diff --git a/fs/mount.h b/fs/mount.h
index e037981..d2e25d7 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -14,6 +14,8 @@
 	u64			seq;	/* Sequence number to prevent loops */
 	wait_queue_head_t poll;
 	u64 event;
+	unsigned int		mounts; /* # of mounts in the namespace */
+	unsigned int		pending_mounts;
 };
 
 struct mnt_pcp {