Re: [PATCH v2 06/10] fsdax: Add dax_iomap_cow_copy() for dax_iomap_zero

[Christoph Hellwig]

On Fri, Feb 26, 2021 at 08:20:26AM +0800, Shiyang Ruan wrote:
> Punch hole on a reflinked file needs dax_copy_edge() too.  Otherwise,
> data in not aligned area will be not correct.  So, add the srcmap to
> dax_iomap_zero() and replace memset() as dax_copy_edge().
> 
> Signed-off-by: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>