netdev - Re: [PATCH][XFRM] Optimize policy dumping

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Date:	Mon, 04 Dec 2006 15:06:37 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	hadi@...erus.ca
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH][XFRM] Optimize policy dumping

jamal wrote:
> On Mon, 2006-04-12 at 14:57 +0100, Patrick McHardy wrote:
> 
> 
>> I think the complications come from the fact that you remeber two
>> policies, but only one seems necessary.  How about this (completely
>> untested) patch? It simply uses increasing sequence numbers for all
>> but the last entry and uses zero for the last one.
>>
> 
> 
> I could give this a try in about 2 hours. But why dont you like the
> callback approach? You have to admit, this is hairy code.

Both ways are fine I guess. But the counting has almost no
overhead with the patch I sent, so I'm not sure if its worth
adding a callback (which still needs to get the last policy/SA
as argument, so that part won't get any nicer).

BTW, I'm not sure whether there are further requirements than
those you quoted, but according to that text, using 1 for
all but the last message would be fine as well :)

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