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Re: Source only uploads?

On Tue, Oct 21, 2003 at 06:17:27PM -0500, Gunnar Wolf wrote:
> Here goes a bit of a wild idea, which could not be implemented today,
> but we might want to push towards it: Think of the BSDs' Union
> Filesystem - no such thing exists today in Linux, but anyway... If you
> union-mount a filesystem on a directory of an existing filesystem, the
> existing filesystem becomes read-only from that point on. The original
> filesystem might in fact be mounted read-only. Every change will only
> be made to the newly mounted filesystem - it will include all the
> differences to the original FS.

What you want is something like UML's copy-on-write (COW) files, but
without the overhead of UML.
Brian May <bam@debian.org>

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