[Bugs] [Bug 1170075] [RFE] : BitRot detection in glusterfs

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1170075



--- Comment #209 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/10380 committed in master by Vijay Bellur
(vbellur at redhat.com) 
------
commit 004f64e93d23f44144483d21422f47e81d358045
Author: Venky Shankar <vshankar at redhat.com>
Date:   Fri Apr 24 10:10:35 2015 +0530

    core: Global timer-wheel

    Instantiate a process wide global instance of the timer wheel
    data structure. Spawning glusterfs* process with option arg
    "--global-timer-wheel" instantiates a global instance of
    timer-wheel under global context (->ctx).

    Translators can make use of this process wide instance [via a
    call to glusterfs_global_timer_wheel()] instead of maintaining
    an instance of their own and possibly consuming more memory.
    Linux kernel too has a single instance of timer wheel where
    subsystems such as IO, networking, etc.. make use of.

    Bitrot daemon would be early consumers of this: bitrot translator
    instances for multiple volumes would track objects belonging to
    their respective bricks in this global expiry tracking data
    structure. This is also a first step to move GlusterFS timer
    mechanism to use timer-wheel.

    Change-Id: Ie882df607e07acaced846ea269ebf1ece306d6ae
    BUG: 1170075
    Signed-off-by: Venky Shankar <vshankar at redhat.com>
    Reviewed-on: http://review.gluster.org/10380
    Tested-by: NetBSD Build System
    Reviewed-by: Vijay Bellur <vbellur at redhat.com>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>

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