328   SequenceNumber snapshot_seq = kMaxSequenceNumber;  in NewIterator()  local
331     snapshot_seq = options.snapshot->GetSequenceNumber();  in NewIterator()
339     snapshot_seq = snapshot->GetSequenceNumber();  in NewIterator()
344   assert(snapshot_seq != kMaxSequenceNumber);  in NewIterator()
348       new IteratorState(this, snapshot_seq, own_snapshot, min_uncommitted);  in NewIterator()
350       db_impl_->NewIteratorImpl(options, cfd, snapshot_seq, &state->callback,  in NewIterator()
363   SequenceNumber snapshot_seq = kMaxSequenceNumber;  in NewIterators()  local
366     snapshot_seq = options.snapshot->GetSequenceNumber();  in NewIterators()
374     snapshot_seq = snapshot->GetSequenceNumber();  in NewIterators()
385         new IteratorState(this, snapshot_seq, own_snapshot, min_uncommitted);  in NewIterators()
387         db_impl_->NewIteratorImpl(options, cfd, snapshot_seq, &state->callback,  in NewIterators()
889     SequenceNumber snapshot_seq =  in CheckAgainstSnapshots()  local
897       search_larger_list = snapshot_seq < evicted.commit_seq;  in CheckAgainstSnapshots()
900                                  snapshot_seq, !next_is_larger)) {  in CheckAgainstSnapshots()
925       SequenceNumber snapshot_seq =  in CheckAgainstSnapshots()  local
928                                    snapshot_seq, next_is_larger)) {  in CheckAgainstSnapshots()
943     const uint64_t& snapshot_seq, const bool next_is_larger = true) {  in MaybeUpdateOldCommitMap()  argument
947   if (commit_seq <= snapshot_seq) {  in MaybeUpdateOldCommitMap()
952   if (prep_seq <= snapshot_seq) {  // overlapping range  in MaybeUpdateOldCommitMap()
957                    snapshot_seq, prep_seq, commit_seq);  in MaybeUpdateOldCommitMap()
960     auto& vec = old_commit_map_[snapshot_seq];  in MaybeUpdateOldCommitMap()