ceph/src/messages/MOSDForceRecovery.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2017 OVH
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15
  16 #ifndef CEPH_MOSDFORCERECOVERY_H
  17 #define CEPH_MOSDFORCERECOVERY_H
  18
  19 #include "msg/Message.h"
  20
  21 /*
  22  * instruct an OSD to boost/unboost recovery/backfill priority of some or all pg(s)
  23  */
  24
  25 // boost priority of recovery
  26 static const int OFR_RECOVERY = 1;
  27
  28 // boost priority of backfill
  29 static const int OFR_BACKFILL = 2;
  30
  31 // cancel priority boost, requeue if necessary
  32 static const int OFR_CANCEL = 4;
  33
  34 struct MOSDForceRecovery : public Message {
  35
  36   static const int HEAD_VERSION = 1;
  37   static const int COMPAT_VERSION = 1;
  38
  39   uuid_d fsid;
  40   vector<pg_t> forced_pgs;
  41   uint8_t options;
  42
  43   MOSDForceRecovery() : Message(MSG_OSD_FORCE_RECOVERY, HEAD_VERSION, COMPAT_VERSION) {}
  44   MOSDForceRecovery(const uuid_d& f, char opts) :
  45     Message(MSG_OSD_FORCE_RECOVERY, HEAD_VERSION, COMPAT_VERSION),
  46     fsid(f), options(opts) {}
  47   MOSDForceRecovery(const uuid_d& f, vector<pg_t>& pgs, char opts) :
  48     Message(MSG_OSD_FORCE_RECOVERY, HEAD_VERSION, COMPAT_VERSION),
  49     fsid(f), forced_pgs(pgs), options(opts) {}
  50 private:
  51   ~MOSDForceRecovery() {}
  52
  53 public:
  54   const char *get_type_name() const { return "force_recovery"; }
  55   void print(ostream& out) const {
  56     out << "force_recovery(";
  57     if (forced_pgs.empty())
  58       out << "osd";
  59     else
  60       out << forced_pgs;
  61     if (options & OFR_RECOVERY)
  62       out << " recovery";
  63     if (options & OFR_BACKFILL)
  64        out << " backfill";
  65     if (options & OFR_CANCEL)
  66        out << " cancel";
  67      out << ")";
  68   }
  69
  70   void encode_payload(uint64_t features) {
  71     ::encode(fsid, payload);
  72     ::encode(forced_pgs, payload);
  73     ::encode(options, payload);
  74   }
  75   void decode_payload() {
  76     bufferlist::iterator p = payload.begin();
  77     ::decode(fsid, p);
  78     ::decode(forced_pgs, p);
  79     ::decode(options, p);
  80   }
  81 };
  82
  83 #endif /* CEPH_MOSDFORCERECOVERY_H_ */