#endif
extern boolean_t feature_is_supported(objset_t *os, uint64_t obj,
- uint64_t desc_obj, nvlist_t *unsup_feat);
+ uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat);
struct spa;
extern void spa_feature_create_zap_objects(struct spa *, dmu_tx_t *);