Re: [Linux-cachefs] FS-Cache for NFS-root ?

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Am Mittwoch, 17. Januar 2007 21:18 schrieb David Howells:
> Wilhelm Meier <wilhelm.meier@xxxxxxxx> wrote:
> > I made a rudimentary initramfs (see attached), but I'm not sure if I did
> > it the right way. The problem is, that the rootfs 
                                               ^^^^^^
this wasn't right, I mean the cache-filesystem remains mounted to the 
unreachable mount-point afetr switch_root.

> > remains mounted (to the 
> > unreachable mount-pount /fscache) after switch_root.
>
> Hmmm...  I think this might have to wait until I get back from my holiday
> in Australia (Feb).  At that point I'll have my test machine to hand again
> and can try it for myself.  Sorry about that.
>
> > How can one get some statistics from cachefilesd? It looks like the cache
> > isn't filled very much: I copied /usr (of the cached root-filesystem)
> > to /dev/null and the cache gets about 13M of data whereas /usr is more
> > than 1G of data.
>
> du, find, /proc/sys/fs/nfs/fscache_*

I don't have these, do I have to enable something special?

>
> I should probably add some stats gathering stuff to FS-Cache when I've
> finished fixing it up .
>
> David
>
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-- 
Wilhelm Meier
email: wilhelm.meier@xxxxxxxx


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