netdev - Re: [PATCH 04/10] AOE: use rcu to find network device

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Message-ID: <20091113142407.2fab4d7b@s6510>
Date:	Fri, 13 Nov 2009 14:24:07 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Ed Cashin <ecashin@...aid.com>
Cc:	ecashin@...aid.com, davem@...emloft.net, harvey.harrison@...il.com,
	bzolnier@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH 04/10] AOE: use rcu to find network device

On Fri, 13 Nov 2009 16:39:49 -0500
Ed Cashin <ecashin@...aid.com> wrote:

> I will be testing the patch below on Monday.  It is based on Stephen
> Hemminger's starter patch (Thanks!).  It adds handling for the case
> where all of the local network interfaces have become unusable.  In
> that case, sent packets and retransmitted packets are effectively
> dropped, and the driver's handling of ethernet's unreliability takes
> care of things as usual.  If a local interface becomes usable in time
> no I/O will fail.
> 
> After testing I'll make a proper changelog entry.  In brief this patch
> allows the aoe driver to correctly take references on the net_device's
> that it uses, handle their removal via a callback, and handle their
> complete absence, too.

Looks good, good luck with testing.
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