}

	var createflag uint32
	switch {
	case flag&syscall.O_CREAT == syscall.O_CREAT:
		createflag = syscall.OPEN_ALWAYS
	default:
		createflag = syscall.OPEN_EXISTING
	}

	shareflag := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE | syscall.FILE_SHARE_DELETE)
	accessAttr := uint32(syscall.FILE_ATTRIBUTE_NORMAL | 0x80000000)

		ops = madmin.GetTargetUpdateOps(r.Form)
	} else {
		var exists bool // true if arn exists
		target.Arn, exists = globalBucketTargetSys.getRemoteARN(bucket, &target, "")
		if exists && target.Arn != "" { // return pre-existing ARN
			data, err := json.Marshal(target.Arn)
			if err != nil {
				writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
				return
			}
			// Write success response.

	// stop the replay go-routine.
	if h.store != nil {
		h.storeCtxCancel()
	}

	// Set logch to nil and close it.
	// This will block all Send operations,
	// and finish the existing ones.
	// All future ones will be discarded.
	h.logChMu.Lock()
	xioutil.SafeClose(h.logCh)
	h.logCh = nil
	h.logChMu.Unlock()

	if h.producer != nil {
		h.producer.Close()
		h.client.Close()
	}

					case <-t.C:
						meta.lastHandout = time.Now()
						meta, _ = rpc.UpdateMetacacheListing(ctx, meta)
					}
				}(*c)
			}
		}
	}

	if o.ID != "" && !o.Transient {
		// We have an existing list ID, continue streaming.
		if o.Create {
			o.debugln("Creating", o)
			entries, err = z.listAndSave(ctx, o)
			if err == nil || err == io.EOF {
				return entries, err
			}
			entries.truncate(0)

		return nil
	default:
		return err
	}

	// Reset drivercache built using current config
	for k := range config.drivercache {
		delete(config.drivercache, k)
	}
	// Remove existing tier configs
	for k := range config.Tiers {
		delete(config.Tiers, k)
	}
	// Copy over the new tier configs
	for tier, cfg := range newConfig.Tiers {
		config.Tiers[tier] = cfg
	}

	return
}

// Proxy any request to an endpoint.
func proxyRequest(ctx context.Context, w http.ResponseWriter, r *http.Request, ep ProxyEndpoint) (success bool) {
	success = true

	// Make sure we remove any existing headers before
	// proxying the request to another node.
	for k := range w.Header() {
		w.Header().Del(k)
	}

	f := handlers.NewForwarder(&handlers.Forwarder{
		PassHost:     true,

	Bucket  string    // Bucket as given by request.
	Prefix  string    // Prefix as given by request.
	File    string    // File name as given in request.
	Exists  bool      // Returns whether the file existed on disk.
	Error   string    // Returns any error when reading.
	Data    []byte    // Contains all data of file.
	Modtime time.Time // Modtime of file on disk.
}

		return errDiskNotFound
	}

	// Marshal and write to disk.
	formatData, err := json.Marshal(format)
	if err != nil {
		return err
	}

	tmpFormat := mustGetUUID()

	// Purge any existing temporary file, okay to ignore errors here.
	defer disk.Delete(context.TODO(), minioMetaBucket, tmpFormat, DeleteOptions{
		Recursive: false,
		Immediate: false,
	})

	// write to unique file.

func newPoolMeta(z *erasureServerPools, prevMeta poolMeta) poolMeta {
	newMeta := poolMeta{} // to update write poolMeta fresh.
	// looks like new pool was added we need to update,
	// or this is a fresh installation (or an existing
	// installation with pool removed)
	newMeta.Version = poolMetaVersion
	for idx, pool := range z.serverPools {
		var skip bool
		for _, currentPool := range prevMeta.Pools {
			// Preserve any current pool status.

		// If the marker is *before* the first possible object from the prefix it should return the first object.
		{"test-bucket-list-object", "Asia", "A", "", 1, resultCases[4], nil, true},
		// Setting a non-existing directory to be prefix (12-13).
		{"empty-bucket", "europe/france/", "", "", 1, ListObjectsInfo{}, nil, true},
		{"empty-bucket", "africa/tunisia/", "", "", 1, ListObjectsInfo{}, nil, true},