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SubjectRe: [Kiobuf-io-devel] Re: 1st glance at kiobuf overhead in kernelaiovs pread vs user aio
Ingo Molnar wrote:
> On Fri, 2 Feb 2001, Rajagopal Ananthanarayanan wrote:
> > Do you really have worker threads? In my reading of the patch it seems
> > that the wtd is serviced by keventd. [...]
> i think worker threads (or any 'helper' threads) should be avoided. It can
> be done without any extra process context, and it should be done that way.
> Why all the trouble with async IO requests if requests are going to end up
> in a worker thread's context anyway? (which will be a serializing point,
> otherwise why does it end up there?)

Good point. Can you expand on how you plan to service pending
chunks of work (eg. issuing readpage() on some pages) without
the use of threads?


Rajagopal Ananthanarayanan ("ananth")
Member Technical Staff, SGI.
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