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-rw-r--r--src/librbd/trash/MoveRequest.cc126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/librbd/trash/MoveRequest.cc b/src/librbd/trash/MoveRequest.cc
new file mode 100644
index 000000000..7b7abe452
--- /dev/null
+++ b/src/librbd/trash/MoveRequest.cc
@@ -0,0 +1,126 @@
+// -*- 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/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 == -ENOENT) {
+ r = 0;
+ }
+ if (r < 0) {
+ 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>;