45 typedef void (*dmu_tx_hold_func_t)(dmu_tx_t *tx, struct dnode *dn,
69 	dmu_tx_t *tx = kmem_zalloc(sizeof (dmu_tx_t), KM_SLEEP);  in dmu_tx_create_dd()  local
70 	tx->tx_dir = dd;  in dmu_tx_create_dd()
72 		tx->tx_pool = dd->dd_pool;  in dmu_tx_create_dd()
73 	list_create(&tx->tx_holds, sizeof (dmu_tx_hold_t),  in dmu_tx_create_dd()
75 	list_create(&tx->tx_callbacks, sizeof (dmu_tx_callback_t),  in dmu_tx_create_dd()
77 	tx->tx_start = gethrtime();  in dmu_tx_create_dd()
78 	return (tx);  in dmu_tx_create_dd()
84 	dmu_tx_t *tx = dmu_tx_create_dd(os->os_dsl_dataset->ds_dir);  in dmu_tx_create()  local
85 	tx->tx_objset = os;  in dmu_tx_create()
86 	return (tx);  in dmu_tx_create()
92 	dmu_tx_t *tx = dmu_tx_create_dd(NULL);  in dmu_tx_create_assigned()  local
95 	tx->tx_pool = dp;  in dmu_tx_create_assigned()
96 	tx->tx_txg = txg;  in dmu_tx_create_assigned()
97 	tx->tx_anyobj = TRUE;  in dmu_tx_create_assigned()
99 	return (tx);  in dmu_tx_create_assigned()
103 dmu_tx_is_syncing(dmu_tx_t *tx)  in dmu_tx_is_syncing()  argument
105 	return (tx->tx_anyobj);  in dmu_tx_is_syncing()
109 dmu_tx_private_ok(dmu_tx_t *tx)  in dmu_tx_private_ok()  argument
111 	return (tx->tx_anyobj);  in dmu_tx_private_ok()
115 dmu_tx_hold_dnode_impl(dmu_tx_t *tx, dnode_t *dn, enum dmu_tx_hold_type type,  in dmu_tx_hold_dnode_impl()  argument
121 		(void) zfs_refcount_add(&dn->dn_holds, tx);  in dmu_tx_hold_dnode_impl()
122 		if (tx->tx_txg != 0) {  in dmu_tx_hold_dnode_impl()
130 			dn->dn_assigned_txg = tx->tx_txg;  in dmu_tx_hold_dnode_impl()
131 			(void) zfs_refcount_add(&dn->dn_tx_holds, tx);  in dmu_tx_hold_dnode_impl()
137 	txh->txh_tx = tx;  in dmu_tx_hold_dnode_impl()
144 	list_insert_tail(&tx->tx_holds, txh);  in dmu_tx_hold_dnode_impl()
150 dmu_tx_hold_object_impl(dmu_tx_t *tx, objset_t *os, uint64_t object,  in dmu_tx_hold_object_impl()  argument
160 			tx->tx_err = err;  in dmu_tx_hold_object_impl()
164 	txh = dmu_tx_hold_dnode_impl(tx, dn, type, arg1, arg2);  in dmu_tx_hold_object_impl()
171 dmu_tx_add_new_object(dmu_tx_t *tx, dnode_t *dn)  in dmu_tx_add_new_object()  argument
177 	if (!dmu_tx_is_syncing(tx))  in dmu_tx_add_new_object()
178 		(void) dmu_tx_hold_dnode_impl(tx, dn, THT_NEWOBJECT, 0, 0);  in dmu_tx_add_new_object()
357 dmu_tx_hold_write(dmu_tx_t *tx, uint64_t object, uint64_t off, int len)  in dmu_tx_hold_write()  argument
361 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_write()
365 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset,  in dmu_tx_hold_write()
374 dmu_tx_hold_write_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, int len)  in dmu_tx_hold_write_by_dnode()  argument
378 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_write_by_dnode()
382 	txh = dmu_tx_hold_dnode_impl(tx, dn, THT_WRITE, off, len);  in dmu_tx_hold_write_by_dnode()
395 dmu_tx_hold_append(dmu_tx_t *tx, uint64_t object, uint64_t off, int len)  in dmu_tx_hold_append()  argument
399 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_append()
402 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset,  in dmu_tx_hold_append()
411 dmu_tx_hold_append_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, int len)  in dmu_tx_hold_append_by_dnode()  argument
415 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_append_by_dnode()
418 	txh = dmu_tx_hold_dnode_impl(tx, dn, THT_APPEND, off, DMU_OBJECT_END);  in dmu_tx_hold_append_by_dnode()
434 dmu_tx_mark_netfree(dmu_tx_t *tx)  in dmu_tx_mark_netfree()  argument
436 	tx->tx_netfree = B_TRUE;  in dmu_tx_mark_netfree()
442 	dmu_tx_t *tx = txh->txh_tx;  in dmu_tx_count_free()  local
446 	ASSERT(tx->tx_txg == 0);  in dmu_tx_count_free()
493 		zio_t *zio = zio_root(tx->tx_pool->dp_spa,  in dmu_tx_count_free()
502 				tx->tx_err = err;  in dmu_tx_count_free()
512 				tx->tx_err = err;  in dmu_tx_count_free()
519 			tx->tx_err = err;  in dmu_tx_count_free()
526 dmu_tx_hold_free(dmu_tx_t *tx, uint64_t object, uint64_t off, uint64_t len)  in dmu_tx_hold_free()  argument
530 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset,  in dmu_tx_hold_free()
539 dmu_tx_hold_free_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, uint64_t len)  in dmu_tx_hold_free_by_dnode()  argument
543 	txh = dmu_tx_hold_dnode_impl(tx, dn, THT_FREE, off, len);  in dmu_tx_hold_free_by_dnode()
554 	dmu_tx_t *tx = txh->txh_tx;  in dmu_tx_count_clone()  local
558 	ASSERT0(tx->tx_txg);  in dmu_tx_count_clone()
573 	zio_t *zio = zio_root(tx->tx_pool->dp_spa,  in dmu_tx_count_clone()
578 			tx->tx_err = err;  in dmu_tx_count_clone()
584 		tx->tx_err = err;  in dmu_tx_count_clone()
588 dmu_tx_hold_clone_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off,  in dmu_tx_hold_clone_by_dnode()  argument
593 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_clone_by_dnode()
596 	txh = dmu_tx_hold_dnode_impl(tx, dn, THT_CLONE, off, len);  in dmu_tx_hold_clone_by_dnode()
606 	dmu_tx_t *tx = txh->txh_tx;  in dmu_tx_hold_zap_impl()  local
610 	ASSERT(tx->tx_txg == 0);  in dmu_tx_hold_zap_impl()
624 	    zap_get_micro_max_size(tx->tx_pool->dp_spa), FTAG);  in dmu_tx_hold_zap_impl()
638 			tx->tx_err = err;  in dmu_tx_hold_zap_impl()
648 			tx->tx_err = err;  in dmu_tx_hold_zap_impl()
654 dmu_tx_hold_zap(dmu_tx_t *tx, uint64_t object, int add, const char *name)  in dmu_tx_hold_zap()  argument
658 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_zap()
660 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset,  in dmu_tx_hold_zap()
667 dmu_tx_hold_zap_by_dnode(dmu_tx_t *tx, dnode_t *dn, int add, const char *name)  in dmu_tx_hold_zap_by_dnode()  argument
671 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_zap_by_dnode()
674 	txh = dmu_tx_hold_dnode_impl(tx, dn, THT_ZAP, add, (uintptr_t)name);  in dmu_tx_hold_zap_by_dnode()
680 dmu_tx_hold_bonus(dmu_tx_t *tx, uint64_t object)  in dmu_tx_hold_bonus()  argument
684 	ASSERT(tx->tx_txg == 0);  in dmu_tx_hold_bonus()
686 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset,  in dmu_tx_hold_bonus()
693 dmu_tx_hold_bonus_by_dnode(dmu_tx_t *tx, dnode_t *dn)  in dmu_tx_hold_bonus_by_dnode()  argument
697 	ASSERT0(tx->tx_txg);  in dmu_tx_hold_bonus_by_dnode()
699 	txh = dmu_tx_hold_dnode_impl(tx, dn, THT_BONUS, 0, 0);  in dmu_tx_hold_bonus_by_dnode()
705 dmu_tx_hold_space(dmu_tx_t *tx, uint64_t space)  in dmu_tx_hold_space()  argument
709 	ASSERT(tx->tx_txg == 0);  in dmu_tx_hold_space()
711 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset,  in dmu_tx_hold_space()
721 dmu_tx_dirty_buf(dmu_tx_t *tx, dmu_buf_impl_t *db)  in dmu_tx_dirty_buf()  argument
728 	ASSERT(tx->tx_txg != 0);  in dmu_tx_dirty_buf()
729 	ASSERT(tx->tx_objset == NULL || dn->dn_objset == tx->tx_objset);  in dmu_tx_dirty_buf()
732 	if (tx->tx_anyobj) {  in dmu_tx_dirty_buf()
743 	for (dmu_tx_hold_t *txh = list_head(&tx->tx_holds); txh != NULL;  in dmu_tx_dirty_buf()
744 	    txh = list_next(&tx->tx_holds, txh)) {  in dmu_tx_dirty_buf()
745 		ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg);  in dmu_tx_dirty_buf()
957 dmu_tx_delay(dmu_tx_t *tx, uint64_t dirty)  in dmu_tx_delay()  argument
959 	dsl_pool_t *dp = tx->tx_pool;  in dmu_tx_delay()
995 	if (now > tx->tx_start + tx_time)  in dmu_tx_delay()
998 	DTRACE_PROBE3(delay__mintime, dmu_tx_t *, tx, uint64_t, dirty,  in dmu_tx_delay()
1002 	wakeup = MAX(tx->tx_start + tx_time, dp->dp_last_wakeup + tx_time);  in dmu_tx_delay()
1049 dmu_tx_try_assign(dmu_tx_t *tx)  in dmu_tx_try_assign()  argument
1051 	spa_t *spa = tx->tx_pool->dp_spa;  in dmu_tx_try_assign()
1053 	ASSERT0(tx->tx_txg);  in dmu_tx_try_assign()
1055 	if (tx->tx_err) {  in dmu_tx_try_assign()
1070 	if (!tx->tx_dirty_delayed &&  in dmu_tx_try_assign()
1071 	    dsl_pool_need_wrlog_delay(tx->tx_pool)) {  in dmu_tx_try_assign()
1072 		tx->tx_wait_dirty = B_TRUE;  in dmu_tx_try_assign()
1077 	if (!tx->tx_dirty_delayed &&  in dmu_tx_try_assign()
1078 	    dsl_pool_need_dirty_delay(tx->tx_pool)) {  in dmu_tx_try_assign()
1079 		tx->tx_wait_dirty = B_TRUE;  in dmu_tx_try_assign()
1084 	tx->tx_txg = txg_hold_open(tx->tx_pool, &tx->tx_txgh);  in dmu_tx_try_assign()
1085 	tx->tx_needassign_txh = NULL;  in dmu_tx_try_assign()
1095 	for (dmu_tx_hold_t *txh = list_head(&tx->tx_holds); txh != NULL;  in dmu_tx_try_assign()
1096 	    txh = list_next(&tx->tx_holds, txh)) {  in dmu_tx_try_assign()
1119 			if (dn->dn_assigned_txg == tx->tx_txg - 1) {  in dmu_tx_try_assign()
1121 				tx->tx_needassign_txh = txh;  in dmu_tx_try_assign()
1126 				dn->dn_assigned_txg = tx->tx_txg;  in dmu_tx_try_assign()
1127 			ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg);  in dmu_tx_try_assign()
1128 			(void) zfs_refcount_add(&dn->dn_tx_holds, tx);  in dmu_tx_try_assign()
1136 	uint64_t asize = spa_get_worst_case_asize(tx->tx_pool->dp_spa, towrite);  in dmu_tx_try_assign()
1140 	if (tx->tx_dir != NULL && asize != 0) {  in dmu_tx_try_assign()
1141 		int err = dsl_dir_tempreserve_space(tx->tx_dir, memory,  in dmu_tx_try_assign()
1142 		    asize, tx->tx_netfree, &tx->tx_tempreserve_cookie, tx);  in dmu_tx_try_assign()
1153 dmu_tx_unassign(dmu_tx_t *tx)  in dmu_tx_unassign()  argument
1155 	if (tx->tx_txg == 0)  in dmu_tx_unassign()
1158 	txg_rele_to_quiesce(&tx->tx_txgh);  in dmu_tx_unassign()
1164 	for (dmu_tx_hold_t *txh = list_head(&tx->tx_holds);  in dmu_tx_unassign()
1165 	    txh && txh != tx->tx_needassign_txh;  in dmu_tx_unassign()
1166 	    txh = list_next(&tx->tx_holds, txh)) {  in dmu_tx_unassign()
1172 		ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg);  in dmu_tx_unassign()
1174 		if (zfs_refcount_remove(&dn->dn_tx_holds, tx) == 0) {  in dmu_tx_unassign()
1181 	txg_rele_to_sync(&tx->tx_txgh);  in dmu_tx_unassign()
1183 	tx->tx_lasttried_txg = tx->tx_txg;  in dmu_tx_unassign()
1184 	tx->tx_txg = 0;  in dmu_tx_unassign()
1231 dmu_tx_assign(dmu_tx_t *tx, dmu_tx_flag_t flags)  in dmu_tx_assign()  argument
1235 	ASSERT(tx->tx_txg == 0);  in dmu_tx_assign()
1238 	ASSERT(!dsl_pool_sync_context(tx->tx_pool));  in dmu_tx_assign()
1241 	IMPLY((flags & DMU_TX_WAIT), !dsl_pool_config_held(tx->tx_pool));  in dmu_tx_assign()
1244 		tx->tx_dirty_delayed = B_TRUE;  in dmu_tx_assign()
1247 		tx->tx_break_on_suspend = B_TRUE;  in dmu_tx_assign()
1249 	while ((err = dmu_tx_try_assign(tx)) != 0) {  in dmu_tx_assign()
1250 		dmu_tx_unassign(tx);  in dmu_tx_assign()
1266 			    spa_get_failmode(tx->tx_pool->dp_spa) ==  in dmu_tx_assign()
1306 			tx->tx_break_on_suspend = B_FALSE;  in dmu_tx_assign()
1308 		dmu_tx_wait(tx);  in dmu_tx_assign()
1316 			tx->tx_break_on_suspend = B_TRUE;  in dmu_tx_assign()
1319 	txg_rele_to_quiesce(&tx->tx_txgh);  in dmu_tx_assign()
1325 dmu_tx_wait(dmu_tx_t *tx)  in dmu_tx_wait()  argument
1327 	spa_t *spa = tx->tx_pool->dp_spa;  in dmu_tx_wait()
1328 	dsl_pool_t *dp = tx->tx_pool;  in dmu_tx_wait()
1331 	ASSERT(tx->tx_txg == 0);  in dmu_tx_wait()
1332 	ASSERT(!dsl_pool_config_held(tx->tx_pool));  in dmu_tx_wait()
1342 	    (tx->tx_break_on_suspend ? TXG_WAIT_SUSPEND : TXG_WAIT_NONE);  in dmu_tx_wait()
1346 	if (tx->tx_wait_dirty) {  in dmu_tx_wait()
1362 		dmu_tx_delay(tx, dirty);  in dmu_tx_wait()
1364 		tx->tx_wait_dirty = B_FALSE;  in dmu_tx_wait()
1372 		tx->tx_dirty_delayed = B_TRUE;  in dmu_tx_wait()
1373 	} else if (spa_suspended(spa) || tx->tx_lasttried_txg == 0) {  in dmu_tx_wait()
1382 	} else if (tx->tx_needassign_txh) {  in dmu_tx_wait()
1383 		dnode_t *dn = tx->tx_needassign_txh->txh_dnode;  in dmu_tx_wait()
1386 		while (dn->dn_assigned_txg == tx->tx_lasttried_txg - 1)  in dmu_tx_wait()
1389 		tx->tx_needassign_txh = NULL;  in dmu_tx_wait()
1403 dmu_tx_destroy(dmu_tx_t *tx)  in dmu_tx_destroy()  argument
1407 	while ((txh = list_head(&tx->tx_holds)) != NULL) {  in dmu_tx_destroy()
1410 		list_remove(&tx->tx_holds, txh);  in dmu_tx_destroy()
1417 			dnode_rele(dn, tx);  in dmu_tx_destroy()
1420 	list_destroy(&tx->tx_callbacks);  in dmu_tx_destroy()
1421 	list_destroy(&tx->tx_holds);  in dmu_tx_destroy()
1422 	kmem_free(tx, sizeof (dmu_tx_t));  in dmu_tx_destroy()
1426 dmu_tx_commit(dmu_tx_t *tx)  in dmu_tx_commit()  argument
1429 	ASSERT(tx->tx_txg != 0);  in dmu_tx_commit()
1435 	for (dmu_tx_hold_t *txh = list_head(&tx->tx_holds); txh != NULL;  in dmu_tx_commit()
1436 	    txh = list_next(&tx->tx_holds, txh)) {  in dmu_tx_commit()
1443 		ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg);  in dmu_tx_commit()
1445 		if (zfs_refcount_remove(&dn->dn_tx_holds, tx) == 0) {  in dmu_tx_commit()
1452 	if (tx->tx_tempreserve_cookie)  in dmu_tx_commit()
1453 		dsl_dir_tempreserve_clear(tx->tx_tempreserve_cookie, tx);  in dmu_tx_commit()
1455 	if (!list_is_empty(&tx->tx_callbacks))  in dmu_tx_commit()
1456 		txg_register_callbacks(&tx->tx_txgh, &tx->tx_callbacks);  in dmu_tx_commit()
1458 	if (tx->tx_anyobj == FALSE)  in dmu_tx_commit()
1459 		txg_rele_to_sync(&tx->tx_txgh);  in dmu_tx_commit()
1461 	dmu_tx_destroy(tx);  in dmu_tx_commit()
1465 dmu_tx_abort(dmu_tx_t *tx)  in dmu_tx_abort()  argument
1468 	ASSERT0(tx->tx_txg);  in dmu_tx_abort()
1471 	if (tx->tx_tempreserve_cookie)  in dmu_tx_abort()
1472 		dsl_dir_tempreserve_clear(tx->tx_tempreserve_cookie, tx);  in dmu_tx_abort()
1477 	if (!list_is_empty(&tx->tx_callbacks))  in dmu_tx_abort()
1478 		dmu_tx_do_callbacks(&tx->tx_callbacks, SET_ERROR(ECANCELED));  in dmu_tx_abort()
1481 	dmu_tx_unassign(tx);  in dmu_tx_abort()
1483 	dmu_tx_destroy(tx);  in dmu_tx_abort()
1487 dmu_tx_get_txg(dmu_tx_t *tx)  in dmu_tx_get_txg()  argument
1489 	ASSERT(tx->tx_txg != 0);  in dmu_tx_get_txg()
1490 	return (tx->tx_txg);  in dmu_tx_get_txg()
1494 dmu_tx_pool(dmu_tx_t *tx)  in dmu_tx_pool()  argument
1496 	ASSERT(tx->tx_pool != NULL);  in dmu_tx_pool()
1497 	return (tx->tx_pool);  in dmu_tx_pool()
1508 dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *func, void *data)  in dmu_tx_callback_register()  argument
1517 	list_insert_tail(&tx->tx_callbacks, dcb);  in dmu_tx_callback_register()
1549 dmu_tx_sa_registration_hold(sa_os_t *sa, dmu_tx_t *tx)  in dmu_tx_sa_registration_hold()  argument
1557 				dmu_tx_hold_zap(tx, sa->sa_reg_attr_obj,  in dmu_tx_sa_registration_hold()
1560 				dmu_tx_hold_zap(tx, DMU_NEW_OBJECT,  in dmu_tx_sa_registration_hold()
1567 dmu_tx_hold_spill(dmu_tx_t *tx, uint64_t object)  in dmu_tx_hold_spill()  argument
1571 	txh = dmu_tx_hold_object_impl(tx, tx->tx_objset, object,  in dmu_tx_hold_spill()
1579 dmu_tx_hold_sa_create(dmu_tx_t *tx, int attrsize)  in dmu_tx_hold_sa_create()  argument
1581 	sa_os_t *sa = tx->tx_objset->os_sa;  in dmu_tx_hold_sa_create()
1583 	dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT);  in dmu_tx_hold_sa_create()
1585 	if (tx->tx_objset->os_sa->sa_master_obj == 0)  in dmu_tx_hold_sa_create()
1588 	if (tx->tx_objset->os_sa->sa_layout_attr_obj) {  in dmu_tx_hold_sa_create()
1589 		dmu_tx_hold_zap(tx, sa->sa_layout_attr_obj, B_TRUE, NULL);  in dmu_tx_hold_sa_create()
1591 		dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_LAYOUTS);  in dmu_tx_hold_sa_create()
1592 		dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_REGISTRY);  in dmu_tx_hold_sa_create()
1593 		dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL);  in dmu_tx_hold_sa_create()
1594 		dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL);  in dmu_tx_hold_sa_create()
1597 	dmu_tx_sa_registration_hold(sa, tx);  in dmu_tx_hold_sa_create()
1602 	(void) dmu_tx_hold_object_impl(tx, tx->tx_objset, DMU_NEW_OBJECT,  in dmu_tx_hold_sa_create()
1616 dmu_tx_hold_sa(dmu_tx_t *tx, sa_handle_t *hdl, boolean_t may_grow)  in dmu_tx_hold_sa()  argument
1619 	sa_os_t *sa = tx->tx_objset->os_sa;  in dmu_tx_hold_sa()
1627 	dmu_tx_hold_bonus_by_dnode(tx, DB_DNODE(db));  in dmu_tx_hold_sa()
1630 	if (tx->tx_objset->os_sa->sa_master_obj == 0)  in dmu_tx_hold_sa()
1633 	if (tx->tx_objset->os_sa->sa_reg_attr_obj == 0 ||  in dmu_tx_hold_sa()
1634 	    tx->tx_objset->os_sa->sa_layout_attr_obj == 0) {  in dmu_tx_hold_sa()
1635 		dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_LAYOUTS);  in dmu_tx_hold_sa()
1636 		dmu_tx_hold_zap(tx, sa->sa_master_obj, B_TRUE, SA_REGISTRY);  in dmu_tx_hold_sa()
1637 		dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL);  in dmu_tx_hold_sa()
1638 		dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL);  in dmu_tx_hold_sa()
1641 	dmu_tx_sa_registration_hold(sa, tx);  in dmu_tx_hold_sa()
1643 	if (may_grow && tx->tx_objset->os_sa->sa_layout_attr_obj)  in dmu_tx_hold_sa()
1644 		dmu_tx_hold_zap(tx, sa->sa_layout_attr_obj, B_TRUE, NULL);  in dmu_tx_hold_sa()
1647 		ASSERT(tx->tx_txg == 0);  in dmu_tx_hold_sa()
1648 		dmu_tx_hold_spill(tx, object);  in dmu_tx_hold_sa()
1652 			ASSERT(tx->tx_txg == 0);  in dmu_tx_hold_sa()
1653 			dmu_tx_hold_spill(tx, object);  in dmu_tx_hold_sa()