1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
7 * Copyright (C) 2013,2014 Cloudwatt <libre.licensing@cloudwatt.com>
9 * Author: Loic Dachary <loic@dachary.org>
11 * This is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License version 2.1, as published by the Free Software
14 * Foundation. See file COPYING.
18 #include "boost/tuple/tuple.hpp"
19 #include "boost/intrusive_ptr.hpp"
21 #include "PrimaryLogPG.h"
23 #include "OpRequest.h"
24 #include "ScrubStore.h"
26 #include "objclass/objclass.h"
28 #include "common/errno.h"
29 #include "common/scrub_types.h"
30 #include "common/perf_counters.h"
32 #include "messages/MOSDOp.h"
33 #include "messages/MOSDBackoff.h"
34 #include "messages/MOSDSubOp.h"
35 #include "messages/MOSDSubOpReply.h"
36 #include "messages/MOSDPGTrim.h"
37 #include "messages/MOSDPGScan.h"
38 #include "messages/MOSDRepScrub.h"
39 #include "messages/MOSDPGBackfill.h"
40 #include "messages/MOSDPGBackfillRemove.h"
41 #include "messages/MOSDPGUpdateLogMissing.h"
42 #include "messages/MOSDPGUpdateLogMissingReply.h"
43 #include "messages/MCommandReply.h"
44 #include "messages/MOSDScrubReserve.h"
45 #include "mds/inode_backtrace.h" // Ugh
46 #include "common/EventTrace.h"
48 #include "common/config.h"
49 #include "include/compat.h"
50 #include "mon/MonClient.h"
51 #include "osdc/Objecter.h"
52 #include "json_spirit/json_spirit_value.h"
53 #include "json_spirit/json_spirit_reader.h"
54 #include "include/assert.h" // json_spirit clobbers it
55 #include "include/rados/rados_types.hpp"
58 #include "tracing/osd.h"
60 #define tracepoint(...)
63 #define dout_context cct
64 #define dout_subsys ceph_subsys_osd
65 #define DOUT_PREFIX_ARGS this, osd->whoami, get_osdmap()
67 #define dout_prefix _prefix(_dout, this)
69 static ostream
& _prefix(std::ostream
*_dout
, T
*pg
) {
70 return *_dout
<< pg
->gen_prefix();
79 MEMPOOL_DEFINE_OBJECT_FACTORY(PrimaryLogPG
, replicatedpg
, osd
);
81 PGLSFilter::PGLSFilter() : cct(nullptr)
85 PGLSFilter::~PGLSFilter()
89 struct PrimaryLogPG::C_OSD_OnApplied
: Context
{
97 : pg(pg
), epoch(epoch
), v(v
) {}
98 void finish(int) override
{
100 if (!pg
->pg_has_reset_since(epoch
))
107 * The CopyCallback class defines an interface for completions to the
108 * copy_start code. Users of the copy infrastructure must implement
109 * one and give an instance of the class to start_copy.
111 * The implementer is responsible for making sure that the CopyCallback
112 * can associate itself with the correct copy operation.
114 class PrimaryLogPG::CopyCallback
: public GenContext
<CopyCallbackResults
> {
118 * results.get<0>() is the return code: 0 for success; -ECANCELED if
119 * the operation was cancelled by the local OSD; -errno for other issues.
120 * results.get<1>() is a pointer to a CopyResults object, which you are
121 * responsible for deleting.
123 void finish(CopyCallbackResults results_
) override
= 0;
126 /// Provide the final size of the copied object to the CopyCallback
127 ~CopyCallback() override
{}
130 template <typename T
>
131 class PrimaryLogPG::BlessedGenContext
: public GenContext
<T
> {
133 unique_ptr
<GenContext
<T
>> c
;
136 BlessedGenContext(PrimaryLogPG
*pg
, GenContext
<T
> *c
, epoch_t e
)
137 : pg(pg
), c(c
), e(e
) {}
138 void finish(T t
) override
{
140 if (pg
->pg_has_reset_since(e
))
143 c
.release()->complete(t
);
148 GenContext
<ThreadPool::TPHandle
&> *PrimaryLogPG::bless_gencontext(
149 GenContext
<ThreadPool::TPHandle
&> *c
) {
150 return new BlessedGenContext
<ThreadPool::TPHandle
&>(
151 this, c
, get_osdmap()->get_epoch());
154 class PrimaryLogPG::BlessedContext
: public Context
{
156 unique_ptr
<Context
> c
;
159 BlessedContext(PrimaryLogPG
*pg
, Context
*c
, epoch_t e
)
160 : pg(pg
), c(c
), e(e
) {}
161 void finish(int r
) override
{
163 if (pg
->pg_has_reset_since(e
))
166 c
.release()->complete(r
);
172 Context
*PrimaryLogPG::bless_context(Context
*c
) {
173 return new BlessedContext(this, c
, get_osdmap()->get_epoch());
176 class PrimaryLogPG::C_PG_ObjectContext
: public Context
{
180 C_PG_ObjectContext(PrimaryLogPG
*p
, ObjectContext
*o
) :
182 void finish(int r
) override
{
183 pg
->object_context_destructor_callback(obc
);
187 class PrimaryLogPG::C_OSD_OndiskWriteUnlock
: public Context
{
188 ObjectContextRef obc
, obc2
, obc3
;
190 C_OSD_OndiskWriteUnlock(
192 ObjectContextRef o2
= ObjectContextRef(),
193 ObjectContextRef o3
= ObjectContextRef()) : obc(o
), obc2(o2
), obc3(o3
) {}
194 void finish(int r
) override
{
195 obc
->ondisk_write_unlock();
197 obc2
->ondisk_write_unlock();
199 obc3
->ondisk_write_unlock();
203 struct OnReadComplete
: public Context
{
205 PrimaryLogPG::OpContext
*opcontext
;
208 PrimaryLogPG::OpContext
*ctx
) : pg(pg
), opcontext(ctx
) {}
209 void finish(int r
) override
{
210 opcontext
->finish_read(pg
);
212 ~OnReadComplete() override
{}
215 class PrimaryLogPG::C_OSD_AppliedRecoveredObject
: public Context
{
217 ObjectContextRef obc
;
219 C_OSD_AppliedRecoveredObject(PrimaryLogPG
*p
, ObjectContextRef o
) :
221 void finish(int r
) override
{
222 pg
->_applied_recovered_object(obc
);
226 class PrimaryLogPG::C_OSD_CommittedPushedObject
: public Context
{
229 eversion_t last_complete
;
231 C_OSD_CommittedPushedObject(
232 PrimaryLogPG
*p
, epoch_t epoch
, eversion_t lc
) :
233 pg(p
), epoch(epoch
), last_complete(lc
) {
235 void finish(int r
) override
{
236 pg
->_committed_pushed_object(epoch
, last_complete
);
240 class PrimaryLogPG::C_OSD_AppliedRecoveredObjectReplica
: public Context
{
243 explicit C_OSD_AppliedRecoveredObjectReplica(PrimaryLogPG
*p
) :
245 void finish(int r
) override
{
246 pg
->_applied_recovered_object_replica();
251 void PrimaryLogPG::OpContext::start_async_reads(PrimaryLogPG
*pg
)
254 list
<pair
<boost::tuple
<uint64_t, uint64_t, unsigned>,
255 pair
<bufferlist
*, Context
*> > > in
;
256 in
.swap(pending_async_reads
);
257 pg
->pgbackend
->objects_read_async(
260 new OnReadComplete(pg
, this), pg
->get_pool().fast_read
);
262 void PrimaryLogPG::OpContext::finish_read(PrimaryLogPG
*pg
)
264 assert(inflightreads
> 0);
266 if (async_reads_complete()) {
267 assert(pg
->in_progress_async_reads
.size());
268 assert(pg
->in_progress_async_reads
.front().second
== this);
269 pg
->in_progress_async_reads
.pop_front();
271 // Restart the op context now that all reads have been
272 // completed. Read failures will be handled by the op finisher
273 pg
->execute_ctx(this);
277 class CopyFromCallback
: public PrimaryLogPG::CopyCallback
{
279 PrimaryLogPG::CopyResults
*results
= nullptr;
280 PrimaryLogPG::OpContext
*ctx
;
283 CopyFromCallback(PrimaryLogPG::OpContext
*ctx
, OSDOp
&osd_op
)
284 : ctx(ctx
), osd_op(osd_op
) {
286 ~CopyFromCallback() override
{}
288 void finish(PrimaryLogPG::CopyCallbackResults results_
) override
{
289 results
= results_
.get
<1>();
290 int r
= results_
.get
<0>();
292 // for finish_copyfrom
293 ctx
->user_at_version
= results
->user_version
;
296 ctx
->pg
->execute_ctx(ctx
);
298 if (r
!= -ECANCELED
) { // on cancel just toss it out; client resends
300 ctx
->pg
->osd
->reply_op_error(ctx
->op
, r
);
301 } else if (results
->should_requeue
) {
303 ctx
->pg
->requeue_op(ctx
->op
);
305 ctx
->pg
->close_op_ctx(ctx
);
309 bool is_temp_obj_used() {
310 return results
->started_temp_obj
;
312 uint64_t get_data_size() {
313 return results
->object_size
;
317 struct CopyFromFinisher
: public PrimaryLogPG::OpFinisher
{
318 CopyFromCallback
*copy_from_callback
;
320 CopyFromFinisher(CopyFromCallback
*copy_from_callback
)
321 : copy_from_callback(copy_from_callback
) {
324 int execute() override
{
325 // instance will be destructed after this method completes
326 copy_from_callback
->ctx
->pg
->finish_copyfrom(copy_from_callback
);
331 // ======================
332 // PGBackend::Listener
334 void PrimaryLogPG::on_local_recover(
335 const hobject_t
&hoid
,
336 const ObjectRecoveryInfo
&_recovery_info
,
337 ObjectContextRef obc
,
339 ObjectStore::Transaction
*t
342 dout(10) << __func__
<< ": " << hoid
<< dendl
;
344 ObjectRecoveryInfo
recovery_info(_recovery_info
);
345 clear_object_snap_mapping(t
, hoid
);
346 if (!is_delete
&& recovery_info
.soid
.is_snap()) {
347 OSDriver::OSTransaction
_t(osdriver
.get_transaction(t
));
349 dout(20) << " snapset " << recovery_info
.ss
350 << " legacy_snaps " << recovery_info
.oi
.legacy_snaps
<< dendl
;
351 if (recovery_info
.ss
.is_legacy() ||
352 recovery_info
.ss
.seq
== 0 /* jewel osd doesn't populate this */) {
353 assert(recovery_info
.oi
.legacy_snaps
.size());
354 snaps
.insert(recovery_info
.oi
.legacy_snaps
.begin(),
355 recovery_info
.oi
.legacy_snaps
.end());
357 auto p
= recovery_info
.ss
.clone_snaps
.find(hoid
.snap
);
358 assert(p
!= recovery_info
.ss
.clone_snaps
.end()); // hmm, should we warn?
359 snaps
.insert(p
->second
.begin(), p
->second
.end());
361 dout(20) << " snaps " << snaps
<< dendl
;
367 if (!is_delete
&& pg_log
.get_missing().is_missing(recovery_info
.soid
) &&
368 pg_log
.get_missing().get_items().find(recovery_info
.soid
)->second
.need
> recovery_info
.version
) {
369 assert(is_primary());
370 const pg_log_entry_t
*latest
= pg_log
.get_log().objects
.find(recovery_info
.soid
)->second
;
371 if (latest
->op
== pg_log_entry_t::LOST_REVERT
&&
372 latest
->reverting_to
== recovery_info
.version
) {
373 dout(10) << " got old revert version " << recovery_info
.version
374 << " for " << *latest
<< dendl
;
375 recovery_info
.version
= latest
->version
;
376 // update the attr to the revert event version
377 recovery_info
.oi
.prior_version
= recovery_info
.oi
.version
;
378 recovery_info
.oi
.version
= latest
->version
;
380 ::encode(recovery_info
.oi
, bl
,
381 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
382 assert(!pool
.info
.require_rollback());
383 t
->setattr(coll
, ghobject_t(recovery_info
.soid
), OI_ATTR
, bl
);
385 obc
->attr_cache
[OI_ATTR
] = bl
;
389 // keep track of active pushes for scrub
392 if (recovery_info
.version
> pg_log
.get_can_rollback_to()) {
393 /* This can only happen during a repair, and even then, it would
394 * be one heck of a race. If we are repairing the object, the
395 * write in question must be fully committed, so it's not valid
396 * to roll it back anyway (and we'll be rolled forward shortly
398 PGLogEntryHandler h
{this, t
};
399 pg_log
.roll_forward_to(recovery_info
.version
, &h
);
401 recover_got(recovery_info
.soid
, recovery_info
.version
);
405 obc
->obs
.exists
= true;
406 obc
->ondisk_write_lock();
408 bool got
= obc
->get_recovery_read();
411 assert(recovering
.count(obc
->obs
.oi
.soid
));
412 recovering
[obc
->obs
.oi
.soid
] = obc
;
413 obc
->obs
.oi
= recovery_info
.oi
; // may have been updated above
414 t
->register_on_applied_sync(new C_OSD_OndiskWriteUnlock(obc
));
417 t
->register_on_applied(new C_OSD_AppliedRecoveredObject(this, obc
));
419 publish_stats_to_osd();
420 assert(missing_loc
.needs_recovery(hoid
));
422 missing_loc
.add_location(hoid
, pg_whoami
);
423 release_backoffs(hoid
);
424 if (!is_unreadable_object(hoid
)) {
425 auto unreadable_object_entry
= waiting_for_unreadable_object
.find(hoid
);
426 if (unreadable_object_entry
!= waiting_for_unreadable_object
.end()) {
427 dout(20) << " kicking unreadable waiters on " << hoid
<< dendl
;
428 requeue_ops(unreadable_object_entry
->second
);
429 waiting_for_unreadable_object
.erase(unreadable_object_entry
);
433 t
->register_on_applied(
434 new C_OSD_AppliedRecoveredObjectReplica(this));
438 t
->register_on_commit(
439 new C_OSD_CommittedPushedObject(
441 get_osdmap()->get_epoch(),
442 info
.last_complete
));
449 void PrimaryLogPG::on_global_recover(
450 const hobject_t
&soid
,
451 const object_stat_sum_t
&stat_diff
,
454 info
.stats
.stats
.sum
.add(stat_diff
);
455 missing_loc
.recovered(soid
);
456 publish_stats_to_osd();
457 dout(10) << "pushed " << soid
<< " to all replicas" << dendl
;
458 map
<hobject_t
, ObjectContextRef
>::iterator i
= recovering
.find(soid
);
459 assert(i
!= recovering
.end());
462 // recover missing won't have had an obc, but it gets filled in
463 // during on_local_recover
465 list
<OpRequestRef
> requeue_list
;
466 i
->second
->drop_recovery_read(&requeue_list
);
467 requeue_ops(requeue_list
);
470 backfills_in_flight
.erase(soid
);
473 finish_recovery_op(soid
);
474 release_backoffs(soid
);
475 auto degraded_object_entry
= waiting_for_degraded_object
.find(soid
);
476 if (degraded_object_entry
!= waiting_for_degraded_object
.end()) {
477 dout(20) << " kicking degraded waiters on " << soid
<< dendl
;
478 requeue_ops(degraded_object_entry
->second
);
479 waiting_for_degraded_object
.erase(degraded_object_entry
);
481 auto unreadable_object_entry
= waiting_for_unreadable_object
.find(soid
);
482 if (unreadable_object_entry
!= waiting_for_unreadable_object
.end()) {
483 dout(20) << " kicking unreadable waiters on " << soid
<< dendl
;
484 requeue_ops(unreadable_object_entry
->second
);
485 waiting_for_unreadable_object
.erase(unreadable_object_entry
);
487 finish_degraded_object(soid
);
490 void PrimaryLogPG::on_peer_recover(
492 const hobject_t
&soid
,
493 const ObjectRecoveryInfo
&recovery_info
)
495 publish_stats_to_osd();
497 peer_missing
[peer
].got(soid
, recovery_info
.version
);
500 void PrimaryLogPG::begin_peer_recover(
502 const hobject_t soid
)
504 peer_missing
[peer
].revise_have(soid
, eversion_t());
507 void PrimaryLogPG::schedule_recovery_work(
508 GenContext
<ThreadPool::TPHandle
&> *c
)
510 osd
->recovery_gen_wq
.queue(c
);
513 void PrimaryLogPG::send_message_osd_cluster(
514 int peer
, Message
*m
, epoch_t from_epoch
)
516 osd
->send_message_osd_cluster(peer
, m
, from_epoch
);
519 void PrimaryLogPG::send_message_osd_cluster(
520 Message
*m
, Connection
*con
)
522 osd
->send_message_osd_cluster(m
, con
);
525 void PrimaryLogPG::send_message_osd_cluster(
526 Message
*m
, const ConnectionRef
& con
)
528 osd
->send_message_osd_cluster(m
, con
);
531 void PrimaryLogPG::on_primary_error(
532 const hobject_t
&oid
,
535 dout(0) << __func__
<< ": oid " << oid
<< " version " << v
<< dendl
;
537 primary_error(oid
, v
);
538 backfill_add_missing(oid
, v
);
541 void PrimaryLogPG::backfill_add_missing(
542 const hobject_t
&oid
,
545 dout(0) << __func__
<< ": oid " << oid
<< " version " << v
<< dendl
;
546 backfills_in_flight
.erase(oid
);
547 missing_loc
.add_missing(oid
, v
, eversion_t());
550 ConnectionRef
PrimaryLogPG::get_con_osd_cluster(
551 int peer
, epoch_t from_epoch
)
553 return osd
->get_con_osd_cluster(peer
, from_epoch
);
556 PerfCounters
*PrimaryLogPG::get_logger()
562 // ====================
565 bool PrimaryLogPG::is_missing_object(const hobject_t
& soid
) const
567 return pg_log
.get_missing().get_items().count(soid
);
570 void PrimaryLogPG::maybe_kick_recovery(
571 const hobject_t
&soid
)
574 if (!missing_loc
.needs_recovery(soid
, &v
))
577 map
<hobject_t
, ObjectContextRef
>::const_iterator p
= recovering
.find(soid
);
578 if (p
!= recovering
.end()) {
579 dout(7) << "object " << soid
<< " v " << v
<< ", already recovering." << dendl
;
580 } else if (missing_loc
.is_unfound(soid
)) {
581 dout(7) << "object " << soid
<< " v " << v
<< ", is unfound." << dendl
;
583 dout(7) << "object " << soid
<< " v " << v
<< ", recovering." << dendl
;
584 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
585 if (is_missing_object(soid
)) {
586 recover_missing(soid
, v
, cct
->_conf
->osd_client_op_priority
, h
);
587 } else if (missing_loc
.is_deleted(soid
)) {
588 prep_object_replica_deletes(soid
, v
, h
);
590 prep_object_replica_pushes(soid
, v
, h
);
592 pgbackend
->run_recovery_op(h
, cct
->_conf
->osd_client_op_priority
);
596 void PrimaryLogPG::wait_for_unreadable_object(
597 const hobject_t
& soid
, OpRequestRef op
)
599 assert(is_unreadable_object(soid
));
600 maybe_kick_recovery(soid
);
601 waiting_for_unreadable_object
[soid
].push_back(op
);
602 op
->mark_delayed("waiting for missing object");
605 bool PrimaryLogPG::is_degraded_or_backfilling_object(const hobject_t
& soid
)
607 /* The conditions below may clear (on_local_recover, before we queue
608 * the transaction) before we actually requeue the degraded waiters
609 * in on_global_recover after the transaction completes.
611 if (waiting_for_degraded_object
.count(soid
))
613 if (pg_log
.get_missing().get_items().count(soid
))
615 assert(!actingbackfill
.empty());
616 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
617 i
!= actingbackfill
.end();
619 if (*i
== get_primary()) continue;
620 pg_shard_t peer
= *i
;
621 auto peer_missing_entry
= peer_missing
.find(peer
);
622 if (peer_missing_entry
!= peer_missing
.end() &&
623 peer_missing_entry
->second
.get_items().count(soid
))
626 // Object is degraded if after last_backfill AND
627 // we are backfilling it
628 if (is_backfill_targets(peer
) &&
629 peer_info
[peer
].last_backfill
<= soid
&&
630 last_backfill_started
>= soid
&&
631 backfills_in_flight
.count(soid
))
637 void PrimaryLogPG::wait_for_degraded_object(const hobject_t
& soid
, OpRequestRef op
)
639 assert(is_degraded_or_backfilling_object(soid
));
641 maybe_kick_recovery(soid
);
642 waiting_for_degraded_object
[soid
].push_back(op
);
643 op
->mark_delayed("waiting for degraded object");
646 void PrimaryLogPG::block_write_on_full_cache(
647 const hobject_t
& _oid
, OpRequestRef op
)
649 const hobject_t oid
= _oid
.get_head();
650 dout(20) << __func__
<< ": blocking object " << oid
651 << " on full cache" << dendl
;
652 objects_blocked_on_cache_full
.insert(oid
);
653 waiting_for_cache_not_full
.push_back(op
);
654 op
->mark_delayed("waiting for cache not full");
657 void PrimaryLogPG::block_for_clean(
658 const hobject_t
& oid
, OpRequestRef op
)
660 dout(20) << __func__
<< ": blocking object " << oid
661 << " on primary repair" << dendl
;
662 waiting_for_clean_to_primary_repair
.push_back(op
);
663 op
->mark_delayed("waiting for clean to repair");
666 void PrimaryLogPG::block_write_on_snap_rollback(
667 const hobject_t
& oid
, ObjectContextRef obc
, OpRequestRef op
)
669 dout(20) << __func__
<< ": blocking object " << oid
.get_head()
670 << " on snap promotion " << obc
->obs
.oi
.soid
<< dendl
;
671 // otherwise, we'd have blocked in do_op
672 assert(oid
.is_head());
673 assert(objects_blocked_on_snap_promotion
.count(oid
) == 0);
674 objects_blocked_on_snap_promotion
[oid
] = obc
;
675 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
678 void PrimaryLogPG::block_write_on_degraded_snap(
679 const hobject_t
& snap
, OpRequestRef op
)
681 dout(20) << __func__
<< ": blocking object " << snap
.get_head()
682 << " on degraded snap " << snap
<< dendl
;
683 // otherwise, we'd have blocked in do_op
684 assert(objects_blocked_on_degraded_snap
.count(snap
.get_head()) == 0);
685 objects_blocked_on_degraded_snap
[snap
.get_head()] = snap
.snap
;
686 wait_for_degraded_object(snap
, op
);
689 bool PrimaryLogPG::maybe_await_blocked_snapset(
690 const hobject_t
&hoid
,
693 ObjectContextRef obc
;
694 obc
= object_contexts
.lookup(hoid
.get_head());
696 if (obc
->is_blocked()) {
697 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
703 obc
= object_contexts
.lookup(hoid
.get_snapdir());
705 if (obc
->is_blocked()) {
706 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
715 void PrimaryLogPG::wait_for_blocked_object(const hobject_t
& soid
, OpRequestRef op
)
717 dout(10) << __func__
<< " " << soid
<< " " << op
<< dendl
;
718 waiting_for_blocked_object
[soid
].push_back(op
);
719 op
->mark_delayed("waiting for blocked object");
722 void PrimaryLogPG::maybe_force_recovery()
724 // no force if not in degraded/recovery/backfill states
725 if (!is_degraded() &&
726 !state_test(PG_STATE_RECOVERING
|
727 PG_STATE_RECOVERY_WAIT
|
728 PG_STATE_BACKFILLING
|
729 PG_STATE_BACKFILL_WAIT
|
730 PG_STATE_BACKFILL_TOOFULL
))
733 if (pg_log
.get_log().approx_size() <
734 cct
->_conf
->osd_max_pg_log_entries
*
735 cct
->_conf
->osd_force_recovery_pg_log_entries_factor
)
738 // find the oldest missing object
739 version_t min_version
= 0;
741 if (!pg_log
.get_missing().get_items().empty()) {
742 min_version
= pg_log
.get_missing().get_rmissing().begin()->first
;
743 soid
= pg_log
.get_missing().get_rmissing().begin()->second
;
745 assert(!actingbackfill
.empty());
746 for (set
<pg_shard_t
>::iterator it
= actingbackfill
.begin();
747 it
!= actingbackfill
.end();
749 if (*it
== get_primary()) continue;
750 pg_shard_t peer
= *it
;
751 if (peer_missing
.count(peer
) &&
752 !peer_missing
[peer
].get_items().empty() &&
753 min_version
> peer_missing
[peer
].get_rmissing().begin()->first
) {
754 min_version
= peer_missing
[peer
].get_rmissing().begin()->first
;
755 soid
= peer_missing
[peer
].get_rmissing().begin()->second
;
760 if (soid
!= hobject_t())
761 maybe_kick_recovery(soid
);
764 class PGLSPlainFilter
: public PGLSFilter
{
767 int init(bufferlist::iterator
¶ms
) override
770 ::decode(xattr
, params
);
771 ::decode(val
, params
);
772 } catch (buffer::error
&e
) {
778 ~PGLSPlainFilter() override
{}
779 bool filter(const hobject_t
&obj
, bufferlist
& xattr_data
,
780 bufferlist
& outdata
) override
;
783 class PGLSParentFilter
: public PGLSFilter
{
784 inodeno_t parent_ino
;
787 PGLSParentFilter(CephContext
* cct
) : cct(cct
) {
790 int init(bufferlist::iterator
¶ms
) override
793 ::decode(parent_ino
, params
);
794 } catch (buffer::error
&e
) {
797 generic_dout(0) << "parent_ino=" << parent_ino
<< dendl
;
801 ~PGLSParentFilter() override
{}
802 bool filter(const hobject_t
&obj
, bufferlist
& xattr_data
,
803 bufferlist
& outdata
) override
;
806 bool PGLSParentFilter::filter(const hobject_t
&obj
,
807 bufferlist
& xattr_data
, bufferlist
& outdata
)
809 bufferlist::iterator iter
= xattr_data
.begin();
810 inode_backtrace_t bt
;
812 generic_dout(0) << "PGLSParentFilter::filter" << dendl
;
816 vector
<inode_backpointer_t
>::iterator vi
;
817 for (vi
= bt
.ancestors
.begin(); vi
!= bt
.ancestors
.end(); ++vi
) {
818 generic_dout(0) << "vi->dirino=" << vi
->dirino
<< " parent_ino=" << parent_ino
<< dendl
;
819 if (vi
->dirino
== parent_ino
) {
820 ::encode(*vi
, outdata
);
828 bool PGLSPlainFilter::filter(const hobject_t
&obj
,
829 bufferlist
& xattr_data
, bufferlist
& outdata
)
831 if (val
.size() != xattr_data
.length())
834 if (memcmp(val
.c_str(), xattr_data
.c_str(), val
.size()))
840 bool PrimaryLogPG::pgls_filter(PGLSFilter
*filter
, hobject_t
& sobj
, bufferlist
& outdata
)
844 // If filter has expressed an interest in an xattr, load it.
845 if (!filter
->get_xattr().empty()) {
846 int ret
= pgbackend
->objects_get_attr(
850 dout(0) << "getattr (sobj=" << sobj
<< ", attr=" << filter
->get_xattr() << ") returned " << ret
<< dendl
;
852 if (ret
!= -ENODATA
|| filter
->reject_empty_xattr()) {
858 return filter
->filter(sobj
, bl
, outdata
);
861 int PrimaryLogPG::get_pgls_filter(bufferlist::iterator
& iter
, PGLSFilter
**pfilter
)
867 ::decode(type
, iter
);
869 catch (buffer::error
& e
) {
873 if (type
.compare("parent") == 0) {
874 filter
= new PGLSParentFilter(cct
);
875 } else if (type
.compare("plain") == 0) {
876 filter
= new PGLSPlainFilter();
878 std::size_t dot
= type
.find(".");
879 if (dot
== std::string::npos
|| dot
== 0 || dot
== type
.size() - 1) {
883 const std::string class_name
= type
.substr(0, dot
);
884 const std::string filter_name
= type
.substr(dot
+ 1);
885 ClassHandler::ClassData
*cls
= NULL
;
886 int r
= osd
->class_handler
->open_class(class_name
, &cls
);
888 derr
<< "Error opening class '" << class_name
<< "': "
889 << cpp_strerror(r
) << dendl
;
890 if (r
!= -EPERM
) // propogate permission error
897 ClassHandler::ClassFilter
*class_filter
= cls
->get_filter(filter_name
);
898 if (class_filter
== NULL
) {
899 derr
<< "Error finding filter '" << filter_name
<< "' in class "
900 << class_name
<< dendl
;
903 filter
= class_filter
->fn();
905 // Object classes are obliged to return us something, but let's
906 // give an error rather than asserting out.
907 derr
<< "Buggy class " << class_name
<< " failed to construct "
908 "filter " << filter_name
<< dendl
;
914 int r
= filter
->init(iter
);
916 derr
<< "Error initializing filter " << type
<< ": "
917 << cpp_strerror(r
) << dendl
;
921 // Successfully constructed and initialized, return it.
928 // ==========================================================
930 int PrimaryLogPG::do_command(
938 const auto &missing
= pg_log
.get_missing();
942 cmd_getval(cct
, cmdmap
, "format", format
);
943 boost::scoped_ptr
<Formatter
> f(Formatter::create(format
, "json-pretty", "json"));
946 cmd_getval(cct
, cmdmap
, "cmd", command
);
947 if (command
== "query") {
948 f
->open_object_section("pg");
949 f
->dump_string("state", pg_state_string(get_state()));
950 f
->dump_stream("snap_trimq") << snap_trimq
;
951 f
->dump_unsigned("snap_trimq_len", snap_trimq
.size());
952 f
->dump_unsigned("epoch", get_osdmap()->get_epoch());
953 f
->open_array_section("up");
954 for (vector
<int>::iterator p
= up
.begin(); p
!= up
.end(); ++p
)
955 f
->dump_unsigned("osd", *p
);
957 f
->open_array_section("acting");
958 for (vector
<int>::iterator p
= acting
.begin(); p
!= acting
.end(); ++p
)
959 f
->dump_unsigned("osd", *p
);
961 if (!backfill_targets
.empty()) {
962 f
->open_array_section("backfill_targets");
963 for (set
<pg_shard_t
>::iterator p
= backfill_targets
.begin();
964 p
!= backfill_targets
.end();
966 f
->dump_stream("shard") << *p
;
969 if (!actingbackfill
.empty()) {
970 f
->open_array_section("actingbackfill");
971 for (set
<pg_shard_t
>::iterator p
= actingbackfill
.begin();
972 p
!= actingbackfill
.end();
974 f
->dump_stream("shard") << *p
;
977 f
->open_object_section("info");
978 _update_calc_stats();
982 f
->open_array_section("peer_info");
983 for (map
<pg_shard_t
, pg_info_t
>::iterator p
= peer_info
.begin();
984 p
!= peer_info
.end();
986 f
->open_object_section("info");
987 f
->dump_stream("peer") << p
->first
;
988 p
->second
.dump(f
.get());
993 f
->open_array_section("recovery_state");
994 handle_query_state(f
.get());
997 f
->open_object_section("agent_state");
999 agent_state
->dump(f
.get());
1006 else if (command
== "mark_unfound_lost") {
1008 cmd_getval(cct
, cmdmap
, "mulcmd", mulcmd
);
1010 if (mulcmd
== "revert") {
1011 if (pool
.info
.ec_pool()) {
1012 ss
<< "mode must be 'delete' for ec pool";
1015 mode
= pg_log_entry_t::LOST_REVERT
;
1016 } else if (mulcmd
== "delete") {
1017 mode
= pg_log_entry_t::LOST_DELETE
;
1019 ss
<< "mode must be 'revert' or 'delete'; mark not yet implemented";
1022 assert(mode
== pg_log_entry_t::LOST_REVERT
||
1023 mode
== pg_log_entry_t::LOST_DELETE
);
1025 if (!is_primary()) {
1026 ss
<< "not primary";
1030 uint64_t unfound
= missing_loc
.num_unfound();
1032 ss
<< "pg has no unfound objects";
1033 return 0; // make command idempotent
1036 if (!all_unfound_are_queried_or_lost(get_osdmap())) {
1037 ss
<< "pg has " << unfound
1038 << " unfound objects but we haven't probed all sources, not marking lost";
1042 mark_all_unfound_lost(mode
, con
, tid
);
1045 else if (command
== "list_missing") {
1048 if (cmd_getval(cct
, cmdmap
, "offset", offset_json
)) {
1049 json_spirit::Value v
;
1051 if (!json_spirit::read(offset_json
, v
))
1052 throw std::runtime_error("bad json");
1054 } catch (std::runtime_error
& e
) {
1055 ss
<< "error parsing offset: " << e
.what();
1059 f
->open_object_section("missing");
1061 f
->open_object_section("offset");
1062 offset
.dump(f
.get());
1065 f
->dump_int("num_missing", missing
.num_missing());
1066 f
->dump_int("num_unfound", get_num_unfound());
1067 const map
<hobject_t
, pg_missing_item
> &needs_recovery_map
=
1068 missing_loc
.get_needs_recovery();
1069 map
<hobject_t
, pg_missing_item
>::const_iterator p
=
1070 needs_recovery_map
.upper_bound(offset
);
1072 f
->open_array_section("objects");
1074 for (; p
!= needs_recovery_map
.end() && num
< cct
->_conf
->osd_command_max_records
; ++p
) {
1075 if (missing_loc
.is_unfound(p
->first
)) {
1076 f
->open_object_section("object");
1078 f
->open_object_section("oid");
1079 p
->first
.dump(f
.get());
1082 p
->second
.dump(f
.get()); // have, need keys
1084 f
->open_array_section("locations");
1085 for (set
<pg_shard_t
>::iterator r
=
1086 missing_loc
.get_locations(p
->first
).begin();
1087 r
!= missing_loc
.get_locations(p
->first
).end();
1089 f
->dump_stream("shard") << *r
;
1098 f
->dump_bool("more", p
!= needs_recovery_map
.end());
1104 ss
<< "unknown pg command " << prefix
;
1108 // ==========================================================
1110 void PrimaryLogPG::do_pg_op(OpRequestRef op
)
1112 // NOTE: this is non-const because we modify the OSDOp.outdata in
1114 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
1115 assert(m
->get_type() == CEPH_MSG_OSD_OP
);
1116 dout(10) << "do_pg_op " << *m
<< dendl
;
1121 string cname
, mname
;
1122 PGLSFilter
*filter
= NULL
;
1123 bufferlist filter_out
;
1125 snapid_t snapid
= m
->get_snapid();
1127 vector
<OSDOp
> ops
= m
->ops
;
1129 for (vector
<OSDOp
>::iterator p
= ops
.begin(); p
!= ops
.end(); ++p
) {
1131 bufferlist::iterator bp
= p
->indata
.begin();
1133 case CEPH_OSD_OP_PGNLS_FILTER
:
1135 ::decode(cname
, bp
);
1136 ::decode(mname
, bp
);
1138 catch (const buffer::error
& e
) {
1139 dout(0) << "unable to decode PGLS_FILTER description in " << *m
<< dendl
;
1147 result
= get_pgls_filter(bp
, &filter
);
1155 case CEPH_OSD_OP_PGNLS
:
1156 if (snapid
!= CEPH_NOSNAP
) {
1160 if (get_osdmap()->raw_pg_to_pg(m
->get_pg()) != info
.pgid
.pgid
) {
1161 dout(10) << " pgnls pg=" << m
->get_pg()
1162 << " " << get_osdmap()->raw_pg_to_pg(m
->get_pg())
1163 << " != " << info
.pgid
<< dendl
;
1166 unsigned list_size
= MIN(cct
->_conf
->osd_max_pgls
, p
->op
.pgls
.count
);
1168 dout(10) << " pgnls pg=" << m
->get_pg() << " count " << list_size
<< dendl
;
1169 // read into a buffer
1170 vector
<hobject_t
> sentries
;
1171 pg_nls_response_t response
;
1173 ::decode(response
.handle
, bp
);
1175 catch (const buffer::error
& e
) {
1176 dout(0) << "unable to decode PGNLS handle in " << *m
<< dendl
;
1182 hobject_t lower_bound
= response
.handle
;
1183 hobject_t pg_start
= info
.pgid
.pgid
.get_hobj_start();
1184 hobject_t pg_end
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1185 dout(10) << " pgnls lower_bound " << lower_bound
1186 << " pg_end " << pg_end
<< dendl
;
1187 if (((!lower_bound
.is_max() && lower_bound
>= pg_end
) ||
1188 (lower_bound
!= hobject_t() && lower_bound
< pg_start
))) {
1189 // this should only happen with a buggy client.
1190 dout(10) << "outside of PG bounds " << pg_start
<< " .. "
1196 hobject_t current
= lower_bound
;
1198 int r
= pgbackend
->objects_list_partial(
1209 map
<hobject_t
, pg_missing_item
>::const_iterator missing_iter
=
1210 pg_log
.get_missing().get_items().lower_bound(current
);
1211 vector
<hobject_t
>::iterator ls_iter
= sentries
.begin();
1212 hobject_t _max
= hobject_t::get_max();
1214 const hobject_t
&mcand
=
1215 missing_iter
== pg_log
.get_missing().get_items().end() ?
1217 missing_iter
->first
;
1218 const hobject_t
&lcand
=
1219 ls_iter
== sentries
.end() ?
1223 hobject_t candidate
;
1224 if (mcand
== lcand
) {
1226 if (!mcand
.is_max()) {
1230 } else if (mcand
< lcand
) {
1232 assert(!mcand
.is_max());
1236 assert(!lcand
.is_max());
1240 dout(10) << " pgnls candidate 0x" << std::hex
<< candidate
.get_hash()
1241 << " vs lower bound 0x" << lower_bound
.get_hash() << dendl
;
1243 if (candidate
>= next
) {
1247 if (response
.entries
.size() == list_size
) {
1252 // skip snapdir objects
1253 if (candidate
.snap
== CEPH_SNAPDIR
)
1256 if (candidate
.snap
!= CEPH_NOSNAP
)
1259 // skip internal namespace
1260 if (candidate
.get_namespace() == cct
->_conf
->osd_hit_set_namespace
)
1263 if (missing_loc
.is_deleted(candidate
))
1266 // skip wrong namespace
1267 if (m
->get_hobj().nspace
!= librados::all_nspaces
&&
1268 candidate
.get_namespace() != m
->get_hobj().nspace
)
1271 if (filter
&& !pgls_filter(filter
, candidate
, filter_out
))
1274 dout(20) << "pgnls item 0x" << std::hex
1275 << candidate
.get_hash()
1276 << ", rev 0x" << hobject_t::_reverse_bits(candidate
.get_hash())
1278 << candidate
.oid
.name
<< dendl
;
1280 librados::ListObjectImpl item
;
1281 item
.nspace
= candidate
.get_namespace();
1282 item
.oid
= candidate
.oid
.name
;
1283 item
.locator
= candidate
.get_key();
1284 response
.entries
.push_back(item
);
1287 if (next
.is_max() &&
1288 missing_iter
== pg_log
.get_missing().get_items().end() &&
1289 ls_iter
== sentries
.end()) {
1292 // Set response.handle to the start of the next PG according
1293 // to the object sort order.
1294 response
.handle
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1296 response
.handle
= next
;
1298 dout(10) << "pgnls handle=" << response
.handle
<< dendl
;
1299 ::encode(response
, osd_op
.outdata
);
1301 ::encode(filter_out
, osd_op
.outdata
);
1302 dout(10) << " pgnls result=" << result
<< " outdata.length()="
1303 << osd_op
.outdata
.length() << dendl
;
1307 case CEPH_OSD_OP_PGLS_FILTER
:
1309 ::decode(cname
, bp
);
1310 ::decode(mname
, bp
);
1312 catch (const buffer::error
& e
) {
1313 dout(0) << "unable to decode PGLS_FILTER description in " << *m
<< dendl
;
1321 result
= get_pgls_filter(bp
, &filter
);
1329 case CEPH_OSD_OP_PGLS
:
1330 if (snapid
!= CEPH_NOSNAP
) {
1334 if (get_osdmap()->raw_pg_to_pg(m
->get_pg()) != info
.pgid
.pgid
) {
1335 dout(10) << " pgls pg=" << m
->get_pg()
1336 << " " << get_osdmap()->raw_pg_to_pg(m
->get_pg())
1337 << " != " << info
.pgid
<< dendl
;
1340 unsigned list_size
= MIN(cct
->_conf
->osd_max_pgls
, p
->op
.pgls
.count
);
1342 dout(10) << " pgls pg=" << m
->get_pg() << " count " << list_size
<< dendl
;
1343 // read into a buffer
1344 vector
<hobject_t
> sentries
;
1345 pg_ls_response_t response
;
1347 ::decode(response
.handle
, bp
);
1349 catch (const buffer::error
& e
) {
1350 dout(0) << "unable to decode PGLS handle in " << *m
<< dendl
;
1356 hobject_t current
= response
.handle
;
1358 int r
= pgbackend
->objects_list_partial(
1369 assert(snapid
== CEPH_NOSNAP
|| pg_log
.get_missing().get_items().empty());
1371 map
<hobject_t
, pg_missing_item
>::const_iterator missing_iter
=
1372 pg_log
.get_missing().get_items().lower_bound(current
);
1373 vector
<hobject_t
>::iterator ls_iter
= sentries
.begin();
1374 hobject_t _max
= hobject_t::get_max();
1376 const hobject_t
&mcand
=
1377 missing_iter
== pg_log
.get_missing().get_items().end() ?
1379 missing_iter
->first
;
1380 const hobject_t
&lcand
=
1381 ls_iter
== sentries
.end() ?
1385 hobject_t candidate
;
1386 if (mcand
== lcand
) {
1388 if (!mcand
.is_max()) {
1392 } else if (mcand
< lcand
) {
1394 assert(!mcand
.is_max());
1398 assert(!lcand
.is_max());
1402 if (candidate
>= next
) {
1406 if (response
.entries
.size() == list_size
) {
1411 // skip snapdir objects
1412 if (candidate
.snap
== CEPH_SNAPDIR
)
1415 if (candidate
.snap
!= CEPH_NOSNAP
)
1418 // skip wrong namespace
1419 if (candidate
.get_namespace() != m
->get_hobj().nspace
)
1422 if (missing_loc
.is_deleted(candidate
))
1425 if (filter
&& !pgls_filter(filter
, candidate
, filter_out
))
1428 response
.entries
.push_back(make_pair(candidate
.oid
,
1429 candidate
.get_key()));
1431 if (next
.is_max() &&
1432 missing_iter
== pg_log
.get_missing().get_items().end() &&
1433 ls_iter
== sentries
.end()) {
1436 response
.handle
= next
;
1437 ::encode(response
, osd_op
.outdata
);
1439 ::encode(filter_out
, osd_op
.outdata
);
1440 dout(10) << " pgls result=" << result
<< " outdata.length()="
1441 << osd_op
.outdata
.length() << dendl
;
1445 case CEPH_OSD_OP_PG_HITSET_LS
:
1447 list
< pair
<utime_t
,utime_t
> > ls
;
1448 for (list
<pg_hit_set_info_t
>::const_iterator p
= info
.hit_set
.history
.begin();
1449 p
!= info
.hit_set
.history
.end();
1451 ls
.push_back(make_pair(p
->begin
, p
->end
));
1453 ls
.push_back(make_pair(hit_set_start_stamp
, utime_t()));
1454 ::encode(ls
, osd_op
.outdata
);
1458 case CEPH_OSD_OP_PG_HITSET_GET
:
1460 utime_t
stamp(osd_op
.op
.hit_set_get
.stamp
);
1461 if (hit_set_start_stamp
&& stamp
>= hit_set_start_stamp
) {
1462 // read the current in-memory HitSet, not the version we've
1468 ::encode(*hit_set
, osd_op
.outdata
);
1469 result
= osd_op
.outdata
.length();
1471 // read an archived HitSet.
1473 for (list
<pg_hit_set_info_t
>::const_iterator p
= info
.hit_set
.history
.begin();
1474 p
!= info
.hit_set
.history
.end();
1476 if (stamp
>= p
->begin
&& stamp
<= p
->end
) {
1477 oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
1481 if (oid
== hobject_t()) {
1485 if (!pool
.info
.is_replicated()) {
1486 // FIXME: EC not supported yet
1487 result
= -EOPNOTSUPP
;
1490 if (is_unreadable_object(oid
)) {
1491 wait_for_unreadable_object(oid
, op
);
1495 result
= osd
->store
->read(ch
, ghobject_t(oid
), 0, 0, osd_op
.outdata
);
1500 case CEPH_OSD_OP_SCRUBLS
:
1501 result
= do_scrub_ls(m
, &osd_op
);
1514 MOSDOpReply
*reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(),
1515 CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
,
1517 reply
->claim_op_out_data(ops
);
1518 reply
->set_result(result
);
1519 reply
->set_reply_versions(info
.last_update
, info
.last_user_version
);
1520 osd
->send_message_osd_client(reply
, m
->get_connection());
1524 int PrimaryLogPG::do_scrub_ls(MOSDOp
*m
, OSDOp
*osd_op
)
1526 if (m
->get_pg() != info
.pgid
.pgid
) {
1527 dout(10) << " scrubls pg=" << m
->get_pg() << " != " << info
.pgid
<< dendl
;
1528 return -EINVAL
; // hmm?
1530 auto bp
= osd_op
->indata
.begin();
1534 } catch (buffer::error
&) {
1535 dout(10) << " corrupted scrub_ls_arg_t" << dendl
;
1539 scrub_ls_result_t result
= {.interval
= info
.history
.same_interval_since
};
1540 if (arg
.interval
!= 0 && arg
.interval
!= info
.history
.same_interval_since
) {
1542 } else if (!scrubber
.store
) {
1544 } else if (arg
.get_snapsets
) {
1545 result
.vals
= scrubber
.store
->get_snap_errors(osd
->store
,
1550 result
.vals
= scrubber
.store
->get_object_errors(osd
->store
,
1555 ::encode(result
, osd_op
->outdata
);
1559 void PrimaryLogPG::calc_trim_to()
1561 size_t target
= cct
->_conf
->osd_min_pg_log_entries
;
1562 if (is_degraded() ||
1563 state_test(PG_STATE_RECOVERING
|
1564 PG_STATE_RECOVERY_WAIT
|
1565 PG_STATE_BACKFILLING
|
1566 PG_STATE_BACKFILL_WAIT
|
1567 PG_STATE_BACKFILL_TOOFULL
)) {
1568 target
= cct
->_conf
->osd_max_pg_log_entries
;
1571 eversion_t limit
= MIN(
1572 min_last_complete_ondisk
,
1573 pg_log
.get_can_rollback_to());
1574 if (limit
!= eversion_t() &&
1575 limit
!= pg_trim_to
&&
1576 pg_log
.get_log().approx_size() > target
) {
1577 size_t num_to_trim
= pg_log
.get_log().approx_size() - target
;
1578 if (num_to_trim
< cct
->_conf
->osd_pg_log_trim_min
) {
1581 list
<pg_log_entry_t
>::const_iterator it
= pg_log
.get_log().log
.begin();
1582 eversion_t new_trim_to
;
1583 for (size_t i
= 0; i
< num_to_trim
; ++i
) {
1584 new_trim_to
= it
->version
;
1586 if (new_trim_to
> limit
) {
1587 new_trim_to
= limit
;
1588 dout(10) << "calc_trim_to trimming to min_last_complete_ondisk" << dendl
;
1592 dout(10) << "calc_trim_to " << pg_trim_to
<< " -> " << new_trim_to
<< dendl
;
1593 pg_trim_to
= new_trim_to
;
1594 assert(pg_trim_to
<= pg_log
.get_head());
1595 assert(pg_trim_to
<= min_last_complete_ondisk
);
1599 PrimaryLogPG::PrimaryLogPG(OSDService
*o
, OSDMapRef curmap
,
1600 const PGPool
&_pool
, spg_t p
) :
1601 PG(o
, curmap
, _pool
, p
),
1603 PGBackend::build_pg_backend(
1604 _pool
.info
, curmap
, this, coll_t(p
), ch
, o
->store
, cct
)),
1605 object_contexts(o
->cct
, o
->cct
->_conf
->osd_pg_object_context_cache_count
),
1606 snapset_contexts_lock("PrimaryLogPG::snapset_contexts_lock"),
1607 new_backfill(false),
1609 snap_trimmer_machine(this)
1611 missing_loc
.set_backend_predicates(
1612 pgbackend
->get_is_readable_predicate(),
1613 pgbackend
->get_is_recoverable_predicate());
1614 snap_trimmer_machine
.initiate();
1617 void PrimaryLogPG::get_src_oloc(const object_t
& oid
, const object_locator_t
& oloc
, object_locator_t
& src_oloc
)
1620 if (oloc
.key
.empty())
1621 src_oloc
.key
= oid
.name
;
1624 void PrimaryLogPG::handle_backoff(OpRequestRef
& op
)
1626 const MOSDBackoff
*m
= static_cast<const MOSDBackoff
*>(op
->get_req());
1627 SessionRef session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1630 session
->put(); // get_priv takes a ref, and so does the SessionRef
1631 hobject_t begin
= info
.pgid
.pgid
.get_hobj_start();
1632 hobject_t end
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1633 if (begin
< m
->begin
) {
1639 dout(10) << __func__
<< " backoff ack id " << m
->id
1640 << " [" << begin
<< "," << end
<< ")" << dendl
;
1641 session
->ack_backoff(cct
, m
->pgid
, m
->id
, begin
, end
);
1644 void PrimaryLogPG::do_request(
1646 ThreadPool::TPHandle
&handle
)
1648 if (op
->osd_trace
) {
1649 op
->pg_trace
.init("pg op", &trace_endpoint
, &op
->osd_trace
);
1650 op
->pg_trace
.event("do request");
1652 // make sure we have a new enough map
1653 auto p
= waiting_for_map
.find(op
->get_source());
1654 if (p
!= waiting_for_map
.end()) {
1655 // preserve ordering
1656 dout(20) << __func__
<< " waiting_for_map "
1657 << p
->first
<< " not empty, queueing" << dendl
;
1658 p
->second
.push_back(op
);
1659 op
->mark_delayed("waiting_for_map not empty");
1662 if (!have_same_or_newer_map(op
->min_epoch
)) {
1663 dout(20) << __func__
<< " min " << op
->min_epoch
1664 << ", queue on waiting_for_map " << op
->get_source() << dendl
;
1665 waiting_for_map
[op
->get_source()].push_back(op
);
1666 op
->mark_delayed("op must wait for map");
1667 osd
->request_osdmap_update(op
->min_epoch
);
1671 if (can_discard_request(op
)) {
1676 const Message
*m
= op
->get_req();
1677 if (m
->get_connection()->has_feature(CEPH_FEATURE_RADOS_BACKOFF
)) {
1678 SessionRef session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1681 session
->put(); // get_priv takes a ref, and so does the SessionRef
1683 if (op
->get_req()->get_type() == CEPH_MSG_OSD_OP
) {
1684 if (session
->check_backoff(cct
, info
.pgid
,
1685 info
.pgid
.pgid
.get_hobj_start(), m
)) {
1692 (!is_active() && is_peered());
1693 if (g_conf
->osd_backoff_on_peering
&& !backoff
) {
1699 add_pg_backoff(session
);
1703 // pg backoff acks at pg-level
1704 if (op
->get_req()->get_type() == CEPH_MSG_OSD_BACKOFF
) {
1705 const MOSDBackoff
*ba
= static_cast<const MOSDBackoff
*>(m
);
1706 if (ba
->begin
!= ba
->end
) {
1714 // Delay unless PGBackend says it's ok
1715 if (pgbackend
->can_handle_while_inactive(op
)) {
1716 bool handled
= pgbackend
->handle_message(op
);
1720 waiting_for_peered
.push_back(op
);
1721 op
->mark_delayed("waiting for peered");
1726 if (flushes_in_progress
> 0) {
1727 dout(20) << flushes_in_progress
1728 << " flushes_in_progress pending "
1729 << "waiting for flush on " << op
<< dendl
;
1730 waiting_for_flush
.push_back(op
);
1731 op
->mark_delayed("waiting for flush");
1735 assert(is_peered() && flushes_in_progress
== 0);
1736 if (pgbackend
->handle_message(op
))
1739 switch (op
->get_req()->get_type()) {
1740 case CEPH_MSG_OSD_OP
:
1741 case CEPH_MSG_OSD_BACKOFF
:
1743 dout(20) << " peered, not active, waiting for active on " << op
<< dendl
;
1744 waiting_for_active
.push_back(op
);
1745 op
->mark_delayed("waiting for active");
1748 switch (op
->get_req()->get_type()) {
1749 case CEPH_MSG_OSD_OP
:
1750 // verify client features
1751 if ((pool
.info
.has_tiers() || pool
.info
.is_tier()) &&
1752 !op
->has_feature(CEPH_FEATURE_OSD_CACHEPOOL
)) {
1753 osd
->reply_op_error(op
, -EOPNOTSUPP
);
1758 case CEPH_MSG_OSD_BACKOFF
:
1759 // object-level backoff acks handled in osdop context
1769 case MSG_OSD_SUBOPREPLY
:
1770 do_sub_op_reply(op
);
1773 case MSG_OSD_PG_SCAN
:
1774 do_scan(op
, handle
);
1777 case MSG_OSD_PG_BACKFILL
:
1781 case MSG_OSD_PG_BACKFILL_REMOVE
:
1782 do_backfill_remove(op
);
1785 case MSG_OSD_SCRUB_RESERVE
:
1787 const MOSDScrubReserve
*m
=
1788 static_cast<const MOSDScrubReserve
*>(op
->get_req());
1790 case MOSDScrubReserve::REQUEST
:
1791 handle_scrub_reserve_request(op
);
1793 case MOSDScrubReserve::GRANT
:
1794 handle_scrub_reserve_grant(op
, m
->from
);
1796 case MOSDScrubReserve::REJECT
:
1797 handle_scrub_reserve_reject(op
, m
->from
);
1799 case MOSDScrubReserve::RELEASE
:
1800 handle_scrub_reserve_release(op
);
1806 case MSG_OSD_REP_SCRUB
:
1807 replica_scrub(op
, handle
);
1810 case MSG_OSD_REP_SCRUBMAP
:
1811 do_replica_scrub_map(op
);
1814 case MSG_OSD_PG_UPDATE_LOG_MISSING
:
1815 do_update_log_missing(op
);
1818 case MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY
:
1819 do_update_log_missing_reply(op
);
1823 assert(0 == "bad message type in do_request");
1827 hobject_t
PrimaryLogPG::earliest_backfill() const
1829 hobject_t e
= hobject_t::get_max();
1830 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
1831 i
!= backfill_targets
.end();
1834 map
<pg_shard_t
, pg_info_t
>::const_iterator iter
= peer_info
.find(bt
);
1835 assert(iter
!= peer_info
.end());
1836 if (iter
->second
.last_backfill
< e
)
1837 e
= iter
->second
.last_backfill
;
1842 /** do_op - do an op
1843 * pg lock will be held (if multithreaded)
1844 * osd_lock NOT held.
1846 void PrimaryLogPG::do_op(OpRequestRef
& op
)
1849 // NOTE: take a non-const pointer here; we must be careful not to
1850 // change anything that will break other reads on m (operator<<).
1851 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
1852 assert(m
->get_type() == CEPH_MSG_OSD_OP
);
1853 if (m
->finish_decode()) {
1854 op
->reset_desc(); // for TrackedOp
1858 dout(20) << __func__
<< ": op " << *m
<< dendl
;
1860 hobject_t head
= m
->get_hobj();
1861 head
.snap
= CEPH_NOSNAP
;
1863 if (!info
.pgid
.pgid
.contains(
1864 info
.pgid
.pgid
.get_split_bits(pool
.info
.get_pg_num()), head
)) {
1865 derr
<< __func__
<< " " << info
.pgid
.pgid
<< " does not contain "
1866 << head
<< " pg_num " << pool
.info
.get_pg_num() << " hash "
1867 << std::hex
<< head
.get_hash() << std::dec
<< dendl
;
1868 osd
->clog
->warn() << info
.pgid
.pgid
<< " does not contain " << head
1870 assert(!cct
->_conf
->osd_debug_misdirected_ops
);
1875 m
->get_connection()->has_feature(CEPH_FEATURE_RADOS_BACKOFF
);
1878 session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1879 if (!session
.get()) {
1880 dout(10) << __func__
<< " no session" << dendl
;
1883 session
->put(); // get_priv() takes a ref, and so does the intrusive_ptr
1885 if (session
->check_backoff(cct
, info
.pgid
, head
, m
)) {
1890 if (m
->has_flag(CEPH_OSD_FLAG_PARALLELEXEC
)) {
1892 dout(20) << __func__
<< ": PARALLELEXEC not implemented " << *m
<< dendl
;
1893 osd
->reply_op_error(op
, -EINVAL
);
1897 if (op
->rmw_flags
== 0) {
1898 int r
= osd
->osd
->init_op_flags(op
);
1900 osd
->reply_op_error(op
, r
);
1905 if ((m
->get_flags() & (CEPH_OSD_FLAG_BALANCE_READS
|
1906 CEPH_OSD_FLAG_LOCALIZE_READS
)) &&
1908 !(op
->may_write() || op
->may_cache())) {
1909 // balanced reads; any replica will do
1910 if (!(is_primary() || is_replica())) {
1911 osd
->handle_misdirected_op(this, op
);
1915 // normal case; must be primary
1916 if (!is_primary()) {
1917 osd
->handle_misdirected_op(this, op
);
1922 if (!op_has_sufficient_caps(op
)) {
1923 osd
->reply_op_error(op
, -EPERM
);
1927 if (op
->includes_pg_op()) {
1928 return do_pg_op(op
);
1931 // object name too long?
1932 if (m
->get_oid().name
.size() > cct
->_conf
->osd_max_object_name_len
) {
1933 dout(4) << "do_op name is longer than "
1934 << cct
->_conf
->osd_max_object_name_len
1935 << " bytes" << dendl
;
1936 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1939 if (m
->get_hobj().get_key().size() > cct
->_conf
->osd_max_object_name_len
) {
1940 dout(4) << "do_op locator is longer than "
1941 << cct
->_conf
->osd_max_object_name_len
1942 << " bytes" << dendl
;
1943 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1946 if (m
->get_hobj().nspace
.size() > cct
->_conf
->osd_max_object_namespace_len
) {
1947 dout(4) << "do_op namespace is longer than "
1948 << cct
->_conf
->osd_max_object_namespace_len
1949 << " bytes" << dendl
;
1950 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1954 if (int r
= osd
->store
->validate_hobject_key(head
)) {
1955 dout(4) << "do_op object " << head
<< " invalid for backing store: "
1957 osd
->reply_op_error(op
, r
);
1962 if (get_osdmap()->is_blacklisted(m
->get_source_addr())) {
1963 dout(10) << "do_op " << m
->get_source_addr() << " is blacklisted" << dendl
;
1964 osd
->reply_op_error(op
, -EBLACKLISTED
);
1968 // order this op as a write?
1969 bool write_ordered
= op
->rwordered();
1971 // discard due to cluster full transition? (we discard any op that
1972 // originates before the cluster or pool is marked full; the client
1973 // will resend after the full flag is removed or if they expect the
1974 // op to succeed despite being full). The except is FULL_FORCE and
1975 // FULL_TRY ops, which there is no reason to discard because they
1976 // bypass all full checks anyway. If this op isn't write or
1977 // read-ordered, we skip.
1978 // FIXME: we exclude mds writes for now.
1979 if (write_ordered
&& !(m
->get_source().is_mds() ||
1980 m
->has_flag(CEPH_OSD_FLAG_FULL_TRY
) ||
1981 m
->has_flag(CEPH_OSD_FLAG_FULL_FORCE
)) &&
1982 info
.history
.last_epoch_marked_full
> m
->get_map_epoch()) {
1983 dout(10) << __func__
<< " discarding op sent before full " << m
<< " "
1987 // mds should have stopped writing before this point.
1988 // We can't allow OSD to become non-startable even if mds
1989 // could be writing as part of file removals.
1991 if (write_ordered
&& osd
->check_failsafe_full(ss
)) {
1992 dout(10) << __func__
<< " fail-safe full check failed, dropping request"
1997 int64_t poolid
= get_pgid().pool();
1998 if (op
->may_write()) {
2000 const pg_pool_t
*pi
= get_osdmap()->get_pg_pool(poolid
);
2006 if (m
->get_snapid() != CEPH_NOSNAP
) {
2007 dout(20) << __func__
<< ": write to clone not valid " << *m
<< dendl
;
2008 osd
->reply_op_error(op
, -EINVAL
);
2013 if (cct
->_conf
->osd_max_write_size
&&
2014 m
->get_data_len() > cct
->_conf
->osd_max_write_size
<< 20) {
2015 // journal can't hold commit!
2016 derr
<< "do_op msg data len " << m
->get_data_len()
2017 << " > osd_max_write_size " << (cct
->_conf
->osd_max_write_size
<< 20)
2018 << " on " << *m
<< dendl
;
2019 osd
->reply_op_error(op
, -OSD_WRITETOOBIG
);
2024 dout(10) << "do_op " << *m
2025 << (op
->may_write() ? " may_write" : "")
2026 << (op
->may_read() ? " may_read" : "")
2027 << (op
->may_cache() ? " may_cache" : "")
2028 << " -> " << (write_ordered
? "write-ordered" : "read-ordered")
2029 << " flags " << ceph_osd_flag_string(m
->get_flags())
2033 if (is_unreadable_object(head
)) {
2034 if (!is_primary()) {
2035 osd
->reply_op_error(op
, -EAGAIN
);
2039 (g_conf
->osd_backoff_on_degraded
||
2040 (g_conf
->osd_backoff_on_unfound
&& missing_loc
.is_unfound(head
)))) {
2041 add_backoff(session
, head
, head
);
2042 maybe_kick_recovery(head
);
2044 wait_for_unreadable_object(head
, op
);
2050 if (write_ordered
&& is_degraded_or_backfilling_object(head
)) {
2051 if (can_backoff
&& g_conf
->osd_backoff_on_degraded
) {
2052 add_backoff(session
, head
, head
);
2053 maybe_kick_recovery(head
);
2055 wait_for_degraded_object(head
, op
);
2060 if (write_ordered
&&
2061 scrubber
.write_blocked_by_scrub(head
)) {
2062 dout(20) << __func__
<< ": waiting for scrub" << dendl
;
2063 waiting_for_scrub
.push_back(op
);
2064 op
->mark_delayed("waiting for scrub");
2069 map
<hobject_t
, snapid_t
>::iterator blocked_iter
=
2070 objects_blocked_on_degraded_snap
.find(head
);
2071 if (write_ordered
&& blocked_iter
!= objects_blocked_on_degraded_snap
.end()) {
2072 hobject_t
to_wait_on(head
);
2073 to_wait_on
.snap
= blocked_iter
->second
;
2074 wait_for_degraded_object(to_wait_on
, op
);
2077 map
<hobject_t
, ObjectContextRef
>::iterator blocked_snap_promote_iter
=
2078 objects_blocked_on_snap_promotion
.find(head
);
2079 if (write_ordered
&&
2080 blocked_snap_promote_iter
!= objects_blocked_on_snap_promotion
.end()) {
2081 wait_for_blocked_object(
2082 blocked_snap_promote_iter
->second
->obs
.oi
.soid
,
2086 if (write_ordered
&& objects_blocked_on_cache_full
.count(head
)) {
2087 block_write_on_full_cache(head
, op
);
2092 hobject_t snapdir
= head
.get_snapdir();
2094 if (is_unreadable_object(snapdir
)) {
2095 wait_for_unreadable_object(snapdir
, op
);
2100 if (write_ordered
&& is_degraded_or_backfilling_object(snapdir
)) {
2101 wait_for_degraded_object(snapdir
, op
);
2106 if (op
->may_write() || op
->may_cache()) {
2107 // warning: we will get back *a* request for this reqid, but not
2108 // necessarily the most recent. this happens with flush and
2109 // promote ops, but we can't possible have both in our log where
2110 // the original request is still not stable on disk, so for our
2111 // purposes here it doesn't matter which one we get.
2113 version_t user_version
;
2114 int return_code
= 0;
2115 bool got
= check_in_progress_op(
2116 m
->get_reqid(), &version
, &user_version
, &return_code
);
2118 dout(3) << __func__
<< " dup " << m
->get_reqid()
2119 << " version " << version
<< dendl
;
2120 if (already_complete(version
)) {
2121 osd
->reply_op_error(op
, return_code
, version
, user_version
);
2123 dout(10) << " waiting for " << version
<< " to commit" << dendl
;
2124 // always queue ondisk waiters, so that we can requeue if needed
2125 waiting_for_ondisk
[version
].push_back(make_pair(op
, user_version
));
2126 op
->mark_delayed("waiting for ondisk");
2132 ObjectContextRef obc
;
2133 bool can_create
= op
->may_write() || op
->may_cache();
2134 hobject_t missing_oid
;
2135 const hobject_t
& oid
= m
->get_hobj();
2137 // io blocked on obc?
2138 if (!m
->has_flag(CEPH_OSD_FLAG_FLUSH
) &&
2139 maybe_await_blocked_snapset(oid
, op
)) {
2143 int r
= find_object_context(
2144 oid
, &obc
, can_create
,
2145 m
->has_flag(CEPH_OSD_FLAG_MAP_SNAP_CLONE
),
2149 // If we're not the primary of this OSD, we just return -EAGAIN. Otherwise,
2150 // we have to wait for the object.
2152 // missing the specific snap we need; requeue and wait.
2153 assert(!op
->may_write()); // only happens on a read/cache
2154 wait_for_unreadable_object(missing_oid
, op
);
2157 } else if (r
== 0) {
2158 if (is_unreadable_object(obc
->obs
.oi
.soid
)) {
2159 dout(10) << __func__
<< ": clone " << obc
->obs
.oi
.soid
2160 << " is unreadable, waiting" << dendl
;
2161 wait_for_unreadable_object(obc
->obs
.oi
.soid
, op
);
2165 // degraded object? (the check above was for head; this could be a clone)
2166 if (write_ordered
&&
2167 obc
->obs
.oi
.soid
.snap
!= CEPH_NOSNAP
&&
2168 is_degraded_or_backfilling_object(obc
->obs
.oi
.soid
)) {
2169 dout(10) << __func__
<< ": clone " << obc
->obs
.oi
.soid
2170 << " is degraded, waiting" << dendl
;
2171 wait_for_degraded_object(obc
->obs
.oi
.soid
, op
);
2176 bool in_hit_set
= false;
2179 if (obc
->obs
.oi
.soid
!= hobject_t() && hit_set
->contains(obc
->obs
.oi
.soid
))
2182 if (missing_oid
!= hobject_t() && hit_set
->contains(missing_oid
))
2185 if (!op
->hitset_inserted
) {
2186 hit_set
->insert(oid
);
2187 op
->hitset_inserted
= true;
2188 if (hit_set
->is_full() ||
2189 hit_set_start_stamp
+ pool
.info
.hit_set_period
<= m
->get_recv_stamp()) {
2196 if (agent_choose_mode(false, op
))
2200 if (obc
.get() && obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2201 if (maybe_handle_manifest(op
,
2207 if (maybe_handle_cache(op
,
2216 if (r
&& (r
!= -ENOENT
|| !obc
)) {
2217 // copy the reqids for copy get on ENOENT
2219 (m
->ops
[0].op
.op
== CEPH_OSD_OP_COPY_GET
)) {
2220 fill_in_copy_get_noent(op
, oid
, m
->ops
[0]);
2223 dout(20) << __func__
<< ": find_object_context got error " << r
<< dendl
;
2224 if (op
->may_write() &&
2225 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
2226 record_write_error(op
, oid
, nullptr, r
);
2228 osd
->reply_op_error(op
, r
);
2233 // make sure locator is consistent
2234 object_locator_t
oloc(obc
->obs
.oi
.soid
);
2235 if (m
->get_object_locator() != oloc
) {
2236 dout(10) << " provided locator " << m
->get_object_locator()
2237 << " != object's " << obc
->obs
.oi
.soid
<< dendl
;
2238 osd
->clog
->warn() << "bad locator " << m
->get_object_locator()
2239 << " on object " << oloc
2243 // io blocked on obc?
2244 if (obc
->is_blocked() &&
2245 !m
->has_flag(CEPH_OSD_FLAG_FLUSH
)) {
2246 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
2250 dout(25) << __func__
<< " oi " << obc
->obs
.oi
<< dendl
;
2252 for (vector
<OSDOp
>::iterator p
= m
->ops
.begin(); p
!= m
->ops
.end(); ++p
) {
2255 // make sure LIST_SNAPS is on CEPH_SNAPDIR and nothing else
2256 if (osd_op
.op
.op
== CEPH_OSD_OP_LIST_SNAPS
&&
2257 m
->get_snapid() != CEPH_SNAPDIR
) {
2258 dout(10) << "LIST_SNAPS with incorrect context" << dendl
;
2259 osd
->reply_op_error(op
, -EINVAL
);
2264 OpContext
*ctx
= new OpContext(op
, m
->get_reqid(), &m
->ops
, obc
, this);
2266 if (!obc
->obs
.exists
)
2267 ctx
->snapset_obc
= get_object_context(obc
->obs
.oi
.soid
.get_snapdir(), false);
2269 /* Due to obc caching, we might have a cached non-existent snapset_obc
2270 * for the snapdir. If so, we can ignore it. Subsequent parts of the
2271 * do_op pipeline make decisions based on whether snapset_obc is
2274 if (ctx
->snapset_obc
&& !ctx
->snapset_obc
->obs
.exists
)
2275 ctx
->snapset_obc
= ObjectContextRef();
2277 if (m
->has_flag(CEPH_OSD_FLAG_SKIPRWLOCKS
)) {
2278 dout(20) << __func__
<< ": skipping rw locks" << dendl
;
2279 } else if (m
->get_flags() & CEPH_OSD_FLAG_FLUSH
) {
2280 dout(20) << __func__
<< ": part of flush, will ignore write lock" << dendl
;
2282 // verify there is in fact a flush in progress
2283 // FIXME: we could make this a stronger test.
2284 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(obc
->obs
.oi
.soid
);
2285 if (p
== flush_ops
.end()) {
2286 dout(10) << __func__
<< " no flush in progress, aborting" << dendl
;
2287 reply_ctx(ctx
, -EINVAL
);
2290 } else if (!get_rw_locks(write_ordered
, ctx
)) {
2291 dout(20) << __func__
<< " waiting for rw locks " << dendl
;
2292 op
->mark_delayed("waiting for rw locks");
2296 dout(20) << __func__
<< " obc " << *obc
<< dendl
;
2299 dout(20) << __func__
<< " returned an error: " << r
<< dendl
;
2301 if (op
->may_write() &&
2302 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
2303 record_write_error(op
, oid
, nullptr, r
);
2305 osd
->reply_op_error(op
, r
);
2310 if (m
->has_flag(CEPH_OSD_FLAG_IGNORE_CACHE
)) {
2311 ctx
->ignore_cache
= true;
2314 if ((op
->may_read()) && (obc
->obs
.oi
.is_lost())) {
2315 // This object is lost. Reading from it returns an error.
2316 dout(20) << __func__
<< ": object " << obc
->obs
.oi
.soid
2317 << " is lost" << dendl
;
2318 reply_ctx(ctx
, -ENFILE
);
2321 if (!op
->may_write() &&
2323 (!obc
->obs
.exists
||
2324 ((m
->get_snapid() != CEPH_SNAPDIR
) &&
2325 obc
->obs
.oi
.is_whiteout()))) {
2326 // copy the reqids for copy get on ENOENT
2327 if (m
->ops
[0].op
.op
== CEPH_OSD_OP_COPY_GET
) {
2328 fill_in_copy_get_noent(op
, oid
, m
->ops
[0]);
2332 reply_ctx(ctx
, -ENOENT
);
2339 utime_t prepare_latency
= ceph_clock_now();
2340 prepare_latency
-= op
->get_dequeued_time();
2341 osd
->logger
->tinc(l_osd_op_prepare_lat
, prepare_latency
);
2342 if (op
->may_read() && op
->may_write()) {
2343 osd
->logger
->tinc(l_osd_op_rw_prepare_lat
, prepare_latency
);
2344 } else if (op
->may_read()) {
2345 osd
->logger
->tinc(l_osd_op_r_prepare_lat
, prepare_latency
);
2346 } else if (op
->may_write() || op
->may_cache()) {
2347 osd
->logger
->tinc(l_osd_op_w_prepare_lat
, prepare_latency
);
2350 // force recovery of the oldest missing object if too many logs
2351 maybe_force_recovery();
2354 PrimaryLogPG::cache_result_t
PrimaryLogPG::maybe_handle_manifest_detail(
2357 ObjectContextRef obc
)
2359 if (static_cast<const MOSDOp
*>(op
->get_req())->get_flags() &
2360 CEPH_OSD_FLAG_IGNORE_REDIRECT
) {
2361 dout(20) << __func__
<< ": ignoring redirect due to flag" << dendl
;
2362 return cache_result_t::NOOP
;
2366 dout(10) << __func__
<< " " << obc
->obs
.oi
<< " "
2367 << (obc
->obs
.exists
? "exists" : "DNE")
2370 // if it is write-ordered and blocked, stop now
2371 if (obc
.get() && obc
->is_blocked() && write_ordered
) {
2372 // we're already doing something with this object
2373 dout(20) << __func__
<< " blocked on " << obc
->obs
.oi
.soid
<< dendl
;
2374 return cache_result_t::NOOP
;
2377 vector
<OSDOp
> ops
= static_cast<const MOSDOp
*>(op
->get_req())->ops
;
2378 for (vector
<OSDOp
>::iterator p
= ops
.begin(); p
!= ops
.end(); ++p
) {
2380 ceph_osd_op
& op
= osd_op
.op
;
2381 if (op
.op
== CEPH_OSD_OP_SET_REDIRECT
) {
2382 return cache_result_t::NOOP
;
2386 switch (obc
->obs
.oi
.manifest
.type
) {
2387 case object_manifest_t::TYPE_REDIRECT
:
2388 if (op
->may_write() || write_ordered
) {
2389 do_proxy_write(op
, obc
->obs
.oi
.soid
, obc
);
2391 do_proxy_read(op
, obc
);
2393 return cache_result_t::HANDLED_PROXY
;
2394 case object_manifest_t::TYPE_CHUNKED
:
2396 assert(0 == "unrecognized manifest type");
2399 return cache_result_t::NOOP
;
2402 void PrimaryLogPG::record_write_error(OpRequestRef op
, const hobject_t
&soid
,
2403 MOSDOpReply
*orig_reply
, int r
)
2405 dout(20) << __func__
<< " r=" << r
<< dendl
;
2406 assert(op
->may_write());
2407 const osd_reqid_t
&reqid
= static_cast<const MOSDOp
*>(op
->get_req())->get_reqid();
2408 mempool::osd_pglog::list
<pg_log_entry_t
> entries
;
2409 entries
.push_back(pg_log_entry_t(pg_log_entry_t::ERROR
, soid
,
2410 get_next_version(), eversion_t(), 0,
2411 reqid
, utime_t(), r
));
2416 boost::intrusive_ptr
<MOSDOpReply
> orig_reply
;
2421 MOSDOpReply
*orig_reply
,
2424 orig_reply(orig_reply
, false /* take over ref */), r(r
)
2427 ldpp_dout(pg
, 20) << "finished " << __func__
<< " r=" << r
<< dendl
;
2428 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2429 int flags
= m
->get_flags() & (CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
2430 MOSDOpReply
*reply
= orig_reply
.detach();
2431 if (reply
== nullptr) {
2432 reply
= new MOSDOpReply(m
, r
, pg
->get_osdmap()->get_epoch(),
2435 ldpp_dout(pg
, 10) << " sending commit on " << *m
<< " " << reply
<< dendl
;
2436 pg
->osd
->send_message_osd_client(reply
, m
->get_connection());
2440 ObcLockManager lock_manager
;
2443 std::move(lock_manager
),
2444 boost::optional
<std::function
<void(void)> >(
2445 OnComplete(this, op
, orig_reply
, r
)),
2450 PrimaryLogPG::cache_result_t
PrimaryLogPG::maybe_handle_cache_detail(
2453 ObjectContextRef obc
,
2454 int r
, hobject_t missing_oid
,
2457 ObjectContextRef
*promote_obc
)
2459 // return quickly if caching is not enabled
2460 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)
2461 return cache_result_t::NOOP
;
2465 op
->get_req()->get_type() == CEPH_MSG_OSD_OP
&&
2466 (static_cast<const MOSDOp
*>(op
->get_req())->get_flags() &
2467 CEPH_OSD_FLAG_IGNORE_CACHE
)) {
2468 dout(20) << __func__
<< ": ignoring cache due to flag" << dendl
;
2469 return cache_result_t::NOOP
;
2472 must_promote
= must_promote
|| op
->need_promote();
2475 dout(25) << __func__
<< " " << obc
->obs
.oi
<< " "
2476 << (obc
->obs
.exists
? "exists" : "DNE")
2477 << " missing_oid " << missing_oid
2478 << " must_promote " << (int)must_promote
2479 << " in_hit_set " << (int)in_hit_set
2482 dout(25) << __func__
<< " (no obc)"
2483 << " missing_oid " << missing_oid
2484 << " must_promote " << (int)must_promote
2485 << " in_hit_set " << (int)in_hit_set
2488 // if it is write-ordered and blocked, stop now
2489 if (obc
.get() && obc
->is_blocked() && write_ordered
) {
2490 // we're already doing something with this object
2491 dout(20) << __func__
<< " blocked on " << obc
->obs
.oi
.soid
<< dendl
;
2492 return cache_result_t::NOOP
;
2495 if (r
== -ENOENT
&& missing_oid
== hobject_t()) {
2496 // we know this object is logically absent (e.g., an undefined clone)
2497 return cache_result_t::NOOP
;
2500 if (obc
.get() && obc
->obs
.exists
) {
2501 osd
->logger
->inc(l_osd_op_cache_hit
);
2502 return cache_result_t::NOOP
;
2504 if (!is_primary()) {
2505 dout(20) << __func__
<< " cache miss; ask the primary" << dendl
;
2506 osd
->reply_op_error(op
, -EAGAIN
);
2507 return cache_result_t::REPLIED_WITH_EAGAIN
;
2510 if (missing_oid
== hobject_t() && obc
.get()) {
2511 missing_oid
= obc
->obs
.oi
.soid
;
2514 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2515 const object_locator_t oloc
= m
->get_object_locator();
2517 if (op
->need_skip_handle_cache()) {
2518 return cache_result_t::NOOP
;
2521 // older versions do not proxy the feature bits.
2522 bool can_proxy_write
= get_osdmap()->get_up_osd_features() &
2523 CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES
;
2524 OpRequestRef promote_op
;
2526 switch (pool
.info
.cache_mode
) {
2527 case pg_pool_t::CACHEMODE_WRITEBACK
:
2529 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2530 if (!op
->may_write() && !op
->may_cache() &&
2531 !write_ordered
&& !must_promote
) {
2532 dout(20) << __func__
<< " cache pool full, proxying read" << dendl
;
2534 return cache_result_t::HANDLED_PROXY
;
2536 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2537 block_write_on_full_cache(missing_oid
, op
);
2538 return cache_result_t::BLOCKED_FULL
;
2541 if (must_promote
|| (!hit_set
&& !op
->need_skip_promote())) {
2542 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2543 return cache_result_t::BLOCKED_PROMOTE
;
2546 if (op
->may_write() || op
->may_cache()) {
2547 if (can_proxy_write
) {
2548 do_proxy_write(op
, missing_oid
);
2550 // promote if can't proxy the write
2551 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2552 return cache_result_t::BLOCKED_PROMOTE
;
2556 if (!op
->need_skip_promote() &&
2557 maybe_promote(obc
, missing_oid
, oloc
, in_hit_set
,
2558 pool
.info
.min_write_recency_for_promote
,
2561 return cache_result_t::BLOCKED_PROMOTE
;
2563 return cache_result_t::HANDLED_PROXY
;
2567 // Avoid duplicate promotion
2568 if (obc
.get() && obc
->is_blocked()) {
2571 return cache_result_t::BLOCKED_PROMOTE
;
2575 if (!op
->need_skip_promote()) {
2576 (void)maybe_promote(obc
, missing_oid
, oloc
, in_hit_set
,
2577 pool
.info
.min_read_recency_for_promote
,
2578 promote_op
, promote_obc
);
2581 return cache_result_t::HANDLED_PROXY
;
2583 assert(0 == "unreachable");
2584 return cache_result_t::NOOP
;
2586 case pg_pool_t::CACHEMODE_FORWARD
:
2587 // FIXME: this mode allows requests to be reordered.
2588 do_cache_redirect(op
);
2589 return cache_result_t::HANDLED_REDIRECT
;
2591 case pg_pool_t::CACHEMODE_READONLY
:
2592 // TODO: clean this case up
2593 if (!obc
.get() && r
== -ENOENT
) {
2594 // we don't have the object and op's a read
2595 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2596 return cache_result_t::BLOCKED_PROMOTE
;
2598 if (!r
) { // it must be a write
2599 do_cache_redirect(op
);
2600 return cache_result_t::HANDLED_REDIRECT
;
2602 // crap, there was a failure of some kind
2603 return cache_result_t::NOOP
;
2605 case pg_pool_t::CACHEMODE_READFORWARD
:
2606 // Do writeback to the cache tier for writes
2607 if (op
->may_write() || write_ordered
|| must_promote
) {
2609 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2610 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2611 block_write_on_full_cache(missing_oid
, op
);
2612 return cache_result_t::BLOCKED_FULL
;
2614 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2615 return cache_result_t::BLOCKED_PROMOTE
;
2618 // If it is a read, we can read, we need to forward it
2619 do_cache_redirect(op
);
2620 return cache_result_t::HANDLED_REDIRECT
;
2622 case pg_pool_t::CACHEMODE_PROXY
:
2623 if (!must_promote
) {
2624 if (op
->may_write() || op
->may_cache() || write_ordered
) {
2625 if (can_proxy_write
) {
2626 do_proxy_write(op
, missing_oid
);
2627 return cache_result_t::HANDLED_PROXY
;
2631 return cache_result_t::HANDLED_PROXY
;
2634 // ugh, we're forced to promote.
2636 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2637 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2638 block_write_on_full_cache(missing_oid
, op
);
2639 return cache_result_t::BLOCKED_FULL
;
2641 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2642 return cache_result_t::BLOCKED_PROMOTE
;
2644 case pg_pool_t::CACHEMODE_READPROXY
:
2645 // Do writeback to the cache tier for writes
2646 if (op
->may_write() || write_ordered
|| must_promote
) {
2648 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2649 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2650 block_write_on_full_cache(missing_oid
, op
);
2651 return cache_result_t::BLOCKED_FULL
;
2653 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2654 return cache_result_t::BLOCKED_PROMOTE
;
2657 // If it is a read, we can read, we need to proxy it
2659 return cache_result_t::HANDLED_PROXY
;
2662 assert(0 == "unrecognized cache_mode");
2664 return cache_result_t::NOOP
;
2667 bool PrimaryLogPG::maybe_promote(ObjectContextRef obc
,
2668 const hobject_t
& missing_oid
,
2669 const object_locator_t
& oloc
,
2672 OpRequestRef promote_op
,
2673 ObjectContextRef
*promote_obc
)
2675 dout(20) << __func__
<< " missing_oid " << missing_oid
2676 << " in_hit_set " << in_hit_set
<< dendl
;
2682 // Check if in the current hit set
2692 unsigned count
= (int)in_hit_set
;
2694 // Check if in other hit sets
2695 const hobject_t
& oid
= obc
.get() ? obc
->obs
.oi
.soid
: missing_oid
;
2696 for (map
<time_t,HitSetRef
>::reverse_iterator itor
=
2697 agent_state
->hit_set_map
.rbegin();
2698 itor
!= agent_state
->hit_set_map
.rend();
2700 if (!itor
->second
->contains(oid
)) {
2704 if (count
>= recency
) {
2709 if (count
>= recency
) {
2712 return false; // not promoting
2717 if (osd
->promote_throttle()) {
2718 dout(10) << __func__
<< " promote throttled" << dendl
;
2721 promote_object(obc
, missing_oid
, oloc
, promote_op
, promote_obc
);
2725 void PrimaryLogPG::do_cache_redirect(OpRequestRef op
)
2727 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2728 int flags
= m
->get_flags() & (CEPH_OSD_FLAG_ACK
|CEPH_OSD_FLAG_ONDISK
);
2729 MOSDOpReply
*reply
= new MOSDOpReply(m
, -ENOENT
,
2730 get_osdmap()->get_epoch(), flags
, false);
2731 request_redirect_t
redir(m
->get_object_locator(), pool
.info
.tier_of
);
2732 reply
->set_redirect(redir
);
2733 dout(10) << "sending redirect to pool " << pool
.info
.tier_of
<< " for op "
2735 m
->get_connection()->send_message(reply
);
2739 struct C_ProxyRead
: public Context
{
2742 epoch_t last_peering_reset
;
2744 PrimaryLogPG::ProxyReadOpRef prdop
;
2746 C_ProxyRead(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
2747 const PrimaryLogPG::ProxyReadOpRef
& prd
)
2748 : pg(p
), oid(o
), last_peering_reset(lpr
),
2749 tid(0), prdop(prd
), start(ceph_clock_now())
2751 void finish(int r
) override
{
2752 if (prdop
->canceled
)
2755 if (prdop
->canceled
) {
2759 if (last_peering_reset
== pg
->get_last_peering_reset()) {
2760 pg
->finish_proxy_read(oid
, tid
, r
);
2761 pg
->osd
->logger
->tinc(l_osd_tier_r_lat
, ceph_clock_now() - start
);
2767 void PrimaryLogPG::do_proxy_read(OpRequestRef op
, ObjectContextRef obc
)
2769 // NOTE: non-const here because the ProxyReadOp needs mutable refs to
2770 // stash the result in the request's OSDOp vector
2771 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
2772 object_locator_t oloc
;
2774 /* extensible tier */
2775 if (obc
&& obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2776 switch (obc
->obs
.oi
.manifest
.type
) {
2777 case object_manifest_t::TYPE_REDIRECT
:
2778 oloc
= object_locator_t(obc
->obs
.oi
.manifest
.redirect_target
);
2779 soid
= obc
->obs
.oi
.manifest
.redirect_target
;
2781 case object_manifest_t::TYPE_CHUNKED
:
2783 assert(0 == "unrecognized manifest type");
2787 soid
= m
->get_hobj();
2788 oloc
= object_locator_t(m
->get_object_locator());
2789 oloc
.pool
= pool
.info
.tier_of
;
2791 unsigned flags
= CEPH_OSD_FLAG_IGNORE_CACHE
| CEPH_OSD_FLAG_IGNORE_OVERLAY
;
2793 // pass through some original flags that make sense.
2794 // - leave out redirection and balancing flags since we are
2795 // already proxying through the primary
2796 // - leave off read/write/exec flags that are derived from the op
2797 flags
|= m
->get_flags() & (CEPH_OSD_FLAG_RWORDERED
|
2798 CEPH_OSD_FLAG_ORDERSNAP
|
2799 CEPH_OSD_FLAG_ENFORCE_SNAPC
|
2800 CEPH_OSD_FLAG_MAP_SNAP_CLONE
);
2802 dout(10) << __func__
<< " Start proxy read for " << *m
<< dendl
;
2804 ProxyReadOpRef
prdop(std::make_shared
<ProxyReadOp
>(op
, soid
, m
->ops
));
2806 ObjectOperation obj_op
;
2807 obj_op
.dup(prdop
->ops
);
2809 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_WRITEBACK
&&
2810 (agent_state
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
)) {
2811 for (unsigned i
= 0; i
< obj_op
.ops
.size(); i
++) {
2812 ceph_osd_op op
= obj_op
.ops
[i
].op
;
2814 case CEPH_OSD_OP_READ
:
2815 case CEPH_OSD_OP_SYNC_READ
:
2816 case CEPH_OSD_OP_SPARSE_READ
:
2817 case CEPH_OSD_OP_CHECKSUM
:
2818 case CEPH_OSD_OP_CMPEXT
:
2819 op
.flags
= (op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL
) &
2820 ~(CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
| CEPH_OSD_OP_FLAG_FADVISE_NOCACHE
);
2825 C_ProxyRead
*fin
= new C_ProxyRead(this, soid
, get_last_peering_reset(),
2827 ceph_tid_t tid
= osd
->objecter
->read(
2828 soid
.oid
, oloc
, obj_op
,
2829 m
->get_snapid(), NULL
,
2830 flags
, new C_OnFinisher(fin
, &osd
->objecter_finisher
),
2831 &prdop
->user_version
,
2832 &prdop
->data_offset
,
2835 prdop
->objecter_tid
= tid
;
2836 proxyread_ops
[tid
] = prdop
;
2837 in_progress_proxy_ops
[soid
].push_back(op
);
2840 void PrimaryLogPG::finish_proxy_read(hobject_t oid
, ceph_tid_t tid
, int r
)
2842 dout(10) << __func__
<< " " << oid
<< " tid " << tid
2843 << " " << cpp_strerror(r
) << dendl
;
2845 map
<ceph_tid_t
, ProxyReadOpRef
>::iterator p
= proxyread_ops
.find(tid
);
2846 if (p
== proxyread_ops
.end()) {
2847 dout(10) << __func__
<< " no proxyread_op found" << dendl
;
2850 ProxyReadOpRef prdop
= p
->second
;
2851 if (tid
!= prdop
->objecter_tid
) {
2852 dout(10) << __func__
<< " tid " << tid
<< " != prdop " << prdop
2853 << " tid " << prdop
->objecter_tid
<< dendl
;
2856 if (oid
!= prdop
->soid
) {
2857 dout(10) << __func__
<< " oid " << oid
<< " != prdop " << prdop
2858 << " soid " << prdop
->soid
<< dendl
;
2861 proxyread_ops
.erase(tid
);
2863 map
<hobject_t
, list
<OpRequestRef
>>::iterator q
= in_progress_proxy_ops
.find(oid
);
2864 if (q
== in_progress_proxy_ops
.end()) {
2865 dout(10) << __func__
<< " no in_progress_proxy_ops found" << dendl
;
2868 assert(q
->second
.size());
2869 list
<OpRequestRef
>::iterator it
= std::find(q
->second
.begin(),
2872 assert(it
!= q
->second
.end());
2873 OpRequestRef op
= *it
;
2874 q
->second
.erase(it
);
2875 if (q
->second
.size() == 0) {
2876 in_progress_proxy_ops
.erase(oid
);
2879 osd
->logger
->inc(l_osd_tier_proxy_read
);
2881 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2882 OpContext
*ctx
= new OpContext(op
, m
->get_reqid(), &prdop
->ops
, this);
2883 ctx
->reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, false);
2884 ctx
->user_at_version
= prdop
->user_version
;
2885 ctx
->data_off
= prdop
->data_offset
;
2886 ctx
->ignore_log_op_stats
= true;
2887 complete_read_ctx(r
, ctx
);
2890 void PrimaryLogPG::kick_proxy_ops_blocked(hobject_t
& soid
)
2892 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
= in_progress_proxy_ops
.find(soid
);
2893 if (p
== in_progress_proxy_ops
.end())
2896 list
<OpRequestRef
>& ls
= p
->second
;
2897 dout(10) << __func__
<< " " << soid
<< " requeuing " << ls
.size() << " requests" << dendl
;
2899 in_progress_proxy_ops
.erase(p
);
2902 void PrimaryLogPG::cancel_proxy_read(ProxyReadOpRef prdop
)
2904 dout(10) << __func__
<< " " << prdop
->soid
<< dendl
;
2905 prdop
->canceled
= true;
2907 // cancel objecter op, if we can
2908 if (prdop
->objecter_tid
) {
2909 osd
->objecter
->op_cancel(prdop
->objecter_tid
, -ECANCELED
);
2910 for (uint32_t i
= 0; i
< prdop
->ops
.size(); i
++) {
2911 prdop
->ops
[i
].outdata
.clear();
2913 proxyread_ops
.erase(prdop
->objecter_tid
);
2914 prdop
->objecter_tid
= 0;
2918 void PrimaryLogPG::cancel_proxy_ops(bool requeue
)
2920 dout(10) << __func__
<< dendl
;
2922 // cancel proxy reads
2923 map
<ceph_tid_t
, ProxyReadOpRef
>::iterator p
= proxyread_ops
.begin();
2924 while (p
!= proxyread_ops
.end()) {
2925 cancel_proxy_read((p
++)->second
);
2928 // cancel proxy writes
2929 map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator q
= proxywrite_ops
.begin();
2930 while (q
!= proxywrite_ops
.end()) {
2931 cancel_proxy_write((q
++)->second
);
2935 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
=
2936 in_progress_proxy_ops
.begin();
2937 while (p
!= in_progress_proxy_ops
.end()) {
2938 list
<OpRequestRef
>& ls
= p
->second
;
2939 dout(10) << __func__
<< " " << p
->first
<< " requeuing " << ls
.size()
2940 << " requests" << dendl
;
2942 in_progress_proxy_ops
.erase(p
++);
2945 in_progress_proxy_ops
.clear();
2949 struct C_ProxyWrite_Commit
: public Context
{
2952 epoch_t last_peering_reset
;
2954 PrimaryLogPG::ProxyWriteOpRef pwop
;
2955 C_ProxyWrite_Commit(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
2956 const PrimaryLogPG::ProxyWriteOpRef
& pw
)
2957 : pg(p
), oid(o
), last_peering_reset(lpr
),
2960 void finish(int r
) override
{
2964 if (pwop
->canceled
) {
2968 if (last_peering_reset
== pg
->get_last_peering_reset()) {
2969 pg
->finish_proxy_write(oid
, tid
, r
);
2975 void PrimaryLogPG::do_proxy_write(OpRequestRef op
, const hobject_t
& missing_oid
, ObjectContextRef obc
)
2977 // NOTE: non-const because ProxyWriteOp takes a mutable ref
2978 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
2979 object_locator_t oloc
;
2980 SnapContext
snapc(m
->get_snap_seq(), m
->get_snaps());
2982 /* extensible tier */
2983 if (obc
&& obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2984 switch (obc
->obs
.oi
.manifest
.type
) {
2985 case object_manifest_t::TYPE_REDIRECT
:
2986 oloc
= object_locator_t(obc
->obs
.oi
.manifest
.redirect_target
);
2987 soid
= obc
->obs
.oi
.manifest
.redirect_target
;
2989 case object_manifest_t::TYPE_CHUNKED
:
2991 assert(0 == "unrecognized manifest type");
2995 soid
= m
->get_hobj();
2996 oloc
= object_locator_t(m
->get_object_locator());
2997 oloc
.pool
= pool
.info
.tier_of
;
3000 unsigned flags
= CEPH_OSD_FLAG_IGNORE_CACHE
| CEPH_OSD_FLAG_IGNORE_OVERLAY
;
3001 if (!(op
->may_write() || op
->may_cache())) {
3002 flags
|= CEPH_OSD_FLAG_RWORDERED
;
3004 dout(10) << __func__
<< " Start proxy write for " << *m
<< dendl
;
3006 ProxyWriteOpRef
pwop(std::make_shared
<ProxyWriteOp
>(op
, soid
, m
->ops
, m
->get_reqid()));
3007 pwop
->ctx
= new OpContext(op
, m
->get_reqid(), &pwop
->ops
, this);
3008 pwop
->mtime
= m
->get_mtime();
3010 ObjectOperation obj_op
;
3011 obj_op
.dup(pwop
->ops
);
3013 C_ProxyWrite_Commit
*fin
= new C_ProxyWrite_Commit(
3014 this, soid
, get_last_peering_reset(), pwop
);
3015 ceph_tid_t tid
= osd
->objecter
->mutate(
3016 soid
.oid
, oloc
, obj_op
, snapc
,
3017 ceph::real_clock::from_ceph_timespec(pwop
->mtime
),
3018 flags
, new C_OnFinisher(fin
, &osd
->objecter_finisher
),
3019 &pwop
->user_version
, pwop
->reqid
);
3021 pwop
->objecter_tid
= tid
;
3022 proxywrite_ops
[tid
] = pwop
;
3023 in_progress_proxy_ops
[soid
].push_back(op
);
3026 void PrimaryLogPG::finish_proxy_write(hobject_t oid
, ceph_tid_t tid
, int r
)
3028 dout(10) << __func__
<< " " << oid
<< " tid " << tid
3029 << " " << cpp_strerror(r
) << dendl
;
3031 map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator p
= proxywrite_ops
.find(tid
);
3032 if (p
== proxywrite_ops
.end()) {
3033 dout(10) << __func__
<< " no proxywrite_op found" << dendl
;
3036 ProxyWriteOpRef pwop
= p
->second
;
3037 assert(tid
== pwop
->objecter_tid
);
3038 assert(oid
== pwop
->soid
);
3040 proxywrite_ops
.erase(tid
);
3042 map
<hobject_t
, list
<OpRequestRef
> >::iterator q
= in_progress_proxy_ops
.find(oid
);
3043 if (q
== in_progress_proxy_ops
.end()) {
3044 dout(10) << __func__
<< " no in_progress_proxy_ops found" << dendl
;
3049 list
<OpRequestRef
>& in_progress_op
= q
->second
;
3050 assert(in_progress_op
.size());
3051 list
<OpRequestRef
>::iterator it
= std::find(in_progress_op
.begin(),
3052 in_progress_op
.end(),
3054 assert(it
!= in_progress_op
.end());
3055 in_progress_op
.erase(it
);
3056 if (in_progress_op
.size() == 0) {
3057 in_progress_proxy_ops
.erase(oid
);
3060 osd
->logger
->inc(l_osd_tier_proxy_write
);
3062 const MOSDOp
*m
= static_cast<const MOSDOp
*>(pwop
->op
->get_req());
3065 if (!pwop
->sent_reply
) {
3067 MOSDOpReply
*reply
= pwop
->ctx
->reply
;
3069 pwop
->ctx
->reply
= NULL
;
3071 reply
= new MOSDOpReply(m
, r
, get_osdmap()->get_epoch(), 0, true);
3072 reply
->set_reply_versions(eversion_t(), pwop
->user_version
);
3074 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3075 dout(10) << " sending commit on " << pwop
<< " " << reply
<< dendl
;
3076 osd
->send_message_osd_client(reply
, m
->get_connection());
3077 pwop
->sent_reply
= true;
3078 pwop
->ctx
->op
->mark_commit_sent();
3085 void PrimaryLogPG::cancel_proxy_write(ProxyWriteOpRef pwop
)
3087 dout(10) << __func__
<< " " << pwop
->soid
<< dendl
;
3088 pwop
->canceled
= true;
3090 // cancel objecter op, if we can
3091 if (pwop
->objecter_tid
) {
3092 osd
->objecter
->op_cancel(pwop
->objecter_tid
, -ECANCELED
);
3095 proxywrite_ops
.erase(pwop
->objecter_tid
);
3096 pwop
->objecter_tid
= 0;
3100 class PromoteCallback
: public PrimaryLogPG::CopyCallback
{
3101 ObjectContextRef obc
;
3105 PromoteCallback(ObjectContextRef obc_
, PrimaryLogPG
*pg_
)
3108 start(ceph_clock_now()) {}
3110 void finish(PrimaryLogPG::CopyCallbackResults results
) override
{
3111 PrimaryLogPG::CopyResults
*results_data
= results
.get
<1>();
3112 int r
= results
.get
<0>();
3113 pg
->finish_promote(r
, results_data
, obc
);
3114 pg
->osd
->logger
->tinc(l_osd_tier_promote_lat
, ceph_clock_now() - start
);
3118 void PrimaryLogPG::promote_object(ObjectContextRef obc
,
3119 const hobject_t
& missing_oid
,
3120 const object_locator_t
& oloc
,
3122 ObjectContextRef
*promote_obc
)
3124 hobject_t hoid
= obc
? obc
->obs
.oi
.soid
: missing_oid
;
3125 assert(hoid
!= hobject_t());
3126 if (scrubber
.write_blocked_by_scrub(hoid
)) {
3127 dout(10) << __func__
<< " " << hoid
3128 << " blocked by scrub" << dendl
;
3130 waiting_for_scrub
.push_back(op
);
3131 op
->mark_delayed("waiting for scrub");
3132 dout(10) << __func__
<< " " << hoid
3133 << " placing op in waiting_for_scrub" << dendl
;
3135 dout(10) << __func__
<< " " << hoid
3136 << " no op, dropping on the floor" << dendl
;
3140 if (!obc
) { // we need to create an ObjectContext
3141 assert(missing_oid
!= hobject_t());
3142 obc
= get_object_context(missing_oid
, true);
3148 * Before promote complete, if there are proxy-reads for the object,
3149 * for this case we don't use DONTNEED.
3151 unsigned src_fadvise_flags
= LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL
;
3152 map
<hobject_t
, list
<OpRequestRef
>>::iterator q
= in_progress_proxy_ops
.find(obc
->obs
.oi
.soid
);
3153 if (q
== in_progress_proxy_ops
.end()) {
3154 src_fadvise_flags
|= LIBRADOS_OP_FLAG_FADVISE_DONTNEED
;
3157 PromoteCallback
*cb
= new PromoteCallback(obc
, this);
3158 object_locator_t my_oloc
= oloc
;
3159 my_oloc
.pool
= pool
.info
.tier_of
;
3161 unsigned flags
= CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
|
3162 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
|
3163 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
|
3164 CEPH_OSD_COPY_FROM_FLAG_RWORDERED
;
3165 start_copy(cb
, obc
, obc
->obs
.oi
.soid
, my_oloc
, 0, flags
,
3166 obc
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
,
3167 src_fadvise_flags
, 0);
3169 assert(obc
->is_blocked());
3172 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
3173 info
.stats
.stats
.sum
.num_promote
++;
3176 void PrimaryLogPG::execute_ctx(OpContext
*ctx
)
3179 dout(10) << __func__
<< " " << ctx
<< dendl
;
3180 ctx
->reset_obs(ctx
->obc
);
3181 ctx
->update_log_only
= false; // reset in case finish_copyfrom() is re-running execute_ctx
3182 OpRequestRef op
= ctx
->op
;
3183 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
3184 ObjectContextRef obc
= ctx
->obc
;
3185 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
3187 // this method must be idempotent since we may call it several times
3188 // before we finally apply the resulting transaction.
3189 ctx
->op_t
.reset(new PGTransaction
);
3191 if (op
->may_write() || op
->may_cache()) {
3193 if (!(m
->has_flag(CEPH_OSD_FLAG_ENFORCE_SNAPC
)) &&
3194 pool
.info
.is_pool_snaps_mode()) {
3196 ctx
->snapc
= pool
.snapc
;
3198 // client specified snapc
3199 ctx
->snapc
.seq
= m
->get_snap_seq();
3200 ctx
->snapc
.snaps
= m
->get_snaps();
3201 filter_snapc(ctx
->snapc
.snaps
);
3203 if ((m
->has_flag(CEPH_OSD_FLAG_ORDERSNAP
)) &&
3204 ctx
->snapc
.seq
< obc
->ssc
->snapset
.seq
) {
3205 dout(10) << " ORDERSNAP flag set and snapc seq " << ctx
->snapc
.seq
3206 << " < snapset seq " << obc
->ssc
->snapset
.seq
3207 << " on " << obc
->obs
.oi
.soid
<< dendl
;
3208 reply_ctx(ctx
, -EOLDSNAPC
);
3213 ctx
->at_version
= get_next_version();
3214 ctx
->mtime
= m
->get_mtime();
3216 dout(10) << __func__
<< " " << soid
<< " " << *ctx
->ops
3217 << " ov " << obc
->obs
.oi
.version
<< " av " << ctx
->at_version
3218 << " snapc " << ctx
->snapc
3219 << " snapset " << obc
->ssc
->snapset
3222 dout(10) << __func__
<< " " << soid
<< " " << *ctx
->ops
3223 << " ov " << obc
->obs
.oi
.version
3227 if (!ctx
->user_at_version
)
3228 ctx
->user_at_version
= obc
->obs
.oi
.user_version
;
3229 dout(30) << __func__
<< " user_at_version " << ctx
->user_at_version
<< dendl
;
3231 if (op
->may_read()) {
3232 dout(10) << " taking ondisk_read_lock" << dendl
;
3233 obc
->ondisk_read_lock();
3238 osd_reqid_t reqid
= ctx
->op
->get_reqid();
3240 tracepoint(osd
, prepare_tx_enter
, reqid
.name
._type
,
3241 reqid
.name
._num
, reqid
.tid
, reqid
.inc
);
3244 int result
= prepare_transaction(ctx
);
3248 osd_reqid_t reqid
= ctx
->op
->get_reqid();
3250 tracepoint(osd
, prepare_tx_exit
, reqid
.name
._type
,
3251 reqid
.name
._num
, reqid
.tid
, reqid
.inc
);
3254 if (op
->may_read()) {
3255 dout(10) << " dropping ondisk_read_lock" << dendl
;
3256 obc
->ondisk_read_unlock();
3259 bool pending_async_reads
= !ctx
->pending_async_reads
.empty();
3260 if (result
== -EINPROGRESS
|| pending_async_reads
) {
3262 if (pending_async_reads
) {
3263 in_progress_async_reads
.push_back(make_pair(op
, ctx
));
3264 ctx
->start_async_reads(this);
3269 if (result
== -EAGAIN
) {
3270 // clean up after the ctx
3275 bool successful_write
= !ctx
->op_t
->empty() && op
->may_write() && result
>= 0;
3276 // prepare the reply
3277 ctx
->reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0,
3280 // Write operations aren't allowed to return a data payload because
3281 // we can't do so reliably. If the client has to resend the request
3282 // and it has already been applied, we will return 0 with no
3283 // payload. Non-deterministic behavior is no good. However, it is
3284 // possible to construct an operation that does a read, does a guard
3285 // check (e.g., CMPXATTR), and then a write. Then we either succeed
3286 // with the write, or return a CMPXATTR and the read value.
3287 if (successful_write
) {
3288 // write. normalize the result code.
3289 dout(20) << " zeroing write result code " << result
<< dendl
;
3292 ctx
->reply
->set_result(result
);
3295 if ((ctx
->op_t
->empty() || result
< 0) && !ctx
->update_log_only
) {
3296 // finish side-effects
3298 do_osd_op_effects(ctx
, m
->get_connection());
3300 complete_read_ctx(result
, ctx
);
3304 ctx
->reply
->set_reply_versions(ctx
->at_version
, ctx
->user_at_version
);
3306 assert(op
->may_write() || op
->may_cache());
3311 // verify that we are doing this in order?
3312 if (cct
->_conf
->osd_debug_op_order
&& m
->get_source().is_client() &&
3313 !pool
.info
.is_tier() && !pool
.info
.has_tiers()) {
3314 map
<client_t
,ceph_tid_t
>& cm
= debug_op_order
[obc
->obs
.oi
.soid
];
3315 ceph_tid_t t
= m
->get_tid();
3316 client_t n
= m
->get_source().num();
3317 map
<client_t
,ceph_tid_t
>::iterator p
= cm
.find(n
);
3318 if (p
== cm
.end()) {
3319 dout(20) << " op order client." << n
<< " tid " << t
<< " (first)" << dendl
;
3322 dout(20) << " op order client." << n
<< " tid " << t
<< " last was " << p
->second
<< dendl
;
3323 if (p
->second
> t
) {
3324 derr
<< "bad op order, already applied " << p
->second
<< " > this " << t
<< dendl
;
3325 assert(0 == "out of order op");
3331 if (ctx
->update_log_only
) {
3333 do_osd_op_effects(ctx
, m
->get_connection());
3335 dout(20) << __func__
<< " update_log_only -- result=" << result
<< dendl
;
3336 // save just what we need from ctx
3337 MOSDOpReply
*reply
= ctx
->reply
;
3338 ctx
->reply
= nullptr;
3339 reply
->claim_op_out_data(*ctx
->ops
);
3340 reply
->get_header().data_off
= (ctx
->data_off
? *ctx
->data_off
: 0);
3343 if (result
== -ENOENT
) {
3344 reply
->set_enoent_reply_versions(info
.last_update
,
3345 info
.last_user_version
);
3347 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3348 // append to pg log for dup detection - don't save buffers for now
3349 record_write_error(op
, soid
, reply
, result
);
3353 // no need to capture PG ref, repop cancel will handle that
3354 // Can capture the ctx by pointer, it's owned by the repop
3355 ctx
->register_on_commit(
3361 if (m
&& !ctx
->sent_reply
) {
3362 MOSDOpReply
*reply
= ctx
->reply
;
3364 ctx
->reply
= nullptr;
3366 reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, true);
3367 reply
->set_reply_versions(ctx
->at_version
,
3368 ctx
->user_at_version
);
3370 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3371 dout(10) << " sending reply on " << *m
<< " " << reply
<< dendl
;
3372 osd
->send_message_osd_client(reply
, m
->get_connection());
3373 ctx
->sent_reply
= true;
3374 ctx
->op
->mark_commit_sent();
3377 ctx
->register_on_success(
3381 ctx
->op
? ctx
->op
->get_req()->get_connection() :
3384 ctx
->register_on_finish(
3389 // issue replica writes
3390 ceph_tid_t rep_tid
= osd
->get_tid();
3392 RepGather
*repop
= new_repop(ctx
, obc
, rep_tid
);
3394 issue_repop(repop
, ctx
);
3399 void PrimaryLogPG::close_op_ctx(OpContext
*ctx
) {
3400 release_object_locks(ctx
->lock_manager
);
3404 for (auto p
= ctx
->on_finish
.begin(); p
!= ctx
->on_finish
.end();
3405 ctx
->on_finish
.erase(p
++)) {
3411 void PrimaryLogPG::reply_ctx(OpContext
*ctx
, int r
)
3414 osd
->reply_op_error(ctx
->op
, r
);
3418 void PrimaryLogPG::reply_ctx(OpContext
*ctx
, int r
, eversion_t v
, version_t uv
)
3421 osd
->reply_op_error(ctx
->op
, r
, v
, uv
);
3425 void PrimaryLogPG::log_op_stats(OpContext
*ctx
)
3427 OpRequestRef op
= ctx
->op
;
3428 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
3430 utime_t now
= ceph_clock_now();
3431 utime_t latency
= now
;
3432 latency
-= ctx
->op
->get_req()->get_recv_stamp();
3433 utime_t process_latency
= now
;
3434 process_latency
-= ctx
->op
->get_dequeued_time();
3436 uint64_t inb
= ctx
->bytes_written
;
3437 uint64_t outb
= ctx
->bytes_read
;
3439 osd
->logger
->inc(l_osd_op
);
3441 osd
->logger
->inc(l_osd_op_outb
, outb
);
3442 osd
->logger
->inc(l_osd_op_inb
, inb
);
3443 osd
->logger
->tinc(l_osd_op_lat
, latency
);
3444 osd
->logger
->tinc(l_osd_op_process_lat
, process_latency
);
3446 if (op
->may_read() && op
->may_write()) {
3447 osd
->logger
->inc(l_osd_op_rw
);
3448 osd
->logger
->inc(l_osd_op_rw_inb
, inb
);
3449 osd
->logger
->inc(l_osd_op_rw_outb
, outb
);
3450 osd
->logger
->tinc(l_osd_op_rw_lat
, latency
);
3451 osd
->logger
->hinc(l_osd_op_rw_lat_inb_hist
, latency
.to_nsec(), inb
);
3452 osd
->logger
->hinc(l_osd_op_rw_lat_outb_hist
, latency
.to_nsec(), outb
);
3453 osd
->logger
->tinc(l_osd_op_rw_process_lat
, process_latency
);
3454 } else if (op
->may_read()) {
3455 osd
->logger
->inc(l_osd_op_r
);
3456 osd
->logger
->inc(l_osd_op_r_outb
, outb
);
3457 osd
->logger
->tinc(l_osd_op_r_lat
, latency
);
3458 osd
->logger
->hinc(l_osd_op_r_lat_outb_hist
, latency
.to_nsec(), outb
);
3459 osd
->logger
->tinc(l_osd_op_r_process_lat
, process_latency
);
3460 } else if (op
->may_write() || op
->may_cache()) {
3461 osd
->logger
->inc(l_osd_op_w
);
3462 osd
->logger
->inc(l_osd_op_w_inb
, inb
);
3463 osd
->logger
->tinc(l_osd_op_w_lat
, latency
);
3464 osd
->logger
->hinc(l_osd_op_w_lat_inb_hist
, latency
.to_nsec(), inb
);
3465 osd
->logger
->tinc(l_osd_op_w_process_lat
, process_latency
);
3469 dout(15) << "log_op_stats " << *m
3472 << " lat " << latency
<< dendl
;
3475 void PrimaryLogPG::do_sub_op(OpRequestRef op
)
3477 const MOSDSubOp
*m
= static_cast<const MOSDSubOp
*>(op
->get_req());
3478 assert(have_same_or_newer_map(m
->map_epoch
));
3479 assert(m
->get_type() == MSG_OSD_SUBOP
);
3480 dout(15) << "do_sub_op " << *op
->get_req() << dendl
;
3483 waiting_for_peered
.push_back(op
);
3484 op
->mark_delayed("waiting for active");
3488 const OSDOp
*first
= NULL
;
3489 if (m
->ops
.size() >= 1) {
3494 switch (first
->op
.op
) {
3495 case CEPH_OSD_OP_DELETE
:
3498 case CEPH_OSD_OP_SCRUB_RESERVE
:
3499 handle_scrub_reserve_request(op
);
3501 case CEPH_OSD_OP_SCRUB_UNRESERVE
:
3502 handle_scrub_reserve_release(op
);
3504 case CEPH_OSD_OP_SCRUB_MAP
:
3505 sub_op_scrub_map(op
);
3511 void PrimaryLogPG::do_sub_op_reply(OpRequestRef op
)
3513 const MOSDSubOpReply
*r
= static_cast<const MOSDSubOpReply
*>(op
->get_req());
3514 assert(r
->get_type() == MSG_OSD_SUBOPREPLY
);
3515 if (r
->ops
.size() >= 1) {
3516 const OSDOp
& first
= r
->ops
[0];
3517 switch (first
.op
.op
) {
3518 case CEPH_OSD_OP_SCRUB_RESERVE
:
3520 pg_shard_t from
= r
->from
;
3521 bufferlist::iterator p
= const_cast<bufferlist
&>(r
->get_data()).begin();
3523 ::decode(reserved
, p
);
3525 handle_scrub_reserve_grant(op
, from
);
3527 handle_scrub_reserve_reject(op
, from
);
3535 void PrimaryLogPG::do_scan(
3537 ThreadPool::TPHandle
&handle
)
3539 const MOSDPGScan
*m
= static_cast<const MOSDPGScan
*>(op
->get_req());
3540 assert(m
->get_type() == MSG_OSD_PG_SCAN
);
3541 dout(10) << "do_scan " << *m
<< dendl
;
3546 case MOSDPGScan::OP_SCAN_GET_DIGEST
:
3549 if (osd
->check_backfill_full(ss
)) {
3550 dout(1) << __func__
<< ": Canceling backfill, " << ss
.str() << dendl
;
3551 queue_peering_event(
3553 std::make_shared
<CephPeeringEvt
>(
3554 get_osdmap()->get_epoch(),
3555 get_osdmap()->get_epoch(),
3556 BackfillTooFull())));
3560 BackfillInterval bi
;
3561 bi
.begin
= m
->begin
;
3562 // No need to flush, there won't be any in progress writes occuring
3565 cct
->_conf
->osd_backfill_scan_min
,
3566 cct
->_conf
->osd_backfill_scan_max
,
3569 MOSDPGScan
*reply
= new MOSDPGScan(
3570 MOSDPGScan::OP_SCAN_DIGEST
,
3572 get_osdmap()->get_epoch(), m
->query_epoch
,
3573 spg_t(info
.pgid
.pgid
, get_primary().shard
), bi
.begin
, bi
.end
);
3574 ::encode(bi
.objects
, reply
->get_data());
3575 osd
->send_message_osd_cluster(reply
, m
->get_connection());
3579 case MOSDPGScan::OP_SCAN_DIGEST
:
3581 pg_shard_t from
= m
->from
;
3583 // Check that from is in backfill_targets vector
3584 assert(is_backfill_targets(from
));
3586 BackfillInterval
& bi
= peer_backfill_info
[from
];
3587 bi
.begin
= m
->begin
;
3589 bufferlist::iterator p
= const_cast<bufferlist
&>(m
->get_data()).begin();
3591 // take care to preserve ordering!
3593 ::decode_noclear(bi
.objects
, p
);
3595 if (waiting_on_backfill
.erase(from
)) {
3596 if (waiting_on_backfill
.empty()) {
3597 assert(peer_backfill_info
.size() == backfill_targets
.size());
3598 finish_recovery_op(hobject_t::get_max());
3601 // we canceled backfill for a while due to a too full, and this
3602 // is an extra response from a non-too-full peer
3609 void PrimaryLogPG::do_backfill(OpRequestRef op
)
3611 const MOSDPGBackfill
*m
= static_cast<const MOSDPGBackfill
*>(op
->get_req());
3612 assert(m
->get_type() == MSG_OSD_PG_BACKFILL
);
3613 dout(10) << "do_backfill " << *m
<< dendl
;
3618 case MOSDPGBackfill::OP_BACKFILL_FINISH
:
3620 assert(cct
->_conf
->osd_kill_backfill_at
!= 1);
3622 MOSDPGBackfill
*reply
= new MOSDPGBackfill(
3623 MOSDPGBackfill::OP_BACKFILL_FINISH_ACK
,
3624 get_osdmap()->get_epoch(),
3626 spg_t(info
.pgid
.pgid
, get_primary().shard
));
3627 reply
->set_priority(get_recovery_op_priority());
3628 osd
->send_message_osd_cluster(reply
, m
->get_connection());
3629 queue_peering_event(
3631 std::make_shared
<CephPeeringEvt
>(
3632 get_osdmap()->get_epoch(),
3633 get_osdmap()->get_epoch(),
3638 case MOSDPGBackfill::OP_BACKFILL_PROGRESS
:
3640 assert(cct
->_conf
->osd_kill_backfill_at
!= 2);
3642 info
.set_last_backfill(m
->last_backfill
);
3643 info
.stats
= m
->stats
;
3645 ObjectStore::Transaction t
;
3648 int tr
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
3653 case MOSDPGBackfill::OP_BACKFILL_FINISH_ACK
:
3655 assert(is_primary());
3656 assert(cct
->_conf
->osd_kill_backfill_at
!= 3);
3657 finish_recovery_op(hobject_t::get_max());
3663 void PrimaryLogPG::do_backfill_remove(OpRequestRef op
)
3665 const MOSDPGBackfillRemove
*m
= static_cast<const MOSDPGBackfillRemove
*>(
3667 assert(m
->get_type() == MSG_OSD_PG_BACKFILL_REMOVE
);
3668 dout(7) << __func__
<< " " << m
->ls
<< dendl
;
3672 ObjectStore::Transaction t
;
3673 for (auto& p
: m
->ls
) {
3674 remove_snap_mapped_object(t
, p
.first
);
3676 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
3680 int PrimaryLogPG::trim_object(
3681 bool first
, const hobject_t
&coid
, PrimaryLogPG::OpContextUPtr
*ctxp
)
3686 ObjectContextRef obc
= get_object_context(coid
, false, NULL
);
3687 if (!obc
|| !obc
->ssc
|| !obc
->ssc
->exists
) {
3688 osd
->clog
->error() << __func__
<< ": Can not trim " << coid
3689 << " repair needed " << (obc
? "(no obc->ssc or !exists)" : "(no obc)");
3694 coid
.oid
, coid
.get_key(),
3695 obc
->ssc
->snapset
.head_exists
? CEPH_NOSNAP
:CEPH_SNAPDIR
, coid
.get_hash(),
3696 info
.pgid
.pool(), coid
.get_namespace());
3697 ObjectContextRef snapset_obc
= get_object_context(snapoid
, false);
3699 osd
->clog
->error() << __func__
<< ": Can not trim " << coid
3700 << " repair needed, no snapset obc for " << snapoid
;
3704 SnapSet
& snapset
= obc
->ssc
->snapset
;
3706 bool legacy
= snapset
.is_legacy() ||
3707 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
3709 object_info_t
&coi
= obc
->obs
.oi
;
3710 set
<snapid_t
> old_snaps
;
3712 old_snaps
.insert(coi
.legacy_snaps
.begin(), coi
.legacy_snaps
.end());
3714 auto p
= snapset
.clone_snaps
.find(coid
.snap
);
3715 if (p
== snapset
.clone_snaps
.end()) {
3716 osd
->clog
->error() << "No clone_snaps in snapset " << snapset
3717 << " for object " << coid
<< "\n";
3720 old_snaps
.insert(snapset
.clone_snaps
[coid
.snap
].begin(),
3721 snapset
.clone_snaps
[coid
.snap
].end());
3723 if (old_snaps
.empty()) {
3724 osd
->clog
->error() << "No object info snaps for object " << coid
;
3728 dout(10) << coid
<< " old_snaps " << old_snaps
3729 << " old snapset " << snapset
<< dendl
;
3730 if (snapset
.seq
== 0) {
3731 osd
->clog
->error() << "No snapset.seq for object " << coid
;
3735 set
<snapid_t
> new_snaps
;
3736 for (set
<snapid_t
>::iterator i
= old_snaps
.begin();
3737 i
!= old_snaps
.end();
3739 if (!pool
.info
.is_removed_snap(*i
))
3740 new_snaps
.insert(*i
);
3743 vector
<snapid_t
>::iterator p
= snapset
.clones
.end();
3745 if (new_snaps
.empty()) {
3746 p
= std::find(snapset
.clones
.begin(), snapset
.clones
.end(), coid
.snap
);
3747 if (p
== snapset
.clones
.end()) {
3748 osd
->clog
->error() << "Snap " << coid
.snap
<< " not in clones";
3753 OpContextUPtr ctx
= simple_opc_create(obc
);
3754 ctx
->snapset_obc
= snapset_obc
;
3756 if (!ctx
->lock_manager
.get_snaptrimmer_write(
3760 close_op_ctx(ctx
.release());
3761 dout(10) << __func__
<< ": Unable to get a wlock on " << coid
<< dendl
;
3765 if (!ctx
->lock_manager
.get_snaptrimmer_write(
3769 close_op_ctx(ctx
.release());
3770 dout(10) << __func__
<< ": Unable to get a wlock on " << snapoid
<< dendl
;
3774 ctx
->at_version
= get_next_version();
3776 PGTransaction
*t
= ctx
->op_t
.get();
3778 if (new_snaps
.empty()) {
3780 dout(10) << coid
<< " snaps " << old_snaps
<< " -> "
3781 << new_snaps
<< " ... deleting" << dendl
;
3784 assert(p
!= snapset
.clones
.end());
3786 snapid_t last
= coid
.snap
;
3787 ctx
->delta_stats
.num_bytes
-= snapset
.get_clone_bytes(last
);
3789 if (p
!= snapset
.clones
.begin()) {
3790 // not the oldest... merge overlap into next older clone
3791 vector
<snapid_t
>::iterator n
= p
- 1;
3792 hobject_t prev_coid
= coid
;
3793 prev_coid
.snap
= *n
;
3794 bool adjust_prev_bytes
= is_present_clone(prev_coid
);
3796 if (adjust_prev_bytes
)
3797 ctx
->delta_stats
.num_bytes
-= snapset
.get_clone_bytes(*n
);
3799 snapset
.clone_overlap
[*n
].intersection_of(
3800 snapset
.clone_overlap
[*p
]);
3802 if (adjust_prev_bytes
)
3803 ctx
->delta_stats
.num_bytes
+= snapset
.get_clone_bytes(*n
);
3805 ctx
->delta_stats
.num_objects
--;
3807 ctx
->delta_stats
.num_objects_dirty
--;
3809 ctx
->delta_stats
.num_objects_omap
--;
3810 if (coi
.is_whiteout()) {
3811 dout(20) << __func__
<< " trimming whiteout on " << coid
<< dendl
;
3812 ctx
->delta_stats
.num_whiteouts
--;
3814 ctx
->delta_stats
.num_object_clones
--;
3815 if (coi
.is_cache_pinned())
3816 ctx
->delta_stats
.num_objects_pinned
--;
3817 obc
->obs
.exists
= false;
3819 snapset
.clones
.erase(p
);
3820 snapset
.clone_overlap
.erase(last
);
3821 snapset
.clone_size
.erase(last
);
3822 snapset
.clone_snaps
.erase(last
);
3826 pg_log_entry_t::DELETE
,
3829 ctx
->obs
->oi
.version
,
3841 coi
= object_info_t(coid
);
3843 ctx
->at_version
.version
++;
3845 // save adjusted snaps for this object
3846 dout(10) << coid
<< " snaps " << old_snaps
<< " -> " << new_snaps
<< dendl
;
3848 coi
.legacy_snaps
= vector
<snapid_t
>(new_snaps
.rbegin(), new_snaps
.rend());
3850 snapset
.clone_snaps
[coid
.snap
] = vector
<snapid_t
>(new_snaps
.rbegin(),
3852 // we still do a 'modify' event on this object just to trigger a
3853 // snapmapper.update ... :(
3856 coi
.prior_version
= coi
.version
;
3857 coi
.version
= ctx
->at_version
;
3859 ::encode(coi
, bl
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
3860 t
->setattr(coid
, OI_ATTR
, bl
);
3864 pg_log_entry_t::MODIFY
,
3873 ctx
->at_version
.version
++;
3881 // save head snapset
3882 dout(10) << coid
<< " new snapset " << snapset
<< " on "
3883 << snapset_obc
->obs
.oi
<< dendl
;
3884 if (snapset
.clones
.empty() &&
3885 (!snapset
.head_exists
||
3886 (snapset_obc
->obs
.oi
.is_whiteout() &&
3887 !(snapset_obc
->obs
.oi
.is_dirty() && pool
.info
.is_tier()) &&
3888 !snapset_obc
->obs
.oi
.is_cache_pinned()))) {
3889 // NOTE: this arguably constitutes minor interference with the
3890 // tiering agent if this is a cache tier since a snap trim event
3891 // is effectively evicting a whiteout we might otherwise want to
3893 dout(10) << coid
<< " removing " << snapoid
<< dendl
;
3896 pg_log_entry_t::DELETE
,
3899 ctx
->snapset_obc
->obs
.oi
.version
,
3905 if (snapoid
.is_head()) {
3906 derr
<< "removing snap head" << dendl
;
3907 object_info_t
& oi
= ctx
->snapset_obc
->obs
.oi
;
3908 ctx
->delta_stats
.num_objects
--;
3909 if (oi
.is_dirty()) {
3910 ctx
->delta_stats
.num_objects_dirty
--;
3913 ctx
->delta_stats
.num_objects_omap
--;
3914 if (oi
.is_whiteout()) {
3915 dout(20) << __func__
<< " trimming whiteout on " << oi
.soid
<< dendl
;
3916 ctx
->delta_stats
.num_whiteouts
--;
3918 if (oi
.is_cache_pinned()) {
3919 ctx
->delta_stats
.num_objects_pinned
--;
3922 ctx
->snapset_obc
->obs
.exists
= false;
3923 ctx
->snapset_obc
->obs
.oi
= object_info_t(snapoid
);
3926 dout(10) << coid
<< " filtering snapset on " << snapoid
<< dendl
;
3927 snapset
.filter(pool
.info
);
3928 dout(10) << coid
<< " writing updated snapset on " << snapoid
3929 << ", snapset is " << snapset
<< dendl
;
3932 pg_log_entry_t::MODIFY
,
3935 ctx
->snapset_obc
->obs
.oi
.version
,
3942 ctx
->snapset_obc
->obs
.oi
.prior_version
=
3943 ctx
->snapset_obc
->obs
.oi
.version
;
3944 ctx
->snapset_obc
->obs
.oi
.version
= ctx
->at_version
;
3946 map
<string
, bufferlist
> attrs
;
3948 ::encode(snapset
, bl
);
3949 attrs
[SS_ATTR
].claim(bl
);
3952 ::encode(ctx
->snapset_obc
->obs
.oi
, bl
,
3953 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
3954 attrs
[OI_ATTR
].claim(bl
);
3955 t
->setattrs(snapoid
, attrs
);
3958 *ctxp
= std::move(ctx
);
3962 void PrimaryLogPG::kick_snap_trim()
3964 assert(is_active());
3965 assert(is_primary());
3966 if (is_clean() && !snap_trimq
.empty()) {
3967 dout(10) << __func__
<< ": clean and snaps to trim, kicking" << dendl
;
3968 snap_trimmer_machine
.process_event(KickTrim());
3972 void PrimaryLogPG::snap_trimmer_scrub_complete()
3974 if (is_primary() && is_active() && is_clean()) {
3975 assert(!snap_trimq
.empty());
3976 snap_trimmer_machine
.process_event(ScrubComplete());
3980 void PrimaryLogPG::snap_trimmer(epoch_t queued
)
3982 if (deleting
|| pg_has_reset_since(queued
)) {
3986 assert(is_primary());
3988 dout(10) << "snap_trimmer posting" << dendl
;
3989 snap_trimmer_machine
.process_event(DoSnapWork());
3990 dout(10) << "snap_trimmer complete" << dendl
;
3994 int PrimaryLogPG::do_xattr_cmp_u64(int op
, __u64 v1
, bufferlist
& xattr
)
3998 string
v2s(xattr
.c_str(), xattr
.length());
4000 v2
= strtoull(v2s
.c_str(), NULL
, 10);
4004 dout(20) << "do_xattr_cmp_u64 '" << v1
<< "' vs '" << v2
<< "' op " << op
<< dendl
;
4007 case CEPH_OSD_CMPXATTR_OP_EQ
:
4009 case CEPH_OSD_CMPXATTR_OP_NE
:
4011 case CEPH_OSD_CMPXATTR_OP_GT
:
4013 case CEPH_OSD_CMPXATTR_OP_GTE
:
4015 case CEPH_OSD_CMPXATTR_OP_LT
:
4017 case CEPH_OSD_CMPXATTR_OP_LTE
:
4024 int PrimaryLogPG::do_xattr_cmp_str(int op
, string
& v1s
, bufferlist
& xattr
)
4026 string
v2s(xattr
.c_str(), xattr
.length());
4028 dout(20) << "do_xattr_cmp_str '" << v1s
<< "' vs '" << v2s
<< "' op " << op
<< dendl
;
4031 case CEPH_OSD_CMPXATTR_OP_EQ
:
4032 return (v1s
.compare(v2s
) == 0);
4033 case CEPH_OSD_CMPXATTR_OP_NE
:
4034 return (v1s
.compare(v2s
) != 0);
4035 case CEPH_OSD_CMPXATTR_OP_GT
:
4036 return (v1s
.compare(v2s
) > 0);
4037 case CEPH_OSD_CMPXATTR_OP_GTE
:
4038 return (v1s
.compare(v2s
) >= 0);
4039 case CEPH_OSD_CMPXATTR_OP_LT
:
4040 return (v1s
.compare(v2s
) < 0);
4041 case CEPH_OSD_CMPXATTR_OP_LTE
:
4042 return (v1s
.compare(v2s
) <= 0);
4048 int PrimaryLogPG::do_writesame(OpContext
*ctx
, OSDOp
& osd_op
)
4050 ceph_osd_op
& op
= osd_op
.op
;
4051 vector
<OSDOp
> write_ops(1);
4052 OSDOp
& write_op
= write_ops
[0];
4053 uint64_t write_length
= op
.writesame
.length
;
4059 if (!op
.writesame
.data_length
|| write_length
% op
.writesame
.data_length
)
4062 if (op
.writesame
.data_length
!= osd_op
.indata
.length()) {
4063 derr
<< "invalid length ws data length " << op
.writesame
.data_length
<< " actual len " << osd_op
.indata
.length() << dendl
;
4067 while (write_length
) {
4068 write_op
.indata
.append(osd_op
.indata
);
4069 write_length
-= op
.writesame
.data_length
;
4072 write_op
.op
.op
= CEPH_OSD_OP_WRITE
;
4073 write_op
.op
.extent
.offset
= op
.writesame
.offset
;
4074 write_op
.op
.extent
.length
= op
.writesame
.length
;
4075 result
= do_osd_ops(ctx
, write_ops
);
4077 derr
<< "do_writesame do_osd_ops failed " << result
<< dendl
;
4082 // ========================================================================
4083 // low level osd ops
4085 int PrimaryLogPG::do_tmap2omap(OpContext
*ctx
, unsigned flags
)
4087 dout(20) << " convert tmap to omap for " << ctx
->new_obs
.oi
.soid
<< dendl
;
4088 bufferlist header
, vals
;
4089 int r
= _get_tmap(ctx
, &header
, &vals
);
4091 if (r
== -ENODATA
&& (flags
& CEPH_OSD_TMAP2OMAP_NULLOK
))
4096 vector
<OSDOp
> ops(3);
4098 ops
[0].op
.op
= CEPH_OSD_OP_TRUNCATE
;
4099 ops
[0].op
.extent
.offset
= 0;
4100 ops
[0].op
.extent
.length
= 0;
4102 ops
[1].op
.op
= CEPH_OSD_OP_OMAPSETHEADER
;
4103 ops
[1].indata
.claim(header
);
4105 ops
[2].op
.op
= CEPH_OSD_OP_OMAPSETVALS
;
4106 ops
[2].indata
.claim(vals
);
4108 return do_osd_ops(ctx
, ops
);
4111 int PrimaryLogPG::do_tmapup_slow(OpContext
*ctx
, bufferlist::iterator
& bp
, OSDOp
& osd_op
,
4116 map
<string
, bufferlist
> m
;
4118 bufferlist::iterator p
= bl
.begin();
4119 ::decode(header
, p
);
4131 case CEPH_OSD_TMAP_SET
: // insert key
4139 case CEPH_OSD_TMAP_RM
: // remove key
4141 if (!m
.count(key
)) {
4146 case CEPH_OSD_TMAP_RMSLOPPY
: // remove key
4150 case CEPH_OSD_TMAP_HDR
: // update header
4152 ::decode(header
, bp
);
4162 ::encode(header
, obl
);
4166 vector
<OSDOp
> nops(1);
4167 OSDOp
& newop
= nops
[0];
4168 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
4169 newop
.op
.extent
.offset
= 0;
4170 newop
.op
.extent
.length
= obl
.length();
4172 do_osd_ops(ctx
, nops
);
4173 osd_op
.outdata
.claim(newop
.outdata
);
4177 int PrimaryLogPG::do_tmapup(OpContext
*ctx
, bufferlist::iterator
& bp
, OSDOp
& osd_op
)
4179 bufferlist::iterator orig_bp
= bp
;
4182 dout(10) << "tmapup is a no-op" << dendl
;
4184 // read the whole object
4185 vector
<OSDOp
> nops(1);
4186 OSDOp
& newop
= nops
[0];
4187 newop
.op
.op
= CEPH_OSD_OP_READ
;
4188 newop
.op
.extent
.offset
= 0;
4189 newop
.op
.extent
.length
= 0;
4190 result
= do_osd_ops(ctx
, nops
);
4192 dout(10) << "tmapup read " << newop
.outdata
.length() << dendl
;
4194 dout(30) << " starting is \n";
4195 newop
.outdata
.hexdump(*_dout
);
4198 bufferlist::iterator ip
= newop
.outdata
.begin();
4201 dout(30) << "the update command is: \n";
4202 osd_op
.indata
.hexdump(*_dout
);
4208 if (newop
.outdata
.length()) {
4209 ::decode(header
, ip
);
4210 ::decode(nkeys
, ip
);
4212 dout(10) << "tmapup header " << header
.length() << dendl
;
4214 if (!bp
.end() && *bp
== CEPH_OSD_TMAP_HDR
) {
4216 ::decode(header
, bp
);
4217 dout(10) << "tmapup new header " << header
.length() << dendl
;
4220 ::encode(header
, obl
);
4222 dout(20) << "tmapup initial nkeys " << nkeys
<< dendl
;
4225 bufferlist newkeydata
;
4226 string nextkey
, last_in_key
;
4228 bool have_next
= false;
4231 ::decode(nextkey
, ip
);
4232 ::decode(nextval
, ip
);
4234 while (!bp
.end() && !result
) {
4241 catch (buffer::error
& e
) {
4244 if (key
< last_in_key
) {
4245 dout(5) << "tmapup warning: key '" << key
<< "' < previous key '" << last_in_key
4246 << "', falling back to an inefficient (unsorted) update" << dendl
;
4248 return do_tmapup_slow(ctx
, bp
, osd_op
, newop
.outdata
);
4252 dout(10) << "tmapup op " << (int)op
<< " key " << key
<< dendl
;
4254 // skip existing intervening keys
4255 bool key_exists
= false;
4256 while (have_next
&& !key_exists
) {
4257 dout(20) << " (have_next=" << have_next
<< " nextkey=" << nextkey
<< ")" << dendl
;
4260 if (nextkey
< key
) {
4262 ::encode(nextkey
, newkeydata
);
4263 ::encode(nextval
, newkeydata
);
4264 dout(20) << " keep " << nextkey
<< " " << nextval
.length() << dendl
;
4266 // don't copy; discard old value. and stop.
4267 dout(20) << " drop " << nextkey
<< " " << nextval
.length() << dendl
;
4272 ::decode(nextkey
, ip
);
4273 ::decode(nextval
, ip
);
4279 if (op
== CEPH_OSD_TMAP_SET
) {
4284 catch (buffer::error
& e
) {
4287 ::encode(key
, newkeydata
);
4288 ::encode(val
, newkeydata
);
4289 dout(20) << " set " << key
<< " " << val
.length() << dendl
;
4291 } else if (op
== CEPH_OSD_TMAP_CREATE
) {
4299 catch (buffer::error
& e
) {
4302 ::encode(key
, newkeydata
);
4303 ::encode(val
, newkeydata
);
4304 dout(20) << " create " << key
<< " " << val
.length() << dendl
;
4306 } else if (op
== CEPH_OSD_TMAP_RM
) {
4311 } else if (op
== CEPH_OSD_TMAP_RMSLOPPY
) {
4314 dout(10) << " invalid tmap op " << (int)op
<< dendl
;
4321 ::encode(nextkey
, newkeydata
);
4322 ::encode(nextval
, newkeydata
);
4323 dout(20) << " keep " << nextkey
<< " " << nextval
.length() << dendl
;
4327 rest
.substr_of(newop
.outdata
, ip
.get_off(), newop
.outdata
.length() - ip
.get_off());
4328 dout(20) << " keep trailing " << rest
.length()
4329 << " at " << newkeydata
.length() << dendl
;
4330 newkeydata
.claim_append(rest
);
4333 // encode final key count + key data
4334 dout(20) << "tmapup final nkeys " << nkeys
<< dendl
;
4335 ::encode(nkeys
, obl
);
4336 obl
.claim_append(newkeydata
);
4339 dout(30) << " final is \n";
4340 obl
.hexdump(*_dout
);
4344 bufferlist::iterator tp
= obl
.begin();
4347 map
<string
,bufferlist
> d
;
4350 dout(0) << " **** debug sanity check, looks ok ****" << dendl
;
4355 dout(20) << "tmapput write " << obl
.length() << dendl
;
4356 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
4357 newop
.op
.extent
.offset
= 0;
4358 newop
.op
.extent
.length
= obl
.length();
4360 do_osd_ops(ctx
, nops
);
4361 osd_op
.outdata
.claim(newop
.outdata
);
4367 static int check_offset_and_length(uint64_t offset
, uint64_t length
, uint64_t max
)
4369 if (offset
>= max
||
4371 offset
+ length
> max
)
4377 struct FillInVerifyExtent
: public Context
{
4380 bufferlist
*outdatap
;
4381 boost::optional
<uint32_t> maybe_crc
;
4386 FillInVerifyExtent(ceph_le64
*r
, int32_t *rv
, bufferlist
*blp
,
4387 boost::optional
<uint32_t> mc
, uint64_t size
,
4388 OSDService
*osd
, hobject_t soid
, __le32 flags
) :
4389 r(r
), rval(rv
), outdatap(blp
), maybe_crc(mc
),
4390 size(size
), osd(osd
), soid(soid
), flags(flags
) {}
4391 void finish(int len
) override
{
4399 // whole object? can we verify the checksum?
4400 if (maybe_crc
&& *r
== size
) {
4401 uint32_t crc
= outdatap
->crc32c(-1);
4402 if (maybe_crc
!= crc
) {
4403 osd
->clog
->error() << std::hex
<< " full-object read crc 0x" << crc
4404 << " != expected 0x" << *maybe_crc
4405 << std::dec
<< " on " << soid
;
4406 if (!(flags
& CEPH_OSD_OP_FLAG_FAILOK
)) {
4415 struct ToSparseReadResult
: public Context
{
4417 bufferlist
* data_bl
;
4418 uint64_t data_offset
;
4420 ToSparseReadResult(int* result
, bufferlist
* bl
, uint64_t offset
,
4422 : result(result
), data_bl(bl
), data_offset(offset
),len(len
) {}
4423 void finish(int r
) override
{
4431 map
<uint64_t, uint64_t> extents
= {{data_offset
, r
}};
4432 ::encode(extents
, outdata
);
4433 ::encode_destructively(*data_bl
, outdata
);
4434 data_bl
->swap(outdata
);
4438 template<typename V
>
4439 static string
list_keys(const map
<string
, V
>& m
) {
4441 for (typename map
<string
, V
>::const_iterator itr
= m
.begin(); itr
!= m
.end(); ++itr
) {
4445 s
.append(itr
->first
);
4450 template<typename T
>
4451 static string
list_entries(const T
& m
) {
4453 for (typename
T::const_iterator itr
= m
.begin(); itr
!= m
.end(); ++itr
) {
4462 void PrimaryLogPG::maybe_create_new_object(
4464 bool ignore_transaction
)
4466 ObjectState
& obs
= ctx
->new_obs
;
4468 ctx
->delta_stats
.num_objects
++;
4470 assert(!obs
.oi
.is_whiteout());
4471 obs
.oi
.new_object();
4472 if (!ignore_transaction
)
4473 ctx
->op_t
->create(obs
.oi
.soid
);
4474 } else if (obs
.oi
.is_whiteout()) {
4475 dout(10) << __func__
<< " clearing whiteout on " << obs
.oi
.soid
<< dendl
;
4476 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
4477 --ctx
->delta_stats
.num_whiteouts
;
4481 struct ReadFinisher
: public PrimaryLogPG::OpFinisher
{
4484 ReadFinisher(OSDOp
& osd_op
) : osd_op(osd_op
) {
4487 int execute() override
{
4492 struct C_ChecksumRead
: public Context
{
4493 PrimaryLogPG
*primary_log_pg
;
4495 Checksummer::CSumType csum_type
;
4496 bufferlist init_value_bl
;
4497 ceph_le64 read_length
;
4499 Context
*fill_extent_ctx
;
4501 C_ChecksumRead(PrimaryLogPG
*primary_log_pg
, OSDOp
&osd_op
,
4502 Checksummer::CSumType csum_type
, bufferlist
&&init_value_bl
,
4503 boost::optional
<uint32_t> maybe_crc
, uint64_t size
,
4504 OSDService
*osd
, hobject_t soid
, __le32 flags
)
4505 : primary_log_pg(primary_log_pg
), osd_op(osd_op
),
4506 csum_type(csum_type
), init_value_bl(std::move(init_value_bl
)),
4507 fill_extent_ctx(new FillInVerifyExtent(&read_length
, &osd_op
.rval
,
4508 &read_bl
, maybe_crc
, size
,
4509 osd
, soid
, flags
)) {
4511 ~C_ChecksumRead() override
{
4512 delete fill_extent_ctx
;
4515 void finish(int r
) override
{
4516 fill_extent_ctx
->complete(r
);
4517 fill_extent_ctx
= nullptr;
4519 if (osd_op
.rval
>= 0) {
4520 bufferlist::iterator init_value_bl_it
= init_value_bl
.begin();
4521 osd_op
.rval
= primary_log_pg
->finish_checksum(osd_op
, csum_type
,
4522 &init_value_bl_it
, read_bl
);
4527 int PrimaryLogPG::do_checksum(OpContext
*ctx
, OSDOp
& osd_op
,
4528 bufferlist::iterator
*bl_it
)
4530 dout(20) << __func__
<< dendl
;
4532 auto& op
= osd_op
.op
;
4533 if (op
.checksum
.chunk_size
> 0) {
4534 if (op
.checksum
.length
== 0) {
4535 dout(10) << __func__
<< ": length required when chunk size provided"
4539 if (op
.checksum
.length
% op
.checksum
.chunk_size
!= 0) {
4540 dout(10) << __func__
<< ": length not aligned to chunk size" << dendl
;
4545 auto& oi
= ctx
->new_obs
.oi
;
4546 if (op
.checksum
.offset
== 0 && op
.checksum
.length
== 0) {
4547 // zeroed offset+length implies checksum whole object
4548 op
.checksum
.length
= oi
.size
;
4549 } else if (op
.checksum
.offset
+ op
.checksum
.length
> oi
.size
) {
4553 Checksummer::CSumType csum_type
;
4554 switch (op
.checksum
.type
) {
4555 case CEPH_OSD_CHECKSUM_OP_TYPE_XXHASH32
:
4556 csum_type
= Checksummer::CSUM_XXHASH32
;
4558 case CEPH_OSD_CHECKSUM_OP_TYPE_XXHASH64
:
4559 csum_type
= Checksummer::CSUM_XXHASH64
;
4561 case CEPH_OSD_CHECKSUM_OP_TYPE_CRC32C
:
4562 csum_type
= Checksummer::CSUM_CRC32C
;
4565 dout(10) << __func__
<< ": unknown crc type ("
4566 << static_cast<uint32_t>(op
.checksum
.type
) << ")" << dendl
;
4570 size_t csum_init_value_size
= Checksummer::get_csum_init_value_size(csum_type
);
4571 if (bl_it
->get_remaining() < csum_init_value_size
) {
4572 dout(10) << __func__
<< ": init value not provided" << dendl
;
4576 bufferlist init_value_bl
;
4577 init_value_bl
.substr_of(bl_it
->get_bl(), bl_it
->get_off(),
4578 csum_init_value_size
);
4579 bl_it
->advance(csum_init_value_size
);
4581 if (pool
.info
.require_rollback() && op
.checksum
.length
> 0) {
4582 // If there is a data digest and it is possible we are reading
4583 // entire object, pass the digest.
4584 boost::optional
<uint32_t> maybe_crc
;
4585 if (oi
.is_data_digest() && op
.checksum
.offset
== 0 &&
4586 op
.checksum
.length
>= oi
.size
) {
4587 maybe_crc
= oi
.data_digest
;
4591 auto& soid
= oi
.soid
;
4592 auto checksum_ctx
= new C_ChecksumRead(this, osd_op
, csum_type
,
4593 std::move(init_value_bl
), maybe_crc
,
4594 oi
.size
, osd
, soid
, op
.flags
);
4596 ctx
->pending_async_reads
.push_back({
4597 {op
.checksum
.offset
, op
.checksum
.length
, op
.flags
},
4598 {&checksum_ctx
->read_bl
, checksum_ctx
}});
4600 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
4601 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4602 new ReadFinisher(osd_op
));
4603 return -EINPROGRESS
;
4607 std::vector
<OSDOp
> read_ops(1);
4608 auto& read_op
= read_ops
[0];
4609 if (op
.checksum
.length
> 0) {
4610 read_op
.op
.op
= CEPH_OSD_OP_READ
;
4611 read_op
.op
.flags
= op
.flags
;
4612 read_op
.op
.extent
.offset
= op
.checksum
.offset
;
4613 read_op
.op
.extent
.length
= op
.checksum
.length
;
4614 read_op
.op
.extent
.truncate_size
= 0;
4615 read_op
.op
.extent
.truncate_seq
= 0;
4617 int r
= do_osd_ops(ctx
, read_ops
);
4619 derr
<< __func__
<< ": do_osd_ops failed: " << cpp_strerror(r
) << dendl
;
4624 bufferlist::iterator init_value_bl_it
= init_value_bl
.begin();
4625 return finish_checksum(osd_op
, csum_type
, &init_value_bl_it
,
4629 int PrimaryLogPG::finish_checksum(OSDOp
& osd_op
,
4630 Checksummer::CSumType csum_type
,
4631 bufferlist::iterator
*init_value_bl_it
,
4632 const bufferlist
&read_bl
) {
4633 dout(20) << __func__
<< dendl
;
4635 auto& op
= osd_op
.op
;
4637 if (op
.checksum
.length
> 0 && read_bl
.length() != op
.checksum
.length
) {
4638 derr
<< __func__
<< ": bytes read " << read_bl
.length() << " != "
4639 << op
.checksum
.length
<< dendl
;
4643 size_t csum_chunk_size
= (op
.checksum
.chunk_size
!= 0 ?
4644 op
.checksum
.chunk_size
: read_bl
.length());
4645 uint32_t csum_count
= (csum_chunk_size
> 0 ?
4646 read_bl
.length() / csum_chunk_size
: 0);
4649 bufferptr csum_data
;
4650 if (csum_count
> 0) {
4651 size_t csum_value_size
= Checksummer::get_csum_value_size(csum_type
);
4652 csum_data
= buffer::create(csum_value_size
* csum_count
);
4654 csum
.append(csum_data
);
4656 switch (csum_type
) {
4657 case Checksummer::CSUM_XXHASH32
:
4659 Checksummer::xxhash32::init_value_t init_value
;
4660 ::decode(init_value
, *init_value_bl_it
);
4661 Checksummer::calculate
<Checksummer::xxhash32
>(
4662 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4666 case Checksummer::CSUM_XXHASH64
:
4668 Checksummer::xxhash64::init_value_t init_value
;
4669 ::decode(init_value
, *init_value_bl_it
);
4670 Checksummer::calculate
<Checksummer::xxhash64
>(
4671 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4675 case Checksummer::CSUM_CRC32C
:
4677 Checksummer::crc32c::init_value_t init_value
;
4678 ::decode(init_value
, *init_value_bl_it
);
4679 Checksummer::calculate
<Checksummer::crc32c
>(
4680 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4689 ::encode(csum_count
, osd_op
.outdata
);
4690 osd_op
.outdata
.claim_append(csum
);
4694 struct C_ExtentCmpRead
: public Context
{
4695 PrimaryLogPG
*primary_log_pg
;
4697 ceph_le64 read_length
;
4699 Context
*fill_extent_ctx
;
4701 C_ExtentCmpRead(PrimaryLogPG
*primary_log_pg
, OSDOp
&osd_op
,
4702 boost::optional
<uint32_t> maybe_crc
, uint64_t size
,
4703 OSDService
*osd
, hobject_t soid
, __le32 flags
)
4704 : primary_log_pg(primary_log_pg
), osd_op(osd_op
),
4705 fill_extent_ctx(new FillInVerifyExtent(&read_length
, &osd_op
.rval
,
4706 &read_bl
, maybe_crc
, size
,
4707 osd
, soid
, flags
)) {
4709 ~C_ExtentCmpRead() override
{
4710 delete fill_extent_ctx
;
4713 void finish(int r
) override
{
4717 delete fill_extent_ctx
;
4719 fill_extent_ctx
->complete(r
);
4721 fill_extent_ctx
= nullptr;
4723 if (osd_op
.rval
>= 0) {
4724 osd_op
.rval
= primary_log_pg
->finish_extent_cmp(osd_op
, read_bl
);
4729 int PrimaryLogPG::do_extent_cmp(OpContext
*ctx
, OSDOp
& osd_op
)
4731 dout(20) << __func__
<< dendl
;
4732 ceph_osd_op
& op
= osd_op
.op
;
4734 auto& oi
= ctx
->new_obs
.oi
;
4735 uint64_t size
= oi
.size
;
4736 if ((oi
.truncate_seq
< op
.extent
.truncate_seq
) &&
4737 (op
.extent
.offset
+ op
.extent
.length
> op
.extent
.truncate_size
)) {
4738 size
= op
.extent
.truncate_size
;
4741 if (op
.extent
.offset
>= size
) {
4742 op
.extent
.length
= 0;
4743 } else if (op
.extent
.offset
+ op
.extent
.length
> size
) {
4744 op
.extent
.length
= size
- op
.extent
.offset
;
4747 if (op
.extent
.length
== 0) {
4748 dout(20) << __func__
<< " zero length extent" << dendl
;
4749 return finish_extent_cmp(osd_op
, bufferlist
{});
4750 } else if (!ctx
->obs
->exists
|| ctx
->obs
->oi
.is_whiteout()) {
4751 dout(20) << __func__
<< " object DNE" << dendl
;
4752 return finish_extent_cmp(osd_op
, {});
4753 } else if (pool
.info
.require_rollback()) {
4754 // If there is a data digest and it is possible we are reading
4755 // entire object, pass the digest.
4756 boost::optional
<uint32_t> maybe_crc
;
4757 if (oi
.is_data_digest() && op
.checksum
.offset
== 0 &&
4758 op
.checksum
.length
>= oi
.size
) {
4759 maybe_crc
= oi
.data_digest
;
4763 auto& soid
= oi
.soid
;
4764 auto extent_cmp_ctx
= new C_ExtentCmpRead(this, osd_op
, maybe_crc
, oi
.size
,
4765 osd
, soid
, op
.flags
);
4766 ctx
->pending_async_reads
.push_back({
4767 {op
.extent
.offset
, op
.extent
.length
, op
.flags
},
4768 {&extent_cmp_ctx
->read_bl
, extent_cmp_ctx
}});
4770 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
4772 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4773 new ReadFinisher(osd_op
));
4774 return -EINPROGRESS
;
4778 vector
<OSDOp
> read_ops(1);
4779 OSDOp
& read_op
= read_ops
[0];
4781 read_op
.op
.op
= CEPH_OSD_OP_SYNC_READ
;
4782 read_op
.op
.extent
.offset
= op
.extent
.offset
;
4783 read_op
.op
.extent
.length
= op
.extent
.length
;
4784 read_op
.op
.extent
.truncate_seq
= op
.extent
.truncate_seq
;
4785 read_op
.op
.extent
.truncate_size
= op
.extent
.truncate_size
;
4787 int result
= do_osd_ops(ctx
, read_ops
);
4789 derr
<< __func__
<< " failed " << result
<< dendl
;
4792 return finish_extent_cmp(osd_op
, read_op
.outdata
);
4795 int PrimaryLogPG::finish_extent_cmp(OSDOp
& osd_op
, const bufferlist
&read_bl
)
4797 for (uint64_t idx
= 0; idx
< osd_op
.indata
.length(); ++idx
) {
4798 char read_byte
= (idx
< read_bl
.length() ? read_bl
[idx
] : 0);
4799 if (osd_op
.indata
[idx
] != read_byte
) {
4800 return (-MAX_ERRNO
- idx
);
4807 int PrimaryLogPG::do_read(OpContext
*ctx
, OSDOp
& osd_op
) {
4808 dout(20) << __func__
<< dendl
;
4809 auto& op
= osd_op
.op
;
4810 auto& oi
= ctx
->new_obs
.oi
;
4811 auto& soid
= oi
.soid
;
4812 __u32 seq
= oi
.truncate_seq
;
4813 uint64_t size
= oi
.size
;
4814 bool trimmed_read
= false;
4816 // are we beyond truncate_size?
4817 if ( (seq
< op
.extent
.truncate_seq
) &&
4818 (op
.extent
.offset
+ op
.extent
.length
> op
.extent
.truncate_size
) )
4819 size
= op
.extent
.truncate_size
;
4821 if (op
.extent
.length
== 0) //length is zero mean read the whole object
4822 op
.extent
.length
= size
;
4824 if (op
.extent
.offset
>= size
) {
4825 op
.extent
.length
= 0;
4826 trimmed_read
= true;
4827 } else if (op
.extent
.offset
+ op
.extent
.length
> size
) {
4828 op
.extent
.length
= size
- op
.extent
.offset
;
4829 trimmed_read
= true;
4832 // read into a buffer
4834 if (trimmed_read
&& op
.extent
.length
== 0) {
4835 // read size was trimmed to zero and it is expected to do nothing
4836 // a read operation of 0 bytes does *not* do nothing, this is why
4837 // the trimmed_read boolean is needed
4838 } else if (pool
.info
.require_rollback()) {
4839 boost::optional
<uint32_t> maybe_crc
;
4840 // If there is a data digest and it is possible we are reading
4841 // entire object, pass the digest. FillInVerifyExtent will
4842 // will check the oi.size again.
4843 if (oi
.is_data_digest() && op
.extent
.offset
== 0 &&
4844 op
.extent
.length
>= oi
.size
)
4845 maybe_crc
= oi
.data_digest
;
4846 ctx
->pending_async_reads
.push_back(
4848 boost::make_tuple(op
.extent
.offset
, op
.extent
.length
, op
.flags
),
4849 make_pair(&osd_op
.outdata
,
4850 new FillInVerifyExtent(&op
.extent
.length
, &osd_op
.rval
,
4851 &osd_op
.outdata
, maybe_crc
, oi
.size
,
4852 osd
, soid
, op
.flags
))));
4853 dout(10) << " async_read noted for " << soid
<< dendl
;
4855 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4856 new ReadFinisher(osd_op
));
4858 int r
= pgbackend
->objects_read_sync(
4859 soid
, op
.extent
.offset
, op
.extent
.length
, op
.flags
, &osd_op
.outdata
);
4861 r
= rep_repair_primary_object(soid
, ctx
->op
);
4864 op
.extent
.length
= r
;
4867 op
.extent
.length
= 0;
4869 dout(10) << " read got " << r
<< " / " << op
.extent
.length
4870 << " bytes from obj " << soid
<< dendl
;
4872 // whole object? can we verify the checksum?
4873 if (op
.extent
.length
== oi
.size
&& oi
.is_data_digest()) {
4874 uint32_t crc
= osd_op
.outdata
.crc32c(-1);
4875 if (oi
.data_digest
!= crc
) {
4876 osd
->clog
->error() << info
.pgid
<< std::hex
4877 << " full-object read crc 0x" << crc
4878 << " != expected 0x" << oi
.data_digest
4879 << std::dec
<< " on " << soid
;
4880 // FIXME fall back to replica or something?
4886 // XXX the op.extent.length is the requested length for async read
4887 // On error this length is changed to 0 after the error comes back.
4888 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(op
.extent
.length
, 10);
4889 ctx
->delta_stats
.num_rd
++;
4893 int PrimaryLogPG::do_sparse_read(OpContext
*ctx
, OSDOp
& osd_op
) {
4894 dout(20) << __func__
<< dendl
;
4895 auto& op
= osd_op
.op
;
4896 auto& oi
= ctx
->new_obs
.oi
;
4897 auto& soid
= oi
.soid
;
4899 if (op
.extent
.truncate_seq
) {
4900 dout(0) << "sparse_read does not support truncation sequence " << dendl
;
4905 if (pool
.info
.ec_pool()) {
4906 // translate sparse read to a normal one if not supported
4907 uint64_t offset
= op
.extent
.offset
;
4908 uint64_t length
= op
.extent
.length
;
4909 if (offset
> oi
.size
) {
4911 } else if (offset
+ length
> oi
.size
) {
4912 length
= oi
.size
- offset
;
4916 ctx
->pending_async_reads
.push_back(
4918 boost::make_tuple(offset
, length
, op
.flags
),
4921 new ToSparseReadResult(&osd_op
.rval
, &osd_op
.outdata
, offset
,
4922 &op
.extent
.length
))));
4923 dout(10) << " async_read (was sparse_read) noted for " << soid
<< dendl
;
4925 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4926 new ReadFinisher(osd_op
));
4928 dout(10) << " sparse read ended up empty for " << soid
<< dendl
;
4929 map
<uint64_t, uint64_t> extents
;
4930 ::encode(extents
, osd_op
.outdata
);
4933 // read into a buffer
4934 map
<uint64_t, uint64_t> m
;
4935 uint32_t total_read
= 0;
4936 int r
= osd
->store
->fiemap(ch
, ghobject_t(soid
, ghobject_t::NO_GEN
,
4938 op
.extent
.offset
, op
.extent
.length
, m
);
4943 map
<uint64_t, uint64_t>::iterator miter
;
4945 uint64_t last
= op
.extent
.offset
;
4946 for (miter
= m
.begin(); miter
!= m
.end(); ++miter
) {
4948 if (cct
->_conf
->osd_verify_sparse_read_holes
&&
4949 last
< miter
->first
) {
4951 uint64_t len
= miter
->first
- last
;
4952 r
= pgbackend
->objects_read_sync(soid
, last
, len
, op
.flags
, &t
);
4954 osd
->clog
->error() << coll
<< " " << soid
4955 << " sparse-read failed to read: "
4957 } else if (!t
.is_zero()) {
4958 osd
->clog
->error() << coll
<< " " << soid
4959 << " sparse-read found data in hole "
4960 << last
<< "~" << len
;
4965 r
= pgbackend
->objects_read_sync(soid
, miter
->first
, miter
->second
,
4968 r
= rep_repair_primary_object(soid
, ctx
->op
);
4974 // this is usually happen when we get extent that exceeds the actual file
4976 if (r
< (int)miter
->second
)
4979 dout(10) << "sparse-read " << miter
->first
<< "@" << miter
->second
4981 data_bl
.claim_append(tmpbl
);
4982 last
= miter
->first
+ r
;
4989 // verify trailing hole?
4990 if (cct
->_conf
->osd_verify_sparse_read_holes
) {
4991 uint64_t end
= MIN(op
.extent
.offset
+ op
.extent
.length
, oi
.size
);
4994 uint64_t len
= end
- last
;
4995 r
= pgbackend
->objects_read_sync(soid
, last
, len
, op
.flags
, &t
);
4997 osd
->clog
->error() << coll
<< " " << soid
4998 << " sparse-read failed to read: " << r
;
4999 } else if (!t
.is_zero()) {
5000 osd
->clog
->error() << coll
<< " " << soid
5001 << " sparse-read found data in hole "
5002 << last
<< "~" << len
;
5007 // Why SPARSE_READ need checksum? In fact, librbd always use sparse-read.
5008 // Maybe at first, there is no much whole objects. With continued use, more
5009 // and more whole object exist. So from this point, for spare-read add
5010 // checksum make sense.
5011 if (total_read
== oi
.size
&& oi
.is_data_digest()) {
5012 uint32_t crc
= data_bl
.crc32c(-1);
5013 if (oi
.data_digest
!= crc
) {
5014 osd
->clog
->error() << info
.pgid
<< std::hex
5015 << " full-object read crc 0x" << crc
5016 << " != expected 0x" << oi
.data_digest
5017 << std::dec
<< " on " << soid
;
5018 // FIXME fall back to replica or something?
5023 op
.extent
.length
= total_read
;
5025 ::encode(m
, osd_op
.outdata
); // re-encode since it might be modified
5026 ::encode_destructively(data_bl
, osd_op
.outdata
);
5028 dout(10) << " sparse_read got " << total_read
<< " bytes from object "
5032 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(op
.extent
.length
, 10);
5033 ctx
->delta_stats
.num_rd
++;
5037 int PrimaryLogPG::do_osd_ops(OpContext
*ctx
, vector
<OSDOp
>& ops
)
5040 SnapSetContext
*ssc
= ctx
->obc
->ssc
;
5041 ObjectState
& obs
= ctx
->new_obs
;
5042 object_info_t
& oi
= obs
.oi
;
5043 const hobject_t
& soid
= oi
.soid
;
5045 PGTransaction
* t
= ctx
->op_t
.get();
5047 dout(10) << "do_osd_op " << soid
<< " " << ops
<< dendl
;
5049 ctx
->current_osd_subop_num
= 0;
5050 for (auto p
= ops
.begin(); p
!= ops
.end(); ++p
, ctx
->current_osd_subop_num
++, ctx
->processed_subop_count
++) {
5052 ceph_osd_op
& op
= osd_op
.op
;
5054 OpFinisher
* op_finisher
= nullptr;
5056 auto op_finisher_it
= ctx
->op_finishers
.find(ctx
->current_osd_subop_num
);
5057 if (op_finisher_it
!= ctx
->op_finishers
.end()) {
5058 op_finisher
= op_finisher_it
->second
.get();
5062 // TODO: check endianness (__le32 vs uint32_t, etc.)
5063 // The fields in ceph_osd_op are little-endian (according to the definition in rados.h),
5064 // but the code in this function seems to treat them as native-endian. What should the
5066 tracepoint(osd
, do_osd_op_pre
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
), op
.flags
);
5068 dout(10) << "do_osd_op " << osd_op
<< dendl
;
5070 bufferlist::iterator bp
= osd_op
.indata
.begin();
5072 // user-visible modifcation?
5074 // non user-visible modifications
5075 case CEPH_OSD_OP_WATCH
:
5076 case CEPH_OSD_OP_CACHE_EVICT
:
5077 case CEPH_OSD_OP_CACHE_FLUSH
:
5078 case CEPH_OSD_OP_CACHE_TRY_FLUSH
:
5079 case CEPH_OSD_OP_UNDIRTY
:
5080 case CEPH_OSD_OP_COPY_FROM
: // we handle user_version update explicitly
5081 case CEPH_OSD_OP_CACHE_PIN
:
5082 case CEPH_OSD_OP_CACHE_UNPIN
:
5083 case CEPH_OSD_OP_SET_REDIRECT
:
5086 if (op
.op
& CEPH_OSD_OP_MODE_WR
)
5087 ctx
->user_modify
= true;
5090 // munge -1 truncate to 0 truncate
5091 if (ceph_osd_op_uses_extent(op
.op
) &&
5092 op
.extent
.truncate_seq
== 1 &&
5093 op
.extent
.truncate_size
== (-1ULL)) {
5094 op
.extent
.truncate_size
= 0;
5095 op
.extent
.truncate_seq
= 0;
5098 // munge ZERO -> TRUNCATE? (don't munge to DELETE or we risk hosing attributes)
5099 if (op
.op
== CEPH_OSD_OP_ZERO
&&
5101 op
.extent
.offset
< cct
->_conf
->osd_max_object_size
&&
5102 op
.extent
.length
>= 1 &&
5103 op
.extent
.length
<= cct
->_conf
->osd_max_object_size
&&
5104 op
.extent
.offset
+ op
.extent
.length
>= oi
.size
) {
5105 if (op
.extent
.offset
>= oi
.size
) {
5109 dout(10) << " munging ZERO " << op
.extent
.offset
<< "~" << op
.extent
.length
5110 << " -> TRUNCATE " << op
.extent
.offset
<< " (old size is " << oi
.size
<< ")" << dendl
;
5111 op
.op
= CEPH_OSD_OP_TRUNCATE
;
5118 case CEPH_OSD_OP_CMPEXT
:
5120 tracepoint(osd
, do_osd_op_pre_extent_cmp
, soid
.oid
.name
.c_str(),
5121 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
,
5122 op
.extent
.length
, op
.extent
.truncate_size
,
5123 op
.extent
.truncate_seq
);
5125 if (op_finisher
== nullptr) {
5126 result
= do_extent_cmp(ctx
, osd_op
);
5128 result
= op_finisher
->execute();
5132 case CEPH_OSD_OP_SYNC_READ
:
5133 if (pool
.info
.require_rollback()) {
5134 result
= -EOPNOTSUPP
;
5138 case CEPH_OSD_OP_READ
:
5140 tracepoint(osd
, do_osd_op_pre_read
, soid
.oid
.name
.c_str(),
5141 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
,
5142 op
.extent
.length
, op
.extent
.truncate_size
,
5143 op
.extent
.truncate_seq
);
5144 if (op_finisher
== nullptr) {
5145 if (!ctx
->data_off
) {
5146 ctx
->data_off
= op
.extent
.offset
;
5148 result
= do_read(ctx
, osd_op
);
5150 result
= op_finisher
->execute();
5154 case CEPH_OSD_OP_CHECKSUM
:
5157 tracepoint(osd
, do_osd_op_pre_checksum
, soid
.oid
.name
.c_str(),
5158 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.checksum
.type
,
5159 op
.checksum
.offset
, op
.checksum
.length
,
5160 op
.checksum
.chunk_size
);
5162 if (op_finisher
== nullptr) {
5163 result
= do_checksum(ctx
, osd_op
, &bp
);
5165 result
= op_finisher
->execute();
5171 case CEPH_OSD_OP_MAPEXT
:
5172 tracepoint(osd
, do_osd_op_pre_mapext
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.extent
.offset
, op
.extent
.length
);
5173 if (pool
.info
.require_rollback()) {
5174 result
= -EOPNOTSUPP
;
5179 // read into a buffer
5181 int r
= osd
->store
->fiemap(ch
, ghobject_t(soid
, ghobject_t::NO_GEN
,
5183 op
.extent
.offset
, op
.extent
.length
, bl
);
5184 osd_op
.outdata
.claim(bl
);
5188 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(bl
.length(), 10);
5189 ctx
->delta_stats
.num_rd
++;
5190 dout(10) << " map_extents done on object " << soid
<< dendl
;
5195 case CEPH_OSD_OP_SPARSE_READ
:
5196 tracepoint(osd
, do_osd_op_pre_sparse_read
, soid
.oid
.name
.c_str(),
5197 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
,
5198 op
.extent
.length
, op
.extent
.truncate_size
,
5199 op
.extent
.truncate_seq
);
5200 if (op_finisher
== nullptr) {
5201 result
= do_sparse_read(ctx
, osd_op
);
5203 result
= op_finisher
->execute();
5207 case CEPH_OSD_OP_CALL
:
5209 string cname
, mname
;
5212 bp
.copy(op
.cls
.class_len
, cname
);
5213 bp
.copy(op
.cls
.method_len
, mname
);
5214 bp
.copy(op
.cls
.indata_len
, indata
);
5215 } catch (buffer::error
& e
) {
5216 dout(10) << "call unable to decode class + method + indata" << dendl
;
5217 dout(30) << "in dump: ";
5218 osd_op
.indata
.hexdump(*_dout
);
5221 tracepoint(osd
, do_osd_op_pre_call
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", "???");
5224 tracepoint(osd
, do_osd_op_pre_call
, soid
.oid
.name
.c_str(), soid
.snap
.val
, cname
.c_str(), mname
.c_str());
5226 ClassHandler::ClassData
*cls
;
5227 result
= osd
->class_handler
->open_class(cname
, &cls
);
5228 assert(result
== 0); // init_op_flags() already verified this works.
5230 ClassHandler::ClassMethod
*method
= cls
->get_method(mname
.c_str());
5232 dout(10) << "call method " << cname
<< "." << mname
<< " does not exist" << dendl
;
5233 result
= -EOPNOTSUPP
;
5237 int flags
= method
->get_flags();
5238 if (flags
& CLS_METHOD_WR
)
5239 ctx
->user_modify
= true;
5242 dout(10) << "call method " << cname
<< "." << mname
<< dendl
;
5243 int prev_rd
= ctx
->num_read
;
5244 int prev_wr
= ctx
->num_write
;
5245 result
= method
->exec((cls_method_context_t
)&ctx
, indata
, outdata
);
5247 if (ctx
->num_read
> prev_rd
&& !(flags
& CLS_METHOD_RD
)) {
5248 derr
<< "method " << cname
<< "." << mname
<< " tried to read object but is not marked RD" << dendl
;
5252 if (ctx
->num_write
> prev_wr
&& !(flags
& CLS_METHOD_WR
)) {
5253 derr
<< "method " << cname
<< "." << mname
<< " tried to update object but is not marked WR" << dendl
;
5258 dout(10) << "method called response length=" << outdata
.length() << dendl
;
5259 op
.extent
.length
= outdata
.length();
5260 osd_op
.outdata
.claim_append(outdata
);
5261 dout(30) << "out dump: ";
5262 osd_op
.outdata
.hexdump(*_dout
);
5267 case CEPH_OSD_OP_STAT
:
5268 // note: stat does not require RD
5270 tracepoint(osd
, do_osd_op_pre_stat
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5272 if (obs
.exists
&& !oi
.is_whiteout()) {
5273 ::encode(oi
.size
, osd_op
.outdata
);
5274 ::encode(oi
.mtime
, osd_op
.outdata
);
5275 dout(10) << "stat oi has " << oi
.size
<< " " << oi
.mtime
<< dendl
;
5278 dout(10) << "stat oi object does not exist" << dendl
;
5281 ctx
->delta_stats
.num_rd
++;
5285 case CEPH_OSD_OP_ISDIRTY
:
5288 tracepoint(osd
, do_osd_op_pre_isdirty
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5289 bool is_dirty
= obs
.oi
.is_dirty();
5290 ::encode(is_dirty
, osd_op
.outdata
);
5291 ctx
->delta_stats
.num_rd
++;
5296 case CEPH_OSD_OP_UNDIRTY
:
5299 tracepoint(osd
, do_osd_op_pre_undirty
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5300 if (oi
.is_dirty()) {
5301 ctx
->undirty
= true; // see make_writeable()
5303 ctx
->delta_stats
.num_wr
++;
5309 case CEPH_OSD_OP_CACHE_TRY_FLUSH
:
5312 tracepoint(osd
, do_osd_op_pre_try_flush
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5313 if (ctx
->lock_type
!= ObjectContext::RWState::RWNONE
) {
5314 dout(10) << "cache-try-flush without SKIPRWLOCKS flag set" << dendl
;
5318 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5326 if (oi
.is_cache_pinned()) {
5327 dout(10) << "cache-try-flush on a pinned object, consider unpin this object first" << dendl
;
5331 if (oi
.is_dirty()) {
5332 result
= start_flush(ctx
->op
, ctx
->obc
, false, NULL
, boost::none
);
5333 if (result
== -EINPROGRESS
)
5341 case CEPH_OSD_OP_CACHE_FLUSH
:
5344 tracepoint(osd
, do_osd_op_pre_cache_flush
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5345 if (ctx
->lock_type
== ObjectContext::RWState::RWNONE
) {
5346 dout(10) << "cache-flush with SKIPRWLOCKS flag set" << dendl
;
5350 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5358 if (oi
.is_cache_pinned()) {
5359 dout(10) << "cache-flush on a pinned object, consider unpin this object first" << dendl
;
5364 if (oi
.is_dirty()) {
5365 result
= start_flush(ctx
->op
, ctx
->obc
, true, &missing
, boost::none
);
5366 if (result
== -EINPROGRESS
)
5371 // Check special return value which has set missing_return
5372 if (result
== -ENOENT
) {
5373 dout(10) << __func__
<< " CEPH_OSD_OP_CACHE_FLUSH got ENOENT" << dendl
;
5374 assert(!missing
.is_min());
5375 wait_for_unreadable_object(missing
, ctx
->op
);
5376 // Error code which is used elsewhere when wait_for_unreadable_object() is used
5382 case CEPH_OSD_OP_CACHE_EVICT
:
5385 tracepoint(osd
, do_osd_op_pre_cache_evict
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5386 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5394 if (oi
.is_cache_pinned()) {
5395 dout(10) << "cache-evict on a pinned object, consider unpin this object first" << dendl
;
5399 if (oi
.is_dirty()) {
5403 if (!oi
.watchers
.empty()) {
5407 if (soid
.snap
== CEPH_NOSNAP
) {
5408 result
= _verify_no_head_clones(soid
, ssc
->snapset
);
5412 result
= _delete_oid(ctx
, true, false);
5414 // mark that this is a cache eviction to avoid triggering normal
5415 // make_writeable() clone or snapdir object creation in finish_ctx()
5416 ctx
->cache_evict
= true;
5418 osd
->logger
->inc(l_osd_tier_evict
);
5422 case CEPH_OSD_OP_GETXATTR
:
5426 bp
.copy(op
.xattr
.name_len
, aname
);
5427 tracepoint(osd
, do_osd_op_pre_getxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
5428 string name
= "_" + aname
;
5429 int r
= getattr_maybe_cache(
5434 op
.xattr
.value_len
= osd_op
.outdata
.length();
5436 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
5440 ctx
->delta_stats
.num_rd
++;
5444 case CEPH_OSD_OP_GETXATTRS
:
5447 tracepoint(osd
, do_osd_op_pre_getxattrs
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5448 map
<string
, bufferlist
> out
;
5449 result
= getattrs_maybe_cache(
5455 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(bl
.length(), 10);
5456 ctx
->delta_stats
.num_rd
++;
5457 osd_op
.outdata
.claim_append(bl
);
5461 case CEPH_OSD_OP_CMPXATTR
:
5465 bp
.copy(op
.xattr
.name_len
, aname
);
5466 tracepoint(osd
, do_osd_op_pre_cmpxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
5467 string name
= "_" + aname
;
5468 name
[op
.xattr
.name_len
+ 1] = 0;
5471 result
= getattr_maybe_cache(
5475 if (result
< 0 && result
!= -EEXIST
&& result
!= -ENODATA
)
5478 ctx
->delta_stats
.num_rd
++;
5479 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(xattr
.length(), 10);
5481 switch (op
.xattr
.cmp_mode
) {
5482 case CEPH_OSD_CMPXATTR_MODE_STRING
:
5485 bp
.copy(op
.xattr
.value_len
, val
);
5486 val
[op
.xattr
.value_len
] = 0;
5487 dout(10) << "CEPH_OSD_OP_CMPXATTR name=" << name
<< " val=" << val
5488 << " op=" << (int)op
.xattr
.cmp_op
<< " mode=" << (int)op
.xattr
.cmp_mode
<< dendl
;
5489 result
= do_xattr_cmp_str(op
.xattr
.cmp_op
, val
, xattr
);
5493 case CEPH_OSD_CMPXATTR_MODE_U64
:
5497 ::decode(u64val
, bp
);
5499 catch (buffer::error
& e
) {
5503 dout(10) << "CEPH_OSD_OP_CMPXATTR name=" << name
<< " val=" << u64val
5504 << " op=" << (int)op
.xattr
.cmp_op
<< " mode=" << (int)op
.xattr
.cmp_mode
<< dendl
;
5505 result
= do_xattr_cmp_u64(op
.xattr
.cmp_op
, u64val
, xattr
);
5510 dout(10) << "bad cmp mode " << (int)op
.xattr
.cmp_mode
<< dendl
;
5515 dout(10) << "comparison returned false" << dendl
;
5516 result
= -ECANCELED
;
5520 dout(10) << "comparison returned " << result
<< " " << cpp_strerror(-result
) << dendl
;
5524 dout(10) << "comparison returned true" << dendl
;
5528 case CEPH_OSD_OP_ASSERT_VER
:
5531 uint64_t ver
= op
.assert_ver
.ver
;
5532 tracepoint(osd
, do_osd_op_pre_assert_ver
, soid
.oid
.name
.c_str(), soid
.snap
.val
, ver
);
5535 else if (ver
< oi
.user_version
)
5537 else if (ver
> oi
.user_version
)
5538 result
= -EOVERFLOW
;
5542 case CEPH_OSD_OP_LIST_WATCHERS
:
5545 tracepoint(osd
, do_osd_op_pre_list_watchers
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5546 obj_list_watch_response_t resp
;
5548 map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::const_iterator oi_iter
;
5549 for (oi_iter
= oi
.watchers
.begin(); oi_iter
!= oi
.watchers
.end();
5551 dout(20) << "key cookie=" << oi_iter
->first
.first
5552 << " entity=" << oi_iter
->first
.second
<< " "
5553 << oi_iter
->second
<< dendl
;
5554 assert(oi_iter
->first
.first
== oi_iter
->second
.cookie
);
5555 assert(oi_iter
->first
.second
.is_client());
5557 watch_item_t
wi(oi_iter
->first
.second
, oi_iter
->second
.cookie
,
5558 oi_iter
->second
.timeout_seconds
, oi_iter
->second
.addr
);
5559 resp
.entries
.push_back(wi
);
5562 resp
.encode(osd_op
.outdata
, ctx
->get_features());
5565 ctx
->delta_stats
.num_rd
++;
5569 case CEPH_OSD_OP_LIST_SNAPS
:
5572 tracepoint(osd
, do_osd_op_pre_list_snaps
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5573 obj_list_snap_response_t resp
;
5576 ssc
= ctx
->obc
->ssc
= get_snapset_context(soid
, false);
5580 int clonecount
= ssc
->snapset
.clones
.size();
5581 if (ssc
->snapset
.head_exists
)
5583 resp
.clones
.reserve(clonecount
);
5584 for (auto clone_iter
= ssc
->snapset
.clones
.begin();
5585 clone_iter
!= ssc
->snapset
.clones
.end(); ++clone_iter
) {
5587 ci
.cloneid
= *clone_iter
;
5589 hobject_t clone_oid
= soid
;
5590 clone_oid
.snap
= *clone_iter
;
5592 if (!ssc
->snapset
.is_legacy()) {
5593 auto p
= ssc
->snapset
.clone_snaps
.find(*clone_iter
);
5594 if (p
== ssc
->snapset
.clone_snaps
.end()) {
5595 osd
->clog
->error() << "osd." << osd
->whoami
5596 << ": inconsistent clone_snaps found for oid "
5597 << soid
<< " clone " << *clone_iter
5598 << " snapset " << ssc
->snapset
;
5602 for (auto q
= p
->second
.rbegin(); q
!= p
->second
.rend(); ++q
) {
5603 ci
.snaps
.push_back(*q
);
5606 /* No need to take a lock here. We are only inspecting state cached on
5607 * in the ObjectContext, so we aren't performing an actual read unless
5608 * the clone obc is not already loaded (in which case, it cannot have
5609 * an in progress write). We also do not risk exposing uncommitted
5610 * state since we do have a read lock on the head object or snapdir,
5611 * which we would have to write lock in order to make user visible
5612 * modifications to the snapshot state (snap trim related mutations
5613 * are not user visible).
5615 if (is_missing_object(clone_oid
)) {
5616 dout(20) << "LIST_SNAPS " << clone_oid
<< " missing" << dendl
;
5617 wait_for_unreadable_object(clone_oid
, ctx
->op
);
5622 ObjectContextRef clone_obc
= get_object_context(clone_oid
, false);
5624 if (maybe_handle_cache(
5625 ctx
->op
, true, clone_obc
, -ENOENT
, clone_oid
, true)) {
5626 // promoting the clone
5629 osd
->clog
->error() << "osd." << osd
->whoami
5630 << ": missing clone " << clone_oid
5633 // should not happen
5638 for (vector
<snapid_t
>::reverse_iterator p
=
5639 clone_obc
->obs
.oi
.legacy_snaps
.rbegin();
5640 p
!= clone_obc
->obs
.oi
.legacy_snaps
.rend();
5642 ci
.snaps
.push_back(*p
);
5646 dout(20) << " clone " << *clone_iter
<< " snaps " << ci
.snaps
<< dendl
;
5648 map
<snapid_t
, interval_set
<uint64_t> >::const_iterator coi
;
5649 coi
= ssc
->snapset
.clone_overlap
.find(ci
.cloneid
);
5650 if (coi
== ssc
->snapset
.clone_overlap
.end()) {
5651 osd
->clog
->error() << "osd." << osd
->whoami
5652 << ": inconsistent clone_overlap found for oid "
5653 << soid
<< " clone " << *clone_iter
;
5657 const interval_set
<uint64_t> &o
= coi
->second
;
5658 ci
.overlap
.reserve(o
.num_intervals());
5659 for (interval_set
<uint64_t>::const_iterator r
= o
.begin();
5660 r
!= o
.end(); ++r
) {
5661 ci
.overlap
.push_back(pair
<uint64_t,uint64_t>(r
.get_start(),
5665 map
<snapid_t
, uint64_t>::const_iterator si
;
5666 si
= ssc
->snapset
.clone_size
.find(ci
.cloneid
);
5667 if (si
== ssc
->snapset
.clone_size
.end()) {
5668 osd
->clog
->error() << "osd." << osd
->whoami
5669 << ": inconsistent clone_size found for oid "
5670 << soid
<< " clone " << *clone_iter
;
5674 ci
.size
= si
->second
;
5676 resp
.clones
.push_back(ci
);
5681 if (ssc
->snapset
.head_exists
&&
5682 !ctx
->obc
->obs
.oi
.is_whiteout()) {
5685 ci
.cloneid
= CEPH_NOSNAP
;
5687 //Size for HEAD is oi.size
5690 resp
.clones
.push_back(ci
);
5692 resp
.seq
= ssc
->snapset
.seq
;
5694 resp
.encode(osd_op
.outdata
);
5697 ctx
->delta_stats
.num_rd
++;
5701 case CEPH_OSD_OP_NOTIFY
:
5708 uint32_t ver
; // obsolete
5710 ::decode(timeout
, bp
);
5712 } catch (const buffer::error
&e
) {
5715 tracepoint(osd
, do_osd_op_pre_notify
, soid
.oid
.name
.c_str(), soid
.snap
.val
, timeout
);
5717 timeout
= cct
->_conf
->osd_default_notify_timeout
;
5720 n
.timeout
= timeout
;
5721 n
.notify_id
= osd
->get_next_id(get_osdmap()->get_epoch());
5722 n
.cookie
= op
.watch
.cookie
;
5724 ctx
->notifies
.push_back(n
);
5726 // return our unique notify id to the client
5727 ::encode(n
.notify_id
, osd_op
.outdata
);
5731 case CEPH_OSD_OP_NOTIFY_ACK
:
5735 uint64_t notify_id
= 0;
5736 uint64_t watch_cookie
= 0;
5737 ::decode(notify_id
, bp
);
5738 ::decode(watch_cookie
, bp
);
5739 bufferlist reply_bl
;
5741 ::decode(reply_bl
, bp
);
5743 tracepoint(osd
, do_osd_op_pre_notify_ack
, soid
.oid
.name
.c_str(), soid
.snap
.val
, notify_id
, watch_cookie
, "Y");
5744 OpContext::NotifyAck
ack(notify_id
, watch_cookie
, reply_bl
);
5745 ctx
->notify_acks
.push_back(ack
);
5746 } catch (const buffer::error
&e
) {
5747 tracepoint(osd
, do_osd_op_pre_notify_ack
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.watch
.cookie
, 0, "N");
5748 OpContext::NotifyAck
ack(
5749 // op.watch.cookie is actually the notify_id for historical reasons
5752 ctx
->notify_acks
.push_back(ack
);
5757 case CEPH_OSD_OP_SETALLOCHINT
:
5760 tracepoint(osd
, do_osd_op_pre_setallochint
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.alloc_hint
.expected_object_size
, op
.alloc_hint
.expected_write_size
);
5761 maybe_create_new_object(ctx
);
5762 oi
.expected_object_size
= op
.alloc_hint
.expected_object_size
;
5763 oi
.expected_write_size
= op
.alloc_hint
.expected_write_size
;
5764 oi
.alloc_hint_flags
= op
.alloc_hint
.flags
;
5765 t
->set_alloc_hint(soid
, op
.alloc_hint
.expected_object_size
,
5766 op
.alloc_hint
.expected_write_size
,
5767 op
.alloc_hint
.flags
);
5768 ctx
->delta_stats
.num_wr
++;
5776 // -- object data --
5778 case CEPH_OSD_OP_WRITE
:
5781 __u32 seq
= oi
.truncate_seq
;
5782 tracepoint(osd
, do_osd_op_pre_write
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, seq
, op
.extent
.offset
, op
.extent
.length
, op
.extent
.truncate_size
, op
.extent
.truncate_seq
);
5783 if (op
.extent
.length
!= osd_op
.indata
.length()) {
5788 if (pool
.info
.has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED
))
5789 op
.flags
= op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
;
5791 if (pool
.info
.requires_aligned_append() &&
5792 (op
.extent
.offset
% pool
.info
.required_alignment() != 0)) {
5793 result
= -EOPNOTSUPP
;
5798 if (pool
.info
.requires_aligned_append() && op
.extent
.offset
) {
5799 result
= -EOPNOTSUPP
;
5802 } else if (op
.extent
.offset
!= oi
.size
&&
5803 pool
.info
.requires_aligned_append()) {
5804 result
= -EOPNOTSUPP
;
5808 if (seq
&& (seq
> op
.extent
.truncate_seq
) &&
5809 (op
.extent
.offset
+ op
.extent
.length
> oi
.size
)) {
5810 // old write, arrived after trimtrunc
5811 op
.extent
.length
= (op
.extent
.offset
> oi
.size
? 0 : oi
.size
- op
.extent
.offset
);
5812 dout(10) << " old truncate_seq " << op
.extent
.truncate_seq
<< " < current " << seq
5813 << ", adjusting write length to " << op
.extent
.length
<< dendl
;
5815 t
.substr_of(osd_op
.indata
, 0, op
.extent
.length
);
5816 osd_op
.indata
.swap(t
);
5818 if (op
.extent
.truncate_seq
> seq
) {
5819 // write arrives before trimtrunc
5820 if (obs
.exists
&& !oi
.is_whiteout()) {
5821 dout(10) << " truncate_seq " << op
.extent
.truncate_seq
<< " > current " << seq
5822 << ", truncating to " << op
.extent
.truncate_size
<< dendl
;
5823 t
->truncate(soid
, op
.extent
.truncate_size
);
5824 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5825 oi
.truncate_size
= op
.extent
.truncate_size
;
5826 if (op
.extent
.truncate_size
!= oi
.size
) {
5827 ctx
->delta_stats
.num_bytes
-= oi
.size
;
5828 ctx
->delta_stats
.num_bytes
+= op
.extent
.truncate_size
;
5829 oi
.size
= op
.extent
.truncate_size
;
5832 dout(10) << " truncate_seq " << op
.extent
.truncate_seq
<< " > current " << seq
5833 << ", but object is new" << dendl
;
5834 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5835 oi
.truncate_size
= op
.extent
.truncate_size
;
5838 result
= check_offset_and_length(op
.extent
.offset
, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5842 maybe_create_new_object(ctx
);
5844 if (op
.extent
.length
== 0) {
5845 if (op
.extent
.offset
> oi
.size
) {
5847 soid
, op
.extent
.offset
);
5853 soid
, op
.extent
.offset
, op
.extent
.length
, osd_op
.indata
, op
.flags
);
5856 if (op
.extent
.offset
== 0 && op
.extent
.length
>= oi
.size
)
5857 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(-1));
5858 else if (op
.extent
.offset
== oi
.size
&& obs
.oi
.is_data_digest())
5859 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(obs
.oi
.data_digest
));
5861 obs
.oi
.clear_data_digest();
5862 write_update_size_and_usage(ctx
->delta_stats
, oi
, ctx
->modified_ranges
,
5863 op
.extent
.offset
, op
.extent
.length
);
5868 case CEPH_OSD_OP_WRITEFULL
:
5870 { // write full object
5871 tracepoint(osd
, do_osd_op_pre_writefull
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, 0, op
.extent
.length
);
5873 if (op
.extent
.length
!= osd_op
.indata
.length()) {
5877 result
= check_offset_and_length(0, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5881 if (pool
.info
.has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED
))
5882 op
.flags
= op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
;
5884 maybe_create_new_object(ctx
);
5885 if (pool
.info
.require_rollback()) {
5886 t
->truncate(soid
, 0);
5887 } else if (obs
.exists
&& op
.extent
.length
< oi
.size
) {
5888 t
->truncate(soid
, op
.extent
.length
);
5890 if (op
.extent
.length
) {
5891 t
->write(soid
, 0, op
.extent
.length
, osd_op
.indata
, op
.flags
);
5893 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(-1));
5895 write_update_size_and_usage(ctx
->delta_stats
, oi
, ctx
->modified_ranges
,
5896 0, op
.extent
.length
, true);
5900 case CEPH_OSD_OP_WRITESAME
:
5902 tracepoint(osd
, do_osd_op_pre_writesame
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, op
.writesame
.offset
, op
.writesame
.length
, op
.writesame
.data_length
);
5903 result
= do_writesame(ctx
, osd_op
);
5906 case CEPH_OSD_OP_ROLLBACK
:
5908 tracepoint(osd
, do_osd_op_pre_rollback
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5909 result
= _rollback_to(ctx
, op
);
5912 case CEPH_OSD_OP_ZERO
:
5913 tracepoint(osd
, do_osd_op_pre_zero
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.extent
.offset
, op
.extent
.length
);
5914 if (pool
.info
.requires_aligned_append()) {
5915 result
= -EOPNOTSUPP
;
5920 result
= check_offset_and_length(op
.extent
.offset
, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5923 assert(op
.extent
.length
);
5924 if (obs
.exists
&& !oi
.is_whiteout()) {
5925 t
->zero(soid
, op
.extent
.offset
, op
.extent
.length
);
5926 interval_set
<uint64_t> ch
;
5927 ch
.insert(op
.extent
.offset
, op
.extent
.length
);
5928 ctx
->modified_ranges
.union_of(ch
);
5929 ctx
->delta_stats
.num_wr
++;
5930 oi
.clear_data_digest();
5936 case CEPH_OSD_OP_CREATE
:
5939 tracepoint(osd
, do_osd_op_pre_create
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5940 int flags
= le32_to_cpu(op
.flags
);
5941 if (obs
.exists
&& !oi
.is_whiteout() &&
5942 (flags
& CEPH_OSD_OP_FLAG_EXCL
)) {
5943 result
= -EEXIST
; /* this is an exclusive create */
5945 if (osd_op
.indata
.length()) {
5946 bufferlist::iterator p
= osd_op
.indata
.begin();
5949 ::decode(category
, p
);
5951 catch (buffer::error
& e
) {
5955 // category is no longer implemented.
5958 maybe_create_new_object(ctx
);
5965 case CEPH_OSD_OP_TRIMTRUNC
:
5966 op
.extent
.offset
= op
.extent
.truncate_size
;
5969 case CEPH_OSD_OP_TRUNCATE
:
5970 tracepoint(osd
, do_osd_op_pre_truncate
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
, op
.extent
.length
, op
.extent
.truncate_size
, op
.extent
.truncate_seq
);
5971 if (pool
.info
.requires_aligned_append()) {
5972 result
= -EOPNOTSUPP
;
5978 if (!obs
.exists
|| oi
.is_whiteout()) {
5979 dout(10) << " object dne, truncate is a no-op" << dendl
;
5983 if (op
.extent
.offset
> cct
->_conf
->osd_max_object_size
) {
5988 if (op
.extent
.truncate_seq
) {
5989 assert(op
.extent
.offset
== op
.extent
.truncate_size
);
5990 if (op
.extent
.truncate_seq
<= oi
.truncate_seq
) {
5991 dout(10) << " truncate seq " << op
.extent
.truncate_seq
<< " <= current " << oi
.truncate_seq
5992 << ", no-op" << dendl
;
5995 dout(10) << " truncate seq " << op
.extent
.truncate_seq
<< " > current " << oi
.truncate_seq
5996 << ", truncating" << dendl
;
5997 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5998 oi
.truncate_size
= op
.extent
.truncate_size
;
6001 maybe_create_new_object(ctx
);
6002 t
->truncate(soid
, op
.extent
.offset
);
6003 if (oi
.size
> op
.extent
.offset
) {
6004 interval_set
<uint64_t> trim
;
6005 trim
.insert(op
.extent
.offset
, oi
.size
-op
.extent
.offset
);
6006 ctx
->modified_ranges
.union_of(trim
);
6008 if (op
.extent
.offset
!= oi
.size
) {
6009 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6010 ctx
->delta_stats
.num_bytes
+= op
.extent
.offset
;
6011 oi
.size
= op
.extent
.offset
;
6013 ctx
->delta_stats
.num_wr
++;
6014 // do no set exists, or we will break above DELETE -> TRUNCATE munging.
6016 oi
.clear_data_digest();
6020 case CEPH_OSD_OP_DELETE
:
6022 tracepoint(osd
, do_osd_op_pre_delete
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6024 result
= _delete_oid(ctx
, false, ctx
->ignore_cache
);
6028 case CEPH_OSD_OP_WATCH
:
6031 tracepoint(osd
, do_osd_op_pre_watch
, soid
.oid
.name
.c_str(), soid
.snap
.val
,
6032 op
.watch
.cookie
, op
.watch
.op
);
6037 uint64_t cookie
= op
.watch
.cookie
;
6038 entity_name_t entity
= ctx
->reqid
.name
;
6039 ObjectContextRef obc
= ctx
->obc
;
6041 dout(10) << "watch " << ceph_osd_watch_op_name(op
.watch
.op
)
6042 << ": ctx->obc=" << (void *)obc
.get() << " cookie=" << cookie
6043 << " oi.version=" << oi
.version
.version
<< " ctx->at_version=" << ctx
->at_version
<< dendl
;
6044 dout(10) << "watch: oi.user_version=" << oi
.user_version
<< dendl
;
6045 dout(10) << "watch: peer_addr="
6046 << ctx
->op
->get_req()->get_connection()->get_peer_addr() << dendl
;
6048 uint32_t timeout
= cct
->_conf
->osd_client_watch_timeout
;
6049 if (op
.watch
.timeout
!= 0) {
6050 timeout
= op
.watch
.timeout
;
6053 watch_info_t
w(cookie
, timeout
,
6054 ctx
->op
->get_req()->get_connection()->get_peer_addr());
6055 if (op
.watch
.op
== CEPH_OSD_WATCH_OP_WATCH
||
6056 op
.watch
.op
== CEPH_OSD_WATCH_OP_LEGACY_WATCH
) {
6057 if (oi
.watchers
.count(make_pair(cookie
, entity
))) {
6058 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
6060 dout(10) << " registered new watch " << w
<< " by " << entity
<< dendl
;
6061 oi
.watchers
[make_pair(cookie
, entity
)] = w
;
6062 t
->nop(soid
); // make sure update the object_info on disk!
6064 bool will_ping
= (op
.watch
.op
== CEPH_OSD_WATCH_OP_WATCH
);
6065 ctx
->watch_connects
.push_back(make_pair(w
, will_ping
));
6066 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_RECONNECT
) {
6067 if (!oi
.watchers
.count(make_pair(cookie
, entity
))) {
6071 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
6072 ctx
->watch_connects
.push_back(make_pair(w
, true));
6073 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_PING
) {
6074 /* Note: WATCH with PING doesn't cause may_write() to return true,
6075 * so if there is nothing else in the transaction, this is going
6076 * to run do_osd_op_effects, but not write out a log entry */
6077 if (!oi
.watchers
.count(make_pair(cookie
, entity
))) {
6081 map
<pair
<uint64_t,entity_name_t
>,WatchRef
>::iterator p
=
6082 obc
->watchers
.find(make_pair(cookie
, entity
));
6083 if (p
== obc
->watchers
.end() ||
6084 !p
->second
->is_connected()) {
6085 // client needs to reconnect
6086 result
= -ETIMEDOUT
;
6089 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
6090 p
->second
->got_ping(ceph_clock_now());
6092 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_UNWATCH
) {
6093 map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator oi_iter
=
6094 oi
.watchers
.find(make_pair(cookie
, entity
));
6095 if (oi_iter
!= oi
.watchers
.end()) {
6096 dout(10) << " removed watch " << oi_iter
->second
<< " by "
6098 oi
.watchers
.erase(oi_iter
);
6099 t
->nop(soid
); // update oi on disk
6100 ctx
->watch_disconnects
.push_back(
6101 watch_disconnect_t(cookie
, entity
, false));
6103 dout(10) << " can't remove: no watch by " << entity
<< dendl
;
6109 case CEPH_OSD_OP_CACHE_PIN
:
6110 tracepoint(osd
, do_osd_op_pre_cache_pin
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6111 if ((!pool
.info
.is_tier() ||
6112 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)) {
6114 dout(10) << " pin object is only allowed on the cache tier " << dendl
;
6119 if (!obs
.exists
|| oi
.is_whiteout()) {
6124 if (!oi
.is_cache_pinned()) {
6125 oi
.set_flag(object_info_t::FLAG_CACHE_PIN
);
6127 ctx
->delta_stats
.num_objects_pinned
++;
6128 ctx
->delta_stats
.num_wr
++;
6134 case CEPH_OSD_OP_CACHE_UNPIN
:
6135 tracepoint(osd
, do_osd_op_pre_cache_unpin
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6136 if ((!pool
.info
.is_tier() ||
6137 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)) {
6139 dout(10) << " pin object is only allowed on the cache tier " << dendl
;
6144 if (!obs
.exists
|| oi
.is_whiteout()) {
6149 if (oi
.is_cache_pinned()) {
6150 oi
.clear_flag(object_info_t::FLAG_CACHE_PIN
);
6152 ctx
->delta_stats
.num_objects_pinned
--;
6153 ctx
->delta_stats
.num_wr
++;
6159 case CEPH_OSD_OP_SET_REDIRECT
:
6162 if (pool
.info
.is_tier()) {
6170 if (get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
) {
6171 result
= -EOPNOTSUPP
;
6175 object_t target_name
;
6176 object_locator_t target_oloc
;
6177 snapid_t target_snapid
= (uint64_t)op
.copy_from
.snapid
;
6178 version_t target_version
= op
.copy_from
.src_version
;
6180 ::decode(target_name
, bp
);
6181 ::decode(target_oloc
, bp
);
6183 catch (buffer::error
& e
) {
6188 get_osdmap()->object_locator_to_pg(target_name
, target_oloc
, raw_pg
);
6189 hobject_t
target(target_name
, target_oloc
.key
, target_snapid
,
6190 raw_pg
.ps(), raw_pg
.pool(),
6191 target_oloc
.nspace
);
6192 if (target
== soid
) {
6193 dout(20) << " set-redirect self is invalid" << dendl
;
6197 oi
.set_flag(object_info_t::FLAG_MANIFEST
);
6198 oi
.manifest
.redirect_target
= target
;
6199 oi
.manifest
.type
= object_manifest_t::TYPE_REDIRECT
;
6200 t
->truncate(soid
, 0);
6201 if (oi
.is_omap() && pool
.info
.supports_omap()) {
6202 t
->omap_clear(soid
);
6203 obs
.oi
.clear_omap_digest();
6204 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
6206 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6209 oi
.user_version
= target_version
;
6210 ctx
->user_at_version
= target_version
;
6212 map
<string
,bufferlist
> rmattrs
;
6213 result
= getattrs_maybe_cache(ctx
->obc
,
6218 map
<string
, bufferlist
>::iterator iter
;
6219 for (iter
= rmattrs
.begin(); iter
!= rmattrs
.end(); ++iter
) {
6220 const string
& name
= iter
->first
;
6221 t
->rmattr(soid
, name
);
6223 dout(10) << "set-redirect oid:" << oi
.soid
<< " user_version: " << oi
.user_version
<< dendl
;
6228 // -- object attrs --
6230 case CEPH_OSD_OP_SETXATTR
:
6233 if (cct
->_conf
->osd_max_attr_size
> 0 &&
6234 op
.xattr
.value_len
> cct
->_conf
->osd_max_attr_size
) {
6235 tracepoint(osd
, do_osd_op_pre_setxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6239 unsigned max_name_len
= MIN(osd
->store
->get_max_attr_name_length(),
6240 cct
->_conf
->osd_max_attr_name_len
);
6241 if (op
.xattr
.name_len
> max_name_len
) {
6242 result
= -ENAMETOOLONG
;
6245 maybe_create_new_object(ctx
);
6247 bp
.copy(op
.xattr
.name_len
, aname
);
6248 tracepoint(osd
, do_osd_op_pre_setxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
6249 string name
= "_" + aname
;
6251 bp
.copy(op
.xattr
.value_len
, bl
);
6252 t
->setattr(soid
, name
, bl
);
6253 ctx
->delta_stats
.num_wr
++;
6257 case CEPH_OSD_OP_RMXATTR
:
6261 bp
.copy(op
.xattr
.name_len
, aname
);
6262 tracepoint(osd
, do_osd_op_pre_rmxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
6263 if (!obs
.exists
|| oi
.is_whiteout()) {
6267 string name
= "_" + aname
;
6268 t
->rmattr(soid
, name
);
6269 ctx
->delta_stats
.num_wr
++;
6274 // -- fancy writers --
6275 case CEPH_OSD_OP_APPEND
:
6277 tracepoint(osd
, do_osd_op_pre_append
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
, op
.extent
.length
, op
.extent
.truncate_size
, op
.extent
.truncate_seq
);
6278 // just do it inline; this works because we are happy to execute
6279 // fancy op on replicas as well.
6280 vector
<OSDOp
> nops(1);
6281 OSDOp
& newop
= nops
[0];
6282 newop
.op
.op
= CEPH_OSD_OP_WRITE
;
6283 newop
.op
.extent
.offset
= oi
.size
;
6284 newop
.op
.extent
.length
= op
.extent
.length
;
6285 newop
.op
.extent
.truncate_seq
= oi
.truncate_seq
;
6286 newop
.indata
= osd_op
.indata
;
6287 result
= do_osd_ops(ctx
, nops
);
6288 osd_op
.outdata
.claim(newop
.outdata
);
6292 case CEPH_OSD_OP_STARTSYNC
:
6293 tracepoint(osd
, do_osd_op_pre_startsync
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6298 // -- trivial map --
6299 case CEPH_OSD_OP_TMAPGET
:
6300 tracepoint(osd
, do_osd_op_pre_tmapget
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6301 if (pool
.info
.require_rollback()) {
6302 result
= -EOPNOTSUPP
;
6306 vector
<OSDOp
> nops(1);
6307 OSDOp
& newop
= nops
[0];
6308 newop
.op
.op
= CEPH_OSD_OP_SYNC_READ
;
6309 newop
.op
.extent
.offset
= 0;
6310 newop
.op
.extent
.length
= 0;
6311 do_osd_ops(ctx
, nops
);
6312 osd_op
.outdata
.claim(newop
.outdata
);
6316 case CEPH_OSD_OP_TMAPPUT
:
6317 tracepoint(osd
, do_osd_op_pre_tmapput
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6318 if (pool
.info
.require_rollback()) {
6319 result
= -EOPNOTSUPP
;
6323 //_dout_lock.Lock();
6324 //osd_op.data.hexdump(*_dout);
6325 //_dout_lock.Unlock();
6327 // verify sort order
6328 bool unsorted
= false;
6331 ::decode(header
, bp
);
6338 dout(10) << "tmapput key " << key
<< dendl
;
6341 if (key
< last_key
) {
6342 dout(10) << "TMAPPUT is unordered; resorting" << dendl
;
6351 vector
<OSDOp
> nops(1);
6352 OSDOp
& newop
= nops
[0];
6353 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
6354 newop
.op
.extent
.offset
= 0;
6355 newop
.op
.extent
.length
= osd_op
.indata
.length();
6356 newop
.indata
= osd_op
.indata
;
6359 bp
= osd_op
.indata
.begin();
6361 map
<string
, bufferlist
> m
;
6362 ::decode(header
, bp
);
6366 ::encode(header
, newbl
);
6368 newop
.indata
= newbl
;
6370 result
= do_osd_ops(ctx
, nops
);
6371 assert(result
== 0);
6375 case CEPH_OSD_OP_TMAPUP
:
6376 tracepoint(osd
, do_osd_op_pre_tmapup
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6377 if (pool
.info
.require_rollback()) {
6378 result
= -EOPNOTSUPP
;
6382 result
= do_tmapup(ctx
, bp
, osd_op
);
6385 case CEPH_OSD_OP_TMAP2OMAP
:
6387 tracepoint(osd
, do_osd_op_pre_tmap2omap
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6388 result
= do_tmap2omap(ctx
, op
.tmap2omap
.flags
);
6392 case CEPH_OSD_OP_OMAPGETKEYS
:
6396 uint64_t max_return
;
6398 ::decode(start_after
, bp
);
6399 ::decode(max_return
, bp
);
6401 catch (buffer::error
& e
) {
6403 tracepoint(osd
, do_osd_op_pre_omapgetkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", 0);
6406 if (max_return
> cct
->_conf
->osd_max_omap_entries_per_request
) {
6407 max_return
= cct
->_conf
->osd_max_omap_entries_per_request
;
6409 tracepoint(osd
, do_osd_op_pre_omapgetkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, start_after
.c_str(), max_return
);
6413 bool truncated
= false;
6415 ObjectMap::ObjectMapIterator iter
= osd
->store
->get_omap_iterator(
6416 coll
, ghobject_t(soid
)
6419 iter
->upper_bound(start_after
);
6420 for (num
= 0; iter
->valid(); ++num
, iter
->next(false)) {
6421 if (num
>= max_return
||
6422 bl
.length() >= cct
->_conf
->osd_max_omap_bytes_per_request
) {
6426 ::encode(iter
->key(), bl
);
6428 } // else return empty out_set
6429 ::encode(num
, osd_op
.outdata
);
6430 osd_op
.outdata
.claim_append(bl
);
6431 ::encode(truncated
, osd_op
.outdata
);
6432 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6433 ctx
->delta_stats
.num_rd
++;
6437 case CEPH_OSD_OP_OMAPGETVALS
:
6441 uint64_t max_return
;
6442 string filter_prefix
;
6444 ::decode(start_after
, bp
);
6445 ::decode(max_return
, bp
);
6446 ::decode(filter_prefix
, bp
);
6448 catch (buffer::error
& e
) {
6450 tracepoint(osd
, do_osd_op_pre_omapgetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", 0, "???");
6453 if (max_return
> cct
->_conf
->osd_max_omap_entries_per_request
) {
6454 max_return
= cct
->_conf
->osd_max_omap_entries_per_request
;
6456 tracepoint(osd
, do_osd_op_pre_omapgetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
, start_after
.c_str(), max_return
, filter_prefix
.c_str());
6459 bool truncated
= false;
6462 ObjectMap::ObjectMapIterator iter
= osd
->store
->get_omap_iterator(
6463 coll
, ghobject_t(soid
)
6469 iter
->upper_bound(start_after
);
6470 if (filter_prefix
> start_after
) iter
->lower_bound(filter_prefix
);
6473 iter
->key().substr(0, filter_prefix
.size()) == filter_prefix
;
6474 ++num
, iter
->next(false)) {
6475 dout(20) << "Found key " << iter
->key() << dendl
;
6476 if (num
>= max_return
||
6477 bl
.length() >= cct
->_conf
->osd_max_omap_bytes_per_request
) {
6481 ::encode(iter
->key(), bl
);
6482 ::encode(iter
->value(), bl
);
6484 } // else return empty out_set
6485 ::encode(num
, osd_op
.outdata
);
6486 osd_op
.outdata
.claim_append(bl
);
6487 ::encode(truncated
, osd_op
.outdata
);
6488 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6489 ctx
->delta_stats
.num_rd
++;
6493 case CEPH_OSD_OP_OMAPGETHEADER
:
6494 tracepoint(osd
, do_osd_op_pre_omapgetheader
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6495 if (!oi
.is_omap()) {
6496 // return empty header
6501 osd
->store
->omap_get_header(ch
, ghobject_t(soid
), &osd_op
.outdata
);
6502 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6503 ctx
->delta_stats
.num_rd
++;
6507 case CEPH_OSD_OP_OMAPGETVALSBYKEYS
:
6510 set
<string
> keys_to_get
;
6512 ::decode(keys_to_get
, bp
);
6514 catch (buffer::error
& e
) {
6516 tracepoint(osd
, do_osd_op_pre_omapgetvalsbykeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6519 tracepoint(osd
, do_osd_op_pre_omapgetvalsbykeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, list_entries(keys_to_get
).c_str());
6520 map
<string
, bufferlist
> out
;
6522 osd
->store
->omap_get_values(ch
, ghobject_t(soid
), keys_to_get
, &out
);
6523 } // else return empty omap entries
6524 ::encode(out
, osd_op
.outdata
);
6525 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6526 ctx
->delta_stats
.num_rd
++;
6530 case CEPH_OSD_OP_OMAP_CMP
:
6533 if (!obs
.exists
|| oi
.is_whiteout()) {
6535 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6538 map
<string
, pair
<bufferlist
, int> > assertions
;
6540 ::decode(assertions
, bp
);
6542 catch (buffer::error
& e
) {
6544 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6547 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, list_keys(assertions
).c_str());
6549 map
<string
, bufferlist
> out
;
6553 for (map
<string
, pair
<bufferlist
, int> >::iterator i
= assertions
.begin();
6554 i
!= assertions
.end();
6556 to_get
.insert(i
->first
);
6557 int r
= osd
->store
->omap_get_values(ch
, ghobject_t(soid
),
6563 } // else leave out empty
6565 //Should set num_rd_kb based on encode length of map
6566 ctx
->delta_stats
.num_rd
++;
6570 for (map
<string
, pair
<bufferlist
, int> >::iterator i
= assertions
.begin();
6571 i
!= assertions
.end();
6573 auto out_entry
= out
.find(i
->first
);
6574 bufferlist
&bl
= (out_entry
!= out
.end()) ?
6575 out_entry
->second
: empty
;
6576 switch (i
->second
.second
) {
6577 case CEPH_OSD_CMPXATTR_OP_EQ
:
6578 if (!(bl
== i
->second
.first
)) {
6582 case CEPH_OSD_CMPXATTR_OP_LT
:
6583 if (!(bl
< i
->second
.first
)) {
6587 case CEPH_OSD_CMPXATTR_OP_GT
:
6588 if (!(bl
> i
->second
.first
)) {
6606 case CEPH_OSD_OP_OMAPSETVALS
:
6607 if (!pool
.info
.supports_omap()) {
6608 result
= -EOPNOTSUPP
;
6609 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6614 maybe_create_new_object(ctx
);
6615 bufferlist to_set_bl
;
6617 decode_str_str_map_to_bl(bp
, &to_set_bl
);
6619 catch (buffer::error
& e
) {
6621 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6624 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6625 if (cct
->_conf
->subsys
.should_gather(dout_subsys
, 20)) {
6626 dout(20) << "setting vals: " << dendl
;
6627 map
<string
,bufferlist
> to_set
;
6628 bufferlist::iterator pt
= to_set_bl
.begin();
6629 ::decode(to_set
, pt
);
6630 for (map
<string
, bufferlist
>::iterator i
= to_set
.begin();
6633 dout(20) << "\t" << i
->first
<< dendl
;
6636 t
->omap_setkeys(soid
, to_set_bl
);
6637 ctx
->delta_stats
.num_wr
++;
6639 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6640 obs
.oi
.clear_omap_digest();
6643 case CEPH_OSD_OP_OMAPSETHEADER
:
6644 tracepoint(osd
, do_osd_op_pre_omapsetheader
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6645 if (!pool
.info
.supports_omap()) {
6646 result
= -EOPNOTSUPP
;
6651 maybe_create_new_object(ctx
);
6652 t
->omap_setheader(soid
, osd_op
.indata
);
6653 ctx
->delta_stats
.num_wr
++;
6655 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6656 obs
.oi
.clear_omap_digest();
6659 case CEPH_OSD_OP_OMAPCLEAR
:
6660 tracepoint(osd
, do_osd_op_pre_omapclear
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6661 if (!pool
.info
.supports_omap()) {
6662 result
= -EOPNOTSUPP
;
6667 if (!obs
.exists
|| oi
.is_whiteout()) {
6672 t
->omap_clear(soid
);
6673 ctx
->delta_stats
.num_wr
++;
6674 obs
.oi
.clear_omap_digest();
6675 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
6680 case CEPH_OSD_OP_OMAPRMKEYS
:
6681 if (!pool
.info
.supports_omap()) {
6682 result
= -EOPNOTSUPP
;
6683 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6688 if (!obs
.exists
|| oi
.is_whiteout()) {
6690 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6693 bufferlist to_rm_bl
;
6695 decode_str_set_to_bl(bp
, &to_rm_bl
);
6697 catch (buffer::error
& e
) {
6699 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6702 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6703 t
->omap_rmkeys(soid
, to_rm_bl
);
6704 ctx
->delta_stats
.num_wr
++;
6706 obs
.oi
.clear_omap_digest();
6709 case CEPH_OSD_OP_COPY_GET
:
6711 tracepoint(osd
, do_osd_op_pre_copy_get
, soid
.oid
.name
.c_str(),
6713 if (op_finisher
== nullptr) {
6714 result
= do_copy_get(ctx
, bp
, osd_op
, ctx
->obc
);
6716 result
= op_finisher
->execute();
6720 case CEPH_OSD_OP_COPY_FROM
:
6724 object_locator_t src_oloc
;
6725 snapid_t src_snapid
= (uint64_t)op
.copy_from
.snapid
;
6726 version_t src_version
= op
.copy_from
.src_version
;
6728 ::decode(src_name
, bp
);
6729 ::decode(src_oloc
, bp
);
6731 catch (buffer::error
& e
) {
6734 do_osd_op_pre_copy_from
,
6735 soid
.oid
.name
.c_str(),
6747 do_osd_op_pre_copy_from
,
6748 soid
.oid
.name
.c_str(),
6750 src_name
.name
.c_str(),
6752 src_oloc
.key
.c_str(),
6753 src_oloc
.nspace
.c_str(),
6757 if (op_finisher
== nullptr) {
6760 get_osdmap()->object_locator_to_pg(src_name
, src_oloc
, raw_pg
);
6761 hobject_t
src(src_name
, src_oloc
.key
, src_snapid
,
6762 raw_pg
.ps(), raw_pg
.pool(),
6765 dout(20) << " copy from self is invalid" << dendl
;
6769 CopyFromCallback
*cb
= new CopyFromCallback(ctx
, osd_op
);
6770 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
6771 new CopyFromFinisher(cb
));
6772 start_copy(cb
, ctx
->obc
, src
, src_oloc
, src_version
,
6775 op
.copy_from
.src_fadvise_flags
,
6777 result
= -EINPROGRESS
;
6780 result
= op_finisher
->execute();
6781 assert(result
== 0);
6783 // COPY_FROM cannot be executed multiple times -- it must restart
6784 ctx
->op_finishers
.erase(ctx
->current_osd_subop_num
);
6790 tracepoint(osd
, do_osd_op_pre_unknown
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
));
6791 dout(1) << "unrecognized osd op " << op
.op
6792 << " " << ceph_osd_op_name(op
.op
)
6794 result
= -EOPNOTSUPP
;
6798 osd_op
.rval
= result
;
6799 tracepoint(osd
, do_osd_op_post
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
), op
.flags
, result
);
6800 if (result
< 0 && (op
.flags
& CEPH_OSD_OP_FLAG_FAILOK
))
6809 int PrimaryLogPG::_get_tmap(OpContext
*ctx
, bufferlist
*header
, bufferlist
*vals
)
6811 if (ctx
->new_obs
.oi
.size
== 0) {
6812 dout(20) << "unable to get tmap for zero sized " << ctx
->new_obs
.oi
.soid
<< dendl
;
6815 vector
<OSDOp
> nops(1);
6816 OSDOp
&newop
= nops
[0];
6817 newop
.op
.op
= CEPH_OSD_OP_TMAPGET
;
6818 do_osd_ops(ctx
, nops
);
6820 bufferlist::iterator i
= newop
.outdata
.begin();
6821 ::decode(*header
, i
);
6822 (*vals
).substr_of(newop
.outdata
, i
.get_off(), i
.get_remaining());
6824 dout(20) << "unsuccessful at decoding tmap for " << ctx
->new_obs
.oi
.soid
6828 dout(20) << "successful at decoding tmap for " << ctx
->new_obs
.oi
.soid
6833 int PrimaryLogPG::_verify_no_head_clones(const hobject_t
& soid
,
6836 // verify that all clones have been evicted
6837 dout(20) << __func__
<< " verifying clones are absent "
6839 for (vector
<snapid_t
>::const_iterator p
= ss
.clones
.begin();
6840 p
!= ss
.clones
.end();
6842 hobject_t clone_oid
= soid
;
6843 clone_oid
.snap
= *p
;
6844 if (is_missing_object(clone_oid
))
6846 ObjectContextRef clone_obc
= get_object_context(clone_oid
, false);
6847 if (clone_obc
&& clone_obc
->obs
.exists
) {
6848 dout(10) << __func__
<< " cannot evict head before clone "
6849 << clone_oid
<< dendl
;
6852 if (copy_ops
.count(clone_oid
)) {
6853 dout(10) << __func__
<< " cannot evict head, pending promote on clone "
6854 << clone_oid
<< dendl
;
6861 inline int PrimaryLogPG::_delete_oid(
6863 bool no_whiteout
, // no whiteouts, no matter what.
6864 bool try_no_whiteout
) // try not to whiteout
6866 SnapSet
& snapset
= ctx
->new_snapset
;
6867 ObjectState
& obs
= ctx
->new_obs
;
6868 object_info_t
& oi
= obs
.oi
;
6869 const hobject_t
& soid
= oi
.soid
;
6870 PGTransaction
* t
= ctx
->op_t
.get();
6872 // cache: cache: set whiteout on delete?
6873 bool whiteout
= false;
6874 if (pool
.info
.cache_mode
!= pg_pool_t::CACHEMODE_NONE
6876 && !try_no_whiteout
) {
6880 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_LUMINOUS
) {
6882 // in luminous or later, we can't delete the head if there are
6883 // clones. we trust the caller passing no_whiteout has already
6884 // verified they don't exist.
6885 if (!snapset
.clones
.empty() ||
6886 (!ctx
->snapc
.snaps
.empty() && ctx
->snapc
.snaps
[0] > snapset
.seq
)) {
6888 dout(20) << __func__
<< " has or will have clones but no_whiteout=1"
6891 dout(20) << __func__
<< " has or will have clones; will whiteout"
6899 dout(20) << __func__
<< " " << soid
<< " whiteout=" << (int)whiteout
6900 << " no_whiteout=" << (int)no_whiteout
6901 << " try_no_whiteout=" << (int)try_no_whiteout
6903 if (!obs
.exists
|| (obs
.oi
.is_whiteout() && whiteout
))
6909 interval_set
<uint64_t> ch
;
6910 ch
.insert(0, oi
.size
);
6911 ctx
->modified_ranges
.union_of(ch
);
6914 ctx
->delta_stats
.num_wr
++;
6915 if (soid
.is_snap()) {
6916 assert(ctx
->obc
->ssc
->snapset
.clone_overlap
.count(soid
.snap
));
6917 ctx
->delta_stats
.num_bytes
-= ctx
->obc
->ssc
->snapset
.get_clone_bytes(soid
.snap
);
6919 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6924 // disconnect all watchers
6925 for (map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator p
=
6926 oi
.watchers
.begin();
6927 p
!= oi
.watchers
.end();
6929 dout(20) << __func__
<< " will disconnect watcher " << p
->first
<< dendl
;
6930 ctx
->watch_disconnects
.push_back(
6931 watch_disconnect_t(p
->first
.first
, p
->first
.second
, true));
6933 oi
.watchers
.clear();
6936 dout(20) << __func__
<< " setting whiteout on " << soid
<< dendl
;
6937 oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
6938 ctx
->delta_stats
.num_whiteouts
++;
6940 osd
->logger
->inc(l_osd_tier_whiteout
);
6945 ctx
->delta_stats
.num_objects
--;
6947 ctx
->delta_stats
.num_object_clones
--;
6948 if (oi
.is_whiteout()) {
6949 dout(20) << __func__
<< " deleting whiteout on " << soid
<< dendl
;
6950 ctx
->delta_stats
.num_whiteouts
--;
6951 oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
6953 if (oi
.is_cache_pinned()) {
6954 ctx
->delta_stats
.num_objects_pinned
--;
6956 if ((legacy
|| snapset
.is_legacy()) && soid
.is_head()) {
6957 snapset
.head_exists
= false;
6963 int PrimaryLogPG::_rollback_to(OpContext
*ctx
, ceph_osd_op
& op
)
6965 SnapSet
& snapset
= ctx
->new_snapset
;
6966 ObjectState
& obs
= ctx
->new_obs
;
6967 object_info_t
& oi
= obs
.oi
;
6968 const hobject_t
& soid
= oi
.soid
;
6969 PGTransaction
* t
= ctx
->op_t
.get();
6970 snapid_t snapid
= (uint64_t)op
.snap
.snapid
;
6971 hobject_t missing_oid
;
6973 dout(10) << "_rollback_to " << soid
<< " snapid " << snapid
<< dendl
;
6975 ObjectContextRef rollback_to
;
6976 int ret
= find_object_context(
6977 hobject_t(soid
.oid
, soid
.get_key(), snapid
, soid
.get_hash(), info
.pgid
.pool(),
6978 soid
.get_namespace()),
6979 &rollback_to
, false, false, &missing_oid
);
6980 if (ret
== -EAGAIN
) {
6981 /* clone must be missing */
6982 assert(is_degraded_or_backfilling_object(missing_oid
));
6983 dout(20) << "_rollback_to attempted to roll back to a missing or backfilling clone "
6984 << missing_oid
<< " (requested snapid: ) " << snapid
<< dendl
;
6985 block_write_on_degraded_snap(missing_oid
, ctx
->op
);
6989 ObjectContextRef promote_obc
;
6990 cache_result_t tier_mode_result
;
6991 if (obs
.exists
&& obs
.oi
.has_manifest()) {
6993 maybe_handle_manifest_detail(
6999 maybe_handle_cache_detail(
7009 switch (tier_mode_result
) {
7010 case cache_result_t::NOOP
:
7012 case cache_result_t::BLOCKED_PROMOTE
:
7013 assert(promote_obc
);
7014 block_write_on_snap_rollback(soid
, promote_obc
, ctx
->op
);
7016 case cache_result_t::BLOCKED_FULL
:
7017 block_write_on_full_cache(soid
, ctx
->op
);
7019 case cache_result_t::REPLIED_WITH_EAGAIN
:
7020 assert(0 == "this can't happen, no rollback on replica");
7022 assert(0 == "must promote was set, other values are not valid");
7027 if (ret
== -ENOENT
|| (rollback_to
&& rollback_to
->obs
.oi
.is_whiteout())) {
7028 // there's no snapshot here, or there's no object.
7029 // if there's no snapshot, we delete the object; otherwise, do nothing.
7030 dout(20) << "_rollback_to deleting head on " << soid
.oid
7031 << " because got ENOENT|whiteout on find_object_context" << dendl
;
7032 if (ctx
->obc
->obs
.oi
.watchers
.size()) {
7033 // Cannot delete an object with watchers
7036 _delete_oid(ctx
, false, false);
7040 // ummm....huh? It *can't* return anything else at time of writing.
7041 assert(0 == "unexpected error code in _rollback_to");
7042 } else { //we got our context, let's use it to do the rollback!
7043 hobject_t
& rollback_to_sobject
= rollback_to
->obs
.oi
.soid
;
7044 if (is_degraded_or_backfilling_object(rollback_to_sobject
)) {
7045 dout(20) << "_rollback_to attempted to roll back to a degraded object "
7046 << rollback_to_sobject
<< " (requested snapid: ) " << snapid
<< dendl
;
7047 block_write_on_degraded_snap(rollback_to_sobject
, ctx
->op
);
7049 } else if (rollback_to
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
) {
7050 // rolling back to the head; we just need to clone it.
7053 /* 1) Delete current head
7054 * 2) Clone correct snapshot into head
7055 * 3) Calculate clone_overlaps by following overlaps
7056 * forward from rollback snapshot */
7057 dout(10) << "_rollback_to deleting " << soid
.oid
7058 << " and rolling back to old snap" << dendl
;
7063 t
->clone(soid
, rollback_to_sobject
);
7064 snapset
.head_exists
= true;
7065 t
->add_obc(rollback_to
);
7067 map
<snapid_t
, interval_set
<uint64_t> >::iterator iter
=
7068 snapset
.clone_overlap
.lower_bound(snapid
);
7069 interval_set
<uint64_t> overlaps
= iter
->second
;
7070 assert(iter
!= snapset
.clone_overlap
.end());
7072 iter
!= snapset
.clone_overlap
.end();
7074 overlaps
.intersection_of(iter
->second
);
7076 if (obs
.oi
.size
> 0) {
7077 interval_set
<uint64_t> modified
;
7078 modified
.insert(0, obs
.oi
.size
);
7079 overlaps
.intersection_of(modified
);
7080 modified
.subtract(overlaps
);
7081 ctx
->modified_ranges
.union_of(modified
);
7084 // Adjust the cached objectcontext
7085 maybe_create_new_object(ctx
, true);
7086 ctx
->delta_stats
.num_bytes
-= obs
.oi
.size
;
7087 ctx
->delta_stats
.num_bytes
+= rollback_to
->obs
.oi
.size
;
7088 obs
.oi
.size
= rollback_to
->obs
.oi
.size
;
7089 if (rollback_to
->obs
.oi
.is_data_digest())
7090 obs
.oi
.set_data_digest(rollback_to
->obs
.oi
.data_digest
);
7092 obs
.oi
.clear_data_digest();
7093 if (rollback_to
->obs
.oi
.is_omap_digest())
7094 obs
.oi
.set_omap_digest(rollback_to
->obs
.oi
.omap_digest
);
7096 obs
.oi
.clear_omap_digest();
7098 if (rollback_to
->obs
.oi
.is_omap()) {
7099 dout(10) << __func__
<< " setting omap flag on " << obs
.oi
.soid
<< dendl
;
7100 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
7102 dout(10) << __func__
<< " clearing omap flag on " << obs
.oi
.soid
<< dendl
;
7103 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
7106 snapset
.head_exists
= true;
7112 void PrimaryLogPG::_make_clone(
7115 ObjectContextRef obc
,
7116 const hobject_t
& head
, const hobject_t
& coid
,
7120 ::encode(*poi
, bv
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7122 t
->clone(coid
, head
);
7123 setattr_maybe_cache(obc
, ctx
, t
, OI_ATTR
, bv
);
7124 rmattr_maybe_cache(obc
, ctx
, t
, SS_ATTR
);
7127 void PrimaryLogPG::make_writeable(OpContext
*ctx
)
7129 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7130 SnapContext
& snapc
= ctx
->snapc
;
7133 assert(soid
.snap
== CEPH_NOSNAP
);
7134 dout(20) << "make_writeable " << soid
<< " snapset=" << ctx
->new_snapset
7135 << " snapc=" << snapc
<< dendl
;
7137 bool was_dirty
= ctx
->obc
->obs
.oi
.is_dirty();
7138 if (ctx
->new_obs
.exists
) {
7139 // we will mark the object dirty
7140 if (ctx
->undirty
&& was_dirty
) {
7141 dout(20) << " clearing DIRTY flag" << dendl
;
7142 assert(ctx
->new_obs
.oi
.is_dirty());
7143 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
7144 --ctx
->delta_stats
.num_objects_dirty
;
7145 osd
->logger
->inc(l_osd_tier_clean
);
7146 } else if (!was_dirty
&& !ctx
->undirty
) {
7147 dout(20) << " setting DIRTY flag" << dendl
;
7148 ctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_DIRTY
);
7149 ++ctx
->delta_stats
.num_objects_dirty
;
7150 osd
->logger
->inc(l_osd_tier_dirty
);
7154 dout(20) << " deletion, decrementing num_dirty and clearing flag" << dendl
;
7155 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
7156 --ctx
->delta_stats
.num_objects_dirty
;
7160 if ((ctx
->new_obs
.exists
&&
7161 ctx
->new_obs
.oi
.is_omap()) &&
7162 (!ctx
->obc
->obs
.exists
||
7163 !ctx
->obc
->obs
.oi
.is_omap())) {
7164 ++ctx
->delta_stats
.num_objects_omap
;
7166 if ((!ctx
->new_obs
.exists
||
7167 !ctx
->new_obs
.oi
.is_omap()) &&
7168 (ctx
->obc
->obs
.exists
&&
7169 ctx
->obc
->obs
.oi
.is_omap())) {
7170 --ctx
->delta_stats
.num_objects_omap
;
7174 if (ctx
->new_snapset
.seq
> snapc
.seq
) {
7175 snapc
.seq
= ctx
->new_snapset
.seq
;
7176 snapc
.snaps
= ctx
->new_snapset
.snaps
;
7177 filter_snapc(snapc
.snaps
);
7178 dout(10) << " using newer snapc " << snapc
<< dendl
;
7181 if ((ctx
->obs
->exists
&& !ctx
->obs
->oi
.is_whiteout()) && // head exist(ed)
7182 snapc
.snaps
.size() && // there are snaps
7183 !ctx
->cache_evict
&&
7184 snapc
.snaps
[0] > ctx
->new_snapset
.seq
) { // existing object is old
7186 hobject_t coid
= soid
;
7187 coid
.snap
= snapc
.seq
;
7190 for (l
=1; l
<snapc
.snaps
.size() && snapc
.snaps
[l
] > ctx
->new_snapset
.seq
; l
++) ;
7192 vector
<snapid_t
> snaps(l
);
7193 for (unsigned i
=0; i
<l
; i
++)
7194 snaps
[i
] = snapc
.snaps
[i
];
7197 object_info_t
static_snap_oi(coid
);
7198 object_info_t
*snap_oi
;
7200 ctx
->clone_obc
= object_contexts
.lookup_or_create(static_snap_oi
.soid
);
7201 ctx
->clone_obc
->destructor_callback
= new C_PG_ObjectContext(this, ctx
->clone_obc
.get());
7202 ctx
->clone_obc
->obs
.oi
= static_snap_oi
;
7203 ctx
->clone_obc
->obs
.exists
= true;
7204 ctx
->clone_obc
->ssc
= ctx
->obc
->ssc
;
7205 ctx
->clone_obc
->ssc
->ref
++;
7206 if (pool
.info
.require_rollback())
7207 ctx
->clone_obc
->attr_cache
= ctx
->obc
->attr_cache
;
7208 snap_oi
= &ctx
->clone_obc
->obs
.oi
;
7209 bool got
= ctx
->lock_manager
.get_write_greedy(
7214 dout(20) << " got greedy write on clone_obc " << *ctx
->clone_obc
<< dendl
;
7216 snap_oi
= &static_snap_oi
;
7218 snap_oi
->version
= ctx
->at_version
;
7219 snap_oi
->prior_version
= ctx
->obs
->oi
.version
;
7220 snap_oi
->copy_user_bits(ctx
->obs
->oi
);
7222 bool legacy
= ctx
->new_snapset
.is_legacy() ||
7223 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
7225 snap_oi
->legacy_snaps
= snaps
;
7228 _make_clone(ctx
, ctx
->op_t
.get(), ctx
->clone_obc
, soid
, coid
, snap_oi
);
7230 ctx
->delta_stats
.num_objects
++;
7231 if (snap_oi
->is_dirty()) {
7232 ctx
->delta_stats
.num_objects_dirty
++;
7233 osd
->logger
->inc(l_osd_tier_dirty
);
7235 if (snap_oi
->is_omap())
7236 ctx
->delta_stats
.num_objects_omap
++;
7237 if (snap_oi
->is_cache_pinned())
7238 ctx
->delta_stats
.num_objects_pinned
++;
7239 ctx
->delta_stats
.num_object_clones
++;
7240 ctx
->new_snapset
.clones
.push_back(coid
.snap
);
7241 ctx
->new_snapset
.clone_size
[coid
.snap
] = ctx
->obs
->oi
.size
;
7243 ctx
->new_snapset
.clone_snaps
[coid
.snap
] = snaps
;
7246 // clone_overlap should contain an entry for each clone
7247 // (an empty interval_set if there is no overlap)
7248 ctx
->new_snapset
.clone_overlap
[coid
.snap
];
7249 if (ctx
->obs
->oi
.size
)
7250 ctx
->new_snapset
.clone_overlap
[coid
.snap
].insert(0, ctx
->obs
->oi
.size
);
7253 dout(10) << " cloning v " << ctx
->obs
->oi
.version
7254 << " to " << coid
<< " v " << ctx
->at_version
7255 << " snaps=" << snaps
7256 << " snapset=" << ctx
->new_snapset
<< dendl
;
7257 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::CLONE
, coid
, ctx
->at_version
,
7258 ctx
->obs
->oi
.version
,
7259 ctx
->obs
->oi
.user_version
,
7260 osd_reqid_t(), ctx
->new_obs
.oi
.mtime
, 0));
7261 ::encode(snaps
, ctx
->log
.back().snaps
);
7263 ctx
->at_version
.version
++;
7266 // update most recent clone_overlap and usage stats
7267 if (ctx
->new_snapset
.clones
.size() > 0) {
7268 /* we need to check whether the most recent clone exists, if it's been evicted,
7269 * it's not included in the stats */
7270 hobject_t last_clone_oid
= soid
;
7271 last_clone_oid
.snap
= ctx
->new_snapset
.clone_overlap
.rbegin()->first
;
7272 if (is_present_clone(last_clone_oid
)) {
7273 interval_set
<uint64_t> &newest_overlap
= ctx
->new_snapset
.clone_overlap
.rbegin()->second
;
7274 ctx
->modified_ranges
.intersection_of(newest_overlap
);
7275 // modified_ranges is still in use by the clone
7276 add_interval_usage(ctx
->modified_ranges
, ctx
->delta_stats
);
7277 newest_overlap
.subtract(ctx
->modified_ranges
);
7281 // update snapset with latest snap context
7282 ctx
->new_snapset
.seq
= snapc
.seq
;
7283 ctx
->new_snapset
.snaps
= snapc
.snaps
;
7284 if (get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
) {
7285 // pessimistic assumption that this is a net-new legacy SnapSet
7286 ctx
->delta_stats
.num_legacy_snapsets
++;
7287 ctx
->new_snapset
.head_exists
= ctx
->new_obs
.exists
;
7288 } else if (ctx
->new_snapset
.is_legacy()) {
7289 ctx
->new_snapset
.head_exists
= ctx
->new_obs
.exists
;
7291 dout(20) << "make_writeable " << soid
7292 << " done, snapset=" << ctx
->new_snapset
<< dendl
;
7296 void PrimaryLogPG::write_update_size_and_usage(object_stat_sum_t
& delta_stats
, object_info_t
& oi
,
7297 interval_set
<uint64_t>& modified
, uint64_t offset
,
7298 uint64_t length
, bool write_full
)
7300 interval_set
<uint64_t> ch
;
7303 ch
.insert(0, oi
.size
);
7305 ch
.insert(offset
, length
);
7306 modified
.union_of(ch
);
7307 if (write_full
|| offset
+ length
> oi
.size
) {
7308 uint64_t new_size
= offset
+ length
;
7309 delta_stats
.num_bytes
-= oi
.size
;
7310 delta_stats
.num_bytes
+= new_size
;
7313 delta_stats
.num_wr
++;
7314 delta_stats
.num_wr_kb
+= SHIFT_ROUND_UP(length
, 10);
7317 void PrimaryLogPG::add_interval_usage(interval_set
<uint64_t>& s
, object_stat_sum_t
& delta_stats
)
7319 for (interval_set
<uint64_t>::const_iterator p
= s
.begin(); p
!= s
.end(); ++p
) {
7320 delta_stats
.num_bytes
+= p
.get_len();
7324 void PrimaryLogPG::complete_disconnect_watches(
7325 ObjectContextRef obc
,
7326 const list
<watch_disconnect_t
> &to_disconnect
)
7328 for (list
<watch_disconnect_t
>::const_iterator i
=
7329 to_disconnect
.begin();
7330 i
!= to_disconnect
.end();
7332 pair
<uint64_t, entity_name_t
> watcher(i
->cookie
, i
->name
);
7333 auto watchers_entry
= obc
->watchers
.find(watcher
);
7334 if (watchers_entry
!= obc
->watchers
.end()) {
7335 WatchRef watch
= watchers_entry
->second
;
7336 dout(10) << "do_osd_op_effects disconnect watcher " << watcher
<< dendl
;
7337 obc
->watchers
.erase(watcher
);
7338 watch
->remove(i
->send_disconnect
);
7340 dout(10) << "do_osd_op_effects disconnect failed to find watcher "
7341 << watcher
<< dendl
;
7346 void PrimaryLogPG::do_osd_op_effects(OpContext
*ctx
, const ConnectionRef
& conn
)
7348 entity_name_t entity
= ctx
->reqid
.name
;
7349 dout(15) << "do_osd_op_effects " << entity
<< " con " << conn
.get() << dendl
;
7351 // disconnects first
7352 complete_disconnect_watches(ctx
->obc
, ctx
->watch_disconnects
);
7356 boost::intrusive_ptr
<Session
> session((Session
*)conn
->get_priv());
7359 session
->put(); // get_priv() takes a ref, and so does the intrusive_ptr
7361 for (list
<pair
<watch_info_t
,bool> >::iterator i
= ctx
->watch_connects
.begin();
7362 i
!= ctx
->watch_connects
.end();
7364 pair
<uint64_t, entity_name_t
> watcher(i
->first
.cookie
, entity
);
7365 dout(15) << "do_osd_op_effects applying watch connect on session "
7366 << session
.get() << " watcher " << watcher
<< dendl
;
7368 if (ctx
->obc
->watchers
.count(watcher
)) {
7369 dout(15) << "do_osd_op_effects found existing watch watcher " << watcher
7371 watch
= ctx
->obc
->watchers
[watcher
];
7373 dout(15) << "do_osd_op_effects new watcher " << watcher
7375 watch
= Watch::makeWatchRef(
7376 this, osd
, ctx
->obc
, i
->first
.timeout_seconds
,
7377 i
->first
.cookie
, entity
, conn
->get_peer_addr());
7378 ctx
->obc
->watchers
.insert(
7383 watch
->connect(conn
, i
->second
);
7386 for (list
<notify_info_t
>::iterator p
= ctx
->notifies
.begin();
7387 p
!= ctx
->notifies
.end();
7389 dout(10) << "do_osd_op_effects, notify " << *p
<< dendl
;
7390 ConnectionRef
conn(ctx
->op
->get_req()->get_connection());
7392 Notify::makeNotifyRef(
7394 ctx
->reqid
.name
.num(),
7399 ctx
->obc
->obs
.oi
.user_version
,
7401 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator i
=
7402 ctx
->obc
->watchers
.begin();
7403 i
!= ctx
->obc
->watchers
.end();
7405 dout(10) << "starting notify on watch " << i
->first
<< dendl
;
7406 i
->second
->start_notify(notif
);
7411 for (list
<OpContext::NotifyAck
>::iterator p
= ctx
->notify_acks
.begin();
7412 p
!= ctx
->notify_acks
.end();
7414 if (p
->watch_cookie
)
7415 dout(10) << "notify_ack " << make_pair(p
->watch_cookie
.get(), p
->notify_id
) << dendl
;
7417 dout(10) << "notify_ack " << make_pair("NULL", p
->notify_id
) << dendl
;
7418 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator i
=
7419 ctx
->obc
->watchers
.begin();
7420 i
!= ctx
->obc
->watchers
.end();
7422 if (i
->first
.second
!= entity
) continue;
7423 if (p
->watch_cookie
&&
7424 p
->watch_cookie
.get() != i
->first
.first
) continue;
7425 dout(10) << "acking notify on watch " << i
->first
<< dendl
;
7426 i
->second
->notify_ack(p
->notify_id
, p
->reply_bl
);
7431 hobject_t
PrimaryLogPG::generate_temp_object(const hobject_t
& target
)
7434 ss
<< "temp_" << info
.pgid
<< "_" << get_role()
7435 << "_" << osd
->monc
->get_global_id() << "_" << (++temp_seq
);
7436 hobject_t hoid
= target
.make_temp_hobject(ss
.str());
7437 dout(20) << __func__
<< " " << hoid
<< dendl
;
7441 hobject_t
PrimaryLogPG::get_temp_recovery_object(
7442 const hobject_t
& target
,
7446 ss
<< "temp_recovering_" << info
.pgid
// (note this includes the shardid)
7448 << "_" << info
.history
.same_interval_since
7449 << "_" << target
.snap
;
7450 // pgid + version + interval + snapid is unique, and short
7451 hobject_t hoid
= target
.make_temp_hobject(ss
.str());
7452 dout(20) << __func__
<< " " << hoid
<< dendl
;
7456 int PrimaryLogPG::prepare_transaction(OpContext
*ctx
)
7458 assert(!ctx
->ops
->empty());
7460 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7462 // valid snap context?
7463 if (!ctx
->snapc
.is_valid()) {
7464 dout(10) << " invalid snapc " << ctx
->snapc
<< dendl
;
7468 // prepare the actual mutation
7469 int result
= do_osd_ops(ctx
, *ctx
->ops
);
7471 if (ctx
->op
->may_write() &&
7472 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
7473 // need to save the error code in the pg log, to detect dup ops,
7474 // but do nothing else
7475 ctx
->update_log_only
= true;
7480 // read-op? write-op noop? done?
7481 if (ctx
->op_t
->empty() && !ctx
->modify
) {
7482 unstable_stats
.add(ctx
->delta_stats
);
7483 if (ctx
->op
->may_write() &&
7484 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
7485 ctx
->update_log_only
= true;
7491 if ((ctx
->delta_stats
.num_bytes
> 0 ||
7492 ctx
->delta_stats
.num_objects
> 0) && // FIXME: keys?
7493 (pool
.info
.has_flag(pg_pool_t::FLAG_FULL
) ||
7494 get_osdmap()->test_flag(CEPH_OSDMAP_FULL
))) {
7495 const MOSDOp
*m
= static_cast<const MOSDOp
*>(ctx
->op
->get_req());
7496 if (ctx
->reqid
.name
.is_mds() || // FIXME: ignore MDS for now
7497 m
->has_flag(CEPH_OSD_FLAG_FULL_FORCE
)) {
7498 dout(20) << __func__
<< " full, but proceeding due to FULL_FORCE or MDS"
7500 } else if (m
->has_flag(CEPH_OSD_FLAG_FULL_TRY
)) {
7501 // they tried, they failed.
7502 dout(20) << __func__
<< " full, replying to FULL_TRY op" << dendl
;
7503 return pool
.info
.has_flag(pg_pool_t::FLAG_FULL
) ? -EDQUOT
: -ENOSPC
;
7506 dout(20) << __func__
<< " full, dropping request (bad client)" << dendl
;
7511 // clone, if necessary
7512 if (soid
.snap
== CEPH_NOSNAP
)
7513 make_writeable(ctx
);
7516 ctx
->new_obs
.exists
? pg_log_entry_t::MODIFY
:
7517 pg_log_entry_t::DELETE
);
7522 void PrimaryLogPG::finish_ctx(OpContext
*ctx
, int log_op_type
, bool maintain_ssc
)
7524 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7525 dout(20) << __func__
<< " " << soid
<< " " << ctx
7526 << " op " << pg_log_entry_t::get_op_name(log_op_type
)
7528 utime_t now
= ceph_clock_now();
7533 if (soid
.snap
== CEPH_NOSNAP
&& maintain_ssc
) {
7534 ::encode(ctx
->new_snapset
, bss
);
7535 assert(ctx
->new_obs
.exists
== ctx
->new_snapset
.head_exists
||
7536 !ctx
->new_snapset
.is_legacy());
7538 if (ctx
->new_obs
.exists
) {
7539 if (!ctx
->obs
->exists
) {
7540 if (ctx
->snapset_obc
&& ctx
->snapset_obc
->obs
.exists
) {
7541 hobject_t snapoid
= soid
.get_snapdir();
7542 dout(10) << " removing unneeded snapdir " << snapoid
<< dendl
;
7543 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::DELETE
, snapoid
,
7545 ctx
->snapset_obc
->obs
.oi
.version
,
7546 0, osd_reqid_t(), ctx
->mtime
, 0));
7547 ctx
->op_t
->remove(snapoid
);
7549 ctx
->at_version
.version
++;
7551 ctx
->snapset_obc
->obs
.exists
= false;
7554 } else if (!ctx
->new_snapset
.clones
.empty() &&
7555 !ctx
->cache_evict
&&
7556 !ctx
->new_snapset
.head_exists
&&
7557 (!ctx
->snapset_obc
|| !ctx
->snapset_obc
->obs
.exists
)) {
7558 // save snapset on _snap
7559 hobject_t
snapoid(soid
.oid
, soid
.get_key(), CEPH_SNAPDIR
, soid
.get_hash(),
7560 info
.pgid
.pool(), soid
.get_namespace());
7561 dout(10) << " final snapset " << ctx
->new_snapset
7562 << " in " << snapoid
<< dendl
;
7563 assert(get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
);
7564 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::MODIFY
, snapoid
,
7567 0, osd_reqid_t(), ctx
->mtime
, 0));
7569 if (!ctx
->snapset_obc
)
7570 ctx
->snapset_obc
= get_object_context(snapoid
, true);
7572 if (ctx
->lock_type
== ObjectContext::RWState::RWWRITE
) {
7573 got
= ctx
->lock_manager
.get_write_greedy(
7578 assert(ctx
->lock_type
== ObjectContext::RWState::RWEXCL
);
7579 got
= ctx
->lock_manager
.get_lock_type(
7580 ObjectContext::RWState::RWEXCL
,
7586 dout(20) << " got greedy write on snapset_obc " << *ctx
->snapset_obc
<< dendl
;
7587 ctx
->snapset_obc
->obs
.exists
= true;
7588 ctx
->snapset_obc
->obs
.oi
.version
= ctx
->at_version
;
7589 ctx
->snapset_obc
->obs
.oi
.last_reqid
= ctx
->reqid
;
7590 ctx
->snapset_obc
->obs
.oi
.mtime
= ctx
->mtime
;
7591 ctx
->snapset_obc
->obs
.oi
.local_mtime
= now
;
7593 map
<string
, bufferlist
> attrs
;
7594 bufferlist
bv(sizeof(ctx
->new_obs
.oi
));
7595 ::encode(ctx
->snapset_obc
->obs
.oi
, bv
,
7596 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7597 ctx
->op_t
->create(snapoid
);
7598 attrs
[OI_ATTR
].claim(bv
);
7599 attrs
[SS_ATTR
].claim(bss
);
7600 setattrs_maybe_cache(ctx
->snapset_obc
, ctx
, ctx
->op_t
.get(), attrs
);
7601 ctx
->at_version
.version
++;
7605 // finish and log the op.
7606 if (ctx
->user_modify
) {
7607 // update the user_version for any modify ops, except for the watch op
7608 ctx
->user_at_version
= MAX(info
.last_user_version
, ctx
->new_obs
.oi
.user_version
) + 1;
7609 /* In order for new clients and old clients to interoperate properly
7610 * when exchanging versions, we need to lower bound the user_version
7611 * (which our new clients pay proper attention to)
7612 * by the at_version (which is all the old clients can ever see). */
7613 if (ctx
->at_version
.version
> ctx
->user_at_version
)
7614 ctx
->user_at_version
= ctx
->at_version
.version
;
7615 ctx
->new_obs
.oi
.user_version
= ctx
->user_at_version
;
7617 ctx
->bytes_written
= ctx
->op_t
->get_bytes_written();
7619 if (ctx
->new_obs
.exists
) {
7620 // on the head object
7621 ctx
->new_obs
.oi
.version
= ctx
->at_version
;
7622 ctx
->new_obs
.oi
.prior_version
= ctx
->obs
->oi
.version
;
7623 ctx
->new_obs
.oi
.last_reqid
= ctx
->reqid
;
7624 if (ctx
->mtime
!= utime_t()) {
7625 ctx
->new_obs
.oi
.mtime
= ctx
->mtime
;
7626 dout(10) << " set mtime to " << ctx
->new_obs
.oi
.mtime
<< dendl
;
7627 ctx
->new_obs
.oi
.local_mtime
= now
;
7629 dout(10) << " mtime unchanged at " << ctx
->new_obs
.oi
.mtime
<< dendl
;
7632 map
<string
, bufferlist
> attrs
;
7633 bufferlist
bv(sizeof(ctx
->new_obs
.oi
));
7634 ::encode(ctx
->new_obs
.oi
, bv
,
7635 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7636 attrs
[OI_ATTR
].claim(bv
);
7638 if (soid
.snap
== CEPH_NOSNAP
) {
7639 dout(10) << " final snapset " << ctx
->new_snapset
7640 << " in " << soid
<< dendl
;
7641 attrs
[SS_ATTR
].claim(bss
);
7643 dout(10) << " no snapset (this is a clone)" << dendl
;
7645 ctx
->op_t
->setattrs(soid
, attrs
);
7647 ctx
->new_obs
.oi
= object_info_t(ctx
->obc
->obs
.oi
.soid
);
7650 bool legacy_snapset
= ctx
->new_snapset
.is_legacy() ||
7651 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
7654 ctx
->log
.push_back(pg_log_entry_t(log_op_type
, soid
, ctx
->at_version
,
7655 ctx
->obs
->oi
.version
,
7656 ctx
->user_at_version
, ctx
->reqid
,
7658 if (soid
.snap
< CEPH_NOSNAP
) {
7659 switch (log_op_type
) {
7660 case pg_log_entry_t::MODIFY
:
7661 case pg_log_entry_t::PROMOTE
:
7662 case pg_log_entry_t::CLEAN
:
7663 if (legacy_snapset
) {
7664 dout(20) << __func__
<< " encoding legacy_snaps "
7665 << ctx
->new_obs
.oi
.legacy_snaps
7667 ::encode(ctx
->new_obs
.oi
.legacy_snaps
, ctx
->log
.back().snaps
);
7669 dout(20) << __func__
<< " encoding snaps from " << ctx
->new_snapset
7671 ::encode(ctx
->new_snapset
.clone_snaps
[soid
.snap
], ctx
->log
.back().snaps
);
7679 if (!ctx
->extra_reqids
.empty()) {
7680 dout(20) << __func__
<< " extra_reqids " << ctx
->extra_reqids
<< dendl
;
7681 ctx
->log
.back().extra_reqids
.swap(ctx
->extra_reqids
);
7684 // apply new object state.
7685 ctx
->obc
->obs
= ctx
->new_obs
;
7687 if (soid
.is_head() && !ctx
->obc
->obs
.exists
&&
7688 (!maintain_ssc
|| ctx
->cache_evict
)) {
7689 ctx
->obc
->ssc
->exists
= false;
7690 ctx
->obc
->ssc
->snapset
= SnapSet();
7692 ctx
->obc
->ssc
->exists
= true;
7693 ctx
->obc
->ssc
->snapset
= ctx
->new_snapset
;
7697 void PrimaryLogPG::apply_stats(
7698 const hobject_t
&soid
,
7699 const object_stat_sum_t
&delta_stats
) {
7701 info
.stats
.stats
.add(delta_stats
);
7703 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
7704 i
!= backfill_targets
.end();
7707 pg_info_t
& pinfo
= peer_info
[bt
];
7708 if (soid
<= pinfo
.last_backfill
)
7709 pinfo
.stats
.stats
.add(delta_stats
);
7710 else if (soid
<= last_backfill_started
)
7711 pending_backfill_updates
[soid
].stats
.add(delta_stats
);
7714 if (is_primary() && scrubber
.active
) {
7715 if (soid
< scrubber
.start
) {
7716 dout(20) << __func__
<< " " << soid
<< " < [" << scrubber
.start
7717 << "," << scrubber
.end
<< ")" << dendl
;
7718 scrub_cstat
.add(delta_stats
);
7720 dout(20) << __func__
<< " " << soid
<< " >= [" << scrubber
.start
7721 << "," << scrubber
.end
<< ")" << dendl
;
7726 void PrimaryLogPG::complete_read_ctx(int result
, OpContext
*ctx
)
7728 const MOSDOp
*m
= static_cast<const MOSDOp
*>(ctx
->op
->get_req());
7729 assert(ctx
->async_reads_complete());
7731 for (vector
<OSDOp
>::iterator p
= ctx
->ops
->begin();
7732 p
!= ctx
->ops
->end() && result
>= 0; ++p
) {
7733 if (p
->rval
< 0 && !(p
->op
.flags
& CEPH_OSD_OP_FLAG_FAILOK
)) {
7737 ctx
->bytes_read
+= p
->outdata
.length();
7739 ctx
->reply
->claim_op_out_data(*ctx
->ops
);
7740 ctx
->reply
->get_header().data_off
= (ctx
->data_off
? *ctx
->data_off
: 0);
7742 MOSDOpReply
*reply
= ctx
->reply
;
7743 ctx
->reply
= nullptr;
7746 if (!ctx
->ignore_log_op_stats
) {
7748 publish_stats_to_osd();
7751 // on read, return the current object version
7753 reply
->set_reply_versions(eversion_t(), ctx
->obs
->oi
.user_version
);
7755 reply
->set_reply_versions(eversion_t(), ctx
->user_at_version
);
7757 } else if (result
== -ENOENT
) {
7758 // on ENOENT, set a floor for what the next user version will be.
7759 reply
->set_enoent_reply_versions(info
.last_update
, info
.last_user_version
);
7762 reply
->set_result(result
);
7763 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
7764 osd
->send_message_osd_client(reply
, m
->get_connection());
7768 // ========================================================================
7771 struct C_Copyfrom
: public Context
{
7774 epoch_t last_peering_reset
;
7776 PrimaryLogPG::CopyOpRef cop
;
7777 C_Copyfrom(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
7778 const PrimaryLogPG::CopyOpRef
& c
)
7779 : pg(p
), oid(o
), last_peering_reset(lpr
),
7782 void finish(int r
) override
{
7783 if (r
== -ECANCELED
)
7786 if (last_peering_reset
== pg
->get_last_peering_reset()) {
7787 pg
->process_copy_chunk(oid
, tid
, r
);
7793 struct C_CopyFrom_AsyncReadCb
: public Context
{
7795 object_copy_data_t reply_obj
;
7798 C_CopyFrom_AsyncReadCb(OSDOp
*osd_op
, uint64_t features
) :
7799 osd_op(osd_op
), features(features
), len(0) {}
7800 void finish(int r
) override
{
7807 assert(len
<= reply_obj
.data
.length());
7809 bl
.substr_of(reply_obj
.data
, 0, len
);
7810 reply_obj
.data
.swap(bl
);
7811 ::encode(reply_obj
, osd_op
->outdata
, features
);
7815 int PrimaryLogPG::do_copy_get(OpContext
*ctx
, bufferlist::iterator
& bp
,
7816 OSDOp
& osd_op
, ObjectContextRef
&obc
)
7818 object_info_t
& oi
= obc
->obs
.oi
;
7819 hobject_t
& soid
= oi
.soid
;
7821 object_copy_cursor_t cursor
;
7824 ::decode(cursor
, bp
);
7825 ::decode(out_max
, bp
);
7827 catch (buffer::error
& e
) {
7832 const MOSDOp
*op
= reinterpret_cast<const MOSDOp
*>(ctx
->op
->get_req());
7833 uint64_t features
= op
->get_features();
7835 bool async_read_started
= false;
7836 object_copy_data_t _reply_obj
;
7837 C_CopyFrom_AsyncReadCb
*cb
= NULL
;
7838 if (pool
.info
.require_rollback()) {
7839 cb
= new C_CopyFrom_AsyncReadCb(&osd_op
, features
);
7841 object_copy_data_t
&reply_obj
= cb
? cb
->reply_obj
: _reply_obj
;
7843 reply_obj
.size
= oi
.size
;
7844 reply_obj
.mtime
= oi
.mtime
;
7846 if (soid
.snap
< CEPH_NOSNAP
) {
7847 if (obc
->ssc
->snapset
.is_legacy()) {
7848 reply_obj
.snaps
= oi
.legacy_snaps
;
7850 auto p
= obc
->ssc
->snapset
.clone_snaps
.find(soid
.snap
);
7851 assert(p
!= obc
->ssc
->snapset
.clone_snaps
.end()); // warn?
7852 reply_obj
.snaps
= p
->second
;
7855 reply_obj
.snap_seq
= obc
->ssc
->snapset
.seq
;
7857 if (oi
.is_data_digest()) {
7858 reply_obj
.flags
|= object_copy_data_t::FLAG_DATA_DIGEST
;
7859 reply_obj
.data_digest
= oi
.data_digest
;
7861 if (oi
.is_omap_digest()) {
7862 reply_obj
.flags
|= object_copy_data_t::FLAG_OMAP_DIGEST
;
7863 reply_obj
.omap_digest
= oi
.omap_digest
;
7865 reply_obj
.truncate_seq
= oi
.truncate_seq
;
7866 reply_obj
.truncate_size
= oi
.truncate_size
;
7869 map
<string
,bufferlist
>& out_attrs
= reply_obj
.attrs
;
7870 if (!cursor
.attr_complete
) {
7871 result
= getattrs_maybe_cache(
7880 cursor
.attr_complete
= true;
7881 dout(20) << " got attrs" << dendl
;
7884 int64_t left
= out_max
- osd_op
.outdata
.length();
7887 bufferlist
& bl
= reply_obj
.data
;
7888 if (left
> 0 && !cursor
.data_complete
) {
7889 if (cursor
.data_offset
< oi
.size
) {
7890 uint64_t max_read
= MIN(oi
.size
- cursor
.data_offset
, (uint64_t)left
);
7892 async_read_started
= true;
7893 ctx
->pending_async_reads
.push_back(
7895 boost::make_tuple(cursor
.data_offset
, max_read
, osd_op
.op
.flags
),
7896 make_pair(&bl
, cb
)));
7899 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
7900 new ReadFinisher(osd_op
));
7901 result
= -EINPROGRESS
;
7903 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
7905 result
= pgbackend
->objects_read_sync(
7906 oi
.soid
, cursor
.data_offset
, max_read
, osd_op
.op
.flags
, &bl
);
7911 cursor
.data_offset
+= max_read
;
7913 if (cursor
.data_offset
== oi
.size
) {
7914 cursor
.data_complete
= true;
7915 dout(20) << " got data" << dendl
;
7917 assert(cursor
.data_offset
<= oi
.size
);
7921 uint32_t omap_keys
= 0;
7922 if (!pool
.info
.supports_omap() || !oi
.is_omap()) {
7923 cursor
.omap_complete
= true;
7925 if (left
> 0 && !cursor
.omap_complete
) {
7926 assert(cursor
.data_complete
);
7927 if (cursor
.omap_offset
.empty()) {
7928 osd
->store
->omap_get_header(ch
, ghobject_t(oi
.soid
),
7929 &reply_obj
.omap_header
);
7931 bufferlist omap_data
;
7932 ObjectMap::ObjectMapIterator iter
=
7933 osd
->store
->get_omap_iterator(coll
, ghobject_t(oi
.soid
));
7935 iter
->upper_bound(cursor
.omap_offset
);
7936 for (; iter
->valid(); iter
->next(false)) {
7938 ::encode(iter
->key(), omap_data
);
7939 ::encode(iter
->value(), omap_data
);
7940 left
-= iter
->key().length() + 4 + iter
->value().length() + 4;
7945 ::encode(omap_keys
, reply_obj
.omap_data
);
7946 reply_obj
.omap_data
.claim_append(omap_data
);
7948 if (iter
->valid()) {
7949 cursor
.omap_offset
= iter
->key();
7951 cursor
.omap_complete
= true;
7952 dout(20) << " got omap" << dendl
;
7957 if (cursor
.is_complete()) {
7958 // include reqids only in the final step. this is a bit fragile
7960 pg_log
.get_log().get_object_reqids(ctx
->obc
->obs
.oi
.soid
, 10, &reply_obj
.reqids
);
7961 dout(20) << " got reqids" << dendl
;
7964 dout(20) << " cursor.is_complete=" << cursor
.is_complete()
7965 << " " << out_attrs
.size() << " attrs"
7966 << " " << bl
.length() << " bytes"
7967 << " " << reply_obj
.omap_header
.length() << " omap header bytes"
7968 << " " << reply_obj
.omap_data
.length() << " omap data bytes in "
7969 << omap_keys
<< " keys"
7970 << " " << reply_obj
.reqids
.size() << " reqids"
7972 reply_obj
.cursor
= cursor
;
7973 if (!async_read_started
) {
7974 ::encode(reply_obj
, osd_op
.outdata
, features
);
7976 if (cb
&& !async_read_started
) {
7986 void PrimaryLogPG::fill_in_copy_get_noent(OpRequestRef
& op
, hobject_t oid
,
7989 // NOTE: we take non-const ref here for claim_op_out_data below; we must
7990 // be careful not to modify anything else that will upset a racing
7992 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
7993 uint64_t features
= m
->get_features();
7994 object_copy_data_t reply_obj
;
7996 pg_log
.get_log().get_object_reqids(oid
, 10, &reply_obj
.reqids
);
7997 dout(20) << __func__
<< " got reqids " << reply_obj
.reqids
<< dendl
;
7998 ::encode(reply_obj
, osd_op
.outdata
, features
);
7999 osd_op
.rval
= -ENOENT
;
8000 MOSDOpReply
*reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, false);
8001 reply
->claim_op_out_data(m
->ops
);
8002 reply
->set_result(-ENOENT
);
8003 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
8004 osd
->send_message_osd_client(reply
, m
->get_connection());
8007 void PrimaryLogPG::start_copy(CopyCallback
*cb
, ObjectContextRef obc
,
8008 hobject_t src
, object_locator_t oloc
,
8009 version_t version
, unsigned flags
,
8010 bool mirror_snapset
,
8011 unsigned src_obj_fadvise_flags
,
8012 unsigned dest_obj_fadvise_flags
)
8014 const hobject_t
& dest
= obc
->obs
.oi
.soid
;
8015 dout(10) << __func__
<< " " << dest
8016 << " from " << src
<< " " << oloc
<< " v" << version
8017 << " flags " << flags
8018 << (mirror_snapset
? " mirror_snapset" : "")
8021 assert(!mirror_snapset
|| (src
.snap
== CEPH_NOSNAP
||
8022 src
.snap
== CEPH_SNAPDIR
));
8024 // cancel a previous in-progress copy?
8025 if (copy_ops
.count(dest
)) {
8026 // FIXME: if the src etc match, we could avoid restarting from the
8028 CopyOpRef cop
= copy_ops
[dest
];
8029 cancel_copy(cop
, false);
8032 CopyOpRef
cop(std::make_shared
<CopyOp
>(cb
, obc
, src
, oloc
, version
, flags
,
8033 mirror_snapset
, src_obj_fadvise_flags
,
8034 dest_obj_fadvise_flags
));
8035 copy_ops
[dest
] = cop
;
8038 _copy_some(obc
, cop
);
8041 void PrimaryLogPG::_copy_some(ObjectContextRef obc
, CopyOpRef cop
)
8043 dout(10) << __func__
<< " " << obc
<< " " << cop
<< dendl
;
8046 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_FLUSH
)
8047 flags
|= CEPH_OSD_FLAG_FLUSH
;
8048 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
)
8049 flags
|= CEPH_OSD_FLAG_IGNORE_CACHE
;
8050 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
)
8051 flags
|= CEPH_OSD_FLAG_IGNORE_OVERLAY
;
8052 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
)
8053 flags
|= CEPH_OSD_FLAG_MAP_SNAP_CLONE
;
8054 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_RWORDERED
)
8055 flags
|= CEPH_OSD_FLAG_RWORDERED
;
8057 C_GatherBuilder
gather(cct
);
8059 if (cop
->cursor
.is_initial() && cop
->mirror_snapset
) {
8061 assert(cop
->src
.snap
== CEPH_NOSNAP
);
8063 op
.list_snaps(&cop
->results
.snapset
, NULL
);
8064 ceph_tid_t tid
= osd
->objecter
->read(cop
->src
.oid
, cop
->oloc
, op
,
8066 flags
, gather
.new_sub(), NULL
);
8067 cop
->objecter_tid2
= tid
;
8071 if (cop
->results
.user_version
) {
8072 op
.assert_version(cop
->results
.user_version
);
8074 // we should learn the version after the first chunk, if we didn't know
8076 assert(cop
->cursor
.is_initial());
8078 op
.copy_get(&cop
->cursor
, get_copy_chunk_size(),
8079 &cop
->results
.object_size
, &cop
->results
.mtime
,
8080 &cop
->attrs
, &cop
->data
, &cop
->omap_header
, &cop
->omap_data
,
8081 &cop
->results
.snaps
, &cop
->results
.snap_seq
,
8082 &cop
->results
.flags
,
8083 &cop
->results
.source_data_digest
,
8084 &cop
->results
.source_omap_digest
,
8085 &cop
->results
.reqids
,
8086 &cop
->results
.truncate_seq
,
8087 &cop
->results
.truncate_size
,
8089 op
.set_last_op_flags(cop
->src_obj_fadvise_flags
);
8091 C_Copyfrom
*fin
= new C_Copyfrom(this, obc
->obs
.oi
.soid
,
8092 get_last_peering_reset(), cop
);
8093 gather
.set_finisher(new C_OnFinisher(fin
,
8094 &osd
->objecter_finisher
));
8096 ceph_tid_t tid
= osd
->objecter
->read(cop
->src
.oid
, cop
->oloc
, op
,
8097 cop
->src
.snap
, NULL
,
8100 // discover the object version if we don't know it yet
8101 cop
->results
.user_version
? NULL
: &cop
->results
.user_version
);
8103 cop
->objecter_tid
= tid
;
8107 void PrimaryLogPG::process_copy_chunk(hobject_t oid
, ceph_tid_t tid
, int r
)
8109 dout(10) << __func__
<< " " << oid
<< " tid " << tid
8110 << " " << cpp_strerror(r
) << dendl
;
8111 map
<hobject_t
,CopyOpRef
>::iterator p
= copy_ops
.find(oid
);
8112 if (p
== copy_ops
.end()) {
8113 dout(10) << __func__
<< " no copy_op found" << dendl
;
8116 CopyOpRef cop
= p
->second
;
8117 if (tid
!= cop
->objecter_tid
) {
8118 dout(10) << __func__
<< " tid " << tid
<< " != cop " << cop
8119 << " tid " << cop
->objecter_tid
<< dendl
;
8123 if (cop
->omap_data
.length() || cop
->omap_header
.length())
8124 cop
->results
.has_omap
= true;
8126 if (r
>= 0 && !pool
.info
.supports_omap() &&
8127 (cop
->omap_data
.length() || cop
->omap_header
.length())) {
8130 cop
->objecter_tid
= 0;
8131 cop
->objecter_tid2
= 0; // assume this ordered before us (if it happened)
8132 ObjectContextRef
& cobc
= cop
->obc
;
8137 assert(cop
->rval
>= 0);
8139 if (oid
.snap
< CEPH_NOSNAP
&& !cop
->results
.snaps
.empty()) {
8140 // verify snap hasn't been deleted
8141 vector
<snapid_t
>::iterator p
= cop
->results
.snaps
.begin();
8142 while (p
!= cop
->results
.snaps
.end()) {
8143 if (pool
.info
.is_removed_snap(*p
)) {
8144 dout(10) << __func__
<< " clone snap " << *p
<< " has been deleted"
8146 for (vector
<snapid_t
>::iterator q
= p
+ 1;
8147 q
!= cop
->results
.snaps
.end();
8150 cop
->results
.snaps
.resize(cop
->results
.snaps
.size() - 1);
8155 if (cop
->results
.snaps
.empty()) {
8156 dout(10) << __func__
<< " no more snaps for " << oid
<< dendl
;
8162 assert(cop
->rval
>= 0);
8164 if (!cop
->temp_cursor
.data_complete
) {
8165 cop
->results
.data_digest
= cop
->data
.crc32c(cop
->results
.data_digest
);
8167 if (pool
.info
.supports_omap() && !cop
->temp_cursor
.omap_complete
) {
8168 if (cop
->omap_header
.length()) {
8169 cop
->results
.omap_digest
=
8170 cop
->omap_header
.crc32c(cop
->results
.omap_digest
);
8172 if (cop
->omap_data
.length()) {
8174 keys
.substr_of(cop
->omap_data
, 4, cop
->omap_data
.length() - 4);
8175 cop
->results
.omap_digest
= keys
.crc32c(cop
->results
.omap_digest
);
8179 if (!cop
->temp_cursor
.attr_complete
) {
8180 for (map
<string
,bufferlist
>::iterator p
= cop
->attrs
.begin();
8181 p
!= cop
->attrs
.end();
8183 cop
->results
.attrs
[string("_") + p
->first
] = p
->second
;
8188 if (!cop
->cursor
.is_complete()) {
8189 // write out what we have so far
8190 if (cop
->temp_cursor
.is_initial()) {
8191 assert(!cop
->results
.started_temp_obj
);
8192 cop
->results
.started_temp_obj
= true;
8193 cop
->results
.temp_oid
= generate_temp_object(oid
);
8194 dout(20) << __func__
<< " using temp " << cop
->results
.temp_oid
<< dendl
;
8196 ObjectContextRef tempobc
= get_object_context(cop
->results
.temp_oid
, true);
8197 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8198 if (cop
->temp_cursor
.is_initial()) {
8199 ctx
->new_temp_oid
= cop
->results
.temp_oid
;
8201 _write_copy_chunk(cop
, ctx
->op_t
.get());
8202 simple_opc_submit(std::move(ctx
));
8203 dout(10) << __func__
<< " fetching more" << dendl
;
8204 _copy_some(cobc
, cop
);
8209 if (cop
->results
.is_data_digest() || cop
->results
.is_omap_digest()) {
8210 dout(20) << __func__
<< std::hex
8211 << " got digest: rx data 0x" << cop
->results
.data_digest
8212 << " omap 0x" << cop
->results
.omap_digest
8213 << ", source: data 0x" << cop
->results
.source_data_digest
8214 << " omap 0x" << cop
->results
.source_omap_digest
8216 << " flags " << cop
->results
.flags
8219 if (cop
->results
.is_data_digest() &&
8220 cop
->results
.data_digest
!= cop
->results
.source_data_digest
) {
8221 derr
<< __func__
<< std::hex
<< " data digest 0x" << cop
->results
.data_digest
8222 << " != source 0x" << cop
->results
.source_data_digest
<< std::dec
8224 osd
->clog
->error() << info
.pgid
<< " copy from " << cop
->src
8225 << " to " << cop
->obc
->obs
.oi
.soid
<< std::hex
8226 << " data digest 0x" << cop
->results
.data_digest
8227 << " != source 0x" << cop
->results
.source_data_digest
8232 if (cop
->results
.is_omap_digest() &&
8233 cop
->results
.omap_digest
!= cop
->results
.source_omap_digest
) {
8234 derr
<< __func__
<< std::hex
8235 << " omap digest 0x" << cop
->results
.omap_digest
8236 << " != source 0x" << cop
->results
.source_omap_digest
8237 << std::dec
<< dendl
;
8238 osd
->clog
->error() << info
.pgid
<< " copy from " << cop
->src
8239 << " to " << cop
->obc
->obs
.oi
.soid
<< std::hex
8240 << " omap digest 0x" << cop
->results
.omap_digest
8241 << " != source 0x" << cop
->results
.source_omap_digest
8246 if (cct
->_conf
->osd_debug_inject_copyfrom_error
) {
8247 derr
<< __func__
<< " injecting copyfrom failure" << dendl
;
8252 cop
->results
.fill_in_final_tx
= std::function
<void(PGTransaction
*)>(
8253 [this, &cop
/* avoid ref cycle */](PGTransaction
*t
) {
8254 ObjectState
& obs
= cop
->obc
->obs
;
8255 if (cop
->temp_cursor
.is_initial()) {
8256 dout(20) << "fill_in_final_tx: writing "
8257 << "directly to final object" << dendl
;
8258 // write directly to final object
8259 cop
->results
.temp_oid
= obs
.oi
.soid
;
8260 _write_copy_chunk(cop
, t
);
8262 // finish writing to temp object, then move into place
8263 dout(20) << "fill_in_final_tx: writing to temp object" << dendl
;
8264 _write_copy_chunk(cop
, t
);
8265 t
->rename(obs
.oi
.soid
, cop
->results
.temp_oid
);
8267 t
->setattrs(obs
.oi
.soid
, cop
->results
.attrs
);
8270 dout(20) << __func__
<< " success; committing" << dendl
;
8273 dout(20) << __func__
<< " complete r = " << cpp_strerror(r
) << dendl
;
8274 CopyCallbackResults
results(r
, &cop
->results
);
8275 cop
->cb
->complete(results
);
8277 copy_ops
.erase(cobc
->obs
.oi
.soid
);
8280 if (r
< 0 && cop
->results
.started_temp_obj
) {
8281 dout(10) << __func__
<< " deleting partial temp object "
8282 << cop
->results
.temp_oid
<< dendl
;
8283 ObjectContextRef tempobc
= get_object_context(cop
->results
.temp_oid
, true);
8284 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8285 ctx
->op_t
->remove(cop
->results
.temp_oid
);
8286 ctx
->discard_temp_oid
= cop
->results
.temp_oid
;
8287 simple_opc_submit(std::move(ctx
));
8290 // cancel and requeue proxy ops on this object
8292 for (map
<ceph_tid_t
, ProxyReadOpRef
>::iterator it
= proxyread_ops
.begin();
8293 it
!= proxyread_ops
.end();) {
8294 if (it
->second
->soid
== cobc
->obs
.oi
.soid
) {
8295 cancel_proxy_read((it
++)->second
);
8300 for (map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator it
= proxywrite_ops
.begin();
8301 it
!= proxywrite_ops
.end();) {
8302 if (it
->second
->soid
== cobc
->obs
.oi
.soid
) {
8303 cancel_proxy_write((it
++)->second
);
8308 kick_proxy_ops_blocked(cobc
->obs
.oi
.soid
);
8311 kick_object_context_blocked(cobc
);
8314 void PrimaryLogPG::_write_copy_chunk(CopyOpRef cop
, PGTransaction
*t
)
8316 dout(20) << __func__
<< " " << cop
8317 << " " << cop
->attrs
.size() << " attrs"
8318 << " " << cop
->data
.length() << " bytes"
8319 << " " << cop
->omap_header
.length() << " omap header bytes"
8320 << " " << cop
->omap_data
.length() << " omap data bytes"
8322 if (!cop
->temp_cursor
.attr_complete
) {
8323 t
->create(cop
->results
.temp_oid
);
8325 if (!cop
->temp_cursor
.data_complete
) {
8326 assert(cop
->data
.length() + cop
->temp_cursor
.data_offset
==
8327 cop
->cursor
.data_offset
);
8328 if (pool
.info
.requires_aligned_append() &&
8329 !cop
->cursor
.data_complete
) {
8331 * Trim off the unaligned bit at the end, we'll adjust cursor.data_offset
8332 * to pick it up on the next pass.
8334 assert(cop
->temp_cursor
.data_offset
%
8335 pool
.info
.required_alignment() == 0);
8336 if (cop
->data
.length() % pool
.info
.required_alignment() != 0) {
8338 cop
->data
.length() % pool
.info
.required_alignment();
8340 bl
.substr_of(cop
->data
, 0, cop
->data
.length() - to_trim
);
8342 cop
->cursor
.data_offset
-= to_trim
;
8343 assert(cop
->data
.length() + cop
->temp_cursor
.data_offset
==
8344 cop
->cursor
.data_offset
);
8347 if (cop
->data
.length()) {
8349 cop
->results
.temp_oid
,
8350 cop
->temp_cursor
.data_offset
,
8353 cop
->dest_obj_fadvise_flags
);
8357 if (pool
.info
.supports_omap()) {
8358 if (!cop
->temp_cursor
.omap_complete
) {
8359 if (cop
->omap_header
.length()) {
8361 cop
->results
.temp_oid
,
8363 cop
->omap_header
.clear();
8365 if (cop
->omap_data
.length()) {
8366 map
<string
,bufferlist
> omap
;
8367 bufferlist::iterator p
= cop
->omap_data
.begin();
8369 t
->omap_setkeys(cop
->results
.temp_oid
, omap
);
8370 cop
->omap_data
.clear();
8374 assert(cop
->omap_header
.length() == 0);
8375 assert(cop
->omap_data
.length() == 0);
8377 cop
->temp_cursor
= cop
->cursor
;
8380 void PrimaryLogPG::finish_copyfrom(CopyFromCallback
*cb
)
8382 OpContext
*ctx
= cb
->ctx
;
8383 dout(20) << "finish_copyfrom on " << ctx
->obs
->oi
.soid
<< dendl
;
8385 ObjectState
& obs
= ctx
->new_obs
;
8387 dout(20) << __func__
<< ": exists, removing" << dendl
;
8388 ctx
->op_t
->remove(obs
.oi
.soid
);
8390 ctx
->delta_stats
.num_objects
++;
8393 if (cb
->is_temp_obj_used()) {
8394 ctx
->discard_temp_oid
= cb
->results
->temp_oid
;
8396 cb
->results
->fill_in_final_tx(ctx
->op_t
.get());
8398 // CopyFromCallback fills this in for us
8399 obs
.oi
.user_version
= ctx
->user_at_version
;
8401 obs
.oi
.set_data_digest(cb
->results
->data_digest
);
8402 obs
.oi
.set_omap_digest(cb
->results
->omap_digest
);
8404 obs
.oi
.truncate_seq
= cb
->results
->truncate_seq
;
8405 obs
.oi
.truncate_size
= cb
->results
->truncate_size
;
8407 ctx
->extra_reqids
= cb
->results
->reqids
;
8409 // cache: clear whiteout?
8410 if (obs
.oi
.is_whiteout()) {
8411 dout(10) << __func__
<< " clearing whiteout on " << obs
.oi
.soid
<< dendl
;
8412 obs
.oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
8413 --ctx
->delta_stats
.num_whiteouts
;
8416 if (cb
->results
->has_omap
) {
8417 dout(10) << __func__
<< " setting omap flag on " << obs
.oi
.soid
<< dendl
;
8418 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
8420 dout(10) << __func__
<< " clearing omap flag on " << obs
.oi
.soid
<< dendl
;
8421 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
8424 interval_set
<uint64_t> ch
;
8425 if (obs
.oi
.size
> 0)
8426 ch
.insert(0, obs
.oi
.size
);
8427 ctx
->modified_ranges
.union_of(ch
);
8429 if (cb
->get_data_size() != obs
.oi
.size
) {
8430 ctx
->delta_stats
.num_bytes
-= obs
.oi
.size
;
8431 obs
.oi
.size
= cb
->get_data_size();
8432 ctx
->delta_stats
.num_bytes
+= obs
.oi
.size
;
8434 ctx
->delta_stats
.num_wr
++;
8435 ctx
->delta_stats
.num_wr_kb
+= SHIFT_ROUND_UP(obs
.oi
.size
, 10);
8437 osd
->logger
->inc(l_osd_copyfrom
);
8440 void PrimaryLogPG::finish_promote(int r
, CopyResults
*results
,
8441 ObjectContextRef obc
)
8443 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
8444 dout(10) << __func__
<< " " << soid
<< " r=" << r
8445 << " uv" << results
->user_version
<< dendl
;
8447 if (r
== -ECANCELED
) {
8451 if (r
!= -ENOENT
&& soid
.is_snap()) {
8452 if (results
->snaps
.empty()) {
8453 // we must have read "snap" content from the head object in
8454 // the base pool. use snap_seq to construct what snaps should
8455 // be for this clone (what is was before we evicted the clean
8456 // clone from this pool, and what it will be when we flush and
8457 // the clone eventually happens in the base pool).
8458 SnapSet
& snapset
= obc
->ssc
->snapset
;
8459 vector
<snapid_t
>::iterator p
= snapset
.snaps
.begin();
8460 while (p
!= snapset
.snaps
.end() && *p
> soid
.snap
)
8462 while (p
!= snapset
.snaps
.end() && *p
> results
->snap_seq
) {
8463 results
->snaps
.push_back(*p
);
8468 dout(20) << __func__
<< " snaps " << results
->snaps
<< dendl
;
8469 filter_snapc(results
->snaps
);
8471 dout(20) << __func__
<< " filtered snaps " << results
->snaps
<< dendl
;
8472 if (results
->snaps
.empty()) {
8473 dout(20) << __func__
8474 << " snaps are empty, clone is invalid,"
8475 << " setting r to ENOENT" << dendl
;
8480 if (r
< 0 && results
->started_temp_obj
) {
8481 dout(10) << __func__
<< " abort; will clean up partial work" << dendl
;
8482 ObjectContextRef tempobc
= get_object_context(results
->temp_oid
, false);
8484 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8485 ctx
->op_t
->remove(results
->temp_oid
);
8486 simple_opc_submit(std::move(ctx
));
8487 results
->started_temp_obj
= false;
8490 if (r
== -ENOENT
&& soid
.is_snap()) {
8491 dout(10) << __func__
8492 << ": enoent while trying to promote clone, " << soid
8493 << " must have been trimmed, removing from snapset"
8495 hobject_t
head(soid
.get_head());
8496 ObjectContextRef obc
= get_object_context(head
, false);
8499 OpContextUPtr tctx
= simple_opc_create(obc
);
8500 tctx
->at_version
= get_next_version();
8501 filter_snapc(tctx
->new_snapset
.snaps
);
8502 vector
<snapid_t
> new_clones
;
8503 map
<snapid_t
, vector
<snapid_t
>> new_clone_snaps
;
8504 for (vector
<snapid_t
>::iterator i
= tctx
->new_snapset
.clones
.begin();
8505 i
!= tctx
->new_snapset
.clones
.end();
8507 if (*i
!= soid
.snap
) {
8508 new_clones
.push_back(*i
);
8509 auto p
= tctx
->new_snapset
.clone_snaps
.find(*i
);
8510 if (p
!= tctx
->new_snapset
.clone_snaps
.end()) {
8511 new_clone_snaps
[*i
] = p
->second
;
8515 tctx
->new_snapset
.clones
.swap(new_clones
);
8516 tctx
->new_snapset
.clone_overlap
.erase(soid
.snap
);
8517 tctx
->new_snapset
.clone_size
.erase(soid
.snap
);
8518 tctx
->new_snapset
.clone_snaps
.swap(new_clone_snaps
);
8520 // take RWWRITE lock for duration of our local write. ignore starvation.
8521 if (!tctx
->lock_manager
.take_write_lock(
8524 assert(0 == "problem!");
8526 dout(20) << __func__
<< " took lock on obc, " << obc
->rwstate
<< dendl
;
8528 finish_ctx(tctx
.get(), pg_log_entry_t::PROMOTE
);
8530 simple_opc_submit(std::move(tctx
));
8534 bool whiteout
= false;
8536 assert(soid
.snap
== CEPH_NOSNAP
); // snap case is above
8537 dout(10) << __func__
<< " whiteout " << soid
<< dendl
;
8541 if (r
< 0 && !whiteout
) {
8542 derr
<< __func__
<< " unexpected promote error " << cpp_strerror(r
) << dendl
;
8543 // pass error to everyone blocked on this object
8544 // FIXME: this is pretty sloppy, but at this point we got
8545 // something unexpected and don't have many other options.
8546 map
<hobject_t
,list
<OpRequestRef
>>::iterator blocked_iter
=
8547 waiting_for_blocked_object
.find(soid
);
8548 if (blocked_iter
!= waiting_for_blocked_object
.end()) {
8549 while (!blocked_iter
->second
.empty()) {
8550 osd
->reply_op_error(blocked_iter
->second
.front(), r
);
8551 blocked_iter
->second
.pop_front();
8553 waiting_for_blocked_object
.erase(blocked_iter
);
8558 osd
->promote_finish(results
->object_size
);
8560 OpContextUPtr tctx
= simple_opc_create(obc
);
8561 tctx
->at_version
= get_next_version();
8563 ++tctx
->delta_stats
.num_objects
;
8564 if (soid
.snap
< CEPH_NOSNAP
)
8565 ++tctx
->delta_stats
.num_object_clones
;
8566 tctx
->new_obs
.exists
= true;
8568 tctx
->extra_reqids
= results
->reqids
;
8570 bool legacy_snapset
= tctx
->new_snapset
.is_legacy() ||
8571 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
8574 // create a whiteout
8575 tctx
->op_t
->create(soid
);
8576 tctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
8577 ++tctx
->delta_stats
.num_whiteouts
;
8578 dout(20) << __func__
<< " creating whiteout on " << soid
<< dendl
;
8579 osd
->logger
->inc(l_osd_tier_whiteout
);
8581 if (results
->has_omap
) {
8582 dout(10) << __func__
<< " setting omap flag on " << soid
<< dendl
;
8583 tctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
8584 ++tctx
->delta_stats
.num_objects_omap
;
8587 results
->fill_in_final_tx(tctx
->op_t
.get());
8588 if (results
->started_temp_obj
) {
8589 tctx
->discard_temp_oid
= results
->temp_oid
;
8591 tctx
->new_obs
.oi
.size
= results
->object_size
;
8592 tctx
->new_obs
.oi
.user_version
= results
->user_version
;
8593 // Don't care src object whether have data or omap digest
8594 if (results
->object_size
)
8595 tctx
->new_obs
.oi
.set_data_digest(results
->data_digest
);
8596 if (results
->has_omap
)
8597 tctx
->new_obs
.oi
.set_omap_digest(results
->omap_digest
);
8598 tctx
->new_obs
.oi
.truncate_seq
= results
->truncate_seq
;
8599 tctx
->new_obs
.oi
.truncate_size
= results
->truncate_size
;
8601 if (soid
.snap
!= CEPH_NOSNAP
) {
8602 if (legacy_snapset
) {
8603 tctx
->new_obs
.oi
.legacy_snaps
= results
->snaps
;
8604 assert(!tctx
->new_obs
.oi
.legacy_snaps
.empty());
8606 // it's already in the snapset
8607 assert(obc
->ssc
->snapset
.clone_snaps
.count(soid
.snap
));
8609 assert(obc
->ssc
->snapset
.clone_size
.count(soid
.snap
));
8610 assert(obc
->ssc
->snapset
.clone_size
[soid
.snap
] ==
8611 results
->object_size
);
8612 assert(obc
->ssc
->snapset
.clone_overlap
.count(soid
.snap
));
8614 tctx
->delta_stats
.num_bytes
+= obc
->ssc
->snapset
.get_clone_bytes(soid
.snap
);
8616 tctx
->delta_stats
.num_bytes
+= results
->object_size
;
8620 if (results
->mirror_snapset
) {
8621 assert(tctx
->new_obs
.oi
.soid
.snap
== CEPH_NOSNAP
);
8622 tctx
->new_snapset
.from_snap_set(
8624 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
);
8626 tctx
->new_snapset
.head_exists
= true;
8627 dout(20) << __func__
<< " new_snapset " << tctx
->new_snapset
<< dendl
;
8629 // take RWWRITE lock for duration of our local write. ignore starvation.
8630 if (!tctx
->lock_manager
.take_write_lock(
8633 assert(0 == "problem!");
8635 dout(20) << __func__
<< " took lock on obc, " << obc
->rwstate
<< dendl
;
8637 finish_ctx(tctx
.get(), pg_log_entry_t::PROMOTE
);
8639 simple_opc_submit(std::move(tctx
));
8641 osd
->logger
->inc(l_osd_tier_promote
);
8644 agent_state
->is_idle())
8645 agent_choose_mode();
8648 void PrimaryLogPG::cancel_copy(CopyOpRef cop
, bool requeue
)
8650 dout(10) << __func__
<< " " << cop
->obc
->obs
.oi
.soid
8651 << " from " << cop
->src
<< " " << cop
->oloc
8652 << " v" << cop
->results
.user_version
<< dendl
;
8654 // cancel objecter op, if we can
8655 if (cop
->objecter_tid
) {
8656 osd
->objecter
->op_cancel(cop
->objecter_tid
, -ECANCELED
);
8657 cop
->objecter_tid
= 0;
8658 if (cop
->objecter_tid2
) {
8659 osd
->objecter
->op_cancel(cop
->objecter_tid2
, -ECANCELED
);
8660 cop
->objecter_tid2
= 0;
8664 copy_ops
.erase(cop
->obc
->obs
.oi
.soid
);
8665 cop
->obc
->stop_block();
8667 kick_object_context_blocked(cop
->obc
);
8668 cop
->results
.should_requeue
= requeue
;
8669 CopyCallbackResults
result(-ECANCELED
, &cop
->results
);
8670 cop
->cb
->complete(result
);
8672 // There may still be an objecter callback referencing this copy op.
8673 // That callback will not need the obc since it's been canceled, and
8674 // we need the obc reference to go away prior to flush.
8675 cop
->obc
= ObjectContextRef();
8678 void PrimaryLogPG::cancel_copy_ops(bool requeue
)
8680 dout(10) << __func__
<< dendl
;
8681 map
<hobject_t
,CopyOpRef
>::iterator p
= copy_ops
.begin();
8682 while (p
!= copy_ops
.end()) {
8683 // requeue this op? can I queue up all of them?
8684 cancel_copy((p
++)->second
, requeue
);
8689 // ========================================================================
8692 // Flush a dirty object in the cache tier by writing it back to the
8693 // base tier. The sequence looks like:
8695 // * send a copy-from operation to the base tier to copy the current
8696 // version of the object
8697 // * base tier will pull the object via (perhaps multiple) copy-get(s)
8698 // * on completion, we check if the object has been modified. if so,
8699 // just reply with -EAGAIN.
8700 // * try to take a write lock so we can clear the dirty flag. if this
8701 // fails, wait and retry
8702 // * start a repop that clears the bit.
8704 // If we have to wait, we will retry by coming back through the
8705 // start_flush method. We check if a flush is already in progress
8706 // and, if so, try to finish it by rechecking the version and trying
8707 // to clear the dirty bit.
8709 // In order for the cache-flush (a write op) to not block the copy-get
8710 // from reading the object, the client *must* set the SKIPRWLOCKS
8713 // NOTE: normally writes are strictly ordered for the client, but
8714 // flushes are special in that they can be reordered with respect to
8715 // other writes. In particular, we can't have a flush request block
8716 // an update to the cache pool object!
8718 struct C_Flush
: public Context
{
8721 epoch_t last_peering_reset
;
8724 C_Flush(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
)
8725 : pg(p
), oid(o
), last_peering_reset(lpr
),
8726 tid(0), start(ceph_clock_now())
8728 void finish(int r
) override
{
8729 if (r
== -ECANCELED
)
8732 if (last_peering_reset
== pg
->get_last_peering_reset()) {
8733 pg
->finish_flush(oid
, tid
, r
);
8734 pg
->osd
->logger
->tinc(l_osd_tier_flush_lat
, ceph_clock_now() - start
);
8740 int PrimaryLogPG::start_flush(
8741 OpRequestRef op
, ObjectContextRef obc
,
8742 bool blocking
, hobject_t
*pmissing
,
8743 boost::optional
<std::function
<void()>> &&on_flush
)
8745 const object_info_t
& oi
= obc
->obs
.oi
;
8746 const hobject_t
& soid
= oi
.soid
;
8747 dout(10) << __func__
<< " " << soid
8748 << " v" << oi
.version
8749 << " uv" << oi
.user_version
8750 << " " << (blocking
? "blocking" : "non-blocking/best-effort")
8753 // get a filtered snapset, need to remove removed snaps
8754 SnapSet snapset
= obc
->ssc
->snapset
.get_filtered(pool
.info
);
8756 // verify there are no (older) check for dirty clones
8758 dout(20) << " snapset " << snapset
<< dendl
;
8759 vector
<snapid_t
>::reverse_iterator p
= snapset
.clones
.rbegin();
8760 while (p
!= snapset
.clones
.rend() && *p
>= soid
.snap
)
8762 if (p
!= snapset
.clones
.rend()) {
8763 hobject_t next
= soid
;
8765 assert(next
.snap
< soid
.snap
);
8766 if (pg_log
.get_missing().is_missing(next
)) {
8767 dout(10) << __func__
<< " missing clone is " << next
<< dendl
;
8772 ObjectContextRef older_obc
= get_object_context(next
, false);
8774 dout(20) << __func__
<< " next oldest clone is " << older_obc
->obs
.oi
8776 if (older_obc
->obs
.oi
.is_dirty()) {
8777 dout(10) << __func__
<< " next oldest clone is dirty: "
8778 << older_obc
->obs
.oi
<< dendl
;
8782 dout(20) << __func__
<< " next oldest clone " << next
8783 << " is not present; implicitly clean" << dendl
;
8786 dout(20) << __func__
<< " no older clones" << dendl
;
8793 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(soid
);
8794 if (p
!= flush_ops
.end()) {
8795 FlushOpRef fop
= p
->second
;
8796 if (fop
->op
== op
) {
8797 // we couldn't take the write lock on a cache-try-flush before;
8798 // now we are trying again for the lock.
8799 return try_flush_mark_clean(fop
);
8801 if (fop
->flushed_version
== obc
->obs
.oi
.user_version
&&
8802 (fop
->blocking
|| !blocking
)) {
8803 // nonblocking can join anything
8804 // blocking can only join a blocking flush
8805 dout(20) << __func__
<< " piggybacking on existing flush " << dendl
;
8807 fop
->dup_ops
.push_back(op
);
8808 return -EAGAIN
; // clean up this ctx; op will retry later
8811 // cancel current flush since it will fail anyway, or because we
8812 // are blocking and the existing flush is nonblocking.
8813 dout(20) << __func__
<< " canceling previous flush; it will fail" << dendl
;
8815 osd
->reply_op_error(fop
->op
, -EBUSY
);
8816 while (!fop
->dup_ops
.empty()) {
8817 osd
->reply_op_error(fop
->dup_ops
.front(), -EBUSY
);
8818 fop
->dup_ops
.pop_front();
8820 cancel_flush(fop
, false);
8824 * In general, we need to send a delete and a copyfrom.
8825 * Consider snapc 10:[10, 9, 8, 4, 3, 2]:[10(10, 9), 4(4,3,2)]
8826 * where 4 is marked as clean. To flush 10, we have to:
8827 * 1) delete 4:[4,3,2] -- Logically, the object does not exist after 4
8828 * 2) copyfrom 8:[8,4,3,2] -- flush object after snap 8
8830 * There is a complicating case. Supposed there had been a clone 7
8831 * for snaps [7, 6] which has been trimmed since they no longer exist.
8832 * In the base pool, we'd have 5:[4,3,2]:[4(4,3,2)]+head. When we submit
8833 * the delete, the snap will be promoted to 5, and the head will become
8834 * a snapdir. When the copy-from goes through, we'll end up with
8835 * 8:[8,4,3,2]:[4(4,3,2)]+head.
8837 * Another complication is the case where there is an interval change
8838 * after doing the delete and the flush but before marking the object
8839 * clean. We'll happily delete head and then recreate it at the same
8840 * sequence number, which works out ok.
8843 SnapContext snapc
, dsnapc
;
8844 if (snapset
.seq
!= 0) {
8845 if (soid
.snap
== CEPH_NOSNAP
) {
8846 snapc
.seq
= snapset
.seq
;
8847 snapc
.snaps
= snapset
.snaps
;
8849 snapid_t min_included_snap
;
8850 if (snapset
.is_legacy()) {
8851 min_included_snap
= oi
.legacy_snaps
.back();
8853 auto p
= snapset
.clone_snaps
.find(soid
.snap
);
8854 assert(p
!= snapset
.clone_snaps
.end());
8855 min_included_snap
= p
->second
.back();
8857 snapc
= snapset
.get_ssc_as_of(min_included_snap
- 1);
8860 snapid_t prev_snapc
= 0;
8861 for (vector
<snapid_t
>::reverse_iterator citer
= snapset
.clones
.rbegin();
8862 citer
!= snapset
.clones
.rend();
8864 if (*citer
< soid
.snap
) {
8865 prev_snapc
= *citer
;
8870 dsnapc
= snapset
.get_ssc_as_of(prev_snapc
);
8873 object_locator_t
base_oloc(soid
);
8874 base_oloc
.pool
= pool
.info
.tier_of
;
8876 if (dsnapc
.seq
< snapc
.seq
) {
8879 osd
->objecter
->mutate(
8884 ceph::real_clock::from_ceph_timespec(oi
.mtime
),
8885 (CEPH_OSD_FLAG_IGNORE_OVERLAY
|
8886 CEPH_OSD_FLAG_ENFORCE_SNAPC
),
8887 NULL
/* no callback, we'll rely on the ordering w.r.t the next op */);
8890 FlushOpRef
fop(std::make_shared
<FlushOp
>());
8892 fop
->flushed_version
= oi
.user_version
;
8893 fop
->blocking
= blocking
;
8894 fop
->on_flush
= std::move(on_flush
);
8898 if (oi
.is_whiteout()) {
8899 fop
->removal
= true;
8902 object_locator_t
oloc(soid
);
8903 o
.copy_from(soid
.oid
.name
, soid
.snap
, oloc
, oi
.user_version
,
8904 CEPH_OSD_COPY_FROM_FLAG_FLUSH
|
8905 CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
|
8906 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
|
8907 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
,
8908 LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL
|LIBRADOS_OP_FLAG_FADVISE_NOCACHE
);
8910 //mean the base tier don't cache data after this
8911 if (agent_state
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
)
8912 o
.set_last_op_flags(LIBRADOS_OP_FLAG_FADVISE_DONTNEED
);
8914 C_Flush
*fin
= new C_Flush(this, soid
, get_last_peering_reset());
8916 ceph_tid_t tid
= osd
->objecter
->mutate(
8917 soid
.oid
, base_oloc
, o
, snapc
,
8918 ceph::real_clock::from_ceph_timespec(oi
.mtime
),
8919 CEPH_OSD_FLAG_IGNORE_OVERLAY
| CEPH_OSD_FLAG_ENFORCE_SNAPC
,
8920 new C_OnFinisher(fin
,
8921 &osd
->objecter_finisher
));
8922 /* we're under the pg lock and fin->finish() is grabbing that */
8924 fop
->objecter_tid
= tid
;
8926 flush_ops
[soid
] = fop
;
8927 info
.stats
.stats
.sum
.num_flush
++;
8928 info
.stats
.stats
.sum
.num_flush_kb
+= SHIFT_ROUND_UP(oi
.size
, 10);
8929 return -EINPROGRESS
;
8932 void PrimaryLogPG::finish_flush(hobject_t oid
, ceph_tid_t tid
, int r
)
8934 dout(10) << __func__
<< " " << oid
<< " tid " << tid
8935 << " " << cpp_strerror(r
) << dendl
;
8936 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(oid
);
8937 if (p
== flush_ops
.end()) {
8938 dout(10) << __func__
<< " no flush_op found" << dendl
;
8941 FlushOpRef fop
= p
->second
;
8942 if (tid
!= fop
->objecter_tid
) {
8943 dout(10) << __func__
<< " tid " << tid
<< " != fop " << fop
8944 << " tid " << fop
->objecter_tid
<< dendl
;
8947 ObjectContextRef obc
= fop
->obc
;
8948 fop
->objecter_tid
= 0;
8950 if (r
< 0 && !(r
== -ENOENT
&& fop
->removal
)) {
8952 osd
->reply_op_error(fop
->op
, -EBUSY
);
8953 if (fop
->blocking
) {
8955 kick_object_context_blocked(obc
);
8958 if (!fop
->dup_ops
.empty()) {
8959 dout(20) << __func__
<< " requeueing dups" << dendl
;
8960 requeue_ops(fop
->dup_ops
);
8962 if (fop
->on_flush
) {
8963 (*(fop
->on_flush
))();
8964 fop
->on_flush
= boost::none
;
8966 flush_ops
.erase(oid
);
8970 r
= try_flush_mark_clean(fop
);
8971 if (r
== -EBUSY
&& fop
->op
) {
8972 osd
->reply_op_error(fop
->op
, r
);
8976 int PrimaryLogPG::try_flush_mark_clean(FlushOpRef fop
)
8978 ObjectContextRef obc
= fop
->obc
;
8979 const hobject_t
& oid
= obc
->obs
.oi
.soid
;
8981 if (fop
->blocking
) {
8983 kick_object_context_blocked(obc
);
8986 if (fop
->flushed_version
!= obc
->obs
.oi
.user_version
||
8988 if (obc
->obs
.exists
)
8989 dout(10) << __func__
<< " flushed_version " << fop
->flushed_version
8990 << " != current " << obc
->obs
.oi
.user_version
8993 dout(10) << __func__
<< " object no longer exists" << dendl
;
8995 if (!fop
->dup_ops
.empty()) {
8996 dout(20) << __func__
<< " requeueing dups" << dendl
;
8997 requeue_ops(fop
->dup_ops
);
8999 if (fop
->on_flush
) {
9000 (*(fop
->on_flush
))();
9001 fop
->on_flush
= boost::none
;
9003 flush_ops
.erase(oid
);
9005 osd
->logger
->inc(l_osd_tier_flush_fail
);
9007 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
9011 if (!fop
->blocking
&&
9012 scrubber
.write_blocked_by_scrub(oid
)) {
9014 dout(10) << __func__
<< " blocked by scrub" << dendl
;
9015 requeue_op(fop
->op
);
9016 requeue_ops(fop
->dup_ops
);
9017 return -EAGAIN
; // will retry
9019 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
9020 cancel_flush(fop
, false);
9025 // successfully flushed, can we evict this object?
9026 if (!fop
->op
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_IDLE
&&
9027 agent_maybe_evict(obc
, true)) {
9028 osd
->logger
->inc(l_osd_tier_clean
);
9029 if (fop
->on_flush
) {
9030 (*(fop
->on_flush
))();
9031 fop
->on_flush
= boost::none
;
9033 flush_ops
.erase(oid
);
9037 dout(10) << __func__
<< " clearing DIRTY flag for " << oid
<< dendl
;
9038 OpContextUPtr ctx
= simple_opc_create(fop
->obc
);
9040 // successfully flushed; can we clear the dirty bit?
9041 // try to take the lock manually, since we don't
9043 if (ctx
->lock_manager
.get_lock_type(
9044 ObjectContext::RWState::RWWRITE
,
9048 dout(20) << __func__
<< " took write lock" << dendl
;
9049 } else if (fop
->op
) {
9050 dout(10) << __func__
<< " waiting on write lock" << dendl
;
9051 close_op_ctx(ctx
.release());
9052 requeue_op(fop
->op
);
9053 requeue_ops(fop
->dup_ops
);
9054 return -EAGAIN
; // will retry
9056 dout(10) << __func__
<< " failed write lock, no op; failing" << dendl
;
9057 close_op_ctx(ctx
.release());
9058 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
9059 cancel_flush(fop
, false);
9063 if (fop
->on_flush
) {
9064 ctx
->register_on_finish(*(fop
->on_flush
));
9065 fop
->on_flush
= boost::none
;
9068 ctx
->at_version
= get_next_version();
9070 ctx
->new_obs
= obc
->obs
;
9071 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
9072 --ctx
->delta_stats
.num_objects_dirty
;
9074 finish_ctx(ctx
.get(), pg_log_entry_t::CLEAN
);
9076 osd
->logger
->inc(l_osd_tier_clean
);
9078 if (!fop
->dup_ops
.empty() || fop
->op
) {
9079 dout(20) << __func__
<< " requeueing for " << ctx
->at_version
<< dendl
;
9080 list
<OpRequestRef
> ls
;
9082 ls
.push_back(fop
->op
);
9083 ls
.splice(ls
.end(), fop
->dup_ops
);
9087 simple_opc_submit(std::move(ctx
));
9089 flush_ops
.erase(oid
);
9092 osd
->logger
->inc(l_osd_tier_flush
);
9094 osd
->logger
->inc(l_osd_tier_try_flush
);
9096 return -EINPROGRESS
;
9099 void PrimaryLogPG::cancel_flush(FlushOpRef fop
, bool requeue
)
9101 dout(10) << __func__
<< " " << fop
->obc
->obs
.oi
.soid
<< " tid "
9102 << fop
->objecter_tid
<< dendl
;
9103 if (fop
->objecter_tid
) {
9104 osd
->objecter
->op_cancel(fop
->objecter_tid
, -ECANCELED
);
9105 fop
->objecter_tid
= 0;
9107 if (fop
->blocking
) {
9108 fop
->obc
->stop_block();
9109 kick_object_context_blocked(fop
->obc
);
9113 requeue_op(fop
->op
);
9114 requeue_ops(fop
->dup_ops
);
9116 if (fop
->on_flush
) {
9117 (*(fop
->on_flush
))();
9118 fop
->on_flush
= boost::none
;
9120 flush_ops
.erase(fop
->obc
->obs
.oi
.soid
);
9123 void PrimaryLogPG::cancel_flush_ops(bool requeue
)
9125 dout(10) << __func__
<< dendl
;
9126 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.begin();
9127 while (p
!= flush_ops
.end()) {
9128 cancel_flush((p
++)->second
, requeue
);
9132 bool PrimaryLogPG::is_present_clone(hobject_t coid
)
9134 if (!pool
.info
.allow_incomplete_clones())
9136 if (is_missing_object(coid
))
9138 ObjectContextRef obc
= get_object_context(coid
, false);
9139 return obc
&& obc
->obs
.exists
;
9142 // ========================================================================
9145 class C_OSD_RepopApplied
: public Context
{
9147 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> repop
;
9149 C_OSD_RepopApplied(PrimaryLogPG
*pg
, PrimaryLogPG::RepGather
*repop
)
9150 : pg(pg
), repop(repop
) {}
9151 void finish(int) override
{
9152 pg
->repop_all_applied(repop
.get());
9157 void PrimaryLogPG::repop_all_applied(RepGather
*repop
)
9159 dout(10) << __func__
<< ": repop tid " << repop
->rep_tid
<< " all applied "
9161 assert(!repop
->applies_with_commit
);
9162 repop
->all_applied
= true;
9163 if (!repop
->rep_aborted
) {
9168 class C_OSD_RepopCommit
: public Context
{
9170 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> repop
;
9172 C_OSD_RepopCommit(PrimaryLogPG
*pg
, PrimaryLogPG::RepGather
*repop
)
9173 : pg(pg
), repop(repop
) {}
9174 void finish(int) override
{
9175 pg
->repop_all_committed(repop
.get());
9179 void PrimaryLogPG::repop_all_committed(RepGather
*repop
)
9181 dout(10) << __func__
<< ": repop tid " << repop
->rep_tid
<< " all committed "
9183 repop
->all_committed
= true;
9184 if (repop
->applies_with_commit
) {
9185 assert(!repop
->all_applied
);
9186 repop
->all_applied
= true;
9189 if (!repop
->rep_aborted
) {
9190 if (repop
->v
!= eversion_t()) {
9191 last_update_ondisk
= repop
->v
;
9192 last_complete_ondisk
= repop
->pg_local_last_complete
;
9198 void PrimaryLogPG::op_applied(const eversion_t
&applied_version
)
9200 dout(10) << "op_applied version " << applied_version
<< dendl
;
9201 if (applied_version
== eversion_t())
9203 assert(applied_version
> last_update_applied
);
9204 assert(applied_version
<= info
.last_update
);
9205 last_update_applied
= applied_version
;
9207 if (scrubber
.active
) {
9208 if (last_update_applied
>= scrubber
.subset_last_update
) {
9209 if (ops_blocked_by_scrub()) {
9210 requeue_scrub(true);
9212 requeue_scrub(false);
9217 assert(scrubber
.start
== scrubber
.end
);
9220 if (scrubber
.active_rep_scrub
) {
9221 if (last_update_applied
>= static_cast<const MOSDRepScrub
*>(
9222 scrubber
.active_rep_scrub
->get_req())->scrub_to
) {
9225 PGQueueable(scrubber
.active_rep_scrub
, get_osdmap()->get_epoch()));
9226 scrubber
.active_rep_scrub
= OpRequestRef();
9232 void PrimaryLogPG::eval_repop(RepGather
*repop
)
9234 const MOSDOp
*m
= NULL
;
9236 m
= static_cast<const MOSDOp
*>(repop
->op
->get_req());
9239 dout(10) << "eval_repop " << *repop
9240 << (repop
->rep_done
? " DONE" : "")
9243 dout(10) << "eval_repop " << *repop
<< " (no op)"
9244 << (repop
->rep_done
? " DONE" : "")
9247 if (repop
->rep_done
)
9251 if (repop
->all_committed
) {
9252 dout(10) << " commit: " << *repop
<< dendl
;
9253 for (auto p
= repop
->on_committed
.begin();
9254 p
!= repop
->on_committed
.end();
9255 repop
->on_committed
.erase(p
++)) {
9258 // send dup commits, in order
9259 if (waiting_for_ondisk
.count(repop
->v
)) {
9260 assert(waiting_for_ondisk
.begin()->first
== repop
->v
);
9261 for (list
<pair
<OpRequestRef
, version_t
> >::iterator i
=
9262 waiting_for_ondisk
[repop
->v
].begin();
9263 i
!= waiting_for_ondisk
[repop
->v
].end();
9265 osd
->reply_op_error(i
->first
, repop
->r
, repop
->v
,
9268 waiting_for_ondisk
.erase(repop
->v
);
9273 if (repop
->all_applied
) {
9274 if (repop
->applies_with_commit
) {
9275 assert(repop
->on_applied
.empty());
9277 dout(10) << " applied: " << *repop
<< " " << dendl
;
9278 for (auto p
= repop
->on_applied
.begin();
9279 p
!= repop
->on_applied
.end();
9280 repop
->on_applied
.erase(p
++)) {
9286 if (repop
->all_applied
&& repop
->all_committed
) {
9287 repop
->rep_done
= true;
9289 publish_stats_to_osd();
9290 calc_min_last_complete_ondisk();
9292 dout(10) << " removing " << *repop
<< dendl
;
9293 assert(!repop_queue
.empty());
9294 dout(20) << " q front is " << *repop_queue
.front() << dendl
;
9295 if (repop_queue
.front() != repop
) {
9296 if (!repop
->applies_with_commit
) {
9297 dout(0) << " removing " << *repop
<< dendl
;
9298 dout(0) << " q front is " << *repop_queue
.front() << dendl
;
9299 assert(repop_queue
.front() == repop
);
9302 RepGather
*to_remove
= nullptr;
9303 while (!repop_queue
.empty() &&
9304 (to_remove
= repop_queue
.front())->rep_done
) {
9305 repop_queue
.pop_front();
9306 for (auto p
= to_remove
->on_success
.begin();
9307 p
!= to_remove
->on_success
.end();
9308 to_remove
->on_success
.erase(p
++)) {
9311 remove_repop(to_remove
);
9317 void PrimaryLogPG::issue_repop(RepGather
*repop
, OpContext
*ctx
)
9320 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
9321 dout(7) << "issue_repop rep_tid " << repop
->rep_tid
9325 repop
->v
= ctx
->at_version
;
9326 if (ctx
->at_version
> eversion_t()) {
9327 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
9328 i
!= actingbackfill
.end();
9330 if (*i
== get_primary()) continue;
9331 pg_info_t
&pinfo
= peer_info
[*i
];
9332 // keep peer_info up to date
9333 if (pinfo
.last_complete
== pinfo
.last_update
)
9334 pinfo
.last_complete
= ctx
->at_version
;
9335 pinfo
.last_update
= ctx
->at_version
;
9339 ctx
->obc
->ondisk_write_lock();
9341 bool unlock_snapset_obc
= false;
9342 ctx
->op_t
->add_obc(ctx
->obc
);
9343 if (ctx
->clone_obc
) {
9344 ctx
->clone_obc
->ondisk_write_lock();
9345 ctx
->op_t
->add_obc(ctx
->clone_obc
);
9347 if (ctx
->snapset_obc
&& ctx
->snapset_obc
->obs
.oi
.soid
!=
9348 ctx
->obc
->obs
.oi
.soid
) {
9349 ctx
->snapset_obc
->ondisk_write_lock();
9350 unlock_snapset_obc
= true;
9351 ctx
->op_t
->add_obc(ctx
->snapset_obc
);
9354 Context
*on_all_commit
= new C_OSD_RepopCommit(this, repop
);
9355 Context
*on_all_applied
= new C_OSD_RepopApplied(this, repop
);
9356 Context
*onapplied_sync
= new C_OSD_OndiskWriteUnlock(
9359 unlock_snapset_obc
? ctx
->snapset_obc
: ObjectContextRef());
9360 if (!(ctx
->log
.empty())) {
9361 assert(ctx
->at_version
>= projected_last_update
);
9362 projected_last_update
= ctx
->at_version
;
9364 for (auto &&entry
: ctx
->log
) {
9365 projected_log
.add(entry
);
9367 pgbackend
->submit_transaction(
9371 std::move(ctx
->op_t
),
9373 min_last_complete_ondisk
,
9375 ctx
->updated_hset_history
,
9384 PrimaryLogPG::RepGather
*PrimaryLogPG::new_repop(
9385 OpContext
*ctx
, ObjectContextRef obc
,
9389 dout(10) << "new_repop rep_tid " << rep_tid
<< " on " << *ctx
->op
->get_req() << dendl
;
9391 dout(10) << "new_repop rep_tid " << rep_tid
<< " (no op)" << dendl
;
9393 RepGather
*repop
= new RepGather(
9394 ctx
, rep_tid
, info
.last_complete
, false);
9396 repop
->start
= ceph_clock_now();
9398 repop_queue
.push_back(&repop
->queue_item
);
9401 osd
->logger
->inc(l_osd_op_wip
);
9403 dout(10) << __func__
<< ": " << *repop
<< dendl
;
9407 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> PrimaryLogPG::new_repop(
9410 ObcLockManager
&&manager
,
9412 boost::optional
<std::function
<void(void)> > &&on_complete
)
9414 RepGather
*repop
= new RepGather(
9417 std::move(on_complete
),
9424 repop
->start
= ceph_clock_now();
9426 repop_queue
.push_back(&repop
->queue_item
);
9428 osd
->logger
->inc(l_osd_op_wip
);
9430 dout(10) << __func__
<< ": " << *repop
<< dendl
;
9431 return boost::intrusive_ptr
<RepGather
>(repop
);
9434 void PrimaryLogPG::remove_repop(RepGather
*repop
)
9436 dout(20) << __func__
<< " " << *repop
<< dendl
;
9438 for (auto p
= repop
->on_finish
.begin();
9439 p
!= repop
->on_finish
.end();
9440 repop
->on_finish
.erase(p
++)) {
9444 release_object_locks(
9445 repop
->lock_manager
);
9448 osd
->logger
->dec(l_osd_op_wip
);
9451 PrimaryLogPG::OpContextUPtr
PrimaryLogPG::simple_opc_create(ObjectContextRef obc
)
9453 dout(20) << __func__
<< " " << obc
->obs
.oi
.soid
<< dendl
;
9454 ceph_tid_t rep_tid
= osd
->get_tid();
9455 osd_reqid_t
reqid(osd
->get_cluster_msgr_name(), 0, rep_tid
);
9456 OpContextUPtr
ctx(new OpContext(OpRequestRef(), reqid
, nullptr, obc
, this));
9457 ctx
->op_t
.reset(new PGTransaction());
9458 ctx
->mtime
= ceph_clock_now();
9462 void PrimaryLogPG::simple_opc_submit(OpContextUPtr ctx
)
9464 RepGather
*repop
= new_repop(ctx
.get(), ctx
->obc
, ctx
->reqid
.tid
);
9465 dout(20) << __func__
<< " " << repop
<< dendl
;
9466 issue_repop(repop
, ctx
.get());
9473 void PrimaryLogPG::submit_log_entries(
9474 const mempool::osd_pglog::list
<pg_log_entry_t
> &entries
,
9475 ObcLockManager
&&manager
,
9476 boost::optional
<std::function
<void(void)> > &&_on_complete
,
9480 dout(10) << __func__
<< " " << entries
<< dendl
;
9481 assert(is_primary());
9484 if (!entries
.empty()) {
9485 assert(entries
.rbegin()->version
>= projected_last_update
);
9486 version
= projected_last_update
= entries
.rbegin()->version
;
9489 boost::intrusive_ptr
<RepGather
> repop
;
9490 boost::optional
<std::function
<void(void)> > on_complete
;
9491 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9497 std::move(_on_complete
));
9499 on_complete
= std::move(_on_complete
);
9502 pgbackend
->call_write_ordered(
9503 [this, entries
, repop
, on_complete
]() {
9504 ObjectStore::Transaction t
;
9505 eversion_t old_last_update
= info
.last_update
;
9506 merge_new_log_entries(entries
, t
);
9509 set
<pg_shard_t
> waiting_on
;
9510 for (set
<pg_shard_t
>::const_iterator i
= actingbackfill
.begin();
9511 i
!= actingbackfill
.end();
9513 pg_shard_t
peer(*i
);
9514 if (peer
== pg_whoami
) continue;
9515 assert(peer_missing
.count(peer
));
9516 assert(peer_info
.count(peer
));
9517 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9519 MOSDPGUpdateLogMissing
*m
= new MOSDPGUpdateLogMissing(
9521 spg_t(info
.pgid
.pgid
, i
->shard
),
9523 get_osdmap()->get_epoch(),
9526 osd
->send_message_osd_cluster(
9527 peer
.osd
, m
, get_osdmap()->get_epoch());
9528 waiting_on
.insert(peer
);
9530 MOSDPGLog
*m
= new MOSDPGLog(
9531 peer
.shard
, pg_whoami
.shard
,
9532 info
.last_update
.epoch
,
9534 m
->log
.log
= entries
;
9535 m
->log
.tail
= old_last_update
;
9536 m
->log
.head
= info
.last_update
;
9537 osd
->send_message_osd_cluster(
9538 peer
.osd
, m
, get_osdmap()->get_epoch());
9541 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9542 ceph_tid_t rep_tid
= repop
->rep_tid
;
9543 waiting_on
.insert(pg_whoami
);
9544 log_entry_update_waiting_on
.insert(
9547 LogUpdateCtx
{std::move(repop
), std::move(waiting_on
)}
9549 struct OnComplete
: public Context
{
9557 : pg(pg
), rep_tid(rep_tid
), epoch(epoch
) {}
9558 void finish(int) override
{
9560 if (!pg
->pg_has_reset_since(epoch
)) {
9561 auto it
= pg
->log_entry_update_waiting_on
.find(rep_tid
);
9562 assert(it
!= pg
->log_entry_update_waiting_on
.end());
9563 auto it2
= it
->second
.waiting_on
.find(pg
->pg_whoami
);
9564 assert(it2
!= it
->second
.waiting_on
.end());
9565 it
->second
.waiting_on
.erase(it2
);
9566 if (it
->second
.waiting_on
.empty()) {
9567 pg
->repop_all_committed(it
->second
.repop
.get());
9568 pg
->log_entry_update_waiting_on
.erase(it
);
9574 t
.register_on_commit(
9575 new OnComplete
{this, rep_tid
, get_osdmap()->get_epoch()});
9578 struct OnComplete
: public Context
{
9580 std::function
<void(void)> on_complete
;
9584 const std::function
<void(void)> &on_complete
,
9587 on_complete(std::move(on_complete
)),
9589 void finish(int) override
{
9591 if (!pg
->pg_has_reset_since(epoch
))
9596 t
.register_on_complete(
9598 this, *on_complete
, get_osdmap()->get_epoch()
9602 t
.register_on_applied(
9603 new C_OSD_OnApplied
{this, get_osdmap()->get_epoch(), info
.last_update
});
9604 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
9609 void PrimaryLogPG::cancel_log_updates()
9611 // get rid of all the LogUpdateCtx so their references to repops are
9613 log_entry_update_waiting_on
.clear();
9616 // -------------------------------------------------------
9618 void PrimaryLogPG::get_watchers(list
<obj_watch_item_t
> &pg_watchers
)
9620 pair
<hobject_t
, ObjectContextRef
> i
;
9621 while (object_contexts
.get_next(i
.first
, &i
)) {
9622 ObjectContextRef
obc(i
.second
);
9623 get_obc_watchers(obc
, pg_watchers
);
9627 void PrimaryLogPG::get_obc_watchers(ObjectContextRef obc
, list
<obj_watch_item_t
> &pg_watchers
)
9629 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
=
9630 obc
->watchers
.begin();
9631 j
!= obc
->watchers
.end();
9633 obj_watch_item_t owi
;
9635 owi
.obj
= obc
->obs
.oi
.soid
;
9636 owi
.wi
.addr
= j
->second
->get_peer_addr();
9637 owi
.wi
.name
= j
->second
->get_entity();
9638 owi
.wi
.cookie
= j
->second
->get_cookie();
9639 owi
.wi
.timeout_seconds
= j
->second
->get_timeout();
9641 dout(30) << "watch: Found oid=" << owi
.obj
<< " addr=" << owi
.wi
.addr
9642 << " name=" << owi
.wi
.name
<< " cookie=" << owi
.wi
.cookie
<< dendl
;
9644 pg_watchers
.push_back(owi
);
9648 void PrimaryLogPG::check_blacklisted_watchers()
9650 dout(20) << "PrimaryLogPG::check_blacklisted_watchers for pg " << get_pgid() << dendl
;
9651 pair
<hobject_t
, ObjectContextRef
> i
;
9652 while (object_contexts
.get_next(i
.first
, &i
))
9653 check_blacklisted_obc_watchers(i
.second
);
9656 void PrimaryLogPG::check_blacklisted_obc_watchers(ObjectContextRef obc
)
9658 dout(20) << "PrimaryLogPG::check_blacklisted_obc_watchers for obc " << obc
->obs
.oi
.soid
<< dendl
;
9659 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator k
=
9660 obc
->watchers
.begin();
9661 k
!= obc
->watchers
.end();
9663 //Advance iterator now so handle_watch_timeout() can erase element
9664 map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
= k
++;
9665 dout(30) << "watch: Found " << j
->second
->get_entity() << " cookie " << j
->second
->get_cookie() << dendl
;
9666 entity_addr_t ea
= j
->second
->get_peer_addr();
9667 dout(30) << "watch: Check entity_addr_t " << ea
<< dendl
;
9668 if (get_osdmap()->is_blacklisted(ea
)) {
9669 dout(10) << "watch: Found blacklisted watcher for " << ea
<< dendl
;
9670 assert(j
->second
->get_pg() == this);
9671 j
->second
->unregister_cb();
9672 handle_watch_timeout(j
->second
);
9677 void PrimaryLogPG::populate_obc_watchers(ObjectContextRef obc
)
9679 assert(is_active());
9680 assert((recovering
.count(obc
->obs
.oi
.soid
) ||
9681 !is_missing_object(obc
->obs
.oi
.soid
)) ||
9682 (pg_log
.get_log().objects
.count(obc
->obs
.oi
.soid
) && // or this is a revert... see recover_primary()
9683 pg_log
.get_log().objects
.find(obc
->obs
.oi
.soid
)->second
->op
==
9684 pg_log_entry_t::LOST_REVERT
&&
9685 pg_log
.get_log().objects
.find(obc
->obs
.oi
.soid
)->second
->reverting_to
==
9686 obc
->obs
.oi
.version
));
9688 dout(10) << "populate_obc_watchers " << obc
->obs
.oi
.soid
<< dendl
;
9689 assert(obc
->watchers
.empty());
9690 // populate unconnected_watchers
9691 for (map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator p
=
9692 obc
->obs
.oi
.watchers
.begin();
9693 p
!= obc
->obs
.oi
.watchers
.end();
9695 utime_t expire
= info
.stats
.last_became_active
;
9696 expire
+= p
->second
.timeout_seconds
;
9697 dout(10) << " unconnected watcher " << p
->first
<< " will expire " << expire
<< dendl
;
9699 Watch::makeWatchRef(
9700 this, osd
, obc
, p
->second
.timeout_seconds
, p
->first
.first
,
9701 p
->first
.second
, p
->second
.addr
));
9702 watch
->disconnect();
9703 obc
->watchers
.insert(
9705 make_pair(p
->first
.first
, p
->first
.second
),
9708 // Look for watchers from blacklisted clients and drop
9709 check_blacklisted_obc_watchers(obc
);
9712 void PrimaryLogPG::handle_watch_timeout(WatchRef watch
)
9714 ObjectContextRef obc
= watch
->get_obc(); // handle_watch_timeout owns this ref
9715 dout(10) << "handle_watch_timeout obc " << obc
<< dendl
;
9718 dout(10) << "handle_watch_timeout not active, no-op" << dendl
;
9721 if (is_degraded_or_backfilling_object(obc
->obs
.oi
.soid
)) {
9722 callbacks_for_degraded_object
[obc
->obs
.oi
.soid
].push_back(
9723 watch
->get_delayed_cb()
9725 dout(10) << "handle_watch_timeout waiting for degraded on obj "
9731 if (scrubber
.write_blocked_by_scrub(obc
->obs
.oi
.soid
)) {
9732 dout(10) << "handle_watch_timeout waiting for scrub on obj "
9735 scrubber
.add_callback(
9736 watch
->get_delayed_cb() // This callback!
9741 OpContextUPtr ctx
= simple_opc_create(obc
);
9742 ctx
->at_version
= get_next_version();
9744 object_info_t
& oi
= ctx
->new_obs
.oi
;
9745 oi
.watchers
.erase(make_pair(watch
->get_cookie(),
9746 watch
->get_entity()));
9748 list
<watch_disconnect_t
> watch_disconnects
= {
9749 watch_disconnect_t(watch
->get_cookie(), watch
->get_entity(), true)
9751 ctx
->register_on_success(
9752 [this, obc
, watch_disconnects
]() {
9753 complete_disconnect_watches(obc
, watch_disconnects
);
9757 PGTransaction
*t
= ctx
->op_t
.get();
9758 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::MODIFY
, obc
->obs
.oi
.soid
,
9762 osd_reqid_t(), ctx
->mtime
, 0));
9764 oi
.prior_version
= obc
->obs
.oi
.version
;
9765 oi
.version
= ctx
->at_version
;
9767 ::encode(oi
, bl
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
9768 t
->setattr(obc
->obs
.oi
.soid
, OI_ATTR
, bl
);
9770 // apply new object state.
9771 ctx
->obc
->obs
= ctx
->new_obs
;
9773 // no ctx->delta_stats
9774 simple_opc_submit(std::move(ctx
));
9777 ObjectContextRef
PrimaryLogPG::create_object_context(const object_info_t
& oi
,
9778 SnapSetContext
*ssc
)
9780 ObjectContextRef
obc(object_contexts
.lookup_or_create(oi
.soid
));
9781 assert(obc
->destructor_callback
== NULL
);
9782 obc
->destructor_callback
= new C_PG_ObjectContext(this, obc
.get());
9784 obc
->obs
.exists
= false;
9787 register_snapset_context(ssc
);
9788 dout(10) << "create_object_context " << (void*)obc
.get() << " " << oi
.soid
<< " " << dendl
;
9790 populate_obc_watchers(obc
);
9794 ObjectContextRef
PrimaryLogPG::get_object_context(
9795 const hobject_t
& soid
,
9797 const map
<string
, bufferlist
> *attrs
)
9800 attrs
|| !pg_log
.get_missing().is_missing(soid
) ||
9801 // or this is a revert... see recover_primary()
9802 (pg_log
.get_log().objects
.count(soid
) &&
9803 pg_log
.get_log().objects
.find(soid
)->second
->op
==
9804 pg_log_entry_t::LOST_REVERT
));
9805 ObjectContextRef obc
= object_contexts
.lookup(soid
);
9806 osd
->logger
->inc(l_osd_object_ctx_cache_total
);
9808 osd
->logger
->inc(l_osd_object_ctx_cache_hit
);
9809 dout(10) << __func__
<< ": found obc in cache: " << obc
9812 dout(10) << __func__
<< ": obc NOT found in cache: " << soid
<< dendl
;
9816 assert(attrs
->count(OI_ATTR
));
9817 bv
= attrs
->find(OI_ATTR
)->second
;
9819 int r
= pgbackend
->objects_get_attr(soid
, OI_ATTR
, &bv
);
9822 dout(10) << __func__
<< ": no obc for soid "
9823 << soid
<< " and !can_create"
9825 return ObjectContextRef(); // -ENOENT!
9828 dout(10) << __func__
<< ": no obc for soid "
9829 << soid
<< " but can_create"
9832 object_info_t
oi(soid
);
9833 SnapSetContext
*ssc
= get_snapset_context(
9834 soid
, true, 0, false);
9836 obc
= create_object_context(oi
, ssc
);
9837 dout(10) << __func__
<< ": " << obc
<< " " << soid
9838 << " " << obc
->rwstate
9839 << " oi: " << obc
->obs
.oi
9840 << " ssc: " << obc
->ssc
9841 << " snapset: " << obc
->ssc
->snapset
<< dendl
;
9848 bufferlist::iterator bliter
= bv
.begin();
9849 ::decode(oi
, bliter
);
9851 dout(0) << __func__
<< ": obc corrupt: " << soid
<< dendl
;
9852 return ObjectContextRef(); // -ENOENT!
9855 assert(oi
.soid
.pool
== (int64_t)info
.pgid
.pool());
9857 obc
= object_contexts
.lookup_or_create(oi
.soid
);
9858 obc
->destructor_callback
= new C_PG_ObjectContext(this, obc
.get());
9860 obc
->obs
.exists
= true;
9862 obc
->ssc
= get_snapset_context(
9864 soid
.has_snapset() ? attrs
: 0);
9867 populate_obc_watchers(obc
);
9869 if (pool
.info
.require_rollback()) {
9871 obc
->attr_cache
= *attrs
;
9873 int r
= pgbackend
->objects_get_attrs(
9880 dout(10) << __func__
<< ": creating obc from disk: " << obc
9884 // XXX: Caller doesn't expect this
9885 if (obc
->ssc
== NULL
) {
9886 derr
<< __func__
<< ": obc->ssc not available, not returning context" << dendl
;
9887 return ObjectContextRef(); // -ENOENT!
9890 dout(10) << __func__
<< ": " << obc
<< " " << soid
9891 << " " << obc
->rwstate
9892 << " oi: " << obc
->obs
.oi
9893 << " exists: " << (int)obc
->obs
.exists
9894 << " ssc: " << obc
->ssc
9895 << " snapset: " << obc
->ssc
->snapset
<< dendl
;
9899 void PrimaryLogPG::context_registry_on_change()
9901 pair
<hobject_t
, ObjectContextRef
> i
;
9902 while (object_contexts
.get_next(i
.first
, &i
)) {
9903 ObjectContextRef
obc(i
.second
);
9905 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
=
9906 obc
->watchers
.begin();
9907 j
!= obc
->watchers
.end();
9908 obc
->watchers
.erase(j
++)) {
9909 j
->second
->discard();
9917 * If we return an error, and set *pmissing, then promoting that
9920 * If we return -EAGAIN, we will always set *pmissing to the missing
9921 * object to wait for.
9923 * If we return an error but do not set *pmissing, then we know the
9924 * object does not exist.
9926 int PrimaryLogPG::find_object_context(const hobject_t
& oid
,
9927 ObjectContextRef
*pobc
,
9929 bool map_snapid_to_clone
,
9930 hobject_t
*pmissing
)
9933 assert(oid
.pool
== static_cast<int64_t>(info
.pgid
.pool()));
9935 if (oid
.snap
== CEPH_NOSNAP
) {
9936 ObjectContextRef obc
= get_object_context(oid
, can_create
);
9942 dout(10) << "find_object_context " << oid
9944 << " oi=" << obc
->obs
.oi
9951 hobject_t head
= oid
.get_head();
9953 // want the snapdir?
9954 if (oid
.snap
== CEPH_SNAPDIR
) {
9955 // return head or snapdir, whichever exists.
9956 ObjectContextRef headobc
= get_object_context(head
, can_create
);
9957 ObjectContextRef obc
= headobc
;
9958 if (!obc
|| !obc
->obs
.exists
)
9959 obc
= get_object_context(oid
, can_create
);
9960 if (!obc
|| !obc
->obs
.exists
) {
9961 // if we have neither, we would want to promote the head.
9965 *pobc
= headobc
; // may be null
9968 dout(10) << "find_object_context " << oid
9970 << " oi=" << obc
->obs
.oi
9974 // always populate ssc for SNAPDIR...
9976 obc
->ssc
= get_snapset_context(
9982 if (!map_snapid_to_clone
&& pool
.info
.is_removed_snap(oid
.snap
)) {
9983 dout(10) << __func__
<< " snap " << oid
.snap
<< " is removed" << dendl
;
9987 SnapSetContext
*ssc
= get_snapset_context(oid
, can_create
);
9988 if (!ssc
|| !(ssc
->exists
|| can_create
)) {
9989 dout(20) << __func__
<< " " << oid
<< " no snapset" << dendl
;
9991 *pmissing
= head
; // start by getting the head
9993 put_snapset_context(ssc
);
9997 if (map_snapid_to_clone
) {
9998 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9999 << " snapset " << ssc
->snapset
10000 << " map_snapid_to_clone=true" << dendl
;
10001 if (oid
.snap
> ssc
->snapset
.seq
) {
10002 // already must be readable
10003 ObjectContextRef obc
= get_object_context(head
, false);
10004 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10005 << " snapset " << ssc
->snapset
10006 << " maps to head" << dendl
;
10008 put_snapset_context(ssc
);
10009 return (obc
&& obc
->obs
.exists
) ? 0 : -ENOENT
;
10011 vector
<snapid_t
>::const_iterator citer
= std::find(
10012 ssc
->snapset
.clones
.begin(),
10013 ssc
->snapset
.clones
.end(),
10015 if (citer
== ssc
->snapset
.clones
.end()) {
10016 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10017 << " snapset " << ssc
->snapset
10018 << " maps to nothing" << dendl
;
10019 put_snapset_context(ssc
);
10023 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10024 << " snapset " << ssc
->snapset
10025 << " maps to " << oid
<< dendl
;
10027 if (pg_log
.get_missing().is_missing(oid
)) {
10028 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10029 << " snapset " << ssc
->snapset
10030 << " " << oid
<< " is missing" << dendl
;
10033 put_snapset_context(ssc
);
10037 ObjectContextRef obc
= get_object_context(oid
, false);
10038 if (!obc
|| !obc
->obs
.exists
) {
10039 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10040 << " snapset " << ssc
->snapset
10041 << " " << oid
<< " is not present" << dendl
;
10044 put_snapset_context(ssc
);
10047 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10048 << " snapset " << ssc
->snapset
10049 << " " << oid
<< " HIT" << dendl
;
10051 put_snapset_context(ssc
);
10054 ceph_abort(); //unreachable
10057 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10058 << " snapset " << ssc
->snapset
<< dendl
;
10061 if (oid
.snap
> ssc
->snapset
.seq
) {
10062 if (ssc
->snapset
.head_exists
) {
10063 ObjectContextRef obc
= get_object_context(head
, false);
10064 dout(10) << "find_object_context " << head
10065 << " want " << oid
.snap
<< " > snapset seq " << ssc
->snapset
.seq
10066 << " -- HIT " << obc
->obs
10071 assert(ssc
== obc
->ssc
);
10072 put_snapset_context(ssc
);
10077 dout(10) << "find_object_context " << head
10078 << " want " << oid
.snap
<< " > snapset seq " << ssc
->snapset
.seq
10079 << " but head dne -- DNE"
10081 put_snapset_context(ssc
);
10085 // which clone would it be?
10087 while (k
< ssc
->snapset
.clones
.size() &&
10088 ssc
->snapset
.clones
[k
] < oid
.snap
)
10090 if (k
== ssc
->snapset
.clones
.size()) {
10091 dout(10) << "find_object_context no clones with last >= oid.snap "
10092 << oid
.snap
<< " -- DNE" << dendl
;
10093 put_snapset_context(ssc
);
10096 hobject_t
soid(oid
.oid
, oid
.get_key(), ssc
->snapset
.clones
[k
], oid
.get_hash(),
10097 info
.pgid
.pool(), oid
.get_namespace());
10099 if (pg_log
.get_missing().is_missing(soid
)) {
10100 dout(20) << "find_object_context " << soid
<< " missing, try again later"
10104 put_snapset_context(ssc
);
10108 ObjectContextRef obc
= get_object_context(soid
, false);
10109 if (!obc
|| !obc
->obs
.exists
) {
10112 put_snapset_context(ssc
);
10113 if (is_degraded_or_backfilling_object(soid
)) {
10114 dout(20) << __func__
<< " clone is degraded or backfilling " << soid
<< dendl
;
10117 dout(20) << __func__
<< " missing clone " << soid
<< dendl
;
10125 assert(obc
->ssc
== ssc
);
10126 put_snapset_context(ssc
);
10131 dout(20) << "find_object_context " << soid
10132 << " snapset " << obc
->ssc
->snapset
10133 << " legacy_snaps " << obc
->obs
.oi
.legacy_snaps
10135 snapid_t first
, last
;
10136 if (obc
->ssc
->snapset
.is_legacy()) {
10137 first
= obc
->obs
.oi
.legacy_snaps
.back();
10138 last
= obc
->obs
.oi
.legacy_snaps
.front();
10140 auto p
= obc
->ssc
->snapset
.clone_snaps
.find(soid
.snap
);
10141 assert(p
!= obc
->ssc
->snapset
.clone_snaps
.end());
10142 first
= p
->second
.back();
10143 last
= p
->second
.front();
10145 if (first
<= oid
.snap
) {
10146 dout(20) << "find_object_context " << soid
<< " [" << first
<< "," << last
10147 << "] contains " << oid
.snap
<< " -- HIT " << obc
->obs
<< dendl
;
10151 dout(20) << "find_object_context " << soid
<< " [" << first
<< "," << last
10152 << "] does not contain " << oid
.snap
<< " -- DNE" << dendl
;
10157 void PrimaryLogPG::object_context_destructor_callback(ObjectContext
*obc
)
10160 put_snapset_context(obc
->ssc
);
10163 void PrimaryLogPG::add_object_context_to_pg_stat(ObjectContextRef obc
, pg_stat_t
*pgstat
)
10165 object_info_t
& oi
= obc
->obs
.oi
;
10167 dout(10) << "add_object_context_to_pg_stat " << oi
.soid
<< dendl
;
10168 object_stat_sum_t stat
;
10170 stat
.num_bytes
+= oi
.size
;
10172 if (oi
.soid
.snap
!= CEPH_SNAPDIR
)
10173 stat
.num_objects
++;
10175 stat
.num_objects_dirty
++;
10176 if (oi
.is_whiteout())
10177 stat
.num_whiteouts
++;
10179 stat
.num_objects_omap
++;
10180 if (oi
.is_cache_pinned())
10181 stat
.num_objects_pinned
++;
10183 if (oi
.soid
.snap
&& oi
.soid
.snap
!= CEPH_NOSNAP
&& oi
.soid
.snap
!= CEPH_SNAPDIR
) {
10184 stat
.num_object_clones
++;
10187 obc
->ssc
= get_snapset_context(oi
.soid
, false);
10190 // subtract off clone overlap
10191 if (obc
->ssc
->snapset
.clone_overlap
.count(oi
.soid
.snap
)) {
10192 interval_set
<uint64_t>& o
= obc
->ssc
->snapset
.clone_overlap
[oi
.soid
.snap
];
10193 for (interval_set
<uint64_t>::const_iterator r
= o
.begin();
10196 stat
.num_bytes
-= r
.get_len();
10202 pgstat
->stats
.sum
.add(stat
);
10205 void PrimaryLogPG::kick_object_context_blocked(ObjectContextRef obc
)
10207 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
10208 if (obc
->is_blocked()) {
10209 dout(10) << __func__
<< " " << soid
<< " still blocked" << dendl
;
10213 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
= waiting_for_blocked_object
.find(soid
);
10214 if (p
!= waiting_for_blocked_object
.end()) {
10215 list
<OpRequestRef
>& ls
= p
->second
;
10216 dout(10) << __func__
<< " " << soid
<< " requeuing " << ls
.size() << " requests" << dendl
;
10218 waiting_for_blocked_object
.erase(p
);
10221 map
<hobject_t
, ObjectContextRef
>::iterator i
=
10222 objects_blocked_on_snap_promotion
.find(obc
->obs
.oi
.soid
.get_head());
10223 if (i
!= objects_blocked_on_snap_promotion
.end()) {
10224 assert(i
->second
== obc
);
10225 objects_blocked_on_snap_promotion
.erase(i
);
10228 if (obc
->requeue_scrub_on_unblock
) {
10229 obc
->requeue_scrub_on_unblock
= false;
10234 SnapSetContext
*PrimaryLogPG::get_snapset_context(
10235 const hobject_t
& oid
,
10237 const map
<string
, bufferlist
> *attrs
,
10240 Mutex::Locker
l(snapset_contexts_lock
);
10241 SnapSetContext
*ssc
;
10242 map
<hobject_t
, SnapSetContext
*>::iterator p
= snapset_contexts
.find(
10243 oid
.get_snapdir());
10244 if (p
!= snapset_contexts
.end()) {
10245 if (can_create
|| p
->second
->exists
) {
10254 if (!(oid
.is_head() && !oid_existed
))
10255 r
= pgbackend
->objects_get_attr(oid
.get_head(), SS_ATTR
, &bv
);
10258 if (!(oid
.is_snapdir() && !oid_existed
))
10259 r
= pgbackend
->objects_get_attr(oid
.get_snapdir(), SS_ATTR
, &bv
);
10260 if (r
< 0 && !can_create
)
10264 assert(attrs
->count(SS_ATTR
));
10265 bv
= attrs
->find(SS_ATTR
)->second
;
10267 ssc
= new SnapSetContext(oid
.get_snapdir());
10268 _register_snapset_context(ssc
);
10270 bufferlist::iterator bvp
= bv
.begin();
10272 ssc
->snapset
.decode(bvp
);
10273 } catch (buffer::error
& e
) {
10274 dout(0) << __func__
<< " Can't decode snapset: " << e
<< dendl
;
10277 ssc
->exists
= true;
10279 ssc
->exists
= false;
10287 void PrimaryLogPG::put_snapset_context(SnapSetContext
*ssc
)
10289 Mutex::Locker
l(snapset_contexts_lock
);
10291 if (ssc
->ref
== 0) {
10292 if (ssc
->registered
)
10293 snapset_contexts
.erase(ssc
->oid
);
10298 /** pull - request object from a peer
10303 * NONE - didn't pull anything
10304 * YES - pulled what the caller wanted
10305 * OTHER - needed to pull something else first (_head or _snapdir)
10307 enum { PULL_NONE
, PULL_OTHER
, PULL_YES
};
10309 int PrimaryLogPG::recover_missing(
10310 const hobject_t
&soid
, eversion_t v
,
10312 PGBackend::RecoveryHandle
*h
)
10314 if (missing_loc
.is_unfound(soid
)) {
10315 dout(7) << "pull " << soid
10317 << " but it is unfound" << dendl
;
10321 if (missing_loc
.is_deleted(soid
)) {
10322 start_recovery_op(soid
);
10323 assert(!recovering
.count(soid
));
10324 recovering
.insert(make_pair(soid
, ObjectContextRef()));
10325 epoch_t cur_epoch
= get_osdmap()->get_epoch();
10326 remove_missing_object(soid
, v
, new FunctionContext(
10329 if (!pg_has_reset_since(cur_epoch
)) {
10330 bool object_missing
= false;
10331 for (const auto& shard
: actingbackfill
) {
10332 if (shard
== pg_whoami
)
10334 if (peer_missing
[shard
].is_missing(soid
)) {
10335 dout(20) << __func__
<< ": soid " << soid
<< " needs to be deleted from replica " << shard
<< dendl
;
10336 object_missing
= true;
10340 if (!object_missing
) {
10341 object_stat_sum_t stat_diff
;
10342 stat_diff
.num_objects_recovered
= 1;
10343 on_global_recover(soid
, stat_diff
, true);
10345 auto recovery_handle
= pgbackend
->open_recovery_op();
10346 pgbackend
->recover_delete_object(soid
, v
, recovery_handle
);
10347 pgbackend
->run_recovery_op(recovery_handle
, priority
);
10355 // is this a snapped object? if so, consult the snapset.. we may not need the entire object!
10356 ObjectContextRef obc
;
10357 ObjectContextRef head_obc
;
10358 if (soid
.snap
&& soid
.snap
< CEPH_NOSNAP
) {
10359 // do we have the head and/or snapdir?
10360 hobject_t head
= soid
.get_head();
10361 if (pg_log
.get_missing().is_missing(head
)) {
10362 if (recovering
.count(head
)) {
10363 dout(10) << " missing but already recovering head " << head
<< dendl
;
10366 int r
= recover_missing(
10367 head
, pg_log
.get_missing().get_items().find(head
)->second
.need
, priority
,
10369 if (r
!= PULL_NONE
)
10374 head
= soid
.get_snapdir();
10375 if (pg_log
.get_missing().is_missing(head
)) {
10376 if (recovering
.count(head
)) {
10377 dout(10) << " missing but already recovering snapdir " << head
<< dendl
;
10380 int r
= recover_missing(
10381 head
, pg_log
.get_missing().get_items().find(head
)->second
.need
, priority
,
10383 if (r
!= PULL_NONE
)
10389 // we must have one or the other
10390 head_obc
= get_object_context(
10395 head_obc
= get_object_context(
10396 soid
.get_snapdir(),
10401 start_recovery_op(soid
);
10402 assert(!recovering
.count(soid
));
10403 recovering
.insert(make_pair(soid
, obc
));
10404 int r
= pgbackend
->recover_object(
10410 // This is only a pull which shouldn't return an error
10415 void PrimaryLogPG::send_remove_op(
10416 const hobject_t
& oid
, eversion_t v
, pg_shard_t peer
)
10418 ceph_tid_t tid
= osd
->get_tid();
10419 osd_reqid_t
rid(osd
->get_cluster_msgr_name(), 0, tid
);
10421 dout(10) << "send_remove_op " << oid
<< " from osd." << peer
10422 << " tid " << tid
<< dendl
;
10424 MOSDSubOp
*subop
= new MOSDSubOp(
10425 rid
, pg_whoami
, spg_t(info
.pgid
.pgid
, peer
.shard
),
10426 oid
, CEPH_OSD_FLAG_ACK
,
10427 get_osdmap()->get_epoch(), tid
, v
);
10428 subop
->ops
= vector
<OSDOp
>(1);
10429 subop
->ops
[0].op
.op
= CEPH_OSD_OP_DELETE
;
10431 osd
->send_message_osd_cluster(peer
.osd
, subop
, get_osdmap()->get_epoch());
10434 void PrimaryLogPG::remove_missing_object(const hobject_t
&soid
,
10435 eversion_t v
, Context
*on_complete
)
10437 dout(20) << __func__
<< " " << soid
<< " " << v
<< dendl
;
10438 assert(on_complete
!= nullptr);
10440 ObjectStore::Transaction t
;
10441 remove_snap_mapped_object(t
, soid
);
10443 ObjectRecoveryInfo recovery_info
;
10444 recovery_info
.soid
= soid
;
10445 recovery_info
.version
= v
;
10447 epoch_t cur_epoch
= get_osdmap()->get_epoch();
10448 t
.register_on_complete(new FunctionContext(
10451 if (!pg_has_reset_since(cur_epoch
)) {
10452 ObjectStore::Transaction t2
;
10453 on_local_recover(soid
, recovery_info
, ObjectContextRef(), true, &t2
);
10454 t2
.register_on_complete(on_complete
);
10455 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t2
), nullptr);
10460 on_complete
->complete(-EAGAIN
);
10463 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), nullptr);
10467 void PrimaryLogPG::finish_degraded_object(const hobject_t
& oid
)
10469 dout(10) << "finish_degraded_object " << oid
<< dendl
;
10470 if (callbacks_for_degraded_object
.count(oid
)) {
10471 list
<Context
*> contexts
;
10472 contexts
.swap(callbacks_for_degraded_object
[oid
]);
10473 callbacks_for_degraded_object
.erase(oid
);
10474 for (list
<Context
*>::iterator i
= contexts
.begin();
10475 i
!= contexts
.end();
10480 map
<hobject_t
, snapid_t
>::iterator i
= objects_blocked_on_degraded_snap
.find(
10482 if (i
!= objects_blocked_on_degraded_snap
.end() &&
10483 i
->second
== oid
.snap
)
10484 objects_blocked_on_degraded_snap
.erase(i
);
10487 void PrimaryLogPG::_committed_pushed_object(
10488 epoch_t epoch
, eversion_t last_complete
)
10491 if (!pg_has_reset_since(epoch
)) {
10492 dout(10) << "_committed_pushed_object last_complete " << last_complete
<< " now ondisk" << dendl
;
10493 last_complete_ondisk
= last_complete
;
10495 if (last_complete_ondisk
== info
.last_update
) {
10496 if (!is_primary()) {
10497 // Either we are a replica or backfill target.
10498 // we are fully up to date. tell the primary!
10499 osd
->send_message_osd_cluster(
10502 get_osdmap()->get_epoch(),
10503 spg_t(info
.pgid
.pgid
, get_primary().shard
),
10504 last_complete_ondisk
),
10505 get_osdmap()->get_epoch());
10507 calc_min_last_complete_ondisk();
10512 dout(10) << "_committed_pushed_object pg has changed, not touching last_complete_ondisk" << dendl
;
10518 void PrimaryLogPG::_applied_recovered_object(ObjectContextRef obc
)
10521 dout(20) << __func__
<< dendl
;
10523 dout(20) << "obc = " << *obc
<< dendl
;
10525 assert(active_pushes
>= 1);
10528 // requeue an active chunky scrub waiting on recovery ops
10529 if (!deleting
&& active_pushes
== 0
10530 && scrubber
.is_chunky_scrub_active()) {
10531 if (ops_blocked_by_scrub()) {
10532 requeue_scrub(true);
10534 requeue_scrub(false);
10540 void PrimaryLogPG::_applied_recovered_object_replica()
10543 dout(20) << __func__
<< dendl
;
10544 assert(active_pushes
>= 1);
10547 // requeue an active chunky scrub waiting on recovery ops
10548 if (!deleting
&& active_pushes
== 0 &&
10549 scrubber
.active_rep_scrub
&& static_cast<const MOSDRepScrub
*>(
10550 scrubber
.active_rep_scrub
->get_req())->chunky
) {
10553 PGQueueable(scrubber
.active_rep_scrub
, get_osdmap()->get_epoch()));
10554 scrubber
.active_rep_scrub
= OpRequestRef();
10559 void PrimaryLogPG::recover_got(hobject_t oid
, eversion_t v
)
10561 dout(10) << "got missing " << oid
<< " v " << v
<< dendl
;
10562 pg_log
.recover_got(oid
, v
, info
);
10563 if (pg_log
.get_log().complete_to
!= pg_log
.get_log().log
.end()) {
10564 dout(10) << "last_complete now " << info
.last_complete
10565 << " log.complete_to " << pg_log
.get_log().complete_to
->version
10568 dout(10) << "last_complete now " << info
.last_complete
10569 << " log.complete_to at end" << dendl
;
10570 //below is not true in the repair case.
10571 //assert(missing.num_missing() == 0); // otherwise, complete_to was wrong.
10572 assert(info
.last_complete
== info
.last_update
);
10576 void PrimaryLogPG::primary_failed(const hobject_t
&soid
)
10578 list
<pg_shard_t
> fl
= { pg_whoami
};
10579 failed_push(fl
, soid
);
10582 void PrimaryLogPG::failed_push(const list
<pg_shard_t
> &from
, const hobject_t
&soid
)
10584 dout(20) << __func__
<< ": " << soid
<< dendl
;
10585 assert(recovering
.count(soid
));
10586 auto obc
= recovering
[soid
];
10588 list
<OpRequestRef
> blocked_ops
;
10589 obc
->drop_recovery_read(&blocked_ops
);
10590 requeue_ops(blocked_ops
);
10592 recovering
.erase(soid
);
10593 for (auto&& i
: from
)
10594 missing_loc
.remove_location(soid
, i
);
10595 dout(0) << __func__
<< " " << soid
<< " from shard " << from
10596 << ", reps on " << missing_loc
.get_locations(soid
)
10597 << " unfound? " << missing_loc
.is_unfound(soid
) << dendl
;
10598 finish_recovery_op(soid
); // close out this attempt,
10601 void PrimaryLogPG::sub_op_remove(OpRequestRef op
)
10603 const MOSDSubOp
*m
= static_cast<const MOSDSubOp
*>(op
->get_req());
10604 assert(m
->get_type() == MSG_OSD_SUBOP
);
10605 dout(7) << "sub_op_remove " << m
->poid
<< dendl
;
10607 op
->mark_started();
10609 ObjectStore::Transaction t
;
10610 remove_snap_mapped_object(t
, m
->poid
);
10611 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
10615 eversion_t
PrimaryLogPG::pick_newest_available(const hobject_t
& oid
)
10618 pg_missing_item pmi
;
10619 bool is_missing
= pg_log
.get_missing().is_missing(oid
, &pmi
);
10620 assert(is_missing
);
10622 dout(10) << "pick_newest_available " << oid
<< " " << v
<< " on osd." << osd
->whoami
<< " (local)" << dendl
;
10624 assert(!actingbackfill
.empty());
10625 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
10626 i
!= actingbackfill
.end();
10628 if (*i
== get_primary()) continue;
10629 pg_shard_t peer
= *i
;
10630 if (!peer_missing
[peer
].is_missing(oid
)) {
10633 eversion_t h
= peer_missing
[peer
].get_items().at(oid
).have
;
10634 dout(10) << "pick_newest_available " << oid
<< " " << h
<< " on osd." << peer
<< dendl
;
10639 dout(10) << "pick_newest_available " << oid
<< " " << v
<< " (newest)" << dendl
;
10643 void PrimaryLogPG::do_update_log_missing(OpRequestRef
&op
)
10645 const MOSDPGUpdateLogMissing
*m
= static_cast<const MOSDPGUpdateLogMissing
*>(
10647 assert(m
->get_type() == MSG_OSD_PG_UPDATE_LOG_MISSING
);
10648 ObjectStore::Transaction t
;
10649 append_log_entries_update_missing(m
->entries
, t
);
10651 Context
*complete
= new FunctionContext(
10653 const MOSDPGUpdateLogMissing
*msg
= static_cast<const MOSDPGUpdateLogMissing
*>(
10656 if (!pg_has_reset_since(msg
->get_epoch())) {
10657 MOSDPGUpdateLogMissingReply
*reply
=
10658 new MOSDPGUpdateLogMissingReply(
10659 spg_t(info
.pgid
.pgid
, primary_shard().shard
),
10664 reply
->set_priority(CEPH_MSG_PRIO_HIGH
);
10665 msg
->get_connection()->send_message(reply
);
10670 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
10671 t
.register_on_commit(complete
);
10673 /* Hack to work around the fact that ReplicatedBackend sends
10674 * ack+commit if commit happens first
10676 * This behavior is no longer necessary, but we preserve it so old
10677 * primaries can keep their repops in order */
10678 if (pool
.info
.ec_pool()) {
10679 t
.register_on_complete(complete
);
10681 t
.register_on_commit(complete
);
10684 t
.register_on_applied(
10685 new C_OSD_OnApplied
{this, get_osdmap()->get_epoch(), info
.last_update
});
10686 int tr
= osd
->store
->queue_transaction(
10693 void PrimaryLogPG::do_update_log_missing_reply(OpRequestRef
&op
)
10695 const MOSDPGUpdateLogMissingReply
*m
=
10696 static_cast<const MOSDPGUpdateLogMissingReply
*>(
10698 dout(20) << __func__
<< " got reply from "
10699 << m
->get_from() << dendl
;
10701 auto it
= log_entry_update_waiting_on
.find(m
->get_tid());
10702 if (it
!= log_entry_update_waiting_on
.end()) {
10703 if (it
->second
.waiting_on
.count(m
->get_from())) {
10704 it
->second
.waiting_on
.erase(m
->get_from());
10707 << info
.pgid
<< " got reply "
10708 << *m
<< " from shard we are not waiting for "
10712 if (it
->second
.waiting_on
.empty()) {
10713 repop_all_committed(it
->second
.repop
.get());
10714 log_entry_update_waiting_on
.erase(it
);
10718 << info
.pgid
<< " got reply "
10719 << *m
<< " on unknown tid " << m
->get_tid();
10723 /* Mark all unfound objects as lost.
10725 void PrimaryLogPG::mark_all_unfound_lost(
10730 dout(3) << __func__
<< " " << pg_log_entry_t::get_op_name(what
) << dendl
;
10731 list
<hobject_t
> oids
;
10733 dout(30) << __func__
<< ": log before:\n";
10734 pg_log
.get_log().print(*_dout
);
10737 mempool::osd_pglog::list
<pg_log_entry_t
> log_entries
;
10739 utime_t mtime
= ceph_clock_now();
10740 map
<hobject_t
, pg_missing_item
>::const_iterator m
=
10741 missing_loc
.get_needs_recovery().begin();
10742 map
<hobject_t
, pg_missing_item
>::const_iterator mend
=
10743 missing_loc
.get_needs_recovery().end();
10745 ObcLockManager manager
;
10746 eversion_t v
= get_next_version();
10747 v
.epoch
= get_osdmap()->get_epoch();
10748 uint64_t num_unfound
= missing_loc
.num_unfound();
10749 while (m
!= mend
) {
10750 const hobject_t
&oid(m
->first
);
10751 if (!missing_loc
.is_unfound(oid
)) {
10752 // We only care about unfound objects
10757 ObjectContextRef obc
;
10761 case pg_log_entry_t::LOST_MARK
:
10762 assert(0 == "actually, not implemented yet!");
10765 case pg_log_entry_t::LOST_REVERT
:
10766 prev
= pick_newest_available(oid
);
10767 if (prev
> eversion_t()) {
10770 pg_log_entry_t::LOST_REVERT
, oid
, v
,
10771 m
->second
.need
, 0, osd_reqid_t(), mtime
, 0);
10772 e
.reverting_to
= prev
;
10773 e
.mark_unrollbackable();
10774 log_entries
.push_back(e
);
10775 dout(10) << e
<< dendl
;
10777 // we are now missing the new version; recovery code will sort it out.
10783 case pg_log_entry_t::LOST_DELETE
:
10785 pg_log_entry_t
e(pg_log_entry_t::LOST_DELETE
, oid
, v
, m
->second
.need
,
10786 0, osd_reqid_t(), mtime
, 0);
10787 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
10788 if (pool
.info
.require_rollback()) {
10789 e
.mod_desc
.try_rmobject(v
.version
);
10791 e
.mark_unrollbackable();
10793 } // otherwise, just do what we used to do
10794 dout(10) << e
<< dendl
;
10795 log_entries
.push_back(e
);
10796 oids
.push_back(oid
);
10798 // If context found mark object as deleted in case
10799 // of racing with new creation. This can happen if
10800 // object lost and EIO at primary.
10801 obc
= object_contexts
.lookup(oid
);
10803 obc
->obs
.exists
= false;
10815 info
.stats
.stats_invalid
= true;
10817 submit_log_entries(
10819 std::move(manager
),
10820 boost::optional
<std::function
<void(void)> >(
10821 [this, oids
, con
, num_unfound
, tid
]() {
10822 if (perform_deletes_during_peering()) {
10823 for (auto oid
: oids
) {
10824 // clear old locations - merge_new_log_entries will have
10825 // handled rebuilding missing_loc for each of these
10826 // objects if we have the RECOVERY_DELETES flag
10827 missing_loc
.recovered(oid
);
10831 if (is_recovery_unfound()) {
10832 queue_peering_event(
10834 std::make_shared
<CephPeeringEvt
>(
10835 get_osdmap()->get_epoch(),
10836 get_osdmap()->get_epoch(),
10838 } else if (is_backfill_unfound()) {
10839 queue_peering_event(
10841 std::make_shared
<CephPeeringEvt
>(
10842 get_osdmap()->get_epoch(),
10843 get_osdmap()->get_epoch(),
10844 RequestBackfill())));
10850 ss
<< "pg has " << num_unfound
10851 << " objects unfound and apparently lost marking";
10852 string rs
= ss
.str();
10853 dout(0) << "do_command r=" << 0 << " " << rs
<< dendl
;
10854 osd
->clog
->info() << rs
;
10856 MCommandReply
*reply
= new MCommandReply(0, rs
);
10857 reply
->set_tid(tid
);
10858 con
->send_message(reply
);
10864 void PrimaryLogPG::_split_into(pg_t child_pgid
, PG
*child
, unsigned split_bits
)
10866 assert(repop_queue
.empty());
10870 * pg status change notification
10873 void PrimaryLogPG::apply_and_flush_repops(bool requeue
)
10875 list
<OpRequestRef
> rq
;
10877 // apply all repops
10878 while (!repop_queue
.empty()) {
10879 RepGather
*repop
= repop_queue
.front();
10880 repop_queue
.pop_front();
10881 dout(10) << " canceling repop tid " << repop
->rep_tid
<< dendl
;
10882 repop
->rep_aborted
= true;
10883 repop
->on_applied
.clear();
10884 repop
->on_committed
.clear();
10885 repop
->on_success
.clear();
10889 dout(10) << " requeuing " << *repop
->op
->get_req() << dendl
;
10890 rq
.push_back(repop
->op
);
10891 repop
->op
= OpRequestRef();
10894 // also requeue any dups, interleaved into position
10895 map
<eversion_t
, list
<pair
<OpRequestRef
, version_t
> > >::iterator p
=
10896 waiting_for_ondisk
.find(repop
->v
);
10897 if (p
!= waiting_for_ondisk
.end()) {
10898 dout(10) << " also requeuing ondisk waiters " << p
->second
<< dendl
;
10899 for (list
<pair
<OpRequestRef
, version_t
> >::iterator i
=
10901 i
!= p
->second
.end();
10903 rq
.push_back(i
->first
);
10905 waiting_for_ondisk
.erase(p
);
10909 remove_repop(repop
);
10912 assert(repop_queue
.empty());
10916 if (!waiting_for_ondisk
.empty()) {
10917 for (map
<eversion_t
, list
<pair
<OpRequestRef
, version_t
> > >::iterator i
=
10918 waiting_for_ondisk
.begin();
10919 i
!= waiting_for_ondisk
.end();
10921 for (list
<pair
<OpRequestRef
, version_t
> >::iterator j
=
10923 j
!= i
->second
.end();
10925 derr
<< __func__
<< ": op " << *(j
->first
->get_req()) << " waiting on "
10926 << i
->first
<< dendl
;
10929 assert(waiting_for_ondisk
.empty());
10933 waiting_for_ondisk
.clear();
10936 void PrimaryLogPG::on_flushed()
10938 assert(flushes_in_progress
> 0);
10939 flushes_in_progress
--;
10940 if (flushes_in_progress
== 0) {
10941 requeue_ops(waiting_for_flush
);
10943 if (!is_peered() || !is_primary()) {
10944 pair
<hobject_t
, ObjectContextRef
> i
;
10945 while (object_contexts
.get_next(i
.first
, &i
)) {
10946 derr
<< "on_flushed: object " << i
.first
<< " obc still alive" << dendl
;
10948 assert(object_contexts
.empty());
10950 pgbackend
->on_flushed();
10953 void PrimaryLogPG::on_removal(ObjectStore::Transaction
*t
)
10955 dout(10) << "on_removal" << dendl
;
10957 // adjust info to backfill
10958 info
.set_last_backfill(hobject_t());
10959 pg_log
.reset_backfill();
10964 PGLogEntryHandler rollbacker
{this, t
};
10965 pg_log
.roll_forward(&rollbacker
);
10967 write_if_dirty(*t
);
10973 void PrimaryLogPG::clear_async_reads()
10975 dout(10) << __func__
<< dendl
;
10976 for(auto& i
: in_progress_async_reads
) {
10977 dout(10) << "clear ctx: "
10978 << "OpRequestRef " << i
.first
10979 << " OpContext " << i
.second
10981 close_op_ctx(i
.second
);
10985 void PrimaryLogPG::on_shutdown()
10987 dout(10) << "on_shutdown" << dendl
;
10989 // remove from queues
10990 osd
->pg_stat_queue_dequeue(this);
10991 osd
->peering_wq
.dequeue(this);
10993 // handles queue races
10996 if (recovery_queued
) {
10997 recovery_queued
= false;
10998 osd
->clear_queued_recovery(this);
11001 clear_scrub_reserved();
11002 scrub_clear_state();
11004 unreg_next_scrub();
11005 cancel_copy_ops(false);
11006 cancel_flush_ops(false);
11007 cancel_proxy_ops(false);
11008 apply_and_flush_repops(false);
11009 cancel_log_updates();
11010 // we must remove PGRefs, so do this this prior to release_backoffs() callers
11012 // clean up snap trim references
11013 snap_trimmer_machine
.process_event(Reset());
11015 pgbackend
->on_change();
11017 context_registry_on_change();
11018 object_contexts
.clear();
11020 clear_async_reads();
11022 osd
->remote_reserver
.cancel_reservation(info
.pgid
);
11023 osd
->local_reserver
.cancel_reservation(info
.pgid
);
11025 clear_primary_state();
11029 void PrimaryLogPG::on_activate()
11032 if (needs_recovery()) {
11033 dout(10) << "activate not all replicas are up-to-date, queueing recovery" << dendl
;
11034 queue_peering_event(
11036 std::make_shared
<CephPeeringEvt
>(
11037 get_osdmap()->get_epoch(),
11038 get_osdmap()->get_epoch(),
11040 } else if (needs_backfill()) {
11041 dout(10) << "activate queueing backfill" << dendl
;
11042 queue_peering_event(
11044 std::make_shared
<CephPeeringEvt
>(
11045 get_osdmap()->get_epoch(),
11046 get_osdmap()->get_epoch(),
11047 RequestBackfill())));
11049 dout(10) << "activate all replicas clean, no recovery" << dendl
;
11050 eio_errors_to_process
= false;
11051 queue_peering_event(
11053 std::make_shared
<CephPeeringEvt
>(
11054 get_osdmap()->get_epoch(),
11055 get_osdmap()->get_epoch(),
11056 AllReplicasRecovered())));
11059 publish_stats_to_osd();
11061 if (!backfill_targets
.empty()) {
11062 last_backfill_started
= earliest_backfill();
11063 new_backfill
= true;
11064 assert(!last_backfill_started
.is_max());
11065 dout(5) << "on activate: bft=" << backfill_targets
11066 << " from " << last_backfill_started
<< dendl
;
11067 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11068 i
!= backfill_targets
.end();
11070 dout(5) << "target shard " << *i
11071 << " from " << peer_info
[*i
].last_backfill
11080 void PrimaryLogPG::_on_new_interval()
11082 dout(20) << __func__
<< " checking missing set deletes flag. missing = " << pg_log
.get_missing() << dendl
;
11083 if (!pg_log
.get_missing().may_include_deletes
&&
11084 get_osdmap()->test_flag(CEPH_OSDMAP_RECOVERY_DELETES
)) {
11085 pg_log
.rebuild_missing_set_with_deletes(osd
->store
, coll
, info
);
11087 assert(pg_log
.get_missing().may_include_deletes
== get_osdmap()->test_flag(CEPH_OSDMAP_RECOVERY_DELETES
));
11090 void PrimaryLogPG::on_change(ObjectStore::Transaction
*t
)
11092 dout(10) << "on_change" << dendl
;
11094 if (hit_set
&& hit_set
->insert_count() == 0) {
11095 dout(20) << " discarding empty hit_set" << dendl
;
11099 if (recovery_queued
) {
11100 recovery_queued
= false;
11101 osd
->clear_queued_recovery(this);
11104 // requeue everything in the reverse order they should be
11106 requeue_ops(waiting_for_peered
);
11107 requeue_ops(waiting_for_flush
);
11108 requeue_ops(waiting_for_active
);
11110 clear_scrub_reserved();
11112 cancel_copy_ops(is_primary());
11113 cancel_flush_ops(is_primary());
11114 cancel_proxy_ops(is_primary());
11116 // requeue object waiters
11117 for (auto& p
: waiting_for_unreadable_object
) {
11118 release_backoffs(p
.first
);
11120 if (is_primary()) {
11121 requeue_object_waiters(waiting_for_unreadable_object
);
11123 waiting_for_unreadable_object
.clear();
11125 for (map
<hobject_t
,list
<OpRequestRef
>>::iterator p
= waiting_for_degraded_object
.begin();
11126 p
!= waiting_for_degraded_object
.end();
11127 waiting_for_degraded_object
.erase(p
++)) {
11128 release_backoffs(p
->first
);
11130 requeue_ops(p
->second
);
11133 finish_degraded_object(p
->first
);
11136 // requeues waiting_for_scrub
11137 scrub_clear_state();
11139 for (auto p
= waiting_for_blocked_object
.begin();
11140 p
!= waiting_for_blocked_object
.end();
11141 waiting_for_blocked_object
.erase(p
++)) {
11143 requeue_ops(p
->second
);
11147 for (auto i
= callbacks_for_degraded_object
.begin();
11148 i
!= callbacks_for_degraded_object
.end();
11150 finish_degraded_object((i
++)->first
);
11152 assert(callbacks_for_degraded_object
.empty());
11154 if (is_primary()) {
11155 requeue_ops(waiting_for_cache_not_full
);
11157 waiting_for_cache_not_full
.clear();
11159 objects_blocked_on_cache_full
.clear();
11161 for (list
<pair
<OpRequestRef
, OpContext
*> >::iterator i
=
11162 in_progress_async_reads
.begin();
11163 i
!= in_progress_async_reads
.end();
11164 in_progress_async_reads
.erase(i
++)) {
11165 close_op_ctx(i
->second
);
11167 requeue_op(i
->first
);
11170 // this will requeue ops we were working on but didn't finish, and
11172 apply_and_flush_repops(is_primary());
11173 cancel_log_updates();
11175 // do this *after* apply_and_flush_repops so that we catch any newly
11176 // registered watches.
11177 context_registry_on_change();
11179 pgbackend
->on_change_cleanup(t
);
11180 scrubber
.cleanup_store(t
);
11181 pgbackend
->on_change();
11183 // clear snap_trimmer state
11184 snap_trimmer_machine
.process_event(Reset());
11186 debug_op_order
.clear();
11187 unstable_stats
.clear();
11189 // we don't want to cache object_contexts through the interval change
11190 // NOTE: we actually assert that all currently live references are dead
11191 // by the time the flush for the next interval completes.
11192 object_contexts
.clear();
11194 // should have been cleared above by finishing all of the degraded objects
11195 assert(objects_blocked_on_degraded_snap
.empty());
11198 void PrimaryLogPG::on_role_change()
11200 dout(10) << "on_role_change" << dendl
;
11201 if (get_role() != 0 && hit_set
) {
11202 dout(10) << " clearing hit set" << dendl
;
11207 void PrimaryLogPG::on_pool_change()
11209 dout(10) << __func__
<< dendl
;
11210 // requeue cache full waiters just in case the cache_mode is
11211 // changing away from writeback mode. note that if we are not
11212 // active the normal requeuing machinery is sufficient (and properly
11215 pool
.info
.cache_mode
!= pg_pool_t::CACHEMODE_WRITEBACK
&&
11216 !waiting_for_cache_not_full
.empty()) {
11217 dout(10) << __func__
<< " requeuing full waiters (not in writeback) "
11219 requeue_ops(waiting_for_cache_not_full
);
11220 objects_blocked_on_cache_full
.clear();
11226 // clear state. called on recovery completion AND cancellation.
11227 void PrimaryLogPG::_clear_recovery_state()
11229 missing_loc
.clear();
11230 #ifdef DEBUG_RECOVERY_OIDS
11231 recovering_oids
.clear();
11233 last_backfill_started
= hobject_t();
11234 set
<hobject_t
>::iterator i
= backfills_in_flight
.begin();
11235 while (i
!= backfills_in_flight
.end()) {
11236 assert(recovering
.count(*i
));
11237 backfills_in_flight
.erase(i
++);
11240 list
<OpRequestRef
> blocked_ops
;
11241 for (map
<hobject_t
, ObjectContextRef
>::iterator i
= recovering
.begin();
11242 i
!= recovering
.end();
11243 recovering
.erase(i
++)) {
11245 i
->second
->drop_recovery_read(&blocked_ops
);
11246 requeue_ops(blocked_ops
);
11249 assert(backfills_in_flight
.empty());
11250 pending_backfill_updates
.clear();
11251 assert(recovering
.empty());
11252 pgbackend
->clear_recovery_state();
11255 void PrimaryLogPG::cancel_pull(const hobject_t
&soid
)
11257 dout(20) << __func__
<< ": " << soid
<< dendl
;
11258 assert(recovering
.count(soid
));
11259 ObjectContextRef obc
= recovering
[soid
];
11261 list
<OpRequestRef
> blocked_ops
;
11262 obc
->drop_recovery_read(&blocked_ops
);
11263 requeue_ops(blocked_ops
);
11265 recovering
.erase(soid
);
11266 finish_recovery_op(soid
);
11267 release_backoffs(soid
);
11268 if (waiting_for_degraded_object
.count(soid
)) {
11269 dout(20) << " kicking degraded waiters on " << soid
<< dendl
;
11270 requeue_ops(waiting_for_degraded_object
[soid
]);
11271 waiting_for_degraded_object
.erase(soid
);
11273 if (waiting_for_unreadable_object
.count(soid
)) {
11274 dout(20) << " kicking unreadable waiters on " << soid
<< dendl
;
11275 requeue_ops(waiting_for_unreadable_object
[soid
]);
11276 waiting_for_unreadable_object
.erase(soid
);
11278 if (is_missing_object(soid
))
11279 pg_log
.set_last_requested(0); // get recover_primary to start over
11280 finish_degraded_object(soid
);
11283 void PrimaryLogPG::check_recovery_sources(const OSDMapRef
& osdmap
)
11286 * check that any peers we are planning to (or currently) pulling
11287 * objects from are dealt with.
11289 missing_loc
.check_recovery_sources(osdmap
);
11290 pgbackend
->check_recovery_sources(osdmap
);
11292 for (set
<pg_shard_t
>::iterator i
= peer_log_requested
.begin();
11293 i
!= peer_log_requested
.end();
11295 if (!osdmap
->is_up(i
->osd
)) {
11296 dout(10) << "peer_log_requested removing " << *i
<< dendl
;
11297 peer_log_requested
.erase(i
++);
11303 for (set
<pg_shard_t
>::iterator i
= peer_missing_requested
.begin();
11304 i
!= peer_missing_requested
.end();
11306 if (!osdmap
->is_up(i
->osd
)) {
11307 dout(10) << "peer_missing_requested removing " << *i
<< dendl
;
11308 peer_missing_requested
.erase(i
++);
11315 void PG::MissingLoc::check_recovery_sources(const OSDMapRef
& osdmap
)
11317 set
<pg_shard_t
> now_down
;
11318 for (set
<pg_shard_t
>::iterator p
= missing_loc_sources
.begin();
11319 p
!= missing_loc_sources
.end();
11321 if (osdmap
->is_up(p
->osd
)) {
11325 ldout(pg
->cct
, 10) << "check_recovery_sources source osd." << *p
<< " now down" << dendl
;
11326 now_down
.insert(*p
);
11327 missing_loc_sources
.erase(p
++);
11330 if (now_down
.empty()) {
11331 ldout(pg
->cct
, 10) << "check_recovery_sources no source osds (" << missing_loc_sources
<< ") went down" << dendl
;
11333 ldout(pg
->cct
, 10) << "check_recovery_sources sources osds " << now_down
<< " now down, remaining sources are "
11334 << missing_loc_sources
<< dendl
;
11336 // filter missing_loc
11337 map
<hobject_t
, set
<pg_shard_t
>>::iterator p
= missing_loc
.begin();
11338 while (p
!= missing_loc
.end()) {
11339 set
<pg_shard_t
>::iterator q
= p
->second
.begin();
11340 while (q
!= p
->second
.end())
11341 if (now_down
.count(*q
)) {
11342 p
->second
.erase(q
++);
11346 if (p
->second
.empty())
11347 missing_loc
.erase(p
++);
11355 bool PrimaryLogPG::start_recovery_ops(
11357 ThreadPool::TPHandle
&handle
,
11358 uint64_t *ops_started
)
11360 uint64_t& started
= *ops_started
;
11362 bool work_in_progress
= false;
11363 assert(is_primary());
11365 if (!state_test(PG_STATE_RECOVERING
) &&
11366 !state_test(PG_STATE_BACKFILLING
)) {
11367 /* TODO: I think this case is broken and will make do_recovery()
11368 * unhappy since we're returning false */
11369 dout(10) << "recovery raced and were queued twice, ignoring!" << dendl
;
11373 const auto &missing
= pg_log
.get_missing();
11375 unsigned int num_missing
= missing
.num_missing();
11376 uint64_t num_unfound
= get_num_unfound();
11378 if (num_missing
== 0) {
11379 info
.last_complete
= info
.last_update
;
11382 if (num_missing
== num_unfound
) {
11383 // All of the missing objects we have are unfound.
11384 // Recover the replicas.
11385 started
= recover_replicas(max
, handle
);
11388 // We still have missing objects that we should grab from replicas.
11389 started
+= recover_primary(max
, handle
);
11391 if (!started
&& num_unfound
!= get_num_unfound()) {
11392 // second chance to recovery replicas
11393 started
= recover_replicas(max
, handle
);
11397 work_in_progress
= true;
11399 bool deferred_backfill
= false;
11400 if (recovering
.empty() &&
11401 state_test(PG_STATE_BACKFILLING
) &&
11402 !backfill_targets
.empty() && started
< max
&&
11403 missing
.num_missing() == 0 &&
11404 waiting_on_backfill
.empty()) {
11405 if (get_osdmap()->test_flag(CEPH_OSDMAP_NOBACKFILL
)) {
11406 dout(10) << "deferring backfill due to NOBACKFILL" << dendl
;
11407 deferred_backfill
= true;
11408 } else if (get_osdmap()->test_flag(CEPH_OSDMAP_NOREBALANCE
) &&
11410 dout(10) << "deferring backfill due to NOREBALANCE" << dendl
;
11411 deferred_backfill
= true;
11412 } else if (!backfill_reserved
) {
11413 dout(10) << "deferring backfill due to !backfill_reserved" << dendl
;
11414 if (!backfill_reserving
) {
11415 dout(10) << "queueing RequestBackfill" << dendl
;
11416 backfill_reserving
= true;
11417 queue_peering_event(
11419 std::make_shared
<CephPeeringEvt
>(
11420 get_osdmap()->get_epoch(),
11421 get_osdmap()->get_epoch(),
11422 RequestBackfill())));
11424 deferred_backfill
= true;
11426 started
+= recover_backfill(max
- started
, handle
, &work_in_progress
);
11430 dout(10) << " started " << started
<< dendl
;
11431 osd
->logger
->inc(l_osd_rop
, started
);
11433 if (!recovering
.empty() ||
11434 work_in_progress
|| recovery_ops_active
> 0 || deferred_backfill
)
11435 return work_in_progress
;
11437 assert(recovering
.empty());
11438 assert(recovery_ops_active
== 0);
11440 dout(10) << __func__
<< " needs_recovery: "
11441 << missing_loc
.get_needs_recovery()
11443 dout(10) << __func__
<< " missing_loc: "
11444 << missing_loc
.get_missing_locs()
11446 int unfound
= get_num_unfound();
11448 dout(10) << " still have " << unfound
<< " unfound" << dendl
;
11449 return work_in_progress
;
11452 if (missing
.num_missing() > 0) {
11453 // this shouldn't happen!
11454 osd
->clog
->error() << info
.pgid
<< " Unexpected Error: recovery ending with "
11455 << missing
.num_missing() << ": " << missing
.get_items();
11456 return work_in_progress
;
11459 if (needs_recovery()) {
11460 // this shouldn't happen!
11461 // We already checked num_missing() so we must have missing replicas
11462 osd
->clog
->error() << info
.pgid
11463 << " Unexpected Error: recovery ending with missing replicas";
11464 return work_in_progress
;
11467 if (state_test(PG_STATE_RECOVERING
)) {
11468 state_clear(PG_STATE_RECOVERING
);
11469 state_clear(PG_STATE_FORCED_RECOVERY
);
11470 if (needs_backfill()) {
11471 dout(10) << "recovery done, queuing backfill" << dendl
;
11472 queue_peering_event(
11474 std::make_shared
<CephPeeringEvt
>(
11475 get_osdmap()->get_epoch(),
11476 get_osdmap()->get_epoch(),
11477 RequestBackfill())));
11479 dout(10) << "recovery done, no backfill" << dendl
;
11480 eio_errors_to_process
= false;
11481 state_clear(PG_STATE_FORCED_BACKFILL
);
11482 queue_peering_event(
11484 std::make_shared
<CephPeeringEvt
>(
11485 get_osdmap()->get_epoch(),
11486 get_osdmap()->get_epoch(),
11487 AllReplicasRecovered())));
11489 } else { // backfilling
11490 state_clear(PG_STATE_BACKFILLING
);
11491 state_clear(PG_STATE_FORCED_BACKFILL
);
11492 state_clear(PG_STATE_FORCED_RECOVERY
);
11493 dout(10) << "recovery done, backfill done" << dendl
;
11494 eio_errors_to_process
= false;
11495 queue_peering_event(
11497 std::make_shared
<CephPeeringEvt
>(
11498 get_osdmap()->get_epoch(),
11499 get_osdmap()->get_epoch(),
11507 * do one recovery op.
11508 * return true if done, false if nothing left to do.
11510 uint64_t PrimaryLogPG::recover_primary(uint64_t max
, ThreadPool::TPHandle
&handle
)
11512 assert(is_primary());
11514 const auto &missing
= pg_log
.get_missing();
11516 dout(10) << "recover_primary recovering " << recovering
.size()
11517 << " in pg" << dendl
;
11518 dout(10) << "recover_primary " << missing
<< dendl
;
11519 dout(25) << "recover_primary " << missing
.get_items() << dendl
;
11522 pg_log_entry_t
*latest
= 0;
11523 unsigned started
= 0;
11526 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11527 map
<version_t
, hobject_t
>::const_iterator p
=
11528 missing
.get_rmissing().lower_bound(pg_log
.get_log().last_requested
);
11529 while (p
!= missing
.get_rmissing().end()) {
11530 handle
.reset_tp_timeout();
11532 version_t v
= p
->first
;
11534 if (pg_log
.get_log().objects
.count(p
->second
)) {
11535 latest
= pg_log
.get_log().objects
.find(p
->second
)->second
;
11536 assert(latest
->is_update() || latest
->is_delete());
11537 soid
= latest
->soid
;
11542 const pg_missing_item
& item
= missing
.get_items().find(p
->second
)->second
;
11545 hobject_t head
= soid
.get_head();
11547 eversion_t need
= item
.need
;
11549 dout(10) << "recover_primary "
11550 << soid
<< " " << item
.need
11551 << (missing
.is_missing(soid
) ? " (missing)":"")
11552 << (missing
.is_missing(head
) ? " (missing head)":"")
11553 << (recovering
.count(soid
) ? " (recovering)":"")
11554 << (recovering
.count(head
) ? " (recovering head)":"")
11558 switch (latest
->op
) {
11559 case pg_log_entry_t::CLONE
:
11561 * Handling for this special case removed for now, until we
11562 * can correctly construct an accurate SnapSet from the old
11567 case pg_log_entry_t::LOST_REVERT
:
11569 if (item
.have
== latest
->reverting_to
) {
11570 ObjectContextRef obc
= get_object_context(soid
, true);
11572 if (obc
->obs
.oi
.version
== latest
->version
) {
11573 // I'm already reverting
11574 dout(10) << " already reverting " << soid
<< dendl
;
11576 dout(10) << " reverting " << soid
<< " to " << latest
->prior_version
<< dendl
;
11577 obc
->ondisk_write_lock();
11578 obc
->obs
.oi
.version
= latest
->version
;
11580 ObjectStore::Transaction t
;
11582 obc
->obs
.oi
.encode(
11584 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
11585 assert(!pool
.info
.require_rollback());
11586 t
.setattr(coll
, ghobject_t(soid
), OI_ATTR
, b2
);
11588 recover_got(soid
, latest
->version
);
11589 missing_loc
.add_location(soid
, pg_whoami
);
11593 osd
->store
->queue_transaction(osr
.get(), std::move(t
),
11594 new C_OSD_AppliedRecoveredObject(this, obc
),
11595 new C_OSD_CommittedPushedObject(
11597 get_osdmap()->get_epoch(),
11598 info
.last_complete
),
11599 new C_OSD_OndiskWriteUnlock(obc
));
11604 * Pull the old version of the object. Update missing_loc here to have the location
11605 * of the version we want.
11607 * This doesn't use the usual missing_loc paths, but that's okay:
11608 * - if we have it locally, we hit the case above, and go from there.
11609 * - if we don't, we always pass through this case during recovery and set up the location
11611 * - this way we don't need to mangle the missing code to be general about needing an old
11614 eversion_t alternate_need
= latest
->reverting_to
;
11615 dout(10) << " need to pull prior_version " << alternate_need
<< " for revert " << item
<< dendl
;
11617 for (map
<pg_shard_t
, pg_missing_t
>::iterator p
= peer_missing
.begin();
11618 p
!= peer_missing
.end();
11620 if (p
->second
.is_missing(soid
, need
) &&
11621 p
->second
.get_items().at(soid
).have
== alternate_need
) {
11622 missing_loc
.add_location(soid
, p
->first
);
11624 dout(10) << " will pull " << alternate_need
<< " or " << need
11625 << " from one of " << missing_loc
.get_locations(soid
)
11633 if (!recovering
.count(soid
)) {
11634 if (recovering
.count(head
)) {
11637 int r
= recover_missing(
11638 soid
, need
, get_recovery_op_priority(), h
);
11651 if (started
>= max
)
11656 // only advance last_requested if we haven't skipped anything
11658 pg_log
.set_last_requested(v
);
11661 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11665 bool PrimaryLogPG::primary_error(
11666 const hobject_t
& soid
, eversion_t v
)
11668 pg_log
.missing_add(soid
, v
, eversion_t());
11669 pg_log
.set_last_requested(0);
11670 missing_loc
.remove_location(soid
, pg_whoami
);
11672 assert(!actingbackfill
.empty());
11673 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
11674 i
!= actingbackfill
.end();
11676 if (*i
== get_primary()) continue;
11677 pg_shard_t peer
= *i
;
11678 if (!peer_missing
[peer
].is_missing(soid
, v
)) {
11679 missing_loc
.add_location(soid
, peer
);
11680 dout(10) << info
.pgid
<< " unexpectedly missing " << soid
<< " v" << v
11681 << ", there should be a copy on shard " << peer
<< dendl
;
11686 osd
->clog
->error() << info
.pgid
<< " missing primary copy of " << soid
<< ", unfound";
11688 osd
->clog
->error() << info
.pgid
<< " missing primary copy of " << soid
11689 << ", will try copies on " << missing_loc
.get_locations(soid
);
11693 int PrimaryLogPG::prep_object_replica_deletes(
11694 const hobject_t
& soid
, eversion_t v
,
11695 PGBackend::RecoveryHandle
*h
)
11697 assert(is_primary());
11698 dout(10) << __func__
<< ": on " << soid
<< dendl
;
11700 start_recovery_op(soid
);
11701 assert(!recovering
.count(soid
));
11702 recovering
.insert(make_pair(soid
, ObjectContextRef()));
11704 pgbackend
->recover_delete_object(soid
, v
, h
);
11708 int PrimaryLogPG::prep_object_replica_pushes(
11709 const hobject_t
& soid
, eversion_t v
,
11710 PGBackend::RecoveryHandle
*h
)
11712 assert(is_primary());
11713 dout(10) << __func__
<< ": on " << soid
<< dendl
;
11715 // NOTE: we know we will get a valid oloc off of disk here.
11716 ObjectContextRef obc
= get_object_context(soid
, false);
11718 primary_error(soid
, v
);
11722 if (!obc
->get_recovery_read()) {
11723 dout(20) << "recovery delayed on " << soid
11724 << "; could not get rw_manager lock" << dendl
;
11727 dout(20) << "recovery got recovery read lock on " << soid
11731 start_recovery_op(soid
);
11732 assert(!recovering
.count(soid
));
11733 recovering
.insert(make_pair(soid
, obc
));
11735 /* We need this in case there is an in progress write on the object. In fact,
11736 * the only possible write is an update to the xattr due to a lost_revert --
11737 * a client write would be blocked since the object is degraded.
11738 * In almost all cases, therefore, this lock should be uncontended.
11740 obc
->ondisk_read_lock();
11741 int r
= pgbackend
->recover_object(
11744 ObjectContextRef(),
11745 obc
, // has snapset context
11747 obc
->ondisk_read_unlock();
11749 dout(0) << __func__
<< " Error " << r
<< " on oid " << soid
<< dendl
;
11750 primary_failed(soid
);
11751 primary_error(soid
, v
);
11757 uint64_t PrimaryLogPG::recover_replicas(uint64_t max
, ThreadPool::TPHandle
&handle
)
11759 dout(10) << __func__
<< "(" << max
<< ")" << dendl
;
11760 uint64_t started
= 0;
11762 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11764 // this is FAR from an optimal recovery order. pretty lame, really.
11765 assert(!actingbackfill
.empty());
11766 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
11767 i
!= actingbackfill
.end();
11769 if (*i
== get_primary()) continue;
11770 pg_shard_t peer
= *i
;
11771 map
<pg_shard_t
, pg_missing_t
>::const_iterator pm
= peer_missing
.find(peer
);
11772 assert(pm
!= peer_missing
.end());
11773 map
<pg_shard_t
, pg_info_t
>::const_iterator pi
= peer_info
.find(peer
);
11774 assert(pi
!= peer_info
.end());
11775 size_t m_sz
= pm
->second
.num_missing();
11777 dout(10) << " peer osd." << peer
<< " missing " << m_sz
<< " objects." << dendl
;
11778 dout(20) << " peer osd." << peer
<< " missing " << pm
->second
.get_items() << dendl
;
11781 const pg_missing_t
&m(pm
->second
);
11782 for (map
<version_t
, hobject_t
>::const_iterator p
= m
.get_rmissing().begin();
11783 p
!= m
.get_rmissing().end() && started
< max
;
11785 handle
.reset_tp_timeout();
11786 const hobject_t
soid(p
->second
);
11788 if (missing_loc
.is_unfound(soid
)) {
11789 dout(10) << __func__
<< ": " << soid
<< " still unfound" << dendl
;
11793 if (soid
> pi
->second
.last_backfill
) {
11794 if (!recovering
.count(soid
)) {
11795 derr
<< __func__
<< ": object " << soid
<< " last_backfill " << pi
->second
.last_backfill
<< dendl
;
11796 derr
<< __func__
<< ": object added to missing set for backfill, but "
11797 << "is not in recovering, error!" << dendl
;
11803 if (recovering
.count(soid
)) {
11804 dout(10) << __func__
<< ": already recovering " << soid
<< dendl
;
11808 if (missing_loc
.is_deleted(soid
)) {
11809 dout(10) << __func__
<< ": " << soid
<< " is a delete, removing" << dendl
;
11810 map
<hobject_t
,pg_missing_item
>::const_iterator r
= m
.get_items().find(soid
);
11811 started
+= prep_object_replica_deletes(soid
, r
->second
.need
, h
);
11815 if (soid
.is_snap() && pg_log
.get_missing().is_missing(soid
.get_head())) {
11816 dout(10) << __func__
<< ": " << soid
.get_head()
11817 << " still missing on primary" << dendl
;
11821 if (soid
.is_snap() && pg_log
.get_missing().is_missing(soid
.get_snapdir())) {
11822 dout(10) << __func__
<< ": " << soid
.get_snapdir()
11823 << " still missing on primary" << dendl
;
11827 if (pg_log
.get_missing().is_missing(soid
)) {
11828 dout(10) << __func__
<< ": " << soid
<< " still missing on primary" << dendl
;
11832 dout(10) << __func__
<< ": recover_object_replicas(" << soid
<< ")" << dendl
;
11833 map
<hobject_t
,pg_missing_item
>::const_iterator r
= m
.get_items().find(soid
);
11834 started
+= prep_object_replica_pushes(soid
, r
->second
.need
,
11839 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11843 hobject_t
PrimaryLogPG::earliest_peer_backfill() const
11845 hobject_t e
= hobject_t::get_max();
11846 for (set
<pg_shard_t
>::const_iterator i
= backfill_targets
.begin();
11847 i
!= backfill_targets
.end();
11849 pg_shard_t peer
= *i
;
11850 map
<pg_shard_t
, BackfillInterval
>::const_iterator iter
=
11851 peer_backfill_info
.find(peer
);
11852 assert(iter
!= peer_backfill_info
.end());
11853 if (iter
->second
.begin
< e
)
11854 e
= iter
->second
.begin
;
11859 bool PrimaryLogPG::all_peer_done() const
11861 // Primary hasn't got any more objects
11862 assert(backfill_info
.empty());
11864 for (set
<pg_shard_t
>::const_iterator i
= backfill_targets
.begin();
11865 i
!= backfill_targets
.end();
11867 pg_shard_t bt
= *i
;
11868 map
<pg_shard_t
, BackfillInterval
>::const_iterator piter
=
11869 peer_backfill_info
.find(bt
);
11870 assert(piter
!= peer_backfill_info
.end());
11871 const BackfillInterval
& pbi
= piter
->second
;
11872 // See if peer has more to process
11873 if (!pbi
.extends_to_end() || !pbi
.empty())
11884 * backfilled: fully pushed to replica or present in replica's missing set (both
11885 * our copy and theirs).
11887 * All objects on a backfill_target in
11888 * [MIN,peer_backfill_info[backfill_target].begin) are valid; logically-removed
11889 * objects have been actually deleted and all logically-valid objects are replicated.
11890 * There may be PG objects in this interval yet to be backfilled.
11892 * All objects in PG in [MIN,backfill_info.begin) have been backfilled to all
11893 * backfill_targets. There may be objects on backfill_target(s) yet to be deleted.
11895 * For a backfill target, all objects < MIN(peer_backfill_info[target].begin,
11896 * backfill_info.begin) in PG are backfilled. No deleted objects in this
11897 * interval remain on the backfill target.
11899 * For a backfill target, all objects <= peer_info[target].last_backfill
11900 * have been backfilled to target
11902 * There *MAY* be missing/outdated objects between last_backfill_started and
11903 * MIN(peer_backfill_info[*].begin, backfill_info.begin) in the event that client
11904 * io created objects since the last scan. For this reason, we call
11905 * update_range() again before continuing backfill.
11907 uint64_t PrimaryLogPG::recover_backfill(
11909 ThreadPool::TPHandle
&handle
, bool *work_started
)
11911 dout(10) << "recover_backfill (" << max
<< ")"
11912 << " bft=" << backfill_targets
11913 << " last_backfill_started " << last_backfill_started
11914 << (new_backfill
? " new_backfill":"")
11916 assert(!backfill_targets
.empty());
11918 // Initialize from prior backfill state
11919 if (new_backfill
) {
11920 // on_activate() was called prior to getting here
11921 assert(last_backfill_started
== earliest_backfill());
11922 new_backfill
= false;
11924 // initialize BackfillIntervals
11925 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11926 i
!= backfill_targets
.end();
11928 peer_backfill_info
[*i
].reset(peer_info
[*i
].last_backfill
);
11930 backfill_info
.reset(last_backfill_started
);
11932 backfills_in_flight
.clear();
11933 pending_backfill_updates
.clear();
11936 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11937 i
!= backfill_targets
.end();
11939 dout(10) << "peer osd." << *i
11940 << " info " << peer_info
[*i
]
11941 << " interval " << peer_backfill_info
[*i
].begin
11942 << "-" << peer_backfill_info
[*i
].end
11943 << " " << peer_backfill_info
[*i
].objects
.size() << " objects"
11947 // update our local interval to cope with recent changes
11948 backfill_info
.begin
= last_backfill_started
;
11949 update_range(&backfill_info
, handle
);
11952 vector
<boost::tuple
<hobject_t
, eversion_t
, pg_shard_t
> > to_remove
;
11953 set
<hobject_t
> add_to_stat
;
11955 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11956 i
!= backfill_targets
.end();
11958 peer_backfill_info
[*i
].trim_to(
11959 std::max(peer_info
[*i
].last_backfill
, last_backfill_started
));
11961 backfill_info
.trim_to(last_backfill_started
);
11963 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11964 while (ops
< max
) {
11965 if (backfill_info
.begin
<= earliest_peer_backfill() &&
11966 !backfill_info
.extends_to_end() && backfill_info
.empty()) {
11967 hobject_t next
= backfill_info
.end
;
11968 backfill_info
.reset(next
);
11969 backfill_info
.end
= hobject_t::get_max();
11970 update_range(&backfill_info
, handle
);
11971 backfill_info
.trim();
11974 dout(20) << " my backfill interval " << backfill_info
<< dendl
;
11976 bool sent_scan
= false;
11977 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11978 i
!= backfill_targets
.end();
11980 pg_shard_t bt
= *i
;
11981 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
11983 dout(20) << " peer shard " << bt
<< " backfill " << pbi
<< dendl
;
11984 if (pbi
.begin
<= backfill_info
.begin
&&
11985 !pbi
.extends_to_end() && pbi
.empty()) {
11986 dout(10) << " scanning peer osd." << bt
<< " from " << pbi
.end
<< dendl
;
11987 epoch_t e
= get_osdmap()->get_epoch();
11988 MOSDPGScan
*m
= new MOSDPGScan(
11989 MOSDPGScan::OP_SCAN_GET_DIGEST
, pg_whoami
, e
, last_peering_reset
,
11990 spg_t(info
.pgid
.pgid
, bt
.shard
),
11991 pbi
.end
, hobject_t());
11992 osd
->send_message_osd_cluster(bt
.osd
, m
, get_osdmap()->get_epoch());
11993 assert(waiting_on_backfill
.find(bt
) == waiting_on_backfill
.end());
11994 waiting_on_backfill
.insert(bt
);
11999 // Count simultaneous scans as a single op and let those complete
12002 start_recovery_op(hobject_t::get_max()); // XXX: was pbi.end
12006 if (backfill_info
.empty() && all_peer_done()) {
12007 dout(10) << " reached end for both local and all peers" << dendl
;
12011 // Get object within set of peers to operate on and
12012 // the set of targets for which that object applies.
12013 hobject_t check
= earliest_peer_backfill();
12015 if (check
< backfill_info
.begin
) {
12017 set
<pg_shard_t
> check_targets
;
12018 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12019 i
!= backfill_targets
.end();
12021 pg_shard_t bt
= *i
;
12022 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12023 if (pbi
.begin
== check
)
12024 check_targets
.insert(bt
);
12026 assert(!check_targets
.empty());
12028 dout(20) << " BACKFILL removing " << check
12029 << " from peers " << check_targets
<< dendl
;
12030 for (set
<pg_shard_t
>::iterator i
= check_targets
.begin();
12031 i
!= check_targets
.end();
12033 pg_shard_t bt
= *i
;
12034 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12035 assert(pbi
.begin
== check
);
12037 to_remove
.push_back(boost::make_tuple(check
, pbi
.objects
.begin()->second
, bt
));
12041 /* This requires a bit of explanation. We compare head against
12042 * last_backfill to determine whether to send an operation
12043 * to the replica. A single write operation can touch up to three
12044 * objects: head, the snapdir, and a new clone which sorts closer to
12045 * head than any existing clone. If last_backfill points at a clone,
12046 * the transaction won't be sent and all 3 must lie on the right side
12047 * of the line (i.e., we'll backfill them later). If last_backfill
12048 * points at snapdir, it sorts greater than head, so we send the
12049 * transaction which is correct because all three must lie to the left
12052 * If it points at head, we have a bit of an issue. If head actually
12053 * exists, no problem, because any transaction which touches snapdir
12054 * must end up creating it (and deleting head), so sending the
12055 * operation won't pose a problem -- we'll end up having to scan it,
12056 * but it'll end up being the right version so we won't bother to
12057 * rebackfill it. However, if head doesn't exist, any write on head
12058 * will remove snapdir. For a replicated pool, this isn't a problem,
12059 * ENOENT on remove isn't an issue and it's in backfill future anyway.
12060 * It only poses a problem for EC pools, because we never just delete
12061 * an object, we rename it into a rollback object. That operation
12062 * will end up crashing the osd with ENOENT. Tolerating the failure
12063 * wouldn't work either, even if snapdir exists, we'd be creating a
12064 * rollback object past the last_backfill line which wouldn't get
12065 * cleaned up (no rollback objects past the last_backfill line is an
12066 * existing important invariant). Thus, let's avoid the whole issue
12067 * by just not updating last_backfill_started here if head doesn't
12068 * exist and snapdir does. We aren't using up a recovery count here,
12069 * so we're going to recover snapdir immediately anyway. We'll only
12070 * fail "backward" if we fail to get the rw lock and that just means
12071 * we'll re-process this section of the hash space again.
12073 * I'm choosing this hack here because the really "correct" answer is
12074 * going to be to unify snapdir and head into a single object (a
12075 * snapdir is really just a confusing way to talk about head existing
12076 * as a whiteout), but doing that is going to be a somewhat larger
12079 * @see http://tracker.ceph.com/issues/17668
12081 if (!(check
.is_head() &&
12082 backfill_info
.begin
.is_snapdir() &&
12083 check
== backfill_info
.begin
.get_head()))
12084 last_backfill_started
= check
;
12086 // Don't increment ops here because deletions
12087 // are cheap and not replied to unlike real recovery_ops,
12088 // and we can't increment ops without requeueing ourself
12091 eversion_t
& obj_v
= backfill_info
.objects
.begin()->second
;
12093 vector
<pg_shard_t
> need_ver_targs
, missing_targs
, keep_ver_targs
, skip_targs
;
12094 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12095 i
!= backfill_targets
.end();
12097 pg_shard_t bt
= *i
;
12098 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12099 // Find all check peers that have the wrong version
12100 if (check
== backfill_info
.begin
&& check
== pbi
.begin
) {
12101 if (pbi
.objects
.begin()->second
!= obj_v
) {
12102 need_ver_targs
.push_back(bt
);
12104 keep_ver_targs
.push_back(bt
);
12107 pg_info_t
& pinfo
= peer_info
[bt
];
12109 // Only include peers that we've caught up to their backfill line
12110 // otherwise, they only appear to be missing this object
12111 // because their pbi.begin > backfill_info.begin.
12112 if (backfill_info
.begin
> pinfo
.last_backfill
)
12113 missing_targs
.push_back(bt
);
12115 skip_targs
.push_back(bt
);
12119 if (!keep_ver_targs
.empty()) {
12120 // These peers have version obj_v
12121 dout(20) << " BACKFILL keeping " << check
12122 << " with ver " << obj_v
12123 << " on peers " << keep_ver_targs
<< dendl
;
12124 //assert(!waiting_for_degraded_object.count(check));
12126 if (!need_ver_targs
.empty() || !missing_targs
.empty()) {
12127 ObjectContextRef obc
= get_object_context(backfill_info
.begin
, false);
12129 if (obc
->get_recovery_read()) {
12130 if (!need_ver_targs
.empty()) {
12131 dout(20) << " BACKFILL replacing " << check
12132 << " with ver " << obj_v
12133 << " to peers " << need_ver_targs
<< dendl
;
12135 if (!missing_targs
.empty()) {
12136 dout(20) << " BACKFILL pushing " << backfill_info
.begin
12137 << " with ver " << obj_v
12138 << " to peers " << missing_targs
<< dendl
;
12140 vector
<pg_shard_t
> all_push
= need_ver_targs
;
12141 all_push
.insert(all_push
.end(), missing_targs
.begin(), missing_targs
.end());
12143 handle
.reset_tp_timeout();
12144 int r
= prep_backfill_object_push(backfill_info
.begin
, obj_v
, obc
, all_push
, h
);
12146 *work_started
= true;
12147 dout(0) << __func__
<< " Error " << r
<< " trying to backfill " << backfill_info
.begin
<< dendl
;
12152 *work_started
= true;
12153 dout(20) << "backfill blocking on " << backfill_info
.begin
12154 << "; could not get rw_manager lock" << dendl
;
12158 dout(20) << "need_ver_targs=" << need_ver_targs
12159 << " keep_ver_targs=" << keep_ver_targs
<< dendl
;
12160 dout(20) << "backfill_targets=" << backfill_targets
12161 << " missing_targs=" << missing_targs
12162 << " skip_targs=" << skip_targs
<< dendl
;
12164 last_backfill_started
= backfill_info
.begin
;
12165 add_to_stat
.insert(backfill_info
.begin
); // XXX: Only one for all pushes?
12166 backfill_info
.pop_front();
12167 vector
<pg_shard_t
> check_targets
= need_ver_targs
;
12168 check_targets
.insert(check_targets
.end(), keep_ver_targs
.begin(), keep_ver_targs
.end());
12169 for (vector
<pg_shard_t
>::iterator i
= check_targets
.begin();
12170 i
!= check_targets
.end();
12172 pg_shard_t bt
= *i
;
12173 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12179 hobject_t backfill_pos
=
12180 std::min(backfill_info
.begin
, earliest_peer_backfill());
12182 for (set
<hobject_t
>::iterator i
= add_to_stat
.begin();
12183 i
!= add_to_stat
.end();
12185 ObjectContextRef obc
= get_object_context(*i
, false);
12188 add_object_context_to_pg_stat(obc
, &stat
);
12189 pending_backfill_updates
[*i
] = stat
;
12191 if (HAVE_FEATURE(get_min_upacting_features(), SERVER_LUMINOUS
)) {
12192 map
<pg_shard_t
,MOSDPGBackfillRemove
*> reqs
;
12193 for (unsigned i
= 0; i
< to_remove
.size(); ++i
) {
12194 handle
.reset_tp_timeout();
12195 const hobject_t
& oid
= to_remove
[i
].get
<0>();
12196 eversion_t v
= to_remove
[i
].get
<1>();
12197 pg_shard_t peer
= to_remove
[i
].get
<2>();
12198 MOSDPGBackfillRemove
*m
;
12199 auto it
= reqs
.find(peer
);
12200 if (it
!= reqs
.end()) {
12203 m
= reqs
[peer
] = new MOSDPGBackfillRemove(
12204 spg_t(info
.pgid
.pgid
, peer
.shard
),
12205 get_osdmap()->get_epoch());
12207 m
->ls
.push_back(make_pair(oid
, v
));
12209 if (oid
<= last_backfill_started
)
12210 pending_backfill_updates
[oid
]; // add empty stat!
12212 for (auto p
: reqs
) {
12213 osd
->send_message_osd_cluster(p
.first
.osd
, p
.second
,
12214 get_osdmap()->get_epoch());
12217 // for jewel targets
12218 for (unsigned i
= 0; i
< to_remove
.size(); ++i
) {
12219 handle
.reset_tp_timeout();
12221 // ordered before any subsequent updates
12222 send_remove_op(to_remove
[i
].get
<0>(), to_remove
[i
].get
<1>(),
12223 to_remove
[i
].get
<2>());
12225 if (to_remove
[i
].get
<0>() <= last_backfill_started
)
12226 pending_backfill_updates
[to_remove
[i
].get
<0>()]; // add empty stat!
12230 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
12232 dout(5) << "backfill_pos is " << backfill_pos
<< dendl
;
12233 for (set
<hobject_t
>::iterator i
= backfills_in_flight
.begin();
12234 i
!= backfills_in_flight
.end();
12236 dout(20) << *i
<< " is still in flight" << dendl
;
12239 hobject_t next_backfill_to_complete
= backfills_in_flight
.empty() ?
12240 backfill_pos
: *(backfills_in_flight
.begin());
12241 hobject_t new_last_backfill
= earliest_backfill();
12242 dout(10) << "starting new_last_backfill at " << new_last_backfill
<< dendl
;
12243 for (map
<hobject_t
, pg_stat_t
>::iterator i
=
12244 pending_backfill_updates
.begin();
12245 i
!= pending_backfill_updates
.end() &&
12246 i
->first
< next_backfill_to_complete
;
12247 pending_backfill_updates
.erase(i
++)) {
12248 dout(20) << " pending_backfill_update " << i
->first
<< dendl
;
12249 assert(i
->first
> new_last_backfill
);
12250 for (set
<pg_shard_t
>::iterator j
= backfill_targets
.begin();
12251 j
!= backfill_targets
.end();
12253 pg_shard_t bt
= *j
;
12254 pg_info_t
& pinfo
= peer_info
[bt
];
12255 //Add stats to all peers that were missing object
12256 if (i
->first
> pinfo
.last_backfill
)
12257 pinfo
.stats
.add(i
->second
);
12259 new_last_backfill
= i
->first
;
12261 dout(10) << "possible new_last_backfill at " << new_last_backfill
<< dendl
;
12263 assert(!pending_backfill_updates
.empty() ||
12264 new_last_backfill
== last_backfill_started
);
12265 if (pending_backfill_updates
.empty() &&
12266 backfill_pos
.is_max()) {
12267 assert(backfills_in_flight
.empty());
12268 new_last_backfill
= backfill_pos
;
12269 last_backfill_started
= backfill_pos
;
12271 dout(10) << "final new_last_backfill at " << new_last_backfill
<< dendl
;
12273 // If new_last_backfill == MAX, then we will send OP_BACKFILL_FINISH to
12274 // all the backfill targets. Otherwise, we will move last_backfill up on
12275 // those targets need it and send OP_BACKFILL_PROGRESS to them.
12276 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12277 i
!= backfill_targets
.end();
12279 pg_shard_t bt
= *i
;
12280 pg_info_t
& pinfo
= peer_info
[bt
];
12282 if (new_last_backfill
> pinfo
.last_backfill
) {
12283 pinfo
.set_last_backfill(new_last_backfill
);
12284 epoch_t e
= get_osdmap()->get_epoch();
12285 MOSDPGBackfill
*m
= NULL
;
12286 if (pinfo
.last_backfill
.is_max()) {
12287 m
= new MOSDPGBackfill(
12288 MOSDPGBackfill::OP_BACKFILL_FINISH
,
12290 last_peering_reset
,
12291 spg_t(info
.pgid
.pgid
, bt
.shard
));
12292 // Use default priority here, must match sub_op priority
12293 /* pinfo.stats might be wrong if we did log-based recovery on the
12294 * backfilled portion in addition to continuing backfill.
12296 pinfo
.stats
= info
.stats
;
12297 start_recovery_op(hobject_t::get_max());
12299 m
= new MOSDPGBackfill(
12300 MOSDPGBackfill::OP_BACKFILL_PROGRESS
,
12302 last_peering_reset
,
12303 spg_t(info
.pgid
.pgid
, bt
.shard
));
12304 // Use default priority here, must match sub_op priority
12306 m
->last_backfill
= pinfo
.last_backfill
;
12307 m
->stats
= pinfo
.stats
;
12308 osd
->send_message_osd_cluster(bt
.osd
, m
, get_osdmap()->get_epoch());
12309 dout(10) << " peer " << bt
12310 << " num_objects now " << pinfo
.stats
.stats
.sum
.num_objects
12311 << " / " << info
.stats
.stats
.sum
.num_objects
<< dendl
;
12316 *work_started
= true;
12320 int PrimaryLogPG::prep_backfill_object_push(
12321 hobject_t oid
, eversion_t v
,
12322 ObjectContextRef obc
,
12323 vector
<pg_shard_t
> peers
,
12324 PGBackend::RecoveryHandle
*h
)
12326 dout(10) << __func__
<< " " << oid
<< " v " << v
<< " to peers " << peers
<< dendl
;
12327 assert(!peers
.empty());
12329 backfills_in_flight
.insert(oid
);
12330 for (unsigned int i
= 0 ; i
< peers
.size(); ++i
) {
12331 map
<pg_shard_t
, pg_missing_t
>::iterator bpm
= peer_missing
.find(peers
[i
]);
12332 assert(bpm
!= peer_missing
.end());
12333 bpm
->second
.add(oid
, eversion_t(), eversion_t(), false);
12336 assert(!recovering
.count(oid
));
12338 start_recovery_op(oid
);
12339 recovering
.insert(make_pair(oid
, obc
));
12341 // We need to take the read_lock here in order to flush in-progress writes
12342 obc
->ondisk_read_lock();
12343 int r
= pgbackend
->recover_object(
12346 ObjectContextRef(),
12349 obc
->ondisk_read_unlock();
12351 dout(0) << __func__
<< " Error " << r
<< " on oid " << oid
<< dendl
;
12352 primary_failed(oid
);
12353 primary_error(oid
, v
);
12354 backfills_in_flight
.erase(oid
);
12355 missing_loc
.add_missing(oid
, v
, eversion_t());
12360 void PrimaryLogPG::update_range(
12361 BackfillInterval
*bi
,
12362 ThreadPool::TPHandle
&handle
)
12364 int local_min
= cct
->_conf
->osd_backfill_scan_min
;
12365 int local_max
= cct
->_conf
->osd_backfill_scan_max
;
12367 if (bi
->version
< info
.log_tail
) {
12368 dout(10) << __func__
<< ": bi is old, rescanning local backfill_info"
12370 if (last_update_applied
>= info
.log_tail
) {
12371 bi
->version
= last_update_applied
;
12374 bi
->version
= info
.last_update
;
12376 scan_range(local_min
, local_max
, bi
, handle
);
12379 if (bi
->version
>= projected_last_update
) {
12380 dout(10) << __func__
<< ": bi is current " << dendl
;
12381 assert(bi
->version
== projected_last_update
);
12382 } else if (bi
->version
>= info
.log_tail
) {
12383 if (pg_log
.get_log().empty() && projected_log
.empty()) {
12384 /* Because we don't move log_tail on split, the log might be
12385 * empty even if log_tail != last_update. However, the only
12386 * way to get here with an empty log is if log_tail is actually
12387 * eversion_t(), because otherwise the entry which changed
12388 * last_update since the last scan would have to be present.
12390 assert(bi
->version
== eversion_t());
12394 dout(10) << __func__
<< ": bi is old, (" << bi
->version
12395 << ") can be updated with log to projected_last_update "
12396 << projected_last_update
<< dendl
;
12398 auto func
= [&](const pg_log_entry_t
&e
) {
12399 dout(10) << __func__
<< ": updating from version " << e
.version
12401 const hobject_t
&soid
= e
.soid
;
12402 if (soid
>= bi
->begin
&&
12404 if (e
.is_update()) {
12405 dout(10) << __func__
<< ": " << e
.soid
<< " updated to version "
12406 << e
.version
<< dendl
;
12407 bi
->objects
.erase(e
.soid
);
12408 bi
->objects
.insert(
12412 } else if (e
.is_delete()) {
12413 dout(10) << __func__
<< ": " << e
.soid
<< " removed" << dendl
;
12414 bi
->objects
.erase(e
.soid
);
12418 dout(10) << "scanning pg log first" << dendl
;
12419 pg_log
.get_log().scan_log_after(bi
->version
, func
);
12420 dout(10) << "scanning projected log" << dendl
;
12421 projected_log
.scan_log_after(bi
->version
, func
);
12422 bi
->version
= projected_last_update
;
12424 assert(0 == "scan_range should have raised bi->version past log_tail");
12428 void PrimaryLogPG::scan_range(
12429 int min
, int max
, BackfillInterval
*bi
,
12430 ThreadPool::TPHandle
&handle
)
12432 assert(is_locked());
12433 dout(10) << "scan_range from " << bi
->begin
<< dendl
;
12434 bi
->clear_objects();
12436 vector
<hobject_t
> ls
;
12438 int r
= pgbackend
->objects_list_partial(bi
->begin
, min
, max
, &ls
, &bi
->end
);
12440 dout(10) << " got " << ls
.size() << " items, next " << bi
->end
<< dendl
;
12441 dout(20) << ls
<< dendl
;
12443 for (vector
<hobject_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
) {
12444 handle
.reset_tp_timeout();
12445 ObjectContextRef obc
;
12447 obc
= object_contexts
.lookup(*p
);
12449 bi
->objects
[*p
] = obc
->obs
.oi
.version
;
12450 dout(20) << " " << *p
<< " " << obc
->obs
.oi
.version
<< dendl
;
12453 int r
= pgbackend
->objects_get_attr(*p
, OI_ATTR
, &bl
);
12455 /* If the object does not exist here, it must have been removed
12456 * between the collection_list_partial and here. This can happen
12457 * for the first item in the range, which is usually last_backfill.
12463 object_info_t
oi(bl
);
12464 bi
->objects
[*p
] = oi
.version
;
12465 dout(20) << " " << *p
<< " " << oi
.version
<< dendl
;
12473 * verifies that stray objects have been deleted
12475 void PrimaryLogPG::check_local()
12477 dout(10) << __func__
<< dendl
;
12479 assert(info
.last_update
>= pg_log
.get_tail()); // otherwise we need some help!
12481 if (!cct
->_conf
->osd_debug_verify_stray_on_activate
)
12484 // just scan the log.
12485 set
<hobject_t
> did
;
12486 for (list
<pg_log_entry_t
>::const_reverse_iterator p
= pg_log
.get_log().log
.rbegin();
12487 p
!= pg_log
.get_log().log
.rend();
12489 if (did
.count(p
->soid
))
12491 did
.insert(p
->soid
);
12493 if (p
->is_delete() && !is_missing_object(p
->soid
)) {
12494 dout(10) << " checking " << p
->soid
12495 << " at " << p
->version
<< dendl
;
12497 int r
= osd
->store
->stat(
12499 ghobject_t(p
->soid
, ghobject_t::NO_GEN
, pg_whoami
.shard
),
12501 if (r
!= -ENOENT
) {
12502 derr
<< __func__
<< " " << p
->soid
<< " exists, but should have been "
12503 << "deleted" << dendl
;
12504 assert(0 == "erroneously present object");
12507 // ignore old(+missing) objects
12514 // ===========================
12517 hobject_t
PrimaryLogPG::get_hit_set_current_object(utime_t stamp
)
12520 ss
<< "hit_set_" << info
.pgid
.pgid
<< "_current_" << stamp
;
12521 hobject_t
hoid(sobject_t(ss
.str(), CEPH_NOSNAP
), "",
12522 info
.pgid
.ps(), info
.pgid
.pool(),
12523 cct
->_conf
->osd_hit_set_namespace
);
12524 dout(20) << __func__
<< " " << hoid
<< dendl
;
12528 hobject_t
PrimaryLogPG::get_hit_set_archive_object(utime_t start
,
12533 ss
<< "hit_set_" << info
.pgid
.pgid
<< "_archive_";
12535 start
.gmtime(ss
) << "_";
12538 start
.localtime(ss
) << "_";
12541 hobject_t
hoid(sobject_t(ss
.str(), CEPH_NOSNAP
), "",
12542 info
.pgid
.ps(), info
.pgid
.pool(),
12543 cct
->_conf
->osd_hit_set_namespace
);
12544 dout(20) << __func__
<< " " << hoid
<< dendl
;
12548 void PrimaryLogPG::hit_set_clear()
12550 dout(20) << __func__
<< dendl
;
12552 hit_set_start_stamp
= utime_t();
12555 void PrimaryLogPG::hit_set_setup()
12557 if (!is_active() ||
12563 if (is_active() && is_primary() &&
12564 (!pool
.info
.hit_set_count
||
12565 !pool
.info
.hit_set_period
||
12566 pool
.info
.hit_set_params
.get_type() == HitSet::TYPE_NONE
)) {
12569 // only primary is allowed to remove all the hit set objects
12570 hit_set_remove_all();
12574 // FIXME: discard any previous data for now
12577 // include any writes we know about from the pg log. this doesn't
12578 // capture reads, but it is better than nothing!
12579 hit_set_apply_log();
12582 void PrimaryLogPG::hit_set_remove_all()
12584 // If any archives are degraded we skip this
12585 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12586 p
!= info
.hit_set
.history
.end();
12588 hobject_t aoid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12590 // Once we hit a degraded object just skip
12591 if (is_degraded_or_backfilling_object(aoid
))
12593 if (scrubber
.write_blocked_by_scrub(aoid
))
12597 if (!info
.hit_set
.history
.empty()) {
12598 list
<pg_hit_set_info_t
>::reverse_iterator p
= info
.hit_set
.history
.rbegin();
12599 assert(p
!= info
.hit_set
.history
.rend());
12600 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12601 assert(!is_degraded_or_backfilling_object(oid
));
12602 ObjectContextRef obc
= get_object_context(oid
, false);
12605 OpContextUPtr ctx
= simple_opc_create(obc
);
12606 ctx
->at_version
= get_next_version();
12607 ctx
->updated_hset_history
= info
.hit_set
;
12608 utime_t now
= ceph_clock_now();
12610 hit_set_trim(ctx
, 0);
12611 simple_opc_submit(std::move(ctx
));
12614 info
.hit_set
= pg_hit_set_history_t();
12616 agent_state
->discard_hit_sets();
12620 void PrimaryLogPG::hit_set_create()
12622 utime_t now
= ceph_clock_now();
12623 // make a copy of the params to modify
12624 HitSet::Params
params(pool
.info
.hit_set_params
);
12626 dout(20) << __func__
<< " " << params
<< dendl
;
12627 if (pool
.info
.hit_set_params
.get_type() == HitSet::TYPE_BLOOM
) {
12628 BloomHitSet::Params
*p
=
12629 static_cast<BloomHitSet::Params
*>(params
.impl
.get());
12631 // convert false positive rate so it holds up across the full period
12632 p
->set_fpp(p
->get_fpp() / pool
.info
.hit_set_count
);
12633 if (p
->get_fpp() <= 0.0)
12634 p
->set_fpp(.01); // fpp cannot be zero!
12636 // if we don't have specified size, estimate target size based on the
12638 if (p
->target_size
== 0 && hit_set
) {
12639 utime_t dur
= now
- hit_set_start_stamp
;
12640 unsigned unique
= hit_set
->approx_unique_insert_count();
12641 dout(20) << __func__
<< " previous set had approx " << unique
12642 << " unique items over " << dur
<< " seconds" << dendl
;
12643 p
->target_size
= (double)unique
* (double)pool
.info
.hit_set_period
12646 if (p
->target_size
<
12647 static_cast<uint64_t>(cct
->_conf
->osd_hit_set_min_size
))
12648 p
->target_size
= cct
->_conf
->osd_hit_set_min_size
;
12651 > static_cast<uint64_t>(cct
->_conf
->osd_hit_set_max_size
))
12652 p
->target_size
= cct
->_conf
->osd_hit_set_max_size
;
12654 p
->seed
= now
.sec();
12656 dout(10) << __func__
<< " target_size " << p
->target_size
12657 << " fpp " << p
->get_fpp() << dendl
;
12659 hit_set
.reset(new HitSet(params
));
12660 hit_set_start_stamp
= now
;
12664 * apply log entries to set
12666 * this would only happen after peering, to at least capture writes
12667 * during an interval that was potentially lost.
12669 bool PrimaryLogPG::hit_set_apply_log()
12674 eversion_t to
= info
.last_update
;
12675 eversion_t from
= info
.hit_set
.current_last_update
;
12677 dout(20) << __func__
<< " no update" << dendl
;
12681 dout(20) << __func__
<< " " << to
<< " .. " << info
.last_update
<< dendl
;
12682 list
<pg_log_entry_t
>::const_reverse_iterator p
= pg_log
.get_log().log
.rbegin();
12683 while (p
!= pg_log
.get_log().log
.rend() && p
->version
> to
)
12685 while (p
!= pg_log
.get_log().log
.rend() && p
->version
> from
) {
12686 hit_set
->insert(p
->soid
);
12693 void PrimaryLogPG::hit_set_persist()
12695 dout(10) << __func__
<< dendl
;
12697 unsigned max
= pool
.info
.hit_set_count
;
12699 utime_t now
= ceph_clock_now();
12702 // If any archives are degraded we skip this persist request
12703 // account for the additional entry being added below
12704 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12705 p
!= info
.hit_set
.history
.end();
12707 hobject_t aoid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12709 // Once we hit a degraded object just skip further trim
12710 if (is_degraded_or_backfilling_object(aoid
))
12712 if (scrubber
.write_blocked_by_scrub(aoid
))
12716 // If backfill is in progress and we could possibly overlap with the
12717 // hit_set_* objects, back off. Since these all have
12718 // hobject_t::hash set to pgid.ps(), and those sort first, we can
12719 // look just at that. This is necessary because our transactions
12720 // may include a modify of the new hit_set *and* a delete of the
12721 // old one, and this may span the backfill boundary.
12722 for (set
<pg_shard_t
>::iterator p
= backfill_targets
.begin();
12723 p
!= backfill_targets
.end();
12725 assert(peer_info
.count(*p
));
12726 const pg_info_t
& pi
= peer_info
[*p
];
12727 if (pi
.last_backfill
== hobject_t() ||
12728 pi
.last_backfill
.get_hash() == info
.pgid
.ps()) {
12729 dout(10) << __func__
<< " backfill target osd." << *p
12730 << " last_backfill has not progressed past pgid ps"
12737 pg_hit_set_info_t new_hset
= pg_hit_set_info_t(pool
.info
.use_gmt_hitset
);
12738 new_hset
.begin
= hit_set_start_stamp
;
12739 new_hset
.end
= now
;
12740 oid
= get_hit_set_archive_object(
12743 new_hset
.using_gmt
);
12745 // If the current object is degraded we skip this persist request
12746 if (scrubber
.write_blocked_by_scrub(oid
))
12750 ::encode(*hit_set
, bl
);
12751 dout(20) << __func__
<< " archive " << oid
<< dendl
;
12754 agent_state
->add_hit_set(new_hset
.begin
, hit_set
);
12755 uint32_t size
= agent_state
->hit_set_map
.size();
12756 if (size
>= pool
.info
.hit_set_count
) {
12757 size
= pool
.info
.hit_set_count
> 0 ? pool
.info
.hit_set_count
- 1: 0;
12759 hit_set_in_memory_trim(size
);
12762 ObjectContextRef obc
= get_object_context(oid
, true);
12763 OpContextUPtr ctx
= simple_opc_create(obc
);
12765 ctx
->at_version
= get_next_version();
12766 ctx
->updated_hset_history
= info
.hit_set
;
12767 pg_hit_set_history_t
&updated_hit_set_hist
= *(ctx
->updated_hset_history
);
12769 updated_hit_set_hist
.current_last_update
= info
.last_update
;
12770 new_hset
.version
= ctx
->at_version
;
12772 updated_hit_set_hist
.history
.push_back(new_hset
);
12775 // fabricate an object_info_t and SnapSet
12776 obc
->obs
.oi
.version
= ctx
->at_version
;
12777 obc
->obs
.oi
.mtime
= now
;
12778 obc
->obs
.oi
.size
= bl
.length();
12779 obc
->obs
.exists
= true;
12780 obc
->obs
.oi
.set_data_digest(bl
.crc32c(-1));
12782 ctx
->new_obs
= obc
->obs
;
12784 obc
->ssc
->snapset
.head_exists
= true;
12785 ctx
->new_snapset
= obc
->ssc
->snapset
;
12787 ctx
->delta_stats
.num_objects
++;
12788 ctx
->delta_stats
.num_objects_hit_set_archive
++;
12789 ctx
->delta_stats
.num_bytes
+= bl
.length();
12790 ctx
->delta_stats
.num_bytes_hit_set_archive
+= bl
.length();
12793 ::encode(ctx
->new_snapset
, bss
);
12794 bufferlist
boi(sizeof(ctx
->new_obs
.oi
));
12795 ::encode(ctx
->new_obs
.oi
, boi
,
12796 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
12798 ctx
->op_t
->create(oid
);
12800 ctx
->op_t
->write(oid
, 0, bl
.length(), bl
, 0);
12802 map
<string
, bufferlist
> attrs
;
12803 attrs
[OI_ATTR
].claim(boi
);
12804 attrs
[SS_ATTR
].claim(bss
);
12805 setattrs_maybe_cache(ctx
->obc
, ctx
.get(), ctx
->op_t
.get(), attrs
);
12806 ctx
->log
.push_back(
12808 pg_log_entry_t::MODIFY
,
12818 hit_set_trim(ctx
, max
);
12820 simple_opc_submit(std::move(ctx
));
12823 void PrimaryLogPG::hit_set_trim(OpContextUPtr
&ctx
, unsigned max
)
12825 assert(ctx
->updated_hset_history
);
12826 pg_hit_set_history_t
&updated_hit_set_hist
=
12827 *(ctx
->updated_hset_history
);
12828 for (unsigned num
= updated_hit_set_hist
.history
.size(); num
> max
; --num
) {
12829 list
<pg_hit_set_info_t
>::iterator p
= updated_hit_set_hist
.history
.begin();
12830 assert(p
!= updated_hit_set_hist
.history
.end());
12831 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12833 assert(!is_degraded_or_backfilling_object(oid
));
12835 dout(20) << __func__
<< " removing " << oid
<< dendl
;
12836 ++ctx
->at_version
.version
;
12837 ctx
->log
.push_back(
12838 pg_log_entry_t(pg_log_entry_t::DELETE
,
12847 ctx
->op_t
->remove(oid
);
12848 updated_hit_set_hist
.history
.pop_front();
12850 ObjectContextRef obc
= get_object_context(oid
, false);
12852 --ctx
->delta_stats
.num_objects
;
12853 --ctx
->delta_stats
.num_objects_hit_set_archive
;
12854 ctx
->delta_stats
.num_bytes
-= obc
->obs
.oi
.size
;
12855 ctx
->delta_stats
.num_bytes_hit_set_archive
-= obc
->obs
.oi
.size
;
12859 void PrimaryLogPG::hit_set_in_memory_trim(uint32_t max_in_memory
)
12861 while (agent_state
->hit_set_map
.size() > max_in_memory
) {
12862 agent_state
->remove_oldest_hit_set();
12867 // =======================================
12870 void PrimaryLogPG::agent_setup()
12872 assert(is_locked());
12873 if (!is_active() ||
12875 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
||
12876 pool
.info
.tier_of
< 0 ||
12877 !get_osdmap()->have_pg_pool(pool
.info
.tier_of
)) {
12881 if (!agent_state
) {
12882 agent_state
.reset(new TierAgentState
);
12884 // choose random starting position
12885 agent_state
->position
= hobject_t();
12886 agent_state
->position
.pool
= info
.pgid
.pool();
12887 agent_state
->position
.set_hash(pool
.info
.get_random_pg_position(
12890 agent_state
->start
= agent_state
->position
;
12892 dout(10) << __func__
<< " allocated new state, position "
12893 << agent_state
->position
<< dendl
;
12895 dout(10) << __func__
<< " keeping existing state" << dendl
;
12898 if (info
.stats
.stats_invalid
) {
12899 osd
->clog
->warn() << "pg " << info
.pgid
<< " has invalid (post-split) stats; must scrub before tier agent can activate";
12902 agent_choose_mode();
12905 void PrimaryLogPG::agent_clear()
12908 agent_state
.reset(NULL
);
12911 // Return false if no objects operated on since start of object hash space
12912 bool PrimaryLogPG::agent_work(int start_max
, int agent_flush_quota
)
12915 if (!agent_state
) {
12916 dout(10) << __func__
<< " no agent state, stopping" << dendl
;
12923 if (agent_state
->is_idle()) {
12924 dout(10) << __func__
<< " idle, stopping" << dendl
;
12929 osd
->logger
->inc(l_osd_agent_wake
);
12931 dout(10) << __func__
12932 << " max " << start_max
12933 << ", flush " << agent_state
->get_flush_mode_name()
12934 << ", evict " << agent_state
->get_evict_mode_name()
12935 << ", pos " << agent_state
->position
12937 assert(is_primary());
12938 assert(is_active());
12940 agent_load_hit_sets();
12942 const pg_pool_t
*base_pool
= get_osdmap()->get_pg_pool(pool
.info
.tier_of
);
12946 int ls_max
= cct
->_conf
->osd_pool_default_cache_max_evict_check_size
;
12948 // list some objects. this conveniently lists clones (oldest to
12949 // newest) before heads... the same order we want to flush in.
12951 // NOTE: do not flush the Sequencer. we will assume that the
12952 // listing we get back is imprecise.
12953 vector
<hobject_t
> ls
;
12955 int r
= pgbackend
->objects_list_partial(agent_state
->position
, ls_min
, ls_max
,
12958 dout(20) << __func__
<< " got " << ls
.size() << " objects" << dendl
;
12960 for (vector
<hobject_t
>::iterator p
= ls
.begin();
12963 if (p
->nspace
== cct
->_conf
->osd_hit_set_namespace
) {
12964 dout(20) << __func__
<< " skip (hit set) " << *p
<< dendl
;
12965 osd
->logger
->inc(l_osd_agent_skip
);
12968 if (is_degraded_or_backfilling_object(*p
)) {
12969 dout(20) << __func__
<< " skip (degraded) " << *p
<< dendl
;
12970 osd
->logger
->inc(l_osd_agent_skip
);
12973 if (is_missing_object(p
->get_head())) {
12974 dout(20) << __func__
<< " skip (missing head) " << *p
<< dendl
;
12975 osd
->logger
->inc(l_osd_agent_skip
);
12978 ObjectContextRef obc
= get_object_context(*p
, false, NULL
);
12980 // we didn't flush; we may miss something here.
12981 dout(20) << __func__
<< " skip (no obc) " << *p
<< dendl
;
12982 osd
->logger
->inc(l_osd_agent_skip
);
12985 if (!obc
->obs
.exists
) {
12986 dout(20) << __func__
<< " skip (dne) " << obc
->obs
.oi
.soid
<< dendl
;
12987 osd
->logger
->inc(l_osd_agent_skip
);
12990 if (scrubber
.write_blocked_by_scrub(obc
->obs
.oi
.soid
)) {
12991 dout(20) << __func__
<< " skip (scrubbing) " << obc
->obs
.oi
<< dendl
;
12992 osd
->logger
->inc(l_osd_agent_skip
);
12995 if (obc
->is_blocked()) {
12996 dout(20) << __func__
<< " skip (blocked) " << obc
->obs
.oi
<< dendl
;
12997 osd
->logger
->inc(l_osd_agent_skip
);
13000 if (obc
->is_request_pending()) {
13001 dout(20) << __func__
<< " skip (request pending) " << obc
->obs
.oi
<< dendl
;
13002 osd
->logger
->inc(l_osd_agent_skip
);
13006 // be careful flushing omap to an EC pool.
13007 if (!base_pool
->supports_omap() &&
13008 obc
->obs
.oi
.is_omap()) {
13009 dout(20) << __func__
<< " skip (omap to EC) " << obc
->obs
.oi
<< dendl
;
13010 osd
->logger
->inc(l_osd_agent_skip
);
13014 if (agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_IDLE
&&
13015 agent_maybe_evict(obc
, false))
13017 else if (agent_state
->flush_mode
!= TierAgentState::FLUSH_MODE_IDLE
&&
13018 agent_flush_quota
> 0 && agent_maybe_flush(obc
)) {
13020 --agent_flush_quota
;
13022 if (started
>= start_max
) {
13023 // If finishing early, set "next" to the next object
13024 if (++p
!= ls
.end())
13030 if (++agent_state
->hist_age
> cct
->_conf
->osd_agent_hist_halflife
) {
13031 dout(20) << __func__
<< " resetting atime and temp histograms" << dendl
;
13032 agent_state
->hist_age
= 0;
13033 agent_state
->temp_hist
.decay();
13036 // Total objects operated on so far
13037 int total_started
= agent_state
->started
+ started
;
13038 bool need_delay
= false;
13040 dout(20) << __func__
<< " start pos " << agent_state
->position
13041 << " next start pos " << next
13042 << " started " << total_started
<< dendl
;
13044 // See if we've made a full pass over the object hash space
13045 // This might check at most ls_max objects a second time to notice that
13046 // we've checked every objects at least once.
13047 if (agent_state
->position
< agent_state
->start
&&
13048 next
>= agent_state
->start
) {
13049 dout(20) << __func__
<< " wrap around " << agent_state
->start
<< dendl
;
13050 if (total_started
== 0)
13054 agent_state
->start
= next
;
13056 agent_state
->started
= total_started
;
13058 // See if we are starting from beginning
13060 agent_state
->position
= hobject_t();
13062 agent_state
->position
= next
;
13064 // Discard old in memory HitSets
13065 hit_set_in_memory_trim(pool
.info
.hit_set_count
);
13068 assert(agent_state
->delaying
== false);
13073 agent_choose_mode();
13078 void PrimaryLogPG::agent_load_hit_sets()
13080 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_IDLE
) {
13084 if (agent_state
->hit_set_map
.size() < info
.hit_set
.history
.size()) {
13085 dout(10) << __func__
<< dendl
;
13086 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
13087 p
!= info
.hit_set
.history
.end(); ++p
) {
13088 if (agent_state
->hit_set_map
.count(p
->begin
.sec()) == 0) {
13089 dout(10) << __func__
<< " loading " << p
->begin
<< "-"
13090 << p
->end
<< dendl
;
13091 if (!pool
.info
.is_replicated()) {
13092 // FIXME: EC not supported here yet
13093 derr
<< __func__
<< " on non-replicated pool" << dendl
;
13097 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
13098 if (is_unreadable_object(oid
)) {
13099 dout(10) << __func__
<< " unreadable " << oid
<< ", waiting" << dendl
;
13103 ObjectContextRef obc
= get_object_context(oid
, false);
13105 derr
<< __func__
<< ": could not load hitset " << oid
<< dendl
;
13111 obc
->ondisk_read_lock();
13112 int r
= osd
->store
->read(ch
, ghobject_t(oid
), 0, 0, bl
);
13114 obc
->ondisk_read_unlock();
13116 HitSetRef
hs(new HitSet
);
13117 bufferlist::iterator pbl
= bl
.begin();
13118 ::decode(*hs
, pbl
);
13119 agent_state
->add_hit_set(p
->begin
.sec(), hs
);
13125 bool PrimaryLogPG::agent_maybe_flush(ObjectContextRef
& obc
)
13127 if (!obc
->obs
.oi
.is_dirty()) {
13128 dout(20) << __func__
<< " skip (clean) " << obc
->obs
.oi
<< dendl
;
13129 osd
->logger
->inc(l_osd_agent_skip
);
13132 if (obc
->obs
.oi
.is_cache_pinned()) {
13133 dout(20) << __func__
<< " skip (cache_pinned) " << obc
->obs
.oi
<< dendl
;
13134 osd
->logger
->inc(l_osd_agent_skip
);
13138 utime_t now
= ceph_clock_now();
13139 utime_t ob_local_mtime
;
13140 if (obc
->obs
.oi
.local_mtime
!= utime_t()) {
13141 ob_local_mtime
= obc
->obs
.oi
.local_mtime
;
13143 ob_local_mtime
= obc
->obs
.oi
.mtime
;
13145 bool evict_mode_full
=
13146 (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
);
13147 if (!evict_mode_full
&&
13148 obc
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
&& // snaps immutable; don't delay
13149 (ob_local_mtime
+ utime_t(pool
.info
.cache_min_flush_age
, 0) > now
)) {
13150 dout(20) << __func__
<< " skip (too young) " << obc
->obs
.oi
<< dendl
;
13151 osd
->logger
->inc(l_osd_agent_skip
);
13155 if (osd
->agent_is_active_oid(obc
->obs
.oi
.soid
)) {
13156 dout(20) << __func__
<< " skip (flushing) " << obc
->obs
.oi
<< dendl
;
13157 osd
->logger
->inc(l_osd_agent_skip
);
13161 dout(10) << __func__
<< " flushing " << obc
->obs
.oi
<< dendl
;
13163 // FIXME: flush anything dirty, regardless of what distribution of
13166 hobject_t oid
= obc
->obs
.oi
.soid
;
13167 osd
->agent_start_op(oid
);
13168 // no need to capture a pg ref, can't outlive fop or ctx
13169 std::function
<void()> on_flush
= [this, oid
]() {
13170 osd
->agent_finish_op(oid
);
13173 int result
= start_flush(
13174 OpRequestRef(), obc
, false, NULL
,
13176 if (result
!= -EINPROGRESS
) {
13178 dout(10) << __func__
<< " start_flush() failed " << obc
->obs
.oi
13179 << " with " << result
<< dendl
;
13180 osd
->logger
->inc(l_osd_agent_skip
);
13184 osd
->logger
->inc(l_osd_agent_flush
);
13188 bool PrimaryLogPG::agent_maybe_evict(ObjectContextRef
& obc
, bool after_flush
)
13190 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
13191 if (!after_flush
&& obc
->obs
.oi
.is_dirty()) {
13192 dout(20) << __func__
<< " skip (dirty) " << obc
->obs
.oi
<< dendl
;
13195 if (!obc
->obs
.oi
.watchers
.empty()) {
13196 dout(20) << __func__
<< " skip (watchers) " << obc
->obs
.oi
<< dendl
;
13199 if (obc
->is_blocked()) {
13200 dout(20) << __func__
<< " skip (blocked) " << obc
->obs
.oi
<< dendl
;
13203 if (obc
->obs
.oi
.is_cache_pinned()) {
13204 dout(20) << __func__
<< " skip (cache_pinned) " << obc
->obs
.oi
<< dendl
;
13208 if (soid
.snap
== CEPH_NOSNAP
) {
13209 int result
= _verify_no_head_clones(soid
, obc
->ssc
->snapset
);
13211 dout(20) << __func__
<< " skip (clones) " << obc
->obs
.oi
<< dendl
;
13216 if (agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
) {
13217 // is this object old than cache_min_evict_age?
13218 utime_t now
= ceph_clock_now();
13219 utime_t ob_local_mtime
;
13220 if (obc
->obs
.oi
.local_mtime
!= utime_t()) {
13221 ob_local_mtime
= obc
->obs
.oi
.local_mtime
;
13223 ob_local_mtime
= obc
->obs
.oi
.mtime
;
13225 if (ob_local_mtime
+ utime_t(pool
.info
.cache_min_evict_age
, 0) > now
) {
13226 dout(20) << __func__
<< " skip (too young) " << obc
->obs
.oi
<< dendl
;
13227 osd
->logger
->inc(l_osd_agent_skip
);
13230 // is this object old and/or cold enough?
13232 uint64_t temp_upper
= 0, temp_lower
= 0;
13234 agent_estimate_temp(soid
, &temp
);
13235 agent_state
->temp_hist
.add(temp
);
13236 agent_state
->temp_hist
.get_position_micro(temp
, &temp_lower
, &temp_upper
);
13238 dout(20) << __func__
13239 << " temp " << temp
13240 << " pos " << temp_lower
<< "-" << temp_upper
13241 << ", evict_effort " << agent_state
->evict_effort
13243 dout(30) << "agent_state:\n";
13244 Formatter
*f
= Formatter::create("");
13245 f
->open_object_section("agent_state");
13246 agent_state
->dump(f
);
13247 f
->close_section();
13252 if (1000000 - temp_upper
>= agent_state
->evict_effort
)
13256 dout(10) << __func__
<< " evicting " << obc
->obs
.oi
<< dendl
;
13257 OpContextUPtr ctx
= simple_opc_create(obc
);
13259 if (!ctx
->lock_manager
.get_lock_type(
13260 ObjectContext::RWState::RWWRITE
,
13264 close_op_ctx(ctx
.release());
13265 dout(20) << __func__
<< " skip (cannot get lock) " << obc
->obs
.oi
<< dendl
;
13269 osd
->agent_start_evict_op();
13270 ctx
->register_on_finish(
13272 osd
->agent_finish_evict_op();
13275 ctx
->at_version
= get_next_version();
13276 assert(ctx
->new_obs
.exists
);
13277 int r
= _delete_oid(ctx
.get(), true, false);
13278 if (obc
->obs
.oi
.is_omap())
13279 ctx
->delta_stats
.num_objects_omap
--;
13280 ctx
->delta_stats
.num_evict
++;
13281 ctx
->delta_stats
.num_evict_kb
+= SHIFT_ROUND_UP(obc
->obs
.oi
.size
, 10);
13282 if (obc
->obs
.oi
.is_dirty())
13283 --ctx
->delta_stats
.num_objects_dirty
;
13285 finish_ctx(ctx
.get(), pg_log_entry_t::DELETE
, false);
13286 simple_opc_submit(std::move(ctx
));
13287 osd
->logger
->inc(l_osd_tier_evict
);
13288 osd
->logger
->inc(l_osd_agent_evict
);
13292 void PrimaryLogPG::agent_stop()
13294 dout(20) << __func__
<< dendl
;
13295 if (agent_state
&& !agent_state
->is_idle()) {
13296 agent_state
->evict_mode
= TierAgentState::EVICT_MODE_IDLE
;
13297 agent_state
->flush_mode
= TierAgentState::FLUSH_MODE_IDLE
;
13298 osd
->agent_disable_pg(this, agent_state
->evict_effort
);
13302 void PrimaryLogPG::agent_delay()
13304 dout(20) << __func__
<< dendl
;
13305 if (agent_state
&& !agent_state
->is_idle()) {
13306 assert(agent_state
->delaying
== false);
13307 agent_state
->delaying
= true;
13308 osd
->agent_disable_pg(this, agent_state
->evict_effort
);
13312 void PrimaryLogPG::agent_choose_mode_restart()
13314 dout(20) << __func__
<< dendl
;
13316 if (agent_state
&& agent_state
->delaying
) {
13317 agent_state
->delaying
= false;
13318 agent_choose_mode(true);
13323 bool PrimaryLogPG::agent_choose_mode(bool restart
, OpRequestRef op
)
13325 bool requeued
= false;
13326 // Let delay play out
13327 if (agent_state
->delaying
) {
13328 dout(20) << __func__
<< this << " delaying, ignored" << dendl
;
13332 TierAgentState::flush_mode_t flush_mode
= TierAgentState::FLUSH_MODE_IDLE
;
13333 TierAgentState::evict_mode_t evict_mode
= TierAgentState::EVICT_MODE_IDLE
;
13334 unsigned evict_effort
= 0;
13336 if (info
.stats
.stats_invalid
) {
13337 // idle; stats can't be trusted until we scrub.
13338 dout(20) << __func__
<< " stats invalid (post-split), idle" << dendl
;
13343 uint64_t divisor
= pool
.info
.get_pg_num_divisor(info
.pgid
.pgid
);
13344 assert(divisor
> 0);
13346 // adjust (effective) user objects down based on the number
13347 // of HitSet objects, which should not count toward our total since
13348 // they cannot be flushed.
13349 uint64_t unflushable
= info
.stats
.stats
.sum
.num_objects_hit_set_archive
;
13351 // also exclude omap objects if ec backing pool
13352 const pg_pool_t
*base_pool
= get_osdmap()->get_pg_pool(pool
.info
.tier_of
);
13354 if (!base_pool
->supports_omap())
13355 unflushable
+= info
.stats
.stats
.sum
.num_objects_omap
;
13357 uint64_t num_user_objects
= info
.stats
.stats
.sum
.num_objects
;
13358 if (num_user_objects
> unflushable
)
13359 num_user_objects
-= unflushable
;
13361 num_user_objects
= 0;
13363 uint64_t num_user_bytes
= info
.stats
.stats
.sum
.num_bytes
;
13364 uint64_t unflushable_bytes
= info
.stats
.stats
.sum
.num_bytes_hit_set_archive
;
13365 num_user_bytes
-= unflushable_bytes
;
13366 uint64_t num_overhead_bytes
= osd
->store
->estimate_objects_overhead(num_user_objects
);
13367 num_user_bytes
+= num_overhead_bytes
;
13369 // also reduce the num_dirty by num_objects_omap
13370 int64_t num_dirty
= info
.stats
.stats
.sum
.num_objects_dirty
;
13371 if (!base_pool
->supports_omap()) {
13372 if (num_dirty
> info
.stats
.stats
.sum
.num_objects_omap
)
13373 num_dirty
-= info
.stats
.stats
.sum
.num_objects_omap
;
13378 dout(10) << __func__
13380 << TierAgentState::get_flush_mode_name(agent_state
->flush_mode
)
13382 << TierAgentState::get_evict_mode_name(agent_state
->evict_mode
)
13383 << " num_objects: " << info
.stats
.stats
.sum
.num_objects
13384 << " num_bytes: " << info
.stats
.stats
.sum
.num_bytes
13385 << " num_objects_dirty: " << info
.stats
.stats
.sum
.num_objects_dirty
13386 << " num_objects_omap: " << info
.stats
.stats
.sum
.num_objects_omap
13387 << " num_dirty: " << num_dirty
13388 << " num_user_objects: " << num_user_objects
13389 << " num_user_bytes: " << num_user_bytes
13390 << " num_overhead_bytes: " << num_overhead_bytes
13391 << " pool.info.target_max_bytes: " << pool
.info
.target_max_bytes
13392 << " pool.info.target_max_objects: " << pool
.info
.target_max_objects
13395 // get dirty, full ratios
13396 uint64_t dirty_micro
= 0;
13397 uint64_t full_micro
= 0;
13398 if (pool
.info
.target_max_bytes
&& num_user_objects
> 0) {
13399 uint64_t avg_size
= num_user_bytes
/ num_user_objects
;
13401 num_dirty
* avg_size
* 1000000 /
13402 MAX(pool
.info
.target_max_bytes
/ divisor
, 1);
13404 num_user_objects
* avg_size
* 1000000 /
13405 MAX(pool
.info
.target_max_bytes
/ divisor
, 1);
13407 if (pool
.info
.target_max_objects
> 0) {
13408 uint64_t dirty_objects_micro
=
13409 num_dirty
* 1000000 /
13410 MAX(pool
.info
.target_max_objects
/ divisor
, 1);
13411 if (dirty_objects_micro
> dirty_micro
)
13412 dirty_micro
= dirty_objects_micro
;
13413 uint64_t full_objects_micro
=
13414 num_user_objects
* 1000000 /
13415 MAX(pool
.info
.target_max_objects
/ divisor
, 1);
13416 if (full_objects_micro
> full_micro
)
13417 full_micro
= full_objects_micro
;
13419 dout(20) << __func__
<< " dirty " << ((float)dirty_micro
/ 1000000.0)
13420 << " full " << ((float)full_micro
/ 1000000.0)
13424 uint64_t flush_target
= pool
.info
.cache_target_dirty_ratio_micro
;
13425 uint64_t flush_high_target
= pool
.info
.cache_target_dirty_high_ratio_micro
;
13426 uint64_t flush_slop
= (float)flush_target
* cct
->_conf
->osd_agent_slop
;
13427 if (restart
|| agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_IDLE
) {
13428 flush_target
+= flush_slop
;
13429 flush_high_target
+= flush_slop
;
13431 flush_target
-= MIN(flush_target
, flush_slop
);
13432 flush_high_target
-= MIN(flush_high_target
, flush_slop
);
13435 if (dirty_micro
> flush_high_target
) {
13436 flush_mode
= TierAgentState::FLUSH_MODE_HIGH
;
13437 } else if (dirty_micro
> flush_target
) {
13438 flush_mode
= TierAgentState::FLUSH_MODE_LOW
;
13442 uint64_t evict_target
= pool
.info
.cache_target_full_ratio_micro
;
13443 uint64_t evict_slop
= (float)evict_target
* cct
->_conf
->osd_agent_slop
;
13444 if (restart
|| agent_state
->evict_mode
== TierAgentState::EVICT_MODE_IDLE
)
13445 evict_target
+= evict_slop
;
13447 evict_target
-= MIN(evict_target
, evict_slop
);
13449 if (full_micro
> 1000000) {
13450 // evict anything clean
13451 evict_mode
= TierAgentState::EVICT_MODE_FULL
;
13452 evict_effort
= 1000000;
13453 } else if (full_micro
> evict_target
) {
13454 // set effort in [0..1] range based on where we are between
13455 evict_mode
= TierAgentState::EVICT_MODE_SOME
;
13456 uint64_t over
= full_micro
- evict_target
;
13457 uint64_t span
= 1000000 - evict_target
;
13458 evict_effort
= MAX(over
* 1000000 / span
,
13459 (unsigned)(1000000.0 * cct
->_conf
->osd_agent_min_evict_effort
));
13461 // quantize effort to avoid too much reordering in the agent_queue.
13462 uint64_t inc
= cct
->_conf
->osd_agent_quantize_effort
* 1000000;
13464 uint64_t was
= evict_effort
;
13465 evict_effort
-= evict_effort
% inc
;
13466 if (evict_effort
< inc
)
13467 evict_effort
= inc
;
13468 assert(evict_effort
>= inc
&& evict_effort
<= 1000000);
13469 dout(30) << __func__
<< " evict_effort " << was
<< " quantized by " << inc
<< " to " << evict_effort
<< dendl
;
13474 bool old_idle
= agent_state
->is_idle();
13475 if (flush_mode
!= agent_state
->flush_mode
) {
13476 dout(5) << __func__
<< " flush_mode "
13477 << TierAgentState::get_flush_mode_name(agent_state
->flush_mode
)
13479 << TierAgentState::get_flush_mode_name(flush_mode
)
13481 if (flush_mode
== TierAgentState::FLUSH_MODE_HIGH
) {
13482 osd
->agent_inc_high_count();
13483 info
.stats
.stats
.sum
.num_flush_mode_high
= 1;
13484 } else if (flush_mode
== TierAgentState::FLUSH_MODE_LOW
) {
13485 info
.stats
.stats
.sum
.num_flush_mode_low
= 1;
13487 if (agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_HIGH
) {
13488 osd
->agent_dec_high_count();
13489 info
.stats
.stats
.sum
.num_flush_mode_high
= 0;
13490 } else if (agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_LOW
) {
13491 info
.stats
.stats
.sum
.num_flush_mode_low
= 0;
13493 agent_state
->flush_mode
= flush_mode
;
13495 if (evict_mode
!= agent_state
->evict_mode
) {
13496 dout(5) << __func__
<< " evict_mode "
13497 << TierAgentState::get_evict_mode_name(agent_state
->evict_mode
)
13499 << TierAgentState::get_evict_mode_name(evict_mode
)
13501 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
&&
13505 requeue_ops(waiting_for_flush
);
13506 requeue_ops(waiting_for_active
);
13507 requeue_ops(waiting_for_scrub
);
13508 requeue_ops(waiting_for_cache_not_full
);
13509 objects_blocked_on_cache_full
.clear();
13512 if (evict_mode
== TierAgentState::EVICT_MODE_SOME
) {
13513 info
.stats
.stats
.sum
.num_evict_mode_some
= 1;
13514 } else if (evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
13515 info
.stats
.stats
.sum
.num_evict_mode_full
= 1;
13517 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_SOME
) {
13518 info
.stats
.stats
.sum
.num_evict_mode_some
= 0;
13519 } else if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
13520 info
.stats
.stats
.sum
.num_evict_mode_full
= 0;
13522 agent_state
->evict_mode
= evict_mode
;
13524 uint64_t old_effort
= agent_state
->evict_effort
;
13525 if (evict_effort
!= agent_state
->evict_effort
) {
13526 dout(5) << __func__
<< " evict_effort "
13527 << ((float)agent_state
->evict_effort
/ 1000000.0)
13529 << ((float)evict_effort
/ 1000000.0)
13531 agent_state
->evict_effort
= evict_effort
;
13534 // NOTE: we are using evict_effort as a proxy for *all* agent effort
13535 // (including flush). This is probably fine (they should be
13536 // correlated) but it is not precisely correct.
13537 if (agent_state
->is_idle()) {
13538 if (!restart
&& !old_idle
) {
13539 osd
->agent_disable_pg(this, old_effort
);
13542 if (restart
|| old_idle
) {
13543 osd
->agent_enable_pg(this, agent_state
->evict_effort
);
13544 } else if (old_effort
!= agent_state
->evict_effort
) {
13545 osd
->agent_adjust_pg(this, old_effort
, agent_state
->evict_effort
);
13551 void PrimaryLogPG::agent_estimate_temp(const hobject_t
& oid
, int *temp
)
13556 if (hit_set
->contains(oid
))
13559 int last_n
= pool
.info
.hit_set_search_last_n
;
13560 for (map
<time_t,HitSetRef
>::reverse_iterator p
=
13561 agent_state
->hit_set_map
.rbegin(); last_n
> 0 &&
13562 p
!= agent_state
->hit_set_map
.rend(); ++p
, ++i
) {
13563 if (p
->second
->contains(oid
)) {
13564 *temp
+= pool
.info
.get_grade(i
);
13570 // Dup op detection
13572 bool PrimaryLogPG::already_complete(eversion_t v
)
13574 dout(20) << __func__
<< ": " << v
<< dendl
;
13575 for (xlist
<RepGather
*>::iterator i
= repop_queue
.begin();
13578 dout(20) << __func__
<< ": " << **i
<< dendl
;
13579 // skip copy from temp object ops
13580 if ((*i
)->v
== eversion_t()) {
13581 dout(20) << __func__
<< ": " << **i
13582 << " version is empty" << dendl
;
13586 dout(20) << __func__
<< ": " << **i
13587 << " (*i)->v past v" << dendl
;
13590 if (!(*i
)->all_committed
) {
13591 dout(20) << __func__
<< ": " << **i
13592 << " not committed, returning false"
13597 dout(20) << __func__
<< ": returning true" << dendl
;
13601 bool PrimaryLogPG::already_ack(eversion_t v
)
13603 dout(20) << __func__
<< ": " << v
<< dendl
;
13604 for (xlist
<RepGather
*>::iterator i
= repop_queue
.begin();
13607 // skip copy from temp object ops
13608 if ((*i
)->v
== eversion_t()) {
13609 dout(20) << __func__
<< ": " << **i
13610 << " version is empty" << dendl
;
13614 dout(20) << __func__
<< ": " << **i
13615 << " (*i)->v past v" << dendl
;
13618 if (!(*i
)->all_applied
) {
13619 dout(20) << __func__
<< ": " << **i
13620 << " not applied, returning false"
13625 dout(20) << __func__
<< ": returning true" << dendl
;
13630 // ==========================================================================================
13634 bool PrimaryLogPG::_range_available_for_scrub(
13635 const hobject_t
&begin
, const hobject_t
&end
)
13637 pair
<hobject_t
, ObjectContextRef
> next
;
13638 next
.second
= object_contexts
.lookup(begin
);
13639 next
.first
= begin
;
13641 while (more
&& next
.first
< end
) {
13642 if (next
.second
&& next
.second
->is_blocked()) {
13643 next
.second
->requeue_scrub_on_unblock
= true;
13644 dout(10) << __func__
<< ": scrub delayed, "
13645 << next
.first
<< " is blocked"
13649 more
= object_contexts
.get_next(next
.first
, &next
);
13654 static bool doing_clones(const boost::optional
<SnapSet
> &snapset
,
13655 const vector
<snapid_t
>::reverse_iterator
&curclone
) {
13656 return snapset
&& curclone
!= snapset
.get().clones
.rend();
13659 void PrimaryLogPG::log_missing(unsigned missing
,
13660 const boost::optional
<hobject_t
> &head
,
13661 LogChannelRef clog
,
13665 bool allow_incomplete_clones
)
13668 if (allow_incomplete_clones
) {
13669 dout(20) << func
<< " " << mode
<< " " << pgid
<< " " << head
.get()
13670 << " skipped " << missing
<< " clone(s) in cache tier" << dendl
;
13672 clog
->info() << mode
<< " " << pgid
<< " " << head
.get()
13673 << " " << missing
<< " missing clone(s)";
13677 unsigned PrimaryLogPG::process_clones_to(const boost::optional
<hobject_t
> &head
,
13678 const boost::optional
<SnapSet
> &snapset
,
13679 LogChannelRef clog
,
13682 bool allow_incomplete_clones
,
13683 boost::optional
<snapid_t
> target
,
13684 vector
<snapid_t
>::reverse_iterator
*curclone
,
13685 inconsistent_snapset_wrapper
&e
)
13689 unsigned missing
= 0;
13691 // NOTE: clones are in descending order, thus **curclone > target test here
13692 hobject_t
next_clone(head
.get());
13693 while(doing_clones(snapset
, *curclone
) && (!target
|| **curclone
> *target
)) {
13695 // it is okay to be missing one or more clones in a cache tier.
13696 // skip higher-numbered clones in the list.
13697 if (!allow_incomplete_clones
) {
13698 next_clone
.snap
= **curclone
;
13699 clog
->error() << mode
<< " " << pgid
<< " " << head
.get()
13700 << " expected clone " << next_clone
<< " " << missing
13702 ++scrubber
.shallow_errors
;
13703 e
.set_clone_missing(next_clone
.snap
);
13705 // Clones are descending
13712 * Validate consistency of the object info and snap sets.
13714 * We are sort of comparing 2 lists. The main loop is on objmap.objects. But
13715 * the comparison of the objects is against multiple snapset.clones. There are
13716 * multiple clone lists and in between lists we expect head or snapdir.
13722 * obj1 snap 1 head/snapdir, unexpected obj1 snap 1
13723 * obj2 head head/snapdir, head ok
13724 * [SnapSet clones 6 4 2 1]
13725 * obj2 snap 7 obj2 snap 6, unexpected obj2 snap 7
13726 * obj2 snap 6 obj2 snap 6, match
13727 * obj2 snap 4 obj2 snap 4, match
13728 * obj3 head obj2 snap 2 (expected), obj2 snap 1 (expected), head ok
13729 * [Snapset clones 3 1]
13730 * obj3 snap 3 obj3 snap 3 match
13731 * obj3 snap 1 obj3 snap 1 match
13732 * obj4 snapdir head/snapdir, snapdir ok
13733 * [Snapset clones 4]
13734 * EOL obj4 snap 4, (expected)
13736 void PrimaryLogPG::scrub_snapshot_metadata(
13737 ScrubMap
&scrubmap
,
13738 const map
<hobject_t
, pair
<uint32_t, uint32_t>> &missing_digest
)
13740 dout(10) << __func__
<< dendl
;
13742 coll_t
c(info
.pgid
);
13743 bool repair
= state_test(PG_STATE_REPAIR
);
13744 bool deep_scrub
= state_test(PG_STATE_DEEP_SCRUB
);
13745 const char *mode
= (repair
? "repair": (deep_scrub
? "deep-scrub" : "scrub"));
13746 boost::optional
<snapid_t
> all_clones
; // Unspecified snapid_t or boost::none
13748 /// snapsets to repair
13749 map
<hobject_t
,SnapSet
> snapset_to_repair
;
13751 // traverse in reverse order.
13752 boost::optional
<hobject_t
> head
;
13753 boost::optional
<SnapSet
> snapset
; // If initialized so will head (above)
13754 vector
<snapid_t
>::reverse_iterator curclone
; // Defined only if snapset initialized
13755 unsigned missing
= 0;
13756 inconsistent_snapset_wrapper soid_error
, head_error
;
13758 bufferlist last_data
;
13760 for (map
<hobject_t
,ScrubMap::object
>::reverse_iterator
13761 p
= scrubmap
.objects
.rbegin(); p
!= scrubmap
.objects
.rend(); ++p
) {
13762 const hobject_t
& soid
= p
->first
;
13763 soid_error
= inconsistent_snapset_wrapper
{soid
};
13764 object_stat_sum_t stat
;
13765 boost::optional
<object_info_t
> oi
;
13767 if (!soid
.is_snapdir())
13768 stat
.num_objects
++;
13770 if (soid
.nspace
== cct
->_conf
->osd_hit_set_namespace
)
13771 stat
.num_objects_hit_set_archive
++;
13773 if (soid
.is_snap()) {
13775 stat
.num_object_clones
++;
13779 if (p
->second
.attrs
.count(OI_ATTR
) == 0) {
13781 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13782 << " no '" << OI_ATTR
<< "' attr";
13783 ++scrubber
.shallow_errors
;
13784 soid_error
.set_oi_attr_missing();
13787 bv
.push_back(p
->second
.attrs
[OI_ATTR
]);
13789 oi
= object_info_t(); // Initialize optional<> before decode into it
13790 oi
.get().decode(bv
);
13791 } catch (buffer::error
& e
) {
13793 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13794 << " can't decode '" << OI_ATTR
<< "' attr " << e
.what();
13795 ++scrubber
.shallow_errors
;
13796 soid_error
.set_oi_attr_corrupted();
13797 soid_error
.set_oi_attr_missing(); // Not available too
13802 if (pgbackend
->be_get_ondisk_size(oi
->size
) != p
->second
.size
) {
13803 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13804 << " on disk size (" << p
->second
.size
13805 << ") does not match object info size ("
13806 << oi
->size
<< ") adjusted for ondisk to ("
13807 << pgbackend
->be_get_ondisk_size(oi
->size
)
13809 soid_error
.set_size_mismatch();
13810 ++scrubber
.shallow_errors
;
13813 dout(20) << mode
<< " " << soid
<< " " << oi
.get() << dendl
;
13815 // A clone num_bytes will be added later when we have snapset
13816 if (!soid
.is_snap()) {
13817 stat
.num_bytes
+= oi
->size
;
13819 if (soid
.nspace
== cct
->_conf
->osd_hit_set_namespace
)
13820 stat
.num_bytes_hit_set_archive
+= oi
->size
;
13822 if (!soid
.is_snapdir()) {
13823 if (oi
->is_dirty())
13824 ++stat
.num_objects_dirty
;
13825 if (oi
->is_whiteout())
13826 ++stat
.num_whiteouts
;
13828 ++stat
.num_objects_omap
;
13829 if (oi
->is_cache_pinned())
13830 ++stat
.num_objects_pinned
;
13833 // pessimistic assumption that this object might contain a
13835 stat
.num_legacy_snapsets
++;
13838 // Check for any problems while processing clones
13839 if (doing_clones(snapset
, curclone
)) {
13840 boost::optional
<snapid_t
> target
;
13841 // Expecting an object with snap for current head
13842 if (soid
.has_snapset() || soid
.get_head() != head
->get_head()) {
13844 dout(10) << __func__
<< " " << mode
<< " " << info
.pgid
<< " new object "
13845 << soid
<< " while processing " << head
.get() << dendl
;
13847 target
= all_clones
;
13849 assert(soid
.is_snap());
13850 target
= soid
.snap
;
13853 // Log any clones we were expecting to be there up to target
13854 // This will set missing, but will be a no-op if snap.soid == *curclone.
13855 missing
+= process_clones_to(head
, snapset
, osd
->clog
, info
.pgid
, mode
,
13856 pool
.info
.allow_incomplete_clones(), target
, &curclone
,
13860 // Check doing_clones() again in case we ran process_clones_to()
13861 if (doing_clones(snapset
, curclone
)) {
13862 // A head/snapdir would have processed all clones above
13863 // or all greater than *curclone.
13864 assert(soid
.is_snap() && *curclone
<= soid
.snap
);
13866 // After processing above clone snap should match the expected curclone
13867 expected
= (*curclone
== soid
.snap
);
13869 // If we aren't doing clones any longer, then expecting head/snapdir
13870 expected
= soid
.has_snapset();
13873 // If we couldn't read the head's snapset, just ignore clones
13874 if (head
&& !snapset
) {
13875 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13876 << " clone ignored due to missing snapset";
13878 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13879 << " is an unexpected clone";
13881 ++scrubber
.shallow_errors
;
13882 soid_error
.set_headless();
13883 scrubber
.store
->add_snap_error(pool
.id
, soid_error
);
13884 if (head
&& soid
.get_head() == head
->get_head())
13885 head_error
.set_clone(soid
.snap
);
13890 if (soid
.has_snapset()) {
13893 log_missing(missing
, head
, osd
->clog
, info
.pgid
, __func__
, mode
,
13894 pool
.info
.allow_incomplete_clones());
13897 // Save previous head error information
13898 if (head
&& head_error
.errors
)
13899 scrubber
.store
->add_snap_error(pool
.id
, head_error
);
13900 // Set this as a new head object
13903 head_error
= soid_error
;
13905 dout(20) << __func__
<< " " << mode
<< " new head " << head
<< dendl
;
13907 if (p
->second
.attrs
.count(SS_ATTR
) == 0) {
13908 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13909 << " no '" << SS_ATTR
<< "' attr";
13910 ++scrubber
.shallow_errors
;
13911 snapset
= boost::none
;
13912 head_error
.set_ss_attr_missing();
13915 bl
.push_back(p
->second
.attrs
[SS_ATTR
]);
13916 bufferlist::iterator blp
= bl
.begin();
13918 snapset
= SnapSet(); // Initialize optional<> before decoding into it
13919 ::decode(snapset
.get(), blp
);
13920 } catch (buffer::error
& e
) {
13921 snapset
= boost::none
;
13922 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13923 << " can't decode '" << SS_ATTR
<< "' attr " << e
.what();
13924 ++scrubber
.shallow_errors
;
13925 head_error
.set_ss_attr_corrupted();
13930 // what will be next?
13931 curclone
= snapset
->clones
.rbegin();
13933 if (!snapset
->clones
.empty()) {
13934 dout(20) << " snapset " << snapset
.get() << dendl
;
13935 if (snapset
->seq
== 0) {
13936 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13937 << " snaps.seq not set";
13938 ++scrubber
.shallow_errors
;
13939 head_error
.set_snapset_mismatch();
13943 if (soid
.is_head() && !snapset
->head_exists
) {
13944 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13945 << " snapset.head_exists=false, but head exists";
13946 ++scrubber
.shallow_errors
;
13947 head_error
.set_head_mismatch();
13948 // Fix head_exists locally so is_legacy() returns correctly
13949 snapset
->head_exists
= true;
13951 if (soid
.is_snapdir() && snapset
->head_exists
) {
13952 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13953 << " snapset.head_exists=true, but snapdir exists";
13954 ++scrubber
.shallow_errors
;
13955 head_error
.set_head_mismatch();
13956 // For symmetry fix this too, but probably doesn't matter
13957 snapset
->head_exists
= false;
13960 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_LUMINOUS
) {
13961 if (soid
.is_snapdir()) {
13962 dout(10) << " will move snapset to head from " << soid
<< dendl
;
13963 snapset_to_repair
[soid
.get_head()] = *snapset
;
13964 } else if (snapset
->is_legacy()) {
13965 dout(10) << " will convert legacy snapset on " << soid
<< " " << *snapset
13967 snapset_to_repair
[soid
.get_head()] = *snapset
;
13970 stat
.num_legacy_snapsets
++;
13973 // pessimistic assumption that this object might contain a
13975 stat
.num_legacy_snapsets
++;
13978 assert(soid
.is_snap());
13981 assert(soid
.snap
== *curclone
);
13983 dout(20) << __func__
<< " " << mode
<< " matched clone " << soid
<< dendl
;
13985 if (snapset
->clone_size
.count(soid
.snap
) == 0) {
13986 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13987 << " is missing in clone_size";
13988 ++scrubber
.shallow_errors
;
13989 soid_error
.set_size_mismatch();
13991 if (oi
&& oi
->size
!= snapset
->clone_size
[soid
.snap
]) {
13992 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13993 << " size " << oi
->size
<< " != clone_size "
13994 << snapset
->clone_size
[*curclone
];
13995 ++scrubber
.shallow_errors
;
13996 soid_error
.set_size_mismatch();
13999 if (snapset
->clone_overlap
.count(soid
.snap
) == 0) {
14000 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14001 << " is missing in clone_overlap";
14002 ++scrubber
.shallow_errors
;
14003 soid_error
.set_size_mismatch();
14005 // This checking is based on get_clone_bytes(). The first 2 asserts
14006 // can't happen because we know we have a clone_size and
14007 // a clone_overlap. Now we check that the interval_set won't
14008 // cause the last assert.
14009 uint64_t size
= snapset
->clone_size
.find(soid
.snap
)->second
;
14010 const interval_set
<uint64_t> &overlap
=
14011 snapset
->clone_overlap
.find(soid
.snap
)->second
;
14012 bool bad_interval_set
= false;
14013 for (interval_set
<uint64_t>::const_iterator i
= overlap
.begin();
14014 i
!= overlap
.end(); ++i
) {
14015 if (size
< i
.get_len()) {
14016 bad_interval_set
= true;
14019 size
-= i
.get_len();
14022 if (bad_interval_set
) {
14023 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14024 << " bad interval_set in clone_overlap";
14025 ++scrubber
.shallow_errors
;
14026 soid_error
.set_size_mismatch();
14028 stat
.num_bytes
+= snapset
->get_clone_bytes(soid
.snap
);
14033 // migrate legacy_snaps to snapset?
14034 auto p
= snapset_to_repair
.find(soid
.get_head());
14035 if (p
!= snapset_to_repair
.end()) {
14036 if (!oi
|| oi
->legacy_snaps
.empty()) {
14037 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14038 << " has no oi or legacy_snaps; cannot convert "
14040 ++scrubber
.shallow_errors
;
14042 dout(20) << __func__
<< " copying legacy_snaps " << oi
->legacy_snaps
14043 << " to snapset " << p
->second
<< dendl
;
14044 p
->second
.clone_snaps
[soid
.snap
] = oi
->legacy_snaps
;
14050 if (soid_error
.errors
)
14051 scrubber
.store
->add_snap_error(pool
.id
, soid_error
);
14054 scrub_cstat
.add(stat
);
14057 if (doing_clones(snapset
, curclone
)) {
14058 dout(10) << __func__
<< " " << mode
<< " " << info
.pgid
14059 << " No more objects while processing " << head
.get() << dendl
;
14061 missing
+= process_clones_to(head
, snapset
, osd
->clog
, info
.pgid
, mode
,
14062 pool
.info
.allow_incomplete_clones(), all_clones
, &curclone
,
14065 // There could be missing found by the test above or even
14066 // before dropping out of the loop for the last head.
14068 log_missing(missing
, head
, osd
->clog
, info
.pgid
, __func__
,
14069 mode
, pool
.info
.allow_incomplete_clones());
14071 if (head
&& head_error
.errors
)
14072 scrubber
.store
->add_snap_error(pool
.id
, head_error
);
14074 for (map
<hobject_t
,pair
<uint32_t,uint32_t>>::const_iterator p
=
14075 missing_digest
.begin();
14076 p
!= missing_digest
.end();
14078 if (p
->first
.is_snapdir())
14080 dout(10) << __func__
<< " recording digests for " << p
->first
<< dendl
;
14081 ObjectContextRef obc
= get_object_context(p
->first
, false);
14083 osd
->clog
->error() << info
.pgid
<< " " << mode
14084 << " cannot get object context for object "
14087 } else if (obc
->obs
.oi
.soid
!= p
->first
) {
14088 osd
->clog
->error() << info
.pgid
<< " " << mode
14089 << " object " << p
->first
14090 << " has a valid oi attr with a mismatched name, "
14091 << " obc->obs.oi.soid: " << obc
->obs
.oi
.soid
;
14094 OpContextUPtr ctx
= simple_opc_create(obc
);
14095 ctx
->at_version
= get_next_version();
14096 ctx
->mtime
= utime_t(); // do not update mtime
14097 ctx
->new_obs
.oi
.set_data_digest(p
->second
.first
);
14098 ctx
->new_obs
.oi
.set_omap_digest(p
->second
.second
);
14099 finish_ctx(ctx
.get(), pg_log_entry_t::MODIFY
);
14101 ctx
->register_on_success(
14103 dout(20) << "updating scrub digest" << dendl
;
14104 if (--scrubber
.num_digest_updates_pending
== 0) {
14109 simple_opc_submit(std::move(ctx
));
14110 ++scrubber
.num_digest_updates_pending
;
14112 for (auto& p
: snapset_to_repair
) {
14113 // cache pools may not have the clones, which means we won't know
14114 // what snaps they have. fake out the clone_snaps entries anyway (with
14115 // blank snap lists).
14116 p
.second
.head_exists
= true;
14117 if (pool
.info
.allow_incomplete_clones()) {
14118 for (auto s
: p
.second
.clones
) {
14119 if (p
.second
.clone_snaps
.count(s
) == 0) {
14120 dout(10) << __func__
<< " " << p
.first
<< " faking clone_snaps for "
14122 p
.second
.clone_snaps
[s
];
14126 if (p
.second
.clones
.size() != p
.second
.clone_snaps
.size() ||
14127 p
.second
.is_legacy()) {
14128 // this happens if we encounter other errors above, like a missing
14130 dout(10) << __func__
<< " not writing snapset to " << p
.first
14131 << " snapset " << p
.second
<< " clones " << p
.second
.clones
14132 << "; didn't convert fully" << dendl
;
14133 scrub_cstat
.sum
.num_legacy_snapsets
++;
14136 dout(10) << __func__
<< " writing snapset to " << p
.first
14137 << " " << p
.second
<< dendl
;
14138 ObjectContextRef obc
= get_object_context(p
.first
, true);
14140 osd
->clog
->error() << info
.pgid
<< " " << mode
14141 << " cannot get object context for object "
14144 } else if (obc
->obs
.oi
.soid
!= p
.first
) {
14145 osd
->clog
->error() << info
.pgid
<< " " << mode
14146 << " object " << p
.first
14147 << " has a valid oi attr with a mismatched name, "
14148 << " obc->obs.oi.soid: " << obc
->obs
.oi
.soid
;
14151 ObjectContextRef snapset_obc
;
14152 if (!obc
->obs
.exists
) {
14153 snapset_obc
= get_object_context(p
.first
.get_snapdir(), false);
14154 if (!snapset_obc
) {
14155 osd
->clog
->error() << info
.pgid
<< " " << mode
14156 << " cannot get object context for "
14157 << p
.first
.get_snapdir();
14161 OpContextUPtr ctx
= simple_opc_create(obc
);
14162 PGTransaction
*t
= ctx
->op_t
.get();
14163 ctx
->snapset_obc
= snapset_obc
;
14164 ctx
->at_version
= get_next_version();
14165 ctx
->mtime
= utime_t(); // do not update mtime
14166 ctx
->new_snapset
= p
.second
;
14167 if (!ctx
->new_obs
.exists
) {
14168 dout(20) << __func__
<< " making " << p
.first
<< " a whiteout" << dendl
;
14169 ctx
->new_obs
.exists
= true;
14170 ctx
->new_snapset
.head_exists
= true;
14171 ctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
14172 ++ctx
->delta_stats
.num_whiteouts
;
14173 ++ctx
->delta_stats
.num_objects
;
14174 t
->create(p
.first
);
14175 if (p
.first
< scrubber
.start
) {
14176 dout(20) << __func__
<< " kludging around update outside of scrub range"
14179 scrub_cstat
.add(ctx
->delta_stats
);
14182 dout(20) << __func__
<< " final snapset " << ctx
->new_snapset
<< dendl
;
14183 assert(!ctx
->new_snapset
.is_legacy());
14184 finish_ctx(ctx
.get(), pg_log_entry_t::MODIFY
);
14185 ctx
->register_on_success(
14187 dout(20) << "updating snapset" << dendl
;
14188 if (--scrubber
.num_digest_updates_pending
== 0) {
14193 simple_opc_submit(std::move(ctx
));
14194 ++scrubber
.num_digest_updates_pending
;
14197 dout(10) << __func__
<< " (" << mode
<< ") finish" << dendl
;
14200 void PrimaryLogPG::_scrub_clear_state()
14202 scrub_cstat
= object_stat_collection_t();
14205 void PrimaryLogPG::_scrub_finish()
14207 bool repair
= state_test(PG_STATE_REPAIR
);
14208 bool deep_scrub
= state_test(PG_STATE_DEEP_SCRUB
);
14209 const char *mode
= (repair
? "repair": (deep_scrub
? "deep-scrub" : "scrub"));
14211 if (info
.stats
.stats_invalid
) {
14212 info
.stats
.stats
= scrub_cstat
;
14213 info
.stats
.stats_invalid
= false;
14216 agent_choose_mode();
14219 dout(10) << mode
<< " got "
14220 << scrub_cstat
.sum
.num_objects
<< "/" << info
.stats
.stats
.sum
.num_objects
<< " objects, "
14221 << scrub_cstat
.sum
.num_object_clones
<< "/" << info
.stats
.stats
.sum
.num_object_clones
<< " clones, "
14222 << scrub_cstat
.sum
.num_objects_dirty
<< "/" << info
.stats
.stats
.sum
.num_objects_dirty
<< " dirty, "
14223 << scrub_cstat
.sum
.num_objects_omap
<< "/" << info
.stats
.stats
.sum
.num_objects_omap
<< " omap, "
14224 << scrub_cstat
.sum
.num_objects_pinned
<< "/" << info
.stats
.stats
.sum
.num_objects_pinned
<< " pinned, "
14225 << scrub_cstat
.sum
.num_objects_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_objects_hit_set_archive
<< " hit_set_archive, "
14226 << scrub_cstat
.sum
.num_bytes
<< "/" << info
.stats
.stats
.sum
.num_bytes
<< " bytes, "
14227 << scrub_cstat
.sum
.num_bytes_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_bytes_hit_set_archive
<< " hit_set_archive bytes."
14230 if (scrub_cstat
.sum
.num_objects
!= info
.stats
.stats
.sum
.num_objects
||
14231 scrub_cstat
.sum
.num_object_clones
!= info
.stats
.stats
.sum
.num_object_clones
||
14232 (scrub_cstat
.sum
.num_objects_dirty
!= info
.stats
.stats
.sum
.num_objects_dirty
&&
14233 !info
.stats
.dirty_stats_invalid
) ||
14234 (scrub_cstat
.sum
.num_objects_omap
!= info
.stats
.stats
.sum
.num_objects_omap
&&
14235 !info
.stats
.omap_stats_invalid
) ||
14236 (scrub_cstat
.sum
.num_objects_pinned
!= info
.stats
.stats
.sum
.num_objects_pinned
&&
14237 !info
.stats
.pin_stats_invalid
) ||
14238 (scrub_cstat
.sum
.num_objects_hit_set_archive
!= info
.stats
.stats
.sum
.num_objects_hit_set_archive
&&
14239 !info
.stats
.hitset_stats_invalid
) ||
14240 (scrub_cstat
.sum
.num_bytes_hit_set_archive
!= info
.stats
.stats
.sum
.num_bytes_hit_set_archive
&&
14241 !info
.stats
.hitset_bytes_stats_invalid
) ||
14242 scrub_cstat
.sum
.num_whiteouts
!= info
.stats
.stats
.sum
.num_whiteouts
||
14243 scrub_cstat
.sum
.num_bytes
!= info
.stats
.stats
.sum
.num_bytes
) {
14244 osd
->clog
->error() << info
.pgid
<< " " << mode
14245 << " stat mismatch, got "
14246 << scrub_cstat
.sum
.num_objects
<< "/" << info
.stats
.stats
.sum
.num_objects
<< " objects, "
14247 << scrub_cstat
.sum
.num_object_clones
<< "/" << info
.stats
.stats
.sum
.num_object_clones
<< " clones, "
14248 << scrub_cstat
.sum
.num_objects_dirty
<< "/" << info
.stats
.stats
.sum
.num_objects_dirty
<< " dirty, "
14249 << scrub_cstat
.sum
.num_objects_omap
<< "/" << info
.stats
.stats
.sum
.num_objects_omap
<< " omap, "
14250 << scrub_cstat
.sum
.num_objects_pinned
<< "/" << info
.stats
.stats
.sum
.num_objects_pinned
<< " pinned, "
14251 << scrub_cstat
.sum
.num_objects_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_objects_hit_set_archive
<< " hit_set_archive, "
14252 << scrub_cstat
.sum
.num_whiteouts
<< "/" << info
.stats
.stats
.sum
.num_whiteouts
<< " whiteouts, "
14253 << scrub_cstat
.sum
.num_bytes
<< "/" << info
.stats
.stats
.sum
.num_bytes
<< " bytes, "
14254 << scrub_cstat
.sum
.num_bytes_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_bytes_hit_set_archive
<< " hit_set_archive bytes.";
14255 ++scrubber
.shallow_errors
;
14259 info
.stats
.stats
= scrub_cstat
;
14260 info
.stats
.dirty_stats_invalid
= false;
14261 info
.stats
.omap_stats_invalid
= false;
14262 info
.stats
.hitset_stats_invalid
= false;
14263 info
.stats
.hitset_bytes_stats_invalid
= false;
14264 publish_stats_to_osd();
14267 } else if (scrub_cstat
.sum
.num_legacy_snapsets
!=
14268 info
.stats
.stats
.sum
.num_legacy_snapsets
) {
14269 osd
->clog
->info() << info
.pgid
<< " " << mode
<< " updated num_legacy_snapsets"
14270 << " from " << info
.stats
.stats
.sum
.num_legacy_snapsets
14271 << " -> " << scrub_cstat
.sum
.num_legacy_snapsets
<< "\n";
14272 info
.stats
.stats
.sum
.num_legacy_snapsets
= scrub_cstat
.sum
.num_legacy_snapsets
;
14273 publish_stats_to_osd();
14276 // Clear object context cache to get repair information
14278 object_contexts
.clear();
14281 bool PrimaryLogPG::check_osdmap_full(const set
<pg_shard_t
> &missing_on
)
14283 return osd
->check_osdmap_full(missing_on
);
14286 int PrimaryLogPG::rep_repair_primary_object(const hobject_t
& soid
, OpRequestRef op
)
14288 // Only supports replicated pools
14289 assert(!pool
.info
.require_rollback());
14290 assert(is_primary());
14292 dout(10) << __func__
<< " " << soid
14293 << " peers osd.{" << actingbackfill
<< "}" << dendl
;
14296 block_for_clean(soid
, op
);
14300 assert(!pg_log
.get_missing().is_missing(soid
));
14304 int r
= get_pgbackend()->objects_get_attr(soid
, OI_ATTR
, &bv
);
14306 // Leave v and try to repair without a version, getting attr failed
14307 dout(0) << __func__
<< ": Need version of replica, objects_get_attr failed: "
14308 << soid
<< " error=" << r
<< dendl
;
14310 bufferlist::iterator bliter
= bv
.begin();
14311 ::decode(oi
, bliter
);
14314 // Leave v as default constructed. This will fail when sent to older OSDs, but
14315 // not much worse than failing here.
14316 dout(0) << __func__
<< ": Need version of replica, bad object_info_t: " << soid
<< dendl
;
14319 missing_loc
.add_missing(soid
, v
, eversion_t());
14320 if (primary_error(soid
, v
)) {
14321 dout(0) << __func__
<< " No other replicas available for " << soid
<< dendl
;
14322 // XXX: If we knew that there is no down osd which could include this
14323 // object, it would be nice if we could return EIO here.
14324 // If a "never fail" flag was available, that could be used
14325 // for rbd to NOT return EIO until object marked lost.
14327 // Drop through to save this op in case an osd comes up with the object.
14330 // Restart the op after object becomes readable again
14331 waiting_for_unreadable_object
[soid
].push_back(op
);
14332 op
->mark_delayed("waiting for missing object");
14334 if (!eio_errors_to_process
) {
14335 eio_errors_to_process
= true;
14336 assert(is_clean());
14337 queue_peering_event(
14339 std::make_shared
<CephPeeringEvt
>(
14340 get_osdmap()->get_epoch(),
14341 get_osdmap()->get_epoch(),
14344 // A prior error must have already cleared clean state and queued recovery
14345 // or a map change has triggered re-peering.
14346 // Not inlining the recovery by calling maybe_kick_recovery(soid);
14347 dout(5) << __func__
<< ": Read error on " << soid
<< ", but already seen errors" << dendl
;
14353 /*---SnapTrimmer Logging---*/
14355 #define dout_prefix *_dout << pg->gen_prefix()
14357 void PrimaryLogPG::SnapTrimmer::log_enter(const char *state_name
)
14359 ldout(pg
->cct
, 20) << "enter " << state_name
<< dendl
;
14362 void PrimaryLogPG::SnapTrimmer::log_exit(const char *state_name
, utime_t enter_time
)
14364 ldout(pg
->cct
, 20) << "exit " << state_name
<< dendl
;
14367 /*---SnapTrimmer states---*/
14369 #define dout_prefix (*_dout << context< SnapTrimmer >().pg->gen_prefix() \
14370 << "SnapTrimmer state<" << get_state_name() << ">: ")
14373 PrimaryLogPG::NotTrimming::NotTrimming(my_context ctx
)
14375 NamedState(context
< SnapTrimmer
>().pg
, "NotTrimming")
14377 context
< SnapTrimmer
>().log_enter(state_name
);
14380 void PrimaryLogPG::NotTrimming::exit()
14382 context
< SnapTrimmer
>().log_exit(state_name
, enter_time
);
14385 boost::statechart::result
PrimaryLogPG::NotTrimming::react(const KickTrim
&)
14387 PrimaryLogPG
*pg
= context
< SnapTrimmer
>().pg
;
14388 ldout(pg
->cct
, 10) << "NotTrimming react KickTrim" << dendl
;
14390 if (!(pg
->is_primary() && pg
->is_active())) {
14391 ldout(pg
->cct
, 10) << "NotTrimming not primary or active" << dendl
;
14392 return discard_event();
14394 if (!pg
->is_clean() ||
14395 pg
->snap_trimq
.empty()) {
14396 ldout(pg
->cct
, 10) << "NotTrimming not clean or nothing to trim" << dendl
;
14397 return discard_event();
14399 if (pg
->scrubber
.active
) {
14400 ldout(pg
->cct
, 10) << " scrubbing, will requeue snap_trimmer after" << dendl
;
14401 return transit
< WaitScrub
>();
14403 return transit
< Trimming
>();
14407 boost::statechart::result
PrimaryLogPG::WaitReservation::react(const SnapTrimReserved
&)
14409 PrimaryLogPG
*pg
= context
< SnapTrimmer
>().pg
;
14410 ldout(pg
->cct
, 10) << "WaitReservation react SnapTrimReserved" << dendl
;
14413 if (!context
< SnapTrimmer
>().can_trim()) {
14414 post_event(KickTrim());
14415 return transit
< NotTrimming
>();
14418 context
<Trimming
>().snap_to_trim
= pg
->snap_trimq
.range_start();
14419 ldout(pg
->cct
, 10) << "NotTrimming: trimming "
14420 << pg
->snap_trimq
.range_start()
14422 return transit
< AwaitAsyncWork
>();
14425 /* AwaitAsyncWork */
14426 PrimaryLogPG::AwaitAsyncWork::AwaitAsyncWork(my_context ctx
)
14428 NamedState(context
< SnapTrimmer
>().pg
, "Trimming/AwaitAsyncWork")
14430 auto *pg
= context
< SnapTrimmer
>().pg
;
14431 context
< SnapTrimmer
>().log_enter(state_name
);
14432 context
< SnapTrimmer
>().pg
->osd
->queue_for_snap_trim(pg
);
14433 pg
->state_set(PG_STATE_SNAPTRIM
);
14434 pg
->state_clear(PG_STATE_SNAPTRIM_ERROR
);
14435 pg
->publish_stats_to_osd();
14438 boost::statechart::result
PrimaryLogPG::AwaitAsyncWork::react(const DoSnapWork
&)
14440 PrimaryLogPGRef pg
= context
< SnapTrimmer
>().pg
;
14441 snapid_t snap_to_trim
= context
<Trimming
>().snap_to_trim
;
14442 auto &in_flight
= context
<Trimming
>().in_flight
;
14443 assert(in_flight
.empty());
14445 assert(pg
->is_primary() && pg
->is_active());
14446 if (!context
< SnapTrimmer
>().can_trim()) {
14447 ldout(pg
->cct
, 10) << "something changed, reverting to NotTrimming" << dendl
;
14448 post_event(KickTrim());
14449 return transit
< NotTrimming
>();
14452 ldout(pg
->cct
, 10) << "AwaitAsyncWork: trimming snap " << snap_to_trim
<< dendl
;
14454 vector
<hobject_t
> to_trim
;
14455 unsigned max
= pg
->cct
->_conf
->osd_pg_max_concurrent_snap_trims
;
14456 to_trim
.reserve(max
);
14457 int r
= pg
->snap_mapper
.get_next_objects_to_trim(
14461 if (r
!= 0 && r
!= -ENOENT
) {
14462 lderr(pg
->cct
) << "get_next_objects_to_trim returned "
14463 << cpp_strerror(r
) << dendl
;
14464 assert(0 == "get_next_objects_to_trim returned an invalid code");
14465 } else if (r
== -ENOENT
) {
14467 ldout(pg
->cct
, 10) << "got ENOENT" << dendl
;
14469 ldout(pg
->cct
, 10) << "adding snap " << snap_to_trim
14470 << " to purged_snaps"
14472 pg
->info
.purged_snaps
.insert(snap_to_trim
);
14473 pg
->snap_trimq
.erase(snap_to_trim
);
14474 ldout(pg
->cct
, 10) << "purged_snaps now "
14475 << pg
->info
.purged_snaps
<< ", snap_trimq now "
14476 << pg
->snap_trimq
<< dendl
;
14478 ObjectStore::Transaction t
;
14479 pg
->dirty_big_info
= true;
14480 pg
->write_if_dirty(t
);
14481 int tr
= pg
->osd
->store
->queue_transaction(pg
->osr
.get(), std::move(t
), NULL
);
14484 pg
->share_pg_info();
14485 post_event(KickTrim());
14486 return transit
< NotTrimming
>();
14488 assert(!to_trim
.empty());
14490 for (auto &&object
: to_trim
) {
14492 ldout(pg
->cct
, 10) << "AwaitAsyncWork react trimming " << object
<< dendl
;
14494 int error
= pg
->trim_object(in_flight
.empty(), object
, &ctx
);
14496 if (error
== -ENOLCK
) {
14497 ldout(pg
->cct
, 10) << "could not get write lock on obj "
14498 << object
<< dendl
;
14500 pg
->state_set(PG_STATE_SNAPTRIM_ERROR
);
14501 ldout(pg
->cct
, 10) << "Snaptrim error=" << error
<< dendl
;
14503 if (!in_flight
.empty()) {
14504 ldout(pg
->cct
, 10) << "letting the ones we already started finish" << dendl
;
14505 return transit
< WaitRepops
>();
14507 if (error
== -ENOLCK
) {
14508 ldout(pg
->cct
, 10) << "waiting for it to clear"
14510 return transit
< WaitRWLock
>();
14512 return transit
< NotTrimming
>();
14516 in_flight
.insert(object
);
14517 ctx
->register_on_success(
14518 [pg
, object
, &in_flight
]() {
14519 assert(in_flight
.find(object
) != in_flight
.end());
14520 in_flight
.erase(object
);
14521 if (in_flight
.empty()) {
14522 if (pg
->state_test(PG_STATE_SNAPTRIM_ERROR
)) {
14523 pg
->snap_trimmer_machine
.process_event(Reset());
14525 pg
->snap_trimmer_machine
.process_event(RepopsComplete());
14530 pg
->simple_opc_submit(std::move(ctx
));
14533 return transit
< WaitRepops
>();
14536 void PrimaryLogPG::setattr_maybe_cache(
14537 ObjectContextRef obc
,
14543 t
->setattr(obc
->obs
.oi
.soid
, key
, val
);
14546 void PrimaryLogPG::setattrs_maybe_cache(
14547 ObjectContextRef obc
,
14550 map
<string
, bufferlist
> &attrs
)
14552 t
->setattrs(obc
->obs
.oi
.soid
, attrs
);
14555 void PrimaryLogPG::rmattr_maybe_cache(
14556 ObjectContextRef obc
,
14561 t
->rmattr(obc
->obs
.oi
.soid
, key
);
14564 int PrimaryLogPG::getattr_maybe_cache(
14565 ObjectContextRef obc
,
14569 if (pool
.info
.require_rollback()) {
14570 map
<string
, bufferlist
>::iterator i
= obc
->attr_cache
.find(key
);
14571 if (i
!= obc
->attr_cache
.end()) {
14579 return pgbackend
->objects_get_attr(obc
->obs
.oi
.soid
, key
, val
);
14582 int PrimaryLogPG::getattrs_maybe_cache(
14583 ObjectContextRef obc
,
14584 map
<string
, bufferlist
> *out
)
14588 if (pool
.info
.require_rollback()) {
14589 *out
= obc
->attr_cache
;
14591 r
= pgbackend
->objects_get_attrs(obc
->obs
.oi
.soid
, out
);
14593 map
<string
, bufferlist
> tmp
;
14594 for (map
<string
, bufferlist
>::iterator i
= out
->begin();
14597 if (i
->first
.size() > 1 && i
->first
[0] == '_')
14598 tmp
[i
->first
.substr(1, i
->first
.size())].claim(i
->second
);
14604 bool PrimaryLogPG::check_failsafe_full(ostream
&ss
) {
14605 return osd
->check_failsafe_full(ss
);
14608 void intrusive_ptr_add_ref(PrimaryLogPG
*pg
) { pg
->get("intptr"); }
14609 void intrusive_ptr_release(PrimaryLogPG
*pg
) { pg
->put("intptr"); }
14611 #ifdef PG_DEBUG_REFS
14612 uint64_t get_with_id(PrimaryLogPG
*pg
) { return pg
->get_with_id(); }
14613 void put_with_id(PrimaryLogPG
*pg
, uint64_t id
) { return pg
->put_with_id(id
); }
14616 void intrusive_ptr_add_ref(PrimaryLogPG::RepGather
*repop
) { repop
->get(); }
14617 void intrusive_ptr_release(PrimaryLogPG::RepGather
*repop
) { repop
->put(); }