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path: root/drivers/ata/libata-scsi.c
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Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r--drivers/ata/libata-scsi.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 62e6b9ea96a..1683ebda900 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1208,6 +1208,7 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
* ata_scsi_change_queue_depth - SCSI callback for queue depth config
* @sdev: SCSI device to configure queue depth for
* @queue_depth: new queue depth
+ * @reason: calling context
*
* This is libata standard hostt->change_queue_depth callback.
* SCSI will call into this callback when user tries to set queue
@@ -1219,12 +1220,16 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
* RETURNS:
* Newly configured queue depth.
*/
-int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth)
+int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth,
+ int reason)
{
struct ata_port *ap = ata_shost_to_port(sdev->host);
struct ata_device *dev;
unsigned long flags;
+ if (reason != SCSI_QDEPTH_DEFAULT)
+ return -EOPNOTSUPP;
+
if (queue_depth < 1 || queue_depth == sdev->queue_depth)
return sdev->queue_depth;