return err
	}
	return d.disk.CreateFile(ctx, origvolume, volume, path, size, reader)
}

func (d *naughtyDisk) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.AppendFile(ctx, volume, path, buf)
}

func (client *storageRESTClient) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
	return errInvalidArgument
}

// AppendFile - append to a file.
func (client *storageRESTClient) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
	values := make(url.Values)
	values.Set(storageRESTVolume, volume)
	values.Set(storageRESTFilePath, path)

	"context"
	"crypto/rand"
	"io"
	"testing"

	"github.com/dustin/go-humanize"
)

type badDisk struct{ StorageAPI }

func (a badDisk) String() string {
	return "bad-disk"
}

func (a badDisk) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
	return errFaultyDisk
}

func (a badDisk) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {

		}
	}
}

func testStorageAPIRenameFile(t *testing.T, storage StorageAPI) {
	err := storage.AppendFile(t.Context(), "foo", "myobject", []byte("foo"))
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	err = storage.AppendFile(t.Context(), "foo", "otherobject", []byte("foo"))
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	testCases := []struct {

		return p.storage.ReadFile(ctx, volume, path, offset, buf, verifier)
	})
}

// Legacy API - does not have any deadlines
func (p *xlStorageDiskIDCheck) AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricAppendFile, volume, path)
	if err != nil {
		return err
	}

	filePath := r.Form.Get(storageRESTFilePath)

	buf := make([]byte, r.ContentLength)
	_, err := io.ReadFull(r.Body, buf)
	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}
	err = s.getStorage().AppendFile(r.Context(), volume, filePath, buf)
	if err != nil {
		s.writeErrorResponse(w, err)
	}
}

// CreateFileHandler - copy the contents from the request.

	// string "jt"
	o = append(o, 0xa2, 0x6a, 0x74)
	o = msgp.AppendString(o, z.JobType)
	// string "st"
	o = append(o, 0xa2, 0x73, 0x74)
	o = msgp.AppendTime(o, z.StartTime)
	// string "lu"
	o = append(o, 0xa2, 0x6c, 0x75)
	o = msgp.AppendTime(o, z.LastUpdate)
	// string "ra"
	o = append(o, 0xa2, 0x72, 0x61)
	o = msgp.AppendInt(o, z.RetryAttempts)
	// string "at"
	o = append(o, 0xa2, 0x61, 0x74)

  public <A extends Appendable> A appendTo(A appendable, Iterator<?> parts) throws IOException {
    checkNotNull(appendable);
    if (parts.hasNext()) {
      appendable.append(toString(parts.next()));
      while (parts.hasNext()) {
        appendable.append(separator);
        appendable.append(toString(parts.next()));
      }
    }
    return appendable;
  }

  /**

	o = msgp.Require(b, z.Msgsize())
	// map header, size 3
	// string "startTs"
	o = append(o, 0x83, 0xa7, 0x73, 0x74, 0x61, 0x72, 0x74, 0x54, 0x73)
	o = msgp.AppendTime(o, z.StartTime)
	// string "stopTs"
	o = append(o, 0xa6, 0x73, 0x74, 0x6f, 0x70, 0x54, 0x73)
	o = msgp.AppendTime(o, z.EndTime)
	// string "status"
	o = append(o, 0xa6, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73)
	o = msgp.AppendUint8(o, uint8(z.Status))
	return
}

  public <A extends Appendable> A appendTo(A appendable, Iterator<?> parts) throws IOException {
    checkNotNull(appendable);
    if (parts.hasNext()) {
      appendable.append(toString(parts.next()));
      while (parts.hasNext()) {
        appendable.append(separator);
        appendable.append(toString(parts.next()));
      }
    }
    return appendable;
  }

  /**