spa_load_state_t
spa_load(spa_t *spa, spa_load_state_t state, spa_import_type_t type)
spa_load_retry(spa_t *spa, spa_load_state_t state)
spa_load_best(spa_t *spa, spa_load_state_t state, uint64_t max_request,
spa_load_state_t state = SPA_LOAD_OPEN;
spa_load_state_t state = SPA_LOAD_IMPORT;
spa_load_state_t
spa_import_progress_set_state(spa_t *spa, spa_load_state_t load_state)
extern int spa_import_progress_set_state(spa_t *, spa_load_state_t);
extern spa_load_state_t spa_load_state(spa_t *spa);
spa_load_state_t spa_load_state; /* current load operation */