Method dump_cache

src/mds/SnapClient.cc:324–361

}

int SnapClient::dump_cache(Formatter *f) const
{
  if (!is_synced()) {
    dout(5) << "dump_cache: not synced" << dendl;
    return -EINVAL;
  }

  map<snapid_t, const SnapInfo*> snaps;
  for (auto& p : cached_snaps)
    snaps[p.first] = &p.second;

  for (auto tid : committing_tids) {
    auto q = cached_pending_update.find(tid);
    if (q != cached_pending_update.end())
      snaps[q->second.snapid] = &q->second;

    auto r = cached_pending_destroy.find(tid);
    if (r != cached_pending_destroy.end())
      snaps.erase(r->second.first);
  }

  f->open_object_section("snapclient");

  f->dump_int("last_created", get_last_created());
  f->dump_int("last_destroyed", get_last_destroyed());

  f->open_array_section("snaps");
  for (auto p : snaps) {
    f->open_object_section("snap");
    p.second->dump(f);
    f->close_section();
  }
  f->close_section();

  f->close_section();

  return 0;
}