1 files changed, 21 insertions, 0 deletions
diff --git a/src/librbd/image/TypeTraits.h b/src/librbd/image/TypeTraits.h
new file mode 100644
index 000000000..2989e30b5
--- /dev/null
+++ b/src/librbd/image/TypeTraits.h
@@ -0,0 +1,21 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_IMAGE_TYPE_TRAITS_H
+#define CEPH_LIBRBD_IMAGE_TYPE_TRAITS_H
+
+namespace librbd {
+
+namespace asio { struct ContextWQ; }
+
+namespace image {
+
+template <typename ImageCtxT>
+struct TypeTraits {
+  typedef asio::ContextWQ ContextWQ;
+};
+
+} // namespace image
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_IMAGE_TYPE_TRAITS_H