--- linux/drivers/block/cciss.c~	Tue Aug 21 14:56:34 2001
+++ linux/drivers/block/cciss.c	Tue Aug 21 14:56:41 2001
@@ -1225,7 +1225,7 @@
 static int cpq_back_merge_fn(request_queue_t *q, struct request *rq,
                              struct buffer_head *bh, int max_segments)
 {
-	if (bh_physs(rq->bhtail) + rq->bhtail->b_size == bh_phys(bh))
+	if (bh_phys(rq->bhtail) + rq->bhtail->b_size == bh_phys(bh))
                 return 1;
         return cpq_new_segment(q, rq, max_segments);
 }