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

[Christoph Hellwig]

On Wed, Jan 10, 2001 at 12:05:01AM -0800, Linus Torvalds wrote:
> 
> 
> On Wed, 10 Jan 2001, Christoph Hellwig wrote:
> > 
> > Simple.  Because I stated before that I DON'T even want the networking
> > to use kiobufs in lower layers.  My whole argument is to pass a kiovec
> > into the fileop instead of a page, because it makes sense for other
> > drivers to use multiple pages, and doesn't hurt networking besides
> > the cost of one kiobuf (116k) and the processor cycles for creating
> > and destroying it once per sys_sendfile.
> 
> Fair enough.
> 
> My whole argument against that is that I think kiovec's are incredibly
> ugly, and the less I see of them in critical regions, the happier I am.
> 
> And that, I have to admit, is really mostly a matter of "taste". 

Ok.

This is a statement that makes all the kiobuf efforts currently look
no more as interesting as before.

IHMO is time to find a generic interface for IO that is acceptable by
you and widely usable.

As you stated before that seems to be s.th. with page,offset,length
tuples.

        Christoph

-- 
Whip me.  Beat me.  Make me maintain AIX.
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