736 	struct btrfs_root_item *root_item;  in create_reloc_root()  local
741 	root_item = kmalloc(sizeof(*root_item), GFP_NOFS);  in create_reloc_root()
742 	if (!root_item)  in create_reloc_root()
767 		btrfs_set_root_last_snapshot(&root->root_item, commit_root_gen);  in create_reloc_root()
788 	memcpy(root_item, &root->root_item, sizeof(*root_item));  in create_reloc_root()
789 	btrfs_set_root_bytenr(root_item, eb->start);  in create_reloc_root()
790 	btrfs_set_root_level(root_item, btrfs_header_level(eb));  in create_reloc_root()
791 	btrfs_set_root_generation(root_item, trans->transid);  in create_reloc_root()
794 		btrfs_set_root_refs(root_item, 0);  in create_reloc_root()
795 		memset(&root_item->drop_progress, 0,  in create_reloc_root()
797 		btrfs_set_root_drop_level(root_item, 0);  in create_reloc_root()
804 				&root_key, root_item);  in create_reloc_root()
808 	kfree(root_item);  in create_reloc_root()
819 	kfree(root_item);  in create_reloc_root()
905 	struct btrfs_root_item *root_item;  in btrfs_update_reloc_root()  local
912 	root_item = &reloc_root->root_item;  in btrfs_update_reloc_root()
923 	    btrfs_root_refs(root_item) == 0) {  in btrfs_update_reloc_root()
935 		btrfs_set_root_node(root_item, reloc_root->node);  in btrfs_update_reloc_root()
941 				&reloc_root->root_key, root_item);  in btrfs_update_reloc_root()
1220 	last_snapshot = btrfs_root_last_snapshot(&src->root_item);  in replace_path()
1429 	last_snapshot = btrfs_root_last_snapshot(&root->root_item);  in walk_up_reloc_tree()
1467 	last_snapshot = btrfs_root_last_snapshot(&root->root_item);  in walk_down_reloc_tree()
1605 	reloc_root_item = &reloc_root->root_item;  in insert_dirty_subvol()
1682 	struct btrfs_root_item *root_item;  in merge_reloc_root()  local
1698 	root_item = &reloc_root->root_item;  in merge_reloc_root()
1700 	if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) {  in merge_reloc_root()
1701 		level = btrfs_root_level(root_item);  in merge_reloc_root()
1706 		btrfs_disk_key_to_cpu(&key, &root_item->drop_progress);  in merge_reloc_root()
1708 		level = btrfs_root_drop_level(root_item);  in merge_reloc_root()
1733 	reserve_level = max_t(int, 1, btrfs_root_level(root_item));  in merge_reloc_root()
1796 		btrfs_node_key(path->nodes[level], &root_item->drop_progress,  in merge_reloc_root()
1798 		btrfs_set_root_drop_level(root_item, level);  in merge_reloc_root()
1907 			btrfs_set_root_refs(&reloc_root->root_item, 1);  in prepare_to_merge()
1972 		if (btrfs_root_refs(&reloc_root->root_item) > 0) {  in merge_reloc_roots()
4129 	memset(&root->root_item.drop_progress, 0,  in mark_garbage_root()
4130 		sizeof(root->root_item.drop_progress));  in mark_garbage_root()
4131 	btrfs_set_root_drop_level(&root->root_item, 0);  in mark_garbage_root()
4132 	btrfs_set_root_refs(&root->root_item, 0);  in mark_garbage_root()
4134 				&root->root_key, &root->root_item);  in mark_garbage_root()
4200 		if (btrfs_root_refs(&reloc_root->root_item) > 0) {  in btrfs_recover_relocation()
4258 		if (btrfs_root_refs(&reloc_root->root_item) == 0) {  in btrfs_recover_relocation()
4394 	    btrfs_root_last_snapshot(&root->root_item))  in btrfs_reloc_cow_block()
4445 	BUG_ON(btrfs_root_refs(&root->root_item) == 0);  in btrfs_reloc_pre_snapshot()