X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Flibrbd%2Fimage%2FCloseRequest.cc;fp=src%2Fceph%2Fsrc%2Flibrbd%2Fimage%2FCloseRequest.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=ee1519bf7d5f1bf0fdf1953cf51cb744a812882d;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git

diff --git a/src/ceph/src/librbd/image/CloseRequest.cc b/src/ceph/src/librbd/image/CloseRequest.cc
deleted file mode 100644
index ee1519b..0000000
--- a/src/ceph/src/librbd/image/CloseRequest.cc
+++ /dev/null
@@ -1,323 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "librbd/image/CloseRequest.h"
-#include "common/dout.h"
-#include "common/errno.h"
-#include "librbd/ExclusiveLock.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/ImageState.h"
-#include "librbd/ImageWatcher.h"
-#include "librbd/ObjectMap.h"
-#include "librbd/Utils.h"
-#include "librbd/io/ImageRequestWQ.h"
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::image::CloseRequest: "
-
-namespace librbd {
-namespace image {
-
-using util::create_async_context_callback;
-using util::create_context_callback;
-
-template <typename I>
-CloseRequest<I>::CloseRequest(I *image_ctx, Context *on_finish)
-  : m_image_ctx(image_ctx), m_on_finish(on_finish), m_error_result(0),
-    m_exclusive_lock(nullptr) {
-  assert(image_ctx != nullptr);
-}
-
-template <typename I>
-void CloseRequest<I>::send() {
-  send_block_image_watcher();
-}
-
-template <typename I>
-void CloseRequest<I>::send_block_image_watcher() {
-  if (m_image_ctx->image_watcher == nullptr) {
-    send_shut_down_update_watchers();
-    return;
-  }
-
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  // prevent incoming requests from our peers
-  m_image_ctx->image_watcher->block_notifies(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_block_image_watcher>(this));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_block_image_watcher(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  send_shut_down_update_watchers();
-}
-
-template <typename I>
-void CloseRequest<I>::send_shut_down_update_watchers() {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_image_ctx->state->shut_down_update_watchers(create_async_context_callback(
-    *m_image_ctx, create_context_callback<
-      CloseRequest<I>, &CloseRequest<I>::handle_shut_down_update_watchers>(this)));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_shut_down_update_watchers(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  save_result(r);
-  if (r < 0) {
-    lderr(cct) << "failed to shut down update watchers: " << cpp_strerror(r)
-               << dendl;
-  }
-
-  send_shut_down_io_queue();
-}
-
-template <typename I>
-void CloseRequest<I>::send_shut_down_io_queue() {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  RWLock::RLocker owner_locker(m_image_ctx->owner_lock);
-  m_image_ctx->io_work_queue->shut_down(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_shut_down_io_queue>(this));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_shut_down_io_queue(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  send_shut_down_exclusive_lock();
-}
-
-template <typename I>
-void CloseRequest<I>::send_shut_down_exclusive_lock() {
-  {
-    RWLock::WLocker owner_locker(m_image_ctx->owner_lock);
-    m_exclusive_lock = m_image_ctx->exclusive_lock;
-
-    // if reading a snapshot -- possible object map is open
-    RWLock::WLocker snap_locker(m_image_ctx->snap_lock);
-    if (m_exclusive_lock == nullptr) {
-      delete m_image_ctx->object_map;
-      m_image_ctx->object_map = nullptr;
-    }
-  }
-
-  if (m_exclusive_lock == nullptr) {
-    send_flush();
-    return;
-  }
-
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  // in-flight IO will be flushed and in-flight requests will be canceled
-  // before releasing lock
-  m_exclusive_lock->shut_down(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_shut_down_exclusive_lock>(this));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_shut_down_exclusive_lock(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  {
-    RWLock::RLocker owner_locker(m_image_ctx->owner_lock);
-    assert(m_image_ctx->exclusive_lock == nullptr);
-
-    // object map and journal closed during exclusive lock shutdown
-    RWLock::RLocker snap_locker(m_image_ctx->snap_lock);
-    assert(m_image_ctx->journal == nullptr);
-    assert(m_image_ctx->object_map == nullptr);
-  }
-
-  delete m_exclusive_lock;
-  m_exclusive_lock = nullptr;
-
-  save_result(r);
-  if (r < 0) {
-    lderr(cct) << "failed to shut down exclusive lock: " << cpp_strerror(r)
-               << dendl;
-  }
-
-  send_unregister_image_watcher();
-}
-
-template <typename I>
-void CloseRequest<I>::send_flush() {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  RWLock::RLocker owner_locker(m_image_ctx->owner_lock);
-  m_image_ctx->flush(create_async_context_callback(
-    *m_image_ctx, create_context_callback<
-      CloseRequest<I>, &CloseRequest<I>::handle_flush>(this)));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_flush(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  if (r < 0) {
-    lderr(cct) << "failed to flush IO: " << cpp_strerror(r) << dendl;
-  }
-  send_unregister_image_watcher();
-}
-
-template <typename I>
-void CloseRequest<I>::send_unregister_image_watcher() {
-  if (m_image_ctx->image_watcher == nullptr) {
-    send_flush_readahead();
-    return;
-  }
-
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_image_ctx->image_watcher->unregister_watch(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_unregister_image_watcher>(this));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_unregister_image_watcher(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  save_result(r);
-  if (r < 0) {
-    lderr(cct) << "failed to unregister image watcher: " << cpp_strerror(r)
-               << dendl;
-  }
-
-  send_flush_readahead();
-}
-
-template <typename I>
-void CloseRequest<I>::send_flush_readahead() {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_image_ctx->readahead.wait_for_pending(create_async_context_callback(
-    *m_image_ctx, create_context_callback<
-      CloseRequest<I>, &CloseRequest<I>::handle_flush_readahead>(this)));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_flush_readahead(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  send_shut_down_cache();
-}
-
-template <typename I>
-void CloseRequest<I>::send_shut_down_cache() {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_image_ctx->shut_down_cache(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_shut_down_cache>(this));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_shut_down_cache(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  save_result(r);
-  if (r < 0) {
-    lderr(cct) << "failed to shut down cache: " << cpp_strerror(r) << dendl;
-  }
-  send_flush_op_work_queue();
-}
-
-template <typename I>
-void CloseRequest<I>::send_flush_op_work_queue() {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_image_ctx->op_work_queue->queue(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_flush_op_work_queue>(this), 0);
-}
-
-template <typename I>
-void CloseRequest<I>::handle_flush_op_work_queue(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-  send_close_parent();
-}
-
-template <typename I>
-void CloseRequest<I>::send_close_parent() {
-  if (m_image_ctx->parent == nullptr) {
-    send_flush_image_watcher();
-    return;
-  }
-
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
-
-  m_image_ctx->parent->state->close(create_async_context_callback(
-    *m_image_ctx, create_context_callback<
-      CloseRequest<I>, &CloseRequest<I>::handle_close_parent>(this)));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_close_parent(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  delete m_image_ctx->parent;
-  save_result(r);
-  if (r < 0) {
-    lderr(cct) << "error closing parent image: " << cpp_strerror(r) << dendl;
-  }
-  send_flush_image_watcher();
-}
-
-template <typename I>
-void CloseRequest<I>::send_flush_image_watcher() {
-  if (m_image_ctx->image_watcher == nullptr) {
-    finish();
-    return;
-  }
-
-  m_image_ctx->image_watcher->flush(create_context_callback<
-    CloseRequest<I>, &CloseRequest<I>::handle_flush_image_watcher>(this));
-}
-
-template <typename I>
-void CloseRequest<I>::handle_flush_image_watcher(int r) {
-  CephContext *cct = m_image_ctx->cct;
-  ldout(cct, 10) << this << " " << __func__ << ": r=" << r << dendl;
-
-  if (r < 0) {
-    lderr(cct) << "error flushing image watcher: " << cpp_strerror(r) << dendl;
-  }
-  save_result(r);
-  finish();
-}
-
-template <typename I>
-void CloseRequest<I>::finish() {
-  m_image_ctx->shutdown();
-  m_on_finish->complete(m_error_result);
-  delete this;
-}
-
-} // namespace image
-} // namespace librbd
-
-template class librbd::image::CloseRequest<librbd::ImageCtx>;