152 /* * Used with the CIOCNFKEYM ioctl. * * This structure allows the OCF to return a request id * for each of the kop operations specified in the CIOCNFKEYM call. * * The crk_opaque pointer can be arbitrarily set by the user * and it is passed back in the crypt_result structure * when the request completes. This field can be used for example * to track context for the request and avoid lookups in the * user application. */