On Tue, 12 Sep 2000, Andrea Arcangeli wrote:
> On Tue, 12 Sep 2000, Rik van Riel wrote:
>
> >As an approximation, you could take the task that queues the
> >request. Only kswapd, kflushd and kupdate would be the "false
>
> That would probably be ok, but if we do that I prefer do it without
> guesses.
>
> The approssimation would be wrong for example if you have two
> tasks reading the same file, one task generate the readahead but
> it doesn't read it, the other task only blocks waiting the
> readahead to complete.
Do we really care about the case that doesn't generate
disk seeks? ;)
Also, this possibility is /extremely/ remote, if not
impossible. Well, it could happen at one point in time,
but it's not something both tasks can keep up for more
than a second...
regards,
Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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