> > > This suggests we may want to do agressive readahead on the
> > > inode blocks.
> So it' snot just about preloading. It's also about knowing about access
> patterns beforehand - something that the kernel really cannot do.
>
> Pre-loading your cache always depends on some limited portion of
> prescience.
OTOH, agressively pre-loading metadata should be ok in a lot
of cases, because metadata is very small, but wastes about
half of our disk time because of the seeks ...
regards,
Rik
-- IA64: a worthy successor to i860.http://www.surriel.com/ http://distro.conectiva.com/
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