You need to cleanup the style.  
	Lots of dead commented out code.
	Encapsulating locking in macros is ugly and makes maintenance a nuisance.
       CamelCaps
        Use prdebug instead of DEBUG
	RCU instead of rwlock's or just use spinlock
	Adding new /proc interfaces is frowned on
	Adding new ioctl's are very frowned on
	global namespace issues with toupper et a..