remove ceph code
[stor4nfv.git] / src / ceph / src / librbd / operation / Request.cc
diff --git a/src/ceph/src/librbd/operation/Request.cc b/src/ceph/src/librbd/operation/Request.cc
deleted file mode 100644 (file)
index d6201d4..0000000
+++ /dev/null
@@ -1,183 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "librbd/operation/Request.h"
-#include "common/dout.h"
-#include "common/errno.h"
-#include "common/WorkQueue.h"
-#include "librbd/ImageCtx.h"
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::Request: "
-
-namespace librbd {
-namespace operation {
-
-template <typename I>
-Request<I>::Request(I &image_ctx, Context *on_finish, uint64_t journal_op_tid)
-  : AsyncRequest<I>(image_ctx, on_finish), m_op_tid(journal_op_tid) {
-}
-
-template <typename I>
-void Request<I>::send() {
-  I &image_ctx = this->m_image_ctx;
-  assert(image_ctx.owner_lock.is_locked());
-
-  // automatically create the event if we don't need to worry
-  // about affecting concurrent IO ops
-  if (can_affect_io() || !append_op_event()) {
-    send_op();
-  }
-}
-
-template <typename I>
-Context *Request<I>::create_context_finisher(int r) {
-  // automatically commit the event if required (delete after commit)
-  if (m_appended_op_event && !m_committed_op_event &&
-      commit_op_event(r)) {
-    return nullptr;
-  }
-
-  I &image_ctx = this->m_image_ctx;
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-  return util::create_context_callback<Request<I>, &Request<I>::finish>(this);
-}
-
-template <typename I>
-void Request<I>::finish_and_destroy(int r) {
-  I &image_ctx = this->m_image_ctx;
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  // automatically commit the event if required (delete after commit)
-  if (m_appended_op_event && !m_committed_op_event &&
-      commit_op_event(r)) {
-    return;
-  }
-
-  AsyncRequest<I>::finish_and_destroy(r);
-}
-
-template <typename I>
-void Request<I>::finish(int r) {
-  I &image_ctx = this->m_image_ctx;
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  assert(!m_appended_op_event || m_committed_op_event);
-  AsyncRequest<I>::finish(r);
-}
-
-template <typename I>
-bool Request<I>::append_op_event() {
-  I &image_ctx = this->m_image_ctx;
-
-  assert(image_ctx.owner_lock.is_locked());
-  RWLock::RLocker snap_locker(image_ctx.snap_lock);
-  if (image_ctx.journal != nullptr &&
-      image_ctx.journal->is_journal_appending()) {
-    append_op_event(util::create_context_callback<
-      Request<I>, &Request<I>::handle_op_event_safe>(this));
-    return true;
-  }
-  return false;
-}
-
-template <typename I>
-bool Request<I>::commit_op_event(int r) {
-  I &image_ctx = this->m_image_ctx;
-  RWLock::RLocker snap_locker(image_ctx.snap_lock);
-
-  if (!m_appended_op_event) {
-    return false;
-  }
-
-  assert(m_op_tid != 0);
-  assert(!m_committed_op_event);
-  m_committed_op_event = true;
-
-  if (image_ctx.journal != nullptr &&
-      image_ctx.journal->is_journal_appending()) {
-    CephContext *cct = image_ctx.cct;
-    ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-    // ops will be canceled / completed before closing journal
-    assert(image_ctx.journal->is_journal_ready());
-    image_ctx.journal->commit_op_event(m_op_tid, r,
-                                       new C_CommitOpEvent(this, r));
-    return true;
-  }
-  return false;
-}
-
-template <typename I>
-void Request<I>::handle_commit_op_event(int r, int original_ret_val) {
-  I &image_ctx = this->m_image_ctx;
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  if (r < 0) {
-    lderr(cct) << "failed to commit op event to journal: " << cpp_strerror(r)
-               << dendl;
-  }
-  if (original_ret_val < 0) {
-    r = original_ret_val;
-  }
-  finish(r);
-}
-
-template <typename I>
-void Request<I>::replay_op_ready(Context *on_safe) {
-  I &image_ctx = this->m_image_ctx;
-  assert(image_ctx.owner_lock.is_locked());
-  assert(image_ctx.snap_lock.is_locked());
-  assert(m_op_tid != 0);
-
-  m_appended_op_event = true;
-  image_ctx.journal->replay_op_ready(
-    m_op_tid, util::create_async_context_callback(image_ctx, on_safe));
-}
-
-template <typename I>
-void Request<I>::append_op_event(Context *on_safe) {
-  I &image_ctx = this->m_image_ctx;
-  assert(image_ctx.owner_lock.is_locked());
-  assert(image_ctx.snap_lock.is_locked());
-
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_op_tid = image_ctx.journal->allocate_op_tid();
-  image_ctx.journal->append_op_event(
-    m_op_tid, journal::EventEntry{create_event(m_op_tid)},
-    new C_AppendOpEvent(this, on_safe));
-}
-
-template <typename I>
-void Request<I>::handle_op_event_safe(int r) {
-  I &image_ctx = this->m_image_ctx;
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  if (r < 0) {
-    lderr(cct) << "failed to commit op event to journal: " << cpp_strerror(r)
-               << dendl;
-    this->finish(r);
-    delete this;
-  } else {
-    assert(!can_affect_io());
-
-    // haven't started the request state machine yet
-    RWLock::RLocker owner_locker(image_ctx.owner_lock);
-    send_op();
-  }
-}
-
-} // namespace operation
-} // namespace librbd
-
-#ifndef TEST_F
-template class librbd::operation::Request<librbd::ImageCtx>;
-#endif