remove ceph code

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

diff --git a/src/ceph/src/librbd/object_map/SnapshotRollbackRequest.cc b/src/ceph/src/librbd/object_map/SnapshotRollbackRequest.cc
deleted file mode 100644 (file)
index 0da4fd4..0000000
--- a/src/ceph/src/librbd/object_map/SnapshotRollbackRequest.cc
+++ /dev/null
@@ -1,131 +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/SnapshotRollbackRequest.h"
-#include "common/dout.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/ObjectMap.h"
-#include "librbd/object_map/InvalidateRequest.h"
-#include "cls/lock/cls_lock_client.h"
-#include <iostream>
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::object_map::SnapshotRollbackRequest: "
-
-namespace librbd {
-namespace object_map {
-
-namespace {
-
-std::ostream& operator<<(std::ostream& os,
-                         const SnapshotRollbackRequest::State& state) {
-  switch(state) {
-  case SnapshotRollbackRequest::STATE_READ_MAP:
-    os << "READ_MAP";
-    break;
-  case SnapshotRollbackRequest::STATE_INVALIDATE_MAP:
-    os << "INVALIDATE_MAP";
-    break;
-  case SnapshotRollbackRequest::STATE_WRITE_MAP:
-    os << "WRITE_MAP";
-    break;
-  default:
-    os << "UNKNOWN (" << static_cast<uint32_t>(state) << ")";
-    break;
-  }
-  return os;
-}
-
-} // anonymous namespace
-
-void SnapshotRollbackRequest::send() {
-  send_read_map();
-}
-
-bool SnapshotRollbackRequest::should_complete(int r) {
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 5) << this << " " << __func__ << ": state=" << m_state << ", "
-                << "r=" << r << dendl;
-  if (r < 0 && m_ret_val == 0) {
-    m_ret_val = r;
-  }
-
-  bool finished = false;
-  switch (m_state) {
-  case STATE_READ_MAP:
-    if (r < 0) {
-      // invalidate the snapshot object map
-      send_invalidate_map();
-    } else {
-      send_write_map();
-    }
-    break;
-  case STATE_INVALIDATE_MAP:
-    // invalidate the HEAD object map as well
-    finished = Request::should_complete(m_ret_val);
-    break;
-  case STATE_WRITE_MAP:
-    finished = Request::should_complete(r);
-    break;
-  default:
-    assert(false);
-    break;
-  }
-  return finished;
-}
-
-void SnapshotRollbackRequest::send_read_map() {
-  std::string snap_oid(ObjectMap<>::object_map_name(m_image_ctx.id, m_snap_id));
-
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 5) << this << " " << __func__ << ": snap_oid=" << snap_oid
-                << dendl;
-  m_state = STATE_READ_MAP;
-
-  librados::ObjectReadOperation op;
-  op.read(0, 0, NULL, NULL);
-
-  librados::AioCompletion *rados_completion = create_callback_completion();
-  int r = m_image_ctx.md_ctx.aio_operate(snap_oid, rados_completion, &op,
-                                         &m_read_bl);
-  assert(r == 0);
-  rados_completion->release();
-}
-
-void SnapshotRollbackRequest::send_write_map() {
-  RWLock::RLocker owner_locker(m_image_ctx.owner_lock);
-
-  CephContext *cct = m_image_ctx.cct;
-  std::string snap_oid(ObjectMap<>::object_map_name(m_image_ctx.id,
-                                                    CEPH_NOSNAP));
-  ldout(cct, 5) << this << " " << __func__ << ": snap_oid=" << snap_oid
-                << dendl;
-  m_state = STATE_WRITE_MAP;
-
-  librados::ObjectWriteOperation op;
-  rados::cls::lock::assert_locked(&op, RBD_LOCK_NAME, LOCK_EXCLUSIVE, "", "");
-  op.write_full(m_read_bl);
-
-  librados::AioCompletion *rados_completion = create_callback_completion();
-  int r = m_image_ctx.md_ctx.aio_operate(snap_oid, rados_completion, &op);
-  assert(r == 0);
-  rados_completion->release();
-}
-
-void SnapshotRollbackRequest::send_invalidate_map() {
-  RWLock::RLocker owner_locker(m_image_ctx.owner_lock);
-  RWLock::WLocker snap_locker(m_image_ctx.snap_lock);
-
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 5) << this << " " << __func__ << dendl;
-  m_state = STATE_INVALIDATE_MAP;
-
-  InvalidateRequest<> *req = new InvalidateRequest<>(m_image_ctx, m_snap_id,
-                                                     false,
-                                                     create_callback_context());
-  req->send();
-}
-
-} // namespace object_map
-} // namespace librbd