52 dsl_dataset_user_hold_check_one(dsl_dataset_t *ds, const char *htag,  in dsl_dataset_user_hold_check_one()  argument
68 	if (ds != NULL && dsl_dataset_phys(ds)->ds_userrefs_obj != 0) {  in dsl_dataset_user_hold_check_one()
71 		error = zap_lookup(mos, dsl_dataset_phys(ds)->ds_userrefs_obj,  in dsl_dataset_user_hold_check_one()
117 		dsl_dataset_t *ds;  in dsl_dataset_user_hold_check()  local
130 			error = dsl_dataset_hold(dp, name, FTAG, &ds);  in dsl_dataset_user_hold_check()
133 			error = dsl_dataset_user_hold_check_one(ds, htag,  in dsl_dataset_user_hold_check()
135 			dsl_dataset_rele(ds, FTAG);  in dsl_dataset_user_hold_check()
156 dsl_dataset_user_hold_sync_one_impl(nvlist_t *tmpholds, dsl_dataset_t *ds,  in dsl_dataset_user_hold_sync_one_impl()  argument
159 	dsl_pool_t *dp = ds->ds_dir->dd_pool;  in dsl_dataset_user_hold_sync_one_impl()
165 	if (dsl_dataset_phys(ds)->ds_userrefs_obj == 0) {  in dsl_dataset_user_hold_sync_one_impl()
170 		dmu_buf_will_dirty(ds->ds_dbuf, tx);  in dsl_dataset_user_hold_sync_one_impl()
171 		zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj =  in dsl_dataset_user_hold_sync_one_impl()
174 		zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj;  in dsl_dataset_user_hold_sync_one_impl()
176 	ds->ds_userrefs++;  in dsl_dataset_user_hold_sync_one_impl()
184 		VERIFY0(dsl_pool_user_hold(dp, ds->ds_object,  in dsl_dataset_user_hold_sync_one_impl()
187 		    (u_longlong_t)ds->ds_object);  in dsl_dataset_user_hold_sync_one_impl()
199 	spa_history_log_internal_ds(ds, "hold", tx,  in dsl_dataset_user_hold_sync_one_impl()
201 	    htag, minor != 0, (u_longlong_t)ds->ds_userrefs);  in dsl_dataset_user_hold_sync_one_impl()
260 dsl_dataset_user_hold_sync_one(dsl_dataset_t *ds, const char *htag,  in dsl_dataset_user_hold_sync_one()  argument
269 	dsl_dataset_user_hold_sync_one_impl(tmpholds, ds, htag, minor, now, tx);  in dsl_dataset_user_hold_sync_one()
270 	dsl_onexit_hold_cleanup(dsl_dataset_get_spa(ds), tmpholds, minor);  in dsl_dataset_user_hold_sync_one()
288 		dsl_dataset_t *ds;  in dsl_dataset_user_hold_sync()  local
290 		VERIFY0(dsl_dataset_hold(dp, nvpair_name(pair), FTAG, &ds));  in dsl_dataset_user_hold_sync()
291 		dsl_dataset_user_hold_sync_one_impl(tmpholds, ds,  in dsl_dataset_user_hold_sync()
293 		dsl_dataset_rele(ds, FTAG);  in dsl_dataset_user_hold_sync()
371     dsl_dataset_t *ds, nvlist_t *holds, const char *snapname)  in dsl_dataset_user_release_check_one()  argument
378 	if (!ds->ds_is_snapshot)  in dsl_dataset_user_release_check_one()
385 	mos = ds->ds_dir->dd_pool->dp_meta_objset;  in dsl_dataset_user_release_check_one()
386 	zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj;  in dsl_dataset_user_release_check_one()
424 	if (DS_IS_DEFER_DESTROY(ds) &&  in dsl_dataset_user_release_check_one()
425 	    dsl_dataset_phys(ds)->ds_num_children == 1 &&  in dsl_dataset_user_release_check_one()
426 	    ds->ds_userrefs == numholds) {  in dsl_dataset_user_release_check_one()
428 		if (dsl_dataset_long_held(ds)) {  in dsl_dataset_user_release_check_one()
464 		dsl_dataset_t *ds;  in dsl_dataset_user_release_check()  local
472 			error = holdfunc(dp, snapname, FTAG, &ds);  in dsl_dataset_user_release_check()
474 			error = dsl_dataset_user_release_check_one(ddura, ds,  in dsl_dataset_user_release_check()
476 			dsl_dataset_rele(ds, FTAG);  in dsl_dataset_user_release_check()
496 dsl_dataset_user_release_sync_one(dsl_dataset_t *ds, nvlist_t *holds,  in dsl_dataset_user_release_sync_one()  argument
499 	dsl_pool_t *dp = ds->ds_dir->dd_pool;  in dsl_dataset_user_release_sync_one()
508 		error = dsl_pool_user_release(dp, ds->ds_object, holdname, tx);  in dsl_dataset_user_release_sync_one()
511 		VERIFY0(zap_remove(mos, dsl_dataset_phys(ds)->ds_userrefs_obj,  in dsl_dataset_user_release_sync_one()
513 		ds->ds_userrefs--;  in dsl_dataset_user_release_sync_one()
515 		spa_history_log_internal_ds(ds, "release", tx,  in dsl_dataset_user_release_sync_one()
516 		    "tag=%s refs=%lld", holdname, (longlong_t)ds->ds_userrefs);  in dsl_dataset_user_release_sync_one()
532 		dsl_dataset_t *ds;  in dsl_dataset_user_release_sync()  local
535 		VERIFY0(holdfunc(dp, name, FTAG, &ds));  in dsl_dataset_user_release_sync()
537 		dsl_dataset_user_release_sync_one(ds,  in dsl_dataset_user_release_sync()
540 			ASSERT(ds->ds_userrefs == 0 &&  in dsl_dataset_user_release_sync()
541 			    dsl_dataset_phys(ds)->ds_num_children == 1 &&  in dsl_dataset_user_release_sync()
542 			    DS_IS_DEFER_DESTROY(ds));  in dsl_dataset_user_release_sync()
543 			dsl_destroy_snapshot_sync_impl(ds, B_FALSE, tx);  in dsl_dataset_user_release_sync()
545 		dsl_dataset_rele(ds, FTAG);  in dsl_dataset_user_release_sync()
594 			dsl_dataset_t *ds;  in dsl_dataset_user_release_impl()  local
598 			    nvpair_name(pair), FTAG, &ds);  in dsl_dataset_user_release_impl()
601 				dsl_dataset_name(ds, name);  in dsl_dataset_user_release_impl()
603 				dsl_dataset_rele(ds, FTAG);  in dsl_dataset_user_release_impl()
662 	dsl_dataset_t *ds;  in dsl_dataset_get_holds()  local
668 	err = dsl_dataset_hold(dp, dsname, FTAG, &ds);  in dsl_dataset_get_holds()
674 	if (dsl_dataset_phys(ds)->ds_userrefs_obj != 0) {  in dsl_dataset_get_holds()
679 		for (zap_cursor_init(&zc, ds->ds_dir->dd_pool->dp_meta_objset,  in dsl_dataset_get_holds()
680 		    dsl_dataset_phys(ds)->ds_userrefs_obj);  in dsl_dataset_get_holds()
689 	dsl_dataset_rele(ds, FTAG);  in dsl_dataset_get_holds()