SATA_DEV_READ_AHEAD
sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD;
sdinfo->satadrv_settings |= SATA_DEV_READ_AHEAD;
sdinfo->satadrv_settings &= ~SATA_DEV_READ_AHEAD;
(sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD)) &&
if ((sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) &&
} else if (!(sdinfo->satadrv_settings & SATA_DEV_READ_AHEAD) &&