From: Chauhan, Vijay <Vijay.Chauhan@lsi.com>
Date: Tue, 17 Mar 2009 13:21:40 +0000 (+0530)
Subject: [SCSI] scsi_dh_rdac: Retry for NOT_READY check condition
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=af50bb993dfa673cf21ab812efe620d7e0c36319;p=linux-2.6-omap-h63xx.git

[SCSI] scsi_dh_rdac: Retry for NOT_READY check condition

This patch adds retry for NOT_READY check condition - Quiesce in
progress (02/A1/02)

Signed-off-by: Vijay Chauhan<vijay.chauhan@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---

diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 07962f675fe..43b8c51e98d 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -574,6 +574,12 @@ static int rdac_check_sense(struct scsi_device *sdev,
 			 * Just retry and wait.
 			 */
 			return ADD_TO_MLQUEUE;
+		if (sense_hdr->asc == 0xA1  && sense_hdr->ascq == 0x02)
+			/* LUN Not Ready - Quiescense in progress
+			 * or has been achieved
+			 * Just retry.
+			 */
+			return ADD_TO_MLQUEUE;
 		break;
 	case ILLEGAL_REQUEST:
 		if (sense_hdr->asc == 0x94 && sense_hdr->ascq == 0x01) {