Add comment on why fallocate is disabled on AIX

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

diff --git a/os/os-aix.h b/os/os-aix.h
index 96d909766de08c2a85d67e6cba1cc3fc21887a31..09a0530fae1464ac4701c5873b82775960f700c6 100644 (file)
--- a/os/os-aix.h
+++ b/os/os-aix.h
@@ -10,6 +10,13 @@
 #define FIO_HAVE_ODIRECT
 #define FIO_USE_GENERIC_RAND
 
 #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 FIO_HAVE_PSHARED_MUTEX
 
 #define OS_MAP_ANON            MAP_ANON