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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_PLUGIN_WRITELOG_IMAGE_CACHE_H
#define CEPH_LIBRBD_PLUGIN_WRITELOG_IMAGE_CACHE_H
#include "librbd/plugin/Types.h"
#include "include/Context.h"
namespace librbd {
struct ImageCtx;
namespace plugin {
template <typename ImageCtxT>
class WriteLogImageCache : public Interface<ImageCtxT> {
public:
WriteLogImageCache(CephContext* cct) : Interface<ImageCtxT>(cct) {
}
~WriteLogImageCache() override;
void init(ImageCtxT* image_ctx, Api<ImageCtxT>& api,
cache::ImageWritebackInterface& image_writeback,
PluginHookPoints& hook_points_list,
Context* on_finish) override;
class HookPoints : public plugin::HookPoints {
public:
HookPoints(ImageCtxT* image_ctx,
cache::ImageWritebackInterface& image_writeback,
plugin::Api<ImageCtxT>& plugin_api);
~HookPoints() override;
void acquired_exclusive_lock(Context* on_finish) override;
void prerelease_exclusive_lock(Context* on_finish) override;
void discard(Context* on_finish) override;
private:
ImageCtxT* m_image_ctx;
cache::ImageWritebackInterface& m_image_writeback;
plugin::Api<ImageCtxT>& m_plugin_api;
};
};
} // namespace plugin
} // namespace librbd
extern template class librbd::plugin::WriteLogImageCache<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_PLUGIN_WRITELOG_IMAGE_CACHE_H
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