SCSI3_RESV_DESC_LEN
data_len = resvlist.listsize * SCSI3_RESV_DESC_LEN;
resvlist.listlen = BE_32(in->len) / SCSI3_RESV_DESC_LEN;
(SCSI3_RESV_DESC_LEN * listsize), &vd_scsi_len);
listlen = scsi_resv->len / SCSI3_RESV_DESC_LEN;