[Bugs] [Bug 1177418] entry self-heal in 3.5 and 3.6 are not compatible

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1177418



--- Comment #4 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/9355 committed in release-3.6 by Raghavendra
Bhat (raghavendra at redhat.com) 
------
commit 50998ae08c5a767468ee85cb5c53bb5554ff734a
Author: Pranith Kumar K <pkarampu at redhat.com>
Date:   Mon Nov 17 14:27:47 2014 +0530

    cluster/afr: Make entry-self-heal in afr-v2 compatible with afr-v1

            Backport of http://review.gluster.org/9227

    Problem:
    entry self-heal in 3.6 and above, takes full lock on the directory only for
the
    duration of figuring out the xattrs of the directories where as 3.5 takes
locks
    through out the entry-self-heal. If the cluster is heterogeneous then there
is
    a chance that 3.6 self-heal is triggered and then 3.5 self-heal will also
    triggered and both the self-heal daemons of 3.5 and 3.6 do self-heal.

    Fix:
    In 3.6.x and above get an entry lock on a very long name before entry
self-heal
    begins so that 3.5 entry self-heal will not get locks until 3.6.x entry
    self-heal completes.

    BUG: 1177418
    Change-Id: Iecf49d794c6b480e38563e39599a40067b3a21cb
    Signed-off-by: Pranith Kumar K <pkarampu at redhat.com>
    Reviewed-on: http://review.gluster.org/9355
    Reviewed-by: Krutika Dhananjay <kdhananj at redhat.com>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Raghavendra Bhat <raghavendra at redhat.com>

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