* type we maintain a per type linked list */
LIST_HEAD(Unit, units_by_type[_UNIT_TYPE_MAX]);
+ /* To optimize iteration of units that have requires_mounts_for set */
+ LIST_HEAD(Unit, has_requires_mounts_for);
+
/* Units that need to be loaded */
LIST_HEAD(Unit, load_queue); /* this is actually more a stack than a queue, but uh. */