mountsPath := filepath.Join(dir, "mounts")
	if err = os.WriteFile(mountsPath, []byte(successCase), 0o666); err != nil {
		t.Fatal(err)
	}
	// Verifies if reading each line worked properly.
	{
		var mounts mountInfos
		mounts, err = readProcMounts(mountsPath)
		if err != nil {
			t.Fatal(err)
		}
		if len(mounts) != 3 {
			t.Fatalf("expected 3 mounts, got %d", len(mounts))
		}

			// At this point if the mount point has a common prefix two conditions can happen.
			// - mount.Path matches exact with `path` means we can proceed no error here.
			// - mount.Path doesn't match (means cross-device mount), should error out.
			if mount.Path != path {
				crossMounts = append(crossMounts, mount)
			}
		}
	}

	raw, err := os.ReadFile("/proc/mounts")
	if err != nil {
		return err
	}

	if !strings.HasSuffix(kubeletRunDirectory, "/") {
		// trailing "/" is needed to ensure that possibly mounted /var/lib/kubelet is skipped
		kubeletRunDirectory += "/"
	}

	var errList []error
	mounts := strings.Split(string(raw), "\n")
	flagsInt := flagsToInt(flags)
	for _, mount := range mounts {
		m := strings.Split(mount, " ")

package mountinfo

// mountInfo - This represents a single line in /proc/mounts.
type mountInfo struct {
	Device  string
	Path    string
	FSType  string
	Options []string
	Freq    string
	Pass    string
}

func (m mountInfo) String() string {
	return m.Path
}

// mountInfos - This represents the entire /proc/mounts.

	tmpMounts, err := os.CreateTemp("", "mounts")
	if err != nil {
		return "", fmt.Errorf("cannot create temporary mount file: %v", err)
	}
	tmpMountsFileName := tmpMounts.Name()
	defer tmpMounts.Close()
	defer os.Remove(tmpMountsFileName)

	mounts, err := os.Open(MountsFile)
	if err != nil {
		return "", fmt.Errorf("cannot open mounts file %s: %v", MountsFile, err)
	}
	defer mounts.Close()

			ContainerPath:  `C:\Windows\System32\drivers\etc\hosts`,
			HostPath:       filepath.Join(podDir, "etc-hosts"),
			ReadOnly:       false,
			SELinuxRelabel: true,
		},
	}
	assert.Equal(t, expectedMounts, mounts, "mounts of container %+v", container)

apiVersion: release-notes/v2
kind: feature
area: installation
issue:
- 31410
releaseNotes:
- |
  **Improved** configmaps to be read directly rather than from volume mounts. This improves the speed

apiVersion: release-notes/v2
kind: feature
area: installation
issue:
- 26882
releaseNotes:
- |
  **Improved** sidecar injection to not modify the pod `securityPolicy.fsGroup` which could conflict with existing settings and secret mounts.

)

// Exposed for testing "constants"
var (
	CNIBinDir     = "/opt/cni/bin"
	HostCNIBinDir = "/host/opt/cni/bin"
	// Well-known subpath we will mount any needed host-mounts under,
	// to preclude shadowing or breaking any pod-internal mounts
	HostMountsPath = "/host"

// FirstQuota is the quota ID we start with.
// XXXXXXX Need a better way of doing this...
var FirstQuota QuotaID = 1048577

// MountsFile is the location of the system mount data
var MountsFile = "/proc/self/mounts"

// MountParseRegexp parses out /proc/sys/self/mounts
var MountParseRegexp = regexp.MustCompilePOSIX("^([^ ]*)[ \t]*([^ ]*)[ \t]*([^ ]*)") // Ignore options etc.

// LinuxVolumeQuotaProvider returns an appropriate quota applier