netdev - Re: [PATCH][RFC] network splice receive v2

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Date:	Wed, 13 Jun 2007 21:50:01 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
Cc:	netdev@...r.kernel.org, olaf.kirch@...cle.com
Subject: Re: [PATCH][RFC] network splice receive v2

On Wed, Jun 13 2007, Evgeniy Polyakov wrote:
> On Tue, Jun 12, 2007 at 08:17:32PM +0200, Jens Axboe (jens.axboe@...cle.com) wrote:
> > On Tue, Jun 12 2007, Evgeniy Polyakov wrote:
> > > On Mon, Jun 11, 2007 at 01:59:26PM +0200, Jens Axboe (jens.axboe@...cle.com) wrote:
> > > > Patches are against the #splice branch of the block repo, "official" url
> > > > of that is:
> > > > 
> > > > git://git.kernel.dk/data/git/linux-2.6-block.git/
> > > > 
> > > > and it's based on Linus main tree. Let me know if I should supply netdev
> > > > branch patches instead, or even just provide a rolled up patch (or patch
> > > > series) for anyone curious to test or play with it.
> > > 
> > > Hi Jens.
> > > 
> > > I've just pulled your tree (splice-net, but splice tree looks the
> > > same, git pull says 'Already up-to-date.') on top of linus git and got
> > > following bug trace.  I will investigate it further tomorrow.
> > 
> > Please tell me the contents of splice-net, it looks like you didn't
> > actually use the new code. That BUG_ON() is in get_page(), which
> > splice-net no longer uses. So the bug report cannot be valid for the
> > current code.
> 
> This is the last commit in that tree:
> 
> commit c90a6ce8242d108a5bc6fd0bc1b2aca72a2b5944
> Author: Jens Axboe <jens.axboe@...cle.com>
> Date:   Mon Jun 11 21:59:50 2007 +0200
> 
> TCP splice receive support
> 
> Support for network splice receive.
> 
> Signed-off-by: Jens Axboe <jens.axboe@...cle.com>
> 
> :100644 100644 efc4517... 472ee12... M include/linux/net.h
> :100644 100644 e7367c7... 64e3eed... M include/linux/skbuff.h
> :100644 100644 a8af9ae... 8e86697... M include/net/tcp.h
> :100644 100644 7c6a34e... daea7b0... M net/core/skbuff.c
> :100644 100644 041fba3... 0ff9f86... M net/ipv4/af_inet.c
> :100644 100644 450f44b... 63efd7a... M net/ipv4/tcp.c
> :100644 100644 f453019... 41240f5... M net/socket.c
> 
> I will rebase my tree, likely something was not merged correctly.

It must have been, please let me know how the current stuf works for
you!

-- 
Jens Axboe

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