static void free_old_iters(const void *index)
{
struct iter_info *i, *next;
list_for_each_safe(&iters, i, next, list) {
/* If we're re-using an index, free the old one.
static void free_old_iters(const void *index)
{
struct iter_info *i, *next;
list_for_each_safe(&iters, i, next, list) {
/* If we're re-using an index, free the old one.