2709 	int push_items = 0;  in push_node_left()  local
2716 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in push_node_left()
2723 	if (push_items <= 0)  in push_node_left()
2727 		push_items = min(src_nritems, push_items);  in push_node_left()
2728 		if (push_items < src_nritems) {  in push_node_left()
2732 			if (src_nritems - push_items < 8) {  in push_node_left()
2733 				if (push_items <= 8)  in push_node_left()
2735 				push_items -= 8;  in push_node_left()
2739 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
2747 	ret = btrfs_tree_mod_log_eb_copy(dst, src, dst_nritems, 0, push_items);  in push_node_left()
2755 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
2757 	if (push_items < src_nritems) {  in push_node_left()
2763 				      btrfs_node_key_ptr_offset(src, push_items),  in push_node_left()
2764 				      (src_nritems - push_items) *  in push_node_left()
2767 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
2768 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
2789 	int push_items = 0;  in balance_node_right()  local
2800 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in balance_node_right()
2801 	if (push_items <= 0)  in balance_node_right()
2812 	if (max_push < push_items)  in balance_node_right()
2813 		push_items = max_push;  in balance_node_right()
2826 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(dst, push_items),  in balance_node_right()
2831 	ret = btrfs_tree_mod_log_eb_copy(dst, src, 0, src_nritems - push_items,  in balance_node_right()
2832 					 push_items);  in balance_node_right()
2839 			   btrfs_node_key_ptr_offset(src, src_nritems - push_items),  in balance_node_right()
2840 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
2842 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
2843 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
3134 	int push_items = 0;  in __push_leaf_right()  local
3151 		if (!empty && push_items > 0) {  in __push_leaf_right()
3170 		push_items++;  in __push_leaf_right()
3177 	if (push_items == 0)  in __push_leaf_right()
3180 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
3185 	push_space = btrfs_item_data_end(left, left_nritems - push_items);  in __push_leaf_right()
3197 	memmove_leaf_items(right, push_items, 0, right_nritems);  in __push_leaf_right()
3200 	copy_leaf_items(right, left, 0, left_nritems - push_items, push_items);  in __push_leaf_right()
3203 	right_nritems += push_items;  in __push_leaf_right()
3211 	left_nritems -= push_items;  in __push_leaf_right()
3343 	int push_items = 0;  in __push_leaf_left()  local
3356 		if (!empty && push_items > 0) {  in __push_leaf_left()
3375 		push_items++;  in __push_leaf_left()
3379 	if (push_items == 0) {  in __push_leaf_left()
3383 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3386 	copy_leaf_items(left, right, btrfs_header_nritems(left), 0, push_items);  in __push_leaf_left()
3389 		     btrfs_item_offset(right, push_items - 1);  in __push_leaf_left()
3392 		       btrfs_item_offset(right, push_items - 1), push_space);  in __push_leaf_left()
3397 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3404 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3407 	if (unlikely(push_items > right_nritems)) {  in __push_leaf_left()
3411 			   push_items, right_nritems);  in __push_leaf_left()
3415 	if (push_items < right_nritems) {  in __push_leaf_left()
3416 		push_space = btrfs_item_offset(right, push_items - 1) -  in __push_leaf_left()
3422 		memmove_leaf_items(right, 0, push_items,  in __push_leaf_left()
3423 				   btrfs_header_nritems(right) - push_items);  in __push_leaf_left()
3426 	right_nritems -= push_items;  in __push_leaf_left()
3444 	if (path->slots[0] < push_items) {  in __push_leaf_left()
3453 		path->slots[0] -= push_items;  in __push_leaf_left()