libata: switch to using block layer tagging support

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-scsi.c

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index fccd5e496c6279ddef97b4a853540e31f6e80d05..d5b9b7266c8bc9c6549acc679ec7be1b827f6f22 100644 (file)
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -503,7 +503,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
        scsi_cmd[0] = ATA_16;
 
        scsi_cmd[4] = args[2];
-       if (args[0] == WIN_SMART) { /* hack -- ide driver does this too... */
+       if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */
                scsi_cmd[6]  = args[3];
                scsi_cmd[8]  = args[1];
                scsi_cmd[10] = 0x4f;
@@ -708,7 +708,7 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev,
 {
        struct ata_queued_cmd *qc;
 
-       qc = ata_qc_new_init(dev);
+       qc = ata_qc_new_init(dev, cmd->request->tag);
        if (qc) {
                qc->scsicmd = cmd;
                qc->scsidone = done;
@@ -1085,6 +1085,10 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 
                blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN);
        } else {
+               if (ata_id_is_ssd(dev->id))
+                       queue_flag_set_unlocked(QUEUE_FLAG_NONROT,
+                                               sdev->request_queue);
+
                /* ATA devices must be sector aligned */
                blk_queue_update_dma_alignment(sdev->request_queue,
                                               ATA_SECT_SIZE - 1);
@@ -1099,7 +1103,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 
                depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id));
                depth = min(ATA_MAX_QUEUE - 1, depth);
-               scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth);
+               scsi_set_tag_type(sdev, MSG_SIMPLE_TAG);
+               scsi_activate_tcq(sdev, depth);
        }
 
        return 0;
@@ -1939,6 +1944,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
                hdr[1] |= (1 << 7);
 
        memcpy(rbuf, hdr, sizeof(hdr));
+
+       /* if ncq, set tags supported */
+       if (ata_id_has_ncq(args->id))
+               rbuf[7] |= (1 << 1);
+
        memcpy(&rbuf[8], "ATA     ", 8);
        ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16);
        ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);