nvme_format_req_init
if (!nvme_format_req_init(npa->npa_ctrl, &req)) {
extern bool nvme_format_req_init(nvme_ctrl_t *, nvme_format_req_t **);
if (nvme_format_req_init(ctrl, reqp)) {
if (!nvme_format_req_init(ctrl, &req)) {
if (!nvme_format_req_init(ctrl, &format_req)) {