[SCSI] modify change_queue_depth to take in reason why it is being called

[deliverable/linux.git] / drivers / scsi / ipr.c

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5f045505a1f4a48eb5f5a1d17ff61508f7cadf7e..d40d5c79fff1ea25a7aaaf860d53885e844123be 100644 (file)
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3367,16 +3367,21 @@ static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; };
  * ipr_change_queue_depth - Change the device's queue depth
  * @sdev:      scsi device struct
  * @qdepth:    depth to set
+ * @reason:    calling context
  *
  * Return value:
  *     actual depth set
  **/
-static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth)
+static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth,
+                                 int reason)
 {
        struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
        struct ipr_resource_entry *res;
        unsigned long lock_flags = 0;
 
+       if (reason != SCSI_QDEPTH_DEFAULT)
+               return -EOPNOTSUPP;
+
        spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
        res = (struct ipr_resource_entry *)sdev->hostdata;