On Sun, Apr 10, 2005 at 07:29:31PM +0200, Lars Marowsky-Bree wrote: > Proposed solution: Introduce sub-devices into the sysfs tree. (And, > automatically, backlink those to parent devices, but that's just so the > tree can be traversed in any order.) > > For example, /sys/block/sda would have a sub/ directory with "dm-0" in > there, pointing at /sys/block/dm-0 (surprise). The > /sys/block/dm-0/parent/sd{a,b} entries would do a very surprising > thing. I don't have a problem with this, and I don't think udev would either. There's nothing keeping this from happening today with regards to the sysfs code. thanks, greg k-h