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-rw-r--r--src/librbd/cache/pwl/ReadRequest.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/librbd/cache/pwl/ReadRequest.h b/src/librbd/cache/pwl/ReadRequest.h
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index 000000000..d4b2aee5b
--- /dev/null
+++ b/src/librbd/cache/pwl/ReadRequest.h
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+// -*- 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