160 static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_direct_access()  argument
167 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_direct_access()
170 	ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages * PAGE_SIZE, &pgoff);  in linear_dax_direct_access()
173 	return dax_direct_access(dax_dev, pgoff, nr_pages, kaddr, pfn);  in linear_dax_direct_access()
176 static size_t linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_copy_from_iter()  argument
182 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_copy_from_iter()
185 	if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff))  in linear_dax_copy_from_iter()
187 	return dax_copy_from_iter(dax_dev, pgoff, addr, bytes, i);  in linear_dax_copy_from_iter()
190 static size_t linear_dax_copy_to_iter(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_copy_to_iter()  argument
196 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_copy_to_iter()
199 	if (bdev_dax_pgoff(bdev, dev_sector, ALIGN(bytes, PAGE_SIZE), &pgoff))  in linear_dax_copy_to_iter()
201 	return dax_copy_to_iter(dax_dev, pgoff, addr, bytes, i);  in linear_dax_copy_to_iter()
204 static int linear_dax_zero_page_range(struct dm_target *ti, pgoff_t pgoff,  in linear_dax_zero_page_range()  argument
211 	sector_t dev_sector, sector = pgoff * PAGE_SECTORS;  in linear_dax_zero_page_range()
214 	ret = bdev_dax_pgoff(bdev, dev_sector, nr_pages << PAGE_SHIFT, &pgoff);  in linear_dax_zero_page_range()
217 	return dax_zero_page_range(dax_dev, pgoff, nr_pages);  in linear_dax_zero_page_range()