linux-kernel - Re: [PATCH v3] tcp: splice as many packets as possible at once

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Message-Id: <20090201.004157.222535435.davem@davemloft.net>
Date:	Sun, 01 Feb 2009 00:41:57 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	jarkao2@...il.com, zbr@...emap.net, w@....eu, dada1@...mosbay.com,
	ben@...s.com, mingo@...e.hu, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, jens.axboe@...cle.com
Subject: Re: [PATCH v3] tcp: splice as many packets as possible at once

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Tue, 27 Jan 2009 18:11:30 +1100

> David Miller <davem@...emloft.net> wrote:
> > From: Jarek Poplawski <jarkao2@...il.com>
> > Date: Thu, 22 Jan 2009 09:04:42 +0000
> > 
> >> It seems this sk_sndmsg_page usage (refcounting) isn't consistent.
> >> I used here tcp_sndmsg() way, but I think I'll go back to this question
> >> soon.
> > 
> > Indeed, it is something to look into, as well as locking.
> > 
> > I'll try to find some time for this, thanks Jarek.
> 
> After a quick look it seems to be OK to me.  The code in the patch
> is called from tcp_splice_read, which holds the socket lock.  So as
> long as the patch uses the usual TCP convention it should work.

I've tossed Jarek's patch into net-next-2.6, thanks everyone.
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