This patch contains the following cleanups:
- make needlessly global functions static
- provide some debugging helper functions only for appropriate
  values of CONFIG_JFFS_FS_VERBOSE
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>