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,
65 void blk_dequeue_request(struct request *rq);
67 bool __blk_end_bidi_request(struct request *rq, int error,
99 static inline int blk_mark_rq_complete(struct request *rq)  in blk_mark_rq_complete()  argument
101 	return test_and_set_bit(REQ_ATOM_COMPLETE, &rq->atomic_flags);  in blk_mark_rq_complete()
104 static inline void blk_clear_rq_complete(struct request *rq)  in blk_clear_rq_complete()  argument
106 	clear_bit(REQ_ATOM_COMPLETE, &rq->atomic_flags);  in blk_clear_rq_complete()
112 #define ELV_ON_HASH(rq) ((rq)->cmd_flags & REQ_HASHED)  argument
114 void blk_insert_flush(struct request *rq);
118 	struct request *rq;  in __elv_next_request()  local
123 			rq = list_entry_rq(q->queue_head.next);  in __elv_next_request()
124 			return rq;  in __elv_next_request()
153 static inline void elv_activate_rq(struct request_queue *q, struct request *rq)  in elv_activate_rq()  argument
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
166 		e->type->ops.elevator_deactivate_req_fn(q, rq);  in elv_deactivate_rq()
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,
189 void blk_recalc_rq_segments(struct request *rq);
190 void blk_rq_set_mixed_merge(struct request *rq);
191 bool blk_rq_merge_ok(struct request *rq, struct bio *bio);
192 int blk_try_merge(struct request *rq, struct bio *bio);
228 static inline int blk_do_io_stat(struct request *rq)  in blk_do_io_stat()  argument
230 	return rq->rq_disk &&  in blk_do_io_stat()
231 	       (rq->cmd_flags & REQ_IO_STAT) &&  in blk_do_io_stat()
232 		(rq->cmd_type == REQ_TYPE_FS);  in blk_do_io_stat()