On Mon, Dec 11, 2017 at 09:00:18AM -0700, Scott Bauer wrote: > + > + dm_set_target_max_io_len(ti, target->max_hw_sectors); The return for this function has "__must_check", so it's currently throwing an a compiler warning. Otherwise, this looks like it's doing what you want, and tests successfully on my synthetic workloads. Acked-by: Keith Busch <keith.busch@xxxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel