tmp_uiter 2215 fs/btrfs/qgroup.c struct ulist_iterator tmp_uiter; tmp_uiter 2235 fs/btrfs/qgroup.c ULIST_ITER_INIT(&tmp_uiter); tmp_uiter 2236 fs/btrfs/qgroup.c while ((tmp_unode = ulist_next(tmp, &tmp_uiter))) {