[PATCHv7 04/23] scsi_dh_alua: call alua_rtpg() if stpg fails

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If the call to SET TARGET PORT GROUPS fails we have no idea what
state the array is left in, so we need to issue a call to
REPORT TARGET PORT GROUPS in these cases.

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
 drivers/scsi/device_handler/scsi_dh_alua.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index ceca554..77e23a4 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -676,6 +676,8 @@ static int alua_activate(struct scsi_device *sdev,
 		h->flags |= ALUA_OPTIMIZE_STPG;
 
 	err = alua_stpg(sdev, h);
+	if (err == SCSI_DH_RETRY)
+		err = alua_rtpg(sdev, h, 1);
 out:
 	if (fn)
 		fn(data, err);
-- 
1.8.5.6

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