netdev - Re: sockets affected by IPsec always block (2.6.23)

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Message-Id: <20071206.055515.180308628.davem@davemloft.net>
Date:	Thu, 06 Dec 2007 05:55:15 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	stefan@...lof.de
Cc:	herbert@...dor.apana.org.au, simon@...e.lp0.eu,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: sockets affected by IPsec always block (2.6.23)

From: Stefan Rompf <stefan@...lof.de>
Date: Thu, 6 Dec 2007 13:30:20 +0100

> IMHO this is what developers expect, and is also consistent with the
> fact that POSIX does not define O_NONBLOCK behaviour for local
> files.

You keep ignoring the fact that, as Herbert and I discussed, not
blocking for IPSEC resolution will make some connect() cases fail that
would otherwise not fail.

There are two sides to this issue, and we need to consider them
both.

Long term a resolution-packet-queue provides a solution that handles
both angles correctly, but we don't have that code yet.
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