ceph/src/librbd/journal/StandardPolicy.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "librbd/journal/StandardPolicy.h"
   5 #include "common/WorkQueue.h"
   6 #include "librbd/ImageCtx.h"
   7 #include "librbd/Journal.h"
   8
   9 #define dout_subsys ceph_subsys_rbd
  10 #undef dout_prefix
  11 #define dout_prefix *_dout << "librbd::journal::StandardPolicy: "
  12
  13 namespace librbd {
  14 namespace journal {
  15
  16 template<typename I>
  17 void StandardPolicy<I>::allocate_tag_on_lock(Context *on_finish) {
  18   assert(m_image_ctx->journal != nullptr);
  19
  20   if (!m_image_ctx->journal->is_tag_owner()) {
  21     lderr(m_image_ctx->cct) << "local image not promoted" << dendl;
  22     m_image_ctx->op_work_queue->queue(on_finish, -EPERM);
  23     return;
  24   }
  25
  26   m_image_ctx->journal->allocate_local_tag(on_finish);
  27 }
  28
  29 } // namespace journal
  30 } // namespace librbd
  31
  32 template class librbd::journal::StandardPolicy<librbd::ImageCtx>;