+ FileSystemStorageExt* file_system = extension<FileSystemStorageExt>();
+ return file_system->getUsedSize();
+}
+
+void Storage::decrUsedSize(sg_size_t size)
+{
+ FileSystemStorageExt* file_system = extension<FileSystemStorageExt>();
+ file_system->decrUsedSize(size);
+}
+
+void Storage::incrUsedSize(sg_size_t size)
+{
+ FileSystemStorageExt* file_system = extension<FileSystemStorageExt>();
+ file_system->incrUsedSize(size);