netdev - Re: [PATCH] Driver-core: Fix bluetooth network device rename regression

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Message-ID: <20100727183624.GB30363@kroah.com>
Date:	Tue, 27 Jul 2010 11:36:24 -0700
From:	Greg KH <greg@...ah.com>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Greg KH <gregkh@...e.de>,
	Johannes Berg <johannes@...solutions.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] Driver-core: Fix bluetooth network device rename
	regression

On Tue, Jul 27, 2010 at 08:24:31PM +0200, Kay Sievers wrote:
> On Tue, Jul 27, 2010 at 20:17, Eric W. Biederman <ebiederm@...ssion.com> wrote:
> > Greg KH <greg@...ah.com> writes:
> 
> > Let me say this again clearly.
> >
> > class -> bus BROKEN
> >
> > In the case of bluetooth it would require changing /sys/class/bluetooth
> > to /sys/bus/bluetooth. ??Which is user visible in the worst possible
> > way and quick google search confirmed it will break user space scripts.
> 
> Clearly, we even have a compat API for that, and nothing would break.
> If needed, a bus can create compat class links. Did you even check
> with the bluetooth guys, last time I talked to them, they have been
> totally fine with such a change.

Yeah, I even had patches that almost did this work a few years ago.
Most of the bluetooth class stuff (if not all of it) can be safely moved
to debugfs, as it's just debug information.

I should dig them out and refresh them in my spare time :)

thanks,

greg k-h
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