40 		struct request_queue *q, struct blk_mq_ctx *ctx)  in blk_get_flush_queue()  argument
44 	if (!q->mq_ops)  in blk_get_flush_queue()
45 		return q->fq;  in blk_get_flush_queue()
47 	hctx = q->mq_ops->map_queue(q, ctx->cpu);  in blk_get_flush_queue()
52 static inline void __blk_get_queue(struct request_queue *q)  in __blk_get_queue()  argument
54 	kobject_get(&q->kobj);  in __blk_get_queue()
57 struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
59 void blk_free_flush_queue(struct blk_flush_queue *q);
61 int blk_init_rl(struct request_list *rl, struct request_queue *q,
65 void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
67 int blk_rq_append_bio(struct request_queue *q, struct request *rq,
69 void blk_queue_bypass_start(struct request_queue *q);
70 void blk_queue_bypass_end(struct request_queue *q);
72 void __blk_queue_free_tags(struct request_queue *q);
75 void blk_freeze_queue(struct request_queue *q);
77 static inline void blk_queue_enter_live(struct request_queue *q)  in blk_queue_enter_live()  argument
85 	percpu_ref_get(&q->q_usage_counter);  in blk_queue_enter_live()
102 bool bio_attempt_front_merge(struct request_queue *q, struct request *req,
104 bool bio_attempt_back_merge(struct request_queue *q, struct request *req,
106 bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
109 unsigned int blk_plug_queued_count(struct request_queue *q);
144 static inline struct request *__elv_next_request(struct request_queue *q)  in __elv_next_request()  argument
147 	struct blk_flush_queue *fq = blk_get_flush_queue(q, NULL);  in __elv_next_request()
150 		if (!list_empty(&q->queue_head)) {  in __elv_next_request()
151 			rq = list_entry_rq(q->queue_head.next);  in __elv_next_request()
171 				!queue_flush_queueable(q)) {  in __elv_next_request()
175 		if (unlikely(blk_queue_bypass(q)) ||  in __elv_next_request()
176 		    !q->elevator->type->ops.elevator_dispatch_fn(q, 0))  in __elv_next_request()
181 static inline void elv_activate_rq(struct request_queue *q, struct request *rq)  in elv_activate_rq()  argument
183 	struct elevator_queue *e = q->elevator;  in elv_activate_rq()
186 		e->type->ops.elevator_activate_req_fn(q, rq);  in elv_activate_rq()
189 static inline void elv_deactivate_rq(struct request_queue *q, struct request *rq)  in elv_deactivate_rq()  argument
191 	struct elevator_queue *e = q->elevator;  in elv_deactivate_rq()
194 		e->type->ops.elevator_deactivate_req_fn(q, rq);  in elv_deactivate_rq()
203 static inline int blk_should_fake_timeout(struct request_queue *q)  in blk_should_fake_timeout()  argument
209 int ll_back_merge_fn(struct request_queue *q, struct request *req,
211 int ll_front_merge_fn(struct request_queue *q, struct request *req, 
213 int attempt_back_merge(struct request_queue *q, struct request *rq);
214 int attempt_front_merge(struct request_queue *q, struct request *rq);
215 int blk_attempt_req_merge(struct request_queue *q, struct request *rq,
222 void blk_queue_congestion_threshold(struct request_queue *q);
232 static inline int queue_congestion_on_threshold(struct request_queue *q)  in queue_congestion_on_threshold()  argument
234 	return q->nr_congestion_on;  in queue_congestion_on_threshold()
240 static inline int queue_congestion_off_threshold(struct request_queue *q)  in queue_congestion_off_threshold()  argument
242 	return q->nr_congestion_off;  in queue_congestion_off_threshold()
265 struct io_cq *ioc_lookup_icq(struct io_context *ioc, struct request_queue *q);
266 struct io_cq *ioc_create_icq(struct io_context *ioc, struct request_queue *q,
268 void ioc_clear_queue(struct request_queue *q);
296 extern void blk_throtl_drain(struct request_queue *q);
297 extern int blk_throtl_init(struct request_queue *q);
298 extern void blk_throtl_exit(struct request_queue *q);
300 static inline void blk_throtl_drain(struct request_queue *q) { }  in blk_throtl_drain()  argument
301 static inline int blk_throtl_init(struct request_queue *q) { return 0; }  in blk_throtl_init()  argument
302 static inline void blk_throtl_exit(struct request_queue *q) { }  in blk_throtl_exit()  argument