---

yaml --- r: 261711 b: refs/heads/master c: 4bcde50 h: refs/heads/master i: 261709: 57b5eca 261707: d83bd28 261703: f7efe98 261695: 96293f8 v: v3
git-mirror · Jul 27, 2011 · af70a55 · af70a55
1 parent b1d7483
commit af70a55
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: db21b6f41bf5a9ce335ced4b5feaa0ad04327003
+refs/heads/master: 4bcde509a8fe664f2e688647d8427b6aedaa89b7
diff --git a/trunk/drivers/scsi/megaraid/megaraid_sas_base.c b/trunk/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -54,6 +54,7 @@
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
 #include "megaraid_sas_fusion.h"
 #include "megaraid_sas.h"
 
@@ -2057,6 +2058,20 @@ megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd)
 	}
 }
 
+static int megasas_change_queue_depth(struct scsi_device *sdev,
+				      int queue_depth, int reason)
+{
+	if (reason != SCSI_QDEPTH_DEFAULT)
+		return -EOPNOTSUPP;
+
+	if (queue_depth > sdev->host->can_queue)
+		queue_depth = sdev->host->can_queue;
+	scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev),
+				queue_depth);
+
+	return queue_depth;
+}
+
 /*
  * Scsi host template for megaraid_sas driver
  */
@@ -2074,6 +2089,7 @@ static struct scsi_host_template megasas_template = {
 	.eh_timed_out = megasas_reset_timer,
 	.bios_param = megasas_bios_param,
 	.use_clustering = ENABLE_CLUSTERING,
+	.change_queue_depth = megasas_change_queue_depth,
 };
 
 /**