3284 	int push_items = 0;  in push_node_left()  local
3291 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in push_node_left()
3298 	if (push_items <= 0)  in push_node_left()
3302 		push_items = min(src_nritems, push_items);  in push_node_left()
3303 		if (push_items < src_nritems) {  in push_node_left()
3307 			if (src_nritems - push_items < 8) {  in push_node_left()
3308 				if (push_items <= 8)  in push_node_left()
3310 				push_items -= 8;  in push_node_left()
3314 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
3322 	ret = tree_mod_log_eb_copy(dst, src, dst_nritems, 0, push_items);  in push_node_left()
3330 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
3332 	if (push_items < src_nritems) {  in push_node_left()
3338 				      btrfs_node_key_ptr_offset(push_items),  in push_node_left()
3339 				      (src_nritems - push_items) *  in push_node_left()
3342 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
3343 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
3364 	int push_items = 0;  in balance_node_right()  local
3375 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in balance_node_right()
3376 	if (push_items <= 0)  in balance_node_right()
3387 	if (max_push < push_items)  in balance_node_right()
3388 		push_items = max_push;  in balance_node_right()
3396 	ret = tree_mod_log_insert_move(dst, push_items, 0, dst_nritems);  in balance_node_right()
3398 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(push_items),  in balance_node_right()
3403 	ret = tree_mod_log_eb_copy(dst, src, 0, src_nritems - push_items,  in balance_node_right()
3404 				   push_items);  in balance_node_right()
3411 			   btrfs_node_key_ptr_offset(src_nritems - push_items),  in balance_node_right()
3412 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
3414 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
3415 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
3687 	int push_items = 0;  in __push_leaf_right()  local
3707 		if (!empty && push_items > 0) {  in __push_leaf_right()
3725 		push_items++;  in __push_leaf_right()
3732 	if (push_items == 0)  in __push_leaf_right()
3735 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
3740 	push_space = btrfs_item_end_nr(left, left_nritems - push_items);  in __push_leaf_right()
3756 	memmove_extent_buffer(right, btrfs_item_nr_offset(push_items),  in __push_leaf_right()
3762 		   btrfs_item_nr_offset(left_nritems - push_items),  in __push_leaf_right()
3763 		   push_items * sizeof(struct btrfs_item));  in __push_leaf_right()
3767 	right_nritems += push_items;  in __push_leaf_right()
3776 	left_nritems -= push_items;  in __push_leaf_right()
3918 	int push_items = 0;  in __push_leaf_left()  local
3935 		if (!empty && push_items > 0) {  in __push_leaf_left()
3953 		push_items++;  in __push_leaf_left()
3957 	if (push_items == 0) {  in __push_leaf_left()
3961 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3967 			   push_items * sizeof(struct btrfs_item));  in __push_leaf_left()
3970 		     btrfs_item_offset_nr(right, push_items - 1);  in __push_leaf_left()
3975 		     btrfs_item_offset_nr(right, push_items - 1),  in __push_leaf_left()
3982 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3991 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3994 	if (push_items > right_nritems)  in __push_leaf_left()
3995 		WARN(1, KERN_CRIT "push items %d nr %u\n", push_items,  in __push_leaf_left()
3998 	if (push_items < right_nritems) {  in __push_leaf_left()
3999 		push_space = btrfs_item_offset_nr(right, push_items - 1) -  in __push_leaf_left()
4007 			      btrfs_item_nr_offset(push_items),  in __push_leaf_left()
4008 			     (btrfs_header_nritems(right) - push_items) *  in __push_leaf_left()
4013 	right_nritems -= push_items;  in __push_leaf_left()
4033 	if (path->slots[0] < push_items) {  in __push_leaf_left()
4042 		path->slots[0] -= push_items;  in __push_leaf_left()