initial code repo

[stor4nfv.git] / src / ceph / src / librbd / journal / StandardPolicy.h

diff --git a/src/ceph/src/librbd/journal/StandardPolicy.h b/src/ceph/src/librbd/journal/StandardPolicy.h
new file mode 100644 (file)
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+++ b/src/ceph/src/librbd/journal/StandardPolicy.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_JOURNAL_STANDARD_POLICY_H
+#define CEPH_LIBRBD_JOURNAL_STANDARD_POLICY_H
+
+#include "librbd/journal/Policy.h"
+
+namespace librbd {
+
+struct ImageCtx;
+
+namespace journal {
+
+template<typename ImageCtxT = ImageCtx>
+class StandardPolicy : public Policy {
+public:
+  StandardPolicy(ImageCtxT *image_ctx) : m_image_ctx(image_ctx) {
+  }
+
+  bool append_disabled() const override {
+    return false;
+  }
+  bool journal_disabled() const override {
+    return false;
+  }
+  void allocate_tag_on_lock(Context *on_finish) override;
+
+private:
+  ImageCtxT *m_image_ctx;
+};
+
+} // namespace journal
+} // namespace librbd
+
+extern template class librbd::journal::StandardPolicy<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_JOURNAL_STANDARD_POLICY_H