{
struct thread_data *td = cb_data_to_td(data);
- if (read_only && td_write(td)) {
- log_err("fio: job <%s> has write bit set, but fio is in"
- " read-only mode\n", td->o.name);
+ if (read_only && (td_write(td) || td_trim(td))) {
+ log_err("fio: job <%s> has write or trim bit set, but"
+ " fio is in read-only mode\n", td->o.name);
return 1;
}