492 static int copy_user_dax(struct block_device *bdev, struct dax_device *dax_dev,  in copy_user_dax()  argument
507 	rc = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size), &kaddr, &pfn);  in copy_user_dax()
657 		struct dax_device *dax_dev, struct address_space *mapping,  in dax_writeback_one()  argument
727 	ret = dax_direct_access(dax_dev, pgoff, size / PAGE_SIZE, &kaddr, &pfn);  in dax_writeback_one()
737 	dax_flush(dax_dev, kaddr, size);  in dax_writeback_one()
770 	struct dax_device *dax_dev;  in dax_writeback_mapping_range()  local
781 	dax_dev = dax_get_by_host(bdev->bd_disk->disk_name);  in dax_writeback_mapping_range()
782 	if (!dax_dev)  in dax_writeback_mapping_range()
807 			ret = dax_writeback_one(bdev, dax_dev, mapping,  in dax_writeback_mapping_range()
817 	put_dax(dax_dev);  in dax_writeback_mapping_range()
824 		struct block_device *bdev, struct dax_device *dax_dev,  in dax_insert_mapping()  argument
839 	rc = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size), &kaddr, &pfn);  in dax_insert_mapping()
906 		struct dax_device *dax_dev, sector_t sector,  in __dax_zero_page_range()  argument
925 		rc = dax_direct_access(dax_dev, pgoff, 1, &kaddr,  in __dax_zero_page_range()
932 		dax_flush(dax_dev, kaddr + offset, size);  in __dax_zero_page_range()
949 	struct dax_device *dax_dev = iomap->dax_dev;  in dax_iomap_actor()  local
997 		map_len = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size),  in dax_iomap_actor()
1016 			map_len = dax_copy_from_iter(dax_dev, pgoff, kaddr,  in dax_iomap_actor()
1155 			error = copy_user_dax(iomap.bdev, iomap.dax_dev,  in dax_iomap_pte_fault()
1181 		error = dax_insert_mapping(mapping, iomap.bdev, iomap.dax_dev,  in dax_iomap_pte_fault()
1229 	struct dax_device *dax_dev = iomap->dax_dev;  in dax_pmd_insert_mapping()  local
1243 	length = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size), &kaddr, &pfn);  in dax_pmd_insert_mapping()