Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 45 insertions, 0 deletions

diff --git a/src/librbd/cache/pwl/ReadRequest.h b/src/librbd/cache/pwl/ReadRequest.h
new file mode 100644
index 000000000..d4b2aee5b
--- /dev/null
+++ b/src/librbd/cache/pwl/ReadRequest.h
@@ -0,0 +1,45 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CACHE_RWL_READ_REQUEST_H
+#define CEPH_LIBRBD_CACHE_RWL_READ_REQUEST_H
+
+#include "include/Context.h"
+#include "librbd/cache/pwl/Types.h"
+
+namespace librbd {
+namespace cache {
+namespace pwl {
+
+typedef std::vector<std::shared_ptr<pwl::ImageExtentBuf>> ImageExtentBufs;
+
+class C_ReadRequest : public Context {
+public:
+  io::Extents miss_extents; // move back to caller
+  ImageExtentBufs read_extents;
+  bufferlist miss_bl;
+
+  C_ReadRequest(
+      CephContext *cct, utime_t arrived, PerfCounters *perfcounter,
+      bufferlist *out_bl, Context *on_finish)
+    : m_cct(cct), m_on_finish(on_finish), m_out_bl(out_bl),
+      m_arrived_time(arrived), m_perfcounter(perfcounter) {}
+  ~C_ReadRequest() {}
+
+  const char *get_name() const {
+    return "C_ReadRequest";
+  }
+
+protected:
+  CephContext *m_cct;
+  Context *m_on_finish;
+  bufferlist *m_out_bl;
+  utime_t m_arrived_time;
+  PerfCounters *m_perfcounter;
+};
+
+} // namespace pwl
+} // namespace cache
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CACHE_RWL_READ_REQUEST_H