Merge branch 'ida-fixes-4.19-rc8' of git://git.infradead.org/users/willy/linux-dax

Matthew writes:
  "IDA/IDR fixes for 4.19

   I have two tiny fixes, one for the IDA test-suite and one for the IDR
   documentation license."

* 'ida-fixes-4.19-rc8' of git://git.infradead.org/users/willy/linux-dax:
  idr: Change documentation license
  test_ida: Fix lockdep warning