blk_mq_sched_try_insert_merge
if (blk_mq_sched_try_insert_merge(q, rq, &free)) {
EXPORT_SYMBOL_GPL(blk_mq_sched_try_insert_merge);
bool blk_mq_sched_try_insert_merge(struct request_queue *q, struct request *rq,
if (blk_mq_sched_try_insert_merge(q, rq, free))