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SubjectRe: FS idea
David Feuer writes:
> Please no flames. This is probably ridiculus, but I like it.
> <asbestos suit>
> I think it would be nice to add in a kernel feature to allow the kernel
> to interface with userspace programs to provide fs support for certain
> filesystems. There are three kinds of filesystems that (in my opinion)
> this would be really nice for.
> 1) Uncommon FS's that are not common enough to deserve kernel support
> 2) compressed or encrypted filesystems
> 3) fake filesystems. Things like tarfiles used as filesystems, punched
> card machines used as filesystems ;), and other things like that
> The kind of hook I'm looking for would probably fit best in the loopback
> driver, in my opinion.
> </asbestos suit>

This is called userfs and someone has already done it. As usual, it's
not in the kernel :-(
For some things (non performance critical filesystems), userfs would
be quite good.



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