Lines Matching defs:exist
691 struct btrfs_delayed_ref_node *exist;
695 exist = tree_insert(&href->ref_tree, ref);
696 if (!exist) {
706 if (exist->action == ref->action) {
710 if (exist->ref_mod < ref->ref_mod) {
711 exist->action = ref->action;
712 mod = -exist->ref_mod;
713 exist->ref_mod = ref->ref_mod;
715 list_add_tail(&exist->add_list,
718 ASSERT(!list_empty(&exist->add_list));
719 list_del(&exist->add_list);
726 exist->ref_mod += mod;
729 if (exist->ref_mod == 0)
730 drop_delayed_ref(trans->fs_info, root, href, exist);