err = msgp.WrapError(err, "Size")
				return
			}
		case "ActualSize":
			if msgp.IsNil(bts) {
				bts, err = msgp.ReadNilBytes(bts)
				if err != nil {
					return
				}
				z.ActualSize = nil
			} else {
				if z.ActualSize == nil {
					z.ActualSize = new(int64)
				}
				*z.ActualSize, bts, err = msgp.ReadInt64Bytes(bts)
				if err != nil {

		forceMD5 = mustGetUUIDBytes()
	}

	hashReader, err := hash.NewReaderWithOpts(ctx, reader, hash.Options{
		Size:       actualSize,
		MD5Hex:     clientETag.String(),
		SHA256Hex:  "",
		ActualSize: actualSize,
		DisableMD5: false,
		ForceMD5:   forceMD5,
	})
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

		modTime = UTCNow()
	}

	kind, encrypted := crypto.IsEncrypted(userDefined)
	actualSize := data.ActualSize()
	if actualSize < 0 {
		compressed := fi.IsCompressed()
		switch {
		case compressed:
			// ... nothing changes for compressed stream.
			// if actualSize is -1 we have no known way to
			// determine what is the actualSize.
		case encrypted:
			decSize, err := sio.DecryptedSize(uint64(n))

		for i := range fi.Parts {
			fi.Parts[i].Number = j.PartNumbers[i]
			fi.Parts[i].Size = j.PartSizes[i]
			if len(j.PartETags) == len(fi.Parts) {
				fi.Parts[i].ETag = j.PartETags[i]
			}
			fi.Parts[i].ActualSize = j.PartActualSizes[i]
			if len(j.PartIndices) == len(fi.Parts) {
				fi.Parts[i].Index = j.PartIndices[i]
			}
		}
	}

	// fi.Erasure.Checksums - is left empty since we do not have any

	// create xlStorage test setup
	xlStorage, _, err := newXLStorageTestSetup(t)
	if err != nil {
		t.Fatalf("Unable to cfgreate xlStorage test setup, %s", err)
	}

		if attemptInline {
			inlineBlock := globalStorageClass.InlineBlock()
			if inlineBlock <= 0 {
				inlineBlock = 128 * humanize.KiByte
			}

			canInline := fi.ShardFileSize(fi.Parts[0].ActualSize) <= inlineBlock
			if canInline {
				dataPath := pathJoin(volumeDir, path, fi.DataDir, fmt.Sprintf("part.%d", fi.Parts[0].Number))
				fi.Data, err = s.readAllData(ctx, volume, volumeDir, dataPath)
				if err != nil {