SCCS-vsn: sys/ufs/mfs/mfsnode.h 7.11
#define mfs_valloc ((int (*) __P((struct vop_valloc_args *)))mfs_badop)
#define mfs_vfree ((int (*) __P((struct vop_vfree_args *)))mfs_badop)
#define mfs_truncate ((int (*) __P((struct vop_truncate_args *)))mfs_badop)
#define mfs_valloc ((int (*) __P((struct vop_valloc_args *)))mfs_badop)
#define mfs_vfree ((int (*) __P((struct vop_vfree_args *)))mfs_badop)
#define mfs_truncate ((int (*) __P((struct vop_truncate_args *)))mfs_badop)
-#define mfs_update ((int (*) __P((struct vop_update_args *)))nullop)
-#define mfs_bwrite ((int (*) __P((struct vop_bwrite_args *)))nullop)
+#define mfs_update ((int (*) __P((struct vop_update_args *)))mfs_badop)
+#define mfs_bwrite ((int (*) __P((struct vop_bwrite_args *)))vn_bwrite)