fs/zfs/dsl_pool.c

231 	dsl_dataset_t *ds;
255 		    FTAG, &ds);
258 			    ds->ds_phys->ds_prev_snap_obj, dp,
260 			dsl_dataset_rele(ds, FTAG);
360 	dsl_dataset_t *ds;
409 	VERIFY0(dsl_dataset_hold_obj(dp, obj, FTAG, &ds));
410 	os = dmu_objset_create_impl(dp->dp_spa, ds,
411 	    dsl_dataset_get_blkptr(ds), DMU_OST_ZFS, tx);
415 	dsl_dataset_rele(ds, FTAG);
481 	dsl_dataset_t *ds;
494 	while ((ds = txg_list_remove(&dp->dp_dirty_datasets, txg)) != NULL) {
500 		ASSERT(!list_link_active(&ds->ds_synced_link));
501 		list_insert_tail(&synced_datasets, ds);
502 		dsl_dataset_sync(ds, zio, tx);
519 	for (ds = list_head(&synced_datasets); ds != NULL;
520 	    ds = list_next(&synced_datasets, ds)) {
521 		dmu_objset_do_userquota_updates(ds->ds_objset, tx);
532 	while ((ds = txg_list_remove(&dp->dp_dirty_datasets, txg)) != NULL) {
533 		ASSERT(list_link_active(&ds->ds_synced_link));
534 		dmu_buf_rele(ds->ds_dbuf, ds);
535 		dsl_dataset_sync(ds, zio, tx);
546 	while ((ds = list_remove_head(&synced_datasets)) != NULL) {
547 		objset_t *os = ds->ds_objset;
548 		bplist_iterate(&ds->ds_pending_deadlist,
549 		    deadlist_enqueue_cb, &ds->ds_deadlist, tx);
551 		dmu_buf_rele(ds->ds_dbuf, ds);
609 		dsl_dataset_t *ds = dmu_objset_ds(zilog->zl_os);
612 		dmu_buf_rele(ds->ds_dbuf, zilog);
700 	dsl_dataset_t *ds, *prev = NULL;
703 	err = dsl_dataset_hold_obj(dp, hds->ds_object, FTAG, &ds);
707 	while (ds->ds_phys->ds_prev_snap_obj != 0) {
708 		err = dsl_dataset_hold_obj(dp, ds->ds_phys->ds_prev_snap_obj,
711 			dsl_dataset_rele(ds, FTAG);
715 		if (prev->ds_phys->ds_next_snap_obj != ds->ds_object)
717 		dsl_dataset_rele(ds, FTAG);
718 		ds = prev;
732 		if (ds->ds_object == prev->ds_object) {
733 			dsl_dataset_rele(ds, FTAG);
737 		dmu_buf_will_dirty(ds->ds_dbuf, tx);
738 		ds->ds_phys->ds_prev_snap_obj = prev->ds_object;
739 		ds->ds_phys->ds_prev_snap_txg = prev->ds_phys->ds_creation_txg;
741 		dmu_buf_will_dirty(ds->ds_dir->dd_dbuf, tx);
742 		ds->ds_dir->dd_phys->dd_origin_obj = prev->ds_object;
747 		if (ds->ds_phys->ds_next_snap_obj == 0) {
748 			ASSERT(ds->ds_prev == NULL);
750 			    ds->ds_phys->ds_prev_snap_obj, ds, &ds->ds_prev));
754 	ASSERT3U(ds->ds_dir->dd_phys->dd_origin_obj, ==, prev->ds_object);
755 	ASSERT3U(ds->ds_phys->ds_prev_snap_obj, ==, prev->ds_object);
764 	    prev->ds_phys->ds_next_clones_obj, ds->ds_object, tx));
766 	dsl_dataset_rele(ds, FTAG);
784 upgrade_dir_clones_cb(dsl_pool_t *dp, dsl_dataset_t *ds, void *arg)
789 	if (ds->ds_dir->dd_phys->dd_origin_obj != 0) {
793 		    ds->ds_dir->dd_phys->dd_origin_obj, FTAG, &origin));
802 		    origin->ds_dir->dd_phys->dd_clones, ds->ds_object, tx));
838 	dsl_dataset_t *ds;
844 	/* create the origin dir, ds, & snap-ds */
847 	VERIFY0(dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds));
848 	dsl_dataset_snapshot_sync_impl(ds, ORIGIN_DIR_NAME, tx);
849 	VERIFY0(dsl_dataset_hold_obj(dp, ds->ds_phys->ds_prev_snap_obj,
851 	dsl_dataset_rele(ds, FTAG);