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    SubjectRe: [RFC][PATCH 0/7] File descriptor labeling
    On 5/4/2011 2:19 AM, Roberto Sassu wrote:
    > On Wednesday, May 04, 2011 12:58:48 AM Casey Schaufler wrote:
    >> On 5/2/2011 1:53 AM, Roberto Sassu wrote:
    >> ...
    >>>> Right, but what I don't understand is why you can't use existing
    >>>> mechanisms to achieve this? NFS manages (mostly).
    >>> Please, can you explain better this thought?
    >> NFS provides a network "view" of an ext4 (or any type for that matter)
    >> filesystem. NFS does not support extended attributes, but there has been
    >> ongoing work on that. It seems that if NFS does not require the kind
    >> of changes you are requesting you shouldn't either.
    > I'm not familiar with NFS, so i cannot answer about this scenario.

    NFS provides the historical and prototypical example of a layered
    filesystem. If you are implementing a layered filesystem and have
    not researched NFS you are missing out on the bulk of the experience
    and wisdom on the subject.

    > I'm adding in CC also the NFS mantainers and the mailing list so
    > that they can express their point of view. The whole thread is
    > available at:
    > Roberto Sassu

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