From 5e7b6f63e1c6c60c4b8d377127a8a75b8e6eb58c Mon Sep 17 00:00:00 2001
From: Christophe Varoqui <root@xa-s05.(none)>
Date: Fri, 17 Feb 2006 23:58:26 +0100
Subject: [PATCH] [multipathd] due failback not happening

If the failback period is set to more that four times the polling interval,
paths will never fail back. This is because the failback_tick keeps getting
reset. The attached patch fixes this.

Benjamin Marzinski, Redhat
---
 multipathd/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/multipathd/main.c b/multipathd/main.c
index b2a038b..2229991 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -1265,7 +1265,8 @@ checkerloop (void *ap)
 			pathinfo(pp, conf->hwtable, DI_PRIO);
 
 			if (need_switch_pathgroup(pp->mpp, 0)) {
-				if (pp->mpp->pgfailback > 0)
+				if (pp->mpp->pgfailback > 0 &&
+				    pp->mpp->failback_tick <= 0)
 					pp->mpp->failback_tick =
 						pp->mpp->pgfailback + 1;
 				else if (pp->mpp->pgfailback ==
-- 
2.7.4