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From 1b24bc4319203128a9ff7f97fe14f4b3622c4eec Mon Sep 17 00:00:00 2001
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From: Sanju Rakonde <srakonde@redhat.com>
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Date: Wed, 26 Aug 2020 20:05:35 +0530
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Subject: [PATCH 494/511] glusterd: start the brick on a different port
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Problem: brick fails to start when the port provided by
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glusterd is in use by any other process
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Solution: glusterd should check errno set by runner_run()
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and if it is set to EADDRINUSE, it should allocate a new
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port to the brick and try to start it again.
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Previously ret value is checked instead of errno, so the
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retry part never executed. Now, we initialize errno to 0
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before calling runner framework. and afterwards store the
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errno into ret to avoid modification of errno in subsequent
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function calls.
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>fixes: #1101
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>Change-Id: I1aa048a77c5f8b035dece36976d60602d9753b1a
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>Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
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>Signed-off-by: nik-redhat <nladha@redhat.com>
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Upstream patch: https://review.gluster.org/c/glusterfs/+/24923/
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BUG: 1865796
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Change-Id: I1aa048a77c5f8b035dece36976d60602d9753b1a
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Signed-off-by: nik-redhat <nladha@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/220541
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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xlators/mgmt/glusterd/src/glusterd-utils.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
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index b343eee..f7030fb 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
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+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
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@@ -2289,7 +2289,10 @@ retry:
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if (wait) {
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synclock_unlock(&priv->big_lock);
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+ errno = 0;
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ret = runner_run(&runner);
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+ if (errno != 0)
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+ ret = errno;
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synclock_lock(&priv->big_lock);
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if (ret == EADDRINUSE) {
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--
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1.8.3.1
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