+ {
+ .name = "header_interval",
+ .type = FIO_OPT_STR_VAL_INT,
+ .off1 = td_var_offset(header_interval),
+ .minval = 2 * sizeof(struct verify_header),
+ .help = "Store buffer header every N bytes",
+ },
+ {
+ .name = "header_offset",
+ .type = FIO_OPT_STR_VAL_INT,
+ .help = "Offset header location by N bytes",
+ .def = "0",
+ .cb = str_header_offset_cb,
+ },