+#ifdef CONFIG_SCHED_IDLE
+static inline int fio_set_sched_idle(void)
+{
+ struct sched_param p = { .sched_priority = 0, };
+ return sched_setscheduler(gettid(), SCHED_IDLE, &p);
+}
+#endif
+
+#ifndef POSIX_FADV_STREAMID
+#define POSIX_FADV_STREAMID 8
+#endif
+
+#define FIO_HAVE_STREAMID
+
+#ifndef RWF_HIPRI
+#define RWF_HIPRI 0x00000001
+#endif
+#ifndef RWF_DSYNC
+#define RWF_DSYNC 0x00000002
+#endif
+#ifndef RWF_SYNC
+#define RWF_SYNC 0x00000004
+#endif
+
+#ifndef CONFIG_PWRITEV2
+#ifdef __NR_preadv2
+static inline void make_pos_h_l(unsigned long *pos_h, unsigned long *pos_l,
+ off_t offset)
+{
+#if BITS_PER_LONG == 64
+ *pos_l = offset;
+ *pos_h = 0;
+#else
+ *pos_l = offset & 0xffffffff;
+ *pos_h = ((uint64_t) offset) >> 32;
+#endif
+}
+static inline ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt,
+ off_t offset, unsigned int flags)
+{
+ unsigned long pos_l, pos_h;
+
+ make_pos_h_l(&pos_h, &pos_l, offset);
+ return syscall(__NR_preadv2, fd, iov, iovcnt, pos_l, pos_h, flags);
+}
+static inline ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt,
+ off_t offset, unsigned int flags)
+{
+ unsigned long pos_l, pos_h;
+
+ make_pos_h_l(&pos_h, &pos_l, offset);
+ return syscall(__NR_pwritev2, fd, iov, iovcnt, pos_l, pos_h, flags);
+}
+#else
+static inline ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt,
+ off_t offset, unsigned int flags)
+{
+ errno = ENOSYS;
+ return -1;
+}
+static inline ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt,
+ off_t offset, unsigned int flags)
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif /* __NR_preadv2 */
+#endif /* CONFIG_PWRITEV2 */
+
+static inline int shm_attach_to_open_removed(void)
+{
+ return 1;
+}
+