556 	xfs_daddr_t	new_blk, first_blk, start_blk, last_blk, head_blk;  in xlog_find_head()  local
594 	last_blk = head_blk = log_bbnum - 1;	/* get cycle # of last block */  in xlog_find_head()
639 		head_blk = log_bbnum;  in xlog_find_head()
665 		error = xlog_find_cycle_start(log, buffer, first_blk, &head_blk,  in xlog_find_head()
679 	if (head_blk >= num_scan_bblks) {  in xlog_find_head()
684 		start_blk = head_blk - num_scan_bblks;  in xlog_find_head()
690 			head_blk = new_blk;  in xlog_find_head()
719 		ASSERT(head_blk <= INT_MAX &&  in xlog_find_head()
720 			(xfs_daddr_t) num_scan_bblks >= head_blk);  in xlog_find_head()
721 		start_blk = log_bbnum - (num_scan_bblks - head_blk);  in xlog_find_head()
723 					num_scan_bblks - (int)head_blk,  in xlog_find_head()
727 			head_blk = new_blk;  in xlog_find_head()
737 		ASSERT(head_blk <= INT_MAX);  in xlog_find_head()
739 					start_blk, (int)head_blk,  in xlog_find_head()
743 			head_blk = new_blk;  in xlog_find_head()
752 	if (head_blk >= num_scan_bblks) {  in xlog_find_head()
753 		start_blk = head_blk - num_scan_bblks; /* don't read head_blk */  in xlog_find_head()
756 		error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0);  in xlog_find_head()
763 		ASSERT(head_blk <= INT_MAX);  in xlog_find_head()
764 		error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0);  in xlog_find_head()
769 			start_blk = log_bbnum - (num_scan_bblks - head_blk);  in xlog_find_head()
773 			ASSERT(head_blk <= INT_MAX);  in xlog_find_head()
775 							&new_blk, (int)head_blk);  in xlog_find_head()
781 				head_blk = new_blk;  in xlog_find_head()
787 	if (head_blk == log_bbnum)  in xlog_find_head()
790 		*return_head_blk = head_blk;  in xlog_find_head()
817 	xfs_daddr_t		head_blk,  in xlog_rseek_logrec_hdr()  argument
837 	end_blk = head_blk > tail_blk ? tail_blk : 0;  in xlog_rseek_logrec_hdr()
838 	for (i = (int) head_blk - 1; i >= end_blk; i--) {  in xlog_rseek_logrec_hdr()
856 	if (tail_blk >= head_blk && found != count) {  in xlog_rseek_logrec_hdr()
891 	xfs_daddr_t		head_blk,  in xlog_seek_logrec_hdr()  argument
911 	end_blk = head_blk > tail_blk ? head_blk : log->l_logBBsize - 1;  in xlog_seek_logrec_hdr()
929 	if (tail_blk > head_blk && found != count) {  in xlog_seek_logrec_hdr()
930 		for (i = 0; i < (int) head_blk; i++) {  in xlog_seek_logrec_hdr()
958 	xfs_daddr_t	head_blk,  in xlog_tail_distance()  argument
961 	if (head_blk < tail_blk)  in xlog_tail_distance()
962 		return tail_blk - head_blk;  in xlog_tail_distance()
964 	return tail_blk + (log->l_logBBsize - head_blk);  in xlog_tail_distance()
989 	xfs_daddr_t		head_blk,  in xlog_verify_tail()  argument
1009 	error = xlog_seek_logrec_hdr(log, head_blk, *tail_blk, 1, buffer,  in xlog_verify_tail()
1024 	error = xlog_do_recovery_pass(log, head_blk, *tail_blk,  in xlog_verify_tail()
1033 		tail_distance = xlog_tail_distance(log, head_blk, first_bad);  in xlog_verify_tail()
1038 		error = xlog_seek_logrec_hdr(log, head_blk, first_bad, 2,  in xlog_verify_tail()
1045 		error = xlog_do_recovery_pass(log, head_blk, *tail_blk,  in xlog_verify_tail()
1074 	xfs_daddr_t		*head_blk,	/* in/out: unverified head */  in xlog_verify_head()  argument
1098 	error = xlog_rseek_logrec_hdr(log, *head_blk, *tail_blk,  in xlog_verify_head()
1110 	error = xlog_do_recovery_pass(log, *head_blk, tmp_rhead_blk,  in xlog_verify_head()
1120 			 first_bad, *head_blk);  in xlog_verify_head()
1146 		*head_blk = first_bad;  in xlog_verify_head()
1148 		if (*head_blk == *tail_blk) {  in xlog_verify_head()
1156 	return xlog_verify_tail(log, *head_blk, tail_blk,  in xlog_verify_head()
1187 	xfs_daddr_t		*head_blk,  in xlog_check_unmount_rec()  argument
1231 	if (*head_blk == after_umount_blk &&  in xlog_check_unmount_rec()
1261 	xfs_daddr_t		head_blk,  in xlog_set_state()  argument
1277 	log->l_curr_block = (int)head_blk;  in xlog_set_state()
1308 	xfs_daddr_t		*head_blk,  in xlog_find_tail()  argument
1323 	if ((error = xlog_find_head(log, head_blk)))  in xlog_find_tail()
1325 	ASSERT(*head_blk < INT_MAX);  in xlog_find_tail()
1330 	if (*head_blk == 0) {				/* special case */  in xlog_find_tail()
1347 	error = xlog_rseek_logrec_hdr(log, *head_blk, *head_blk, 1, buffer,  in xlog_find_tail()
1360 	xlog_set_state(log, *head_blk, rhead, rhead_blk, wrapped);  in xlog_find_tail()
1367 	error = xlog_check_unmount_rec(log, head_blk, tail_blk, rhead,  in xlog_find_tail()
1383 		xfs_daddr_t	orig_head = *head_blk;  in xlog_find_tail()
1385 		error = xlog_verify_head(log, head_blk, tail_blk, buffer,  in xlog_find_tail()
1391 		if (*head_blk != orig_head) {  in xlog_find_tail()
1392 			xlog_set_state(log, *head_blk, rhead, rhead_blk,  in xlog_find_tail()
1395 			error = xlog_check_unmount_rec(log, head_blk, tail_blk,  in xlog_find_tail()
5232 	xfs_daddr_t		head_blk,  in xlog_do_recovery_pass()  argument
5250 	ASSERT(head_blk != tail_blk);  in xlog_do_recovery_pass()
5329 	if (tail_blk > head_blk) {  in xlog_do_recovery_pass()
5458 	while (blk_no < head_blk) {  in xlog_do_recovery_pass()
5531 	xfs_daddr_t	head_blk,  in xlog_do_log_recovery()  argument
5536 	ASSERT(head_blk != tail_blk);  in xlog_do_log_recovery()
5548 	error = xlog_do_recovery_pass(log, head_blk, tail_blk,  in xlog_do_log_recovery()
5559 	error = xlog_do_recovery_pass(log, head_blk, tail_blk,  in xlog_do_log_recovery()
5582 	xfs_daddr_t	head_blk,  in xlog_do_recover()  argument
5590 	trace_xfs_log_recover(log, head_blk, tail_blk);  in xlog_do_recover()
5595 	error = xlog_do_log_recovery(log, head_blk, tail_blk);  in xlog_do_recover()
5667 	xfs_daddr_t	head_blk, tail_blk;  in xlog_recover()  local
5671 	error = xlog_find_tail(log, &head_blk, &tail_blk);  in xlog_recover()
5684 	if (tail_blk != head_blk) {  in xlog_recover()
5737 		error = xlog_do_recover(log, head_blk, tail_blk);  in xlog_recover()