87 fatal(spa_t *spa, void *tag, const char *fmt, ...)  in fatal()  argument
91 	if (spa != NULL) {  in fatal()
92 		spa_close(spa, tag);  in fatal()
130 	spa_t *spa;  in import_pool()  local
148 	if (readonly && spa_open(target, &spa, FTAG) == 0) {  in import_pool()
149 		spa_close(spa, FTAG);  in import_pool()
165 			    spa_open(target, &spa, FTAG) == 0) {  in import_pool()
166 				fatal(spa, FTAG, "cannot import '%s': pool is "  in import_pool()
199 zhack_spa_open(const char *target, boolean_t readonly, void *tag, spa_t **spa)  in zhack_spa_open()  argument
206 	err = spa_open(target, spa, tag);  in zhack_spa_open()
210 		fatal(*spa, FTAG, "cannot open '%s': %s", target,  in zhack_spa_open()
212 	if (spa_version(*spa) < SPA_VERSION_FEATURES) {  in zhack_spa_open()
213 		fatal(*spa, FTAG, "'%s' has version %d, features not enabled",  in zhack_spa_open()
214 		    target, (int)spa_version(*spa));  in zhack_spa_open()
245 dump_mos(spa_t *spa)  in dump_mos()  argument
247 	nvlist_t *nv = spa->spa_label_features;  in dump_mos()
260 	spa_t *spa;  in zhack_do_feature_stat()  local
273 	zhack_spa_open(target, B_TRUE, FTAG, &spa);  in zhack_do_feature_stat()
274 	os = spa->spa_meta_objset;  in zhack_do_feature_stat()
276 	dump_obj(os, spa->spa_feat_for_read_obj, "for_read");  in zhack_do_feature_stat()
277 	dump_obj(os, spa->spa_feat_for_write_obj, "for_write");  in zhack_do_feature_stat()
278 	dump_obj(os, spa->spa_feat_desc_obj, "descriptions");  in zhack_do_feature_stat()
279 	if (spa_feature_is_active(spa, SPA_FEATURE_ENABLED_TXG)) {  in zhack_do_feature_stat()
280 		dump_obj(os, spa->spa_feat_enabled_txg_obj, "enabled_txg");  in zhack_do_feature_stat()
282 	dump_mos(spa);  in zhack_do_feature_stat()
284 	spa_close(spa, FTAG);  in zhack_do_feature_stat()
290 	spa_t *spa = dmu_tx_pool(tx)->dp_spa;  in zhack_feature_enable_sync()  local
293 	feature_enable_sync(spa, feature, tx);  in zhack_feature_enable_sync()
295 	spa_history_log_internal(spa, "zhack enable feature", tx,  in zhack_feature_enable_sync()
305 	spa_t *spa;  in zhack_do_feature_enable()  local
352 	zhack_spa_open(target, B_FALSE, FTAG, &spa);  in zhack_do_feature_enable()
353 	mos = spa->spa_meta_objset;  in zhack_do_feature_enable()
356 		fatal(spa, FTAG, "'%s' is a real feature, will not enable");  in zhack_do_feature_enable()
357 	if (0 == zap_contains(mos, spa->spa_feat_desc_obj, feature.fi_guid))  in zhack_do_feature_enable()
358 		fatal(spa, FTAG, "feature already enabled: %s",  in zhack_do_feature_enable()
361 	VERIFY0(dsl_sync_task(spa_name(spa), NULL,  in zhack_do_feature_enable()
364 	spa_close(spa, FTAG);  in zhack_do_feature_enable()
372 	spa_t *spa = dmu_tx_pool(tx)->dp_spa;  in feature_incr_sync()  local
376 	VERIFY0(feature_get_refcount_from_disk(spa, feature, &refcount));  in feature_incr_sync()
377 	feature_sync(spa, feature, refcount + 1, tx);  in feature_incr_sync()
378 	spa_history_log_internal(spa, "zhack feature incr", tx,  in feature_incr_sync()
385 	spa_t *spa = dmu_tx_pool(tx)->dp_spa;  in feature_decr_sync()  local
389 	VERIFY0(feature_get_refcount_from_disk(spa, feature, &refcount));  in feature_decr_sync()
390 	feature_sync(spa, feature, refcount - 1, tx);  in feature_decr_sync()
391 	spa_history_log_internal(spa, "zhack feature decr", tx,  in feature_decr_sync()
401 	spa_t *spa;  in zhack_do_feature_ref()  local
445 	zhack_spa_open(target, B_FALSE, FTAG, &spa);  in zhack_do_feature_ref()
446 	mos = spa->spa_meta_objset;  in zhack_do_feature_ref()
449 		fatal(spa, FTAG,  in zhack_do_feature_ref()
453 	if (0 == zap_contains(mos, spa->spa_feat_for_read_obj,  in zhack_do_feature_ref()
456 	} else if (0 == zap_contains(mos, spa->spa_feat_for_write_obj,  in zhack_do_feature_ref()
460 		fatal(spa, FTAG, "feature is not enabled: %s", feature.fi_guid);  in zhack_do_feature_ref()
465 		if (feature_get_refcount_from_disk(spa, &feature,  in zhack_do_feature_ref()
467 			fatal(spa, FTAG, "feature refcount already 0: %s",  in zhack_do_feature_ref()
472 	VERIFY0(dsl_sync_task(spa_name(spa), NULL,  in zhack_do_feature_ref()
476 	spa_close(spa, FTAG);  in zhack_do_feature_ref()