blk_mq_request_bypass_insert
blk_mq_request_bypass_insert(rq, 0);
blk_mq_request_bypass_insert(rq, flags);
blk_mq_request_bypass_insert(rq, BLK_MQ_INSERT_AT_HEAD);
blk_mq_request_bypass_insert(rq, 0);
blk_mq_request_bypass_insert(rq, 0);
blk_mq_request_bypass_insert(rq, 0);
static void blk_mq_request_bypass_insert(struct request *rq,