netdev - Re: [PATCH v2] fragment: add fast path

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Message-ID: <4C2A032F.3070700@linux-ipv6.org>
Date:	Tue, 29 Jun 2010 23:29:03 +0900
From:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To:	Changli Gao <xiaosuo@...il.com>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"Pekka Savola (ipv6)" <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org,
	Mitchell Erblich <erblichs@...thlink.net>,
	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Subject: Re: [PATCH v2] fragment: add fast path

Changli Gao wrote:
> On Tue, Jun 29, 2010 at 9:54 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
>> Le vendredi 25 juin 2010 à 10:54 +0800, Changli Gao a écrit :
>>> add fast path
>>>
>>> As the fragments are sent in order in most of OSes, such as Windows, Darwin and
>>> FreeBSD, it is likely the new fragments are at the end of the inet_frag_queue.
>>> In the fast path, we check if the skb at the end of the inet_frag_queue is the
>>> prev we expect.
>>>
>>> Signed-off-by: Changli Gao <xiaosuo@...il.com>
>> This patch is fine, but they are two indentation glitches.
>>
> 
> Oh, Thanks. I'll fix them.

And, I think it is better not to just say it as "fast path"
because it does not sufficient.  Probably "fast path for
in-order fragments" or something like that.

Regards,

--yoshfuji
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