Re: [PATCH v3 6/9] dax: introduce a ->copy_to_iter dax operation

[Ross Zwisler]

On Thu, May 03, 2018 at 05:06:37PM -0700, Dan Williams wrote:
> Similar to the ->copy_from_iter() operation, a platform may want to
> deploy an architecture or device specific routine for handling reads
> from a dax_device like /dev/pmemX. On x86 this routine will point to a
> machine check safe version of copy_to_iter(). For now, add the plumbing
> to device-mapper and the dax core.
> 
> Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> Cc: Mike Snitzer <snitzer@xxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>

Looks good to me.

Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>