u_down 160 fs/ocfs2/stack_user.c struct ocfs2_control_message_down u_down; u_down 482 fs/ocfs2/stack_user.c (sizeof(msg.u_down.tag) + sizeof(msg.u_down.space1))); u_down 500 fs/ocfs2/stack_user.c ret = ocfs2_control_do_down_msg(file, &msg.u_down);