748 	struct btrfs_root_item *root_item;  in create_reloc_root()  local
753 	root_item = kmalloc(sizeof(*root_item), GFP_NOFS);  in create_reloc_root()
754 	if (!root_item)  in create_reloc_root()
779 		btrfs_set_root_last_snapshot(&root->root_item, commit_root_gen);  in create_reloc_root()
800 	memcpy(root_item, &root->root_item, sizeof(*root_item));  in create_reloc_root()
801 	btrfs_set_root_bytenr(root_item, eb->start);  in create_reloc_root()
802 	btrfs_set_root_level(root_item, btrfs_header_level(eb));  in create_reloc_root()
803 	btrfs_set_root_generation(root_item, trans->transid);  in create_reloc_root()
806 		btrfs_set_root_refs(root_item, 0);  in create_reloc_root()
807 		memset(&root_item->drop_progress, 0,  in create_reloc_root()
809 		btrfs_set_root_drop_level(root_item, 0);  in create_reloc_root()
816 				&root_key, root_item);  in create_reloc_root()
820 	kfree(root_item);  in create_reloc_root()
831 	kfree(root_item);  in create_reloc_root()
917 	struct btrfs_root_item *root_item;  in btrfs_update_reloc_root()  local
924 	root_item = &reloc_root->root_item;  in btrfs_update_reloc_root()
935 	    btrfs_root_refs(root_item) == 0) {  in btrfs_update_reloc_root()
947 		btrfs_set_root_node(root_item, reloc_root->node);  in btrfs_update_reloc_root()
953 				&reloc_root->root_key, root_item);  in btrfs_update_reloc_root()
1235 	last_snapshot = btrfs_root_last_snapshot(&src->root_item);  in replace_path()
1446 	last_snapshot = btrfs_root_last_snapshot(&root->root_item);  in walk_up_reloc_tree()
1484 	last_snapshot = btrfs_root_last_snapshot(&root->root_item);  in walk_down_reloc_tree()
1624 	reloc_root_item = &reloc_root->root_item;  in insert_dirty_subvol()
1701 	struct btrfs_root_item *root_item;  in merge_reloc_root()  local
1717 	root_item = &reloc_root->root_item;  in merge_reloc_root()
1719 	if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) {  in merge_reloc_root()
1720 		level = btrfs_root_level(root_item);  in merge_reloc_root()
1725 		btrfs_disk_key_to_cpu(&key, &root_item->drop_progress);  in merge_reloc_root()
1727 		level = btrfs_root_drop_level(root_item);  in merge_reloc_root()
1752 	reserve_level = max_t(int, 1, btrfs_root_level(root_item));  in merge_reloc_root()
1816 		btrfs_node_key(path->nodes[level], &root_item->drop_progress,  in merge_reloc_root()
1818 		btrfs_set_root_drop_level(root_item, level);  in merge_reloc_root()
1930 						  &root->reloc_root->root_item),  in prepare_to_merge()
1935 						  &reloc_root->root_item));  in prepare_to_merge()
1944 						  &reloc_root->root_item));  in prepare_to_merge()
1959 			btrfs_set_root_refs(&reloc_root->root_item, 1);  in prepare_to_merge()
2024 		if (btrfs_root_refs(&reloc_root->root_item) > 0) {  in merge_reloc_roots()
4185 	memset(&root->root_item.drop_progress, 0,  in mark_garbage_root()
4186 		sizeof(root->root_item.drop_progress));  in mark_garbage_root()
4187 	btrfs_set_root_drop_level(&root->root_item, 0);  in mark_garbage_root()
4188 	btrfs_set_root_refs(&root->root_item, 0);  in mark_garbage_root()
4190 				&root->root_key, &root->root_item);  in mark_garbage_root()
4255 		if (btrfs_root_refs(&reloc_root->root_item) > 0) {  in btrfs_recover_relocation()
4313 		if (btrfs_root_refs(&reloc_root->root_item) == 0) {  in btrfs_recover_relocation()
4443 	    btrfs_root_last_snapshot(&root->root_item))  in btrfs_reloc_cow_block()
4494 	BUG_ON(btrfs_root_refs(&root->root_item) == 0);  in btrfs_reloc_pre_snapshot()