712 static int copy_cow_page_dax(struct block_device *bdev, struct dax_device *dax_dev,  in copy_cow_page_dax()  argument
725 	rc = dax_direct_access(dax_dev, pgoff, 1, &kaddr, NULL);  in copy_cow_page_dax()
877 static int dax_writeback_one(struct xa_state *xas, struct dax_device *dax_dev,  in dax_writeback_one()  argument
941 	dax_flush(dax_dev, page_address(pfn_to_page(pfn)), count * PAGE_SIZE);  in dax_writeback_one()
968 		struct dax_device *dax_dev, struct writeback_control *wbc)  in dax_writeback_mapping_range()  argument
989 		ret = dax_writeback_one(&xas, dax_dev, mapping, entry);  in dax_writeback_mapping_range()
1025 	length = dax_direct_access(iomap->dax_dev, pgoff, PHYS_PFN(size),  in dax_iomap_pfn()
1150 		rc = dax_zero_page_range(iomap->dax_dev, pgoff, 1);  in dax_iomap_zero()
1152 		rc = dax_direct_access(iomap->dax_dev, pgoff, 1, &kaddr, NULL);  in dax_iomap_zero()
1160 		dax_flush(iomap->dax_dev, kaddr + offset, size);  in dax_iomap_zero()
1173 	struct dax_device *dax_dev = iomap->dax_dev;  in dax_iomap_iter()  local
1220 		map_len = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size),  in dax_iomap_iter()
1239 			xfer = dax_copy_from_iter(dax_dev, pgoff, kaddr,  in dax_iomap_iter()
1242 			xfer = dax_copy_to_iter(dax_dev, pgoff, kaddr,  in dax_iomap_iter()
1346 		error = copy_cow_page_dax(iter->iomap.bdev, iter->iomap.dax_dev,  in dax_fault_cow_page()