// check for omitted fields
	zb0001Len := uint32(7)
	var zb0001Mask uint8 /* 7 bits */
	_ = zb0001Mask
	if z.Index == nil {
		zb0001Len--
		zb0001Mask |= 0x20
	}
	if z.Checksums == nil {
		zb0001Len--
		zb0001Mask |= 0x40
	}
	// variable map header, size zb0001Len
	err = en.Append(0x80 | uint8(zb0001Len))
	if err != nil {
		return
	}
	if zb0001Len == 0 {

	// string "bkts"
	o = append(o, 0xa4, 0x62, 0x6b, 0x74, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.QueuedBuckets)))
	for za0001 := range z.QueuedBuckets {
		o = msgp.AppendString(o, z.QueuedBuckets[za0001])
	}
	// string "dbkts"
	o = append(o, 0xa5, 0x64, 0x62, 0x6b, 0x74, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.DecommissionedBuckets)))
	for za0002 := range z.DecommissionedBuckets {

	// string "bus"
	o = append(o, 0xa3, 0x62, 0x75, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.Buckets)))
	for za0001 := range z.Buckets {
		o = msgp.AppendString(o, z.Buckets[za0001])
	}
	// string "rbs"
	o = append(o, 0xa3, 0x72, 0x62, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.RebalancedBuckets)))
	for za0002 := range z.RebalancedBuckets {

package cmd

import (
	"bytes"
	"fmt"
	"syscall"
	"unsafe"
)

func direntNamlen(dirent *syscall.Dirent) (uint64, error) {
	const fixedHdr = uint16(unsafe.Offsetof(syscall.Dirent{}.Name))
	nameBuf := (*[unsafe.Sizeof(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]))
	const nameBufLen = uint16(len(nameBuf))
	limit := dirent.Reclen - fixedHdr
	if limit > nameBufLen {
		limit = nameBufLen
	}

	o = append(o, 0xa8, 0x43, 0x6d, 0x64, 0x4c, 0x69, 0x6e, 0x65, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.CmdLines)))
	for za0001 := range z.CmdLines {
		o = msgp.AppendString(o, z.CmdLines[za0001])
	}
	// string "MinioEnv"
	o = append(o, 0xa8, 0x4d, 0x69, 0x6e, 0x69, 0x6f, 0x45, 0x6e, 0x76)
	o = msgp.AppendMapHeader(o, uint32(len(z.MinioEnv)))
	for za0002, za0003 := range z.MinioEnv {
		o = msgp.AppendString(o, za0002)

	o = msgp.AppendArrayHeader(o, uint32(len(z.Tags)))
	for za0001 := range z.Tags {
		o, err = z.Tags[za0001].MarshalMsg(o)
		if err != nil {
			err = msgp.WrapError(err, "Tags", za0001)
			return
		}
	}
	// string "Metadata"
	o = append(o, 0xa8, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61)
	o = msgp.AppendArrayHeader(o, uint32(len(z.Metadata)))
	for za0002 := range z.Metadata {

				} else {
					write([]byte{0})
				}
				xioutil.SafeClose(doneCh)
				return
			case block := <-blockCh:
				var tmp [5]byte
				tmp[0] = 2
				binary.LittleEndian.PutUint32(tmp[1:], uint32(len(block)))
				write(tmp[:])
				write(block)
				if canWrite {
					w.(http.Flusher).Flush()
				}
			}
		}
	}()
	return &h
}

var poolBuf8k = sync.Pool{

	o = msgp.AppendArrayHeader(o, uint32(len(z.Tags)))
	for za0001 := range z.Tags {
		o, err = z.Tags[za0001].MarshalMsg(o)
		if err != nil {
			err = msgp.WrapError(err, "Tags", za0001)
			return
		}
	}
	// string "Metadata"
	o = append(o, 0xa8, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61)
	o = msgp.AppendArrayHeader(o, uint32(len(z.Metadata)))
	for za0002 := range z.Metadata {

	var field []byte
	_ = field
	var zb0001 uint32
	zb0001, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "e":
			var zb0002 uint32
			zb0002, err = dc.ReadMapHeader()
			if err != nil {

	ioutilx.OsOpenFile = OpenFile
	ioutilx.OpenFileDirectIO = OpenFileDirectIO
	ioutilx.OsOpen = Open
}

type osMetrics struct {
	// All fields must be accessed atomically and aligned.
	operations [osMetricLast]uint64
	latency    [osMetricLast]lockedLastMinuteLatency
}

// time an os action.
func (o *osMetrics) time(s osMetric) func() {
	startTime := time.Now()
	return func() {
		duration := time.Since(startTime)