Merge git://git.kvack.org/~bcrl/aio-next

Pull aio fix from Ben LaHaise:
 "Improve aio-nr counting on large SMP systems.

  It has been in linux-next for quite some time"

* git://git.kvack.org/~bcrl/aio-next:
  fs: aio: fix the increment of aio-nr and counting against aio-max-nr