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authorLi Zefan <lizf@cn.fujitsu.com>2011-12-14 20:12:02 -0500
committerChris Mason <chris.mason@oracle.com>2011-12-15 10:50:37 -0500
commit306424cc880a0fbbdc99eee1f43d056a301a180f (patch)
tree7c6b3b851fcd325c65724f3a7875311407998a6d /fs
parentf8e9e0b07be0464e12366631da3da73a1a62449c (diff)
Btrfs: fix ctime update of on-disk inode
To reproduce the bug: # touch /mnt/tmp # stat /mnt/tmp | grep Change Change: 2011-12-09 09:32:23.412105981 +0800 # chattr +i /mnt/tmp # stat /mnt/tmp | grep Change Change: 2011-12-09 09:32:43.198105295 +0800 # umount /mnt # mount /dev/loop1 /mnt # stat /mnt/tmp | grep Change Change: 2011-12-09 09:32:23.412105981 +0800 We should update ctime of in-memory inode before calling btrfs_update_inode(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ioctl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 72d461656f6..40eaa9fdf07 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -252,11 +252,11 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
+ btrfs_update_iflags(inode);
+ inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, root, inode);
BUG_ON(ret);
- btrfs_update_iflags(inode);
- inode->i_ctime = CURRENT_TIME;
btrfs_end_transaction(trans, root);
mnt_drop_write(file->f_path.mnt);