--- zzzz-none-000/linux-3.10.107/fs/btrfs/inode-map.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/btrfs/inode-map.h	2021-02-04 17:41:59.000000000 +0000
@@ -9,5 +9,6 @@
 			 struct btrfs_trans_handle *trans);
 
 int btrfs_find_free_objectid(struct btrfs_root *root, u64 *objectid);
+int btrfs_find_highest_objectid(struct btrfs_root *root, u64 *objectid);
 
 #endif