[PATCH] Drop useless bio passing in may_queue/set_request API

It's not needed for anything, so kill the bio passing.

Signed-off-by: Jens Axboe <axboe@suse.de>
diff --git a/block/as-iosched.c b/block/as-iosched.c
index 02eb9333..66015bc 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -1284,7 +1284,7 @@
 	spin_unlock_irqrestore(q->queue_lock, flags);
 }
 
-static int as_may_queue(request_queue_t *q, int rw, struct bio *bio)
+static int as_may_queue(request_queue_t *q, int rw)
 {
 	int ret = ELV_MQUEUE_MAY;
 	struct as_data *ad = q->elevator->elevator_data;