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-rw-r--r--src/librbd/journal/Policy.h25
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diff --git a/src/librbd/journal/Policy.h b/src/librbd/journal/Policy.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_POLICY_H
+#define CEPH_LIBRBD_JOURNAL_POLICY_H
+
+class Context;
+
+namespace librbd {
+
+namespace journal {
+
+struct Policy {
+ virtual ~Policy() {
+ }
+
+ virtual bool append_disabled() const = 0;
+ virtual bool journal_disabled() const = 0;
+ virtual void allocate_tag_on_lock(Context *on_finish) = 0;
+};
+
+} // namespace journal
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_JOURNAL_POLICY_H