cur_trans->dirty_bg_run = 0;
cur_trans->delayed_refs.href_root = RB_ROOT;
+ cur_trans->delayed_refs.dirty_extent_root = RB_ROOT;
atomic_set(&cur_trans->delayed_refs.num_entries, 0);
cur_trans->delayed_refs.num_heads_ready = 0;
cur_trans->delayed_refs.pending_csums = 0;