[Bugs] [Bug 1471366] Posix xlator needs to reserve disk space to prevent the brick from getting full.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1471366



--- Comment #10 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/17780 committed in master by Jeff Darcy
(jeff at pl.atyp.us) 
------
commit eb266ade1e2da5739ed66495755ec2784a5bf74b
Author: Mohit Agrawal <moagrawa at redhat.com>
Date:   Sat Jul 15 17:55:14 2017 +0530

    posix: Needs to reserve disk space to prevent the brick from getting full

    Problem: Currently there is no option available at posix xlator to save the
             disk from getting full

    Solution: Introduce a new option storage.reserve at posix xlator to
              configure disk threshold.posix xlator spawn a thread to update
the
              disk space status in posix private structure and same flag is
checked
              by every posix fop before start operation.If flag value is 1 then
              it sets op_errno to ENOSPC and goto out from the fop.

    BUG: 1471366
    Change-Id: I98287cd409860f4c754fc69a332e0521bfb1b67e
    Signed-off-by: Mohit Agrawal <moagrawa at redhat.com>
    Reviewed-on: https://review.gluster.org/17780
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Amar Tumballi <amarts at redhat.com>
    Reviewed-by: Jeff Darcy <jeff at pl.atyp.us>

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