remove ceph code

[stor4nfv.git] / src / ceph / src / librbd / object_map / LockRequest.cc

diff --git a/src/ceph/src/librbd/object_map/LockRequest.cc b/src/ceph/src/librbd/object_map/LockRequest.cc
deleted file mode 100644 (file)
index 3f97bef..0000000
--- a/src/ceph/src/librbd/object_map/LockRequest.cc
+++ /dev/null
@@ -1,157 +0,0 @@
-// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "librbd/object_map/LockRequest.h"
-#include "cls/lock/cls_lock_client.h"
-#include "common/dout.h"
-#include "common/errno.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/ObjectMap.h"
-#include "librbd/Utils.h"
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::object_map::LockRequest: "
-
-namespace librbd {
-namespace object_map {
-
-using util::create_rados_callback;
-
-template <typename I>
-LockRequest<I>::LockRequest(I &image_ctx, Context *on_finish)
-  : m_image_ctx(image_ctx), m_on_finish(on_finish), m_broke_lock(false) {
-}
-
-template <typename I>
-void LockRequest<I>::send() {
-  send_lock();
-}
-
-template <typename I>
-void LockRequest<I>::send_lock() {
-  CephContext *cct = m_image_ctx.cct;
-  std::string oid(ObjectMap<>::object_map_name(m_image_ctx.id, CEPH_NOSNAP));
-  ldout(cct, 10) << this << " " << __func__ << ": oid=" << oid << dendl;
-
-  librados::ObjectWriteOperation op;
-  rados::cls::lock::lock(&op, RBD_LOCK_NAME, LOCK_EXCLUSIVE, "", "", "",
-                           utime_t(), 0);
-
-  using klass = LockRequest<I>;
-  librados::AioCompletion *rados_completion =
-    create_rados_callback<klass, &klass::handle_lock>(this);
-  int r = m_image_ctx.md_ctx.aio_operate(oid, rados_completion, &op);
-  assert(r == 0);
-  rados_completion->release();
-}
-
-template <typename I>
-Context *LockRequest<I>::handle_lock(int *ret_val) {
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << *ret_val << dendl;
-
-  if (*ret_val == 0) {
-    return m_on_finish;
-  } else if (*ret_val == -EEXIST) {
-    // already locked by myself
-    *ret_val = 0;
-    return m_on_finish;
-  } else if (m_broke_lock || *ret_val != -EBUSY) {
-    lderr(cct) << "failed to lock object map: " << cpp_strerror(*ret_val)
-               << dendl;
-    *ret_val = 0;
-    return m_on_finish;
-  }
-
-  send_get_lock_info();
-  return nullptr;
-}
-
-template <typename I>
-void LockRequest<I>::send_get_lock_info() {
-  CephContext *cct = m_image_ctx.cct;
-  std::string oid(ObjectMap<>::object_map_name(m_image_ctx.id, CEPH_NOSNAP));
-  ldout(cct, 10) << this << " " << __func__ << ": oid=" << oid << dendl;
-
-  librados::ObjectReadOperation op;
-  rados::cls::lock::get_lock_info_start(&op, RBD_LOCK_NAME);
-
-  using klass = LockRequest<I>;
-  librados::AioCompletion *rados_completion =
-    create_rados_callback<klass, &klass::handle_get_lock_info>(this);
-  int r = m_image_ctx.md_ctx.aio_operate(oid, rados_completion, &op, &m_out_bl);
-  assert(r == 0);
-  rados_completion->release();
-}
-
-template <typename I>
-Context *LockRequest<I>::handle_get_lock_info(int *ret_val) {
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << *ret_val << dendl;
-
-  if (*ret_val == -ENOENT) {
-    send_lock();
-    return nullptr;
-  }
-
-  ClsLockType lock_type;
-  std::string lock_tag;
-  if (*ret_val == 0) {
-    bufferlist::iterator it = m_out_bl.begin();
-    *ret_val = rados::cls::lock::get_lock_info_finish(&it, &m_lockers,
-                                                      &lock_type, &lock_tag);
-  }
-  if (*ret_val < 0) {
-    lderr(cct) << "failed to list object map locks: " << cpp_strerror(*ret_val)
-               << dendl;
-    *ret_val = 0;
-    return m_on_finish;
-  }
-
-  send_break_locks();
-  return nullptr;
-}
-
-template <typename I>
-void LockRequest<I>::send_break_locks() {
-  CephContext *cct = m_image_ctx.cct;
-  std::string oid(ObjectMap<>::object_map_name(m_image_ctx.id, CEPH_NOSNAP));
-  ldout(cct, 10) << this << " " << __func__ << ": oid=" << oid << ", "
-                 << "num_lockers=" << m_lockers.size() << dendl;
-
-  librados::ObjectWriteOperation op;
-  for (auto &locker : m_lockers) {
-    rados::cls::lock::break_lock(&op, RBD_LOCK_NAME, locker.first.cookie,
-                                 locker.first.locker);
-  }
-
-  using klass = LockRequest<I>;
-  librados::AioCompletion *rados_completion =
-    create_rados_callback<klass, &klass::handle_break_locks>(this);
-  int r = m_image_ctx.md_ctx.aio_operate(oid, rados_completion, &op);
-  assert(r == 0);
-  rados_completion->release();
-}
-
-template <typename I>
-Context *LockRequest<I>::handle_break_locks(int *ret_val) {
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << *ret_val << dendl;
-
-  m_broke_lock = true;
-  if (*ret_val == 0 || *ret_val == -ENOENT) {
-    send_lock();
-    return nullptr;
-  }
-
-  lderr(cct) << "failed to break object map lock: " << cpp_strerror(*ret_val)
-             << dendl;
-  *ret_val = 0;
-  return m_on_finish;
-}
-
-} // namespace object_map
-} // namespace librbd
-
-template class librbd::object_map::LockRequest<librbd::ImageCtx>;