174 spa_features_check(spa_t *spa, boolean_t for_write,  in spa_features_check()  argument
177 	objset_t *os = spa->spa_meta_objset;  in spa_features_check()
182 	    spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;  in spa_features_check()
204 				if (zap_lookup(os, spa->spa_feat_desc_obj,  in spa_features_check()
226 feature_get_refcount(spa_t *spa, zfeature_info_t *feature, uint64_t *res)  in feature_get_refcount()  argument
229 	if (spa->spa_feat_refcount_cache[feature->fi_feature] ==  in feature_get_refcount()
233 	*res = spa->spa_feat_refcount_cache[feature->fi_feature];  in feature_get_refcount()
243 feature_get_refcount_from_disk(spa_t *spa, zfeature_info_t *feature,  in feature_get_refcount_from_disk()  argument
249 	    spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;  in feature_get_refcount_from_disk()
258 	err = zap_lookup(spa->spa_meta_objset, zapobj,  in feature_get_refcount_from_disk()
272 feature_get_enabled_txg(spa_t *spa, zfeature_info_t *feature, uint64_t *res) {  in feature_get_enabled_txg()  argument
273 	uint64_t enabled_txg_obj = spa->spa_feat_enabled_txg_obj;  in feature_get_enabled_txg()
278 	if (!spa_feature_is_enabled(spa, feature->fi_feature)) {  in feature_get_enabled_txg()
284 	VERIFY0(zap_lookup(spa->spa_meta_objset, spa->spa_feat_enabled_txg_obj,  in feature_get_enabled_txg()
295 feature_sync(spa_t *spa, zfeature_info_t *feature, uint64_t refcount,  in feature_sync()  argument
300 	    spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;  in feature_sync()
302 	VERIFY0(zap_update(spa->spa_meta_objset, zapobj, feature->fi_guid,  in feature_sync()
314 		    &spa->spa_feat_refcount_cache[feature->fi_feature];  in feature_sync()
320 		spa_deactivate_mos_feature(spa, feature->fi_guid);  in feature_sync()
322 		spa_activate_mos_feature(spa, feature->fi_guid, tx);  in feature_sync()
330 feature_enable_sync(spa_t *spa, zfeature_info_t *feature, dmu_tx_t *tx)  in feature_enable_sync()  argument
335 	    spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;  in feature_enable_sync()
339 	ASSERT3U(spa_version(spa), >=, SPA_VERSION_FEATURES);  in feature_enable_sync()
344 	if (zap_contains(spa->spa_meta_objset, zapobj, feature->fi_guid) == 0)  in feature_enable_sync()
348 		spa_feature_enable(spa, feature->fi_depends[i], tx);  in feature_enable_sync()
350 	VERIFY0(zap_update(spa->spa_meta_objset, spa->spa_feat_desc_obj,  in feature_enable_sync()
354 	feature_sync(spa, feature, initial_refcount, tx);  in feature_enable_sync()
356 	if (spa_feature_is_enabled(spa, SPA_FEATURE_ENABLED_TXG)) {  in feature_enable_sync()
359 		if (spa->spa_feat_enabled_txg_obj == 0ULL) {  in feature_enable_sync()
360 			spa->spa_feat_enabled_txg_obj =  in feature_enable_sync()
361 			    zap_create_link(spa->spa_meta_objset,  in feature_enable_sync()
365 		spa_feature_incr(spa, SPA_FEATURE_ENABLED_TXG, tx);  in feature_enable_sync()
367 		VERIFY0(zap_add(spa->spa_meta_objset,  in feature_enable_sync()
368 		    spa->spa_feat_enabled_txg_obj, feature->fi_guid,  in feature_enable_sync()
374 feature_do_action(spa_t *spa, spa_feature_t fid, feature_action_t action,  in feature_do_action()  argument
380 	    spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;  in feature_do_action()
387 	ASSERT3U(spa_version(spa), >=, SPA_VERSION_FEATURES);  in feature_do_action()
389 	VERIFY3U(feature_get_refcount(spa, feature, &refcount), !=, ENOTSUP);  in feature_do_action()
405 	feature_sync(spa, feature, refcount, tx);  in feature_do_action()
409 spa_feature_create_zap_objects(spa_t *spa, dmu_tx_t *tx)  in spa_feature_create_zap_objects()  argument
415 	ASSERT(dsl_pool_sync_context(spa_get_dsl(spa)) || (!spa->spa_sync_on &&  in spa_feature_create_zap_objects()
418 	spa->spa_feat_for_read_obj = zap_create_link(spa->spa_meta_objset,  in spa_feature_create_zap_objects()
421 	spa->spa_feat_for_write_obj = zap_create_link(spa->spa_meta_objset,  in spa_feature_create_zap_objects()
424 	spa->spa_feat_desc_obj = zap_create_link(spa->spa_meta_objset,  in spa_feature_create_zap_objects()
433 spa_feature_enable(spa_t *spa, spa_feature_t fid, dmu_tx_t *tx)  in spa_feature_enable()  argument
435 	ASSERT3U(spa_version(spa), >=, SPA_VERSION_FEATURES);  in spa_feature_enable()
437 	feature_enable_sync(spa, &spa_feature_table[fid], tx);  in spa_feature_enable()
441 spa_feature_incr(spa_t *spa, spa_feature_t fid, dmu_tx_t *tx)  in spa_feature_incr()  argument
443 	feature_do_action(spa, fid, FEATURE_ACTION_INCR, tx);  in spa_feature_incr()
447 spa_feature_decr(spa_t *spa, spa_feature_t fid, dmu_tx_t *tx)  in spa_feature_decr()  argument
449 	feature_do_action(spa, fid, FEATURE_ACTION_DECR, tx);  in spa_feature_decr()
453 spa_feature_is_enabled(spa_t *spa, spa_feature_t fid)  in spa_feature_is_enabled()  argument
459 	if (spa_version(spa) < SPA_VERSION_FEATURES)  in spa_feature_is_enabled()
462 	err = feature_get_refcount(spa, &spa_feature_table[fid], &refcount);  in spa_feature_is_enabled()
468 spa_feature_is_active(spa_t *spa, spa_feature_t fid)  in spa_feature_is_active()  argument
474 	if (spa_version(spa) < SPA_VERSION_FEATURES)  in spa_feature_is_active()
477 	err = feature_get_refcount(spa, &spa_feature_table[fid], &refcount);  in spa_feature_is_active()
492 spa_feature_enabled_txg(spa_t *spa, spa_feature_t fid, uint64_t *txg) {  in spa_feature_enabled_txg()  argument
496 	if (spa_version(spa) < SPA_VERSION_FEATURES)  in spa_feature_enabled_txg()
499 	err = feature_get_enabled_txg(spa, &spa_feature_table[fid], txg);  in spa_feature_enabled_txg()