1 files changed, 43 insertions, 0 deletions
diff --git a/src/cls/cas/cls_cas_client.h b/src/cls/cas/cls_cas_client.h
new file mode 100644
index 000000000..0abbf045b
--- /dev/null
+++ b/src/cls/cas/cls_cas_client.h
@@ -0,0 +1,43 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_CLS_CAS_CLIENT_H
+#define CEPH_CLS_CAS_CLIENT_H
+
+#include "include/types.h"
+#include "include/rados/librados_fwd.hpp"
+#include "common/hobject.h"
+
+//
+// basic methods
+//
+
+/// create a chunk, or get additional reference if it already exists
+void cls_cas_chunk_create_or_get_ref(
+  librados::ObjectWriteOperation& op,
+  const hobject_t& soid,
+  const bufferlist& data,
+  bool verify=false);
+
+/// get ref on existing chunk
+void cls_cas_chunk_get_ref(
+  librados::ObjectWriteOperation& op,
+  const hobject_t& soid);
+
+/// drop reference on existing chunk
+void cls_cas_chunk_put_ref(
+  librados::ObjectWriteOperation& op,
+  const hobject_t& soid);
+
+
+//
+// advanced (used for scrub, repair, etc.)
+//
+
+/// check if a tiered rados object links to a chunk
+int cls_cas_references_chunk(
+  librados::IoCtx& io_ctx,
+  const std::string& oid,
+  const std::string& chunk_oid);
+
+#endif