2711 	int push_items = 0;  in push_node_left()  local
2718 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in push_node_left()
2725 	if (push_items <= 0)  in push_node_left()
2729 		push_items = min(src_nritems, push_items);  in push_node_left()
2730 		if (push_items < src_nritems) {  in push_node_left()
2734 			if (src_nritems - push_items < 8) {  in push_node_left()
2735 				if (push_items <= 8)  in push_node_left()
2737 				push_items -= 8;  in push_node_left()
2741 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
2749 	ret = btrfs_tree_mod_log_eb_copy(dst, src, dst_nritems, 0, push_items);  in push_node_left()
2757 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
2759 	if (push_items < src_nritems) {  in push_node_left()
2765 				      btrfs_node_key_ptr_offset(src, push_items),  in push_node_left()
2766 				      (src_nritems - push_items) *  in push_node_left()
2769 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
2770 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
2791 	int push_items = 0;  in balance_node_right()  local
2802 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in balance_node_right()
2803 	if (push_items <= 0)  in balance_node_right()
2814 	if (max_push < push_items)  in balance_node_right()
2815 		push_items = max_push;  in balance_node_right()
2828 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(dst, push_items),  in balance_node_right()
2833 	ret = btrfs_tree_mod_log_eb_copy(dst, src, 0, src_nritems - push_items,  in balance_node_right()
2834 					 push_items);  in balance_node_right()
2841 			   btrfs_node_key_ptr_offset(src, src_nritems - push_items),  in balance_node_right()
2842 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
2844 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
2845 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
3136 	int push_items = 0;  in __push_leaf_right()  local
3153 		if (!empty && push_items > 0) {  in __push_leaf_right()
3172 		push_items++;  in __push_leaf_right()
3179 	if (push_items == 0)  in __push_leaf_right()
3182 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
3187 	push_space = btrfs_item_data_end(left, left_nritems - push_items);  in __push_leaf_right()
3199 	memmove_leaf_items(right, push_items, 0, right_nritems);  in __push_leaf_right()
3202 	copy_leaf_items(right, left, 0, left_nritems - push_items, push_items);  in __push_leaf_right()
3206 	right_nritems += push_items;  in __push_leaf_right()
3214 	left_nritems -= push_items;  in __push_leaf_right()
3348 	int push_items = 0;  in __push_leaf_left()  local
3362 		if (!empty && push_items > 0) {  in __push_leaf_left()
3381 		push_items++;  in __push_leaf_left()
3385 	if (push_items == 0) {  in __push_leaf_left()
3389 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3392 	copy_leaf_items(left, right, btrfs_header_nritems(left), 0, push_items);  in __push_leaf_left()
3395 		     btrfs_item_offset(right, push_items - 1);  in __push_leaf_left()
3398 		       btrfs_item_offset(right, push_items - 1), push_space);  in __push_leaf_left()
3404 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3411 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3414 	if (push_items > right_nritems)  in __push_leaf_left()
3415 		WARN(1, KERN_CRIT "push items %d nr %u\n", push_items,  in __push_leaf_left()
3418 	if (push_items < right_nritems) {  in __push_leaf_left()
3419 		push_space = btrfs_item_offset(right, push_items - 1) -  in __push_leaf_left()
3425 		memmove_leaf_items(right, 0, push_items,  in __push_leaf_left()
3426 				   btrfs_header_nritems(right) - push_items);  in __push_leaf_left()
3430 	right_nritems -= push_items;  in __push_leaf_left()
3448 	if (path->slots[0] < push_items) {  in __push_leaf_left()
3457 		path->slots[0] -= push_items;  in __push_leaf_left()