NVME_REQ_SUBMITTED
req->state = NVME_REQ_SUBMITTED;
while (req->state == NVME_REQ_SUBMITTED) {
if (req->state != NVME_REQ_SUBMITTED)
while (req->state == NVME_REQ_SUBMITTED) {
if (req->state != NVME_REQ_SUBMITTED)
KKASSERT(req->state == NVME_REQ_SUBMITTED &&
if (req->state == NVME_REQ_SUBMITTED) {