serverStats.TotalS3Canceled = ServerHTTPAPIStats{
		APIStats: st.totalS3Canceled.Load(toLowerKeys),
	}
	return serverStats
}

// Update statistics from http request and response data
func (st *HTTPStats) updateStats(api string, w *xhttp.ResponseRecorder) {
	st.totalS3Requests.Inc(api)

	// Increment the prometheus http request response histogram with appropriate label

			// This means that policy was in the old version (without any
			// timestamp info). We fetch the mod time of the file and save
			// that as create and update date.
			p.CreateDate = objInfo.ModTime
			p.UpdateDate = objInfo.ModTime
		}

		m[policy] = p
		return nil
	}
}

func (iamOS *IAMObjectStore) loadPolicy(ctx context.Context, policy string) (PolicyDoc, error) {
	var p PolicyDoc

	Policy     policy.Policy
	CreateDate time.Time `json:",omitempty"`
	UpdateDate time.Time `json:",omitempty"`
}

func newPolicyDoc(p policy.Policy) PolicyDoc {
	now := UTCNow().Round(time.Millisecond)
	return PolicyDoc{
		Version:    1,
		Policy:     p,
		CreateDate: now,
		UpdateDate: now,
	}
}

// defaultPolicyDoc - used to wrap a default policy as PolicyDoc.

	pdata, err := json.Marshal(d.Policy)
	if err != nil {
		return nil, err
	}

	return &madmin.PolicyInfo{
		PolicyName: policyName,
		Policy:     pdata,
		CreateDate: d.CreateDate,
		UpdateDate: d.UpdateDate,
	}, nil
}

// ListPolicies - lists all canned policies.
func (sys *IAMSys) ListPolicies(ctx context.Context, bucketName string) (map[string]policy.Policy, error) {
	if !sys.Initialized() {