if err != nil || (err == nil && !ondiskTimestamp.After(srcTimestamp)) {
					srcInfo.UserDefined[ReservedMetadataPrefixLower+TaggingTimestamp] = srcTimestamp.UTC().Format(time.RFC3339Nano)
					srcInfo.UserDefined[xhttp.AmzObjectTagging] = objTags
				}
			}
		} else {
			srcInfo.UserDefined[xhttp.AmzObjectTagging] = objTags
			srcInfo.UserDefined[ReservedMetadataPrefixLower+TaggingTimestamp] = UTCNow().Format(time.RFC3339Nano)
		}

			return nil, err
		}
	}

	userDefined := cloneMSS(opts.UserDefined)
	if opts.PreserveETag != "" {
		userDefined["etag"] = opts.PreserveETag
	}
	onlineDisks := er.getDisks()

	// Get parity and data drive count based on storage class metadata
	parityDrives := globalStorageClass.GetParityForSC(userDefined[xhttp.AmzStorageClass])
	if parityDrives < 0 {

	if userDefined["content-type"] == "" {
		userDefined["content-type"] = mimedb.TypeByExtension(path.Ext(object))
	}

	// if storageClass is standard no need to save it as part of metadata.
	if userDefined[xhttp.AmzStorageClass] == storageclass.STANDARD {
		delete(userDefined, xhttp.AmzStorageClass)
	}

	// Fill all the necessary metadata.
	// Update `xl.meta` content on each disks.

	_, isEncrypted := crypto.IsEncrypted(mi.UserDefined)
	_, replicationStatus := mi.UserDefined[xhttp.AmzBucketReplicationStatus]
	_, sourceReplReq := r.Header[xhttp.MinIOSourceReplicationRequest]
	var objectEncryptionKey crypto.ObjectKey
	if isEncrypted {
		if !crypto.SSEC.IsRequested(r.Header) && crypto.SSEC.IsEncrypted(mi.UserDefined) && !replicationStatus {

		}
		op := ObjectOptions{
			ServerSideEncryption: sseKms,
			UserDefined:          metadata,
			MTime:                mtime,
			PreserveETag:         etag,
		}
		if _, ok := hdr[xhttp.MinIOSourceReplicationRequest]; ok {
			op.ReplicationRequest = true
		}
		return op, nil
	}
	// default case of passing encryption headers and UserDefined metadata to backend
	opts, err = getDefaultOpts(hdr, false, metadata)

	if err != nil {
		return err
	}

	if oi.isMultipart() {
		res, err := z.NewMultipartUpload(ctx, bucket, oi.Name, ObjectOptions{
			VersionID:    oi.VersionID,
			UserDefined:  oi.UserDefined,
			NoAuditLog:   true,
			DataMovement: true,
			SrcPoolIdx:   poolIdx,
		})
		if err != nil {
			return fmt.Errorf("rebalanceObject: NewMultipartUpload() %w", err)
		}

	CheckDMReplicationReady bool // Is delete marker ready to be replicated - set only during HEAD
	Tagging                 bool // Is only in GET/HEAD operations to return tagging metadata along with regular metadata and body.

	UserDefined         map[string]string   // only set in case of POST/PUT operations
	ObjectAttributes    map[string]struct{} // Attribute tags defined by the users for the GetObjectAttributes request