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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] tcp: splice as many packets as possible at once
Date: Tue, 13 Jan 2009 17:24:30 -0800 (PST)
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From: Herbert Xu <herbert@gondor.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.