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    SubjectRE: [PATCH V3 0/8] Cleancache: overview
    > Since zcache is now one of its use cases, I think the major
    > objection that remains against cleancache is its intrusiveness
    > -- in particular, need to change individual filesystems (even
    > though one liners). Changes below should help avoid these
    > per-fs changes and make it more self contained.

    Hi Nitin --

    I think my reply at http://lkml.org/lkml/2010/6/22/202 adequately
    refutes the claim of intrusiveness (43 lines!). And FAQ #2 near
    the end of the original posting at http://lkml.org/lkml/2010/6/21/411
    explains why the per-fs "opt-in" approach is sensible and necessary.

    CHRISTOPH AND ANDREW, if you disagree and your concerns have
    not been resolved, please speak up.

    Further, the maintainers of the changed filesystems have acked
    the very minor cleancache patches; and maintainers of other
    filesystems are not affected unless they choose to opt-in,
    whereas these other filesystems MAY be affected with your
    suggested changes to the patches.

    So I think it's just a matter of waiting for the Linux wheels
    to turn for a patch that (however lightly) touches a number of
    maintainers' code, though I would very much welcome any
    input on anything I can do to make those wheels turn faster.

    Thanks,
    Dan


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