[Bugs] [Bug 1399430] A hard link is lost during rebalance+lookup

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1399430



--- Comment #4 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: http://review.gluster.org/15955 committed in release-3.9 by Raghavendra
G (rgowdapp at redhat.com) 
------
commit 290999db11feedb3021022edfaabef516bf5f6e6
Author: Mohit Agrawal <moagrawa at redhat.com>
Date:   Tue Nov 29 11:04:06 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>
    > (cherry picked from commit 4b8ccbed28837bd78894cb5ce3cf15bc8f364a93)

    BUG: 1399430
    Change-Id: Idc869f2cf2355dacf54c36008840092b8e77acb9
    Signed-off-by: Mohit Agrawal <moagrawa at redhat.com>
    Reviewed-on: http://review.gluster.org/15955
    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: Raghavendra G <rgowdapp at redhat.com>

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