[Bugs] [Bug 1381830] Regression caused by enabling client-io-threads by default

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1381830



--- Comment #5 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: http://review.gluster.org/15620 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit d7a5ca16911caca03cec1112d4be56a9cda2ee30
Author: Pranith Kumar K <pkarampu at redhat.com>
Date:   Sun Oct 9 21:36:40 2016 +0530

    performance/io-threads: Exit all threads on PARENT_DOWN

    Problem:
    When glfs_fini() is called on a volume where client.io-threads is enabled,
    fini() will free up iothread xl's private structure but there would be some
    threads that are sleeping which would wakeup after the timedwait completes
    leading to accessing already free'd memory.

    Fix:
    As part of parent-down, exit all sleeping threads.

    BUG: 1381830
    Change-Id: I0bb8d90241112c355fb22ee3fbfd7307f475b339
    Signed-off-by: Pranith Kumar K <pkarampu at redhat.com>
    Reviewed-on: http://review.gluster.org/15620
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>

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