Re: [RFC] Updates to sysfs_create_subdir()

From: Greg KH
Date: Tue Nov 29 2005 - 01:04:53 EST


On Mon, Nov 28, 2005 at 08:10:36PM -0500, Kyle Moffett wrote:
> On Nov 28, 2005, at 15:49, Greg KH wrote:
> >On Wed, Nov 23, 2005 at 01:56:29PM -0800, Patrick Mochel wrote:
> >>The patch below addresses this issue by parsing the subdirectory
> >>name and creating any parent directories delineated by a '/'.
> >
> >Generally I never liked parsing stuff like this in the kernel (proc
> >and devfs both do this). That being said, I do see the need to
> >make subdirs like this easier.
> >
> >But what about cleanups? If I create an attribute group "foo/baz/
> >x/" and then remove it, will the subdirectories get cleaned up
> >too? What about if I had created a group "foo/baz/y/" after the
> >"x" one? Or just "foo/baz"?
>
> If the kernel gets this, then udev needs to allow attributes with
> more generic paths too. It would be nice if I could use this [Pulled
> from the sample udev output halfway down this page: http://
> www.reactivated.net/writing_udev_rules.html#identify-sysfs].
>
> BUS="scsi", SYSFS{../../../manufacturer}="Tekom Technologies, Inc",
> NAME="my_camera"

Why can't you do this today? Have you tried it?

thanks,

greg k-h
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