[Bugs] [Bug 1396048] A hard link is lost during rebalance+lookup

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1396048



--- Comment #15 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: http://review.gluster.org/15866 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit 71dd2e914d4a537bf74e1ec3a24512fc83bacb1d
Author: Mohit Agrawal <moagrawa at redhat.com>
Date:   Thu Nov 17 16:20:40 2016 +0530

    cluster/dht: A hard link is lost during rebalance + lookup

    Problem:  A hard link is lost during rebalance + lookup.Rebalance skip
files
              if file has hardlink.In dht_migrate_file __is_file_migratable ()
              function checks if a file has hardlink, if yes file is not
migrated
              but if link is created after call this function then link will
lost.

    Solution: Call __check_file_has_hardlink to check hardlink existence after
(S+T) bits
              in migration process ,if file has hardlink then skip the file for
              migrate rebalance process.

    BUG: 1396048
    Change-Id: Ia53c07ef42f1128c2eedf959a757e8df517b9d12
    Signed-off-by: Mohit Agrawal <moagrawa at redhat.com>
    Reviewed-on: http://review.gluster.org/15866
    Reviewed-by: Susant Palai <spalai at redhat.com>
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: N Balachandran <nbalacha at redhat.com>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>

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