Re: [PATCH 1/3] xfs: don't allocate COW blocks for zeroing holes or unwritten extents

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On Wed, Feb 28, 2018 at 09:45:50AM -0800, Christoph Hellwig wrote:
> The iomap zeroing interface is smart enough to skip zeroing holes or
> unwritten extents.  Don't subvert this logic for reflink files.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks good,

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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