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

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Message-Id: <20090113.172430.177897618.davem@davemloft.net>
Date:	Tue, 13 Jan 2009 17:24:30 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	zbr@...emap.net, 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

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Wed, 14 Jan 2009 11:51:10 +1100

> We can probably do that for spliced data that end up going to
> the networking stack again.  However, as splice is generic the
> data may be headed to a destination other than the network stack.
> 
> In that case to make dataref work we'd need some mechanism
> that allows non-network entities to get/drop this ref count.

I see.

I'll think about this some more.
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