diff --git a/sys/kern/vfs_export.c b/sys/kern/vfs_export.c
index bb95ab3724d4..03cb4d11c022 100644
--- a/sys/kern/vfs_export.c
+++ b/sys/kern/vfs_export.c
@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)vfs_subr.c	8.31 (Berkeley) 5/26/95
- * $Id: vfs_subr.c,v 1.75 1997/02/27 16:08:43 bde Exp $
+ * $Id: vfs_subr.c,v 1.76 1997/03/02 11:06:22 bde Exp $
  */
 
 /*
@@ -1644,6 +1644,7 @@ printlockedvnodes()
 }
 #endif
 
+#ifdef notyet
 static int
 sysctl_vfs_conf SYSCTL_HANDLER_ARGS
 {
@@ -1662,18 +1663,10 @@ sysctl_vfs_conf SYSCTL_HANDLER_ARGS
 
 SYSCTL_PROC(_vfs, VFS_VFSCONF, vfsconf, CTLTYPE_OPAQUE|CTLFLAG_RD,
 	0, 0, sysctl_vfs_conf, "S,vfsconf", "");
+#endif
 
 #ifndef NO_COMPAT_PRELITE2
 
-#define OVFS_MAXNAMELEN 32
-struct ovfsconf {
-	void *vfc_vfsops;
-	char vfc_name[OVFS_MAXNAMELEN];
-	int vfc_index;
-	int vfc_refcount;
-	int vfc_flags;
-};
-
 static int
 sysctl_ovfs_conf SYSCTL_HANDLER_ARGS
 {
@@ -1696,7 +1689,7 @@ sysctl_ovfs_conf SYSCTL_HANDLER_ARGS
 	return 0;
 }
 
-SYSCTL_PROC(_vfs, VFS_OVFSCONF, ovfsconf, CTLTYPE_OPAQUE|CTLFLAG_RD,
+SYSCTL_PROC(_vfs, VFS_VFSCONF, ovfsconf, CTLTYPE_OPAQUE|CTLFLAG_RD,
 	0, 0, sysctl_ovfs_conf, "S,ovfsconf", "");
 
 #endif /* !NO_COMPAT_PRELITE2 */
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index bb95ab3724d4..03cb4d11c022 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)vfs_subr.c	8.31 (Berkeley) 5/26/95
- * $Id: vfs_subr.c,v 1.75 1997/02/27 16:08:43 bde Exp $
+ * $Id: vfs_subr.c,v 1.76 1997/03/02 11:06:22 bde Exp $
  */
 
 /*
@@ -1644,6 +1644,7 @@ printlockedvnodes()
 }
 #endif
 
+#ifdef notyet
 static int
 sysctl_vfs_conf SYSCTL_HANDLER_ARGS
 {
@@ -1662,18 +1663,10 @@ sysctl_vfs_conf SYSCTL_HANDLER_ARGS
 
 SYSCTL_PROC(_vfs, VFS_VFSCONF, vfsconf, CTLTYPE_OPAQUE|CTLFLAG_RD,
 	0, 0, sysctl_vfs_conf, "S,vfsconf", "");
+#endif
 
 #ifndef NO_COMPAT_PRELITE2
 
-#define OVFS_MAXNAMELEN 32
-struct ovfsconf {
-	void *vfc_vfsops;
-	char vfc_name[OVFS_MAXNAMELEN];
-	int vfc_index;
-	int vfc_refcount;
-	int vfc_flags;
-};
-
 static int
 sysctl_ovfs_conf SYSCTL_HANDLER_ARGS
 {
@@ -1696,7 +1689,7 @@ sysctl_ovfs_conf SYSCTL_HANDLER_ARGS
 	return 0;
 }
 
-SYSCTL_PROC(_vfs, VFS_OVFSCONF, ovfsconf, CTLTYPE_OPAQUE|CTLFLAG_RD,
+SYSCTL_PROC(_vfs, VFS_VFSCONF, ovfsconf, CTLTYPE_OPAQUE|CTLFLAG_RD,
 	0, 0, sysctl_ovfs_conf, "S,ovfsconf", "");
 
 #endif /* !NO_COMPAT_PRELITE2 */
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index a397d4ade657..99dfe83eeee7 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)mount.h	8.21 (Berkeley) 5/20/95
- *	$Id$
+ *	$Id: mount.h,v 1.39 1997/02/22 09:45:35 peter Exp $
  */
 
 #ifndef _SYS_MOUNT_H_
@@ -214,12 +214,11 @@ struct mount {
  * Sysctl CTL_VFS definitions.
  *
  * Second level identifier specifies which filesystem. Second level
- * identifier VFS_GENERIC returns information about all filesystems.
+ * identifier VFS_VFSCONF returns information about all filesystems.
+ * Second level identifier VFS_GENERIC is non-terminal.
  */
-#ifdef notyet
+#define	VFS_VFSCONF		0	/* get configured filesystems */
 #define	VFS_GENERIC		0	/* generic filesystem information */
-#endif
-#define VFS_OVFSCONF	0	/* for backward compatibility w/ FreeBSD 2.1 */
 /*
  * Third level identifiers for VFS_GENERIC are given below; third
  * level identifiers for specific filesystems are given in their
@@ -228,7 +227,6 @@ struct mount {
 #define VFS_MAXTYPENUM	1	/* int: highest defined filesystem type */
 #define VFS_CONF	2	/* struct: vfsconf for filesystem given
 				   as next argument */
-#define VFS_VFSCONF	3	/* for backward compatibility w/ FreeBSD 2.1 */
 
 /*
  * Flags for various system call interfaces.
@@ -274,6 +272,14 @@ struct vfsconf {
 	struct	vfsconf *vfc_next;	/* next in list */
 };
 
+struct ovfsconf {
+	void	*vfc_vfsops;
+	char	vfc_name[32];
+	int	vfc_index;
+	int	vfc_refcount;
+	int	vfc_flags;
+};
+
 /*
  * NB: these flags refer to IMPLEMENTATION properties, not properties of
  * any actual mounts; i.e., it does not make sense to change the flags.
@@ -422,14 +428,24 @@ int	fstatfs __P((int, struct statfs *));
 int	getfh __P((const char *, fhandle_t *));
 int	getfsstat __P((struct statfs *, long, int));
 int	getmntinfo __P((struct statfs **, int));
+#ifdef _NEW_VFSCONF
 int	mount __P((const char *, const char *, int, void *));
+#else
+int	mount __P((int, const char *, int, void *));
+#endif
 int	statfs __P((const char *, struct statfs *));
 int	unmount __P((const char *, int));
 
 /* C library stuff */
-struct	vfsconf *getvfsbyname __P((const char *));
-struct	vfsconf *getvfsbytype __P((int));
-struct	vfsconf *getvfsent __P((void));
+#ifdef _NEW_VFSCONF
+#define	getvfsbyname(name, vfsp)	new_getvfsbyname((name), (vfsp))
+int	new_getvfsbyname __P((const char *, struct vfsconf *));
+#else
+#define	vfsconf	ovfsconf
+struct	ovfsconf *getvfsbyname __P((const char *));
+struct	ovfsconf *getvfsbytype __P((int));
+struct	ovfsconf *getvfsent __P((void));
+#endif
 void	setvfsent __P((int));
 void	endvfsent __P((void));
 int	vfsisloadable __P((const char *));