NVME_LOOP_Q_LIVE
bool queue_ready = test_bit(NVME_LOOP_Q_LIVE, &queue->flags);
if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags))
clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags);
set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags);
set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);