Implement bucket expansion (#8509)

cmd/object-api-datatypes.go

@@ -170,6 +170,16 @@ type ListPartsInfo struct {
 	EncodingType string // Not supported yet.
 }
 
+// Lookup - returns if uploadID is valid
+func (lm ListMultipartsInfo) Lookup(uploadID string) bool {
+	for _, upload := range lm.Uploads {
+		if upload.UploadID == uploadID {
+			return true
+		}
+	}
+	return false
+}
+
 // ListMultipartsInfo - represnets bucket resources for incomplete multipart uploads.
 type ListMultipartsInfo struct {
 	// Together with upload-id-marker, this parameter specifies the multipart upload