30 int blk_rq_append_bio(struct request_queue *q, struct request *rq,  in blk_rq_append_bio()  argument
33 	if (!rq->bio)  in blk_rq_append_bio()
34 		blk_rq_bio_prep(q, rq, bio);  in blk_rq_append_bio()
35 	else if (!ll_back_merge_fn(q, rq, bio))  in blk_rq_append_bio()
38 		rq->biotail->bi_next = bio;  in blk_rq_append_bio()
39 		rq->biotail = bio;  in blk_rq_append_bio()
41 		rq->__data_len += bio->bi_iter.bi_size;  in blk_rq_append_bio()
81 int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,  in blk_rq_map_user_iov()  argument
137 		rq->cmd_flags |= REQ_COPY_USER;  in blk_rq_map_user_iov()
141 	blk_rq_bio_prep(q, rq, bio);  in blk_rq_map_user_iov()
146 int blk_rq_map_user(struct request_queue *q, struct request *rq,  in blk_rq_map_user()  argument
152 	int ret = import_single_range(rq_data_dir(rq), ubuf, len, &iov, &i);  in blk_rq_map_user()
157 	return blk_rq_map_user_iov(q, rq, map_data, &i, gfp_mask);  in blk_rq_map_user()
206 int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,  in blk_rq_map_kern()  argument
209 	int reading = rq_data_dir(rq) == READ;  in blk_rq_map_kern()
233 		rq->cmd_flags |= REQ_COPY_USER;  in blk_rq_map_kern()
235 	ret = blk_rq_append_bio(q, rq, bio);  in blk_rq_map_kern()
242 	blk_queue_bounce(q, &rq->bio);  in blk_rq_map_kern()