nvme_poll_completions
nvme_poll_completions(req->comq, lk);
nvme_poll_completions(req->comq, lk);
nvme_poll_completions(comq, &comq->lk);
void nvme_poll_completions(nvme_comqueue_t *queue, struct lock *lk);
nvme_poll_completions(comq, &comq->lk);
nvme_poll_completions(comq, &comq->lk);