44 	struct buffer_head *bh;  in ext3_append()  local
48 	if ((bh = ext3_dir_bread(handle, inode, *block, 1, err))) {  in ext3_append()
51 		*err = ext3_journal_get_write_access(handle, bh);  in ext3_append()
53 			brelse(bh);  in ext3_append()
54 			bh = NULL;  in ext3_append()
57 	return bh;  in ext3_append()
123 	struct buffer_head *bh;  member
294 	struct buffer_head *bh;  in dx_show_entries()  local
303 		if (!(bh = ext3_bread (NULL,dir, block, 0,&err))) continue;  in dx_show_entries()
305 		   dx_show_entries(hinfo, dir, ((struct dx_node *) bh->b_data)->entries, levels - 1):  in dx_show_entries()
306 		   dx_show_leaf(hinfo, (struct ext3_dir_entry_2 *) bh->b_data, blocksize, 0);  in dx_show_entries()
310 		brelse (bh);  in dx_show_entries()
335 	struct buffer_head *bh;  in dx_probe()  local
339 	frame->bh = NULL;  in dx_probe()
340 	if (!(bh = ext3_dir_bread(NULL, dir, 0, 0, err))) {  in dx_probe()
344 	root = (struct dx_root *) bh->b_data;  in dx_probe()
351 		brelse(bh);  in dx_probe()
367 		brelse(bh);  in dx_probe()
376 		brelse(bh);  in dx_probe()
388 		brelse(bh);  in dx_probe()
400 			brelse(bh);  in dx_probe()
435 		frame->bh = bh;  in dx_probe()
439 		if (!(bh = ext3_dir_bread(NULL, dir, dx_get_block(at), 0, err))) {  in dx_probe()
443 		at = entries = ((struct dx_node *) bh->b_data)->entries;  in dx_probe()
447 			brelse(bh);  in dx_probe()
452 		frame->bh = NULL;  in dx_probe()
456 		brelse(frame->bh);  in dx_probe()
469 	if (frames[0].bh == NULL)  in dx_release()
472 	if (((struct dx_root *) frames[0].bh->b_data)->info.indirect_levels)  in dx_release()
473 		brelse(frames[1].bh);  in dx_release()
474 	brelse(frames[0].bh);  in dx_release()
500 	struct buffer_head *bh;  in ext3_htree_next_block()  local
540 		if (!(bh = ext3_dir_bread(NULL, dir, dx_get_block(p->at),  in ext3_htree_next_block()
544 		brelse (p->bh);  in ext3_htree_next_block()
545 		p->bh = bh;  in ext3_htree_next_block()
546 		p->at = p->entries = ((struct dx_node *) bh->b_data)->entries;  in ext3_htree_next_block()
562 	struct buffer_head *bh;  in htree_dirblock_to_tree()  local
568 	if (!(bh = ext3_dir_bread(NULL, dir, block, 0, &err)))  in htree_dirblock_to_tree()
571 	de = (struct ext3_dir_entry_2 *) bh->b_data;  in htree_dirblock_to_tree()
576 		if (!ext3_check_dir_entry("htree_dirblock_to_tree", dir, de, bh,  in htree_dirblock_to_tree()
578 						+((char *)de - bh->b_data))) {  in htree_dirblock_to_tree()
591 			brelse(bh);  in htree_dirblock_to_tree()
596 	brelse(bh);  in htree_dirblock_to_tree()
643 		de = (struct ext3_dir_entry_2 *) frames[0].bh->b_data;  in ext3_htree_fill_tree()
649 		de = (struct ext3_dir_entry_2 *) frames[0].bh->b_data;  in ext3_htree_fill_tree()
793 static inline int search_dirblock(struct buffer_head * bh,  in search_dirblock()  argument
805 	de = (struct ext3_dir_entry_2 *) bh->b_data;  in search_dirblock()
806 	dlimit = bh->b_data + dir->i_sb->s_blocksize;  in search_dirblock()
815 						  dir, de, bh, offset))  in search_dirblock()
848 	struct buffer_head * bh, *ret = NULL;  in ext3_find_entry()  local
875 		bh = ext3_dx_find_entry(dir, entry, res_dir, &err);  in ext3_find_entry()
881 		if (bh || (err != ERR_BAD_DX_DIR))  in ext3_find_entry()
882 			return bh;  in ext3_find_entry()
910 				bh = ext3_getblk(NULL, dir, b++, 0, &err);  in ext3_find_entry()
911 				bh_use[ra_max] = bh;  in ext3_find_entry()
912 				if (bh && !bh_uptodate_or_lock(bh)) {  in ext3_find_entry()
913 					get_bh(bh);  in ext3_find_entry()
914 					bh->b_end_io = end_buffer_read_sync;  in ext3_find_entry()
916 						  bh);  in ext3_find_entry()
920 		if ((bh = bh_use[ra_ptr++]) == NULL)  in ext3_find_entry()
922 		wait_on_buffer(bh);  in ext3_find_entry()
923 		if (!buffer_uptodate(bh)) {  in ext3_find_entry()
927 			brelse(bh);  in ext3_find_entry()
930 		i = search_dirblock(bh, dir, entry,  in ext3_find_entry()
934 			ret = bh;  in ext3_find_entry()
937 			brelse(bh);  in ext3_find_entry()
971 	struct buffer_head *bh;  in ext3_dx_find_entry()  local
979 		if (!(bh = ext3_dir_bread (NULL, dir, block, 0, err)))  in ext3_dx_find_entry()
982 		retval = search_dirblock(bh, dir, entry,  in ext3_dx_find_entry()
987 			return bh;  in ext3_dx_find_entry()
989 		brelse(bh);  in ext3_dx_find_entry()
1018 	struct buffer_head * bh;  in ext3_lookup()  local
1023 	bh = ext3_find_entry(dir, &dentry->d_name, &de);  in ext3_lookup()
1025 	if (bh) {  in ext3_lookup()
1027 		brelse (bh);  in ext3_lookup()
1050 	struct buffer_head *bh;  in ext3_get_parent()  local
1052 	bh = ext3_find_entry(d_inode(child), &dotdot, &de);  in ext3_get_parent()
1053 	if (!bh)  in ext3_get_parent()
1056 	brelse(bh);  in ext3_get_parent()
1139 			struct buffer_head **bh,struct dx_frame *frame,  in do_split()  argument
1148 	char *data1 = (*bh)->b_data, *data2;  in do_split()
1155 		brelse(*bh);  in do_split()
1156 		*bh = NULL;  in do_split()
1160 	BUFFER_TRACE(*bh, "get_write_access");  in do_split()
1161 	err = ext3_journal_get_write_access(handle, *bh);  in do_split()
1165 	BUFFER_TRACE(frame->bh, "get_write_access");  in do_split()
1166 	err = ext3_journal_get_write_access(handle, frame->bh);  in do_split()
1206 		swap(*bh, bh2);  in do_split()
1213 	err = ext3_journal_dirty_metadata (handle, frame->bh);  in do_split()
1221 	brelse(*bh);  in do_split()
1223 	*bh = NULL;  in do_split()
1244 			     struct buffer_head * bh)  in add_dirent_to_buf()  argument
1256 		de = (struct ext3_dir_entry_2 *)bh->b_data;  in add_dirent_to_buf()
1257 		top = bh->b_data + dir->i_sb->s_blocksize - reclen;  in add_dirent_to_buf()
1260 						  bh, offset)) {  in add_dirent_to_buf()
1261 				brelse (bh);  in add_dirent_to_buf()
1265 				brelse (bh);  in add_dirent_to_buf()
1278 	BUFFER_TRACE(bh, "get_write_access");  in add_dirent_to_buf()
1279 	err = ext3_journal_get_write_access(handle, bh);  in add_dirent_to_buf()
1282 		brelse(bh);  in add_dirent_to_buf()
1318 	BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");  in add_dirent_to_buf()
1319 	err = ext3_journal_dirty_metadata(handle, bh);  in add_dirent_to_buf()
1322 	brelse(bh);  in add_dirent_to_buf()
1331 			    struct inode *inode, struct buffer_head *bh)  in make_indexed_dir()  argument
1351 	retval = ext3_journal_get_write_access(handle, bh);  in make_indexed_dir()
1354 		brelse(bh);  in make_indexed_dir()
1357 	root = (struct dx_root *) bh->b_data;  in make_indexed_dir()
1367 		brelse(bh);  in make_indexed_dir()
1374 		brelse(bh);  in make_indexed_dir()
1406 	frame->bh = bh;  in make_indexed_dir()
1407 	bh = bh2;  in make_indexed_dir()
1412 	ext3_journal_dirty_metadata(handle, frame->bh);  in make_indexed_dir()
1413 	ext3_journal_dirty_metadata(handle, bh);  in make_indexed_dir()
1414 	de = do_split(handle,dir, &bh, frame, &hinfo, &retval);  in make_indexed_dir()
1422 	return add_dirent_to_buf(handle, dentry, inode, de, bh);  in make_indexed_dir()
1439 	struct buffer_head * bh;  in ext3_add_entry()  local
1461 		if (!(bh = ext3_dir_bread(handle, dir, block, 0, &retval)))  in ext3_add_entry()
1464 		retval = add_dirent_to_buf(handle, dentry, inode, NULL, bh);  in ext3_add_entry()
1470 			return make_indexed_dir(handle, dentry, inode, bh);  in ext3_add_entry()
1471 		brelse(bh);  in ext3_add_entry()
1473 	bh = ext3_append(handle, dir, &block, &retval);  in ext3_add_entry()
1474 	if (!bh)  in ext3_add_entry()
1476 	de = (struct ext3_dir_entry_2 *) bh->b_data;  in ext3_add_entry()
1479 	return add_dirent_to_buf(handle, dentry, inode, de, bh);  in ext3_add_entry()
1491 	struct buffer_head * bh;  in ext3_dx_add_entry()  local
1503 	if (!(bh = ext3_dir_bread(handle, dir, dx_get_block(frame->at), 0, &err)))  in ext3_dx_add_entry()
1506 	BUFFER_TRACE(bh, "get_write_access");  in ext3_dx_add_entry()
1507 	err = ext3_journal_get_write_access(handle, bh);  in ext3_dx_add_entry()
1511 	err = add_dirent_to_buf(handle, dentry, inode, NULL, bh);  in ext3_dx_add_entry()
1513 		bh = NULL;  in ext3_dx_add_entry()
1543 		BUFFER_TRACE(frame->bh, "get_write_access");  in ext3_dx_add_entry()
1544 		err = ext3_journal_get_write_access(handle, frame->bh);  in ext3_dx_add_entry()
1552 			BUFFER_TRACE(frame->bh, "get_write_access"); /* index root */  in ext3_dx_add_entry()
1554 							     frames[0].bh);  in ext3_dx_add_entry()
1568 				swap(frame->bh, bh2);  in ext3_dx_add_entry()
1587 			((struct dx_root *) frames[0].bh->b_data)->info.indirect_levels = 1;  in ext3_dx_add_entry()
1593 			frame->bh = bh2;  in ext3_dx_add_entry()
1595 							     frame->bh);  in ext3_dx_add_entry()
1599 		err = ext3_journal_dirty_metadata(handle, frames[0].bh);  in ext3_dx_add_entry()
1603 	de = do_split(handle, dir, &bh, frame, &hinfo, &err);  in ext3_dx_add_entry()
1606 	err = add_dirent_to_buf(handle, dentry, inode, de, bh);  in ext3_dx_add_entry()
1607 	bh = NULL;  in ext3_dx_add_entry()
1613 	if (bh)  in ext3_dx_add_entry()
1614 		brelse(bh);  in ext3_dx_add_entry()
1626 			      struct buffer_head * bh)  in ext3_delete_entry()  argument
1633 	de = (struct ext3_dir_entry_2 *) bh->b_data;  in ext3_delete_entry()
1634 	while (i < bh->b_size) {  in ext3_delete_entry()
1635 		if (!ext3_check_dir_entry("ext3_delete_entry", dir, de, bh, i))  in ext3_delete_entry()
1640 			BUFFER_TRACE(bh, "get_write_access");  in ext3_delete_entry()
1641 			err = ext3_journal_get_write_access(handle, bh);  in ext3_delete_entry()
1652 			BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");  in ext3_delete_entry()
1653 			err = ext3_journal_dirty_metadata(handle, bh);  in ext3_delete_entry()
1892 	struct buffer_head * bh;  in empty_dir()  local
1899 	    !(bh = ext3_dir_bread(NULL, inode, 0, 0, &err))) {  in empty_dir()
1910 	de = (struct ext3_dir_entry_2 *) bh->b_data;  in empty_dir()
1919 		brelse (bh);  in empty_dir()
1926 		if (!bh ||  in empty_dir()
1927 			(void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {  in empty_dir()
1929 			brelse (bh);  in empty_dir()
1930 			if (!(bh = ext3_dir_bread (NULL, inode,  in empty_dir()
1940 			de = (struct ext3_dir_entry_2 *) bh->b_data;  in empty_dir()
1942 		if (!ext3_check_dir_entry("empty_dir", inode, de, bh, offset)) {  in empty_dir()
1943 			de = (struct ext3_dir_entry_2 *)(bh->b_data +  in empty_dir()
1949 			brelse (bh);  in empty_dir()
1955 	brelse (bh);  in empty_dir()
2099 	brelse(iloc.bh);  in ext3_orphan_del()
2107 	struct buffer_head * bh;  in ext3_rmdir()  local
2121 	bh = ext3_find_entry(dir, &dentry->d_name, &de);  in ext3_rmdir()
2122 	if (!bh)  in ext3_rmdir()
2138 	retval = ext3_delete_entry(handle, dir, de, bh);  in ext3_rmdir()
2160 	brelse (bh);  in ext3_rmdir()
2168 	struct buffer_head * bh;  in ext3_unlink()  local
2186 	bh = ext3_find_entry(dir, &dentry->d_name, &de);  in ext3_unlink()
2187 	if (!bh)  in ext3_unlink()
2202 	retval = ext3_delete_entry(handle, dir, de, bh);  in ext3_unlink()
2217 	brelse (bh);  in ext3_unlink()