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    SubjectRe: [RFC] VFS: FS CoW using redirection
    On Wed, Aug 23, 2006 at 07:24:02PM +0200, Jörn Engel wrote:
    > On Sun, 9 July 2006 15:50:36 +0300, Al Boldi wrote:
    > >
    > > Consider something simple like this:
    > >
    > > VFS - anyFS1 (r/w) used normally, unless ENotFound, then redirect read to
    > > \ anyFS2, or CoW from anyFS2 to anyFS1.
    > > anyFS2 (r/o) used normally.
    >
    > That concept is known as union mount. Jan Blunck did some patches in
    > that direction, you might be able to find them in the archives. If
    > not, just send him a mail.

    Or you can give Unionfs a try: http://www.unionfs.org

    Josef "Jeff" Sipek.

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