12 int blk_rq_append_bio(struct request_queue *q, struct request *rq,  in blk_rq_append_bio()  argument
16 		blk_rq_bio_prep(q, rq, bio);  in blk_rq_append_bio()
17 	else if (!ll_back_merge_fn(q, rq, bio))  in blk_rq_append_bio()
63 int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,  in blk_rq_map_user_iov()  argument
84 		if (uaddr & queue_dma_alignment(q))  in blk_rq_map_user_iov()
88 	if (unaligned || (q->dma_pad_mask & iter->count) || map_data)  in blk_rq_map_user_iov()
89 		bio = bio_copy_user_iov(q, map_data, iter, gfp_mask);  in blk_rq_map_user_iov()
91 		bio = bio_map_user_iov(q, iter, gfp_mask);  in blk_rq_map_user_iov()
114 	blk_queue_bounce(q, &bio);  in blk_rq_map_user_iov()
116 	blk_rq_bio_prep(q, rq, bio);  in blk_rq_map_user_iov()
121 int blk_rq_map_user(struct request_queue *q, struct request *rq,  in blk_rq_map_user()  argument
132 	return blk_rq_map_user_iov(q, rq, map_data, &i, gfp_mask);  in blk_rq_map_user()
181 int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,  in blk_rq_map_kern()  argument
190 	if (len > (queue_max_hw_sectors(q) << 9))  in blk_rq_map_kern()
195 	do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf);  in blk_rq_map_kern()
197 		bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);  in blk_rq_map_kern()
199 		bio = bio_map_kern(q, kbuf, len, gfp_mask);  in blk_rq_map_kern()
210 	ret = blk_rq_append_bio(q, rq, bio);  in blk_rq_map_kern()
217 	blk_queue_bounce(q, &rq->bio);  in blk_rq_map_kern()