956   WriteBatch* merged_batch = nullptr;  in MergeBatch()  local
965     merged_batch = leader->batch;  in MergeBatch()
966     if (WriteBatchInternal::IsLatestPersistentState(merged_batch)) {  in MergeBatch()
967       *to_be_cached_state = merged_batch;  in MergeBatch()
974     merged_batch = tmp_batch;  in MergeBatch()
977         WriteBatchInternal::Append(merged_batch, writer->batch,  in MergeBatch()
987   return merged_batch;  in MergeBatch()
992 IOStatus DBImpl::WriteToWAL(const WriteBatch& merged_batch,  in WriteToWAL()  argument
996   Slice log_entry = WriteBatchInternal::Contents(&merged_batch);  in WriteToWAL()
1034   WriteBatch* merged_batch = MergeBatch(write_group, &tmp_batch_,  in WriteToWAL()  local
1036   if (merged_batch == write_group.leader->batch) {  in WriteToWAL()
1044   WriteBatchInternal::SetSequence(merged_batch, sequence);  in WriteToWAL()
1047   io_s = WriteToWAL(*merged_batch, log_writer, log_used, &log_size);  in WriteToWAL()
1077   if (merged_batch == &tmp_batch_) {  in WriteToWAL()
1104   WriteBatch* merged_batch =  in ConcurrentWriteToWAL()  local
1110   if (merged_batch == write_group.leader->batch) {  in ConcurrentWriteToWAL()
1119   WriteBatchInternal::SetSequence(merged_batch, sequence);  in ConcurrentWriteToWAL()
1123   io_s = WriteToWAL(*merged_batch, log_writer, log_used, &log_size);  in ConcurrentWriteToWAL()