21 int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e);
22 void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e);
41 		struct elevator_queue *e = q->elevator;  in blk_mq_sched_allow_merge()  local
43 		if (e->type->ops.allow_merge)  in blk_mq_sched_allow_merge()
44 			return e->type->ops.allow_merge(q, rq, bio);  in blk_mq_sched_allow_merge()
52 		struct elevator_queue *e = rq->q->elevator;  in blk_mq_sched_completed_request()  local
54 		if (e->type->ops.completed_request)  in blk_mq_sched_completed_request()
55 			e->type->ops.completed_request(rq, now);  in blk_mq_sched_completed_request()
63 		struct elevator_queue *e = q->elevator;  in blk_mq_sched_requeue_request()  local
65 		if (e->type->ops.requeue_request)  in blk_mq_sched_requeue_request()
66 			e->type->ops.requeue_request(rq);  in blk_mq_sched_requeue_request()
72 	struct elevator_queue *e = hctx->queue->elevator;  in blk_mq_sched_has_work()  local
74 	if (e && e->type->ops.has_work)  in blk_mq_sched_has_work()
75 		return e->type->ops.has_work(hctx);  in blk_mq_sched_has_work()