Re: [PATCH] add "bus" symlink to class/block devices

[Greg KH <greg@kroah.com>]

On Tue, Feb 15, 2005 at 11:04:06PM +0100, Kay Sievers wrote:
> On Tue, Feb 15, 2005 at 09:53:44PM +0100, Kay Sievers wrote:
> > Add a "bus" symlink to the class and block devices, just like the "driver"
> > and "device" links. This may be a huge speed gain for e.g. udev to determine
> > the bus value of a device, as we currently need to do a brute-force scan in
> > /sys/bus/* to find this value.
> 
> Hmm, while playing around with it, I think we should create the "bus"
> link on the physical device on not on the class device.
> 
> Also the current "driver" link at the class device should be removed,
> cause class devices don't have a driver. Block devices never had this
> misleading symlink.
> 
> >From the class device we point with the "device" link to the physical
> device, and only the physical device should have the "driver" and the
> "bus" link, as it represents the real relationship.

Applied, thanks,

greg k-h