You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: dump.go
    path of file: ./repos/upspin/dir/dircache
    
    the code of the file until where you have to start completion: // Copyright 2017 The Upspin Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file is meant for debugging. To include in the library, remove the build
// constraints (one for ea
    
func DumpLog(cfg upspin.Config, dir string) error {
	l := &clog{
		cfg: cfg,
		dir: dir,
		lru: cache.NewLRU(LRUMax),
	}
	l.proxied = newProxiedDirs(l)

	// Dump the log files in ascending time order.
	files, highestLogFile, err := listSorted(dir, true)
	if err != nil {
		return err
	}
	l.highestLogFile = highestLogFile
	for _, lfi := range files {
		err := l.dumpLogFile(lfi.Name(l.dir))
		if err != nil {
			fmt.Printf("reading %s: %s\n", lfi.Name(l.dir), err)
		}
	}

	return nil
}