304 static long stripe_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,  in stripe_dax_direct_access()  argument
307 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in stripe_dax_direct_access()
319 	ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages * PAGE_SIZE, &pgoff);  in stripe_dax_direct_access()
322 	return dax_direct_access(dax_dev, pgoff, nr_pages, kaddr, pfn);  in stripe_dax_direct_access()
325 static size_t stripe_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff,  in stripe_dax_copy_from_iter()  argument
328 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in stripe_dax_copy_from_iter()
339 	if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff))  in stripe_dax_copy_from_iter()
341 	return dax_copy_from_iter(dax_dev, pgoff, addr, bytes, i);  in stripe_dax_copy_from_iter()
344 static size_t stripe_dax_copy_to_iter(struct dm_target *ti, pgoff_t pgoff,  in stripe_dax_copy_to_iter()  argument
347 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in stripe_dax_copy_to_iter()
358 	if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff))  in stripe_dax_copy_to_iter()
360 	return dax_copy_to_iter(dax_dev, pgoff, addr, bytes, i);  in stripe_dax_copy_to_iter()
363 static int stripe_dax_zero_page_range(struct dm_target *ti, pgoff_t pgoff,  in stripe_dax_zero_page_range()  argument
367 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in stripe_dax_zero_page_range()
378 	ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages << PAGE_SHIFT, &pgoff);  in stripe_dax_zero_page_range()
381 	return dax_zero_page_range(dax_dev, pgoff, nr_pages);  in stripe_dax_zero_page_range()