block: remove 'q' parameter from kblockd_schedule_*_work()

The queue parameter is never used, just get rid of it.
Signed-off-by: Jens Axboe <axboe@fb.com>

block/blk-core.c

@@ -2904,14 +2904,14 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
 }
 EXPORT_SYMBOL_GPL(blk_rq_prep_clone);
 
-int kblockd_schedule_work(struct request_queue *q, struct work_struct *work)
+int kblockd_schedule_work(struct work_struct *work)
 {
 	return queue_work(kblockd_workqueue, work);
 }
 EXPORT_SYMBOL(kblockd_schedule_work);
 
-int kblockd_schedule_delayed_work(struct request_queue *q,
-			struct delayed_work *dwork, unsigned long delay)
+int kblockd_schedule_delayed_work(struct delayed_work *dwork,
+				  unsigned long delay)
 {
 	return queue_delayed_work(kblockd_workqueue, dwork, delay);
 }

block/blk-flush.c

@@ -144,7 +144,7 @@ static bool blk_flush_queue_rq(struct request *rq, bool add_front)
 {
 	if (rq->q->mq_ops) {
 		INIT_WORK(&rq->mq_flush_work, mq_flush_run);
-		kblockd_schedule_work(rq->q, &rq->mq_flush_work);
+		kblockd_schedule_work(&rq->mq_flush_work);
 		return false;
 	} else {
 		if (add_front)

block/blk-mq.c

@@ -608,11 +608,8 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
 
 	if (!async)
 		__blk_mq_run_hw_queue(hctx);
-	else {
-		struct request_queue *q = hctx->queue;
-
-		kblockd_schedule_delayed_work(q, &hctx->delayed_work, 0);
-	}
+	else
+		kblockd_schedule_delayed_work(&hctx->delayed_work, 0);
 }
 
 void blk_mq_run_queues(struct request_queue *q, bool async)

block/cfq-iosched.c

@@ -908,7 +908,7 @@ static inline void cfq_schedule_dispatch(struct cfq_data *cfqd)
 {
 	if (cfqd->busy_queues) {
 		cfq_log(cfqd, "schedule dispatch");
-		kblockd_schedule_work(cfqd->queue, &cfqd->unplug_work);
+		kblockd_schedule_work(&cfqd->unplug_work);
 	}
 }
 

drivers/scsi/scsi_lib.c

@@ -139,7 +139,7 @@ static void __scsi_queue_insert(struct scsi_cmnd *cmd, int reason, int unbusy)
 	 */
 	spin_lock_irqsave(q->queue_lock, flags);
 	blk_requeue_request(q, cmd->request);
-	kblockd_schedule_work(q, &device->requeue_work);
+	kblockd_schedule_work(&device->requeue_work);
 	spin_unlock_irqrestore(q->queue_lock, flags);
 }
 

include/linux/blkdev.h

@@ -1359,8 +1359,8 @@ static inline void put_dev_sector(Sector p)
 }
 
 struct work_struct;
-int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
-int kblockd_schedule_delayed_work(struct request_queue *q, struct delayed_work *dwork, unsigned long delay);
+int kblockd_schedule_work(struct work_struct *work);
+int kblockd_schedule_delayed_work(struct delayed_work *dwork, unsigned long delay);
 
 #ifdef CONFIG_BLK_CGROUP
 /*