log_write_header  831 fs/gfs2/log.c  		log_write_header(sdp, flags);
log_write_header  835 fs/gfs2/log.c  		log_write_header(sdp, flags);
log_write_header  862 fs/gfs2/log.c  			log_write_header(sdp, flags);
log_write_header  967 fs/gfs2/log.c  	log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT | GFS2_LFC_SHUTDOWN);