[Bugs] [Bug 1391448] md-cache: Invalidate cache entry in case of OPEN with O_TRUNC

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1391448



--- Comment #2 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: http://review.gluster.org/15770 committed in release-3.9 by Raghavendra
G (rgowdapp at redhat.com) 
------
commit 0c908b6c03f6e5e050a49d2c49505dc7cd8efbbc
Author: Soumya Koduri <skoduri at redhat.com>
Date:   Thu Oct 6 13:13:44 2016 +0530

    md-cache: Invalidate cache entry for open() with O_TRUNC

    When a file is opened with O_TRUNC flag set, its size gets
    set to '0'. This case needs to be handled in md-cache to
    avoid sending incorrect cached stat.

    This is backport of below mainline patch -
    http://review.gluster.org/#/c/15618/

    > Change-Id: I95d1f8a6634734898883ede010c3e7b0b7eb97d9
    > BUG: 1382266
    > Signed-off-by: Soumya Koduri <skoduri at redhat.com>
    > Reviewed-on: http://review.gluster.org/15618
    > Smoke: Gluster Build System <jenkins at build.gluster.org>
    > Reviewed-by: jiffin tony Thottan <jthottan at redhat.com>
    > Tested-by: jiffin tony Thottan <jthottan at redhat.com>
    > NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    > CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    > Reviewed-by: Kaleb KEITHLEY <kkeithle at redhat.com>
    > (cherry picked from commit 6ca5d6382f03685b31b12accb095093cf1486603)

    Change-Id: I9780a4051adaa9030bd33da68dbc0a31212de054
    BUG: 1391448
    Signed-off-by: Soumya Koduri <skoduri at redhat.com>
    Reviewed-on: http://review.gluster.org/15770
    Reviewed-by: jiffin tony Thottan <jthottan 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: Kaleb KEITHLEY <kkeithle at redhat.com>

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