nvme_add_ctrl
ret = nvme_add_ctrl(&anv->ctrl);
EXPORT_SYMBOL_GPL(nvme_add_ctrl);
ret = nvme_add_ctrl(&ctrl->ctrl);
int nvme_add_ctrl(struct nvme_ctrl *ctrl);
result = nvme_add_ctrl(&dev->ctrl);
ret = nvme_add_ctrl(&ctrl->ctrl);
ret = nvme_add_ctrl(&ctrl->ctrl);
ret = nvme_add_ctrl(&ctrl->ctrl);