ceph/src/librbd/exclusive_lock/AutomaticPolicy.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_EXCLUSIVE_LOCK_AUTOMATIC_POLICY_H
   5 #define CEPH_LIBRBD_EXCLUSIVE_LOCK_AUTOMATIC_POLICY_H
   6
   7 #include "librbd/exclusive_lock/Policy.h"
   8
   9 namespace librbd {
  10
  11 struct ImageCtx;
  12
  13 namespace exclusive_lock {
  14
  15 class AutomaticPolicy : public Policy {
  16 public:
  17   AutomaticPolicy(ImageCtx *image_ctx) : m_image_ctx(image_ctx) {
  18   }
  19
  20   bool may_auto_request_lock() override {
  21     return true;
  22   }
  23
  24   int lock_requested(bool force) override;
  25
  26 private:
  27   ImageCtx *m_image_ctx;
  28
  29 };
  30
  31 } // namespace exclusive_lock
  32 } // namespace librbd
  33
  34 #endif // CEPH_LIBRBD_EXCLUSIVE_LOCK_AUTOMATIC_POLICY_H