BATCH_IDX_TO_TREE_IDX
idx = BATCH_IDX_TO_TREE_IDX(batch_id, j);
idx = BATCH_IDX_TO_TREE_IDX(batch_id, j);
idx = BATCH_IDX_TO_TREE_IDX(batch_id, i);
BATCH_IDX_TO_TREE_IDX(batch_tag->batch_id, batch_tag->sub_seqno);
log->seqno = BATCH_IDX_TO_TREE_IDX(log_ring->mono_upward_batch_id, 0);