Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[safe/jmp/linux-2.6] / drivers / ata / libata-scsi.c

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 62e6b9e..1683ebd 100644 (file)
--- 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;