403 	XA_STATE(xas, &mapping->i_pages, index);  in shmem_replace_entry()
408 	item = xas_load(&xas);  in shmem_replace_entry()
411 	xas_store(&xas, replacement);  in shmem_replace_entry()
694 	XA_STATE_ORDER(xas, &mapping->i_pages, index, folio_order(folio));  in shmem_add_to_page_cache()
720 		xas_lock_irq(&xas);  in shmem_add_to_page_cache()
721 		if (expected != xas_find_conflict(&xas)) {  in shmem_add_to_page_cache()
722 			xas_set_err(&xas, -EEXIST);  in shmem_add_to_page_cache()
725 		if (expected && xas_find_conflict(&xas)) {  in shmem_add_to_page_cache()
726 			xas_set_err(&xas, -EEXIST);  in shmem_add_to_page_cache()
729 		xas_store(&xas, folio);  in shmem_add_to_page_cache()
730 		if (xas_error(&xas))  in shmem_add_to_page_cache()
740 		xas_unlock_irq(&xas);  in shmem_add_to_page_cache()
741 	} while (xas_nomem(&xas, gfp));  in shmem_add_to_page_cache()
743 	if (xas_error(&xas)) {  in shmem_add_to_page_cache()
744 		error = xas_error(&xas);  in shmem_add_to_page_cache()
800 	XA_STATE(xas, &mapping->i_pages, start);  in shmem_partial_swap_usage()
805 	xas_for_each(&xas, page, end - 1) {  in shmem_partial_swap_usage()
806 		if (xas_retry(&xas, page))  in shmem_partial_swap_usage()
812 			xas_pause(&xas);  in shmem_partial_swap_usage()
1183 	XA_STATE(xas, &mapping->i_pages, start);  in shmem_find_swap_entries()
1188 	xas_for_each(&xas, folio, ULONG_MAX) {  in shmem_find_swap_entries()
1189 		if (xas_retry(&xas, folio))  in shmem_find_swap_entries()
1203 		indices[folio_batch_count(fbatch)] = xas.xa_index;  in shmem_find_swap_entries()
1208 			xas_pause(&xas);  in shmem_find_swap_entries()
1214 	return xas.xa_index;  in shmem_find_swap_entries()