34 		struct request_queue *q, struct blk_mq_ctx *ctx)  in blk_get_flush_queue()  argument
38 	if (!q->mq_ops)  in blk_get_flush_queue()
39 		return q->fq;  in blk_get_flush_queue()
41 	hctx = q->mq_ops->map_queue(q, ctx->cpu);  in blk_get_flush_queue()
46 static inline void __blk_get_queue(struct request_queue *q)  in __blk_get_queue()  argument
48 	kobject_get(&q->kobj);  in __blk_get_queue()
51 struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
53 void blk_free_flush_queue(struct blk_flush_queue *q);
55 int blk_init_rl(struct request_list *rl, struct request_queue *q,
59 void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
61 int blk_rq_append_bio(struct request_queue *q, struct request *rq,
63 void blk_queue_bypass_start(struct request_queue *q);
64 void blk_queue_bypass_end(struct request_queue *q);
66 void __blk_queue_free_tags(struct request_queue *q);
76 bool bio_attempt_front_merge(struct request_queue *q, struct request *req,
78 bool bio_attempt_back_merge(struct request_queue *q, struct request *req,
80 bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
116 static inline struct request *__elv_next_request(struct request_queue *q)  in __elv_next_request()  argument
119 	struct blk_flush_queue *fq = blk_get_flush_queue(q, NULL);  in __elv_next_request()
122 		if (!list_empty(&q->queue_head)) {  in __elv_next_request()
123 			rq = list_entry_rq(q->queue_head.next);  in __elv_next_request()
143 				!queue_flush_queueable(q)) {  in __elv_next_request()
147 		if (unlikely(blk_queue_bypass(q)) ||  in __elv_next_request()
148 		    !q->elevator->type->ops.elevator_dispatch_fn(q, 0))  in __elv_next_request()
153 static inline void elv_activate_rq(struct request_queue *q, struct request *rq)  in elv_activate_rq()  argument
155 	struct elevator_queue *e = q->elevator;  in elv_activate_rq()
158 		e->type->ops.elevator_activate_req_fn(q, rq);  in elv_activate_rq()
161 static inline void elv_deactivate_rq(struct request_queue *q, struct request *rq)  in elv_deactivate_rq()  argument
163 	struct elevator_queue *e = q->elevator;  in elv_deactivate_rq()
166 		e->type->ops.elevator_deactivate_req_fn(q, rq);  in elv_deactivate_rq()
175 static inline int blk_should_fake_timeout(struct request_queue *q)  in blk_should_fake_timeout()  argument
181 int ll_back_merge_fn(struct request_queue *q, struct request *req,
183 int ll_front_merge_fn(struct request_queue *q, struct request *req, 
185 int attempt_back_merge(struct request_queue *q, struct request *rq);
186 int attempt_front_merge(struct request_queue *q, struct request *rq);
187 int blk_attempt_req_merge(struct request_queue *q, struct request *rq,
194 void blk_queue_congestion_threshold(struct request_queue *q);
196 void __blk_run_queue_uncond(struct request_queue *q);
206 static inline int queue_congestion_on_threshold(struct request_queue *q)  in queue_congestion_on_threshold()  argument
208 	return q->nr_congestion_on;  in queue_congestion_on_threshold()
214 static inline int queue_congestion_off_threshold(struct request_queue *q)  in queue_congestion_off_threshold()  argument
216 	return q->nr_congestion_off;  in queue_congestion_off_threshold()
239 struct io_cq *ioc_lookup_icq(struct io_context *ioc, struct request_queue *q);
240 struct io_cq *ioc_create_icq(struct io_context *ioc, struct request_queue *q,
242 void ioc_clear_queue(struct request_queue *q);
270 extern bool blk_throtl_bio(struct request_queue *q, struct bio *bio);
271 extern void blk_throtl_drain(struct request_queue *q);
272 extern int blk_throtl_init(struct request_queue *q);
273 extern void blk_throtl_exit(struct request_queue *q);
275 static inline bool blk_throtl_bio(struct request_queue *q, struct bio *bio)  in blk_throtl_bio()  argument
279 static inline void blk_throtl_drain(struct request_queue *q) { }  in blk_throtl_drain()  argument
280 static inline int blk_throtl_init(struct request_queue *q) { return 0; }  in blk_throtl_init()  argument
281 static inline void blk_throtl_exit(struct request_queue *q) { }  in blk_throtl_exit()  argument