86 fatal(spa_t *spa, void *tag, const char *fmt, ...)  in fatal()  argument
90 	if (spa != NULL) {  in fatal()
91 		spa_close(spa, tag);  in fatal()
162 zhack_spa_open(char *target, boolean_t readonly, void *tag, spa_t **spa)  in zhack_spa_open()  argument
169 	err = spa_open(target, spa, tag);  in zhack_spa_open()
173 		fatal(*spa, FTAG, "cannot open '%s': %s", target,  in zhack_spa_open()
175 	if (spa_version(*spa) < SPA_VERSION_FEATURES) {  in zhack_spa_open()
176 		fatal(*spa, FTAG, "'%s' has version %d, features not enabled",  in zhack_spa_open()
177 		    target, (int)spa_version(*spa));  in zhack_spa_open()
208 dump_mos(spa_t *spa)  in dump_mos()  argument
210 	nvlist_t *nv = spa->spa_label_features;  in dump_mos()
223 	spa_t *spa;  in zhack_do_feature_stat()  local
236 	zhack_spa_open(target, B_TRUE, FTAG, &spa);  in zhack_do_feature_stat()
237 	os = spa->spa_meta_objset;  in zhack_do_feature_stat()
239 	dump_obj(os, spa->spa_feat_for_read_obj, "for_read");  in zhack_do_feature_stat()
240 	dump_obj(os, spa->spa_feat_for_write_obj, "for_write");  in zhack_do_feature_stat()
241 	dump_obj(os, spa->spa_feat_desc_obj, "descriptions");  in zhack_do_feature_stat()
242 	if (spa_feature_is_active(spa, SPA_FEATURE_ENABLED_TXG)) {  in zhack_do_feature_stat()
243 		dump_obj(os, spa->spa_feat_enabled_txg_obj, "enabled_txg");  in zhack_do_feature_stat()
245 	dump_mos(spa);  in zhack_do_feature_stat()
247 	spa_close(spa, FTAG);  in zhack_do_feature_stat()
253 	spa_t *spa = dmu_tx_pool(tx)->dp_spa;  in zhack_feature_enable_sync()  local
256 	feature_enable_sync(spa, feature, tx);  in zhack_feature_enable_sync()
258 	spa_history_log_internal(spa, "zhack enable feature", tx,  in zhack_feature_enable_sync()
268 	spa_t *spa;  in zhack_do_feature_enable()  local
315 	zhack_spa_open(target, B_FALSE, FTAG, &spa);  in zhack_do_feature_enable()
316 	mos = spa->spa_meta_objset;  in zhack_do_feature_enable()
319 		fatal(spa, FTAG, "'%s' is a real feature, will not enable");  in zhack_do_feature_enable()
320 	if (0 == zap_contains(mos, spa->spa_feat_desc_obj, feature.fi_guid))  in zhack_do_feature_enable()
321 		fatal(spa, FTAG, "feature already enabled: %s",  in zhack_do_feature_enable()
324 	VERIFY0(dsl_sync_task(spa_name(spa), NULL,  in zhack_do_feature_enable()
327 	spa_close(spa, FTAG);  in zhack_do_feature_enable()
335 	spa_t *spa = dmu_tx_pool(tx)->dp_spa;  in feature_incr_sync()  local
339 	VERIFY0(feature_get_refcount_from_disk(spa, feature, &refcount));  in feature_incr_sync()
340 	feature_sync(spa, feature, refcount + 1, tx);  in feature_incr_sync()
341 	spa_history_log_internal(spa, "zhack feature incr", tx,  in feature_incr_sync()
348 	spa_t *spa = dmu_tx_pool(tx)->dp_spa;  in feature_decr_sync()  local
352 	VERIFY0(feature_get_refcount_from_disk(spa, feature, &refcount));  in feature_decr_sync()
353 	feature_sync(spa, feature, refcount - 1, tx);  in feature_decr_sync()
354 	spa_history_log_internal(spa, "zhack feature decr", tx,  in feature_decr_sync()
364 	spa_t *spa;  in zhack_do_feature_ref()  local
408 	zhack_spa_open(target, B_FALSE, FTAG, &spa);  in zhack_do_feature_ref()
409 	mos = spa->spa_meta_objset;  in zhack_do_feature_ref()
412 		fatal(spa, FTAG,  in zhack_do_feature_ref()
416 	if (0 == zap_contains(mos, spa->spa_feat_for_read_obj,  in zhack_do_feature_ref()
419 	} else if (0 == zap_contains(mos, spa->spa_feat_for_write_obj,  in zhack_do_feature_ref()
423 		fatal(spa, FTAG, "feature is not enabled: %s", feature.fi_guid);  in zhack_do_feature_ref()
428 		if (feature_get_refcount_from_disk(spa, &feature,  in zhack_do_feature_ref()
430 			fatal(spa, FTAG, "feature refcount already 0: %s",  in zhack_do_feature_ref()
435 	VERIFY0(dsl_sync_task(spa_name(spa), NULL,  in zhack_do_feature_ref()
439 	spa_close(spa, FTAG);  in zhack_do_feature_ref()