ATA_QCFLAG_RETRY
qc->flags |= ATA_QCFLAG_RETRY;
qc->flags & ATA_QCFLAG_RETRY ||
qc->flags |= ATA_QCFLAG_RETRY;
if (qc->flags & ATA_QCFLAG_RETRY) {
qc->flags |= ATA_QCFLAG_RETRY;
if (qc_flags & ATA_QCFLAG_RETRY)