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

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Message-ID: <20090114002252.GE512@ioremap.net>
Date:	Wed, 14 Jan 2009 03:22:52 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	David Miller <davem@...emloft.net>
Cc:	dada1@...mosbay.com, w@....eu, ben@...s.com, jarkao2@...il.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 Tue, Jan 13, 2009 at 04:16:25PM -0800, David Miller (davem@...emloft.net) wrote:
> I wish there were some way we could make this code grab and release a
> reference to the SKB data area (I mean skb_shinfo(skb)->dataref) to
> accomplish it's goals.

Ugh... Clone without cloninig, but by increasing the dataref. Getting
that splice only needs that skb to track the head of the original, this
may really work.

-- 
	Evgeniy Polyakov
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