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-rw-r--r--os/os-linux.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/os/os-linux.h b/os/os-linux.h
index 7162dfa2..01140e0d 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -33,6 +33,7 @@
#define FIO_HAVE_PSHARED_MUTEX
#define FIO_HAVE_CL_SIZE
#define FIO_HAVE_CGROUPS
+#define FIO_HAVE_FDATASYNC
#define OS_MAP_ANON MAP_ANONYMOUS