74 	struct buffer_head *bh;  in do_readahead()  local
97 		bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize);  in do_readahead()
98 		if (!bh) {  in do_readahead()
103 		if (!buffer_uptodate(bh) && !buffer_locked(bh)) {  in do_readahead()
104 			bufs[nbufs++] = bh;  in do_readahead()
111 			brelse(bh);  in do_readahead()
136 	struct buffer_head *bh;  in jread()  local
153 	bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize);  in jread()
154 	if (!bh)  in jread()
157 	if (!buffer_uptodate(bh)) {  in jread()
160 		if (!buffer_req(bh))  in jread()
162 		wait_on_buffer(bh);  in jread()
165 	if (!buffer_uptodate(bh)) {  in jread()
168 		brelse(bh);  in jread()
172 	*bhp = bh;  in jread()
181 static int count_tags(struct buffer_head *bh, int size)  in count_tags()  argument
187 	tagp = &bh->b_data[sizeof(journal_header_t)];  in count_tags()
189 	while ((tagp - bh->b_data + sizeof(journal_block_tag_t)) <= size) {  in count_tags()
325 	struct buffer_head *	bh;  in do_one_pass()  local
377 		err = jread(&bh, journal, next_log_block);  in do_one_pass()
390 		tmp = (journal_header_t *)bh->b_data;  in do_one_pass()
393 			brelse(bh);  in do_one_pass()
403 			brelse(bh);  in do_one_pass()
418 					count_tags(bh, journal->j_blocksize);  in do_one_pass()
420 				brelse(bh);  in do_one_pass()
428 			tagp = &bh->b_data[sizeof(journal_header_t)];  in do_one_pass()
429 			while ((tagp - bh->b_data +sizeof(journal_block_tag_t))  in do_one_pass()
474 						brelse(bh);  in do_one_pass()
507 			brelse(bh);  in do_one_pass()
514 			brelse(bh);  in do_one_pass()
522 				brelse(bh);  in do_one_pass()
526 			err = scan_revoke_records(journal, bh,  in do_one_pass()
528 			brelse(bh);  in do_one_pass()
536 			brelse(bh);  in do_one_pass()
572 static int scan_revoke_records(journal_t *journal, struct buffer_head *bh,  in scan_revoke_records()  argument
578 	header = (journal_revoke_header_t *) bh->b_data;  in scan_revoke_records()
586 		blocknr = be32_to_cpu(* ((__be32 *) (bh->b_data+offset)));  in scan_revoke_records()