[Bugs] [Bug 1375096] dht: Update stbuf from servers having layout

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1375096



--- Comment #4 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: http://review.gluster.org/15464 committed in release-3.8 by Raghavendra
G (rgowdapp at redhat.com) 
------
commit 9e4135c46455da7fe67c5ef61e098428cd238e95
Author: Susant Palai <spalai at redhat.com>
Date:   Mon Aug 8 17:05:10 2016 +0530

    dht: udpate stbuf from servers those have layout

    Problem: For healing of uid/gid we check if local->stbuf.ia_ctime is
    lesser than stbuf->ia_ctime (received from brick). If yes then uid/gid
    is updated to local->prebuf(source of healing).

    But we merge local->stbuf also form the newly added brick. So if we
    receive response from the newly added brick first and update the
    local->stbuf, then local->prebuf will remain empty since the newly added
    brick will have the latest ctime among all servers. And this can result
    in healing wrong uid/gids to the rest of servers.

    Hence, we should update local->stbuf from servers with a layout which
    will ignore merging stbufs from newly added bricks.

    > Reviewed-on: http://review.gluster.org/15126
    > CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    > NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    > Smoke: Gluster Build System <jenkins at build.gluster.org>
    > Reviewed-by: Raghavendra G <rgowdapp at redhat.com>
    (cherry picked from commit 36af81ac7cb2d459f9bfc0c436f0038a68f85235)

    Change-Id: If4b64f75a0ea669abdbe9f5a3d1d18ff19374c2f
    BUG: 1375096
    Signed-off-by: Susant Palai <spalai at redhat.com>
    Reviewed-on: http://review.gluster.org/15464
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>

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