allow vold efs_file:dir rw_dir_perms;
allow vold efs_file:file create;
allow vold persist_data_file:dir { open read };

allow vold hal_bootctl_hwservice:hwservice_manager find;

allow vold {
    block_device
    cache_block_device
    efs_block_device
    system_block_device
}:blk_file getattr;