#define fio_unused __attribute((__unused__))
#define for_each_file(td, f, i) \
- for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->nr_files; (i)++, (f) = &(td)->files[(i)])
+ for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f) = &(td)->files[(i)])
#endif