diff --git a/common/reflink b/common/reflink
index 9d51729b..64ee04f6 100644
--- a/common/reflink
+++ b/common/reflink
@@ -28,6 +28,15 @@ _require_cp_reflink()
                _notrun "This test requires a cp with --reflink support."
 }
 
+# Can we reflink between arbitrary file sets?
+# i.e. if we reflink a->b and c->d, can we later share
+# blocks between b & c?
+_require_arbitrary_fileset_reflink()
+{
+	test "$FSTYP" = "ocfs2" && \
+		_notrun "reflink between arbitrary file groups not supported in $FSTYP"
+}
+
 # Given 2 files, verify that they have the same mapping but different
 # inodes - i.e. an undisturbed reflink
 # Silent if so, make noise if not
diff --git a/tests/generic/119 b/tests/generic/119
index e6a6f596..b28e044a 100755
--- a/tests/generic/119
+++ b/tests/generic/119
@@ -47,6 +47,7 @@ _cleanup()
 # real QA test starts here
 _supported_os Linux
 _require_test_reflink
+_require_arbitrary_fileset_reflink
 
 rm -f $seqres.full