296       SequenceNumber sequence;  in GetSortedWalsOfType()  local
297       Status s = ReadFirstRecord(log_type, number, &sequence);  in GetSortedWalsOfType()
301       if (sequence == 0) {  in GetSortedWalsOfType()
331           new LogFileImpl(number, log_type, sequence, size_bytes)));  in GetSortedWalsOfType()
372                                    SequenceNumber* sequence) {  in ReadFirstRecord()  argument
373   *sequence = 0;  in ReadFirstRecord()
384       *sequence = itr->second;  in ReadFirstRecord()
391     s = ReadFirstLine(fname, number, sequence);  in ReadFirstRecord()
402     s = ReadFirstLine(archived_file, number, sequence);  in ReadFirstRecord()
411   if (s.ok() && *sequence != 0) {  in ReadFirstRecord()
413     read_first_record_cache_.insert({number, *sequence});  in ReadFirstRecord()
448                                  SequenceNumber* sequence) {  in ReadFirstLine()  argument
498       *sequence = WriteBatchInternal::Sequence(&batch);  in ReadFirstLine()
505   *sequence = 0;  in ReadFirstLine()