[Bugs] [Bug 1326627] nfs-ganesha crashes with segfault error while doing refresh config on volume.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1326627



--- Comment #2 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/13987 committed in master by Jeff Darcy
(jdarcy at redhat.com) 
------
commit edeb67a5344389f88a6912460fb0cf2e76a32df3
Author: Soumya Koduri <skoduri at redhat.com>
Date:   Wed Apr 13 12:50:49 2016 +0530

    inode: Always fetch first entry from the inode lists during
inode_table_destroy

    In inode_table_destroy, we iterate through lru and active lists
    to move the entries to purge list so that they can be destroyed
    during inode_table_prune.

    But if used "list_for_each_entry" or "list_for_each_entry_safe"
    to iterate, we could end up accessing the entries which may have
    got moved to different(purge) lists in the process and can result
    in either infinite loop or crash. The safe approach seems to fetch
    the first entry of the list in each iteration till it gets empty.

    Change-Id: I24a18881833bd9419c2d8e5e8807bc71ec396479
    BUG: 1326627
    Signed-off-by: Soumya Koduri <skoduri at redhat.com>
    Reviewed-on: http://review.gluster.org/13987
    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: Kaleb KEITHLEY <kkeithle at redhat.com>
    Reviewed-by: Niels de Vos <ndevos at redhat.com>
    Reviewed-by: Jeff Darcy <jdarcy at redhat.com>

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