[Bugs] [Bug 1240949] quota: In enforcer, caching parents in ctx during build ancestry is not working

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1240949



--- Comment #7 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/11574 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit de3023c8b5ded9c82414eec153fc660f568b688e
Author: vmallika <vmallika at redhat.com>
Date:   Wed Jul 22 09:02:39 2015 +0530

    quota: fix parents caching during build ancestry

    In build ancestry, we get the list of parents for a file,
    these parents are cached in inode ctx.
    This caching is not happening because posix is not setting
    d_stat information in the leaf node entry
    This patch fixes the issue

    Inode-ctx is not updated with new parent when
    rename performed on same directory.
    This patch fixes the issue

    There is a possibility of caching stale entries,
    consider below example:
    1) build_ancestry invoked on a file
    2) rename is invoked on the same file
    3) buils_ancestry prepared entries of old parent
    4) rename completed and in cbk old parent is replaced with
           new parent in inode ctx
    5) now build_ancestry cbk adds old parent to inode ctx

    In this patch we also remove stale entries in writev and fallocate

    Change-Id: Ib1854a41b47b14eb775326588352015c83d034de
    BUG: 1240949
    Signed-off-by: vmallika <vmallika at redhat.com>
    Reviewed-on: http://review.gluster.org/11574
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>

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