}
	t.Log("serialized size:", buf.Len(), "bytes")
	var got dataUsageCache
	err = got.deserialize(&buf)
	if err != nil {
		t.Fatal(err)
	}
	if got.Info.LastUpdate.IsZero() {
		t.Error("lastupdate not set")
	}

	if !want.Info.LastUpdate.Equal(got.Info.LastUpdate) {
		t.Fatalf("deserialize LastUpdate mismatch\nwant: %+v\ngot:  %+v", want, got)
	}
	if len(want.Cache) != len(got.Cache) {

		storageLogOnceIf(ctx, err, "get-object-file-info-manually-modified")
		return fi, nil, nil, toObjectErr(err, bucket, object, opts.VersionID)
	}

	filterOnlineDisksInplace(fi, onlineMeta, onlineDisks)
	for i := range onlineMeta {
		// verify metadata is valid, it has similar erasure info
		// as well as common modtime, if modtime is not possible

	if err != nil {
		return Info{}, err
	}
	//nolint:unconvert
	devID := uint64(st.Dev) // Needed to support multiple GOARCHs
	info.Major = unix.Major(devID)
	info.Minor = unix.Minor(devID)

	// Check for overflows.
	// https://github.com/minio/minio/issues/8035
	// XFS can show wrong values at times error out
	// in such scenarios.
	if info.Free > info.Total {

		Ffree:  uint64(s.Ffree),
		FSType: string(s.Fstypename[:]),
	}
	if info.Free > info.Total {
		return info, fmt.Errorf("detected free space (%d) > total drive space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
	}
	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {

		Ffree:  uint64(s.F_ffree),
		FSType: getFSType(s.F_fstypename[:]),
	}
	if info.Free > info.Total {
		return info, fmt.Errorf("detected free space (%d) > total drive space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
	}
	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor

				continue
			}

			ldapUsername, ok := jwtClaims.Lookup(ldapUserN)
			if !ok {
				// skip this cred - we dont have the
				// username info needed
				continue
			}

			// Collect each new cred.ParentUser into parentUsers
			parentUsers = append(parentUsers, cred.ParentUser)

			// Update the ldapUsernameMap
			parentUserToLDAPUsernameMap[cred.ParentUser] = ldapUsername
		}

		info.Metrics.TotalErrorsTimeout = p.totalErrsTimeout.Load()
		info.Metrics.TotalErrorsAvailability = p.totalErrsAvailability.Load()
		if p.health.isFaulty() {
			// if disk is already faulty return faulty for 'mc admin info' output and prometheus alerts.
			return info, errFaultyDisk
		}
		return info, nil
	}

	defer func() {
		if opts.Metrics {
			info.Metrics = p.getMetrics()
		}

	c.Assert(response.StatusCode, http.StatusOK)

	// retrieve the info of last modification time of the object from the response header.
	lastModified := response.Header.Get("Last-Modified")
	// Parse it into time.Time structure.
	t, err := time.Parse(http.TimeFormat, lastModified)
	c.Assert(err, nil)

	// make HTTP request to obtain object info.

		zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "Info":
			err = z.Info.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Info")
				return
			}
		case "Cache":
			var zb0002 uint32
			zb0002, err = dc.ReadMapHeader()
			if err != nil {
				err = msgp.WrapError(err, "Cache")

			exit(stopProcess())
		case osSignal := <-globalOSSignalCh:
			logger.Info("Exiting on signal: %s", strings.ToUpper(osSignal.String()))
			daemon.SdNotify(false, daemon.SdNotifyStopping)
			exit(stopProcess())
		case signal := <-globalServiceSignalCh:
			switch signal {
			case serviceRestart:
				logger.Info("Restarting on service signal")
				daemon.SdNotify(false, daemon.SdNotifyReloading)