}
					keys = keys[1:]
				}
				batch[i].ETag = ETag.Format().String()
			}
		}
		objects = objects[N:]
	}
	return nil
}

// isMultipart returns true if the current object is
// uploaded by the user using multipart mechanism:
// initiate new multipart, upload part, complete upload
func (o *ObjectInfo) isMultipart() bool {
	_, encrypted := crypto.IsEncrypted(o.UserDefined)
	if encrypted {

	// no other caller must set this value other than multi-object delete call.
	// usage in other calls in undefined please avoid.
	Idx int `msg:"i"`

	// Combined checksum when object was uploaded.
	Checksum []byte `msg:"cs,allownil"`

	// Versioned - indicates if this file is versioned or not.
	Versioned bool `msg:"vs"`
}

// ShallowCopy - copies minimal information for READ MRF checks.

	}

	if s3Error := checkRequestAuthType(ctx, r, policy.GetObjectAction, srcBucket, srcObject); s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	uploadID := r.Form.Get(xhttp.UploadID)
	partIDString := r.Form.Get(xhttp.PartNumber)

	partID, err := strconv.Atoi(partIDString)
	if err != nil || partID <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPart), r.URL)

// the simplified multipart backend which is a flat hierarchy now.
// In .minio.sys/multipart we have:
// sha256(bucket/object)/uploadID/[xl.meta, part.1, part.2 ....]
type formatErasureV3 struct {
	formatMetaV1
	Erasure struct {
		Version string `json:"version"` // Version of 'xl' format.

type MalformedUploadID struct {
	UploadID string
}

func (e MalformedUploadID) Error() string {
	return "Malformed upload id " + e.UploadID
}

// InvalidUploadID invalid upload id.
type InvalidUploadID struct {
	Bucket   string
	Object   string
	UploadID string
}

func (e InvalidUploadID) Error() string {
	return "Invalid upload id " + e.UploadID
}

			UserDefined: oi.UserDefined,
			NoAuditLog:  true,
		})
		if err != nil {
			return fmt.Errorf("rebalanceObject: NewMultipartUpload() %w", err)
		}
		defer z.AbortMultipartUpload(ctx, bucket, oi.Name, res.UploadID, ObjectOptions{NoAuditLog: true})

		parts := make([]CompletePart, len(oi.Parts))
		for i, part := range oi.Parts {
			hr, err := hash.NewReader(ctx, io.LimitReader(gr, part.Size), part.Size, "", "", part.ActualSize)

		if err != nil {
			return setRestoreHeaderFn(oi, err)
		}
		pInfo, err := er.PutObjectPart(ctx, bucket, object, res.UploadID, partInfo.Number, NewPutObjReader(hr), ObjectOptions{})
		if err != nil {
			return setRestoreHeaderFn(oi, err)
		}
		if pInfo.Size != partInfo.Size {

		HTTPStatusCode: http.StatusMethodNotAllowed,
	},
	ErrInvalidPart: {
		Code:           "InvalidPart",
		Description:    "One or more of the specified parts could not be found.  The part may not have been uploaded, or the specified entity tag may not match the part's entity tag.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMissingPart: {
		Code:           "InvalidRequest",

		{bucketName, objectName, uploadIDs[0], 2, "efgh", "1f7690ebdd9b4caf8fab49ca1757bf27", int64(len("efgh"))},
		{bucketName, objectName, uploadIDs[0], 3, "ijkl", "09a0877d04abf8759f99adec02baf579", int64(len("abcd"))},
		{bucketName, objectName, uploadIDs[0], 4, "mnop", "e132e96a5ddad6da8b07bba6f6131fef", int64(len("abcd"))},
		// Part with size larger than 5 MiB.

		break
	}

	for i := range uploadIDs {
		uploadIDs[i] = strings.TrimSuffix(uploadIDs[i], SlashSeparator)
	}

	// S3 spec says uploadIDs should be sorted based on initiated time, we need
	// to read the metadata entry.
	var uploads []MultipartInfo

	populatedUploadIDs := set.NewStringSet()

	for _, uploadID := range uploadIDs {
		if populatedUploadIDs.Contains(uploadID) {
			continue
		}