This patch make little optimization of ufs_find_entry like "ext2" does.  Save
number of page and reuse it again in the next call.
Signed-off-by: NEvgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>