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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) 2016 Red Hat Inc.
*
* 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.
*
*/
#include <memory>
#include "osd/mClockClientQueue.h"
#include "common/dout.h"
namespace dmc = crimson::dmclock;
using namespace std::placeholders;
#define dout_context cct
#define dout_subsys ceph_subsys_osd
#undef dout_prefix
#define dout_prefix *_dout
namespace ceph {
/*
* class mClockClientQueue
*/
mClockClientQueue::mClockClientQueue(CephContext *cct) :
queue(std::bind(&mClockClientQueue::op_class_client_info_f, this, _1),
cct->_conf->osd_op_queue_mclock_anticipation_timeout),
client_info_mgr(cct)
{
// empty
}
const dmc::ClientInfo* mClockClientQueue::op_class_client_info_f(
const mClockClientQueue::InnerClient& client)
{
return client_info_mgr.get_client_info(client.second);
}
mClockClientQueue::InnerClient
inline mClockClientQueue::get_inner_client(const Client& cl,
const Request& request) {
return InnerClient(cl, client_info_mgr.osd_op_type(request));
}
// Formatted output of the queue
inline void mClockClientQueue::dump(ceph::Formatter *f) const {
queue.dump(f);
}
inline void mClockClientQueue::enqueue_strict(Client cl,
unsigned priority,
Request&& item) {
queue.enqueue_strict(get_inner_client(cl, item), priority,
std::move(item));
}
// Enqueue op in the front of the strict queue
inline void mClockClientQueue::enqueue_strict_front(Client cl,
unsigned priority,
Request&& item) {
queue.enqueue_strict_front(get_inner_client(cl, item), priority,
std::move(item));
}
// Enqueue op in the back of the regular queue
inline void mClockClientQueue::enqueue(Client cl,
unsigned priority,
unsigned cost,
Request&& item) {
queue.enqueue(get_inner_client(cl, item), priority, 1u, std::move(item));
}
// Enqueue the op in the front of the regular queue
inline void mClockClientQueue::enqueue_front(Client cl,
unsigned priority,
unsigned cost,
Request&& item) {
queue.enqueue_front(get_inner_client(cl, item), priority, 1u,
std::move(item));
}
// Return an op to be dispatched
inline Request mClockClientQueue::dequeue() {
return queue.dequeue();
}
} // namespace ceph
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