config YAFFS_FS
tristate "YAFFS2 file system support"
default n
- depends on MTD
+ depends on MTD_BLOCK
select YAFFS_YAFFS1
select YAFFS_YAFFS2
help
format that you need to continue to support. New data written
also uses the older-style format. Note: Use of this option
generally requires that MTD's oob layout be adjusted to use the
- older-style format. See notes on tags formats and MTD versions.
+ older-style format. See notes on tags formats and MTD versions
+ in yaffs_mtdif1.c.
If unsure, say N.
If unsure, say N.
-config YAFFS_CHECKPOINT_RESERVED_BLOCKS
- int "Reserved blocks for checkpointing"
- depends on YAFFS_YAFFS2
- default 10
- help
- Give the number of Blocks to reserve for checkpointing.
- Checkpointing saves the state at unmount so that mounting is
- much faster as a scan of all the flash to regenerate this state
- is not needed. These Blocks are reserved per partition, so if
- you have very small partitions the default (10) may be a mess
- for you. You can set this value to 0, but that does not mean
- checkpointing is disabled at all. There only won't be any
- specially reserved blocks for checkpointing, so if there is
- enough free space on the filesystem, it will be used for
- checkpointing.
-
- If unsure, leave at default (10), but don't wonder if there are
- always 2MB used on your large page device partition (10 x 2k
- pagesize). When using small partitions or when being very small
- on space, you probably want to set this to zero.
config YAFFS_DISABLE_WIDE_TNODES
bool "Turn off wide tnodes"
obj-$(CONFIG_YAFFS_FS) += yaffs.o
yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o
-yaffs-y += yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
+yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o
-yaffs-y += yaffs_mtdif1.o yaffs_packedtags1.o
-yaffs-y += yaffs_mtdif.o yaffs_mtdif2.o
+yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o
--- /dev/null
+The yaffs2 source has been fetched from the yaffs2 CVS tree.
+
+URL: cvs.aleph1.co.uk
+Version: 2009-09-24
*/
/*
- * This file is just holds extra declarations used during development.
- * Most of these are from kernel includes placed here so we can use them in
- * applications.
+ * This file is just holds extra declarations of macros that would normally
+ * be providesd in the Linux kernel. These macros have been written from
+ * scratch but are functionally equivalent to the Linux ones.
*
*/
#ifndef __EXTRAS_H__
#define __EXTRAS_H__
-#if defined WIN32
-#define __inline__ __inline
-#define new newHack
-#endif
-
-#if !(defined __KERNEL__) || (defined WIN32)
-/* User space defines */
+#if !(defined __KERNEL__)
+/* Definition of types */
typedef unsigned char __u8;
typedef unsigned short __u16;
typedef unsigned __u32;
+#endif
+
/*
- * Simple doubly linked list implementation.
- *
- * Some of the internal functions ("__xxx") are useful when
- * manipulating whole lists rather than single entries, as
- * sometimes we already know the next/prev entries and we can
- * generate better code by using them directly rather than
- * using the generic single-entry routines.
+ * This is a simple doubly linked list implementation that matches the
+ * way the Linux kernel doubly linked list implementation works.
*/
-#define prefetch(x) 1
-
-struct list_head {
- struct list_head *next, *prev;
+struct ylist_head {
+ struct ylist_head *next; /* next in chain */
+ struct ylist_head *prev; /* previous in chain */
};
-#define LIST_HEAD_INIT(name) { &(name), &(name) }
-#define LIST_HEAD(name) \
- struct list_head name = LIST_HEAD_INIT(name)
+/* Initialise a static list */
+#define YLIST_HEAD(name) \
+struct ylist_head name = { &(name), &(name)}
+
-#define INIT_LIST_HEAD(ptr) do { \
- (ptr)->next = (ptr); (ptr)->prev = (ptr); \
+
+/* Initialise a list head to an empty list */
+#define YINIT_LIST_HEAD(p) \
+do { \
+ (p)->next = (p);\
+ (p)->prev = (p); \
} while (0)
-/*
- * Insert a new entry between two known consecutive entries.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static __inline__ void __list_add(struct list_head *new,
- struct list_head *prev,
- struct list_head *next)
-{
- next->prev = new;
- new->next = next;
- new->prev = prev;
- prev->next = new;
-}
-/**
- * list_add - add a new entry
- * @new: new entry to be added
- * @head: list head to add it after
- *
- * Insert a new entry after the specified head.
- * This is good for implementing stacks.
- */
-static __inline__ void list_add(struct list_head *new, struct list_head *head)
+/* Add an element to a list */
+static __inline__ void ylist_add(struct ylist_head *newEntry,
+ struct ylist_head *list)
{
- __list_add(new, head, head->next);
-}
+ struct ylist_head *listNext = list->next;
+
+ list->next = newEntry;
+ newEntry->prev = list;
+ newEntry->next = listNext;
+ listNext->prev = newEntry;
-/**
- * list_add_tail - add a new entry
- * @new: new entry to be added
- * @head: list head to add it before
- *
- * Insert a new entry before the specified head.
- * This is useful for implementing queues.
- */
-static __inline__ void list_add_tail(struct list_head *new,
- struct list_head *head)
-{
- __list_add(new, head->prev, head);
}
-/*
- * Delete a list entry by making the prev/next entries
- * point to each other.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static __inline__ void __list_del(struct list_head *prev,
- struct list_head *next)
+static __inline__ void ylist_add_tail(struct ylist_head *newEntry,
+ struct ylist_head *list)
{
- next->prev = prev;
- prev->next = next;
+ struct ylist_head *listPrev = list->prev;
+
+ list->prev = newEntry;
+ newEntry->next = list;
+ newEntry->prev = listPrev;
+ listPrev->next = newEntry;
+
}
-/**
- * list_del - deletes entry from list.
- * @entry: the element to delete from the list.
- * Note: list_empty on entry does not return true after this, the entry is
- * in an undefined state.
- */
-static __inline__ void list_del(struct list_head *entry)
+
+/* Take an element out of its current list, with or without
+ * reinitialising the links.of the entry*/
+static __inline__ void ylist_del(struct ylist_head *entry)
{
- __list_del(entry->prev, entry->next);
+ struct ylist_head *listNext = entry->next;
+ struct ylist_head *listPrev = entry->prev;
+
+ listNext->prev = listPrev;
+ listPrev->next = listNext;
+
}
-/**
- * list_del_init - deletes entry from list and reinitialize it.
- * @entry: the element to delete from the list.
- */
-static __inline__ void list_del_init(struct list_head *entry)
+static __inline__ void ylist_del_init(struct ylist_head *entry)
{
- __list_del(entry->prev, entry->next);
- INIT_LIST_HEAD(entry);
+ ylist_del(entry);
+ entry->next = entry->prev = entry;
}
-/**
- * list_empty - tests whether a list is empty
- * @head: the list to test.
- */
-static __inline__ int list_empty(struct list_head *head)
+
+/* Test if the list is empty */
+static __inline__ int ylist_empty(struct ylist_head *entry)
{
- return head->next == head;
+ return (entry->next == entry);
}
-/**
- * list_splice - join two lists
- * @list: the new list to add.
- * @head: the place to add it in the first list.
+
+/* ylist_entry takes a pointer to a list entry and offsets it to that
+ * we can find a pointer to the object it is embedded in.
*/
-static __inline__ void list_splice(struct list_head *list,
- struct list_head *head)
-{
- struct list_head *first = list->next;
- if (first != list) {
- struct list_head *last = list->prev;
- struct list_head *at = head->next;
- first->prev = head;
- head->next = first;
+#define ylist_entry(entry, type, member) \
+ ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member)))
- last->next = at;
- at->prev = last;
- }
-}
-/**
- * list_entry - get the struct for this entry
- * @ptr: the &struct list_head pointer.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_struct within the struct.
+/* ylist_for_each and list_for_each_safe iterate over lists.
+ * ylist_for_each_safe uses temporary storage to make the list delete safe
*/
-#define list_entry(ptr, type, member) \
- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
-/**
- * list_for_each - iterate over a list
- * @pos: the &struct list_head to use as a loop counter.
- * @head: the head for your list.
- */
-#define list_for_each(pos, head) \
- for (pos = (head)->next, prefetch(pos->next); pos != (head); \
- pos = pos->next, prefetch(pos->next))
-
-/**
- * list_for_each_safe - iterate over a list safe against removal
- * of list entry
- * @pos: the &struct list_head to use as a loop counter.
- * @n: another &struct list_head to use as temporary storage
- * @head: the head for your list.
- */
-#define list_for_each_safe(pos, n, head) \
- for (pos = (head)->next, n = pos->next; pos != (head); \
- pos = n, n = pos->next)
+#define ylist_for_each(itervar, list) \
+ for (itervar = (list)->next; itervar != (list); itervar = itervar->next)
+
+#define ylist_for_each_safe(itervar, saveVar, list) \
+ for (itervar = (list)->next, saveVar = (list)->next->next; \
+ itervar != (list); itervar = saveVar, saveVar = saveVar->next)
+
+
+#if !(defined __KERNEL__)
+
+
+#ifndef WIN32
+#include <sys/stat.h>
+#endif
+
+
+#ifdef CONFIG_YAFFS_PROVIDE_DEFS
+/* File types */
+
-/*
- * File types
- */
#define DT_UNKNOWN 0
#define DT_FIFO 1
#define DT_CHR 2
#define DT_SOCK 12
#define DT_WHT 14
+
#ifndef WIN32
#include <sys/stat.h>
#endif
#define ATTR_ATIME 16
#define ATTR_MTIME 32
#define ATTR_CTIME 64
-#define ATTR_ATIME_SET 128
-#define ATTR_MTIME_SET 256
-#define ATTR_FORCE 512 /* Not a change, but a change it */
-#define ATTR_ATTR_FLAG 1024
struct iattr {
unsigned int ia_valid;
unsigned int ia_attr_flags;
};
-#define KERN_DEBUG
+#endif
#else
-#ifndef WIN32
#include <linux/types.h>
-#include <linux/list.h>
#include <linux/fs.h>
#include <linux/stat.h>
-#endif
#endif
-#if defined WIN32
-#undef new
-#endif
#endif
/* Default: Not selected */
/* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
-//#define CONFIG_YAFFS_DOES_ECC
+/* #define CONFIG_YAFFS_DOES_ECC */
/* Default: Not selected */
/* Meaning: ECC byte order is 'wrong'. Only meaningful if */
/* CONFIG_YAFFS_DOES_ECC is set */
-//#define CONFIG_YAFFS_ECC_WRONG_ORDER
+/* #define CONFIG_YAFFS_ECC_WRONG_ORDER */
/* Default: Selected */
/* Meaning: Disables testing whether chunks are erased before writing to them*/
older-style format.
Note: Use of this option generally requires that MTD's oob layout be
adjusted to use the older-style format. See notes on tags formats and
-MTD versions.
+MTD versions in yaffs_mtdif1.c.
*/
/* Default: Not selected */
/* Meaning: Use older-style on-NAND data format with pageStatus byte */
-#define CONFIG_YAFFS_9BYTE_TAGS
+/* #define CONFIG_YAFFS_9BYTE_TAGS */
#endif /* YAFFS_OUT_OF_TREE */
*/
const char *yaffs_checkptrw_c_version =
- "$Id: yaffs_checkptrw.c,v 1.14 2007-05-15 20:07:40 charles Exp $";
+ "$Id: yaffs_checkptrw.c,v 1.18 2009-03-06 17:20:49 wookey Exp $";
#include "yaffs_checkptrw.h"
-
+#include "yaffs_getblockinfo.h"
static int yaffs_CheckpointSpaceOk(yaffs_Device *dev)
{
-
int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
T(YAFFS_TRACE_CHECKPOINT,
(TSTR("checkpt blocks available = %d" TENDSTR),
blocksAvailable));
-
return (blocksAvailable <= 0) ? 0 : 1;
}
static int yaffs_CheckpointErase(yaffs_Device *dev)
{
-
int i;
-
- if(!dev->eraseBlockInNAND)
+ if (!dev->eraseBlockInNAND)
return 0;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR),
- dev->internalStartBlock,dev->internalEndBlock));
-
- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
- if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("erasing checkpt block %d"TENDSTR),i));
- if(dev->eraseBlockInNAND(dev,i- dev->blockOffset /* realign */)){
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR),
+ dev->internalStartBlock, dev->internalEndBlock));
+
+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
+ if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i));
+ if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) {
bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
dev->nErasedBlocks++;
dev->nFreeChunks += dev->nChunksPerBlock;
- }
- else {
- dev->markNANDBlockBad(dev,i);
+ } else {
+ dev->markNANDBlockBad(dev, i);
bi->blockState = YAFFS_BLOCK_STATE_DEAD;
}
}
int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
T(YAFFS_TRACE_CHECKPOINT,
(TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR),
- dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock));
+ dev->nErasedBlocks, dev->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock));
- if(dev->checkpointNextBlock >= 0 &&
- dev->checkpointNextBlock <= dev->internalEndBlock &&
- blocksAvailable > 0){
+ if (dev->checkpointNextBlock >= 0 &&
+ dev->checkpointNextBlock <= dev->internalEndBlock &&
+ blocksAvailable > 0) {
- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){
+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) {
dev->checkpointNextBlock = i + 1;
dev->checkpointCurrentBlock = i;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("allocating checkpt block %d"TENDSTR),i));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i));
return;
}
}
}
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR)));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR)));
dev->checkpointNextBlock = -1;
dev->checkpointCurrentBlock = -1;
int i;
yaffs_ExtendedTags tags;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
dev->blocksInCheckpoint, dev->checkpointNextBlock));
- if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
+ if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
int chunk = i * dev->nChunksPerBlock;
int realignedChunk = chunk - dev->chunkOffset;
- dev->readChunkWithTagsFromNAND(dev,realignedChunk,NULL,&tags);
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
- i, tags.objectId,tags.sequenceNumber,tags.eccResult));
+ dev->readChunkWithTagsFromNAND(dev, realignedChunk,
+ NULL, &tags);
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
+ i, tags.objectId, tags.sequenceNumber, tags.eccResult));
- if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){
+ if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
/* Right kind of block */
dev->checkpointNextBlock = tags.objectId;
dev->checkpointCurrentBlock = i;
dev->checkpointBlockList[dev->blocksInCheckpoint] = i;
dev->blocksInCheckpoint++;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found checkpt block %d"TENDSTR),i));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i));
return;
}
}
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found no more checkpt blocks"TENDSTR)));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR)));
dev->checkpointNextBlock = -1;
dev->checkpointCurrentBlock = -1;
/* Got the functions we need? */
if (!dev->writeChunkWithTagsToNAND ||
- !dev->readChunkWithTagsFromNAND ||
- !dev->eraseBlockInNAND ||
- !dev->markNANDBlockBad)
+ !dev->readChunkWithTagsFromNAND ||
+ !dev->eraseBlockInNAND ||
+ !dev->markNANDBlockBad)
return 0;
- if(forWriting && !yaffs_CheckpointSpaceOk(dev))
+ if (forWriting && !yaffs_CheckpointSpaceOk(dev))
return 0;
- if(!dev->checkpointBuffer)
- dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk);
- if(!dev->checkpointBuffer)
+ if (!dev->checkpointBuffer)
+ dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk);
+ if (!dev->checkpointBuffer)
return 0;
dev->checkpointNextBlock = dev->internalStartBlock;
/* Erase all the blocks in the checkpoint area */
- if(forWriting){
- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
+ if (forWriting) {
+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
dev->checkpointByteOffset = 0;
return yaffs_CheckpointErase(dev);
-
-
} else {
int i;
/* Set to a value that will kick off a read */
dev->blocksInCheckpoint = 0;
dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2;
dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks);
- for(i = 0; i < dev->checkpointMaxBlocks; i++)
+ for (i = 0; i < dev->checkpointMaxBlocks; i++)
dev->checkpointBlockList[i] = -1;
}
static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev)
{
-
int chunk;
int realignedChunk;
yaffs_ExtendedTags tags;
- if(dev->checkpointCurrentBlock < 0){
+ if (dev->checkpointCurrentBlock < 0) {
yaffs_CheckpointFindNextErasedBlock(dev);
dev->checkpointCurrentChunk = 0;
}
- if(dev->checkpointCurrentBlock < 0)
+ if (dev->checkpointCurrentBlock < 0)
return 0;
tags.chunkDeleted = 0;
tags.chunkId = dev->checkpointPageSequence + 1;
tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA;
tags.byteCount = dev->nDataBytesPerChunk;
- if(dev->checkpointCurrentChunk == 0){
+ if (dev->checkpointCurrentChunk == 0) {
/* First chunk we write for the block? Set block state to
checkpoint */
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointCurrentBlock);
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock);
bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
dev->blocksInCheckpoint++;
}
chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
+ chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId));
realignedChunk = chunk - dev->chunkOffset;
- dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags);
+ dev->writeChunkWithTagsToNAND(dev, realignedChunk,
+ dev->checkpointBuffer, &tags);
dev->checkpointByteOffset = 0;
dev->checkpointPageSequence++;
dev->checkpointCurrentChunk++;
- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){
+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) {
dev->checkpointCurrentChunk = 0;
dev->checkpointCurrentBlock = -1;
}
- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
return 1;
}
-int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes)
+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes)
{
- int i=0;
+ int i = 0;
int ok = 1;
- if(!dev->checkpointBuffer)
+ if (!dev->checkpointBuffer)
return 0;
- if(!dev->checkpointOpenForWrite)
+ if (!dev->checkpointOpenForWrite)
return -1;
- while(i < nBytes && ok) {
-
-
-
- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ;
+ while (i < nBytes && ok) {
+ dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes;
dev->checkpointSum += *dataBytes;
dev->checkpointXor ^= *dataBytes;
dev->checkpointByteCount++;
- if(dev->checkpointByteOffset < 0 ||
+ if (dev->checkpointByteOffset < 0 ||
dev->checkpointByteOffset >= dev->nDataBytesPerChunk)
ok = yaffs_CheckpointFlushBuffer(dev);
-
}
- return i;
+ return i;
}
int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes)
{
- int i=0;
+ int i = 0;
int ok = 1;
yaffs_ExtendedTags tags;
__u8 *dataBytes = (__u8 *)data;
- if(!dev->checkpointBuffer)
+ if (!dev->checkpointBuffer)
return 0;
- if(dev->checkpointOpenForWrite)
+ if (dev->checkpointOpenForWrite)
return -1;
- while(i < nBytes && ok) {
+ while (i < nBytes && ok) {
- if(dev->checkpointByteOffset < 0 ||
- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
+ if (dev->checkpointByteOffset < 0 ||
+ dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
- if(dev->checkpointCurrentBlock < 0){
+ if (dev->checkpointCurrentBlock < 0) {
yaffs_CheckpointFindNextCheckpointBlock(dev);
dev->checkpointCurrentChunk = 0;
}
- if(dev->checkpointCurrentBlock < 0)
+ if (dev->checkpointCurrentBlock < 0)
ok = 0;
else {
-
- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock +
- dev->checkpointCurrentChunk;
+ chunk = dev->checkpointCurrentBlock *
+ dev->nChunksPerBlock +
+ dev->checkpointCurrentChunk;
realignedChunk = chunk - dev->chunkOffset;
- /* read in the next chunk */
- /* printf("read checkpoint page %d\n",dev->checkpointPage); */
- dev->readChunkWithTagsFromNAND(dev, realignedChunk,
- dev->checkpointBuffer,
- &tags);
+ /* read in the next chunk */
+ /* printf("read checkpoint page %d\n",dev->checkpointPage); */
+ dev->readChunkWithTagsFromNAND(dev,
+ realignedChunk,
+ dev->checkpointBuffer,
+ &tags);
- if(tags.chunkId != (dev->checkpointPageSequence + 1) ||
- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
- ok = 0;
+ if (tags.chunkId != (dev->checkpointPageSequence + 1) ||
+ tags.eccResult > YAFFS_ECC_RESULT_FIXED ||
+ tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
+ ok = 0;
dev->checkpointByteOffset = 0;
dev->checkpointPageSequence++;
dev->checkpointCurrentChunk++;
- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
dev->checkpointCurrentBlock = -1;
}
}
- if(ok){
+ if (ok) {
*dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset];
dev->checkpointSum += *dataBytes;
dev->checkpointXor ^= *dataBytes;
int yaffs_CheckpointClose(yaffs_Device *dev)
{
- if(dev->checkpointOpenForWrite){
- if(dev->checkpointByteOffset != 0)
+ if (dev->checkpointOpenForWrite) {
+ if (dev->checkpointByteOffset != 0)
yaffs_CheckpointFlushBuffer(dev);
} else {
int i;
- for(i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++){
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointBlockList[i]);
- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
+ for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) {
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointBlockList[i]);
+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
else {
- // Todo this looks odd...
+ /* Todo this looks odd... */
}
}
YFREE(dev->checkpointBlockList);
dev->nErasedBlocks -= dev->blocksInCheckpoint;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR),
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR),
dev->checkpointByteCount));
- if(dev->checkpointBuffer){
+ if (dev->checkpointBuffer) {
/* free the buffer */
YFREE(dev->checkpointBuffer);
dev->checkpointBuffer = NULL;
return 1;
- }
- else
+ } else
return 0;
-
}
int yaffs_CheckpointInvalidateStream(yaffs_Device *dev)
{
/* Erase the first checksum block */
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint invalidate"TENDSTR)));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate"TENDSTR)));
- if(!yaffs_CheckpointSpaceOk(dev))
+ if (!yaffs_CheckpointSpaceOk(dev))
return 0;
return yaffs_CheckpointErase(dev);
int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting);
-int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes);
+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes);
-int yaffs_CheckpointRead(yaffs_Device *dev,void *data, int nBytes);
+int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes);
int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum);
*/
const char *yaffs_ecc_c_version =
- "$Id: yaffs_ecc.c,v 1.9 2007-02-14 01:09:06 wookey Exp $";
+ "$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $";
#include "yportenv.h"
b = column_parity_table[*data++];
col_parity ^= b;
- if (b & 0x01) // odd number of bits in the byte
- {
+ if (b & 0x01) { /* odd number of bits in the byte */
line_parity ^= i;
line_parity_prime ^= ~i;
}
-
}
ecc[2] = (~col_parity) | 0x03;
ecc[0] = ~t;
#ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
- // Swap the bytes into the wrong order
+ /* Swap the bytes into the wrong order */
t = ecc[0];
ecc[0] = ecc[1];
ecc[1] = t;
unsigned bit;
#ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
- // swap the bytes to correct for the wrong order
+ /* swap the bytes to correct for the wrong order */
unsigned char t;
t = d0;
* ECCxxxOther does ECC calcs on arbitrary n bytes of data
*/
void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
- yaffs_ECCOther * eccOther)
+ yaffs_ECCOther *eccOther)
{
unsigned int i;
}
int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
- yaffs_ECCOther * read_ecc,
- const yaffs_ECCOther * test_ecc)
+ yaffs_ECCOther *read_ecc,
+ const yaffs_ECCOther *test_ecc)
{
unsigned char cDelta; /* column parity delta */
unsigned lDelta; /* line parity delta */
return 0; /* no error */
if (lDelta == ~lDeltaPrime &&
- (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15))
- {
+ (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) {
/* Single bit (recoverable) error in data */
bit = 0;
if (cDelta & 0x02)
bit |= 0x01;
- if(lDelta >= nBytes)
+ if (lDelta >= nBytes)
return -1;
data[lDelta] ^= (1 << bit);
}
if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) +
- yaffs_CountBits(cDelta)) == 1) {
+ yaffs_CountBits(cDelta)) == 1) {
/* Reccoverable error in ecc */
*read_ecc = *test_ecc;
/* Unrecoverable error */
return -1;
-
}
-
* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
*/
- /*
- * This code implements the ECC algorithm used in SmartMedia.
- *
- * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
- * The two unused bit are set to 1.
- * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
- * blocks are used on a 512-byte NAND page.
- *
- */
+/*
+ * This code implements the ECC algorithm used in SmartMedia.
+ *
+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
+ * The two unused bit are set to 1.
+ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
+ * blocks are used on a 512-byte NAND page.
+ *
+ */
#ifndef __YAFFS_ECC_H__
#define __YAFFS_ECC_H__
void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc);
int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
- const unsigned char *test_ecc);
+ const unsigned char *test_ecc);
void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
- yaffs_ECCOther * ecc);
+ yaffs_ECCOther *ecc);
int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
- yaffs_ECCOther * read_ecc,
- const yaffs_ECCOther * test_ecc);
+ yaffs_ECCOther *read_ecc,
+ const yaffs_ECCOther *test_ecc);
#endif
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2009 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
*/
const char *yaffs_fs_c_version =
- "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $";
+ "$Id: yaffs_fs.c,v 1.79 2009-03-17 01:12:00 wookey Exp $";
extern const char *yaffs_guts_c_version;
#include <linux/version.h>
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
#include <linux/config.h>
#endif
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
-#include <linux/list.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/ctype.h>
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#include "asm/div64.h"
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
#include <linux/statfs.h> /* Added NCB 15-8-2003 */
-#include <asm/statfs.h>
+#include <linux/statfs.h>
#define UnlockPage(p) unlock_page(p)
#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags)
#define BDEVNAME_SIZE 0
#define yaffs_devname(sb, buf) kdevname(sb->s_dev)
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0))
/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */
#define __user
#endif
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26))
+#define YPROC_ROOT (&proc_root)
+#else
+#define YPROC_ROOT NULL
+#endif
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
#define WRITE_SIZE_STR "writesize"
-#define WRITE_SIZE(mtd) (mtd)->writesize
+#define WRITE_SIZE(mtd) ((mtd)->writesize)
#else
#define WRITE_SIZE_STR "oobblock"
-#define WRITE_SIZE(mtd) (mtd)->oobblock
+#define WRITE_SIZE(mtd) ((mtd)->oobblock)
+#endif
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27))
+#define YAFFS_USE_WRITE_BEGIN_END 1
+#else
+#define YAFFS_USE_WRITE_BEGIN_END 0
+#endif
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28))
+static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size)
+{
+ uint64_t result = partition_size;
+ do_div(result, block_size);
+ return (uint32_t)result;
+}
+#else
+#define YCALCBLOCKS(s, b) ((s)/(b))
#endif
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include "yportenv.h"
#include "yaffs_guts.h"
unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS;
unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS;
+unsigned int yaffs_auto_checkpoint = 1;
/* Module Parameters */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-module_param(yaffs_traceMask,uint,0644);
-module_param(yaffs_wr_attempts,uint,0644);
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
+module_param(yaffs_traceMask, uint, 0644);
+module_param(yaffs_wr_attempts, uint, 0644);
+module_param(yaffs_auto_checkpoint, uint, 0644);
#else
-MODULE_PARM(yaffs_traceMask,"i");
-MODULE_PARM(yaffs_wr_attempts,"i");
+MODULE_PARM(yaffs_traceMask, "i");
+MODULE_PARM(yaffs_wr_attempts, "i");
+MODULE_PARM(yaffs_auto_checkpoint, "i");
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
+/* use iget and read_inode */
+#define Y_IGET(sb, inum) iget((sb), (inum))
+static void yaffs_read_inode(struct inode *inode);
+
+#else
+/* Call local equivalent */
+#define YAFFS_USE_OWN_IGET
+#define Y_IGET(sb, inum) yaffs_iget((sb), (inum))
+
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino);
#endif
/*#define T(x) printk x */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
-#define yaffs_InodeToObjectLV(iptr) (iptr)->i_private
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
+#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private)
#else
-#define yaffs_InodeToObjectLV(iptr) (iptr)->u.generic_ip
+#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip)
#endif
#define yaffs_InodeToObject(iptr) ((yaffs_Object *)(yaffs_InodeToObjectLV(iptr)))
#define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode)
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info)
#else
#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp)
static void yaffs_put_super(struct super_block *sb);
static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
- loff_t * pos);
+ loff_t *pos);
+static ssize_t yaffs_hold_space(struct file *f);
+static void yaffs_release_space(struct file *f);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_file_flush(struct file *file, fl_owner_t id);
#else
static int yaffs_file_flush(struct file *file);
#endif
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
- int datasync);
+ int datasync);
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
struct nameidata *n);
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- struct nameidata *n);
+ struct nameidata *n);
#else
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry);
#endif
static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- struct dentry *dentry);
+ struct dentry *dentry);
static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname);
+ const char *symname);
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- dev_t dev);
+ dev_t dev);
#else
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- int dev);
+ int dev);
#endif
static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry);
static int yaffs_setattr(struct dentry *dentry, struct iattr *attr);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_sync_fs(struct super_block *sb, int wait);
static void yaffs_write_super(struct super_block *sb);
#else
static int yaffs_write_super(struct super_block *sb);
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf);
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf);
#else
static int yaffs_statfs(struct super_block *sb, struct statfs *buf);
#endif
-static void yaffs_read_inode(struct inode *inode);
+#ifdef YAFFS_HAS_PUT_INODE
static void yaffs_put_inode(struct inode *inode);
+#endif
+
static void yaffs_delete_inode(struct inode *);
static void yaffs_clear_inode(struct inode *);
static int yaffs_readpage(struct file *file, struct page *page);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_writepage(struct page *page, struct writeback_control *wbc);
#else
static int yaffs_writepage(struct page *page);
#endif
+
+
+#if (YAFFS_USE_WRITE_BEGIN_END != 0)
+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata);
+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *pg, void *fsdadata);
+#else
static int yaffs_prepare_write(struct file *f, struct page *pg,
- unsigned offset, unsigned to);
+ unsigned offset, unsigned to);
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
- unsigned to);
+ unsigned to);
-static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
- int buflen);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
+#endif
+
+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
+ int buflen);
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
#else
static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
static struct address_space_operations yaffs_file_address_operations = {
.readpage = yaffs_readpage,
.writepage = yaffs_writepage,
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
+ .write_begin = yaffs_write_begin,
+ .write_end = yaffs_write_end,
+#else
.prepare_write = yaffs_prepare_write,
.commit_write = yaffs_commit_write,
+#endif
};
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
-static struct file_operations yaffs_file_operations = {
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
+static const struct file_operations yaffs_file_operations = {
.read = do_sync_read,
.write = do_sync_write,
.aio_read = generic_file_aio_read,
.fsync = yaffs_sync_object,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
+ .llseek = generic_file_llseek,
};
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
-static struct file_operations yaffs_file_operations = {
+static const struct file_operations yaffs_file_operations = {
.read = do_sync_read,
.write = do_sync_write,
.aio_read = generic_file_aio_read,
#else
-static struct file_operations yaffs_file_operations = {
+static const struct file_operations yaffs_file_operations = {
.read = generic_file_read,
.write = generic_file_write,
.mmap = generic_file_mmap,
.flush = yaffs_file_flush,
.fsync = yaffs_sync_object,
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
.sendfile = generic_file_sendfile,
#endif
};
#endif
-static struct inode_operations yaffs_file_inode_operations = {
+static const struct inode_operations yaffs_file_inode_operations = {
.setattr = yaffs_setattr,
};
-static struct inode_operations yaffs_symlink_inode_operations = {
+static const struct inode_operations yaffs_symlink_inode_operations = {
.readlink = yaffs_readlink,
.follow_link = yaffs_follow_link,
.setattr = yaffs_setattr,
};
-static struct inode_operations yaffs_dir_inode_operations = {
+static const struct inode_operations yaffs_dir_inode_operations = {
.create = yaffs_create,
.lookup = yaffs_lookup,
.link = yaffs_link,
.setattr = yaffs_setattr,
};
-static struct file_operations yaffs_dir_operations = {
+static const struct file_operations yaffs_dir_operations = {
.read = generic_read_dir,
.readdir = yaffs_readdir,
.fsync = yaffs_sync_object,
};
-static struct super_operations yaffs_super_ops = {
+static const struct super_operations yaffs_super_ops = {
.statfs = yaffs_statfs,
+
+#ifndef YAFFS_USE_OWN_IGET
.read_inode = yaffs_read_inode,
+#endif
+#ifdef YAFFS_HAS_PUT_INODE
.put_inode = yaffs_put_inode,
+#endif
.put_super = yaffs_put_super,
.delete_inode = yaffs_delete_inode,
.clear_inode = yaffs_clear_inode,
.write_super = yaffs_write_super,
};
-static void yaffs_GrossLock(yaffs_Device * dev)
+static void yaffs_GrossLock(yaffs_Device *dev)
{
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs locking\n"));
-
+ T(YAFFS_TRACE_OS, ("yaffs locking %p\n", current));
down(&dev->grossLock);
+ T(YAFFS_TRACE_OS, ("yaffs locked %p\n", current));
}
-static void yaffs_GrossUnlock(yaffs_Device * dev)
+static void yaffs_GrossUnlock(yaffs_Device *dev)
{
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs unlocking\n"));
+ T(YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current));
up(&dev->grossLock);
-
}
-static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
- int buflen)
+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
+ int buflen)
{
unsigned char *alias;
int ret;
return ret;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
#else
static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
yaffs_GrossUnlock(dev);
- if (!alias)
- {
+ if (!alias) {
ret = -ENOMEM;
goto out;
- }
+ }
ret = vfs_follow_link(nd, alias);
kfree(alias);
out:
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
- return ERR_PTR (ret);
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
+ return ERR_PTR(ret);
#else
return ret;
#endif
}
struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
- yaffs_Object * obj);
+ yaffs_Object *obj);
/*
* Lookup is used to find objects in the fs
*/
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
- struct nameidata *n)
+ struct nameidata *n)
#else
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
#endif
yaffs_GrossLock(dev);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_lookup for %d:%s\n",
- yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
+ ("yaffs_lookup for %d:%s\n",
+ yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
- obj =
- yaffs_FindObjectByName(yaffs_InodeToObject(dir),
- dentry->d_name.name);
+ obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir),
+ dentry->d_name.name);
obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */
if (obj) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_lookup found %d\n", obj->objectId));
+ ("yaffs_lookup found %d\n", obj->objectId));
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
if (inode) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_loookup dentry \n"));
+ ("yaffs_loookup dentry \n"));
/* #if 0 asserted by NCB for 2.5/6 compatability - falls through to
* d_add even if NULL inode */
#if 0
}
} else {
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_lookup not found\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_lookup not found\n"));
}
d_add(dentry, inode);
return NULL;
- /* return (ERR_PTR(-EIO)); */
-
}
+
+#ifdef YAFFS_HAS_PUT_INODE
+
/* For now put inode is just for debugging
* Put inode is called when the inode **structure** is put.
*/
static void yaffs_put_inode(struct inode *inode)
{
T(YAFFS_TRACE_OS,
- ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
- atomic_read(&inode->i_count)));
+ ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
+ atomic_read(&inode->i_count)));
}
+#endif
/* clear is called to tell the fs to release any per-inode data it holds */
static void yaffs_clear_inode(struct inode *inode)
obj = yaffs_InodeToObject(inode);
T(YAFFS_TRACE_OS,
- ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
+ atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object"));
if (obj) {
dev = obj->myDev;
yaffs_Device *dev;
T(YAFFS_TRACE_OS,
- ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
- atomic_read(&inode->i_count),
- obj ? "object exists" : "null object"));
+ ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
+ atomic_read(&inode->i_count),
+ obj ? "object exists" : "null object"));
if (obj) {
dev = obj->myDev;
yaffs_GrossLock(dev);
- yaffs_DeleteFile(obj);
+ yaffs_DeleteObject(obj);
yaffs_GrossUnlock(dev);
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
- truncate_inode_pages (&inode->i_data, 0);
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
+ truncate_inode_pages(&inode->i_data, 0);
#endif
clear_inode(inode);
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_file_flush(struct file *file, fl_owner_t id)
#else
static int yaffs_file_flush(struct file *file)
yaffs_Device *dev = obj->myDev;
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_file_flush object %d (%s)\n", obj->objectId,
- obj->dirty ? "dirty" : "clean"));
+ ("yaffs_file_flush object %d (%s)\n", obj->objectId,
+ obj->dirty ? "dirty" : "clean"));
yaffs_GrossLock(dev);
yaffs_Device *dev;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage at %08x, size %08x\n",
- (unsigned)(pg->index << PAGE_CACHE_SHIFT),
- (unsigned)PAGE_CACHE_SIZE));
+ T(YAFFS_TRACE_OS, ("yaffs_readpage at %08x, size %08x\n",
+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
+ (unsigned)PAGE_CACHE_SIZE));
obj = yaffs_DentryToObject(f->f_dentry);
dev = obj->myDev;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
BUG_ON(!PageLocked(pg));
#else
if (!PageLocked(pg))
yaffs_GrossLock(dev);
- ret =
- yaffs_ReadDataFromFile(obj, pg_buf, pg->index << PAGE_CACHE_SHIFT,
- PAGE_CACHE_SIZE);
+ ret = yaffs_ReadDataFromFile(obj, pg_buf,
+ pg->index << PAGE_CACHE_SHIFT,
+ PAGE_CACHE_SIZE);
yaffs_GrossUnlock(dev);
flush_dcache_page(pg);
kunmap(pg);
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage done\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_readpage done\n"));
return ret;
}
/* writepage inspired by/stolen from smbfs */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_writepage(struct page *page, struct writeback_control *wbc)
#else
static int yaffs_writepage(struct page *page)
if (offset > inode->i_size) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG
- "yaffs_writepage at %08x, inode size = %08x!!!\n",
- (unsigned)(page->index << PAGE_CACHE_SHIFT),
- (unsigned)inode->i_size));
+ ("yaffs_writepage at %08x, inode size = %08x!!!\n",
+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
+ (unsigned)inode->i_size));
T(YAFFS_TRACE_OS,
- (KERN_DEBUG " -> don't care!!\n"));
+ (" -> don't care!!\n"));
unlock_page(page);
return 0;
}
end_index = inode->i_size >> PAGE_CACHE_SHIFT;
/* easy case */
- if (page->index < end_index) {
+ if (page->index < end_index)
nBytes = PAGE_CACHE_SIZE;
- } else {
+ else
nBytes = inode->i_size & (PAGE_CACHE_SIZE - 1);
- }
get_page(page);
yaffs_GrossLock(obj->myDev);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_writepage at %08x, size %08x\n",
- (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
+ ("yaffs_writepage at %08x, size %08x\n",
+ (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "writepag0: obj = %05x, ino = %05x\n",
- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
+ ("writepag0: obj = %05x, ino = %05x\n",
+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
- nWritten =
- yaffs_WriteDataToFile(obj, buffer, page->index << PAGE_CACHE_SHIFT,
- nBytes, 0);
+ nWritten = yaffs_WriteDataToFile(obj, buffer,
+ page->index << PAGE_CACHE_SHIFT, nBytes, 0);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "writepag1: obj = %05x, ino = %05x\n",
- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
+ ("writepag1: obj = %05x, ino = %05x\n",
+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
yaffs_GrossUnlock(obj->myDev);
return (nWritten == nBytes) ? 0 : -ENOSPC;
}
+
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
+{
+ struct page *pg = NULL;
+ pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ uint32_t offset = pos & (PAGE_CACHE_SIZE - 1);
+ uint32_t to = offset + len;
+
+ int ret = 0;
+ int space_held = 0;
+
+ T(YAFFS_TRACE_OS, ("start yaffs_write_begin\n"));
+ /* Get a page */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)
+ pg = grab_cache_page_write_begin(mapping, index, flags);
+#else
+ pg = __grab_cache_page(mapping, index);
+#endif
+
+ *pagep = pg;
+ if (!pg) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ /* Get fs space */
+ space_held = yaffs_hold_space(filp);
+
+ if (!space_held) {
+ ret = -ENOSPC;
+ goto out;
+ }
+
+ /* Update page if required */
+
+ if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
+ ret = yaffs_readpage_nolock(filp, pg);
+
+ if (ret)
+ goto out;
+
+ /* Happy path return */
+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin - ok\n"));
+
+ return 0;
+
+out:
+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin fail returning %d\n", ret));
+ if (space_held)
+ yaffs_release_space(filp);
+ if (pg) {
+ unlock_page(pg);
+ page_cache_release(pg);
+ }
+ return ret;
+}
+
+#else
+
static int yaffs_prepare_write(struct file *f, struct page *pg,
- unsigned offset, unsigned to)
+ unsigned offset, unsigned to)
{
+ T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n"));
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_prepair_write\n"));
if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
return yaffs_readpage_nolock(f, pg);
-
return 0;
+}
+#endif
+
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *pg, void *fsdadata)
+{
+ int ret = 0;
+ void *addr, *kva;
+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
+
+ kva = kmap(pg);
+ addr = kva + offset_into_page;
+
+ T(YAFFS_TRACE_OS,
+ ("yaffs_write_end addr %x pos %x nBytes %d\n",
+ (unsigned) addr,
+ (int)pos, copied));
+
+ ret = yaffs_file_write(filp, addr, copied, &pos);
+ if (ret != copied) {
+ T(YAFFS_TRACE_OS,
+ ("yaffs_write_end not same size ret %d copied %d\n",
+ ret, copied));
+ SetPageError(pg);
+ ClearPageUptodate(pg);
+ } else {
+ SetPageUptodate(pg);
+ }
+
+ kunmap(pg);
+
+ yaffs_release_space(filp);
+ unlock_page(pg);
+ page_cache_release(pg);
+ return ret;
}
+#else
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
- unsigned to)
+ unsigned to)
{
+ void *addr, *kva;
- void *addr = page_address(pg) + offset;
loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
int nBytes = to - offset;
int nWritten;
unsigned spos = pos;
- unsigned saddr = (unsigned)addr;
+ unsigned saddr;
+
+ kva = kmap(pg);
+ addr = kva + offset;
+
+ saddr = (unsigned) addr;
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_commit_write addr %x pos %x nBytes %d\n", saddr,
- spos, nBytes));
+ ("yaffs_commit_write addr %x pos %x nBytes %d\n",
+ saddr, spos, nBytes));
nWritten = yaffs_file_write(f, addr, nBytes, &pos);
if (nWritten != nBytes) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG
- "yaffs_commit_write not same size nWritten %d nBytes %d\n",
- nWritten, nBytes));
+ ("yaffs_commit_write not same size nWritten %d nBytes %d\n",
+ nWritten, nBytes));
SetPageError(pg);
ClearPageUptodate(pg);
} else {
SetPageUptodate(pg);
}
+ kunmap(pg);
+
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_commit_write returning %d\n",
- nWritten == nBytes ? 0 : nWritten));
+ ("yaffs_commit_write returning %d\n",
+ nWritten == nBytes ? 0 : nWritten));
return nWritten == nBytes ? 0 : nWritten;
-
}
+#endif
-static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj)
+
+static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj)
{
if (inode && obj) {
/* Check mode against the variant type and attempt to repair if broken. */
- __u32 mode = obj->yst_mode;
- switch( obj->variantType ){
- case YAFFS_OBJECT_TYPE_FILE :
- if( ! S_ISREG(mode) ){
- obj->yst_mode &= ~S_IFMT;
- obj->yst_mode |= S_IFREG;
- }
-
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK :
- if( ! S_ISLNK(mode) ){
- obj->yst_mode &= ~S_IFMT;
- obj->yst_mode |= S_IFLNK;
- }
-
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY :
- if( ! S_ISDIR(mode) ){
- obj->yst_mode &= ~S_IFMT;
- obj->yst_mode |= S_IFDIR;
- }
-
- break;
- case YAFFS_OBJECT_TYPE_UNKNOWN :
- case YAFFS_OBJECT_TYPE_HARDLINK :
- case YAFFS_OBJECT_TYPE_SPECIAL :
- default:
- /* TODO? */
- break;
- }
+ __u32 mode = obj->yst_mode;
+ switch (obj->variantType) {
+ case YAFFS_OBJECT_TYPE_FILE:
+ if (!S_ISREG(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFREG;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
+ if (!S_ISLNK(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFLNK;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
+ if (!S_ISDIR(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFDIR;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ case YAFFS_OBJECT_TYPE_HARDLINK:
+ case YAFFS_OBJECT_TYPE_SPECIAL:
+ default:
+ /* TODO? */
+ break;
+ }
+
+ inode->i_flags |= S_NOATIME;
inode->i_ino = obj->objectId;
inode->i_mode = obj->yst_mode;
inode->i_uid = obj->yst_uid;
inode->i_gid = obj->yst_gid;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
inode->i_blksize = inode->i_sb->s_blocksize;
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
inode->i_rdev = old_decode_dev(obj->yst_rdev);
inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
inode->i_nlink = yaffs_GetObjectLinkCount(obj);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG
- "yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
- inode->i_mode, inode->i_uid, inode->i_gid,
- (int)inode->i_size, atomic_read(&inode->i_count)));
+ ("yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
+ inode->i_mode, inode->i_uid, inode->i_gid,
+ (int)inode->i_size, atomic_read(&inode->i_count)));
switch (obj->yst_mode & S_IFMT) {
default: /* fifo, device or socket */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
init_special_inode(inode, obj->yst_mode,
- old_decode_dev(obj->yst_rdev));
+ old_decode_dev(obj->yst_rdev));
#else
init_special_inode(inode, obj->yst_mode,
- (dev_t) (obj->yst_rdev));
+ (dev_t) (obj->yst_rdev));
#endif
break;
case S_IFREG: /* file */
inode->i_op = &yaffs_file_inode_operations;
inode->i_fop = &yaffs_file_operations;
inode->i_mapping->a_ops =
- &yaffs_file_address_operations;
+ &yaffs_file_address_operations;
break;
case S_IFDIR: /* directory */
inode->i_op = &yaffs_dir_inode_operations;
} else {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_FileInode invalid parameters\n"));
+ ("yaffs_FileInode invalid parameters\n"));
}
}
struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
- yaffs_Object * obj)
+ yaffs_Object *obj)
{
struct inode *inode;
if (!sb) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_get_inode for NULL super_block!!\n"));
+ ("yaffs_get_inode for NULL super_block!!\n"));
return NULL;
}
if (!obj) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_get_inode for NULL object!!\n"));
+ ("yaffs_get_inode for NULL object!!\n"));
return NULL;
}
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_get_inode for object %d\n", obj->objectId));
+ ("yaffs_get_inode for object %d\n", obj->objectId));
- inode = iget(sb, obj->objectId);
+ inode = Y_IGET(sb, obj->objectId);
+ if (IS_ERR(inode))
+ return NULL;
/* NB Side effect: iget calls back to yaffs_read_inode(). */
/* iget also increments the inode's i_count */
}
static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
- loff_t * pos)
+ loff_t *pos)
{
yaffs_Object *obj;
int nWritten, ipos;
inode = f->f_dentry->d_inode;
- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) {
+ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
ipos = inode->i_size;
- } else {
+ else
ipos = *pos;
- }
- if (!obj) {
+ if (!obj)
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_file_write: hey obj is null!\n"));
- } else {
+ ("yaffs_file_write: hey obj is null!\n"));
+ else
T(YAFFS_TRACE_OS,
- (KERN_DEBUG
- "yaffs_file_write about to write writing %d bytes"
- "to object %d at %d\n",
- n, obj->objectId, ipos));
- }
+ ("yaffs_file_write about to write writing %zu bytes"
+ "to object %d at %d\n",
+ n, obj->objectId, ipos));
nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_file_write writing %d bytes, %d written at %d\n",
- n, nWritten, ipos));
+ ("yaffs_file_write writing %zu bytes, %d written at %d\n",
+ n, nWritten, ipos));
+
if (nWritten > 0) {
ipos += nWritten;
*pos = ipos;
inode->i_blocks = (ipos + 511) >> 9;
T(YAFFS_TRACE_OS,
- (KERN_DEBUG
- "yaffs_file_write size updated to %d bytes, "
- "%d blocks\n",
- ipos, (int)(inode->i_blocks)));
+ ("yaffs_file_write size updated to %d bytes, "
+ "%d blocks\n",
+ ipos, (int)(inode->i_blocks)));
}
}
return nWritten == 0 ? -ENOSPC : nWritten;
}
+/* Space holding and freeing is done to ensure we have space available for write_begin/end */
+/* For now we just assume few parallel writes and check against a small number. */
+/* Todo: need to do this with a counter to handle parallel reads better */
+
+static ssize_t yaffs_hold_space(struct file *f)
+{
+ yaffs_Object *obj;
+ yaffs_Device *dev;
+
+ int nFreeChunks;
+
+
+ obj = yaffs_DentryToObject(f->f_dentry);
+
+ dev = obj->myDev;
+
+ yaffs_GrossLock(dev);
+
+ nFreeChunks = yaffs_GetNumberOfFreeChunks(dev);
+
+ yaffs_GrossUnlock(dev);
+
+ return (nFreeChunks > 20) ? 1 : 0;
+}
+
+static void yaffs_release_space(struct file *f)
+{
+ yaffs_Object *obj;
+ yaffs_Device *dev;
+
+
+ obj = yaffs_DentryToObject(f->f_dentry);
+
+ dev = obj->myDev;
+
+ yaffs_GrossLock(dev);
+
+
+ yaffs_GrossUnlock(dev);
+}
+
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
{
yaffs_Object *obj;
yaffs_Device *dev;
struct inode *inode = f->f_dentry->d_inode;
unsigned long offset, curoffs;
- struct list_head *i;
+ struct ylist_head *i;
yaffs_Object *l;
char name[YAFFS_MAX_NAME_LENGTH + 1];
if (offset == 0) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_readdir: entry . ino %d \n",
- (int)inode->i_ino));
- if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR)
- < 0) {
+ ("yaffs_readdir: entry . ino %d \n",
+ (int)inode->i_ino));
+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0)
goto out;
- }
offset++;
f->f_pos++;
}
if (offset == 1) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_readdir: entry .. ino %d \n",
- (int)f->f_dentry->d_parent->d_inode->i_ino));
- if (filldir
- (dirent, "..", 2, offset,
- f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) {
+ ("yaffs_readdir: entry .. ino %d \n",
+ (int)f->f_dentry->d_parent->d_inode->i_ino));
+ if (filldir(dirent, "..", 2, offset,
+ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0)
goto out;
- }
offset++;
f->f_pos++;
}
f->f_version = inode->i_version;
}
- list_for_each(i, &obj->variant.directoryVariant.children) {
+ ylist_for_each(i, &obj->variant.directoryVariant.children) {
curoffs++;
if (curoffs >= offset) {
- l = list_entry(i, yaffs_Object, siblings);
+ l = ylist_entry(i, yaffs_Object, siblings);
yaffs_GetObjectName(l, name,
YAFFS_MAX_NAME_LENGTH + 1);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_readdir: %s inode %d\n", name,
+ ("yaffs_readdir: %s inode %d\n", name,
yaffs_GetObjectInode(l)));
if (filldir(dirent,
- name,
- strlen(name),
- offset,
- yaffs_GetObjectInode(l),
- yaffs_GetObjectType(l))
- < 0) {
+ name,
+ strlen(name),
+ offset,
+ yaffs_GetObjectInode(l),
+ yaffs_GetObjectType(l)) < 0)
goto up_and_out;
- }
offset++;
f->f_pos++;
}
}
- up_and_out:
- out:
-
+up_and_out:
+out:
yaffs_GrossUnlock(dev);
return 0;
/*
* File creation. Allocate an inode, and we're done..
*/
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
+#define YCRED(x) x
+#else
+#define YCRED(x) (x->cred)
+#endif
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- dev_t rdev)
+ dev_t rdev)
#else
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
- int rdev)
+ int rdev)
#endif
{
struct inode *inode;
yaffs_Object *parent = yaffs_InodeToObject(dir);
int error = -ENOSPC;
- uid_t uid = current->fsuid;
- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+ uid_t uid = YCRED(current)->fsuid;
+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
- if((dir->i_mode & S_ISGID) && S_ISDIR(mode))
+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
mode |= S_ISGID;
if (parent) {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_mknod: parent object %d type %d\n",
- parent->objectId, parent->variantType));
+ ("yaffs_mknod: parent object %d type %d\n",
+ parent->objectId, parent->variantType));
} else {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_mknod: could not get parent object\n"));
+ ("yaffs_mknod: could not get parent object\n"));
return -EPERM;
}
T(YAFFS_TRACE_OS, ("yaffs_mknod: making oject for %s, "
- "mode %x dev %x\n",
- dentry->d_name.name, mode, rdev));
+ "mode %x dev %x\n",
+ dentry->d_name.name, mode, rdev));
dev = parent->myDev;
switch (mode & S_IFMT) {
default:
/* Special (socket, fifo, device...) */
- T(YAFFS_TRACE_OS, (KERN_DEBUG
- "yaffs_mknod: making special\n"));
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- obj =
- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
- gid, old_encode_dev(rdev));
+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making special\n"));
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
+ gid, old_encode_dev(rdev));
#else
- obj =
- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
- gid, rdev);
+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
+ gid, rdev);
#endif
break;
case S_IFREG: /* file */
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
- obj =
- yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
- gid);
+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making file\n"));
+ obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
+ gid);
break;
case S_IFDIR: /* directory */
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_mknod: making directory\n"));
- obj =
- yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
- uid, gid);
+ ("yaffs_mknod: making directory\n"));
+ obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
+ uid, gid);
break;
case S_IFLNK: /* symlink */
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making symlink\n"));
obj = NULL; /* Do we ever get here? */
break;
}
inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
d_instantiate(dentry, inode);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_mknod created object %d count = %d\n",
- obj->objectId, atomic_read(&inode->i_count)));
+ ("yaffs_mknod created object %d count = %d\n",
+ obj->objectId, atomic_read(&inode->i_count)));
error = 0;
} else {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_mknod failed making object\n"));
+ ("yaffs_mknod failed making object\n"));
error = -ENOMEM;
}
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
int retVal;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mkdir\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_mkdir\n"));
retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
-#if 0
- /* attempt to fix dir bug - didn't work */
- if (!retVal) {
- dget(dentry);
- }
-#endif
return retVal;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
struct nameidata *n)
#else
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode)
#endif
{
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_create\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_create\n"));
return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
}
yaffs_Device *dev;
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_unlink %d:%s\n", (int)(dir->i_ino),
- dentry->d_name.name));
+ ("yaffs_unlink %d:%s\n", (int)(dir->i_ino),
+ dentry->d_name.name));
dev = yaffs_InodeToObject(dir)->myDev;
* Create a link...
*/
static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
- struct dentry *dentry)
+ struct dentry *dentry)
{
struct inode *inode = old_dentry->d_inode;
yaffs_Object *obj = NULL;
yaffs_Object *link = NULL;
yaffs_Device *dev;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_link\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_link\n"));
obj = yaffs_InodeToObject(inode);
dev = obj->myDev;
yaffs_GrossLock(dev);
- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
- {
- link =
- yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
- obj);
- }
+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
+ link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
+ obj);
if (link) {
old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj);
d_instantiate(dentry, old_dentry->d_inode);
atomic_inc(&old_dentry->d_inode->i_count);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_link link count %d i_count %d\n",
- old_dentry->d_inode->i_nlink,
- atomic_read(&old_dentry->d_inode->i_count)));
-
+ ("yaffs_link link count %d i_count %d\n",
+ old_dentry->d_inode->i_nlink,
+ atomic_read(&old_dentry->d_inode->i_count)));
}
yaffs_GrossUnlock(dev);
- if (link) {
-
+ if (link)
return 0;
- }
return -EPERM;
}
static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+ const char *symname)
{
yaffs_Object *obj;
yaffs_Device *dev;
- uid_t uid = current->fsuid;
- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+ uid_t uid = YCRED(current)->fsuid;
+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_symlink\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_symlink\n"));
dev = yaffs_InodeToObject(dir)->myDev;
yaffs_GrossLock(dev);
obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name,
- S_IFLNK | S_IRWXUGO, uid, gid, symname);
+ S_IFLNK | S_IRWXUGO, uid, gid, symname);
yaffs_GrossUnlock(dev);
if (obj) {
-
struct inode *inode;
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
d_instantiate(dentry, inode);
- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink created OK\n"));
+ T(YAFFS_TRACE_OS, ("symlink created OK\n"));
return 0;
} else {
- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink not created\n"));
-
+ T(YAFFS_TRACE_OS, ("symlink not created\n"));
}
return -ENOMEM;
}
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
- int datasync)
+ int datasync)
{
yaffs_Object *obj;
dev = obj->myDev;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_object\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_sync_object\n"));
yaffs_GrossLock(dev);
yaffs_FlushFile(obj, 1);
yaffs_GrossUnlock(dev);
int retVal = YAFFS_FAIL;
yaffs_Object *target;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_rename\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_rename\n"));
dev = yaffs_InodeToObject(old_dir)->myDev;
yaffs_GrossLock(dev);
/* Check if the target is an existing directory that is not empty. */
- target =
- yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
- new_dentry->d_name.name);
+ target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
+ new_dentry->d_name.name);
- if (target &&
- target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
- !list_empty(&target->variant.directoryVariant.children)) {
+ if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
+ !ylist_empty(&target->variant.directoryVariant.children)) {
- T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n"));
+ T(YAFFS_TRACE_OS, ("target is non-empty dir\n"));
retVal = YAFFS_FAIL;
} else {
-
/* Now does unlinking internally using shadowing mechanism */
- T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n"));
-
- retVal =
- yaffs_RenameObject(yaffs_InodeToObject(old_dir),
- old_dentry->d_name.name,
- yaffs_InodeToObject(new_dir),
- new_dentry->d_name.name);
+ T(YAFFS_TRACE_OS, ("calling yaffs_RenameObject\n"));
+ retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir),
+ old_dentry->d_name.name,
+ yaffs_InodeToObject(new_dir),
+ new_dentry->d_name.name);
}
yaffs_GrossUnlock(dev);
if (retVal == YAFFS_OK) {
- if(target) {
+ if (target) {
new_dentry->d_inode->i_nlink--;
mark_inode_dirty(new_dentry->d_inode);
}
} else {
return -ENOTEMPTY;
}
-
}
static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
yaffs_Device *dev;
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_setattr of object %d\n",
- yaffs_InodeToObject(inode)->objectId));
-
- if ((error = inode_change_ok(inode, attr)) == 0) {
+ ("yaffs_setattr of object %d\n",
+ yaffs_InodeToObject(inode)->objectId));
+ error = inode_change_ok(inode, attr);
+ if (error == 0) {
dev = yaffs_InodeToObject(inode)->myDev;
yaffs_GrossLock(dev);
if (yaffs_SetAttributes(yaffs_InodeToObject(inode), attr) ==
- YAFFS_OK) {
+ YAFFS_OK) {
error = 0;
} else {
error = -EPERM;
return error;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev;
struct super_block *sb = dentry->d_sb;
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf)
{
yaffs_Device *dev = yaffs_SuperToDevice(sb);
yaffs_Device *dev = yaffs_SuperToDevice(sb);
#endif
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_statfs\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_statfs\n"));
yaffs_GrossLock(dev);
buf->f_type = YAFFS_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_namelen = 255;
- if (sb->s_blocksize > dev->nDataBytesPerChunk) {
+
+ if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) {
+ /* Do this if chunk size is not a power of 2 */
+
+ uint64_t bytesInDev;
+ uint64_t bytesFree;
+
+ bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) *
+ ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk));
+
+ do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */
+ buf->f_blocks = bytesInDev;
+
+ bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) *
+ ((uint64_t)(dev->nDataBytesPerChunk));
+
+ do_div(bytesFree, sb->s_blocksize);
+
+ buf->f_bfree = bytesFree;
+
+ } else if (sb->s_blocksize > dev->nDataBytesPerChunk) {
buf->f_blocks =
- (dev->endBlock - dev->startBlock +
- 1) * dev->nChunksPerBlock / (sb->s_blocksize /
- dev->nDataBytesPerChunk);
+ (dev->endBlock - dev->startBlock + 1) *
+ dev->nChunksPerBlock /
+ (sb->s_blocksize / dev->nDataBytesPerChunk);
buf->f_bfree =
- yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize /
- dev->nDataBytesPerChunk);
+ yaffs_GetNumberOfFreeChunks(dev) /
+ (sb->s_blocksize / dev->nDataBytesPerChunk);
} else {
-
buf->f_blocks =
- (dev->endBlock - dev->startBlock +
- 1) * dev->nChunksPerBlock * (dev->nDataBytesPerChunk /
- sb->s_blocksize);
+ (dev->endBlock - dev->startBlock + 1) *
+ dev->nChunksPerBlock *
+ (dev->nDataBytesPerChunk / sb->s_blocksize);
+
buf->f_bfree =
- yaffs_GetNumberOfFreeChunks(dev) * (dev->nDataBytesPerChunk /
- sb->s_blocksize);
+ yaffs_GetNumberOfFreeChunks(dev) *
+ (dev->nDataBytesPerChunk / sb->s_blocksize);
}
+
buf->f_files = 0;
buf->f_ffree = 0;
buf->f_bavail = buf->f_bfree;
}
-/**
static int yaffs_do_sync_fs(struct super_block *sb)
{
yaffs_Device *dev = yaffs_SuperToDevice(sb);
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_do_sync_fs\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_do_sync_fs\n"));
- if(sb->s_dirt) {
+ if (sb->s_dirt) {
yaffs_GrossLock(dev);
- if(dev)
+ if (dev) {
+ yaffs_FlushEntireDeviceCache(dev);
yaffs_CheckpointSave(dev);
+ }
yaffs_GrossUnlock(dev);
}
return 0;
}
-**/
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static void yaffs_write_super(struct super_block *sb)
#else
static int yaffs_write_super(struct super_block *sb)
#endif
{
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_write_super\n"));
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
- return 0; /* yaffs_do_sync_fs(sb);*/
+ T(YAFFS_TRACE_OS, ("yaffs_write_super\n"));
+ if (yaffs_auto_checkpoint >= 2)
+ yaffs_do_sync_fs(sb);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18))
+ return 0;
#endif
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_sync_fs(struct super_block *sb, int wait)
#else
static int yaffs_sync_fs(struct super_block *sb)
#endif
{
+ T(YAFFS_TRACE_OS, ("yaffs_sync_fs\n"));
+
+ if (yaffs_auto_checkpoint >= 1)
+ yaffs_do_sync_fs(sb);
+
+ return 0;
+}
+
+#ifdef YAFFS_USE_OWN_IGET
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n"));
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
+{
+ struct inode *inode;
+ yaffs_Object *obj;
+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
- return 0; /* yaffs_do_sync_fs(sb);*/
+ T(YAFFS_TRACE_OS,
+ ("yaffs_iget for %lu\n", ino));
+ inode = iget_locked(sb, ino);
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+ if (!(inode->i_state & I_NEW))
+ return inode;
+
+ /* NB This is called as a side effect of other functions, but
+ * we had to release the lock to prevent deadlocks, so
+ * need to lock again.
+ */
+
+ yaffs_GrossLock(dev);
+
+ obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
+
+ yaffs_FillInodeFromObject(inode, obj);
+
+ yaffs_GrossUnlock(dev);
+
+ unlock_new_inode(inode);
+ return inode;
}
+#else
static void yaffs_read_inode(struct inode *inode)
{
yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb);
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino));
+ ("yaffs_read_inode for %d\n", (int)inode->i_ino));
yaffs_GrossLock(dev);
yaffs_GrossUnlock(dev);
}
-static LIST_HEAD(yaffs_dev_list);
+#endif
+
+static YLIST_HEAD(yaffs_dev_list);
-#if 0 // not used
+#if 0 /* not used */
static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
{
yaffs_Device *dev = yaffs_SuperToDevice(sb);
- if( *flags & MS_RDONLY ) {
+ if (*flags & MS_RDONLY) {
struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name ));
+ ("yaffs_remount_fs: %s: RO\n", dev->name));
yaffs_GrossLock(dev);
mtd->sync(mtd);
yaffs_GrossUnlock(dev);
- }
- else {
+ } else {
T(YAFFS_TRACE_OS,
- (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name ));
+ ("yaffs_remount_fs: %s: RW\n", dev->name));
}
return 0;
{
yaffs_Device *dev = yaffs_SuperToDevice(sb);
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n"));
+ T(YAFFS_TRACE_OS, ("yaffs_put_super\n"));
yaffs_GrossLock(dev);
yaffs_CheckpointSave(dev);
- if (dev->putSuperFunc) {
+ if (dev->putSuperFunc)
dev->putSuperFunc(sb);
- }
yaffs_Deinitialise(dev);
yaffs_GrossUnlock(dev);
/* we assume this is protected by lock_kernel() in mount/umount */
- list_del(&dev->devList);
+ ylist_del(&dev->devList);
- if(dev->spareBuffer){
+ if (dev->spareBuffer) {
YFREE(dev->spareBuffer);
dev->spareBuffer = NULL;
}
static void yaffs_MTDPutSuper(struct super_block *sb)
{
-
struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
- if (mtd->sync) {
+ if (mtd->sync)
mtd->sync(mtd);
- }
put_mtd_device(mtd);
}
{
struct super_block *sb = (struct super_block *)vsb;
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb));
-// if(sb)
-// sb->s_dirt = 1;
+ T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb));
+ if (sb)
+ sb->s_dirt = 1;
}
typedef struct {
#define MAX_OPT_LEN 20
static int yaffs_parse_options(yaffs_options *options, const char *options_str)
{
- char cur_opt[MAX_OPT_LEN+1];
+ char cur_opt[MAX_OPT_LEN + 1];
int p;
int error = 0;
/* Parse through the options which is a comma seperated list */
- while(options_str && *options_str && !error){
- memset(cur_opt,0,MAX_OPT_LEN+1);
+ while (options_str && *options_str && !error) {
+ memset(cur_opt, 0, MAX_OPT_LEN + 1);
p = 0;
- while(*options_str && *options_str != ','){
- if(p < MAX_OPT_LEN){
+ while (*options_str && *options_str != ',') {
+ if (p < MAX_OPT_LEN) {
cur_opt[p] = *options_str;
p++;
}
options_str++;
}
- if(!strcmp(cur_opt,"inband-tags"))
+ if (!strcmp(cur_opt, "inband-tags"))
options->inband_tags = 1;
- else if(!strcmp(cur_opt,"no-cache"))
+ else if (!strcmp(cur_opt, "no-cache"))
options->no_cache = 1;
- else if(!strcmp(cur_opt,"no-checkpoint-read"))
+ else if (!strcmp(cur_opt, "no-checkpoint-read"))
options->skip_checkpoint_read = 1;
- else if(!strcmp(cur_opt,"no-checkpoint-write"))
+ else if (!strcmp(cur_opt, "no-checkpoint-write"))
options->skip_checkpoint_write = 1;
- else if(!strcmp(cur_opt,"no-checkpoint")){
+ else if (!strcmp(cur_opt, "no-checkpoint")) {
options->skip_checkpoint_read = 1;
options->skip_checkpoint_write = 1;
} else {
- printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt);
+ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",
+ cur_opt);
error = 1;
}
-
}
return error;
}
static struct super_block *yaffs_internal_read_super(int yaffsVersion,
- struct super_block *sb,
- void *data, int silent)
+ struct super_block *sb,
+ void *data, int silent)
{
int nBlocks;
struct inode *inode = NULL;
sb->s_magic = YAFFS_MAGIC;
sb->s_op = &yaffs_super_ops;
+ sb->s_flags |= MS_NOATIME;
if (!sb)
printk(KERN_INFO "yaffs: sb is NULL\n");
sb->s_dev,
yaffs_devname(sb, devname_buf));
- if(!data_str)
+ if (!data_str)
data_str = "";
- printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str);
+ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str);
- memset(&options,0,sizeof(options));
+ memset(&options, 0, sizeof(options));
- if(yaffs_parse_options(&options,data_str)){
+ if (yaffs_parse_options(&options, data_str)) {
/* Option parsing failed */
return NULL;
}
yaffs_devname(sb, devname_buf)));
/* Check it's an mtd device..... */
- if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) {
+ if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR)
return NULL; /* This isn't an mtd device */
- }
+
/* Get the device */
mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
if (!mtd) {
T(YAFFS_TRACE_OS, (" %s %d\n", WRITE_SIZE_STR, WRITE_SIZE(mtd)));
T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize));
T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize));
- T(YAFFS_TRACE_OS, (" size %d\n", mtd->size));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
+ T(YAFFS_TRACE_OS, (" size %u\n", mtd->size));
+#else
+ T(YAFFS_TRACE_OS, (" size %lld\n", mtd->size));
+#endif
#ifdef CONFIG_YAFFS_AUTO_YAFFS2
- if (yaffsVersion == 1 &&
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- mtd->writesize >= 2048) {
-#else
- mtd->oobblock >= 2048) {
-#endif
- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n"));
- yaffsVersion = 2;
+ if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) {
+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs2\n"));
+ yaffsVersion = 2;
}
/* Added NCB 26/5/2006 for completeness */
- if (yaffsVersion == 2 &&
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- mtd->writesize == 512) {
-#else
- mtd->oobblock == 512) {
-#endif
- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n"));
- yaffsVersion = 1;
+ if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) {
+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs1\n"));
+ yaffsVersion = 1;
}
#endif
!mtd->block_markbad ||
!mtd->read ||
!mtd->write ||
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
!mtd->read_oob || !mtd->write_oob) {
#else
!mtd->write_ecc ||
return NULL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- if (mtd->writesize < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
-#else
- if (mtd->oobblock < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
-#endif
- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) {
+ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
+ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
+ !options.inband_tags) {
T(YAFFS_TRACE_ALWAYS,
("yaffs: MTD device does not have the "
"right page sizes\n"));
if (!mtd->erase ||
!mtd->read ||
!mtd->write ||
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
!mtd->read_oob || !mtd->write_oob) {
#else
!mtd->write_ecc ||
* Set the yaffs_Device up for mtd
*/
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
#else
sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
/* Set up the memory size parameters.... */
- nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
+ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
+
dev->startBlock = 0;
dev->endBlock = nBlocks - 1;
dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
- dev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
+ dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
dev->nReservedBlocks = 5;
dev->nShortOpCaches = (options.no_cache) ? 0 : 10;
+ dev->inbandTags = options.inband_tags;
/* ... and the functions. */
if (yaffsVersion == 2) {
dev->queryNANDBlock = nandmtd2_QueryNANDBlock;
dev->spareBuffer = YMALLOC(mtd->oobsize);
dev->isYaffs2 = 1;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- dev->nDataBytesPerChunk = mtd->writesize;
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+ dev->totalBytesPerChunk = mtd->writesize;
dev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
#else
- dev->nDataBytesPerChunk = mtd->oobblock;
+ dev->totalBytesPerChunk = mtd->oobblock;
dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
#endif
- nBlocks = mtd->size / mtd->erasesize;
+ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
- dev->nCheckpointReservedBlocks = CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS;
dev->startBlock = 0;
dev->endBlock = nBlocks - 1;
} else {
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
/* use the MTD interface in yaffs_mtdif1.c */
dev->writeChunkWithTagsToNAND =
nandmtd1_WriteChunkWithTagsToNAND;
dev->skipCheckpointWrite = options.skip_checkpoint_write;
/* we assume this is protected by lock_kernel() in mount/umount */
- list_add_tail(&dev->devList, &yaffs_dev_list);
+ ylist_add_tail(&dev->devList, &yaffs_dev_list);
init_MUTEX(&dev->grossLock);
return NULL;
}
sb->s_root = root;
+ sb->s_dirt = !dev->isCheckpointed;
+ T(YAFFS_TRACE_ALWAYS,
+ ("yaffs_read_super: isCheckpointed %d\n", dev->isCheckpointed));
T(YAFFS_TRACE_OS, ("yaffs_read_super: done\n"));
return sb;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
int silent)
{
return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs_read_super(struct file_system_type *fs,
int flags, const char *dev_name,
void *data, struct vfsmount *mnt)
#ifdef CONFIG_YAFFS_YAFFS2
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
int silent)
{
return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
static int yaffs2_read_super(struct file_system_type *fs,
int flags, const char *dev_name, void *data,
struct vfsmount *mnt)
{
buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock);
buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock);
+ buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk);
buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk);
buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits);
buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize);
buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks);
buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks);
- buf += sprintf(buf, "nCheckptResBlocks.. %d\n", dev->nCheckpointReservedBlocks);
buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint);
buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated);
buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes);
buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads);
buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures);
buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies);
- buf +=
- sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
- buf +=
- sprintf(buf, "passiveGCs......... %d\n",
+ buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
+ buf += sprintf(buf, "passiveGCs......... %d\n",
dev->passiveGarbageCollections);
buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites);
buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches);
sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions);
buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC);
buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2);
+ buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags);
return buf;
}
char **start,
off_t offset, int count, int *eof, void *data)
{
- struct list_head *item;
+ struct ylist_head *item;
char *buf = page;
int step = offset;
int n = 0;
lock_kernel();
/* Locate and print the Nth entry. Order N-squared but N is small. */
- list_for_each(item, &yaffs_dev_list) {
- yaffs_Device *dev = list_entry(item, yaffs_Device, devList);
+ ylist_for_each(item, &yaffs_dev_list) {
+ yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList);
if (n < step) {
n++;
continue;
char *end;
char *mask_name;
const char *x;
- char substring[MAX_MASK_NAME_LENGTH+1];
+ char substring[MAX_MASK_NAME_LENGTH + 1];
int i;
int done = 0;
int add, len = 0;
while (!done && (pos < count)) {
done = 1;
- while ((pos < count) && isspace(buf[pos])) {
+ while ((pos < count) && isspace(buf[pos]))
pos++;
- }
switch (buf[pos]) {
case '+':
mask_name = NULL;
mask_bitfield = simple_strtoul(buf + pos, &end, 0);
+
if (end > buf + pos) {
mask_name = "numeral";
len = end - (buf + pos);
pos += len;
done = 0;
} else {
- for(x = buf + pos, i = 0;
- (*x == '_' || (*x >='a' && *x <= 'z')) &&
- i <MAX_MASK_NAME_LENGTH; x++, i++, pos++)
- substring[i] = *x;
+ for (x = buf + pos, i = 0;
+ (*x == '_' || (*x >= 'a' && *x <= 'z')) &&
+ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++)
+ substring[i] = *x;
substring[i] = '\0';
for (i = 0; mask_flags[i].mask_name != NULL; i++) {
- if(strcmp(substring,mask_flags[i].mask_name) == 0){
+ if (strcmp(substring, mask_flags[i].mask_name) == 0) {
mask_name = mask_flags[i].mask_name;
mask_bitfield = mask_flags[i].mask_bitfield;
done = 0;
if (mask_name != NULL) {
done = 0;
- switch(add) {
+ switch (add) {
case '-':
rg &= ~mask_bitfield;
break;
yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS;
- printk("new trace = 0x%08X\n",yaffs_traceMask);
+ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask);
if (rg & YAFFS_TRACE_ALWAYS) {
for (i = 0; mask_flags[i].mask_name != NULL; i++) {
char flag;
flag = ((rg & mask_flags[i].mask_bitfield) == mask_flags[i].mask_bitfield) ? '+' : '-';
- printk("%c%s\n", flag, mask_flags[i].mask_name);
+ printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name);
}
}
};
static struct file_system_to_install fs_to_install[] = {
-//#ifdef CONFIG_YAFFS_YAFFS1
{&yaffs_fs_type, 0},
-//#endif
-//#ifdef CONFIG_YAFFS_YAFFS2
{&yaffs2_fs_type, 0},
-//#endif
{NULL, 0}
};
/* Install the proc_fs entry */
my_proc_entry = create_proc_entry("yaffs",
S_IRUGO | S_IFREG,
- &proc_root);
+ YPROC_ROOT);
if (my_proc_entry) {
my_proc_entry->write_proc = yaffs_proc_write;
my_proc_entry->read_proc = yaffs_proc_read;
my_proc_entry->data = NULL;
- } else {
+ } else
return -ENOMEM;
- }
/* Now add the file system entries */
while (fsinst->fst && !error) {
error = register_filesystem(fsinst->fst);
- if (!error) {
+ if (!error)
fsinst->installed = 1;
- }
fsinst++;
}
T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__
" removing. \n"));
- remove_proc_entry("yaffs", &proc_root);
+ remove_proc_entry("yaffs", YPROC_ROOT);
fsinst = fs_to_install;
}
fsinst++;
}
-
}
module_init(init_yaffs_fs)
--- /dev/null
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __YAFFS_GETBLOCKINFO_H__
+#define __YAFFS_GETBLOCKINFO_H__
+
+#include "yaffs_guts.h"
+
+/* Function to manipulate block info */
+static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
+{
+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
+ blk));
+ YBUG();
+ }
+ return &dev->blockInfo[blk - dev->internalStartBlock];
+}
+
+#endif
*/
const char *yaffs_guts_c_version =
- "$Id: yaffs_guts.c,v 1.49 2007-05-15 20:07:40 charles Exp $";
+ "$Id: yaffs_guts.c,v 1.82 2009-03-09 04:24:17 charles Exp $";
#include "yportenv.h"
#include "yaffsinterface.h"
#include "yaffs_guts.h"
#include "yaffs_tagsvalidity.h"
+#include "yaffs_getblockinfo.h"
#include "yaffs_tagscompat.h"
-#ifndef CONFIG_YAFFS_USE_OWN_SORT
+#ifndef CONFIG_YAFFS_USE_OWN_SORT
#include "yaffs_qsort.h"
#endif
#include "yaffs_nand.h"
#include "yaffs_packedtags2.h"
-#ifdef CONFIG_YAFFS_WINCE
-void yfsd_LockYAFFS(BOOL fsLockOnly);
-void yfsd_UnlockYAFFS(BOOL fsLockOnly);
-#endif
-
#define YAFFS_PASSIVE_GC_CHUNKS 2
#include "yaffs_ecc.h"
/* Robustification (if it ever comes about...) */
-static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND);
-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk);
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags * tags);
-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
- const yaffs_ExtendedTags * tags);
+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
+ int erasedOk);
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *tags);
+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+ const yaffs_ExtendedTags *tags);
/* Other local prototypes */
-static int yaffs_UnlinkObject( yaffs_Object *obj);
+static int yaffs_UnlinkObject(yaffs_Object *obj);
static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj);
static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
-static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device * dev,
- const __u8 * buffer,
- yaffs_ExtendedTags * tags,
- int useReserve);
-static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
- int chunkInNAND, int inScan);
-
-static yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
- yaffs_ObjectType type);
-static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
- yaffs_Object * obj);
-static int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name,
- int force, int isShrink, int shadows);
-static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj);
+static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev,
+ const __u8 *buffer,
+ yaffs_ExtendedTags *tags,
+ int useReserve);
+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
+ int chunkInNAND, int inScan);
+
+static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
+ yaffs_ObjectType type);
+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
+ yaffs_Object *obj);
+static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
+ int force, int isShrink, int shadows);
+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj);
static int yaffs_CheckStructures(void);
-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
- int chunkOffset, int *limit);
-static int yaffs_DoGenericObjectDeletion(yaffs_Object * in);
+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
+ int chunkOffset, int *limit);
+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in);
-static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blockNo);
+static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo);
-static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo);
-static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
- int lineNo);
static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
- int chunkInNAND);
+ int chunkInNAND);
-static int yaffs_UnlinkWorker(yaffs_Object * obj);
-static void yaffs_DestroyObject(yaffs_Object * obj);
+static int yaffs_UnlinkWorker(yaffs_Object *obj);
-static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
- int chunkInObject);
+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
+ int chunkInObject);
-loff_t yaffs_GetFileSize(yaffs_Object * obj);
+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
+ yaffs_BlockInfo **blockUsedPtr);
-static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr);
-
-static void yaffs_VerifyFreeChunks(yaffs_Device * dev);
+static void yaffs_VerifyFreeChunks(yaffs_Device *dev);
static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in);
+static void yaffs_VerifyDirectory(yaffs_Object *directory);
#ifdef YAFFS_PARANOID
-static int yaffs_CheckFileSanity(yaffs_Object * in);
+static int yaffs_CheckFileSanity(yaffs_Object *in);
#else
#define yaffs_CheckFileSanity(in)
#endif
-static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in);
-static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId);
+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in);
+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId);
static void yaffs_InvalidateCheckpoint(yaffs_Device *dev);
-static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
- yaffs_ExtendedTags * tags);
+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
+ yaffs_ExtendedTags *tags);
-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos);
-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
- yaffs_FileStructure * fStruct,
- __u32 chunkId);
+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
+ unsigned pos);
+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
+ yaffs_FileStructure *fStruct,
+ __u32 chunkId);
/* Function to calculate chunk and offset */
-static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u32 *offset)
+static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut,
+ __u32 *offsetOut)
{
- if(dev->chunkShift){
- /* Easy-peasy power of 2 case */
- *chunk = (__u32)(addr >> dev->chunkShift);
- *offset = (__u32)(addr & dev->chunkMask);
- }
- else if(dev->crumbsPerChunk)
- {
- /* Case where we're using "crumbs" */
- *offset = (__u32)(addr & dev->crumbMask);
- addr >>= dev->crumbShift;
- *chunk = ((__u32)addr)/dev->crumbsPerChunk;
- *offset += ((addr - (*chunk * dev->crumbsPerChunk)) << dev->crumbShift);
+ int chunk;
+ __u32 offset;
+
+ chunk = (__u32)(addr >> dev->chunkShift);
+
+ if (dev->chunkDiv == 1) {
+ /* easy power of 2 case */
+ offset = (__u32)(addr & dev->chunkMask);
+ } else {
+ /* Non power-of-2 case */
+
+ loff_t chunkBase;
+
+ chunk /= dev->chunkDiv;
+
+ chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk;
+ offset = (__u32)(addr - chunkBase);
}
- else
- YBUG();
+
+ *chunkOut = chunk;
+ *offsetOut = offset;
}
-/* Function to return the number of shifts for a power of 2 greater than or equal
- * to the given number
+/* Function to return the number of shifts for a power of 2 greater than or
+ * equal to the given number
* Note we don't try to cater for all possible numbers and this does not have to
* be hellishly efficient.
*/
nShifts = extraBits = 0;
- while(x>1){
- if(x & 1) extraBits++;
- x>>=1;
+ while (x > 1) {
+ if (x & 1)
+ extraBits++;
+ x >>= 1;
nShifts++;
}
- if(extraBits)
+ if (extraBits)
nShifts++;
return nShifts;
/* Function to return the number of shifts to get a 1 in bit 0
*/
-static __u32 ShiftDiv(__u32 x)
+static __u32 Shifts(__u32 x)
{
int nShifts;
nShifts = 0;
- if(!x) return 0;
+ if (!x)
+ return 0;
- while( !(x&1)){
- x>>=1;
+ while (!(x&1)) {
+ x >>= 1;
nShifts++;
}
int i;
__u8 *buf = (__u8 *)1;
- memset(dev->tempBuffer,0,sizeof(dev->tempBuffer));
+ memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer));
for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
dev->tempBuffer[i].line = 0; /* not in use */
dev->tempBuffer[i].buffer = buf =
- YMALLOC_DMA(dev->nDataBytesPerChunk);
+ YMALLOC_DMA(dev->totalBytesPerChunk);
}
return buf ? YAFFS_OK : YAFFS_FAIL;
-
}
-static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo)
+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo)
{
int i, j;
+
+ dev->tempInUse++;
+ if (dev->tempInUse > dev->maxTemp)
+ dev->maxTemp = dev->tempInUse;
+
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
if (dev->tempBuffer[i].line == 0) {
dev->tempBuffer[i].line = lineNo;
T(YAFFS_TRACE_BUFFERS,
(TSTR("Out of temp buffers at line %d, other held by lines:"),
lineNo));
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line));
- }
+
T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR)));
/*
}
-static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer,
int lineNo)
{
int i;
+
+ dev->tempInUse--;
+
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
if (dev->tempBuffer[i].buffer == buffer) {
dev->tempBuffer[i].line = 0;
/*
* Determine if we have a managed buffer.
*/
-int yaffs_IsManagedTempBuffer(yaffs_Device * dev, const __u8 * buffer)
+int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer)
{
int i;
+
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
if (dev->tempBuffer[i].buffer == buffer)
return 1;
-
}
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if( dev->srCache[i].data == buffer )
- return 1;
-
- }
+ for (i = 0; i < dev->nShortOpCaches; i++) {
+ if (dev->srCache[i].data == buffer)
+ return 1;
+ }
- if (buffer == dev->checkpointBuffer)
- return 1;
+ if (buffer == dev->checkpointBuffer)
+ return 1;
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
- return 0;
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
+ return 0;
}
* Chunk bitmap manipulations
*/
-static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device * dev, int blk)
+static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk)
{
if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
- blk));
+ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
+ blk));
YBUG();
}
return dev->chunkBits +
- (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
+ (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
}
static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk)
{
- if(blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
- chunk < 0 || chunk >= dev->nChunksPerBlock) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),blk,chunk));
- YBUG();
+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
+ chunk < 0 || chunk >= dev->nChunksPerBlock) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),
+ blk, chunk));
+ YBUG();
}
}
-static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device * dev, int blk)
+static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device *dev, int blk)
{
__u8 *blkBits = yaffs_BlockBits(dev, blk);
memset(blkBits, 0, dev->chunkBitmapStride);
}
-static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk)
+static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk)
{
__u8 *blkBits = yaffs_BlockBits(dev, blk);
- yaffs_VerifyChunkBitId(dev,blk,chunk);
+ yaffs_VerifyChunkBitId(dev, blk, chunk);
blkBits[chunk / 8] &= ~(1 << (chunk & 7));
}
-static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk)
+static Y_INLINE void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk)
{
__u8 *blkBits = yaffs_BlockBits(dev, blk);
- yaffs_VerifyChunkBitId(dev,blk,chunk);
+ yaffs_VerifyChunkBitId(dev, blk, chunk);
blkBits[chunk / 8] |= (1 << (chunk & 7));
}
-static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device * dev, int blk, int chunk)
+static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk)
{
__u8 *blkBits = yaffs_BlockBits(dev, blk);
- yaffs_VerifyChunkBitId(dev,blk,chunk);
+ yaffs_VerifyChunkBitId(dev, blk, chunk);
return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
}
-static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device * dev, int blk)
+static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk)
{
__u8 *blkBits = yaffs_BlockBits(dev, blk);
int i;
return 0;
}
-static int yaffs_CountChunkBits(yaffs_Device * dev, int blk)
+static int yaffs_CountChunkBits(yaffs_Device *dev, int blk)
{
__u8 *blkBits = yaffs_BlockBits(dev, blk);
int i;
int n = 0;
for (i = 0; i < dev->chunkBitmapStride; i++) {
__u8 x = *blkBits;
- while(x){
- if(x & 1)
+ while (x) {
+ if (x & 1)
n++;
- x >>=1;
+ x >>= 1;
}
blkBits++;
return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND));
}
-static const char * blockStateName[] = {
+static const char *blockStateName[] = {
"Unknown",
"Needs scanning",
"Scanning",
"Dead"
};
-static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
+static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
{
int actuallyUsed;
int inUse;
- if(yaffs_SkipVerification(dev))
+ if (yaffs_SkipVerification(dev))
return;
/* Report illegal runtime states */
- if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState));
+ if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState));
- switch(bi->blockState){
- case YAFFS_BLOCK_STATE_UNKNOWN:
- case YAFFS_BLOCK_STATE_SCANNING:
- case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has bad run-state %s"TENDSTR),
- n,blockStateName[bi->blockState]));
+ switch (bi->blockState) {
+ case YAFFS_BLOCK_STATE_UNKNOWN:
+ case YAFFS_BLOCK_STATE_SCANNING:
+ case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR),
+ n, blockStateName[bi->blockState]));
}
/* Check pages in use and soft deletions are legal */
actuallyUsed = bi->pagesInUse - bi->softDeletions;
- if(bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
+ if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock ||
actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock)
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
- n,bi->pagesInUse,bi->softDeletions));
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
+ n, bi->pagesInUse, bi->softDeletions));
/* Check chunk bitmap legal */
- inUse = yaffs_CountChunkBits(dev,n);
- if(inUse != bi->pagesInUse)
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
- n,bi->pagesInUse,inUse));
+ inUse = yaffs_CountChunkBits(dev, n);
+ if (inUse != bi->pagesInUse)
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
+ n, bi->pagesInUse, inUse));
/* Check that the sequence number is valid.
* Ten million is legal, but is very unlikely
*/
- if(dev->isYaffs2 &&
+ if (dev->isYaffs2 &&
(bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) &&
- (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000 ))
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has suspect sequence number of %d"TENDSTR),
- n,bi->sequenceNumber));
-
+ (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000))
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR),
+ n, bi->sequenceNumber));
}
-static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
+static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi,
+ int n)
{
- yaffs_VerifyBlock(dev,bi,n);
+ yaffs_VerifyBlock(dev, bi, n);
/* After collection the block should be in the erased state */
- /* TODO: This will need to change if we do partial gc */
+ /* This will need to change if we do partial gc */
- if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){
- T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
- n,bi->blockState));
+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING &&
+ bi->blockState != YAFFS_BLOCK_STATE_EMPTY) {
+ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
+ n, bi->blockState));
}
}
int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES];
int nIllegalBlockStates = 0;
-
- if(yaffs_SkipVerification(dev))
+ if (yaffs_SkipVerification(dev))
return;
- memset(nBlocksPerState,0,sizeof(nBlocksPerState));
+ memset(nBlocksPerState, 0, sizeof(nBlocksPerState));
+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
+ yaffs_VerifyBlock(dev, bi, i);
- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++){
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
- yaffs_VerifyBlock(dev,bi,i);
-
- if(bi->blockState >=0 && bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
+ if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
nBlocksPerState[bi->blockState]++;
else
nIllegalBlockStates++;
-
}
- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
- T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR)));
+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR)));
- T(YAFFS_TRACE_VERIFY,(TSTR("%d blocks have illegal states"TENDSTR),nIllegalBlockStates));
- if(nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
- T(YAFFS_TRACE_VERIFY,(TSTR("Too many allocating blocks"TENDSTR)));
+ T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates));
+ if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
+ T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR)));
- for(i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
T(YAFFS_TRACE_VERIFY,
(TSTR("%s %d blocks"TENDSTR),
- blockStateName[i],nBlocksPerState[i]));
+ blockStateName[i], nBlocksPerState[i]));
- if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
+ if (dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
T(YAFFS_TRACE_VERIFY,
(TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR),
dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]));
- if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
+ if (dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
T(YAFFS_TRACE_VERIFY,
(TSTR("Erased block count wrong dev %d count %d"TENDSTR),
dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]));
- if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
+ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
T(YAFFS_TRACE_VERIFY,
(TSTR("Too many collecting blocks %d (max is 1)"TENDSTR),
nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING]));
- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
}
*/
static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck)
{
- if(yaffs_SkipVerification(obj->myDev))
+ if (obj && yaffs_SkipVerification(obj->myDev))
return;
- if(!(tags && obj && oh)){
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
- (__u32)tags,(__u32)obj,(__u32)oh));
+ if (!(tags && obj && oh)) {
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
+ (__u32)tags, (__u32)obj, (__u32)oh));
return;
}
- if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
- oh->type > YAFFS_OBJECT_TYPE_MAX)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
- tags->objectId, oh->type));
+ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
+ oh->type > YAFFS_OBJECT_TYPE_MAX)
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
+ tags->objectId, oh->type));
- if(tags->objectId != obj->objectId)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
- tags->objectId, obj->objectId));
+ if (tags->objectId != obj->objectId)
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
+ tags->objectId, obj->objectId));
/*
* Tests do not apply to the root object.
*/
- if(parentCheck && tags->objectId > 1 && !obj->parent)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
- tags->objectId, oh->parentObjectId));
-
-
- if(parentCheck && obj->parent &&
- oh->parentObjectId != obj->parent->objectId &&
- (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
- obj->parent->objectId != YAFFS_OBJECTID_DELETED))
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
- tags->objectId, oh->parentObjectId, obj->parent->objectId));
+ if (parentCheck && tags->objectId > 1 && !obj->parent)
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
+ tags->objectId, oh->parentObjectId));
+ if (parentCheck && obj->parent &&
+ oh->parentObjectId != obj->parent->objectId &&
+ (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
+ obj->parent->objectId != YAFFS_OBJECTID_DELETED))
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
+ tags->objectId, oh->parentObjectId, obj->parent->objectId));
- if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */
+ if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */
T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header name is NULL"TENDSTR),
- obj->objectId));
+ (TSTR("Obj %d header name is NULL"TENDSTR),
+ obj->objectId));
- if(tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
+ if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header name is 0xFF"TENDSTR),
- obj->objectId));
+ (TSTR("Obj %d header name is 0xFF"TENDSTR),
+ obj->objectId));
}
-static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn,
- __u32 level, int chunkOffset)
+static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
+ __u32 level, int chunkOffset)
{
int i;
yaffs_Device *dev = obj->myDev;
int ok = 1;
- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
if (tn) {
if (level > 0) {
- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
if (tn->internal[i]) {
ok = yaffs_VerifyTnodeWorker(obj,
tn->internal[i],
}
}
} else if (level == 0) {
- int i;
yaffs_ExtendedTags tags;
__u32 objectId = obj->objectId;
chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS;
- for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){
- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
+ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) {
+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
- if(theChunk > 0){
+ if (theChunk > 0) {
/* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */
- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
- if(tags.objectId != objectId || tags.chunkId != chunkOffset){
- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
+ if (tags.objectId != objectId || tags.chunkId != chunkOffset) {
+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
objectId, chunkOffset, theChunk,
tags.objectId, tags.chunkId));
}
__u32 lastChunk;
__u32 x;
__u32 i;
- int ok;
yaffs_Device *dev;
yaffs_ExtendedTags tags;
yaffs_Tnode *tn;
__u32 objectId;
- if(obj && yaffs_SkipVerification(obj->myDev))
+ if (!obj)
+ return;
+
+ if (yaffs_SkipVerification(obj->myDev))
return;
dev = obj->myDev;
lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1;
x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS;
requiredTallness = 0;
- while (x> 0) {
+ while (x > 0) {
x >>= YAFFS_TNODES_INTERNAL_BITS;
requiredTallness++;
}
actualTallness = obj->variant.fileVariant.topLevel;
- if(requiredTallness > actualTallness )
+ if (requiredTallness > actualTallness)
T(YAFFS_TRACE_VERIFY,
(TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR),
- obj->objectId,actualTallness, requiredTallness));
+ obj->objectId, actualTallness, requiredTallness));
/* Check that the chunks in the tnode tree are all correct.
* checking the tags for every chunk match.
*/
- if(yaffs_SkipNANDVerification(dev))
+ if (yaffs_SkipNANDVerification(dev))
return;
- for(i = 1; i <= lastChunk; i++){
- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i);
+ for (i = 1; i <= lastChunk; i++) {
+ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i);
if (tn) {
- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
- if(theChunk > 0){
+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
+ if (theChunk > 0) {
/* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),objectId,i,theChunk)); */
- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
- if(tags.objectId != objectId || tags.chunkId != i){
- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
+ if (tags.objectId != objectId || tags.chunkId != i) {
+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
objectId, i, theChunk,
tags.objectId, tags.chunkId));
}
}
}
-
}
-
}
-static void yaffs_VerifyDirectory(yaffs_Object *obj)
-{
- if(obj && yaffs_SkipVerification(obj->myDev))
- return;
-
-}
static void yaffs_VerifyHardLink(yaffs_Object *obj)
{
- if(obj && yaffs_SkipVerification(obj->myDev))
+ if (obj && yaffs_SkipVerification(obj->myDev))
return;
/* Verify sane equivalent object */
static void yaffs_VerifySymlink(yaffs_Object *obj)
{
- if(obj && yaffs_SkipVerification(obj->myDev))
+ if (obj && yaffs_SkipVerification(obj->myDev))
return;
/* Verify symlink string */
static void yaffs_VerifySpecial(yaffs_Object *obj)
{
- if(obj && yaffs_SkipVerification(obj->myDev))
+ if (obj && yaffs_SkipVerification(obj->myDev))
return;
}
__u32 chunkMax;
__u32 chunkIdOk;
- __u32 chunkIsLive;
+ __u32 chunkInRange;
+ __u32 chunkShouldNotBeDeleted;
+ __u32 chunkValid;
+
+ if (!obj)
+ return;
- if(!obj)
+ if (obj->beingCreated)
return;
dev = obj->myDev;
- if(yaffs_SkipVerification(dev))
+ if (yaffs_SkipVerification(dev))
return;
/* Check sane object header chunk */
chunkMin = dev->internalStartBlock * dev->nChunksPerBlock;
chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1;
- chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax);
- chunkIsLive = chunkIdOk &&
+ chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax);
+ chunkIdOk = chunkInRange || obj->hdrChunk == 0;
+ chunkValid = chunkInRange &&
yaffs_CheckChunkBit(dev,
- obj->chunkId / dev->nChunksPerBlock,
- obj->chunkId % dev->nChunksPerBlock);
- if(!obj->fake &&
- (!chunkIdOk || !chunkIsLive)) {
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
- obj->objectId,obj->chunkId,
- chunkIdOk ? "" : ",out of range",
- chunkIsLive || !chunkIdOk ? "" : ",marked as deleted"));
- }
-
- if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) {
+ obj->hdrChunk / dev->nChunksPerBlock,
+ obj->hdrChunk % dev->nChunksPerBlock);
+ chunkShouldNotBeDeleted = chunkInRange && !chunkValid;
+
+ if (!obj->fake &&
+ (!chunkIdOk || chunkShouldNotBeDeleted)) {
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
+ obj->objectId, obj->hdrChunk,
+ chunkIdOk ? "" : ",out of range",
+ chunkShouldNotBeDeleted ? ",marked as deleted" : ""));
+ }
+
+ if (chunkValid && !yaffs_SkipNANDVerification(dev)) {
yaffs_ExtendedTags tags;
yaffs_ObjectHeader *oh;
- __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__);
+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
oh = (yaffs_ObjectHeader *)buffer;
- yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags);
+ yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
+ &tags);
- yaffs_VerifyObjectHeader(obj,oh,&tags,1);
+ yaffs_VerifyObjectHeader(obj, oh, &tags, 1);
- yaffs_ReleaseTempBuffer(dev,buffer,__LINE__);
+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
}
/* Verify it has a parent */
- if(obj && !obj->fake &&
- (!obj->parent || obj->parent->myDev != dev)){
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
- obj->objectId,obj->parent));
+ if (obj && !obj->fake &&
+ (!obj->parent || obj->parent->myDev != dev)) {
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
+ obj->objectId, obj->parent));
}
/* Verify parent is a directory */
- if(obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY){
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
- obj->objectId,obj->parent->variantType));
+ if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
+ obj->objectId, obj->parent->variantType));
}
- switch(obj->variantType){
+ switch (obj->variantType) {
case YAFFS_OBJECT_TYPE_FILE:
yaffs_VerifyFile(obj);
break;
default:
T(YAFFS_TRACE_VERIFY,
(TSTR("Obj %d has illegaltype %d"TENDSTR),
- obj->objectId,obj->variantType));
+ obj->objectId, obj->variantType));
break;
}
-
-
}
static void yaffs_VerifyObjects(yaffs_Device *dev)
{
yaffs_Object *obj;
int i;
- struct list_head *lh;
+ struct ylist_head *lh;
- if(yaffs_SkipVerification(dev))
+ if (yaffs_SkipVerification(dev))
return;
/* Iterate through the objects in each hash entry */
- for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){
- list_for_each(lh, &dev->objectBucket[i].list) {
+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
+ ylist_for_each(lh, &dev->objectBucket[i].list) {
if (lh) {
- obj = list_entry(lh, yaffs_Object, hashLink);
+ obj = ylist_entry(lh, yaffs_Object, hashLink);
yaffs_VerifyObject(obj);
}
}
- }
-
+ }
}
static Y_INLINE int yaffs_HashFunction(int n)
{
n = abs(n);
- return (n % YAFFS_NOBJECT_BUCKETS);
+ return n % YAFFS_NOBJECT_BUCKETS;
}
/*
- * Access functions to useful fake objects
+ * Access functions to useful fake objects.
+ * Note that root might have a presence in NAND if permissions are set.
*/
-yaffs_Object *yaffs_Root(yaffs_Device * dev)
+yaffs_Object *yaffs_Root(yaffs_Device *dev)
{
return dev->rootDir;
}
-yaffs_Object *yaffs_LostNFound(yaffs_Device * dev)
+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev)
{
return dev->lostNFoundDir;
}
* Erased NAND checking functions
*/
-int yaffs_CheckFF(__u8 * buffer, int nBytes)
+int yaffs_CheckFF(__u8 *buffer, int nBytes)
{
/* Horrible, slow implementation */
while (nBytes--) {
}
static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
- int chunkInNAND)
+ int chunkInNAND)
{
-
int retval = YAFFS_OK;
__u8 *data = yaffs_GetTempBuffer(dev, __LINE__);
yaffs_ExtendedTags tags;
result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags);
- if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
+ if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
retval = YAFFS_FAIL;
-
if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) {
T(YAFFS_TRACE_NANDACCESS,
(TSTR("Chunk %d not erased" TENDSTR), chunkInNAND));
}
-
static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
- const __u8 * data,
- yaffs_ExtendedTags * tags,
- int useReserve)
+ const __u8 *data,
+ yaffs_ExtendedTags *tags,
+ int useReserve)
{
int attempts = 0;
int writeOk = 0;
erasedOk = yaffs_CheckChunkErased(dev, chunk);
if (erasedOk != YAFFS_OK) {
T(YAFFS_TRACE_ERROR,
- (TSTR ("**>> yaffs chunk %d was not erased"
+ (TSTR("**>> yaffs chunk %d was not erased"
TENDSTR), chunk));
/* try another chunk */
/* Copy the data into the robustification buffer */
yaffs_HandleWriteChunkOk(dev, chunk, data, tags);
- } while (writeOk != YAFFS_OK && attempts < yaffs_wr_attempts);
+ } while (writeOk != YAFFS_OK &&
+ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts));
+
+ if (!writeOk)
+ chunk = -1;
if (attempts > 1) {
T(YAFFS_TRACE_ERROR,
* Block retiring for handling a broken block.
*/
-static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND)
+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND)
{
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
yaffs_InvalidateCheckpoint(dev);
- yaffs_MarkBlockBad(dev, blockInNAND);
+ if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) {
+ if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR(
+ "yaffs: Failed to mark bad and erase block %d"
+ TENDSTR), blockInNAND));
+ } else {
+ yaffs_ExtendedTags tags;
+ int chunkId = blockInNAND * dev->nChunksPerBlock;
+
+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
+
+ memset(buffer, 0xff, dev->nDataBytesPerChunk);
+ yaffs_InitialiseTags(&tags);
+ tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK;
+ if (dev->writeChunkWithTagsToNAND(dev, chunkId -
+ dev->chunkOffset, buffer, &tags) != YAFFS_OK)
+ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to "
+ TCONT("write bad block marker to block %d")
+ TENDSTR), blockInNAND));
+
+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
+ }
+ }
bi->blockState = YAFFS_BLOCK_STATE_DEAD;
bi->gcPrioritise = 0;
*
*/
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags * tags)
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *tags)
{
}
-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
- const yaffs_ExtendedTags * tags)
+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+ const yaffs_ExtendedTags *tags)
{
}
void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi)
{
- if(!bi->gcPrioritise){
+ if (!bi->gcPrioritise) {
bi->gcPrioritise = 1;
dev->hasPendingPrioritisedGCs = 1;
- bi->chunkErrorStrikes ++;
+ bi->chunkErrorStrikes++;
- if(bi->chunkErrorStrikes > 3){
+ if (bi->chunkErrorStrikes > 3) {
bi->needsRetiring = 1; /* Too many stikes, so retire this */
T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR)));
}
-
}
}
-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk)
+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
+ int erasedOk)
{
-
int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
- yaffs_HandleChunkError(dev,bi);
+ yaffs_HandleChunkError(dev, bi);
-
- if(erasedOk ) {
+ if (erasedOk) {
/* Was an actual write failure, so mark the block for retirement */
bi->needsRetiring = 1;
T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
(TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND));
-
-
}
/* Delete the chunk */
/*---------------- Name handling functions ------------*/
-static __u16 yaffs_CalcNameSum(const YCHAR * name)
+static __u16 yaffs_CalcNameSum(const YCHAR *name)
{
__u16 sum = 0;
__u16 i = 1;
- YUCHAR *bname = (YUCHAR *) name;
+ const YUCHAR *bname = (const YUCHAR *) name;
if (bname) {
while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
return sum;
}
-static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name)
+static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name)
{
#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) {
+ memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
+ if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH)
yaffs_strcpy(obj->shortName, name);
- } else {
+ else
obj->shortName[0] = _Y('\0');
- }
#endif
obj->sum = yaffs_CalcNameSum(name);
}
* Don't use this function directly
*/
-static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes)
+static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
{
int i;
int tnodeSize;
* Must be a multiple of 32-bits */
tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
+ if (tnodeSize < sizeof(yaffs_Tnode))
+ tnodeSize = sizeof(yaffs_Tnode);
+
/* make these things */
newTnodes = YMALLOC(nTnodes * tnodeSize);
if (!newTnodes) {
T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
+ (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
return YAFFS_FAIL;
}
dev->freeTnodes = newTnodes;
#else
/* New hookup for wide tnodes */
- for(i = 0; i < nTnodes -1; i++) {
+ for (i = 0; i < nTnodes - 1; i++) {
curr = (yaffs_Tnode *) &mem[i * tnodeSize];
next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize];
curr->internal[0] = next;
(TSTR
("yaffs: Could not add tnodes to management list" TENDSTR)));
return YAFFS_FAIL;
-
} else {
tnl->tnodes = newTnodes;
tnl->next = dev->allocatedTnodeList;
/* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */
-static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev)
+static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev)
{
yaffs_Tnode *tn = NULL;
/* If there are none left make more */
- if (!dev->freeTnodes) {
+ if (!dev->freeTnodes)
yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
- }
if (dev->freeTnodes) {
tn = dev->freeTnodes;
dev->nFreeTnodes--;
}
+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
+
return tn;
}
-static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev)
+static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
{
yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev);
+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
- if(tn)
- memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
+ if (tnodeSize < sizeof(yaffs_Tnode))
+ tnodeSize = sizeof(yaffs_Tnode);
+
+ if (tn)
+ memset(tn, 0, tnodeSize);
return tn;
}
/* FreeTnode frees up a tnode and puts it back on the free list */
-static void yaffs_FreeTnode(yaffs_Device * dev, yaffs_Tnode * tn)
+static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
{
if (tn) {
#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
dev->freeTnodes = tn;
dev->nFreeTnodes++;
}
+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
}
-static void yaffs_DeinitialiseTnodes(yaffs_Device * dev)
+static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
{
/* Free the list of allocated tnodes */
yaffs_TnodeList *tmp;
dev->nFreeTnodes = 0;
}
-static void yaffs_InitialiseTnodes(yaffs_Device * dev)
+static void yaffs_InitialiseTnodes(yaffs_Device *dev)
{
dev->allocatedTnodeList = NULL;
dev->freeTnodes = NULL;
dev->nFreeTnodes = 0;
dev->nTnodesCreated = 0;
-
}
-void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsigned val)
+void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos,
+ unsigned val)
{
- __u32 *map = (__u32 *)tn;
- __u32 bitInMap;
- __u32 bitInWord;
- __u32 wordInMap;
- __u32 mask;
+ __u32 *map = (__u32 *)tn;
+ __u32 bitInMap;
+ __u32 bitInWord;
+ __u32 wordInMap;
+ __u32 mask;
- pos &= YAFFS_TNODES_LEVEL0_MASK;
- val >>= dev->chunkGroupBits;
+ pos &= YAFFS_TNODES_LEVEL0_MASK;
+ val >>= dev->chunkGroupBits;
- bitInMap = pos * dev->tnodeWidth;
- wordInMap = bitInMap /32;
- bitInWord = bitInMap & (32 -1);
+ bitInMap = pos * dev->tnodeWidth;
+ wordInMap = bitInMap / 32;
+ bitInWord = bitInMap & (32 - 1);
- mask = dev->tnodeMask << bitInWord;
+ mask = dev->tnodeMask << bitInWord;
- map[wordInMap] &= ~mask;
- map[wordInMap] |= (mask & (val << bitInWord));
+ map[wordInMap] &= ~mask;
+ map[wordInMap] |= (mask & (val << bitInWord));
- if(dev->tnodeWidth > (32-bitInWord)) {
- bitInWord = (32 - bitInWord);
- wordInMap++;;
- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
- map[wordInMap] &= ~mask;
- map[wordInMap] |= (mask & (val >> bitInWord));
- }
+ if (dev->tnodeWidth > (32 - bitInWord)) {
+ bitInWord = (32 - bitInWord);
+ wordInMap++;;
+ mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
+ map[wordInMap] &= ~mask;
+ map[wordInMap] |= (mask & (val >> bitInWord));
+ }
}
-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos)
+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
+ unsigned pos)
{
- __u32 *map = (__u32 *)tn;
- __u32 bitInMap;
- __u32 bitInWord;
- __u32 wordInMap;
- __u32 val;
+ __u32 *map = (__u32 *)tn;
+ __u32 bitInMap;
+ __u32 bitInWord;
+ __u32 wordInMap;
+ __u32 val;
- pos &= YAFFS_TNODES_LEVEL0_MASK;
+ pos &= YAFFS_TNODES_LEVEL0_MASK;
- bitInMap = pos * dev->tnodeWidth;
- wordInMap = bitInMap /32;
- bitInWord = bitInMap & (32 -1);
+ bitInMap = pos * dev->tnodeWidth;
+ wordInMap = bitInMap / 32;
+ bitInWord = bitInMap & (32 - 1);
- val = map[wordInMap] >> bitInWord;
+ val = map[wordInMap] >> bitInWord;
- if(dev->tnodeWidth > (32-bitInWord)) {
- bitInWord = (32 - bitInWord);
- wordInMap++;;
- val |= (map[wordInMap] << bitInWord);
- }
+ if (dev->tnodeWidth > (32 - bitInWord)) {
+ bitInWord = (32 - bitInWord);
+ wordInMap++;;
+ val |= (map[wordInMap] << bitInWord);
+ }
- val &= dev->tnodeMask;
- val <<= dev->chunkGroupBits;
+ val &= dev->tnodeMask;
+ val <<= dev->chunkGroupBits;
- return val;
+ return val;
}
/* ------------------- End of individual tnode manipulation -----------------*/
*/
/* FindLevel0Tnode finds the level 0 tnode, if one exists. */
-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
- yaffs_FileStructure * fStruct,
- __u32 chunkId)
+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
+ yaffs_FileStructure *fStruct,
+ __u32 chunkId)
{
-
yaffs_Tnode *tn = fStruct->top;
__u32 i;
int requiredTallness;
int level = fStruct->topLevel;
/* Check sane level and chunk Id */
- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) {
+ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
return NULL;
- }
- if (chunkId > YAFFS_MAX_CHUNK_ID) {
+ if (chunkId > YAFFS_MAX_CHUNK_ID)
return NULL;
- }
/* First check we're tall enough (ie enough topLevel) */
requiredTallness++;
}
- if (requiredTallness > fStruct->topLevel) {
- /* Not tall enough, so we can't find it, return NULL. */
- return NULL;
- }
+ if (requiredTallness > fStruct->topLevel)
+ return NULL; /* Not tall enough, so we can't find it */
/* Traverse down to level 0 */
while (level > 0 && tn) {
- tn = tn->
- internal[(chunkId >>
- ( YAFFS_TNODES_LEVEL0_BITS +
- (level - 1) *
- YAFFS_TNODES_INTERNAL_BITS)
- ) &
- YAFFS_TNODES_INTERNAL_MASK];
+ tn = tn->internal[(chunkId >>
+ (YAFFS_TNODES_LEVEL0_BITS +
+ (level - 1) *
+ YAFFS_TNODES_INTERNAL_BITS)) &
+ YAFFS_TNODES_INTERNAL_MASK];
level--;
-
}
return tn;
* be plugged into the ttree.
*/
-static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev,
- yaffs_FileStructure * fStruct,
- __u32 chunkId,
- yaffs_Tnode *passedTn)
+static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
+ yaffs_FileStructure *fStruct,
+ __u32 chunkId,
+ yaffs_Tnode *passedTn)
{
-
int requiredTallness;
int i;
int l;
/* Check sane level and page Id */
- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) {
+ if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL)
return NULL;
- }
- if (chunkId > YAFFS_MAX_CHUNK_ID) {
+ if (chunkId > YAFFS_MAX_CHUNK_ID)
return NULL;
- }
/* First check we're tall enough (ie enough topLevel) */
if (requiredTallness > fStruct->topLevel) {
- /* Not tall enough,gotta make the tree taller */
+ /* Not tall enough, gotta make the tree taller */
for (i = fStruct->topLevel; i < requiredTallness; i++) {
tn = yaffs_GetTnode(dev);
l = fStruct->topLevel;
tn = fStruct->top;
- if(l > 0) {
+ if (l > 0) {
while (l > 0 && tn) {
x = (chunkId >>
- ( YAFFS_TNODES_LEVEL0_BITS +
+ (YAFFS_TNODES_LEVEL0_BITS +
(l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
YAFFS_TNODES_INTERNAL_MASK;
- if((l>1) && !tn->internal[x]){
+ if ((l > 1) && !tn->internal[x]) {
/* Add missing non-level-zero tnode */
tn->internal[x] = yaffs_GetTnode(dev);
- } else if(l == 1) {
+ } else if (l == 1) {
/* Looking from level 1 at level 0 */
- if (passedTn) {
+ if (passedTn) {
/* If we already have one, then release it.*/
- if(tn->internal[x])
- yaffs_FreeTnode(dev,tn->internal[x]);
+ if (tn->internal[x])
+ yaffs_FreeTnode(dev, tn->internal[x]);
tn->internal[x] = passedTn;
- } else if(!tn->internal[x]) {
+ } else if (!tn->internal[x]) {
/* Don't have one, none passed in */
tn->internal[x] = yaffs_GetTnode(dev);
}
}
} else {
/* top is level 0 */
- if(passedTn) {
- memcpy(tn,passedTn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
- yaffs_FreeTnode(dev,passedTn);
+ if (passedTn) {
+ memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
+ yaffs_FreeTnode(dev, passedTn);
}
}
return tn;
}
-static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk,
- yaffs_ExtendedTags * tags, int objectId,
- int chunkInInode)
+static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk,
+ yaffs_ExtendedTags *tags, int objectId,
+ int chunkInInode)
{
int j;
for (j = 0; theChunk && j < dev->chunkGroupSize; j++) {
- if (yaffs_CheckChunkBit
- (dev, theChunk / dev->nChunksPerBlock,
- theChunk % dev->nChunksPerBlock)) {
+ if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock,
+ theChunk % dev->nChunksPerBlock)) {
yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL,
tags);
if (yaffs_TagsMatch(tags, objectId, chunkInInode)) {
/* found it; */
return theChunk;
-
}
}
theChunk++;
* Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
*/
-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
int chunkOffset, int *limit)
{
int i;
if (tn) {
if (level > 0) {
-
for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
i--) {
if (tn->internal[i]) {
allDone = 0;
} else {
allDone =
- yaffs_DeleteWorker(in,
- tn->
- internal
- [i],
- level -
- 1,
- (chunkOffset
+ yaffs_DeleteWorker(in,
+ tn->
+ internal
+ [i],
+ level -
+ 1,
+ (chunkOffset
<<
YAFFS_TNODES_INTERNAL_BITS)
- + i,
- limit);
+ + i,
+ limit);
}
if (allDone) {
yaffs_FreeTnode(dev,
tn->internal[i] = NULL;
}
}
-
}
return (allDone) ? 1 : 0;
} else if (level == 0) {
int hitLimit = 0;
for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
- i--) {
- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
+ i--) {
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
if (theChunk) {
- chunkInInode =
- (chunkOffset <<
- YAFFS_TNODES_LEVEL0_BITS) + i;
+ chunkInInode = (chunkOffset <<
+ YAFFS_TNODES_LEVEL0_BITS) + i;
foundChunk =
- yaffs_FindChunkInGroup(dev,
- theChunk,
- &tags,
- in->objectId,
- chunkInInode);
+ yaffs_FindChunkInGroup(dev,
+ theChunk,
+ &tags,
+ in->objectId,
+ chunkInInode);
if (foundChunk > 0) {
yaffs_DeleteChunk(dev,
in->nDataChunks--;
if (limit) {
*limit = *limit - 1;
- if (*limit <= 0) {
+ if (*limit <= 0)
hitLimit = 1;
- }
}
}
- yaffs_PutLevel0Tnode(dev,tn,i,0);
+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
}
}
}
-static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk)
+static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk)
{
-
yaffs_BlockInfo *theBlock;
T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
* Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted.
*/
-static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn,
+static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn,
__u32 level, int chunkOffset)
{
int i;
} else if (level == 0) {
for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) {
- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
if (theChunk) {
/* Note this does not find the real chunk, only the chunk group.
* We make an assumption that a chunk group is not larger than
* a block.
*/
yaffs_SoftDeleteChunk(dev, theChunk);
- yaffs_PutLevel0Tnode(dev,tn,i,0);
+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
}
}
}
-static void yaffs_SoftDeleteFile(yaffs_Object * obj)
+static void yaffs_SoftDeleteFile(yaffs_Object *obj)
{
if (obj->deleted &&
obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) {
* by a special case.
*/
-static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device * dev, yaffs_Tnode * tn,
- __u32 level, int del0)
+static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
+ __u32 level, int del0)
{
int i;
int hasData;
(i == 0) ? del0 : 1);
}
- if (tn->internal[i]) {
+ if (tn->internal[i])
hasData++;
- }
}
if (hasData == 0 && del0) {
}
-static int yaffs_PruneFileStructure(yaffs_Device * dev,
- yaffs_FileStructure * fStruct)
+static int yaffs_PruneFileStructure(yaffs_Device *dev,
+ yaffs_FileStructure *fStruct)
{
int i;
int hasData;
hasData = 0;
for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) {
- if (tn->internal[i]) {
+ if (tn->internal[i])
hasData++;
- }
}
if (!hasData) {
/* yaffs_CreateFreeObjects creates a bunch more objects and
* adds them to the object free list.
*/
-static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects)
+static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects)
{
int i;
yaffs_Object *newObjects;
list = YMALLOC(sizeof(yaffs_ObjectList));
if (!newObjects || !list) {
- if(newObjects)
+ if (newObjects)
YFREE(newObjects);
- if(list)
+ if (list)
YFREE(list);
T(YAFFS_TRACE_ALLOCATE,
(TSTR("yaffs: Could not allocate more objects" TENDSTR)));
/* Hook them into the free list */
for (i = 0; i < nObjects - 1; i++) {
newObjects[i].siblings.next =
- (struct list_head *)(&newObjects[i + 1]);
+ (struct ylist_head *)(&newObjects[i + 1]);
}
newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects;
/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
-static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev)
+static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev)
{
yaffs_Object *tn = NULL;
+#ifdef VALGRIND_TEST
+ tn = YMALLOC(sizeof(yaffs_Object));
+#else
/* If there are none left make more */
- if (!dev->freeObjects) {
+ if (!dev->freeObjects)
yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS);
- }
if (dev->freeObjects) {
tn = dev->freeObjects;
dev->freeObjects =
- (yaffs_Object *) (dev->freeObjects->siblings.next);
+ (yaffs_Object *) (dev->freeObjects->siblings.next);
dev->nFreeObjects--;
-
+ }
+#endif
+ if (tn) {
/* Now sweeten it up... */
memset(tn, 0, sizeof(yaffs_Object));
+ tn->beingCreated = 1;
+
tn->myDev = dev;
- tn->chunkId = -1;
+ tn->hdrChunk = 0;
tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
- INIT_LIST_HEAD(&(tn->hardLinks));
- INIT_LIST_HEAD(&(tn->hashLink));
- INIT_LIST_HEAD(&tn->siblings);
+ YINIT_LIST_HEAD(&(tn->hardLinks));
+ YINIT_LIST_HEAD(&(tn->hashLink));
+ YINIT_LIST_HEAD(&tn->siblings);
+
+
+ /* Now make the directory sane */
+ if (dev->rootDir) {
+ tn->parent = dev->rootDir;
+ ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children);
+ }
/* Add it to the lost and found directory.
* NB Can't put root or lostNFound in lostNFound so
* check if lostNFound exists first
*/
- if (dev->lostNFoundDir) {
+ if (dev->lostNFoundDir)
yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn);
- }
+
+ tn->beingCreated = 0;
}
+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
+
return tn;
}
-static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device * dev, int number,
+static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number,
__u32 mode)
{
yaffs_Object *obj =
yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
if (obj) {
- obj->fake = 1; /* it is fake so it has no NAND presence... */
+ obj->fake = 1; /* it is fake so it might have no NAND presence... */
obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */
obj->unlinkAllowed = 0; /* ... or unlink it */
obj->deleted = 0;
obj->unlinked = 0;
obj->yst_mode = mode;
obj->myDev = dev;
- obj->chunkId = 0; /* Not a valid chunk. */
+ obj->hdrChunk = 0; /* Not a valid chunk. */
}
return obj;
}
-static void yaffs_UnhashObject(yaffs_Object * tn)
+static void yaffs_UnhashObject(yaffs_Object *tn)
{
int bucket;
yaffs_Device *dev = tn->myDev;
/* If it is still linked into the bucket list, free from the list */
- if (!list_empty(&tn->hashLink)) {
- list_del_init(&tn->hashLink);
+ if (!ylist_empty(&tn->hashLink)) {
+ ylist_del_init(&tn->hashLink);
bucket = yaffs_HashFunction(tn->objectId);
dev->objectBucket[bucket].count--;
}
-
}
/* FreeObject frees up a Object and puts it back on the free list */
-static void yaffs_FreeObject(yaffs_Object * tn)
+static void yaffs_FreeObject(yaffs_Object *tn)
{
-
yaffs_Device *dev = tn->myDev;
-#ifdef __KERNEL__
+#ifdef __KERNEL__
+ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode));
+#endif
+
+ if (tn->parent)
+ YBUG();
+ if (!ylist_empty(&tn->siblings))
+ YBUG();
+
+
+#ifdef __KERNEL__
if (tn->myInode) {
/* We're still hooked up to a cached inode.
* Don't delete now, but mark for later deletion
yaffs_UnhashObject(tn);
+#ifdef VALGRIND_TEST
+ YFREE(tn);
+#else
/* Link into the free list. */
- tn->siblings.next = (struct list_head *)(dev->freeObjects);
+ tn->siblings.next = (struct ylist_head *)(dev->freeObjects);
dev->freeObjects = tn;
dev->nFreeObjects++;
+#endif
+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
}
#ifdef __KERNEL__
-void yaffs_HandleDeferedFree(yaffs_Object * obj)
+void yaffs_HandleDeferedFree(yaffs_Object *obj)
{
- if (obj->deferedFree) {
+ if (obj->deferedFree)
yaffs_FreeObject(obj);
- }
}
#endif
-static void yaffs_DeinitialiseObjects(yaffs_Device * dev)
+static void yaffs_DeinitialiseObjects(yaffs_Device *dev)
{
/* Free the list of allocated Objects */
dev->nFreeObjects = 0;
}
-static void yaffs_InitialiseObjects(yaffs_Device * dev)
+static void yaffs_InitialiseObjects(yaffs_Device *dev)
{
int i;
dev->nFreeObjects = 0;
for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
- INIT_LIST_HEAD(&dev->objectBucket[i].list);
+ YINIT_LIST_HEAD(&dev->objectBucket[i].list);
dev->objectBucket[i].count = 0;
}
-
}
-static int yaffs_FindNiceObjectBucket(yaffs_Device * dev)
+static int yaffs_FindNiceObjectBucket(yaffs_Device *dev)
{
- static int x = 0;
+ static int x;
int i;
int l = 999;
int lowest = 999999;
return l;
}
-static int yaffs_CreateNewObjectNumber(yaffs_Device * dev)
+static int yaffs_CreateNewObjectNumber(yaffs_Device *dev)
{
int bucket = yaffs_FindNiceObjectBucket(dev);
*/
int found = 0;
- struct list_head *i;
+ struct ylist_head *i;
__u32 n = (__u32) bucket;
found = 1;
n += YAFFS_NOBJECT_BUCKETS;
if (1 || dev->objectBucket[bucket].count > 0) {
- list_for_each(i, &dev->objectBucket[bucket].list) {
+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
/* If there is already one in the list */
- if (i
- && list_entry(i, yaffs_Object,
- hashLink)->objectId == n) {
+ if (i && ylist_entry(i, yaffs_Object,
+ hashLink)->objectId == n) {
found = 0;
}
}
}
}
-
return n;
}
-static void yaffs_HashObject(yaffs_Object * in)
+static void yaffs_HashObject(yaffs_Object *in)
{
int bucket = yaffs_HashFunction(in->objectId);
yaffs_Device *dev = in->myDev;
- list_add(&in->hashLink, &dev->objectBucket[bucket].list);
+ ylist_add(&in->hashLink, &dev->objectBucket[bucket].list);
dev->objectBucket[bucket].count++;
-
}
-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number)
+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number)
{
int bucket = yaffs_HashFunction(number);
- struct list_head *i;
+ struct ylist_head *i;
yaffs_Object *in;
- list_for_each(i, &dev->objectBucket[bucket].list) {
+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
/* Look if it is in the list */
if (i) {
- in = list_entry(i, yaffs_Object, hashLink);
+ in = ylist_entry(i, yaffs_Object, hashLink);
if (in->objectId == number) {
#ifdef __KERNEL__
/* Don't tell the VFS about this one if it is defered free */
return NULL;
}
-yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
+yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
yaffs_ObjectType type)
{
-
yaffs_Object *theObject;
- yaffs_Tnode *tn;
+ yaffs_Tnode *tn = NULL;
- if (number < 0) {
+ if (number < 0)
number = yaffs_CreateNewObjectNumber(dev);
- }
theObject = yaffs_AllocateEmptyObject(dev);
- if(!theObject)
+ if (!theObject)
return NULL;
- if(type == YAFFS_OBJECT_TYPE_FILE){
+ if (type == YAFFS_OBJECT_TYPE_FILE) {
tn = yaffs_GetTnode(dev);
- if(!tn){
+ if (!tn) {
yaffs_FreeObject(theObject);
return NULL;
}
}
-
-
if (theObject) {
theObject->fake = 0;
theObject->renameAllowed = 1;
theObject->variant.fileVariant.top = tn;
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
- INIT_LIST_HEAD(&theObject->variant.directoryVariant.
- children);
+ YINIT_LIST_HEAD(&theObject->variant.directoryVariant.
+ children);
break;
case YAFFS_OBJECT_TYPE_SYMLINK:
case YAFFS_OBJECT_TYPE_HARDLINK:
return theObject;
}
-static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev,
+static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
int number,
yaffs_ObjectType type)
{
yaffs_Object *theObject = NULL;
- if (number > 0) {
+ if (number > 0)
theObject = yaffs_FindObjectByNumber(dev, number);
- }
- if (!theObject) {
+ if (!theObject)
theObject = yaffs_CreateNewObject(dev, number, type);
- }
return theObject;
}
-static YCHAR *yaffs_CloneString(const YCHAR * str)
+static YCHAR *yaffs_CloneString(const YCHAR *str)
{
YCHAR *newStr = NULL;
if (str && *str) {
newStr = YMALLOC((yaffs_strlen(str) + 1) * sizeof(YCHAR));
- if(newStr)
+ if (newStr)
yaffs_strcpy(newStr, str);
}
*/
static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type,
- yaffs_Object * parent,
- const YCHAR * name,
+ yaffs_Object *parent,
+ const YCHAR *name,
__u32 mode,
__u32 uid,
__u32 gid,
- yaffs_Object * equivalentObject,
- const YCHAR * aliasString, __u32 rdev)
+ yaffs_Object *equivalentObject,
+ const YCHAR *aliasString, __u32 rdev)
{
yaffs_Object *in;
- YCHAR *str;
+ YCHAR *str = NULL;
yaffs_Device *dev = parent->myDev;
/* Check if the entry exists. If it does then fail the call since we don't want a dup.*/
- if (yaffs_FindObjectByName(parent, name)) {
+ if (yaffs_FindObjectByName(parent, name))
return NULL;
- }
in = yaffs_CreateNewObject(dev, -1, type);
- if(type == YAFFS_OBJECT_TYPE_SYMLINK){
+ if (!in)
+ return YAFFS_FAIL;
+
+ if (type == YAFFS_OBJECT_TYPE_SYMLINK) {
str = yaffs_CloneString(aliasString);
- if(!str){
+ if (!str) {
yaffs_FreeObject(in);
return NULL;
}
if (in) {
- in->chunkId = -1;
+ in->hdrChunk = 0;
in->valid = 1;
in->variantType = type;
break;
case YAFFS_OBJECT_TYPE_HARDLINK:
in->variant.hardLinkVariant.equivalentObject =
- equivalentObject;
+ equivalentObject;
in->variant.hardLinkVariant.equivalentObjectId =
- equivalentObject->objectId;
- list_add(&in->hardLinks, &equivalentObject->hardLinks);
+ equivalentObject->objectId;
+ ylist_add(&in->hardLinks, &equivalentObject->hardLinks);
break;
case YAFFS_OBJECT_TYPE_FILE:
case YAFFS_OBJECT_TYPE_DIRECTORY:
if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) {
/* Could not create the object header, fail the creation */
- yaffs_DestroyObject(in);
+ yaffs_DeleteObject(in);
in = NULL;
}
return in;
}
-yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
- __u32 mode, __u32 uid, __u32 gid)
+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid)
{
return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode,
- uid, gid, NULL, NULL, 0);
+ uid, gid, NULL, NULL, 0);
}
-yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
- __u32 mode, __u32 uid, __u32 gid)
+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid)
{
return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name,
mode, uid, gid, NULL, NULL, 0);
}
-yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
- __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
{
return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode,
uid, gid, NULL, NULL, rdev);
}
-yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
- __u32 mode, __u32 uid, __u32 gid,
- const YCHAR * alias)
+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid,
+ const YCHAR *alias)
{
return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode,
- uid, gid, NULL, alias, 0);
+ uid, gid, NULL, alias, 0);
}
/* yaffs_Link returns the object id of the equivalent object.*/
-yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
- yaffs_Object * equivalentObject)
+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
+ yaffs_Object *equivalentObject)
{
/* Get the real object in case we were fed a hard link as an equivalent object */
equivalentObject = yaffs_GetEquivalentObject(equivalentObject);
}
-static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir,
- const YCHAR * newName, int force, int shadows)
+static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir,
+ const YCHAR *newName, int force, int shadows)
{
int unlinkOp;
int deleteOp;
yaffs_Object *existingTarget;
- if (newDir == NULL) {
+ if (newDir == NULL)
newDir = obj->parent; /* use the old directory */
- }
if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
T(YAFFS_TRACE_ALWAYS,
(TSTR
- ("tragendy: yaffs_ChangeObjectName: newDir is not a directory"
+ ("tragedy: yaffs_ChangeObjectName: newDir is not a directory"
TENDSTR)));
YBUG();
}
/* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
- if (obj->myDev->isYaffs2) {
+ if (obj->myDev->isYaffs2)
unlinkOp = (newDir == obj->myDev->unlinkedDir);
- } else {
+ else
unlinkOp = (newDir == obj->myDev->unlinkedDir
&& obj->variantType == YAFFS_OBJECT_TYPE_FILE);
- }
deleteOp = (newDir == obj->myDev->deletedDir);
obj->unlinked = 1;
/* If it is a deletion then we mark it as a shrink for gc purposes. */
- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows)>= 0)
+ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0)
return YAFFS_OK;
}
return YAFFS_FAIL;
}
-int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
- yaffs_Object * newDir, const YCHAR * newName)
+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
+ yaffs_Object *newDir, const YCHAR *newName)
{
- yaffs_Object *obj;
- yaffs_Object *existingTarget;
+ yaffs_Object *obj = NULL;
+ yaffs_Object *existingTarget = NULL;
int force = 0;
+
+ if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
+ if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
+
#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
/* Special case for case insemsitive systems (eg. WinCE).
* While look-up is case insensitive, the name isn't.
* Therefore we might want to change x.txt to X.txt
*/
- if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) {
+ if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0)
force = 1;
- }
#endif
+ else if (yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
+ /* ENAMETOOLONG */
+ return YAFFS_FAIL;
+
obj = yaffs_FindObjectByName(oldDir, oldName);
- /* Check new name to long. */
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK &&
- yaffs_strlen(newName) > YAFFS_MAX_ALIAS_LENGTH)
- /* ENAMETOOLONG */
- return YAFFS_FAIL;
- else if (obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK &&
- yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
- /* ENAMETOOLONG */
- return YAFFS_FAIL;
if (obj && obj->renameAllowed) {
existingTarget = yaffs_FindObjectByName(newDir, newName);
if (existingTarget &&
- existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
- !list_empty(&existingTarget->variant.directoryVariant.children)) {
+ existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
+ !ylist_empty(&existingTarget->variant.directoryVariant.children)) {
/* There is a target that is a non-empty directory, so we fail */
return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */
} else if (existingTarget && existingTarget != obj) {
* but only if it isn't the same object
*/
yaffs_ChangeObjectName(obj, newDir, newName, force,
- existingTarget->objectId);
+ existingTarget->objectId);
yaffs_UnlinkObject(existingTarget);
}
/*------------------------- Block Management and Page Allocation ----------------*/
-static int yaffs_InitialiseBlocks(yaffs_Device * dev)
+static int yaffs_InitialiseBlocks(yaffs_Device *dev)
{
int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
/* If the first allocation strategy fails, thry the alternate one */
dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo));
- if(!dev->blockInfo){
+ if (!dev->blockInfo) {
dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo));
dev->blockInfoAlt = 1;
- }
- else
+ } else
dev->blockInfoAlt = 0;
- if(dev->blockInfo){
-
+ if (dev->blockInfo) {
/* Set up dynamic blockinfo stuff. */
dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */
dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks);
- if(!dev->chunkBits){
+ if (!dev->chunkBits) {
dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks);
dev->chunkBitsAlt = 1;
- }
- else
+ } else
dev->chunkBitsAlt = 0;
}
}
return YAFFS_FAIL;
-
}
-static void yaffs_DeinitialiseBlocks(yaffs_Device * dev)
+static void yaffs_DeinitialiseBlocks(yaffs_Device *dev)
{
- if(dev->blockInfoAlt && dev->blockInfo)
+ if (dev->blockInfoAlt && dev->blockInfo)
YFREE_ALT(dev->blockInfo);
- else if(dev->blockInfo)
+ else if (dev->blockInfo)
YFREE(dev->blockInfo);
dev->blockInfoAlt = 0;
dev->blockInfo = NULL;
- if(dev->chunkBitsAlt && dev->chunkBits)
+ if (dev->chunkBitsAlt && dev->chunkBits)
YFREE_ALT(dev->chunkBits);
- else if(dev->chunkBits)
+ else if (dev->chunkBits)
YFREE(dev->chunkBits);
dev->chunkBitsAlt = 0;
dev->chunkBits = NULL;
}
-static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device * dev,
- yaffs_BlockInfo * bi)
+static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev,
+ yaffs_BlockInfo *bi)
{
int i;
__u32 seq;
seq = dev->sequenceNumber;
for (i = dev->internalStartBlock; i <= dev->internalEndBlock;
- i++) {
+ i++) {
b = yaffs_GetBlockInfo(dev, i);
if (b->blockState == YAFFS_BLOCK_STATE_FULL &&
(b->pagesInUse - b->softDeletions) <
* discarded pages.
*/
return (bi->sequenceNumber <= dev->oldestDirtySequence);
-
}
/* FindDiretiestBlock is used to select the dirtiest block (or close enough)
* for garbage collection.
*/
-static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev,
- int aggressive)
+static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev,
+ int aggressive)
{
-
int b = dev->currentDirtyChecker;
int i;
int iterations;
int dirtiest = -1;
int pagesInUse = 0;
- int prioritised=0;
+ int prioritised = 0;
yaffs_BlockInfo *bi;
int pendingPrioritisedExist = 0;
/* First let's see if we need to grab a prioritised block */
- if(dev->hasPendingPrioritisedGCs){
- for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){
+ if (dev->hasPendingPrioritisedGCs) {
+ for (i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++) {
bi = yaffs_GetBlockInfo(dev, i);
- //yaffs_VerifyBlock(dev,bi,i);
+ /* yaffs_VerifyBlock(dev,bi,i); */
- if(bi->gcPrioritise) {
+ if (bi->gcPrioritise) {
pendingPrioritisedExist = 1;
- if(bi->blockState == YAFFS_BLOCK_STATE_FULL &&
- yaffs_BlockNotDisqualifiedFromGC(dev, bi)){
+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
pagesInUse = (bi->pagesInUse - bi->softDeletions);
dirtiest = i;
prioritised = 1;
}
}
- if(!pendingPrioritisedExist) /* None found, so we can clear this */
+ if (!pendingPrioritisedExist) /* None found, so we can clear this */
dev->hasPendingPrioritisedGCs = 0;
}
dev->nonAggressiveSkip--;
- if (!aggressive && (dev->nonAggressiveSkip > 0)) {
+ if (!aggressive && (dev->nonAggressiveSkip > 0))
return -1;
- }
- if(!prioritised)
+ if (!prioritised)
pagesInUse =
- (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
+ (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
- if (aggressive) {
+ if (aggressive)
iterations =
dev->internalEndBlock - dev->internalStartBlock + 1;
- } else {
+ else {
iterations =
dev->internalEndBlock - dev->internalStartBlock + 1;
iterations = iterations / 16;
- if (iterations > 200) {
+ if (iterations > 200)
iterations = 200;
- }
}
for (i = 0; i <= iterations && pagesInUse > 0 && !prioritised; i++) {
b++;
- if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
+ if (b < dev->internalStartBlock || b > dev->internalEndBlock)
b = dev->internalStartBlock;
- }
if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
T(YAFFS_TRACE_ERROR,
bi = yaffs_GetBlockInfo(dev, b);
-#if 0
- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
- dirtiest = b;
- pagesInUse = 0;
- }
- else
-#endif
-
if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
- (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
+ (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
dirtiest = b;
pagesInUse = (bi->pagesInUse - bi->softDeletions);
}
if (dirtiest > 0) {
T(YAFFS_TRACE_GC,
(TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest,
- dev->nChunksPerBlock - pagesInUse,prioritised));
+ dev->nChunksPerBlock - pagesInUse, prioritised));
}
dev->oldestDirtySequence = 0;
- if (dirtiest > 0) {
+ if (dirtiest > 0)
dev->nonAggressiveSkip = 4;
- }
return dirtiest;
}
-static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo)
+static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo)
{
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo);
}
}
-static int yaffs_FindBlockForAllocation(yaffs_Device * dev)
+static int yaffs_FindBlockForAllocation(yaffs_Device *dev)
{
int i;
* Can't get space to gc
*/
T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs tragedy: no more eraased blocks" TENDSTR)));
+ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
return -1;
}
T(YAFFS_TRACE_ALWAYS,
(TSTR
- ("yaffs tragedy: no more eraased blocks, but there should have been %d"
+ ("yaffs tragedy: no more erased blocks, but there should have been %d"
TENDSTR), dev->nErasedBlocks));
return -1;
}
-// Check if there's space to allocate...
-// Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
-static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev)
+
+static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev)
+{
+ if (!dev->nCheckpointBlocksRequired &&
+ dev->isYaffs2) {
+ /* Not a valid value so recalculate */
+ int nBytes = 0;
+ int nBlocks;
+ int devBlocks = (dev->endBlock - dev->startBlock + 1);
+ int tnodeSize;
+
+ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
+
+ if (tnodeSize < sizeof(yaffs_Tnode))
+ tnodeSize = sizeof(yaffs_Tnode);
+
+ nBytes += sizeof(yaffs_CheckpointValidity);
+ nBytes += sizeof(yaffs_CheckpointDevice);
+ nBytes += devBlocks * sizeof(yaffs_BlockInfo);
+ nBytes += devBlocks * dev->chunkBitmapStride;
+ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects);
+ nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes);
+ nBytes += sizeof(yaffs_CheckpointValidity);
+ nBytes += sizeof(__u32); /* checksum*/
+
+ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */
+
+ nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3;
+
+ dev->nCheckpointBlocksRequired = nBlocks;
+ }
+
+ return dev->nCheckpointBlocksRequired;
+}
+
+/*
+ * Check if there's space to allocate...
+ * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
+ */
+static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev)
{
int reservedChunks;
int reservedBlocks = dev->nReservedBlocks;
int checkpointBlocks;
- checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
- if(checkpointBlocks < 0)
+ if (dev->isYaffs2) {
+ checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) -
+ dev->blocksInCheckpoint;
+ if (checkpointBlocks < 0)
+ checkpointBlocks = 0;
+ } else {
checkpointBlocks = 0;
+ }
reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock);
return (dev->nFreeChunks > reservedChunks);
}
-static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr)
+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
+ yaffs_BlockInfo **blockUsedPtr)
{
int retVal;
yaffs_BlockInfo *bi;
}
if (dev->nErasedBlocks < dev->nReservedBlocks
- && dev->allocationPage == 0) {
+ && dev->allocationPage == 0) {
T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
}
bi = yaffs_GetBlockInfo(dev, dev->allocationBlock);
retVal = (dev->allocationBlock * dev->nChunksPerBlock) +
- dev->allocationPage;
+ dev->allocationPage;
bi->pagesInUse++;
yaffs_SetChunkBit(dev, dev->allocationBlock,
- dev->allocationPage);
+ dev->allocationPage);
dev->allocationPage++;
dev->allocationBlock = -1;
}
- if(blockUsedPtr)
+ if (blockUsedPtr)
*blockUsedPtr = bi;
return retVal;
}
T(YAFFS_TRACE_ERROR,
- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
+ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
return -1;
}
-static int yaffs_GetErasedChunks(yaffs_Device * dev)
+static int yaffs_GetErasedChunks(yaffs_Device *dev)
{
int n;
n = dev->nErasedBlocks * dev->nChunksPerBlock;
- if (dev->allocationBlock > 0) {
+ if (dev->allocationBlock > 0)
n += (dev->nChunksPerBlock - dev->allocationPage);
- }
return n;
}
-static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block)
+static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block,
+ int wholeBlock)
{
int oldChunk;
int newChunk;
- int chunkInBlock;
int markNAND;
int retVal = YAFFS_OK;
int cleanups = 0;
int i;
int isCheckpointBlock;
int matchingChunk;
+ int maxCopies;
int chunksBefore = yaffs_GetErasedChunks(dev);
int chunksAfter;
bi->blockState = YAFFS_BLOCK_STATE_COLLECTING;
T(YAFFS_TRACE_TRACING,
- (TSTR("Collecting block %d, in use %d, shrink %d, " TENDSTR), block,
- bi->pagesInUse, bi->hasShrinkHeader));
+ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR),
+ block,
+ bi->pagesInUse,
+ bi->hasShrinkHeader,
+ wholeBlock));
/*yaffs_VerifyFreeChunks(dev); */
dev->isDoingGC = 1;
if (isCheckpointBlock ||
- !yaffs_StillSomeChunkBits(dev, block)) {
+ !yaffs_StillSomeChunkBits(dev, block)) {
T(YAFFS_TRACE_TRACING,
- (TSTR
- ("Collecting block %d that has no chunks in use" TENDSTR),
- block));
+ (TSTR
+ ("Collecting block %d that has no chunks in use" TENDSTR),
+ block));
yaffs_BlockBecameDirty(dev, block);
} else {
__u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_VerifyBlock(dev,bi,block);
+ yaffs_VerifyBlock(dev, bi, block);
- for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock;
- chunkInBlock < dev->nChunksPerBlock
- && yaffs_StillSomeChunkBits(dev, block);
- chunkInBlock++, oldChunk++) {
- if (yaffs_CheckChunkBit(dev, block, chunkInBlock)) {
+ maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10;
+ oldChunk = block * dev->nChunksPerBlock + dev->gcChunk;
+
+ for (/* init already done */;
+ retVal == YAFFS_OK &&
+ dev->gcChunk < dev->nChunksPerBlock &&
+ (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) &&
+ maxCopies > 0;
+ dev->gcChunk++, oldChunk++) {
+ if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) {
/* This page is in use and might need to be copied off */
+ maxCopies--;
+
markNAND = 1;
yaffs_InitialiseTags(&tags);
T(YAFFS_TRACE_GC_DETAIL,
(TSTR
- ("Collecting page %d, %d %d %d " TENDSTR),
- chunkInBlock, tags.objectId, tags.chunkId,
+ ("Collecting chunk in block %d, %d %d %d " TENDSTR),
+ dev->gcChunk, tags.objectId, tags.chunkId,
tags.byteCount));
- if(object && !yaffs_SkipVerification(dev)){
- if(tags.chunkId == 0)
- matchingChunk = object->chunkId;
- else if(object->softDeleted)
+ if (object && !yaffs_SkipVerification(dev)) {
+ if (tags.chunkId == 0)
+ matchingChunk = object->hdrChunk;
+ else if (object->softDeleted)
matchingChunk = oldChunk; /* Defeat the test */
else
- matchingChunk = yaffs_FindChunkInFile(object,tags.chunkId,NULL);
+ matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL);
- if(oldChunk != matchingChunk)
+ if (oldChunk != matchingChunk)
T(YAFFS_TRACE_ERROR,
(TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR),
- oldChunk,matchingChunk,tags.objectId, tags.chunkId));
+ oldChunk, matchingChunk, tags.objectId, tags.chunkId));
}
tags.objectId, tags.chunkId, tags.byteCount));
}
- if (object && object->deleted
- && tags.chunkId != 0) {
- /* Data chunk in a deleted file, throw it away
+ if (object &&
+ object->deleted &&
+ object->softDeleted &&
+ tags.chunkId != 0) {
+ /* Data chunk in a soft deleted file, throw it away
* It's a soft deleted data chunk,
* No need to copy this, just forget about it and
* fix up the object.
cleanups++;
}
markNAND = 0;
- } else if (0
- /* Todo object && object->deleted && object->nDataChunks == 0 */
- ) {
+ } else if (0) {
+ /* Todo object && object->deleted && object->nDataChunks == 0 */
/* Deleted object header with no data chunks.
* Can be discarded and the file deleted.
*/
- object->chunkId = 0;
+ object->hdrChunk = 0;
yaffs_FreeTnode(object->myDev,
object->variant.
fileVariant.top);
* We need to nuke the shrinkheader flags first
* We no longer want the shrinkHeader flag since its work is done
* and if it is left in place it will mess up scanning.
- * Also, clear out any shadowing stuff
*/
yaffs_ObjectHeader *oh;
oh = (yaffs_ObjectHeader *)buffer;
oh->isShrink = 0;
- oh->shadowsObject = -1;
- tags.extraShadows = 0;
tags.extraIsShrinkHeader = 0;
- yaffs_VerifyObjectHeader(object,oh,&tags,1);
+ yaffs_VerifyObjectHeader(object, oh, &tags, 1);
}
newChunk =
if (tags.chunkId == 0) {
/* It's a header */
- object->chunkId = newChunk;
+ object->hdrChunk = newChunk;
object->serial = tags.serialNumber;
} else {
/* It's a data chunk */
}
}
- yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
+ if (retVal == YAFFS_OK)
+ yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
}
}
}
- yaffs_VerifyCollectedBlock(dev,bi,block);
+ yaffs_VerifyCollectedBlock(dev, bi, block);
- if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) {
+ chunksAfter = yaffs_GetErasedChunks(dev);
+ if (chunksBefore >= chunksAfter) {
T(YAFFS_TRACE_GC,
(TSTR
("gc did not increase free chunks before %d after %d"
TENDSTR), chunksBefore, chunksAfter));
}
+ /* If the gc completed then clear the current gcBlock so that we find another. */
+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) {
+ dev->gcBlock = -1;
+ dev->gcChunk = 0;
+ }
+
dev->isDoingGC = 0;
- return YAFFS_OK;
+ return retVal;
}
/* New garbage collector
* The idea is to help clear out space in a more spread-out manner.
* Dunno if it really does anything useful.
*/
-static int yaffs_CheckGarbageCollection(yaffs_Device * dev)
+static int yaffs_CheckGarbageCollection(yaffs_Device *dev)
{
int block;
int aggressive;
do {
maxTries++;
- checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint);
- if(checkpointBlockAdjust < 0)
+ checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
+ if (checkpointBlockAdjust < 0)
checkpointBlockAdjust = 0;
if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) {
aggressive = 0;
}
- block = yaffs_FindBlockForGarbageCollection(dev, aggressive);
+ if (dev->gcBlock <= 0) {
+ dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive);
+ dev->gcChunk = 0;
+ }
+
+ block = dev->gcBlock;
if (block > 0) {
dev->garbageCollections++;
- if (!aggressive) {
+ if (!aggressive)
dev->passiveGarbageCollections++;
- }
T(YAFFS_TRACE_GC,
(TSTR
("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
dev->nErasedBlocks, aggressive));
- gcOk = yaffs_GarbageCollectBlock(dev, block);
+ gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive);
}
if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) {
("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d"
TENDSTR), dev->nErasedBlocks, maxTries, block));
}
- } while ((dev->nErasedBlocks < dev->nReservedBlocks) && (block > 0)
- && (maxTries < 2));
+ } while ((dev->nErasedBlocks < dev->nReservedBlocks) &&
+ (block > 0) &&
+ (maxTries < 2));
return aggressive ? gcOk : YAFFS_OK;
}
/*------------------------- TAGS --------------------------------*/
-static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
int chunkInObject)
{
return (tags->chunkId == chunkInObject &&
/*-------------------- Data file manipulation -----------------*/
-static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
- yaffs_ExtendedTags * tags)
+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
+ yaffs_ExtendedTags *tags)
{
/*Get the Tnode, then get the level 0 offset chunk offset */
yaffs_Tnode *tn;
tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
if (tn) {
- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
retVal =
yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
return retVal;
}
-static int yaffs_FindAndDeleteChunkInFile(yaffs_Object * in, int chunkInInode,
- yaffs_ExtendedTags * tags)
+static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode,
+ yaffs_ExtendedTags *tags)
{
/* Get the Tnode, then get the level 0 offset chunk offset */
yaffs_Tnode *tn;
if (tn) {
- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
retVal =
yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
chunkInInode);
/* Delete the entry in the filestructure (if found) */
- if (retVal != -1) {
- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,0);
- }
- } else {
- /*T(("No level 0 found for %d\n", chunkInInode)); */
+ if (retVal != -1)
+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0);
}
- if (retVal == -1) {
- /* T(("Could not find %d to delete\n",chunkInInode)); */
- }
return retVal;
}
#ifdef YAFFS_PARANOID
-static int yaffs_CheckFileSanity(yaffs_Object * in)
+static int yaffs_CheckFileSanity(yaffs_Object *in)
{
int chunk;
int nChunks;
int theChunk;
int chunkDeleted;
- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
- /* T(("Object not a file\n")); */
+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
return YAFFS_FAIL;
- }
objId = in->objectId;
fSize = in->variant.fileVariant.fileSize;
if (tn) {
- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunk);
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk);
if (yaffs_CheckChunkBits
(dev, theChunk / dev->nChunksPerBlock,
#endif
-static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
int chunkInNAND, int inScan)
{
/* NB inScan is zero unless scanning.
&in->variant.fileVariant,
chunkInInode,
NULL);
- if (!tn) {
+ if (!tn)
return YAFFS_FAIL;
- }
- existingChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
+ existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
if (inScan != 0) {
/* If we're scanning then we need to test for duplicates
* Update: For backward scanning we don't need to re-read tags so this is quite cheap.
*/
- if (existingChunk != 0) {
+ if (existingChunk > 0) {
/* NB Right now existing chunk will not be real chunkId if the device >= 32MB
* thus we have to do a FindChunkInFile to get the real chunk id.
*
* not be loaded during a scan
*/
- newSerial = newTags.serialNumber;
- existingSerial = existingTags.serialNumber;
+ if (inScan > 0) {
+ newSerial = newTags.serialNumber;
+ existingSerial = existingTags.serialNumber;
+ }
if ((inScan > 0) &&
(in->myDev->isYaffs2 ||
}
- if (existingChunk == 0) {
+ if (existingChunk == 0)
in->nDataChunks++;
- }
- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,chunkInNAND);
+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND);
return YAFFS_OK;
}
-static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode,
- __u8 * buffer)
+static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode,
+ __u8 *buffer)
{
int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL);
- if (chunkInNAND >= 0) {
+ if (chunkInNAND >= 0)
return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND,
- buffer,NULL);
- } else {
+ buffer, NULL);
+ else {
T(YAFFS_TRACE_NANDACCESS,
(TSTR("Chunk %d not found zero instead" TENDSTR),
chunkInNAND));
}
-void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn)
+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn)
{
int block;
int page;
if (chunkId <= 0)
return;
-
dev->nDeletions++;
block = chunkId / dev->nChunksPerBlock;
page = chunkId % dev->nChunksPerBlock;
- if(!yaffs_CheckChunkBit(dev,block,page))
+ if (!yaffs_CheckChunkBit(dev, block, page))
T(YAFFS_TRACE_VERIFY,
- (TSTR("Deleting invalid chunk %d"TENDSTR),
- chunkId));
+ (TSTR("Deleting invalid chunk %d"TENDSTR),
+ chunkId));
bi = yaffs_GetBlockInfo(dev, block);
yaffs_BlockBecameDirty(dev, block);
}
- } else {
- /* T(("Bad news deleting chunk %d\n",chunkId)); */
}
}
-static int yaffs_WriteChunkDataToObject(yaffs_Object * in, int chunkInInode,
- const __u8 * buffer, int nBytes,
+static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode,
+ const __u8 *buffer, int nBytes,
int useReserve)
{
/* Find old chunk Need to do this to get serial number
(prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1;
newTags.byteCount = nBytes;
+ if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes));
+ YBUG();
+ }
+
newChunkId =
yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
useReserve);
if (newChunkId >= 0) {
yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0);
- if (prevChunkId >= 0) {
+ if (prevChunkId >= 0)
yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__);
- }
-
yaffs_CheckFileSanity(in);
}
return newChunkId;
/* UpdateObjectHeader updates the header on NAND for an object.
* If name is not NULL, then that new name is used.
*/
-int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force,
+int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
int isShrink, int shadows)
{
yaffs_ObjectHeader *oh = NULL;
- yaffs_strcpy(oldName,"silly old name");
+ yaffs_strcpy(oldName, _Y("silly old name"));
- if (!in->fake || force) {
+
+ if (!in->fake ||
+ in == dev->rootDir || /* The rootDir should also be saved */
+ force) {
yaffs_CheckGarbageCollection(dev);
yaffs_CheckObjectDetailsLoaded(in);
buffer = yaffs_GetTempBuffer(in->myDev, __LINE__);
oh = (yaffs_ObjectHeader *) buffer;
- prevChunkId = in->chunkId;
+ prevChunkId = in->hdrChunk;
- if (prevChunkId >= 0) {
+ if (prevChunkId > 0) {
result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId,
buffer, &oldTags);
- yaffs_VerifyObjectHeader(in,oh,&oldTags,0);
+ yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
memcpy(oldName, oh->name, sizeof(oh->name));
}
oh->type = in->variantType;
oh->yst_mode = in->yst_mode;
- oh->shadowsObject = shadows;
+ oh->shadowsObject = oh->inbandShadowsObject = shadows;
#ifdef CONFIG_YAFFS_WINCE
oh->win_atime[0] = in->win_atime[0];
oh->yst_ctime = in->yst_ctime;
oh->yst_rdev = in->yst_rdev;
#endif
- if (in->parent) {
+ if (in->parent)
oh->parentObjectId = in->parent->objectId;
- } else {
+ else
oh->parentObjectId = 0;
- }
if (name && *name) {
memset(oh->name, 0, sizeof(oh->name));
yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH);
- } else if (prevChunkId>=0) {
+ } else if (prevChunkId >= 0)
memcpy(oh->name, oldName, sizeof(oh->name));
- } else {
+ else
memset(oh->name, 0, sizeof(oh->name));
- }
oh->isShrink = isShrink;
newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0;
newTags.extraObjectType = in->variantType;
- yaffs_VerifyObjectHeader(in,oh,&newTags,1);
+ yaffs_VerifyObjectHeader(in, oh, &newTags, 1);
/* Create new chunk in NAND */
newChunkId =
if (newChunkId >= 0) {
- in->chunkId = newChunkId;
+ in->hdrChunk = newChunkId;
if (prevChunkId >= 0) {
yaffs_DeleteChunk(dev, prevChunkId, 1,
__LINE__);
}
- if(!yaffs_ObjectHasCachedWriteData(in))
+ if (!yaffs_ObjectHasCachedWriteData(in))
in->dirty = 0;
/* If this was a shrink, then mark the block that the chunk lives on */
if (isShrink) {
bi = yaffs_GetBlockInfo(in->myDev,
- newChunkId /in->myDev-> nChunksPerBlock);
+ newChunkId / in->myDev->nChunksPerBlock);
bi->hasShrinkHeader = 1;
}
yaffs_ChunkCache *cache;
int nCaches = obj->myDev->nShortOpCaches;
- for(i = 0; i < nCaches; i++){
+ for (i = 0; i < nCaches; i++) {
cache = &dev->srCache[i];
if (cache->object == obj &&
cache->dirty)
}
-static void yaffs_FlushFilesChunkCache(yaffs_Object * obj)
+static void yaffs_FlushFilesChunkCache(yaffs_Object *obj)
{
yaffs_Device *dev = obj->myDev;
int lowest = -99; /* Stop compiler whining. */
*/
do {
obj = NULL;
- for( i = 0; i < nCaches && !obj; i++) {
+ for (i = 0; i < nCaches && !obj; i++) {
if (dev->srCache[i].object &&
dev->srCache[i].dirty)
obj = dev->srCache[i].object;
}
- if(obj)
+ if (obj)
yaffs_FlushFilesChunkCache(obj);
- } while(obj);
+ } while (obj);
}
* Then look for the least recently used non-dirty one.
* Then look for the least recently used dirty one...., flush and look again.
*/
-static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device * dev)
+static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev)
{
int i;
- int usage;
- int theOne;
if (dev->nShortOpCaches > 0) {
for (i = 0; i < dev->nShortOpCaches; i++) {
if (!dev->srCache[i].object)
return &dev->srCache[i];
}
+ }
- return NULL;
-
- theOne = -1;
- usage = 0; /* just to stop the compiler grizzling */
-
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (!dev->srCache[i].dirty &&
- ((dev->srCache[i].lastUse < usage && theOne >= 0) ||
- theOne < 0)) {
- usage = dev->srCache[i].lastUse;
- theOne = i;
- }
- }
-
-
- return theOne >= 0 ? &dev->srCache[theOne] : NULL;
- } else {
- return NULL;
- }
-
+ return NULL;
}
-static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device * dev)
+static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev)
{
yaffs_ChunkCache *cache;
yaffs_Object *theObj;
for (i = 0; i < dev->nShortOpCaches; i++) {
if (dev->srCache[i].object &&
!dev->srCache[i].locked &&
- (dev->srCache[i].lastUse < usage || !cache))
- {
+ (dev->srCache[i].lastUse < usage || !cache)) {
usage = dev->srCache[i].lastUse;
theObj = dev->srCache[i].object;
cache = &dev->srCache[i];
}
/* Find a cached chunk */
-static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object * obj,
+static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj,
int chunkId)
{
yaffs_Device *dev = obj->myDev;
}
/* Mark the chunk for the least recently used algorithym */
-static void yaffs_UseChunkCache(yaffs_Device * dev, yaffs_ChunkCache * cache,
+static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
int isAWrite)
{
if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
/* Reset the cache usages */
int i;
- for (i = 1; i < dev->nShortOpCaches; i++) {
+ for (i = 1; i < dev->nShortOpCaches; i++)
dev->srCache[i].lastUse = 0;
- }
+
dev->srLastUse = 0;
}
cache->lastUse = dev->srLastUse;
- if (isAWrite) {
+ if (isAWrite)
cache->dirty = 1;
- }
}
}
* Do this when a whole page gets written,
* ie the short cache for this page is no longer valid.
*/
-static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId)
+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId)
{
if (object->myDev->nShortOpCaches > 0) {
yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
- if (cache) {
+ if (cache)
cache->object = NULL;
- }
}
}
/* Invalidate all the cache pages associated with this object
* Do this whenever ther file is deleted or resized.
*/
-static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in)
+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in)
{
int i;
yaffs_Device *dev = in->myDev;
if (dev->nShortOpCaches > 0) {
/* Invalidate it. */
for (i = 0; i < dev->nShortOpCaches; i++) {
- if (dev->srCache[i].object == in) {
+ if (dev->srCache[i].object == in)
dev->srCache[i].object = NULL;
- }
}
}
}
/*--------------------- Checkpointing --------------------*/
-static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head)
+static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head)
{
yaffs_CheckpointValidity cp;
- memset(&cp,0,sizeof(cp));
+ memset(&cp, 0, sizeof(cp));
cp.structType = sizeof(cp);
cp.magic = YAFFS_MAGIC;
cp.version = YAFFS_CHECKPOINT_VERSION;
cp.head = (head) ? 1 : 0;
- return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))?
+ return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
1 : 0;
}
yaffs_CheckpointValidity cp;
int ok;
- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
- if(ok)
+ if (ok)
ok = (cp.structType == sizeof(cp)) &&
(cp.magic == YAFFS_MAGIC) &&
(cp.version == YAFFS_CHECKPOINT_VERSION) &&
int ok;
/* Write device runtime values*/
- yaffs_DeviceToCheckpointDevice(&cp,dev);
+ yaffs_DeviceToCheckpointDevice(&cp, dev);
cp.structType = sizeof(cp);
- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
/* Write block info */
- if(ok) {
+ if (ok) {
nBytes = nBlocks * sizeof(yaffs_BlockInfo);
- ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes);
+ ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes);
}
/* Write chunk bits */
- if(ok) {
+ if (ok) {
nBytes = nBlocks * dev->chunkBitmapStride;
- ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes);
+ ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes);
}
return ok ? 1 : 0;
int ok;
- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
- if(!ok)
+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
+ if (!ok)
return 0;
- if(cp.structType != sizeof(cp))
+ if (cp.structType != sizeof(cp))
return 0;
- yaffs_CheckpointDeviceToDevice(dev,&cp);
+ yaffs_CheckpointDeviceToDevice(dev, &cp);
nBytes = nBlocks * sizeof(yaffs_BlockInfo);
- ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes);
+ ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes);
- if(!ok)
+ if (!ok)
return 0;
nBytes = nBlocks * dev->chunkBitmapStride;
- ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes);
+ ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes);
return ok ? 1 : 0;
}
cp->objectId = obj->objectId;
cp->parentId = (obj->parent) ? obj->parent->objectId : 0;
- cp->chunkId = obj->chunkId;
+ cp->hdrChunk = obj->hdrChunk;
cp->variantType = obj->variantType;
cp->deleted = obj->deleted;
cp->softDeleted = obj->softDeleted;
cp->serial = obj->serial;
cp->nDataChunks = obj->nDataChunks;
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize;
- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId;
}
-static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointObject *cp)
+static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp)
{
yaffs_Object *parent;
+ if (obj->variantType != cp->variantType) {
+ T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d "
+ TCONT("chunk %d does not match existing object type %d")
+ TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk,
+ obj->variantType));
+ return 0;
+ }
+
obj->objectId = cp->objectId;
- if(cp->parentId)
+ if (cp->parentId)
parent = yaffs_FindOrCreateObjectByNumber(
obj->myDev,
cp->parentId,
else
parent = NULL;
- if(parent)
+ if (parent) {
+ if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d"
+ TCONT(" chunk %d Parent type, %d, not directory")
+ TENDSTR),
+ cp->objectId, cp->parentId, cp->variantType,
+ cp->hdrChunk, parent->variantType));
+ return 0;
+ }
yaffs_AddObjectToDirectory(parent, obj);
+ }
- obj->chunkId = cp->chunkId;
+ obj->hdrChunk = cp->hdrChunk;
obj->variantType = cp->variantType;
obj->deleted = cp->deleted;
obj->softDeleted = cp->softDeleted;
obj->serial = cp->serial;
obj->nDataChunks = cp->nDataChunks;
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId;
- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId;
- if(obj->objectId >= YAFFS_NOBJECT_BUCKETS)
+ if (obj->hdrChunk > 0)
obj->lazyLoaded = 1;
+ return 1;
}
-static int yaffs_CheckpointTnodeWorker(yaffs_Object * in, yaffs_Tnode * tn,
- __u32 level, int chunkOffset)
+static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn,
+ __u32 level, int chunkOffset)
{
int i;
yaffs_Device *dev = in->myDev;
int ok = 1;
- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
+
+ if (tnodeSize < sizeof(yaffs_Tnode))
+ tnodeSize = sizeof(yaffs_Tnode);
+
if (tn) {
if (level > 0) {
- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
if (tn->internal[i]) {
ok = yaffs_CheckpointTnodeWorker(in,
tn->internal[i],
}
} else if (level == 0) {
__u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS;
- /* printf("write tnode at %d\n",baseOffset); */
- ok = (yaffs_CheckpointWrite(dev,&baseOffset,sizeof(baseOffset)) == sizeof(baseOffset));
- if(ok)
- ok = (yaffs_CheckpointWrite(dev,tn,nTnodeBytes) == nTnodeBytes);
+ ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
+ if (ok)
+ ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize);
}
}
__u32 endMarker = ~0;
int ok = 1;
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
ok = yaffs_CheckpointTnodeWorker(obj,
obj->variant.fileVariant.top,
obj->variant.fileVariant.topLevel,
0);
- if(ok)
- ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) ==
+ if (ok)
+ ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) ==
sizeof(endMarker));
}
yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant;
yaffs_Tnode *tn;
int nread = 0;
+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
+ if (tnodeSize < sizeof(yaffs_Tnode))
+ tnodeSize = sizeof(yaffs_Tnode);
- while(ok && (~baseChunk)){
+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
+
+ while (ok && (~baseChunk)) {
nread++;
/* Read level 0 tnode */
- /* printf("read tnode at %d\n",baseChunk); */
tn = yaffs_GetTnodeRaw(dev);
- if(tn)
- ok = (yaffs_CheckpointRead(dev,tn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8) ==
- (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
+ if (tn)
+ ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize);
else
ok = 0;
- if(tn && ok){
+ if (tn && ok)
ok = yaffs_AddOrFindLevel0Tnode(dev,
- fileStructPtr,
- baseChunk,
- tn) ? 1 : 0;
+ fileStructPtr,
+ baseChunk,
+ tn) ? 1 : 0;
- }
-
- if(ok)
- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
+ if (ok)
+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
}
- T(YAFFS_TRACE_CHECKPOINT,(
+ T(YAFFS_TRACE_CHECKPOINT, (
TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR),
- nread,baseChunk,ok));
+ nread, baseChunk, ok));
return ok ? 1 : 0;
}
yaffs_CheckpointObject cp;
int i;
int ok = 1;
- struct list_head *lh;
+ struct ylist_head *lh;
/* Iterate through the objects in each hash entry,
* dumping them to the checkpointing stream.
*/
- for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){
- list_for_each(lh, &dev->objectBucket[i].list) {
+ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {
+ ylist_for_each(lh, &dev->objectBucket[i].list) {
if (lh) {
- obj = list_entry(lh, yaffs_Object, hashLink);
+ obj = ylist_entry(lh, yaffs_Object, hashLink);
if (!obj->deferedFree) {
- yaffs_ObjectToCheckpointObject(&cp,obj);
+ yaffs_ObjectToCheckpointObject(&cp, obj);
cp.structType = sizeof(cp);
- T(YAFFS_TRACE_CHECKPOINT,(
+ T(YAFFS_TRACE_CHECKPOINT, (
TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR),
- cp.objectId,cp.parentId,cp.variantType,cp.chunkId,(unsigned) obj));
+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj));
- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
- if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){
+ if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE)
ok = yaffs_WriteCheckpointTnodes(obj);
- }
}
}
}
- }
+ }
- /* Dump end of list */
- memset(&cp,0xFF,sizeof(yaffs_CheckpointObject));
+ /* Dump end of list */
+ memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject));
cp.structType = sizeof(cp);
- if(ok)
- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
+ if (ok)
+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
return ok ? 1 : 0;
}
int done = 0;
yaffs_Object *hardList = NULL;
- while(ok && !done) {
- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
- if(cp.structType != sizeof(cp)) {
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("struct size %d instead of %d ok %d"TENDSTR),
- cp.structType,sizeof(cp),ok));
+ while (ok && !done) {
+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
+ if (cp.structType != sizeof(cp)) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR),
+ cp.structType, sizeof(cp), ok));
ok = 0;
}
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
- cp.objectId,cp.parentId,cp.variantType,cp.chunkId));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk));
- if(ok && cp.objectId == ~0)
+ if (ok && cp.objectId == ~0)
done = 1;
- else if(ok){
- obj = yaffs_FindOrCreateObjectByNumber(dev,cp.objectId, cp.variantType);
- if(obj) {
- yaffs_CheckpointObjectToObject(obj,&cp);
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
+ else if (ok) {
+ obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType);
+ if (obj) {
+ ok = yaffs_CheckpointObjectToObject(obj, &cp);
+ if (!ok)
+ break;
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
ok = yaffs_ReadCheckpointTnodes(obj);
- } else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
+ } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
obj->hardLinks.next =
- (struct list_head *)
- hardList;
+ (struct ylist_head *) hardList;
hardList = obj;
}
-
- }
+ } else
+ ok = 0;
}
}
- if(ok)
- yaffs_HardlinkFixup(dev,hardList);
+ if (ok)
+ yaffs_HardlinkFixup(dev, hardList);
return ok ? 1 : 0;
}
__u32 checkpointSum;
int ok;
- yaffs_GetCheckpointSum(dev,&checkpointSum);
+ yaffs_GetCheckpointSum(dev, &checkpointSum);
- ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum));
+ ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
- if(!ok)
+ if (!ok)
return 0;
return 1;
__u32 checkpointSum1;
int ok;
- yaffs_GetCheckpointSum(dev,&checkpointSum0);
+ yaffs_GetCheckpointSum(dev, &checkpointSum0);
- ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1));
+ ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
- if(!ok)
+ if (!ok)
return 0;
- if(checkpointSum0 != checkpointSum1)
+ if (checkpointSum0 != checkpointSum1)
return 0;
return 1;
static int yaffs_WriteCheckpointData(yaffs_Device *dev)
{
-
int ok = 1;
- if(dev->skipCheckpointWrite || !dev->isYaffs2){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR)));
+ if (dev->skipCheckpointWrite || !dev->isYaffs2) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
ok = 0;
}
- if(ok)
- ok = yaffs_CheckpointOpen(dev,1);
+ if (ok)
+ ok = yaffs_CheckpointOpen(dev, 1);
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
- ok = yaffs_WriteCheckpointValidityMarker(dev,1);
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
+ ok = yaffs_WriteCheckpointValidityMarker(dev, 1);
}
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint device" TENDSTR)));
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR)));
ok = yaffs_WriteCheckpointDevice(dev);
}
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint objects" TENDSTR)));
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR)));
ok = yaffs_WriteCheckpointObjects(dev);
}
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
- ok = yaffs_WriteCheckpointValidityMarker(dev,0);
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
+ ok = yaffs_WriteCheckpointValidityMarker(dev, 0);
}
- if(ok){
+ if (ok)
ok = yaffs_WriteCheckpointSum(dev);
- }
-
- if(!yaffs_CheckpointClose(dev))
- ok = 0;
+ if (!yaffs_CheckpointClose(dev))
+ ok = 0;
- if(ok)
- dev->isCheckpointed = 1;
- else
- dev->isCheckpointed = 0;
+ if (ok)
+ dev->isCheckpointed = 1;
+ else
+ dev->isCheckpointed = 0;
return dev->isCheckpointed;
}
{
int ok = 1;
- if(dev->skipCheckpointRead || !dev->isYaffs2){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR)));
+ if (dev->skipCheckpointRead || !dev->isYaffs2) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR)));
ok = 0;
}
- if(ok)
- ok = yaffs_CheckpointOpen(dev,0); /* open for read */
+ if (ok)
+ ok = yaffs_CheckpointOpen(dev, 0); /* open for read */
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
- ok = yaffs_ReadCheckpointValidityMarker(dev,1);
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
+ ok = yaffs_ReadCheckpointValidityMarker(dev, 1);
}
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint device" TENDSTR)));
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR)));
ok = yaffs_ReadCheckpointDevice(dev);
}
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR)));
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR)));
ok = yaffs_ReadCheckpointObjects(dev);
}
- if(ok){
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
- ok = yaffs_ReadCheckpointValidityMarker(dev,0);
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
+ ok = yaffs_ReadCheckpointValidityMarker(dev, 0);
}
- if(ok){
+ if (ok) {
ok = yaffs_ReadCheckpointSum(dev);
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok));
}
- if(!yaffs_CheckpointClose(dev))
+ if (!yaffs_CheckpointClose(dev))
ok = 0;
- if(ok)
- dev->isCheckpointed = 1;
- else
- dev->isCheckpointed = 0;
+ if (ok)
+ dev->isCheckpointed = 1;
+ else
+ dev->isCheckpointed = 0;
return ok ? 1 : 0;
static void yaffs_InvalidateCheckpoint(yaffs_Device *dev)
{
- if(dev->isCheckpointed ||
- dev->blocksInCheckpoint > 0){
+ if (dev->isCheckpointed ||
+ dev->blocksInCheckpoint > 0) {
dev->isCheckpointed = 0;
yaffs_CheckpointInvalidateStream(dev);
- if(dev->superBlock && dev->markSuperBlockDirty)
+ if (dev->superBlock && dev->markSuperBlockDirty)
dev->markSuperBlockDirty(dev->superBlock);
}
}
int yaffs_CheckpointSave(yaffs_Device *dev)
{
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("save entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
yaffs_VerifyObjects(dev);
yaffs_VerifyBlocks(dev);
yaffs_VerifyFreeChunks(dev);
- if(!dev->isCheckpointed) {
+ if (!dev->isCheckpointed) {
yaffs_InvalidateCheckpoint(dev);
yaffs_WriteCheckpointData(dev);
}
- T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
+ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
return dev->isCheckpointed;
}
int yaffs_CheckpointRestore(yaffs_Device *dev)
{
int retval;
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
retval = yaffs_ReadCheckpointData(dev);
- if(dev->isCheckpointed){
+ if (dev->isCheckpointed) {
yaffs_VerifyObjects(dev);
yaffs_VerifyBlocks(dev);
yaffs_VerifyFreeChunks(dev);
}
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
return retval;
}
* Curve-balls: the first chunk might also be the last chunk.
*/
-int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset,
- int nBytes)
+int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset,
+ int nBytes)
{
int chunk;
- int start;
+ __u32 start;
int nToCopy;
int n = nBytes;
int nDone = 0;
dev = in->myDev;
while (n > 0) {
- //chunk = offset / dev->nDataBytesPerChunk + 1;
- //start = offset % dev->nDataBytesPerChunk;
- yaffs_AddrToChunk(dev,offset,&chunk,&start);
+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
+ /* start = offset % dev->nDataBytesPerChunk; */
+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
chunk++;
/* OK now check for the curveball where the start and end are in
* the same chunk.
*/
- if ((start + n) < dev->nDataBytesPerChunk) {
+ if ((start + n) < dev->nDataBytesPerChunk)
nToCopy = n;
- } else {
+ else
nToCopy = dev->nDataBytesPerChunk - start;
- }
cache = yaffs_FindChunkCache(in, chunk);
/* If the chunk is already in the cache or it is less than a whole chunk
- * then use the cache (if there is caching)
+ * or we're using inband tags then use the cache (if there is caching)
* else bypass the cache.
*/
- if (cache || nToCopy != dev->nDataBytesPerChunk) {
+ if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
if (dev->nShortOpCaches > 0) {
/* If we can't find the data in the cache, then load it up. */
cache->locked = 1;
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_UnlockYAFFS(TRUE);
-#endif
+
memcpy(buffer, &cache->data[start], nToCopy);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_LockYAFFS(TRUE);
-#endif
cache->locked = 0;
} else {
/* Read into the local buffer then copy..*/
yaffs_GetTempBuffer(dev, __LINE__);
yaffs_ReadChunkDataFromObject(in, chunk,
localBuffer);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_UnlockYAFFS(TRUE);
-#endif
+
memcpy(buffer, &localBuffer[start], nToCopy);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_LockYAFFS(TRUE);
-#endif
+
yaffs_ReleaseTempBuffer(dev, localBuffer,
__LINE__);
}
} else {
-#ifdef CONFIG_YAFFS_WINCE
- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
-
- /* Under WinCE can't do direct transfer. Need to use a local buffer.
- * This is because we otherwise screw up WinCE's memory mapper
- */
- yaffs_ReadChunkDataFromObject(in, chunk, localBuffer);
-
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_UnlockYAFFS(TRUE);
-#endif
- memcpy(buffer, localBuffer, dev->nDataBytesPerChunk);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_LockYAFFS(TRUE);
- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
-#endif
-
-#else
/* A full chunk. Read directly into the supplied buffer. */
yaffs_ReadChunkDataFromObject(in, chunk, buffer);
-#endif
+
}
n -= nToCopy;
return nDone;
}
-int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset,
- int nBytes, int writeThrough)
+int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
+ int nBytes, int writeThrough)
{
int chunk;
- int start;
+ __u32 start;
int nToCopy;
int n = nBytes;
int nDone = 0;
int nToWriteBack;
int startOfWrite = offset;
int chunkWritten = 0;
- int nBytesRead;
+ __u32 nBytesRead;
+ __u32 chunkStart;
yaffs_Device *dev;
dev = in->myDev;
while (n > 0 && chunkWritten >= 0) {
- //chunk = offset / dev->nDataBytesPerChunk + 1;
- //start = offset % dev->nDataBytesPerChunk;
- yaffs_AddrToChunk(dev,offset,&chunk,&start);
+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
+ /* start = offset % dev->nDataBytesPerChunk; */
+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
+
+ if (chunk * dev->nDataBytesPerChunk + start != offset ||
+ start >= dev->nDataBytesPerChunk) {
+ T(YAFFS_TRACE_ERROR, (
+ TSTR("AddrToChunk of offset %d gives chunk %d start %d"
+ TENDSTR),
+ (int)offset, chunk, start));
+ }
chunk++;
/* OK now check for the curveball where the start and end are in
* we need to write back as much as was there before.
*/
- nBytesRead =
- in->variant.fileVariant.fileSize -
- ((chunk - 1) * dev->nDataBytesPerChunk);
+ chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk);
+
+ if (chunkStart > in->variant.fileVariant.fileSize)
+ nBytesRead = 0; /* Past end of file */
+ else
+ nBytesRead = in->variant.fileVariant.fileSize - chunkStart;
- if (nBytesRead > dev->nDataBytesPerChunk) {
+ if (nBytesRead > dev->nDataBytesPerChunk)
nBytesRead = dev->nDataBytesPerChunk;
- }
nToWriteBack =
(nBytesRead >
(start + n)) ? nBytesRead : (start + n);
+ if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk)
+ YBUG();
+
} else {
nToCopy = dev->nDataBytesPerChunk - start;
nToWriteBack = dev->nDataBytesPerChunk;
}
- if (nToCopy != dev->nDataBytesPerChunk) {
- /* An incomplete start or end chunk (or maybe both start and end chunk) */
+ if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
+ /* An incomplete start or end chunk (or maybe both start and end chunk),
+ * or we're using inband tags, so we want to use the cache buffers.
+ */
if (dev->nShortOpCaches > 0) {
yaffs_ChunkCache *cache;
/* If we can't find the data in the cache, then load the cache */
yaffs_ReadChunkDataFromObject(in, chunk,
cache->
data);
- }
- else if(cache &&
- !cache->dirty &&
- !yaffs_CheckSpaceForAllocation(in->myDev)){
+ } else if (cache &&
+ !cache->dirty &&
+ !yaffs_CheckSpaceForAllocation(in->myDev)) {
/* Drop the cache if it was a read cache item and
* no space check has been made for it.
*/
if (cache) {
yaffs_UseChunkCache(dev, cache, 1);
cache->locked = 1;
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_UnlockYAFFS(TRUE);
-#endif
+
memcpy(&cache->data[start], buffer,
nToCopy);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_LockYAFFS(TRUE);
-#endif
+
cache->locked = 0;
cache->nBytes = nToWriteBack;
yaffs_ReadChunkDataFromObject(in, chunk,
localBuffer);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_UnlockYAFFS(TRUE);
-#endif
+
memcpy(&localBuffer[start], buffer, nToCopy);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_LockYAFFS(TRUE);
-#endif
chunkWritten =
yaffs_WriteChunkDataToObject(in, chunk,
localBuffer,
}
} else {
-
-#ifdef CONFIG_YAFFS_WINCE
- /* Under WinCE can't do direct transfer. Need to use a local buffer.
- * This is because we otherwise screw up WinCE's memory mapper
- */
- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_UnlockYAFFS(TRUE);
-#endif
- memcpy(localBuffer, buffer, dev->nDataBytesPerChunk);
-#ifdef CONFIG_YAFFS_WINCE
- yfsd_LockYAFFS(TRUE);
-#endif
- chunkWritten =
- yaffs_WriteChunkDataToObject(in, chunk, localBuffer,
- dev->nDataBytesPerChunk,
- 0);
- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
-#else
/* A full chunk. Write directly from the supplied buffer. */
+
+
+
chunkWritten =
yaffs_WriteChunkDataToObject(in, chunk, buffer,
dev->nDataBytesPerChunk,
0);
-#endif
+
/* Since we've overwritten the cached data, we better invalidate it. */
yaffs_InvalidateChunkCache(in, chunk);
}
/* Update file object */
- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) {
+ if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize)
in->variant.fileVariant.fileSize = (startOfWrite + nDone);
- }
in->dirty = 1;
/* ---------------------- File resizing stuff ------------------ */
-static void yaffs_PruneResizedChunks(yaffs_Object * in, int newSize)
+static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize)
{
yaffs_Device *dev = in->myDev;
}
-int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize)
+int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize)
{
int oldFileSize = in->variant.fileVariant.fileSize;
- int newSizeOfPartialChunk;
+ __u32 newSizeOfPartialChunk;
int newFullChunks;
yaffs_Device *dev = in->myDev;
yaffs_CheckGarbageCollection(dev);
- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
- return yaffs_GetFileSize(in);
- }
+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
+ return YAFFS_FAIL;
- if (newSize == oldFileSize) {
- return oldFileSize;
- }
+ if (newSize == oldFileSize)
+ return YAFFS_OK;
if (newSize < oldFileSize) {
}
-
/* Write a new object header.
* show we've shrunk the file, if need be
* Do this only if the file is not in the deleted directories.
*/
- if (in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
- in->parent->objectId != YAFFS_OBJECTID_DELETED) {
+ if (in->parent &&
+ in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
+ in->parent->objectId != YAFFS_OBJECTID_DELETED)
yaffs_UpdateObjectHeader(in, NULL, 0,
(newSize < oldFileSize) ? 1 : 0, 0);
- }
- return newSize;
+ return YAFFS_OK;
}
-loff_t yaffs_GetFileSize(yaffs_Object * obj)
+loff_t yaffs_GetFileSize(yaffs_Object *obj)
{
obj = yaffs_GetEquivalentObject(obj);
-int yaffs_FlushFile(yaffs_Object * in, int updateTime)
+int yaffs_FlushFile(yaffs_Object *in, int updateTime)
{
int retVal;
if (in->dirty) {
#endif
}
- retVal =
- (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
- 0) ? YAFFS_OK : YAFFS_FAIL;
+ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
+ 0) ? YAFFS_OK : YAFFS_FAIL;
} else {
retVal = YAFFS_OK;
}
}
-static int yaffs_DoGenericObjectDeletion(yaffs_Object * in)
+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
{
/* First off, invalidate the file's data in the cache, without flushing. */
if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) {
/* Move to the unlinked directory so we have a record that it was deleted. */
- yaffs_ChangeObjectName(in, in->myDev->deletedDir,"deleted", 0, 0);
+ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
}
yaffs_RemoveObjectFromDirectory(in);
- yaffs_DeleteChunk(in->myDev, in->chunkId, 1, __LINE__);
- in->chunkId = -1;
+ yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
+ in->hdrChunk = 0;
yaffs_FreeObject(in);
return YAFFS_OK;
* and the inode associated with the file.
* It does not delete the links associated with the file.
*/
-static int yaffs_UnlinkFile(yaffs_Object * in)
+static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
{
int retVal;
int immediateDeletion = 0;
- if (1) {
#ifdef __KERNEL__
- if (!in->myInode) {
- immediateDeletion = 1;
-
- }
+ if (!in->myInode)
+ immediateDeletion = 1;
#else
- if (in->inUse <= 0) {
- immediateDeletion = 1;
-
- }
+ if (in->inUse <= 0)
+ immediateDeletion = 1;
#endif
- if (immediateDeletion) {
- retVal =
- yaffs_ChangeObjectName(in, in->myDev->deletedDir,
- "deleted", 0, 0);
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
- in->objectId));
- in->deleted = 1;
- in->myDev->nDeletedFiles++;
- if (0 && in->myDev->isYaffs2) {
- yaffs_ResizeFile(in, 0);
- }
- yaffs_SoftDeleteFile(in);
- } else {
- retVal =
- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
- "unlinked", 0, 0);
- }
+ if (immediateDeletion) {
+ retVal =
+ yaffs_ChangeObjectName(in, in->myDev->deletedDir,
+ _Y("deleted"), 0, 0);
+ T(YAFFS_TRACE_TRACING,
+ (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
+ in->objectId));
+ in->deleted = 1;
+ in->myDev->nDeletedFiles++;
+ if (1 || in->myDev->isYaffs2)
+ yaffs_ResizeFile(in, 0);
+ yaffs_SoftDeleteFile(in);
+ } else {
+ retVal =
+ yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
+ _Y("unlinked"), 0, 0);
}
+
+
return retVal;
}
-int yaffs_DeleteFile(yaffs_Object * in)
+int yaffs_DeleteFile(yaffs_Object *in)
{
int retVal = YAFFS_OK;
+ int deleted = in->deleted;
+
+ yaffs_ResizeFile(in, 0);
if (in->nDataChunks > 0) {
- /* Use soft deletion if there is data in the file */
- if (!in->unlinked) {
- retVal = yaffs_UnlinkFile(in);
- }
+ /* Use soft deletion if there is data in the file.
+ * That won't be the case if it has been resized to zero.
+ */
+ if (!in->unlinked)
+ retVal = yaffs_UnlinkFileIfNeeded(in);
+
if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
in->deleted = 1;
+ deleted = 1;
in->myDev->nDeletedFiles++;
yaffs_SoftDeleteFile(in);
}
- return in->deleted ? YAFFS_OK : YAFFS_FAIL;
+ return deleted ? YAFFS_OK : YAFFS_FAIL;
} else {
/* The file has no data chunks so we toss it immediately */
yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top);
}
}
-static int yaffs_DeleteDirectory(yaffs_Object * in)
+static int yaffs_DeleteDirectory(yaffs_Object *in)
{
/* First check that the directory is empty. */
- if (list_empty(&in->variant.directoryVariant.children)) {
+ if (ylist_empty(&in->variant.directoryVariant.children))
return yaffs_DoGenericObjectDeletion(in);
- }
return YAFFS_FAIL;
}
-static int yaffs_DeleteSymLink(yaffs_Object * in)
+static int yaffs_DeleteSymLink(yaffs_Object *in)
{
YFREE(in->variant.symLinkVariant.alias);
return yaffs_DoGenericObjectDeletion(in);
}
-static int yaffs_DeleteHardLink(yaffs_Object * in)
+static int yaffs_DeleteHardLink(yaffs_Object *in)
{
/* remove this hardlink from the list assocaited with the equivalent
* object
*/
- list_del(&in->hardLinks);
+ ylist_del_init(&in->hardLinks);
return yaffs_DoGenericObjectDeletion(in);
}
-static void yaffs_DestroyObject(yaffs_Object * obj)
+int yaffs_DeleteObject(yaffs_Object *obj)
{
+int retVal = -1;
switch (obj->variantType) {
case YAFFS_OBJECT_TYPE_FILE:
- yaffs_DeleteFile(obj);
+ retVal = yaffs_DeleteFile(obj);
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
- yaffs_DeleteDirectory(obj);
+ return yaffs_DeleteDirectory(obj);
break;
case YAFFS_OBJECT_TYPE_SYMLINK:
- yaffs_DeleteSymLink(obj);
+ retVal = yaffs_DeleteSymLink(obj);
break;
case YAFFS_OBJECT_TYPE_HARDLINK:
- yaffs_DeleteHardLink(obj);
+ retVal = yaffs_DeleteHardLink(obj);
break;
case YAFFS_OBJECT_TYPE_SPECIAL:
- yaffs_DoGenericObjectDeletion(obj);
+ retVal = yaffs_DoGenericObjectDeletion(obj);
break;
case YAFFS_OBJECT_TYPE_UNKNOWN:
+ retVal = 0;
break; /* should not happen. */
}
+
+ return retVal;
}
-static int yaffs_UnlinkWorker(yaffs_Object * obj)
+static int yaffs_UnlinkWorker(yaffs_Object *obj)
{
+ int immediateDeletion = 0;
+
+#ifdef __KERNEL__
+ if (!obj->myInode)
+ immediateDeletion = 1;
+#else
+ if (obj->inUse <= 0)
+ immediateDeletion = 1;
+#endif
+
if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
return yaffs_DeleteHardLink(obj);
- } else if (!list_empty(&obj->hardLinks)) {
+ } else if (!ylist_empty(&obj->hardLinks)) {
/* Curve ball: We're unlinking an object that has a hardlink.
*
* This problem arises because we are not strictly following
int retVal;
YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
- hl = list_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
+ hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
- list_del_init(&hl->hardLinks);
- list_del_init(&hl->siblings);
+ ylist_del_init(&hl->hardLinks);
+ ylist_del_init(&hl->siblings);
yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0);
- if (retVal == YAFFS_OK) {
+ if (retVal == YAFFS_OK)
retVal = yaffs_DoGenericObjectDeletion(hl);
- }
+
return retVal;
- } else {
+ } else if (immediateDeletion) {
switch (obj->variantType) {
case YAFFS_OBJECT_TYPE_FILE:
- return yaffs_UnlinkFile(obj);
+ return yaffs_DeleteFile(obj);
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
return yaffs_DeleteDirectory(obj);
default:
return YAFFS_FAIL;
}
- }
+ } else
+ return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir,
+ _Y("unlinked"), 0, 0);
}
-static int yaffs_UnlinkObject( yaffs_Object *obj)
+static int yaffs_UnlinkObject(yaffs_Object *obj)
{
- if (obj && obj->unlinkAllowed) {
+ if (obj && obj->unlinkAllowed)
return yaffs_UnlinkWorker(obj);
- }
return YAFFS_FAIL;
}
-int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name)
+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
{
yaffs_Object *obj;
/*----------------------- Initialisation Scanning ---------------------- */
-static void yaffs_HandleShadowedObject(yaffs_Device * dev, int objId,
- int backwardScanning)
+static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
+ int backwardScanning)
{
yaffs_Object *obj;
/* Handle YAFFS2 case (backward scanning)
* If the shadowed object exists then ignore.
*/
- if (yaffs_FindObjectByNumber(dev, objId)) {
+ if (yaffs_FindObjectByNumber(dev, objId))
return;
- }
}
/* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
obj =
yaffs_FindOrCreateObjectByNumber(dev, objId,
YAFFS_OBJECT_TYPE_FILE);
+ if (!obj)
+ return;
yaffs_AddObjectToDirectory(dev->unlinkedDir, obj);
obj->variant.fileVariant.shrinkSize = 0;
obj->valid = 1; /* So that we don't read any other info for this file */
if (in) {
/* Add the hardlink pointers */
hl->variant.hardLinkVariant.equivalentObject = in;
- list_add(&hl->hardLinks, &in->hardLinks);
+ ylist_add(&hl->hardLinks, &in->hardLinks);
} else {
/* Todo Need to report/handle this better.
* Got a problem... hardlink to a non-existant object
*/
hl->variant.hardLinkVariant.equivalentObject = NULL;
- INIT_LIST_HEAD(&hl->hardLinks);
+ YINIT_LIST_HEAD(&hl->hardLinks);
}
-
}
+}
+
+
+
+
+static int ybicmp(const void *a, const void *b)
+{
+ register int aseq = ((yaffs_BlockIndex *)a)->seq;
+ register int bseq = ((yaffs_BlockIndex *)b)->seq;
+ register int ablock = ((yaffs_BlockIndex *)a)->block;
+ register int bblock = ((yaffs_BlockIndex *)b)->block;
+ if (aseq == bseq)
+ return ablock - bblock;
+ else
+ return aseq - bseq;
}
+struct yaffs_ShadowFixerStruct {
+ int objectId;
+ int shadowedId;
+ struct yaffs_ShadowFixerStruct *next;
+};
+
+static void yaffs_StripDeletedObjects(yaffs_Device *dev)
+{
+ /*
+ * Sort out state of unlinked and deleted objects after scanning.
+ */
+ struct ylist_head *i;
+ struct ylist_head *n;
+ yaffs_Object *l;
+ /* Soft delete all the unlinked files */
+ ylist_for_each_safe(i, n,
+ &dev->unlinkedDir->variant.directoryVariant.children) {
+ if (i) {
+ l = ylist_entry(i, yaffs_Object, siblings);
+ yaffs_DeleteObject(l);
+ }
+ }
-static int ybicmp(const void *a, const void *b){
- register int aseq = ((yaffs_BlockIndex *)a)->seq;
- register int bseq = ((yaffs_BlockIndex *)b)->seq;
- register int ablock = ((yaffs_BlockIndex *)a)->block;
- register int bblock = ((yaffs_BlockIndex *)b)->block;
- if( aseq == bseq )
- return ablock - bblock;
- else
- return aseq - bseq;
+ ylist_for_each_safe(i, n,
+ &dev->deletedDir->variant.directoryVariant.children) {
+ if (i) {
+ l = ylist_entry(i, yaffs_Object, siblings);
+ yaffs_DeleteObject(l);
+ }
+ }
}
-static int yaffs_Scan(yaffs_Device * dev)
+static int yaffs_Scan(yaffs_Device *dev)
{
yaffs_ExtendedTags tags;
int blk;
int blockIterator;
int startIterator;
int endIterator;
- int nBlocksToScan = 0;
int result;
int chunk;
yaffs_BlockState state;
yaffs_Object *hardList = NULL;
yaffs_BlockInfo *bi;
- int sequenceNumber;
+ __u32 sequenceNumber;
yaffs_ObjectHeader *oh;
yaffs_Object *in;
yaffs_Object *parent;
- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
int alloc_failed = 0;
+ struct yaffs_ShadowFixerStruct *shadowFixerList = NULL;
- __u8 *chunkData;
- yaffs_BlockIndex *blockIndex = NULL;
+ __u8 *chunkData;
- if (dev->isYaffs2) {
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR)));
- return YAFFS_FAIL;
- }
- //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format.
T(YAFFS_TRACE_SCAN,
(TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR),
dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
- if (dev->isYaffs2) {
- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
- if(!blockIndex)
- return YAFFS_FAIL;
- }
-
/* Scan all the blocks to determine their state */
for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
bi = yaffs_GetBlockInfo(dev, blk);
bi->blockState = state;
bi->sequenceNumber = sequenceNumber;
+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
+
T(YAFFS_TRACE_SCAN_DEBUG,
(TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
state, sequenceNumber));
(TSTR("Block empty " TENDSTR)));
dev->nErasedBlocks++;
dev->nFreeChunks += dev->nChunksPerBlock;
- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
-
- /* Determine the highest sequence number */
- if (dev->isYaffs2 &&
- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
-
- blockIndex[nBlocksToScan].seq = sequenceNumber;
- blockIndex[nBlocksToScan].block = blk;
-
- nBlocksToScan++;
-
- if (sequenceNumber >= dev->sequenceNumber) {
- dev->sequenceNumber = sequenceNumber;
- }
- } else if (dev->isYaffs2) {
- /* TODO: Nasty sequence number! */
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("Block scanning block %d has bad sequence number %d"
- TENDSTR), blk, sequenceNumber));
-
- }
}
}
- /* Sort the blocks
- * Dungy old bubble sort for now...
- */
- if (dev->isYaffs2) {
- yaffs_BlockIndex temp;
- int i;
- int j;
-
- for (i = 0; i < nBlocksToScan; i++)
- for (j = i + 1; j < nBlocksToScan; j++)
- if (blockIndex[i].seq > blockIndex[j].seq) {
- temp = blockIndex[j];
- blockIndex[j] = blockIndex[i];
- blockIndex[i] = temp;
- }
- }
-
- /* Now scan the blocks looking at the data. */
- if (dev->isYaffs2) {
- startIterator = 0;
- endIterator = nBlocksToScan - 1;
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan));
- } else {
- startIterator = dev->internalStartBlock;
- endIterator = dev->internalEndBlock;
- }
+ startIterator = dev->internalStartBlock;
+ endIterator = dev->internalEndBlock;
/* For each block.... */
for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator;
blockIterator++) {
- if (dev->isYaffs2) {
- /* get the block to scan in the correct order */
- blk = blockIndex[blockIterator].block;
- } else {
- blk = blockIterator;
- }
+ YYIELD();
+
+ YYIELD();
+
+ blk = blockIterator;
bi = yaffs_GetBlockInfo(dev, blk);
state = bi->blockState;
/* Let's have a good look at this chunk... */
- if (!dev->isYaffs2 && tags.chunkDeleted) {
+ if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) {
/* YAFFS1 only...
* A deleted chunk
*/
dev->allocationBlockFinder = blk;
/* Set it to here to encourage the allocator to go forth from here. */
- /* Yaffs2 sanity check:
- * This should be the one with the highest sequence number
- */
- if (dev->isYaffs2
- && (dev->sequenceNumber !=
- bi->sequenceNumber)) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("yaffs: Allocation block %d was not highest sequence id:"
- " block seq = %d, dev seq = %d"
- TENDSTR), blk,bi->sequenceNumber,dev->sequenceNumber));
- }
}
dev->nFreeChunks += (dev->nChunksPerBlock - c);
* the same chunkId).
*/
- if(!in)
+ if (!in)
alloc_failed = 1;
- if(in){
- if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1))
+ if (in) {
+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1))
alloc_failed = 1;
}
* deleted, and worse still it has changed type. Delete the old object.
*/
- yaffs_DestroyObject(in);
+ yaffs_DeleteObject(in);
in = 0;
}
objectId,
oh->type);
- if(!in)
+ if (!in)
alloc_failed = 1;
if (in && oh->shadowsObject > 0) {
- yaffs_HandleShadowedObject(dev,
- oh->
- shadowsObject,
- 0);
+
+ struct yaffs_ShadowFixerStruct *fixer;
+ fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct));
+ if (fixer) {
+ fixer->next = shadowFixerList;
+ shadowFixerList = fixer;
+ fixer->objectId = tags.objectId;
+ fixer->shadowedId = oh->shadowsObject;
+ }
+
}
if (in && in->valid) {
unsigned existingSerial = in->serial;
unsigned newSerial = tags.serialNumber;
- if (dev->isYaffs2 ||
- ((existingSerial + 1) & 3) ==
- newSerial) {
+ if (((existingSerial + 1) & 3) == newSerial) {
/* Use new one - destroy the exisiting one */
yaffs_DeleteChunk(dev,
- in->chunkId,
+ in->hdrChunk,
1, __LINE__);
in->valid = 0;
} else {
in->yst_ctime = oh->yst_ctime;
in->yst_rdev = oh->yst_rdev;
#endif
- in->chunkId = chunk;
+ in->hdrChunk = chunk;
+ in->serial = tags.serialNumber;
} else if (in && !in->valid) {
/* we need to load this info */
in->yst_ctime = oh->yst_ctime;
in->yst_rdev = oh->yst_rdev;
#endif
- in->chunkId = chunk;
+ in->hdrChunk = chunk;
+ in->serial = tags.serialNumber;
yaffs_SetObjectName(in, oh->name);
in->dirty = 0;
yaffs_FindOrCreateObjectByNumber
(dev, oh->parentObjectId,
YAFFS_OBJECT_TYPE_DIRECTORY);
- if (parent->variantType ==
+ if (!parent)
+ alloc_failed = 1;
+ if (parent && parent->variantType ==
YAFFS_OBJECT_TYPE_UNKNOWN) {
/* Set up as a directory */
parent->variantType =
- YAFFS_OBJECT_TYPE_DIRECTORY;
- INIT_LIST_HEAD(&parent->variant.
- directoryVariant.
- children);
- } else if (parent->variantType !=
- YAFFS_OBJECT_TYPE_DIRECTORY)
- {
+ YAFFS_OBJECT_TYPE_DIRECTORY;
+ YINIT_LIST_HEAD(&parent->variant.
+ directoryVariant.
+ children);
+ } else if (!parent || parent->variantType !=
+ YAFFS_OBJECT_TYPE_DIRECTORY) {
/* Hoosterman, another problem....
* We're trying to use a non-directory as a directory
*/
T(YAFFS_TRACE_ERROR,
(TSTR
- ("yaffs tragedy: attempting to use non-directory as"
- " a directory in scan. Put in lost+found."
+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
TENDSTR)));
parent = dev->lostNFoundDir;
}
/* Todo got a problem */
break;
case YAFFS_OBJECT_TYPE_FILE:
- if (dev->isYaffs2
- && oh->isShrink) {
- /* Prune back the shrunken chunks */
- yaffs_PruneResizedChunks
- (in, oh->fileSize);
- /* Mark the block as having a shrinkHeader */
- bi->hasShrinkHeader = 1;
- }
-
if (dev->useHeaderFileSize)
in->variant.fileVariant.
break;
case YAFFS_OBJECT_TYPE_HARDLINK:
in->variant.hardLinkVariant.
- equivalentObjectId =
- oh->equivalentObjectId;
+ equivalentObjectId =
+ oh->equivalentObjectId;
in->hardLinks.next =
- (struct list_head *)
- hardList;
+ (struct ylist_head *)
+ hardList;
hardList = in;
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
case YAFFS_OBJECT_TYPE_SYMLINK:
in->variant.symLinkVariant.alias =
yaffs_CloneString(oh->alias);
- if(!in->variant.symLinkVariant.alias)
+ if (!in->variant.symLinkVariant.alias)
alloc_failed = 1;
break;
}
+/*
if (parent == dev->deletedDir) {
yaffs_DestroyObject(in);
bi->hasShrinkHeader = 1;
}
+*/
}
}
}
}
- if (blockIndex) {
- YFREE(blockIndex);
- }
-
/* Ok, we've done all the scanning.
* Fix up the hard link chains.
* hardlinks.
*/
- yaffs_HardlinkFixup(dev,hardList);
+ yaffs_HardlinkFixup(dev, hardList);
- /* Handle the unlinked files. Since they were left in an unlinked state we should
- * just delete them.
- */
+ /* Fix up any shadowed objects */
{
- struct list_head *i;
- struct list_head *n;
-
- yaffs_Object *l;
- /* Soft delete all the unlinked files */
- list_for_each_safe(i, n,
- &dev->unlinkedDir->variant.directoryVariant.
- children) {
- if (i) {
- l = list_entry(i, yaffs_Object, siblings);
- yaffs_DestroyObject(l);
- }
+ struct yaffs_ShadowFixerStruct *fixer;
+ yaffs_Object *obj;
+
+ while (shadowFixerList) {
+ fixer = shadowFixerList;
+ shadowFixerList = fixer->next;
+ /* Complete the rename transaction by deleting the shadowed object
+ * then setting the object header to unshadowed.
+ */
+ obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId);
+ if (obj)
+ yaffs_DeleteObject(obj);
+
+ obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
+
+ if (obj)
+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
+
+ YFREE(fixer);
}
}
yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
- if(alloc_failed){
+ if (alloc_failed)
return YAFFS_FAIL;
- }
T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR)));
{
__u8 *chunkData;
yaffs_ObjectHeader *oh;
- yaffs_Device *dev = in->myDev;
+ yaffs_Device *dev;
yaffs_ExtendedTags tags;
int result;
int alloc_failed = 0;
- if(!in)
+ if (!in)
return;
+ dev = in->myDev;
+
#if 0
- T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR),
+ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR),
in->objectId,
in->lazyLoaded ? "not yet" : "already"));
#endif
- if(in->lazyLoaded){
+ if (in->lazyLoaded && in->hdrChunk > 0) {
in->lazyLoaded = 0;
chunkData = yaffs_GetTempBuffer(dev, __LINE__);
- result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags);
+ result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags);
oh = (yaffs_ObjectHeader *) chunkData;
in->yst_mode = oh->yst_mode;
#endif
yaffs_SetObjectName(in, oh->name);
- if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){
- in->variant.symLinkVariant.alias =
+ if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
+ in->variant.symLinkVariant.alias =
yaffs_CloneString(oh->alias);
- if(!in->variant.symLinkVariant.alias)
+ if (!in->variant.symLinkVariant.alias)
alloc_failed = 1; /* Not returned to caller */
}
- yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__);
+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
}
}
-static int yaffs_ScanBackwards(yaffs_Device * dev)
+static int yaffs_ScanBackwards(yaffs_Device *dev)
{
yaffs_ExtendedTags tags;
int blk;
yaffs_BlockState state;
yaffs_Object *hardList = NULL;
yaffs_BlockInfo *bi;
- int sequenceNumber;
+ __u32 sequenceNumber;
yaffs_ObjectHeader *oh;
yaffs_Object *in;
yaffs_Object *parent;
blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
- if(!blockIndex) {
+ if (!blockIndex) {
blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex));
altBlockIndex = 1;
}
- if(!blockIndex) {
+ if (!blockIndex) {
T(YAFFS_TRACE_SCAN,
(TSTR("yaffs_Scan() could not allocate block index!" TENDSTR)));
return YAFFS_FAIL;
bi->blockState = state;
bi->sequenceNumber = sequenceNumber;
- if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
+ if (bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT;
+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
T(YAFFS_TRACE_SCAN_DEBUG,
(TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
state, sequenceNumber));
- if(state == YAFFS_BLOCK_STATE_CHECKPOINT){
+ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
dev->blocksInCheckpoint++;
} else if (state == YAFFS_BLOCK_STATE_DEAD) {
} else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
/* Determine the highest sequence number */
- if (dev->isYaffs2 &&
- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
+ if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
blockIndex[nBlocksToScan].seq = sequenceNumber;
nBlocksToScan++;
- if (sequenceNumber >= dev->sequenceNumber) {
+ if (sequenceNumber >= dev->sequenceNumber)
dev->sequenceNumber = sequenceNumber;
- }
- } else if (dev->isYaffs2) {
+ } else {
/* TODO: Nasty sequence number! */
T(YAFFS_TRACE_SCAN,
(TSTR
/* Sort the blocks */
#ifndef CONFIG_YAFFS_USE_OWN_SORT
- yaffs_qsort(blockIndex, nBlocksToScan,
- sizeof(yaffs_BlockIndex), ybicmp);
+ {
+ /* Use qsort now. */
+ yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), ybicmp);
+ }
#else
{
- /* Dungy old bubble sort... */
+ /* Dungy old bubble sort... */
yaffs_BlockIndex temp;
int i;
YYIELD();
- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
+ T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
/* Now scan the blocks looking at the data. */
startIterator = 0;
/* For each block.... backwards */
for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator;
- blockIterator--) {
- /* Cooperative multitasking! This loop can run for so
+ blockIterator--) {
+ /* Cooperative multitasking! This loop can run for so
long that watchdog timers expire. */
- YYIELD();
+ YYIELD();
/* get the block to scan in the correct order */
blk = blockIndex[blockIterator].block;
* this is the one being allocated from
*/
- if(foundChunksInBlock)
- {
+ if (foundChunksInBlock) {
/* This is a chunk that was skipped due to failing the erased check */
-
} else if (c == 0) {
/* We're looking at the first chunk in the block so the block is unused */
state = YAFFS_BLOCK_STATE_EMPTY;
} else {
if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
state == YAFFS_BLOCK_STATE_ALLOCATING) {
- if(dev->sequenceNumber == bi->sequenceNumber) {
+ if (dev->sequenceNumber == bi->sequenceNumber) {
/* this is the block being allocated from */
T(YAFFS_TRACE_SCAN,
dev->allocationBlock = blk;
dev->allocationPage = c;
dev->allocationBlockFinder = blk;
- }
- else {
+ } else {
/* This is a partially written block that is not
* the current allocation block. This block must have
* had a write failure, so set up for retirement.
*/
- bi->needsRetiring = 1;
+ /* bi->needsRetiring = 1; ??? TODO */
bi->gcPrioritise = 1;
T(YAFFS_TRACE_ALWAYS,
- (TSTR("Partially written block %d being set for retirement" TENDSTR),
+ (TSTR("Partially written block %d detected" TENDSTR),
blk));
}
-
}
-
}
dev->nFreeChunks++;
+ } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) {
+ T(YAFFS_TRACE_SCAN,
+ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR),
+ blk, c));
+
+ dev->nFreeChunks++;
+
} else if (tags.chunkId > 0) {
/* chunkId > 0 so it is a data chunk... */
unsigned int endpos;
tags.
objectId,
YAFFS_OBJECT_TYPE_FILE);
- if(!in){
+ if (!in) {
/* Out of memory */
alloc_failed = 1;
}
&& chunkBase <
in->variant.fileVariant.shrinkSize) {
/* This has not been invalidated by a resize */
- if(!yaffs_PutChunkIntoFile(in, tags.chunkId,
- chunk, -1)){
+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId,
+ chunk, -1)) {
alloc_failed = 1;
}
scannedFileSize;
}
- } else if(in) {
+ } else if (in) {
/* This chunk has been invalidated by a resize, so delete */
yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
in = yaffs_FindOrCreateObjectByNumber
(dev, tags.objectId,
tags.extraObjectType);
+ if (!in)
+ alloc_failed = 1;
}
if (!in ||
tags.extraShadows ||
(!in->valid &&
(tags.objectId == YAFFS_OBJECTID_ROOT ||
- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))
- ) {
+ tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))) {
/* If we don't have valid info then we need to read the chunk
* TODO In future we can probably defer reading the chunk and
oh = (yaffs_ObjectHeader *) chunkData;
- if (!in)
+ if (dev->inbandTags) {
+ /* Fix up the header if they got corrupted by inband tags */
+ oh->shadowsObject = oh->inbandShadowsObject;
+ oh->isShrink = oh->inbandIsShrink;
+ }
+
+ if (!in) {
in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type);
+ if (!in)
+ alloc_failed = 1;
+ }
}
/* TODO Hoosterman we have a problem! */
T(YAFFS_TRACE_ERROR,
(TSTR
- ("yaffs tragedy: Could not make object for object %d "
- "at chunk %d during scan"
+ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan"
TENDSTR), tags.objectId, chunk));
-
+ continue;
}
if (in->valid) {
if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) &&
((oh &&
- oh-> type == YAFFS_OBJECT_TYPE_FILE)||
+ oh->type == YAFFS_OBJECT_TYPE_FILE) ||
(tags.extraHeaderInfoAvailable &&
- tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))
- ) {
+ tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) {
__u32 thisSize =
(oh) ? oh->fileSize : tags.
extraFileLength;
(oh) ? oh->
parentObjectId : tags.
extraParentObjectId;
- unsigned isShrink =
+
+
+ isShrink =
(oh) ? oh->isShrink : tags.
extraIsShrinkHeader;
thisSize;
}
- if (isShrink) {
+ if (isShrink)
bi->hasShrinkHeader = 1;
- }
}
/* Use existing - destroy this one. */
}
+ if (!in->valid && in->variantType !=
+ (oh ? oh->type : tags.extraObjectType))
+ T(YAFFS_TRACE_ERROR, (
+ TSTR("yaffs tragedy: Bad object type, "
+ TCONT("%d != %d, for object %d at chunk ")
+ TCONT("%d during scan")
+ TENDSTR), oh ?
+ oh->type : tags.extraObjectType,
+ in->variantType, tags.objectId,
+ chunk));
+
if (!in->valid &&
(tags.objectId == YAFFS_OBJECTID_ROOT ||
tags.objectId ==
/* We only load some info, don't fiddle with directory structure */
in->valid = 1;
- if(oh) {
+ if (oh) {
in->variantType = oh->type;
in->yst_mode = oh->yst_mode;
in->lazyLoaded = 1;
}
- in->chunkId = chunk;
+ in->hdrChunk = chunk;
} else if (!in->valid) {
/* we need to load this info */
in->valid = 1;
- in->chunkId = chunk;
+ in->hdrChunk = chunk;
- if(oh) {
+ if (oh) {
in->variantType = oh->type;
in->yst_mode = oh->yst_mode;
yaffs_SetObjectName(in, oh->name);
parent =
yaffs_FindOrCreateObjectByNumber
- (dev, oh->parentObjectId,
- YAFFS_OBJECT_TYPE_DIRECTORY);
+ (dev, oh->parentObjectId,
+ YAFFS_OBJECT_TYPE_DIRECTORY);
fileSize = oh->fileSize;
- isShrink = oh->isShrink;
+ isShrink = oh->isShrink;
equivalentObjectId = oh->equivalentObjectId;
- }
- else {
+ } else {
in->variantType = tags.extraObjectType;
parent =
yaffs_FindOrCreateObjectByNumber
- (dev, tags.extraParentObjectId,
- YAFFS_OBJECT_TYPE_DIRECTORY);
+ (dev, tags.extraParentObjectId,
+ YAFFS_OBJECT_TYPE_DIRECTORY);
fileSize = tags.extraFileLength;
isShrink = tags.extraIsShrinkHeader;
equivalentObjectId = tags.extraEquivalentObjectId;
}
in->dirty = 0;
+ if (!parent)
+ alloc_failed = 1;
+
/* directory stuff...
* hook up to parent
*/
- if (parent->variantType ==
+ if (parent && parent->variantType ==
YAFFS_OBJECT_TYPE_UNKNOWN) {
/* Set up as a directory */
parent->variantType =
- YAFFS_OBJECT_TYPE_DIRECTORY;
- INIT_LIST_HEAD(&parent->variant.
- directoryVariant.
- children);
- } else if (parent->variantType !=
- YAFFS_OBJECT_TYPE_DIRECTORY)
- {
+ YAFFS_OBJECT_TYPE_DIRECTORY;
+ YINIT_LIST_HEAD(&parent->variant.
+ directoryVariant.
+ children);
+ } else if (!parent || parent->variantType !=
+ YAFFS_OBJECT_TYPE_DIRECTORY) {
/* Hoosterman, another problem....
* We're trying to use a non-directory as a directory
*/
T(YAFFS_TRACE_ERROR,
(TSTR
- ("yaffs tragedy: attempting to use non-directory as"
- " a directory in scan. Put in lost+found."
+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
TENDSTR)));
parent = dev->lostNFoundDir;
}
break;
case YAFFS_OBJECT_TYPE_HARDLINK:
- if(!itsUnlinked) {
- in->variant.hardLinkVariant.equivalentObjectId =
- equivalentObjectId;
- in->hardLinks.next =
- (struct list_head *) hardList;
- hardList = in;
+ if (!itsUnlinked) {
+ in->variant.hardLinkVariant.equivalentObjectId =
+ equivalentObjectId;
+ in->hardLinks.next =
+ (struct ylist_head *) hardList;
+ hardList = in;
}
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
/* Do nothing */
break;
case YAFFS_OBJECT_TYPE_SYMLINK:
- if(oh){
- in->variant.symLinkVariant.alias =
- yaffs_CloneString(oh->
- alias);
- if(!in->variant.symLinkVariant.alias)
- alloc_failed = 1;
+ if (oh) {
+ in->variant.symLinkVariant.alias =
+ yaffs_CloneString(oh->alias);
+ if (!in->variant.symLinkVariant.alias)
+ alloc_failed = 1;
}
break;
}
* We should now have scanned all the objects, now it's time to add these
* hardlinks.
*/
- yaffs_HardlinkFixup(dev,hardList);
+ yaffs_HardlinkFixup(dev, hardList);
- /*
- * Sort out state of unlinked and deleted objects.
- */
- {
- struct list_head *i;
- struct list_head *n;
-
- yaffs_Object *l;
-
- /* Soft delete all the unlinked files */
- list_for_each_safe(i, n,
- &dev->unlinkedDir->variant.directoryVariant.
- children) {
- if (i) {
- l = list_entry(i, yaffs_Object, siblings);
- yaffs_DestroyObject(l);
- }
- }
+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
- /* Soft delete all the deletedDir files */
- list_for_each_safe(i, n,
- &dev->deletedDir->variant.directoryVariant.
- children) {
- if (i) {
- l = list_entry(i, yaffs_Object, siblings);
- yaffs_DestroyObject(l);
+ if (alloc_failed)
+ return YAFFS_FAIL;
- }
+ T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
+
+ return YAFFS_OK;
+}
+
+/*------------------------------ Directory Functions ----------------------------- */
+
+static void yaffs_VerifyObjectInDirectory(yaffs_Object *obj)
+{
+ struct ylist_head *lh;
+ yaffs_Object *listObj;
+
+ int count = 0;
+
+ if (!obj) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR)));
+ YBUG();
+ return;
+ }
+
+ if (yaffs_SkipVerification(obj->myDev))
+ return;
+
+ if (!obj->parent) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR)));
+ YBUG();
+ return;
+ }
+
+ if (obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR)));
+ YBUG();
+ }
+
+ /* Iterate through the objects in each hash entry */
+
+ ylist_for_each(lh, &obj->parent->variant.directoryVariant.children) {
+ if (lh) {
+ listObj = ylist_entry(lh, yaffs_Object, siblings);
+ yaffs_VerifyObject(listObj);
+ if (obj == listObj)
+ count++;
}
+ }
+
+ if (count != 1) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count));
+ YBUG();
}
+}
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
+static void yaffs_VerifyDirectory(yaffs_Object *directory)
+{
+ struct ylist_head *lh;
+ yaffs_Object *listObj;
- if(alloc_failed){
- return YAFFS_FAIL;
+ if (!directory) {
+ YBUG();
+ return;
}
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
+ if (yaffs_SkipFullVerification(directory->myDev))
+ return;
- return YAFFS_OK;
+ if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType));
+ YBUG();
+ }
+
+ /* Iterate through the objects in each hash entry */
+
+ ylist_for_each(lh, &directory->variant.directoryVariant.children) {
+ if (lh) {
+ listObj = ylist_entry(lh, yaffs_Object, siblings);
+ if (listObj->parent != directory) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent));
+ YBUG();
+ }
+ yaffs_VerifyObjectInDirectory(listObj);
+ }
+ }
}
-/*------------------------------ Directory Functions ----------------------------- */
-static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj)
+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj)
{
yaffs_Device *dev = obj->myDev;
+ yaffs_Object *parent;
+
+ yaffs_VerifyObjectInDirectory(obj);
+ parent = obj->parent;
+
+ yaffs_VerifyDirectory(parent);
- if(dev && dev->removeObjectCallback)
+ if (dev && dev->removeObjectCallback)
dev->removeObjectCallback(obj);
- list_del_init(&obj->siblings);
+
+ ylist_del_init(&obj->siblings);
obj->parent = NULL;
+
+ yaffs_VerifyDirectory(parent);
}
-static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
- yaffs_Object * obj)
+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
+ yaffs_Object *obj)
{
-
if (!directory) {
T(YAFFS_TRACE_ALWAYS,
(TSTR
("tragedy: Trying to add an object to a null pointer directory"
TENDSTR)));
YBUG();
+ return;
}
if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
T(YAFFS_TRACE_ALWAYS,
if (obj->siblings.prev == NULL) {
/* Not initialised */
- INIT_LIST_HEAD(&obj->siblings);
-
- } else if (!list_empty(&obj->siblings)) {
- /* If it is holed up somewhere else, un hook it */
- yaffs_RemoveObjectFromDirectory(obj);
+ YBUG();
}
+
+
+ yaffs_VerifyDirectory(directory);
+
+ yaffs_RemoveObjectFromDirectory(obj);
+
+
/* Now add it */
- list_add(&obj->siblings, &directory->variant.directoryVariant.children);
+ ylist_add(&obj->siblings, &directory->variant.directoryVariant.children);
obj->parent = directory;
if (directory == obj->myDev->unlinkedDir
- || directory == obj->myDev->deletedDir) {
+ || directory == obj->myDev->deletedDir) {
obj->unlinked = 1;
obj->myDev->nUnlinkedFiles++;
obj->renameAllowed = 0;
}
+
+ yaffs_VerifyDirectory(directory);
+ yaffs_VerifyObjectInDirectory(obj);
}
-yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory,
- const YCHAR * name)
+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory,
+ const YCHAR *name)
{
int sum;
- struct list_head *i;
+ struct ylist_head *i;
YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1];
yaffs_Object *l;
- if (!name) {
+ if (!name)
return NULL;
- }
if (!directory) {
T(YAFFS_TRACE_ALWAYS,
("tragedy: yaffs_FindObjectByName: null pointer directory"
TENDSTR)));
YBUG();
+ return NULL;
}
if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
T(YAFFS_TRACE_ALWAYS,
sum = yaffs_CalcNameSum(name);
- list_for_each(i, &directory->variant.directoryVariant.children) {
+ ylist_for_each(i, &directory->variant.directoryVariant.children) {
if (i) {
- l = list_entry(i, yaffs_Object, siblings);
+ l = ylist_entry(i, yaffs_Object, siblings);
+
+ if (l->parent != directory)
+ YBUG();
yaffs_CheckObjectDetailsLoaded(l);
/* Special case for lost-n-found */
if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
- if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) {
+ if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0)
return l;
- }
- } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0)
- {
- /* LostnFound cunk called Objxxx
+ } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) {
+ /* LostnFound chunk called Objxxx
* Do a real check
*/
yaffs_GetObjectName(l, buffer,
YAFFS_MAX_NAME_LENGTH);
- if (yaffs_strncmp(name, buffer,YAFFS_MAX_NAME_LENGTH) == 0) {
+ if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
return l;
- }
-
}
}
}
#if 0
-int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
- int (*fn) (yaffs_Object *))
+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
+ int (*fn) (yaffs_Object *))
{
- struct list_head *i;
+ struct ylist_head *i;
yaffs_Object *l;
if (!theDir) {
("tragedy: yaffs_FindObjectByName: null pointer directory"
TENDSTR)));
YBUG();
+ return YAFFS_FAIL;
}
if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
T(YAFFS_TRACE_ALWAYS,
(TSTR
("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR)));
YBUG();
+ return YAFFS_FAIL;
}
- list_for_each(i, &theDir->variant.directoryVariant.children) {
+ ylist_for_each(i, &theDir->variant.directoryVariant.children) {
if (i) {
- l = list_entry(i, yaffs_Object, siblings);
- if (l && !fn(l)) {
+ l = ylist_entry(i, yaffs_Object, siblings);
+ if (l && !fn(l))
return YAFFS_FAIL;
- }
}
}
* actual object.
*/
-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj)
+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj)
{
if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
/* We want the object id of the equivalent object, not this one */
yaffs_CheckObjectDetailsLoaded(obj);
}
return obj;
-
}
-int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize)
+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize)
{
memset(name, 0, buffSize * sizeof(YCHAR));
if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1);
- } else if (obj->chunkId <= 0) {
+ } else if (obj->hdrChunk <= 0) {
YCHAR locName[20];
+ YCHAR numString[20];
+ YCHAR *x = &numString[19];
+ unsigned v = obj->objectId;
+ numString[19] = 0;
+ while (v > 0) {
+ x--;
+ *x = '0' + (v % 10);
+ v /= 10;
+ }
/* make up a name */
- yaffs_sprintf(locName, _Y("%s%d"), YAFFS_LOSTNFOUND_PREFIX,
- obj->objectId);
+ yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX);
+ yaffs_strcat(locName, x);
yaffs_strncpy(name, locName, buffSize - 1);
}
#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
- else if (obj->shortName[0]) {
+ else if (obj->shortName[0])
yaffs_strcpy(name, obj->shortName);
- }
#endif
else {
int result;
memset(buffer, 0, obj->myDev->nDataBytesPerChunk);
- if (obj->chunkId >= 0) {
+ if (obj->hdrChunk > 0) {
result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev,
- obj->chunkId, buffer,
+ obj->hdrChunk, buffer,
NULL);
}
yaffs_strncpy(name, oh->name, buffSize - 1);
return yaffs_strlen(name);
}
-int yaffs_GetObjectFileLength(yaffs_Object * obj)
+int yaffs_GetObjectFileLength(yaffs_Object *obj)
{
-
/* Dereference any hard linking */
obj = yaffs_GetEquivalentObject(obj);
- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
return obj->variant.fileVariant.fileSize;
- }
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
return yaffs_strlen(obj->variant.symLinkVariant.alias);
- } else {
+ else {
/* Only a directory should drop through to here */
return obj->myDev->nDataBytesPerChunk;
}
}
-int yaffs_GetObjectLinkCount(yaffs_Object * obj)
+int yaffs_GetObjectLinkCount(yaffs_Object *obj)
{
int count = 0;
- struct list_head *i;
+ struct ylist_head *i;
- if (!obj->unlinked) {
- count++; /* the object itself */
- }
- list_for_each(i, &obj->hardLinks) {
- count++; /* add the hard links; */
- }
- return count;
+ if (!obj->unlinked)
+ count++; /* the object itself */
+
+ ylist_for_each(i, &obj->hardLinks)
+ count++; /* add the hard links; */
+ return count;
}
-int yaffs_GetObjectInode(yaffs_Object * obj)
+int yaffs_GetObjectInode(yaffs_Object *obj)
{
obj = yaffs_GetEquivalentObject(obj);
return obj->objectId;
}
-unsigned yaffs_GetObjectType(yaffs_Object * obj)
+unsigned yaffs_GetObjectType(yaffs_Object *obj)
{
obj = yaffs_GetEquivalentObject(obj);
}
}
-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj)
+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj)
{
obj = yaffs_GetEquivalentObject(obj);
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
return yaffs_CloneString(obj->variant.symLinkVariant.alias);
- } else {
+ else
return yaffs_CloneString(_Y(""));
- }
}
#ifndef CONFIG_YAFFS_WINCE
-int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr)
+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr)
{
unsigned int valid = attr->ia_valid;
return YAFFS_OK;
}
-int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr)
+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr)
{
unsigned int valid = 0;
attr->ia_valid = valid;
return YAFFS_OK;
-
}
#endif
#if 0
-int yaffs_DumpObject(yaffs_Object * obj)
+int yaffs_DumpObject(yaffs_Object *obj)
{
YCHAR name[257];
("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d"
" chunk %d type %d size %d\n"
TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name,
- obj->dirty, obj->valid, obj->serial, obj->sum, obj->chunkId,
+ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk,
yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj)));
return YAFFS_OK;
/*---------------------------- Initialisation code -------------------------------------- */
-static int yaffs_CheckDevFunctions(const yaffs_Device * dev)
+static int yaffs_CheckDevFunctions(const yaffs_Device *dev)
{
/* Common functions, gotta have */
yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND,
YAFFS_LOSTNFOUND_MODE | S_IFDIR);
- if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){
+ if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) {
yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir);
return YAFFS_OK;
}
return YAFFS_FAIL;
}
-int yaffs_GutsInitialise(yaffs_Device * dev)
+int yaffs_GutsInitialise(yaffs_Device *dev)
{
int init_failed = 0;
unsigned x;
dev->chunkOffset = 0;
dev->nFreeChunks = 0;
+ dev->gcBlock = -1;
+
if (dev->startBlock == 0) {
dev->internalStartBlock = dev->startBlock + 1;
dev->internalEndBlock = dev->endBlock + 1;
/* Check geometry parameters. */
- if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) ||
- (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) ||
+ if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) ||
+ (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) ||
+ (dev->inbandTags && !dev->isYaffs2) ||
dev->nChunksPerBlock < 2 ||
dev->nReservedBlocks < 2 ||
dev->internalStartBlock <= 0 ||
dev->internalEndBlock <= 0 ||
- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small
- ) {
+ dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */
T(YAFFS_TRACE_ALWAYS,
(TSTR
- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s "
- TENDSTR), dev->nDataBytesPerChunk, dev->isYaffs2 ? "2" : ""));
+ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d "
+ TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags));
return YAFFS_FAIL;
}
return YAFFS_FAIL;
}
+ /* Sort out space for inband tags, if required */
+ if (dev->inbandTags)
+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart);
+ else
+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk;
+
/* Got the right mix of functions? */
if (!yaffs_CheckDevFunctions(dev)) {
/* Function missing */
dev->isMounted = 1;
-
-
/* OK now calculate a few things for the device */
/*
* Calculate all the chunk size manipulation numbers:
*/
- /* Start off assuming it is a power of 2 */
- dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk);
- dev->chunkMask = (1<<dev->chunkShift) - 1;
-
- if(dev->nDataBytesPerChunk == (dev->chunkMask + 1)){
- /* Yes it is a power of 2, disable crumbs */
- dev->crumbMask = 0;
- dev->crumbShift = 0;
- dev->crumbsPerChunk = 0;
- } else {
- /* Not a power of 2, use crumbs instead */
- dev->crumbShift = ShiftDiv(sizeof(yaffs_PackedTags2TagsPart));
- dev->crumbMask = (1<<dev->crumbShift)-1;
- dev->crumbsPerChunk = dev->nDataBytesPerChunk/(1 << dev->crumbShift);
- dev->chunkShift = 0;
- dev->chunkMask = 0;
- }
-
+ x = dev->nDataBytesPerChunk;
+ /* We always use dev->chunkShift and dev->chunkDiv */
+ dev->chunkShift = Shifts(x);
+ x >>= dev->chunkShift;
+ dev->chunkDiv = x;
+ /* We only use chunk mask if chunkDiv is 1 */
+ dev->chunkMask = (1<<dev->chunkShift) - 1;
/*
* Calculate chunkGroupBits.
bits = ShiftsGE(x);
/* Set up tnode width if wide tnodes are enabled. */
- if(!dev->wideTnodesDisabled){
+ if (!dev->wideTnodesDisabled) {
/* bits must be even so that we end up with 32-bit words */
- if(bits & 1)
+ if (bits & 1)
bits++;
- if(bits < 16)
+ if (bits < 16)
dev->tnodeWidth = 16;
else
dev->tnodeWidth = bits;
- }
- else
+ } else
dev->tnodeWidth = 16;
dev->tnodeMask = (1<<dev->tnodeWidth)-1;
dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */
/* Initialise temporary buffers and caches. */
- if(!yaffs_InitialiseTempBuffers(dev))
+ if (!yaffs_InitialiseTempBuffers(dev))
init_failed = 1;
dev->srCache = NULL;
if (!init_failed &&
dev->nShortOpCaches > 0) {
int i;
- __u8 *buf;
+ void *buf;
int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache);
- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) {
+ if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES)
dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES;
- }
- buf = dev->srCache = YMALLOC(srCacheBytes);
+ dev->srCache = YMALLOC(srCacheBytes);
+
+ buf = (__u8 *) dev->srCache;
- if(dev->srCache)
- memset(dev->srCache,0,srCacheBytes);
+ if (dev->srCache)
+ memset(dev->srCache, 0, srCacheBytes);
for (i = 0; i < dev->nShortOpCaches && buf; i++) {
dev->srCache[i].object = NULL;
dev->srCache[i].lastUse = 0;
dev->srCache[i].dirty = 0;
- dev->srCache[i].data = buf = YMALLOC_DMA(dev->nDataBytesPerChunk);
+ dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk);
}
- if(!buf)
+ if (!buf)
init_failed = 1;
dev->srLastUse = 0;
dev->cacheHits = 0;
- if(!init_failed){
+ if (!init_failed) {
dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32));
- if(!dev->gcCleanupList)
+ if (!dev->gcCleanupList)
init_failed = 1;
}
- if (dev->isYaffs2) {
+ if (dev->isYaffs2)
dev->useHeaderFileSize = 1;
- }
- if(!init_failed && !yaffs_InitialiseBlocks(dev))
+
+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
init_failed = 1;
yaffs_InitialiseTnodes(dev);
yaffs_InitialiseObjects(dev);
- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
init_failed = 1;
- if(!init_failed){
+ if (!init_failed) {
/* Now scan the flash. */
if (dev->isYaffs2) {
- if(yaffs_CheckpointRestore(dev)) {
+ if (yaffs_CheckpointRestore(dev)) {
+ yaffs_CheckObjectDetailsLoaded(dev->rootDir);
T(YAFFS_TRACE_ALWAYS,
(TSTR("yaffs: restored from checkpoint" TENDSTR)));
} else {
dev->nBackgroundDeletions = 0;
dev->oldestDirtySequence = 0;
- if(!init_failed && !yaffs_InitialiseBlocks(dev))
+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
init_failed = 1;
yaffs_InitialiseTnodes(dev);
yaffs_InitialiseObjects(dev);
- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
init_failed = 1;
- if(!init_failed && !yaffs_ScanBackwards(dev))
+ if (!init_failed && !yaffs_ScanBackwards(dev))
init_failed = 1;
}
- }else
- if(!yaffs_Scan(dev))
+ } else if (!yaffs_Scan(dev))
init_failed = 1;
+
+ yaffs_StripDeletedObjects(dev);
}
- if(init_failed){
+ if (init_failed) {
/* Clean up the mess */
T(YAFFS_TRACE_TRACING,
(TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR)));
}
-void yaffs_Deinitialise(yaffs_Device * dev)
+void yaffs_Deinitialise(yaffs_Device *dev)
{
if (dev->isMounted) {
int i;
dev->srCache) {
for (i = 0; i < dev->nShortOpCaches; i++) {
- if(dev->srCache[i].data)
+ if (dev->srCache[i].data)
YFREE(dev->srCache[i].data);
dev->srCache[i].data = NULL;
}
YFREE(dev->gcCleanupList);
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
YFREE(dev->tempBuffer[i].buffer);
- }
dev->isMounted = 0;
- }
+ if (dev->deinitialiseNAND)
+ dev->deinitialiseNAND(dev);
+ }
}
-static int yaffs_CountFreeChunks(yaffs_Device * dev)
+static int yaffs_CountFreeChunks(yaffs_Device *dev)
{
int nFree;
int b;
yaffs_BlockInfo *blk;
for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock;
- b++) {
+ b++) {
blk = yaffs_GetBlockInfo(dev, b);
switch (blk->blockState) {
default:
break;
}
-
}
return nFree;
}
-int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev)
+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev)
{
/* This is what we report to the outside world */
int nFree;
int nDirtyCacheChunks;
int blocksForCheckpoint;
+ int i;
#if 1
nFree = dev->nFreeChunks;
/* Now count the number of dirty chunks in the cache and subtract those */
- {
- int i;
- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
- if (dev->srCache[i].dirty)
- nDirtyCacheChunks++;
- }
+ for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
+ if (dev->srCache[i].dirty)
+ nDirtyCacheChunks++;
}
nFree -= nDirtyCacheChunks;
nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock);
/* Now we figure out how much to reserve for the checkpoint and report that... */
- blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
- if(blocksForCheckpoint < 0)
+ blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
+ if (blocksForCheckpoint < 0)
blocksForCheckpoint = 0;
nFree -= (blocksForCheckpoint * dev->nChunksPerBlock);
static int yaffs_freeVerificationFailures;
-static void yaffs_VerifyFreeChunks(yaffs_Device * dev)
+static void yaffs_VerifyFreeChunks(yaffs_Device *dev)
{
int counted;
int difference;
- if(yaffs_SkipVerification(dev))
+ if (yaffs_SkipVerification(dev))
return;
counted = yaffs_CountFreeChunks(dev);
/*---------------------------------------- YAFFS test code ----------------------*/
-#define yaffs_CheckStruct(structure,syze, name) \
- if(sizeof(structure) != syze) \
- { \
- T(YAFFS_TRACE_ALWAYS,(TSTR("%s should be %d but is %d\n" TENDSTR),\
- name,syze,sizeof(structure))); \
- return YAFFS_FAIL; \
- }
+#define yaffs_CheckStruct(structure, syze, name) \
+ do { \
+ if (sizeof(structure) != syze) { \
+ T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\
+ name, syze, sizeof(structure))); \
+ return YAFFS_FAIL; \
+ } \
+ } while (0)
static int yaffs_CheckStructures(void)
{
-/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags") */
-/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion") */
-/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare") */
+/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */
+/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */
+/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */
#ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG
- yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode")
+ yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode");
#endif
- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader")
-
- return YAFFS_OK;
+#ifndef CONFIG_YAFFS_WINCE
+ yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
+#endif
+ return YAFFS_OK;
}
#define YAFFS_MAX_SHORT_OP_CACHES 20
-#define YAFFS_N_TEMP_BUFFERS 4
+#define YAFFS_N_TEMP_BUFFERS 6
/* We limit the number attempts at sucessfully saving a chunk of data.
* Small-page devices have 32 pages per block; large-page devices have 64.
#define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000
#define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xEFFFFF00
+/* Special sequence number for bad block that failed to be marked bad */
+#define YAFFS_SEQUENCE_BAD_BLOCK 0xFFFF0000
+
/* ChunkCache is used for short read/write operations.*/
typedef struct {
struct yaffs_ObjectStruct *object;
typedef struct {
unsigned chunkId:20;
unsigned serialNumber:2;
- unsigned byteCount:10;
+ unsigned byteCountLSB:10;
unsigned objectId:18;
unsigned ecc:12;
- unsigned unusedStuff:2;
-
+ unsigned byteCountMSB:2;
} yaffs_Tags;
typedef union {
int softDeletions:10; /* number of soft deleted pages */
int pagesInUse:10; /* number of pages in use */
- yaffs_BlockState blockState:4; /* One of the above block states */
+ unsigned blockState:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */
__u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */
- /* and retire the block. */
- __u32 skipErasedCheck: 1; /* If this is set we can skip the erased check on this block */
- __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block.
+ /* and retire the block. */
+ __u32 skipErasedCheck:1; /* If this is set we can skip the erased check on this block */
+ __u32 gcPrioritise:1; /* An ECC check or blank check has failed on this block.
It should be prioritised for GC */
- __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
+ __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
#ifdef CONFIG_YAFFS_YAFFS2
__u32 hasShrinkHeader:1; /* This block has at least one shrink object header */
/* Apply to everything */
int parentObjectId;
- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
+ __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
- /* Thes following apply to directories, files, symlinks - not hard links */
- __u32 yst_mode; /* protection */
+ /* The following apply to directories, files, symlinks - not hard links */
+ __u32 yst_mode; /* protection */
#ifdef CONFIG_YAFFS_WINCE
__u32 notForWinCE[5];
__u32 win_ctime[2];
__u32 win_atime[2];
__u32 win_mtime[2];
- __u32 roomToGrow[4];
#else
- __u32 roomToGrow[10];
+ __u32 roomToGrow[6];
+
#endif
+ __u32 inbandShadowsObject;
+ __u32 inbandIsShrink;
+ __u32 reservedSpace[2];
int shadowsObject; /* This object header shadows the specified object if > 0 */
/* isShrink applies to object headers written when we shrink the file (ie resize) */
} yaffs_FileStructure;
typedef struct {
- struct list_head children; /* list of child links */
+ struct ylist_head children; /* list of child links */
} yaffs_DirectoryStructure;
typedef struct {
* still in the inode cache. Free of object is defered.
* until the inode is released.
*/
+ __u8 beingCreated:1; /* This object is still being created so skip some checks. */
__u8 serial; /* serial number of chunk in NAND. Cached here */
__u16 sum; /* sum of the name to speed searching */
- struct yaffs_DeviceStruct *myDev; /* The device I'm on */
+ struct yaffs_DeviceStruct *myDev; /* The device I'm on */
- struct list_head hashLink; /* list of objects in this hash bucket */
+ struct ylist_head hashLink; /* list of objects in this hash bucket */
- struct list_head hardLinks; /* all the equivalent hard linked objects */
+ struct ylist_head hardLinks; /* all the equivalent hard linked objects */
/* directory structure stuff */
/* also used for linking up the free list */
struct yaffs_ObjectStruct *parent;
- struct list_head siblings;
+ struct ylist_head siblings;
/* Where's my object header in NAND? */
- int chunkId;
+ int hdrChunk;
int nDataChunks; /* Number of data chunks attached to the file. */
typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
typedef struct {
- struct list_head list;
+ struct ylist_head list;
int count;
} yaffs_ObjectBucket;
*/
typedef struct {
- int structType;
+ int structType;
__u32 objectId;
__u32 parentId;
- int chunkId;
-
+ int hdrChunk;
yaffs_ObjectType variantType:3;
__u8 deleted:1;
__u8 softDeleted:1;
int nDataChunks;
__u32 fileSizeOrEquivalentObjectId;
-
-}yaffs_CheckpointObject;
+} yaffs_CheckpointObject;
/*--------------------- Temporary buffers ----------------
*
/*----------------- Device ---------------------------------*/
struct yaffs_DeviceStruct {
- struct list_head devList;
+ struct ylist_head devList;
const char *name;
/* Entry parameters set up way early. Yaffs sets up the rest.*/
int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */
int nChunksPerBlock; /* does not need to be a power of 2 */
- int nBytesPerSpare; /* spare area size */
+ int spareBytesPerChunk; /* spare area size */
int startBlock; /* Start block we're allowed to use */
int endBlock; /* End block we're allowed to use */
int nReservedBlocks; /* We want this tuneable so that we can reduce */
/* Stuff used by the shared space checkpointing mechanism */
/* If this value is zero, then this mechanism is disabled */
- int nCheckpointReservedBlocks; /* Blocks to reserve for checkpoint data */
-
-
+/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */
int nShortOpCaches; /* If <= 0, then short op caching is disabled, else
void *genericDevice; /* Pointer to device context
* On an mtd this holds the mtd pointer.
*/
- void *superBlock;
+ void *superBlock;
/* NAND access functions (Must be set before calling YAFFS)*/
- int (*writeChunkToNAND) (struct yaffs_DeviceStruct * dev,
- int chunkInNAND, const __u8 * data,
- const yaffs_Spare * spare);
- int (*readChunkFromNAND) (struct yaffs_DeviceStruct * dev,
- int chunkInNAND, __u8 * data,
- yaffs_Spare * spare);
- int (*eraseBlockInNAND) (struct yaffs_DeviceStruct * dev,
- int blockInNAND);
- int (*initialiseNAND) (struct yaffs_DeviceStruct * dev);
+ int (*writeChunkToNAND) (struct yaffs_DeviceStruct *dev,
+ int chunkInNAND, const __u8 *data,
+ const yaffs_Spare *spare);
+ int (*readChunkFromNAND) (struct yaffs_DeviceStruct *dev,
+ int chunkInNAND, __u8 *data,
+ yaffs_Spare *spare);
+ int (*eraseBlockInNAND) (struct yaffs_DeviceStruct *dev,
+ int blockInNAND);
+ int (*initialiseNAND) (struct yaffs_DeviceStruct *dev);
+ int (*deinitialiseNAND) (struct yaffs_DeviceStruct *dev);
#ifdef CONFIG_YAFFS_YAFFS2
- int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct * dev,
- int chunkInNAND, const __u8 * data,
- const yaffs_ExtendedTags * tags);
- int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct * dev,
- int chunkInNAND, __u8 * data,
- yaffs_ExtendedTags * tags);
- int (*markNANDBlockBad) (struct yaffs_DeviceStruct * dev, int blockNo);
- int (*queryNANDBlock) (struct yaffs_DeviceStruct * dev, int blockNo,
- yaffs_BlockState * state, int *sequenceNumber);
+ int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct *dev,
+ int chunkInNAND, const __u8 *data,
+ const yaffs_ExtendedTags *tags);
+ int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct *dev,
+ int chunkInNAND, __u8 *data,
+ yaffs_ExtendedTags *tags);
+ int (*markNANDBlockBad) (struct yaffs_DeviceStruct *dev, int blockNo);
+ int (*queryNANDBlock) (struct yaffs_DeviceStruct *dev, int blockNo,
+ yaffs_BlockState *state, __u32 *sequenceNumber);
#endif
int isYaffs2;
void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
/* Callback to mark the superblock dirsty */
- void (*markSuperBlockDirty)(void * superblock);
+ void (*markSuperBlockDirty)(void *superblock);
int wideTnodesDisabled; /* Set to disable wide tnodes */
+ YCHAR *pathDividers; /* String of legal path dividers */
+
/* End of stuff that must be set before initialisation. */
__u32 tnodeWidth;
__u32 tnodeMask;
- /* Stuff to support various file offses to chunk/offset translations */
- /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */
- __u32 crumbMask;
- __u32 crumbShift;
- __u32 crumbsPerChunk;
-
- /* Straight shifting for nDataBytesPerChunk being a power of 2 */
- __u32 chunkShift;
- __u32 chunkMask;
+ /* Stuff for figuring out file offset to chunk conversions */
+ __u32 chunkShift; /* Shift value */
+ __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */
+ __u32 chunkMask; /* Mask to use for power-of-2 case */
+ /* Stuff to handle inband tags */
+ int inbandTags;
+ __u32 totalBytesPerChunk;
#ifdef __KERNEL__
__u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer
* at compile time so we have to allocate it.
*/
- void (*putSuperFunc) (struct super_block * sb);
+ void (*putSuperFunc) (struct super_block *sb);
#endif
int isMounted;
__u32 checkpointSum;
__u32 checkpointXor;
+ int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */
+
/* Block Info */
yaffs_BlockInfo *blockInfo;
__u8 *chunkBits; /* bitmap of chunks in use */
yaffs_TnodeList *allocatedTnodeList;
int isDoingGC;
+ int gcBlock;
+ int gcChunk;
int nObjectsCreated;
yaffs_Object *freeObjects;
int nFreeObjects;
+ int nHardLinks;
+
yaffs_ObjectList *allocatedObjectList;
yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS];
int nBackgroundDeletions; /* Count of background deletions. */
+ /* Temporary buffer management */
yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS];
int maxTemp;
+ int tempInUse;
int unmanagedTempAllocations;
int unmanagedTempDeallocations;
typedef struct yaffs_DeviceStruct yaffs_Device;
-/* The static layout of bllock usage etc is stored in the super block header */
+/* The static layout of block usage etc is stored in the super block header */
typedef struct {
- int StructType;
+ int StructType;
int version;
int checkpointStartBlock;
int checkpointEndBlock;
* must be preserved over unmount/mount cycles.
*/
typedef struct {
- int structType;
+ int structType;
int nErasedBlocks;
int allocationBlock; /* Current block being allocated off */
__u32 allocationPage;
typedef struct {
- int structType;
- __u32 magic;
- __u32 version;
- __u32 head;
+ int structType;
+ __u32 magic;
+ __u32 version;
+ __u32 head;
} yaffs_CheckpointValidity;
-/* Function to manipulate block info */
-static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
-{
- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
- blk));
- YBUG();
- }
- return &dev->blockInfo[blk - dev->internalStartBlock];
-}
/*----------------------- YAFFS Functions -----------------------*/
-int yaffs_GutsInitialise(yaffs_Device * dev);
-void yaffs_Deinitialise(yaffs_Device * dev);
+int yaffs_GutsInitialise(yaffs_Device *dev);
+void yaffs_Deinitialise(yaffs_Device *dev);
-int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev);
+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev);
-int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
- yaffs_Object * newDir, const YCHAR * newName);
+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
+ yaffs_Object *newDir, const YCHAR *newName);
-int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name);
-int yaffs_DeleteFile(yaffs_Object * obj);
+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name);
+int yaffs_DeleteObject(yaffs_Object *obj);
-int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize);
-int yaffs_GetObjectFileLength(yaffs_Object * obj);
-int yaffs_GetObjectInode(yaffs_Object * obj);
-unsigned yaffs_GetObjectType(yaffs_Object * obj);
-int yaffs_GetObjectLinkCount(yaffs_Object * obj);
+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize);
+int yaffs_GetObjectFileLength(yaffs_Object *obj);
+int yaffs_GetObjectInode(yaffs_Object *obj);
+unsigned yaffs_GetObjectType(yaffs_Object *obj);
+int yaffs_GetObjectLinkCount(yaffs_Object *obj);
-int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr);
-int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr);
+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr);
+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr);
/* File operations */
-int yaffs_ReadDataFromFile(yaffs_Object * obj, __u8 * buffer, loff_t offset,
- int nBytes);
-int yaffs_WriteDataToFile(yaffs_Object * obj, const __u8 * buffer, loff_t offset,
- int nBytes, int writeThrough);
-int yaffs_ResizeFile(yaffs_Object * obj, loff_t newSize);
+int yaffs_ReadDataFromFile(yaffs_Object *obj, __u8 *buffer, loff_t offset,
+ int nBytes);
+int yaffs_WriteDataToFile(yaffs_Object *obj, const __u8 *buffer, loff_t offset,
+ int nBytes, int writeThrough);
+int yaffs_ResizeFile(yaffs_Object *obj, loff_t newSize);
-yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
- __u32 mode, __u32 uid, __u32 gid);
-int yaffs_FlushFile(yaffs_Object * obj, int updateTime);
+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid);
+int yaffs_FlushFile(yaffs_Object *obj, int updateTime);
/* Flushing and checkpointing */
void yaffs_FlushEntireDeviceCache(yaffs_Device *dev);
int yaffs_CheckpointRestore(yaffs_Device *dev);
/* Directory operations */
-yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
- __u32 mode, __u32 uid, __u32 gid);
-yaffs_Object *yaffs_FindObjectByName(yaffs_Object * theDir, const YCHAR * name);
-int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid);
+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *theDir, const YCHAR *name);
+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
int (*fn) (yaffs_Object *));
-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number);
+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number);
/* Link operations */
-yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
- yaffs_Object * equivalentObject);
+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
+ yaffs_Object *equivalentObject);
-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj);
+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj);
/* Symlink operations */
-yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
__u32 mode, __u32 uid, __u32 gid,
- const YCHAR * alias);
-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj);
+ const YCHAR *alias);
+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj);
/* Special inodes (fifos, sockets and devices) */
-yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
__u32 mode, __u32 uid, __u32 gid, __u32 rdev);
/* Special directories */
-yaffs_Object *yaffs_Root(yaffs_Device * dev);
-yaffs_Object *yaffs_LostNFound(yaffs_Device * dev);
+yaffs_Object *yaffs_Root(yaffs_Device *dev);
+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev);
#ifdef CONFIG_YAFFS_WINCE
/* CONFIG_YAFFS_WINCE special stuff */
#ifdef __KERNEL__
-void yaffs_HandleDeferedFree(yaffs_Object * obj);
+void yaffs_HandleDeferedFree(yaffs_Object *obj);
#endif
/* Debug dump */
-int yaffs_DumpObject(yaffs_Object * obj);
+int yaffs_DumpObject(yaffs_Object *obj);
-void yaffs_GutsTest(yaffs_Device * dev);
+void yaffs_GutsTest(yaffs_Device *dev);
/* A few useful functions */
-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
-void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn);
-int yaffs_CheckFF(__u8 * buffer, int nBytes);
+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn);
+int yaffs_CheckFF(__u8 *buffer, int nBytes);
void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi);
+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
+
#endif
*/
const char *yaffs_mtdif_c_version =
- "$Id: yaffs_mtdif.c,v 1.19 2007-02-14 01:09:06 wookey Exp $";
+ "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $";
#include "yportenv.h"
#include "linux/time.h"
#include "linux/mtd/nand.h"
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
static struct nand_oobinfo yaffs_oobinfo = {
.useecc = 1,
.eccbytes = 6,
};
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob)
{
oob[0] = spare->tagByte0;
oob[3] = spare->tagByte3;
oob[4] = spare->tagByte4;
oob[5] = spare->tagByte5 & 0x3f;
- oob[5] |= spare->blockStatus == 'Y' ? 0: 0x80;
- oob[5] |= spare->pageStatus == 0 ? 0: 0x40;
+ oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80;
+ oob[5] |= spare->pageStatus == 0 ? 0 : 0x40;
oob[6] = spare->tagByte6;
oob[7] = spare->tagByte7;
}
}
#endif
-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data, const yaffs_Spare * spare)
+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data, const yaffs_Spare *spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
__u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
return YAFFS_FAIL;
}
-int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
- yaffs_Spare * spare)
+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
+ yaffs_Spare *spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
__u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
return YAFFS_FAIL;
}
-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
__u32 addr =
return YAFFS_FAIL;
}
-int nandmtd_InitialiseNAND(yaffs_Device * dev)
+int nandmtd_InitialiseNAND(yaffs_Device *dev)
{
return YAFFS_OK;
}
#include "yaffs_guts.h"
-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data, const yaffs_Spare * spare);
-int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
- yaffs_Spare * spare);
-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber);
-int nandmtd_InitialiseNAND(yaffs_Device * dev);
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
+extern struct nand_oobinfo yaffs_oobinfo;
+extern struct nand_oobinfo yaffs_noeccinfo;
+#endif
+
+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data, const yaffs_Spare *spare);
+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
+ yaffs_Spare *spare);
+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
+int nandmtd_InitialiseNAND(yaffs_Device *dev);
#endif
#include "yportenv.h"
#include "yaffs_guts.h"
#include "yaffs_packedtags1.h"
-#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC
+#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
#include "linux/kernel.h"
#include "linux/version.h"
#include "linux/mtd/mtd.h"
/* Don't compile this module if we don't have MTD's mtd_oob_ops interface */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
-const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.3 2007/05/15 20:16:11 ian Exp $";
+const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $";
#ifndef CONFIG_YAFFS_9BYTE_TAGS
# define YTAG1_SIZE 8
* Returns YAFFS_OK or YAFFS_FAIL.
*/
int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
- int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags)
+ int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
{
- struct mtd_info * mtd = dev->genericDevice;
+ struct mtd_info *mtd = dev->genericDevice;
int chunkBytes = dev->nDataBytesPerChunk;
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
struct mtd_oob_ops ops;
/* Return with empty ExtendedTags but add eccResult.
*/
-static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval)
+static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval)
{
if (etags) {
memset(etags, 0, sizeof(*etags));
* Returns YAFFS_OK or YAFFS_FAIL.
*/
int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
- int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags)
+ int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
{
- struct mtd_info * mtd = dev->genericDevice;
+ struct mtd_info *mtd = dev->genericDevice;
int chunkBytes = dev->nDataBytesPerChunk;
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
int eccres = YAFFS_ECC_RESULT_NO_ERROR;
ops.datbuf = data;
ops.oobbuf = (__u8 *)&pt1;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20))
/* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug;
* help it out with ops.len = ops.ooblen when ops.datbuf == NULL.
*/
*/
int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
{
- struct mtd_info * mtd = dev->genericDevice;
+ struct mtd_info *mtd = dev->genericDevice;
int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
int retval;
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo);
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
return (retval) ? YAFFS_FAIL : YAFFS_OK;
*
* Returns YAFFS_OK or YAFFS_FAIL.
*/
-static int nandmtd1_TestPrerequists(struct mtd_info * mtd)
+static int nandmtd1_TestPrerequists(struct mtd_info *mtd)
{
/* 2.6.18 has mtd->ecclayout->oobavail */
/* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */
* Always returns YAFFS_OK.
*/
int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState * pState, int *pSequenceNumber)
+ yaffs_BlockState *pState, __u32 *pSequenceNumber)
{
- struct mtd_info * mtd = dev->genericDevice;
+ struct mtd_info *mtd = dev->genericDevice;
int chunkNo = blockNo * dev->nChunksPerBlock;
+ loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
yaffs_ExtendedTags etags;
int state = YAFFS_BLOCK_STATE_DEAD;
int seqnum = 0;
/* We don't yet have a good place to test for MTD config prerequists.
* Do it here as we are called during the initial scan.
*/
- if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) {
+ if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK)
return YAFFS_FAIL;
- }
retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
+ etags.blockBad = (mtd->block_isbad)(mtd, addr);
if (etags.blockBad) {
yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
- "block %d is marked bad", blockNo);
+ "block %d is marked bad\n", blockNo);
state = YAFFS_BLOCK_STATE_DEAD;
- }
- else if (etags.chunkUsed) {
+ } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
+ /* bad tags, need to look more closely */
+ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+ } else if (etags.chunkUsed) {
state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
seqnum = etags.sequenceNumber;
- }
- else {
+ } else {
state = YAFFS_BLOCK_STATE_EMPTY;
}
return YAFFS_OK;
}
-#endif /*KERNEL_VERSION*/
+#endif /*MTD_VERSION*/
#ifndef __YAFFS_MTDIF1_H__
#define __YAFFS_MTDIF1_H__
-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data, const yaffs_ExtendedTags * tags);
+int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data, const yaffs_ExtendedTags *tags);
-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * data, yaffs_ExtendedTags * tags);
+int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+ __u8 *data, yaffs_ExtendedTags *tags);
int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState * state, int *sequenceNumber);
+ yaffs_BlockState *state, __u32 *sequenceNumber);
#endif
/* mtd interface for YAFFS2 */
const char *yaffs_mtdif2_c_version =
- "$Id: yaffs_mtdif2.c,v 1.17 2007-02-14 01:09:06 wookey Exp $";
+ "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $";
#include "yportenv.h"
#include "yaffs_packedtags2.h"
-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags * tags)
+/* NB For use with inband tags....
+ * We assume that the data buffer is of size totalBytersPerChunk so that we can also
+ * use it to load the tags.
+ */
+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *tags)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#else
size_t dummy;
#endif
int retval = 0;
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
+ loff_t addr;
yaffs_PackedTags2 pt;
("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
TENDSTR), chunkInNAND, data, tags));
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- if (tags)
- yaffs_PackTags2(&pt, tags);
- else
- BUG(); /* both tags and data should always be present */
- if (data) {
- ops.mode = MTD_OOB_AUTO;
- ops.ooblen = sizeof(pt);
- ops.len = dev->nDataBytesPerChunk;
- ops.ooboffs = 0;
- ops.datbuf = (__u8 *)data;
- ops.oobbuf = (void *)&pt;
- retval = mtd->write_oob(mtd, addr, &ops);
+ addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
+
+ /* For yaffs2 writing there must be both data and tags.
+ * If we're using inband tags, then the tags are stuffed into
+ * the end of the data buffer.
+ */
+ if (!data || !tags)
+ BUG();
+ else if (dev->inbandTags) {
+ yaffs_PackedTags2TagsPart *pt2tp;
+ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
+ yaffs_PackTags2TagsPart(pt2tp, tags);
} else
- BUG(); /* both tags and data should always be present */
-#else
- if (tags) {
yaffs_PackTags2(&pt, tags);
- }
- if (data && tags) {
- if (dev->useNANDECC)
- retval =
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, (__u8 *) & pt, NULL);
- else
- retval =
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, (__u8 *) & pt, NULL);
- } else {
- if (data)
- retval =
- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy,
- data);
- if (tags)
- retval =
- mtd->write_oob(mtd, addr, mtd->oobsize, &dummy,
- (__u8 *) & pt);
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+ ops.mode = MTD_OOB_AUTO;
+ ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt);
+ ops.len = dev->totalBytesPerChunk;
+ ops.ooboffs = 0;
+ ops.datbuf = (__u8 *)data;
+ ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt;
+ retval = mtd->write_oob(mtd, addr, &ops);
+#else
+ if (!dev->inbandTags) {
+ retval =
+ mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
+ &dummy, data, (__u8 *) &pt, NULL);
+ } else {
+ retval =
+ mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy,
+ data);
}
#endif
return YAFFS_FAIL;
}
-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * data, yaffs_ExtendedTags * tags)
+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+ __u8 *data, yaffs_ExtendedTags *tags)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
+ int localData = 0;
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
+ loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
yaffs_PackedTags2 pt;
("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
TENDSTR), chunkInNAND, data, tags));
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- if (data && !tags)
- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
+ if (dev->inbandTags) {
+
+ if (!data) {
+ localData = 1;
+ data = yaffs_GetTempBuffer(dev, __LINE__);
+ }
+
+
+ }
+
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+ if (dev->inbandTags || (data && !tags))
+ retval = mtd->read(mtd, addr, dev->totalBytesPerChunk,
&dummy, data);
else if (tags) {
ops.mode = MTD_OOB_AUTO;
retval = mtd->read_oob(mtd, addr, &ops);
}
#else
- if (data && tags) {
- if (dev->useNANDECC) {
- retval =
- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, dev->spareBuffer,
- NULL);
- } else {
- retval =
- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
+ if (!dev->inbandTags && data && tags) {
+
+ retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
&dummy, data, dev->spareBuffer,
NULL);
- }
} else {
if (data)
retval =
mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
data);
- if (tags)
+ if (!dev->inbandTags && tags)
retval =
mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
dev->spareBuffer);
}
#endif
- memcpy(&pt, dev->spareBuffer, sizeof(pt));
- if (tags)
- yaffs_UnpackTags2(tags, &pt);
+ if (dev->inbandTags) {
+ if (tags) {
+ yaffs_PackedTags2TagsPart *pt2tp;
+ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
+ yaffs_UnpackTags2TagsPart(tags, pt2tp);
+ }
+ } else {
+ if (tags) {
+ memcpy(&pt, dev->spareBuffer, sizeof(pt));
+ yaffs_UnpackTags2(tags, &pt);
+ }
+ }
- if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
+ if (localData)
+ yaffs_ReleaseTempBuffer(dev, data, __LINE__);
+ if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
+ tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
if (retval == 0)
return YAFFS_OK;
else
retval =
mtd->block_markbad(mtd,
blockNo * dev->nChunksPerBlock *
- dev->nDataBytesPerChunk);
+ dev->totalBytesPerChunk);
if (retval == 0)
return YAFFS_OK;
}
int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState * state, int *sequenceNumber)
+ yaffs_BlockState *state, __u32 *sequenceNumber)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
int retval;
retval =
mtd->block_isbad(mtd,
blockNo * dev->nChunksPerBlock *
- dev->nDataBytesPerChunk);
+ dev->totalBytesPerChunk);
if (retval) {
T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
#define __YAFFS_MTDIF2_H__
#include "yaffs_guts.h"
-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags * tags);
-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * data, yaffs_ExtendedTags * tags);
+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *tags);
+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+ __u8 *data, yaffs_ExtendedTags *tags);
int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState * state, int *sequenceNumber);
+ yaffs_BlockState *state, __u32 *sequenceNumber);
#endif
*/
const char *yaffs_nand_c_version =
- "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $";
+ "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey Exp $";
#include "yaffs_nand.h"
#include "yaffs_tagscompat.h"
#include "yaffs_tagsvalidity.h"
+#include "yaffs_getblockinfo.h"
-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * buffer,
- yaffs_ExtendedTags * tags)
+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+ __u8 *buffer,
+ yaffs_ExtendedTags *tags)
{
int result;
yaffs_ExtendedTags localTags;
int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
/* If there are no tags provided, use local tags to get prioritised gc working */
- if(!tags)
+ if (!tags)
tags = &localTags;
if (dev->readChunkWithTagsFromNAND)
realignedChunkInNAND,
buffer,
tags);
- if(tags &&
- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
+ if (tags &&
+ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
- yaffs_HandleChunkError(dev,bi);
+ yaffs_HandleChunkError(dev, bi);
}
return result;
}
-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
int chunkInNAND,
- const __u8 * buffer,
- yaffs_ExtendedTags * tags)
+ const __u8 *buffer,
+ yaffs_ExtendedTags *tags)
{
chunkInNAND -= dev->chunkOffset;
tags);
}
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo)
{
blockNo -= dev->blockOffset;
return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
}
-int yaffs_QueryInitialBlockState(yaffs_Device * dev,
+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
int blockNo,
- yaffs_BlockState * state,
- unsigned *sequenceNumber)
+ yaffs_BlockState *state,
+ __u32 *sequenceNumber)
{
blockNo -= dev->blockOffset;
-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * buffer,
- yaffs_ExtendedTags * tags);
+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+ __u8 *buffer,
+ yaffs_ExtendedTags *tags);
-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
- int chunkInNAND,
- const __u8 * buffer,
- yaffs_ExtendedTags * tags);
+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
+ int chunkInNAND,
+ const __u8 *buffer,
+ yaffs_ExtendedTags *tags);
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo);
+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo);
-int yaffs_QueryInitialBlockState(yaffs_Device * dev,
- int blockNo,
- yaffs_BlockState * state,
- unsigned *sequenceNumber);
+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
+ int blockNo,
+ yaffs_BlockState *state,
+ unsigned *sequenceNumber);
int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
int blockInNAND);
#include "yaffs_guts.h"
int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
- int chunkInNAND, const __u8 * data,
- yaffs_ExtendedTags * tags);
+ int chunkInNAND, const __u8 *data,
+ const yaffs_ExtendedTags *tags);
int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev,
- int chunkInNAND, __u8 * data,
- yaffs_ExtendedTags * tags);
+ int chunkInNAND, __u8 *data,
+ yaffs_ExtendedTags *tags);
int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState * state, int *sequenceNumber);
+ yaffs_BlockState *state, __u32 *sequenceNumber);
int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
int blockInNAND);
int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev);
#include "yaffs_packedtags1.h"
#include "yportenv.h"
-void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t)
+void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t)
{
pt->chunkId = t->chunkId;
pt->serialNumber = t->serialNumber;
}
-void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt)
+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt)
{
static const __u8 allFF[] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
t->blockBad = 0;
- if (pt->shouldBeFF != 0xFFFFFFFF) {
+ if (pt->shouldBeFF != 0xFFFFFFFF)
t->blockBad = 1;
- }
t->chunkUsed = 1;
t->objectId = pt->objectId;
t->chunkId = pt->chunkId;
t->serialNumber = pt->serialNumber;
} else {
memset(t, 0, sizeof(yaffs_ExtendedTags));
-
}
}
} yaffs_PackedTags1;
-void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t);
-void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt);
+void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t);
+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt);
#endif
#define EXTRA_OBJECT_TYPE_SHIFT (28)
#define EXTRA_OBJECT_TYPE_MASK ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT)
-static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt)
+
+static void yaffs_DumpPackedTags2TagsPart(const yaffs_PackedTags2TagsPart *ptt)
{
T(YAFFS_TRACE_MTD,
(TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
- pt->t.objectId, pt->t.chunkId, pt->t.byteCount,
- pt->t.sequenceNumber));
+ ptt->objectId, ptt->chunkId, ptt->byteCount,
+ ptt->sequenceNumber));
+}
+static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 *pt)
+{
+ yaffs_DumpPackedTags2TagsPart(&pt->t);
}
-static void yaffs_DumpTags2(const yaffs_ExtendedTags * t)
+static void yaffs_DumpTags2(const yaffs_ExtendedTags *t)
{
T(YAFFS_TRACE_MTD,
(TSTR
- ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte "
- "%d del %d ser %d seq %d"
+ ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d"
TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId,
t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber,
t->sequenceNumber));
}
-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt,
+ const yaffs_ExtendedTags *t)
{
- pt->t.chunkId = t->chunkId;
- pt->t.sequenceNumber = t->sequenceNumber;
- pt->t.byteCount = t->byteCount;
- pt->t.objectId = t->objectId;
+ ptt->chunkId = t->chunkId;
+ ptt->sequenceNumber = t->sequenceNumber;
+ ptt->byteCount = t->byteCount;
+ ptt->objectId = t->objectId;
if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
/* Store the extra header info instead */
/* We save the parent object in the chunkId */
- pt->t.chunkId = EXTRA_HEADER_INFO_FLAG
+ ptt->chunkId = EXTRA_HEADER_INFO_FLAG
| t->extraParentObjectId;
- if (t->extraIsShrinkHeader) {
- pt->t.chunkId |= EXTRA_SHRINK_FLAG;
- }
- if (t->extraShadows) {
- pt->t.chunkId |= EXTRA_SHADOWS_FLAG;
- }
+ if (t->extraIsShrinkHeader)
+ ptt->chunkId |= EXTRA_SHRINK_FLAG;
+ if (t->extraShadows)
+ ptt->chunkId |= EXTRA_SHADOWS_FLAG;
- pt->t.objectId &= ~EXTRA_OBJECT_TYPE_MASK;
- pt->t.objectId |=
+ ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
+ ptt->objectId |=
(t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
- pt->t.byteCount = t->extraEquivalentObjectId;
- } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) {
- pt->t.byteCount = t->extraFileLength;
- } else {
- pt->t.byteCount = 0;
- }
+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
+ ptt->byteCount = t->extraEquivalentObjectId;
+ else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE)
+ ptt->byteCount = t->extraFileLength;
+ else
+ ptt->byteCount = 0;
}
- yaffs_DumpPackedTags2(pt);
+ yaffs_DumpPackedTags2TagsPart(ptt);
yaffs_DumpTags2(t);
+}
+
+
+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t)
+{
+ yaffs_PackTags2TagsPart(&pt->t, t);
#ifndef YAFFS_IGNORE_TAGS_ECC
{
#endif
}
-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
+
+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t,
+ yaffs_PackedTags2TagsPart *ptt)
{
memset(t, 0, sizeof(yaffs_ExtendedTags));
yaffs_InitialiseTags(t);
- if (pt->t.sequenceNumber != 0xFFFFFFFF) {
- /* Page is in use */
-#ifdef YAFFS_IGNORE_TAGS_ECC
- {
- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
- }
-#else
- {
- yaffs_ECCOther ecc;
- int result;
- yaffs_ECCCalculateOther((unsigned char *)&pt->t,
- sizeof
- (yaffs_PackedTags2TagsPart),
- &ecc);
- result =
- yaffs_ECCCorrectOther((unsigned char *)&pt->t,
- sizeof
- (yaffs_PackedTags2TagsPart),
- &pt->ecc, &ecc);
- switch(result){
- case 0:
- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
- break;
- case 1:
- t->eccResult = YAFFS_ECC_RESULT_FIXED;
- break;
- case -1:
- t->eccResult = YAFFS_ECC_RESULT_UNFIXED;
- break;
- default:
- t->eccResult = YAFFS_ECC_RESULT_UNKNOWN;
- }
- }
-#endif
+ if (ptt->sequenceNumber != 0xFFFFFFFF) {
t->blockBad = 0;
t->chunkUsed = 1;
- t->objectId = pt->t.objectId;
- t->chunkId = pt->t.chunkId;
- t->byteCount = pt->t.byteCount;
+ t->objectId = ptt->objectId;
+ t->chunkId = ptt->chunkId;
+ t->byteCount = ptt->byteCount;
t->chunkDeleted = 0;
t->serialNumber = 0;
- t->sequenceNumber = pt->t.sequenceNumber;
+ t->sequenceNumber = ptt->sequenceNumber;
/* Do extra header info stuff */
- if (pt->t.chunkId & EXTRA_HEADER_INFO_FLAG) {
+ if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
t->chunkId = 0;
t->byteCount = 0;
t->extraHeaderInfoAvailable = 1;
t->extraParentObjectId =
- pt->t.chunkId & (~(ALL_EXTRA_FLAGS));
+ ptt->chunkId & (~(ALL_EXTRA_FLAGS));
t->extraIsShrinkHeader =
- (pt->t.chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
+ (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
t->extraShadows =
- (pt->t.chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
+ (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
t->extraObjectType =
- pt->t.objectId >> EXTRA_OBJECT_TYPE_SHIFT;
+ ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
- t->extraEquivalentObjectId = pt->t.byteCount;
- } else {
- t->extraFileLength = pt->t.byteCount;
+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
+ t->extraEquivalentObjectId = ptt->byteCount;
+ else
+ t->extraFileLength = ptt->byteCount;
+ }
+ }
+
+ yaffs_DumpPackedTags2TagsPart(ptt);
+ yaffs_DumpTags2(t);
+
+}
+
+
+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt)
+{
+
+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+
+ if (pt->t.sequenceNumber != 0xFFFFFFFF) {
+ /* Page is in use */
+#ifndef YAFFS_IGNORE_TAGS_ECC
+ {
+ yaffs_ECCOther ecc;
+ int result;
+ yaffs_ECCCalculateOther((unsigned char *)&pt->t,
+ sizeof
+ (yaffs_PackedTags2TagsPart),
+ &ecc);
+ result =
+ yaffs_ECCCorrectOther((unsigned char *)&pt->t,
+ sizeof
+ (yaffs_PackedTags2TagsPart),
+ &pt->ecc, &ecc);
+ switch (result) {
+ case 0:
+ eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+ break;
+ case 1:
+ eccResult = YAFFS_ECC_RESULT_FIXED;
+ break;
+ case -1:
+ eccResult = YAFFS_ECC_RESULT_UNFIXED;
+ break;
+ default:
+ eccResult = YAFFS_ECC_RESULT_UNKNOWN;
}
}
+#endif
}
+ yaffs_UnpackTags2TagsPart(t, &pt->t);
+
+ t->eccResult = eccResult;
+
yaffs_DumpPackedTags2(pt);
yaffs_DumpTags2(t);
}
+
yaffs_ECCOther ecc;
} yaffs_PackedTags2;
-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t);
-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt);
+/* Full packed tags with ECC, used for oob tags */
+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t);
+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt);
+
+/* Only the tags part (no ECC for use with inband tags */
+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt);
#endif
*/
#include "yportenv.h"
-//#include <linux/string.h>
+/* #include <linux/string.h> */
/*
* Qsort routine from Bentley & McIlroy's "Engineering a Sort Function".
*/
-#define swapcode(TYPE, parmi, parmj, n) { \
+#define swapcode(TYPE, parmi, parmj, n) do { \
long i = (n) / sizeof (TYPE); \
register TYPE *pi = (TYPE *) (parmi); \
register TYPE *pj = (TYPE *) (parmj); \
register TYPE t = *pi; \
*pi++ = *pj; \
*pj++ = t; \
- } while (--i > 0); \
-}
+ } while (--i > 0); \
+} while (0)
#define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \
- es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;
+ es % sizeof(long) ? 2 : es == sizeof(long) ? 0 : 1;
static __inline void
swapfunc(char *a, char *b, int n, int swaptype)
{
if (swaptype <= 1)
- swapcode(long, a, b, n)
+ swapcode(long, a, b, n);
else
- swapcode(char, a, b, n)
+ swapcode(char, a, b, n);
}
-#define swap(a, b) \
+#define yswap(a, b) do { \
if (swaptype == 0) { \
long t = *(long *)(a); \
*(long *)(a) = *(long *)(b); \
*(long *)(b) = t; \
} else \
- swapfunc(a, b, es, swaptype)
+ swapfunc(a, b, es, swaptype); \
+} while (0)
#define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype)
med3(char *a, char *b, char *c, int (*cmp)(const void *, const void *))
{
return cmp(a, b) < 0 ?
- (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))
- :(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ));
+ (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a))
+ : (cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c));
}
#ifndef min
-#define min(a,b) (((a) < (b)) ? (a) : (b))
+#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
void
for (pm = (char *)a + es; pm < (char *) a + n * es; pm += es)
for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
pl -= es)
- swap(pl, pl - es);
+ yswap(pl, pl - es);
return;
}
pm = (char *)a + (n / 2) * es;
}
pm = med3(pl, pm, pn, cmp);
}
- swap(a, pm);
+ yswap(a, pm);
pa = pb = (char *)a + es;
pc = pd = (char *)a + (n - 1) * es;
while (pb <= pc && (r = cmp(pb, a)) <= 0) {
if (r == 0) {
swap_cnt = 1;
- swap(pa, pb);
+ yswap(pa, pb);
pa += es;
}
pb += es;
while (pb <= pc && (r = cmp(pc, a)) >= 0) {
if (r == 0) {
swap_cnt = 1;
- swap(pc, pd);
+ yswap(pc, pd);
pd -= es;
}
pc -= es;
}
if (pb > pc)
break;
- swap(pb, pc);
+ yswap(pb, pc);
swap_cnt = 1;
pb += es;
pc -= es;
for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es)
for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
pl -= es)
- swap(pl, pl - es);
+ yswap(pl, pl - es);
return;
}
vecswap(a, pb - r, r);
r = min((long)(pd - pc), (long)(pn - pd - es));
vecswap(pb, pn - r, r);
- if ((r = pb - pa) > es)
+ r = pb - pa;
+ if (r > es)
yaffs_qsort(a, r / es, es, cmp);
- if ((r = pd - pc) > es) {
+ r = pd - pc;
+ if (r > es) {
/* Iterate rather than recurse to save stack space */
a = pn - r;
n = r / es;
#ifndef __YAFFS_QSORT_H__
#define __YAFFS_QSORT_H__
-extern void yaffs_qsort (void *const base, size_t total_elems, size_t size,
- int (*cmp)(const void *, const void *));
+extern void yaffs_qsort(void *const base, size_t total_elems, size_t size,
+ int (*cmp)(const void *, const void *));
#endif
#include "yaffs_guts.h"
#include "yaffs_tagscompat.h"
#include "yaffs_ecc.h"
+#include "yaffs_getblockinfo.h"
-static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND);
+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND);
#ifdef NOTYET
-static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND);
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_Spare * spare);
-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
- const yaffs_Spare * spare);
-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND);
+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND);
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data,
+ const yaffs_Spare *spare);
+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+ const yaffs_Spare *spare);
+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND);
#endif
static const char yaffs_countBitsTable[256] = {
/********** Tags ECC calculations *********/
-void yaffs_CalcECC(const __u8 * data, yaffs_Spare * spare)
+void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare)
{
yaffs_ECCCalculate(data, spare->ecc1);
yaffs_ECCCalculate(&data[256], spare->ecc2);
}
-void yaffs_CalcTagsECC(yaffs_Tags * tags)
+void yaffs_CalcTagsECC(yaffs_Tags *tags)
{
/* Calculate an ecc */
for (i = 0; i < 8; i++) {
for (j = 1; j & 0xff; j <<= 1) {
bit++;
- if (b[i] & j) {
+ if (b[i] & j)
ecc ^= bit;
- }
}
}
}
-int yaffs_CheckECCOnTags(yaffs_Tags * tags)
+int yaffs_CheckECCOnTags(yaffs_Tags *tags)
{
unsigned ecc = tags->ecc;
/********** Tags **********/
-static void yaffs_LoadTagsIntoSpare(yaffs_Spare * sparePtr,
- yaffs_Tags * tagsPtr)
+static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr,
+ yaffs_Tags *tagsPtr)
{
yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
sparePtr->tagByte7 = tu->asBytes[7];
}
-static void yaffs_GetTagsFromSpare(yaffs_Device * dev, yaffs_Spare * sparePtr,
- yaffs_Tags * tagsPtr)
+static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr,
+ yaffs_Tags *tagsPtr)
{
yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
int result;
tu->asBytes[7] = sparePtr->tagByte7;
result = yaffs_CheckECCOnTags(tagsPtr);
- if (result > 0) {
+ if (result > 0)
dev->tagsEccFixed++;
- } else if (result < 0) {
+ else if (result < 0)
dev->tagsEccUnfixed++;
- }
}
-static void yaffs_SpareInitialise(yaffs_Spare * spare)
+static void yaffs_SpareInitialise(yaffs_Spare *spare)
{
memset(spare, 0xFF, sizeof(yaffs_Spare));
}
static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev,
- int chunkInNAND, const __u8 * data,
- yaffs_Spare * spare)
+ int chunkInNAND, const __u8 *data,
+ yaffs_Spare *spare)
{
if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) {
T(YAFFS_TRACE_ERROR,
static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev,
int chunkInNAND,
- __u8 * data,
- yaffs_Spare * spare,
- yaffs_ECCResult * eccResult,
+ __u8 *data,
+ yaffs_Spare *spare,
+ yaffs_ECCResult *eccResult,
int doErrorCorrection)
{
int retVal;
/* Must allocate enough memory for spare+2*sizeof(int) */
/* for ecc results from device. */
struct yaffs_NANDSpare nspare;
- retVal =
- dev->readChunkFromNAND(dev, chunkInNAND, data,
- (yaffs_Spare *) & nspare);
+
+ memset(&nspare, 0, sizeof(nspare));
+
+ retVal = dev->readChunkFromNAND(dev, chunkInNAND, data,
+ (yaffs_Spare *) &nspare);
memcpy(spare, &nspare, sizeof(yaffs_Spare));
if (data && doErrorCorrection) {
if (nspare.eccres1 > 0) {
static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
int chunkInNAND)
{
-
- static int init = 0;
+ static int init;
static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK];
static __u8 data[YAFFS_BYTES_PER_CHUNK];
/* Might as well always allocate the larger size for */
* Functions for robustisizing
*/
-static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND)
+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND)
{
int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
/* Mark the block for retirement */
- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1;
+ yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1;
T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
(TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND));
}
#ifdef NOTYET
-static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND)
+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND)
{
}
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_Spare * spare)
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data,
+ const yaffs_Spare *spare)
{
}
-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
- const yaffs_Spare * spare)
+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+ const yaffs_Spare *spare)
{
}
-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND)
+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND)
{
int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
}
-static int yaffs_VerifyCompare(const __u8 * d0, const __u8 * d1,
- const yaffs_Spare * s0, const yaffs_Spare * s1)
+static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1,
+ const yaffs_Spare *s0, const yaffs_Spare *s1)
{
if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 ||
}
#endif /* NOTYET */
-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
- int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags *
- eTags)
+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
+ int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *eTags)
{
yaffs_Spare spare;
yaffs_Tags tags;
yaffs_SpareInitialise(&spare);
- if (eTags->chunkDeleted) {
+ if (eTags->chunkDeleted)
spare.pageStatus = 0;
- } else {
+ else {
tags.objectId = eTags->objectId;
tags.chunkId = eTags->chunkId;
- tags.byteCount = eTags->byteCount;
+
+ tags.byteCountLSB = eTags->byteCount & 0x3ff;
+
+ if (dev->nDataBytesPerChunk >= 1024)
+ tags.byteCountMSB = (eTags->byteCount >> 10) & 3;
+ else
+ tags.byteCountMSB = 3;
+
+
tags.serialNumber = eTags->serialNumber;
- if (!dev->useNANDECC && data) {
+ if (!dev->useNANDECC && data)
yaffs_CalcECC(data, &spare);
- }
+
yaffs_LoadTagsIntoSpare(&spare, &tags);
}
return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare);
}
-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
int chunkInNAND,
- __u8 * data,
- yaffs_ExtendedTags * eTags)
+ __u8 *data,
+ yaffs_ExtendedTags *eTags)
{
yaffs_Spare spare;
yaffs_Tags tags;
- yaffs_ECCResult eccResult;
+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN;
static yaffs_Spare spareFF;
static int init;
eTags->objectId = tags.objectId;
eTags->chunkId = tags.chunkId;
- eTags->byteCount = tags.byteCount;
+ eTags->byteCount = tags.byteCountLSB;
+
+ if (dev->nDataBytesPerChunk >= 1024)
+ eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10);
+
eTags->serialNumber = tags.serialNumber;
}
}
}
int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
- int blockNo, yaffs_BlockState *
- state,
- int *sequenceNumber)
+ int blockNo,
+ yaffs_BlockState *state,
+ __u32 *sequenceNumber)
{
yaffs_Spare spare0, spare1;
#define __YAFFS_TAGSCOMPAT_H__
#include "yaffs_guts.h"
-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
- int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags *
- tags);
-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
- int chunkInNAND,
- __u8 * data,
- yaffs_ExtendedTags *
- tags);
+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
+ int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *tags);
+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
+ int chunkInNAND,
+ __u8 *data,
+ yaffs_ExtendedTags *tags);
int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
int blockNo);
int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
- int blockNo, yaffs_BlockState *
- state, int *sequenceNumber);
+ int blockNo,
+ yaffs_BlockState *state,
+ __u32 *sequenceNumber);
-void yaffs_CalcTagsECC(yaffs_Tags * tags);
-int yaffs_CheckECCOnTags(yaffs_Tags * tags);
+void yaffs_CalcTagsECC(yaffs_Tags *tags);
+int yaffs_CheckECCOnTags(yaffs_Tags *tags);
int yaffs_CountBits(__u8 byte);
#endif
#include "yaffs_tagsvalidity.h"
-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags)
{
memset(tags, 0, sizeof(yaffs_ExtendedTags));
tags->validMarker0 = 0xAAAAAAAA;
tags->validMarker1 = 0x55555555;
}
-int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
+int yaffs_ValidateTags(yaffs_ExtendedTags *tags)
{
return (tags->validMarker0 == 0xAAAAAAAA &&
tags->validMarker1 == 0x55555555);
#include "yaffs_guts.h"
-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
-int yaffs_ValidateTags(yaffs_ExtendedTags * tags);
+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
+int yaffs_ValidateTags(yaffs_ExtendedTags *tags);
#endif
#ifndef __YPORTENV_H__
#define __YPORTENV_H__
+/*
+ * Define the MTD version in terms of Linux Kernel versions
+ * This allows yaffs to be used independantly of the kernel
+ * as well as with it.
+ */
+
+#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
+
#if defined CONFIG_YAFFS_WINCE
#include "ywinceenv.h"
-#elif defined __KERNEL__
+#elif defined __KERNEL__
#include "moduleconfig.h"
/* Linux kernel */
+
#include <linux/version.h>
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+#define MTD_VERSION_CODE LINUX_VERSION_CODE
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
#include <linux/config.h>
#endif
#include <linux/kernel.h>
#define YCHAR char
#define YUCHAR unsigned char
#define _Y(x) x
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
-#define yaffs_strlen(s) strlen(s)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
+#define yaffs_strcat(a, b) strcat(a, b)
+#define yaffs_strcpy(a, b) strcpy(a, b)
+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
+#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
+#define yaffs_strlen(s) strlen(s)
+#define yaffs_sprintf sprintf
+#define yaffs_toupper(a) toupper(a)
#define Y_INLINE inline
#define YAFFS_LOSTNFOUND_PREFIX "obj"
/* #define YPRINTF(x) printk x */
-#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
+#define YMALLOC(x) kmalloc(x, GFP_NOFS)
#define YFREE(x) kfree(x)
#define YMALLOC_ALT(x) vmalloc(x)
#define YFREE_ALT(x) vfree(x)
#define YMALLOC_DMA(x) YMALLOC(x)
-// KR - added for use in scan so processes aren't blocked indefinitely.
+/* KR - added for use in scan so processes aren't blocked indefinitely. */
#define YYIELD() schedule()
#define YAFFS_ROOT_MODE 0666
#define YAFFS_LOSTNFOUND_MODE 0666
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
#define Y_TIME_CONVERT(x) (x).tv_sec
#else
#define Y_TIME_CONVERT(x) (x)
#endif
-#define yaffs_SumCompare(x,y) ((x) == (y))
-#define yaffs_strcmp(a,b) strcmp(a,b)
+#define yaffs_SumCompare(x, y) ((x) == (y))
+#define yaffs_strcmp(a, b) strcmp(a, b)
#define TENDSTR "\n"
#define TSTR(x) KERN_WARNING x
+#define TCONT(x) x
#define TOUT(p) printk p
#define yaffs_trace(mask, fmt, args...) \
#elif defined CONFIG_YAFFS_DIRECT
+#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22)
+
/* Direct interface */
#include "ydirectenv.h"
#define YCHAR char
#define YUCHAR unsigned char
#define _Y(x) x
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strlen(s) strlen(s)
-#define yaffs_sprintf sprintf
-#define yaffs_toupper(a) toupper(a)
+#define yaffs_strcat(a, b) strcat(a, b)
+#define yaffs_strcpy(a, b) strcpy(a, b)
+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
+#define yaffs_strlen(s) strlen(s)
+#define yaffs_sprintf sprintf
+#define yaffs_toupper(a) toupper(a)
#define Y_INLINE inline
#define YAFFS_ROOT_MODE 0666
#define YAFFS_LOSTNFOUND_MODE 0666
-#define yaffs_SumCompare(x,y) ((x) == (y))
-#define yaffs_strcmp(a,b) strcmp(a,b)
+#define yaffs_SumCompare(x, y) ((x) == (y))
+#define yaffs_strcmp(a, b) strcmp(a, b)
#else
/* Should have specified a configuration type */
#define YAFFS_TRACE_ALWAYS 0xF0000000
-#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
+#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
-#ifndef CONFIG_YAFFS_WINCE
-#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
+#ifndef YBUG
+#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0)
#endif
#endif
+++ /dev/null
---- a/fs/yaffs2/devextras.h
-+++ b/fs/yaffs2/devextras.h
-@@ -14,194 +14,135 @@
- */
-
- /*
-- * This file is just holds extra declarations used during development.
-- * Most of these are from kernel includes placed here so we can use them in
-- * applications.
-+ * This file is just holds extra declarations of macros that would normally
-+ * be providesd in the Linux kernel. These macros have been written from
-+ * scratch but are functionally equivalent to the Linux ones.
- *
- */
-
- #ifndef __EXTRAS_H__
- #define __EXTRAS_H__
-
--#if defined WIN32
--#define __inline__ __inline
--#define new newHack
--#endif
--
--#if !(defined __KERNEL__) || (defined WIN32)
-
--/* User space defines */
-+#if !(defined __KERNEL__)
-
-+/* Definition of types */
- typedef unsigned char __u8;
- typedef unsigned short __u16;
- typedef unsigned __u32;
-
-+#endif
-+
- /*
-- * Simple doubly linked list implementation.
-- *
-- * Some of the internal functions ("__xxx") are useful when
-- * manipulating whole lists rather than single entries, as
-- * sometimes we already know the next/prev entries and we can
-- * generate better code by using them directly rather than
-- * using the generic single-entry routines.
-+ * This is a simple doubly linked list implementation that matches the
-+ * way the Linux kernel doubly linked list implementation works.
- */
-
--#define prefetch(x) 1
--
--struct list_head {
-- struct list_head *next, *prev;
-+struct ylist_head {
-+ struct ylist_head *next; /* next in chain */
-+ struct ylist_head *prev; /* previous in chain */
- };
-
--#define LIST_HEAD_INIT(name) { &(name), &(name) }
-
--#define LIST_HEAD(name) \
-- struct list_head name = LIST_HEAD_INIT(name)
-+/* Initialise a static list */
-+#define YLIST_HEAD(name) \
-+struct ylist_head name = { &(name), &(name)}
-+
-
--#define INIT_LIST_HEAD(ptr) do { \
-- (ptr)->next = (ptr); (ptr)->prev = (ptr); \
-+
-+/* Initialise a list head to an empty list */
-+#define YINIT_LIST_HEAD(p) \
-+do { \
-+ (p)->next = (p);\
-+ (p)->prev = (p); \
- } while (0)
-
--/*
-- * Insert a new entry between two known consecutive entries.
-- *
-- * This is only for internal list manipulation where we know
-- * the prev/next entries already!
-- */
--static __inline__ void __list_add(struct list_head *new,
-- struct list_head *prev,
-- struct list_head *next)
--{
-- next->prev = new;
-- new->next = next;
-- new->prev = prev;
-- prev->next = new;
--}
-
--/**
-- * list_add - add a new entry
-- * @new: new entry to be added
-- * @head: list head to add it after
-- *
-- * Insert a new entry after the specified head.
-- * This is good for implementing stacks.
-- */
--static __inline__ void list_add(struct list_head *new, struct list_head *head)
-+/* Add an element to a list */
-+static __inline__ void ylist_add(struct ylist_head *newEntry,
-+ struct ylist_head *list)
- {
-- __list_add(new, head, head->next);
--}
-+ struct ylist_head *listNext = list->next;
-+
-+ list->next = newEntry;
-+ newEntry->prev = list;
-+ newEntry->next = listNext;
-+ listNext->prev = newEntry;
-
--/**
-- * list_add_tail - add a new entry
-- * @new: new entry to be added
-- * @head: list head to add it before
-- *
-- * Insert a new entry before the specified head.
-- * This is useful for implementing queues.
-- */
--static __inline__ void list_add_tail(struct list_head *new,
-- struct list_head *head)
--{
-- __list_add(new, head->prev, head);
- }
-
--/*
-- * Delete a list entry by making the prev/next entries
-- * point to each other.
-- *
-- * This is only for internal list manipulation where we know
-- * the prev/next entries already!
-- */
--static __inline__ void __list_del(struct list_head *prev,
-- struct list_head *next)
-+static __inline__ void ylist_add_tail(struct ylist_head *newEntry,
-+ struct ylist_head *list)
- {
-- next->prev = prev;
-- prev->next = next;
-+ struct ylist_head *listPrev = list->prev;
-+
-+ list->prev = newEntry;
-+ newEntry->next = list;
-+ newEntry->prev = listPrev;
-+ listPrev->next = newEntry;
-+
- }
-
--/**
-- * list_del - deletes entry from list.
-- * @entry: the element to delete from the list.
-- * Note: list_empty on entry does not return true after this, the entry is
-- * in an undefined state.
-- */
--static __inline__ void list_del(struct list_head *entry)
-+
-+/* Take an element out of its current list, with or without
-+ * reinitialising the links.of the entry*/
-+static __inline__ void ylist_del(struct ylist_head *entry)
- {
-- __list_del(entry->prev, entry->next);
-+ struct ylist_head *listNext = entry->next;
-+ struct ylist_head *listPrev = entry->prev;
-+
-+ listNext->prev = listPrev;
-+ listPrev->next = listNext;
-+
- }
-
--/**
-- * list_del_init - deletes entry from list and reinitialize it.
-- * @entry: the element to delete from the list.
-- */
--static __inline__ void list_del_init(struct list_head *entry)
-+static __inline__ void ylist_del_init(struct ylist_head *entry)
- {
-- __list_del(entry->prev, entry->next);
-- INIT_LIST_HEAD(entry);
-+ ylist_del(entry);
-+ entry->next = entry->prev = entry;
- }
-
--/**
-- * list_empty - tests whether a list is empty
-- * @head: the list to test.
-- */
--static __inline__ int list_empty(struct list_head *head)
-+
-+/* Test if the list is empty */
-+static __inline__ int ylist_empty(struct ylist_head *entry)
- {
-- return head->next == head;
-+ return (entry->next == entry);
- }
-
--/**
-- * list_splice - join two lists
-- * @list: the new list to add.
-- * @head: the place to add it in the first list.
-+
-+/* ylist_entry takes a pointer to a list entry and offsets it to that
-+ * we can find a pointer to the object it is embedded in.
- */
--static __inline__ void list_splice(struct list_head *list,
-- struct list_head *head)
--{
-- struct list_head *first = list->next;
-
-- if (first != list) {
-- struct list_head *last = list->prev;
-- struct list_head *at = head->next;
--
-- first->prev = head;
-- head->next = first;
--
-- last->next = at;
-- at->prev = last;
-- }
--}
-
--/**
-- * list_entry - get the struct for this entry
-- * @ptr: the &struct list_head pointer.
-- * @type: the type of the struct this is embedded in.
-- * @member: the name of the list_struct within the struct.
-- */
--#define list_entry(ptr, type, member) \
-- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
--
--/**
-- * list_for_each - iterate over a list
-- * @pos: the &struct list_head to use as a loop counter.
-- * @head: the head for your list.
-- */
--#define list_for_each(pos, head) \
-- for (pos = (head)->next, prefetch(pos->next); pos != (head); \
-- pos = pos->next, prefetch(pos->next))
--
--/**
-- * list_for_each_safe - iterate over a list safe against removal
-- * of list entry
-- * @pos: the &struct list_head to use as a loop counter.
-- * @n: another &struct list_head to use as temporary storage
-- * @head: the head for your list.
-- */
--#define list_for_each_safe(pos, n, head) \
-- for (pos = (head)->next, n = pos->next; pos != (head); \
-- pos = n, n = pos->next)
-+#define ylist_entry(entry, type, member) \
-+ ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member)))
-
--/*
-- * File types
-+
-+/* ylist_for_each and list_for_each_safe iterate over lists.
-+ * ylist_for_each_safe uses temporary storage to make the list delete safe
- */
-+
-+#define ylist_for_each(itervar, list) \
-+ for (itervar = (list)->next; itervar != (list); itervar = itervar->next)
-+
-+#define ylist_for_each_safe(itervar, saveVar, list) \
-+ for (itervar = (list)->next, saveVar = (list)->next->next; \
-+ itervar != (list); itervar = saveVar, saveVar = saveVar->next)
-+
-+
-+#if !(defined __KERNEL__)
-+
-+
-+#ifndef WIN32
-+#include <sys/stat.h>
-+#endif
-+
-+
-+#ifdef CONFIG_YAFFS_PROVIDE_DEFS
-+/* File types */
-+
-+
- #define DT_UNKNOWN 0
- #define DT_FIFO 1
- #define DT_CHR 2
-@@ -212,6 +153,7 @@ static __inline__ void list_splice(struc
- #define DT_SOCK 12
- #define DT_WHT 14
-
-+
- #ifndef WIN32
- #include <sys/stat.h>
- #endif
-@@ -227,10 +169,6 @@ static __inline__ void list_splice(struc
- #define ATTR_ATIME 16
- #define ATTR_MTIME 32
- #define ATTR_CTIME 64
--#define ATTR_ATIME_SET 128
--#define ATTR_MTIME_SET 256
--#define ATTR_FORCE 512 /* Not a change, but a change it */
--#define ATTR_ATTR_FLAG 1024
-
- struct iattr {
- unsigned int ia_valid;
-@@ -244,21 +182,15 @@ struct iattr {
- unsigned int ia_attr_flags;
- };
-
--#define KERN_DEBUG
-+#endif
-
- #else
-
--#ifndef WIN32
- #include <linux/types.h>
--#include <linux/list.h>
- #include <linux/fs.h>
- #include <linux/stat.h>
--#endif
-
- #endif
-
--#if defined WIN32
--#undef new
--#endif
-
- #endif
---- a/fs/yaffs2/Kconfig
-+++ b/fs/yaffs2/Kconfig
-@@ -5,7 +5,7 @@
- config YAFFS_FS
- tristate "YAFFS2 file system support"
- default n
-- depends on MTD
-+ depends on MTD_BLOCK
- select YAFFS_YAFFS1
- select YAFFS_YAFFS2
- help
-@@ -43,7 +43,8 @@ config YAFFS_9BYTE_TAGS
- format that you need to continue to support. New data written
- also uses the older-style format. Note: Use of this option
- generally requires that MTD's oob layout be adjusted to use the
-- older-style format. See notes on tags formats and MTD versions.
-+ older-style format. See notes on tags formats and MTD versions
-+ in yaffs_mtdif1.c.
-
- If unsure, say N.
-
-@@ -109,26 +110,6 @@ config YAFFS_DISABLE_LAZY_LOAD
-
- If unsure, say N.
-
--config YAFFS_CHECKPOINT_RESERVED_BLOCKS
-- int "Reserved blocks for checkpointing"
-- depends on YAFFS_YAFFS2
-- default 10
-- help
-- Give the number of Blocks to reserve for checkpointing.
-- Checkpointing saves the state at unmount so that mounting is
-- much faster as a scan of all the flash to regenerate this state
-- is not needed. These Blocks are reserved per partition, so if
-- you have very small partitions the default (10) may be a mess
-- for you. You can set this value to 0, but that does not mean
-- checkpointing is disabled at all. There only won't be any
-- specially reserved blocks for checkpointing, so if there is
-- enough free space on the filesystem, it will be used for
-- checkpointing.
--
-- If unsure, leave at default (10), but don't wonder if there are
-- always 2MB used on your large page device partition (10 x 2k
-- pagesize). When using small partitions or when being very small
-- on space, you probably want to set this to zero.
-
- config YAFFS_DISABLE_WIDE_TNODES
- bool "Turn off wide tnodes"
---- a/fs/yaffs2/Makefile
-+++ b/fs/yaffs2/Makefile
-@@ -5,7 +5,6 @@
- obj-$(CONFIG_YAFFS_FS) += yaffs.o
-
- yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o
--yaffs-y += yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
-+yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
- yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o
--yaffs-y += yaffs_mtdif1.o yaffs_packedtags1.o
--yaffs-y += yaffs_mtdif.o yaffs_mtdif2.o
-+yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o
---- a/fs/yaffs2/moduleconfig.h
-+++ b/fs/yaffs2/moduleconfig.h
-@@ -27,12 +27,12 @@
-
- /* Default: Not selected */
- /* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
--//#define CONFIG_YAFFS_DOES_ECC
-+/* #define CONFIG_YAFFS_DOES_ECC */
-
- /* Default: Not selected */
- /* Meaning: ECC byte order is 'wrong'. Only meaningful if */
- /* CONFIG_YAFFS_DOES_ECC is set */
--//#define CONFIG_YAFFS_ECC_WRONG_ORDER
-+/* #define CONFIG_YAFFS_ECC_WRONG_ORDER */
-
- /* Default: Selected */
- /* Meaning: Disables testing whether chunks are erased before writing to them*/
-@@ -54,11 +54,11 @@ that you need to continue to support. N
- older-style format.
- Note: Use of this option generally requires that MTD's oob layout be
- adjusted to use the older-style format. See notes on tags formats and
--MTD versions.
-+MTD versions in yaffs_mtdif1.c.
- */
- /* Default: Not selected */
- /* Meaning: Use older-style on-NAND data format with pageStatus byte */
--#define CONFIG_YAFFS_9BYTE_TAGS
-+/* #define CONFIG_YAFFS_9BYTE_TAGS */
-
- #endif /* YAFFS_OUT_OF_TREE */
-
---- a/fs/yaffs2/yaffs_checkptrw.c
-+++ b/fs/yaffs2/yaffs_checkptrw.c
-@@ -12,48 +12,43 @@
- */
-
- const char *yaffs_checkptrw_c_version =
-- "$Id: yaffs_checkptrw.c,v 1.14 2007-05-15 20:07:40 charles Exp $";
-+ "$Id: yaffs_checkptrw.c,v 1.18 2009-03-06 17:20:49 wookey Exp $";
-
-
- #include "yaffs_checkptrw.h"
--
-+#include "yaffs_getblockinfo.h"
-
- static int yaffs_CheckpointSpaceOk(yaffs_Device *dev)
- {
--
- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
-
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("checkpt blocks available = %d" TENDSTR),
- blocksAvailable));
-
--
- return (blocksAvailable <= 0) ? 0 : 1;
- }
-
-
- static int yaffs_CheckpointErase(yaffs_Device *dev)
- {
--
- int i;
-
--
-- if(!dev->eraseBlockInNAND)
-+ if (!dev->eraseBlockInNAND)
- return 0;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR),
-- dev->internalStartBlock,dev->internalEndBlock));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR),
-+ dev->internalStartBlock, dev->internalEndBlock));
-
-- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
-- if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("erasing checkpt block %d"TENDSTR),i));
-- if(dev->eraseBlockInNAND(dev,i- dev->blockOffset /* realign */)){
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i));
-+ if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) {
- bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
- dev->nErasedBlocks++;
- dev->nFreeChunks += dev->nChunksPerBlock;
-- }
-- else {
-- dev->markNANDBlockBad(dev,i);
-+ } else {
-+ dev->markNANDBlockBad(dev, i);
- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
- }
- }
-@@ -71,23 +66,23 @@ static void yaffs_CheckpointFindNextEras
- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR),
-- dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock));
-+ dev->nErasedBlocks, dev->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock));
-
-- if(dev->checkpointNextBlock >= 0 &&
-- dev->checkpointNextBlock <= dev->internalEndBlock &&
-- blocksAvailable > 0){
--
-- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
-- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){
-+ if (dev->checkpointNextBlock >= 0 &&
-+ dev->checkpointNextBlock <= dev->internalEndBlock &&
-+ blocksAvailable > 0) {
-+
-+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) {
- dev->checkpointNextBlock = i + 1;
- dev->checkpointCurrentBlock = i;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("allocating checkpt block %d"TENDSTR),i));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i));
- return;
- }
- }
- }
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR)));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR)));
-
- dev->checkpointNextBlock = -1;
- dev->checkpointCurrentBlock = -1;
-@@ -98,30 +93,31 @@ static void yaffs_CheckpointFindNextChec
- int i;
- yaffs_ExtendedTags tags;
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
- dev->blocksInCheckpoint, dev->checkpointNextBlock));
-
-- if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
-- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
-+ if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
-+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
- int chunk = i * dev->nChunksPerBlock;
- int realignedChunk = chunk - dev->chunkOffset;
-
-- dev->readChunkWithTagsFromNAND(dev,realignedChunk,NULL,&tags);
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
-- i, tags.objectId,tags.sequenceNumber,tags.eccResult));
-+ dev->readChunkWithTagsFromNAND(dev, realignedChunk,
-+ NULL, &tags);
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
-+ i, tags.objectId, tags.sequenceNumber, tags.eccResult));
-
-- if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){
-+ if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
- /* Right kind of block */
- dev->checkpointNextBlock = tags.objectId;
- dev->checkpointCurrentBlock = i;
- dev->checkpointBlockList[dev->blocksInCheckpoint] = i;
- dev->blocksInCheckpoint++;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found checkpt block %d"TENDSTR),i));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i));
- return;
- }
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found no more checkpt blocks"TENDSTR)));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR)));
-
- dev->checkpointNextBlock = -1;
- dev->checkpointCurrentBlock = -1;
-@@ -133,17 +129,17 @@ int yaffs_CheckpointOpen(yaffs_Device *d
-
- /* Got the functions we need? */
- if (!dev->writeChunkWithTagsToNAND ||
-- !dev->readChunkWithTagsFromNAND ||
-- !dev->eraseBlockInNAND ||
-- !dev->markNANDBlockBad)
-+ !dev->readChunkWithTagsFromNAND ||
-+ !dev->eraseBlockInNAND ||
-+ !dev->markNANDBlockBad)
- return 0;
-
-- if(forWriting && !yaffs_CheckpointSpaceOk(dev))
-+ if (forWriting && !yaffs_CheckpointSpaceOk(dev))
- return 0;
-
-- if(!dev->checkpointBuffer)
-- dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk);
-- if(!dev->checkpointBuffer)
-+ if (!dev->checkpointBuffer)
-+ dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk);
-+ if (!dev->checkpointBuffer)
- return 0;
-
-
-@@ -159,12 +155,10 @@ int yaffs_CheckpointOpen(yaffs_Device *d
- dev->checkpointNextBlock = dev->internalStartBlock;
-
- /* Erase all the blocks in the checkpoint area */
-- if(forWriting){
-- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
-+ if (forWriting) {
-+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
- dev->checkpointByteOffset = 0;
- return yaffs_CheckpointErase(dev);
--
--
- } else {
- int i;
- /* Set to a value that will kick off a read */
-@@ -174,7 +168,7 @@ int yaffs_CheckpointOpen(yaffs_Device *d
- dev->blocksInCheckpoint = 0;
- dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2;
- dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks);
-- for(i = 0; i < dev->checkpointMaxBlocks; i++)
-+ for (i = 0; i < dev->checkpointMaxBlocks; i++)
- dev->checkpointBlockList[i] = -1;
- }
-
-@@ -191,18 +185,17 @@ int yaffs_GetCheckpointSum(yaffs_Device
-
- static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev)
- {
--
- int chunk;
- int realignedChunk;
-
- yaffs_ExtendedTags tags;
-
-- if(dev->checkpointCurrentBlock < 0){
-+ if (dev->checkpointCurrentBlock < 0) {
- yaffs_CheckpointFindNextErasedBlock(dev);
- dev->checkpointCurrentChunk = 0;
- }
-
-- if(dev->checkpointCurrentBlock < 0)
-+ if (dev->checkpointCurrentBlock < 0)
- return 0;
-
- tags.chunkDeleted = 0;
-@@ -210,10 +203,10 @@ static int yaffs_CheckpointFlushBuffer(y
- tags.chunkId = dev->checkpointPageSequence + 1;
- tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA;
- tags.byteCount = dev->nDataBytesPerChunk;
-- if(dev->checkpointCurrentChunk == 0){
-+ if (dev->checkpointCurrentChunk == 0) {
- /* First chunk we write for the block? Set block state to
- checkpoint */
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointCurrentBlock);
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock);
- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
- dev->blocksInCheckpoint++;
- }
-@@ -221,28 +214,29 @@ static int yaffs_CheckpointFlushBuffer(y
- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk;
-
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
-- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
-+ chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId));
-
- realignedChunk = chunk - dev->chunkOffset;
-
-- dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags);
-+ dev->writeChunkWithTagsToNAND(dev, realignedChunk,
-+ dev->checkpointBuffer, &tags);
- dev->checkpointByteOffset = 0;
- dev->checkpointPageSequence++;
- dev->checkpointCurrentChunk++;
-- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){
-+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) {
- dev->checkpointCurrentChunk = 0;
- dev->checkpointCurrentBlock = -1;
- }
-- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
-+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
-
- return 1;
- }
-
-
--int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes)
-+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes)
- {
-- int i=0;
-+ int i = 0;
- int ok = 1;
-
-
-@@ -250,17 +244,14 @@ int yaffs_CheckpointWrite(yaffs_Device *
-
-
-
-- if(!dev->checkpointBuffer)
-+ if (!dev->checkpointBuffer)
- return 0;
-
-- if(!dev->checkpointOpenForWrite)
-+ if (!dev->checkpointOpenForWrite)
- return -1;
-
-- while(i < nBytes && ok) {
--
--
--
-- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ;
-+ while (i < nBytes && ok) {
-+ dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes;
- dev->checkpointSum += *dataBytes;
- dev->checkpointXor ^= *dataBytes;
-
-@@ -270,18 +261,17 @@ int yaffs_CheckpointWrite(yaffs_Device *
- dev->checkpointByteCount++;
-
-
-- if(dev->checkpointByteOffset < 0 ||
-+ if (dev->checkpointByteOffset < 0 ||
- dev->checkpointByteOffset >= dev->nDataBytesPerChunk)
- ok = yaffs_CheckpointFlushBuffer(dev);
--
- }
-
-- return i;
-+ return i;
- }
-
- int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes)
- {
-- int i=0;
-+ int i = 0;
- int ok = 1;
- yaffs_ExtendedTags tags;
-
-@@ -291,52 +281,54 @@ int yaffs_CheckpointRead(yaffs_Device *d
-
- __u8 *dataBytes = (__u8 *)data;
-
-- if(!dev->checkpointBuffer)
-+ if (!dev->checkpointBuffer)
- return 0;
-
-- if(dev->checkpointOpenForWrite)
-+ if (dev->checkpointOpenForWrite)
- return -1;
-
-- while(i < nBytes && ok) {
-+ while (i < nBytes && ok) {
-
-
-- if(dev->checkpointByteOffset < 0 ||
-- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
-+ if (dev->checkpointByteOffset < 0 ||
-+ dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
-
-- if(dev->checkpointCurrentBlock < 0){
-+ if (dev->checkpointCurrentBlock < 0) {
- yaffs_CheckpointFindNextCheckpointBlock(dev);
- dev->checkpointCurrentChunk = 0;
- }
-
-- if(dev->checkpointCurrentBlock < 0)
-+ if (dev->checkpointCurrentBlock < 0)
- ok = 0;
- else {
--
-- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock +
-- dev->checkpointCurrentChunk;
-+ chunk = dev->checkpointCurrentBlock *
-+ dev->nChunksPerBlock +
-+ dev->checkpointCurrentChunk;
-
- realignedChunk = chunk - dev->chunkOffset;
-
-- /* read in the next chunk */
-- /* printf("read checkpoint page %d\n",dev->checkpointPage); */
-- dev->readChunkWithTagsFromNAND(dev, realignedChunk,
-- dev->checkpointBuffer,
-- &tags);
--
-- if(tags.chunkId != (dev->checkpointPageSequence + 1) ||
-- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
-- ok = 0;
-+ /* read in the next chunk */
-+ /* printf("read checkpoint page %d\n",dev->checkpointPage); */
-+ dev->readChunkWithTagsFromNAND(dev,
-+ realignedChunk,
-+ dev->checkpointBuffer,
-+ &tags);
-+
-+ if (tags.chunkId != (dev->checkpointPageSequence + 1) ||
-+ tags.eccResult > YAFFS_ECC_RESULT_FIXED ||
-+ tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
-+ ok = 0;
-
- dev->checkpointByteOffset = 0;
- dev->checkpointPageSequence++;
- dev->checkpointCurrentChunk++;
-
-- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
-+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
- dev->checkpointCurrentBlock = -1;
- }
- }
-
-- if(ok){
-+ if (ok) {
- *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset];
- dev->checkpointSum += *dataBytes;
- dev->checkpointXor ^= *dataBytes;
-@@ -353,17 +345,17 @@ int yaffs_CheckpointRead(yaffs_Device *d
- int yaffs_CheckpointClose(yaffs_Device *dev)
- {
-
-- if(dev->checkpointOpenForWrite){
-- if(dev->checkpointByteOffset != 0)
-+ if (dev->checkpointOpenForWrite) {
-+ if (dev->checkpointByteOffset != 0)
- yaffs_CheckpointFlushBuffer(dev);
- } else {
- int i;
-- for(i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++){
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointBlockList[i]);
-- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
-+ for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointBlockList[i]);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
- else {
-- // Todo this looks odd...
-+ /* Todo this looks odd... */
- }
- }
- YFREE(dev->checkpointBlockList);
-@@ -374,27 +366,25 @@ int yaffs_CheckpointClose(yaffs_Device *
- dev->nErasedBlocks -= dev->blocksInCheckpoint;
-
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR),
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR),
- dev->checkpointByteCount));
-
-- if(dev->checkpointBuffer){
-+ if (dev->checkpointBuffer) {
- /* free the buffer */
- YFREE(dev->checkpointBuffer);
- dev->checkpointBuffer = NULL;
- return 1;
-- }
-- else
-+ } else
- return 0;
--
- }
-
- int yaffs_CheckpointInvalidateStream(yaffs_Device *dev)
- {
- /* Erase the first checksum block */
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint invalidate"TENDSTR)));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate"TENDSTR)));
-
-- if(!yaffs_CheckpointSpaceOk(dev))
-+ if (!yaffs_CheckpointSpaceOk(dev))
- return 0;
-
- return yaffs_CheckpointErase(dev);
---- a/fs/yaffs2/yaffs_checkptrw.h
-+++ b/fs/yaffs2/yaffs_checkptrw.h
-@@ -20,9 +20,9 @@
-
- int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting);
-
--int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes);
-+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes);
-
--int yaffs_CheckpointRead(yaffs_Device *dev,void *data, int nBytes);
-+int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes);
-
- int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum);
-
---- a/fs/yaffs2/yaffs_ecc.c
-+++ b/fs/yaffs2/yaffs_ecc.c
-@@ -29,7 +29,7 @@
- */
-
- const char *yaffs_ecc_c_version =
-- "$Id: yaffs_ecc.c,v 1.9 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $";
-
- #include "yportenv.h"
-
-@@ -109,12 +109,10 @@ void yaffs_ECCCalculate(const unsigned c
- b = column_parity_table[*data++];
- col_parity ^= b;
-
-- if (b & 0x01) // odd number of bits in the byte
-- {
-+ if (b & 0x01) { /* odd number of bits in the byte */
- line_parity ^= i;
- line_parity_prime ^= ~i;
- }
--
- }
-
- ecc[2] = (~col_parity) | 0x03;
-@@ -158,7 +156,7 @@ void yaffs_ECCCalculate(const unsigned c
- ecc[0] = ~t;
-
- #ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
-- // Swap the bytes into the wrong order
-+ /* Swap the bytes into the wrong order */
- t = ecc[0];
- ecc[0] = ecc[1];
- ecc[1] = t;
-@@ -189,7 +187,7 @@ int yaffs_ECCCorrect(unsigned char *data
- unsigned bit;
-
- #ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
-- // swap the bytes to correct for the wrong order
-+ /* swap the bytes to correct for the wrong order */
- unsigned char t;
-
- t = d0;
-@@ -251,7 +249,7 @@ int yaffs_ECCCorrect(unsigned char *data
- * ECCxxxOther does ECC calcs on arbitrary n bytes of data
- */
- void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * eccOther)
-+ yaffs_ECCOther *eccOther)
- {
- unsigned int i;
-
-@@ -278,8 +276,8 @@ void yaffs_ECCCalculateOther(const unsig
- }
-
- int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * read_ecc,
-- const yaffs_ECCOther * test_ecc)
-+ yaffs_ECCOther *read_ecc,
-+ const yaffs_ECCOther *test_ecc)
- {
- unsigned char cDelta; /* column parity delta */
- unsigned lDelta; /* line parity delta */
-@@ -294,8 +292,7 @@ int yaffs_ECCCorrectOther(unsigned char
- return 0; /* no error */
-
- if (lDelta == ~lDeltaPrime &&
-- (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15))
-- {
-+ (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) {
- /* Single bit (recoverable) error in data */
-
- bit = 0;
-@@ -307,7 +304,7 @@ int yaffs_ECCCorrectOther(unsigned char
- if (cDelta & 0x02)
- bit |= 0x01;
-
-- if(lDelta >= nBytes)
-+ if (lDelta >= nBytes)
- return -1;
-
- data[lDelta] ^= (1 << bit);
-@@ -316,7 +313,7 @@ int yaffs_ECCCorrectOther(unsigned char
- }
-
- if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) +
-- yaffs_CountBits(cDelta)) == 1) {
-+ yaffs_CountBits(cDelta)) == 1) {
- /* Reccoverable error in ecc */
-
- *read_ecc = *test_ecc;
-@@ -326,6 +323,4 @@ int yaffs_ECCCorrectOther(unsigned char
- /* Unrecoverable error */
-
- return -1;
--
- }
--
---- a/fs/yaffs2/yaffs_ecc.h
-+++ b/fs/yaffs2/yaffs_ecc.h
-@@ -13,15 +13,15 @@
- * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
- */
-
-- /*
-- * This code implements the ECC algorithm used in SmartMedia.
-- *
-- * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
-- * The two unused bit are set to 1.
-- * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
-- * blocks are used on a 512-byte NAND page.
-- *
-- */
-+/*
-+ * This code implements the ECC algorithm used in SmartMedia.
-+ *
-+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
-+ * The two unused bit are set to 1.
-+ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
-+ * blocks are used on a 512-byte NAND page.
-+ *
-+ */
-
- #ifndef __YAFFS_ECC_H__
- #define __YAFFS_ECC_H__
-@@ -34,11 +34,11 @@ typedef struct {
-
- void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc);
- int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
-- const unsigned char *test_ecc);
-+ const unsigned char *test_ecc);
-
- void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * ecc);
-+ yaffs_ECCOther *ecc);
- int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * read_ecc,
-- const yaffs_ECCOther * test_ecc);
-+ yaffs_ECCOther *read_ecc,
-+ const yaffs_ECCOther *test_ecc);
- #endif
---- a/fs/yaffs2/yaffs_fs.c
-+++ b/fs/yaffs2/yaffs_fs.c
-@@ -1,7 +1,7 @@
- /*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
-- * Copyright (C) 2002-2007 Aleph One Ltd.
-+ * Copyright (C) 2002-2009 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
-@@ -32,18 +32,17 @@
- */
-
- const char *yaffs_fs_c_version =
-- "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $";
-+ "$Id: yaffs_fs.c,v 1.79 2009-03-17 01:12:00 wookey Exp $";
- extern const char *yaffs_guts_c_version;
-
- #include <linux/version.h>
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- #include <linux/config.h>
- #endif
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/slab.h>
- #include <linux/init.h>
--#include <linux/list.h>
- #include <linux/fs.h>
- #include <linux/proc_fs.h>
- #include <linux/smp_lock.h>
-@@ -53,10 +52,12 @@ extern const char *yaffs_guts_c_version;
- #include <linux/string.h>
- #include <linux/ctype.h>
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#include "asm/div64.h"
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-
- #include <linux/statfs.h> /* Added NCB 15-8-2003 */
--#include <asm/statfs.h>
-+#include <linux/statfs.h>
- #define UnlockPage(p) unlock_page(p)
- #define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags)
-
-@@ -69,22 +70,45 @@ extern const char *yaffs_guts_c_version;
- #define BDEVNAME_SIZE 0
- #define yaffs_devname(sb, buf) kdevname(sb->s_dev)
-
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0))
- /* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */
- #define __user
- #endif
-
- #endif
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26))
-+#define YPROC_ROOT (&proc_root)
-+#else
-+#define YPROC_ROOT NULL
-+#endif
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- #define WRITE_SIZE_STR "writesize"
--#define WRITE_SIZE(mtd) (mtd)->writesize
-+#define WRITE_SIZE(mtd) ((mtd)->writesize)
- #else
- #define WRITE_SIZE_STR "oobblock"
--#define WRITE_SIZE(mtd) (mtd)->oobblock
-+#define WRITE_SIZE(mtd) ((mtd)->oobblock)
- #endif
-
--#include <asm/uaccess.h>
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27))
-+#define YAFFS_USE_WRITE_BEGIN_END 1
-+#else
-+#define YAFFS_USE_WRITE_BEGIN_END 0
-+#endif
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28))
-+static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size)
-+{
-+ uint64_t result = partition_size;
-+ do_div(result, block_size);
-+ return (uint32_t)result;
-+}
-+#else
-+#define YCALCBLOCKS(s, b) ((s)/(b))
-+#endif
-+
-+#include <linux/uaccess.h>
-
- #include "yportenv.h"
- #include "yaffs_guts.h"
-@@ -96,28 +120,44 @@ extern const char *yaffs_guts_c_version;
-
- unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS;
- unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS;
-+unsigned int yaffs_auto_checkpoint = 1;
-
- /* Module Parameters */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
--module_param(yaffs_traceMask,uint,0644);
--module_param(yaffs_wr_attempts,uint,0644);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+module_param(yaffs_traceMask, uint, 0644);
-+module_param(yaffs_wr_attempts, uint, 0644);
-+module_param(yaffs_auto_checkpoint, uint, 0644);
-+#else
-+MODULE_PARM(yaffs_traceMask, "i");
-+MODULE_PARM(yaffs_wr_attempts, "i");
-+MODULE_PARM(yaffs_auto_checkpoint, "i");
-+#endif
-+
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
-+/* use iget and read_inode */
-+#define Y_IGET(sb, inum) iget((sb), (inum))
-+static void yaffs_read_inode(struct inode *inode);
-+
- #else
--MODULE_PARM(yaffs_traceMask,"i");
--MODULE_PARM(yaffs_wr_attempts,"i");
-+/* Call local equivalent */
-+#define YAFFS_USE_OWN_IGET
-+#define Y_IGET(sb, inum) yaffs_iget((sb), (inum))
-+
-+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino);
- #endif
-
- /*#define T(x) printk x */
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
--#define yaffs_InodeToObjectLV(iptr) (iptr)->i_private
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
-+#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private)
- #else
--#define yaffs_InodeToObjectLV(iptr) (iptr)->u.generic_ip
-+#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip)
- #endif
-
- #define yaffs_InodeToObject(iptr) ((yaffs_Object *)(yaffs_InodeToObjectLV(iptr)))
- #define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode)
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info)
- #else
- #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp)
-@@ -126,47 +166,49 @@ MODULE_PARM(yaffs_wr_attempts,"i");
- static void yaffs_put_super(struct super_block *sb);
-
- static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
-- loff_t * pos);
-+ loff_t *pos);
-+static ssize_t yaffs_hold_space(struct file *f);
-+static void yaffs_release_space(struct file *f);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_file_flush(struct file *file, fl_owner_t id);
- #else
- static int yaffs_file_flush(struct file *file);
- #endif
-
- static int yaffs_sync_object(struct file *file, struct dentry *dentry,
-- int datasync);
-+ int datasync);
-
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *n);
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
-- struct nameidata *n);
-+ struct nameidata *n);
- #else
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry);
- #endif
- static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
-- struct dentry *dentry);
-+ struct dentry *dentry);
- static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
- static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
-- const char *symname);
-+ const char *symname);
- static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- dev_t dev);
-+ dev_t dev);
- #else
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- int dev);
-+ int dev);
- #endif
- static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
- static int yaffs_setattr(struct dentry *dentry, struct iattr *attr);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_sync_fs(struct super_block *sb, int wait);
- static void yaffs_write_super(struct super_block *sb);
- #else
-@@ -174,33 +216,47 @@ static int yaffs_sync_fs(struct super_bl
- static int yaffs_write_super(struct super_block *sb);
- #endif
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf);
--#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf);
- #else
- static int yaffs_statfs(struct super_block *sb, struct statfs *buf);
- #endif
--static void yaffs_read_inode(struct inode *inode);
-
-+#ifdef YAFFS_HAS_PUT_INODE
- static void yaffs_put_inode(struct inode *inode);
-+#endif
-+
- static void yaffs_delete_inode(struct inode *);
- static void yaffs_clear_inode(struct inode *);
-
- static int yaffs_readpage(struct file *file, struct page *page);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_writepage(struct page *page, struct writeback_control *wbc);
- #else
- static int yaffs_writepage(struct page *page);
- #endif
-+
-+
-+#if (YAFFS_USE_WRITE_BEGIN_END != 0)
-+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned flags,
-+ struct page **pagep, void **fsdata);
-+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned copied,
-+ struct page *pg, void *fsdadata);
-+#else
- static int yaffs_prepare_write(struct file *f, struct page *pg,
-- unsigned offset, unsigned to);
-+ unsigned offset, unsigned to);
- static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
-- unsigned to);
-+ unsigned to);
-
--static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
-- int buflen);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-+#endif
-+
-+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
-+ int buflen);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
- static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
- #else
- static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
-@@ -209,12 +265,17 @@ static int yaffs_follow_link(struct dent
- static struct address_space_operations yaffs_file_address_operations = {
- .readpage = yaffs_readpage,
- .writepage = yaffs_writepage,
-+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
-+ .write_begin = yaffs_write_begin,
-+ .write_end = yaffs_write_end,
-+#else
- .prepare_write = yaffs_prepare_write,
- .commit_write = yaffs_commit_write,
-+#endif
- };
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
--static struct file_operations yaffs_file_operations = {
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
-+static const struct file_operations yaffs_file_operations = {
- .read = do_sync_read,
- .write = do_sync_write,
- .aio_read = generic_file_aio_read,
-@@ -224,11 +285,12 @@ static struct file_operations yaffs_file
- .fsync = yaffs_sync_object,
- .splice_read = generic_file_splice_read,
- .splice_write = generic_file_splice_write,
-+ .llseek = generic_file_llseek,
- };
-
--#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
-
--static struct file_operations yaffs_file_operations = {
-+static const struct file_operations yaffs_file_operations = {
- .read = do_sync_read,
- .write = do_sync_write,
- .aio_read = generic_file_aio_read,
-@@ -241,29 +303,29 @@ static struct file_operations yaffs_file
-
- #else
-
--static struct file_operations yaffs_file_operations = {
-+static const struct file_operations yaffs_file_operations = {
- .read = generic_file_read,
- .write = generic_file_write,
- .mmap = generic_file_mmap,
- .flush = yaffs_file_flush,
- .fsync = yaffs_sync_object,
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- .sendfile = generic_file_sendfile,
- #endif
- };
- #endif
-
--static struct inode_operations yaffs_file_inode_operations = {
-+static const struct inode_operations yaffs_file_inode_operations = {
- .setattr = yaffs_setattr,
- };
-
--static struct inode_operations yaffs_symlink_inode_operations = {
-+static const struct inode_operations yaffs_symlink_inode_operations = {
- .readlink = yaffs_readlink,
- .follow_link = yaffs_follow_link,
- .setattr = yaffs_setattr,
- };
-
--static struct inode_operations yaffs_dir_inode_operations = {
-+static const struct inode_operations yaffs_dir_inode_operations = {
- .create = yaffs_create,
- .lookup = yaffs_lookup,
- .link = yaffs_link,
-@@ -276,16 +338,21 @@ static struct inode_operations yaffs_dir
- .setattr = yaffs_setattr,
- };
-
--static struct file_operations yaffs_dir_operations = {
-+static const struct file_operations yaffs_dir_operations = {
- .read = generic_read_dir,
- .readdir = yaffs_readdir,
- .fsync = yaffs_sync_object,
- };
-
--static struct super_operations yaffs_super_ops = {
-+static const struct super_operations yaffs_super_ops = {
- .statfs = yaffs_statfs,
-+
-+#ifndef YAFFS_USE_OWN_IGET
- .read_inode = yaffs_read_inode,
-+#endif
-+#ifdef YAFFS_HAS_PUT_INODE
- .put_inode = yaffs_put_inode,
-+#endif
- .put_super = yaffs_put_super,
- .delete_inode = yaffs_delete_inode,
- .clear_inode = yaffs_clear_inode,
-@@ -293,22 +360,21 @@ static struct super_operations yaffs_sup
- .write_super = yaffs_write_super,
- };
-
--static void yaffs_GrossLock(yaffs_Device * dev)
-+static void yaffs_GrossLock(yaffs_Device *dev)
- {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs locking\n"));
--
-+ T(YAFFS_TRACE_OS, ("yaffs locking %p\n", current));
- down(&dev->grossLock);
-+ T(YAFFS_TRACE_OS, ("yaffs locked %p\n", current));
- }
-
--static void yaffs_GrossUnlock(yaffs_Device * dev)
-+static void yaffs_GrossUnlock(yaffs_Device *dev)
- {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs unlocking\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current));
- up(&dev->grossLock);
--
- }
-
--static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
-- int buflen)
-+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
-+ int buflen)
- {
- unsigned char *alias;
- int ret;
-@@ -329,7 +395,7 @@ static int yaffs_readlink(struct dentry
- return ret;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
- static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
- #else
- static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
-@@ -345,32 +411,31 @@ static int yaffs_follow_link(struct dent
-
- yaffs_GrossUnlock(dev);
-
-- if (!alias)
-- {
-+ if (!alias) {
- ret = -ENOMEM;
- goto out;
-- }
-+ }
-
- ret = vfs_follow_link(nd, alias);
- kfree(alias);
- out:
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-- return ERR_PTR (ret);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
-+ return ERR_PTR(ret);
- #else
- return ret;
- #endif
- }
-
- struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
-- yaffs_Object * obj);
-+ yaffs_Object *obj);
-
- /*
- * Lookup is used to find objects in the fs
- */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
-- struct nameidata *n)
-+ struct nameidata *n)
- #else
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
- #endif
-@@ -383,12 +448,11 @@ static struct dentry *yaffs_lookup(struc
- yaffs_GrossLock(dev);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_lookup for %d:%s\n",
-- yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
-+ ("yaffs_lookup for %d:%s\n",
-+ yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
-
-- obj =
-- yaffs_FindObjectByName(yaffs_InodeToObject(dir),
-- dentry->d_name.name);
-+ obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir),
-+ dentry->d_name.name);
-
- obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */
-
-@@ -397,13 +461,13 @@ static struct dentry *yaffs_lookup(struc
-
- if (obj) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_lookup found %d\n", obj->objectId));
-+ ("yaffs_lookup found %d\n", obj->objectId));
-
- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
-
- if (inode) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_loookup dentry \n"));
-+ ("yaffs_loookup dentry \n"));
- /* #if 0 asserted by NCB for 2.5/6 compatability - falls through to
- * d_add even if NULL inode */
- #if 0
-@@ -416,7 +480,7 @@ static struct dentry *yaffs_lookup(struc
- }
-
- } else {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_lookup not found\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_lookup not found\n"));
-
- }
-
-@@ -425,20 +489,22 @@ static struct dentry *yaffs_lookup(struc
- d_add(dentry, inode);
-
- return NULL;
-- /* return (ERR_PTR(-EIO)); */
--
- }
-
-+
-+#ifdef YAFFS_HAS_PUT_INODE
-+
- /* For now put inode is just for debugging
- * Put inode is called when the inode **structure** is put.
- */
- static void yaffs_put_inode(struct inode *inode)
- {
- T(YAFFS_TRACE_OS,
-- ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
-- atomic_read(&inode->i_count)));
-+ ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
-+ atomic_read(&inode->i_count)));
-
- }
-+#endif
-
- /* clear is called to tell the fs to release any per-inode data it holds */
- static void yaffs_clear_inode(struct inode *inode)
-@@ -449,9 +515,9 @@ static void yaffs_clear_inode(struct ino
- obj = yaffs_InodeToObject(inode);
-
- T(YAFFS_TRACE_OS,
-- ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-- atomic_read(&inode->i_count),
-- obj ? "object exists" : "null object"));
-+ ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-+ atomic_read(&inode->i_count),
-+ obj ? "object exists" : "null object"));
-
- if (obj) {
- dev = obj->myDev;
-@@ -486,23 +552,23 @@ static void yaffs_delete_inode(struct in
- yaffs_Device *dev;
-
- T(YAFFS_TRACE_OS,
-- ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-- atomic_read(&inode->i_count),
-- obj ? "object exists" : "null object"));
-+ ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-+ atomic_read(&inode->i_count),
-+ obj ? "object exists" : "null object"));
-
- if (obj) {
- dev = obj->myDev;
- yaffs_GrossLock(dev);
-- yaffs_DeleteFile(obj);
-+ yaffs_DeleteObject(obj);
- yaffs_GrossUnlock(dev);
- }
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-- truncate_inode_pages (&inode->i_data, 0);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
-+ truncate_inode_pages(&inode->i_data, 0);
- #endif
- clear_inode(inode);
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_file_flush(struct file *file, fl_owner_t id)
- #else
- static int yaffs_file_flush(struct file *file)
-@@ -513,8 +579,8 @@ static int yaffs_file_flush(struct file
- yaffs_Device *dev = obj->myDev;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_file_flush object %d (%s)\n", obj->objectId,
-- obj->dirty ? "dirty" : "clean"));
-+ ("yaffs_file_flush object %d (%s)\n", obj->objectId,
-+ obj->dirty ? "dirty" : "clean"));
-
- yaffs_GrossLock(dev);
-
-@@ -535,15 +601,15 @@ static int yaffs_readpage_nolock(struct
-
- yaffs_Device *dev;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage at %08x, size %08x\n",
-- (unsigned)(pg->index << PAGE_CACHE_SHIFT),
-- (unsigned)PAGE_CACHE_SIZE));
-+ T(YAFFS_TRACE_OS, ("yaffs_readpage at %08x, size %08x\n",
-+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
-+ (unsigned)PAGE_CACHE_SIZE));
-
- obj = yaffs_DentryToObject(f->f_dentry);
-
- dev = obj->myDev;
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- BUG_ON(!PageLocked(pg));
- #else
- if (!PageLocked(pg))
-@@ -555,9 +621,9 @@ static int yaffs_readpage_nolock(struct
-
- yaffs_GrossLock(dev);
-
-- ret =
-- yaffs_ReadDataFromFile(obj, pg_buf, pg->index << PAGE_CACHE_SHIFT,
-- PAGE_CACHE_SIZE);
-+ ret = yaffs_ReadDataFromFile(obj, pg_buf,
-+ pg->index << PAGE_CACHE_SHIFT,
-+ PAGE_CACHE_SIZE);
-
- yaffs_GrossUnlock(dev);
-
-@@ -575,7 +641,7 @@ static int yaffs_readpage_nolock(struct
- flush_dcache_page(pg);
- kunmap(pg);
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage done\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_readpage done\n"));
- return ret;
- }
-
-@@ -593,7 +659,7 @@ static int yaffs_readpage(struct file *f
-
- /* writepage inspired by/stolen from smbfs */
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_writepage(struct page *page, struct writeback_control *wbc)
- #else
- static int yaffs_writepage(struct page *page)
-@@ -616,12 +682,11 @@ static int yaffs_writepage(struct page *
-
- if (offset > inode->i_size) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_writepage at %08x, inode size = %08x!!!\n",
-- (unsigned)(page->index << PAGE_CACHE_SHIFT),
-- (unsigned)inode->i_size));
-+ ("yaffs_writepage at %08x, inode size = %08x!!!\n",
-+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
-+ (unsigned)inode->i_size));
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG " -> don't care!!\n"));
-+ (" -> don't care!!\n"));
- unlock_page(page);
- return 0;
- }
-@@ -629,11 +694,10 @@ static int yaffs_writepage(struct page *
- end_index = inode->i_size >> PAGE_CACHE_SHIFT;
-
- /* easy case */
-- if (page->index < end_index) {
-+ if (page->index < end_index)
- nBytes = PAGE_CACHE_SIZE;
-- } else {
-+ else
- nBytes = inode->i_size & (PAGE_CACHE_SIZE - 1);
-- }
-
- get_page(page);
-
-@@ -643,19 +707,18 @@ static int yaffs_writepage(struct page *
- yaffs_GrossLock(obj->myDev);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_writepage at %08x, size %08x\n",
-- (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
-+ ("yaffs_writepage at %08x, size %08x\n",
-+ (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "writepag0: obj = %05x, ino = %05x\n",
-- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-+ ("writepag0: obj = %05x, ino = %05x\n",
-+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-
-- nWritten =
-- yaffs_WriteDataToFile(obj, buffer, page->index << PAGE_CACHE_SHIFT,
-- nBytes, 0);
-+ nWritten = yaffs_WriteDataToFile(obj, buffer,
-+ page->index << PAGE_CACHE_SHIFT, nBytes, 0);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "writepag1: obj = %05x, ino = %05x\n",
-- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-+ ("writepag1: obj = %05x, ino = %05x\n",
-+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-
- yaffs_GrossUnlock(obj->myDev);
-
-@@ -667,100 +730,207 @@ static int yaffs_writepage(struct page *
- return (nWritten == nBytes) ? 0 : -ENOSPC;
- }
-
-+
-+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
-+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned flags,
-+ struct page **pagep, void **fsdata)
-+{
-+ struct page *pg = NULL;
-+ pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-+ uint32_t offset = pos & (PAGE_CACHE_SIZE - 1);
-+ uint32_t to = offset + len;
-+
-+ int ret = 0;
-+ int space_held = 0;
-+
-+ T(YAFFS_TRACE_OS, ("start yaffs_write_begin\n"));
-+ /* Get a page */
-+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)
-+ pg = grab_cache_page_write_begin(mapping, index, flags);
-+#else
-+ pg = __grab_cache_page(mapping, index);
-+#endif
-+
-+ *pagep = pg;
-+ if (!pg) {
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ /* Get fs space */
-+ space_held = yaffs_hold_space(filp);
-+
-+ if (!space_held) {
-+ ret = -ENOSPC;
-+ goto out;
-+ }
-+
-+ /* Update page if required */
-+
-+ if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
-+ ret = yaffs_readpage_nolock(filp, pg);
-+
-+ if (ret)
-+ goto out;
-+
-+ /* Happy path return */
-+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin - ok\n"));
-+
-+ return 0;
-+
-+out:
-+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin fail returning %d\n", ret));
-+ if (space_held)
-+ yaffs_release_space(filp);
-+ if (pg) {
-+ unlock_page(pg);
-+ page_cache_release(pg);
-+ }
-+ return ret;
-+}
-+
-+#else
-+
- static int yaffs_prepare_write(struct file *f, struct page *pg,
-- unsigned offset, unsigned to)
-+ unsigned offset, unsigned to)
- {
-+ T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n"));
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_prepair_write\n"));
- if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
- return yaffs_readpage_nolock(f, pg);
--
- return 0;
-+}
-+#endif
-+
-+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
-+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned copied,
-+ struct page *pg, void *fsdadata)
-+{
-+ int ret = 0;
-+ void *addr, *kva;
-+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
-+
-+ kva = kmap(pg);
-+ addr = kva + offset_into_page;
-+
-+ T(YAFFS_TRACE_OS,
-+ ("yaffs_write_end addr %x pos %x nBytes %d\n",
-+ (unsigned) addr,
-+ (int)pos, copied));
-+
-+ ret = yaffs_file_write(filp, addr, copied, &pos);
-+
-+ if (ret != copied) {
-+ T(YAFFS_TRACE_OS,
-+ ("yaffs_write_end not same size ret %d copied %d\n",
-+ ret, copied));
-+ SetPageError(pg);
-+ ClearPageUptodate(pg);
-+ } else {
-+ SetPageUptodate(pg);
-+ }
-+
-+ kunmap(pg);
-
-+ yaffs_release_space(filp);
-+ unlock_page(pg);
-+ page_cache_release(pg);
-+ return ret;
- }
-+#else
-
- static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
-- unsigned to)
-+ unsigned to)
- {
-+ void *addr, *kva;
-
-- void *addr = page_address(pg) + offset;
- loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
- int nBytes = to - offset;
- int nWritten;
-
- unsigned spos = pos;
-- unsigned saddr = (unsigned)addr;
-+ unsigned saddr;
-+
-+ kva = kmap(pg);
-+ addr = kva + offset;
-+
-+ saddr = (unsigned) addr;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_commit_write addr %x pos %x nBytes %d\n", saddr,
-- spos, nBytes));
-+ ("yaffs_commit_write addr %x pos %x nBytes %d\n",
-+ saddr, spos, nBytes));
-
- nWritten = yaffs_file_write(f, addr, nBytes, &pos);
-
- if (nWritten != nBytes) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_commit_write not same size nWritten %d nBytes %d\n",
-- nWritten, nBytes));
-+ ("yaffs_commit_write not same size nWritten %d nBytes %d\n",
-+ nWritten, nBytes));
- SetPageError(pg);
- ClearPageUptodate(pg);
- } else {
- SetPageUptodate(pg);
- }
-
-+ kunmap(pg);
-+
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_commit_write returning %d\n",
-- nWritten == nBytes ? 0 : nWritten));
-+ ("yaffs_commit_write returning %d\n",
-+ nWritten == nBytes ? 0 : nWritten));
-
- return nWritten == nBytes ? 0 : nWritten;
--
- }
-+#endif
-+
-
--static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj)
-+static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj)
- {
- if (inode && obj) {
-
-
- /* Check mode against the variant type and attempt to repair if broken. */
-- __u32 mode = obj->yst_mode;
-- switch( obj->variantType ){
-- case YAFFS_OBJECT_TYPE_FILE :
-- if( ! S_ISREG(mode) ){
-- obj->yst_mode &= ~S_IFMT;
-- obj->yst_mode |= S_IFREG;
-- }
--
-- break;
-- case YAFFS_OBJECT_TYPE_SYMLINK :
-- if( ! S_ISLNK(mode) ){
-- obj->yst_mode &= ~S_IFMT;
-- obj->yst_mode |= S_IFLNK;
-- }
--
-- break;
-- case YAFFS_OBJECT_TYPE_DIRECTORY :
-- if( ! S_ISDIR(mode) ){
-- obj->yst_mode &= ~S_IFMT;
-- obj->yst_mode |= S_IFDIR;
-- }
--
-- break;
-- case YAFFS_OBJECT_TYPE_UNKNOWN :
-- case YAFFS_OBJECT_TYPE_HARDLINK :
-- case YAFFS_OBJECT_TYPE_SPECIAL :
-- default:
-- /* TODO? */
-- break;
-- }
-+ __u32 mode = obj->yst_mode;
-+ switch (obj->variantType) {
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ if (!S_ISREG(mode)) {
-+ obj->yst_mode &= ~S_IFMT;
-+ obj->yst_mode |= S_IFREG;
-+ }
-+
-+ break;
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ if (!S_ISLNK(mode)) {
-+ obj->yst_mode &= ~S_IFMT;
-+ obj->yst_mode |= S_IFLNK;
-+ }
-+
-+ break;
-+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ if (!S_ISDIR(mode)) {
-+ obj->yst_mode &= ~S_IFMT;
-+ obj->yst_mode |= S_IFDIR;
-+ }
-+
-+ break;
-+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ default:
-+ /* TODO? */
-+ break;
-+ }
-+
-+ inode->i_flags |= S_NOATIME;
-
- inode->i_ino = obj->objectId;
- inode->i_mode = obj->yst_mode;
- inode->i_uid = obj->yst_uid;
- inode->i_gid = obj->yst_gid;
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- inode->i_blksize = inode->i_sb->s_blocksize;
- #endif
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-
- inode->i_rdev = old_decode_dev(obj->yst_rdev);
- inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
-@@ -781,26 +951,25 @@ static void yaffs_FillInodeFromObject(st
- inode->i_nlink = yaffs_GetObjectLinkCount(obj);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
-- inode->i_mode, inode->i_uid, inode->i_gid,
-- (int)inode->i_size, atomic_read(&inode->i_count)));
-+ ("yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
-+ inode->i_mode, inode->i_uid, inode->i_gid,
-+ (int)inode->i_size, atomic_read(&inode->i_count)));
-
- switch (obj->yst_mode & S_IFMT) {
- default: /* fifo, device or socket */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- init_special_inode(inode, obj->yst_mode,
-- old_decode_dev(obj->yst_rdev));
-+ old_decode_dev(obj->yst_rdev));
- #else
- init_special_inode(inode, obj->yst_mode,
-- (dev_t) (obj->yst_rdev));
-+ (dev_t) (obj->yst_rdev));
- #endif
- break;
- case S_IFREG: /* file */
- inode->i_op = &yaffs_file_inode_operations;
- inode->i_fop = &yaffs_file_operations;
- inode->i_mapping->a_ops =
-- &yaffs_file_address_operations;
-+ &yaffs_file_address_operations;
- break;
- case S_IFDIR: /* directory */
- inode->i_op = &yaffs_dir_inode_operations;
-@@ -817,34 +986,36 @@ static void yaffs_FillInodeFromObject(st
-
- } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_FileInode invalid parameters\n"));
-+ ("yaffs_FileInode invalid parameters\n"));
- }
-
- }
-
- struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
-- yaffs_Object * obj)
-+ yaffs_Object *obj)
- {
- struct inode *inode;
-
- if (!sb) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_get_inode for NULL super_block!!\n"));
-+ ("yaffs_get_inode for NULL super_block!!\n"));
- return NULL;
-
- }
-
- if (!obj) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_get_inode for NULL object!!\n"));
-+ ("yaffs_get_inode for NULL object!!\n"));
- return NULL;
-
- }
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_get_inode for object %d\n", obj->objectId));
-+ ("yaffs_get_inode for object %d\n", obj->objectId));
-
-- inode = iget(sb, obj->objectId);
-+ inode = Y_IGET(sb, obj->objectId);
-+ if (IS_ERR(inode))
-+ return NULL;
-
- /* NB Side effect: iget calls back to yaffs_read_inode(). */
- /* iget also increments the inode's i_count */
-@@ -854,7 +1025,7 @@ struct inode *yaffs_get_inode(struct sup
- }
-
- static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
-- loff_t * pos)
-+ loff_t *pos)
- {
- yaffs_Object *obj;
- int nWritten, ipos;
-@@ -869,28 +1040,26 @@ static ssize_t yaffs_file_write(struct f
-
- inode = f->f_dentry->d_inode;
-
-- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) {
-+ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
- ipos = inode->i_size;
-- } else {
-+ else
- ipos = *pos;
-- }
-
-- if (!obj) {
-+ if (!obj)
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_file_write: hey obj is null!\n"));
-- } else {
-+ ("yaffs_file_write: hey obj is null!\n"));
-+ else
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_file_write about to write writing %d bytes"
-- "to object %d at %d\n",
-- n, obj->objectId, ipos));
-- }
-+ ("yaffs_file_write about to write writing %zu bytes"
-+ "to object %d at %d\n",
-+ n, obj->objectId, ipos));
-
- nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_file_write writing %d bytes, %d written at %d\n",
-- n, nWritten, ipos));
-+ ("yaffs_file_write writing %zu bytes, %d written at %d\n",
-+ n, nWritten, ipos));
-+
- if (nWritten > 0) {
- ipos += nWritten;
- *pos = ipos;
-@@ -899,10 +1068,9 @@ static ssize_t yaffs_file_write(struct f
- inode->i_blocks = (ipos + 511) >> 9;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_file_write size updated to %d bytes, "
-- "%d blocks\n",
-- ipos, (int)(inode->i_blocks)));
-+ ("yaffs_file_write size updated to %d bytes, "
-+ "%d blocks\n",
-+ ipos, (int)(inode->i_blocks)));
- }
-
- }
-@@ -910,13 +1078,54 @@ static ssize_t yaffs_file_write(struct f
- return nWritten == 0 ? -ENOSPC : nWritten;
- }
-
-+/* Space holding and freeing is done to ensure we have space available for write_begin/end */
-+/* For now we just assume few parallel writes and check against a small number. */
-+/* Todo: need to do this with a counter to handle parallel reads better */
-+
-+static ssize_t yaffs_hold_space(struct file *f)
-+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
-+
-+ int nFreeChunks;
-+
-+
-+ obj = yaffs_DentryToObject(f->f_dentry);
-+
-+ dev = obj->myDev;
-+
-+ yaffs_GrossLock(dev);
-+
-+ nFreeChunks = yaffs_GetNumberOfFreeChunks(dev);
-+
-+ yaffs_GrossUnlock(dev);
-+
-+ return (nFreeChunks > 20) ? 1 : 0;
-+}
-+
-+static void yaffs_release_space(struct file *f)
-+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
-+
-+
-+ obj = yaffs_DentryToObject(f->f_dentry);
-+
-+ dev = obj->myDev;
-+
-+ yaffs_GrossLock(dev);
-+
-+
-+ yaffs_GrossUnlock(dev);
-+}
-+
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
- {
- yaffs_Object *obj;
- yaffs_Device *dev;
- struct inode *inode = f->f_dentry->d_inode;
- unsigned long offset, curoffs;
-- struct list_head *i;
-+ struct ylist_head *i;
- yaffs_Object *l;
-
- char name[YAFFS_MAX_NAME_LENGTH + 1];
-@@ -932,24 +1141,20 @@ static int yaffs_readdir(struct file *f,
-
- if (offset == 0) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_readdir: entry . ino %d \n",
-- (int)inode->i_ino));
-- if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR)
-- < 0) {
-+ ("yaffs_readdir: entry . ino %d \n",
-+ (int)inode->i_ino));
-+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0)
- goto out;
-- }
- offset++;
- f->f_pos++;
- }
- if (offset == 1) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_readdir: entry .. ino %d \n",
-- (int)f->f_dentry->d_parent->d_inode->i_ino));
-- if (filldir
-- (dirent, "..", 2, offset,
-- f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) {
-+ ("yaffs_readdir: entry .. ino %d \n",
-+ (int)f->f_dentry->d_parent->d_inode->i_ino));
-+ if (filldir(dirent, "..", 2, offset,
-+ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0)
- goto out;
-- }
- offset++;
- f->f_pos++;
- }
-@@ -965,35 +1170,32 @@ static int yaffs_readdir(struct file *f,
- f->f_version = inode->i_version;
- }
-
-- list_for_each(i, &obj->variant.directoryVariant.children) {
-+ ylist_for_each(i, &obj->variant.directoryVariant.children) {
- curoffs++;
- if (curoffs >= offset) {
-- l = list_entry(i, yaffs_Object, siblings);
-+ l = ylist_entry(i, yaffs_Object, siblings);
-
- yaffs_GetObjectName(l, name,
- YAFFS_MAX_NAME_LENGTH + 1);
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_readdir: %s inode %d\n", name,
-+ ("yaffs_readdir: %s inode %d\n", name,
- yaffs_GetObjectInode(l)));
-
- if (filldir(dirent,
-- name,
-- strlen(name),
-- offset,
-- yaffs_GetObjectInode(l),
-- yaffs_GetObjectType(l))
-- < 0) {
-+ name,
-+ strlen(name),
-+ offset,
-+ yaffs_GetObjectInode(l),
-+ yaffs_GetObjectType(l)) < 0)
- goto up_and_out;
-- }
-
- offset++;
- f->f_pos++;
- }
- }
-
-- up_and_out:
-- out:
--
-+up_and_out:
-+out:
- yaffs_GrossUnlock(dev);
-
- return 0;
-@@ -1002,12 +1204,19 @@ static int yaffs_readdir(struct file *f,
- /*
- * File creation. Allocate an inode, and we're done..
- */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
-+#define YCRED(x) x
-+#else
-+#define YCRED(x) (x->cred)
-+#endif
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- dev_t rdev)
-+ dev_t rdev)
- #else
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- int rdev)
-+ int rdev)
- #endif
- {
- struct inode *inode;
-@@ -1018,25 +1227,25 @@ static int yaffs_mknod(struct inode *dir
- yaffs_Object *parent = yaffs_InodeToObject(dir);
-
- int error = -ENOSPC;
-- uid_t uid = current->fsuid;
-- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-+ uid_t uid = YCRED(current)->fsuid;
-+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
-
-- if((dir->i_mode & S_ISGID) && S_ISDIR(mode))
-+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
- mode |= S_ISGID;
-
- if (parent) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod: parent object %d type %d\n",
-- parent->objectId, parent->variantType));
-+ ("yaffs_mknod: parent object %d type %d\n",
-+ parent->objectId, parent->variantType));
- } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod: could not get parent object\n"));
-+ ("yaffs_mknod: could not get parent object\n"));
- return -EPERM;
- }
-
- T(YAFFS_TRACE_OS, ("yaffs_mknod: making oject for %s, "
-- "mode %x dev %x\n",
-- dentry->d_name.name, mode, rdev));
-+ "mode %x dev %x\n",
-+ dentry->d_name.name, mode, rdev));
-
- dev = parent->myDev;
-
-@@ -1045,33 +1254,28 @@ static int yaffs_mknod(struct inode *dir
- switch (mode & S_IFMT) {
- default:
- /* Special (socket, fifo, device...) */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG
-- "yaffs_mknod: making special\n"));
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-- obj =
-- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-- gid, old_encode_dev(rdev));
--#else
-- obj =
-- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-- gid, rdev);
-+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making special\n"));
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-+ gid, old_encode_dev(rdev));
-+#else
-+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-+ gid, rdev);
- #endif
- break;
- case S_IFREG: /* file */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
-- obj =
-- yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
-- gid);
-+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making file\n"));
-+ obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
-+ gid);
- break;
- case S_IFDIR: /* directory */
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod: making directory\n"));
-- obj =
-- yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
-- uid, gid);
-+ ("yaffs_mknod: making directory\n"));
-+ obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
-+ uid, gid);
- break;
- case S_IFLNK: /* symlink */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making symlink\n"));
- obj = NULL; /* Do we ever get here? */
- break;
- }
-@@ -1083,12 +1287,12 @@ static int yaffs_mknod(struct inode *dir
- inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
- d_instantiate(dentry, inode);
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod created object %d count = %d\n",
-- obj->objectId, atomic_read(&inode->i_count)));
-+ ("yaffs_mknod created object %d count = %d\n",
-+ obj->objectId, atomic_read(&inode->i_count)));
- error = 0;
- } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod failed making object\n"));
-+ ("yaffs_mknod failed making object\n"));
- error = -ENOMEM;
- }
-
-@@ -1098,25 +1302,19 @@ static int yaffs_mknod(struct inode *dir
- static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
- {
- int retVal;
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mkdir\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_mkdir\n"));
- retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
--#if 0
-- /* attempt to fix dir bug - didn't work */
-- if (!retVal) {
-- dget(dentry);
-- }
--#endif
- return retVal;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *n)
- #else
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode)
- #endif
- {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_create\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_create\n"));
- return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
- }
-
-@@ -1127,8 +1325,8 @@ static int yaffs_unlink(struct inode *di
- yaffs_Device *dev;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_unlink %d:%s\n", (int)(dir->i_ino),
-- dentry->d_name.name));
-+ ("yaffs_unlink %d:%s\n", (int)(dir->i_ino),
-+ dentry->d_name.name));
-
- dev = yaffs_InodeToObject(dir)->myDev;
-
-@@ -1151,82 +1349,74 @@ static int yaffs_unlink(struct inode *di
- * Create a link...
- */
- static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
-- struct dentry *dentry)
-+ struct dentry *dentry)
- {
- struct inode *inode = old_dentry->d_inode;
- yaffs_Object *obj = NULL;
- yaffs_Object *link = NULL;
- yaffs_Device *dev;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_link\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_link\n"));
-
- obj = yaffs_InodeToObject(inode);
- dev = obj->myDev;
-
- yaffs_GrossLock(dev);
-
-- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
-- {
-- link =
-- yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
-- obj);
-- }
-+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
-+ link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
-+ obj);
-
- if (link) {
- old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj);
- d_instantiate(dentry, old_dentry->d_inode);
- atomic_inc(&old_dentry->d_inode->i_count);
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_link link count %d i_count %d\n",
-- old_dentry->d_inode->i_nlink,
-- atomic_read(&old_dentry->d_inode->i_count)));
--
-+ ("yaffs_link link count %d i_count %d\n",
-+ old_dentry->d_inode->i_nlink,
-+ atomic_read(&old_dentry->d_inode->i_count)));
- }
-
- yaffs_GrossUnlock(dev);
-
-- if (link) {
--
-+ if (link)
- return 0;
-- }
-
- return -EPERM;
- }
-
- static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
-- const char *symname)
-+ const char *symname)
- {
- yaffs_Object *obj;
- yaffs_Device *dev;
-- uid_t uid = current->fsuid;
-- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-+ uid_t uid = YCRED(current)->fsuid;
-+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_symlink\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_symlink\n"));
-
- dev = yaffs_InodeToObject(dir)->myDev;
- yaffs_GrossLock(dev);
- obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name,
-- S_IFLNK | S_IRWXUGO, uid, gid, symname);
-+ S_IFLNK | S_IRWXUGO, uid, gid, symname);
- yaffs_GrossUnlock(dev);
-
- if (obj) {
--
- struct inode *inode;
-
- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
- d_instantiate(dentry, inode);
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink created OK\n"));
-+ T(YAFFS_TRACE_OS, ("symlink created OK\n"));
- return 0;
- } else {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink not created\n"));
--
-+ T(YAFFS_TRACE_OS, ("symlink not created\n"));
- }
-
- return -ENOMEM;
- }
-
- static int yaffs_sync_object(struct file *file, struct dentry *dentry,
-- int datasync)
-+ int datasync)
- {
-
- yaffs_Object *obj;
-@@ -1236,7 +1426,7 @@ static int yaffs_sync_object(struct file
-
- dev = obj->myDev;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_object\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_sync_object\n"));
- yaffs_GrossLock(dev);
- yaffs_FlushFile(obj, 1);
- yaffs_GrossUnlock(dev);
-@@ -1255,41 +1445,36 @@ static int yaffs_rename(struct inode *ol
- int retVal = YAFFS_FAIL;
- yaffs_Object *target;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_rename\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_rename\n"));
- dev = yaffs_InodeToObject(old_dir)->myDev;
-
- yaffs_GrossLock(dev);
-
- /* Check if the target is an existing directory that is not empty. */
-- target =
-- yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
-- new_dentry->d_name.name);
-+ target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
-+ new_dentry->d_name.name);
-
-
-
-- if (target &&
-- target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-- !list_empty(&target->variant.directoryVariant.children)) {
-+ if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-+ !ylist_empty(&target->variant.directoryVariant.children)) {
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n"));
-+ T(YAFFS_TRACE_OS, ("target is non-empty dir\n"));
-
- retVal = YAFFS_FAIL;
- } else {
--
- /* Now does unlinking internally using shadowing mechanism */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n"));
--
-- retVal =
-- yaffs_RenameObject(yaffs_InodeToObject(old_dir),
-- old_dentry->d_name.name,
-- yaffs_InodeToObject(new_dir),
-- new_dentry->d_name.name);
-+ T(YAFFS_TRACE_OS, ("calling yaffs_RenameObject\n"));
-
-+ retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir),
-+ old_dentry->d_name.name,
-+ yaffs_InodeToObject(new_dir),
-+ new_dentry->d_name.name);
- }
- yaffs_GrossUnlock(dev);
-
- if (retVal == YAFFS_OK) {
-- if(target) {
-+ if (target) {
- new_dentry->d_inode->i_nlink--;
- mark_inode_dirty(new_dentry->d_inode);
- }
-@@ -1298,7 +1483,6 @@ static int yaffs_rename(struct inode *ol
- } else {
- return -ENOTEMPTY;
- }
--
- }
-
- static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
-@@ -1308,15 +1492,15 @@ static int yaffs_setattr(struct dentry *
- yaffs_Device *dev;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_setattr of object %d\n",
-- yaffs_InodeToObject(inode)->objectId));
--
-- if ((error = inode_change_ok(inode, attr)) == 0) {
-+ ("yaffs_setattr of object %d\n",
-+ yaffs_InodeToObject(inode)->objectId));
-
-+ error = inode_change_ok(inode, attr);
-+ if (error == 0) {
- dev = yaffs_InodeToObject(inode)->myDev;
- yaffs_GrossLock(dev);
- if (yaffs_SetAttributes(yaffs_InodeToObject(inode), attr) ==
-- YAFFS_OK) {
-+ YAFFS_OK) {
- error = 0;
- } else {
- error = -EPERM;
-@@ -1328,12 +1512,12 @@ static int yaffs_setattr(struct dentry *
- return error;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
- {
- yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev;
- struct super_block *sb = dentry->d_sb;
--#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf)
- {
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-@@ -1343,32 +1527,53 @@ static int yaffs_statfs(struct super_blo
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
- #endif
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_statfs\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_statfs\n"));
-
- yaffs_GrossLock(dev);
-
- buf->f_type = YAFFS_MAGIC;
- buf->f_bsize = sb->s_blocksize;
- buf->f_namelen = 255;
-- if (sb->s_blocksize > dev->nDataBytesPerChunk) {
-+
-+ if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) {
-+ /* Do this if chunk size is not a power of 2 */
-+
-+ uint64_t bytesInDev;
-+ uint64_t bytesFree;
-+
-+ bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) *
-+ ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk));
-+
-+ do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */
-+ buf->f_blocks = bytesInDev;
-+
-+ bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) *
-+ ((uint64_t)(dev->nDataBytesPerChunk));
-+
-+ do_div(bytesFree, sb->s_blocksize);
-+
-+ buf->f_bfree = bytesFree;
-+
-+ } else if (sb->s_blocksize > dev->nDataBytesPerChunk) {
-
- buf->f_blocks =
-- (dev->endBlock - dev->startBlock +
-- 1) * dev->nChunksPerBlock / (sb->s_blocksize /
-- dev->nDataBytesPerChunk);
-+ (dev->endBlock - dev->startBlock + 1) *
-+ dev->nChunksPerBlock /
-+ (sb->s_blocksize / dev->nDataBytesPerChunk);
- buf->f_bfree =
-- yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize /
-- dev->nDataBytesPerChunk);
-+ yaffs_GetNumberOfFreeChunks(dev) /
-+ (sb->s_blocksize / dev->nDataBytesPerChunk);
- } else {
--
- buf->f_blocks =
-- (dev->endBlock - dev->startBlock +
-- 1) * dev->nChunksPerBlock * (dev->nDataBytesPerChunk /
-- sb->s_blocksize);
-+ (dev->endBlock - dev->startBlock + 1) *
-+ dev->nChunksPerBlock *
-+ (dev->nDataBytesPerChunk / sb->s_blocksize);
-+
- buf->f_bfree =
-- yaffs_GetNumberOfFreeChunks(dev) * (dev->nDataBytesPerChunk /
-- sb->s_blocksize);
-+ yaffs_GetNumberOfFreeChunks(dev) *
-+ (dev->nDataBytesPerChunk / sb->s_blocksize);
- }
-+
- buf->f_files = 0;
- buf->f_ffree = 0;
- buf->f_bavail = buf->f_bfree;
-@@ -1378,18 +1583,19 @@ static int yaffs_statfs(struct super_blo
- }
-
-
--/**
- static int yaffs_do_sync_fs(struct super_block *sb)
- {
-
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_do_sync_fs\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_do_sync_fs\n"));
-
-- if(sb->s_dirt) {
-+ if (sb->s_dirt) {
- yaffs_GrossLock(dev);
-
-- if(dev)
-+ if (dev) {
-+ yaffs_FlushEntireDeviceCache(dev);
- yaffs_CheckpointSave(dev);
-+ }
-
- yaffs_GrossUnlock(dev);
-
-@@ -1397,35 +1603,73 @@ static int yaffs_do_sync_fs(struct super
- }
- return 0;
- }
--**/
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static void yaffs_write_super(struct super_block *sb)
- #else
- static int yaffs_write_super(struct super_block *sb)
- #endif
- {
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_write_super\n"));
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
-- return 0; /* yaffs_do_sync_fs(sb);*/
-+ T(YAFFS_TRACE_OS, ("yaffs_write_super\n"));
-+ if (yaffs_auto_checkpoint >= 2)
-+ yaffs_do_sync_fs(sb);
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18))
-+ return 0;
- #endif
- }
-
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_sync_fs(struct super_block *sb, int wait)
- #else
- static int yaffs_sync_fs(struct super_block *sb)
- #endif
- {
-+ T(YAFFS_TRACE_OS, ("yaffs_sync_fs\n"));
-+
-+ if (yaffs_auto_checkpoint >= 1)
-+ yaffs_do_sync_fs(sb);
-+
-+ return 0;
-+}
-+
-+#ifdef YAFFS_USE_OWN_IGET
-+
-+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
-+{
-+ struct inode *inode;
-+ yaffs_Object *obj;
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
-+
-+ T(YAFFS_TRACE_OS,
-+ ("yaffs_iget for %lu\n", ino));
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n"));
-+ inode = iget_locked(sb, ino);
-+ if (!inode)
-+ return ERR_PTR(-ENOMEM);
-+ if (!(inode->i_state & I_NEW))
-+ return inode;
-+
-+ /* NB This is called as a side effect of other functions, but
-+ * we had to release the lock to prevent deadlocks, so
-+ * need to lock again.
-+ */
-
-- return 0; /* yaffs_do_sync_fs(sb);*/
-+ yaffs_GrossLock(dev);
-
-+ obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
-+
-+ yaffs_FillInodeFromObject(inode, obj);
-+
-+ yaffs_GrossUnlock(dev);
-+
-+ unlock_new_inode(inode);
-+ return inode;
- }
-
-+#else
-
- static void yaffs_read_inode(struct inode *inode)
- {
-@@ -1438,7 +1682,7 @@ static void yaffs_read_inode(struct inod
- yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino));
-+ ("yaffs_read_inode for %d\n", (int)inode->i_ino));
-
- yaffs_GrossLock(dev);
-
-@@ -1449,18 +1693,20 @@ static void yaffs_read_inode(struct inod
- yaffs_GrossUnlock(dev);
- }
-
--static LIST_HEAD(yaffs_dev_list);
-+#endif
-+
-+static YLIST_HEAD(yaffs_dev_list);
-
--#if 0 // not used
-+#if 0 /* not used */
- static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
- {
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-
-- if( *flags & MS_RDONLY ) {
-+ if (*flags & MS_RDONLY) {
- struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name ));
-+ ("yaffs_remount_fs: %s: RO\n", dev->name));
-
- yaffs_GrossLock(dev);
-
-@@ -1472,10 +1718,9 @@ static int yaffs_remount_fs(struct super
- mtd->sync(mtd);
-
- yaffs_GrossUnlock(dev);
-- }
-- else {
-+ } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name ));
-+ ("yaffs_remount_fs: %s: RW\n", dev->name));
- }
-
- return 0;
-@@ -1486,7 +1731,7 @@ static void yaffs_put_super(struct super
- {
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_put_super\n"));
-
- yaffs_GrossLock(dev);
-
-@@ -1494,18 +1739,17 @@ static void yaffs_put_super(struct super
-
- yaffs_CheckpointSave(dev);
-
-- if (dev->putSuperFunc) {
-+ if (dev->putSuperFunc)
- dev->putSuperFunc(sb);
-- }
-
- yaffs_Deinitialise(dev);
-
- yaffs_GrossUnlock(dev);
-
- /* we assume this is protected by lock_kernel() in mount/umount */
-- list_del(&dev->devList);
-+ ylist_del(&dev->devList);
-
-- if(dev->spareBuffer){
-+ if (dev->spareBuffer) {
- YFREE(dev->spareBuffer);
- dev->spareBuffer = NULL;
- }
-@@ -1516,12 +1760,10 @@ static void yaffs_put_super(struct super
-
- static void yaffs_MTDPutSuper(struct super_block *sb)
- {
--
- struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
-
-- if (mtd->sync) {
-+ if (mtd->sync)
- mtd->sync(mtd);
-- }
-
- put_mtd_device(mtd);
- }
-@@ -1531,9 +1773,9 @@ static void yaffs_MarkSuperBlockDirty(vo
- {
- struct super_block *sb = (struct super_block *)vsb;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb));
--// if(sb)
--// sb->s_dirt = 1;
-+ T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb));
-+ if (sb)
-+ sb->s_dirt = 1;
- }
-
- typedef struct {
-@@ -1546,48 +1788,48 @@ typedef struct {
- #define MAX_OPT_LEN 20
- static int yaffs_parse_options(yaffs_options *options, const char *options_str)
- {
-- char cur_opt[MAX_OPT_LEN+1];
-+ char cur_opt[MAX_OPT_LEN + 1];
- int p;
- int error = 0;
-
- /* Parse through the options which is a comma seperated list */
-
-- while(options_str && *options_str && !error){
-- memset(cur_opt,0,MAX_OPT_LEN+1);
-+ while (options_str && *options_str && !error) {
-+ memset(cur_opt, 0, MAX_OPT_LEN + 1);
- p = 0;
-
-- while(*options_str && *options_str != ','){
-- if(p < MAX_OPT_LEN){
-+ while (*options_str && *options_str != ',') {
-+ if (p < MAX_OPT_LEN) {
- cur_opt[p] = *options_str;
- p++;
- }
- options_str++;
- }
-
-- if(!strcmp(cur_opt,"inband-tags"))
-+ if (!strcmp(cur_opt, "inband-tags"))
- options->inband_tags = 1;
-- else if(!strcmp(cur_opt,"no-cache"))
-+ else if (!strcmp(cur_opt, "no-cache"))
- options->no_cache = 1;
-- else if(!strcmp(cur_opt,"no-checkpoint-read"))
-+ else if (!strcmp(cur_opt, "no-checkpoint-read"))
- options->skip_checkpoint_read = 1;
-- else if(!strcmp(cur_opt,"no-checkpoint-write"))
-+ else if (!strcmp(cur_opt, "no-checkpoint-write"))
- options->skip_checkpoint_write = 1;
-- else if(!strcmp(cur_opt,"no-checkpoint")){
-+ else if (!strcmp(cur_opt, "no-checkpoint")) {
- options->skip_checkpoint_read = 1;
- options->skip_checkpoint_write = 1;
- } else {
-- printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt);
-+ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",
-+ cur_opt);
- error = 1;
- }
--
- }
-
- return error;
- }
-
- static struct super_block *yaffs_internal_read_super(int yaffsVersion,
-- struct super_block *sb,
-- void *data, int silent)
-+ struct super_block *sb,
-+ void *data, int silent)
- {
- int nBlocks;
- struct inode *inode = NULL;
-@@ -1602,6 +1844,7 @@ static struct super_block *yaffs_interna
-
- sb->s_magic = YAFFS_MAGIC;
- sb->s_op = &yaffs_super_ops;
-+ sb->s_flags |= MS_NOATIME;
-
- if (!sb)
- printk(KERN_INFO "yaffs: sb is NULL\n");
-@@ -1614,14 +1857,14 @@ static struct super_block *yaffs_interna
- sb->s_dev,
- yaffs_devname(sb, devname_buf));
-
-- if(!data_str)
-+ if (!data_str)
- data_str = "";
-
-- printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str);
-+ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str);
-
-- memset(&options,0,sizeof(options));
-+ memset(&options, 0, sizeof(options));
-
-- if(yaffs_parse_options(&options,data_str)){
-+ if (yaffs_parse_options(&options, data_str)) {
- /* Option parsing failed */
- return NULL;
- }
-@@ -1645,9 +1888,9 @@ static struct super_block *yaffs_interna
- yaffs_devname(sb, devname_buf)));
-
- /* Check it's an mtd device..... */
-- if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) {
-+ if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR)
- return NULL; /* This isn't an mtd device */
-- }
-+
- /* Get the device */
- mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
- if (!mtd) {
-@@ -1673,29 +1916,23 @@ static struct super_block *yaffs_interna
- T(YAFFS_TRACE_OS, (" %s %d\n", WRITE_SIZE_STR, WRITE_SIZE(mtd)));
- T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize));
- T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize));
-- T(YAFFS_TRACE_OS, (" size %d\n", mtd->size));
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
-+ T(YAFFS_TRACE_OS, (" size %u\n", mtd->size));
-+#else
-+ T(YAFFS_TRACE_OS, (" size %lld\n", mtd->size));
-+#endif
-
- #ifdef CONFIG_YAFFS_AUTO_YAFFS2
-
-- if (yaffsVersion == 1 &&
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- mtd->writesize >= 2048) {
--#else
-- mtd->oobblock >= 2048) {
--#endif
-- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n"));
-- yaffsVersion = 2;
-+ if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) {
-+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs2\n"));
-+ yaffsVersion = 2;
- }
-
- /* Added NCB 26/5/2006 for completeness */
-- if (yaffsVersion == 2 &&
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- mtd->writesize == 512) {
--#else
-- mtd->oobblock == 512) {
--#endif
-- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n"));
-- yaffsVersion = 1;
-+ if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) {
-+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs1\n"));
-+ yaffsVersion = 1;
- }
-
- #endif
-@@ -1707,7 +1944,7 @@ static struct super_block *yaffs_interna
- !mtd->block_markbad ||
- !mtd->read ||
- !mtd->write ||
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- !mtd->read_oob || !mtd->write_oob) {
- #else
- !mtd->write_ecc ||
-@@ -1719,12 +1956,9 @@ static struct super_block *yaffs_interna
- return NULL;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- if (mtd->writesize < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
--#else
-- if (mtd->oobblock < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
--#endif
-- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) {
-+ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
-+ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
-+ !options.inband_tags) {
- T(YAFFS_TRACE_ALWAYS,
- ("yaffs: MTD device does not have the "
- "right page sizes\n"));
-@@ -1735,7 +1969,7 @@ static struct super_block *yaffs_interna
- if (!mtd->erase ||
- !mtd->read ||
- !mtd->write ||
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- !mtd->read_oob || !mtd->write_oob) {
- #else
- !mtd->write_ecc ||
-@@ -1761,7 +1995,7 @@ static struct super_block *yaffs_interna
- * Set the yaffs_Device up for mtd
- */
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
- #else
- sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
-@@ -1780,13 +2014,15 @@ static struct super_block *yaffs_interna
-
- /* Set up the memory size parameters.... */
-
-- nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
-+ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
-+
- dev->startBlock = 0;
- dev->endBlock = nBlocks - 1;
- dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
-- dev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
-+ dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
- dev->nReservedBlocks = 5;
- dev->nShortOpCaches = (options.no_cache) ? 0 : 10;
-+ dev->inbandTags = options.inband_tags;
-
- /* ... and the functions. */
- if (yaffsVersion == 2) {
-@@ -1798,20 +2034,19 @@ static struct super_block *yaffs_interna
- dev->queryNANDBlock = nandmtd2_QueryNANDBlock;
- dev->spareBuffer = YMALLOC(mtd->oobsize);
- dev->isYaffs2 = 1;
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- dev->nDataBytesPerChunk = mtd->writesize;
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ dev->totalBytesPerChunk = mtd->writesize;
- dev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
- #else
-- dev->nDataBytesPerChunk = mtd->oobblock;
-+ dev->totalBytesPerChunk = mtd->oobblock;
- dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
- #endif
-- nBlocks = mtd->size / mtd->erasesize;
-+ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
-
-- dev->nCheckpointReservedBlocks = CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS;
- dev->startBlock = 0;
- dev->endBlock = nBlocks - 1;
- } else {
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- /* use the MTD interface in yaffs_mtdif1.c */
- dev->writeChunkWithTagsToNAND =
- nandmtd1_WriteChunkWithTagsToNAND;
-@@ -1847,7 +2082,7 @@ static struct super_block *yaffs_interna
- dev->skipCheckpointWrite = options.skip_checkpoint_write;
-
- /* we assume this is protected by lock_kernel() in mount/umount */
-- list_add_tail(&dev->devList, &yaffs_dev_list);
-+ ylist_add_tail(&dev->devList, &yaffs_dev_list);
-
- init_MUTEX(&dev->grossLock);
-
-@@ -1884,20 +2119,23 @@ static struct super_block *yaffs_interna
- return NULL;
- }
- sb->s_root = root;
-+ sb->s_dirt = !dev->isCheckpointed;
-+ T(YAFFS_TRACE_ALWAYS,
-+ ("yaffs_read_super: isCheckpointed %d\n", dev->isCheckpointed));
-
- T(YAFFS_TRACE_OS, ("yaffs_read_super: done\n"));
- return sb;
- }
-
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
- int silent)
- {
- return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_read_super(struct file_system_type *fs,
- int flags, const char *dev_name,
- void *data, struct vfsmount *mnt)
-@@ -1938,14 +2176,14 @@ static DECLARE_FSTYPE(yaffs_fs_type, "ya
-
- #ifdef CONFIG_YAFFS_YAFFS2
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
- int silent)
- {
- return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs2_read_super(struct file_system_type *fs,
- int flags, const char *dev_name, void *data,
- struct vfsmount *mnt)
-@@ -1990,12 +2228,12 @@ static char *yaffs_dump_dev(char *buf, y
- {
- buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock);
- buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock);
-+ buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk);
- buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk);
- buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits);
- buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize);
- buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks);
- buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks);
-- buf += sprintf(buf, "nCheckptResBlocks.. %d\n", dev->nCheckpointReservedBlocks);
- buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint);
- buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated);
- buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes);
-@@ -2006,10 +2244,8 @@ static char *yaffs_dump_dev(char *buf, y
- buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads);
- buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures);
- buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies);
-- buf +=
-- sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
-- buf +=
-- sprintf(buf, "passiveGCs......... %d\n",
-+ buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
-+ buf += sprintf(buf, "passiveGCs......... %d\n",
- dev->passiveGarbageCollections);
- buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites);
- buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches);
-@@ -2025,6 +2261,7 @@ static char *yaffs_dump_dev(char *buf, y
- sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions);
- buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC);
- buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2);
-+ buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags);
-
- return buf;
- }
-@@ -2033,7 +2270,7 @@ static int yaffs_proc_read(char *page,
- char **start,
- off_t offset, int count, int *eof, void *data)
- {
-- struct list_head *item;
-+ struct ylist_head *item;
- char *buf = page;
- int step = offset;
- int n = 0;
-@@ -2057,8 +2294,8 @@ static int yaffs_proc_read(char *page,
- lock_kernel();
-
- /* Locate and print the Nth entry. Order N-squared but N is small. */
-- list_for_each(item, &yaffs_dev_list) {
-- yaffs_Device *dev = list_entry(item, yaffs_Device, devList);
-+ ylist_for_each(item, &yaffs_dev_list) {
-+ yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList);
- if (n < step) {
- n++;
- continue;
-@@ -2119,7 +2356,7 @@ static int yaffs_proc_write(struct file
- char *end;
- char *mask_name;
- const char *x;
-- char substring[MAX_MASK_NAME_LENGTH+1];
-+ char substring[MAX_MASK_NAME_LENGTH + 1];
- int i;
- int done = 0;
- int add, len = 0;
-@@ -2129,9 +2366,8 @@ static int yaffs_proc_write(struct file
-
- while (!done && (pos < count)) {
- done = 1;
-- while ((pos < count) && isspace(buf[pos])) {
-+ while ((pos < count) && isspace(buf[pos]))
- pos++;
-- }
-
- switch (buf[pos]) {
- case '+':
-@@ -2148,20 +2384,21 @@ static int yaffs_proc_write(struct file
- mask_name = NULL;
-
- mask_bitfield = simple_strtoul(buf + pos, &end, 0);
-+
- if (end > buf + pos) {
- mask_name = "numeral";
- len = end - (buf + pos);
- pos += len;
- done = 0;
- } else {
-- for(x = buf + pos, i = 0;
-- (*x == '_' || (*x >='a' && *x <= 'z')) &&
-- i <MAX_MASK_NAME_LENGTH; x++, i++, pos++)
-- substring[i] = *x;
-+ for (x = buf + pos, i = 0;
-+ (*x == '_' || (*x >= 'a' && *x <= 'z')) &&
-+ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++)
-+ substring[i] = *x;
- substring[i] = '\0';
-
- for (i = 0; mask_flags[i].mask_name != NULL; i++) {
-- if(strcmp(substring,mask_flags[i].mask_name) == 0){
-+ if (strcmp(substring, mask_flags[i].mask_name) == 0) {
- mask_name = mask_flags[i].mask_name;
- mask_bitfield = mask_flags[i].mask_bitfield;
- done = 0;
-@@ -2172,7 +2409,7 @@ static int yaffs_proc_write(struct file
-
- if (mask_name != NULL) {
- done = 0;
-- switch(add) {
-+ switch (add) {
- case '-':
- rg &= ~mask_bitfield;
- break;
-@@ -2191,13 +2428,13 @@ static int yaffs_proc_write(struct file
-
- yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS;
-
-- printk("new trace = 0x%08X\n",yaffs_traceMask);
-+ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask);
-
- if (rg & YAFFS_TRACE_ALWAYS) {
- for (i = 0; mask_flags[i].mask_name != NULL; i++) {
- char flag;
- flag = ((rg & mask_flags[i].mask_bitfield) == mask_flags[i].mask_bitfield) ? '+' : '-';
-- printk("%c%s\n", flag, mask_flags[i].mask_name);
-+ printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name);
- }
- }
-
-@@ -2211,12 +2448,8 @@ struct file_system_to_install {
- };
-
- static struct file_system_to_install fs_to_install[] = {
--//#ifdef CONFIG_YAFFS_YAFFS1
- {&yaffs_fs_type, 0},
--//#endif
--//#ifdef CONFIG_YAFFS_YAFFS2
- {&yaffs2_fs_type, 0},
--//#endif
- {NULL, 0}
- };
-
-@@ -2231,15 +2464,14 @@ static int __init init_yaffs_fs(void)
- /* Install the proc_fs entry */
- my_proc_entry = create_proc_entry("yaffs",
- S_IRUGO | S_IFREG,
-- &proc_root);
-+ YPROC_ROOT);
-
- if (my_proc_entry) {
- my_proc_entry->write_proc = yaffs_proc_write;
- my_proc_entry->read_proc = yaffs_proc_read;
- my_proc_entry->data = NULL;
-- } else {
-+ } else
- return -ENOMEM;
-- }
-
- /* Now add the file system entries */
-
-@@ -2247,9 +2479,8 @@ static int __init init_yaffs_fs(void)
-
- while (fsinst->fst && !error) {
- error = register_filesystem(fsinst->fst);
-- if (!error) {
-+ if (!error)
- fsinst->installed = 1;
-- }
- fsinst++;
- }
-
-@@ -2277,7 +2508,7 @@ static void __exit exit_yaffs_fs(void)
- T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__
- " removing. \n"));
-
-- remove_proc_entry("yaffs", &proc_root);
-+ remove_proc_entry("yaffs", YPROC_ROOT);
-
- fsinst = fs_to_install;
-
-@@ -2288,7 +2519,6 @@ static void __exit exit_yaffs_fs(void)
- }
- fsinst++;
- }
--
- }
-
- module_init(init_yaffs_fs)
---- /dev/null
-+++ b/fs/yaffs2/yaffs_getblockinfo.h
-@@ -0,0 +1,34 @@
-+/*
-+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
-+ *
-+ * Copyright (C) 2002-2007 Aleph One Ltd.
-+ * for Toby Churchill Ltd and Brightstar Engineering
-+ *
-+ * Created by Charles Manning <charles@aleph1.co.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU Lesser General Public License version 2.1 as
-+ * published by the Free Software Foundation.
-+ *
-+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
-+ */
-+
-+#ifndef __YAFFS_GETBLOCKINFO_H__
-+#define __YAFFS_GETBLOCKINFO_H__
-+
-+#include "yaffs_guts.h"
-+
-+/* Function to manipulate block info */
-+static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
-+{
-+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR
-+ ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
-+ blk));
-+ YBUG();
-+ }
-+ return &dev->blockInfo[blk - dev->internalStartBlock];
-+}
-+
-+#endif
---- a/fs/yaffs2/yaffs_guts.c
-+++ b/fs/yaffs2/yaffs_guts.c
-@@ -12,16 +12,17 @@
- */
-
- const char *yaffs_guts_c_version =
-- "$Id: yaffs_guts.c,v 1.49 2007-05-15 20:07:40 charles Exp $";
-+ "$Id: yaffs_guts.c,v 1.82 2009-03-09 04:24:17 charles Exp $";
-
- #include "yportenv.h"
-
- #include "yaffsinterface.h"
- #include "yaffs_guts.h"
- #include "yaffs_tagsvalidity.h"
-+#include "yaffs_getblockinfo.h"
-
- #include "yaffs_tagscompat.h"
--#ifndef CONFIG_YAFFS_USE_OWN_SORT
-+#ifndef CONFIG_YAFFS_USE_OWN_SORT
- #include "yaffs_qsort.h"
- #endif
- #include "yaffs_nand.h"
-@@ -32,116 +33,116 @@ const char *yaffs_guts_c_version =
- #include "yaffs_packedtags2.h"
-
-
--#ifdef CONFIG_YAFFS_WINCE
--void yfsd_LockYAFFS(BOOL fsLockOnly);
--void yfsd_UnlockYAFFS(BOOL fsLockOnly);
--#endif
--
- #define YAFFS_PASSIVE_GC_CHUNKS 2
-
- #include "yaffs_ecc.h"
-
-
- /* Robustification (if it ever comes about...) */
--static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND);
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk);
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags);
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_ExtendedTags * tags);
-+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
-+ int erasedOk);
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_ExtendedTags *tags);
-
- /* Other local prototypes */
--static int yaffs_UnlinkObject( yaffs_Object *obj);
-+static int yaffs_UnlinkObject(yaffs_Object *obj);
- static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj);
-
- static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
-
--static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device * dev,
-- const __u8 * buffer,
-- yaffs_ExtendedTags * tags,
-- int useReserve);
--static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
-- int chunkInNAND, int inScan);
--
--static yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
-- yaffs_ObjectType type);
--static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
-- yaffs_Object * obj);
--static int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name,
-- int force, int isShrink, int shadows);
--static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj);
-+static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev,
-+ const __u8 *buffer,
-+ yaffs_ExtendedTags *tags,
-+ int useReserve);
-+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
-+ int chunkInNAND, int inScan);
-+
-+static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
-+ yaffs_ObjectType type);
-+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
-+ yaffs_Object *obj);
-+static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
-+ int force, int isShrink, int shadows);
-+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj);
- static int yaffs_CheckStructures(void);
--static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
-- int chunkOffset, int *limit);
--static int yaffs_DoGenericObjectDeletion(yaffs_Object * in);
--
--static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blockNo);
--
--static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo);
--static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
-- int lineNo);
-+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
-+ int chunkOffset, int *limit);
-+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in);
-+
-+static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo);
-
--static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND);
-
--static int yaffs_UnlinkWorker(yaffs_Object * obj);
--static void yaffs_DestroyObject(yaffs_Object * obj);
-+static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND);
-
--static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
-- int chunkInObject);
-+static int yaffs_UnlinkWorker(yaffs_Object *obj);
-
--loff_t yaffs_GetFileSize(yaffs_Object * obj);
-+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
-+ int chunkInObject);
-
--static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr);
-+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
-+ yaffs_BlockInfo **blockUsedPtr);
-
--static void yaffs_VerifyFreeChunks(yaffs_Device * dev);
-+static void yaffs_VerifyFreeChunks(yaffs_Device *dev);
-
- static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in);
-
-+static void yaffs_VerifyDirectory(yaffs_Object *directory);
- #ifdef YAFFS_PARANOID
--static int yaffs_CheckFileSanity(yaffs_Object * in);
-+static int yaffs_CheckFileSanity(yaffs_Object *in);
- #else
- #define yaffs_CheckFileSanity(in)
- #endif
-
--static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in);
--static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId);
-+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in);
-+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId);
-
- static void yaffs_InvalidateCheckpoint(yaffs_Device *dev);
-
--static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
-- yaffs_ExtendedTags * tags);
-+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags);
-
--static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos);
--static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct,
-- __u32 chunkId);
-+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
-+ unsigned pos);
-+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId);
-
-
- /* Function to calculate chunk and offset */
-
--static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u32 *offset)
-+static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut,
-+ __u32 *offsetOut)
- {
-- if(dev->chunkShift){
-- /* Easy-peasy power of 2 case */
-- *chunk = (__u32)(addr >> dev->chunkShift);
-- *offset = (__u32)(addr & dev->chunkMask);
-- }
-- else if(dev->crumbsPerChunk)
-- {
-- /* Case where we're using "crumbs" */
-- *offset = (__u32)(addr & dev->crumbMask);
-- addr >>= dev->crumbShift;
-- *chunk = ((__u32)addr)/dev->crumbsPerChunk;
-- *offset += ((addr - (*chunk * dev->crumbsPerChunk)) << dev->crumbShift);
-+ int chunk;
-+ __u32 offset;
-+
-+ chunk = (__u32)(addr >> dev->chunkShift);
-+
-+ if (dev->chunkDiv == 1) {
-+ /* easy power of 2 case */
-+ offset = (__u32)(addr & dev->chunkMask);
-+ } else {
-+ /* Non power-of-2 case */
-+
-+ loff_t chunkBase;
-+
-+ chunk /= dev->chunkDiv;
-+
-+ chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk;
-+ offset = (__u32)(addr - chunkBase);
- }
-- else
-- YBUG();
-+
-+ *chunkOut = chunk;
-+ *offsetOut = offset;
- }
-
--/* Function to return the number of shifts for a power of 2 greater than or equal
-- * to the given number
-+/* Function to return the number of shifts for a power of 2 greater than or
-+ * equal to the given number
- * Note we don't try to cater for all possible numbers and this does not have to
- * be hellishly efficient.
- */
-@@ -153,13 +154,14 @@ static __u32 ShiftsGE(__u32 x)
-
- nShifts = extraBits = 0;
-
-- while(x>1){
-- if(x & 1) extraBits++;
-- x>>=1;
-+ while (x > 1) {
-+ if (x & 1)
-+ extraBits++;
-+ x >>= 1;
- nShifts++;
- }
-
-- if(extraBits)
-+ if (extraBits)
- nShifts++;
-
- return nShifts;
-@@ -168,16 +170,17 @@ static __u32 ShiftsGE(__u32 x)
- /* Function to return the number of shifts to get a 1 in bit 0
- */
-
--static __u32 ShiftDiv(__u32 x)
-+static __u32 Shifts(__u32 x)
- {
- int nShifts;
-
- nShifts = 0;
-
-- if(!x) return 0;
-+ if (!x)
-+ return 0;
-
-- while( !(x&1)){
-- x>>=1;
-+ while (!(x&1)) {
-+ x >>= 1;
- nShifts++;
- }
-
-@@ -195,21 +198,25 @@ static int yaffs_InitialiseTempBuffers(y
- int i;
- __u8 *buf = (__u8 *)1;
-
-- memset(dev->tempBuffer,0,sizeof(dev->tempBuffer));
-+ memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer));
-
- for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
- dev->tempBuffer[i].line = 0; /* not in use */
- dev->tempBuffer[i].buffer = buf =
-- YMALLOC_DMA(dev->nDataBytesPerChunk);
-+ YMALLOC_DMA(dev->totalBytesPerChunk);
- }
-
- return buf ? YAFFS_OK : YAFFS_FAIL;
--
- }
-
--static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo)
-+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo)
- {
- int i, j;
-+
-+ dev->tempInUse++;
-+ if (dev->tempInUse > dev->maxTemp)
-+ dev->maxTemp = dev->tempInUse;
-+
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->tempBuffer[i].line == 0) {
- dev->tempBuffer[i].line = lineNo;
-@@ -227,9 +234,9 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D
- T(YAFFS_TRACE_BUFFERS,
- (TSTR("Out of temp buffers at line %d, other held by lines:"),
- lineNo));
-- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
-+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line));
-- }
-+
- T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR)));
-
- /*
-@@ -242,10 +249,13 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D
-
- }
-
--static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
-+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer,
- int lineNo)
- {
- int i;
-+
-+ dev->tempInUse--;
-+
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->tempBuffer[i].buffer == buffer) {
- dev->tempBuffer[i].line = 0;
-@@ -267,27 +277,26 @@ static void yaffs_ReleaseTempBuffer(yaff
- /*
- * Determine if we have a managed buffer.
- */
--int yaffs_IsManagedTempBuffer(yaffs_Device * dev, const __u8 * buffer)
-+int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer)
- {
- int i;
-+
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->tempBuffer[i].buffer == buffer)
- return 1;
-+ }
-
-+ for (i = 0; i < dev->nShortOpCaches; i++) {
-+ if (dev->srCache[i].data == buffer)
-+ return 1;
- }
-
-- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if( dev->srCache[i].data == buffer )
-- return 1;
--
-- }
--
-- if (buffer == dev->checkpointBuffer)
-- return 1;
--
-- T(YAFFS_TRACE_ALWAYS,
-- (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
-- return 0;
-+ if (buffer == dev->checkpointBuffer)
-+ return 1;
-+
-+ T(YAFFS_TRACE_ALWAYS,
-+ (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
-+ return 0;
- }
-
-
-@@ -296,62 +305,63 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi
- * Chunk bitmap manipulations
- */
-
--static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device * dev, int blk)
-+static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk)
- {
- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
- T(YAFFS_TRACE_ERROR,
-- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
-- blk));
-+ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
-+ blk));
- YBUG();
- }
- return dev->chunkBits +
-- (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
-+ (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
- }
-
- static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk)
- {
-- if(blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
-- chunk < 0 || chunk >= dev->nChunksPerBlock) {
-- T(YAFFS_TRACE_ERROR,
-- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),blk,chunk));
-- YBUG();
-+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
-+ chunk < 0 || chunk >= dev->nChunksPerBlock) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),
-+ blk, chunk));
-+ YBUG();
- }
- }
-
--static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device * dev, int blk)
-+static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device *dev, int blk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
- memset(blkBits, 0, dev->chunkBitmapStride);
- }
-
--static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk)
-+static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
-- yaffs_VerifyChunkBitId(dev,blk,chunk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- blkBits[chunk / 8] &= ~(1 << (chunk & 7));
- }
-
--static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk)
-+static Y_INLINE void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
-- yaffs_VerifyChunkBitId(dev,blk,chunk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- blkBits[chunk / 8] |= (1 << (chunk & 7));
- }
-
--static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device * dev, int blk, int chunk)
-+static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-- yaffs_VerifyChunkBitId(dev,blk,chunk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
- }
-
--static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device * dev, int blk)
-+static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
- int i;
-@@ -363,17 +373,17 @@ static Y_INLINE int yaffs_StillSomeChunk
- return 0;
- }
-
--static int yaffs_CountChunkBits(yaffs_Device * dev, int blk)
-+static int yaffs_CountChunkBits(yaffs_Device *dev, int blk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
- int i;
- int n = 0;
- for (i = 0; i < dev->chunkBitmapStride; i++) {
- __u8 x = *blkBits;
-- while(x){
-- if(x & 1)
-+ while (x) {
-+ if (x & 1)
- n++;
-- x >>=1;
-+ x >>= 1;
- }
-
- blkBits++;
-@@ -400,7 +410,7 @@ static int yaffs_SkipNANDVerification(ya
- return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND));
- }
-
--static const char * blockStateName[] = {
-+static const char *blockStateName[] = {
- "Unknown",
- "Needs scanning",
- "Scanning",
-@@ -413,64 +423,65 @@ static const char * blockStateName[] = {
- "Dead"
- };
-
--static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
-+static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
- {
- int actuallyUsed;
- int inUse;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- /* Report illegal runtime states */
-- if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState));
-+ if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState));
-
-- switch(bi->blockState){
-- case YAFFS_BLOCK_STATE_UNKNOWN:
-- case YAFFS_BLOCK_STATE_SCANNING:
-- case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has bad run-state %s"TENDSTR),
-- n,blockStateName[bi->blockState]));
-+ switch (bi->blockState) {
-+ case YAFFS_BLOCK_STATE_UNKNOWN:
-+ case YAFFS_BLOCK_STATE_SCANNING:
-+ case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR),
-+ n, blockStateName[bi->blockState]));
- }
-
- /* Check pages in use and soft deletions are legal */
-
- actuallyUsed = bi->pagesInUse - bi->softDeletions;
-
-- if(bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
-+ if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
- bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock ||
- actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
-- n,bi->pagesInUse,bi->softDeletions));
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
-+ n, bi->pagesInUse, bi->softDeletions));
-
-
- /* Check chunk bitmap legal */
-- inUse = yaffs_CountChunkBits(dev,n);
-- if(inUse != bi->pagesInUse)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
-- n,bi->pagesInUse,inUse));
-+ inUse = yaffs_CountChunkBits(dev, n);
-+ if (inUse != bi->pagesInUse)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
-+ n, bi->pagesInUse, inUse));
-
- /* Check that the sequence number is valid.
- * Ten million is legal, but is very unlikely
- */
-- if(dev->isYaffs2 &&
-+ if (dev->isYaffs2 &&
- (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) &&
-- (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000 ))
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has suspect sequence number of %d"TENDSTR),
-- n,bi->sequenceNumber));
--
-+ (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000))
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR),
-+ n, bi->sequenceNumber));
- }
-
--static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
-+static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi,
-+ int n)
- {
-- yaffs_VerifyBlock(dev,bi,n);
-+ yaffs_VerifyBlock(dev, bi, n);
-
- /* After collection the block should be in the erased state */
-- /* TODO: This will need to change if we do partial gc */
-+ /* This will need to change if we do partial gc */
-
-- if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){
-- T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
-- n,bi->blockState));
-+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING &&
-+ bi->blockState != YAFFS_BLOCK_STATE_EMPTY) {
-+ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
-+ n, bi->blockState));
- }
- }
-
-@@ -480,52 +491,49 @@ static void yaffs_VerifyBlocks(yaffs_Dev
- int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES];
- int nIllegalBlockStates = 0;
-
--
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
-- memset(nBlocksPerState,0,sizeof(nBlocksPerState));
--
-+ memset(nBlocksPerState, 0, sizeof(nBlocksPerState));
-
-- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++){
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
-- yaffs_VerifyBlock(dev,bi,i);
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ yaffs_VerifyBlock(dev, bi, i);
-
-- if(bi->blockState >=0 && bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
-+ if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
- nBlocksPerState[bi->blockState]++;
- else
- nIllegalBlockStates++;
--
- }
-
-- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR)));
-
-- T(YAFFS_TRACE_VERIFY,(TSTR("%d blocks have illegal states"TENDSTR),nIllegalBlockStates));
-- if(nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Too many allocating blocks"TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates));
-+ if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR)));
-
-- for(i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
-+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("%s %d blocks"TENDSTR),
-- blockStateName[i],nBlocksPerState[i]));
-+ blockStateName[i], nBlocksPerState[i]));
-
-- if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
-+ if (dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR),
- dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]));
-
-- if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
-+ if (dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Erased block count wrong dev %d count %d"TENDSTR),
- dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]));
-
-- if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
-+ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR),
- nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING]));
-
-- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
-
- }
-
-@@ -535,26 +543,26 @@ static void yaffs_VerifyBlocks(yaffs_Dev
- */
- static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck)
- {
-- if(yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-
-- if(!(tags && obj && oh)){
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
-- (__u32)tags,(__u32)obj,(__u32)oh));
-+ if (!(tags && obj && oh)) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
-+ (__u32)tags, (__u32)obj, (__u32)oh));
- return;
- }
-
-- if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
-- oh->type > YAFFS_OBJECT_TYPE_MAX)
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
-- tags->objectId, oh->type));
--
-- if(tags->objectId != obj->objectId)
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
-- tags->objectId, obj->objectId));
-+ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
-+ oh->type > YAFFS_OBJECT_TYPE_MAX)
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
-+ tags->objectId, oh->type));
-+
-+ if (tags->objectId != obj->objectId)
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
-+ tags->objectId, obj->objectId));
-
-
- /*
-@@ -563,46 +571,43 @@ static void yaffs_VerifyObjectHeader(yaf
- * Tests do not apply to the root object.
- */
-
-- if(parentCheck && tags->objectId > 1 && !obj->parent)
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
-- tags->objectId, oh->parentObjectId));
--
--
-- if(parentCheck && obj->parent &&
-- oh->parentObjectId != obj->parent->objectId &&
-- (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
-- obj->parent->objectId != YAFFS_OBJECTID_DELETED))
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
-- tags->objectId, oh->parentObjectId, obj->parent->objectId));
-+ if (parentCheck && tags->objectId > 1 && !obj->parent)
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
-+ tags->objectId, oh->parentObjectId));
-
-+ if (parentCheck && obj->parent &&
-+ oh->parentObjectId != obj->parent->objectId &&
-+ (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
-+ obj->parent->objectId != YAFFS_OBJECTID_DELETED))
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
-+ tags->objectId, oh->parentObjectId, obj->parent->objectId));
-
-- if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */
-+ if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */
- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header name is NULL"TENDSTR),
-- obj->objectId));
-+ (TSTR("Obj %d header name is NULL"TENDSTR),
-+ obj->objectId));
-
-- if(tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
-+ if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header name is 0xFF"TENDSTR),
-- obj->objectId));
-+ (TSTR("Obj %d header name is 0xFF"TENDSTR),
-+ obj->objectId));
- }
-
-
-
--static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn,
-- __u32 level, int chunkOffset)
-+static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
- {
- int i;
- yaffs_Device *dev = obj->myDev;
- int ok = 1;
-- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
- if (tn) {
- if (level > 0) {
-
-- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
-+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
- if (tn->internal[i]) {
- ok = yaffs_VerifyTnodeWorker(obj,
- tn->internal[i],
-@@ -611,20 +616,19 @@ static int yaffs_VerifyTnodeWorker(yaffs
- }
- }
- } else if (level == 0) {
-- int i;
- yaffs_ExtendedTags tags;
- __u32 objectId = obj->objectId;
-
- chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS;
-
-- for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){
-- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-+ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) {
-+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-
-- if(theChunk > 0){
-+ if (theChunk > 0) {
- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */
-- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
-- if(tags.objectId != objectId || tags.chunkId != chunkOffset){
-- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
-+ if (tags.objectId != objectId || tags.chunkId != chunkOffset) {
-+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
- objectId, chunkOffset, theChunk,
- tags.objectId, tags.chunkId));
- }
-@@ -646,13 +650,15 @@ static void yaffs_VerifyFile(yaffs_Objec
- __u32 lastChunk;
- __u32 x;
- __u32 i;
-- int ok;
- yaffs_Device *dev;
- yaffs_ExtendedTags tags;
- yaffs_Tnode *tn;
- __u32 objectId;
-
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (!obj)
-+ return;
-+
-+ if (yaffs_SkipVerification(obj->myDev))
- return;
-
- dev = obj->myDev;
-@@ -662,17 +668,17 @@ static void yaffs_VerifyFile(yaffs_Objec
- lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1;
- x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS;
- requiredTallness = 0;
-- while (x> 0) {
-+ while (x > 0) {
- x >>= YAFFS_TNODES_INTERNAL_BITS;
- requiredTallness++;
- }
-
- actualTallness = obj->variant.fileVariant.topLevel;
-
-- if(requiredTallness > actualTallness )
-+ if (requiredTallness > actualTallness)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR),
-- obj->objectId,actualTallness, requiredTallness));
-+ obj->objectId, actualTallness, requiredTallness));
-
-
- /* Check that the chunks in the tnode tree are all correct.
-@@ -680,39 +686,31 @@ static void yaffs_VerifyFile(yaffs_Objec
- * checking the tags for every chunk match.
- */
-
-- if(yaffs_SkipNANDVerification(dev))
-+ if (yaffs_SkipNANDVerification(dev))
- return;
-
-- for(i = 1; i <= lastChunk; i++){
-- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i);
-+ for (i = 1; i <= lastChunk; i++) {
-+ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i);
-
- if (tn) {
-- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-- if(theChunk > 0){
-+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-+ if (theChunk > 0) {
- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),objectId,i,theChunk)); */
-- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
-- if(tags.objectId != objectId || tags.chunkId != i){
-- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
-+ if (tags.objectId != objectId || tags.chunkId != i) {
-+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
- objectId, i, theChunk,
- tags.objectId, tags.chunkId));
- }
- }
- }
--
- }
--
- }
-
--static void yaffs_VerifyDirectory(yaffs_Object *obj)
--{
-- if(obj && yaffs_SkipVerification(obj->myDev))
-- return;
--
--}
-
- static void yaffs_VerifyHardLink(yaffs_Object *obj)
- {
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-
- /* Verify sane equivalent object */
-@@ -720,7 +718,7 @@ static void yaffs_VerifyHardLink(yaffs_O
-
- static void yaffs_VerifySymlink(yaffs_Object *obj)
- {
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-
- /* Verify symlink string */
-@@ -728,7 +726,7 @@ static void yaffs_VerifySymlink(yaffs_Ob
-
- static void yaffs_VerifySpecial(yaffs_Object *obj)
- {
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
- }
-
-@@ -740,14 +738,19 @@ static void yaffs_VerifyObject(yaffs_Obj
- __u32 chunkMax;
-
- __u32 chunkIdOk;
-- __u32 chunkIsLive;
-+ __u32 chunkInRange;
-+ __u32 chunkShouldNotBeDeleted;
-+ __u32 chunkValid;
-+
-+ if (!obj)
-+ return;
-
-- if(!obj)
-+ if (obj->beingCreated)
- return;
-
- dev = obj->myDev;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- /* Check sane object header chunk */
-@@ -755,50 +758,54 @@ static void yaffs_VerifyObject(yaffs_Obj
- chunkMin = dev->internalStartBlock * dev->nChunksPerBlock;
- chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1;
-
-- chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax);
-- chunkIsLive = chunkIdOk &&
-+ chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax);
-+ chunkIdOk = chunkInRange || obj->hdrChunk == 0;
-+ chunkValid = chunkInRange &&
- yaffs_CheckChunkBit(dev,
-- obj->chunkId / dev->nChunksPerBlock,
-- obj->chunkId % dev->nChunksPerBlock);
-- if(!obj->fake &&
-- (!chunkIdOk || !chunkIsLive)) {
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
-- obj->objectId,obj->chunkId,
-- chunkIdOk ? "" : ",out of range",
-- chunkIsLive || !chunkIdOk ? "" : ",marked as deleted"));
-+ obj->hdrChunk / dev->nChunksPerBlock,
-+ obj->hdrChunk % dev->nChunksPerBlock);
-+ chunkShouldNotBeDeleted = chunkInRange && !chunkValid;
-+
-+ if (!obj->fake &&
-+ (!chunkIdOk || chunkShouldNotBeDeleted)) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
-+ obj->objectId, obj->hdrChunk,
-+ chunkIdOk ? "" : ",out of range",
-+ chunkShouldNotBeDeleted ? ",marked as deleted" : ""));
- }
-
-- if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) {
-+ if (chunkValid && !yaffs_SkipNANDVerification(dev)) {
- yaffs_ExtendedTags tags;
- yaffs_ObjectHeader *oh;
-- __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__);
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
-
- oh = (yaffs_ObjectHeader *)buffer;
-
-- yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags);
-+ yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
-+ &tags);
-
-- yaffs_VerifyObjectHeader(obj,oh,&tags,1);
-+ yaffs_VerifyObjectHeader(obj, oh, &tags, 1);
-
-- yaffs_ReleaseTempBuffer(dev,buffer,__LINE__);
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
- }
-
- /* Verify it has a parent */
-- if(obj && !obj->fake &&
-- (!obj->parent || obj->parent->myDev != dev)){
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
-- obj->objectId,obj->parent));
-+ if (obj && !obj->fake &&
-+ (!obj->parent || obj->parent->myDev != dev)) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
-+ obj->objectId, obj->parent));
- }
-
- /* Verify parent is a directory */
-- if(obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY){
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
-- obj->objectId,obj->parent->variantType));
-+ if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
-+ obj->objectId, obj->parent->variantType));
- }
-
-- switch(obj->variantType){
-+ switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
- yaffs_VerifyFile(obj);
- break;
-@@ -818,33 +825,30 @@ static void yaffs_VerifyObject(yaffs_Obj
- default:
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has illegaltype %d"TENDSTR),
-- obj->objectId,obj->variantType));
-+ obj->objectId, obj->variantType));
- break;
- }
--
--
- }
-
- static void yaffs_VerifyObjects(yaffs_Device *dev)
- {
- yaffs_Object *obj;
- int i;
-- struct list_head *lh;
-+ struct ylist_head *lh;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- /* Iterate through the objects in each hash entry */
-
-- for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){
-- list_for_each(lh, &dev->objectBucket[i].list) {
-+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each(lh, &dev->objectBucket[i].list) {
- if (lh) {
-- obj = list_entry(lh, yaffs_Object, hashLink);
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
- yaffs_VerifyObject(obj);
- }
- }
-- }
--
-+ }
- }
-
-
-@@ -855,19 +859,20 @@ static void yaffs_VerifyObjects(yaffs_De
- static Y_INLINE int yaffs_HashFunction(int n)
- {
- n = abs(n);
-- return (n % YAFFS_NOBJECT_BUCKETS);
-+ return n % YAFFS_NOBJECT_BUCKETS;
- }
-
- /*
-- * Access functions to useful fake objects
-+ * Access functions to useful fake objects.
-+ * Note that root might have a presence in NAND if permissions are set.
- */
-
--yaffs_Object *yaffs_Root(yaffs_Device * dev)
-+yaffs_Object *yaffs_Root(yaffs_Device *dev)
- {
- return dev->rootDir;
- }
-
--yaffs_Object *yaffs_LostNFound(yaffs_Device * dev)
-+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev)
- {
- return dev->lostNFoundDir;
- }
-@@ -877,7 +882,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Dev
- * Erased NAND checking functions
- */
-
--int yaffs_CheckFF(__u8 * buffer, int nBytes)
-+int yaffs_CheckFF(__u8 *buffer, int nBytes)
- {
- /* Horrible, slow implementation */
- while (nBytes--) {
-@@ -889,9 +894,8 @@ int yaffs_CheckFF(__u8 * buffer, int nBy
- }
-
- static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND)
-+ int chunkInNAND)
- {
--
- int retval = YAFFS_OK;
- __u8 *data = yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_ExtendedTags tags;
-@@ -899,10 +903,9 @@ static int yaffs_CheckChunkErased(struct
-
- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags);
-
-- if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
-+ if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
- retval = YAFFS_FAIL;
-
--
- if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND));
-@@ -915,11 +918,10 @@ static int yaffs_CheckChunkErased(struct
-
- }
-
--
- static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
-- const __u8 * data,
-- yaffs_ExtendedTags * tags,
-- int useReserve)
-+ const __u8 *data,
-+ yaffs_ExtendedTags *tags,
-+ int useReserve)
- {
- int attempts = 0;
- int writeOk = 0;
-@@ -972,7 +974,7 @@ static int yaffs_WriteNewChunkWithTagsTo
- erasedOk = yaffs_CheckChunkErased(dev, chunk);
- if (erasedOk != YAFFS_OK) {
- T(YAFFS_TRACE_ERROR,
-- (TSTR ("**>> yaffs chunk %d was not erased"
-+ (TSTR("**>> yaffs chunk %d was not erased"
- TENDSTR), chunk));
-
- /* try another chunk */
-@@ -992,7 +994,11 @@ static int yaffs_WriteNewChunkWithTagsTo
- /* Copy the data into the robustification buffer */
- yaffs_HandleWriteChunkOk(dev, chunk, data, tags);
-
-- } while (writeOk != YAFFS_OK && attempts < yaffs_wr_attempts);
-+ } while (writeOk != YAFFS_OK &&
-+ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts));
-+
-+ if (!writeOk)
-+ chunk = -1;
-
- if (attempts > 1) {
- T(YAFFS_TRACE_ERROR,
-@@ -1009,13 +1015,35 @@ static int yaffs_WriteNewChunkWithTagsTo
- * Block retiring for handling a broken block.
- */
-
--static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND)
-+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND)
- {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
-
- yaffs_InvalidateCheckpoint(dev);
-
-- yaffs_MarkBlockBad(dev, blockInNAND);
-+ if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) {
-+ if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR(
-+ "yaffs: Failed to mark bad and erase block %d"
-+ TENDSTR), blockInNAND));
-+ } else {
-+ yaffs_ExtendedTags tags;
-+ int chunkId = blockInNAND * dev->nChunksPerBlock;
-+
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
-+
-+ memset(buffer, 0xff, dev->nDataBytesPerChunk);
-+ yaffs_InitialiseTags(&tags);
-+ tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK;
-+ if (dev->writeChunkWithTagsToNAND(dev, chunkId -
-+ dev->chunkOffset, buffer, &tags) != YAFFS_OK)
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to "
-+ TCONT("write bad block marker to block %d")
-+ TENDSTR), blockInNAND));
-+
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
-+ }
-+ }
-
- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
- bi->gcPrioritise = 0;
-@@ -1029,49 +1057,45 @@ static void yaffs_RetireBlock(yaffs_Devi
- *
- */
-
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags)
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags)
- {
- }
-
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_ExtendedTags * tags)
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_ExtendedTags *tags)
- {
- }
-
- void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi)
- {
-- if(!bi->gcPrioritise){
-+ if (!bi->gcPrioritise) {
- bi->gcPrioritise = 1;
- dev->hasPendingPrioritisedGCs = 1;
-- bi->chunkErrorStrikes ++;
-+ bi->chunkErrorStrikes++;
-
-- if(bi->chunkErrorStrikes > 3){
-+ if (bi->chunkErrorStrikes > 3) {
- bi->needsRetiring = 1; /* Too many stikes, so retire this */
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR)));
-
- }
--
- }
- }
-
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk)
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
-+ int erasedOk)
- {
--
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
-
-- yaffs_HandleChunkError(dev,bi);
-+ yaffs_HandleChunkError(dev, bi);
-
--
-- if(erasedOk ) {
-+ if (erasedOk) {
- /* Was an actual write failure, so mark the block for retirement */
- bi->needsRetiring = 1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND));
--
--
- }
-
- /* Delete the chunk */
-@@ -1081,12 +1105,12 @@ static void yaffs_HandleWriteChunkError(
-
- /*---------------- Name handling functions ------------*/
-
--static __u16 yaffs_CalcNameSum(const YCHAR * name)
-+static __u16 yaffs_CalcNameSum(const YCHAR *name)
- {
- __u16 sum = 0;
- __u16 i = 1;
-
-- YUCHAR *bname = (YUCHAR *) name;
-+ const YUCHAR *bname = (const YUCHAR *) name;
- if (bname) {
- while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
-
-@@ -1102,14 +1126,14 @@ static __u16 yaffs_CalcNameSum(const YCH
- return sum;
- }
-
--static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name)
-+static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name)
- {
- #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) {
-+ memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
-+ if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH)
- yaffs_strcpy(obj->shortName, name);
-- } else {
-+ else
- obj->shortName[0] = _Y('\0');
-- }
- #endif
- obj->sum = yaffs_CalcNameSum(name);
- }
-@@ -1126,7 +1150,7 @@ static void yaffs_SetObjectName(yaffs_Ob
- * Don't use this function directly
- */
-
--static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes)
-+static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
- {
- int i;
- int tnodeSize;
-@@ -1143,6 +1167,9 @@ static int yaffs_CreateTnodes(yaffs_Devi
- * Must be a multiple of 32-bits */
- tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
- /* make these things */
-
- newTnodes = YMALLOC(nTnodes * tnodeSize);
-@@ -1150,7 +1177,7 @@ static int yaffs_CreateTnodes(yaffs_Devi
-
- if (!newTnodes) {
- T(YAFFS_TRACE_ERROR,
-- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
-+ (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
- return YAFFS_FAIL;
- }
-
-@@ -1170,7 +1197,7 @@ static int yaffs_CreateTnodes(yaffs_Devi
- dev->freeTnodes = newTnodes;
- #else
- /* New hookup for wide tnodes */
-- for(i = 0; i < nTnodes -1; i++) {
-+ for (i = 0; i < nTnodes - 1; i++) {
- curr = (yaffs_Tnode *) &mem[i * tnodeSize];
- next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize];
- curr->internal[0] = next;
-@@ -1197,7 +1224,6 @@ static int yaffs_CreateTnodes(yaffs_Devi
- (TSTR
- ("yaffs: Could not add tnodes to management list" TENDSTR)));
- return YAFFS_FAIL;
--
- } else {
- tnl->tnodes = newTnodes;
- tnl->next = dev->allocatedTnodeList;
-@@ -1211,14 +1237,13 @@ static int yaffs_CreateTnodes(yaffs_Devi
-
- /* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */
-
--static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev)
-+static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev)
- {
- yaffs_Tnode *tn = NULL;
-
- /* If there are none left make more */
-- if (!dev->freeTnodes) {
-+ if (!dev->freeTnodes)
- yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
-- }
-
- if (dev->freeTnodes) {
- tn = dev->freeTnodes;
-@@ -1233,21 +1258,27 @@ static yaffs_Tnode *yaffs_GetTnodeRaw(ya
- dev->nFreeTnodes--;
- }
-
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-+
- return tn;
- }
-
--static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev)
-+static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
- {
- yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev);
-+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
-- if(tn)
-- memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
-+ if (tn)
-+ memset(tn, 0, tnodeSize);
-
- return tn;
- }
-
- /* FreeTnode frees up a tnode and puts it back on the free list */
--static void yaffs_FreeTnode(yaffs_Device * dev, yaffs_Tnode * tn)
-+static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
- {
- if (tn) {
- #ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
-@@ -1262,9 +1293,10 @@ static void yaffs_FreeTnode(yaffs_Device
- dev->freeTnodes = tn;
- dev->nFreeTnodes++;
- }
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
- }
-
--static void yaffs_DeinitialiseTnodes(yaffs_Device * dev)
-+static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
- {
- /* Free the list of allocated tnodes */
- yaffs_TnodeList *tmp;
-@@ -1282,71 +1314,72 @@ static void yaffs_DeinitialiseTnodes(yaf
- dev->nFreeTnodes = 0;
- }
-
--static void yaffs_InitialiseTnodes(yaffs_Device * dev)
-+static void yaffs_InitialiseTnodes(yaffs_Device *dev)
- {
- dev->allocatedTnodeList = NULL;
- dev->freeTnodes = NULL;
- dev->nFreeTnodes = 0;
- dev->nTnodesCreated = 0;
--
- }
-
-
--void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsigned val)
-+void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos,
-+ unsigned val)
- {
-- __u32 *map = (__u32 *)tn;
-- __u32 bitInMap;
-- __u32 bitInWord;
-- __u32 wordInMap;
-- __u32 mask;
-+ __u32 *map = (__u32 *)tn;
-+ __u32 bitInMap;
-+ __u32 bitInWord;
-+ __u32 wordInMap;
-+ __u32 mask;
-
-- pos &= YAFFS_TNODES_LEVEL0_MASK;
-- val >>= dev->chunkGroupBits;
-+ pos &= YAFFS_TNODES_LEVEL0_MASK;
-+ val >>= dev->chunkGroupBits;
-
-- bitInMap = pos * dev->tnodeWidth;
-- wordInMap = bitInMap /32;
-- bitInWord = bitInMap & (32 -1);
-+ bitInMap = pos * dev->tnodeWidth;
-+ wordInMap = bitInMap / 32;
-+ bitInWord = bitInMap & (32 - 1);
-
-- mask = dev->tnodeMask << bitInWord;
-+ mask = dev->tnodeMask << bitInWord;
-
-- map[wordInMap] &= ~mask;
-- map[wordInMap] |= (mask & (val << bitInWord));
-+ map[wordInMap] &= ~mask;
-+ map[wordInMap] |= (mask & (val << bitInWord));
-
-- if(dev->tnodeWidth > (32-bitInWord)) {
-- bitInWord = (32 - bitInWord);
-- wordInMap++;;
-- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
-- map[wordInMap] &= ~mask;
-- map[wordInMap] |= (mask & (val >> bitInWord));
-- }
-+ if (dev->tnodeWidth > (32 - bitInWord)) {
-+ bitInWord = (32 - bitInWord);
-+ wordInMap++;;
-+ mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
-+ map[wordInMap] &= ~mask;
-+ map[wordInMap] |= (mask & (val >> bitInWord));
-+ }
- }
-
--static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos)
-+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
-+ unsigned pos)
- {
-- __u32 *map = (__u32 *)tn;
-- __u32 bitInMap;
-- __u32 bitInWord;
-- __u32 wordInMap;
-- __u32 val;
-+ __u32 *map = (__u32 *)tn;
-+ __u32 bitInMap;
-+ __u32 bitInWord;
-+ __u32 wordInMap;
-+ __u32 val;
-
-- pos &= YAFFS_TNODES_LEVEL0_MASK;
-+ pos &= YAFFS_TNODES_LEVEL0_MASK;
-
-- bitInMap = pos * dev->tnodeWidth;
-- wordInMap = bitInMap /32;
-- bitInWord = bitInMap & (32 -1);
-+ bitInMap = pos * dev->tnodeWidth;
-+ wordInMap = bitInMap / 32;
-+ bitInWord = bitInMap & (32 - 1);
-
-- val = map[wordInMap] >> bitInWord;
-+ val = map[wordInMap] >> bitInWord;
-
-- if(dev->tnodeWidth > (32-bitInWord)) {
-- bitInWord = (32 - bitInWord);
-- wordInMap++;;
-- val |= (map[wordInMap] << bitInWord);
-- }
-+ if (dev->tnodeWidth > (32 - bitInWord)) {
-+ bitInWord = (32 - bitInWord);
-+ wordInMap++;;
-+ val |= (map[wordInMap] << bitInWord);
-+ }
-
-- val &= dev->tnodeMask;
-- val <<= dev->chunkGroupBits;
-+ val &= dev->tnodeMask;
-+ val <<= dev->chunkGroupBits;
-
-- return val;
-+ return val;
- }
-
- /* ------------------- End of individual tnode manipulation -----------------*/
-@@ -1357,24 +1390,21 @@ static __u32 yaffs_GetChunkGroupBase(yaf
- */
-
- /* FindLevel0Tnode finds the level 0 tnode, if one exists. */
--static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct,
-- __u32 chunkId)
-+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId)
- {
--
- yaffs_Tnode *tn = fStruct->top;
- __u32 i;
- int requiredTallness;
- int level = fStruct->topLevel;
-
- /* Check sane level and chunk Id */
-- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) {
-+ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
- return NULL;
-- }
-
-- if (chunkId > YAFFS_MAX_CHUNK_ID) {
-+ if (chunkId > YAFFS_MAX_CHUNK_ID)
- return NULL;
-- }
-
- /* First check we're tall enough (ie enough topLevel) */
-
-@@ -1385,22 +1415,17 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod
- requiredTallness++;
- }
-
-- if (requiredTallness > fStruct->topLevel) {
-- /* Not tall enough, so we can't find it, return NULL. */
-- return NULL;
-- }
-+ if (requiredTallness > fStruct->topLevel)
-+ return NULL; /* Not tall enough, so we can't find it */
-
- /* Traverse down to level 0 */
- while (level > 0 && tn) {
-- tn = tn->
-- internal[(chunkId >>
-- ( YAFFS_TNODES_LEVEL0_BITS +
-- (level - 1) *
-- YAFFS_TNODES_INTERNAL_BITS)
-- ) &
-- YAFFS_TNODES_INTERNAL_MASK];
-+ tn = tn->internal[(chunkId >>
-+ (YAFFS_TNODES_LEVEL0_BITS +
-+ (level - 1) *
-+ YAFFS_TNODES_INTERNAL_BITS)) &
-+ YAFFS_TNODES_INTERNAL_MASK];
- level--;
--
- }
-
- return tn;
-@@ -1417,12 +1442,11 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod
- * be plugged into the ttree.
- */
-
--static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct,
-- __u32 chunkId,
-- yaffs_Tnode *passedTn)
-+static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId,
-+ yaffs_Tnode *passedTn)
- {
--
- int requiredTallness;
- int i;
- int l;
-@@ -1432,13 +1456,11 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
-
-
- /* Check sane level and page Id */
-- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) {
-+ if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL)
- return NULL;
-- }
-
-- if (chunkId > YAFFS_MAX_CHUNK_ID) {
-+ if (chunkId > YAFFS_MAX_CHUNK_ID)
- return NULL;
-- }
-
- /* First check we're tall enough (ie enough topLevel) */
-
-@@ -1451,7 +1473,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
-
-
- if (requiredTallness > fStruct->topLevel) {
-- /* Not tall enough,gotta make the tree taller */
-+ /* Not tall enough, gotta make the tree taller */
- for (i = fStruct->topLevel; i < requiredTallness; i++) {
-
- tn = yaffs_GetTnode(dev);
-@@ -1473,27 +1495,27 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
- l = fStruct->topLevel;
- tn = fStruct->top;
-
-- if(l > 0) {
-+ if (l > 0) {
- while (l > 0 && tn) {
- x = (chunkId >>
-- ( YAFFS_TNODES_LEVEL0_BITS +
-+ (YAFFS_TNODES_LEVEL0_BITS +
- (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
- YAFFS_TNODES_INTERNAL_MASK;
-
-
-- if((l>1) && !tn->internal[x]){
-+ if ((l > 1) && !tn->internal[x]) {
- /* Add missing non-level-zero tnode */
- tn->internal[x] = yaffs_GetTnode(dev);
-
-- } else if(l == 1) {
-+ } else if (l == 1) {
- /* Looking from level 1 at level 0 */
-- if (passedTn) {
-+ if (passedTn) {
- /* If we already have one, then release it.*/
-- if(tn->internal[x])
-- yaffs_FreeTnode(dev,tn->internal[x]);
-+ if (tn->internal[x])
-+ yaffs_FreeTnode(dev, tn->internal[x]);
- tn->internal[x] = passedTn;
-
-- } else if(!tn->internal[x]) {
-+ } else if (!tn->internal[x]) {
- /* Don't have one, none passed in */
- tn->internal[x] = yaffs_GetTnode(dev);
- }
-@@ -1504,31 +1526,29 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
- }
- } else {
- /* top is level 0 */
-- if(passedTn) {
-- memcpy(tn,passedTn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-- yaffs_FreeTnode(dev,passedTn);
-+ if (passedTn) {
-+ memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ yaffs_FreeTnode(dev, passedTn);
- }
- }
-
- return tn;
- }
-
--static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk,
-- yaffs_ExtendedTags * tags, int objectId,
-- int chunkInInode)
-+static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk,
-+ yaffs_ExtendedTags *tags, int objectId,
-+ int chunkInInode)
- {
- int j;
-
- for (j = 0; theChunk && j < dev->chunkGroupSize; j++) {
-- if (yaffs_CheckChunkBit
-- (dev, theChunk / dev->nChunksPerBlock,
-- theChunk % dev->nChunksPerBlock)) {
-+ if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock,
-+ theChunk % dev->nChunksPerBlock)) {
- yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL,
- tags);
- if (yaffs_TagsMatch(tags, objectId, chunkInInode)) {
- /* found it; */
- return theChunk;
--
- }
- }
- theChunk++;
-@@ -1543,7 +1563,7 @@ static int yaffs_FindChunkInGroup(yaffs_
- * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
- */
-
--static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
-+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
- int chunkOffset, int *limit)
- {
- int i;
-@@ -1557,7 +1577,6 @@ static int yaffs_DeleteWorker(yaffs_Obje
-
- if (tn) {
- if (level > 0) {
--
- for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
- i--) {
- if (tn->internal[i]) {
-@@ -1565,17 +1584,17 @@ static int yaffs_DeleteWorker(yaffs_Obje
- allDone = 0;
- } else {
- allDone =
-- yaffs_DeleteWorker(in,
-- tn->
-- internal
-- [i],
-- level -
-- 1,
-- (chunkOffset
-+ yaffs_DeleteWorker(in,
-+ tn->
-+ internal
-+ [i],
-+ level -
-+ 1,
-+ (chunkOffset
- <<
- YAFFS_TNODES_INTERNAL_BITS)
-- + i,
-- limit);
-+ + i,
-+ limit);
- }
- if (allDone) {
- yaffs_FreeTnode(dev,
-@@ -1584,27 +1603,25 @@ static int yaffs_DeleteWorker(yaffs_Obje
- tn->internal[i] = NULL;
- }
- }
--
- }
- return (allDone) ? 1 : 0;
- } else if (level == 0) {
- int hitLimit = 0;
-
- for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
-- i--) {
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-+ i--) {
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
- if (theChunk) {
-
-- chunkInInode =
-- (chunkOffset <<
-- YAFFS_TNODES_LEVEL0_BITS) + i;
-+ chunkInInode = (chunkOffset <<
-+ YAFFS_TNODES_LEVEL0_BITS) + i;
-
- foundChunk =
-- yaffs_FindChunkInGroup(dev,
-- theChunk,
-- &tags,
-- in->objectId,
-- chunkInInode);
-+ yaffs_FindChunkInGroup(dev,
-+ theChunk,
-+ &tags,
-+ in->objectId,
-+ chunkInInode);
-
- if (foundChunk > 0) {
- yaffs_DeleteChunk(dev,
-@@ -1613,14 +1630,13 @@ static int yaffs_DeleteWorker(yaffs_Obje
- in->nDataChunks--;
- if (limit) {
- *limit = *limit - 1;
-- if (*limit <= 0) {
-+ if (*limit <= 0)
- hitLimit = 1;
-- }
- }
-
- }
-
-- yaffs_PutLevel0Tnode(dev,tn,i,0);
-+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
- }
-
- }
-@@ -1634,9 +1650,8 @@ static int yaffs_DeleteWorker(yaffs_Obje
-
- }
-
--static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk)
-+static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk)
- {
--
- yaffs_BlockInfo *theBlock;
-
- T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
-@@ -1654,7 +1669,7 @@ static void yaffs_SoftDeleteChunk(yaffs_
- * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted.
- */
-
--static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn,
-+static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn,
- __u32 level, int chunkOffset)
- {
- int i;
-@@ -1691,14 +1706,14 @@ static int yaffs_SoftDeleteWorker(yaffs_
- } else if (level == 0) {
-
- for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) {
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
- if (theChunk) {
- /* Note this does not find the real chunk, only the chunk group.
- * We make an assumption that a chunk group is not larger than
- * a block.
- */
- yaffs_SoftDeleteChunk(dev, theChunk);
-- yaffs_PutLevel0Tnode(dev,tn,i,0);
-+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
- }
-
- }
-@@ -1712,7 +1727,7 @@ static int yaffs_SoftDeleteWorker(yaffs_
-
- }
-
--static void yaffs_SoftDeleteFile(yaffs_Object * obj)
-+static void yaffs_SoftDeleteFile(yaffs_Object *obj)
- {
- if (obj->deleted &&
- obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) {
-@@ -1746,8 +1761,8 @@ static void yaffs_SoftDeleteFile(yaffs_O
- * by a special case.
- */
-
--static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device * dev, yaffs_Tnode * tn,
-- __u32 level, int del0)
-+static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
-+ __u32 level, int del0)
- {
- int i;
- int hasData;
-@@ -1763,9 +1778,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya
- (i == 0) ? del0 : 1);
- }
-
-- if (tn->internal[i]) {
-+ if (tn->internal[i])
- hasData++;
-- }
- }
-
- if (hasData == 0 && del0) {
-@@ -1781,8 +1795,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya
-
- }
-
--static int yaffs_PruneFileStructure(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct)
-+static int yaffs_PruneFileStructure(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct)
- {
- int i;
- int hasData;
-@@ -1805,9 +1819,8 @@ static int yaffs_PruneFileStructure(yaff
-
- hasData = 0;
- for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) {
-- if (tn->internal[i]) {
-+ if (tn->internal[i])
- hasData++;
-- }
- }
-
- if (!hasData) {
-@@ -1828,7 +1841,7 @@ static int yaffs_PruneFileStructure(yaff
- /* yaffs_CreateFreeObjects creates a bunch more objects and
- * adds them to the object free list.
- */
--static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects)
-+static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects)
- {
- int i;
- yaffs_Object *newObjects;
-@@ -1842,9 +1855,9 @@ static int yaffs_CreateFreeObjects(yaffs
- list = YMALLOC(sizeof(yaffs_ObjectList));
-
- if (!newObjects || !list) {
-- if(newObjects)
-+ if (newObjects)
- YFREE(newObjects);
-- if(list)
-+ if (list)
- YFREE(list);
- T(YAFFS_TRACE_ALLOCATE,
- (TSTR("yaffs: Could not allocate more objects" TENDSTR)));
-@@ -1854,7 +1867,7 @@ static int yaffs_CreateFreeObjects(yaffs
- /* Hook them into the free list */
- for (i = 0; i < nObjects - 1; i++) {
- newObjects[i].siblings.next =
-- (struct list_head *)(&newObjects[i + 1]);
-+ (struct ylist_head *)(&newObjects[i + 1]);
- }
-
- newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects;
-@@ -1873,85 +1886,109 @@ static int yaffs_CreateFreeObjects(yaffs
-
-
- /* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
--static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev)
-+static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev)
- {
- yaffs_Object *tn = NULL;
-
-+#ifdef VALGRIND_TEST
-+ tn = YMALLOC(sizeof(yaffs_Object));
-+#else
- /* If there are none left make more */
-- if (!dev->freeObjects) {
-+ if (!dev->freeObjects)
- yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS);
-- }
-
- if (dev->freeObjects) {
- tn = dev->freeObjects;
- dev->freeObjects =
-- (yaffs_Object *) (dev->freeObjects->siblings.next);
-+ (yaffs_Object *) (dev->freeObjects->siblings.next);
- dev->nFreeObjects--;
--
-+ }
-+#endif
-+ if (tn) {
- /* Now sweeten it up... */
-
- memset(tn, 0, sizeof(yaffs_Object));
-+ tn->beingCreated = 1;
-+
- tn->myDev = dev;
-- tn->chunkId = -1;
-+ tn->hdrChunk = 0;
- tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
-- INIT_LIST_HEAD(&(tn->hardLinks));
-- INIT_LIST_HEAD(&(tn->hashLink));
-- INIT_LIST_HEAD(&tn->siblings);
-+ YINIT_LIST_HEAD(&(tn->hardLinks));
-+ YINIT_LIST_HEAD(&(tn->hashLink));
-+ YINIT_LIST_HEAD(&tn->siblings);
-+
-+
-+ /* Now make the directory sane */
-+ if (dev->rootDir) {
-+ tn->parent = dev->rootDir;
-+ ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children);
-+ }
-
- /* Add it to the lost and found directory.
- * NB Can't put root or lostNFound in lostNFound so
- * check if lostNFound exists first
- */
-- if (dev->lostNFoundDir) {
-+ if (dev->lostNFoundDir)
- yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn);
-- }
-+
-+ tn->beingCreated = 0;
- }
-
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-+
- return tn;
- }
-
--static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device * dev, int number,
-+static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number,
- __u32 mode)
- {
-
- yaffs_Object *obj =
- yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
- if (obj) {
-- obj->fake = 1; /* it is fake so it has no NAND presence... */
-+ obj->fake = 1; /* it is fake so it might have no NAND presence... */
- obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */
- obj->unlinkAllowed = 0; /* ... or unlink it */
- obj->deleted = 0;
- obj->unlinked = 0;
- obj->yst_mode = mode;
- obj->myDev = dev;
-- obj->chunkId = 0; /* Not a valid chunk. */
-+ obj->hdrChunk = 0; /* Not a valid chunk. */
- }
-
- return obj;
-
- }
-
--static void yaffs_UnhashObject(yaffs_Object * tn)
-+static void yaffs_UnhashObject(yaffs_Object *tn)
- {
- int bucket;
- yaffs_Device *dev = tn->myDev;
-
- /* If it is still linked into the bucket list, free from the list */
-- if (!list_empty(&tn->hashLink)) {
-- list_del_init(&tn->hashLink);
-+ if (!ylist_empty(&tn->hashLink)) {
-+ ylist_del_init(&tn->hashLink);
- bucket = yaffs_HashFunction(tn->objectId);
- dev->objectBucket[bucket].count--;
- }
--
- }
-
- /* FreeObject frees up a Object and puts it back on the free list */
--static void yaffs_FreeObject(yaffs_Object * tn)
-+static void yaffs_FreeObject(yaffs_Object *tn)
- {
--
- yaffs_Device *dev = tn->myDev;
-
--#ifdef __KERNEL__
-+#ifdef __KERNEL__
-+ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode));
-+#endif
-+
-+ if (tn->parent)
-+ YBUG();
-+ if (!ylist_empty(&tn->siblings))
-+ YBUG();
-+
-+
-+#ifdef __KERNEL__
- if (tn->myInode) {
- /* We're still hooked up to a cached inode.
- * Don't delete now, but mark for later deletion
-@@ -1963,24 +2000,28 @@ static void yaffs_FreeObject(yaffs_Objec
-
- yaffs_UnhashObject(tn);
-
-+#ifdef VALGRIND_TEST
-+ YFREE(tn);
-+#else
- /* Link into the free list. */
-- tn->siblings.next = (struct list_head *)(dev->freeObjects);
-+ tn->siblings.next = (struct ylist_head *)(dev->freeObjects);
- dev->freeObjects = tn;
- dev->nFreeObjects++;
-+#endif
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
- }
-
- #ifdef __KERNEL__
-
--void yaffs_HandleDeferedFree(yaffs_Object * obj)
-+void yaffs_HandleDeferedFree(yaffs_Object *obj)
- {
-- if (obj->deferedFree) {
-+ if (obj->deferedFree)
- yaffs_FreeObject(obj);
-- }
- }
-
- #endif
-
--static void yaffs_DeinitialiseObjects(yaffs_Device * dev)
-+static void yaffs_DeinitialiseObjects(yaffs_Device *dev)
- {
- /* Free the list of allocated Objects */
-
-@@ -1998,7 +2039,7 @@ static void yaffs_DeinitialiseObjects(ya
- dev->nFreeObjects = 0;
- }
-
--static void yaffs_InitialiseObjects(yaffs_Device * dev)
-+static void yaffs_InitialiseObjects(yaffs_Device *dev)
- {
- int i;
-
-@@ -2007,15 +2048,14 @@ static void yaffs_InitialiseObjects(yaff
- dev->nFreeObjects = 0;
-
- for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-- INIT_LIST_HEAD(&dev->objectBucket[i].list);
-+ YINIT_LIST_HEAD(&dev->objectBucket[i].list);
- dev->objectBucket[i].count = 0;
- }
--
- }
-
--static int yaffs_FindNiceObjectBucket(yaffs_Device * dev)
-+static int yaffs_FindNiceObjectBucket(yaffs_Device *dev)
- {
-- static int x = 0;
-+ static int x;
- int i;
- int l = 999;
- int lowest = 999999;
-@@ -2049,7 +2089,7 @@ static int yaffs_FindNiceObjectBucket(ya
- return l;
- }
-
--static int yaffs_CreateNewObjectNumber(yaffs_Device * dev)
-+static int yaffs_CreateNewObjectNumber(yaffs_Device *dev)
- {
- int bucket = yaffs_FindNiceObjectBucket(dev);
-
-@@ -2058,7 +2098,7 @@ static int yaffs_CreateNewObjectNumber(y
- */
-
- int found = 0;
-- struct list_head *i;
-+ struct ylist_head *i;
-
- __u32 n = (__u32) bucket;
-
-@@ -2068,41 +2108,38 @@ static int yaffs_CreateNewObjectNumber(y
- found = 1;
- n += YAFFS_NOBJECT_BUCKETS;
- if (1 || dev->objectBucket[bucket].count > 0) {
-- list_for_each(i, &dev->objectBucket[bucket].list) {
-+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
- /* If there is already one in the list */
-- if (i
-- && list_entry(i, yaffs_Object,
-- hashLink)->objectId == n) {
-+ if (i && ylist_entry(i, yaffs_Object,
-+ hashLink)->objectId == n) {
- found = 0;
- }
- }
- }
- }
-
--
- return n;
- }
-
--static void yaffs_HashObject(yaffs_Object * in)
-+static void yaffs_HashObject(yaffs_Object *in)
- {
- int bucket = yaffs_HashFunction(in->objectId);
- yaffs_Device *dev = in->myDev;
-
-- list_add(&in->hashLink, &dev->objectBucket[bucket].list);
-+ ylist_add(&in->hashLink, &dev->objectBucket[bucket].list);
- dev->objectBucket[bucket].count++;
--
- }
-
--yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number)
-+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number)
- {
- int bucket = yaffs_HashFunction(number);
-- struct list_head *i;
-+ struct ylist_head *i;
- yaffs_Object *in;
-
-- list_for_each(i, &dev->objectBucket[bucket].list) {
-+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
- /* Look if it is in the list */
- if (i) {
-- in = list_entry(i, yaffs_Object, hashLink);
-+ in = ylist_entry(i, yaffs_Object, hashLink);
- if (in->objectId == number) {
- #ifdef __KERNEL__
- /* Don't tell the VFS about this one if it is defered free */
-@@ -2118,31 +2155,27 @@ yaffs_Object *yaffs_FindObjectByNumber(y
- return NULL;
- }
-
--yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
-+yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
- yaffs_ObjectType type)
- {
--
- yaffs_Object *theObject;
-- yaffs_Tnode *tn;
-+ yaffs_Tnode *tn = NULL;
-
-- if (number < 0) {
-+ if (number < 0)
- number = yaffs_CreateNewObjectNumber(dev);
-- }
-
- theObject = yaffs_AllocateEmptyObject(dev);
-- if(!theObject)
-+ if (!theObject)
- return NULL;
-
-- if(type == YAFFS_OBJECT_TYPE_FILE){
-+ if (type == YAFFS_OBJECT_TYPE_FILE) {
- tn = yaffs_GetTnode(dev);
-- if(!tn){
-+ if (!tn) {
- yaffs_FreeObject(theObject);
- return NULL;
- }
- }
-
--
--
- if (theObject) {
- theObject->fake = 0;
- theObject->renameAllowed = 1;
-@@ -2171,8 +2204,8 @@ yaffs_Object *yaffs_CreateNewObject(yaff
- theObject->variant.fileVariant.top = tn;
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-- INIT_LIST_HEAD(&theObject->variant.directoryVariant.
-- children);
-+ YINIT_LIST_HEAD(&theObject->variant.directoryVariant.
-+ children);
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
- case YAFFS_OBJECT_TYPE_HARDLINK:
-@@ -2188,32 +2221,30 @@ yaffs_Object *yaffs_CreateNewObject(yaff
- return theObject;
- }
-
--static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev,
-+static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
- int number,
- yaffs_ObjectType type)
- {
- yaffs_Object *theObject = NULL;
-
-- if (number > 0) {
-+ if (number > 0)
- theObject = yaffs_FindObjectByNumber(dev, number);
-- }
-
-- if (!theObject) {
-+ if (!theObject)
- theObject = yaffs_CreateNewObject(dev, number, type);
-- }
-
- return theObject;
-
- }
-
-
--static YCHAR *yaffs_CloneString(const YCHAR * str)
-+static YCHAR *yaffs_CloneString(const YCHAR *str)
- {
- YCHAR *newStr = NULL;
-
- if (str && *str) {
- newStr = YMALLOC((yaffs_strlen(str) + 1) * sizeof(YCHAR));
-- if(newStr)
-+ if (newStr)
- yaffs_strcpy(newStr, str);
- }
-
-@@ -2229,29 +2260,31 @@ static YCHAR *yaffs_CloneString(const YC
- */
-
- static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type,
-- yaffs_Object * parent,
-- const YCHAR * name,
-+ yaffs_Object *parent,
-+ const YCHAR *name,
- __u32 mode,
- __u32 uid,
- __u32 gid,
-- yaffs_Object * equivalentObject,
-- const YCHAR * aliasString, __u32 rdev)
-+ yaffs_Object *equivalentObject,
-+ const YCHAR *aliasString, __u32 rdev)
- {
- yaffs_Object *in;
-- YCHAR *str;
-+ YCHAR *str = NULL;
-
- yaffs_Device *dev = parent->myDev;
-
- /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/
-- if (yaffs_FindObjectByName(parent, name)) {
-+ if (yaffs_FindObjectByName(parent, name))
- return NULL;
-- }
-
- in = yaffs_CreateNewObject(dev, -1, type);
-
-- if(type == YAFFS_OBJECT_TYPE_SYMLINK){
-+ if (!in)
-+ return YAFFS_FAIL;
-+
-+ if (type == YAFFS_OBJECT_TYPE_SYMLINK) {
- str = yaffs_CloneString(aliasString);
-- if(!str){
-+ if (!str) {
- yaffs_FreeObject(in);
- return NULL;
- }
-@@ -2260,7 +2293,7 @@ static yaffs_Object *yaffs_MknodObject(y
-
-
- if (in) {
-- in->chunkId = -1;
-+ in->hdrChunk = 0;
- in->valid = 1;
- in->variantType = type;
-
-@@ -2293,10 +2326,10 @@ static yaffs_Object *yaffs_MknodObject(y
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
- in->variant.hardLinkVariant.equivalentObject =
-- equivalentObject;
-+ equivalentObject;
- in->variant.hardLinkVariant.equivalentObjectId =
-- equivalentObject->objectId;
-- list_add(&in->hardLinks, &equivalentObject->hardLinks);
-+ equivalentObject->objectId;
-+ ylist_add(&in->hardLinks, &equivalentObject->hardLinks);
- break;
- case YAFFS_OBJECT_TYPE_FILE:
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-@@ -2308,7 +2341,7 @@ static yaffs_Object *yaffs_MknodObject(y
-
- if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) {
- /* Could not create the object header, fail the creation */
-- yaffs_DestroyObject(in);
-+ yaffs_DeleteObject(in);
- in = NULL;
- }
-
-@@ -2317,38 +2350,38 @@ static yaffs_Object *yaffs_MknodObject(y
- return in;
- }
-
--yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid)
-+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode,
-- uid, gid, NULL, NULL, 0);
-+ uid, gid, NULL, NULL, 0);
- }
-
--yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid)
-+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name,
- mode, uid, gid, NULL, NULL, 0);
- }
-
--yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
-+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode,
- uid, gid, NULL, NULL, rdev);
- }
-
--yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid,
-- const YCHAR * alias)
-+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid,
-+ const YCHAR *alias)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode,
-- uid, gid, NULL, alias, 0);
-+ uid, gid, NULL, alias, 0);
- }
-
- /* yaffs_Link returns the object id of the equivalent object.*/
--yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
-- yaffs_Object * equivalentObject)
-+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
-+ yaffs_Object *equivalentObject)
- {
- /* Get the real object in case we were fed a hard link as an equivalent object */
- equivalentObject = yaffs_GetEquivalentObject(equivalentObject);
-@@ -2363,33 +2396,31 @@ yaffs_Object *yaffs_Link(yaffs_Object *
-
- }
-
--static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir,
-- const YCHAR * newName, int force, int shadows)
-+static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir,
-+ const YCHAR *newName, int force, int shadows)
- {
- int unlinkOp;
- int deleteOp;
-
- yaffs_Object *existingTarget;
-
-- if (newDir == NULL) {
-+ if (newDir == NULL)
- newDir = obj->parent; /* use the old directory */
-- }
-
- if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
-- ("tragendy: yaffs_ChangeObjectName: newDir is not a directory"
-+ ("tragedy: yaffs_ChangeObjectName: newDir is not a directory"
- TENDSTR)));
- YBUG();
- }
-
- /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
-- if (obj->myDev->isYaffs2) {
-+ if (obj->myDev->isYaffs2)
- unlinkOp = (newDir == obj->myDev->unlinkedDir);
-- } else {
-+ else
- unlinkOp = (newDir == obj->myDev->unlinkedDir
- && obj->variantType == YAFFS_OBJECT_TYPE_FILE);
-- }
-
- deleteOp = (newDir == obj->myDev->deletedDir);
-
-@@ -2415,40 +2446,40 @@ static int yaffs_ChangeObjectName(yaffs_
- obj->unlinked = 1;
-
- /* If it is a deletion then we mark it as a shrink for gc purposes. */
-- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows)>= 0)
-+ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0)
- return YAFFS_OK;
- }
-
- return YAFFS_FAIL;
- }
-
--int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
-- yaffs_Object * newDir, const YCHAR * newName)
-+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
-+ yaffs_Object *newDir, const YCHAR *newName)
- {
-- yaffs_Object *obj;
-- yaffs_Object *existingTarget;
-+ yaffs_Object *obj = NULL;
-+ yaffs_Object *existingTarget = NULL;
- int force = 0;
-
-+
-+ if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ YBUG();
-+ if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ YBUG();
-+
- #ifdef CONFIG_YAFFS_CASE_INSENSITIVE
- /* Special case for case insemsitive systems (eg. WinCE).
- * While look-up is case insensitive, the name isn't.
- * Therefore we might want to change x.txt to X.txt
- */
-- if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) {
-+ if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0)
- force = 1;
-- }
- #endif
-
-+ else if (yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
-+ /* ENAMETOOLONG */
-+ return YAFFS_FAIL;
-+
- obj = yaffs_FindObjectByName(oldDir, oldName);
-- /* Check new name to long. */
-- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK &&
-- yaffs_strlen(newName) > YAFFS_MAX_ALIAS_LENGTH)
-- /* ENAMETOOLONG */
-- return YAFFS_FAIL;
-- else if (obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK &&
-- yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
-- /* ENAMETOOLONG */
-- return YAFFS_FAIL;
-
- if (obj && obj->renameAllowed) {
-
-@@ -2456,8 +2487,8 @@ int yaffs_RenameObject(yaffs_Object * ol
-
- existingTarget = yaffs_FindObjectByName(newDir, newName);
- if (existingTarget &&
-- existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-- !list_empty(&existingTarget->variant.directoryVariant.children)) {
-+ existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-+ !ylist_empty(&existingTarget->variant.directoryVariant.children)) {
- /* There is a target that is a non-empty directory, so we fail */
- return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */
- } else if (existingTarget && existingTarget != obj) {
-@@ -2465,7 +2496,7 @@ int yaffs_RenameObject(yaffs_Object * ol
- * but only if it isn't the same object
- */
- yaffs_ChangeObjectName(obj, newDir, newName, force,
-- existingTarget->objectId);
-+ existingTarget->objectId);
- yaffs_UnlinkObject(existingTarget);
- }
-
-@@ -2476,7 +2507,7 @@ int yaffs_RenameObject(yaffs_Object * ol
-
- /*------------------------- Block Management and Page Allocation ----------------*/
-
--static int yaffs_InitialiseBlocks(yaffs_Device * dev)
-+static int yaffs_InitialiseBlocks(yaffs_Device *dev)
- {
- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
-
-@@ -2487,23 +2518,20 @@ static int yaffs_InitialiseBlocks(yaffs_
-
- /* If the first allocation strategy fails, thry the alternate one */
- dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo));
-- if(!dev->blockInfo){
-+ if (!dev->blockInfo) {
- dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo));
- dev->blockInfoAlt = 1;
-- }
-- else
-+ } else
- dev->blockInfoAlt = 0;
-
-- if(dev->blockInfo){
--
-+ if (dev->blockInfo) {
- /* Set up dynamic blockinfo stuff. */
- dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */
- dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks);
-- if(!dev->chunkBits){
-+ if (!dev->chunkBits) {
- dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks);
- dev->chunkBitsAlt = 1;
-- }
-- else
-+ } else
- dev->chunkBitsAlt = 0;
- }
-
-@@ -2514,30 +2542,29 @@ static int yaffs_InitialiseBlocks(yaffs_
- }
-
- return YAFFS_FAIL;
--
- }
-
--static void yaffs_DeinitialiseBlocks(yaffs_Device * dev)
-+static void yaffs_DeinitialiseBlocks(yaffs_Device *dev)
- {
-- if(dev->blockInfoAlt && dev->blockInfo)
-+ if (dev->blockInfoAlt && dev->blockInfo)
- YFREE_ALT(dev->blockInfo);
-- else if(dev->blockInfo)
-+ else if (dev->blockInfo)
- YFREE(dev->blockInfo);
-
- dev->blockInfoAlt = 0;
-
- dev->blockInfo = NULL;
-
-- if(dev->chunkBitsAlt && dev->chunkBits)
-+ if (dev->chunkBitsAlt && dev->chunkBits)
- YFREE_ALT(dev->chunkBits);
-- else if(dev->chunkBits)
-+ else if (dev->chunkBits)
- YFREE(dev->chunkBits);
- dev->chunkBitsAlt = 0;
- dev->chunkBits = NULL;
- }
-
--static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device * dev,
-- yaffs_BlockInfo * bi)
-+static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev,
-+ yaffs_BlockInfo *bi)
- {
- int i;
- __u32 seq;
-@@ -2556,7 +2583,7 @@ static int yaffs_BlockNotDisqualifiedFro
- seq = dev->sequenceNumber;
-
- for (i = dev->internalStartBlock; i <= dev->internalEndBlock;
-- i++) {
-+ i++) {
- b = yaffs_GetBlockInfo(dev, i);
- if (b->blockState == YAFFS_BLOCK_STATE_FULL &&
- (b->pagesInUse - b->softDeletions) <
-@@ -2571,38 +2598,36 @@ static int yaffs_BlockNotDisqualifiedFro
- * discarded pages.
- */
- return (bi->sequenceNumber <= dev->oldestDirtySequence);
--
- }
-
- /* FindDiretiestBlock is used to select the dirtiest block (or close enough)
- * for garbage collection.
- */
-
--static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev,
-- int aggressive)
-+static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev,
-+ int aggressive)
- {
--
- int b = dev->currentDirtyChecker;
-
- int i;
- int iterations;
- int dirtiest = -1;
- int pagesInUse = 0;
-- int prioritised=0;
-+ int prioritised = 0;
- yaffs_BlockInfo *bi;
- int pendingPrioritisedExist = 0;
-
- /* First let's see if we need to grab a prioritised block */
-- if(dev->hasPendingPrioritisedGCs){
-- for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){
-+ if (dev->hasPendingPrioritisedGCs) {
-+ for (i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++) {
-
- bi = yaffs_GetBlockInfo(dev, i);
-- //yaffs_VerifyBlock(dev,bi,i);
-+ /* yaffs_VerifyBlock(dev,bi,i); */
-
-- if(bi->gcPrioritise) {
-+ if (bi->gcPrioritise) {
- pendingPrioritisedExist = 1;
-- if(bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-- yaffs_BlockNotDisqualifiedFromGC(dev, bi)){
-+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
- pagesInUse = (bi->pagesInUse - bi->softDeletions);
- dirtiest = i;
- prioritised = 1;
-@@ -2611,7 +2636,7 @@ static int yaffs_FindBlockForGarbageColl
- }
- }
-
-- if(!pendingPrioritisedExist) /* None found, so we can clear this */
-+ if (!pendingPrioritisedExist) /* None found, so we can clear this */
- dev->hasPendingPrioritisedGCs = 0;
- }
-
-@@ -2623,31 +2648,28 @@ static int yaffs_FindBlockForGarbageColl
-
- dev->nonAggressiveSkip--;
-
-- if (!aggressive && (dev->nonAggressiveSkip > 0)) {
-+ if (!aggressive && (dev->nonAggressiveSkip > 0))
- return -1;
-- }
-
-- if(!prioritised)
-+ if (!prioritised)
- pagesInUse =
-- (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
-+ (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
-
-- if (aggressive) {
-+ if (aggressive)
- iterations =
- dev->internalEndBlock - dev->internalStartBlock + 1;
-- } else {
-+ else {
- iterations =
- dev->internalEndBlock - dev->internalStartBlock + 1;
- iterations = iterations / 16;
-- if (iterations > 200) {
-+ if (iterations > 200)
- iterations = 200;
-- }
- }
-
- for (i = 0; i <= iterations && pagesInUse > 0 && !prioritised; i++) {
- b++;
-- if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
-+ if (b < dev->internalStartBlock || b > dev->internalEndBlock)
- b = dev->internalStartBlock;
-- }
-
- if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
- T(YAFFS_TRACE_ERROR,
-@@ -2657,17 +2679,9 @@ static int yaffs_FindBlockForGarbageColl
-
- bi = yaffs_GetBlockInfo(dev, b);
-
--#if 0
-- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
-- dirtiest = b;
-- pagesInUse = 0;
-- }
-- else
--#endif
--
- if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-- (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
-- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
-+ (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
-+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
- dirtiest = b;
- pagesInUse = (bi->pagesInUse - bi->softDeletions);
- }
-@@ -2678,19 +2692,18 @@ static int yaffs_FindBlockForGarbageColl
- if (dirtiest > 0) {
- T(YAFFS_TRACE_GC,
- (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest,
-- dev->nChunksPerBlock - pagesInUse,prioritised));
-+ dev->nChunksPerBlock - pagesInUse, prioritised));
- }
-
- dev->oldestDirtySequence = 0;
-
-- if (dirtiest > 0) {
-+ if (dirtiest > 0)
- dev->nonAggressiveSkip = 4;
-- }
-
- return dirtiest;
- }
-
--static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo)
-+static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo)
- {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo);
-
-@@ -2752,7 +2765,7 @@ static void yaffs_BlockBecameDirty(yaffs
- }
- }
-
--static int yaffs_FindBlockForAllocation(yaffs_Device * dev)
-+static int yaffs_FindBlockForAllocation(yaffs_Device *dev)
- {
- int i;
-
-@@ -2763,7 +2776,7 @@ static int yaffs_FindBlockForAllocation(
- * Can't get space to gc
- */
- T(YAFFS_TRACE_ERROR,
-- (TSTR("yaffs tragedy: no more eraased blocks" TENDSTR)));
-+ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
-
- return -1;
- }
-@@ -2794,31 +2807,74 @@ static int yaffs_FindBlockForAllocation(
-
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
-- ("yaffs tragedy: no more eraased blocks, but there should have been %d"
-+ ("yaffs tragedy: no more erased blocks, but there should have been %d"
- TENDSTR), dev->nErasedBlocks));
-
- return -1;
- }
-
-
--// Check if there's space to allocate...
--// Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
--static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev)
-+
-+static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev)
-+{
-+ if (!dev->nCheckpointBlocksRequired &&
-+ dev->isYaffs2) {
-+ /* Not a valid value so recalculate */
-+ int nBytes = 0;
-+ int nBlocks;
-+ int devBlocks = (dev->endBlock - dev->startBlock + 1);
-+ int tnodeSize;
-+
-+ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
-+ nBytes += sizeof(yaffs_CheckpointValidity);
-+ nBytes += sizeof(yaffs_CheckpointDevice);
-+ nBytes += devBlocks * sizeof(yaffs_BlockInfo);
-+ nBytes += devBlocks * dev->chunkBitmapStride;
-+ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects);
-+ nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes);
-+ nBytes += sizeof(yaffs_CheckpointValidity);
-+ nBytes += sizeof(__u32); /* checksum*/
-+
-+ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */
-+
-+ nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3;
-+
-+ dev->nCheckpointBlocksRequired = nBlocks;
-+ }
-+
-+ return dev->nCheckpointBlocksRequired;
-+}
-+
-+/*
-+ * Check if there's space to allocate...
-+ * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
-+ */
-+static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev)
- {
- int reservedChunks;
- int reservedBlocks = dev->nReservedBlocks;
- int checkpointBlocks;
-
-- checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
-- if(checkpointBlocks < 0)
-+ if (dev->isYaffs2) {
-+ checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) -
-+ dev->blocksInCheckpoint;
-+ if (checkpointBlocks < 0)
-+ checkpointBlocks = 0;
-+ } else {
- checkpointBlocks = 0;
-+ }
-
- reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock);
-
- return (dev->nFreeChunks > reservedChunks);
- }
-
--static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr)
-+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
-+ yaffs_BlockInfo **blockUsedPtr)
- {
- int retVal;
- yaffs_BlockInfo *bi;
-@@ -2835,7 +2891,7 @@ static int yaffs_AllocateChunk(yaffs_Dev
- }
-
- if (dev->nErasedBlocks < dev->nReservedBlocks
-- && dev->allocationPage == 0) {
-+ && dev->allocationPage == 0) {
- T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
- }
-
-@@ -2844,10 +2900,10 @@ static int yaffs_AllocateChunk(yaffs_Dev
- bi = yaffs_GetBlockInfo(dev, dev->allocationBlock);
-
- retVal = (dev->allocationBlock * dev->nChunksPerBlock) +
-- dev->allocationPage;
-+ dev->allocationPage;
- bi->pagesInUse++;
- yaffs_SetChunkBit(dev, dev->allocationBlock,
-- dev->allocationPage);
-+ dev->allocationPage);
-
- dev->allocationPage++;
-
-@@ -2859,43 +2915,43 @@ static int yaffs_AllocateChunk(yaffs_Dev
- dev->allocationBlock = -1;
- }
-
-- if(blockUsedPtr)
-+ if (blockUsedPtr)
- *blockUsedPtr = bi;
-
- return retVal;
- }
-
- T(YAFFS_TRACE_ERROR,
-- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
-+ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
-
- return -1;
- }
-
--static int yaffs_GetErasedChunks(yaffs_Device * dev)
-+static int yaffs_GetErasedChunks(yaffs_Device *dev)
- {
- int n;
-
- n = dev->nErasedBlocks * dev->nChunksPerBlock;
-
-- if (dev->allocationBlock > 0) {
-+ if (dev->allocationBlock > 0)
- n += (dev->nChunksPerBlock - dev->allocationPage);
-- }
-
- return n;
-
- }
-
--static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block)
-+static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block,
-+ int wholeBlock)
- {
- int oldChunk;
- int newChunk;
-- int chunkInBlock;
- int markNAND;
- int retVal = YAFFS_OK;
- int cleanups = 0;
- int i;
- int isCheckpointBlock;
- int matchingChunk;
-+ int maxCopies;
-
- int chunksBefore = yaffs_GetErasedChunks(dev);
- int chunksAfter;
-@@ -2911,8 +2967,11 @@ static int yaffs_GarbageCollectBlock(yaf
- bi->blockState = YAFFS_BLOCK_STATE_COLLECTING;
-
- T(YAFFS_TRACE_TRACING,
-- (TSTR("Collecting block %d, in use %d, shrink %d, " TENDSTR), block,
-- bi->pagesInUse, bi->hasShrinkHeader));
-+ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR),
-+ block,
-+ bi->pagesInUse,
-+ bi->hasShrinkHeader,
-+ wholeBlock));
-
- /*yaffs_VerifyFreeChunks(dev); */
-
-@@ -2926,26 +2985,33 @@ static int yaffs_GarbageCollectBlock(yaf
- dev->isDoingGC = 1;
-
- if (isCheckpointBlock ||
-- !yaffs_StillSomeChunkBits(dev, block)) {
-+ !yaffs_StillSomeChunkBits(dev, block)) {
- T(YAFFS_TRACE_TRACING,
-- (TSTR
-- ("Collecting block %d that has no chunks in use" TENDSTR),
-- block));
-+ (TSTR
-+ ("Collecting block %d that has no chunks in use" TENDSTR),
-+ block));
- yaffs_BlockBecameDirty(dev, block);
- } else {
-
- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
-
-- yaffs_VerifyBlock(dev,bi,block);
-+ yaffs_VerifyBlock(dev, bi, block);
-
-- for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock;
-- chunkInBlock < dev->nChunksPerBlock
-- && yaffs_StillSomeChunkBits(dev, block);
-- chunkInBlock++, oldChunk++) {
-- if (yaffs_CheckChunkBit(dev, block, chunkInBlock)) {
-+ maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10;
-+ oldChunk = block * dev->nChunksPerBlock + dev->gcChunk;
-+
-+ for (/* init already done */;
-+ retVal == YAFFS_OK &&
-+ dev->gcChunk < dev->nChunksPerBlock &&
-+ (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) &&
-+ maxCopies > 0;
-+ dev->gcChunk++, oldChunk++) {
-+ if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) {
-
- /* This page is in use and might need to be copied off */
-
-+ maxCopies--;
-+
- markNAND = 1;
-
- yaffs_InitialiseTags(&tags);
-@@ -2959,22 +3025,22 @@ static int yaffs_GarbageCollectBlock(yaf
-
- T(YAFFS_TRACE_GC_DETAIL,
- (TSTR
-- ("Collecting page %d, %d %d %d " TENDSTR),
-- chunkInBlock, tags.objectId, tags.chunkId,
-+ ("Collecting chunk in block %d, %d %d %d " TENDSTR),
-+ dev->gcChunk, tags.objectId, tags.chunkId,
- tags.byteCount));
-
-- if(object && !yaffs_SkipVerification(dev)){
-- if(tags.chunkId == 0)
-- matchingChunk = object->chunkId;
-- else if(object->softDeleted)
-+ if (object && !yaffs_SkipVerification(dev)) {
-+ if (tags.chunkId == 0)
-+ matchingChunk = object->hdrChunk;
-+ else if (object->softDeleted)
- matchingChunk = oldChunk; /* Defeat the test */
- else
-- matchingChunk = yaffs_FindChunkInFile(object,tags.chunkId,NULL);
-+ matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL);
-
-- if(oldChunk != matchingChunk)
-+ if (oldChunk != matchingChunk)
- T(YAFFS_TRACE_ERROR,
- (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR),
-- oldChunk,matchingChunk,tags.objectId, tags.chunkId));
-+ oldChunk, matchingChunk, tags.objectId, tags.chunkId));
-
- }
-
-@@ -2986,9 +3052,11 @@ static int yaffs_GarbageCollectBlock(yaf
- tags.objectId, tags.chunkId, tags.byteCount));
- }
-
-- if (object && object->deleted
-- && tags.chunkId != 0) {
-- /* Data chunk in a deleted file, throw it away
-+ if (object &&
-+ object->deleted &&
-+ object->softDeleted &&
-+ tags.chunkId != 0) {
-+ /* Data chunk in a soft deleted file, throw it away
- * It's a soft deleted data chunk,
- * No need to copy this, just forget about it and
- * fix up the object.
-@@ -3003,13 +3071,12 @@ static int yaffs_GarbageCollectBlock(yaf
- cleanups++;
- }
- markNAND = 0;
-- } else if (0
-- /* Todo object && object->deleted && object->nDataChunks == 0 */
-- ) {
-+ } else if (0) {
-+ /* Todo object && object->deleted && object->nDataChunks == 0 */
- /* Deleted object header with no data chunks.
- * Can be discarded and the file deleted.
- */
-- object->chunkId = 0;
-+ object->hdrChunk = 0;
- yaffs_FreeTnode(object->myDev,
- object->variant.
- fileVariant.top);
-@@ -3031,17 +3098,14 @@ static int yaffs_GarbageCollectBlock(yaf
- * We need to nuke the shrinkheader flags first
- * We no longer want the shrinkHeader flag since its work is done
- * and if it is left in place it will mess up scanning.
-- * Also, clear out any shadowing stuff
- */
-
- yaffs_ObjectHeader *oh;
- oh = (yaffs_ObjectHeader *)buffer;
- oh->isShrink = 0;
-- oh->shadowsObject = -1;
-- tags.extraShadows = 0;
- tags.extraIsShrinkHeader = 0;
-
-- yaffs_VerifyObjectHeader(object,oh,&tags,1);
-+ yaffs_VerifyObjectHeader(object, oh, &tags, 1);
- }
-
- newChunk =
-@@ -3055,7 +3119,7 @@ static int yaffs_GarbageCollectBlock(yaf
-
- if (tags.chunkId == 0) {
- /* It's a header */
-- object->chunkId = newChunk;
-+ object->hdrChunk = newChunk;
- object->serial = tags.serialNumber;
- } else {
- /* It's a data chunk */
-@@ -3067,7 +3131,8 @@ static int yaffs_GarbageCollectBlock(yaf
- }
- }
-
-- yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
-+ if (retVal == YAFFS_OK)
-+ yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
-
- }
- }
-@@ -3098,18 +3163,25 @@ static int yaffs_GarbageCollectBlock(yaf
-
- }
-
-- yaffs_VerifyCollectedBlock(dev,bi,block);
-+ yaffs_VerifyCollectedBlock(dev, bi, block);
-
-- if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) {
-+ chunksAfter = yaffs_GetErasedChunks(dev);
-+ if (chunksBefore >= chunksAfter) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("gc did not increase free chunks before %d after %d"
- TENDSTR), chunksBefore, chunksAfter));
- }
-
-+ /* If the gc completed then clear the current gcBlock so that we find another. */
-+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) {
-+ dev->gcBlock = -1;
-+ dev->gcChunk = 0;
-+ }
-+
- dev->isDoingGC = 0;
-
-- return YAFFS_OK;
-+ return retVal;
- }
-
- /* New garbage collector
-@@ -3121,7 +3193,7 @@ static int yaffs_GarbageCollectBlock(yaf
- * The idea is to help clear out space in a more spread-out manner.
- * Dunno if it really does anything useful.
- */
--static int yaffs_CheckGarbageCollection(yaffs_Device * dev)
-+static int yaffs_CheckGarbageCollection(yaffs_Device *dev)
- {
- int block;
- int aggressive;
-@@ -3142,8 +3214,8 @@ static int yaffs_CheckGarbageCollection(
- do {
- maxTries++;
-
-- checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint);
-- if(checkpointBlockAdjust < 0)
-+ checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
-+ if (checkpointBlockAdjust < 0)
- checkpointBlockAdjust = 0;
-
- if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) {
-@@ -3154,20 +3226,24 @@ static int yaffs_CheckGarbageCollection(
- aggressive = 0;
- }
-
-- block = yaffs_FindBlockForGarbageCollection(dev, aggressive);
-+ if (dev->gcBlock <= 0) {
-+ dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive);
-+ dev->gcChunk = 0;
-+ }
-+
-+ block = dev->gcBlock;
-
- if (block > 0) {
- dev->garbageCollections++;
-- if (!aggressive) {
-+ if (!aggressive)
- dev->passiveGarbageCollections++;
-- }
-
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
- dev->nErasedBlocks, aggressive));
-
-- gcOk = yaffs_GarbageCollectBlock(dev, block);
-+ gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive);
- }
-
- if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) {
-@@ -3176,15 +3252,16 @@ static int yaffs_CheckGarbageCollection(
- ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d"
- TENDSTR), dev->nErasedBlocks, maxTries, block));
- }
-- } while ((dev->nErasedBlocks < dev->nReservedBlocks) && (block > 0)
-- && (maxTries < 2));
-+ } while ((dev->nErasedBlocks < dev->nReservedBlocks) &&
-+ (block > 0) &&
-+ (maxTries < 2));
-
- return aggressive ? gcOk : YAFFS_OK;
- }
-
- /*------------------------- TAGS --------------------------------*/
-
--static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
-+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
- int chunkInObject)
- {
- return (tags->chunkId == chunkInObject &&
-@@ -3195,8 +3272,8 @@ static int yaffs_TagsMatch(const yaffs_E
-
- /*-------------------- Data file manipulation -----------------*/
-
--static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
-- yaffs_ExtendedTags * tags)
-+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags)
- {
- /*Get the Tnode, then get the level 0 offset chunk offset */
- yaffs_Tnode *tn;
-@@ -3214,7 +3291,7 @@ static int yaffs_FindChunkInFile(yaffs_O
- tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
-
- if (tn) {
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-
- retVal =
- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
-@@ -3223,8 +3300,8 @@ static int yaffs_FindChunkInFile(yaffs_O
- return retVal;
- }
-
--static int yaffs_FindAndDeleteChunkInFile(yaffs_Object * in, int chunkInInode,
-- yaffs_ExtendedTags * tags)
-+static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags)
- {
- /* Get the Tnode, then get the level 0 offset chunk offset */
- yaffs_Tnode *tn;
-@@ -3243,29 +3320,23 @@ static int yaffs_FindAndDeleteChunkInFil
-
- if (tn) {
-
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-
- retVal =
- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
- chunkInInode);
-
- /* Delete the entry in the filestructure (if found) */
-- if (retVal != -1) {
-- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,0);
-- }
-- } else {
-- /*T(("No level 0 found for %d\n", chunkInInode)); */
-+ if (retVal != -1)
-+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0);
- }
-
-- if (retVal == -1) {
-- /* T(("Could not find %d to delete\n",chunkInInode)); */
-- }
- return retVal;
- }
-
- #ifdef YAFFS_PARANOID
-
--static int yaffs_CheckFileSanity(yaffs_Object * in)
-+static int yaffs_CheckFileSanity(yaffs_Object *in)
- {
- int chunk;
- int nChunks;
-@@ -3278,10 +3349,8 @@ static int yaffs_CheckFileSanity(yaffs_O
- int theChunk;
- int chunkDeleted;
-
-- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
-- /* T(("Object not a file\n")); */
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
- return YAFFS_FAIL;
-- }
-
- objId = in->objectId;
- fSize = in->variant.fileVariant.fileSize;
-@@ -3294,7 +3363,7 @@ static int yaffs_CheckFileSanity(yaffs_O
-
- if (tn) {
-
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunk);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk);
-
- if (yaffs_CheckChunkBits
- (dev, theChunk / dev->nChunksPerBlock,
-@@ -3323,7 +3392,7 @@ static int yaffs_CheckFileSanity(yaffs_O
-
- #endif
-
--static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
-+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
- int chunkInNAND, int inScan)
- {
- /* NB inScan is zero unless scanning.
-@@ -3358,11 +3427,10 @@ static int yaffs_PutChunkIntoFile(yaffs_
- &in->variant.fileVariant,
- chunkInInode,
- NULL);
-- if (!tn) {
-+ if (!tn)
- return YAFFS_FAIL;
-- }
-
-- existingChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
-+ existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-
- if (inScan != 0) {
- /* If we're scanning then we need to test for duplicates
-@@ -3374,7 +3442,7 @@ static int yaffs_PutChunkIntoFile(yaffs_
- * Update: For backward scanning we don't need to re-read tags so this is quite cheap.
- */
-
-- if (existingChunk != 0) {
-+ if (existingChunk > 0) {
- /* NB Right now existing chunk will not be real chunkId if the device >= 32MB
- * thus we have to do a FindChunkInFile to get the real chunk id.
- *
-@@ -3411,8 +3479,10 @@ static int yaffs_PutChunkIntoFile(yaffs_
- * not be loaded during a scan
- */
-
-- newSerial = newTags.serialNumber;
-- existingSerial = existingTags.serialNumber;
-+ if (inScan > 0) {
-+ newSerial = newTags.serialNumber;
-+ existingSerial = existingTags.serialNumber;
-+ }
-
- if ((inScan > 0) &&
- (in->myDev->isYaffs2 ||
-@@ -3437,24 +3507,23 @@ static int yaffs_PutChunkIntoFile(yaffs_
-
- }
-
-- if (existingChunk == 0) {
-+ if (existingChunk == 0)
- in->nDataChunks++;
-- }
-
-- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,chunkInNAND);
-+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND);
-
- return YAFFS_OK;
- }
-
--static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode,
-- __u8 * buffer)
-+static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode,
-+ __u8 *buffer)
- {
- int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL);
-
-- if (chunkInNAND >= 0) {
-+ if (chunkInNAND >= 0)
- return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND,
-- buffer,NULL);
-- } else {
-+ buffer, NULL);
-+ else {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not found zero instead" TENDSTR),
- chunkInNAND));
-@@ -3465,7 +3534,7 @@ static int yaffs_ReadChunkDataFromObject
-
- }
-
--void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn)
-+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn)
- {
- int block;
- int page;
-@@ -3475,16 +3544,15 @@ void yaffs_DeleteChunk(yaffs_Device * de
- if (chunkId <= 0)
- return;
-
--
- dev->nDeletions++;
- block = chunkId / dev->nChunksPerBlock;
- page = chunkId % dev->nChunksPerBlock;
-
-
-- if(!yaffs_CheckChunkBit(dev,block,page))
-+ if (!yaffs_CheckChunkBit(dev, block, page))
- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Deleting invalid chunk %d"TENDSTR),
-- chunkId));
-+ (TSTR("Deleting invalid chunk %d"TENDSTR),
-+ chunkId));
-
- bi = yaffs_GetBlockInfo(dev, block);
-
-@@ -3524,14 +3592,12 @@ void yaffs_DeleteChunk(yaffs_Device * de
- yaffs_BlockBecameDirty(dev, block);
- }
-
-- } else {
-- /* T(("Bad news deleting chunk %d\n",chunkId)); */
- }
-
- }
-
--static int yaffs_WriteChunkDataToObject(yaffs_Object * in, int chunkInInode,
-- const __u8 * buffer, int nBytes,
-+static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode,
-+ const __u8 *buffer, int nBytes,
- int useReserve)
- {
- /* Find old chunk Need to do this to get serial number
-@@ -3561,6 +3627,12 @@ static int yaffs_WriteChunkDataToObject(
- (prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1;
- newTags.byteCount = nBytes;
-
-+ if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes));
-+ YBUG();
-+ }
-+
- newChunkId =
- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
- useReserve);
-@@ -3568,11 +3640,9 @@ static int yaffs_WriteChunkDataToObject(
- if (newChunkId >= 0) {
- yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0);
-
-- if (prevChunkId >= 0) {
-+ if (prevChunkId >= 0)
- yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__);
-
-- }
--
- yaffs_CheckFileSanity(in);
- }
- return newChunkId;
-@@ -3582,7 +3652,7 @@ static int yaffs_WriteChunkDataToObject(
- /* UpdateObjectHeader updates the header on NAND for an object.
- * If name is not NULL, then that new name is used.
- */
--int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force,
-+int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
- int isShrink, int shadows)
- {
-
-@@ -3603,9 +3673,12 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
-
- yaffs_ObjectHeader *oh = NULL;
-
-- yaffs_strcpy(oldName,"silly old name");
-+ yaffs_strcpy(oldName, _Y("silly old name"));
-
-- if (!in->fake || force) {
-+
-+ if (!in->fake ||
-+ in == dev->rootDir || /* The rootDir should also be saved */
-+ force) {
-
- yaffs_CheckGarbageCollection(dev);
- yaffs_CheckObjectDetailsLoaded(in);
-@@ -3613,13 +3686,13 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
- buffer = yaffs_GetTempBuffer(in->myDev, __LINE__);
- oh = (yaffs_ObjectHeader *) buffer;
-
-- prevChunkId = in->chunkId;
-+ prevChunkId = in->hdrChunk;
-
-- if (prevChunkId >= 0) {
-+ if (prevChunkId > 0) {
- result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId,
- buffer, &oldTags);
-
-- yaffs_VerifyObjectHeader(in,oh,&oldTags,0);
-+ yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
-
- memcpy(oldName, oh->name, sizeof(oh->name));
- }
-@@ -3628,7 +3701,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
-
- oh->type = in->variantType;
- oh->yst_mode = in->yst_mode;
-- oh->shadowsObject = shadows;
-+ oh->shadowsObject = oh->inbandShadowsObject = shadows;
-
- #ifdef CONFIG_YAFFS_WINCE
- oh->win_atime[0] = in->win_atime[0];
-@@ -3645,20 +3718,18 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
- oh->yst_ctime = in->yst_ctime;
- oh->yst_rdev = in->yst_rdev;
- #endif
-- if (in->parent) {
-+ if (in->parent)
- oh->parentObjectId = in->parent->objectId;
-- } else {
-+ else
- oh->parentObjectId = 0;
-- }
-
- if (name && *name) {
- memset(oh->name, 0, sizeof(oh->name));
- yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH);
-- } else if (prevChunkId>=0) {
-+ } else if (prevChunkId >= 0)
- memcpy(oh->name, oldName, sizeof(oh->name));
-- } else {
-+ else
- memset(oh->name, 0, sizeof(oh->name));
-- }
-
- oh->isShrink = isShrink;
-
-@@ -3708,7 +3779,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
- newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0;
- newTags.extraObjectType = in->variantType;
-
-- yaffs_VerifyObjectHeader(in,oh,&newTags,1);
-+ yaffs_VerifyObjectHeader(in, oh, &newTags, 1);
-
- /* Create new chunk in NAND */
- newChunkId =
-@@ -3717,20 +3788,20 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
-
- if (newChunkId >= 0) {
-
-- in->chunkId = newChunkId;
-+ in->hdrChunk = newChunkId;
-
- if (prevChunkId >= 0) {
- yaffs_DeleteChunk(dev, prevChunkId, 1,
- __LINE__);
- }
-
-- if(!yaffs_ObjectHasCachedWriteData(in))
-+ if (!yaffs_ObjectHasCachedWriteData(in))
- in->dirty = 0;
-
- /* If this was a shrink, then mark the block that the chunk lives on */
- if (isShrink) {
- bi = yaffs_GetBlockInfo(in->myDev,
-- newChunkId /in->myDev-> nChunksPerBlock);
-+ newChunkId / in->myDev->nChunksPerBlock);
- bi->hasShrinkHeader = 1;
- }
-
-@@ -3766,7 +3837,7 @@ static int yaffs_ObjectHasCachedWriteDat
- yaffs_ChunkCache *cache;
- int nCaches = obj->myDev->nShortOpCaches;
-
-- for(i = 0; i < nCaches; i++){
-+ for (i = 0; i < nCaches; i++) {
- cache = &dev->srCache[i];
- if (cache->object == obj &&
- cache->dirty)
-@@ -3777,7 +3848,7 @@ static int yaffs_ObjectHasCachedWriteDat
- }
-
-
--static void yaffs_FlushFilesChunkCache(yaffs_Object * obj)
-+static void yaffs_FlushFilesChunkCache(yaffs_Object *obj)
- {
- yaffs_Device *dev = obj->myDev;
- int lowest = -99; /* Stop compiler whining. */
-@@ -3844,16 +3915,16 @@ void yaffs_FlushEntireDeviceCache(yaffs_
- */
- do {
- obj = NULL;
-- for( i = 0; i < nCaches && !obj; i++) {
-+ for (i = 0; i < nCaches && !obj; i++) {
- if (dev->srCache[i].object &&
- dev->srCache[i].dirty)
- obj = dev->srCache[i].object;
-
- }
-- if(obj)
-+ if (obj)
- yaffs_FlushFilesChunkCache(obj);
-
-- } while(obj);
-+ } while (obj);
-
- }
-
-@@ -3863,41 +3934,21 @@ void yaffs_FlushEntireDeviceCache(yaffs_
- * Then look for the least recently used non-dirty one.
- * Then look for the least recently used dirty one...., flush and look again.
- */
--static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device * dev)
-+static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev)
- {
- int i;
-- int usage;
-- int theOne;
-
- if (dev->nShortOpCaches > 0) {
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (!dev->srCache[i].object)
- return &dev->srCache[i];
- }
-+ }
-
-- return NULL;
-+ return NULL;
-+}
-
-- theOne = -1;
-- usage = 0; /* just to stop the compiler grizzling */
--
-- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if (!dev->srCache[i].dirty &&
-- ((dev->srCache[i].lastUse < usage && theOne >= 0) ||
-- theOne < 0)) {
-- usage = dev->srCache[i].lastUse;
-- theOne = i;
-- }
-- }
--
--
-- return theOne >= 0 ? &dev->srCache[theOne] : NULL;
-- } else {
-- return NULL;
-- }
--
--}
--
--static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device * dev)
-+static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev)
- {
- yaffs_ChunkCache *cache;
- yaffs_Object *theObj;
-@@ -3927,8 +3978,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (dev->srCache[i].object &&
- !dev->srCache[i].locked &&
-- (dev->srCache[i].lastUse < usage || !cache))
-- {
-+ (dev->srCache[i].lastUse < usage || !cache)) {
- usage = dev->srCache[i].lastUse;
- theObj = dev->srCache[i].object;
- cache = &dev->srCache[i];
-@@ -3950,7 +4000,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk
- }
-
- /* Find a cached chunk */
--static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object * obj,
-+static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj,
- int chunkId)
- {
- yaffs_Device *dev = obj->myDev;
-@@ -3969,7 +4019,7 @@ static yaffs_ChunkCache *yaffs_FindChunk
- }
-
- /* Mark the chunk for the least recently used algorithym */
--static void yaffs_UseChunkCache(yaffs_Device * dev, yaffs_ChunkCache * cache,
-+static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
- int isAWrite)
- {
-
-@@ -3977,9 +4027,9 @@ static void yaffs_UseChunkCache(yaffs_De
- if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
- /* Reset the cache usages */
- int i;
-- for (i = 1; i < dev->nShortOpCaches; i++) {
-+ for (i = 1; i < dev->nShortOpCaches; i++)
- dev->srCache[i].lastUse = 0;
-- }
-+
- dev->srLastUse = 0;
- }
-
-@@ -3987,9 +4037,8 @@ static void yaffs_UseChunkCache(yaffs_De
-
- cache->lastUse = dev->srLastUse;
-
-- if (isAWrite) {
-+ if (isAWrite)
- cache->dirty = 1;
-- }
- }
- }
-
-@@ -3997,21 +4046,20 @@ static void yaffs_UseChunkCache(yaffs_De
- * Do this when a whole page gets written,
- * ie the short cache for this page is no longer valid.
- */
--static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId)
-+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId)
- {
- if (object->myDev->nShortOpCaches > 0) {
- yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
-
-- if (cache) {
-+ if (cache)
- cache->object = NULL;
-- }
- }
- }
-
- /* Invalidate all the cache pages associated with this object
- * Do this whenever ther file is deleted or resized.
- */
--static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in)
-+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in)
- {
- int i;
- yaffs_Device *dev = in->myDev;
-@@ -4019,9 +4067,8 @@ static void yaffs_InvalidateWholeChunkCa
- if (dev->nShortOpCaches > 0) {
- /* Invalidate it. */
- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if (dev->srCache[i].object == in) {
-+ if (dev->srCache[i].object == in)
- dev->srCache[i].object = NULL;
-- }
- }
- }
- }
-@@ -4029,18 +4076,18 @@ static void yaffs_InvalidateWholeChunkCa
- /*--------------------- Checkpointing --------------------*/
-
-
--static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head)
-+static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head)
- {
- yaffs_CheckpointValidity cp;
-
-- memset(&cp,0,sizeof(cp));
-+ memset(&cp, 0, sizeof(cp));
-
- cp.structType = sizeof(cp);
- cp.magic = YAFFS_MAGIC;
- cp.version = YAFFS_CHECKPOINT_VERSION;
- cp.head = (head) ? 1 : 0;
-
-- return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))?
-+ return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
- 1 : 0;
- }
-
-@@ -4049,9 +4096,9 @@ static int yaffs_ReadCheckpointValidityM
- yaffs_CheckpointValidity cp;
- int ok;
-
-- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-
-- if(ok)
-+ if (ok)
- ok = (cp.structType == sizeof(cp)) &&
- (cp.magic == YAFFS_MAGIC) &&
- (cp.version == YAFFS_CHECKPOINT_VERSION) &&
-@@ -4100,21 +4147,21 @@ static int yaffs_WriteCheckpointDevice(y
- int ok;
-
- /* Write device runtime values*/
-- yaffs_DeviceToCheckpointDevice(&cp,dev);
-+ yaffs_DeviceToCheckpointDevice(&cp, dev);
- cp.structType = sizeof(cp);
-
-- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-
- /* Write block info */
-- if(ok) {
-+ if (ok) {
- nBytes = nBlocks * sizeof(yaffs_BlockInfo);
-- ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes);
- }
-
- /* Write chunk bits */
-- if(ok) {
-+ if (ok) {
- nBytes = nBlocks * dev->chunkBitmapStride;
-- ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes);
- }
- return ok ? 1 : 0;
-
-@@ -4128,25 +4175,25 @@ static int yaffs_ReadCheckpointDevice(ya
-
- int ok;
-
-- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
-- if(!ok)
-+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ if (!ok)
- return 0;
-
-- if(cp.structType != sizeof(cp))
-+ if (cp.structType != sizeof(cp))
- return 0;
-
-
-- yaffs_CheckpointDeviceToDevice(dev,&cp);
-+ yaffs_CheckpointDeviceToDevice(dev, &cp);
-
- nBytes = nBlocks * sizeof(yaffs_BlockInfo);
-
-- ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes);
-
-- if(!ok)
-+ if (!ok)
- return 0;
- nBytes = nBlocks * dev->chunkBitmapStride;
-
-- ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes);
-
- return ok ? 1 : 0;
- }
-@@ -4157,7 +4204,7 @@ static void yaffs_ObjectToCheckpointObje
-
- cp->objectId = obj->objectId;
- cp->parentId = (obj->parent) ? obj->parent->objectId : 0;
-- cp->chunkId = obj->chunkId;
-+ cp->hdrChunk = obj->hdrChunk;
- cp->variantType = obj->variantType;
- cp->deleted = obj->deleted;
- cp->softDeleted = obj->softDeleted;
-@@ -4168,20 +4215,28 @@ static void yaffs_ObjectToCheckpointObje
- cp->serial = obj->serial;
- cp->nDataChunks = obj->nDataChunks;
-
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize;
-- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
- cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId;
- }
-
--static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointObject *cp)
-+static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp)
- {
-
- yaffs_Object *parent;
-
-+ if (obj->variantType != cp->variantType) {
-+ T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d "
-+ TCONT("chunk %d does not match existing object type %d")
-+ TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk,
-+ obj->variantType));
-+ return 0;
-+ }
-+
- obj->objectId = cp->objectId;
-
-- if(cp->parentId)
-+ if (cp->parentId)
- parent = yaffs_FindOrCreateObjectByNumber(
- obj->myDev,
- cp->parentId,
-@@ -4189,10 +4244,19 @@ static void yaffs_CheckpointObjectToObje
- else
- parent = NULL;
-
-- if(parent)
-+ if (parent) {
-+ if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d"
-+ TCONT(" chunk %d Parent type, %d, not directory")
-+ TENDSTR),
-+ cp->objectId, cp->parentId, cp->variantType,
-+ cp->hdrChunk, parent->variantType));
-+ return 0;
-+ }
- yaffs_AddObjectToDirectory(parent, obj);
-+ }
-
-- obj->chunkId = cp->chunkId;
-+ obj->hdrChunk = cp->hdrChunk;
- obj->variantType = cp->variantType;
- obj->deleted = cp->deleted;
- obj->softDeleted = cp->softDeleted;
-@@ -4203,29 +4267,34 @@ static void yaffs_CheckpointObjectToObje
- obj->serial = cp->serial;
- obj->nDataChunks = cp->nDataChunks;
-
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId;
-- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
- obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId;
-
-- if(obj->objectId >= YAFFS_NOBJECT_BUCKETS)
-+ if (obj->hdrChunk > 0)
- obj->lazyLoaded = 1;
-+ return 1;
- }
-
-
-
--static int yaffs_CheckpointTnodeWorker(yaffs_Object * in, yaffs_Tnode * tn,
-- __u32 level, int chunkOffset)
-+static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
- {
- int i;
- yaffs_Device *dev = in->myDev;
- int ok = 1;
-- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
-
- if (tn) {
- if (level > 0) {
-
-- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
-+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
- if (tn->internal[i]) {
- ok = yaffs_CheckpointTnodeWorker(in,
- tn->internal[i],
-@@ -4235,10 +4304,9 @@ static int yaffs_CheckpointTnodeWorker(y
- }
- } else if (level == 0) {
- __u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS;
-- /* printf("write tnode at %d\n",baseOffset); */
-- ok = (yaffs_CheckpointWrite(dev,&baseOffset,sizeof(baseOffset)) == sizeof(baseOffset));
-- if(ok)
-- ok = (yaffs_CheckpointWrite(dev,tn,nTnodeBytes) == nTnodeBytes);
-+ ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
-+ if (ok)
-+ ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize);
- }
- }
-
-@@ -4251,13 +4319,13 @@ static int yaffs_WriteCheckpointTnodes(y
- __u32 endMarker = ~0;
- int ok = 1;
-
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
- ok = yaffs_CheckpointTnodeWorker(obj,
- obj->variant.fileVariant.top,
- obj->variant.fileVariant.topLevel,
- 0);
-- if(ok)
-- ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) ==
-+ if (ok)
-+ ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) ==
- sizeof(endMarker));
- }
-
-@@ -4272,38 +4340,38 @@ static int yaffs_ReadCheckpointTnodes(ya
- yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant;
- yaffs_Tnode *tn;
- int nread = 0;
-+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
-- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-
-- while(ok && (~baseChunk)){
-+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
-+
-+ while (ok && (~baseChunk)) {
- nread++;
- /* Read level 0 tnode */
-
-
-- /* printf("read tnode at %d\n",baseChunk); */
- tn = yaffs_GetTnodeRaw(dev);
-- if(tn)
-- ok = (yaffs_CheckpointRead(dev,tn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8) ==
-- (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ if (tn)
-+ ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize);
- else
- ok = 0;
-
-- if(tn && ok){
-+ if (tn && ok)
- ok = yaffs_AddOrFindLevel0Tnode(dev,
-- fileStructPtr,
-- baseChunk,
-- tn) ? 1 : 0;
-+ fileStructPtr,
-+ baseChunk,
-+ tn) ? 1 : 0;
-
-- }
--
-- if(ok)
-- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
-+ if (ok)
-+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
-
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(
-+ T(YAFFS_TRACE_CHECKPOINT, (
- TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR),
-- nread,baseChunk,ok));
-+ nread, baseChunk, ok));
-
- return ok ? 1 : 0;
- }
-@@ -4315,41 +4383,40 @@ static int yaffs_WriteCheckpointObjects(
- yaffs_CheckpointObject cp;
- int i;
- int ok = 1;
-- struct list_head *lh;
-+ struct ylist_head *lh;
-
-
- /* Iterate through the objects in each hash entry,
- * dumping them to the checkpointing stream.
- */
-
-- for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){
-- list_for_each(lh, &dev->objectBucket[i].list) {
-+ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each(lh, &dev->objectBucket[i].list) {
- if (lh) {
-- obj = list_entry(lh, yaffs_Object, hashLink);
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
- if (!obj->deferedFree) {
-- yaffs_ObjectToCheckpointObject(&cp,obj);
-+ yaffs_ObjectToCheckpointObject(&cp, obj);
- cp.structType = sizeof(cp);
-
-- T(YAFFS_TRACE_CHECKPOINT,(
-+ T(YAFFS_TRACE_CHECKPOINT, (
- TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR),
-- cp.objectId,cp.parentId,cp.variantType,cp.chunkId,(unsigned) obj));
-+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj));
-
-- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-
-- if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){
-+ if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- ok = yaffs_WriteCheckpointTnodes(obj);
-- }
- }
- }
- }
-- }
-+ }
-
-- /* Dump end of list */
-- memset(&cp,0xFF,sizeof(yaffs_CheckpointObject));
-+ /* Dump end of list */
-+ memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject));
- cp.structType = sizeof(cp);
-
-- if(ok)
-- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ if (ok)
-+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-
- return ok ? 1 : 0;
- }
-@@ -4362,38 +4429,39 @@ static int yaffs_ReadCheckpointObjects(y
- int done = 0;
- yaffs_Object *hardList = NULL;
-
-- while(ok && !done) {
-- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
-- if(cp.structType != sizeof(cp)) {
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("struct size %d instead of %d ok %d"TENDSTR),
-- cp.structType,sizeof(cp),ok));
-+ while (ok && !done) {
-+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ if (cp.structType != sizeof(cp)) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR),
-+ cp.structType, sizeof(cp), ok));
- ok = 0;
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
-- cp.objectId,cp.parentId,cp.variantType,cp.chunkId));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
-+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk));
-
-- if(ok && cp.objectId == ~0)
-+ if (ok && cp.objectId == ~0)
- done = 1;
-- else if(ok){
-- obj = yaffs_FindOrCreateObjectByNumber(dev,cp.objectId, cp.variantType);
-- if(obj) {
-- yaffs_CheckpointObjectToObject(obj,&cp);
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
-+ else if (ok) {
-+ obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType);
-+ if (obj) {
-+ ok = yaffs_CheckpointObjectToObject(obj, &cp);
-+ if (!ok)
-+ break;
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
- ok = yaffs_ReadCheckpointTnodes(obj);
-- } else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
-+ } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- obj->hardLinks.next =
-- (struct list_head *)
-- hardList;
-+ (struct ylist_head *) hardList;
- hardList = obj;
- }
--
-- }
-+ } else
-+ ok = 0;
- }
- }
-
-- if(ok)
-- yaffs_HardlinkFixup(dev,hardList);
-+ if (ok)
-+ yaffs_HardlinkFixup(dev, hardList);
-
- return ok ? 1 : 0;
- }
-@@ -4403,11 +4471,11 @@ static int yaffs_WriteCheckpointSum(yaff
- __u32 checkpointSum;
- int ok;
-
-- yaffs_GetCheckpointSum(dev,&checkpointSum);
-+ yaffs_GetCheckpointSum(dev, &checkpointSum);
-
-- ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum));
-+ ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
-
-- if(!ok)
-+ if (!ok)
- return 0;
-
- return 1;
-@@ -4419,14 +4487,14 @@ static int yaffs_ReadCheckpointSum(yaffs
- __u32 checkpointSum1;
- int ok;
-
-- yaffs_GetCheckpointSum(dev,&checkpointSum0);
-+ yaffs_GetCheckpointSum(dev, &checkpointSum0);
-
-- ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1));
-+ ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
-
-- if(!ok)
-+ if (!ok)
- return 0;
-
-- if(checkpointSum0 != checkpointSum1)
-+ if (checkpointSum0 != checkpointSum1)
- return 0;
-
- return 1;
-@@ -4435,46 +4503,43 @@ static int yaffs_ReadCheckpointSum(yaffs
-
- static int yaffs_WriteCheckpointData(yaffs_Device *dev)
- {
--
- int ok = 1;
-
-- if(dev->skipCheckpointWrite || !dev->isYaffs2){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR)));
-+ if (dev->skipCheckpointWrite || !dev->isYaffs2) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
- ok = 0;
- }
-
-- if(ok)
-- ok = yaffs_CheckpointOpen(dev,1);
-+ if (ok)
-+ ok = yaffs_CheckpointOpen(dev, 1);
-
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
-- ok = yaffs_WriteCheckpointValidityMarker(dev,1);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
-+ ok = yaffs_WriteCheckpointValidityMarker(dev, 1);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint device" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR)));
- ok = yaffs_WriteCheckpointDevice(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint objects" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR)));
- ok = yaffs_WriteCheckpointObjects(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
-- ok = yaffs_WriteCheckpointValidityMarker(dev,0);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
-+ ok = yaffs_WriteCheckpointValidityMarker(dev, 0);
- }
-
-- if(ok){
-+ if (ok)
- ok = yaffs_WriteCheckpointSum(dev);
-- }
--
-
-- if(!yaffs_CheckpointClose(dev))
-- ok = 0;
-+ if (!yaffs_CheckpointClose(dev))
-+ ok = 0;
-
-- if(ok)
-- dev->isCheckpointed = 1;
-- else
-- dev->isCheckpointed = 0;
-+ if (ok)
-+ dev->isCheckpointed = 1;
-+ else
-+ dev->isCheckpointed = 0;
-
- return dev->isCheckpointed;
- }
-@@ -4483,43 +4548,43 @@ static int yaffs_ReadCheckpointData(yaff
- {
- int ok = 1;
-
-- if(dev->skipCheckpointRead || !dev->isYaffs2){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR)));
-+ if (dev->skipCheckpointRead || !dev->isYaffs2) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR)));
- ok = 0;
- }
-
-- if(ok)
-- ok = yaffs_CheckpointOpen(dev,0); /* open for read */
-+ if (ok)
-+ ok = yaffs_CheckpointOpen(dev, 0); /* open for read */
-
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
-- ok = yaffs_ReadCheckpointValidityMarker(dev,1);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
-+ ok = yaffs_ReadCheckpointValidityMarker(dev, 1);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint device" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR)));
- ok = yaffs_ReadCheckpointDevice(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR)));
- ok = yaffs_ReadCheckpointObjects(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
-- ok = yaffs_ReadCheckpointValidityMarker(dev,0);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
-+ ok = yaffs_ReadCheckpointValidityMarker(dev, 0);
- }
-
-- if(ok){
-+ if (ok) {
- ok = yaffs_ReadCheckpointSum(dev);
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok));
- }
-
-- if(!yaffs_CheckpointClose(dev))
-+ if (!yaffs_CheckpointClose(dev))
- ok = 0;
-
-- if(ok)
-- dev->isCheckpointed = 1;
-- else
-- dev->isCheckpointed = 0;
-+ if (ok)
-+ dev->isCheckpointed = 1;
-+ else
-+ dev->isCheckpointed = 0;
-
- return ok ? 1 : 0;
-
-@@ -4527,11 +4592,11 @@ static int yaffs_ReadCheckpointData(yaff
-
- static void yaffs_InvalidateCheckpoint(yaffs_Device *dev)
- {
-- if(dev->isCheckpointed ||
-- dev->blocksInCheckpoint > 0){
-+ if (dev->isCheckpointed ||
-+ dev->blocksInCheckpoint > 0) {
- dev->isCheckpointed = 0;
- yaffs_CheckpointInvalidateStream(dev);
-- if(dev->superBlock && dev->markSuperBlockDirty)
-+ if (dev->superBlock && dev->markSuperBlockDirty)
- dev->markSuperBlockDirty(dev->superBlock);
- }
- }
-@@ -4540,18 +4605,18 @@ static void yaffs_InvalidateCheckpoint(y
- int yaffs_CheckpointSave(yaffs_Device *dev)
- {
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("save entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- yaffs_VerifyObjects(dev);
- yaffs_VerifyBlocks(dev);
- yaffs_VerifyFreeChunks(dev);
-
-- if(!dev->isCheckpointed) {
-+ if (!dev->isCheckpointed) {
- yaffs_InvalidateCheckpoint(dev);
- yaffs_WriteCheckpointData(dev);
- }
-
-- T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- return dev->isCheckpointed;
- }
-@@ -4559,17 +4624,17 @@ int yaffs_CheckpointSave(yaffs_Device *d
- int yaffs_CheckpointRestore(yaffs_Device *dev)
- {
- int retval;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- retval = yaffs_ReadCheckpointData(dev);
-
-- if(dev->isCheckpointed){
-+ if (dev->isCheckpointed) {
- yaffs_VerifyObjects(dev);
- yaffs_VerifyBlocks(dev);
- yaffs_VerifyFreeChunks(dev);
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- return retval;
- }
-@@ -4584,12 +4649,12 @@ int yaffs_CheckpointRestore(yaffs_Device
- * Curve-balls: the first chunk might also be the last chunk.
- */
-
--int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset,
-- int nBytes)
-+int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset,
-+ int nBytes)
- {
-
- int chunk;
-- int start;
-+ __u32 start;
- int nToCopy;
- int n = nBytes;
- int nDone = 0;
-@@ -4600,27 +4665,26 @@ int yaffs_ReadDataFromFile(yaffs_Object
- dev = in->myDev;
-
- while (n > 0) {
-- //chunk = offset / dev->nDataBytesPerChunk + 1;
-- //start = offset % dev->nDataBytesPerChunk;
-- yaffs_AddrToChunk(dev,offset,&chunk,&start);
-+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
-+ /* start = offset % dev->nDataBytesPerChunk; */
-+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
- chunk++;
-
- /* OK now check for the curveball where the start and end are in
- * the same chunk.
- */
-- if ((start + n) < dev->nDataBytesPerChunk) {
-+ if ((start + n) < dev->nDataBytesPerChunk)
- nToCopy = n;
-- } else {
-+ else
- nToCopy = dev->nDataBytesPerChunk - start;
-- }
-
- cache = yaffs_FindChunkCache(in, chunk);
-
- /* If the chunk is already in the cache or it is less than a whole chunk
-- * then use the cache (if there is caching)
-+ * or we're using inband tags then use the cache (if there is caching)
- * else bypass the cache.
- */
-- if (cache || nToCopy != dev->nDataBytesPerChunk) {
-+ if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
- if (dev->nShortOpCaches > 0) {
-
- /* If we can't find the data in the cache, then load it up. */
-@@ -4641,14 +4705,9 @@ int yaffs_ReadDataFromFile(yaffs_Object
-
- cache->locked = 1;
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
- memcpy(buffer, &cache->data[start], nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
- cache->locked = 0;
- } else {
- /* Read into the local buffer then copy..*/
-@@ -4657,41 +4716,19 @@ int yaffs_ReadDataFromFile(yaffs_Object
- yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_ReadChunkDataFromObject(in, chunk,
- localBuffer);
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
- memcpy(buffer, &localBuffer[start], nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
-+
- yaffs_ReleaseTempBuffer(dev, localBuffer,
- __LINE__);
- }
-
- } else {
--#ifdef CONFIG_YAFFS_WINCE
-- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
--
-- /* Under WinCE can't do direct transfer. Need to use a local buffer.
-- * This is because we otherwise screw up WinCE's memory mapper
-- */
-- yaffs_ReadChunkDataFromObject(in, chunk, localBuffer);
--
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-- memcpy(buffer, localBuffer, dev->nDataBytesPerChunk);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
-- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
--#endif
--
--#else
- /* A full chunk. Read directly into the supplied buffer. */
- yaffs_ReadChunkDataFromObject(in, chunk, buffer);
--#endif
-+
- }
-
- n -= nToCopy;
-@@ -4704,28 +4741,37 @@ int yaffs_ReadDataFromFile(yaffs_Object
- return nDone;
- }
-
--int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset,
-- int nBytes, int writeThrough)
-+int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough)
- {
-
- int chunk;
-- int start;
-+ __u32 start;
- int nToCopy;
- int n = nBytes;
- int nDone = 0;
- int nToWriteBack;
- int startOfWrite = offset;
- int chunkWritten = 0;
-- int nBytesRead;
-+ __u32 nBytesRead;
-+ __u32 chunkStart;
-
- yaffs_Device *dev;
-
- dev = in->myDev;
-
- while (n > 0 && chunkWritten >= 0) {
-- //chunk = offset / dev->nDataBytesPerChunk + 1;
-- //start = offset % dev->nDataBytesPerChunk;
-- yaffs_AddrToChunk(dev,offset,&chunk,&start);
-+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
-+ /* start = offset % dev->nDataBytesPerChunk; */
-+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
-+
-+ if (chunk * dev->nDataBytesPerChunk + start != offset ||
-+ start >= dev->nDataBytesPerChunk) {
-+ T(YAFFS_TRACE_ERROR, (
-+ TSTR("AddrToChunk of offset %d gives chunk %d start %d"
-+ TENDSTR),
-+ (int)offset, chunk, start));
-+ }
- chunk++;
-
- /* OK now check for the curveball where the start and end are in
-@@ -4740,25 +4786,32 @@ int yaffs_WriteDataToFile(yaffs_Object *
- * we need to write back as much as was there before.
- */
-
-- nBytesRead =
-- in->variant.fileVariant.fileSize -
-- ((chunk - 1) * dev->nDataBytesPerChunk);
-+ chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk);
-+
-+ if (chunkStart > in->variant.fileVariant.fileSize)
-+ nBytesRead = 0; /* Past end of file */
-+ else
-+ nBytesRead = in->variant.fileVariant.fileSize - chunkStart;
-
-- if (nBytesRead > dev->nDataBytesPerChunk) {
-+ if (nBytesRead > dev->nDataBytesPerChunk)
- nBytesRead = dev->nDataBytesPerChunk;
-- }
-
- nToWriteBack =
- (nBytesRead >
- (start + n)) ? nBytesRead : (start + n);
-
-+ if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk)
-+ YBUG();
-+
- } else {
- nToCopy = dev->nDataBytesPerChunk - start;
- nToWriteBack = dev->nDataBytesPerChunk;
- }
-
-- if (nToCopy != dev->nDataBytesPerChunk) {
-- /* An incomplete start or end chunk (or maybe both start and end chunk) */
-+ if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
-+ /* An incomplete start or end chunk (or maybe both start and end chunk),
-+ * or we're using inband tags, so we want to use the cache buffers.
-+ */
- if (dev->nShortOpCaches > 0) {
- yaffs_ChunkCache *cache;
- /* If we can't find the data in the cache, then load the cache */
-@@ -4775,10 +4828,9 @@ int yaffs_WriteDataToFile(yaffs_Object *
- yaffs_ReadChunkDataFromObject(in, chunk,
- cache->
- data);
-- }
-- else if(cache &&
-- !cache->dirty &&
-- !yaffs_CheckSpaceForAllocation(in->myDev)){
-+ } else if (cache &&
-+ !cache->dirty &&
-+ !yaffs_CheckSpaceForAllocation(in->myDev)) {
- /* Drop the cache if it was a read cache item and
- * no space check has been made for it.
- */
-@@ -4788,16 +4840,12 @@ int yaffs_WriteDataToFile(yaffs_Object *
- if (cache) {
- yaffs_UseChunkCache(dev, cache, 1);
- cache->locked = 1;
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
-
- memcpy(&cache->data[start], buffer,
- nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
-+
- cache->locked = 0;
- cache->nBytes = nToWriteBack;
-
-@@ -4825,15 +4873,10 @@ int yaffs_WriteDataToFile(yaffs_Object *
- yaffs_ReadChunkDataFromObject(in, chunk,
- localBuffer);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
-
- memcpy(&localBuffer[start], buffer, nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
- chunkWritten =
- yaffs_WriteChunkDataToObject(in, chunk,
- localBuffer,
-@@ -4846,31 +4889,15 @@ int yaffs_WriteDataToFile(yaffs_Object *
- }
-
- } else {
--
--#ifdef CONFIG_YAFFS_WINCE
-- /* Under WinCE can't do direct transfer. Need to use a local buffer.
-- * This is because we otherwise screw up WinCE's memory mapper
-- */
-- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-- memcpy(localBuffer, buffer, dev->nDataBytesPerChunk);
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
-- chunkWritten =
-- yaffs_WriteChunkDataToObject(in, chunk, localBuffer,
-- dev->nDataBytesPerChunk,
-- 0);
-- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
--#else
- /* A full chunk. Write directly from the supplied buffer. */
-+
-+
-+
- chunkWritten =
- yaffs_WriteChunkDataToObject(in, chunk, buffer,
- dev->nDataBytesPerChunk,
- 0);
--#endif
-+
- /* Since we've overwritten the cached data, we better invalidate it. */
- yaffs_InvalidateChunkCache(in, chunk);
- }
-@@ -4886,9 +4913,8 @@ int yaffs_WriteDataToFile(yaffs_Object *
-
- /* Update file object */
-
-- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) {
-+ if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize)
- in->variant.fileVariant.fileSize = (startOfWrite + nDone);
-- }
-
- in->dirty = 1;
-
-@@ -4898,7 +4924,7 @@ int yaffs_WriteDataToFile(yaffs_Object *
-
- /* ---------------------- File resizing stuff ------------------ */
-
--static void yaffs_PruneResizedChunks(yaffs_Object * in, int newSize)
-+static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize)
- {
-
- yaffs_Device *dev = in->myDev;
-@@ -4939,11 +4965,11 @@ static void yaffs_PruneResizedChunks(yaf
-
- }
-
--int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize)
-+int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize)
- {
-
- int oldFileSize = in->variant.fileVariant.fileSize;
-- int newSizeOfPartialChunk;
-+ __u32 newSizeOfPartialChunk;
- int newFullChunks;
-
- yaffs_Device *dev = in->myDev;
-@@ -4955,13 +4981,11 @@ int yaffs_ResizeFile(yaffs_Object * in,
-
- yaffs_CheckGarbageCollection(dev);
-
-- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
-- return yaffs_GetFileSize(in);
-- }
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
-+ return YAFFS_FAIL;
-
-- if (newSize == oldFileSize) {
-- return oldFileSize;
-- }
-+ if (newSize == oldFileSize)
-+ return YAFFS_OK;
-
- if (newSize < oldFileSize) {
-
-@@ -4994,21 +5018,20 @@ int yaffs_ResizeFile(yaffs_Object * in,
- }
-
-
--
- /* Write a new object header.
- * show we've shrunk the file, if need be
- * Do this only if the file is not in the deleted directories.
- */
-- if (in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
-- in->parent->objectId != YAFFS_OBJECTID_DELETED) {
-+ if (in->parent &&
-+ in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
-+ in->parent->objectId != YAFFS_OBJECTID_DELETED)
- yaffs_UpdateObjectHeader(in, NULL, 0,
- (newSize < oldFileSize) ? 1 : 0, 0);
-- }
-
-- return newSize;
-+ return YAFFS_OK;
- }
-
--loff_t yaffs_GetFileSize(yaffs_Object * obj)
-+loff_t yaffs_GetFileSize(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-
-@@ -5024,7 +5047,7 @@ loff_t yaffs_GetFileSize(yaffs_Object *
-
-
-
--int yaffs_FlushFile(yaffs_Object * in, int updateTime)
-+int yaffs_FlushFile(yaffs_Object *in, int updateTime)
- {
- int retVal;
- if (in->dirty) {
-@@ -5039,9 +5062,8 @@ int yaffs_FlushFile(yaffs_Object * in, i
- #endif
- }
-
-- retVal =
-- (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
-- 0) ? YAFFS_OK : YAFFS_FAIL;
-+ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
-+ 0) ? YAFFS_OK : YAFFS_FAIL;
- } else {
- retVal = YAFFS_OK;
- }
-@@ -5050,7 +5072,7 @@ int yaffs_FlushFile(yaffs_Object * in, i
-
- }
-
--static int yaffs_DoGenericObjectDeletion(yaffs_Object * in)
-+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
- {
-
- /* First off, invalidate the file's data in the cache, without flushing. */
-@@ -5058,13 +5080,13 @@ static int yaffs_DoGenericObjectDeletion
-
- if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) {
- /* Move to the unlinked directory so we have a record that it was deleted. */
-- yaffs_ChangeObjectName(in, in->myDev->deletedDir,"deleted", 0, 0);
-+ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
-
- }
-
- yaffs_RemoveObjectFromDirectory(in);
-- yaffs_DeleteChunk(in->myDev, in->chunkId, 1, __LINE__);
-- in->chunkId = -1;
-+ yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
-+ in->hdrChunk = 0;
-
- yaffs_FreeObject(in);
- return YAFFS_OK;
-@@ -5075,62 +5097,63 @@ static int yaffs_DoGenericObjectDeletion
- * and the inode associated with the file.
- * It does not delete the links associated with the file.
- */
--static int yaffs_UnlinkFile(yaffs_Object * in)
-+static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
- {
-
- int retVal;
- int immediateDeletion = 0;
-
-- if (1) {
- #ifdef __KERNEL__
-- if (!in->myInode) {
-- immediateDeletion = 1;
--
-- }
-+ if (!in->myInode)
-+ immediateDeletion = 1;
- #else
-- if (in->inUse <= 0) {
-- immediateDeletion = 1;
--
-- }
-+ if (in->inUse <= 0)
-+ immediateDeletion = 1;
- #endif
-- if (immediateDeletion) {
-- retVal =
-- yaffs_ChangeObjectName(in, in->myDev->deletedDir,
-- "deleted", 0, 0);
-- T(YAFFS_TRACE_TRACING,
-- (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
-- in->objectId));
-- in->deleted = 1;
-- in->myDev->nDeletedFiles++;
-- if (0 && in->myDev->isYaffs2) {
-- yaffs_ResizeFile(in, 0);
-- }
-- yaffs_SoftDeleteFile(in);
-- } else {
-- retVal =
-- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
-- "unlinked", 0, 0);
-- }
-
-+ if (immediateDeletion) {
-+ retVal =
-+ yaffs_ChangeObjectName(in, in->myDev->deletedDir,
-+ _Y("deleted"), 0, 0);
-+ T(YAFFS_TRACE_TRACING,
-+ (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
-+ in->objectId));
-+ in->deleted = 1;
-+ in->myDev->nDeletedFiles++;
-+ if (1 || in->myDev->isYaffs2)
-+ yaffs_ResizeFile(in, 0);
-+ yaffs_SoftDeleteFile(in);
-+ } else {
-+ retVal =
-+ yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
-+ _Y("unlinked"), 0, 0);
- }
-+
-+
- return retVal;
- }
-
--int yaffs_DeleteFile(yaffs_Object * in)
-+int yaffs_DeleteFile(yaffs_Object *in)
- {
- int retVal = YAFFS_OK;
-+ int deleted = in->deleted;
-+
-+ yaffs_ResizeFile(in, 0);
-
- if (in->nDataChunks > 0) {
-- /* Use soft deletion if there is data in the file */
-- if (!in->unlinked) {
-- retVal = yaffs_UnlinkFile(in);
-- }
-+ /* Use soft deletion if there is data in the file.
-+ * That won't be the case if it has been resized to zero.
-+ */
-+ if (!in->unlinked)
-+ retVal = yaffs_UnlinkFileIfNeeded(in);
-+
- if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
- in->deleted = 1;
-+ deleted = 1;
- in->myDev->nDeletedFiles++;
- yaffs_SoftDeleteFile(in);
- }
-- return in->deleted ? YAFFS_OK : YAFFS_FAIL;
-+ return deleted ? YAFFS_OK : YAFFS_FAIL;
- } else {
- /* The file has no data chunks so we toss it immediately */
- yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top);
-@@ -5141,62 +5164,75 @@ int yaffs_DeleteFile(yaffs_Object * in)
- }
- }
-
--static int yaffs_DeleteDirectory(yaffs_Object * in)
-+static int yaffs_DeleteDirectory(yaffs_Object *in)
- {
- /* First check that the directory is empty. */
-- if (list_empty(&in->variant.directoryVariant.children)) {
-+ if (ylist_empty(&in->variant.directoryVariant.children))
- return yaffs_DoGenericObjectDeletion(in);
-- }
-
- return YAFFS_FAIL;
-
- }
-
--static int yaffs_DeleteSymLink(yaffs_Object * in)
-+static int yaffs_DeleteSymLink(yaffs_Object *in)
- {
- YFREE(in->variant.symLinkVariant.alias);
-
- return yaffs_DoGenericObjectDeletion(in);
- }
-
--static int yaffs_DeleteHardLink(yaffs_Object * in)
-+static int yaffs_DeleteHardLink(yaffs_Object *in)
- {
- /* remove this hardlink from the list assocaited with the equivalent
- * object
- */
-- list_del(&in->hardLinks);
-+ ylist_del_init(&in->hardLinks);
- return yaffs_DoGenericObjectDeletion(in);
- }
-
--static void yaffs_DestroyObject(yaffs_Object * obj)
-+int yaffs_DeleteObject(yaffs_Object *obj)
- {
-+int retVal = -1;
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
-- yaffs_DeleteFile(obj);
-+ retVal = yaffs_DeleteFile(obj);
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-- yaffs_DeleteDirectory(obj);
-+ return yaffs_DeleteDirectory(obj);
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
-- yaffs_DeleteSymLink(obj);
-+ retVal = yaffs_DeleteSymLink(obj);
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
-- yaffs_DeleteHardLink(obj);
-+ retVal = yaffs_DeleteHardLink(obj);
- break;
- case YAFFS_OBJECT_TYPE_SPECIAL:
-- yaffs_DoGenericObjectDeletion(obj);
-+ retVal = yaffs_DoGenericObjectDeletion(obj);
- break;
- case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ retVal = 0;
- break; /* should not happen. */
- }
-+
-+ return retVal;
- }
-
--static int yaffs_UnlinkWorker(yaffs_Object * obj)
-+static int yaffs_UnlinkWorker(yaffs_Object *obj)
- {
-
-+ int immediateDeletion = 0;
-+
-+#ifdef __KERNEL__
-+ if (!obj->myInode)
-+ immediateDeletion = 1;
-+#else
-+ if (obj->inUse <= 0)
-+ immediateDeletion = 1;
-+#endif
-+
- if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- return yaffs_DeleteHardLink(obj);
-- } else if (!list_empty(&obj->hardLinks)) {
-+ } else if (!ylist_empty(&obj->hardLinks)) {
- /* Curve ball: We're unlinking an object that has a hardlink.
- *
- * This problem arises because we are not strictly following
-@@ -5215,24 +5251,24 @@ static int yaffs_UnlinkWorker(yaffs_Obje
- int retVal;
- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
-
-- hl = list_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
-+ hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
-
-- list_del_init(&hl->hardLinks);
-- list_del_init(&hl->siblings);
-+ ylist_del_init(&hl->hardLinks);
-+ ylist_del_init(&hl->siblings);
-
- yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
-
- retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0);
-
-- if (retVal == YAFFS_OK) {
-+ if (retVal == YAFFS_OK)
- retVal = yaffs_DoGenericObjectDeletion(hl);
-- }
-+
- return retVal;
-
-- } else {
-+ } else if (immediateDeletion) {
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
-- return yaffs_UnlinkFile(obj);
-+ return yaffs_DeleteFile(obj);
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
- return yaffs_DeleteDirectory(obj);
-@@ -5248,21 +5284,22 @@ static int yaffs_UnlinkWorker(yaffs_Obje
- default:
- return YAFFS_FAIL;
- }
-- }
-+ } else
-+ return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir,
-+ _Y("unlinked"), 0, 0);
- }
-
-
--static int yaffs_UnlinkObject( yaffs_Object *obj)
-+static int yaffs_UnlinkObject(yaffs_Object *obj)
- {
-
-- if (obj && obj->unlinkAllowed) {
-+ if (obj && obj->unlinkAllowed)
- return yaffs_UnlinkWorker(obj);
-- }
-
- return YAFFS_FAIL;
-
- }
--int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name)
-+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
- {
- yaffs_Object *obj;
-
-@@ -5272,8 +5309,8 @@ int yaffs_Unlink(yaffs_Object * dir, con
-
- /*----------------------- Initialisation Scanning ---------------------- */
-
--static void yaffs_HandleShadowedObject(yaffs_Device * dev, int objId,
-- int backwardScanning)
-+static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
-+ int backwardScanning)
- {
- yaffs_Object *obj;
-
-@@ -5286,9 +5323,8 @@ static void yaffs_HandleShadowedObject(y
- /* Handle YAFFS2 case (backward scanning)
- * If the shadowed object exists then ignore.
- */
-- if (yaffs_FindObjectByNumber(dev, objId)) {
-+ if (yaffs_FindObjectByNumber(dev, objId))
- return;
-- }
- }
-
- /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
-@@ -5297,6 +5333,8 @@ static void yaffs_HandleShadowedObject(y
- obj =
- yaffs_FindOrCreateObjectByNumber(dev, objId,
- YAFFS_OBJECT_TYPE_FILE);
-+ if (!obj)
-+ return;
- yaffs_AddObjectToDirectory(dev->unlinkedDir, obj);
- obj->variant.fileVariant.shrinkSize = 0;
- obj->valid = 1; /* So that we don't read any other info for this file */
-@@ -5325,44 +5363,77 @@ static void yaffs_HardlinkFixup(yaffs_De
- if (in) {
- /* Add the hardlink pointers */
- hl->variant.hardLinkVariant.equivalentObject = in;
-- list_add(&hl->hardLinks, &in->hardLinks);
-+ ylist_add(&hl->hardLinks, &in->hardLinks);
- } else {
- /* Todo Need to report/handle this better.
- * Got a problem... hardlink to a non-existant object
- */
- hl->variant.hardLinkVariant.equivalentObject = NULL;
-- INIT_LIST_HEAD(&hl->hardLinks);
-+ YINIT_LIST_HEAD(&hl->hardLinks);
-
- }
--
- }
-+}
-+
-+
-
-+
-+
-+static int ybicmp(const void *a, const void *b)
-+{
-+ register int aseq = ((yaffs_BlockIndex *)a)->seq;
-+ register int bseq = ((yaffs_BlockIndex *)b)->seq;
-+ register int ablock = ((yaffs_BlockIndex *)a)->block;
-+ register int bblock = ((yaffs_BlockIndex *)b)->block;
-+ if (aseq == bseq)
-+ return ablock - bblock;
-+ else
-+ return aseq - bseq;
- }
-
-
-+struct yaffs_ShadowFixerStruct {
-+ int objectId;
-+ int shadowedId;
-+ struct yaffs_ShadowFixerStruct *next;
-+};
-+
-
-+static void yaffs_StripDeletedObjects(yaffs_Device *dev)
-+{
-+ /*
-+ * Sort out state of unlinked and deleted objects after scanning.
-+ */
-+ struct ylist_head *i;
-+ struct ylist_head *n;
-+ yaffs_Object *l;
-
-+ /* Soft delete all the unlinked files */
-+ ylist_for_each_safe(i, n,
-+ &dev->unlinkedDir->variant.directoryVariant.children) {
-+ if (i) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ yaffs_DeleteObject(l);
-+ }
-+ }
-
--static int ybicmp(const void *a, const void *b){
-- register int aseq = ((yaffs_BlockIndex *)a)->seq;
-- register int bseq = ((yaffs_BlockIndex *)b)->seq;
-- register int ablock = ((yaffs_BlockIndex *)a)->block;
-- register int bblock = ((yaffs_BlockIndex *)b)->block;
-- if( aseq == bseq )
-- return ablock - bblock;
-- else
-- return aseq - bseq;
-+ ylist_for_each_safe(i, n,
-+ &dev->deletedDir->variant.directoryVariant.children) {
-+ if (i) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ yaffs_DeleteObject(l);
-+ }
-+ }
-
- }
-
--static int yaffs_Scan(yaffs_Device * dev)
-+static int yaffs_Scan(yaffs_Device *dev)
- {
- yaffs_ExtendedTags tags;
- int blk;
- int blockIterator;
- int startIterator;
- int endIterator;
-- int nBlocksToScan = 0;
- int result;
-
- int chunk;
-@@ -5371,26 +5442,19 @@ static int yaffs_Scan(yaffs_Device * dev
- yaffs_BlockState state;
- yaffs_Object *hardList = NULL;
- yaffs_BlockInfo *bi;
-- int sequenceNumber;
-+ __u32 sequenceNumber;
- yaffs_ObjectHeader *oh;
- yaffs_Object *in;
- yaffs_Object *parent;
-- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
-
- int alloc_failed = 0;
-
-+ struct yaffs_ShadowFixerStruct *shadowFixerList = NULL;
-+
-
- __u8 *chunkData;
-
-- yaffs_BlockIndex *blockIndex = NULL;
-
-- if (dev->isYaffs2) {
-- T(YAFFS_TRACE_SCAN,
-- (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR)));
-- return YAFFS_FAIL;
-- }
--
-- //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format.
-
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR),
-@@ -5400,12 +5464,6 @@ static int yaffs_Scan(yaffs_Device * dev
-
- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
-
-- if (dev->isYaffs2) {
-- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
-- if(!blockIndex)
-- return YAFFS_FAIL;
-- }
--
- /* Scan all the blocks to determine their state */
- for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
- bi = yaffs_GetBlockInfo(dev, blk);
-@@ -5418,6 +5476,9 @@ static int yaffs_Scan(yaffs_Device * dev
- bi->blockState = state;
- bi->sequenceNumber = sequenceNumber;
-
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
-+
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, sequenceNumber));
-@@ -5430,70 +5491,21 @@ static int yaffs_Scan(yaffs_Device * dev
- (TSTR("Block empty " TENDSTR)));
- dev->nErasedBlocks++;
- dev->nFreeChunks += dev->nChunksPerBlock;
-- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
--
-- /* Determine the highest sequence number */
-- if (dev->isYaffs2 &&
-- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
-- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
--
-- blockIndex[nBlocksToScan].seq = sequenceNumber;
-- blockIndex[nBlocksToScan].block = blk;
--
-- nBlocksToScan++;
--
-- if (sequenceNumber >= dev->sequenceNumber) {
-- dev->sequenceNumber = sequenceNumber;
-- }
-- } else if (dev->isYaffs2) {
-- /* TODO: Nasty sequence number! */
-- T(YAFFS_TRACE_SCAN,
-- (TSTR
-- ("Block scanning block %d has bad sequence number %d"
-- TENDSTR), blk, sequenceNumber));
--
-- }
- }
- }
-
-- /* Sort the blocks
-- * Dungy old bubble sort for now...
-- */
-- if (dev->isYaffs2) {
-- yaffs_BlockIndex temp;
-- int i;
-- int j;
--
-- for (i = 0; i < nBlocksToScan; i++)
-- for (j = i + 1; j < nBlocksToScan; j++)
-- if (blockIndex[i].seq > blockIndex[j].seq) {
-- temp = blockIndex[j];
-- blockIndex[j] = blockIndex[i];
-- blockIndex[i] = temp;
-- }
-- }
--
-- /* Now scan the blocks looking at the data. */
-- if (dev->isYaffs2) {
-- startIterator = 0;
-- endIterator = nBlocksToScan - 1;
-- T(YAFFS_TRACE_SCAN_DEBUG,
-- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan));
-- } else {
-- startIterator = dev->internalStartBlock;
-- endIterator = dev->internalEndBlock;
-- }
-+ startIterator = dev->internalStartBlock;
-+ endIterator = dev->internalEndBlock;
-
- /* For each block.... */
- for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator;
- blockIterator++) {
-
-- if (dev->isYaffs2) {
-- /* get the block to scan in the correct order */
-- blk = blockIndex[blockIterator].block;
-- } else {
-- blk = blockIterator;
-- }
-+ YYIELD();
-+
-+ YYIELD();
-+
-+ blk = blockIterator;
-
- bi = yaffs_GetBlockInfo(dev, blk);
- state = bi->blockState;
-@@ -5511,7 +5523,7 @@ static int yaffs_Scan(yaffs_Device * dev
-
- /* Let's have a good look at this chunk... */
-
-- if (!dev->isYaffs2 && tags.chunkDeleted) {
-+ if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) {
- /* YAFFS1 only...
- * A deleted chunk
- */
-@@ -5540,18 +5552,6 @@ static int yaffs_Scan(yaffs_Device * dev
- dev->allocationBlockFinder = blk;
- /* Set it to here to encourage the allocator to go forth from here. */
-
-- /* Yaffs2 sanity check:
-- * This should be the one with the highest sequence number
-- */
-- if (dev->isYaffs2
-- && (dev->sequenceNumber !=
-- bi->sequenceNumber)) {
-- T(YAFFS_TRACE_ALWAYS,
-- (TSTR
-- ("yaffs: Allocation block %d was not highest sequence id:"
-- " block seq = %d, dev seq = %d"
-- TENDSTR), blk,bi->sequenceNumber,dev->sequenceNumber));
-- }
- }
-
- dev->nFreeChunks += (dev->nChunksPerBlock - c);
-@@ -5570,11 +5570,11 @@ static int yaffs_Scan(yaffs_Device * dev
- * the same chunkId).
- */
-
-- if(!in)
-+ if (!in)
- alloc_failed = 1;
-
-- if(in){
-- if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1))
-+ if (in) {
-+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1))
- alloc_failed = 1;
- }
-
-@@ -5617,7 +5617,7 @@ static int yaffs_Scan(yaffs_Device * dev
- * deleted, and worse still it has changed type. Delete the old object.
- */
-
-- yaffs_DestroyObject(in);
-+ yaffs_DeleteObject(in);
-
- in = 0;
- }
-@@ -5627,14 +5627,20 @@ static int yaffs_Scan(yaffs_Device * dev
- objectId,
- oh->type);
-
-- if(!in)
-+ if (!in)
- alloc_failed = 1;
-
- if (in && oh->shadowsObject > 0) {
-- yaffs_HandleShadowedObject(dev,
-- oh->
-- shadowsObject,
-- 0);
-+
-+ struct yaffs_ShadowFixerStruct *fixer;
-+ fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct));
-+ if (fixer) {
-+ fixer->next = shadowFixerList;
-+ shadowFixerList = fixer;
-+ fixer->objectId = tags.objectId;
-+ fixer->shadowedId = oh->shadowsObject;
-+ }
-+
- }
-
- if (in && in->valid) {
-@@ -5643,12 +5649,10 @@ static int yaffs_Scan(yaffs_Device * dev
- unsigned existingSerial = in->serial;
- unsigned newSerial = tags.serialNumber;
-
-- if (dev->isYaffs2 ||
-- ((existingSerial + 1) & 3) ==
-- newSerial) {
-+ if (((existingSerial + 1) & 3) == newSerial) {
- /* Use new one - destroy the exisiting one */
- yaffs_DeleteChunk(dev,
-- in->chunkId,
-+ in->hdrChunk,
- 1, __LINE__);
- in->valid = 0;
- } else {
-@@ -5681,7 +5685,8 @@ static int yaffs_Scan(yaffs_Device * dev
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
- #endif
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-+ in->serial = tags.serialNumber;
-
- } else if (in && !in->valid) {
- /* we need to load this info */
-@@ -5705,7 +5710,8 @@ static int yaffs_Scan(yaffs_Device * dev
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
- #endif
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-+ in->serial = tags.serialNumber;
-
- yaffs_SetObjectName(in, oh->name);
- in->dirty = 0;
-@@ -5718,25 +5724,25 @@ static int yaffs_Scan(yaffs_Device * dev
- yaffs_FindOrCreateObjectByNumber
- (dev, oh->parentObjectId,
- YAFFS_OBJECT_TYPE_DIRECTORY);
-- if (parent->variantType ==
-+ if (!parent)
-+ alloc_failed = 1;
-+ if (parent && parent->variantType ==
- YAFFS_OBJECT_TYPE_UNKNOWN) {
- /* Set up as a directory */
- parent->variantType =
-- YAFFS_OBJECT_TYPE_DIRECTORY;
-- INIT_LIST_HEAD(&parent->variant.
-- directoryVariant.
-- children);
-- } else if (parent->variantType !=
-- YAFFS_OBJECT_TYPE_DIRECTORY)
-- {
-+ YAFFS_OBJECT_TYPE_DIRECTORY;
-+ YINIT_LIST_HEAD(&parent->variant.
-+ directoryVariant.
-+ children);
-+ } else if (!parent || parent->variantType !=
-+ YAFFS_OBJECT_TYPE_DIRECTORY) {
- /* Hoosterman, another problem....
- * We're trying to use a non-directory as a directory
- */
-
- T(YAFFS_TRACE_ERROR,
- (TSTR
-- ("yaffs tragedy: attempting to use non-directory as"
-- " a directory in scan. Put in lost+found."
-+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
- parent = dev->lostNFoundDir;
- }
-@@ -5760,15 +5766,6 @@ static int yaffs_Scan(yaffs_Device * dev
- /* Todo got a problem */
- break;
- case YAFFS_OBJECT_TYPE_FILE:
-- if (dev->isYaffs2
-- && oh->isShrink) {
-- /* Prune back the shrunken chunks */
-- yaffs_PruneResizedChunks
-- (in, oh->fileSize);
-- /* Mark the block as having a shrinkHeader */
-- bi->hasShrinkHeader = 1;
-- }
--
- if (dev->useHeaderFileSize)
-
- in->variant.fileVariant.
-@@ -5778,11 +5775,11 @@ static int yaffs_Scan(yaffs_Device * dev
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
- in->variant.hardLinkVariant.
-- equivalentObjectId =
-- oh->equivalentObjectId;
-+ equivalentObjectId =
-+ oh->equivalentObjectId;
- in->hardLinks.next =
-- (struct list_head *)
-- hardList;
-+ (struct ylist_head *)
-+ hardList;
- hardList = in;
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-@@ -5794,15 +5791,17 @@ static int yaffs_Scan(yaffs_Device * dev
- case YAFFS_OBJECT_TYPE_SYMLINK:
- in->variant.symLinkVariant.alias =
- yaffs_CloneString(oh->alias);
-- if(!in->variant.symLinkVariant.alias)
-+ if (!in->variant.symLinkVariant.alias)
- alloc_failed = 1;
- break;
- }
-
-+/*
- if (parent == dev->deletedDir) {
- yaffs_DestroyObject(in);
- bi->hasShrinkHeader = 1;
- }
-+*/
- }
- }
- }
-@@ -5823,10 +5822,6 @@ static int yaffs_Scan(yaffs_Device * dev
-
- }
-
-- if (blockIndex) {
-- YFREE(blockIndex);
-- }
--
-
- /* Ok, we've done all the scanning.
- * Fix up the hard link chains.
-@@ -5834,32 +5829,36 @@ static int yaffs_Scan(yaffs_Device * dev
- * hardlinks.
- */
-
-- yaffs_HardlinkFixup(dev,hardList);
-+ yaffs_HardlinkFixup(dev, hardList);
-
-- /* Handle the unlinked files. Since they were left in an unlinked state we should
-- * just delete them.
-- */
-+ /* Fix up any shadowed objects */
- {
-- struct list_head *i;
-- struct list_head *n;
-+ struct yaffs_ShadowFixerStruct *fixer;
-+ yaffs_Object *obj;
-
-- yaffs_Object *l;
-- /* Soft delete all the unlinked files */
-- list_for_each_safe(i, n,
-- &dev->unlinkedDir->variant.directoryVariant.
-- children) {
-- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- yaffs_DestroyObject(l);
-- }
-+ while (shadowFixerList) {
-+ fixer = shadowFixerList;
-+ shadowFixerList = fixer->next;
-+ /* Complete the rename transaction by deleting the shadowed object
-+ * then setting the object header to unshadowed.
-+ */
-+ obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId);
-+ if (obj)
-+ yaffs_DeleteObject(obj);
-+
-+ obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
-+
-+ if (obj)
-+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
-+
-+ YFREE(fixer);
- }
- }
-
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-
-- if(alloc_failed){
-+ if (alloc_failed)
- return YAFFS_FAIL;
-- }
-
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR)));
-
-@@ -5871,25 +5870,27 @@ static void yaffs_CheckObjectDetailsLoad
- {
- __u8 *chunkData;
- yaffs_ObjectHeader *oh;
-- yaffs_Device *dev = in->myDev;
-+ yaffs_Device *dev;
- yaffs_ExtendedTags tags;
- int result;
- int alloc_failed = 0;
-
-- if(!in)
-+ if (!in)
- return;
-
-+ dev = in->myDev;
-+
- #if 0
-- T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR),
-+ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR),
- in->objectId,
- in->lazyLoaded ? "not yet" : "already"));
- #endif
-
-- if(in->lazyLoaded){
-+ if (in->lazyLoaded && in->hdrChunk > 0) {
- in->lazyLoaded = 0;
- chunkData = yaffs_GetTempBuffer(dev, __LINE__);
-
-- result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags);
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags);
- oh = (yaffs_ObjectHeader *) chunkData;
-
- in->yst_mode = oh->yst_mode;
-@@ -5911,18 +5912,18 @@ static void yaffs_CheckObjectDetailsLoad
- #endif
- yaffs_SetObjectName(in, oh->name);
-
-- if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){
-- in->variant.symLinkVariant.alias =
-+ if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ in->variant.symLinkVariant.alias =
- yaffs_CloneString(oh->alias);
-- if(!in->variant.symLinkVariant.alias)
-+ if (!in->variant.symLinkVariant.alias)
- alloc_failed = 1; /* Not returned to caller */
- }
-
-- yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__);
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
- }
- }
-
--static int yaffs_ScanBackwards(yaffs_Device * dev)
-+static int yaffs_ScanBackwards(yaffs_Device *dev)
- {
- yaffs_ExtendedTags tags;
- int blk;
-@@ -5938,7 +5939,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- yaffs_BlockState state;
- yaffs_Object *hardList = NULL;
- yaffs_BlockInfo *bi;
-- int sequenceNumber;
-+ __u32 sequenceNumber;
- yaffs_ObjectHeader *oh;
- yaffs_Object *in;
- yaffs_Object *parent;
-@@ -5972,12 +5973,12 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
-
-- if(!blockIndex) {
-+ if (!blockIndex) {
- blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex));
- altBlockIndex = 1;
- }
-
-- if(!blockIndex) {
-+ if (!blockIndex) {
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR)));
- return YAFFS_FAIL;
-@@ -5999,15 +6000,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
- bi->blockState = state;
- bi->sequenceNumber = sequenceNumber;
-
-- if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
- bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT;
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
-
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, sequenceNumber));
-
-
-- if(state == YAFFS_BLOCK_STATE_CHECKPOINT){
-+ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
- dev->blocksInCheckpoint++;
-
- } else if (state == YAFFS_BLOCK_STATE_DEAD) {
-@@ -6021,8 +6024,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
-
- /* Determine the highest sequence number */
-- if (dev->isYaffs2 &&
-- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
-+ if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
-
- blockIndex[nBlocksToScan].seq = sequenceNumber;
-@@ -6030,10 +6032,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- nBlocksToScan++;
-
-- if (sequenceNumber >= dev->sequenceNumber) {
-+ if (sequenceNumber >= dev->sequenceNumber)
- dev->sequenceNumber = sequenceNumber;
-- }
-- } else if (dev->isYaffs2) {
-+ } else {
- /* TODO: Nasty sequence number! */
- T(YAFFS_TRACE_SCAN,
- (TSTR
-@@ -6053,11 +6054,13 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- /* Sort the blocks */
- #ifndef CONFIG_YAFFS_USE_OWN_SORT
-- yaffs_qsort(blockIndex, nBlocksToScan,
-- sizeof(yaffs_BlockIndex), ybicmp);
-+ {
-+ /* Use qsort now. */
-+ yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), ybicmp);
-+ }
- #else
- {
-- /* Dungy old bubble sort... */
-+ /* Dungy old bubble sort... */
-
- yaffs_BlockIndex temp;
- int i;
-@@ -6075,7 +6078,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- YYIELD();
-
-- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
-+ T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
-
- /* Now scan the blocks looking at the data. */
- startIterator = 0;
-@@ -6085,10 +6088,10 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- /* For each block.... backwards */
- for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator;
-- blockIterator--) {
-- /* Cooperative multitasking! This loop can run for so
-+ blockIterator--) {
-+ /* Cooperative multitasking! This loop can run for so
- long that watchdog timers expire. */
-- YYIELD();
-+ YYIELD();
-
- /* get the block to scan in the correct order */
- blk = blockIndex[blockIterator].block;
-@@ -6127,10 +6130,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- * this is the one being allocated from
- */
-
-- if(foundChunksInBlock)
-- {
-+ if (foundChunksInBlock) {
- /* This is a chunk that was skipped due to failing the erased check */
--
- } else if (c == 0) {
- /* We're looking at the first chunk in the block so the block is unused */
- state = YAFFS_BLOCK_STATE_EMPTY;
-@@ -6138,7 +6139,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- } else {
- if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
- state == YAFFS_BLOCK_STATE_ALLOCATING) {
-- if(dev->sequenceNumber == bi->sequenceNumber) {
-+ if (dev->sequenceNumber == bi->sequenceNumber) {
- /* this is the block being allocated from */
-
- T(YAFFS_TRACE_SCAN,
-@@ -6150,27 +6151,31 @@ static int yaffs_ScanBackwards(yaffs_Dev
- dev->allocationBlock = blk;
- dev->allocationPage = c;
- dev->allocationBlockFinder = blk;
-- }
-- else {
-+ } else {
- /* This is a partially written block that is not
- * the current allocation block. This block must have
- * had a write failure, so set up for retirement.
- */
-
-- bi->needsRetiring = 1;
-+ /* bi->needsRetiring = 1; ??? TODO */
- bi->gcPrioritise = 1;
-
- T(YAFFS_TRACE_ALWAYS,
-- (TSTR("Partially written block %d being set for retirement" TENDSTR),
-+ (TSTR("Partially written block %d detected" TENDSTR),
- blk));
- }
--
- }
--
- }
-
- dev->nFreeChunks++;
-
-+ } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) {
-+ T(YAFFS_TRACE_SCAN,
-+ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR),
-+ blk, c));
-+
-+ dev->nFreeChunks++;
-+
- } else if (tags.chunkId > 0) {
- /* chunkId > 0 so it is a data chunk... */
- unsigned int endpos;
-@@ -6187,7 +6192,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- tags.
- objectId,
- YAFFS_OBJECT_TYPE_FILE);
-- if(!in){
-+ if (!in) {
- /* Out of memory */
- alloc_failed = 1;
- }
-@@ -6197,8 +6202,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- && chunkBase <
- in->variant.fileVariant.shrinkSize) {
- /* This has not been invalidated by a resize */
-- if(!yaffs_PutChunkIntoFile(in, tags.chunkId,
-- chunk, -1)){
-+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId,
-+ chunk, -1)) {
- alloc_failed = 1;
- }
-
-@@ -6221,7 +6226,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- scannedFileSize;
- }
-
-- } else if(in) {
-+ } else if (in) {
- /* This chunk has been invalidated by a resize, so delete */
- yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
-
-@@ -6242,6 +6247,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- in = yaffs_FindOrCreateObjectByNumber
- (dev, tags.objectId,
- tags.extraObjectType);
-+ if (!in)
-+ alloc_failed = 1;
- }
-
- if (!in ||
-@@ -6251,8 +6258,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- tags.extraShadows ||
- (!in->valid &&
- (tags.objectId == YAFFS_OBJECTID_ROOT ||
-- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))
-- ) {
-+ tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))) {
-
- /* If we don't have valid info then we need to read the chunk
- * TODO In future we can probably defer reading the chunk and
-@@ -6266,8 +6272,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- oh = (yaffs_ObjectHeader *) chunkData;
-
-- if (!in)
-+ if (dev->inbandTags) {
-+ /* Fix up the header if they got corrupted by inband tags */
-+ oh->shadowsObject = oh->inbandShadowsObject;
-+ oh->isShrink = oh->inbandIsShrink;
-+ }
-+
-+ if (!in) {
- in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type);
-+ if (!in)
-+ alloc_failed = 1;
-+ }
-
- }
-
-@@ -6275,10 +6290,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
- /* TODO Hoosterman we have a problem! */
- T(YAFFS_TRACE_ERROR,
- (TSTR
-- ("yaffs tragedy: Could not make object for object %d "
-- "at chunk %d during scan"
-+ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan"
- TENDSTR), tags.objectId, chunk));
--
-+ continue;
- }
-
- if (in->valid) {
-@@ -6289,10 +6303,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) &&
- ((oh &&
-- oh-> type == YAFFS_OBJECT_TYPE_FILE)||
-+ oh->type == YAFFS_OBJECT_TYPE_FILE) ||
- (tags.extraHeaderInfoAvailable &&
-- tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))
-- ) {
-+ tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) {
- __u32 thisSize =
- (oh) ? oh->fileSize : tags.
- extraFileLength;
-@@ -6300,7 +6313,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
- (oh) ? oh->
- parentObjectId : tags.
- extraParentObjectId;
-- unsigned isShrink =
-+
-+
-+ isShrink =
- (oh) ? oh->isShrink : tags.
- extraIsShrinkHeader;
-
-@@ -6323,9 +6338,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- thisSize;
- }
-
-- if (isShrink) {
-+ if (isShrink)
- bi->hasShrinkHeader = 1;
-- }
-
- }
- /* Use existing - destroy this one. */
-@@ -6333,6 +6347,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- }
-
-+ if (!in->valid && in->variantType !=
-+ (oh ? oh->type : tags.extraObjectType))
-+ T(YAFFS_TRACE_ERROR, (
-+ TSTR("yaffs tragedy: Bad object type, "
-+ TCONT("%d != %d, for object %d at chunk ")
-+ TCONT("%d during scan")
-+ TENDSTR), oh ?
-+ oh->type : tags.extraObjectType,
-+ in->variantType, tags.objectId,
-+ chunk));
-+
- if (!in->valid &&
- (tags.objectId == YAFFS_OBJECTID_ROOT ||
- tags.objectId ==
-@@ -6340,7 +6365,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- /* We only load some info, don't fiddle with directory structure */
- in->valid = 1;
-
-- if(oh) {
-+ if (oh) {
- in->variantType = oh->type;
-
- in->yst_mode = oh->yst_mode;
-@@ -6365,15 +6390,15 @@ static int yaffs_ScanBackwards(yaffs_Dev
- in->lazyLoaded = 1;
- }
-
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-
- } else if (!in->valid) {
- /* we need to load this info */
-
- in->valid = 1;
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-
-- if(oh) {
-+ if (oh) {
- in->variantType = oh->type;
-
- in->yst_mode = oh->yst_mode;
-@@ -6403,20 +6428,19 @@ static int yaffs_ScanBackwards(yaffs_Dev
- yaffs_SetObjectName(in, oh->name);
- parent =
- yaffs_FindOrCreateObjectByNumber
-- (dev, oh->parentObjectId,
-- YAFFS_OBJECT_TYPE_DIRECTORY);
-+ (dev, oh->parentObjectId,
-+ YAFFS_OBJECT_TYPE_DIRECTORY);
-
- fileSize = oh->fileSize;
-- isShrink = oh->isShrink;
-+ isShrink = oh->isShrink;
- equivalentObjectId = oh->equivalentObjectId;
-
-- }
-- else {
-+ } else {
- in->variantType = tags.extraObjectType;
- parent =
- yaffs_FindOrCreateObjectByNumber
-- (dev, tags.extraParentObjectId,
-- YAFFS_OBJECT_TYPE_DIRECTORY);
-+ (dev, tags.extraParentObjectId,
-+ YAFFS_OBJECT_TYPE_DIRECTORY);
- fileSize = tags.extraFileLength;
- isShrink = tags.extraIsShrinkHeader;
- equivalentObjectId = tags.extraEquivalentObjectId;
-@@ -6425,29 +6449,30 @@ static int yaffs_ScanBackwards(yaffs_Dev
- }
- in->dirty = 0;
-
-+ if (!parent)
-+ alloc_failed = 1;
-+
- /* directory stuff...
- * hook up to parent
- */
-
-- if (parent->variantType ==
-+ if (parent && parent->variantType ==
- YAFFS_OBJECT_TYPE_UNKNOWN) {
- /* Set up as a directory */
- parent->variantType =
-- YAFFS_OBJECT_TYPE_DIRECTORY;
-- INIT_LIST_HEAD(&parent->variant.
-- directoryVariant.
-- children);
-- } else if (parent->variantType !=
-- YAFFS_OBJECT_TYPE_DIRECTORY)
-- {
-+ YAFFS_OBJECT_TYPE_DIRECTORY;
-+ YINIT_LIST_HEAD(&parent->variant.
-+ directoryVariant.
-+ children);
-+ } else if (!parent || parent->variantType !=
-+ YAFFS_OBJECT_TYPE_DIRECTORY) {
- /* Hoosterman, another problem....
- * We're trying to use a non-directory as a directory
- */
-
- T(YAFFS_TRACE_ERROR,
- (TSTR
-- ("yaffs tragedy: attempting to use non-directory as"
-- " a directory in scan. Put in lost+found."
-+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
- parent = dev->lostNFoundDir;
- }
-@@ -6494,12 +6519,12 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
-- if(!itsUnlinked) {
-- in->variant.hardLinkVariant.equivalentObjectId =
-- equivalentObjectId;
-- in->hardLinks.next =
-- (struct list_head *) hardList;
-- hardList = in;
-+ if (!itsUnlinked) {
-+ in->variant.hardLinkVariant.equivalentObjectId =
-+ equivalentObjectId;
-+ in->hardLinks.next =
-+ (struct ylist_head *) hardList;
-+ hardList = in;
- }
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-@@ -6509,12 +6534,11 @@ static int yaffs_ScanBackwards(yaffs_Dev
- /* Do nothing */
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
-- if(oh){
-- in->variant.symLinkVariant.alias =
-- yaffs_CloneString(oh->
-- alias);
-- if(!in->variant.symLinkVariant.alias)
-- alloc_failed = 1;
-+ if (oh) {
-+ in->variant.symLinkVariant.alias =
-+ yaffs_CloneString(oh->alias);
-+ if (!in->variant.symLinkVariant.alias)
-+ alloc_failed = 1;
- }
- break;
- }
-@@ -6551,75 +6575,129 @@ static int yaffs_ScanBackwards(yaffs_Dev
- * We should now have scanned all the objects, now it's time to add these
- * hardlinks.
- */
-- yaffs_HardlinkFixup(dev,hardList);
-+ yaffs_HardlinkFixup(dev, hardList);
-
-
-- /*
-- * Sort out state of unlinked and deleted objects.
-- */
-- {
-- struct list_head *i;
-- struct list_head *n;
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-
-- yaffs_Object *l;
-+ if (alloc_failed)
-+ return YAFFS_FAIL;
-
-- /* Soft delete all the unlinked files */
-- list_for_each_safe(i, n,
-- &dev->unlinkedDir->variant.directoryVariant.
-- children) {
-- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- yaffs_DestroyObject(l);
-- }
-- }
-+ T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
-
-- /* Soft delete all the deletedDir files */
-- list_for_each_safe(i, n,
-- &dev->deletedDir->variant.directoryVariant.
-- children) {
-- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- yaffs_DestroyObject(l);
-+ return YAFFS_OK;
-+}
-
-- }
-+/*------------------------------ Directory Functions ----------------------------- */
-+
-+static void yaffs_VerifyObjectInDirectory(yaffs_Object *obj)
-+{
-+ struct ylist_head *lh;
-+ yaffs_Object *listObj;
-+
-+ int count = 0;
-+
-+ if (!obj) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR)));
-+ YBUG();
-+ return;
-+ }
-+
-+ if (yaffs_SkipVerification(obj->myDev))
-+ return;
-+
-+ if (!obj->parent) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR)));
-+ YBUG();
-+ return;
-+ }
-+
-+ if (obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR)));
-+ YBUG();
-+ }
-+
-+ /* Iterate through the objects in each hash entry */
-+
-+ ylist_for_each(lh, &obj->parent->variant.directoryVariant.children) {
-+ if (lh) {
-+ listObj = ylist_entry(lh, yaffs_Object, siblings);
-+ yaffs_VerifyObject(listObj);
-+ if (obj == listObj)
-+ count++;
- }
-+ }
-+
-+ if (count != 1) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count));
-+ YBUG();
- }
-+}
-
-- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-+static void yaffs_VerifyDirectory(yaffs_Object *directory)
-+{
-+ struct ylist_head *lh;
-+ yaffs_Object *listObj;
-
-- if(alloc_failed){
-- return YAFFS_FAIL;
-+ if (!directory) {
-+ YBUG();
-+ return;
- }
-
-- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
-+ if (yaffs_SkipFullVerification(directory->myDev))
-+ return;
-
-- return YAFFS_OK;
-+ if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType));
-+ YBUG();
-+ }
-+
-+ /* Iterate through the objects in each hash entry */
-+
-+ ylist_for_each(lh, &directory->variant.directoryVariant.children) {
-+ if (lh) {
-+ listObj = ylist_entry(lh, yaffs_Object, siblings);
-+ if (listObj->parent != directory) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent));
-+ YBUG();
-+ }
-+ yaffs_VerifyObjectInDirectory(listObj);
-+ }
-+ }
- }
-
--/*------------------------------ Directory Functions ----------------------------- */
-
--static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj)
-+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj)
- {
- yaffs_Device *dev = obj->myDev;
-+ yaffs_Object *parent;
-+
-+ yaffs_VerifyObjectInDirectory(obj);
-+ parent = obj->parent;
-+
-+ yaffs_VerifyDirectory(parent);
-
-- if(dev && dev->removeObjectCallback)
-+ if (dev && dev->removeObjectCallback)
- dev->removeObjectCallback(obj);
-
-- list_del_init(&obj->siblings);
-+
-+ ylist_del_init(&obj->siblings);
- obj->parent = NULL;
-+
-+ yaffs_VerifyDirectory(parent);
- }
-
-
--static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
-- yaffs_Object * obj)
-+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
-+ yaffs_Object *obj)
- {
--
- if (!directory) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: Trying to add an object to a null pointer directory"
- TENDSTR)));
- YBUG();
-+ return;
- }
- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
-@@ -6631,37 +6709,42 @@ static void yaffs_AddObjectToDirectory(y
-
- if (obj->siblings.prev == NULL) {
- /* Not initialised */
-- INIT_LIST_HEAD(&obj->siblings);
--
-- } else if (!list_empty(&obj->siblings)) {
-- /* If it is holed up somewhere else, un hook it */
-- yaffs_RemoveObjectFromDirectory(obj);
-+ YBUG();
- }
-+
-+
-+ yaffs_VerifyDirectory(directory);
-+
-+ yaffs_RemoveObjectFromDirectory(obj);
-+
-+
- /* Now add it */
-- list_add(&obj->siblings, &directory->variant.directoryVariant.children);
-+ ylist_add(&obj->siblings, &directory->variant.directoryVariant.children);
- obj->parent = directory;
-
- if (directory == obj->myDev->unlinkedDir
-- || directory == obj->myDev->deletedDir) {
-+ || directory == obj->myDev->deletedDir) {
- obj->unlinked = 1;
- obj->myDev->nUnlinkedFiles++;
- obj->renameAllowed = 0;
- }
-+
-+ yaffs_VerifyDirectory(directory);
-+ yaffs_VerifyObjectInDirectory(obj);
- }
-
--yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory,
-- const YCHAR * name)
-+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory,
-+ const YCHAR *name)
- {
- int sum;
-
-- struct list_head *i;
-+ struct ylist_head *i;
- YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1];
-
- yaffs_Object *l;
-
-- if (!name) {
-+ if (!name)
- return NULL;
-- }
-
- if (!directory) {
- T(YAFFS_TRACE_ALWAYS,
-@@ -6669,6 +6752,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf
- ("tragedy: yaffs_FindObjectByName: null pointer directory"
- TENDSTR)));
- YBUG();
-+ return NULL;
- }
- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
-@@ -6679,28 +6763,27 @@ yaffs_Object *yaffs_FindObjectByName(yaf
-
- sum = yaffs_CalcNameSum(name);
-
-- list_for_each(i, &directory->variant.directoryVariant.children) {
-+ ylist_for_each(i, &directory->variant.directoryVariant.children) {
- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+
-+ if (l->parent != directory)
-+ YBUG();
-
- yaffs_CheckObjectDetailsLoaded(l);
-
- /* Special case for lost-n-found */
- if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
-- if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) {
-+ if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0)
- return l;
-- }
-- } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0)
-- {
-- /* LostnFound cunk called Objxxx
-+ } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) {
-+ /* LostnFound chunk called Objxxx
- * Do a real check
- */
- yaffs_GetObjectName(l, buffer,
- YAFFS_MAX_NAME_LENGTH);
-- if (yaffs_strncmp(name, buffer,YAFFS_MAX_NAME_LENGTH) == 0) {
-+ if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
- return l;
-- }
--
- }
- }
- }
-@@ -6710,10 +6793,10 @@ yaffs_Object *yaffs_FindObjectByName(yaf
-
-
- #if 0
--int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
-- int (*fn) (yaffs_Object *))
-+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
-+ int (*fn) (yaffs_Object *))
- {
-- struct list_head *i;
-+ struct ylist_head *i;
- yaffs_Object *l;
-
- if (!theDir) {
-@@ -6722,20 +6805,21 @@ int yaffs_ApplyToDirectoryChildren(yaffs
- ("tragedy: yaffs_FindObjectByName: null pointer directory"
- TENDSTR)));
- YBUG();
-+ return YAFFS_FAIL;
- }
- if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR)));
- YBUG();
-+ return YAFFS_FAIL;
- }
-
-- list_for_each(i, &theDir->variant.directoryVariant.children) {
-+ ylist_for_each(i, &theDir->variant.directoryVariant.children) {
- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- if (l && !fn(l)) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ if (l && !fn(l))
- return YAFFS_FAIL;
-- }
- }
- }
-
-@@ -6748,7 +6832,7 @@ int yaffs_ApplyToDirectoryChildren(yaffs
- * actual object.
- */
-
--yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj)
-+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj)
- {
- if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- /* We want the object id of the equivalent object, not this one */
-@@ -6756,10 +6840,9 @@ yaffs_Object *yaffs_GetEquivalentObject(
- yaffs_CheckObjectDetailsLoaded(obj);
- }
- return obj;
--
- }
-
--int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize)
-+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize)
- {
- memset(name, 0, buffSize * sizeof(YCHAR));
-
-@@ -6767,18 +6850,26 @@ int yaffs_GetObjectName(yaffs_Object * o
-
- if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
- yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1);
-- } else if (obj->chunkId <= 0) {
-+ } else if (obj->hdrChunk <= 0) {
- YCHAR locName[20];
-+ YCHAR numString[20];
-+ YCHAR *x = &numString[19];
-+ unsigned v = obj->objectId;
-+ numString[19] = 0;
-+ while (v > 0) {
-+ x--;
-+ *x = '0' + (v % 10);
-+ v /= 10;
-+ }
- /* make up a name */
-- yaffs_sprintf(locName, _Y("%s%d"), YAFFS_LOSTNFOUND_PREFIX,
-- obj->objectId);
-+ yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX);
-+ yaffs_strcat(locName, x);
- yaffs_strncpy(name, locName, buffSize - 1);
-
- }
- #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-- else if (obj->shortName[0]) {
-+ else if (obj->shortName[0])
- yaffs_strcpy(name, obj->shortName);
-- }
- #endif
- else {
- int result;
-@@ -6788,9 +6879,9 @@ int yaffs_GetObjectName(yaffs_Object * o
-
- memset(buffer, 0, obj->myDev->nDataBytesPerChunk);
-
-- if (obj->chunkId >= 0) {
-+ if (obj->hdrChunk > 0) {
- result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev,
-- obj->chunkId, buffer,
-+ obj->hdrChunk, buffer,
- NULL);
- }
- yaffs_strncpy(name, oh->name, buffSize - 1);
-@@ -6801,46 +6892,43 @@ int yaffs_GetObjectName(yaffs_Object * o
- return yaffs_strlen(name);
- }
-
--int yaffs_GetObjectFileLength(yaffs_Object * obj)
-+int yaffs_GetObjectFileLength(yaffs_Object *obj)
- {
--
- /* Dereference any hard linking */
- obj = yaffs_GetEquivalentObject(obj);
-
-- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- return obj->variant.fileVariant.fileSize;
-- }
-- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
- return yaffs_strlen(obj->variant.symLinkVariant.alias);
-- } else {
-+ else {
- /* Only a directory should drop through to here */
- return obj->myDev->nDataBytesPerChunk;
- }
- }
-
--int yaffs_GetObjectLinkCount(yaffs_Object * obj)
-+int yaffs_GetObjectLinkCount(yaffs_Object *obj)
- {
- int count = 0;
-- struct list_head *i;
-+ struct ylist_head *i;
-
-- if (!obj->unlinked) {
-- count++; /* the object itself */
-- }
-- list_for_each(i, &obj->hardLinks) {
-- count++; /* add the hard links; */
-- }
-- return count;
-+ if (!obj->unlinked)
-+ count++; /* the object itself */
-+
-+ ylist_for_each(i, &obj->hardLinks)
-+ count++; /* add the hard links; */
-
-+ return count;
- }
-
--int yaffs_GetObjectInode(yaffs_Object * obj)
-+int yaffs_GetObjectInode(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-
- return obj->objectId;
- }
-
--unsigned yaffs_GetObjectType(yaffs_Object * obj)
-+unsigned yaffs_GetObjectType(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-
-@@ -6872,19 +6960,18 @@ unsigned yaffs_GetObjectType(yaffs_Objec
- }
- }
-
--YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj)
-+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
- return yaffs_CloneString(obj->variant.symLinkVariant.alias);
-- } else {
-+ else
- return yaffs_CloneString(_Y(""));
-- }
- }
-
- #ifndef CONFIG_YAFFS_WINCE
-
--int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr)
-+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr)
- {
- unsigned int valid = attr->ia_valid;
-
-@@ -6910,7 +6997,7 @@ int yaffs_SetAttributes(yaffs_Object * o
- return YAFFS_OK;
-
- }
--int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr)
-+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr)
- {
- unsigned int valid = 0;
-
-@@ -6934,13 +7021,12 @@ int yaffs_GetAttributes(yaffs_Object * o
- attr->ia_valid = valid;
-
- return YAFFS_OK;
--
- }
-
- #endif
-
- #if 0
--int yaffs_DumpObject(yaffs_Object * obj)
-+int yaffs_DumpObject(yaffs_Object *obj)
- {
- YCHAR name[257];
-
-@@ -6951,7 +7037,7 @@ int yaffs_DumpObject(yaffs_Object * obj)
- ("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d"
- " chunk %d type %d size %d\n"
- TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name,
-- obj->dirty, obj->valid, obj->serial, obj->sum, obj->chunkId,
-+ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk,
- yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj)));
-
- return YAFFS_OK;
-@@ -6960,7 +7046,7 @@ int yaffs_DumpObject(yaffs_Object * obj)
-
- /*---------------------------- Initialisation code -------------------------------------- */
-
--static int yaffs_CheckDevFunctions(const yaffs_Device * dev)
-+static int yaffs_CheckDevFunctions(const yaffs_Device *dev)
- {
-
- /* Common functions, gotta have */
-@@ -7011,7 +7097,7 @@ static int yaffs_CreateInitialDirectorie
- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND,
- YAFFS_LOSTNFOUND_MODE | S_IFDIR);
-
-- if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){
-+ if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) {
- yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir);
- return YAFFS_OK;
- }
-@@ -7019,7 +7105,7 @@ static int yaffs_CreateInitialDirectorie
- return YAFFS_FAIL;
- }
-
--int yaffs_GutsInitialise(yaffs_Device * dev)
-+int yaffs_GutsInitialise(yaffs_Device *dev)
- {
- int init_failed = 0;
- unsigned x;
-@@ -7040,6 +7126,8 @@ int yaffs_GutsInitialise(yaffs_Device *
- dev->chunkOffset = 0;
- dev->nFreeChunks = 0;
-
-+ dev->gcBlock = -1;
-+
- if (dev->startBlock == 0) {
- dev->internalStartBlock = dev->startBlock + 1;
- dev->internalEndBlock = dev->endBlock + 1;
-@@ -7049,18 +7137,18 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- /* Check geometry parameters. */
-
-- if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) ||
-- (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) ||
-+ if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) ||
-+ (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) ||
-+ (dev->inbandTags && !dev->isYaffs2) ||
- dev->nChunksPerBlock < 2 ||
- dev->nReservedBlocks < 2 ||
- dev->internalStartBlock <= 0 ||
- dev->internalEndBlock <= 0 ||
-- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small
-- ) {
-+ dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
-- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s "
-- TENDSTR), dev->nDataBytesPerChunk, dev->isYaffs2 ? "2" : ""));
-+ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d "
-+ TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags));
- return YAFFS_FAIL;
- }
-
-@@ -7070,6 +7158,12 @@ int yaffs_GutsInitialise(yaffs_Device *
- return YAFFS_FAIL;
- }
-
-+ /* Sort out space for inband tags, if required */
-+ if (dev->inbandTags)
-+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart);
-+ else
-+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk;
-+
- /* Got the right mix of functions? */
- if (!yaffs_CheckDevFunctions(dev)) {
- /* Function missing */
-@@ -7097,31 +7191,18 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- dev->isMounted = 1;
-
--
--
- /* OK now calculate a few things for the device */
-
- /*
- * Calculate all the chunk size manipulation numbers:
- */
-- /* Start off assuming it is a power of 2 */
-- dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk);
-- dev->chunkMask = (1<<dev->chunkShift) - 1;
--
-- if(dev->nDataBytesPerChunk == (dev->chunkMask + 1)){
-- /* Yes it is a power of 2, disable crumbs */
-- dev->crumbMask = 0;
-- dev->crumbShift = 0;
-- dev->crumbsPerChunk = 0;
-- } else {
-- /* Not a power of 2, use crumbs instead */
-- dev->crumbShift = ShiftDiv(sizeof(yaffs_PackedTags2TagsPart));
-- dev->crumbMask = (1<<dev->crumbShift)-1;
-- dev->crumbsPerChunk = dev->nDataBytesPerChunk/(1 << dev->crumbShift);
-- dev->chunkShift = 0;
-- dev->chunkMask = 0;
-- }
--
-+ x = dev->nDataBytesPerChunk;
-+ /* We always use dev->chunkShift and dev->chunkDiv */
-+ dev->chunkShift = Shifts(x);
-+ x >>= dev->chunkShift;
-+ dev->chunkDiv = x;
-+ /* We only use chunk mask if chunkDiv is 1 */
-+ dev->chunkMask = (1<<dev->chunkShift) - 1;
-
- /*
- * Calculate chunkGroupBits.
-@@ -7133,16 +7214,15 @@ int yaffs_GutsInitialise(yaffs_Device *
- bits = ShiftsGE(x);
-
- /* Set up tnode width if wide tnodes are enabled. */
-- if(!dev->wideTnodesDisabled){
-+ if (!dev->wideTnodesDisabled) {
- /* bits must be even so that we end up with 32-bit words */
-- if(bits & 1)
-+ if (bits & 1)
- bits++;
-- if(bits < 16)
-+ if (bits < 16)
- dev->tnodeWidth = 16;
- else
- dev->tnodeWidth = bits;
-- }
-- else
-+ } else
- dev->tnodeWidth = 16;
-
- dev->tnodeMask = (1<<dev->tnodeWidth)-1;
-@@ -7193,7 +7273,7 @@ int yaffs_GutsInitialise(yaffs_Device *
- dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */
-
- /* Initialise temporary buffers and caches. */
-- if(!yaffs_InitialiseTempBuffers(dev))
-+ if (!yaffs_InitialiseTempBuffers(dev))
- init_failed = 1;
-
- dev->srCache = NULL;
-@@ -7203,25 +7283,26 @@ int yaffs_GutsInitialise(yaffs_Device *
- if (!init_failed &&
- dev->nShortOpCaches > 0) {
- int i;
-- __u8 *buf;
-+ void *buf;
- int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache);
-
-- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) {
-+ if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES)
- dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES;
-- }
-
-- buf = dev->srCache = YMALLOC(srCacheBytes);
-+ dev->srCache = YMALLOC(srCacheBytes);
-
-- if(dev->srCache)
-- memset(dev->srCache,0,srCacheBytes);
-+ buf = (__u8 *) dev->srCache;
-+
-+ if (dev->srCache)
-+ memset(dev->srCache, 0, srCacheBytes);
-
- for (i = 0; i < dev->nShortOpCaches && buf; i++) {
- dev->srCache[i].object = NULL;
- dev->srCache[i].lastUse = 0;
- dev->srCache[i].dirty = 0;
-- dev->srCache[i].data = buf = YMALLOC_DMA(dev->nDataBytesPerChunk);
-+ dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk);
- }
-- if(!buf)
-+ if (!buf)
- init_failed = 1;
-
- dev->srLastUse = 0;
-@@ -7229,29 +7310,30 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- dev->cacheHits = 0;
-
-- if(!init_failed){
-+ if (!init_failed) {
- dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32));
-- if(!dev->gcCleanupList)
-+ if (!dev->gcCleanupList)
- init_failed = 1;
- }
-
-- if (dev->isYaffs2) {
-+ if (dev->isYaffs2)
- dev->useHeaderFileSize = 1;
-- }
-- if(!init_failed && !yaffs_InitialiseBlocks(dev))
-+
-+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
- init_failed = 1;
-
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
-
-- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
-+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
- init_failed = 1;
-
-
-- if(!init_failed){
-+ if (!init_failed) {
- /* Now scan the flash. */
- if (dev->isYaffs2) {
-- if(yaffs_CheckpointRestore(dev)) {
-+ if (yaffs_CheckpointRestore(dev)) {
-+ yaffs_CheckObjectDetailsLoaded(dev->rootDir);
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: restored from checkpoint" TENDSTR)));
- } else {
-@@ -7273,24 +7355,25 @@ int yaffs_GutsInitialise(yaffs_Device *
- dev->nBackgroundDeletions = 0;
- dev->oldestDirtySequence = 0;
-
-- if(!init_failed && !yaffs_InitialiseBlocks(dev))
-+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
- init_failed = 1;
-
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
-
-- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
-+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
- init_failed = 1;
-
-- if(!init_failed && !yaffs_ScanBackwards(dev))
-+ if (!init_failed && !yaffs_ScanBackwards(dev))
- init_failed = 1;
- }
-- }else
-- if(!yaffs_Scan(dev))
-+ } else if (!yaffs_Scan(dev))
- init_failed = 1;
-+
-+ yaffs_StripDeletedObjects(dev);
- }
-
-- if(init_failed){
-+ if (init_failed) {
- /* Clean up the mess */
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR)));
-@@ -7318,7 +7401,7 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- }
-
--void yaffs_Deinitialise(yaffs_Device * dev)
-+void yaffs_Deinitialise(yaffs_Device *dev)
- {
- if (dev->isMounted) {
- int i;
-@@ -7330,7 +7413,7 @@ void yaffs_Deinitialise(yaffs_Device * d
- dev->srCache) {
-
- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if(dev->srCache[i].data)
-+ if (dev->srCache[i].data)
- YFREE(dev->srCache[i].data);
- dev->srCache[i].data = NULL;
- }
-@@ -7341,16 +7424,17 @@ void yaffs_Deinitialise(yaffs_Device * d
-
- YFREE(dev->gcCleanupList);
-
-- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
-+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- YFREE(dev->tempBuffer[i].buffer);
-- }
-
- dev->isMounted = 0;
-- }
-
-+ if (dev->deinitialiseNAND)
-+ dev->deinitialiseNAND(dev);
-+ }
- }
-
--static int yaffs_CountFreeChunks(yaffs_Device * dev)
-+static int yaffs_CountFreeChunks(yaffs_Device *dev)
- {
- int nFree;
- int b;
-@@ -7358,7 +7442,7 @@ static int yaffs_CountFreeChunks(yaffs_D
- yaffs_BlockInfo *blk;
-
- for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock;
-- b++) {
-+ b++) {
- blk = yaffs_GetBlockInfo(dev, b);
-
- switch (blk->blockState) {
-@@ -7373,19 +7457,19 @@ static int yaffs_CountFreeChunks(yaffs_D
- default:
- break;
- }
--
- }
-
- return nFree;
- }
-
--int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev)
-+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev)
- {
- /* This is what we report to the outside world */
-
- int nFree;
- int nDirtyCacheChunks;
- int blocksForCheckpoint;
-+ int i;
-
- #if 1
- nFree = dev->nFreeChunks;
-@@ -7397,12 +7481,9 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
-
- /* Now count the number of dirty chunks in the cache and subtract those */
-
-- {
-- int i;
-- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
-- if (dev->srCache[i].dirty)
-- nDirtyCacheChunks++;
-- }
-+ for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
-+ if (dev->srCache[i].dirty)
-+ nDirtyCacheChunks++;
- }
-
- nFree -= nDirtyCacheChunks;
-@@ -7410,8 +7491,8 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
- nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock);
-
- /* Now we figure out how much to reserve for the checkpoint and report that... */
-- blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
-- if(blocksForCheckpoint < 0)
-+ blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
-+ if (blocksForCheckpoint < 0)
- blocksForCheckpoint = 0;
-
- nFree -= (blocksForCheckpoint * dev->nChunksPerBlock);
-@@ -7425,12 +7506,12 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
-
- static int yaffs_freeVerificationFailures;
-
--static void yaffs_VerifyFreeChunks(yaffs_Device * dev)
-+static void yaffs_VerifyFreeChunks(yaffs_Device *dev)
- {
- int counted;
- int difference;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- counted = yaffs_CountFreeChunks(dev);
-@@ -7447,23 +7528,25 @@ static void yaffs_VerifyFreeChunks(yaffs
-
- /*---------------------------------------- YAFFS test code ----------------------*/
-
--#define yaffs_CheckStruct(structure,syze, name) \
-- if(sizeof(structure) != syze) \
-- { \
-- T(YAFFS_TRACE_ALWAYS,(TSTR("%s should be %d but is %d\n" TENDSTR),\
-- name,syze,sizeof(structure))); \
-- return YAFFS_FAIL; \
-- }
-+#define yaffs_CheckStruct(structure, syze, name) \
-+ do { \
-+ if (sizeof(structure) != syze) { \
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\
-+ name, syze, sizeof(structure))); \
-+ return YAFFS_FAIL; \
-+ } \
-+ } while (0)
-
- static int yaffs_CheckStructures(void)
- {
--/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags") */
--/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion") */
--/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare") */
-+/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */
-+/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */
-+/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */
- #ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG
-- yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode")
-+ yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode");
- #endif
-- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader")
--
-- return YAFFS_OK;
-+#ifndef CONFIG_YAFFS_WINCE
-+ yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
-+#endif
-+ return YAFFS_OK;
- }
---- a/fs/yaffs2/yaffs_guts.h
-+++ b/fs/yaffs2/yaffs_guts.h
-@@ -90,7 +90,7 @@
-
- #define YAFFS_MAX_SHORT_OP_CACHES 20
-
--#define YAFFS_N_TEMP_BUFFERS 4
-+#define YAFFS_N_TEMP_BUFFERS 6
-
- /* We limit the number attempts at sucessfully saving a chunk of data.
- * Small-page devices have 32 pages per block; large-page devices have 64.
-@@ -108,6 +108,9 @@
- #define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000
- #define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xEFFFFF00
-
-+/* Special sequence number for bad block that failed to be marked bad */
-+#define YAFFS_SEQUENCE_BAD_BLOCK 0xFFFF0000
-+
- /* ChunkCache is used for short read/write operations.*/
- typedef struct {
- struct yaffs_ObjectStruct *object;
-@@ -134,11 +137,10 @@ typedef struct {
- typedef struct {
- unsigned chunkId:20;
- unsigned serialNumber:2;
-- unsigned byteCount:10;
-+ unsigned byteCountLSB:10;
- unsigned objectId:18;
- unsigned ecc:12;
-- unsigned unusedStuff:2;
--
-+ unsigned byteCountMSB:2;
- } yaffs_Tags;
-
- typedef union {
-@@ -277,13 +279,13 @@ typedef struct {
-
- int softDeletions:10; /* number of soft deleted pages */
- int pagesInUse:10; /* number of pages in use */
-- yaffs_BlockState blockState:4; /* One of the above block states */
-+ unsigned blockState:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */
- __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */
-- /* and retire the block. */
-- __u32 skipErasedCheck: 1; /* If this is set we can skip the erased check on this block */
-- __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block.
-+ /* and retire the block. */
-+ __u32 skipErasedCheck:1; /* If this is set we can skip the erased check on this block */
-+ __u32 gcPrioritise:1; /* An ECC check or blank check has failed on this block.
- It should be prioritised for GC */
-- __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
-+ __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
-
- #ifdef CONFIG_YAFFS_YAFFS2
- __u32 hasShrinkHeader:1; /* This block has at least one shrink object header */
-@@ -300,11 +302,11 @@ typedef struct {
-
- /* Apply to everything */
- int parentObjectId;
-- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
-+ __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
-
-- /* Thes following apply to directories, files, symlinks - not hard links */
-- __u32 yst_mode; /* protection */
-+ /* The following apply to directories, files, symlinks - not hard links */
-+ __u32 yst_mode; /* protection */
-
- #ifdef CONFIG_YAFFS_WINCE
- __u32 notForWinCE[5];
-@@ -331,11 +333,14 @@ typedef struct {
- __u32 win_ctime[2];
- __u32 win_atime[2];
- __u32 win_mtime[2];
-- __u32 roomToGrow[4];
- #else
-- __u32 roomToGrow[10];
-+ __u32 roomToGrow[6];
-+
- #endif
-+ __u32 inbandShadowsObject;
-+ __u32 inbandIsShrink;
-
-+ __u32 reservedSpace[2];
- int shadowsObject; /* This object header shadows the specified object if > 0 */
-
- /* isShrink applies to object headers written when we shrink the file (ie resize) */
-@@ -381,7 +386,7 @@ typedef struct {
- } yaffs_FileStructure;
-
- typedef struct {
-- struct list_head children; /* list of child links */
-+ struct ylist_head children; /* list of child links */
- } yaffs_DirectoryStructure;
-
- typedef struct {
-@@ -418,23 +423,24 @@ struct yaffs_ObjectStruct {
- * still in the inode cache. Free of object is defered.
- * until the inode is released.
- */
-+ __u8 beingCreated:1; /* This object is still being created so skip some checks. */
-
- __u8 serial; /* serial number of chunk in NAND. Cached here */
- __u16 sum; /* sum of the name to speed searching */
-
-- struct yaffs_DeviceStruct *myDev; /* The device I'm on */
-+ struct yaffs_DeviceStruct *myDev; /* The device I'm on */
-
-- struct list_head hashLink; /* list of objects in this hash bucket */
-+ struct ylist_head hashLink; /* list of objects in this hash bucket */
-
-- struct list_head hardLinks; /* all the equivalent hard linked objects */
-+ struct ylist_head hardLinks; /* all the equivalent hard linked objects */
-
- /* directory structure stuff */
- /* also used for linking up the free list */
- struct yaffs_ObjectStruct *parent;
-- struct list_head siblings;
-+ struct ylist_head siblings;
-
- /* Where's my object header in NAND? */
-- int chunkId;
-+ int hdrChunk;
-
- int nDataChunks; /* Number of data chunks attached to the file. */
-
-@@ -485,7 +491,7 @@ struct yaffs_ObjectList_struct {
- typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
-
- typedef struct {
-- struct list_head list;
-+ struct ylist_head list;
- int count;
- } yaffs_ObjectBucket;
-
-@@ -495,11 +501,10 @@ typedef struct {
- */
-
- typedef struct {
-- int structType;
-+ int structType;
- __u32 objectId;
- __u32 parentId;
-- int chunkId;
--
-+ int hdrChunk;
- yaffs_ObjectType variantType:3;
- __u8 deleted:1;
- __u8 softDeleted:1;
-@@ -511,8 +516,7 @@ typedef struct {
-
- int nDataChunks;
- __u32 fileSizeOrEquivalentObjectId;
--
--}yaffs_CheckpointObject;
-+} yaffs_CheckpointObject;
-
- /*--------------------- Temporary buffers ----------------
- *
-@@ -528,13 +532,13 @@ typedef struct {
- /*----------------- Device ---------------------------------*/
-
- struct yaffs_DeviceStruct {
-- struct list_head devList;
-+ struct ylist_head devList;
- const char *name;
-
- /* Entry parameters set up way early. Yaffs sets up the rest.*/
- int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */
- int nChunksPerBlock; /* does not need to be a power of 2 */
-- int nBytesPerSpare; /* spare area size */
-+ int spareBytesPerChunk; /* spare area size */
- int startBlock; /* Start block we're allowed to use */
- int endBlock; /* End block we're allowed to use */
- int nReservedBlocks; /* We want this tuneable so that we can reduce */
-@@ -544,9 +548,7 @@ struct yaffs_DeviceStruct {
- /* Stuff used by the shared space checkpointing mechanism */
- /* If this value is zero, then this mechanism is disabled */
-
-- int nCheckpointReservedBlocks; /* Blocks to reserve for checkpoint data */
--
--
-+/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */
-
-
- int nShortOpCaches; /* If <= 0, then short op caching is disabled, else
-@@ -560,30 +562,31 @@ struct yaffs_DeviceStruct {
- void *genericDevice; /* Pointer to device context
- * On an mtd this holds the mtd pointer.
- */
-- void *superBlock;
-+ void *superBlock;
-
- /* NAND access functions (Must be set before calling YAFFS)*/
-
-- int (*writeChunkToNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, const __u8 * data,
-- const yaffs_Spare * spare);
-- int (*readChunkFromNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, __u8 * data,
-- yaffs_Spare * spare);
-- int (*eraseBlockInNAND) (struct yaffs_DeviceStruct * dev,
-- int blockInNAND);
-- int (*initialiseNAND) (struct yaffs_DeviceStruct * dev);
-+ int (*writeChunkToNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, const __u8 *data,
-+ const yaffs_Spare *spare);
-+ int (*readChunkFromNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, __u8 *data,
-+ yaffs_Spare *spare);
-+ int (*eraseBlockInNAND) (struct yaffs_DeviceStruct *dev,
-+ int blockInNAND);
-+ int (*initialiseNAND) (struct yaffs_DeviceStruct *dev);
-+ int (*deinitialiseNAND) (struct yaffs_DeviceStruct *dev);
-
- #ifdef CONFIG_YAFFS_YAFFS2
-- int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, const __u8 * data,
-- const yaffs_ExtendedTags * tags);
-- int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, __u8 * data,
-- yaffs_ExtendedTags * tags);
-- int (*markNANDBlockBad) (struct yaffs_DeviceStruct * dev, int blockNo);
-- int (*queryNANDBlock) (struct yaffs_DeviceStruct * dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+ int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, __u8 *data,
-+ yaffs_ExtendedTags *tags);
-+ int (*markNANDBlockBad) (struct yaffs_DeviceStruct *dev, int blockNo);
-+ int (*queryNANDBlock) (struct yaffs_DeviceStruct *dev, int blockNo,
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
- #endif
-
- int isYaffs2;
-@@ -595,10 +598,12 @@ struct yaffs_DeviceStruct {
- void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
-
- /* Callback to mark the superblock dirsty */
-- void (*markSuperBlockDirty)(void * superblock);
-+ void (*markSuperBlockDirty)(void *superblock);
-
- int wideTnodesDisabled; /* Set to disable wide tnodes */
-
-+ YCHAR *pathDividers; /* String of legal path dividers */
-+
-
- /* End of stuff that must be set before initialisation. */
-
-@@ -615,16 +620,14 @@ struct yaffs_DeviceStruct {
- __u32 tnodeWidth;
- __u32 tnodeMask;
-
-- /* Stuff to support various file offses to chunk/offset translations */
-- /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */
-- __u32 crumbMask;
-- __u32 crumbShift;
-- __u32 crumbsPerChunk;
--
-- /* Straight shifting for nDataBytesPerChunk being a power of 2 */
-- __u32 chunkShift;
-- __u32 chunkMask;
--
-+ /* Stuff for figuring out file offset to chunk conversions */
-+ __u32 chunkShift; /* Shift value */
-+ __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */
-+ __u32 chunkMask; /* Mask to use for power-of-2 case */
-+
-+ /* Stuff to handle inband tags */
-+ int inbandTags;
-+ __u32 totalBytesPerChunk;
-
- #ifdef __KERNEL__
-
-@@ -633,7 +636,7 @@ struct yaffs_DeviceStruct {
- __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer
- * at compile time so we have to allocate it.
- */
-- void (*putSuperFunc) (struct super_block * sb);
-+ void (*putSuperFunc) (struct super_block *sb);
- #endif
-
- int isMounted;
-@@ -663,6 +666,8 @@ struct yaffs_DeviceStruct {
- __u32 checkpointSum;
- __u32 checkpointXor;
-
-+ int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */
-+
- /* Block Info */
- yaffs_BlockInfo *blockInfo;
- __u8 *chunkBits; /* bitmap of chunks in use */
-@@ -684,11 +689,15 @@ struct yaffs_DeviceStruct {
- yaffs_TnodeList *allocatedTnodeList;
-
- int isDoingGC;
-+ int gcBlock;
-+ int gcChunk;
-
- int nObjectsCreated;
- yaffs_Object *freeObjects;
- int nFreeObjects;
-
-+ int nHardLinks;
-+
- yaffs_ObjectList *allocatedObjectList;
-
- yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS];
-@@ -745,8 +754,10 @@ struct yaffs_DeviceStruct {
- int nBackgroundDeletions; /* Count of background deletions. */
-
-
-+ /* Temporary buffer management */
- yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS];
- int maxTemp;
-+ int tempInUse;
- int unmanagedTempAllocations;
- int unmanagedTempDeallocations;
-
-@@ -758,9 +769,9 @@ struct yaffs_DeviceStruct {
-
- typedef struct yaffs_DeviceStruct yaffs_Device;
-
--/* The static layout of bllock usage etc is stored in the super block header */
-+/* The static layout of block usage etc is stored in the super block header */
- typedef struct {
-- int StructType;
-+ int StructType;
- int version;
- int checkpointStartBlock;
- int checkpointEndBlock;
-@@ -773,7 +784,7 @@ typedef struct {
- * must be preserved over unmount/mount cycles.
- */
- typedef struct {
-- int structType;
-+ int structType;
- int nErasedBlocks;
- int allocationBlock; /* Current block being allocated off */
- __u32 allocationPage;
-@@ -791,57 +802,45 @@ typedef struct {
-
-
- typedef struct {
-- int structType;
-- __u32 magic;
-- __u32 version;
-- __u32 head;
-+ int structType;
-+ __u32 magic;
-+ __u32 version;
-+ __u32 head;
- } yaffs_CheckpointValidity;
-
--/* Function to manipulate block info */
--static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
--{
-- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
-- T(YAFFS_TRACE_ERROR,
-- (TSTR
-- ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
-- blk));
-- YBUG();
-- }
-- return &dev->blockInfo[blk - dev->internalStartBlock];
--}
-
- /*----------------------- YAFFS Functions -----------------------*/
-
--int yaffs_GutsInitialise(yaffs_Device * dev);
--void yaffs_Deinitialise(yaffs_Device * dev);
-+int yaffs_GutsInitialise(yaffs_Device *dev);
-+void yaffs_Deinitialise(yaffs_Device *dev);
-
--int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev);
-+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev);
-
--int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
-- yaffs_Object * newDir, const YCHAR * newName);
-+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
-+ yaffs_Object *newDir, const YCHAR *newName);
-
--int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name);
--int yaffs_DeleteFile(yaffs_Object * obj);
-+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name);
-+int yaffs_DeleteObject(yaffs_Object *obj);
-
--int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize);
--int yaffs_GetObjectFileLength(yaffs_Object * obj);
--int yaffs_GetObjectInode(yaffs_Object * obj);
--unsigned yaffs_GetObjectType(yaffs_Object * obj);
--int yaffs_GetObjectLinkCount(yaffs_Object * obj);
-+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize);
-+int yaffs_GetObjectFileLength(yaffs_Object *obj);
-+int yaffs_GetObjectInode(yaffs_Object *obj);
-+unsigned yaffs_GetObjectType(yaffs_Object *obj);
-+int yaffs_GetObjectLinkCount(yaffs_Object *obj);
-
--int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr);
--int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr);
-+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr);
-+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr);
-
- /* File operations */
--int yaffs_ReadDataFromFile(yaffs_Object * obj, __u8 * buffer, loff_t offset,
-- int nBytes);
--int yaffs_WriteDataToFile(yaffs_Object * obj, const __u8 * buffer, loff_t offset,
-- int nBytes, int writeThrough);
--int yaffs_ResizeFile(yaffs_Object * obj, loff_t newSize);
--
--yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid);
--int yaffs_FlushFile(yaffs_Object * obj, int updateTime);
-+int yaffs_ReadDataFromFile(yaffs_Object *obj, __u8 *buffer, loff_t offset,
-+ int nBytes);
-+int yaffs_WriteDataToFile(yaffs_Object *obj, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough);
-+int yaffs_ResizeFile(yaffs_Object *obj, loff_t newSize);
-+
-+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid);
-+int yaffs_FlushFile(yaffs_Object *obj, int updateTime);
-
- /* Flushing and checkpointing */
- void yaffs_FlushEntireDeviceCache(yaffs_Device *dev);
-@@ -850,33 +849,33 @@ int yaffs_CheckpointSave(yaffs_Device *d
- int yaffs_CheckpointRestore(yaffs_Device *dev);
-
- /* Directory operations */
--yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid);
--yaffs_Object *yaffs_FindObjectByName(yaffs_Object * theDir, const YCHAR * name);
--int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
-+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid);
-+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *theDir, const YCHAR *name);
-+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
- int (*fn) (yaffs_Object *));
-
--yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number);
-+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number);
-
- /* Link operations */
--yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
-- yaffs_Object * equivalentObject);
-+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
-+ yaffs_Object *equivalentObject);
-
--yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj);
-+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj);
-
- /* Symlink operations */
--yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
-+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid,
-- const YCHAR * alias);
--YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj);
-+ const YCHAR *alias);
-+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj);
-
- /* Special inodes (fifos, sockets and devices) */
--yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
-+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid, __u32 rdev);
-
- /* Special directories */
--yaffs_Object *yaffs_Root(yaffs_Device * dev);
--yaffs_Object *yaffs_LostNFound(yaffs_Device * dev);
-+yaffs_Object *yaffs_Root(yaffs_Device *dev);
-+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev);
-
- #ifdef CONFIG_YAFFS_WINCE
- /* CONFIG_YAFFS_WINCE special stuff */
-@@ -885,18 +884,21 @@ void yfsd_WinFileTimeNow(__u32 target[2]
-
- #ifdef __KERNEL__
-
--void yaffs_HandleDeferedFree(yaffs_Object * obj);
-+void yaffs_HandleDeferedFree(yaffs_Object *obj);
- #endif
-
- /* Debug dump */
--int yaffs_DumpObject(yaffs_Object * obj);
-+int yaffs_DumpObject(yaffs_Object *obj);
-
--void yaffs_GutsTest(yaffs_Device * dev);
-+void yaffs_GutsTest(yaffs_Device *dev);
-
- /* A few useful functions */
--void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
--void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn);
--int yaffs_CheckFF(__u8 * buffer, int nBytes);
-+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
-+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn);
-+int yaffs_CheckFF(__u8 *buffer, int nBytes);
- void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi);
-
-+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
-+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
-+
- #endif
---- a/fs/yaffs2/yaffs_mtdif1.c
-+++ b/fs/yaffs2/yaffs_mtdif1.c
-@@ -26,7 +26,7 @@
- #include "yportenv.h"
- #include "yaffs_guts.h"
- #include "yaffs_packedtags1.h"
--#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC
-+#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
-
- #include "linux/kernel.h"
- #include "linux/version.h"
-@@ -34,9 +34,9 @@
- #include "linux/mtd/mtd.h"
-
- /* Don't compile this module if we don't have MTD's mtd_oob_ops interface */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
-
--const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.3 2007/05/15 20:16:11 ian Exp $";
-+const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $";
-
- #ifndef CONFIG_YAFFS_9BYTE_TAGS
- # define YTAG1_SIZE 8
-@@ -89,9 +89,9 @@ static struct nand_ecclayout nand_oob_16
- * Returns YAFFS_OK or YAFFS_FAIL.
- */
- int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
-- int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags)
-+ int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int chunkBytes = dev->nDataBytesPerChunk;
- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
- struct mtd_oob_ops ops;
-@@ -146,7 +146,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
-
- /* Return with empty ExtendedTags but add eccResult.
- */
--static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval)
-+static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval)
- {
- if (etags) {
- memset(etags, 0, sizeof(*etags));
-@@ -169,9 +169,9 @@ static int rettags(yaffs_ExtendedTags *
- * Returns YAFFS_OK or YAFFS_FAIL.
- */
- int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
-- int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags)
-+ int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int chunkBytes = dev->nDataBytesPerChunk;
- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
- int eccres = YAFFS_ECC_RESULT_NO_ERROR;
-@@ -189,7 +189,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- ops.datbuf = data;
- ops.oobbuf = (__u8 *)&pt1;
-
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20))
- /* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug;
- * help it out with ops.len = ops.ooblen when ops.datbuf == NULL.
- */
-@@ -284,11 +284,11 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- */
- int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
- int retval;
-
-- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo);
-+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
-
- retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
- return (retval) ? YAFFS_FAIL : YAFFS_OK;
-@@ -298,7 +298,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaf
- *
- * Returns YAFFS_OK or YAFFS_FAIL.
- */
--static int nandmtd1_TestPrerequists(struct mtd_info * mtd)
-+static int nandmtd1_TestPrerequists(struct mtd_info *mtd)
- {
- /* 2.6.18 has mtd->ecclayout->oobavail */
- /* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */
-@@ -323,10 +323,11 @@ static int nandmtd1_TestPrerequists(stru
- * Always returns YAFFS_OK.
- */
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * pState, int *pSequenceNumber)
-+ yaffs_BlockState *pState, __u32 *pSequenceNumber)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int chunkNo = blockNo * dev->nChunksPerBlock;
-+ loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
- yaffs_ExtendedTags etags;
- int state = YAFFS_BLOCK_STATE_DEAD;
- int seqnum = 0;
-@@ -335,21 +336,22 @@ int nandmtd1_QueryNANDBlock(struct yaffs
- /* We don't yet have a good place to test for MTD config prerequists.
- * Do it here as we are called during the initial scan.
- */
-- if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) {
-+ if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK)
- return YAFFS_FAIL;
-- }
-
- retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
-+ etags.blockBad = (mtd->block_isbad)(mtd, addr);
- if (etags.blockBad) {
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
-- "block %d is marked bad", blockNo);
-+ "block %d is marked bad\n", blockNo);
- state = YAFFS_BLOCK_STATE_DEAD;
-- }
-- else if (etags.chunkUsed) {
-+ } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
-+ /* bad tags, need to look more closely */
-+ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
-+ } else if (etags.chunkUsed) {
- state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
- seqnum = etags.sequenceNumber;
-- }
-- else {
-+ } else {
- state = YAFFS_BLOCK_STATE_EMPTY;
- }
-
-@@ -360,4 +362,4 @@ int nandmtd1_QueryNANDBlock(struct yaffs
- return YAFFS_OK;
- }
-
--#endif /*KERNEL_VERSION*/
-+#endif /*MTD_VERSION*/
---- a/fs/yaffs2/yaffs_mtdif1.h
-+++ b/fs/yaffs2/yaffs_mtdif1.h
-@@ -14,15 +14,15 @@
- #ifndef __YAFFS_MTDIF1_H__
- #define __YAFFS_MTDIF1_H__
-
--int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data, const yaffs_ExtendedTags * tags);
-+int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data, const yaffs_ExtendedTags *tags);
-
--int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * data, yaffs_ExtendedTags * tags);
-+int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *data, yaffs_ExtendedTags *tags);
-
- int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
-
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
-
- #endif
---- a/fs/yaffs2/yaffs_mtdif2.c
-+++ b/fs/yaffs2/yaffs_mtdif2.c
-@@ -14,7 +14,7 @@
- /* mtd interface for YAFFS2 */
-
- const char *yaffs_mtdif2_c_version =
-- "$Id: yaffs_mtdif2.c,v 1.17 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $";
-
- #include "yportenv.h"
-
-@@ -27,19 +27,23 @@ const char *yaffs_mtdif2_c_version =
-
- #include "yaffs_packedtags2.h"
-
--int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags)
-+/* NB For use with inband tags....
-+ * We assume that the data buffer is of size totalBytersPerChunk so that we can also
-+ * use it to load the tags.
-+ */
-+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #else
- size_t dummy;
- #endif
- int retval = 0;
-
-- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-+ loff_t addr;
-
- yaffs_PackedTags2 pt;
-
-@@ -48,46 +52,40 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- if (tags)
-- yaffs_PackTags2(&pt, tags);
-- else
-- BUG(); /* both tags and data should always be present */
-
-- if (data) {
-- ops.mode = MTD_OOB_AUTO;
-- ops.ooblen = sizeof(pt);
-- ops.len = dev->nDataBytesPerChunk;
-- ops.ooboffs = 0;
-- ops.datbuf = (__u8 *)data;
-- ops.oobbuf = (void *)&pt;
-- retval = mtd->write_oob(mtd, addr, &ops);
-+ addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
-+
-+ /* For yaffs2 writing there must be both data and tags.
-+ * If we're using inband tags, then the tags are stuffed into
-+ * the end of the data buffer.
-+ */
-+ if (!data || !tags)
-+ BUG();
-+ else if (dev->inbandTags) {
-+ yaffs_PackedTags2TagsPart *pt2tp;
-+ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
-+ yaffs_PackTags2TagsPart(pt2tp, tags);
- } else
-- BUG(); /* both tags and data should always be present */
--#else
-- if (tags) {
- yaffs_PackTags2(&pt, tags);
-- }
-
-- if (data && tags) {
-- if (dev->useNANDECC)
-- retval =
-- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
-- &dummy, data, (__u8 *) & pt, NULL);
-- else
-- retval =
-- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
-- &dummy, data, (__u8 *) & pt, NULL);
-- } else {
-- if (data)
-- retval =
-- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy,
-- data);
-- if (tags)
-- retval =
-- mtd->write_oob(mtd, addr, mtd->oobsize, &dummy,
-- (__u8 *) & pt);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ ops.mode = MTD_OOB_AUTO;
-+ ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt);
-+ ops.len = dev->totalBytesPerChunk;
-+ ops.ooboffs = 0;
-+ ops.datbuf = (__u8 *)data;
-+ ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt;
-+ retval = mtd->write_oob(mtd, addr, &ops);
-
-+#else
-+ if (!dev->inbandTags) {
-+ retval =
-+ mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
-+ &dummy, data, (__u8 *) &pt, NULL);
-+ } else {
-+ retval =
-+ mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy,
-+ data);
- }
- #endif
-
-@@ -97,17 +95,18 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- return YAFFS_FAIL;
- }
-
--int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * data, yaffs_ExtendedTags * tags)
-+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *data, yaffs_ExtendedTags *tags)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #endif
- size_t dummy;
- int retval = 0;
-+ int localData = 0;
-
-- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-+ loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
-
- yaffs_PackedTags2 pt;
-
-@@ -116,9 +115,20 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- if (data && !tags)
-- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
-+ if (dev->inbandTags) {
-+
-+ if (!data) {
-+ localData = 1;
-+ data = yaffs_GetTempBuffer(dev, __LINE__);
-+ }
-+
-+
-+ }
-+
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ if (dev->inbandTags || (data && !tags))
-+ retval = mtd->read(mtd, addr, dev->totalBytesPerChunk,
- &dummy, data);
- else if (tags) {
- ops.mode = MTD_OOB_AUTO;
-@@ -130,38 +140,42 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- retval = mtd->read_oob(mtd, addr, &ops);
- }
- #else
-- if (data && tags) {
-- if (dev->useNANDECC) {
-- retval =
-- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
-- &dummy, data, dev->spareBuffer,
-- NULL);
-- } else {
-- retval =
-- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
-+ if (!dev->inbandTags && data && tags) {
-+
-+ retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, dev->spareBuffer,
- NULL);
-- }
- } else {
- if (data)
- retval =
- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
- data);
-- if (tags)
-+ if (!dev->inbandTags && tags)
- retval =
- mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
- dev->spareBuffer);
- }
- #endif
-
-- memcpy(&pt, dev->spareBuffer, sizeof(pt));
-
-- if (tags)
-- yaffs_UnpackTags2(tags, &pt);
-+ if (dev->inbandTags) {
-+ if (tags) {
-+ yaffs_PackedTags2TagsPart *pt2tp;
-+ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
-+ yaffs_UnpackTags2TagsPart(tags, pt2tp);
-+ }
-+ } else {
-+ if (tags) {
-+ memcpy(&pt, dev->spareBuffer, sizeof(pt));
-+ yaffs_UnpackTags2(tags, &pt);
-+ }
-+ }
-+
-+ if (localData)
-+ yaffs_ReleaseTempBuffer(dev, data, __LINE__);
-
-- if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
-+ if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
--
- if (retval == 0)
- return YAFFS_OK;
- else
-@@ -178,7 +192,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
- retval =
- mtd->block_markbad(mtd,
- blockNo * dev->nChunksPerBlock *
-- dev->nDataBytesPerChunk);
-+ dev->totalBytesPerChunk);
-
- if (retval == 0)
- return YAFFS_OK;
-@@ -188,7 +202,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
- }
-
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber)
-+ yaffs_BlockState *state, __u32 *sequenceNumber)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- int retval;
-@@ -198,7 +212,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs
- retval =
- mtd->block_isbad(mtd,
- blockNo * dev->nChunksPerBlock *
-- dev->nDataBytesPerChunk);
-+ dev->totalBytesPerChunk);
-
- if (retval) {
- T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
---- a/fs/yaffs2/yaffs_mtdif2.h
-+++ b/fs/yaffs2/yaffs_mtdif2.h
-@@ -17,13 +17,13 @@
- #define __YAFFS_MTDIF2_H__
-
- #include "yaffs_guts.h"
--int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags);
--int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * data, yaffs_ExtendedTags * tags);
-+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *data, yaffs_ExtendedTags *tags);
- int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
-
- #endif
---- a/fs/yaffs2/yaffs_mtdif.c
-+++ b/fs/yaffs2/yaffs_mtdif.c
-@@ -12,7 +12,7 @@
- */
-
- const char *yaffs_mtdif_c_version =
-- "$Id: yaffs_mtdif.c,v 1.19 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $";
-
- #include "yportenv.h"
-
-@@ -24,7 +24,7 @@ const char *yaffs_mtdif_c_version =
- #include "linux/time.h"
- #include "linux/mtd/nand.h"
-
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
-+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
- static struct nand_oobinfo yaffs_oobinfo = {
- .useecc = 1,
- .eccbytes = 6,
-@@ -36,7 +36,7 @@ static struct nand_oobinfo yaffs_noeccin
- };
- #endif
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob)
- {
- oob[0] = spare->tagByte0;
-@@ -45,8 +45,8 @@ static inline void translate_spare2oob(c
- oob[3] = spare->tagByte3;
- oob[4] = spare->tagByte4;
- oob[5] = spare->tagByte5 & 0x3f;
-- oob[5] |= spare->blockStatus == 'Y' ? 0: 0x80;
-- oob[5] |= spare->pageStatus == 0 ? 0: 0x40;
-+ oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80;
-+ oob[5] |= spare->pageStatus == 0 ? 0 : 0x40;
- oob[6] = spare->tagByte6;
- oob[7] = spare->tagByte7;
- }
-@@ -71,18 +71,18 @@ static inline void translate_oob2spare(y
- }
- #endif
-
--int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data, const yaffs_Spare * spare)
-+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data, const yaffs_Spare *spare)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #endif
- size_t dummy;
- int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- __u8 spareAsBytes[8]; /* OOB */
-
- if (data && !spare)
-@@ -135,18 +135,18 @@ int nandmtd_WriteChunkToNAND(yaffs_Devic
- return YAFFS_FAIL;
- }
-
--int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
-- yaffs_Spare * spare)
-+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
-+ yaffs_Spare *spare)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #endif
- size_t dummy;
- int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- __u8 spareAsBytes[8]; /* OOB */
-
- if (data && !spare)
-@@ -205,7 +205,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Devi
- return YAFFS_FAIL;
- }
-
--int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
-+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- __u32 addr =
-@@ -234,7 +234,7 @@ int nandmtd_EraseBlockInNAND(yaffs_Devic
- return YAFFS_FAIL;
- }
-
--int nandmtd_InitialiseNAND(yaffs_Device * dev)
-+int nandmtd_InitialiseNAND(yaffs_Device *dev)
- {
- return YAFFS_OK;
- }
---- a/fs/yaffs2/yaffs_mtdif.h
-+++ b/fs/yaffs2/yaffs_mtdif.h
-@@ -18,10 +18,15 @@
-
- #include "yaffs_guts.h"
-
--int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data, const yaffs_Spare * spare);
--int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
-- yaffs_Spare * spare);
--int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber);
--int nandmtd_InitialiseNAND(yaffs_Device * dev);
-+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
-+extern struct nand_oobinfo yaffs_oobinfo;
-+extern struct nand_oobinfo yaffs_noeccinfo;
-+#endif
-+
-+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data, const yaffs_Spare *spare);
-+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
-+ yaffs_Spare *spare);
-+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
-+int nandmtd_InitialiseNAND(yaffs_Device *dev);
- #endif
---- a/fs/yaffs2/yaffs_nand.c
-+++ b/fs/yaffs2/yaffs_nand.c
-@@ -12,16 +12,17 @@
- */
-
- const char *yaffs_nand_c_version =
-- "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey Exp $";
-
- #include "yaffs_nand.h"
- #include "yaffs_tagscompat.h"
- #include "yaffs_tagsvalidity.h"
-
-+#include "yaffs_getblockinfo.h"
-
--int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * buffer,
-- yaffs_ExtendedTags * tags)
-+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *buffer,
-+ yaffs_ExtendedTags *tags)
- {
- int result;
- yaffs_ExtendedTags localTags;
-@@ -29,7 +30,7 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
- int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
-
- /* If there are no tags provided, use local tags to get prioritised gc working */
-- if(!tags)
-+ if (!tags)
- tags = &localTags;
-
- if (dev->readChunkWithTagsFromNAND)
-@@ -40,20 +41,20 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
- realignedChunkInNAND,
- buffer,
- tags);
-- if(tags &&
-- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
-+ if (tags &&
-+ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
-
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
-- yaffs_HandleChunkError(dev,bi);
-+ yaffs_HandleChunkError(dev, bi);
- }
-
- return result;
- }
-
--int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
-+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
- int chunkInNAND,
-- const __u8 * buffer,
-- yaffs_ExtendedTags * tags)
-+ const __u8 *buffer,
-+ yaffs_ExtendedTags *tags)
- {
- chunkInNAND -= dev->chunkOffset;
-
-@@ -84,7 +85,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs
- tags);
- }
-
--int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
-+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo)
- {
- blockNo -= dev->blockOffset;
-
-@@ -95,10 +96,10 @@ int yaffs_MarkBlockBad(yaffs_Device * de
- return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
- }
-
--int yaffs_QueryInitialBlockState(yaffs_Device * dev,
-+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
- int blockNo,
-- yaffs_BlockState * state,
-- unsigned *sequenceNumber)
-+ yaffs_BlockState *state,
-+ __u32 *sequenceNumber)
- {
- blockNo -= dev->blockOffset;
-
---- a/fs/yaffs2/yaffs_nandemul2k.h
-+++ b/fs/yaffs2/yaffs_nandemul2k.h
-@@ -21,14 +21,14 @@
- #include "yaffs_guts.h"
-
- int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND, const __u8 * data,
-- yaffs_ExtendedTags * tags);
-+ int chunkInNAND, const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
- int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND, __u8 * data,
-- yaffs_ExtendedTags * tags);
-+ int chunkInNAND, __u8 *data,
-+ yaffs_ExtendedTags *tags);
- int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
- int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
- int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
- int blockInNAND);
- int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev);
---- a/fs/yaffs2/yaffs_nand.h
-+++ b/fs/yaffs2/yaffs_nand.h
-@@ -19,21 +19,21 @@
-
-
-
--int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * buffer,
-- yaffs_ExtendedTags * tags);
--
--int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- const __u8 * buffer,
-- yaffs_ExtendedTags * tags);
--
--int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo);
--
--int yaffs_QueryInitialBlockState(yaffs_Device * dev,
-- int blockNo,
-- yaffs_BlockState * state,
-- unsigned *sequenceNumber);
-+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *buffer,
-+ yaffs_ExtendedTags *tags);
-+
-+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *buffer,
-+ yaffs_ExtendedTags *tags);
-+
-+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo);
-+
-+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
-+ int blockNo,
-+ yaffs_BlockState *state,
-+ unsigned *sequenceNumber);
-
- int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
- int blockInNAND);
---- a/fs/yaffs2/yaffs_packedtags1.c
-+++ b/fs/yaffs2/yaffs_packedtags1.c
-@@ -14,7 +14,7 @@
- #include "yaffs_packedtags1.h"
- #include "yportenv.h"
-
--void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t)
-+void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t)
- {
- pt->chunkId = t->chunkId;
- pt->serialNumber = t->serialNumber;
-@@ -27,7 +27,7 @@ void yaffs_PackTags1(yaffs_PackedTags1 *
-
- }
-
--void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt)
-+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt)
- {
- static const __u8 allFF[] =
- { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-@@ -35,9 +35,8 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag
-
- if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
- t->blockBad = 0;
-- if (pt->shouldBeFF != 0xFFFFFFFF) {
-+ if (pt->shouldBeFF != 0xFFFFFFFF)
- t->blockBad = 1;
-- }
- t->chunkUsed = 1;
- t->objectId = pt->objectId;
- t->chunkId = pt->chunkId;
-@@ -47,6 +46,5 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag
- t->serialNumber = pt->serialNumber;
- } else {
- memset(t, 0, sizeof(yaffs_ExtendedTags));
--
- }
- }
---- a/fs/yaffs2/yaffs_packedtags1.h
-+++ b/fs/yaffs2/yaffs_packedtags1.h
-@@ -32,6 +32,6 @@ typedef struct {
-
- } yaffs_PackedTags1;
-
--void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t);
--void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt);
-+void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t);
-+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt);
- #endif
---- a/fs/yaffs2/yaffs_packedtags2.c
-+++ b/fs/yaffs2/yaffs_packedtags2.c
-@@ -37,60 +37,68 @@
- #define EXTRA_OBJECT_TYPE_SHIFT (28)
- #define EXTRA_OBJECT_TYPE_MASK ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT)
-
--static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt)
-+
-+static void yaffs_DumpPackedTags2TagsPart(const yaffs_PackedTags2TagsPart *ptt)
- {
- T(YAFFS_TRACE_MTD,
- (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
-- pt->t.objectId, pt->t.chunkId, pt->t.byteCount,
-- pt->t.sequenceNumber));
-+ ptt->objectId, ptt->chunkId, ptt->byteCount,
-+ ptt->sequenceNumber));
-+}
-+static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 *pt)
-+{
-+ yaffs_DumpPackedTags2TagsPart(&pt->t);
- }
-
--static void yaffs_DumpTags2(const yaffs_ExtendedTags * t)
-+static void yaffs_DumpTags2(const yaffs_ExtendedTags *t)
- {
- T(YAFFS_TRACE_MTD,
- (TSTR
-- ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte "
-- "%d del %d ser %d seq %d"
-+ ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d"
- TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId,
- t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber,
- t->sequenceNumber));
-
- }
-
--void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
-+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt,
-+ const yaffs_ExtendedTags *t)
- {
-- pt->t.chunkId = t->chunkId;
-- pt->t.sequenceNumber = t->sequenceNumber;
-- pt->t.byteCount = t->byteCount;
-- pt->t.objectId = t->objectId;
-+ ptt->chunkId = t->chunkId;
-+ ptt->sequenceNumber = t->sequenceNumber;
-+ ptt->byteCount = t->byteCount;
-+ ptt->objectId = t->objectId;
-
- if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
- /* Store the extra header info instead */
- /* We save the parent object in the chunkId */
-- pt->t.chunkId = EXTRA_HEADER_INFO_FLAG
-+ ptt->chunkId = EXTRA_HEADER_INFO_FLAG
- | t->extraParentObjectId;
-- if (t->extraIsShrinkHeader) {
-- pt->t.chunkId |= EXTRA_SHRINK_FLAG;
-- }
-- if (t->extraShadows) {
-- pt->t.chunkId |= EXTRA_SHADOWS_FLAG;
-- }
-+ if (t->extraIsShrinkHeader)
-+ ptt->chunkId |= EXTRA_SHRINK_FLAG;
-+ if (t->extraShadows)
-+ ptt->chunkId |= EXTRA_SHADOWS_FLAG;
-
-- pt->t.objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-- pt->t.objectId |=
-+ ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-+ ptt->objectId |=
- (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
-
-- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
-- pt->t.byteCount = t->extraEquivalentObjectId;
-- } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) {
-- pt->t.byteCount = t->extraFileLength;
-- } else {
-- pt->t.byteCount = 0;
-- }
-+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ ptt->byteCount = t->extraEquivalentObjectId;
-+ else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE)
-+ ptt->byteCount = t->extraFileLength;
-+ else
-+ ptt->byteCount = 0;
- }
-
-- yaffs_DumpPackedTags2(pt);
-+ yaffs_DumpPackedTags2TagsPart(ptt);
- yaffs_DumpTags2(t);
-+}
-+
-+
-+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t)
-+{
-+ yaffs_PackTags2TagsPart(&pt->t, t);
-
- #ifndef YAFFS_IGNORE_TAGS_ECC
- {
-@@ -101,82 +109,98 @@ void yaffs_PackTags2(yaffs_PackedTags2 *
- #endif
- }
-
--void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
-+
-+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t,
-+ yaffs_PackedTags2TagsPart *ptt)
- {
-
- memset(t, 0, sizeof(yaffs_ExtendedTags));
-
- yaffs_InitialiseTags(t);
-
-- if (pt->t.sequenceNumber != 0xFFFFFFFF) {
-- /* Page is in use */
--#ifdef YAFFS_IGNORE_TAGS_ECC
-- {
-- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-- }
--#else
-- {
-- yaffs_ECCOther ecc;
-- int result;
-- yaffs_ECCCalculateOther((unsigned char *)&pt->t,
-- sizeof
-- (yaffs_PackedTags2TagsPart),
-- &ecc);
-- result =
-- yaffs_ECCCorrectOther((unsigned char *)&pt->t,
-- sizeof
-- (yaffs_PackedTags2TagsPart),
-- &pt->ecc, &ecc);
-- switch(result){
-- case 0:
-- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-- break;
-- case 1:
-- t->eccResult = YAFFS_ECC_RESULT_FIXED;
-- break;
-- case -1:
-- t->eccResult = YAFFS_ECC_RESULT_UNFIXED;
-- break;
-- default:
-- t->eccResult = YAFFS_ECC_RESULT_UNKNOWN;
-- }
-- }
--#endif
-+ if (ptt->sequenceNumber != 0xFFFFFFFF) {
- t->blockBad = 0;
- t->chunkUsed = 1;
-- t->objectId = pt->t.objectId;
-- t->chunkId = pt->t.chunkId;
-- t->byteCount = pt->t.byteCount;
-+ t->objectId = ptt->objectId;
-+ t->chunkId = ptt->chunkId;
-+ t->byteCount = ptt->byteCount;
- t->chunkDeleted = 0;
- t->serialNumber = 0;
-- t->sequenceNumber = pt->t.sequenceNumber;
-+ t->sequenceNumber = ptt->sequenceNumber;
-
- /* Do extra header info stuff */
-
-- if (pt->t.chunkId & EXTRA_HEADER_INFO_FLAG) {
-+ if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
- t->chunkId = 0;
- t->byteCount = 0;
-
- t->extraHeaderInfoAvailable = 1;
- t->extraParentObjectId =
-- pt->t.chunkId & (~(ALL_EXTRA_FLAGS));
-+ ptt->chunkId & (~(ALL_EXTRA_FLAGS));
- t->extraIsShrinkHeader =
-- (pt->t.chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
-+ (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
- t->extraShadows =
-- (pt->t.chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
-+ (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
- t->extraObjectType =
-- pt->t.objectId >> EXTRA_OBJECT_TYPE_SHIFT;
-+ ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
- t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-
-- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
-- t->extraEquivalentObjectId = pt->t.byteCount;
-- } else {
-- t->extraFileLength = pt->t.byteCount;
-+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ t->extraEquivalentObjectId = ptt->byteCount;
-+ else
-+ t->extraFileLength = ptt->byteCount;
-+ }
-+ }
-+
-+ yaffs_DumpPackedTags2TagsPart(ptt);
-+ yaffs_DumpTags2(t);
-+
-+}
-+
-+
-+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt)
-+{
-+
-+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-+
-+ if (pt->t.sequenceNumber != 0xFFFFFFFF) {
-+ /* Page is in use */
-+#ifndef YAFFS_IGNORE_TAGS_ECC
-+ {
-+ yaffs_ECCOther ecc;
-+ int result;
-+ yaffs_ECCCalculateOther((unsigned char *)&pt->t,
-+ sizeof
-+ (yaffs_PackedTags2TagsPart),
-+ &ecc);
-+ result =
-+ yaffs_ECCCorrectOther((unsigned char *)&pt->t,
-+ sizeof
-+ (yaffs_PackedTags2TagsPart),
-+ &pt->ecc, &ecc);
-+ switch (result) {
-+ case 0:
-+ eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-+ break;
-+ case 1:
-+ eccResult = YAFFS_ECC_RESULT_FIXED;
-+ break;
-+ case -1:
-+ eccResult = YAFFS_ECC_RESULT_UNFIXED;
-+ break;
-+ default:
-+ eccResult = YAFFS_ECC_RESULT_UNKNOWN;
- }
- }
-+#endif
- }
-
-+ yaffs_UnpackTags2TagsPart(t, &pt->t);
-+
-+ t->eccResult = eccResult;
-+
- yaffs_DumpPackedTags2(pt);
- yaffs_DumpTags2(t);
-
- }
-+
---- a/fs/yaffs2/yaffs_packedtags2.h
-+++ b/fs/yaffs2/yaffs_packedtags2.h
-@@ -33,6 +33,11 @@ typedef struct {
- yaffs_ECCOther ecc;
- } yaffs_PackedTags2;
-
--void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t);
--void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt);
-+/* Full packed tags with ECC, used for oob tags */
-+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t);
-+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt);
-+
-+/* Only the tags part (no ECC for use with inband tags */
-+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
-+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt);
- #endif
---- a/fs/yaffs2/yaffs_qsort.c
-+++ b/fs/yaffs2/yaffs_qsort.c
-@@ -28,12 +28,12 @@
- */
-
- #include "yportenv.h"
--//#include <linux/string.h>
-+/* #include <linux/string.h> */
-
- /*
- * Qsort routine from Bentley & McIlroy's "Engineering a Sort Function".
- */
--#define swapcode(TYPE, parmi, parmj, n) { \
-+#define swapcode(TYPE, parmi, parmj, n) do { \
- long i = (n) / sizeof (TYPE); \
- register TYPE *pi = (TYPE *) (parmi); \
- register TYPE *pj = (TYPE *) (parmj); \
-@@ -41,28 +41,29 @@
- register TYPE t = *pi; \
- *pi++ = *pj; \
- *pj++ = t; \
-- } while (--i > 0); \
--}
-+ } while (--i > 0); \
-+} while (0)
-
- #define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \
-- es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;
-+ es % sizeof(long) ? 2 : es == sizeof(long) ? 0 : 1;
-
- static __inline void
- swapfunc(char *a, char *b, int n, int swaptype)
- {
- if (swaptype <= 1)
-- swapcode(long, a, b, n)
-+ swapcode(long, a, b, n);
- else
-- swapcode(char, a, b, n)
-+ swapcode(char, a, b, n);
- }
-
--#define swap(a, b) \
-+#define yswap(a, b) do { \
- if (swaptype == 0) { \
- long t = *(long *)(a); \
- *(long *)(a) = *(long *)(b); \
- *(long *)(b) = t; \
- } else \
-- swapfunc(a, b, es, swaptype)
-+ swapfunc(a, b, es, swaptype); \
-+} while (0)
-
- #define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype)
-
-@@ -70,12 +71,12 @@ static __inline char *
- med3(char *a, char *b, char *c, int (*cmp)(const void *, const void *))
- {
- return cmp(a, b) < 0 ?
-- (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))
-- :(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ));
-+ (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a))
-+ : (cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c));
- }
-
- #ifndef min
--#define min(a,b) (((a) < (b)) ? (a) : (b))
-+#define min(a, b) (((a) < (b)) ? (a) : (b))
- #endif
-
- void
-@@ -92,7 +93,7 @@ loop: SWAPINIT(a, es);
- for (pm = (char *)a + es; pm < (char *) a + n * es; pm += es)
- for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
- pl -= es)
-- swap(pl, pl - es);
-+ yswap(pl, pl - es);
- return;
- }
- pm = (char *)a + (n / 2) * es;
-@@ -107,7 +108,7 @@ loop: SWAPINIT(a, es);
- }
- pm = med3(pl, pm, pn, cmp);
- }
-- swap(a, pm);
-+ yswap(a, pm);
- pa = pb = (char *)a + es;
-
- pc = pd = (char *)a + (n - 1) * es;
-@@ -115,7 +116,7 @@ loop: SWAPINIT(a, es);
- while (pb <= pc && (r = cmp(pb, a)) <= 0) {
- if (r == 0) {
- swap_cnt = 1;
-- swap(pa, pb);
-+ yswap(pa, pb);
- pa += es;
- }
- pb += es;
-@@ -123,14 +124,14 @@ loop: SWAPINIT(a, es);
- while (pb <= pc && (r = cmp(pc, a)) >= 0) {
- if (r == 0) {
- swap_cnt = 1;
-- swap(pc, pd);
-+ yswap(pc, pd);
- pd -= es;
- }
- pc -= es;
- }
- if (pb > pc)
- break;
-- swap(pb, pc);
-+ yswap(pb, pc);
- swap_cnt = 1;
- pb += es;
- pc -= es;
-@@ -139,7 +140,7 @@ loop: SWAPINIT(a, es);
- for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es)
- for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
- pl -= es)
-- swap(pl, pl - es);
-+ yswap(pl, pl - es);
- return;
- }
-
-@@ -148,9 +149,11 @@ loop: SWAPINIT(a, es);
- vecswap(a, pb - r, r);
- r = min((long)(pd - pc), (long)(pn - pd - es));
- vecswap(pb, pn - r, r);
-- if ((r = pb - pa) > es)
-+ r = pb - pa;
-+ if (r > es)
- yaffs_qsort(a, r / es, es, cmp);
-- if ((r = pd - pc) > es) {
-+ r = pd - pc;
-+ if (r > es) {
- /* Iterate rather than recurse to save stack space */
- a = pn - r;
- n = r / es;
---- a/fs/yaffs2/yaffs_qsort.h
-+++ b/fs/yaffs2/yaffs_qsort.h
-@@ -17,7 +17,7 @@
- #ifndef __YAFFS_QSORT_H__
- #define __YAFFS_QSORT_H__
-
--extern void yaffs_qsort (void *const base, size_t total_elems, size_t size,
-- int (*cmp)(const void *, const void *));
-+extern void yaffs_qsort(void *const base, size_t total_elems, size_t size,
-+ int (*cmp)(const void *, const void *));
-
- #endif
---- a/fs/yaffs2/yaffs_tagscompat.c
-+++ b/fs/yaffs2/yaffs_tagscompat.c
-@@ -14,16 +14,17 @@
- #include "yaffs_guts.h"
- #include "yaffs_tagscompat.h"
- #include "yaffs_ecc.h"
-+#include "yaffs_getblockinfo.h"
-
--static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND);
-+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND);
- #ifdef NOTYET
--static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND);
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_Spare * spare);
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_Spare * spare);
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND);
-+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND);
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_Spare *spare);
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_Spare *spare);
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND);
- #endif
-
- static const char yaffs_countBitsTable[256] = {
-@@ -54,13 +55,13 @@ int yaffs_CountBits(__u8 x)
-
- /********** Tags ECC calculations *********/
-
--void yaffs_CalcECC(const __u8 * data, yaffs_Spare * spare)
-+void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare)
- {
- yaffs_ECCCalculate(data, spare->ecc1);
- yaffs_ECCCalculate(&data[256], spare->ecc2);
- }
-
--void yaffs_CalcTagsECC(yaffs_Tags * tags)
-+void yaffs_CalcTagsECC(yaffs_Tags *tags)
- {
- /* Calculate an ecc */
-
-@@ -74,9 +75,8 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags
- for (i = 0; i < 8; i++) {
- for (j = 1; j & 0xff; j <<= 1) {
- bit++;
-- if (b[i] & j) {
-+ if (b[i] & j)
- ecc ^= bit;
-- }
- }
- }
-
-@@ -84,7 +84,7 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags
-
- }
-
--int yaffs_CheckECCOnTags(yaffs_Tags * tags)
-+int yaffs_CheckECCOnTags(yaffs_Tags *tags)
- {
- unsigned ecc = tags->ecc;
-
-@@ -115,8 +115,8 @@ int yaffs_CheckECCOnTags(yaffs_Tags * ta
-
- /********** Tags **********/
-
--static void yaffs_LoadTagsIntoSpare(yaffs_Spare * sparePtr,
-- yaffs_Tags * tagsPtr)
-+static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr,
-+ yaffs_Tags *tagsPtr)
- {
- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
-
-@@ -132,8 +132,8 @@ static void yaffs_LoadTagsIntoSpare(yaff
- sparePtr->tagByte7 = tu->asBytes[7];
- }
-
--static void yaffs_GetTagsFromSpare(yaffs_Device * dev, yaffs_Spare * sparePtr,
-- yaffs_Tags * tagsPtr)
-+static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr,
-+ yaffs_Tags *tagsPtr)
- {
- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
- int result;
-@@ -148,21 +148,20 @@ static void yaffs_GetTagsFromSpare(yaffs
- tu->asBytes[7] = sparePtr->tagByte7;
-
- result = yaffs_CheckECCOnTags(tagsPtr);
-- if (result > 0) {
-+ if (result > 0)
- dev->tagsEccFixed++;
-- } else if (result < 0) {
-+ else if (result < 0)
- dev->tagsEccUnfixed++;
-- }
- }
-
--static void yaffs_SpareInitialise(yaffs_Spare * spare)
-+static void yaffs_SpareInitialise(yaffs_Spare *spare)
- {
- memset(spare, 0xFF, sizeof(yaffs_Spare));
- }
-
- static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND, const __u8 * data,
-- yaffs_Spare * spare)
-+ int chunkInNAND, const __u8 *data,
-+ yaffs_Spare *spare)
- {
- if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) {
- T(YAFFS_TRACE_ERROR,
-@@ -177,9 +176,9 @@ static int yaffs_WriteChunkToNAND(struct
-
- static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev,
- int chunkInNAND,
-- __u8 * data,
-- yaffs_Spare * spare,
-- yaffs_ECCResult * eccResult,
-+ __u8 *data,
-+ yaffs_Spare *spare,
-+ yaffs_ECCResult *eccResult,
- int doErrorCorrection)
- {
- int retVal;
-@@ -252,9 +251,11 @@ static int yaffs_ReadChunkFromNAND(struc
- /* Must allocate enough memory for spare+2*sizeof(int) */
- /* for ecc results from device. */
- struct yaffs_NANDSpare nspare;
-- retVal =
-- dev->readChunkFromNAND(dev, chunkInNAND, data,
-- (yaffs_Spare *) & nspare);
-+
-+ memset(&nspare, 0, sizeof(nspare));
-+
-+ retVal = dev->readChunkFromNAND(dev, chunkInNAND, data,
-+ (yaffs_Spare *) &nspare);
- memcpy(spare, &nspare, sizeof(yaffs_Spare));
- if (data && doErrorCorrection) {
- if (nspare.eccres1 > 0) {
-@@ -302,8 +303,7 @@ static int yaffs_ReadChunkFromNAND(struc
- static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
- int chunkInNAND)
- {
--
-- static int init = 0;
-+ static int init;
- static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK];
- static __u8 data[YAFFS_BYTES_PER_CHUNK];
- /* Might as well always allocate the larger size for */
-@@ -331,12 +331,12 @@ static int yaffs_CheckChunkErased(struct
- * Functions for robustisizing
- */
-
--static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND)
-+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND)
- {
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
-
- /* Mark the block for retirement */
-- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1;
-+ yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND));
-
-@@ -348,22 +348,22 @@ static void yaffs_HandleReadDataError(ya
- }
-
- #ifdef NOTYET
--static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND)
-+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND)
- {
- }
-
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_Spare * spare)
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_Spare *spare)
- {
- }
-
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_Spare * spare)
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_Spare *spare)
- {
- }
-
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND)
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND)
- {
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
-
-@@ -373,8 +373,8 @@ static void yaffs_HandleWriteChunkError(
- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
- }
-
--static int yaffs_VerifyCompare(const __u8 * d0, const __u8 * d1,
-- const yaffs_Spare * s0, const yaffs_Spare * s1)
-+static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1,
-+ const yaffs_Spare *s0, const yaffs_Spare *s1)
- {
-
- if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 ||
-@@ -398,28 +398,35 @@ static int yaffs_VerifyCompare(const __u
- }
- #endif /* NOTYET */
-
--int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags *
-- eTags)
-+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *eTags)
- {
- yaffs_Spare spare;
- yaffs_Tags tags;
-
- yaffs_SpareInitialise(&spare);
-
-- if (eTags->chunkDeleted) {
-+ if (eTags->chunkDeleted)
- spare.pageStatus = 0;
-- } else {
-+ else {
- tags.objectId = eTags->objectId;
- tags.chunkId = eTags->chunkId;
-- tags.byteCount = eTags->byteCount;
-+
-+ tags.byteCountLSB = eTags->byteCount & 0x3ff;
-+
-+ if (dev->nDataBytesPerChunk >= 1024)
-+ tags.byteCountMSB = (eTags->byteCount >> 10) & 3;
-+ else
-+ tags.byteCountMSB = 3;
-+
-+
- tags.serialNumber = eTags->serialNumber;
-
-- if (!dev->useNANDECC && data) {
-+ if (!dev->useNANDECC && data)
- yaffs_CalcECC(data, &spare);
-- }
-+
- yaffs_LoadTagsIntoSpare(&spare, &tags);
-
- }
-@@ -427,15 +434,15 @@ int yaffs_TagsCompatabilityWriteChunkWit
- return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare);
- }
-
--int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
-+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
- int chunkInNAND,
-- __u8 * data,
-- yaffs_ExtendedTags * eTags)
-+ __u8 *data,
-+ yaffs_ExtendedTags *eTags)
- {
-
- yaffs_Spare spare;
- yaffs_Tags tags;
-- yaffs_ECCResult eccResult;
-+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN;
-
- static yaffs_Spare spareFF;
- static int init;
-@@ -466,7 +473,11 @@ int yaffs_TagsCompatabilityReadChunkWith
-
- eTags->objectId = tags.objectId;
- eTags->chunkId = tags.chunkId;
-- eTags->byteCount = tags.byteCount;
-+ eTags->byteCount = tags.byteCountLSB;
-+
-+ if (dev->nDataBytesPerChunk >= 1024)
-+ eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10);
-+
- eTags->serialNumber = tags.serialNumber;
- }
- }
-@@ -497,9 +508,9 @@ int yaffs_TagsCompatabilityMarkNANDBlock
- }
-
- int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
-- int blockNo, yaffs_BlockState *
-- state,
-- int *sequenceNumber)
-+ int blockNo,
-+ yaffs_BlockState *state,
-+ __u32 *sequenceNumber)
- {
-
- yaffs_Spare spare0, spare1;
---- a/fs/yaffs2/yaffs_tagscompat.h
-+++ b/fs/yaffs2/yaffs_tagscompat.h
-@@ -17,24 +17,23 @@
- #define __YAFFS_TAGSCOMPAT_H__
-
- #include "yaffs_guts.h"
--int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags *
-- tags);
--int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- __u8 * data,
-- yaffs_ExtendedTags *
-- tags);
-+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ __u8 *data,
-+ yaffs_ExtendedTags *tags);
- int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
- int blockNo);
- int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
-- int blockNo, yaffs_BlockState *
-- state, int *sequenceNumber);
-+ int blockNo,
-+ yaffs_BlockState *state,
-+ __u32 *sequenceNumber);
-
--void yaffs_CalcTagsECC(yaffs_Tags * tags);
--int yaffs_CheckECCOnTags(yaffs_Tags * tags);
-+void yaffs_CalcTagsECC(yaffs_Tags *tags);
-+int yaffs_CheckECCOnTags(yaffs_Tags *tags);
- int yaffs_CountBits(__u8 byte);
-
- #endif
---- a/fs/yaffs2/yaffs_tagsvalidity.c
-+++ b/fs/yaffs2/yaffs_tagsvalidity.c
-@@ -13,14 +13,14 @@
-
- #include "yaffs_tagsvalidity.h"
-
--void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
-+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags)
- {
- memset(tags, 0, sizeof(yaffs_ExtendedTags));
- tags->validMarker0 = 0xAAAAAAAA;
- tags->validMarker1 = 0x55555555;
- }
-
--int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
-+int yaffs_ValidateTags(yaffs_ExtendedTags *tags)
- {
- return (tags->validMarker0 == 0xAAAAAAAA &&
- tags->validMarker1 == 0x55555555);
---- a/fs/yaffs2/yaffs_tagsvalidity.h
-+++ b/fs/yaffs2/yaffs_tagsvalidity.h
-@@ -19,6 +19,6 @@
-
- #include "yaffs_guts.h"
-
--void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
--int yaffs_ValidateTags(yaffs_ExtendedTags * tags);
-+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
-+int yaffs_ValidateTags(yaffs_ExtendedTags *tags);
- #endif
---- a/fs/yaffs2/yportenv.h
-+++ b/fs/yaffs2/yportenv.h
-@@ -17,17 +17,28 @@
- #ifndef __YPORTENV_H__
- #define __YPORTENV_H__
-
-+/*
-+ * Define the MTD version in terms of Linux Kernel versions
-+ * This allows yaffs to be used independantly of the kernel
-+ * as well as with it.
-+ */
-+
-+#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
-+
- #if defined CONFIG_YAFFS_WINCE
-
- #include "ywinceenv.h"
-
--#elif defined __KERNEL__
-+#elif defined __KERNEL__
-
- #include "moduleconfig.h"
-
- /* Linux kernel */
-+
- #include <linux/version.h>
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-+#define MTD_VERSION_CODE LINUX_VERSION_CODE
-+
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- #include <linux/config.h>
- #endif
- #include <linux/kernel.h>
-@@ -40,12 +51,13 @@
- #define YCHAR char
- #define YUCHAR unsigned char
- #define _Y(x) x
--#define yaffs_strcpy(a,b) strcpy(a,b)
--#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
--#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
--#define yaffs_strlen(s) strlen(s)
--#define yaffs_sprintf sprintf
--#define yaffs_toupper(a) toupper(a)
-+#define yaffs_strcat(a, b) strcat(a, b)
-+#define yaffs_strcpy(a, b) strcpy(a, b)
-+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-+#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
-+#define yaffs_strlen(s) strlen(s)
-+#define yaffs_sprintf sprintf
-+#define yaffs_toupper(a) toupper(a)
-
- #define Y_INLINE inline
-
-@@ -53,19 +65,19 @@
- #define YAFFS_LOSTNFOUND_PREFIX "obj"
-
- /* #define YPRINTF(x) printk x */
--#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
-+#define YMALLOC(x) kmalloc(x, GFP_NOFS)
- #define YFREE(x) kfree(x)
- #define YMALLOC_ALT(x) vmalloc(x)
- #define YFREE_ALT(x) vfree(x)
- #define YMALLOC_DMA(x) YMALLOC(x)
-
--// KR - added for use in scan so processes aren't blocked indefinitely.
-+/* KR - added for use in scan so processes aren't blocked indefinitely. */
- #define YYIELD() schedule()
-
- #define YAFFS_ROOT_MODE 0666
- #define YAFFS_LOSTNFOUND_MODE 0666
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- #define Y_CURRENT_TIME CURRENT_TIME.tv_sec
- #define Y_TIME_CONVERT(x) (x).tv_sec
- #else
-@@ -73,11 +85,12 @@
- #define Y_TIME_CONVERT(x) (x)
- #endif
-
--#define yaffs_SumCompare(x,y) ((x) == (y))
--#define yaffs_strcmp(a,b) strcmp(a,b)
-+#define yaffs_SumCompare(x, y) ((x) == (y))
-+#define yaffs_strcmp(a, b) strcmp(a, b)
-
- #define TENDSTR "\n"
- #define TSTR(x) KERN_WARNING x
-+#define TCONT(x) x
- #define TOUT(p) printk p
-
- #define yaffs_trace(mask, fmt, args...) \
-@@ -90,6 +103,8 @@
-
- #elif defined CONFIG_YAFFS_DIRECT
-
-+#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22)
-+
- /* Direct interface */
- #include "ydirectenv.h"
-
-@@ -111,11 +126,12 @@
- #define YCHAR char
- #define YUCHAR unsigned char
- #define _Y(x) x
--#define yaffs_strcpy(a,b) strcpy(a,b)
--#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
--#define yaffs_strlen(s) strlen(s)
--#define yaffs_sprintf sprintf
--#define yaffs_toupper(a) toupper(a)
-+#define yaffs_strcat(a, b) strcat(a, b)
-+#define yaffs_strcpy(a, b) strcpy(a, b)
-+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-+#define yaffs_strlen(s) strlen(s)
-+#define yaffs_sprintf sprintf
-+#define yaffs_toupper(a) toupper(a)
-
- #define Y_INLINE inline
-
-@@ -133,8 +149,8 @@
- #define YAFFS_ROOT_MODE 0666
- #define YAFFS_LOSTNFOUND_MODE 0666
-
--#define yaffs_SumCompare(x,y) ((x) == (y))
--#define yaffs_strcmp(a,b) strcmp(a,b)
-+#define yaffs_SumCompare(x, y) ((x) == (y))
-+#define yaffs_strcmp(a, b) strcmp(a, b)
-
- #else
- /* Should have specified a configuration type */
-@@ -178,10 +194,10 @@ extern unsigned int yaffs_wr_attempts;
- #define YAFFS_TRACE_ALWAYS 0xF0000000
-
-
--#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
-+#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
-
--#ifndef CONFIG_YAFFS_WINCE
--#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
-+#ifndef YBUG
-+#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0)
- #endif
-
- #endif
+++ /dev/null
---- a/fs/yaffs2/devextras.h
-+++ b/fs/yaffs2/devextras.h
-@@ -14,194 +14,135 @@
- */
-
- /*
-- * This file is just holds extra declarations used during development.
-- * Most of these are from kernel includes placed here so we can use them in
-- * applications.
-+ * This file is just holds extra declarations of macros that would normally
-+ * be providesd in the Linux kernel. These macros have been written from
-+ * scratch but are functionally equivalent to the Linux ones.
- *
- */
-
- #ifndef __EXTRAS_H__
- #define __EXTRAS_H__
-
--#if defined WIN32
--#define __inline__ __inline
--#define new newHack
--#endif
--
--#if !(defined __KERNEL__) || (defined WIN32)
-
--/* User space defines */
-+#if !(defined __KERNEL__)
-
-+/* Definition of types */
- typedef unsigned char __u8;
- typedef unsigned short __u16;
- typedef unsigned __u32;
-
-+#endif
-+
- /*
-- * Simple doubly linked list implementation.
-- *
-- * Some of the internal functions ("__xxx") are useful when
-- * manipulating whole lists rather than single entries, as
-- * sometimes we already know the next/prev entries and we can
-- * generate better code by using them directly rather than
-- * using the generic single-entry routines.
-+ * This is a simple doubly linked list implementation that matches the
-+ * way the Linux kernel doubly linked list implementation works.
- */
-
--#define prefetch(x) 1
--
--struct list_head {
-- struct list_head *next, *prev;
-+struct ylist_head {
-+ struct ylist_head *next; /* next in chain */
-+ struct ylist_head *prev; /* previous in chain */
- };
-
--#define LIST_HEAD_INIT(name) { &(name), &(name) }
-
--#define LIST_HEAD(name) \
-- struct list_head name = LIST_HEAD_INIT(name)
-+/* Initialise a static list */
-+#define YLIST_HEAD(name) \
-+struct ylist_head name = { &(name), &(name)}
-+
-
--#define INIT_LIST_HEAD(ptr) do { \
-- (ptr)->next = (ptr); (ptr)->prev = (ptr); \
-+
-+/* Initialise a list head to an empty list */
-+#define YINIT_LIST_HEAD(p) \
-+do { \
-+ (p)->next = (p);\
-+ (p)->prev = (p); \
- } while (0)
-
--/*
-- * Insert a new entry between two known consecutive entries.
-- *
-- * This is only for internal list manipulation where we know
-- * the prev/next entries already!
-- */
--static __inline__ void __list_add(struct list_head *new,
-- struct list_head *prev,
-- struct list_head *next)
--{
-- next->prev = new;
-- new->next = next;
-- new->prev = prev;
-- prev->next = new;
--}
-
--/**
-- * list_add - add a new entry
-- * @new: new entry to be added
-- * @head: list head to add it after
-- *
-- * Insert a new entry after the specified head.
-- * This is good for implementing stacks.
-- */
--static __inline__ void list_add(struct list_head *new, struct list_head *head)
-+/* Add an element to a list */
-+static __inline__ void ylist_add(struct ylist_head *newEntry,
-+ struct ylist_head *list)
- {
-- __list_add(new, head, head->next);
--}
-+ struct ylist_head *listNext = list->next;
-+
-+ list->next = newEntry;
-+ newEntry->prev = list;
-+ newEntry->next = listNext;
-+ listNext->prev = newEntry;
-
--/**
-- * list_add_tail - add a new entry
-- * @new: new entry to be added
-- * @head: list head to add it before
-- *
-- * Insert a new entry before the specified head.
-- * This is useful for implementing queues.
-- */
--static __inline__ void list_add_tail(struct list_head *new,
-- struct list_head *head)
--{
-- __list_add(new, head->prev, head);
- }
-
--/*
-- * Delete a list entry by making the prev/next entries
-- * point to each other.
-- *
-- * This is only for internal list manipulation where we know
-- * the prev/next entries already!
-- */
--static __inline__ void __list_del(struct list_head *prev,
-- struct list_head *next)
-+static __inline__ void ylist_add_tail(struct ylist_head *newEntry,
-+ struct ylist_head *list)
- {
-- next->prev = prev;
-- prev->next = next;
-+ struct ylist_head *listPrev = list->prev;
-+
-+ list->prev = newEntry;
-+ newEntry->next = list;
-+ newEntry->prev = listPrev;
-+ listPrev->next = newEntry;
-+
- }
-
--/**
-- * list_del - deletes entry from list.
-- * @entry: the element to delete from the list.
-- * Note: list_empty on entry does not return true after this, the entry is
-- * in an undefined state.
-- */
--static __inline__ void list_del(struct list_head *entry)
-+
-+/* Take an element out of its current list, with or without
-+ * reinitialising the links.of the entry*/
-+static __inline__ void ylist_del(struct ylist_head *entry)
- {
-- __list_del(entry->prev, entry->next);
-+ struct ylist_head *listNext = entry->next;
-+ struct ylist_head *listPrev = entry->prev;
-+
-+ listNext->prev = listPrev;
-+ listPrev->next = listNext;
-+
- }
-
--/**
-- * list_del_init - deletes entry from list and reinitialize it.
-- * @entry: the element to delete from the list.
-- */
--static __inline__ void list_del_init(struct list_head *entry)
-+static __inline__ void ylist_del_init(struct ylist_head *entry)
- {
-- __list_del(entry->prev, entry->next);
-- INIT_LIST_HEAD(entry);
-+ ylist_del(entry);
-+ entry->next = entry->prev = entry;
- }
-
--/**
-- * list_empty - tests whether a list is empty
-- * @head: the list to test.
-- */
--static __inline__ int list_empty(struct list_head *head)
-+
-+/* Test if the list is empty */
-+static __inline__ int ylist_empty(struct ylist_head *entry)
- {
-- return head->next == head;
-+ return (entry->next == entry);
- }
-
--/**
-- * list_splice - join two lists
-- * @list: the new list to add.
-- * @head: the place to add it in the first list.
-+
-+/* ylist_entry takes a pointer to a list entry and offsets it to that
-+ * we can find a pointer to the object it is embedded in.
- */
--static __inline__ void list_splice(struct list_head *list,
-- struct list_head *head)
--{
-- struct list_head *first = list->next;
-
-- if (first != list) {
-- struct list_head *last = list->prev;
-- struct list_head *at = head->next;
--
-- first->prev = head;
-- head->next = first;
--
-- last->next = at;
-- at->prev = last;
-- }
--}
-
--/**
-- * list_entry - get the struct for this entry
-- * @ptr: the &struct list_head pointer.
-- * @type: the type of the struct this is embedded in.
-- * @member: the name of the list_struct within the struct.
-- */
--#define list_entry(ptr, type, member) \
-- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
--
--/**
-- * list_for_each - iterate over a list
-- * @pos: the &struct list_head to use as a loop counter.
-- * @head: the head for your list.
-- */
--#define list_for_each(pos, head) \
-- for (pos = (head)->next, prefetch(pos->next); pos != (head); \
-- pos = pos->next, prefetch(pos->next))
--
--/**
-- * list_for_each_safe - iterate over a list safe against removal
-- * of list entry
-- * @pos: the &struct list_head to use as a loop counter.
-- * @n: another &struct list_head to use as temporary storage
-- * @head: the head for your list.
-- */
--#define list_for_each_safe(pos, n, head) \
-- for (pos = (head)->next, n = pos->next; pos != (head); \
-- pos = n, n = pos->next)
-+#define ylist_entry(entry, type, member) \
-+ ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member)))
-
--/*
-- * File types
-+
-+/* ylist_for_each and list_for_each_safe iterate over lists.
-+ * ylist_for_each_safe uses temporary storage to make the list delete safe
- */
-+
-+#define ylist_for_each(itervar, list) \
-+ for (itervar = (list)->next; itervar != (list); itervar = itervar->next)
-+
-+#define ylist_for_each_safe(itervar, saveVar, list) \
-+ for (itervar = (list)->next, saveVar = (list)->next->next; \
-+ itervar != (list); itervar = saveVar, saveVar = saveVar->next)
-+
-+
-+#if !(defined __KERNEL__)
-+
-+
-+#ifndef WIN32
-+#include <sys/stat.h>
-+#endif
-+
-+
-+#ifdef CONFIG_YAFFS_PROVIDE_DEFS
-+/* File types */
-+
-+
- #define DT_UNKNOWN 0
- #define DT_FIFO 1
- #define DT_CHR 2
-@@ -212,6 +153,7 @@ static __inline__ void list_splice(struc
- #define DT_SOCK 12
- #define DT_WHT 14
-
-+
- #ifndef WIN32
- #include <sys/stat.h>
- #endif
-@@ -227,10 +169,6 @@ static __inline__ void list_splice(struc
- #define ATTR_ATIME 16
- #define ATTR_MTIME 32
- #define ATTR_CTIME 64
--#define ATTR_ATIME_SET 128
--#define ATTR_MTIME_SET 256
--#define ATTR_FORCE 512 /* Not a change, but a change it */
--#define ATTR_ATTR_FLAG 1024
-
- struct iattr {
- unsigned int ia_valid;
-@@ -244,21 +182,15 @@ struct iattr {
- unsigned int ia_attr_flags;
- };
-
--#define KERN_DEBUG
-+#endif
-
- #else
-
--#ifndef WIN32
- #include <linux/types.h>
--#include <linux/list.h>
- #include <linux/fs.h>
- #include <linux/stat.h>
--#endif
-
- #endif
-
--#if defined WIN32
--#undef new
--#endif
-
- #endif
---- a/fs/yaffs2/Kconfig
-+++ b/fs/yaffs2/Kconfig
-@@ -5,7 +5,7 @@
- config YAFFS_FS
- tristate "YAFFS2 file system support"
- default n
-- depends on MTD
-+ depends on MTD_BLOCK
- select YAFFS_YAFFS1
- select YAFFS_YAFFS2
- help
-@@ -43,7 +43,8 @@ config YAFFS_9BYTE_TAGS
- format that you need to continue to support. New data written
- also uses the older-style format. Note: Use of this option
- generally requires that MTD's oob layout be adjusted to use the
-- older-style format. See notes on tags formats and MTD versions.
-+ older-style format. See notes on tags formats and MTD versions
-+ in yaffs_mtdif1.c.
-
- If unsure, say N.
-
-@@ -109,26 +110,6 @@ config YAFFS_DISABLE_LAZY_LOAD
-
- If unsure, say N.
-
--config YAFFS_CHECKPOINT_RESERVED_BLOCKS
-- int "Reserved blocks for checkpointing"
-- depends on YAFFS_YAFFS2
-- default 10
-- help
-- Give the number of Blocks to reserve for checkpointing.
-- Checkpointing saves the state at unmount so that mounting is
-- much faster as a scan of all the flash to regenerate this state
-- is not needed. These Blocks are reserved per partition, so if
-- you have very small partitions the default (10) may be a mess
-- for you. You can set this value to 0, but that does not mean
-- checkpointing is disabled at all. There only won't be any
-- specially reserved blocks for checkpointing, so if there is
-- enough free space on the filesystem, it will be used for
-- checkpointing.
--
-- If unsure, leave at default (10), but don't wonder if there are
-- always 2MB used on your large page device partition (10 x 2k
-- pagesize). When using small partitions or when being very small
-- on space, you probably want to set this to zero.
-
- config YAFFS_DISABLE_WIDE_TNODES
- bool "Turn off wide tnodes"
---- a/fs/yaffs2/Makefile
-+++ b/fs/yaffs2/Makefile
-@@ -5,7 +5,6 @@
- obj-$(CONFIG_YAFFS_FS) += yaffs.o
-
- yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o
--yaffs-y += yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
-+yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
- yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o
--yaffs-y += yaffs_mtdif1.o yaffs_packedtags1.o
--yaffs-y += yaffs_mtdif.o yaffs_mtdif2.o
-+yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o
---- a/fs/yaffs2/moduleconfig.h
-+++ b/fs/yaffs2/moduleconfig.h
-@@ -27,12 +27,12 @@
-
- /* Default: Not selected */
- /* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
--//#define CONFIG_YAFFS_DOES_ECC
-+/* #define CONFIG_YAFFS_DOES_ECC */
-
- /* Default: Not selected */
- /* Meaning: ECC byte order is 'wrong'. Only meaningful if */
- /* CONFIG_YAFFS_DOES_ECC is set */
--//#define CONFIG_YAFFS_ECC_WRONG_ORDER
-+/* #define CONFIG_YAFFS_ECC_WRONG_ORDER */
-
- /* Default: Selected */
- /* Meaning: Disables testing whether chunks are erased before writing to them*/
-@@ -54,11 +54,11 @@ that you need to continue to support. N
- older-style format.
- Note: Use of this option generally requires that MTD's oob layout be
- adjusted to use the older-style format. See notes on tags formats and
--MTD versions.
-+MTD versions in yaffs_mtdif1.c.
- */
- /* Default: Not selected */
- /* Meaning: Use older-style on-NAND data format with pageStatus byte */
--#define CONFIG_YAFFS_9BYTE_TAGS
-+/* #define CONFIG_YAFFS_9BYTE_TAGS */
-
- #endif /* YAFFS_OUT_OF_TREE */
-
---- a/fs/yaffs2/yaffs_checkptrw.c
-+++ b/fs/yaffs2/yaffs_checkptrw.c
-@@ -12,48 +12,43 @@
- */
-
- const char *yaffs_checkptrw_c_version =
-- "$Id: yaffs_checkptrw.c,v 1.14 2007-05-15 20:07:40 charles Exp $";
-+ "$Id: yaffs_checkptrw.c,v 1.18 2009-03-06 17:20:49 wookey Exp $";
-
-
- #include "yaffs_checkptrw.h"
--
-+#include "yaffs_getblockinfo.h"
-
- static int yaffs_CheckpointSpaceOk(yaffs_Device *dev)
- {
--
- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
-
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("checkpt blocks available = %d" TENDSTR),
- blocksAvailable));
-
--
- return (blocksAvailable <= 0) ? 0 : 1;
- }
-
-
- static int yaffs_CheckpointErase(yaffs_Device *dev)
- {
--
- int i;
-
--
-- if(!dev->eraseBlockInNAND)
-+ if (!dev->eraseBlockInNAND)
- return 0;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR),
-- dev->internalStartBlock,dev->internalEndBlock));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR),
-+ dev->internalStartBlock, dev->internalEndBlock));
-
-- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
-- if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("erasing checkpt block %d"TENDSTR),i));
-- if(dev->eraseBlockInNAND(dev,i- dev->blockOffset /* realign */)){
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i));
-+ if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) {
- bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
- dev->nErasedBlocks++;
- dev->nFreeChunks += dev->nChunksPerBlock;
-- }
-- else {
-- dev->markNANDBlockBad(dev,i);
-+ } else {
-+ dev->markNANDBlockBad(dev, i);
- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
- }
- }
-@@ -71,23 +66,23 @@ static void yaffs_CheckpointFindNextEras
- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
- T(YAFFS_TRACE_CHECKPOINT,
- (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR),
-- dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock));
-+ dev->nErasedBlocks, dev->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock));
-
-- if(dev->checkpointNextBlock >= 0 &&
-- dev->checkpointNextBlock <= dev->internalEndBlock &&
-- blocksAvailable > 0){
--
-- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
-- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){
-+ if (dev->checkpointNextBlock >= 0 &&
-+ dev->checkpointNextBlock <= dev->internalEndBlock &&
-+ blocksAvailable > 0) {
-+
-+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) {
- dev->checkpointNextBlock = i + 1;
- dev->checkpointCurrentBlock = i;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("allocating checkpt block %d"TENDSTR),i));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i));
- return;
- }
- }
- }
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR)));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR)));
-
- dev->checkpointNextBlock = -1;
- dev->checkpointCurrentBlock = -1;
-@@ -98,30 +93,31 @@ static void yaffs_CheckpointFindNextChec
- int i;
- yaffs_ExtendedTags tags;
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
- dev->blocksInCheckpoint, dev->checkpointNextBlock));
-
-- if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
-- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
-+ if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
-+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
- int chunk = i * dev->nChunksPerBlock;
- int realignedChunk = chunk - dev->chunkOffset;
-
-- dev->readChunkWithTagsFromNAND(dev,realignedChunk,NULL,&tags);
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
-- i, tags.objectId,tags.sequenceNumber,tags.eccResult));
-+ dev->readChunkWithTagsFromNAND(dev, realignedChunk,
-+ NULL, &tags);
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
-+ i, tags.objectId, tags.sequenceNumber, tags.eccResult));
-
-- if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){
-+ if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
- /* Right kind of block */
- dev->checkpointNextBlock = tags.objectId;
- dev->checkpointCurrentBlock = i;
- dev->checkpointBlockList[dev->blocksInCheckpoint] = i;
- dev->blocksInCheckpoint++;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found checkpt block %d"TENDSTR),i));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i));
- return;
- }
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found no more checkpt blocks"TENDSTR)));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR)));
-
- dev->checkpointNextBlock = -1;
- dev->checkpointCurrentBlock = -1;
-@@ -133,17 +129,17 @@ int yaffs_CheckpointOpen(yaffs_Device *d
-
- /* Got the functions we need? */
- if (!dev->writeChunkWithTagsToNAND ||
-- !dev->readChunkWithTagsFromNAND ||
-- !dev->eraseBlockInNAND ||
-- !dev->markNANDBlockBad)
-+ !dev->readChunkWithTagsFromNAND ||
-+ !dev->eraseBlockInNAND ||
-+ !dev->markNANDBlockBad)
- return 0;
-
-- if(forWriting && !yaffs_CheckpointSpaceOk(dev))
-+ if (forWriting && !yaffs_CheckpointSpaceOk(dev))
- return 0;
-
-- if(!dev->checkpointBuffer)
-- dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk);
-- if(!dev->checkpointBuffer)
-+ if (!dev->checkpointBuffer)
-+ dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk);
-+ if (!dev->checkpointBuffer)
- return 0;
-
-
-@@ -159,12 +155,10 @@ int yaffs_CheckpointOpen(yaffs_Device *d
- dev->checkpointNextBlock = dev->internalStartBlock;
-
- /* Erase all the blocks in the checkpoint area */
-- if(forWriting){
-- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
-+ if (forWriting) {
-+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
- dev->checkpointByteOffset = 0;
- return yaffs_CheckpointErase(dev);
--
--
- } else {
- int i;
- /* Set to a value that will kick off a read */
-@@ -174,7 +168,7 @@ int yaffs_CheckpointOpen(yaffs_Device *d
- dev->blocksInCheckpoint = 0;
- dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2;
- dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks);
-- for(i = 0; i < dev->checkpointMaxBlocks; i++)
-+ for (i = 0; i < dev->checkpointMaxBlocks; i++)
- dev->checkpointBlockList[i] = -1;
- }
-
-@@ -191,18 +185,17 @@ int yaffs_GetCheckpointSum(yaffs_Device
-
- static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev)
- {
--
- int chunk;
- int realignedChunk;
-
- yaffs_ExtendedTags tags;
-
-- if(dev->checkpointCurrentBlock < 0){
-+ if (dev->checkpointCurrentBlock < 0) {
- yaffs_CheckpointFindNextErasedBlock(dev);
- dev->checkpointCurrentChunk = 0;
- }
-
-- if(dev->checkpointCurrentBlock < 0)
-+ if (dev->checkpointCurrentBlock < 0)
- return 0;
-
- tags.chunkDeleted = 0;
-@@ -210,10 +203,10 @@ static int yaffs_CheckpointFlushBuffer(y
- tags.chunkId = dev->checkpointPageSequence + 1;
- tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA;
- tags.byteCount = dev->nDataBytesPerChunk;
-- if(dev->checkpointCurrentChunk == 0){
-+ if (dev->checkpointCurrentChunk == 0) {
- /* First chunk we write for the block? Set block state to
- checkpoint */
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointCurrentBlock);
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock);
- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
- dev->blocksInCheckpoint++;
- }
-@@ -221,28 +214,29 @@ static int yaffs_CheckpointFlushBuffer(y
- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk;
-
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
-- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
-+ chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId));
-
- realignedChunk = chunk - dev->chunkOffset;
-
-- dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags);
-+ dev->writeChunkWithTagsToNAND(dev, realignedChunk,
-+ dev->checkpointBuffer, &tags);
- dev->checkpointByteOffset = 0;
- dev->checkpointPageSequence++;
- dev->checkpointCurrentChunk++;
-- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){
-+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) {
- dev->checkpointCurrentChunk = 0;
- dev->checkpointCurrentBlock = -1;
- }
-- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
-+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
-
- return 1;
- }
-
-
--int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes)
-+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes)
- {
-- int i=0;
-+ int i = 0;
- int ok = 1;
-
-
-@@ -250,17 +244,14 @@ int yaffs_CheckpointWrite(yaffs_Device *
-
-
-
-- if(!dev->checkpointBuffer)
-+ if (!dev->checkpointBuffer)
- return 0;
-
-- if(!dev->checkpointOpenForWrite)
-+ if (!dev->checkpointOpenForWrite)
- return -1;
-
-- while(i < nBytes && ok) {
--
--
--
-- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ;
-+ while (i < nBytes && ok) {
-+ dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes;
- dev->checkpointSum += *dataBytes;
- dev->checkpointXor ^= *dataBytes;
-
-@@ -270,18 +261,17 @@ int yaffs_CheckpointWrite(yaffs_Device *
- dev->checkpointByteCount++;
-
-
-- if(dev->checkpointByteOffset < 0 ||
-+ if (dev->checkpointByteOffset < 0 ||
- dev->checkpointByteOffset >= dev->nDataBytesPerChunk)
- ok = yaffs_CheckpointFlushBuffer(dev);
--
- }
-
-- return i;
-+ return i;
- }
-
- int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes)
- {
-- int i=0;
-+ int i = 0;
- int ok = 1;
- yaffs_ExtendedTags tags;
-
-@@ -291,52 +281,54 @@ int yaffs_CheckpointRead(yaffs_Device *d
-
- __u8 *dataBytes = (__u8 *)data;
-
-- if(!dev->checkpointBuffer)
-+ if (!dev->checkpointBuffer)
- return 0;
-
-- if(dev->checkpointOpenForWrite)
-+ if (dev->checkpointOpenForWrite)
- return -1;
-
-- while(i < nBytes && ok) {
-+ while (i < nBytes && ok) {
-
-
-- if(dev->checkpointByteOffset < 0 ||
-- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
-+ if (dev->checkpointByteOffset < 0 ||
-+ dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
-
-- if(dev->checkpointCurrentBlock < 0){
-+ if (dev->checkpointCurrentBlock < 0) {
- yaffs_CheckpointFindNextCheckpointBlock(dev);
- dev->checkpointCurrentChunk = 0;
- }
-
-- if(dev->checkpointCurrentBlock < 0)
-+ if (dev->checkpointCurrentBlock < 0)
- ok = 0;
- else {
--
-- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock +
-- dev->checkpointCurrentChunk;
-+ chunk = dev->checkpointCurrentBlock *
-+ dev->nChunksPerBlock +
-+ dev->checkpointCurrentChunk;
-
- realignedChunk = chunk - dev->chunkOffset;
-
-- /* read in the next chunk */
-- /* printf("read checkpoint page %d\n",dev->checkpointPage); */
-- dev->readChunkWithTagsFromNAND(dev, realignedChunk,
-- dev->checkpointBuffer,
-- &tags);
--
-- if(tags.chunkId != (dev->checkpointPageSequence + 1) ||
-- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
-- ok = 0;
-+ /* read in the next chunk */
-+ /* printf("read checkpoint page %d\n",dev->checkpointPage); */
-+ dev->readChunkWithTagsFromNAND(dev,
-+ realignedChunk,
-+ dev->checkpointBuffer,
-+ &tags);
-+
-+ if (tags.chunkId != (dev->checkpointPageSequence + 1) ||
-+ tags.eccResult > YAFFS_ECC_RESULT_FIXED ||
-+ tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
-+ ok = 0;
-
- dev->checkpointByteOffset = 0;
- dev->checkpointPageSequence++;
- dev->checkpointCurrentChunk++;
-
-- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
-+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
- dev->checkpointCurrentBlock = -1;
- }
- }
-
-- if(ok){
-+ if (ok) {
- *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset];
- dev->checkpointSum += *dataBytes;
- dev->checkpointXor ^= *dataBytes;
-@@ -353,17 +345,17 @@ int yaffs_CheckpointRead(yaffs_Device *d
- int yaffs_CheckpointClose(yaffs_Device *dev)
- {
-
-- if(dev->checkpointOpenForWrite){
-- if(dev->checkpointByteOffset != 0)
-+ if (dev->checkpointOpenForWrite) {
-+ if (dev->checkpointByteOffset != 0)
- yaffs_CheckpointFlushBuffer(dev);
- } else {
- int i;
-- for(i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++){
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointBlockList[i]);
-- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
-+ for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointBlockList[i]);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
- else {
-- // Todo this looks odd...
-+ /* Todo this looks odd... */
- }
- }
- YFREE(dev->checkpointBlockList);
-@@ -374,27 +366,25 @@ int yaffs_CheckpointClose(yaffs_Device *
- dev->nErasedBlocks -= dev->blocksInCheckpoint;
-
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR),
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR),
- dev->checkpointByteCount));
-
-- if(dev->checkpointBuffer){
-+ if (dev->checkpointBuffer) {
- /* free the buffer */
- YFREE(dev->checkpointBuffer);
- dev->checkpointBuffer = NULL;
- return 1;
-- }
-- else
-+ } else
- return 0;
--
- }
-
- int yaffs_CheckpointInvalidateStream(yaffs_Device *dev)
- {
- /* Erase the first checksum block */
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint invalidate"TENDSTR)));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate"TENDSTR)));
-
-- if(!yaffs_CheckpointSpaceOk(dev))
-+ if (!yaffs_CheckpointSpaceOk(dev))
- return 0;
-
- return yaffs_CheckpointErase(dev);
---- a/fs/yaffs2/yaffs_checkptrw.h
-+++ b/fs/yaffs2/yaffs_checkptrw.h
-@@ -20,9 +20,9 @@
-
- int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting);
-
--int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes);
-+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes);
-
--int yaffs_CheckpointRead(yaffs_Device *dev,void *data, int nBytes);
-+int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes);
-
- int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum);
-
---- a/fs/yaffs2/yaffs_ecc.c
-+++ b/fs/yaffs2/yaffs_ecc.c
-@@ -29,7 +29,7 @@
- */
-
- const char *yaffs_ecc_c_version =
-- "$Id: yaffs_ecc.c,v 1.9 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $";
-
- #include "yportenv.h"
-
-@@ -109,12 +109,10 @@ void yaffs_ECCCalculate(const unsigned c
- b = column_parity_table[*data++];
- col_parity ^= b;
-
-- if (b & 0x01) // odd number of bits in the byte
-- {
-+ if (b & 0x01) { /* odd number of bits in the byte */
- line_parity ^= i;
- line_parity_prime ^= ~i;
- }
--
- }
-
- ecc[2] = (~col_parity) | 0x03;
-@@ -158,7 +156,7 @@ void yaffs_ECCCalculate(const unsigned c
- ecc[0] = ~t;
-
- #ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
-- // Swap the bytes into the wrong order
-+ /* Swap the bytes into the wrong order */
- t = ecc[0];
- ecc[0] = ecc[1];
- ecc[1] = t;
-@@ -189,7 +187,7 @@ int yaffs_ECCCorrect(unsigned char *data
- unsigned bit;
-
- #ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
-- // swap the bytes to correct for the wrong order
-+ /* swap the bytes to correct for the wrong order */
- unsigned char t;
-
- t = d0;
-@@ -251,7 +249,7 @@ int yaffs_ECCCorrect(unsigned char *data
- * ECCxxxOther does ECC calcs on arbitrary n bytes of data
- */
- void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * eccOther)
-+ yaffs_ECCOther *eccOther)
- {
- unsigned int i;
-
-@@ -278,8 +276,8 @@ void yaffs_ECCCalculateOther(const unsig
- }
-
- int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * read_ecc,
-- const yaffs_ECCOther * test_ecc)
-+ yaffs_ECCOther *read_ecc,
-+ const yaffs_ECCOther *test_ecc)
- {
- unsigned char cDelta; /* column parity delta */
- unsigned lDelta; /* line parity delta */
-@@ -294,8 +292,7 @@ int yaffs_ECCCorrectOther(unsigned char
- return 0; /* no error */
-
- if (lDelta == ~lDeltaPrime &&
-- (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15))
-- {
-+ (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) {
- /* Single bit (recoverable) error in data */
-
- bit = 0;
-@@ -307,7 +304,7 @@ int yaffs_ECCCorrectOther(unsigned char
- if (cDelta & 0x02)
- bit |= 0x01;
-
-- if(lDelta >= nBytes)
-+ if (lDelta >= nBytes)
- return -1;
-
- data[lDelta] ^= (1 << bit);
-@@ -316,7 +313,7 @@ int yaffs_ECCCorrectOther(unsigned char
- }
-
- if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) +
-- yaffs_CountBits(cDelta)) == 1) {
-+ yaffs_CountBits(cDelta)) == 1) {
- /* Reccoverable error in ecc */
-
- *read_ecc = *test_ecc;
-@@ -326,6 +323,4 @@ int yaffs_ECCCorrectOther(unsigned char
- /* Unrecoverable error */
-
- return -1;
--
- }
--
---- a/fs/yaffs2/yaffs_ecc.h
-+++ b/fs/yaffs2/yaffs_ecc.h
-@@ -13,15 +13,15 @@
- * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
- */
-
-- /*
-- * This code implements the ECC algorithm used in SmartMedia.
-- *
-- * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
-- * The two unused bit are set to 1.
-- * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
-- * blocks are used on a 512-byte NAND page.
-- *
-- */
-+/*
-+ * This code implements the ECC algorithm used in SmartMedia.
-+ *
-+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
-+ * The two unused bit are set to 1.
-+ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
-+ * blocks are used on a 512-byte NAND page.
-+ *
-+ */
-
- #ifndef __YAFFS_ECC_H__
- #define __YAFFS_ECC_H__
-@@ -34,11 +34,11 @@ typedef struct {
-
- void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc);
- int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
-- const unsigned char *test_ecc);
-+ const unsigned char *test_ecc);
-
- void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * ecc);
-+ yaffs_ECCOther *ecc);
- int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
-- yaffs_ECCOther * read_ecc,
-- const yaffs_ECCOther * test_ecc);
-+ yaffs_ECCOther *read_ecc,
-+ const yaffs_ECCOther *test_ecc);
- #endif
---- a/fs/yaffs2/yaffs_fs.c
-+++ b/fs/yaffs2/yaffs_fs.c
-@@ -1,7 +1,7 @@
- /*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
-- * Copyright (C) 2002-2007 Aleph One Ltd.
-+ * Copyright (C) 2002-2009 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
-@@ -32,18 +32,17 @@
- */
-
- const char *yaffs_fs_c_version =
-- "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $";
-+ "$Id: yaffs_fs.c,v 1.79 2009-03-17 01:12:00 wookey Exp $";
- extern const char *yaffs_guts_c_version;
-
- #include <linux/version.h>
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- #include <linux/config.h>
- #endif
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/slab.h>
- #include <linux/init.h>
--#include <linux/list.h>
- #include <linux/fs.h>
- #include <linux/proc_fs.h>
- #include <linux/smp_lock.h>
-@@ -53,10 +52,12 @@ extern const char *yaffs_guts_c_version;
- #include <linux/string.h>
- #include <linux/ctype.h>
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#include "asm/div64.h"
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-
- #include <linux/statfs.h> /* Added NCB 15-8-2003 */
--#include <asm/statfs.h>
-+#include <linux/statfs.h>
- #define UnlockPage(p) unlock_page(p)
- #define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags)
-
-@@ -69,22 +70,45 @@ extern const char *yaffs_guts_c_version;
- #define BDEVNAME_SIZE 0
- #define yaffs_devname(sb, buf) kdevname(sb->s_dev)
-
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0))
- /* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */
- #define __user
- #endif
-
- #endif
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26))
-+#define YPROC_ROOT (&proc_root)
-+#else
-+#define YPROC_ROOT NULL
-+#endif
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- #define WRITE_SIZE_STR "writesize"
--#define WRITE_SIZE(mtd) (mtd)->writesize
-+#define WRITE_SIZE(mtd) ((mtd)->writesize)
- #else
- #define WRITE_SIZE_STR "oobblock"
--#define WRITE_SIZE(mtd) (mtd)->oobblock
-+#define WRITE_SIZE(mtd) ((mtd)->oobblock)
- #endif
-
--#include <asm/uaccess.h>
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27))
-+#define YAFFS_USE_WRITE_BEGIN_END 1
-+#else
-+#define YAFFS_USE_WRITE_BEGIN_END 0
-+#endif
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28))
-+static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size)
-+{
-+ uint64_t result = partition_size;
-+ do_div(result, block_size);
-+ return (uint32_t)result;
-+}
-+#else
-+#define YCALCBLOCKS(s, b) ((s)/(b))
-+#endif
-+
-+#include <linux/uaccess.h>
-
- #include "yportenv.h"
- #include "yaffs_guts.h"
-@@ -96,28 +120,44 @@ extern const char *yaffs_guts_c_version;
-
- unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS;
- unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS;
-+unsigned int yaffs_auto_checkpoint = 1;
-
- /* Module Parameters */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
--module_param(yaffs_traceMask,uint,0644);
--module_param(yaffs_wr_attempts,uint,0644);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+module_param(yaffs_traceMask, uint, 0644);
-+module_param(yaffs_wr_attempts, uint, 0644);
-+module_param(yaffs_auto_checkpoint, uint, 0644);
-+#else
-+MODULE_PARM(yaffs_traceMask, "i");
-+MODULE_PARM(yaffs_wr_attempts, "i");
-+MODULE_PARM(yaffs_auto_checkpoint, "i");
-+#endif
-+
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
-+/* use iget and read_inode */
-+#define Y_IGET(sb, inum) iget((sb), (inum))
-+static void yaffs_read_inode(struct inode *inode);
-+
- #else
--MODULE_PARM(yaffs_traceMask,"i");
--MODULE_PARM(yaffs_wr_attempts,"i");
-+/* Call local equivalent */
-+#define YAFFS_USE_OWN_IGET
-+#define Y_IGET(sb, inum) yaffs_iget((sb), (inum))
-+
-+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino);
- #endif
-
- /*#define T(x) printk x */
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
--#define yaffs_InodeToObjectLV(iptr) (iptr)->i_private
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
-+#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private)
- #else
--#define yaffs_InodeToObjectLV(iptr) (iptr)->u.generic_ip
-+#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip)
- #endif
-
- #define yaffs_InodeToObject(iptr) ((yaffs_Object *)(yaffs_InodeToObjectLV(iptr)))
- #define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode)
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info)
- #else
- #define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp)
-@@ -126,47 +166,49 @@ MODULE_PARM(yaffs_wr_attempts,"i");
- static void yaffs_put_super(struct super_block *sb);
-
- static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
-- loff_t * pos);
-+ loff_t *pos);
-+static ssize_t yaffs_hold_space(struct file *f);
-+static void yaffs_release_space(struct file *f);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_file_flush(struct file *file, fl_owner_t id);
- #else
- static int yaffs_file_flush(struct file *file);
- #endif
-
- static int yaffs_sync_object(struct file *file, struct dentry *dentry,
-- int datasync);
-+ int datasync);
-
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *n);
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
-- struct nameidata *n);
-+ struct nameidata *n);
- #else
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry);
- #endif
- static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
-- struct dentry *dentry);
-+ struct dentry *dentry);
- static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
- static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
-- const char *symname);
-+ const char *symname);
- static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- dev_t dev);
-+ dev_t dev);
- #else
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- int dev);
-+ int dev);
- #endif
- static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
- static int yaffs_setattr(struct dentry *dentry, struct iattr *attr);
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_sync_fs(struct super_block *sb, int wait);
- static void yaffs_write_super(struct super_block *sb);
- #else
-@@ -174,33 +216,47 @@ static int yaffs_sync_fs(struct super_bl
- static int yaffs_write_super(struct super_block *sb);
- #endif
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf);
--#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf);
- #else
- static int yaffs_statfs(struct super_block *sb, struct statfs *buf);
- #endif
--static void yaffs_read_inode(struct inode *inode);
-
-+#ifdef YAFFS_HAS_PUT_INODE
- static void yaffs_put_inode(struct inode *inode);
-+#endif
-+
- static void yaffs_delete_inode(struct inode *);
- static void yaffs_clear_inode(struct inode *);
-
- static int yaffs_readpage(struct file *file, struct page *page);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_writepage(struct page *page, struct writeback_control *wbc);
- #else
- static int yaffs_writepage(struct page *page);
- #endif
-+
-+
-+#if (YAFFS_USE_WRITE_BEGIN_END != 0)
-+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned flags,
-+ struct page **pagep, void **fsdata);
-+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned copied,
-+ struct page *pg, void *fsdadata);
-+#else
- static int yaffs_prepare_write(struct file *f, struct page *pg,
-- unsigned offset, unsigned to);
-+ unsigned offset, unsigned to);
- static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
-- unsigned to);
-+ unsigned to);
-
--static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
-- int buflen);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-+#endif
-+
-+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
-+ int buflen);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
- static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
- #else
- static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
-@@ -209,12 +265,17 @@ static int yaffs_follow_link(struct dent
- static struct address_space_operations yaffs_file_address_operations = {
- .readpage = yaffs_readpage,
- .writepage = yaffs_writepage,
-+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
-+ .write_begin = yaffs_write_begin,
-+ .write_end = yaffs_write_end,
-+#else
- .prepare_write = yaffs_prepare_write,
- .commit_write = yaffs_commit_write,
-+#endif
- };
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
--static struct file_operations yaffs_file_operations = {
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
-+static const struct file_operations yaffs_file_operations = {
- .read = do_sync_read,
- .write = do_sync_write,
- .aio_read = generic_file_aio_read,
-@@ -224,11 +285,12 @@ static struct file_operations yaffs_file
- .fsync = yaffs_sync_object,
- .splice_read = generic_file_splice_read,
- .splice_write = generic_file_splice_write,
-+ .llseek = generic_file_llseek,
- };
-
--#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
-
--static struct file_operations yaffs_file_operations = {
-+static const struct file_operations yaffs_file_operations = {
- .read = do_sync_read,
- .write = do_sync_write,
- .aio_read = generic_file_aio_read,
-@@ -241,29 +303,29 @@ static struct file_operations yaffs_file
-
- #else
-
--static struct file_operations yaffs_file_operations = {
-+static const struct file_operations yaffs_file_operations = {
- .read = generic_file_read,
- .write = generic_file_write,
- .mmap = generic_file_mmap,
- .flush = yaffs_file_flush,
- .fsync = yaffs_sync_object,
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- .sendfile = generic_file_sendfile,
- #endif
- };
- #endif
-
--static struct inode_operations yaffs_file_inode_operations = {
-+static const struct inode_operations yaffs_file_inode_operations = {
- .setattr = yaffs_setattr,
- };
-
--static struct inode_operations yaffs_symlink_inode_operations = {
-+static const struct inode_operations yaffs_symlink_inode_operations = {
- .readlink = yaffs_readlink,
- .follow_link = yaffs_follow_link,
- .setattr = yaffs_setattr,
- };
-
--static struct inode_operations yaffs_dir_inode_operations = {
-+static const struct inode_operations yaffs_dir_inode_operations = {
- .create = yaffs_create,
- .lookup = yaffs_lookup,
- .link = yaffs_link,
-@@ -276,16 +338,21 @@ static struct inode_operations yaffs_dir
- .setattr = yaffs_setattr,
- };
-
--static struct file_operations yaffs_dir_operations = {
-+static const struct file_operations yaffs_dir_operations = {
- .read = generic_read_dir,
- .readdir = yaffs_readdir,
- .fsync = yaffs_sync_object,
- };
-
--static struct super_operations yaffs_super_ops = {
-+static const struct super_operations yaffs_super_ops = {
- .statfs = yaffs_statfs,
-+
-+#ifndef YAFFS_USE_OWN_IGET
- .read_inode = yaffs_read_inode,
-+#endif
-+#ifdef YAFFS_HAS_PUT_INODE
- .put_inode = yaffs_put_inode,
-+#endif
- .put_super = yaffs_put_super,
- .delete_inode = yaffs_delete_inode,
- .clear_inode = yaffs_clear_inode,
-@@ -293,22 +360,21 @@ static struct super_operations yaffs_sup
- .write_super = yaffs_write_super,
- };
-
--static void yaffs_GrossLock(yaffs_Device * dev)
-+static void yaffs_GrossLock(yaffs_Device *dev)
- {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs locking\n"));
--
-+ T(YAFFS_TRACE_OS, ("yaffs locking %p\n", current));
- down(&dev->grossLock);
-+ T(YAFFS_TRACE_OS, ("yaffs locked %p\n", current));
- }
-
--static void yaffs_GrossUnlock(yaffs_Device * dev)
-+static void yaffs_GrossUnlock(yaffs_Device *dev)
- {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs unlocking\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current));
- up(&dev->grossLock);
--
- }
-
--static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
-- int buflen)
-+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
-+ int buflen)
- {
- unsigned char *alias;
- int ret;
-@@ -329,7 +395,7 @@ static int yaffs_readlink(struct dentry
- return ret;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
- static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
- #else
- static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
-@@ -345,32 +411,31 @@ static int yaffs_follow_link(struct dent
-
- yaffs_GrossUnlock(dev);
-
-- if (!alias)
-- {
-+ if (!alias) {
- ret = -ENOMEM;
- goto out;
-- }
-+ }
-
- ret = vfs_follow_link(nd, alias);
- kfree(alias);
- out:
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-- return ERR_PTR (ret);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
-+ return ERR_PTR(ret);
- #else
- return ret;
- #endif
- }
-
- struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
-- yaffs_Object * obj);
-+ yaffs_Object *obj);
-
- /*
- * Lookup is used to find objects in the fs
- */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
-- struct nameidata *n)
-+ struct nameidata *n)
- #else
- static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
- #endif
-@@ -383,12 +448,11 @@ static struct dentry *yaffs_lookup(struc
- yaffs_GrossLock(dev);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_lookup for %d:%s\n",
-- yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
-+ ("yaffs_lookup for %d:%s\n",
-+ yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
-
-- obj =
-- yaffs_FindObjectByName(yaffs_InodeToObject(dir),
-- dentry->d_name.name);
-+ obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir),
-+ dentry->d_name.name);
-
- obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */
-
-@@ -397,13 +461,13 @@ static struct dentry *yaffs_lookup(struc
-
- if (obj) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_lookup found %d\n", obj->objectId));
-+ ("yaffs_lookup found %d\n", obj->objectId));
-
- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
-
- if (inode) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_loookup dentry \n"));
-+ ("yaffs_loookup dentry \n"));
- /* #if 0 asserted by NCB for 2.5/6 compatability - falls through to
- * d_add even if NULL inode */
- #if 0
-@@ -416,7 +480,7 @@ static struct dentry *yaffs_lookup(struc
- }
-
- } else {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_lookup not found\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_lookup not found\n"));
-
- }
-
-@@ -425,20 +489,22 @@ static struct dentry *yaffs_lookup(struc
- d_add(dentry, inode);
-
- return NULL;
-- /* return (ERR_PTR(-EIO)); */
--
- }
-
-+
-+#ifdef YAFFS_HAS_PUT_INODE
-+
- /* For now put inode is just for debugging
- * Put inode is called when the inode **structure** is put.
- */
- static void yaffs_put_inode(struct inode *inode)
- {
- T(YAFFS_TRACE_OS,
-- ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
-- atomic_read(&inode->i_count)));
-+ ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
-+ atomic_read(&inode->i_count)));
-
- }
-+#endif
-
- /* clear is called to tell the fs to release any per-inode data it holds */
- static void yaffs_clear_inode(struct inode *inode)
-@@ -449,9 +515,9 @@ static void yaffs_clear_inode(struct ino
- obj = yaffs_InodeToObject(inode);
-
- T(YAFFS_TRACE_OS,
-- ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-- atomic_read(&inode->i_count),
-- obj ? "object exists" : "null object"));
-+ ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-+ atomic_read(&inode->i_count),
-+ obj ? "object exists" : "null object"));
-
- if (obj) {
- dev = obj->myDev;
-@@ -486,23 +552,23 @@ static void yaffs_delete_inode(struct in
- yaffs_Device *dev;
-
- T(YAFFS_TRACE_OS,
-- ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-- atomic_read(&inode->i_count),
-- obj ? "object exists" : "null object"));
-+ ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
-+ atomic_read(&inode->i_count),
-+ obj ? "object exists" : "null object"));
-
- if (obj) {
- dev = obj->myDev;
- yaffs_GrossLock(dev);
-- yaffs_DeleteFile(obj);
-+ yaffs_DeleteObject(obj);
- yaffs_GrossUnlock(dev);
- }
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
-- truncate_inode_pages (&inode->i_data, 0);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
-+ truncate_inode_pages(&inode->i_data, 0);
- #endif
- clear_inode(inode);
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_file_flush(struct file *file, fl_owner_t id)
- #else
- static int yaffs_file_flush(struct file *file)
-@@ -513,8 +579,8 @@ static int yaffs_file_flush(struct file
- yaffs_Device *dev = obj->myDev;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_file_flush object %d (%s)\n", obj->objectId,
-- obj->dirty ? "dirty" : "clean"));
-+ ("yaffs_file_flush object %d (%s)\n", obj->objectId,
-+ obj->dirty ? "dirty" : "clean"));
-
- yaffs_GrossLock(dev);
-
-@@ -535,15 +601,15 @@ static int yaffs_readpage_nolock(struct
-
- yaffs_Device *dev;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage at %08x, size %08x\n",
-- (unsigned)(pg->index << PAGE_CACHE_SHIFT),
-- (unsigned)PAGE_CACHE_SIZE));
-+ T(YAFFS_TRACE_OS, ("yaffs_readpage at %08x, size %08x\n",
-+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
-+ (unsigned)PAGE_CACHE_SIZE));
-
- obj = yaffs_DentryToObject(f->f_dentry);
-
- dev = obj->myDev;
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- BUG_ON(!PageLocked(pg));
- #else
- if (!PageLocked(pg))
-@@ -555,9 +621,9 @@ static int yaffs_readpage_nolock(struct
-
- yaffs_GrossLock(dev);
-
-- ret =
-- yaffs_ReadDataFromFile(obj, pg_buf, pg->index << PAGE_CACHE_SHIFT,
-- PAGE_CACHE_SIZE);
-+ ret = yaffs_ReadDataFromFile(obj, pg_buf,
-+ pg->index << PAGE_CACHE_SHIFT,
-+ PAGE_CACHE_SIZE);
-
- yaffs_GrossUnlock(dev);
-
-@@ -575,7 +641,7 @@ static int yaffs_readpage_nolock(struct
- flush_dcache_page(pg);
- kunmap(pg);
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage done\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_readpage done\n"));
- return ret;
- }
-
-@@ -593,7 +659,7 @@ static int yaffs_readpage(struct file *f
-
- /* writepage inspired by/stolen from smbfs */
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_writepage(struct page *page, struct writeback_control *wbc)
- #else
- static int yaffs_writepage(struct page *page)
-@@ -616,12 +682,11 @@ static int yaffs_writepage(struct page *
-
- if (offset > inode->i_size) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_writepage at %08x, inode size = %08x!!!\n",
-- (unsigned)(page->index << PAGE_CACHE_SHIFT),
-- (unsigned)inode->i_size));
-+ ("yaffs_writepage at %08x, inode size = %08x!!!\n",
-+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
-+ (unsigned)inode->i_size));
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG " -> don't care!!\n"));
-+ (" -> don't care!!\n"));
- unlock_page(page);
- return 0;
- }
-@@ -629,11 +694,10 @@ static int yaffs_writepage(struct page *
- end_index = inode->i_size >> PAGE_CACHE_SHIFT;
-
- /* easy case */
-- if (page->index < end_index) {
-+ if (page->index < end_index)
- nBytes = PAGE_CACHE_SIZE;
-- } else {
-+ else
- nBytes = inode->i_size & (PAGE_CACHE_SIZE - 1);
-- }
-
- get_page(page);
-
-@@ -643,19 +707,18 @@ static int yaffs_writepage(struct page *
- yaffs_GrossLock(obj->myDev);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_writepage at %08x, size %08x\n",
-- (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
-+ ("yaffs_writepage at %08x, size %08x\n",
-+ (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "writepag0: obj = %05x, ino = %05x\n",
-- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-+ ("writepag0: obj = %05x, ino = %05x\n",
-+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-
-- nWritten =
-- yaffs_WriteDataToFile(obj, buffer, page->index << PAGE_CACHE_SHIFT,
-- nBytes, 0);
-+ nWritten = yaffs_WriteDataToFile(obj, buffer,
-+ page->index << PAGE_CACHE_SHIFT, nBytes, 0);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "writepag1: obj = %05x, ino = %05x\n",
-- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-+ ("writepag1: obj = %05x, ino = %05x\n",
-+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
-
- yaffs_GrossUnlock(obj->myDev);
-
-@@ -667,100 +730,207 @@ static int yaffs_writepage(struct page *
- return (nWritten == nBytes) ? 0 : -ENOSPC;
- }
-
-+
-+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
-+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned flags,
-+ struct page **pagep, void **fsdata)
-+{
-+ struct page *pg = NULL;
-+ pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-+ uint32_t offset = pos & (PAGE_CACHE_SIZE - 1);
-+ uint32_t to = offset + len;
-+
-+ int ret = 0;
-+ int space_held = 0;
-+
-+ T(YAFFS_TRACE_OS, ("start yaffs_write_begin\n"));
-+ /* Get a page */
-+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)
-+ pg = grab_cache_page_write_begin(mapping, index, flags);
-+#else
-+ pg = __grab_cache_page(mapping, index);
-+#endif
-+
-+ *pagep = pg;
-+ if (!pg) {
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ /* Get fs space */
-+ space_held = yaffs_hold_space(filp);
-+
-+ if (!space_held) {
-+ ret = -ENOSPC;
-+ goto out;
-+ }
-+
-+ /* Update page if required */
-+
-+ if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
-+ ret = yaffs_readpage_nolock(filp, pg);
-+
-+ if (ret)
-+ goto out;
-+
-+ /* Happy path return */
-+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin - ok\n"));
-+
-+ return 0;
-+
-+out:
-+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin fail returning %d\n", ret));
-+ if (space_held)
-+ yaffs_release_space(filp);
-+ if (pg) {
-+ unlock_page(pg);
-+ page_cache_release(pg);
-+ }
-+ return ret;
-+}
-+
-+#else
-+
- static int yaffs_prepare_write(struct file *f, struct page *pg,
-- unsigned offset, unsigned to)
-+ unsigned offset, unsigned to)
- {
-+ T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n"));
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_prepair_write\n"));
- if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
- return yaffs_readpage_nolock(f, pg);
--
- return 0;
-+}
-+#endif
-+
-+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
-+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
-+ loff_t pos, unsigned len, unsigned copied,
-+ struct page *pg, void *fsdadata)
-+{
-+ int ret = 0;
-+ void *addr, *kva;
-+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
-+
-+ kva = kmap(pg);
-+ addr = kva + offset_into_page;
-+
-+ T(YAFFS_TRACE_OS,
-+ ("yaffs_write_end addr %x pos %x nBytes %d\n",
-+ (unsigned) addr,
-+ (int)pos, copied));
-+
-+ ret = yaffs_file_write(filp, addr, copied, &pos);
-+
-+ if (ret != copied) {
-+ T(YAFFS_TRACE_OS,
-+ ("yaffs_write_end not same size ret %d copied %d\n",
-+ ret, copied));
-+ SetPageError(pg);
-+ ClearPageUptodate(pg);
-+ } else {
-+ SetPageUptodate(pg);
-+ }
-+
-+ kunmap(pg);
-
-+ yaffs_release_space(filp);
-+ unlock_page(pg);
-+ page_cache_release(pg);
-+ return ret;
- }
-+#else
-
- static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
-- unsigned to)
-+ unsigned to)
- {
-+ void *addr, *kva;
-
-- void *addr = page_address(pg) + offset;
- loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
- int nBytes = to - offset;
- int nWritten;
-
- unsigned spos = pos;
-- unsigned saddr = (unsigned)addr;
-+ unsigned saddr;
-+
-+ kva = kmap(pg);
-+ addr = kva + offset;
-+
-+ saddr = (unsigned) addr;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_commit_write addr %x pos %x nBytes %d\n", saddr,
-- spos, nBytes));
-+ ("yaffs_commit_write addr %x pos %x nBytes %d\n",
-+ saddr, spos, nBytes));
-
- nWritten = yaffs_file_write(f, addr, nBytes, &pos);
-
- if (nWritten != nBytes) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_commit_write not same size nWritten %d nBytes %d\n",
-- nWritten, nBytes));
-+ ("yaffs_commit_write not same size nWritten %d nBytes %d\n",
-+ nWritten, nBytes));
- SetPageError(pg);
- ClearPageUptodate(pg);
- } else {
- SetPageUptodate(pg);
- }
-
-+ kunmap(pg);
-+
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_commit_write returning %d\n",
-- nWritten == nBytes ? 0 : nWritten));
-+ ("yaffs_commit_write returning %d\n",
-+ nWritten == nBytes ? 0 : nWritten));
-
- return nWritten == nBytes ? 0 : nWritten;
--
- }
-+#endif
-+
-
--static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj)
-+static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj)
- {
- if (inode && obj) {
-
-
- /* Check mode against the variant type and attempt to repair if broken. */
-- __u32 mode = obj->yst_mode;
-- switch( obj->variantType ){
-- case YAFFS_OBJECT_TYPE_FILE :
-- if( ! S_ISREG(mode) ){
-- obj->yst_mode &= ~S_IFMT;
-- obj->yst_mode |= S_IFREG;
-- }
--
-- break;
-- case YAFFS_OBJECT_TYPE_SYMLINK :
-- if( ! S_ISLNK(mode) ){
-- obj->yst_mode &= ~S_IFMT;
-- obj->yst_mode |= S_IFLNK;
-- }
--
-- break;
-- case YAFFS_OBJECT_TYPE_DIRECTORY :
-- if( ! S_ISDIR(mode) ){
-- obj->yst_mode &= ~S_IFMT;
-- obj->yst_mode |= S_IFDIR;
-- }
--
-- break;
-- case YAFFS_OBJECT_TYPE_UNKNOWN :
-- case YAFFS_OBJECT_TYPE_HARDLINK :
-- case YAFFS_OBJECT_TYPE_SPECIAL :
-- default:
-- /* TODO? */
-- break;
-- }
-+ __u32 mode = obj->yst_mode;
-+ switch (obj->variantType) {
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ if (!S_ISREG(mode)) {
-+ obj->yst_mode &= ~S_IFMT;
-+ obj->yst_mode |= S_IFREG;
-+ }
-+
-+ break;
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ if (!S_ISLNK(mode)) {
-+ obj->yst_mode &= ~S_IFMT;
-+ obj->yst_mode |= S_IFLNK;
-+ }
-+
-+ break;
-+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ if (!S_ISDIR(mode)) {
-+ obj->yst_mode &= ~S_IFMT;
-+ obj->yst_mode |= S_IFDIR;
-+ }
-+
-+ break;
-+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ default:
-+ /* TODO? */
-+ break;
-+ }
-+
-+ inode->i_flags |= S_NOATIME;
-
- inode->i_ino = obj->objectId;
- inode->i_mode = obj->yst_mode;
- inode->i_uid = obj->yst_uid;
- inode->i_gid = obj->yst_gid;
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- inode->i_blksize = inode->i_sb->s_blocksize;
- #endif
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-
- inode->i_rdev = old_decode_dev(obj->yst_rdev);
- inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
-@@ -781,26 +951,25 @@ static void yaffs_FillInodeFromObject(st
- inode->i_nlink = yaffs_GetObjectLinkCount(obj);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
-- inode->i_mode, inode->i_uid, inode->i_gid,
-- (int)inode->i_size, atomic_read(&inode->i_count)));
-+ ("yaffs_FillInode mode %x uid %d gid %d size %d count %d\n",
-+ inode->i_mode, inode->i_uid, inode->i_gid,
-+ (int)inode->i_size, atomic_read(&inode->i_count)));
-
- switch (obj->yst_mode & S_IFMT) {
- default: /* fifo, device or socket */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- init_special_inode(inode, obj->yst_mode,
-- old_decode_dev(obj->yst_rdev));
-+ old_decode_dev(obj->yst_rdev));
- #else
- init_special_inode(inode, obj->yst_mode,
-- (dev_t) (obj->yst_rdev));
-+ (dev_t) (obj->yst_rdev));
- #endif
- break;
- case S_IFREG: /* file */
- inode->i_op = &yaffs_file_inode_operations;
- inode->i_fop = &yaffs_file_operations;
- inode->i_mapping->a_ops =
-- &yaffs_file_address_operations;
-+ &yaffs_file_address_operations;
- break;
- case S_IFDIR: /* directory */
- inode->i_op = &yaffs_dir_inode_operations;
-@@ -817,34 +986,36 @@ static void yaffs_FillInodeFromObject(st
-
- } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_FileInode invalid parameters\n"));
-+ ("yaffs_FileInode invalid parameters\n"));
- }
-
- }
-
- struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
-- yaffs_Object * obj)
-+ yaffs_Object *obj)
- {
- struct inode *inode;
-
- if (!sb) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_get_inode for NULL super_block!!\n"));
-+ ("yaffs_get_inode for NULL super_block!!\n"));
- return NULL;
-
- }
-
- if (!obj) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_get_inode for NULL object!!\n"));
-+ ("yaffs_get_inode for NULL object!!\n"));
- return NULL;
-
- }
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_get_inode for object %d\n", obj->objectId));
-+ ("yaffs_get_inode for object %d\n", obj->objectId));
-
-- inode = iget(sb, obj->objectId);
-+ inode = Y_IGET(sb, obj->objectId);
-+ if (IS_ERR(inode))
-+ return NULL;
-
- /* NB Side effect: iget calls back to yaffs_read_inode(). */
- /* iget also increments the inode's i_count */
-@@ -854,7 +1025,7 @@ struct inode *yaffs_get_inode(struct sup
- }
-
- static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
-- loff_t * pos)
-+ loff_t *pos)
- {
- yaffs_Object *obj;
- int nWritten, ipos;
-@@ -869,28 +1040,26 @@ static ssize_t yaffs_file_write(struct f
-
- inode = f->f_dentry->d_inode;
-
-- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) {
-+ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
- ipos = inode->i_size;
-- } else {
-+ else
- ipos = *pos;
-- }
-
-- if (!obj) {
-+ if (!obj)
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_file_write: hey obj is null!\n"));
-- } else {
-+ ("yaffs_file_write: hey obj is null!\n"));
-+ else
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_file_write about to write writing %d bytes"
-- "to object %d at %d\n",
-- n, obj->objectId, ipos));
-- }
-+ ("yaffs_file_write about to write writing %zu bytes"
-+ "to object %d at %d\n",
-+ n, obj->objectId, ipos));
-
- nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_file_write writing %d bytes, %d written at %d\n",
-- n, nWritten, ipos));
-+ ("yaffs_file_write writing %zu bytes, %d written at %d\n",
-+ n, nWritten, ipos));
-+
- if (nWritten > 0) {
- ipos += nWritten;
- *pos = ipos;
-@@ -899,10 +1068,9 @@ static ssize_t yaffs_file_write(struct f
- inode->i_blocks = (ipos + 511) >> 9;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG
-- "yaffs_file_write size updated to %d bytes, "
-- "%d blocks\n",
-- ipos, (int)(inode->i_blocks)));
-+ ("yaffs_file_write size updated to %d bytes, "
-+ "%d blocks\n",
-+ ipos, (int)(inode->i_blocks)));
- }
-
- }
-@@ -910,13 +1078,54 @@ static ssize_t yaffs_file_write(struct f
- return nWritten == 0 ? -ENOSPC : nWritten;
- }
-
-+/* Space holding and freeing is done to ensure we have space available for write_begin/end */
-+/* For now we just assume few parallel writes and check against a small number. */
-+/* Todo: need to do this with a counter to handle parallel reads better */
-+
-+static ssize_t yaffs_hold_space(struct file *f)
-+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
-+
-+ int nFreeChunks;
-+
-+
-+ obj = yaffs_DentryToObject(f->f_dentry);
-+
-+ dev = obj->myDev;
-+
-+ yaffs_GrossLock(dev);
-+
-+ nFreeChunks = yaffs_GetNumberOfFreeChunks(dev);
-+
-+ yaffs_GrossUnlock(dev);
-+
-+ return (nFreeChunks > 20) ? 1 : 0;
-+}
-+
-+static void yaffs_release_space(struct file *f)
-+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
-+
-+
-+ obj = yaffs_DentryToObject(f->f_dentry);
-+
-+ dev = obj->myDev;
-+
-+ yaffs_GrossLock(dev);
-+
-+
-+ yaffs_GrossUnlock(dev);
-+}
-+
- static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
- {
- yaffs_Object *obj;
- yaffs_Device *dev;
- struct inode *inode = f->f_dentry->d_inode;
- unsigned long offset, curoffs;
-- struct list_head *i;
-+ struct ylist_head *i;
- yaffs_Object *l;
-
- char name[YAFFS_MAX_NAME_LENGTH + 1];
-@@ -932,24 +1141,20 @@ static int yaffs_readdir(struct file *f,
-
- if (offset == 0) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_readdir: entry . ino %d \n",
-- (int)inode->i_ino));
-- if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR)
-- < 0) {
-+ ("yaffs_readdir: entry . ino %d \n",
-+ (int)inode->i_ino));
-+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0)
- goto out;
-- }
- offset++;
- f->f_pos++;
- }
- if (offset == 1) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_readdir: entry .. ino %d \n",
-- (int)f->f_dentry->d_parent->d_inode->i_ino));
-- if (filldir
-- (dirent, "..", 2, offset,
-- f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) {
-+ ("yaffs_readdir: entry .. ino %d \n",
-+ (int)f->f_dentry->d_parent->d_inode->i_ino));
-+ if (filldir(dirent, "..", 2, offset,
-+ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0)
- goto out;
-- }
- offset++;
- f->f_pos++;
- }
-@@ -965,35 +1170,32 @@ static int yaffs_readdir(struct file *f,
- f->f_version = inode->i_version;
- }
-
-- list_for_each(i, &obj->variant.directoryVariant.children) {
-+ ylist_for_each(i, &obj->variant.directoryVariant.children) {
- curoffs++;
- if (curoffs >= offset) {
-- l = list_entry(i, yaffs_Object, siblings);
-+ l = ylist_entry(i, yaffs_Object, siblings);
-
- yaffs_GetObjectName(l, name,
- YAFFS_MAX_NAME_LENGTH + 1);
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_readdir: %s inode %d\n", name,
-+ ("yaffs_readdir: %s inode %d\n", name,
- yaffs_GetObjectInode(l)));
-
- if (filldir(dirent,
-- name,
-- strlen(name),
-- offset,
-- yaffs_GetObjectInode(l),
-- yaffs_GetObjectType(l))
-- < 0) {
-+ name,
-+ strlen(name),
-+ offset,
-+ yaffs_GetObjectInode(l),
-+ yaffs_GetObjectType(l)) < 0)
- goto up_and_out;
-- }
-
- offset++;
- f->f_pos++;
- }
- }
-
-- up_and_out:
-- out:
--
-+up_and_out:
-+out:
- yaffs_GrossUnlock(dev);
-
- return 0;
-@@ -1002,12 +1204,19 @@ static int yaffs_readdir(struct file *f,
- /*
- * File creation. Allocate an inode, and we're done..
- */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
-+#define YCRED(x) x
-+#else
-+#define YCRED(x) (x->cred)
-+#endif
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- dev_t rdev)
-+ dev_t rdev)
- #else
- static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
-- int rdev)
-+ int rdev)
- #endif
- {
- struct inode *inode;
-@@ -1018,25 +1227,25 @@ static int yaffs_mknod(struct inode *dir
- yaffs_Object *parent = yaffs_InodeToObject(dir);
-
- int error = -ENOSPC;
-- uid_t uid = current->fsuid;
-- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-+ uid_t uid = YCRED(current)->fsuid;
-+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
-
-- if((dir->i_mode & S_ISGID) && S_ISDIR(mode))
-+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
- mode |= S_ISGID;
-
- if (parent) {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod: parent object %d type %d\n",
-- parent->objectId, parent->variantType));
-+ ("yaffs_mknod: parent object %d type %d\n",
-+ parent->objectId, parent->variantType));
- } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod: could not get parent object\n"));
-+ ("yaffs_mknod: could not get parent object\n"));
- return -EPERM;
- }
-
- T(YAFFS_TRACE_OS, ("yaffs_mknod: making oject for %s, "
-- "mode %x dev %x\n",
-- dentry->d_name.name, mode, rdev));
-+ "mode %x dev %x\n",
-+ dentry->d_name.name, mode, rdev));
-
- dev = parent->myDev;
-
-@@ -1045,33 +1254,28 @@ static int yaffs_mknod(struct inode *dir
- switch (mode & S_IFMT) {
- default:
- /* Special (socket, fifo, device...) */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG
-- "yaffs_mknod: making special\n"));
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-- obj =
-- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-- gid, old_encode_dev(rdev));
--#else
-- obj =
-- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-- gid, rdev);
-+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making special\n"));
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-+ gid, old_encode_dev(rdev));
-+#else
-+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
-+ gid, rdev);
- #endif
- break;
- case S_IFREG: /* file */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
-- obj =
-- yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
-- gid);
-+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making file\n"));
-+ obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
-+ gid);
- break;
- case S_IFDIR: /* directory */
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod: making directory\n"));
-- obj =
-- yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
-- uid, gid);
-+ ("yaffs_mknod: making directory\n"));
-+ obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
-+ uid, gid);
- break;
- case S_IFLNK: /* symlink */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making symlink\n"));
- obj = NULL; /* Do we ever get here? */
- break;
- }
-@@ -1083,12 +1287,12 @@ static int yaffs_mknod(struct inode *dir
- inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
- d_instantiate(dentry, inode);
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod created object %d count = %d\n",
-- obj->objectId, atomic_read(&inode->i_count)));
-+ ("yaffs_mknod created object %d count = %d\n",
-+ obj->objectId, atomic_read(&inode->i_count)));
- error = 0;
- } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_mknod failed making object\n"));
-+ ("yaffs_mknod failed making object\n"));
- error = -ENOMEM;
- }
-
-@@ -1098,25 +1302,19 @@ static int yaffs_mknod(struct inode *dir
- static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
- {
- int retVal;
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mkdir\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_mkdir\n"));
- retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
--#if 0
-- /* attempt to fix dir bug - didn't work */
-- if (!retVal) {
-- dget(dentry);
-- }
--#endif
- return retVal;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *n)
- #else
- static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode)
- #endif
- {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_create\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_create\n"));
- return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
- }
-
-@@ -1127,8 +1325,8 @@ static int yaffs_unlink(struct inode *di
- yaffs_Device *dev;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_unlink %d:%s\n", (int)(dir->i_ino),
-- dentry->d_name.name));
-+ ("yaffs_unlink %d:%s\n", (int)(dir->i_ino),
-+ dentry->d_name.name));
-
- dev = yaffs_InodeToObject(dir)->myDev;
-
-@@ -1151,82 +1349,74 @@ static int yaffs_unlink(struct inode *di
- * Create a link...
- */
- static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
-- struct dentry *dentry)
-+ struct dentry *dentry)
- {
- struct inode *inode = old_dentry->d_inode;
- yaffs_Object *obj = NULL;
- yaffs_Object *link = NULL;
- yaffs_Device *dev;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_link\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_link\n"));
-
- obj = yaffs_InodeToObject(inode);
- dev = obj->myDev;
-
- yaffs_GrossLock(dev);
-
-- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
-- {
-- link =
-- yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
-- obj);
-- }
-+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
-+ link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
-+ obj);
-
- if (link) {
- old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj);
- d_instantiate(dentry, old_dentry->d_inode);
- atomic_inc(&old_dentry->d_inode->i_count);
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_link link count %d i_count %d\n",
-- old_dentry->d_inode->i_nlink,
-- atomic_read(&old_dentry->d_inode->i_count)));
--
-+ ("yaffs_link link count %d i_count %d\n",
-+ old_dentry->d_inode->i_nlink,
-+ atomic_read(&old_dentry->d_inode->i_count)));
- }
-
- yaffs_GrossUnlock(dev);
-
-- if (link) {
--
-+ if (link)
- return 0;
-- }
-
- return -EPERM;
- }
-
- static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
-- const char *symname)
-+ const char *symname)
- {
- yaffs_Object *obj;
- yaffs_Device *dev;
-- uid_t uid = current->fsuid;
-- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
-+ uid_t uid = YCRED(current)->fsuid;
-+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_symlink\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_symlink\n"));
-
- dev = yaffs_InodeToObject(dir)->myDev;
- yaffs_GrossLock(dev);
- obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name,
-- S_IFLNK | S_IRWXUGO, uid, gid, symname);
-+ S_IFLNK | S_IRWXUGO, uid, gid, symname);
- yaffs_GrossUnlock(dev);
-
- if (obj) {
--
- struct inode *inode;
-
- inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
- d_instantiate(dentry, inode);
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink created OK\n"));
-+ T(YAFFS_TRACE_OS, ("symlink created OK\n"));
- return 0;
- } else {
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink not created\n"));
--
-+ T(YAFFS_TRACE_OS, ("symlink not created\n"));
- }
-
- return -ENOMEM;
- }
-
- static int yaffs_sync_object(struct file *file, struct dentry *dentry,
-- int datasync)
-+ int datasync)
- {
-
- yaffs_Object *obj;
-@@ -1236,7 +1426,7 @@ static int yaffs_sync_object(struct file
-
- dev = obj->myDev;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_object\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_sync_object\n"));
- yaffs_GrossLock(dev);
- yaffs_FlushFile(obj, 1);
- yaffs_GrossUnlock(dev);
-@@ -1255,41 +1445,36 @@ static int yaffs_rename(struct inode *ol
- int retVal = YAFFS_FAIL;
- yaffs_Object *target;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_rename\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_rename\n"));
- dev = yaffs_InodeToObject(old_dir)->myDev;
-
- yaffs_GrossLock(dev);
-
- /* Check if the target is an existing directory that is not empty. */
-- target =
-- yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
-- new_dentry->d_name.name);
-+ target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
-+ new_dentry->d_name.name);
-
-
-
-- if (target &&
-- target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-- !list_empty(&target->variant.directoryVariant.children)) {
-+ if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-+ !ylist_empty(&target->variant.directoryVariant.children)) {
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n"));
-+ T(YAFFS_TRACE_OS, ("target is non-empty dir\n"));
-
- retVal = YAFFS_FAIL;
- } else {
--
- /* Now does unlinking internally using shadowing mechanism */
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n"));
--
-- retVal =
-- yaffs_RenameObject(yaffs_InodeToObject(old_dir),
-- old_dentry->d_name.name,
-- yaffs_InodeToObject(new_dir),
-- new_dentry->d_name.name);
-+ T(YAFFS_TRACE_OS, ("calling yaffs_RenameObject\n"));
-
-+ retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir),
-+ old_dentry->d_name.name,
-+ yaffs_InodeToObject(new_dir),
-+ new_dentry->d_name.name);
- }
- yaffs_GrossUnlock(dev);
-
- if (retVal == YAFFS_OK) {
-- if(target) {
-+ if (target) {
- new_dentry->d_inode->i_nlink--;
- mark_inode_dirty(new_dentry->d_inode);
- }
-@@ -1298,7 +1483,6 @@ static int yaffs_rename(struct inode *ol
- } else {
- return -ENOTEMPTY;
- }
--
- }
-
- static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
-@@ -1308,15 +1492,15 @@ static int yaffs_setattr(struct dentry *
- yaffs_Device *dev;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_setattr of object %d\n",
-- yaffs_InodeToObject(inode)->objectId));
--
-- if ((error = inode_change_ok(inode, attr)) == 0) {
-+ ("yaffs_setattr of object %d\n",
-+ yaffs_InodeToObject(inode)->objectId));
-
-+ error = inode_change_ok(inode, attr);
-+ if (error == 0) {
- dev = yaffs_InodeToObject(inode)->myDev;
- yaffs_GrossLock(dev);
- if (yaffs_SetAttributes(yaffs_InodeToObject(inode), attr) ==
-- YAFFS_OK) {
-+ YAFFS_OK) {
- error = 0;
- } else {
- error = -EPERM;
-@@ -1328,12 +1512,12 @@ static int yaffs_setattr(struct dentry *
- return error;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
- {
- yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev;
- struct super_block *sb = dentry->d_sb;
--#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf)
- {
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-@@ -1343,32 +1527,53 @@ static int yaffs_statfs(struct super_blo
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
- #endif
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_statfs\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_statfs\n"));
-
- yaffs_GrossLock(dev);
-
- buf->f_type = YAFFS_MAGIC;
- buf->f_bsize = sb->s_blocksize;
- buf->f_namelen = 255;
-- if (sb->s_blocksize > dev->nDataBytesPerChunk) {
-+
-+ if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) {
-+ /* Do this if chunk size is not a power of 2 */
-+
-+ uint64_t bytesInDev;
-+ uint64_t bytesFree;
-+
-+ bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) *
-+ ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk));
-+
-+ do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */
-+ buf->f_blocks = bytesInDev;
-+
-+ bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) *
-+ ((uint64_t)(dev->nDataBytesPerChunk));
-+
-+ do_div(bytesFree, sb->s_blocksize);
-+
-+ buf->f_bfree = bytesFree;
-+
-+ } else if (sb->s_blocksize > dev->nDataBytesPerChunk) {
-
- buf->f_blocks =
-- (dev->endBlock - dev->startBlock +
-- 1) * dev->nChunksPerBlock / (sb->s_blocksize /
-- dev->nDataBytesPerChunk);
-+ (dev->endBlock - dev->startBlock + 1) *
-+ dev->nChunksPerBlock /
-+ (sb->s_blocksize / dev->nDataBytesPerChunk);
- buf->f_bfree =
-- yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize /
-- dev->nDataBytesPerChunk);
-+ yaffs_GetNumberOfFreeChunks(dev) /
-+ (sb->s_blocksize / dev->nDataBytesPerChunk);
- } else {
--
- buf->f_blocks =
-- (dev->endBlock - dev->startBlock +
-- 1) * dev->nChunksPerBlock * (dev->nDataBytesPerChunk /
-- sb->s_blocksize);
-+ (dev->endBlock - dev->startBlock + 1) *
-+ dev->nChunksPerBlock *
-+ (dev->nDataBytesPerChunk / sb->s_blocksize);
-+
- buf->f_bfree =
-- yaffs_GetNumberOfFreeChunks(dev) * (dev->nDataBytesPerChunk /
-- sb->s_blocksize);
-+ yaffs_GetNumberOfFreeChunks(dev) *
-+ (dev->nDataBytesPerChunk / sb->s_blocksize);
- }
-+
- buf->f_files = 0;
- buf->f_ffree = 0;
- buf->f_bavail = buf->f_bfree;
-@@ -1378,18 +1583,19 @@ static int yaffs_statfs(struct super_blo
- }
-
-
--/**
- static int yaffs_do_sync_fs(struct super_block *sb)
- {
-
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_do_sync_fs\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_do_sync_fs\n"));
-
-- if(sb->s_dirt) {
-+ if (sb->s_dirt) {
- yaffs_GrossLock(dev);
-
-- if(dev)
-+ if (dev) {
-+ yaffs_FlushEntireDeviceCache(dev);
- yaffs_CheckpointSave(dev);
-+ }
-
- yaffs_GrossUnlock(dev);
-
-@@ -1397,35 +1603,73 @@ static int yaffs_do_sync_fs(struct super
- }
- return 0;
- }
--**/
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static void yaffs_write_super(struct super_block *sb)
- #else
- static int yaffs_write_super(struct super_block *sb)
- #endif
- {
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_write_super\n"));
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
-- return 0; /* yaffs_do_sync_fs(sb);*/
-+ T(YAFFS_TRACE_OS, ("yaffs_write_super\n"));
-+ if (yaffs_auto_checkpoint >= 2)
-+ yaffs_do_sync_fs(sb);
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18))
-+ return 0;
- #endif
- }
-
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_sync_fs(struct super_block *sb, int wait)
- #else
- static int yaffs_sync_fs(struct super_block *sb)
- #endif
- {
-+ T(YAFFS_TRACE_OS, ("yaffs_sync_fs\n"));
-+
-+ if (yaffs_auto_checkpoint >= 1)
-+ yaffs_do_sync_fs(sb);
-+
-+ return 0;
-+}
-+
-+#ifdef YAFFS_USE_OWN_IGET
-+
-+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
-+{
-+ struct inode *inode;
-+ yaffs_Object *obj;
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
-+
-+ T(YAFFS_TRACE_OS,
-+ ("yaffs_iget for %lu\n", ino));
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n"));
-+ inode = iget_locked(sb, ino);
-+ if (!inode)
-+ return ERR_PTR(-ENOMEM);
-+ if (!(inode->i_state & I_NEW))
-+ return inode;
-+
-+ /* NB This is called as a side effect of other functions, but
-+ * we had to release the lock to prevent deadlocks, so
-+ * need to lock again.
-+ */
-
-- return 0; /* yaffs_do_sync_fs(sb);*/
-+ yaffs_GrossLock(dev);
-
-+ obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
-+
-+ yaffs_FillInodeFromObject(inode, obj);
-+
-+ yaffs_GrossUnlock(dev);
-+
-+ unlock_new_inode(inode);
-+ return inode;
- }
-
-+#else
-
- static void yaffs_read_inode(struct inode *inode)
- {
-@@ -1438,7 +1682,7 @@ static void yaffs_read_inode(struct inod
- yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb);
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino));
-+ ("yaffs_read_inode for %d\n", (int)inode->i_ino));
-
- yaffs_GrossLock(dev);
-
-@@ -1449,18 +1693,20 @@ static void yaffs_read_inode(struct inod
- yaffs_GrossUnlock(dev);
- }
-
--static LIST_HEAD(yaffs_dev_list);
-+#endif
-+
-+static YLIST_HEAD(yaffs_dev_list);
-
--#if 0 // not used
-+#if 0 /* not used */
- static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
- {
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-
-- if( *flags & MS_RDONLY ) {
-+ if (*flags & MS_RDONLY) {
- struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
-
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name ));
-+ ("yaffs_remount_fs: %s: RO\n", dev->name));
-
- yaffs_GrossLock(dev);
-
-@@ -1472,10 +1718,9 @@ static int yaffs_remount_fs(struct super
- mtd->sync(mtd);
-
- yaffs_GrossUnlock(dev);
-- }
-- else {
-+ } else {
- T(YAFFS_TRACE_OS,
-- (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name ));
-+ ("yaffs_remount_fs: %s: RW\n", dev->name));
- }
-
- return 0;
-@@ -1486,7 +1731,7 @@ static void yaffs_put_super(struct super
- {
- yaffs_Device *dev = yaffs_SuperToDevice(sb);
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n"));
-+ T(YAFFS_TRACE_OS, ("yaffs_put_super\n"));
-
- yaffs_GrossLock(dev);
-
-@@ -1494,18 +1739,17 @@ static void yaffs_put_super(struct super
-
- yaffs_CheckpointSave(dev);
-
-- if (dev->putSuperFunc) {
-+ if (dev->putSuperFunc)
- dev->putSuperFunc(sb);
-- }
-
- yaffs_Deinitialise(dev);
-
- yaffs_GrossUnlock(dev);
-
- /* we assume this is protected by lock_kernel() in mount/umount */
-- list_del(&dev->devList);
-+ ylist_del(&dev->devList);
-
-- if(dev->spareBuffer){
-+ if (dev->spareBuffer) {
- YFREE(dev->spareBuffer);
- dev->spareBuffer = NULL;
- }
-@@ -1516,12 +1760,10 @@ static void yaffs_put_super(struct super
-
- static void yaffs_MTDPutSuper(struct super_block *sb)
- {
--
- struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
-
-- if (mtd->sync) {
-+ if (mtd->sync)
- mtd->sync(mtd);
-- }
-
- put_mtd_device(mtd);
- }
-@@ -1531,9 +1773,9 @@ static void yaffs_MarkSuperBlockDirty(vo
- {
- struct super_block *sb = (struct super_block *)vsb;
-
-- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb));
--// if(sb)
--// sb->s_dirt = 1;
-+ T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb));
-+ if (sb)
-+ sb->s_dirt = 1;
- }
-
- typedef struct {
-@@ -1546,48 +1788,48 @@ typedef struct {
- #define MAX_OPT_LEN 20
- static int yaffs_parse_options(yaffs_options *options, const char *options_str)
- {
-- char cur_opt[MAX_OPT_LEN+1];
-+ char cur_opt[MAX_OPT_LEN + 1];
- int p;
- int error = 0;
-
- /* Parse through the options which is a comma seperated list */
-
-- while(options_str && *options_str && !error){
-- memset(cur_opt,0,MAX_OPT_LEN+1);
-+ while (options_str && *options_str && !error) {
-+ memset(cur_opt, 0, MAX_OPT_LEN + 1);
- p = 0;
-
-- while(*options_str && *options_str != ','){
-- if(p < MAX_OPT_LEN){
-+ while (*options_str && *options_str != ',') {
-+ if (p < MAX_OPT_LEN) {
- cur_opt[p] = *options_str;
- p++;
- }
- options_str++;
- }
-
-- if(!strcmp(cur_opt,"inband-tags"))
-+ if (!strcmp(cur_opt, "inband-tags"))
- options->inband_tags = 1;
-- else if(!strcmp(cur_opt,"no-cache"))
-+ else if (!strcmp(cur_opt, "no-cache"))
- options->no_cache = 1;
-- else if(!strcmp(cur_opt,"no-checkpoint-read"))
-+ else if (!strcmp(cur_opt, "no-checkpoint-read"))
- options->skip_checkpoint_read = 1;
-- else if(!strcmp(cur_opt,"no-checkpoint-write"))
-+ else if (!strcmp(cur_opt, "no-checkpoint-write"))
- options->skip_checkpoint_write = 1;
-- else if(!strcmp(cur_opt,"no-checkpoint")){
-+ else if (!strcmp(cur_opt, "no-checkpoint")) {
- options->skip_checkpoint_read = 1;
- options->skip_checkpoint_write = 1;
- } else {
-- printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt);
-+ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",
-+ cur_opt);
- error = 1;
- }
--
- }
-
- return error;
- }
-
- static struct super_block *yaffs_internal_read_super(int yaffsVersion,
-- struct super_block *sb,
-- void *data, int silent)
-+ struct super_block *sb,
-+ void *data, int silent)
- {
- int nBlocks;
- struct inode *inode = NULL;
-@@ -1602,6 +1844,7 @@ static struct super_block *yaffs_interna
-
- sb->s_magic = YAFFS_MAGIC;
- sb->s_op = &yaffs_super_ops;
-+ sb->s_flags |= MS_NOATIME;
-
- if (!sb)
- printk(KERN_INFO "yaffs: sb is NULL\n");
-@@ -1614,14 +1857,14 @@ static struct super_block *yaffs_interna
- sb->s_dev,
- yaffs_devname(sb, devname_buf));
-
-- if(!data_str)
-+ if (!data_str)
- data_str = "";
-
-- printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str);
-+ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str);
-
-- memset(&options,0,sizeof(options));
-+ memset(&options, 0, sizeof(options));
-
-- if(yaffs_parse_options(&options,data_str)){
-+ if (yaffs_parse_options(&options, data_str)) {
- /* Option parsing failed */
- return NULL;
- }
-@@ -1645,9 +1888,9 @@ static struct super_block *yaffs_interna
- yaffs_devname(sb, devname_buf)));
-
- /* Check it's an mtd device..... */
-- if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) {
-+ if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR)
- return NULL; /* This isn't an mtd device */
-- }
-+
- /* Get the device */
- mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
- if (!mtd) {
-@@ -1673,29 +1916,23 @@ static struct super_block *yaffs_interna
- T(YAFFS_TRACE_OS, (" %s %d\n", WRITE_SIZE_STR, WRITE_SIZE(mtd)));
- T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize));
- T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize));
-- T(YAFFS_TRACE_OS, (" size %d\n", mtd->size));
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
-+ T(YAFFS_TRACE_OS, (" size %u\n", mtd->size));
-+#else
-+ T(YAFFS_TRACE_OS, (" size %lld\n", mtd->size));
-+#endif
-
- #ifdef CONFIG_YAFFS_AUTO_YAFFS2
-
-- if (yaffsVersion == 1 &&
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- mtd->writesize >= 2048) {
--#else
-- mtd->oobblock >= 2048) {
--#endif
-- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n"));
-- yaffsVersion = 2;
-+ if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) {
-+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs2\n"));
-+ yaffsVersion = 2;
- }
-
- /* Added NCB 26/5/2006 for completeness */
-- if (yaffsVersion == 2 &&
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- mtd->writesize == 512) {
--#else
-- mtd->oobblock == 512) {
--#endif
-- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n"));
-- yaffsVersion = 1;
-+ if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) {
-+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs1\n"));
-+ yaffsVersion = 1;
- }
-
- #endif
-@@ -1707,7 +1944,7 @@ static struct super_block *yaffs_interna
- !mtd->block_markbad ||
- !mtd->read ||
- !mtd->write ||
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- !mtd->read_oob || !mtd->write_oob) {
- #else
- !mtd->write_ecc ||
-@@ -1719,12 +1956,9 @@ static struct super_block *yaffs_interna
- return NULL;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- if (mtd->writesize < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
--#else
-- if (mtd->oobblock < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
--#endif
-- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) {
-+ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
-+ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
-+ !options.inband_tags) {
- T(YAFFS_TRACE_ALWAYS,
- ("yaffs: MTD device does not have the "
- "right page sizes\n"));
-@@ -1735,7 +1969,7 @@ static struct super_block *yaffs_interna
- if (!mtd->erase ||
- !mtd->read ||
- !mtd->write ||
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- !mtd->read_oob || !mtd->write_oob) {
- #else
- !mtd->write_ecc ||
-@@ -1761,7 +1995,7 @@ static struct super_block *yaffs_interna
- * Set the yaffs_Device up for mtd
- */
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
- #else
- sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
-@@ -1780,13 +2014,15 @@ static struct super_block *yaffs_interna
-
- /* Set up the memory size parameters.... */
-
-- nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
-+ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
-+
- dev->startBlock = 0;
- dev->endBlock = nBlocks - 1;
- dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
-- dev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
-+ dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
- dev->nReservedBlocks = 5;
- dev->nShortOpCaches = (options.no_cache) ? 0 : 10;
-+ dev->inbandTags = options.inband_tags;
-
- /* ... and the functions. */
- if (yaffsVersion == 2) {
-@@ -1798,20 +2034,19 @@ static struct super_block *yaffs_interna
- dev->queryNANDBlock = nandmtd2_QueryNANDBlock;
- dev->spareBuffer = YMALLOC(mtd->oobsize);
- dev->isYaffs2 = 1;
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- dev->nDataBytesPerChunk = mtd->writesize;
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ dev->totalBytesPerChunk = mtd->writesize;
- dev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
- #else
-- dev->nDataBytesPerChunk = mtd->oobblock;
-+ dev->totalBytesPerChunk = mtd->oobblock;
- dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
- #endif
-- nBlocks = mtd->size / mtd->erasesize;
-+ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
-
-- dev->nCheckpointReservedBlocks = CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS;
- dev->startBlock = 0;
- dev->endBlock = nBlocks - 1;
- } else {
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- /* use the MTD interface in yaffs_mtdif1.c */
- dev->writeChunkWithTagsToNAND =
- nandmtd1_WriteChunkWithTagsToNAND;
-@@ -1847,7 +2082,7 @@ static struct super_block *yaffs_interna
- dev->skipCheckpointWrite = options.skip_checkpoint_write;
-
- /* we assume this is protected by lock_kernel() in mount/umount */
-- list_add_tail(&dev->devList, &yaffs_dev_list);
-+ ylist_add_tail(&dev->devList, &yaffs_dev_list);
-
- init_MUTEX(&dev->grossLock);
-
-@@ -1884,20 +2119,23 @@ static struct super_block *yaffs_interna
- return NULL;
- }
- sb->s_root = root;
-+ sb->s_dirt = !dev->isCheckpointed;
-+ T(YAFFS_TRACE_ALWAYS,
-+ ("yaffs_read_super: isCheckpointed %d\n", dev->isCheckpointed));
-
- T(YAFFS_TRACE_OS, ("yaffs_read_super: done\n"));
- return sb;
- }
-
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
- int silent)
- {
- return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs_read_super(struct file_system_type *fs,
- int flags, const char *dev_name,
- void *data, struct vfsmount *mnt)
-@@ -1938,14 +2176,14 @@ static DECLARE_FSTYPE(yaffs_fs_type, "ya
-
- #ifdef CONFIG_YAFFS_YAFFS2
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
- int silent)
- {
- return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
- }
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- static int yaffs2_read_super(struct file_system_type *fs,
- int flags, const char *dev_name, void *data,
- struct vfsmount *mnt)
-@@ -1990,12 +2228,12 @@ static char *yaffs_dump_dev(char *buf, y
- {
- buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock);
- buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock);
-+ buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk);
- buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk);
- buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits);
- buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize);
- buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks);
- buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks);
-- buf += sprintf(buf, "nCheckptResBlocks.. %d\n", dev->nCheckpointReservedBlocks);
- buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint);
- buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated);
- buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes);
-@@ -2006,10 +2244,8 @@ static char *yaffs_dump_dev(char *buf, y
- buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads);
- buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures);
- buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies);
-- buf +=
-- sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
-- buf +=
-- sprintf(buf, "passiveGCs......... %d\n",
-+ buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
-+ buf += sprintf(buf, "passiveGCs......... %d\n",
- dev->passiveGarbageCollections);
- buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites);
- buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches);
-@@ -2025,6 +2261,7 @@ static char *yaffs_dump_dev(char *buf, y
- sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions);
- buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC);
- buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2);
-+ buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags);
-
- return buf;
- }
-@@ -2033,7 +2270,7 @@ static int yaffs_proc_read(char *page,
- char **start,
- off_t offset, int count, int *eof, void *data)
- {
-- struct list_head *item;
-+ struct ylist_head *item;
- char *buf = page;
- int step = offset;
- int n = 0;
-@@ -2057,8 +2294,8 @@ static int yaffs_proc_read(char *page,
- lock_kernel();
-
- /* Locate and print the Nth entry. Order N-squared but N is small. */
-- list_for_each(item, &yaffs_dev_list) {
-- yaffs_Device *dev = list_entry(item, yaffs_Device, devList);
-+ ylist_for_each(item, &yaffs_dev_list) {
-+ yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList);
- if (n < step) {
- n++;
- continue;
-@@ -2119,7 +2356,7 @@ static int yaffs_proc_write(struct file
- char *end;
- char *mask_name;
- const char *x;
-- char substring[MAX_MASK_NAME_LENGTH+1];
-+ char substring[MAX_MASK_NAME_LENGTH + 1];
- int i;
- int done = 0;
- int add, len = 0;
-@@ -2129,9 +2366,8 @@ static int yaffs_proc_write(struct file
-
- while (!done && (pos < count)) {
- done = 1;
-- while ((pos < count) && isspace(buf[pos])) {
-+ while ((pos < count) && isspace(buf[pos]))
- pos++;
-- }
-
- switch (buf[pos]) {
- case '+':
-@@ -2148,20 +2384,21 @@ static int yaffs_proc_write(struct file
- mask_name = NULL;
-
- mask_bitfield = simple_strtoul(buf + pos, &end, 0);
-+
- if (end > buf + pos) {
- mask_name = "numeral";
- len = end - (buf + pos);
- pos += len;
- done = 0;
- } else {
-- for(x = buf + pos, i = 0;
-- (*x == '_' || (*x >='a' && *x <= 'z')) &&
-- i <MAX_MASK_NAME_LENGTH; x++, i++, pos++)
-- substring[i] = *x;
-+ for (x = buf + pos, i = 0;
-+ (*x == '_' || (*x >= 'a' && *x <= 'z')) &&
-+ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++)
-+ substring[i] = *x;
- substring[i] = '\0';
-
- for (i = 0; mask_flags[i].mask_name != NULL; i++) {
-- if(strcmp(substring,mask_flags[i].mask_name) == 0){
-+ if (strcmp(substring, mask_flags[i].mask_name) == 0) {
- mask_name = mask_flags[i].mask_name;
- mask_bitfield = mask_flags[i].mask_bitfield;
- done = 0;
-@@ -2172,7 +2409,7 @@ static int yaffs_proc_write(struct file
-
- if (mask_name != NULL) {
- done = 0;
-- switch(add) {
-+ switch (add) {
- case '-':
- rg &= ~mask_bitfield;
- break;
-@@ -2191,13 +2428,13 @@ static int yaffs_proc_write(struct file
-
- yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS;
-
-- printk("new trace = 0x%08X\n",yaffs_traceMask);
-+ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask);
-
- if (rg & YAFFS_TRACE_ALWAYS) {
- for (i = 0; mask_flags[i].mask_name != NULL; i++) {
- char flag;
- flag = ((rg & mask_flags[i].mask_bitfield) == mask_flags[i].mask_bitfield) ? '+' : '-';
-- printk("%c%s\n", flag, mask_flags[i].mask_name);
-+ printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name);
- }
- }
-
-@@ -2211,12 +2448,8 @@ struct file_system_to_install {
- };
-
- static struct file_system_to_install fs_to_install[] = {
--//#ifdef CONFIG_YAFFS_YAFFS1
- {&yaffs_fs_type, 0},
--//#endif
--//#ifdef CONFIG_YAFFS_YAFFS2
- {&yaffs2_fs_type, 0},
--//#endif
- {NULL, 0}
- };
-
-@@ -2231,15 +2464,14 @@ static int __init init_yaffs_fs(void)
- /* Install the proc_fs entry */
- my_proc_entry = create_proc_entry("yaffs",
- S_IRUGO | S_IFREG,
-- &proc_root);
-+ YPROC_ROOT);
-
- if (my_proc_entry) {
- my_proc_entry->write_proc = yaffs_proc_write;
- my_proc_entry->read_proc = yaffs_proc_read;
- my_proc_entry->data = NULL;
-- } else {
-+ } else
- return -ENOMEM;
-- }
-
- /* Now add the file system entries */
-
-@@ -2247,9 +2479,8 @@ static int __init init_yaffs_fs(void)
-
- while (fsinst->fst && !error) {
- error = register_filesystem(fsinst->fst);
-- if (!error) {
-+ if (!error)
- fsinst->installed = 1;
-- }
- fsinst++;
- }
-
-@@ -2277,7 +2508,7 @@ static void __exit exit_yaffs_fs(void)
- T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__
- " removing. \n"));
-
-- remove_proc_entry("yaffs", &proc_root);
-+ remove_proc_entry("yaffs", YPROC_ROOT);
-
- fsinst = fs_to_install;
-
-@@ -2288,7 +2519,6 @@ static void __exit exit_yaffs_fs(void)
- }
- fsinst++;
- }
--
- }
-
- module_init(init_yaffs_fs)
---- /dev/null
-+++ b/fs/yaffs2/yaffs_getblockinfo.h
-@@ -0,0 +1,34 @@
-+/*
-+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
-+ *
-+ * Copyright (C) 2002-2007 Aleph One Ltd.
-+ * for Toby Churchill Ltd and Brightstar Engineering
-+ *
-+ * Created by Charles Manning <charles@aleph1.co.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU Lesser General Public License version 2.1 as
-+ * published by the Free Software Foundation.
-+ *
-+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
-+ */
-+
-+#ifndef __YAFFS_GETBLOCKINFO_H__
-+#define __YAFFS_GETBLOCKINFO_H__
-+
-+#include "yaffs_guts.h"
-+
-+/* Function to manipulate block info */
-+static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
-+{
-+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR
-+ ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
-+ blk));
-+ YBUG();
-+ }
-+ return &dev->blockInfo[blk - dev->internalStartBlock];
-+}
-+
-+#endif
---- a/fs/yaffs2/yaffs_guts.c
-+++ b/fs/yaffs2/yaffs_guts.c
-@@ -12,16 +12,17 @@
- */
-
- const char *yaffs_guts_c_version =
-- "$Id: yaffs_guts.c,v 1.49 2007-05-15 20:07:40 charles Exp $";
-+ "$Id: yaffs_guts.c,v 1.82 2009-03-09 04:24:17 charles Exp $";
-
- #include "yportenv.h"
-
- #include "yaffsinterface.h"
- #include "yaffs_guts.h"
- #include "yaffs_tagsvalidity.h"
-+#include "yaffs_getblockinfo.h"
-
- #include "yaffs_tagscompat.h"
--#ifndef CONFIG_YAFFS_USE_OWN_SORT
-+#ifndef CONFIG_YAFFS_USE_OWN_SORT
- #include "yaffs_qsort.h"
- #endif
- #include "yaffs_nand.h"
-@@ -32,116 +33,116 @@ const char *yaffs_guts_c_version =
- #include "yaffs_packedtags2.h"
-
-
--#ifdef CONFIG_YAFFS_WINCE
--void yfsd_LockYAFFS(BOOL fsLockOnly);
--void yfsd_UnlockYAFFS(BOOL fsLockOnly);
--#endif
--
- #define YAFFS_PASSIVE_GC_CHUNKS 2
-
- #include "yaffs_ecc.h"
-
-
- /* Robustification (if it ever comes about...) */
--static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND);
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk);
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags);
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_ExtendedTags * tags);
-+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
-+ int erasedOk);
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_ExtendedTags *tags);
-
- /* Other local prototypes */
--static int yaffs_UnlinkObject( yaffs_Object *obj);
-+static int yaffs_UnlinkObject(yaffs_Object *obj);
- static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj);
-
- static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
-
--static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device * dev,
-- const __u8 * buffer,
-- yaffs_ExtendedTags * tags,
-- int useReserve);
--static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
-- int chunkInNAND, int inScan);
--
--static yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
-- yaffs_ObjectType type);
--static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
-- yaffs_Object * obj);
--static int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name,
-- int force, int isShrink, int shadows);
--static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj);
-+static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev,
-+ const __u8 *buffer,
-+ yaffs_ExtendedTags *tags,
-+ int useReserve);
-+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
-+ int chunkInNAND, int inScan);
-+
-+static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
-+ yaffs_ObjectType type);
-+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
-+ yaffs_Object *obj);
-+static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
-+ int force, int isShrink, int shadows);
-+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj);
- static int yaffs_CheckStructures(void);
--static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
-- int chunkOffset, int *limit);
--static int yaffs_DoGenericObjectDeletion(yaffs_Object * in);
--
--static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blockNo);
--
--static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo);
--static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
-- int lineNo);
-+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
-+ int chunkOffset, int *limit);
-+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in);
-+
-+static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo);
-
--static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND);
-
--static int yaffs_UnlinkWorker(yaffs_Object * obj);
--static void yaffs_DestroyObject(yaffs_Object * obj);
-+static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND);
-
--static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
-- int chunkInObject);
-+static int yaffs_UnlinkWorker(yaffs_Object *obj);
-
--loff_t yaffs_GetFileSize(yaffs_Object * obj);
-+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
-+ int chunkInObject);
-
--static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr);
-+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
-+ yaffs_BlockInfo **blockUsedPtr);
-
--static void yaffs_VerifyFreeChunks(yaffs_Device * dev);
-+static void yaffs_VerifyFreeChunks(yaffs_Device *dev);
-
- static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in);
-
-+static void yaffs_VerifyDirectory(yaffs_Object *directory);
- #ifdef YAFFS_PARANOID
--static int yaffs_CheckFileSanity(yaffs_Object * in);
-+static int yaffs_CheckFileSanity(yaffs_Object *in);
- #else
- #define yaffs_CheckFileSanity(in)
- #endif
-
--static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in);
--static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId);
-+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in);
-+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId);
-
- static void yaffs_InvalidateCheckpoint(yaffs_Device *dev);
-
--static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
-- yaffs_ExtendedTags * tags);
-+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags);
-
--static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos);
--static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct,
-- __u32 chunkId);
-+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
-+ unsigned pos);
-+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId);
-
-
- /* Function to calculate chunk and offset */
-
--static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u32 *offset)
-+static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut,
-+ __u32 *offsetOut)
- {
-- if(dev->chunkShift){
-- /* Easy-peasy power of 2 case */
-- *chunk = (__u32)(addr >> dev->chunkShift);
-- *offset = (__u32)(addr & dev->chunkMask);
-- }
-- else if(dev->crumbsPerChunk)
-- {
-- /* Case where we're using "crumbs" */
-- *offset = (__u32)(addr & dev->crumbMask);
-- addr >>= dev->crumbShift;
-- *chunk = ((__u32)addr)/dev->crumbsPerChunk;
-- *offset += ((addr - (*chunk * dev->crumbsPerChunk)) << dev->crumbShift);
-+ int chunk;
-+ __u32 offset;
-+
-+ chunk = (__u32)(addr >> dev->chunkShift);
-+
-+ if (dev->chunkDiv == 1) {
-+ /* easy power of 2 case */
-+ offset = (__u32)(addr & dev->chunkMask);
-+ } else {
-+ /* Non power-of-2 case */
-+
-+ loff_t chunkBase;
-+
-+ chunk /= dev->chunkDiv;
-+
-+ chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk;
-+ offset = (__u32)(addr - chunkBase);
- }
-- else
-- YBUG();
-+
-+ *chunkOut = chunk;
-+ *offsetOut = offset;
- }
-
--/* Function to return the number of shifts for a power of 2 greater than or equal
-- * to the given number
-+/* Function to return the number of shifts for a power of 2 greater than or
-+ * equal to the given number
- * Note we don't try to cater for all possible numbers and this does not have to
- * be hellishly efficient.
- */
-@@ -153,13 +154,14 @@ static __u32 ShiftsGE(__u32 x)
-
- nShifts = extraBits = 0;
-
-- while(x>1){
-- if(x & 1) extraBits++;
-- x>>=1;
-+ while (x > 1) {
-+ if (x & 1)
-+ extraBits++;
-+ x >>= 1;
- nShifts++;
- }
-
-- if(extraBits)
-+ if (extraBits)
- nShifts++;
-
- return nShifts;
-@@ -168,16 +170,17 @@ static __u32 ShiftsGE(__u32 x)
- /* Function to return the number of shifts to get a 1 in bit 0
- */
-
--static __u32 ShiftDiv(__u32 x)
-+static __u32 Shifts(__u32 x)
- {
- int nShifts;
-
- nShifts = 0;
-
-- if(!x) return 0;
-+ if (!x)
-+ return 0;
-
-- while( !(x&1)){
-- x>>=1;
-+ while (!(x&1)) {
-+ x >>= 1;
- nShifts++;
- }
-
-@@ -195,21 +198,25 @@ static int yaffs_InitialiseTempBuffers(y
- int i;
- __u8 *buf = (__u8 *)1;
-
-- memset(dev->tempBuffer,0,sizeof(dev->tempBuffer));
-+ memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer));
-
- for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
- dev->tempBuffer[i].line = 0; /* not in use */
- dev->tempBuffer[i].buffer = buf =
-- YMALLOC_DMA(dev->nDataBytesPerChunk);
-+ YMALLOC_DMA(dev->totalBytesPerChunk);
- }
-
- return buf ? YAFFS_OK : YAFFS_FAIL;
--
- }
-
--static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo)
-+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo)
- {
- int i, j;
-+
-+ dev->tempInUse++;
-+ if (dev->tempInUse > dev->maxTemp)
-+ dev->maxTemp = dev->tempInUse;
-+
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->tempBuffer[i].line == 0) {
- dev->tempBuffer[i].line = lineNo;
-@@ -227,9 +234,9 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D
- T(YAFFS_TRACE_BUFFERS,
- (TSTR("Out of temp buffers at line %d, other held by lines:"),
- lineNo));
-- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
-+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line));
-- }
-+
- T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR)));
-
- /*
-@@ -242,10 +249,13 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D
-
- }
-
--static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
-+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer,
- int lineNo)
- {
- int i;
-+
-+ dev->tempInUse--;
-+
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->tempBuffer[i].buffer == buffer) {
- dev->tempBuffer[i].line = 0;
-@@ -267,27 +277,26 @@ static void yaffs_ReleaseTempBuffer(yaff
- /*
- * Determine if we have a managed buffer.
- */
--int yaffs_IsManagedTempBuffer(yaffs_Device * dev, const __u8 * buffer)
-+int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer)
- {
- int i;
-+
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->tempBuffer[i].buffer == buffer)
- return 1;
-+ }
-
-+ for (i = 0; i < dev->nShortOpCaches; i++) {
-+ if (dev->srCache[i].data == buffer)
-+ return 1;
- }
-
-- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if( dev->srCache[i].data == buffer )
-- return 1;
--
-- }
--
-- if (buffer == dev->checkpointBuffer)
-- return 1;
--
-- T(YAFFS_TRACE_ALWAYS,
-- (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
-- return 0;
-+ if (buffer == dev->checkpointBuffer)
-+ return 1;
-+
-+ T(YAFFS_TRACE_ALWAYS,
-+ (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
-+ return 0;
- }
-
-
-@@ -296,62 +305,63 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi
- * Chunk bitmap manipulations
- */
-
--static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device * dev, int blk)
-+static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk)
- {
- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
- T(YAFFS_TRACE_ERROR,
-- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
-- blk));
-+ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
-+ blk));
- YBUG();
- }
- return dev->chunkBits +
-- (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
-+ (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
- }
-
- static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk)
- {
-- if(blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
-- chunk < 0 || chunk >= dev->nChunksPerBlock) {
-- T(YAFFS_TRACE_ERROR,
-- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),blk,chunk));
-- YBUG();
-+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
-+ chunk < 0 || chunk >= dev->nChunksPerBlock) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),
-+ blk, chunk));
-+ YBUG();
- }
- }
-
--static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device * dev, int blk)
-+static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device *dev, int blk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
- memset(blkBits, 0, dev->chunkBitmapStride);
- }
-
--static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk)
-+static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
-- yaffs_VerifyChunkBitId(dev,blk,chunk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- blkBits[chunk / 8] &= ~(1 << (chunk & 7));
- }
-
--static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk)
-+static Y_INLINE void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
-- yaffs_VerifyChunkBitId(dev,blk,chunk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- blkBits[chunk / 8] |= (1 << (chunk & 7));
- }
-
--static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device * dev, int blk, int chunk)
-+static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-- yaffs_VerifyChunkBitId(dev,blk,chunk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
- }
-
--static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device * dev, int blk)
-+static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
- int i;
-@@ -363,17 +373,17 @@ static Y_INLINE int yaffs_StillSomeChunk
- return 0;
- }
-
--static int yaffs_CountChunkBits(yaffs_Device * dev, int blk)
-+static int yaffs_CountChunkBits(yaffs_Device *dev, int blk)
- {
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
- int i;
- int n = 0;
- for (i = 0; i < dev->chunkBitmapStride; i++) {
- __u8 x = *blkBits;
-- while(x){
-- if(x & 1)
-+ while (x) {
-+ if (x & 1)
- n++;
-- x >>=1;
-+ x >>= 1;
- }
-
- blkBits++;
-@@ -400,7 +410,7 @@ static int yaffs_SkipNANDVerification(ya
- return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND));
- }
-
--static const char * blockStateName[] = {
-+static const char *blockStateName[] = {
- "Unknown",
- "Needs scanning",
- "Scanning",
-@@ -413,64 +423,65 @@ static const char * blockStateName[] = {
- "Dead"
- };
-
--static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
-+static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
- {
- int actuallyUsed;
- int inUse;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- /* Report illegal runtime states */
-- if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState));
-+ if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState));
-
-- switch(bi->blockState){
-- case YAFFS_BLOCK_STATE_UNKNOWN:
-- case YAFFS_BLOCK_STATE_SCANNING:
-- case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has bad run-state %s"TENDSTR),
-- n,blockStateName[bi->blockState]));
-+ switch (bi->blockState) {
-+ case YAFFS_BLOCK_STATE_UNKNOWN:
-+ case YAFFS_BLOCK_STATE_SCANNING:
-+ case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR),
-+ n, blockStateName[bi->blockState]));
- }
-
- /* Check pages in use and soft deletions are legal */
-
- actuallyUsed = bi->pagesInUse - bi->softDeletions;
-
-- if(bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
-+ if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
- bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock ||
- actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
-- n,bi->pagesInUse,bi->softDeletions));
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
-+ n, bi->pagesInUse, bi->softDeletions));
-
-
- /* Check chunk bitmap legal */
-- inUse = yaffs_CountChunkBits(dev,n);
-- if(inUse != bi->pagesInUse)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
-- n,bi->pagesInUse,inUse));
-+ inUse = yaffs_CountChunkBits(dev, n);
-+ if (inUse != bi->pagesInUse)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
-+ n, bi->pagesInUse, inUse));
-
- /* Check that the sequence number is valid.
- * Ten million is legal, but is very unlikely
- */
-- if(dev->isYaffs2 &&
-+ if (dev->isYaffs2 &&
- (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) &&
-- (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000 ))
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has suspect sequence number of %d"TENDSTR),
-- n,bi->sequenceNumber));
--
-+ (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000))
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR),
-+ n, bi->sequenceNumber));
- }
-
--static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
-+static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi,
-+ int n)
- {
-- yaffs_VerifyBlock(dev,bi,n);
-+ yaffs_VerifyBlock(dev, bi, n);
-
- /* After collection the block should be in the erased state */
-- /* TODO: This will need to change if we do partial gc */
-+ /* This will need to change if we do partial gc */
-
-- if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){
-- T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
-- n,bi->blockState));
-+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING &&
-+ bi->blockState != YAFFS_BLOCK_STATE_EMPTY) {
-+ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
-+ n, bi->blockState));
- }
- }
-
-@@ -480,52 +491,49 @@ static void yaffs_VerifyBlocks(yaffs_Dev
- int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES];
- int nIllegalBlockStates = 0;
-
--
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
-- memset(nBlocksPerState,0,sizeof(nBlocksPerState));
--
-+ memset(nBlocksPerState, 0, sizeof(nBlocksPerState));
-
-- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++){
-- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
-- yaffs_VerifyBlock(dev,bi,i);
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ yaffs_VerifyBlock(dev, bi, i);
-
-- if(bi->blockState >=0 && bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
-+ if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
- nBlocksPerState[bi->blockState]++;
- else
- nIllegalBlockStates++;
--
- }
-
-- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
-- T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR)));
-
-- T(YAFFS_TRACE_VERIFY,(TSTR("%d blocks have illegal states"TENDSTR),nIllegalBlockStates));
-- if(nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
-- T(YAFFS_TRACE_VERIFY,(TSTR("Too many allocating blocks"TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates));
-+ if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR)));
-
-- for(i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
-+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("%s %d blocks"TENDSTR),
-- blockStateName[i],nBlocksPerState[i]));
-+ blockStateName[i], nBlocksPerState[i]));
-
-- if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
-+ if (dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR),
- dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]));
-
-- if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
-+ if (dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Erased block count wrong dev %d count %d"TENDSTR),
- dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]));
-
-- if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
-+ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR),
- nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING]));
-
-- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
-+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
-
- }
-
-@@ -535,26 +543,26 @@ static void yaffs_VerifyBlocks(yaffs_Dev
- */
- static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck)
- {
-- if(yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-
-- if(!(tags && obj && oh)){
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
-- (__u32)tags,(__u32)obj,(__u32)oh));
-+ if (!(tags && obj && oh)) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
-+ (__u32)tags, (__u32)obj, (__u32)oh));
- return;
- }
-
-- if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
-- oh->type > YAFFS_OBJECT_TYPE_MAX)
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
-- tags->objectId, oh->type));
--
-- if(tags->objectId != obj->objectId)
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
-- tags->objectId, obj->objectId));
-+ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
-+ oh->type > YAFFS_OBJECT_TYPE_MAX)
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
-+ tags->objectId, oh->type));
-+
-+ if (tags->objectId != obj->objectId)
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
-+ tags->objectId, obj->objectId));
-
-
- /*
-@@ -563,46 +571,43 @@ static void yaffs_VerifyObjectHeader(yaf
- * Tests do not apply to the root object.
- */
-
-- if(parentCheck && tags->objectId > 1 && !obj->parent)
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
-- tags->objectId, oh->parentObjectId));
--
--
-- if(parentCheck && obj->parent &&
-- oh->parentObjectId != obj->parent->objectId &&
-- (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
-- obj->parent->objectId != YAFFS_OBJECTID_DELETED))
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
-- tags->objectId, oh->parentObjectId, obj->parent->objectId));
-+ if (parentCheck && tags->objectId > 1 && !obj->parent)
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
-+ tags->objectId, oh->parentObjectId));
-
-+ if (parentCheck && obj->parent &&
-+ oh->parentObjectId != obj->parent->objectId &&
-+ (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
-+ obj->parent->objectId != YAFFS_OBJECTID_DELETED))
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
-+ tags->objectId, oh->parentObjectId, obj->parent->objectId));
-
-- if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */
-+ if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */
- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header name is NULL"TENDSTR),
-- obj->objectId));
-+ (TSTR("Obj %d header name is NULL"TENDSTR),
-+ obj->objectId));
-
-- if(tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
-+ if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d header name is 0xFF"TENDSTR),
-- obj->objectId));
-+ (TSTR("Obj %d header name is 0xFF"TENDSTR),
-+ obj->objectId));
- }
-
-
-
--static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn,
-- __u32 level, int chunkOffset)
-+static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
- {
- int i;
- yaffs_Device *dev = obj->myDev;
- int ok = 1;
-- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
- if (tn) {
- if (level > 0) {
-
-- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
-+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
- if (tn->internal[i]) {
- ok = yaffs_VerifyTnodeWorker(obj,
- tn->internal[i],
-@@ -611,20 +616,19 @@ static int yaffs_VerifyTnodeWorker(yaffs
- }
- }
- } else if (level == 0) {
-- int i;
- yaffs_ExtendedTags tags;
- __u32 objectId = obj->objectId;
-
- chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS;
-
-- for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){
-- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-+ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) {
-+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-
-- if(theChunk > 0){
-+ if (theChunk > 0) {
- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */
-- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
-- if(tags.objectId != objectId || tags.chunkId != chunkOffset){
-- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
-+ if (tags.objectId != objectId || tags.chunkId != chunkOffset) {
-+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
- objectId, chunkOffset, theChunk,
- tags.objectId, tags.chunkId));
- }
-@@ -646,13 +650,15 @@ static void yaffs_VerifyFile(yaffs_Objec
- __u32 lastChunk;
- __u32 x;
- __u32 i;
-- int ok;
- yaffs_Device *dev;
- yaffs_ExtendedTags tags;
- yaffs_Tnode *tn;
- __u32 objectId;
-
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (!obj)
-+ return;
-+
-+ if (yaffs_SkipVerification(obj->myDev))
- return;
-
- dev = obj->myDev;
-@@ -662,17 +668,17 @@ static void yaffs_VerifyFile(yaffs_Objec
- lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1;
- x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS;
- requiredTallness = 0;
-- while (x> 0) {
-+ while (x > 0) {
- x >>= YAFFS_TNODES_INTERNAL_BITS;
- requiredTallness++;
- }
-
- actualTallness = obj->variant.fileVariant.topLevel;
-
-- if(requiredTallness > actualTallness )
-+ if (requiredTallness > actualTallness)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR),
-- obj->objectId,actualTallness, requiredTallness));
-+ obj->objectId, actualTallness, requiredTallness));
-
-
- /* Check that the chunks in the tnode tree are all correct.
-@@ -680,39 +686,31 @@ static void yaffs_VerifyFile(yaffs_Objec
- * checking the tags for every chunk match.
- */
-
-- if(yaffs_SkipNANDVerification(dev))
-+ if (yaffs_SkipNANDVerification(dev))
- return;
-
-- for(i = 1; i <= lastChunk; i++){
-- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i);
-+ for (i = 1; i <= lastChunk; i++) {
-+ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i);
-
- if (tn) {
-- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-- if(theChunk > 0){
-+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-+ if (theChunk > 0) {
- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),objectId,i,theChunk)); */
-- yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags);
-- if(tags.objectId != objectId || tags.chunkId != i){
-- T(~0,(TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
-+ if (tags.objectId != objectId || tags.chunkId != i) {
-+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
- objectId, i, theChunk,
- tags.objectId, tags.chunkId));
- }
- }
- }
--
- }
--
- }
-
--static void yaffs_VerifyDirectory(yaffs_Object *obj)
--{
-- if(obj && yaffs_SkipVerification(obj->myDev))
-- return;
--
--}
-
- static void yaffs_VerifyHardLink(yaffs_Object *obj)
- {
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-
- /* Verify sane equivalent object */
-@@ -720,7 +718,7 @@ static void yaffs_VerifyHardLink(yaffs_O
-
- static void yaffs_VerifySymlink(yaffs_Object *obj)
- {
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-
- /* Verify symlink string */
-@@ -728,7 +726,7 @@ static void yaffs_VerifySymlink(yaffs_Ob
-
- static void yaffs_VerifySpecial(yaffs_Object *obj)
- {
-- if(obj && yaffs_SkipVerification(obj->myDev))
-+ if (obj && yaffs_SkipVerification(obj->myDev))
- return;
- }
-
-@@ -740,14 +738,19 @@ static void yaffs_VerifyObject(yaffs_Obj
- __u32 chunkMax;
-
- __u32 chunkIdOk;
-- __u32 chunkIsLive;
-+ __u32 chunkInRange;
-+ __u32 chunkShouldNotBeDeleted;
-+ __u32 chunkValid;
-+
-+ if (!obj)
-+ return;
-
-- if(!obj)
-+ if (obj->beingCreated)
- return;
-
- dev = obj->myDev;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- /* Check sane object header chunk */
-@@ -755,50 +758,54 @@ static void yaffs_VerifyObject(yaffs_Obj
- chunkMin = dev->internalStartBlock * dev->nChunksPerBlock;
- chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1;
-
-- chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax);
-- chunkIsLive = chunkIdOk &&
-+ chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax);
-+ chunkIdOk = chunkInRange || obj->hdrChunk == 0;
-+ chunkValid = chunkInRange &&
- yaffs_CheckChunkBit(dev,
-- obj->chunkId / dev->nChunksPerBlock,
-- obj->chunkId % dev->nChunksPerBlock);
-- if(!obj->fake &&
-- (!chunkIdOk || !chunkIsLive)) {
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
-- obj->objectId,obj->chunkId,
-- chunkIdOk ? "" : ",out of range",
-- chunkIsLive || !chunkIdOk ? "" : ",marked as deleted"));
-+ obj->hdrChunk / dev->nChunksPerBlock,
-+ obj->hdrChunk % dev->nChunksPerBlock);
-+ chunkShouldNotBeDeleted = chunkInRange && !chunkValid;
-+
-+ if (!obj->fake &&
-+ (!chunkIdOk || chunkShouldNotBeDeleted)) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
-+ obj->objectId, obj->hdrChunk,
-+ chunkIdOk ? "" : ",out of range",
-+ chunkShouldNotBeDeleted ? ",marked as deleted" : ""));
- }
-
-- if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) {
-+ if (chunkValid && !yaffs_SkipNANDVerification(dev)) {
- yaffs_ExtendedTags tags;
- yaffs_ObjectHeader *oh;
-- __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__);
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
-
- oh = (yaffs_ObjectHeader *)buffer;
-
-- yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags);
-+ yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
-+ &tags);
-
-- yaffs_VerifyObjectHeader(obj,oh,&tags,1);
-+ yaffs_VerifyObjectHeader(obj, oh, &tags, 1);
-
-- yaffs_ReleaseTempBuffer(dev,buffer,__LINE__);
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
- }
-
- /* Verify it has a parent */
-- if(obj && !obj->fake &&
-- (!obj->parent || obj->parent->myDev != dev)){
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
-- obj->objectId,obj->parent));
-+ if (obj && !obj->fake &&
-+ (!obj->parent || obj->parent->myDev != dev)) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
-+ obj->objectId, obj->parent));
- }
-
- /* Verify parent is a directory */
-- if(obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY){
-- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
-- obj->objectId,obj->parent->variantType));
-+ if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
-+ obj->objectId, obj->parent->variantType));
- }
-
-- switch(obj->variantType){
-+ switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
- yaffs_VerifyFile(obj);
- break;
-@@ -818,33 +825,30 @@ static void yaffs_VerifyObject(yaffs_Obj
- default:
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has illegaltype %d"TENDSTR),
-- obj->objectId,obj->variantType));
-+ obj->objectId, obj->variantType));
- break;
- }
--
--
- }
-
- static void yaffs_VerifyObjects(yaffs_Device *dev)
- {
- yaffs_Object *obj;
- int i;
-- struct list_head *lh;
-+ struct ylist_head *lh;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- /* Iterate through the objects in each hash entry */
-
-- for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){
-- list_for_each(lh, &dev->objectBucket[i].list) {
-+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each(lh, &dev->objectBucket[i].list) {
- if (lh) {
-- obj = list_entry(lh, yaffs_Object, hashLink);
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
- yaffs_VerifyObject(obj);
- }
- }
-- }
--
-+ }
- }
-
-
-@@ -855,19 +859,20 @@ static void yaffs_VerifyObjects(yaffs_De
- static Y_INLINE int yaffs_HashFunction(int n)
- {
- n = abs(n);
-- return (n % YAFFS_NOBJECT_BUCKETS);
-+ return n % YAFFS_NOBJECT_BUCKETS;
- }
-
- /*
-- * Access functions to useful fake objects
-+ * Access functions to useful fake objects.
-+ * Note that root might have a presence in NAND if permissions are set.
- */
-
--yaffs_Object *yaffs_Root(yaffs_Device * dev)
-+yaffs_Object *yaffs_Root(yaffs_Device *dev)
- {
- return dev->rootDir;
- }
-
--yaffs_Object *yaffs_LostNFound(yaffs_Device * dev)
-+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev)
- {
- return dev->lostNFoundDir;
- }
-@@ -877,7 +882,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Dev
- * Erased NAND checking functions
- */
-
--int yaffs_CheckFF(__u8 * buffer, int nBytes)
-+int yaffs_CheckFF(__u8 *buffer, int nBytes)
- {
- /* Horrible, slow implementation */
- while (nBytes--) {
-@@ -889,9 +894,8 @@ int yaffs_CheckFF(__u8 * buffer, int nBy
- }
-
- static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND)
-+ int chunkInNAND)
- {
--
- int retval = YAFFS_OK;
- __u8 *data = yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_ExtendedTags tags;
-@@ -899,10 +903,9 @@ static int yaffs_CheckChunkErased(struct
-
- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags);
-
-- if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
-+ if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
- retval = YAFFS_FAIL;
-
--
- if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND));
-@@ -915,11 +918,10 @@ static int yaffs_CheckChunkErased(struct
-
- }
-
--
- static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
-- const __u8 * data,
-- yaffs_ExtendedTags * tags,
-- int useReserve)
-+ const __u8 *data,
-+ yaffs_ExtendedTags *tags,
-+ int useReserve)
- {
- int attempts = 0;
- int writeOk = 0;
-@@ -972,7 +974,7 @@ static int yaffs_WriteNewChunkWithTagsTo
- erasedOk = yaffs_CheckChunkErased(dev, chunk);
- if (erasedOk != YAFFS_OK) {
- T(YAFFS_TRACE_ERROR,
-- (TSTR ("**>> yaffs chunk %d was not erased"
-+ (TSTR("**>> yaffs chunk %d was not erased"
- TENDSTR), chunk));
-
- /* try another chunk */
-@@ -992,7 +994,11 @@ static int yaffs_WriteNewChunkWithTagsTo
- /* Copy the data into the robustification buffer */
- yaffs_HandleWriteChunkOk(dev, chunk, data, tags);
-
-- } while (writeOk != YAFFS_OK && attempts < yaffs_wr_attempts);
-+ } while (writeOk != YAFFS_OK &&
-+ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts));
-+
-+ if (!writeOk)
-+ chunk = -1;
-
- if (attempts > 1) {
- T(YAFFS_TRACE_ERROR,
-@@ -1009,13 +1015,35 @@ static int yaffs_WriteNewChunkWithTagsTo
- * Block retiring for handling a broken block.
- */
-
--static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND)
-+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND)
- {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
-
- yaffs_InvalidateCheckpoint(dev);
-
-- yaffs_MarkBlockBad(dev, blockInNAND);
-+ if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) {
-+ if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR(
-+ "yaffs: Failed to mark bad and erase block %d"
-+ TENDSTR), blockInNAND));
-+ } else {
-+ yaffs_ExtendedTags tags;
-+ int chunkId = blockInNAND * dev->nChunksPerBlock;
-+
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
-+
-+ memset(buffer, 0xff, dev->nDataBytesPerChunk);
-+ yaffs_InitialiseTags(&tags);
-+ tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK;
-+ if (dev->writeChunkWithTagsToNAND(dev, chunkId -
-+ dev->chunkOffset, buffer, &tags) != YAFFS_OK)
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to "
-+ TCONT("write bad block marker to block %d")
-+ TENDSTR), blockInNAND));
-+
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
-+ }
-+ }
-
- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
- bi->gcPrioritise = 0;
-@@ -1029,49 +1057,45 @@ static void yaffs_RetireBlock(yaffs_Devi
- *
- */
-
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags)
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags)
- {
- }
-
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_ExtendedTags * tags)
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_ExtendedTags *tags)
- {
- }
-
- void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi)
- {
-- if(!bi->gcPrioritise){
-+ if (!bi->gcPrioritise) {
- bi->gcPrioritise = 1;
- dev->hasPendingPrioritisedGCs = 1;
-- bi->chunkErrorStrikes ++;
-+ bi->chunkErrorStrikes++;
-
-- if(bi->chunkErrorStrikes > 3){
-+ if (bi->chunkErrorStrikes > 3) {
- bi->needsRetiring = 1; /* Too many stikes, so retire this */
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR)));
-
- }
--
- }
- }
-
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk)
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
-+ int erasedOk)
- {
--
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
-
-- yaffs_HandleChunkError(dev,bi);
-+ yaffs_HandleChunkError(dev, bi);
-
--
-- if(erasedOk ) {
-+ if (erasedOk) {
- /* Was an actual write failure, so mark the block for retirement */
- bi->needsRetiring = 1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND));
--
--
- }
-
- /* Delete the chunk */
-@@ -1081,12 +1105,12 @@ static void yaffs_HandleWriteChunkError(
-
- /*---------------- Name handling functions ------------*/
-
--static __u16 yaffs_CalcNameSum(const YCHAR * name)
-+static __u16 yaffs_CalcNameSum(const YCHAR *name)
- {
- __u16 sum = 0;
- __u16 i = 1;
-
-- YUCHAR *bname = (YUCHAR *) name;
-+ const YUCHAR *bname = (const YUCHAR *) name;
- if (bname) {
- while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
-
-@@ -1102,14 +1126,14 @@ static __u16 yaffs_CalcNameSum(const YCH
- return sum;
- }
-
--static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name)
-+static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name)
- {
- #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) {
-+ memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
-+ if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH)
- yaffs_strcpy(obj->shortName, name);
-- } else {
-+ else
- obj->shortName[0] = _Y('\0');
-- }
- #endif
- obj->sum = yaffs_CalcNameSum(name);
- }
-@@ -1126,7 +1150,7 @@ static void yaffs_SetObjectName(yaffs_Ob
- * Don't use this function directly
- */
-
--static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes)
-+static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
- {
- int i;
- int tnodeSize;
-@@ -1143,6 +1167,9 @@ static int yaffs_CreateTnodes(yaffs_Devi
- * Must be a multiple of 32-bits */
- tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
- /* make these things */
-
- newTnodes = YMALLOC(nTnodes * tnodeSize);
-@@ -1150,7 +1177,7 @@ static int yaffs_CreateTnodes(yaffs_Devi
-
- if (!newTnodes) {
- T(YAFFS_TRACE_ERROR,
-- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
-+ (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
- return YAFFS_FAIL;
- }
-
-@@ -1170,7 +1197,7 @@ static int yaffs_CreateTnodes(yaffs_Devi
- dev->freeTnodes = newTnodes;
- #else
- /* New hookup for wide tnodes */
-- for(i = 0; i < nTnodes -1; i++) {
-+ for (i = 0; i < nTnodes - 1; i++) {
- curr = (yaffs_Tnode *) &mem[i * tnodeSize];
- next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize];
- curr->internal[0] = next;
-@@ -1197,7 +1224,6 @@ static int yaffs_CreateTnodes(yaffs_Devi
- (TSTR
- ("yaffs: Could not add tnodes to management list" TENDSTR)));
- return YAFFS_FAIL;
--
- } else {
- tnl->tnodes = newTnodes;
- tnl->next = dev->allocatedTnodeList;
-@@ -1211,14 +1237,13 @@ static int yaffs_CreateTnodes(yaffs_Devi
-
- /* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */
-
--static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev)
-+static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev)
- {
- yaffs_Tnode *tn = NULL;
-
- /* If there are none left make more */
-- if (!dev->freeTnodes) {
-+ if (!dev->freeTnodes)
- yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
-- }
-
- if (dev->freeTnodes) {
- tn = dev->freeTnodes;
-@@ -1233,21 +1258,27 @@ static yaffs_Tnode *yaffs_GetTnodeRaw(ya
- dev->nFreeTnodes--;
- }
-
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-+
- return tn;
- }
-
--static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev)
-+static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
- {
- yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev);
-+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
-- if(tn)
-- memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
-+ if (tn)
-+ memset(tn, 0, tnodeSize);
-
- return tn;
- }
-
- /* FreeTnode frees up a tnode and puts it back on the free list */
--static void yaffs_FreeTnode(yaffs_Device * dev, yaffs_Tnode * tn)
-+static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
- {
- if (tn) {
- #ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
-@@ -1262,9 +1293,10 @@ static void yaffs_FreeTnode(yaffs_Device
- dev->freeTnodes = tn;
- dev->nFreeTnodes++;
- }
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
- }
-
--static void yaffs_DeinitialiseTnodes(yaffs_Device * dev)
-+static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
- {
- /* Free the list of allocated tnodes */
- yaffs_TnodeList *tmp;
-@@ -1282,71 +1314,72 @@ static void yaffs_DeinitialiseTnodes(yaf
- dev->nFreeTnodes = 0;
- }
-
--static void yaffs_InitialiseTnodes(yaffs_Device * dev)
-+static void yaffs_InitialiseTnodes(yaffs_Device *dev)
- {
- dev->allocatedTnodeList = NULL;
- dev->freeTnodes = NULL;
- dev->nFreeTnodes = 0;
- dev->nTnodesCreated = 0;
--
- }
-
-
--void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsigned val)
-+void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos,
-+ unsigned val)
- {
-- __u32 *map = (__u32 *)tn;
-- __u32 bitInMap;
-- __u32 bitInWord;
-- __u32 wordInMap;
-- __u32 mask;
-+ __u32 *map = (__u32 *)tn;
-+ __u32 bitInMap;
-+ __u32 bitInWord;
-+ __u32 wordInMap;
-+ __u32 mask;
-
-- pos &= YAFFS_TNODES_LEVEL0_MASK;
-- val >>= dev->chunkGroupBits;
-+ pos &= YAFFS_TNODES_LEVEL0_MASK;
-+ val >>= dev->chunkGroupBits;
-
-- bitInMap = pos * dev->tnodeWidth;
-- wordInMap = bitInMap /32;
-- bitInWord = bitInMap & (32 -1);
-+ bitInMap = pos * dev->tnodeWidth;
-+ wordInMap = bitInMap / 32;
-+ bitInWord = bitInMap & (32 - 1);
-
-- mask = dev->tnodeMask << bitInWord;
-+ mask = dev->tnodeMask << bitInWord;
-
-- map[wordInMap] &= ~mask;
-- map[wordInMap] |= (mask & (val << bitInWord));
-+ map[wordInMap] &= ~mask;
-+ map[wordInMap] |= (mask & (val << bitInWord));
-
-- if(dev->tnodeWidth > (32-bitInWord)) {
-- bitInWord = (32 - bitInWord);
-- wordInMap++;;
-- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
-- map[wordInMap] &= ~mask;
-- map[wordInMap] |= (mask & (val >> bitInWord));
-- }
-+ if (dev->tnodeWidth > (32 - bitInWord)) {
-+ bitInWord = (32 - bitInWord);
-+ wordInMap++;;
-+ mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
-+ map[wordInMap] &= ~mask;
-+ map[wordInMap] |= (mask & (val >> bitInWord));
-+ }
- }
-
--static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos)
-+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
-+ unsigned pos)
- {
-- __u32 *map = (__u32 *)tn;
-- __u32 bitInMap;
-- __u32 bitInWord;
-- __u32 wordInMap;
-- __u32 val;
-+ __u32 *map = (__u32 *)tn;
-+ __u32 bitInMap;
-+ __u32 bitInWord;
-+ __u32 wordInMap;
-+ __u32 val;
-
-- pos &= YAFFS_TNODES_LEVEL0_MASK;
-+ pos &= YAFFS_TNODES_LEVEL0_MASK;
-
-- bitInMap = pos * dev->tnodeWidth;
-- wordInMap = bitInMap /32;
-- bitInWord = bitInMap & (32 -1);
-+ bitInMap = pos * dev->tnodeWidth;
-+ wordInMap = bitInMap / 32;
-+ bitInWord = bitInMap & (32 - 1);
-
-- val = map[wordInMap] >> bitInWord;
-+ val = map[wordInMap] >> bitInWord;
-
-- if(dev->tnodeWidth > (32-bitInWord)) {
-- bitInWord = (32 - bitInWord);
-- wordInMap++;;
-- val |= (map[wordInMap] << bitInWord);
-- }
-+ if (dev->tnodeWidth > (32 - bitInWord)) {
-+ bitInWord = (32 - bitInWord);
-+ wordInMap++;;
-+ val |= (map[wordInMap] << bitInWord);
-+ }
-
-- val &= dev->tnodeMask;
-- val <<= dev->chunkGroupBits;
-+ val &= dev->tnodeMask;
-+ val <<= dev->chunkGroupBits;
-
-- return val;
-+ return val;
- }
-
- /* ------------------- End of individual tnode manipulation -----------------*/
-@@ -1357,24 +1390,21 @@ static __u32 yaffs_GetChunkGroupBase(yaf
- */
-
- /* FindLevel0Tnode finds the level 0 tnode, if one exists. */
--static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct,
-- __u32 chunkId)
-+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId)
- {
--
- yaffs_Tnode *tn = fStruct->top;
- __u32 i;
- int requiredTallness;
- int level = fStruct->topLevel;
-
- /* Check sane level and chunk Id */
-- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) {
-+ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
- return NULL;
-- }
-
-- if (chunkId > YAFFS_MAX_CHUNK_ID) {
-+ if (chunkId > YAFFS_MAX_CHUNK_ID)
- return NULL;
-- }
-
- /* First check we're tall enough (ie enough topLevel) */
-
-@@ -1385,22 +1415,17 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod
- requiredTallness++;
- }
-
-- if (requiredTallness > fStruct->topLevel) {
-- /* Not tall enough, so we can't find it, return NULL. */
-- return NULL;
-- }
-+ if (requiredTallness > fStruct->topLevel)
-+ return NULL; /* Not tall enough, so we can't find it */
-
- /* Traverse down to level 0 */
- while (level > 0 && tn) {
-- tn = tn->
-- internal[(chunkId >>
-- ( YAFFS_TNODES_LEVEL0_BITS +
-- (level - 1) *
-- YAFFS_TNODES_INTERNAL_BITS)
-- ) &
-- YAFFS_TNODES_INTERNAL_MASK];
-+ tn = tn->internal[(chunkId >>
-+ (YAFFS_TNODES_LEVEL0_BITS +
-+ (level - 1) *
-+ YAFFS_TNODES_INTERNAL_BITS)) &
-+ YAFFS_TNODES_INTERNAL_MASK];
- level--;
--
- }
-
- return tn;
-@@ -1417,12 +1442,11 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod
- * be plugged into the ttree.
- */
-
--static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct,
-- __u32 chunkId,
-- yaffs_Tnode *passedTn)
-+static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId,
-+ yaffs_Tnode *passedTn)
- {
--
- int requiredTallness;
- int i;
- int l;
-@@ -1432,13 +1456,11 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
-
-
- /* Check sane level and page Id */
-- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) {
-+ if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL)
- return NULL;
-- }
-
-- if (chunkId > YAFFS_MAX_CHUNK_ID) {
-+ if (chunkId > YAFFS_MAX_CHUNK_ID)
- return NULL;
-- }
-
- /* First check we're tall enough (ie enough topLevel) */
-
-@@ -1451,7 +1473,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
-
-
- if (requiredTallness > fStruct->topLevel) {
-- /* Not tall enough,gotta make the tree taller */
-+ /* Not tall enough, gotta make the tree taller */
- for (i = fStruct->topLevel; i < requiredTallness; i++) {
-
- tn = yaffs_GetTnode(dev);
-@@ -1473,27 +1495,27 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
- l = fStruct->topLevel;
- tn = fStruct->top;
-
-- if(l > 0) {
-+ if (l > 0) {
- while (l > 0 && tn) {
- x = (chunkId >>
-- ( YAFFS_TNODES_LEVEL0_BITS +
-+ (YAFFS_TNODES_LEVEL0_BITS +
- (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
- YAFFS_TNODES_INTERNAL_MASK;
-
-
-- if((l>1) && !tn->internal[x]){
-+ if ((l > 1) && !tn->internal[x]) {
- /* Add missing non-level-zero tnode */
- tn->internal[x] = yaffs_GetTnode(dev);
-
-- } else if(l == 1) {
-+ } else if (l == 1) {
- /* Looking from level 1 at level 0 */
-- if (passedTn) {
-+ if (passedTn) {
- /* If we already have one, then release it.*/
-- if(tn->internal[x])
-- yaffs_FreeTnode(dev,tn->internal[x]);
-+ if (tn->internal[x])
-+ yaffs_FreeTnode(dev, tn->internal[x]);
- tn->internal[x] = passedTn;
-
-- } else if(!tn->internal[x]) {
-+ } else if (!tn->internal[x]) {
- /* Don't have one, none passed in */
- tn->internal[x] = yaffs_GetTnode(dev);
- }
-@@ -1504,31 +1526,29 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
- }
- } else {
- /* top is level 0 */
-- if(passedTn) {
-- memcpy(tn,passedTn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-- yaffs_FreeTnode(dev,passedTn);
-+ if (passedTn) {
-+ memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ yaffs_FreeTnode(dev, passedTn);
- }
- }
-
- return tn;
- }
-
--static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk,
-- yaffs_ExtendedTags * tags, int objectId,
-- int chunkInInode)
-+static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk,
-+ yaffs_ExtendedTags *tags, int objectId,
-+ int chunkInInode)
- {
- int j;
-
- for (j = 0; theChunk && j < dev->chunkGroupSize; j++) {
-- if (yaffs_CheckChunkBit
-- (dev, theChunk / dev->nChunksPerBlock,
-- theChunk % dev->nChunksPerBlock)) {
-+ if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock,
-+ theChunk % dev->nChunksPerBlock)) {
- yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL,
- tags);
- if (yaffs_TagsMatch(tags, objectId, chunkInInode)) {
- /* found it; */
- return theChunk;
--
- }
- }
- theChunk++;
-@@ -1543,7 +1563,7 @@ static int yaffs_FindChunkInGroup(yaffs_
- * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
- */
-
--static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
-+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
- int chunkOffset, int *limit)
- {
- int i;
-@@ -1557,7 +1577,6 @@ static int yaffs_DeleteWorker(yaffs_Obje
-
- if (tn) {
- if (level > 0) {
--
- for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
- i--) {
- if (tn->internal[i]) {
-@@ -1565,17 +1584,17 @@ static int yaffs_DeleteWorker(yaffs_Obje
- allDone = 0;
- } else {
- allDone =
-- yaffs_DeleteWorker(in,
-- tn->
-- internal
-- [i],
-- level -
-- 1,
-- (chunkOffset
-+ yaffs_DeleteWorker(in,
-+ tn->
-+ internal
-+ [i],
-+ level -
-+ 1,
-+ (chunkOffset
- <<
- YAFFS_TNODES_INTERNAL_BITS)
-- + i,
-- limit);
-+ + i,
-+ limit);
- }
- if (allDone) {
- yaffs_FreeTnode(dev,
-@@ -1584,27 +1603,25 @@ static int yaffs_DeleteWorker(yaffs_Obje
- tn->internal[i] = NULL;
- }
- }
--
- }
- return (allDone) ? 1 : 0;
- } else if (level == 0) {
- int hitLimit = 0;
-
- for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
-- i--) {
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-+ i--) {
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
- if (theChunk) {
-
-- chunkInInode =
-- (chunkOffset <<
-- YAFFS_TNODES_LEVEL0_BITS) + i;
-+ chunkInInode = (chunkOffset <<
-+ YAFFS_TNODES_LEVEL0_BITS) + i;
-
- foundChunk =
-- yaffs_FindChunkInGroup(dev,
-- theChunk,
-- &tags,
-- in->objectId,
-- chunkInInode);
-+ yaffs_FindChunkInGroup(dev,
-+ theChunk,
-+ &tags,
-+ in->objectId,
-+ chunkInInode);
-
- if (foundChunk > 0) {
- yaffs_DeleteChunk(dev,
-@@ -1613,14 +1630,13 @@ static int yaffs_DeleteWorker(yaffs_Obje
- in->nDataChunks--;
- if (limit) {
- *limit = *limit - 1;
-- if (*limit <= 0) {
-+ if (*limit <= 0)
- hitLimit = 1;
-- }
- }
-
- }
-
-- yaffs_PutLevel0Tnode(dev,tn,i,0);
-+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
- }
-
- }
-@@ -1634,9 +1650,8 @@ static int yaffs_DeleteWorker(yaffs_Obje
-
- }
-
--static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk)
-+static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk)
- {
--
- yaffs_BlockInfo *theBlock;
-
- T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
-@@ -1654,7 +1669,7 @@ static void yaffs_SoftDeleteChunk(yaffs_
- * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted.
- */
-
--static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn,
-+static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn,
- __u32 level, int chunkOffset)
- {
- int i;
-@@ -1691,14 +1706,14 @@ static int yaffs_SoftDeleteWorker(yaffs_
- } else if (level == 0) {
-
- for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) {
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
- if (theChunk) {
- /* Note this does not find the real chunk, only the chunk group.
- * We make an assumption that a chunk group is not larger than
- * a block.
- */
- yaffs_SoftDeleteChunk(dev, theChunk);
-- yaffs_PutLevel0Tnode(dev,tn,i,0);
-+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
- }
-
- }
-@@ -1712,7 +1727,7 @@ static int yaffs_SoftDeleteWorker(yaffs_
-
- }
-
--static void yaffs_SoftDeleteFile(yaffs_Object * obj)
-+static void yaffs_SoftDeleteFile(yaffs_Object *obj)
- {
- if (obj->deleted &&
- obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) {
-@@ -1746,8 +1761,8 @@ static void yaffs_SoftDeleteFile(yaffs_O
- * by a special case.
- */
-
--static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device * dev, yaffs_Tnode * tn,
-- __u32 level, int del0)
-+static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
-+ __u32 level, int del0)
- {
- int i;
- int hasData;
-@@ -1763,9 +1778,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya
- (i == 0) ? del0 : 1);
- }
-
-- if (tn->internal[i]) {
-+ if (tn->internal[i])
- hasData++;
-- }
- }
-
- if (hasData == 0 && del0) {
-@@ -1781,8 +1795,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya
-
- }
-
--static int yaffs_PruneFileStructure(yaffs_Device * dev,
-- yaffs_FileStructure * fStruct)
-+static int yaffs_PruneFileStructure(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct)
- {
- int i;
- int hasData;
-@@ -1805,9 +1819,8 @@ static int yaffs_PruneFileStructure(yaff
-
- hasData = 0;
- for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) {
-- if (tn->internal[i]) {
-+ if (tn->internal[i])
- hasData++;
-- }
- }
-
- if (!hasData) {
-@@ -1828,7 +1841,7 @@ static int yaffs_PruneFileStructure(yaff
- /* yaffs_CreateFreeObjects creates a bunch more objects and
- * adds them to the object free list.
- */
--static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects)
-+static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects)
- {
- int i;
- yaffs_Object *newObjects;
-@@ -1842,9 +1855,9 @@ static int yaffs_CreateFreeObjects(yaffs
- list = YMALLOC(sizeof(yaffs_ObjectList));
-
- if (!newObjects || !list) {
-- if(newObjects)
-+ if (newObjects)
- YFREE(newObjects);
-- if(list)
-+ if (list)
- YFREE(list);
- T(YAFFS_TRACE_ALLOCATE,
- (TSTR("yaffs: Could not allocate more objects" TENDSTR)));
-@@ -1854,7 +1867,7 @@ static int yaffs_CreateFreeObjects(yaffs
- /* Hook them into the free list */
- for (i = 0; i < nObjects - 1; i++) {
- newObjects[i].siblings.next =
-- (struct list_head *)(&newObjects[i + 1]);
-+ (struct ylist_head *)(&newObjects[i + 1]);
- }
-
- newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects;
-@@ -1873,85 +1886,109 @@ static int yaffs_CreateFreeObjects(yaffs
-
-
- /* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
--static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev)
-+static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev)
- {
- yaffs_Object *tn = NULL;
-
-+#ifdef VALGRIND_TEST
-+ tn = YMALLOC(sizeof(yaffs_Object));
-+#else
- /* If there are none left make more */
-- if (!dev->freeObjects) {
-+ if (!dev->freeObjects)
- yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS);
-- }
-
- if (dev->freeObjects) {
- tn = dev->freeObjects;
- dev->freeObjects =
-- (yaffs_Object *) (dev->freeObjects->siblings.next);
-+ (yaffs_Object *) (dev->freeObjects->siblings.next);
- dev->nFreeObjects--;
--
-+ }
-+#endif
-+ if (tn) {
- /* Now sweeten it up... */
-
- memset(tn, 0, sizeof(yaffs_Object));
-+ tn->beingCreated = 1;
-+
- tn->myDev = dev;
-- tn->chunkId = -1;
-+ tn->hdrChunk = 0;
- tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
-- INIT_LIST_HEAD(&(tn->hardLinks));
-- INIT_LIST_HEAD(&(tn->hashLink));
-- INIT_LIST_HEAD(&tn->siblings);
-+ YINIT_LIST_HEAD(&(tn->hardLinks));
-+ YINIT_LIST_HEAD(&(tn->hashLink));
-+ YINIT_LIST_HEAD(&tn->siblings);
-+
-+
-+ /* Now make the directory sane */
-+ if (dev->rootDir) {
-+ tn->parent = dev->rootDir;
-+ ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children);
-+ }
-
- /* Add it to the lost and found directory.
- * NB Can't put root or lostNFound in lostNFound so
- * check if lostNFound exists first
- */
-- if (dev->lostNFoundDir) {
-+ if (dev->lostNFoundDir)
- yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn);
-- }
-+
-+ tn->beingCreated = 0;
- }
-
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-+
- return tn;
- }
-
--static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device * dev, int number,
-+static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number,
- __u32 mode)
- {
-
- yaffs_Object *obj =
- yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
- if (obj) {
-- obj->fake = 1; /* it is fake so it has no NAND presence... */
-+ obj->fake = 1; /* it is fake so it might have no NAND presence... */
- obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */
- obj->unlinkAllowed = 0; /* ... or unlink it */
- obj->deleted = 0;
- obj->unlinked = 0;
- obj->yst_mode = mode;
- obj->myDev = dev;
-- obj->chunkId = 0; /* Not a valid chunk. */
-+ obj->hdrChunk = 0; /* Not a valid chunk. */
- }
-
- return obj;
-
- }
-
--static void yaffs_UnhashObject(yaffs_Object * tn)
-+static void yaffs_UnhashObject(yaffs_Object *tn)
- {
- int bucket;
- yaffs_Device *dev = tn->myDev;
-
- /* If it is still linked into the bucket list, free from the list */
-- if (!list_empty(&tn->hashLink)) {
-- list_del_init(&tn->hashLink);
-+ if (!ylist_empty(&tn->hashLink)) {
-+ ylist_del_init(&tn->hashLink);
- bucket = yaffs_HashFunction(tn->objectId);
- dev->objectBucket[bucket].count--;
- }
--
- }
-
- /* FreeObject frees up a Object and puts it back on the free list */
--static void yaffs_FreeObject(yaffs_Object * tn)
-+static void yaffs_FreeObject(yaffs_Object *tn)
- {
--
- yaffs_Device *dev = tn->myDev;
-
--#ifdef __KERNEL__
-+#ifdef __KERNEL__
-+ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode));
-+#endif
-+
-+ if (tn->parent)
-+ YBUG();
-+ if (!ylist_empty(&tn->siblings))
-+ YBUG();
-+
-+
-+#ifdef __KERNEL__
- if (tn->myInode) {
- /* We're still hooked up to a cached inode.
- * Don't delete now, but mark for later deletion
-@@ -1963,24 +2000,28 @@ static void yaffs_FreeObject(yaffs_Objec
-
- yaffs_UnhashObject(tn);
-
-+#ifdef VALGRIND_TEST
-+ YFREE(tn);
-+#else
- /* Link into the free list. */
-- tn->siblings.next = (struct list_head *)(dev->freeObjects);
-+ tn->siblings.next = (struct ylist_head *)(dev->freeObjects);
- dev->freeObjects = tn;
- dev->nFreeObjects++;
-+#endif
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
- }
-
- #ifdef __KERNEL__
-
--void yaffs_HandleDeferedFree(yaffs_Object * obj)
-+void yaffs_HandleDeferedFree(yaffs_Object *obj)
- {
-- if (obj->deferedFree) {
-+ if (obj->deferedFree)
- yaffs_FreeObject(obj);
-- }
- }
-
- #endif
-
--static void yaffs_DeinitialiseObjects(yaffs_Device * dev)
-+static void yaffs_DeinitialiseObjects(yaffs_Device *dev)
- {
- /* Free the list of allocated Objects */
-
-@@ -1998,7 +2039,7 @@ static void yaffs_DeinitialiseObjects(ya
- dev->nFreeObjects = 0;
- }
-
--static void yaffs_InitialiseObjects(yaffs_Device * dev)
-+static void yaffs_InitialiseObjects(yaffs_Device *dev)
- {
- int i;
-
-@@ -2007,15 +2048,14 @@ static void yaffs_InitialiseObjects(yaff
- dev->nFreeObjects = 0;
-
- for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-- INIT_LIST_HEAD(&dev->objectBucket[i].list);
-+ YINIT_LIST_HEAD(&dev->objectBucket[i].list);
- dev->objectBucket[i].count = 0;
- }
--
- }
-
--static int yaffs_FindNiceObjectBucket(yaffs_Device * dev)
-+static int yaffs_FindNiceObjectBucket(yaffs_Device *dev)
- {
-- static int x = 0;
-+ static int x;
- int i;
- int l = 999;
- int lowest = 999999;
-@@ -2049,7 +2089,7 @@ static int yaffs_FindNiceObjectBucket(ya
- return l;
- }
-
--static int yaffs_CreateNewObjectNumber(yaffs_Device * dev)
-+static int yaffs_CreateNewObjectNumber(yaffs_Device *dev)
- {
- int bucket = yaffs_FindNiceObjectBucket(dev);
-
-@@ -2058,7 +2098,7 @@ static int yaffs_CreateNewObjectNumber(y
- */
-
- int found = 0;
-- struct list_head *i;
-+ struct ylist_head *i;
-
- __u32 n = (__u32) bucket;
-
-@@ -2068,41 +2108,38 @@ static int yaffs_CreateNewObjectNumber(y
- found = 1;
- n += YAFFS_NOBJECT_BUCKETS;
- if (1 || dev->objectBucket[bucket].count > 0) {
-- list_for_each(i, &dev->objectBucket[bucket].list) {
-+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
- /* If there is already one in the list */
-- if (i
-- && list_entry(i, yaffs_Object,
-- hashLink)->objectId == n) {
-+ if (i && ylist_entry(i, yaffs_Object,
-+ hashLink)->objectId == n) {
- found = 0;
- }
- }
- }
- }
-
--
- return n;
- }
-
--static void yaffs_HashObject(yaffs_Object * in)
-+static void yaffs_HashObject(yaffs_Object *in)
- {
- int bucket = yaffs_HashFunction(in->objectId);
- yaffs_Device *dev = in->myDev;
-
-- list_add(&in->hashLink, &dev->objectBucket[bucket].list);
-+ ylist_add(&in->hashLink, &dev->objectBucket[bucket].list);
- dev->objectBucket[bucket].count++;
--
- }
-
--yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number)
-+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number)
- {
- int bucket = yaffs_HashFunction(number);
-- struct list_head *i;
-+ struct ylist_head *i;
- yaffs_Object *in;
-
-- list_for_each(i, &dev->objectBucket[bucket].list) {
-+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
- /* Look if it is in the list */
- if (i) {
-- in = list_entry(i, yaffs_Object, hashLink);
-+ in = ylist_entry(i, yaffs_Object, hashLink);
- if (in->objectId == number) {
- #ifdef __KERNEL__
- /* Don't tell the VFS about this one if it is defered free */
-@@ -2118,31 +2155,27 @@ yaffs_Object *yaffs_FindObjectByNumber(y
- return NULL;
- }
-
--yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
-+yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
- yaffs_ObjectType type)
- {
--
- yaffs_Object *theObject;
-- yaffs_Tnode *tn;
-+ yaffs_Tnode *tn = NULL;
-
-- if (number < 0) {
-+ if (number < 0)
- number = yaffs_CreateNewObjectNumber(dev);
-- }
-
- theObject = yaffs_AllocateEmptyObject(dev);
-- if(!theObject)
-+ if (!theObject)
- return NULL;
-
-- if(type == YAFFS_OBJECT_TYPE_FILE){
-+ if (type == YAFFS_OBJECT_TYPE_FILE) {
- tn = yaffs_GetTnode(dev);
-- if(!tn){
-+ if (!tn) {
- yaffs_FreeObject(theObject);
- return NULL;
- }
- }
-
--
--
- if (theObject) {
- theObject->fake = 0;
- theObject->renameAllowed = 1;
-@@ -2171,8 +2204,8 @@ yaffs_Object *yaffs_CreateNewObject(yaff
- theObject->variant.fileVariant.top = tn;
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-- INIT_LIST_HEAD(&theObject->variant.directoryVariant.
-- children);
-+ YINIT_LIST_HEAD(&theObject->variant.directoryVariant.
-+ children);
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
- case YAFFS_OBJECT_TYPE_HARDLINK:
-@@ -2188,32 +2221,30 @@ yaffs_Object *yaffs_CreateNewObject(yaff
- return theObject;
- }
-
--static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev,
-+static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
- int number,
- yaffs_ObjectType type)
- {
- yaffs_Object *theObject = NULL;
-
-- if (number > 0) {
-+ if (number > 0)
- theObject = yaffs_FindObjectByNumber(dev, number);
-- }
-
-- if (!theObject) {
-+ if (!theObject)
- theObject = yaffs_CreateNewObject(dev, number, type);
-- }
-
- return theObject;
-
- }
-
-
--static YCHAR *yaffs_CloneString(const YCHAR * str)
-+static YCHAR *yaffs_CloneString(const YCHAR *str)
- {
- YCHAR *newStr = NULL;
-
- if (str && *str) {
- newStr = YMALLOC((yaffs_strlen(str) + 1) * sizeof(YCHAR));
-- if(newStr)
-+ if (newStr)
- yaffs_strcpy(newStr, str);
- }
-
-@@ -2229,29 +2260,31 @@ static YCHAR *yaffs_CloneString(const YC
- */
-
- static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type,
-- yaffs_Object * parent,
-- const YCHAR * name,
-+ yaffs_Object *parent,
-+ const YCHAR *name,
- __u32 mode,
- __u32 uid,
- __u32 gid,
-- yaffs_Object * equivalentObject,
-- const YCHAR * aliasString, __u32 rdev)
-+ yaffs_Object *equivalentObject,
-+ const YCHAR *aliasString, __u32 rdev)
- {
- yaffs_Object *in;
-- YCHAR *str;
-+ YCHAR *str = NULL;
-
- yaffs_Device *dev = parent->myDev;
-
- /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/
-- if (yaffs_FindObjectByName(parent, name)) {
-+ if (yaffs_FindObjectByName(parent, name))
- return NULL;
-- }
-
- in = yaffs_CreateNewObject(dev, -1, type);
-
-- if(type == YAFFS_OBJECT_TYPE_SYMLINK){
-+ if (!in)
-+ return YAFFS_FAIL;
-+
-+ if (type == YAFFS_OBJECT_TYPE_SYMLINK) {
- str = yaffs_CloneString(aliasString);
-- if(!str){
-+ if (!str) {
- yaffs_FreeObject(in);
- return NULL;
- }
-@@ -2260,7 +2293,7 @@ static yaffs_Object *yaffs_MknodObject(y
-
-
- if (in) {
-- in->chunkId = -1;
-+ in->hdrChunk = 0;
- in->valid = 1;
- in->variantType = type;
-
-@@ -2293,10 +2326,10 @@ static yaffs_Object *yaffs_MknodObject(y
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
- in->variant.hardLinkVariant.equivalentObject =
-- equivalentObject;
-+ equivalentObject;
- in->variant.hardLinkVariant.equivalentObjectId =
-- equivalentObject->objectId;
-- list_add(&in->hardLinks, &equivalentObject->hardLinks);
-+ equivalentObject->objectId;
-+ ylist_add(&in->hardLinks, &equivalentObject->hardLinks);
- break;
- case YAFFS_OBJECT_TYPE_FILE:
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-@@ -2308,7 +2341,7 @@ static yaffs_Object *yaffs_MknodObject(y
-
- if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) {
- /* Could not create the object header, fail the creation */
-- yaffs_DestroyObject(in);
-+ yaffs_DeleteObject(in);
- in = NULL;
- }
-
-@@ -2317,38 +2350,38 @@ static yaffs_Object *yaffs_MknodObject(y
- return in;
- }
-
--yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid)
-+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode,
-- uid, gid, NULL, NULL, 0);
-+ uid, gid, NULL, NULL, 0);
- }
-
--yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid)
-+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name,
- mode, uid, gid, NULL, NULL, 0);
- }
-
--yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
-+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode,
- uid, gid, NULL, NULL, rdev);
- }
-
--yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid,
-- const YCHAR * alias)
-+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid,
-+ const YCHAR *alias)
- {
- return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode,
-- uid, gid, NULL, alias, 0);
-+ uid, gid, NULL, alias, 0);
- }
-
- /* yaffs_Link returns the object id of the equivalent object.*/
--yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
-- yaffs_Object * equivalentObject)
-+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
-+ yaffs_Object *equivalentObject)
- {
- /* Get the real object in case we were fed a hard link as an equivalent object */
- equivalentObject = yaffs_GetEquivalentObject(equivalentObject);
-@@ -2363,33 +2396,31 @@ yaffs_Object *yaffs_Link(yaffs_Object *
-
- }
-
--static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir,
-- const YCHAR * newName, int force, int shadows)
-+static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir,
-+ const YCHAR *newName, int force, int shadows)
- {
- int unlinkOp;
- int deleteOp;
-
- yaffs_Object *existingTarget;
-
-- if (newDir == NULL) {
-+ if (newDir == NULL)
- newDir = obj->parent; /* use the old directory */
-- }
-
- if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
-- ("tragendy: yaffs_ChangeObjectName: newDir is not a directory"
-+ ("tragedy: yaffs_ChangeObjectName: newDir is not a directory"
- TENDSTR)));
- YBUG();
- }
-
- /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
-- if (obj->myDev->isYaffs2) {
-+ if (obj->myDev->isYaffs2)
- unlinkOp = (newDir == obj->myDev->unlinkedDir);
-- } else {
-+ else
- unlinkOp = (newDir == obj->myDev->unlinkedDir
- && obj->variantType == YAFFS_OBJECT_TYPE_FILE);
-- }
-
- deleteOp = (newDir == obj->myDev->deletedDir);
-
-@@ -2415,40 +2446,40 @@ static int yaffs_ChangeObjectName(yaffs_
- obj->unlinked = 1;
-
- /* If it is a deletion then we mark it as a shrink for gc purposes. */
-- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows)>= 0)
-+ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0)
- return YAFFS_OK;
- }
-
- return YAFFS_FAIL;
- }
-
--int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
-- yaffs_Object * newDir, const YCHAR * newName)
-+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
-+ yaffs_Object *newDir, const YCHAR *newName)
- {
-- yaffs_Object *obj;
-- yaffs_Object *existingTarget;
-+ yaffs_Object *obj = NULL;
-+ yaffs_Object *existingTarget = NULL;
- int force = 0;
-
-+
-+ if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ YBUG();
-+ if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ YBUG();
-+
- #ifdef CONFIG_YAFFS_CASE_INSENSITIVE
- /* Special case for case insemsitive systems (eg. WinCE).
- * While look-up is case insensitive, the name isn't.
- * Therefore we might want to change x.txt to X.txt
- */
-- if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) {
-+ if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0)
- force = 1;
-- }
- #endif
-
-+ else if (yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
-+ /* ENAMETOOLONG */
-+ return YAFFS_FAIL;
-+
- obj = yaffs_FindObjectByName(oldDir, oldName);
-- /* Check new name to long. */
-- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK &&
-- yaffs_strlen(newName) > YAFFS_MAX_ALIAS_LENGTH)
-- /* ENAMETOOLONG */
-- return YAFFS_FAIL;
-- else if (obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK &&
-- yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
-- /* ENAMETOOLONG */
-- return YAFFS_FAIL;
-
- if (obj && obj->renameAllowed) {
-
-@@ -2456,8 +2487,8 @@ int yaffs_RenameObject(yaffs_Object * ol
-
- existingTarget = yaffs_FindObjectByName(newDir, newName);
- if (existingTarget &&
-- existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-- !list_empty(&existingTarget->variant.directoryVariant.children)) {
-+ existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-+ !ylist_empty(&existingTarget->variant.directoryVariant.children)) {
- /* There is a target that is a non-empty directory, so we fail */
- return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */
- } else if (existingTarget && existingTarget != obj) {
-@@ -2465,7 +2496,7 @@ int yaffs_RenameObject(yaffs_Object * ol
- * but only if it isn't the same object
- */
- yaffs_ChangeObjectName(obj, newDir, newName, force,
-- existingTarget->objectId);
-+ existingTarget->objectId);
- yaffs_UnlinkObject(existingTarget);
- }
-
-@@ -2476,7 +2507,7 @@ int yaffs_RenameObject(yaffs_Object * ol
-
- /*------------------------- Block Management and Page Allocation ----------------*/
-
--static int yaffs_InitialiseBlocks(yaffs_Device * dev)
-+static int yaffs_InitialiseBlocks(yaffs_Device *dev)
- {
- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
-
-@@ -2487,23 +2518,20 @@ static int yaffs_InitialiseBlocks(yaffs_
-
- /* If the first allocation strategy fails, thry the alternate one */
- dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo));
-- if(!dev->blockInfo){
-+ if (!dev->blockInfo) {
- dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo));
- dev->blockInfoAlt = 1;
-- }
-- else
-+ } else
- dev->blockInfoAlt = 0;
-
-- if(dev->blockInfo){
--
-+ if (dev->blockInfo) {
- /* Set up dynamic blockinfo stuff. */
- dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */
- dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks);
-- if(!dev->chunkBits){
-+ if (!dev->chunkBits) {
- dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks);
- dev->chunkBitsAlt = 1;
-- }
-- else
-+ } else
- dev->chunkBitsAlt = 0;
- }
-
-@@ -2514,30 +2542,29 @@ static int yaffs_InitialiseBlocks(yaffs_
- }
-
- return YAFFS_FAIL;
--
- }
-
--static void yaffs_DeinitialiseBlocks(yaffs_Device * dev)
-+static void yaffs_DeinitialiseBlocks(yaffs_Device *dev)
- {
-- if(dev->blockInfoAlt && dev->blockInfo)
-+ if (dev->blockInfoAlt && dev->blockInfo)
- YFREE_ALT(dev->blockInfo);
-- else if(dev->blockInfo)
-+ else if (dev->blockInfo)
- YFREE(dev->blockInfo);
-
- dev->blockInfoAlt = 0;
-
- dev->blockInfo = NULL;
-
-- if(dev->chunkBitsAlt && dev->chunkBits)
-+ if (dev->chunkBitsAlt && dev->chunkBits)
- YFREE_ALT(dev->chunkBits);
-- else if(dev->chunkBits)
-+ else if (dev->chunkBits)
- YFREE(dev->chunkBits);
- dev->chunkBitsAlt = 0;
- dev->chunkBits = NULL;
- }
-
--static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device * dev,
-- yaffs_BlockInfo * bi)
-+static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev,
-+ yaffs_BlockInfo *bi)
- {
- int i;
- __u32 seq;
-@@ -2556,7 +2583,7 @@ static int yaffs_BlockNotDisqualifiedFro
- seq = dev->sequenceNumber;
-
- for (i = dev->internalStartBlock; i <= dev->internalEndBlock;
-- i++) {
-+ i++) {
- b = yaffs_GetBlockInfo(dev, i);
- if (b->blockState == YAFFS_BLOCK_STATE_FULL &&
- (b->pagesInUse - b->softDeletions) <
-@@ -2571,38 +2598,36 @@ static int yaffs_BlockNotDisqualifiedFro
- * discarded pages.
- */
- return (bi->sequenceNumber <= dev->oldestDirtySequence);
--
- }
-
- /* FindDiretiestBlock is used to select the dirtiest block (or close enough)
- * for garbage collection.
- */
-
--static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev,
-- int aggressive)
-+static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev,
-+ int aggressive)
- {
--
- int b = dev->currentDirtyChecker;
-
- int i;
- int iterations;
- int dirtiest = -1;
- int pagesInUse = 0;
-- int prioritised=0;
-+ int prioritised = 0;
- yaffs_BlockInfo *bi;
- int pendingPrioritisedExist = 0;
-
- /* First let's see if we need to grab a prioritised block */
-- if(dev->hasPendingPrioritisedGCs){
-- for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){
-+ if (dev->hasPendingPrioritisedGCs) {
-+ for (i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++) {
-
- bi = yaffs_GetBlockInfo(dev, i);
-- //yaffs_VerifyBlock(dev,bi,i);
-+ /* yaffs_VerifyBlock(dev,bi,i); */
-
-- if(bi->gcPrioritise) {
-+ if (bi->gcPrioritise) {
- pendingPrioritisedExist = 1;
-- if(bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-- yaffs_BlockNotDisqualifiedFromGC(dev, bi)){
-+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
- pagesInUse = (bi->pagesInUse - bi->softDeletions);
- dirtiest = i;
- prioritised = 1;
-@@ -2611,7 +2636,7 @@ static int yaffs_FindBlockForGarbageColl
- }
- }
-
-- if(!pendingPrioritisedExist) /* None found, so we can clear this */
-+ if (!pendingPrioritisedExist) /* None found, so we can clear this */
- dev->hasPendingPrioritisedGCs = 0;
- }
-
-@@ -2623,31 +2648,28 @@ static int yaffs_FindBlockForGarbageColl
-
- dev->nonAggressiveSkip--;
-
-- if (!aggressive && (dev->nonAggressiveSkip > 0)) {
-+ if (!aggressive && (dev->nonAggressiveSkip > 0))
- return -1;
-- }
-
-- if(!prioritised)
-+ if (!prioritised)
- pagesInUse =
-- (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
-+ (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
-
-- if (aggressive) {
-+ if (aggressive)
- iterations =
- dev->internalEndBlock - dev->internalStartBlock + 1;
-- } else {
-+ else {
- iterations =
- dev->internalEndBlock - dev->internalStartBlock + 1;
- iterations = iterations / 16;
-- if (iterations > 200) {
-+ if (iterations > 200)
- iterations = 200;
-- }
- }
-
- for (i = 0; i <= iterations && pagesInUse > 0 && !prioritised; i++) {
- b++;
-- if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
-+ if (b < dev->internalStartBlock || b > dev->internalEndBlock)
- b = dev->internalStartBlock;
-- }
-
- if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
- T(YAFFS_TRACE_ERROR,
-@@ -2657,17 +2679,9 @@ static int yaffs_FindBlockForGarbageColl
-
- bi = yaffs_GetBlockInfo(dev, b);
-
--#if 0
-- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
-- dirtiest = b;
-- pagesInUse = 0;
-- }
-- else
--#endif
--
- if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-- (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
-- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
-+ (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
-+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
- dirtiest = b;
- pagesInUse = (bi->pagesInUse - bi->softDeletions);
- }
-@@ -2678,19 +2692,18 @@ static int yaffs_FindBlockForGarbageColl
- if (dirtiest > 0) {
- T(YAFFS_TRACE_GC,
- (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest,
-- dev->nChunksPerBlock - pagesInUse,prioritised));
-+ dev->nChunksPerBlock - pagesInUse, prioritised));
- }
-
- dev->oldestDirtySequence = 0;
-
-- if (dirtiest > 0) {
-+ if (dirtiest > 0)
- dev->nonAggressiveSkip = 4;
-- }
-
- return dirtiest;
- }
-
--static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo)
-+static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo)
- {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo);
-
-@@ -2752,7 +2765,7 @@ static void yaffs_BlockBecameDirty(yaffs
- }
- }
-
--static int yaffs_FindBlockForAllocation(yaffs_Device * dev)
-+static int yaffs_FindBlockForAllocation(yaffs_Device *dev)
- {
- int i;
-
-@@ -2763,7 +2776,7 @@ static int yaffs_FindBlockForAllocation(
- * Can't get space to gc
- */
- T(YAFFS_TRACE_ERROR,
-- (TSTR("yaffs tragedy: no more eraased blocks" TENDSTR)));
-+ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
-
- return -1;
- }
-@@ -2794,31 +2807,74 @@ static int yaffs_FindBlockForAllocation(
-
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
-- ("yaffs tragedy: no more eraased blocks, but there should have been %d"
-+ ("yaffs tragedy: no more erased blocks, but there should have been %d"
- TENDSTR), dev->nErasedBlocks));
-
- return -1;
- }
-
-
--// Check if there's space to allocate...
--// Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
--static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev)
-+
-+static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev)
-+{
-+ if (!dev->nCheckpointBlocksRequired &&
-+ dev->isYaffs2) {
-+ /* Not a valid value so recalculate */
-+ int nBytes = 0;
-+ int nBlocks;
-+ int devBlocks = (dev->endBlock - dev->startBlock + 1);
-+ int tnodeSize;
-+
-+ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
-+ nBytes += sizeof(yaffs_CheckpointValidity);
-+ nBytes += sizeof(yaffs_CheckpointDevice);
-+ nBytes += devBlocks * sizeof(yaffs_BlockInfo);
-+ nBytes += devBlocks * dev->chunkBitmapStride;
-+ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects);
-+ nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes);
-+ nBytes += sizeof(yaffs_CheckpointValidity);
-+ nBytes += sizeof(__u32); /* checksum*/
-+
-+ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */
-+
-+ nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3;
-+
-+ dev->nCheckpointBlocksRequired = nBlocks;
-+ }
-+
-+ return dev->nCheckpointBlocksRequired;
-+}
-+
-+/*
-+ * Check if there's space to allocate...
-+ * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
-+ */
-+static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev)
- {
- int reservedChunks;
- int reservedBlocks = dev->nReservedBlocks;
- int checkpointBlocks;
-
-- checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
-- if(checkpointBlocks < 0)
-+ if (dev->isYaffs2) {
-+ checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) -
-+ dev->blocksInCheckpoint;
-+ if (checkpointBlocks < 0)
-+ checkpointBlocks = 0;
-+ } else {
- checkpointBlocks = 0;
-+ }
-
- reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock);
-
- return (dev->nFreeChunks > reservedChunks);
- }
-
--static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr)
-+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
-+ yaffs_BlockInfo **blockUsedPtr)
- {
- int retVal;
- yaffs_BlockInfo *bi;
-@@ -2835,7 +2891,7 @@ static int yaffs_AllocateChunk(yaffs_Dev
- }
-
- if (dev->nErasedBlocks < dev->nReservedBlocks
-- && dev->allocationPage == 0) {
-+ && dev->allocationPage == 0) {
- T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
- }
-
-@@ -2844,10 +2900,10 @@ static int yaffs_AllocateChunk(yaffs_Dev
- bi = yaffs_GetBlockInfo(dev, dev->allocationBlock);
-
- retVal = (dev->allocationBlock * dev->nChunksPerBlock) +
-- dev->allocationPage;
-+ dev->allocationPage;
- bi->pagesInUse++;
- yaffs_SetChunkBit(dev, dev->allocationBlock,
-- dev->allocationPage);
-+ dev->allocationPage);
-
- dev->allocationPage++;
-
-@@ -2859,43 +2915,43 @@ static int yaffs_AllocateChunk(yaffs_Dev
- dev->allocationBlock = -1;
- }
-
-- if(blockUsedPtr)
-+ if (blockUsedPtr)
- *blockUsedPtr = bi;
-
- return retVal;
- }
-
- T(YAFFS_TRACE_ERROR,
-- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
-+ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
-
- return -1;
- }
-
--static int yaffs_GetErasedChunks(yaffs_Device * dev)
-+static int yaffs_GetErasedChunks(yaffs_Device *dev)
- {
- int n;
-
- n = dev->nErasedBlocks * dev->nChunksPerBlock;
-
-- if (dev->allocationBlock > 0) {
-+ if (dev->allocationBlock > 0)
- n += (dev->nChunksPerBlock - dev->allocationPage);
-- }
-
- return n;
-
- }
-
--static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block)
-+static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block,
-+ int wholeBlock)
- {
- int oldChunk;
- int newChunk;
-- int chunkInBlock;
- int markNAND;
- int retVal = YAFFS_OK;
- int cleanups = 0;
- int i;
- int isCheckpointBlock;
- int matchingChunk;
-+ int maxCopies;
-
- int chunksBefore = yaffs_GetErasedChunks(dev);
- int chunksAfter;
-@@ -2911,8 +2967,11 @@ static int yaffs_GarbageCollectBlock(yaf
- bi->blockState = YAFFS_BLOCK_STATE_COLLECTING;
-
- T(YAFFS_TRACE_TRACING,
-- (TSTR("Collecting block %d, in use %d, shrink %d, " TENDSTR), block,
-- bi->pagesInUse, bi->hasShrinkHeader));
-+ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR),
-+ block,
-+ bi->pagesInUse,
-+ bi->hasShrinkHeader,
-+ wholeBlock));
-
- /*yaffs_VerifyFreeChunks(dev); */
-
-@@ -2926,26 +2985,33 @@ static int yaffs_GarbageCollectBlock(yaf
- dev->isDoingGC = 1;
-
- if (isCheckpointBlock ||
-- !yaffs_StillSomeChunkBits(dev, block)) {
-+ !yaffs_StillSomeChunkBits(dev, block)) {
- T(YAFFS_TRACE_TRACING,
-- (TSTR
-- ("Collecting block %d that has no chunks in use" TENDSTR),
-- block));
-+ (TSTR
-+ ("Collecting block %d that has no chunks in use" TENDSTR),
-+ block));
- yaffs_BlockBecameDirty(dev, block);
- } else {
-
- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
-
-- yaffs_VerifyBlock(dev,bi,block);
-+ yaffs_VerifyBlock(dev, bi, block);
-
-- for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock;
-- chunkInBlock < dev->nChunksPerBlock
-- && yaffs_StillSomeChunkBits(dev, block);
-- chunkInBlock++, oldChunk++) {
-- if (yaffs_CheckChunkBit(dev, block, chunkInBlock)) {
-+ maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10;
-+ oldChunk = block * dev->nChunksPerBlock + dev->gcChunk;
-+
-+ for (/* init already done */;
-+ retVal == YAFFS_OK &&
-+ dev->gcChunk < dev->nChunksPerBlock &&
-+ (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) &&
-+ maxCopies > 0;
-+ dev->gcChunk++, oldChunk++) {
-+ if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) {
-
- /* This page is in use and might need to be copied off */
-
-+ maxCopies--;
-+
- markNAND = 1;
-
- yaffs_InitialiseTags(&tags);
-@@ -2959,22 +3025,22 @@ static int yaffs_GarbageCollectBlock(yaf
-
- T(YAFFS_TRACE_GC_DETAIL,
- (TSTR
-- ("Collecting page %d, %d %d %d " TENDSTR),
-- chunkInBlock, tags.objectId, tags.chunkId,
-+ ("Collecting chunk in block %d, %d %d %d " TENDSTR),
-+ dev->gcChunk, tags.objectId, tags.chunkId,
- tags.byteCount));
-
-- if(object && !yaffs_SkipVerification(dev)){
-- if(tags.chunkId == 0)
-- matchingChunk = object->chunkId;
-- else if(object->softDeleted)
-+ if (object && !yaffs_SkipVerification(dev)) {
-+ if (tags.chunkId == 0)
-+ matchingChunk = object->hdrChunk;
-+ else if (object->softDeleted)
- matchingChunk = oldChunk; /* Defeat the test */
- else
-- matchingChunk = yaffs_FindChunkInFile(object,tags.chunkId,NULL);
-+ matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL);
-
-- if(oldChunk != matchingChunk)
-+ if (oldChunk != matchingChunk)
- T(YAFFS_TRACE_ERROR,
- (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR),
-- oldChunk,matchingChunk,tags.objectId, tags.chunkId));
-+ oldChunk, matchingChunk, tags.objectId, tags.chunkId));
-
- }
-
-@@ -2986,9 +3052,11 @@ static int yaffs_GarbageCollectBlock(yaf
- tags.objectId, tags.chunkId, tags.byteCount));
- }
-
-- if (object && object->deleted
-- && tags.chunkId != 0) {
-- /* Data chunk in a deleted file, throw it away
-+ if (object &&
-+ object->deleted &&
-+ object->softDeleted &&
-+ tags.chunkId != 0) {
-+ /* Data chunk in a soft deleted file, throw it away
- * It's a soft deleted data chunk,
- * No need to copy this, just forget about it and
- * fix up the object.
-@@ -3003,13 +3071,12 @@ static int yaffs_GarbageCollectBlock(yaf
- cleanups++;
- }
- markNAND = 0;
-- } else if (0
-- /* Todo object && object->deleted && object->nDataChunks == 0 */
-- ) {
-+ } else if (0) {
-+ /* Todo object && object->deleted && object->nDataChunks == 0 */
- /* Deleted object header with no data chunks.
- * Can be discarded and the file deleted.
- */
-- object->chunkId = 0;
-+ object->hdrChunk = 0;
- yaffs_FreeTnode(object->myDev,
- object->variant.
- fileVariant.top);
-@@ -3031,17 +3098,14 @@ static int yaffs_GarbageCollectBlock(yaf
- * We need to nuke the shrinkheader flags first
- * We no longer want the shrinkHeader flag since its work is done
- * and if it is left in place it will mess up scanning.
-- * Also, clear out any shadowing stuff
- */
-
- yaffs_ObjectHeader *oh;
- oh = (yaffs_ObjectHeader *)buffer;
- oh->isShrink = 0;
-- oh->shadowsObject = -1;
-- tags.extraShadows = 0;
- tags.extraIsShrinkHeader = 0;
-
-- yaffs_VerifyObjectHeader(object,oh,&tags,1);
-+ yaffs_VerifyObjectHeader(object, oh, &tags, 1);
- }
-
- newChunk =
-@@ -3055,7 +3119,7 @@ static int yaffs_GarbageCollectBlock(yaf
-
- if (tags.chunkId == 0) {
- /* It's a header */
-- object->chunkId = newChunk;
-+ object->hdrChunk = newChunk;
- object->serial = tags.serialNumber;
- } else {
- /* It's a data chunk */
-@@ -3067,7 +3131,8 @@ static int yaffs_GarbageCollectBlock(yaf
- }
- }
-
-- yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
-+ if (retVal == YAFFS_OK)
-+ yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
-
- }
- }
-@@ -3098,18 +3163,25 @@ static int yaffs_GarbageCollectBlock(yaf
-
- }
-
-- yaffs_VerifyCollectedBlock(dev,bi,block);
-+ yaffs_VerifyCollectedBlock(dev, bi, block);
-
-- if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) {
-+ chunksAfter = yaffs_GetErasedChunks(dev);
-+ if (chunksBefore >= chunksAfter) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("gc did not increase free chunks before %d after %d"
- TENDSTR), chunksBefore, chunksAfter));
- }
-
-+ /* If the gc completed then clear the current gcBlock so that we find another. */
-+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) {
-+ dev->gcBlock = -1;
-+ dev->gcChunk = 0;
-+ }
-+
- dev->isDoingGC = 0;
-
-- return YAFFS_OK;
-+ return retVal;
- }
-
- /* New garbage collector
-@@ -3121,7 +3193,7 @@ static int yaffs_GarbageCollectBlock(yaf
- * The idea is to help clear out space in a more spread-out manner.
- * Dunno if it really does anything useful.
- */
--static int yaffs_CheckGarbageCollection(yaffs_Device * dev)
-+static int yaffs_CheckGarbageCollection(yaffs_Device *dev)
- {
- int block;
- int aggressive;
-@@ -3142,8 +3214,8 @@ static int yaffs_CheckGarbageCollection(
- do {
- maxTries++;
-
-- checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint);
-- if(checkpointBlockAdjust < 0)
-+ checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
-+ if (checkpointBlockAdjust < 0)
- checkpointBlockAdjust = 0;
-
- if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) {
-@@ -3154,20 +3226,24 @@ static int yaffs_CheckGarbageCollection(
- aggressive = 0;
- }
-
-- block = yaffs_FindBlockForGarbageCollection(dev, aggressive);
-+ if (dev->gcBlock <= 0) {
-+ dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive);
-+ dev->gcChunk = 0;
-+ }
-+
-+ block = dev->gcBlock;
-
- if (block > 0) {
- dev->garbageCollections++;
-- if (!aggressive) {
-+ if (!aggressive)
- dev->passiveGarbageCollections++;
-- }
-
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
- dev->nErasedBlocks, aggressive));
-
-- gcOk = yaffs_GarbageCollectBlock(dev, block);
-+ gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive);
- }
-
- if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) {
-@@ -3176,15 +3252,16 @@ static int yaffs_CheckGarbageCollection(
- ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d"
- TENDSTR), dev->nErasedBlocks, maxTries, block));
- }
-- } while ((dev->nErasedBlocks < dev->nReservedBlocks) && (block > 0)
-- && (maxTries < 2));
-+ } while ((dev->nErasedBlocks < dev->nReservedBlocks) &&
-+ (block > 0) &&
-+ (maxTries < 2));
-
- return aggressive ? gcOk : YAFFS_OK;
- }
-
- /*------------------------- TAGS --------------------------------*/
-
--static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
-+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
- int chunkInObject)
- {
- return (tags->chunkId == chunkInObject &&
-@@ -3195,8 +3272,8 @@ static int yaffs_TagsMatch(const yaffs_E
-
- /*-------------------- Data file manipulation -----------------*/
-
--static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
-- yaffs_ExtendedTags * tags)
-+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags)
- {
- /*Get the Tnode, then get the level 0 offset chunk offset */
- yaffs_Tnode *tn;
-@@ -3214,7 +3291,7 @@ static int yaffs_FindChunkInFile(yaffs_O
- tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
-
- if (tn) {
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-
- retVal =
- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
-@@ -3223,8 +3300,8 @@ static int yaffs_FindChunkInFile(yaffs_O
- return retVal;
- }
-
--static int yaffs_FindAndDeleteChunkInFile(yaffs_Object * in, int chunkInInode,
-- yaffs_ExtendedTags * tags)
-+static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags)
- {
- /* Get the Tnode, then get the level 0 offset chunk offset */
- yaffs_Tnode *tn;
-@@ -3243,29 +3320,23 @@ static int yaffs_FindAndDeleteChunkInFil
-
- if (tn) {
-
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-
- retVal =
- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
- chunkInInode);
-
- /* Delete the entry in the filestructure (if found) */
-- if (retVal != -1) {
-- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,0);
-- }
-- } else {
-- /*T(("No level 0 found for %d\n", chunkInInode)); */
-+ if (retVal != -1)
-+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0);
- }
-
-- if (retVal == -1) {
-- /* T(("Could not find %d to delete\n",chunkInInode)); */
-- }
- return retVal;
- }
-
- #ifdef YAFFS_PARANOID
-
--static int yaffs_CheckFileSanity(yaffs_Object * in)
-+static int yaffs_CheckFileSanity(yaffs_Object *in)
- {
- int chunk;
- int nChunks;
-@@ -3278,10 +3349,8 @@ static int yaffs_CheckFileSanity(yaffs_O
- int theChunk;
- int chunkDeleted;
-
-- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
-- /* T(("Object not a file\n")); */
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
- return YAFFS_FAIL;
-- }
-
- objId = in->objectId;
- fSize = in->variant.fileVariant.fileSize;
-@@ -3294,7 +3363,7 @@ static int yaffs_CheckFileSanity(yaffs_O
-
- if (tn) {
-
-- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunk);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk);
-
- if (yaffs_CheckChunkBits
- (dev, theChunk / dev->nChunksPerBlock,
-@@ -3323,7 +3392,7 @@ static int yaffs_CheckFileSanity(yaffs_O
-
- #endif
-
--static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
-+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
- int chunkInNAND, int inScan)
- {
- /* NB inScan is zero unless scanning.
-@@ -3358,11 +3427,10 @@ static int yaffs_PutChunkIntoFile(yaffs_
- &in->variant.fileVariant,
- chunkInInode,
- NULL);
-- if (!tn) {
-+ if (!tn)
- return YAFFS_FAIL;
-- }
-
-- existingChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
-+ existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-
- if (inScan != 0) {
- /* If we're scanning then we need to test for duplicates
-@@ -3374,7 +3442,7 @@ static int yaffs_PutChunkIntoFile(yaffs_
- * Update: For backward scanning we don't need to re-read tags so this is quite cheap.
- */
-
-- if (existingChunk != 0) {
-+ if (existingChunk > 0) {
- /* NB Right now existing chunk will not be real chunkId if the device >= 32MB
- * thus we have to do a FindChunkInFile to get the real chunk id.
- *
-@@ -3411,8 +3479,10 @@ static int yaffs_PutChunkIntoFile(yaffs_
- * not be loaded during a scan
- */
-
-- newSerial = newTags.serialNumber;
-- existingSerial = existingTags.serialNumber;
-+ if (inScan > 0) {
-+ newSerial = newTags.serialNumber;
-+ existingSerial = existingTags.serialNumber;
-+ }
-
- if ((inScan > 0) &&
- (in->myDev->isYaffs2 ||
-@@ -3437,24 +3507,23 @@ static int yaffs_PutChunkIntoFile(yaffs_
-
- }
-
-- if (existingChunk == 0) {
-+ if (existingChunk == 0)
- in->nDataChunks++;
-- }
-
-- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,chunkInNAND);
-+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND);
-
- return YAFFS_OK;
- }
-
--static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode,
-- __u8 * buffer)
-+static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode,
-+ __u8 *buffer)
- {
- int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL);
-
-- if (chunkInNAND >= 0) {
-+ if (chunkInNAND >= 0)
- return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND,
-- buffer,NULL);
-- } else {
-+ buffer, NULL);
-+ else {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not found zero instead" TENDSTR),
- chunkInNAND));
-@@ -3465,7 +3534,7 @@ static int yaffs_ReadChunkDataFromObject
-
- }
-
--void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn)
-+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn)
- {
- int block;
- int page;
-@@ -3475,16 +3544,15 @@ void yaffs_DeleteChunk(yaffs_Device * de
- if (chunkId <= 0)
- return;
-
--
- dev->nDeletions++;
- block = chunkId / dev->nChunksPerBlock;
- page = chunkId % dev->nChunksPerBlock;
-
-
-- if(!yaffs_CheckChunkBit(dev,block,page))
-+ if (!yaffs_CheckChunkBit(dev, block, page))
- T(YAFFS_TRACE_VERIFY,
-- (TSTR("Deleting invalid chunk %d"TENDSTR),
-- chunkId));
-+ (TSTR("Deleting invalid chunk %d"TENDSTR),
-+ chunkId));
-
- bi = yaffs_GetBlockInfo(dev, block);
-
-@@ -3524,14 +3592,12 @@ void yaffs_DeleteChunk(yaffs_Device * de
- yaffs_BlockBecameDirty(dev, block);
- }
-
-- } else {
-- /* T(("Bad news deleting chunk %d\n",chunkId)); */
- }
-
- }
-
--static int yaffs_WriteChunkDataToObject(yaffs_Object * in, int chunkInInode,
-- const __u8 * buffer, int nBytes,
-+static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode,
-+ const __u8 *buffer, int nBytes,
- int useReserve)
- {
- /* Find old chunk Need to do this to get serial number
-@@ -3561,6 +3627,12 @@ static int yaffs_WriteChunkDataToObject(
- (prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1;
- newTags.byteCount = nBytes;
-
-+ if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes));
-+ YBUG();
-+ }
-+
- newChunkId =
- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
- useReserve);
-@@ -3568,11 +3640,9 @@ static int yaffs_WriteChunkDataToObject(
- if (newChunkId >= 0) {
- yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0);
-
-- if (prevChunkId >= 0) {
-+ if (prevChunkId >= 0)
- yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__);
-
-- }
--
- yaffs_CheckFileSanity(in);
- }
- return newChunkId;
-@@ -3582,7 +3652,7 @@ static int yaffs_WriteChunkDataToObject(
- /* UpdateObjectHeader updates the header on NAND for an object.
- * If name is not NULL, then that new name is used.
- */
--int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force,
-+int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
- int isShrink, int shadows)
- {
-
-@@ -3603,9 +3673,12 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
-
- yaffs_ObjectHeader *oh = NULL;
-
-- yaffs_strcpy(oldName,"silly old name");
-+ yaffs_strcpy(oldName, _Y("silly old name"));
-
-- if (!in->fake || force) {
-+
-+ if (!in->fake ||
-+ in == dev->rootDir || /* The rootDir should also be saved */
-+ force) {
-
- yaffs_CheckGarbageCollection(dev);
- yaffs_CheckObjectDetailsLoaded(in);
-@@ -3613,13 +3686,13 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
- buffer = yaffs_GetTempBuffer(in->myDev, __LINE__);
- oh = (yaffs_ObjectHeader *) buffer;
-
-- prevChunkId = in->chunkId;
-+ prevChunkId = in->hdrChunk;
-
-- if (prevChunkId >= 0) {
-+ if (prevChunkId > 0) {
- result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId,
- buffer, &oldTags);
-
-- yaffs_VerifyObjectHeader(in,oh,&oldTags,0);
-+ yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
-
- memcpy(oldName, oh->name, sizeof(oh->name));
- }
-@@ -3628,7 +3701,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
-
- oh->type = in->variantType;
- oh->yst_mode = in->yst_mode;
-- oh->shadowsObject = shadows;
-+ oh->shadowsObject = oh->inbandShadowsObject = shadows;
-
- #ifdef CONFIG_YAFFS_WINCE
- oh->win_atime[0] = in->win_atime[0];
-@@ -3645,20 +3718,18 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
- oh->yst_ctime = in->yst_ctime;
- oh->yst_rdev = in->yst_rdev;
- #endif
-- if (in->parent) {
-+ if (in->parent)
- oh->parentObjectId = in->parent->objectId;
-- } else {
-+ else
- oh->parentObjectId = 0;
-- }
-
- if (name && *name) {
- memset(oh->name, 0, sizeof(oh->name));
- yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH);
-- } else if (prevChunkId>=0) {
-+ } else if (prevChunkId >= 0)
- memcpy(oh->name, oldName, sizeof(oh->name));
-- } else {
-+ else
- memset(oh->name, 0, sizeof(oh->name));
-- }
-
- oh->isShrink = isShrink;
-
-@@ -3708,7 +3779,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
- newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0;
- newTags.extraObjectType = in->variantType;
-
-- yaffs_VerifyObjectHeader(in,oh,&newTags,1);
-+ yaffs_VerifyObjectHeader(in, oh, &newTags, 1);
-
- /* Create new chunk in NAND */
- newChunkId =
-@@ -3717,20 +3788,20 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
-
- if (newChunkId >= 0) {
-
-- in->chunkId = newChunkId;
-+ in->hdrChunk = newChunkId;
-
- if (prevChunkId >= 0) {
- yaffs_DeleteChunk(dev, prevChunkId, 1,
- __LINE__);
- }
-
-- if(!yaffs_ObjectHasCachedWriteData(in))
-+ if (!yaffs_ObjectHasCachedWriteData(in))
- in->dirty = 0;
-
- /* If this was a shrink, then mark the block that the chunk lives on */
- if (isShrink) {
- bi = yaffs_GetBlockInfo(in->myDev,
-- newChunkId /in->myDev-> nChunksPerBlock);
-+ newChunkId / in->myDev->nChunksPerBlock);
- bi->hasShrinkHeader = 1;
- }
-
-@@ -3766,7 +3837,7 @@ static int yaffs_ObjectHasCachedWriteDat
- yaffs_ChunkCache *cache;
- int nCaches = obj->myDev->nShortOpCaches;
-
-- for(i = 0; i < nCaches; i++){
-+ for (i = 0; i < nCaches; i++) {
- cache = &dev->srCache[i];
- if (cache->object == obj &&
- cache->dirty)
-@@ -3777,7 +3848,7 @@ static int yaffs_ObjectHasCachedWriteDat
- }
-
-
--static void yaffs_FlushFilesChunkCache(yaffs_Object * obj)
-+static void yaffs_FlushFilesChunkCache(yaffs_Object *obj)
- {
- yaffs_Device *dev = obj->myDev;
- int lowest = -99; /* Stop compiler whining. */
-@@ -3844,16 +3915,16 @@ void yaffs_FlushEntireDeviceCache(yaffs_
- */
- do {
- obj = NULL;
-- for( i = 0; i < nCaches && !obj; i++) {
-+ for (i = 0; i < nCaches && !obj; i++) {
- if (dev->srCache[i].object &&
- dev->srCache[i].dirty)
- obj = dev->srCache[i].object;
-
- }
-- if(obj)
-+ if (obj)
- yaffs_FlushFilesChunkCache(obj);
-
-- } while(obj);
-+ } while (obj);
-
- }
-
-@@ -3863,41 +3934,21 @@ void yaffs_FlushEntireDeviceCache(yaffs_
- * Then look for the least recently used non-dirty one.
- * Then look for the least recently used dirty one...., flush and look again.
- */
--static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device * dev)
-+static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev)
- {
- int i;
-- int usage;
-- int theOne;
-
- if (dev->nShortOpCaches > 0) {
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (!dev->srCache[i].object)
- return &dev->srCache[i];
- }
-+ }
-
-- return NULL;
-+ return NULL;
-+}
-
-- theOne = -1;
-- usage = 0; /* just to stop the compiler grizzling */
--
-- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if (!dev->srCache[i].dirty &&
-- ((dev->srCache[i].lastUse < usage && theOne >= 0) ||
-- theOne < 0)) {
-- usage = dev->srCache[i].lastUse;
-- theOne = i;
-- }
-- }
--
--
-- return theOne >= 0 ? &dev->srCache[theOne] : NULL;
-- } else {
-- return NULL;
-- }
--
--}
--
--static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device * dev)
-+static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev)
- {
- yaffs_ChunkCache *cache;
- yaffs_Object *theObj;
-@@ -3927,8 +3978,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (dev->srCache[i].object &&
- !dev->srCache[i].locked &&
-- (dev->srCache[i].lastUse < usage || !cache))
-- {
-+ (dev->srCache[i].lastUse < usage || !cache)) {
- usage = dev->srCache[i].lastUse;
- theObj = dev->srCache[i].object;
- cache = &dev->srCache[i];
-@@ -3950,7 +4000,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk
- }
-
- /* Find a cached chunk */
--static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object * obj,
-+static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj,
- int chunkId)
- {
- yaffs_Device *dev = obj->myDev;
-@@ -3969,7 +4019,7 @@ static yaffs_ChunkCache *yaffs_FindChunk
- }
-
- /* Mark the chunk for the least recently used algorithym */
--static void yaffs_UseChunkCache(yaffs_Device * dev, yaffs_ChunkCache * cache,
-+static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
- int isAWrite)
- {
-
-@@ -3977,9 +4027,9 @@ static void yaffs_UseChunkCache(yaffs_De
- if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
- /* Reset the cache usages */
- int i;
-- for (i = 1; i < dev->nShortOpCaches; i++) {
-+ for (i = 1; i < dev->nShortOpCaches; i++)
- dev->srCache[i].lastUse = 0;
-- }
-+
- dev->srLastUse = 0;
- }
-
-@@ -3987,9 +4037,8 @@ static void yaffs_UseChunkCache(yaffs_De
-
- cache->lastUse = dev->srLastUse;
-
-- if (isAWrite) {
-+ if (isAWrite)
- cache->dirty = 1;
-- }
- }
- }
-
-@@ -3997,21 +4046,20 @@ static void yaffs_UseChunkCache(yaffs_De
- * Do this when a whole page gets written,
- * ie the short cache for this page is no longer valid.
- */
--static void yaffs_InvalidateChunkCache(yaffs_Object * object, int chunkId)
-+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId)
- {
- if (object->myDev->nShortOpCaches > 0) {
- yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
-
-- if (cache) {
-+ if (cache)
- cache->object = NULL;
-- }
- }
- }
-
- /* Invalidate all the cache pages associated with this object
- * Do this whenever ther file is deleted or resized.
- */
--static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in)
-+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in)
- {
- int i;
- yaffs_Device *dev = in->myDev;
-@@ -4019,9 +4067,8 @@ static void yaffs_InvalidateWholeChunkCa
- if (dev->nShortOpCaches > 0) {
- /* Invalidate it. */
- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if (dev->srCache[i].object == in) {
-+ if (dev->srCache[i].object == in)
- dev->srCache[i].object = NULL;
-- }
- }
- }
- }
-@@ -4029,18 +4076,18 @@ static void yaffs_InvalidateWholeChunkCa
- /*--------------------- Checkpointing --------------------*/
-
-
--static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head)
-+static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head)
- {
- yaffs_CheckpointValidity cp;
-
-- memset(&cp,0,sizeof(cp));
-+ memset(&cp, 0, sizeof(cp));
-
- cp.structType = sizeof(cp);
- cp.magic = YAFFS_MAGIC;
- cp.version = YAFFS_CHECKPOINT_VERSION;
- cp.head = (head) ? 1 : 0;
-
-- return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))?
-+ return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
- 1 : 0;
- }
-
-@@ -4049,9 +4096,9 @@ static int yaffs_ReadCheckpointValidityM
- yaffs_CheckpointValidity cp;
- int ok;
-
-- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-
-- if(ok)
-+ if (ok)
- ok = (cp.structType == sizeof(cp)) &&
- (cp.magic == YAFFS_MAGIC) &&
- (cp.version == YAFFS_CHECKPOINT_VERSION) &&
-@@ -4100,21 +4147,21 @@ static int yaffs_WriteCheckpointDevice(y
- int ok;
-
- /* Write device runtime values*/
-- yaffs_DeviceToCheckpointDevice(&cp,dev);
-+ yaffs_DeviceToCheckpointDevice(&cp, dev);
- cp.structType = sizeof(cp);
-
-- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-
- /* Write block info */
-- if(ok) {
-+ if (ok) {
- nBytes = nBlocks * sizeof(yaffs_BlockInfo);
-- ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes);
- }
-
- /* Write chunk bits */
-- if(ok) {
-+ if (ok) {
- nBytes = nBlocks * dev->chunkBitmapStride;
-- ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes);
- }
- return ok ? 1 : 0;
-
-@@ -4128,25 +4175,25 @@ static int yaffs_ReadCheckpointDevice(ya
-
- int ok;
-
-- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
-- if(!ok)
-+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ if (!ok)
- return 0;
-
-- if(cp.structType != sizeof(cp))
-+ if (cp.structType != sizeof(cp))
- return 0;
-
-
-- yaffs_CheckpointDeviceToDevice(dev,&cp);
-+ yaffs_CheckpointDeviceToDevice(dev, &cp);
-
- nBytes = nBlocks * sizeof(yaffs_BlockInfo);
-
-- ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes);
-
-- if(!ok)
-+ if (!ok)
- return 0;
- nBytes = nBlocks * dev->chunkBitmapStride;
-
-- ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes);
-+ ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes);
-
- return ok ? 1 : 0;
- }
-@@ -4157,7 +4204,7 @@ static void yaffs_ObjectToCheckpointObje
-
- cp->objectId = obj->objectId;
- cp->parentId = (obj->parent) ? obj->parent->objectId : 0;
-- cp->chunkId = obj->chunkId;
-+ cp->hdrChunk = obj->hdrChunk;
- cp->variantType = obj->variantType;
- cp->deleted = obj->deleted;
- cp->softDeleted = obj->softDeleted;
-@@ -4168,20 +4215,28 @@ static void yaffs_ObjectToCheckpointObje
- cp->serial = obj->serial;
- cp->nDataChunks = obj->nDataChunks;
-
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize;
-- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
- cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId;
- }
-
--static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointObject *cp)
-+static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp)
- {
-
- yaffs_Object *parent;
-
-+ if (obj->variantType != cp->variantType) {
-+ T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d "
-+ TCONT("chunk %d does not match existing object type %d")
-+ TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk,
-+ obj->variantType));
-+ return 0;
-+ }
-+
- obj->objectId = cp->objectId;
-
-- if(cp->parentId)
-+ if (cp->parentId)
- parent = yaffs_FindOrCreateObjectByNumber(
- obj->myDev,
- cp->parentId,
-@@ -4189,10 +4244,19 @@ static void yaffs_CheckpointObjectToObje
- else
- parent = NULL;
-
-- if(parent)
-+ if (parent) {
-+ if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d"
-+ TCONT(" chunk %d Parent type, %d, not directory")
-+ TENDSTR),
-+ cp->objectId, cp->parentId, cp->variantType,
-+ cp->hdrChunk, parent->variantType));
-+ return 0;
-+ }
- yaffs_AddObjectToDirectory(parent, obj);
-+ }
-
-- obj->chunkId = cp->chunkId;
-+ obj->hdrChunk = cp->hdrChunk;
- obj->variantType = cp->variantType;
- obj->deleted = cp->deleted;
- obj->softDeleted = cp->softDeleted;
-@@ -4203,29 +4267,34 @@ static void yaffs_CheckpointObjectToObje
- obj->serial = cp->serial;
- obj->nDataChunks = cp->nDataChunks;
-
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId;
-- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
- obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId;
-
-- if(obj->objectId >= YAFFS_NOBJECT_BUCKETS)
-+ if (obj->hdrChunk > 0)
- obj->lazyLoaded = 1;
-+ return 1;
- }
-
-
-
--static int yaffs_CheckpointTnodeWorker(yaffs_Object * in, yaffs_Tnode * tn,
-- __u32 level, int chunkOffset)
-+static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
- {
- int i;
- yaffs_Device *dev = in->myDev;
- int ok = 1;
-- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-+
-
- if (tn) {
- if (level > 0) {
-
-- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
-+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
- if (tn->internal[i]) {
- ok = yaffs_CheckpointTnodeWorker(in,
- tn->internal[i],
-@@ -4235,10 +4304,9 @@ static int yaffs_CheckpointTnodeWorker(y
- }
- } else if (level == 0) {
- __u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS;
-- /* printf("write tnode at %d\n",baseOffset); */
-- ok = (yaffs_CheckpointWrite(dev,&baseOffset,sizeof(baseOffset)) == sizeof(baseOffset));
-- if(ok)
-- ok = (yaffs_CheckpointWrite(dev,tn,nTnodeBytes) == nTnodeBytes);
-+ ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
-+ if (ok)
-+ ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize);
- }
- }
-
-@@ -4251,13 +4319,13 @@ static int yaffs_WriteCheckpointTnodes(y
- __u32 endMarker = ~0;
- int ok = 1;
-
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
- ok = yaffs_CheckpointTnodeWorker(obj,
- obj->variant.fileVariant.top,
- obj->variant.fileVariant.topLevel,
- 0);
-- if(ok)
-- ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) ==
-+ if (ok)
-+ ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) ==
- sizeof(endMarker));
- }
-
-@@ -4272,38 +4340,38 @@ static int yaffs_ReadCheckpointTnodes(ya
- yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant;
- yaffs_Tnode *tn;
- int nread = 0;
-+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-
-- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
-+ if (tnodeSize < sizeof(yaffs_Tnode))
-+ tnodeSize = sizeof(yaffs_Tnode);
-
-- while(ok && (~baseChunk)){
-+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
-+
-+ while (ok && (~baseChunk)) {
- nread++;
- /* Read level 0 tnode */
-
-
-- /* printf("read tnode at %d\n",baseChunk); */
- tn = yaffs_GetTnodeRaw(dev);
-- if(tn)
-- ok = (yaffs_CheckpointRead(dev,tn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8) ==
-- (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ if (tn)
-+ ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize);
- else
- ok = 0;
-
-- if(tn && ok){
-+ if (tn && ok)
- ok = yaffs_AddOrFindLevel0Tnode(dev,
-- fileStructPtr,
-- baseChunk,
-- tn) ? 1 : 0;
-+ fileStructPtr,
-+ baseChunk,
-+ tn) ? 1 : 0;
-
-- }
--
-- if(ok)
-- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
-+ if (ok)
-+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
-
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(
-+ T(YAFFS_TRACE_CHECKPOINT, (
- TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR),
-- nread,baseChunk,ok));
-+ nread, baseChunk, ok));
-
- return ok ? 1 : 0;
- }
-@@ -4315,41 +4383,40 @@ static int yaffs_WriteCheckpointObjects(
- yaffs_CheckpointObject cp;
- int i;
- int ok = 1;
-- struct list_head *lh;
-+ struct ylist_head *lh;
-
-
- /* Iterate through the objects in each hash entry,
- * dumping them to the checkpointing stream.
- */
-
-- for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){
-- list_for_each(lh, &dev->objectBucket[i].list) {
-+ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each(lh, &dev->objectBucket[i].list) {
- if (lh) {
-- obj = list_entry(lh, yaffs_Object, hashLink);
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
- if (!obj->deferedFree) {
-- yaffs_ObjectToCheckpointObject(&cp,obj);
-+ yaffs_ObjectToCheckpointObject(&cp, obj);
- cp.structType = sizeof(cp);
-
-- T(YAFFS_TRACE_CHECKPOINT,(
-+ T(YAFFS_TRACE_CHECKPOINT, (
- TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR),
-- cp.objectId,cp.parentId,cp.variantType,cp.chunkId,(unsigned) obj));
-+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj));
-
-- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-
-- if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){
-+ if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- ok = yaffs_WriteCheckpointTnodes(obj);
-- }
- }
- }
- }
-- }
-+ }
-
-- /* Dump end of list */
-- memset(&cp,0xFF,sizeof(yaffs_CheckpointObject));
-+ /* Dump end of list */
-+ memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject));
- cp.structType = sizeof(cp);
-
-- if(ok)
-- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
-+ if (ok)
-+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-
- return ok ? 1 : 0;
- }
-@@ -4362,38 +4429,39 @@ static int yaffs_ReadCheckpointObjects(y
- int done = 0;
- yaffs_Object *hardList = NULL;
-
-- while(ok && !done) {
-- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
-- if(cp.structType != sizeof(cp)) {
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("struct size %d instead of %d ok %d"TENDSTR),
-- cp.structType,sizeof(cp),ok));
-+ while (ok && !done) {
-+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ if (cp.structType != sizeof(cp)) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR),
-+ cp.structType, sizeof(cp), ok));
- ok = 0;
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
-- cp.objectId,cp.parentId,cp.variantType,cp.chunkId));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
-+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk));
-
-- if(ok && cp.objectId == ~0)
-+ if (ok && cp.objectId == ~0)
- done = 1;
-- else if(ok){
-- obj = yaffs_FindOrCreateObjectByNumber(dev,cp.objectId, cp.variantType);
-- if(obj) {
-- yaffs_CheckpointObjectToObject(obj,&cp);
-- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
-+ else if (ok) {
-+ obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType);
-+ if (obj) {
-+ ok = yaffs_CheckpointObjectToObject(obj, &cp);
-+ if (!ok)
-+ break;
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
- ok = yaffs_ReadCheckpointTnodes(obj);
-- } else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
-+ } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- obj->hardLinks.next =
-- (struct list_head *)
-- hardList;
-+ (struct ylist_head *) hardList;
- hardList = obj;
- }
--
-- }
-+ } else
-+ ok = 0;
- }
- }
-
-- if(ok)
-- yaffs_HardlinkFixup(dev,hardList);
-+ if (ok)
-+ yaffs_HardlinkFixup(dev, hardList);
-
- return ok ? 1 : 0;
- }
-@@ -4403,11 +4471,11 @@ static int yaffs_WriteCheckpointSum(yaff
- __u32 checkpointSum;
- int ok;
-
-- yaffs_GetCheckpointSum(dev,&checkpointSum);
-+ yaffs_GetCheckpointSum(dev, &checkpointSum);
-
-- ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum));
-+ ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
-
-- if(!ok)
-+ if (!ok)
- return 0;
-
- return 1;
-@@ -4419,14 +4487,14 @@ static int yaffs_ReadCheckpointSum(yaffs
- __u32 checkpointSum1;
- int ok;
-
-- yaffs_GetCheckpointSum(dev,&checkpointSum0);
-+ yaffs_GetCheckpointSum(dev, &checkpointSum0);
-
-- ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1));
-+ ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
-
-- if(!ok)
-+ if (!ok)
- return 0;
-
-- if(checkpointSum0 != checkpointSum1)
-+ if (checkpointSum0 != checkpointSum1)
- return 0;
-
- return 1;
-@@ -4435,46 +4503,43 @@ static int yaffs_ReadCheckpointSum(yaffs
-
- static int yaffs_WriteCheckpointData(yaffs_Device *dev)
- {
--
- int ok = 1;
-
-- if(dev->skipCheckpointWrite || !dev->isYaffs2){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR)));
-+ if (dev->skipCheckpointWrite || !dev->isYaffs2) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
- ok = 0;
- }
-
-- if(ok)
-- ok = yaffs_CheckpointOpen(dev,1);
-+ if (ok)
-+ ok = yaffs_CheckpointOpen(dev, 1);
-
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
-- ok = yaffs_WriteCheckpointValidityMarker(dev,1);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
-+ ok = yaffs_WriteCheckpointValidityMarker(dev, 1);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint device" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR)));
- ok = yaffs_WriteCheckpointDevice(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint objects" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR)));
- ok = yaffs_WriteCheckpointObjects(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
-- ok = yaffs_WriteCheckpointValidityMarker(dev,0);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
-+ ok = yaffs_WriteCheckpointValidityMarker(dev, 0);
- }
-
-- if(ok){
-+ if (ok)
- ok = yaffs_WriteCheckpointSum(dev);
-- }
--
-
-- if(!yaffs_CheckpointClose(dev))
-- ok = 0;
-+ if (!yaffs_CheckpointClose(dev))
-+ ok = 0;
-
-- if(ok)
-- dev->isCheckpointed = 1;
-- else
-- dev->isCheckpointed = 0;
-+ if (ok)
-+ dev->isCheckpointed = 1;
-+ else
-+ dev->isCheckpointed = 0;
-
- return dev->isCheckpointed;
- }
-@@ -4483,43 +4548,43 @@ static int yaffs_ReadCheckpointData(yaff
- {
- int ok = 1;
-
-- if(dev->skipCheckpointRead || !dev->isYaffs2){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR)));
-+ if (dev->skipCheckpointRead || !dev->isYaffs2) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR)));
- ok = 0;
- }
-
-- if(ok)
-- ok = yaffs_CheckpointOpen(dev,0); /* open for read */
-+ if (ok)
-+ ok = yaffs_CheckpointOpen(dev, 0); /* open for read */
-
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
-- ok = yaffs_ReadCheckpointValidityMarker(dev,1);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
-+ ok = yaffs_ReadCheckpointValidityMarker(dev, 1);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint device" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR)));
- ok = yaffs_ReadCheckpointDevice(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR)));
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR)));
- ok = yaffs_ReadCheckpointObjects(dev);
- }
-- if(ok){
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
-- ok = yaffs_ReadCheckpointValidityMarker(dev,0);
-+ if (ok) {
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
-+ ok = yaffs_ReadCheckpointValidityMarker(dev, 0);
- }
-
-- if(ok){
-+ if (ok) {
- ok = yaffs_ReadCheckpointSum(dev);
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok));
- }
-
-- if(!yaffs_CheckpointClose(dev))
-+ if (!yaffs_CheckpointClose(dev))
- ok = 0;
-
-- if(ok)
-- dev->isCheckpointed = 1;
-- else
-- dev->isCheckpointed = 0;
-+ if (ok)
-+ dev->isCheckpointed = 1;
-+ else
-+ dev->isCheckpointed = 0;
-
- return ok ? 1 : 0;
-
-@@ -4527,11 +4592,11 @@ static int yaffs_ReadCheckpointData(yaff
-
- static void yaffs_InvalidateCheckpoint(yaffs_Device *dev)
- {
-- if(dev->isCheckpointed ||
-- dev->blocksInCheckpoint > 0){
-+ if (dev->isCheckpointed ||
-+ dev->blocksInCheckpoint > 0) {
- dev->isCheckpointed = 0;
- yaffs_CheckpointInvalidateStream(dev);
-- if(dev->superBlock && dev->markSuperBlockDirty)
-+ if (dev->superBlock && dev->markSuperBlockDirty)
- dev->markSuperBlockDirty(dev->superBlock);
- }
- }
-@@ -4540,18 +4605,18 @@ static void yaffs_InvalidateCheckpoint(y
- int yaffs_CheckpointSave(yaffs_Device *dev)
- {
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("save entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- yaffs_VerifyObjects(dev);
- yaffs_VerifyBlocks(dev);
- yaffs_VerifyFreeChunks(dev);
-
-- if(!dev->isCheckpointed) {
-+ if (!dev->isCheckpointed) {
- yaffs_InvalidateCheckpoint(dev);
- yaffs_WriteCheckpointData(dev);
- }
-
-- T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- return dev->isCheckpointed;
- }
-@@ -4559,17 +4624,17 @@ int yaffs_CheckpointSave(yaffs_Device *d
- int yaffs_CheckpointRestore(yaffs_Device *dev)
- {
- int retval;
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- retval = yaffs_ReadCheckpointData(dev);
-
-- if(dev->isCheckpointed){
-+ if (dev->isCheckpointed) {
- yaffs_VerifyObjects(dev);
- yaffs_VerifyBlocks(dev);
- yaffs_VerifyFreeChunks(dev);
- }
-
-- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-
- return retval;
- }
-@@ -4584,12 +4649,12 @@ int yaffs_CheckpointRestore(yaffs_Device
- * Curve-balls: the first chunk might also be the last chunk.
- */
-
--int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset,
-- int nBytes)
-+int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset,
-+ int nBytes)
- {
-
- int chunk;
-- int start;
-+ __u32 start;
- int nToCopy;
- int n = nBytes;
- int nDone = 0;
-@@ -4600,27 +4665,26 @@ int yaffs_ReadDataFromFile(yaffs_Object
- dev = in->myDev;
-
- while (n > 0) {
-- //chunk = offset / dev->nDataBytesPerChunk + 1;
-- //start = offset % dev->nDataBytesPerChunk;
-- yaffs_AddrToChunk(dev,offset,&chunk,&start);
-+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
-+ /* start = offset % dev->nDataBytesPerChunk; */
-+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
- chunk++;
-
- /* OK now check for the curveball where the start and end are in
- * the same chunk.
- */
-- if ((start + n) < dev->nDataBytesPerChunk) {
-+ if ((start + n) < dev->nDataBytesPerChunk)
- nToCopy = n;
-- } else {
-+ else
- nToCopy = dev->nDataBytesPerChunk - start;
-- }
-
- cache = yaffs_FindChunkCache(in, chunk);
-
- /* If the chunk is already in the cache or it is less than a whole chunk
-- * then use the cache (if there is caching)
-+ * or we're using inband tags then use the cache (if there is caching)
- * else bypass the cache.
- */
-- if (cache || nToCopy != dev->nDataBytesPerChunk) {
-+ if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
- if (dev->nShortOpCaches > 0) {
-
- /* If we can't find the data in the cache, then load it up. */
-@@ -4641,14 +4705,9 @@ int yaffs_ReadDataFromFile(yaffs_Object
-
- cache->locked = 1;
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
- memcpy(buffer, &cache->data[start], nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
- cache->locked = 0;
- } else {
- /* Read into the local buffer then copy..*/
-@@ -4657,41 +4716,19 @@ int yaffs_ReadDataFromFile(yaffs_Object
- yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_ReadChunkDataFromObject(in, chunk,
- localBuffer);
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
- memcpy(buffer, &localBuffer[start], nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
-+
- yaffs_ReleaseTempBuffer(dev, localBuffer,
- __LINE__);
- }
-
- } else {
--#ifdef CONFIG_YAFFS_WINCE
-- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
--
-- /* Under WinCE can't do direct transfer. Need to use a local buffer.
-- * This is because we otherwise screw up WinCE's memory mapper
-- */
-- yaffs_ReadChunkDataFromObject(in, chunk, localBuffer);
--
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-- memcpy(buffer, localBuffer, dev->nDataBytesPerChunk);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
-- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
--#endif
--
--#else
- /* A full chunk. Read directly into the supplied buffer. */
- yaffs_ReadChunkDataFromObject(in, chunk, buffer);
--#endif
-+
- }
-
- n -= nToCopy;
-@@ -4704,28 +4741,37 @@ int yaffs_ReadDataFromFile(yaffs_Object
- return nDone;
- }
-
--int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset,
-- int nBytes, int writeThrough)
-+int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough)
- {
-
- int chunk;
-- int start;
-+ __u32 start;
- int nToCopy;
- int n = nBytes;
- int nDone = 0;
- int nToWriteBack;
- int startOfWrite = offset;
- int chunkWritten = 0;
-- int nBytesRead;
-+ __u32 nBytesRead;
-+ __u32 chunkStart;
-
- yaffs_Device *dev;
-
- dev = in->myDev;
-
- while (n > 0 && chunkWritten >= 0) {
-- //chunk = offset / dev->nDataBytesPerChunk + 1;
-- //start = offset % dev->nDataBytesPerChunk;
-- yaffs_AddrToChunk(dev,offset,&chunk,&start);
-+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
-+ /* start = offset % dev->nDataBytesPerChunk; */
-+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
-+
-+ if (chunk * dev->nDataBytesPerChunk + start != offset ||
-+ start >= dev->nDataBytesPerChunk) {
-+ T(YAFFS_TRACE_ERROR, (
-+ TSTR("AddrToChunk of offset %d gives chunk %d start %d"
-+ TENDSTR),
-+ (int)offset, chunk, start));
-+ }
- chunk++;
-
- /* OK now check for the curveball where the start and end are in
-@@ -4740,25 +4786,32 @@ int yaffs_WriteDataToFile(yaffs_Object *
- * we need to write back as much as was there before.
- */
-
-- nBytesRead =
-- in->variant.fileVariant.fileSize -
-- ((chunk - 1) * dev->nDataBytesPerChunk);
-+ chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk);
-+
-+ if (chunkStart > in->variant.fileVariant.fileSize)
-+ nBytesRead = 0; /* Past end of file */
-+ else
-+ nBytesRead = in->variant.fileVariant.fileSize - chunkStart;
-
-- if (nBytesRead > dev->nDataBytesPerChunk) {
-+ if (nBytesRead > dev->nDataBytesPerChunk)
- nBytesRead = dev->nDataBytesPerChunk;
-- }
-
- nToWriteBack =
- (nBytesRead >
- (start + n)) ? nBytesRead : (start + n);
-
-+ if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk)
-+ YBUG();
-+
- } else {
- nToCopy = dev->nDataBytesPerChunk - start;
- nToWriteBack = dev->nDataBytesPerChunk;
- }
-
-- if (nToCopy != dev->nDataBytesPerChunk) {
-- /* An incomplete start or end chunk (or maybe both start and end chunk) */
-+ if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
-+ /* An incomplete start or end chunk (or maybe both start and end chunk),
-+ * or we're using inband tags, so we want to use the cache buffers.
-+ */
- if (dev->nShortOpCaches > 0) {
- yaffs_ChunkCache *cache;
- /* If we can't find the data in the cache, then load the cache */
-@@ -4775,10 +4828,9 @@ int yaffs_WriteDataToFile(yaffs_Object *
- yaffs_ReadChunkDataFromObject(in, chunk,
- cache->
- data);
-- }
-- else if(cache &&
-- !cache->dirty &&
-- !yaffs_CheckSpaceForAllocation(in->myDev)){
-+ } else if (cache &&
-+ !cache->dirty &&
-+ !yaffs_CheckSpaceForAllocation(in->myDev)) {
- /* Drop the cache if it was a read cache item and
- * no space check has been made for it.
- */
-@@ -4788,16 +4840,12 @@ int yaffs_WriteDataToFile(yaffs_Object *
- if (cache) {
- yaffs_UseChunkCache(dev, cache, 1);
- cache->locked = 1;
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
-
- memcpy(&cache->data[start], buffer,
- nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
-+
- cache->locked = 0;
- cache->nBytes = nToWriteBack;
-
-@@ -4825,15 +4873,10 @@ int yaffs_WriteDataToFile(yaffs_Object *
- yaffs_ReadChunkDataFromObject(in, chunk,
- localBuffer);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-+
-
- memcpy(&localBuffer[start], buffer, nToCopy);
-
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
- chunkWritten =
- yaffs_WriteChunkDataToObject(in, chunk,
- localBuffer,
-@@ -4846,31 +4889,15 @@ int yaffs_WriteDataToFile(yaffs_Object *
- }
-
- } else {
--
--#ifdef CONFIG_YAFFS_WINCE
-- /* Under WinCE can't do direct transfer. Need to use a local buffer.
-- * This is because we otherwise screw up WinCE's memory mapper
-- */
-- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_UnlockYAFFS(TRUE);
--#endif
-- memcpy(localBuffer, buffer, dev->nDataBytesPerChunk);
--#ifdef CONFIG_YAFFS_WINCE
-- yfsd_LockYAFFS(TRUE);
--#endif
-- chunkWritten =
-- yaffs_WriteChunkDataToObject(in, chunk, localBuffer,
-- dev->nDataBytesPerChunk,
-- 0);
-- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
--#else
- /* A full chunk. Write directly from the supplied buffer. */
-+
-+
-+
- chunkWritten =
- yaffs_WriteChunkDataToObject(in, chunk, buffer,
- dev->nDataBytesPerChunk,
- 0);
--#endif
-+
- /* Since we've overwritten the cached data, we better invalidate it. */
- yaffs_InvalidateChunkCache(in, chunk);
- }
-@@ -4886,9 +4913,8 @@ int yaffs_WriteDataToFile(yaffs_Object *
-
- /* Update file object */
-
-- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) {
-+ if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize)
- in->variant.fileVariant.fileSize = (startOfWrite + nDone);
-- }
-
- in->dirty = 1;
-
-@@ -4898,7 +4924,7 @@ int yaffs_WriteDataToFile(yaffs_Object *
-
- /* ---------------------- File resizing stuff ------------------ */
-
--static void yaffs_PruneResizedChunks(yaffs_Object * in, int newSize)
-+static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize)
- {
-
- yaffs_Device *dev = in->myDev;
-@@ -4939,11 +4965,11 @@ static void yaffs_PruneResizedChunks(yaf
-
- }
-
--int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize)
-+int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize)
- {
-
- int oldFileSize = in->variant.fileVariant.fileSize;
-- int newSizeOfPartialChunk;
-+ __u32 newSizeOfPartialChunk;
- int newFullChunks;
-
- yaffs_Device *dev = in->myDev;
-@@ -4955,13 +4981,11 @@ int yaffs_ResizeFile(yaffs_Object * in,
-
- yaffs_CheckGarbageCollection(dev);
-
-- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
-- return yaffs_GetFileSize(in);
-- }
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
-+ return YAFFS_FAIL;
-
-- if (newSize == oldFileSize) {
-- return oldFileSize;
-- }
-+ if (newSize == oldFileSize)
-+ return YAFFS_OK;
-
- if (newSize < oldFileSize) {
-
-@@ -4994,21 +5018,20 @@ int yaffs_ResizeFile(yaffs_Object * in,
- }
-
-
--
- /* Write a new object header.
- * show we've shrunk the file, if need be
- * Do this only if the file is not in the deleted directories.
- */
-- if (in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
-- in->parent->objectId != YAFFS_OBJECTID_DELETED) {
-+ if (in->parent &&
-+ in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
-+ in->parent->objectId != YAFFS_OBJECTID_DELETED)
- yaffs_UpdateObjectHeader(in, NULL, 0,
- (newSize < oldFileSize) ? 1 : 0, 0);
-- }
-
-- return newSize;
-+ return YAFFS_OK;
- }
-
--loff_t yaffs_GetFileSize(yaffs_Object * obj)
-+loff_t yaffs_GetFileSize(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-
-@@ -5024,7 +5047,7 @@ loff_t yaffs_GetFileSize(yaffs_Object *
-
-
-
--int yaffs_FlushFile(yaffs_Object * in, int updateTime)
-+int yaffs_FlushFile(yaffs_Object *in, int updateTime)
- {
- int retVal;
- if (in->dirty) {
-@@ -5039,9 +5062,8 @@ int yaffs_FlushFile(yaffs_Object * in, i
- #endif
- }
-
-- retVal =
-- (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
-- 0) ? YAFFS_OK : YAFFS_FAIL;
-+ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
-+ 0) ? YAFFS_OK : YAFFS_FAIL;
- } else {
- retVal = YAFFS_OK;
- }
-@@ -5050,7 +5072,7 @@ int yaffs_FlushFile(yaffs_Object * in, i
-
- }
-
--static int yaffs_DoGenericObjectDeletion(yaffs_Object * in)
-+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
- {
-
- /* First off, invalidate the file's data in the cache, without flushing. */
-@@ -5058,13 +5080,13 @@ static int yaffs_DoGenericObjectDeletion
-
- if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) {
- /* Move to the unlinked directory so we have a record that it was deleted. */
-- yaffs_ChangeObjectName(in, in->myDev->deletedDir,"deleted", 0, 0);
-+ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
-
- }
-
- yaffs_RemoveObjectFromDirectory(in);
-- yaffs_DeleteChunk(in->myDev, in->chunkId, 1, __LINE__);
-- in->chunkId = -1;
-+ yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
-+ in->hdrChunk = 0;
-
- yaffs_FreeObject(in);
- return YAFFS_OK;
-@@ -5075,62 +5097,63 @@ static int yaffs_DoGenericObjectDeletion
- * and the inode associated with the file.
- * It does not delete the links associated with the file.
- */
--static int yaffs_UnlinkFile(yaffs_Object * in)
-+static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
- {
-
- int retVal;
- int immediateDeletion = 0;
-
-- if (1) {
- #ifdef __KERNEL__
-- if (!in->myInode) {
-- immediateDeletion = 1;
--
-- }
-+ if (!in->myInode)
-+ immediateDeletion = 1;
- #else
-- if (in->inUse <= 0) {
-- immediateDeletion = 1;
--
-- }
-+ if (in->inUse <= 0)
-+ immediateDeletion = 1;
- #endif
-- if (immediateDeletion) {
-- retVal =
-- yaffs_ChangeObjectName(in, in->myDev->deletedDir,
-- "deleted", 0, 0);
-- T(YAFFS_TRACE_TRACING,
-- (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
-- in->objectId));
-- in->deleted = 1;
-- in->myDev->nDeletedFiles++;
-- if (0 && in->myDev->isYaffs2) {
-- yaffs_ResizeFile(in, 0);
-- }
-- yaffs_SoftDeleteFile(in);
-- } else {
-- retVal =
-- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
-- "unlinked", 0, 0);
-- }
-
-+ if (immediateDeletion) {
-+ retVal =
-+ yaffs_ChangeObjectName(in, in->myDev->deletedDir,
-+ _Y("deleted"), 0, 0);
-+ T(YAFFS_TRACE_TRACING,
-+ (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
-+ in->objectId));
-+ in->deleted = 1;
-+ in->myDev->nDeletedFiles++;
-+ if (1 || in->myDev->isYaffs2)
-+ yaffs_ResizeFile(in, 0);
-+ yaffs_SoftDeleteFile(in);
-+ } else {
-+ retVal =
-+ yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
-+ _Y("unlinked"), 0, 0);
- }
-+
-+
- return retVal;
- }
-
--int yaffs_DeleteFile(yaffs_Object * in)
-+int yaffs_DeleteFile(yaffs_Object *in)
- {
- int retVal = YAFFS_OK;
-+ int deleted = in->deleted;
-+
-+ yaffs_ResizeFile(in, 0);
-
- if (in->nDataChunks > 0) {
-- /* Use soft deletion if there is data in the file */
-- if (!in->unlinked) {
-- retVal = yaffs_UnlinkFile(in);
-- }
-+ /* Use soft deletion if there is data in the file.
-+ * That won't be the case if it has been resized to zero.
-+ */
-+ if (!in->unlinked)
-+ retVal = yaffs_UnlinkFileIfNeeded(in);
-+
- if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
- in->deleted = 1;
-+ deleted = 1;
- in->myDev->nDeletedFiles++;
- yaffs_SoftDeleteFile(in);
- }
-- return in->deleted ? YAFFS_OK : YAFFS_FAIL;
-+ return deleted ? YAFFS_OK : YAFFS_FAIL;
- } else {
- /* The file has no data chunks so we toss it immediately */
- yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top);
-@@ -5141,62 +5164,75 @@ int yaffs_DeleteFile(yaffs_Object * in)
- }
- }
-
--static int yaffs_DeleteDirectory(yaffs_Object * in)
-+static int yaffs_DeleteDirectory(yaffs_Object *in)
- {
- /* First check that the directory is empty. */
-- if (list_empty(&in->variant.directoryVariant.children)) {
-+ if (ylist_empty(&in->variant.directoryVariant.children))
- return yaffs_DoGenericObjectDeletion(in);
-- }
-
- return YAFFS_FAIL;
-
- }
-
--static int yaffs_DeleteSymLink(yaffs_Object * in)
-+static int yaffs_DeleteSymLink(yaffs_Object *in)
- {
- YFREE(in->variant.symLinkVariant.alias);
-
- return yaffs_DoGenericObjectDeletion(in);
- }
-
--static int yaffs_DeleteHardLink(yaffs_Object * in)
-+static int yaffs_DeleteHardLink(yaffs_Object *in)
- {
- /* remove this hardlink from the list assocaited with the equivalent
- * object
- */
-- list_del(&in->hardLinks);
-+ ylist_del_init(&in->hardLinks);
- return yaffs_DoGenericObjectDeletion(in);
- }
-
--static void yaffs_DestroyObject(yaffs_Object * obj)
-+int yaffs_DeleteObject(yaffs_Object *obj)
- {
-+int retVal = -1;
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
-- yaffs_DeleteFile(obj);
-+ retVal = yaffs_DeleteFile(obj);
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-- yaffs_DeleteDirectory(obj);
-+ return yaffs_DeleteDirectory(obj);
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
-- yaffs_DeleteSymLink(obj);
-+ retVal = yaffs_DeleteSymLink(obj);
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
-- yaffs_DeleteHardLink(obj);
-+ retVal = yaffs_DeleteHardLink(obj);
- break;
- case YAFFS_OBJECT_TYPE_SPECIAL:
-- yaffs_DoGenericObjectDeletion(obj);
-+ retVal = yaffs_DoGenericObjectDeletion(obj);
- break;
- case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ retVal = 0;
- break; /* should not happen. */
- }
-+
-+ return retVal;
- }
-
--static int yaffs_UnlinkWorker(yaffs_Object * obj)
-+static int yaffs_UnlinkWorker(yaffs_Object *obj)
- {
-
-+ int immediateDeletion = 0;
-+
-+#ifdef __KERNEL__
-+ if (!obj->myInode)
-+ immediateDeletion = 1;
-+#else
-+ if (obj->inUse <= 0)
-+ immediateDeletion = 1;
-+#endif
-+
- if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- return yaffs_DeleteHardLink(obj);
-- } else if (!list_empty(&obj->hardLinks)) {
-+ } else if (!ylist_empty(&obj->hardLinks)) {
- /* Curve ball: We're unlinking an object that has a hardlink.
- *
- * This problem arises because we are not strictly following
-@@ -5215,24 +5251,24 @@ static int yaffs_UnlinkWorker(yaffs_Obje
- int retVal;
- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
-
-- hl = list_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
-+ hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
-
-- list_del_init(&hl->hardLinks);
-- list_del_init(&hl->siblings);
-+ ylist_del_init(&hl->hardLinks);
-+ ylist_del_init(&hl->siblings);
-
- yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
-
- retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0);
-
-- if (retVal == YAFFS_OK) {
-+ if (retVal == YAFFS_OK)
- retVal = yaffs_DoGenericObjectDeletion(hl);
-- }
-+
- return retVal;
-
-- } else {
-+ } else if (immediateDeletion) {
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
-- return yaffs_UnlinkFile(obj);
-+ return yaffs_DeleteFile(obj);
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
- return yaffs_DeleteDirectory(obj);
-@@ -5248,21 +5284,22 @@ static int yaffs_UnlinkWorker(yaffs_Obje
- default:
- return YAFFS_FAIL;
- }
-- }
-+ } else
-+ return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir,
-+ _Y("unlinked"), 0, 0);
- }
-
-
--static int yaffs_UnlinkObject( yaffs_Object *obj)
-+static int yaffs_UnlinkObject(yaffs_Object *obj)
- {
-
-- if (obj && obj->unlinkAllowed) {
-+ if (obj && obj->unlinkAllowed)
- return yaffs_UnlinkWorker(obj);
-- }
-
- return YAFFS_FAIL;
-
- }
--int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name)
-+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
- {
- yaffs_Object *obj;
-
-@@ -5272,8 +5309,8 @@ int yaffs_Unlink(yaffs_Object * dir, con
-
- /*----------------------- Initialisation Scanning ---------------------- */
-
--static void yaffs_HandleShadowedObject(yaffs_Device * dev, int objId,
-- int backwardScanning)
-+static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
-+ int backwardScanning)
- {
- yaffs_Object *obj;
-
-@@ -5286,9 +5323,8 @@ static void yaffs_HandleShadowedObject(y
- /* Handle YAFFS2 case (backward scanning)
- * If the shadowed object exists then ignore.
- */
-- if (yaffs_FindObjectByNumber(dev, objId)) {
-+ if (yaffs_FindObjectByNumber(dev, objId))
- return;
-- }
- }
-
- /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
-@@ -5297,6 +5333,8 @@ static void yaffs_HandleShadowedObject(y
- obj =
- yaffs_FindOrCreateObjectByNumber(dev, objId,
- YAFFS_OBJECT_TYPE_FILE);
-+ if (!obj)
-+ return;
- yaffs_AddObjectToDirectory(dev->unlinkedDir, obj);
- obj->variant.fileVariant.shrinkSize = 0;
- obj->valid = 1; /* So that we don't read any other info for this file */
-@@ -5325,44 +5363,77 @@ static void yaffs_HardlinkFixup(yaffs_De
- if (in) {
- /* Add the hardlink pointers */
- hl->variant.hardLinkVariant.equivalentObject = in;
-- list_add(&hl->hardLinks, &in->hardLinks);
-+ ylist_add(&hl->hardLinks, &in->hardLinks);
- } else {
- /* Todo Need to report/handle this better.
- * Got a problem... hardlink to a non-existant object
- */
- hl->variant.hardLinkVariant.equivalentObject = NULL;
-- INIT_LIST_HEAD(&hl->hardLinks);
-+ YINIT_LIST_HEAD(&hl->hardLinks);
-
- }
--
- }
-+}
-+
-+
-
-+
-+
-+static int ybicmp(const void *a, const void *b)
-+{
-+ register int aseq = ((yaffs_BlockIndex *)a)->seq;
-+ register int bseq = ((yaffs_BlockIndex *)b)->seq;
-+ register int ablock = ((yaffs_BlockIndex *)a)->block;
-+ register int bblock = ((yaffs_BlockIndex *)b)->block;
-+ if (aseq == bseq)
-+ return ablock - bblock;
-+ else
-+ return aseq - bseq;
- }
-
-
-+struct yaffs_ShadowFixerStruct {
-+ int objectId;
-+ int shadowedId;
-+ struct yaffs_ShadowFixerStruct *next;
-+};
-+
-
-+static void yaffs_StripDeletedObjects(yaffs_Device *dev)
-+{
-+ /*
-+ * Sort out state of unlinked and deleted objects after scanning.
-+ */
-+ struct ylist_head *i;
-+ struct ylist_head *n;
-+ yaffs_Object *l;
-
-+ /* Soft delete all the unlinked files */
-+ ylist_for_each_safe(i, n,
-+ &dev->unlinkedDir->variant.directoryVariant.children) {
-+ if (i) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ yaffs_DeleteObject(l);
-+ }
-+ }
-
--static int ybicmp(const void *a, const void *b){
-- register int aseq = ((yaffs_BlockIndex *)a)->seq;
-- register int bseq = ((yaffs_BlockIndex *)b)->seq;
-- register int ablock = ((yaffs_BlockIndex *)a)->block;
-- register int bblock = ((yaffs_BlockIndex *)b)->block;
-- if( aseq == bseq )
-- return ablock - bblock;
-- else
-- return aseq - bseq;
-+ ylist_for_each_safe(i, n,
-+ &dev->deletedDir->variant.directoryVariant.children) {
-+ if (i) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ yaffs_DeleteObject(l);
-+ }
-+ }
-
- }
-
--static int yaffs_Scan(yaffs_Device * dev)
-+static int yaffs_Scan(yaffs_Device *dev)
- {
- yaffs_ExtendedTags tags;
- int blk;
- int blockIterator;
- int startIterator;
- int endIterator;
-- int nBlocksToScan = 0;
- int result;
-
- int chunk;
-@@ -5371,26 +5442,19 @@ static int yaffs_Scan(yaffs_Device * dev
- yaffs_BlockState state;
- yaffs_Object *hardList = NULL;
- yaffs_BlockInfo *bi;
-- int sequenceNumber;
-+ __u32 sequenceNumber;
- yaffs_ObjectHeader *oh;
- yaffs_Object *in;
- yaffs_Object *parent;
-- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
-
- int alloc_failed = 0;
-
-+ struct yaffs_ShadowFixerStruct *shadowFixerList = NULL;
-+
-
- __u8 *chunkData;
-
-- yaffs_BlockIndex *blockIndex = NULL;
-
-- if (dev->isYaffs2) {
-- T(YAFFS_TRACE_SCAN,
-- (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR)));
-- return YAFFS_FAIL;
-- }
--
-- //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format.
-
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR),
-@@ -5400,12 +5464,6 @@ static int yaffs_Scan(yaffs_Device * dev
-
- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
-
-- if (dev->isYaffs2) {
-- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
-- if(!blockIndex)
-- return YAFFS_FAIL;
-- }
--
- /* Scan all the blocks to determine their state */
- for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
- bi = yaffs_GetBlockInfo(dev, blk);
-@@ -5418,6 +5476,9 @@ static int yaffs_Scan(yaffs_Device * dev
- bi->blockState = state;
- bi->sequenceNumber = sequenceNumber;
-
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
-+
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, sequenceNumber));
-@@ -5430,70 +5491,21 @@ static int yaffs_Scan(yaffs_Device * dev
- (TSTR("Block empty " TENDSTR)));
- dev->nErasedBlocks++;
- dev->nFreeChunks += dev->nChunksPerBlock;
-- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
--
-- /* Determine the highest sequence number */
-- if (dev->isYaffs2 &&
-- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
-- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
--
-- blockIndex[nBlocksToScan].seq = sequenceNumber;
-- blockIndex[nBlocksToScan].block = blk;
--
-- nBlocksToScan++;
--
-- if (sequenceNumber >= dev->sequenceNumber) {
-- dev->sequenceNumber = sequenceNumber;
-- }
-- } else if (dev->isYaffs2) {
-- /* TODO: Nasty sequence number! */
-- T(YAFFS_TRACE_SCAN,
-- (TSTR
-- ("Block scanning block %d has bad sequence number %d"
-- TENDSTR), blk, sequenceNumber));
--
-- }
- }
- }
-
-- /* Sort the blocks
-- * Dungy old bubble sort for now...
-- */
-- if (dev->isYaffs2) {
-- yaffs_BlockIndex temp;
-- int i;
-- int j;
--
-- for (i = 0; i < nBlocksToScan; i++)
-- for (j = i + 1; j < nBlocksToScan; j++)
-- if (blockIndex[i].seq > blockIndex[j].seq) {
-- temp = blockIndex[j];
-- blockIndex[j] = blockIndex[i];
-- blockIndex[i] = temp;
-- }
-- }
--
-- /* Now scan the blocks looking at the data. */
-- if (dev->isYaffs2) {
-- startIterator = 0;
-- endIterator = nBlocksToScan - 1;
-- T(YAFFS_TRACE_SCAN_DEBUG,
-- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan));
-- } else {
-- startIterator = dev->internalStartBlock;
-- endIterator = dev->internalEndBlock;
-- }
-+ startIterator = dev->internalStartBlock;
-+ endIterator = dev->internalEndBlock;
-
- /* For each block.... */
- for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator;
- blockIterator++) {
-
-- if (dev->isYaffs2) {
-- /* get the block to scan in the correct order */
-- blk = blockIndex[blockIterator].block;
-- } else {
-- blk = blockIterator;
-- }
-+ YYIELD();
-+
-+ YYIELD();
-+
-+ blk = blockIterator;
-
- bi = yaffs_GetBlockInfo(dev, blk);
- state = bi->blockState;
-@@ -5511,7 +5523,7 @@ static int yaffs_Scan(yaffs_Device * dev
-
- /* Let's have a good look at this chunk... */
-
-- if (!dev->isYaffs2 && tags.chunkDeleted) {
-+ if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) {
- /* YAFFS1 only...
- * A deleted chunk
- */
-@@ -5540,18 +5552,6 @@ static int yaffs_Scan(yaffs_Device * dev
- dev->allocationBlockFinder = blk;
- /* Set it to here to encourage the allocator to go forth from here. */
-
-- /* Yaffs2 sanity check:
-- * This should be the one with the highest sequence number
-- */
-- if (dev->isYaffs2
-- && (dev->sequenceNumber !=
-- bi->sequenceNumber)) {
-- T(YAFFS_TRACE_ALWAYS,
-- (TSTR
-- ("yaffs: Allocation block %d was not highest sequence id:"
-- " block seq = %d, dev seq = %d"
-- TENDSTR), blk,bi->sequenceNumber,dev->sequenceNumber));
-- }
- }
-
- dev->nFreeChunks += (dev->nChunksPerBlock - c);
-@@ -5570,11 +5570,11 @@ static int yaffs_Scan(yaffs_Device * dev
- * the same chunkId).
- */
-
-- if(!in)
-+ if (!in)
- alloc_failed = 1;
-
-- if(in){
-- if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1))
-+ if (in) {
-+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1))
- alloc_failed = 1;
- }
-
-@@ -5617,7 +5617,7 @@ static int yaffs_Scan(yaffs_Device * dev
- * deleted, and worse still it has changed type. Delete the old object.
- */
-
-- yaffs_DestroyObject(in);
-+ yaffs_DeleteObject(in);
-
- in = 0;
- }
-@@ -5627,14 +5627,20 @@ static int yaffs_Scan(yaffs_Device * dev
- objectId,
- oh->type);
-
-- if(!in)
-+ if (!in)
- alloc_failed = 1;
-
- if (in && oh->shadowsObject > 0) {
-- yaffs_HandleShadowedObject(dev,
-- oh->
-- shadowsObject,
-- 0);
-+
-+ struct yaffs_ShadowFixerStruct *fixer;
-+ fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct));
-+ if (fixer) {
-+ fixer->next = shadowFixerList;
-+ shadowFixerList = fixer;
-+ fixer->objectId = tags.objectId;
-+ fixer->shadowedId = oh->shadowsObject;
-+ }
-+
- }
-
- if (in && in->valid) {
-@@ -5643,12 +5649,10 @@ static int yaffs_Scan(yaffs_Device * dev
- unsigned existingSerial = in->serial;
- unsigned newSerial = tags.serialNumber;
-
-- if (dev->isYaffs2 ||
-- ((existingSerial + 1) & 3) ==
-- newSerial) {
-+ if (((existingSerial + 1) & 3) == newSerial) {
- /* Use new one - destroy the exisiting one */
- yaffs_DeleteChunk(dev,
-- in->chunkId,
-+ in->hdrChunk,
- 1, __LINE__);
- in->valid = 0;
- } else {
-@@ -5681,7 +5685,8 @@ static int yaffs_Scan(yaffs_Device * dev
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
- #endif
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-+ in->serial = tags.serialNumber;
-
- } else if (in && !in->valid) {
- /* we need to load this info */
-@@ -5705,7 +5710,8 @@ static int yaffs_Scan(yaffs_Device * dev
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
- #endif
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-+ in->serial = tags.serialNumber;
-
- yaffs_SetObjectName(in, oh->name);
- in->dirty = 0;
-@@ -5718,25 +5724,25 @@ static int yaffs_Scan(yaffs_Device * dev
- yaffs_FindOrCreateObjectByNumber
- (dev, oh->parentObjectId,
- YAFFS_OBJECT_TYPE_DIRECTORY);
-- if (parent->variantType ==
-+ if (!parent)
-+ alloc_failed = 1;
-+ if (parent && parent->variantType ==
- YAFFS_OBJECT_TYPE_UNKNOWN) {
- /* Set up as a directory */
- parent->variantType =
-- YAFFS_OBJECT_TYPE_DIRECTORY;
-- INIT_LIST_HEAD(&parent->variant.
-- directoryVariant.
-- children);
-- } else if (parent->variantType !=
-- YAFFS_OBJECT_TYPE_DIRECTORY)
-- {
-+ YAFFS_OBJECT_TYPE_DIRECTORY;
-+ YINIT_LIST_HEAD(&parent->variant.
-+ directoryVariant.
-+ children);
-+ } else if (!parent || parent->variantType !=
-+ YAFFS_OBJECT_TYPE_DIRECTORY) {
- /* Hoosterman, another problem....
- * We're trying to use a non-directory as a directory
- */
-
- T(YAFFS_TRACE_ERROR,
- (TSTR
-- ("yaffs tragedy: attempting to use non-directory as"
-- " a directory in scan. Put in lost+found."
-+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
- parent = dev->lostNFoundDir;
- }
-@@ -5760,15 +5766,6 @@ static int yaffs_Scan(yaffs_Device * dev
- /* Todo got a problem */
- break;
- case YAFFS_OBJECT_TYPE_FILE:
-- if (dev->isYaffs2
-- && oh->isShrink) {
-- /* Prune back the shrunken chunks */
-- yaffs_PruneResizedChunks
-- (in, oh->fileSize);
-- /* Mark the block as having a shrinkHeader */
-- bi->hasShrinkHeader = 1;
-- }
--
- if (dev->useHeaderFileSize)
-
- in->variant.fileVariant.
-@@ -5778,11 +5775,11 @@ static int yaffs_Scan(yaffs_Device * dev
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
- in->variant.hardLinkVariant.
-- equivalentObjectId =
-- oh->equivalentObjectId;
-+ equivalentObjectId =
-+ oh->equivalentObjectId;
- in->hardLinks.next =
-- (struct list_head *)
-- hardList;
-+ (struct ylist_head *)
-+ hardList;
- hardList = in;
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-@@ -5794,15 +5791,17 @@ static int yaffs_Scan(yaffs_Device * dev
- case YAFFS_OBJECT_TYPE_SYMLINK:
- in->variant.symLinkVariant.alias =
- yaffs_CloneString(oh->alias);
-- if(!in->variant.symLinkVariant.alias)
-+ if (!in->variant.symLinkVariant.alias)
- alloc_failed = 1;
- break;
- }
-
-+/*
- if (parent == dev->deletedDir) {
- yaffs_DestroyObject(in);
- bi->hasShrinkHeader = 1;
- }
-+*/
- }
- }
- }
-@@ -5823,10 +5822,6 @@ static int yaffs_Scan(yaffs_Device * dev
-
- }
-
-- if (blockIndex) {
-- YFREE(blockIndex);
-- }
--
-
- /* Ok, we've done all the scanning.
- * Fix up the hard link chains.
-@@ -5834,32 +5829,36 @@ static int yaffs_Scan(yaffs_Device * dev
- * hardlinks.
- */
-
-- yaffs_HardlinkFixup(dev,hardList);
-+ yaffs_HardlinkFixup(dev, hardList);
-
-- /* Handle the unlinked files. Since they were left in an unlinked state we should
-- * just delete them.
-- */
-+ /* Fix up any shadowed objects */
- {
-- struct list_head *i;
-- struct list_head *n;
-+ struct yaffs_ShadowFixerStruct *fixer;
-+ yaffs_Object *obj;
-
-- yaffs_Object *l;
-- /* Soft delete all the unlinked files */
-- list_for_each_safe(i, n,
-- &dev->unlinkedDir->variant.directoryVariant.
-- children) {
-- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- yaffs_DestroyObject(l);
-- }
-+ while (shadowFixerList) {
-+ fixer = shadowFixerList;
-+ shadowFixerList = fixer->next;
-+ /* Complete the rename transaction by deleting the shadowed object
-+ * then setting the object header to unshadowed.
-+ */
-+ obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId);
-+ if (obj)
-+ yaffs_DeleteObject(obj);
-+
-+ obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
-+
-+ if (obj)
-+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
-+
-+ YFREE(fixer);
- }
- }
-
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-
-- if(alloc_failed){
-+ if (alloc_failed)
- return YAFFS_FAIL;
-- }
-
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR)));
-
-@@ -5871,25 +5870,27 @@ static void yaffs_CheckObjectDetailsLoad
- {
- __u8 *chunkData;
- yaffs_ObjectHeader *oh;
-- yaffs_Device *dev = in->myDev;
-+ yaffs_Device *dev;
- yaffs_ExtendedTags tags;
- int result;
- int alloc_failed = 0;
-
-- if(!in)
-+ if (!in)
- return;
-
-+ dev = in->myDev;
-+
- #if 0
-- T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR),
-+ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR),
- in->objectId,
- in->lazyLoaded ? "not yet" : "already"));
- #endif
-
-- if(in->lazyLoaded){
-+ if (in->lazyLoaded && in->hdrChunk > 0) {
- in->lazyLoaded = 0;
- chunkData = yaffs_GetTempBuffer(dev, __LINE__);
-
-- result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags);
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags);
- oh = (yaffs_ObjectHeader *) chunkData;
-
- in->yst_mode = oh->yst_mode;
-@@ -5911,18 +5912,18 @@ static void yaffs_CheckObjectDetailsLoad
- #endif
- yaffs_SetObjectName(in, oh->name);
-
-- if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){
-- in->variant.symLinkVariant.alias =
-+ if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ in->variant.symLinkVariant.alias =
- yaffs_CloneString(oh->alias);
-- if(!in->variant.symLinkVariant.alias)
-+ if (!in->variant.symLinkVariant.alias)
- alloc_failed = 1; /* Not returned to caller */
- }
-
-- yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__);
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
- }
- }
-
--static int yaffs_ScanBackwards(yaffs_Device * dev)
-+static int yaffs_ScanBackwards(yaffs_Device *dev)
- {
- yaffs_ExtendedTags tags;
- int blk;
-@@ -5938,7 +5939,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- yaffs_BlockState state;
- yaffs_Object *hardList = NULL;
- yaffs_BlockInfo *bi;
-- int sequenceNumber;
-+ __u32 sequenceNumber;
- yaffs_ObjectHeader *oh;
- yaffs_Object *in;
- yaffs_Object *parent;
-@@ -5972,12 +5973,12 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
-
-- if(!blockIndex) {
-+ if (!blockIndex) {
- blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex));
- altBlockIndex = 1;
- }
-
-- if(!blockIndex) {
-+ if (!blockIndex) {
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR)));
- return YAFFS_FAIL;
-@@ -5999,15 +6000,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
- bi->blockState = state;
- bi->sequenceNumber = sequenceNumber;
-
-- if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
- bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT;
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
-
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, sequenceNumber));
-
-
-- if(state == YAFFS_BLOCK_STATE_CHECKPOINT){
-+ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
- dev->blocksInCheckpoint++;
-
- } else if (state == YAFFS_BLOCK_STATE_DEAD) {
-@@ -6021,8 +6024,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
-
- /* Determine the highest sequence number */
-- if (dev->isYaffs2 &&
-- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
-+ if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
-
- blockIndex[nBlocksToScan].seq = sequenceNumber;
-@@ -6030,10 +6032,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- nBlocksToScan++;
-
-- if (sequenceNumber >= dev->sequenceNumber) {
-+ if (sequenceNumber >= dev->sequenceNumber)
- dev->sequenceNumber = sequenceNumber;
-- }
-- } else if (dev->isYaffs2) {
-+ } else {
- /* TODO: Nasty sequence number! */
- T(YAFFS_TRACE_SCAN,
- (TSTR
-@@ -6053,11 +6054,13 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- /* Sort the blocks */
- #ifndef CONFIG_YAFFS_USE_OWN_SORT
-- yaffs_qsort(blockIndex, nBlocksToScan,
-- sizeof(yaffs_BlockIndex), ybicmp);
-+ {
-+ /* Use qsort now. */
-+ yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), ybicmp);
-+ }
- #else
- {
-- /* Dungy old bubble sort... */
-+ /* Dungy old bubble sort... */
-
- yaffs_BlockIndex temp;
- int i;
-@@ -6075,7 +6078,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- YYIELD();
-
-- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
-+ T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
-
- /* Now scan the blocks looking at the data. */
- startIterator = 0;
-@@ -6085,10 +6088,10 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- /* For each block.... backwards */
- for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator;
-- blockIterator--) {
-- /* Cooperative multitasking! This loop can run for so
-+ blockIterator--) {
-+ /* Cooperative multitasking! This loop can run for so
- long that watchdog timers expire. */
-- YYIELD();
-+ YYIELD();
-
- /* get the block to scan in the correct order */
- blk = blockIndex[blockIterator].block;
-@@ -6127,10 +6130,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- * this is the one being allocated from
- */
-
-- if(foundChunksInBlock)
-- {
-+ if (foundChunksInBlock) {
- /* This is a chunk that was skipped due to failing the erased check */
--
- } else if (c == 0) {
- /* We're looking at the first chunk in the block so the block is unused */
- state = YAFFS_BLOCK_STATE_EMPTY;
-@@ -6138,7 +6139,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- } else {
- if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
- state == YAFFS_BLOCK_STATE_ALLOCATING) {
-- if(dev->sequenceNumber == bi->sequenceNumber) {
-+ if (dev->sequenceNumber == bi->sequenceNumber) {
- /* this is the block being allocated from */
-
- T(YAFFS_TRACE_SCAN,
-@@ -6150,27 +6151,31 @@ static int yaffs_ScanBackwards(yaffs_Dev
- dev->allocationBlock = blk;
- dev->allocationPage = c;
- dev->allocationBlockFinder = blk;
-- }
-- else {
-+ } else {
- /* This is a partially written block that is not
- * the current allocation block. This block must have
- * had a write failure, so set up for retirement.
- */
-
-- bi->needsRetiring = 1;
-+ /* bi->needsRetiring = 1; ??? TODO */
- bi->gcPrioritise = 1;
-
- T(YAFFS_TRACE_ALWAYS,
-- (TSTR("Partially written block %d being set for retirement" TENDSTR),
-+ (TSTR("Partially written block %d detected" TENDSTR),
- blk));
- }
--
- }
--
- }
-
- dev->nFreeChunks++;
-
-+ } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) {
-+ T(YAFFS_TRACE_SCAN,
-+ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR),
-+ blk, c));
-+
-+ dev->nFreeChunks++;
-+
- } else if (tags.chunkId > 0) {
- /* chunkId > 0 so it is a data chunk... */
- unsigned int endpos;
-@@ -6187,7 +6192,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- tags.
- objectId,
- YAFFS_OBJECT_TYPE_FILE);
-- if(!in){
-+ if (!in) {
- /* Out of memory */
- alloc_failed = 1;
- }
-@@ -6197,8 +6202,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- && chunkBase <
- in->variant.fileVariant.shrinkSize) {
- /* This has not been invalidated by a resize */
-- if(!yaffs_PutChunkIntoFile(in, tags.chunkId,
-- chunk, -1)){
-+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId,
-+ chunk, -1)) {
- alloc_failed = 1;
- }
-
-@@ -6221,7 +6226,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- scannedFileSize;
- }
-
-- } else if(in) {
-+ } else if (in) {
- /* This chunk has been invalidated by a resize, so delete */
- yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
-
-@@ -6242,6 +6247,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- in = yaffs_FindOrCreateObjectByNumber
- (dev, tags.objectId,
- tags.extraObjectType);
-+ if (!in)
-+ alloc_failed = 1;
- }
-
- if (!in ||
-@@ -6251,8 +6258,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- tags.extraShadows ||
- (!in->valid &&
- (tags.objectId == YAFFS_OBJECTID_ROOT ||
-- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))
-- ) {
-+ tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))) {
-
- /* If we don't have valid info then we need to read the chunk
- * TODO In future we can probably defer reading the chunk and
-@@ -6266,8 +6272,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- oh = (yaffs_ObjectHeader *) chunkData;
-
-- if (!in)
-+ if (dev->inbandTags) {
-+ /* Fix up the header if they got corrupted by inband tags */
-+ oh->shadowsObject = oh->inbandShadowsObject;
-+ oh->isShrink = oh->inbandIsShrink;
-+ }
-+
-+ if (!in) {
- in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type);
-+ if (!in)
-+ alloc_failed = 1;
-+ }
-
- }
-
-@@ -6275,10 +6290,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
- /* TODO Hoosterman we have a problem! */
- T(YAFFS_TRACE_ERROR,
- (TSTR
-- ("yaffs tragedy: Could not make object for object %d "
-- "at chunk %d during scan"
-+ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan"
- TENDSTR), tags.objectId, chunk));
--
-+ continue;
- }
-
- if (in->valid) {
-@@ -6289,10 +6303,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) &&
- ((oh &&
-- oh-> type == YAFFS_OBJECT_TYPE_FILE)||
-+ oh->type == YAFFS_OBJECT_TYPE_FILE) ||
- (tags.extraHeaderInfoAvailable &&
-- tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))
-- ) {
-+ tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) {
- __u32 thisSize =
- (oh) ? oh->fileSize : tags.
- extraFileLength;
-@@ -6300,7 +6313,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
- (oh) ? oh->
- parentObjectId : tags.
- extraParentObjectId;
-- unsigned isShrink =
-+
-+
-+ isShrink =
- (oh) ? oh->isShrink : tags.
- extraIsShrinkHeader;
-
-@@ -6323,9 +6338,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
- thisSize;
- }
-
-- if (isShrink) {
-+ if (isShrink)
- bi->hasShrinkHeader = 1;
-- }
-
- }
- /* Use existing - destroy this one. */
-@@ -6333,6 +6347,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- }
-
-+ if (!in->valid && in->variantType !=
-+ (oh ? oh->type : tags.extraObjectType))
-+ T(YAFFS_TRACE_ERROR, (
-+ TSTR("yaffs tragedy: Bad object type, "
-+ TCONT("%d != %d, for object %d at chunk ")
-+ TCONT("%d during scan")
-+ TENDSTR), oh ?
-+ oh->type : tags.extraObjectType,
-+ in->variantType, tags.objectId,
-+ chunk));
-+
- if (!in->valid &&
- (tags.objectId == YAFFS_OBJECTID_ROOT ||
- tags.objectId ==
-@@ -6340,7 +6365,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
- /* We only load some info, don't fiddle with directory structure */
- in->valid = 1;
-
-- if(oh) {
-+ if (oh) {
- in->variantType = oh->type;
-
- in->yst_mode = oh->yst_mode;
-@@ -6365,15 +6390,15 @@ static int yaffs_ScanBackwards(yaffs_Dev
- in->lazyLoaded = 1;
- }
-
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-
- } else if (!in->valid) {
- /* we need to load this info */
-
- in->valid = 1;
-- in->chunkId = chunk;
-+ in->hdrChunk = chunk;
-
-- if(oh) {
-+ if (oh) {
- in->variantType = oh->type;
-
- in->yst_mode = oh->yst_mode;
-@@ -6403,20 +6428,19 @@ static int yaffs_ScanBackwards(yaffs_Dev
- yaffs_SetObjectName(in, oh->name);
- parent =
- yaffs_FindOrCreateObjectByNumber
-- (dev, oh->parentObjectId,
-- YAFFS_OBJECT_TYPE_DIRECTORY);
-+ (dev, oh->parentObjectId,
-+ YAFFS_OBJECT_TYPE_DIRECTORY);
-
- fileSize = oh->fileSize;
-- isShrink = oh->isShrink;
-+ isShrink = oh->isShrink;
- equivalentObjectId = oh->equivalentObjectId;
-
-- }
-- else {
-+ } else {
- in->variantType = tags.extraObjectType;
- parent =
- yaffs_FindOrCreateObjectByNumber
-- (dev, tags.extraParentObjectId,
-- YAFFS_OBJECT_TYPE_DIRECTORY);
-+ (dev, tags.extraParentObjectId,
-+ YAFFS_OBJECT_TYPE_DIRECTORY);
- fileSize = tags.extraFileLength;
- isShrink = tags.extraIsShrinkHeader;
- equivalentObjectId = tags.extraEquivalentObjectId;
-@@ -6425,29 +6449,30 @@ static int yaffs_ScanBackwards(yaffs_Dev
- }
- in->dirty = 0;
-
-+ if (!parent)
-+ alloc_failed = 1;
-+
- /* directory stuff...
- * hook up to parent
- */
-
-- if (parent->variantType ==
-+ if (parent && parent->variantType ==
- YAFFS_OBJECT_TYPE_UNKNOWN) {
- /* Set up as a directory */
- parent->variantType =
-- YAFFS_OBJECT_TYPE_DIRECTORY;
-- INIT_LIST_HEAD(&parent->variant.
-- directoryVariant.
-- children);
-- } else if (parent->variantType !=
-- YAFFS_OBJECT_TYPE_DIRECTORY)
-- {
-+ YAFFS_OBJECT_TYPE_DIRECTORY;
-+ YINIT_LIST_HEAD(&parent->variant.
-+ directoryVariant.
-+ children);
-+ } else if (!parent || parent->variantType !=
-+ YAFFS_OBJECT_TYPE_DIRECTORY) {
- /* Hoosterman, another problem....
- * We're trying to use a non-directory as a directory
- */
-
- T(YAFFS_TRACE_ERROR,
- (TSTR
-- ("yaffs tragedy: attempting to use non-directory as"
-- " a directory in scan. Put in lost+found."
-+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
- parent = dev->lostNFoundDir;
- }
-@@ -6494,12 +6519,12 @@ static int yaffs_ScanBackwards(yaffs_Dev
-
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
-- if(!itsUnlinked) {
-- in->variant.hardLinkVariant.equivalentObjectId =
-- equivalentObjectId;
-- in->hardLinks.next =
-- (struct list_head *) hardList;
-- hardList = in;
-+ if (!itsUnlinked) {
-+ in->variant.hardLinkVariant.equivalentObjectId =
-+ equivalentObjectId;
-+ in->hardLinks.next =
-+ (struct ylist_head *) hardList;
-+ hardList = in;
- }
- break;
- case YAFFS_OBJECT_TYPE_DIRECTORY:
-@@ -6509,12 +6534,11 @@ static int yaffs_ScanBackwards(yaffs_Dev
- /* Do nothing */
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
-- if(oh){
-- in->variant.symLinkVariant.alias =
-- yaffs_CloneString(oh->
-- alias);
-- if(!in->variant.symLinkVariant.alias)
-- alloc_failed = 1;
-+ if (oh) {
-+ in->variant.symLinkVariant.alias =
-+ yaffs_CloneString(oh->alias);
-+ if (!in->variant.symLinkVariant.alias)
-+ alloc_failed = 1;
- }
- break;
- }
-@@ -6551,75 +6575,129 @@ static int yaffs_ScanBackwards(yaffs_Dev
- * We should now have scanned all the objects, now it's time to add these
- * hardlinks.
- */
-- yaffs_HardlinkFixup(dev,hardList);
-+ yaffs_HardlinkFixup(dev, hardList);
-
-
-- /*
-- * Sort out state of unlinked and deleted objects.
-- */
-- {
-- struct list_head *i;
-- struct list_head *n;
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-
-- yaffs_Object *l;
-+ if (alloc_failed)
-+ return YAFFS_FAIL;
-
-- /* Soft delete all the unlinked files */
-- list_for_each_safe(i, n,
-- &dev->unlinkedDir->variant.directoryVariant.
-- children) {
-- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- yaffs_DestroyObject(l);
-- }
-- }
-+ T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
-
-- /* Soft delete all the deletedDir files */
-- list_for_each_safe(i, n,
-- &dev->deletedDir->variant.directoryVariant.
-- children) {
-- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- yaffs_DestroyObject(l);
-+ return YAFFS_OK;
-+}
-
-- }
-+/*------------------------------ Directory Functions ----------------------------- */
-+
-+static void yaffs_VerifyObjectInDirectory(yaffs_Object *obj)
-+{
-+ struct ylist_head *lh;
-+ yaffs_Object *listObj;
-+
-+ int count = 0;
-+
-+ if (!obj) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR)));
-+ YBUG();
-+ return;
-+ }
-+
-+ if (yaffs_SkipVerification(obj->myDev))
-+ return;
-+
-+ if (!obj->parent) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR)));
-+ YBUG();
-+ return;
-+ }
-+
-+ if (obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR)));
-+ YBUG();
-+ }
-+
-+ /* Iterate through the objects in each hash entry */
-+
-+ ylist_for_each(lh, &obj->parent->variant.directoryVariant.children) {
-+ if (lh) {
-+ listObj = ylist_entry(lh, yaffs_Object, siblings);
-+ yaffs_VerifyObject(listObj);
-+ if (obj == listObj)
-+ count++;
- }
-+ }
-+
-+ if (count != 1) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count));
-+ YBUG();
- }
-+}
-
-- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-+static void yaffs_VerifyDirectory(yaffs_Object *directory)
-+{
-+ struct ylist_head *lh;
-+ yaffs_Object *listObj;
-
-- if(alloc_failed){
-- return YAFFS_FAIL;
-+ if (!directory) {
-+ YBUG();
-+ return;
- }
-
-- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
-+ if (yaffs_SkipFullVerification(directory->myDev))
-+ return;
-
-- return YAFFS_OK;
-+ if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType));
-+ YBUG();
-+ }
-+
-+ /* Iterate through the objects in each hash entry */
-+
-+ ylist_for_each(lh, &directory->variant.directoryVariant.children) {
-+ if (lh) {
-+ listObj = ylist_entry(lh, yaffs_Object, siblings);
-+ if (listObj->parent != directory) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent));
-+ YBUG();
-+ }
-+ yaffs_VerifyObjectInDirectory(listObj);
-+ }
-+ }
- }
-
--/*------------------------------ Directory Functions ----------------------------- */
-
--static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj)
-+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj)
- {
- yaffs_Device *dev = obj->myDev;
-+ yaffs_Object *parent;
-+
-+ yaffs_VerifyObjectInDirectory(obj);
-+ parent = obj->parent;
-+
-+ yaffs_VerifyDirectory(parent);
-
-- if(dev && dev->removeObjectCallback)
-+ if (dev && dev->removeObjectCallback)
- dev->removeObjectCallback(obj);
-
-- list_del_init(&obj->siblings);
-+
-+ ylist_del_init(&obj->siblings);
- obj->parent = NULL;
-+
-+ yaffs_VerifyDirectory(parent);
- }
-
-
--static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
-- yaffs_Object * obj)
-+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
-+ yaffs_Object *obj)
- {
--
- if (!directory) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: Trying to add an object to a null pointer directory"
- TENDSTR)));
- YBUG();
-+ return;
- }
- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
-@@ -6631,37 +6709,42 @@ static void yaffs_AddObjectToDirectory(y
-
- if (obj->siblings.prev == NULL) {
- /* Not initialised */
-- INIT_LIST_HEAD(&obj->siblings);
--
-- } else if (!list_empty(&obj->siblings)) {
-- /* If it is holed up somewhere else, un hook it */
-- yaffs_RemoveObjectFromDirectory(obj);
-+ YBUG();
- }
-+
-+
-+ yaffs_VerifyDirectory(directory);
-+
-+ yaffs_RemoveObjectFromDirectory(obj);
-+
-+
- /* Now add it */
-- list_add(&obj->siblings, &directory->variant.directoryVariant.children);
-+ ylist_add(&obj->siblings, &directory->variant.directoryVariant.children);
- obj->parent = directory;
-
- if (directory == obj->myDev->unlinkedDir
-- || directory == obj->myDev->deletedDir) {
-+ || directory == obj->myDev->deletedDir) {
- obj->unlinked = 1;
- obj->myDev->nUnlinkedFiles++;
- obj->renameAllowed = 0;
- }
-+
-+ yaffs_VerifyDirectory(directory);
-+ yaffs_VerifyObjectInDirectory(obj);
- }
-
--yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory,
-- const YCHAR * name)
-+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory,
-+ const YCHAR *name)
- {
- int sum;
-
-- struct list_head *i;
-+ struct ylist_head *i;
- YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1];
-
- yaffs_Object *l;
-
-- if (!name) {
-+ if (!name)
- return NULL;
-- }
-
- if (!directory) {
- T(YAFFS_TRACE_ALWAYS,
-@@ -6669,6 +6752,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf
- ("tragedy: yaffs_FindObjectByName: null pointer directory"
- TENDSTR)));
- YBUG();
-+ return NULL;
- }
- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
-@@ -6679,28 +6763,27 @@ yaffs_Object *yaffs_FindObjectByName(yaf
-
- sum = yaffs_CalcNameSum(name);
-
-- list_for_each(i, &directory->variant.directoryVariant.children) {
-+ ylist_for_each(i, &directory->variant.directoryVariant.children) {
- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+
-+ if (l->parent != directory)
-+ YBUG();
-
- yaffs_CheckObjectDetailsLoaded(l);
-
- /* Special case for lost-n-found */
- if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
-- if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) {
-+ if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0)
- return l;
-- }
-- } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0)
-- {
-- /* LostnFound cunk called Objxxx
-+ } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) {
-+ /* LostnFound chunk called Objxxx
- * Do a real check
- */
- yaffs_GetObjectName(l, buffer,
- YAFFS_MAX_NAME_LENGTH);
-- if (yaffs_strncmp(name, buffer,YAFFS_MAX_NAME_LENGTH) == 0) {
-+ if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
- return l;
-- }
--
- }
- }
- }
-@@ -6710,10 +6793,10 @@ yaffs_Object *yaffs_FindObjectByName(yaf
-
-
- #if 0
--int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
-- int (*fn) (yaffs_Object *))
-+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
-+ int (*fn) (yaffs_Object *))
- {
-- struct list_head *i;
-+ struct ylist_head *i;
- yaffs_Object *l;
-
- if (!theDir) {
-@@ -6722,20 +6805,21 @@ int yaffs_ApplyToDirectoryChildren(yaffs
- ("tragedy: yaffs_FindObjectByName: null pointer directory"
- TENDSTR)));
- YBUG();
-+ return YAFFS_FAIL;
- }
- if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
- ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR)));
- YBUG();
-+ return YAFFS_FAIL;
- }
-
-- list_for_each(i, &theDir->variant.directoryVariant.children) {
-+ ylist_for_each(i, &theDir->variant.directoryVariant.children) {
- if (i) {
-- l = list_entry(i, yaffs_Object, siblings);
-- if (l && !fn(l)) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ if (l && !fn(l))
- return YAFFS_FAIL;
-- }
- }
- }
-
-@@ -6748,7 +6832,7 @@ int yaffs_ApplyToDirectoryChildren(yaffs
- * actual object.
- */
-
--yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj)
-+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj)
- {
- if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- /* We want the object id of the equivalent object, not this one */
-@@ -6756,10 +6840,9 @@ yaffs_Object *yaffs_GetEquivalentObject(
- yaffs_CheckObjectDetailsLoaded(obj);
- }
- return obj;
--
- }
-
--int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize)
-+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize)
- {
- memset(name, 0, buffSize * sizeof(YCHAR));
-
-@@ -6767,18 +6850,26 @@ int yaffs_GetObjectName(yaffs_Object * o
-
- if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
- yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1);
-- } else if (obj->chunkId <= 0) {
-+ } else if (obj->hdrChunk <= 0) {
- YCHAR locName[20];
-+ YCHAR numString[20];
-+ YCHAR *x = &numString[19];
-+ unsigned v = obj->objectId;
-+ numString[19] = 0;
-+ while (v > 0) {
-+ x--;
-+ *x = '0' + (v % 10);
-+ v /= 10;
-+ }
- /* make up a name */
-- yaffs_sprintf(locName, _Y("%s%d"), YAFFS_LOSTNFOUND_PREFIX,
-- obj->objectId);
-+ yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX);
-+ yaffs_strcat(locName, x);
- yaffs_strncpy(name, locName, buffSize - 1);
-
- }
- #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-- else if (obj->shortName[0]) {
-+ else if (obj->shortName[0])
- yaffs_strcpy(name, obj->shortName);
-- }
- #endif
- else {
- int result;
-@@ -6788,9 +6879,9 @@ int yaffs_GetObjectName(yaffs_Object * o
-
- memset(buffer, 0, obj->myDev->nDataBytesPerChunk);
-
-- if (obj->chunkId >= 0) {
-+ if (obj->hdrChunk > 0) {
- result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev,
-- obj->chunkId, buffer,
-+ obj->hdrChunk, buffer,
- NULL);
- }
- yaffs_strncpy(name, oh->name, buffSize - 1);
-@@ -6801,46 +6892,43 @@ int yaffs_GetObjectName(yaffs_Object * o
- return yaffs_strlen(name);
- }
-
--int yaffs_GetObjectFileLength(yaffs_Object * obj)
-+int yaffs_GetObjectFileLength(yaffs_Object *obj)
- {
--
- /* Dereference any hard linking */
- obj = yaffs_GetEquivalentObject(obj);
-
-- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- return obj->variant.fileVariant.fileSize;
-- }
-- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
- return yaffs_strlen(obj->variant.symLinkVariant.alias);
-- } else {
-+ else {
- /* Only a directory should drop through to here */
- return obj->myDev->nDataBytesPerChunk;
- }
- }
-
--int yaffs_GetObjectLinkCount(yaffs_Object * obj)
-+int yaffs_GetObjectLinkCount(yaffs_Object *obj)
- {
- int count = 0;
-- struct list_head *i;
-+ struct ylist_head *i;
-
-- if (!obj->unlinked) {
-- count++; /* the object itself */
-- }
-- list_for_each(i, &obj->hardLinks) {
-- count++; /* add the hard links; */
-- }
-- return count;
-+ if (!obj->unlinked)
-+ count++; /* the object itself */
-+
-+ ylist_for_each(i, &obj->hardLinks)
-+ count++; /* add the hard links; */
-
-+ return count;
- }
-
--int yaffs_GetObjectInode(yaffs_Object * obj)
-+int yaffs_GetObjectInode(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-
- return obj->objectId;
- }
-
--unsigned yaffs_GetObjectType(yaffs_Object * obj)
-+unsigned yaffs_GetObjectType(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-
-@@ -6872,19 +6960,18 @@ unsigned yaffs_GetObjectType(yaffs_Objec
- }
- }
-
--YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj)
-+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj)
- {
- obj = yaffs_GetEquivalentObject(obj);
-- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
- return yaffs_CloneString(obj->variant.symLinkVariant.alias);
-- } else {
-+ else
- return yaffs_CloneString(_Y(""));
-- }
- }
-
- #ifndef CONFIG_YAFFS_WINCE
-
--int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr)
-+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr)
- {
- unsigned int valid = attr->ia_valid;
-
-@@ -6910,7 +6997,7 @@ int yaffs_SetAttributes(yaffs_Object * o
- return YAFFS_OK;
-
- }
--int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr)
-+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr)
- {
- unsigned int valid = 0;
-
-@@ -6934,13 +7021,12 @@ int yaffs_GetAttributes(yaffs_Object * o
- attr->ia_valid = valid;
-
- return YAFFS_OK;
--
- }
-
- #endif
-
- #if 0
--int yaffs_DumpObject(yaffs_Object * obj)
-+int yaffs_DumpObject(yaffs_Object *obj)
- {
- YCHAR name[257];
-
-@@ -6951,7 +7037,7 @@ int yaffs_DumpObject(yaffs_Object * obj)
- ("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d"
- " chunk %d type %d size %d\n"
- TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name,
-- obj->dirty, obj->valid, obj->serial, obj->sum, obj->chunkId,
-+ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk,
- yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj)));
-
- return YAFFS_OK;
-@@ -6960,7 +7046,7 @@ int yaffs_DumpObject(yaffs_Object * obj)
-
- /*---------------------------- Initialisation code -------------------------------------- */
-
--static int yaffs_CheckDevFunctions(const yaffs_Device * dev)
-+static int yaffs_CheckDevFunctions(const yaffs_Device *dev)
- {
-
- /* Common functions, gotta have */
-@@ -7011,7 +7097,7 @@ static int yaffs_CreateInitialDirectorie
- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND,
- YAFFS_LOSTNFOUND_MODE | S_IFDIR);
-
-- if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){
-+ if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) {
- yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir);
- return YAFFS_OK;
- }
-@@ -7019,7 +7105,7 @@ static int yaffs_CreateInitialDirectorie
- return YAFFS_FAIL;
- }
-
--int yaffs_GutsInitialise(yaffs_Device * dev)
-+int yaffs_GutsInitialise(yaffs_Device *dev)
- {
- int init_failed = 0;
- unsigned x;
-@@ -7040,6 +7126,8 @@ int yaffs_GutsInitialise(yaffs_Device *
- dev->chunkOffset = 0;
- dev->nFreeChunks = 0;
-
-+ dev->gcBlock = -1;
-+
- if (dev->startBlock == 0) {
- dev->internalStartBlock = dev->startBlock + 1;
- dev->internalEndBlock = dev->endBlock + 1;
-@@ -7049,18 +7137,18 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- /* Check geometry parameters. */
-
-- if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) ||
-- (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) ||
-+ if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) ||
-+ (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) ||
-+ (dev->inbandTags && !dev->isYaffs2) ||
- dev->nChunksPerBlock < 2 ||
- dev->nReservedBlocks < 2 ||
- dev->internalStartBlock <= 0 ||
- dev->internalEndBlock <= 0 ||
-- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small
-- ) {
-+ dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */
- T(YAFFS_TRACE_ALWAYS,
- (TSTR
-- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s "
-- TENDSTR), dev->nDataBytesPerChunk, dev->isYaffs2 ? "2" : ""));
-+ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d "
-+ TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags));
- return YAFFS_FAIL;
- }
-
-@@ -7070,6 +7158,12 @@ int yaffs_GutsInitialise(yaffs_Device *
- return YAFFS_FAIL;
- }
-
-+ /* Sort out space for inband tags, if required */
-+ if (dev->inbandTags)
-+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart);
-+ else
-+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk;
-+
- /* Got the right mix of functions? */
- if (!yaffs_CheckDevFunctions(dev)) {
- /* Function missing */
-@@ -7097,31 +7191,18 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- dev->isMounted = 1;
-
--
--
- /* OK now calculate a few things for the device */
-
- /*
- * Calculate all the chunk size manipulation numbers:
- */
-- /* Start off assuming it is a power of 2 */
-- dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk);
-- dev->chunkMask = (1<<dev->chunkShift) - 1;
--
-- if(dev->nDataBytesPerChunk == (dev->chunkMask + 1)){
-- /* Yes it is a power of 2, disable crumbs */
-- dev->crumbMask = 0;
-- dev->crumbShift = 0;
-- dev->crumbsPerChunk = 0;
-- } else {
-- /* Not a power of 2, use crumbs instead */
-- dev->crumbShift = ShiftDiv(sizeof(yaffs_PackedTags2TagsPart));
-- dev->crumbMask = (1<<dev->crumbShift)-1;
-- dev->crumbsPerChunk = dev->nDataBytesPerChunk/(1 << dev->crumbShift);
-- dev->chunkShift = 0;
-- dev->chunkMask = 0;
-- }
--
-+ x = dev->nDataBytesPerChunk;
-+ /* We always use dev->chunkShift and dev->chunkDiv */
-+ dev->chunkShift = Shifts(x);
-+ x >>= dev->chunkShift;
-+ dev->chunkDiv = x;
-+ /* We only use chunk mask if chunkDiv is 1 */
-+ dev->chunkMask = (1<<dev->chunkShift) - 1;
-
- /*
- * Calculate chunkGroupBits.
-@@ -7133,16 +7214,15 @@ int yaffs_GutsInitialise(yaffs_Device *
- bits = ShiftsGE(x);
-
- /* Set up tnode width if wide tnodes are enabled. */
-- if(!dev->wideTnodesDisabled){
-+ if (!dev->wideTnodesDisabled) {
- /* bits must be even so that we end up with 32-bit words */
-- if(bits & 1)
-+ if (bits & 1)
- bits++;
-- if(bits < 16)
-+ if (bits < 16)
- dev->tnodeWidth = 16;
- else
- dev->tnodeWidth = bits;
-- }
-- else
-+ } else
- dev->tnodeWidth = 16;
-
- dev->tnodeMask = (1<<dev->tnodeWidth)-1;
-@@ -7193,7 +7273,7 @@ int yaffs_GutsInitialise(yaffs_Device *
- dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */
-
- /* Initialise temporary buffers and caches. */
-- if(!yaffs_InitialiseTempBuffers(dev))
-+ if (!yaffs_InitialiseTempBuffers(dev))
- init_failed = 1;
-
- dev->srCache = NULL;
-@@ -7203,25 +7283,26 @@ int yaffs_GutsInitialise(yaffs_Device *
- if (!init_failed &&
- dev->nShortOpCaches > 0) {
- int i;
-- __u8 *buf;
-+ void *buf;
- int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache);
-
-- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) {
-+ if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES)
- dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES;
-- }
-
-- buf = dev->srCache = YMALLOC(srCacheBytes);
-+ dev->srCache = YMALLOC(srCacheBytes);
-
-- if(dev->srCache)
-- memset(dev->srCache,0,srCacheBytes);
-+ buf = (__u8 *) dev->srCache;
-+
-+ if (dev->srCache)
-+ memset(dev->srCache, 0, srCacheBytes);
-
- for (i = 0; i < dev->nShortOpCaches && buf; i++) {
- dev->srCache[i].object = NULL;
- dev->srCache[i].lastUse = 0;
- dev->srCache[i].dirty = 0;
-- dev->srCache[i].data = buf = YMALLOC_DMA(dev->nDataBytesPerChunk);
-+ dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk);
- }
-- if(!buf)
-+ if (!buf)
- init_failed = 1;
-
- dev->srLastUse = 0;
-@@ -7229,29 +7310,30 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- dev->cacheHits = 0;
-
-- if(!init_failed){
-+ if (!init_failed) {
- dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32));
-- if(!dev->gcCleanupList)
-+ if (!dev->gcCleanupList)
- init_failed = 1;
- }
-
-- if (dev->isYaffs2) {
-+ if (dev->isYaffs2)
- dev->useHeaderFileSize = 1;
-- }
-- if(!init_failed && !yaffs_InitialiseBlocks(dev))
-+
-+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
- init_failed = 1;
-
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
-
-- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
-+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
- init_failed = 1;
-
-
-- if(!init_failed){
-+ if (!init_failed) {
- /* Now scan the flash. */
- if (dev->isYaffs2) {
-- if(yaffs_CheckpointRestore(dev)) {
-+ if (yaffs_CheckpointRestore(dev)) {
-+ yaffs_CheckObjectDetailsLoaded(dev->rootDir);
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs: restored from checkpoint" TENDSTR)));
- } else {
-@@ -7273,24 +7355,25 @@ int yaffs_GutsInitialise(yaffs_Device *
- dev->nBackgroundDeletions = 0;
- dev->oldestDirtySequence = 0;
-
-- if(!init_failed && !yaffs_InitialiseBlocks(dev))
-+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
- init_failed = 1;
-
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
-
-- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
-+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
- init_failed = 1;
-
-- if(!init_failed && !yaffs_ScanBackwards(dev))
-+ if (!init_failed && !yaffs_ScanBackwards(dev))
- init_failed = 1;
- }
-- }else
-- if(!yaffs_Scan(dev))
-+ } else if (!yaffs_Scan(dev))
- init_failed = 1;
-+
-+ yaffs_StripDeletedObjects(dev);
- }
-
-- if(init_failed){
-+ if (init_failed) {
- /* Clean up the mess */
- T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR)));
-@@ -7318,7 +7401,7 @@ int yaffs_GutsInitialise(yaffs_Device *
-
- }
-
--void yaffs_Deinitialise(yaffs_Device * dev)
-+void yaffs_Deinitialise(yaffs_Device *dev)
- {
- if (dev->isMounted) {
- int i;
-@@ -7330,7 +7413,7 @@ void yaffs_Deinitialise(yaffs_Device * d
- dev->srCache) {
-
- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if(dev->srCache[i].data)
-+ if (dev->srCache[i].data)
- YFREE(dev->srCache[i].data);
- dev->srCache[i].data = NULL;
- }
-@@ -7341,16 +7424,17 @@ void yaffs_Deinitialise(yaffs_Device * d
-
- YFREE(dev->gcCleanupList);
-
-- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
-+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- YFREE(dev->tempBuffer[i].buffer);
-- }
-
- dev->isMounted = 0;
-- }
-
-+ if (dev->deinitialiseNAND)
-+ dev->deinitialiseNAND(dev);
-+ }
- }
-
--static int yaffs_CountFreeChunks(yaffs_Device * dev)
-+static int yaffs_CountFreeChunks(yaffs_Device *dev)
- {
- int nFree;
- int b;
-@@ -7358,7 +7442,7 @@ static int yaffs_CountFreeChunks(yaffs_D
- yaffs_BlockInfo *blk;
-
- for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock;
-- b++) {
-+ b++) {
- blk = yaffs_GetBlockInfo(dev, b);
-
- switch (blk->blockState) {
-@@ -7373,19 +7457,19 @@ static int yaffs_CountFreeChunks(yaffs_D
- default:
- break;
- }
--
- }
-
- return nFree;
- }
-
--int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev)
-+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev)
- {
- /* This is what we report to the outside world */
-
- int nFree;
- int nDirtyCacheChunks;
- int blocksForCheckpoint;
-+ int i;
-
- #if 1
- nFree = dev->nFreeChunks;
-@@ -7397,12 +7481,9 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
-
- /* Now count the number of dirty chunks in the cache and subtract those */
-
-- {
-- int i;
-- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
-- if (dev->srCache[i].dirty)
-- nDirtyCacheChunks++;
-- }
-+ for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
-+ if (dev->srCache[i].dirty)
-+ nDirtyCacheChunks++;
- }
-
- nFree -= nDirtyCacheChunks;
-@@ -7410,8 +7491,8 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
- nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock);
-
- /* Now we figure out how much to reserve for the checkpoint and report that... */
-- blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
-- if(blocksForCheckpoint < 0)
-+ blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
-+ if (blocksForCheckpoint < 0)
- blocksForCheckpoint = 0;
-
- nFree -= (blocksForCheckpoint * dev->nChunksPerBlock);
-@@ -7425,12 +7506,12 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
-
- static int yaffs_freeVerificationFailures;
-
--static void yaffs_VerifyFreeChunks(yaffs_Device * dev)
-+static void yaffs_VerifyFreeChunks(yaffs_Device *dev)
- {
- int counted;
- int difference;
-
-- if(yaffs_SkipVerification(dev))
-+ if (yaffs_SkipVerification(dev))
- return;
-
- counted = yaffs_CountFreeChunks(dev);
-@@ -7447,23 +7528,25 @@ static void yaffs_VerifyFreeChunks(yaffs
-
- /*---------------------------------------- YAFFS test code ----------------------*/
-
--#define yaffs_CheckStruct(structure,syze, name) \
-- if(sizeof(structure) != syze) \
-- { \
-- T(YAFFS_TRACE_ALWAYS,(TSTR("%s should be %d but is %d\n" TENDSTR),\
-- name,syze,sizeof(structure))); \
-- return YAFFS_FAIL; \
-- }
-+#define yaffs_CheckStruct(structure, syze, name) \
-+ do { \
-+ if (sizeof(structure) != syze) { \
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\
-+ name, syze, sizeof(structure))); \
-+ return YAFFS_FAIL; \
-+ } \
-+ } while (0)
-
- static int yaffs_CheckStructures(void)
- {
--/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags") */
--/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion") */
--/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare") */
-+/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */
-+/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */
-+/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */
- #ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG
-- yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode")
-+ yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode");
- #endif
-- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader")
--
-- return YAFFS_OK;
-+#ifndef CONFIG_YAFFS_WINCE
-+ yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
-+#endif
-+ return YAFFS_OK;
- }
---- a/fs/yaffs2/yaffs_guts.h
-+++ b/fs/yaffs2/yaffs_guts.h
-@@ -90,7 +90,7 @@
-
- #define YAFFS_MAX_SHORT_OP_CACHES 20
-
--#define YAFFS_N_TEMP_BUFFERS 4
-+#define YAFFS_N_TEMP_BUFFERS 6
-
- /* We limit the number attempts at sucessfully saving a chunk of data.
- * Small-page devices have 32 pages per block; large-page devices have 64.
-@@ -108,6 +108,9 @@
- #define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000
- #define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xEFFFFF00
-
-+/* Special sequence number for bad block that failed to be marked bad */
-+#define YAFFS_SEQUENCE_BAD_BLOCK 0xFFFF0000
-+
- /* ChunkCache is used for short read/write operations.*/
- typedef struct {
- struct yaffs_ObjectStruct *object;
-@@ -134,11 +137,10 @@ typedef struct {
- typedef struct {
- unsigned chunkId:20;
- unsigned serialNumber:2;
-- unsigned byteCount:10;
-+ unsigned byteCountLSB:10;
- unsigned objectId:18;
- unsigned ecc:12;
-- unsigned unusedStuff:2;
--
-+ unsigned byteCountMSB:2;
- } yaffs_Tags;
-
- typedef union {
-@@ -277,13 +279,13 @@ typedef struct {
-
- int softDeletions:10; /* number of soft deleted pages */
- int pagesInUse:10; /* number of pages in use */
-- yaffs_BlockState blockState:4; /* One of the above block states */
-+ unsigned blockState:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */
- __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */
-- /* and retire the block. */
-- __u32 skipErasedCheck: 1; /* If this is set we can skip the erased check on this block */
-- __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block.
-+ /* and retire the block. */
-+ __u32 skipErasedCheck:1; /* If this is set we can skip the erased check on this block */
-+ __u32 gcPrioritise:1; /* An ECC check or blank check has failed on this block.
- It should be prioritised for GC */
-- __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
-+ __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
-
- #ifdef CONFIG_YAFFS_YAFFS2
- __u32 hasShrinkHeader:1; /* This block has at least one shrink object header */
-@@ -300,11 +302,11 @@ typedef struct {
-
- /* Apply to everything */
- int parentObjectId;
-- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
-+ __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
-
-- /* Thes following apply to directories, files, symlinks - not hard links */
-- __u32 yst_mode; /* protection */
-+ /* The following apply to directories, files, symlinks - not hard links */
-+ __u32 yst_mode; /* protection */
-
- #ifdef CONFIG_YAFFS_WINCE
- __u32 notForWinCE[5];
-@@ -331,11 +333,14 @@ typedef struct {
- __u32 win_ctime[2];
- __u32 win_atime[2];
- __u32 win_mtime[2];
-- __u32 roomToGrow[4];
- #else
-- __u32 roomToGrow[10];
-+ __u32 roomToGrow[6];
-+
- #endif
-+ __u32 inbandShadowsObject;
-+ __u32 inbandIsShrink;
-
-+ __u32 reservedSpace[2];
- int shadowsObject; /* This object header shadows the specified object if > 0 */
-
- /* isShrink applies to object headers written when we shrink the file (ie resize) */
-@@ -381,7 +386,7 @@ typedef struct {
- } yaffs_FileStructure;
-
- typedef struct {
-- struct list_head children; /* list of child links */
-+ struct ylist_head children; /* list of child links */
- } yaffs_DirectoryStructure;
-
- typedef struct {
-@@ -418,23 +423,24 @@ struct yaffs_ObjectStruct {
- * still in the inode cache. Free of object is defered.
- * until the inode is released.
- */
-+ __u8 beingCreated:1; /* This object is still being created so skip some checks. */
-
- __u8 serial; /* serial number of chunk in NAND. Cached here */
- __u16 sum; /* sum of the name to speed searching */
-
-- struct yaffs_DeviceStruct *myDev; /* The device I'm on */
-+ struct yaffs_DeviceStruct *myDev; /* The device I'm on */
-
-- struct list_head hashLink; /* list of objects in this hash bucket */
-+ struct ylist_head hashLink; /* list of objects in this hash bucket */
-
-- struct list_head hardLinks; /* all the equivalent hard linked objects */
-+ struct ylist_head hardLinks; /* all the equivalent hard linked objects */
-
- /* directory structure stuff */
- /* also used for linking up the free list */
- struct yaffs_ObjectStruct *parent;
-- struct list_head siblings;
-+ struct ylist_head siblings;
-
- /* Where's my object header in NAND? */
-- int chunkId;
-+ int hdrChunk;
-
- int nDataChunks; /* Number of data chunks attached to the file. */
-
-@@ -485,7 +491,7 @@ struct yaffs_ObjectList_struct {
- typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
-
- typedef struct {
-- struct list_head list;
-+ struct ylist_head list;
- int count;
- } yaffs_ObjectBucket;
-
-@@ -495,11 +501,10 @@ typedef struct {
- */
-
- typedef struct {
-- int structType;
-+ int structType;
- __u32 objectId;
- __u32 parentId;
-- int chunkId;
--
-+ int hdrChunk;
- yaffs_ObjectType variantType:3;
- __u8 deleted:1;
- __u8 softDeleted:1;
-@@ -511,8 +516,7 @@ typedef struct {
-
- int nDataChunks;
- __u32 fileSizeOrEquivalentObjectId;
--
--}yaffs_CheckpointObject;
-+} yaffs_CheckpointObject;
-
- /*--------------------- Temporary buffers ----------------
- *
-@@ -528,13 +532,13 @@ typedef struct {
- /*----------------- Device ---------------------------------*/
-
- struct yaffs_DeviceStruct {
-- struct list_head devList;
-+ struct ylist_head devList;
- const char *name;
-
- /* Entry parameters set up way early. Yaffs sets up the rest.*/
- int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */
- int nChunksPerBlock; /* does not need to be a power of 2 */
-- int nBytesPerSpare; /* spare area size */
-+ int spareBytesPerChunk; /* spare area size */
- int startBlock; /* Start block we're allowed to use */
- int endBlock; /* End block we're allowed to use */
- int nReservedBlocks; /* We want this tuneable so that we can reduce */
-@@ -544,9 +548,7 @@ struct yaffs_DeviceStruct {
- /* Stuff used by the shared space checkpointing mechanism */
- /* If this value is zero, then this mechanism is disabled */
-
-- int nCheckpointReservedBlocks; /* Blocks to reserve for checkpoint data */
--
--
-+/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */
-
-
- int nShortOpCaches; /* If <= 0, then short op caching is disabled, else
-@@ -560,30 +562,31 @@ struct yaffs_DeviceStruct {
- void *genericDevice; /* Pointer to device context
- * On an mtd this holds the mtd pointer.
- */
-- void *superBlock;
-+ void *superBlock;
-
- /* NAND access functions (Must be set before calling YAFFS)*/
-
-- int (*writeChunkToNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, const __u8 * data,
-- const yaffs_Spare * spare);
-- int (*readChunkFromNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, __u8 * data,
-- yaffs_Spare * spare);
-- int (*eraseBlockInNAND) (struct yaffs_DeviceStruct * dev,
-- int blockInNAND);
-- int (*initialiseNAND) (struct yaffs_DeviceStruct * dev);
-+ int (*writeChunkToNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, const __u8 *data,
-+ const yaffs_Spare *spare);
-+ int (*readChunkFromNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, __u8 *data,
-+ yaffs_Spare *spare);
-+ int (*eraseBlockInNAND) (struct yaffs_DeviceStruct *dev,
-+ int blockInNAND);
-+ int (*initialiseNAND) (struct yaffs_DeviceStruct *dev);
-+ int (*deinitialiseNAND) (struct yaffs_DeviceStruct *dev);
-
- #ifdef CONFIG_YAFFS_YAFFS2
-- int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, const __u8 * data,
-- const yaffs_ExtendedTags * tags);
-- int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct * dev,
-- int chunkInNAND, __u8 * data,
-- yaffs_ExtendedTags * tags);
-- int (*markNANDBlockBad) (struct yaffs_DeviceStruct * dev, int blockNo);
-- int (*queryNANDBlock) (struct yaffs_DeviceStruct * dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+ int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND, __u8 *data,
-+ yaffs_ExtendedTags *tags);
-+ int (*markNANDBlockBad) (struct yaffs_DeviceStruct *dev, int blockNo);
-+ int (*queryNANDBlock) (struct yaffs_DeviceStruct *dev, int blockNo,
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
- #endif
-
- int isYaffs2;
-@@ -595,10 +598,12 @@ struct yaffs_DeviceStruct {
- void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
-
- /* Callback to mark the superblock dirsty */
-- void (*markSuperBlockDirty)(void * superblock);
-+ void (*markSuperBlockDirty)(void *superblock);
-
- int wideTnodesDisabled; /* Set to disable wide tnodes */
-
-+ YCHAR *pathDividers; /* String of legal path dividers */
-+
-
- /* End of stuff that must be set before initialisation. */
-
-@@ -615,16 +620,14 @@ struct yaffs_DeviceStruct {
- __u32 tnodeWidth;
- __u32 tnodeMask;
-
-- /* Stuff to support various file offses to chunk/offset translations */
-- /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */
-- __u32 crumbMask;
-- __u32 crumbShift;
-- __u32 crumbsPerChunk;
--
-- /* Straight shifting for nDataBytesPerChunk being a power of 2 */
-- __u32 chunkShift;
-- __u32 chunkMask;
--
-+ /* Stuff for figuring out file offset to chunk conversions */
-+ __u32 chunkShift; /* Shift value */
-+ __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */
-+ __u32 chunkMask; /* Mask to use for power-of-2 case */
-+
-+ /* Stuff to handle inband tags */
-+ int inbandTags;
-+ __u32 totalBytesPerChunk;
-
- #ifdef __KERNEL__
-
-@@ -633,7 +636,7 @@ struct yaffs_DeviceStruct {
- __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer
- * at compile time so we have to allocate it.
- */
-- void (*putSuperFunc) (struct super_block * sb);
-+ void (*putSuperFunc) (struct super_block *sb);
- #endif
-
- int isMounted;
-@@ -663,6 +666,8 @@ struct yaffs_DeviceStruct {
- __u32 checkpointSum;
- __u32 checkpointXor;
-
-+ int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */
-+
- /* Block Info */
- yaffs_BlockInfo *blockInfo;
- __u8 *chunkBits; /* bitmap of chunks in use */
-@@ -684,11 +689,15 @@ struct yaffs_DeviceStruct {
- yaffs_TnodeList *allocatedTnodeList;
-
- int isDoingGC;
-+ int gcBlock;
-+ int gcChunk;
-
- int nObjectsCreated;
- yaffs_Object *freeObjects;
- int nFreeObjects;
-
-+ int nHardLinks;
-+
- yaffs_ObjectList *allocatedObjectList;
-
- yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS];
-@@ -745,8 +754,10 @@ struct yaffs_DeviceStruct {
- int nBackgroundDeletions; /* Count of background deletions. */
-
-
-+ /* Temporary buffer management */
- yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS];
- int maxTemp;
-+ int tempInUse;
- int unmanagedTempAllocations;
- int unmanagedTempDeallocations;
-
-@@ -758,9 +769,9 @@ struct yaffs_DeviceStruct {
-
- typedef struct yaffs_DeviceStruct yaffs_Device;
-
--/* The static layout of bllock usage etc is stored in the super block header */
-+/* The static layout of block usage etc is stored in the super block header */
- typedef struct {
-- int StructType;
-+ int StructType;
- int version;
- int checkpointStartBlock;
- int checkpointEndBlock;
-@@ -773,7 +784,7 @@ typedef struct {
- * must be preserved over unmount/mount cycles.
- */
- typedef struct {
-- int structType;
-+ int structType;
- int nErasedBlocks;
- int allocationBlock; /* Current block being allocated off */
- __u32 allocationPage;
-@@ -791,57 +802,45 @@ typedef struct {
-
-
- typedef struct {
-- int structType;
-- __u32 magic;
-- __u32 version;
-- __u32 head;
-+ int structType;
-+ __u32 magic;
-+ __u32 version;
-+ __u32 head;
- } yaffs_CheckpointValidity;
-
--/* Function to manipulate block info */
--static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
--{
-- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
-- T(YAFFS_TRACE_ERROR,
-- (TSTR
-- ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
-- blk));
-- YBUG();
-- }
-- return &dev->blockInfo[blk - dev->internalStartBlock];
--}
-
- /*----------------------- YAFFS Functions -----------------------*/
-
--int yaffs_GutsInitialise(yaffs_Device * dev);
--void yaffs_Deinitialise(yaffs_Device * dev);
-+int yaffs_GutsInitialise(yaffs_Device *dev);
-+void yaffs_Deinitialise(yaffs_Device *dev);
-
--int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev);
-+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev);
-
--int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
-- yaffs_Object * newDir, const YCHAR * newName);
-+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
-+ yaffs_Object *newDir, const YCHAR *newName);
-
--int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name);
--int yaffs_DeleteFile(yaffs_Object * obj);
-+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name);
-+int yaffs_DeleteObject(yaffs_Object *obj);
-
--int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize);
--int yaffs_GetObjectFileLength(yaffs_Object * obj);
--int yaffs_GetObjectInode(yaffs_Object * obj);
--unsigned yaffs_GetObjectType(yaffs_Object * obj);
--int yaffs_GetObjectLinkCount(yaffs_Object * obj);
-+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize);
-+int yaffs_GetObjectFileLength(yaffs_Object *obj);
-+int yaffs_GetObjectInode(yaffs_Object *obj);
-+unsigned yaffs_GetObjectType(yaffs_Object *obj);
-+int yaffs_GetObjectLinkCount(yaffs_Object *obj);
-
--int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr);
--int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr);
-+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr);
-+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr);
-
- /* File operations */
--int yaffs_ReadDataFromFile(yaffs_Object * obj, __u8 * buffer, loff_t offset,
-- int nBytes);
--int yaffs_WriteDataToFile(yaffs_Object * obj, const __u8 * buffer, loff_t offset,
-- int nBytes, int writeThrough);
--int yaffs_ResizeFile(yaffs_Object * obj, loff_t newSize);
--
--yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid);
--int yaffs_FlushFile(yaffs_Object * obj, int updateTime);
-+int yaffs_ReadDataFromFile(yaffs_Object *obj, __u8 *buffer, loff_t offset,
-+ int nBytes);
-+int yaffs_WriteDataToFile(yaffs_Object *obj, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough);
-+int yaffs_ResizeFile(yaffs_Object *obj, loff_t newSize);
-+
-+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid);
-+int yaffs_FlushFile(yaffs_Object *obj, int updateTime);
-
- /* Flushing and checkpointing */
- void yaffs_FlushEntireDeviceCache(yaffs_Device *dev);
-@@ -850,33 +849,33 @@ int yaffs_CheckpointSave(yaffs_Device *d
- int yaffs_CheckpointRestore(yaffs_Device *dev);
-
- /* Directory operations */
--yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
-- __u32 mode, __u32 uid, __u32 gid);
--yaffs_Object *yaffs_FindObjectByName(yaffs_Object * theDir, const YCHAR * name);
--int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
-+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid);
-+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *theDir, const YCHAR *name);
-+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
- int (*fn) (yaffs_Object *));
-
--yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number);
-+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number);
-
- /* Link operations */
--yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
-- yaffs_Object * equivalentObject);
-+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
-+ yaffs_Object *equivalentObject);
-
--yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj);
-+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj);
-
- /* Symlink operations */
--yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
-+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid,
-- const YCHAR * alias);
--YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj);
-+ const YCHAR *alias);
-+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj);
-
- /* Special inodes (fifos, sockets and devices) */
--yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
-+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid, __u32 rdev);
-
- /* Special directories */
--yaffs_Object *yaffs_Root(yaffs_Device * dev);
--yaffs_Object *yaffs_LostNFound(yaffs_Device * dev);
-+yaffs_Object *yaffs_Root(yaffs_Device *dev);
-+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev);
-
- #ifdef CONFIG_YAFFS_WINCE
- /* CONFIG_YAFFS_WINCE special stuff */
-@@ -885,18 +884,21 @@ void yfsd_WinFileTimeNow(__u32 target[2]
-
- #ifdef __KERNEL__
-
--void yaffs_HandleDeferedFree(yaffs_Object * obj);
-+void yaffs_HandleDeferedFree(yaffs_Object *obj);
- #endif
-
- /* Debug dump */
--int yaffs_DumpObject(yaffs_Object * obj);
-+int yaffs_DumpObject(yaffs_Object *obj);
-
--void yaffs_GutsTest(yaffs_Device * dev);
-+void yaffs_GutsTest(yaffs_Device *dev);
-
- /* A few useful functions */
--void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
--void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn);
--int yaffs_CheckFF(__u8 * buffer, int nBytes);
-+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
-+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn);
-+int yaffs_CheckFF(__u8 *buffer, int nBytes);
- void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi);
-
-+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
-+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
-+
- #endif
---- a/fs/yaffs2/yaffs_mtdif1.c
-+++ b/fs/yaffs2/yaffs_mtdif1.c
-@@ -26,7 +26,7 @@
- #include "yportenv.h"
- #include "yaffs_guts.h"
- #include "yaffs_packedtags1.h"
--#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC
-+#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
-
- #include "linux/kernel.h"
- #include "linux/version.h"
-@@ -34,9 +34,9 @@
- #include "linux/mtd/mtd.h"
-
- /* Don't compile this module if we don't have MTD's mtd_oob_ops interface */
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
-
--const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.3 2007/05/15 20:16:11 ian Exp $";
-+const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $";
-
- #ifndef CONFIG_YAFFS_9BYTE_TAGS
- # define YTAG1_SIZE 8
-@@ -89,9 +89,9 @@ static struct nand_ecclayout nand_oob_16
- * Returns YAFFS_OK or YAFFS_FAIL.
- */
- int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
-- int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags)
-+ int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int chunkBytes = dev->nDataBytesPerChunk;
- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
- struct mtd_oob_ops ops;
-@@ -146,7 +146,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
-
- /* Return with empty ExtendedTags but add eccResult.
- */
--static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval)
-+static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval)
- {
- if (etags) {
- memset(etags, 0, sizeof(*etags));
-@@ -169,9 +169,9 @@ static int rettags(yaffs_ExtendedTags *
- * Returns YAFFS_OK or YAFFS_FAIL.
- */
- int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
-- int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags)
-+ int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int chunkBytes = dev->nDataBytesPerChunk;
- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
- int eccres = YAFFS_ECC_RESULT_NO_ERROR;
-@@ -189,7 +189,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- ops.datbuf = data;
- ops.oobbuf = (__u8 *)&pt1;
-
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20))
- /* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug;
- * help it out with ops.len = ops.ooblen when ops.datbuf == NULL.
- */
-@@ -284,11 +284,11 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
- */
- int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
- int retval;
-
-- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo);
-+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
-
- retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
- return (retval) ? YAFFS_FAIL : YAFFS_OK;
-@@ -298,7 +298,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaf
- *
- * Returns YAFFS_OK or YAFFS_FAIL.
- */
--static int nandmtd1_TestPrerequists(struct mtd_info * mtd)
-+static int nandmtd1_TestPrerequists(struct mtd_info *mtd)
- {
- /* 2.6.18 has mtd->ecclayout->oobavail */
- /* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */
-@@ -323,10 +323,11 @@ static int nandmtd1_TestPrerequists(stru
- * Always returns YAFFS_OK.
- */
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * pState, int *pSequenceNumber)
-+ yaffs_BlockState *pState, __u32 *pSequenceNumber)
- {
-- struct mtd_info * mtd = dev->genericDevice;
-+ struct mtd_info *mtd = dev->genericDevice;
- int chunkNo = blockNo * dev->nChunksPerBlock;
-+ loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
- yaffs_ExtendedTags etags;
- int state = YAFFS_BLOCK_STATE_DEAD;
- int seqnum = 0;
-@@ -335,21 +336,22 @@ int nandmtd1_QueryNANDBlock(struct yaffs
- /* We don't yet have a good place to test for MTD config prerequists.
- * Do it here as we are called during the initial scan.
- */
-- if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) {
-+ if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK)
- return YAFFS_FAIL;
-- }
-
- retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
-+ etags.blockBad = (mtd->block_isbad)(mtd, addr);
- if (etags.blockBad) {
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
-- "block %d is marked bad", blockNo);
-+ "block %d is marked bad\n", blockNo);
- state = YAFFS_BLOCK_STATE_DEAD;
-- }
-- else if (etags.chunkUsed) {
-+ } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
-+ /* bad tags, need to look more closely */
-+ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
-+ } else if (etags.chunkUsed) {
- state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
- seqnum = etags.sequenceNumber;
-- }
-- else {
-+ } else {
- state = YAFFS_BLOCK_STATE_EMPTY;
- }
-
-@@ -360,4 +362,4 @@ int nandmtd1_QueryNANDBlock(struct yaffs
- return YAFFS_OK;
- }
-
--#endif /*KERNEL_VERSION*/
-+#endif /*MTD_VERSION*/
---- a/fs/yaffs2/yaffs_mtdif1.h
-+++ b/fs/yaffs2/yaffs_mtdif1.h
-@@ -14,15 +14,15 @@
- #ifndef __YAFFS_MTDIF1_H__
- #define __YAFFS_MTDIF1_H__
-
--int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data, const yaffs_ExtendedTags * tags);
-+int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data, const yaffs_ExtendedTags *tags);
-
--int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * data, yaffs_ExtendedTags * tags);
-+int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *data, yaffs_ExtendedTags *tags);
-
- int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
-
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
-
- #endif
---- a/fs/yaffs2/yaffs_mtdif2.c
-+++ b/fs/yaffs2/yaffs_mtdif2.c
-@@ -14,7 +14,7 @@
- /* mtd interface for YAFFS2 */
-
- const char *yaffs_mtdif2_c_version =
-- "$Id: yaffs_mtdif2.c,v 1.17 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $";
-
- #include "yportenv.h"
-
-@@ -27,19 +27,23 @@ const char *yaffs_mtdif2_c_version =
-
- #include "yaffs_packedtags2.h"
-
--int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags)
-+/* NB For use with inband tags....
-+ * We assume that the data buffer is of size totalBytersPerChunk so that we can also
-+ * use it to load the tags.
-+ */
-+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #else
- size_t dummy;
- #endif
- int retval = 0;
-
-- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-+ loff_t addr;
-
- yaffs_PackedTags2 pt;
-
-@@ -48,46 +52,40 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- if (tags)
-- yaffs_PackTags2(&pt, tags);
-- else
-- BUG(); /* both tags and data should always be present */
-
-- if (data) {
-- ops.mode = MTD_OOB_AUTO;
-- ops.ooblen = sizeof(pt);
-- ops.len = dev->nDataBytesPerChunk;
-- ops.ooboffs = 0;
-- ops.datbuf = (__u8 *)data;
-- ops.oobbuf = (void *)&pt;
-- retval = mtd->write_oob(mtd, addr, &ops);
-+ addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
-+
-+ /* For yaffs2 writing there must be both data and tags.
-+ * If we're using inband tags, then the tags are stuffed into
-+ * the end of the data buffer.
-+ */
-+ if (!data || !tags)
-+ BUG();
-+ else if (dev->inbandTags) {
-+ yaffs_PackedTags2TagsPart *pt2tp;
-+ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
-+ yaffs_PackTags2TagsPart(pt2tp, tags);
- } else
-- BUG(); /* both tags and data should always be present */
--#else
-- if (tags) {
- yaffs_PackTags2(&pt, tags);
-- }
-
-- if (data && tags) {
-- if (dev->useNANDECC)
-- retval =
-- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
-- &dummy, data, (__u8 *) & pt, NULL);
-- else
-- retval =
-- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
-- &dummy, data, (__u8 *) & pt, NULL);
-- } else {
-- if (data)
-- retval =
-- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy,
-- data);
-- if (tags)
-- retval =
-- mtd->write_oob(mtd, addr, mtd->oobsize, &dummy,
-- (__u8 *) & pt);
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ ops.mode = MTD_OOB_AUTO;
-+ ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt);
-+ ops.len = dev->totalBytesPerChunk;
-+ ops.ooboffs = 0;
-+ ops.datbuf = (__u8 *)data;
-+ ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt;
-+ retval = mtd->write_oob(mtd, addr, &ops);
-
-+#else
-+ if (!dev->inbandTags) {
-+ retval =
-+ mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
-+ &dummy, data, (__u8 *) &pt, NULL);
-+ } else {
-+ retval =
-+ mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy,
-+ data);
- }
- #endif
-
-@@ -97,17 +95,18 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- return YAFFS_FAIL;
- }
-
--int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * data, yaffs_ExtendedTags * tags)
-+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *data, yaffs_ExtendedTags *tags)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #endif
- size_t dummy;
- int retval = 0;
-+ int localData = 0;
-
-- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-+ loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
-
- yaffs_PackedTags2 pt;
-
-@@ -116,9 +115,20 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-- if (data && !tags)
-- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
-+ if (dev->inbandTags) {
-+
-+ if (!data) {
-+ localData = 1;
-+ data = yaffs_GetTempBuffer(dev, __LINE__);
-+ }
-+
-+
-+ }
-+
-+
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ if (dev->inbandTags || (data && !tags))
-+ retval = mtd->read(mtd, addr, dev->totalBytesPerChunk,
- &dummy, data);
- else if (tags) {
- ops.mode = MTD_OOB_AUTO;
-@@ -130,38 +140,42 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
- retval = mtd->read_oob(mtd, addr, &ops);
- }
- #else
-- if (data && tags) {
-- if (dev->useNANDECC) {
-- retval =
-- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
-- &dummy, data, dev->spareBuffer,
-- NULL);
-- } else {
-- retval =
-- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
-+ if (!dev->inbandTags && data && tags) {
-+
-+ retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, dev->spareBuffer,
- NULL);
-- }
- } else {
- if (data)
- retval =
- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
- data);
-- if (tags)
-+ if (!dev->inbandTags && tags)
- retval =
- mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
- dev->spareBuffer);
- }
- #endif
-
-- memcpy(&pt, dev->spareBuffer, sizeof(pt));
-
-- if (tags)
-- yaffs_UnpackTags2(tags, &pt);
-+ if (dev->inbandTags) {
-+ if (tags) {
-+ yaffs_PackedTags2TagsPart *pt2tp;
-+ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
-+ yaffs_UnpackTags2TagsPart(tags, pt2tp);
-+ }
-+ } else {
-+ if (tags) {
-+ memcpy(&pt, dev->spareBuffer, sizeof(pt));
-+ yaffs_UnpackTags2(tags, &pt);
-+ }
-+ }
-+
-+ if (localData)
-+ yaffs_ReleaseTempBuffer(dev, data, __LINE__);
-
-- if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
-+ if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
--
- if (retval == 0)
- return YAFFS_OK;
- else
-@@ -178,7 +192,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
- retval =
- mtd->block_markbad(mtd,
- blockNo * dev->nChunksPerBlock *
-- dev->nDataBytesPerChunk);
-+ dev->totalBytesPerChunk);
-
- if (retval == 0)
- return YAFFS_OK;
-@@ -188,7 +202,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
- }
-
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber)
-+ yaffs_BlockState *state, __u32 *sequenceNumber)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- int retval;
-@@ -198,7 +212,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs
- retval =
- mtd->block_isbad(mtd,
- blockNo * dev->nChunksPerBlock *
-- dev->nDataBytesPerChunk);
-+ dev->totalBytesPerChunk);
-
- if (retval) {
- T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
---- a/fs/yaffs2/yaffs_mtdif2.h
-+++ b/fs/yaffs2/yaffs_mtdif2.h
-@@ -17,13 +17,13 @@
- #define __YAFFS_MTDIF2_H__
-
- #include "yaffs_guts.h"
--int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags * tags);
--int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * data, yaffs_ExtendedTags * tags);
-+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *data, yaffs_ExtendedTags *tags);
- int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
-
- #endif
---- a/fs/yaffs2/yaffs_mtdif.c
-+++ b/fs/yaffs2/yaffs_mtdif.c
-@@ -12,7 +12,7 @@
- */
-
- const char *yaffs_mtdif_c_version =
-- "$Id: yaffs_mtdif.c,v 1.19 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $";
-
- #include "yportenv.h"
-
-@@ -24,7 +24,7 @@ const char *yaffs_mtdif_c_version =
- #include "linux/time.h"
- #include "linux/mtd/nand.h"
-
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
-+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
- static struct nand_oobinfo yaffs_oobinfo = {
- .useecc = 1,
- .eccbytes = 6,
-@@ -36,7 +36,7 @@ static struct nand_oobinfo yaffs_noeccin
- };
- #endif
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob)
- {
- oob[0] = spare->tagByte0;
-@@ -45,8 +45,8 @@ static inline void translate_spare2oob(c
- oob[3] = spare->tagByte3;
- oob[4] = spare->tagByte4;
- oob[5] = spare->tagByte5 & 0x3f;
-- oob[5] |= spare->blockStatus == 'Y' ? 0: 0x80;
-- oob[5] |= spare->pageStatus == 0 ? 0: 0x40;
-+ oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80;
-+ oob[5] |= spare->pageStatus == 0 ? 0 : 0x40;
- oob[6] = spare->tagByte6;
- oob[7] = spare->tagByte7;
- }
-@@ -71,18 +71,18 @@ static inline void translate_oob2spare(y
- }
- #endif
-
--int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data, const yaffs_Spare * spare)
-+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data, const yaffs_Spare *spare)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #endif
- size_t dummy;
- int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- __u8 spareAsBytes[8]; /* OOB */
-
- if (data && !spare)
-@@ -135,18 +135,18 @@ int nandmtd_WriteChunkToNAND(yaffs_Devic
- return YAFFS_FAIL;
- }
-
--int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
-- yaffs_Spare * spare)
-+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
-+ yaffs_Spare *spare)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- struct mtd_oob_ops ops;
- #endif
- size_t dummy;
- int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
-+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- __u8 spareAsBytes[8]; /* OOB */
-
- if (data && !spare)
-@@ -205,7 +205,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Devi
- return YAFFS_FAIL;
- }
-
--int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
-+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- __u32 addr =
-@@ -234,7 +234,7 @@ int nandmtd_EraseBlockInNAND(yaffs_Devic
- return YAFFS_FAIL;
- }
-
--int nandmtd_InitialiseNAND(yaffs_Device * dev)
-+int nandmtd_InitialiseNAND(yaffs_Device *dev)
- {
- return YAFFS_OK;
- }
---- a/fs/yaffs2/yaffs_mtdif.h
-+++ b/fs/yaffs2/yaffs_mtdif.h
-@@ -18,10 +18,15 @@
-
- #include "yaffs_guts.h"
-
--int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data, const yaffs_Spare * spare);
--int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
-- yaffs_Spare * spare);
--int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber);
--int nandmtd_InitialiseNAND(yaffs_Device * dev);
-+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
-+extern struct nand_oobinfo yaffs_oobinfo;
-+extern struct nand_oobinfo yaffs_noeccinfo;
-+#endif
-+
-+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data, const yaffs_Spare *spare);
-+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
-+ yaffs_Spare *spare);
-+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
-+int nandmtd_InitialiseNAND(yaffs_Device *dev);
- #endif
---- a/fs/yaffs2/yaffs_nand.c
-+++ b/fs/yaffs2/yaffs_nand.c
-@@ -12,16 +12,17 @@
- */
-
- const char *yaffs_nand_c_version =
-- "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $";
-+ "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey Exp $";
-
- #include "yaffs_nand.h"
- #include "yaffs_tagscompat.h"
- #include "yaffs_tagsvalidity.h"
-
-+#include "yaffs_getblockinfo.h"
-
--int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * buffer,
-- yaffs_ExtendedTags * tags)
-+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *buffer,
-+ yaffs_ExtendedTags *tags)
- {
- int result;
- yaffs_ExtendedTags localTags;
-@@ -29,7 +30,7 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
- int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
-
- /* If there are no tags provided, use local tags to get prioritised gc working */
-- if(!tags)
-+ if (!tags)
- tags = &localTags;
-
- if (dev->readChunkWithTagsFromNAND)
-@@ -40,20 +41,20 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
- realignedChunkInNAND,
- buffer,
- tags);
-- if(tags &&
-- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
-+ if (tags &&
-+ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
-
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
-- yaffs_HandleChunkError(dev,bi);
-+ yaffs_HandleChunkError(dev, bi);
- }
-
- return result;
- }
-
--int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
-+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
- int chunkInNAND,
-- const __u8 * buffer,
-- yaffs_ExtendedTags * tags)
-+ const __u8 *buffer,
-+ yaffs_ExtendedTags *tags)
- {
- chunkInNAND -= dev->chunkOffset;
-
-@@ -84,7 +85,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs
- tags);
- }
-
--int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
-+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo)
- {
- blockNo -= dev->blockOffset;
-
-@@ -95,10 +96,10 @@ int yaffs_MarkBlockBad(yaffs_Device * de
- return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
- }
-
--int yaffs_QueryInitialBlockState(yaffs_Device * dev,
-+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
- int blockNo,
-- yaffs_BlockState * state,
-- unsigned *sequenceNumber)
-+ yaffs_BlockState *state,
-+ __u32 *sequenceNumber)
- {
- blockNo -= dev->blockOffset;
-
---- a/fs/yaffs2/yaffs_nandemul2k.h
-+++ b/fs/yaffs2/yaffs_nandemul2k.h
-@@ -21,14 +21,14 @@
- #include "yaffs_guts.h"
-
- int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND, const __u8 * data,
-- yaffs_ExtendedTags * tags);
-+ int chunkInNAND, const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
- int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND, __u8 * data,
-- yaffs_ExtendedTags * tags);
-+ int chunkInNAND, __u8 *data,
-+ yaffs_ExtendedTags *tags);
- int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
- int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState *state, __u32 *sequenceNumber);
- int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
- int blockInNAND);
- int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev);
---- a/fs/yaffs2/yaffs_nand.h
-+++ b/fs/yaffs2/yaffs_nand.h
-@@ -19,21 +19,21 @@
-
-
-
--int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-- __u8 * buffer,
-- yaffs_ExtendedTags * tags);
--
--int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- const __u8 * buffer,
-- yaffs_ExtendedTags * tags);
--
--int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo);
--
--int yaffs_QueryInitialBlockState(yaffs_Device * dev,
-- int blockNo,
-- yaffs_BlockState * state,
-- unsigned *sequenceNumber);
-+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
-+ __u8 *buffer,
-+ yaffs_ExtendedTags *tags);
-+
-+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *buffer,
-+ yaffs_ExtendedTags *tags);
-+
-+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo);
-+
-+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
-+ int blockNo,
-+ yaffs_BlockState *state,
-+ unsigned *sequenceNumber);
-
- int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
- int blockInNAND);
---- a/fs/yaffs2/yaffs_packedtags1.c
-+++ b/fs/yaffs2/yaffs_packedtags1.c
-@@ -14,7 +14,7 @@
- #include "yaffs_packedtags1.h"
- #include "yportenv.h"
-
--void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t)
-+void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t)
- {
- pt->chunkId = t->chunkId;
- pt->serialNumber = t->serialNumber;
-@@ -27,7 +27,7 @@ void yaffs_PackTags1(yaffs_PackedTags1 *
-
- }
-
--void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt)
-+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt)
- {
- static const __u8 allFF[] =
- { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-@@ -35,9 +35,8 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag
-
- if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
- t->blockBad = 0;
-- if (pt->shouldBeFF != 0xFFFFFFFF) {
-+ if (pt->shouldBeFF != 0xFFFFFFFF)
- t->blockBad = 1;
-- }
- t->chunkUsed = 1;
- t->objectId = pt->objectId;
- t->chunkId = pt->chunkId;
-@@ -47,6 +46,5 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag
- t->serialNumber = pt->serialNumber;
- } else {
- memset(t, 0, sizeof(yaffs_ExtendedTags));
--
- }
- }
---- a/fs/yaffs2/yaffs_packedtags1.h
-+++ b/fs/yaffs2/yaffs_packedtags1.h
-@@ -32,6 +32,6 @@ typedef struct {
-
- } yaffs_PackedTags1;
-
--void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t);
--void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt);
-+void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t);
-+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt);
- #endif
---- a/fs/yaffs2/yaffs_packedtags2.c
-+++ b/fs/yaffs2/yaffs_packedtags2.c
-@@ -37,60 +37,68 @@
- #define EXTRA_OBJECT_TYPE_SHIFT (28)
- #define EXTRA_OBJECT_TYPE_MASK ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT)
-
--static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt)
-+
-+static void yaffs_DumpPackedTags2TagsPart(const yaffs_PackedTags2TagsPart *ptt)
- {
- T(YAFFS_TRACE_MTD,
- (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
-- pt->t.objectId, pt->t.chunkId, pt->t.byteCount,
-- pt->t.sequenceNumber));
-+ ptt->objectId, ptt->chunkId, ptt->byteCount,
-+ ptt->sequenceNumber));
-+}
-+static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 *pt)
-+{
-+ yaffs_DumpPackedTags2TagsPart(&pt->t);
- }
-
--static void yaffs_DumpTags2(const yaffs_ExtendedTags * t)
-+static void yaffs_DumpTags2(const yaffs_ExtendedTags *t)
- {
- T(YAFFS_TRACE_MTD,
- (TSTR
-- ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte "
-- "%d del %d ser %d seq %d"
-+ ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d"
- TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId,
- t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber,
- t->sequenceNumber));
-
- }
-
--void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
-+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt,
-+ const yaffs_ExtendedTags *t)
- {
-- pt->t.chunkId = t->chunkId;
-- pt->t.sequenceNumber = t->sequenceNumber;
-- pt->t.byteCount = t->byteCount;
-- pt->t.objectId = t->objectId;
-+ ptt->chunkId = t->chunkId;
-+ ptt->sequenceNumber = t->sequenceNumber;
-+ ptt->byteCount = t->byteCount;
-+ ptt->objectId = t->objectId;
-
- if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
- /* Store the extra header info instead */
- /* We save the parent object in the chunkId */
-- pt->t.chunkId = EXTRA_HEADER_INFO_FLAG
-+ ptt->chunkId = EXTRA_HEADER_INFO_FLAG
- | t->extraParentObjectId;
-- if (t->extraIsShrinkHeader) {
-- pt->t.chunkId |= EXTRA_SHRINK_FLAG;
-- }
-- if (t->extraShadows) {
-- pt->t.chunkId |= EXTRA_SHADOWS_FLAG;
-- }
-+ if (t->extraIsShrinkHeader)
-+ ptt->chunkId |= EXTRA_SHRINK_FLAG;
-+ if (t->extraShadows)
-+ ptt->chunkId |= EXTRA_SHADOWS_FLAG;
-
-- pt->t.objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-- pt->t.objectId |=
-+ ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-+ ptt->objectId |=
- (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
-
-- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
-- pt->t.byteCount = t->extraEquivalentObjectId;
-- } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) {
-- pt->t.byteCount = t->extraFileLength;
-- } else {
-- pt->t.byteCount = 0;
-- }
-+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ ptt->byteCount = t->extraEquivalentObjectId;
-+ else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE)
-+ ptt->byteCount = t->extraFileLength;
-+ else
-+ ptt->byteCount = 0;
- }
-
-- yaffs_DumpPackedTags2(pt);
-+ yaffs_DumpPackedTags2TagsPart(ptt);
- yaffs_DumpTags2(t);
-+}
-+
-+
-+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t)
-+{
-+ yaffs_PackTags2TagsPart(&pt->t, t);
-
- #ifndef YAFFS_IGNORE_TAGS_ECC
- {
-@@ -101,82 +109,98 @@ void yaffs_PackTags2(yaffs_PackedTags2 *
- #endif
- }
-
--void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
-+
-+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t,
-+ yaffs_PackedTags2TagsPart *ptt)
- {
-
- memset(t, 0, sizeof(yaffs_ExtendedTags));
-
- yaffs_InitialiseTags(t);
-
-- if (pt->t.sequenceNumber != 0xFFFFFFFF) {
-- /* Page is in use */
--#ifdef YAFFS_IGNORE_TAGS_ECC
-- {
-- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-- }
--#else
-- {
-- yaffs_ECCOther ecc;
-- int result;
-- yaffs_ECCCalculateOther((unsigned char *)&pt->t,
-- sizeof
-- (yaffs_PackedTags2TagsPart),
-- &ecc);
-- result =
-- yaffs_ECCCorrectOther((unsigned char *)&pt->t,
-- sizeof
-- (yaffs_PackedTags2TagsPart),
-- &pt->ecc, &ecc);
-- switch(result){
-- case 0:
-- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-- break;
-- case 1:
-- t->eccResult = YAFFS_ECC_RESULT_FIXED;
-- break;
-- case -1:
-- t->eccResult = YAFFS_ECC_RESULT_UNFIXED;
-- break;
-- default:
-- t->eccResult = YAFFS_ECC_RESULT_UNKNOWN;
-- }
-- }
--#endif
-+ if (ptt->sequenceNumber != 0xFFFFFFFF) {
- t->blockBad = 0;
- t->chunkUsed = 1;
-- t->objectId = pt->t.objectId;
-- t->chunkId = pt->t.chunkId;
-- t->byteCount = pt->t.byteCount;
-+ t->objectId = ptt->objectId;
-+ t->chunkId = ptt->chunkId;
-+ t->byteCount = ptt->byteCount;
- t->chunkDeleted = 0;
- t->serialNumber = 0;
-- t->sequenceNumber = pt->t.sequenceNumber;
-+ t->sequenceNumber = ptt->sequenceNumber;
-
- /* Do extra header info stuff */
-
-- if (pt->t.chunkId & EXTRA_HEADER_INFO_FLAG) {
-+ if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
- t->chunkId = 0;
- t->byteCount = 0;
-
- t->extraHeaderInfoAvailable = 1;
- t->extraParentObjectId =
-- pt->t.chunkId & (~(ALL_EXTRA_FLAGS));
-+ ptt->chunkId & (~(ALL_EXTRA_FLAGS));
- t->extraIsShrinkHeader =
-- (pt->t.chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
-+ (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
- t->extraShadows =
-- (pt->t.chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
-+ (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
- t->extraObjectType =
-- pt->t.objectId >> EXTRA_OBJECT_TYPE_SHIFT;
-+ ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
- t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
-
-- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
-- t->extraEquivalentObjectId = pt->t.byteCount;
-- } else {
-- t->extraFileLength = pt->t.byteCount;
-+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ t->extraEquivalentObjectId = ptt->byteCount;
-+ else
-+ t->extraFileLength = ptt->byteCount;
-+ }
-+ }
-+
-+ yaffs_DumpPackedTags2TagsPart(ptt);
-+ yaffs_DumpTags2(t);
-+
-+}
-+
-+
-+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt)
-+{
-+
-+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-+
-+ if (pt->t.sequenceNumber != 0xFFFFFFFF) {
-+ /* Page is in use */
-+#ifndef YAFFS_IGNORE_TAGS_ECC
-+ {
-+ yaffs_ECCOther ecc;
-+ int result;
-+ yaffs_ECCCalculateOther((unsigned char *)&pt->t,
-+ sizeof
-+ (yaffs_PackedTags2TagsPart),
-+ &ecc);
-+ result =
-+ yaffs_ECCCorrectOther((unsigned char *)&pt->t,
-+ sizeof
-+ (yaffs_PackedTags2TagsPart),
-+ &pt->ecc, &ecc);
-+ switch (result) {
-+ case 0:
-+ eccResult = YAFFS_ECC_RESULT_NO_ERROR;
-+ break;
-+ case 1:
-+ eccResult = YAFFS_ECC_RESULT_FIXED;
-+ break;
-+ case -1:
-+ eccResult = YAFFS_ECC_RESULT_UNFIXED;
-+ break;
-+ default:
-+ eccResult = YAFFS_ECC_RESULT_UNKNOWN;
- }
- }
-+#endif
- }
-
-+ yaffs_UnpackTags2TagsPart(t, &pt->t);
-+
-+ t->eccResult = eccResult;
-+
- yaffs_DumpPackedTags2(pt);
- yaffs_DumpTags2(t);
-
- }
-+
---- a/fs/yaffs2/yaffs_packedtags2.h
-+++ b/fs/yaffs2/yaffs_packedtags2.h
-@@ -33,6 +33,11 @@ typedef struct {
- yaffs_ECCOther ecc;
- } yaffs_PackedTags2;
-
--void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t);
--void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt);
-+/* Full packed tags with ECC, used for oob tags */
-+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t);
-+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt);
-+
-+/* Only the tags part (no ECC for use with inband tags */
-+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
-+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt);
- #endif
---- a/fs/yaffs2/yaffs_qsort.c
-+++ b/fs/yaffs2/yaffs_qsort.c
-@@ -28,12 +28,12 @@
- */
-
- #include "yportenv.h"
--//#include <linux/string.h>
-+/* #include <linux/string.h> */
-
- /*
- * Qsort routine from Bentley & McIlroy's "Engineering a Sort Function".
- */
--#define swapcode(TYPE, parmi, parmj, n) { \
-+#define swapcode(TYPE, parmi, parmj, n) do { \
- long i = (n) / sizeof (TYPE); \
- register TYPE *pi = (TYPE *) (parmi); \
- register TYPE *pj = (TYPE *) (parmj); \
-@@ -41,28 +41,29 @@
- register TYPE t = *pi; \
- *pi++ = *pj; \
- *pj++ = t; \
-- } while (--i > 0); \
--}
-+ } while (--i > 0); \
-+} while (0)
-
- #define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \
-- es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;
-+ es % sizeof(long) ? 2 : es == sizeof(long) ? 0 : 1;
-
- static __inline void
- swapfunc(char *a, char *b, int n, int swaptype)
- {
- if (swaptype <= 1)
-- swapcode(long, a, b, n)
-+ swapcode(long, a, b, n);
- else
-- swapcode(char, a, b, n)
-+ swapcode(char, a, b, n);
- }
-
--#define swap(a, b) \
-+#define yswap(a, b) do { \
- if (swaptype == 0) { \
- long t = *(long *)(a); \
- *(long *)(a) = *(long *)(b); \
- *(long *)(b) = t; \
- } else \
-- swapfunc(a, b, es, swaptype)
-+ swapfunc(a, b, es, swaptype); \
-+} while (0)
-
- #define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype)
-
-@@ -70,12 +71,12 @@ static __inline char *
- med3(char *a, char *b, char *c, int (*cmp)(const void *, const void *))
- {
- return cmp(a, b) < 0 ?
-- (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))
-- :(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ));
-+ (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a))
-+ : (cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c));
- }
-
- #ifndef min
--#define min(a,b) (((a) < (b)) ? (a) : (b))
-+#define min(a, b) (((a) < (b)) ? (a) : (b))
- #endif
-
- void
-@@ -92,7 +93,7 @@ loop: SWAPINIT(a, es);
- for (pm = (char *)a + es; pm < (char *) a + n * es; pm += es)
- for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
- pl -= es)
-- swap(pl, pl - es);
-+ yswap(pl, pl - es);
- return;
- }
- pm = (char *)a + (n / 2) * es;
-@@ -107,7 +108,7 @@ loop: SWAPINIT(a, es);
- }
- pm = med3(pl, pm, pn, cmp);
- }
-- swap(a, pm);
-+ yswap(a, pm);
- pa = pb = (char *)a + es;
-
- pc = pd = (char *)a + (n - 1) * es;
-@@ -115,7 +116,7 @@ loop: SWAPINIT(a, es);
- while (pb <= pc && (r = cmp(pb, a)) <= 0) {
- if (r == 0) {
- swap_cnt = 1;
-- swap(pa, pb);
-+ yswap(pa, pb);
- pa += es;
- }
- pb += es;
-@@ -123,14 +124,14 @@ loop: SWAPINIT(a, es);
- while (pb <= pc && (r = cmp(pc, a)) >= 0) {
- if (r == 0) {
- swap_cnt = 1;
-- swap(pc, pd);
-+ yswap(pc, pd);
- pd -= es;
- }
- pc -= es;
- }
- if (pb > pc)
- break;
-- swap(pb, pc);
-+ yswap(pb, pc);
- swap_cnt = 1;
- pb += es;
- pc -= es;
-@@ -139,7 +140,7 @@ loop: SWAPINIT(a, es);
- for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es)
- for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
- pl -= es)
-- swap(pl, pl - es);
-+ yswap(pl, pl - es);
- return;
- }
-
-@@ -148,9 +149,11 @@ loop: SWAPINIT(a, es);
- vecswap(a, pb - r, r);
- r = min((long)(pd - pc), (long)(pn - pd - es));
- vecswap(pb, pn - r, r);
-- if ((r = pb - pa) > es)
-+ r = pb - pa;
-+ if (r > es)
- yaffs_qsort(a, r / es, es, cmp);
-- if ((r = pd - pc) > es) {
-+ r = pd - pc;
-+ if (r > es) {
- /* Iterate rather than recurse to save stack space */
- a = pn - r;
- n = r / es;
---- a/fs/yaffs2/yaffs_qsort.h
-+++ b/fs/yaffs2/yaffs_qsort.h
-@@ -17,7 +17,7 @@
- #ifndef __YAFFS_QSORT_H__
- #define __YAFFS_QSORT_H__
-
--extern void yaffs_qsort (void *const base, size_t total_elems, size_t size,
-- int (*cmp)(const void *, const void *));
-+extern void yaffs_qsort(void *const base, size_t total_elems, size_t size,
-+ int (*cmp)(const void *, const void *));
-
- #endif
---- a/fs/yaffs2/yaffs_tagscompat.c
-+++ b/fs/yaffs2/yaffs_tagscompat.c
-@@ -14,16 +14,17 @@
- #include "yaffs_guts.h"
- #include "yaffs_tagscompat.h"
- #include "yaffs_ecc.h"
-+#include "yaffs_getblockinfo.h"
-
--static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND);
-+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND);
- #ifdef NOTYET
--static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND);
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_Spare * spare);
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_Spare * spare);
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND);
-+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND);
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_Spare *spare);
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_Spare *spare);
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND);
- #endif
-
- static const char yaffs_countBitsTable[256] = {
-@@ -54,13 +55,13 @@ int yaffs_CountBits(__u8 x)
-
- /********** Tags ECC calculations *********/
-
--void yaffs_CalcECC(const __u8 * data, yaffs_Spare * spare)
-+void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare)
- {
- yaffs_ECCCalculate(data, spare->ecc1);
- yaffs_ECCCalculate(&data[256], spare->ecc2);
- }
-
--void yaffs_CalcTagsECC(yaffs_Tags * tags)
-+void yaffs_CalcTagsECC(yaffs_Tags *tags)
- {
- /* Calculate an ecc */
-
-@@ -74,9 +75,8 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags
- for (i = 0; i < 8; i++) {
- for (j = 1; j & 0xff; j <<= 1) {
- bit++;
-- if (b[i] & j) {
-+ if (b[i] & j)
- ecc ^= bit;
-- }
- }
- }
-
-@@ -84,7 +84,7 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags
-
- }
-
--int yaffs_CheckECCOnTags(yaffs_Tags * tags)
-+int yaffs_CheckECCOnTags(yaffs_Tags *tags)
- {
- unsigned ecc = tags->ecc;
-
-@@ -115,8 +115,8 @@ int yaffs_CheckECCOnTags(yaffs_Tags * ta
-
- /********** Tags **********/
-
--static void yaffs_LoadTagsIntoSpare(yaffs_Spare * sparePtr,
-- yaffs_Tags * tagsPtr)
-+static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr,
-+ yaffs_Tags *tagsPtr)
- {
- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
-
-@@ -132,8 +132,8 @@ static void yaffs_LoadTagsIntoSpare(yaff
- sparePtr->tagByte7 = tu->asBytes[7];
- }
-
--static void yaffs_GetTagsFromSpare(yaffs_Device * dev, yaffs_Spare * sparePtr,
-- yaffs_Tags * tagsPtr)
-+static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr,
-+ yaffs_Tags *tagsPtr)
- {
- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
- int result;
-@@ -148,21 +148,20 @@ static void yaffs_GetTagsFromSpare(yaffs
- tu->asBytes[7] = sparePtr->tagByte7;
-
- result = yaffs_CheckECCOnTags(tagsPtr);
-- if (result > 0) {
-+ if (result > 0)
- dev->tagsEccFixed++;
-- } else if (result < 0) {
-+ else if (result < 0)
- dev->tagsEccUnfixed++;
-- }
- }
-
--static void yaffs_SpareInitialise(yaffs_Spare * spare)
-+static void yaffs_SpareInitialise(yaffs_Spare *spare)
- {
- memset(spare, 0xFF, sizeof(yaffs_Spare));
- }
-
- static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev,
-- int chunkInNAND, const __u8 * data,
-- yaffs_Spare * spare)
-+ int chunkInNAND, const __u8 *data,
-+ yaffs_Spare *spare)
- {
- if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) {
- T(YAFFS_TRACE_ERROR,
-@@ -177,9 +176,9 @@ static int yaffs_WriteChunkToNAND(struct
-
- static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev,
- int chunkInNAND,
-- __u8 * data,
-- yaffs_Spare * spare,
-- yaffs_ECCResult * eccResult,
-+ __u8 *data,
-+ yaffs_Spare *spare,
-+ yaffs_ECCResult *eccResult,
- int doErrorCorrection)
- {
- int retVal;
-@@ -252,9 +251,11 @@ static int yaffs_ReadChunkFromNAND(struc
- /* Must allocate enough memory for spare+2*sizeof(int) */
- /* for ecc results from device. */
- struct yaffs_NANDSpare nspare;
-- retVal =
-- dev->readChunkFromNAND(dev, chunkInNAND, data,
-- (yaffs_Spare *) & nspare);
-+
-+ memset(&nspare, 0, sizeof(nspare));
-+
-+ retVal = dev->readChunkFromNAND(dev, chunkInNAND, data,
-+ (yaffs_Spare *) &nspare);
- memcpy(spare, &nspare, sizeof(yaffs_Spare));
- if (data && doErrorCorrection) {
- if (nspare.eccres1 > 0) {
-@@ -302,8 +303,7 @@ static int yaffs_ReadChunkFromNAND(struc
- static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
- int chunkInNAND)
- {
--
-- static int init = 0;
-+ static int init;
- static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK];
- static __u8 data[YAFFS_BYTES_PER_CHUNK];
- /* Might as well always allocate the larger size for */
-@@ -331,12 +331,12 @@ static int yaffs_CheckChunkErased(struct
- * Functions for robustisizing
- */
-
--static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND)
-+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND)
- {
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
-
- /* Mark the block for retirement */
-- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1;
-+ yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND));
-
-@@ -348,22 +348,22 @@ static void yaffs_HandleReadDataError(ya
- }
-
- #ifdef NOTYET
--static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND)
-+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND)
- {
- }
-
--static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
-- const __u8 * data,
-- const yaffs_Spare * spare)
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_Spare *spare)
- {
- }
-
--static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
-- const yaffs_Spare * spare)
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_Spare *spare)
- {
- }
-
--static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND)
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND)
- {
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
-
-@@ -373,8 +373,8 @@ static void yaffs_HandleWriteChunkError(
- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
- }
-
--static int yaffs_VerifyCompare(const __u8 * d0, const __u8 * d1,
-- const yaffs_Spare * s0, const yaffs_Spare * s1)
-+static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1,
-+ const yaffs_Spare *s0, const yaffs_Spare *s1)
- {
-
- if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 ||
-@@ -398,28 +398,35 @@ static int yaffs_VerifyCompare(const __u
- }
- #endif /* NOTYET */
-
--int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags *
-- eTags)
-+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *eTags)
- {
- yaffs_Spare spare;
- yaffs_Tags tags;
-
- yaffs_SpareInitialise(&spare);
-
-- if (eTags->chunkDeleted) {
-+ if (eTags->chunkDeleted)
- spare.pageStatus = 0;
-- } else {
-+ else {
- tags.objectId = eTags->objectId;
- tags.chunkId = eTags->chunkId;
-- tags.byteCount = eTags->byteCount;
-+
-+ tags.byteCountLSB = eTags->byteCount & 0x3ff;
-+
-+ if (dev->nDataBytesPerChunk >= 1024)
-+ tags.byteCountMSB = (eTags->byteCount >> 10) & 3;
-+ else
-+ tags.byteCountMSB = 3;
-+
-+
- tags.serialNumber = eTags->serialNumber;
-
-- if (!dev->useNANDECC && data) {
-+ if (!dev->useNANDECC && data)
- yaffs_CalcECC(data, &spare);
-- }
-+
- yaffs_LoadTagsIntoSpare(&spare, &tags);
-
- }
-@@ -427,15 +434,15 @@ int yaffs_TagsCompatabilityWriteChunkWit
- return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare);
- }
-
--int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
-+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
- int chunkInNAND,
-- __u8 * data,
-- yaffs_ExtendedTags * eTags)
-+ __u8 *data,
-+ yaffs_ExtendedTags *eTags)
- {
-
- yaffs_Spare spare;
- yaffs_Tags tags;
-- yaffs_ECCResult eccResult;
-+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN;
-
- static yaffs_Spare spareFF;
- static int init;
-@@ -466,7 +473,11 @@ int yaffs_TagsCompatabilityReadChunkWith
-
- eTags->objectId = tags.objectId;
- eTags->chunkId = tags.chunkId;
-- eTags->byteCount = tags.byteCount;
-+ eTags->byteCount = tags.byteCountLSB;
-+
-+ if (dev->nDataBytesPerChunk >= 1024)
-+ eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10);
-+
- eTags->serialNumber = tags.serialNumber;
- }
- }
-@@ -497,9 +508,9 @@ int yaffs_TagsCompatabilityMarkNANDBlock
- }
-
- int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
-- int blockNo, yaffs_BlockState *
-- state,
-- int *sequenceNumber)
-+ int blockNo,
-+ yaffs_BlockState *state,
-+ __u32 *sequenceNumber)
- {
-
- yaffs_Spare spare0, spare1;
---- a/fs/yaffs2/yaffs_tagscompat.h
-+++ b/fs/yaffs2/yaffs_tagscompat.h
-@@ -17,24 +17,23 @@
- #define __YAFFS_TAGSCOMPAT_H__
-
- #include "yaffs_guts.h"
--int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- const __u8 * data,
-- const yaffs_ExtendedTags *
-- tags);
--int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
-- int chunkInNAND,
-- __u8 * data,
-- yaffs_ExtendedTags *
-- tags);
-+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags);
-+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
-+ int chunkInNAND,
-+ __u8 *data,
-+ yaffs_ExtendedTags *tags);
- int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
- int blockNo);
- int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
-- int blockNo, yaffs_BlockState *
-- state, int *sequenceNumber);
-+ int blockNo,
-+ yaffs_BlockState *state,
-+ __u32 *sequenceNumber);
-
--void yaffs_CalcTagsECC(yaffs_Tags * tags);
--int yaffs_CheckECCOnTags(yaffs_Tags * tags);
-+void yaffs_CalcTagsECC(yaffs_Tags *tags);
-+int yaffs_CheckECCOnTags(yaffs_Tags *tags);
- int yaffs_CountBits(__u8 byte);
-
- #endif
---- a/fs/yaffs2/yaffs_tagsvalidity.c
-+++ b/fs/yaffs2/yaffs_tagsvalidity.c
-@@ -13,14 +13,14 @@
-
- #include "yaffs_tagsvalidity.h"
-
--void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
-+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags)
- {
- memset(tags, 0, sizeof(yaffs_ExtendedTags));
- tags->validMarker0 = 0xAAAAAAAA;
- tags->validMarker1 = 0x55555555;
- }
-
--int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
-+int yaffs_ValidateTags(yaffs_ExtendedTags *tags)
- {
- return (tags->validMarker0 == 0xAAAAAAAA &&
- tags->validMarker1 == 0x55555555);
---- a/fs/yaffs2/yaffs_tagsvalidity.h
-+++ b/fs/yaffs2/yaffs_tagsvalidity.h
-@@ -19,6 +19,6 @@
-
- #include "yaffs_guts.h"
-
--void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
--int yaffs_ValidateTags(yaffs_ExtendedTags * tags);
-+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
-+int yaffs_ValidateTags(yaffs_ExtendedTags *tags);
- #endif
---- a/fs/yaffs2/yportenv.h
-+++ b/fs/yaffs2/yportenv.h
-@@ -17,17 +17,28 @@
- #ifndef __YPORTENV_H__
- #define __YPORTENV_H__
-
-+/*
-+ * Define the MTD version in terms of Linux Kernel versions
-+ * This allows yaffs to be used independantly of the kernel
-+ * as well as with it.
-+ */
-+
-+#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
-+
- #if defined CONFIG_YAFFS_WINCE
-
- #include "ywinceenv.h"
-
--#elif defined __KERNEL__
-+#elif defined __KERNEL__
-
- #include "moduleconfig.h"
-
- /* Linux kernel */
-+
- #include <linux/version.h>
--#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-+#define MTD_VERSION_CODE LINUX_VERSION_CODE
-+
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
- #include <linux/config.h>
- #endif
- #include <linux/kernel.h>
-@@ -40,12 +51,13 @@
- #define YCHAR char
- #define YUCHAR unsigned char
- #define _Y(x) x
--#define yaffs_strcpy(a,b) strcpy(a,b)
--#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
--#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
--#define yaffs_strlen(s) strlen(s)
--#define yaffs_sprintf sprintf
--#define yaffs_toupper(a) toupper(a)
-+#define yaffs_strcat(a, b) strcat(a, b)
-+#define yaffs_strcpy(a, b) strcpy(a, b)
-+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-+#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
-+#define yaffs_strlen(s) strlen(s)
-+#define yaffs_sprintf sprintf
-+#define yaffs_toupper(a) toupper(a)
-
- #define Y_INLINE inline
-
-@@ -53,19 +65,19 @@
- #define YAFFS_LOSTNFOUND_PREFIX "obj"
-
- /* #define YPRINTF(x) printk x */
--#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
-+#define YMALLOC(x) kmalloc(x, GFP_NOFS)
- #define YFREE(x) kfree(x)
- #define YMALLOC_ALT(x) vmalloc(x)
- #define YFREE_ALT(x) vfree(x)
- #define YMALLOC_DMA(x) YMALLOC(x)
-
--// KR - added for use in scan so processes aren't blocked indefinitely.
-+/* KR - added for use in scan so processes aren't blocked indefinitely. */
- #define YYIELD() schedule()
-
- #define YAFFS_ROOT_MODE 0666
- #define YAFFS_LOSTNFOUND_MODE 0666
-
--#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
- #define Y_CURRENT_TIME CURRENT_TIME.tv_sec
- #define Y_TIME_CONVERT(x) (x).tv_sec
- #else
-@@ -73,11 +85,12 @@
- #define Y_TIME_CONVERT(x) (x)
- #endif
-
--#define yaffs_SumCompare(x,y) ((x) == (y))
--#define yaffs_strcmp(a,b) strcmp(a,b)
-+#define yaffs_SumCompare(x, y) ((x) == (y))
-+#define yaffs_strcmp(a, b) strcmp(a, b)
-
- #define TENDSTR "\n"
- #define TSTR(x) KERN_WARNING x
-+#define TCONT(x) x
- #define TOUT(p) printk p
-
- #define yaffs_trace(mask, fmt, args...) \
-@@ -90,6 +103,8 @@
-
- #elif defined CONFIG_YAFFS_DIRECT
-
-+#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22)
-+
- /* Direct interface */
- #include "ydirectenv.h"
-
-@@ -111,11 +126,12 @@
- #define YCHAR char
- #define YUCHAR unsigned char
- #define _Y(x) x
--#define yaffs_strcpy(a,b) strcpy(a,b)
--#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
--#define yaffs_strlen(s) strlen(s)
--#define yaffs_sprintf sprintf
--#define yaffs_toupper(a) toupper(a)
-+#define yaffs_strcat(a, b) strcat(a, b)
-+#define yaffs_strcpy(a, b) strcpy(a, b)
-+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-+#define yaffs_strlen(s) strlen(s)
-+#define yaffs_sprintf sprintf
-+#define yaffs_toupper(a) toupper(a)
-
- #define Y_INLINE inline
-
-@@ -133,8 +149,8 @@
- #define YAFFS_ROOT_MODE 0666
- #define YAFFS_LOSTNFOUND_MODE 0666
-
--#define yaffs_SumCompare(x,y) ((x) == (y))
--#define yaffs_strcmp(a,b) strcmp(a,b)
-+#define yaffs_SumCompare(x, y) ((x) == (y))
-+#define yaffs_strcmp(a, b) strcmp(a, b)
-
- #else
- /* Should have specified a configuration type */
-@@ -178,10 +194,10 @@ extern unsigned int yaffs_wr_attempts;
- #define YAFFS_TRACE_ALWAYS 0xF0000000
-
-
--#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
-+#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
-
--#ifndef CONFIG_YAFFS_WINCE
--#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
-+#ifndef YBUG
-+#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0)
- #endif
-
- #endif
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