[Bugs] [Bug 1247917] ./tests/basic/volume-snapshot.t spurious fail causing glusterd crash.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1247917



--- Comment #2 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/11787 committed in release-3.7 by Atin
Mukherjee (amukherj at redhat.com) 
------
commit 62ba572f12d3300cec70a68d959d16a9a74023dd
Author: anand <anekkunt at redhat.com>
Date:   Fri Jul 24 15:48:50 2015 +0530

    glusterd: glusterd crash due to race between handshake and snapshot remove
threads

    Issue : glusterd was crashing due to race between handshake thread and
snapshot
    remove
    RCA : Snapshot  thread referring  voinfo and same time volinfo is modified
during handshake,
    glusterd was crashing  due to this inconsistent data of volinfo .

    Note: Sending commands without checking cluster status may lead to crash

    Fix:.Wait for handshake complete/cluster ready before proceeding commands.
    Back port of :
    >Change-Id: Iefd986664bd9dd225f0abf8f85476d6afd206914
    >BUG: 1246432
    >Signed-off-by: anand <anekkunt at redhat.com>
    >Reviewed-on: http://review.gluster.org/11757
    >Tested-by: Gluster Build System <jenkins at build.gluster.com>
    >Reviewed-by: Atin Mukherjee <amukherj at redhat.com>
    >Tested-by: NetBSD Build System <jenkins at build.gluster.org>
    >Reviewed-by: Raghavendra Talur <rtalur at redhat.com>
    >(cherry picked from commit 51f48bc9a41a5e2004d9051ff90517b01626b08f)

    Change-Id: I4ca707f84544ba9e4e3ea77752c6576af8572f0c
    BUG: 1247917
    Reviewed-on: http://review.gluster.org/11787
    Tested-by: NetBSD Build System <jenkins at build.gluster.org>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Atin Mukherjee <amukherj at redhat.com>

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