tr_first 513 fs/gfs2/incore.h unsigned int tr_first; tr_first 300 fs/gfs2/log.c a = (old_tail <= tr->tr_first); tr_first 301 fs/gfs2/log.c b = (tr->tr_first < new_tail); tr_first 493 fs/gfs2/log.c tail = tr->tr_first; tr_first 815 fs/gfs2/log.c tr->tr_first = sdp->sd_log_flush_head;