diff --git a/fs/mount.h b/fs/mount.h
index e9c37dd..630fafc 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -6,6 +6,7 @@
 	atomic_t		count;
 	struct mount *	root;
 	struct list_head	list;
+	struct user_namespace	*user_ns;
 	u64			seq;	/* Sequence number to prevent loops */
 	wait_queue_head_t poll;
 	int event;