if opts.UndoWrite {
				p.storage.setWriteAttribute(p.totalWrites.Add(^uint64(0)))
				return
			}

			if fi.Deleted {
				// Delete markers are a write operation not a permanent delete.
				p.storage.setWriteAttribute(p.totalWrites.Add(1))
				return
			}

			p.storage.setDeleteAttribute(p.totalDeletes.Add(1))
		}
	}()

	w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())

	obj := ObjectInfo{
		Name:        "foo",
		ModTime:     time.Now().Add(-31 * 24 * time.Hour),
		Size:        100 << 20,
		VersionID:   uuid.New().String(),
		IsLatest:    true,
		NumVersions: 4,
	}
	delMarker := ObjectInfo{
		Name:         "foo-deleted",
		ModTime:      time.Now().Add(-61 * 24 * time.Hour),
		Size:         0,
		VersionID:    uuid.New().String(),
		IsLatest:     true,

    "arn:aws:s3:::${aws:username}-*"
   ]
  }
 ]
}`)
	err = s.adm.AddCannedPolicy(ctx, policy, policyBytes)
	if err != nil {
		c.Fatalf("policy add error: %v", err)
	}

	if err = s.adm.AddUser(ctx, "dillon", "dillon-123"); err != nil {
		c.Fatalf("policy add error: %v", err)
	}

	err = s.adm.SetPolicy(ctx, policy, "dillon", false)
	if err != nil {
		c.Fatalf("Unable to set policy: %v", err)
	}

	poolOpts := make([]ObjectOptions, len(z.serverPools))
	for i := range z.serverPools {
		poolOpts[i] = opts
	}

	var wg sync.WaitGroup
	for i, pool := range z.serverPools {
		wg.Add(1)
		go func(i int, pool *erasureSets, opts ObjectOptions) {
			defer wg.Done()
			// remember the pool index, we may sort the slice original index might be lost.
			pinfo := PoolObjInfo{
				Index: i,
			}

	var onlineServers int
	var offlineEndpoints []error
	var incorrectConfigs []error
	var retries int
	var mu sync.Mutex
	for onlineServers < len(clnts)/2 {
		var wg sync.WaitGroup
		wg.Add(len(clnts))
		onlineServers = 0
		for _, clnt := range clnts {
			go func(clnt *bootstrapRESTClient) {
				defer wg.Done()

				if clnt.gridConn.State() != grid.StateConnected {
					mu.Lock()

				// mentioned for deletes, create a delete marker instead.
				vr.ModTime = UTCNow()
				vr.Deleted = true
				// Versioning suspended means that we add a `null` version
				// delete marker, if not add a new version for this delete
				// marker.
				if versioned {
					vr.VersionID = mustGetUUID()
				}
			}
		}

	scanMode            madmin.HealScanMode
}

// mrfState sncapsulates all the information
// related to the global background MRF.
type mrfState struct {
	opCh chan partialOperation
}

// Add a partial S3 operation (put/delete) when one or more disks are offline.
func (m *mrfState) addPartialOp(op partialOperation) {
	if m == nil {
		return
	}

	select {
	case m.opCh <- op:
	default:
	}
}

func (x xlMetaInlineData) entries() int {
	if len(x) == 0 || !x.versionOK() {
		return 0
	}
	sz, _, _ := msgp.ReadMapHeaderBytes(x.afterVersion())
	return int(sz)
}

// replace will add or replace a key/value pair.
func (x *xlMetaInlineData) replace(key string, value []byte) {
	in := x.afterVersion()
	sz, buf, _ := msgp.ReadMapHeaderBytes(in)
	keys := make([][]byte, 0, sz+1)

}

type latencyStat struct {
	lastmin lastMinuteLatency
	curr    time.Duration
	avg     time.Duration
	peak    time.Duration
	N       int64
}

func (l *latencyStat) update(d time.Duration) {
	l.lastmin.add(d)
	l.N++
	if d > l.peak {
		l.peak = d
	}
	l.curr = l.lastmin.getTotal().avg()
	l.avg = time.Duration((int64(l.avg)*(l.N-1) + int64(l.curr)) / l.N)
}

	disks := er.getDisks()
	var wg sync.WaitGroup
	var mu sync.Mutex
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for _, i := range r.Perm(len(disks)) {
		i := i
		wg.Add(1)
		go func() {
			defer wg.Done()
			if disks[i] == nil {
				return
			}
			di, err := disks[i].DiskInfo(context.Background(), DiskInfoOptions{})
			if err != nil || di.Healing {