netdev - Re: [net-next-2.6 PATCH] net: fast consecutive name allocation

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Date:	Fri, 13 Nov 2009 08:09:37 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	Octavian Purdila <opurdila@...acom.com>, netdev@...r.kernel.org
Subject: Re: [net-next-2.6 PATCH] net: fast consecutive name allocation

Stephen Hemminger a écrit :
> No one has give a reasonable use case for this network device name
> explosion, what is the benchmark doing this nosense, and how do I
> get paid to do it...
> 
> But I have to say no for another reason. You cause the kernel to choose
> a different name for the case where a device is deleted or renamed.
> The old code would find and fill the hole when a new device was added.
> 
> Since this is a semantic ABI change, the kind that drives users nuts.
> 

Yes, I see your point Stephen, but it would be trivial to skip already
used devices as well with litle change.


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