Linux-kernel mailing list archive 1999-23,: Re: cachefs module for linux?

# Re: cachefs module for linux?

Pavel Machek (pavel@bug.ucw.cz)
Tue, 8 Jun 1999 21:02:39 +0200

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Hi!

> > > cachefs comes in really handy, too, setting up "diskless" machines with
> > > nothing but NFS cache and swap space.
>
> > Just allow NFS to use the standard Linux cache more efficiently via a
> > mount parameter and all should be well. cachefs is the wrong solution.
>
> Please define "standard Linux cache."
>
> cachefs is used in situations where the cacheable data set size is
> too large for the buffer cache.
>
> As for using a mount parameter, that would be an NFS-specific solution.
> What about caching large smbfs filesystems, for instance? Or coda, or some
> other network fs?

You said it. Coda does on-disk caching, natively. It can not work
without it. So

* it does not make sense to put cachefs over coda

and

* coda would do the caching job for you pretty well from the begining

Pavel

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