--- /dev/null
+--- a/fs/yaffs2/yaffs_vfs_glue.c
++++ b/fs/yaffs2/yaffs_vfs_glue.c
+@@ -243,11 +243,10 @@ static inline void yaffs_dec_link_count(
+ }
+ #endif
+
+-
+ #define update_dir_time(dir) do {\
+ (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
+ } while(0)
+-
++
+ static void yaffs_put_super(struct super_block *sb);
+
+ static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
+@@ -397,6 +396,33 @@ static struct address_space_operations y
+ #endif
+ };
+
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
++#define YCRED_FSUID() from_kuid(&init_user_ns, current_fsuid())
++#define YCRED_FSGID() from_kgid(&init_user_ns, current_fsgid())
++#else
++#define YCRED_FSUID() YCRED(current)->fsuid
++#define YCRED_FSGID() YCRED(current)->fsgid
++
++static inline uid_t i_uid_read(const struct inode *inode)
++{
++ return inode->i_uid;
++}
++
++static inline gid_t i_gid_read(const struct inode *inode)
++{
++ return inode->i_gid;
++}
++
++static inline void i_uid_write(struct inode *inode, uid_t uid)
++{
++ inode->i_uid = uid;
++}
++
++static inline void i_gid_write(struct inode *inode, gid_t gid)
++{
++ inode->i_gid = gid;
++}
++#endif
+
+ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
+ static const struct file_operations yaffs_file_operations = {
+@@ -549,7 +575,7 @@ static unsigned yaffs_gc_control_callbac
+ {
+ return yaffs_gc_control;
+ }
+-
++
+ static void yaffs_gross_lock(yaffs_dev_t *dev)
+ {
+ T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
+@@ -1379,8 +1405,8 @@ static void yaffs_fill_inode_from_obj(st
+
+ inode->i_ino = obj->obj_id;
+ inode->i_mode = obj->yst_mode;
+- inode->i_uid = obj->yst_uid;
+- inode->i_gid = obj->yst_gid;
++ i_uid_write(inode, obj->yst_uid);
++ i_gid_write(inode, obj->yst_gid);
+ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
+ inode->i_blksize = inode->i_sb->s_blocksize;
+ #endif
+@@ -1406,7 +1432,7 @@ static void yaffs_fill_inode_from_obj(st
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
+- inode->i_mode, inode->i_uid, inode->i_gid,
++ inode->i_mode, i_uid_read(inode), i_gid_read(inode),
+ (int)inode->i_size, atomic_read(&inode->i_count)));
+
+ switch (obj->yst_mode & S_IFMT) {
+@@ -1715,8 +1741,8 @@ static int yaffs_mknod(struct inode *dir
+ yaffs_obj_t *parent = yaffs_InodeToObject(dir);
+
+ int error = -ENOSPC;
+- uid_t uid = YCRED(current)->fsuid;
+- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
++ uid_t uid = YCRED_FSUID();
++ gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
+
+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
+ mode |= S_ISGID;
+@@ -1892,8 +1918,8 @@ static int yaffs_symlink(struct inode *d
+ {
+ yaffs_obj_t *obj;
+ yaffs_dev_t *dev;
+- uid_t uid = YCRED(current)->fsuid;
+- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
++ uid_t uid = YCRED_FSUID();
++ gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
+
+@@ -2009,7 +2035,7 @@ static int yaffs_setattr(struct dentry *
+ (TSTR("yaffs_setattr of object %d\n"),
+ yaffs_InodeToObject(inode)->obj_id));
+
+- /* Fail if a requested resize >= 2GB */
++ /* Fail if a requested resize >= 2GB */
+ if (attr->ia_valid & ATTR_SIZE &&
+ (attr->ia_size >> 31))
+ error = -EINVAL;
+@@ -2240,7 +2266,7 @@ static void yaffs_flush_inodes(struct su
+ {
+ struct inode *iptr;
+ yaffs_obj_t *obj;
+-
++
+ list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){
+ obj = yaffs_InodeToObject(iptr);
+ if(obj){
+@@ -2254,10 +2280,10 @@ static void yaffs_flush_inodes(struct su
+
+ static void yaffs_flush_super(struct super_block *sb, int do_checkpoint)
+ {
+- yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ if(!dev)
+ return;
+-
++
+ yaffs_flush_inodes(sb);
+ yaffs_update_dirty_dirs(dev);
+ yaffs_flush_whole_cache(dev);
+@@ -2325,7 +2351,7 @@ static int yaffs_do_sync_fs(struct super
+ * yaffs_bg_start() launches the background thread.
+ * yaffs_bg_stop() cleans up the background thread.
+ *
+- * NB:
++ * NB:
+ * The thread should only run after the yaffs is initialised
+ * The thread should be stopped before yaffs is unmounted.
+ * The thread should not do any writing while the fs is in read only.
+@@ -2924,7 +2950,7 @@ static struct super_block *yaffs_interna
+
+ dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL);
+ context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL);
+-
++
+ if(!dev || !context ){
+ if(dev)
+ kfree(dev);
+@@ -2957,7 +2983,7 @@ static struct super_block *yaffs_interna
+ #else
+ sb->u.generic_sbp = dev;
+ #endif
+-
++
+ dev->driver_context = mtd;
+ param->name = mtd->name;
+
+@@ -3057,7 +3083,7 @@ static struct super_block *yaffs_interna
+ param->gc_control = yaffs_gc_control_callback;
+
+ yaffs_dev_to_lc(dev)->superBlock= sb;
+-
++
+
+ #ifndef CONFIG_YAFFS_DOES_ECC
+ param->use_nand_ecc = 1;
+@@ -3099,10 +3125,10 @@ static struct super_block *yaffs_interna
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_read_super: guts initialised %s\n"),
+ (err == YAFFS_OK) ? "OK" : "FAILED"));
+-
++
+ if(err == YAFFS_OK)
+ yaffs_bg_start(dev);
+-
++
+ if(!context->bgThread)
+ param->defered_dir_update = 0;
+
+@@ -3345,7 +3371,7 @@ static int yaffs_proc_read(char *page,
+ buf += sprintf(buf,"\n");
+ else {
+ step-=2;
+-
++
+ mutex_lock(&yaffs_context_lock);
+
+ /* Locate and print the Nth entry. Order N-squared but N is small. */
+@@ -3362,7 +3388,7 @@ static int yaffs_proc_read(char *page,
+ buf = yaffs_dump_dev_part0(buf, dev);
+ } else
+ buf = yaffs_dump_dev_part1(buf, dev);
+-
++
+ break;
+ }
+ mutex_unlock(&yaffs_context_lock);
+@@ -3389,7 +3415,7 @@ static int yaffs_stats_proc_read(char *p
+ int erasedChunks;
+
+ erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
+-
++
+ buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n",
+ n, dev->n_free_chunks, erasedChunks,
+ dev->bg_gcs, dev->oldest_dirty_gc_count,
+--- a/fs/yaffs2/yaffs_guts.c
++++ b/fs/yaffs2/yaffs_guts.c
+@@ -370,7 +370,7 @@ static int yaffs_verify_chunk_written(ya
+ yaffs_ext_tags tempTags;
+ __u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__);
+ int result;
+-
++
+ result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags);
+ if(memcmp(buffer,data,dev->data_bytes_per_chunk) ||
+ tempTags.obj_id != tags->obj_id ||
+@@ -424,7 +424,7 @@ static int yaffs_write_new_chunk(struct
+ * lot of checks that are most likely not needed.
+ *
+ * Mods to the above
+- * If an erase check fails or the write fails we skip the
++ * If an erase check fails or the write fails we skip the
+ * rest of the block.
+ */
+
+@@ -486,7 +486,7 @@ static int yaffs_write_new_chunk(struct
+ }
+
+
+-
++
+ /*
+ * Block retiring for handling a broken block.
+ */
+@@ -496,7 +496,7 @@ static void yaffs_retire_block(yaffs_dev
+ yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block);
+
+ yaffs2_checkpt_invalidate(dev);
+-
++
+ yaffs2_clear_oldest_dirty_seq(dev,bi);
+
+ if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) {
+@@ -899,7 +899,7 @@ static int yaffs_find_chunk_in_group(yaf
+ for (j = 0; theChunk && j < dev->chunk_grp_size; j++) {
+ if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block,
+ theChunk % dev->param.chunks_per_block)) {
+-
++
+ if(dev->chunk_grp_size == 1)
+ return theChunk;
+ else {
+@@ -1802,7 +1802,7 @@ int yaffs_rename_obj(yaffs_obj_t *old_di
+ yaffs_update_parent(old_dir);
+ if(new_dir != old_dir)
+ yaffs_update_parent(new_dir);
+-
++
+ return result;
+ }
+ return YAFFS_FAIL;
+@@ -2125,7 +2125,7 @@ static int yaffs_gc_block(yaffs_dev_t *d
+
+ if(bi->block_state == YAFFS_BLOCK_STATE_FULL)
+ bi->block_state = YAFFS_BLOCK_STATE_COLLECTING;
+-
++
+ bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */
+
+ dev->gc_disable = 1;
+@@ -2207,7 +2207,7 @@ static int yaffs_gc_block(yaffs_dev_t *d
+ * No need to copy this, just forget about it and
+ * fix up the object.
+ */
+-
++
+ /* Free chunks already includes softdeleted chunks.
+ * How ever this chunk is going to soon be really deleted
+ * which will increment free chunks.
+@@ -2752,7 +2752,7 @@ int yaffs_put_chunk_in_file(yaffs_obj_t
+ NULL);
+ if (!tn)
+ return YAFFS_FAIL;
+-
++
+ if(!nand_chunk)
+ /* Dummy insert, bail now */
+ return YAFFS_OK;
+@@ -2881,7 +2881,7 @@ void yaffs_chunk_del(yaffs_dev_t *dev, i
+ chunk_id));
+
+ bi = yaffs_get_block_info(dev, block);
+-
++
+ yaffs2_update_oldest_dirty_seq(dev, block, bi);
+
+ T(YAFFS_TRACE_DELETION,
+@@ -2966,8 +2966,8 @@ static int yaffs_wr_data_obj(yaffs_obj_t
+ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes));
+ YBUG();
+ }
+-
+-
++
++
+ newChunkId =
+ yaffs_write_new_chunk(dev, buffer, &newTags,
+ useReserve);
+@@ -3795,14 +3795,14 @@ int yaffs_resize_file(yaffs_obj_t *in, l
+
+ if (new_size == oldFileSize)
+ return YAFFS_OK;
+-
++
+ if(new_size > oldFileSize){
+ yaffs2_handle_hole(in,new_size);
+ in->variant.file_variant.file_size = new_size;
+ } else {
+- /* new_size < oldFileSize */
++ /* new_size < oldFileSize */
+ yaffs_resize_file_down(in, new_size);
+- }
++ }
+
+ /* Write a new object header to reflect the resize.
+ * show we've shrunk the file, if need be
+@@ -4231,7 +4231,7 @@ static void yaffs_strip_deleted_objs(yaf
+ * This fixes the problem where directories might have inadvertently been deleted
+ * leaving the object "hanging" without being rooted in the directory tree.
+ */
+-
++
+ static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj)
+ {
+ return (obj == dev->del_dir ||
+@@ -4262,7 +4262,7 @@ static void yaffs_fix_hanging_objs(yaffs
+ if (lh) {
+ obj = ylist_entry(lh, yaffs_obj_t, hash_link);
+ parent= obj->parent;
+-
++
+ if(yaffs_has_null_parent(dev,obj)){
+ /* These directories are not hanging */
+ hanging = 0;
+@@ -4311,7 +4311,7 @@ static void yaffs_del_dir_contents(yaffs
+
+ if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
+-
++
+ ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) {
+ if (lh) {
+ obj = ylist_entry(lh, yaffs_obj_t, siblings);
+@@ -4325,10 +4325,10 @@ static void yaffs_del_dir_contents(yaffs
+ /* Need to use UnlinkObject since Delete would not handle
+ * hardlinked objects correctly.
+ */
+- yaffs_unlink_obj(obj);
++ yaffs_unlink_obj(obj);
+ }
+ }
+-
++
+ }
+
+ static void yaffs_empty_l_n_f(yaffs_dev_t *dev)
+@@ -4410,7 +4410,7 @@ static void yaffs_check_obj_details_load
+ * If the directory updating is defered then yaffs_update_dirty_dirs must be
+ * called periodically.
+ */
+-
++
+ static void yaffs_update_parent(yaffs_obj_t *obj)
+ {
+ yaffs_dev_t *dev;
+@@ -4422,8 +4422,8 @@ static void yaffs_update_parent(yaffs_ob
+ obj->dirty = 1;
+ obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME;
+ if(dev->param.defered_dir_update){
+- struct ylist_head *link = &obj->variant.dir_variant.dirty;
+-
++ struct ylist_head *link = &obj->variant.dir_variant.dirty;
++
+ if(ylist_empty(link)){
+ ylist_add(link,&dev->dirty_dirs);
+ T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id));
+@@ -4446,7 +4446,7 @@ void yaffs_update_dirty_dirs(yaffs_dev_t
+ while(!ylist_empty(&dev->dirty_dirs)){
+ link = dev->dirty_dirs.next;
+ ylist_del_init(link);
+-
++
+ dS=ylist_entry(link,yaffs_dir_s,dirty);
+ oV = ylist_entry(dS,yaffs_obj_variant,dir_variant);
+ obj = ylist_entry(oV,yaffs_obj_t,variant);
+@@ -4474,7 +4474,7 @@ static void yaffs_remove_obj_from_dir(ya
+
+ ylist_del_init(&obj->siblings);
+ obj->parent = NULL;
+-
++
+ yaffs_verify_dir(parent);
+ }
+
+@@ -4645,7 +4645,7 @@ yaffs_obj_t *yaffs_get_equivalent_obj(ya
+ * system to share files.
+ *
+ * These automatic unicode are stored slightly differently...
+- * - If the name can fit in the ASCII character space then they are saved as
++ * - If the name can fit in the ASCII character space then they are saved as
+ * ascii names as per above.
+ * - If the name needs Unicode then the name is saved in Unicode
+ * starting at oh->name[1].
+@@ -4686,7 +4686,7 @@ static void yaffs_load_name_from_oh(yaff
+ asciiOhName++;
+ n--;
+ }
+- } else
++ } else
+ yaffs_strncpy(name,ohName+1, bufferSize -1);
+ } else
+ #endif
+@@ -4705,7 +4705,7 @@ static void yaffs_load_oh_from_name(yaff
+
+ isAscii = 1;
+ w = name;
+-
++
+ /* Figure out if the name will fit in ascii character set */
+ while(isAscii && *w){
+ if((*w) & 0xff00)
+@@ -4729,7 +4729,7 @@ static void yaffs_load_oh_from_name(yaff
+ yaffs_strncpy(ohName+1,name, YAFFS_MAX_NAME_LENGTH -2);
+ }
+ }
+- else
++ else
+ #endif
+ yaffs_strncpy(ohName,name, YAFFS_MAX_NAME_LENGTH - 1);
+
+@@ -4738,12 +4738,12 @@ static void yaffs_load_oh_from_name(yaff
+ int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size)
+ {
+ memset(name, 0, buffer_size * sizeof(YCHAR));
+-
++
+ yaffs_check_obj_details_loaded(obj);
+
+ if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
+ yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
+- }
++ }
+ #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
+ else if (obj->short_name[0]) {
+ yaffs_strcpy(name, obj->short_name);
+@@ -4861,9 +4861,9 @@ int yaffs_set_attribs(yaffs_obj_t *obj,
+ if (valid & ATTR_MODE)
+ obj->yst_mode = attr->ia_mode;
+ if (valid & ATTR_UID)
+- obj->yst_uid = attr->ia_uid;
++ obj->yst_uid = ia_uid_read(attr);
+ if (valid & ATTR_GID)
+- obj->yst_gid = attr->ia_gid;
++ obj->yst_gid = ia_gid_read(attr);
+
+ if (valid & ATTR_ATIME)
+ obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime);
+@@ -4886,9 +4886,9 @@ int yaffs_get_attribs(yaffs_obj_t *obj,
+
+ attr->ia_mode = obj->yst_mode;
+ valid |= ATTR_MODE;
+- attr->ia_uid = obj->yst_uid;
++ ia_uid_write(attr, obj->yst_uid);
+ valid |= ATTR_UID;
+- attr->ia_gid = obj->yst_gid;
++ ia_gid_write(attr, obj->yst_gid);
+ valid |= ATTR_GID;
+
+ Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime;
+--- a/fs/yaffs2/yportenv.h
++++ b/fs/yaffs2/yportenv.h
+@@ -170,7 +170,7 @@
+ #define O_RDWR 02
+ #endif
+
+-#ifndef O_CREAT
++#ifndef O_CREAT
+ #define O_CREAT 0100
+ #endif
+
+@@ -218,7 +218,7 @@
+ #define EACCES 13
+ #endif
+
+-#ifndef EXDEV
++#ifndef EXDEV
+ #define EXDEV 18
+ #endif
+
+@@ -281,7 +281,7 @@
+ #define S_IFREG 0100000
+ #endif
+
+-#ifndef S_IREAD
++#ifndef S_IREAD
+ #define S_IREAD 0000400
+ #endif
+
+--- a/fs/yaffs2/devextras.h
++++ b/fs/yaffs2/devextras.h
+@@ -87,6 +87,8 @@ struct iattr {
+ unsigned int ia_attr_flags;
+ };
+
++/* TODO: add ia_* functions */
++
+ #endif
+
+ #else
+@@ -95,7 +97,48 @@ struct iattr {
+ #include <linux/fs.h>
+ #include <linux/stat.h>
+
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
++static inline uid_t ia_uid_read(const struct iattr *iattr)
++{
++ return from_kuid(&init_user_ns, iattr->ia_uid);
++}
++
++static inline gid_t ia_gid_read(const struct iattr *iattr)
++{
++ return from_kgid(&init_user_ns, iattr->ia_gid);
++}
++
++static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
++{
++ iattr->ia_uid = make_kuid(&init_user_ns, uid);
++}
++
++static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
++{
++ iattr->ia_gid = make_kgid(&init_user_ns, gid);
++}
++#else
++static inline uid_t ia_uid_read(const struct iattr *iattr)
++{
++ return iattr->ia_uid;
++}
++
++static inline gid_t ia_gid_read(const struct iattr *inode)
++{
++ return iattr->ia_gid;
++}
++
++static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
++{
++ iattr->ia_uid = uid;
++}
++
++static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
++{
++ iattr->ia_gid = gid;
++}
+ #endif
+
++#endif
+
+ #endif
projects / openwrt.git / blobdiff