ceph/src/librbd/journal/StandardPolicy.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_LIBRBD_JOURNAL_STANDARD_POLICY_H
   5 #define CEPH_LIBRBD_JOURNAL_STANDARD_POLICY_H
   6
   7 #include "librbd/journal/Policy.h"
   8
   9 namespace librbd {
  10
  11 struct ImageCtx;
  12
  13 namespace journal {
  14
  15 template<typename ImageCtxT = ImageCtx>
  16 class StandardPolicy : public Policy {
  17 public:
  18   StandardPolicy(ImageCtxT *image_ctx) : m_image_ctx(image_ctx) {
  19   }
  20
  21   bool append_disabled() const override {
  22     return false;
  23   }
  24   bool journal_disabled() const override {
  25     return false;
  26   }
  27   void allocate_tag_on_lock(Context *on_finish) override;
  28
  29 private:
  30   ImageCtxT *m_image_ctx;
  31 };
  32
  33 } // namespace journal
  34 } // namespace librbd
  35
  36 extern template class librbd::journal::StandardPolicy<librbd::ImageCtx>;
  37
  38 #endif // CEPH_LIBRBD_JOURNAL_STANDARD_POLICY_H