Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 124 insertions, 0 deletions

diff --git a/src/librbd/trash/MoveRequest.cc b/src/librbd/trash/MoveRequest.cc
new file mode 100644
index 00000000..526e92ab
--- /dev/null
+++ b/src/librbd/trash/MoveRequest.cc
@@ -0,0 +1,124 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "librbd/trash/MoveRequest.h"
+#include "common/dout.h"
+#include "common/errno.h"
+#include "cls/rbd/cls_rbd_client.h"
+#include "librbd/ExclusiveLock.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/ImageState.h"
+#include "librbd/Utils.h"
+
+#define dout_subsys ceph_subsys_rbd
+#undef dout_prefix
+#define dout_prefix *_dout << "librbd::trash::MoveRequest: " << this \
+                           << " " << __func__ << ": "
+
+namespace librbd {
+namespace trash {
+
+using util::create_context_callback;
+using util::create_rados_callback;
+
+template <typename I>
+void MoveRequest<I>::send() {
+  trash_add();
+}
+
+template <typename I>
+void MoveRequest<I>::trash_add() {
+  ldout(m_cct, 10) << dendl;
+
+  librados::ObjectWriteOperation op;
+  librbd::cls_client::trash_add(&op, m_image_id, m_trash_image_spec);
+
+  auto aio_comp = create_rados_callback<
+    MoveRequest<I>, &MoveRequest<I>::handle_trash_add>(this);
+  int r = m_io_ctx.aio_operate(RBD_TRASH, aio_comp, &op);
+  ceph_assert(r == 0);
+  aio_comp->release();
+}
+
+template <typename I>
+void MoveRequest<I>::handle_trash_add(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  if (r == -EEXIST) {
+    ldout(m_cct, 10) << "previous unfinished deferred remove for image: "
+                     << m_image_id << dendl;
+  } else if (r < 0) {
+    lderr(m_cct) << "failed to add image to trash: " << cpp_strerror(r)
+                 << dendl;
+    finish(r);
+    return;
+  }
+
+  remove_id();
+}
+
+template <typename I>
+void MoveRequest<I>::remove_id() {
+  ldout(m_cct, 10) << dendl;
+
+  auto aio_comp = create_rados_callback<
+    MoveRequest<I>, &MoveRequest<I>::handle_remove_id>(this);
+  int r = m_io_ctx.aio_remove(util::id_obj_name(m_trash_image_spec.name),
+                              aio_comp);
+  ceph_assert(r == 0);
+  aio_comp->release();
+}
+
+template <typename I>
+void MoveRequest<I>::handle_remove_id(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  if (r < 0 && r != -ENOENT) {
+    lderr(m_cct) << "failed to remove image id object: " << cpp_strerror(r)
+                 << dendl;
+    finish(r);
+    return;
+  }
+
+  directory_remove();
+}
+
+template <typename I>
+void MoveRequest<I>::directory_remove() {
+  ldout(m_cct, 10) << dendl;
+
+  librados::ObjectWriteOperation op;
+  librbd::cls_client::dir_remove_image(&op, m_trash_image_spec.name,
+                                       m_image_id);
+
+  auto aio_comp = create_rados_callback<
+    MoveRequest<I>, &MoveRequest<I>::handle_directory_remove>(this);
+  int r = m_io_ctx.aio_operate(RBD_DIRECTORY, aio_comp, &op);
+  ceph_assert(r == 0);
+  aio_comp->release();
+}
+
+template <typename I>
+void MoveRequest<I>::handle_directory_remove(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  if (r < 0 && r != -ENOENT) {
+    lderr(m_cct) << "failed to remove image from directory: " << cpp_strerror(r)
+                 << dendl;
+  }
+
+  finish(r);
+}
+
+template <typename I>
+void MoveRequest<I>::finish(int r) {
+  ldout(m_cct, 10) << "r=" << r << dendl;
+
+  m_on_finish->complete(r);
+  delete this;
+}
+
+} // namespace trash
+} // namespace librbd
+
+template class librbd::trash::MoveRequest<librbd::ImageCtx>;