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-rw-r--r--src/os/FileJournal.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/os/FileJournal.cc b/src/os/FileJournal.cc
index c58181fbb8b..f43351c21f0 100644
--- a/src/os/FileJournal.cc
+++ b/src/os/FileJournal.cc
@@ -33,6 +33,9 @@
#include "common/blkdev.h"
+#ifndef O_DSYNC
+# define O_DSYNC 0
+#endif
#define dout_subsys ceph_subsys_journal
#undef dout_prefix