source: mainline/contrib/arch/uspace/lib/libfs/fnc.libfs_mount@ cfd04c4

(
        ?ipc_m_connection_clone ;
        ?ipc_m_data_write /* mount options */ {
                alternative (fs; tmpfs_nested; fat_nested; devfs_nested) {
                        !fs.ipc_m_connect_to_me ;
                        !fs.mounted {
                                !fs.ipc_m_data_write /* forward */
                        }
                }
        }
)