On Tue, Feb 09, 2021 at 05:15:13PM +0800, Ruan Shiyang wrote: > The dax dedupe comparison need the iomap_ops pointer as argument, so my > understanding is that we don't modify the argument list of > generic_remap_file_range_prep(), but move its code into > __generic_remap_file_range_prep() whose argument list can be modified to > accepts the iomap_ops pointer. Then it looks like this: I'd say just add the iomap_ops pointer to generic_remap_file_range_prep and do away with the extra wrappers. We only have three callers anyway.
