totalInodes    MetricName = "total_inodes"
	readsPerSec    MetricName = "reads_per_sec"
	writesPerSec   MetricName = "writes_per_sec"
	readsKBPerSec  MetricName = "reads_kb_per_sec"
	writesKBPerSec MetricName = "writes_kb_per_sec"
	readsAwait     MetricName = "reads_await"
	writesAwait    MetricName = "writes_await"
	percUtil       MetricName = "perc_util"
	usedInodes     MetricName = "used_inodes"

	// network stats

// Supported Storage Class format is "Scheme:Number of parity drives".
// Currently only supported scheme is "EC".
func parseStorageClass(storageClassEnv string) (sc StorageClass, err error) {
	s := strings.Split(storageClassEnv, ":")

	// only two elements allowed in the string - "scheme" and "number of parity drives"
	if len(s) > 2 {

		case "Total":
			z.Total, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Total")
				return
			}
		case "Writes":
			z.Writes, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Writes")
				return
			}
		case "Reads":
			z.Reads, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Reads")
				return
			}

	// prefers setCounts to be sorted for optimal behavior.
	if divisibleSize < setCounts[len(setCounts)-1] {
		return divisibleSize
	}

	// Figure out largest value of total_drives_in_erasure_set which results
	// in least number of total_drives/total_drives_erasure_set ratio.
	prevD := divisibleSize / setCounts[0]
	for _, cnt := range setCounts {
		if divisibleSize%cnt == 0 {
			d := divisibleSize / cnt
			if d <= prevD {

	filteredDisks, errs, _ := disksWithAllParts(ctx, erasureDisks, partsMetadata,
		errs, fi, bucket, object, madmin.HealDeepScan)

	if len(filteredDisks) != len(erasureDisks) {
		t.Errorf("Unexpected number of drives: %d", len(filteredDisks))
	}

	for diskIndex, disk := range filteredDisks {
		if errs[diskIndex] != nil {
			t.Errorf("Unexpected error %s", errs[diskIndex])
		}

		if disk == nil {

			resp(true)
			return
		}
		mid.respMu.Lock()
		resp(mid.closed)
		mid.respMu.Unlock()
	}
}

// wsWriter writes websocket messages.
type wsWriter struct {
	tmp [ws.MaxHeaderSize]byte
}

// writeMessage writes a message to w without allocations.
func (ww *wsWriter) writeMessage(w io.Writer, s ws.State, op ws.OpCode, p []byte) error {
	const fin = true
	var frame ws.Frame

}

func (h *healSequence) countFailed(res madmin.HealResultItem) {
	h.mutex.Lock()
	defer h.mutex.Unlock()

	for _, d := range res.After.Drives {
		// For failed items we report the endpoint and drive state
		// This will help users take corrective actions for drives
		h.healFailedItemsMap[d.Endpoint+","+d.State]++
	}

	h.lastHealActivity = UTCNow()
}

		return formatSTAR
	case magic == magicUSTAR:
		return FormatUSTAR | FormatPAX
	case magic == magicGNU && version == versionGNU:
		return FormatGNU
	default:
		return formatV7
	}
}

// setFormat writes the magic values necessary for specified format
// and then updates the checksum accordingly.
func (b *block) setFormat(format Format) {
	// Set the magic values.
	switch {
	case format.has(formatV7):

		}
	}
	return out
}

// readFile reads a file and returns the contents.
func readFile(path string) (string, error) {
	b, err := os.ReadFile(path)
	return string(b), err
}

// writeFile writes a file and returns an error if operation is unsuccessful.
func writeFile(path string, data []byte) error {
	return os.WriteFile(path, data, 0o644)
}

	creatorFAT    = 0
	creatorUnix   = 3
	creatorNTFS   = 11
	creatorVFAT   = 14
	creatorMacOSX = 19

	// Version numbers.
	zipVersion20 = 20 // 2.0
	zipVersion45 = 45 // 4.5 (reads and writes zip64 archives)

	// Limits for non zip64 files.
	uint16max = (1 << 16) - 1
	uint32max = (1 << 32) - 1

	// Extra header IDs.
	//
	// IDs 0..31 are reserved for official use by PKWARE.