[Bugs] [Bug 1294051] Though files are in split-brain able to perform writes to the file

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1294051



--- Comment #28 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/13075 committed in master by Pranith Kumar
Karampuri (pkarampu at redhat.com) 
------
commit 786343abca3474ff01aa1017210112d97cbc4843
Author: Pranith Kumar K <pkarampu at redhat.com>
Date:   Mon Sep 4 16:57:25 2017 +0530

    cluster/afr: Fail open on split-brain

    Problem:
    Append on a file with split-brain succeeds. Open is intercepted by
open-behind,
    when write comes on the file, open-behind does open+write. Open succeeds
    because afr doesn't fail it. Then write succeeds because write-behind
    intercepts it. Flush is also intercepted by write-behind, so the
application
    never gets to know that the write failed.

    Fix:
    Fail open on split-brain, so that when open-behind does open+write open
fails
    which leads to write failure. Application will know about this failure.

    Change-Id: I4bff1c747c97bb2925d6987f4ced5f1ce75dbc15
    BUG: 1294051
    Signed-off-by: Pranith Kumar K <pkarampu at redhat.com>

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