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

[bugzilla at redhat.com]

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

Worker Ant <bugzilla-bot at gluster.org> changed:

           What    |Removed                     |Added
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             Status|POST                        |MODIFIED



--- Comment #2 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/21386 committed in release-3.12 by "jiffin
tony Thottan" <jthottan at redhat.com> with a commit message- afr: prevent winding
inodelks twice for arbiter volumes

Backport of https://review.gluster.org/#/c/glusterfs/+/21380/

Problem:
In an arbiter volume, if there is a pending data heal of a file only on
arbiter brick, self-heal takes inodelks twice due to a code-bug but unlocks
it only once, leaving behind a stale lock on the brick. This causes
the next write to the file to hang.

Fix:
Fix the code-bug to take lock only once. This bug was introduced master
with commit eb472d82a083883335bc494b87ea175ac43471ff

Thanks to  Pranith Kumar K <pkarampu at redhat.com> for finding the RCA.

fixes: bz#1637989
Change-Id: I15ad969e10a6a3c4bd255e2948b6be6dcddc61e1
BUG: 1637989
Signed-off-by: Ravishankar N <ravishankar at redhat.com>

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