[Bugs] [Bug 1147953] Enabling Quota on existing data won't create pgfid xattrs

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1147953



--- Comment #2 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/8890 committed in release-3.6 by Vijay Bellur
(vbellur at redhat.com) 
------
commit 3dcb313572082edb07ed61145570b73a898c51e2
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

    This is a backport of http://review.gluster.org/#/c/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.

    BUG: 1147953
    Change-Id: I707d91a056e07452bfd1e070af5eddaa752a84ac
    Signed-off-by: vmallika <vmallika at redhat.com>
    Reviewed-on: http://review.gluster.org/8890
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Vijay Bellur <vbellur at redhat.com>

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