504 	xfs_daddr_t	new_blk, first_blk, start_blk, last_blk, head_blk;  in xlog_find_head()  local
542 	last_blk = head_blk = log_bbnum - 1;	/* get cycle # of last block */  in xlog_find_head()
587 		head_blk = log_bbnum;  in xlog_find_head()
613 		error = xlog_find_cycle_start(log, buffer, first_blk, &head_blk,  in xlog_find_head()
627 	if (head_blk >= num_scan_bblks) {  in xlog_find_head()
632 		start_blk = head_blk - num_scan_bblks;  in xlog_find_head()
638 			head_blk = new_blk;  in xlog_find_head()
667 		ASSERT(head_blk <= INT_MAX &&  in xlog_find_head()
668 			(xfs_daddr_t) num_scan_bblks >= head_blk);  in xlog_find_head()
669 		start_blk = log_bbnum - (num_scan_bblks - head_blk);  in xlog_find_head()
671 					num_scan_bblks - (int)head_blk,  in xlog_find_head()
675 			head_blk = new_blk;  in xlog_find_head()
685 		ASSERT(head_blk <= INT_MAX);  in xlog_find_head()
687 					start_blk, (int)head_blk,  in xlog_find_head()
691 			head_blk = new_blk;  in xlog_find_head()
700 	if (head_blk >= num_scan_bblks) {  in xlog_find_head()
701 		start_blk = head_blk - num_scan_bblks; /* don't read head_blk */  in xlog_find_head()
704 		error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0);  in xlog_find_head()
711 		ASSERT(head_blk <= INT_MAX);  in xlog_find_head()
712 		error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0);  in xlog_find_head()
717 			start_blk = log_bbnum - (num_scan_bblks - head_blk);  in xlog_find_head()
721 			ASSERT(head_blk <= INT_MAX);  in xlog_find_head()
723 							&new_blk, (int)head_blk);  in xlog_find_head()
729 				head_blk = new_blk;  in xlog_find_head()
735 	if (head_blk == log_bbnum)  in xlog_find_head()
738 		*return_head_blk = head_blk;  in xlog_find_head()
765 	xfs_daddr_t		head_blk,  in xlog_rseek_logrec_hdr()  argument
785 	end_blk = head_blk > tail_blk ? tail_blk : 0;  in xlog_rseek_logrec_hdr()
786 	for (i = (int) head_blk - 1; i >= end_blk; i--) {  in xlog_rseek_logrec_hdr()
804 	if (tail_blk >= head_blk && found != count) {  in xlog_rseek_logrec_hdr()
839 	xfs_daddr_t		head_blk,  in xlog_seek_logrec_hdr()  argument
859 	end_blk = head_blk > tail_blk ? head_blk : log->l_logBBsize - 1;  in xlog_seek_logrec_hdr()
877 	if (tail_blk > head_blk && found != count) {  in xlog_seek_logrec_hdr()
878 		for (i = 0; i < (int) head_blk; i++) {  in xlog_seek_logrec_hdr()
906 	xfs_daddr_t	head_blk,  in xlog_tail_distance()  argument
909 	if (head_blk < tail_blk)  in xlog_tail_distance()
910 		return tail_blk - head_blk;  in xlog_tail_distance()
912 	return tail_blk + (log->l_logBBsize - head_blk);  in xlog_tail_distance()
937 	xfs_daddr_t		head_blk,  in xlog_verify_tail()  argument
957 	error = xlog_seek_logrec_hdr(log, head_blk, *tail_blk, 1, buffer,  in xlog_verify_tail()
972 	error = xlog_do_recovery_pass(log, head_blk, *tail_blk,  in xlog_verify_tail()
981 		tail_distance = xlog_tail_distance(log, head_blk, first_bad);  in xlog_verify_tail()
986 		error = xlog_seek_logrec_hdr(log, head_blk, first_bad, 2,  in xlog_verify_tail()
993 		error = xlog_do_recovery_pass(log, head_blk, *tail_blk,  in xlog_verify_tail()
1022 	xfs_daddr_t		*head_blk,	/* in/out: unverified head */  in xlog_verify_head()  argument
1046 	error = xlog_rseek_logrec_hdr(log, *head_blk, *tail_blk,  in xlog_verify_head()
1058 	error = xlog_do_recovery_pass(log, *head_blk, tmp_rhead_blk,  in xlog_verify_head()
1068 			 first_bad, *head_blk);  in xlog_verify_head()
1094 		*head_blk = first_bad;  in xlog_verify_head()
1096 		if (*head_blk == *tail_blk) {  in xlog_verify_head()
1104 	return xlog_verify_tail(log, *head_blk, tail_blk,  in xlog_verify_head()
1135 	xfs_daddr_t		*head_blk,  in xlog_check_unmount_rec()  argument
1164 	if (*head_blk == after_umount_blk &&  in xlog_check_unmount_rec()
1194 	xfs_daddr_t		head_blk,  in xlog_set_state()  argument
1210 	log->l_curr_block = (int)head_blk;  in xlog_set_state()
1241 	xfs_daddr_t		*head_blk,  in xlog_find_tail()  argument
1256 	if ((error = xlog_find_head(log, head_blk)))  in xlog_find_tail()
1258 	ASSERT(*head_blk < INT_MAX);  in xlog_find_tail()
1263 	if (*head_blk == 0) {				/* special case */  in xlog_find_tail()
1280 	error = xlog_rseek_logrec_hdr(log, *head_blk, *head_blk, 1, buffer,  in xlog_find_tail()
1294 	xlog_set_state(log, *head_blk, rhead, rhead_blk, wrapped);  in xlog_find_tail()
1301 	error = xlog_check_unmount_rec(log, head_blk, tail_blk, rhead,  in xlog_find_tail()
1317 		xfs_daddr_t	orig_head = *head_blk;  in xlog_find_tail()
1319 		error = xlog_verify_head(log, head_blk, tail_blk, buffer,  in xlog_find_tail()
1325 		if (*head_blk != orig_head) {  in xlog_find_tail()
1326 			xlog_set_state(log, *head_blk, rhead, rhead_blk,  in xlog_find_tail()
1329 			error = xlog_check_unmount_rec(log, head_blk, tail_blk,  in xlog_find_tail()
2949 	xfs_daddr_t		head_blk,  in xlog_do_recovery_pass()  argument
2967 	ASSERT(head_blk != tail_blk);  in xlog_do_recovery_pass()
3039 	if (tail_blk > head_blk) {  in xlog_do_recovery_pass()
3168 	while (blk_no < head_blk) {  in xlog_do_recovery_pass()
3241 	xfs_daddr_t	head_blk,  in xlog_do_log_recovery()  argument
3246 	ASSERT(head_blk != tail_blk);  in xlog_do_log_recovery()
3256 	error = xlog_do_recovery_pass(log, head_blk, tail_blk,  in xlog_do_log_recovery()
3265 	error = xlog_do_recovery_pass(log, head_blk, tail_blk,  in xlog_do_log_recovery()
3280 	xfs_daddr_t		head_blk,  in xlog_do_recover()  argument
3288 	trace_xfs_log_recover(log, head_blk, tail_blk);  in xlog_do_recover()
3293 	error = xlog_do_log_recovery(log, head_blk, tail_blk);  in xlog_do_recover()
3356 	xfs_daddr_t	head_blk, tail_blk;  in xlog_recover()  local
3360 	error = xlog_find_tail(log, &head_blk, &tail_blk);  in xlog_recover()
3373 	if (tail_blk != head_blk) {  in xlog_recover()
3426 		error = xlog_do_recover(log, head_blk, tail_blk);  in xlog_recover()