[Bugs] [Bug 1342171] O_DIRECT support for sharding

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1342171



--- Comment #13 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/14665 committed in master by Atin Mukherjee
(amukherj at redhat.com) 
------
commit 79dfe7d197ced45bd3b84f71d5c889e95f4dec1a
Author: Krutika Dhananjay <kdhananj at redhat.com>
Date:   Tue Jun 7 17:15:56 2016 +0530

    libglusterfs: Negate all but O_DIRECT flag if present on anon fds

    This is to prevent any unforeseen problems that might arise due to
    writevs and readvs being wound with @flag parameter containing
    O_TRUNC or O_APPEND especially wrt translators like sharding and ec
    where O_TRUNC write or O_APPEND write on individual shards/fragments
    is not the same as O_TRUNC write or O_APPEND write as expected by the
    application.

    Change-Id: I9e5206a6ce2b1b70df61ff23b1c961cf25bf7ff9
    BUG: 1342171
    Signed-off-by: Krutika Dhananjay <kdhananj at redhat.com>
    Reviewed-on: http://review.gluster.org/14665
    Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>

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