Function dochy::fs::filesys::force_update_and_get_info_us

pub unsafe fn force_update_and_get_info_us<P>(
    save_dir: P, 
    current_src: CurrentSrc
) -> Result<SaveDirInfo, FsError> where
    P: AsRef<Path>, 

Updates current_src cache corresponding to save_dir. All the copies of old info are going to be incorrect. If save_async in the save_dir is not finished, calling this results undefined behavior.