t10_pi_ref_tag
u32 ref_tag = t10_pi_ref_tag(rq);
u32 ref_tag = t10_pi_ref_tag(rq);
domain->sig.dif.ref_tag = t10_pi_ref_tag(scsi_cmd_to_rq(sc));
cmnd->rw.reftag = cpu_to_le32(t10_pi_ref_tag(req));
u32 lbrt_chk_val = t10_pi_ref_tag(scsi_cmd_to_rq(scsi_cmnd));
return t10_pi_ref_tag(rq);