From 9c785d944e6fa7eef390c799b93e43243505780c Mon Sep 17 00:00:00 2001
From: Christof Schmitt <christof.schmitt@de.ibm.com>
Date: Thu, 8 Jul 2010 09:53:09 +0200
Subject: [PATCH] [SCSI] zfcp: Fail erp after timeout
After a timeout notification, do not try to run the erp strategy.
Return from the erp with "failed" to possibly trigger a retry.
Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---
drivers/s390/scsi/zfcp_erp.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 03cd6365ed047..64471ba6ac09f 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1246,6 +1246,11 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
goto unlock;
}
+ if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
+ retval = ZFCP_ERP_FAILED;
+ goto check_target;
+ }
+
zfcp_erp_action_to_running(erp_action);
/* no lock to allow for blocking operations */
@@ -1278,6 +1283,7 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
goto unlock;
}
+check_target:
retval = zfcp_erp_strategy_check_target(erp_action, retval);
zfcp_erp_action_dequeue(erp_action);
retval = zfcp_erp_strategy_statechange(erp_action, retval);