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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab expandtab
#include "include/denc.h"
#include "include/intarith.h"
#include "crimson/os/seastore/logging.h"
#include "crimson/os/seastore/transaction_manager.h"
#include "crimson/os/seastore/journal.h"
#include "crimson/os/seastore/journal/circular_bounded_journal.h"
#include "crimson/os/seastore/lba_manager/btree/lba_btree_node.h"
#include "crimson/os/seastore/random_block_manager/rbm_device.h"
/*
* TransactionManager logs
*
* levels:
* - INFO: major initiation, closing operations
* - DEBUG: major extent related operations, INFO details
* - TRACE: DEBUG details
* - seastore_t logs
*/
SET_SUBSYS(seastore_tm);
namespace crimson::os::seastore {
TransactionManager::TransactionManager(
JournalRef _journal,
CacheRef _cache,
LBAManagerRef _lba_manager,
ExtentPlacementManagerRef &&_epm,
BackrefManagerRef&& _backref_manager)
: cache(std::move(_cache)),
lba_manager(std::move(_lba_manager)),
journal(std::move(_journal)),
epm(std::move(_epm)),
backref_manager(std::move(_backref_manager))
{
epm->set_extent_callback(this);
journal->set_write_pipeline(&write_pipeline);
}
TransactionManager::mkfs_ertr::future<> TransactionManager::mkfs()
{
LOG_PREFIX(TransactionManager::mkfs);
INFO("enter");
return epm->mount(
).safe_then([this] {
return journal->open_for_mkfs();
}).safe_then([this](auto start_seq) {
journal->get_trimmer().update_journal_tails(start_seq, start_seq);
journal->get_trimmer().set_journal_head(start_seq);
return epm->open_for_write();
}).safe_then([this, FNAME]() {
return with_transaction_intr(
Transaction::src_t::MUTATE,
"mkfs_tm",
[this, FNAME](auto& t)
{
cache->init();
return cache->mkfs(t
).si_then([this, &t] {
return lba_manager->mkfs(t);
}).si_then([this, &t] {
return backref_manager->mkfs(t);
}).si_then([this, FNAME, &t] {
INFOT("submitting mkfs transaction", t);
return submit_transaction_direct(t);
});
}).handle_error(
crimson::ct_error::eagain::handle([] {
ceph_assert(0 == "eagain impossible");
return mkfs_ertr::now();
}),
mkfs_ertr::pass_further{}
);
}).safe_then([this] {
return close();
}).safe_then([FNAME] {
INFO("completed");
});
}
TransactionManager::mount_ertr::future<> TransactionManager::mount()
{
LOG_PREFIX(TransactionManager::mount);
INFO("enter");
cache->init();
return epm->mount(
).safe_then([this] {
return journal->replay(
[this](
const auto &offsets,
const auto &e,
const journal_seq_t &dirty_tail,
const journal_seq_t &alloc_tail,
sea_time_point modify_time)
{
auto start_seq = offsets.write_result.start_seq;
return cache->replay_delta(
start_seq,
offsets.record_block_base,
e,
dirty_tail,
alloc_tail,
modify_time);
});
}).safe_then([this] {
return journal->open_for_mount();
}).safe_then([this](auto start_seq) {
journal->get_trimmer().set_journal_head(start_seq);
return with_transaction_weak(
"mount",
[this](auto &t)
{
return cache->init_cached_extents(t, [this](auto &t, auto &e) {
if (is_backref_node(e->get_type())) {
return backref_manager->init_cached_extent(t, e);
} else {
return lba_manager->init_cached_extent(t, e);
}
}).si_then([this, &t] {
epm->start_scan_space();
return backref_manager->scan_mapped_space(
t,
[this](
paddr_t paddr,
paddr_t backref_key,
extent_len_t len,
extent_types_t type,
laddr_t laddr) {
if (is_backref_node(type)) {
assert(laddr == L_ADDR_NULL);
assert(backref_key != P_ADDR_NULL);
backref_manager->cache_new_backref_extent(paddr, backref_key, type);
cache->update_tree_extents_num(type, 1);
epm->mark_space_used(paddr, len);
} else if (laddr == L_ADDR_NULL) {
assert(backref_key == P_ADDR_NULL);
cache->update_tree_extents_num(type, -1);
epm->mark_space_free(paddr, len);
} else {
assert(backref_key == P_ADDR_NULL);
cache->update_tree_extents_num(type, 1);
epm->mark_space_used(paddr, len);
}
});
});
});
}).safe_then([this] {
return epm->open_for_write();
}).safe_then([FNAME, this] {
epm->start_background();
INFO("completed");
}).handle_error(
mount_ertr::pass_further{},
crimson::ct_error::all_same_way([] {
ceph_assert(0 == "unhandled error");
return mount_ertr::now();
})
);
}
TransactionManager::close_ertr::future<> TransactionManager::close() {
LOG_PREFIX(TransactionManager::close);
INFO("enter");
return epm->stop_background(
).then([this] {
return cache->close();
}).safe_then([this] {
cache->dump_contents();
return journal->close();
}).safe_then([this] {
return epm->close();
}).safe_then([FNAME] {
INFO("completed");
return seastar::now();
});
}
TransactionManager::ref_ret TransactionManager::inc_ref(
Transaction &t,
LogicalCachedExtentRef &ref)
{
LOG_PREFIX(TransactionManager::inc_ref);
TRACET("{}", t, *ref);
return lba_manager->incref_extent(t, ref->get_laddr()
).si_then([FNAME, ref, &t](auto result) {
DEBUGT("extent refcount is incremented to {} -- {}",
t, result.refcount, *ref);
return result.refcount;
}).handle_error_interruptible(
ref_iertr::pass_further{},
ct_error::all_same_way([](auto e) {
ceph_assert(0 == "unhandled error, TODO");
}));
}
TransactionManager::ref_ret TransactionManager::inc_ref(
Transaction &t,
laddr_t offset)
{
LOG_PREFIX(TransactionManager::inc_ref);
TRACET("{}", t, offset);
return lba_manager->incref_extent(t, offset
).si_then([FNAME, offset, &t](auto result) {
DEBUGT("extent refcount is incremented to {} -- {}~{}, {}",
t, result.refcount, offset, result.length, result.addr);
return result.refcount;
});
}
TransactionManager::ref_ret TransactionManager::dec_ref(
Transaction &t,
LogicalCachedExtentRef &ref)
{
LOG_PREFIX(TransactionManager::dec_ref);
TRACET("{}", t, *ref);
return lba_manager->decref_extent(t, ref->get_laddr(), true
).si_then([this, FNAME, &t, ref](auto result) {
DEBUGT("extent refcount is decremented to {} -- {}",
t, result.refcount, *ref);
if (result.refcount == 0) {
cache->retire_extent(t, ref);
}
return result.refcount;
});
}
TransactionManager::ref_ret TransactionManager::_dec_ref(
Transaction &t,
laddr_t offset,
bool cascade_remove)
{
LOG_PREFIX(TransactionManager::_dec_ref);
TRACET("{}", t, offset);
return lba_manager->decref_extent(t, offset, cascade_remove
).si_then([this, FNAME, offset, &t](auto result) -> ref_ret {
DEBUGT("extent refcount is decremented to {} -- {}~{}, {}",
t, result.refcount, offset, result.length, result.addr);
auto fut = ref_iertr::now();
if (result.refcount == 0) {
if (result.addr.is_paddr() &&
!result.addr.get_paddr().is_zero()) {
fut = cache->retire_extent_addr(
t, result.addr.get_paddr(), result.length);
}
}
return fut.si_then([result=std::move(result)] {
return result.refcount;
});
});
}
TransactionManager::refs_ret TransactionManager::dec_ref(
Transaction &t,
std::vector<laddr_t> offsets)
{
LOG_PREFIX(TransactionManager::dec_ref);
DEBUG("{} offsets", offsets.size());
return seastar::do_with(std::move(offsets), std::vector<unsigned>(),
[this, &t] (auto &&offsets, auto &refcnt) {
return trans_intr::do_for_each(offsets.begin(), offsets.end(),
[this, &t, &refcnt] (auto &laddr) {
return this->dec_ref(t, laddr).si_then([&refcnt] (auto ref) {
refcnt.push_back(ref);
return ref_iertr::now();
});
}).si_then([&refcnt] {
return ref_iertr::make_ready_future<std::vector<unsigned>>(std::move(refcnt));
});
});
}
TransactionManager::submit_transaction_iertr::future<>
TransactionManager::submit_transaction(
Transaction &t)
{
LOG_PREFIX(TransactionManager::submit_transaction);
SUBTRACET(seastore_t, "start", t);
return trans_intr::make_interruptible(
t.get_handle().enter(write_pipeline.reserve_projected_usage)
).then_interruptible([this, FNAME, &t] {
auto dispatch_result = epm->dispatch_delayed_extents(t);
auto projected_usage = dispatch_result.usage;
SUBTRACET(seastore_t, "waiting for projected_usage: {}", t, projected_usage);
return trans_intr::make_interruptible(
epm->reserve_projected_usage(projected_usage)
).then_interruptible([this, &t, dispatch_result = std::move(dispatch_result)] {
return do_submit_transaction(t, std::move(dispatch_result));
}).finally([this, FNAME, projected_usage, &t] {
SUBTRACET(seastore_t, "releasing projected_usage: {}", t, projected_usage);
epm->release_projected_usage(projected_usage);
});
});
}
TransactionManager::submit_transaction_direct_ret
TransactionManager::submit_transaction_direct(
Transaction &tref,
std::optional<journal_seq_t> trim_alloc_to)
{
return do_submit_transaction(
tref,
epm->dispatch_delayed_extents(tref),
trim_alloc_to);
}
TransactionManager::submit_transaction_direct_ret
TransactionManager::do_submit_transaction(
Transaction &tref,
ExtentPlacementManager::dispatch_result_t dispatch_result,
std::optional<journal_seq_t> trim_alloc_to)
{
LOG_PREFIX(TransactionManager::do_submit_transaction);
SUBTRACET(seastore_t, "start", tref);
return trans_intr::make_interruptible(
tref.get_handle().enter(write_pipeline.ool_writes)
).then_interruptible([this, FNAME, &tref,
dispatch_result = std::move(dispatch_result)] {
return seastar::do_with(std::move(dispatch_result),
[this, FNAME, &tref](auto &dispatch_result) {
return epm->write_delayed_ool_extents(tref, dispatch_result.alloc_map
).si_then([this, FNAME, &tref, &dispatch_result] {
SUBTRACET(seastore_t, "update delayed extent mappings", tref);
return lba_manager->update_mappings(tref, dispatch_result.delayed_extents);
}).handle_error_interruptible(
crimson::ct_error::input_output_error::pass_further(),
crimson::ct_error::assert_all("invalid error")
);
});
}).si_then([this, FNAME, &tref] {
auto allocated_extents = tref.get_valid_pre_alloc_list();
auto num_extents = allocated_extents.size();
SUBTRACET(seastore_t, "process {} allocated extents", tref, num_extents);
return epm->write_preallocated_ool_extents(tref, allocated_extents
).handle_error_interruptible(
crimson::ct_error::input_output_error::pass_further(),
crimson::ct_error::assert_all("invalid error")
);
}).si_then([this, FNAME, &tref] {
SUBTRACET(seastore_t, "about to prepare", tref);
return tref.get_handle().enter(write_pipeline.prepare);
}).si_then([this, FNAME, &tref, trim_alloc_to=std::move(trim_alloc_to)]() mutable
-> submit_transaction_iertr::future<> {
if (trim_alloc_to && *trim_alloc_to != JOURNAL_SEQ_NULL) {
cache->trim_backref_bufs(*trim_alloc_to);
}
auto record = cache->prepare_record(
tref,
journal->get_trimmer().get_journal_head(),
journal->get_trimmer().get_dirty_tail());
tref.get_handle().maybe_release_collection_lock();
SUBTRACET(seastore_t, "about to submit to journal", tref);
return journal->submit_record(std::move(record), tref.get_handle()
).safe_then([this, FNAME, &tref](auto submit_result) mutable {
SUBDEBUGT(seastore_t, "committed with {}", tref, submit_result);
auto start_seq = submit_result.write_result.start_seq;
journal->get_trimmer().set_journal_head(start_seq);
cache->complete_commit(
tref,
submit_result.record_block_base,
start_seq);
std::vector<CachedExtentRef> lba_to_clear;
std::vector<CachedExtentRef> backref_to_clear;
lba_to_clear.reserve(tref.get_retired_set().size());
backref_to_clear.reserve(tref.get_retired_set().size());
for (auto &e: tref.get_retired_set()) {
if (e->is_logical() || is_lba_node(e->get_type()))
lba_to_clear.push_back(e);
else if (is_backref_node(e->get_type()))
backref_to_clear.push_back(e);
}
journal->get_trimmer().update_journal_tails(
cache->get_oldest_dirty_from().value_or(start_seq),
cache->get_oldest_backref_dirty_from().value_or(start_seq));
return journal->finish_commit(tref.get_src()
).then([&tref] {
return tref.get_handle().complete();
});
}).handle_error(
submit_transaction_iertr::pass_further{},
crimson::ct_error::all_same_way([](auto e) {
ceph_assert(0 == "Hit error submitting to journal");
})
);
}).finally([&tref]() {
tref.get_handle().exit();
});
}
seastar::future<> TransactionManager::flush(OrderingHandle &handle)
{
LOG_PREFIX(TransactionManager::flush);
SUBDEBUG(seastore_t, "H{} start", (void*)&handle);
return handle.enter(write_pipeline.reserve_projected_usage
).then([this, &handle] {
return handle.enter(write_pipeline.ool_writes);
}).then([this, &handle] {
return handle.enter(write_pipeline.prepare);
}).then([this, &handle] {
handle.maybe_release_collection_lock();
return journal->flush(handle);
}).then([FNAME, &handle] {
SUBDEBUG(seastore_t, "H{} completed", (void*)&handle);
});
}
TransactionManager::get_next_dirty_extents_ret
TransactionManager::get_next_dirty_extents(
Transaction &t,
journal_seq_t seq,
size_t max_bytes)
{
LOG_PREFIX(TransactionManager::get_next_dirty_extents);
DEBUGT("max_bytes={}B, seq={}", t, max_bytes, seq);
return cache->get_next_dirty_extents(t, seq, max_bytes);
}
TransactionManager::rewrite_extent_ret
TransactionManager::rewrite_logical_extent(
Transaction& t,
LogicalCachedExtentRef extent)
{
LOG_PREFIX(TransactionManager::rewrite_logical_extent);
if (extent->has_been_invalidated()) {
ERRORT("extent has been invalidated -- {}", t, *extent);
ceph_abort();
}
TRACET("rewriting extent -- {}", t, *extent);
auto lextent = extent->cast<LogicalCachedExtent>();
cache->retire_extent(t, extent);
auto nlextent = cache->alloc_new_extent_by_type(
t,
lextent->get_type(),
lextent->get_length(),
lextent->get_user_hint(),
// get target rewrite generation
lextent->get_rewrite_generation())->cast<LogicalCachedExtent>();
lextent->get_bptr().copy_out(
0,
lextent->get_length(),
nlextent->get_bptr().c_str());
nlextent->set_laddr(lextent->get_laddr());
nlextent->set_modify_time(lextent->get_modify_time());
DEBUGT("rewriting logical extent -- {} to {}", t, *lextent, *nlextent);
/* This update_mapping is, strictly speaking, unnecessary for delayed_alloc
* extents since we're going to do it again once we either do the ool write
* or allocate a relative inline addr. TODO: refactor AsyncCleaner to
* avoid this complication. */
return lba_manager->update_mapping(
t,
lextent->get_laddr(),
lextent->get_paddr(),
nlextent->get_paddr(),
nlextent.get());
}
TransactionManager::rewrite_extent_ret TransactionManager::rewrite_extent(
Transaction &t,
CachedExtentRef extent,
rewrite_gen_t target_generation,
sea_time_point modify_time)
{
LOG_PREFIX(TransactionManager::rewrite_extent);
{
auto updated = cache->update_extent_from_transaction(t, extent);
if (!updated) {
DEBUGT("extent is already retired, skipping -- {}", t, *extent);
return rewrite_extent_iertr::now();
}
extent = updated;
ceph_assert(!extent->is_pending_io());
}
assert(extent->is_valid() && !extent->is_initial_pending());
if (extent->is_dirty()) {
extent->set_target_rewrite_generation(INIT_GENERATION);
} else {
extent->set_target_rewrite_generation(target_generation);
ceph_assert(modify_time != NULL_TIME);
extent->set_modify_time(modify_time);
}
t.get_rewrite_version_stats().increment(extent->get_version());
if (is_backref_node(extent->get_type())) {
DEBUGT("rewriting backref extent -- {}", t, *extent);
return backref_manager->rewrite_extent(t, extent);
}
if (extent->get_type() == extent_types_t::ROOT) {
DEBUGT("rewriting root extent -- {}", t, *extent);
cache->duplicate_for_write(t, extent);
return rewrite_extent_iertr::now();
}
if (extent->is_logical()) {
return rewrite_logical_extent(t, extent->cast<LogicalCachedExtent>());
} else {
DEBUGT("rewriting physical extent -- {}", t, *extent);
return lba_manager->rewrite_extent(t, extent);
}
}
TransactionManager::get_extents_if_live_ret
TransactionManager::get_extents_if_live(
Transaction &t,
extent_types_t type,
paddr_t paddr,
laddr_t laddr,
extent_len_t len)
{
LOG_PREFIX(TransactionManager::get_extent_if_live);
TRACET("{} {}~{} {}", t, type, laddr, len, paddr);
// This only works with segments to check if alive,
// as parallel transactions may split the extent at the same time.
ceph_assert(paddr.get_addr_type() == paddr_types_t::SEGMENT);
return cache->get_extent_if_cached(t, paddr, type
).si_then([=, this, &t](auto extent)
-> get_extents_if_live_ret {
if (extent && extent->get_length() == len) {
DEBUGT("{} {}~{} {} is live in cache -- {}",
t, type, laddr, len, paddr, *extent);
std::list<CachedExtentRef> res;
res.emplace_back(std::move(extent));
return get_extents_if_live_ret(
interruptible::ready_future_marker{},
res);
}
if (is_logical_type(type)) {
return lba_manager->get_mappings(
t,
laddr,
len
).si_then([=, this, &t](lba_pin_list_t pin_list) {
return seastar::do_with(
std::list<CachedExtentRef>(),
[=, this, &t, pin_list=std::move(pin_list)](
std::list<CachedExtentRef> &list) mutable
{
auto paddr_seg_id = paddr.as_seg_paddr().get_segment_id();
return trans_intr::parallel_for_each(
pin_list,
[=, this, &list, &t](
LBAMappingRef &pin) -> Cache::get_extent_iertr::future<>
{
auto pin_paddr = pin->get_val();
auto &pin_seg_paddr = pin_paddr.as_seg_paddr();
auto pin_paddr_seg_id = pin_seg_paddr.get_segment_id();
auto pin_len = pin->get_length();
if (pin_paddr_seg_id != paddr_seg_id) {
return seastar::now();
}
// Only extent split can happen during the lookup
ceph_assert(pin_seg_paddr >= paddr &&
pin_seg_paddr.add_offset(pin_len) <= paddr.add_offset(len));
return read_pin_by_type(t, std::move(pin), type
).si_then([&list](auto ret) {
list.emplace_back(std::move(ret));
return seastar::now();
});
}).si_then([&list] {
return get_extents_if_live_ret(
interruptible::ready_future_marker{},
std::move(list));
});
});
}).handle_error_interruptible(crimson::ct_error::enoent::handle([] {
return get_extents_if_live_ret(
interruptible::ready_future_marker{},
std::list<CachedExtentRef>());
}), crimson::ct_error::pass_further_all{});
} else {
return lba_manager->get_physical_extent_if_live(
t,
type,
paddr,
laddr,
len
).si_then([=, &t](auto ret) {
std::list<CachedExtentRef> res;
if (ret) {
DEBUGT("{} {}~{} {} is live as physical extent -- {}",
t, type, laddr, len, paddr, *ret);
res.emplace_back(std::move(ret));
} else {
DEBUGT("{} {}~{} {} is not live as physical extent",
t, type, laddr, len, paddr);
}
return get_extents_if_live_ret(
interruptible::ready_future_marker{},
std::move(res));
});
}
});
}
TransactionManager::~TransactionManager() {}
TransactionManagerRef make_transaction_manager(
Device *primary_device,
const std::vector<Device*> &secondary_devices,
bool is_test)
{
auto epm = std::make_unique<ExtentPlacementManager>();
auto cache = std::make_unique<Cache>(*epm);
auto lba_manager = lba_manager::create_lba_manager(*cache);
auto sms = std::make_unique<SegmentManagerGroup>();
auto rbs = std::make_unique<RBMDeviceGroup>();
auto backref_manager = create_backref_manager(*cache);
SegmentManagerGroupRef cold_sms = nullptr;
std::vector<SegmentProvider*> segment_providers_by_id{DEVICE_ID_MAX, nullptr};
auto p_backend_type = primary_device->get_backend_type();
if (p_backend_type == backend_type_t::SEGMENTED) {
auto dtype = primary_device->get_device_type();
ceph_assert(dtype != device_type_t::HDD &&
dtype != device_type_t::EPHEMERAL_COLD);
sms->add_segment_manager(static_cast<SegmentManager*>(primary_device));
} else {
auto rbm = std::make_unique<BlockRBManager>(
static_cast<RBMDevice*>(primary_device), "", is_test);
rbs->add_rb_manager(std::move(rbm));
}
for (auto &p_dev : secondary_devices) {
if (p_dev->get_backend_type() == backend_type_t::SEGMENTED) {
if (p_dev->get_device_type() == primary_device->get_device_type()) {
sms->add_segment_manager(static_cast<SegmentManager*>(p_dev));
} else {
if (!cold_sms) {
cold_sms = std::make_unique<SegmentManagerGroup>();
}
cold_sms->add_segment_manager(static_cast<SegmentManager*>(p_dev));
}
} else {
auto rbm = std::make_unique<BlockRBManager>(
static_cast<RBMDevice*>(p_dev), "", is_test);
rbs->add_rb_manager(std::move(rbm));
}
}
auto journal_type = p_backend_type;
device_off_t roll_size;
device_off_t roll_start;
if (journal_type == journal_type_t::SEGMENTED) {
roll_size = static_cast<SegmentManager*>(primary_device)->get_segment_size();
roll_start = 0;
} else {
roll_size = static_cast<random_block_device::RBMDevice*>(primary_device)
->get_journal_size() - primary_device->get_block_size();
// see CircularBoundedJournal::get_records_start()
roll_start = static_cast<random_block_device::RBMDevice*>(primary_device)
->get_shard_journal_start() + primary_device->get_block_size();
ceph_assert_always(roll_size <= DEVICE_OFF_MAX);
ceph_assert_always((std::size_t)roll_size + roll_start <=
primary_device->get_available_size());
}
ceph_assert(roll_size % primary_device->get_block_size() == 0);
ceph_assert(roll_start % primary_device->get_block_size() == 0);
bool cleaner_is_detailed;
SegmentCleaner::config_t cleaner_config;
JournalTrimmerImpl::config_t trimmer_config;
if (is_test) {
cleaner_is_detailed = true;
cleaner_config = SegmentCleaner::config_t::get_test();
trimmer_config = JournalTrimmerImpl::config_t::get_test(
roll_size, journal_type);
} else {
cleaner_is_detailed = false;
cleaner_config = SegmentCleaner::config_t::get_default();
trimmer_config = JournalTrimmerImpl::config_t::get_default(
roll_size, journal_type);
}
auto journal_trimmer = JournalTrimmerImpl::create(
*backref_manager, trimmer_config,
journal_type, roll_start, roll_size);
AsyncCleanerRef cleaner;
JournalRef journal;
SegmentCleanerRef cold_segment_cleaner = nullptr;
if (cold_sms) {
cold_segment_cleaner = SegmentCleaner::create(
cleaner_config,
std::move(cold_sms),
*backref_manager,
epm->get_ool_segment_seq_allocator(),
cleaner_is_detailed,
/* is_cold = */ true);
if (journal_type == journal_type_t::SEGMENTED) {
for (auto id : cold_segment_cleaner->get_device_ids()) {
segment_providers_by_id[id] =
static_cast<SegmentProvider*>(cold_segment_cleaner.get());
}
}
}
if (journal_type == journal_type_t::SEGMENTED) {
cleaner = SegmentCleaner::create(
cleaner_config,
std::move(sms),
*backref_manager,
epm->get_ool_segment_seq_allocator(),
cleaner_is_detailed);
auto segment_cleaner = static_cast<SegmentCleaner*>(cleaner.get());
for (auto id : segment_cleaner->get_device_ids()) {
segment_providers_by_id[id] =
static_cast<SegmentProvider*>(segment_cleaner);
}
segment_cleaner->set_journal_trimmer(*journal_trimmer);
journal = journal::make_segmented(
*segment_cleaner,
*journal_trimmer);
} else {
cleaner = RBMCleaner::create(
std::move(rbs),
*backref_manager,
cleaner_is_detailed);
journal = journal::make_circularbounded(
*journal_trimmer,
static_cast<random_block_device::RBMDevice*>(primary_device),
"");
}
cache->set_segment_providers(std::move(segment_providers_by_id));
epm->init(std::move(journal_trimmer),
std::move(cleaner),
std::move(cold_segment_cleaner));
epm->set_primary_device(primary_device);
return std::make_unique<TransactionManager>(
std::move(journal),
std::move(cache),
std::move(lba_manager),
std::move(epm),
std::move(backref_manager));
}
}
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