Fix compile for older Linux without mmap MAP_HUGETLB

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

diff --git a/os/os-linux.h b/os/os-linux.h
index c0953df4da1c8150db0ee14958481640ba72b877..e9d7cf3e6f6e0cf4af791bab019fc9faf9586e21 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -7,6 +7,7 @@
 #include <sys/uio.h>
 #include <sys/syscall.h>
 #include <sys/vfs.h>
+#include <sys/mman.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
@@ -44,15 +45,28 @@
 #define FIO_HAVE_BINJECT
 #define FIO_HAVE_CLOCK_MONOTONIC
 #define FIO_HAVE_GETTID
+#define FIO_USE_GENERIC_INIT_RANDOM_STATE
+#define FIO_HAVE_E4_ENG
+
+#ifdef MAP_HUGETLB
+#define FIO_HAVE_MMAP_HUGE
+#endif
 
 /*
  * Can only enable this for newer glibcs, or the header and defines are
  * missing
  */
+#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 6
+#define FIO_HAVE_FALLOCATE
+#endif
 #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 8
 #define FIO_HAVE_LINUX_FALLOCATE
 #endif
 
+#ifdef FIO_HAVE_LINUX_FALLOCATE
+#define FIO_HAVE_FALLOC_ENG
+#endif
+
 #ifdef SYNC_FILE_RANGE_WAIT_BEFORE
 #define FIO_HAVE_SYNC_FILE_RANGE
 #endif