[Bugs] [Bug 1637989] New: data-self-heal in arbiter volume results in stale locks.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1637989

            Bug ID: 1637989
           Summary: data-self-heal in arbiter volume results in stale
                    locks.
           Product: GlusterFS
           Version: 3.12
         Component: replicate
          Keywords: Triaged
          Assignee: bugs at gluster.org
          Reporter: ravishankar at redhat.com
                CC: bugs at gluster.org
        Depends On: 1637802
            Blocks: 1636902, 1637953



+++ This bug was initially created as a clone of Bug #1637802 +++

Description of problem:
commit eb472d82a083883335bc494b87ea175ac43471ff in master introduced a bug
where a data-self-heal on a file in arbiter leaves a stale inodelk behind on
the bricks. Thus any new write to the file from a client can hang

How reproducible:
Always.

Steps to Reproduce:
1. Create 1x (2+1) arbiter, fuse mount it and create a file
2. Kill arbiter brick, write to the file, bring back arbiter and let self-heal
complete.
3. Next write to the file from mount will hang because the inodelk gets blocked
because of the previous stale locks left behind from self-heal


Additional info:
Downstream bug which found the issue: BZ 1636902

--- Additional comment from Worker Ant on 2018-10-10 02:56:21 EDT ---

REVIEW: https://review.gluster.org/21380 (afr: prevent winding inodelks twice
for arbiter volumes) posted (#1) for review on master by Ravishankar N


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1636902
[Bug 1636902] Healing is not completed on Distributed-Replicated ( Arbiter
)
https://bugzilla.redhat.com/show_bug.cgi?id=1637802
[Bug 1637802] data-self-heal in arbiter volume results in stale locks.
https://bugzilla.redhat.com/show_bug.cgi?id=1637953
[Bug 1637953] data-self-heal in arbiter volume results in stale locks.
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