167 static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_direct_access()  argument
174 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_direct_access()
177 	ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages * PAGE_SIZE, &pgoff);  in linear_dax_direct_access()
180 	return dax_direct_access(dax_dev, pgoff, nr_pages, kaddr, pfn);  in linear_dax_direct_access()
183 static size_t linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_copy_from_iter()  argument
189 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_copy_from_iter()
192 	if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff))  in linear_dax_copy_from_iter()
194 	return dax_copy_from_iter(dax_dev, pgoff, addr, bytes, i);  in linear_dax_copy_from_iter()
197 static size_t linear_dax_copy_to_iter(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_copy_to_iter()  argument
203 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_copy_to_iter()
206 	if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff))  in linear_dax_copy_to_iter()
208 	return dax_copy_to_iter(dax_dev, pgoff, addr, bytes, i);  in linear_dax_copy_to_iter()
211 static int linear_dax_zero_page_range(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_zero_page_range()  argument
218 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_zero_page_range()
221 	ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages << PAGE_SHIFT, &pgoff);  in linear_dax_zero_page_range()
224 	return dax_zero_page_range(dax_dev, pgoff, nr_pages);  in linear_dax_zero_page_range()