sz, err := r.mr.ReadStringHeader()
		if err != nil {
			r.err = err
			return err
		}
		if cap(tmp) < int(sz) {
			tmp = make([]byte, 0, sz+256)
		}
		tmp = tmp[:sz]
		_, err = r.mr.R.ReadFull(tmp)
		if err != nil {
			r.err = err
			return err
		}
		if string(tmp) >= s {
			r.current.name = string(tmp)
			r.current.metadata, r.err = r.mr.ReadBytes(nil)
			return r.err
		}

	var written int64
	for {
		buf := alignedBuf
		if totalSize > 0 {
			remaining := totalSize - written
			if remaining < int64(len(buf)) {
				buf = buf[:remaining]
			}
		}

		nr, err := io.ReadFull(r, buf)
		eof := errors.Is(err, io.EOF) || errors.Is(err, io.ErrUnexpectedEOF)
		if err != nil && !eof {
			return written, err
		}

		buf = buf[:nr]
		var (
			n  int
			un int
			nw int64

		if err != nil {
			t.Fatalf("Test %d: failed to create ErasureStorage: %v", i, err)
		}
		disks := setup.disks
		data := make([]byte, test.data)
		if _, err = io.ReadFull(crand.Reader, data); err != nil {
			t.Fatalf("Test %d: failed to generate random test data: %v", i, err)
		}

		writeAlgorithm := test.algorithm
		if !test.algorithm.Available() {

		values.Set(storageRESTBitrotHash, "")
	}
	respBody, err := client.callGet(ctx, storageRESTMethodReadFile, values, nil, -1)
	if err != nil {
		return 0, err
	}
	defer xhttp.DrainBody(respBody)
	n, err := io.ReadFull(respBody, buf)
	return int64(n), toStorageErr(err)
}

// ListDir - lists a directory.

	hasFull := true
	if initial > metaDataReadDefault {
		initial = metaDataReadDefault
		hasFull = false
	}

	buf := metaDataPoolGet()[:initial]
	_, err := io.ReadFull(r, buf)
	if err != nil {
		return nil, fmt.Errorf("readXLMetaNoData(io.ReadFull): %w", err)
	}
	readMore := func(n int64) error {
		has := int64(len(buf))
		if has >= n {
			return nil
		}
		if hasFull || n > size {

	sz := stat.Size()
	if sz <= metaDataReadDefault {
		buf = metaDataPoolGet()
		buf = buf[:sz]
	} else {
		buf = make([]byte, sz)
	}

	// Read file...
	_, err = io.ReadFull(f, buf)

	return buf, stat.ModTime().UTC(), osErrToFileErr(err)
}

// ReadAll is a raw call, reads content at any path and returns the buffer.

		err = rb.WriteByte(0)
		done <- err
		_, err = rb.TryWrite([]byte("world"))
		done <- err
		err = rb.TryWriteByte(0)
		done <- err
	}()

	buf := make([]byte, 100)
	n, err := io.ReadFull(rb, buf)
	if err != nil && err != io.ErrUnexpectedEOF {
		t.Fatalf("got: %q; want: %q", err, io.ErrUnexpectedEOF)
	}
	for writeErr := range done {
		if writeErr != ErrWriteOnClosed {

	if int64(len(p)) < unreadPartLen {
		n1, err = d.decrypter.Read(p)
		if err != nil {
			return 0, err
		}
		d.partDecRelOffset += int64(n1)
	} else {
		n1, err = io.ReadFull(d.decrypter, p[:unreadPartLen])
		if err != nil {
			return 0, err
		}

		// We should now proceed to next part, reset all
		// values appropriately.
		d.partEncRelOffset = 0
		d.partDecRelOffset = 0

	if err != nil {
		t.Fatal(err)
	}

	bucket := "bucket"
	object := "object"
	opts := ObjectOptions{}
	buf := make([]byte, smallFileThreshold*16)
	if _, err = io.ReadFull(crand.Reader, buf); err != nil {
		t.Fatal(err)
	}

	// Test use case 1: All disks are online, xl.meta are present, but data are missing

	}
	if err = xlStorage.MakeVol(t.Context(), volume); err != nil {
		t.Fatalf("Unable to create volume %s: %v", volume, err)
	}
	data := make([]byte, 8*1024)
	if _, err = io.ReadFull(rand.Reader, data); err != nil {
		t.Fatalf("Unable to create generate random data: %v", err)
	}
	if err = xlStorage.AppendFile(t.Context(), volume, object, data); err != nil {