[Bugs] [Bug 1369211] fix bug in protocol/client lookup callback

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1369211



--- Comment #4 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: http://review.gluster.org/15259 committed in release-3.7 by Pranith
Kumar Karampuri (pkarampu at redhat.com) 
------
commit a97ccc632fc425156e24b7c71de97248de62b2de
Author: Anuradha Talur <atalur at redhat.com>
Date:   Mon Aug 22 22:25:40 2016 +0530

    protocol/client: Unserialize xdata even if lookup fails

    Problem: AFR relies on xdata returned by lookup to determine
    if there are any files that need healing. This info is further
    used to optimize readdirp.

    In case of lookups with negative return value, client xlator was
    sending NULL xdata. Due to absence of xdata, AFR conservatively
    assumes that there are files that need healing, which is incorrect.

    Solution: Even in case of unsuccessful lookups, send the xdata
    received by protocol client so that higher xlators can get the
    info that they rely on.

        >Change-Id: Id3a1023eb536180888eb2c0b39050000b76f7226
        >BUG: 1366284
        >Signed-off-by: Anuradha Talur <atalur at redhat.com>
        >Reviewed-on: http://review.gluster.org/15120
        >Smoke: Gluster Build System <jenkins at build.gluster.org>
        >Reviewed-by: Poornima G <pgurusid at redhat.com>
        >Tested-by: Poornima G <pgurusid at redhat.com>
        >CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
        >NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
        >Reviewed-by: Ashish Pandey <aspandey at redhat.com>
        >Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
        >Signed-off-by: Anuradha Talur <atalur at redhat.com>

    Change-Id: Ia22bcb200d599b78677e429d25877c78f7d27612
    BUG: 1369211
    Signed-off-by: Anuradha Talur <atalur at redhat.com>
    Reviewed-on: http://review.gluster.org/15259
    Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
    Tested-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Krutika Dhananjay <kdhananj at redhat.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>

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