if defaultParityCount == 0 {
		return len(partsMetaData), len(partsMetaData), nil
	}

	parities := listObjectParities(partsMetaData, errs)
	parityBlocks := commonParity(parities, defaultParityCount)
	if parityBlocks < 0 {
		return -1, -1, InsufficientReadQuorum{Err: errErasureReadQuorum, Type: RQInsufficientOnlineDrives}
	}

	dataBlocks := len(partsMetaData) - parityBlocks

	writeQuorum := dataBlocks

     * @param    offset    start of meaningful bytes in input
     * @param    len        count of bytes in input block to consider
     */
    @Override
    public void engineUpdate(final byte[] input, final int offset, final int len) {
        // make sure we don't exceed input's allocated size/length
        if (offset < 0 || len < 0 || (long) offset + len > input.length) {
            throw new ArrayIndexOutOfBoundsException();
        }

	if v := unsafe.Offsetof(dirent.Reclen) + unsafe.Sizeof(dirent.Reclen); uintptr(len(buf)) < v {
		return consumed, nil, typ, fmt.Errorf("buf size of %d smaller than dirent header size %d", len(buf), v)
	}
	if len(buf) < int(dirent.Reclen) {
		return consumed, nil, typ, fmt.Errorf("buf size %d < record length %d", len(buf), dirent.Reclen)
	}
	consumed = int(dirent.Reclen)

)

func (er erasureObjects) getOnlineDisks() (newDisks []StorageAPI) {
	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)) {
		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 {

		return
	}

	userList := r.Form["users"]
	isAll := r.Form.Get("all") == "true"
	selfOnly := !isAll && len(userList) == 0
	cfgName := r.Form.Get("configName")
	allConfigs := r.Form.Get("allConfigs") == "true"
	if cfgName == "" && !allConfigs {
		cfgName = madmin.Default
	}

	if isAll && len(userList) > 0 {
		// This should be checked on client side, so return generic error

	finished     bool
}

func (b *streamingBitrotWriter) Write(p []byte) (int, error) {
	if len(p) == 0 {
		return 0, nil
	}
	if b.finished {
		return 0, errors.New("bitrot write not allowed")
	}
	if int64(len(p)) > b.shardSize {
		return 0, errors.New("unexpected bitrot buffer size")
	}
	if int64(len(p)) < b.shardSize {
		b.finished = true
	}
	b.h.Reset()
	b.h.Write(p)
	hashBytes := b.h.Sum(nil)

	for za0005 := range z.PartETags {
		s += msgp.StringPrefixSize + len(z.PartETags[za0005])
	}

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        this.length = SMBUtil.readInt4(buffer, bufferIndex);
        return 4;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        this.fid = fid;
        this.count = len;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        command = SMB_COM_WRITE;
    }

    void setParam(final int fid, final long offset, final int remaining, final byte[] b, final int off, final int len) {
        this.fid = fid;

  public void write(int b) throws IOException {
    hasher.putByte((byte) b);
    out.write(b);
  }

  @Override
  public void write(byte[] bytes, int off, int len) throws IOException {
    hasher.putBytes(bytes, off, len);
    out.write(bytes, off, len);
  }

  /**
   * Returns the {@link HashCode} based on the data written to this stream. The result is