NVME_WDC_E6_REQ_FIELD_OFFSET
nvme_wdc_e6_req_fields, NVME_WDC_E6_REQ_FIELD_OFFSET,
nvme_wdc_e6_req_clear_need(req, NVME_WDC_E6_REQ_FIELD_OFFSET);
[NVME_WDC_E6_REQ_FIELD_OFFSET] = {