3255 	int push_items = 0;  in push_node_left()  local
3262 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in push_node_left()
3269 	if (push_items <= 0)  in push_node_left()
3273 		push_items = min(src_nritems, push_items);  in push_node_left()
3274 		if (push_items < src_nritems) {  in push_node_left()
3278 			if (src_nritems - push_items < 8) {  in push_node_left()
3279 				if (push_items <= 8)  in push_node_left()
3281 				push_items -= 8;  in push_node_left()
3285 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
3287 	ret = tree_mod_log_eb_copy(dst, src, dst_nritems, 0, push_items);  in push_node_left()
3295 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
3297 	if (push_items < src_nritems) {  in push_node_left()
3303 				      btrfs_node_key_ptr_offset(push_items),  in push_node_left()
3304 				      (src_nritems - push_items) *  in push_node_left()
3307 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
3308 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
3329 	int push_items = 0;  in balance_node_right()  local
3340 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in balance_node_right()
3341 	if (push_items <= 0)  in balance_node_right()
3352 	if (max_push < push_items)  in balance_node_right()
3353 		push_items = max_push;  in balance_node_right()
3355 	ret = tree_mod_log_insert_move(dst, push_items, 0, dst_nritems);  in balance_node_right()
3357 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(push_items),  in balance_node_right()
3362 	ret = tree_mod_log_eb_copy(dst, src, 0, src_nritems - push_items,  in balance_node_right()
3363 				   push_items);  in balance_node_right()
3370 			   btrfs_node_key_ptr_offset(src_nritems - push_items),  in balance_node_right()
3371 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
3373 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
3374 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
3647 	int push_items = 0;  in __push_leaf_right()  local
3667 		if (!empty && push_items > 0) {  in __push_leaf_right()
3685 		push_items++;  in __push_leaf_right()
3692 	if (push_items == 0)  in __push_leaf_right()
3695 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
3700 	push_space = btrfs_item_end_nr(left, left_nritems - push_items);  in __push_leaf_right()
3716 	memmove_extent_buffer(right, btrfs_item_nr_offset(push_items),  in __push_leaf_right()
3722 		   btrfs_item_nr_offset(left_nritems - push_items),  in __push_leaf_right()
3723 		   push_items * sizeof(struct btrfs_item));  in __push_leaf_right()
3727 	right_nritems += push_items;  in __push_leaf_right()
3736 	left_nritems -= push_items;  in __push_leaf_right()
3872 	int push_items = 0;  in __push_leaf_left()  local
3889 		if (!empty && push_items > 0) {  in __push_leaf_left()
3907 		push_items++;  in __push_leaf_left()
3911 	if (push_items == 0) {  in __push_leaf_left()
3915 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3921 			   push_items * sizeof(struct btrfs_item));  in __push_leaf_left()
3924 		     btrfs_item_offset_nr(right, push_items - 1);  in __push_leaf_left()
3929 		     btrfs_item_offset_nr(right, push_items - 1),  in __push_leaf_left()
3936 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3946 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3949 	if (push_items > right_nritems)  in __push_leaf_left()
3950 		WARN(1, KERN_CRIT "push items %d nr %u\n", push_items,  in __push_leaf_left()
3953 	if (push_items < right_nritems) {  in __push_leaf_left()
3954 		push_space = btrfs_item_offset_nr(right, push_items - 1) -  in __push_leaf_left()
3962 			      btrfs_item_nr_offset(push_items),  in __push_leaf_left()
3963 			     (btrfs_header_nritems(right) - push_items) *  in __push_leaf_left()
3968 	right_nritems -= push_items;  in __push_leaf_left()
3989 	if (path->slots[0] < push_items) {  in __push_leaf_left()
3998 		path->slots[0] -= push_items;  in __push_leaf_left()