On Thu, 1 Mar 2007, Greg KH wrote: > Simple? Are you crazy? my emotional stability has nothing to do with this. try to focus, greg. :-P > > i'm trying to clarify the interconnection between all of the sysfs > > structures, so a few questions: > > > > 1) is it true that an entry exists at the top of the sysfs if and only > > if it is a subsystem? there's no notion of a lower-level subsystem, > > is there? that is, subsystems aren't defined recursively. > > No, you can create an entry at the top if you use a kobject with no > parent. ah, now that wasn't obvious from any explanation i've read. so if you look at a subsystem structure, it has a "kset" member, whose internal "kobject" represents its position in the sysfs hierarchy. and it's that internal kobject that represents a subsystem's position in the hierarchy, is that it? in short, ksets and subsystems themselves are examples of "kobjects" which define their position in the tree. ok, that definitely clears things up a bit, and explains how subsystems can exist further down the tree. more later after i do more reading. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://fsdev.net/wiki/index.php?title=Main_Page ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ