Re: [PATCH] udev+ifrename integration

[Scott James Remnant <scott@ubuntu.com>]

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On Thu, 2007-03-08 at 10:15 -0800, Jean Tourrilhes wrote:

> On Thu, Mar 08, 2007 at 11:24:16AM +0000, Scott James Remnant wrote:
> > On Wed, 2007-03-07 at 13:11 -0800, Jean Tourrilhes wrote:
> > 
> > > 	Because you would loose the following features of ifrename :
> > > 		o wildcard renaming
> > > 		o takeover
> > > 	There is also another feature that I have not yet implemented
> > > in ifrename that you could not implement with that, which is alternate
> > > renaming. And I have other more nebulous ideas.
> > > 
> > These things are both implemented in the Ubuntu patch for udev.
> > 
> Yes, but your patch does not seem to be in the upstream
> udev. Why is that ?
> 
It's been submitted upstream, but not accepted; Kay tends towards
conservatism until things are proved to be needed.

> And does you patch support all features of ifrename, or just a
> select few ?
> 
Select few.

We explicitly do not want to support all of the features of ifrename,
because it caused us nothing but headaches in the past.

All we want is for interface names to be consistent across reboots, and
for there to be no race conditions between the interface being added and
renamed; the patch we use is sufficient to do that.

When we used to call-out ifrename from hotplug, we had incredible
numbers of problems due to ifrename mis-features and race conditions
inherent with not controlling the interface renaming ourselves.

Scott
-- 
Scott James Remnant
Ubuntu Development Manager
scott@ubuntu.com

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