diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index 702ff91be1cc..cab1f683411e 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: mount.h,v 1.189 2009/04/29 15:44:55 dyoung Exp $	*/
+/*	$NetBSD: mount.h,v 1.190 2009/06/26 16:55:46 dyoung Exp $	*/
 
 /*
  * Copyright (c) 1989, 1991, 1993
@@ -126,6 +126,7 @@ struct mount {
 	struct wapbl	*mnt_wapbl;		/* log info */
 	struct wapbl_replay
 			*mnt_wapbl_replay;	/* replay support XXX: what? */
+	uint64_t	mnt_gen;
 };
 
 /*
@@ -389,8 +390,10 @@ int	vfs_fhtovp(fhandle_t *, struct vnode **);
 int	vfs_mountedon(struct vnode *);/* is a vfs mounted on vp */
 int	vfs_mountroot(void);
 void	vfs_shutdown(void);	    /* unmount and sync file systems */
+void	vfs_sync_all(struct lwp *);
 bool	vfs_unmountall(struct lwp *);	    /* unmount file systems */
 bool	vfs_unmountall1(struct lwp *, bool, bool);
+bool	vfs_unmount_forceone(struct lwp *);
 int 	vfs_busy(struct mount *, struct mount **);
 int	vfs_rootmountalloc(const char *, const char *, struct mount **);
 void	vfs_unbusy(struct mount *, bool, struct mount **);