[Bugs] [Bug 1455423] New: dht: dht self heal fails with no hashed subvol error

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1455423

            Bug ID: 1455423
           Summary: dht: dht self heal fails with no hashed subvol error
           Product: GlusterFS
           Version: 3.11
         Component: distribute
          Assignee: bugs at gluster.org
          Reporter: khiremat at redhat.com
                CC: bugs at gluster.org
        Depends On: 1455104



+++ This bug was initially created as a clone of Bug #1455104 +++

Description of problem:
With new synchronization behaviour where read inodelk and RW entrylk is taken
on hashed subvol, self heal directory would fail sometimes when hashed subvol
is not populated.

Version-Release number of selected component (if applicable):
mainline

How reproducible:
Sometimes

Steps to Reproduce:
1. Create distribute volume
2. Mount and initiate I/O and lookup in parallel

Actual results:
Self heal fails sometimes

Expected results:
Self heal should not fail.

Additional info:

--- Additional comment from Worker Ant on 2017-05-24 05:45:29 EDT ---

REVIEW: https://review.gluster.org/17381 (features/dht: Initialize local
hashed_subvol) posted (#1) for review on master by Kotresh HR
(khiremat at redhat.com)

--- Additional comment from Worker Ant on 2017-05-25 00:21:16 EDT ---

COMMIT: https://review.gluster.org/17381 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit 90df37558d488f9a794f62ed74ec6d72879ed895
Author: Kotresh HR <khiremat at redhat.com>
Date:   Wed May 24 03:17:33 2017 -0400

    features/dht: Initialize local hashed_subvol

    Self heal directory code path doesn't always
    have local->hashed_subvol populated. Populating
    the same which otherwise would fail the self
    heal.

    Change-Id: I03b64709fd7a68e28f9e7438243e817c53c6ef5d
    BUG: 1455104
    Signed-off-by: Kotresh HR <khiremat at redhat.com>
    Reviewed-on: https://review.gluster.org/17381
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Amar Tumballi <amarts at redhat.com>
    Reviewed-by: N Balachandran <nbalacha at redhat.com>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1455104
[Bug 1455104] dht: dht self heal fails with no hashed subvol error
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