Re: [Kiobuf-io-devel] Re: 1st glance at kiobuf overhead in kernelaio vs pread vs user aio

From: Ingo Molnar (
Date: Fri Feb 02 2001 - 18:30:24 EST

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?)


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