From e06882a7fea9720a2899f7d52d5d3866ff098866 Mon Sep 17 00:00:00 2001
From: Xavi Hernandez <xhernandez@redhat.com>
Date: Thu, 21 May 2020 08:26:11 +0200
Subject: [PATCH 379/379] glusterd: add missing synccond_broadcast()

After the changes in commit 3da22f8cb08b05562a4c6bd2694f2f19199cff7f,
there was a place where synccond_broadcast() was missing. It could
cause a hang if another synctask was waiting on the condition variable.

Upstream patch:
> Upstream patch link: https://review.gluster.org/c/glusterfs/+/24476
> Change-Id: I92bfe4e15c5c3591e4854a64aa9e1566d50dd204
> Fixes: #1116
> Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>

Change-Id: I92bfe4e15c5c3591e4854a64aa9e1566d50dd204
BUG: 1810516
Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/201057
Tested-by: RHGS Build Bot <nigelb@redhat.com>
Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
---
 xlators/mgmt/glusterd/src/glusterd-utils.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index ce9931c..c92cdf3 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -6797,9 +6797,11 @@ glusterd_restart_bricks(void *opaque)
     ret = 0;
 
 out:
-    GF_ATOMIC_DEC(conf->blockers);
     conf->restart_done = _gf_true;
     conf->restart_bricks = _gf_false;
+    if (GF_ATOMIC_DEC(conf->blockers) == 0) {
+        synccond_broadcast(&conf->cond_blockers);
+    }
     synccond_broadcast(&conf->cond_restart_bricks);
 
 return_block:
-- 
1.8.3.1