initial code repo

[stor4nfv.git] / src / ceph / src / librbd / journal / StandardPolicy.cc

diff --git a/src/ceph/src/librbd/journal/StandardPolicy.cc b/src/ceph/src/librbd/journal/StandardPolicy.cc
new file mode 100644 (file)
index 0000000..7e5e329
--- /dev/null
+++ b/src/ceph/src/librbd/journal/StandardPolicy.cc
@@ -0,0 +1,32 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "librbd/journal/StandardPolicy.h"
+#include "common/WorkQueue.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/Journal.h"
+
+#define dout_subsys ceph_subsys_rbd
+#undef dout_prefix
+#define dout_prefix *_dout << "librbd::journal::StandardPolicy: "
+
+namespace librbd {
+namespace journal {
+
+template<typename I>
+void StandardPolicy<I>::allocate_tag_on_lock(Context *on_finish) {
+  assert(m_image_ctx->journal != nullptr);
+
+  if (!m_image_ctx->journal->is_tag_owner()) {
+    lderr(m_image_ctx->cct) << "local image not promoted" << dendl;
+    m_image_ctx->op_work_queue->queue(on_finish, -EPERM);
+    return;
+  }
+
+  m_image_ctx->journal->allocate_local_tag(on_finish);
+}
+
+} // namespace journal
+} // namespace librbd
+
+template class librbd::journal::StandardPolicy<librbd::ImageCtx>;