742 	struct simple_transaction_argresp *ar = file->private_data;  in simple_transaction_set()  local
751 	ar->size = n;  in simple_transaction_set()
757 	struct simple_transaction_argresp *ar;  in simple_transaction_get()  local
763 	ar = (struct simple_transaction_argresp *)get_zeroed_page(GFP_KERNEL);  in simple_transaction_get()
764 	if (!ar)  in simple_transaction_get()
772 		free_page((unsigned long)ar);  in simple_transaction_get()
776 	file->private_data = ar;  in simple_transaction_get()
780 	if (copy_from_user(ar->data, buf, size))  in simple_transaction_get()
783 	return ar->data;  in simple_transaction_get()
789 	struct simple_transaction_argresp *ar = file->private_data;  in simple_transaction_read()  local
791 	if (!ar)  in simple_transaction_read()
793 	return simple_read_from_buffer(buf, size, pos, ar->data, ar->size);  in simple_transaction_read()