CheckpointFileReader searcher =
new CheckpointFileReader(envImpl, readBufferSize, false,
info.lastUsedLsn, DbLsn.NULL_LSN,
info.nextAvailableLsn);
while (searcher.readNextEntry()) {
/*
* Continue iterating until we find a checkpoint end entry.
* While we're at it, remember the last root seen in case we
* don't find a checkpoint end entry.