initial code repo

[stor4nfv.git] / src / ceph / src / librbd / image / SetFlagsRequest.cc

diff --git a/src/ceph/src/librbd/image/SetFlagsRequest.cc b/src/ceph/src/librbd/image/SetFlagsRequest.cc
new file mode 100644 (file)
index 0000000..7d29210
--- /dev/null
+++ b/src/ceph/src/librbd/image/SetFlagsRequest.cc
@@ -0,0 +1,78 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "librbd/image/SetFlagsRequest.h"
+#include "common/dout.h"
+#include "common/errno.h"
+#include "cls/rbd/cls_rbd_client.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/Utils.h"
+#include "include/assert.h"
+
+#define dout_subsys ceph_subsys_rbd
+#undef dout_prefix
+#define dout_prefix *_dout << "librbd::image::SetFlagsRequest: "
+
+namespace librbd {
+namespace image {
+
+using util::create_context_callback;
+using util::create_rados_callback;
+
+template <typename I>
+SetFlagsRequest<I>::SetFlagsRequest(I *image_ctx, uint64_t flags,
+                                   uint64_t mask, Context *on_finish)
+  : m_image_ctx(image_ctx), m_flags(flags), m_mask(mask),
+    m_on_finish(on_finish) {
+}
+
+template <typename I>
+void SetFlagsRequest<I>::send() {
+  send_set_flags();
+}
+
+template <typename I>
+void SetFlagsRequest<I>::send_set_flags() {
+  CephContext *cct = m_image_ctx->cct;
+  ldout(cct, 20) << __func__ << dendl;
+
+  RWLock::WLocker snap_locker(m_image_ctx->snap_lock);
+  std::vector<uint64_t> snap_ids;
+  snap_ids.push_back(CEPH_NOSNAP);
+  for (auto it : m_image_ctx->snap_info) {
+    snap_ids.push_back(it.first);
+  }
+
+  Context *ctx = create_context_callback<
+    SetFlagsRequest<I>, &SetFlagsRequest<I>::handle_set_flags>(this);
+  C_Gather *gather_ctx = new C_Gather(cct, ctx);
+
+  for (auto snap_id : snap_ids) {
+    librados::ObjectWriteOperation op;
+    cls_client::set_flags(&op, snap_id, m_flags, m_mask);
+
+    librados::AioCompletion *comp =
+      create_rados_callback(gather_ctx->new_sub());
+    int r = m_image_ctx->md_ctx.aio_operate(m_image_ctx->header_oid, comp, &op);
+    assert(r == 0);
+    comp->release();
+  }
+  gather_ctx->activate();
+}
+
+template <typename I>
+Context *SetFlagsRequest<I>::handle_set_flags(int *result) {
+  CephContext *cct = m_image_ctx->cct;
+  ldout(cct, 20) << __func__ << ": r=" << *result << dendl;
+
+  if (*result < 0) {
+    lderr(cct) << "set_flags failed: " << cpp_strerror(*result)
+              << dendl;
+  }
+  return m_on_finish;
+}
+
+} // namespace image
+} // namespace librbd
+
+template class librbd::image::SetFlagsRequest<librbd::ImageCtx>;