btrfs: qgroup: Drop fs_info parameter from btrfs_add_qgroup_relation

It can be fetched from the transaction handle.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/ioctl.c

@@ -5171,8 +5171,7 @@ static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg)
 	}
 
 	if (sa->assign) {
-		ret = btrfs_add_qgroup_relation(trans, fs_info,
-						sa->src, sa->dst);
+		ret = btrfs_add_qgroup_relation(trans, sa->src, sa->dst);
 	} else {
 		ret = btrfs_del_qgroup_relation(trans, fs_info,
 						sa->src, sa->dst);