ata tagged queuing support question

helo.

ata-disk.c

    /* use tagged queueing if allowed and supported */
#if 0 /* disable tags for now */
    if (ata_tags && ad_tagsupported(adp)) {
	adp->num_tags = atadev->param->queuelen;
	adp->flags |= AD_F_TAG_ENABLED;
	adp->device->channel->flags |= ATA_QUEUED;
	if (ata_command(atadev, ATA_C_SETFEATURES,
			0, 0, ATA_C_F_DIS_RELIRQ, ATA_WAIT_INTR))
	    ata_prtdev(atadev, "disabling release interrupt failed\n");
	if (ata_command(atadev, ATA_C_SETFEATURES,
			0, 0, ATA_C_F_DIS_SRVIRQ, ATA_WAIT_INTR))
	    ata_prtdev(atadev, "disabling service interrupt failed\n");
    }
#endif

tagged queueing broken in -current? i have IBM ICxxxxxAV drives and want 
to use this feature. can i enable this block?

/swp