Re: [PLEASE-TESTME] Zerocopy networking patch, 2.4.0-1

From: Christoph Hellwig (hch@caldera.de)
Date: Tue Jan 09 2001 - 12:53:10 EST

On Tue, Jan 09, 2001 at 10:38:30AM -0500, Benjamin C.R. LaHaise wrote:
> What you're completely ignoring is that sendpages is lacking a huge amount
> of functionality that is *needed*. I can't implement clean async io on
> top of sendpages -- it'll require keeping 1 task around per outstanding
> io, which is exactly the bottleneck we're trying to work around.

Yepp. That's why I proposed to ue rw_kiovec. Currently Alexy seems
to have an own hack for socket-only asynch IO with some COW semantics
for the userlevel buffers, but I would much prefer a generic version...

        Christoph

P.S. Any chance to find a new version of your aio-patch somewhere? 

-- 
Of course it doesn't work. We've performed a software upgrade.
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