return mp.UpdatedAt, nil
}

// PolicyNotificationHandler - loads given policy from storage. If not present,
// deletes from cache. This notification only reads from storage, and updates
// cache. When the notification is for a policy deletion, it updates the
// user-policy and group-policy maps as well.
func (store *IAMStoreSys) PolicyNotificationHandler(ctx context.Context, policy string) error {
	if policy == "" {

func (sys *IAMSys) LoadPolicy(ctx context.Context, objAPI ObjectLayer, policyName string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.PolicyNotificationHandler(ctx, policyName)
}

// LoadPolicyMapping - loads the mapped policy for a user or group
// from storage into server memory.