Add comment on why fallocate is disabled on AIX

[fio.git] / os / os-aix.h

diff --git a/os/os-aix.h b/os/os-aix.h
index 7a6469781766b36a5d714b9f71a4d964d7f7bd63..09a0530fae1464ac4701c5873b82775960f700c6 100644 (file)
--- a/os/os-aix.h
+++ b/os/os-aix.h
@@ -10,9 +10,17 @@
 #define FIO_HAVE_ODIRECT
 #define FIO_USE_GENERIC_RAND
 
+/*
+ * This is broken on AIX if _LARGE_FILES is defined...
+ */
+#if 0
+#define FIO_HAVE_FALLOCATE
+#endif
+
 #define FIO_HAVE_PSHARED_MUTEX
 
 #define OS_MAP_ANON            MAP_ANON
+#define OS_MSG_DONTWAIT                0
 
 static inline int blockdev_invalidate_cache(int fd)
 {