> +static int pmem_dax_zero_page_range(struct dax_device *dax_dev, u64 offset,
> + size_t len)
> +{
> + struct pmem_device *pmem = dax_get_private(dax_dev);
> + blk_status_t rc;
> +
> + rc = pmem_do_write(pmem, ZERO_PAGE(0), 0, offset, len);
> + return blk_status_to_errno(rc);
No real need for the rc variable here.
Otherwise looks good:
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
