1886 	struct extent_buffer *left = NULL;  in balance_level()  local
1960 	left = read_node_slot(root, parent, pslot - 1);  in balance_level()
1961 	if (left) {  in balance_level()
1962 		btrfs_tree_lock(left);  in balance_level()
1963 		btrfs_set_lock_blocking(left);  in balance_level()
1964 		wret = btrfs_cow_block(trans, root, left,  in balance_level()
1965 				       parent, pslot - 1, &left);  in balance_level()
1984 	if (left) {  in balance_level()
1985 		orig_slot += btrfs_header_nritems(left);  in balance_level()
1986 		wret = push_node_left(trans, root, left, mid, 1);  in balance_level()
2025 		if (!left) {  in balance_level()
2030 		wret = balance_node_right(trans, root, mid, left);  in balance_level()
2036 			wret = push_node_left(trans, root, left, mid, 1);  in balance_level()
2061 	if (left) {  in balance_level()
2062 		if (btrfs_header_nritems(left) > orig_slot) {  in balance_level()
2063 			extent_buffer_get(left);  in balance_level()
2065 			path->nodes[level] = left;  in balance_level()
2073 			orig_slot -= btrfs_header_nritems(left);  in balance_level()
2086 	if (left) {  in balance_level()
2087 		if (path->nodes[level] != left)  in balance_level()
2088 			btrfs_tree_unlock(left);  in balance_level()
2089 		free_extent_buffer(left);  in balance_level()
2104 	struct extent_buffer *left = NULL;  in push_nodes_for_insert()  local
2125 	left = read_node_slot(root, parent, pslot - 1);  in push_nodes_for_insert()
2128 	if (left) {  in push_nodes_for_insert()
2131 		btrfs_tree_lock(left);  in push_nodes_for_insert()
2132 		btrfs_set_lock_blocking(left);  in push_nodes_for_insert()
2134 		left_nr = btrfs_header_nritems(left);  in push_nodes_for_insert()
2138 			ret = btrfs_cow_block(trans, root, left, parent,  in push_nodes_for_insert()
2139 					      pslot - 1, &left);  in push_nodes_for_insert()
2144 						      left, mid, 0);  in push_nodes_for_insert()
2157 			if (btrfs_header_nritems(left) > orig_slot) {  in push_nodes_for_insert()
2158 				path->nodes[level] = left;  in push_nodes_for_insert()
2165 					btrfs_header_nritems(left);  in push_nodes_for_insert()
2167 				btrfs_tree_unlock(left);  in push_nodes_for_insert()
2168 				free_extent_buffer(left);  in push_nodes_for_insert()
2172 		btrfs_tree_unlock(left);  in push_nodes_for_insert()
2173 		free_extent_buffer(left);  in push_nodes_for_insert()
3594 	struct extent_buffer *left = path->nodes[0];  in __push_leaf_right()  local
3627 				int space = btrfs_leaf_free_space(root, left);  in __push_leaf_right()
3636 		this_item_size = btrfs_item_size(left, item);  in __push_leaf_right()
3655 	push_space = btrfs_item_end_nr(left, left_nritems - push_items);  in __push_leaf_right()
3656 	push_space -= leaf_data_end(root, left);  in __push_leaf_right()
3666 	copy_extent_buffer(right, left, btrfs_leaf_data(right) +  in __push_leaf_right()
3668 		     btrfs_leaf_data(left) + leaf_data_end(root, left),  in __push_leaf_right()
3676 	copy_extent_buffer(right, left, btrfs_item_nr_offset(0),  in __push_leaf_right()
3691 	btrfs_set_header_nritems(left, left_nritems);  in __push_leaf_right()
3694 		btrfs_mark_buffer_dirty(left);  in __push_leaf_right()
3696 		clean_tree_block(trans, root->fs_info, left);  in __push_leaf_right()
3740 	struct extent_buffer *left = path->nodes[0];  in push_leaf_right()  local
3779 	left_nritems = btrfs_header_nritems(left);  in push_leaf_right()
3788 		btrfs_tree_unlock(left);  in push_leaf_right()
3789 		free_extent_buffer(left);  in push_leaf_right()
3815 				     int empty, struct extent_buffer *left,  in __push_leaf_left()  argument
3870 	copy_extent_buffer(left, right,  in __push_leaf_left()
3871 			   btrfs_item_nr_offset(btrfs_header_nritems(left)),  in __push_leaf_left()
3878 	copy_extent_buffer(left, right, btrfs_leaf_data(left) +  in __push_leaf_left()
3879 		     leaf_data_end(root, left) - push_space,  in __push_leaf_left()
3883 	old_left_nritems = btrfs_header_nritems(left);  in __push_leaf_left()
3886 	old_left_item_size = btrfs_item_offset_nr(left, old_left_nritems - 1);  in __push_leaf_left()
3892 		ioff = btrfs_token_item_offset(left, item, &token);  in __push_leaf_left()
3893 		btrfs_set_token_item_offset(left, item,  in __push_leaf_left()
3897 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3928 	btrfs_mark_buffer_dirty(left);  in __push_leaf_left()
3942 		path->nodes[0] = left;  in __push_leaf_left()
3945 		btrfs_tree_unlock(left);  in __push_leaf_left()
3946 		free_extent_buffer(left);  in __push_leaf_left()
3952 	btrfs_tree_unlock(left);  in __push_leaf_left()
3953 	free_extent_buffer(left);  in __push_leaf_left()
3970 	struct extent_buffer *left;  in push_leaf_left()  local
3988 	left = read_node_slot(root, path->nodes[1], slot - 1);  in push_leaf_left()
3989 	if (left == NULL)  in push_leaf_left()
3992 	btrfs_tree_lock(left);  in push_leaf_left()
3993 	btrfs_set_lock_blocking(left);  in push_leaf_left()
3995 	free_space = btrfs_leaf_free_space(root, left);  in push_leaf_left()
4002 	ret = btrfs_cow_block(trans, root, left,  in push_leaf_left()
4003 			      path->nodes[1], slot - 1, &left);  in push_leaf_left()
4011 	free_space = btrfs_leaf_free_space(root, left);  in push_leaf_left()
4018 			       empty, left, free_space, right_nritems,  in push_leaf_left()
4021 	btrfs_tree_unlock(left);  in push_leaf_left()
4022 	free_extent_buffer(left);  in push_leaf_left()