fs/xfs/xfs_log_recover.c

508 	int		error, log_bbnum = log->l_logBBsize;
542 	last_blk = head_blk = log_bbnum - 1;	/* get cycle # of last block */
555 	 * we set it to log_bbnum which is an invalid block number, but this
558 	 * than log_bbnum.  In a sense, log_bbnum and zero are the same block
587 		head_blk = log_bbnum;
626 	num_scan_bblks = min_t(int, log_bbnum, XLOG_TOTAL_REC_SHIFT(log));
669 		start_blk = log_bbnum - (num_scan_bblks - head_blk);
717 			start_blk = log_bbnum - (num_scan_bblks - head_blk);
718 			new_blk = log_bbnum;
720 				(xfs_daddr_t) log_bbnum-start_blk >= 0);
728 			if (new_blk != log_bbnum)
735 	if (head_blk == log_bbnum)
1401 	int	        error, log_bbnum = log->l_logBBsize;
1421 	error = xlog_bread(log, log_bbnum-1, 1, buffer, &offset);
1432 	last_blk = log_bbnum-1;