diff --git a/fs/pnode.h b/fs/pnode.h
index c62c72f..9b88ba0 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -29,4 +29,6 @@
 void change_mnt_propagation(struct vfsmount *, int);
 int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *,
 		struct list_head *);
+int propagate_umount(struct list_head *);
+int propagate_mount_busy(struct vfsmount *, int);
 #endif /* _LINUX_PNODE_H */