--- src/sys/vfs/gnu/ext2fs/ext2_vfsops.c	2006/12/23 00:41:29	1.52
+++ src/sys/vfs/gnu/ext2fs/ext2_vfsops.c	2007/05/09 00:53:35	1.53
@@ -711,7 +711,7 @@ ext2_mountfs(struct vnode *devvp, struct
 	 */
 	if ((error = vfs_mountedon(devvp)) != 0)
 		return (error);
-	if (count_udev(devvp->v_udev) > 0)
+	if (count_udev(devvp->v_umajor, devvp->v_uminor) > 0)
 		return (EBUSY);
 	if ((error = vinvalbuf(devvp, V_SAVE, 0, 0)) != 0)
 		return (error);