diff --git a/src/aiori-CEPHFS.c b/src/aiori-CEPHFS.c
index d5c6154..2c8d34b 100755
--- a/src/aiori-CEPHFS.c
+++ b/src/aiori-CEPHFS.c
@@ -76,6 +76,7 @@ static int CEPHFS_MkDir(const char *, mode_t, IOR_param_t *);
 static int CEPHFS_RmDir(const char *, IOR_param_t *);
 static int CEPHFS_Access(const char *, int, IOR_param_t *);
 static int CEPHFS_Stat(const char *, struct stat *, IOR_param_t *);
+static void CEPHFS_Sync(IOR_param_t *);
 static option_help * CEPHFS_options();
 
 /************************** D E C L A R A T I O N S ***************************/
@@ -97,6 +98,7 @@ ior_aiori_t cephfs_aiori = {
         .rmdir = CEPHFS_RmDir,
         .access = CEPHFS_Access,
         .stat = CEPHFS_Stat,
+        .sync = CEPHFS_Sync,
         .get_options = CEPHFS_options,
 };
 
@@ -359,3 +361,12 @@ static int CEPHFS_Stat(const char *testFileName, struct stat *buf, IOR_param_t *
 {
         return ceph_stat(cmount, pfix(testFileName), buf);
 }
+
+static void CEPHFS_Sync(IOR_param_t *param)
+{
+        int ret = ceph_sync_fs(cmount);
+        if (ret < 0) {
+                CEPHFS_ERR("ceph_sync_fs failed", ret);
+        }
+
+}