Subject: Re: [PATCH 19/44] s390: implement ->mapping_error

From: Gerald Schaefer <[email-masked]>
Date: Thu, 8 Jun 2017 18:23:11 +0200

On Thu,  8 Jun 2017 15:25:44 +0200
Christoph Hellwig <[email-masked]> 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 <[email-masked]>

Acked-by: Gerald Schaefer <[email-masked]>