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
= MIN(pg_log
.get_log().approx_size() - target
,
1578 cct
->_conf
->osd_pg_log_trim_max
);
1579 if (num_to_trim
< cct
->_conf
->osd_pg_log_trim_min
&&
1580 cct
->_conf
->osd_pg_log_trim_max
>= cct
->_conf
->osd_pg_log_trim_min
) {
1583 list
<pg_log_entry_t
>::const_iterator it
= pg_log
.get_log().log
.begin();
1584 eversion_t new_trim_to
;
1585 for (size_t i
= 0; i
< num_to_trim
; ++i
) {
1586 new_trim_to
= it
->version
;
1588 if (new_trim_to
> limit
) {
1589 new_trim_to
= limit
;
1590 dout(10) << "calc_trim_to trimming to min_last_complete_ondisk" << dendl
;
1594 dout(10) << "calc_trim_to " << pg_trim_to
<< " -> " << new_trim_to
<< dendl
;
1595 pg_trim_to
= new_trim_to
;
1596 assert(pg_trim_to
<= pg_log
.get_head());
1597 assert(pg_trim_to
<= min_last_complete_ondisk
);
1601 PrimaryLogPG::PrimaryLogPG(OSDService
*o
, OSDMapRef curmap
,
1602 const PGPool
&_pool
, spg_t p
) :
1603 PG(o
, curmap
, _pool
, p
),
1605 PGBackend::build_pg_backend(
1606 _pool
.info
, curmap
, this, coll_t(p
), ch
, o
->store
, cct
)),
1607 object_contexts(o
->cct
, o
->cct
->_conf
->osd_pg_object_context_cache_count
),
1608 snapset_contexts_lock("PrimaryLogPG::snapset_contexts_lock"),
1609 new_backfill(false),
1611 snap_trimmer_machine(this)
1613 missing_loc
.set_backend_predicates(
1614 pgbackend
->get_is_readable_predicate(),
1615 pgbackend
->get_is_recoverable_predicate());
1616 snap_trimmer_machine
.initiate();
1619 void PrimaryLogPG::get_src_oloc(const object_t
& oid
, const object_locator_t
& oloc
, object_locator_t
& src_oloc
)
1622 if (oloc
.key
.empty())
1623 src_oloc
.key
= oid
.name
;
1626 void PrimaryLogPG::handle_backoff(OpRequestRef
& op
)
1628 const MOSDBackoff
*m
= static_cast<const MOSDBackoff
*>(op
->get_req());
1629 SessionRef session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1632 session
->put(); // get_priv takes a ref, and so does the SessionRef
1633 hobject_t begin
= info
.pgid
.pgid
.get_hobj_start();
1634 hobject_t end
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1635 if (begin
< m
->begin
) {
1641 dout(10) << __func__
<< " backoff ack id " << m
->id
1642 << " [" << begin
<< "," << end
<< ")" << dendl
;
1643 session
->ack_backoff(cct
, m
->pgid
, m
->id
, begin
, end
);
1646 void PrimaryLogPG::do_request(
1648 ThreadPool::TPHandle
&handle
)
1650 if (op
->osd_trace
) {
1651 op
->pg_trace
.init("pg op", &trace_endpoint
, &op
->osd_trace
);
1652 op
->pg_trace
.event("do request");
1654 // make sure we have a new enough map
1655 auto p
= waiting_for_map
.find(op
->get_source());
1656 if (p
!= waiting_for_map
.end()) {
1657 // preserve ordering
1658 dout(20) << __func__
<< " waiting_for_map "
1659 << p
->first
<< " not empty, queueing" << dendl
;
1660 p
->second
.push_back(op
);
1661 op
->mark_delayed("waiting_for_map not empty");
1664 if (!have_same_or_newer_map(op
->min_epoch
)) {
1665 dout(20) << __func__
<< " min " << op
->min_epoch
1666 << ", queue on waiting_for_map " << op
->get_source() << dendl
;
1667 waiting_for_map
[op
->get_source()].push_back(op
);
1668 op
->mark_delayed("op must wait for map");
1669 osd
->request_osdmap_update(op
->min_epoch
);
1673 if (can_discard_request(op
)) {
1678 const Message
*m
= op
->get_req();
1679 if (m
->get_connection()->has_feature(CEPH_FEATURE_RADOS_BACKOFF
)) {
1680 SessionRef session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1683 session
->put(); // get_priv takes a ref, and so does the SessionRef
1685 if (op
->get_req()->get_type() == CEPH_MSG_OSD_OP
) {
1686 if (session
->check_backoff(cct
, info
.pgid
,
1687 info
.pgid
.pgid
.get_hobj_start(), m
)) {
1694 (!is_active() && is_peered());
1695 if (g_conf
->osd_backoff_on_peering
&& !backoff
) {
1701 add_pg_backoff(session
);
1705 // pg backoff acks at pg-level
1706 if (op
->get_req()->get_type() == CEPH_MSG_OSD_BACKOFF
) {
1707 const MOSDBackoff
*ba
= static_cast<const MOSDBackoff
*>(m
);
1708 if (ba
->begin
!= ba
->end
) {
1716 // Delay unless PGBackend says it's ok
1717 if (pgbackend
->can_handle_while_inactive(op
)) {
1718 bool handled
= pgbackend
->handle_message(op
);
1722 waiting_for_peered
.push_back(op
);
1723 op
->mark_delayed("waiting for peered");
1728 if (flushes_in_progress
> 0) {
1729 dout(20) << flushes_in_progress
1730 << " flushes_in_progress pending "
1731 << "waiting for flush on " << op
<< dendl
;
1732 waiting_for_flush
.push_back(op
);
1733 op
->mark_delayed("waiting for flush");
1737 assert(is_peered() && flushes_in_progress
== 0);
1738 if (pgbackend
->handle_message(op
))
1741 switch (op
->get_req()->get_type()) {
1742 case CEPH_MSG_OSD_OP
:
1743 case CEPH_MSG_OSD_BACKOFF
:
1745 dout(20) << " peered, not active, waiting for active on " << op
<< dendl
;
1746 waiting_for_active
.push_back(op
);
1747 op
->mark_delayed("waiting for active");
1750 switch (op
->get_req()->get_type()) {
1751 case CEPH_MSG_OSD_OP
:
1752 // verify client features
1753 if ((pool
.info
.has_tiers() || pool
.info
.is_tier()) &&
1754 !op
->has_feature(CEPH_FEATURE_OSD_CACHEPOOL
)) {
1755 osd
->reply_op_error(op
, -EOPNOTSUPP
);
1760 case CEPH_MSG_OSD_BACKOFF
:
1761 // object-level backoff acks handled in osdop context
1771 case MSG_OSD_SUBOPREPLY
:
1772 do_sub_op_reply(op
);
1775 case MSG_OSD_PG_SCAN
:
1776 do_scan(op
, handle
);
1779 case MSG_OSD_PG_BACKFILL
:
1783 case MSG_OSD_PG_BACKFILL_REMOVE
:
1784 do_backfill_remove(op
);
1787 case MSG_OSD_SCRUB_RESERVE
:
1789 const MOSDScrubReserve
*m
=
1790 static_cast<const MOSDScrubReserve
*>(op
->get_req());
1792 case MOSDScrubReserve::REQUEST
:
1793 handle_scrub_reserve_request(op
);
1795 case MOSDScrubReserve::GRANT
:
1796 handle_scrub_reserve_grant(op
, m
->from
);
1798 case MOSDScrubReserve::REJECT
:
1799 handle_scrub_reserve_reject(op
, m
->from
);
1801 case MOSDScrubReserve::RELEASE
:
1802 handle_scrub_reserve_release(op
);
1808 case MSG_OSD_REP_SCRUB
:
1809 replica_scrub(op
, handle
);
1812 case MSG_OSD_REP_SCRUBMAP
:
1813 do_replica_scrub_map(op
);
1816 case MSG_OSD_PG_UPDATE_LOG_MISSING
:
1817 do_update_log_missing(op
);
1820 case MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY
:
1821 do_update_log_missing_reply(op
);
1825 assert(0 == "bad message type in do_request");
1829 hobject_t
PrimaryLogPG::earliest_backfill() const
1831 hobject_t e
= hobject_t::get_max();
1832 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
1833 i
!= backfill_targets
.end();
1836 map
<pg_shard_t
, pg_info_t
>::const_iterator iter
= peer_info
.find(bt
);
1837 assert(iter
!= peer_info
.end());
1838 if (iter
->second
.last_backfill
< e
)
1839 e
= iter
->second
.last_backfill
;
1844 /** do_op - do an op
1845 * pg lock will be held (if multithreaded)
1846 * osd_lock NOT held.
1848 void PrimaryLogPG::do_op(OpRequestRef
& op
)
1851 // NOTE: take a non-const pointer here; we must be careful not to
1852 // change anything that will break other reads on m (operator<<).
1853 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
1854 assert(m
->get_type() == CEPH_MSG_OSD_OP
);
1855 if (m
->finish_decode()) {
1856 op
->reset_desc(); // for TrackedOp
1860 dout(20) << __func__
<< ": op " << *m
<< dendl
;
1862 hobject_t head
= m
->get_hobj();
1863 head
.snap
= CEPH_NOSNAP
;
1865 if (!info
.pgid
.pgid
.contains(
1866 info
.pgid
.pgid
.get_split_bits(pool
.info
.get_pg_num()), head
)) {
1867 derr
<< __func__
<< " " << info
.pgid
.pgid
<< " does not contain "
1868 << head
<< " pg_num " << pool
.info
.get_pg_num() << " hash "
1869 << std::hex
<< head
.get_hash() << std::dec
<< dendl
;
1870 osd
->clog
->warn() << info
.pgid
.pgid
<< " does not contain " << head
1872 assert(!cct
->_conf
->osd_debug_misdirected_ops
);
1877 m
->get_connection()->has_feature(CEPH_FEATURE_RADOS_BACKOFF
);
1880 session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1881 if (!session
.get()) {
1882 dout(10) << __func__
<< " no session" << dendl
;
1885 session
->put(); // get_priv() takes a ref, and so does the intrusive_ptr
1887 if (session
->check_backoff(cct
, info
.pgid
, head
, m
)) {
1892 if (m
->has_flag(CEPH_OSD_FLAG_PARALLELEXEC
)) {
1894 dout(20) << __func__
<< ": PARALLELEXEC not implemented " << *m
<< dendl
;
1895 osd
->reply_op_error(op
, -EINVAL
);
1899 if (op
->rmw_flags
== 0) {
1900 int r
= osd
->osd
->init_op_flags(op
);
1902 osd
->reply_op_error(op
, r
);
1907 if ((m
->get_flags() & (CEPH_OSD_FLAG_BALANCE_READS
|
1908 CEPH_OSD_FLAG_LOCALIZE_READS
)) &&
1910 !(op
->may_write() || op
->may_cache())) {
1911 // balanced reads; any replica will do
1912 if (!(is_primary() || is_replica())) {
1913 osd
->handle_misdirected_op(this, op
);
1917 // normal case; must be primary
1918 if (!is_primary()) {
1919 osd
->handle_misdirected_op(this, op
);
1924 if (!op_has_sufficient_caps(op
)) {
1925 osd
->reply_op_error(op
, -EPERM
);
1929 if (op
->includes_pg_op()) {
1930 return do_pg_op(op
);
1933 // object name too long?
1934 if (m
->get_oid().name
.size() > cct
->_conf
->osd_max_object_name_len
) {
1935 dout(4) << "do_op name is longer than "
1936 << cct
->_conf
->osd_max_object_name_len
1937 << " bytes" << dendl
;
1938 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1941 if (m
->get_hobj().get_key().size() > cct
->_conf
->osd_max_object_name_len
) {
1942 dout(4) << "do_op locator is longer than "
1943 << cct
->_conf
->osd_max_object_name_len
1944 << " bytes" << dendl
;
1945 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1948 if (m
->get_hobj().nspace
.size() > cct
->_conf
->osd_max_object_namespace_len
) {
1949 dout(4) << "do_op namespace is longer than "
1950 << cct
->_conf
->osd_max_object_namespace_len
1951 << " bytes" << dendl
;
1952 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1956 if (int r
= osd
->store
->validate_hobject_key(head
)) {
1957 dout(4) << "do_op object " << head
<< " invalid for backing store: "
1959 osd
->reply_op_error(op
, r
);
1964 if (get_osdmap()->is_blacklisted(m
->get_source_addr())) {
1965 dout(10) << "do_op " << m
->get_source_addr() << " is blacklisted" << dendl
;
1966 osd
->reply_op_error(op
, -EBLACKLISTED
);
1970 // order this op as a write?
1971 bool write_ordered
= op
->rwordered();
1973 // discard due to cluster full transition? (we discard any op that
1974 // originates before the cluster or pool is marked full; the client
1975 // will resend after the full flag is removed or if they expect the
1976 // op to succeed despite being full). The except is FULL_FORCE and
1977 // FULL_TRY ops, which there is no reason to discard because they
1978 // bypass all full checks anyway. If this op isn't write or
1979 // read-ordered, we skip.
1980 // FIXME: we exclude mds writes for now.
1981 if (write_ordered
&& !(m
->get_source().is_mds() ||
1982 m
->has_flag(CEPH_OSD_FLAG_FULL_TRY
) ||
1983 m
->has_flag(CEPH_OSD_FLAG_FULL_FORCE
)) &&
1984 info
.history
.last_epoch_marked_full
> m
->get_map_epoch()) {
1985 dout(10) << __func__
<< " discarding op sent before full " << m
<< " "
1989 // mds should have stopped writing before this point.
1990 // We can't allow OSD to become non-startable even if mds
1991 // could be writing as part of file removals.
1993 if (write_ordered
&& osd
->check_failsafe_full(ss
)) {
1994 dout(10) << __func__
<< " fail-safe full check failed, dropping request"
1999 int64_t poolid
= get_pgid().pool();
2000 if (op
->may_write()) {
2002 const pg_pool_t
*pi
= get_osdmap()->get_pg_pool(poolid
);
2008 if (m
->get_snapid() != CEPH_NOSNAP
) {
2009 dout(20) << __func__
<< ": write to clone not valid " << *m
<< dendl
;
2010 osd
->reply_op_error(op
, -EINVAL
);
2015 if (cct
->_conf
->osd_max_write_size
&&
2016 m
->get_data_len() > cct
->_conf
->osd_max_write_size
<< 20) {
2017 // journal can't hold commit!
2018 derr
<< "do_op msg data len " << m
->get_data_len()
2019 << " > osd_max_write_size " << (cct
->_conf
->osd_max_write_size
<< 20)
2020 << " on " << *m
<< dendl
;
2021 osd
->reply_op_error(op
, -OSD_WRITETOOBIG
);
2026 dout(10) << "do_op " << *m
2027 << (op
->may_write() ? " may_write" : "")
2028 << (op
->may_read() ? " may_read" : "")
2029 << (op
->may_cache() ? " may_cache" : "")
2030 << " -> " << (write_ordered
? "write-ordered" : "read-ordered")
2031 << " flags " << ceph_osd_flag_string(m
->get_flags())
2035 if (is_unreadable_object(head
)) {
2036 if (!is_primary()) {
2037 osd
->reply_op_error(op
, -EAGAIN
);
2041 (g_conf
->osd_backoff_on_degraded
||
2042 (g_conf
->osd_backoff_on_unfound
&& missing_loc
.is_unfound(head
)))) {
2043 add_backoff(session
, head
, head
);
2044 maybe_kick_recovery(head
);
2046 wait_for_unreadable_object(head
, op
);
2052 if (write_ordered
&& is_degraded_or_backfilling_object(head
)) {
2053 if (can_backoff
&& g_conf
->osd_backoff_on_degraded
) {
2054 add_backoff(session
, head
, head
);
2055 maybe_kick_recovery(head
);
2057 wait_for_degraded_object(head
, op
);
2062 if (write_ordered
&&
2063 scrubber
.write_blocked_by_scrub(head
)) {
2064 dout(20) << __func__
<< ": waiting for scrub" << dendl
;
2065 waiting_for_scrub
.push_back(op
);
2066 op
->mark_delayed("waiting for scrub");
2071 map
<hobject_t
, snapid_t
>::iterator blocked_iter
=
2072 objects_blocked_on_degraded_snap
.find(head
);
2073 if (write_ordered
&& blocked_iter
!= objects_blocked_on_degraded_snap
.end()) {
2074 hobject_t
to_wait_on(head
);
2075 to_wait_on
.snap
= blocked_iter
->second
;
2076 wait_for_degraded_object(to_wait_on
, op
);
2079 map
<hobject_t
, ObjectContextRef
>::iterator blocked_snap_promote_iter
=
2080 objects_blocked_on_snap_promotion
.find(head
);
2081 if (write_ordered
&&
2082 blocked_snap_promote_iter
!= objects_blocked_on_snap_promotion
.end()) {
2083 wait_for_blocked_object(
2084 blocked_snap_promote_iter
->second
->obs
.oi
.soid
,
2088 if (write_ordered
&& objects_blocked_on_cache_full
.count(head
)) {
2089 block_write_on_full_cache(head
, op
);
2094 hobject_t snapdir
= head
.get_snapdir();
2096 if (is_unreadable_object(snapdir
)) {
2097 wait_for_unreadable_object(snapdir
, op
);
2102 if (write_ordered
&& is_degraded_or_backfilling_object(snapdir
)) {
2103 wait_for_degraded_object(snapdir
, op
);
2108 if (op
->may_write() || op
->may_cache()) {
2109 // warning: we will get back *a* request for this reqid, but not
2110 // necessarily the most recent. this happens with flush and
2111 // promote ops, but we can't possible have both in our log where
2112 // the original request is still not stable on disk, so for our
2113 // purposes here it doesn't matter which one we get.
2115 version_t user_version
;
2116 int return_code
= 0;
2117 bool got
= check_in_progress_op(
2118 m
->get_reqid(), &version
, &user_version
, &return_code
);
2120 dout(3) << __func__
<< " dup " << m
->get_reqid()
2121 << " version " << version
<< dendl
;
2122 if (already_complete(version
)) {
2123 osd
->reply_op_error(op
, return_code
, version
, user_version
);
2125 dout(10) << " waiting for " << version
<< " to commit" << dendl
;
2126 // always queue ondisk waiters, so that we can requeue if needed
2127 waiting_for_ondisk
[version
].push_back(make_pair(op
, user_version
));
2128 op
->mark_delayed("waiting for ondisk");
2134 ObjectContextRef obc
;
2135 bool can_create
= op
->may_write() || op
->may_cache();
2136 hobject_t missing_oid
;
2137 const hobject_t
& oid
= m
->get_hobj();
2139 // io blocked on obc?
2140 if (!m
->has_flag(CEPH_OSD_FLAG_FLUSH
) &&
2141 maybe_await_blocked_snapset(oid
, op
)) {
2145 int r
= find_object_context(
2146 oid
, &obc
, can_create
,
2147 m
->has_flag(CEPH_OSD_FLAG_MAP_SNAP_CLONE
),
2151 // If we're not the primary of this OSD, we just return -EAGAIN. Otherwise,
2152 // we have to wait for the object.
2154 // missing the specific snap we need; requeue and wait.
2155 assert(!op
->may_write()); // only happens on a read/cache
2156 wait_for_unreadable_object(missing_oid
, op
);
2159 } else if (r
== 0) {
2160 if (is_unreadable_object(obc
->obs
.oi
.soid
)) {
2161 dout(10) << __func__
<< ": clone " << obc
->obs
.oi
.soid
2162 << " is unreadable, waiting" << dendl
;
2163 wait_for_unreadable_object(obc
->obs
.oi
.soid
, op
);
2167 // degraded object? (the check above was for head; this could be a clone)
2168 if (write_ordered
&&
2169 obc
->obs
.oi
.soid
.snap
!= CEPH_NOSNAP
&&
2170 is_degraded_or_backfilling_object(obc
->obs
.oi
.soid
)) {
2171 dout(10) << __func__
<< ": clone " << obc
->obs
.oi
.soid
2172 << " is degraded, waiting" << dendl
;
2173 wait_for_degraded_object(obc
->obs
.oi
.soid
, op
);
2178 bool in_hit_set
= false;
2181 if (obc
->obs
.oi
.soid
!= hobject_t() && hit_set
->contains(obc
->obs
.oi
.soid
))
2184 if (missing_oid
!= hobject_t() && hit_set
->contains(missing_oid
))
2187 if (!op
->hitset_inserted
) {
2188 hit_set
->insert(oid
);
2189 op
->hitset_inserted
= true;
2190 if (hit_set
->is_full() ||
2191 hit_set_start_stamp
+ pool
.info
.hit_set_period
<= m
->get_recv_stamp()) {
2198 if (agent_choose_mode(false, op
))
2202 if (obc
.get() && obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2203 if (maybe_handle_manifest(op
,
2209 if (maybe_handle_cache(op
,
2218 if (r
&& (r
!= -ENOENT
|| !obc
)) {
2219 // copy the reqids for copy get on ENOENT
2221 (m
->ops
[0].op
.op
== CEPH_OSD_OP_COPY_GET
)) {
2222 fill_in_copy_get_noent(op
, oid
, m
->ops
[0]);
2225 dout(20) << __func__
<< ": find_object_context got error " << r
<< dendl
;
2226 if (op
->may_write() &&
2227 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
2228 record_write_error(op
, oid
, nullptr, r
);
2230 osd
->reply_op_error(op
, r
);
2235 // make sure locator is consistent
2236 object_locator_t
oloc(obc
->obs
.oi
.soid
);
2237 if (m
->get_object_locator() != oloc
) {
2238 dout(10) << " provided locator " << m
->get_object_locator()
2239 << " != object's " << obc
->obs
.oi
.soid
<< dendl
;
2240 osd
->clog
->warn() << "bad locator " << m
->get_object_locator()
2241 << " on object " << oloc
2245 // io blocked on obc?
2246 if (obc
->is_blocked() &&
2247 !m
->has_flag(CEPH_OSD_FLAG_FLUSH
)) {
2248 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
2252 dout(25) << __func__
<< " oi " << obc
->obs
.oi
<< dendl
;
2254 for (vector
<OSDOp
>::iterator p
= m
->ops
.begin(); p
!= m
->ops
.end(); ++p
) {
2257 // make sure LIST_SNAPS is on CEPH_SNAPDIR and nothing else
2258 if (osd_op
.op
.op
== CEPH_OSD_OP_LIST_SNAPS
&&
2259 m
->get_snapid() != CEPH_SNAPDIR
) {
2260 dout(10) << "LIST_SNAPS with incorrect context" << dendl
;
2261 osd
->reply_op_error(op
, -EINVAL
);
2266 OpContext
*ctx
= new OpContext(op
, m
->get_reqid(), &m
->ops
, obc
, this);
2268 if (!obc
->obs
.exists
)
2269 ctx
->snapset_obc
= get_object_context(obc
->obs
.oi
.soid
.get_snapdir(), false);
2271 /* Due to obc caching, we might have a cached non-existent snapset_obc
2272 * for the snapdir. If so, we can ignore it. Subsequent parts of the
2273 * do_op pipeline make decisions based on whether snapset_obc is
2276 if (ctx
->snapset_obc
&& !ctx
->snapset_obc
->obs
.exists
)
2277 ctx
->snapset_obc
= ObjectContextRef();
2279 if (m
->has_flag(CEPH_OSD_FLAG_SKIPRWLOCKS
)) {
2280 dout(20) << __func__
<< ": skipping rw locks" << dendl
;
2281 } else if (m
->get_flags() & CEPH_OSD_FLAG_FLUSH
) {
2282 dout(20) << __func__
<< ": part of flush, will ignore write lock" << dendl
;
2284 // verify there is in fact a flush in progress
2285 // FIXME: we could make this a stronger test.
2286 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(obc
->obs
.oi
.soid
);
2287 if (p
== flush_ops
.end()) {
2288 dout(10) << __func__
<< " no flush in progress, aborting" << dendl
;
2289 reply_ctx(ctx
, -EINVAL
);
2292 } else if (!get_rw_locks(write_ordered
, ctx
)) {
2293 dout(20) << __func__
<< " waiting for rw locks " << dendl
;
2294 op
->mark_delayed("waiting for rw locks");
2298 dout(20) << __func__
<< " obc " << *obc
<< dendl
;
2301 dout(20) << __func__
<< " returned an error: " << r
<< dendl
;
2303 if (op
->may_write() &&
2304 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
2305 record_write_error(op
, oid
, nullptr, r
);
2307 osd
->reply_op_error(op
, r
);
2312 if (m
->has_flag(CEPH_OSD_FLAG_IGNORE_CACHE
)) {
2313 ctx
->ignore_cache
= true;
2316 if ((op
->may_read()) && (obc
->obs
.oi
.is_lost())) {
2317 // This object is lost. Reading from it returns an error.
2318 dout(20) << __func__
<< ": object " << obc
->obs
.oi
.soid
2319 << " is lost" << dendl
;
2320 reply_ctx(ctx
, -ENFILE
);
2323 if (!op
->may_write() &&
2325 (!obc
->obs
.exists
||
2326 ((m
->get_snapid() != CEPH_SNAPDIR
) &&
2327 obc
->obs
.oi
.is_whiteout()))) {
2328 // copy the reqids for copy get on ENOENT
2329 if (m
->ops
[0].op
.op
== CEPH_OSD_OP_COPY_GET
) {
2330 fill_in_copy_get_noent(op
, oid
, m
->ops
[0]);
2334 reply_ctx(ctx
, -ENOENT
);
2341 utime_t prepare_latency
= ceph_clock_now();
2342 prepare_latency
-= op
->get_dequeued_time();
2343 osd
->logger
->tinc(l_osd_op_prepare_lat
, prepare_latency
);
2344 if (op
->may_read() && op
->may_write()) {
2345 osd
->logger
->tinc(l_osd_op_rw_prepare_lat
, prepare_latency
);
2346 } else if (op
->may_read()) {
2347 osd
->logger
->tinc(l_osd_op_r_prepare_lat
, prepare_latency
);
2348 } else if (op
->may_write() || op
->may_cache()) {
2349 osd
->logger
->tinc(l_osd_op_w_prepare_lat
, prepare_latency
);
2352 // force recovery of the oldest missing object if too many logs
2353 maybe_force_recovery();
2356 PrimaryLogPG::cache_result_t
PrimaryLogPG::maybe_handle_manifest_detail(
2359 ObjectContextRef obc
)
2361 if (static_cast<const MOSDOp
*>(op
->get_req())->get_flags() &
2362 CEPH_OSD_FLAG_IGNORE_REDIRECT
) {
2363 dout(20) << __func__
<< ": ignoring redirect due to flag" << dendl
;
2364 return cache_result_t::NOOP
;
2368 dout(10) << __func__
<< " " << obc
->obs
.oi
<< " "
2369 << (obc
->obs
.exists
? "exists" : "DNE")
2372 // if it is write-ordered and blocked, stop now
2373 if (obc
.get() && obc
->is_blocked() && write_ordered
) {
2374 // we're already doing something with this object
2375 dout(20) << __func__
<< " blocked on " << obc
->obs
.oi
.soid
<< dendl
;
2376 return cache_result_t::NOOP
;
2379 vector
<OSDOp
> ops
= static_cast<const MOSDOp
*>(op
->get_req())->ops
;
2380 for (vector
<OSDOp
>::iterator p
= ops
.begin(); p
!= ops
.end(); ++p
) {
2382 ceph_osd_op
& op
= osd_op
.op
;
2383 if (op
.op
== CEPH_OSD_OP_SET_REDIRECT
) {
2384 return cache_result_t::NOOP
;
2388 switch (obc
->obs
.oi
.manifest
.type
) {
2389 case object_manifest_t::TYPE_REDIRECT
:
2390 if (op
->may_write() || write_ordered
) {
2391 do_proxy_write(op
, obc
->obs
.oi
.soid
, obc
);
2393 do_proxy_read(op
, obc
);
2395 return cache_result_t::HANDLED_PROXY
;
2396 case object_manifest_t::TYPE_CHUNKED
:
2398 assert(0 == "unrecognized manifest type");
2401 return cache_result_t::NOOP
;
2404 void PrimaryLogPG::record_write_error(OpRequestRef op
, const hobject_t
&soid
,
2405 MOSDOpReply
*orig_reply
, int r
)
2407 dout(20) << __func__
<< " r=" << r
<< dendl
;
2408 assert(op
->may_write());
2409 const osd_reqid_t
&reqid
= static_cast<const MOSDOp
*>(op
->get_req())->get_reqid();
2410 mempool::osd_pglog::list
<pg_log_entry_t
> entries
;
2411 entries
.push_back(pg_log_entry_t(pg_log_entry_t::ERROR
, soid
,
2412 get_next_version(), eversion_t(), 0,
2413 reqid
, utime_t(), r
));
2418 boost::intrusive_ptr
<MOSDOpReply
> orig_reply
;
2423 MOSDOpReply
*orig_reply
,
2426 orig_reply(orig_reply
, false /* take over ref */), r(r
)
2429 ldpp_dout(pg
, 20) << "finished " << __func__
<< " r=" << r
<< dendl
;
2430 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2431 int flags
= m
->get_flags() & (CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
2432 MOSDOpReply
*reply
= orig_reply
.detach();
2433 if (reply
== nullptr) {
2434 reply
= new MOSDOpReply(m
, r
, pg
->get_osdmap()->get_epoch(),
2437 ldpp_dout(pg
, 10) << " sending commit on " << *m
<< " " << reply
<< dendl
;
2438 pg
->osd
->send_message_osd_client(reply
, m
->get_connection());
2442 ObcLockManager lock_manager
;
2445 std::move(lock_manager
),
2446 boost::optional
<std::function
<void(void)> >(
2447 OnComplete(this, op
, orig_reply
, r
)),
2452 PrimaryLogPG::cache_result_t
PrimaryLogPG::maybe_handle_cache_detail(
2455 ObjectContextRef obc
,
2456 int r
, hobject_t missing_oid
,
2459 ObjectContextRef
*promote_obc
)
2461 // return quickly if caching is not enabled
2462 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)
2463 return cache_result_t::NOOP
;
2467 op
->get_req()->get_type() == CEPH_MSG_OSD_OP
&&
2468 (static_cast<const MOSDOp
*>(op
->get_req())->get_flags() &
2469 CEPH_OSD_FLAG_IGNORE_CACHE
)) {
2470 dout(20) << __func__
<< ": ignoring cache due to flag" << dendl
;
2471 return cache_result_t::NOOP
;
2474 must_promote
= must_promote
|| op
->need_promote();
2477 dout(25) << __func__
<< " " << obc
->obs
.oi
<< " "
2478 << (obc
->obs
.exists
? "exists" : "DNE")
2479 << " missing_oid " << missing_oid
2480 << " must_promote " << (int)must_promote
2481 << " in_hit_set " << (int)in_hit_set
2484 dout(25) << __func__
<< " (no obc)"
2485 << " missing_oid " << missing_oid
2486 << " must_promote " << (int)must_promote
2487 << " in_hit_set " << (int)in_hit_set
2490 // if it is write-ordered and blocked, stop now
2491 if (obc
.get() && obc
->is_blocked() && write_ordered
) {
2492 // we're already doing something with this object
2493 dout(20) << __func__
<< " blocked on " << obc
->obs
.oi
.soid
<< dendl
;
2494 return cache_result_t::NOOP
;
2497 if (r
== -ENOENT
&& missing_oid
== hobject_t()) {
2498 // we know this object is logically absent (e.g., an undefined clone)
2499 return cache_result_t::NOOP
;
2502 if (obc
.get() && obc
->obs
.exists
) {
2503 osd
->logger
->inc(l_osd_op_cache_hit
);
2504 return cache_result_t::NOOP
;
2506 if (!is_primary()) {
2507 dout(20) << __func__
<< " cache miss; ask the primary" << dendl
;
2508 osd
->reply_op_error(op
, -EAGAIN
);
2509 return cache_result_t::REPLIED_WITH_EAGAIN
;
2512 if (missing_oid
== hobject_t() && obc
.get()) {
2513 missing_oid
= obc
->obs
.oi
.soid
;
2516 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2517 const object_locator_t oloc
= m
->get_object_locator();
2519 if (op
->need_skip_handle_cache()) {
2520 return cache_result_t::NOOP
;
2523 // older versions do not proxy the feature bits.
2524 bool can_proxy_write
= get_osdmap()->get_up_osd_features() &
2525 CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES
;
2526 OpRequestRef promote_op
;
2528 switch (pool
.info
.cache_mode
) {
2529 case pg_pool_t::CACHEMODE_WRITEBACK
:
2531 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2532 if (!op
->may_write() && !op
->may_cache() &&
2533 !write_ordered
&& !must_promote
) {
2534 dout(20) << __func__
<< " cache pool full, proxying read" << dendl
;
2536 return cache_result_t::HANDLED_PROXY
;
2538 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2539 block_write_on_full_cache(missing_oid
, op
);
2540 return cache_result_t::BLOCKED_FULL
;
2543 if (must_promote
|| (!hit_set
&& !op
->need_skip_promote())) {
2544 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2545 return cache_result_t::BLOCKED_PROMOTE
;
2548 if (op
->may_write() || op
->may_cache()) {
2549 if (can_proxy_write
) {
2550 do_proxy_write(op
, missing_oid
);
2552 // promote if can't proxy the write
2553 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2554 return cache_result_t::BLOCKED_PROMOTE
;
2558 if (!op
->need_skip_promote() &&
2559 maybe_promote(obc
, missing_oid
, oloc
, in_hit_set
,
2560 pool
.info
.min_write_recency_for_promote
,
2563 return cache_result_t::BLOCKED_PROMOTE
;
2565 return cache_result_t::HANDLED_PROXY
;
2569 // Avoid duplicate promotion
2570 if (obc
.get() && obc
->is_blocked()) {
2573 return cache_result_t::BLOCKED_PROMOTE
;
2577 if (!op
->need_skip_promote()) {
2578 (void)maybe_promote(obc
, missing_oid
, oloc
, in_hit_set
,
2579 pool
.info
.min_read_recency_for_promote
,
2580 promote_op
, promote_obc
);
2583 return cache_result_t::HANDLED_PROXY
;
2585 assert(0 == "unreachable");
2586 return cache_result_t::NOOP
;
2588 case pg_pool_t::CACHEMODE_FORWARD
:
2589 // FIXME: this mode allows requests to be reordered.
2590 do_cache_redirect(op
);
2591 return cache_result_t::HANDLED_REDIRECT
;
2593 case pg_pool_t::CACHEMODE_READONLY
:
2594 // TODO: clean this case up
2595 if (!obc
.get() && r
== -ENOENT
) {
2596 // we don't have the object and op's a read
2597 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2598 return cache_result_t::BLOCKED_PROMOTE
;
2600 if (!r
) { // it must be a write
2601 do_cache_redirect(op
);
2602 return cache_result_t::HANDLED_REDIRECT
;
2604 // crap, there was a failure of some kind
2605 return cache_result_t::NOOP
;
2607 case pg_pool_t::CACHEMODE_READFORWARD
:
2608 // Do writeback to the cache tier for writes
2609 if (op
->may_write() || write_ordered
|| must_promote
) {
2611 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2612 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2613 block_write_on_full_cache(missing_oid
, op
);
2614 return cache_result_t::BLOCKED_FULL
;
2616 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2617 return cache_result_t::BLOCKED_PROMOTE
;
2620 // If it is a read, we can read, we need to forward it
2621 do_cache_redirect(op
);
2622 return cache_result_t::HANDLED_REDIRECT
;
2624 case pg_pool_t::CACHEMODE_PROXY
:
2625 if (!must_promote
) {
2626 if (op
->may_write() || op
->may_cache() || write_ordered
) {
2627 if (can_proxy_write
) {
2628 do_proxy_write(op
, missing_oid
);
2629 return cache_result_t::HANDLED_PROXY
;
2633 return cache_result_t::HANDLED_PROXY
;
2636 // ugh, we're forced to promote.
2638 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2639 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2640 block_write_on_full_cache(missing_oid
, op
);
2641 return cache_result_t::BLOCKED_FULL
;
2643 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2644 return cache_result_t::BLOCKED_PROMOTE
;
2646 case pg_pool_t::CACHEMODE_READPROXY
:
2647 // Do writeback to the cache tier for writes
2648 if (op
->may_write() || write_ordered
|| must_promote
) {
2650 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2651 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2652 block_write_on_full_cache(missing_oid
, op
);
2653 return cache_result_t::BLOCKED_FULL
;
2655 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2656 return cache_result_t::BLOCKED_PROMOTE
;
2659 // If it is a read, we can read, we need to proxy it
2661 return cache_result_t::HANDLED_PROXY
;
2664 assert(0 == "unrecognized cache_mode");
2666 return cache_result_t::NOOP
;
2669 bool PrimaryLogPG::maybe_promote(ObjectContextRef obc
,
2670 const hobject_t
& missing_oid
,
2671 const object_locator_t
& oloc
,
2674 OpRequestRef promote_op
,
2675 ObjectContextRef
*promote_obc
)
2677 dout(20) << __func__
<< " missing_oid " << missing_oid
2678 << " in_hit_set " << in_hit_set
<< dendl
;
2684 // Check if in the current hit set
2694 unsigned count
= (int)in_hit_set
;
2696 // Check if in other hit sets
2697 const hobject_t
& oid
= obc
.get() ? obc
->obs
.oi
.soid
: missing_oid
;
2698 for (map
<time_t,HitSetRef
>::reverse_iterator itor
=
2699 agent_state
->hit_set_map
.rbegin();
2700 itor
!= agent_state
->hit_set_map
.rend();
2702 if (!itor
->second
->contains(oid
)) {
2706 if (count
>= recency
) {
2711 if (count
>= recency
) {
2714 return false; // not promoting
2719 if (osd
->promote_throttle()) {
2720 dout(10) << __func__
<< " promote throttled" << dendl
;
2723 promote_object(obc
, missing_oid
, oloc
, promote_op
, promote_obc
);
2727 void PrimaryLogPG::do_cache_redirect(OpRequestRef op
)
2729 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2730 int flags
= m
->get_flags() & (CEPH_OSD_FLAG_ACK
|CEPH_OSD_FLAG_ONDISK
);
2731 MOSDOpReply
*reply
= new MOSDOpReply(m
, -ENOENT
,
2732 get_osdmap()->get_epoch(), flags
, false);
2733 request_redirect_t
redir(m
->get_object_locator(), pool
.info
.tier_of
);
2734 reply
->set_redirect(redir
);
2735 dout(10) << "sending redirect to pool " << pool
.info
.tier_of
<< " for op "
2737 m
->get_connection()->send_message(reply
);
2741 struct C_ProxyRead
: public Context
{
2744 epoch_t last_peering_reset
;
2746 PrimaryLogPG::ProxyReadOpRef prdop
;
2748 C_ProxyRead(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
2749 const PrimaryLogPG::ProxyReadOpRef
& prd
)
2750 : pg(p
), oid(o
), last_peering_reset(lpr
),
2751 tid(0), prdop(prd
), start(ceph_clock_now())
2753 void finish(int r
) override
{
2754 if (prdop
->canceled
)
2757 if (prdop
->canceled
) {
2761 if (last_peering_reset
== pg
->get_last_peering_reset()) {
2762 pg
->finish_proxy_read(oid
, tid
, r
);
2763 pg
->osd
->logger
->tinc(l_osd_tier_r_lat
, ceph_clock_now() - start
);
2769 void PrimaryLogPG::do_proxy_read(OpRequestRef op
, ObjectContextRef obc
)
2771 // NOTE: non-const here because the ProxyReadOp needs mutable refs to
2772 // stash the result in the request's OSDOp vector
2773 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
2774 object_locator_t oloc
;
2776 /* extensible tier */
2777 if (obc
&& obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2778 switch (obc
->obs
.oi
.manifest
.type
) {
2779 case object_manifest_t::TYPE_REDIRECT
:
2780 oloc
= object_locator_t(obc
->obs
.oi
.manifest
.redirect_target
);
2781 soid
= obc
->obs
.oi
.manifest
.redirect_target
;
2783 case object_manifest_t::TYPE_CHUNKED
:
2785 assert(0 == "unrecognized manifest type");
2789 soid
= m
->get_hobj();
2790 oloc
= object_locator_t(m
->get_object_locator());
2791 oloc
.pool
= pool
.info
.tier_of
;
2793 unsigned flags
= CEPH_OSD_FLAG_IGNORE_CACHE
| CEPH_OSD_FLAG_IGNORE_OVERLAY
;
2795 // pass through some original flags that make sense.
2796 // - leave out redirection and balancing flags since we are
2797 // already proxying through the primary
2798 // - leave off read/write/exec flags that are derived from the op
2799 flags
|= m
->get_flags() & (CEPH_OSD_FLAG_RWORDERED
|
2800 CEPH_OSD_FLAG_ORDERSNAP
|
2801 CEPH_OSD_FLAG_ENFORCE_SNAPC
|
2802 CEPH_OSD_FLAG_MAP_SNAP_CLONE
);
2804 dout(10) << __func__
<< " Start proxy read for " << *m
<< dendl
;
2806 ProxyReadOpRef
prdop(std::make_shared
<ProxyReadOp
>(op
, soid
, m
->ops
));
2808 ObjectOperation obj_op
;
2809 obj_op
.dup(prdop
->ops
);
2811 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_WRITEBACK
&&
2812 (agent_state
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
)) {
2813 for (unsigned i
= 0; i
< obj_op
.ops
.size(); i
++) {
2814 ceph_osd_op op
= obj_op
.ops
[i
].op
;
2816 case CEPH_OSD_OP_READ
:
2817 case CEPH_OSD_OP_SYNC_READ
:
2818 case CEPH_OSD_OP_SPARSE_READ
:
2819 case CEPH_OSD_OP_CHECKSUM
:
2820 case CEPH_OSD_OP_CMPEXT
:
2821 op
.flags
= (op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL
) &
2822 ~(CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
| CEPH_OSD_OP_FLAG_FADVISE_NOCACHE
);
2827 C_ProxyRead
*fin
= new C_ProxyRead(this, soid
, get_last_peering_reset(),
2829 ceph_tid_t tid
= osd
->objecter
->read(
2830 soid
.oid
, oloc
, obj_op
,
2831 m
->get_snapid(), NULL
,
2832 flags
, new C_OnFinisher(fin
, &osd
->objecter_finisher
),
2833 &prdop
->user_version
,
2834 &prdop
->data_offset
,
2837 prdop
->objecter_tid
= tid
;
2838 proxyread_ops
[tid
] = prdop
;
2839 in_progress_proxy_ops
[soid
].push_back(op
);
2842 void PrimaryLogPG::finish_proxy_read(hobject_t oid
, ceph_tid_t tid
, int r
)
2844 dout(10) << __func__
<< " " << oid
<< " tid " << tid
2845 << " " << cpp_strerror(r
) << dendl
;
2847 map
<ceph_tid_t
, ProxyReadOpRef
>::iterator p
= proxyread_ops
.find(tid
);
2848 if (p
== proxyread_ops
.end()) {
2849 dout(10) << __func__
<< " no proxyread_op found" << dendl
;
2852 ProxyReadOpRef prdop
= p
->second
;
2853 if (tid
!= prdop
->objecter_tid
) {
2854 dout(10) << __func__
<< " tid " << tid
<< " != prdop " << prdop
2855 << " tid " << prdop
->objecter_tid
<< dendl
;
2858 if (oid
!= prdop
->soid
) {
2859 dout(10) << __func__
<< " oid " << oid
<< " != prdop " << prdop
2860 << " soid " << prdop
->soid
<< dendl
;
2863 proxyread_ops
.erase(tid
);
2865 map
<hobject_t
, list
<OpRequestRef
>>::iterator q
= in_progress_proxy_ops
.find(oid
);
2866 if (q
== in_progress_proxy_ops
.end()) {
2867 dout(10) << __func__
<< " no in_progress_proxy_ops found" << dendl
;
2870 assert(q
->second
.size());
2871 list
<OpRequestRef
>::iterator it
= std::find(q
->second
.begin(),
2874 assert(it
!= q
->second
.end());
2875 OpRequestRef op
= *it
;
2876 q
->second
.erase(it
);
2877 if (q
->second
.size() == 0) {
2878 in_progress_proxy_ops
.erase(oid
);
2881 osd
->logger
->inc(l_osd_tier_proxy_read
);
2883 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2884 OpContext
*ctx
= new OpContext(op
, m
->get_reqid(), &prdop
->ops
, this);
2885 ctx
->reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, false);
2886 ctx
->user_at_version
= prdop
->user_version
;
2887 ctx
->data_off
= prdop
->data_offset
;
2888 ctx
->ignore_log_op_stats
= true;
2889 complete_read_ctx(r
, ctx
);
2892 void PrimaryLogPG::kick_proxy_ops_blocked(hobject_t
& soid
)
2894 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
= in_progress_proxy_ops
.find(soid
);
2895 if (p
== in_progress_proxy_ops
.end())
2898 list
<OpRequestRef
>& ls
= p
->second
;
2899 dout(10) << __func__
<< " " << soid
<< " requeuing " << ls
.size() << " requests" << dendl
;
2901 in_progress_proxy_ops
.erase(p
);
2904 void PrimaryLogPG::cancel_proxy_read(ProxyReadOpRef prdop
,
2905 vector
<ceph_tid_t
> *tids
)
2907 dout(10) << __func__
<< " " << prdop
->soid
<< dendl
;
2908 prdop
->canceled
= true;
2910 // cancel objecter op, if we can
2911 if (prdop
->objecter_tid
) {
2912 tids
->push_back(prdop
->objecter_tid
);
2913 for (uint32_t i
= 0; i
< prdop
->ops
.size(); i
++) {
2914 prdop
->ops
[i
].outdata
.clear();
2916 proxyread_ops
.erase(prdop
->objecter_tid
);
2917 prdop
->objecter_tid
= 0;
2921 void PrimaryLogPG::cancel_proxy_ops(bool requeue
, vector
<ceph_tid_t
> *tids
)
2923 dout(10) << __func__
<< dendl
;
2925 // cancel proxy reads
2926 map
<ceph_tid_t
, ProxyReadOpRef
>::iterator p
= proxyread_ops
.begin();
2927 while (p
!= proxyread_ops
.end()) {
2928 cancel_proxy_read((p
++)->second
, tids
);
2931 // cancel proxy writes
2932 map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator q
= proxywrite_ops
.begin();
2933 while (q
!= proxywrite_ops
.end()) {
2934 cancel_proxy_write((q
++)->second
, tids
);
2938 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
=
2939 in_progress_proxy_ops
.begin();
2940 while (p
!= in_progress_proxy_ops
.end()) {
2941 list
<OpRequestRef
>& ls
= p
->second
;
2942 dout(10) << __func__
<< " " << p
->first
<< " requeuing " << ls
.size()
2943 << " requests" << dendl
;
2945 in_progress_proxy_ops
.erase(p
++);
2948 in_progress_proxy_ops
.clear();
2952 struct C_ProxyWrite_Commit
: public Context
{
2955 epoch_t last_peering_reset
;
2957 PrimaryLogPG::ProxyWriteOpRef pwop
;
2958 C_ProxyWrite_Commit(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
2959 const PrimaryLogPG::ProxyWriteOpRef
& pw
)
2960 : pg(p
), oid(o
), last_peering_reset(lpr
),
2963 void finish(int r
) override
{
2967 if (pwop
->canceled
) {
2971 if (last_peering_reset
== pg
->get_last_peering_reset()) {
2972 pg
->finish_proxy_write(oid
, tid
, r
);
2978 void PrimaryLogPG::do_proxy_write(OpRequestRef op
, const hobject_t
& missing_oid
, ObjectContextRef obc
)
2980 // NOTE: non-const because ProxyWriteOp takes a mutable ref
2981 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
2982 object_locator_t oloc
;
2983 SnapContext
snapc(m
->get_snap_seq(), m
->get_snaps());
2985 /* extensible tier */
2986 if (obc
&& obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2987 switch (obc
->obs
.oi
.manifest
.type
) {
2988 case object_manifest_t::TYPE_REDIRECT
:
2989 oloc
= object_locator_t(obc
->obs
.oi
.manifest
.redirect_target
);
2990 soid
= obc
->obs
.oi
.manifest
.redirect_target
;
2992 case object_manifest_t::TYPE_CHUNKED
:
2994 assert(0 == "unrecognized manifest type");
2998 soid
= m
->get_hobj();
2999 oloc
= object_locator_t(m
->get_object_locator());
3000 oloc
.pool
= pool
.info
.tier_of
;
3003 unsigned flags
= CEPH_OSD_FLAG_IGNORE_CACHE
| CEPH_OSD_FLAG_IGNORE_OVERLAY
;
3004 if (!(op
->may_write() || op
->may_cache())) {
3005 flags
|= CEPH_OSD_FLAG_RWORDERED
;
3007 dout(10) << __func__
<< " Start proxy write for " << *m
<< dendl
;
3009 ProxyWriteOpRef
pwop(std::make_shared
<ProxyWriteOp
>(op
, soid
, m
->ops
, m
->get_reqid()));
3010 pwop
->ctx
= new OpContext(op
, m
->get_reqid(), &pwop
->ops
, this);
3011 pwop
->mtime
= m
->get_mtime();
3013 ObjectOperation obj_op
;
3014 obj_op
.dup(pwop
->ops
);
3016 C_ProxyWrite_Commit
*fin
= new C_ProxyWrite_Commit(
3017 this, soid
, get_last_peering_reset(), pwop
);
3018 ceph_tid_t tid
= osd
->objecter
->mutate(
3019 soid
.oid
, oloc
, obj_op
, snapc
,
3020 ceph::real_clock::from_ceph_timespec(pwop
->mtime
),
3021 flags
, new C_OnFinisher(fin
, &osd
->objecter_finisher
),
3022 &pwop
->user_version
, pwop
->reqid
);
3024 pwop
->objecter_tid
= tid
;
3025 proxywrite_ops
[tid
] = pwop
;
3026 in_progress_proxy_ops
[soid
].push_back(op
);
3029 void PrimaryLogPG::finish_proxy_write(hobject_t oid
, ceph_tid_t tid
, int r
)
3031 dout(10) << __func__
<< " " << oid
<< " tid " << tid
3032 << " " << cpp_strerror(r
) << dendl
;
3034 map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator p
= proxywrite_ops
.find(tid
);
3035 if (p
== proxywrite_ops
.end()) {
3036 dout(10) << __func__
<< " no proxywrite_op found" << dendl
;
3039 ProxyWriteOpRef pwop
= p
->second
;
3040 assert(tid
== pwop
->objecter_tid
);
3041 assert(oid
== pwop
->soid
);
3043 proxywrite_ops
.erase(tid
);
3045 map
<hobject_t
, list
<OpRequestRef
> >::iterator q
= in_progress_proxy_ops
.find(oid
);
3046 if (q
== in_progress_proxy_ops
.end()) {
3047 dout(10) << __func__
<< " no in_progress_proxy_ops found" << dendl
;
3052 list
<OpRequestRef
>& in_progress_op
= q
->second
;
3053 assert(in_progress_op
.size());
3054 list
<OpRequestRef
>::iterator it
= std::find(in_progress_op
.begin(),
3055 in_progress_op
.end(),
3057 assert(it
!= in_progress_op
.end());
3058 in_progress_op
.erase(it
);
3059 if (in_progress_op
.size() == 0) {
3060 in_progress_proxy_ops
.erase(oid
);
3063 osd
->logger
->inc(l_osd_tier_proxy_write
);
3065 const MOSDOp
*m
= static_cast<const MOSDOp
*>(pwop
->op
->get_req());
3068 if (!pwop
->sent_reply
) {
3070 MOSDOpReply
*reply
= pwop
->ctx
->reply
;
3072 pwop
->ctx
->reply
= NULL
;
3074 reply
= new MOSDOpReply(m
, r
, get_osdmap()->get_epoch(), 0, true);
3075 reply
->set_reply_versions(eversion_t(), pwop
->user_version
);
3077 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3078 dout(10) << " sending commit on " << pwop
<< " " << reply
<< dendl
;
3079 osd
->send_message_osd_client(reply
, m
->get_connection());
3080 pwop
->sent_reply
= true;
3081 pwop
->ctx
->op
->mark_commit_sent();
3088 void PrimaryLogPG::cancel_proxy_write(ProxyWriteOpRef pwop
,
3089 vector
<ceph_tid_t
> *tids
)
3091 dout(10) << __func__
<< " " << pwop
->soid
<< dendl
;
3092 pwop
->canceled
= true;
3094 // cancel objecter op, if we can
3095 if (pwop
->objecter_tid
) {
3096 tids
->push_back(pwop
->objecter_tid
);
3099 proxywrite_ops
.erase(pwop
->objecter_tid
);
3100 pwop
->objecter_tid
= 0;
3104 class PromoteCallback
: public PrimaryLogPG::CopyCallback
{
3105 ObjectContextRef obc
;
3109 PromoteCallback(ObjectContextRef obc_
, PrimaryLogPG
*pg_
)
3112 start(ceph_clock_now()) {}
3114 void finish(PrimaryLogPG::CopyCallbackResults results
) override
{
3115 PrimaryLogPG::CopyResults
*results_data
= results
.get
<1>();
3116 int r
= results
.get
<0>();
3117 pg
->finish_promote(r
, results_data
, obc
);
3118 pg
->osd
->logger
->tinc(l_osd_tier_promote_lat
, ceph_clock_now() - start
);
3122 void PrimaryLogPG::promote_object(ObjectContextRef obc
,
3123 const hobject_t
& missing_oid
,
3124 const object_locator_t
& oloc
,
3126 ObjectContextRef
*promote_obc
)
3128 hobject_t hoid
= obc
? obc
->obs
.oi
.soid
: missing_oid
;
3129 assert(hoid
!= hobject_t());
3130 if (scrubber
.write_blocked_by_scrub(hoid
)) {
3131 dout(10) << __func__
<< " " << hoid
3132 << " blocked by scrub" << dendl
;
3134 waiting_for_scrub
.push_back(op
);
3135 op
->mark_delayed("waiting for scrub");
3136 dout(10) << __func__
<< " " << hoid
3137 << " placing op in waiting_for_scrub" << dendl
;
3139 dout(10) << __func__
<< " " << hoid
3140 << " no op, dropping on the floor" << dendl
;
3144 if (!obc
) { // we need to create an ObjectContext
3145 assert(missing_oid
!= hobject_t());
3146 obc
= get_object_context(missing_oid
, true);
3152 * Before promote complete, if there are proxy-reads for the object,
3153 * for this case we don't use DONTNEED.
3155 unsigned src_fadvise_flags
= LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL
;
3156 map
<hobject_t
, list
<OpRequestRef
>>::iterator q
= in_progress_proxy_ops
.find(obc
->obs
.oi
.soid
);
3157 if (q
== in_progress_proxy_ops
.end()) {
3158 src_fadvise_flags
|= LIBRADOS_OP_FLAG_FADVISE_DONTNEED
;
3161 PromoteCallback
*cb
= new PromoteCallback(obc
, this);
3162 object_locator_t my_oloc
= oloc
;
3163 my_oloc
.pool
= pool
.info
.tier_of
;
3165 unsigned flags
= CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
|
3166 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
|
3167 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
|
3168 CEPH_OSD_COPY_FROM_FLAG_RWORDERED
;
3169 start_copy(cb
, obc
, obc
->obs
.oi
.soid
, my_oloc
, 0, flags
,
3170 obc
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
,
3171 src_fadvise_flags
, 0);
3173 assert(obc
->is_blocked());
3176 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
3177 info
.stats
.stats
.sum
.num_promote
++;
3180 void PrimaryLogPG::execute_ctx(OpContext
*ctx
)
3183 dout(10) << __func__
<< " " << ctx
<< dendl
;
3184 ctx
->reset_obs(ctx
->obc
);
3185 ctx
->update_log_only
= false; // reset in case finish_copyfrom() is re-running execute_ctx
3186 OpRequestRef op
= ctx
->op
;
3187 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
3188 ObjectContextRef obc
= ctx
->obc
;
3189 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
3191 // this method must be idempotent since we may call it several times
3192 // before we finally apply the resulting transaction.
3193 ctx
->op_t
.reset(new PGTransaction
);
3195 if (op
->may_write() || op
->may_cache()) {
3197 if (!(m
->has_flag(CEPH_OSD_FLAG_ENFORCE_SNAPC
)) &&
3198 pool
.info
.is_pool_snaps_mode()) {
3200 ctx
->snapc
= pool
.snapc
;
3202 // client specified snapc
3203 ctx
->snapc
.seq
= m
->get_snap_seq();
3204 ctx
->snapc
.snaps
= m
->get_snaps();
3205 filter_snapc(ctx
->snapc
.snaps
);
3207 if ((m
->has_flag(CEPH_OSD_FLAG_ORDERSNAP
)) &&
3208 ctx
->snapc
.seq
< obc
->ssc
->snapset
.seq
) {
3209 dout(10) << " ORDERSNAP flag set and snapc seq " << ctx
->snapc
.seq
3210 << " < snapset seq " << obc
->ssc
->snapset
.seq
3211 << " on " << obc
->obs
.oi
.soid
<< dendl
;
3212 reply_ctx(ctx
, -EOLDSNAPC
);
3217 ctx
->at_version
= get_next_version();
3218 ctx
->mtime
= m
->get_mtime();
3220 dout(10) << __func__
<< " " << soid
<< " " << *ctx
->ops
3221 << " ov " << obc
->obs
.oi
.version
<< " av " << ctx
->at_version
3222 << " snapc " << ctx
->snapc
3223 << " snapset " << obc
->ssc
->snapset
3226 dout(10) << __func__
<< " " << soid
<< " " << *ctx
->ops
3227 << " ov " << obc
->obs
.oi
.version
3231 if (!ctx
->user_at_version
)
3232 ctx
->user_at_version
= obc
->obs
.oi
.user_version
;
3233 dout(30) << __func__
<< " user_at_version " << ctx
->user_at_version
<< dendl
;
3235 if (op
->may_read()) {
3236 dout(10) << " taking ondisk_read_lock" << dendl
;
3237 obc
->ondisk_read_lock();
3242 osd_reqid_t reqid
= ctx
->op
->get_reqid();
3244 tracepoint(osd
, prepare_tx_enter
, reqid
.name
._type
,
3245 reqid
.name
._num
, reqid
.tid
, reqid
.inc
);
3248 int result
= prepare_transaction(ctx
);
3252 osd_reqid_t reqid
= ctx
->op
->get_reqid();
3254 tracepoint(osd
, prepare_tx_exit
, reqid
.name
._type
,
3255 reqid
.name
._num
, reqid
.tid
, reqid
.inc
);
3258 if (op
->may_read()) {
3259 dout(10) << " dropping ondisk_read_lock" << dendl
;
3260 obc
->ondisk_read_unlock();
3263 bool pending_async_reads
= !ctx
->pending_async_reads
.empty();
3264 if (result
== -EINPROGRESS
|| pending_async_reads
) {
3266 if (pending_async_reads
) {
3267 in_progress_async_reads
.push_back(make_pair(op
, ctx
));
3268 ctx
->start_async_reads(this);
3273 if (result
== -EAGAIN
) {
3274 // clean up after the ctx
3279 bool successful_write
= !ctx
->op_t
->empty() && op
->may_write() && result
>= 0;
3280 // prepare the reply
3281 ctx
->reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0,
3284 // Write operations aren't allowed to return a data payload because
3285 // we can't do so reliably. If the client has to resend the request
3286 // and it has already been applied, we will return 0 with no
3287 // payload. Non-deterministic behavior is no good. However, it is
3288 // possible to construct an operation that does a read, does a guard
3289 // check (e.g., CMPXATTR), and then a write. Then we either succeed
3290 // with the write, or return a CMPXATTR and the read value.
3291 if (successful_write
) {
3292 // write. normalize the result code.
3293 dout(20) << " zeroing write result code " << result
<< dendl
;
3296 ctx
->reply
->set_result(result
);
3299 if ((ctx
->op_t
->empty() || result
< 0) && !ctx
->update_log_only
) {
3300 // finish side-effects
3302 do_osd_op_effects(ctx
, m
->get_connection());
3304 complete_read_ctx(result
, ctx
);
3308 ctx
->reply
->set_reply_versions(ctx
->at_version
, ctx
->user_at_version
);
3310 assert(op
->may_write() || op
->may_cache());
3315 // verify that we are doing this in order?
3316 if (cct
->_conf
->osd_debug_op_order
&& m
->get_source().is_client() &&
3317 !pool
.info
.is_tier() && !pool
.info
.has_tiers()) {
3318 map
<client_t
,ceph_tid_t
>& cm
= debug_op_order
[obc
->obs
.oi
.soid
];
3319 ceph_tid_t t
= m
->get_tid();
3320 client_t n
= m
->get_source().num();
3321 map
<client_t
,ceph_tid_t
>::iterator p
= cm
.find(n
);
3322 if (p
== cm
.end()) {
3323 dout(20) << " op order client." << n
<< " tid " << t
<< " (first)" << dendl
;
3326 dout(20) << " op order client." << n
<< " tid " << t
<< " last was " << p
->second
<< dendl
;
3327 if (p
->second
> t
) {
3328 derr
<< "bad op order, already applied " << p
->second
<< " > this " << t
<< dendl
;
3329 assert(0 == "out of order op");
3335 if (ctx
->update_log_only
) {
3337 do_osd_op_effects(ctx
, m
->get_connection());
3339 dout(20) << __func__
<< " update_log_only -- result=" << result
<< dendl
;
3340 // save just what we need from ctx
3341 MOSDOpReply
*reply
= ctx
->reply
;
3342 ctx
->reply
= nullptr;
3343 reply
->claim_op_out_data(*ctx
->ops
);
3344 reply
->get_header().data_off
= (ctx
->data_off
? *ctx
->data_off
: 0);
3347 if (result
== -ENOENT
) {
3348 reply
->set_enoent_reply_versions(info
.last_update
,
3349 info
.last_user_version
);
3351 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3352 // append to pg log for dup detection - don't save buffers for now
3353 record_write_error(op
, soid
, reply
, result
);
3357 // no need to capture PG ref, repop cancel will handle that
3358 // Can capture the ctx by pointer, it's owned by the repop
3359 ctx
->register_on_commit(
3365 if (m
&& !ctx
->sent_reply
) {
3366 MOSDOpReply
*reply
= ctx
->reply
;
3368 ctx
->reply
= nullptr;
3370 reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, true);
3371 reply
->set_reply_versions(ctx
->at_version
,
3372 ctx
->user_at_version
);
3374 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3375 dout(10) << " sending reply on " << *m
<< " " << reply
<< dendl
;
3376 osd
->send_message_osd_client(reply
, m
->get_connection());
3377 ctx
->sent_reply
= true;
3378 ctx
->op
->mark_commit_sent();
3381 ctx
->register_on_success(
3385 ctx
->op
? ctx
->op
->get_req()->get_connection() :
3388 ctx
->register_on_finish(
3393 // issue replica writes
3394 ceph_tid_t rep_tid
= osd
->get_tid();
3396 RepGather
*repop
= new_repop(ctx
, obc
, rep_tid
);
3398 issue_repop(repop
, ctx
);
3403 void PrimaryLogPG::close_op_ctx(OpContext
*ctx
) {
3404 release_object_locks(ctx
->lock_manager
);
3408 for (auto p
= ctx
->on_finish
.begin(); p
!= ctx
->on_finish
.end();
3409 ctx
->on_finish
.erase(p
++)) {
3415 void PrimaryLogPG::reply_ctx(OpContext
*ctx
, int r
)
3418 osd
->reply_op_error(ctx
->op
, r
);
3422 void PrimaryLogPG::reply_ctx(OpContext
*ctx
, int r
, eversion_t v
, version_t uv
)
3425 osd
->reply_op_error(ctx
->op
, r
, v
, uv
);
3429 void PrimaryLogPG::log_op_stats(OpContext
*ctx
)
3431 OpRequestRef op
= ctx
->op
;
3432 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
3434 utime_t now
= ceph_clock_now();
3435 utime_t latency
= now
;
3436 latency
-= ctx
->op
->get_req()->get_recv_stamp();
3437 utime_t process_latency
= now
;
3438 process_latency
-= ctx
->op
->get_dequeued_time();
3440 uint64_t inb
= ctx
->bytes_written
;
3441 uint64_t outb
= ctx
->bytes_read
;
3443 osd
->logger
->inc(l_osd_op
);
3445 osd
->logger
->inc(l_osd_op_outb
, outb
);
3446 osd
->logger
->inc(l_osd_op_inb
, inb
);
3447 osd
->logger
->tinc(l_osd_op_lat
, latency
);
3448 osd
->logger
->tinc(l_osd_op_process_lat
, process_latency
);
3450 if (op
->may_read() && op
->may_write()) {
3451 osd
->logger
->inc(l_osd_op_rw
);
3452 osd
->logger
->inc(l_osd_op_rw_inb
, inb
);
3453 osd
->logger
->inc(l_osd_op_rw_outb
, outb
);
3454 osd
->logger
->tinc(l_osd_op_rw_lat
, latency
);
3455 osd
->logger
->hinc(l_osd_op_rw_lat_inb_hist
, latency
.to_nsec(), inb
);
3456 osd
->logger
->hinc(l_osd_op_rw_lat_outb_hist
, latency
.to_nsec(), outb
);
3457 osd
->logger
->tinc(l_osd_op_rw_process_lat
, process_latency
);
3458 } else if (op
->may_read()) {
3459 osd
->logger
->inc(l_osd_op_r
);
3460 osd
->logger
->inc(l_osd_op_r_outb
, outb
);
3461 osd
->logger
->tinc(l_osd_op_r_lat
, latency
);
3462 osd
->logger
->hinc(l_osd_op_r_lat_outb_hist
, latency
.to_nsec(), outb
);
3463 osd
->logger
->tinc(l_osd_op_r_process_lat
, process_latency
);
3464 } else if (op
->may_write() || op
->may_cache()) {
3465 osd
->logger
->inc(l_osd_op_w
);
3466 osd
->logger
->inc(l_osd_op_w_inb
, inb
);
3467 osd
->logger
->tinc(l_osd_op_w_lat
, latency
);
3468 osd
->logger
->hinc(l_osd_op_w_lat_inb_hist
, latency
.to_nsec(), inb
);
3469 osd
->logger
->tinc(l_osd_op_w_process_lat
, process_latency
);
3473 dout(15) << "log_op_stats " << *m
3476 << " lat " << latency
<< dendl
;
3479 void PrimaryLogPG::do_sub_op(OpRequestRef op
)
3481 const MOSDSubOp
*m
= static_cast<const MOSDSubOp
*>(op
->get_req());
3482 assert(have_same_or_newer_map(m
->map_epoch
));
3483 assert(m
->get_type() == MSG_OSD_SUBOP
);
3484 dout(15) << "do_sub_op " << *op
->get_req() << dendl
;
3487 waiting_for_peered
.push_back(op
);
3488 op
->mark_delayed("waiting for active");
3492 const OSDOp
*first
= NULL
;
3493 if (m
->ops
.size() >= 1) {
3498 switch (first
->op
.op
) {
3499 case CEPH_OSD_OP_DELETE
:
3502 case CEPH_OSD_OP_SCRUB_RESERVE
:
3503 handle_scrub_reserve_request(op
);
3505 case CEPH_OSD_OP_SCRUB_UNRESERVE
:
3506 handle_scrub_reserve_release(op
);
3508 case CEPH_OSD_OP_SCRUB_MAP
:
3509 sub_op_scrub_map(op
);
3515 void PrimaryLogPG::do_sub_op_reply(OpRequestRef op
)
3517 const MOSDSubOpReply
*r
= static_cast<const MOSDSubOpReply
*>(op
->get_req());
3518 assert(r
->get_type() == MSG_OSD_SUBOPREPLY
);
3519 if (r
->ops
.size() >= 1) {
3520 const OSDOp
& first
= r
->ops
[0];
3521 switch (first
.op
.op
) {
3522 case CEPH_OSD_OP_SCRUB_RESERVE
:
3524 pg_shard_t from
= r
->from
;
3525 bufferlist::iterator p
= const_cast<bufferlist
&>(r
->get_data()).begin();
3527 ::decode(reserved
, p
);
3529 handle_scrub_reserve_grant(op
, from
);
3531 handle_scrub_reserve_reject(op
, from
);
3539 void PrimaryLogPG::do_scan(
3541 ThreadPool::TPHandle
&handle
)
3543 const MOSDPGScan
*m
= static_cast<const MOSDPGScan
*>(op
->get_req());
3544 assert(m
->get_type() == MSG_OSD_PG_SCAN
);
3545 dout(10) << "do_scan " << *m
<< dendl
;
3550 case MOSDPGScan::OP_SCAN_GET_DIGEST
:
3553 if (osd
->check_backfill_full(ss
)) {
3554 dout(1) << __func__
<< ": Canceling backfill, " << ss
.str() << dendl
;
3555 queue_peering_event(
3557 std::make_shared
<CephPeeringEvt
>(
3558 get_osdmap()->get_epoch(),
3559 get_osdmap()->get_epoch(),
3560 BackfillTooFull())));
3564 BackfillInterval bi
;
3565 bi
.begin
= m
->begin
;
3566 // No need to flush, there won't be any in progress writes occuring
3569 cct
->_conf
->osd_backfill_scan_min
,
3570 cct
->_conf
->osd_backfill_scan_max
,
3573 MOSDPGScan
*reply
= new MOSDPGScan(
3574 MOSDPGScan::OP_SCAN_DIGEST
,
3576 get_osdmap()->get_epoch(), m
->query_epoch
,
3577 spg_t(info
.pgid
.pgid
, get_primary().shard
), bi
.begin
, bi
.end
);
3578 ::encode(bi
.objects
, reply
->get_data());
3579 osd
->send_message_osd_cluster(reply
, m
->get_connection());
3583 case MOSDPGScan::OP_SCAN_DIGEST
:
3585 pg_shard_t from
= m
->from
;
3587 // Check that from is in backfill_targets vector
3588 assert(is_backfill_targets(from
));
3590 BackfillInterval
& bi
= peer_backfill_info
[from
];
3591 bi
.begin
= m
->begin
;
3593 bufferlist::iterator p
= const_cast<bufferlist
&>(m
->get_data()).begin();
3595 // take care to preserve ordering!
3597 ::decode_noclear(bi
.objects
, p
);
3599 if (waiting_on_backfill
.erase(from
)) {
3600 if (waiting_on_backfill
.empty()) {
3601 assert(peer_backfill_info
.size() == backfill_targets
.size());
3602 finish_recovery_op(hobject_t::get_max());
3605 // we canceled backfill for a while due to a too full, and this
3606 // is an extra response from a non-too-full peer
3613 void PrimaryLogPG::do_backfill(OpRequestRef op
)
3615 const MOSDPGBackfill
*m
= static_cast<const MOSDPGBackfill
*>(op
->get_req());
3616 assert(m
->get_type() == MSG_OSD_PG_BACKFILL
);
3617 dout(10) << "do_backfill " << *m
<< dendl
;
3622 case MOSDPGBackfill::OP_BACKFILL_FINISH
:
3624 assert(cct
->_conf
->osd_kill_backfill_at
!= 1);
3626 MOSDPGBackfill
*reply
= new MOSDPGBackfill(
3627 MOSDPGBackfill::OP_BACKFILL_FINISH_ACK
,
3628 get_osdmap()->get_epoch(),
3630 spg_t(info
.pgid
.pgid
, get_primary().shard
));
3631 reply
->set_priority(get_recovery_op_priority());
3632 osd
->send_message_osd_cluster(reply
, m
->get_connection());
3633 queue_peering_event(
3635 std::make_shared
<CephPeeringEvt
>(
3636 get_osdmap()->get_epoch(),
3637 get_osdmap()->get_epoch(),
3642 case MOSDPGBackfill::OP_BACKFILL_PROGRESS
:
3644 assert(cct
->_conf
->osd_kill_backfill_at
!= 2);
3646 info
.set_last_backfill(m
->last_backfill
);
3647 info
.stats
= m
->stats
;
3649 ObjectStore::Transaction t
;
3652 int tr
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
3657 case MOSDPGBackfill::OP_BACKFILL_FINISH_ACK
:
3659 assert(is_primary());
3660 assert(cct
->_conf
->osd_kill_backfill_at
!= 3);
3661 finish_recovery_op(hobject_t::get_max());
3667 void PrimaryLogPG::do_backfill_remove(OpRequestRef op
)
3669 const MOSDPGBackfillRemove
*m
= static_cast<const MOSDPGBackfillRemove
*>(
3671 assert(m
->get_type() == MSG_OSD_PG_BACKFILL_REMOVE
);
3672 dout(7) << __func__
<< " " << m
->ls
<< dendl
;
3676 ObjectStore::Transaction t
;
3677 for (auto& p
: m
->ls
) {
3678 remove_snap_mapped_object(t
, p
.first
);
3680 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
3684 int PrimaryLogPG::trim_object(
3685 bool first
, const hobject_t
&coid
, PrimaryLogPG::OpContextUPtr
*ctxp
)
3690 ObjectContextRef obc
= get_object_context(coid
, false, NULL
);
3691 if (!obc
|| !obc
->ssc
|| !obc
->ssc
->exists
) {
3692 osd
->clog
->error() << __func__
<< ": Can not trim " << coid
3693 << " repair needed " << (obc
? "(no obc->ssc or !exists)" : "(no obc)");
3698 coid
.oid
, coid
.get_key(),
3699 obc
->ssc
->snapset
.head_exists
? CEPH_NOSNAP
:CEPH_SNAPDIR
, coid
.get_hash(),
3700 info
.pgid
.pool(), coid
.get_namespace());
3701 ObjectContextRef snapset_obc
= get_object_context(snapoid
, false);
3703 osd
->clog
->error() << __func__
<< ": Can not trim " << coid
3704 << " repair needed, no snapset obc for " << snapoid
;
3708 SnapSet
& snapset
= obc
->ssc
->snapset
;
3710 bool legacy
= snapset
.is_legacy() ||
3711 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
3713 object_info_t
&coi
= obc
->obs
.oi
;
3714 set
<snapid_t
> old_snaps
;
3716 old_snaps
.insert(coi
.legacy_snaps
.begin(), coi
.legacy_snaps
.end());
3718 auto p
= snapset
.clone_snaps
.find(coid
.snap
);
3719 if (p
== snapset
.clone_snaps
.end()) {
3720 osd
->clog
->error() << "No clone_snaps in snapset " << snapset
3721 << " for object " << coid
<< "\n";
3724 old_snaps
.insert(snapset
.clone_snaps
[coid
.snap
].begin(),
3725 snapset
.clone_snaps
[coid
.snap
].end());
3727 if (old_snaps
.empty()) {
3728 osd
->clog
->error() << "No object info snaps for object " << coid
;
3732 dout(10) << coid
<< " old_snaps " << old_snaps
3733 << " old snapset " << snapset
<< dendl
;
3734 if (snapset
.seq
== 0) {
3735 osd
->clog
->error() << "No snapset.seq for object " << coid
;
3739 set
<snapid_t
> new_snaps
;
3740 for (set
<snapid_t
>::iterator i
= old_snaps
.begin();
3741 i
!= old_snaps
.end();
3743 if (!pool
.info
.is_removed_snap(*i
))
3744 new_snaps
.insert(*i
);
3747 vector
<snapid_t
>::iterator p
= snapset
.clones
.end();
3749 if (new_snaps
.empty()) {
3750 p
= std::find(snapset
.clones
.begin(), snapset
.clones
.end(), coid
.snap
);
3751 if (p
== snapset
.clones
.end()) {
3752 osd
->clog
->error() << "Snap " << coid
.snap
<< " not in clones";
3757 OpContextUPtr ctx
= simple_opc_create(obc
);
3758 ctx
->snapset_obc
= snapset_obc
;
3760 if (!ctx
->lock_manager
.get_snaptrimmer_write(
3764 close_op_ctx(ctx
.release());
3765 dout(10) << __func__
<< ": Unable to get a wlock on " << coid
<< dendl
;
3769 if (!ctx
->lock_manager
.get_snaptrimmer_write(
3773 close_op_ctx(ctx
.release());
3774 dout(10) << __func__
<< ": Unable to get a wlock on " << snapoid
<< dendl
;
3778 ctx
->at_version
= get_next_version();
3780 PGTransaction
*t
= ctx
->op_t
.get();
3782 if (new_snaps
.empty()) {
3784 dout(10) << coid
<< " snaps " << old_snaps
<< " -> "
3785 << new_snaps
<< " ... deleting" << dendl
;
3788 assert(p
!= snapset
.clones
.end());
3790 snapid_t last
= coid
.snap
;
3791 ctx
->delta_stats
.num_bytes
-= snapset
.get_clone_bytes(last
);
3793 if (p
!= snapset
.clones
.begin()) {
3794 // not the oldest... merge overlap into next older clone
3795 vector
<snapid_t
>::iterator n
= p
- 1;
3796 hobject_t prev_coid
= coid
;
3797 prev_coid
.snap
= *n
;
3798 bool adjust_prev_bytes
= is_present_clone(prev_coid
);
3800 if (adjust_prev_bytes
)
3801 ctx
->delta_stats
.num_bytes
-= snapset
.get_clone_bytes(*n
);
3803 snapset
.clone_overlap
[*n
].intersection_of(
3804 snapset
.clone_overlap
[*p
]);
3806 if (adjust_prev_bytes
)
3807 ctx
->delta_stats
.num_bytes
+= snapset
.get_clone_bytes(*n
);
3809 ctx
->delta_stats
.num_objects
--;
3811 ctx
->delta_stats
.num_objects_dirty
--;
3813 ctx
->delta_stats
.num_objects_omap
--;
3814 if (coi
.is_whiteout()) {
3815 dout(20) << __func__
<< " trimming whiteout on " << coid
<< dendl
;
3816 ctx
->delta_stats
.num_whiteouts
--;
3818 ctx
->delta_stats
.num_object_clones
--;
3819 if (coi
.is_cache_pinned())
3820 ctx
->delta_stats
.num_objects_pinned
--;
3821 obc
->obs
.exists
= false;
3823 snapset
.clones
.erase(p
);
3824 snapset
.clone_overlap
.erase(last
);
3825 snapset
.clone_size
.erase(last
);
3826 snapset
.clone_snaps
.erase(last
);
3830 pg_log_entry_t::DELETE
,
3833 ctx
->obs
->oi
.version
,
3845 coi
= object_info_t(coid
);
3847 ctx
->at_version
.version
++;
3849 // save adjusted snaps for this object
3850 dout(10) << coid
<< " snaps " << old_snaps
<< " -> " << new_snaps
<< dendl
;
3852 coi
.legacy_snaps
= vector
<snapid_t
>(new_snaps
.rbegin(), new_snaps
.rend());
3854 snapset
.clone_snaps
[coid
.snap
] = vector
<snapid_t
>(new_snaps
.rbegin(),
3856 // we still do a 'modify' event on this object just to trigger a
3857 // snapmapper.update ... :(
3860 coi
.prior_version
= coi
.version
;
3861 coi
.version
= ctx
->at_version
;
3863 ::encode(coi
, bl
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
3864 t
->setattr(coid
, OI_ATTR
, bl
);
3868 pg_log_entry_t::MODIFY
,
3877 ctx
->at_version
.version
++;
3885 // save head snapset
3886 dout(10) << coid
<< " new snapset " << snapset
<< " on "
3887 << snapset_obc
->obs
.oi
<< dendl
;
3888 if (snapset
.clones
.empty() &&
3889 (!snapset
.head_exists
||
3890 (snapset_obc
->obs
.oi
.is_whiteout() &&
3891 !(snapset_obc
->obs
.oi
.is_dirty() && pool
.info
.is_tier()) &&
3892 !snapset_obc
->obs
.oi
.is_cache_pinned()))) {
3893 // NOTE: this arguably constitutes minor interference with the
3894 // tiering agent if this is a cache tier since a snap trim event
3895 // is effectively evicting a whiteout we might otherwise want to
3897 dout(10) << coid
<< " removing " << snapoid
<< dendl
;
3900 pg_log_entry_t::DELETE
,
3903 ctx
->snapset_obc
->obs
.oi
.version
,
3909 if (snapoid
.is_head()) {
3910 derr
<< "removing snap head" << dendl
;
3911 object_info_t
& oi
= ctx
->snapset_obc
->obs
.oi
;
3912 ctx
->delta_stats
.num_objects
--;
3913 if (oi
.is_dirty()) {
3914 ctx
->delta_stats
.num_objects_dirty
--;
3917 ctx
->delta_stats
.num_objects_omap
--;
3918 if (oi
.is_whiteout()) {
3919 dout(20) << __func__
<< " trimming whiteout on " << oi
.soid
<< dendl
;
3920 ctx
->delta_stats
.num_whiteouts
--;
3922 if (oi
.is_cache_pinned()) {
3923 ctx
->delta_stats
.num_objects_pinned
--;
3926 ctx
->snapset_obc
->obs
.exists
= false;
3927 ctx
->snapset_obc
->obs
.oi
= object_info_t(snapoid
);
3930 dout(10) << coid
<< " filtering snapset on " << snapoid
<< dendl
;
3931 snapset
.filter(pool
.info
);
3932 dout(10) << coid
<< " writing updated snapset on " << snapoid
3933 << ", snapset is " << snapset
<< dendl
;
3936 pg_log_entry_t::MODIFY
,
3939 ctx
->snapset_obc
->obs
.oi
.version
,
3946 ctx
->snapset_obc
->obs
.oi
.prior_version
=
3947 ctx
->snapset_obc
->obs
.oi
.version
;
3948 ctx
->snapset_obc
->obs
.oi
.version
= ctx
->at_version
;
3950 map
<string
, bufferlist
> attrs
;
3952 ::encode(snapset
, bl
);
3953 attrs
[SS_ATTR
].claim(bl
);
3956 ::encode(ctx
->snapset_obc
->obs
.oi
, bl
,
3957 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
3958 attrs
[OI_ATTR
].claim(bl
);
3959 t
->setattrs(snapoid
, attrs
);
3962 *ctxp
= std::move(ctx
);
3966 void PrimaryLogPG::kick_snap_trim()
3968 assert(is_active());
3969 assert(is_primary());
3970 if (is_clean() && !snap_trimq
.empty()) {
3971 dout(10) << __func__
<< ": clean and snaps to trim, kicking" << dendl
;
3972 snap_trimmer_machine
.process_event(KickTrim());
3976 void PrimaryLogPG::snap_trimmer_scrub_complete()
3978 if (is_primary() && is_active() && is_clean()) {
3979 assert(!snap_trimq
.empty());
3980 snap_trimmer_machine
.process_event(ScrubComplete());
3984 void PrimaryLogPG::snap_trimmer(epoch_t queued
)
3986 if (deleting
|| pg_has_reset_since(queued
)) {
3990 assert(is_primary());
3992 dout(10) << "snap_trimmer posting" << dendl
;
3993 snap_trimmer_machine
.process_event(DoSnapWork());
3994 dout(10) << "snap_trimmer complete" << dendl
;
3998 int PrimaryLogPG::do_xattr_cmp_u64(int op
, __u64 v1
, bufferlist
& xattr
)
4002 string
v2s(xattr
.c_str(), xattr
.length());
4004 v2
= strtoull(v2s
.c_str(), NULL
, 10);
4008 dout(20) << "do_xattr_cmp_u64 '" << v1
<< "' vs '" << v2
<< "' op " << op
<< dendl
;
4011 case CEPH_OSD_CMPXATTR_OP_EQ
:
4013 case CEPH_OSD_CMPXATTR_OP_NE
:
4015 case CEPH_OSD_CMPXATTR_OP_GT
:
4017 case CEPH_OSD_CMPXATTR_OP_GTE
:
4019 case CEPH_OSD_CMPXATTR_OP_LT
:
4021 case CEPH_OSD_CMPXATTR_OP_LTE
:
4028 int PrimaryLogPG::do_xattr_cmp_str(int op
, string
& v1s
, bufferlist
& xattr
)
4030 string
v2s(xattr
.c_str(), xattr
.length());
4032 dout(20) << "do_xattr_cmp_str '" << v1s
<< "' vs '" << v2s
<< "' op " << op
<< dendl
;
4035 case CEPH_OSD_CMPXATTR_OP_EQ
:
4036 return (v1s
.compare(v2s
) == 0);
4037 case CEPH_OSD_CMPXATTR_OP_NE
:
4038 return (v1s
.compare(v2s
) != 0);
4039 case CEPH_OSD_CMPXATTR_OP_GT
:
4040 return (v1s
.compare(v2s
) > 0);
4041 case CEPH_OSD_CMPXATTR_OP_GTE
:
4042 return (v1s
.compare(v2s
) >= 0);
4043 case CEPH_OSD_CMPXATTR_OP_LT
:
4044 return (v1s
.compare(v2s
) < 0);
4045 case CEPH_OSD_CMPXATTR_OP_LTE
:
4046 return (v1s
.compare(v2s
) <= 0);
4052 int PrimaryLogPG::do_writesame(OpContext
*ctx
, OSDOp
& osd_op
)
4054 ceph_osd_op
& op
= osd_op
.op
;
4055 vector
<OSDOp
> write_ops(1);
4056 OSDOp
& write_op
= write_ops
[0];
4057 uint64_t write_length
= op
.writesame
.length
;
4063 if (!op
.writesame
.data_length
|| write_length
% op
.writesame
.data_length
)
4066 if (op
.writesame
.data_length
!= osd_op
.indata
.length()) {
4067 derr
<< "invalid length ws data length " << op
.writesame
.data_length
<< " actual len " << osd_op
.indata
.length() << dendl
;
4071 while (write_length
) {
4072 write_op
.indata
.append(osd_op
.indata
);
4073 write_length
-= op
.writesame
.data_length
;
4076 write_op
.op
.op
= CEPH_OSD_OP_WRITE
;
4077 write_op
.op
.extent
.offset
= op
.writesame
.offset
;
4078 write_op
.op
.extent
.length
= op
.writesame
.length
;
4079 result
= do_osd_ops(ctx
, write_ops
);
4081 derr
<< "do_writesame do_osd_ops failed " << result
<< dendl
;
4086 // ========================================================================
4087 // low level osd ops
4089 int PrimaryLogPG::do_tmap2omap(OpContext
*ctx
, unsigned flags
)
4091 dout(20) << " convert tmap to omap for " << ctx
->new_obs
.oi
.soid
<< dendl
;
4092 bufferlist header
, vals
;
4093 int r
= _get_tmap(ctx
, &header
, &vals
);
4095 if (r
== -ENODATA
&& (flags
& CEPH_OSD_TMAP2OMAP_NULLOK
))
4100 vector
<OSDOp
> ops(3);
4102 ops
[0].op
.op
= CEPH_OSD_OP_TRUNCATE
;
4103 ops
[0].op
.extent
.offset
= 0;
4104 ops
[0].op
.extent
.length
= 0;
4106 ops
[1].op
.op
= CEPH_OSD_OP_OMAPSETHEADER
;
4107 ops
[1].indata
.claim(header
);
4109 ops
[2].op
.op
= CEPH_OSD_OP_OMAPSETVALS
;
4110 ops
[2].indata
.claim(vals
);
4112 return do_osd_ops(ctx
, ops
);
4115 int PrimaryLogPG::do_tmapup_slow(OpContext
*ctx
, bufferlist::iterator
& bp
, OSDOp
& osd_op
,
4120 map
<string
, bufferlist
> m
;
4122 bufferlist::iterator p
= bl
.begin();
4123 ::decode(header
, p
);
4135 case CEPH_OSD_TMAP_SET
: // insert key
4143 case CEPH_OSD_TMAP_RM
: // remove key
4145 if (!m
.count(key
)) {
4150 case CEPH_OSD_TMAP_RMSLOPPY
: // remove key
4154 case CEPH_OSD_TMAP_HDR
: // update header
4156 ::decode(header
, bp
);
4166 ::encode(header
, obl
);
4170 vector
<OSDOp
> nops(1);
4171 OSDOp
& newop
= nops
[0];
4172 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
4173 newop
.op
.extent
.offset
= 0;
4174 newop
.op
.extent
.length
= obl
.length();
4176 do_osd_ops(ctx
, nops
);
4177 osd_op
.outdata
.claim(newop
.outdata
);
4181 int PrimaryLogPG::do_tmapup(OpContext
*ctx
, bufferlist::iterator
& bp
, OSDOp
& osd_op
)
4183 bufferlist::iterator orig_bp
= bp
;
4186 dout(10) << "tmapup is a no-op" << dendl
;
4188 // read the whole object
4189 vector
<OSDOp
> nops(1);
4190 OSDOp
& newop
= nops
[0];
4191 newop
.op
.op
= CEPH_OSD_OP_READ
;
4192 newop
.op
.extent
.offset
= 0;
4193 newop
.op
.extent
.length
= 0;
4194 result
= do_osd_ops(ctx
, nops
);
4196 dout(10) << "tmapup read " << newop
.outdata
.length() << dendl
;
4198 dout(30) << " starting is \n";
4199 newop
.outdata
.hexdump(*_dout
);
4202 bufferlist::iterator ip
= newop
.outdata
.begin();
4205 dout(30) << "the update command is: \n";
4206 osd_op
.indata
.hexdump(*_dout
);
4212 if (newop
.outdata
.length()) {
4213 ::decode(header
, ip
);
4214 ::decode(nkeys
, ip
);
4216 dout(10) << "tmapup header " << header
.length() << dendl
;
4218 if (!bp
.end() && *bp
== CEPH_OSD_TMAP_HDR
) {
4220 ::decode(header
, bp
);
4221 dout(10) << "tmapup new header " << header
.length() << dendl
;
4224 ::encode(header
, obl
);
4226 dout(20) << "tmapup initial nkeys " << nkeys
<< dendl
;
4229 bufferlist newkeydata
;
4230 string nextkey
, last_in_key
;
4232 bool have_next
= false;
4235 ::decode(nextkey
, ip
);
4236 ::decode(nextval
, ip
);
4238 while (!bp
.end() && !result
) {
4245 catch (buffer::error
& e
) {
4248 if (key
< last_in_key
) {
4249 dout(5) << "tmapup warning: key '" << key
<< "' < previous key '" << last_in_key
4250 << "', falling back to an inefficient (unsorted) update" << dendl
;
4252 return do_tmapup_slow(ctx
, bp
, osd_op
, newop
.outdata
);
4256 dout(10) << "tmapup op " << (int)op
<< " key " << key
<< dendl
;
4258 // skip existing intervening keys
4259 bool key_exists
= false;
4260 while (have_next
&& !key_exists
) {
4261 dout(20) << " (have_next=" << have_next
<< " nextkey=" << nextkey
<< ")" << dendl
;
4264 if (nextkey
< key
) {
4266 ::encode(nextkey
, newkeydata
);
4267 ::encode(nextval
, newkeydata
);
4268 dout(20) << " keep " << nextkey
<< " " << nextval
.length() << dendl
;
4270 // don't copy; discard old value. and stop.
4271 dout(20) << " drop " << nextkey
<< " " << nextval
.length() << dendl
;
4276 ::decode(nextkey
, ip
);
4277 ::decode(nextval
, ip
);
4283 if (op
== CEPH_OSD_TMAP_SET
) {
4288 catch (buffer::error
& e
) {
4291 ::encode(key
, newkeydata
);
4292 ::encode(val
, newkeydata
);
4293 dout(20) << " set " << key
<< " " << val
.length() << dendl
;
4295 } else if (op
== CEPH_OSD_TMAP_CREATE
) {
4303 catch (buffer::error
& e
) {
4306 ::encode(key
, newkeydata
);
4307 ::encode(val
, newkeydata
);
4308 dout(20) << " create " << key
<< " " << val
.length() << dendl
;
4310 } else if (op
== CEPH_OSD_TMAP_RM
) {
4315 } else if (op
== CEPH_OSD_TMAP_RMSLOPPY
) {
4318 dout(10) << " invalid tmap op " << (int)op
<< dendl
;
4325 ::encode(nextkey
, newkeydata
);
4326 ::encode(nextval
, newkeydata
);
4327 dout(20) << " keep " << nextkey
<< " " << nextval
.length() << dendl
;
4331 rest
.substr_of(newop
.outdata
, ip
.get_off(), newop
.outdata
.length() - ip
.get_off());
4332 dout(20) << " keep trailing " << rest
.length()
4333 << " at " << newkeydata
.length() << dendl
;
4334 newkeydata
.claim_append(rest
);
4337 // encode final key count + key data
4338 dout(20) << "tmapup final nkeys " << nkeys
<< dendl
;
4339 ::encode(nkeys
, obl
);
4340 obl
.claim_append(newkeydata
);
4343 dout(30) << " final is \n";
4344 obl
.hexdump(*_dout
);
4348 bufferlist::iterator tp
= obl
.begin();
4351 map
<string
,bufferlist
> d
;
4354 dout(0) << " **** debug sanity check, looks ok ****" << dendl
;
4359 dout(20) << "tmapput write " << obl
.length() << dendl
;
4360 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
4361 newop
.op
.extent
.offset
= 0;
4362 newop
.op
.extent
.length
= obl
.length();
4364 do_osd_ops(ctx
, nops
);
4365 osd_op
.outdata
.claim(newop
.outdata
);
4371 static int check_offset_and_length(uint64_t offset
, uint64_t length
, uint64_t max
)
4373 if (offset
>= max
||
4375 offset
+ length
> max
)
4381 struct FillInVerifyExtent
: public Context
{
4384 bufferlist
*outdatap
;
4385 boost::optional
<uint32_t> maybe_crc
;
4390 FillInVerifyExtent(ceph_le64
*r
, int32_t *rv
, bufferlist
*blp
,
4391 boost::optional
<uint32_t> mc
, uint64_t size
,
4392 OSDService
*osd
, hobject_t soid
, __le32 flags
) :
4393 r(r
), rval(rv
), outdatap(blp
), maybe_crc(mc
),
4394 size(size
), osd(osd
), soid(soid
), flags(flags
) {}
4395 void finish(int len
) override
{
4403 // whole object? can we verify the checksum?
4404 if (maybe_crc
&& *r
== size
) {
4405 uint32_t crc
= outdatap
->crc32c(-1);
4406 if (maybe_crc
!= crc
) {
4407 osd
->clog
->error() << std::hex
<< " full-object read crc 0x" << crc
4408 << " != expected 0x" << *maybe_crc
4409 << std::dec
<< " on " << soid
;
4410 if (!(flags
& CEPH_OSD_OP_FLAG_FAILOK
)) {
4419 struct ToSparseReadResult
: public Context
{
4421 bufferlist
* data_bl
;
4422 uint64_t data_offset
;
4424 ToSparseReadResult(int* result
, bufferlist
* bl
, uint64_t offset
,
4426 : result(result
), data_bl(bl
), data_offset(offset
),len(len
) {}
4427 void finish(int r
) override
{
4435 map
<uint64_t, uint64_t> extents
= {{data_offset
, r
}};
4436 ::encode(extents
, outdata
);
4437 ::encode_destructively(*data_bl
, outdata
);
4438 data_bl
->swap(outdata
);
4442 template<typename V
>
4443 static string
list_keys(const map
<string
, V
>& m
) {
4445 for (typename map
<string
, V
>::const_iterator itr
= m
.begin(); itr
!= m
.end(); ++itr
) {
4449 s
.append(itr
->first
);
4454 template<typename T
>
4455 static string
list_entries(const T
& m
) {
4457 for (typename
T::const_iterator itr
= m
.begin(); itr
!= m
.end(); ++itr
) {
4466 void PrimaryLogPG::maybe_create_new_object(
4468 bool ignore_transaction
)
4470 ObjectState
& obs
= ctx
->new_obs
;
4472 ctx
->delta_stats
.num_objects
++;
4474 assert(!obs
.oi
.is_whiteout());
4475 obs
.oi
.new_object();
4476 if (!ignore_transaction
)
4477 ctx
->op_t
->create(obs
.oi
.soid
);
4478 } else if (obs
.oi
.is_whiteout()) {
4479 dout(10) << __func__
<< " clearing whiteout on " << obs
.oi
.soid
<< dendl
;
4480 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
4481 --ctx
->delta_stats
.num_whiteouts
;
4485 struct ReadFinisher
: public PrimaryLogPG::OpFinisher
{
4488 ReadFinisher(OSDOp
& osd_op
) : osd_op(osd_op
) {
4491 int execute() override
{
4496 struct C_ChecksumRead
: public Context
{
4497 PrimaryLogPG
*primary_log_pg
;
4499 Checksummer::CSumType csum_type
;
4500 bufferlist init_value_bl
;
4501 ceph_le64 read_length
;
4503 Context
*fill_extent_ctx
;
4505 C_ChecksumRead(PrimaryLogPG
*primary_log_pg
, OSDOp
&osd_op
,
4506 Checksummer::CSumType csum_type
, bufferlist
&&init_value_bl
,
4507 boost::optional
<uint32_t> maybe_crc
, uint64_t size
,
4508 OSDService
*osd
, hobject_t soid
, __le32 flags
)
4509 : primary_log_pg(primary_log_pg
), osd_op(osd_op
),
4510 csum_type(csum_type
), init_value_bl(std::move(init_value_bl
)),
4511 fill_extent_ctx(new FillInVerifyExtent(&read_length
, &osd_op
.rval
,
4512 &read_bl
, maybe_crc
, size
,
4513 osd
, soid
, flags
)) {
4515 ~C_ChecksumRead() override
{
4516 delete fill_extent_ctx
;
4519 void finish(int r
) override
{
4520 fill_extent_ctx
->complete(r
);
4521 fill_extent_ctx
= nullptr;
4523 if (osd_op
.rval
>= 0) {
4524 bufferlist::iterator init_value_bl_it
= init_value_bl
.begin();
4525 osd_op
.rval
= primary_log_pg
->finish_checksum(osd_op
, csum_type
,
4526 &init_value_bl_it
, read_bl
);
4531 int PrimaryLogPG::do_checksum(OpContext
*ctx
, OSDOp
& osd_op
,
4532 bufferlist::iterator
*bl_it
)
4534 dout(20) << __func__
<< dendl
;
4536 auto& op
= osd_op
.op
;
4537 if (op
.checksum
.chunk_size
> 0) {
4538 if (op
.checksum
.length
== 0) {
4539 dout(10) << __func__
<< ": length required when chunk size provided"
4543 if (op
.checksum
.length
% op
.checksum
.chunk_size
!= 0) {
4544 dout(10) << __func__
<< ": length not aligned to chunk size" << dendl
;
4549 auto& oi
= ctx
->new_obs
.oi
;
4550 if (op
.checksum
.offset
== 0 && op
.checksum
.length
== 0) {
4551 // zeroed offset+length implies checksum whole object
4552 op
.checksum
.length
= oi
.size
;
4553 } else if (op
.checksum
.offset
+ op
.checksum
.length
> oi
.size
) {
4557 Checksummer::CSumType csum_type
;
4558 switch (op
.checksum
.type
) {
4559 case CEPH_OSD_CHECKSUM_OP_TYPE_XXHASH32
:
4560 csum_type
= Checksummer::CSUM_XXHASH32
;
4562 case CEPH_OSD_CHECKSUM_OP_TYPE_XXHASH64
:
4563 csum_type
= Checksummer::CSUM_XXHASH64
;
4565 case CEPH_OSD_CHECKSUM_OP_TYPE_CRC32C
:
4566 csum_type
= Checksummer::CSUM_CRC32C
;
4569 dout(10) << __func__
<< ": unknown crc type ("
4570 << static_cast<uint32_t>(op
.checksum
.type
) << ")" << dendl
;
4574 size_t csum_init_value_size
= Checksummer::get_csum_init_value_size(csum_type
);
4575 if (bl_it
->get_remaining() < csum_init_value_size
) {
4576 dout(10) << __func__
<< ": init value not provided" << dendl
;
4580 bufferlist init_value_bl
;
4581 init_value_bl
.substr_of(bl_it
->get_bl(), bl_it
->get_off(),
4582 csum_init_value_size
);
4583 bl_it
->advance(csum_init_value_size
);
4585 if (pool
.info
.require_rollback() && op
.checksum
.length
> 0) {
4586 // If there is a data digest and it is possible we are reading
4587 // entire object, pass the digest.
4588 boost::optional
<uint32_t> maybe_crc
;
4589 if (oi
.is_data_digest() && op
.checksum
.offset
== 0 &&
4590 op
.checksum
.length
>= oi
.size
) {
4591 maybe_crc
= oi
.data_digest
;
4595 auto& soid
= oi
.soid
;
4596 auto checksum_ctx
= new C_ChecksumRead(this, osd_op
, csum_type
,
4597 std::move(init_value_bl
), maybe_crc
,
4598 oi
.size
, osd
, soid
, op
.flags
);
4600 ctx
->pending_async_reads
.push_back({
4601 {op
.checksum
.offset
, op
.checksum
.length
, op
.flags
},
4602 {&checksum_ctx
->read_bl
, checksum_ctx
}});
4604 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
4605 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4606 new ReadFinisher(osd_op
));
4607 return -EINPROGRESS
;
4611 std::vector
<OSDOp
> read_ops(1);
4612 auto& read_op
= read_ops
[0];
4613 if (op
.checksum
.length
> 0) {
4614 read_op
.op
.op
= CEPH_OSD_OP_READ
;
4615 read_op
.op
.flags
= op
.flags
;
4616 read_op
.op
.extent
.offset
= op
.checksum
.offset
;
4617 read_op
.op
.extent
.length
= op
.checksum
.length
;
4618 read_op
.op
.extent
.truncate_size
= 0;
4619 read_op
.op
.extent
.truncate_seq
= 0;
4621 int r
= do_osd_ops(ctx
, read_ops
);
4623 derr
<< __func__
<< ": do_osd_ops failed: " << cpp_strerror(r
) << dendl
;
4628 bufferlist::iterator init_value_bl_it
= init_value_bl
.begin();
4629 return finish_checksum(osd_op
, csum_type
, &init_value_bl_it
,
4633 int PrimaryLogPG::finish_checksum(OSDOp
& osd_op
,
4634 Checksummer::CSumType csum_type
,
4635 bufferlist::iterator
*init_value_bl_it
,
4636 const bufferlist
&read_bl
) {
4637 dout(20) << __func__
<< dendl
;
4639 auto& op
= osd_op
.op
;
4641 if (op
.checksum
.length
> 0 && read_bl
.length() != op
.checksum
.length
) {
4642 derr
<< __func__
<< ": bytes read " << read_bl
.length() << " != "
4643 << op
.checksum
.length
<< dendl
;
4647 size_t csum_chunk_size
= (op
.checksum
.chunk_size
!= 0 ?
4648 op
.checksum
.chunk_size
: read_bl
.length());
4649 uint32_t csum_count
= (csum_chunk_size
> 0 ?
4650 read_bl
.length() / csum_chunk_size
: 0);
4653 bufferptr csum_data
;
4654 if (csum_count
> 0) {
4655 size_t csum_value_size
= Checksummer::get_csum_value_size(csum_type
);
4656 csum_data
= buffer::create(csum_value_size
* csum_count
);
4658 csum
.append(csum_data
);
4660 switch (csum_type
) {
4661 case Checksummer::CSUM_XXHASH32
:
4663 Checksummer::xxhash32::init_value_t init_value
;
4664 ::decode(init_value
, *init_value_bl_it
);
4665 Checksummer::calculate
<Checksummer::xxhash32
>(
4666 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4670 case Checksummer::CSUM_XXHASH64
:
4672 Checksummer::xxhash64::init_value_t init_value
;
4673 ::decode(init_value
, *init_value_bl_it
);
4674 Checksummer::calculate
<Checksummer::xxhash64
>(
4675 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4679 case Checksummer::CSUM_CRC32C
:
4681 Checksummer::crc32c::init_value_t init_value
;
4682 ::decode(init_value
, *init_value_bl_it
);
4683 Checksummer::calculate
<Checksummer::crc32c
>(
4684 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4693 ::encode(csum_count
, osd_op
.outdata
);
4694 osd_op
.outdata
.claim_append(csum
);
4698 struct C_ExtentCmpRead
: public Context
{
4699 PrimaryLogPG
*primary_log_pg
;
4701 ceph_le64 read_length
;
4703 Context
*fill_extent_ctx
;
4705 C_ExtentCmpRead(PrimaryLogPG
*primary_log_pg
, OSDOp
&osd_op
,
4706 boost::optional
<uint32_t> maybe_crc
, uint64_t size
,
4707 OSDService
*osd
, hobject_t soid
, __le32 flags
)
4708 : primary_log_pg(primary_log_pg
), osd_op(osd_op
),
4709 fill_extent_ctx(new FillInVerifyExtent(&read_length
, &osd_op
.rval
,
4710 &read_bl
, maybe_crc
, size
,
4711 osd
, soid
, flags
)) {
4713 ~C_ExtentCmpRead() override
{
4714 delete fill_extent_ctx
;
4717 void finish(int r
) override
{
4721 delete fill_extent_ctx
;
4723 fill_extent_ctx
->complete(r
);
4725 fill_extent_ctx
= nullptr;
4727 if (osd_op
.rval
>= 0) {
4728 osd_op
.rval
= primary_log_pg
->finish_extent_cmp(osd_op
, read_bl
);
4733 int PrimaryLogPG::do_extent_cmp(OpContext
*ctx
, OSDOp
& osd_op
)
4735 dout(20) << __func__
<< dendl
;
4736 ceph_osd_op
& op
= osd_op
.op
;
4738 auto& oi
= ctx
->new_obs
.oi
;
4739 uint64_t size
= oi
.size
;
4740 if ((oi
.truncate_seq
< op
.extent
.truncate_seq
) &&
4741 (op
.extent
.offset
+ op
.extent
.length
> op
.extent
.truncate_size
)) {
4742 size
= op
.extent
.truncate_size
;
4745 if (op
.extent
.offset
>= size
) {
4746 op
.extent
.length
= 0;
4747 } else if (op
.extent
.offset
+ op
.extent
.length
> size
) {
4748 op
.extent
.length
= size
- op
.extent
.offset
;
4751 if (op
.extent
.length
== 0) {
4752 dout(20) << __func__
<< " zero length extent" << dendl
;
4753 return finish_extent_cmp(osd_op
, bufferlist
{});
4754 } else if (!ctx
->obs
->exists
|| ctx
->obs
->oi
.is_whiteout()) {
4755 dout(20) << __func__
<< " object DNE" << dendl
;
4756 return finish_extent_cmp(osd_op
, {});
4757 } else if (pool
.info
.require_rollback()) {
4758 // If there is a data digest and it is possible we are reading
4759 // entire object, pass the digest.
4760 boost::optional
<uint32_t> maybe_crc
;
4761 if (oi
.is_data_digest() && op
.checksum
.offset
== 0 &&
4762 op
.checksum
.length
>= oi
.size
) {
4763 maybe_crc
= oi
.data_digest
;
4767 auto& soid
= oi
.soid
;
4768 auto extent_cmp_ctx
= new C_ExtentCmpRead(this, osd_op
, maybe_crc
, oi
.size
,
4769 osd
, soid
, op
.flags
);
4770 ctx
->pending_async_reads
.push_back({
4771 {op
.extent
.offset
, op
.extent
.length
, op
.flags
},
4772 {&extent_cmp_ctx
->read_bl
, extent_cmp_ctx
}});
4774 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
4776 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4777 new ReadFinisher(osd_op
));
4778 return -EINPROGRESS
;
4782 vector
<OSDOp
> read_ops(1);
4783 OSDOp
& read_op
= read_ops
[0];
4785 read_op
.op
.op
= CEPH_OSD_OP_SYNC_READ
;
4786 read_op
.op
.extent
.offset
= op
.extent
.offset
;
4787 read_op
.op
.extent
.length
= op
.extent
.length
;
4788 read_op
.op
.extent
.truncate_seq
= op
.extent
.truncate_seq
;
4789 read_op
.op
.extent
.truncate_size
= op
.extent
.truncate_size
;
4791 int result
= do_osd_ops(ctx
, read_ops
);
4793 derr
<< __func__
<< " failed " << result
<< dendl
;
4796 return finish_extent_cmp(osd_op
, read_op
.outdata
);
4799 int PrimaryLogPG::finish_extent_cmp(OSDOp
& osd_op
, const bufferlist
&read_bl
)
4801 for (uint64_t idx
= 0; idx
< osd_op
.indata
.length(); ++idx
) {
4802 char read_byte
= (idx
< read_bl
.length() ? read_bl
[idx
] : 0);
4803 if (osd_op
.indata
[idx
] != read_byte
) {
4804 return (-MAX_ERRNO
- idx
);
4811 int PrimaryLogPG::do_read(OpContext
*ctx
, OSDOp
& osd_op
) {
4812 dout(20) << __func__
<< dendl
;
4813 auto& op
= osd_op
.op
;
4814 auto& oi
= ctx
->new_obs
.oi
;
4815 auto& soid
= oi
.soid
;
4816 __u32 seq
= oi
.truncate_seq
;
4817 uint64_t size
= oi
.size
;
4818 bool trimmed_read
= false;
4820 // are we beyond truncate_size?
4821 if ( (seq
< op
.extent
.truncate_seq
) &&
4822 (op
.extent
.offset
+ op
.extent
.length
> op
.extent
.truncate_size
) )
4823 size
= op
.extent
.truncate_size
;
4825 if (op
.extent
.length
== 0) //length is zero mean read the whole object
4826 op
.extent
.length
= size
;
4828 if (op
.extent
.offset
>= size
) {
4829 op
.extent
.length
= 0;
4830 trimmed_read
= true;
4831 } else if (op
.extent
.offset
+ op
.extent
.length
> size
) {
4832 op
.extent
.length
= size
- op
.extent
.offset
;
4833 trimmed_read
= true;
4836 // read into a buffer
4838 if (trimmed_read
&& op
.extent
.length
== 0) {
4839 // read size was trimmed to zero and it is expected to do nothing
4840 // a read operation of 0 bytes does *not* do nothing, this is why
4841 // the trimmed_read boolean is needed
4842 } else if (pool
.info
.require_rollback()) {
4843 boost::optional
<uint32_t> maybe_crc
;
4844 // If there is a data digest and it is possible we are reading
4845 // entire object, pass the digest. FillInVerifyExtent will
4846 // will check the oi.size again.
4847 if (oi
.is_data_digest() && op
.extent
.offset
== 0 &&
4848 op
.extent
.length
>= oi
.size
)
4849 maybe_crc
= oi
.data_digest
;
4850 ctx
->pending_async_reads
.push_back(
4852 boost::make_tuple(op
.extent
.offset
, op
.extent
.length
, op
.flags
),
4853 make_pair(&osd_op
.outdata
,
4854 new FillInVerifyExtent(&op
.extent
.length
, &osd_op
.rval
,
4855 &osd_op
.outdata
, maybe_crc
, oi
.size
,
4856 osd
, soid
, op
.flags
))));
4857 dout(10) << " async_read noted for " << soid
<< dendl
;
4859 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4860 new ReadFinisher(osd_op
));
4862 int r
= pgbackend
->objects_read_sync(
4863 soid
, op
.extent
.offset
, op
.extent
.length
, op
.flags
, &osd_op
.outdata
);
4865 r
= rep_repair_primary_object(soid
, ctx
->op
);
4868 op
.extent
.length
= r
;
4871 op
.extent
.length
= 0;
4873 dout(10) << " read got " << r
<< " / " << op
.extent
.length
4874 << " bytes from obj " << soid
<< dendl
;
4876 // whole object? can we verify the checksum?
4877 if (op
.extent
.length
== oi
.size
&& oi
.is_data_digest()) {
4878 uint32_t crc
= osd_op
.outdata
.crc32c(-1);
4879 if (oi
.data_digest
!= crc
) {
4880 osd
->clog
->error() << info
.pgid
<< std::hex
4881 << " full-object read crc 0x" << crc
4882 << " != expected 0x" << oi
.data_digest
4883 << std::dec
<< " on " << soid
;
4884 // FIXME fall back to replica or something?
4890 // XXX the op.extent.length is the requested length for async read
4891 // On error this length is changed to 0 after the error comes back.
4892 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(op
.extent
.length
, 10);
4893 ctx
->delta_stats
.num_rd
++;
4897 int PrimaryLogPG::do_sparse_read(OpContext
*ctx
, OSDOp
& osd_op
) {
4898 dout(20) << __func__
<< dendl
;
4899 auto& op
= osd_op
.op
;
4900 auto& oi
= ctx
->new_obs
.oi
;
4901 auto& soid
= oi
.soid
;
4903 if (op
.extent
.truncate_seq
) {
4904 dout(0) << "sparse_read does not support truncation sequence " << dendl
;
4909 if (pool
.info
.ec_pool()) {
4910 // translate sparse read to a normal one if not supported
4911 uint64_t offset
= op
.extent
.offset
;
4912 uint64_t length
= op
.extent
.length
;
4913 if (offset
> oi
.size
) {
4915 } else if (offset
+ length
> oi
.size
) {
4916 length
= oi
.size
- offset
;
4920 ctx
->pending_async_reads
.push_back(
4922 boost::make_tuple(offset
, length
, op
.flags
),
4925 new ToSparseReadResult(&osd_op
.rval
, &osd_op
.outdata
, offset
,
4926 &op
.extent
.length
))));
4927 dout(10) << " async_read (was sparse_read) noted for " << soid
<< dendl
;
4929 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
4930 new ReadFinisher(osd_op
));
4932 dout(10) << " sparse read ended up empty for " << soid
<< dendl
;
4933 map
<uint64_t, uint64_t> extents
;
4934 ::encode(extents
, osd_op
.outdata
);
4937 // read into a buffer
4938 map
<uint64_t, uint64_t> m
;
4939 uint32_t total_read
= 0;
4940 int r
= osd
->store
->fiemap(ch
, ghobject_t(soid
, ghobject_t::NO_GEN
,
4942 op
.extent
.offset
, op
.extent
.length
, m
);
4947 map
<uint64_t, uint64_t>::iterator miter
;
4949 uint64_t last
= op
.extent
.offset
;
4950 for (miter
= m
.begin(); miter
!= m
.end(); ++miter
) {
4952 if (cct
->_conf
->osd_verify_sparse_read_holes
&&
4953 last
< miter
->first
) {
4955 uint64_t len
= miter
->first
- last
;
4956 r
= pgbackend
->objects_read_sync(soid
, last
, len
, op
.flags
, &t
);
4958 osd
->clog
->error() << coll
<< " " << soid
4959 << " sparse-read failed to read: "
4961 } else if (!t
.is_zero()) {
4962 osd
->clog
->error() << coll
<< " " << soid
4963 << " sparse-read found data in hole "
4964 << last
<< "~" << len
;
4969 r
= pgbackend
->objects_read_sync(soid
, miter
->first
, miter
->second
,
4972 r
= rep_repair_primary_object(soid
, ctx
->op
);
4978 // this is usually happen when we get extent that exceeds the actual file
4980 if (r
< (int)miter
->second
)
4983 dout(10) << "sparse-read " << miter
->first
<< "@" << miter
->second
4985 data_bl
.claim_append(tmpbl
);
4986 last
= miter
->first
+ r
;
4993 // verify trailing hole?
4994 if (cct
->_conf
->osd_verify_sparse_read_holes
) {
4995 uint64_t end
= MIN(op
.extent
.offset
+ op
.extent
.length
, oi
.size
);
4998 uint64_t len
= end
- last
;
4999 r
= pgbackend
->objects_read_sync(soid
, last
, len
, op
.flags
, &t
);
5001 osd
->clog
->error() << coll
<< " " << soid
5002 << " sparse-read failed to read: " << r
;
5003 } else if (!t
.is_zero()) {
5004 osd
->clog
->error() << coll
<< " " << soid
5005 << " sparse-read found data in hole "
5006 << last
<< "~" << len
;
5011 // Why SPARSE_READ need checksum? In fact, librbd always use sparse-read.
5012 // Maybe at first, there is no much whole objects. With continued use, more
5013 // and more whole object exist. So from this point, for spare-read add
5014 // checksum make sense.
5015 if (total_read
== oi
.size
&& oi
.is_data_digest()) {
5016 uint32_t crc
= data_bl
.crc32c(-1);
5017 if (oi
.data_digest
!= crc
) {
5018 osd
->clog
->error() << info
.pgid
<< std::hex
5019 << " full-object read crc 0x" << crc
5020 << " != expected 0x" << oi
.data_digest
5021 << std::dec
<< " on " << soid
;
5022 // FIXME fall back to replica or something?
5027 op
.extent
.length
= total_read
;
5029 ::encode(m
, osd_op
.outdata
); // re-encode since it might be modified
5030 ::encode_destructively(data_bl
, osd_op
.outdata
);
5032 dout(10) << " sparse_read got " << total_read
<< " bytes from object "
5036 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(op
.extent
.length
, 10);
5037 ctx
->delta_stats
.num_rd
++;
5041 int PrimaryLogPG::do_osd_ops(OpContext
*ctx
, vector
<OSDOp
>& ops
)
5044 SnapSetContext
*ssc
= ctx
->obc
->ssc
;
5045 ObjectState
& obs
= ctx
->new_obs
;
5046 object_info_t
& oi
= obs
.oi
;
5047 const hobject_t
& soid
= oi
.soid
;
5049 PGTransaction
* t
= ctx
->op_t
.get();
5051 dout(10) << "do_osd_op " << soid
<< " " << ops
<< dendl
;
5053 ctx
->current_osd_subop_num
= 0;
5054 for (auto p
= ops
.begin(); p
!= ops
.end(); ++p
, ctx
->current_osd_subop_num
++, ctx
->processed_subop_count
++) {
5056 ceph_osd_op
& op
= osd_op
.op
;
5058 OpFinisher
* op_finisher
= nullptr;
5060 auto op_finisher_it
= ctx
->op_finishers
.find(ctx
->current_osd_subop_num
);
5061 if (op_finisher_it
!= ctx
->op_finishers
.end()) {
5062 op_finisher
= op_finisher_it
->second
.get();
5066 // TODO: check endianness (__le32 vs uint32_t, etc.)
5067 // The fields in ceph_osd_op are little-endian (according to the definition in rados.h),
5068 // but the code in this function seems to treat them as native-endian. What should the
5070 tracepoint(osd
, do_osd_op_pre
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
), op
.flags
);
5072 dout(10) << "do_osd_op " << osd_op
<< dendl
;
5074 bufferlist::iterator bp
= osd_op
.indata
.begin();
5076 // user-visible modifcation?
5078 // non user-visible modifications
5079 case CEPH_OSD_OP_WATCH
:
5080 case CEPH_OSD_OP_CACHE_EVICT
:
5081 case CEPH_OSD_OP_CACHE_FLUSH
:
5082 case CEPH_OSD_OP_CACHE_TRY_FLUSH
:
5083 case CEPH_OSD_OP_UNDIRTY
:
5084 case CEPH_OSD_OP_COPY_FROM
: // we handle user_version update explicitly
5085 case CEPH_OSD_OP_CACHE_PIN
:
5086 case CEPH_OSD_OP_CACHE_UNPIN
:
5087 case CEPH_OSD_OP_SET_REDIRECT
:
5090 if (op
.op
& CEPH_OSD_OP_MODE_WR
)
5091 ctx
->user_modify
= true;
5094 // munge -1 truncate to 0 truncate
5095 if (ceph_osd_op_uses_extent(op
.op
) &&
5096 op
.extent
.truncate_seq
== 1 &&
5097 op
.extent
.truncate_size
== (-1ULL)) {
5098 op
.extent
.truncate_size
= 0;
5099 op
.extent
.truncate_seq
= 0;
5102 // munge ZERO -> TRUNCATE? (don't munge to DELETE or we risk hosing attributes)
5103 if (op
.op
== CEPH_OSD_OP_ZERO
&&
5105 op
.extent
.offset
< cct
->_conf
->osd_max_object_size
&&
5106 op
.extent
.length
>= 1 &&
5107 op
.extent
.length
<= cct
->_conf
->osd_max_object_size
&&
5108 op
.extent
.offset
+ op
.extent
.length
>= oi
.size
) {
5109 if (op
.extent
.offset
>= oi
.size
) {
5113 dout(10) << " munging ZERO " << op
.extent
.offset
<< "~" << op
.extent
.length
5114 << " -> TRUNCATE " << op
.extent
.offset
<< " (old size is " << oi
.size
<< ")" << dendl
;
5115 op
.op
= CEPH_OSD_OP_TRUNCATE
;
5122 case CEPH_OSD_OP_CMPEXT
:
5124 tracepoint(osd
, do_osd_op_pre_extent_cmp
, soid
.oid
.name
.c_str(),
5125 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
,
5126 op
.extent
.length
, op
.extent
.truncate_size
,
5127 op
.extent
.truncate_seq
);
5129 if (op_finisher
== nullptr) {
5130 result
= do_extent_cmp(ctx
, osd_op
);
5132 result
= op_finisher
->execute();
5136 case CEPH_OSD_OP_SYNC_READ
:
5137 if (pool
.info
.require_rollback()) {
5138 result
= -EOPNOTSUPP
;
5142 case CEPH_OSD_OP_READ
:
5144 tracepoint(osd
, do_osd_op_pre_read
, soid
.oid
.name
.c_str(),
5145 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
,
5146 op
.extent
.length
, op
.extent
.truncate_size
,
5147 op
.extent
.truncate_seq
);
5148 if (op_finisher
== nullptr) {
5149 if (!ctx
->data_off
) {
5150 ctx
->data_off
= op
.extent
.offset
;
5152 result
= do_read(ctx
, osd_op
);
5154 result
= op_finisher
->execute();
5158 case CEPH_OSD_OP_CHECKSUM
:
5161 tracepoint(osd
, do_osd_op_pre_checksum
, soid
.oid
.name
.c_str(),
5162 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.checksum
.type
,
5163 op
.checksum
.offset
, op
.checksum
.length
,
5164 op
.checksum
.chunk_size
);
5166 if (op_finisher
== nullptr) {
5167 result
= do_checksum(ctx
, osd_op
, &bp
);
5169 result
= op_finisher
->execute();
5175 case CEPH_OSD_OP_MAPEXT
:
5176 tracepoint(osd
, do_osd_op_pre_mapext
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.extent
.offset
, op
.extent
.length
);
5177 if (pool
.info
.require_rollback()) {
5178 result
= -EOPNOTSUPP
;
5183 // read into a buffer
5185 int r
= osd
->store
->fiemap(ch
, ghobject_t(soid
, ghobject_t::NO_GEN
,
5187 op
.extent
.offset
, op
.extent
.length
, bl
);
5188 osd_op
.outdata
.claim(bl
);
5192 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(bl
.length(), 10);
5193 ctx
->delta_stats
.num_rd
++;
5194 dout(10) << " map_extents done on object " << soid
<< dendl
;
5199 case CEPH_OSD_OP_SPARSE_READ
:
5200 tracepoint(osd
, do_osd_op_pre_sparse_read
, soid
.oid
.name
.c_str(),
5201 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.extent
.offset
,
5202 op
.extent
.length
, op
.extent
.truncate_size
,
5203 op
.extent
.truncate_seq
);
5204 if (op_finisher
== nullptr) {
5205 result
= do_sparse_read(ctx
, osd_op
);
5207 result
= op_finisher
->execute();
5211 case CEPH_OSD_OP_CALL
:
5213 string cname
, mname
;
5216 bp
.copy(op
.cls
.class_len
, cname
);
5217 bp
.copy(op
.cls
.method_len
, mname
);
5218 bp
.copy(op
.cls
.indata_len
, indata
);
5219 } catch (buffer::error
& e
) {
5220 dout(10) << "call unable to decode class + method + indata" << dendl
;
5221 dout(30) << "in dump: ";
5222 osd_op
.indata
.hexdump(*_dout
);
5225 tracepoint(osd
, do_osd_op_pre_call
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", "???");
5228 tracepoint(osd
, do_osd_op_pre_call
, soid
.oid
.name
.c_str(), soid
.snap
.val
, cname
.c_str(), mname
.c_str());
5230 ClassHandler::ClassData
*cls
;
5231 result
= osd
->class_handler
->open_class(cname
, &cls
);
5232 assert(result
== 0); // init_op_flags() already verified this works.
5234 ClassHandler::ClassMethod
*method
= cls
->get_method(mname
.c_str());
5236 dout(10) << "call method " << cname
<< "." << mname
<< " does not exist" << dendl
;
5237 result
= -EOPNOTSUPP
;
5241 int flags
= method
->get_flags();
5242 if (flags
& CLS_METHOD_WR
)
5243 ctx
->user_modify
= true;
5246 dout(10) << "call method " << cname
<< "." << mname
<< dendl
;
5247 int prev_rd
= ctx
->num_read
;
5248 int prev_wr
= ctx
->num_write
;
5249 result
= method
->exec((cls_method_context_t
)&ctx
, indata
, outdata
);
5251 if (ctx
->num_read
> prev_rd
&& !(flags
& CLS_METHOD_RD
)) {
5252 derr
<< "method " << cname
<< "." << mname
<< " tried to read object but is not marked RD" << dendl
;
5256 if (ctx
->num_write
> prev_wr
&& !(flags
& CLS_METHOD_WR
)) {
5257 derr
<< "method " << cname
<< "." << mname
<< " tried to update object but is not marked WR" << dendl
;
5262 dout(10) << "method called response length=" << outdata
.length() << dendl
;
5263 op
.extent
.length
= outdata
.length();
5264 osd_op
.outdata
.claim_append(outdata
);
5265 dout(30) << "out dump: ";
5266 osd_op
.outdata
.hexdump(*_dout
);
5271 case CEPH_OSD_OP_STAT
:
5272 // note: stat does not require RD
5274 tracepoint(osd
, do_osd_op_pre_stat
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5276 if (obs
.exists
&& !oi
.is_whiteout()) {
5277 ::encode(oi
.size
, osd_op
.outdata
);
5278 ::encode(oi
.mtime
, osd_op
.outdata
);
5279 dout(10) << "stat oi has " << oi
.size
<< " " << oi
.mtime
<< dendl
;
5282 dout(10) << "stat oi object does not exist" << dendl
;
5285 ctx
->delta_stats
.num_rd
++;
5289 case CEPH_OSD_OP_ISDIRTY
:
5292 tracepoint(osd
, do_osd_op_pre_isdirty
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5293 bool is_dirty
= obs
.oi
.is_dirty();
5294 ::encode(is_dirty
, osd_op
.outdata
);
5295 ctx
->delta_stats
.num_rd
++;
5300 case CEPH_OSD_OP_UNDIRTY
:
5303 tracepoint(osd
, do_osd_op_pre_undirty
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5304 if (oi
.is_dirty()) {
5305 ctx
->undirty
= true; // see make_writeable()
5307 ctx
->delta_stats
.num_wr
++;
5313 case CEPH_OSD_OP_CACHE_TRY_FLUSH
:
5316 tracepoint(osd
, do_osd_op_pre_try_flush
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5317 if (ctx
->lock_type
!= ObjectContext::RWState::RWNONE
) {
5318 dout(10) << "cache-try-flush without SKIPRWLOCKS flag set" << dendl
;
5322 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5330 if (oi
.is_cache_pinned()) {
5331 dout(10) << "cache-try-flush on a pinned object, consider unpin this object first" << dendl
;
5335 if (oi
.is_dirty()) {
5336 result
= start_flush(ctx
->op
, ctx
->obc
, false, NULL
, boost::none
);
5337 if (result
== -EINPROGRESS
)
5345 case CEPH_OSD_OP_CACHE_FLUSH
:
5348 tracepoint(osd
, do_osd_op_pre_cache_flush
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5349 if (ctx
->lock_type
== ObjectContext::RWState::RWNONE
) {
5350 dout(10) << "cache-flush with SKIPRWLOCKS flag set" << dendl
;
5354 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5362 if (oi
.is_cache_pinned()) {
5363 dout(10) << "cache-flush on a pinned object, consider unpin this object first" << dendl
;
5368 if (oi
.is_dirty()) {
5369 result
= start_flush(ctx
->op
, ctx
->obc
, true, &missing
, boost::none
);
5370 if (result
== -EINPROGRESS
)
5375 // Check special return value which has set missing_return
5376 if (result
== -ENOENT
) {
5377 dout(10) << __func__
<< " CEPH_OSD_OP_CACHE_FLUSH got ENOENT" << dendl
;
5378 assert(!missing
.is_min());
5379 wait_for_unreadable_object(missing
, ctx
->op
);
5380 // Error code which is used elsewhere when wait_for_unreadable_object() is used
5386 case CEPH_OSD_OP_CACHE_EVICT
:
5389 tracepoint(osd
, do_osd_op_pre_cache_evict
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5390 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5398 if (oi
.is_cache_pinned()) {
5399 dout(10) << "cache-evict on a pinned object, consider unpin this object first" << dendl
;
5403 if (oi
.is_dirty()) {
5407 if (!oi
.watchers
.empty()) {
5411 if (soid
.snap
== CEPH_NOSNAP
) {
5412 result
= _verify_no_head_clones(soid
, ssc
->snapset
);
5416 result
= _delete_oid(ctx
, true, false);
5418 // mark that this is a cache eviction to avoid triggering normal
5419 // make_writeable() clone or snapdir object creation in finish_ctx()
5420 ctx
->cache_evict
= true;
5422 osd
->logger
->inc(l_osd_tier_evict
);
5426 case CEPH_OSD_OP_GETXATTR
:
5430 bp
.copy(op
.xattr
.name_len
, aname
);
5431 tracepoint(osd
, do_osd_op_pre_getxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
5432 string name
= "_" + aname
;
5433 int r
= getattr_maybe_cache(
5438 op
.xattr
.value_len
= osd_op
.outdata
.length();
5440 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
5444 ctx
->delta_stats
.num_rd
++;
5448 case CEPH_OSD_OP_GETXATTRS
:
5451 tracepoint(osd
, do_osd_op_pre_getxattrs
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5452 map
<string
, bufferlist
> out
;
5453 result
= getattrs_maybe_cache(
5459 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(bl
.length(), 10);
5460 ctx
->delta_stats
.num_rd
++;
5461 osd_op
.outdata
.claim_append(bl
);
5465 case CEPH_OSD_OP_CMPXATTR
:
5469 bp
.copy(op
.xattr
.name_len
, aname
);
5470 tracepoint(osd
, do_osd_op_pre_cmpxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
5471 string name
= "_" + aname
;
5472 name
[op
.xattr
.name_len
+ 1] = 0;
5475 result
= getattr_maybe_cache(
5479 if (result
< 0 && result
!= -EEXIST
&& result
!= -ENODATA
)
5482 ctx
->delta_stats
.num_rd
++;
5483 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(xattr
.length(), 10);
5485 switch (op
.xattr
.cmp_mode
) {
5486 case CEPH_OSD_CMPXATTR_MODE_STRING
:
5489 bp
.copy(op
.xattr
.value_len
, val
);
5490 val
[op
.xattr
.value_len
] = 0;
5491 dout(10) << "CEPH_OSD_OP_CMPXATTR name=" << name
<< " val=" << val
5492 << " op=" << (int)op
.xattr
.cmp_op
<< " mode=" << (int)op
.xattr
.cmp_mode
<< dendl
;
5493 result
= do_xattr_cmp_str(op
.xattr
.cmp_op
, val
, xattr
);
5497 case CEPH_OSD_CMPXATTR_MODE_U64
:
5501 ::decode(u64val
, bp
);
5503 catch (buffer::error
& e
) {
5507 dout(10) << "CEPH_OSD_OP_CMPXATTR name=" << name
<< " val=" << u64val
5508 << " op=" << (int)op
.xattr
.cmp_op
<< " mode=" << (int)op
.xattr
.cmp_mode
<< dendl
;
5509 result
= do_xattr_cmp_u64(op
.xattr
.cmp_op
, u64val
, xattr
);
5514 dout(10) << "bad cmp mode " << (int)op
.xattr
.cmp_mode
<< dendl
;
5519 dout(10) << "comparison returned false" << dendl
;
5520 result
= -ECANCELED
;
5524 dout(10) << "comparison returned " << result
<< " " << cpp_strerror(-result
) << dendl
;
5528 dout(10) << "comparison returned true" << dendl
;
5532 case CEPH_OSD_OP_ASSERT_VER
:
5535 uint64_t ver
= op
.assert_ver
.ver
;
5536 tracepoint(osd
, do_osd_op_pre_assert_ver
, soid
.oid
.name
.c_str(), soid
.snap
.val
, ver
);
5539 else if (ver
< oi
.user_version
)
5541 else if (ver
> oi
.user_version
)
5542 result
= -EOVERFLOW
;
5546 case CEPH_OSD_OP_LIST_WATCHERS
:
5549 tracepoint(osd
, do_osd_op_pre_list_watchers
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5550 obj_list_watch_response_t resp
;
5552 map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::const_iterator oi_iter
;
5553 for (oi_iter
= oi
.watchers
.begin(); oi_iter
!= oi
.watchers
.end();
5555 dout(20) << "key cookie=" << oi_iter
->first
.first
5556 << " entity=" << oi_iter
->first
.second
<< " "
5557 << oi_iter
->second
<< dendl
;
5558 assert(oi_iter
->first
.first
== oi_iter
->second
.cookie
);
5559 assert(oi_iter
->first
.second
.is_client());
5561 watch_item_t
wi(oi_iter
->first
.second
, oi_iter
->second
.cookie
,
5562 oi_iter
->second
.timeout_seconds
, oi_iter
->second
.addr
);
5563 resp
.entries
.push_back(wi
);
5566 resp
.encode(osd_op
.outdata
, ctx
->get_features());
5569 ctx
->delta_stats
.num_rd
++;
5573 case CEPH_OSD_OP_LIST_SNAPS
:
5576 tracepoint(osd
, do_osd_op_pre_list_snaps
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5577 obj_list_snap_response_t resp
;
5580 ssc
= ctx
->obc
->ssc
= get_snapset_context(soid
, false);
5584 int clonecount
= ssc
->snapset
.clones
.size();
5585 if (ssc
->snapset
.head_exists
)
5587 resp
.clones
.reserve(clonecount
);
5588 for (auto clone_iter
= ssc
->snapset
.clones
.begin();
5589 clone_iter
!= ssc
->snapset
.clones
.end(); ++clone_iter
) {
5591 ci
.cloneid
= *clone_iter
;
5593 hobject_t clone_oid
= soid
;
5594 clone_oid
.snap
= *clone_iter
;
5596 if (!ssc
->snapset
.is_legacy()) {
5597 auto p
= ssc
->snapset
.clone_snaps
.find(*clone_iter
);
5598 if (p
== ssc
->snapset
.clone_snaps
.end()) {
5599 osd
->clog
->error() << "osd." << osd
->whoami
5600 << ": inconsistent clone_snaps found for oid "
5601 << soid
<< " clone " << *clone_iter
5602 << " snapset " << ssc
->snapset
;
5606 for (auto q
= p
->second
.rbegin(); q
!= p
->second
.rend(); ++q
) {
5607 ci
.snaps
.push_back(*q
);
5610 /* No need to take a lock here. We are only inspecting state cached on
5611 * in the ObjectContext, so we aren't performing an actual read unless
5612 * the clone obc is not already loaded (in which case, it cannot have
5613 * an in progress write). We also do not risk exposing uncommitted
5614 * state since we do have a read lock on the head object or snapdir,
5615 * which we would have to write lock in order to make user visible
5616 * modifications to the snapshot state (snap trim related mutations
5617 * are not user visible).
5619 if (is_missing_object(clone_oid
)) {
5620 dout(20) << "LIST_SNAPS " << clone_oid
<< " missing" << dendl
;
5621 wait_for_unreadable_object(clone_oid
, ctx
->op
);
5626 ObjectContextRef clone_obc
= get_object_context(clone_oid
, false);
5628 if (maybe_handle_cache(
5629 ctx
->op
, true, clone_obc
, -ENOENT
, clone_oid
, true)) {
5630 // promoting the clone
5633 osd
->clog
->error() << "osd." << osd
->whoami
5634 << ": missing clone " << clone_oid
5637 // should not happen
5642 for (vector
<snapid_t
>::reverse_iterator p
=
5643 clone_obc
->obs
.oi
.legacy_snaps
.rbegin();
5644 p
!= clone_obc
->obs
.oi
.legacy_snaps
.rend();
5646 ci
.snaps
.push_back(*p
);
5650 dout(20) << " clone " << *clone_iter
<< " snaps " << ci
.snaps
<< dendl
;
5652 map
<snapid_t
, interval_set
<uint64_t> >::const_iterator coi
;
5653 coi
= ssc
->snapset
.clone_overlap
.find(ci
.cloneid
);
5654 if (coi
== ssc
->snapset
.clone_overlap
.end()) {
5655 osd
->clog
->error() << "osd." << osd
->whoami
5656 << ": inconsistent clone_overlap found for oid "
5657 << soid
<< " clone " << *clone_iter
;
5661 const interval_set
<uint64_t> &o
= coi
->second
;
5662 ci
.overlap
.reserve(o
.num_intervals());
5663 for (interval_set
<uint64_t>::const_iterator r
= o
.begin();
5664 r
!= o
.end(); ++r
) {
5665 ci
.overlap
.push_back(pair
<uint64_t,uint64_t>(r
.get_start(),
5669 map
<snapid_t
, uint64_t>::const_iterator si
;
5670 si
= ssc
->snapset
.clone_size
.find(ci
.cloneid
);
5671 if (si
== ssc
->snapset
.clone_size
.end()) {
5672 osd
->clog
->error() << "osd." << osd
->whoami
5673 << ": inconsistent clone_size found for oid "
5674 << soid
<< " clone " << *clone_iter
;
5678 ci
.size
= si
->second
;
5680 resp
.clones
.push_back(ci
);
5685 if (ssc
->snapset
.head_exists
&&
5686 !ctx
->obc
->obs
.oi
.is_whiteout()) {
5689 ci
.cloneid
= CEPH_NOSNAP
;
5691 //Size for HEAD is oi.size
5694 resp
.clones
.push_back(ci
);
5696 resp
.seq
= ssc
->snapset
.seq
;
5698 resp
.encode(osd_op
.outdata
);
5701 ctx
->delta_stats
.num_rd
++;
5705 case CEPH_OSD_OP_NOTIFY
:
5712 uint32_t ver
; // obsolete
5714 ::decode(timeout
, bp
);
5716 } catch (const buffer::error
&e
) {
5719 tracepoint(osd
, do_osd_op_pre_notify
, soid
.oid
.name
.c_str(), soid
.snap
.val
, timeout
);
5721 timeout
= cct
->_conf
->osd_default_notify_timeout
;
5724 n
.timeout
= timeout
;
5725 n
.notify_id
= osd
->get_next_id(get_osdmap()->get_epoch());
5726 n
.cookie
= op
.watch
.cookie
;
5728 ctx
->notifies
.push_back(n
);
5730 // return our unique notify id to the client
5731 ::encode(n
.notify_id
, osd_op
.outdata
);
5735 case CEPH_OSD_OP_NOTIFY_ACK
:
5739 uint64_t notify_id
= 0;
5740 uint64_t watch_cookie
= 0;
5741 ::decode(notify_id
, bp
);
5742 ::decode(watch_cookie
, bp
);
5743 bufferlist reply_bl
;
5745 ::decode(reply_bl
, bp
);
5747 tracepoint(osd
, do_osd_op_pre_notify_ack
, soid
.oid
.name
.c_str(), soid
.snap
.val
, notify_id
, watch_cookie
, "Y");
5748 OpContext::NotifyAck
ack(notify_id
, watch_cookie
, reply_bl
);
5749 ctx
->notify_acks
.push_back(ack
);
5750 } catch (const buffer::error
&e
) {
5751 tracepoint(osd
, do_osd_op_pre_notify_ack
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.watch
.cookie
, 0, "N");
5752 OpContext::NotifyAck
ack(
5753 // op.watch.cookie is actually the notify_id for historical reasons
5756 ctx
->notify_acks
.push_back(ack
);
5761 case CEPH_OSD_OP_SETALLOCHINT
:
5764 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
);
5765 maybe_create_new_object(ctx
);
5766 oi
.expected_object_size
= op
.alloc_hint
.expected_object_size
;
5767 oi
.expected_write_size
= op
.alloc_hint
.expected_write_size
;
5768 oi
.alloc_hint_flags
= op
.alloc_hint
.flags
;
5769 t
->set_alloc_hint(soid
, op
.alloc_hint
.expected_object_size
,
5770 op
.alloc_hint
.expected_write_size
,
5771 op
.alloc_hint
.flags
);
5772 ctx
->delta_stats
.num_wr
++;
5780 // -- object data --
5782 case CEPH_OSD_OP_WRITE
:
5785 __u32 seq
= oi
.truncate_seq
;
5786 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
);
5787 if (op
.extent
.length
!= osd_op
.indata
.length()) {
5792 if (pool
.info
.has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED
))
5793 op
.flags
= op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
;
5795 if (pool
.info
.requires_aligned_append() &&
5796 (op
.extent
.offset
% pool
.info
.required_alignment() != 0)) {
5797 result
= -EOPNOTSUPP
;
5802 if (pool
.info
.requires_aligned_append() && op
.extent
.offset
) {
5803 result
= -EOPNOTSUPP
;
5806 } else if (op
.extent
.offset
!= oi
.size
&&
5807 pool
.info
.requires_aligned_append()) {
5808 result
= -EOPNOTSUPP
;
5812 if (seq
&& (seq
> op
.extent
.truncate_seq
) &&
5813 (op
.extent
.offset
+ op
.extent
.length
> oi
.size
)) {
5814 // old write, arrived after trimtrunc
5815 op
.extent
.length
= (op
.extent
.offset
> oi
.size
? 0 : oi
.size
- op
.extent
.offset
);
5816 dout(10) << " old truncate_seq " << op
.extent
.truncate_seq
<< " < current " << seq
5817 << ", adjusting write length to " << op
.extent
.length
<< dendl
;
5819 t
.substr_of(osd_op
.indata
, 0, op
.extent
.length
);
5820 osd_op
.indata
.swap(t
);
5822 if (op
.extent
.truncate_seq
> seq
) {
5823 // write arrives before trimtrunc
5824 if (obs
.exists
&& !oi
.is_whiteout()) {
5825 dout(10) << " truncate_seq " << op
.extent
.truncate_seq
<< " > current " << seq
5826 << ", truncating to " << op
.extent
.truncate_size
<< dendl
;
5827 t
->truncate(soid
, op
.extent
.truncate_size
);
5828 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5829 oi
.truncate_size
= op
.extent
.truncate_size
;
5830 if (op
.extent
.truncate_size
!= oi
.size
) {
5831 ctx
->delta_stats
.num_bytes
-= oi
.size
;
5832 ctx
->delta_stats
.num_bytes
+= op
.extent
.truncate_size
;
5833 oi
.size
= op
.extent
.truncate_size
;
5836 dout(10) << " truncate_seq " << op
.extent
.truncate_seq
<< " > current " << seq
5837 << ", but object is new" << dendl
;
5838 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5839 oi
.truncate_size
= op
.extent
.truncate_size
;
5842 result
= check_offset_and_length(op
.extent
.offset
, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5846 maybe_create_new_object(ctx
);
5848 if (op
.extent
.length
== 0) {
5849 if (op
.extent
.offset
> oi
.size
) {
5851 soid
, op
.extent
.offset
);
5857 soid
, op
.extent
.offset
, op
.extent
.length
, osd_op
.indata
, op
.flags
);
5860 if (op
.extent
.offset
== 0 && op
.extent
.length
>= oi
.size
)
5861 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(-1));
5862 else if (op
.extent
.offset
== oi
.size
&& obs
.oi
.is_data_digest())
5863 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(obs
.oi
.data_digest
));
5865 obs
.oi
.clear_data_digest();
5866 write_update_size_and_usage(ctx
->delta_stats
, oi
, ctx
->modified_ranges
,
5867 op
.extent
.offset
, op
.extent
.length
);
5872 case CEPH_OSD_OP_WRITEFULL
:
5874 { // write full object
5875 tracepoint(osd
, do_osd_op_pre_writefull
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, 0, op
.extent
.length
);
5877 if (op
.extent
.length
!= osd_op
.indata
.length()) {
5881 result
= check_offset_and_length(0, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5885 if (pool
.info
.has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED
))
5886 op
.flags
= op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
;
5888 maybe_create_new_object(ctx
);
5889 if (pool
.info
.require_rollback()) {
5890 t
->truncate(soid
, 0);
5891 } else if (obs
.exists
&& op
.extent
.length
< oi
.size
) {
5892 t
->truncate(soid
, op
.extent
.length
);
5894 if (op
.extent
.length
) {
5895 t
->write(soid
, 0, op
.extent
.length
, osd_op
.indata
, op
.flags
);
5897 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(-1));
5899 write_update_size_and_usage(ctx
->delta_stats
, oi
, ctx
->modified_ranges
,
5900 0, op
.extent
.length
, true);
5904 case CEPH_OSD_OP_WRITESAME
:
5906 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
);
5907 result
= do_writesame(ctx
, osd_op
);
5910 case CEPH_OSD_OP_ROLLBACK
:
5912 tracepoint(osd
, do_osd_op_pre_rollback
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5913 result
= _rollback_to(ctx
, op
);
5916 case CEPH_OSD_OP_ZERO
:
5917 tracepoint(osd
, do_osd_op_pre_zero
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.extent
.offset
, op
.extent
.length
);
5918 if (pool
.info
.requires_aligned_append()) {
5919 result
= -EOPNOTSUPP
;
5924 result
= check_offset_and_length(op
.extent
.offset
, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5927 assert(op
.extent
.length
);
5928 if (obs
.exists
&& !oi
.is_whiteout()) {
5929 t
->zero(soid
, op
.extent
.offset
, op
.extent
.length
);
5930 interval_set
<uint64_t> ch
;
5931 ch
.insert(op
.extent
.offset
, op
.extent
.length
);
5932 ctx
->modified_ranges
.union_of(ch
);
5933 ctx
->delta_stats
.num_wr
++;
5934 oi
.clear_data_digest();
5940 case CEPH_OSD_OP_CREATE
:
5943 tracepoint(osd
, do_osd_op_pre_create
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5944 int flags
= le32_to_cpu(op
.flags
);
5945 if (obs
.exists
&& !oi
.is_whiteout() &&
5946 (flags
& CEPH_OSD_OP_FLAG_EXCL
)) {
5947 result
= -EEXIST
; /* this is an exclusive create */
5949 if (osd_op
.indata
.length()) {
5950 bufferlist::iterator p
= osd_op
.indata
.begin();
5953 ::decode(category
, p
);
5955 catch (buffer::error
& e
) {
5959 // category is no longer implemented.
5962 maybe_create_new_object(ctx
);
5969 case CEPH_OSD_OP_TRIMTRUNC
:
5970 op
.extent
.offset
= op
.extent
.truncate_size
;
5973 case CEPH_OSD_OP_TRUNCATE
:
5974 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
);
5975 if (pool
.info
.requires_aligned_append()) {
5976 result
= -EOPNOTSUPP
;
5982 if (!obs
.exists
|| oi
.is_whiteout()) {
5983 dout(10) << " object dne, truncate is a no-op" << dendl
;
5987 if (op
.extent
.offset
> cct
->_conf
->osd_max_object_size
) {
5992 if (op
.extent
.truncate_seq
) {
5993 assert(op
.extent
.offset
== op
.extent
.truncate_size
);
5994 if (op
.extent
.truncate_seq
<= oi
.truncate_seq
) {
5995 dout(10) << " truncate seq " << op
.extent
.truncate_seq
<< " <= current " << oi
.truncate_seq
5996 << ", no-op" << dendl
;
5999 dout(10) << " truncate seq " << op
.extent
.truncate_seq
<< " > current " << oi
.truncate_seq
6000 << ", truncating" << dendl
;
6001 oi
.truncate_seq
= op
.extent
.truncate_seq
;
6002 oi
.truncate_size
= op
.extent
.truncate_size
;
6005 maybe_create_new_object(ctx
);
6006 t
->truncate(soid
, op
.extent
.offset
);
6007 if (oi
.size
> op
.extent
.offset
) {
6008 interval_set
<uint64_t> trim
;
6009 trim
.insert(op
.extent
.offset
, oi
.size
-op
.extent
.offset
);
6010 ctx
->modified_ranges
.union_of(trim
);
6012 if (op
.extent
.offset
!= oi
.size
) {
6013 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6014 ctx
->delta_stats
.num_bytes
+= op
.extent
.offset
;
6015 oi
.size
= op
.extent
.offset
;
6017 ctx
->delta_stats
.num_wr
++;
6018 // do no set exists, or we will break above DELETE -> TRUNCATE munging.
6020 oi
.clear_data_digest();
6024 case CEPH_OSD_OP_DELETE
:
6026 tracepoint(osd
, do_osd_op_pre_delete
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6028 result
= _delete_oid(ctx
, false, ctx
->ignore_cache
);
6032 case CEPH_OSD_OP_WATCH
:
6035 tracepoint(osd
, do_osd_op_pre_watch
, soid
.oid
.name
.c_str(), soid
.snap
.val
,
6036 op
.watch
.cookie
, op
.watch
.op
);
6041 uint64_t cookie
= op
.watch
.cookie
;
6042 entity_name_t entity
= ctx
->reqid
.name
;
6043 ObjectContextRef obc
= ctx
->obc
;
6045 dout(10) << "watch " << ceph_osd_watch_op_name(op
.watch
.op
)
6046 << ": ctx->obc=" << (void *)obc
.get() << " cookie=" << cookie
6047 << " oi.version=" << oi
.version
.version
<< " ctx->at_version=" << ctx
->at_version
<< dendl
;
6048 dout(10) << "watch: oi.user_version=" << oi
.user_version
<< dendl
;
6049 dout(10) << "watch: peer_addr="
6050 << ctx
->op
->get_req()->get_connection()->get_peer_addr() << dendl
;
6052 uint32_t timeout
= cct
->_conf
->osd_client_watch_timeout
;
6053 if (op
.watch
.timeout
!= 0) {
6054 timeout
= op
.watch
.timeout
;
6057 watch_info_t
w(cookie
, timeout
,
6058 ctx
->op
->get_req()->get_connection()->get_peer_addr());
6059 if (op
.watch
.op
== CEPH_OSD_WATCH_OP_WATCH
||
6060 op
.watch
.op
== CEPH_OSD_WATCH_OP_LEGACY_WATCH
) {
6061 if (oi
.watchers
.count(make_pair(cookie
, entity
))) {
6062 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
6064 dout(10) << " registered new watch " << w
<< " by " << entity
<< dendl
;
6065 oi
.watchers
[make_pair(cookie
, entity
)] = w
;
6066 t
->nop(soid
); // make sure update the object_info on disk!
6068 bool will_ping
= (op
.watch
.op
== CEPH_OSD_WATCH_OP_WATCH
);
6069 ctx
->watch_connects
.push_back(make_pair(w
, will_ping
));
6070 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_RECONNECT
) {
6071 if (!oi
.watchers
.count(make_pair(cookie
, entity
))) {
6075 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
6076 ctx
->watch_connects
.push_back(make_pair(w
, true));
6077 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_PING
) {
6078 /* Note: WATCH with PING doesn't cause may_write() to return true,
6079 * so if there is nothing else in the transaction, this is going
6080 * to run do_osd_op_effects, but not write out a log entry */
6081 if (!oi
.watchers
.count(make_pair(cookie
, entity
))) {
6085 map
<pair
<uint64_t,entity_name_t
>,WatchRef
>::iterator p
=
6086 obc
->watchers
.find(make_pair(cookie
, entity
));
6087 if (p
== obc
->watchers
.end() ||
6088 !p
->second
->is_connected()) {
6089 // client needs to reconnect
6090 result
= -ETIMEDOUT
;
6093 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
6094 p
->second
->got_ping(ceph_clock_now());
6096 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_UNWATCH
) {
6097 map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator oi_iter
=
6098 oi
.watchers
.find(make_pair(cookie
, entity
));
6099 if (oi_iter
!= oi
.watchers
.end()) {
6100 dout(10) << " removed watch " << oi_iter
->second
<< " by "
6102 oi
.watchers
.erase(oi_iter
);
6103 t
->nop(soid
); // update oi on disk
6104 ctx
->watch_disconnects
.push_back(
6105 watch_disconnect_t(cookie
, entity
, false));
6107 dout(10) << " can't remove: no watch by " << entity
<< dendl
;
6113 case CEPH_OSD_OP_CACHE_PIN
:
6114 tracepoint(osd
, do_osd_op_pre_cache_pin
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6115 if ((!pool
.info
.is_tier() ||
6116 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)) {
6118 dout(10) << " pin object is only allowed on the cache tier " << dendl
;
6123 if (!obs
.exists
|| oi
.is_whiteout()) {
6128 if (!oi
.is_cache_pinned()) {
6129 oi
.set_flag(object_info_t::FLAG_CACHE_PIN
);
6131 ctx
->delta_stats
.num_objects_pinned
++;
6132 ctx
->delta_stats
.num_wr
++;
6138 case CEPH_OSD_OP_CACHE_UNPIN
:
6139 tracepoint(osd
, do_osd_op_pre_cache_unpin
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6140 if ((!pool
.info
.is_tier() ||
6141 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)) {
6143 dout(10) << " pin object is only allowed on the cache tier " << dendl
;
6148 if (!obs
.exists
|| oi
.is_whiteout()) {
6153 if (oi
.is_cache_pinned()) {
6154 oi
.clear_flag(object_info_t::FLAG_CACHE_PIN
);
6156 ctx
->delta_stats
.num_objects_pinned
--;
6157 ctx
->delta_stats
.num_wr
++;
6163 case CEPH_OSD_OP_SET_REDIRECT
:
6166 if (pool
.info
.is_tier()) {
6174 if (get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
) {
6175 result
= -EOPNOTSUPP
;
6179 object_t target_name
;
6180 object_locator_t target_oloc
;
6181 snapid_t target_snapid
= (uint64_t)op
.copy_from
.snapid
;
6182 version_t target_version
= op
.copy_from
.src_version
;
6184 ::decode(target_name
, bp
);
6185 ::decode(target_oloc
, bp
);
6187 catch (buffer::error
& e
) {
6192 get_osdmap()->object_locator_to_pg(target_name
, target_oloc
, raw_pg
);
6193 hobject_t
target(target_name
, target_oloc
.key
, target_snapid
,
6194 raw_pg
.ps(), raw_pg
.pool(),
6195 target_oloc
.nspace
);
6196 if (target
== soid
) {
6197 dout(20) << " set-redirect self is invalid" << dendl
;
6201 oi
.set_flag(object_info_t::FLAG_MANIFEST
);
6202 oi
.manifest
.redirect_target
= target
;
6203 oi
.manifest
.type
= object_manifest_t::TYPE_REDIRECT
;
6204 t
->truncate(soid
, 0);
6205 if (oi
.is_omap() && pool
.info
.supports_omap()) {
6206 t
->omap_clear(soid
);
6207 obs
.oi
.clear_omap_digest();
6208 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
6210 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6213 oi
.user_version
= target_version
;
6214 ctx
->user_at_version
= target_version
;
6216 map
<string
,bufferlist
> rmattrs
;
6217 result
= getattrs_maybe_cache(ctx
->obc
,
6222 map
<string
, bufferlist
>::iterator iter
;
6223 for (iter
= rmattrs
.begin(); iter
!= rmattrs
.end(); ++iter
) {
6224 const string
& name
= iter
->first
;
6225 t
->rmattr(soid
, name
);
6227 dout(10) << "set-redirect oid:" << oi
.soid
<< " user_version: " << oi
.user_version
<< dendl
;
6232 // -- object attrs --
6234 case CEPH_OSD_OP_SETXATTR
:
6237 if (cct
->_conf
->osd_max_attr_size
> 0 &&
6238 op
.xattr
.value_len
> cct
->_conf
->osd_max_attr_size
) {
6239 tracepoint(osd
, do_osd_op_pre_setxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6243 unsigned max_name_len
= MIN(osd
->store
->get_max_attr_name_length(),
6244 cct
->_conf
->osd_max_attr_name_len
);
6245 if (op
.xattr
.name_len
> max_name_len
) {
6246 result
= -ENAMETOOLONG
;
6249 maybe_create_new_object(ctx
);
6251 bp
.copy(op
.xattr
.name_len
, aname
);
6252 tracepoint(osd
, do_osd_op_pre_setxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
6253 string name
= "_" + aname
;
6255 bp
.copy(op
.xattr
.value_len
, bl
);
6256 t
->setattr(soid
, name
, bl
);
6257 ctx
->delta_stats
.num_wr
++;
6261 case CEPH_OSD_OP_RMXATTR
:
6265 bp
.copy(op
.xattr
.name_len
, aname
);
6266 tracepoint(osd
, do_osd_op_pre_rmxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
6267 if (!obs
.exists
|| oi
.is_whiteout()) {
6271 string name
= "_" + aname
;
6272 t
->rmattr(soid
, name
);
6273 ctx
->delta_stats
.num_wr
++;
6278 // -- fancy writers --
6279 case CEPH_OSD_OP_APPEND
:
6281 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
);
6282 // just do it inline; this works because we are happy to execute
6283 // fancy op on replicas as well.
6284 vector
<OSDOp
> nops(1);
6285 OSDOp
& newop
= nops
[0];
6286 newop
.op
.op
= CEPH_OSD_OP_WRITE
;
6287 newop
.op
.extent
.offset
= oi
.size
;
6288 newop
.op
.extent
.length
= op
.extent
.length
;
6289 newop
.op
.extent
.truncate_seq
= oi
.truncate_seq
;
6290 newop
.indata
= osd_op
.indata
;
6291 result
= do_osd_ops(ctx
, nops
);
6292 osd_op
.outdata
.claim(newop
.outdata
);
6296 case CEPH_OSD_OP_STARTSYNC
:
6297 tracepoint(osd
, do_osd_op_pre_startsync
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6302 // -- trivial map --
6303 case CEPH_OSD_OP_TMAPGET
:
6304 tracepoint(osd
, do_osd_op_pre_tmapget
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6305 if (pool
.info
.require_rollback()) {
6306 result
= -EOPNOTSUPP
;
6310 vector
<OSDOp
> nops(1);
6311 OSDOp
& newop
= nops
[0];
6312 newop
.op
.op
= CEPH_OSD_OP_SYNC_READ
;
6313 newop
.op
.extent
.offset
= 0;
6314 newop
.op
.extent
.length
= 0;
6315 do_osd_ops(ctx
, nops
);
6316 osd_op
.outdata
.claim(newop
.outdata
);
6320 case CEPH_OSD_OP_TMAPPUT
:
6321 tracepoint(osd
, do_osd_op_pre_tmapput
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6322 if (pool
.info
.require_rollback()) {
6323 result
= -EOPNOTSUPP
;
6327 //_dout_lock.Lock();
6328 //osd_op.data.hexdump(*_dout);
6329 //_dout_lock.Unlock();
6331 // verify sort order
6332 bool unsorted
= false;
6335 ::decode(header
, bp
);
6342 dout(10) << "tmapput key " << key
<< dendl
;
6345 if (key
< last_key
) {
6346 dout(10) << "TMAPPUT is unordered; resorting" << dendl
;
6355 vector
<OSDOp
> nops(1);
6356 OSDOp
& newop
= nops
[0];
6357 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
6358 newop
.op
.extent
.offset
= 0;
6359 newop
.op
.extent
.length
= osd_op
.indata
.length();
6360 newop
.indata
= osd_op
.indata
;
6363 bp
= osd_op
.indata
.begin();
6365 map
<string
, bufferlist
> m
;
6366 ::decode(header
, bp
);
6370 ::encode(header
, newbl
);
6372 newop
.indata
= newbl
;
6374 result
= do_osd_ops(ctx
, nops
);
6375 assert(result
== 0);
6379 case CEPH_OSD_OP_TMAPUP
:
6380 tracepoint(osd
, do_osd_op_pre_tmapup
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6381 if (pool
.info
.require_rollback()) {
6382 result
= -EOPNOTSUPP
;
6386 result
= do_tmapup(ctx
, bp
, osd_op
);
6389 case CEPH_OSD_OP_TMAP2OMAP
:
6391 tracepoint(osd
, do_osd_op_pre_tmap2omap
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6392 result
= do_tmap2omap(ctx
, op
.tmap2omap
.flags
);
6396 case CEPH_OSD_OP_OMAPGETKEYS
:
6400 uint64_t max_return
;
6402 ::decode(start_after
, bp
);
6403 ::decode(max_return
, bp
);
6405 catch (buffer::error
& e
) {
6407 tracepoint(osd
, do_osd_op_pre_omapgetkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", 0);
6410 if (max_return
> cct
->_conf
->osd_max_omap_entries_per_request
) {
6411 max_return
= cct
->_conf
->osd_max_omap_entries_per_request
;
6413 tracepoint(osd
, do_osd_op_pre_omapgetkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, start_after
.c_str(), max_return
);
6417 bool truncated
= false;
6419 ObjectMap::ObjectMapIterator iter
= osd
->store
->get_omap_iterator(
6420 coll
, ghobject_t(soid
)
6423 iter
->upper_bound(start_after
);
6424 for (num
= 0; iter
->valid(); ++num
, iter
->next(false)) {
6425 if (num
>= max_return
||
6426 bl
.length() >= cct
->_conf
->osd_max_omap_bytes_per_request
) {
6430 ::encode(iter
->key(), bl
);
6432 } // else return empty out_set
6433 ::encode(num
, osd_op
.outdata
);
6434 osd_op
.outdata
.claim_append(bl
);
6435 ::encode(truncated
, osd_op
.outdata
);
6436 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6437 ctx
->delta_stats
.num_rd
++;
6441 case CEPH_OSD_OP_OMAPGETVALS
:
6445 uint64_t max_return
;
6446 string filter_prefix
;
6448 ::decode(start_after
, bp
);
6449 ::decode(max_return
, bp
);
6450 ::decode(filter_prefix
, bp
);
6452 catch (buffer::error
& e
) {
6454 tracepoint(osd
, do_osd_op_pre_omapgetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", 0, "???");
6457 if (max_return
> cct
->_conf
->osd_max_omap_entries_per_request
) {
6458 max_return
= cct
->_conf
->osd_max_omap_entries_per_request
;
6460 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());
6463 bool truncated
= false;
6466 ObjectMap::ObjectMapIterator iter
= osd
->store
->get_omap_iterator(
6467 coll
, ghobject_t(soid
)
6473 iter
->upper_bound(start_after
);
6474 if (filter_prefix
> start_after
) iter
->lower_bound(filter_prefix
);
6477 iter
->key().substr(0, filter_prefix
.size()) == filter_prefix
;
6478 ++num
, iter
->next(false)) {
6479 dout(20) << "Found key " << iter
->key() << dendl
;
6480 if (num
>= max_return
||
6481 bl
.length() >= cct
->_conf
->osd_max_omap_bytes_per_request
) {
6485 ::encode(iter
->key(), bl
);
6486 ::encode(iter
->value(), bl
);
6488 } // else return empty out_set
6489 ::encode(num
, osd_op
.outdata
);
6490 osd_op
.outdata
.claim_append(bl
);
6491 ::encode(truncated
, osd_op
.outdata
);
6492 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6493 ctx
->delta_stats
.num_rd
++;
6497 case CEPH_OSD_OP_OMAPGETHEADER
:
6498 tracepoint(osd
, do_osd_op_pre_omapgetheader
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6499 if (!oi
.is_omap()) {
6500 // return empty header
6505 osd
->store
->omap_get_header(ch
, ghobject_t(soid
), &osd_op
.outdata
);
6506 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6507 ctx
->delta_stats
.num_rd
++;
6511 case CEPH_OSD_OP_OMAPGETVALSBYKEYS
:
6514 set
<string
> keys_to_get
;
6516 ::decode(keys_to_get
, bp
);
6518 catch (buffer::error
& e
) {
6520 tracepoint(osd
, do_osd_op_pre_omapgetvalsbykeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6523 tracepoint(osd
, do_osd_op_pre_omapgetvalsbykeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, list_entries(keys_to_get
).c_str());
6524 map
<string
, bufferlist
> out
;
6526 osd
->store
->omap_get_values(ch
, ghobject_t(soid
), keys_to_get
, &out
);
6527 } // else return empty omap entries
6528 ::encode(out
, osd_op
.outdata
);
6529 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6530 ctx
->delta_stats
.num_rd
++;
6534 case CEPH_OSD_OP_OMAP_CMP
:
6537 if (!obs
.exists
|| oi
.is_whiteout()) {
6539 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6542 map
<string
, pair
<bufferlist
, int> > assertions
;
6544 ::decode(assertions
, bp
);
6546 catch (buffer::error
& e
) {
6548 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6551 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, list_keys(assertions
).c_str());
6553 map
<string
, bufferlist
> out
;
6557 for (map
<string
, pair
<bufferlist
, int> >::iterator i
= assertions
.begin();
6558 i
!= assertions
.end();
6560 to_get
.insert(i
->first
);
6561 int r
= osd
->store
->omap_get_values(ch
, ghobject_t(soid
),
6567 } // else leave out empty
6569 //Should set num_rd_kb based on encode length of map
6570 ctx
->delta_stats
.num_rd
++;
6574 for (map
<string
, pair
<bufferlist
, int> >::iterator i
= assertions
.begin();
6575 i
!= assertions
.end();
6577 auto out_entry
= out
.find(i
->first
);
6578 bufferlist
&bl
= (out_entry
!= out
.end()) ?
6579 out_entry
->second
: empty
;
6580 switch (i
->second
.second
) {
6581 case CEPH_OSD_CMPXATTR_OP_EQ
:
6582 if (!(bl
== i
->second
.first
)) {
6586 case CEPH_OSD_CMPXATTR_OP_LT
:
6587 if (!(bl
< i
->second
.first
)) {
6591 case CEPH_OSD_CMPXATTR_OP_GT
:
6592 if (!(bl
> i
->second
.first
)) {
6610 case CEPH_OSD_OP_OMAPSETVALS
:
6611 if (!pool
.info
.supports_omap()) {
6612 result
= -EOPNOTSUPP
;
6613 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6618 maybe_create_new_object(ctx
);
6619 bufferlist to_set_bl
;
6621 decode_str_str_map_to_bl(bp
, &to_set_bl
);
6623 catch (buffer::error
& e
) {
6625 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6628 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6629 if (cct
->_conf
->subsys
.should_gather(dout_subsys
, 20)) {
6630 dout(20) << "setting vals: " << dendl
;
6631 map
<string
,bufferlist
> to_set
;
6632 bufferlist::iterator pt
= to_set_bl
.begin();
6633 ::decode(to_set
, pt
);
6634 for (map
<string
, bufferlist
>::iterator i
= to_set
.begin();
6637 dout(20) << "\t" << i
->first
<< dendl
;
6640 t
->omap_setkeys(soid
, to_set_bl
);
6641 ctx
->delta_stats
.num_wr
++;
6643 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6644 obs
.oi
.clear_omap_digest();
6647 case CEPH_OSD_OP_OMAPSETHEADER
:
6648 tracepoint(osd
, do_osd_op_pre_omapsetheader
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6649 if (!pool
.info
.supports_omap()) {
6650 result
= -EOPNOTSUPP
;
6655 maybe_create_new_object(ctx
);
6656 t
->omap_setheader(soid
, osd_op
.indata
);
6657 ctx
->delta_stats
.num_wr
++;
6659 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6660 obs
.oi
.clear_omap_digest();
6663 case CEPH_OSD_OP_OMAPCLEAR
:
6664 tracepoint(osd
, do_osd_op_pre_omapclear
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6665 if (!pool
.info
.supports_omap()) {
6666 result
= -EOPNOTSUPP
;
6671 if (!obs
.exists
|| oi
.is_whiteout()) {
6676 t
->omap_clear(soid
);
6677 ctx
->delta_stats
.num_wr
++;
6678 obs
.oi
.clear_omap_digest();
6679 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
6684 case CEPH_OSD_OP_OMAPRMKEYS
:
6685 if (!pool
.info
.supports_omap()) {
6686 result
= -EOPNOTSUPP
;
6687 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6692 if (!obs
.exists
|| oi
.is_whiteout()) {
6694 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6697 bufferlist to_rm_bl
;
6699 decode_str_set_to_bl(bp
, &to_rm_bl
);
6701 catch (buffer::error
& e
) {
6703 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6706 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6707 t
->omap_rmkeys(soid
, to_rm_bl
);
6708 ctx
->delta_stats
.num_wr
++;
6710 obs
.oi
.clear_omap_digest();
6713 case CEPH_OSD_OP_COPY_GET
:
6715 tracepoint(osd
, do_osd_op_pre_copy_get
, soid
.oid
.name
.c_str(),
6717 if (op_finisher
== nullptr) {
6718 result
= do_copy_get(ctx
, bp
, osd_op
, ctx
->obc
);
6720 result
= op_finisher
->execute();
6724 case CEPH_OSD_OP_COPY_FROM
:
6728 object_locator_t src_oloc
;
6729 snapid_t src_snapid
= (uint64_t)op
.copy_from
.snapid
;
6730 version_t src_version
= op
.copy_from
.src_version
;
6732 ::decode(src_name
, bp
);
6733 ::decode(src_oloc
, bp
);
6735 catch (buffer::error
& e
) {
6738 do_osd_op_pre_copy_from
,
6739 soid
.oid
.name
.c_str(),
6751 do_osd_op_pre_copy_from
,
6752 soid
.oid
.name
.c_str(),
6754 src_name
.name
.c_str(),
6756 src_oloc
.key
.c_str(),
6757 src_oloc
.nspace
.c_str(),
6761 if (op_finisher
== nullptr) {
6764 get_osdmap()->object_locator_to_pg(src_name
, src_oloc
, raw_pg
);
6765 hobject_t
src(src_name
, src_oloc
.key
, src_snapid
,
6766 raw_pg
.ps(), raw_pg
.pool(),
6769 dout(20) << " copy from self is invalid" << dendl
;
6773 CopyFromCallback
*cb
= new CopyFromCallback(ctx
, osd_op
);
6774 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
6775 new CopyFromFinisher(cb
));
6776 start_copy(cb
, ctx
->obc
, src
, src_oloc
, src_version
,
6779 op
.copy_from
.src_fadvise_flags
,
6781 result
= -EINPROGRESS
;
6784 result
= op_finisher
->execute();
6785 assert(result
== 0);
6787 // COPY_FROM cannot be executed multiple times -- it must restart
6788 ctx
->op_finishers
.erase(ctx
->current_osd_subop_num
);
6794 tracepoint(osd
, do_osd_op_pre_unknown
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
));
6795 dout(1) << "unrecognized osd op " << op
.op
6796 << " " << ceph_osd_op_name(op
.op
)
6798 result
= -EOPNOTSUPP
;
6802 osd_op
.rval
= result
;
6803 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
);
6804 if (result
< 0 && (op
.flags
& CEPH_OSD_OP_FLAG_FAILOK
))
6813 int PrimaryLogPG::_get_tmap(OpContext
*ctx
, bufferlist
*header
, bufferlist
*vals
)
6815 if (ctx
->new_obs
.oi
.size
== 0) {
6816 dout(20) << "unable to get tmap for zero sized " << ctx
->new_obs
.oi
.soid
<< dendl
;
6819 vector
<OSDOp
> nops(1);
6820 OSDOp
&newop
= nops
[0];
6821 newop
.op
.op
= CEPH_OSD_OP_TMAPGET
;
6822 do_osd_ops(ctx
, nops
);
6824 bufferlist::iterator i
= newop
.outdata
.begin();
6825 ::decode(*header
, i
);
6826 (*vals
).substr_of(newop
.outdata
, i
.get_off(), i
.get_remaining());
6828 dout(20) << "unsuccessful at decoding tmap for " << ctx
->new_obs
.oi
.soid
6832 dout(20) << "successful at decoding tmap for " << ctx
->new_obs
.oi
.soid
6837 int PrimaryLogPG::_verify_no_head_clones(const hobject_t
& soid
,
6840 // verify that all clones have been evicted
6841 dout(20) << __func__
<< " verifying clones are absent "
6843 for (vector
<snapid_t
>::const_iterator p
= ss
.clones
.begin();
6844 p
!= ss
.clones
.end();
6846 hobject_t clone_oid
= soid
;
6847 clone_oid
.snap
= *p
;
6848 if (is_missing_object(clone_oid
))
6850 ObjectContextRef clone_obc
= get_object_context(clone_oid
, false);
6851 if (clone_obc
&& clone_obc
->obs
.exists
) {
6852 dout(10) << __func__
<< " cannot evict head before clone "
6853 << clone_oid
<< dendl
;
6856 if (copy_ops
.count(clone_oid
)) {
6857 dout(10) << __func__
<< " cannot evict head, pending promote on clone "
6858 << clone_oid
<< dendl
;
6865 inline int PrimaryLogPG::_delete_oid(
6867 bool no_whiteout
, // no whiteouts, no matter what.
6868 bool try_no_whiteout
) // try not to whiteout
6870 SnapSet
& snapset
= ctx
->new_snapset
;
6871 ObjectState
& obs
= ctx
->new_obs
;
6872 object_info_t
& oi
= obs
.oi
;
6873 const hobject_t
& soid
= oi
.soid
;
6874 PGTransaction
* t
= ctx
->op_t
.get();
6876 // cache: cache: set whiteout on delete?
6877 bool whiteout
= false;
6878 if (pool
.info
.cache_mode
!= pg_pool_t::CACHEMODE_NONE
6880 && !try_no_whiteout
) {
6884 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_LUMINOUS
) {
6886 // in luminous or later, we can't delete the head if there are
6887 // clones. we trust the caller passing no_whiteout has already
6888 // verified they don't exist.
6889 if (!snapset
.clones
.empty() ||
6890 (!ctx
->snapc
.snaps
.empty() && ctx
->snapc
.snaps
[0] > snapset
.seq
)) {
6892 dout(20) << __func__
<< " has or will have clones but no_whiteout=1"
6895 dout(20) << __func__
<< " has or will have clones; will whiteout"
6903 dout(20) << __func__
<< " " << soid
<< " whiteout=" << (int)whiteout
6904 << " no_whiteout=" << (int)no_whiteout
6905 << " try_no_whiteout=" << (int)try_no_whiteout
6907 if (!obs
.exists
|| (obs
.oi
.is_whiteout() && whiteout
))
6913 interval_set
<uint64_t> ch
;
6914 ch
.insert(0, oi
.size
);
6915 ctx
->modified_ranges
.union_of(ch
);
6918 ctx
->delta_stats
.num_wr
++;
6919 if (soid
.is_snap()) {
6920 assert(ctx
->obc
->ssc
->snapset
.clone_overlap
.count(soid
.snap
));
6921 ctx
->delta_stats
.num_bytes
-= ctx
->obc
->ssc
->snapset
.get_clone_bytes(soid
.snap
);
6923 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6928 // disconnect all watchers
6929 for (map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator p
=
6930 oi
.watchers
.begin();
6931 p
!= oi
.watchers
.end();
6933 dout(20) << __func__
<< " will disconnect watcher " << p
->first
<< dendl
;
6934 ctx
->watch_disconnects
.push_back(
6935 watch_disconnect_t(p
->first
.first
, p
->first
.second
, true));
6937 oi
.watchers
.clear();
6940 dout(20) << __func__
<< " setting whiteout on " << soid
<< dendl
;
6941 oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
6942 ctx
->delta_stats
.num_whiteouts
++;
6944 osd
->logger
->inc(l_osd_tier_whiteout
);
6949 ctx
->delta_stats
.num_objects
--;
6951 ctx
->delta_stats
.num_object_clones
--;
6952 if (oi
.is_whiteout()) {
6953 dout(20) << __func__
<< " deleting whiteout on " << soid
<< dendl
;
6954 ctx
->delta_stats
.num_whiteouts
--;
6955 oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
6957 if (oi
.is_cache_pinned()) {
6958 ctx
->delta_stats
.num_objects_pinned
--;
6960 if ((legacy
|| snapset
.is_legacy()) && soid
.is_head()) {
6961 snapset
.head_exists
= false;
6967 int PrimaryLogPG::_rollback_to(OpContext
*ctx
, ceph_osd_op
& op
)
6969 SnapSet
& snapset
= ctx
->new_snapset
;
6970 ObjectState
& obs
= ctx
->new_obs
;
6971 object_info_t
& oi
= obs
.oi
;
6972 const hobject_t
& soid
= oi
.soid
;
6973 PGTransaction
* t
= ctx
->op_t
.get();
6974 snapid_t snapid
= (uint64_t)op
.snap
.snapid
;
6975 hobject_t missing_oid
;
6977 dout(10) << "_rollback_to " << soid
<< " snapid " << snapid
<< dendl
;
6979 ObjectContextRef rollback_to
;
6980 int ret
= find_object_context(
6981 hobject_t(soid
.oid
, soid
.get_key(), snapid
, soid
.get_hash(), info
.pgid
.pool(),
6982 soid
.get_namespace()),
6983 &rollback_to
, false, false, &missing_oid
);
6984 if (ret
== -EAGAIN
) {
6985 /* clone must be missing */
6986 assert(is_degraded_or_backfilling_object(missing_oid
));
6987 dout(20) << "_rollback_to attempted to roll back to a missing or backfilling clone "
6988 << missing_oid
<< " (requested snapid: ) " << snapid
<< dendl
;
6989 block_write_on_degraded_snap(missing_oid
, ctx
->op
);
6993 ObjectContextRef promote_obc
;
6994 cache_result_t tier_mode_result
;
6995 if (obs
.exists
&& obs
.oi
.has_manifest()) {
6997 maybe_handle_manifest_detail(
7003 maybe_handle_cache_detail(
7013 switch (tier_mode_result
) {
7014 case cache_result_t::NOOP
:
7016 case cache_result_t::BLOCKED_PROMOTE
:
7017 assert(promote_obc
);
7018 block_write_on_snap_rollback(soid
, promote_obc
, ctx
->op
);
7020 case cache_result_t::BLOCKED_FULL
:
7021 block_write_on_full_cache(soid
, ctx
->op
);
7023 case cache_result_t::REPLIED_WITH_EAGAIN
:
7024 assert(0 == "this can't happen, no rollback on replica");
7026 assert(0 == "must promote was set, other values are not valid");
7031 if (ret
== -ENOENT
|| (rollback_to
&& rollback_to
->obs
.oi
.is_whiteout())) {
7032 // there's no snapshot here, or there's no object.
7033 // if there's no snapshot, we delete the object; otherwise, do nothing.
7034 dout(20) << "_rollback_to deleting head on " << soid
.oid
7035 << " because got ENOENT|whiteout on find_object_context" << dendl
;
7036 if (ctx
->obc
->obs
.oi
.watchers
.size()) {
7037 // Cannot delete an object with watchers
7040 _delete_oid(ctx
, false, false);
7044 // ummm....huh? It *can't* return anything else at time of writing.
7045 assert(0 == "unexpected error code in _rollback_to");
7046 } else { //we got our context, let's use it to do the rollback!
7047 hobject_t
& rollback_to_sobject
= rollback_to
->obs
.oi
.soid
;
7048 if (is_degraded_or_backfilling_object(rollback_to_sobject
)) {
7049 dout(20) << "_rollback_to attempted to roll back to a degraded object "
7050 << rollback_to_sobject
<< " (requested snapid: ) " << snapid
<< dendl
;
7051 block_write_on_degraded_snap(rollback_to_sobject
, ctx
->op
);
7053 } else if (rollback_to
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
) {
7054 // rolling back to the head; we just need to clone it.
7057 /* 1) Delete current head
7058 * 2) Clone correct snapshot into head
7059 * 3) Calculate clone_overlaps by following overlaps
7060 * forward from rollback snapshot */
7061 dout(10) << "_rollback_to deleting " << soid
.oid
7062 << " and rolling back to old snap" << dendl
;
7067 t
->clone(soid
, rollback_to_sobject
);
7068 snapset
.head_exists
= true;
7069 t
->add_obc(rollback_to
);
7071 map
<snapid_t
, interval_set
<uint64_t> >::iterator iter
=
7072 snapset
.clone_overlap
.lower_bound(snapid
);
7073 interval_set
<uint64_t> overlaps
= iter
->second
;
7074 assert(iter
!= snapset
.clone_overlap
.end());
7076 iter
!= snapset
.clone_overlap
.end();
7078 overlaps
.intersection_of(iter
->second
);
7080 if (obs
.oi
.size
> 0) {
7081 interval_set
<uint64_t> modified
;
7082 modified
.insert(0, obs
.oi
.size
);
7083 overlaps
.intersection_of(modified
);
7084 modified
.subtract(overlaps
);
7085 ctx
->modified_ranges
.union_of(modified
);
7088 // Adjust the cached objectcontext
7089 maybe_create_new_object(ctx
, true);
7090 ctx
->delta_stats
.num_bytes
-= obs
.oi
.size
;
7091 ctx
->delta_stats
.num_bytes
+= rollback_to
->obs
.oi
.size
;
7092 obs
.oi
.size
= rollback_to
->obs
.oi
.size
;
7093 if (rollback_to
->obs
.oi
.is_data_digest())
7094 obs
.oi
.set_data_digest(rollback_to
->obs
.oi
.data_digest
);
7096 obs
.oi
.clear_data_digest();
7097 if (rollback_to
->obs
.oi
.is_omap_digest())
7098 obs
.oi
.set_omap_digest(rollback_to
->obs
.oi
.omap_digest
);
7100 obs
.oi
.clear_omap_digest();
7102 if (rollback_to
->obs
.oi
.is_omap()) {
7103 dout(10) << __func__
<< " setting omap flag on " << obs
.oi
.soid
<< dendl
;
7104 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
7106 dout(10) << __func__
<< " clearing omap flag on " << obs
.oi
.soid
<< dendl
;
7107 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
7110 snapset
.head_exists
= true;
7116 void PrimaryLogPG::_make_clone(
7119 ObjectContextRef obc
,
7120 const hobject_t
& head
, const hobject_t
& coid
,
7124 ::encode(*poi
, bv
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7126 t
->clone(coid
, head
);
7127 setattr_maybe_cache(obc
, ctx
, t
, OI_ATTR
, bv
);
7128 rmattr_maybe_cache(obc
, ctx
, t
, SS_ATTR
);
7131 void PrimaryLogPG::make_writeable(OpContext
*ctx
)
7133 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7134 SnapContext
& snapc
= ctx
->snapc
;
7137 assert(soid
.snap
== CEPH_NOSNAP
);
7138 dout(20) << "make_writeable " << soid
<< " snapset=" << ctx
->new_snapset
7139 << " snapc=" << snapc
<< dendl
;
7141 bool was_dirty
= ctx
->obc
->obs
.oi
.is_dirty();
7142 if (ctx
->new_obs
.exists
) {
7143 // we will mark the object dirty
7144 if (ctx
->undirty
&& was_dirty
) {
7145 dout(20) << " clearing DIRTY flag" << dendl
;
7146 assert(ctx
->new_obs
.oi
.is_dirty());
7147 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
7148 --ctx
->delta_stats
.num_objects_dirty
;
7149 osd
->logger
->inc(l_osd_tier_clean
);
7150 } else if (!was_dirty
&& !ctx
->undirty
) {
7151 dout(20) << " setting DIRTY flag" << dendl
;
7152 ctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_DIRTY
);
7153 ++ctx
->delta_stats
.num_objects_dirty
;
7154 osd
->logger
->inc(l_osd_tier_dirty
);
7158 dout(20) << " deletion, decrementing num_dirty and clearing flag" << dendl
;
7159 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
7160 --ctx
->delta_stats
.num_objects_dirty
;
7164 if ((ctx
->new_obs
.exists
&&
7165 ctx
->new_obs
.oi
.is_omap()) &&
7166 (!ctx
->obc
->obs
.exists
||
7167 !ctx
->obc
->obs
.oi
.is_omap())) {
7168 ++ctx
->delta_stats
.num_objects_omap
;
7170 if ((!ctx
->new_obs
.exists
||
7171 !ctx
->new_obs
.oi
.is_omap()) &&
7172 (ctx
->obc
->obs
.exists
&&
7173 ctx
->obc
->obs
.oi
.is_omap())) {
7174 --ctx
->delta_stats
.num_objects_omap
;
7178 if (ctx
->new_snapset
.seq
> snapc
.seq
) {
7179 snapc
.seq
= ctx
->new_snapset
.seq
;
7180 snapc
.snaps
= ctx
->new_snapset
.snaps
;
7181 filter_snapc(snapc
.snaps
);
7182 dout(10) << " using newer snapc " << snapc
<< dendl
;
7185 if ((ctx
->obs
->exists
&& !ctx
->obs
->oi
.is_whiteout()) && // head exist(ed)
7186 snapc
.snaps
.size() && // there are snaps
7187 !ctx
->cache_evict
&&
7188 snapc
.snaps
[0] > ctx
->new_snapset
.seq
) { // existing object is old
7190 hobject_t coid
= soid
;
7191 coid
.snap
= snapc
.seq
;
7194 for (l
=1; l
<snapc
.snaps
.size() && snapc
.snaps
[l
] > ctx
->new_snapset
.seq
; l
++) ;
7196 vector
<snapid_t
> snaps(l
);
7197 for (unsigned i
=0; i
<l
; i
++)
7198 snaps
[i
] = snapc
.snaps
[i
];
7201 object_info_t
static_snap_oi(coid
);
7202 object_info_t
*snap_oi
;
7204 ctx
->clone_obc
= object_contexts
.lookup_or_create(static_snap_oi
.soid
);
7205 ctx
->clone_obc
->destructor_callback
= new C_PG_ObjectContext(this, ctx
->clone_obc
.get());
7206 ctx
->clone_obc
->obs
.oi
= static_snap_oi
;
7207 ctx
->clone_obc
->obs
.exists
= true;
7208 ctx
->clone_obc
->ssc
= ctx
->obc
->ssc
;
7209 ctx
->clone_obc
->ssc
->ref
++;
7210 if (pool
.info
.require_rollback())
7211 ctx
->clone_obc
->attr_cache
= ctx
->obc
->attr_cache
;
7212 snap_oi
= &ctx
->clone_obc
->obs
.oi
;
7213 bool got
= ctx
->lock_manager
.get_write_greedy(
7218 dout(20) << " got greedy write on clone_obc " << *ctx
->clone_obc
<< dendl
;
7220 snap_oi
= &static_snap_oi
;
7222 snap_oi
->version
= ctx
->at_version
;
7223 snap_oi
->prior_version
= ctx
->obs
->oi
.version
;
7224 snap_oi
->copy_user_bits(ctx
->obs
->oi
);
7226 bool legacy
= ctx
->new_snapset
.is_legacy() ||
7227 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
7229 snap_oi
->legacy_snaps
= snaps
;
7232 _make_clone(ctx
, ctx
->op_t
.get(), ctx
->clone_obc
, soid
, coid
, snap_oi
);
7234 ctx
->delta_stats
.num_objects
++;
7235 if (snap_oi
->is_dirty()) {
7236 ctx
->delta_stats
.num_objects_dirty
++;
7237 osd
->logger
->inc(l_osd_tier_dirty
);
7239 if (snap_oi
->is_omap())
7240 ctx
->delta_stats
.num_objects_omap
++;
7241 if (snap_oi
->is_cache_pinned())
7242 ctx
->delta_stats
.num_objects_pinned
++;
7243 ctx
->delta_stats
.num_object_clones
++;
7244 ctx
->new_snapset
.clones
.push_back(coid
.snap
);
7245 ctx
->new_snapset
.clone_size
[coid
.snap
] = ctx
->obs
->oi
.size
;
7247 ctx
->new_snapset
.clone_snaps
[coid
.snap
] = snaps
;
7250 // clone_overlap should contain an entry for each clone
7251 // (an empty interval_set if there is no overlap)
7252 ctx
->new_snapset
.clone_overlap
[coid
.snap
];
7253 if (ctx
->obs
->oi
.size
)
7254 ctx
->new_snapset
.clone_overlap
[coid
.snap
].insert(0, ctx
->obs
->oi
.size
);
7257 dout(10) << " cloning v " << ctx
->obs
->oi
.version
7258 << " to " << coid
<< " v " << ctx
->at_version
7259 << " snaps=" << snaps
7260 << " snapset=" << ctx
->new_snapset
<< dendl
;
7261 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::CLONE
, coid
, ctx
->at_version
,
7262 ctx
->obs
->oi
.version
,
7263 ctx
->obs
->oi
.user_version
,
7264 osd_reqid_t(), ctx
->new_obs
.oi
.mtime
, 0));
7265 ::encode(snaps
, ctx
->log
.back().snaps
);
7267 ctx
->at_version
.version
++;
7270 // update most recent clone_overlap and usage stats
7271 if (ctx
->new_snapset
.clones
.size() > 0) {
7272 /* we need to check whether the most recent clone exists, if it's been evicted,
7273 * it's not included in the stats */
7274 hobject_t last_clone_oid
= soid
;
7275 last_clone_oid
.snap
= ctx
->new_snapset
.clone_overlap
.rbegin()->first
;
7276 if (is_present_clone(last_clone_oid
)) {
7277 interval_set
<uint64_t> &newest_overlap
= ctx
->new_snapset
.clone_overlap
.rbegin()->second
;
7278 ctx
->modified_ranges
.intersection_of(newest_overlap
);
7279 // modified_ranges is still in use by the clone
7280 add_interval_usage(ctx
->modified_ranges
, ctx
->delta_stats
);
7281 newest_overlap
.subtract(ctx
->modified_ranges
);
7285 // update snapset with latest snap context
7286 ctx
->new_snapset
.seq
= snapc
.seq
;
7287 ctx
->new_snapset
.snaps
= snapc
.snaps
;
7288 if (get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
) {
7289 // pessimistic assumption that this is a net-new legacy SnapSet
7290 ctx
->delta_stats
.num_legacy_snapsets
++;
7291 ctx
->new_snapset
.head_exists
= ctx
->new_obs
.exists
;
7292 } else if (ctx
->new_snapset
.is_legacy()) {
7293 ctx
->new_snapset
.head_exists
= ctx
->new_obs
.exists
;
7295 dout(20) << "make_writeable " << soid
7296 << " done, snapset=" << ctx
->new_snapset
<< dendl
;
7300 void PrimaryLogPG::write_update_size_and_usage(object_stat_sum_t
& delta_stats
, object_info_t
& oi
,
7301 interval_set
<uint64_t>& modified
, uint64_t offset
,
7302 uint64_t length
, bool write_full
)
7304 interval_set
<uint64_t> ch
;
7307 ch
.insert(0, oi
.size
);
7309 ch
.insert(offset
, length
);
7310 modified
.union_of(ch
);
7311 if (write_full
|| offset
+ length
> oi
.size
) {
7312 uint64_t new_size
= offset
+ length
;
7313 delta_stats
.num_bytes
-= oi
.size
;
7314 delta_stats
.num_bytes
+= new_size
;
7317 delta_stats
.num_wr
++;
7318 delta_stats
.num_wr_kb
+= SHIFT_ROUND_UP(length
, 10);
7321 void PrimaryLogPG::add_interval_usage(interval_set
<uint64_t>& s
, object_stat_sum_t
& delta_stats
)
7323 for (interval_set
<uint64_t>::const_iterator p
= s
.begin(); p
!= s
.end(); ++p
) {
7324 delta_stats
.num_bytes
+= p
.get_len();
7328 void PrimaryLogPG::complete_disconnect_watches(
7329 ObjectContextRef obc
,
7330 const list
<watch_disconnect_t
> &to_disconnect
)
7332 for (list
<watch_disconnect_t
>::const_iterator i
=
7333 to_disconnect
.begin();
7334 i
!= to_disconnect
.end();
7336 pair
<uint64_t, entity_name_t
> watcher(i
->cookie
, i
->name
);
7337 auto watchers_entry
= obc
->watchers
.find(watcher
);
7338 if (watchers_entry
!= obc
->watchers
.end()) {
7339 WatchRef watch
= watchers_entry
->second
;
7340 dout(10) << "do_osd_op_effects disconnect watcher " << watcher
<< dendl
;
7341 obc
->watchers
.erase(watcher
);
7342 watch
->remove(i
->send_disconnect
);
7344 dout(10) << "do_osd_op_effects disconnect failed to find watcher "
7345 << watcher
<< dendl
;
7350 void PrimaryLogPG::do_osd_op_effects(OpContext
*ctx
, const ConnectionRef
& conn
)
7352 entity_name_t entity
= ctx
->reqid
.name
;
7353 dout(15) << "do_osd_op_effects " << entity
<< " con " << conn
.get() << dendl
;
7355 // disconnects first
7356 complete_disconnect_watches(ctx
->obc
, ctx
->watch_disconnects
);
7360 boost::intrusive_ptr
<Session
> session((Session
*)conn
->get_priv());
7363 session
->put(); // get_priv() takes a ref, and so does the intrusive_ptr
7365 for (list
<pair
<watch_info_t
,bool> >::iterator i
= ctx
->watch_connects
.begin();
7366 i
!= ctx
->watch_connects
.end();
7368 pair
<uint64_t, entity_name_t
> watcher(i
->first
.cookie
, entity
);
7369 dout(15) << "do_osd_op_effects applying watch connect on session "
7370 << session
.get() << " watcher " << watcher
<< dendl
;
7372 if (ctx
->obc
->watchers
.count(watcher
)) {
7373 dout(15) << "do_osd_op_effects found existing watch watcher " << watcher
7375 watch
= ctx
->obc
->watchers
[watcher
];
7377 dout(15) << "do_osd_op_effects new watcher " << watcher
7379 watch
= Watch::makeWatchRef(
7380 this, osd
, ctx
->obc
, i
->first
.timeout_seconds
,
7381 i
->first
.cookie
, entity
, conn
->get_peer_addr());
7382 ctx
->obc
->watchers
.insert(
7387 watch
->connect(conn
, i
->second
);
7390 for (list
<notify_info_t
>::iterator p
= ctx
->notifies
.begin();
7391 p
!= ctx
->notifies
.end();
7393 dout(10) << "do_osd_op_effects, notify " << *p
<< dendl
;
7394 ConnectionRef
conn(ctx
->op
->get_req()->get_connection());
7396 Notify::makeNotifyRef(
7398 ctx
->reqid
.name
.num(),
7403 ctx
->obc
->obs
.oi
.user_version
,
7405 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator i
=
7406 ctx
->obc
->watchers
.begin();
7407 i
!= ctx
->obc
->watchers
.end();
7409 dout(10) << "starting notify on watch " << i
->first
<< dendl
;
7410 i
->second
->start_notify(notif
);
7415 for (list
<OpContext::NotifyAck
>::iterator p
= ctx
->notify_acks
.begin();
7416 p
!= ctx
->notify_acks
.end();
7418 if (p
->watch_cookie
)
7419 dout(10) << "notify_ack " << make_pair(p
->watch_cookie
.get(), p
->notify_id
) << dendl
;
7421 dout(10) << "notify_ack " << make_pair("NULL", p
->notify_id
) << dendl
;
7422 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator i
=
7423 ctx
->obc
->watchers
.begin();
7424 i
!= ctx
->obc
->watchers
.end();
7426 if (i
->first
.second
!= entity
) continue;
7427 if (p
->watch_cookie
&&
7428 p
->watch_cookie
.get() != i
->first
.first
) continue;
7429 dout(10) << "acking notify on watch " << i
->first
<< dendl
;
7430 i
->second
->notify_ack(p
->notify_id
, p
->reply_bl
);
7435 hobject_t
PrimaryLogPG::generate_temp_object(const hobject_t
& target
)
7438 ss
<< "temp_" << info
.pgid
<< "_" << get_role()
7439 << "_" << osd
->monc
->get_global_id() << "_" << (++temp_seq
);
7440 hobject_t hoid
= target
.make_temp_hobject(ss
.str());
7441 dout(20) << __func__
<< " " << hoid
<< dendl
;
7445 hobject_t
PrimaryLogPG::get_temp_recovery_object(
7446 const hobject_t
& target
,
7450 ss
<< "temp_recovering_" << info
.pgid
// (note this includes the shardid)
7452 << "_" << info
.history
.same_interval_since
7453 << "_" << target
.snap
;
7454 // pgid + version + interval + snapid is unique, and short
7455 hobject_t hoid
= target
.make_temp_hobject(ss
.str());
7456 dout(20) << __func__
<< " " << hoid
<< dendl
;
7460 int PrimaryLogPG::prepare_transaction(OpContext
*ctx
)
7462 assert(!ctx
->ops
->empty());
7464 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7466 // valid snap context?
7467 if (!ctx
->snapc
.is_valid()) {
7468 dout(10) << " invalid snapc " << ctx
->snapc
<< dendl
;
7472 // prepare the actual mutation
7473 int result
= do_osd_ops(ctx
, *ctx
->ops
);
7475 if (ctx
->op
->may_write() &&
7476 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
7477 // need to save the error code in the pg log, to detect dup ops,
7478 // but do nothing else
7479 ctx
->update_log_only
= true;
7484 // read-op? write-op noop? done?
7485 if (ctx
->op_t
->empty() && !ctx
->modify
) {
7486 unstable_stats
.add(ctx
->delta_stats
);
7487 if (ctx
->op
->may_write() &&
7488 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
7489 ctx
->update_log_only
= true;
7495 if ((ctx
->delta_stats
.num_bytes
> 0 ||
7496 ctx
->delta_stats
.num_objects
> 0) && // FIXME: keys?
7497 (pool
.info
.has_flag(pg_pool_t::FLAG_FULL
) ||
7498 get_osdmap()->test_flag(CEPH_OSDMAP_FULL
))) {
7499 const MOSDOp
*m
= static_cast<const MOSDOp
*>(ctx
->op
->get_req());
7500 if (ctx
->reqid
.name
.is_mds() || // FIXME: ignore MDS for now
7501 m
->has_flag(CEPH_OSD_FLAG_FULL_FORCE
)) {
7502 dout(20) << __func__
<< " full, but proceeding due to FULL_FORCE or MDS"
7504 } else if (m
->has_flag(CEPH_OSD_FLAG_FULL_TRY
)) {
7505 // they tried, they failed.
7506 dout(20) << __func__
<< " full, replying to FULL_TRY op" << dendl
;
7507 return pool
.info
.has_flag(pg_pool_t::FLAG_FULL
) ? -EDQUOT
: -ENOSPC
;
7510 dout(20) << __func__
<< " full, dropping request (bad client)" << dendl
;
7515 // clone, if necessary
7516 if (soid
.snap
== CEPH_NOSNAP
)
7517 make_writeable(ctx
);
7520 ctx
->new_obs
.exists
? pg_log_entry_t::MODIFY
:
7521 pg_log_entry_t::DELETE
);
7526 void PrimaryLogPG::finish_ctx(OpContext
*ctx
, int log_op_type
, bool maintain_ssc
)
7528 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7529 dout(20) << __func__
<< " " << soid
<< " " << ctx
7530 << " op " << pg_log_entry_t::get_op_name(log_op_type
)
7532 utime_t now
= ceph_clock_now();
7537 if (soid
.snap
== CEPH_NOSNAP
&& maintain_ssc
) {
7538 ::encode(ctx
->new_snapset
, bss
);
7539 assert(ctx
->new_obs
.exists
== ctx
->new_snapset
.head_exists
||
7540 !ctx
->new_snapset
.is_legacy());
7542 if (ctx
->new_obs
.exists
) {
7543 if (!ctx
->obs
->exists
) {
7544 if (ctx
->snapset_obc
&& ctx
->snapset_obc
->obs
.exists
) {
7545 hobject_t snapoid
= soid
.get_snapdir();
7546 dout(10) << " removing unneeded snapdir " << snapoid
<< dendl
;
7547 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::DELETE
, snapoid
,
7549 ctx
->snapset_obc
->obs
.oi
.version
,
7550 0, osd_reqid_t(), ctx
->mtime
, 0));
7551 ctx
->op_t
->remove(snapoid
);
7553 ctx
->at_version
.version
++;
7555 ctx
->snapset_obc
->obs
.exists
= false;
7558 } else if (!ctx
->new_snapset
.clones
.empty() &&
7559 !ctx
->cache_evict
&&
7560 !ctx
->new_snapset
.head_exists
&&
7561 (!ctx
->snapset_obc
|| !ctx
->snapset_obc
->obs
.exists
)) {
7562 // save snapset on _snap
7563 hobject_t
snapoid(soid
.oid
, soid
.get_key(), CEPH_SNAPDIR
, soid
.get_hash(),
7564 info
.pgid
.pool(), soid
.get_namespace());
7565 dout(10) << " final snapset " << ctx
->new_snapset
7566 << " in " << snapoid
<< dendl
;
7567 assert(get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
);
7568 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::MODIFY
, snapoid
,
7571 0, osd_reqid_t(), ctx
->mtime
, 0));
7573 if (!ctx
->snapset_obc
)
7574 ctx
->snapset_obc
= get_object_context(snapoid
, true);
7576 if (ctx
->lock_type
== ObjectContext::RWState::RWWRITE
) {
7577 got
= ctx
->lock_manager
.get_write_greedy(
7582 assert(ctx
->lock_type
== ObjectContext::RWState::RWEXCL
);
7583 got
= ctx
->lock_manager
.get_lock_type(
7584 ObjectContext::RWState::RWEXCL
,
7590 dout(20) << " got greedy write on snapset_obc " << *ctx
->snapset_obc
<< dendl
;
7591 ctx
->snapset_obc
->obs
.exists
= true;
7592 ctx
->snapset_obc
->obs
.oi
.version
= ctx
->at_version
;
7593 ctx
->snapset_obc
->obs
.oi
.last_reqid
= ctx
->reqid
;
7594 ctx
->snapset_obc
->obs
.oi
.mtime
= ctx
->mtime
;
7595 ctx
->snapset_obc
->obs
.oi
.local_mtime
= now
;
7597 map
<string
, bufferlist
> attrs
;
7598 bufferlist
bv(sizeof(ctx
->new_obs
.oi
));
7599 ::encode(ctx
->snapset_obc
->obs
.oi
, bv
,
7600 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7601 ctx
->op_t
->create(snapoid
);
7602 attrs
[OI_ATTR
].claim(bv
);
7603 attrs
[SS_ATTR
].claim(bss
);
7604 setattrs_maybe_cache(ctx
->snapset_obc
, ctx
, ctx
->op_t
.get(), attrs
);
7605 ctx
->at_version
.version
++;
7609 // finish and log the op.
7610 if (ctx
->user_modify
) {
7611 // update the user_version for any modify ops, except for the watch op
7612 ctx
->user_at_version
= MAX(info
.last_user_version
, ctx
->new_obs
.oi
.user_version
) + 1;
7613 /* In order for new clients and old clients to interoperate properly
7614 * when exchanging versions, we need to lower bound the user_version
7615 * (which our new clients pay proper attention to)
7616 * by the at_version (which is all the old clients can ever see). */
7617 if (ctx
->at_version
.version
> ctx
->user_at_version
)
7618 ctx
->user_at_version
= ctx
->at_version
.version
;
7619 ctx
->new_obs
.oi
.user_version
= ctx
->user_at_version
;
7621 ctx
->bytes_written
= ctx
->op_t
->get_bytes_written();
7623 if (ctx
->new_obs
.exists
) {
7624 // on the head object
7625 ctx
->new_obs
.oi
.version
= ctx
->at_version
;
7626 ctx
->new_obs
.oi
.prior_version
= ctx
->obs
->oi
.version
;
7627 ctx
->new_obs
.oi
.last_reqid
= ctx
->reqid
;
7628 if (ctx
->mtime
!= utime_t()) {
7629 ctx
->new_obs
.oi
.mtime
= ctx
->mtime
;
7630 dout(10) << " set mtime to " << ctx
->new_obs
.oi
.mtime
<< dendl
;
7631 ctx
->new_obs
.oi
.local_mtime
= now
;
7633 dout(10) << " mtime unchanged at " << ctx
->new_obs
.oi
.mtime
<< dendl
;
7636 map
<string
, bufferlist
> attrs
;
7637 bufferlist
bv(sizeof(ctx
->new_obs
.oi
));
7638 ::encode(ctx
->new_obs
.oi
, bv
,
7639 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7640 attrs
[OI_ATTR
].claim(bv
);
7642 if (soid
.snap
== CEPH_NOSNAP
) {
7643 dout(10) << " final snapset " << ctx
->new_snapset
7644 << " in " << soid
<< dendl
;
7645 attrs
[SS_ATTR
].claim(bss
);
7647 dout(10) << " no snapset (this is a clone)" << dendl
;
7649 ctx
->op_t
->setattrs(soid
, attrs
);
7651 ctx
->new_obs
.oi
= object_info_t(ctx
->obc
->obs
.oi
.soid
);
7654 bool legacy_snapset
= ctx
->new_snapset
.is_legacy() ||
7655 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
7658 ctx
->log
.push_back(pg_log_entry_t(log_op_type
, soid
, ctx
->at_version
,
7659 ctx
->obs
->oi
.version
,
7660 ctx
->user_at_version
, ctx
->reqid
,
7662 if (soid
.snap
< CEPH_NOSNAP
) {
7663 switch (log_op_type
) {
7664 case pg_log_entry_t::MODIFY
:
7665 case pg_log_entry_t::PROMOTE
:
7666 case pg_log_entry_t::CLEAN
:
7667 if (legacy_snapset
) {
7668 dout(20) << __func__
<< " encoding legacy_snaps "
7669 << ctx
->new_obs
.oi
.legacy_snaps
7671 ::encode(ctx
->new_obs
.oi
.legacy_snaps
, ctx
->log
.back().snaps
);
7673 dout(20) << __func__
<< " encoding snaps from " << ctx
->new_snapset
7675 ::encode(ctx
->new_snapset
.clone_snaps
[soid
.snap
], ctx
->log
.back().snaps
);
7683 if (!ctx
->extra_reqids
.empty()) {
7684 dout(20) << __func__
<< " extra_reqids " << ctx
->extra_reqids
<< dendl
;
7685 ctx
->log
.back().extra_reqids
.swap(ctx
->extra_reqids
);
7688 // apply new object state.
7689 ctx
->obc
->obs
= ctx
->new_obs
;
7691 if (soid
.is_head() && !ctx
->obc
->obs
.exists
&&
7692 (!maintain_ssc
|| ctx
->cache_evict
)) {
7693 ctx
->obc
->ssc
->exists
= false;
7694 ctx
->obc
->ssc
->snapset
= SnapSet();
7696 ctx
->obc
->ssc
->exists
= true;
7697 ctx
->obc
->ssc
->snapset
= ctx
->new_snapset
;
7701 void PrimaryLogPG::apply_stats(
7702 const hobject_t
&soid
,
7703 const object_stat_sum_t
&delta_stats
) {
7705 info
.stats
.stats
.add(delta_stats
);
7707 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
7708 i
!= backfill_targets
.end();
7711 pg_info_t
& pinfo
= peer_info
[bt
];
7712 if (soid
<= pinfo
.last_backfill
)
7713 pinfo
.stats
.stats
.add(delta_stats
);
7714 else if (soid
<= last_backfill_started
)
7715 pending_backfill_updates
[soid
].stats
.add(delta_stats
);
7718 if (is_primary() && scrubber
.active
) {
7719 if (soid
< scrubber
.start
) {
7720 dout(20) << __func__
<< " " << soid
<< " < [" << scrubber
.start
7721 << "," << scrubber
.end
<< ")" << dendl
;
7722 scrub_cstat
.add(delta_stats
);
7724 dout(20) << __func__
<< " " << soid
<< " >= [" << scrubber
.start
7725 << "," << scrubber
.end
<< ")" << dendl
;
7730 void PrimaryLogPG::complete_read_ctx(int result
, OpContext
*ctx
)
7732 const MOSDOp
*m
= static_cast<const MOSDOp
*>(ctx
->op
->get_req());
7733 assert(ctx
->async_reads_complete());
7735 for (vector
<OSDOp
>::iterator p
= ctx
->ops
->begin();
7736 p
!= ctx
->ops
->end() && result
>= 0; ++p
) {
7737 if (p
->rval
< 0 && !(p
->op
.flags
& CEPH_OSD_OP_FLAG_FAILOK
)) {
7741 ctx
->bytes_read
+= p
->outdata
.length();
7743 ctx
->reply
->claim_op_out_data(*ctx
->ops
);
7744 ctx
->reply
->get_header().data_off
= (ctx
->data_off
? *ctx
->data_off
: 0);
7746 MOSDOpReply
*reply
= ctx
->reply
;
7747 ctx
->reply
= nullptr;
7750 if (!ctx
->ignore_log_op_stats
) {
7752 publish_stats_to_osd();
7755 // on read, return the current object version
7757 reply
->set_reply_versions(eversion_t(), ctx
->obs
->oi
.user_version
);
7759 reply
->set_reply_versions(eversion_t(), ctx
->user_at_version
);
7761 } else if (result
== -ENOENT
) {
7762 // on ENOENT, set a floor for what the next user version will be.
7763 reply
->set_enoent_reply_versions(info
.last_update
, info
.last_user_version
);
7766 reply
->set_result(result
);
7767 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
7768 osd
->send_message_osd_client(reply
, m
->get_connection());
7772 // ========================================================================
7775 struct C_Copyfrom
: public Context
{
7778 epoch_t last_peering_reset
;
7780 PrimaryLogPG::CopyOpRef cop
;
7781 C_Copyfrom(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
7782 const PrimaryLogPG::CopyOpRef
& c
)
7783 : pg(p
), oid(o
), last_peering_reset(lpr
),
7786 void finish(int r
) override
{
7787 if (r
== -ECANCELED
)
7790 if (last_peering_reset
== pg
->get_last_peering_reset()) {
7791 pg
->process_copy_chunk(oid
, tid
, r
);
7797 struct C_CopyFrom_AsyncReadCb
: public Context
{
7799 object_copy_data_t reply_obj
;
7802 C_CopyFrom_AsyncReadCb(OSDOp
*osd_op
, uint64_t features
) :
7803 osd_op(osd_op
), features(features
), len(0) {}
7804 void finish(int r
) override
{
7811 assert(len
<= reply_obj
.data
.length());
7813 bl
.substr_of(reply_obj
.data
, 0, len
);
7814 reply_obj
.data
.swap(bl
);
7815 ::encode(reply_obj
, osd_op
->outdata
, features
);
7819 int PrimaryLogPG::do_copy_get(OpContext
*ctx
, bufferlist::iterator
& bp
,
7820 OSDOp
& osd_op
, ObjectContextRef
&obc
)
7822 object_info_t
& oi
= obc
->obs
.oi
;
7823 hobject_t
& soid
= oi
.soid
;
7825 object_copy_cursor_t cursor
;
7828 ::decode(cursor
, bp
);
7829 ::decode(out_max
, bp
);
7831 catch (buffer::error
& e
) {
7836 const MOSDOp
*op
= reinterpret_cast<const MOSDOp
*>(ctx
->op
->get_req());
7837 uint64_t features
= op
->get_features();
7839 bool async_read_started
= false;
7840 object_copy_data_t _reply_obj
;
7841 C_CopyFrom_AsyncReadCb
*cb
= NULL
;
7842 if (pool
.info
.require_rollback()) {
7843 cb
= new C_CopyFrom_AsyncReadCb(&osd_op
, features
);
7845 object_copy_data_t
&reply_obj
= cb
? cb
->reply_obj
: _reply_obj
;
7847 reply_obj
.size
= oi
.size
;
7848 reply_obj
.mtime
= oi
.mtime
;
7850 if (soid
.snap
< CEPH_NOSNAP
) {
7851 if (obc
->ssc
->snapset
.is_legacy()) {
7852 reply_obj
.snaps
= oi
.legacy_snaps
;
7854 auto p
= obc
->ssc
->snapset
.clone_snaps
.find(soid
.snap
);
7855 assert(p
!= obc
->ssc
->snapset
.clone_snaps
.end()); // warn?
7856 reply_obj
.snaps
= p
->second
;
7859 reply_obj
.snap_seq
= obc
->ssc
->snapset
.seq
;
7861 if (oi
.is_data_digest()) {
7862 reply_obj
.flags
|= object_copy_data_t::FLAG_DATA_DIGEST
;
7863 reply_obj
.data_digest
= oi
.data_digest
;
7865 if (oi
.is_omap_digest()) {
7866 reply_obj
.flags
|= object_copy_data_t::FLAG_OMAP_DIGEST
;
7867 reply_obj
.omap_digest
= oi
.omap_digest
;
7869 reply_obj
.truncate_seq
= oi
.truncate_seq
;
7870 reply_obj
.truncate_size
= oi
.truncate_size
;
7873 map
<string
,bufferlist
>& out_attrs
= reply_obj
.attrs
;
7874 if (!cursor
.attr_complete
) {
7875 result
= getattrs_maybe_cache(
7884 cursor
.attr_complete
= true;
7885 dout(20) << " got attrs" << dendl
;
7888 int64_t left
= out_max
- osd_op
.outdata
.length();
7891 bufferlist
& bl
= reply_obj
.data
;
7892 if (left
> 0 && !cursor
.data_complete
) {
7893 if (cursor
.data_offset
< oi
.size
) {
7894 uint64_t max_read
= MIN(oi
.size
- cursor
.data_offset
, (uint64_t)left
);
7896 async_read_started
= true;
7897 ctx
->pending_async_reads
.push_back(
7899 boost::make_tuple(cursor
.data_offset
, max_read
, osd_op
.op
.flags
),
7900 make_pair(&bl
, cb
)));
7903 ctx
->op_finishers
[ctx
->current_osd_subop_num
].reset(
7904 new ReadFinisher(osd_op
));
7905 result
= -EINPROGRESS
;
7907 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
7909 result
= pgbackend
->objects_read_sync(
7910 oi
.soid
, cursor
.data_offset
, max_read
, osd_op
.op
.flags
, &bl
);
7915 cursor
.data_offset
+= max_read
;
7917 if (cursor
.data_offset
== oi
.size
) {
7918 cursor
.data_complete
= true;
7919 dout(20) << " got data" << dendl
;
7921 assert(cursor
.data_offset
<= oi
.size
);
7925 uint32_t omap_keys
= 0;
7926 if (!pool
.info
.supports_omap() || !oi
.is_omap()) {
7927 cursor
.omap_complete
= true;
7929 if (left
> 0 && !cursor
.omap_complete
) {
7930 assert(cursor
.data_complete
);
7931 if (cursor
.omap_offset
.empty()) {
7932 osd
->store
->omap_get_header(ch
, ghobject_t(oi
.soid
),
7933 &reply_obj
.omap_header
);
7935 bufferlist omap_data
;
7936 ObjectMap::ObjectMapIterator iter
=
7937 osd
->store
->get_omap_iterator(coll
, ghobject_t(oi
.soid
));
7939 iter
->upper_bound(cursor
.omap_offset
);
7940 for (; iter
->valid(); iter
->next(false)) {
7942 ::encode(iter
->key(), omap_data
);
7943 ::encode(iter
->value(), omap_data
);
7944 left
-= iter
->key().length() + 4 + iter
->value().length() + 4;
7949 ::encode(omap_keys
, reply_obj
.omap_data
);
7950 reply_obj
.omap_data
.claim_append(omap_data
);
7952 if (iter
->valid()) {
7953 cursor
.omap_offset
= iter
->key();
7955 cursor
.omap_complete
= true;
7956 dout(20) << " got omap" << dendl
;
7961 if (cursor
.is_complete()) {
7962 // include reqids only in the final step. this is a bit fragile
7964 pg_log
.get_log().get_object_reqids(ctx
->obc
->obs
.oi
.soid
, 10, &reply_obj
.reqids
);
7965 dout(20) << " got reqids" << dendl
;
7968 dout(20) << " cursor.is_complete=" << cursor
.is_complete()
7969 << " " << out_attrs
.size() << " attrs"
7970 << " " << bl
.length() << " bytes"
7971 << " " << reply_obj
.omap_header
.length() << " omap header bytes"
7972 << " " << reply_obj
.omap_data
.length() << " omap data bytes in "
7973 << omap_keys
<< " keys"
7974 << " " << reply_obj
.reqids
.size() << " reqids"
7976 reply_obj
.cursor
= cursor
;
7977 if (!async_read_started
) {
7978 ::encode(reply_obj
, osd_op
.outdata
, features
);
7980 if (cb
&& !async_read_started
) {
7990 void PrimaryLogPG::fill_in_copy_get_noent(OpRequestRef
& op
, hobject_t oid
,
7993 // NOTE: we take non-const ref here for claim_op_out_data below; we must
7994 // be careful not to modify anything else that will upset a racing
7996 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
7997 uint64_t features
= m
->get_features();
7998 object_copy_data_t reply_obj
;
8000 pg_log
.get_log().get_object_reqids(oid
, 10, &reply_obj
.reqids
);
8001 dout(20) << __func__
<< " got reqids " << reply_obj
.reqids
<< dendl
;
8002 ::encode(reply_obj
, osd_op
.outdata
, features
);
8003 osd_op
.rval
= -ENOENT
;
8004 MOSDOpReply
*reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, false);
8005 reply
->claim_op_out_data(m
->ops
);
8006 reply
->set_result(-ENOENT
);
8007 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
8008 osd
->send_message_osd_client(reply
, m
->get_connection());
8011 void PrimaryLogPG::start_copy(CopyCallback
*cb
, ObjectContextRef obc
,
8012 hobject_t src
, object_locator_t oloc
,
8013 version_t version
, unsigned flags
,
8014 bool mirror_snapset
,
8015 unsigned src_obj_fadvise_flags
,
8016 unsigned dest_obj_fadvise_flags
)
8018 const hobject_t
& dest
= obc
->obs
.oi
.soid
;
8019 dout(10) << __func__
<< " " << dest
8020 << " from " << src
<< " " << oloc
<< " v" << version
8021 << " flags " << flags
8022 << (mirror_snapset
? " mirror_snapset" : "")
8025 assert(!mirror_snapset
|| (src
.snap
== CEPH_NOSNAP
||
8026 src
.snap
== CEPH_SNAPDIR
));
8028 // cancel a previous in-progress copy?
8029 if (copy_ops
.count(dest
)) {
8030 // FIXME: if the src etc match, we could avoid restarting from the
8032 CopyOpRef cop
= copy_ops
[dest
];
8033 vector
<ceph_tid_t
> tids
;
8034 cancel_copy(cop
, false, &tids
);
8035 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
8038 CopyOpRef
cop(std::make_shared
<CopyOp
>(cb
, obc
, src
, oloc
, version
, flags
,
8039 mirror_snapset
, src_obj_fadvise_flags
,
8040 dest_obj_fadvise_flags
));
8041 copy_ops
[dest
] = cop
;
8044 _copy_some(obc
, cop
);
8047 void PrimaryLogPG::_copy_some(ObjectContextRef obc
, CopyOpRef cop
)
8049 dout(10) << __func__
<< " " << obc
<< " " << cop
<< dendl
;
8052 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_FLUSH
)
8053 flags
|= CEPH_OSD_FLAG_FLUSH
;
8054 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
)
8055 flags
|= CEPH_OSD_FLAG_IGNORE_CACHE
;
8056 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
)
8057 flags
|= CEPH_OSD_FLAG_IGNORE_OVERLAY
;
8058 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
)
8059 flags
|= CEPH_OSD_FLAG_MAP_SNAP_CLONE
;
8060 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_RWORDERED
)
8061 flags
|= CEPH_OSD_FLAG_RWORDERED
;
8063 C_GatherBuilder
gather(cct
);
8065 if (cop
->cursor
.is_initial() && cop
->mirror_snapset
) {
8067 assert(cop
->src
.snap
== CEPH_NOSNAP
);
8069 op
.list_snaps(&cop
->results
.snapset
, NULL
);
8070 ceph_tid_t tid
= osd
->objecter
->read(cop
->src
.oid
, cop
->oloc
, op
,
8072 flags
, gather
.new_sub(), NULL
);
8073 cop
->objecter_tid2
= tid
;
8077 if (cop
->results
.user_version
) {
8078 op
.assert_version(cop
->results
.user_version
);
8080 // we should learn the version after the first chunk, if we didn't know
8082 assert(cop
->cursor
.is_initial());
8084 op
.copy_get(&cop
->cursor
, get_copy_chunk_size(),
8085 &cop
->results
.object_size
, &cop
->results
.mtime
,
8086 &cop
->attrs
, &cop
->data
, &cop
->omap_header
, &cop
->omap_data
,
8087 &cop
->results
.snaps
, &cop
->results
.snap_seq
,
8088 &cop
->results
.flags
,
8089 &cop
->results
.source_data_digest
,
8090 &cop
->results
.source_omap_digest
,
8091 &cop
->results
.reqids
,
8092 &cop
->results
.truncate_seq
,
8093 &cop
->results
.truncate_size
,
8095 op
.set_last_op_flags(cop
->src_obj_fadvise_flags
);
8097 C_Copyfrom
*fin
= new C_Copyfrom(this, obc
->obs
.oi
.soid
,
8098 get_last_peering_reset(), cop
);
8099 gather
.set_finisher(new C_OnFinisher(fin
,
8100 &osd
->objecter_finisher
));
8102 ceph_tid_t tid
= osd
->objecter
->read(cop
->src
.oid
, cop
->oloc
, op
,
8103 cop
->src
.snap
, NULL
,
8106 // discover the object version if we don't know it yet
8107 cop
->results
.user_version
? NULL
: &cop
->results
.user_version
);
8109 cop
->objecter_tid
= tid
;
8113 void PrimaryLogPG::process_copy_chunk(hobject_t oid
, ceph_tid_t tid
, int r
)
8115 vector
<ceph_tid_t
> tids
;
8116 dout(10) << __func__
<< " " << oid
<< " tid " << tid
8117 << " " << cpp_strerror(r
) << dendl
;
8118 map
<hobject_t
,CopyOpRef
>::iterator p
= copy_ops
.find(oid
);
8119 if (p
== copy_ops
.end()) {
8120 dout(10) << __func__
<< " no copy_op found" << dendl
;
8123 CopyOpRef cop
= p
->second
;
8124 if (tid
!= cop
->objecter_tid
) {
8125 dout(10) << __func__
<< " tid " << tid
<< " != cop " << cop
8126 << " tid " << cop
->objecter_tid
<< dendl
;
8130 if (cop
->omap_data
.length() || cop
->omap_header
.length())
8131 cop
->results
.has_omap
= true;
8133 if (r
>= 0 && !pool
.info
.supports_omap() &&
8134 (cop
->omap_data
.length() || cop
->omap_header
.length())) {
8137 cop
->objecter_tid
= 0;
8138 cop
->objecter_tid2
= 0; // assume this ordered before us (if it happened)
8139 ObjectContextRef
& cobc
= cop
->obc
;
8144 assert(cop
->rval
>= 0);
8146 if (oid
.snap
< CEPH_NOSNAP
&& !cop
->results
.snaps
.empty()) {
8147 // verify snap hasn't been deleted
8148 vector
<snapid_t
>::iterator p
= cop
->results
.snaps
.begin();
8149 while (p
!= cop
->results
.snaps
.end()) {
8150 if (pool
.info
.is_removed_snap(*p
)) {
8151 dout(10) << __func__
<< " clone snap " << *p
<< " has been deleted"
8153 for (vector
<snapid_t
>::iterator q
= p
+ 1;
8154 q
!= cop
->results
.snaps
.end();
8157 cop
->results
.snaps
.resize(cop
->results
.snaps
.size() - 1);
8162 if (cop
->results
.snaps
.empty()) {
8163 dout(10) << __func__
<< " no more snaps for " << oid
<< dendl
;
8169 assert(cop
->rval
>= 0);
8171 if (!cop
->temp_cursor
.data_complete
) {
8172 cop
->results
.data_digest
= cop
->data
.crc32c(cop
->results
.data_digest
);
8174 if (pool
.info
.supports_omap() && !cop
->temp_cursor
.omap_complete
) {
8175 if (cop
->omap_header
.length()) {
8176 cop
->results
.omap_digest
=
8177 cop
->omap_header
.crc32c(cop
->results
.omap_digest
);
8179 if (cop
->omap_data
.length()) {
8181 keys
.substr_of(cop
->omap_data
, 4, cop
->omap_data
.length() - 4);
8182 cop
->results
.omap_digest
= keys
.crc32c(cop
->results
.omap_digest
);
8186 if (!cop
->temp_cursor
.attr_complete
) {
8187 for (map
<string
,bufferlist
>::iterator p
= cop
->attrs
.begin();
8188 p
!= cop
->attrs
.end();
8190 cop
->results
.attrs
[string("_") + p
->first
] = p
->second
;
8195 if (!cop
->cursor
.is_complete()) {
8196 // write out what we have so far
8197 if (cop
->temp_cursor
.is_initial()) {
8198 assert(!cop
->results
.started_temp_obj
);
8199 cop
->results
.started_temp_obj
= true;
8200 cop
->results
.temp_oid
= generate_temp_object(oid
);
8201 dout(20) << __func__
<< " using temp " << cop
->results
.temp_oid
<< dendl
;
8203 ObjectContextRef tempobc
= get_object_context(cop
->results
.temp_oid
, true);
8204 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8205 if (cop
->temp_cursor
.is_initial()) {
8206 ctx
->new_temp_oid
= cop
->results
.temp_oid
;
8208 _write_copy_chunk(cop
, ctx
->op_t
.get());
8209 simple_opc_submit(std::move(ctx
));
8210 dout(10) << __func__
<< " fetching more" << dendl
;
8211 _copy_some(cobc
, cop
);
8216 if (cop
->results
.is_data_digest() || cop
->results
.is_omap_digest()) {
8217 dout(20) << __func__
<< std::hex
8218 << " got digest: rx data 0x" << cop
->results
.data_digest
8219 << " omap 0x" << cop
->results
.omap_digest
8220 << ", source: data 0x" << cop
->results
.source_data_digest
8221 << " omap 0x" << cop
->results
.source_omap_digest
8223 << " flags " << cop
->results
.flags
8226 if (cop
->results
.is_data_digest() &&
8227 cop
->results
.data_digest
!= cop
->results
.source_data_digest
) {
8228 derr
<< __func__
<< std::hex
<< " data digest 0x" << cop
->results
.data_digest
8229 << " != source 0x" << cop
->results
.source_data_digest
<< std::dec
8231 osd
->clog
->error() << info
.pgid
<< " copy from " << cop
->src
8232 << " to " << cop
->obc
->obs
.oi
.soid
<< std::hex
8233 << " data digest 0x" << cop
->results
.data_digest
8234 << " != source 0x" << cop
->results
.source_data_digest
8239 if (cop
->results
.is_omap_digest() &&
8240 cop
->results
.omap_digest
!= cop
->results
.source_omap_digest
) {
8241 derr
<< __func__
<< std::hex
8242 << " omap digest 0x" << cop
->results
.omap_digest
8243 << " != source 0x" << cop
->results
.source_omap_digest
8244 << std::dec
<< dendl
;
8245 osd
->clog
->error() << info
.pgid
<< " copy from " << cop
->src
8246 << " to " << cop
->obc
->obs
.oi
.soid
<< std::hex
8247 << " omap digest 0x" << cop
->results
.omap_digest
8248 << " != source 0x" << cop
->results
.source_omap_digest
8253 if (cct
->_conf
->osd_debug_inject_copyfrom_error
) {
8254 derr
<< __func__
<< " injecting copyfrom failure" << dendl
;
8259 cop
->results
.fill_in_final_tx
= std::function
<void(PGTransaction
*)>(
8260 [this, &cop
/* avoid ref cycle */](PGTransaction
*t
) {
8261 ObjectState
& obs
= cop
->obc
->obs
;
8262 if (cop
->temp_cursor
.is_initial()) {
8263 dout(20) << "fill_in_final_tx: writing "
8264 << "directly to final object" << dendl
;
8265 // write directly to final object
8266 cop
->results
.temp_oid
= obs
.oi
.soid
;
8267 _write_copy_chunk(cop
, t
);
8269 // finish writing to temp object, then move into place
8270 dout(20) << "fill_in_final_tx: writing to temp object" << dendl
;
8271 _write_copy_chunk(cop
, t
);
8272 t
->rename(obs
.oi
.soid
, cop
->results
.temp_oid
);
8274 t
->setattrs(obs
.oi
.soid
, cop
->results
.attrs
);
8277 dout(20) << __func__
<< " success; committing" << dendl
;
8280 dout(20) << __func__
<< " complete r = " << cpp_strerror(r
) << dendl
;
8281 CopyCallbackResults
results(r
, &cop
->results
);
8282 cop
->cb
->complete(results
);
8284 copy_ops
.erase(cobc
->obs
.oi
.soid
);
8287 if (r
< 0 && cop
->results
.started_temp_obj
) {
8288 dout(10) << __func__
<< " deleting partial temp object "
8289 << cop
->results
.temp_oid
<< dendl
;
8290 ObjectContextRef tempobc
= get_object_context(cop
->results
.temp_oid
, true);
8291 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8292 ctx
->op_t
->remove(cop
->results
.temp_oid
);
8293 ctx
->discard_temp_oid
= cop
->results
.temp_oid
;
8294 simple_opc_submit(std::move(ctx
));
8297 // cancel and requeue proxy ops on this object
8299 for (map
<ceph_tid_t
, ProxyReadOpRef
>::iterator it
= proxyread_ops
.begin();
8300 it
!= proxyread_ops
.end();) {
8301 if (it
->second
->soid
== cobc
->obs
.oi
.soid
) {
8302 cancel_proxy_read((it
++)->second
, &tids
);
8307 for (map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator it
= proxywrite_ops
.begin();
8308 it
!= proxywrite_ops
.end();) {
8309 if (it
->second
->soid
== cobc
->obs
.oi
.soid
) {
8310 cancel_proxy_write((it
++)->second
, &tids
);
8315 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
8316 kick_proxy_ops_blocked(cobc
->obs
.oi
.soid
);
8319 kick_object_context_blocked(cobc
);
8322 void PrimaryLogPG::cancel_and_requeue_proxy_ops(hobject_t oid
) {
8323 vector
<ceph_tid_t
> tids
;
8324 for (map
<ceph_tid_t
, ProxyReadOpRef
>::iterator it
= proxyread_ops
.begin();
8325 it
!= proxyread_ops
.end();) {
8326 if (it
->second
->soid
== oid
) {
8327 cancel_proxy_read((it
++)->second
, &tids
);
8332 for (map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator it
= proxywrite_ops
.begin();
8333 it
!= proxywrite_ops
.end();) {
8334 if (it
->second
->soid
== oid
) {
8335 cancel_proxy_write((it
++)->second
, &tids
);
8340 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
8341 kick_proxy_ops_blocked(oid
);
8344 void PrimaryLogPG::_write_copy_chunk(CopyOpRef cop
, PGTransaction
*t
)
8346 dout(20) << __func__
<< " " << cop
8347 << " " << cop
->attrs
.size() << " attrs"
8348 << " " << cop
->data
.length() << " bytes"
8349 << " " << cop
->omap_header
.length() << " omap header bytes"
8350 << " " << cop
->omap_data
.length() << " omap data bytes"
8352 if (!cop
->temp_cursor
.attr_complete
) {
8353 t
->create(cop
->results
.temp_oid
);
8355 if (!cop
->temp_cursor
.data_complete
) {
8356 assert(cop
->data
.length() + cop
->temp_cursor
.data_offset
==
8357 cop
->cursor
.data_offset
);
8358 if (pool
.info
.requires_aligned_append() &&
8359 !cop
->cursor
.data_complete
) {
8361 * Trim off the unaligned bit at the end, we'll adjust cursor.data_offset
8362 * to pick it up on the next pass.
8364 assert(cop
->temp_cursor
.data_offset
%
8365 pool
.info
.required_alignment() == 0);
8366 if (cop
->data
.length() % pool
.info
.required_alignment() != 0) {
8368 cop
->data
.length() % pool
.info
.required_alignment();
8370 bl
.substr_of(cop
->data
, 0, cop
->data
.length() - to_trim
);
8372 cop
->cursor
.data_offset
-= to_trim
;
8373 assert(cop
->data
.length() + cop
->temp_cursor
.data_offset
==
8374 cop
->cursor
.data_offset
);
8377 if (cop
->data
.length()) {
8379 cop
->results
.temp_oid
,
8380 cop
->temp_cursor
.data_offset
,
8383 cop
->dest_obj_fadvise_flags
);
8387 if (pool
.info
.supports_omap()) {
8388 if (!cop
->temp_cursor
.omap_complete
) {
8389 if (cop
->omap_header
.length()) {
8391 cop
->results
.temp_oid
,
8393 cop
->omap_header
.clear();
8395 if (cop
->omap_data
.length()) {
8396 map
<string
,bufferlist
> omap
;
8397 bufferlist::iterator p
= cop
->omap_data
.begin();
8399 t
->omap_setkeys(cop
->results
.temp_oid
, omap
);
8400 cop
->omap_data
.clear();
8404 assert(cop
->omap_header
.length() == 0);
8405 assert(cop
->omap_data
.length() == 0);
8407 cop
->temp_cursor
= cop
->cursor
;
8410 void PrimaryLogPG::finish_copyfrom(CopyFromCallback
*cb
)
8412 OpContext
*ctx
= cb
->ctx
;
8413 dout(20) << "finish_copyfrom on " << ctx
->obs
->oi
.soid
<< dendl
;
8415 ObjectState
& obs
= ctx
->new_obs
;
8417 dout(20) << __func__
<< ": exists, removing" << dendl
;
8418 ctx
->op_t
->remove(obs
.oi
.soid
);
8420 ctx
->delta_stats
.num_objects
++;
8423 if (cb
->is_temp_obj_used()) {
8424 ctx
->discard_temp_oid
= cb
->results
->temp_oid
;
8426 cb
->results
->fill_in_final_tx(ctx
->op_t
.get());
8428 // CopyFromCallback fills this in for us
8429 obs
.oi
.user_version
= ctx
->user_at_version
;
8431 obs
.oi
.set_data_digest(cb
->results
->data_digest
);
8432 obs
.oi
.set_omap_digest(cb
->results
->omap_digest
);
8434 obs
.oi
.truncate_seq
= cb
->results
->truncate_seq
;
8435 obs
.oi
.truncate_size
= cb
->results
->truncate_size
;
8437 ctx
->extra_reqids
= cb
->results
->reqids
;
8439 // cache: clear whiteout?
8440 if (obs
.oi
.is_whiteout()) {
8441 dout(10) << __func__
<< " clearing whiteout on " << obs
.oi
.soid
<< dendl
;
8442 obs
.oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
8443 --ctx
->delta_stats
.num_whiteouts
;
8446 if (cb
->results
->has_omap
) {
8447 dout(10) << __func__
<< " setting omap flag on " << obs
.oi
.soid
<< dendl
;
8448 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
8450 dout(10) << __func__
<< " clearing omap flag on " << obs
.oi
.soid
<< dendl
;
8451 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
8454 interval_set
<uint64_t> ch
;
8455 if (obs
.oi
.size
> 0)
8456 ch
.insert(0, obs
.oi
.size
);
8457 ctx
->modified_ranges
.union_of(ch
);
8459 if (cb
->get_data_size() != obs
.oi
.size
) {
8460 ctx
->delta_stats
.num_bytes
-= obs
.oi
.size
;
8461 obs
.oi
.size
= cb
->get_data_size();
8462 ctx
->delta_stats
.num_bytes
+= obs
.oi
.size
;
8464 ctx
->delta_stats
.num_wr
++;
8465 ctx
->delta_stats
.num_wr_kb
+= SHIFT_ROUND_UP(obs
.oi
.size
, 10);
8467 osd
->logger
->inc(l_osd_copyfrom
);
8470 void PrimaryLogPG::finish_promote(int r
, CopyResults
*results
,
8471 ObjectContextRef obc
)
8473 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
8474 dout(10) << __func__
<< " " << soid
<< " r=" << r
8475 << " uv" << results
->user_version
<< dendl
;
8477 if (r
== -ECANCELED
) {
8481 if (r
!= -ENOENT
&& soid
.is_snap()) {
8482 if (results
->snaps
.empty()) {
8483 // we must have read "snap" content from the head object in
8484 // the base pool. use snap_seq to construct what snaps should
8485 // be for this clone (what is was before we evicted the clean
8486 // clone from this pool, and what it will be when we flush and
8487 // the clone eventually happens in the base pool).
8488 SnapSet
& snapset
= obc
->ssc
->snapset
;
8489 vector
<snapid_t
>::iterator p
= snapset
.snaps
.begin();
8490 while (p
!= snapset
.snaps
.end() && *p
> soid
.snap
)
8492 while (p
!= snapset
.snaps
.end() && *p
> results
->snap_seq
) {
8493 results
->snaps
.push_back(*p
);
8498 dout(20) << __func__
<< " snaps " << results
->snaps
<< dendl
;
8499 filter_snapc(results
->snaps
);
8501 dout(20) << __func__
<< " filtered snaps " << results
->snaps
<< dendl
;
8502 if (results
->snaps
.empty()) {
8503 dout(20) << __func__
8504 << " snaps are empty, clone is invalid,"
8505 << " setting r to ENOENT" << dendl
;
8510 if (r
< 0 && results
->started_temp_obj
) {
8511 dout(10) << __func__
<< " abort; will clean up partial work" << dendl
;
8512 ObjectContextRef tempobc
= get_object_context(results
->temp_oid
, false);
8514 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8515 ctx
->op_t
->remove(results
->temp_oid
);
8516 simple_opc_submit(std::move(ctx
));
8517 results
->started_temp_obj
= false;
8520 if (r
== -ENOENT
&& soid
.is_snap()) {
8521 dout(10) << __func__
8522 << ": enoent while trying to promote clone, " << soid
8523 << " must have been trimmed, removing from snapset"
8525 hobject_t
head(soid
.get_head());
8526 ObjectContextRef obc
= get_object_context(head
, false);
8529 OpContextUPtr tctx
= simple_opc_create(obc
);
8530 tctx
->at_version
= get_next_version();
8531 filter_snapc(tctx
->new_snapset
.snaps
);
8532 vector
<snapid_t
> new_clones
;
8533 map
<snapid_t
, vector
<snapid_t
>> new_clone_snaps
;
8534 for (vector
<snapid_t
>::iterator i
= tctx
->new_snapset
.clones
.begin();
8535 i
!= tctx
->new_snapset
.clones
.end();
8537 if (*i
!= soid
.snap
) {
8538 new_clones
.push_back(*i
);
8539 auto p
= tctx
->new_snapset
.clone_snaps
.find(*i
);
8540 if (p
!= tctx
->new_snapset
.clone_snaps
.end()) {
8541 new_clone_snaps
[*i
] = p
->second
;
8545 tctx
->new_snapset
.clones
.swap(new_clones
);
8546 tctx
->new_snapset
.clone_overlap
.erase(soid
.snap
);
8547 tctx
->new_snapset
.clone_size
.erase(soid
.snap
);
8548 tctx
->new_snapset
.clone_snaps
.swap(new_clone_snaps
);
8550 // take RWWRITE lock for duration of our local write. ignore starvation.
8551 if (!tctx
->lock_manager
.take_write_lock(
8554 assert(0 == "problem!");
8556 dout(20) << __func__
<< " took lock on obc, " << obc
->rwstate
<< dendl
;
8558 finish_ctx(tctx
.get(), pg_log_entry_t::PROMOTE
);
8560 simple_opc_submit(std::move(tctx
));
8564 bool whiteout
= false;
8566 assert(soid
.snap
== CEPH_NOSNAP
); // snap case is above
8567 dout(10) << __func__
<< " whiteout " << soid
<< dendl
;
8571 if (r
< 0 && !whiteout
) {
8572 derr
<< __func__
<< " unexpected promote error " << cpp_strerror(r
) << dendl
;
8573 // pass error to everyone blocked on this object
8574 // FIXME: this is pretty sloppy, but at this point we got
8575 // something unexpected and don't have many other options.
8576 map
<hobject_t
,list
<OpRequestRef
>>::iterator blocked_iter
=
8577 waiting_for_blocked_object
.find(soid
);
8578 if (blocked_iter
!= waiting_for_blocked_object
.end()) {
8579 while (!blocked_iter
->second
.empty()) {
8580 osd
->reply_op_error(blocked_iter
->second
.front(), r
);
8581 blocked_iter
->second
.pop_front();
8583 waiting_for_blocked_object
.erase(blocked_iter
);
8588 osd
->promote_finish(results
->object_size
);
8590 OpContextUPtr tctx
= simple_opc_create(obc
);
8591 tctx
->at_version
= get_next_version();
8593 ++tctx
->delta_stats
.num_objects
;
8594 if (soid
.snap
< CEPH_NOSNAP
)
8595 ++tctx
->delta_stats
.num_object_clones
;
8596 tctx
->new_obs
.exists
= true;
8598 tctx
->extra_reqids
= results
->reqids
;
8600 bool legacy_snapset
= tctx
->new_snapset
.is_legacy() ||
8601 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
8604 // create a whiteout
8605 tctx
->op_t
->create(soid
);
8606 tctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
8607 ++tctx
->delta_stats
.num_whiteouts
;
8608 dout(20) << __func__
<< " creating whiteout on " << soid
<< dendl
;
8609 osd
->logger
->inc(l_osd_tier_whiteout
);
8611 if (results
->has_omap
) {
8612 dout(10) << __func__
<< " setting omap flag on " << soid
<< dendl
;
8613 tctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
8614 ++tctx
->delta_stats
.num_objects_omap
;
8617 results
->fill_in_final_tx(tctx
->op_t
.get());
8618 if (results
->started_temp_obj
) {
8619 tctx
->discard_temp_oid
= results
->temp_oid
;
8621 tctx
->new_obs
.oi
.size
= results
->object_size
;
8622 tctx
->new_obs
.oi
.user_version
= results
->user_version
;
8623 // Don't care src object whether have data or omap digest
8624 if (results
->object_size
)
8625 tctx
->new_obs
.oi
.set_data_digest(results
->data_digest
);
8626 if (results
->has_omap
)
8627 tctx
->new_obs
.oi
.set_omap_digest(results
->omap_digest
);
8628 tctx
->new_obs
.oi
.truncate_seq
= results
->truncate_seq
;
8629 tctx
->new_obs
.oi
.truncate_size
= results
->truncate_size
;
8631 if (soid
.snap
!= CEPH_NOSNAP
) {
8632 if (legacy_snapset
) {
8633 tctx
->new_obs
.oi
.legacy_snaps
= results
->snaps
;
8634 assert(!tctx
->new_obs
.oi
.legacy_snaps
.empty());
8636 // it's already in the snapset
8637 assert(obc
->ssc
->snapset
.clone_snaps
.count(soid
.snap
));
8639 assert(obc
->ssc
->snapset
.clone_size
.count(soid
.snap
));
8640 assert(obc
->ssc
->snapset
.clone_size
[soid
.snap
] ==
8641 results
->object_size
);
8642 assert(obc
->ssc
->snapset
.clone_overlap
.count(soid
.snap
));
8644 tctx
->delta_stats
.num_bytes
+= obc
->ssc
->snapset
.get_clone_bytes(soid
.snap
);
8646 tctx
->delta_stats
.num_bytes
+= results
->object_size
;
8650 if (results
->mirror_snapset
) {
8651 assert(tctx
->new_obs
.oi
.soid
.snap
== CEPH_NOSNAP
);
8652 tctx
->new_snapset
.from_snap_set(
8654 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
);
8656 tctx
->new_snapset
.head_exists
= true;
8657 dout(20) << __func__
<< " new_snapset " << tctx
->new_snapset
<< dendl
;
8659 // take RWWRITE lock for duration of our local write. ignore starvation.
8660 if (!tctx
->lock_manager
.take_write_lock(
8663 assert(0 == "problem!");
8665 dout(20) << __func__
<< " took lock on obc, " << obc
->rwstate
<< dendl
;
8667 finish_ctx(tctx
.get(), pg_log_entry_t::PROMOTE
);
8669 simple_opc_submit(std::move(tctx
));
8671 osd
->logger
->inc(l_osd_tier_promote
);
8674 agent_state
->is_idle())
8675 agent_choose_mode();
8678 void PrimaryLogPG::cancel_copy(CopyOpRef cop
, bool requeue
,
8679 vector
<ceph_tid_t
> *tids
)
8681 dout(10) << __func__
<< " " << cop
->obc
->obs
.oi
.soid
8682 << " from " << cop
->src
<< " " << cop
->oloc
8683 << " v" << cop
->results
.user_version
<< dendl
;
8685 // cancel objecter op, if we can
8686 if (cop
->objecter_tid
) {
8687 tids
->push_back(cop
->objecter_tid
);
8688 cop
->objecter_tid
= 0;
8689 if (cop
->objecter_tid2
) {
8690 tids
->push_back(cop
->objecter_tid2
);
8691 cop
->objecter_tid2
= 0;
8695 copy_ops
.erase(cop
->obc
->obs
.oi
.soid
);
8696 cop
->obc
->stop_block();
8698 kick_object_context_blocked(cop
->obc
);
8699 cop
->results
.should_requeue
= requeue
;
8700 CopyCallbackResults
result(-ECANCELED
, &cop
->results
);
8701 cop
->cb
->complete(result
);
8703 // There may still be an objecter callback referencing this copy op.
8704 // That callback will not need the obc since it's been canceled, and
8705 // we need the obc reference to go away prior to flush.
8706 cop
->obc
= ObjectContextRef();
8709 void PrimaryLogPG::cancel_copy_ops(bool requeue
, vector
<ceph_tid_t
> *tids
)
8711 dout(10) << __func__
<< dendl
;
8712 map
<hobject_t
,CopyOpRef
>::iterator p
= copy_ops
.begin();
8713 while (p
!= copy_ops
.end()) {
8714 // requeue this op? can I queue up all of them?
8715 cancel_copy((p
++)->second
, requeue
, tids
);
8720 // ========================================================================
8723 // Flush a dirty object in the cache tier by writing it back to the
8724 // base tier. The sequence looks like:
8726 // * send a copy-from operation to the base tier to copy the current
8727 // version of the object
8728 // * base tier will pull the object via (perhaps multiple) copy-get(s)
8729 // * on completion, we check if the object has been modified. if so,
8730 // just reply with -EAGAIN.
8731 // * try to take a write lock so we can clear the dirty flag. if this
8732 // fails, wait and retry
8733 // * start a repop that clears the bit.
8735 // If we have to wait, we will retry by coming back through the
8736 // start_flush method. We check if a flush is already in progress
8737 // and, if so, try to finish it by rechecking the version and trying
8738 // to clear the dirty bit.
8740 // In order for the cache-flush (a write op) to not block the copy-get
8741 // from reading the object, the client *must* set the SKIPRWLOCKS
8744 // NOTE: normally writes are strictly ordered for the client, but
8745 // flushes are special in that they can be reordered with respect to
8746 // other writes. In particular, we can't have a flush request block
8747 // an update to the cache pool object!
8749 struct C_Flush
: public Context
{
8752 epoch_t last_peering_reset
;
8755 C_Flush(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
)
8756 : pg(p
), oid(o
), last_peering_reset(lpr
),
8757 tid(0), start(ceph_clock_now())
8759 void finish(int r
) override
{
8760 if (r
== -ECANCELED
)
8763 if (last_peering_reset
== pg
->get_last_peering_reset()) {
8764 pg
->finish_flush(oid
, tid
, r
);
8765 pg
->osd
->logger
->tinc(l_osd_tier_flush_lat
, ceph_clock_now() - start
);
8771 int PrimaryLogPG::start_flush(
8772 OpRequestRef op
, ObjectContextRef obc
,
8773 bool blocking
, hobject_t
*pmissing
,
8774 boost::optional
<std::function
<void()>> &&on_flush
)
8776 const object_info_t
& oi
= obc
->obs
.oi
;
8777 const hobject_t
& soid
= oi
.soid
;
8778 dout(10) << __func__
<< " " << soid
8779 << " v" << oi
.version
8780 << " uv" << oi
.user_version
8781 << " " << (blocking
? "blocking" : "non-blocking/best-effort")
8784 // get a filtered snapset, need to remove removed snaps
8785 SnapSet snapset
= obc
->ssc
->snapset
.get_filtered(pool
.info
);
8787 // verify there are no (older) check for dirty clones
8789 dout(20) << " snapset " << snapset
<< dendl
;
8790 vector
<snapid_t
>::reverse_iterator p
= snapset
.clones
.rbegin();
8791 while (p
!= snapset
.clones
.rend() && *p
>= soid
.snap
)
8793 if (p
!= snapset
.clones
.rend()) {
8794 hobject_t next
= soid
;
8796 assert(next
.snap
< soid
.snap
);
8797 if (pg_log
.get_missing().is_missing(next
)) {
8798 dout(10) << __func__
<< " missing clone is " << next
<< dendl
;
8803 ObjectContextRef older_obc
= get_object_context(next
, false);
8805 dout(20) << __func__
<< " next oldest clone is " << older_obc
->obs
.oi
8807 if (older_obc
->obs
.oi
.is_dirty()) {
8808 dout(10) << __func__
<< " next oldest clone is dirty: "
8809 << older_obc
->obs
.oi
<< dendl
;
8813 dout(20) << __func__
<< " next oldest clone " << next
8814 << " is not present; implicitly clean" << dendl
;
8817 dout(20) << __func__
<< " no older clones" << dendl
;
8824 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(soid
);
8825 if (p
!= flush_ops
.end()) {
8826 FlushOpRef fop
= p
->second
;
8827 if (fop
->op
== op
) {
8828 // we couldn't take the write lock on a cache-try-flush before;
8829 // now we are trying again for the lock.
8830 return try_flush_mark_clean(fop
);
8832 if (fop
->flushed_version
== obc
->obs
.oi
.user_version
&&
8833 (fop
->blocking
|| !blocking
)) {
8834 // nonblocking can join anything
8835 // blocking can only join a blocking flush
8836 dout(20) << __func__
<< " piggybacking on existing flush " << dendl
;
8838 fop
->dup_ops
.push_back(op
);
8839 return -EAGAIN
; // clean up this ctx; op will retry later
8842 // cancel current flush since it will fail anyway, or because we
8843 // are blocking and the existing flush is nonblocking.
8844 dout(20) << __func__
<< " canceling previous flush; it will fail" << dendl
;
8846 osd
->reply_op_error(fop
->op
, -EBUSY
);
8847 while (!fop
->dup_ops
.empty()) {
8848 osd
->reply_op_error(fop
->dup_ops
.front(), -EBUSY
);
8849 fop
->dup_ops
.pop_front();
8851 vector
<ceph_tid_t
> tids
;
8852 cancel_flush(fop
, false, &tids
);
8853 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
8857 * In general, we need to send a delete and a copyfrom.
8858 * Consider snapc 10:[10, 9, 8, 4, 3, 2]:[10(10, 9), 4(4,3,2)]
8859 * where 4 is marked as clean. To flush 10, we have to:
8860 * 1) delete 4:[4,3,2] -- Logically, the object does not exist after 4
8861 * 2) copyfrom 8:[8,4,3,2] -- flush object after snap 8
8863 * There is a complicating case. Supposed there had been a clone 7
8864 * for snaps [7, 6] which has been trimmed since they no longer exist.
8865 * In the base pool, we'd have 5:[4,3,2]:[4(4,3,2)]+head. When we submit
8866 * the delete, the snap will be promoted to 5, and the head will become
8867 * a snapdir. When the copy-from goes through, we'll end up with
8868 * 8:[8,4,3,2]:[4(4,3,2)]+head.
8870 * Another complication is the case where there is an interval change
8871 * after doing the delete and the flush but before marking the object
8872 * clean. We'll happily delete head and then recreate it at the same
8873 * sequence number, which works out ok.
8876 SnapContext snapc
, dsnapc
;
8877 if (snapset
.seq
!= 0) {
8878 if (soid
.snap
== CEPH_NOSNAP
) {
8879 snapc
.seq
= snapset
.seq
;
8880 snapc
.snaps
= snapset
.snaps
;
8882 snapid_t min_included_snap
;
8883 if (snapset
.is_legacy()) {
8884 min_included_snap
= oi
.legacy_snaps
.back();
8886 auto p
= snapset
.clone_snaps
.find(soid
.snap
);
8887 assert(p
!= snapset
.clone_snaps
.end());
8888 min_included_snap
= p
->second
.back();
8890 snapc
= snapset
.get_ssc_as_of(min_included_snap
- 1);
8893 snapid_t prev_snapc
= 0;
8894 for (vector
<snapid_t
>::reverse_iterator citer
= snapset
.clones
.rbegin();
8895 citer
!= snapset
.clones
.rend();
8897 if (*citer
< soid
.snap
) {
8898 prev_snapc
= *citer
;
8903 dsnapc
= snapset
.get_ssc_as_of(prev_snapc
);
8906 object_locator_t
base_oloc(soid
);
8907 base_oloc
.pool
= pool
.info
.tier_of
;
8909 if (dsnapc
.seq
< snapc
.seq
) {
8912 osd
->objecter
->mutate(
8917 ceph::real_clock::from_ceph_timespec(oi
.mtime
),
8918 (CEPH_OSD_FLAG_IGNORE_OVERLAY
|
8919 CEPH_OSD_FLAG_ENFORCE_SNAPC
),
8920 NULL
/* no callback, we'll rely on the ordering w.r.t the next op */);
8923 FlushOpRef
fop(std::make_shared
<FlushOp
>());
8925 fop
->flushed_version
= oi
.user_version
;
8926 fop
->blocking
= blocking
;
8927 fop
->on_flush
= std::move(on_flush
);
8931 if (oi
.is_whiteout()) {
8932 fop
->removal
= true;
8935 object_locator_t
oloc(soid
);
8936 o
.copy_from(soid
.oid
.name
, soid
.snap
, oloc
, oi
.user_version
,
8937 CEPH_OSD_COPY_FROM_FLAG_FLUSH
|
8938 CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
|
8939 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
|
8940 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
,
8941 LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL
|LIBRADOS_OP_FLAG_FADVISE_NOCACHE
);
8943 //mean the base tier don't cache data after this
8944 if (agent_state
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
)
8945 o
.set_last_op_flags(LIBRADOS_OP_FLAG_FADVISE_DONTNEED
);
8947 C_Flush
*fin
= new C_Flush(this, soid
, get_last_peering_reset());
8949 ceph_tid_t tid
= osd
->objecter
->mutate(
8950 soid
.oid
, base_oloc
, o
, snapc
,
8951 ceph::real_clock::from_ceph_timespec(oi
.mtime
),
8952 CEPH_OSD_FLAG_IGNORE_OVERLAY
| CEPH_OSD_FLAG_ENFORCE_SNAPC
,
8953 new C_OnFinisher(fin
,
8954 &osd
->objecter_finisher
));
8955 /* we're under the pg lock and fin->finish() is grabbing that */
8957 fop
->objecter_tid
= tid
;
8959 flush_ops
[soid
] = fop
;
8960 info
.stats
.stats
.sum
.num_flush
++;
8961 info
.stats
.stats
.sum
.num_flush_kb
+= SHIFT_ROUND_UP(oi
.size
, 10);
8962 return -EINPROGRESS
;
8965 void PrimaryLogPG::finish_flush(hobject_t oid
, ceph_tid_t tid
, int r
)
8967 dout(10) << __func__
<< " " << oid
<< " tid " << tid
8968 << " " << cpp_strerror(r
) << dendl
;
8969 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(oid
);
8970 if (p
== flush_ops
.end()) {
8971 dout(10) << __func__
<< " no flush_op found" << dendl
;
8974 FlushOpRef fop
= p
->second
;
8975 if (tid
!= fop
->objecter_tid
) {
8976 dout(10) << __func__
<< " tid " << tid
<< " != fop " << fop
8977 << " tid " << fop
->objecter_tid
<< dendl
;
8980 ObjectContextRef obc
= fop
->obc
;
8981 fop
->objecter_tid
= 0;
8983 if (r
< 0 && !(r
== -ENOENT
&& fop
->removal
)) {
8985 osd
->reply_op_error(fop
->op
, -EBUSY
);
8986 if (fop
->blocking
) {
8988 kick_object_context_blocked(obc
);
8991 if (!fop
->dup_ops
.empty()) {
8992 dout(20) << __func__
<< " requeueing dups" << dendl
;
8993 requeue_ops(fop
->dup_ops
);
8995 if (fop
->on_flush
) {
8996 (*(fop
->on_flush
))();
8997 fop
->on_flush
= boost::none
;
8999 flush_ops
.erase(oid
);
9003 r
= try_flush_mark_clean(fop
);
9004 if (r
== -EBUSY
&& fop
->op
) {
9005 osd
->reply_op_error(fop
->op
, r
);
9009 int PrimaryLogPG::try_flush_mark_clean(FlushOpRef fop
)
9011 ObjectContextRef obc
= fop
->obc
;
9012 const hobject_t
& oid
= obc
->obs
.oi
.soid
;
9014 if (fop
->blocking
) {
9016 kick_object_context_blocked(obc
);
9019 if (fop
->flushed_version
!= obc
->obs
.oi
.user_version
||
9021 if (obc
->obs
.exists
)
9022 dout(10) << __func__
<< " flushed_version " << fop
->flushed_version
9023 << " != current " << obc
->obs
.oi
.user_version
9026 dout(10) << __func__
<< " object no longer exists" << dendl
;
9028 if (!fop
->dup_ops
.empty()) {
9029 dout(20) << __func__
<< " requeueing dups" << dendl
;
9030 requeue_ops(fop
->dup_ops
);
9032 if (fop
->on_flush
) {
9033 (*(fop
->on_flush
))();
9034 fop
->on_flush
= boost::none
;
9036 flush_ops
.erase(oid
);
9038 osd
->logger
->inc(l_osd_tier_flush_fail
);
9040 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
9044 if (!fop
->blocking
&&
9045 scrubber
.write_blocked_by_scrub(oid
)) {
9047 dout(10) << __func__
<< " blocked by scrub" << dendl
;
9048 requeue_op(fop
->op
);
9049 requeue_ops(fop
->dup_ops
);
9050 return -EAGAIN
; // will retry
9052 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
9053 vector
<ceph_tid_t
> tids
;
9054 cancel_flush(fop
, false, &tids
);
9055 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
9060 // successfully flushed, can we evict this object?
9061 if (!fop
->op
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_IDLE
&&
9062 agent_maybe_evict(obc
, true)) {
9063 osd
->logger
->inc(l_osd_tier_clean
);
9064 if (fop
->on_flush
) {
9065 (*(fop
->on_flush
))();
9066 fop
->on_flush
= boost::none
;
9068 flush_ops
.erase(oid
);
9072 dout(10) << __func__
<< " clearing DIRTY flag for " << oid
<< dendl
;
9073 OpContextUPtr ctx
= simple_opc_create(fop
->obc
);
9075 // successfully flushed; can we clear the dirty bit?
9076 // try to take the lock manually, since we don't
9078 if (ctx
->lock_manager
.get_lock_type(
9079 ObjectContext::RWState::RWWRITE
,
9083 dout(20) << __func__
<< " took write lock" << dendl
;
9084 } else if (fop
->op
) {
9085 dout(10) << __func__
<< " waiting on write lock" << dendl
;
9086 close_op_ctx(ctx
.release());
9087 requeue_op(fop
->op
);
9088 requeue_ops(fop
->dup_ops
);
9089 return -EAGAIN
; // will retry
9091 dout(10) << __func__
<< " failed write lock, no op; failing" << dendl
;
9092 close_op_ctx(ctx
.release());
9093 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
9094 vector
<ceph_tid_t
> tids
;
9095 cancel_flush(fop
, false, &tids
);
9096 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
9100 if (fop
->on_flush
) {
9101 ctx
->register_on_finish(*(fop
->on_flush
));
9102 fop
->on_flush
= boost::none
;
9105 ctx
->at_version
= get_next_version();
9107 ctx
->new_obs
= obc
->obs
;
9108 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
9109 --ctx
->delta_stats
.num_objects_dirty
;
9111 finish_ctx(ctx
.get(), pg_log_entry_t::CLEAN
);
9113 osd
->logger
->inc(l_osd_tier_clean
);
9115 if (!fop
->dup_ops
.empty() || fop
->op
) {
9116 dout(20) << __func__
<< " requeueing for " << ctx
->at_version
<< dendl
;
9117 list
<OpRequestRef
> ls
;
9119 ls
.push_back(fop
->op
);
9120 ls
.splice(ls
.end(), fop
->dup_ops
);
9124 simple_opc_submit(std::move(ctx
));
9126 flush_ops
.erase(oid
);
9129 osd
->logger
->inc(l_osd_tier_flush
);
9131 osd
->logger
->inc(l_osd_tier_try_flush
);
9133 return -EINPROGRESS
;
9136 void PrimaryLogPG::cancel_flush(FlushOpRef fop
, bool requeue
,
9137 vector
<ceph_tid_t
> *tids
)
9139 dout(10) << __func__
<< " " << fop
->obc
->obs
.oi
.soid
<< " tid "
9140 << fop
->objecter_tid
<< dendl
;
9141 if (fop
->objecter_tid
) {
9142 tids
->push_back(fop
->objecter_tid
);
9143 fop
->objecter_tid
= 0;
9145 if (fop
->io_tids
.size()) {
9146 for (auto &p
: fop
->io_tids
) {
9147 tids
->push_back(p
.second
);
9151 if (fop
->blocking
&& fop
->obc
->is_blocked()) {
9152 fop
->obc
->stop_block();
9153 kick_object_context_blocked(fop
->obc
);
9157 requeue_op(fop
->op
);
9158 requeue_ops(fop
->dup_ops
);
9160 if (fop
->on_flush
) {
9161 (*(fop
->on_flush
))();
9162 fop
->on_flush
= boost::none
;
9164 flush_ops
.erase(fop
->obc
->obs
.oi
.soid
);
9167 void PrimaryLogPG::cancel_flush_ops(bool requeue
, vector
<ceph_tid_t
> *tids
)
9169 dout(10) << __func__
<< dendl
;
9170 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.begin();
9171 while (p
!= flush_ops
.end()) {
9172 cancel_flush((p
++)->second
, requeue
, tids
);
9176 bool PrimaryLogPG::is_present_clone(hobject_t coid
)
9178 if (!pool
.info
.allow_incomplete_clones())
9180 if (is_missing_object(coid
))
9182 ObjectContextRef obc
= get_object_context(coid
, false);
9183 return obc
&& obc
->obs
.exists
;
9186 // ========================================================================
9189 class C_OSD_RepopApplied
: public Context
{
9191 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> repop
;
9193 C_OSD_RepopApplied(PrimaryLogPG
*pg
, PrimaryLogPG::RepGather
*repop
)
9194 : pg(pg
), repop(repop
) {}
9195 void finish(int) override
{
9196 pg
->repop_all_applied(repop
.get());
9201 void PrimaryLogPG::repop_all_applied(RepGather
*repop
)
9203 dout(10) << __func__
<< ": repop tid " << repop
->rep_tid
<< " all applied "
9205 assert(!repop
->applies_with_commit
);
9206 repop
->all_applied
= true;
9207 if (!repop
->rep_aborted
) {
9212 class C_OSD_RepopCommit
: public Context
{
9214 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> repop
;
9216 C_OSD_RepopCommit(PrimaryLogPG
*pg
, PrimaryLogPG::RepGather
*repop
)
9217 : pg(pg
), repop(repop
) {}
9218 void finish(int) override
{
9219 pg
->repop_all_committed(repop
.get());
9223 void PrimaryLogPG::repop_all_committed(RepGather
*repop
)
9225 dout(10) << __func__
<< ": repop tid " << repop
->rep_tid
<< " all committed "
9227 repop
->all_committed
= true;
9228 if (repop
->applies_with_commit
) {
9229 assert(!repop
->all_applied
);
9230 repop
->all_applied
= true;
9233 if (!repop
->rep_aborted
) {
9234 if (repop
->v
!= eversion_t()) {
9235 last_update_ondisk
= repop
->v
;
9236 last_complete_ondisk
= repop
->pg_local_last_complete
;
9242 void PrimaryLogPG::op_applied(const eversion_t
&applied_version
)
9244 dout(10) << "op_applied version " << applied_version
<< dendl
;
9245 if (applied_version
== eversion_t())
9247 assert(applied_version
> last_update_applied
);
9248 assert(applied_version
<= info
.last_update
);
9249 last_update_applied
= applied_version
;
9251 if (scrubber
.active
) {
9252 if (last_update_applied
>= scrubber
.subset_last_update
) {
9253 if (ops_blocked_by_scrub()) {
9254 requeue_scrub(true);
9256 requeue_scrub(false);
9261 assert(scrubber
.start
== scrubber
.end
);
9264 if (scrubber
.active_rep_scrub
) {
9265 if (last_update_applied
>= static_cast<const MOSDRepScrub
*>(
9266 scrubber
.active_rep_scrub
->get_req())->scrub_to
) {
9269 PGQueueable(scrubber
.active_rep_scrub
, get_osdmap()->get_epoch()));
9270 scrubber
.active_rep_scrub
= OpRequestRef();
9276 void PrimaryLogPG::eval_repop(RepGather
*repop
)
9278 const MOSDOp
*m
= NULL
;
9280 m
= static_cast<const MOSDOp
*>(repop
->op
->get_req());
9283 dout(10) << "eval_repop " << *repop
9284 << (repop
->rep_done
? " DONE" : "")
9287 dout(10) << "eval_repop " << *repop
<< " (no op)"
9288 << (repop
->rep_done
? " DONE" : "")
9291 if (repop
->rep_done
)
9295 if (repop
->all_committed
) {
9296 dout(10) << " commit: " << *repop
<< dendl
;
9297 for (auto p
= repop
->on_committed
.begin();
9298 p
!= repop
->on_committed
.end();
9299 repop
->on_committed
.erase(p
++)) {
9302 // send dup commits, in order
9303 if (waiting_for_ondisk
.count(repop
->v
)) {
9304 assert(waiting_for_ondisk
.begin()->first
== repop
->v
);
9305 for (list
<pair
<OpRequestRef
, version_t
> >::iterator i
=
9306 waiting_for_ondisk
[repop
->v
].begin();
9307 i
!= waiting_for_ondisk
[repop
->v
].end();
9309 osd
->reply_op_error(i
->first
, repop
->r
, repop
->v
,
9312 waiting_for_ondisk
.erase(repop
->v
);
9317 if (repop
->all_applied
) {
9318 if (repop
->applies_with_commit
) {
9319 assert(repop
->on_applied
.empty());
9321 dout(10) << " applied: " << *repop
<< " " << dendl
;
9322 for (auto p
= repop
->on_applied
.begin();
9323 p
!= repop
->on_applied
.end();
9324 repop
->on_applied
.erase(p
++)) {
9330 if (repop
->all_applied
&& repop
->all_committed
) {
9331 repop
->rep_done
= true;
9333 publish_stats_to_osd();
9334 calc_min_last_complete_ondisk();
9336 dout(10) << " removing " << *repop
<< dendl
;
9337 assert(!repop_queue
.empty());
9338 dout(20) << " q front is " << *repop_queue
.front() << dendl
;
9339 if (repop_queue
.front() != repop
) {
9340 if (!repop
->applies_with_commit
) {
9341 dout(0) << " removing " << *repop
<< dendl
;
9342 dout(0) << " q front is " << *repop_queue
.front() << dendl
;
9343 assert(repop_queue
.front() == repop
);
9346 RepGather
*to_remove
= nullptr;
9347 while (!repop_queue
.empty() &&
9348 (to_remove
= repop_queue
.front())->rep_done
) {
9349 repop_queue
.pop_front();
9350 for (auto p
= to_remove
->on_success
.begin();
9351 p
!= to_remove
->on_success
.end();
9352 to_remove
->on_success
.erase(p
++)) {
9355 remove_repop(to_remove
);
9361 void PrimaryLogPG::issue_repop(RepGather
*repop
, OpContext
*ctx
)
9364 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
9365 dout(7) << "issue_repop rep_tid " << repop
->rep_tid
9369 repop
->v
= ctx
->at_version
;
9370 if (ctx
->at_version
> eversion_t()) {
9371 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
9372 i
!= actingbackfill
.end();
9374 if (*i
== get_primary()) continue;
9375 pg_info_t
&pinfo
= peer_info
[*i
];
9376 // keep peer_info up to date
9377 if (pinfo
.last_complete
== pinfo
.last_update
)
9378 pinfo
.last_complete
= ctx
->at_version
;
9379 pinfo
.last_update
= ctx
->at_version
;
9383 ctx
->obc
->ondisk_write_lock();
9385 bool unlock_snapset_obc
= false;
9386 ctx
->op_t
->add_obc(ctx
->obc
);
9387 if (ctx
->clone_obc
) {
9388 ctx
->clone_obc
->ondisk_write_lock();
9389 ctx
->op_t
->add_obc(ctx
->clone_obc
);
9391 if (ctx
->snapset_obc
&& ctx
->snapset_obc
->obs
.oi
.soid
!=
9392 ctx
->obc
->obs
.oi
.soid
) {
9393 ctx
->snapset_obc
->ondisk_write_lock();
9394 unlock_snapset_obc
= true;
9395 ctx
->op_t
->add_obc(ctx
->snapset_obc
);
9398 Context
*on_all_commit
= new C_OSD_RepopCommit(this, repop
);
9399 Context
*on_all_applied
= new C_OSD_RepopApplied(this, repop
);
9400 Context
*onapplied_sync
= new C_OSD_OndiskWriteUnlock(
9403 unlock_snapset_obc
? ctx
->snapset_obc
: ObjectContextRef());
9404 if (!(ctx
->log
.empty())) {
9405 assert(ctx
->at_version
>= projected_last_update
);
9406 projected_last_update
= ctx
->at_version
;
9408 for (auto &&entry
: ctx
->log
) {
9409 projected_log
.add(entry
);
9411 pgbackend
->submit_transaction(
9415 std::move(ctx
->op_t
),
9417 min_last_complete_ondisk
,
9419 ctx
->updated_hset_history
,
9428 PrimaryLogPG::RepGather
*PrimaryLogPG::new_repop(
9429 OpContext
*ctx
, ObjectContextRef obc
,
9433 dout(10) << "new_repop rep_tid " << rep_tid
<< " on " << *ctx
->op
->get_req() << dendl
;
9435 dout(10) << "new_repop rep_tid " << rep_tid
<< " (no op)" << dendl
;
9437 RepGather
*repop
= new RepGather(
9438 ctx
, rep_tid
, info
.last_complete
, false);
9440 repop
->start
= ceph_clock_now();
9442 repop_queue
.push_back(&repop
->queue_item
);
9445 osd
->logger
->inc(l_osd_op_wip
);
9447 dout(10) << __func__
<< ": " << *repop
<< dendl
;
9451 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> PrimaryLogPG::new_repop(
9454 ObcLockManager
&&manager
,
9456 boost::optional
<std::function
<void(void)> > &&on_complete
)
9458 RepGather
*repop
= new RepGather(
9461 std::move(on_complete
),
9468 repop
->start
= ceph_clock_now();
9470 repop_queue
.push_back(&repop
->queue_item
);
9472 osd
->logger
->inc(l_osd_op_wip
);
9474 dout(10) << __func__
<< ": " << *repop
<< dendl
;
9475 return boost::intrusive_ptr
<RepGather
>(repop
);
9478 void PrimaryLogPG::remove_repop(RepGather
*repop
)
9480 dout(20) << __func__
<< " " << *repop
<< dendl
;
9482 for (auto p
= repop
->on_finish
.begin();
9483 p
!= repop
->on_finish
.end();
9484 repop
->on_finish
.erase(p
++)) {
9488 release_object_locks(
9489 repop
->lock_manager
);
9492 osd
->logger
->dec(l_osd_op_wip
);
9495 PrimaryLogPG::OpContextUPtr
PrimaryLogPG::simple_opc_create(ObjectContextRef obc
)
9497 dout(20) << __func__
<< " " << obc
->obs
.oi
.soid
<< dendl
;
9498 ceph_tid_t rep_tid
= osd
->get_tid();
9499 osd_reqid_t
reqid(osd
->get_cluster_msgr_name(), 0, rep_tid
);
9500 OpContextUPtr
ctx(new OpContext(OpRequestRef(), reqid
, nullptr, obc
, this));
9501 ctx
->op_t
.reset(new PGTransaction());
9502 ctx
->mtime
= ceph_clock_now();
9506 void PrimaryLogPG::simple_opc_submit(OpContextUPtr ctx
)
9508 RepGather
*repop
= new_repop(ctx
.get(), ctx
->obc
, ctx
->reqid
.tid
);
9509 dout(20) << __func__
<< " " << repop
<< dendl
;
9510 issue_repop(repop
, ctx
.get());
9517 void PrimaryLogPG::submit_log_entries(
9518 const mempool::osd_pglog::list
<pg_log_entry_t
> &entries
,
9519 ObcLockManager
&&manager
,
9520 boost::optional
<std::function
<void(void)> > &&_on_complete
,
9524 dout(10) << __func__
<< " " << entries
<< dendl
;
9525 assert(is_primary());
9528 if (!entries
.empty()) {
9529 assert(entries
.rbegin()->version
>= projected_last_update
);
9530 version
= projected_last_update
= entries
.rbegin()->version
;
9533 boost::intrusive_ptr
<RepGather
> repop
;
9534 boost::optional
<std::function
<void(void)> > on_complete
;
9535 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9541 std::move(_on_complete
));
9543 on_complete
= std::move(_on_complete
);
9546 pgbackend
->call_write_ordered(
9547 [this, entries
, repop
, on_complete
]() {
9548 ObjectStore::Transaction t
;
9549 eversion_t old_last_update
= info
.last_update
;
9550 merge_new_log_entries(entries
, t
, pg_trim_to
, min_last_complete_ondisk
);
9553 set
<pg_shard_t
> waiting_on
;
9554 for (set
<pg_shard_t
>::const_iterator i
= actingbackfill
.begin();
9555 i
!= actingbackfill
.end();
9557 pg_shard_t
peer(*i
);
9558 if (peer
== pg_whoami
) continue;
9559 assert(peer_missing
.count(peer
));
9560 assert(peer_info
.count(peer
));
9561 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9563 MOSDPGUpdateLogMissing
*m
= new MOSDPGUpdateLogMissing(
9565 spg_t(info
.pgid
.pgid
, i
->shard
),
9567 get_osdmap()->get_epoch(),
9571 min_last_complete_ondisk
);
9572 osd
->send_message_osd_cluster(
9573 peer
.osd
, m
, get_osdmap()->get_epoch());
9574 waiting_on
.insert(peer
);
9576 MOSDPGLog
*m
= new MOSDPGLog(
9577 peer
.shard
, pg_whoami
.shard
,
9578 info
.last_update
.epoch
,
9580 m
->log
.log
= entries
;
9581 m
->log
.tail
= old_last_update
;
9582 m
->log
.head
= info
.last_update
;
9583 osd
->send_message_osd_cluster(
9584 peer
.osd
, m
, get_osdmap()->get_epoch());
9587 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9588 ceph_tid_t rep_tid
= repop
->rep_tid
;
9589 waiting_on
.insert(pg_whoami
);
9590 log_entry_update_waiting_on
.insert(
9593 LogUpdateCtx
{std::move(repop
), std::move(waiting_on
)}
9595 struct OnComplete
: public Context
{
9603 : pg(pg
), rep_tid(rep_tid
), epoch(epoch
) {}
9604 void finish(int) override
{
9606 if (!pg
->pg_has_reset_since(epoch
)) {
9607 auto it
= pg
->log_entry_update_waiting_on
.find(rep_tid
);
9608 assert(it
!= pg
->log_entry_update_waiting_on
.end());
9609 auto it2
= it
->second
.waiting_on
.find(pg
->pg_whoami
);
9610 assert(it2
!= it
->second
.waiting_on
.end());
9611 it
->second
.waiting_on
.erase(it2
);
9612 if (it
->second
.waiting_on
.empty()) {
9613 pg
->repop_all_committed(it
->second
.repop
.get());
9614 pg
->log_entry_update_waiting_on
.erase(it
);
9620 t
.register_on_commit(
9621 new OnComplete
{this, rep_tid
, get_osdmap()->get_epoch()});
9624 struct OnComplete
: public Context
{
9626 std::function
<void(void)> on_complete
;
9630 const std::function
<void(void)> &on_complete
,
9633 on_complete(std::move(on_complete
)),
9635 void finish(int) override
{
9637 if (!pg
->pg_has_reset_since(epoch
))
9642 t
.register_on_complete(
9644 this, *on_complete
, get_osdmap()->get_epoch()
9648 t
.register_on_applied(
9649 new C_OSD_OnApplied
{this, get_osdmap()->get_epoch(), info
.last_update
});
9650 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
9657 void PrimaryLogPG::cancel_log_updates()
9659 // get rid of all the LogUpdateCtx so their references to repops are
9661 log_entry_update_waiting_on
.clear();
9664 // -------------------------------------------------------
9666 void PrimaryLogPG::get_watchers(list
<obj_watch_item_t
> &pg_watchers
)
9668 pair
<hobject_t
, ObjectContextRef
> i
;
9669 while (object_contexts
.get_next(i
.first
, &i
)) {
9670 ObjectContextRef
obc(i
.second
);
9671 get_obc_watchers(obc
, pg_watchers
);
9675 void PrimaryLogPG::get_obc_watchers(ObjectContextRef obc
, list
<obj_watch_item_t
> &pg_watchers
)
9677 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
=
9678 obc
->watchers
.begin();
9679 j
!= obc
->watchers
.end();
9681 obj_watch_item_t owi
;
9683 owi
.obj
= obc
->obs
.oi
.soid
;
9684 owi
.wi
.addr
= j
->second
->get_peer_addr();
9685 owi
.wi
.name
= j
->second
->get_entity();
9686 owi
.wi
.cookie
= j
->second
->get_cookie();
9687 owi
.wi
.timeout_seconds
= j
->second
->get_timeout();
9689 dout(30) << "watch: Found oid=" << owi
.obj
<< " addr=" << owi
.wi
.addr
9690 << " name=" << owi
.wi
.name
<< " cookie=" << owi
.wi
.cookie
<< dendl
;
9692 pg_watchers
.push_back(owi
);
9696 void PrimaryLogPG::check_blacklisted_watchers()
9698 dout(20) << "PrimaryLogPG::check_blacklisted_watchers for pg " << get_pgid() << dendl
;
9699 pair
<hobject_t
, ObjectContextRef
> i
;
9700 while (object_contexts
.get_next(i
.first
, &i
))
9701 check_blacklisted_obc_watchers(i
.second
);
9704 void PrimaryLogPG::check_blacklisted_obc_watchers(ObjectContextRef obc
)
9706 dout(20) << "PrimaryLogPG::check_blacklisted_obc_watchers for obc " << obc
->obs
.oi
.soid
<< dendl
;
9707 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator k
=
9708 obc
->watchers
.begin();
9709 k
!= obc
->watchers
.end();
9711 //Advance iterator now so handle_watch_timeout() can erase element
9712 map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
= k
++;
9713 dout(30) << "watch: Found " << j
->second
->get_entity() << " cookie " << j
->second
->get_cookie() << dendl
;
9714 entity_addr_t ea
= j
->second
->get_peer_addr();
9715 dout(30) << "watch: Check entity_addr_t " << ea
<< dendl
;
9716 if (get_osdmap()->is_blacklisted(ea
)) {
9717 dout(10) << "watch: Found blacklisted watcher for " << ea
<< dendl
;
9718 assert(j
->second
->get_pg() == this);
9719 j
->second
->unregister_cb();
9720 handle_watch_timeout(j
->second
);
9725 void PrimaryLogPG::populate_obc_watchers(ObjectContextRef obc
)
9727 assert(is_active());
9728 assert((recovering
.count(obc
->obs
.oi
.soid
) ||
9729 !is_missing_object(obc
->obs
.oi
.soid
)) ||
9730 (pg_log
.get_log().objects
.count(obc
->obs
.oi
.soid
) && // or this is a revert... see recover_primary()
9731 pg_log
.get_log().objects
.find(obc
->obs
.oi
.soid
)->second
->op
==
9732 pg_log_entry_t::LOST_REVERT
&&
9733 pg_log
.get_log().objects
.find(obc
->obs
.oi
.soid
)->second
->reverting_to
==
9734 obc
->obs
.oi
.version
));
9736 dout(10) << "populate_obc_watchers " << obc
->obs
.oi
.soid
<< dendl
;
9737 assert(obc
->watchers
.empty());
9738 // populate unconnected_watchers
9739 for (map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator p
=
9740 obc
->obs
.oi
.watchers
.begin();
9741 p
!= obc
->obs
.oi
.watchers
.end();
9743 utime_t expire
= info
.stats
.last_became_active
;
9744 expire
+= p
->second
.timeout_seconds
;
9745 dout(10) << " unconnected watcher " << p
->first
<< " will expire " << expire
<< dendl
;
9747 Watch::makeWatchRef(
9748 this, osd
, obc
, p
->second
.timeout_seconds
, p
->first
.first
,
9749 p
->first
.second
, p
->second
.addr
));
9750 watch
->disconnect();
9751 obc
->watchers
.insert(
9753 make_pair(p
->first
.first
, p
->first
.second
),
9756 // Look for watchers from blacklisted clients and drop
9757 check_blacklisted_obc_watchers(obc
);
9760 void PrimaryLogPG::handle_watch_timeout(WatchRef watch
)
9762 ObjectContextRef obc
= watch
->get_obc(); // handle_watch_timeout owns this ref
9763 dout(10) << "handle_watch_timeout obc " << obc
<< dendl
;
9766 dout(10) << "handle_watch_timeout not active, no-op" << dendl
;
9769 if (is_degraded_or_backfilling_object(obc
->obs
.oi
.soid
)) {
9770 callbacks_for_degraded_object
[obc
->obs
.oi
.soid
].push_back(
9771 watch
->get_delayed_cb()
9773 dout(10) << "handle_watch_timeout waiting for degraded on obj "
9779 if (scrubber
.write_blocked_by_scrub(obc
->obs
.oi
.soid
)) {
9780 dout(10) << "handle_watch_timeout waiting for scrub on obj "
9783 scrubber
.add_callback(
9784 watch
->get_delayed_cb() // This callback!
9789 OpContextUPtr ctx
= simple_opc_create(obc
);
9790 ctx
->at_version
= get_next_version();
9792 object_info_t
& oi
= ctx
->new_obs
.oi
;
9793 oi
.watchers
.erase(make_pair(watch
->get_cookie(),
9794 watch
->get_entity()));
9796 list
<watch_disconnect_t
> watch_disconnects
= {
9797 watch_disconnect_t(watch
->get_cookie(), watch
->get_entity(), true)
9799 ctx
->register_on_success(
9800 [this, obc
, watch_disconnects
]() {
9801 complete_disconnect_watches(obc
, watch_disconnects
);
9805 PGTransaction
*t
= ctx
->op_t
.get();
9806 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::MODIFY
, obc
->obs
.oi
.soid
,
9810 osd_reqid_t(), ctx
->mtime
, 0));
9812 oi
.prior_version
= obc
->obs
.oi
.version
;
9813 oi
.version
= ctx
->at_version
;
9815 ::encode(oi
, bl
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
9816 t
->setattr(obc
->obs
.oi
.soid
, OI_ATTR
, bl
);
9818 // apply new object state.
9819 ctx
->obc
->obs
= ctx
->new_obs
;
9821 // no ctx->delta_stats
9822 simple_opc_submit(std::move(ctx
));
9825 ObjectContextRef
PrimaryLogPG::create_object_context(const object_info_t
& oi
,
9826 SnapSetContext
*ssc
)
9828 ObjectContextRef
obc(object_contexts
.lookup_or_create(oi
.soid
));
9829 assert(obc
->destructor_callback
== NULL
);
9830 obc
->destructor_callback
= new C_PG_ObjectContext(this, obc
.get());
9832 obc
->obs
.exists
= false;
9835 register_snapset_context(ssc
);
9836 dout(10) << "create_object_context " << (void*)obc
.get() << " " << oi
.soid
<< " " << dendl
;
9838 populate_obc_watchers(obc
);
9842 ObjectContextRef
PrimaryLogPG::get_object_context(
9843 const hobject_t
& soid
,
9845 const map
<string
, bufferlist
> *attrs
)
9848 attrs
|| !pg_log
.get_missing().is_missing(soid
) ||
9849 // or this is a revert... see recover_primary()
9850 (pg_log
.get_log().objects
.count(soid
) &&
9851 pg_log
.get_log().objects
.find(soid
)->second
->op
==
9852 pg_log_entry_t::LOST_REVERT
));
9853 ObjectContextRef obc
= object_contexts
.lookup(soid
);
9854 osd
->logger
->inc(l_osd_object_ctx_cache_total
);
9856 osd
->logger
->inc(l_osd_object_ctx_cache_hit
);
9857 dout(10) << __func__
<< ": found obc in cache: " << obc
9860 dout(10) << __func__
<< ": obc NOT found in cache: " << soid
<< dendl
;
9864 assert(attrs
->count(OI_ATTR
));
9865 bv
= attrs
->find(OI_ATTR
)->second
;
9867 int r
= pgbackend
->objects_get_attr(soid
, OI_ATTR
, &bv
);
9870 dout(10) << __func__
<< ": no obc for soid "
9871 << soid
<< " and !can_create"
9873 return ObjectContextRef(); // -ENOENT!
9876 dout(10) << __func__
<< ": no obc for soid "
9877 << soid
<< " but can_create"
9880 object_info_t
oi(soid
);
9881 SnapSetContext
*ssc
= get_snapset_context(
9882 soid
, true, 0, false);
9884 obc
= create_object_context(oi
, ssc
);
9885 dout(10) << __func__
<< ": " << obc
<< " " << soid
9886 << " " << obc
->rwstate
9887 << " oi: " << obc
->obs
.oi
9888 << " ssc: " << obc
->ssc
9889 << " snapset: " << obc
->ssc
->snapset
<< dendl
;
9896 bufferlist::iterator bliter
= bv
.begin();
9897 ::decode(oi
, bliter
);
9899 dout(0) << __func__
<< ": obc corrupt: " << soid
<< dendl
;
9900 return ObjectContextRef(); // -ENOENT!
9903 assert(oi
.soid
.pool
== (int64_t)info
.pgid
.pool());
9905 obc
= object_contexts
.lookup_or_create(oi
.soid
);
9906 obc
->destructor_callback
= new C_PG_ObjectContext(this, obc
.get());
9908 obc
->obs
.exists
= true;
9910 obc
->ssc
= get_snapset_context(
9912 soid
.has_snapset() ? attrs
: 0);
9915 populate_obc_watchers(obc
);
9917 if (pool
.info
.require_rollback()) {
9919 obc
->attr_cache
= *attrs
;
9921 int r
= pgbackend
->objects_get_attrs(
9928 dout(10) << __func__
<< ": creating obc from disk: " << obc
9932 // XXX: Caller doesn't expect this
9933 if (obc
->ssc
== NULL
) {
9934 derr
<< __func__
<< ": obc->ssc not available, not returning context" << dendl
;
9935 return ObjectContextRef(); // -ENOENT!
9938 dout(10) << __func__
<< ": " << obc
<< " " << soid
9939 << " " << obc
->rwstate
9940 << " oi: " << obc
->obs
.oi
9941 << " exists: " << (int)obc
->obs
.exists
9942 << " ssc: " << obc
->ssc
9943 << " snapset: " << obc
->ssc
->snapset
<< dendl
;
9947 void PrimaryLogPG::context_registry_on_change()
9949 pair
<hobject_t
, ObjectContextRef
> i
;
9950 while (object_contexts
.get_next(i
.first
, &i
)) {
9951 ObjectContextRef
obc(i
.second
);
9953 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
=
9954 obc
->watchers
.begin();
9955 j
!= obc
->watchers
.end();
9956 obc
->watchers
.erase(j
++)) {
9957 j
->second
->discard();
9965 * If we return an error, and set *pmissing, then promoting that
9968 * If we return -EAGAIN, we will always set *pmissing to the missing
9969 * object to wait for.
9971 * If we return an error but do not set *pmissing, then we know the
9972 * object does not exist.
9974 int PrimaryLogPG::find_object_context(const hobject_t
& oid
,
9975 ObjectContextRef
*pobc
,
9977 bool map_snapid_to_clone
,
9978 hobject_t
*pmissing
)
9981 assert(oid
.pool
== static_cast<int64_t>(info
.pgid
.pool()));
9983 if (oid
.snap
== CEPH_NOSNAP
) {
9984 ObjectContextRef obc
= get_object_context(oid
, can_create
);
9990 dout(10) << "find_object_context " << oid
9992 << " oi=" << obc
->obs
.oi
9999 hobject_t head
= oid
.get_head();
10001 // want the snapdir?
10002 if (oid
.snap
== CEPH_SNAPDIR
) {
10003 // return head or snapdir, whichever exists.
10004 ObjectContextRef headobc
= get_object_context(head
, can_create
);
10005 ObjectContextRef obc
= headobc
;
10006 if (!obc
|| !obc
->obs
.exists
)
10007 obc
= get_object_context(oid
, can_create
);
10008 if (!obc
|| !obc
->obs
.exists
) {
10009 // if we have neither, we would want to promote the head.
10013 *pobc
= headobc
; // may be null
10016 dout(10) << "find_object_context " << oid
10017 << " @" << oid
.snap
10018 << " oi=" << obc
->obs
.oi
10022 // always populate ssc for SNAPDIR...
10024 obc
->ssc
= get_snapset_context(
10030 if (!map_snapid_to_clone
&& pool
.info
.is_removed_snap(oid
.snap
)) {
10031 dout(10) << __func__
<< " snap " << oid
.snap
<< " is removed" << dendl
;
10035 SnapSetContext
*ssc
= get_snapset_context(oid
, can_create
);
10036 if (!ssc
|| !(ssc
->exists
|| can_create
)) {
10037 dout(20) << __func__
<< " " << oid
<< " no snapset" << dendl
;
10039 *pmissing
= head
; // start by getting the head
10041 put_snapset_context(ssc
);
10045 if (map_snapid_to_clone
) {
10046 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10047 << " snapset " << ssc
->snapset
10048 << " map_snapid_to_clone=true" << dendl
;
10049 if (oid
.snap
> ssc
->snapset
.seq
) {
10050 // already must be readable
10051 ObjectContextRef obc
= get_object_context(head
, false);
10052 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10053 << " snapset " << ssc
->snapset
10054 << " maps to head" << dendl
;
10056 put_snapset_context(ssc
);
10057 return (obc
&& obc
->obs
.exists
) ? 0 : -ENOENT
;
10059 vector
<snapid_t
>::const_iterator citer
= std::find(
10060 ssc
->snapset
.clones
.begin(),
10061 ssc
->snapset
.clones
.end(),
10063 if (citer
== ssc
->snapset
.clones
.end()) {
10064 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10065 << " snapset " << ssc
->snapset
10066 << " maps to nothing" << dendl
;
10067 put_snapset_context(ssc
);
10071 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10072 << " snapset " << ssc
->snapset
10073 << " maps to " << oid
<< dendl
;
10075 if (pg_log
.get_missing().is_missing(oid
)) {
10076 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10077 << " snapset " << ssc
->snapset
10078 << " " << oid
<< " is missing" << dendl
;
10081 put_snapset_context(ssc
);
10085 ObjectContextRef obc
= get_object_context(oid
, false);
10086 if (!obc
|| !obc
->obs
.exists
) {
10087 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10088 << " snapset " << ssc
->snapset
10089 << " " << oid
<< " is not present" << dendl
;
10092 put_snapset_context(ssc
);
10095 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10096 << " snapset " << ssc
->snapset
10097 << " " << oid
<< " HIT" << dendl
;
10099 put_snapset_context(ssc
);
10102 ceph_abort(); //unreachable
10105 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
10106 << " snapset " << ssc
->snapset
<< dendl
;
10109 if (oid
.snap
> ssc
->snapset
.seq
) {
10110 if (ssc
->snapset
.head_exists
) {
10111 ObjectContextRef obc
= get_object_context(head
, false);
10112 dout(10) << "find_object_context " << head
10113 << " want " << oid
.snap
<< " > snapset seq " << ssc
->snapset
.seq
10114 << " -- HIT " << obc
->obs
10119 assert(ssc
== obc
->ssc
);
10120 put_snapset_context(ssc
);
10125 dout(10) << "find_object_context " << head
10126 << " want " << oid
.snap
<< " > snapset seq " << ssc
->snapset
.seq
10127 << " but head dne -- DNE"
10129 put_snapset_context(ssc
);
10133 // which clone would it be?
10135 while (k
< ssc
->snapset
.clones
.size() &&
10136 ssc
->snapset
.clones
[k
] < oid
.snap
)
10138 if (k
== ssc
->snapset
.clones
.size()) {
10139 dout(10) << "find_object_context no clones with last >= oid.snap "
10140 << oid
.snap
<< " -- DNE" << dendl
;
10141 put_snapset_context(ssc
);
10144 hobject_t
soid(oid
.oid
, oid
.get_key(), ssc
->snapset
.clones
[k
], oid
.get_hash(),
10145 info
.pgid
.pool(), oid
.get_namespace());
10147 if (pg_log
.get_missing().is_missing(soid
)) {
10148 dout(20) << "find_object_context " << soid
<< " missing, try again later"
10152 put_snapset_context(ssc
);
10156 ObjectContextRef obc
= get_object_context(soid
, false);
10157 if (!obc
|| !obc
->obs
.exists
) {
10160 put_snapset_context(ssc
);
10161 if (is_degraded_or_backfilling_object(soid
)) {
10162 dout(20) << __func__
<< " clone is degraded or backfilling " << soid
<< dendl
;
10165 dout(20) << __func__
<< " missing clone " << soid
<< dendl
;
10173 assert(obc
->ssc
== ssc
);
10174 put_snapset_context(ssc
);
10179 dout(20) << "find_object_context " << soid
10180 << " snapset " << obc
->ssc
->snapset
10181 << " legacy_snaps " << obc
->obs
.oi
.legacy_snaps
10183 snapid_t first
, last
;
10184 if (obc
->ssc
->snapset
.is_legacy()) {
10185 first
= obc
->obs
.oi
.legacy_snaps
.back();
10186 last
= obc
->obs
.oi
.legacy_snaps
.front();
10188 auto p
= obc
->ssc
->snapset
.clone_snaps
.find(soid
.snap
);
10189 assert(p
!= obc
->ssc
->snapset
.clone_snaps
.end());
10190 first
= p
->second
.back();
10191 last
= p
->second
.front();
10193 if (first
<= oid
.snap
) {
10194 dout(20) << "find_object_context " << soid
<< " [" << first
<< "," << last
10195 << "] contains " << oid
.snap
<< " -- HIT " << obc
->obs
<< dendl
;
10199 dout(20) << "find_object_context " << soid
<< " [" << first
<< "," << last
10200 << "] does not contain " << oid
.snap
<< " -- DNE" << dendl
;
10205 void PrimaryLogPG::object_context_destructor_callback(ObjectContext
*obc
)
10208 put_snapset_context(obc
->ssc
);
10211 void PrimaryLogPG::add_object_context_to_pg_stat(ObjectContextRef obc
, pg_stat_t
*pgstat
)
10213 object_info_t
& oi
= obc
->obs
.oi
;
10215 dout(10) << "add_object_context_to_pg_stat " << oi
.soid
<< dendl
;
10216 object_stat_sum_t stat
;
10218 stat
.num_bytes
+= oi
.size
;
10220 if (oi
.soid
.snap
!= CEPH_SNAPDIR
)
10221 stat
.num_objects
++;
10223 stat
.num_objects_dirty
++;
10224 if (oi
.is_whiteout())
10225 stat
.num_whiteouts
++;
10227 stat
.num_objects_omap
++;
10228 if (oi
.is_cache_pinned())
10229 stat
.num_objects_pinned
++;
10231 if (oi
.soid
.snap
&& oi
.soid
.snap
!= CEPH_NOSNAP
&& oi
.soid
.snap
!= CEPH_SNAPDIR
) {
10232 stat
.num_object_clones
++;
10235 obc
->ssc
= get_snapset_context(oi
.soid
, false);
10238 // subtract off clone overlap
10239 if (obc
->ssc
->snapset
.clone_overlap
.count(oi
.soid
.snap
)) {
10240 interval_set
<uint64_t>& o
= obc
->ssc
->snapset
.clone_overlap
[oi
.soid
.snap
];
10241 for (interval_set
<uint64_t>::const_iterator r
= o
.begin();
10244 stat
.num_bytes
-= r
.get_len();
10250 pgstat
->stats
.sum
.add(stat
);
10253 void PrimaryLogPG::kick_object_context_blocked(ObjectContextRef obc
)
10255 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
10256 if (obc
->is_blocked()) {
10257 dout(10) << __func__
<< " " << soid
<< " still blocked" << dendl
;
10261 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
= waiting_for_blocked_object
.find(soid
);
10262 if (p
!= waiting_for_blocked_object
.end()) {
10263 list
<OpRequestRef
>& ls
= p
->second
;
10264 dout(10) << __func__
<< " " << soid
<< " requeuing " << ls
.size() << " requests" << dendl
;
10266 waiting_for_blocked_object
.erase(p
);
10269 map
<hobject_t
, ObjectContextRef
>::iterator i
=
10270 objects_blocked_on_snap_promotion
.find(obc
->obs
.oi
.soid
.get_head());
10271 if (i
!= objects_blocked_on_snap_promotion
.end()) {
10272 assert(i
->second
== obc
);
10273 objects_blocked_on_snap_promotion
.erase(i
);
10276 if (obc
->requeue_scrub_on_unblock
) {
10277 obc
->requeue_scrub_on_unblock
= false;
10282 SnapSetContext
*PrimaryLogPG::get_snapset_context(
10283 const hobject_t
& oid
,
10285 const map
<string
, bufferlist
> *attrs
,
10288 Mutex::Locker
l(snapset_contexts_lock
);
10289 SnapSetContext
*ssc
;
10290 map
<hobject_t
, SnapSetContext
*>::iterator p
= snapset_contexts
.find(
10291 oid
.get_snapdir());
10292 if (p
!= snapset_contexts
.end()) {
10293 if (can_create
|| p
->second
->exists
) {
10302 if (!(oid
.is_head() && !oid_existed
))
10303 r
= pgbackend
->objects_get_attr(oid
.get_head(), SS_ATTR
, &bv
);
10306 if (!(oid
.is_snapdir() && !oid_existed
))
10307 r
= pgbackend
->objects_get_attr(oid
.get_snapdir(), SS_ATTR
, &bv
);
10308 if (r
< 0 && !can_create
)
10312 assert(attrs
->count(SS_ATTR
));
10313 bv
= attrs
->find(SS_ATTR
)->second
;
10315 ssc
= new SnapSetContext(oid
.get_snapdir());
10316 _register_snapset_context(ssc
);
10318 bufferlist::iterator bvp
= bv
.begin();
10320 ssc
->snapset
.decode(bvp
);
10321 } catch (buffer::error
& e
) {
10322 dout(0) << __func__
<< " Can't decode snapset: " << e
<< dendl
;
10325 ssc
->exists
= true;
10327 ssc
->exists
= false;
10335 void PrimaryLogPG::put_snapset_context(SnapSetContext
*ssc
)
10337 Mutex::Locker
l(snapset_contexts_lock
);
10339 if (ssc
->ref
== 0) {
10340 if (ssc
->registered
)
10341 snapset_contexts
.erase(ssc
->oid
);
10346 /** pull - request object from a peer
10351 * NONE - didn't pull anything
10352 * YES - pulled what the caller wanted
10353 * OTHER - needed to pull something else first (_head or _snapdir)
10355 enum { PULL_NONE
, PULL_OTHER
, PULL_YES
};
10357 int PrimaryLogPG::recover_missing(
10358 const hobject_t
&soid
, eversion_t v
,
10360 PGBackend::RecoveryHandle
*h
)
10362 if (missing_loc
.is_unfound(soid
)) {
10363 dout(7) << "pull " << soid
10365 << " but it is unfound" << dendl
;
10369 if (missing_loc
.is_deleted(soid
)) {
10370 start_recovery_op(soid
);
10371 assert(!recovering
.count(soid
));
10372 recovering
.insert(make_pair(soid
, ObjectContextRef()));
10373 epoch_t cur_epoch
= get_osdmap()->get_epoch();
10374 remove_missing_object(soid
, v
, new FunctionContext(
10377 if (!pg_has_reset_since(cur_epoch
)) {
10378 bool object_missing
= false;
10379 for (const auto& shard
: actingbackfill
) {
10380 if (shard
== pg_whoami
)
10382 if (peer_missing
[shard
].is_missing(soid
)) {
10383 dout(20) << __func__
<< ": soid " << soid
<< " needs to be deleted from replica " << shard
<< dendl
;
10384 object_missing
= true;
10388 if (!object_missing
) {
10389 object_stat_sum_t stat_diff
;
10390 stat_diff
.num_objects_recovered
= 1;
10391 on_global_recover(soid
, stat_diff
, true);
10393 auto recovery_handle
= pgbackend
->open_recovery_op();
10394 pgbackend
->recover_delete_object(soid
, v
, recovery_handle
);
10395 pgbackend
->run_recovery_op(recovery_handle
, priority
);
10403 // is this a snapped object? if so, consult the snapset.. we may not need the entire object!
10404 ObjectContextRef obc
;
10405 ObjectContextRef head_obc
;
10406 if (soid
.snap
&& soid
.snap
< CEPH_NOSNAP
) {
10407 // do we have the head and/or snapdir?
10408 hobject_t head
= soid
.get_head();
10409 if (pg_log
.get_missing().is_missing(head
)) {
10410 if (recovering
.count(head
)) {
10411 dout(10) << " missing but already recovering head " << head
<< dendl
;
10414 int r
= recover_missing(
10415 head
, pg_log
.get_missing().get_items().find(head
)->second
.need
, priority
,
10417 if (r
!= PULL_NONE
)
10422 head
= soid
.get_snapdir();
10423 if (pg_log
.get_missing().is_missing(head
)) {
10424 if (recovering
.count(head
)) {
10425 dout(10) << " missing but already recovering snapdir " << head
<< dendl
;
10428 int r
= recover_missing(
10429 head
, pg_log
.get_missing().get_items().find(head
)->second
.need
, priority
,
10431 if (r
!= PULL_NONE
)
10437 // we must have one or the other
10438 head_obc
= get_object_context(
10443 head_obc
= get_object_context(
10444 soid
.get_snapdir(),
10449 start_recovery_op(soid
);
10450 assert(!recovering
.count(soid
));
10451 recovering
.insert(make_pair(soid
, obc
));
10452 int r
= pgbackend
->recover_object(
10458 // This is only a pull which shouldn't return an error
10463 void PrimaryLogPG::send_remove_op(
10464 const hobject_t
& oid
, eversion_t v
, pg_shard_t peer
)
10466 ceph_tid_t tid
= osd
->get_tid();
10467 osd_reqid_t
rid(osd
->get_cluster_msgr_name(), 0, tid
);
10469 dout(10) << "send_remove_op " << oid
<< " from osd." << peer
10470 << " tid " << tid
<< dendl
;
10472 MOSDSubOp
*subop
= new MOSDSubOp(
10473 rid
, pg_whoami
, spg_t(info
.pgid
.pgid
, peer
.shard
),
10474 oid
, CEPH_OSD_FLAG_ACK
,
10475 get_osdmap()->get_epoch(), tid
, v
);
10476 subop
->ops
= vector
<OSDOp
>(1);
10477 subop
->ops
[0].op
.op
= CEPH_OSD_OP_DELETE
;
10479 osd
->send_message_osd_cluster(peer
.osd
, subop
, get_osdmap()->get_epoch());
10482 void PrimaryLogPG::remove_missing_object(const hobject_t
&soid
,
10483 eversion_t v
, Context
*on_complete
)
10485 dout(20) << __func__
<< " " << soid
<< " " << v
<< dendl
;
10486 assert(on_complete
!= nullptr);
10488 ObjectStore::Transaction t
;
10489 remove_snap_mapped_object(t
, soid
);
10491 ObjectRecoveryInfo recovery_info
;
10492 recovery_info
.soid
= soid
;
10493 recovery_info
.version
= v
;
10495 epoch_t cur_epoch
= get_osdmap()->get_epoch();
10496 t
.register_on_complete(new FunctionContext(
10499 if (!pg_has_reset_since(cur_epoch
)) {
10500 ObjectStore::Transaction t2
;
10501 on_local_recover(soid
, recovery_info
, ObjectContextRef(), true, &t2
);
10502 t2
.register_on_complete(on_complete
);
10503 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t2
), nullptr);
10508 on_complete
->complete(-EAGAIN
);
10511 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), nullptr);
10515 void PrimaryLogPG::finish_degraded_object(const hobject_t
& oid
)
10517 dout(10) << "finish_degraded_object " << oid
<< dendl
;
10518 if (callbacks_for_degraded_object
.count(oid
)) {
10519 list
<Context
*> contexts
;
10520 contexts
.swap(callbacks_for_degraded_object
[oid
]);
10521 callbacks_for_degraded_object
.erase(oid
);
10522 for (list
<Context
*>::iterator i
= contexts
.begin();
10523 i
!= contexts
.end();
10528 map
<hobject_t
, snapid_t
>::iterator i
= objects_blocked_on_degraded_snap
.find(
10530 if (i
!= objects_blocked_on_degraded_snap
.end() &&
10531 i
->second
== oid
.snap
)
10532 objects_blocked_on_degraded_snap
.erase(i
);
10535 void PrimaryLogPG::_committed_pushed_object(
10536 epoch_t epoch
, eversion_t last_complete
)
10539 if (!pg_has_reset_since(epoch
)) {
10540 dout(10) << "_committed_pushed_object last_complete " << last_complete
<< " now ondisk" << dendl
;
10541 last_complete_ondisk
= last_complete
;
10543 if (last_complete_ondisk
== info
.last_update
) {
10544 if (!is_primary()) {
10545 // Either we are a replica or backfill target.
10546 // we are fully up to date. tell the primary!
10547 osd
->send_message_osd_cluster(
10550 get_osdmap()->get_epoch(),
10551 spg_t(info
.pgid
.pgid
, get_primary().shard
),
10552 last_complete_ondisk
),
10553 get_osdmap()->get_epoch());
10555 calc_min_last_complete_ondisk();
10560 dout(10) << "_committed_pushed_object pg has changed, not touching last_complete_ondisk" << dendl
;
10566 void PrimaryLogPG::_applied_recovered_object(ObjectContextRef obc
)
10569 dout(20) << __func__
<< dendl
;
10571 dout(20) << "obc = " << *obc
<< dendl
;
10573 assert(active_pushes
>= 1);
10576 // requeue an active chunky scrub waiting on recovery ops
10577 if (!deleting
&& active_pushes
== 0
10578 && scrubber
.is_chunky_scrub_active()) {
10579 if (ops_blocked_by_scrub()) {
10580 requeue_scrub(true);
10582 requeue_scrub(false);
10588 void PrimaryLogPG::_applied_recovered_object_replica()
10591 dout(20) << __func__
<< dendl
;
10592 assert(active_pushes
>= 1);
10595 // requeue an active chunky scrub waiting on recovery ops
10596 if (!deleting
&& active_pushes
== 0 &&
10597 scrubber
.active_rep_scrub
&& static_cast<const MOSDRepScrub
*>(
10598 scrubber
.active_rep_scrub
->get_req())->chunky
) {
10601 PGQueueable(scrubber
.active_rep_scrub
, get_osdmap()->get_epoch()));
10602 scrubber
.active_rep_scrub
= OpRequestRef();
10607 void PrimaryLogPG::recover_got(hobject_t oid
, eversion_t v
)
10609 dout(10) << "got missing " << oid
<< " v " << v
<< dendl
;
10610 pg_log
.recover_got(oid
, v
, info
);
10611 if (pg_log
.get_log().complete_to
!= pg_log
.get_log().log
.end()) {
10612 dout(10) << "last_complete now " << info
.last_complete
10613 << " log.complete_to " << pg_log
.get_log().complete_to
->version
10616 dout(10) << "last_complete now " << info
.last_complete
10617 << " log.complete_to at end" << dendl
;
10618 //below is not true in the repair case.
10619 //assert(missing.num_missing() == 0); // otherwise, complete_to was wrong.
10620 assert(info
.last_complete
== info
.last_update
);
10624 void PrimaryLogPG::primary_failed(const hobject_t
&soid
)
10626 list
<pg_shard_t
> fl
= { pg_whoami
};
10627 failed_push(fl
, soid
);
10630 void PrimaryLogPG::failed_push(const list
<pg_shard_t
> &from
, const hobject_t
&soid
)
10632 dout(20) << __func__
<< ": " << soid
<< dendl
;
10633 assert(recovering
.count(soid
));
10634 auto obc
= recovering
[soid
];
10636 list
<OpRequestRef
> blocked_ops
;
10637 obc
->drop_recovery_read(&blocked_ops
);
10638 requeue_ops(blocked_ops
);
10640 recovering
.erase(soid
);
10641 for (auto&& i
: from
)
10642 missing_loc
.remove_location(soid
, i
);
10643 dout(0) << __func__
<< " " << soid
<< " from shard " << from
10644 << ", reps on " << missing_loc
.get_locations(soid
)
10645 << " unfound? " << missing_loc
.is_unfound(soid
) << dendl
;
10646 finish_recovery_op(soid
); // close out this attempt,
10649 void PrimaryLogPG::sub_op_remove(OpRequestRef op
)
10651 const MOSDSubOp
*m
= static_cast<const MOSDSubOp
*>(op
->get_req());
10652 assert(m
->get_type() == MSG_OSD_SUBOP
);
10653 dout(7) << "sub_op_remove " << m
->poid
<< dendl
;
10655 op
->mark_started();
10657 ObjectStore::Transaction t
;
10658 remove_snap_mapped_object(t
, m
->poid
);
10659 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
10663 eversion_t
PrimaryLogPG::pick_newest_available(const hobject_t
& oid
)
10666 pg_missing_item pmi
;
10667 bool is_missing
= pg_log
.get_missing().is_missing(oid
, &pmi
);
10668 assert(is_missing
);
10670 dout(10) << "pick_newest_available " << oid
<< " " << v
<< " on osd." << osd
->whoami
<< " (local)" << dendl
;
10672 assert(!actingbackfill
.empty());
10673 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
10674 i
!= actingbackfill
.end();
10676 if (*i
== get_primary()) continue;
10677 pg_shard_t peer
= *i
;
10678 if (!peer_missing
[peer
].is_missing(oid
)) {
10681 eversion_t h
= peer_missing
[peer
].get_items().at(oid
).have
;
10682 dout(10) << "pick_newest_available " << oid
<< " " << h
<< " on osd." << peer
<< dendl
;
10687 dout(10) << "pick_newest_available " << oid
<< " " << v
<< " (newest)" << dendl
;
10691 void PrimaryLogPG::do_update_log_missing(OpRequestRef
&op
)
10693 const MOSDPGUpdateLogMissing
*m
= static_cast<const MOSDPGUpdateLogMissing
*>(
10695 assert(m
->get_type() == MSG_OSD_PG_UPDATE_LOG_MISSING
);
10696 ObjectStore::Transaction t
;
10697 boost::optional
<eversion_t
> op_trim_to
, op_roll_forward_to
;
10698 if (m
->pg_trim_to
!= eversion_t())
10699 op_trim_to
= m
->pg_trim_to
;
10700 if (m
->pg_roll_forward_to
!= eversion_t())
10701 op_roll_forward_to
= m
->pg_roll_forward_to
;
10703 dout(20) << __func__
<< " op_trim_to = " << op_trim_to
<< " op_roll_forward_to = " << op_roll_forward_to
<< dendl
;
10705 append_log_entries_update_missing(m
->entries
, t
, op_trim_to
, op_roll_forward_to
);
10706 eversion_t new_lcod
= info
.last_complete
;
10708 Context
*complete
= new FunctionContext(
10710 const MOSDPGUpdateLogMissing
*msg
= static_cast<const MOSDPGUpdateLogMissing
*>(
10713 if (!pg_has_reset_since(msg
->get_epoch())) {
10714 update_last_complete_ondisk(new_lcod
);
10715 MOSDPGUpdateLogMissingReply
*reply
=
10716 new MOSDPGUpdateLogMissingReply(
10717 spg_t(info
.pgid
.pgid
, primary_shard().shard
),
10723 reply
->set_priority(CEPH_MSG_PRIO_HIGH
);
10724 msg
->get_connection()->send_message(reply
);
10729 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
10730 t
.register_on_commit(complete
);
10732 /* Hack to work around the fact that ReplicatedBackend sends
10733 * ack+commit if commit happens first
10735 * This behavior is no longer necessary, but we preserve it so old
10736 * primaries can keep their repops in order */
10737 if (pool
.info
.ec_pool()) {
10738 t
.register_on_complete(complete
);
10740 t
.register_on_commit(complete
);
10743 t
.register_on_applied(
10744 new C_OSD_OnApplied
{this, get_osdmap()->get_epoch(), info
.last_update
});
10745 int tr
= osd
->store
->queue_transaction(
10752 void PrimaryLogPG::do_update_log_missing_reply(OpRequestRef
&op
)
10754 const MOSDPGUpdateLogMissingReply
*m
=
10755 static_cast<const MOSDPGUpdateLogMissingReply
*>(
10757 dout(20) << __func__
<< " got reply from "
10758 << m
->get_from() << dendl
;
10760 auto it
= log_entry_update_waiting_on
.find(m
->get_tid());
10761 if (it
!= log_entry_update_waiting_on
.end()) {
10762 if (it
->second
.waiting_on
.count(m
->get_from())) {
10763 it
->second
.waiting_on
.erase(m
->get_from());
10764 if (m
->last_complete_ondisk
!= eversion_t()) {
10765 update_peer_last_complete_ondisk(m
->get_from(), m
->last_complete_ondisk
);
10769 << info
.pgid
<< " got reply "
10770 << *m
<< " from shard we are not waiting for "
10774 if (it
->second
.waiting_on
.empty()) {
10775 repop_all_committed(it
->second
.repop
.get());
10776 log_entry_update_waiting_on
.erase(it
);
10780 << info
.pgid
<< " got reply "
10781 << *m
<< " on unknown tid " << m
->get_tid();
10785 /* Mark all unfound objects as lost.
10787 void PrimaryLogPG::mark_all_unfound_lost(
10792 dout(3) << __func__
<< " " << pg_log_entry_t::get_op_name(what
) << dendl
;
10793 list
<hobject_t
> oids
;
10795 dout(30) << __func__
<< ": log before:\n";
10796 pg_log
.get_log().print(*_dout
);
10799 mempool::osd_pglog::list
<pg_log_entry_t
> log_entries
;
10801 utime_t mtime
= ceph_clock_now();
10802 map
<hobject_t
, pg_missing_item
>::const_iterator m
=
10803 missing_loc
.get_needs_recovery().begin();
10804 map
<hobject_t
, pg_missing_item
>::const_iterator mend
=
10805 missing_loc
.get_needs_recovery().end();
10807 ObcLockManager manager
;
10808 eversion_t v
= get_next_version();
10809 v
.epoch
= get_osdmap()->get_epoch();
10810 uint64_t num_unfound
= missing_loc
.num_unfound();
10811 while (m
!= mend
) {
10812 const hobject_t
&oid(m
->first
);
10813 if (!missing_loc
.is_unfound(oid
)) {
10814 // We only care about unfound objects
10819 ObjectContextRef obc
;
10823 case pg_log_entry_t::LOST_MARK
:
10824 assert(0 == "actually, not implemented yet!");
10827 case pg_log_entry_t::LOST_REVERT
:
10828 prev
= pick_newest_available(oid
);
10829 if (prev
> eversion_t()) {
10832 pg_log_entry_t::LOST_REVERT
, oid
, v
,
10833 m
->second
.need
, 0, osd_reqid_t(), mtime
, 0);
10834 e
.reverting_to
= prev
;
10835 e
.mark_unrollbackable();
10836 log_entries
.push_back(e
);
10837 dout(10) << e
<< dendl
;
10839 // we are now missing the new version; recovery code will sort it out.
10845 case pg_log_entry_t::LOST_DELETE
:
10847 pg_log_entry_t
e(pg_log_entry_t::LOST_DELETE
, oid
, v
, m
->second
.need
,
10848 0, osd_reqid_t(), mtime
, 0);
10849 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
10850 if (pool
.info
.require_rollback()) {
10851 e
.mod_desc
.try_rmobject(v
.version
);
10853 e
.mark_unrollbackable();
10855 } // otherwise, just do what we used to do
10856 dout(10) << e
<< dendl
;
10857 log_entries
.push_back(e
);
10858 oids
.push_back(oid
);
10860 // If context found mark object as deleted in case
10861 // of racing with new creation. This can happen if
10862 // object lost and EIO at primary.
10863 obc
= object_contexts
.lookup(oid
);
10865 obc
->obs
.exists
= false;
10877 info
.stats
.stats_invalid
= true;
10879 submit_log_entries(
10881 std::move(manager
),
10882 boost::optional
<std::function
<void(void)> >(
10883 [this, oids
, con
, num_unfound
, tid
]() {
10884 if (perform_deletes_during_peering()) {
10885 for (auto oid
: oids
) {
10886 // clear old locations - merge_new_log_entries will have
10887 // handled rebuilding missing_loc for each of these
10888 // objects if we have the RECOVERY_DELETES flag
10889 missing_loc
.recovered(oid
);
10893 if (is_recovery_unfound()) {
10894 queue_peering_event(
10896 std::make_shared
<CephPeeringEvt
>(
10897 get_osdmap()->get_epoch(),
10898 get_osdmap()->get_epoch(),
10900 } else if (is_backfill_unfound()) {
10901 queue_peering_event(
10903 std::make_shared
<CephPeeringEvt
>(
10904 get_osdmap()->get_epoch(),
10905 get_osdmap()->get_epoch(),
10906 RequestBackfill())));
10912 ss
<< "pg has " << num_unfound
10913 << " objects unfound and apparently lost marking";
10914 string rs
= ss
.str();
10915 dout(0) << "do_command r=" << 0 << " " << rs
<< dendl
;
10916 osd
->clog
->info() << rs
;
10918 MCommandReply
*reply
= new MCommandReply(0, rs
);
10919 reply
->set_tid(tid
);
10920 con
->send_message(reply
);
10926 void PrimaryLogPG::_split_into(pg_t child_pgid
, PG
*child
, unsigned split_bits
)
10928 assert(repop_queue
.empty());
10932 * pg status change notification
10935 void PrimaryLogPG::apply_and_flush_repops(bool requeue
)
10937 list
<OpRequestRef
> rq
;
10939 // apply all repops
10940 while (!repop_queue
.empty()) {
10941 RepGather
*repop
= repop_queue
.front();
10942 repop_queue
.pop_front();
10943 dout(10) << " canceling repop tid " << repop
->rep_tid
<< dendl
;
10944 repop
->rep_aborted
= true;
10945 repop
->on_applied
.clear();
10946 repop
->on_committed
.clear();
10947 repop
->on_success
.clear();
10951 dout(10) << " requeuing " << *repop
->op
->get_req() << dendl
;
10952 rq
.push_back(repop
->op
);
10953 repop
->op
= OpRequestRef();
10956 // also requeue any dups, interleaved into position
10957 map
<eversion_t
, list
<pair
<OpRequestRef
, version_t
> > >::iterator p
=
10958 waiting_for_ondisk
.find(repop
->v
);
10959 if (p
!= waiting_for_ondisk
.end()) {
10960 dout(10) << " also requeuing ondisk waiters " << p
->second
<< dendl
;
10961 for (list
<pair
<OpRequestRef
, version_t
> >::iterator i
=
10963 i
!= p
->second
.end();
10965 rq
.push_back(i
->first
);
10967 waiting_for_ondisk
.erase(p
);
10971 remove_repop(repop
);
10974 assert(repop_queue
.empty());
10978 if (!waiting_for_ondisk
.empty()) {
10979 for (map
<eversion_t
, list
<pair
<OpRequestRef
, version_t
> > >::iterator i
=
10980 waiting_for_ondisk
.begin();
10981 i
!= waiting_for_ondisk
.end();
10983 for (list
<pair
<OpRequestRef
, version_t
> >::iterator j
=
10985 j
!= i
->second
.end();
10987 derr
<< __func__
<< ": op " << *(j
->first
->get_req()) << " waiting on "
10988 << i
->first
<< dendl
;
10991 assert(waiting_for_ondisk
.empty());
10995 waiting_for_ondisk
.clear();
10998 void PrimaryLogPG::on_flushed()
11000 assert(flushes_in_progress
> 0);
11001 flushes_in_progress
--;
11002 if (flushes_in_progress
== 0) {
11003 requeue_ops(waiting_for_flush
);
11005 if (!is_peered() || !is_primary()) {
11006 pair
<hobject_t
, ObjectContextRef
> i
;
11007 while (object_contexts
.get_next(i
.first
, &i
)) {
11008 derr
<< "on_flushed: object " << i
.first
<< " obc still alive" << dendl
;
11010 assert(object_contexts
.empty());
11012 pgbackend
->on_flushed();
11015 void PrimaryLogPG::on_removal(ObjectStore::Transaction
*t
)
11017 dout(10) << "on_removal" << dendl
;
11019 // adjust info to backfill
11020 info
.set_last_backfill(hobject_t());
11021 pg_log
.reset_backfill();
11026 PGLogEntryHandler rollbacker
{this, t
};
11027 pg_log
.roll_forward(&rollbacker
);
11029 write_if_dirty(*t
);
11035 void PrimaryLogPG::clear_async_reads()
11037 dout(10) << __func__
<< dendl
;
11038 for(auto& i
: in_progress_async_reads
) {
11039 dout(10) << "clear ctx: "
11040 << "OpRequestRef " << i
.first
11041 << " OpContext " << i
.second
11043 close_op_ctx(i
.second
);
11047 void PrimaryLogPG::on_shutdown()
11049 dout(10) << "on_shutdown" << dendl
;
11051 // remove from queues
11052 osd
->pg_stat_queue_dequeue(this);
11053 osd
->peering_wq
.dequeue(this);
11055 // handles queue races
11058 if (recovery_queued
) {
11059 recovery_queued
= false;
11060 osd
->clear_queued_recovery(this);
11063 clear_scrub_reserved();
11064 scrub_clear_state();
11066 unreg_next_scrub();
11068 vector
<ceph_tid_t
> tids
;
11069 cancel_copy_ops(false, &tids
);
11070 cancel_flush_ops(false, &tids
);
11071 cancel_proxy_ops(false, &tids
);
11072 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
11074 apply_and_flush_repops(false);
11075 cancel_log_updates();
11076 // we must remove PGRefs, so do this this prior to release_backoffs() callers
11078 // clean up snap trim references
11079 snap_trimmer_machine
.process_event(Reset());
11081 pgbackend
->on_change();
11083 context_registry_on_change();
11084 object_contexts
.clear();
11086 clear_async_reads();
11088 osd
->remote_reserver
.cancel_reservation(info
.pgid
);
11089 osd
->local_reserver
.cancel_reservation(info
.pgid
);
11091 clear_primary_state();
11095 void PrimaryLogPG::on_activate()
11098 if (needs_recovery()) {
11099 dout(10) << "activate not all replicas are up-to-date, queueing recovery" << dendl
;
11100 queue_peering_event(
11102 std::make_shared
<CephPeeringEvt
>(
11103 get_osdmap()->get_epoch(),
11104 get_osdmap()->get_epoch(),
11106 } else if (needs_backfill()) {
11107 dout(10) << "activate queueing backfill" << dendl
;
11108 queue_peering_event(
11110 std::make_shared
<CephPeeringEvt
>(
11111 get_osdmap()->get_epoch(),
11112 get_osdmap()->get_epoch(),
11113 RequestBackfill())));
11115 dout(10) << "activate all replicas clean, no recovery" << dendl
;
11116 eio_errors_to_process
= false;
11117 queue_peering_event(
11119 std::make_shared
<CephPeeringEvt
>(
11120 get_osdmap()->get_epoch(),
11121 get_osdmap()->get_epoch(),
11122 AllReplicasRecovered())));
11125 publish_stats_to_osd();
11127 if (!backfill_targets
.empty()) {
11128 last_backfill_started
= earliest_backfill();
11129 new_backfill
= true;
11130 assert(!last_backfill_started
.is_max());
11131 dout(5) << "on activate: bft=" << backfill_targets
11132 << " from " << last_backfill_started
<< dendl
;
11133 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11134 i
!= backfill_targets
.end();
11136 dout(5) << "target shard " << *i
11137 << " from " << peer_info
[*i
].last_backfill
11146 void PrimaryLogPG::_on_new_interval()
11148 dout(20) << __func__
<< " checking missing set deletes flag. missing = " << pg_log
.get_missing() << dendl
;
11149 if (!pg_log
.get_missing().may_include_deletes
&&
11150 get_osdmap()->test_flag(CEPH_OSDMAP_RECOVERY_DELETES
)) {
11151 pg_log
.rebuild_missing_set_with_deletes(osd
->store
, coll
, info
);
11153 assert(pg_log
.get_missing().may_include_deletes
== get_osdmap()->test_flag(CEPH_OSDMAP_RECOVERY_DELETES
));
11156 void PrimaryLogPG::on_change(ObjectStore::Transaction
*t
)
11158 dout(10) << "on_change" << dendl
;
11160 if (hit_set
&& hit_set
->insert_count() == 0) {
11161 dout(20) << " discarding empty hit_set" << dendl
;
11165 if (recovery_queued
) {
11166 recovery_queued
= false;
11167 osd
->clear_queued_recovery(this);
11170 // requeue everything in the reverse order they should be
11172 requeue_ops(waiting_for_peered
);
11173 requeue_ops(waiting_for_flush
);
11174 requeue_ops(waiting_for_active
);
11176 clear_scrub_reserved();
11178 vector
<ceph_tid_t
> tids
;
11179 cancel_copy_ops(is_primary(), &tids
);
11180 cancel_flush_ops(is_primary(), &tids
);
11181 cancel_proxy_ops(is_primary(), &tids
);
11182 osd
->objecter
->op_cancel(tids
, -ECANCELED
);
11184 // requeue object waiters
11185 for (auto& p
: waiting_for_unreadable_object
) {
11186 release_backoffs(p
.first
);
11188 if (is_primary()) {
11189 requeue_object_waiters(waiting_for_unreadable_object
);
11191 waiting_for_unreadable_object
.clear();
11193 for (map
<hobject_t
,list
<OpRequestRef
>>::iterator p
= waiting_for_degraded_object
.begin();
11194 p
!= waiting_for_degraded_object
.end();
11195 waiting_for_degraded_object
.erase(p
++)) {
11196 release_backoffs(p
->first
);
11198 requeue_ops(p
->second
);
11201 finish_degraded_object(p
->first
);
11204 // requeues waiting_for_scrub
11205 scrub_clear_state();
11207 for (auto p
= waiting_for_blocked_object
.begin();
11208 p
!= waiting_for_blocked_object
.end();
11209 waiting_for_blocked_object
.erase(p
++)) {
11211 requeue_ops(p
->second
);
11215 for (auto i
= callbacks_for_degraded_object
.begin();
11216 i
!= callbacks_for_degraded_object
.end();
11218 finish_degraded_object((i
++)->first
);
11220 assert(callbacks_for_degraded_object
.empty());
11222 if (is_primary()) {
11223 requeue_ops(waiting_for_cache_not_full
);
11225 waiting_for_cache_not_full
.clear();
11227 objects_blocked_on_cache_full
.clear();
11229 for (list
<pair
<OpRequestRef
, OpContext
*> >::iterator i
=
11230 in_progress_async_reads
.begin();
11231 i
!= in_progress_async_reads
.end();
11232 in_progress_async_reads
.erase(i
++)) {
11233 close_op_ctx(i
->second
);
11235 requeue_op(i
->first
);
11238 // this will requeue ops we were working on but didn't finish, and
11240 apply_and_flush_repops(is_primary());
11241 cancel_log_updates();
11243 // do this *after* apply_and_flush_repops so that we catch any newly
11244 // registered watches.
11245 context_registry_on_change();
11247 pgbackend
->on_change_cleanup(t
);
11248 scrubber
.cleanup_store(t
);
11249 pgbackend
->on_change();
11251 // clear snap_trimmer state
11252 snap_trimmer_machine
.process_event(Reset());
11254 debug_op_order
.clear();
11255 unstable_stats
.clear();
11257 // we don't want to cache object_contexts through the interval change
11258 // NOTE: we actually assert that all currently live references are dead
11259 // by the time the flush for the next interval completes.
11260 object_contexts
.clear();
11262 // should have been cleared above by finishing all of the degraded objects
11263 assert(objects_blocked_on_degraded_snap
.empty());
11266 void PrimaryLogPG::on_role_change()
11268 dout(10) << "on_role_change" << dendl
;
11269 if (get_role() != 0 && hit_set
) {
11270 dout(10) << " clearing hit set" << dendl
;
11275 void PrimaryLogPG::on_pool_change()
11277 dout(10) << __func__
<< dendl
;
11278 // requeue cache full waiters just in case the cache_mode is
11279 // changing away from writeback mode. note that if we are not
11280 // active the normal requeuing machinery is sufficient (and properly
11283 pool
.info
.cache_mode
!= pg_pool_t::CACHEMODE_WRITEBACK
&&
11284 !waiting_for_cache_not_full
.empty()) {
11285 dout(10) << __func__
<< " requeuing full waiters (not in writeback) "
11287 requeue_ops(waiting_for_cache_not_full
);
11288 objects_blocked_on_cache_full
.clear();
11294 // clear state. called on recovery completion AND cancellation.
11295 void PrimaryLogPG::_clear_recovery_state()
11297 missing_loc
.clear();
11298 #ifdef DEBUG_RECOVERY_OIDS
11299 recovering_oids
.clear();
11301 last_backfill_started
= hobject_t();
11302 set
<hobject_t
>::iterator i
= backfills_in_flight
.begin();
11303 while (i
!= backfills_in_flight
.end()) {
11304 assert(recovering
.count(*i
));
11305 backfills_in_flight
.erase(i
++);
11308 list
<OpRequestRef
> blocked_ops
;
11309 for (map
<hobject_t
, ObjectContextRef
>::iterator i
= recovering
.begin();
11310 i
!= recovering
.end();
11311 recovering
.erase(i
++)) {
11313 i
->second
->drop_recovery_read(&blocked_ops
);
11314 requeue_ops(blocked_ops
);
11317 assert(backfills_in_flight
.empty());
11318 pending_backfill_updates
.clear();
11319 assert(recovering
.empty());
11320 pgbackend
->clear_recovery_state();
11323 void PrimaryLogPG::cancel_pull(const hobject_t
&soid
)
11325 dout(20) << __func__
<< ": " << soid
<< dendl
;
11326 assert(recovering
.count(soid
));
11327 ObjectContextRef obc
= recovering
[soid
];
11329 list
<OpRequestRef
> blocked_ops
;
11330 obc
->drop_recovery_read(&blocked_ops
);
11331 requeue_ops(blocked_ops
);
11333 recovering
.erase(soid
);
11334 finish_recovery_op(soid
);
11335 release_backoffs(soid
);
11336 if (waiting_for_degraded_object
.count(soid
)) {
11337 dout(20) << " kicking degraded waiters on " << soid
<< dendl
;
11338 requeue_ops(waiting_for_degraded_object
[soid
]);
11339 waiting_for_degraded_object
.erase(soid
);
11341 if (waiting_for_unreadable_object
.count(soid
)) {
11342 dout(20) << " kicking unreadable waiters on " << soid
<< dendl
;
11343 requeue_ops(waiting_for_unreadable_object
[soid
]);
11344 waiting_for_unreadable_object
.erase(soid
);
11346 if (is_missing_object(soid
))
11347 pg_log
.set_last_requested(0); // get recover_primary to start over
11348 finish_degraded_object(soid
);
11351 void PrimaryLogPG::check_recovery_sources(const OSDMapRef
& osdmap
)
11354 * check that any peers we are planning to (or currently) pulling
11355 * objects from are dealt with.
11357 missing_loc
.check_recovery_sources(osdmap
);
11358 pgbackend
->check_recovery_sources(osdmap
);
11360 for (set
<pg_shard_t
>::iterator i
= peer_log_requested
.begin();
11361 i
!= peer_log_requested
.end();
11363 if (!osdmap
->is_up(i
->osd
)) {
11364 dout(10) << "peer_log_requested removing " << *i
<< dendl
;
11365 peer_log_requested
.erase(i
++);
11371 for (set
<pg_shard_t
>::iterator i
= peer_missing_requested
.begin();
11372 i
!= peer_missing_requested
.end();
11374 if (!osdmap
->is_up(i
->osd
)) {
11375 dout(10) << "peer_missing_requested removing " << *i
<< dendl
;
11376 peer_missing_requested
.erase(i
++);
11383 void PG::MissingLoc::check_recovery_sources(const OSDMapRef
& osdmap
)
11385 set
<pg_shard_t
> now_down
;
11386 for (set
<pg_shard_t
>::iterator p
= missing_loc_sources
.begin();
11387 p
!= missing_loc_sources
.end();
11389 if (osdmap
->is_up(p
->osd
)) {
11393 ldout(pg
->cct
, 10) << "check_recovery_sources source osd." << *p
<< " now down" << dendl
;
11394 now_down
.insert(*p
);
11395 missing_loc_sources
.erase(p
++);
11398 if (now_down
.empty()) {
11399 ldout(pg
->cct
, 10) << "check_recovery_sources no source osds (" << missing_loc_sources
<< ") went down" << dendl
;
11401 ldout(pg
->cct
, 10) << "check_recovery_sources sources osds " << now_down
<< " now down, remaining sources are "
11402 << missing_loc_sources
<< dendl
;
11404 // filter missing_loc
11405 map
<hobject_t
, set
<pg_shard_t
>>::iterator p
= missing_loc
.begin();
11406 while (p
!= missing_loc
.end()) {
11407 set
<pg_shard_t
>::iterator q
= p
->second
.begin();
11408 while (q
!= p
->second
.end())
11409 if (now_down
.count(*q
)) {
11410 p
->second
.erase(q
++);
11414 if (p
->second
.empty())
11415 missing_loc
.erase(p
++);
11423 bool PrimaryLogPG::start_recovery_ops(
11425 ThreadPool::TPHandle
&handle
,
11426 uint64_t *ops_started
)
11428 uint64_t& started
= *ops_started
;
11430 bool work_in_progress
= false;
11431 assert(is_primary());
11433 if (!state_test(PG_STATE_RECOVERING
) &&
11434 !state_test(PG_STATE_BACKFILLING
)) {
11435 /* TODO: I think this case is broken and will make do_recovery()
11436 * unhappy since we're returning false */
11437 dout(10) << "recovery raced and were queued twice, ignoring!" << dendl
;
11441 const auto &missing
= pg_log
.get_missing();
11443 unsigned int num_missing
= missing
.num_missing();
11444 uint64_t num_unfound
= get_num_unfound();
11446 if (num_missing
== 0) {
11447 info
.last_complete
= info
.last_update
;
11450 if (num_missing
== num_unfound
) {
11451 // All of the missing objects we have are unfound.
11452 // Recover the replicas.
11453 started
= recover_replicas(max
, handle
);
11456 // We still have missing objects that we should grab from replicas.
11457 started
+= recover_primary(max
, handle
);
11459 if (!started
&& num_unfound
!= get_num_unfound()) {
11460 // second chance to recovery replicas
11461 started
= recover_replicas(max
, handle
);
11465 work_in_progress
= true;
11467 bool deferred_backfill
= false;
11468 if (recovering
.empty() &&
11469 state_test(PG_STATE_BACKFILLING
) &&
11470 !backfill_targets
.empty() && started
< max
&&
11471 missing
.num_missing() == 0 &&
11472 waiting_on_backfill
.empty()) {
11473 if (get_osdmap()->test_flag(CEPH_OSDMAP_NOBACKFILL
)) {
11474 dout(10) << "deferring backfill due to NOBACKFILL" << dendl
;
11475 deferred_backfill
= true;
11476 } else if (get_osdmap()->test_flag(CEPH_OSDMAP_NOREBALANCE
) &&
11478 dout(10) << "deferring backfill due to NOREBALANCE" << dendl
;
11479 deferred_backfill
= true;
11480 } else if (!backfill_reserved
) {
11481 dout(10) << "deferring backfill due to !backfill_reserved" << dendl
;
11482 if (!backfill_reserving
) {
11483 dout(10) << "queueing RequestBackfill" << dendl
;
11484 backfill_reserving
= true;
11485 queue_peering_event(
11487 std::make_shared
<CephPeeringEvt
>(
11488 get_osdmap()->get_epoch(),
11489 get_osdmap()->get_epoch(),
11490 RequestBackfill())));
11492 deferred_backfill
= true;
11494 started
+= recover_backfill(max
- started
, handle
, &work_in_progress
);
11498 dout(10) << " started " << started
<< dendl
;
11499 osd
->logger
->inc(l_osd_rop
, started
);
11501 if (!recovering
.empty() ||
11502 work_in_progress
|| recovery_ops_active
> 0 || deferred_backfill
)
11503 return work_in_progress
;
11505 assert(recovering
.empty());
11506 assert(recovery_ops_active
== 0);
11508 dout(10) << __func__
<< " needs_recovery: "
11509 << missing_loc
.get_needs_recovery()
11511 dout(10) << __func__
<< " missing_loc: "
11512 << missing_loc
.get_missing_locs()
11514 int unfound
= get_num_unfound();
11516 dout(10) << " still have " << unfound
<< " unfound" << dendl
;
11517 return work_in_progress
;
11520 if (missing
.num_missing() > 0) {
11521 // this shouldn't happen!
11522 osd
->clog
->error() << info
.pgid
<< " Unexpected Error: recovery ending with "
11523 << missing
.num_missing() << ": " << missing
.get_items();
11524 return work_in_progress
;
11527 if (needs_recovery()) {
11528 // this shouldn't happen!
11529 // We already checked num_missing() so we must have missing replicas
11530 osd
->clog
->error() << info
.pgid
11531 << " Unexpected Error: recovery ending with missing replicas";
11532 return work_in_progress
;
11535 if (state_test(PG_STATE_RECOVERING
)) {
11536 state_clear(PG_STATE_RECOVERING
);
11537 state_clear(PG_STATE_FORCED_RECOVERY
);
11538 if (needs_backfill()) {
11539 dout(10) << "recovery done, queuing backfill" << dendl
;
11540 queue_peering_event(
11542 std::make_shared
<CephPeeringEvt
>(
11543 get_osdmap()->get_epoch(),
11544 get_osdmap()->get_epoch(),
11545 RequestBackfill())));
11547 dout(10) << "recovery done, no backfill" << dendl
;
11548 eio_errors_to_process
= false;
11549 state_clear(PG_STATE_FORCED_BACKFILL
);
11550 queue_peering_event(
11552 std::make_shared
<CephPeeringEvt
>(
11553 get_osdmap()->get_epoch(),
11554 get_osdmap()->get_epoch(),
11555 AllReplicasRecovered())));
11557 } else { // backfilling
11558 state_clear(PG_STATE_BACKFILLING
);
11559 state_clear(PG_STATE_FORCED_BACKFILL
);
11560 state_clear(PG_STATE_FORCED_RECOVERY
);
11561 dout(10) << "recovery done, backfill done" << dendl
;
11562 eio_errors_to_process
= false;
11563 queue_peering_event(
11565 std::make_shared
<CephPeeringEvt
>(
11566 get_osdmap()->get_epoch(),
11567 get_osdmap()->get_epoch(),
11575 * do one recovery op.
11576 * return true if done, false if nothing left to do.
11578 uint64_t PrimaryLogPG::recover_primary(uint64_t max
, ThreadPool::TPHandle
&handle
)
11580 assert(is_primary());
11582 const auto &missing
= pg_log
.get_missing();
11584 dout(10) << "recover_primary recovering " << recovering
.size()
11585 << " in pg" << dendl
;
11586 dout(10) << "recover_primary " << missing
<< dendl
;
11587 dout(25) << "recover_primary " << missing
.get_items() << dendl
;
11590 pg_log_entry_t
*latest
= 0;
11591 unsigned started
= 0;
11594 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11595 map
<version_t
, hobject_t
>::const_iterator p
=
11596 missing
.get_rmissing().lower_bound(pg_log
.get_log().last_requested
);
11597 while (p
!= missing
.get_rmissing().end()) {
11598 handle
.reset_tp_timeout();
11600 version_t v
= p
->first
;
11602 if (pg_log
.get_log().objects
.count(p
->second
)) {
11603 latest
= pg_log
.get_log().objects
.find(p
->second
)->second
;
11604 assert(latest
->is_update() || latest
->is_delete());
11605 soid
= latest
->soid
;
11610 const pg_missing_item
& item
= missing
.get_items().find(p
->second
)->second
;
11613 hobject_t head
= soid
.get_head();
11615 eversion_t need
= item
.need
;
11617 dout(10) << "recover_primary "
11618 << soid
<< " " << item
.need
11619 << (missing
.is_missing(soid
) ? " (missing)":"")
11620 << (missing
.is_missing(head
) ? " (missing head)":"")
11621 << (recovering
.count(soid
) ? " (recovering)":"")
11622 << (recovering
.count(head
) ? " (recovering head)":"")
11626 switch (latest
->op
) {
11627 case pg_log_entry_t::CLONE
:
11629 * Handling for this special case removed for now, until we
11630 * can correctly construct an accurate SnapSet from the old
11635 case pg_log_entry_t::LOST_REVERT
:
11637 if (item
.have
== latest
->reverting_to
) {
11638 ObjectContextRef obc
= get_object_context(soid
, true);
11640 if (obc
->obs
.oi
.version
== latest
->version
) {
11641 // I'm already reverting
11642 dout(10) << " already reverting " << soid
<< dendl
;
11644 dout(10) << " reverting " << soid
<< " to " << latest
->prior_version
<< dendl
;
11645 obc
->ondisk_write_lock();
11646 obc
->obs
.oi
.version
= latest
->version
;
11648 ObjectStore::Transaction t
;
11650 obc
->obs
.oi
.encode(
11652 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
11653 assert(!pool
.info
.require_rollback());
11654 t
.setattr(coll
, ghobject_t(soid
), OI_ATTR
, b2
);
11656 recover_got(soid
, latest
->version
);
11657 missing_loc
.add_location(soid
, pg_whoami
);
11661 osd
->store
->queue_transaction(osr
.get(), std::move(t
),
11662 new C_OSD_AppliedRecoveredObject(this, obc
),
11663 new C_OSD_CommittedPushedObject(
11665 get_osdmap()->get_epoch(),
11666 info
.last_complete
),
11667 new C_OSD_OndiskWriteUnlock(obc
));
11672 * Pull the old version of the object. Update missing_loc here to have the location
11673 * of the version we want.
11675 * This doesn't use the usual missing_loc paths, but that's okay:
11676 * - if we have it locally, we hit the case above, and go from there.
11677 * - if we don't, we always pass through this case during recovery and set up the location
11679 * - this way we don't need to mangle the missing code to be general about needing an old
11682 eversion_t alternate_need
= latest
->reverting_to
;
11683 dout(10) << " need to pull prior_version " << alternate_need
<< " for revert " << item
<< dendl
;
11685 for (map
<pg_shard_t
, pg_missing_t
>::iterator p
= peer_missing
.begin();
11686 p
!= peer_missing
.end();
11688 if (p
->second
.is_missing(soid
, need
) &&
11689 p
->second
.get_items().at(soid
).have
== alternate_need
) {
11690 missing_loc
.add_location(soid
, p
->first
);
11692 dout(10) << " will pull " << alternate_need
<< " or " << need
11693 << " from one of " << missing_loc
.get_locations(soid
)
11701 if (!recovering
.count(soid
)) {
11702 if (recovering
.count(head
)) {
11705 int r
= recover_missing(
11706 soid
, need
, get_recovery_op_priority(), h
);
11719 if (started
>= max
)
11724 // only advance last_requested if we haven't skipped anything
11726 pg_log
.set_last_requested(v
);
11729 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11733 bool PrimaryLogPG::primary_error(
11734 const hobject_t
& soid
, eversion_t v
)
11736 pg_log
.missing_add(soid
, v
, eversion_t());
11737 pg_log
.set_last_requested(0);
11738 missing_loc
.remove_location(soid
, pg_whoami
);
11740 assert(!actingbackfill
.empty());
11741 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
11742 i
!= actingbackfill
.end();
11744 if (*i
== get_primary()) continue;
11745 pg_shard_t peer
= *i
;
11746 if (!peer_missing
[peer
].is_missing(soid
, v
)) {
11747 missing_loc
.add_location(soid
, peer
);
11748 dout(10) << info
.pgid
<< " unexpectedly missing " << soid
<< " v" << v
11749 << ", there should be a copy on shard " << peer
<< dendl
;
11754 osd
->clog
->error() << info
.pgid
<< " missing primary copy of " << soid
<< ", unfound";
11756 osd
->clog
->error() << info
.pgid
<< " missing primary copy of " << soid
11757 << ", will try copies on " << missing_loc
.get_locations(soid
);
11761 int PrimaryLogPG::prep_object_replica_deletes(
11762 const hobject_t
& soid
, eversion_t v
,
11763 PGBackend::RecoveryHandle
*h
)
11765 assert(is_primary());
11766 dout(10) << __func__
<< ": on " << soid
<< dendl
;
11768 start_recovery_op(soid
);
11769 assert(!recovering
.count(soid
));
11770 recovering
.insert(make_pair(soid
, ObjectContextRef()));
11772 pgbackend
->recover_delete_object(soid
, v
, h
);
11776 int PrimaryLogPG::prep_object_replica_pushes(
11777 const hobject_t
& soid
, eversion_t v
,
11778 PGBackend::RecoveryHandle
*h
)
11780 assert(is_primary());
11781 dout(10) << __func__
<< ": on " << soid
<< dendl
;
11783 // NOTE: we know we will get a valid oloc off of disk here.
11784 ObjectContextRef obc
= get_object_context(soid
, false);
11786 primary_error(soid
, v
);
11790 if (!obc
->get_recovery_read()) {
11791 dout(20) << "recovery delayed on " << soid
11792 << "; could not get rw_manager lock" << dendl
;
11795 dout(20) << "recovery got recovery read lock on " << soid
11799 start_recovery_op(soid
);
11800 assert(!recovering
.count(soid
));
11801 recovering
.insert(make_pair(soid
, obc
));
11803 /* We need this in case there is an in progress write on the object. In fact,
11804 * the only possible write is an update to the xattr due to a lost_revert --
11805 * a client write would be blocked since the object is degraded.
11806 * In almost all cases, therefore, this lock should be uncontended.
11808 obc
->ondisk_read_lock();
11809 int r
= pgbackend
->recover_object(
11812 ObjectContextRef(),
11813 obc
, // has snapset context
11815 obc
->ondisk_read_unlock();
11817 dout(0) << __func__
<< " Error " << r
<< " on oid " << soid
<< dendl
;
11818 primary_failed(soid
);
11819 primary_error(soid
, v
);
11825 uint64_t PrimaryLogPG::recover_replicas(uint64_t max
, ThreadPool::TPHandle
&handle
)
11827 dout(10) << __func__
<< "(" << max
<< ")" << dendl
;
11828 uint64_t started
= 0;
11830 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11832 // this is FAR from an optimal recovery order. pretty lame, really.
11833 assert(!actingbackfill
.empty());
11834 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
11835 i
!= actingbackfill
.end();
11837 if (*i
== get_primary()) continue;
11838 pg_shard_t peer
= *i
;
11839 map
<pg_shard_t
, pg_missing_t
>::const_iterator pm
= peer_missing
.find(peer
);
11840 assert(pm
!= peer_missing
.end());
11841 map
<pg_shard_t
, pg_info_t
>::const_iterator pi
= peer_info
.find(peer
);
11842 assert(pi
!= peer_info
.end());
11843 size_t m_sz
= pm
->second
.num_missing();
11845 dout(10) << " peer osd." << peer
<< " missing " << m_sz
<< " objects." << dendl
;
11846 dout(20) << " peer osd." << peer
<< " missing " << pm
->second
.get_items() << dendl
;
11849 const pg_missing_t
&m(pm
->second
);
11850 for (map
<version_t
, hobject_t
>::const_iterator p
= m
.get_rmissing().begin();
11851 p
!= m
.get_rmissing().end() && started
< max
;
11853 handle
.reset_tp_timeout();
11854 const hobject_t
soid(p
->second
);
11856 if (missing_loc
.is_unfound(soid
)) {
11857 dout(10) << __func__
<< ": " << soid
<< " still unfound" << dendl
;
11861 if (soid
> pi
->second
.last_backfill
) {
11862 if (!recovering
.count(soid
)) {
11863 derr
<< __func__
<< ": object " << soid
<< " last_backfill " << pi
->second
.last_backfill
<< dendl
;
11864 derr
<< __func__
<< ": object added to missing set for backfill, but "
11865 << "is not in recovering, error!" << dendl
;
11871 if (recovering
.count(soid
)) {
11872 dout(10) << __func__
<< ": already recovering " << soid
<< dendl
;
11876 if (missing_loc
.is_deleted(soid
)) {
11877 dout(10) << __func__
<< ": " << soid
<< " is a delete, removing" << dendl
;
11878 map
<hobject_t
,pg_missing_item
>::const_iterator r
= m
.get_items().find(soid
);
11879 started
+= prep_object_replica_deletes(soid
, r
->second
.need
, h
);
11883 if (soid
.is_snap() && pg_log
.get_missing().is_missing(soid
.get_head())) {
11884 dout(10) << __func__
<< ": " << soid
.get_head()
11885 << " still missing on primary" << dendl
;
11889 if (soid
.is_snap() && pg_log
.get_missing().is_missing(soid
.get_snapdir())) {
11890 dout(10) << __func__
<< ": " << soid
.get_snapdir()
11891 << " still missing on primary" << dendl
;
11895 if (pg_log
.get_missing().is_missing(soid
)) {
11896 dout(10) << __func__
<< ": " << soid
<< " still missing on primary" << dendl
;
11900 dout(10) << __func__
<< ": recover_object_replicas(" << soid
<< ")" << dendl
;
11901 map
<hobject_t
,pg_missing_item
>::const_iterator r
= m
.get_items().find(soid
);
11902 started
+= prep_object_replica_pushes(soid
, r
->second
.need
,
11907 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11911 hobject_t
PrimaryLogPG::earliest_peer_backfill() const
11913 hobject_t e
= hobject_t::get_max();
11914 for (set
<pg_shard_t
>::const_iterator i
= backfill_targets
.begin();
11915 i
!= backfill_targets
.end();
11917 pg_shard_t peer
= *i
;
11918 map
<pg_shard_t
, BackfillInterval
>::const_iterator iter
=
11919 peer_backfill_info
.find(peer
);
11920 assert(iter
!= peer_backfill_info
.end());
11921 if (iter
->second
.begin
< e
)
11922 e
= iter
->second
.begin
;
11927 bool PrimaryLogPG::all_peer_done() const
11929 // Primary hasn't got any more objects
11930 assert(backfill_info
.empty());
11932 for (set
<pg_shard_t
>::const_iterator i
= backfill_targets
.begin();
11933 i
!= backfill_targets
.end();
11935 pg_shard_t bt
= *i
;
11936 map
<pg_shard_t
, BackfillInterval
>::const_iterator piter
=
11937 peer_backfill_info
.find(bt
);
11938 assert(piter
!= peer_backfill_info
.end());
11939 const BackfillInterval
& pbi
= piter
->second
;
11940 // See if peer has more to process
11941 if (!pbi
.extends_to_end() || !pbi
.empty())
11952 * backfilled: fully pushed to replica or present in replica's missing set (both
11953 * our copy and theirs).
11955 * All objects on a backfill_target in
11956 * [MIN,peer_backfill_info[backfill_target].begin) are valid; logically-removed
11957 * objects have been actually deleted and all logically-valid objects are replicated.
11958 * There may be PG objects in this interval yet to be backfilled.
11960 * All objects in PG in [MIN,backfill_info.begin) have been backfilled to all
11961 * backfill_targets. There may be objects on backfill_target(s) yet to be deleted.
11963 * For a backfill target, all objects < MIN(peer_backfill_info[target].begin,
11964 * backfill_info.begin) in PG are backfilled. No deleted objects in this
11965 * interval remain on the backfill target.
11967 * For a backfill target, all objects <= peer_info[target].last_backfill
11968 * have been backfilled to target
11970 * There *MAY* be missing/outdated objects between last_backfill_started and
11971 * MIN(peer_backfill_info[*].begin, backfill_info.begin) in the event that client
11972 * io created objects since the last scan. For this reason, we call
11973 * update_range() again before continuing backfill.
11975 uint64_t PrimaryLogPG::recover_backfill(
11977 ThreadPool::TPHandle
&handle
, bool *work_started
)
11979 dout(10) << "recover_backfill (" << max
<< ")"
11980 << " bft=" << backfill_targets
11981 << " last_backfill_started " << last_backfill_started
11982 << (new_backfill
? " new_backfill":"")
11984 assert(!backfill_targets
.empty());
11986 // Initialize from prior backfill state
11987 if (new_backfill
) {
11988 // on_activate() was called prior to getting here
11989 assert(last_backfill_started
== earliest_backfill());
11990 new_backfill
= false;
11992 // initialize BackfillIntervals
11993 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11994 i
!= backfill_targets
.end();
11996 peer_backfill_info
[*i
].reset(peer_info
[*i
].last_backfill
);
11998 backfill_info
.reset(last_backfill_started
);
12000 backfills_in_flight
.clear();
12001 pending_backfill_updates
.clear();
12004 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12005 i
!= backfill_targets
.end();
12007 dout(10) << "peer osd." << *i
12008 << " info " << peer_info
[*i
]
12009 << " interval " << peer_backfill_info
[*i
].begin
12010 << "-" << peer_backfill_info
[*i
].end
12011 << " " << peer_backfill_info
[*i
].objects
.size() << " objects"
12015 // update our local interval to cope with recent changes
12016 backfill_info
.begin
= last_backfill_started
;
12017 update_range(&backfill_info
, handle
);
12020 vector
<boost::tuple
<hobject_t
, eversion_t
, pg_shard_t
> > to_remove
;
12021 set
<hobject_t
> add_to_stat
;
12023 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12024 i
!= backfill_targets
.end();
12026 peer_backfill_info
[*i
].trim_to(
12027 std::max(peer_info
[*i
].last_backfill
, last_backfill_started
));
12029 backfill_info
.trim_to(last_backfill_started
);
12031 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
12032 while (ops
< max
) {
12033 if (backfill_info
.begin
<= earliest_peer_backfill() &&
12034 !backfill_info
.extends_to_end() && backfill_info
.empty()) {
12035 hobject_t next
= backfill_info
.end
;
12036 backfill_info
.reset(next
);
12037 backfill_info
.end
= hobject_t::get_max();
12038 update_range(&backfill_info
, handle
);
12039 backfill_info
.trim();
12042 dout(20) << " my backfill interval " << backfill_info
<< dendl
;
12044 bool sent_scan
= false;
12045 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12046 i
!= backfill_targets
.end();
12048 pg_shard_t bt
= *i
;
12049 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12051 dout(20) << " peer shard " << bt
<< " backfill " << pbi
<< dendl
;
12052 if (pbi
.begin
<= backfill_info
.begin
&&
12053 !pbi
.extends_to_end() && pbi
.empty()) {
12054 dout(10) << " scanning peer osd." << bt
<< " from " << pbi
.end
<< dendl
;
12055 epoch_t e
= get_osdmap()->get_epoch();
12056 MOSDPGScan
*m
= new MOSDPGScan(
12057 MOSDPGScan::OP_SCAN_GET_DIGEST
, pg_whoami
, e
, last_peering_reset
,
12058 spg_t(info
.pgid
.pgid
, bt
.shard
),
12059 pbi
.end
, hobject_t());
12060 osd
->send_message_osd_cluster(bt
.osd
, m
, get_osdmap()->get_epoch());
12061 assert(waiting_on_backfill
.find(bt
) == waiting_on_backfill
.end());
12062 waiting_on_backfill
.insert(bt
);
12067 // Count simultaneous scans as a single op and let those complete
12070 start_recovery_op(hobject_t::get_max()); // XXX: was pbi.end
12074 if (backfill_info
.empty() && all_peer_done()) {
12075 dout(10) << " reached end for both local and all peers" << dendl
;
12079 // Get object within set of peers to operate on and
12080 // the set of targets for which that object applies.
12081 hobject_t check
= earliest_peer_backfill();
12083 if (check
< backfill_info
.begin
) {
12085 set
<pg_shard_t
> check_targets
;
12086 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12087 i
!= backfill_targets
.end();
12089 pg_shard_t bt
= *i
;
12090 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12091 if (pbi
.begin
== check
)
12092 check_targets
.insert(bt
);
12094 assert(!check_targets
.empty());
12096 dout(20) << " BACKFILL removing " << check
12097 << " from peers " << check_targets
<< dendl
;
12098 for (set
<pg_shard_t
>::iterator i
= check_targets
.begin();
12099 i
!= check_targets
.end();
12101 pg_shard_t bt
= *i
;
12102 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12103 assert(pbi
.begin
== check
);
12105 to_remove
.push_back(boost::make_tuple(check
, pbi
.objects
.begin()->second
, bt
));
12109 /* This requires a bit of explanation. We compare head against
12110 * last_backfill to determine whether to send an operation
12111 * to the replica. A single write operation can touch up to three
12112 * objects: head, the snapdir, and a new clone which sorts closer to
12113 * head than any existing clone. If last_backfill points at a clone,
12114 * the transaction won't be sent and all 3 must lie on the right side
12115 * of the line (i.e., we'll backfill them later). If last_backfill
12116 * points at snapdir, it sorts greater than head, so we send the
12117 * transaction which is correct because all three must lie to the left
12120 * If it points at head, we have a bit of an issue. If head actually
12121 * exists, no problem, because any transaction which touches snapdir
12122 * must end up creating it (and deleting head), so sending the
12123 * operation won't pose a problem -- we'll end up having to scan it,
12124 * but it'll end up being the right version so we won't bother to
12125 * rebackfill it. However, if head doesn't exist, any write on head
12126 * will remove snapdir. For a replicated pool, this isn't a problem,
12127 * ENOENT on remove isn't an issue and it's in backfill future anyway.
12128 * It only poses a problem for EC pools, because we never just delete
12129 * an object, we rename it into a rollback object. That operation
12130 * will end up crashing the osd with ENOENT. Tolerating the failure
12131 * wouldn't work either, even if snapdir exists, we'd be creating a
12132 * rollback object past the last_backfill line which wouldn't get
12133 * cleaned up (no rollback objects past the last_backfill line is an
12134 * existing important invariant). Thus, let's avoid the whole issue
12135 * by just not updating last_backfill_started here if head doesn't
12136 * exist and snapdir does. We aren't using up a recovery count here,
12137 * so we're going to recover snapdir immediately anyway. We'll only
12138 * fail "backward" if we fail to get the rw lock and that just means
12139 * we'll re-process this section of the hash space again.
12141 * I'm choosing this hack here because the really "correct" answer is
12142 * going to be to unify snapdir and head into a single object (a
12143 * snapdir is really just a confusing way to talk about head existing
12144 * as a whiteout), but doing that is going to be a somewhat larger
12147 * @see http://tracker.ceph.com/issues/17668
12149 if (!(check
.is_head() &&
12150 backfill_info
.begin
.is_snapdir() &&
12151 check
== backfill_info
.begin
.get_head()))
12152 last_backfill_started
= check
;
12154 // Don't increment ops here because deletions
12155 // are cheap and not replied to unlike real recovery_ops,
12156 // and we can't increment ops without requeueing ourself
12159 eversion_t
& obj_v
= backfill_info
.objects
.begin()->second
;
12161 vector
<pg_shard_t
> need_ver_targs
, missing_targs
, keep_ver_targs
, skip_targs
;
12162 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12163 i
!= backfill_targets
.end();
12165 pg_shard_t bt
= *i
;
12166 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12167 // Find all check peers that have the wrong version
12168 if (check
== backfill_info
.begin
&& check
== pbi
.begin
) {
12169 if (pbi
.objects
.begin()->second
!= obj_v
) {
12170 need_ver_targs
.push_back(bt
);
12172 keep_ver_targs
.push_back(bt
);
12175 pg_info_t
& pinfo
= peer_info
[bt
];
12177 // Only include peers that we've caught up to their backfill line
12178 // otherwise, they only appear to be missing this object
12179 // because their pbi.begin > backfill_info.begin.
12180 if (backfill_info
.begin
> pinfo
.last_backfill
)
12181 missing_targs
.push_back(bt
);
12183 skip_targs
.push_back(bt
);
12187 if (!keep_ver_targs
.empty()) {
12188 // These peers have version obj_v
12189 dout(20) << " BACKFILL keeping " << check
12190 << " with ver " << obj_v
12191 << " on peers " << keep_ver_targs
<< dendl
;
12192 //assert(!waiting_for_degraded_object.count(check));
12194 if (!need_ver_targs
.empty() || !missing_targs
.empty()) {
12195 ObjectContextRef obc
= get_object_context(backfill_info
.begin
, false);
12197 if (obc
->get_recovery_read()) {
12198 if (!need_ver_targs
.empty()) {
12199 dout(20) << " BACKFILL replacing " << check
12200 << " with ver " << obj_v
12201 << " to peers " << need_ver_targs
<< dendl
;
12203 if (!missing_targs
.empty()) {
12204 dout(20) << " BACKFILL pushing " << backfill_info
.begin
12205 << " with ver " << obj_v
12206 << " to peers " << missing_targs
<< dendl
;
12208 vector
<pg_shard_t
> all_push
= need_ver_targs
;
12209 all_push
.insert(all_push
.end(), missing_targs
.begin(), missing_targs
.end());
12211 handle
.reset_tp_timeout();
12212 int r
= prep_backfill_object_push(backfill_info
.begin
, obj_v
, obc
, all_push
, h
);
12214 *work_started
= true;
12215 dout(0) << __func__
<< " Error " << r
<< " trying to backfill " << backfill_info
.begin
<< dendl
;
12220 *work_started
= true;
12221 dout(20) << "backfill blocking on " << backfill_info
.begin
12222 << "; could not get rw_manager lock" << dendl
;
12226 dout(20) << "need_ver_targs=" << need_ver_targs
12227 << " keep_ver_targs=" << keep_ver_targs
<< dendl
;
12228 dout(20) << "backfill_targets=" << backfill_targets
12229 << " missing_targs=" << missing_targs
12230 << " skip_targs=" << skip_targs
<< dendl
;
12232 last_backfill_started
= backfill_info
.begin
;
12233 add_to_stat
.insert(backfill_info
.begin
); // XXX: Only one for all pushes?
12234 backfill_info
.pop_front();
12235 vector
<pg_shard_t
> check_targets
= need_ver_targs
;
12236 check_targets
.insert(check_targets
.end(), keep_ver_targs
.begin(), keep_ver_targs
.end());
12237 for (vector
<pg_shard_t
>::iterator i
= check_targets
.begin();
12238 i
!= check_targets
.end();
12240 pg_shard_t bt
= *i
;
12241 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
12247 hobject_t backfill_pos
=
12248 std::min(backfill_info
.begin
, earliest_peer_backfill());
12250 for (set
<hobject_t
>::iterator i
= add_to_stat
.begin();
12251 i
!= add_to_stat
.end();
12253 ObjectContextRef obc
= get_object_context(*i
, false);
12256 add_object_context_to_pg_stat(obc
, &stat
);
12257 pending_backfill_updates
[*i
] = stat
;
12259 if (HAVE_FEATURE(get_min_upacting_features(), SERVER_LUMINOUS
)) {
12260 map
<pg_shard_t
,MOSDPGBackfillRemove
*> reqs
;
12261 for (unsigned i
= 0; i
< to_remove
.size(); ++i
) {
12262 handle
.reset_tp_timeout();
12263 const hobject_t
& oid
= to_remove
[i
].get
<0>();
12264 eversion_t v
= to_remove
[i
].get
<1>();
12265 pg_shard_t peer
= to_remove
[i
].get
<2>();
12266 MOSDPGBackfillRemove
*m
;
12267 auto it
= reqs
.find(peer
);
12268 if (it
!= reqs
.end()) {
12271 m
= reqs
[peer
] = new MOSDPGBackfillRemove(
12272 spg_t(info
.pgid
.pgid
, peer
.shard
),
12273 get_osdmap()->get_epoch());
12275 m
->ls
.push_back(make_pair(oid
, v
));
12277 if (oid
<= last_backfill_started
)
12278 pending_backfill_updates
[oid
]; // add empty stat!
12280 for (auto p
: reqs
) {
12281 osd
->send_message_osd_cluster(p
.first
.osd
, p
.second
,
12282 get_osdmap()->get_epoch());
12285 // for jewel targets
12286 for (unsigned i
= 0; i
< to_remove
.size(); ++i
) {
12287 handle
.reset_tp_timeout();
12289 // ordered before any subsequent updates
12290 send_remove_op(to_remove
[i
].get
<0>(), to_remove
[i
].get
<1>(),
12291 to_remove
[i
].get
<2>());
12293 if (to_remove
[i
].get
<0>() <= last_backfill_started
)
12294 pending_backfill_updates
[to_remove
[i
].get
<0>()]; // add empty stat!
12298 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
12300 dout(5) << "backfill_pos is " << backfill_pos
<< dendl
;
12301 for (set
<hobject_t
>::iterator i
= backfills_in_flight
.begin();
12302 i
!= backfills_in_flight
.end();
12304 dout(20) << *i
<< " is still in flight" << dendl
;
12307 hobject_t next_backfill_to_complete
= backfills_in_flight
.empty() ?
12308 backfill_pos
: *(backfills_in_flight
.begin());
12309 hobject_t new_last_backfill
= earliest_backfill();
12310 dout(10) << "starting new_last_backfill at " << new_last_backfill
<< dendl
;
12311 for (map
<hobject_t
, pg_stat_t
>::iterator i
=
12312 pending_backfill_updates
.begin();
12313 i
!= pending_backfill_updates
.end() &&
12314 i
->first
< next_backfill_to_complete
;
12315 pending_backfill_updates
.erase(i
++)) {
12316 dout(20) << " pending_backfill_update " << i
->first
<< dendl
;
12317 assert(i
->first
> new_last_backfill
);
12318 for (set
<pg_shard_t
>::iterator j
= backfill_targets
.begin();
12319 j
!= backfill_targets
.end();
12321 pg_shard_t bt
= *j
;
12322 pg_info_t
& pinfo
= peer_info
[bt
];
12323 //Add stats to all peers that were missing object
12324 if (i
->first
> pinfo
.last_backfill
)
12325 pinfo
.stats
.add(i
->second
);
12327 new_last_backfill
= i
->first
;
12329 dout(10) << "possible new_last_backfill at " << new_last_backfill
<< dendl
;
12331 assert(!pending_backfill_updates
.empty() ||
12332 new_last_backfill
== last_backfill_started
);
12333 if (pending_backfill_updates
.empty() &&
12334 backfill_pos
.is_max()) {
12335 assert(backfills_in_flight
.empty());
12336 new_last_backfill
= backfill_pos
;
12337 last_backfill_started
= backfill_pos
;
12339 dout(10) << "final new_last_backfill at " << new_last_backfill
<< dendl
;
12341 // If new_last_backfill == MAX, then we will send OP_BACKFILL_FINISH to
12342 // all the backfill targets. Otherwise, we will move last_backfill up on
12343 // those targets need it and send OP_BACKFILL_PROGRESS to them.
12344 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
12345 i
!= backfill_targets
.end();
12347 pg_shard_t bt
= *i
;
12348 pg_info_t
& pinfo
= peer_info
[bt
];
12350 if (new_last_backfill
> pinfo
.last_backfill
) {
12351 pinfo
.set_last_backfill(new_last_backfill
);
12352 epoch_t e
= get_osdmap()->get_epoch();
12353 MOSDPGBackfill
*m
= NULL
;
12354 if (pinfo
.last_backfill
.is_max()) {
12355 m
= new MOSDPGBackfill(
12356 MOSDPGBackfill::OP_BACKFILL_FINISH
,
12358 last_peering_reset
,
12359 spg_t(info
.pgid
.pgid
, bt
.shard
));
12360 // Use default priority here, must match sub_op priority
12361 /* pinfo.stats might be wrong if we did log-based recovery on the
12362 * backfilled portion in addition to continuing backfill.
12364 pinfo
.stats
= info
.stats
;
12365 start_recovery_op(hobject_t::get_max());
12367 m
= new MOSDPGBackfill(
12368 MOSDPGBackfill::OP_BACKFILL_PROGRESS
,
12370 last_peering_reset
,
12371 spg_t(info
.pgid
.pgid
, bt
.shard
));
12372 // Use default priority here, must match sub_op priority
12374 m
->last_backfill
= pinfo
.last_backfill
;
12375 m
->stats
= pinfo
.stats
;
12376 osd
->send_message_osd_cluster(bt
.osd
, m
, get_osdmap()->get_epoch());
12377 dout(10) << " peer " << bt
12378 << " num_objects now " << pinfo
.stats
.stats
.sum
.num_objects
12379 << " / " << info
.stats
.stats
.sum
.num_objects
<< dendl
;
12384 *work_started
= true;
12388 int PrimaryLogPG::prep_backfill_object_push(
12389 hobject_t oid
, eversion_t v
,
12390 ObjectContextRef obc
,
12391 vector
<pg_shard_t
> peers
,
12392 PGBackend::RecoveryHandle
*h
)
12394 dout(10) << __func__
<< " " << oid
<< " v " << v
<< " to peers " << peers
<< dendl
;
12395 assert(!peers
.empty());
12397 backfills_in_flight
.insert(oid
);
12398 for (unsigned int i
= 0 ; i
< peers
.size(); ++i
) {
12399 map
<pg_shard_t
, pg_missing_t
>::iterator bpm
= peer_missing
.find(peers
[i
]);
12400 assert(bpm
!= peer_missing
.end());
12401 bpm
->second
.add(oid
, eversion_t(), eversion_t(), false);
12404 assert(!recovering
.count(oid
));
12406 start_recovery_op(oid
);
12407 recovering
.insert(make_pair(oid
, obc
));
12409 // We need to take the read_lock here in order to flush in-progress writes
12410 obc
->ondisk_read_lock();
12411 int r
= pgbackend
->recover_object(
12414 ObjectContextRef(),
12417 obc
->ondisk_read_unlock();
12419 dout(0) << __func__
<< " Error " << r
<< " on oid " << oid
<< dendl
;
12420 primary_failed(oid
);
12421 primary_error(oid
, v
);
12422 backfills_in_flight
.erase(oid
);
12423 missing_loc
.add_missing(oid
, v
, eversion_t());
12428 void PrimaryLogPG::update_range(
12429 BackfillInterval
*bi
,
12430 ThreadPool::TPHandle
&handle
)
12432 int local_min
= cct
->_conf
->osd_backfill_scan_min
;
12433 int local_max
= cct
->_conf
->osd_backfill_scan_max
;
12435 if (bi
->version
< info
.log_tail
) {
12436 dout(10) << __func__
<< ": bi is old, rescanning local backfill_info"
12438 if (last_update_applied
>= info
.log_tail
) {
12439 bi
->version
= last_update_applied
;
12442 bi
->version
= info
.last_update
;
12444 scan_range(local_min
, local_max
, bi
, handle
);
12447 if (bi
->version
>= projected_last_update
) {
12448 dout(10) << __func__
<< ": bi is current " << dendl
;
12449 assert(bi
->version
== projected_last_update
);
12450 } else if (bi
->version
>= info
.log_tail
) {
12451 if (pg_log
.get_log().empty() && projected_log
.empty()) {
12452 /* Because we don't move log_tail on split, the log might be
12453 * empty even if log_tail != last_update. However, the only
12454 * way to get here with an empty log is if log_tail is actually
12455 * eversion_t(), because otherwise the entry which changed
12456 * last_update since the last scan would have to be present.
12458 assert(bi
->version
== eversion_t());
12462 dout(10) << __func__
<< ": bi is old, (" << bi
->version
12463 << ") can be updated with log to projected_last_update "
12464 << projected_last_update
<< dendl
;
12466 auto func
= [&](const pg_log_entry_t
&e
) {
12467 dout(10) << __func__
<< ": updating from version " << e
.version
12469 const hobject_t
&soid
= e
.soid
;
12470 if (soid
>= bi
->begin
&&
12472 if (e
.is_update()) {
12473 dout(10) << __func__
<< ": " << e
.soid
<< " updated to version "
12474 << e
.version
<< dendl
;
12475 bi
->objects
.erase(e
.soid
);
12476 bi
->objects
.insert(
12480 } else if (e
.is_delete()) {
12481 dout(10) << __func__
<< ": " << e
.soid
<< " removed" << dendl
;
12482 bi
->objects
.erase(e
.soid
);
12486 dout(10) << "scanning pg log first" << dendl
;
12487 pg_log
.get_log().scan_log_after(bi
->version
, func
);
12488 dout(10) << "scanning projected log" << dendl
;
12489 projected_log
.scan_log_after(bi
->version
, func
);
12490 bi
->version
= projected_last_update
;
12492 assert(0 == "scan_range should have raised bi->version past log_tail");
12496 void PrimaryLogPG::scan_range(
12497 int min
, int max
, BackfillInterval
*bi
,
12498 ThreadPool::TPHandle
&handle
)
12500 assert(is_locked());
12501 dout(10) << "scan_range from " << bi
->begin
<< dendl
;
12502 bi
->clear_objects();
12504 vector
<hobject_t
> ls
;
12506 int r
= pgbackend
->objects_list_partial(bi
->begin
, min
, max
, &ls
, &bi
->end
);
12508 dout(10) << " got " << ls
.size() << " items, next " << bi
->end
<< dendl
;
12509 dout(20) << ls
<< dendl
;
12511 for (vector
<hobject_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
) {
12512 handle
.reset_tp_timeout();
12513 ObjectContextRef obc
;
12515 obc
= object_contexts
.lookup(*p
);
12517 bi
->objects
[*p
] = obc
->obs
.oi
.version
;
12518 dout(20) << " " << *p
<< " " << obc
->obs
.oi
.version
<< dendl
;
12521 int r
= pgbackend
->objects_get_attr(*p
, OI_ATTR
, &bl
);
12523 /* If the object does not exist here, it must have been removed
12524 * between the collection_list_partial and here. This can happen
12525 * for the first item in the range, which is usually last_backfill.
12531 object_info_t
oi(bl
);
12532 bi
->objects
[*p
] = oi
.version
;
12533 dout(20) << " " << *p
<< " " << oi
.version
<< dendl
;
12541 * verifies that stray objects have been deleted
12543 void PrimaryLogPG::check_local()
12545 dout(10) << __func__
<< dendl
;
12547 assert(info
.last_update
>= pg_log
.get_tail()); // otherwise we need some help!
12549 if (!cct
->_conf
->osd_debug_verify_stray_on_activate
)
12552 // just scan the log.
12553 set
<hobject_t
> did
;
12554 for (list
<pg_log_entry_t
>::const_reverse_iterator p
= pg_log
.get_log().log
.rbegin();
12555 p
!= pg_log
.get_log().log
.rend();
12557 if (did
.count(p
->soid
))
12559 did
.insert(p
->soid
);
12561 if (p
->is_delete() && !is_missing_object(p
->soid
)) {
12562 dout(10) << " checking " << p
->soid
12563 << " at " << p
->version
<< dendl
;
12565 int r
= osd
->store
->stat(
12567 ghobject_t(p
->soid
, ghobject_t::NO_GEN
, pg_whoami
.shard
),
12569 if (r
!= -ENOENT
) {
12570 derr
<< __func__
<< " " << p
->soid
<< " exists, but should have been "
12571 << "deleted" << dendl
;
12572 assert(0 == "erroneously present object");
12575 // ignore old(+missing) objects
12582 // ===========================
12585 hobject_t
PrimaryLogPG::get_hit_set_current_object(utime_t stamp
)
12588 ss
<< "hit_set_" << info
.pgid
.pgid
<< "_current_" << stamp
;
12589 hobject_t
hoid(sobject_t(ss
.str(), CEPH_NOSNAP
), "",
12590 info
.pgid
.ps(), info
.pgid
.pool(),
12591 cct
->_conf
->osd_hit_set_namespace
);
12592 dout(20) << __func__
<< " " << hoid
<< dendl
;
12596 hobject_t
PrimaryLogPG::get_hit_set_archive_object(utime_t start
,
12601 ss
<< "hit_set_" << info
.pgid
.pgid
<< "_archive_";
12603 start
.gmtime(ss
) << "_";
12606 start
.localtime(ss
) << "_";
12609 hobject_t
hoid(sobject_t(ss
.str(), CEPH_NOSNAP
), "",
12610 info
.pgid
.ps(), info
.pgid
.pool(),
12611 cct
->_conf
->osd_hit_set_namespace
);
12612 dout(20) << __func__
<< " " << hoid
<< dendl
;
12616 void PrimaryLogPG::hit_set_clear()
12618 dout(20) << __func__
<< dendl
;
12620 hit_set_start_stamp
= utime_t();
12623 void PrimaryLogPG::hit_set_setup()
12625 if (!is_active() ||
12631 if (is_active() && is_primary() &&
12632 (!pool
.info
.hit_set_count
||
12633 !pool
.info
.hit_set_period
||
12634 pool
.info
.hit_set_params
.get_type() == HitSet::TYPE_NONE
)) {
12637 // only primary is allowed to remove all the hit set objects
12638 hit_set_remove_all();
12642 // FIXME: discard any previous data for now
12645 // include any writes we know about from the pg log. this doesn't
12646 // capture reads, but it is better than nothing!
12647 hit_set_apply_log();
12650 void PrimaryLogPG::hit_set_remove_all()
12652 // If any archives are degraded we skip this
12653 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12654 p
!= info
.hit_set
.history
.end();
12656 hobject_t aoid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12658 // Once we hit a degraded object just skip
12659 if (is_degraded_or_backfilling_object(aoid
))
12661 if (scrubber
.write_blocked_by_scrub(aoid
))
12665 if (!info
.hit_set
.history
.empty()) {
12666 list
<pg_hit_set_info_t
>::reverse_iterator p
= info
.hit_set
.history
.rbegin();
12667 assert(p
!= info
.hit_set
.history
.rend());
12668 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12669 assert(!is_degraded_or_backfilling_object(oid
));
12670 ObjectContextRef obc
= get_object_context(oid
, false);
12673 OpContextUPtr ctx
= simple_opc_create(obc
);
12674 ctx
->at_version
= get_next_version();
12675 ctx
->updated_hset_history
= info
.hit_set
;
12676 utime_t now
= ceph_clock_now();
12678 hit_set_trim(ctx
, 0);
12679 simple_opc_submit(std::move(ctx
));
12682 info
.hit_set
= pg_hit_set_history_t();
12684 agent_state
->discard_hit_sets();
12688 void PrimaryLogPG::hit_set_create()
12690 utime_t now
= ceph_clock_now();
12691 // make a copy of the params to modify
12692 HitSet::Params
params(pool
.info
.hit_set_params
);
12694 dout(20) << __func__
<< " " << params
<< dendl
;
12695 if (pool
.info
.hit_set_params
.get_type() == HitSet::TYPE_BLOOM
) {
12696 BloomHitSet::Params
*p
=
12697 static_cast<BloomHitSet::Params
*>(params
.impl
.get());
12699 // convert false positive rate so it holds up across the full period
12700 p
->set_fpp(p
->get_fpp() / pool
.info
.hit_set_count
);
12701 if (p
->get_fpp() <= 0.0)
12702 p
->set_fpp(.01); // fpp cannot be zero!
12704 // if we don't have specified size, estimate target size based on the
12706 if (p
->target_size
== 0 && hit_set
) {
12707 utime_t dur
= now
- hit_set_start_stamp
;
12708 unsigned unique
= hit_set
->approx_unique_insert_count();
12709 dout(20) << __func__
<< " previous set had approx " << unique
12710 << " unique items over " << dur
<< " seconds" << dendl
;
12711 p
->target_size
= (double)unique
* (double)pool
.info
.hit_set_period
12714 if (p
->target_size
<
12715 static_cast<uint64_t>(cct
->_conf
->osd_hit_set_min_size
))
12716 p
->target_size
= cct
->_conf
->osd_hit_set_min_size
;
12719 > static_cast<uint64_t>(cct
->_conf
->osd_hit_set_max_size
))
12720 p
->target_size
= cct
->_conf
->osd_hit_set_max_size
;
12722 p
->seed
= now
.sec();
12724 dout(10) << __func__
<< " target_size " << p
->target_size
12725 << " fpp " << p
->get_fpp() << dendl
;
12727 hit_set
.reset(new HitSet(params
));
12728 hit_set_start_stamp
= now
;
12732 * apply log entries to set
12734 * this would only happen after peering, to at least capture writes
12735 * during an interval that was potentially lost.
12737 bool PrimaryLogPG::hit_set_apply_log()
12742 eversion_t to
= info
.last_update
;
12743 eversion_t from
= info
.hit_set
.current_last_update
;
12745 dout(20) << __func__
<< " no update" << dendl
;
12749 dout(20) << __func__
<< " " << to
<< " .. " << info
.last_update
<< dendl
;
12750 list
<pg_log_entry_t
>::const_reverse_iterator p
= pg_log
.get_log().log
.rbegin();
12751 while (p
!= pg_log
.get_log().log
.rend() && p
->version
> to
)
12753 while (p
!= pg_log
.get_log().log
.rend() && p
->version
> from
) {
12754 hit_set
->insert(p
->soid
);
12761 void PrimaryLogPG::hit_set_persist()
12763 dout(10) << __func__
<< dendl
;
12765 unsigned max
= pool
.info
.hit_set_count
;
12767 utime_t now
= ceph_clock_now();
12770 // If any archives are degraded we skip this persist request
12771 // account for the additional entry being added below
12772 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12773 p
!= info
.hit_set
.history
.end();
12775 hobject_t aoid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12777 // Once we hit a degraded object just skip further trim
12778 if (is_degraded_or_backfilling_object(aoid
))
12780 if (scrubber
.write_blocked_by_scrub(aoid
))
12784 // If backfill is in progress and we could possibly overlap with the
12785 // hit_set_* objects, back off. Since these all have
12786 // hobject_t::hash set to pgid.ps(), and those sort first, we can
12787 // look just at that. This is necessary because our transactions
12788 // may include a modify of the new hit_set *and* a delete of the
12789 // old one, and this may span the backfill boundary.
12790 for (set
<pg_shard_t
>::iterator p
= backfill_targets
.begin();
12791 p
!= backfill_targets
.end();
12793 assert(peer_info
.count(*p
));
12794 const pg_info_t
& pi
= peer_info
[*p
];
12795 if (pi
.last_backfill
== hobject_t() ||
12796 pi
.last_backfill
.get_hash() == info
.pgid
.ps()) {
12797 dout(10) << __func__
<< " backfill target osd." << *p
12798 << " last_backfill has not progressed past pgid ps"
12805 pg_hit_set_info_t new_hset
= pg_hit_set_info_t(pool
.info
.use_gmt_hitset
);
12806 new_hset
.begin
= hit_set_start_stamp
;
12807 new_hset
.end
= now
;
12808 oid
= get_hit_set_archive_object(
12811 new_hset
.using_gmt
);
12813 // If the current object is degraded we skip this persist request
12814 if (scrubber
.write_blocked_by_scrub(oid
))
12818 ::encode(*hit_set
, bl
);
12819 dout(20) << __func__
<< " archive " << oid
<< dendl
;
12822 agent_state
->add_hit_set(new_hset
.begin
, hit_set
);
12823 uint32_t size
= agent_state
->hit_set_map
.size();
12824 if (size
>= pool
.info
.hit_set_count
) {
12825 size
= pool
.info
.hit_set_count
> 0 ? pool
.info
.hit_set_count
- 1: 0;
12827 hit_set_in_memory_trim(size
);
12830 ObjectContextRef obc
= get_object_context(oid
, true);
12831 OpContextUPtr ctx
= simple_opc_create(obc
);
12833 ctx
->at_version
= get_next_version();
12834 ctx
->updated_hset_history
= info
.hit_set
;
12835 pg_hit_set_history_t
&updated_hit_set_hist
= *(ctx
->updated_hset_history
);
12837 updated_hit_set_hist
.current_last_update
= info
.last_update
;
12838 new_hset
.version
= ctx
->at_version
;
12840 updated_hit_set_hist
.history
.push_back(new_hset
);
12843 // fabricate an object_info_t and SnapSet
12844 obc
->obs
.oi
.version
= ctx
->at_version
;
12845 obc
->obs
.oi
.mtime
= now
;
12846 obc
->obs
.oi
.size
= bl
.length();
12847 obc
->obs
.exists
= true;
12848 obc
->obs
.oi
.set_data_digest(bl
.crc32c(-1));
12850 ctx
->new_obs
= obc
->obs
;
12852 obc
->ssc
->snapset
.head_exists
= true;
12853 ctx
->new_snapset
= obc
->ssc
->snapset
;
12855 ctx
->delta_stats
.num_objects
++;
12856 ctx
->delta_stats
.num_objects_hit_set_archive
++;
12857 ctx
->delta_stats
.num_bytes
+= bl
.length();
12858 ctx
->delta_stats
.num_bytes_hit_set_archive
+= bl
.length();
12861 ::encode(ctx
->new_snapset
, bss
);
12862 bufferlist
boi(sizeof(ctx
->new_obs
.oi
));
12863 ::encode(ctx
->new_obs
.oi
, boi
,
12864 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
12866 ctx
->op_t
->create(oid
);
12868 ctx
->op_t
->write(oid
, 0, bl
.length(), bl
, 0);
12870 map
<string
, bufferlist
> attrs
;
12871 attrs
[OI_ATTR
].claim(boi
);
12872 attrs
[SS_ATTR
].claim(bss
);
12873 setattrs_maybe_cache(ctx
->obc
, ctx
.get(), ctx
->op_t
.get(), attrs
);
12874 ctx
->log
.push_back(
12876 pg_log_entry_t::MODIFY
,
12886 hit_set_trim(ctx
, max
);
12888 simple_opc_submit(std::move(ctx
));
12891 void PrimaryLogPG::hit_set_trim(OpContextUPtr
&ctx
, unsigned max
)
12893 assert(ctx
->updated_hset_history
);
12894 pg_hit_set_history_t
&updated_hit_set_hist
=
12895 *(ctx
->updated_hset_history
);
12896 for (unsigned num
= updated_hit_set_hist
.history
.size(); num
> max
; --num
) {
12897 list
<pg_hit_set_info_t
>::iterator p
= updated_hit_set_hist
.history
.begin();
12898 assert(p
!= updated_hit_set_hist
.history
.end());
12899 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12901 assert(!is_degraded_or_backfilling_object(oid
));
12903 dout(20) << __func__
<< " removing " << oid
<< dendl
;
12904 ++ctx
->at_version
.version
;
12905 ctx
->log
.push_back(
12906 pg_log_entry_t(pg_log_entry_t::DELETE
,
12915 ctx
->op_t
->remove(oid
);
12916 updated_hit_set_hist
.history
.pop_front();
12918 ObjectContextRef obc
= get_object_context(oid
, false);
12920 --ctx
->delta_stats
.num_objects
;
12921 --ctx
->delta_stats
.num_objects_hit_set_archive
;
12922 ctx
->delta_stats
.num_bytes
-= obc
->obs
.oi
.size
;
12923 ctx
->delta_stats
.num_bytes_hit_set_archive
-= obc
->obs
.oi
.size
;
12927 void PrimaryLogPG::hit_set_in_memory_trim(uint32_t max_in_memory
)
12929 while (agent_state
->hit_set_map
.size() > max_in_memory
) {
12930 agent_state
->remove_oldest_hit_set();
12935 // =======================================
12938 void PrimaryLogPG::agent_setup()
12940 assert(is_locked());
12941 if (!is_active() ||
12943 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
||
12944 pool
.info
.tier_of
< 0 ||
12945 !get_osdmap()->have_pg_pool(pool
.info
.tier_of
)) {
12949 if (!agent_state
) {
12950 agent_state
.reset(new TierAgentState
);
12952 // choose random starting position
12953 agent_state
->position
= hobject_t();
12954 agent_state
->position
.pool
= info
.pgid
.pool();
12955 agent_state
->position
.set_hash(pool
.info
.get_random_pg_position(
12958 agent_state
->start
= agent_state
->position
;
12960 dout(10) << __func__
<< " allocated new state, position "
12961 << agent_state
->position
<< dendl
;
12963 dout(10) << __func__
<< " keeping existing state" << dendl
;
12966 if (info
.stats
.stats_invalid
) {
12967 osd
->clog
->warn() << "pg " << info
.pgid
<< " has invalid (post-split) stats; must scrub before tier agent can activate";
12970 agent_choose_mode();
12973 void PrimaryLogPG::agent_clear()
12976 agent_state
.reset(NULL
);
12979 // Return false if no objects operated on since start of object hash space
12980 bool PrimaryLogPG::agent_work(int start_max
, int agent_flush_quota
)
12983 if (!agent_state
) {
12984 dout(10) << __func__
<< " no agent state, stopping" << dendl
;
12991 if (agent_state
->is_idle()) {
12992 dout(10) << __func__
<< " idle, stopping" << dendl
;
12997 osd
->logger
->inc(l_osd_agent_wake
);
12999 dout(10) << __func__
13000 << " max " << start_max
13001 << ", flush " << agent_state
->get_flush_mode_name()
13002 << ", evict " << agent_state
->get_evict_mode_name()
13003 << ", pos " << agent_state
->position
13005 assert(is_primary());
13006 assert(is_active());
13008 agent_load_hit_sets();
13010 const pg_pool_t
*base_pool
= get_osdmap()->get_pg_pool(pool
.info
.tier_of
);
13014 int ls_max
= cct
->_conf
->osd_pool_default_cache_max_evict_check_size
;
13016 // list some objects. this conveniently lists clones (oldest to
13017 // newest) before heads... the same order we want to flush in.
13019 // NOTE: do not flush the Sequencer. we will assume that the
13020 // listing we get back is imprecise.
13021 vector
<hobject_t
> ls
;
13023 int r
= pgbackend
->objects_list_partial(agent_state
->position
, ls_min
, ls_max
,
13026 dout(20) << __func__
<< " got " << ls
.size() << " objects" << dendl
;
13028 for (vector
<hobject_t
>::iterator p
= ls
.begin();
13031 if (p
->nspace
== cct
->_conf
->osd_hit_set_namespace
) {
13032 dout(20) << __func__
<< " skip (hit set) " << *p
<< dendl
;
13033 osd
->logger
->inc(l_osd_agent_skip
);
13036 if (is_degraded_or_backfilling_object(*p
)) {
13037 dout(20) << __func__
<< " skip (degraded) " << *p
<< dendl
;
13038 osd
->logger
->inc(l_osd_agent_skip
);
13041 if (is_missing_object(p
->get_head())) {
13042 dout(20) << __func__
<< " skip (missing head) " << *p
<< dendl
;
13043 osd
->logger
->inc(l_osd_agent_skip
);
13046 ObjectContextRef obc
= get_object_context(*p
, false, NULL
);
13048 // we didn't flush; we may miss something here.
13049 dout(20) << __func__
<< " skip (no obc) " << *p
<< dendl
;
13050 osd
->logger
->inc(l_osd_agent_skip
);
13053 if (!obc
->obs
.exists
) {
13054 dout(20) << __func__
<< " skip (dne) " << obc
->obs
.oi
.soid
<< dendl
;
13055 osd
->logger
->inc(l_osd_agent_skip
);
13058 if (scrubber
.write_blocked_by_scrub(obc
->obs
.oi
.soid
)) {
13059 dout(20) << __func__
<< " skip (scrubbing) " << obc
->obs
.oi
<< dendl
;
13060 osd
->logger
->inc(l_osd_agent_skip
);
13063 if (obc
->is_blocked()) {
13064 dout(20) << __func__
<< " skip (blocked) " << obc
->obs
.oi
<< dendl
;
13065 osd
->logger
->inc(l_osd_agent_skip
);
13068 if (obc
->is_request_pending()) {
13069 dout(20) << __func__
<< " skip (request pending) " << obc
->obs
.oi
<< dendl
;
13070 osd
->logger
->inc(l_osd_agent_skip
);
13074 // be careful flushing omap to an EC pool.
13075 if (!base_pool
->supports_omap() &&
13076 obc
->obs
.oi
.is_omap()) {
13077 dout(20) << __func__
<< " skip (omap to EC) " << obc
->obs
.oi
<< dendl
;
13078 osd
->logger
->inc(l_osd_agent_skip
);
13082 if (agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_IDLE
&&
13083 agent_maybe_evict(obc
, false))
13085 else if (agent_state
->flush_mode
!= TierAgentState::FLUSH_MODE_IDLE
&&
13086 agent_flush_quota
> 0 && agent_maybe_flush(obc
)) {
13088 --agent_flush_quota
;
13090 if (started
>= start_max
) {
13091 // If finishing early, set "next" to the next object
13092 if (++p
!= ls
.end())
13098 if (++agent_state
->hist_age
> cct
->_conf
->osd_agent_hist_halflife
) {
13099 dout(20) << __func__
<< " resetting atime and temp histograms" << dendl
;
13100 agent_state
->hist_age
= 0;
13101 agent_state
->temp_hist
.decay();
13104 // Total objects operated on so far
13105 int total_started
= agent_state
->started
+ started
;
13106 bool need_delay
= false;
13108 dout(20) << __func__
<< " start pos " << agent_state
->position
13109 << " next start pos " << next
13110 << " started " << total_started
<< dendl
;
13112 // See if we've made a full pass over the object hash space
13113 // This might check at most ls_max objects a second time to notice that
13114 // we've checked every objects at least once.
13115 if (agent_state
->position
< agent_state
->start
&&
13116 next
>= agent_state
->start
) {
13117 dout(20) << __func__
<< " wrap around " << agent_state
->start
<< dendl
;
13118 if (total_started
== 0)
13122 agent_state
->start
= next
;
13124 agent_state
->started
= total_started
;
13126 // See if we are starting from beginning
13128 agent_state
->position
= hobject_t();
13130 agent_state
->position
= next
;
13132 // Discard old in memory HitSets
13133 hit_set_in_memory_trim(pool
.info
.hit_set_count
);
13136 assert(agent_state
->delaying
== false);
13141 agent_choose_mode();
13146 void PrimaryLogPG::agent_load_hit_sets()
13148 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_IDLE
) {
13152 if (agent_state
->hit_set_map
.size() < info
.hit_set
.history
.size()) {
13153 dout(10) << __func__
<< dendl
;
13154 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
13155 p
!= info
.hit_set
.history
.end(); ++p
) {
13156 if (agent_state
->hit_set_map
.count(p
->begin
.sec()) == 0) {
13157 dout(10) << __func__
<< " loading " << p
->begin
<< "-"
13158 << p
->end
<< dendl
;
13159 if (!pool
.info
.is_replicated()) {
13160 // FIXME: EC not supported here yet
13161 derr
<< __func__
<< " on non-replicated pool" << dendl
;
13165 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
13166 if (is_unreadable_object(oid
)) {
13167 dout(10) << __func__
<< " unreadable " << oid
<< ", waiting" << dendl
;
13171 ObjectContextRef obc
= get_object_context(oid
, false);
13173 derr
<< __func__
<< ": could not load hitset " << oid
<< dendl
;
13179 obc
->ondisk_read_lock();
13180 int r
= osd
->store
->read(ch
, ghobject_t(oid
), 0, 0, bl
);
13182 obc
->ondisk_read_unlock();
13184 HitSetRef
hs(new HitSet
);
13185 bufferlist::iterator pbl
= bl
.begin();
13186 ::decode(*hs
, pbl
);
13187 agent_state
->add_hit_set(p
->begin
.sec(), hs
);
13193 bool PrimaryLogPG::agent_maybe_flush(ObjectContextRef
& obc
)
13195 if (!obc
->obs
.oi
.is_dirty()) {
13196 dout(20) << __func__
<< " skip (clean) " << obc
->obs
.oi
<< dendl
;
13197 osd
->logger
->inc(l_osd_agent_skip
);
13200 if (obc
->obs
.oi
.is_cache_pinned()) {
13201 dout(20) << __func__
<< " skip (cache_pinned) " << obc
->obs
.oi
<< dendl
;
13202 osd
->logger
->inc(l_osd_agent_skip
);
13206 utime_t now
= ceph_clock_now();
13207 utime_t ob_local_mtime
;
13208 if (obc
->obs
.oi
.local_mtime
!= utime_t()) {
13209 ob_local_mtime
= obc
->obs
.oi
.local_mtime
;
13211 ob_local_mtime
= obc
->obs
.oi
.mtime
;
13213 bool evict_mode_full
=
13214 (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
);
13215 if (!evict_mode_full
&&
13216 obc
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
&& // snaps immutable; don't delay
13217 (ob_local_mtime
+ utime_t(pool
.info
.cache_min_flush_age
, 0) > now
)) {
13218 dout(20) << __func__
<< " skip (too young) " << obc
->obs
.oi
<< dendl
;
13219 osd
->logger
->inc(l_osd_agent_skip
);
13223 if (osd
->agent_is_active_oid(obc
->obs
.oi
.soid
)) {
13224 dout(20) << __func__
<< " skip (flushing) " << obc
->obs
.oi
<< dendl
;
13225 osd
->logger
->inc(l_osd_agent_skip
);
13229 dout(10) << __func__
<< " flushing " << obc
->obs
.oi
<< dendl
;
13231 // FIXME: flush anything dirty, regardless of what distribution of
13234 hobject_t oid
= obc
->obs
.oi
.soid
;
13235 osd
->agent_start_op(oid
);
13236 // no need to capture a pg ref, can't outlive fop or ctx
13237 std::function
<void()> on_flush
= [this, oid
]() {
13238 osd
->agent_finish_op(oid
);
13241 int result
= start_flush(
13242 OpRequestRef(), obc
, false, NULL
,
13244 if (result
!= -EINPROGRESS
) {
13246 dout(10) << __func__
<< " start_flush() failed " << obc
->obs
.oi
13247 << " with " << result
<< dendl
;
13248 osd
->logger
->inc(l_osd_agent_skip
);
13252 osd
->logger
->inc(l_osd_agent_flush
);
13256 bool PrimaryLogPG::agent_maybe_evict(ObjectContextRef
& obc
, bool after_flush
)
13258 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
13259 if (!after_flush
&& obc
->obs
.oi
.is_dirty()) {
13260 dout(20) << __func__
<< " skip (dirty) " << obc
->obs
.oi
<< dendl
;
13263 if (!obc
->obs
.oi
.watchers
.empty()) {
13264 dout(20) << __func__
<< " skip (watchers) " << obc
->obs
.oi
<< dendl
;
13267 if (obc
->is_blocked()) {
13268 dout(20) << __func__
<< " skip (blocked) " << obc
->obs
.oi
<< dendl
;
13271 if (obc
->obs
.oi
.is_cache_pinned()) {
13272 dout(20) << __func__
<< " skip (cache_pinned) " << obc
->obs
.oi
<< dendl
;
13276 if (soid
.snap
== CEPH_NOSNAP
) {
13277 int result
= _verify_no_head_clones(soid
, obc
->ssc
->snapset
);
13279 dout(20) << __func__
<< " skip (clones) " << obc
->obs
.oi
<< dendl
;
13284 if (agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
) {
13285 // is this object old than cache_min_evict_age?
13286 utime_t now
= ceph_clock_now();
13287 utime_t ob_local_mtime
;
13288 if (obc
->obs
.oi
.local_mtime
!= utime_t()) {
13289 ob_local_mtime
= obc
->obs
.oi
.local_mtime
;
13291 ob_local_mtime
= obc
->obs
.oi
.mtime
;
13293 if (ob_local_mtime
+ utime_t(pool
.info
.cache_min_evict_age
, 0) > now
) {
13294 dout(20) << __func__
<< " skip (too young) " << obc
->obs
.oi
<< dendl
;
13295 osd
->logger
->inc(l_osd_agent_skip
);
13298 // is this object old and/or cold enough?
13300 uint64_t temp_upper
= 0, temp_lower
= 0;
13302 agent_estimate_temp(soid
, &temp
);
13303 agent_state
->temp_hist
.add(temp
);
13304 agent_state
->temp_hist
.get_position_micro(temp
, &temp_lower
, &temp_upper
);
13306 dout(20) << __func__
13307 << " temp " << temp
13308 << " pos " << temp_lower
<< "-" << temp_upper
13309 << ", evict_effort " << agent_state
->evict_effort
13311 dout(30) << "agent_state:\n";
13312 Formatter
*f
= Formatter::create("");
13313 f
->open_object_section("agent_state");
13314 agent_state
->dump(f
);
13315 f
->close_section();
13320 if (1000000 - temp_upper
>= agent_state
->evict_effort
)
13324 dout(10) << __func__
<< " evicting " << obc
->obs
.oi
<< dendl
;
13325 OpContextUPtr ctx
= simple_opc_create(obc
);
13327 if (!ctx
->lock_manager
.get_lock_type(
13328 ObjectContext::RWState::RWWRITE
,
13332 close_op_ctx(ctx
.release());
13333 dout(20) << __func__
<< " skip (cannot get lock) " << obc
->obs
.oi
<< dendl
;
13337 osd
->agent_start_evict_op();
13338 ctx
->register_on_finish(
13340 osd
->agent_finish_evict_op();
13343 ctx
->at_version
= get_next_version();
13344 assert(ctx
->new_obs
.exists
);
13345 int r
= _delete_oid(ctx
.get(), true, false);
13346 if (obc
->obs
.oi
.is_omap())
13347 ctx
->delta_stats
.num_objects_omap
--;
13348 ctx
->delta_stats
.num_evict
++;
13349 ctx
->delta_stats
.num_evict_kb
+= SHIFT_ROUND_UP(obc
->obs
.oi
.size
, 10);
13350 if (obc
->obs
.oi
.is_dirty())
13351 --ctx
->delta_stats
.num_objects_dirty
;
13353 finish_ctx(ctx
.get(), pg_log_entry_t::DELETE
, false);
13354 simple_opc_submit(std::move(ctx
));
13355 osd
->logger
->inc(l_osd_tier_evict
);
13356 osd
->logger
->inc(l_osd_agent_evict
);
13360 void PrimaryLogPG::agent_stop()
13362 dout(20) << __func__
<< dendl
;
13363 if (agent_state
&& !agent_state
->is_idle()) {
13364 agent_state
->evict_mode
= TierAgentState::EVICT_MODE_IDLE
;
13365 agent_state
->flush_mode
= TierAgentState::FLUSH_MODE_IDLE
;
13366 osd
->agent_disable_pg(this, agent_state
->evict_effort
);
13370 void PrimaryLogPG::agent_delay()
13372 dout(20) << __func__
<< dendl
;
13373 if (agent_state
&& !agent_state
->is_idle()) {
13374 assert(agent_state
->delaying
== false);
13375 agent_state
->delaying
= true;
13376 osd
->agent_disable_pg(this, agent_state
->evict_effort
);
13380 void PrimaryLogPG::agent_choose_mode_restart()
13382 dout(20) << __func__
<< dendl
;
13384 if (agent_state
&& agent_state
->delaying
) {
13385 agent_state
->delaying
= false;
13386 agent_choose_mode(true);
13391 bool PrimaryLogPG::agent_choose_mode(bool restart
, OpRequestRef op
)
13393 bool requeued
= false;
13394 // Let delay play out
13395 if (agent_state
->delaying
) {
13396 dout(20) << __func__
<< this << " delaying, ignored" << dendl
;
13400 TierAgentState::flush_mode_t flush_mode
= TierAgentState::FLUSH_MODE_IDLE
;
13401 TierAgentState::evict_mode_t evict_mode
= TierAgentState::EVICT_MODE_IDLE
;
13402 unsigned evict_effort
= 0;
13404 if (info
.stats
.stats_invalid
) {
13405 // idle; stats can't be trusted until we scrub.
13406 dout(20) << __func__
<< " stats invalid (post-split), idle" << dendl
;
13411 uint64_t divisor
= pool
.info
.get_pg_num_divisor(info
.pgid
.pgid
);
13412 assert(divisor
> 0);
13414 // adjust (effective) user objects down based on the number
13415 // of HitSet objects, which should not count toward our total since
13416 // they cannot be flushed.
13417 uint64_t unflushable
= info
.stats
.stats
.sum
.num_objects_hit_set_archive
;
13419 // also exclude omap objects if ec backing pool
13420 const pg_pool_t
*base_pool
= get_osdmap()->get_pg_pool(pool
.info
.tier_of
);
13422 if (!base_pool
->supports_omap())
13423 unflushable
+= info
.stats
.stats
.sum
.num_objects_omap
;
13425 uint64_t num_user_objects
= info
.stats
.stats
.sum
.num_objects
;
13426 if (num_user_objects
> unflushable
)
13427 num_user_objects
-= unflushable
;
13429 num_user_objects
= 0;
13431 uint64_t num_user_bytes
= info
.stats
.stats
.sum
.num_bytes
;
13432 uint64_t unflushable_bytes
= info
.stats
.stats
.sum
.num_bytes_hit_set_archive
;
13433 num_user_bytes
-= unflushable_bytes
;
13434 uint64_t num_overhead_bytes
= osd
->store
->estimate_objects_overhead(num_user_objects
);
13435 num_user_bytes
+= num_overhead_bytes
;
13437 // also reduce the num_dirty by num_objects_omap
13438 int64_t num_dirty
= info
.stats
.stats
.sum
.num_objects_dirty
;
13439 if (!base_pool
->supports_omap()) {
13440 if (num_dirty
> info
.stats
.stats
.sum
.num_objects_omap
)
13441 num_dirty
-= info
.stats
.stats
.sum
.num_objects_omap
;
13446 dout(10) << __func__
13448 << TierAgentState::get_flush_mode_name(agent_state
->flush_mode
)
13450 << TierAgentState::get_evict_mode_name(agent_state
->evict_mode
)
13451 << " num_objects: " << info
.stats
.stats
.sum
.num_objects
13452 << " num_bytes: " << info
.stats
.stats
.sum
.num_bytes
13453 << " num_objects_dirty: " << info
.stats
.stats
.sum
.num_objects_dirty
13454 << " num_objects_omap: " << info
.stats
.stats
.sum
.num_objects_omap
13455 << " num_dirty: " << num_dirty
13456 << " num_user_objects: " << num_user_objects
13457 << " num_user_bytes: " << num_user_bytes
13458 << " num_overhead_bytes: " << num_overhead_bytes
13459 << " pool.info.target_max_bytes: " << pool
.info
.target_max_bytes
13460 << " pool.info.target_max_objects: " << pool
.info
.target_max_objects
13463 // get dirty, full ratios
13464 uint64_t dirty_micro
= 0;
13465 uint64_t full_micro
= 0;
13466 if (pool
.info
.target_max_bytes
&& num_user_objects
> 0) {
13467 uint64_t avg_size
= num_user_bytes
/ num_user_objects
;
13469 num_dirty
* avg_size
* 1000000 /
13470 MAX(pool
.info
.target_max_bytes
/ divisor
, 1);
13472 num_user_objects
* avg_size
* 1000000 /
13473 MAX(pool
.info
.target_max_bytes
/ divisor
, 1);
13475 if (pool
.info
.target_max_objects
> 0) {
13476 uint64_t dirty_objects_micro
=
13477 num_dirty
* 1000000 /
13478 MAX(pool
.info
.target_max_objects
/ divisor
, 1);
13479 if (dirty_objects_micro
> dirty_micro
)
13480 dirty_micro
= dirty_objects_micro
;
13481 uint64_t full_objects_micro
=
13482 num_user_objects
* 1000000 /
13483 MAX(pool
.info
.target_max_objects
/ divisor
, 1);
13484 if (full_objects_micro
> full_micro
)
13485 full_micro
= full_objects_micro
;
13487 dout(20) << __func__
<< " dirty " << ((float)dirty_micro
/ 1000000.0)
13488 << " full " << ((float)full_micro
/ 1000000.0)
13492 uint64_t flush_target
= pool
.info
.cache_target_dirty_ratio_micro
;
13493 uint64_t flush_high_target
= pool
.info
.cache_target_dirty_high_ratio_micro
;
13494 uint64_t flush_slop
= (float)flush_target
* cct
->_conf
->osd_agent_slop
;
13495 if (restart
|| agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_IDLE
) {
13496 flush_target
+= flush_slop
;
13497 flush_high_target
+= flush_slop
;
13499 flush_target
-= MIN(flush_target
, flush_slop
);
13500 flush_high_target
-= MIN(flush_high_target
, flush_slop
);
13503 if (dirty_micro
> flush_high_target
) {
13504 flush_mode
= TierAgentState::FLUSH_MODE_HIGH
;
13505 } else if (dirty_micro
> flush_target
) {
13506 flush_mode
= TierAgentState::FLUSH_MODE_LOW
;
13510 uint64_t evict_target
= pool
.info
.cache_target_full_ratio_micro
;
13511 uint64_t evict_slop
= (float)evict_target
* cct
->_conf
->osd_agent_slop
;
13512 if (restart
|| agent_state
->evict_mode
== TierAgentState::EVICT_MODE_IDLE
)
13513 evict_target
+= evict_slop
;
13515 evict_target
-= MIN(evict_target
, evict_slop
);
13517 if (full_micro
> 1000000) {
13518 // evict anything clean
13519 evict_mode
= TierAgentState::EVICT_MODE_FULL
;
13520 evict_effort
= 1000000;
13521 } else if (full_micro
> evict_target
) {
13522 // set effort in [0..1] range based on where we are between
13523 evict_mode
= TierAgentState::EVICT_MODE_SOME
;
13524 uint64_t over
= full_micro
- evict_target
;
13525 uint64_t span
= 1000000 - evict_target
;
13526 evict_effort
= MAX(over
* 1000000 / span
,
13527 (unsigned)(1000000.0 * cct
->_conf
->osd_agent_min_evict_effort
));
13529 // quantize effort to avoid too much reordering in the agent_queue.
13530 uint64_t inc
= cct
->_conf
->osd_agent_quantize_effort
* 1000000;
13532 uint64_t was
= evict_effort
;
13533 evict_effort
-= evict_effort
% inc
;
13534 if (evict_effort
< inc
)
13535 evict_effort
= inc
;
13536 assert(evict_effort
>= inc
&& evict_effort
<= 1000000);
13537 dout(30) << __func__
<< " evict_effort " << was
<< " quantized by " << inc
<< " to " << evict_effort
<< dendl
;
13542 bool old_idle
= agent_state
->is_idle();
13543 if (flush_mode
!= agent_state
->flush_mode
) {
13544 dout(5) << __func__
<< " flush_mode "
13545 << TierAgentState::get_flush_mode_name(agent_state
->flush_mode
)
13547 << TierAgentState::get_flush_mode_name(flush_mode
)
13549 if (flush_mode
== TierAgentState::FLUSH_MODE_HIGH
) {
13550 osd
->agent_inc_high_count();
13551 info
.stats
.stats
.sum
.num_flush_mode_high
= 1;
13552 } else if (flush_mode
== TierAgentState::FLUSH_MODE_LOW
) {
13553 info
.stats
.stats
.sum
.num_flush_mode_low
= 1;
13555 if (agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_HIGH
) {
13556 osd
->agent_dec_high_count();
13557 info
.stats
.stats
.sum
.num_flush_mode_high
= 0;
13558 } else if (agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_LOW
) {
13559 info
.stats
.stats
.sum
.num_flush_mode_low
= 0;
13561 agent_state
->flush_mode
= flush_mode
;
13563 if (evict_mode
!= agent_state
->evict_mode
) {
13564 dout(5) << __func__
<< " evict_mode "
13565 << TierAgentState::get_evict_mode_name(agent_state
->evict_mode
)
13567 << TierAgentState::get_evict_mode_name(evict_mode
)
13569 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
&&
13573 requeue_ops(waiting_for_flush
);
13574 requeue_ops(waiting_for_active
);
13575 requeue_ops(waiting_for_scrub
);
13576 requeue_ops(waiting_for_cache_not_full
);
13577 objects_blocked_on_cache_full
.clear();
13580 if (evict_mode
== TierAgentState::EVICT_MODE_SOME
) {
13581 info
.stats
.stats
.sum
.num_evict_mode_some
= 1;
13582 } else if (evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
13583 info
.stats
.stats
.sum
.num_evict_mode_full
= 1;
13585 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_SOME
) {
13586 info
.stats
.stats
.sum
.num_evict_mode_some
= 0;
13587 } else if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
13588 info
.stats
.stats
.sum
.num_evict_mode_full
= 0;
13590 agent_state
->evict_mode
= evict_mode
;
13592 uint64_t old_effort
= agent_state
->evict_effort
;
13593 if (evict_effort
!= agent_state
->evict_effort
) {
13594 dout(5) << __func__
<< " evict_effort "
13595 << ((float)agent_state
->evict_effort
/ 1000000.0)
13597 << ((float)evict_effort
/ 1000000.0)
13599 agent_state
->evict_effort
= evict_effort
;
13602 // NOTE: we are using evict_effort as a proxy for *all* agent effort
13603 // (including flush). This is probably fine (they should be
13604 // correlated) but it is not precisely correct.
13605 if (agent_state
->is_idle()) {
13606 if (!restart
&& !old_idle
) {
13607 osd
->agent_disable_pg(this, old_effort
);
13610 if (restart
|| old_idle
) {
13611 osd
->agent_enable_pg(this, agent_state
->evict_effort
);
13612 } else if (old_effort
!= agent_state
->evict_effort
) {
13613 osd
->agent_adjust_pg(this, old_effort
, agent_state
->evict_effort
);
13619 void PrimaryLogPG::agent_estimate_temp(const hobject_t
& oid
, int *temp
)
13624 if (hit_set
->contains(oid
))
13627 int last_n
= pool
.info
.hit_set_search_last_n
;
13628 for (map
<time_t,HitSetRef
>::reverse_iterator p
=
13629 agent_state
->hit_set_map
.rbegin(); last_n
> 0 &&
13630 p
!= agent_state
->hit_set_map
.rend(); ++p
, ++i
) {
13631 if (p
->second
->contains(oid
)) {
13632 *temp
+= pool
.info
.get_grade(i
);
13638 // Dup op detection
13640 bool PrimaryLogPG::already_complete(eversion_t v
)
13642 dout(20) << __func__
<< ": " << v
<< dendl
;
13643 for (xlist
<RepGather
*>::iterator i
= repop_queue
.begin();
13646 dout(20) << __func__
<< ": " << **i
<< dendl
;
13647 // skip copy from temp object ops
13648 if ((*i
)->v
== eversion_t()) {
13649 dout(20) << __func__
<< ": " << **i
13650 << " version is empty" << dendl
;
13654 dout(20) << __func__
<< ": " << **i
13655 << " (*i)->v past v" << dendl
;
13658 if (!(*i
)->all_committed
) {
13659 dout(20) << __func__
<< ": " << **i
13660 << " not committed, returning false"
13665 dout(20) << __func__
<< ": returning true" << dendl
;
13669 bool PrimaryLogPG::already_ack(eversion_t v
)
13671 dout(20) << __func__
<< ": " << v
<< dendl
;
13672 for (xlist
<RepGather
*>::iterator i
= repop_queue
.begin();
13675 // skip copy from temp object ops
13676 if ((*i
)->v
== eversion_t()) {
13677 dout(20) << __func__
<< ": " << **i
13678 << " version is empty" << dendl
;
13682 dout(20) << __func__
<< ": " << **i
13683 << " (*i)->v past v" << dendl
;
13686 if (!(*i
)->all_applied
) {
13687 dout(20) << __func__
<< ": " << **i
13688 << " not applied, returning false"
13693 dout(20) << __func__
<< ": returning true" << dendl
;
13698 // ==========================================================================================
13702 bool PrimaryLogPG::_range_available_for_scrub(
13703 const hobject_t
&begin
, const hobject_t
&end
)
13705 pair
<hobject_t
, ObjectContextRef
> next
;
13706 next
.second
= object_contexts
.lookup(begin
);
13707 next
.first
= begin
;
13709 while (more
&& next
.first
< end
) {
13710 if (next
.second
&& next
.second
->is_blocked()) {
13711 next
.second
->requeue_scrub_on_unblock
= true;
13712 dout(10) << __func__
<< ": scrub delayed, "
13713 << next
.first
<< " is blocked"
13717 more
= object_contexts
.get_next(next
.first
, &next
);
13722 static bool doing_clones(const boost::optional
<SnapSet
> &snapset
,
13723 const vector
<snapid_t
>::reverse_iterator
&curclone
) {
13724 return snapset
&& curclone
!= snapset
.get().clones
.rend();
13727 void PrimaryLogPG::log_missing(unsigned missing
,
13728 const boost::optional
<hobject_t
> &head
,
13729 LogChannelRef clog
,
13733 bool allow_incomplete_clones
)
13736 if (allow_incomplete_clones
) {
13737 dout(20) << func
<< " " << mode
<< " " << pgid
<< " " << head
.get()
13738 << " skipped " << missing
<< " clone(s) in cache tier" << dendl
;
13740 clog
->info() << mode
<< " " << pgid
<< " " << head
.get()
13741 << " " << missing
<< " missing clone(s)";
13745 unsigned PrimaryLogPG::process_clones_to(const boost::optional
<hobject_t
> &head
,
13746 const boost::optional
<SnapSet
> &snapset
,
13747 LogChannelRef clog
,
13750 bool allow_incomplete_clones
,
13751 boost::optional
<snapid_t
> target
,
13752 vector
<snapid_t
>::reverse_iterator
*curclone
,
13753 inconsistent_snapset_wrapper
&e
)
13757 unsigned missing
= 0;
13759 // NOTE: clones are in descending order, thus **curclone > target test here
13760 hobject_t
next_clone(head
.get());
13761 while(doing_clones(snapset
, *curclone
) && (!target
|| **curclone
> *target
)) {
13763 // it is okay to be missing one or more clones in a cache tier.
13764 // skip higher-numbered clones in the list.
13765 if (!allow_incomplete_clones
) {
13766 next_clone
.snap
= **curclone
;
13767 clog
->error() << mode
<< " " << pgid
<< " " << head
.get()
13768 << " expected clone " << next_clone
<< " " << missing
13770 ++scrubber
.shallow_errors
;
13771 e
.set_clone_missing(next_clone
.snap
);
13773 // Clones are descending
13780 * Validate consistency of the object info and snap sets.
13782 * We are sort of comparing 2 lists. The main loop is on objmap.objects. But
13783 * the comparison of the objects is against multiple snapset.clones. There are
13784 * multiple clone lists and in between lists we expect head or snapdir.
13790 * obj1 snap 1 head/snapdir, unexpected obj1 snap 1
13791 * obj2 head head/snapdir, head ok
13792 * [SnapSet clones 6 4 2 1]
13793 * obj2 snap 7 obj2 snap 6, unexpected obj2 snap 7
13794 * obj2 snap 6 obj2 snap 6, match
13795 * obj2 snap 4 obj2 snap 4, match
13796 * obj3 head obj2 snap 2 (expected), obj2 snap 1 (expected), head ok
13797 * [Snapset clones 3 1]
13798 * obj3 snap 3 obj3 snap 3 match
13799 * obj3 snap 1 obj3 snap 1 match
13800 * obj4 snapdir head/snapdir, snapdir ok
13801 * [Snapset clones 4]
13802 * EOL obj4 snap 4, (expected)
13804 void PrimaryLogPG::scrub_snapshot_metadata(
13805 ScrubMap
&scrubmap
,
13806 const map
<hobject_t
, pair
<uint32_t, uint32_t>> &missing_digest
)
13808 dout(10) << __func__
<< dendl
;
13810 coll_t
c(info
.pgid
);
13811 bool repair
= state_test(PG_STATE_REPAIR
);
13812 bool deep_scrub
= state_test(PG_STATE_DEEP_SCRUB
);
13813 const char *mode
= (repair
? "repair": (deep_scrub
? "deep-scrub" : "scrub"));
13814 boost::optional
<snapid_t
> all_clones
; // Unspecified snapid_t or boost::none
13816 /// snapsets to repair
13817 map
<hobject_t
,SnapSet
> snapset_to_repair
;
13819 // traverse in reverse order.
13820 boost::optional
<hobject_t
> head
;
13821 boost::optional
<SnapSet
> snapset
; // If initialized so will head (above)
13822 vector
<snapid_t
>::reverse_iterator curclone
; // Defined only if snapset initialized
13823 unsigned missing
= 0;
13824 inconsistent_snapset_wrapper soid_error
, head_error
;
13825 unsigned soid_error_count
= 0;
13827 bufferlist last_data
;
13829 for (map
<hobject_t
,ScrubMap::object
>::reverse_iterator
13830 p
= scrubmap
.objects
.rbegin(); p
!= scrubmap
.objects
.rend(); ++p
) {
13831 const hobject_t
& soid
= p
->first
;
13832 soid_error
= inconsistent_snapset_wrapper
{soid
};
13833 object_stat_sum_t stat
;
13834 boost::optional
<object_info_t
> oi
;
13836 if (!soid
.is_snapdir())
13837 stat
.num_objects
++;
13839 if (soid
.nspace
== cct
->_conf
->osd_hit_set_namespace
)
13840 stat
.num_objects_hit_set_archive
++;
13842 if (soid
.is_snap()) {
13844 stat
.num_object_clones
++;
13848 if (p
->second
.attrs
.count(OI_ATTR
) == 0) {
13850 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13851 << " no '" << OI_ATTR
<< "' attr";
13852 ++scrubber
.shallow_errors
;
13853 soid_error
.set_info_missing();
13856 bv
.push_back(p
->second
.attrs
[OI_ATTR
]);
13858 oi
= object_info_t(); // Initialize optional<> before decode into it
13859 oi
.get().decode(bv
);
13860 } catch (buffer::error
& e
) {
13862 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13863 << " can't decode '" << OI_ATTR
<< "' attr " << e
.what();
13864 ++scrubber
.shallow_errors
;
13865 soid_error
.set_info_corrupted();
13866 soid_error
.set_info_missing(); // Not available too
13871 if (pgbackend
->be_get_ondisk_size(oi
->size
) != p
->second
.size
) {
13872 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13873 << " on disk size (" << p
->second
.size
13874 << ") does not match object info size ("
13875 << oi
->size
<< ") adjusted for ondisk to ("
13876 << pgbackend
->be_get_ondisk_size(oi
->size
)
13878 soid_error
.set_size_mismatch();
13879 ++scrubber
.shallow_errors
;
13882 dout(20) << mode
<< " " << soid
<< " " << oi
.get() << dendl
;
13884 // A clone num_bytes will be added later when we have snapset
13885 if (!soid
.is_snap()) {
13886 stat
.num_bytes
+= oi
->size
;
13888 if (soid
.nspace
== cct
->_conf
->osd_hit_set_namespace
)
13889 stat
.num_bytes_hit_set_archive
+= oi
->size
;
13891 if (!soid
.is_snapdir()) {
13892 if (oi
->is_dirty())
13893 ++stat
.num_objects_dirty
;
13894 if (oi
->is_whiteout())
13895 ++stat
.num_whiteouts
;
13897 ++stat
.num_objects_omap
;
13898 if (oi
->is_cache_pinned())
13899 ++stat
.num_objects_pinned
;
13902 // pessimistic assumption that this object might contain a
13904 stat
.num_legacy_snapsets
++;
13907 // Check for any problems while processing clones
13908 if (doing_clones(snapset
, curclone
)) {
13909 boost::optional
<snapid_t
> target
;
13910 // Expecting an object with snap for current head
13911 if (soid
.has_snapset() || soid
.get_head() != head
->get_head()) {
13913 dout(10) << __func__
<< " " << mode
<< " " << info
.pgid
<< " new object "
13914 << soid
<< " while processing " << head
.get() << dendl
;
13916 target
= all_clones
;
13918 assert(soid
.is_snap());
13919 target
= soid
.snap
;
13922 // Log any clones we were expecting to be there up to target
13923 // This will set missing, but will be a no-op if snap.soid == *curclone.
13924 missing
+= process_clones_to(head
, snapset
, osd
->clog
, info
.pgid
, mode
,
13925 pool
.info
.allow_incomplete_clones(), target
, &curclone
,
13929 // Check doing_clones() again in case we ran process_clones_to()
13930 if (doing_clones(snapset
, curclone
)) {
13931 // A head/snapdir would have processed all clones above
13932 // or all greater than *curclone.
13933 assert(soid
.is_snap() && *curclone
<= soid
.snap
);
13935 // After processing above clone snap should match the expected curclone
13936 expected
= (*curclone
== soid
.snap
);
13938 // If we aren't doing clones any longer, then expecting head/snapdir
13939 expected
= soid
.has_snapset();
13942 // If we couldn't read the head's snapset, just ignore clones
13943 if (head
&& !snapset
) {
13944 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13945 << " clone ignored due to missing snapset";
13947 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13948 << " is an unexpected clone";
13950 ++scrubber
.shallow_errors
;
13951 soid_error
.set_headless();
13952 scrubber
.store
->add_snap_error(pool
.id
, soid_error
);
13953 ++soid_error_count
;
13954 if (head
&& soid
.get_head() == head
->get_head())
13955 head_error
.set_clone(soid
.snap
);
13960 if (soid
.has_snapset()) {
13963 log_missing(missing
, head
, osd
->clog
, info
.pgid
, __func__
, mode
,
13964 pool
.info
.allow_incomplete_clones());
13967 // Save previous head error information
13968 if (head
&& (head_error
.errors
|| soid_error_count
))
13969 scrubber
.store
->add_snap_error(pool
.id
, head_error
);
13970 // Set this as a new head object
13973 head_error
= soid_error
;
13974 soid_error_count
= 0;
13976 dout(20) << __func__
<< " " << mode
<< " new head " << head
<< dendl
;
13978 if (p
->second
.attrs
.count(SS_ATTR
) == 0) {
13979 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13980 << " no '" << SS_ATTR
<< "' attr";
13981 ++scrubber
.shallow_errors
;
13982 snapset
= boost::none
;
13983 head_error
.set_snapset_missing();
13986 bl
.push_back(p
->second
.attrs
[SS_ATTR
]);
13987 bufferlist::iterator blp
= bl
.begin();
13989 snapset
= SnapSet(); // Initialize optional<> before decoding into it
13990 ::decode(snapset
.get(), blp
);
13991 head_error
.ss_bl
.push_back(p
->second
.attrs
[SS_ATTR
]);
13992 } catch (buffer::error
& e
) {
13993 snapset
= boost::none
;
13994 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13995 << " can't decode '" << SS_ATTR
<< "' attr " << e
.what();
13996 ++scrubber
.shallow_errors
;
13997 head_error
.set_snapset_corrupted();
14002 // what will be next?
14003 curclone
= snapset
->clones
.rbegin();
14005 if (!snapset
->clones
.empty()) {
14006 dout(20) << " snapset " << snapset
.get() << dendl
;
14007 if (snapset
->seq
== 0) {
14008 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14009 << " snaps.seq not set";
14010 ++scrubber
.shallow_errors
;
14011 head_error
.set_snapset_error();
14015 if (soid
.is_head() && !snapset
->head_exists
) {
14016 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14017 << " snapset.head_exists=false, but head exists";
14018 ++scrubber
.shallow_errors
;
14019 head_error
.set_head_mismatch();
14020 // Fix head_exists locally so is_legacy() returns correctly
14021 snapset
->head_exists
= true;
14023 if (soid
.is_snapdir() && snapset
->head_exists
) {
14024 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14025 << " snapset.head_exists=true, but snapdir exists";
14026 ++scrubber
.shallow_errors
;
14027 head_error
.set_head_mismatch();
14028 // For symmetry fix this too, but probably doesn't matter
14029 snapset
->head_exists
= false;
14032 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_LUMINOUS
) {
14033 if (soid
.is_snapdir()) {
14034 dout(10) << " will move snapset to head from " << soid
<< dendl
;
14035 snapset_to_repair
[soid
.get_head()] = *snapset
;
14036 } else if (snapset
->is_legacy()) {
14037 dout(10) << " will convert legacy snapset on " << soid
<< " " << *snapset
14039 snapset_to_repair
[soid
.get_head()] = *snapset
;
14042 stat
.num_legacy_snapsets
++;
14045 // pessimistic assumption that this object might contain a
14047 stat
.num_legacy_snapsets
++;
14050 assert(soid
.is_snap());
14053 assert(soid
.snap
== *curclone
);
14055 dout(20) << __func__
<< " " << mode
<< " matched clone " << soid
<< dendl
;
14057 if (snapset
->clone_size
.count(soid
.snap
) == 0) {
14058 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14059 << " is missing in clone_size";
14060 ++scrubber
.shallow_errors
;
14061 soid_error
.set_size_mismatch();
14063 if (oi
&& oi
->size
!= snapset
->clone_size
[soid
.snap
]) {
14064 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14065 << " size " << oi
->size
<< " != clone_size "
14066 << snapset
->clone_size
[*curclone
];
14067 ++scrubber
.shallow_errors
;
14068 soid_error
.set_size_mismatch();
14071 if (snapset
->clone_overlap
.count(soid
.snap
) == 0) {
14072 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14073 << " is missing in clone_overlap";
14074 ++scrubber
.shallow_errors
;
14075 soid_error
.set_size_mismatch();
14077 // This checking is based on get_clone_bytes(). The first 2 asserts
14078 // can't happen because we know we have a clone_size and
14079 // a clone_overlap. Now we check that the interval_set won't
14080 // cause the last assert.
14081 uint64_t size
= snapset
->clone_size
.find(soid
.snap
)->second
;
14082 const interval_set
<uint64_t> &overlap
=
14083 snapset
->clone_overlap
.find(soid
.snap
)->second
;
14084 bool bad_interval_set
= false;
14085 for (interval_set
<uint64_t>::const_iterator i
= overlap
.begin();
14086 i
!= overlap
.end(); ++i
) {
14087 if (size
< i
.get_len()) {
14088 bad_interval_set
= true;
14091 size
-= i
.get_len();
14094 if (bad_interval_set
) {
14095 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14096 << " bad interval_set in clone_overlap";
14097 ++scrubber
.shallow_errors
;
14098 soid_error
.set_size_mismatch();
14100 stat
.num_bytes
+= snapset
->get_clone_bytes(soid
.snap
);
14105 // migrate legacy_snaps to snapset?
14106 auto p
= snapset_to_repair
.find(soid
.get_head());
14107 if (p
!= snapset_to_repair
.end()) {
14108 if (!oi
|| oi
->legacy_snaps
.empty()) {
14109 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
14110 << " has no oi or legacy_snaps; cannot convert "
14112 ++scrubber
.shallow_errors
;
14114 dout(20) << __func__
<< " copying legacy_snaps " << oi
->legacy_snaps
14115 << " to snapset " << p
->second
<< dendl
;
14116 p
->second
.clone_snaps
[soid
.snap
] = oi
->legacy_snaps
;
14122 if (soid_error
.errors
) {
14123 scrubber
.store
->add_snap_error(pool
.id
, soid_error
);
14124 ++soid_error_count
;
14128 scrub_cstat
.add(stat
);
14131 if (doing_clones(snapset
, curclone
)) {
14132 dout(10) << __func__
<< " " << mode
<< " " << info
.pgid
14133 << " No more objects while processing " << head
.get() << dendl
;
14135 missing
+= process_clones_to(head
, snapset
, osd
->clog
, info
.pgid
, mode
,
14136 pool
.info
.allow_incomplete_clones(), all_clones
, &curclone
,
14139 // There could be missing found by the test above or even
14140 // before dropping out of the loop for the last head.
14142 log_missing(missing
, head
, osd
->clog
, info
.pgid
, __func__
,
14143 mode
, pool
.info
.allow_incomplete_clones());
14145 if (head
&& (head_error
.errors
|| soid_error_count
))
14146 scrubber
.store
->add_snap_error(pool
.id
, head_error
);
14148 for (map
<hobject_t
,pair
<uint32_t,uint32_t>>::const_iterator p
=
14149 missing_digest
.begin();
14150 p
!= missing_digest
.end();
14152 if (p
->first
.is_snapdir())
14154 dout(10) << __func__
<< " recording digests for " << p
->first
<< dendl
;
14155 ObjectContextRef obc
= get_object_context(p
->first
, false);
14157 osd
->clog
->error() << info
.pgid
<< " " << mode
14158 << " cannot get object context for object "
14161 } else if (obc
->obs
.oi
.soid
!= p
->first
) {
14162 osd
->clog
->error() << info
.pgid
<< " " << mode
14163 << " object " << p
->first
14164 << " has a valid oi attr with a mismatched name, "
14165 << " obc->obs.oi.soid: " << obc
->obs
.oi
.soid
;
14168 OpContextUPtr ctx
= simple_opc_create(obc
);
14169 ctx
->at_version
= get_next_version();
14170 ctx
->mtime
= utime_t(); // do not update mtime
14171 ctx
->new_obs
.oi
.set_data_digest(p
->second
.first
);
14172 ctx
->new_obs
.oi
.set_omap_digest(p
->second
.second
);
14173 finish_ctx(ctx
.get(), pg_log_entry_t::MODIFY
);
14175 ctx
->register_on_success(
14177 dout(20) << "updating scrub digest" << dendl
;
14178 if (--scrubber
.num_digest_updates_pending
== 0) {
14183 simple_opc_submit(std::move(ctx
));
14184 ++scrubber
.num_digest_updates_pending
;
14186 for (auto& p
: snapset_to_repair
) {
14187 // cache pools may not have the clones, which means we won't know
14188 // what snaps they have. fake out the clone_snaps entries anyway (with
14189 // blank snap lists).
14190 p
.second
.head_exists
= true;
14191 if (pool
.info
.allow_incomplete_clones()) {
14192 for (auto s
: p
.second
.clones
) {
14193 if (p
.second
.clone_snaps
.count(s
) == 0) {
14194 dout(10) << __func__
<< " " << p
.first
<< " faking clone_snaps for "
14196 p
.second
.clone_snaps
[s
];
14200 if (p
.second
.clones
.size() != p
.second
.clone_snaps
.size() ||
14201 p
.second
.is_legacy()) {
14202 // this happens if we encounter other errors above, like a missing
14204 dout(10) << __func__
<< " not writing snapset to " << p
.first
14205 << " snapset " << p
.second
<< " clones " << p
.second
.clones
14206 << "; didn't convert fully" << dendl
;
14207 scrub_cstat
.sum
.num_legacy_snapsets
++;
14210 dout(10) << __func__
<< " writing snapset to " << p
.first
14211 << " " << p
.second
<< dendl
;
14212 ObjectContextRef obc
= get_object_context(p
.first
, true);
14214 osd
->clog
->error() << info
.pgid
<< " " << mode
14215 << " cannot get object context for object "
14218 } else if (obc
->obs
.oi
.soid
!= p
.first
) {
14219 osd
->clog
->error() << info
.pgid
<< " " << mode
14220 << " object " << p
.first
14221 << " has a valid oi attr with a mismatched name, "
14222 << " obc->obs.oi.soid: " << obc
->obs
.oi
.soid
;
14225 ObjectContextRef snapset_obc
;
14226 if (!obc
->obs
.exists
) {
14227 snapset_obc
= get_object_context(p
.first
.get_snapdir(), false);
14228 if (!snapset_obc
) {
14229 osd
->clog
->error() << info
.pgid
<< " " << mode
14230 << " cannot get object context for "
14231 << p
.first
.get_snapdir();
14235 OpContextUPtr ctx
= simple_opc_create(obc
);
14236 PGTransaction
*t
= ctx
->op_t
.get();
14237 ctx
->snapset_obc
= snapset_obc
;
14238 ctx
->at_version
= get_next_version();
14239 ctx
->mtime
= utime_t(); // do not update mtime
14240 ctx
->new_snapset
= p
.second
;
14241 if (!ctx
->new_obs
.exists
) {
14242 dout(20) << __func__
<< " making " << p
.first
<< " a whiteout" << dendl
;
14243 ctx
->new_obs
.exists
= true;
14244 ctx
->new_snapset
.head_exists
= true;
14245 ctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
14246 ++ctx
->delta_stats
.num_whiteouts
;
14247 ++ctx
->delta_stats
.num_objects
;
14248 t
->create(p
.first
);
14249 if (p
.first
< scrubber
.start
) {
14250 dout(20) << __func__
<< " kludging around update outside of scrub range"
14253 scrub_cstat
.add(ctx
->delta_stats
);
14256 dout(20) << __func__
<< " final snapset " << ctx
->new_snapset
<< dendl
;
14257 assert(!ctx
->new_snapset
.is_legacy());
14258 finish_ctx(ctx
.get(), pg_log_entry_t::MODIFY
);
14259 ctx
->register_on_success(
14261 dout(20) << "updating snapset" << dendl
;
14262 if (--scrubber
.num_digest_updates_pending
== 0) {
14267 simple_opc_submit(std::move(ctx
));
14268 ++scrubber
.num_digest_updates_pending
;
14271 dout(10) << __func__
<< " (" << mode
<< ") finish" << dendl
;
14274 void PrimaryLogPG::_scrub_clear_state()
14276 scrub_cstat
= object_stat_collection_t();
14279 void PrimaryLogPG::_scrub_finish()
14281 bool repair
= state_test(PG_STATE_REPAIR
);
14282 bool deep_scrub
= state_test(PG_STATE_DEEP_SCRUB
);
14283 const char *mode
= (repair
? "repair": (deep_scrub
? "deep-scrub" : "scrub"));
14285 if (info
.stats
.stats_invalid
) {
14286 info
.stats
.stats
= scrub_cstat
;
14287 info
.stats
.stats_invalid
= false;
14290 agent_choose_mode();
14293 dout(10) << mode
<< " got "
14294 << scrub_cstat
.sum
.num_objects
<< "/" << info
.stats
.stats
.sum
.num_objects
<< " objects, "
14295 << scrub_cstat
.sum
.num_object_clones
<< "/" << info
.stats
.stats
.sum
.num_object_clones
<< " clones, "
14296 << scrub_cstat
.sum
.num_objects_dirty
<< "/" << info
.stats
.stats
.sum
.num_objects_dirty
<< " dirty, "
14297 << scrub_cstat
.sum
.num_objects_omap
<< "/" << info
.stats
.stats
.sum
.num_objects_omap
<< " omap, "
14298 << scrub_cstat
.sum
.num_objects_pinned
<< "/" << info
.stats
.stats
.sum
.num_objects_pinned
<< " pinned, "
14299 << scrub_cstat
.sum
.num_objects_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_objects_hit_set_archive
<< " hit_set_archive, "
14300 << scrub_cstat
.sum
.num_bytes
<< "/" << info
.stats
.stats
.sum
.num_bytes
<< " bytes, "
14301 << scrub_cstat
.sum
.num_bytes_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_bytes_hit_set_archive
<< " hit_set_archive bytes."
14304 if (scrub_cstat
.sum
.num_objects
!= info
.stats
.stats
.sum
.num_objects
||
14305 scrub_cstat
.sum
.num_object_clones
!= info
.stats
.stats
.sum
.num_object_clones
||
14306 (scrub_cstat
.sum
.num_objects_dirty
!= info
.stats
.stats
.sum
.num_objects_dirty
&&
14307 !info
.stats
.dirty_stats_invalid
) ||
14308 (scrub_cstat
.sum
.num_objects_omap
!= info
.stats
.stats
.sum
.num_objects_omap
&&
14309 !info
.stats
.omap_stats_invalid
) ||
14310 (scrub_cstat
.sum
.num_objects_pinned
!= info
.stats
.stats
.sum
.num_objects_pinned
&&
14311 !info
.stats
.pin_stats_invalid
) ||
14312 (scrub_cstat
.sum
.num_objects_hit_set_archive
!= info
.stats
.stats
.sum
.num_objects_hit_set_archive
&&
14313 !info
.stats
.hitset_stats_invalid
) ||
14314 (scrub_cstat
.sum
.num_bytes_hit_set_archive
!= info
.stats
.stats
.sum
.num_bytes_hit_set_archive
&&
14315 !info
.stats
.hitset_bytes_stats_invalid
) ||
14316 scrub_cstat
.sum
.num_whiteouts
!= info
.stats
.stats
.sum
.num_whiteouts
||
14317 scrub_cstat
.sum
.num_bytes
!= info
.stats
.stats
.sum
.num_bytes
) {
14318 osd
->clog
->error() << info
.pgid
<< " " << mode
14319 << " stat mismatch, got "
14320 << scrub_cstat
.sum
.num_objects
<< "/" << info
.stats
.stats
.sum
.num_objects
<< " objects, "
14321 << scrub_cstat
.sum
.num_object_clones
<< "/" << info
.stats
.stats
.sum
.num_object_clones
<< " clones, "
14322 << scrub_cstat
.sum
.num_objects_dirty
<< "/" << info
.stats
.stats
.sum
.num_objects_dirty
<< " dirty, "
14323 << scrub_cstat
.sum
.num_objects_omap
<< "/" << info
.stats
.stats
.sum
.num_objects_omap
<< " omap, "
14324 << scrub_cstat
.sum
.num_objects_pinned
<< "/" << info
.stats
.stats
.sum
.num_objects_pinned
<< " pinned, "
14325 << scrub_cstat
.sum
.num_objects_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_objects_hit_set_archive
<< " hit_set_archive, "
14326 << scrub_cstat
.sum
.num_whiteouts
<< "/" << info
.stats
.stats
.sum
.num_whiteouts
<< " whiteouts, "
14327 << scrub_cstat
.sum
.num_bytes
<< "/" << info
.stats
.stats
.sum
.num_bytes
<< " bytes, "
14328 << scrub_cstat
.sum
.num_bytes_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_bytes_hit_set_archive
<< " hit_set_archive bytes.";
14329 ++scrubber
.shallow_errors
;
14333 info
.stats
.stats
= scrub_cstat
;
14334 info
.stats
.dirty_stats_invalid
= false;
14335 info
.stats
.omap_stats_invalid
= false;
14336 info
.stats
.hitset_stats_invalid
= false;
14337 info
.stats
.hitset_bytes_stats_invalid
= false;
14338 publish_stats_to_osd();
14341 } else if (scrub_cstat
.sum
.num_legacy_snapsets
!=
14342 info
.stats
.stats
.sum
.num_legacy_snapsets
) {
14343 osd
->clog
->info() << info
.pgid
<< " " << mode
<< " updated num_legacy_snapsets"
14344 << " from " << info
.stats
.stats
.sum
.num_legacy_snapsets
14345 << " -> " << scrub_cstat
.sum
.num_legacy_snapsets
<< "\n";
14346 info
.stats
.stats
.sum
.num_legacy_snapsets
= scrub_cstat
.sum
.num_legacy_snapsets
;
14347 publish_stats_to_osd();
14350 // Clear object context cache to get repair information
14352 object_contexts
.clear();
14355 bool PrimaryLogPG::check_osdmap_full(const set
<pg_shard_t
> &missing_on
)
14357 return osd
->check_osdmap_full(missing_on
);
14360 int PrimaryLogPG::rep_repair_primary_object(const hobject_t
& soid
, OpRequestRef op
)
14362 // Only supports replicated pools
14363 assert(!pool
.info
.require_rollback());
14364 assert(is_primary());
14366 dout(10) << __func__
<< " " << soid
14367 << " peers osd.{" << actingbackfill
<< "}" << dendl
;
14370 block_for_clean(soid
, op
);
14374 assert(!pg_log
.get_missing().is_missing(soid
));
14378 int r
= get_pgbackend()->objects_get_attr(soid
, OI_ATTR
, &bv
);
14380 // Leave v and try to repair without a version, getting attr failed
14381 dout(0) << __func__
<< ": Need version of replica, objects_get_attr failed: "
14382 << soid
<< " error=" << r
<< dendl
;
14384 bufferlist::iterator bliter
= bv
.begin();
14385 ::decode(oi
, bliter
);
14388 // Leave v as default constructed. This will fail when sent to older OSDs, but
14389 // not much worse than failing here.
14390 dout(0) << __func__
<< ": Need version of replica, bad object_info_t: " << soid
<< dendl
;
14393 missing_loc
.add_missing(soid
, v
, eversion_t());
14394 if (primary_error(soid
, v
)) {
14395 dout(0) << __func__
<< " No other replicas available for " << soid
<< dendl
;
14396 // XXX: If we knew that there is no down osd which could include this
14397 // object, it would be nice if we could return EIO here.
14398 // If a "never fail" flag was available, that could be used
14399 // for rbd to NOT return EIO until object marked lost.
14401 // Drop through to save this op in case an osd comes up with the object.
14404 // Restart the op after object becomes readable again
14405 waiting_for_unreadable_object
[soid
].push_back(op
);
14406 op
->mark_delayed("waiting for missing object");
14408 if (!eio_errors_to_process
) {
14409 eio_errors_to_process
= true;
14410 assert(is_clean());
14411 queue_peering_event(
14413 std::make_shared
<CephPeeringEvt
>(
14414 get_osdmap()->get_epoch(),
14415 get_osdmap()->get_epoch(),
14418 // A prior error must have already cleared clean state and queued recovery
14419 // or a map change has triggered re-peering.
14420 // Not inlining the recovery by calling maybe_kick_recovery(soid);
14421 dout(5) << __func__
<< ": Read error on " << soid
<< ", but already seen errors" << dendl
;
14427 /*---SnapTrimmer Logging---*/
14429 #define dout_prefix *_dout << pg->gen_prefix()
14431 void PrimaryLogPG::SnapTrimmer::log_enter(const char *state_name
)
14433 ldout(pg
->cct
, 20) << "enter " << state_name
<< dendl
;
14436 void PrimaryLogPG::SnapTrimmer::log_exit(const char *state_name
, utime_t enter_time
)
14438 ldout(pg
->cct
, 20) << "exit " << state_name
<< dendl
;
14441 /*---SnapTrimmer states---*/
14443 #define dout_prefix (*_dout << context< SnapTrimmer >().pg->gen_prefix() \
14444 << "SnapTrimmer state<" << get_state_name() << ">: ")
14447 PrimaryLogPG::NotTrimming::NotTrimming(my_context ctx
)
14449 NamedState(context
< SnapTrimmer
>().pg
, "NotTrimming")
14451 context
< SnapTrimmer
>().log_enter(state_name
);
14454 void PrimaryLogPG::NotTrimming::exit()
14456 context
< SnapTrimmer
>().log_exit(state_name
, enter_time
);
14459 boost::statechart::result
PrimaryLogPG::NotTrimming::react(const KickTrim
&)
14461 PrimaryLogPG
*pg
= context
< SnapTrimmer
>().pg
;
14462 ldout(pg
->cct
, 10) << "NotTrimming react KickTrim" << dendl
;
14464 if (!(pg
->is_primary() && pg
->is_active())) {
14465 ldout(pg
->cct
, 10) << "NotTrimming not primary or active" << dendl
;
14466 return discard_event();
14468 if (!pg
->is_clean() ||
14469 pg
->snap_trimq
.empty()) {
14470 ldout(pg
->cct
, 10) << "NotTrimming not clean or nothing to trim" << dendl
;
14471 return discard_event();
14473 if (pg
->scrubber
.active
) {
14474 ldout(pg
->cct
, 10) << " scrubbing, will requeue snap_trimmer after" << dendl
;
14475 return transit
< WaitScrub
>();
14477 return transit
< Trimming
>();
14481 boost::statechart::result
PrimaryLogPG::WaitReservation::react(const SnapTrimReserved
&)
14483 PrimaryLogPG
*pg
= context
< SnapTrimmer
>().pg
;
14484 ldout(pg
->cct
, 10) << "WaitReservation react SnapTrimReserved" << dendl
;
14487 if (!context
< SnapTrimmer
>().can_trim()) {
14488 post_event(KickTrim());
14489 return transit
< NotTrimming
>();
14492 context
<Trimming
>().snap_to_trim
= pg
->snap_trimq
.range_start();
14493 ldout(pg
->cct
, 10) << "NotTrimming: trimming "
14494 << pg
->snap_trimq
.range_start()
14496 return transit
< AwaitAsyncWork
>();
14499 /* AwaitAsyncWork */
14500 PrimaryLogPG::AwaitAsyncWork::AwaitAsyncWork(my_context ctx
)
14502 NamedState(context
< SnapTrimmer
>().pg
, "Trimming/AwaitAsyncWork")
14504 auto *pg
= context
< SnapTrimmer
>().pg
;
14505 context
< SnapTrimmer
>().log_enter(state_name
);
14506 context
< SnapTrimmer
>().pg
->osd
->queue_for_snap_trim(pg
);
14507 pg
->state_set(PG_STATE_SNAPTRIM
);
14508 pg
->state_clear(PG_STATE_SNAPTRIM_ERROR
);
14509 pg
->publish_stats_to_osd();
14512 boost::statechart::result
PrimaryLogPG::AwaitAsyncWork::react(const DoSnapWork
&)
14514 PrimaryLogPGRef pg
= context
< SnapTrimmer
>().pg
;
14515 snapid_t snap_to_trim
= context
<Trimming
>().snap_to_trim
;
14516 auto &in_flight
= context
<Trimming
>().in_flight
;
14517 assert(in_flight
.empty());
14519 assert(pg
->is_primary() && pg
->is_active());
14520 if (!context
< SnapTrimmer
>().can_trim()) {
14521 ldout(pg
->cct
, 10) << "something changed, reverting to NotTrimming" << dendl
;
14522 post_event(KickTrim());
14523 return transit
< NotTrimming
>();
14526 ldout(pg
->cct
, 10) << "AwaitAsyncWork: trimming snap " << snap_to_trim
<< dendl
;
14528 vector
<hobject_t
> to_trim
;
14529 unsigned max
= pg
->cct
->_conf
->osd_pg_max_concurrent_snap_trims
;
14530 to_trim
.reserve(max
);
14531 int r
= pg
->snap_mapper
.get_next_objects_to_trim(
14535 if (r
!= 0 && r
!= -ENOENT
) {
14536 lderr(pg
->cct
) << "get_next_objects_to_trim returned "
14537 << cpp_strerror(r
) << dendl
;
14538 assert(0 == "get_next_objects_to_trim returned an invalid code");
14539 } else if (r
== -ENOENT
) {
14541 ldout(pg
->cct
, 10) << "got ENOENT" << dendl
;
14543 ldout(pg
->cct
, 10) << "adding snap " << snap_to_trim
14544 << " to purged_snaps"
14546 pg
->info
.purged_snaps
.insert(snap_to_trim
);
14547 pg
->snap_trimq
.erase(snap_to_trim
);
14548 ldout(pg
->cct
, 10) << "purged_snaps now "
14549 << pg
->info
.purged_snaps
<< ", snap_trimq now "
14550 << pg
->snap_trimq
<< dendl
;
14552 ObjectStore::Transaction t
;
14553 pg
->dirty_big_info
= true;
14554 pg
->write_if_dirty(t
);
14555 int tr
= pg
->osd
->store
->queue_transaction(pg
->osr
.get(), std::move(t
), NULL
);
14558 pg
->share_pg_info();
14559 post_event(KickTrim());
14560 return transit
< NotTrimming
>();
14562 assert(!to_trim
.empty());
14564 for (auto &&object
: to_trim
) {
14566 ldout(pg
->cct
, 10) << "AwaitAsyncWork react trimming " << object
<< dendl
;
14568 int error
= pg
->trim_object(in_flight
.empty(), object
, &ctx
);
14570 if (error
== -ENOLCK
) {
14571 ldout(pg
->cct
, 10) << "could not get write lock on obj "
14572 << object
<< dendl
;
14574 pg
->state_set(PG_STATE_SNAPTRIM_ERROR
);
14575 ldout(pg
->cct
, 10) << "Snaptrim error=" << error
<< dendl
;
14577 if (!in_flight
.empty()) {
14578 ldout(pg
->cct
, 10) << "letting the ones we already started finish" << dendl
;
14579 return transit
< WaitRepops
>();
14581 if (error
== -ENOLCK
) {
14582 ldout(pg
->cct
, 10) << "waiting for it to clear"
14584 return transit
< WaitRWLock
>();
14586 return transit
< NotTrimming
>();
14590 in_flight
.insert(object
);
14591 ctx
->register_on_success(
14592 [pg
, object
, &in_flight
]() {
14593 assert(in_flight
.find(object
) != in_flight
.end());
14594 in_flight
.erase(object
);
14595 if (in_flight
.empty()) {
14596 if (pg
->state_test(PG_STATE_SNAPTRIM_ERROR
)) {
14597 pg
->snap_trimmer_machine
.process_event(Reset());
14599 pg
->snap_trimmer_machine
.process_event(RepopsComplete());
14604 pg
->simple_opc_submit(std::move(ctx
));
14607 return transit
< WaitRepops
>();
14610 void PrimaryLogPG::setattr_maybe_cache(
14611 ObjectContextRef obc
,
14617 t
->setattr(obc
->obs
.oi
.soid
, key
, val
);
14620 void PrimaryLogPG::setattrs_maybe_cache(
14621 ObjectContextRef obc
,
14624 map
<string
, bufferlist
> &attrs
)
14626 t
->setattrs(obc
->obs
.oi
.soid
, attrs
);
14629 void PrimaryLogPG::rmattr_maybe_cache(
14630 ObjectContextRef obc
,
14635 t
->rmattr(obc
->obs
.oi
.soid
, key
);
14638 int PrimaryLogPG::getattr_maybe_cache(
14639 ObjectContextRef obc
,
14643 if (pool
.info
.require_rollback()) {
14644 map
<string
, bufferlist
>::iterator i
= obc
->attr_cache
.find(key
);
14645 if (i
!= obc
->attr_cache
.end()) {
14653 return pgbackend
->objects_get_attr(obc
->obs
.oi
.soid
, key
, val
);
14656 int PrimaryLogPG::getattrs_maybe_cache(
14657 ObjectContextRef obc
,
14658 map
<string
, bufferlist
> *out
)
14662 if (pool
.info
.require_rollback()) {
14663 *out
= obc
->attr_cache
;
14665 r
= pgbackend
->objects_get_attrs(obc
->obs
.oi
.soid
, out
);
14667 map
<string
, bufferlist
> tmp
;
14668 for (map
<string
, bufferlist
>::iterator i
= out
->begin();
14671 if (i
->first
.size() > 1 && i
->first
[0] == '_')
14672 tmp
[i
->first
.substr(1, i
->first
.size())].claim(i
->second
);
14678 bool PrimaryLogPG::check_failsafe_full(ostream
&ss
) {
14679 return osd
->check_failsafe_full(ss
);
14682 void intrusive_ptr_add_ref(PrimaryLogPG
*pg
) { pg
->get("intptr"); }
14683 void intrusive_ptr_release(PrimaryLogPG
*pg
) { pg
->put("intptr"); }
14685 #ifdef PG_DEBUG_REFS
14686 uint64_t get_with_id(PrimaryLogPG
*pg
) { return pg
->get_with_id(); }
14687 void put_with_id(PrimaryLogPG
*pg
, uint64_t id
) { return pg
->put_with_id(id
); }
14690 void intrusive_ptr_add_ref(PrimaryLogPG::RepGather
*repop
) { repop
->get(); }
14691 void intrusive_ptr_release(PrimaryLogPG::RepGather
*repop
) { repop
->put(); }