ceph/src/librbd/exclusive_lock/AutomaticPolicy.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/exclusive_lock/AutomaticPolicy.h"
   5 #include "librbd/ImageCtx.h"
   6 #include "librbd/ExclusiveLock.h"
   7
   8 #define dout_subsys ceph_subsys_rbd
   9 #undef dout_prefix
  10 #define dout_prefix *_dout << "librbd::ExclusiveLock::AutomaticPolicy "
  11
  12 namespace librbd {
  13 namespace exclusive_lock {
  14
  15 int AutomaticPolicy::lock_requested(bool force) {
  16   ceph_assert(ceph_mutex_is_locked(m_image_ctx->owner_lock));
  17   ceph_assert(m_image_ctx->exclusive_lock != nullptr);
  18
  19   ldout(m_image_ctx->cct, 20) << this << " " << __func__ << ": force=" << force
  20                               << dendl;
  21
  22   // release the lock upon request (ignore forced requests)
  23   m_image_ctx->exclusive_lock->release_lock(nullptr);
  24   return 0;
  25 }
  26
  27 } // namespace exclusive_lock
  28 } // namespace librbd
  29