---- 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
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