2824 	int push_items = 0;  in push_node_left()  local
2831 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in push_node_left()
2838 	if (push_items <= 0)  in push_node_left()
2842 		push_items = min(src_nritems, push_items);  in push_node_left()
2843 		if (push_items < src_nritems) {  in push_node_left()
2847 			if (src_nritems - push_items < 8) {  in push_node_left()
2848 				if (push_items <= 8)  in push_node_left()
2850 				push_items -= 8;  in push_node_left()
2854 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
2862 	ret = btrfs_tree_mod_log_eb_copy(dst, src, dst_nritems, 0, push_items);  in push_node_left()
2870 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
2872 	if (push_items < src_nritems) {  in push_node_left()
2878 				      btrfs_node_key_ptr_offset(src, push_items),  in push_node_left()
2879 				      (src_nritems - push_items) *  in push_node_left()
2882 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
2883 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
2904 	int push_items = 0;  in balance_node_right()  local
2915 	push_items = BTRFS_NODEPTRS_PER_BLOCK(fs_info) - dst_nritems;  in balance_node_right()
2916 	if (push_items <= 0)  in balance_node_right()
2927 	if (max_push < push_items)  in balance_node_right()
2928 		push_items = max_push;  in balance_node_right()
2941 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(dst, push_items),  in balance_node_right()
2946 	ret = btrfs_tree_mod_log_eb_copy(dst, src, 0, src_nritems - push_items,  in balance_node_right()
2947 					 push_items);  in balance_node_right()
2954 			   btrfs_node_key_ptr_offset(src, src_nritems - push_items),  in balance_node_right()
2955 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
2957 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
2958 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
3246 	int push_items = 0;  in __push_leaf_right()  local
3263 		if (!empty && push_items > 0) {  in __push_leaf_right()
3282 		push_items++;  in __push_leaf_right()
3289 	if (push_items == 0)  in __push_leaf_right()
3292 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
3297 	push_space = btrfs_item_data_end(left, left_nritems - push_items);  in __push_leaf_right()
3309 	memmove_leaf_items(right, push_items, 0, right_nritems);  in __push_leaf_right()
3312 	copy_leaf_items(right, left, 0, left_nritems - push_items, push_items);  in __push_leaf_right()
3316 	right_nritems += push_items;  in __push_leaf_right()
3324 	left_nritems -= push_items;  in __push_leaf_right()
3458 	int push_items = 0;  in __push_leaf_left()  local
3472 		if (!empty && push_items > 0) {  in __push_leaf_left()
3491 		push_items++;  in __push_leaf_left()
3495 	if (push_items == 0) {  in __push_leaf_left()
3499 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3502 	copy_leaf_items(left, right, btrfs_header_nritems(left), 0, push_items);  in __push_leaf_left()
3505 		     btrfs_item_offset(right, push_items - 1);  in __push_leaf_left()
3508 		       btrfs_item_offset(right, push_items - 1), push_space);  in __push_leaf_left()
3514 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3521 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3524 	if (push_items > right_nritems)  in __push_leaf_left()
3525 		WARN(1, KERN_CRIT "push items %d nr %u\n", push_items,  in __push_leaf_left()
3528 	if (push_items < right_nritems) {  in __push_leaf_left()
3529 		push_space = btrfs_item_offset(right, push_items - 1) -  in __push_leaf_left()
3535 		memmove_leaf_items(right, 0, push_items,  in __push_leaf_left()
3536 				   btrfs_header_nritems(right) - push_items);  in __push_leaf_left()
3540 	right_nritems -= push_items;  in __push_leaf_left()
3558 	if (path->slots[0] < push_items) {  in __push_leaf_left()
3567 		path->slots[0] -= push_items;  in __push_leaf_left()