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: cadvisor_linux.go
    path of file: ./repos/kubeedge/vendor/k8s.io/kubernetes/pkg/kubelet/cadvisor
    
    the code of the file until where you have to start completion: //go:build linux
// +build linux

/*
Copyright 2015 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless requ
    
func (cc *cadvisorClient) getFsInfo(label string) (cadvisorapiv2.FsInfo, error) {
	res, err := cc.GetFsInfo(label)
	if err != nil {
		return cadvisorapiv2.FsInfo{}, err
	}
	if len(res) == 0 {
		return cadvisorapiv2.FsInfo{}, fmt.Errorf("failed to find information for the filesystem labeled %q", label)
	}
	// TODO(vmarmol): Handle this better when a label has more than one image filesystem.
	if len(res) > 1 {
		klog.InfoS("More than one filesystem labeled. Only using the first one", "label", label, "fileSystem", res)
	}

	return res[0], nil
}