--- IO-AIO/configure	2011/07/07 22:36:18	1.10
+++ IO-AIO/configure	2011/07/07 22:37:11	1.11
@@ -3513,7 +3513,7 @@
 int main (void)
 {
    int fd = 0;
-   int mode = FALLOC_FL_KEEP_SIZE;
+   int mode = 0;
    off_t offset = 1;
    off_t len = 1;
    int res;