[Bugs] [Bug 1296399] Stale stat information for corrupted objects (replicated volume)

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1296399



--- Comment #2 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/13120 committed in master by Venky Shankar
(vshankar at redhat.com) 
------
commit d5d6918ce7dc9f54496da435af546611dfbe7d5c
Author: Venky Shankar <vshankar at redhat.com>
Date:   Wed Dec 30 14:56:12 2015 +0530

    features/bitrot: add check for corrupted object in f{stat}

    Check for corrupted objects is done bt bitrot stub component
    for data operations and such fops are denied processing by
    returning EIO. These checks were not done for operations such
    as get/set extended attribute, stat and the likes - IOW, stub
    only blocked pure data operations.

    However, its necessary to have these checks for certain other
    fops, most importantly stat (and fstat). This is due to the
    fact that clients could possibly get stale stat information
    (such as size, {a,c,m}time) resulting in incorrect operation
    of the application that rely on these fields. Note that, the
    data that replication would take care of fetching good (and
    correct) data, but the staleness of stat information could
    lead to data inconsistencies (e.g., rebalance, tier).

    Change-Id: I5a22780373b182a13f8d2c4ca6b7d9aa0ffbfca3
    BUG: 1296399
    Signed-off-by: Venky Shankar <vshankar at redhat.com>
    Reviewed-on: http://review.gluster.org/13120
    Reviewed-by: Kotresh HR <khiremat at redhat.com>
    Reviewed-by: mohammed rafi  kc <rkavunga at redhat.com>
    Reviewed-by: Raghavendra Bhat <raghavendra at redhat.com>
    Tested-by: NetBSD Build System <jenkins at build.gluster.org>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>

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