204 static int bsg_map_buffer(struct bsg_buffer *buf, struct request *req)  in bsg_map_buffer()  argument
206 	size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);  in bsg_map_buffer()
208 	BUG_ON(!req->nr_phys_segments);  in bsg_map_buffer()
213 	sg_init_table(buf->sg_list, req->nr_phys_segments);  in bsg_map_buffer()
214 	buf->sg_cnt = blk_rq_map_sg(req->q, req, buf->sg_list);  in bsg_map_buffer()
215 	buf->payload_len = blk_rq_bytes(req);  in bsg_map_buffer()
224 static bool bsg_prepare_job(struct device *dev, struct request *req)  in bsg_prepare_job()  argument
226 	struct bsg_job *job = blk_mq_rq_to_pdu(req);  in bsg_prepare_job()
229 	job->timeout = req->timeout;  in bsg_prepare_job()
231 	if (req->bio) {  in bsg_prepare_job()
232 		ret = bsg_map_buffer(&job->request_payload, req);  in bsg_prepare_job()
269 	struct request *req = bd->rq;  in bsg_queue_rq()  local
275 	blk_mq_start_request(req);  in bsg_queue_rq()
280 	if (!bsg_prepare_job(dev, req))  in bsg_queue_rq()
283 	ret = bset->job_fn(blk_mq_rq_to_pdu(req));  in bsg_queue_rq()
293 static int bsg_init_rq(struct blk_mq_tag_set *set, struct request *req,  in bsg_init_rq()  argument
296 	struct bsg_job *job = blk_mq_rq_to_pdu(req);  in bsg_init_rq()
305 static void bsg_initialize_rq(struct request *req)  in bsg_initialize_rq()  argument
307 	struct bsg_job *job = blk_mq_rq_to_pdu(req);  in bsg_initialize_rq()
316 static void bsg_exit_rq(struct blk_mq_tag_set *set, struct request *req,  in bsg_exit_rq()  argument
319 	struct bsg_job *job = blk_mq_rq_to_pdu(req);  in bsg_exit_rq()