438 				     struct buffer_head *bh,  in __ocfs2_init_extent_tree()  argument
444 	et->et_root_bh = bh;  in __ocfs2_init_extent_tree()
448 		obj = (void *)bh->b_data;  in __ocfs2_init_extent_tree()
460 				   struct buffer_head *bh)  in ocfs2_init_dinode_extent_tree()  argument
462 	__ocfs2_init_extent_tree(et, ci, bh, ocfs2_journal_access_di,  in ocfs2_init_dinode_extent_tree()
468 				       struct buffer_head *bh)  in ocfs2_init_xattr_tree_extent_tree()  argument
470 	__ocfs2_init_extent_tree(et, ci, bh, ocfs2_journal_access_xb,  in ocfs2_init_xattr_tree_extent_tree()
484 				    struct buffer_head *bh)  in ocfs2_init_dx_root_extent_tree()  argument
486 	__ocfs2_init_extent_tree(et, ci, bh, ocfs2_journal_access_dr,  in ocfs2_init_dx_root_extent_tree()
492 				     struct buffer_head *bh)  in ocfs2_init_refcount_extent_tree()  argument
494 	__ocfs2_init_extent_tree(et, ci, bh, ocfs2_journal_access_rb,  in ocfs2_init_refcount_extent_tree()
591 		brelse(node->bh);  in ocfs2_reinit_path()
592 		node->bh = NULL;  in ocfs2_reinit_path()
635 		dest->p_node[i].bh = src->p_node[i].bh;  in ocfs2_cp_path()
638 		if (dest->p_node[i].bh)  in ocfs2_cp_path()
639 			get_bh(dest->p_node[i].bh);  in ocfs2_cp_path()
655 		brelse(dest->p_node[i].bh);  in ocfs2_mv_path()
657 		dest->p_node[i].bh = src->p_node[i].bh;  in ocfs2_mv_path()
660 		src->p_node[i].bh = NULL;  in ocfs2_mv_path()
683 	path->p_node[index].bh = eb_bh;  in ocfs2_path_insert_eb()
739 	return access(handle, ci, path->p_node[idx].bh,  in ocfs2_path_bh_journal_access()
884 				       struct buffer_head *bh)  in ocfs2_validate_extent_block()  argument
888 		(struct ocfs2_extent_block *)bh->b_data;  in ocfs2_validate_extent_block()
890 	trace_ocfs2_validate_extent_block((unsigned long long)bh->b_blocknr);  in ocfs2_validate_extent_block()
892 	BUG_ON(!buffer_uptodate(bh));  in ocfs2_validate_extent_block()
899 	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check);  in ocfs2_validate_extent_block()
902 		     (unsigned long long)bh->b_blocknr);  in ocfs2_validate_extent_block()
913 			    (unsigned long long)bh->b_blocknr, 7,  in ocfs2_validate_extent_block()
918 	if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) {  in ocfs2_validate_extent_block()
922 			    (unsigned long long)bh->b_blocknr,  in ocfs2_validate_extent_block()
931 			    (unsigned long long)bh->b_blocknr,  in ocfs2_validate_extent_block()
940 			    struct buffer_head **bh)  in ocfs2_read_extent_block()  argument
943 	struct buffer_head *tmp = *bh;  in ocfs2_read_extent_block()
949 	if (!rc && !*bh)  in ocfs2_read_extent_block()
950 		*bh = tmp;  in ocfs2_read_extent_block()
1165 	struct buffer_head *bh;  in ocfs2_add_branch()  local
1234 		bh = new_eb_bhs[i];  in ocfs2_add_branch()
1235 		eb = (struct ocfs2_extent_block *) bh->b_data;  in ocfs2_add_branch()
1240 		status = ocfs2_journal_access_eb(handle, et->et_ci, bh,  in ocfs2_add_branch()
1265 		ocfs2_journal_dirty(handle, bh);  in ocfs2_add_branch()
1439 	struct buffer_head *bh = NULL;  in ocfs2_find_branch_target()  local
1467 		brelse(bh);  in ocfs2_find_branch_target()
1468 		bh = NULL;  in ocfs2_find_branch_target()
1470 		status = ocfs2_read_extent_block(et->et_ci, blkno, &bh);  in ocfs2_find_branch_target()
1476 		eb = (struct ocfs2_extent_block *) bh->b_data;  in ocfs2_find_branch_target()
1482 			lowest_bh = bh;  in ocfs2_find_branch_target()
1495 	brelse(bh);  in ocfs2_find_branch_target()
1517 	struct buffer_head *bh = NULL;  in ocfs2_grow_tree()  local
1521 	shift = ocfs2_find_branch_target(et, &bh);  in ocfs2_grow_tree()
1532 		BUG_ON(bh);  in ocfs2_grow_tree()
1541 		ret = ocfs2_shift_tree_depth(handle, et, meta_ac, &bh);  in ocfs2_grow_tree()
1558 			get_bh(bh);  in ocfs2_grow_tree()
1559 			*last_eb_bh = bh;  in ocfs2_grow_tree()
1566 	ret = ocfs2_add_branch(handle, et, bh, last_eb_bh,  in ocfs2_grow_tree()
1576 	brelse(bh);  in ocfs2_grow_tree()
1761 	} while (left->p_node[i].bh->b_blocknr ==  in ocfs2_find_subtree_root()
1762 		 right->p_node[i].bh->b_blocknr);  in ocfs2_find_subtree_root()
1782 	struct buffer_head *bh = NULL;  in __ocfs2_find_path()  local
1825 		brelse(bh);  in __ocfs2_find_path()
1826 		bh = NULL;  in __ocfs2_find_path()
1827 		ret = ocfs2_read_extent_block(ci, blkno, &bh);  in __ocfs2_find_path()
1833 		eb = (struct ocfs2_extent_block *) bh->b_data;  in __ocfs2_find_path()
1842 				    (unsigned long long)bh->b_blocknr,  in __ocfs2_find_path()
1850 			func(data, bh);  in __ocfs2_find_path()
1857 	brelse(bh);  in __ocfs2_find_path()
1877 static void find_path_ins(void *data, struct buffer_head *bh)  in find_path_ins()  argument
1881 	get_bh(bh);  in find_path_ins()
1882 	ocfs2_path_insert_eb(fp->path, fp->index, bh);  in find_path_ins()
1896 static void find_leaf_ins(void *data, struct buffer_head *bh)  in find_leaf_ins()  argument
1898 	struct ocfs2_extent_block *eb =(struct ocfs2_extent_block *)bh->b_data;  in find_leaf_ins()
1904 		get_bh(bh);  in find_leaf_ins()
1905 		*ret = bh;  in find_leaf_ins()
1922 	struct buffer_head *bh = NULL;  in ocfs2_find_leaf()  local
1924 	ret = __ocfs2_find_path(ci, root_el, cpos, find_leaf_ins, &bh);  in ocfs2_find_leaf()
1930 	*leaf_bh = bh;  in ocfs2_find_leaf()
2038 	struct buffer_head *root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_complete_edge_insert()
2073 		ocfs2_journal_dirty(handle, left_path->p_node[i].bh);  in ocfs2_complete_edge_insert()
2074 		ocfs2_journal_dirty(handle, right_path->p_node[i].bh);  in ocfs2_complete_edge_insert()
2094 				  left_path->p_node[subtree_index + 1].bh->b_blocknr);  in ocfs2_complete_edge_insert()
2096 	root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_complete_edge_insert()
2134 	root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_rotate_subtree_right()
2135 	BUG_ON(root_bh != right_path->p_node[subtree_index].bh);  in ocfs2_rotate_subtree_right()
2266 		blkno = path->p_node[i].bh->b_blocknr;  in ocfs2_find_cpos_for_left_leaf()
2463 			right_path->p_node[start].bh->b_blocknr,  in ocfs2_rotate_tree_right()
2568 		ocfs2_journal_dirty(handle, path->p_node[i].bh);  in ocfs2_update_edge_lengths()
2582 	struct buffer_head *bh;  in ocfs2_unlink_path()  local
2585 		bh = path->p_node[i].bh;  in ocfs2_unlink_path()
2587 		eb = (struct ocfs2_extent_block *)bh->b_data;  in ocfs2_unlink_path()
2601 			ocfs2_journal_dirty(handle, bh);  in ocfs2_unlink_path()
2602 			ocfs2_remove_from_cache(et->et_ci, bh);  in ocfs2_unlink_path()
2609 		ocfs2_journal_dirty(handle, bh);  in ocfs2_unlink_path()
2615 		ocfs2_remove_from_cache(et->et_ci, bh);  in ocfs2_unlink_path()
2627 	struct buffer_head *root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_unlink_subtree()
2634 	eb = (struct ocfs2_extent_block *)right_path->p_node[subtree_index + 1].bh->b_data;  in ocfs2_unlink_subtree()
2672 	root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_rotate_subtree_left()
2673 	BUG_ON(root_bh != right_path->p_node[subtree_index].bh);  in ocfs2_rotate_subtree_left()
2882 		blkno = path->p_node[i].bh->b_blocknr;  in ocfs2_find_cpos_for_right_leaf()
2895 	struct buffer_head *bh = path_leaf_bh(path);  in ocfs2_rotate_rightmost_leaf_left()  local
2909 	ocfs2_journal_dirty(handle, bh);  in ocfs2_rotate_rightmost_leaf_left()
2966 		     right_path->p_node[subtree_root].bh->b_blocknr,  in __ocfs2_rotate_tree_left()
3361 	struct buffer_head *bh = path_leaf_bh(left_path);  in ocfs2_merge_rec_right()  local
3400 		root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_merge_rec_right()
3401 		BUG_ON(root_bh != right_path->p_node[subtree_index].bh);  in ocfs2_merge_rec_right()
3449 	ocfs2_journal_dirty(handle, bh);  in ocfs2_merge_rec_right()
3525 	struct buffer_head *bh = path_leaf_bh(right_path);  in ocfs2_merge_rec_left()  local
3562 		root_bh = left_path->p_node[subtree_index].bh;  in ocfs2_merge_rec_left()
3563 		BUG_ON(root_bh != right_path->p_node[subtree_index].bh);  in ocfs2_merge_rec_left()
3619 	ocfs2_journal_dirty(handle, bh);  in ocfs2_merge_rec_left()
3918 	struct buffer_head *bh;  in ocfs2_adjust_rightmost_records()  local
3926 		bh = path->p_node[i].bh;  in ocfs2_adjust_rightmost_records()
3946 		ocfs2_journal_dirty(handle, bh);  in ocfs2_adjust_rightmost_records()
4326 	struct buffer_head *bh;  in ocfs2_figure_merge_contig_type()  local
4351 				bh = path_leaf_bh(left_path);  in ocfs2_figure_merge_contig_type()
4352 				eb = (struct ocfs2_extent_block *)bh->b_data;  in ocfs2_figure_merge_contig_type()
4406 				bh = path_leaf_bh(right_path);  in ocfs2_figure_merge_contig_type()
4407 				eb = (struct ocfs2_extent_block *)bh->b_data;  in ocfs2_figure_merge_contig_type()
4542 	struct buffer_head *bh = NULL;  in ocfs2_figure_insert_type()  local
4558 					      &bh);  in ocfs2_figure_insert_type()
4563 		eb = (struct ocfs2_extent_block *) bh->b_data;  in ocfs2_figure_insert_type()
4651 		*last_eb_bh = bh;  in ocfs2_figure_insert_type()
4653 		brelse(bh);  in ocfs2_figure_insert_type()
6076 	struct buffer_head *bh = NULL;  in ocfs2_get_truncate_log_info()  local
6087 	status = ocfs2_read_inode_block(inode, &bh);  in ocfs2_get_truncate_log_info()
6095 	*tl_bh    = bh;  in ocfs2_get_truncate_log_info()
6586 static int ocfs2_zero_func(handle_t *handle, struct buffer_head *bh)  in ocfs2_zero_func()  argument
6588 	set_buffer_uptodate(bh);  in ocfs2_zero_func()
6589 	mark_buffer_dirty(bh);  in ocfs2_zero_func()