Re: [linux-pm] [patch] pm: fix runtime powermanagement's /sys interface

From: Dominik Brodowski
Date: Mon Jan 09 2006 - 15:09:20 EST


Hi,

On Fri, Jan 06, 2006 at 05:25:16PM +0100, Kay Sievers wrote:
> On Fri, Jan 06, 2006 at 04:03:34PM +0100, Dominik Brodowski wrote:
> > On Thu, Jan 05, 2006 at 04:38:06PM -0800, Greg KH wrote:
> > > > NB: it will break one day, one way or another, when gregkh makes the
> > > > /sys/class -> /sys/devices conversion. However, I'd want to try not to break
> > > > the new pcmciautils userspace too often...
> > >
> > > Why would the conversion that I'm working on break this userspace code?
> > > You are only using the device directory, which will not change at all.
> >
> > Actually, pcmciautils uses both paths starting with
> > /sys/bus/pcmcia/devices/ and /sys/class/pcmcia_socket/pcmcia_socket%d/ --
> > and I was expecting that the latter path won't be available somewhen in
> > future?
>
> That will just be resolved by a symlink. The access path to the device will
> stay the same, but the location of the "real" object will move to /devices.
> All classification will point into the unified /devices tree but keep
> the pathes as we have today. /sys/class will contain only symlinks in
> the end.

OK, thanks for this clarification!

Dominik
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