linux-kernel - Re: [PATCH] tcp: splice as many packets as possible at once

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Message-ID: <20090114114508.GB5848@ff.dom.local>
Date:	Wed, 14 Jan 2009 11:45:08 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	David Miller <davem@...emloft.net>, zbr@...emap.net,
	dada1@...mosbay.com, w@....eu, ben@...s.com, mingo@...e.hu,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	jens.axboe@...cle.com
Subject: Re: [PATCH] tcp: splice as many packets as possible at once

On Wed, Jan 14, 2009 at 11:40:59AM +0000, Jarek Poplawski wrote:
> On Wed, Jan 14, 2009 at 10:29:03PM +1100, Herbert Xu wrote:
> > On Wed, Jan 14, 2009 at 10:47:16AM +0000, Jarek Poplawski wrote:
> > >
> > > > > I don't think Herbert meant other ->sendpage() implementations, but I
> > > > > could miss something.
> > > > 
> > > > I think he did :-)
> > > 
> > > I hope Herbert will make it clear.
> > 
> > Yes I did mean the other splice paths, and in particular, the path
> > to disk.  I hope that's clear enough :)
> 
> So, I think I got it right: otherwise it would be enough to make this
> copy to a new page only before ->sendpage() calls e.g. in
> generic_splice_sendpage().

Hmm... Actually in pipe_to_sendpage().

Jarek P.
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