diff options
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r-- | fs/ext4/namei.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 798b3ac680db..6660686e505a 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -34,6 +34,7 @@ #include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/bio.h> +#include <linux/iversion.h> #include "ext4.h" #include "ext4_jbd2.h" @@ -1399,6 +1400,10 @@ static struct buffer_head * ext4_find_entry (struct inode *dir, "falling back\n")); } nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb); + if (!nblocks) { + ret = NULL; + goto cleanup_and_exit; + } start = EXT4_I(dir)->i_dir_start_lookup; if (start >= nblocks) start = 0; @@ -2955,7 +2960,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry) "empty directory '%.*s' has too many links (%u)", dentry->d_name.len, dentry->d_name.name, inode->i_nlink); - inode->i_version++; + inode_inc_iversion(inode); clear_nlink(inode); /* There's no need to set i_disksize: the fact that i_nlink is * zero will ensure that the right thing happens during any @@ -3361,7 +3366,7 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent, ent->de->inode = cpu_to_le32(ino); if (ext4_has_feature_filetype(ent->dir->i_sb)) ent->de->file_type = file_type; - ent->dir->i_version++; + inode_inc_iversion(ent->dir); ent->dir->i_ctime = ent->dir->i_mtime = current_time(ent->dir); ext4_mark_inode_dirty(handle, ent->dir); |