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SubjectRe: VFS mediator?
Hi!

> > Okay, take userland nfs-server. (This thread was about userland
> > filesystems).
>
> Yech... Nobody should be seriously considering using unfsd: it does
> not even manage to follow the NFS protocol. That inability was one of
> the many reasons why Olaf Kirch abandoned further develpement of unfsd
> and started work on knfsd.
>
> > Then, make memory full of dirty pages. Imagine that nfs-server
> > is swapped-out by some bad luck. What you have is extremely
> > nasty deadlock, AFAICS. [To free memory you have to write out
> > dirty data, but you can't do that because you don't have enough
> > memory for nfs-server].
>
> So that is another argument for using knfsd rather than unfsd. I will
> agree with you that NFS is not perfect, but please judge it on its
> actual merits and not on some trumped up charge...

Sorry, this thread was about userland filesystems, and NFS is just not
usefull there (for read/write case).

Pavel
--
Casualities in World Trade Center: ~3k dead inside the building,
cryptography in U.S.A. and free speech in Czech Republic.
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