posix_fadvise((fd), (off_t)(off), (len), (advice))
#define fio_setaffinity(td) \
posix_fadvise((fd), (off_t)(off), (len), (advice))
#define fio_setaffinity(td) \
#define fio_getaffinity(pid, ptr) \
sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))
#define fio_getaffinity(pid, ptr) \
sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))