+#define fio_swap16(x) bswap16(x)
+#define fio_swap32(x) bswap32(x)
+#define fio_swap64(x) bswap64(x)
+
+typedef cpuset_t os_cpu_mask_t;
+
+#define fio_cpu_clear(mask, cpu) (void) CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu) (void) CPU_SET((cpu), (mask))
+#define fio_cpu_isset(mask, cpu) (CPU_ISSET((cpu), (mask)) != 0)
+#define fio_cpu_count(mask) CPU_COUNT((mask))
+
+#ifdef CONFIG_PTHREAD_GETAFFINITY
+#define FIO_HAVE_GET_THREAD_AFFINITY
+#define fio_get_thread_affinity(mask) \
+ pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
+#endif
+
+static inline int fio_cpuset_init(os_cpu_mask_t *mask)
+{
+ CPU_ZERO(mask);
+ return 0;
+}
+
+static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
+{
+ return 0;
+}
+
+static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
+{
+ return cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, pid, sizeof(cpumask), &cpumask);
+}
+
+static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
+{
+ return cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, pid, sizeof(cpumask), cpumask);
+}
+
+#define FIO_MAX_CPUS CPU_SETSIZE
+
+static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
+{
+ off_t size;
+
+ if (!ioctl(f->fd, DIOCGMEDIASIZE, &size)) {
+ *bytes = size;
+ return 0;
+ }
+
+ *bytes = 0;
+ return errno;
+}
+
+static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
+{
+ return blockdev_size(f, bytes);
+}
+
+static inline int blockdev_invalidate_cache(struct fio_file *f)