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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2014 Adam Crume <adamcrume@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef _INCLUDED_RBD_REPLAY_PENDINGIO_HPP
#define _INCLUDED_RBD_REPLAY_PENDINGIO_HPP
#include <boost/enable_shared_from_this.hpp>
#include "actions.hpp"
/// Do not call outside of rbd_replay::PendingIO.
extern "C"
void rbd_replay_pending_io_callback(librbd::completion_t cb, void *arg);
namespace rbd_replay {
/**
A PendingIO is an I/O operation that has been started but not completed.
*/
class PendingIO : public boost::enable_shared_from_this<PendingIO> {
public:
typedef boost::shared_ptr<PendingIO> ptr;
PendingIO(action_id_t id,
ActionCtx &worker);
~PendingIO();
action_id_t id() const {
return m_id;
}
ceph::bufferlist &bufferlist() {
return m_bl;
}
librbd::RBD::AioCompletion &completion() {
return *m_completion;
}
private:
void completed(librbd::completion_t cb);
friend void ::rbd_replay_pending_io_callback(librbd::completion_t cb, void *arg);
const action_id_t m_id;
ceph::bufferlist m_bl;
librbd::RBD::AioCompletion *m_completion;
ActionCtx &m_worker;
};
}
#endif
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