kubernetes/pkg/volume/metrics_statfs.go

var _ …

type metricsStatFS …

// NewMetricsStatfs creates a new metricsStatFS with the Volume path.
func NewMetricsStatFS(path string) MetricsProvider { … }

// See MetricsProvider.GetMetrics
// GetMetrics calculates the volume usage and device free space by executing "du"
// and gathering filesystem info for the Volume path.
func (md *metricsStatFS) GetMetrics() (*Metrics, error) { … }

// getFsInfo writes metrics.Capacity, metrics.Used and metrics.Available from the filesystem info
func (md *metricsStatFS) getFsInfo(metrics *Metrics) error { … }