[Bugs] [Bug 1427390] systemic testing: seeing lot of ping time outs which would lead to splitbrains

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1427390



--- Comment #3 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/16777 committed in release-3.8 by Niels de
Vos (ndevos at redhat.com) 
------
commit f9aaa26332ba7007265967bc29a1a2a99234a26d
Author: Krutika Dhananjay <kdhananj at redhat.com>
Date:   Mon Jan 23 17:40:40 2017 +0530

    storage/posix: Execute syscalls in xattrop under different locks

            Backport of: https://review.gluster.org/16462 and
                         https://review.gluster.org/16792

    ... and not inode->lock. This is to prevent the epoll thread from
    *potentially* being blocked on this lock in the worst case for
    extended period elsewhere in the brick stack, while the syscalls
    in xattrop are being performed under the same lock by a different
    thread. This could potentially lead to ping-timeout, if the only
    available epoll thread is busy waiting on the inode->lock, thereby
    preventing it from picking up the ping request from the client(s).

    Also removed some unused functions.

    >Change-Id: I2054a06701ecab11aed1c04e80ee57bbe2e52564
    >BUG: 1421938
    >Signed-off-by: Krutika Dhananjay <kdhananj at redhat.com>
    >Reviewed-on: https://review.gluster.org/16462
    >Smoke: 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>
    >CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    (cherry picked from commit b5c26a462caf97bfc5380c81092f5c331ccaf1ae)

    Change-Id: I2054a06701ecab11aed1c04e80ee57bbe2e52564
    BUG: 1427390
    Signed-off-by: Krutika Dhananjay <kdhananj at redhat.com>
    Reviewed-on: https://review.gluster.org/16777
    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>
    Reviewed-by: Niels de Vos <ndevos at redhat.com>

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