nvme_ctrl_ns_init
if (!nvme_ctrl_ns_init(npa->npa_nvme, npa->npa_name, &npa->npa_ctrl,
extern bool nvme_ctrl_ns_init(nvme_t *, const char *, nvme_ctrl_t **,
if (!nvme_ctrl_ns_init(nvme, dev, &ctrl, NULL)) {