diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-11-28 15:33:38 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-11-29 15:42:58 -0800 |
| commit | 26787236b36660baf4d136281d40b5bb33a570ec (patch) | |
| tree | 435509146c5e3fe116de2c84d15fe1bd48622f43 /fs/f2fs/file.c | |
| parent | 8508e44ae98622f841f5ef29d0bf3d5db4e0c1cc (diff) | |
f2fs: do not activate auto_recovery for fallocated i_size
If a file needs to keep its i_size by fallocate, we need to turn off auto
recovery during roll-forward recovery.
This will resolve the below scenario.
1. xfs_io -f /mnt/f2fs/file -c "pwrite 0 4096" -c "fsync"
2. xfs_io -f /mnt/f2fs/file -c "falloc -k 4096 4096" -c "fsync"
3. md5sum /mnt/f2fs/file;
4. godown /mnt/f2fs/
5. umount /mnt/f2fs/
6. mount -t f2fs /dev/sdx /mnt/f2fs
7. md5sum /mnt/f2fs/file
Reported-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 3d37333306a5..9053a9c5a47e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1399,6 +1399,8 @@ static long f2fs_fallocate(struct file *file, int mode, if (!ret) { inode->i_mtime = inode->i_ctime = current_time(inode); f2fs_mark_inode_dirty_sync(inode, false); + if (mode & FALLOC_FL_KEEP_SIZE) + file_set_keep_isize(inode); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); } |