ETag       string            `json:"etag,omitempty" msg:"e"`
	Number     int               `json:"number" msg:"n"`
	Size       int64             `json:"size" msg:"s"`        // Size of the part on the disk.
	ActualSize int64             `json:"actualSize" msg:"as"` // Original size of the part without compression or encryption bytes.
	ModTime    time.Time         `json:"modTime" msg:"mt"`    // Date and time at which the part was uploaded.

				return
			}
		case "s":
			z.Size, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Size")
				return
			}
		case "as":
			z.ActualSize, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "ActualSize")
				return
			}
		case "mt":
			z.ModTime, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "ModTime")
				return
			}
		case "i":

// AddObjectPart - add a new object part in order.
func (fi *FileInfo) AddObjectPart(partNumber int, partETag string, partSize, actualSize int64, modTime time.Time, idx []byte, checksums map[string]string) {
	partInfo := ObjectPartInfo{
		Number:     partNumber,
		ETag:       partETag,
		Size:       partSize,
		ActualSize: actualSize,
		ModTime:    modTime,
		Index:      idx,
		Checksums:  checksums,
	}

		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

		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 {