Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 98 insertions, 0 deletions

diff --git a/src/librbd/mirror/ImageRemoveRequest.cc b/src/librbd/mirror/ImageRemoveRequest.cc
new file mode 100644
index 000000000..1aa265dae
--- /dev/null
+++ b/src/librbd/mirror/ImageRemoveRequest.cc
@@ -0,0 +1,98 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "librbd/mirror/ImageRemoveRequest.h"
+#include "common/dout.h"
+#include "common/errno.h"
+#include "cls/rbd/cls_rbd_client.h"
+#include "librbd/MirroringWatcher.h"
+#include "librbd/Utils.h"
+
+#define dout_subsys ceph_subsys_rbd
+#undef dout_prefix
+#define dout_prefix *_dout << "librbd::mirror::ImageRemoveRequest: " \
+                           << this << " " << __func__ << ": "
+
+namespace librbd {
+namespace mirror {
+
+using util::create_rados_callback;
+
+template <typename I>
+ImageRemoveRequest<I>::ImageRemoveRequest(
+    librados::IoCtx& io_ctx, const std::string& global_image_id,
+    const std::string& image_id, Context* on_finish)
+  : m_io_ctx(io_ctx), m_global_image_id(global_image_id), m_image_id(image_id),
+    m_on_finish(on_finish), m_cct(static_cast<CephContext*>(m_io_ctx.cct())) {
+}
+
+template <typename I>
+void ImageRemoveRequest<I>::send() {
+  remove_mirror_image();
+}
+
+template <typename I>
+void ImageRemoveRequest<I>::remove_mirror_image() {
+  ldout(m_cct, 10) << dendl;
+
+  librados::ObjectWriteOperation op;
+  cls_client::mirror_image_remove(&op, m_image_id);
+
+  auto comp = create_rados_callback<
+    ImageRemoveRequest<I>,
+    &ImageRemoveRequest<I>::handle_remove_mirror_image>(this);
+  int r = m_io_ctx.aio_operate(RBD_MIRRORING, comp, &op);
+  ceph_assert(r == 0);
+  comp->release();
+}
+
+template <typename I>
+void ImageRemoveRequest<I>::handle_remove_mirror_image(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  if (r < 0 && r != -ENOENT) {
+    lderr(m_cct) << "failed to remove mirroring image: " << cpp_strerror(r)
+                 << dendl;
+    finish(r);
+    return;
+  }
+
+  notify_mirroring_watcher();
+}
+
+template <typename I>
+void ImageRemoveRequest<I>::notify_mirroring_watcher() {
+  ldout(m_cct, 10) << dendl;
+
+  auto ctx = util::create_context_callback<
+    ImageRemoveRequest<I>,
+    &ImageRemoveRequest<I>::handle_notify_mirroring_watcher>(this);
+  MirroringWatcher<I>::notify_image_updated(
+    m_io_ctx, cls::rbd::MIRROR_IMAGE_STATE_DISABLED,
+    m_image_id, m_global_image_id, ctx);
+}
+
+template <typename I>
+void ImageRemoveRequest<I>::handle_notify_mirroring_watcher(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  if (r < 0) {
+    lderr(m_cct) << "failed to notify mirror image update: " << cpp_strerror(r)
+                 << dendl;
+  }
+
+  finish(0);
+}
+
+template <typename I>
+void ImageRemoveRequest<I>::finish(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  m_on_finish->complete(r);
+  delete this;
+}
+
+} // namespace mirror
+} // namespace librbd
+
+template class librbd::mirror::ImageRemoveRequest<librbd::ImageCtx>;