AP_WRITE
if (ata_pktp->ap_flags & (AP_READ | AP_WRITE)) {
ata_pktp->ap_flags |= AP_WRITE;
ata_pktp->ap_flags |= AP_WRITE;
ata_pktp->ap_flags &= ~(AP_READ | AP_WRITE);
ata_pktp->ap_flags |= AP_WRITE;
ata_pktp->ap_flags |= AP_WRITE;
ata_pktp->ap_flags &= (AP_ATAPI | AP_READ | AP_WRITE | AP_ARQ_ON_ERROR);
ASSERT((ata_pktp->ap_flags & (AP_READ | AP_WRITE)) != 0);
if (!(ata_pktp->ap_flags & AP_WRITE)) {