build error introduced by commit b357f04a

That function doesn't get extra args until a later patch.  Bother.

Reported-by: Fengguang Wu <wfg@linux.intel.com> 
Reported-by: NSimon Kirby <sim@hostway.ca>
Reported-by: NTobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Signed-off-by: NNeilBrown <neilb@suse.de>