[dm-devel] [PATCH 2/3] scsi_dh_rdac: Adding more debug options for scsi rdac handler

[Moger, Babu]

Moving the initialization code from rdac_activate to rdac_bus_attach which is more efficient. We don’t have to collect these information during every activate.
 
Signed-off-by: Babu Moger <babu.moger at lsi.com>

---

--- linux-2.6.31-rc5/drivers/scsi/device_handler/scsi_dh_rdac.c.orig	2009-08-24 12:18:46.000000000 -0500
+++ linux-2.6.31-rc5/drivers/scsi/device_handler/scsi_dh_rdac.c	2009-08-24 12:26:43.000000000 -0500
@@ -555,21 +555,6 @@ static int rdac_activate(struct scsi_dev
 	if (err != SCSI_DH_OK)
 		goto done;
 
-	if (!h->ctlr) {
-		err = initialize_controller(sdev, h);
-		if (err != SCSI_DH_OK)
-			goto done;
-
-		err = get_array_name(sdev, h);
-		if (err != SCSI_DH_OK)
-			goto done;
-	}
-
-	if (h->ctlr->use_ms10 == -1) {
-		err = set_mode_select(sdev, h);
-		if (err != SCSI_DH_OK)
-			goto done;
-	}
 	if (h->lun_state == RDAC_LUN_UNOWNED)
 		err = send_mode_select(sdev, h);
 done:
@@ -712,6 +697,18 @@ static int rdac_bus_attach(struct scsi_d
 	if (err != SCSI_DH_OK)
 		goto failed;
 
+	err = initialize_controller(sdev, h);
+	if (err != SCSI_DH_OK)
+		goto failed;
+
+	err = get_array_name(sdev, h);
+	if (err != SCSI_DH_OK)
+		goto failed;
+		
+	err = set_mode_select(sdev, h);
+	if (err != SCSI_DH_OK)
+		goto failed;
+
 	if (!try_module_get(THIS_MODULE))
 		goto failed;