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Date:	Thu, 17 Jan 2008 02:06:16 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	timo.teras@....fi
Cc:	herbert@...dor.apana.org.au, hadi@...erus.ca,
	netdev@...r.kernel.org
Subject: Re: [RFC][PATCH] Fixing SA/SP dumps on netlink/af_key

From: Timo_Teräs <timo.teras@....fi>
Date: Thu, 17 Jan 2008 12:01:17 +0200

> David Miller wrote:
> > This is an inherent aspect of AF_KEY (and what it was
> > derived from, BSD routing sockets).
> 
> Yes, this is the way BSD does it.
>  
> > It has to provide dumps atomically, and if there is no
> > space there is no way to provide those entries which
> > would require more rcvbuf space.
> 
> RFC does not say it has to be atomic.

Every application out there in the universe expects BSD socket
semantics, and therefore atomic dumps.  You cannot "fix" things
without breaking applications.
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