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SubjectRe: [PATCH 19/44] s390: implement ->mapping_error
On Thu,  8 Jun 2017 15:25:44 +0200
Christoph Hellwig <hch@lst.de> 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@lst.de>

Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>

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