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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) 2017 Sage Weil <sage@redhat.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 CEPH_MOSDPGBACKFILLREMOVE_H
#define CEPH_MOSDPGBACKFILLREMOVE_H
#include "MOSDFastDispatchOp.h"
/*
* instruct non-primary to remove some objects during backfill
*/
class MOSDPGBackfillRemove final : public MOSDFastDispatchOp {
public:
static constexpr int HEAD_VERSION = 1;
static constexpr int COMPAT_VERSION = 1;
spg_t pgid; ///< target spg_t
epoch_t map_epoch = 0;
std::list<std::pair<hobject_t,eversion_t>> ls; ///< objects to remove
epoch_t get_map_epoch() const override {
return map_epoch;
}
spg_t get_spg() const override {
return pgid;
}
MOSDPGBackfillRemove()
: MOSDFastDispatchOp{MSG_OSD_PG_BACKFILL_REMOVE, HEAD_VERSION,
COMPAT_VERSION}
{}
MOSDPGBackfillRemove(spg_t pgid, epoch_t map_epoch)
: MOSDFastDispatchOp{MSG_OSD_PG_BACKFILL_REMOVE, HEAD_VERSION,
COMPAT_VERSION},
pgid(pgid),
map_epoch(map_epoch) {}
private:
~MOSDPGBackfillRemove() final {}
public:
std::string_view get_type_name() const override { return "backfill_remove"; }
void print(std::ostream& out) const override {
out << "backfill_remove(" << pgid << " e" << map_epoch
<< " " << ls << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(pgid, payload);
encode(map_epoch, payload);
encode(ls, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(pgid, p);
decode(map_epoch, p);
decode(ls, p);
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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