Lindent rwsem.c and rwsem-spinlock.c and fix a few things by hand.  Also
added a couple of comments for the memory barriers.  Added the __sched
annotation that was left out of rwsem-spinlock.c.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>