fs/zfs/dsl_destroy.c

147     dsl_dataset_t *ds_next, boolean_t after_branch_point, dmu_tx_t *tx)
155 	ASSERT(ds_next->ds_deadlist.dl_oldfmt);
161 	VERIFY0(bpobj_iterate(&ds_next->ds_deadlist.dl_bpobj,
172 	dsl_deadlist_close(&ds_next->ds_deadlist);
175 	    dsl_dataset_phys(ds_next)->ds_deadlist_obj;
176 	dsl_dataset_phys(ds_next)->ds_deadlist_obj = deadlist_obj;
179 	dsl_deadlist_open(&ds_next->ds_deadlist, mos,
180 	    dsl_dataset_phys(ds_next)->ds_deadlist_obj);
220 dsl_destroy_snapshot_handle_remaps(dsl_dataset_t *ds, dsl_dataset_t *ds_next,
226 	if (dsl_dataset_remap_deadlist_exists(ds_next)) {
230 		dsl_deadlist_move_bpobj(&ds_next->ds_remap_deadlist,
241 		mutex_enter(&ds_next->ds_remap_deadlist_lock);
242 		if (!dsl_dataset_remap_deadlist_exists(ds_next))
243 			dsl_dataset_create_remap_deadlist(ds_next, tx);
244 		mutex_exit(&ds_next->ds_remap_deadlist_lock);
246 		dsl_deadlist_merge(&ds_next->ds_remap_deadlist,
318 	dsl_dataset_t *ds_next;
323 	    dsl_dataset_phys(ds)->ds_next_snap_obj, FTAG, &ds_next));
324 	ASSERT3U(dsl_dataset_phys(ds_next)->ds_prev_snap_obj, ==, obj);
326 	old_unique = dsl_dataset_phys(ds_next)->ds_unique_bytes;
328 	dmu_buf_will_dirty(ds_next->ds_dbuf, tx);
329 	dsl_dataset_phys(ds_next)->ds_prev_snap_obj =
331 	dsl_dataset_phys(ds_next)->ds_prev_snap_txg =
336 	if (ds_next->ds_deadlist.dl_oldfmt) {
337 		process_old_deadlist(ds, ds_prev, ds_next,
342 			dsl_deadlist_space_range(&ds_next->ds_deadlist,
350 		dsl_deadlist_space_range(&ds_next->ds_deadlist,
357 		dsl_deadlist_move_bpobj(&ds_next->ds_deadlist,
364 		dsl_deadlist_merge(&ds_next->ds_deadlist,
373 	dsl_destroy_snapshot_handle_remaps(ds, ds_next, tx);
379 	if (ds_next->ds_is_snapshot) {
392 		    dsl_dataset_phys(ds_next)->ds_next_snap_obj,
398 		dsl_dataset_phys(ds_next)->ds_unique_bytes += used;
400 		ASSERT3P(ds_next->ds_prev, ==, NULL);
415 		ASSERT3P(ds_next->ds_prev, ==, ds);
416 		dsl_dataset_rele(ds_next->ds_prev, ds_next);
417 		ds_next->ds_prev = NULL;
421 			    ds_next, &ds_next->ds_prev));
424 		dsl_dataset_recalc_head_uniq(ds_next);
431 		if (old_unique < ds_next->ds_reserved) {
434 			    dsl_dataset_phys(ds_next)->ds_unique_bytes;
438 			    ds_next->ds_reserved - old_unique);
443 	dsl_dataset_rele(ds_next, FTAG);