Merge tag 'pull-nfsd-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull nfsd fix from Al Viro:
 "Catch from lock_rename() audit; nfsd_rename() checked that both
  directories belonged to the same filesystem, but only after having
  done lock_rename().

  Trivial fix, tested and acked by nfs folks"

* tag 'pull-nfsd-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  nfsd: lock_rename() needs both directories to live on the same fs