Index: linux-2.6.9-rc4-ck1/drivers/block/ll_rw_blk.c
===================================================================
--- linux-2.6.9-rc4-ck1.orig/drivers/block/ll_rw_blk.c	2004-10-11 16:19:46.000000000 +1000
+++ linux-2.6.9-rc4-ck1/drivers/block/ll_rw_blk.c	2004-10-11 23:38:03.292170781 +1000
@@ -100,7 +100,7 @@ static void blk_queue_congestion_thresho
 		nr = q->nr_requests;
 	q->nr_congestion_on = nr;
 
-	nr = q->nr_requests - (q->nr_requests / 8) - 1;
+	nr = q->nr_requests - (q->nr_requests / 8) - (q->nr_requests/16)- 1;
 	if (nr < 1)
 		nr = 1;
 	q->nr_congestion_off = nr;