block: remove the unused lock argument to rq_qos_throttle

Unused now that the legacy request path is gone.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 2 insertions, 3 deletions

diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index 0005dfd568dd..f8a4d3fbb98c 100644
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c
@@ -67,14 +67,13 @@ void rq_qos_requeue(struct request_queue *q, struct request *rq)
         }
 }
 
-void rq_qos_throttle(struct request_queue *q, struct bio *bio,
-                     spinlock_t *lock)
+void rq_qos_throttle(struct request_queue *q, struct bio *bio)
 {
         struct rq_qos *rqos;
 
         for(rqos = q->rq_qos; rqos; rqos = rqos->next) {
                 if (rqos->ops->throttle)
-                        rqos->ops->throttle(rqos, bio, lock);
+                        rqos->ops->throttle(rqos, bio);
         }
 }