1 files changed, 25 insertions, 0 deletions
diff --git a/src/librbd/journal/Policy.h b/src/librbd/journal/Policy.h
new file mode 100644
index 00000000..1ced3c53
--- /dev/null
+++ b/src/librbd/journal/Policy.h
@@ -0,0 +1,25 @@
+// -*- 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