diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index b4a0246506ef..b0d0cc41f3e8 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -889,6 +889,7 @@ int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev; + unsigned long flags; int max_depth; if (queue_depth < 1) @@ -904,6 +905,14 @@ int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth) queue_depth = max_depth; scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, queue_depth); + + spin_lock_irqsave(ap->lock, flags); + if (queue_depth > 1) + dev->flags &= ~ATA_DFLAG_NCQ_OFF; + else + dev->flags |= ATA_DFLAG_NCQ_OFF; + spin_unlock_irqrestore(ap->lock, flags); + return queue_depth; } @@ -1293,7 +1302,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm */ goto nothing_to_do; - if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { + if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | + ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { /* yay, NCQ */ if (!lba_48_ok(block, n_block)) goto out_of_range; |