On Thu, 8 Jun 2017 15:25:44 +0200 Christoph Hellwig <hch@xxxxxx> wrote: > s390 can also use noop_dma_ops, and while that currently does not return > errors it will so in the future. Implementing the mapping_error method > is the proper way to have per-ops error conditions. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>
