AP_XFERRED_DATA
if (ata_pktp->ap_flags & AP_XFERRED_DATA) {
ata_pktp->ap_flags |= AP_XFERRED_DATA;
ata_pktp->ap_flags |= AP_XFERRED_DATA;
ata_pktp->ap_flags |= AP_XFERRED_DATA;
ata_pktp->ap_flags |= AP_XFERRED_DATA;