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
{
211 opcontext
->async_read_result
= r
;
212 opcontext
->finish_read(pg
);
214 ~OnReadComplete() override
{}
217 class PrimaryLogPG::C_OSD_AppliedRecoveredObject
: public Context
{
219 ObjectContextRef obc
;
221 C_OSD_AppliedRecoveredObject(PrimaryLogPG
*p
, ObjectContextRef o
) :
223 void finish(int r
) override
{
224 pg
->_applied_recovered_object(obc
);
228 class PrimaryLogPG::C_OSD_CommittedPushedObject
: public Context
{
231 eversion_t last_complete
;
233 C_OSD_CommittedPushedObject(
234 PrimaryLogPG
*p
, epoch_t epoch
, eversion_t lc
) :
235 pg(p
), epoch(epoch
), last_complete(lc
) {
237 void finish(int r
) override
{
238 pg
->_committed_pushed_object(epoch
, last_complete
);
242 class PrimaryLogPG::C_OSD_AppliedRecoveredObjectReplica
: public Context
{
245 explicit C_OSD_AppliedRecoveredObjectReplica(PrimaryLogPG
*p
) :
247 void finish(int r
) override
{
248 pg
->_applied_recovered_object_replica();
253 void PrimaryLogPG::OpContext::start_async_reads(PrimaryLogPG
*pg
)
256 list
<pair
<boost::tuple
<uint64_t, uint64_t, unsigned>,
257 pair
<bufferlist
*, Context
*> > > in
;
258 in
.swap(pending_async_reads
);
259 pg
->pgbackend
->objects_read_async(
262 new OnReadComplete(pg
, this), pg
->get_pool().fast_read
);
264 void PrimaryLogPG::OpContext::finish_read(PrimaryLogPG
*pg
)
266 assert(inflightreads
> 0);
268 if (async_reads_complete()) {
269 assert(pg
->in_progress_async_reads
.size());
270 assert(pg
->in_progress_async_reads
.front().second
== this);
271 pg
->in_progress_async_reads
.pop_front();
272 pg
->complete_read_ctx(async_read_result
, this);
276 class CopyFromCallback
: public PrimaryLogPG::CopyCallback
{
278 PrimaryLogPG::CopyResults
*results
;
280 PrimaryLogPG::OpContext
*ctx
;
281 explicit CopyFromCallback(PrimaryLogPG::OpContext
*ctx_
)
285 ~CopyFromCallback() override
{}
287 void finish(PrimaryLogPG::CopyCallbackResults results_
) override
{
288 results
= results_
.get
<1>();
289 int r
= results_
.get
<0>();
292 // for finish_copyfrom
293 ctx
->user_at_version
= results
->user_version
;
296 ctx
->pg
->execute_ctx(ctx
);
300 if (r
!= -ECANCELED
) { // on cancel just toss it out; client resends
302 ctx
->pg
->osd
->reply_op_error(ctx
->op
, r
);
303 } else if (results
->should_requeue
) {
305 ctx
->pg
->requeue_op(ctx
->op
);
307 ctx
->pg
->close_op_ctx(ctx
);
311 bool is_temp_obj_used() {
312 return results
->started_temp_obj
;
314 uint64_t get_data_size() {
315 return results
->object_size
;
322 // ======================
323 // PGBackend::Listener
325 void PrimaryLogPG::on_local_recover(
326 const hobject_t
&hoid
,
327 const ObjectRecoveryInfo
&_recovery_info
,
328 ObjectContextRef obc
,
329 ObjectStore::Transaction
*t
332 dout(10) << __func__
<< ": " << hoid
<< dendl
;
334 ObjectRecoveryInfo
recovery_info(_recovery_info
);
335 clear_object_snap_mapping(t
, hoid
);
336 if (recovery_info
.soid
.is_snap()) {
337 OSDriver::OSTransaction
_t(osdriver
.get_transaction(t
));
339 dout(20) << " snapset " << recovery_info
.ss
340 << " legacy_snaps " << recovery_info
.oi
.legacy_snaps
<< dendl
;
341 if (recovery_info
.ss
.is_legacy() ||
342 recovery_info
.ss
.seq
== 0 /* jewel osd doesn't populate this */) {
343 assert(recovery_info
.oi
.legacy_snaps
.size());
344 snaps
.insert(recovery_info
.oi
.legacy_snaps
.begin(),
345 recovery_info
.oi
.legacy_snaps
.end());
347 auto p
= recovery_info
.ss
.clone_snaps
.find(hoid
.snap
);
348 assert(p
!= recovery_info
.ss
.clone_snaps
.end()); // hmm, should we warn?
349 snaps
.insert(p
->second
.begin(), p
->second
.end());
351 dout(20) << " snaps " << snaps
<< dendl
;
357 if (pg_log
.get_missing().is_missing(recovery_info
.soid
) &&
358 pg_log
.get_missing().get_items().find(recovery_info
.soid
)->second
.need
> recovery_info
.version
) {
359 assert(is_primary());
360 const pg_log_entry_t
*latest
= pg_log
.get_log().objects
.find(recovery_info
.soid
)->second
;
361 if (latest
->op
== pg_log_entry_t::LOST_REVERT
&&
362 latest
->reverting_to
== recovery_info
.version
) {
363 dout(10) << " got old revert version " << recovery_info
.version
364 << " for " << *latest
<< dendl
;
365 recovery_info
.version
= latest
->version
;
366 // update the attr to the revert event version
367 recovery_info
.oi
.prior_version
= recovery_info
.oi
.version
;
368 recovery_info
.oi
.version
= latest
->version
;
370 ::encode(recovery_info
.oi
, bl
,
371 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
372 assert(!pool
.info
.require_rollback());
373 t
->setattr(coll
, ghobject_t(recovery_info
.soid
), OI_ATTR
, bl
);
375 obc
->attr_cache
[OI_ATTR
] = bl
;
379 // keep track of active pushes for scrub
382 if (recovery_info
.version
> pg_log
.get_can_rollback_to()) {
383 /* This can only happen during a repair, and even then, it would
384 * be one heck of a race. If we are repairing the object, the
385 * write in question must be fully committed, so it's not valid
386 * to roll it back anyway (and we'll be rolled forward shortly
388 PGLogEntryHandler h
{this, t
};
389 pg_log
.roll_forward_to(recovery_info
.version
, &h
);
391 recover_got(recovery_info
.soid
, recovery_info
.version
);
395 obc
->obs
.exists
= true;
396 obc
->ondisk_write_lock();
398 bool got
= obc
->get_recovery_read();
401 assert(recovering
.count(obc
->obs
.oi
.soid
));
402 recovering
[obc
->obs
.oi
.soid
] = obc
;
403 obc
->obs
.oi
= recovery_info
.oi
; // may have been updated above
406 t
->register_on_applied(new C_OSD_AppliedRecoveredObject(this, obc
));
407 t
->register_on_applied_sync(new C_OSD_OndiskWriteUnlock(obc
));
409 publish_stats_to_osd();
410 assert(missing_loc
.needs_recovery(hoid
));
411 missing_loc
.add_location(hoid
, pg_whoami
);
412 release_backoffs(hoid
);
413 if (!is_unreadable_object(hoid
)) {
414 auto unreadable_object_entry
= waiting_for_unreadable_object
.find(hoid
);
415 if (unreadable_object_entry
!= waiting_for_unreadable_object
.end()) {
416 dout(20) << " kicking unreadable waiters on " << hoid
<< dendl
;
417 requeue_ops(unreadable_object_entry
->second
);
418 waiting_for_unreadable_object
.erase(unreadable_object_entry
);
421 if (pg_log
.get_missing().get_items().size() == 0) {
422 requeue_ops(waiting_for_all_missing
);
423 waiting_for_all_missing
.clear();
426 t
->register_on_applied(
427 new C_OSD_AppliedRecoveredObjectReplica(this));
431 t
->register_on_commit(
432 new C_OSD_CommittedPushedObject(
434 get_osdmap()->get_epoch(),
435 info
.last_complete
));
442 void PrimaryLogPG::on_global_recover(
443 const hobject_t
&soid
,
444 const object_stat_sum_t
&stat_diff
)
446 info
.stats
.stats
.sum
.add(stat_diff
);
447 missing_loc
.recovered(soid
);
448 publish_stats_to_osd();
449 dout(10) << "pushed " << soid
<< " to all replicas" << dendl
;
450 map
<hobject_t
, ObjectContextRef
>::iterator i
= recovering
.find(soid
);
451 assert(i
!= recovering
.end());
453 // recover missing won't have had an obc, but it gets filled in
454 // during on_local_recover
456 list
<OpRequestRef
> requeue_list
;
457 i
->second
->drop_recovery_read(&requeue_list
);
458 requeue_ops(requeue_list
);
460 backfills_in_flight
.erase(soid
);
463 finish_recovery_op(soid
);
464 release_backoffs(soid
);
465 auto degraded_object_entry
= waiting_for_degraded_object
.find(soid
);
466 if (degraded_object_entry
!= waiting_for_degraded_object
.end()) {
467 dout(20) << " kicking degraded waiters on " << soid
<< dendl
;
468 requeue_ops(degraded_object_entry
->second
);
469 waiting_for_degraded_object
.erase(degraded_object_entry
);
471 auto unreadable_object_entry
= waiting_for_unreadable_object
.find(soid
);
472 if (unreadable_object_entry
!= waiting_for_unreadable_object
.end()) {
473 dout(20) << " kicking unreadable waiters on " << soid
<< dendl
;
474 requeue_ops(unreadable_object_entry
->second
);
475 waiting_for_unreadable_object
.erase(unreadable_object_entry
);
477 finish_degraded_object(soid
);
480 void PrimaryLogPG::on_peer_recover(
482 const hobject_t
&soid
,
483 const ObjectRecoveryInfo
&recovery_info
)
485 publish_stats_to_osd();
487 peer_missing
[peer
].got(soid
, recovery_info
.version
);
490 void PrimaryLogPG::begin_peer_recover(
492 const hobject_t soid
)
494 peer_missing
[peer
].revise_have(soid
, eversion_t());
497 void PrimaryLogPG::schedule_recovery_work(
498 GenContext
<ThreadPool::TPHandle
&> *c
)
500 osd
->recovery_gen_wq
.queue(c
);
503 void PrimaryLogPG::send_message_osd_cluster(
504 int peer
, Message
*m
, epoch_t from_epoch
)
506 osd
->send_message_osd_cluster(peer
, m
, from_epoch
);
509 void PrimaryLogPG::send_message_osd_cluster(
510 Message
*m
, Connection
*con
)
512 osd
->send_message_osd_cluster(m
, con
);
515 void PrimaryLogPG::send_message_osd_cluster(
516 Message
*m
, const ConnectionRef
& con
)
518 osd
->send_message_osd_cluster(m
, con
);
521 ConnectionRef
PrimaryLogPG::get_con_osd_cluster(
522 int peer
, epoch_t from_epoch
)
524 return osd
->get_con_osd_cluster(peer
, from_epoch
);
527 PerfCounters
*PrimaryLogPG::get_logger()
533 // ====================
536 bool PrimaryLogPG::is_missing_object(const hobject_t
& soid
) const
538 return pg_log
.get_missing().get_items().count(soid
);
541 void PrimaryLogPG::maybe_kick_recovery(
542 const hobject_t
&soid
)
545 if (!missing_loc
.needs_recovery(soid
, &v
))
548 map
<hobject_t
, ObjectContextRef
>::const_iterator p
= recovering
.find(soid
);
549 if (p
!= recovering
.end()) {
550 dout(7) << "object " << soid
<< " v " << v
<< ", already recovering." << dendl
;
551 } else if (missing_loc
.is_unfound(soid
)) {
552 dout(7) << "object " << soid
<< " v " << v
<< ", is unfound." << dendl
;
554 dout(7) << "object " << soid
<< " v " << v
<< ", recovering." << dendl
;
555 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
556 if (is_missing_object(soid
)) {
557 recover_missing(soid
, v
, cct
->_conf
->osd_client_op_priority
, h
);
559 prep_object_replica_pushes(soid
, v
, h
);
561 pgbackend
->run_recovery_op(h
, cct
->_conf
->osd_client_op_priority
);
565 void PrimaryLogPG::wait_for_unreadable_object(
566 const hobject_t
& soid
, OpRequestRef op
)
568 assert(is_unreadable_object(soid
));
569 maybe_kick_recovery(soid
);
570 waiting_for_unreadable_object
[soid
].push_back(op
);
571 op
->mark_delayed("waiting for missing object");
574 void PrimaryLogPG::wait_for_all_missing(OpRequestRef op
)
576 waiting_for_all_missing
.push_back(op
);
577 op
->mark_delayed("waiting for all missing");
580 bool PrimaryLogPG::is_degraded_or_backfilling_object(const hobject_t
& soid
)
582 /* The conditions below may clear (on_local_recover, before we queue
583 * the transaction) before we actually requeue the degraded waiters
584 * in on_global_recover after the transaction completes.
586 if (waiting_for_degraded_object
.count(soid
))
588 if (pg_log
.get_missing().get_items().count(soid
))
590 assert(!actingbackfill
.empty());
591 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
592 i
!= actingbackfill
.end();
594 if (*i
== get_primary()) continue;
595 pg_shard_t peer
= *i
;
596 auto peer_missing_entry
= peer_missing
.find(peer
);
597 if (peer_missing_entry
!= peer_missing
.end() &&
598 peer_missing_entry
->second
.get_items().count(soid
))
601 // Object is degraded if after last_backfill AND
602 // we are backfilling it
603 if (is_backfill_targets(peer
) &&
604 peer_info
[peer
].last_backfill
<= soid
&&
605 last_backfill_started
>= soid
&&
606 backfills_in_flight
.count(soid
))
612 void PrimaryLogPG::wait_for_degraded_object(const hobject_t
& soid
, OpRequestRef op
)
614 assert(is_degraded_or_backfilling_object(soid
));
616 maybe_kick_recovery(soid
);
617 waiting_for_degraded_object
[soid
].push_back(op
);
618 op
->mark_delayed("waiting for degraded object");
621 void PrimaryLogPG::block_write_on_full_cache(
622 const hobject_t
& _oid
, OpRequestRef op
)
624 const hobject_t oid
= _oid
.get_head();
625 dout(20) << __func__
<< ": blocking object " << oid
626 << " on full cache" << dendl
;
627 objects_blocked_on_cache_full
.insert(oid
);
628 waiting_for_cache_not_full
.push_back(op
);
629 op
->mark_delayed("waiting for cache not full");
632 void PrimaryLogPG::block_write_on_snap_rollback(
633 const hobject_t
& oid
, ObjectContextRef obc
, OpRequestRef op
)
635 dout(20) << __func__
<< ": blocking object " << oid
.get_head()
636 << " on snap promotion " << obc
->obs
.oi
.soid
<< dendl
;
637 // otherwise, we'd have blocked in do_op
638 assert(oid
.is_head());
639 assert(objects_blocked_on_snap_promotion
.count(oid
) == 0);
640 objects_blocked_on_snap_promotion
[oid
] = obc
;
641 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
644 void PrimaryLogPG::block_write_on_degraded_snap(
645 const hobject_t
& snap
, OpRequestRef op
)
647 dout(20) << __func__
<< ": blocking object " << snap
.get_head()
648 << " on degraded snap " << snap
<< dendl
;
649 // otherwise, we'd have blocked in do_op
650 assert(objects_blocked_on_degraded_snap
.count(snap
.get_head()) == 0);
651 objects_blocked_on_degraded_snap
[snap
.get_head()] = snap
.snap
;
652 wait_for_degraded_object(snap
, op
);
655 bool PrimaryLogPG::maybe_await_blocked_snapset(
656 const hobject_t
&hoid
,
659 ObjectContextRef obc
;
660 obc
= object_contexts
.lookup(hoid
.get_head());
662 if (obc
->is_blocked()) {
663 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
669 obc
= object_contexts
.lookup(hoid
.get_snapdir());
671 if (obc
->is_blocked()) {
672 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
681 void PrimaryLogPG::wait_for_blocked_object(const hobject_t
& soid
, OpRequestRef op
)
683 dout(10) << __func__
<< " " << soid
<< " " << op
<< dendl
;
684 waiting_for_blocked_object
[soid
].push_back(op
);
685 op
->mark_delayed("waiting for blocked object");
688 void PrimaryLogPG::maybe_force_recovery()
690 // no force if not in degraded/recovery/backfill stats
691 if (!is_degraded() &&
692 !state_test(PG_STATE_RECOVERING
|
693 PG_STATE_RECOVERY_WAIT
|
695 PG_STATE_BACKFILL_WAIT
|
696 PG_STATE_BACKFILL_TOOFULL
))
699 if (pg_log
.get_log().approx_size() <
700 cct
->_conf
->osd_max_pg_log_entries
*
701 cct
->_conf
->osd_force_recovery_pg_log_entries_factor
)
704 // find the oldest missing object
705 version_t min_version
= 0;
707 if (!pg_log
.get_missing().get_items().empty()) {
708 min_version
= pg_log
.get_missing().get_rmissing().begin()->first
;
709 soid
= pg_log
.get_missing().get_rmissing().begin()->second
;
711 assert(!actingbackfill
.empty());
712 for (set
<pg_shard_t
>::iterator it
= actingbackfill
.begin();
713 it
!= actingbackfill
.end();
715 if (*it
== get_primary()) continue;
716 pg_shard_t peer
= *it
;
717 if (peer_missing
.count(peer
) &&
718 !peer_missing
[peer
].get_items().empty() &&
719 min_version
> peer_missing
[peer
].get_rmissing().begin()->first
) {
720 min_version
= peer_missing
[peer
].get_rmissing().begin()->first
;
721 soid
= peer_missing
[peer
].get_rmissing().begin()->second
;
726 if (soid
!= hobject_t())
727 maybe_kick_recovery(soid
);
730 class PGLSPlainFilter
: public PGLSFilter
{
733 int init(bufferlist::iterator
¶ms
) override
736 ::decode(xattr
, params
);
737 ::decode(val
, params
);
738 } catch (buffer::error
&e
) {
744 ~PGLSPlainFilter() override
{}
745 bool filter(const hobject_t
&obj
, bufferlist
& xattr_data
,
746 bufferlist
& outdata
) override
;
749 class PGLSParentFilter
: public PGLSFilter
{
750 inodeno_t parent_ino
;
753 PGLSParentFilter(CephContext
* cct
) : cct(cct
) {
756 int init(bufferlist::iterator
¶ms
) override
759 ::decode(parent_ino
, params
);
760 } catch (buffer::error
&e
) {
763 generic_dout(0) << "parent_ino=" << parent_ino
<< dendl
;
767 ~PGLSParentFilter() override
{}
768 bool filter(const hobject_t
&obj
, bufferlist
& xattr_data
,
769 bufferlist
& outdata
) override
;
772 bool PGLSParentFilter::filter(const hobject_t
&obj
,
773 bufferlist
& xattr_data
, bufferlist
& outdata
)
775 bufferlist::iterator iter
= xattr_data
.begin();
776 inode_backtrace_t bt
;
778 generic_dout(0) << "PGLSParentFilter::filter" << dendl
;
782 vector
<inode_backpointer_t
>::iterator vi
;
783 for (vi
= bt
.ancestors
.begin(); vi
!= bt
.ancestors
.end(); ++vi
) {
784 generic_dout(0) << "vi->dirino=" << vi
->dirino
<< " parent_ino=" << parent_ino
<< dendl
;
785 if (vi
->dirino
== parent_ino
) {
786 ::encode(*vi
, outdata
);
794 bool PGLSPlainFilter::filter(const hobject_t
&obj
,
795 bufferlist
& xattr_data
, bufferlist
& outdata
)
797 if (val
.size() != xattr_data
.length())
800 if (memcmp(val
.c_str(), xattr_data
.c_str(), val
.size()))
806 bool PrimaryLogPG::pgls_filter(PGLSFilter
*filter
, hobject_t
& sobj
, bufferlist
& outdata
)
810 // If filter has expressed an interest in an xattr, load it.
811 if (!filter
->get_xattr().empty()) {
812 int ret
= pgbackend
->objects_get_attr(
816 dout(0) << "getattr (sobj=" << sobj
<< ", attr=" << filter
->get_xattr() << ") returned " << ret
<< dendl
;
818 if (ret
!= -ENODATA
|| filter
->reject_empty_xattr()) {
824 return filter
->filter(sobj
, bl
, outdata
);
827 int PrimaryLogPG::get_pgls_filter(bufferlist::iterator
& iter
, PGLSFilter
**pfilter
)
833 ::decode(type
, iter
);
835 catch (buffer::error
& e
) {
839 if (type
.compare("parent") == 0) {
840 filter
= new PGLSParentFilter(cct
);
841 } else if (type
.compare("plain") == 0) {
842 filter
= new PGLSPlainFilter();
844 std::size_t dot
= type
.find(".");
845 if (dot
== std::string::npos
|| dot
== 0 || dot
== type
.size() - 1) {
849 const std::string class_name
= type
.substr(0, dot
);
850 const std::string filter_name
= type
.substr(dot
+ 1);
851 ClassHandler::ClassData
*cls
= NULL
;
852 int r
= osd
->class_handler
->open_class(class_name
, &cls
);
854 derr
<< "Error opening class '" << class_name
<< "': "
855 << cpp_strerror(r
) << dendl
;
856 if (r
!= -EPERM
) // propogate permission error
863 ClassHandler::ClassFilter
*class_filter
= cls
->get_filter(filter_name
);
864 if (class_filter
== NULL
) {
865 derr
<< "Error finding filter '" << filter_name
<< "' in class "
866 << class_name
<< dendl
;
869 filter
= class_filter
->fn();
871 // Object classes are obliged to return us something, but let's
872 // give an error rather than asserting out.
873 derr
<< "Buggy class " << class_name
<< " failed to construct "
874 "filter " << filter_name
<< dendl
;
880 int r
= filter
->init(iter
);
882 derr
<< "Error initializing filter " << type
<< ": "
883 << cpp_strerror(r
) << dendl
;
887 // Successfully constructed and initialized, return it.
894 // ==========================================================
896 int PrimaryLogPG::do_command(
904 const pg_missing_t
&missing
= pg_log
.get_missing();
908 cmd_getval(cct
, cmdmap
, "format", format
);
909 boost::scoped_ptr
<Formatter
> f(Formatter::create(format
, "json-pretty", "json"));
912 cmd_getval(cct
, cmdmap
, "cmd", command
);
913 if (command
== "query") {
914 f
->open_object_section("pg");
915 f
->dump_string("state", pg_state_string(get_state()));
916 f
->dump_stream("snap_trimq") << snap_trimq
;
917 f
->dump_unsigned("epoch", get_osdmap()->get_epoch());
918 f
->open_array_section("up");
919 for (vector
<int>::iterator p
= up
.begin(); p
!= up
.end(); ++p
)
920 f
->dump_unsigned("osd", *p
);
922 f
->open_array_section("acting");
923 for (vector
<int>::iterator p
= acting
.begin(); p
!= acting
.end(); ++p
)
924 f
->dump_unsigned("osd", *p
);
926 if (!backfill_targets
.empty()) {
927 f
->open_array_section("backfill_targets");
928 for (set
<pg_shard_t
>::iterator p
= backfill_targets
.begin();
929 p
!= backfill_targets
.end();
931 f
->dump_stream("shard") << *p
;
934 if (!actingbackfill
.empty()) {
935 f
->open_array_section("actingbackfill");
936 for (set
<pg_shard_t
>::iterator p
= actingbackfill
.begin();
937 p
!= actingbackfill
.end();
939 f
->dump_stream("shard") << *p
;
942 f
->open_object_section("info");
943 _update_calc_stats();
947 f
->open_array_section("peer_info");
948 for (map
<pg_shard_t
, pg_info_t
>::iterator p
= peer_info
.begin();
949 p
!= peer_info
.end();
951 f
->open_object_section("info");
952 f
->dump_stream("peer") << p
->first
;
953 p
->second
.dump(f
.get());
958 f
->open_array_section("recovery_state");
959 handle_query_state(f
.get());
962 f
->open_object_section("agent_state");
964 agent_state
->dump(f
.get());
971 else if (command
== "mark_unfound_lost") {
973 cmd_getval(cct
, cmdmap
, "mulcmd", mulcmd
);
975 if (mulcmd
== "revert") {
976 if (pool
.info
.ec_pool()) {
977 ss
<< "mode must be 'delete' for ec pool";
980 mode
= pg_log_entry_t::LOST_REVERT
;
981 } else if (mulcmd
== "delete") {
982 mode
= pg_log_entry_t::LOST_DELETE
;
984 ss
<< "mode must be 'revert' or 'delete'; mark not yet implemented";
987 assert(mode
== pg_log_entry_t::LOST_REVERT
||
988 mode
== pg_log_entry_t::LOST_DELETE
);
995 uint64_t unfound
= missing_loc
.num_unfound();
997 ss
<< "pg has no unfound objects";
998 return 0; // make command idempotent
1001 if (!all_unfound_are_queried_or_lost(get_osdmap())) {
1002 ss
<< "pg has " << unfound
1003 << " unfound objects but we haven't probed all sources, not marking lost";
1007 mark_all_unfound_lost(mode
, con
, tid
);
1010 else if (command
== "list_missing") {
1013 if (cmd_getval(cct
, cmdmap
, "offset", offset_json
)) {
1014 json_spirit::Value v
;
1016 if (!json_spirit::read(offset_json
, v
))
1017 throw std::runtime_error("bad json");
1019 } catch (std::runtime_error
& e
) {
1020 ss
<< "error parsing offset: " << e
.what();
1024 f
->open_object_section("missing");
1026 f
->open_object_section("offset");
1027 offset
.dump(f
.get());
1030 f
->dump_int("num_missing", missing
.num_missing());
1031 f
->dump_int("num_unfound", get_num_unfound());
1032 const map
<hobject_t
, pg_missing_item
> &needs_recovery_map
=
1033 missing_loc
.get_needs_recovery();
1034 map
<hobject_t
, pg_missing_item
>::const_iterator p
=
1035 needs_recovery_map
.upper_bound(offset
);
1037 f
->open_array_section("objects");
1039 for (; p
!= needs_recovery_map
.end() && num
< cct
->_conf
->osd_command_max_records
; ++p
) {
1040 if (missing_loc
.is_unfound(p
->first
)) {
1041 f
->open_object_section("object");
1043 f
->open_object_section("oid");
1044 p
->first
.dump(f
.get());
1047 p
->second
.dump(f
.get()); // have, need keys
1049 f
->open_array_section("locations");
1050 for (set
<pg_shard_t
>::iterator r
=
1051 missing_loc
.get_locations(p
->first
).begin();
1052 r
!= missing_loc
.get_locations(p
->first
).end();
1054 f
->dump_stream("shard") << *r
;
1063 f
->dump_bool("more", p
!= needs_recovery_map
.end());
1069 ss
<< "unknown pg command " << prefix
;
1073 // ==========================================================
1075 void PrimaryLogPG::do_pg_op(OpRequestRef op
)
1077 // NOTE: this is non-const because we modify the OSDOp.outdata in
1079 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
1080 assert(m
->get_type() == CEPH_MSG_OSD_OP
);
1081 dout(10) << "do_pg_op " << *m
<< dendl
;
1086 string cname
, mname
;
1087 PGLSFilter
*filter
= NULL
;
1088 bufferlist filter_out
;
1090 snapid_t snapid
= m
->get_snapid();
1092 vector
<OSDOp
> ops
= m
->ops
;
1094 for (vector
<OSDOp
>::iterator p
= ops
.begin(); p
!= ops
.end(); ++p
) {
1096 bufferlist::iterator bp
= p
->indata
.begin();
1098 case CEPH_OSD_OP_PGNLS_FILTER
:
1100 ::decode(cname
, bp
);
1101 ::decode(mname
, bp
);
1103 catch (const buffer::error
& e
) {
1104 dout(0) << "unable to decode PGLS_FILTER description in " << *m
<< dendl
;
1112 result
= get_pgls_filter(bp
, &filter
);
1120 case CEPH_OSD_OP_PGNLS
:
1121 if (snapid
!= CEPH_NOSNAP
) {
1125 if (get_osdmap()->raw_pg_to_pg(m
->get_pg()) != info
.pgid
.pgid
) {
1126 dout(10) << " pgnls pg=" << m
->get_pg()
1127 << " " << get_osdmap()->raw_pg_to_pg(m
->get_pg())
1128 << " != " << info
.pgid
<< dendl
;
1131 unsigned list_size
= MIN(cct
->_conf
->osd_max_pgls
, p
->op
.pgls
.count
);
1133 dout(10) << " pgnls pg=" << m
->get_pg() << " count " << list_size
<< dendl
;
1134 // read into a buffer
1135 vector
<hobject_t
> sentries
;
1136 pg_nls_response_t response
;
1138 ::decode(response
.handle
, bp
);
1140 catch (const buffer::error
& e
) {
1141 dout(0) << "unable to decode PGNLS handle in " << *m
<< dendl
;
1147 hobject_t lower_bound
= response
.handle
;
1148 hobject_t pg_start
= info
.pgid
.pgid
.get_hobj_start();
1149 hobject_t pg_end
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1150 dout(10) << " pgnls lower_bound " << lower_bound
1151 << " pg_end " << pg_end
<< dendl
;
1152 if (((!lower_bound
.is_max() && lower_bound
>= pg_end
) ||
1153 (lower_bound
!= hobject_t() && lower_bound
< pg_start
))) {
1154 // this should only happen with a buggy client.
1155 dout(10) << "outside of PG bounds " << pg_start
<< " .. "
1161 hobject_t current
= lower_bound
;
1163 int r
= pgbackend
->objects_list_partial(
1174 map
<hobject_t
, pg_missing_item
>::const_iterator missing_iter
=
1175 pg_log
.get_missing().get_items().lower_bound(current
);
1176 vector
<hobject_t
>::iterator ls_iter
= sentries
.begin();
1177 hobject_t _max
= hobject_t::get_max();
1179 const hobject_t
&mcand
=
1180 missing_iter
== pg_log
.get_missing().get_items().end() ?
1182 missing_iter
->first
;
1183 const hobject_t
&lcand
=
1184 ls_iter
== sentries
.end() ?
1188 hobject_t candidate
;
1189 if (mcand
== lcand
) {
1191 if (!mcand
.is_max()) {
1195 } else if (mcand
< lcand
) {
1197 assert(!mcand
.is_max());
1201 assert(!lcand
.is_max());
1205 dout(10) << " pgnls candidate 0x" << std::hex
<< candidate
.get_hash()
1206 << " vs lower bound 0x" << lower_bound
.get_hash() << dendl
;
1208 if (candidate
>= next
) {
1212 if (response
.entries
.size() == list_size
) {
1217 // skip snapdir objects
1218 if (candidate
.snap
== CEPH_SNAPDIR
)
1221 if (candidate
.snap
!= CEPH_NOSNAP
)
1224 // skip internal namespace
1225 if (candidate
.get_namespace() == cct
->_conf
->osd_hit_set_namespace
)
1228 // skip wrong namespace
1229 if (m
->get_hobj().nspace
!= librados::all_nspaces
&&
1230 candidate
.get_namespace() != m
->get_hobj().nspace
)
1233 if (filter
&& !pgls_filter(filter
, candidate
, filter_out
))
1236 dout(20) << "pgnls item 0x" << std::hex
1237 << candidate
.get_hash()
1238 << ", rev 0x" << hobject_t::_reverse_bits(candidate
.get_hash())
1240 << candidate
.oid
.name
<< dendl
;
1242 librados::ListObjectImpl item
;
1243 item
.nspace
= candidate
.get_namespace();
1244 item
.oid
= candidate
.oid
.name
;
1245 item
.locator
= candidate
.get_key();
1246 response
.entries
.push_back(item
);
1249 if (next
.is_max() &&
1250 missing_iter
== pg_log
.get_missing().get_items().end() &&
1251 ls_iter
== sentries
.end()) {
1254 // Set response.handle to the start of the next PG according
1255 // to the object sort order.
1256 response
.handle
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1258 response
.handle
= next
;
1260 dout(10) << "pgnls handle=" << response
.handle
<< dendl
;
1261 ::encode(response
, osd_op
.outdata
);
1263 ::encode(filter_out
, osd_op
.outdata
);
1264 dout(10) << " pgnls result=" << result
<< " outdata.length()="
1265 << osd_op
.outdata
.length() << dendl
;
1269 case CEPH_OSD_OP_PGLS_FILTER
:
1271 ::decode(cname
, bp
);
1272 ::decode(mname
, bp
);
1274 catch (const buffer::error
& e
) {
1275 dout(0) << "unable to decode PGLS_FILTER description in " << *m
<< dendl
;
1283 result
= get_pgls_filter(bp
, &filter
);
1291 case CEPH_OSD_OP_PGLS
:
1292 if (snapid
!= CEPH_NOSNAP
) {
1296 if (get_osdmap()->raw_pg_to_pg(m
->get_pg()) != info
.pgid
.pgid
) {
1297 dout(10) << " pgls pg=" << m
->get_pg()
1298 << " " << get_osdmap()->raw_pg_to_pg(m
->get_pg())
1299 << " != " << info
.pgid
<< dendl
;
1302 unsigned list_size
= MIN(cct
->_conf
->osd_max_pgls
, p
->op
.pgls
.count
);
1304 dout(10) << " pgls pg=" << m
->get_pg() << " count " << list_size
<< dendl
;
1305 // read into a buffer
1306 vector
<hobject_t
> sentries
;
1307 pg_ls_response_t response
;
1309 ::decode(response
.handle
, bp
);
1311 catch (const buffer::error
& e
) {
1312 dout(0) << "unable to decode PGLS handle in " << *m
<< dendl
;
1318 hobject_t current
= response
.handle
;
1320 int r
= pgbackend
->objects_list_partial(
1331 assert(snapid
== CEPH_NOSNAP
|| pg_log
.get_missing().get_items().empty());
1333 map
<hobject_t
, pg_missing_item
>::const_iterator missing_iter
=
1334 pg_log
.get_missing().get_items().lower_bound(current
);
1335 vector
<hobject_t
>::iterator ls_iter
= sentries
.begin();
1336 hobject_t _max
= hobject_t::get_max();
1338 const hobject_t
&mcand
=
1339 missing_iter
== pg_log
.get_missing().get_items().end() ?
1341 missing_iter
->first
;
1342 const hobject_t
&lcand
=
1343 ls_iter
== sentries
.end() ?
1347 hobject_t candidate
;
1348 if (mcand
== lcand
) {
1350 if (!mcand
.is_max()) {
1354 } else if (mcand
< lcand
) {
1356 assert(!mcand
.is_max());
1360 assert(!lcand
.is_max());
1364 if (candidate
>= next
) {
1368 if (response
.entries
.size() == list_size
) {
1373 // skip snapdir objects
1374 if (candidate
.snap
== CEPH_SNAPDIR
)
1377 if (candidate
.snap
!= CEPH_NOSNAP
)
1380 // skip wrong namespace
1381 if (candidate
.get_namespace() != m
->get_hobj().nspace
)
1384 if (filter
&& !pgls_filter(filter
, candidate
, filter_out
))
1387 response
.entries
.push_back(make_pair(candidate
.oid
,
1388 candidate
.get_key()));
1390 if (next
.is_max() &&
1391 missing_iter
== pg_log
.get_missing().get_items().end() &&
1392 ls_iter
== sentries
.end()) {
1395 response
.handle
= next
;
1396 ::encode(response
, osd_op
.outdata
);
1398 ::encode(filter_out
, osd_op
.outdata
);
1399 dout(10) << " pgls result=" << result
<< " outdata.length()="
1400 << osd_op
.outdata
.length() << dendl
;
1404 case CEPH_OSD_OP_PG_HITSET_LS
:
1406 list
< pair
<utime_t
,utime_t
> > ls
;
1407 for (list
<pg_hit_set_info_t
>::const_iterator p
= info
.hit_set
.history
.begin();
1408 p
!= info
.hit_set
.history
.end();
1410 ls
.push_back(make_pair(p
->begin
, p
->end
));
1412 ls
.push_back(make_pair(hit_set_start_stamp
, utime_t()));
1413 ::encode(ls
, osd_op
.outdata
);
1417 case CEPH_OSD_OP_PG_HITSET_GET
:
1419 utime_t
stamp(osd_op
.op
.hit_set_get
.stamp
);
1420 if (hit_set_start_stamp
&& stamp
>= hit_set_start_stamp
) {
1421 // read the current in-memory HitSet, not the version we've
1427 ::encode(*hit_set
, osd_op
.outdata
);
1428 result
= osd_op
.outdata
.length();
1430 // read an archived HitSet.
1432 for (list
<pg_hit_set_info_t
>::const_iterator p
= info
.hit_set
.history
.begin();
1433 p
!= info
.hit_set
.history
.end();
1435 if (stamp
>= p
->begin
&& stamp
<= p
->end
) {
1436 oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
1440 if (oid
== hobject_t()) {
1444 if (!pool
.info
.is_replicated()) {
1445 // FIXME: EC not supported yet
1446 result
= -EOPNOTSUPP
;
1449 if (is_unreadable_object(oid
)) {
1450 wait_for_unreadable_object(oid
, op
);
1454 result
= osd
->store
->read(ch
, ghobject_t(oid
), 0, 0, osd_op
.outdata
);
1459 case CEPH_OSD_OP_SCRUBLS
:
1460 result
= do_scrub_ls(m
, &osd_op
);
1473 MOSDOpReply
*reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(),
1474 CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
,
1476 reply
->claim_op_out_data(ops
);
1477 reply
->set_result(result
);
1478 reply
->set_reply_versions(info
.last_update
, info
.last_user_version
);
1479 osd
->send_message_osd_client(reply
, m
->get_connection());
1483 int PrimaryLogPG::do_scrub_ls(MOSDOp
*m
, OSDOp
*osd_op
)
1485 if (m
->get_pg() != info
.pgid
.pgid
) {
1486 dout(10) << " scrubls pg=" << m
->get_pg() << " != " << info
.pgid
<< dendl
;
1487 return -EINVAL
; // hmm?
1489 auto bp
= osd_op
->indata
.begin();
1493 } catch (buffer::error
&) {
1494 dout(10) << " corrupted scrub_ls_arg_t" << dendl
;
1498 scrub_ls_result_t result
= {.interval
= info
.history
.same_interval_since
};
1499 if (arg
.interval
!= 0 && arg
.interval
!= info
.history
.same_interval_since
) {
1501 } else if (!scrubber
.store
) {
1503 } else if (arg
.get_snapsets
) {
1504 result
.vals
= scrubber
.store
->get_snap_errors(osd
->store
,
1509 result
.vals
= scrubber
.store
->get_object_errors(osd
->store
,
1514 ::encode(result
, osd_op
->outdata
);
1518 void PrimaryLogPG::calc_trim_to()
1520 size_t target
= cct
->_conf
->osd_min_pg_log_entries
;
1521 if (is_degraded() ||
1522 state_test(PG_STATE_RECOVERING
|
1523 PG_STATE_RECOVERY_WAIT
|
1525 PG_STATE_BACKFILL_WAIT
|
1526 PG_STATE_BACKFILL_TOOFULL
)) {
1527 target
= cct
->_conf
->osd_max_pg_log_entries
;
1530 eversion_t limit
= MIN(
1531 min_last_complete_ondisk
,
1532 pg_log
.get_can_rollback_to());
1533 if (limit
!= eversion_t() &&
1534 limit
!= pg_trim_to
&&
1535 pg_log
.get_log().approx_size() > target
) {
1536 size_t num_to_trim
= pg_log
.get_log().approx_size() - target
;
1537 if (num_to_trim
< cct
->_conf
->osd_pg_log_trim_min
) {
1540 list
<pg_log_entry_t
>::const_iterator it
= pg_log
.get_log().log
.begin();
1541 eversion_t new_trim_to
;
1542 for (size_t i
= 0; i
< num_to_trim
; ++i
) {
1543 new_trim_to
= it
->version
;
1545 if (new_trim_to
> limit
) {
1546 new_trim_to
= limit
;
1547 dout(10) << "calc_trim_to trimming to min_last_complete_ondisk" << dendl
;
1551 dout(10) << "calc_trim_to " << pg_trim_to
<< " -> " << new_trim_to
<< dendl
;
1552 pg_trim_to
= new_trim_to
;
1553 assert(pg_trim_to
<= pg_log
.get_head());
1554 assert(pg_trim_to
<= min_last_complete_ondisk
);
1558 PrimaryLogPG::PrimaryLogPG(OSDService
*o
, OSDMapRef curmap
,
1559 const PGPool
&_pool
, spg_t p
) :
1560 PG(o
, curmap
, _pool
, p
),
1562 PGBackend::build_pg_backend(
1563 _pool
.info
, curmap
, this, coll_t(p
), ch
, o
->store
, cct
)),
1564 object_contexts(o
->cct
, o
->cct
->_conf
->osd_pg_object_context_cache_count
),
1565 snapset_contexts_lock("PrimaryLogPG::snapset_contexts_lock"),
1566 new_backfill(false),
1568 snap_trimmer_machine(this)
1570 missing_loc
.set_backend_predicates(
1571 pgbackend
->get_is_readable_predicate(),
1572 pgbackend
->get_is_recoverable_predicate());
1573 snap_trimmer_machine
.initiate();
1576 void PrimaryLogPG::get_src_oloc(const object_t
& oid
, const object_locator_t
& oloc
, object_locator_t
& src_oloc
)
1579 if (oloc
.key
.empty())
1580 src_oloc
.key
= oid
.name
;
1583 void PrimaryLogPG::handle_backoff(OpRequestRef
& op
)
1585 const MOSDBackoff
*m
= static_cast<const MOSDBackoff
*>(op
->get_req());
1586 SessionRef session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1589 session
->put(); // get_priv takes a ref, and so does the SessionRef
1590 hobject_t begin
= info
.pgid
.pgid
.get_hobj_start();
1591 hobject_t end
= info
.pgid
.pgid
.get_hobj_end(pool
.info
.get_pg_num());
1592 if (begin
< m
->begin
) {
1598 dout(10) << __func__
<< " backoff ack id " << m
->id
1599 << " [" << begin
<< "," << end
<< ")" << dendl
;
1600 session
->ack_backoff(cct
, m
->pgid
, m
->id
, begin
, end
);
1603 void PrimaryLogPG::do_request(
1605 ThreadPool::TPHandle
&handle
)
1607 if (op
->osd_trace
) {
1608 op
->pg_trace
.init("pg op", &trace_endpoint
, &op
->osd_trace
);
1609 op
->pg_trace
.event("do request");
1611 // make sure we have a new enough map
1612 auto p
= waiting_for_map
.find(op
->get_source());
1613 if (p
!= waiting_for_map
.end()) {
1614 // preserve ordering
1615 dout(20) << __func__
<< " waiting_for_map "
1616 << p
->first
<< " not empty, queueing" << dendl
;
1617 p
->second
.push_back(op
);
1618 op
->mark_delayed("waiting_for_map not empty");
1621 if (!have_same_or_newer_map(op
->min_epoch
)) {
1622 dout(20) << __func__
<< " min " << op
->min_epoch
1623 << ", queue on waiting_for_map " << op
->get_source() << dendl
;
1624 waiting_for_map
[op
->get_source()].push_back(op
);
1625 op
->mark_delayed("op must wait for map");
1629 if (can_discard_request(op
)) {
1634 const Message
*m
= op
->get_req();
1635 if (m
->get_connection()->has_feature(CEPH_FEATURE_RADOS_BACKOFF
)) {
1636 SessionRef session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1639 session
->put(); // get_priv takes a ref, and so does the SessionRef
1641 if (op
->get_req()->get_type() == CEPH_MSG_OSD_OP
) {
1642 if (session
->check_backoff(cct
, info
.pgid
,
1643 info
.pgid
.pgid
.get_hobj_start(), m
)) {
1650 (!is_active() && is_peered());
1651 if (g_conf
->osd_backoff_on_peering
&& !backoff
) {
1657 add_pg_backoff(session
);
1661 // pg backoff acks at pg-level
1662 if (op
->get_req()->get_type() == CEPH_MSG_OSD_BACKOFF
) {
1663 const MOSDBackoff
*ba
= static_cast<const MOSDBackoff
*>(m
);
1664 if (ba
->begin
!= ba
->end
) {
1671 if (flushes_in_progress
> 0) {
1672 dout(20) << flushes_in_progress
1673 << " flushes_in_progress pending "
1674 << "waiting for active on " << op
<< dendl
;
1675 waiting_for_peered
.push_back(op
);
1676 op
->mark_delayed("waiting for peered");
1681 // Delay unless PGBackend says it's ok
1682 if (pgbackend
->can_handle_while_inactive(op
)) {
1683 bool handled
= pgbackend
->handle_message(op
);
1687 waiting_for_peered
.push_back(op
);
1688 op
->mark_delayed("waiting for peered");
1693 assert(is_peered() && flushes_in_progress
== 0);
1694 if (pgbackend
->handle_message(op
))
1697 switch (op
->get_req()->get_type()) {
1698 case CEPH_MSG_OSD_OP
:
1699 case CEPH_MSG_OSD_BACKOFF
:
1701 dout(20) << " peered, not active, waiting for active on " << op
<< dendl
;
1702 waiting_for_active
.push_back(op
);
1703 op
->mark_delayed("waiting for active");
1706 switch (op
->get_req()->get_type()) {
1707 case CEPH_MSG_OSD_OP
:
1708 // verify client features
1709 if ((pool
.info
.has_tiers() || pool
.info
.is_tier()) &&
1710 !op
->has_feature(CEPH_FEATURE_OSD_CACHEPOOL
)) {
1711 osd
->reply_op_error(op
, -EOPNOTSUPP
);
1716 case CEPH_MSG_OSD_BACKOFF
:
1717 // object-level backoff acks handled in osdop context
1727 case MSG_OSD_SUBOPREPLY
:
1728 do_sub_op_reply(op
);
1731 case MSG_OSD_PG_SCAN
:
1732 do_scan(op
, handle
);
1735 case MSG_OSD_PG_BACKFILL
:
1739 case MSG_OSD_PG_BACKFILL_REMOVE
:
1740 do_backfill_remove(op
);
1743 case MSG_OSD_SCRUB_RESERVE
:
1745 const MOSDScrubReserve
*m
=
1746 static_cast<const MOSDScrubReserve
*>(op
->get_req());
1748 case MOSDScrubReserve::REQUEST
:
1749 handle_scrub_reserve_request(op
);
1751 case MOSDScrubReserve::GRANT
:
1752 handle_scrub_reserve_grant(op
, m
->from
);
1754 case MOSDScrubReserve::REJECT
:
1755 handle_scrub_reserve_reject(op
, m
->from
);
1757 case MOSDScrubReserve::RELEASE
:
1758 handle_scrub_reserve_release(op
);
1764 case MSG_OSD_REP_SCRUB
:
1765 replica_scrub(op
, handle
);
1768 case MSG_OSD_REP_SCRUBMAP
:
1769 do_replica_scrub_map(op
);
1772 case MSG_OSD_PG_UPDATE_LOG_MISSING
:
1773 do_update_log_missing(op
);
1776 case MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY
:
1777 do_update_log_missing_reply(op
);
1781 assert(0 == "bad message type in do_request");
1785 hobject_t
PrimaryLogPG::earliest_backfill() const
1787 hobject_t e
= hobject_t::get_max();
1788 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
1789 i
!= backfill_targets
.end();
1792 map
<pg_shard_t
, pg_info_t
>::const_iterator iter
= peer_info
.find(bt
);
1793 assert(iter
!= peer_info
.end());
1794 if (iter
->second
.last_backfill
< e
)
1795 e
= iter
->second
.last_backfill
;
1800 /** do_op - do an op
1801 * pg lock will be held (if multithreaded)
1802 * osd_lock NOT held.
1804 void PrimaryLogPG::do_op(OpRequestRef
& op
)
1807 // NOTE: take a non-const pointer here; we must be careful not to
1808 // change anything that will break other reads on m (operator<<).
1809 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
1810 assert(m
->get_type() == CEPH_MSG_OSD_OP
);
1811 if (m
->finish_decode()) {
1812 op
->reset_desc(); // for TrackedOp
1816 dout(20) << __func__
<< ": op " << *m
<< dendl
;
1818 hobject_t head
= m
->get_hobj();
1819 head
.snap
= CEPH_NOSNAP
;
1821 if (!info
.pgid
.pgid
.contains(
1822 info
.pgid
.pgid
.get_split_bits(pool
.info
.get_pg_num()), head
)) {
1823 derr
<< __func__
<< " " << info
.pgid
.pgid
<< " does not contain "
1824 << head
<< " pg_num " << pool
.info
.get_pg_num() << " hash "
1825 << std::hex
<< head
.get_hash() << std::dec
<< dendl
;
1826 osd
->clog
->warn() << info
.pgid
.pgid
<< " does not contain " << head
1828 assert(!cct
->_conf
->osd_debug_misdirected_ops
);
1833 m
->get_connection()->has_feature(CEPH_FEATURE_RADOS_BACKOFF
);
1836 session
= static_cast<Session
*>(m
->get_connection()->get_priv());
1837 if (!session
.get()) {
1838 dout(10) << __func__
<< " no session" << dendl
;
1841 session
->put(); // get_priv() takes a ref, and so does the intrusive_ptr
1843 if (session
->check_backoff(cct
, info
.pgid
, head
, m
)) {
1848 if (m
->has_flag(CEPH_OSD_FLAG_PARALLELEXEC
)) {
1850 dout(20) << __func__
<< ": PARALLELEXEC not implemented " << *m
<< dendl
;
1851 osd
->reply_op_error(op
, -EINVAL
);
1855 if (op
->rmw_flags
== 0) {
1856 int r
= osd
->osd
->init_op_flags(op
);
1858 osd
->reply_op_error(op
, r
);
1863 if ((m
->get_flags() & (CEPH_OSD_FLAG_BALANCE_READS
|
1864 CEPH_OSD_FLAG_LOCALIZE_READS
)) &&
1866 !(op
->may_write() || op
->may_cache())) {
1867 // balanced reads; any replica will do
1868 if (!(is_primary() || is_replica())) {
1869 osd
->handle_misdirected_op(this, op
);
1873 // normal case; must be primary
1874 if (!is_primary()) {
1875 osd
->handle_misdirected_op(this, op
);
1880 if (!op_has_sufficient_caps(op
)) {
1881 osd
->reply_op_error(op
, -EPERM
);
1885 if (op
->includes_pg_op()) {
1886 return do_pg_op(op
);
1889 // object name too long?
1890 if (m
->get_oid().name
.size() > cct
->_conf
->osd_max_object_name_len
) {
1891 dout(4) << "do_op name is longer than "
1892 << cct
->_conf
->osd_max_object_name_len
1893 << " bytes" << dendl
;
1894 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1897 if (m
->get_hobj().get_key().size() > cct
->_conf
->osd_max_object_name_len
) {
1898 dout(4) << "do_op locator is longer than "
1899 << cct
->_conf
->osd_max_object_name_len
1900 << " bytes" << dendl
;
1901 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1904 if (m
->get_hobj().nspace
.size() > cct
->_conf
->osd_max_object_namespace_len
) {
1905 dout(4) << "do_op namespace is longer than "
1906 << cct
->_conf
->osd_max_object_namespace_len
1907 << " bytes" << dendl
;
1908 osd
->reply_op_error(op
, -ENAMETOOLONG
);
1912 if (int r
= osd
->store
->validate_hobject_key(head
)) {
1913 dout(4) << "do_op object " << head
<< " invalid for backing store: "
1915 osd
->reply_op_error(op
, r
);
1920 if (get_osdmap()->is_blacklisted(m
->get_source_addr())) {
1921 dout(10) << "do_op " << m
->get_source_addr() << " is blacklisted" << dendl
;
1922 osd
->reply_op_error(op
, -EBLACKLISTED
);
1926 // order this op as a write?
1927 bool write_ordered
= op
->rwordered();
1929 // discard due to cluster full transition? (we discard any op that
1930 // originates before the cluster or pool is marked full; the client
1931 // will resend after the full flag is removed or if they expect the
1932 // op to succeed despite being full). The except is FULL_FORCE and
1933 // FULL_TRY ops, which there is no reason to discard because they
1934 // bypass all full checks anyway. If this op isn't write or
1935 // read-ordered, we skip.
1936 // FIXME: we exclude mds writes for now.
1937 if (write_ordered
&& !(m
->get_source().is_mds() ||
1938 m
->has_flag(CEPH_OSD_FLAG_FULL_TRY
) ||
1939 m
->has_flag(CEPH_OSD_FLAG_FULL_FORCE
)) &&
1940 info
.history
.last_epoch_marked_full
> m
->get_map_epoch()) {
1941 dout(10) << __func__
<< " discarding op sent before full " << m
<< " "
1945 // mds should have stopped writing before this point.
1946 // We can't allow OSD to become non-startable even if mds
1947 // could be writing as part of file removals.
1949 if (write_ordered
&& osd
->check_failsafe_full(ss
)) {
1950 dout(10) << __func__
<< " fail-safe full check failed, dropping request"
1955 int64_t poolid
= get_pgid().pool();
1956 if (op
->may_write()) {
1958 const pg_pool_t
*pi
= get_osdmap()->get_pg_pool(poolid
);
1964 if (m
->get_snapid() != CEPH_NOSNAP
) {
1965 dout(20) << __func__
<< ": write to clone not valid " << *m
<< dendl
;
1966 osd
->reply_op_error(op
, -EINVAL
);
1971 if (cct
->_conf
->osd_max_write_size
&&
1972 m
->get_data_len() > cct
->_conf
->osd_max_write_size
<< 20) {
1973 // journal can't hold commit!
1974 derr
<< "do_op msg data len " << m
->get_data_len()
1975 << " > osd_max_write_size " << (cct
->_conf
->osd_max_write_size
<< 20)
1976 << " on " << *m
<< dendl
;
1977 osd
->reply_op_error(op
, -OSD_WRITETOOBIG
);
1982 dout(10) << "do_op " << *m
1983 << (op
->may_write() ? " may_write" : "")
1984 << (op
->may_read() ? " may_read" : "")
1985 << (op
->may_cache() ? " may_cache" : "")
1986 << " -> " << (write_ordered
? "write-ordered" : "read-ordered")
1987 << " flags " << ceph_osd_flag_string(m
->get_flags())
1991 if (is_unreadable_object(head
)) {
1993 (g_conf
->osd_backoff_on_degraded
||
1994 (g_conf
->osd_backoff_on_unfound
&& missing_loc
.is_unfound(head
)))) {
1995 add_backoff(session
, head
, head
);
1996 maybe_kick_recovery(head
);
1998 wait_for_unreadable_object(head
, op
);
2004 if (write_ordered
&& is_degraded_or_backfilling_object(head
)) {
2005 if (can_backoff
&& g_conf
->osd_backoff_on_degraded
) {
2006 add_backoff(session
, head
, head
);
2008 wait_for_degraded_object(head
, op
);
2013 if (write_ordered
&&
2014 scrubber
.write_blocked_by_scrub(head
)) {
2015 dout(20) << __func__
<< ": waiting for scrub" << dendl
;
2016 waiting_for_scrub
.push_back(op
);
2017 op
->mark_delayed("waiting for scrub");
2022 map
<hobject_t
, snapid_t
>::iterator blocked_iter
=
2023 objects_blocked_on_degraded_snap
.find(head
);
2024 if (write_ordered
&& blocked_iter
!= objects_blocked_on_degraded_snap
.end()) {
2025 hobject_t
to_wait_on(head
);
2026 to_wait_on
.snap
= blocked_iter
->second
;
2027 wait_for_degraded_object(to_wait_on
, op
);
2030 map
<hobject_t
, ObjectContextRef
>::iterator blocked_snap_promote_iter
=
2031 objects_blocked_on_snap_promotion
.find(head
);
2032 if (write_ordered
&&
2033 blocked_snap_promote_iter
!= objects_blocked_on_snap_promotion
.end()) {
2034 wait_for_blocked_object(
2035 blocked_snap_promote_iter
->second
->obs
.oi
.soid
,
2039 if (write_ordered
&& objects_blocked_on_cache_full
.count(head
)) {
2040 block_write_on_full_cache(head
, op
);
2045 hobject_t snapdir
= head
.get_snapdir();
2047 if (is_unreadable_object(snapdir
)) {
2048 wait_for_unreadable_object(snapdir
, op
);
2053 if (write_ordered
&& is_degraded_or_backfilling_object(snapdir
)) {
2054 wait_for_degraded_object(snapdir
, op
);
2059 if (op
->may_write() || op
->may_cache()) {
2060 // warning: we will get back *a* request for this reqid, but not
2061 // necessarily the most recent. this happens with flush and
2062 // promote ops, but we can't possible have both in our log where
2063 // the original request is still not stable on disk, so for our
2064 // purposes here it doesn't matter which one we get.
2066 version_t user_version
;
2067 int return_code
= 0;
2068 bool got
= check_in_progress_op(
2069 m
->get_reqid(), &version
, &user_version
, &return_code
);
2071 dout(3) << __func__
<< " dup " << m
->get_reqid()
2072 << " version " << version
<< dendl
;
2073 if (already_complete(version
)) {
2074 osd
->reply_op_error(op
, return_code
, version
, user_version
);
2076 dout(10) << " waiting for " << version
<< " to commit" << dendl
;
2077 // always queue ondisk waiters, so that we can requeue if needed
2078 waiting_for_ondisk
[version
].push_back(make_pair(op
, user_version
));
2079 op
->mark_delayed("waiting for ondisk");
2085 ObjectContextRef obc
;
2086 bool can_create
= op
->may_write() || op
->may_cache();
2087 hobject_t missing_oid
;
2088 const hobject_t
& oid
= m
->get_hobj();
2090 // io blocked on obc?
2091 if (!m
->has_flag(CEPH_OSD_FLAG_FLUSH
) &&
2092 maybe_await_blocked_snapset(oid
, op
)) {
2096 int r
= find_object_context(
2097 oid
, &obc
, can_create
,
2098 m
->has_flag(CEPH_OSD_FLAG_MAP_SNAP_CLONE
),
2102 // If we're not the primary of this OSD, we just return -EAGAIN. Otherwise,
2103 // we have to wait for the object.
2105 // missing the specific snap we need; requeue and wait.
2106 assert(!op
->may_write()); // only happens on a read/cache
2107 wait_for_unreadable_object(missing_oid
, op
);
2110 } else if (r
== 0) {
2111 if (is_unreadable_object(obc
->obs
.oi
.soid
)) {
2112 dout(10) << __func__
<< ": clone " << obc
->obs
.oi
.soid
2113 << " is unreadable, waiting" << dendl
;
2114 wait_for_unreadable_object(obc
->obs
.oi
.soid
, op
);
2118 // degraded object? (the check above was for head; this could be a clone)
2119 if (write_ordered
&&
2120 obc
->obs
.oi
.soid
.snap
!= CEPH_NOSNAP
&&
2121 is_degraded_or_backfilling_object(obc
->obs
.oi
.soid
)) {
2122 dout(10) << __func__
<< ": clone " << obc
->obs
.oi
.soid
2123 << " is degraded, waiting" << dendl
;
2124 wait_for_degraded_object(obc
->obs
.oi
.soid
, op
);
2129 bool in_hit_set
= false;
2132 if (obc
->obs
.oi
.soid
!= hobject_t() && hit_set
->contains(obc
->obs
.oi
.soid
))
2135 if (missing_oid
!= hobject_t() && hit_set
->contains(missing_oid
))
2138 if (!op
->hitset_inserted
) {
2139 hit_set
->insert(oid
);
2140 op
->hitset_inserted
= true;
2141 if (hit_set
->is_full() ||
2142 hit_set_start_stamp
+ pool
.info
.hit_set_period
<= m
->get_recv_stamp()) {
2149 if (agent_choose_mode(false, op
))
2153 if (obc
.get() && obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2154 if (maybe_handle_manifest(op
,
2160 if (maybe_handle_cache(op
,
2169 if (r
&& (r
!= -ENOENT
|| !obc
)) {
2170 // copy the reqids for copy get on ENOENT
2172 (m
->ops
[0].op
.op
== CEPH_OSD_OP_COPY_GET
)) {
2173 fill_in_copy_get_noent(op
, oid
, m
->ops
[0]);
2176 dout(20) << __func__
<< "find_object_context got error " << r
<< dendl
;
2177 if (op
->may_write() &&
2178 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
2179 record_write_error(op
, oid
, nullptr, r
);
2181 osd
->reply_op_error(op
, r
);
2186 // make sure locator is consistent
2187 object_locator_t
oloc(obc
->obs
.oi
.soid
);
2188 if (m
->get_object_locator() != oloc
) {
2189 dout(10) << " provided locator " << m
->get_object_locator()
2190 << " != object's " << obc
->obs
.oi
.soid
<< dendl
;
2191 osd
->clog
->warn() << "bad locator " << m
->get_object_locator()
2192 << " on object " << oloc
2196 // io blocked on obc?
2197 if (obc
->is_blocked() &&
2198 !m
->has_flag(CEPH_OSD_FLAG_FLUSH
)) {
2199 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
2203 dout(25) << __func__
<< " oi " << obc
->obs
.oi
<< dendl
;
2205 for (vector
<OSDOp
>::iterator p
= m
->ops
.begin(); p
!= m
->ops
.end(); ++p
) {
2208 // make sure LIST_SNAPS is on CEPH_SNAPDIR and nothing else
2209 if (osd_op
.op
.op
== CEPH_OSD_OP_LIST_SNAPS
&&
2210 m
->get_snapid() != CEPH_SNAPDIR
) {
2211 dout(10) << "LIST_SNAPS with incorrect context" << dendl
;
2212 osd
->reply_op_error(op
, -EINVAL
);
2217 OpContext
*ctx
= new OpContext(op
, m
->get_reqid(), m
->ops
, obc
, this);
2219 if (!obc
->obs
.exists
)
2220 ctx
->snapset_obc
= get_object_context(obc
->obs
.oi
.soid
.get_snapdir(), false);
2222 /* Due to obc caching, we might have a cached non-existent snapset_obc
2223 * for the snapdir. If so, we can ignore it. Subsequent parts of the
2224 * do_op pipeline make decisions based on whether snapset_obc is
2227 if (ctx
->snapset_obc
&& !ctx
->snapset_obc
->obs
.exists
)
2228 ctx
->snapset_obc
= ObjectContextRef();
2230 if (m
->has_flag(CEPH_OSD_FLAG_SKIPRWLOCKS
)) {
2231 dout(20) << __func__
<< ": skipping rw locks" << dendl
;
2232 } else if (m
->get_flags() & CEPH_OSD_FLAG_FLUSH
) {
2233 dout(20) << __func__
<< ": part of flush, will ignore write lock" << dendl
;
2235 // verify there is in fact a flush in progress
2236 // FIXME: we could make this a stronger test.
2237 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(obc
->obs
.oi
.soid
);
2238 if (p
== flush_ops
.end()) {
2239 dout(10) << __func__
<< " no flush in progress, aborting" << dendl
;
2240 reply_ctx(ctx
, -EINVAL
);
2243 } else if (!get_rw_locks(write_ordered
, ctx
)) {
2244 dout(20) << __func__
<< " waiting for rw locks " << dendl
;
2245 op
->mark_delayed("waiting for rw locks");
2249 dout(20) << __func__
<< " obc " << *obc
<< dendl
;
2252 dout(20) << __func__
<< " returned an error: " << r
<< dendl
;
2254 if (op
->may_write() &&
2255 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
2256 record_write_error(op
, oid
, nullptr, r
);
2258 osd
->reply_op_error(op
, r
);
2263 if (m
->has_flag(CEPH_OSD_FLAG_IGNORE_CACHE
)) {
2264 ctx
->ignore_cache
= true;
2267 if ((op
->may_read()) && (obc
->obs
.oi
.is_lost())) {
2268 // This object is lost. Reading from it returns an error.
2269 dout(20) << __func__
<< ": object " << obc
->obs
.oi
.soid
2270 << " is lost" << dendl
;
2271 reply_ctx(ctx
, -ENFILE
);
2274 if (!op
->may_write() &&
2276 (!obc
->obs
.exists
||
2277 ((m
->get_snapid() != CEPH_SNAPDIR
) &&
2278 obc
->obs
.oi
.is_whiteout()))) {
2279 // copy the reqids for copy get on ENOENT
2280 if (m
->ops
[0].op
.op
== CEPH_OSD_OP_COPY_GET
) {
2281 fill_in_copy_get_noent(op
, oid
, m
->ops
[0]);
2285 reply_ctx(ctx
, -ENOENT
);
2292 utime_t prepare_latency
= ceph_clock_now();
2293 prepare_latency
-= op
->get_dequeued_time();
2294 osd
->logger
->tinc(l_osd_op_prepare_lat
, prepare_latency
);
2295 if (op
->may_read() && op
->may_write()) {
2296 osd
->logger
->tinc(l_osd_op_rw_prepare_lat
, prepare_latency
);
2297 } else if (op
->may_read()) {
2298 osd
->logger
->tinc(l_osd_op_r_prepare_lat
, prepare_latency
);
2299 } else if (op
->may_write() || op
->may_cache()) {
2300 osd
->logger
->tinc(l_osd_op_w_prepare_lat
, prepare_latency
);
2303 // force recovery of the oldest missing object if too many logs
2304 maybe_force_recovery();
2306 PrimaryLogPG::cache_result_t
PrimaryLogPG::maybe_handle_manifest_detail(
2309 ObjectContextRef obc
)
2311 if (static_cast<const MOSDOp
*>(op
->get_req())->get_flags() &
2312 CEPH_OSD_FLAG_IGNORE_REDIRECT
) {
2313 dout(20) << __func__
<< ": ignoring redirect due to flag" << dendl
;
2314 return cache_result_t::NOOP
;
2318 dout(10) << __func__
<< " " << obc
->obs
.oi
<< " "
2319 << (obc
->obs
.exists
? "exists" : "DNE")
2322 // if it is write-ordered and blocked, stop now
2323 if (obc
.get() && obc
->is_blocked() && write_ordered
) {
2324 // we're already doing something with this object
2325 dout(20) << __func__
<< " blocked on " << obc
->obs
.oi
.soid
<< dendl
;
2326 return cache_result_t::NOOP
;
2329 vector
<OSDOp
> ops
= static_cast<const MOSDOp
*>(op
->get_req())->ops
;
2330 for (vector
<OSDOp
>::iterator p
= ops
.begin(); p
!= ops
.end(); ++p
) {
2332 ceph_osd_op
& op
= osd_op
.op
;
2333 if (op
.op
== CEPH_OSD_OP_SET_REDIRECT
) {
2334 return cache_result_t::NOOP
;
2338 switch (obc
->obs
.oi
.manifest
.type
) {
2339 case object_manifest_t::TYPE_REDIRECT
:
2340 if (op
->may_write() || write_ordered
) {
2341 do_proxy_write(op
, obc
->obs
.oi
.soid
, obc
);
2343 do_proxy_read(op
, obc
);
2345 return cache_result_t::HANDLED_PROXY
;
2346 case object_manifest_t::TYPE_CHUNKED
:
2348 assert(0 == "unrecognized manifest type");
2351 return cache_result_t::NOOP
;
2354 void PrimaryLogPG::record_write_error(OpRequestRef op
, const hobject_t
&soid
,
2355 MOSDOpReply
*orig_reply
, int r
)
2357 dout(20) << __func__
<< " r=" << r
<< dendl
;
2358 assert(op
->may_write());
2359 const osd_reqid_t
&reqid
= static_cast<const MOSDOp
*>(op
->get_req())->get_reqid();
2360 ObjectContextRef obc
;
2361 mempool::osd_pglog::list
<pg_log_entry_t
> entries
;
2362 entries
.push_back(pg_log_entry_t(pg_log_entry_t::ERROR
, soid
,
2363 get_next_version(), eversion_t(), 0,
2364 reqid
, utime_t(), r
));
2369 boost::intrusive_ptr
<MOSDOpReply
> orig_reply
;
2374 MOSDOpReply
*orig_reply
,
2377 orig_reply(orig_reply
, false /* take over ref */), r(r
)
2380 ldpp_dout(pg
, 20) << "finished " << __func__
<< " r=" << r
<< dendl
;
2381 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2382 int flags
= m
->get_flags() & (CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
2383 MOSDOpReply
*reply
= orig_reply
.detach();
2384 if (reply
== nullptr) {
2385 reply
= new MOSDOpReply(m
, r
, pg
->get_osdmap()->get_epoch(),
2388 ldpp_dout(pg
, 10) << " sending commit on " << *m
<< " " << reply
<< dendl
;
2389 pg
->osd
->send_message_osd_client(reply
, m
->get_connection());
2393 ObcLockManager lock_manager
;
2396 std::move(lock_manager
),
2397 boost::optional
<std::function
<void(void)> >(
2398 OnComplete(this, op
, orig_reply
, r
)),
2403 PrimaryLogPG::cache_result_t
PrimaryLogPG::maybe_handle_cache_detail(
2406 ObjectContextRef obc
,
2407 int r
, hobject_t missing_oid
,
2410 ObjectContextRef
*promote_obc
)
2414 op
->get_req()->get_type() == CEPH_MSG_OSD_OP
&&
2415 (static_cast<const MOSDOp
*>(op
->get_req())->get_flags() &
2416 CEPH_OSD_FLAG_IGNORE_CACHE
)) {
2417 dout(20) << __func__
<< ": ignoring cache due to flag" << dendl
;
2418 return cache_result_t::NOOP
;
2420 // return quickly if caching is not enabled
2421 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)
2422 return cache_result_t::NOOP
;
2424 must_promote
= must_promote
|| op
->need_promote();
2427 dout(25) << __func__
<< " " << obc
->obs
.oi
<< " "
2428 << (obc
->obs
.exists
? "exists" : "DNE")
2429 << " missing_oid " << missing_oid
2430 << " must_promote " << (int)must_promote
2431 << " in_hit_set " << (int)in_hit_set
2434 dout(25) << __func__
<< " (no obc)"
2435 << " missing_oid " << missing_oid
2436 << " must_promote " << (int)must_promote
2437 << " in_hit_set " << (int)in_hit_set
2440 // if it is write-ordered and blocked, stop now
2441 if (obc
.get() && obc
->is_blocked() && write_ordered
) {
2442 // we're already doing something with this object
2443 dout(20) << __func__
<< " blocked on " << obc
->obs
.oi
.soid
<< dendl
;
2444 return cache_result_t::NOOP
;
2447 if (r
== -ENOENT
&& missing_oid
== hobject_t()) {
2448 // we know this object is logically absent (e.g., an undefined clone)
2449 return cache_result_t::NOOP
;
2452 if (obc
.get() && obc
->obs
.exists
) {
2453 osd
->logger
->inc(l_osd_op_cache_hit
);
2454 return cache_result_t::NOOP
;
2457 if (missing_oid
== hobject_t() && obc
.get()) {
2458 missing_oid
= obc
->obs
.oi
.soid
;
2461 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2462 const object_locator_t oloc
= m
->get_object_locator();
2464 if (op
->need_skip_handle_cache()) {
2465 return cache_result_t::NOOP
;
2468 // older versions do not proxy the feature bits.
2469 bool can_proxy_write
= get_osdmap()->get_up_osd_features() &
2470 CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES
;
2471 OpRequestRef promote_op
;
2473 switch (pool
.info
.cache_mode
) {
2474 case pg_pool_t::CACHEMODE_WRITEBACK
:
2476 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2477 if (!op
->may_write() && !op
->may_cache() &&
2478 !write_ordered
&& !must_promote
) {
2479 dout(20) << __func__
<< " cache pool full, proxying read" << dendl
;
2481 return cache_result_t::HANDLED_PROXY
;
2483 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2484 block_write_on_full_cache(missing_oid
, op
);
2485 return cache_result_t::BLOCKED_FULL
;
2488 if (must_promote
|| (!hit_set
&& !op
->need_skip_promote())) {
2489 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2490 return cache_result_t::BLOCKED_PROMOTE
;
2493 if (op
->may_write() || op
->may_cache()) {
2494 if (can_proxy_write
) {
2495 do_proxy_write(op
, missing_oid
);
2497 // promote if can't proxy the write
2498 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2499 return cache_result_t::BLOCKED_PROMOTE
;
2503 if (!op
->need_skip_promote() &&
2504 maybe_promote(obc
, missing_oid
, oloc
, in_hit_set
,
2505 pool
.info
.min_write_recency_for_promote
,
2508 return cache_result_t::BLOCKED_PROMOTE
;
2510 return cache_result_t::HANDLED_PROXY
;
2514 // Avoid duplicate promotion
2515 if (obc
.get() && obc
->is_blocked()) {
2518 return cache_result_t::BLOCKED_PROMOTE
;
2522 if (!op
->need_skip_promote()) {
2523 (void)maybe_promote(obc
, missing_oid
, oloc
, in_hit_set
,
2524 pool
.info
.min_read_recency_for_promote
,
2525 promote_op
, promote_obc
);
2528 return cache_result_t::HANDLED_PROXY
;
2530 assert(0 == "unreachable");
2531 return cache_result_t::NOOP
;
2533 case pg_pool_t::CACHEMODE_FORWARD
:
2534 // FIXME: this mode allows requests to be reordered.
2535 do_cache_redirect(op
);
2536 return cache_result_t::HANDLED_REDIRECT
;
2538 case pg_pool_t::CACHEMODE_READONLY
:
2539 // TODO: clean this case up
2540 if (!obc
.get() && r
== -ENOENT
) {
2541 // we don't have the object and op's a read
2542 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2543 return cache_result_t::BLOCKED_PROMOTE
;
2545 if (!r
) { // it must be a write
2546 do_cache_redirect(op
);
2547 return cache_result_t::HANDLED_REDIRECT
;
2549 // crap, there was a failure of some kind
2550 return cache_result_t::NOOP
;
2552 case pg_pool_t::CACHEMODE_READFORWARD
:
2553 // Do writeback to the cache tier for writes
2554 if (op
->may_write() || write_ordered
|| must_promote
) {
2556 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2557 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2558 block_write_on_full_cache(missing_oid
, op
);
2559 return cache_result_t::BLOCKED_FULL
;
2561 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2562 return cache_result_t::BLOCKED_PROMOTE
;
2565 // If it is a read, we can read, we need to forward it
2566 do_cache_redirect(op
);
2567 return cache_result_t::HANDLED_REDIRECT
;
2569 case pg_pool_t::CACHEMODE_PROXY
:
2570 if (!must_promote
) {
2571 if (op
->may_write() || op
->may_cache() || write_ordered
) {
2572 if (can_proxy_write
) {
2573 do_proxy_write(op
, missing_oid
);
2574 return cache_result_t::HANDLED_PROXY
;
2578 return cache_result_t::HANDLED_PROXY
;
2581 // ugh, we're forced to promote.
2583 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2584 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2585 block_write_on_full_cache(missing_oid
, op
);
2586 return cache_result_t::BLOCKED_FULL
;
2588 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2589 return cache_result_t::BLOCKED_PROMOTE
;
2591 case pg_pool_t::CACHEMODE_READPROXY
:
2592 // Do writeback to the cache tier for writes
2593 if (op
->may_write() || write_ordered
|| must_promote
) {
2595 agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
2596 dout(20) << __func__
<< " cache pool full, waiting" << dendl
;
2597 block_write_on_full_cache(missing_oid
, op
);
2598 return cache_result_t::BLOCKED_FULL
;
2600 promote_object(obc
, missing_oid
, oloc
, op
, promote_obc
);
2601 return cache_result_t::BLOCKED_PROMOTE
;
2604 // If it is a read, we can read, we need to proxy it
2606 return cache_result_t::HANDLED_PROXY
;
2609 assert(0 == "unrecognized cache_mode");
2611 return cache_result_t::NOOP
;
2614 bool PrimaryLogPG::maybe_promote(ObjectContextRef obc
,
2615 const hobject_t
& missing_oid
,
2616 const object_locator_t
& oloc
,
2619 OpRequestRef promote_op
,
2620 ObjectContextRef
*promote_obc
)
2622 dout(20) << __func__
<< " missing_oid " << missing_oid
2623 << " in_hit_set " << in_hit_set
<< dendl
;
2629 // Check if in the current hit set
2639 unsigned count
= (int)in_hit_set
;
2641 // Check if in other hit sets
2642 const hobject_t
& oid
= obc
.get() ? obc
->obs
.oi
.soid
: missing_oid
;
2643 for (map
<time_t,HitSetRef
>::reverse_iterator itor
=
2644 agent_state
->hit_set_map
.rbegin();
2645 itor
!= agent_state
->hit_set_map
.rend();
2647 if (!itor
->second
->contains(oid
)) {
2651 if (count
>= recency
) {
2656 if (count
>= recency
) {
2659 return false; // not promoting
2664 if (osd
->promote_throttle()) {
2665 dout(10) << __func__
<< " promote throttled" << dendl
;
2668 promote_object(obc
, missing_oid
, oloc
, promote_op
, promote_obc
);
2672 void PrimaryLogPG::do_cache_redirect(OpRequestRef op
)
2674 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2675 int flags
= m
->get_flags() & (CEPH_OSD_FLAG_ACK
|CEPH_OSD_FLAG_ONDISK
);
2676 MOSDOpReply
*reply
= new MOSDOpReply(m
, -ENOENT
,
2677 get_osdmap()->get_epoch(), flags
, false);
2678 request_redirect_t
redir(m
->get_object_locator(), pool
.info
.tier_of
);
2679 reply
->set_redirect(redir
);
2680 dout(10) << "sending redirect to pool " << pool
.info
.tier_of
<< " for op "
2682 m
->get_connection()->send_message(reply
);
2686 struct C_ProxyRead
: public Context
{
2689 epoch_t last_peering_reset
;
2691 PrimaryLogPG::ProxyReadOpRef prdop
;
2693 C_ProxyRead(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
2694 const PrimaryLogPG::ProxyReadOpRef
& prd
)
2695 : pg(p
), oid(o
), last_peering_reset(lpr
),
2696 tid(0), prdop(prd
), start(ceph_clock_now())
2698 void finish(int r
) override
{
2699 if (prdop
->canceled
)
2702 if (prdop
->canceled
) {
2706 if (last_peering_reset
== pg
->get_last_peering_reset()) {
2707 pg
->finish_proxy_read(oid
, tid
, r
);
2708 pg
->osd
->logger
->tinc(l_osd_tier_r_lat
, ceph_clock_now() - start
);
2714 void PrimaryLogPG::do_proxy_read(OpRequestRef op
, ObjectContextRef obc
)
2716 // NOTE: non-const here because the ProxyReadOp needs mutable refs to
2717 // stash the result in the request's OSDOp vector
2718 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
2719 object_locator_t oloc
;
2721 /* extensible tier */
2722 if (obc
&& obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2723 switch (obc
->obs
.oi
.manifest
.type
) {
2724 case object_manifest_t::TYPE_REDIRECT
:
2725 oloc
= object_locator_t(obc
->obs
.oi
.manifest
.redirect_target
);
2726 soid
= obc
->obs
.oi
.manifest
.redirect_target
;
2728 case object_manifest_t::TYPE_CHUNKED
:
2730 assert(0 == "unrecognized manifest type");
2734 soid
= m
->get_hobj();
2735 oloc
= object_locator_t(m
->get_object_locator());
2736 oloc
.pool
= pool
.info
.tier_of
;
2738 unsigned flags
= CEPH_OSD_FLAG_IGNORE_CACHE
| CEPH_OSD_FLAG_IGNORE_OVERLAY
;
2740 // pass through some original flags that make sense.
2741 // - leave out redirection and balancing flags since we are
2742 // already proxying through the primary
2743 // - leave off read/write/exec flags that are derived from the op
2744 flags
|= m
->get_flags() & (CEPH_OSD_FLAG_RWORDERED
|
2745 CEPH_OSD_FLAG_ORDERSNAP
|
2746 CEPH_OSD_FLAG_ENFORCE_SNAPC
|
2747 CEPH_OSD_FLAG_MAP_SNAP_CLONE
);
2749 dout(10) << __func__
<< " Start proxy read for " << *m
<< dendl
;
2751 ProxyReadOpRef
prdop(std::make_shared
<ProxyReadOp
>(op
, soid
, m
->ops
));
2753 ObjectOperation obj_op
;
2754 obj_op
.dup(prdop
->ops
);
2756 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_WRITEBACK
&&
2757 (agent_state
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
)) {
2758 for (unsigned i
= 0; i
< obj_op
.ops
.size(); i
++) {
2759 ceph_osd_op op
= obj_op
.ops
[i
].op
;
2761 case CEPH_OSD_OP_READ
:
2762 case CEPH_OSD_OP_SYNC_READ
:
2763 case CEPH_OSD_OP_SPARSE_READ
:
2764 case CEPH_OSD_OP_CHECKSUM
:
2765 op
.flags
= (op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL
) &
2766 ~(CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
| CEPH_OSD_OP_FLAG_FADVISE_NOCACHE
);
2771 C_ProxyRead
*fin
= new C_ProxyRead(this, soid
, get_last_peering_reset(),
2773 ceph_tid_t tid
= osd
->objecter
->read(
2774 soid
.oid
, oloc
, obj_op
,
2775 m
->get_snapid(), NULL
,
2776 flags
, new C_OnFinisher(fin
, &osd
->objecter_finisher
),
2777 &prdop
->user_version
,
2778 &prdop
->data_offset
,
2781 prdop
->objecter_tid
= tid
;
2782 proxyread_ops
[tid
] = prdop
;
2783 in_progress_proxy_ops
[soid
].push_back(op
);
2786 void PrimaryLogPG::finish_proxy_read(hobject_t oid
, ceph_tid_t tid
, int r
)
2788 dout(10) << __func__
<< " " << oid
<< " tid " << tid
2789 << " " << cpp_strerror(r
) << dendl
;
2791 map
<ceph_tid_t
, ProxyReadOpRef
>::iterator p
= proxyread_ops
.find(tid
);
2792 if (p
== proxyread_ops
.end()) {
2793 dout(10) << __func__
<< " no proxyread_op found" << dendl
;
2796 ProxyReadOpRef prdop
= p
->second
;
2797 if (tid
!= prdop
->objecter_tid
) {
2798 dout(10) << __func__
<< " tid " << tid
<< " != prdop " << prdop
2799 << " tid " << prdop
->objecter_tid
<< dendl
;
2802 if (oid
!= prdop
->soid
) {
2803 dout(10) << __func__
<< " oid " << oid
<< " != prdop " << prdop
2804 << " soid " << prdop
->soid
<< dendl
;
2807 proxyread_ops
.erase(tid
);
2809 map
<hobject_t
, list
<OpRequestRef
>>::iterator q
= in_progress_proxy_ops
.find(oid
);
2810 if (q
== in_progress_proxy_ops
.end()) {
2811 dout(10) << __func__
<< " no in_progress_proxy_ops found" << dendl
;
2814 assert(q
->second
.size());
2815 list
<OpRequestRef
>::iterator it
= std::find(q
->second
.begin(),
2818 assert(it
!= q
->second
.end());
2819 OpRequestRef op
= *it
;
2820 q
->second
.erase(it
);
2821 if (q
->second
.size() == 0) {
2822 in_progress_proxy_ops
.erase(oid
);
2825 osd
->logger
->inc(l_osd_tier_proxy_read
);
2827 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
2828 OpContext
*ctx
= new OpContext(op
, m
->get_reqid(), prdop
->ops
, this);
2829 ctx
->reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, false);
2830 ctx
->user_at_version
= prdop
->user_version
;
2831 ctx
->data_off
= prdop
->data_offset
;
2832 ctx
->ignore_log_op_stats
= true;
2833 complete_read_ctx(r
, ctx
);
2836 void PrimaryLogPG::kick_proxy_ops_blocked(hobject_t
& soid
)
2838 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
= in_progress_proxy_ops
.find(soid
);
2839 if (p
== in_progress_proxy_ops
.end())
2842 list
<OpRequestRef
>& ls
= p
->second
;
2843 dout(10) << __func__
<< " " << soid
<< " requeuing " << ls
.size() << " requests" << dendl
;
2845 in_progress_proxy_ops
.erase(p
);
2848 void PrimaryLogPG::cancel_proxy_read(ProxyReadOpRef prdop
)
2850 dout(10) << __func__
<< " " << prdop
->soid
<< dendl
;
2851 prdop
->canceled
= true;
2853 // cancel objecter op, if we can
2854 if (prdop
->objecter_tid
) {
2855 osd
->objecter
->op_cancel(prdop
->objecter_tid
, -ECANCELED
);
2856 for (uint32_t i
= 0; i
< prdop
->ops
.size(); i
++) {
2857 prdop
->ops
[i
].outdata
.clear();
2859 proxyread_ops
.erase(prdop
->objecter_tid
);
2860 prdop
->objecter_tid
= 0;
2864 void PrimaryLogPG::cancel_proxy_ops(bool requeue
)
2866 dout(10) << __func__
<< dendl
;
2868 // cancel proxy reads
2869 map
<ceph_tid_t
, ProxyReadOpRef
>::iterator p
= proxyread_ops
.begin();
2870 while (p
!= proxyread_ops
.end()) {
2871 cancel_proxy_read((p
++)->second
);
2874 // cancel proxy writes
2875 map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator q
= proxywrite_ops
.begin();
2876 while (q
!= proxywrite_ops
.end()) {
2877 cancel_proxy_write((q
++)->second
);
2881 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
=
2882 in_progress_proxy_ops
.begin();
2883 while (p
!= in_progress_proxy_ops
.end()) {
2884 list
<OpRequestRef
>& ls
= p
->second
;
2885 dout(10) << __func__
<< " " << p
->first
<< " requeuing " << ls
.size()
2886 << " requests" << dendl
;
2888 in_progress_proxy_ops
.erase(p
++);
2891 in_progress_proxy_ops
.clear();
2895 struct C_ProxyWrite_Commit
: public Context
{
2898 epoch_t last_peering_reset
;
2900 PrimaryLogPG::ProxyWriteOpRef pwop
;
2901 C_ProxyWrite_Commit(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
2902 const PrimaryLogPG::ProxyWriteOpRef
& pw
)
2903 : pg(p
), oid(o
), last_peering_reset(lpr
),
2906 void finish(int r
) override
{
2910 if (pwop
->canceled
) {
2914 if (last_peering_reset
== pg
->get_last_peering_reset()) {
2915 pg
->finish_proxy_write(oid
, tid
, r
);
2921 void PrimaryLogPG::do_proxy_write(OpRequestRef op
, const hobject_t
& missing_oid
, ObjectContextRef obc
)
2923 // NOTE: non-const because ProxyWriteOp takes a mutable ref
2924 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
2925 object_locator_t oloc
;
2926 SnapContext
snapc(m
->get_snap_seq(), m
->get_snaps());
2928 /* extensible tier */
2929 if (obc
&& obc
->obs
.exists
&& obc
->obs
.oi
.has_manifest()) {
2930 switch (obc
->obs
.oi
.manifest
.type
) {
2931 case object_manifest_t::TYPE_REDIRECT
:
2932 oloc
= object_locator_t(obc
->obs
.oi
.manifest
.redirect_target
);
2933 soid
= obc
->obs
.oi
.manifest
.redirect_target
;
2935 case object_manifest_t::TYPE_CHUNKED
:
2937 assert(0 == "unrecognized manifest type");
2941 soid
= m
->get_hobj();
2942 oloc
= object_locator_t(m
->get_object_locator());
2943 oloc
.pool
= pool
.info
.tier_of
;
2946 unsigned flags
= CEPH_OSD_FLAG_IGNORE_CACHE
| CEPH_OSD_FLAG_IGNORE_OVERLAY
;
2947 if (!(op
->may_write() || op
->may_cache())) {
2948 flags
|= CEPH_OSD_FLAG_RWORDERED
;
2950 dout(10) << __func__
<< " Start proxy write for " << *m
<< dendl
;
2952 ProxyWriteOpRef
pwop(std::make_shared
<ProxyWriteOp
>(op
, soid
, m
->ops
, m
->get_reqid()));
2953 pwop
->ctx
= new OpContext(op
, m
->get_reqid(), pwop
->ops
, this);
2954 pwop
->mtime
= m
->get_mtime();
2956 ObjectOperation obj_op
;
2957 obj_op
.dup(pwop
->ops
);
2959 C_ProxyWrite_Commit
*fin
= new C_ProxyWrite_Commit(
2960 this, soid
, get_last_peering_reset(), pwop
);
2961 ceph_tid_t tid
= osd
->objecter
->mutate(
2962 soid
.oid
, oloc
, obj_op
, snapc
,
2963 ceph::real_clock::from_ceph_timespec(pwop
->mtime
),
2964 flags
, new C_OnFinisher(fin
, &osd
->objecter_finisher
),
2965 &pwop
->user_version
, pwop
->reqid
);
2967 pwop
->objecter_tid
= tid
;
2968 proxywrite_ops
[tid
] = pwop
;
2969 in_progress_proxy_ops
[soid
].push_back(op
);
2972 void PrimaryLogPG::finish_proxy_write(hobject_t oid
, ceph_tid_t tid
, int r
)
2974 dout(10) << __func__
<< " " << oid
<< " tid " << tid
2975 << " " << cpp_strerror(r
) << dendl
;
2977 map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator p
= proxywrite_ops
.find(tid
);
2978 if (p
== proxywrite_ops
.end()) {
2979 dout(10) << __func__
<< " no proxywrite_op found" << dendl
;
2982 ProxyWriteOpRef pwop
= p
->second
;
2983 assert(tid
== pwop
->objecter_tid
);
2984 assert(oid
== pwop
->soid
);
2986 proxywrite_ops
.erase(tid
);
2988 map
<hobject_t
, list
<OpRequestRef
> >::iterator q
= in_progress_proxy_ops
.find(oid
);
2989 if (q
== in_progress_proxy_ops
.end()) {
2990 dout(10) << __func__
<< " no in_progress_proxy_ops found" << dendl
;
2995 list
<OpRequestRef
>& in_progress_op
= q
->second
;
2996 assert(in_progress_op
.size());
2997 list
<OpRequestRef
>::iterator it
= std::find(in_progress_op
.begin(),
2998 in_progress_op
.end(),
3000 assert(it
!= in_progress_op
.end());
3001 in_progress_op
.erase(it
);
3002 if (in_progress_op
.size() == 0) {
3003 in_progress_proxy_ops
.erase(oid
);
3006 osd
->logger
->inc(l_osd_tier_proxy_write
);
3008 const MOSDOp
*m
= static_cast<const MOSDOp
*>(pwop
->op
->get_req());
3011 if (!pwop
->sent_reply
) {
3013 MOSDOpReply
*reply
= pwop
->ctx
->reply
;
3015 pwop
->ctx
->reply
= NULL
;
3017 reply
= new MOSDOpReply(m
, r
, get_osdmap()->get_epoch(), 0, true);
3018 reply
->set_reply_versions(eversion_t(), pwop
->user_version
);
3020 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3021 dout(10) << " sending commit on " << pwop
<< " " << reply
<< dendl
;
3022 osd
->send_message_osd_client(reply
, m
->get_connection());
3023 pwop
->sent_reply
= true;
3024 pwop
->ctx
->op
->mark_commit_sent();
3031 void PrimaryLogPG::cancel_proxy_write(ProxyWriteOpRef pwop
)
3033 dout(10) << __func__
<< " " << pwop
->soid
<< dendl
;
3034 pwop
->canceled
= true;
3036 // cancel objecter op, if we can
3037 if (pwop
->objecter_tid
) {
3038 osd
->objecter
->op_cancel(pwop
->objecter_tid
, -ECANCELED
);
3041 proxywrite_ops
.erase(pwop
->objecter_tid
);
3042 pwop
->objecter_tid
= 0;
3046 class PromoteCallback
: public PrimaryLogPG::CopyCallback
{
3047 ObjectContextRef obc
;
3051 PromoteCallback(ObjectContextRef obc_
, PrimaryLogPG
*pg_
)
3054 start(ceph_clock_now()) {}
3056 void finish(PrimaryLogPG::CopyCallbackResults results
) override
{
3057 PrimaryLogPG::CopyResults
*results_data
= results
.get
<1>();
3058 int r
= results
.get
<0>();
3059 pg
->finish_promote(r
, results_data
, obc
);
3060 pg
->osd
->logger
->tinc(l_osd_tier_promote_lat
, ceph_clock_now() - start
);
3064 void PrimaryLogPG::promote_object(ObjectContextRef obc
,
3065 const hobject_t
& missing_oid
,
3066 const object_locator_t
& oloc
,
3068 ObjectContextRef
*promote_obc
)
3070 hobject_t hoid
= obc
? obc
->obs
.oi
.soid
: missing_oid
;
3071 assert(hoid
!= hobject_t());
3072 if (scrubber
.write_blocked_by_scrub(hoid
)) {
3073 dout(10) << __func__
<< " " << hoid
3074 << " blocked by scrub" << dendl
;
3076 waiting_for_scrub
.push_back(op
);
3077 op
->mark_delayed("waiting for scrub");
3078 dout(10) << __func__
<< " " << hoid
3079 << " placing op in waiting_for_scrub" << dendl
;
3081 dout(10) << __func__
<< " " << hoid
3082 << " no op, dropping on the floor" << dendl
;
3086 if (!obc
) { // we need to create an ObjectContext
3087 assert(missing_oid
!= hobject_t());
3088 obc
= get_object_context(missing_oid
, true);
3094 * Before promote complete, if there are proxy-reads for the object,
3095 * for this case we don't use DONTNEED.
3097 unsigned src_fadvise_flags
= LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL
;
3098 map
<hobject_t
, list
<OpRequestRef
>>::iterator q
= in_progress_proxy_ops
.find(obc
->obs
.oi
.soid
);
3099 if (q
== in_progress_proxy_ops
.end()) {
3100 src_fadvise_flags
|= LIBRADOS_OP_FLAG_FADVISE_DONTNEED
;
3103 PromoteCallback
*cb
= new PromoteCallback(obc
, this);
3104 object_locator_t my_oloc
= oloc
;
3105 my_oloc
.pool
= pool
.info
.tier_of
;
3107 unsigned flags
= CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
|
3108 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
|
3109 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
|
3110 CEPH_OSD_COPY_FROM_FLAG_RWORDERED
;
3111 start_copy(cb
, obc
, obc
->obs
.oi
.soid
, my_oloc
, 0, flags
,
3112 obc
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
,
3113 src_fadvise_flags
, 0);
3115 assert(obc
->is_blocked());
3118 wait_for_blocked_object(obc
->obs
.oi
.soid
, op
);
3119 info
.stats
.stats
.sum
.num_promote
++;
3122 void PrimaryLogPG::execute_ctx(OpContext
*ctx
)
3125 dout(10) << __func__
<< " " << ctx
<< dendl
;
3126 ctx
->reset_obs(ctx
->obc
);
3127 ctx
->update_log_only
= false; // reset in case finish_copyfrom() is re-running execute_ctx
3128 OpRequestRef op
= ctx
->op
;
3129 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
3130 ObjectContextRef obc
= ctx
->obc
;
3131 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
3133 // this method must be idempotent since we may call it several times
3134 // before we finally apply the resulting transaction.
3135 ctx
->op_t
.reset(new PGTransaction
);
3137 if (op
->may_write() || op
->may_cache()) {
3139 if (!(m
->has_flag(CEPH_OSD_FLAG_ENFORCE_SNAPC
)) &&
3140 pool
.info
.is_pool_snaps_mode()) {
3142 ctx
->snapc
= pool
.snapc
;
3144 // client specified snapc
3145 ctx
->snapc
.seq
= m
->get_snap_seq();
3146 ctx
->snapc
.snaps
= m
->get_snaps();
3147 filter_snapc(ctx
->snapc
.snaps
);
3149 if ((m
->has_flag(CEPH_OSD_FLAG_ORDERSNAP
)) &&
3150 ctx
->snapc
.seq
< obc
->ssc
->snapset
.seq
) {
3151 dout(10) << " ORDERSNAP flag set and snapc seq " << ctx
->snapc
.seq
3152 << " < snapset seq " << obc
->ssc
->snapset
.seq
3153 << " on " << obc
->obs
.oi
.soid
<< dendl
;
3154 reply_ctx(ctx
, -EOLDSNAPC
);
3159 ctx
->at_version
= get_next_version();
3160 ctx
->mtime
= m
->get_mtime();
3162 dout(10) << __func__
<< " " << soid
<< " " << ctx
->ops
3163 << " ov " << obc
->obs
.oi
.version
<< " av " << ctx
->at_version
3164 << " snapc " << ctx
->snapc
3165 << " snapset " << obc
->ssc
->snapset
3168 dout(10) << __func__
<< " " << soid
<< " " << ctx
->ops
3169 << " ov " << obc
->obs
.oi
.version
3173 if (!ctx
->user_at_version
)
3174 ctx
->user_at_version
= obc
->obs
.oi
.user_version
;
3175 dout(30) << __func__
<< " user_at_version " << ctx
->user_at_version
<< dendl
;
3177 if (op
->may_read()) {
3178 dout(10) << " taking ondisk_read_lock" << dendl
;
3179 obc
->ondisk_read_lock();
3184 osd_reqid_t reqid
= ctx
->op
->get_reqid();
3186 tracepoint(osd
, prepare_tx_enter
, reqid
.name
._type
,
3187 reqid
.name
._num
, reqid
.tid
, reqid
.inc
);
3190 int result
= prepare_transaction(ctx
);
3194 osd_reqid_t reqid
= ctx
->op
->get_reqid();
3196 tracepoint(osd
, prepare_tx_exit
, reqid
.name
._type
,
3197 reqid
.name
._num
, reqid
.tid
, reqid
.inc
);
3200 if (op
->may_read()) {
3201 dout(10) << " dropping ondisk_read_lock" << dendl
;
3202 obc
->ondisk_read_unlock();
3205 if (result
== -EINPROGRESS
) {
3210 if (result
== -EAGAIN
) {
3211 // clean up after the ctx
3216 bool successful_write
= !ctx
->op_t
->empty() && op
->may_write() && result
>= 0;
3217 // prepare the reply
3218 ctx
->reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0,
3221 // Write operations aren't allowed to return a data payload because
3222 // we can't do so reliably. If the client has to resend the request
3223 // and it has already been applied, we will return 0 with no
3224 // payload. Non-deterministic behavior is no good. However, it is
3225 // possible to construct an operation that does a read, does a guard
3226 // check (e.g., CMPXATTR), and then a write. Then we either succeed
3227 // with the write, or return a CMPXATTR and the read value.
3228 if (successful_write
) {
3229 // write. normalize the result code.
3230 dout(20) << " zeroing write result code " << result
<< dendl
;
3233 ctx
->reply
->set_result(result
);
3236 if ((ctx
->op_t
->empty() || result
< 0) && !ctx
->update_log_only
) {
3237 // finish side-effects
3239 do_osd_op_effects(ctx
, m
->get_connection());
3241 if (ctx
->pending_async_reads
.empty()) {
3242 complete_read_ctx(result
, ctx
);
3244 in_progress_async_reads
.push_back(make_pair(op
, ctx
));
3245 ctx
->start_async_reads(this);
3251 ctx
->reply
->set_reply_versions(ctx
->at_version
, ctx
->user_at_version
);
3253 assert(op
->may_write() || op
->may_cache());
3258 // verify that we are doing this in order?
3259 if (cct
->_conf
->osd_debug_op_order
&& m
->get_source().is_client() &&
3260 !pool
.info
.is_tier() && !pool
.info
.has_tiers()) {
3261 map
<client_t
,ceph_tid_t
>& cm
= debug_op_order
[obc
->obs
.oi
.soid
];
3262 ceph_tid_t t
= m
->get_tid();
3263 client_t n
= m
->get_source().num();
3264 map
<client_t
,ceph_tid_t
>::iterator p
= cm
.find(n
);
3265 if (p
== cm
.end()) {
3266 dout(20) << " op order client." << n
<< " tid " << t
<< " (first)" << dendl
;
3269 dout(20) << " op order client." << n
<< " tid " << t
<< " last was " << p
->second
<< dendl
;
3270 if (p
->second
> t
) {
3271 derr
<< "bad op order, already applied " << p
->second
<< " > this " << t
<< dendl
;
3272 assert(0 == "out of order op");
3278 if (ctx
->update_log_only
) {
3280 do_osd_op_effects(ctx
, m
->get_connection());
3282 dout(20) << __func__
<< " update_log_only -- result=" << result
<< dendl
;
3283 // save just what we need from ctx
3284 MOSDOpReply
*reply
= ctx
->reply
;
3285 ctx
->reply
= nullptr;
3286 reply
->claim_op_out_data(ctx
->ops
);
3287 reply
->get_header().data_off
= ctx
->data_off
;
3290 if (result
== -ENOENT
) {
3291 reply
->set_enoent_reply_versions(info
.last_update
,
3292 info
.last_user_version
);
3294 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3295 // append to pg log for dup detection - don't save buffers for now
3296 record_write_error(op
, soid
, reply
, result
);
3300 // no need to capture PG ref, repop cancel will handle that
3301 // Can capture the ctx by pointer, it's owned by the repop
3302 ctx
->register_on_commit(
3308 if (m
&& !ctx
->sent_reply
) {
3309 MOSDOpReply
*reply
= ctx
->reply
;
3311 ctx
->reply
= nullptr;
3313 reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, true);
3314 reply
->set_reply_versions(ctx
->at_version
,
3315 ctx
->user_at_version
);
3317 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
3318 dout(10) << " sending reply on " << *m
<< " " << reply
<< dendl
;
3319 osd
->send_message_osd_client(reply
, m
->get_connection());
3320 ctx
->sent_reply
= true;
3321 ctx
->op
->mark_commit_sent();
3324 ctx
->register_on_success(
3328 ctx
->op
? ctx
->op
->get_req()->get_connection() :
3331 ctx
->register_on_finish(
3336 // issue replica writes
3337 ceph_tid_t rep_tid
= osd
->get_tid();
3339 RepGather
*repop
= new_repop(ctx
, obc
, rep_tid
);
3341 issue_repop(repop
, ctx
);
3346 void PrimaryLogPG::reply_ctx(OpContext
*ctx
, int r
)
3349 osd
->reply_op_error(ctx
->op
, r
);
3353 void PrimaryLogPG::reply_ctx(OpContext
*ctx
, int r
, eversion_t v
, version_t uv
)
3356 osd
->reply_op_error(ctx
->op
, r
, v
, uv
);
3360 void PrimaryLogPG::log_op_stats(OpContext
*ctx
)
3362 OpRequestRef op
= ctx
->op
;
3363 const MOSDOp
*m
= static_cast<const MOSDOp
*>(op
->get_req());
3365 utime_t now
= ceph_clock_now();
3366 utime_t latency
= now
;
3367 latency
-= ctx
->op
->get_req()->get_recv_stamp();
3368 utime_t process_latency
= now
;
3369 process_latency
-= ctx
->op
->get_dequeued_time();
3371 uint64_t inb
= ctx
->bytes_written
;
3372 uint64_t outb
= ctx
->bytes_read
;
3374 osd
->logger
->inc(l_osd_op
);
3376 osd
->logger
->inc(l_osd_op_outb
, outb
);
3377 osd
->logger
->inc(l_osd_op_inb
, inb
);
3378 osd
->logger
->tinc(l_osd_op_lat
, latency
);
3379 osd
->logger
->tinc(l_osd_op_process_lat
, process_latency
);
3381 if (op
->may_read() && op
->may_write()) {
3382 osd
->logger
->inc(l_osd_op_rw
);
3383 osd
->logger
->inc(l_osd_op_rw_inb
, inb
);
3384 osd
->logger
->inc(l_osd_op_rw_outb
, outb
);
3385 osd
->logger
->tinc(l_osd_op_rw_lat
, latency
);
3386 osd
->logger
->hinc(l_osd_op_rw_lat_inb_hist
, latency
.to_nsec(), inb
);
3387 osd
->logger
->hinc(l_osd_op_rw_lat_outb_hist
, latency
.to_nsec(), outb
);
3388 osd
->logger
->tinc(l_osd_op_rw_process_lat
, process_latency
);
3389 } else if (op
->may_read()) {
3390 osd
->logger
->inc(l_osd_op_r
);
3391 osd
->logger
->inc(l_osd_op_r_outb
, outb
);
3392 osd
->logger
->tinc(l_osd_op_r_lat
, latency
);
3393 osd
->logger
->hinc(l_osd_op_r_lat_outb_hist
, latency
.to_nsec(), outb
);
3394 osd
->logger
->tinc(l_osd_op_r_process_lat
, process_latency
);
3395 } else if (op
->may_write() || op
->may_cache()) {
3396 osd
->logger
->inc(l_osd_op_w
);
3397 osd
->logger
->inc(l_osd_op_w_inb
, inb
);
3398 osd
->logger
->tinc(l_osd_op_w_lat
, latency
);
3399 osd
->logger
->hinc(l_osd_op_w_lat_inb_hist
, latency
.to_nsec(), inb
);
3400 osd
->logger
->tinc(l_osd_op_w_process_lat
, process_latency
);
3404 dout(15) << "log_op_stats " << *m
3407 << " lat " << latency
<< dendl
;
3410 void PrimaryLogPG::do_sub_op(OpRequestRef op
)
3412 const MOSDSubOp
*m
= static_cast<const MOSDSubOp
*>(op
->get_req());
3413 assert(have_same_or_newer_map(m
->map_epoch
));
3414 assert(m
->get_type() == MSG_OSD_SUBOP
);
3415 dout(15) << "do_sub_op " << *op
->get_req() << dendl
;
3418 waiting_for_peered
.push_back(op
);
3419 op
->mark_delayed("waiting for active");
3423 const OSDOp
*first
= NULL
;
3424 if (m
->ops
.size() >= 1) {
3429 switch (first
->op
.op
) {
3430 case CEPH_OSD_OP_DELETE
:
3433 case CEPH_OSD_OP_SCRUB_RESERVE
:
3434 handle_scrub_reserve_request(op
);
3436 case CEPH_OSD_OP_SCRUB_UNRESERVE
:
3437 handle_scrub_reserve_release(op
);
3439 case CEPH_OSD_OP_SCRUB_MAP
:
3440 sub_op_scrub_map(op
);
3446 void PrimaryLogPG::do_sub_op_reply(OpRequestRef op
)
3448 const MOSDSubOpReply
*r
= static_cast<const MOSDSubOpReply
*>(op
->get_req());
3449 assert(r
->get_type() == MSG_OSD_SUBOPREPLY
);
3450 if (r
->ops
.size() >= 1) {
3451 const OSDOp
& first
= r
->ops
[0];
3452 switch (first
.op
.op
) {
3453 case CEPH_OSD_OP_SCRUB_RESERVE
:
3455 pg_shard_t from
= r
->from
;
3456 bufferlist::iterator p
= const_cast<bufferlist
&>(r
->get_data()).begin();
3458 ::decode(reserved
, p
);
3460 handle_scrub_reserve_grant(op
, from
);
3462 handle_scrub_reserve_reject(op
, from
);
3470 void PrimaryLogPG::do_scan(
3472 ThreadPool::TPHandle
&handle
)
3474 const MOSDPGScan
*m
= static_cast<const MOSDPGScan
*>(op
->get_req());
3475 assert(m
->get_type() == MSG_OSD_PG_SCAN
);
3476 dout(10) << "do_scan " << *m
<< dendl
;
3481 case MOSDPGScan::OP_SCAN_GET_DIGEST
:
3484 if (osd
->check_backfill_full(ss
)) {
3485 dout(1) << __func__
<< ": Canceling backfill, " << ss
.str() << dendl
;
3486 queue_peering_event(
3488 std::make_shared
<CephPeeringEvt
>(
3489 get_osdmap()->get_epoch(),
3490 get_osdmap()->get_epoch(),
3491 BackfillTooFull())));
3495 BackfillInterval bi
;
3496 bi
.begin
= m
->begin
;
3497 // No need to flush, there won't be any in progress writes occuring
3500 cct
->_conf
->osd_backfill_scan_min
,
3501 cct
->_conf
->osd_backfill_scan_max
,
3504 MOSDPGScan
*reply
= new MOSDPGScan(
3505 MOSDPGScan::OP_SCAN_DIGEST
,
3507 get_osdmap()->get_epoch(), m
->query_epoch
,
3508 spg_t(info
.pgid
.pgid
, get_primary().shard
), bi
.begin
, bi
.end
);
3509 ::encode(bi
.objects
, reply
->get_data());
3510 osd
->send_message_osd_cluster(reply
, m
->get_connection());
3514 case MOSDPGScan::OP_SCAN_DIGEST
:
3516 pg_shard_t from
= m
->from
;
3518 // Check that from is in backfill_targets vector
3519 assert(is_backfill_targets(from
));
3521 BackfillInterval
& bi
= peer_backfill_info
[from
];
3522 bi
.begin
= m
->begin
;
3524 bufferlist::iterator p
= const_cast<bufferlist
&>(m
->get_data()).begin();
3526 // take care to preserve ordering!
3528 ::decode_noclear(bi
.objects
, p
);
3530 if (waiting_on_backfill
.erase(from
)) {
3531 if (waiting_on_backfill
.empty()) {
3532 assert(peer_backfill_info
.size() == backfill_targets
.size());
3533 finish_recovery_op(hobject_t::get_max());
3536 // we canceled backfill for a while due to a too full, and this
3537 // is an extra response from a non-too-full peer
3544 void PrimaryLogPG::do_backfill(OpRequestRef op
)
3546 const MOSDPGBackfill
*m
= static_cast<const MOSDPGBackfill
*>(op
->get_req());
3547 assert(m
->get_type() == MSG_OSD_PG_BACKFILL
);
3548 dout(10) << "do_backfill " << *m
<< dendl
;
3553 case MOSDPGBackfill::OP_BACKFILL_FINISH
:
3555 assert(cct
->_conf
->osd_kill_backfill_at
!= 1);
3557 MOSDPGBackfill
*reply
= new MOSDPGBackfill(
3558 MOSDPGBackfill::OP_BACKFILL_FINISH_ACK
,
3559 get_osdmap()->get_epoch(),
3561 spg_t(info
.pgid
.pgid
, get_primary().shard
));
3562 reply
->set_priority(get_recovery_op_priority());
3563 osd
->send_message_osd_cluster(reply
, m
->get_connection());
3564 queue_peering_event(
3566 std::make_shared
<CephPeeringEvt
>(
3567 get_osdmap()->get_epoch(),
3568 get_osdmap()->get_epoch(),
3573 case MOSDPGBackfill::OP_BACKFILL_PROGRESS
:
3575 assert(cct
->_conf
->osd_kill_backfill_at
!= 2);
3577 info
.set_last_backfill(m
->last_backfill
);
3578 info
.stats
= m
->stats
;
3580 ObjectStore::Transaction t
;
3583 int tr
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
3588 case MOSDPGBackfill::OP_BACKFILL_FINISH_ACK
:
3590 assert(is_primary());
3591 assert(cct
->_conf
->osd_kill_backfill_at
!= 3);
3592 finish_recovery_op(hobject_t::get_max());
3598 void PrimaryLogPG::do_backfill_remove(OpRequestRef op
)
3600 const MOSDPGBackfillRemove
*m
= static_cast<const MOSDPGBackfillRemove
*>(
3602 assert(m
->get_type() == MSG_OSD_PG_BACKFILL_REMOVE
);
3603 dout(7) << __func__
<< " " << m
->ls
<< dendl
;
3607 ObjectStore::Transaction t
;
3608 for (auto& p
: m
->ls
) {
3609 remove_snap_mapped_object(t
, p
.first
);
3611 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
3615 PrimaryLogPG::OpContextUPtr
PrimaryLogPG::trim_object(
3616 bool first
, const hobject_t
&coid
)
3620 ObjectContextRef obc
= get_object_context(coid
, false, NULL
);
3622 derr
<< __func__
<< " could not find coid " << coid
<< dendl
;
3628 coid
.oid
, coid
.get_key(),
3629 obc
->ssc
->snapset
.head_exists
? CEPH_NOSNAP
:CEPH_SNAPDIR
, coid
.get_hash(),
3630 info
.pgid
.pool(), coid
.get_namespace());
3631 ObjectContextRef snapset_obc
= get_object_context(snapoid
, false);
3632 assert(snapset_obc
);
3634 SnapSet
& snapset
= obc
->ssc
->snapset
;
3636 bool legacy
= snapset
.is_legacy() ||
3637 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
3639 object_info_t
&coi
= obc
->obs
.oi
;
3640 set
<snapid_t
> old_snaps
;
3642 old_snaps
.insert(coi
.legacy_snaps
.begin(), coi
.legacy_snaps
.end());
3644 auto p
= snapset
.clone_snaps
.find(coid
.snap
);
3645 if (p
== snapset
.clone_snaps
.end()) {
3646 osd
->clog
->error() << __func__
<< " No clone_snaps in snapset " << snapset
3647 << " for " << coid
<< "\n";
3650 old_snaps
.insert(snapset
.clone_snaps
[coid
.snap
].begin(),
3651 snapset
.clone_snaps
[coid
.snap
].end());
3653 if (old_snaps
.empty()) {
3654 osd
->clog
->error() << __func__
<< " No object info snaps for " << coid
;
3658 dout(10) << coid
<< " old_snaps " << old_snaps
3659 << " old snapset " << snapset
<< dendl
;
3660 if (snapset
.seq
== 0) {
3661 osd
->clog
->error() << __func__
<< " No snapset.seq for " << coid
;
3665 set
<snapid_t
> new_snaps
;
3666 for (set
<snapid_t
>::iterator i
= old_snaps
.begin();
3667 i
!= old_snaps
.end();
3669 if (!pool
.info
.is_removed_snap(*i
))
3670 new_snaps
.insert(*i
);
3673 vector
<snapid_t
>::iterator p
= snapset
.clones
.end();
3675 if (new_snaps
.empty()) {
3676 p
= std::find(snapset
.clones
.begin(), snapset
.clones
.end(), coid
.snap
);
3677 if (p
== snapset
.clones
.end()) {
3678 osd
->clog
->error() << __func__
<< " Snap " << coid
.snap
<< " not in clones";
3683 OpContextUPtr ctx
= simple_opc_create(obc
);
3684 ctx
->snapset_obc
= snapset_obc
;
3686 if (!ctx
->lock_manager
.get_snaptrimmer_write(
3690 close_op_ctx(ctx
.release());
3691 dout(10) << __func__
<< ": Unable to get a wlock on " << coid
<< dendl
;
3695 if (!ctx
->lock_manager
.get_snaptrimmer_write(
3699 close_op_ctx(ctx
.release());
3700 dout(10) << __func__
<< ": Unable to get a wlock on " << snapoid
<< dendl
;
3704 ctx
->at_version
= get_next_version();
3706 PGTransaction
*t
= ctx
->op_t
.get();
3708 if (new_snaps
.empty()) {
3710 dout(10) << coid
<< " snaps " << old_snaps
<< " -> "
3711 << new_snaps
<< " ... deleting" << dendl
;
3714 assert(p
!= snapset
.clones
.end());
3716 snapid_t last
= coid
.snap
;
3717 ctx
->delta_stats
.num_bytes
-= snapset
.get_clone_bytes(last
);
3719 if (p
!= snapset
.clones
.begin()) {
3720 // not the oldest... merge overlap into next older clone
3721 vector
<snapid_t
>::iterator n
= p
- 1;
3722 hobject_t prev_coid
= coid
;
3723 prev_coid
.snap
= *n
;
3724 bool adjust_prev_bytes
= is_present_clone(prev_coid
);
3726 if (adjust_prev_bytes
)
3727 ctx
->delta_stats
.num_bytes
-= snapset
.get_clone_bytes(*n
);
3729 snapset
.clone_overlap
[*n
].intersection_of(
3730 snapset
.clone_overlap
[*p
]);
3732 if (adjust_prev_bytes
)
3733 ctx
->delta_stats
.num_bytes
+= snapset
.get_clone_bytes(*n
);
3735 ctx
->delta_stats
.num_objects
--;
3737 ctx
->delta_stats
.num_objects_dirty
--;
3739 ctx
->delta_stats
.num_objects_omap
--;
3740 if (coi
.is_whiteout()) {
3741 dout(20) << __func__
<< " trimming whiteout on " << coid
<< dendl
;
3742 ctx
->delta_stats
.num_whiteouts
--;
3744 ctx
->delta_stats
.num_object_clones
--;
3745 if (coi
.is_cache_pinned())
3746 ctx
->delta_stats
.num_objects_pinned
--;
3747 obc
->obs
.exists
= false;
3749 snapset
.clones
.erase(p
);
3750 snapset
.clone_overlap
.erase(last
);
3751 snapset
.clone_size
.erase(last
);
3752 snapset
.clone_snaps
.erase(last
);
3756 pg_log_entry_t::DELETE
,
3759 ctx
->obs
->oi
.version
,
3771 coi
= object_info_t(coid
);
3773 ctx
->at_version
.version
++;
3775 // save adjusted snaps for this object
3776 dout(10) << coid
<< " snaps " << old_snaps
<< " -> " << new_snaps
<< dendl
;
3778 coi
.legacy_snaps
= vector
<snapid_t
>(new_snaps
.rbegin(), new_snaps
.rend());
3780 snapset
.clone_snaps
[coid
.snap
] = vector
<snapid_t
>(new_snaps
.rbegin(),
3782 // we still do a 'modify' event on this object just to trigger a
3783 // snapmapper.update ... :(
3786 coi
.prior_version
= coi
.version
;
3787 coi
.version
= ctx
->at_version
;
3789 ::encode(coi
, bl
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
3790 t
->setattr(coid
, OI_ATTR
, bl
);
3794 pg_log_entry_t::MODIFY
,
3803 ctx
->at_version
.version
++;
3811 // save head snapset
3812 dout(10) << coid
<< " new snapset " << snapset
<< " on "
3813 << snapset_obc
->obs
.oi
<< dendl
;
3814 if (snapset
.clones
.empty() &&
3815 (!snapset
.head_exists
||
3816 (snapset_obc
->obs
.oi
.is_whiteout() &&
3817 !(snapset_obc
->obs
.oi
.is_dirty() && pool
.info
.is_tier()) &&
3818 !snapset_obc
->obs
.oi
.is_cache_pinned()))) {
3819 // NOTE: this arguably constitutes minor interference with the
3820 // tiering agent if this is a cache tier since a snap trim event
3821 // is effectively evicting a whiteout we might otherwise want to
3823 dout(10) << coid
<< " removing " << snapoid
<< dendl
;
3826 pg_log_entry_t::DELETE
,
3829 ctx
->snapset_obc
->obs
.oi
.version
,
3835 if (snapoid
.is_head()) {
3836 derr
<< "removing snap head" << dendl
;
3837 object_info_t
& oi
= ctx
->snapset_obc
->obs
.oi
;
3838 ctx
->delta_stats
.num_objects
--;
3839 if (oi
.is_dirty()) {
3840 ctx
->delta_stats
.num_objects_dirty
--;
3843 ctx
->delta_stats
.num_objects_omap
--;
3844 if (oi
.is_whiteout()) {
3845 dout(20) << __func__
<< " trimming whiteout on " << oi
.soid
<< dendl
;
3846 ctx
->delta_stats
.num_whiteouts
--;
3848 if (oi
.is_cache_pinned()) {
3849 ctx
->delta_stats
.num_objects_pinned
--;
3852 ctx
->snapset_obc
->obs
.exists
= false;
3853 ctx
->snapset_obc
->obs
.oi
= object_info_t(snapoid
);
3856 dout(10) << coid
<< " filtering snapset on " << snapoid
<< dendl
;
3857 snapset
.filter(pool
.info
);
3858 dout(10) << coid
<< " writing updated snapset on " << snapoid
3859 << ", snapset is " << snapset
<< dendl
;
3862 pg_log_entry_t::MODIFY
,
3865 ctx
->snapset_obc
->obs
.oi
.version
,
3872 ctx
->snapset_obc
->obs
.oi
.prior_version
=
3873 ctx
->snapset_obc
->obs
.oi
.version
;
3874 ctx
->snapset_obc
->obs
.oi
.version
= ctx
->at_version
;
3876 map
<string
, bufferlist
> attrs
;
3878 ::encode(snapset
, bl
);
3879 attrs
[SS_ATTR
].claim(bl
);
3882 ::encode(ctx
->snapset_obc
->obs
.oi
, bl
,
3883 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
3884 attrs
[OI_ATTR
].claim(bl
);
3885 t
->setattrs(snapoid
, attrs
);
3891 void PrimaryLogPG::kick_snap_trim()
3893 assert(is_active());
3894 assert(is_primary());
3895 if (is_clean() && !snap_trimq
.empty()) {
3896 dout(10) << __func__
<< ": clean and snaps to trim, kicking" << dendl
;
3897 snap_trimmer_machine
.process_event(KickTrim());
3901 void PrimaryLogPG::snap_trimmer_scrub_complete()
3903 if (is_primary() && is_active() && is_clean()) {
3904 assert(!snap_trimq
.empty());
3905 snap_trimmer_machine
.process_event(ScrubComplete());
3909 void PrimaryLogPG::snap_trimmer(epoch_t queued
)
3911 if (deleting
|| pg_has_reset_since(queued
)) {
3915 assert(is_primary());
3917 dout(10) << "snap_trimmer posting" << dendl
;
3918 snap_trimmer_machine
.process_event(DoSnapWork());
3919 dout(10) << "snap_trimmer complete" << dendl
;
3923 int PrimaryLogPG::do_xattr_cmp_u64(int op
, __u64 v1
, bufferlist
& xattr
)
3927 string
v2s(xattr
.c_str(), xattr
.length());
3929 v2
= strtoull(v2s
.c_str(), NULL
, 10);
3933 dout(20) << "do_xattr_cmp_u64 '" << v1
<< "' vs '" << v2
<< "' op " << op
<< dendl
;
3936 case CEPH_OSD_CMPXATTR_OP_EQ
:
3938 case CEPH_OSD_CMPXATTR_OP_NE
:
3940 case CEPH_OSD_CMPXATTR_OP_GT
:
3942 case CEPH_OSD_CMPXATTR_OP_GTE
:
3944 case CEPH_OSD_CMPXATTR_OP_LT
:
3946 case CEPH_OSD_CMPXATTR_OP_LTE
:
3953 int PrimaryLogPG::do_xattr_cmp_str(int op
, string
& v1s
, bufferlist
& xattr
)
3955 string
v2s(xattr
.c_str(), xattr
.length());
3957 dout(20) << "do_xattr_cmp_str '" << v1s
<< "' vs '" << v2s
<< "' op " << op
<< dendl
;
3960 case CEPH_OSD_CMPXATTR_OP_EQ
:
3961 return (v1s
.compare(v2s
) == 0);
3962 case CEPH_OSD_CMPXATTR_OP_NE
:
3963 return (v1s
.compare(v2s
) != 0);
3964 case CEPH_OSD_CMPXATTR_OP_GT
:
3965 return (v1s
.compare(v2s
) > 0);
3966 case CEPH_OSD_CMPXATTR_OP_GTE
:
3967 return (v1s
.compare(v2s
) >= 0);
3968 case CEPH_OSD_CMPXATTR_OP_LT
:
3969 return (v1s
.compare(v2s
) < 0);
3970 case CEPH_OSD_CMPXATTR_OP_LTE
:
3971 return (v1s
.compare(v2s
) <= 0);
3977 int PrimaryLogPG::do_extent_cmp(OpContext
*ctx
, OSDOp
& osd_op
)
3979 ceph_osd_op
& op
= osd_op
.op
;
3980 vector
<OSDOp
> read_ops(1);
3981 OSDOp
& read_op
= read_ops
[0];
3984 read_op
.op
.op
= CEPH_OSD_OP_SYNC_READ
;
3985 read_op
.op
.extent
.offset
= op
.extent
.offset
;
3986 read_op
.op
.extent
.length
= op
.extent
.length
;
3987 read_op
.op
.extent
.truncate_seq
= op
.extent
.truncate_seq
;
3988 read_op
.op
.extent
.truncate_size
= op
.extent
.truncate_size
;
3990 result
= do_osd_ops(ctx
, read_ops
);
3992 derr
<< "do_extent_cmp do_osd_ops failed " << result
<< dendl
;
3996 if (read_op
.outdata
.length() != osd_op
.indata
.length())
3999 for (uint64_t p
= 0; p
< osd_op
.indata
.length(); p
++) {
4000 if (read_op
.outdata
[p
] != osd_op
.indata
[p
]) {
4001 return (-MAX_ERRNO
- p
);
4008 int PrimaryLogPG::do_writesame(OpContext
*ctx
, OSDOp
& osd_op
)
4010 ceph_osd_op
& op
= osd_op
.op
;
4011 vector
<OSDOp
> write_ops(1);
4012 OSDOp
& write_op
= write_ops
[0];
4013 uint64_t write_length
= op
.writesame
.length
;
4019 if (!op
.writesame
.data_length
|| write_length
% op
.writesame
.data_length
)
4022 if (op
.writesame
.data_length
!= osd_op
.indata
.length()) {
4023 derr
<< "invalid length ws data length " << op
.writesame
.data_length
<< " actual len " << osd_op
.indata
.length() << dendl
;
4027 while (write_length
) {
4028 write_op
.indata
.append(osd_op
.indata
);
4029 write_length
-= op
.writesame
.data_length
;
4032 write_op
.op
.op
= CEPH_OSD_OP_WRITE
;
4033 write_op
.op
.extent
.offset
= op
.writesame
.offset
;
4034 write_op
.op
.extent
.length
= op
.writesame
.length
;
4035 result
= do_osd_ops(ctx
, write_ops
);
4037 derr
<< "do_writesame do_osd_ops failed " << result
<< dendl
;
4042 // ========================================================================
4043 // low level osd ops
4045 int PrimaryLogPG::do_tmap2omap(OpContext
*ctx
, unsigned flags
)
4047 dout(20) << " convert tmap to omap for " << ctx
->new_obs
.oi
.soid
<< dendl
;
4048 bufferlist header
, vals
;
4049 int r
= _get_tmap(ctx
, &header
, &vals
);
4051 if (r
== -ENODATA
&& (flags
& CEPH_OSD_TMAP2OMAP_NULLOK
))
4056 vector
<OSDOp
> ops(3);
4058 ops
[0].op
.op
= CEPH_OSD_OP_TRUNCATE
;
4059 ops
[0].op
.extent
.offset
= 0;
4060 ops
[0].op
.extent
.length
= 0;
4062 ops
[1].op
.op
= CEPH_OSD_OP_OMAPSETHEADER
;
4063 ops
[1].indata
.claim(header
);
4065 ops
[2].op
.op
= CEPH_OSD_OP_OMAPSETVALS
;
4066 ops
[2].indata
.claim(vals
);
4068 return do_osd_ops(ctx
, ops
);
4071 int PrimaryLogPG::do_tmapup_slow(OpContext
*ctx
, bufferlist::iterator
& bp
, OSDOp
& osd_op
,
4076 map
<string
, bufferlist
> m
;
4078 bufferlist::iterator p
= bl
.begin();
4079 ::decode(header
, p
);
4091 case CEPH_OSD_TMAP_SET
: // insert key
4099 case CEPH_OSD_TMAP_RM
: // remove key
4101 if (!m
.count(key
)) {
4106 case CEPH_OSD_TMAP_RMSLOPPY
: // remove key
4110 case CEPH_OSD_TMAP_HDR
: // update header
4112 ::decode(header
, bp
);
4122 ::encode(header
, obl
);
4126 vector
<OSDOp
> nops(1);
4127 OSDOp
& newop
= nops
[0];
4128 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
4129 newop
.op
.extent
.offset
= 0;
4130 newop
.op
.extent
.length
= obl
.length();
4132 do_osd_ops(ctx
, nops
);
4133 osd_op
.outdata
.claim(newop
.outdata
);
4137 int PrimaryLogPG::do_tmapup(OpContext
*ctx
, bufferlist::iterator
& bp
, OSDOp
& osd_op
)
4139 bufferlist::iterator orig_bp
= bp
;
4142 dout(10) << "tmapup is a no-op" << dendl
;
4144 // read the whole object
4145 vector
<OSDOp
> nops(1);
4146 OSDOp
& newop
= nops
[0];
4147 newop
.op
.op
= CEPH_OSD_OP_READ
;
4148 newop
.op
.extent
.offset
= 0;
4149 newop
.op
.extent
.length
= 0;
4150 result
= do_osd_ops(ctx
, nops
);
4152 dout(10) << "tmapup read " << newop
.outdata
.length() << dendl
;
4154 dout(30) << " starting is \n";
4155 newop
.outdata
.hexdump(*_dout
);
4158 bufferlist::iterator ip
= newop
.outdata
.begin();
4161 dout(30) << "the update command is: \n";
4162 osd_op
.indata
.hexdump(*_dout
);
4168 if (newop
.outdata
.length()) {
4169 ::decode(header
, ip
);
4170 ::decode(nkeys
, ip
);
4172 dout(10) << "tmapup header " << header
.length() << dendl
;
4174 if (!bp
.end() && *bp
== CEPH_OSD_TMAP_HDR
) {
4176 ::decode(header
, bp
);
4177 dout(10) << "tmapup new header " << header
.length() << dendl
;
4180 ::encode(header
, obl
);
4182 dout(20) << "tmapup initial nkeys " << nkeys
<< dendl
;
4185 bufferlist newkeydata
;
4186 string nextkey
, last_in_key
;
4188 bool have_next
= false;
4191 ::decode(nextkey
, ip
);
4192 ::decode(nextval
, ip
);
4194 while (!bp
.end() && !result
) {
4201 catch (buffer::error
& e
) {
4204 if (key
< last_in_key
) {
4205 dout(5) << "tmapup warning: key '" << key
<< "' < previous key '" << last_in_key
4206 << "', falling back to an inefficient (unsorted) update" << dendl
;
4208 return do_tmapup_slow(ctx
, bp
, osd_op
, newop
.outdata
);
4212 dout(10) << "tmapup op " << (int)op
<< " key " << key
<< dendl
;
4214 // skip existing intervening keys
4215 bool key_exists
= false;
4216 while (have_next
&& !key_exists
) {
4217 dout(20) << " (have_next=" << have_next
<< " nextkey=" << nextkey
<< ")" << dendl
;
4220 if (nextkey
< key
) {
4222 ::encode(nextkey
, newkeydata
);
4223 ::encode(nextval
, newkeydata
);
4224 dout(20) << " keep " << nextkey
<< " " << nextval
.length() << dendl
;
4226 // don't copy; discard old value. and stop.
4227 dout(20) << " drop " << nextkey
<< " " << nextval
.length() << dendl
;
4232 ::decode(nextkey
, ip
);
4233 ::decode(nextval
, ip
);
4239 if (op
== CEPH_OSD_TMAP_SET
) {
4244 catch (buffer::error
& e
) {
4247 ::encode(key
, newkeydata
);
4248 ::encode(val
, newkeydata
);
4249 dout(20) << " set " << key
<< " " << val
.length() << dendl
;
4251 } else if (op
== CEPH_OSD_TMAP_CREATE
) {
4259 catch (buffer::error
& e
) {
4262 ::encode(key
, newkeydata
);
4263 ::encode(val
, newkeydata
);
4264 dout(20) << " create " << key
<< " " << val
.length() << dendl
;
4266 } else if (op
== CEPH_OSD_TMAP_RM
) {
4271 } else if (op
== CEPH_OSD_TMAP_RMSLOPPY
) {
4274 dout(10) << " invalid tmap op " << (int)op
<< dendl
;
4281 ::encode(nextkey
, newkeydata
);
4282 ::encode(nextval
, newkeydata
);
4283 dout(20) << " keep " << nextkey
<< " " << nextval
.length() << dendl
;
4287 rest
.substr_of(newop
.outdata
, ip
.get_off(), newop
.outdata
.length() - ip
.get_off());
4288 dout(20) << " keep trailing " << rest
.length()
4289 << " at " << newkeydata
.length() << dendl
;
4290 newkeydata
.claim_append(rest
);
4293 // encode final key count + key data
4294 dout(20) << "tmapup final nkeys " << nkeys
<< dendl
;
4295 ::encode(nkeys
, obl
);
4296 obl
.claim_append(newkeydata
);
4299 dout(30) << " final is \n";
4300 obl
.hexdump(*_dout
);
4304 bufferlist::iterator tp
= obl
.begin();
4307 map
<string
,bufferlist
> d
;
4310 dout(0) << " **** debug sanity check, looks ok ****" << dendl
;
4315 dout(20) << "tmapput write " << obl
.length() << dendl
;
4316 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
4317 newop
.op
.extent
.offset
= 0;
4318 newop
.op
.extent
.length
= obl
.length();
4320 do_osd_ops(ctx
, nops
);
4321 osd_op
.outdata
.claim(newop
.outdata
);
4327 static int check_offset_and_length(uint64_t offset
, uint64_t length
, uint64_t max
)
4329 if (offset
>= max
||
4331 offset
+ length
> max
)
4337 struct FillInVerifyExtent
: public Context
{
4340 bufferlist
*outdatap
;
4341 boost::optional
<uint32_t> maybe_crc
;
4346 FillInVerifyExtent(ceph_le64
*r
, int32_t *rv
, bufferlist
*blp
,
4347 boost::optional
<uint32_t> mc
, uint64_t size
,
4348 OSDService
*osd
, hobject_t soid
, __le32 flags
) :
4349 r(r
), rval(rv
), outdatap(blp
), maybe_crc(mc
),
4350 size(size
), osd(osd
), soid(soid
), flags(flags
) {}
4351 void finish(int len
) override
{
4356 // whole object? can we verify the checksum?
4357 if (maybe_crc
&& *r
== size
) {
4358 uint32_t crc
= outdatap
->crc32c(-1);
4359 if (maybe_crc
!= crc
) {
4360 osd
->clog
->error() << std::hex
<< " full-object read crc 0x" << crc
4361 << " != expected 0x" << *maybe_crc
4362 << std::dec
<< " on " << soid
;
4363 if (!(flags
& CEPH_OSD_OP_FLAG_FAILOK
)) {
4372 struct ToSparseReadResult
: public Context
{
4373 bufferlist
& data_bl
;
4374 uint64_t data_offset
;
4376 ToSparseReadResult(bufferlist
& bl
, uint64_t offset
, ceph_le64
& len
):
4377 data_bl(bl
), data_offset(offset
),len(len
) {}
4378 void finish(int r
) override
{
4382 map
<uint64_t, uint64_t> extents
= {{data_offset
, r
}};
4383 ::encode(extents
, outdata
);
4384 ::encode_destructively(data_bl
, outdata
);
4385 data_bl
.swap(outdata
);
4389 template<typename V
>
4390 static string
list_keys(const map
<string
, V
>& m
) {
4392 for (typename map
<string
, V
>::const_iterator itr
= m
.begin(); itr
!= m
.end(); ++itr
) {
4396 s
.append(itr
->first
);
4401 template<typename T
>
4402 static string
list_entries(const T
& m
) {
4404 for (typename
T::const_iterator itr
= m
.begin(); itr
!= m
.end(); ++itr
) {
4413 void PrimaryLogPG::maybe_create_new_object(
4415 bool ignore_transaction
)
4417 ObjectState
& obs
= ctx
->new_obs
;
4419 ctx
->delta_stats
.num_objects
++;
4421 assert(!obs
.oi
.is_whiteout());
4422 obs
.oi
.new_object();
4423 if (!ignore_transaction
)
4424 ctx
->op_t
->create(obs
.oi
.soid
);
4425 } else if (obs
.oi
.is_whiteout()) {
4426 dout(10) << __func__
<< " clearing whiteout on " << obs
.oi
.soid
<< dendl
;
4427 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
4428 --ctx
->delta_stats
.num_whiteouts
;
4432 struct C_ChecksumRead
: public Context
{
4433 PrimaryLogPG
*primary_log_pg
;
4435 Checksummer::CSumType csum_type
;
4436 bufferlist init_value_bl
;
4437 ceph_le64 read_length
;
4439 Context
*fill_extent_ctx
;
4441 C_ChecksumRead(PrimaryLogPG
*primary_log_pg
, OSDOp
&osd_op
,
4442 Checksummer::CSumType csum_type
, bufferlist
&&init_value_bl
,
4443 boost::optional
<uint32_t> maybe_crc
, uint64_t size
,
4444 OSDService
*osd
, hobject_t soid
, __le32 flags
)
4445 : primary_log_pg(primary_log_pg
), osd_op(osd_op
),
4446 csum_type(csum_type
), init_value_bl(std::move(init_value_bl
)),
4447 fill_extent_ctx(new FillInVerifyExtent(&read_length
, &osd_op
.rval
,
4448 &read_bl
, maybe_crc
, size
,
4449 osd
, soid
, flags
)) {
4452 void finish(int r
) override
{
4453 fill_extent_ctx
->complete(r
);
4455 if (osd_op
.rval
>= 0) {
4456 bufferlist::iterator init_value_bl_it
= init_value_bl
.begin();
4457 osd_op
.rval
= primary_log_pg
->finish_checksum(osd_op
, csum_type
,
4464 int PrimaryLogPG::do_checksum(OpContext
*ctx
, OSDOp
& osd_op
,
4465 bufferlist::iterator
*bl_it
, bool *async_read
)
4467 dout(20) << __func__
<< dendl
;
4469 auto& op
= osd_op
.op
;
4470 if (op
.checksum
.chunk_size
> 0) {
4471 if (op
.checksum
.length
== 0) {
4472 dout(10) << __func__
<< ": length required when chunk size provided"
4476 if (op
.checksum
.length
% op
.checksum
.chunk_size
!= 0) {
4477 dout(10) << __func__
<< ": length not aligned to chunk size" << dendl
;
4482 auto& oi
= ctx
->new_obs
.oi
;
4483 if (op
.checksum
.offset
== 0 && op
.checksum
.length
== 0) {
4484 // zeroed offset+length implies checksum whole object
4485 op
.checksum
.length
= oi
.size
;
4486 } else if (op
.checksum
.offset
+ op
.checksum
.length
> oi
.size
) {
4490 Checksummer::CSumType csum_type
;
4491 switch (op
.checksum
.type
) {
4492 case CEPH_OSD_CHECKSUM_OP_TYPE_XXHASH32
:
4493 csum_type
= Checksummer::CSUM_XXHASH32
;
4495 case CEPH_OSD_CHECKSUM_OP_TYPE_XXHASH64
:
4496 csum_type
= Checksummer::CSUM_XXHASH64
;
4498 case CEPH_OSD_CHECKSUM_OP_TYPE_CRC32C
:
4499 csum_type
= Checksummer::CSUM_CRC32C
;
4502 dout(10) << __func__
<< ": unknown crc type ("
4503 << static_cast<uint32_t>(op
.checksum
.type
) << ")" << dendl
;
4507 size_t csum_init_value_size
= Checksummer::get_csum_init_value_size(csum_type
);
4508 if (bl_it
->get_remaining() < csum_init_value_size
) {
4509 dout(10) << __func__
<< ": init value not provided" << dendl
;
4513 bufferlist init_value_bl
;
4514 init_value_bl
.substr_of(bl_it
->get_bl(), bl_it
->get_off(),
4515 csum_init_value_size
);
4516 bl_it
->advance(csum_init_value_size
);
4518 if (pool
.info
.require_rollback() && op
.checksum
.length
> 0) {
4519 // If there is a data digest and it is possible we are reading
4520 // entire object, pass the digest.
4521 boost::optional
<uint32_t> maybe_crc
;
4522 if (oi
.is_data_digest() && op
.checksum
.offset
== 0 &&
4523 op
.checksum
.length
>= oi
.size
) {
4524 maybe_crc
= oi
.data_digest
;
4528 auto& soid
= oi
.soid
;
4529 auto checksum_ctx
= new C_ChecksumRead(this, osd_op
, csum_type
,
4530 std::move(init_value_bl
), maybe_crc
,
4531 oi
.size
, osd
, soid
, op
.flags
);
4532 ctx
->pending_async_reads
.push_back({
4533 {op
.checksum
.offset
, op
.checksum
.length
, op
.flags
},
4534 {&checksum_ctx
->read_bl
, checksum_ctx
}});
4536 dout(10) << __func__
<< ": async_read noted for " << soid
<< dendl
;
4542 *async_read
= false;
4543 std::vector
<OSDOp
> read_ops(1);
4544 auto& read_op
= read_ops
[0];
4545 if (op
.checksum
.length
> 0) {
4546 read_op
.op
.op
= CEPH_OSD_OP_READ
;
4547 read_op
.op
.flags
= op
.flags
;
4548 read_op
.op
.extent
.offset
= op
.checksum
.offset
;
4549 read_op
.op
.extent
.length
= op
.checksum
.length
;
4550 read_op
.op
.extent
.truncate_size
= 0;
4551 read_op
.op
.extent
.truncate_seq
= 0;
4553 int r
= do_osd_ops(ctx
, read_ops
);
4555 derr
<< __func__
<< ": do_osd_ops failed: " << cpp_strerror(r
) << dendl
;
4560 bufferlist::iterator init_value_bl_it
= init_value_bl
.begin();
4561 return finish_checksum(osd_op
, csum_type
, &init_value_bl_it
,
4565 int PrimaryLogPG::finish_checksum(OSDOp
& osd_op
,
4566 Checksummer::CSumType csum_type
,
4567 bufferlist::iterator
*init_value_bl_it
,
4568 const bufferlist
&read_bl
) {
4569 dout(20) << __func__
<< dendl
;
4571 auto& op
= osd_op
.op
;
4573 if (op
.checksum
.length
> 0 && read_bl
.length() != op
.checksum
.length
) {
4574 derr
<< __func__
<< ": bytes read " << read_bl
.length() << " != "
4575 << op
.checksum
.length
<< dendl
;
4579 size_t csum_chunk_size
= (op
.checksum
.chunk_size
!= 0 ?
4580 op
.checksum
.chunk_size
: read_bl
.length());
4581 uint32_t csum_count
= (csum_chunk_size
> 0 ?
4582 read_bl
.length() / csum_chunk_size
: 0);
4585 bufferptr csum_data
;
4586 if (csum_count
> 0) {
4587 size_t csum_value_size
= Checksummer::get_csum_value_size(csum_type
);
4588 csum_data
= buffer::create(csum_value_size
* csum_count
);
4590 csum
.append(csum_data
);
4592 switch (csum_type
) {
4593 case Checksummer::CSUM_XXHASH32
:
4595 Checksummer::xxhash32::init_value_t init_value
;
4596 ::decode(init_value
, *init_value_bl_it
);
4597 Checksummer::calculate
<Checksummer::xxhash32
>(
4598 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4602 case Checksummer::CSUM_XXHASH64
:
4604 Checksummer::xxhash64::init_value_t init_value
;
4605 ::decode(init_value
, *init_value_bl_it
);
4606 Checksummer::calculate
<Checksummer::xxhash64
>(
4607 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4611 case Checksummer::CSUM_CRC32C
:
4613 Checksummer::crc32c::init_value_t init_value
;
4614 ::decode(init_value
, *init_value_bl_it
);
4615 Checksummer::calculate
<Checksummer::crc32c
>(
4616 init_value
, csum_chunk_size
, 0, read_bl
.length(), read_bl
,
4625 ::encode(csum_count
, osd_op
.outdata
);
4626 osd_op
.outdata
.claim_append(csum
);
4630 int PrimaryLogPG::do_osd_ops(OpContext
*ctx
, vector
<OSDOp
>& ops
)
4633 SnapSetContext
*ssc
= ctx
->obc
->ssc
;
4634 ObjectState
& obs
= ctx
->new_obs
;
4635 object_info_t
& oi
= obs
.oi
;
4636 const hobject_t
& soid
= oi
.soid
;
4638 bool first_read
= true;
4640 PGTransaction
* t
= ctx
->op_t
.get();
4642 dout(10) << "do_osd_op " << soid
<< " " << ops
<< dendl
;
4644 for (vector
<OSDOp
>::iterator p
= ops
.begin(); p
!= ops
.end(); ++p
, ctx
->current_osd_subop_num
++) {
4646 ceph_osd_op
& op
= osd_op
.op
;
4648 // TODO: check endianness (__le32 vs uint32_t, etc.)
4649 // The fields in ceph_osd_op are little-endian (according to the definition in rados.h),
4650 // but the code in this function seems to treat them as native-endian. What should the
4652 tracepoint(osd
, do_osd_op_pre
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
), op
.flags
);
4654 dout(10) << "do_osd_op " << osd_op
<< dendl
;
4656 bufferlist::iterator bp
= osd_op
.indata
.begin();
4658 // user-visible modifcation?
4660 // non user-visible modifications
4661 case CEPH_OSD_OP_WATCH
:
4662 case CEPH_OSD_OP_CACHE_EVICT
:
4663 case CEPH_OSD_OP_CACHE_FLUSH
:
4664 case CEPH_OSD_OP_CACHE_TRY_FLUSH
:
4665 case CEPH_OSD_OP_UNDIRTY
:
4666 case CEPH_OSD_OP_COPY_FROM
: // we handle user_version update explicitly
4667 case CEPH_OSD_OP_CACHE_PIN
:
4668 case CEPH_OSD_OP_CACHE_UNPIN
:
4669 case CEPH_OSD_OP_SET_REDIRECT
:
4672 if (op
.op
& CEPH_OSD_OP_MODE_WR
)
4673 ctx
->user_modify
= true;
4676 // munge -1 truncate to 0 truncate
4677 if (ceph_osd_op_uses_extent(op
.op
) &&
4678 op
.extent
.truncate_seq
== 1 &&
4679 op
.extent
.truncate_size
== (-1ULL)) {
4680 op
.extent
.truncate_size
= 0;
4681 op
.extent
.truncate_seq
= 0;
4684 // munge ZERO -> TRUNCATE? (don't munge to DELETE or we risk hosing attributes)
4685 if (op
.op
== CEPH_OSD_OP_ZERO
&&
4687 op
.extent
.offset
< cct
->_conf
->osd_max_object_size
&&
4688 op
.extent
.length
>= 1 &&
4689 op
.extent
.length
<= cct
->_conf
->osd_max_object_size
&&
4690 op
.extent
.offset
+ op
.extent
.length
>= oi
.size
) {
4691 if (op
.extent
.offset
>= oi
.size
) {
4695 dout(10) << " munging ZERO " << op
.extent
.offset
<< "~" << op
.extent
.length
4696 << " -> TRUNCATE " << op
.extent
.offset
<< " (old size is " << oi
.size
<< ")" << dendl
;
4697 op
.op
= CEPH_OSD_OP_TRUNCATE
;
4704 case CEPH_OSD_OP_CMPEXT
:
4706 tracepoint(osd
, do_osd_op_pre_extent_cmp
, 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
);
4707 result
= do_extent_cmp(ctx
, osd_op
);
4710 case CEPH_OSD_OP_SYNC_READ
:
4711 if (pool
.info
.require_rollback()) {
4712 result
= -EOPNOTSUPP
;
4716 case CEPH_OSD_OP_READ
:
4719 __u32 seq
= oi
.truncate_seq
;
4720 uint64_t size
= oi
.size
;
4721 tracepoint(osd
, do_osd_op_pre_read
, soid
.oid
.name
.c_str(), soid
.snap
.val
, size
, seq
, op
.extent
.offset
, op
.extent
.length
, op
.extent
.truncate_size
, op
.extent
.truncate_seq
);
4722 bool trimmed_read
= false;
4723 // are we beyond truncate_size?
4724 if ( (seq
< op
.extent
.truncate_seq
) &&
4725 (op
.extent
.offset
+ op
.extent
.length
> op
.extent
.truncate_size
) )
4726 size
= op
.extent
.truncate_size
;
4728 if (op
.extent
.length
== 0) //length is zero mean read the whole object
4729 op
.extent
.length
= size
;
4731 if (op
.extent
.offset
>= size
) {
4732 op
.extent
.length
= 0;
4733 trimmed_read
= true;
4734 } else if (op
.extent
.offset
+ op
.extent
.length
> size
) {
4735 op
.extent
.length
= size
- op
.extent
.offset
;
4736 trimmed_read
= true;
4739 // read into a buffer
4741 if (trimmed_read
&& op
.extent
.length
== 0) {
4742 // read size was trimmed to zero and it is expected to do nothing
4743 // a read operation of 0 bytes does *not* do nothing, this is why
4744 // the trimmed_read boolean is needed
4745 } else if (pool
.info
.require_rollback()) {
4747 boost::optional
<uint32_t> maybe_crc
;
4748 // If there is a data digest and it is possible we are reading
4749 // entire object, pass the digest. FillInVerifyExtent will
4750 // will check the oi.size again.
4751 if (oi
.is_data_digest() && op
.extent
.offset
== 0 &&
4752 op
.extent
.length
>= oi
.size
)
4753 maybe_crc
= oi
.data_digest
;
4754 ctx
->pending_async_reads
.push_back(
4756 boost::make_tuple(op
.extent
.offset
, op
.extent
.length
, op
.flags
),
4757 make_pair(&osd_op
.outdata
,
4758 new FillInVerifyExtent(&op
.extent
.length
, &osd_op
.rval
,
4759 &osd_op
.outdata
, maybe_crc
, oi
.size
, osd
,
4761 dout(10) << " async_read noted for " << soid
<< dendl
;
4763 int r
= pgbackend
->objects_read_sync(
4764 soid
, op
.extent
.offset
, op
.extent
.length
, op
.flags
, &osd_op
.outdata
);
4766 op
.extent
.length
= r
;
4769 op
.extent
.length
= 0;
4771 dout(10) << " read got " << r
<< " / " << op
.extent
.length
4772 << " bytes from obj " << soid
<< dendl
;
4774 // whole object? can we verify the checksum?
4775 if (op
.extent
.length
== oi
.size
&& oi
.is_data_digest()) {
4776 uint32_t crc
= osd_op
.outdata
.crc32c(-1);
4777 if (oi
.data_digest
!= crc
) {
4778 osd
->clog
->error() << info
.pgid
<< std::hex
4779 << " full-object read crc 0x" << crc
4780 << " != expected 0x" << oi
.data_digest
4781 << std::dec
<< " on " << soid
;
4782 // FIXME fall back to replica or something?
4789 ctx
->data_off
= op
.extent
.offset
;
4791 // XXX the op.extent.length is the requested length for async read
4792 // On error this length is changed to 0 after the error comes back.
4793 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(op
.extent
.length
, 10);
4794 ctx
->delta_stats
.num_rd
++;
4796 // Skip checking the result and just proceed to the next operation
4803 case CEPH_OSD_OP_CHECKSUM
:
4806 tracepoint(osd
, do_osd_op_pre_checksum
, soid
.oid
.name
.c_str(),
4807 soid
.snap
.val
, oi
.size
, oi
.truncate_seq
, op
.checksum
.type
,
4808 op
.checksum
.offset
, op
.checksum
.length
,
4809 op
.checksum
.chunk_size
);
4812 result
= do_checksum(ctx
, osd_op
, &bp
, &async_read
);
4813 if (result
== 0 && async_read
) {
4820 case CEPH_OSD_OP_MAPEXT
:
4821 tracepoint(osd
, do_osd_op_pre_mapext
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.extent
.offset
, op
.extent
.length
);
4822 if (pool
.info
.require_rollback()) {
4823 result
= -EOPNOTSUPP
;
4828 // read into a buffer
4830 int r
= osd
->store
->fiemap(ch
, ghobject_t(soid
, ghobject_t::NO_GEN
,
4832 op
.extent
.offset
, op
.extent
.length
, bl
);
4833 osd_op
.outdata
.claim(bl
);
4837 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(bl
.length(), 10);
4838 ctx
->delta_stats
.num_rd
++;
4839 dout(10) << " map_extents done on object " << soid
<< dendl
;
4844 case CEPH_OSD_OP_SPARSE_READ
:
4845 tracepoint(osd
, do_osd_op_pre_sparse_read
, 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
);
4846 if (op
.extent
.truncate_seq
) {
4847 dout(0) << "sparse_read does not support truncation sequence " << dendl
;
4852 if (pool
.info
.ec_pool()) {
4853 // translate sparse read to a normal one if not supported
4854 uint64_t offset
= op
.extent
.offset
;
4855 uint64_t length
= op
.extent
.length
;
4856 if (offset
> oi
.size
) {
4858 } else if (offset
+ length
> oi
.size
) {
4859 length
= oi
.size
- offset
;
4862 ctx
->pending_async_reads
.push_back(
4864 boost::make_tuple(offset
, length
, op
.flags
),
4867 new ToSparseReadResult(
4868 osd_op
.outdata
, offset
,
4869 op
.extent
.length
/* updated by the callback */))));
4870 dout(10) << " async_read (was sparse_read) noted for " << soid
<< dendl
;
4872 dout(10) << " sparse read ended up empty for " << soid
<< dendl
;
4873 map
<uint64_t, uint64_t> extents
;
4874 ::encode(extents
, osd_op
.outdata
);
4877 // read into a buffer
4878 map
<uint64_t, uint64_t> m
;
4879 uint32_t total_read
= 0;
4880 int r
= osd
->store
->fiemap(ch
, ghobject_t(soid
, ghobject_t::NO_GEN
,
4882 op
.extent
.offset
, op
.extent
.length
, m
);
4887 map
<uint64_t, uint64_t>::iterator miter
;
4889 uint64_t last
= op
.extent
.offset
;
4890 for (miter
= m
.begin(); miter
!= m
.end(); ++miter
) {
4892 if (cct
->_conf
->osd_verify_sparse_read_holes
&&
4893 last
< miter
->first
) {
4895 uint64_t len
= miter
->first
- last
;
4896 r
= pgbackend
->objects_read_sync(soid
, last
, len
, op
.flags
, &t
);
4898 osd
->clog
->error() << coll
<< " " << soid
4899 << " sparse-read failed to read: "
4901 } else if (!t
.is_zero()) {
4902 osd
->clog
->error() << coll
<< " " << soid
<< " sparse-read found data in hole "
4903 << last
<< "~" << len
;
4908 r
= pgbackend
->objects_read_sync(soid
, miter
->first
, miter
->second
, op
.flags
, &tmpbl
);
4914 if (r
< (int)miter
->second
) /* this is usually happen when we get extent that exceeds the actual file size */
4917 dout(10) << "sparse-read " << miter
->first
<< "@" << miter
->second
<< dendl
;
4918 data_bl
.claim_append(tmpbl
);
4919 last
= miter
->first
+ r
;
4927 // verify trailing hole?
4928 if (cct
->_conf
->osd_verify_sparse_read_holes
) {
4929 uint64_t end
= MIN(op
.extent
.offset
+ op
.extent
.length
, oi
.size
);
4932 uint64_t len
= end
- last
;
4933 r
= pgbackend
->objects_read_sync(soid
, last
, len
, op
.flags
, &t
);
4935 osd
->clog
->error() << coll
<< " " << soid
4936 << " sparse-read failed to read: "
4938 } else if (!t
.is_zero()) {
4939 osd
->clog
->error() << coll
<< " " << soid
<< " sparse-read found data in hole "
4940 << last
<< "~" << len
;
4945 // Why SPARSE_READ need checksum? In fact, librbd always use sparse-read.
4946 // Maybe at first, there is no much whole objects. With continued use, more and more whole object exist.
4947 // So from this point, for spare-read add checksum make sense.
4948 if (total_read
== oi
.size
&& oi
.is_data_digest()) {
4949 uint32_t crc
= data_bl
.crc32c(-1);
4950 if (oi
.data_digest
!= crc
) {
4951 osd
->clog
->error() << info
.pgid
<< std::hex
4952 << " full-object read crc 0x" << crc
4953 << " != expected 0x" << oi
.data_digest
4954 << std::dec
<< " on " << soid
;
4955 // FIXME fall back to replica or something?
4961 op
.extent
.length
= total_read
;
4963 ::encode(m
, osd_op
.outdata
); // re-encode since it might be modified
4964 ::encode_destructively(data_bl
, osd_op
.outdata
);
4966 dout(10) << " sparse_read got " << total_read
<< " bytes from object " << soid
<< dendl
;
4968 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(op
.extent
.length
, 10);
4969 ctx
->delta_stats
.num_rd
++;
4972 case CEPH_OSD_OP_CALL
:
4974 string cname
, mname
;
4977 bp
.copy(op
.cls
.class_len
, cname
);
4978 bp
.copy(op
.cls
.method_len
, mname
);
4979 bp
.copy(op
.cls
.indata_len
, indata
);
4980 } catch (buffer::error
& e
) {
4981 dout(10) << "call unable to decode class + method + indata" << dendl
;
4982 dout(30) << "in dump: ";
4983 osd_op
.indata
.hexdump(*_dout
);
4986 tracepoint(osd
, do_osd_op_pre_call
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", "???");
4989 tracepoint(osd
, do_osd_op_pre_call
, soid
.oid
.name
.c_str(), soid
.snap
.val
, cname
.c_str(), mname
.c_str());
4991 ClassHandler::ClassData
*cls
;
4992 result
= osd
->class_handler
->open_class(cname
, &cls
);
4993 assert(result
== 0); // init_op_flags() already verified this works.
4995 ClassHandler::ClassMethod
*method
= cls
->get_method(mname
.c_str());
4997 dout(10) << "call method " << cname
<< "." << mname
<< " does not exist" << dendl
;
4998 result
= -EOPNOTSUPP
;
5002 int flags
= method
->get_flags();
5003 if (flags
& CLS_METHOD_WR
)
5004 ctx
->user_modify
= true;
5007 dout(10) << "call method " << cname
<< "." << mname
<< dendl
;
5008 int prev_rd
= ctx
->num_read
;
5009 int prev_wr
= ctx
->num_write
;
5010 result
= method
->exec((cls_method_context_t
)&ctx
, indata
, outdata
);
5012 if (ctx
->num_read
> prev_rd
&& !(flags
& CLS_METHOD_RD
)) {
5013 derr
<< "method " << cname
<< "." << mname
<< " tried to read object but is not marked RD" << dendl
;
5017 if (ctx
->num_write
> prev_wr
&& !(flags
& CLS_METHOD_WR
)) {
5018 derr
<< "method " << cname
<< "." << mname
<< " tried to update object but is not marked WR" << dendl
;
5023 dout(10) << "method called response length=" << outdata
.length() << dendl
;
5024 op
.extent
.length
= outdata
.length();
5025 osd_op
.outdata
.claim_append(outdata
);
5026 dout(30) << "out dump: ";
5027 osd_op
.outdata
.hexdump(*_dout
);
5032 case CEPH_OSD_OP_STAT
:
5033 // note: stat does not require RD
5035 tracepoint(osd
, do_osd_op_pre_stat
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5037 if (obs
.exists
&& !oi
.is_whiteout()) {
5038 ::encode(oi
.size
, osd_op
.outdata
);
5039 ::encode(oi
.mtime
, osd_op
.outdata
);
5040 dout(10) << "stat oi has " << oi
.size
<< " " << oi
.mtime
<< dendl
;
5043 dout(10) << "stat oi object does not exist" << dendl
;
5046 ctx
->delta_stats
.num_rd
++;
5050 case CEPH_OSD_OP_ISDIRTY
:
5053 tracepoint(osd
, do_osd_op_pre_isdirty
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5054 bool is_dirty
= obs
.oi
.is_dirty();
5055 ::encode(is_dirty
, osd_op
.outdata
);
5056 ctx
->delta_stats
.num_rd
++;
5061 case CEPH_OSD_OP_UNDIRTY
:
5064 tracepoint(osd
, do_osd_op_pre_undirty
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5065 if (oi
.is_dirty()) {
5066 ctx
->undirty
= true; // see make_writeable()
5068 ctx
->delta_stats
.num_wr
++;
5074 case CEPH_OSD_OP_CACHE_TRY_FLUSH
:
5077 tracepoint(osd
, do_osd_op_pre_try_flush
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5078 if (ctx
->lock_type
!= ObjectContext::RWState::RWNONE
) {
5079 dout(10) << "cache-try-flush without SKIPRWLOCKS flag set" << dendl
;
5083 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5091 if (oi
.is_cache_pinned()) {
5092 dout(10) << "cache-try-flush on a pinned object, consider unpin this object first" << dendl
;
5096 if (oi
.is_dirty()) {
5097 result
= start_flush(ctx
->op
, ctx
->obc
, false, NULL
, boost::none
);
5098 if (result
== -EINPROGRESS
)
5106 case CEPH_OSD_OP_CACHE_FLUSH
:
5109 tracepoint(osd
, do_osd_op_pre_cache_flush
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5110 if (ctx
->lock_type
== ObjectContext::RWState::RWNONE
) {
5111 dout(10) << "cache-flush with SKIPRWLOCKS flag set" << dendl
;
5115 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5123 if (oi
.is_cache_pinned()) {
5124 dout(10) << "cache-flush on a pinned object, consider unpin this object first" << dendl
;
5129 if (oi
.is_dirty()) {
5130 result
= start_flush(ctx
->op
, ctx
->obc
, true, &missing
, boost::none
);
5131 if (result
== -EINPROGRESS
)
5136 // Check special return value which has set missing_return
5137 if (result
== -ENOENT
) {
5138 dout(10) << __func__
<< " CEPH_OSD_OP_CACHE_FLUSH got ENOENT" << dendl
;
5139 assert(!missing
.is_min());
5140 wait_for_unreadable_object(missing
, ctx
->op
);
5141 // Error code which is used elsewhere when wait_for_unreadable_object() is used
5147 case CEPH_OSD_OP_CACHE_EVICT
:
5150 tracepoint(osd
, do_osd_op_pre_cache_evict
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5151 if (pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
) {
5159 if (oi
.is_cache_pinned()) {
5160 dout(10) << "cache-evict on a pinned object, consider unpin this object first" << dendl
;
5164 if (oi
.is_dirty()) {
5168 if (!oi
.watchers
.empty()) {
5172 if (soid
.snap
== CEPH_NOSNAP
) {
5173 result
= _verify_no_head_clones(soid
, ssc
->snapset
);
5177 result
= _delete_oid(ctx
, true, false);
5179 // mark that this is a cache eviction to avoid triggering normal
5180 // make_writeable() clone or snapdir object creation in finish_ctx()
5181 ctx
->cache_evict
= true;
5183 osd
->logger
->inc(l_osd_tier_evict
);
5187 case CEPH_OSD_OP_GETXATTR
:
5191 bp
.copy(op
.xattr
.name_len
, aname
);
5192 tracepoint(osd
, do_osd_op_pre_getxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
5193 string name
= "_" + aname
;
5194 int r
= getattr_maybe_cache(
5199 op
.xattr
.value_len
= osd_op
.outdata
.length();
5201 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
5205 ctx
->delta_stats
.num_rd
++;
5209 case CEPH_OSD_OP_GETXATTRS
:
5212 tracepoint(osd
, do_osd_op_pre_getxattrs
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5213 map
<string
, bufferlist
> out
;
5214 result
= getattrs_maybe_cache(
5221 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(bl
.length(), 10);
5222 ctx
->delta_stats
.num_rd
++;
5223 osd_op
.outdata
.claim_append(bl
);
5227 case CEPH_OSD_OP_CMPXATTR
:
5231 bp
.copy(op
.xattr
.name_len
, aname
);
5232 tracepoint(osd
, do_osd_op_pre_cmpxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
5233 string name
= "_" + aname
;
5234 name
[op
.xattr
.name_len
+ 1] = 0;
5237 result
= getattr_maybe_cache(
5241 if (result
< 0 && result
!= -EEXIST
&& result
!= -ENODATA
)
5244 ctx
->delta_stats
.num_rd
++;
5245 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(xattr
.length(), 10);
5247 switch (op
.xattr
.cmp_mode
) {
5248 case CEPH_OSD_CMPXATTR_MODE_STRING
:
5251 bp
.copy(op
.xattr
.value_len
, val
);
5252 val
[op
.xattr
.value_len
] = 0;
5253 dout(10) << "CEPH_OSD_OP_CMPXATTR name=" << name
<< " val=" << val
5254 << " op=" << (int)op
.xattr
.cmp_op
<< " mode=" << (int)op
.xattr
.cmp_mode
<< dendl
;
5255 result
= do_xattr_cmp_str(op
.xattr
.cmp_op
, val
, xattr
);
5259 case CEPH_OSD_CMPXATTR_MODE_U64
:
5263 ::decode(u64val
, bp
);
5265 catch (buffer::error
& e
) {
5269 dout(10) << "CEPH_OSD_OP_CMPXATTR name=" << name
<< " val=" << u64val
5270 << " op=" << (int)op
.xattr
.cmp_op
<< " mode=" << (int)op
.xattr
.cmp_mode
<< dendl
;
5271 result
= do_xattr_cmp_u64(op
.xattr
.cmp_op
, u64val
, xattr
);
5276 dout(10) << "bad cmp mode " << (int)op
.xattr
.cmp_mode
<< dendl
;
5281 dout(10) << "comparison returned false" << dendl
;
5282 result
= -ECANCELED
;
5286 dout(10) << "comparison returned " << result
<< " " << cpp_strerror(-result
) << dendl
;
5290 dout(10) << "comparison returned true" << dendl
;
5294 case CEPH_OSD_OP_ASSERT_VER
:
5297 uint64_t ver
= op
.assert_ver
.ver
;
5298 tracepoint(osd
, do_osd_op_pre_assert_ver
, soid
.oid
.name
.c_str(), soid
.snap
.val
, ver
);
5301 else if (ver
< oi
.user_version
)
5303 else if (ver
> oi
.user_version
)
5304 result
= -EOVERFLOW
;
5308 case CEPH_OSD_OP_LIST_WATCHERS
:
5311 tracepoint(osd
, do_osd_op_pre_list_watchers
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5312 obj_list_watch_response_t resp
;
5314 map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::const_iterator oi_iter
;
5315 for (oi_iter
= oi
.watchers
.begin(); oi_iter
!= oi
.watchers
.end();
5317 dout(20) << "key cookie=" << oi_iter
->first
.first
5318 << " entity=" << oi_iter
->first
.second
<< " "
5319 << oi_iter
->second
<< dendl
;
5320 assert(oi_iter
->first
.first
== oi_iter
->second
.cookie
);
5321 assert(oi_iter
->first
.second
.is_client());
5323 watch_item_t
wi(oi_iter
->first
.second
, oi_iter
->second
.cookie
,
5324 oi_iter
->second
.timeout_seconds
, oi_iter
->second
.addr
);
5325 resp
.entries
.push_back(wi
);
5328 resp
.encode(osd_op
.outdata
, ctx
->get_features());
5331 ctx
->delta_stats
.num_rd
++;
5335 case CEPH_OSD_OP_LIST_SNAPS
:
5338 tracepoint(osd
, do_osd_op_pre_list_snaps
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5339 obj_list_snap_response_t resp
;
5342 ssc
= ctx
->obc
->ssc
= get_snapset_context(soid
, false);
5346 int clonecount
= ssc
->snapset
.clones
.size();
5347 if (ssc
->snapset
.head_exists
)
5349 resp
.clones
.reserve(clonecount
);
5350 for (auto clone_iter
= ssc
->snapset
.clones
.begin();
5351 clone_iter
!= ssc
->snapset
.clones
.end(); ++clone_iter
) {
5353 ci
.cloneid
= *clone_iter
;
5355 hobject_t clone_oid
= soid
;
5356 clone_oid
.snap
= *clone_iter
;
5358 if (!ssc
->snapset
.is_legacy()) {
5359 auto p
= ssc
->snapset
.clone_snaps
.find(*clone_iter
);
5360 if (p
== ssc
->snapset
.clone_snaps
.end()) {
5361 osd
->clog
->error() << "osd." << osd
->whoami
5362 << ": inconsistent clone_snaps found for oid "
5363 << soid
<< " clone " << *clone_iter
5364 << " snapset " << ssc
->snapset
;
5368 for (auto q
= p
->second
.rbegin(); q
!= p
->second
.rend(); ++q
) {
5369 ci
.snaps
.push_back(*q
);
5372 /* No need to take a lock here. We are only inspecting state cached on
5373 * in the ObjectContext, so we aren't performing an actual read unless
5374 * the clone obc is not already loaded (in which case, it cannot have
5375 * an in progress write). We also do not risk exposing uncommitted
5376 * state since we do have a read lock on the head object or snapdir,
5377 * which we would have to write lock in order to make user visible
5378 * modifications to the snapshot state (snap trim related mutations
5379 * are not user visible).
5381 if (is_missing_object(clone_oid
)) {
5382 dout(20) << "LIST_SNAPS " << clone_oid
<< " missing" << dendl
;
5383 wait_for_unreadable_object(clone_oid
, ctx
->op
);
5388 ObjectContextRef clone_obc
= get_object_context(clone_oid
, false);
5390 if (maybe_handle_cache(
5391 ctx
->op
, true, clone_obc
, -ENOENT
, clone_oid
, true)) {
5392 // promoting the clone
5395 osd
->clog
->error() << "osd." << osd
->whoami
5396 << ": missing clone " << clone_oid
5399 // should not happen
5404 for (vector
<snapid_t
>::reverse_iterator p
=
5405 clone_obc
->obs
.oi
.legacy_snaps
.rbegin();
5406 p
!= clone_obc
->obs
.oi
.legacy_snaps
.rend();
5408 ci
.snaps
.push_back(*p
);
5412 dout(20) << " clone " << *clone_iter
<< " snaps " << ci
.snaps
<< dendl
;
5414 map
<snapid_t
, interval_set
<uint64_t> >::const_iterator coi
;
5415 coi
= ssc
->snapset
.clone_overlap
.find(ci
.cloneid
);
5416 if (coi
== ssc
->snapset
.clone_overlap
.end()) {
5417 osd
->clog
->error() << "osd." << osd
->whoami
5418 << ": inconsistent clone_overlap found for oid "
5419 << soid
<< " clone " << *clone_iter
;
5423 const interval_set
<uint64_t> &o
= coi
->second
;
5424 ci
.overlap
.reserve(o
.num_intervals());
5425 for (interval_set
<uint64_t>::const_iterator r
= o
.begin();
5426 r
!= o
.end(); ++r
) {
5427 ci
.overlap
.push_back(pair
<uint64_t,uint64_t>(r
.get_start(),
5431 map
<snapid_t
, uint64_t>::const_iterator si
;
5432 si
= ssc
->snapset
.clone_size
.find(ci
.cloneid
);
5433 if (si
== ssc
->snapset
.clone_size
.end()) {
5434 osd
->clog
->error() << "osd." << osd
->whoami
5435 << ": inconsistent clone_size found for oid "
5436 << soid
<< " clone " << *clone_iter
;
5440 ci
.size
= si
->second
;
5442 resp
.clones
.push_back(ci
);
5447 if (ssc
->snapset
.head_exists
&&
5448 !ctx
->obc
->obs
.oi
.is_whiteout()) {
5451 ci
.cloneid
= CEPH_NOSNAP
;
5453 //Size for HEAD is oi.size
5456 resp
.clones
.push_back(ci
);
5458 resp
.seq
= ssc
->snapset
.seq
;
5460 resp
.encode(osd_op
.outdata
);
5463 ctx
->delta_stats
.num_rd
++;
5467 case CEPH_OSD_OP_NOTIFY
:
5474 uint32_t ver
; // obsolete
5476 ::decode(timeout
, bp
);
5478 } catch (const buffer::error
&e
) {
5481 tracepoint(osd
, do_osd_op_pre_notify
, soid
.oid
.name
.c_str(), soid
.snap
.val
, timeout
);
5483 timeout
= cct
->_conf
->osd_default_notify_timeout
;
5486 n
.timeout
= timeout
;
5487 n
.notify_id
= osd
->get_next_id(get_osdmap()->get_epoch());
5488 n
.cookie
= op
.watch
.cookie
;
5490 ctx
->notifies
.push_back(n
);
5492 // return our unique notify id to the client
5493 ::encode(n
.notify_id
, osd_op
.outdata
);
5497 case CEPH_OSD_OP_NOTIFY_ACK
:
5501 uint64_t notify_id
= 0;
5502 uint64_t watch_cookie
= 0;
5503 ::decode(notify_id
, bp
);
5504 ::decode(watch_cookie
, bp
);
5505 bufferlist reply_bl
;
5507 ::decode(reply_bl
, bp
);
5509 tracepoint(osd
, do_osd_op_pre_notify_ack
, soid
.oid
.name
.c_str(), soid
.snap
.val
, notify_id
, watch_cookie
, "Y");
5510 OpContext::NotifyAck
ack(notify_id
, watch_cookie
, reply_bl
);
5511 ctx
->notify_acks
.push_back(ack
);
5512 } catch (const buffer::error
&e
) {
5513 tracepoint(osd
, do_osd_op_pre_notify_ack
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.watch
.cookie
, 0, "N");
5514 OpContext::NotifyAck
ack(
5515 // op.watch.cookie is actually the notify_id for historical reasons
5518 ctx
->notify_acks
.push_back(ack
);
5523 case CEPH_OSD_OP_SETALLOCHINT
:
5526 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
);
5527 maybe_create_new_object(ctx
);
5528 oi
.expected_object_size
= op
.alloc_hint
.expected_object_size
;
5529 oi
.expected_write_size
= op
.alloc_hint
.expected_write_size
;
5530 oi
.alloc_hint_flags
= op
.alloc_hint
.flags
;
5531 t
->set_alloc_hint(soid
, op
.alloc_hint
.expected_object_size
,
5532 op
.alloc_hint
.expected_write_size
,
5533 op
.alloc_hint
.flags
);
5534 ctx
->delta_stats
.num_wr
++;
5542 // -- object data --
5544 case CEPH_OSD_OP_WRITE
:
5547 __u32 seq
= oi
.truncate_seq
;
5548 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
);
5549 if (op
.extent
.length
!= osd_op
.indata
.length()) {
5554 if (pool
.info
.has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED
))
5555 op
.flags
= op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
;
5557 if (pool
.info
.requires_aligned_append() &&
5558 (op
.extent
.offset
% pool
.info
.required_alignment() != 0)) {
5559 result
= -EOPNOTSUPP
;
5564 if (pool
.info
.requires_aligned_append() && op
.extent
.offset
) {
5565 result
= -EOPNOTSUPP
;
5568 } else if (op
.extent
.offset
!= oi
.size
&&
5569 pool
.info
.requires_aligned_append()) {
5570 result
= -EOPNOTSUPP
;
5574 if (seq
&& (seq
> op
.extent
.truncate_seq
) &&
5575 (op
.extent
.offset
+ op
.extent
.length
> oi
.size
)) {
5576 // old write, arrived after trimtrunc
5577 op
.extent
.length
= (op
.extent
.offset
> oi
.size
? 0 : oi
.size
- op
.extent
.offset
);
5578 dout(10) << " old truncate_seq " << op
.extent
.truncate_seq
<< " < current " << seq
5579 << ", adjusting write length to " << op
.extent
.length
<< dendl
;
5581 t
.substr_of(osd_op
.indata
, 0, op
.extent
.length
);
5582 osd_op
.indata
.swap(t
);
5584 if (op
.extent
.truncate_seq
> seq
) {
5585 // write arrives before trimtrunc
5586 if (obs
.exists
&& !oi
.is_whiteout()) {
5587 dout(10) << " truncate_seq " << op
.extent
.truncate_seq
<< " > current " << seq
5588 << ", truncating to " << op
.extent
.truncate_size
<< dendl
;
5589 t
->truncate(soid
, op
.extent
.truncate_size
);
5590 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5591 oi
.truncate_size
= op
.extent
.truncate_size
;
5592 if (op
.extent
.truncate_size
!= oi
.size
) {
5593 ctx
->delta_stats
.num_bytes
-= oi
.size
;
5594 ctx
->delta_stats
.num_bytes
+= op
.extent
.truncate_size
;
5595 oi
.size
= op
.extent
.truncate_size
;
5598 dout(10) << " truncate_seq " << op
.extent
.truncate_seq
<< " > current " << seq
5599 << ", but object is new" << dendl
;
5600 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5601 oi
.truncate_size
= op
.extent
.truncate_size
;
5604 result
= check_offset_and_length(op
.extent
.offset
, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5608 maybe_create_new_object(ctx
);
5610 if (op
.extent
.length
== 0) {
5611 if (op
.extent
.offset
> oi
.size
) {
5613 soid
, op
.extent
.offset
);
5619 soid
, op
.extent
.offset
, op
.extent
.length
, osd_op
.indata
, op
.flags
);
5622 if (op
.extent
.offset
== 0 && op
.extent
.length
>= oi
.size
)
5623 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(-1));
5624 else if (op
.extent
.offset
== oi
.size
&& obs
.oi
.is_data_digest())
5625 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(obs
.oi
.data_digest
));
5627 obs
.oi
.clear_data_digest();
5628 write_update_size_and_usage(ctx
->delta_stats
, oi
, ctx
->modified_ranges
,
5629 op
.extent
.offset
, op
.extent
.length
);
5634 case CEPH_OSD_OP_WRITEFULL
:
5636 { // write full object
5637 tracepoint(osd
, do_osd_op_pre_writefull
, soid
.oid
.name
.c_str(), soid
.snap
.val
, oi
.size
, 0, op
.extent
.length
);
5639 if (op
.extent
.length
!= osd_op
.indata
.length()) {
5643 result
= check_offset_and_length(0, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5647 if (pool
.info
.has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED
))
5648 op
.flags
= op
.flags
| CEPH_OSD_OP_FLAG_FADVISE_DONTNEED
;
5650 maybe_create_new_object(ctx
);
5651 if (pool
.info
.require_rollback()) {
5652 t
->truncate(soid
, 0);
5653 } else if (obs
.exists
&& op
.extent
.length
< oi
.size
) {
5654 t
->truncate(soid
, op
.extent
.length
);
5656 if (op
.extent
.length
) {
5657 t
->write(soid
, 0, op
.extent
.length
, osd_op
.indata
, op
.flags
);
5659 obs
.oi
.set_data_digest(osd_op
.indata
.crc32c(-1));
5661 write_update_size_and_usage(ctx
->delta_stats
, oi
, ctx
->modified_ranges
,
5662 0, op
.extent
.length
, true);
5666 case CEPH_OSD_OP_WRITESAME
:
5668 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
);
5669 result
= do_writesame(ctx
, osd_op
);
5672 case CEPH_OSD_OP_ROLLBACK
:
5674 tracepoint(osd
, do_osd_op_pre_rollback
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5675 result
= _rollback_to(ctx
, op
);
5678 case CEPH_OSD_OP_ZERO
:
5679 tracepoint(osd
, do_osd_op_pre_zero
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.extent
.offset
, op
.extent
.length
);
5680 if (pool
.info
.requires_aligned_append()) {
5681 result
= -EOPNOTSUPP
;
5686 result
= check_offset_and_length(op
.extent
.offset
, op
.extent
.length
, cct
->_conf
->osd_max_object_size
);
5689 assert(op
.extent
.length
);
5690 if (obs
.exists
&& !oi
.is_whiteout()) {
5691 t
->zero(soid
, op
.extent
.offset
, op
.extent
.length
);
5692 interval_set
<uint64_t> ch
;
5693 ch
.insert(op
.extent
.offset
, op
.extent
.length
);
5694 ctx
->modified_ranges
.union_of(ch
);
5695 ctx
->delta_stats
.num_wr
++;
5696 oi
.clear_data_digest();
5702 case CEPH_OSD_OP_CREATE
:
5705 tracepoint(osd
, do_osd_op_pre_create
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5706 int flags
= le32_to_cpu(op
.flags
);
5707 if (obs
.exists
&& !oi
.is_whiteout() &&
5708 (flags
& CEPH_OSD_OP_FLAG_EXCL
)) {
5709 result
= -EEXIST
; /* this is an exclusive create */
5711 if (osd_op
.indata
.length()) {
5712 bufferlist::iterator p
= osd_op
.indata
.begin();
5715 ::decode(category
, p
);
5717 catch (buffer::error
& e
) {
5721 // category is no longer implemented.
5724 maybe_create_new_object(ctx
);
5731 case CEPH_OSD_OP_TRIMTRUNC
:
5732 op
.extent
.offset
= op
.extent
.truncate_size
;
5735 case CEPH_OSD_OP_TRUNCATE
:
5736 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
);
5737 if (pool
.info
.requires_aligned_append()) {
5738 result
= -EOPNOTSUPP
;
5744 if (!obs
.exists
|| oi
.is_whiteout()) {
5745 dout(10) << " object dne, truncate is a no-op" << dendl
;
5749 if (op
.extent
.offset
> cct
->_conf
->osd_max_object_size
) {
5754 if (op
.extent
.truncate_seq
) {
5755 assert(op
.extent
.offset
== op
.extent
.truncate_size
);
5756 if (op
.extent
.truncate_seq
<= oi
.truncate_seq
) {
5757 dout(10) << " truncate seq " << op
.extent
.truncate_seq
<< " <= current " << oi
.truncate_seq
5758 << ", no-op" << dendl
;
5761 dout(10) << " truncate seq " << op
.extent
.truncate_seq
<< " > current " << oi
.truncate_seq
5762 << ", truncating" << dendl
;
5763 oi
.truncate_seq
= op
.extent
.truncate_seq
;
5764 oi
.truncate_size
= op
.extent
.truncate_size
;
5767 maybe_create_new_object(ctx
);
5768 t
->truncate(soid
, op
.extent
.offset
);
5769 if (oi
.size
> op
.extent
.offset
) {
5770 interval_set
<uint64_t> trim
;
5771 trim
.insert(op
.extent
.offset
, oi
.size
-op
.extent
.offset
);
5772 ctx
->modified_ranges
.union_of(trim
);
5774 if (op
.extent
.offset
!= oi
.size
) {
5775 ctx
->delta_stats
.num_bytes
-= oi
.size
;
5776 ctx
->delta_stats
.num_bytes
+= op
.extent
.offset
;
5777 oi
.size
= op
.extent
.offset
;
5779 ctx
->delta_stats
.num_wr
++;
5780 // do no set exists, or we will break above DELETE -> TRUNCATE munging.
5782 oi
.clear_data_digest();
5786 case CEPH_OSD_OP_DELETE
:
5788 tracepoint(osd
, do_osd_op_pre_delete
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5790 result
= _delete_oid(ctx
, false, ctx
->ignore_cache
);
5794 case CEPH_OSD_OP_WATCH
:
5797 tracepoint(osd
, do_osd_op_pre_watch
, soid
.oid
.name
.c_str(), soid
.snap
.val
,
5798 op
.watch
.cookie
, op
.watch
.op
);
5803 uint64_t cookie
= op
.watch
.cookie
;
5804 entity_name_t entity
= ctx
->reqid
.name
;
5805 ObjectContextRef obc
= ctx
->obc
;
5807 dout(10) << "watch " << ceph_osd_watch_op_name(op
.watch
.op
)
5808 << ": ctx->obc=" << (void *)obc
.get() << " cookie=" << cookie
5809 << " oi.version=" << oi
.version
.version
<< " ctx->at_version=" << ctx
->at_version
<< dendl
;
5810 dout(10) << "watch: oi.user_version=" << oi
.user_version
<< dendl
;
5811 dout(10) << "watch: peer_addr="
5812 << ctx
->op
->get_req()->get_connection()->get_peer_addr() << dendl
;
5814 uint32_t timeout
= cct
->_conf
->osd_client_watch_timeout
;
5815 if (op
.watch
.timeout
!= 0) {
5816 timeout
= op
.watch
.timeout
;
5819 watch_info_t
w(cookie
, timeout
,
5820 ctx
->op
->get_req()->get_connection()->get_peer_addr());
5821 if (op
.watch
.op
== CEPH_OSD_WATCH_OP_WATCH
||
5822 op
.watch
.op
== CEPH_OSD_WATCH_OP_LEGACY_WATCH
) {
5823 if (oi
.watchers
.count(make_pair(cookie
, entity
))) {
5824 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
5826 dout(10) << " registered new watch " << w
<< " by " << entity
<< dendl
;
5827 oi
.watchers
[make_pair(cookie
, entity
)] = w
;
5828 t
->nop(soid
); // make sure update the object_info on disk!
5830 bool will_ping
= (op
.watch
.op
== CEPH_OSD_WATCH_OP_WATCH
);
5831 ctx
->watch_connects
.push_back(make_pair(w
, will_ping
));
5832 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_RECONNECT
) {
5833 if (!oi
.watchers
.count(make_pair(cookie
, entity
))) {
5837 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
5838 ctx
->watch_connects
.push_back(make_pair(w
, true));
5839 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_PING
) {
5840 /* Note: WATCH with PING doesn't cause may_write() to return true,
5841 * so if there is nothing else in the transaction, this is going
5842 * to run do_osd_op_effects, but not write out a log entry */
5843 if (!oi
.watchers
.count(make_pair(cookie
, entity
))) {
5847 map
<pair
<uint64_t,entity_name_t
>,WatchRef
>::iterator p
=
5848 obc
->watchers
.find(make_pair(cookie
, entity
));
5849 if (p
== obc
->watchers
.end() ||
5850 !p
->second
->is_connected()) {
5851 // client needs to reconnect
5852 result
= -ETIMEDOUT
;
5855 dout(10) << " found existing watch " << w
<< " by " << entity
<< dendl
;
5856 p
->second
->got_ping(ceph_clock_now());
5858 } else if (op
.watch
.op
== CEPH_OSD_WATCH_OP_UNWATCH
) {
5859 map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator oi_iter
=
5860 oi
.watchers
.find(make_pair(cookie
, entity
));
5861 if (oi_iter
!= oi
.watchers
.end()) {
5862 dout(10) << " removed watch " << oi_iter
->second
<< " by "
5864 oi
.watchers
.erase(oi_iter
);
5865 t
->nop(soid
); // update oi on disk
5866 ctx
->watch_disconnects
.push_back(
5867 watch_disconnect_t(cookie
, entity
, false));
5869 dout(10) << " can't remove: no watch by " << entity
<< dendl
;
5875 case CEPH_OSD_OP_CACHE_PIN
:
5876 tracepoint(osd
, do_osd_op_pre_cache_pin
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5877 if ((!pool
.info
.is_tier() ||
5878 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)) {
5880 dout(10) << " pin object is only allowed on the cache tier " << dendl
;
5885 if (!obs
.exists
|| oi
.is_whiteout()) {
5890 if (!oi
.is_cache_pinned()) {
5891 oi
.set_flag(object_info_t::FLAG_CACHE_PIN
);
5893 ctx
->delta_stats
.num_objects_pinned
++;
5894 ctx
->delta_stats
.num_wr
++;
5900 case CEPH_OSD_OP_CACHE_UNPIN
:
5901 tracepoint(osd
, do_osd_op_pre_cache_unpin
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
5902 if ((!pool
.info
.is_tier() ||
5903 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
)) {
5905 dout(10) << " pin object is only allowed on the cache tier " << dendl
;
5910 if (!obs
.exists
|| oi
.is_whiteout()) {
5915 if (oi
.is_cache_pinned()) {
5916 oi
.clear_flag(object_info_t::FLAG_CACHE_PIN
);
5918 ctx
->delta_stats
.num_objects_pinned
--;
5919 ctx
->delta_stats
.num_wr
++;
5925 case CEPH_OSD_OP_SET_REDIRECT
:
5928 if (pool
.info
.is_tier()) {
5936 if (get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
) {
5937 result
= -EOPNOTSUPP
;
5941 object_t target_name
;
5942 object_locator_t target_oloc
;
5943 snapid_t target_snapid
= (uint64_t)op
.copy_from
.snapid
;
5944 version_t target_version
= op
.copy_from
.src_version
;
5946 ::decode(target_name
, bp
);
5947 ::decode(target_oloc
, bp
);
5949 catch (buffer::error
& e
) {
5954 get_osdmap()->object_locator_to_pg(target_name
, target_oloc
, raw_pg
);
5955 hobject_t
target(target_name
, target_oloc
.key
, target_snapid
,
5956 raw_pg
.ps(), raw_pg
.pool(),
5957 target_oloc
.nspace
);
5958 if (target
== soid
) {
5959 dout(20) << " set-redirect self is invalid" << dendl
;
5963 oi
.set_flag(object_info_t::FLAG_MANIFEST
);
5964 oi
.manifest
.redirect_target
= target
;
5965 oi
.manifest
.type
= object_manifest_t::TYPE_REDIRECT
;
5966 t
->truncate(soid
, 0);
5967 if (oi
.is_omap() && pool
.info
.supports_omap()) {
5968 t
->omap_clear(soid
);
5969 obs
.oi
.clear_omap_digest();
5970 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
5972 ctx
->delta_stats
.num_bytes
-= oi
.size
;
5975 oi
.user_version
= target_version
;
5976 ctx
->user_at_version
= target_version
;
5978 map
<string
,bufferlist
> rmattrs
;
5979 result
= getattrs_maybe_cache(ctx
->obc
,
5985 map
<string
, bufferlist
>::iterator iter
;
5986 for (iter
= rmattrs
.begin(); iter
!= rmattrs
.end(); ++iter
) {
5987 const string
& name
= iter
->first
;
5988 t
->rmattr(soid
, name
);
5990 dout(10) << "set-redirect oid:" << oi
.soid
<< " user_version: " << oi
.user_version
<< dendl
;
5995 // -- object attrs --
5997 case CEPH_OSD_OP_SETXATTR
:
6000 if (cct
->_conf
->osd_max_attr_size
> 0 &&
6001 op
.xattr
.value_len
> cct
->_conf
->osd_max_attr_size
) {
6002 tracepoint(osd
, do_osd_op_pre_setxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6006 unsigned max_name_len
= MIN(osd
->store
->get_max_attr_name_length(),
6007 cct
->_conf
->osd_max_attr_name_len
);
6008 if (op
.xattr
.name_len
> max_name_len
) {
6009 result
= -ENAMETOOLONG
;
6012 maybe_create_new_object(ctx
);
6014 bp
.copy(op
.xattr
.name_len
, aname
);
6015 tracepoint(osd
, do_osd_op_pre_setxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
6016 string name
= "_" + aname
;
6018 bp
.copy(op
.xattr
.value_len
, bl
);
6019 t
->setattr(soid
, name
, bl
);
6020 ctx
->delta_stats
.num_wr
++;
6024 case CEPH_OSD_OP_RMXATTR
:
6028 bp
.copy(op
.xattr
.name_len
, aname
);
6029 tracepoint(osd
, do_osd_op_pre_rmxattr
, soid
.oid
.name
.c_str(), soid
.snap
.val
, aname
.c_str());
6030 if (!obs
.exists
|| oi
.is_whiteout()) {
6034 string name
= "_" + aname
;
6035 t
->rmattr(soid
, name
);
6036 ctx
->delta_stats
.num_wr
++;
6041 // -- fancy writers --
6042 case CEPH_OSD_OP_APPEND
:
6044 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
);
6045 // just do it inline; this works because we are happy to execute
6046 // fancy op on replicas as well.
6047 vector
<OSDOp
> nops(1);
6048 OSDOp
& newop
= nops
[0];
6049 newop
.op
.op
= CEPH_OSD_OP_WRITE
;
6050 newop
.op
.extent
.offset
= oi
.size
;
6051 newop
.op
.extent
.length
= op
.extent
.length
;
6052 newop
.op
.extent
.truncate_seq
= oi
.truncate_seq
;
6053 newop
.indata
= osd_op
.indata
;
6054 result
= do_osd_ops(ctx
, nops
);
6055 osd_op
.outdata
.claim(newop
.outdata
);
6059 case CEPH_OSD_OP_STARTSYNC
:
6060 tracepoint(osd
, do_osd_op_pre_startsync
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6065 // -- trivial map --
6066 case CEPH_OSD_OP_TMAPGET
:
6067 tracepoint(osd
, do_osd_op_pre_tmapget
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6068 if (pool
.info
.require_rollback()) {
6069 result
= -EOPNOTSUPP
;
6073 vector
<OSDOp
> nops(1);
6074 OSDOp
& newop
= nops
[0];
6075 newop
.op
.op
= CEPH_OSD_OP_SYNC_READ
;
6076 newop
.op
.extent
.offset
= 0;
6077 newop
.op
.extent
.length
= 0;
6078 do_osd_ops(ctx
, nops
);
6079 osd_op
.outdata
.claim(newop
.outdata
);
6083 case CEPH_OSD_OP_TMAPPUT
:
6084 tracepoint(osd
, do_osd_op_pre_tmapput
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6085 if (pool
.info
.require_rollback()) {
6086 result
= -EOPNOTSUPP
;
6090 //_dout_lock.Lock();
6091 //osd_op.data.hexdump(*_dout);
6092 //_dout_lock.Unlock();
6094 // verify sort order
6095 bool unsorted
= false;
6098 ::decode(header
, bp
);
6105 dout(10) << "tmapput key " << key
<< dendl
;
6108 if (key
< last_key
) {
6109 dout(10) << "TMAPPUT is unordered; resorting" << dendl
;
6118 vector
<OSDOp
> nops(1);
6119 OSDOp
& newop
= nops
[0];
6120 newop
.op
.op
= CEPH_OSD_OP_WRITEFULL
;
6121 newop
.op
.extent
.offset
= 0;
6122 newop
.op
.extent
.length
= osd_op
.indata
.length();
6123 newop
.indata
= osd_op
.indata
;
6126 bp
= osd_op
.indata
.begin();
6128 map
<string
, bufferlist
> m
;
6129 ::decode(header
, bp
);
6133 ::encode(header
, newbl
);
6135 newop
.indata
= newbl
;
6137 result
= do_osd_ops(ctx
, nops
);
6138 assert(result
== 0);
6142 case CEPH_OSD_OP_TMAPUP
:
6143 tracepoint(osd
, do_osd_op_pre_tmapup
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6144 if (pool
.info
.require_rollback()) {
6145 result
= -EOPNOTSUPP
;
6149 result
= do_tmapup(ctx
, bp
, osd_op
);
6152 case CEPH_OSD_OP_TMAP2OMAP
:
6154 tracepoint(osd
, do_osd_op_pre_tmap2omap
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6155 result
= do_tmap2omap(ctx
, op
.tmap2omap
.flags
);
6159 case CEPH_OSD_OP_OMAPGETKEYS
:
6163 uint64_t max_return
;
6165 ::decode(start_after
, bp
);
6166 ::decode(max_return
, bp
);
6168 catch (buffer::error
& e
) {
6170 tracepoint(osd
, do_osd_op_pre_omapgetkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", 0);
6173 if (max_return
> cct
->_conf
->osd_max_omap_entries_per_request
) {
6174 max_return
= cct
->_conf
->osd_max_omap_entries_per_request
;
6176 tracepoint(osd
, do_osd_op_pre_omapgetkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, start_after
.c_str(), max_return
);
6180 bool truncated
= false;
6182 ObjectMap::ObjectMapIterator iter
= osd
->store
->get_omap_iterator(
6183 coll
, ghobject_t(soid
)
6186 iter
->upper_bound(start_after
);
6187 for (num
= 0; iter
->valid(); ++num
, iter
->next(false)) {
6188 if (num
>= max_return
||
6189 bl
.length() >= cct
->_conf
->osd_max_omap_bytes_per_request
) {
6193 ::encode(iter
->key(), bl
);
6195 } // else return empty out_set
6196 ::encode(num
, osd_op
.outdata
);
6197 osd_op
.outdata
.claim_append(bl
);
6198 ::encode(truncated
, osd_op
.outdata
);
6199 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6200 ctx
->delta_stats
.num_rd
++;
6204 case CEPH_OSD_OP_OMAPGETVALS
:
6208 uint64_t max_return
;
6209 string filter_prefix
;
6211 ::decode(start_after
, bp
);
6212 ::decode(max_return
, bp
);
6213 ::decode(filter_prefix
, bp
);
6215 catch (buffer::error
& e
) {
6217 tracepoint(osd
, do_osd_op_pre_omapgetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???", 0, "???");
6220 if (max_return
> cct
->_conf
->osd_max_omap_entries_per_request
) {
6221 max_return
= cct
->_conf
->osd_max_omap_entries_per_request
;
6223 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());
6226 bool truncated
= false;
6229 ObjectMap::ObjectMapIterator iter
= osd
->store
->get_omap_iterator(
6230 coll
, ghobject_t(soid
)
6236 iter
->upper_bound(start_after
);
6237 if (filter_prefix
> start_after
) iter
->lower_bound(filter_prefix
);
6240 iter
->key().substr(0, filter_prefix
.size()) == filter_prefix
;
6241 ++num
, iter
->next(false)) {
6242 dout(20) << "Found key " << iter
->key() << dendl
;
6243 if (num
>= max_return
||
6244 bl
.length() >= cct
->_conf
->osd_max_omap_bytes_per_request
) {
6248 ::encode(iter
->key(), bl
);
6249 ::encode(iter
->value(), bl
);
6251 } // else return empty out_set
6252 ::encode(num
, osd_op
.outdata
);
6253 osd_op
.outdata
.claim_append(bl
);
6254 ::encode(truncated
, osd_op
.outdata
);
6255 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6256 ctx
->delta_stats
.num_rd
++;
6260 case CEPH_OSD_OP_OMAPGETHEADER
:
6261 tracepoint(osd
, do_osd_op_pre_omapgetheader
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6262 if (!oi
.is_omap()) {
6263 // return empty header
6268 osd
->store
->omap_get_header(ch
, ghobject_t(soid
), &osd_op
.outdata
);
6269 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6270 ctx
->delta_stats
.num_rd
++;
6274 case CEPH_OSD_OP_OMAPGETVALSBYKEYS
:
6277 set
<string
> keys_to_get
;
6279 ::decode(keys_to_get
, bp
);
6281 catch (buffer::error
& e
) {
6283 tracepoint(osd
, do_osd_op_pre_omapgetvalsbykeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6286 tracepoint(osd
, do_osd_op_pre_omapgetvalsbykeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
, list_entries(keys_to_get
).c_str());
6287 map
<string
, bufferlist
> out
;
6289 osd
->store
->omap_get_values(ch
, ghobject_t(soid
), keys_to_get
, &out
);
6290 } // else return empty omap entries
6291 ::encode(out
, osd_op
.outdata
);
6292 ctx
->delta_stats
.num_rd_kb
+= SHIFT_ROUND_UP(osd_op
.outdata
.length(), 10);
6293 ctx
->delta_stats
.num_rd
++;
6297 case CEPH_OSD_OP_OMAP_CMP
:
6300 if (!obs
.exists
|| oi
.is_whiteout()) {
6302 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6305 map
<string
, pair
<bufferlist
, int> > assertions
;
6307 ::decode(assertions
, bp
);
6309 catch (buffer::error
& e
) {
6311 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, "???");
6314 tracepoint(osd
, do_osd_op_pre_omap_cmp
, soid
.oid
.name
.c_str(), soid
.snap
.val
, list_keys(assertions
).c_str());
6316 map
<string
, bufferlist
> out
;
6320 for (map
<string
, pair
<bufferlist
, int> >::iterator i
= assertions
.begin();
6321 i
!= assertions
.end();
6323 to_get
.insert(i
->first
);
6324 int r
= osd
->store
->omap_get_values(ch
, ghobject_t(soid
),
6330 } // else leave out empty
6332 //Should set num_rd_kb based on encode length of map
6333 ctx
->delta_stats
.num_rd
++;
6337 for (map
<string
, pair
<bufferlist
, int> >::iterator i
= assertions
.begin();
6338 i
!= assertions
.end();
6340 auto out_entry
= out
.find(i
->first
);
6341 bufferlist
&bl
= (out_entry
!= out
.end()) ?
6342 out_entry
->second
: empty
;
6343 switch (i
->second
.second
) {
6344 case CEPH_OSD_CMPXATTR_OP_EQ
:
6345 if (!(bl
== i
->second
.first
)) {
6349 case CEPH_OSD_CMPXATTR_OP_LT
:
6350 if (!(bl
< i
->second
.first
)) {
6354 case CEPH_OSD_CMPXATTR_OP_GT
:
6355 if (!(bl
> i
->second
.first
)) {
6373 case CEPH_OSD_OP_OMAPSETVALS
:
6374 if (!pool
.info
.supports_omap()) {
6375 result
= -EOPNOTSUPP
;
6376 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6381 maybe_create_new_object(ctx
);
6382 bufferlist to_set_bl
;
6384 decode_str_str_map_to_bl(bp
, &to_set_bl
);
6386 catch (buffer::error
& e
) {
6388 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6391 tracepoint(osd
, do_osd_op_pre_omapsetvals
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6392 if (cct
->_conf
->subsys
.should_gather(dout_subsys
, 20)) {
6393 dout(20) << "setting vals: " << dendl
;
6394 map
<string
,bufferlist
> to_set
;
6395 bufferlist::iterator pt
= to_set_bl
.begin();
6396 ::decode(to_set
, pt
);
6397 for (map
<string
, bufferlist
>::iterator i
= to_set
.begin();
6400 dout(20) << "\t" << i
->first
<< dendl
;
6403 t
->omap_setkeys(soid
, to_set_bl
);
6404 ctx
->delta_stats
.num_wr
++;
6406 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6407 obs
.oi
.clear_omap_digest();
6410 case CEPH_OSD_OP_OMAPSETHEADER
:
6411 tracepoint(osd
, do_osd_op_pre_omapsetheader
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6412 if (!pool
.info
.supports_omap()) {
6413 result
= -EOPNOTSUPP
;
6418 maybe_create_new_object(ctx
);
6419 t
->omap_setheader(soid
, osd_op
.indata
);
6420 ctx
->delta_stats
.num_wr
++;
6422 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6423 obs
.oi
.clear_omap_digest();
6426 case CEPH_OSD_OP_OMAPCLEAR
:
6427 tracepoint(osd
, do_osd_op_pre_omapclear
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6428 if (!pool
.info
.supports_omap()) {
6429 result
= -EOPNOTSUPP
;
6434 if (!obs
.exists
|| oi
.is_whiteout()) {
6439 t
->omap_clear(soid
);
6440 ctx
->delta_stats
.num_wr
++;
6441 obs
.oi
.clear_omap_digest();
6442 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
6447 case CEPH_OSD_OP_OMAPRMKEYS
:
6448 if (!pool
.info
.supports_omap()) {
6449 result
= -EOPNOTSUPP
;
6450 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6455 if (!obs
.exists
|| oi
.is_whiteout()) {
6457 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6460 bufferlist to_rm_bl
;
6462 decode_str_set_to_bl(bp
, &to_rm_bl
);
6464 catch (buffer::error
& e
) {
6466 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6469 tracepoint(osd
, do_osd_op_pre_omaprmkeys
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6470 t
->omap_rmkeys(soid
, to_rm_bl
);
6471 ctx
->delta_stats
.num_wr
++;
6473 obs
.oi
.clear_omap_digest();
6476 case CEPH_OSD_OP_COPY_GET
:
6478 tracepoint(osd
, do_osd_op_pre_copy_get
, soid
.oid
.name
.c_str(), soid
.snap
.val
);
6479 result
= fill_in_copy_get(ctx
, bp
, osd_op
, ctx
->obc
);
6482 case CEPH_OSD_OP_COPY_FROM
:
6486 object_locator_t src_oloc
;
6487 snapid_t src_snapid
= (uint64_t)op
.copy_from
.snapid
;
6488 version_t src_version
= op
.copy_from
.src_version
;
6490 ::decode(src_name
, bp
);
6491 ::decode(src_oloc
, bp
);
6493 catch (buffer::error
& e
) {
6496 do_osd_op_pre_copy_from
,
6497 soid
.oid
.name
.c_str(),
6509 do_osd_op_pre_copy_from
,
6510 soid
.oid
.name
.c_str(),
6512 src_name
.name
.c_str(),
6514 src_oloc
.key
.c_str(),
6515 src_oloc
.nspace
.c_str(),
6519 if (!ctx
->copy_cb
) {
6522 get_osdmap()->object_locator_to_pg(src_name
, src_oloc
, raw_pg
);
6523 hobject_t
src(src_name
, src_oloc
.key
, src_snapid
,
6524 raw_pg
.ps(), raw_pg
.pool(),
6527 dout(20) << " copy from self is invalid" << dendl
;
6531 CopyFromCallback
*cb
= new CopyFromCallback(ctx
);
6533 start_copy(cb
, ctx
->obc
, src
, src_oloc
, src_version
,
6536 op
.copy_from
.src_fadvise_flags
,
6538 result
= -EINPROGRESS
;
6541 assert(ctx
->copy_cb
->get_result() >= 0);
6542 finish_copyfrom(ctx
);
6549 tracepoint(osd
, do_osd_op_pre_unknown
, soid
.oid
.name
.c_str(), soid
.snap
.val
, op
.op
, ceph_osd_op_name(op
.op
));
6550 dout(1) << "unrecognized osd op " << op
.op
6551 << " " << ceph_osd_op_name(op
.op
)
6553 result
= -EOPNOTSUPP
;
6557 osd_op
.rval
= result
;
6558 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
);
6559 if (result
< 0 && (op
.flags
& CEPH_OSD_OP_FLAG_FAILOK
))
6568 int PrimaryLogPG::_get_tmap(OpContext
*ctx
, bufferlist
*header
, bufferlist
*vals
)
6570 if (ctx
->new_obs
.oi
.size
== 0) {
6571 dout(20) << "unable to get tmap for zero sized " << ctx
->new_obs
.oi
.soid
<< dendl
;
6574 vector
<OSDOp
> nops(1);
6575 OSDOp
&newop
= nops
[0];
6576 newop
.op
.op
= CEPH_OSD_OP_TMAPGET
;
6577 do_osd_ops(ctx
, nops
);
6579 bufferlist::iterator i
= newop
.outdata
.begin();
6580 ::decode(*header
, i
);
6581 (*vals
).substr_of(newop
.outdata
, i
.get_off(), i
.get_remaining());
6583 dout(20) << "unsuccessful at decoding tmap for " << ctx
->new_obs
.oi
.soid
6587 dout(20) << "successful at decoding tmap for " << ctx
->new_obs
.oi
.soid
6592 int PrimaryLogPG::_verify_no_head_clones(const hobject_t
& soid
,
6595 // verify that all clones have been evicted
6596 dout(20) << __func__
<< " verifying clones are absent "
6598 for (vector
<snapid_t
>::const_iterator p
= ss
.clones
.begin();
6599 p
!= ss
.clones
.end();
6601 hobject_t clone_oid
= soid
;
6602 clone_oid
.snap
= *p
;
6603 if (is_missing_object(clone_oid
))
6605 ObjectContextRef clone_obc
= get_object_context(clone_oid
, false);
6606 if (clone_obc
&& clone_obc
->obs
.exists
) {
6607 dout(10) << __func__
<< " cannot evict head before clone "
6608 << clone_oid
<< dendl
;
6611 if (copy_ops
.count(clone_oid
)) {
6612 dout(10) << __func__
<< " cannot evict head, pending promote on clone "
6613 << clone_oid
<< dendl
;
6620 inline int PrimaryLogPG::_delete_oid(
6622 bool no_whiteout
, // no whiteouts, no matter what.
6623 bool try_no_whiteout
) // try not to whiteout
6625 SnapSet
& snapset
= ctx
->new_snapset
;
6626 ObjectState
& obs
= ctx
->new_obs
;
6627 object_info_t
& oi
= obs
.oi
;
6628 const hobject_t
& soid
= oi
.soid
;
6629 PGTransaction
* t
= ctx
->op_t
.get();
6631 // cache: cache: set whiteout on delete?
6632 bool whiteout
= false;
6633 if (pool
.info
.cache_mode
!= pg_pool_t::CACHEMODE_NONE
6635 && !try_no_whiteout
) {
6639 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_LUMINOUS
) {
6641 // in luminous or later, we can't delete the head if there are
6642 // clones. we trust the caller passing no_whiteout has already
6643 // verified they don't exist.
6644 if (!snapset
.clones
.empty() ||
6645 (!ctx
->snapc
.snaps
.empty() && ctx
->snapc
.snaps
[0] > snapset
.seq
)) {
6647 dout(20) << __func__
<< " has or will have clones but no_whiteout=1"
6650 dout(20) << __func__
<< " has or will have clones; will whiteout"
6658 dout(20) << __func__
<< " " << soid
<< " whiteout=" << (int)whiteout
6659 << " no_whiteout=" << (int)no_whiteout
6660 << " try_no_whiteout=" << (int)try_no_whiteout
6662 if (!obs
.exists
|| (obs
.oi
.is_whiteout() && whiteout
))
6668 interval_set
<uint64_t> ch
;
6669 ch
.insert(0, oi
.size
);
6670 ctx
->modified_ranges
.union_of(ch
);
6673 ctx
->delta_stats
.num_wr
++;
6674 if (soid
.is_snap()) {
6675 assert(ctx
->obc
->ssc
->snapset
.clone_overlap
.count(soid
.snap
));
6676 ctx
->delta_stats
.num_bytes
-= ctx
->obc
->ssc
->snapset
.get_clone_bytes(soid
.snap
);
6678 ctx
->delta_stats
.num_bytes
-= oi
.size
;
6683 // disconnect all watchers
6684 for (map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator p
=
6685 oi
.watchers
.begin();
6686 p
!= oi
.watchers
.end();
6688 dout(20) << __func__
<< " will disconnect watcher " << p
->first
<< dendl
;
6689 ctx
->watch_disconnects
.push_back(
6690 watch_disconnect_t(p
->first
.first
, p
->first
.second
, true));
6692 oi
.watchers
.clear();
6695 dout(20) << __func__
<< " setting whiteout on " << soid
<< dendl
;
6696 oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
6697 ctx
->delta_stats
.num_whiteouts
++;
6699 osd
->logger
->inc(l_osd_tier_whiteout
);
6704 ctx
->delta_stats
.num_objects
--;
6706 ctx
->delta_stats
.num_object_clones
--;
6707 if (oi
.is_whiteout()) {
6708 dout(20) << __func__
<< " deleting whiteout on " << soid
<< dendl
;
6709 ctx
->delta_stats
.num_whiteouts
--;
6710 oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
6712 if (oi
.is_cache_pinned()) {
6713 ctx
->delta_stats
.num_objects_pinned
--;
6715 if ((legacy
|| snapset
.is_legacy()) && soid
.is_head()) {
6716 snapset
.head_exists
= false;
6722 int PrimaryLogPG::_rollback_to(OpContext
*ctx
, ceph_osd_op
& op
)
6724 SnapSet
& snapset
= ctx
->new_snapset
;
6725 ObjectState
& obs
= ctx
->new_obs
;
6726 object_info_t
& oi
= obs
.oi
;
6727 const hobject_t
& soid
= oi
.soid
;
6728 PGTransaction
* t
= ctx
->op_t
.get();
6729 snapid_t snapid
= (uint64_t)op
.snap
.snapid
;
6730 hobject_t missing_oid
;
6732 dout(10) << "_rollback_to " << soid
<< " snapid " << snapid
<< dendl
;
6734 ObjectContextRef rollback_to
;
6735 int ret
= find_object_context(
6736 hobject_t(soid
.oid
, soid
.get_key(), snapid
, soid
.get_hash(), info
.pgid
.pool(),
6737 soid
.get_namespace()),
6738 &rollback_to
, false, false, &missing_oid
);
6739 if (ret
== -EAGAIN
) {
6740 /* clone must be missing */
6741 assert(is_missing_object(missing_oid
));
6742 dout(20) << "_rollback_to attempted to roll back to a missing object "
6743 << missing_oid
<< " (requested snapid: ) " << snapid
<< dendl
;
6744 block_write_on_degraded_snap(missing_oid
, ctx
->op
);
6748 ObjectContextRef promote_obc
;
6749 cache_result_t tier_mode_result
;
6750 if (obs
.exists
&& obs
.oi
.has_manifest()) {
6752 maybe_handle_manifest_detail(
6758 maybe_handle_cache_detail(
6768 switch (tier_mode_result
) {
6769 case cache_result_t::NOOP
:
6771 case cache_result_t::BLOCKED_PROMOTE
:
6772 assert(promote_obc
);
6773 block_write_on_snap_rollback(soid
, promote_obc
, ctx
->op
);
6775 case cache_result_t::BLOCKED_FULL
:
6776 block_write_on_full_cache(soid
, ctx
->op
);
6779 assert(0 == "must promote was set, other values are not valid");
6784 if (ret
== -ENOENT
|| (rollback_to
&& rollback_to
->obs
.oi
.is_whiteout())) {
6785 // there's no snapshot here, or there's no object.
6786 // if there's no snapshot, we delete the object; otherwise, do nothing.
6787 dout(20) << "_rollback_to deleting head on " << soid
.oid
6788 << " because got ENOENT|whiteout on find_object_context" << dendl
;
6789 if (ctx
->obc
->obs
.oi
.watchers
.size()) {
6790 // Cannot delete an object with watchers
6793 _delete_oid(ctx
, false, false);
6797 // ummm....huh? It *can't* return anything else at time of writing.
6798 assert(0 == "unexpected error code in _rollback_to");
6799 } else { //we got our context, let's use it to do the rollback!
6800 hobject_t
& rollback_to_sobject
= rollback_to
->obs
.oi
.soid
;
6801 if (is_degraded_or_backfilling_object(rollback_to_sobject
)) {
6802 dout(20) << "_rollback_to attempted to roll back to a degraded object "
6803 << rollback_to_sobject
<< " (requested snapid: ) " << snapid
<< dendl
;
6804 block_write_on_degraded_snap(rollback_to_sobject
, ctx
->op
);
6806 } else if (rollback_to
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
) {
6807 // rolling back to the head; we just need to clone it.
6810 /* 1) Delete current head
6811 * 2) Clone correct snapshot into head
6812 * 3) Calculate clone_overlaps by following overlaps
6813 * forward from rollback snapshot */
6814 dout(10) << "_rollback_to deleting " << soid
.oid
6815 << " and rolling back to old snap" << dendl
;
6820 t
->clone(soid
, rollback_to_sobject
);
6821 snapset
.head_exists
= true;
6822 t
->add_obc(rollback_to
);
6824 map
<snapid_t
, interval_set
<uint64_t> >::iterator iter
=
6825 snapset
.clone_overlap
.lower_bound(snapid
);
6826 interval_set
<uint64_t> overlaps
= iter
->second
;
6827 assert(iter
!= snapset
.clone_overlap
.end());
6829 iter
!= snapset
.clone_overlap
.end();
6831 overlaps
.intersection_of(iter
->second
);
6833 if (obs
.oi
.size
> 0) {
6834 interval_set
<uint64_t> modified
;
6835 modified
.insert(0, obs
.oi
.size
);
6836 overlaps
.intersection_of(modified
);
6837 modified
.subtract(overlaps
);
6838 ctx
->modified_ranges
.union_of(modified
);
6841 // Adjust the cached objectcontext
6842 maybe_create_new_object(ctx
, true);
6843 ctx
->delta_stats
.num_bytes
-= obs
.oi
.size
;
6844 ctx
->delta_stats
.num_bytes
+= rollback_to
->obs
.oi
.size
;
6845 obs
.oi
.size
= rollback_to
->obs
.oi
.size
;
6846 if (rollback_to
->obs
.oi
.is_data_digest())
6847 obs
.oi
.set_data_digest(rollback_to
->obs
.oi
.data_digest
);
6849 obs
.oi
.clear_data_digest();
6850 if (rollback_to
->obs
.oi
.is_omap_digest())
6851 obs
.oi
.set_omap_digest(rollback_to
->obs
.oi
.omap_digest
);
6853 obs
.oi
.clear_omap_digest();
6855 if (rollback_to
->obs
.oi
.is_omap()) {
6856 dout(10) << __func__
<< " setting omap flag on " << obs
.oi
.soid
<< dendl
;
6857 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
6859 dout(10) << __func__
<< " clearing omap flag on " << obs
.oi
.soid
<< dendl
;
6860 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
6863 snapset
.head_exists
= true;
6869 void PrimaryLogPG::_make_clone(
6872 ObjectContextRef obc
,
6873 const hobject_t
& head
, const hobject_t
& coid
,
6877 ::encode(*poi
, bv
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
6879 t
->clone(coid
, head
);
6880 setattr_maybe_cache(obc
, ctx
, t
, OI_ATTR
, bv
);
6881 rmattr_maybe_cache(obc
, ctx
, t
, SS_ATTR
);
6884 void PrimaryLogPG::make_writeable(OpContext
*ctx
)
6886 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
6887 SnapContext
& snapc
= ctx
->snapc
;
6890 assert(soid
.snap
== CEPH_NOSNAP
);
6891 dout(20) << "make_writeable " << soid
<< " snapset=" << ctx
->new_snapset
6892 << " snapc=" << snapc
<< dendl
;
6894 bool was_dirty
= ctx
->obc
->obs
.oi
.is_dirty();
6895 if (ctx
->new_obs
.exists
) {
6896 // we will mark the object dirty
6897 if (ctx
->undirty
&& was_dirty
) {
6898 dout(20) << " clearing DIRTY flag" << dendl
;
6899 assert(ctx
->new_obs
.oi
.is_dirty());
6900 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
6901 --ctx
->delta_stats
.num_objects_dirty
;
6902 osd
->logger
->inc(l_osd_tier_clean
);
6903 } else if (!was_dirty
&& !ctx
->undirty
) {
6904 dout(20) << " setting DIRTY flag" << dendl
;
6905 ctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_DIRTY
);
6906 ++ctx
->delta_stats
.num_objects_dirty
;
6907 osd
->logger
->inc(l_osd_tier_dirty
);
6911 dout(20) << " deletion, decrementing num_dirty and clearing flag" << dendl
;
6912 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
6913 --ctx
->delta_stats
.num_objects_dirty
;
6917 if ((ctx
->new_obs
.exists
&&
6918 ctx
->new_obs
.oi
.is_omap()) &&
6919 (!ctx
->obc
->obs
.exists
||
6920 !ctx
->obc
->obs
.oi
.is_omap())) {
6921 ++ctx
->delta_stats
.num_objects_omap
;
6923 if ((!ctx
->new_obs
.exists
||
6924 !ctx
->new_obs
.oi
.is_omap()) &&
6925 (ctx
->obc
->obs
.exists
&&
6926 ctx
->obc
->obs
.oi
.is_omap())) {
6927 --ctx
->delta_stats
.num_objects_omap
;
6931 if (ctx
->new_snapset
.seq
> snapc
.seq
) {
6932 snapc
.seq
= ctx
->new_snapset
.seq
;
6933 snapc
.snaps
= ctx
->new_snapset
.snaps
;
6934 filter_snapc(snapc
.snaps
);
6935 dout(10) << " using newer snapc " << snapc
<< dendl
;
6938 if ((ctx
->obs
->exists
&& !ctx
->obs
->oi
.is_whiteout()) && // head exist(ed)
6939 snapc
.snaps
.size() && // there are snaps
6940 !ctx
->cache_evict
&&
6941 snapc
.snaps
[0] > ctx
->new_snapset
.seq
) { // existing object is old
6943 hobject_t coid
= soid
;
6944 coid
.snap
= snapc
.seq
;
6947 for (l
=1; l
<snapc
.snaps
.size() && snapc
.snaps
[l
] > ctx
->new_snapset
.seq
; l
++) ;
6949 vector
<snapid_t
> snaps(l
);
6950 for (unsigned i
=0; i
<l
; i
++)
6951 snaps
[i
] = snapc
.snaps
[i
];
6954 object_info_t
static_snap_oi(coid
);
6955 object_info_t
*snap_oi
;
6957 ctx
->clone_obc
= object_contexts
.lookup_or_create(static_snap_oi
.soid
);
6958 ctx
->clone_obc
->destructor_callback
= new C_PG_ObjectContext(this, ctx
->clone_obc
.get());
6959 ctx
->clone_obc
->obs
.oi
= static_snap_oi
;
6960 ctx
->clone_obc
->obs
.exists
= true;
6961 ctx
->clone_obc
->ssc
= ctx
->obc
->ssc
;
6962 ctx
->clone_obc
->ssc
->ref
++;
6963 if (pool
.info
.require_rollback())
6964 ctx
->clone_obc
->attr_cache
= ctx
->obc
->attr_cache
;
6965 snap_oi
= &ctx
->clone_obc
->obs
.oi
;
6966 bool got
= ctx
->lock_manager
.get_write_greedy(
6971 dout(20) << " got greedy write on clone_obc " << *ctx
->clone_obc
<< dendl
;
6973 snap_oi
= &static_snap_oi
;
6975 snap_oi
->version
= ctx
->at_version
;
6976 snap_oi
->prior_version
= ctx
->obs
->oi
.version
;
6977 snap_oi
->copy_user_bits(ctx
->obs
->oi
);
6979 bool legacy
= ctx
->new_snapset
.is_legacy() ||
6980 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
6982 snap_oi
->legacy_snaps
= snaps
;
6985 _make_clone(ctx
, ctx
->op_t
.get(), ctx
->clone_obc
, soid
, coid
, snap_oi
);
6987 ctx
->delta_stats
.num_objects
++;
6988 if (snap_oi
->is_dirty()) {
6989 ctx
->delta_stats
.num_objects_dirty
++;
6990 osd
->logger
->inc(l_osd_tier_dirty
);
6992 if (snap_oi
->is_omap())
6993 ctx
->delta_stats
.num_objects_omap
++;
6994 if (snap_oi
->is_cache_pinned())
6995 ctx
->delta_stats
.num_objects_pinned
++;
6996 ctx
->delta_stats
.num_object_clones
++;
6997 ctx
->new_snapset
.clones
.push_back(coid
.snap
);
6998 ctx
->new_snapset
.clone_size
[coid
.snap
] = ctx
->obs
->oi
.size
;
7000 ctx
->new_snapset
.clone_snaps
[coid
.snap
] = snaps
;
7003 // clone_overlap should contain an entry for each clone
7004 // (an empty interval_set if there is no overlap)
7005 ctx
->new_snapset
.clone_overlap
[coid
.snap
];
7006 if (ctx
->obs
->oi
.size
)
7007 ctx
->new_snapset
.clone_overlap
[coid
.snap
].insert(0, ctx
->obs
->oi
.size
);
7010 dout(10) << " cloning v " << ctx
->obs
->oi
.version
7011 << " to " << coid
<< " v " << ctx
->at_version
7012 << " snaps=" << snaps
7013 << " snapset=" << ctx
->new_snapset
<< dendl
;
7014 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::CLONE
, coid
, ctx
->at_version
,
7015 ctx
->obs
->oi
.version
,
7016 ctx
->obs
->oi
.user_version
,
7017 osd_reqid_t(), ctx
->new_obs
.oi
.mtime
, 0));
7018 ::encode(snaps
, ctx
->log
.back().snaps
);
7020 ctx
->at_version
.version
++;
7023 // update most recent clone_overlap and usage stats
7024 if (ctx
->new_snapset
.clones
.size() > 0) {
7025 /* we need to check whether the most recent clone exists, if it's been evicted,
7026 * it's not included in the stats */
7027 hobject_t last_clone_oid
= soid
;
7028 last_clone_oid
.snap
= ctx
->new_snapset
.clone_overlap
.rbegin()->first
;
7029 if (is_present_clone(last_clone_oid
)) {
7030 interval_set
<uint64_t> &newest_overlap
= ctx
->new_snapset
.clone_overlap
.rbegin()->second
;
7031 ctx
->modified_ranges
.intersection_of(newest_overlap
);
7032 // modified_ranges is still in use by the clone
7033 add_interval_usage(ctx
->modified_ranges
, ctx
->delta_stats
);
7034 newest_overlap
.subtract(ctx
->modified_ranges
);
7038 // update snapset with latest snap context
7039 ctx
->new_snapset
.seq
= snapc
.seq
;
7040 ctx
->new_snapset
.snaps
= snapc
.snaps
;
7041 if (get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
) {
7042 // pessimistic assumption that this is a net-new legacy SnapSet
7043 ctx
->delta_stats
.num_legacy_snapsets
++;
7044 ctx
->new_snapset
.head_exists
= ctx
->new_obs
.exists
;
7045 } else if (ctx
->new_snapset
.is_legacy()) {
7046 ctx
->new_snapset
.head_exists
= ctx
->new_obs
.exists
;
7048 dout(20) << "make_writeable " << soid
7049 << " done, snapset=" << ctx
->new_snapset
<< dendl
;
7053 void PrimaryLogPG::write_update_size_and_usage(object_stat_sum_t
& delta_stats
, object_info_t
& oi
,
7054 interval_set
<uint64_t>& modified
, uint64_t offset
,
7055 uint64_t length
, bool write_full
)
7057 interval_set
<uint64_t> ch
;
7060 ch
.insert(0, oi
.size
);
7062 ch
.insert(offset
, length
);
7063 modified
.union_of(ch
);
7064 if (write_full
|| offset
+ length
> oi
.size
) {
7065 uint64_t new_size
= offset
+ length
;
7066 delta_stats
.num_bytes
-= oi
.size
;
7067 delta_stats
.num_bytes
+= new_size
;
7070 delta_stats
.num_wr
++;
7071 delta_stats
.num_wr_kb
+= SHIFT_ROUND_UP(length
, 10);
7074 void PrimaryLogPG::add_interval_usage(interval_set
<uint64_t>& s
, object_stat_sum_t
& delta_stats
)
7076 for (interval_set
<uint64_t>::const_iterator p
= s
.begin(); p
!= s
.end(); ++p
) {
7077 delta_stats
.num_bytes
+= p
.get_len();
7081 void PrimaryLogPG::complete_disconnect_watches(
7082 ObjectContextRef obc
,
7083 const list
<watch_disconnect_t
> &to_disconnect
)
7085 for (list
<watch_disconnect_t
>::const_iterator i
=
7086 to_disconnect
.begin();
7087 i
!= to_disconnect
.end();
7089 pair
<uint64_t, entity_name_t
> watcher(i
->cookie
, i
->name
);
7090 auto watchers_entry
= obc
->watchers
.find(watcher
);
7091 if (watchers_entry
!= obc
->watchers
.end()) {
7092 WatchRef watch
= watchers_entry
->second
;
7093 dout(10) << "do_osd_op_effects disconnect watcher " << watcher
<< dendl
;
7094 obc
->watchers
.erase(watcher
);
7095 watch
->remove(i
->send_disconnect
);
7097 dout(10) << "do_osd_op_effects disconnect failed to find watcher "
7098 << watcher
<< dendl
;
7103 void PrimaryLogPG::do_osd_op_effects(OpContext
*ctx
, const ConnectionRef
& conn
)
7105 entity_name_t entity
= ctx
->reqid
.name
;
7106 dout(15) << "do_osd_op_effects " << entity
<< " con " << conn
.get() << dendl
;
7108 // disconnects first
7109 complete_disconnect_watches(ctx
->obc
, ctx
->watch_disconnects
);
7113 boost::intrusive_ptr
<Session
> session((Session
*)conn
->get_priv());
7116 session
->put(); // get_priv() takes a ref, and so does the intrusive_ptr
7118 for (list
<pair
<watch_info_t
,bool> >::iterator i
= ctx
->watch_connects
.begin();
7119 i
!= ctx
->watch_connects
.end();
7121 pair
<uint64_t, entity_name_t
> watcher(i
->first
.cookie
, entity
);
7122 dout(15) << "do_osd_op_effects applying watch connect on session "
7123 << session
.get() << " watcher " << watcher
<< dendl
;
7125 if (ctx
->obc
->watchers
.count(watcher
)) {
7126 dout(15) << "do_osd_op_effects found existing watch watcher " << watcher
7128 watch
= ctx
->obc
->watchers
[watcher
];
7130 dout(15) << "do_osd_op_effects new watcher " << watcher
7132 watch
= Watch::makeWatchRef(
7133 this, osd
, ctx
->obc
, i
->first
.timeout_seconds
,
7134 i
->first
.cookie
, entity
, conn
->get_peer_addr());
7135 ctx
->obc
->watchers
.insert(
7140 watch
->connect(conn
, i
->second
);
7143 for (list
<notify_info_t
>::iterator p
= ctx
->notifies
.begin();
7144 p
!= ctx
->notifies
.end();
7146 dout(10) << "do_osd_op_effects, notify " << *p
<< dendl
;
7147 ConnectionRef
conn(ctx
->op
->get_req()->get_connection());
7149 Notify::makeNotifyRef(
7151 ctx
->reqid
.name
.num(),
7156 ctx
->obc
->obs
.oi
.user_version
,
7158 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator i
=
7159 ctx
->obc
->watchers
.begin();
7160 i
!= ctx
->obc
->watchers
.end();
7162 dout(10) << "starting notify on watch " << i
->first
<< dendl
;
7163 i
->second
->start_notify(notif
);
7168 for (list
<OpContext::NotifyAck
>::iterator p
= ctx
->notify_acks
.begin();
7169 p
!= ctx
->notify_acks
.end();
7171 if (p
->watch_cookie
)
7172 dout(10) << "notify_ack " << make_pair(p
->watch_cookie
.get(), p
->notify_id
) << dendl
;
7174 dout(10) << "notify_ack " << make_pair("NULL", p
->notify_id
) << dendl
;
7175 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator i
=
7176 ctx
->obc
->watchers
.begin();
7177 i
!= ctx
->obc
->watchers
.end();
7179 if (i
->first
.second
!= entity
) continue;
7180 if (p
->watch_cookie
&&
7181 p
->watch_cookie
.get() != i
->first
.first
) continue;
7182 dout(10) << "acking notify on watch " << i
->first
<< dendl
;
7183 i
->second
->notify_ack(p
->notify_id
, p
->reply_bl
);
7188 hobject_t
PrimaryLogPG::generate_temp_object(const hobject_t
& target
)
7191 ss
<< "temp_" << info
.pgid
<< "_" << get_role()
7192 << "_" << osd
->monc
->get_global_id() << "_" << (++temp_seq
);
7193 hobject_t hoid
= target
.make_temp_hobject(ss
.str());
7194 dout(20) << __func__
<< " " << hoid
<< dendl
;
7198 hobject_t
PrimaryLogPG::get_temp_recovery_object(
7199 const hobject_t
& target
,
7203 ss
<< "temp_recovering_" << info
.pgid
// (note this includes the shardid)
7205 << "_" << info
.history
.same_interval_since
7206 << "_" << target
.snap
;
7207 // pgid + version + interval + snapid is unique, and short
7208 hobject_t hoid
= target
.make_temp_hobject(ss
.str());
7209 dout(20) << __func__
<< " " << hoid
<< dendl
;
7213 int PrimaryLogPG::prepare_transaction(OpContext
*ctx
)
7215 assert(!ctx
->ops
.empty());
7217 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7219 // valid snap context?
7220 if (!ctx
->snapc
.is_valid()) {
7221 dout(10) << " invalid snapc " << ctx
->snapc
<< dendl
;
7225 // prepare the actual mutation
7226 int result
= do_osd_ops(ctx
, ctx
->ops
);
7228 if (ctx
->op
->may_write() &&
7229 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
7230 // need to save the error code in the pg log, to detect dup ops,
7231 // but do nothing else
7232 ctx
->update_log_only
= true;
7237 // read-op? write-op noop? done?
7238 if (ctx
->op_t
->empty() && !ctx
->modify
) {
7239 unstable_stats
.add(ctx
->delta_stats
);
7240 if (ctx
->op
->may_write() &&
7241 get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
7242 ctx
->update_log_only
= true;
7248 if ((ctx
->delta_stats
.num_bytes
> 0 ||
7249 ctx
->delta_stats
.num_objects
> 0) && // FIXME: keys?
7250 (pool
.info
.has_flag(pg_pool_t::FLAG_FULL
) ||
7251 get_osdmap()->test_flag(CEPH_OSDMAP_FULL
))) {
7252 const MOSDOp
*m
= static_cast<const MOSDOp
*>(ctx
->op
->get_req());
7253 if (ctx
->reqid
.name
.is_mds() || // FIXME: ignore MDS for now
7254 m
->has_flag(CEPH_OSD_FLAG_FULL_FORCE
)) {
7255 dout(20) << __func__
<< " full, but proceeding due to FULL_FORCE or MDS"
7257 } else if (m
->has_flag(CEPH_OSD_FLAG_FULL_TRY
)) {
7258 // they tried, they failed.
7259 dout(20) << __func__
<< " full, replying to FULL_TRY op" << dendl
;
7260 return pool
.info
.has_flag(pg_pool_t::FLAG_FULL
) ? -EDQUOT
: -ENOSPC
;
7263 dout(20) << __func__
<< " full, dropping request (bad client)" << dendl
;
7268 // clone, if necessary
7269 if (soid
.snap
== CEPH_NOSNAP
)
7270 make_writeable(ctx
);
7273 ctx
->new_obs
.exists
? pg_log_entry_t::MODIFY
:
7274 pg_log_entry_t::DELETE
);
7279 void PrimaryLogPG::finish_ctx(OpContext
*ctx
, int log_op_type
, bool maintain_ssc
)
7281 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
7282 dout(20) << __func__
<< " " << soid
<< " " << ctx
7283 << " op " << pg_log_entry_t::get_op_name(log_op_type
)
7285 utime_t now
= ceph_clock_now();
7290 if (soid
.snap
== CEPH_NOSNAP
&& maintain_ssc
) {
7291 ::encode(ctx
->new_snapset
, bss
);
7292 assert(ctx
->new_obs
.exists
== ctx
->new_snapset
.head_exists
||
7293 !ctx
->new_snapset
.is_legacy());
7295 if (ctx
->new_obs
.exists
) {
7296 if (!ctx
->obs
->exists
) {
7297 if (ctx
->snapset_obc
&& ctx
->snapset_obc
->obs
.exists
) {
7298 hobject_t snapoid
= soid
.get_snapdir();
7299 dout(10) << " removing unneeded snapdir " << snapoid
<< dendl
;
7300 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::DELETE
, snapoid
,
7302 ctx
->snapset_obc
->obs
.oi
.version
,
7303 0, osd_reqid_t(), ctx
->mtime
, 0));
7304 ctx
->op_t
->remove(snapoid
);
7306 ctx
->at_version
.version
++;
7308 ctx
->snapset_obc
->obs
.exists
= false;
7311 } else if (!ctx
->new_snapset
.clones
.empty() &&
7312 !ctx
->cache_evict
&&
7313 !ctx
->new_snapset
.head_exists
&&
7314 (!ctx
->snapset_obc
|| !ctx
->snapset_obc
->obs
.exists
)) {
7315 // save snapset on _snap
7316 hobject_t
snapoid(soid
.oid
, soid
.get_key(), CEPH_SNAPDIR
, soid
.get_hash(),
7317 info
.pgid
.pool(), soid
.get_namespace());
7318 dout(10) << " final snapset " << ctx
->new_snapset
7319 << " in " << snapoid
<< dendl
;
7320 assert(get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
);
7321 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::MODIFY
, snapoid
,
7324 0, osd_reqid_t(), ctx
->mtime
, 0));
7326 if (!ctx
->snapset_obc
)
7327 ctx
->snapset_obc
= get_object_context(snapoid
, true);
7329 if (ctx
->lock_type
== ObjectContext::RWState::RWWRITE
) {
7330 got
= ctx
->lock_manager
.get_write_greedy(
7335 assert(ctx
->lock_type
== ObjectContext::RWState::RWEXCL
);
7336 got
= ctx
->lock_manager
.get_lock_type(
7337 ObjectContext::RWState::RWEXCL
,
7343 dout(20) << " got greedy write on snapset_obc " << *ctx
->snapset_obc
<< dendl
;
7344 ctx
->snapset_obc
->obs
.exists
= true;
7345 ctx
->snapset_obc
->obs
.oi
.version
= ctx
->at_version
;
7346 ctx
->snapset_obc
->obs
.oi
.last_reqid
= ctx
->reqid
;
7347 ctx
->snapset_obc
->obs
.oi
.mtime
= ctx
->mtime
;
7348 ctx
->snapset_obc
->obs
.oi
.local_mtime
= now
;
7350 map
<string
, bufferlist
> attrs
;
7351 bufferlist
bv(sizeof(ctx
->new_obs
.oi
));
7352 ::encode(ctx
->snapset_obc
->obs
.oi
, bv
,
7353 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7354 ctx
->op_t
->create(snapoid
);
7355 attrs
[OI_ATTR
].claim(bv
);
7356 attrs
[SS_ATTR
].claim(bss
);
7357 setattrs_maybe_cache(ctx
->snapset_obc
, ctx
, ctx
->op_t
.get(), attrs
);
7358 ctx
->at_version
.version
++;
7362 // finish and log the op.
7363 if (ctx
->user_modify
) {
7364 // update the user_version for any modify ops, except for the watch op
7365 ctx
->user_at_version
= MAX(info
.last_user_version
, ctx
->new_obs
.oi
.user_version
) + 1;
7366 /* In order for new clients and old clients to interoperate properly
7367 * when exchanging versions, we need to lower bound the user_version
7368 * (which our new clients pay proper attention to)
7369 * by the at_version (which is all the old clients can ever see). */
7370 if (ctx
->at_version
.version
> ctx
->user_at_version
)
7371 ctx
->user_at_version
= ctx
->at_version
.version
;
7372 ctx
->new_obs
.oi
.user_version
= ctx
->user_at_version
;
7374 ctx
->bytes_written
= ctx
->op_t
->get_bytes_written();
7376 if (ctx
->new_obs
.exists
) {
7377 // on the head object
7378 ctx
->new_obs
.oi
.version
= ctx
->at_version
;
7379 ctx
->new_obs
.oi
.prior_version
= ctx
->obs
->oi
.version
;
7380 ctx
->new_obs
.oi
.last_reqid
= ctx
->reqid
;
7381 if (ctx
->mtime
!= utime_t()) {
7382 ctx
->new_obs
.oi
.mtime
= ctx
->mtime
;
7383 dout(10) << " set mtime to " << ctx
->new_obs
.oi
.mtime
<< dendl
;
7384 ctx
->new_obs
.oi
.local_mtime
= now
;
7386 dout(10) << " mtime unchanged at " << ctx
->new_obs
.oi
.mtime
<< dendl
;
7389 map
<string
, bufferlist
> attrs
;
7390 bufferlist
bv(sizeof(ctx
->new_obs
.oi
));
7391 ::encode(ctx
->new_obs
.oi
, bv
,
7392 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
7393 attrs
[OI_ATTR
].claim(bv
);
7395 if (soid
.snap
== CEPH_NOSNAP
) {
7396 dout(10) << " final snapset " << ctx
->new_snapset
7397 << " in " << soid
<< dendl
;
7398 attrs
[SS_ATTR
].claim(bss
);
7400 dout(10) << " no snapset (this is a clone)" << dendl
;
7402 ctx
->op_t
->setattrs(soid
, attrs
);
7404 ctx
->new_obs
.oi
= object_info_t(ctx
->obc
->obs
.oi
.soid
);
7407 bool legacy_snapset
= ctx
->new_snapset
.is_legacy() ||
7408 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
7411 ctx
->log
.push_back(pg_log_entry_t(log_op_type
, soid
, ctx
->at_version
,
7412 ctx
->obs
->oi
.version
,
7413 ctx
->user_at_version
, ctx
->reqid
,
7415 if (soid
.snap
< CEPH_NOSNAP
) {
7416 switch (log_op_type
) {
7417 case pg_log_entry_t::MODIFY
:
7418 case pg_log_entry_t::PROMOTE
:
7419 case pg_log_entry_t::CLEAN
:
7420 if (legacy_snapset
) {
7421 dout(20) << __func__
<< " encoding legacy_snaps "
7422 << ctx
->new_obs
.oi
.legacy_snaps
7424 ::encode(ctx
->new_obs
.oi
.legacy_snaps
, ctx
->log
.back().snaps
);
7426 dout(20) << __func__
<< " encoding snaps from " << ctx
->new_snapset
7428 ::encode(ctx
->new_snapset
.clone_snaps
[soid
.snap
], ctx
->log
.back().snaps
);
7436 if (!ctx
->extra_reqids
.empty()) {
7437 dout(20) << __func__
<< " extra_reqids " << ctx
->extra_reqids
<< dendl
;
7438 ctx
->log
.back().extra_reqids
.swap(ctx
->extra_reqids
);
7441 // apply new object state.
7442 ctx
->obc
->obs
= ctx
->new_obs
;
7444 if (soid
.is_head() && !ctx
->obc
->obs
.exists
&&
7445 (!maintain_ssc
|| ctx
->cache_evict
)) {
7446 ctx
->obc
->ssc
->exists
= false;
7447 ctx
->obc
->ssc
->snapset
= SnapSet();
7449 ctx
->obc
->ssc
->exists
= true;
7450 ctx
->obc
->ssc
->snapset
= ctx
->new_snapset
;
7454 void PrimaryLogPG::apply_stats(
7455 const hobject_t
&soid
,
7456 const object_stat_sum_t
&delta_stats
) {
7458 info
.stats
.stats
.add(delta_stats
);
7460 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
7461 i
!= backfill_targets
.end();
7464 pg_info_t
& pinfo
= peer_info
[bt
];
7465 if (soid
<= pinfo
.last_backfill
)
7466 pinfo
.stats
.stats
.add(delta_stats
);
7467 else if (soid
<= last_backfill_started
)
7468 pending_backfill_updates
[soid
].stats
.add(delta_stats
);
7471 if (is_primary() && scrubber
.active
) {
7472 if (soid
< scrubber
.start
) {
7473 dout(20) << __func__
<< " " << soid
<< " < [" << scrubber
.start
7474 << "," << scrubber
.end
<< ")" << dendl
;
7475 scrub_cstat
.add(delta_stats
);
7477 dout(20) << __func__
<< " " << soid
<< " >= [" << scrubber
.start
7478 << "," << scrubber
.end
<< ")" << dendl
;
7483 void PrimaryLogPG::complete_read_ctx(int result
, OpContext
*ctx
)
7485 const MOSDOp
*m
= static_cast<const MOSDOp
*>(ctx
->op
->get_req());
7486 assert(ctx
->async_reads_complete());
7488 for (vector
<OSDOp
>::iterator p
= ctx
->ops
.begin();
7489 p
!= ctx
->ops
.end() && result
>= 0; ++p
) {
7490 if (p
->rval
< 0 && !(p
->op
.flags
& CEPH_OSD_OP_FLAG_FAILOK
)) {
7494 ctx
->bytes_read
+= p
->outdata
.length();
7496 ctx
->reply
->claim_op_out_data(ctx
->ops
);
7497 ctx
->reply
->get_header().data_off
= ctx
->data_off
;
7499 MOSDOpReply
*reply
= ctx
->reply
;
7500 ctx
->reply
= nullptr;
7503 if (!ctx
->ignore_log_op_stats
) {
7505 publish_stats_to_osd();
7508 // on read, return the current object version
7510 reply
->set_reply_versions(eversion_t(), ctx
->obs
->oi
.user_version
);
7512 reply
->set_reply_versions(eversion_t(), ctx
->user_at_version
);
7514 } else if (result
== -ENOENT
) {
7515 // on ENOENT, set a floor for what the next user version will be.
7516 reply
->set_enoent_reply_versions(info
.last_update
, info
.last_user_version
);
7519 reply
->set_result(result
);
7520 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
7521 osd
->send_message_osd_client(reply
, m
->get_connection());
7525 // ========================================================================
7528 struct C_Copyfrom
: public Context
{
7531 epoch_t last_peering_reset
;
7533 PrimaryLogPG::CopyOpRef cop
;
7534 C_Copyfrom(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
,
7535 const PrimaryLogPG::CopyOpRef
& c
)
7536 : pg(p
), oid(o
), last_peering_reset(lpr
),
7539 void finish(int r
) override
{
7540 if (r
== -ECANCELED
)
7543 if (last_peering_reset
== pg
->get_last_peering_reset()) {
7544 pg
->process_copy_chunk(oid
, tid
, r
);
7550 struct C_CopyFrom_AsyncReadCb
: public Context
{
7552 object_copy_data_t reply_obj
;
7555 C_CopyFrom_AsyncReadCb(OSDOp
*osd_op
, uint64_t features
) :
7556 osd_op(osd_op
), features(features
), len(0) {}
7557 void finish(int r
) override
{
7559 assert(len
<= reply_obj
.data
.length());
7561 bl
.substr_of(reply_obj
.data
, 0, len
);
7562 reply_obj
.data
.swap(bl
);
7563 ::encode(reply_obj
, osd_op
->outdata
, features
);
7567 int PrimaryLogPG::fill_in_copy_get(
7569 bufferlist::iterator
& bp
,
7571 ObjectContextRef
&obc
)
7573 object_info_t
& oi
= obc
->obs
.oi
;
7574 hobject_t
& soid
= oi
.soid
;
7576 object_copy_cursor_t cursor
;
7579 ::decode(cursor
, bp
);
7580 ::decode(out_max
, bp
);
7582 catch (buffer::error
& e
) {
7587 const MOSDOp
*op
= reinterpret_cast<const MOSDOp
*>(ctx
->op
->get_req());
7588 uint64_t features
= op
->get_features();
7590 bool async_read_started
= false;
7591 object_copy_data_t _reply_obj
;
7592 C_CopyFrom_AsyncReadCb
*cb
= NULL
;
7593 if (pool
.info
.require_rollback()) {
7594 cb
= new C_CopyFrom_AsyncReadCb(&osd_op
, features
);
7596 object_copy_data_t
&reply_obj
= cb
? cb
->reply_obj
: _reply_obj
;
7598 reply_obj
.size
= oi
.size
;
7599 reply_obj
.mtime
= oi
.mtime
;
7601 if (soid
.snap
< CEPH_NOSNAP
) {
7602 if (obc
->ssc
->snapset
.is_legacy()) {
7603 reply_obj
.snaps
= oi
.legacy_snaps
;
7605 auto p
= obc
->ssc
->snapset
.clone_snaps
.find(soid
.snap
);
7606 assert(p
!= obc
->ssc
->snapset
.clone_snaps
.end()); // warn?
7607 reply_obj
.snaps
= p
->second
;
7610 reply_obj
.snap_seq
= obc
->ssc
->snapset
.seq
;
7612 if (oi
.is_data_digest()) {
7613 reply_obj
.flags
|= object_copy_data_t::FLAG_DATA_DIGEST
;
7614 reply_obj
.data_digest
= oi
.data_digest
;
7616 if (oi
.is_omap_digest()) {
7617 reply_obj
.flags
|= object_copy_data_t::FLAG_OMAP_DIGEST
;
7618 reply_obj
.omap_digest
= oi
.omap_digest
;
7620 reply_obj
.truncate_seq
= oi
.truncate_seq
;
7621 reply_obj
.truncate_size
= oi
.truncate_size
;
7624 map
<string
,bufferlist
>& out_attrs
= reply_obj
.attrs
;
7625 if (!cursor
.attr_complete
) {
7626 result
= getattrs_maybe_cache(
7636 cursor
.attr_complete
= true;
7637 dout(20) << " got attrs" << dendl
;
7640 int64_t left
= out_max
- osd_op
.outdata
.length();
7643 bufferlist
& bl
= reply_obj
.data
;
7644 if (left
> 0 && !cursor
.data_complete
) {
7645 if (cursor
.data_offset
< oi
.size
) {
7646 uint64_t max_read
= MIN(oi
.size
- cursor
.data_offset
, (uint64_t)left
);
7648 async_read_started
= true;
7649 ctx
->pending_async_reads
.push_back(
7651 boost::make_tuple(cursor
.data_offset
, max_read
, osd_op
.op
.flags
),
7652 make_pair(&bl
, cb
)));
7656 result
= pgbackend
->objects_read_sync(
7657 oi
.soid
, cursor
.data_offset
, left
, osd_op
.op
.flags
, &bl
);
7661 assert(result
<= left
);
7663 cursor
.data_offset
+= result
;
7665 if (cursor
.data_offset
== oi
.size
) {
7666 cursor
.data_complete
= true;
7667 dout(20) << " got data" << dendl
;
7669 assert(cursor
.data_offset
<= oi
.size
);
7673 uint32_t omap_keys
= 0;
7674 if (!pool
.info
.supports_omap() || !oi
.is_omap()) {
7675 cursor
.omap_complete
= true;
7677 if (left
> 0 && !cursor
.omap_complete
) {
7678 assert(cursor
.data_complete
);
7679 if (cursor
.omap_offset
.empty()) {
7680 osd
->store
->omap_get_header(ch
, ghobject_t(oi
.soid
),
7681 &reply_obj
.omap_header
);
7683 bufferlist omap_data
;
7684 ObjectMap::ObjectMapIterator iter
=
7685 osd
->store
->get_omap_iterator(coll
, ghobject_t(oi
.soid
));
7687 iter
->upper_bound(cursor
.omap_offset
);
7688 for (; iter
->valid(); iter
->next(false)) {
7690 ::encode(iter
->key(), omap_data
);
7691 ::encode(iter
->value(), omap_data
);
7692 left
-= iter
->key().length() + 4 + iter
->value().length() + 4;
7697 ::encode(omap_keys
, reply_obj
.omap_data
);
7698 reply_obj
.omap_data
.claim_append(omap_data
);
7700 if (iter
->valid()) {
7701 cursor
.omap_offset
= iter
->key();
7703 cursor
.omap_complete
= true;
7704 dout(20) << " got omap" << dendl
;
7709 if (cursor
.is_complete()) {
7710 // include reqids only in the final step. this is a bit fragile
7712 pg_log
.get_log().get_object_reqids(ctx
->obc
->obs
.oi
.soid
, 10, &reply_obj
.reqids
);
7713 dout(20) << " got reqids" << dendl
;
7716 dout(20) << " cursor.is_complete=" << cursor
.is_complete()
7717 << " " << out_attrs
.size() << " attrs"
7718 << " " << bl
.length() << " bytes"
7719 << " " << reply_obj
.omap_header
.length() << " omap header bytes"
7720 << " " << reply_obj
.omap_data
.length() << " omap data bytes in "
7721 << omap_keys
<< " keys"
7722 << " " << reply_obj
.reqids
.size() << " reqids"
7724 reply_obj
.cursor
= cursor
;
7725 if (!async_read_started
) {
7726 ::encode(reply_obj
, osd_op
.outdata
, features
);
7728 if (cb
&& !async_read_started
) {
7735 void PrimaryLogPG::fill_in_copy_get_noent(OpRequestRef
& op
, hobject_t oid
,
7738 // NOTE: we take non-const ref here for claim_op_out_data below; we must
7739 // be careful not to modify anything else that will upset a racing
7741 MOSDOp
*m
= static_cast<MOSDOp
*>(op
->get_nonconst_req());
7742 uint64_t features
= m
->get_features();
7743 object_copy_data_t reply_obj
;
7745 pg_log
.get_log().get_object_reqids(oid
, 10, &reply_obj
.reqids
);
7746 dout(20) << __func__
<< " got reqids " << reply_obj
.reqids
<< dendl
;
7747 ::encode(reply_obj
, osd_op
.outdata
, features
);
7748 osd_op
.rval
= -ENOENT
;
7749 MOSDOpReply
*reply
= new MOSDOpReply(m
, 0, get_osdmap()->get_epoch(), 0, false);
7750 reply
->claim_op_out_data(m
->ops
);
7751 reply
->set_result(-ENOENT
);
7752 reply
->add_flags(CEPH_OSD_FLAG_ACK
| CEPH_OSD_FLAG_ONDISK
);
7753 osd
->send_message_osd_client(reply
, m
->get_connection());
7756 void PrimaryLogPG::start_copy(CopyCallback
*cb
, ObjectContextRef obc
,
7757 hobject_t src
, object_locator_t oloc
,
7758 version_t version
, unsigned flags
,
7759 bool mirror_snapset
,
7760 unsigned src_obj_fadvise_flags
,
7761 unsigned dest_obj_fadvise_flags
)
7763 const hobject_t
& dest
= obc
->obs
.oi
.soid
;
7764 dout(10) << __func__
<< " " << dest
7765 << " from " << src
<< " " << oloc
<< " v" << version
7766 << " flags " << flags
7767 << (mirror_snapset
? " mirror_snapset" : "")
7770 assert(!mirror_snapset
|| (src
.snap
== CEPH_NOSNAP
||
7771 src
.snap
== CEPH_SNAPDIR
));
7773 // cancel a previous in-progress copy?
7774 if (copy_ops
.count(dest
)) {
7775 // FIXME: if the src etc match, we could avoid restarting from the
7777 CopyOpRef cop
= copy_ops
[dest
];
7778 cancel_copy(cop
, false);
7781 CopyOpRef
cop(std::make_shared
<CopyOp
>(cb
, obc
, src
, oloc
, version
, flags
,
7782 mirror_snapset
, src_obj_fadvise_flags
,
7783 dest_obj_fadvise_flags
));
7784 copy_ops
[dest
] = cop
;
7787 _copy_some(obc
, cop
);
7790 void PrimaryLogPG::_copy_some(ObjectContextRef obc
, CopyOpRef cop
)
7792 dout(10) << __func__
<< " " << obc
<< " " << cop
<< dendl
;
7795 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_FLUSH
)
7796 flags
|= CEPH_OSD_FLAG_FLUSH
;
7797 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
)
7798 flags
|= CEPH_OSD_FLAG_IGNORE_CACHE
;
7799 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
)
7800 flags
|= CEPH_OSD_FLAG_IGNORE_OVERLAY
;
7801 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
)
7802 flags
|= CEPH_OSD_FLAG_MAP_SNAP_CLONE
;
7803 if (cop
->flags
& CEPH_OSD_COPY_FROM_FLAG_RWORDERED
)
7804 flags
|= CEPH_OSD_FLAG_RWORDERED
;
7806 C_GatherBuilder
gather(cct
);
7808 if (cop
->cursor
.is_initial() && cop
->mirror_snapset
) {
7810 assert(cop
->src
.snap
== CEPH_NOSNAP
);
7812 op
.list_snaps(&cop
->results
.snapset
, NULL
);
7813 ceph_tid_t tid
= osd
->objecter
->read(cop
->src
.oid
, cop
->oloc
, op
,
7815 flags
, gather
.new_sub(), NULL
);
7816 cop
->objecter_tid2
= tid
;
7820 if (cop
->results
.user_version
) {
7821 op
.assert_version(cop
->results
.user_version
);
7823 // we should learn the version after the first chunk, if we didn't know
7825 assert(cop
->cursor
.is_initial());
7827 op
.copy_get(&cop
->cursor
, get_copy_chunk_size(),
7828 &cop
->results
.object_size
, &cop
->results
.mtime
,
7829 &cop
->attrs
, &cop
->data
, &cop
->omap_header
, &cop
->omap_data
,
7830 &cop
->results
.snaps
, &cop
->results
.snap_seq
,
7831 &cop
->results
.flags
,
7832 &cop
->results
.source_data_digest
,
7833 &cop
->results
.source_omap_digest
,
7834 &cop
->results
.reqids
,
7835 &cop
->results
.truncate_seq
,
7836 &cop
->results
.truncate_size
,
7838 op
.set_last_op_flags(cop
->src_obj_fadvise_flags
);
7840 C_Copyfrom
*fin
= new C_Copyfrom(this, obc
->obs
.oi
.soid
,
7841 get_last_peering_reset(), cop
);
7842 gather
.set_finisher(new C_OnFinisher(fin
,
7843 &osd
->objecter_finisher
));
7845 ceph_tid_t tid
= osd
->objecter
->read(cop
->src
.oid
, cop
->oloc
, op
,
7846 cop
->src
.snap
, NULL
,
7849 // discover the object version if we don't know it yet
7850 cop
->results
.user_version
? NULL
: &cop
->results
.user_version
);
7852 cop
->objecter_tid
= tid
;
7856 void PrimaryLogPG::process_copy_chunk(hobject_t oid
, ceph_tid_t tid
, int r
)
7858 dout(10) << __func__
<< " " << oid
<< " tid " << tid
7859 << " " << cpp_strerror(r
) << dendl
;
7860 map
<hobject_t
,CopyOpRef
>::iterator p
= copy_ops
.find(oid
);
7861 if (p
== copy_ops
.end()) {
7862 dout(10) << __func__
<< " no copy_op found" << dendl
;
7865 CopyOpRef cop
= p
->second
;
7866 if (tid
!= cop
->objecter_tid
) {
7867 dout(10) << __func__
<< " tid " << tid
<< " != cop " << cop
7868 << " tid " << cop
->objecter_tid
<< dendl
;
7872 if (cop
->omap_data
.length() || cop
->omap_header
.length())
7873 cop
->results
.has_omap
= true;
7875 if (r
>= 0 && !pool
.info
.supports_omap() &&
7876 (cop
->omap_data
.length() || cop
->omap_header
.length())) {
7879 cop
->objecter_tid
= 0;
7880 cop
->objecter_tid2
= 0; // assume this ordered before us (if it happened)
7881 ObjectContextRef
& cobc
= cop
->obc
;
7886 assert(cop
->rval
>= 0);
7888 if (oid
.snap
< CEPH_NOSNAP
&& !cop
->results
.snaps
.empty()) {
7889 // verify snap hasn't been deleted
7890 vector
<snapid_t
>::iterator p
= cop
->results
.snaps
.begin();
7891 while (p
!= cop
->results
.snaps
.end()) {
7892 if (pool
.info
.is_removed_snap(*p
)) {
7893 dout(10) << __func__
<< " clone snap " << *p
<< " has been deleted"
7895 for (vector
<snapid_t
>::iterator q
= p
+ 1;
7896 q
!= cop
->results
.snaps
.end();
7899 cop
->results
.snaps
.resize(cop
->results
.snaps
.size() - 1);
7904 if (cop
->results
.snaps
.empty()) {
7905 dout(10) << __func__
<< " no more snaps for " << oid
<< dendl
;
7911 assert(cop
->rval
>= 0);
7913 if (!cop
->temp_cursor
.data_complete
) {
7914 cop
->results
.data_digest
= cop
->data
.crc32c(cop
->results
.data_digest
);
7916 if (pool
.info
.supports_omap() && !cop
->temp_cursor
.omap_complete
) {
7917 if (cop
->omap_header
.length()) {
7918 cop
->results
.omap_digest
=
7919 cop
->omap_header
.crc32c(cop
->results
.omap_digest
);
7921 if (cop
->omap_data
.length()) {
7923 keys
.substr_of(cop
->omap_data
, 4, cop
->omap_data
.length() - 4);
7924 cop
->results
.omap_digest
= keys
.crc32c(cop
->results
.omap_digest
);
7928 if (!cop
->temp_cursor
.attr_complete
) {
7929 for (map
<string
,bufferlist
>::iterator p
= cop
->attrs
.begin();
7930 p
!= cop
->attrs
.end();
7932 cop
->results
.attrs
[string("_") + p
->first
] = p
->second
;
7937 if (!cop
->cursor
.is_complete()) {
7938 // write out what we have so far
7939 if (cop
->temp_cursor
.is_initial()) {
7940 assert(!cop
->results
.started_temp_obj
);
7941 cop
->results
.started_temp_obj
= true;
7942 cop
->results
.temp_oid
= generate_temp_object(oid
);
7943 dout(20) << __func__
<< " using temp " << cop
->results
.temp_oid
<< dendl
;
7945 ObjectContextRef tempobc
= get_object_context(cop
->results
.temp_oid
, true);
7946 OpContextUPtr ctx
= simple_opc_create(tempobc
);
7947 if (cop
->temp_cursor
.is_initial()) {
7948 ctx
->new_temp_oid
= cop
->results
.temp_oid
;
7950 _write_copy_chunk(cop
, ctx
->op_t
.get());
7951 simple_opc_submit(std::move(ctx
));
7952 dout(10) << __func__
<< " fetching more" << dendl
;
7953 _copy_some(cobc
, cop
);
7958 if (cop
->results
.is_data_digest() || cop
->results
.is_omap_digest()) {
7959 dout(20) << __func__
<< std::hex
7960 << " got digest: rx data 0x" << cop
->results
.data_digest
7961 << " omap 0x" << cop
->results
.omap_digest
7962 << ", source: data 0x" << cop
->results
.source_data_digest
7963 << " omap 0x" << cop
->results
.source_omap_digest
7965 << " flags " << cop
->results
.flags
7968 if (cop
->results
.is_data_digest() &&
7969 cop
->results
.data_digest
!= cop
->results
.source_data_digest
) {
7970 derr
<< __func__
<< std::hex
<< " data digest 0x" << cop
->results
.data_digest
7971 << " != source 0x" << cop
->results
.source_data_digest
<< std::dec
7973 osd
->clog
->error() << info
.pgid
<< " copy from " << cop
->src
7974 << " to " << cop
->obc
->obs
.oi
.soid
<< std::hex
7975 << " data digest 0x" << cop
->results
.data_digest
7976 << " != source 0x" << cop
->results
.source_data_digest
7981 if (cop
->results
.is_omap_digest() &&
7982 cop
->results
.omap_digest
!= cop
->results
.source_omap_digest
) {
7983 derr
<< __func__
<< std::hex
7984 << " omap digest 0x" << cop
->results
.omap_digest
7985 << " != source 0x" << cop
->results
.source_omap_digest
7986 << std::dec
<< dendl
;
7987 osd
->clog
->error() << info
.pgid
<< " copy from " << cop
->src
7988 << " to " << cop
->obc
->obs
.oi
.soid
<< std::hex
7989 << " omap digest 0x" << cop
->results
.omap_digest
7990 << " != source 0x" << cop
->results
.source_omap_digest
7995 if (cct
->_conf
->osd_debug_inject_copyfrom_error
) {
7996 derr
<< __func__
<< " injecting copyfrom failure" << dendl
;
8001 cop
->results
.fill_in_final_tx
= std::function
<void(PGTransaction
*)>(
8002 [this, &cop
/* avoid ref cycle */](PGTransaction
*t
) {
8003 ObjectState
& obs
= cop
->obc
->obs
;
8004 if (cop
->temp_cursor
.is_initial()) {
8005 dout(20) << "fill_in_final_tx: writing "
8006 << "directly to final object" << dendl
;
8007 // write directly to final object
8008 cop
->results
.temp_oid
= obs
.oi
.soid
;
8009 _write_copy_chunk(cop
, t
);
8011 // finish writing to temp object, then move into place
8012 dout(20) << "fill_in_final_tx: writing to temp object" << dendl
;
8013 _write_copy_chunk(cop
, t
);
8014 t
->rename(obs
.oi
.soid
, cop
->results
.temp_oid
);
8016 t
->setattrs(obs
.oi
.soid
, cop
->results
.attrs
);
8019 dout(20) << __func__
<< " success; committing" << dendl
;
8022 dout(20) << __func__
<< " complete r = " << cpp_strerror(r
) << dendl
;
8023 CopyCallbackResults
results(r
, &cop
->results
);
8024 cop
->cb
->complete(results
);
8026 copy_ops
.erase(cobc
->obs
.oi
.soid
);
8029 if (r
< 0 && cop
->results
.started_temp_obj
) {
8030 dout(10) << __func__
<< " deleting partial temp object "
8031 << cop
->results
.temp_oid
<< dendl
;
8032 ObjectContextRef tempobc
= get_object_context(cop
->results
.temp_oid
, true);
8033 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8034 ctx
->op_t
->remove(cop
->results
.temp_oid
);
8035 ctx
->discard_temp_oid
= cop
->results
.temp_oid
;
8036 simple_opc_submit(std::move(ctx
));
8039 // cancel and requeue proxy ops on this object
8041 for (map
<ceph_tid_t
, ProxyReadOpRef
>::iterator it
= proxyread_ops
.begin();
8042 it
!= proxyread_ops
.end();) {
8043 if (it
->second
->soid
== cobc
->obs
.oi
.soid
) {
8044 cancel_proxy_read((it
++)->second
);
8049 for (map
<ceph_tid_t
, ProxyWriteOpRef
>::iterator it
= proxywrite_ops
.begin();
8050 it
!= proxywrite_ops
.end();) {
8051 if (it
->second
->soid
== cobc
->obs
.oi
.soid
) {
8052 cancel_proxy_write((it
++)->second
);
8057 kick_proxy_ops_blocked(cobc
->obs
.oi
.soid
);
8060 kick_object_context_blocked(cobc
);
8063 void PrimaryLogPG::_write_copy_chunk(CopyOpRef cop
, PGTransaction
*t
)
8065 dout(20) << __func__
<< " " << cop
8066 << " " << cop
->attrs
.size() << " attrs"
8067 << " " << cop
->data
.length() << " bytes"
8068 << " " << cop
->omap_header
.length() << " omap header bytes"
8069 << " " << cop
->omap_data
.length() << " omap data bytes"
8071 if (!cop
->temp_cursor
.attr_complete
) {
8072 t
->create(cop
->results
.temp_oid
);
8074 if (!cop
->temp_cursor
.data_complete
) {
8075 assert(cop
->data
.length() + cop
->temp_cursor
.data_offset
==
8076 cop
->cursor
.data_offset
);
8077 if (pool
.info
.requires_aligned_append() &&
8078 !cop
->cursor
.data_complete
) {
8080 * Trim off the unaligned bit at the end, we'll adjust cursor.data_offset
8081 * to pick it up on the next pass.
8083 assert(cop
->temp_cursor
.data_offset
%
8084 pool
.info
.required_alignment() == 0);
8085 if (cop
->data
.length() % pool
.info
.required_alignment() != 0) {
8087 cop
->data
.length() % pool
.info
.required_alignment();
8089 bl
.substr_of(cop
->data
, 0, cop
->data
.length() - to_trim
);
8091 cop
->cursor
.data_offset
-= to_trim
;
8092 assert(cop
->data
.length() + cop
->temp_cursor
.data_offset
==
8093 cop
->cursor
.data_offset
);
8096 if (cop
->data
.length()) {
8098 cop
->results
.temp_oid
,
8099 cop
->temp_cursor
.data_offset
,
8102 cop
->dest_obj_fadvise_flags
);
8106 if (pool
.info
.supports_omap()) {
8107 if (!cop
->temp_cursor
.omap_complete
) {
8108 if (cop
->omap_header
.length()) {
8110 cop
->results
.temp_oid
,
8112 cop
->omap_header
.clear();
8114 if (cop
->omap_data
.length()) {
8115 map
<string
,bufferlist
> omap
;
8116 bufferlist::iterator p
= cop
->omap_data
.begin();
8118 t
->omap_setkeys(cop
->results
.temp_oid
, omap
);
8119 cop
->omap_data
.clear();
8123 assert(cop
->omap_header
.length() == 0);
8124 assert(cop
->omap_data
.length() == 0);
8126 cop
->temp_cursor
= cop
->cursor
;
8129 void PrimaryLogPG::finish_copyfrom(OpContext
*ctx
)
8131 dout(20) << "finish_copyfrom on " << ctx
->obs
->oi
.soid
<< dendl
;
8132 ObjectState
& obs
= ctx
->new_obs
;
8133 CopyFromCallback
*cb
= static_cast<CopyFromCallback
*>(ctx
->copy_cb
);
8136 dout(20) << __func__
<< ": exists, removing" << dendl
;
8137 ctx
->op_t
->remove(obs
.oi
.soid
);
8139 ctx
->delta_stats
.num_objects
++;
8142 if (cb
->is_temp_obj_used()) {
8143 ctx
->discard_temp_oid
= cb
->results
->temp_oid
;
8145 cb
->results
->fill_in_final_tx(ctx
->op_t
.get());
8147 // CopyFromCallback fills this in for us
8148 obs
.oi
.user_version
= ctx
->user_at_version
;
8150 obs
.oi
.set_data_digest(cb
->results
->data_digest
);
8151 obs
.oi
.set_omap_digest(cb
->results
->omap_digest
);
8153 obs
.oi
.truncate_seq
= cb
->results
->truncate_seq
;
8154 obs
.oi
.truncate_size
= cb
->results
->truncate_size
;
8156 ctx
->extra_reqids
= cb
->results
->reqids
;
8158 // cache: clear whiteout?
8159 if (obs
.oi
.is_whiteout()) {
8160 dout(10) << __func__
<< " clearing whiteout on " << obs
.oi
.soid
<< dendl
;
8161 obs
.oi
.clear_flag(object_info_t::FLAG_WHITEOUT
);
8162 --ctx
->delta_stats
.num_whiteouts
;
8165 if (cb
->results
->has_omap
) {
8166 dout(10) << __func__
<< " setting omap flag on " << obs
.oi
.soid
<< dendl
;
8167 obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
8169 dout(10) << __func__
<< " clearing omap flag on " << obs
.oi
.soid
<< dendl
;
8170 obs
.oi
.clear_flag(object_info_t::FLAG_OMAP
);
8173 interval_set
<uint64_t> ch
;
8174 if (obs
.oi
.size
> 0)
8175 ch
.insert(0, obs
.oi
.size
);
8176 ctx
->modified_ranges
.union_of(ch
);
8178 if (cb
->get_data_size() != obs
.oi
.size
) {
8179 ctx
->delta_stats
.num_bytes
-= obs
.oi
.size
;
8180 obs
.oi
.size
= cb
->get_data_size();
8181 ctx
->delta_stats
.num_bytes
+= obs
.oi
.size
;
8183 ctx
->delta_stats
.num_wr
++;
8184 ctx
->delta_stats
.num_wr_kb
+= SHIFT_ROUND_UP(obs
.oi
.size
, 10);
8186 osd
->logger
->inc(l_osd_copyfrom
);
8189 void PrimaryLogPG::finish_promote(int r
, CopyResults
*results
,
8190 ObjectContextRef obc
)
8192 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
8193 dout(10) << __func__
<< " " << soid
<< " r=" << r
8194 << " uv" << results
->user_version
<< dendl
;
8196 if (r
== -ECANCELED
) {
8200 if (r
!= -ENOENT
&& soid
.is_snap()) {
8201 if (results
->snaps
.empty()) {
8202 // we must have read "snap" content from the head object in
8203 // the base pool. use snap_seq to construct what snaps should
8204 // be for this clone (what is was before we evicted the clean
8205 // clone from this pool, and what it will be when we flush and
8206 // the clone eventually happens in the base pool).
8207 SnapSet
& snapset
= obc
->ssc
->snapset
;
8208 vector
<snapid_t
>::iterator p
= snapset
.snaps
.begin();
8209 while (p
!= snapset
.snaps
.end() && *p
> soid
.snap
)
8211 while (p
!= snapset
.snaps
.end() && *p
> results
->snap_seq
) {
8212 results
->snaps
.push_back(*p
);
8217 dout(20) << __func__
<< " snaps " << results
->snaps
<< dendl
;
8218 filter_snapc(results
->snaps
);
8220 dout(20) << __func__
<< " filtered snaps " << results
->snaps
<< dendl
;
8221 if (results
->snaps
.empty()) {
8222 dout(20) << __func__
8223 << " snaps are empty, clone is invalid,"
8224 << " setting r to ENOENT" << dendl
;
8229 if (r
< 0 && results
->started_temp_obj
) {
8230 dout(10) << __func__
<< " abort; will clean up partial work" << dendl
;
8231 ObjectContextRef tempobc
= get_object_context(results
->temp_oid
, false);
8233 OpContextUPtr ctx
= simple_opc_create(tempobc
);
8234 ctx
->op_t
->remove(results
->temp_oid
);
8235 simple_opc_submit(std::move(ctx
));
8236 results
->started_temp_obj
= false;
8239 if (r
== -ENOENT
&& soid
.is_snap()) {
8240 dout(10) << __func__
8241 << ": enoent while trying to promote clone, " << soid
8242 << " must have been trimmed, removing from snapset"
8244 hobject_t
head(soid
.get_head());
8245 ObjectContextRef obc
= get_object_context(head
, false);
8248 OpContextUPtr tctx
= simple_opc_create(obc
);
8249 tctx
->at_version
= get_next_version();
8250 filter_snapc(tctx
->new_snapset
.snaps
);
8251 vector
<snapid_t
> new_clones
;
8252 map
<snapid_t
, vector
<snapid_t
>> new_clone_snaps
;
8253 for (vector
<snapid_t
>::iterator i
= tctx
->new_snapset
.clones
.begin();
8254 i
!= tctx
->new_snapset
.clones
.end();
8256 if (*i
!= soid
.snap
) {
8257 new_clones
.push_back(*i
);
8258 auto p
= tctx
->new_snapset
.clone_snaps
.find(*i
);
8259 if (p
!= tctx
->new_snapset
.clone_snaps
.end()) {
8260 new_clone_snaps
[*i
] = p
->second
;
8264 tctx
->new_snapset
.clones
.swap(new_clones
);
8265 tctx
->new_snapset
.clone_overlap
.erase(soid
.snap
);
8266 tctx
->new_snapset
.clone_size
.erase(soid
.snap
);
8267 tctx
->new_snapset
.clone_snaps
.swap(new_clone_snaps
);
8269 // take RWWRITE lock for duration of our local write. ignore starvation.
8270 if (!tctx
->lock_manager
.take_write_lock(
8273 assert(0 == "problem!");
8275 dout(20) << __func__
<< " took lock on obc, " << obc
->rwstate
<< dendl
;
8277 finish_ctx(tctx
.get(), pg_log_entry_t::PROMOTE
);
8279 simple_opc_submit(std::move(tctx
));
8283 bool whiteout
= false;
8285 assert(soid
.snap
== CEPH_NOSNAP
); // snap case is above
8286 dout(10) << __func__
<< " whiteout " << soid
<< dendl
;
8290 if (r
< 0 && !whiteout
) {
8291 derr
<< __func__
<< " unexpected promote error " << cpp_strerror(r
) << dendl
;
8292 // pass error to everyone blocked on this object
8293 // FIXME: this is pretty sloppy, but at this point we got
8294 // something unexpected and don't have many other options.
8295 map
<hobject_t
,list
<OpRequestRef
>>::iterator blocked_iter
=
8296 waiting_for_blocked_object
.find(soid
);
8297 if (blocked_iter
!= waiting_for_blocked_object
.end()) {
8298 while (!blocked_iter
->second
.empty()) {
8299 osd
->reply_op_error(blocked_iter
->second
.front(), r
);
8300 blocked_iter
->second
.pop_front();
8302 waiting_for_blocked_object
.erase(blocked_iter
);
8307 osd
->promote_finish(results
->object_size
);
8309 OpContextUPtr tctx
= simple_opc_create(obc
);
8310 tctx
->at_version
= get_next_version();
8312 ++tctx
->delta_stats
.num_objects
;
8313 if (soid
.snap
< CEPH_NOSNAP
)
8314 ++tctx
->delta_stats
.num_object_clones
;
8315 tctx
->new_obs
.exists
= true;
8317 tctx
->extra_reqids
= results
->reqids
;
8319 bool legacy_snapset
= tctx
->new_snapset
.is_legacy() ||
8320 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
;
8323 // create a whiteout
8324 tctx
->op_t
->create(soid
);
8325 tctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
8326 ++tctx
->delta_stats
.num_whiteouts
;
8327 dout(20) << __func__
<< " creating whiteout on " << soid
<< dendl
;
8328 osd
->logger
->inc(l_osd_tier_whiteout
);
8330 if (results
->has_omap
) {
8331 dout(10) << __func__
<< " setting omap flag on " << soid
<< dendl
;
8332 tctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_OMAP
);
8333 ++tctx
->delta_stats
.num_objects_omap
;
8336 results
->fill_in_final_tx(tctx
->op_t
.get());
8337 if (results
->started_temp_obj
) {
8338 tctx
->discard_temp_oid
= results
->temp_oid
;
8340 tctx
->new_obs
.oi
.size
= results
->object_size
;
8341 tctx
->new_obs
.oi
.user_version
= results
->user_version
;
8342 // Don't care src object whether have data or omap digest
8343 if (results
->object_size
)
8344 tctx
->new_obs
.oi
.set_data_digest(results
->data_digest
);
8345 if (results
->has_omap
)
8346 tctx
->new_obs
.oi
.set_omap_digest(results
->omap_digest
);
8347 tctx
->new_obs
.oi
.truncate_seq
= results
->truncate_seq
;
8348 tctx
->new_obs
.oi
.truncate_size
= results
->truncate_size
;
8350 if (soid
.snap
!= CEPH_NOSNAP
) {
8351 if (legacy_snapset
) {
8352 tctx
->new_obs
.oi
.legacy_snaps
= results
->snaps
;
8353 assert(!tctx
->new_obs
.oi
.legacy_snaps
.empty());
8355 // it's already in the snapset
8356 assert(obc
->ssc
->snapset
.clone_snaps
.count(soid
.snap
));
8358 assert(obc
->ssc
->snapset
.clone_size
.count(soid
.snap
));
8359 assert(obc
->ssc
->snapset
.clone_size
[soid
.snap
] ==
8360 results
->object_size
);
8361 assert(obc
->ssc
->snapset
.clone_overlap
.count(soid
.snap
));
8363 tctx
->delta_stats
.num_bytes
+= obc
->ssc
->snapset
.get_clone_bytes(soid
.snap
);
8365 tctx
->delta_stats
.num_bytes
+= results
->object_size
;
8369 if (results
->mirror_snapset
) {
8370 assert(tctx
->new_obs
.oi
.soid
.snap
== CEPH_NOSNAP
);
8371 tctx
->new_snapset
.from_snap_set(
8373 get_osdmap()->require_osd_release
< CEPH_RELEASE_LUMINOUS
);
8375 tctx
->new_snapset
.head_exists
= true;
8376 dout(20) << __func__
<< " new_snapset " << tctx
->new_snapset
<< dendl
;
8378 // take RWWRITE lock for duration of our local write. ignore starvation.
8379 if (!tctx
->lock_manager
.take_write_lock(
8382 assert(0 == "problem!");
8384 dout(20) << __func__
<< " took lock on obc, " << obc
->rwstate
<< dendl
;
8386 finish_ctx(tctx
.get(), pg_log_entry_t::PROMOTE
);
8388 simple_opc_submit(std::move(tctx
));
8390 osd
->logger
->inc(l_osd_tier_promote
);
8393 agent_state
->is_idle())
8394 agent_choose_mode();
8397 void PrimaryLogPG::cancel_copy(CopyOpRef cop
, bool requeue
)
8399 dout(10) << __func__
<< " " << cop
->obc
->obs
.oi
.soid
8400 << " from " << cop
->src
<< " " << cop
->oloc
8401 << " v" << cop
->results
.user_version
<< dendl
;
8403 // cancel objecter op, if we can
8404 if (cop
->objecter_tid
) {
8405 osd
->objecter
->op_cancel(cop
->objecter_tid
, -ECANCELED
);
8406 cop
->objecter_tid
= 0;
8407 if (cop
->objecter_tid2
) {
8408 osd
->objecter
->op_cancel(cop
->objecter_tid2
, -ECANCELED
);
8409 cop
->objecter_tid2
= 0;
8413 copy_ops
.erase(cop
->obc
->obs
.oi
.soid
);
8414 cop
->obc
->stop_block();
8416 kick_object_context_blocked(cop
->obc
);
8417 cop
->results
.should_requeue
= requeue
;
8418 CopyCallbackResults
result(-ECANCELED
, &cop
->results
);
8419 cop
->cb
->complete(result
);
8421 // There may still be an objecter callback referencing this copy op.
8422 // That callback will not need the obc since it's been canceled, and
8423 // we need the obc reference to go away prior to flush.
8424 cop
->obc
= ObjectContextRef();
8427 void PrimaryLogPG::cancel_copy_ops(bool requeue
)
8429 dout(10) << __func__
<< dendl
;
8430 map
<hobject_t
,CopyOpRef
>::iterator p
= copy_ops
.begin();
8431 while (p
!= copy_ops
.end()) {
8432 // requeue this op? can I queue up all of them?
8433 cancel_copy((p
++)->second
, requeue
);
8438 // ========================================================================
8441 // Flush a dirty object in the cache tier by writing it back to the
8442 // base tier. The sequence looks like:
8444 // * send a copy-from operation to the base tier to copy the current
8445 // version of the object
8446 // * base tier will pull the object via (perhaps multiple) copy-get(s)
8447 // * on completion, we check if the object has been modified. if so,
8448 // just reply with -EAGAIN.
8449 // * try to take a write lock so we can clear the dirty flag. if this
8450 // fails, wait and retry
8451 // * start a repop that clears the bit.
8453 // If we have to wait, we will retry by coming back through the
8454 // start_flush method. We check if a flush is already in progress
8455 // and, if so, try to finish it by rechecking the version and trying
8456 // to clear the dirty bit.
8458 // In order for the cache-flush (a write op) to not block the copy-get
8459 // from reading the object, the client *must* set the SKIPRWLOCKS
8462 // NOTE: normally writes are strictly ordered for the client, but
8463 // flushes are special in that they can be reordered with respect to
8464 // other writes. In particular, we can't have a flush request block
8465 // an update to the cache pool object!
8467 struct C_Flush
: public Context
{
8470 epoch_t last_peering_reset
;
8473 C_Flush(PrimaryLogPG
*p
, hobject_t o
, epoch_t lpr
)
8474 : pg(p
), oid(o
), last_peering_reset(lpr
),
8475 tid(0), start(ceph_clock_now())
8477 void finish(int r
) override
{
8478 if (r
== -ECANCELED
)
8481 if (last_peering_reset
== pg
->get_last_peering_reset()) {
8482 pg
->finish_flush(oid
, tid
, r
);
8483 pg
->osd
->logger
->tinc(l_osd_tier_flush_lat
, ceph_clock_now() - start
);
8489 int PrimaryLogPG::start_flush(
8490 OpRequestRef op
, ObjectContextRef obc
,
8491 bool blocking
, hobject_t
*pmissing
,
8492 boost::optional
<std::function
<void()>> &&on_flush
)
8494 const object_info_t
& oi
= obc
->obs
.oi
;
8495 const hobject_t
& soid
= oi
.soid
;
8496 dout(10) << __func__
<< " " << soid
8497 << " v" << oi
.version
8498 << " uv" << oi
.user_version
8499 << " " << (blocking
? "blocking" : "non-blocking/best-effort")
8502 // get a filtered snapset, need to remove removed snaps
8503 SnapSet snapset
= obc
->ssc
->snapset
.get_filtered(pool
.info
);
8505 // verify there are no (older) check for dirty clones
8507 dout(20) << " snapset " << snapset
<< dendl
;
8508 vector
<snapid_t
>::reverse_iterator p
= snapset
.clones
.rbegin();
8509 while (p
!= snapset
.clones
.rend() && *p
>= soid
.snap
)
8511 if (p
!= snapset
.clones
.rend()) {
8512 hobject_t next
= soid
;
8514 assert(next
.snap
< soid
.snap
);
8515 if (pg_log
.get_missing().is_missing(next
)) {
8516 dout(10) << __func__
<< " missing clone is " << next
<< dendl
;
8521 ObjectContextRef older_obc
= get_object_context(next
, false);
8523 dout(20) << __func__
<< " next oldest clone is " << older_obc
->obs
.oi
8525 if (older_obc
->obs
.oi
.is_dirty()) {
8526 dout(10) << __func__
<< " next oldest clone is dirty: "
8527 << older_obc
->obs
.oi
<< dendl
;
8531 dout(20) << __func__
<< " next oldest clone " << next
8532 << " is not present; implicitly clean" << dendl
;
8535 dout(20) << __func__
<< " no older clones" << dendl
;
8542 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(soid
);
8543 if (p
!= flush_ops
.end()) {
8544 FlushOpRef fop
= p
->second
;
8545 if (fop
->op
== op
) {
8546 // we couldn't take the write lock on a cache-try-flush before;
8547 // now we are trying again for the lock.
8548 return try_flush_mark_clean(fop
);
8550 if (fop
->flushed_version
== obc
->obs
.oi
.user_version
&&
8551 (fop
->blocking
|| !blocking
)) {
8552 // nonblocking can join anything
8553 // blocking can only join a blocking flush
8554 dout(20) << __func__
<< " piggybacking on existing flush " << dendl
;
8556 fop
->dup_ops
.push_back(op
);
8557 return -EAGAIN
; // clean up this ctx; op will retry later
8560 // cancel current flush since it will fail anyway, or because we
8561 // are blocking and the existing flush is nonblocking.
8562 dout(20) << __func__
<< " canceling previous flush; it will fail" << dendl
;
8564 osd
->reply_op_error(fop
->op
, -EBUSY
);
8565 while (!fop
->dup_ops
.empty()) {
8566 osd
->reply_op_error(fop
->dup_ops
.front(), -EBUSY
);
8567 fop
->dup_ops
.pop_front();
8569 cancel_flush(fop
, false);
8573 * In general, we need to send a delete and a copyfrom.
8574 * Consider snapc 10:[10, 9, 8, 4, 3, 2]:[10(10, 9), 4(4,3,2)]
8575 * where 4 is marked as clean. To flush 10, we have to:
8576 * 1) delete 4:[4,3,2] -- Logically, the object does not exist after 4
8577 * 2) copyfrom 8:[8,4,3,2] -- flush object after snap 8
8579 * There is a complicating case. Supposed there had been a clone 7
8580 * for snaps [7, 6] which has been trimmed since they no longer exist.
8581 * In the base pool, we'd have 5:[4,3,2]:[4(4,3,2)]+head. When we submit
8582 * the delete, the snap will be promoted to 5, and the head will become
8583 * a snapdir. When the copy-from goes through, we'll end up with
8584 * 8:[8,4,3,2]:[4(4,3,2)]+head.
8586 * Another complication is the case where there is an interval change
8587 * after doing the delete and the flush but before marking the object
8588 * clean. We'll happily delete head and then recreate it at the same
8589 * sequence number, which works out ok.
8592 SnapContext snapc
, dsnapc
;
8593 if (snapset
.seq
!= 0) {
8594 if (soid
.snap
== CEPH_NOSNAP
) {
8595 snapc
.seq
= snapset
.seq
;
8596 snapc
.snaps
= snapset
.snaps
;
8598 snapid_t min_included_snap
;
8599 if (snapset
.is_legacy()) {
8600 min_included_snap
= oi
.legacy_snaps
.back();
8602 auto p
= snapset
.clone_snaps
.find(soid
.snap
);
8603 assert(p
!= snapset
.clone_snaps
.end());
8604 min_included_snap
= p
->second
.back();
8606 snapc
= snapset
.get_ssc_as_of(min_included_snap
- 1);
8609 snapid_t prev_snapc
= 0;
8610 for (vector
<snapid_t
>::reverse_iterator citer
= snapset
.clones
.rbegin();
8611 citer
!= snapset
.clones
.rend();
8613 if (*citer
< soid
.snap
) {
8614 prev_snapc
= *citer
;
8619 dsnapc
= snapset
.get_ssc_as_of(prev_snapc
);
8622 object_locator_t
base_oloc(soid
);
8623 base_oloc
.pool
= pool
.info
.tier_of
;
8625 if (dsnapc
.seq
< snapc
.seq
) {
8628 osd
->objecter
->mutate(
8633 ceph::real_clock::from_ceph_timespec(oi
.mtime
),
8634 (CEPH_OSD_FLAG_IGNORE_OVERLAY
|
8635 CEPH_OSD_FLAG_ENFORCE_SNAPC
),
8636 NULL
/* no callback, we'll rely on the ordering w.r.t the next op */);
8639 FlushOpRef
fop(std::make_shared
<FlushOp
>());
8641 fop
->flushed_version
= oi
.user_version
;
8642 fop
->blocking
= blocking
;
8643 fop
->on_flush
= std::move(on_flush
);
8647 if (oi
.is_whiteout()) {
8648 fop
->removal
= true;
8651 object_locator_t
oloc(soid
);
8652 o
.copy_from(soid
.oid
.name
, soid
.snap
, oloc
, oi
.user_version
,
8653 CEPH_OSD_COPY_FROM_FLAG_FLUSH
|
8654 CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY
|
8655 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE
|
8656 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE
,
8657 LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL
|LIBRADOS_OP_FLAG_FADVISE_NOCACHE
);
8659 //mean the base tier don't cache data after this
8660 if (agent_state
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
)
8661 o
.set_last_op_flags(LIBRADOS_OP_FLAG_FADVISE_DONTNEED
);
8663 C_Flush
*fin
= new C_Flush(this, soid
, get_last_peering_reset());
8665 ceph_tid_t tid
= osd
->objecter
->mutate(
8666 soid
.oid
, base_oloc
, o
, snapc
,
8667 ceph::real_clock::from_ceph_timespec(oi
.mtime
),
8668 CEPH_OSD_FLAG_IGNORE_OVERLAY
| CEPH_OSD_FLAG_ENFORCE_SNAPC
,
8669 new C_OnFinisher(fin
,
8670 &osd
->objecter_finisher
));
8671 /* we're under the pg lock and fin->finish() is grabbing that */
8673 fop
->objecter_tid
= tid
;
8675 flush_ops
[soid
] = fop
;
8676 info
.stats
.stats
.sum
.num_flush
++;
8677 info
.stats
.stats
.sum
.num_flush_kb
+= SHIFT_ROUND_UP(oi
.size
, 10);
8678 return -EINPROGRESS
;
8681 void PrimaryLogPG::finish_flush(hobject_t oid
, ceph_tid_t tid
, int r
)
8683 dout(10) << __func__
<< " " << oid
<< " tid " << tid
8684 << " " << cpp_strerror(r
) << dendl
;
8685 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.find(oid
);
8686 if (p
== flush_ops
.end()) {
8687 dout(10) << __func__
<< " no flush_op found" << dendl
;
8690 FlushOpRef fop
= p
->second
;
8691 if (tid
!= fop
->objecter_tid
) {
8692 dout(10) << __func__
<< " tid " << tid
<< " != fop " << fop
8693 << " tid " << fop
->objecter_tid
<< dendl
;
8696 ObjectContextRef obc
= fop
->obc
;
8697 fop
->objecter_tid
= 0;
8699 if (r
< 0 && !(r
== -ENOENT
&& fop
->removal
)) {
8701 osd
->reply_op_error(fop
->op
, -EBUSY
);
8702 if (fop
->blocking
) {
8704 kick_object_context_blocked(obc
);
8707 if (!fop
->dup_ops
.empty()) {
8708 dout(20) << __func__
<< " requeueing dups" << dendl
;
8709 requeue_ops(fop
->dup_ops
);
8711 if (fop
->on_flush
) {
8712 (*(fop
->on_flush
))();
8713 fop
->on_flush
= boost::none
;
8715 flush_ops
.erase(oid
);
8719 r
= try_flush_mark_clean(fop
);
8720 if (r
== -EBUSY
&& fop
->op
) {
8721 osd
->reply_op_error(fop
->op
, r
);
8725 int PrimaryLogPG::try_flush_mark_clean(FlushOpRef fop
)
8727 ObjectContextRef obc
= fop
->obc
;
8728 const hobject_t
& oid
= obc
->obs
.oi
.soid
;
8730 if (fop
->blocking
) {
8732 kick_object_context_blocked(obc
);
8735 if (fop
->flushed_version
!= obc
->obs
.oi
.user_version
||
8737 if (obc
->obs
.exists
)
8738 dout(10) << __func__
<< " flushed_version " << fop
->flushed_version
8739 << " != current " << obc
->obs
.oi
.user_version
8742 dout(10) << __func__
<< " object no longer exists" << dendl
;
8744 if (!fop
->dup_ops
.empty()) {
8745 dout(20) << __func__
<< " requeueing dups" << dendl
;
8746 requeue_ops(fop
->dup_ops
);
8748 if (fop
->on_flush
) {
8749 (*(fop
->on_flush
))();
8750 fop
->on_flush
= boost::none
;
8752 flush_ops
.erase(oid
);
8754 osd
->logger
->inc(l_osd_tier_flush_fail
);
8756 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
8760 if (!fop
->blocking
&&
8761 scrubber
.write_blocked_by_scrub(oid
)) {
8763 dout(10) << __func__
<< " blocked by scrub" << dendl
;
8764 requeue_op(fop
->op
);
8765 requeue_ops(fop
->dup_ops
);
8766 return -EAGAIN
; // will retry
8768 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
8769 cancel_flush(fop
, false);
8774 // successfully flushed, can we evict this object?
8775 if (!fop
->op
&& agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_IDLE
&&
8776 agent_maybe_evict(obc
, true)) {
8777 osd
->logger
->inc(l_osd_tier_clean
);
8778 if (fop
->on_flush
) {
8779 (*(fop
->on_flush
))();
8780 fop
->on_flush
= boost::none
;
8782 flush_ops
.erase(oid
);
8786 dout(10) << __func__
<< " clearing DIRTY flag for " << oid
<< dendl
;
8787 OpContextUPtr ctx
= simple_opc_create(fop
->obc
);
8789 // successfully flushed; can we clear the dirty bit?
8790 // try to take the lock manually, since we don't
8792 if (ctx
->lock_manager
.get_lock_type(
8793 ObjectContext::RWState::RWWRITE
,
8797 dout(20) << __func__
<< " took write lock" << dendl
;
8798 } else if (fop
->op
) {
8799 dout(10) << __func__
<< " waiting on write lock" << dendl
;
8800 close_op_ctx(ctx
.release());
8801 requeue_op(fop
->op
);
8802 requeue_ops(fop
->dup_ops
);
8803 return -EAGAIN
; // will retry
8805 dout(10) << __func__
<< " failed write lock, no op; failing" << dendl
;
8806 close_op_ctx(ctx
.release());
8807 osd
->logger
->inc(l_osd_tier_try_flush_fail
);
8808 cancel_flush(fop
, false);
8812 if (fop
->on_flush
) {
8813 ctx
->register_on_finish(*(fop
->on_flush
));
8814 fop
->on_flush
= boost::none
;
8817 ctx
->at_version
= get_next_version();
8819 ctx
->new_obs
= obc
->obs
;
8820 ctx
->new_obs
.oi
.clear_flag(object_info_t::FLAG_DIRTY
);
8821 --ctx
->delta_stats
.num_objects_dirty
;
8823 finish_ctx(ctx
.get(), pg_log_entry_t::CLEAN
);
8825 osd
->logger
->inc(l_osd_tier_clean
);
8827 if (!fop
->dup_ops
.empty() || fop
->op
) {
8828 dout(20) << __func__
<< " requeueing for " << ctx
->at_version
<< dendl
;
8829 list
<OpRequestRef
> ls
;
8831 ls
.push_back(fop
->op
);
8832 ls
.splice(ls
.end(), fop
->dup_ops
);
8836 simple_opc_submit(std::move(ctx
));
8838 flush_ops
.erase(oid
);
8841 osd
->logger
->inc(l_osd_tier_flush
);
8843 osd
->logger
->inc(l_osd_tier_try_flush
);
8845 return -EINPROGRESS
;
8848 void PrimaryLogPG::cancel_flush(FlushOpRef fop
, bool requeue
)
8850 dout(10) << __func__
<< " " << fop
->obc
->obs
.oi
.soid
<< " tid "
8851 << fop
->objecter_tid
<< dendl
;
8852 if (fop
->objecter_tid
) {
8853 osd
->objecter
->op_cancel(fop
->objecter_tid
, -ECANCELED
);
8854 fop
->objecter_tid
= 0;
8856 if (fop
->blocking
) {
8857 fop
->obc
->stop_block();
8858 kick_object_context_blocked(fop
->obc
);
8862 requeue_op(fop
->op
);
8863 requeue_ops(fop
->dup_ops
);
8865 if (fop
->on_flush
) {
8866 (*(fop
->on_flush
))();
8867 fop
->on_flush
= boost::none
;
8869 flush_ops
.erase(fop
->obc
->obs
.oi
.soid
);
8872 void PrimaryLogPG::cancel_flush_ops(bool requeue
)
8874 dout(10) << __func__
<< dendl
;
8875 map
<hobject_t
,FlushOpRef
>::iterator p
= flush_ops
.begin();
8876 while (p
!= flush_ops
.end()) {
8877 cancel_flush((p
++)->second
, requeue
);
8881 bool PrimaryLogPG::is_present_clone(hobject_t coid
)
8883 if (!pool
.info
.allow_incomplete_clones())
8885 if (is_missing_object(coid
))
8887 ObjectContextRef obc
= get_object_context(coid
, false);
8888 return obc
&& obc
->obs
.exists
;
8891 // ========================================================================
8894 class C_OSD_RepopApplied
: public Context
{
8896 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> repop
;
8898 C_OSD_RepopApplied(PrimaryLogPG
*pg
, PrimaryLogPG::RepGather
*repop
)
8899 : pg(pg
), repop(repop
) {}
8900 void finish(int) override
{
8901 pg
->repop_all_applied(repop
.get());
8906 void PrimaryLogPG::repop_all_applied(RepGather
*repop
)
8908 dout(10) << __func__
<< ": repop tid " << repop
->rep_tid
<< " all applied "
8910 assert(!repop
->applies_with_commit
);
8911 repop
->all_applied
= true;
8912 if (!repop
->rep_aborted
) {
8917 class C_OSD_RepopCommit
: public Context
{
8919 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> repop
;
8921 C_OSD_RepopCommit(PrimaryLogPG
*pg
, PrimaryLogPG::RepGather
*repop
)
8922 : pg(pg
), repop(repop
) {}
8923 void finish(int) override
{
8924 pg
->repop_all_committed(repop
.get());
8928 void PrimaryLogPG::repop_all_committed(RepGather
*repop
)
8930 dout(10) << __func__
<< ": repop tid " << repop
->rep_tid
<< " all committed "
8932 repop
->all_committed
= true;
8933 if (repop
->applies_with_commit
) {
8934 assert(!repop
->all_applied
);
8935 repop
->all_applied
= true;
8938 if (!repop
->rep_aborted
) {
8939 if (repop
->v
!= eversion_t()) {
8940 last_update_ondisk
= repop
->v
;
8941 last_complete_ondisk
= repop
->pg_local_last_complete
;
8947 void PrimaryLogPG::op_applied(const eversion_t
&applied_version
)
8949 dout(10) << "op_applied version " << applied_version
<< dendl
;
8950 if (applied_version
== eversion_t())
8952 assert(applied_version
> last_update_applied
);
8953 assert(applied_version
<= info
.last_update
);
8954 last_update_applied
= applied_version
;
8956 if (scrubber
.active
) {
8957 if (last_update_applied
== scrubber
.subset_last_update
) {
8958 if (ops_blocked_by_scrub()) {
8959 requeue_scrub(true);
8961 requeue_scrub(false);
8966 assert(scrubber
.start
== scrubber
.end
);
8969 if (scrubber
.active_rep_scrub
) {
8970 if (last_update_applied
== static_cast<const MOSDRepScrub
*>(
8971 scrubber
.active_rep_scrub
->get_req())->scrub_to
) {
8974 PGQueueable(scrubber
.active_rep_scrub
, get_osdmap()->get_epoch()));
8975 scrubber
.active_rep_scrub
= OpRequestRef();
8981 void PrimaryLogPG::eval_repop(RepGather
*repop
)
8983 const MOSDOp
*m
= NULL
;
8985 m
= static_cast<const MOSDOp
*>(repop
->op
->get_req());
8988 dout(10) << "eval_repop " << *repop
8989 << (repop
->rep_done
? " DONE" : "")
8992 dout(10) << "eval_repop " << *repop
<< " (no op)"
8993 << (repop
->rep_done
? " DONE" : "")
8996 if (repop
->rep_done
)
9000 if (repop
->all_committed
) {
9001 dout(10) << " commit: " << *repop
<< dendl
;
9002 for (auto p
= repop
->on_committed
.begin();
9003 p
!= repop
->on_committed
.end();
9004 repop
->on_committed
.erase(p
++)) {
9007 // send dup commits, in order
9008 if (waiting_for_ondisk
.count(repop
->v
)) {
9009 assert(waiting_for_ondisk
.begin()->first
== repop
->v
);
9010 for (list
<pair
<OpRequestRef
, version_t
> >::iterator i
=
9011 waiting_for_ondisk
[repop
->v
].begin();
9012 i
!= waiting_for_ondisk
[repop
->v
].end();
9014 osd
->reply_op_error(i
->first
, repop
->r
, repop
->v
,
9017 waiting_for_ondisk
.erase(repop
->v
);
9022 if (repop
->all_applied
) {
9023 if (repop
->applies_with_commit
) {
9024 assert(repop
->on_applied
.empty());
9026 dout(10) << " applied: " << *repop
<< " " << dendl
;
9027 for (auto p
= repop
->on_applied
.begin();
9028 p
!= repop
->on_applied
.end();
9029 repop
->on_applied
.erase(p
++)) {
9035 if (repop
->all_applied
&& repop
->all_committed
) {
9036 repop
->rep_done
= true;
9038 publish_stats_to_osd();
9039 calc_min_last_complete_ondisk();
9041 dout(10) << " removing " << *repop
<< dendl
;
9042 assert(!repop_queue
.empty());
9043 dout(20) << " q front is " << *repop_queue
.front() << dendl
;
9044 if (repop_queue
.front() != repop
) {
9045 if (!repop
->applies_with_commit
) {
9046 dout(0) << " removing " << *repop
<< dendl
;
9047 dout(0) << " q front is " << *repop_queue
.front() << dendl
;
9048 assert(repop_queue
.front() == repop
);
9051 RepGather
*to_remove
= nullptr;
9052 while (!repop_queue
.empty() &&
9053 (to_remove
= repop_queue
.front())->rep_done
) {
9054 repop_queue
.pop_front();
9055 for (auto p
= to_remove
->on_success
.begin();
9056 p
!= to_remove
->on_success
.end();
9057 to_remove
->on_success
.erase(p
++)) {
9060 remove_repop(to_remove
);
9066 void PrimaryLogPG::issue_repop(RepGather
*repop
, OpContext
*ctx
)
9069 const hobject_t
& soid
= ctx
->obs
->oi
.soid
;
9070 dout(7) << "issue_repop rep_tid " << repop
->rep_tid
9074 repop
->v
= ctx
->at_version
;
9075 if (ctx
->at_version
> eversion_t()) {
9076 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
9077 i
!= actingbackfill
.end();
9079 if (*i
== get_primary()) continue;
9080 pg_info_t
&pinfo
= peer_info
[*i
];
9081 // keep peer_info up to date
9082 if (pinfo
.last_complete
== pinfo
.last_update
)
9083 pinfo
.last_complete
= ctx
->at_version
;
9084 pinfo
.last_update
= ctx
->at_version
;
9088 ctx
->obc
->ondisk_write_lock();
9090 bool unlock_snapset_obc
= false;
9091 ctx
->op_t
->add_obc(ctx
->obc
);
9092 if (ctx
->clone_obc
) {
9093 ctx
->clone_obc
->ondisk_write_lock();
9094 ctx
->op_t
->add_obc(ctx
->clone_obc
);
9096 if (ctx
->snapset_obc
&& ctx
->snapset_obc
->obs
.oi
.soid
!=
9097 ctx
->obc
->obs
.oi
.soid
) {
9098 ctx
->snapset_obc
->ondisk_write_lock();
9099 unlock_snapset_obc
= true;
9100 ctx
->op_t
->add_obc(ctx
->snapset_obc
);
9103 Context
*on_all_commit
= new C_OSD_RepopCommit(this, repop
);
9104 Context
*on_all_applied
= new C_OSD_RepopApplied(this, repop
);
9105 Context
*onapplied_sync
= new C_OSD_OndiskWriteUnlock(
9108 unlock_snapset_obc
? ctx
->snapset_obc
: ObjectContextRef());
9109 if (!(ctx
->log
.empty())) {
9110 assert(ctx
->at_version
>= projected_last_update
);
9111 projected_last_update
= ctx
->at_version
;
9113 for (auto &&entry
: ctx
->log
) {
9114 projected_log
.add(entry
);
9116 pgbackend
->submit_transaction(
9120 std::move(ctx
->op_t
),
9122 min_last_complete_ondisk
,
9124 ctx
->updated_hset_history
,
9133 PrimaryLogPG::RepGather
*PrimaryLogPG::new_repop(
9134 OpContext
*ctx
, ObjectContextRef obc
,
9138 dout(10) << "new_repop rep_tid " << rep_tid
<< " on " << *ctx
->op
->get_req() << dendl
;
9140 dout(10) << "new_repop rep_tid " << rep_tid
<< " (no op)" << dendl
;
9142 RepGather
*repop
= new RepGather(
9143 ctx
, rep_tid
, info
.last_complete
, false);
9145 repop
->start
= ceph_clock_now();
9147 repop_queue
.push_back(&repop
->queue_item
);
9150 osd
->logger
->inc(l_osd_op_wip
);
9152 dout(10) << __func__
<< ": " << *repop
<< dendl
;
9156 boost::intrusive_ptr
<PrimaryLogPG::RepGather
> PrimaryLogPG::new_repop(
9159 ObcLockManager
&&manager
,
9161 boost::optional
<std::function
<void(void)> > &&on_complete
)
9163 RepGather
*repop
= new RepGather(
9166 std::move(on_complete
),
9173 repop
->start
= ceph_clock_now();
9175 repop_queue
.push_back(&repop
->queue_item
);
9177 osd
->logger
->inc(l_osd_op_wip
);
9179 dout(10) << __func__
<< ": " << *repop
<< dendl
;
9180 return boost::intrusive_ptr
<RepGather
>(repop
);
9183 void PrimaryLogPG::remove_repop(RepGather
*repop
)
9185 dout(20) << __func__
<< " " << *repop
<< dendl
;
9187 for (auto p
= repop
->on_finish
.begin();
9188 p
!= repop
->on_finish
.end();
9189 repop
->on_finish
.erase(p
++)) {
9193 release_object_locks(
9194 repop
->lock_manager
);
9197 osd
->logger
->dec(l_osd_op_wip
);
9200 PrimaryLogPG::OpContextUPtr
PrimaryLogPG::simple_opc_create(ObjectContextRef obc
)
9202 dout(20) << __func__
<< " " << obc
->obs
.oi
.soid
<< dendl
;
9204 ceph_tid_t rep_tid
= osd
->get_tid();
9205 osd_reqid_t
reqid(osd
->get_cluster_msgr_name(), 0, rep_tid
);
9206 OpContextUPtr
ctx(new OpContext(OpRequestRef(), reqid
, ops
, obc
, this));
9207 ctx
->op_t
.reset(new PGTransaction());
9208 ctx
->mtime
= ceph_clock_now();
9212 void PrimaryLogPG::simple_opc_submit(OpContextUPtr ctx
)
9214 RepGather
*repop
= new_repop(ctx
.get(), ctx
->obc
, ctx
->reqid
.tid
);
9215 dout(20) << __func__
<< " " << repop
<< dendl
;
9216 issue_repop(repop
, ctx
.get());
9222 void PrimaryLogPG::submit_log_entries(
9223 const mempool::osd_pglog::list
<pg_log_entry_t
> &entries
,
9224 ObcLockManager
&&manager
,
9225 boost::optional
<std::function
<void(void)> > &&_on_complete
,
9229 dout(10) << __func__
<< " " << entries
<< dendl
;
9230 assert(is_primary());
9233 if (!entries
.empty()) {
9234 assert(entries
.rbegin()->version
>= projected_last_update
);
9235 version
= projected_last_update
= entries
.rbegin()->version
;
9238 boost::intrusive_ptr
<RepGather
> repop
;
9239 boost::optional
<std::function
<void(void)> > on_complete
;
9240 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9246 std::move(_on_complete
));
9248 on_complete
= std::move(_on_complete
);
9251 pgbackend
->call_write_ordered(
9252 [this, entries
, repop
, on_complete
]() {
9253 ObjectStore::Transaction t
;
9254 eversion_t old_last_update
= info
.last_update
;
9255 merge_new_log_entries(entries
, t
);
9258 set
<pg_shard_t
> waiting_on
;
9259 for (set
<pg_shard_t
>::const_iterator i
= actingbackfill
.begin();
9260 i
!= actingbackfill
.end();
9262 pg_shard_t
peer(*i
);
9263 if (peer
== pg_whoami
) continue;
9264 assert(peer_missing
.count(peer
));
9265 assert(peer_info
.count(peer
));
9266 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9268 MOSDPGUpdateLogMissing
*m
= new MOSDPGUpdateLogMissing(
9270 spg_t(info
.pgid
.pgid
, i
->shard
),
9272 get_osdmap()->get_epoch(),
9275 osd
->send_message_osd_cluster(
9276 peer
.osd
, m
, get_osdmap()->get_epoch());
9277 waiting_on
.insert(peer
);
9279 MOSDPGLog
*m
= new MOSDPGLog(
9280 peer
.shard
, pg_whoami
.shard
,
9281 info
.last_update
.epoch
,
9283 m
->log
.log
= entries
;
9284 m
->log
.tail
= old_last_update
;
9285 m
->log
.head
= info
.last_update
;
9286 osd
->send_message_osd_cluster(
9287 peer
.osd
, m
, get_osdmap()->get_epoch());
9290 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
9291 ceph_tid_t rep_tid
= repop
->rep_tid
;
9292 waiting_on
.insert(pg_whoami
);
9293 log_entry_update_waiting_on
.insert(
9296 LogUpdateCtx
{std::move(repop
), std::move(waiting_on
)}
9298 struct OnComplete
: public Context
{
9306 : pg(pg
), rep_tid(rep_tid
), epoch(epoch
) {}
9307 void finish(int) override
{
9309 if (!pg
->pg_has_reset_since(epoch
)) {
9310 auto it
= pg
->log_entry_update_waiting_on
.find(rep_tid
);
9311 assert(it
!= pg
->log_entry_update_waiting_on
.end());
9312 auto it2
= it
->second
.waiting_on
.find(pg
->pg_whoami
);
9313 assert(it2
!= it
->second
.waiting_on
.end());
9314 it
->second
.waiting_on
.erase(it2
);
9315 if (it
->second
.waiting_on
.empty()) {
9316 pg
->repop_all_committed(it
->second
.repop
.get());
9317 pg
->log_entry_update_waiting_on
.erase(it
);
9323 t
.register_on_commit(
9324 new OnComplete
{this, rep_tid
, get_osdmap()->get_epoch()});
9327 struct OnComplete
: public Context
{
9329 std::function
<void(void)> on_complete
;
9333 const std::function
<void(void)> &on_complete
,
9336 on_complete(std::move(on_complete
)),
9338 void finish(int) override
{
9340 if (!pg
->pg_has_reset_since(epoch
))
9345 t
.register_on_complete(
9347 this, *on_complete
, get_osdmap()->get_epoch()
9351 t
.register_on_applied(
9352 new C_OSD_OnApplied
{this, get_osdmap()->get_epoch(), info
.last_update
});
9353 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
9358 void PrimaryLogPG::cancel_log_updates()
9360 // get rid of all the LogUpdateCtx so their references to repops are
9362 log_entry_update_waiting_on
.clear();
9365 // -------------------------------------------------------
9367 void PrimaryLogPG::get_watchers(list
<obj_watch_item_t
> &pg_watchers
)
9369 pair
<hobject_t
, ObjectContextRef
> i
;
9370 while (object_contexts
.get_next(i
.first
, &i
)) {
9371 ObjectContextRef
obc(i
.second
);
9372 get_obc_watchers(obc
, pg_watchers
);
9376 void PrimaryLogPG::get_obc_watchers(ObjectContextRef obc
, list
<obj_watch_item_t
> &pg_watchers
)
9378 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
=
9379 obc
->watchers
.begin();
9380 j
!= obc
->watchers
.end();
9382 obj_watch_item_t owi
;
9384 owi
.obj
= obc
->obs
.oi
.soid
;
9385 owi
.wi
.addr
= j
->second
->get_peer_addr();
9386 owi
.wi
.name
= j
->second
->get_entity();
9387 owi
.wi
.cookie
= j
->second
->get_cookie();
9388 owi
.wi
.timeout_seconds
= j
->second
->get_timeout();
9390 dout(30) << "watch: Found oid=" << owi
.obj
<< " addr=" << owi
.wi
.addr
9391 << " name=" << owi
.wi
.name
<< " cookie=" << owi
.wi
.cookie
<< dendl
;
9393 pg_watchers
.push_back(owi
);
9397 void PrimaryLogPG::check_blacklisted_watchers()
9399 dout(20) << "PrimaryLogPG::check_blacklisted_watchers for pg " << get_pgid() << dendl
;
9400 pair
<hobject_t
, ObjectContextRef
> i
;
9401 while (object_contexts
.get_next(i
.first
, &i
))
9402 check_blacklisted_obc_watchers(i
.second
);
9405 void PrimaryLogPG::check_blacklisted_obc_watchers(ObjectContextRef obc
)
9407 dout(20) << "PrimaryLogPG::check_blacklisted_obc_watchers for obc " << obc
->obs
.oi
.soid
<< dendl
;
9408 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator k
=
9409 obc
->watchers
.begin();
9410 k
!= obc
->watchers
.end();
9412 //Advance iterator now so handle_watch_timeout() can erase element
9413 map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
= k
++;
9414 dout(30) << "watch: Found " << j
->second
->get_entity() << " cookie " << j
->second
->get_cookie() << dendl
;
9415 entity_addr_t ea
= j
->second
->get_peer_addr();
9416 dout(30) << "watch: Check entity_addr_t " << ea
<< dendl
;
9417 if (get_osdmap()->is_blacklisted(ea
)) {
9418 dout(10) << "watch: Found blacklisted watcher for " << ea
<< dendl
;
9419 assert(j
->second
->get_pg() == this);
9420 j
->second
->unregister_cb();
9421 handle_watch_timeout(j
->second
);
9426 void PrimaryLogPG::populate_obc_watchers(ObjectContextRef obc
)
9428 assert(is_active());
9429 assert((recovering
.count(obc
->obs
.oi
.soid
) ||
9430 !is_missing_object(obc
->obs
.oi
.soid
)) ||
9431 (pg_log
.get_log().objects
.count(obc
->obs
.oi
.soid
) && // or this is a revert... see recover_primary()
9432 pg_log
.get_log().objects
.find(obc
->obs
.oi
.soid
)->second
->op
==
9433 pg_log_entry_t::LOST_REVERT
&&
9434 pg_log
.get_log().objects
.find(obc
->obs
.oi
.soid
)->second
->reverting_to
==
9435 obc
->obs
.oi
.version
));
9437 dout(10) << "populate_obc_watchers " << obc
->obs
.oi
.soid
<< dendl
;
9438 assert(obc
->watchers
.empty());
9439 // populate unconnected_watchers
9440 for (map
<pair
<uint64_t, entity_name_t
>, watch_info_t
>::iterator p
=
9441 obc
->obs
.oi
.watchers
.begin();
9442 p
!= obc
->obs
.oi
.watchers
.end();
9444 utime_t expire
= info
.stats
.last_became_active
;
9445 expire
+= p
->second
.timeout_seconds
;
9446 dout(10) << " unconnected watcher " << p
->first
<< " will expire " << expire
<< dendl
;
9448 Watch::makeWatchRef(
9449 this, osd
, obc
, p
->second
.timeout_seconds
, p
->first
.first
,
9450 p
->first
.second
, p
->second
.addr
));
9451 watch
->disconnect();
9452 obc
->watchers
.insert(
9454 make_pair(p
->first
.first
, p
->first
.second
),
9457 // Look for watchers from blacklisted clients and drop
9458 check_blacklisted_obc_watchers(obc
);
9461 void PrimaryLogPG::handle_watch_timeout(WatchRef watch
)
9463 ObjectContextRef obc
= watch
->get_obc(); // handle_watch_timeout owns this ref
9464 dout(10) << "handle_watch_timeout obc " << obc
<< dendl
;
9467 dout(10) << "handle_watch_timeout not active, no-op" << dendl
;
9470 if (is_degraded_or_backfilling_object(obc
->obs
.oi
.soid
)) {
9471 callbacks_for_degraded_object
[obc
->obs
.oi
.soid
].push_back(
9472 watch
->get_delayed_cb()
9474 dout(10) << "handle_watch_timeout waiting for degraded on obj "
9480 if (scrubber
.write_blocked_by_scrub(obc
->obs
.oi
.soid
)) {
9481 dout(10) << "handle_watch_timeout waiting for scrub on obj "
9484 scrubber
.add_callback(
9485 watch
->get_delayed_cb() // This callback!
9490 OpContextUPtr ctx
= simple_opc_create(obc
);
9491 ctx
->at_version
= get_next_version();
9493 object_info_t
& oi
= ctx
->new_obs
.oi
;
9494 oi
.watchers
.erase(make_pair(watch
->get_cookie(),
9495 watch
->get_entity()));
9497 list
<watch_disconnect_t
> watch_disconnects
= {
9498 watch_disconnect_t(watch
->get_cookie(), watch
->get_entity(), true)
9500 ctx
->register_on_success(
9501 [this, obc
, watch_disconnects
]() {
9502 complete_disconnect_watches(obc
, watch_disconnects
);
9506 PGTransaction
*t
= ctx
->op_t
.get();
9507 ctx
->log
.push_back(pg_log_entry_t(pg_log_entry_t::MODIFY
, obc
->obs
.oi
.soid
,
9511 osd_reqid_t(), ctx
->mtime
, 0));
9513 oi
.prior_version
= obc
->obs
.oi
.version
;
9514 oi
.version
= ctx
->at_version
;
9516 ::encode(oi
, bl
, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
9517 t
->setattr(obc
->obs
.oi
.soid
, OI_ATTR
, bl
);
9519 // apply new object state.
9520 ctx
->obc
->obs
= ctx
->new_obs
;
9522 // no ctx->delta_stats
9523 simple_opc_submit(std::move(ctx
));
9526 ObjectContextRef
PrimaryLogPG::create_object_context(const object_info_t
& oi
,
9527 SnapSetContext
*ssc
)
9529 ObjectContextRef
obc(object_contexts
.lookup_or_create(oi
.soid
));
9530 assert(obc
->destructor_callback
== NULL
);
9531 obc
->destructor_callback
= new C_PG_ObjectContext(this, obc
.get());
9533 obc
->obs
.exists
= false;
9536 register_snapset_context(ssc
);
9537 dout(10) << "create_object_context " << (void*)obc
.get() << " " << oi
.soid
<< " " << dendl
;
9539 populate_obc_watchers(obc
);
9543 ObjectContextRef
PrimaryLogPG::get_object_context(
9544 const hobject_t
& soid
,
9546 const map
<string
, bufferlist
> *attrs
)
9549 attrs
|| !pg_log
.get_missing().is_missing(soid
) ||
9550 // or this is a revert... see recover_primary()
9551 (pg_log
.get_log().objects
.count(soid
) &&
9552 pg_log
.get_log().objects
.find(soid
)->second
->op
==
9553 pg_log_entry_t::LOST_REVERT
));
9554 ObjectContextRef obc
= object_contexts
.lookup(soid
);
9555 osd
->logger
->inc(l_osd_object_ctx_cache_total
);
9557 osd
->logger
->inc(l_osd_object_ctx_cache_hit
);
9558 dout(10) << __func__
<< ": found obc in cache: " << obc
9561 dout(10) << __func__
<< ": obc NOT found in cache: " << soid
<< dendl
;
9565 assert(attrs
->count(OI_ATTR
));
9566 bv
= attrs
->find(OI_ATTR
)->second
;
9568 int r
= pgbackend
->objects_get_attr(soid
, OI_ATTR
, &bv
);
9571 dout(10) << __func__
<< ": no obc for soid "
9572 << soid
<< " and !can_create"
9574 return ObjectContextRef(); // -ENOENT!
9577 dout(10) << __func__
<< ": no obc for soid "
9578 << soid
<< " but can_create"
9581 object_info_t
oi(soid
);
9582 SnapSetContext
*ssc
= get_snapset_context(
9583 soid
, true, 0, false);
9584 obc
= create_object_context(oi
, ssc
);
9585 dout(10) << __func__
<< ": " << obc
<< " " << soid
9586 << " " << obc
->rwstate
9587 << " oi: " << obc
->obs
.oi
9588 << " ssc: " << obc
->ssc
9589 << " snapset: " << obc
->ssc
->snapset
<< dendl
;
9596 bufferlist::iterator bliter
= bv
.begin();
9597 ::decode(oi
, bliter
);
9599 dout(0) << __func__
<< ": obc corrupt: " << soid
<< dendl
;
9600 return ObjectContextRef(); // -ENOENT!
9603 assert(oi
.soid
.pool
== (int64_t)info
.pgid
.pool());
9605 obc
= object_contexts
.lookup_or_create(oi
.soid
);
9606 obc
->destructor_callback
= new C_PG_ObjectContext(this, obc
.get());
9608 obc
->obs
.exists
= true;
9610 obc
->ssc
= get_snapset_context(
9612 soid
.has_snapset() ? attrs
: 0);
9615 populate_obc_watchers(obc
);
9617 if (pool
.info
.require_rollback()) {
9619 obc
->attr_cache
= *attrs
;
9621 int r
= pgbackend
->objects_get_attrs(
9628 dout(10) << __func__
<< ": creating obc from disk: " << obc
9632 dout(10) << __func__
<< ": " << obc
<< " " << soid
9633 << " " << obc
->rwstate
9634 << " oi: " << obc
->obs
.oi
9635 << " exists: " << (int)obc
->obs
.exists
9636 << " ssc: " << obc
->ssc
9637 << " snapset: " << obc
->ssc
->snapset
<< dendl
;
9641 void PrimaryLogPG::context_registry_on_change()
9643 pair
<hobject_t
, ObjectContextRef
> i
;
9644 while (object_contexts
.get_next(i
.first
, &i
)) {
9645 ObjectContextRef
obc(i
.second
);
9647 for (map
<pair
<uint64_t, entity_name_t
>, WatchRef
>::iterator j
=
9648 obc
->watchers
.begin();
9649 j
!= obc
->watchers
.end();
9650 obc
->watchers
.erase(j
++)) {
9651 j
->second
->discard();
9659 * If we return an error, and set *pmissing, then promoting that
9662 * If we return -EAGAIN, we will always set *pmissing to the missing
9663 * object to wait for.
9665 * If we return an error but do not set *pmissing, then we know the
9666 * object does not exist.
9668 int PrimaryLogPG::find_object_context(const hobject_t
& oid
,
9669 ObjectContextRef
*pobc
,
9671 bool map_snapid_to_clone
,
9672 hobject_t
*pmissing
)
9675 assert(oid
.pool
== static_cast<int64_t>(info
.pgid
.pool()));
9677 if (oid
.snap
== CEPH_NOSNAP
) {
9678 ObjectContextRef obc
= get_object_context(oid
, can_create
);
9684 dout(10) << "find_object_context " << oid
9686 << " oi=" << obc
->obs
.oi
9693 hobject_t head
= oid
.get_head();
9695 // want the snapdir?
9696 if (oid
.snap
== CEPH_SNAPDIR
) {
9697 // return head or snapdir, whichever exists.
9698 ObjectContextRef headobc
= get_object_context(head
, can_create
);
9699 ObjectContextRef obc
= headobc
;
9700 if (!obc
|| !obc
->obs
.exists
)
9701 obc
= get_object_context(oid
, can_create
);
9702 if (!obc
|| !obc
->obs
.exists
) {
9703 // if we have neither, we would want to promote the head.
9707 *pobc
= headobc
; // may be null
9710 dout(10) << "find_object_context " << oid
9712 << " oi=" << obc
->obs
.oi
9716 // always populate ssc for SNAPDIR...
9718 obc
->ssc
= get_snapset_context(
9724 if (!map_snapid_to_clone
&& pool
.info
.is_removed_snap(oid
.snap
)) {
9725 dout(10) << __func__
<< " snap " << oid
.snap
<< " is removed" << dendl
;
9729 SnapSetContext
*ssc
= get_snapset_context(oid
, can_create
);
9730 if (!ssc
|| !(ssc
->exists
|| can_create
)) {
9731 dout(20) << __func__
<< " " << oid
<< " no snapset" << dendl
;
9733 *pmissing
= head
; // start by getting the head
9735 put_snapset_context(ssc
);
9739 if (map_snapid_to_clone
) {
9740 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9741 << " snapset " << ssc
->snapset
9742 << " map_snapid_to_clone=true" << dendl
;
9743 if (oid
.snap
> ssc
->snapset
.seq
) {
9744 // already must be readable
9745 ObjectContextRef obc
= get_object_context(head
, false);
9746 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9747 << " snapset " << ssc
->snapset
9748 << " maps to head" << dendl
;
9750 put_snapset_context(ssc
);
9751 return (obc
&& obc
->obs
.exists
) ? 0 : -ENOENT
;
9753 vector
<snapid_t
>::const_iterator citer
= std::find(
9754 ssc
->snapset
.clones
.begin(),
9755 ssc
->snapset
.clones
.end(),
9757 if (citer
== ssc
->snapset
.clones
.end()) {
9758 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9759 << " snapset " << ssc
->snapset
9760 << " maps to nothing" << dendl
;
9761 put_snapset_context(ssc
);
9765 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9766 << " snapset " << ssc
->snapset
9767 << " maps to " << oid
<< dendl
;
9769 if (pg_log
.get_missing().is_missing(oid
)) {
9770 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9771 << " snapset " << ssc
->snapset
9772 << " " << oid
<< " is missing" << dendl
;
9775 put_snapset_context(ssc
);
9779 ObjectContextRef obc
= get_object_context(oid
, false);
9780 if (!obc
|| !obc
->obs
.exists
) {
9781 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9782 << " snapset " << ssc
->snapset
9783 << " " << oid
<< " is not present" << dendl
;
9786 put_snapset_context(ssc
);
9789 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9790 << " snapset " << ssc
->snapset
9791 << " " << oid
<< " HIT" << dendl
;
9793 put_snapset_context(ssc
);
9796 ceph_abort(); //unreachable
9799 dout(10) << "find_object_context " << oid
<< " @" << oid
.snap
9800 << " snapset " << ssc
->snapset
<< dendl
;
9803 if (oid
.snap
> ssc
->snapset
.seq
) {
9804 if (ssc
->snapset
.head_exists
) {
9805 ObjectContextRef obc
= get_object_context(head
, false);
9806 dout(10) << "find_object_context " << head
9807 << " want " << oid
.snap
<< " > snapset seq " << ssc
->snapset
.seq
9808 << " -- HIT " << obc
->obs
9813 assert(ssc
== obc
->ssc
);
9814 put_snapset_context(ssc
);
9819 dout(10) << "find_object_context " << head
9820 << " want " << oid
.snap
<< " > snapset seq " << ssc
->snapset
.seq
9821 << " but head dne -- DNE"
9823 put_snapset_context(ssc
);
9827 // which clone would it be?
9829 while (k
< ssc
->snapset
.clones
.size() &&
9830 ssc
->snapset
.clones
[k
] < oid
.snap
)
9832 if (k
== ssc
->snapset
.clones
.size()) {
9833 dout(10) << "find_object_context no clones with last >= oid.snap "
9834 << oid
.snap
<< " -- DNE" << dendl
;
9835 put_snapset_context(ssc
);
9838 hobject_t
soid(oid
.oid
, oid
.get_key(), ssc
->snapset
.clones
[k
], oid
.get_hash(),
9839 info
.pgid
.pool(), oid
.get_namespace());
9841 if (pg_log
.get_missing().is_missing(soid
)) {
9842 dout(20) << "find_object_context " << soid
<< " missing, try again later"
9846 put_snapset_context(ssc
);
9850 ObjectContextRef obc
= get_object_context(soid
, false);
9851 if (!obc
|| !obc
->obs
.exists
) {
9852 dout(20) << __func__
<< " missing clone " << soid
<< dendl
;
9855 put_snapset_context(ssc
);
9862 assert(obc
->ssc
== ssc
);
9863 put_snapset_context(ssc
);
9868 dout(20) << "find_object_context " << soid
9869 << " snapset " << obc
->ssc
->snapset
9870 << " legacy_snaps " << obc
->obs
.oi
.legacy_snaps
9872 snapid_t first
, last
;
9873 if (obc
->ssc
->snapset
.is_legacy()) {
9874 first
= obc
->obs
.oi
.legacy_snaps
.back();
9875 last
= obc
->obs
.oi
.legacy_snaps
.front();
9877 auto p
= obc
->ssc
->snapset
.clone_snaps
.find(soid
.snap
);
9878 assert(p
!= obc
->ssc
->snapset
.clone_snaps
.end());
9879 first
= p
->second
.back();
9880 last
= p
->second
.front();
9882 if (first
<= oid
.snap
) {
9883 dout(20) << "find_object_context " << soid
<< " [" << first
<< "," << last
9884 << "] contains " << oid
.snap
<< " -- HIT " << obc
->obs
<< dendl
;
9888 dout(20) << "find_object_context " << soid
<< " [" << first
<< "," << last
9889 << "] does not contain " << oid
.snap
<< " -- DNE" << dendl
;
9894 void PrimaryLogPG::object_context_destructor_callback(ObjectContext
*obc
)
9897 put_snapset_context(obc
->ssc
);
9900 void PrimaryLogPG::add_object_context_to_pg_stat(ObjectContextRef obc
, pg_stat_t
*pgstat
)
9902 object_info_t
& oi
= obc
->obs
.oi
;
9904 dout(10) << "add_object_context_to_pg_stat " << oi
.soid
<< dendl
;
9905 object_stat_sum_t stat
;
9907 stat
.num_bytes
+= oi
.size
;
9909 if (oi
.soid
.snap
!= CEPH_SNAPDIR
)
9912 stat
.num_objects_dirty
++;
9913 if (oi
.is_whiteout())
9914 stat
.num_whiteouts
++;
9916 stat
.num_objects_omap
++;
9917 if (oi
.is_cache_pinned())
9918 stat
.num_objects_pinned
++;
9920 if (oi
.soid
.snap
&& oi
.soid
.snap
!= CEPH_NOSNAP
&& oi
.soid
.snap
!= CEPH_SNAPDIR
) {
9921 stat
.num_object_clones
++;
9924 obc
->ssc
= get_snapset_context(oi
.soid
, false);
9927 // subtract off clone overlap
9928 if (obc
->ssc
->snapset
.clone_overlap
.count(oi
.soid
.snap
)) {
9929 interval_set
<uint64_t>& o
= obc
->ssc
->snapset
.clone_overlap
[oi
.soid
.snap
];
9930 for (interval_set
<uint64_t>::const_iterator r
= o
.begin();
9933 stat
.num_bytes
-= r
.get_len();
9939 pgstat
->stats
.sum
.add(stat
);
9942 void PrimaryLogPG::kick_object_context_blocked(ObjectContextRef obc
)
9944 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
9945 if (obc
->is_blocked()) {
9946 dout(10) << __func__
<< " " << soid
<< " still blocked" << dendl
;
9950 map
<hobject_t
, list
<OpRequestRef
>>::iterator p
= waiting_for_blocked_object
.find(soid
);
9951 if (p
!= waiting_for_blocked_object
.end()) {
9952 list
<OpRequestRef
>& ls
= p
->second
;
9953 dout(10) << __func__
<< " " << soid
<< " requeuing " << ls
.size() << " requests" << dendl
;
9955 waiting_for_blocked_object
.erase(p
);
9958 map
<hobject_t
, ObjectContextRef
>::iterator i
=
9959 objects_blocked_on_snap_promotion
.find(obc
->obs
.oi
.soid
.get_head());
9960 if (i
!= objects_blocked_on_snap_promotion
.end()) {
9961 assert(i
->second
== obc
);
9962 objects_blocked_on_snap_promotion
.erase(i
);
9965 if (obc
->requeue_scrub_on_unblock
) {
9966 obc
->requeue_scrub_on_unblock
= false;
9971 SnapSetContext
*PrimaryLogPG::get_snapset_context(
9972 const hobject_t
& oid
,
9974 const map
<string
, bufferlist
> *attrs
,
9977 Mutex::Locker
l(snapset_contexts_lock
);
9978 SnapSetContext
*ssc
;
9979 map
<hobject_t
, SnapSetContext
*>::iterator p
= snapset_contexts
.find(
9981 if (p
!= snapset_contexts
.end()) {
9982 if (can_create
|| p
->second
->exists
) {
9991 if (!(oid
.is_head() && !oid_existed
))
9992 r
= pgbackend
->objects_get_attr(oid
.get_head(), SS_ATTR
, &bv
);
9995 if (!(oid
.is_snapdir() && !oid_existed
))
9996 r
= pgbackend
->objects_get_attr(oid
.get_snapdir(), SS_ATTR
, &bv
);
9997 if (r
< 0 && !can_create
)
10001 assert(attrs
->count(SS_ATTR
));
10002 bv
= attrs
->find(SS_ATTR
)->second
;
10004 ssc
= new SnapSetContext(oid
.get_snapdir());
10005 _register_snapset_context(ssc
);
10007 bufferlist::iterator bvp
= bv
.begin();
10008 ssc
->snapset
.decode(bvp
);
10009 ssc
->exists
= true;
10011 ssc
->exists
= false;
10019 void PrimaryLogPG::put_snapset_context(SnapSetContext
*ssc
)
10021 Mutex::Locker
l(snapset_contexts_lock
);
10023 if (ssc
->ref
== 0) {
10024 if (ssc
->registered
)
10025 snapset_contexts
.erase(ssc
->oid
);
10030 /** pull - request object from a peer
10035 * NONE - didn't pull anything
10036 * YES - pulled what the caller wanted
10037 * OTHER - needed to pull something else first (_head or _snapdir)
10039 enum { PULL_NONE
, PULL_OTHER
, PULL_YES
};
10041 int PrimaryLogPG::recover_missing(
10042 const hobject_t
&soid
, eversion_t v
,
10044 PGBackend::RecoveryHandle
*h
)
10046 if (missing_loc
.is_unfound(soid
)) {
10047 dout(7) << "pull " << soid
10049 << " but it is unfound" << dendl
;
10053 // is this a snapped object? if so, consult the snapset.. we may not need the entire object!
10054 ObjectContextRef obc
;
10055 ObjectContextRef head_obc
;
10056 if (soid
.snap
&& soid
.snap
< CEPH_NOSNAP
) {
10057 // do we have the head and/or snapdir?
10058 hobject_t head
= soid
.get_head();
10059 if (pg_log
.get_missing().is_missing(head
)) {
10060 if (recovering
.count(head
)) {
10061 dout(10) << " missing but already recovering head " << head
<< dendl
;
10064 int r
= recover_missing(
10065 head
, pg_log
.get_missing().get_items().find(head
)->second
.need
, priority
,
10067 if (r
!= PULL_NONE
)
10072 head
= soid
.get_snapdir();
10073 if (pg_log
.get_missing().is_missing(head
)) {
10074 if (recovering
.count(head
)) {
10075 dout(10) << " missing but already recovering snapdir " << head
<< dendl
;
10078 int r
= recover_missing(
10079 head
, pg_log
.get_missing().get_items().find(head
)->second
.need
, priority
,
10081 if (r
!= PULL_NONE
)
10087 // we must have one or the other
10088 head_obc
= get_object_context(
10093 head_obc
= get_object_context(
10094 soid
.get_snapdir(),
10099 start_recovery_op(soid
);
10100 assert(!recovering
.count(soid
));
10101 recovering
.insert(make_pair(soid
, obc
));
10102 pgbackend
->recover_object(
10111 void PrimaryLogPG::send_remove_op(
10112 const hobject_t
& oid
, eversion_t v
, pg_shard_t peer
)
10114 ceph_tid_t tid
= osd
->get_tid();
10115 osd_reqid_t
rid(osd
->get_cluster_msgr_name(), 0, tid
);
10117 dout(10) << "send_remove_op " << oid
<< " from osd." << peer
10118 << " tid " << tid
<< dendl
;
10120 MOSDSubOp
*subop
= new MOSDSubOp(
10121 rid
, pg_whoami
, spg_t(info
.pgid
.pgid
, peer
.shard
),
10122 oid
, CEPH_OSD_FLAG_ACK
,
10123 get_osdmap()->get_epoch(), tid
, v
);
10124 subop
->ops
= vector
<OSDOp
>(1);
10125 subop
->ops
[0].op
.op
= CEPH_OSD_OP_DELETE
;
10127 osd
->send_message_osd_cluster(peer
.osd
, subop
, get_osdmap()->get_epoch());
10131 void PrimaryLogPG::finish_degraded_object(const hobject_t
& oid
)
10133 dout(10) << "finish_degraded_object " << oid
<< dendl
;
10134 ObjectContextRef
obc(object_contexts
.lookup(oid
));
10135 if (callbacks_for_degraded_object
.count(oid
)) {
10136 list
<Context
*> contexts
;
10137 contexts
.swap(callbacks_for_degraded_object
[oid
]);
10138 callbacks_for_degraded_object
.erase(oid
);
10139 for (list
<Context
*>::iterator i
= contexts
.begin();
10140 i
!= contexts
.end();
10145 map
<hobject_t
, snapid_t
>::iterator i
= objects_blocked_on_degraded_snap
.find(
10147 if (i
!= objects_blocked_on_degraded_snap
.end() &&
10148 i
->second
== oid
.snap
)
10149 objects_blocked_on_degraded_snap
.erase(i
);
10152 void PrimaryLogPG::_committed_pushed_object(
10153 epoch_t epoch
, eversion_t last_complete
)
10156 if (!pg_has_reset_since(epoch
)) {
10157 dout(10) << "_committed_pushed_object last_complete " << last_complete
<< " now ondisk" << dendl
;
10158 last_complete_ondisk
= last_complete
;
10160 if (last_complete_ondisk
== info
.last_update
) {
10161 if (!is_primary()) {
10162 // Either we are a replica or backfill target.
10163 // we are fully up to date. tell the primary!
10164 osd
->send_message_osd_cluster(
10167 get_osdmap()->get_epoch(),
10168 spg_t(info
.pgid
.pgid
, get_primary().shard
),
10169 last_complete_ondisk
),
10170 get_osdmap()->get_epoch());
10172 calc_min_last_complete_ondisk();
10177 dout(10) << "_committed_pushed_object pg has changed, not touching last_complete_ondisk" << dendl
;
10183 void PrimaryLogPG::_applied_recovered_object(ObjectContextRef obc
)
10186 dout(10) << "_applied_recovered_object " << *obc
<< dendl
;
10188 assert(active_pushes
>= 1);
10191 // requeue an active chunky scrub waiting on recovery ops
10192 if (!deleting
&& active_pushes
== 0
10193 && scrubber
.is_chunky_scrub_active()) {
10194 if (ops_blocked_by_scrub()) {
10195 requeue_scrub(true);
10197 requeue_scrub(false);
10204 void PrimaryLogPG::_applied_recovered_object_replica()
10207 dout(10) << "_applied_recovered_object_replica" << dendl
;
10209 assert(active_pushes
>= 1);
10212 // requeue an active chunky scrub waiting on recovery ops
10213 if (!deleting
&& active_pushes
== 0 &&
10214 scrubber
.active_rep_scrub
&& static_cast<const MOSDRepScrub
*>(
10215 scrubber
.active_rep_scrub
->get_req())->chunky
) {
10218 PGQueueable(scrubber
.active_rep_scrub
, get_osdmap()->get_epoch()));
10219 scrubber
.active_rep_scrub
= OpRequestRef();
10225 void PrimaryLogPG::recover_got(hobject_t oid
, eversion_t v
)
10227 dout(10) << "got missing " << oid
<< " v " << v
<< dendl
;
10228 pg_log
.recover_got(oid
, v
, info
);
10229 if (pg_log
.get_log().complete_to
!= pg_log
.get_log().log
.end()) {
10230 dout(10) << "last_complete now " << info
.last_complete
10231 << " log.complete_to " << pg_log
.get_log().complete_to
->version
10234 dout(10) << "last_complete now " << info
.last_complete
10235 << " log.complete_to at end" << dendl
;
10236 //below is not true in the repair case.
10237 //assert(missing.num_missing() == 0); // otherwise, complete_to was wrong.
10238 assert(info
.last_complete
== info
.last_update
);
10242 void PrimaryLogPG::failed_push(const list
<pg_shard_t
> &from
, const hobject_t
&soid
)
10244 dout(20) << __func__
<< ": " << soid
<< dendl
;
10245 assert(recovering
.count(soid
));
10246 auto obc
= recovering
[soid
];
10248 list
<OpRequestRef
> blocked_ops
;
10249 obc
->drop_recovery_read(&blocked_ops
);
10250 requeue_ops(blocked_ops
);
10252 recovering
.erase(soid
);
10253 for (auto&& i
: from
)
10254 missing_loc
.remove_location(soid
, i
);
10255 dout(0) << __func__
<< " " << soid
<< " from shard " << from
10256 << ", reps on " << missing_loc
.get_locations(soid
)
10257 << " unfound? " << missing_loc
.is_unfound(soid
) << dendl
;
10258 finish_recovery_op(soid
); // close out this attempt,
10261 void PrimaryLogPG::sub_op_remove(OpRequestRef op
)
10263 const MOSDSubOp
*m
= static_cast<const MOSDSubOp
*>(op
->get_req());
10264 assert(m
->get_type() == MSG_OSD_SUBOP
);
10265 dout(7) << "sub_op_remove " << m
->poid
<< dendl
;
10267 op
->mark_started();
10269 ObjectStore::Transaction t
;
10270 remove_snap_mapped_object(t
, m
->poid
);
10271 int r
= osd
->store
->queue_transaction(osr
.get(), std::move(t
), NULL
);
10275 eversion_t
PrimaryLogPG::pick_newest_available(const hobject_t
& oid
)
10278 pg_missing_item pmi
;
10279 bool is_missing
= pg_log
.get_missing().is_missing(oid
, &pmi
);
10280 assert(is_missing
);
10282 dout(10) << "pick_newest_available " << oid
<< " " << v
<< " on osd." << osd
->whoami
<< " (local)" << dendl
;
10284 assert(!actingbackfill
.empty());
10285 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
10286 i
!= actingbackfill
.end();
10288 if (*i
== get_primary()) continue;
10289 pg_shard_t peer
= *i
;
10290 if (!peer_missing
[peer
].is_missing(oid
)) {
10291 assert(is_backfill_targets(peer
));
10294 eversion_t h
= peer_missing
[peer
].get_items().at(oid
).have
;
10295 dout(10) << "pick_newest_available " << oid
<< " " << h
<< " on osd." << peer
<< dendl
;
10300 dout(10) << "pick_newest_available " << oid
<< " " << v
<< " (newest)" << dendl
;
10304 void PrimaryLogPG::do_update_log_missing(OpRequestRef
&op
)
10306 const MOSDPGUpdateLogMissing
*m
= static_cast<const MOSDPGUpdateLogMissing
*>(
10308 assert(m
->get_type() == MSG_OSD_PG_UPDATE_LOG_MISSING
);
10309 ObjectStore::Transaction t
;
10310 append_log_entries_update_missing(m
->entries
, t
);
10312 Context
*complete
= new FunctionContext(
10314 const MOSDPGUpdateLogMissing
*msg
= static_cast<const MOSDPGUpdateLogMissing
*>(
10317 if (!pg_has_reset_since(msg
->get_epoch())) {
10318 MOSDPGUpdateLogMissingReply
*reply
=
10319 new MOSDPGUpdateLogMissingReply(
10320 spg_t(info
.pgid
.pgid
, primary_shard().shard
),
10325 reply
->set_priority(CEPH_MSG_PRIO_HIGH
);
10326 msg
->get_connection()->send_message(reply
);
10331 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_KRAKEN
) {
10332 t
.register_on_commit(complete
);
10334 /* Hack to work around the fact that ReplicatedBackend sends
10335 * ack+commit if commit happens first
10337 * This behavior is no longer necessary, but we preserve it so old
10338 * primaries can keep their repops in order */
10339 if (pool
.info
.ec_pool()) {
10340 t
.register_on_complete(complete
);
10342 t
.register_on_commit(complete
);
10345 t
.register_on_applied(
10346 new C_OSD_OnApplied
{this, get_osdmap()->get_epoch(), info
.last_update
});
10347 int tr
= osd
->store
->queue_transaction(
10354 void PrimaryLogPG::do_update_log_missing_reply(OpRequestRef
&op
)
10356 const MOSDPGUpdateLogMissingReply
*m
=
10357 static_cast<const MOSDPGUpdateLogMissingReply
*>(
10359 dout(20) << __func__
<< " got reply from "
10360 << m
->get_from() << dendl
;
10362 auto it
= log_entry_update_waiting_on
.find(m
->get_tid());
10363 if (it
!= log_entry_update_waiting_on
.end()) {
10364 if (it
->second
.waiting_on
.count(m
->get_from())) {
10365 it
->second
.waiting_on
.erase(m
->get_from());
10368 << info
.pgid
<< " got reply "
10369 << *m
<< " from shard we are not waiting for "
10373 if (it
->second
.waiting_on
.empty()) {
10374 repop_all_committed(it
->second
.repop
.get());
10375 log_entry_update_waiting_on
.erase(it
);
10379 << info
.pgid
<< " got reply "
10380 << *m
<< " on unknown tid " << m
->get_tid();
10384 /* Mark all unfound objects as lost.
10386 void PrimaryLogPG::mark_all_unfound_lost(
10391 dout(3) << __func__
<< " " << pg_log_entry_t::get_op_name(what
) << dendl
;
10393 dout(30) << __func__
<< ": log before:\n";
10394 pg_log
.get_log().print(*_dout
);
10397 mempool::osd_pglog::list
<pg_log_entry_t
> log_entries
;
10399 utime_t mtime
= ceph_clock_now();
10400 map
<hobject_t
, pg_missing_item
>::const_iterator m
=
10401 missing_loc
.get_needs_recovery().begin();
10402 map
<hobject_t
, pg_missing_item
>::const_iterator mend
=
10403 missing_loc
.get_needs_recovery().end();
10405 ObcLockManager manager
;
10406 eversion_t v
= get_next_version();
10407 v
.epoch
= get_osdmap()->get_epoch();
10408 uint64_t num_unfound
= missing_loc
.num_unfound();
10409 while (m
!= mend
) {
10410 const hobject_t
&oid(m
->first
);
10411 if (!missing_loc
.is_unfound(oid
)) {
10412 // We only care about unfound objects
10417 ObjectContextRef obc
;
10421 case pg_log_entry_t::LOST_MARK
:
10422 assert(0 == "actually, not implemented yet!");
10425 case pg_log_entry_t::LOST_REVERT
:
10426 prev
= pick_newest_available(oid
);
10427 if (prev
> eversion_t()) {
10430 pg_log_entry_t::LOST_REVERT
, oid
, v
,
10431 m
->second
.need
, 0, osd_reqid_t(), mtime
, 0);
10432 e
.reverting_to
= prev
;
10433 e
.mark_unrollbackable();
10434 log_entries
.push_back(e
);
10435 dout(10) << e
<< dendl
;
10437 // we are now missing the new version; recovery code will sort it out.
10443 case pg_log_entry_t::LOST_DELETE
:
10445 pg_log_entry_t
e(pg_log_entry_t::LOST_DELETE
, oid
, v
, m
->second
.need
,
10446 0, osd_reqid_t(), mtime
, 0);
10447 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_JEWEL
) {
10448 if (pool
.info
.require_rollback()) {
10449 e
.mod_desc
.try_rmobject(v
.version
);
10451 e
.mark_unrollbackable();
10453 } // otherwise, just do what we used to do
10454 dout(10) << e
<< dendl
;
10455 log_entries
.push_back(e
);
10467 info
.stats
.stats_invalid
= true;
10469 submit_log_entries(
10471 std::move(manager
),
10472 boost::optional
<std::function
<void(void)> >(
10474 requeue_ops(waiting_for_all_missing
);
10475 waiting_for_all_missing
.clear();
10476 for (auto& p
: waiting_for_unreadable_object
) {
10477 release_backoffs(p
.first
);
10479 requeue_object_waiters(waiting_for_unreadable_object
);
10483 ss
<< "pg has " << num_unfound
10484 << " objects unfound and apparently lost marking";
10485 string rs
= ss
.str();
10486 dout(0) << "do_command r=" << 0 << " " << rs
<< dendl
;
10487 osd
->clog
->info() << rs
;
10489 MCommandReply
*reply
= new MCommandReply(0, rs
);
10490 reply
->set_tid(tid
);
10491 con
->send_message(reply
);
10497 void PrimaryLogPG::_split_into(pg_t child_pgid
, PG
*child
, unsigned split_bits
)
10499 assert(repop_queue
.empty());
10503 * pg status change notification
10506 void PrimaryLogPG::apply_and_flush_repops(bool requeue
)
10508 list
<OpRequestRef
> rq
;
10510 // apply all repops
10511 while (!repop_queue
.empty()) {
10512 RepGather
*repop
= repop_queue
.front();
10513 repop_queue
.pop_front();
10514 dout(10) << " canceling repop tid " << repop
->rep_tid
<< dendl
;
10515 repop
->rep_aborted
= true;
10516 repop
->on_applied
.clear();
10517 repop
->on_committed
.clear();
10518 repop
->on_success
.clear();
10522 dout(10) << " requeuing " << *repop
->op
->get_req() << dendl
;
10523 rq
.push_back(repop
->op
);
10524 repop
->op
= OpRequestRef();
10527 // also requeue any dups, interleaved into position
10528 map
<eversion_t
, list
<pair
<OpRequestRef
, version_t
> > >::iterator p
=
10529 waiting_for_ondisk
.find(repop
->v
);
10530 if (p
!= waiting_for_ondisk
.end()) {
10531 dout(10) << " also requeuing ondisk waiters " << p
->second
<< dendl
;
10532 for (list
<pair
<OpRequestRef
, version_t
> >::iterator i
=
10534 i
!= p
->second
.end();
10536 rq
.push_back(i
->first
);
10538 waiting_for_ondisk
.erase(p
);
10542 remove_repop(repop
);
10545 assert(repop_queue
.empty());
10549 if (!waiting_for_ondisk
.empty()) {
10550 for (map
<eversion_t
, list
<pair
<OpRequestRef
, version_t
> > >::iterator i
=
10551 waiting_for_ondisk
.begin();
10552 i
!= waiting_for_ondisk
.end();
10554 for (list
<pair
<OpRequestRef
, version_t
> >::iterator j
=
10556 j
!= i
->second
.end();
10558 derr
<< __func__
<< ": op " << *(j
->first
->get_req()) << " waiting on "
10559 << i
->first
<< dendl
;
10562 assert(waiting_for_ondisk
.empty());
10566 waiting_for_ondisk
.clear();
10569 void PrimaryLogPG::on_flushed()
10571 assert(flushes_in_progress
> 0);
10572 flushes_in_progress
--;
10573 if (flushes_in_progress
== 0) {
10574 requeue_ops(waiting_for_peered
);
10576 if (!is_peered() || !is_primary()) {
10577 pair
<hobject_t
, ObjectContextRef
> i
;
10578 while (object_contexts
.get_next(i
.first
, &i
)) {
10579 derr
<< "on_flushed: object " << i
.first
<< " obc still alive" << dendl
;
10581 assert(object_contexts
.empty());
10583 pgbackend
->on_flushed();
10586 void PrimaryLogPG::on_removal(ObjectStore::Transaction
*t
)
10588 dout(10) << "on_removal" << dendl
;
10590 // adjust info to backfill
10591 info
.set_last_backfill(hobject_t());
10592 pg_log
.reset_backfill();
10597 PGLogEntryHandler rollbacker
{this, t
};
10598 pg_log
.roll_forward(&rollbacker
);
10600 write_if_dirty(*t
);
10606 void PrimaryLogPG::on_shutdown()
10608 dout(10) << "on_shutdown" << dendl
;
10610 // remove from queues
10611 osd
->pg_stat_queue_dequeue(this);
10612 osd
->peering_wq
.dequeue(this);
10614 // handles queue races
10617 clear_scrub_reserved();
10618 scrub_clear_state();
10620 unreg_next_scrub();
10621 cancel_copy_ops(false);
10622 cancel_flush_ops(false);
10623 cancel_proxy_ops(false);
10624 apply_and_flush_repops(false);
10625 cancel_log_updates();
10626 // we must remove PGRefs, so do this this prior to release_backoffs() callers
10628 // clean up snap trim references
10629 snap_trimmer_machine
.process_event(Reset());
10631 pgbackend
->on_change();
10633 context_registry_on_change();
10634 object_contexts
.clear();
10636 osd
->remote_reserver
.cancel_reservation(info
.pgid
);
10637 osd
->local_reserver
.cancel_reservation(info
.pgid
);
10639 clear_primary_state();
10643 void PrimaryLogPG::on_activate()
10646 if (needs_recovery()) {
10647 dout(10) << "activate not all replicas are up-to-date, queueing recovery" << dendl
;
10648 queue_peering_event(
10650 std::make_shared
<CephPeeringEvt
>(
10651 get_osdmap()->get_epoch(),
10652 get_osdmap()->get_epoch(),
10654 } else if (needs_backfill()) {
10655 dout(10) << "activate queueing backfill" << dendl
;
10656 queue_peering_event(
10658 std::make_shared
<CephPeeringEvt
>(
10659 get_osdmap()->get_epoch(),
10660 get_osdmap()->get_epoch(),
10661 RequestBackfill())));
10663 dout(10) << "activate all replicas clean, no recovery" << dendl
;
10664 queue_peering_event(
10666 std::make_shared
<CephPeeringEvt
>(
10667 get_osdmap()->get_epoch(),
10668 get_osdmap()->get_epoch(),
10669 AllReplicasRecovered())));
10672 publish_stats_to_osd();
10674 if (!backfill_targets
.empty()) {
10675 last_backfill_started
= earliest_backfill();
10676 new_backfill
= true;
10677 assert(!last_backfill_started
.is_max());
10678 dout(5) << "on activate: bft=" << backfill_targets
10679 << " from " << last_backfill_started
<< dendl
;
10680 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
10681 i
!= backfill_targets
.end();
10683 dout(5) << "target shard " << *i
10684 << " from " << peer_info
[*i
].last_backfill
10693 void PrimaryLogPG::_on_new_interval()
10697 void PrimaryLogPG::on_change(ObjectStore::Transaction
*t
)
10699 dout(10) << "on_change" << dendl
;
10701 if (hit_set
&& hit_set
->insert_count() == 0) {
10702 dout(20) << " discarding empty hit_set" << dendl
;
10706 if (recovery_queued
) {
10707 recovery_queued
= false;
10708 osd
->clear_queued_recovery(this);
10711 // requeue everything in the reverse order they should be
10713 requeue_ops(waiting_for_peered
);
10714 requeue_ops(waiting_for_active
);
10716 clear_scrub_reserved();
10718 cancel_copy_ops(is_primary());
10719 cancel_flush_ops(is_primary());
10720 cancel_proxy_ops(is_primary());
10722 // requeue object waiters
10723 for (auto& p
: waiting_for_unreadable_object
) {
10724 release_backoffs(p
.first
);
10726 if (is_primary()) {
10727 requeue_object_waiters(waiting_for_unreadable_object
);
10729 waiting_for_unreadable_object
.clear();
10731 for (map
<hobject_t
,list
<OpRequestRef
>>::iterator p
= waiting_for_degraded_object
.begin();
10732 p
!= waiting_for_degraded_object
.end();
10733 waiting_for_degraded_object
.erase(p
++)) {
10734 release_backoffs(p
->first
);
10736 requeue_ops(p
->second
);
10739 finish_degraded_object(p
->first
);
10742 // requeues waiting_for_scrub
10743 scrub_clear_state();
10745 for (auto p
= waiting_for_blocked_object
.begin();
10746 p
!= waiting_for_blocked_object
.end();
10747 waiting_for_blocked_object
.erase(p
++)) {
10749 requeue_ops(p
->second
);
10753 for (auto i
= callbacks_for_degraded_object
.begin();
10754 i
!= callbacks_for_degraded_object
.end();
10756 finish_degraded_object((i
++)->first
);
10758 assert(callbacks_for_degraded_object
.empty());
10760 if (is_primary()) {
10761 requeue_ops(waiting_for_cache_not_full
);
10762 requeue_ops(waiting_for_all_missing
);
10764 waiting_for_cache_not_full
.clear();
10765 waiting_for_all_missing
.clear();
10767 objects_blocked_on_cache_full
.clear();
10769 for (list
<pair
<OpRequestRef
, OpContext
*> >::iterator i
=
10770 in_progress_async_reads
.begin();
10771 i
!= in_progress_async_reads
.end();
10772 in_progress_async_reads
.erase(i
++)) {
10773 close_op_ctx(i
->second
);
10775 requeue_op(i
->first
);
10778 // this will requeue ops we were working on but didn't finish, and
10780 apply_and_flush_repops(is_primary());
10781 cancel_log_updates();
10783 // do this *after* apply_and_flush_repops so that we catch any newly
10784 // registered watches.
10785 context_registry_on_change();
10787 pgbackend
->on_change_cleanup(t
);
10788 scrubber
.cleanup_store(t
);
10789 pgbackend
->on_change();
10791 // clear snap_trimmer state
10792 snap_trimmer_machine
.process_event(Reset());
10794 debug_op_order
.clear();
10795 unstable_stats
.clear();
10797 // we don't want to cache object_contexts through the interval change
10798 // NOTE: we actually assert that all currently live references are dead
10799 // by the time the flush for the next interval completes.
10800 object_contexts
.clear();
10802 // should have been cleared above by finishing all of the degraded objects
10803 assert(objects_blocked_on_degraded_snap
.empty());
10806 void PrimaryLogPG::on_role_change()
10808 dout(10) << "on_role_change" << dendl
;
10809 if (get_role() != 0 && hit_set
) {
10810 dout(10) << " clearing hit set" << dendl
;
10815 void PrimaryLogPG::on_pool_change()
10817 dout(10) << __func__
<< dendl
;
10818 // requeue cache full waiters just in case the cache_mode is
10819 // changing away from writeback mode. note that if we are not
10820 // active the normal requeuing machinery is sufficient (and properly
10823 pool
.info
.cache_mode
!= pg_pool_t::CACHEMODE_WRITEBACK
&&
10824 !waiting_for_cache_not_full
.empty()) {
10825 dout(10) << __func__
<< " requeuing full waiters (not in writeback) "
10827 requeue_ops(waiting_for_cache_not_full
);
10828 objects_blocked_on_cache_full
.clear();
10834 // clear state. called on recovery completion AND cancellation.
10835 void PrimaryLogPG::_clear_recovery_state()
10837 missing_loc
.clear();
10838 #ifdef DEBUG_RECOVERY_OIDS
10839 recovering_oids
.clear();
10841 last_backfill_started
= hobject_t();
10842 set
<hobject_t
>::iterator i
= backfills_in_flight
.begin();
10843 while (i
!= backfills_in_flight
.end()) {
10844 assert(recovering
.count(*i
));
10845 backfills_in_flight
.erase(i
++);
10848 list
<OpRequestRef
> blocked_ops
;
10849 for (map
<hobject_t
, ObjectContextRef
>::iterator i
= recovering
.begin();
10850 i
!= recovering
.end();
10851 recovering
.erase(i
++)) {
10853 i
->second
->drop_recovery_read(&blocked_ops
);
10854 requeue_ops(blocked_ops
);
10857 assert(backfills_in_flight
.empty());
10858 pending_backfill_updates
.clear();
10859 assert(recovering
.empty());
10860 pgbackend
->clear_recovery_state();
10863 void PrimaryLogPG::cancel_pull(const hobject_t
&soid
)
10865 dout(20) << __func__
<< ": " << soid
<< dendl
;
10866 assert(recovering
.count(soid
));
10867 ObjectContextRef obc
= recovering
[soid
];
10869 list
<OpRequestRef
> blocked_ops
;
10870 obc
->drop_recovery_read(&blocked_ops
);
10871 requeue_ops(blocked_ops
);
10873 recovering
.erase(soid
);
10874 finish_recovery_op(soid
);
10875 release_backoffs(soid
);
10876 if (waiting_for_degraded_object
.count(soid
)) {
10877 dout(20) << " kicking degraded waiters on " << soid
<< dendl
;
10878 requeue_ops(waiting_for_degraded_object
[soid
]);
10879 waiting_for_degraded_object
.erase(soid
);
10881 if (waiting_for_unreadable_object
.count(soid
)) {
10882 dout(20) << " kicking unreadable waiters on " << soid
<< dendl
;
10883 requeue_ops(waiting_for_unreadable_object
[soid
]);
10884 waiting_for_unreadable_object
.erase(soid
);
10886 if (is_missing_object(soid
))
10887 pg_log
.set_last_requested(0); // get recover_primary to start over
10888 finish_degraded_object(soid
);
10891 void PrimaryLogPG::check_recovery_sources(const OSDMapRef
& osdmap
)
10894 * check that any peers we are planning to (or currently) pulling
10895 * objects from are dealt with.
10897 missing_loc
.check_recovery_sources(osdmap
);
10898 pgbackend
->check_recovery_sources(osdmap
);
10900 for (set
<pg_shard_t
>::iterator i
= peer_log_requested
.begin();
10901 i
!= peer_log_requested
.end();
10903 if (!osdmap
->is_up(i
->osd
)) {
10904 dout(10) << "peer_log_requested removing " << *i
<< dendl
;
10905 peer_log_requested
.erase(i
++);
10911 for (set
<pg_shard_t
>::iterator i
= peer_missing_requested
.begin();
10912 i
!= peer_missing_requested
.end();
10914 if (!osdmap
->is_up(i
->osd
)) {
10915 dout(10) << "peer_missing_requested removing " << *i
<< dendl
;
10916 peer_missing_requested
.erase(i
++);
10923 void PG::MissingLoc::check_recovery_sources(const OSDMapRef
& osdmap
)
10925 set
<pg_shard_t
> now_down
;
10926 for (set
<pg_shard_t
>::iterator p
= missing_loc_sources
.begin();
10927 p
!= missing_loc_sources
.end();
10929 if (osdmap
->is_up(p
->osd
)) {
10933 ldout(pg
->cct
, 10) << "check_recovery_sources source osd." << *p
<< " now down" << dendl
;
10934 now_down
.insert(*p
);
10935 missing_loc_sources
.erase(p
++);
10938 if (now_down
.empty()) {
10939 ldout(pg
->cct
, 10) << "check_recovery_sources no source osds (" << missing_loc_sources
<< ") went down" << dendl
;
10941 ldout(pg
->cct
, 10) << "check_recovery_sources sources osds " << now_down
<< " now down, remaining sources are "
10942 << missing_loc_sources
<< dendl
;
10944 // filter missing_loc
10945 map
<hobject_t
, set
<pg_shard_t
>>::iterator p
= missing_loc
.begin();
10946 while (p
!= missing_loc
.end()) {
10947 set
<pg_shard_t
>::iterator q
= p
->second
.begin();
10948 while (q
!= p
->second
.end())
10949 if (now_down
.count(*q
)) {
10950 p
->second
.erase(q
++);
10954 if (p
->second
.empty())
10955 missing_loc
.erase(p
++);
10963 bool PrimaryLogPG::start_recovery_ops(
10965 ThreadPool::TPHandle
&handle
,
10966 uint64_t *ops_started
)
10968 uint64_t& started
= *ops_started
;
10970 bool work_in_progress
= false;
10971 assert(is_primary());
10973 if (!state_test(PG_STATE_RECOVERING
) &&
10974 !state_test(PG_STATE_BACKFILL
)) {
10975 /* TODO: I think this case is broken and will make do_recovery()
10976 * unhappy since we're returning false */
10977 dout(10) << "recovery raced and were queued twice, ignoring!" << dendl
;
10981 const pg_missing_t
&missing
= pg_log
.get_missing();
10983 unsigned int num_missing
= missing
.num_missing();
10984 uint64_t num_unfound
= get_num_unfound();
10986 if (num_missing
== 0) {
10987 info
.last_complete
= info
.last_update
;
10990 if (num_missing
== num_unfound
) {
10991 // All of the missing objects we have are unfound.
10992 // Recover the replicas.
10993 started
= recover_replicas(max
, handle
);
10996 // We still have missing objects that we should grab from replicas.
10997 started
+= recover_primary(max
, handle
);
10999 if (!started
&& num_unfound
!= get_num_unfound()) {
11000 // second chance to recovery replicas
11001 started
= recover_replicas(max
, handle
);
11005 work_in_progress
= true;
11007 bool deferred_backfill
= false;
11008 if (recovering
.empty() &&
11009 state_test(PG_STATE_BACKFILL
) &&
11010 !backfill_targets
.empty() && started
< max
&&
11011 missing
.num_missing() == 0 &&
11012 waiting_on_backfill
.empty()) {
11013 if (get_osdmap()->test_flag(CEPH_OSDMAP_NOBACKFILL
)) {
11014 dout(10) << "deferring backfill due to NOBACKFILL" << dendl
;
11015 deferred_backfill
= true;
11016 } else if (get_osdmap()->test_flag(CEPH_OSDMAP_NOREBALANCE
) &&
11018 dout(10) << "deferring backfill due to NOREBALANCE" << dendl
;
11019 deferred_backfill
= true;
11020 } else if (!backfill_reserved
) {
11021 dout(10) << "deferring backfill due to !backfill_reserved" << dendl
;
11022 if (!backfill_reserving
) {
11023 dout(10) << "queueing RequestBackfill" << dendl
;
11024 backfill_reserving
= true;
11025 queue_peering_event(
11027 std::make_shared
<CephPeeringEvt
>(
11028 get_osdmap()->get_epoch(),
11029 get_osdmap()->get_epoch(),
11030 RequestBackfill())));
11032 deferred_backfill
= true;
11034 started
+= recover_backfill(max
- started
, handle
, &work_in_progress
);
11038 dout(10) << " started " << started
<< dendl
;
11039 osd
->logger
->inc(l_osd_rop
, started
);
11041 if (!recovering
.empty() ||
11042 work_in_progress
|| recovery_ops_active
> 0 || deferred_backfill
)
11043 return work_in_progress
;
11045 assert(recovering
.empty());
11046 assert(recovery_ops_active
== 0);
11048 dout(10) << __func__
<< " needs_recovery: "
11049 << missing_loc
.get_needs_recovery()
11051 dout(10) << __func__
<< " missing_loc: "
11052 << missing_loc
.get_missing_locs()
11054 int unfound
= get_num_unfound();
11056 dout(10) << " still have " << unfound
<< " unfound" << dendl
;
11057 return work_in_progress
;
11060 if (missing
.num_missing() > 0) {
11061 // this shouldn't happen!
11062 osd
->clog
->error() << info
.pgid
<< " recovery ending with " << missing
.num_missing()
11063 << ": " << missing
.get_items();
11064 return work_in_progress
;
11067 if (needs_recovery()) {
11068 // this shouldn't happen!
11069 // We already checked num_missing() so we must have missing replicas
11070 osd
->clog
->error() << info
.pgid
<< " recovery ending with missing replicas";
11071 return work_in_progress
;
11074 if (state_test(PG_STATE_RECOVERING
)) {
11075 state_clear(PG_STATE_RECOVERING
);
11076 if (needs_backfill()) {
11077 dout(10) << "recovery done, queuing backfill" << dendl
;
11078 queue_peering_event(
11080 std::make_shared
<CephPeeringEvt
>(
11081 get_osdmap()->get_epoch(),
11082 get_osdmap()->get_epoch(),
11083 RequestBackfill())));
11085 dout(10) << "recovery done, no backfill" << dendl
;
11086 queue_peering_event(
11088 std::make_shared
<CephPeeringEvt
>(
11089 get_osdmap()->get_epoch(),
11090 get_osdmap()->get_epoch(),
11091 AllReplicasRecovered())));
11093 } else { // backfilling
11094 state_clear(PG_STATE_BACKFILL
);
11095 dout(10) << "recovery done, backfill done" << dendl
;
11096 queue_peering_event(
11098 std::make_shared
<CephPeeringEvt
>(
11099 get_osdmap()->get_epoch(),
11100 get_osdmap()->get_epoch(),
11108 * do one recovery op.
11109 * return true if done, false if nothing left to do.
11111 uint64_t PrimaryLogPG::recover_primary(uint64_t max
, ThreadPool::TPHandle
&handle
)
11113 assert(is_primary());
11115 const pg_missing_t
&missing
= pg_log
.get_missing();
11117 dout(10) << "recover_primary recovering " << recovering
.size()
11118 << " in pg" << dendl
;
11119 dout(10) << "recover_primary " << missing
<< dendl
;
11120 dout(25) << "recover_primary " << missing
.get_items() << dendl
;
11123 pg_log_entry_t
*latest
= 0;
11124 unsigned started
= 0;
11127 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11128 map
<version_t
, hobject_t
>::const_iterator p
=
11129 missing
.get_rmissing().lower_bound(pg_log
.get_log().last_requested
);
11130 while (p
!= missing
.get_rmissing().end()) {
11131 handle
.reset_tp_timeout();
11133 version_t v
= p
->first
;
11135 if (pg_log
.get_log().objects
.count(p
->second
)) {
11136 latest
= pg_log
.get_log().objects
.find(p
->second
)->second
;
11137 assert(latest
->is_update());
11138 soid
= latest
->soid
;
11143 const pg_missing_item
& item
= missing
.get_items().find(p
->second
)->second
;
11146 hobject_t head
= soid
;
11147 head
.snap
= CEPH_NOSNAP
;
11149 eversion_t need
= item
.need
;
11151 dout(10) << "recover_primary "
11152 << soid
<< " " << item
.need
11153 << (missing
.is_missing(soid
) ? " (missing)":"")
11154 << (missing
.is_missing(head
) ? " (missing head)":"")
11155 << (recovering
.count(soid
) ? " (recovering)":"")
11156 << (recovering
.count(head
) ? " (recovering head)":"")
11160 switch (latest
->op
) {
11161 case pg_log_entry_t::CLONE
:
11163 * Handling for this special case removed for now, until we
11164 * can correctly construct an accurate SnapSet from the old
11169 case pg_log_entry_t::LOST_REVERT
:
11171 if (item
.have
== latest
->reverting_to
) {
11172 ObjectContextRef obc
= get_object_context(soid
, true);
11174 if (obc
->obs
.oi
.version
== latest
->version
) {
11175 // I'm already reverting
11176 dout(10) << " already reverting " << soid
<< dendl
;
11178 dout(10) << " reverting " << soid
<< " to " << latest
->prior_version
<< dendl
;
11179 obc
->ondisk_write_lock();
11180 obc
->obs
.oi
.version
= latest
->version
;
11182 ObjectStore::Transaction t
;
11184 obc
->obs
.oi
.encode(
11186 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
11187 assert(!pool
.info
.require_rollback());
11188 t
.setattr(coll
, ghobject_t(soid
), OI_ATTR
, b2
);
11190 recover_got(soid
, latest
->version
);
11191 missing_loc
.add_location(soid
, pg_whoami
);
11195 osd
->store
->queue_transaction(osr
.get(), std::move(t
),
11196 new C_OSD_AppliedRecoveredObject(this, obc
),
11197 new C_OSD_CommittedPushedObject(
11199 get_osdmap()->get_epoch(),
11200 info
.last_complete
),
11201 new C_OSD_OndiskWriteUnlock(obc
));
11206 * Pull the old version of the object. Update missing_loc here to have the location
11207 * of the version we want.
11209 * This doesn't use the usual missing_loc paths, but that's okay:
11210 * - if we have it locally, we hit the case above, and go from there.
11211 * - if we don't, we always pass through this case during recovery and set up the location
11213 * - this way we don't need to mangle the missing code to be general about needing an old
11216 eversion_t alternate_need
= latest
->reverting_to
;
11217 dout(10) << " need to pull prior_version " << alternate_need
<< " for revert " << item
<< dendl
;
11219 for (map
<pg_shard_t
, pg_missing_t
>::iterator p
= peer_missing
.begin();
11220 p
!= peer_missing
.end();
11222 if (p
->second
.is_missing(soid
, need
) &&
11223 p
->second
.get_items().at(soid
).have
== alternate_need
) {
11224 missing_loc
.add_location(soid
, p
->first
);
11226 dout(10) << " will pull " << alternate_need
<< " or " << need
11227 << " from one of " << missing_loc
.get_locations(soid
)
11235 if (!recovering
.count(soid
)) {
11236 if (recovering
.count(head
)) {
11239 int r
= recover_missing(
11240 soid
, need
, get_recovery_op_priority(), h
);
11253 if (started
>= max
)
11258 // only advance last_requested if we haven't skipped anything
11260 pg_log
.set_last_requested(v
);
11263 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11267 int PrimaryLogPG::prep_object_replica_pushes(
11268 const hobject_t
& soid
, eversion_t v
,
11269 PGBackend::RecoveryHandle
*h
)
11271 assert(is_primary());
11272 dout(10) << __func__
<< ": on " << soid
<< dendl
;
11274 // NOTE: we know we will get a valid oloc off of disk here.
11275 ObjectContextRef obc
= get_object_context(soid
, false);
11277 pg_log
.missing_add(soid
, v
, eversion_t());
11278 missing_loc
.remove_location(soid
, pg_whoami
);
11280 assert(!actingbackfill
.empty());
11281 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
11282 i
!= actingbackfill
.end();
11284 if (*i
== get_primary()) continue;
11285 pg_shard_t peer
= *i
;
11286 if (!peer_missing
[peer
].is_missing(soid
, v
)) {
11287 missing_loc
.add_location(soid
, peer
);
11288 dout(10) << info
.pgid
<< " unexpectedly missing " << soid
<< " v" << v
11289 << ", there should be a copy on shard " << peer
<< dendl
;
11294 osd
->clog
->error() << info
.pgid
<< " missing primary copy of " << soid
<< ", unfound";
11296 osd
->clog
->error() << info
.pgid
<< " missing primary copy of " << soid
11297 << ", will try copies on " << missing_loc
.get_locations(soid
);
11301 if (!obc
->get_recovery_read()) {
11302 dout(20) << "recovery delayed on " << soid
11303 << "; could not get rw_manager lock" << dendl
;
11306 dout(20) << "recovery got recovery read lock on " << soid
11310 start_recovery_op(soid
);
11311 assert(!recovering
.count(soid
));
11312 recovering
.insert(make_pair(soid
, obc
));
11314 /* We need this in case there is an in progress write on the object. In fact,
11315 * the only possible write is an update to the xattr due to a lost_revert --
11316 * a client write would be blocked since the object is degraded.
11317 * In almost all cases, therefore, this lock should be uncontended.
11319 obc
->ondisk_read_lock();
11320 pgbackend
->recover_object(
11323 ObjectContextRef(),
11324 obc
, // has snapset context
11326 obc
->ondisk_read_unlock();
11330 uint64_t PrimaryLogPG::recover_replicas(uint64_t max
, ThreadPool::TPHandle
&handle
)
11332 dout(10) << __func__
<< "(" << max
<< ")" << dendl
;
11333 uint64_t started
= 0;
11335 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11337 // this is FAR from an optimal recovery order. pretty lame, really.
11338 assert(!actingbackfill
.empty());
11339 for (set
<pg_shard_t
>::iterator i
= actingbackfill
.begin();
11340 i
!= actingbackfill
.end();
11342 if (*i
== get_primary()) continue;
11343 pg_shard_t peer
= *i
;
11344 map
<pg_shard_t
, pg_missing_t
>::const_iterator pm
= peer_missing
.find(peer
);
11345 assert(pm
!= peer_missing
.end());
11346 map
<pg_shard_t
, pg_info_t
>::const_iterator pi
= peer_info
.find(peer
);
11347 assert(pi
!= peer_info
.end());
11348 size_t m_sz
= pm
->second
.num_missing();
11350 dout(10) << " peer osd." << peer
<< " missing " << m_sz
<< " objects." << dendl
;
11351 dout(20) << " peer osd." << peer
<< " missing " << pm
->second
.get_items() << dendl
;
11354 const pg_missing_t
&m(pm
->second
);
11355 for (map
<version_t
, hobject_t
>::const_iterator p
= m
.get_rmissing().begin();
11356 p
!= m
.get_rmissing().end() && started
< max
;
11358 handle
.reset_tp_timeout();
11359 const hobject_t
soid(p
->second
);
11361 if (soid
> pi
->second
.last_backfill
) {
11362 if (!recovering
.count(soid
)) {
11363 derr
<< __func__
<< ": object added to missing set for backfill, but "
11364 << "is not in recovering, error!" << dendl
;
11370 if (recovering
.count(soid
)) {
11371 dout(10) << __func__
<< ": already recovering " << soid
<< dendl
;
11375 if (missing_loc
.is_unfound(soid
)) {
11376 dout(10) << __func__
<< ": " << soid
<< " still unfound" << dendl
;
11380 if (soid
.is_snap() && pg_log
.get_missing().is_missing(soid
.get_head())) {
11381 dout(10) << __func__
<< ": " << soid
.get_head()
11382 << " still missing on primary" << dendl
;
11386 if (soid
.is_snap() && pg_log
.get_missing().is_missing(soid
.get_snapdir())) {
11387 dout(10) << __func__
<< ": " << soid
.get_snapdir()
11388 << " still missing on primary" << dendl
;
11392 if (pg_log
.get_missing().is_missing(soid
)) {
11393 dout(10) << __func__
<< ": " << soid
<< " still missing on primary" << dendl
;
11397 dout(10) << __func__
<< ": recover_object_replicas(" << soid
<< ")" << dendl
;
11398 map
<hobject_t
,pg_missing_item
>::const_iterator r
= m
.get_items().find(soid
);
11399 started
+= prep_object_replica_pushes(soid
, r
->second
.need
,
11404 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11408 hobject_t
PrimaryLogPG::earliest_peer_backfill() const
11410 hobject_t e
= hobject_t::get_max();
11411 for (set
<pg_shard_t
>::const_iterator i
= backfill_targets
.begin();
11412 i
!= backfill_targets
.end();
11414 pg_shard_t peer
= *i
;
11415 map
<pg_shard_t
, BackfillInterval
>::const_iterator iter
=
11416 peer_backfill_info
.find(peer
);
11417 assert(iter
!= peer_backfill_info
.end());
11418 if (iter
->second
.begin
< e
)
11419 e
= iter
->second
.begin
;
11424 bool PrimaryLogPG::all_peer_done() const
11426 // Primary hasn't got any more objects
11427 assert(backfill_info
.empty());
11429 for (set
<pg_shard_t
>::const_iterator i
= backfill_targets
.begin();
11430 i
!= backfill_targets
.end();
11432 pg_shard_t bt
= *i
;
11433 map
<pg_shard_t
, BackfillInterval
>::const_iterator piter
=
11434 peer_backfill_info
.find(bt
);
11435 assert(piter
!= peer_backfill_info
.end());
11436 const BackfillInterval
& pbi
= piter
->second
;
11437 // See if peer has more to process
11438 if (!pbi
.extends_to_end() || !pbi
.empty())
11449 * backfilled: fully pushed to replica or present in replica's missing set (both
11450 * our copy and theirs).
11452 * All objects on a backfill_target in
11453 * [MIN,peer_backfill_info[backfill_target].begin) are valid; logically-removed
11454 * objects have been actually deleted and all logically-valid objects are replicated.
11455 * There may be PG objects in this interval yet to be backfilled.
11457 * All objects in PG in [MIN,backfill_info.begin) have been backfilled to all
11458 * backfill_targets. There may be objects on backfill_target(s) yet to be deleted.
11460 * For a backfill target, all objects < MIN(peer_backfill_info[target].begin,
11461 * backfill_info.begin) in PG are backfilled. No deleted objects in this
11462 * interval remain on the backfill target.
11464 * For a backfill target, all objects <= peer_info[target].last_backfill
11465 * have been backfilled to target
11467 * There *MAY* be missing/outdated objects between last_backfill_started and
11468 * MIN(peer_backfill_info[*].begin, backfill_info.begin) in the event that client
11469 * io created objects since the last scan. For this reason, we call
11470 * update_range() again before continuing backfill.
11472 uint64_t PrimaryLogPG::recover_backfill(
11474 ThreadPool::TPHandle
&handle
, bool *work_started
)
11476 dout(10) << "recover_backfill (" << max
<< ")"
11477 << " bft=" << backfill_targets
11478 << " last_backfill_started " << last_backfill_started
11479 << (new_backfill
? " new_backfill":"")
11481 assert(!backfill_targets
.empty());
11483 // Initialize from prior backfill state
11484 if (new_backfill
) {
11485 // on_activate() was called prior to getting here
11486 assert(last_backfill_started
== earliest_backfill());
11487 new_backfill
= false;
11489 // initialize BackfillIntervals
11490 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11491 i
!= backfill_targets
.end();
11493 peer_backfill_info
[*i
].reset(peer_info
[*i
].last_backfill
);
11495 backfill_info
.reset(last_backfill_started
);
11497 backfills_in_flight
.clear();
11498 pending_backfill_updates
.clear();
11501 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11502 i
!= backfill_targets
.end();
11504 dout(10) << "peer osd." << *i
11505 << " info " << peer_info
[*i
]
11506 << " interval " << peer_backfill_info
[*i
].begin
11507 << "-" << peer_backfill_info
[*i
].end
11508 << " " << peer_backfill_info
[*i
].objects
.size() << " objects"
11512 // update our local interval to cope with recent changes
11513 backfill_info
.begin
= last_backfill_started
;
11514 update_range(&backfill_info
, handle
);
11517 vector
<boost::tuple
<hobject_t
, eversion_t
,
11518 ObjectContextRef
, vector
<pg_shard_t
> > > to_push
;
11519 vector
<boost::tuple
<hobject_t
, eversion_t
, pg_shard_t
> > to_remove
;
11520 set
<hobject_t
> add_to_stat
;
11522 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11523 i
!= backfill_targets
.end();
11525 peer_backfill_info
[*i
].trim_to(
11526 std::max(peer_info
[*i
].last_backfill
, last_backfill_started
));
11528 backfill_info
.trim_to(last_backfill_started
);
11530 while (ops
< max
) {
11531 if (backfill_info
.begin
<= earliest_peer_backfill() &&
11532 !backfill_info
.extends_to_end() && backfill_info
.empty()) {
11533 hobject_t next
= backfill_info
.end
;
11534 backfill_info
.reset(next
);
11535 backfill_info
.end
= hobject_t::get_max();
11536 update_range(&backfill_info
, handle
);
11537 backfill_info
.trim();
11540 dout(20) << " my backfill interval " << backfill_info
<< dendl
;
11542 bool sent_scan
= false;
11543 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11544 i
!= backfill_targets
.end();
11546 pg_shard_t bt
= *i
;
11547 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
11549 dout(20) << " peer shard " << bt
<< " backfill " << pbi
<< dendl
;
11550 if (pbi
.begin
<= backfill_info
.begin
&&
11551 !pbi
.extends_to_end() && pbi
.empty()) {
11552 dout(10) << " scanning peer osd." << bt
<< " from " << pbi
.end
<< dendl
;
11553 epoch_t e
= get_osdmap()->get_epoch();
11554 MOSDPGScan
*m
= new MOSDPGScan(
11555 MOSDPGScan::OP_SCAN_GET_DIGEST
, pg_whoami
, e
, last_peering_reset
,
11556 spg_t(info
.pgid
.pgid
, bt
.shard
),
11557 pbi
.end
, hobject_t());
11558 osd
->send_message_osd_cluster(bt
.osd
, m
, get_osdmap()->get_epoch());
11559 assert(waiting_on_backfill
.find(bt
) == waiting_on_backfill
.end());
11560 waiting_on_backfill
.insert(bt
);
11565 // Count simultaneous scans as a single op and let those complete
11568 start_recovery_op(hobject_t::get_max()); // XXX: was pbi.end
11572 if (backfill_info
.empty() && all_peer_done()) {
11573 dout(10) << " reached end for both local and all peers" << dendl
;
11577 // Get object within set of peers to operate on and
11578 // the set of targets for which that object applies.
11579 hobject_t check
= earliest_peer_backfill();
11581 if (check
< backfill_info
.begin
) {
11583 set
<pg_shard_t
> check_targets
;
11584 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11585 i
!= backfill_targets
.end();
11587 pg_shard_t bt
= *i
;
11588 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
11589 if (pbi
.begin
== check
)
11590 check_targets
.insert(bt
);
11592 assert(!check_targets
.empty());
11594 dout(20) << " BACKFILL removing " << check
11595 << " from peers " << check_targets
<< dendl
;
11596 for (set
<pg_shard_t
>::iterator i
= check_targets
.begin();
11597 i
!= check_targets
.end();
11599 pg_shard_t bt
= *i
;
11600 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
11601 assert(pbi
.begin
== check
);
11603 to_remove
.push_back(boost::make_tuple(check
, pbi
.objects
.begin()->second
, bt
));
11607 /* This requires a bit of explanation. We compare head against
11608 * last_backfill to determine whether to send an operation
11609 * to the replica. A single write operation can touch up to three
11610 * objects: head, the snapdir, and a new clone which sorts closer to
11611 * head than any existing clone. If last_backfill points at a clone,
11612 * the transaction won't be sent and all 3 must lie on the right side
11613 * of the line (i.e., we'll backfill them later). If last_backfill
11614 * points at snapdir, it sorts greater than head, so we send the
11615 * transaction which is correct because all three must lie to the left
11618 * If it points at head, we have a bit of an issue. If head actually
11619 * exists, no problem, because any transaction which touches snapdir
11620 * must end up creating it (and deleting head), so sending the
11621 * operation won't pose a problem -- we'll end up having to scan it,
11622 * but it'll end up being the right version so we won't bother to
11623 * rebackfill it. However, if head doesn't exist, any write on head
11624 * will remove snapdir. For a replicated pool, this isn't a problem,
11625 * ENOENT on remove isn't an issue and it's in backfill future anyway.
11626 * It only poses a problem for EC pools, because we never just delete
11627 * an object, we rename it into a rollback object. That operation
11628 * will end up crashing the osd with ENOENT. Tolerating the failure
11629 * wouldn't work either, even if snapdir exists, we'd be creating a
11630 * rollback object past the last_backfill line which wouldn't get
11631 * cleaned up (no rollback objects past the last_backfill line is an
11632 * existing important invariant). Thus, let's avoid the whole issue
11633 * by just not updating last_backfill_started here if head doesn't
11634 * exist and snapdir does. We aren't using up a recovery count here,
11635 * so we're going to recover snapdir immediately anyway. We'll only
11636 * fail "backward" if we fail to get the rw lock and that just means
11637 * we'll re-process this section of the hash space again.
11639 * I'm choosing this hack here because the really "correct" answer is
11640 * going to be to unify snapdir and head into a single object (a
11641 * snapdir is really just a confusing way to talk about head existing
11642 * as a whiteout), but doing that is going to be a somewhat larger
11645 * @see http://tracker.ceph.com/issues/17668
11647 if (!(check
.is_head() &&
11648 backfill_info
.begin
.is_snapdir() &&
11649 check
== backfill_info
.begin
.get_head()))
11650 last_backfill_started
= check
;
11652 // Don't increment ops here because deletions
11653 // are cheap and not replied to unlike real recovery_ops,
11654 // and we can't increment ops without requeueing ourself
11657 eversion_t
& obj_v
= backfill_info
.objects
.begin()->second
;
11659 vector
<pg_shard_t
> need_ver_targs
, missing_targs
, keep_ver_targs
, skip_targs
;
11660 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11661 i
!= backfill_targets
.end();
11663 pg_shard_t bt
= *i
;
11664 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
11665 // Find all check peers that have the wrong version
11666 if (check
== backfill_info
.begin
&& check
== pbi
.begin
) {
11667 if (pbi
.objects
.begin()->second
!= obj_v
) {
11668 need_ver_targs
.push_back(bt
);
11670 keep_ver_targs
.push_back(bt
);
11673 pg_info_t
& pinfo
= peer_info
[bt
];
11675 // Only include peers that we've caught up to their backfill line
11676 // otherwise, they only appear to be missing this object
11677 // because their pbi.begin > backfill_info.begin.
11678 if (backfill_info
.begin
> pinfo
.last_backfill
)
11679 missing_targs
.push_back(bt
);
11681 skip_targs
.push_back(bt
);
11685 if (!keep_ver_targs
.empty()) {
11686 // These peers have version obj_v
11687 dout(20) << " BACKFILL keeping " << check
11688 << " with ver " << obj_v
11689 << " on peers " << keep_ver_targs
<< dendl
;
11690 //assert(!waiting_for_degraded_object.count(check));
11692 if (!need_ver_targs
.empty() || !missing_targs
.empty()) {
11693 ObjectContextRef obc
= get_object_context(backfill_info
.begin
, false);
11695 if (obc
->get_recovery_read()) {
11696 if (!need_ver_targs
.empty()) {
11697 dout(20) << " BACKFILL replacing " << check
11698 << " with ver " << obj_v
11699 << " to peers " << need_ver_targs
<< dendl
;
11701 if (!missing_targs
.empty()) {
11702 dout(20) << " BACKFILL pushing " << backfill_info
.begin
11703 << " with ver " << obj_v
11704 << " to peers " << missing_targs
<< dendl
;
11706 vector
<pg_shard_t
> all_push
= need_ver_targs
;
11707 all_push
.insert(all_push
.end(), missing_targs
.begin(), missing_targs
.end());
11710 boost::tuple
<hobject_t
, eversion_t
, ObjectContextRef
, vector
<pg_shard_t
> >
11711 (backfill_info
.begin
, obj_v
, obc
, all_push
));
11712 // Count all simultaneous pushes of the same object as a single op
11715 *work_started
= true;
11716 dout(20) << "backfill blocking on " << backfill_info
.begin
11717 << "; could not get rw_manager lock" << dendl
;
11721 dout(20) << "need_ver_targs=" << need_ver_targs
11722 << " keep_ver_targs=" << keep_ver_targs
<< dendl
;
11723 dout(20) << "backfill_targets=" << backfill_targets
11724 << " missing_targs=" << missing_targs
11725 << " skip_targs=" << skip_targs
<< dendl
;
11727 last_backfill_started
= backfill_info
.begin
;
11728 add_to_stat
.insert(backfill_info
.begin
); // XXX: Only one for all pushes?
11729 backfill_info
.pop_front();
11730 vector
<pg_shard_t
> check_targets
= need_ver_targs
;
11731 check_targets
.insert(check_targets
.end(), keep_ver_targs
.begin(), keep_ver_targs
.end());
11732 for (vector
<pg_shard_t
>::iterator i
= check_targets
.begin();
11733 i
!= check_targets
.end();
11735 pg_shard_t bt
= *i
;
11736 BackfillInterval
& pbi
= peer_backfill_info
[bt
];
11742 hobject_t backfill_pos
=
11743 std::min(backfill_info
.begin
, earliest_peer_backfill());
11745 for (set
<hobject_t
>::iterator i
= add_to_stat
.begin();
11746 i
!= add_to_stat
.end();
11748 ObjectContextRef obc
= get_object_context(*i
, false);
11751 add_object_context_to_pg_stat(obc
, &stat
);
11752 pending_backfill_updates
[*i
] = stat
;
11754 if (HAVE_FEATURE(get_min_upacting_features(), SERVER_LUMINOUS
)) {
11755 map
<pg_shard_t
,MOSDPGBackfillRemove
*> reqs
;
11756 for (unsigned i
= 0; i
< to_remove
.size(); ++i
) {
11757 handle
.reset_tp_timeout();
11758 const hobject_t
& oid
= to_remove
[i
].get
<0>();
11759 eversion_t v
= to_remove
[i
].get
<1>();
11760 pg_shard_t peer
= to_remove
[i
].get
<2>();
11761 MOSDPGBackfillRemove
*m
;
11762 auto it
= reqs
.find(peer
);
11763 if (it
!= reqs
.end()) {
11766 m
= reqs
[peer
] = new MOSDPGBackfillRemove(
11767 spg_t(info
.pgid
.pgid
, peer
.shard
),
11768 get_osdmap()->get_epoch());
11770 m
->ls
.push_back(make_pair(oid
, v
));
11772 if (oid
<= last_backfill_started
)
11773 pending_backfill_updates
[oid
]; // add empty stat!
11775 for (auto p
: reqs
) {
11776 osd
->send_message_osd_cluster(p
.first
.osd
, p
.second
,
11777 get_osdmap()->get_epoch());
11780 // for jewel targets
11781 for (unsigned i
= 0; i
< to_remove
.size(); ++i
) {
11782 handle
.reset_tp_timeout();
11784 // ordered before any subsequent updates
11785 send_remove_op(to_remove
[i
].get
<0>(), to_remove
[i
].get
<1>(),
11786 to_remove
[i
].get
<2>());
11788 if (to_remove
[i
].get
<0>() <= last_backfill_started
)
11789 pending_backfill_updates
[to_remove
[i
].get
<0>()]; // add empty stat!
11793 PGBackend::RecoveryHandle
*h
= pgbackend
->open_recovery_op();
11794 for (unsigned i
= 0; i
< to_push
.size(); ++i
) {
11795 handle
.reset_tp_timeout();
11796 prep_backfill_object_push(to_push
[i
].get
<0>(), to_push
[i
].get
<1>(),
11797 to_push
[i
].get
<2>(), to_push
[i
].get
<3>(), h
);
11799 pgbackend
->run_recovery_op(h
, get_recovery_op_priority());
11801 dout(5) << "backfill_pos is " << backfill_pos
<< dendl
;
11802 for (set
<hobject_t
>::iterator i
= backfills_in_flight
.begin();
11803 i
!= backfills_in_flight
.end();
11805 dout(20) << *i
<< " is still in flight" << dendl
;
11808 hobject_t next_backfill_to_complete
= backfills_in_flight
.empty() ?
11809 backfill_pos
: *(backfills_in_flight
.begin());
11810 hobject_t new_last_backfill
= earliest_backfill();
11811 dout(10) << "starting new_last_backfill at " << new_last_backfill
<< dendl
;
11812 for (map
<hobject_t
, pg_stat_t
>::iterator i
=
11813 pending_backfill_updates
.begin();
11814 i
!= pending_backfill_updates
.end() &&
11815 i
->first
< next_backfill_to_complete
;
11816 pending_backfill_updates
.erase(i
++)) {
11817 dout(20) << " pending_backfill_update " << i
->first
<< dendl
;
11818 assert(i
->first
> new_last_backfill
);
11819 for (set
<pg_shard_t
>::iterator j
= backfill_targets
.begin();
11820 j
!= backfill_targets
.end();
11822 pg_shard_t bt
= *j
;
11823 pg_info_t
& pinfo
= peer_info
[bt
];
11824 //Add stats to all peers that were missing object
11825 if (i
->first
> pinfo
.last_backfill
)
11826 pinfo
.stats
.add(i
->second
);
11828 new_last_backfill
= i
->first
;
11830 dout(10) << "possible new_last_backfill at " << new_last_backfill
<< dendl
;
11832 assert(!pending_backfill_updates
.empty() ||
11833 new_last_backfill
== last_backfill_started
);
11834 if (pending_backfill_updates
.empty() &&
11835 backfill_pos
.is_max()) {
11836 assert(backfills_in_flight
.empty());
11837 new_last_backfill
= backfill_pos
;
11838 last_backfill_started
= backfill_pos
;
11840 dout(10) << "final new_last_backfill at " << new_last_backfill
<< dendl
;
11842 // If new_last_backfill == MAX, then we will send OP_BACKFILL_FINISH to
11843 // all the backfill targets. Otherwise, we will move last_backfill up on
11844 // those targets need it and send OP_BACKFILL_PROGRESS to them.
11845 for (set
<pg_shard_t
>::iterator i
= backfill_targets
.begin();
11846 i
!= backfill_targets
.end();
11848 pg_shard_t bt
= *i
;
11849 pg_info_t
& pinfo
= peer_info
[bt
];
11851 if (new_last_backfill
> pinfo
.last_backfill
) {
11852 pinfo
.set_last_backfill(new_last_backfill
);
11853 epoch_t e
= get_osdmap()->get_epoch();
11854 MOSDPGBackfill
*m
= NULL
;
11855 if (pinfo
.last_backfill
.is_max()) {
11856 m
= new MOSDPGBackfill(
11857 MOSDPGBackfill::OP_BACKFILL_FINISH
,
11859 last_peering_reset
,
11860 spg_t(info
.pgid
.pgid
, bt
.shard
));
11861 // Use default priority here, must match sub_op priority
11862 /* pinfo.stats might be wrong if we did log-based recovery on the
11863 * backfilled portion in addition to continuing backfill.
11865 pinfo
.stats
= info
.stats
;
11866 start_recovery_op(hobject_t::get_max());
11868 m
= new MOSDPGBackfill(
11869 MOSDPGBackfill::OP_BACKFILL_PROGRESS
,
11871 last_peering_reset
,
11872 spg_t(info
.pgid
.pgid
, bt
.shard
));
11873 // Use default priority here, must match sub_op priority
11875 m
->last_backfill
= pinfo
.last_backfill
;
11876 m
->stats
= pinfo
.stats
;
11877 osd
->send_message_osd_cluster(bt
.osd
, m
, get_osdmap()->get_epoch());
11878 dout(10) << " peer " << bt
11879 << " num_objects now " << pinfo
.stats
.stats
.sum
.num_objects
11880 << " / " << info
.stats
.stats
.sum
.num_objects
<< dendl
;
11885 *work_started
= true;
11889 void PrimaryLogPG::prep_backfill_object_push(
11890 hobject_t oid
, eversion_t v
,
11891 ObjectContextRef obc
,
11892 vector
<pg_shard_t
> peers
,
11893 PGBackend::RecoveryHandle
*h
)
11895 dout(10) << "push_backfill_object " << oid
<< " v " << v
<< " to peers " << peers
<< dendl
;
11896 assert(!peers
.empty());
11898 backfills_in_flight
.insert(oid
);
11899 for (unsigned int i
= 0 ; i
< peers
.size(); ++i
) {
11900 map
<pg_shard_t
, pg_missing_t
>::iterator bpm
= peer_missing
.find(peers
[i
]);
11901 assert(bpm
!= peer_missing
.end());
11902 bpm
->second
.add(oid
, eversion_t(), eversion_t());
11905 assert(!recovering
.count(oid
));
11907 start_recovery_op(oid
);
11908 recovering
.insert(make_pair(oid
, obc
));
11910 // We need to take the read_lock here in order to flush in-progress writes
11911 obc
->ondisk_read_lock();
11912 pgbackend
->recover_object(
11915 ObjectContextRef(),
11918 obc
->ondisk_read_unlock();
11921 void PrimaryLogPG::update_range(
11922 BackfillInterval
*bi
,
11923 ThreadPool::TPHandle
&handle
)
11925 int local_min
= cct
->_conf
->osd_backfill_scan_min
;
11926 int local_max
= cct
->_conf
->osd_backfill_scan_max
;
11928 if (bi
->version
< info
.log_tail
) {
11929 dout(10) << __func__
<< ": bi is old, rescanning local backfill_info"
11931 if (last_update_applied
>= info
.log_tail
) {
11932 bi
->version
= last_update_applied
;
11935 bi
->version
= info
.last_update
;
11937 scan_range(local_min
, local_max
, bi
, handle
);
11940 if (bi
->version
>= projected_last_update
) {
11941 dout(10) << __func__
<< ": bi is current " << dendl
;
11942 assert(bi
->version
== projected_last_update
);
11943 } else if (bi
->version
>= info
.log_tail
) {
11944 if (pg_log
.get_log().empty() && projected_log
.empty()) {
11945 /* Because we don't move log_tail on split, the log might be
11946 * empty even if log_tail != last_update. However, the only
11947 * way to get here with an empty log is if log_tail is actually
11948 * eversion_t(), because otherwise the entry which changed
11949 * last_update since the last scan would have to be present.
11951 assert(bi
->version
== eversion_t());
11955 dout(10) << __func__
<< ": bi is old, (" << bi
->version
11956 << ") can be updated with log to projected_last_update "
11957 << projected_last_update
<< dendl
;
11959 auto func
= [&](const pg_log_entry_t
&e
) {
11960 dout(10) << __func__
<< ": updating from version " << e
.version
11962 const hobject_t
&soid
= e
.soid
;
11963 if (soid
>= bi
->begin
&&
11965 if (e
.is_update()) {
11966 dout(10) << __func__
<< ": " << e
.soid
<< " updated to version "
11967 << e
.version
<< dendl
;
11968 bi
->objects
.erase(e
.soid
);
11969 bi
->objects
.insert(
11973 } else if (e
.is_delete()) {
11974 dout(10) << __func__
<< ": " << e
.soid
<< " removed" << dendl
;
11975 bi
->objects
.erase(e
.soid
);
11979 dout(10) << "scanning pg log first" << dendl
;
11980 pg_log
.get_log().scan_log_after(bi
->version
, func
);
11981 dout(10) << "scanning projected log" << dendl
;
11982 projected_log
.scan_log_after(bi
->version
, func
);
11983 bi
->version
= projected_last_update
;
11985 assert(0 == "scan_range should have raised bi->version past log_tail");
11989 void PrimaryLogPG::scan_range(
11990 int min
, int max
, BackfillInterval
*bi
,
11991 ThreadPool::TPHandle
&handle
)
11993 assert(is_locked());
11994 dout(10) << "scan_range from " << bi
->begin
<< dendl
;
11995 bi
->clear_objects();
11997 vector
<hobject_t
> ls
;
11999 int r
= pgbackend
->objects_list_partial(bi
->begin
, min
, max
, &ls
, &bi
->end
);
12001 dout(10) << " got " << ls
.size() << " items, next " << bi
->end
<< dendl
;
12002 dout(20) << ls
<< dendl
;
12004 for (vector
<hobject_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
) {
12005 handle
.reset_tp_timeout();
12006 ObjectContextRef obc
;
12008 obc
= object_contexts
.lookup(*p
);
12010 bi
->objects
[*p
] = obc
->obs
.oi
.version
;
12011 dout(20) << " " << *p
<< " " << obc
->obs
.oi
.version
<< dendl
;
12014 int r
= pgbackend
->objects_get_attr(*p
, OI_ATTR
, &bl
);
12016 /* If the object does not exist here, it must have been removed
12017 * between the collection_list_partial and here. This can happen
12018 * for the first item in the range, which is usually last_backfill.
12024 object_info_t
oi(bl
);
12025 bi
->objects
[*p
] = oi
.version
;
12026 dout(20) << " " << *p
<< " " << oi
.version
<< dendl
;
12034 * verifies that stray objects have been deleted
12036 void PrimaryLogPG::check_local()
12038 dout(10) << __func__
<< dendl
;
12040 assert(info
.last_update
>= pg_log
.get_tail()); // otherwise we need some help!
12042 if (!cct
->_conf
->osd_debug_verify_stray_on_activate
)
12045 // just scan the log.
12046 set
<hobject_t
> did
;
12047 for (list
<pg_log_entry_t
>::const_reverse_iterator p
= pg_log
.get_log().log
.rbegin();
12048 p
!= pg_log
.get_log().log
.rend();
12050 if (did
.count(p
->soid
))
12052 did
.insert(p
->soid
);
12054 if (p
->is_delete()) {
12055 dout(10) << " checking " << p
->soid
12056 << " at " << p
->version
<< dendl
;
12058 int r
= osd
->store
->stat(
12060 ghobject_t(p
->soid
, ghobject_t::NO_GEN
, pg_whoami
.shard
),
12062 if (r
!= -ENOENT
) {
12063 derr
<< __func__
<< " " << p
->soid
<< " exists, but should have been "
12064 << "deleted" << dendl
;
12065 assert(0 == "erroneously present object");
12068 // ignore old(+missing) objects
12075 // ===========================
12078 hobject_t
PrimaryLogPG::get_hit_set_current_object(utime_t stamp
)
12081 ss
<< "hit_set_" << info
.pgid
.pgid
<< "_current_" << stamp
;
12082 hobject_t
hoid(sobject_t(ss
.str(), CEPH_NOSNAP
), "",
12083 info
.pgid
.ps(), info
.pgid
.pool(),
12084 cct
->_conf
->osd_hit_set_namespace
);
12085 dout(20) << __func__
<< " " << hoid
<< dendl
;
12089 hobject_t
PrimaryLogPG::get_hit_set_archive_object(utime_t start
,
12094 ss
<< "hit_set_" << info
.pgid
.pgid
<< "_archive_";
12096 start
.gmtime(ss
) << "_";
12099 start
.localtime(ss
) << "_";
12102 hobject_t
hoid(sobject_t(ss
.str(), CEPH_NOSNAP
), "",
12103 info
.pgid
.ps(), info
.pgid
.pool(),
12104 cct
->_conf
->osd_hit_set_namespace
);
12105 dout(20) << __func__
<< " " << hoid
<< dendl
;
12109 void PrimaryLogPG::hit_set_clear()
12111 dout(20) << __func__
<< dendl
;
12113 hit_set_start_stamp
= utime_t();
12116 void PrimaryLogPG::hit_set_setup()
12118 if (!is_active() ||
12124 if (is_active() && is_primary() &&
12125 (!pool
.info
.hit_set_count
||
12126 !pool
.info
.hit_set_period
||
12127 pool
.info
.hit_set_params
.get_type() == HitSet::TYPE_NONE
)) {
12130 // only primary is allowed to remove all the hit set objects
12131 hit_set_remove_all();
12135 // FIXME: discard any previous data for now
12138 // include any writes we know about from the pg log. this doesn't
12139 // capture reads, but it is better than nothing!
12140 hit_set_apply_log();
12143 void PrimaryLogPG::hit_set_remove_all()
12145 // If any archives are degraded we skip this
12146 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12147 p
!= info
.hit_set
.history
.end();
12149 hobject_t aoid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12151 // Once we hit a degraded object just skip
12152 if (is_degraded_or_backfilling_object(aoid
))
12154 if (scrubber
.write_blocked_by_scrub(aoid
))
12158 if (!info
.hit_set
.history
.empty()) {
12159 list
<pg_hit_set_info_t
>::reverse_iterator p
= info
.hit_set
.history
.rbegin();
12160 assert(p
!= info
.hit_set
.history
.rend());
12161 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12162 assert(!is_degraded_or_backfilling_object(oid
));
12163 ObjectContextRef obc
= get_object_context(oid
, false);
12166 OpContextUPtr ctx
= simple_opc_create(obc
);
12167 ctx
->at_version
= get_next_version();
12168 ctx
->updated_hset_history
= info
.hit_set
;
12169 utime_t now
= ceph_clock_now();
12171 hit_set_trim(ctx
, 0);
12172 simple_opc_submit(std::move(ctx
));
12175 info
.hit_set
= pg_hit_set_history_t();
12177 agent_state
->discard_hit_sets();
12181 void PrimaryLogPG::hit_set_create()
12183 utime_t now
= ceph_clock_now();
12184 // make a copy of the params to modify
12185 HitSet::Params
params(pool
.info
.hit_set_params
);
12187 dout(20) << __func__
<< " " << params
<< dendl
;
12188 if (pool
.info
.hit_set_params
.get_type() == HitSet::TYPE_BLOOM
) {
12189 BloomHitSet::Params
*p
=
12190 static_cast<BloomHitSet::Params
*>(params
.impl
.get());
12192 // convert false positive rate so it holds up across the full period
12193 p
->set_fpp(p
->get_fpp() / pool
.info
.hit_set_count
);
12194 if (p
->get_fpp() <= 0.0)
12195 p
->set_fpp(.01); // fpp cannot be zero!
12197 // if we don't have specified size, estimate target size based on the
12199 if (p
->target_size
== 0 && hit_set
) {
12200 utime_t dur
= now
- hit_set_start_stamp
;
12201 unsigned unique
= hit_set
->approx_unique_insert_count();
12202 dout(20) << __func__
<< " previous set had approx " << unique
12203 << " unique items over " << dur
<< " seconds" << dendl
;
12204 p
->target_size
= (double)unique
* (double)pool
.info
.hit_set_period
12207 if (p
->target_size
<
12208 static_cast<uint64_t>(cct
->_conf
->osd_hit_set_min_size
))
12209 p
->target_size
= cct
->_conf
->osd_hit_set_min_size
;
12212 > static_cast<uint64_t>(cct
->_conf
->osd_hit_set_max_size
))
12213 p
->target_size
= cct
->_conf
->osd_hit_set_max_size
;
12215 p
->seed
= now
.sec();
12217 dout(10) << __func__
<< " target_size " << p
->target_size
12218 << " fpp " << p
->get_fpp() << dendl
;
12220 hit_set
.reset(new HitSet(params
));
12221 hit_set_start_stamp
= now
;
12225 * apply log entries to set
12227 * this would only happen after peering, to at least capture writes
12228 * during an interval that was potentially lost.
12230 bool PrimaryLogPG::hit_set_apply_log()
12235 eversion_t to
= info
.last_update
;
12236 eversion_t from
= info
.hit_set
.current_last_update
;
12238 dout(20) << __func__
<< " no update" << dendl
;
12242 dout(20) << __func__
<< " " << to
<< " .. " << info
.last_update
<< dendl
;
12243 list
<pg_log_entry_t
>::const_reverse_iterator p
= pg_log
.get_log().log
.rbegin();
12244 while (p
!= pg_log
.get_log().log
.rend() && p
->version
> to
)
12246 while (p
!= pg_log
.get_log().log
.rend() && p
->version
> from
) {
12247 hit_set
->insert(p
->soid
);
12254 void PrimaryLogPG::hit_set_persist()
12256 dout(10) << __func__
<< dendl
;
12258 unsigned max
= pool
.info
.hit_set_count
;
12260 utime_t now
= ceph_clock_now();
12263 // If any archives are degraded we skip this persist request
12264 // account for the additional entry being added below
12265 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12266 p
!= info
.hit_set
.history
.end();
12268 hobject_t aoid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12270 // Once we hit a degraded object just skip further trim
12271 if (is_degraded_or_backfilling_object(aoid
))
12273 if (scrubber
.write_blocked_by_scrub(aoid
))
12277 // If backfill is in progress and we could possibly overlap with the
12278 // hit_set_* objects, back off. Since these all have
12279 // hobject_t::hash set to pgid.ps(), and those sort first, we can
12280 // look just at that. This is necessary because our transactions
12281 // may include a modify of the new hit_set *and* a delete of the
12282 // old one, and this may span the backfill boundary.
12283 for (set
<pg_shard_t
>::iterator p
= backfill_targets
.begin();
12284 p
!= backfill_targets
.end();
12286 assert(peer_info
.count(*p
));
12287 const pg_info_t
& pi
= peer_info
[*p
];
12288 if (pi
.last_backfill
== hobject_t() ||
12289 pi
.last_backfill
.get_hash() == info
.pgid
.ps()) {
12290 dout(10) << __func__
<< " backfill target osd." << *p
12291 << " last_backfill has not progressed past pgid ps"
12298 pg_hit_set_info_t new_hset
= pg_hit_set_info_t(pool
.info
.use_gmt_hitset
);
12299 new_hset
.begin
= hit_set_start_stamp
;
12300 new_hset
.end
= now
;
12301 oid
= get_hit_set_archive_object(
12304 new_hset
.using_gmt
);
12306 // If the current object is degraded we skip this persist request
12307 if (scrubber
.write_blocked_by_scrub(oid
))
12311 ::encode(*hit_set
, bl
);
12312 dout(20) << __func__
<< " archive " << oid
<< dendl
;
12315 agent_state
->add_hit_set(new_hset
.begin
, hit_set
);
12316 uint32_t size
= agent_state
->hit_set_map
.size();
12317 if (size
>= pool
.info
.hit_set_count
) {
12318 size
= pool
.info
.hit_set_count
> 0 ? pool
.info
.hit_set_count
- 1: 0;
12320 hit_set_in_memory_trim(size
);
12323 ObjectContextRef obc
= get_object_context(oid
, true);
12324 OpContextUPtr ctx
= simple_opc_create(obc
);
12326 ctx
->at_version
= get_next_version();
12327 ctx
->updated_hset_history
= info
.hit_set
;
12328 pg_hit_set_history_t
&updated_hit_set_hist
= *(ctx
->updated_hset_history
);
12330 updated_hit_set_hist
.current_last_update
= info
.last_update
;
12331 new_hset
.version
= ctx
->at_version
;
12333 updated_hit_set_hist
.history
.push_back(new_hset
);
12336 // fabricate an object_info_t and SnapSet
12337 obc
->obs
.oi
.version
= ctx
->at_version
;
12338 obc
->obs
.oi
.mtime
= now
;
12339 obc
->obs
.oi
.size
= bl
.length();
12340 obc
->obs
.exists
= true;
12341 obc
->obs
.oi
.set_data_digest(bl
.crc32c(-1));
12343 ctx
->new_obs
= obc
->obs
;
12345 obc
->ssc
->snapset
.head_exists
= true;
12346 ctx
->new_snapset
= obc
->ssc
->snapset
;
12348 ctx
->delta_stats
.num_objects
++;
12349 ctx
->delta_stats
.num_objects_hit_set_archive
++;
12350 ctx
->delta_stats
.num_bytes
+= bl
.length();
12351 ctx
->delta_stats
.num_bytes_hit_set_archive
+= bl
.length();
12354 ::encode(ctx
->new_snapset
, bss
);
12355 bufferlist
boi(sizeof(ctx
->new_obs
.oi
));
12356 ::encode(ctx
->new_obs
.oi
, boi
,
12357 get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD
, nullptr));
12359 ctx
->op_t
->create(oid
);
12361 ctx
->op_t
->write(oid
, 0, bl
.length(), bl
, 0);
12363 map
<string
, bufferlist
> attrs
;
12364 attrs
[OI_ATTR
].claim(boi
);
12365 attrs
[SS_ATTR
].claim(bss
);
12366 setattrs_maybe_cache(ctx
->obc
, ctx
.get(), ctx
->op_t
.get(), attrs
);
12367 ctx
->log
.push_back(
12369 pg_log_entry_t::MODIFY
,
12379 hit_set_trim(ctx
, max
);
12381 simple_opc_submit(std::move(ctx
));
12384 void PrimaryLogPG::hit_set_trim(OpContextUPtr
&ctx
, unsigned max
)
12386 assert(ctx
->updated_hset_history
);
12387 pg_hit_set_history_t
&updated_hit_set_hist
=
12388 *(ctx
->updated_hset_history
);
12389 for (unsigned num
= updated_hit_set_hist
.history
.size(); num
> max
; --num
) {
12390 list
<pg_hit_set_info_t
>::iterator p
= updated_hit_set_hist
.history
.begin();
12391 assert(p
!= updated_hit_set_hist
.history
.end());
12392 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12394 assert(!is_degraded_or_backfilling_object(oid
));
12396 dout(20) << __func__
<< " removing " << oid
<< dendl
;
12397 ++ctx
->at_version
.version
;
12398 ctx
->log
.push_back(
12399 pg_log_entry_t(pg_log_entry_t::DELETE
,
12408 ctx
->op_t
->remove(oid
);
12409 updated_hit_set_hist
.history
.pop_front();
12411 ObjectContextRef obc
= get_object_context(oid
, false);
12413 --ctx
->delta_stats
.num_objects
;
12414 --ctx
->delta_stats
.num_objects_hit_set_archive
;
12415 ctx
->delta_stats
.num_bytes
-= obc
->obs
.oi
.size
;
12416 ctx
->delta_stats
.num_bytes_hit_set_archive
-= obc
->obs
.oi
.size
;
12420 void PrimaryLogPG::hit_set_in_memory_trim(uint32_t max_in_memory
)
12422 while (agent_state
->hit_set_map
.size() > max_in_memory
) {
12423 agent_state
->remove_oldest_hit_set();
12428 // =======================================
12431 void PrimaryLogPG::agent_setup()
12433 assert(is_locked());
12434 if (!is_active() ||
12436 pool
.info
.cache_mode
== pg_pool_t::CACHEMODE_NONE
||
12437 pool
.info
.tier_of
< 0 ||
12438 !get_osdmap()->have_pg_pool(pool
.info
.tier_of
)) {
12442 if (!agent_state
) {
12443 agent_state
.reset(new TierAgentState
);
12445 // choose random starting position
12446 agent_state
->position
= hobject_t();
12447 agent_state
->position
.pool
= info
.pgid
.pool();
12448 agent_state
->position
.set_hash(pool
.info
.get_random_pg_position(
12451 agent_state
->start
= agent_state
->position
;
12453 dout(10) << __func__
<< " allocated new state, position "
12454 << agent_state
->position
<< dendl
;
12456 dout(10) << __func__
<< " keeping existing state" << dendl
;
12459 if (info
.stats
.stats_invalid
) {
12460 osd
->clog
->warn() << "pg " << info
.pgid
<< " has invalid (post-split) stats; must scrub before tier agent can activate";
12463 agent_choose_mode();
12466 void PrimaryLogPG::agent_clear()
12469 agent_state
.reset(NULL
);
12472 // Return false if no objects operated on since start of object hash space
12473 bool PrimaryLogPG::agent_work(int start_max
, int agent_flush_quota
)
12476 if (!agent_state
) {
12477 dout(10) << __func__
<< " no agent state, stopping" << dendl
;
12484 if (agent_state
->is_idle()) {
12485 dout(10) << __func__
<< " idle, stopping" << dendl
;
12490 osd
->logger
->inc(l_osd_agent_wake
);
12492 dout(10) << __func__
12493 << " max " << start_max
12494 << ", flush " << agent_state
->get_flush_mode_name()
12495 << ", evict " << agent_state
->get_evict_mode_name()
12496 << ", pos " << agent_state
->position
12498 assert(is_primary());
12499 assert(is_active());
12501 agent_load_hit_sets();
12503 const pg_pool_t
*base_pool
= get_osdmap()->get_pg_pool(pool
.info
.tier_of
);
12507 int ls_max
= cct
->_conf
->osd_pool_default_cache_max_evict_check_size
;
12509 // list some objects. this conveniently lists clones (oldest to
12510 // newest) before heads... the same order we want to flush in.
12512 // NOTE: do not flush the Sequencer. we will assume that the
12513 // listing we get back is imprecise.
12514 vector
<hobject_t
> ls
;
12516 int r
= pgbackend
->objects_list_partial(agent_state
->position
, ls_min
, ls_max
,
12519 dout(20) << __func__
<< " got " << ls
.size() << " objects" << dendl
;
12521 for (vector
<hobject_t
>::iterator p
= ls
.begin();
12524 if (p
->nspace
== cct
->_conf
->osd_hit_set_namespace
) {
12525 dout(20) << __func__
<< " skip (hit set) " << *p
<< dendl
;
12526 osd
->logger
->inc(l_osd_agent_skip
);
12529 if (is_degraded_or_backfilling_object(*p
)) {
12530 dout(20) << __func__
<< " skip (degraded) " << *p
<< dendl
;
12531 osd
->logger
->inc(l_osd_agent_skip
);
12534 if (is_missing_object(p
->get_head())) {
12535 dout(20) << __func__
<< " skip (missing head) " << *p
<< dendl
;
12536 osd
->logger
->inc(l_osd_agent_skip
);
12539 ObjectContextRef obc
= get_object_context(*p
, false, NULL
);
12541 // we didn't flush; we may miss something here.
12542 dout(20) << __func__
<< " skip (no obc) " << *p
<< dendl
;
12543 osd
->logger
->inc(l_osd_agent_skip
);
12546 if (!obc
->obs
.exists
) {
12547 dout(20) << __func__
<< " skip (dne) " << obc
->obs
.oi
.soid
<< dendl
;
12548 osd
->logger
->inc(l_osd_agent_skip
);
12551 if (scrubber
.write_blocked_by_scrub(obc
->obs
.oi
.soid
)) {
12552 dout(20) << __func__
<< " skip (scrubbing) " << obc
->obs
.oi
<< dendl
;
12553 osd
->logger
->inc(l_osd_agent_skip
);
12556 if (obc
->is_blocked()) {
12557 dout(20) << __func__
<< " skip (blocked) " << obc
->obs
.oi
<< dendl
;
12558 osd
->logger
->inc(l_osd_agent_skip
);
12561 if (obc
->is_request_pending()) {
12562 dout(20) << __func__
<< " skip (request pending) " << obc
->obs
.oi
<< dendl
;
12563 osd
->logger
->inc(l_osd_agent_skip
);
12567 // be careful flushing omap to an EC pool.
12568 if (!base_pool
->supports_omap() &&
12569 obc
->obs
.oi
.is_omap()) {
12570 dout(20) << __func__
<< " skip (omap to EC) " << obc
->obs
.oi
<< dendl
;
12571 osd
->logger
->inc(l_osd_agent_skip
);
12575 if (agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_IDLE
&&
12576 agent_maybe_evict(obc
, false))
12578 else if (agent_state
->flush_mode
!= TierAgentState::FLUSH_MODE_IDLE
&&
12579 agent_flush_quota
> 0 && agent_maybe_flush(obc
)) {
12581 --agent_flush_quota
;
12583 if (started
>= start_max
) {
12584 // If finishing early, set "next" to the next object
12585 if (++p
!= ls
.end())
12591 if (++agent_state
->hist_age
> cct
->_conf
->osd_agent_hist_halflife
) {
12592 dout(20) << __func__
<< " resetting atime and temp histograms" << dendl
;
12593 agent_state
->hist_age
= 0;
12594 agent_state
->temp_hist
.decay();
12597 // Total objects operated on so far
12598 int total_started
= agent_state
->started
+ started
;
12599 bool need_delay
= false;
12601 dout(20) << __func__
<< " start pos " << agent_state
->position
12602 << " next start pos " << next
12603 << " started " << total_started
<< dendl
;
12605 // See if we've made a full pass over the object hash space
12606 // This might check at most ls_max objects a second time to notice that
12607 // we've checked every objects at least once.
12608 if (agent_state
->position
< agent_state
->start
&&
12609 next
>= agent_state
->start
) {
12610 dout(20) << __func__
<< " wrap around " << agent_state
->start
<< dendl
;
12611 if (total_started
== 0)
12615 agent_state
->start
= next
;
12617 agent_state
->started
= total_started
;
12619 // See if we are starting from beginning
12621 agent_state
->position
= hobject_t();
12623 agent_state
->position
= next
;
12625 // Discard old in memory HitSets
12626 hit_set_in_memory_trim(pool
.info
.hit_set_count
);
12629 assert(agent_state
->delaying
== false);
12634 agent_choose_mode();
12639 void PrimaryLogPG::agent_load_hit_sets()
12641 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_IDLE
) {
12645 if (agent_state
->hit_set_map
.size() < info
.hit_set
.history
.size()) {
12646 dout(10) << __func__
<< dendl
;
12647 for (list
<pg_hit_set_info_t
>::iterator p
= info
.hit_set
.history
.begin();
12648 p
!= info
.hit_set
.history
.end(); ++p
) {
12649 if (agent_state
->hit_set_map
.count(p
->begin
.sec()) == 0) {
12650 dout(10) << __func__
<< " loading " << p
->begin
<< "-"
12651 << p
->end
<< dendl
;
12652 if (!pool
.info
.is_replicated()) {
12653 // FIXME: EC not supported here yet
12654 derr
<< __func__
<< " on non-replicated pool" << dendl
;
12658 hobject_t oid
= get_hit_set_archive_object(p
->begin
, p
->end
, p
->using_gmt
);
12659 if (is_unreadable_object(oid
)) {
12660 dout(10) << __func__
<< " unreadable " << oid
<< ", waiting" << dendl
;
12664 ObjectContextRef obc
= get_object_context(oid
, false);
12666 derr
<< __func__
<< ": could not load hitset " << oid
<< dendl
;
12672 obc
->ondisk_read_lock();
12673 int r
= osd
->store
->read(ch
, ghobject_t(oid
), 0, 0, bl
);
12675 obc
->ondisk_read_unlock();
12677 HitSetRef
hs(new HitSet
);
12678 bufferlist::iterator pbl
= bl
.begin();
12679 ::decode(*hs
, pbl
);
12680 agent_state
->add_hit_set(p
->begin
.sec(), hs
);
12686 bool PrimaryLogPG::agent_maybe_flush(ObjectContextRef
& obc
)
12688 if (!obc
->obs
.oi
.is_dirty()) {
12689 dout(20) << __func__
<< " skip (clean) " << obc
->obs
.oi
<< dendl
;
12690 osd
->logger
->inc(l_osd_agent_skip
);
12693 if (obc
->obs
.oi
.is_cache_pinned()) {
12694 dout(20) << __func__
<< " skip (cache_pinned) " << obc
->obs
.oi
<< dendl
;
12695 osd
->logger
->inc(l_osd_agent_skip
);
12699 utime_t now
= ceph_clock_now();
12700 utime_t ob_local_mtime
;
12701 if (obc
->obs
.oi
.local_mtime
!= utime_t()) {
12702 ob_local_mtime
= obc
->obs
.oi
.local_mtime
;
12704 ob_local_mtime
= obc
->obs
.oi
.mtime
;
12706 bool evict_mode_full
=
12707 (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
);
12708 if (!evict_mode_full
&&
12709 obc
->obs
.oi
.soid
.snap
== CEPH_NOSNAP
&& // snaps immutable; don't delay
12710 (ob_local_mtime
+ utime_t(pool
.info
.cache_min_flush_age
, 0) > now
)) {
12711 dout(20) << __func__
<< " skip (too young) " << obc
->obs
.oi
<< dendl
;
12712 osd
->logger
->inc(l_osd_agent_skip
);
12716 if (osd
->agent_is_active_oid(obc
->obs
.oi
.soid
)) {
12717 dout(20) << __func__
<< " skip (flushing) " << obc
->obs
.oi
<< dendl
;
12718 osd
->logger
->inc(l_osd_agent_skip
);
12722 dout(10) << __func__
<< " flushing " << obc
->obs
.oi
<< dendl
;
12724 // FIXME: flush anything dirty, regardless of what distribution of
12727 hobject_t oid
= obc
->obs
.oi
.soid
;
12728 osd
->agent_start_op(oid
);
12729 // no need to capture a pg ref, can't outlive fop or ctx
12730 std::function
<void()> on_flush
= [this, oid
]() {
12731 osd
->agent_finish_op(oid
);
12734 int result
= start_flush(
12735 OpRequestRef(), obc
, false, NULL
,
12737 if (result
!= -EINPROGRESS
) {
12739 dout(10) << __func__
<< " start_flush() failed " << obc
->obs
.oi
12740 << " with " << result
<< dendl
;
12741 osd
->logger
->inc(l_osd_agent_skip
);
12745 osd
->logger
->inc(l_osd_agent_flush
);
12749 bool PrimaryLogPG::agent_maybe_evict(ObjectContextRef
& obc
, bool after_flush
)
12751 const hobject_t
& soid
= obc
->obs
.oi
.soid
;
12752 if (!after_flush
&& obc
->obs
.oi
.is_dirty()) {
12753 dout(20) << __func__
<< " skip (dirty) " << obc
->obs
.oi
<< dendl
;
12756 if (!obc
->obs
.oi
.watchers
.empty()) {
12757 dout(20) << __func__
<< " skip (watchers) " << obc
->obs
.oi
<< dendl
;
12760 if (obc
->is_blocked()) {
12761 dout(20) << __func__
<< " skip (blocked) " << obc
->obs
.oi
<< dendl
;
12764 if (obc
->obs
.oi
.is_cache_pinned()) {
12765 dout(20) << __func__
<< " skip (cache_pinned) " << obc
->obs
.oi
<< dendl
;
12769 if (soid
.snap
== CEPH_NOSNAP
) {
12770 int result
= _verify_no_head_clones(soid
, obc
->ssc
->snapset
);
12772 dout(20) << __func__
<< " skip (clones) " << obc
->obs
.oi
<< dendl
;
12777 if (agent_state
->evict_mode
!= TierAgentState::EVICT_MODE_FULL
) {
12778 // is this object old than cache_min_evict_age?
12779 utime_t now
= ceph_clock_now();
12780 utime_t ob_local_mtime
;
12781 if (obc
->obs
.oi
.local_mtime
!= utime_t()) {
12782 ob_local_mtime
= obc
->obs
.oi
.local_mtime
;
12784 ob_local_mtime
= obc
->obs
.oi
.mtime
;
12786 if (ob_local_mtime
+ utime_t(pool
.info
.cache_min_evict_age
, 0) > now
) {
12787 dout(20) << __func__
<< " skip (too young) " << obc
->obs
.oi
<< dendl
;
12788 osd
->logger
->inc(l_osd_agent_skip
);
12791 // is this object old and/or cold enough?
12793 uint64_t temp_upper
= 0, temp_lower
= 0;
12795 agent_estimate_temp(soid
, &temp
);
12796 agent_state
->temp_hist
.add(temp
);
12797 agent_state
->temp_hist
.get_position_micro(temp
, &temp_lower
, &temp_upper
);
12799 dout(20) << __func__
12800 << " temp " << temp
12801 << " pos " << temp_lower
<< "-" << temp_upper
12802 << ", evict_effort " << agent_state
->evict_effort
12804 dout(30) << "agent_state:\n";
12805 Formatter
*f
= Formatter::create("");
12806 f
->open_object_section("agent_state");
12807 agent_state
->dump(f
);
12808 f
->close_section();
12813 if (1000000 - temp_upper
>= agent_state
->evict_effort
)
12817 dout(10) << __func__
<< " evicting " << obc
->obs
.oi
<< dendl
;
12818 OpContextUPtr ctx
= simple_opc_create(obc
);
12820 if (!ctx
->lock_manager
.get_lock_type(
12821 ObjectContext::RWState::RWWRITE
,
12825 close_op_ctx(ctx
.release());
12826 dout(20) << __func__
<< " skip (cannot get lock) " << obc
->obs
.oi
<< dendl
;
12830 osd
->agent_start_evict_op();
12831 ctx
->register_on_finish(
12833 osd
->agent_finish_evict_op();
12836 ctx
->at_version
= get_next_version();
12837 assert(ctx
->new_obs
.exists
);
12838 int r
= _delete_oid(ctx
.get(), true, false);
12839 if (obc
->obs
.oi
.is_omap())
12840 ctx
->delta_stats
.num_objects_omap
--;
12841 ctx
->delta_stats
.num_evict
++;
12842 ctx
->delta_stats
.num_evict_kb
+= SHIFT_ROUND_UP(obc
->obs
.oi
.size
, 10);
12843 if (obc
->obs
.oi
.is_dirty())
12844 --ctx
->delta_stats
.num_objects_dirty
;
12846 finish_ctx(ctx
.get(), pg_log_entry_t::DELETE
, false);
12847 simple_opc_submit(std::move(ctx
));
12848 osd
->logger
->inc(l_osd_tier_evict
);
12849 osd
->logger
->inc(l_osd_agent_evict
);
12853 void PrimaryLogPG::agent_stop()
12855 dout(20) << __func__
<< dendl
;
12856 if (agent_state
&& !agent_state
->is_idle()) {
12857 agent_state
->evict_mode
= TierAgentState::EVICT_MODE_IDLE
;
12858 agent_state
->flush_mode
= TierAgentState::FLUSH_MODE_IDLE
;
12859 osd
->agent_disable_pg(this, agent_state
->evict_effort
);
12863 void PrimaryLogPG::agent_delay()
12865 dout(20) << __func__
<< dendl
;
12866 if (agent_state
&& !agent_state
->is_idle()) {
12867 assert(agent_state
->delaying
== false);
12868 agent_state
->delaying
= true;
12869 osd
->agent_disable_pg(this, agent_state
->evict_effort
);
12873 void PrimaryLogPG::agent_choose_mode_restart()
12875 dout(20) << __func__
<< dendl
;
12877 if (agent_state
&& agent_state
->delaying
) {
12878 agent_state
->delaying
= false;
12879 agent_choose_mode(true);
12884 bool PrimaryLogPG::agent_choose_mode(bool restart
, OpRequestRef op
)
12886 bool requeued
= false;
12887 // Let delay play out
12888 if (agent_state
->delaying
) {
12889 dout(20) << __func__
<< this << " delaying, ignored" << dendl
;
12893 TierAgentState::flush_mode_t flush_mode
= TierAgentState::FLUSH_MODE_IDLE
;
12894 TierAgentState::evict_mode_t evict_mode
= TierAgentState::EVICT_MODE_IDLE
;
12895 unsigned evict_effort
= 0;
12897 if (info
.stats
.stats_invalid
) {
12898 // idle; stats can't be trusted until we scrub.
12899 dout(20) << __func__
<< " stats invalid (post-split), idle" << dendl
;
12904 uint64_t divisor
= pool
.info
.get_pg_num_divisor(info
.pgid
.pgid
);
12905 assert(divisor
> 0);
12907 // adjust (effective) user objects down based on the number
12908 // of HitSet objects, which should not count toward our total since
12909 // they cannot be flushed.
12910 uint64_t unflushable
= info
.stats
.stats
.sum
.num_objects_hit_set_archive
;
12912 // also exclude omap objects if ec backing pool
12913 const pg_pool_t
*base_pool
= get_osdmap()->get_pg_pool(pool
.info
.tier_of
);
12915 if (!base_pool
->supports_omap())
12916 unflushable
+= info
.stats
.stats
.sum
.num_objects_omap
;
12918 uint64_t num_user_objects
= info
.stats
.stats
.sum
.num_objects
;
12919 if (num_user_objects
> unflushable
)
12920 num_user_objects
-= unflushable
;
12922 num_user_objects
= 0;
12924 uint64_t num_user_bytes
= info
.stats
.stats
.sum
.num_bytes
;
12925 uint64_t unflushable_bytes
= info
.stats
.stats
.sum
.num_bytes_hit_set_archive
;
12926 num_user_bytes
-= unflushable_bytes
;
12927 uint64_t num_overhead_bytes
= osd
->store
->estimate_objects_overhead(num_user_objects
);
12928 num_user_bytes
+= num_overhead_bytes
;
12930 // also reduce the num_dirty by num_objects_omap
12931 int64_t num_dirty
= info
.stats
.stats
.sum
.num_objects_dirty
;
12932 if (!base_pool
->supports_omap()) {
12933 if (num_dirty
> info
.stats
.stats
.sum
.num_objects_omap
)
12934 num_dirty
-= info
.stats
.stats
.sum
.num_objects_omap
;
12939 dout(10) << __func__
12941 << TierAgentState::get_flush_mode_name(agent_state
->flush_mode
)
12943 << TierAgentState::get_evict_mode_name(agent_state
->evict_mode
)
12944 << " num_objects: " << info
.stats
.stats
.sum
.num_objects
12945 << " num_bytes: " << info
.stats
.stats
.sum
.num_bytes
12946 << " num_objects_dirty: " << info
.stats
.stats
.sum
.num_objects_dirty
12947 << " num_objects_omap: " << info
.stats
.stats
.sum
.num_objects_omap
12948 << " num_dirty: " << num_dirty
12949 << " num_user_objects: " << num_user_objects
12950 << " num_user_bytes: " << num_user_bytes
12951 << " num_overhead_bytes: " << num_overhead_bytes
12952 << " pool.info.target_max_bytes: " << pool
.info
.target_max_bytes
12953 << " pool.info.target_max_objects: " << pool
.info
.target_max_objects
12956 // get dirty, full ratios
12957 uint64_t dirty_micro
= 0;
12958 uint64_t full_micro
= 0;
12959 if (pool
.info
.target_max_bytes
&& num_user_objects
> 0) {
12960 uint64_t avg_size
= num_user_bytes
/ num_user_objects
;
12962 num_dirty
* avg_size
* 1000000 /
12963 MAX(pool
.info
.target_max_bytes
/ divisor
, 1);
12965 num_user_objects
* avg_size
* 1000000 /
12966 MAX(pool
.info
.target_max_bytes
/ divisor
, 1);
12968 if (pool
.info
.target_max_objects
> 0) {
12969 uint64_t dirty_objects_micro
=
12970 num_dirty
* 1000000 /
12971 MAX(pool
.info
.target_max_objects
/ divisor
, 1);
12972 if (dirty_objects_micro
> dirty_micro
)
12973 dirty_micro
= dirty_objects_micro
;
12974 uint64_t full_objects_micro
=
12975 num_user_objects
* 1000000 /
12976 MAX(pool
.info
.target_max_objects
/ divisor
, 1);
12977 if (full_objects_micro
> full_micro
)
12978 full_micro
= full_objects_micro
;
12980 dout(20) << __func__
<< " dirty " << ((float)dirty_micro
/ 1000000.0)
12981 << " full " << ((float)full_micro
/ 1000000.0)
12985 uint64_t flush_target
= pool
.info
.cache_target_dirty_ratio_micro
;
12986 uint64_t flush_high_target
= pool
.info
.cache_target_dirty_high_ratio_micro
;
12987 uint64_t flush_slop
= (float)flush_target
* cct
->_conf
->osd_agent_slop
;
12988 if (restart
|| agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_IDLE
) {
12989 flush_target
+= flush_slop
;
12990 flush_high_target
+= flush_slop
;
12992 flush_target
-= MIN(flush_target
, flush_slop
);
12993 flush_high_target
-= MIN(flush_high_target
, flush_slop
);
12996 if (dirty_micro
> flush_high_target
) {
12997 flush_mode
= TierAgentState::FLUSH_MODE_HIGH
;
12998 } else if (dirty_micro
> flush_target
) {
12999 flush_mode
= TierAgentState::FLUSH_MODE_LOW
;
13003 uint64_t evict_target
= pool
.info
.cache_target_full_ratio_micro
;
13004 uint64_t evict_slop
= (float)evict_target
* cct
->_conf
->osd_agent_slop
;
13005 if (restart
|| agent_state
->evict_mode
== TierAgentState::EVICT_MODE_IDLE
)
13006 evict_target
+= evict_slop
;
13008 evict_target
-= MIN(evict_target
, evict_slop
);
13010 if (full_micro
> 1000000) {
13011 // evict anything clean
13012 evict_mode
= TierAgentState::EVICT_MODE_FULL
;
13013 evict_effort
= 1000000;
13014 } else if (full_micro
> evict_target
) {
13015 // set effort in [0..1] range based on where we are between
13016 evict_mode
= TierAgentState::EVICT_MODE_SOME
;
13017 uint64_t over
= full_micro
- evict_target
;
13018 uint64_t span
= 1000000 - evict_target
;
13019 evict_effort
= MAX(over
* 1000000 / span
,
13020 (unsigned)(1000000.0 * cct
->_conf
->osd_agent_min_evict_effort
));
13022 // quantize effort to avoid too much reordering in the agent_queue.
13023 uint64_t inc
= cct
->_conf
->osd_agent_quantize_effort
* 1000000;
13025 uint64_t was
= evict_effort
;
13026 evict_effort
-= evict_effort
% inc
;
13027 if (evict_effort
< inc
)
13028 evict_effort
= inc
;
13029 assert(evict_effort
>= inc
&& evict_effort
<= 1000000);
13030 dout(30) << __func__
<< " evict_effort " << was
<< " quantized by " << inc
<< " to " << evict_effort
<< dendl
;
13035 bool old_idle
= agent_state
->is_idle();
13036 if (flush_mode
!= agent_state
->flush_mode
) {
13037 dout(5) << __func__
<< " flush_mode "
13038 << TierAgentState::get_flush_mode_name(agent_state
->flush_mode
)
13040 << TierAgentState::get_flush_mode_name(flush_mode
)
13042 if (flush_mode
== TierAgentState::FLUSH_MODE_HIGH
) {
13043 osd
->agent_inc_high_count();
13044 info
.stats
.stats
.sum
.num_flush_mode_high
= 1;
13045 } else if (flush_mode
== TierAgentState::FLUSH_MODE_LOW
) {
13046 info
.stats
.stats
.sum
.num_flush_mode_low
= 1;
13048 if (agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_HIGH
) {
13049 osd
->agent_dec_high_count();
13050 info
.stats
.stats
.sum
.num_flush_mode_high
= 0;
13051 } else if (agent_state
->flush_mode
== TierAgentState::FLUSH_MODE_LOW
) {
13052 info
.stats
.stats
.sum
.num_flush_mode_low
= 0;
13054 agent_state
->flush_mode
= flush_mode
;
13056 if (evict_mode
!= agent_state
->evict_mode
) {
13057 dout(5) << __func__
<< " evict_mode "
13058 << TierAgentState::get_evict_mode_name(agent_state
->evict_mode
)
13060 << TierAgentState::get_evict_mode_name(evict_mode
)
13062 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
&&
13066 requeue_ops(waiting_for_active
);
13067 requeue_ops(waiting_for_scrub
);
13068 requeue_ops(waiting_for_cache_not_full
);
13069 objects_blocked_on_cache_full
.clear();
13072 if (evict_mode
== TierAgentState::EVICT_MODE_SOME
) {
13073 info
.stats
.stats
.sum
.num_evict_mode_some
= 1;
13074 } else if (evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
13075 info
.stats
.stats
.sum
.num_evict_mode_full
= 1;
13077 if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_SOME
) {
13078 info
.stats
.stats
.sum
.num_evict_mode_some
= 0;
13079 } else if (agent_state
->evict_mode
== TierAgentState::EVICT_MODE_FULL
) {
13080 info
.stats
.stats
.sum
.num_evict_mode_full
= 0;
13082 agent_state
->evict_mode
= evict_mode
;
13084 uint64_t old_effort
= agent_state
->evict_effort
;
13085 if (evict_effort
!= agent_state
->evict_effort
) {
13086 dout(5) << __func__
<< " evict_effort "
13087 << ((float)agent_state
->evict_effort
/ 1000000.0)
13089 << ((float)evict_effort
/ 1000000.0)
13091 agent_state
->evict_effort
= evict_effort
;
13094 // NOTE: we are using evict_effort as a proxy for *all* agent effort
13095 // (including flush). This is probably fine (they should be
13096 // correlated) but it is not precisely correct.
13097 if (agent_state
->is_idle()) {
13098 if (!restart
&& !old_idle
) {
13099 osd
->agent_disable_pg(this, old_effort
);
13102 if (restart
|| old_idle
) {
13103 osd
->agent_enable_pg(this, agent_state
->evict_effort
);
13104 } else if (old_effort
!= agent_state
->evict_effort
) {
13105 osd
->agent_adjust_pg(this, old_effort
, agent_state
->evict_effort
);
13111 void PrimaryLogPG::agent_estimate_temp(const hobject_t
& oid
, int *temp
)
13116 if (hit_set
->contains(oid
))
13119 int last_n
= pool
.info
.hit_set_search_last_n
;
13120 for (map
<time_t,HitSetRef
>::reverse_iterator p
=
13121 agent_state
->hit_set_map
.rbegin(); last_n
> 0 &&
13122 p
!= agent_state
->hit_set_map
.rend(); ++p
, ++i
) {
13123 if (p
->second
->contains(oid
)) {
13124 *temp
+= pool
.info
.get_grade(i
);
13130 // Dup op detection
13132 bool PrimaryLogPG::already_complete(eversion_t v
)
13134 dout(20) << __func__
<< ": " << v
<< dendl
;
13135 for (xlist
<RepGather
*>::iterator i
= repop_queue
.begin();
13138 dout(20) << __func__
<< ": " << **i
<< dendl
;
13139 // skip copy from temp object ops
13140 if ((*i
)->v
== eversion_t()) {
13141 dout(20) << __func__
<< ": " << **i
13142 << " version is empty" << dendl
;
13146 dout(20) << __func__
<< ": " << **i
13147 << " (*i)->v past v" << dendl
;
13150 if (!(*i
)->all_committed
) {
13151 dout(20) << __func__
<< ": " << **i
13152 << " not committed, returning false"
13157 dout(20) << __func__
<< ": returning true" << dendl
;
13161 bool PrimaryLogPG::already_ack(eversion_t v
)
13163 dout(20) << __func__
<< ": " << v
<< dendl
;
13164 for (xlist
<RepGather
*>::iterator i
= repop_queue
.begin();
13167 // skip copy from temp object ops
13168 if ((*i
)->v
== eversion_t()) {
13169 dout(20) << __func__
<< ": " << **i
13170 << " version is empty" << dendl
;
13174 dout(20) << __func__
<< ": " << **i
13175 << " (*i)->v past v" << dendl
;
13178 if (!(*i
)->all_applied
) {
13179 dout(20) << __func__
<< ": " << **i
13180 << " not applied, returning false"
13185 dout(20) << __func__
<< ": returning true" << dendl
;
13190 // ==========================================================================================
13194 bool PrimaryLogPG::_range_available_for_scrub(
13195 const hobject_t
&begin
, const hobject_t
&end
)
13197 pair
<hobject_t
, ObjectContextRef
> next
;
13198 next
.second
= object_contexts
.lookup(begin
);
13199 next
.first
= begin
;
13201 while (more
&& next
.first
< end
) {
13202 if (next
.second
&& next
.second
->is_blocked()) {
13203 next
.second
->requeue_scrub_on_unblock
= true;
13204 dout(10) << __func__
<< ": scrub delayed, "
13205 << next
.first
<< " is blocked"
13209 more
= object_contexts
.get_next(next
.first
, &next
);
13214 static bool doing_clones(const boost::optional
<SnapSet
> &snapset
,
13215 const vector
<snapid_t
>::reverse_iterator
&curclone
) {
13216 return snapset
&& curclone
!= snapset
.get().clones
.rend();
13219 void PrimaryLogPG::log_missing(unsigned missing
,
13220 const boost::optional
<hobject_t
> &head
,
13221 LogChannelRef clog
,
13225 bool allow_incomplete_clones
)
13228 if (allow_incomplete_clones
) {
13229 dout(20) << func
<< " " << mode
<< " " << pgid
<< " " << head
.get()
13230 << " skipped " << missing
<< " clone(s) in cache tier" << dendl
;
13232 clog
->info() << mode
<< " " << pgid
<< " " << head
.get()
13233 << " " << missing
<< " missing clone(s)";
13237 unsigned PrimaryLogPG::process_clones_to(const boost::optional
<hobject_t
> &head
,
13238 const boost::optional
<SnapSet
> &snapset
,
13239 LogChannelRef clog
,
13242 bool allow_incomplete_clones
,
13243 boost::optional
<snapid_t
> target
,
13244 vector
<snapid_t
>::reverse_iterator
*curclone
,
13245 inconsistent_snapset_wrapper
&e
)
13249 unsigned missing
= 0;
13251 // NOTE: clones are in descending order, thus **curclone > target test here
13252 hobject_t
next_clone(head
.get());
13253 while(doing_clones(snapset
, *curclone
) && (!target
|| **curclone
> *target
)) {
13255 // it is okay to be missing one or more clones in a cache tier.
13256 // skip higher-numbered clones in the list.
13257 if (!allow_incomplete_clones
) {
13258 next_clone
.snap
= **curclone
;
13259 clog
->error() << mode
<< " " << pgid
<< " " << head
.get()
13260 << " expected clone " << next_clone
;
13261 ++scrubber
.shallow_errors
;
13262 e
.set_clone_missing(next_clone
.snap
);
13264 // Clones are descending
13271 * Validate consistency of the object info and snap sets.
13273 * We are sort of comparing 2 lists. The main loop is on objmap.objects. But
13274 * the comparison of the objects is against multiple snapset.clones. There are
13275 * multiple clone lists and in between lists we expect head or snapdir.
13281 * obj1 snap 1 head/snapdir, unexpected obj1 snap 1
13282 * obj2 head head/snapdir, head ok
13283 * [SnapSet clones 6 4 2 1]
13284 * obj2 snap 7 obj2 snap 6, unexpected obj2 snap 7
13285 * obj2 snap 6 obj2 snap 6, match
13286 * obj2 snap 4 obj2 snap 4, match
13287 * obj3 head obj2 snap 2 (expected), obj2 snap 1 (expected), head ok
13288 * [Snapset clones 3 1]
13289 * obj3 snap 3 obj3 snap 3 match
13290 * obj3 snap 1 obj3 snap 1 match
13291 * obj4 snapdir head/snapdir, snapdir ok
13292 * [Snapset clones 4]
13293 * EOL obj4 snap 4, (expected)
13295 void PrimaryLogPG::scrub_snapshot_metadata(
13296 ScrubMap
&scrubmap
,
13297 const map
<hobject_t
, pair
<uint32_t, uint32_t>> &missing_digest
)
13299 dout(10) << __func__
<< dendl
;
13301 coll_t
c(info
.pgid
);
13302 bool repair
= state_test(PG_STATE_REPAIR
);
13303 bool deep_scrub
= state_test(PG_STATE_DEEP_SCRUB
);
13304 const char *mode
= (repair
? "repair": (deep_scrub
? "deep-scrub" : "scrub"));
13305 boost::optional
<snapid_t
> all_clones
; // Unspecified snapid_t or boost::none
13307 /// snapsets to repair
13308 map
<hobject_t
,SnapSet
> snapset_to_repair
;
13310 // traverse in reverse order.
13311 boost::optional
<hobject_t
> head
;
13312 boost::optional
<SnapSet
> snapset
; // If initialized so will head (above)
13313 vector
<snapid_t
>::reverse_iterator curclone
; // Defined only if snapset initialized
13314 unsigned missing
= 0;
13315 inconsistent_snapset_wrapper soid_error
, head_error
;
13317 bufferlist last_data
;
13319 for (map
<hobject_t
,ScrubMap::object
>::reverse_iterator
13320 p
= scrubmap
.objects
.rbegin(); p
!= scrubmap
.objects
.rend(); ++p
) {
13321 const hobject_t
& soid
= p
->first
;
13322 soid_error
= inconsistent_snapset_wrapper
{soid
};
13323 object_stat_sum_t stat
;
13324 boost::optional
<object_info_t
> oi
;
13326 if (!soid
.is_snapdir())
13327 stat
.num_objects
++;
13329 if (soid
.nspace
== cct
->_conf
->osd_hit_set_namespace
)
13330 stat
.num_objects_hit_set_archive
++;
13332 if (soid
.is_snap()) {
13334 stat
.num_object_clones
++;
13338 if (p
->second
.attrs
.count(OI_ATTR
) == 0) {
13340 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13341 << " no '" << OI_ATTR
<< "' attr";
13342 ++scrubber
.shallow_errors
;
13343 soid_error
.set_oi_attr_missing();
13346 bv
.push_back(p
->second
.attrs
[OI_ATTR
]);
13348 oi
= object_info_t(); // Initialize optional<> before decode into it
13349 oi
.get().decode(bv
);
13350 } catch (buffer::error
& e
) {
13352 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13353 << " can't decode '" << OI_ATTR
<< "' attr " << e
.what();
13354 ++scrubber
.shallow_errors
;
13355 soid_error
.set_oi_attr_corrupted();
13356 soid_error
.set_oi_attr_missing(); // Not available too
13361 if (pgbackend
->be_get_ondisk_size(oi
->size
) != p
->second
.size
) {
13362 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13363 << " on disk size (" << p
->second
.size
13364 << ") does not match object info size ("
13365 << oi
->size
<< ") adjusted for ondisk to ("
13366 << pgbackend
->be_get_ondisk_size(oi
->size
)
13368 soid_error
.set_size_mismatch();
13369 ++scrubber
.shallow_errors
;
13372 dout(20) << mode
<< " " << soid
<< " " << oi
.get() << dendl
;
13374 // A clone num_bytes will be added later when we have snapset
13375 if (!soid
.is_snap()) {
13376 stat
.num_bytes
+= oi
->size
;
13378 if (soid
.nspace
== cct
->_conf
->osd_hit_set_namespace
)
13379 stat
.num_bytes_hit_set_archive
+= oi
->size
;
13381 if (!soid
.is_snapdir()) {
13382 if (oi
->is_dirty())
13383 ++stat
.num_objects_dirty
;
13384 if (oi
->is_whiteout())
13385 ++stat
.num_whiteouts
;
13387 ++stat
.num_objects_omap
;
13388 if (oi
->is_cache_pinned())
13389 ++stat
.num_objects_pinned
;
13392 // pessimistic assumption that this object might contain a
13394 stat
.num_legacy_snapsets
++;
13397 // Check for any problems while processing clones
13398 if (doing_clones(snapset
, curclone
)) {
13399 boost::optional
<snapid_t
> target
;
13400 // Expecting an object with snap for current head
13401 if (soid
.has_snapset() || soid
.get_head() != head
->get_head()) {
13403 dout(10) << __func__
<< " " << mode
<< " " << info
.pgid
<< " new object "
13404 << soid
<< " while processing " << head
.get() << dendl
;
13406 target
= all_clones
;
13408 assert(soid
.is_snap());
13409 target
= soid
.snap
;
13412 // Log any clones we were expecting to be there up to target
13413 // This will set missing, but will be a no-op if snap.soid == *curclone.
13414 missing
+= process_clones_to(head
, snapset
, osd
->clog
, info
.pgid
, mode
,
13415 pool
.info
.allow_incomplete_clones(), target
, &curclone
,
13419 // Check doing_clones() again in case we ran process_clones_to()
13420 if (doing_clones(snapset
, curclone
)) {
13421 // A head/snapdir would have processed all clones above
13422 // or all greater than *curclone.
13423 assert(soid
.is_snap() && *curclone
<= soid
.snap
);
13425 // After processing above clone snap should match the expected curclone
13426 expected
= (*curclone
== soid
.snap
);
13428 // If we aren't doing clones any longer, then expecting head/snapdir
13429 expected
= soid
.has_snapset();
13432 // If we couldn't read the head's snapset, just ignore clones
13433 if (head
&& !snapset
) {
13434 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13435 << " clone ignored due to missing snapset";
13437 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13438 << " is an unexpected clone";
13440 ++scrubber
.shallow_errors
;
13441 soid_error
.set_headless();
13442 scrubber
.store
->add_snap_error(pool
.id
, soid_error
);
13443 if (head
&& soid
.get_head() == head
->get_head())
13444 head_error
.set_clone(soid
.snap
);
13449 if (soid
.has_snapset()) {
13452 log_missing(missing
, head
, osd
->clog
, info
.pgid
, __func__
, mode
,
13453 pool
.info
.allow_incomplete_clones());
13456 // Save previous head error information
13457 if (head
&& head_error
.errors
)
13458 scrubber
.store
->add_snap_error(pool
.id
, head_error
);
13459 // Set this as a new head object
13462 head_error
= soid_error
;
13464 dout(20) << __func__
<< " " << mode
<< " new head " << head
<< dendl
;
13466 if (p
->second
.attrs
.count(SS_ATTR
) == 0) {
13467 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13468 << " no '" << SS_ATTR
<< "' attr";
13469 ++scrubber
.shallow_errors
;
13470 snapset
= boost::none
;
13471 head_error
.set_ss_attr_missing();
13474 bl
.push_back(p
->second
.attrs
[SS_ATTR
]);
13475 bufferlist::iterator blp
= bl
.begin();
13477 snapset
= SnapSet(); // Initialize optional<> before decoding into it
13478 ::decode(snapset
.get(), blp
);
13479 } catch (buffer::error
& e
) {
13480 snapset
= boost::none
;
13481 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13482 << " can't decode '" << SS_ATTR
<< "' attr " << e
.what();
13483 ++scrubber
.shallow_errors
;
13484 head_error
.set_ss_attr_corrupted();
13489 // what will be next?
13490 curclone
= snapset
->clones
.rbegin();
13492 if (!snapset
->clones
.empty()) {
13493 dout(20) << " snapset " << snapset
.get() << dendl
;
13494 if (snapset
->seq
== 0) {
13495 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13496 << " snaps.seq not set";
13497 ++scrubber
.shallow_errors
;
13498 head_error
.set_snapset_mismatch();
13502 if (soid
.is_head() && !snapset
->head_exists
) {
13503 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13504 << " snapset.head_exists=false, but head exists";
13505 ++scrubber
.shallow_errors
;
13506 head_error
.set_head_mismatch();
13508 if (soid
.is_snapdir() && snapset
->head_exists
) {
13509 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13510 << " snapset.head_exists=true, but snapdir exists";
13511 ++scrubber
.shallow_errors
;
13512 head_error
.set_head_mismatch();
13515 if (get_osdmap()->require_osd_release
>= CEPH_RELEASE_LUMINOUS
) {
13516 if (soid
.is_snapdir()) {
13517 dout(10) << " will move snapset to head from " << soid
<< dendl
;
13518 snapset_to_repair
[soid
.get_head()] = *snapset
;
13519 } else if (snapset
->is_legacy()) {
13520 dout(10) << " will convert legacy snapset on " << soid
<< " " << *snapset
13522 snapset_to_repair
[soid
.get_head()] = *snapset
;
13525 stat
.num_legacy_snapsets
++;
13528 // pessimistic assumption that this object might contain a
13530 stat
.num_legacy_snapsets
++;
13533 assert(soid
.is_snap());
13536 assert(soid
.snap
== *curclone
);
13538 dout(20) << __func__
<< " " << mode
<< " matched clone " << soid
<< dendl
;
13540 if (snapset
->clone_size
.count(soid
.snap
) == 0) {
13541 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13542 << " is missing in clone_size";
13543 ++scrubber
.shallow_errors
;
13544 soid_error
.set_size_mismatch();
13546 if (oi
&& oi
->size
!= snapset
->clone_size
[soid
.snap
]) {
13547 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13548 << " size " << oi
->size
<< " != clone_size "
13549 << snapset
->clone_size
[*curclone
];
13550 ++scrubber
.shallow_errors
;
13551 soid_error
.set_size_mismatch();
13554 if (snapset
->clone_overlap
.count(soid
.snap
) == 0) {
13555 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13556 << " is missing in clone_overlap";
13557 ++scrubber
.shallow_errors
;
13558 soid_error
.set_size_mismatch();
13560 // This checking is based on get_clone_bytes(). The first 2 asserts
13561 // can't happen because we know we have a clone_size and
13562 // a clone_overlap. Now we check that the interval_set won't
13563 // cause the last assert.
13564 uint64_t size
= snapset
->clone_size
.find(soid
.snap
)->second
;
13565 const interval_set
<uint64_t> &overlap
=
13566 snapset
->clone_overlap
.find(soid
.snap
)->second
;
13567 bool bad_interval_set
= false;
13568 for (interval_set
<uint64_t>::const_iterator i
= overlap
.begin();
13569 i
!= overlap
.end(); ++i
) {
13570 if (size
< i
.get_len()) {
13571 bad_interval_set
= true;
13574 size
-= i
.get_len();
13577 if (bad_interval_set
) {
13578 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13579 << " bad interval_set in clone_overlap";
13580 ++scrubber
.shallow_errors
;
13581 soid_error
.set_size_mismatch();
13583 stat
.num_bytes
+= snapset
->get_clone_bytes(soid
.snap
);
13588 // migrate legacy_snaps to snapset?
13589 auto p
= snapset_to_repair
.find(soid
.get_head());
13590 if (p
!= snapset_to_repair
.end()) {
13591 if (!oi
|| oi
->legacy_snaps
.empty()) {
13592 osd
->clog
->error() << mode
<< " " << info
.pgid
<< " " << soid
13593 << " has no oi or legacy_snaps; cannot convert "
13595 ++scrubber
.shallow_errors
;
13597 dout(20) << __func__
<< " copying legacy_snaps " << oi
->legacy_snaps
13598 << " to snapset " << p
->second
<< dendl
;
13599 p
->second
.clone_snaps
[soid
.snap
] = oi
->legacy_snaps
;
13605 if (soid_error
.errors
)
13606 scrubber
.store
->add_snap_error(pool
.id
, soid_error
);
13609 scrub_cstat
.add(stat
);
13612 if (doing_clones(snapset
, curclone
)) {
13613 dout(10) << __func__
<< " " << mode
<< " " << info
.pgid
13614 << " No more objects while processing " << head
.get() << dendl
;
13616 missing
+= process_clones_to(head
, snapset
, osd
->clog
, info
.pgid
, mode
,
13617 pool
.info
.allow_incomplete_clones(), all_clones
, &curclone
,
13620 // There could be missing found by the test above or even
13621 // before dropping out of the loop for the last head.
13623 log_missing(missing
, head
, osd
->clog
, info
.pgid
, __func__
,
13624 mode
, pool
.info
.allow_incomplete_clones());
13626 if (head
&& head_error
.errors
)
13627 scrubber
.store
->add_snap_error(pool
.id
, head_error
);
13629 for (map
<hobject_t
,pair
<uint32_t,uint32_t>>::const_iterator p
=
13630 missing_digest
.begin();
13631 p
!= missing_digest
.end();
13633 if (p
->first
.is_snapdir())
13635 dout(10) << __func__
<< " recording digests for " << p
->first
<< dendl
;
13636 ObjectContextRef obc
= get_object_context(p
->first
, false);
13638 osd
->clog
->error() << info
.pgid
<< " " << mode
13639 << " cannot get object context for "
13642 } else if (obc
->obs
.oi
.soid
!= p
->first
) {
13643 osd
->clog
->error() << info
.pgid
<< " " << mode
13644 << " object " << p
->first
13645 << " has a valid oi attr with a mismatched name, "
13646 << " obc->obs.oi.soid: " << obc
->obs
.oi
.soid
;
13649 OpContextUPtr ctx
= simple_opc_create(obc
);
13650 ctx
->at_version
= get_next_version();
13651 ctx
->mtime
= utime_t(); // do not update mtime
13652 ctx
->new_obs
.oi
.set_data_digest(p
->second
.first
);
13653 ctx
->new_obs
.oi
.set_omap_digest(p
->second
.second
);
13654 finish_ctx(ctx
.get(), pg_log_entry_t::MODIFY
);
13656 ctx
->register_on_success(
13658 dout(20) << "updating scrub digest" << dendl
;
13659 if (--scrubber
.num_digest_updates_pending
== 0) {
13664 simple_opc_submit(std::move(ctx
));
13665 ++scrubber
.num_digest_updates_pending
;
13667 for (auto& p
: snapset_to_repair
) {
13668 // cache pools may not have the clones, which means we won't know
13669 // what snaps they have. fake out the clone_snaps entries anyway (with
13670 // blank snap lists).
13671 p
.second
.head_exists
= true;
13672 if (pool
.info
.allow_incomplete_clones()) {
13673 for (auto s
: p
.second
.clones
) {
13674 if (p
.second
.clone_snaps
.count(s
) == 0) {
13675 dout(10) << __func__
<< " " << p
.first
<< " faking clone_snaps for "
13677 p
.second
.clone_snaps
[s
];
13681 if (p
.second
.clones
.size() != p
.second
.clone_snaps
.size() ||
13682 p
.second
.is_legacy()) {
13683 // this happens if we encounter other errors above, like a missing
13685 dout(10) << __func__
<< " not writing snapset to " << p
.first
13686 << " snapset " << p
.second
<< " clones " << p
.second
.clones
13687 << "; didn't convert fully" << dendl
;
13688 scrub_cstat
.sum
.num_legacy_snapsets
++;
13691 dout(10) << __func__
<< " writing snapset to " << p
.first
13692 << " " << p
.second
<< dendl
;
13693 ObjectContextRef obc
= get_object_context(p
.first
, true);
13695 osd
->clog
->error() << info
.pgid
<< " " << mode
13696 << " cannot get object context for "
13699 } else if (obc
->obs
.oi
.soid
!= p
.first
) {
13700 osd
->clog
->error() << info
.pgid
<< " " << mode
13701 << " object " << p
.first
13702 << " has a valid oi attr with a mismatched name, "
13703 << " obc->obs.oi.soid: " << obc
->obs
.oi
.soid
;
13706 ObjectContextRef snapset_obc
;
13707 if (!obc
->obs
.exists
) {
13708 snapset_obc
= get_object_context(p
.first
.get_snapdir(), false);
13709 if (!snapset_obc
) {
13710 osd
->clog
->error() << info
.pgid
<< " " << mode
13711 << " cannot get object context for "
13712 << p
.first
.get_snapdir();
13716 OpContextUPtr ctx
= simple_opc_create(obc
);
13717 PGTransaction
*t
= ctx
->op_t
.get();
13718 ctx
->snapset_obc
= snapset_obc
;
13719 ctx
->at_version
= get_next_version();
13720 ctx
->mtime
= utime_t(); // do not update mtime
13721 ctx
->new_snapset
= p
.second
;
13722 if (!ctx
->new_obs
.exists
) {
13723 dout(20) << __func__
<< " making " << p
.first
<< " a whiteout" << dendl
;
13724 ctx
->new_obs
.exists
= true;
13725 ctx
->new_snapset
.head_exists
= true;
13726 ctx
->new_obs
.oi
.set_flag(object_info_t::FLAG_WHITEOUT
);
13727 ++ctx
->delta_stats
.num_whiteouts
;
13728 ++ctx
->delta_stats
.num_objects
;
13729 t
->create(p
.first
);
13730 if (p
.first
< scrubber
.start
) {
13731 dout(20) << __func__
<< " kludging around update outside of scrub range"
13734 scrub_cstat
.add(ctx
->delta_stats
);
13737 dout(20) << __func__
<< " final snapset " << ctx
->new_snapset
<< dendl
;
13738 assert(!ctx
->new_snapset
.is_legacy());
13739 finish_ctx(ctx
.get(), pg_log_entry_t::MODIFY
);
13740 ctx
->register_on_success(
13742 dout(20) << "updating snapset" << dendl
;
13743 if (--scrubber
.num_digest_updates_pending
== 0) {
13748 simple_opc_submit(std::move(ctx
));
13749 ++scrubber
.num_digest_updates_pending
;
13752 dout(10) << __func__
<< " (" << mode
<< ") finish" << dendl
;
13755 void PrimaryLogPG::_scrub_clear_state()
13757 scrub_cstat
= object_stat_collection_t();
13760 void PrimaryLogPG::_scrub_finish()
13762 bool repair
= state_test(PG_STATE_REPAIR
);
13763 bool deep_scrub
= state_test(PG_STATE_DEEP_SCRUB
);
13764 const char *mode
= (repair
? "repair": (deep_scrub
? "deep-scrub" : "scrub"));
13766 if (info
.stats
.stats_invalid
) {
13767 info
.stats
.stats
= scrub_cstat
;
13768 info
.stats
.stats_invalid
= false;
13771 agent_choose_mode();
13774 dout(10) << mode
<< " got "
13775 << scrub_cstat
.sum
.num_objects
<< "/" << info
.stats
.stats
.sum
.num_objects
<< " objects, "
13776 << scrub_cstat
.sum
.num_object_clones
<< "/" << info
.stats
.stats
.sum
.num_object_clones
<< " clones, "
13777 << scrub_cstat
.sum
.num_objects_dirty
<< "/" << info
.stats
.stats
.sum
.num_objects_dirty
<< " dirty, "
13778 << scrub_cstat
.sum
.num_objects_omap
<< "/" << info
.stats
.stats
.sum
.num_objects_omap
<< " omap, "
13779 << scrub_cstat
.sum
.num_objects_pinned
<< "/" << info
.stats
.stats
.sum
.num_objects_pinned
<< " pinned, "
13780 << scrub_cstat
.sum
.num_objects_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_objects_hit_set_archive
<< " hit_set_archive, "
13781 << scrub_cstat
.sum
.num_bytes
<< "/" << info
.stats
.stats
.sum
.num_bytes
<< " bytes, "
13782 << scrub_cstat
.sum
.num_bytes_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_bytes_hit_set_archive
<< " hit_set_archive bytes."
13785 if (scrub_cstat
.sum
.num_objects
!= info
.stats
.stats
.sum
.num_objects
||
13786 scrub_cstat
.sum
.num_object_clones
!= info
.stats
.stats
.sum
.num_object_clones
||
13787 (scrub_cstat
.sum
.num_objects_dirty
!= info
.stats
.stats
.sum
.num_objects_dirty
&&
13788 !info
.stats
.dirty_stats_invalid
) ||
13789 (scrub_cstat
.sum
.num_objects_omap
!= info
.stats
.stats
.sum
.num_objects_omap
&&
13790 !info
.stats
.omap_stats_invalid
) ||
13791 (scrub_cstat
.sum
.num_objects_pinned
!= info
.stats
.stats
.sum
.num_objects_pinned
&&
13792 !info
.stats
.pin_stats_invalid
) ||
13793 (scrub_cstat
.sum
.num_objects_hit_set_archive
!= info
.stats
.stats
.sum
.num_objects_hit_set_archive
&&
13794 !info
.stats
.hitset_stats_invalid
) ||
13795 (scrub_cstat
.sum
.num_bytes_hit_set_archive
!= info
.stats
.stats
.sum
.num_bytes_hit_set_archive
&&
13796 !info
.stats
.hitset_bytes_stats_invalid
) ||
13797 scrub_cstat
.sum
.num_whiteouts
!= info
.stats
.stats
.sum
.num_whiteouts
||
13798 scrub_cstat
.sum
.num_bytes
!= info
.stats
.stats
.sum
.num_bytes
) {
13799 osd
->clog
->error() << info
.pgid
<< " " << mode
13800 << " stat mismatch, got "
13801 << scrub_cstat
.sum
.num_objects
<< "/" << info
.stats
.stats
.sum
.num_objects
<< " objects, "
13802 << scrub_cstat
.sum
.num_object_clones
<< "/" << info
.stats
.stats
.sum
.num_object_clones
<< " clones, "
13803 << scrub_cstat
.sum
.num_objects_dirty
<< "/" << info
.stats
.stats
.sum
.num_objects_dirty
<< " dirty, "
13804 << scrub_cstat
.sum
.num_objects_omap
<< "/" << info
.stats
.stats
.sum
.num_objects_omap
<< " omap, "
13805 << scrub_cstat
.sum
.num_objects_pinned
<< "/" << info
.stats
.stats
.sum
.num_objects_pinned
<< " pinned, "
13806 << scrub_cstat
.sum
.num_objects_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_objects_hit_set_archive
<< " hit_set_archive, "
13807 << scrub_cstat
.sum
.num_whiteouts
<< "/" << info
.stats
.stats
.sum
.num_whiteouts
<< " whiteouts, "
13808 << scrub_cstat
.sum
.num_bytes
<< "/" << info
.stats
.stats
.sum
.num_bytes
<< " bytes, "
13809 << scrub_cstat
.sum
.num_bytes_hit_set_archive
<< "/" << info
.stats
.stats
.sum
.num_bytes_hit_set_archive
<< " hit_set_archive bytes.";
13810 ++scrubber
.shallow_errors
;
13814 info
.stats
.stats
= scrub_cstat
;
13815 info
.stats
.dirty_stats_invalid
= false;
13816 info
.stats
.omap_stats_invalid
= false;
13817 info
.stats
.hitset_stats_invalid
= false;
13818 info
.stats
.hitset_bytes_stats_invalid
= false;
13819 publish_stats_to_osd();
13822 } else if (scrub_cstat
.sum
.num_legacy_snapsets
!=
13823 info
.stats
.stats
.sum
.num_legacy_snapsets
) {
13824 osd
->clog
->info() << info
.pgid
<< " " << mode
<< " updated num_legacy_snapsets"
13825 << " from " << info
.stats
.stats
.sum
.num_legacy_snapsets
13826 << " -> " << scrub_cstat
.sum
.num_legacy_snapsets
<< "\n";
13827 info
.stats
.stats
.sum
.num_legacy_snapsets
= scrub_cstat
.sum
.num_legacy_snapsets
;
13828 publish_stats_to_osd();
13833 bool PrimaryLogPG::check_osdmap_full(const set
<pg_shard_t
> &missing_on
)
13835 return osd
->check_osdmap_full(missing_on
);
13838 /*---SnapTrimmer Logging---*/
13840 #define dout_prefix *_dout << pg->gen_prefix()
13842 void PrimaryLogPG::SnapTrimmer::log_enter(const char *state_name
)
13844 ldout(pg
->cct
, 20) << "enter " << state_name
<< dendl
;
13847 void PrimaryLogPG::SnapTrimmer::log_exit(const char *state_name
, utime_t enter_time
)
13849 ldout(pg
->cct
, 20) << "exit " << state_name
<< dendl
;
13852 /*---SnapTrimmer states---*/
13854 #define dout_prefix (*_dout << context< SnapTrimmer >().pg->gen_prefix() \
13855 << "SnapTrimmer state<" << get_state_name() << ">: ")
13858 PrimaryLogPG::NotTrimming::NotTrimming(my_context ctx
)
13860 NamedState(context
< SnapTrimmer
>().pg
, "NotTrimming")
13862 context
< SnapTrimmer
>().log_enter(state_name
);
13865 void PrimaryLogPG::NotTrimming::exit()
13867 context
< SnapTrimmer
>().log_exit(state_name
, enter_time
);
13870 boost::statechart::result
PrimaryLogPG::NotTrimming::react(const KickTrim
&)
13872 PrimaryLogPG
*pg
= context
< SnapTrimmer
>().pg
;
13873 ldout(pg
->cct
, 10) << "NotTrimming react KickTrim" << dendl
;
13875 if (!(pg
->is_primary() && pg
->is_active())) {
13876 ldout(pg
->cct
, 10) << "NotTrimming not primary or active" << dendl
;
13877 return discard_event();
13879 if (!pg
->is_clean() ||
13880 pg
->snap_trimq
.empty()) {
13881 ldout(pg
->cct
, 10) << "NotTrimming not clean or nothing to trim" << dendl
;
13882 return discard_event();
13884 if (pg
->scrubber
.active
) {
13885 ldout(pg
->cct
, 10) << " scrubbing, will requeue snap_trimmer after" << dendl
;
13886 pg
->scrubber
.queue_snap_trim
= true;
13887 return transit
< WaitScrub
>();
13889 return transit
< Trimming
>();
13893 boost::statechart::result
PrimaryLogPG::WaitReservation::react(const SnapTrimReserved
&)
13895 PrimaryLogPG
*pg
= context
< SnapTrimmer
>().pg
;
13896 ldout(pg
->cct
, 10) << "WaitReservation react SnapTrimReserved" << dendl
;
13899 if (!context
< SnapTrimmer
>().can_trim()) {
13900 post_event(KickTrim());
13901 return transit
< NotTrimming
>();
13904 context
<Trimming
>().snap_to_trim
= pg
->snap_trimq
.range_start();
13905 ldout(pg
->cct
, 10) << "NotTrimming: trimming "
13906 << pg
->snap_trimq
.range_start()
13908 return transit
< AwaitAsyncWork
>();
13911 /* AwaitAsyncWork */
13912 PrimaryLogPG::AwaitAsyncWork::AwaitAsyncWork(my_context ctx
)
13914 NamedState(context
< SnapTrimmer
>().pg
, "Trimming/AwaitAsyncWork")
13916 auto *pg
= context
< SnapTrimmer
>().pg
;
13917 context
< SnapTrimmer
>().log_enter(state_name
);
13918 context
< SnapTrimmer
>().pg
->osd
->queue_for_snap_trim(pg
);
13919 pg
->state_set(PG_STATE_SNAPTRIM
);
13920 pg
->publish_stats_to_osd();
13923 boost::statechart::result
PrimaryLogPG::AwaitAsyncWork::react(const DoSnapWork
&)
13925 PrimaryLogPGRef pg
= context
< SnapTrimmer
>().pg
;
13926 snapid_t snap_to_trim
= context
<Trimming
>().snap_to_trim
;
13927 auto &in_flight
= context
<Trimming
>().in_flight
;
13928 assert(in_flight
.empty());
13930 assert(pg
->is_primary() && pg
->is_active());
13931 if (!context
< SnapTrimmer
>().can_trim()) {
13932 ldout(pg
->cct
, 10) << "something changed, reverting to NotTrimming" << dendl
;
13933 post_event(KickTrim());
13934 return transit
< NotTrimming
>();
13937 ldout(pg
->cct
, 10) << "AwaitAsyncWork: trimming snap " << snap_to_trim
<< dendl
;
13939 vector
<hobject_t
> to_trim
;
13940 unsigned max
= pg
->cct
->_conf
->osd_pg_max_concurrent_snap_trims
;
13941 to_trim
.reserve(max
);
13942 int r
= pg
->snap_mapper
.get_next_objects_to_trim(
13946 if (r
!= 0 && r
!= -ENOENT
) {
13947 lderr(pg
->cct
) << "get_next_objects_to_trim returned "
13948 << cpp_strerror(r
) << dendl
;
13949 assert(0 == "get_next_objects_to_trim returned an invalid code");
13950 } else if (r
== -ENOENT
) {
13952 ldout(pg
->cct
, 10) << "got ENOENT" << dendl
;
13954 ldout(pg
->cct
, 10) << "adding snap " << snap_to_trim
13955 << " to purged_snaps"
13957 pg
->info
.purged_snaps
.insert(snap_to_trim
);
13958 pg
->snap_trimq
.erase(snap_to_trim
);
13959 ldout(pg
->cct
, 10) << "purged_snaps now "
13960 << pg
->info
.purged_snaps
<< ", snap_trimq now "
13961 << pg
->snap_trimq
<< dendl
;
13963 ObjectStore::Transaction t
;
13964 pg
->dirty_big_info
= true;
13965 pg
->write_if_dirty(t
);
13966 int tr
= pg
->osd
->store
->queue_transaction(pg
->osr
.get(), std::move(t
), NULL
);
13969 pg
->share_pg_info();
13970 post_event(KickTrim());
13971 return transit
< NotTrimming
>();
13973 assert(!to_trim
.empty());
13975 for (auto &&object
: to_trim
) {
13977 ldout(pg
->cct
, 10) << "AwaitAsyncWork react trimming " << object
<< dendl
;
13978 OpContextUPtr ctx
= pg
->trim_object(in_flight
.empty(), object
);
13980 ldout(pg
->cct
, 10) << "could not get write lock on obj "
13981 << object
<< dendl
;
13982 if (in_flight
.empty()) {
13983 ldout(pg
->cct
, 10) << "waiting for it to clear"
13985 return transit
< WaitRWLock
>();
13988 ldout(pg
->cct
, 10) << "letting the ones we already started finish" << dendl
;
13989 return transit
< WaitRepops
>();
13993 in_flight
.insert(object
);
13994 ctx
->register_on_success(
13995 [pg
, object
, &in_flight
]() {
13996 assert(in_flight
.find(object
) != in_flight
.end());
13997 in_flight
.erase(object
);
13998 if (in_flight
.empty())
13999 pg
->snap_trimmer_machine
.process_event(RepopsComplete());
14002 pg
->simple_opc_submit(std::move(ctx
));
14005 return transit
< WaitRepops
>();
14008 void PrimaryLogPG::setattr_maybe_cache(
14009 ObjectContextRef obc
,
14015 t
->setattr(obc
->obs
.oi
.soid
, key
, val
);
14018 void PrimaryLogPG::setattrs_maybe_cache(
14019 ObjectContextRef obc
,
14022 map
<string
, bufferlist
> &attrs
)
14024 t
->setattrs(obc
->obs
.oi
.soid
, attrs
);
14027 void PrimaryLogPG::rmattr_maybe_cache(
14028 ObjectContextRef obc
,
14033 t
->rmattr(obc
->obs
.oi
.soid
, key
);
14036 int PrimaryLogPG::getattr_maybe_cache(
14037 ObjectContextRef obc
,
14041 if (pool
.info
.require_rollback()) {
14042 map
<string
, bufferlist
>::iterator i
= obc
->attr_cache
.find(key
);
14043 if (i
!= obc
->attr_cache
.end()) {
14051 return pgbackend
->objects_get_attr(obc
->obs
.oi
.soid
, key
, val
);
14054 int PrimaryLogPG::getattrs_maybe_cache(
14055 ObjectContextRef obc
,
14056 map
<string
, bufferlist
> *out
,
14060 if (pool
.info
.require_rollback()) {
14062 *out
= obc
->attr_cache
;
14064 r
= pgbackend
->objects_get_attrs(obc
->obs
.oi
.soid
, out
);
14066 if (out
&& user_only
) {
14067 map
<string
, bufferlist
> tmp
;
14068 for (map
<string
, bufferlist
>::iterator i
= out
->begin();
14071 if (i
->first
.size() > 1 && i
->first
[0] == '_')
14072 tmp
[i
->first
.substr(1, i
->first
.size())].claim(i
->second
);
14079 bool PrimaryLogPG::check_failsafe_full(ostream
&ss
) {
14080 return osd
->check_failsafe_full(ss
);
14083 void intrusive_ptr_add_ref(PrimaryLogPG
*pg
) { pg
->get("intptr"); }
14084 void intrusive_ptr_release(PrimaryLogPG
*pg
) { pg
->put("intptr"); }
14086 #ifdef PG_DEBUG_REFS
14087 uint64_t get_with_id(PrimaryLogPG
*pg
) { return pg
->get_with_id(); }
14088 void put_with_id(PrimaryLogPG
*pg
, uint64_t id
) { return pg
->put_with_id(id
); }
14091 void intrusive_ptr_add_ref(PrimaryLogPG::RepGather
*repop
) { repop
->get(); }
14092 void intrusive_ptr_release(PrimaryLogPG::RepGather
*repop
) { repop
->put(); }