src/patches/suse-2.6.27.39/patches.fixes/scsi-dh-alua-send-stpg

   1 From: Hannes Reinecke <hare@suse.de>
   2 Subject: Always send STPG for explicit tgps mode
   3
   4 When we are in explicit tgps mode we should always send an STPG
   5 command to enable the active/optimized mode.
   6
   7 Signed-off-by: Hannes Reinecke <hare@suse.de>
   8
   9 ---
  10  drivers/scsi/device_handler/scsi_dh_alua.c |   10 ++++------
  11  1 file changed, 4 insertions(+), 6 deletions(-)
  12
  13 --- a/drivers/scsi/device_handler/scsi_dh_alua.c
  14 +++ b/drivers/scsi/device_handler/scsi_dh_alua.c
  15 @@ -599,13 +599,11 @@ static int alua_activate(struct scsi_dev
  16         struct alua_dh_data *h = get_alua_data(sdev);
  17         int err = SCSI_DH_OK;
  18
  19 -       if (h->group_id != -1) {
  20 -               err = alua_rtpg(sdev, h);
  21 -               if (err != SCSI_DH_OK)
  22 -                       goto out;
  23 -       }
  24 +       err = alua_rtpg(sdev, h);
  25 +       if (err != SCSI_DH_OK)
  26 +               goto out;
  27
  28 -       if (h->tpgs == TPGS_MODE_EXPLICIT && h->state != TPGS_STATE_OPTIMIZED)
  29 +       if ((h->tpgs & TPGS_MODE_EXPLICIT) && h->state != TPGS_STATE_OPTIMIZED)
  30                 err = alua_stpg(sdev, TPGS_STATE_OPTIMIZED, h);
  31
  32  out: