rem: Stream::Stream(Volume &volume, off_t id) : fVolume(volume) { if (read_pos(volume.Device(), volume.ToOffset(id), this, sizeof(bfs_inode)) != sizeof(bfs_inode)) return; }
add: Stream() : Inode(NULL, -1) {}
context: Stream::Stream(Volume &volume, off_t id)	:	fVolume(volume){	if (read_pos(volume.Device(), volume.ToOffset(id), this, sizeof(bfs_inode)) != sizeof(bfs_inode))		return;}