134 	XA_STATE_ORDER(xas, &address_space->i_pages, idx, compound_order(page));  in add_to_swap_cache()
148 		xas_lock_irq(&xas);  in add_to_swap_cache()
149 		xas_create_range(&xas);  in add_to_swap_cache()
150 		if (xas_error(&xas))  in add_to_swap_cache()
153 			VM_BUG_ON_PAGE(xas.xa_index != idx + i, page);  in add_to_swap_cache()
154 			old = xas_load(&xas);  in add_to_swap_cache()
161 			xas_store(&xas, page);  in add_to_swap_cache()
162 			xas_next(&xas);  in add_to_swap_cache()
169 		xas_unlock_irq(&xas);  in add_to_swap_cache()
170 	} while (xas_nomem(&xas, gfp));  in add_to_swap_cache()
172 	if (!xas_error(&xas))  in add_to_swap_cache()
177 	return xas_error(&xas);  in add_to_swap_cache()
190 	XA_STATE(xas, &address_space->i_pages, idx);  in __delete_from_swap_cache()
197 		void *entry = xas_store(&xas, shadow);  in __delete_from_swap_cache()
200 		xas_next(&xas);  in __delete_from_swap_cache()
296 		XA_STATE(xas, &address_space->i_pages, curr);  in clear_shadow_from_swap_cache()
299 		xas_for_each(&xas, old, end) {  in clear_shadow_from_swap_cache()
302 			xas_store(&xas, NULL);  in clear_shadow_from_swap_cache()