nvme_request_allocate_contig
req = nvme_request_allocate_contig(&ctrlr->adminq, buf, len,
req = nvme_request_allocate_contig(qpair, buf, len, cb_fn, cb_arg);
nvme_request_allocate_contig(struct nvme_qpair *qpair,
req = nvme_request_allocate_contig(qpair, payload,
req = nvme_request_allocate_contig(qpair, payload,
req = nvme_request_allocate_contig(qpair, payload,
req = nvme_request_allocate_contig(qpair, payload,
req = nvme_request_allocate_contig(qpair, payload, len, cb_fn, cb_arg);
return nvme_request_allocate_contig(qpair, NULL, 0, cb_fn, cb_arg);