2544 	int push_items = 0;  in push_node_left()  local
2551 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in push_node_left()
2558 	if (push_items <= 0)  in push_node_left()
2562 		push_items = min(src_nritems, push_items);  in push_node_left()
2563 		if (push_items < src_nritems) {  in push_node_left()
2567 			if (src_nritems - push_items < 8) {  in push_node_left()
2568 				if (push_items <= 8)  in push_node_left()
2570 				push_items -= 8;  in push_node_left()
2574 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
2582 	ret = btrfs_tree_mod_log_eb_copy(dst, src, dst_nritems, 0, push_items);  in push_node_left()
2590 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
2592 	if (push_items < src_nritems) {  in push_node_left()
2598 				      btrfs_node_key_ptr_offset(push_items),  in push_node_left()
2599 				      (src_nritems - push_items) *  in push_node_left()
2602 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
2603 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
2624 	int push_items = 0;  in balance_node_right()  local
2635 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in balance_node_right()
2636 	if (push_items <= 0)  in balance_node_right()
2647 	if (max_push < push_items)  in balance_node_right()
2648 		push_items = max_push;  in balance_node_right()
2656 	ret = btrfs_tree_mod_log_insert_move(dst, push_items, 0, dst_nritems);  in balance_node_right()
2658 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(push_items),  in balance_node_right()
2663 	ret = btrfs_tree_mod_log_eb_copy(dst, src, 0, src_nritems - push_items,  in balance_node_right()
2664 					 push_items);  in balance_node_right()
2671 			   btrfs_node_key_ptr_offset(src_nritems - push_items),  in balance_node_right()
2672 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
2674 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
2675 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
2942 	int push_items = 0;  in __push_leaf_right()  local
2959 		if (!empty && push_items > 0) {  in __push_leaf_right()
2978 		push_items++;  in __push_leaf_right()
2985 	if (push_items == 0)  in __push_leaf_right()
2988 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
2993 	push_space = btrfs_item_data_end(left, left_nritems - push_items);  in __push_leaf_right()
3009 	memmove_extent_buffer(right, btrfs_item_nr_offset(push_items),  in __push_leaf_right()
3015 		   btrfs_item_nr_offset(left_nritems - push_items),  in __push_leaf_right()
3016 		   push_items * sizeof(struct btrfs_item));  in __push_leaf_right()
3020 	right_nritems += push_items;  in __push_leaf_right()
3028 	left_nritems -= push_items;  in __push_leaf_right()
3164 	int push_items = 0;  in __push_leaf_left()  local
3178 		if (!empty && push_items > 0) {  in __push_leaf_left()
3197 		push_items++;  in __push_leaf_left()
3201 	if (push_items == 0) {  in __push_leaf_left()
3205 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3211 			   push_items * sizeof(struct btrfs_item));  in __push_leaf_left()
3214 		     btrfs_item_offset(right, push_items - 1);  in __push_leaf_left()
3219 		     btrfs_item_offset(right, push_items - 1),  in __push_leaf_left()
3226 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3233 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3236 	if (push_items > right_nritems)  in __push_leaf_left()
3237 		WARN(1, KERN_CRIT "push items %d nr %u\n", push_items,  in __push_leaf_left()
3240 	if (push_items < right_nritems) {  in __push_leaf_left()
3241 		push_space = btrfs_item_offset(right, push_items - 1) -  in __push_leaf_left()
3249 			      btrfs_item_nr_offset(push_items),  in __push_leaf_left()
3250 			     (btrfs_header_nritems(right) - push_items) *  in __push_leaf_left()
3255 	right_nritems -= push_items;  in __push_leaf_left()
3273 	if (path->slots[0] < push_items) {  in __push_leaf_left()
3282 		path->slots[0] -= push_items;  in __push_leaf_left()