853 		if (btrfs_root_level(&root->root_item) == cur->level) {  in build_backref_tree()
855 			ASSERT(btrfs_root_bytenr(&root->root_item) ==  in build_backref_tree()
897 				ASSERT(btrfs_root_bytenr(&root->root_item) ==  in build_backref_tree()
1343 	struct btrfs_root_item *root_item;  in create_reloc_root()  local
1347 	root_item = kmalloc(sizeof(*root_item), GFP_NOFS);  in create_reloc_root()
1348 	BUG_ON(!root_item);  in create_reloc_root()
1370 		btrfs_set_root_last_snapshot(&root->root_item, commit_root_gen);  in create_reloc_root()
1384 	memcpy(root_item, &root->root_item, sizeof(*root_item));  in create_reloc_root()
1385 	btrfs_set_root_bytenr(root_item, eb->start);  in create_reloc_root()
1386 	btrfs_set_root_level(root_item, btrfs_header_level(eb));  in create_reloc_root()
1387 	btrfs_set_root_generation(root_item, trans->transid);  in create_reloc_root()
1390 		btrfs_set_root_refs(root_item, 0);  in create_reloc_root()
1391 		memset(&root_item->drop_progress, 0,  in create_reloc_root()
1393 		root_item->drop_level = 0;  in create_reloc_root()
1400 				&root_key, root_item);  in create_reloc_root()
1402 	kfree(root_item);  in create_reloc_root()
1457 	struct btrfs_root_item *root_item;  in btrfs_update_reloc_root()  local
1464 	root_item = &reloc_root->root_item;  in btrfs_update_reloc_root()
1467 	    btrfs_root_refs(root_item) == 0) {  in btrfs_update_reloc_root()
1474 		btrfs_set_root_node(root_item, reloc_root->node);  in btrfs_update_reloc_root()
1480 				&reloc_root->root_key, root_item);  in btrfs_update_reloc_root()
1761 	last_snapshot = btrfs_root_last_snapshot(&src->root_item);  in replace_path()
1947 	last_snapshot = btrfs_root_last_snapshot(&root->root_item);  in walk_up_reloc_tree()
1987 	last_snapshot = btrfs_root_last_snapshot(&root->root_item);  in walk_down_reloc_tree()
2132 	struct btrfs_root_item *root_item;  in merge_reloc_root()  local
2148 	root_item = &reloc_root->root_item;  in merge_reloc_root()
2150 	if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) {  in merge_reloc_root()
2151 		level = btrfs_root_level(root_item);  in merge_reloc_root()
2156 		btrfs_disk_key_to_cpu(&key, &root_item->drop_progress);  in merge_reloc_root()
2158 		level = root_item->drop_level;  in merge_reloc_root()
2232 		btrfs_node_key(path->nodes[level], &root_item->drop_progress,  in merge_reloc_root()
2234 		root_item->drop_level = level;  in merge_reloc_root()
2259 		memset(&root_item->drop_progress, 0,  in merge_reloc_root()
2260 		       sizeof(root_item->drop_progress));  in merge_reloc_root()
2261 		root_item->drop_level = 0;  in merge_reloc_root()
2262 		btrfs_set_root_refs(root_item, 0);  in merge_reloc_root()
2335 			btrfs_set_root_refs(&reloc_root->root_item, 1);  in prepare_to_merge()
2393 		if (btrfs_root_refs(&reloc_root->root_item) > 0) {  in merge_reloc_roots()
4367 	memset(&root->root_item.drop_progress, 0,  in mark_garbage_root()
4368 		sizeof(root->root_item.drop_progress));  in mark_garbage_root()
4369 	root->root_item.drop_level = 0;  in mark_garbage_root()
4370 	btrfs_set_root_refs(&root->root_item, 0);  in mark_garbage_root()
4372 				&root->root_key, &root->root_item);  in mark_garbage_root()
4437 		if (btrfs_root_refs(&reloc_root->root_item) > 0) {  in btrfs_recover_relocation()
4488 		if (btrfs_root_refs(&reloc_root->root_item) == 0) {  in btrfs_recover_relocation()
4610 	    btrfs_root_last_snapshot(&root->root_item))  in btrfs_reloc_cow_block()
4663 	BUG_ON(btrfs_root_refs(&root->root_item) == 0);  in btrfs_reloc_pre_snapshot()