1892 	struct extent_buffer *left = NULL;  in balance_level()  local
1966 	left = read_node_slot(root, parent, pslot - 1);  in balance_level()
1967 	if (left) {  in balance_level()
1968 		btrfs_tree_lock(left);  in balance_level()
1969 		btrfs_set_lock_blocking(left);  in balance_level()
1970 		wret = btrfs_cow_block(trans, root, left,  in balance_level()
1971 				       parent, pslot - 1, &left);  in balance_level()
1990 	if (left) {  in balance_level()
1991 		orig_slot += btrfs_header_nritems(left);  in balance_level()
1992 		wret = push_node_left(trans, root, left, mid, 1);  in balance_level()
2031 		if (!left) {  in balance_level()
2036 		wret = balance_node_right(trans, root, mid, left);  in balance_level()
2042 			wret = push_node_left(trans, root, left, mid, 1);  in balance_level()
2067 	if (left) {  in balance_level()
2068 		if (btrfs_header_nritems(left) > orig_slot) {  in balance_level()
2069 			extent_buffer_get(left);  in balance_level()
2071 			path->nodes[level] = left;  in balance_level()
2079 			orig_slot -= btrfs_header_nritems(left);  in balance_level()
2092 	if (left) {  in balance_level()
2093 		if (path->nodes[level] != left)  in balance_level()
2094 			btrfs_tree_unlock(left);  in balance_level()
2095 		free_extent_buffer(left);  in balance_level()
2110 	struct extent_buffer *left = NULL;  in push_nodes_for_insert()  local
2131 	left = read_node_slot(root, parent, pslot - 1);  in push_nodes_for_insert()
2134 	if (left) {  in push_nodes_for_insert()
2137 		btrfs_tree_lock(left);  in push_nodes_for_insert()
2138 		btrfs_set_lock_blocking(left);  in push_nodes_for_insert()
2140 		left_nr = btrfs_header_nritems(left);  in push_nodes_for_insert()
2144 			ret = btrfs_cow_block(trans, root, left, parent,  in push_nodes_for_insert()
2145 					      pslot - 1, &left);  in push_nodes_for_insert()
2150 						      left, mid, 0);  in push_nodes_for_insert()
2163 			if (btrfs_header_nritems(left) > orig_slot) {  in push_nodes_for_insert()
2164 				path->nodes[level] = left;  in push_nodes_for_insert()
2171 					btrfs_header_nritems(left);  in push_nodes_for_insert()
2173 				btrfs_tree_unlock(left);  in push_nodes_for_insert()
2174 				free_extent_buffer(left);  in push_nodes_for_insert()
2178 		btrfs_tree_unlock(left);  in push_nodes_for_insert()
2179 		free_extent_buffer(left);  in push_nodes_for_insert()
3600 	struct extent_buffer *left = path->nodes[0];  in __push_leaf_right()  local
3633 				int space = btrfs_leaf_free_space(root, left);  in __push_leaf_right()
3642 		this_item_size = btrfs_item_size(left, item);  in __push_leaf_right()
3661 	push_space = btrfs_item_end_nr(left, left_nritems - push_items);  in __push_leaf_right()
3662 	push_space -= leaf_data_end(root, left);  in __push_leaf_right()
3672 	copy_extent_buffer(right, left, btrfs_leaf_data(right) +  in __push_leaf_right()
3674 		     btrfs_leaf_data(left) + leaf_data_end(root, left),  in __push_leaf_right()
3682 	copy_extent_buffer(right, left, btrfs_item_nr_offset(0),  in __push_leaf_right()
3697 	btrfs_set_header_nritems(left, left_nritems);  in __push_leaf_right()
3700 		btrfs_mark_buffer_dirty(left);  in __push_leaf_right()
3702 		clean_tree_block(trans, root->fs_info, left);  in __push_leaf_right()
3746 	struct extent_buffer *left = path->nodes[0];  in push_leaf_right()  local
3785 	left_nritems = btrfs_header_nritems(left);  in push_leaf_right()
3794 		btrfs_tree_unlock(left);  in push_leaf_right()
3795 		free_extent_buffer(left);  in push_leaf_right()
3821 				     int empty, struct extent_buffer *left,  in __push_leaf_left()  argument
3876 	copy_extent_buffer(left, right,  in __push_leaf_left()
3877 			   btrfs_item_nr_offset(btrfs_header_nritems(left)),  in __push_leaf_left()
3884 	copy_extent_buffer(left, right, btrfs_leaf_data(left) +  in __push_leaf_left()
3885 		     leaf_data_end(root, left) - push_space,  in __push_leaf_left()
3889 	old_left_nritems = btrfs_header_nritems(left);  in __push_leaf_left()
3892 	old_left_item_size = btrfs_item_offset_nr(left, old_left_nritems - 1);  in __push_leaf_left()
3898 		ioff = btrfs_token_item_offset(left, item, &token);  in __push_leaf_left()
3899 		btrfs_set_token_item_offset(left, item,  in __push_leaf_left()
3903 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3934 	btrfs_mark_buffer_dirty(left);  in __push_leaf_left()
3948 		path->nodes[0] = left;  in __push_leaf_left()
3951 		btrfs_tree_unlock(left);  in __push_leaf_left()
3952 		free_extent_buffer(left);  in __push_leaf_left()
3958 	btrfs_tree_unlock(left);  in __push_leaf_left()
3959 	free_extent_buffer(left);  in __push_leaf_left()
3976 	struct extent_buffer *left;  in push_leaf_left()  local
3994 	left = read_node_slot(root, path->nodes[1], slot - 1);  in push_leaf_left()
3995 	if (left == NULL)  in push_leaf_left()
3998 	btrfs_tree_lock(left);  in push_leaf_left()
3999 	btrfs_set_lock_blocking(left);  in push_leaf_left()
4001 	free_space = btrfs_leaf_free_space(root, left);  in push_leaf_left()
4008 	ret = btrfs_cow_block(trans, root, left,  in push_leaf_left()
4009 			      path->nodes[1], slot - 1, &left);  in push_leaf_left()
4017 	free_space = btrfs_leaf_free_space(root, left);  in push_leaf_left()
4024 			       empty, left, free_space, right_nritems,  in push_leaf_left()
4027 	btrfs_tree_unlock(left);  in push_leaf_left()
4028 	free_extent_buffer(left);  in push_leaf_left()