if payload != nil {
		if sz := payload.Msgsize(); cap(msg.Payload) < sz {
			PutByteBuffer(msg.Payload)
			msg.Payload = GetByteBufferCap(sz)
		}
		var err error
		msg.Payload, err = payload.MarshalMsg(msg.Payload[:0])
		msg.Op = payload.Op()
		if err != nil {
			return err
		}
	}
	defer PutByteBuffer(msg.Payload)
	dst := GetByteBufferCap(msg.Msgsize())
	dst, err := msg.MarshalMsg(dst)

	// Create n managers.
	for _, remote := range grid.Managers {
		// Register a single handler which echos the payload.
		errFatal(remote.RegisterSingleHandler(handlerTest, func(payload []byte) ([]byte, *RemoteErr) {
			defer PutByteBuffer(payload)
			return append(GetByteBuffer()[:0], payload...), nil
		}))
		errFatal(rpc.Register(remote, func(req *testRequest) (resp *testResponse, err *RemoteErr) {
			return &testResponse{
				OrgNum:    req.Num,

	if b == nil {
		return bytes, errors.New("Bytes: UnmarshalMsg on nil pointer")
	}
	if bytes, err := msgp.ReadNilBytes(bytes); err == nil {
		if *b != nil {
			PutByteBuffer(*b)
		}
		*b = nil
		return bytes, nil
	}
	val, bytes, err := msgp.ReadBytesZC(bytes)
	if err != nil {
		return bytes, err
	}
	if cap(*b) >= len(val) {
		*b = (*b)[:len(val)]

                    break
                }
                // Do something with payload
                out <- []byte("response")

                // Return the request for reuse
                grid.PutByteBuffer(req)
            }
        }
        // out is closed by the caller and should never be closed by the handler.
        return nil
    }

			msg.setZeroPayloadFlag()
			err := m.send(msg)
			PutByteBuffer(req)
			if err != nil {
				m.addErrorNonBlockingClose(errResp, err)
				errState = true
				continue
			}
			msg.Seq++
		}
	}

	if errState {
		// Drain requests.
		for {
			select {
			case r, ok := <-requests:
				if !ok {
					return
				}
				PutByteBuffer(r)
			default:
				return
			}
		}
	}

}

// Recycle will reuse the memory allocated for the FileInfo data.
func (r *RenameDataInlineHandlerParams) Recycle() {
	if r == nil {
		return
	}
	if cap(r.FI.Data) >= xioutil.SmallBlock {
		grid.PutByteBuffer(r.FI.Data)
		r.FI.Data = nil
	}
}

// RenameFileHandlerParams are parameters for RenameFileHandler.
type RenameFileHandlerParams struct {
	DiskID      string `msg:"id"`
	SrcVolume   string `msg:"sv"`

	if err != nil {
		return
	}
	st.Results(func(b []byte) error {
		select {
		case traceCh <- b:
		default:
			// Do not block on slow receivers.
			// Just recycle the buffer.
			grid.PutByteBuffer(b)
		}
		return nil
	})
}

func (client *peerRESTClient) doListen(ctx context.Context, listenCh chan<- []byte, v url.Values) {
	conn := client.gridConn()
	if conn == nil {
		return
	}

	defer keepAliveTicker.Stop()

	for {
		select {
		case entry := <-traceCh:
			if _, err := w.Write(entry); err != nil {
				return
			}
			grid.PutByteBuffer(entry)
			if len(traceCh) == 0 {
				// Flush if nothing is queued
				xhttp.Flush(w)
			}
		case <-keepAliveTicker.C:
			if len(traceCh) > 0 {
				continue
			}

				if len(inlineBuffers) > 0 {
					buf := grid.GetByteBufferCap(int(erasure.ShardFileSize(latestMeta.Size)) + 64)
					inlineBuffers[i] = bytes.NewBuffer(buf[:0])
					defer grid.PutByteBuffer(buf)

					writers[i] = newStreamingBitrotWriterBuffer(inlineBuffers[i], DefaultBitrotAlgorithm, erasure.ShardSize())
				} else {
					writers[i] = newBitrotWriter(disk, bucket, minioMetaTmpBucket, partPath,

		if disk == nil {
			continue
		}
		if disk.IsOnline() {
			buf := grid.GetByteBufferCap(int(erasure.ShardFileSize(data.Size())) + 64)
			inlineBuffers[i] = bytes.NewBuffer(buf[:0])
			defer grid.PutByteBuffer(buf)
			writers[i] = newStreamingBitrotWriterBuffer(inlineBuffers[i], DefaultBitrotAlgorithm, erasure.ShardSize())
		}
	}

	n, erasureErr := erasure.Encode(ctx, data, writers, buffer, writeQuorum)