btrfs: fix btrfs_mkdir goto for no free objectids

btrfs_mkdir() must jump to the place of ending transaction after
btrfs_find_free_objectid() failed. Or this transaction can't end.

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

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3657925..50ce884 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4508,7 +4508,7 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
        err = btrfs_find_free_objectid(trans, root, dir->i_ino, &objectid);
        if (err) {
                err = -ENOSPC;
-               goto out_unlock;
+               goto out_fail;
        }
 
        inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,