Btrfs: fix wrong mtime and ctime when creating snapshots

When we created a new snapshot, the mtime and ctime of its parent directory
were not updated. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 7208ada41e0ec3655b4832dcb019e2a7c0e10796..3ee8d58e97ad788d34d12ee455ef3348362525a6 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1026,6 +1026,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 
        btrfs_i_size_write(parent_inode, parent_inode->i_size +
                                         dentry->d_name.len * 2);
+       parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
        ret = btrfs_update_inode(trans, parent_root, parent_inode);
        if (ret)
                goto abort_trans_dput;