jbd and jbd2 currently use the same slab names which must be unique.  The
patch below just renames jbd2's slabs.
Signed-off-by: NJohann Lombardi <johann.lombardi@bull.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>