diff --git a/sys/kern/subr_bufq.c b/sys/kern/subr_bufq.c
index affbfbb2c7c1..482fc29faa6c 100644
--- a/sys/kern/subr_bufq.c
+++ b/sys/kern/subr_bufq.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: subr_bufq.c,v 1.4 2005/10/16 00:30:03 yamt Exp $	*/
+/*	$NetBSD: subr_bufq.c,v 1.5 2005/10/16 02:02:23 yamt Exp $	*/
 /*	NetBSD: subr_disk.c,v 1.70 2005/08/20 12:00:01 yamt Exp $	*/
 
 /*-
@@ -75,7 +75,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_bufq.c,v 1.4 2005/10/16 00:30:03 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_bufq.c,v 1.5 2005/10/16 02:02:23 yamt Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -157,6 +157,7 @@ bufq_alloc(struct bufq_state **bufqp, const char *strategy, int flags)
 
 	*bufqp = bufq = malloc(sizeof(*bufq), M_DEVBUF, M_WAITOK | M_ZERO);
 	bufq->bq_flags = flags;
+	bufq->bq_strat = bsp;
 	(*bsp->bs_initfn)(bufq);
 
 out:
@@ -214,6 +215,31 @@ bufq_free(struct bufq_state *bufq)
 	free(bufq, M_DEVBUF);
 }
 
+#if 0
+/*
+ * get a strategy identifier of a buffer queue.
+ */
+const char *
+bufq_getstrategyname(struct bufq_state *bufq)
+{
+
+	return bufq->bq_strat->bs_name;
+}
+
+/*
+ * move all requests on a buffer queue to another.
+ */
+void
+bufq_move(struct bufq_state *dst, struct bufq_state *src)
+{
+	struct buf *bp;
+
+	while ((bp = BUFQ_GET(src)) != NULL) {
+		BUFQ_PUT(dst, bp);
+	}
+}
+#endif
+
 /*
  * sysctl function that will print all bufq strategies
  * built in the kernel.
diff --git a/sys/sys/bufq.h b/sys/sys/bufq.h
index 6131d2d9e48b..dc5f3bfb7661 100644
--- a/sys/sys/bufq.h
+++ b/sys/sys/bufq.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: bufq.h,v 1.4 2005/10/15 17:29:26 yamt Exp $	*/
+/*	$NetBSD: bufq.h,v 1.5 2005/10/16 02:02:23 yamt Exp $	*/
 /*	NetBSD: buf.h,v 1.75 2004/09/18 16:40:11 yamt Exp 	*/
 
 /*-
@@ -103,6 +103,8 @@ void	bufq_free(struct bufq_state *);
 void	bufq_put(struct bufq_state *, struct buf *);
 struct buf *bufq_get(struct bufq_state *);
 struct buf *bufq_peek(struct bufq_state *);
+const char *bufq_getstrategyname(struct bufq_state *);
+void	bufq_move(struct bufq_state *, struct bufq_state *);
 
 /* Put buffer in queue */
 #define BUFQ_PUT(bufq, bp)	bufq_put(bufq, bp)
diff --git a/sys/sys/bufq_impl.h b/sys/sys/bufq_impl.h
index e28ab4b373b0..bc3d953988cf 100644
--- a/sys/sys/bufq_impl.h
+++ b/sys/sys/bufq_impl.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: bufq_impl.h,v 1.1 2005/10/15 17:29:26 yamt Exp $	*/
+/*	$NetBSD: bufq_impl.h,v 1.2 2005/10/16 02:02:23 yamt Exp $	*/
 /*	NetBSD: bufq.h,v 1.3 2005/03/31 11:28:53 yamt Exp	*/
 /*	NetBSD: buf.h,v 1.75 2004/09/18 16:40:11 yamt Exp 	*/
 
@@ -79,6 +79,8 @@
 #error not supposed to be exposed to userland.
 #endif
 
+struct bufq_strat;
+
 /*
  * Device driver buffer queue.
  */
@@ -87,6 +89,7 @@ struct bufq_state {
 	struct buf *(*bq_get)(struct bufq_state *, int);
 	void *bq_private;
 	int bq_flags;			/* Flags from bufq_alloc() */
+	const struct bufq_strat *bq_strat;
 };
 
 static __inline void *bufq_private(const struct bufq_state *) __unused;