OLPC trac #4982 - Discard cached JFFS2 scan info if the data changes on the NAND FLASH, so JFFS2 operations work correctly after copy-nand. Also added a couple of JFFS2 debugging tools - .dirinum and .finum ; nothing calls them. They display the nodes for a given inum.
dev/olpc/cafenand/cafenand.fth
ofw/fs/jffs2/jffs2.fth