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    SubjectRe: [PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE
    Erez Zadok wrote:
    > In message <Pine.LNX.4.64.0710250705510.9811@blonde.wat.veritas.com>, Hugh Dickins writes:
    >> On Thu, 25 Oct 2007, Pekka Enberg wrote:
    >
    >> With unionfs also fixed, we don't know of an absolute need for this
    >> patch (and so, on that basis, the !wbc->for_reclaim case could indeed
    >> be removed very soon); but as I see it, the unionfs case has shown
    >> that it's time to future-proof this code against whatever stacking
    >> filesystems come along. Hence I didn't mention the names of such
    >> filesystems in the source comment.
    >
    > I think "future proof" for other stackable f/s is a good idea, esp. since
    > many of the stackable f/s we've developed and distributed over the past 10
    > years are in some use in various places: gzipfs, avfs, tracefs, replayfs,
    > ncryptfs, versionfs, wrapfs, i3fs, and more (see www.filesystems.org).
    >

    A number of filesystems want partial or full stackability, so getting
    rid of lack-of-stackability whereever it may be is highly valuable.

    -hpa

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