err = syscall.Statfs(path, &s)
	if err != nil {
		return Info{}, err
	}
	reservedBlocks := uint64(s.F_bfree) - uint64(s.F_bavail)
	info = Info{
		Total:  uint64(s.F_bsize) * (uint64(s.F_blocks) - reservedBlocks),
		Free:   uint64(s.F_bsize) * uint64(s.F_bavail),
		Files:  uint64(s.F_files),
		Ffree:  uint64(s.F_ffree),
		FSType: getFSType(s.F_fstypename[:]),
	}
	if info.Free > info.Total {

	"net/http/httptrace"
	"sync/atomic"
	"time"
)

var globalStats = struct {
	errs uint64

	tcpDialErrs     uint64
	tcpDialCount    uint64
	tcpDialTotalDur uint64
}{}

// RPCStats holds information about the DHCP/TCP metrics and errors
type RPCStats struct {
	Errs uint64

	DialAvgDuration uint64
	DialErrs        uint64
}

// GetRPCStats returns RPC stats, include calls errors and dhcp/tcp metrics

	WriteMerges    uint64
	WriteSectors   uint64
	WriteTicks     uint64
	CurrentIOs     uint64
	TotalTicks     uint64
	ReqTicks       uint64
	DiscardIOs     uint64
	DiscardMerges  uint64
	DiscardSectors uint64
	DiscardTicks   uint64
	FlushIOs       uint64
	FlushTicks     uint64

	ReplicationPendingSize  uint64 `json:"objectsPendingReplicationTotalSize"`
	ReplicationFailedSize   uint64 `json:"objectsFailedReplicationTotalSize"`
	ReplicatedSize          uint64 `json:"objectsReplicatedTotalSize"`
	ReplicaSize             uint64 `json:"objectReplicaTotalSize"`
	ReplicationPendingCount uint64 `json:"objectsPendingReplicationCount"`
	ReplicationFailedCount  uint64 `json:"objectsFailedReplicationCount"`

			[]uint64{64},
			[][]uint64{{16, 16, 16, 16}},
			true,
		},
		{
			[]string{"data{1...24}"},
			[]uint64{24},
			[][]uint64{{12, 12}},
			true,
		},
		{
			[]string{"data/controller{1...11}/export{1...8}"},
			[]uint64{88},
			[][]uint64{{11, 11, 11, 11, 11, 11, 11, 11}},
			true,
		},
		{
			[]string{"data{1...4}"},
			[]uint64{4},
			[][]uint64{{4}},
			true,

	setIndexes  [][]uint64 // All the sets.
}

// Supported set sizes this is used to find the optimal
// single set size.
var setSizes = []uint64{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}

// getDivisibleSize - returns a greatest common divisor of
// all the ellipses sizes.
func getDivisibleSize(totalSizes []uint64) (result uint64) {
	gcd := func(x, y uint64) uint64 {
		for y != 0 {
			x, y = y, x%y
		}

			}
		}

		throughputHighestGet := uint64(0)
		throughputHighestPut := uint64(0)
		var throughputHighestResults []SpeedTestResult

		sendResult := func() {
			var result madmin.SpeedTestResult

			durationSecs := opts.duration.Seconds()

			result.GETStats.ThroughputPerSec = throughputHighestGet / uint64(durationSecs)
			result.GETStats.ObjectsPerSec = throughputHighestGet / uint64(opts.objectSize) / uint64(durationSecs)

func (t *Mask) SetIf(b bool, other Mask) {
	if b {
		*t |= other
	}
}

// Mask returns the mask as a uint64.
func (t Mask) Mask() uint64 {
	return uint64(t)
}

// Maskable implementations must return their mask as a 64 bit uint.
type Maskable interface {
	Mask() uint64

	s := unix.Statvfs_t{}
	if err = unix.Statvfs(path, &s); err != nil {
		return Info{}, err
	}
	reservedBlocks := uint64(s.Bfree) - uint64(s.Bavail)
	info = Info{
		Total:  uint64(s.Frsize) * (uint64(s.Blocks) - reservedBlocks),
		Free:   uint64(s.Frsize) * uint64(s.Bavail),
		Files:  uint64(s.Files),
		Ffree:  uint64(s.Ffree),
		FSType: getFSType(s.Fstr[:]),
	}
	if info.Free > info.Total {

var (
	path, name string
	value      uint64
	set, list  bool
)

func getxattr(path, name string) (uint64, error) {
	buf, err := xattr.LGet(path, name)
	if err != nil {
		return 0, err
	}

	return binary.LittleEndian.Uint64(buf[:8]), nil
}

func listxattr(path string) ([]string, error) {
	return xattr.LList(path)
}

func setxattr(path, name string, value uint64) error {
	data := make([]byte, 8)