blk-mq: Remove blk_mq_sched_move_to_dispatch()

commit c13660a ("blk-mq-sched: change ->dispatch_requests()
to ->dispatch_request()") removed the last user of this function.
Hence also remove the function itself.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

block/blk-mq-sched.c

@@ -190,22 +190,6 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx)
 	}
 }
 
-void blk_mq_sched_move_to_dispatch(struct blk_mq_hw_ctx *hctx,
-				   struct list_head *rq_list,
-				   struct request *(*get_rq)(struct blk_mq_hw_ctx *))
-{
-	do {
-		struct request *rq;
-
-		rq = get_rq(hctx);
-		if (!rq)
-			break;
-
-		list_add_tail(&rq->queuelist, rq_list);
-	} while (1);
-}
-EXPORT_SYMBOL_GPL(blk_mq_sched_move_to_dispatch);
-
 bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio,
 			    struct request **merged_request)
 {

block/blk-mq-sched.h

@@ -24,9 +24,6 @@ void blk_mq_sched_insert_requests(struct request_queue *q,
 				  struct list_head *list, bool run_queue_async);
 
 void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx);
-void blk_mq_sched_move_to_dispatch(struct blk_mq_hw_ctx *hctx,
-			struct list_head *rq_list,
-			struct request *(*get_rq)(struct blk_mq_hw_ctx *));
 
 int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e);
 void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e);