Re: [RFC] Updates to sysfs_create_subdir()

[Greg KH <greg@kroah.com>]

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