[Bugs] [Bug 1344422] fd leak in disperse

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1344422



--- Comment #3 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/14685 committed in release-3.7 by Pranith
Kumar Karampuri (pkarampu at redhat.com) 
------
commit 8383a5163d0b97105e600e9361d322882023295f
Author: Xavier Hernandez <xhernandez at datalab.es>
Date:   Thu Jun 9 17:29:26 2016 +0200

    cluster/ec: Fix invalid __fd_unref() call

    __fd_unref() doesn't do any cleanup, so it cannot be called to release
    fd references, specially if it's the last reference.

    The code has been changed to avoid a call to this function.

    In the previous version we always tried to keep the newest fd in the
    ec_lock_t structure. However this is not necessary. We'll always keep
    one reference to an open file on the same inode. It's irrelevant if
    the reference is new or old.

    The function __fd_unref() has also been removed from fd.h to avoid being
    used in the future since it's useless as it's defined now.

    Backport of http://review.gluster.org/14683

    Change-Id: Ia728777fc8e464758d5ea4d3bf020f0603919039
    BUG: 1344422
    Signed-off-by: Xavier Hernandez <xhernandez at datalab.es>
    Reviewed-on: http://review.gluster.org/14685
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>

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