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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "crimson/osd/pg_map.h"
#include "crimson/osd/pg.h"
#include "common/Formatter.h"
namespace {
seastar::logger& logger() {
return crimson::get_logger(ceph_subsys_osd);
}
}
using std::make_pair;
namespace crimson::osd {
PGMap::PGCreationState::PGCreationState(spg_t pgid) : pgid(pgid) {}
PGMap::PGCreationState::~PGCreationState() {}
void PGMap::PGCreationState::dump_detail(Formatter *f) const
{
f->dump_stream("pgid") << pgid;
f->dump_bool("creating", creating);
}
PGMap::wait_for_pg_ret
PGMap::wait_for_pg(PGCreationBlockingEvent::TriggerI&& trigger, spg_t pgid)
{
if (auto pg = get_pg(pgid)) {
return make_pair(
wait_for_pg_fut(wait_for_pg_ertr::ready_future_marker{}, pg),
true);
} else {
auto &state = pgs_creating.emplace(pgid, pgid).first->second;
return make_pair(
wait_for_pg_fut(
trigger.maybe_record_blocking(state.promise.get_shared_future(), state)
), state.creating);
}
}
void PGMap::remove_pg(spg_t pgid) {
ceph_assert(pgs.erase(pgid) == 1);
}
Ref<PG> PGMap::get_pg(spg_t pgid)
{
if (auto pg = pgs.find(pgid); pg != pgs.end()) {
return pg->second;
} else {
return nullptr;
}
}
void PGMap::set_creating(spg_t pgid)
{
logger().debug("Creating {}", pgid);
ceph_assert(pgs.count(pgid) == 0);
auto pg = pgs_creating.find(pgid);
ceph_assert(pg != pgs_creating.end());
ceph_assert(pg->second.creating == false);
pg->second.creating = true;
}
void PGMap::pg_created(spg_t pgid, Ref<PG> pg)
{
logger().debug("Created {}", pgid);
ceph_assert(!pgs.count(pgid));
pgs.emplace(pgid, pg);
auto creating_iter = pgs_creating.find(pgid);
ceph_assert(creating_iter != pgs_creating.end());
auto promise = std::move(creating_iter->second.promise);
pgs_creating.erase(creating_iter);
promise.set_value(pg);
}
void PGMap::pg_loaded(spg_t pgid, Ref<PG> pg)
{
ceph_assert(!pgs.count(pgid));
pgs.emplace(pgid, pg);
}
void PGMap::pg_creation_canceled(spg_t pgid)
{
logger().debug("PGMap::pg_creation_canceled: {}", pgid);
ceph_assert(!pgs.count(pgid));
auto creating_iter = pgs_creating.find(pgid);
ceph_assert(creating_iter != pgs_creating.end());
auto promise = std::move(creating_iter->second.promise);
pgs_creating.erase(creating_iter);
promise.set_exception(
crimson::ct_error::ecanceled::exception_ptr()
);
}
PGMap::~PGMap() {}
}
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