netdev - Re: Data corruption issue with splice() on 2.6.27.10

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Message-ID: <20090107131057.GD9677@ff.dom.local>
Date:	Wed, 7 Jan 2009 13:10:57 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Evgeniy Polyakov <zbr@...emap.net>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>, Willy Tarreau <w@....eu>,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: Data corruption issue with splice() on 2.6.27.10

On Wed, Jan 07, 2009 at 04:02:59PM +0300, Evgeniy Polyakov wrote:
...
> If I understood correctly Jarek's patch, he wants to allocate a page and
> copy linear content of the skb there, so this will end up being the same
> case as with splicing from the file. And while generally this may be a
> good idea, but with usual 1.5k mtu this will copy every skb, which is
> rather bad idea. Will have to think :)
> 

As I mentioned earlier, I (poorly) tried to realize Changli's idea
only, and it's more to verify the reason still (after it failed with
SG method...).

Thanks,
Jarek P.
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