* If we have a mixed random workload, we may
* encounter blocks we already did IO to.
*/
- if (!td->o.ddir_nr == 1 && !random_map_free(td, f, block))
+ if ((td->o.ddir_nr == 1) && !random_map_free(td, f, block))
break;
idx = RAND_MAP_IDX(td, f, block);