1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "journal/JournalPlayer.h"
5 #include "journal/Entry.h"
6 #include "journal/ReplayHandler.h"
7 #include "journal/Utils.h"
9 #define dout_subsys ceph_subsys_journaler
11 #define dout_prefix *_dout << "JournalPlayer: " << this << " "
17 struct C_HandleComplete : public Context {
18 ReplayHandler *replay_handler;
20 explicit C_HandleComplete(ReplayHandler *_replay_handler)
21 : replay_handler(_replay_handler) {
22 replay_handler->get();
24 ~C_HandleComplete() override {
25 replay_handler->put();
27 void finish(int r) override {
28 replay_handler->handle_complete(r);
32 struct C_HandleEntriesAvailable : public Context {
33 ReplayHandler *replay_handler;
35 explicit C_HandleEntriesAvailable(ReplayHandler *_replay_handler)
36 : replay_handler(_replay_handler) {
37 replay_handler->get();
39 ~C_HandleEntriesAvailable() override {
40 replay_handler->put();
42 void finish(int r) override {
43 replay_handler->handle_entries_available();
47 } // anonymous namespace
49 JournalPlayer::JournalPlayer(librados::IoCtx &ioctx,
50 const std::string &object_oid_prefix,
51 const JournalMetadataPtr& journal_metadata,
52 ReplayHandler *replay_handler)
53 : m_cct(NULL), m_object_oid_prefix(object_oid_prefix),
54 m_journal_metadata(journal_metadata), m_replay_handler(replay_handler),
55 m_lock("JournalPlayer::m_lock"), m_state(STATE_INIT), m_splay_offset(0),
56 m_watch_enabled(false), m_watch_scheduled(false), m_watch_interval(0) {
57 m_replay_handler->get();
59 m_cct = reinterpret_cast<CephContext *>(m_ioctx.cct());
61 ObjectSetPosition commit_position;
62 m_journal_metadata->get_commit_position(&commit_position);
64 if (!commit_position.object_positions.empty()) {
65 ldout(m_cct, 5) << "commit position: " << commit_position << dendl;
67 // start replay after the last committed entry's object
68 uint8_t splay_width = m_journal_metadata->get_splay_width();
69 auto &active_position = commit_position.object_positions.front();
70 m_active_tag_tid = active_position.tag_tid;
71 m_commit_position_valid = true;
72 m_commit_position = active_position;
73 m_splay_offset = active_position.object_number % splay_width;
74 for (auto &position : commit_position.object_positions) {
75 uint8_t splay_offset = position.object_number % splay_width;
76 m_commit_positions[splay_offset] = position;
81 JournalPlayer::~JournalPlayer() {
82 assert(m_async_op_tracker.empty());
84 Mutex::Locker locker(m_lock);
86 assert(m_fetch_object_numbers.empty());
87 assert(!m_watch_scheduled);
89 m_replay_handler->put();
92 void JournalPlayer::prefetch() {
93 Mutex::Locker locker(m_lock);
94 assert(m_state == STATE_INIT);
95 m_state = STATE_PREFETCH;
97 m_active_set = m_journal_metadata->get_active_set();
98 uint8_t splay_width = m_journal_metadata->get_splay_width();
99 for (uint8_t splay_offset = 0; splay_offset < splay_width; ++splay_offset) {
100 m_prefetch_splay_offsets.insert(splay_offset);
103 // compute active object for each splay offset (might be before
105 std::map<uint8_t, uint64_t> splay_offset_to_objects;
106 for (auto &position : m_commit_positions) {
107 assert(splay_offset_to_objects.count(position.first) == 0);
108 splay_offset_to_objects[position.first] = position.second.object_number;
111 // prefetch the active object for each splay offset
112 std::set<uint64_t> prefetch_object_numbers;
113 for (uint8_t splay_offset = 0; splay_offset < splay_width; ++splay_offset) {
114 uint64_t object_number = splay_offset;
115 if (splay_offset_to_objects.count(splay_offset) != 0) {
116 object_number = splay_offset_to_objects[splay_offset];
119 prefetch_object_numbers.insert(object_number);
122 ldout(m_cct, 10) << __func__ << ": prefetching "
123 << prefetch_object_numbers.size() << " " << "objects"
125 for (auto object_number : prefetch_object_numbers) {
126 fetch(object_number);
130 void JournalPlayer::prefetch_and_watch(double interval) {
132 Mutex::Locker locker(m_lock);
133 m_watch_enabled = true;
134 m_watch_interval = interval;
135 m_watch_step = WATCH_STEP_FETCH_CURRENT;
140 void JournalPlayer::shut_down(Context *on_finish) {
141 ldout(m_cct, 20) << __func__ << dendl;
142 Mutex::Locker locker(m_lock);
144 assert(!m_shut_down);
146 m_watch_enabled = false;
148 on_finish = utils::create_async_context_callback(
149 m_journal_metadata, on_finish);
151 if (m_watch_scheduled) {
152 ObjectPlayerPtr object_player = get_object_player();
153 switch (m_watch_step) {
154 case WATCH_STEP_FETCH_FIRST:
155 object_player = m_object_players.begin()->second;
157 case WATCH_STEP_FETCH_CURRENT:
158 object_player->unwatch();
160 case WATCH_STEP_ASSERT_ACTIVE:
165 m_async_op_tracker.wait_for_ops(on_finish);
168 bool JournalPlayer::try_pop_front(Entry *entry, uint64_t *commit_tid) {
169 ldout(m_cct, 20) << __func__ << dendl;
170 Mutex::Locker locker(m_lock);
172 if (m_state != STATE_PLAYBACK) {
173 m_handler_notified = false;
177 if (!verify_playback_ready()) {
178 if (!is_object_set_ready()) {
179 m_handler_notified = false;
186 ObjectPlayerPtr object_player = get_object_player();
187 assert(object_player && !object_player->empty());
189 object_player->front(entry);
190 object_player->pop_front();
192 uint64_t last_entry_tid;
193 if (m_journal_metadata->get_last_allocated_entry_tid(
194 entry->get_tag_tid(), &last_entry_tid) &&
195 entry->get_entry_tid() != last_entry_tid + 1) {
196 lderr(m_cct) << "missing prior journal entry: " << *entry << dendl;
198 m_state = STATE_ERROR;
199 notify_complete(-ENOMSG);
203 advance_splay_object();
204 remove_empty_object_player(object_player);
206 m_journal_metadata->reserve_entry_tid(entry->get_tag_tid(),
207 entry->get_entry_tid());
208 *commit_tid = m_journal_metadata->allocate_commit_tid(
209 object_player->get_object_number(), entry->get_tag_tid(),
210 entry->get_entry_tid());
214 void JournalPlayer::process_state(uint64_t object_number, int r) {
215 ldout(m_cct, 10) << __func__ << ": object_num=" << object_number << ", "
216 << "r=" << r << dendl;
218 assert(m_lock.is_locked());
222 ldout(m_cct, 10) << "PREFETCH" << dendl;
223 r = process_prefetch(object_number);
226 ldout(m_cct, 10) << "PLAYBACK" << dendl;
227 r = process_playback(object_number);
230 ldout(m_cct, 10) << "ERROR" << dendl;
233 lderr(m_cct) << "UNEXPECTED STATE (" << m_state << ")" << dendl;
240 m_state = STATE_ERROR;
245 int JournalPlayer::process_prefetch(uint64_t object_number) {
246 ldout(m_cct, 10) << __func__ << ": object_num=" << object_number << dendl;
247 assert(m_lock.is_locked());
249 uint8_t splay_width = m_journal_metadata->get_splay_width();
250 uint8_t splay_offset = object_number % splay_width;
252 PrefetchSplayOffsets::iterator it = m_prefetch_splay_offsets.find(
254 if (it == m_prefetch_splay_offsets.end()) {
258 bool prefetch_complete = false;
259 assert(m_object_players.count(splay_offset) == 1);
260 ObjectPlayerPtr object_player = m_object_players[splay_offset];
262 // prefetch in-order since a newer splay object could prefetch first
263 if (m_fetch_object_numbers.count(object_player->get_object_number()) == 0) {
264 // skip past known committed records
265 if (m_commit_positions.count(splay_offset) != 0 &&
266 !object_player->empty()) {
267 ObjectPosition &position = m_commit_positions[splay_offset];
269 ldout(m_cct, 15) << "seeking known commit position " << position << " in "
270 << object_player->get_oid() << dendl;
272 bool found_commit = false;
274 while (!object_player->empty()) {
275 object_player->front(&entry);
277 if (entry.get_tag_tid() == position.tag_tid &&
278 entry.get_entry_tid() == position.entry_tid) {
280 } else if (found_commit) {
281 ldout(m_cct, 10) << "located next uncommitted entry: " << entry
286 ldout(m_cct, 20) << "skipping committed entry: " << entry << dendl;
287 m_journal_metadata->reserve_entry_tid(entry.get_tag_tid(),
288 entry.get_entry_tid());
289 object_player->pop_front();
292 // do not search for commit position for this object
293 // if we've already seen it
295 m_commit_positions.erase(splay_offset);
299 // if the object is empty, pre-fetch the next splay object
300 if (object_player->empty() && object_player->refetch_required()) {
301 ldout(m_cct, 10) << "refetching potentially partially decoded object"
303 object_player->set_refetch_state(ObjectPlayer::REFETCH_STATE_NONE);
304 fetch(object_player);
305 } else if (!remove_empty_object_player(object_player)) {
306 ldout(m_cct, 10) << "prefetch of object complete" << dendl;
307 prefetch_complete = true;
311 if (!prefetch_complete) {
315 m_prefetch_splay_offsets.erase(it);
316 if (!m_prefetch_splay_offsets.empty()) {
320 ldout(m_cct, 10) << "switching to playback mode" << dendl;
321 m_state = STATE_PLAYBACK;
323 // if we have a valid commit position, our read should start with
324 // the next consistent journal entry in the sequence
325 if (m_commit_position_valid) {
326 splay_offset = m_commit_position.object_number % splay_width;
327 object_player = m_object_players[splay_offset];
329 if (object_player->empty()) {
330 if (!object_player->refetch_required()) {
331 advance_splay_object();
335 object_player->front(&entry);
336 if (entry.get_tag_tid() == m_commit_position.tag_tid) {
337 advance_splay_object();
342 if (verify_playback_ready()) {
343 notify_entries_available();
344 } else if (is_object_set_ready()) {
350 int JournalPlayer::process_playback(uint64_t object_number) {
351 ldout(m_cct, 10) << __func__ << ": object_num=" << object_number << dendl;
352 assert(m_lock.is_locked());
354 if (verify_playback_ready()) {
355 notify_entries_available();
356 } else if (is_object_set_ready()) {
362 bool JournalPlayer::is_object_set_ready() const {
363 assert(m_lock.is_locked());
364 if (m_watch_scheduled || !m_fetch_object_numbers.empty()) {
365 ldout(m_cct, 20) << __func__ << ": waiting for in-flight fetch" << dendl;
372 bool JournalPlayer::verify_playback_ready() {
373 assert(m_lock.is_locked());
376 if (!is_object_set_ready()) {
377 ldout(m_cct, 10) << __func__ << ": waiting for full object set" << dendl;
381 ObjectPlayerPtr object_player = get_object_player();
382 assert(object_player);
383 uint64_t object_num = object_player->get_object_number();
385 // Verify is the active object player has another entry available
387 // NOTE: replay currently does not check tag class to playback multiple tags
388 // from different classes (issue #14909). When a new tag is discovered, it
389 // is assumed that the previous tag was closed at the last replayable entry.
391 if (!object_player->empty()) {
392 m_watch_prune_active_tag = false;
393 object_player->front(&entry);
395 if (!m_active_tag_tid) {
396 ldout(m_cct, 10) << __func__ << ": "
397 << "object_num=" << object_num << ", "
398 << "initial tag=" << entry.get_tag_tid()
400 m_active_tag_tid = entry.get_tag_tid();
402 } else if (entry.get_tag_tid() < *m_active_tag_tid ||
403 (m_prune_tag_tid && entry.get_tag_tid() <= *m_prune_tag_tid)) {
404 // entry occurred before the current active tag
405 ldout(m_cct, 10) << __func__ << ": detected stale entry: "
406 << "object_num=" << object_num << ", "
407 << "entry=" << entry << dendl;
408 prune_tag(entry.get_tag_tid());
410 } else if (entry.get_tag_tid() > *m_active_tag_tid) {
411 // new tag at current playback position -- implies that previous
412 // tag ended abruptly without flushing out all records
413 // search for the start record for the next tag
414 ldout(m_cct, 10) << __func__ << ": new tag detected: "
415 << "object_num=" << object_num << ", "
416 << "active_tag=" << *m_active_tag_tid << ", "
417 << "new_tag=" << entry.get_tag_tid() << dendl;
418 if (entry.get_entry_tid() == 0) {
419 // first entry in new tag -- can promote to active
420 prune_active_tag(entry.get_tag_tid());
423 // prune current active and wait for initial entry for new tag
424 prune_active_tag(boost::none);
428 ldout(m_cct, 20) << __func__ << ": "
429 << "object_num=" << object_num << ", "
430 << "entry: " << entry << dendl;
431 assert(entry.get_tag_tid() == *m_active_tag_tid);
435 if (!m_active_tag_tid) {
436 // waiting for our first entry
437 ldout(m_cct, 10) << __func__ << ": waiting for first entry: "
438 << "object_num=" << object_num << dendl;
440 } else if (m_prune_tag_tid && *m_prune_tag_tid == *m_active_tag_tid) {
441 ldout(m_cct, 10) << __func__ << ": no more entries" << dendl;
443 } else if (m_watch_enabled && m_watch_prune_active_tag) {
444 // detected current tag is now longer active and we have re-read the
445 // current object but it's still empty, so this tag is done
446 ldout(m_cct, 10) << __func__ << ": assuming no more in-sequence entries: "
447 << "object_num=" << object_num << ", "
448 << "active_tag " << *m_active_tag_tid << dendl;
449 prune_active_tag(boost::none);
451 } else if (object_player->refetch_required()) {
452 // if the active object requires a refetch, don't proceed looking for a
453 // new tag before this process completes
454 ldout(m_cct, 10) << __func__ << ": refetch required: "
455 << "object_num=" << object_num << dendl;
457 } else if (!m_watch_enabled) {
458 // current playback position is empty so this tag is done
459 ldout(m_cct, 10) << __func__ << ": no more in-sequence entries: "
460 << "object_num=" << object_num << ", "
461 << "active_tag=" << *m_active_tag_tid << dendl;
462 prune_active_tag(boost::none);
464 } else if (!m_watch_scheduled) {
465 // no more entries and we don't have an active watch in-progress
466 ldout(m_cct, 10) << __func__ << ": no more entries -- watch required"
475 void JournalPlayer::prune_tag(uint64_t tag_tid) {
476 assert(m_lock.is_locked());
477 ldout(m_cct, 10) << __func__ << ": pruning remaining entries for tag "
480 // prune records that are at or below the largest prune tag tid
481 if (!m_prune_tag_tid || *m_prune_tag_tid < tag_tid) {
482 m_prune_tag_tid = tag_tid;
486 for (auto &player_pair : m_object_players) {
487 ObjectPlayerPtr object_player(player_pair.second);
488 ldout(m_cct, 15) << __func__ << ": checking " << object_player->get_oid()
490 while (!object_player->empty()) {
492 object_player->front(&entry);
493 if (entry.get_tag_tid() == tag_tid) {
494 ldout(m_cct, 20) << __func__ << ": pruned " << entry << dendl;
495 object_player->pop_front();
503 // avoid watch delay when pruning stale tags from journal objects
505 ldout(m_cct, 15) << __func__ << ": reseting refetch state to immediate"
507 for (auto &player_pair : m_object_players) {
508 ObjectPlayerPtr object_player(player_pair.second);
509 object_player->set_refetch_state(ObjectPlayer::REFETCH_STATE_IMMEDIATE);
513 // trim empty player to prefetch the next available object
514 for (auto &player_pair : m_object_players) {
515 remove_empty_object_player(player_pair.second);
519 void JournalPlayer::prune_active_tag(const boost::optional<uint64_t>& tag_tid) {
520 assert(m_lock.is_locked());
521 assert(m_active_tag_tid);
523 uint64_t active_tag_tid = *m_active_tag_tid;
525 m_active_tag_tid = tag_tid;
528 m_watch_step = WATCH_STEP_FETCH_CURRENT;
530 prune_tag(active_tag_tid);
533 ObjectPlayerPtr JournalPlayer::get_object_player() const {
534 assert(m_lock.is_locked());
536 SplayedObjectPlayers::const_iterator it = m_object_players.find(
538 assert(it != m_object_players.end());
542 ObjectPlayerPtr JournalPlayer::get_object_player(uint64_t object_number) const {
543 assert(m_lock.is_locked());
545 uint8_t splay_width = m_journal_metadata->get_splay_width();
546 uint8_t splay_offset = object_number % splay_width;
547 auto splay_it = m_object_players.find(splay_offset);
548 assert(splay_it != m_object_players.end());
550 ObjectPlayerPtr object_player = splay_it->second;
551 assert(object_player->get_object_number() == object_number);
552 return object_player;
555 void JournalPlayer::advance_splay_object() {
556 assert(m_lock.is_locked());
558 m_splay_offset %= m_journal_metadata->get_splay_width();
559 m_watch_step = WATCH_STEP_FETCH_CURRENT;
560 ldout(m_cct, 20) << __func__ << ": new offset "
561 << static_cast<uint32_t>(m_splay_offset) << dendl;
564 bool JournalPlayer::remove_empty_object_player(const ObjectPlayerPtr &player) {
565 assert(m_lock.is_locked());
566 assert(!m_watch_scheduled);
568 uint8_t splay_width = m_journal_metadata->get_splay_width();
569 uint64_t object_set = player->get_object_number() / splay_width;
570 uint64_t active_set = m_journal_metadata->get_active_set();
571 if (!player->empty() || object_set == active_set) {
573 } else if (player->refetch_required()) {
574 ldout(m_cct, 20) << __func__ << ": " << player->get_oid() << " requires "
575 << "a refetch" << dendl;
577 } else if (m_active_set != active_set) {
578 ldout(m_cct, 20) << __func__ << ": new active set detected, all players "
579 << "require refetch" << dendl;
580 m_active_set = active_set;
581 for (auto &pair : m_object_players) {
582 pair.second->set_refetch_state(ObjectPlayer::REFETCH_STATE_IMMEDIATE);
587 ldout(m_cct, 15) << __func__ << ": " << player->get_oid() << " empty"
590 m_watch_prune_active_tag = false;
591 m_watch_step = WATCH_STEP_FETCH_CURRENT;
593 uint64_t next_object_num = player->get_object_number() + splay_width;
594 fetch(next_object_num);
598 void JournalPlayer::fetch(uint64_t object_num) {
599 assert(m_lock.is_locked());
601 ObjectPlayerPtr object_player(new ObjectPlayer(
602 m_ioctx, m_object_oid_prefix, object_num, m_journal_metadata->get_timer(),
603 m_journal_metadata->get_timer_lock(), m_journal_metadata->get_order(),
604 m_journal_metadata->get_settings().max_fetch_bytes));
606 uint8_t splay_width = m_journal_metadata->get_splay_width();
607 m_object_players[object_num % splay_width] = object_player;
608 fetch(object_player);
611 void JournalPlayer::fetch(const ObjectPlayerPtr &object_player) {
612 assert(m_lock.is_locked());
614 uint64_t object_num = object_player->get_object_number();
615 std::string oid = utils::get_object_name(m_object_oid_prefix, object_num);
616 assert(m_fetch_object_numbers.count(object_num) == 0);
617 m_fetch_object_numbers.insert(object_num);
619 ldout(m_cct, 10) << __func__ << ": " << oid << dendl;
620 C_Fetch *fetch_ctx = new C_Fetch(this, object_num);
622 object_player->fetch(fetch_ctx);
625 void JournalPlayer::handle_fetched(uint64_t object_num, int r) {
626 ldout(m_cct, 10) << __func__ << ": "
627 << utils::get_object_name(m_object_oid_prefix, object_num)
628 << ": r=" << r << dendl;
630 Mutex::Locker locker(m_lock);
631 assert(m_fetch_object_numbers.count(object_num) == 1);
632 m_fetch_object_numbers.erase(object_num);
639 ObjectPlayerPtr object_player = get_object_player(object_num);
640 remove_empty_object_player(object_player);
642 process_state(object_num, r);
645 void JournalPlayer::refetch(bool immediate) {
646 ldout(m_cct, 10) << __func__ << dendl;
647 assert(m_lock.is_locked());
648 m_handler_notified = false;
650 // if watching the object, handle the periodic re-fetch
651 if (m_watch_enabled) {
652 schedule_watch(immediate);
656 ObjectPlayerPtr object_player = get_object_player();
657 if (object_player->refetch_required()) {
658 object_player->set_refetch_state(ObjectPlayer::REFETCH_STATE_NONE);
659 fetch(object_player);
666 void JournalPlayer::schedule_watch(bool immediate) {
667 ldout(m_cct, 10) << __func__ << dendl;
668 assert(m_lock.is_locked());
669 if (m_watch_scheduled) {
673 m_watch_scheduled = true;
675 if (m_watch_step == WATCH_STEP_ASSERT_ACTIVE) {
676 // detect if a new tag has been created in case we are blocked
677 // by an incomplete tag sequence
678 ldout(m_cct, 20) << __func__ << ": asserting active tag="
679 << *m_active_tag_tid << dendl;
681 m_async_op_tracker.start_op();
682 FunctionContext *ctx = new FunctionContext([this](int r) {
683 handle_watch_assert_active(r);
685 m_journal_metadata->assert_active_tag(*m_active_tag_tid, ctx);
689 ObjectPlayerPtr object_player;
690 double watch_interval = m_watch_interval;
692 switch (m_watch_step) {
693 case WATCH_STEP_FETCH_CURRENT:
695 object_player = get_object_player();
697 uint8_t splay_width = m_journal_metadata->get_splay_width();
698 uint64_t active_set = m_journal_metadata->get_active_set();
699 uint64_t object_set = object_player->get_object_number() / splay_width;
701 (object_player->get_refetch_state() ==
702 ObjectPlayer::REFETCH_STATE_IMMEDIATE) ||
703 (object_set < active_set && object_player->refetch_required())) {
704 ldout(m_cct, 20) << __func__ << ": immediately refetching "
705 << object_player->get_oid()
707 object_player->set_refetch_state(ObjectPlayer::REFETCH_STATE_NONE);
712 case WATCH_STEP_FETCH_FIRST:
713 object_player = m_object_players.begin()->second;
720 ldout(m_cct, 20) << __func__ << ": scheduling watch on "
721 << object_player->get_oid() << dendl;
722 Context *ctx = utils::create_async_context_callback(
723 m_journal_metadata, new C_Watch(this, object_player->get_object_number()));
724 object_player->watch(ctx, watch_interval);
727 void JournalPlayer::handle_watch(uint64_t object_num, int r) {
728 ldout(m_cct, 10) << __func__ << ": r=" << r << dendl;
729 Mutex::Locker locker(m_lock);
730 assert(m_watch_scheduled);
731 m_watch_scheduled = false;
733 if (m_shut_down || r == -ECANCELED) {
734 // unwatch of object player(s)
738 ObjectPlayerPtr object_player = get_object_player(object_num);
739 if (r == 0 && object_player->empty()) {
740 // possibly need to prune this empty object player if we've
741 // already fetched it after the active set was advanced with no
743 remove_empty_object_player(object_player);
746 // determine what object to query on next watch schedule tick
747 uint8_t splay_width = m_journal_metadata->get_splay_width();
748 if (m_watch_step == WATCH_STEP_FETCH_CURRENT &&
749 object_player->get_object_number() % splay_width != 0) {
750 m_watch_step = WATCH_STEP_FETCH_FIRST;
751 } else if (m_active_tag_tid) {
752 m_watch_step = WATCH_STEP_ASSERT_ACTIVE;
754 m_watch_step = WATCH_STEP_FETCH_CURRENT;
757 process_state(object_num, r);
760 void JournalPlayer::handle_watch_assert_active(int r) {
761 ldout(m_cct, 10) << __func__ << ": r=" << r << dendl;
763 Mutex::Locker locker(m_lock);
764 assert(m_watch_scheduled);
765 m_watch_scheduled = false;
768 // newer tag exists -- since we are at this step in the watch sequence,
769 // we know we can prune the active tag if watch fails again
770 ldout(m_cct, 10) << __func__ << ": tag " << *m_active_tag_tid << " "
771 << "no longer active" << dendl;
772 m_watch_prune_active_tag = true;
775 m_watch_step = WATCH_STEP_FETCH_CURRENT;
776 if (!m_shut_down && m_watch_enabled) {
777 schedule_watch(false);
779 m_async_op_tracker.finish_op();
782 void JournalPlayer::notify_entries_available() {
783 assert(m_lock.is_locked());
784 if (m_handler_notified) {
787 m_handler_notified = true;
789 ldout(m_cct, 10) << __func__ << ": entries available" << dendl;
790 m_journal_metadata->queue(new C_HandleEntriesAvailable(
791 m_replay_handler), 0);
794 void JournalPlayer::notify_complete(int r) {
795 assert(m_lock.is_locked());
796 m_handler_notified = true;
798 ldout(m_cct, 10) << __func__ << ": replay complete: r=" << r << dendl;
799 m_journal_metadata->queue(new C_HandleComplete(
800 m_replay_handler), r);
803 } // namespace journal