[Bugs] [Bug 1153900] Enabling Quota on existing data won't create pgfid xattrs

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1153900



--- Comment #2 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/8938 committed in release-3.5 by Niels de Vos
(ndevos at redhat.com) 
------
commit b0ed286e9b53c5ad24f04686cd6ddfad940b87f3
Author: vmallika <vmallika at redhat.com>
Date:   Mon Sep 29 13:02:30 2014 +0530

    glusterd/quota: Heal pgfid xattr on existing data when the quota is
    enable

            Backport of: http://review.gluster.org/8878

    The pgfid extended attributes are used to construct the ancestry path
    (from the file to the volume root) for nameless lookups on files.
    As NFS relies on nameless lookups heavily, quota enforcement through NFS
    would be inconsistent if quota were to be enabled on a volume with
    existing data.

    Solution is to heal the pgfid extended attributes as a part of lookup
    perfomed by quota-crawl process. In a posix lookup check for pgfid xattr
    and if it is missing set the xattr.

    Change-Id: I956128907aa1d975cd5719ed3ab2f4f9b37d4c31
    BUG: 1153900
    Signed-off-by: vmallika <vmallika at redhat.com>
    Signed-off-by: Krutika Dhananjay <kdhananj at redhat.com>
    Reviewed-on: http://review.gluster.org/8938
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Niels de Vos <ndevos at redhat.com>

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