config_item_to_node
struct dlm_node *nd = config_item_to_node(i);
struct dlm_node *nd = config_item_to_node(i);
return sprintf(buf, "%d\n", config_item_to_node(item)->weight);
int rc = kstrtoint(buf, 0, &config_item_to_node(item)->weight);
struct dlm_node *n = config_item_to_node(item);
struct dlm_node *n = config_item_to_node(item);