src/patches/suse-2.6.27.31/patches.fixes/scsi-dh-rdac-retry-UA

   1 From: "Chauhan, Vijay" <Vijay.Chauhan@lsi.com>
   2 Subject: Retry for Quiescence in Progress in rdac device handler
   3
   4 We found one issue related to failback in SLES11 RC2. Please find
   5 the description of the issue in this mail below. I have submitted
   6 a patch as fix to the dm community and likely to be accepted. We
   7 need the same fix in SLES11 too.
   8
   9
  10 Signed-off-by: Vijay Chauhan <vijay.chauhan@lsi.com>
  11 Signed-off-by: Hannes Reinecke <hare@suse.de>
  12
  13 ---
  14 --- linux-2.6.27.11-1/drivers/scsi/device_handler/scsi_dh_rdac.c.orig   2009-01-26 19:50:50.000000000 +0530
  15 +++ linux-2.6.27.11-1/drivers/scsi/device_handler/scsi_dh_rdac.c        2009-01-26 20:09:20.000000000 +0530
  16 @@ -578,6 +578,11 @@ static int rdac_check_sense(struct scsi_
  17                          * Power On, Reset, or Bus Device Reset, just retry.
  18                          */
  19                         return ADD_TO_MLQUEUE;
  20 +               if (sense_hdr->asc == 0x8b && sense_hdr->ascq == 0x02)
  21 +                       /*
  22 +                        * Quiescence in Progress, just retry.
  23 +                        */
  24 +                       return ADD_TO_MLQUEUE;
  25                 break;
  26         }
  27         /* success just means we do not care what scsi-ml does */