[Bugs] [Bug 1311002] NFS+attach tier:IOs hang while attach tier is issued

bugzilla at redhat.com bugzilla at redhat.com
Fri May 6 08:54:32 UTC 2016


https://bugzilla.redhat.com/show_bug.cgi?id=1311002



--- Comment #15 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/13492 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit ef0db52bc55a51fe5e3856235aed0230b6a188fe
Author: Mohammed Rafi KC <rkavunga at redhat.com>
Date:   Tue May 3 14:43:20 2016 +0530

    dht:remember locked subvol and send unlock to the same

    During locking we send lock request to cached subvol,
    and normally we unlock to the cached subvol
    But with parallel fresh lookup on a directory, there
    is a race window where the cached subvol can change
    and the unlock can go into a different subvol from
    which we took lock.

    This will result in a stale lock held on one of the
    subvol.

    So we will store the details of subvol which we took the lock
    and will unlock from the same subvol

    Change-Id: I47df99491671b10624eb37d1d17e40bacf0b15eb
    BUG: 1311002
    Signed-off-by: Mohammed Rafi KC <rkavunga at redhat.com>
    Reviewed-on: http://review.gluster.org/13492
    Reviewed-by: N Balachandran <nbalacha at redhat.com>
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>

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