If array is active, try to reshape, else just set the value.
Signed-off-by: NNeil Brown <neilb@suse.de>
Acked-by: NGreg KH <greg@kroah.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>