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SubjectRe: FS Unions


On Mon, 14 Jun 1999, Jeff Garzik wrote:

> Eric Brunet wrote:
> >
> > In ens.rezo.mailing-lists.linux-kernel, you wrote:
> > >All modifications go into the overlapping fs. All you need from it is a
> > >way to represent whiteouts (normally done as entries with reserved
> > >inumber value).
> >
> > I don't quite understand: do you have to modify all the filesystems to
> > introduce the concept of ``whiteouts'' and ``non-transparent
> > directories'' ?
>
> No, this can be implemented on top of any traditional filesystem.

Excuse me, how? More specifically - how will unlink() work?


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