List syslet-rw as a supported option in the ioengine help dump

[fio.git] / os.h

diff --git a/os.h b/os.h
index 1160f44c435c967625c152829f889b5bcbd5951d..da80fbd4f7207e66a0cbb9821bdfabcf389f6ebf 100644 (file)
--- a/os.h
+++ b/os.h
@@ -42,15 +42,22 @@
 #endif
 
 #ifndef FIO_HAVE_ODIRECT
-#define OS_O_DIRECT                    (0)
+#define OS_O_DIRECT                    0
+#else
+#define OS_O_DIRECT                    O_DIRECT
+#endif
+
+#ifndef FIO_HAVE_HUGETLB
+#define SHM_HUGETLB                    0
+#define FIO_HUGE_PAGE                  0
+#else
+#define FIO_HUGE_PAGE                  (4096 * 1024)
 #endif
 
-struct thread_data;
-extern int fio_libaio_init(struct thread_data *);
-extern int fio_posixaio_init(struct thread_data *);
-extern int fio_syncio_init(struct thread_data *);
-extern int fio_mmapio_init(struct thread_data *);
-extern int fio_sgio_init(struct thread_data *);
-extern int fio_spliceio_init(struct thread_data *);
+#if __GNUC__ < 3
+#define __must_check
+#else
+#define __must_check                   __attribute__((warn_unused_result))
+#endif
 
 #endif