#define FIO_HAVE_SPLICE
#define FIO_HAVE_IOSCHED_SWITCH
#define FIO_HAVE_ODIRECT
+#define FIO_HAVE_HUGETLB
+
+/*
+ * Only for x86 currently
+ */
+#if defined(__i386__)
+#define FIO_HAVE_SYSLET
+#endif
#define OS_MAP_ANON (MAP_ANONYMOUS)
#define SPLICE_DEF_SIZE (64*1024)
+#ifdef FIO_HAVE_SYSLET
+
+struct syslet_uatom;
+struct async_head_user;
+
+/*
+ * syslet stuff
+ */
+static inline struct syslet_uatom *
+async_exec(struct syslet_uatom *atom, struct async_head_user *ahu)
+{
+ return (void *) syscall(__NR_async_exec, atom, ahu);
+}
+
+static inline long
+async_wait(unsigned long min_wait_events, unsigned long user_ring_idx,
+ struct async_head_user *ahu)
+{
+ return syscall(__NR_async_wait, min_wait_events,
+ user_ring_idx, ahu);
+}
+
+static inline long async_thread(void)
+{
+ return syscall(__NR_async_thread);
+}
+
+static inline long umem_add(unsigned long *uptr, unsigned long inc)
+{
+ return syscall(__NR_umem_add, uptr, inc);
+}
+#endif /* FIO_HAVE_SYSLET */
+
enum {
IOPRIO_WHO_PROCESS = 1,
IOPRIO_WHO_PGRP,
#define BLKGETSIZE64 _IOR(0x12,114,size_t)
#endif
+#ifndef BLKFLSBUF
+#define BLKFLSBUF _IO(0x12,97)
+#endif
+
+static inline int blockdev_invalidate_cache(int fd)
+{
+ if (!ioctl(fd, BLKFLSBUF))
+ return 0;
+
+ return errno;
+}
+
static inline int blockdev_size(int fd, unsigned long long *bytes)
{
if (!ioctl(fd, BLKGETSIZE64, bytes))