kubernetes/pkg/api/v1/persistentvolume/util.go

func getClaimRefNamespace(pv *corev1.PersistentVolume) string { … }

type Visitor …

func skipEmptyNames(visitor Visitor) Visitor { … }

// VisitPVSecretNames invokes the visitor function with the name of every secret
// referenced by the PV spec. If visitor returns false, visiting is short-circuited.
// Returns true if visiting completed, false if visiting was short-circuited.
func VisitPVSecretNames(pv *corev1.PersistentVolume, visitor Visitor) bool { … }