remove ceph code
[stor4nfv.git] / src / ceph / src / librbd / operation / SnapshotProtectRequest.cc
diff --git a/src/ceph/src/librbd/operation/SnapshotProtectRequest.cc b/src/ceph/src/librbd/operation/SnapshotProtectRequest.cc
deleted file mode 100644 (file)
index 1994321..0000000
+++ /dev/null
@@ -1,120 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "librbd/operation/SnapshotProtectRequest.h"
-#include "common/dout.h"
-#include "common/errno.h"
-#include "librbd/ImageCtx.h"
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::SnapshotProtectRequest: "
-
-namespace librbd {
-namespace operation {
-
-namespace {
-
-template <typename I>
-std::ostream& operator<<(std::ostream& os,
-                         const typename SnapshotProtectRequest<I>::State& state) {
-  switch(state) {
-  case SnapshotProtectRequest<I>::STATE_PROTECT_SNAP:
-    os << "PROTECT_SNAP";
-    break;
-  }
-  return os;
-}
-
-} // anonymous namespace
-
-template <typename I>
-SnapshotProtectRequest<I>::SnapshotProtectRequest(I &image_ctx,
-                                                  Context *on_finish,
-                                                 const cls::rbd::SnapshotNamespace &snap_namespace,
-                                                 const std::string &snap_name)
-  : Request<I>(image_ctx, on_finish), m_snap_namespace(snap_namespace), m_snap_name(snap_name) {
-}
-
-template <typename I>
-void SnapshotProtectRequest<I>::send_op() {
-  send_protect_snap();
-}
-
-template <typename I>
-bool SnapshotProtectRequest<I>::should_complete(int r) {
-  I &image_ctx = this->m_image_ctx;
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 5) << this << " " << __func__ << ": state=" << m_state << ", "
-                << "r=" << r << dendl;
-  if (r < 0) {
-    if (r == -EBUSY) {
-      ldout(cct, 1) << "snapshot is already protected" << dendl;
-    } else {
-      lderr(cct) << "encountered error: " << cpp_strerror(r) << dendl;
-    }
-  }
-  return true;
-}
-
-template <typename I>
-void SnapshotProtectRequest<I>::send_protect_snap() {
-  I &image_ctx = this->m_image_ctx;
-  assert(image_ctx.owner_lock.is_locked());
-
-  CephContext *cct = image_ctx.cct;
-  ldout(cct, 5) << this << " " << __func__ << dendl;
-
-  m_state = STATE_PROTECT_SNAP;
-
-  int r = verify_and_send_protect_snap();
-  if (r < 0) {
-    this->async_complete(r);
-    return;
-  }
-}
-
-template <typename I>
-int SnapshotProtectRequest<I>::verify_and_send_protect_snap() {
-  I &image_ctx = this->m_image_ctx;
-  RWLock::RLocker md_locker(image_ctx.md_lock);
-  RWLock::RLocker snap_locker(image_ctx.snap_lock);
-
-  CephContext *cct = image_ctx.cct;
-  if ((image_ctx.features & RBD_FEATURE_LAYERING) == 0) {
-    lderr(cct) << "image must support layering" << dendl;
-    return -ENOSYS;
-  }
-
-  uint64_t snap_id = image_ctx.get_snap_id(m_snap_namespace, m_snap_name);
-  if (snap_id == CEPH_NOSNAP) {
-    return -ENOENT;
-  }
-
-  bool is_protected;
-  int r = image_ctx.is_snap_protected(snap_id, &is_protected);
-  if (r < 0) {
-    return r;
-  }
-
-  if (is_protected) {
-    return -EBUSY;
-  }
-
-  librados::ObjectWriteOperation op;
-  cls_client::set_protection_status(&op, snap_id,
-                                    RBD_PROTECTION_STATUS_PROTECTED);
-
-  librados::AioCompletion *rados_completion =
-    this->create_callback_completion();
-  r = image_ctx.md_ctx.aio_operate(image_ctx.header_oid, rados_completion,
-                                     &op);
-  assert(r == 0);
-  rados_completion->release();
-  return 0;
-}
-
-} // namespace operation
-} // namespace librbd
-
-template class librbd::operation::SnapshotProtectRequest<librbd::ImageCtx>;