[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>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 07962f675fef..43b8c51e98d0 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) {