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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2013 Inktank Storage, Inc. | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | #include "common/errno.h" | |
15 | #include "ReplicatedBackend.h" | |
16 | #include "messages/MOSDOp.h" | |
17 | #include "messages/MOSDSubOp.h" | |
18 | #include "messages/MOSDRepOp.h" | |
19 | #include "messages/MOSDSubOpReply.h" | |
20 | #include "messages/MOSDRepOpReply.h" | |
21 | #include "messages/MOSDPGPush.h" | |
22 | #include "messages/MOSDPGPull.h" | |
23 | #include "messages/MOSDPGPushReply.h" | |
24 | #include "common/EventTrace.h" | |
25 | ||
26 | #define dout_context cct | |
27 | #define dout_subsys ceph_subsys_osd | |
28 | #define DOUT_PREFIX_ARGS this | |
29 | #undef dout_prefix | |
30 | #define dout_prefix _prefix(_dout, this) | |
31 | static ostream& _prefix(std::ostream *_dout, ReplicatedBackend *pgb) { | |
32 | return *_dout << pgb->get_parent()->gen_dbg_prefix(); | |
33 | } | |
34 | ||
35 | namespace { | |
36 | class PG_SendMessageOnConn: public Context { | |
37 | PGBackend::Listener *pg; | |
38 | Message *reply; | |
39 | ConnectionRef conn; | |
40 | public: | |
41 | PG_SendMessageOnConn( | |
42 | PGBackend::Listener *pg, | |
43 | Message *reply, | |
44 | ConnectionRef conn) : pg(pg), reply(reply), conn(conn) {} | |
45 | void finish(int) override { | |
46 | pg->send_message_osd_cluster(reply, conn.get()); | |
47 | } | |
48 | }; | |
49 | ||
50 | class PG_RecoveryQueueAsync : public Context { | |
51 | PGBackend::Listener *pg; | |
52 | unique_ptr<GenContext<ThreadPool::TPHandle&>> c; | |
53 | public: | |
54 | PG_RecoveryQueueAsync( | |
55 | PGBackend::Listener *pg, | |
56 | GenContext<ThreadPool::TPHandle&> *c) : pg(pg), c(c) {} | |
57 | void finish(int) override { | |
58 | pg->schedule_recovery_work(c.release()); | |
59 | } | |
60 | }; | |
61 | } | |
62 | ||
63 | struct ReplicatedBackend::C_OSD_RepModifyApply : public Context { | |
64 | ReplicatedBackend *pg; | |
65 | RepModifyRef rm; | |
66 | C_OSD_RepModifyApply(ReplicatedBackend *pg, RepModifyRef r) | |
67 | : pg(pg), rm(r) {} | |
68 | void finish(int r) override { | |
69 | pg->repop_applied(rm); | |
70 | } | |
71 | }; | |
72 | ||
73 | struct ReplicatedBackend::C_OSD_RepModifyCommit : public Context { | |
74 | ReplicatedBackend *pg; | |
75 | RepModifyRef rm; | |
76 | C_OSD_RepModifyCommit(ReplicatedBackend *pg, RepModifyRef r) | |
77 | : pg(pg), rm(r) {} | |
78 | void finish(int r) override { | |
79 | pg->repop_commit(rm); | |
80 | } | |
81 | }; | |
82 | ||
83 | static void log_subop_stats( | |
84 | PerfCounters *logger, | |
85 | OpRequestRef op, int subop) | |
86 | { | |
87 | utime_t now = ceph_clock_now(); | |
88 | utime_t latency = now; | |
89 | latency -= op->get_req()->get_recv_stamp(); | |
90 | ||
91 | ||
92 | logger->inc(l_osd_sop); | |
93 | logger->tinc(l_osd_sop_lat, latency); | |
94 | logger->inc(subop); | |
95 | ||
96 | if (subop != l_osd_sop_pull) { | |
97 | uint64_t inb = op->get_req()->get_data().length(); | |
98 | logger->inc(l_osd_sop_inb, inb); | |
99 | if (subop == l_osd_sop_w) { | |
100 | logger->inc(l_osd_sop_w_inb, inb); | |
101 | logger->tinc(l_osd_sop_w_lat, latency); | |
102 | } else if (subop == l_osd_sop_push) { | |
103 | logger->inc(l_osd_sop_push_inb, inb); | |
104 | logger->tinc(l_osd_sop_push_lat, latency); | |
105 | } else | |
106 | assert("no support subop" == 0); | |
107 | } else { | |
108 | logger->tinc(l_osd_sop_pull_lat, latency); | |
109 | } | |
110 | } | |
111 | ||
112 | ReplicatedBackend::ReplicatedBackend( | |
113 | PGBackend::Listener *pg, | |
114 | coll_t coll, | |
115 | ObjectStore::CollectionHandle &c, | |
116 | ObjectStore *store, | |
117 | CephContext *cct) : | |
118 | PGBackend(cct, pg, store, coll, c) {} | |
119 | ||
120 | void ReplicatedBackend::run_recovery_op( | |
121 | PGBackend::RecoveryHandle *_h, | |
122 | int priority) | |
123 | { | |
124 | RPGHandle *h = static_cast<RPGHandle *>(_h); | |
125 | send_pushes(priority, h->pushes); | |
126 | send_pulls(priority, h->pulls); | |
c07f9fc5 | 127 | send_recovery_deletes(priority, h->deletes); |
7c673cae FG |
128 | delete h; |
129 | } | |
130 | ||
224ce89b | 131 | int ReplicatedBackend::recover_object( |
7c673cae FG |
132 | const hobject_t &hoid, |
133 | eversion_t v, | |
134 | ObjectContextRef head, | |
135 | ObjectContextRef obc, | |
136 | RecoveryHandle *_h | |
137 | ) | |
138 | { | |
139 | dout(10) << __func__ << ": " << hoid << dendl; | |
140 | RPGHandle *h = static_cast<RPGHandle *>(_h); | |
141 | if (get_parent()->get_local_missing().is_missing(hoid)) { | |
142 | assert(!obc); | |
143 | // pull | |
144 | prepare_pull( | |
145 | v, | |
146 | hoid, | |
147 | head, | |
148 | h); | |
7c673cae FG |
149 | } else { |
150 | assert(obc); | |
151 | int started = start_pushes( | |
152 | hoid, | |
153 | obc, | |
154 | h); | |
224ce89b WB |
155 | if (started < 0) { |
156 | pushing[hoid].clear(); | |
157 | return started; | |
158 | } | |
7c673cae | 159 | } |
224ce89b | 160 | return 0; |
7c673cae FG |
161 | } |
162 | ||
163 | void ReplicatedBackend::check_recovery_sources(const OSDMapRef& osdmap) | |
164 | { | |
165 | for(map<pg_shard_t, set<hobject_t> >::iterator i = pull_from_peer.begin(); | |
166 | i != pull_from_peer.end(); | |
167 | ) { | |
168 | if (osdmap->is_down(i->first.osd)) { | |
169 | dout(10) << "check_recovery_sources resetting pulls from osd." << i->first | |
170 | << ", osdmap has it marked down" << dendl; | |
171 | for (set<hobject_t>::iterator j = i->second.begin(); | |
172 | j != i->second.end(); | |
173 | ++j) { | |
174 | get_parent()->cancel_pull(*j); | |
175 | clear_pull(pulling.find(*j), false); | |
176 | } | |
177 | pull_from_peer.erase(i++); | |
178 | } else { | |
179 | ++i; | |
180 | } | |
181 | } | |
182 | } | |
183 | ||
184 | bool ReplicatedBackend::can_handle_while_inactive(OpRequestRef op) | |
185 | { | |
186 | dout(10) << __func__ << ": " << op << dendl; | |
187 | switch (op->get_req()->get_type()) { | |
188 | case MSG_OSD_PG_PULL: | |
189 | return true; | |
190 | default: | |
191 | return false; | |
192 | } | |
193 | } | |
194 | ||
c07f9fc5 | 195 | bool ReplicatedBackend::_handle_message( |
7c673cae FG |
196 | OpRequestRef op |
197 | ) | |
198 | { | |
199 | dout(10) << __func__ << ": " << op << dendl; | |
200 | switch (op->get_req()->get_type()) { | |
201 | case MSG_OSD_PG_PUSH: | |
202 | do_push(op); | |
203 | return true; | |
204 | ||
205 | case MSG_OSD_PG_PULL: | |
206 | do_pull(op); | |
207 | return true; | |
208 | ||
209 | case MSG_OSD_PG_PUSH_REPLY: | |
210 | do_push_reply(op); | |
211 | return true; | |
212 | ||
213 | case MSG_OSD_SUBOP: { | |
214 | const MOSDSubOp *m = static_cast<const MOSDSubOp*>(op->get_req()); | |
215 | if (m->ops.size() == 0) { | |
216 | assert(0); | |
217 | } | |
218 | break; | |
219 | } | |
220 | ||
221 | case MSG_OSD_REPOP: { | |
222 | do_repop(op); | |
223 | return true; | |
224 | } | |
225 | ||
226 | case MSG_OSD_REPOPREPLY: { | |
227 | do_repop_reply(op); | |
228 | return true; | |
229 | } | |
230 | ||
231 | default: | |
232 | break; | |
233 | } | |
234 | return false; | |
235 | } | |
236 | ||
237 | void ReplicatedBackend::clear_recovery_state() | |
238 | { | |
239 | // clear pushing/pulling maps | |
240 | for (auto &&i: pushing) { | |
241 | for (auto &&j: i.second) { | |
242 | get_parent()->release_locks(j.second.lock_manager); | |
243 | } | |
244 | } | |
245 | pushing.clear(); | |
246 | ||
247 | for (auto &&i: pulling) { | |
248 | get_parent()->release_locks(i.second.lock_manager); | |
249 | } | |
250 | pulling.clear(); | |
251 | pull_from_peer.clear(); | |
252 | } | |
253 | ||
254 | void ReplicatedBackend::on_change() | |
255 | { | |
256 | dout(10) << __func__ << dendl; | |
257 | for (map<ceph_tid_t, InProgressOp>::iterator i = in_progress_ops.begin(); | |
258 | i != in_progress_ops.end(); | |
259 | in_progress_ops.erase(i++)) { | |
260 | if (i->second.on_commit) | |
261 | delete i->second.on_commit; | |
262 | if (i->second.on_applied) | |
263 | delete i->second.on_applied; | |
264 | } | |
265 | clear_recovery_state(); | |
266 | } | |
267 | ||
268 | void ReplicatedBackend::on_flushed() | |
269 | { | |
270 | } | |
271 | ||
272 | int ReplicatedBackend::objects_read_sync( | |
273 | const hobject_t &hoid, | |
274 | uint64_t off, | |
275 | uint64_t len, | |
276 | uint32_t op_flags, | |
277 | bufferlist *bl) | |
278 | { | |
279 | return store->read(ch, ghobject_t(hoid), off, len, *bl, op_flags); | |
280 | } | |
281 | ||
282 | struct AsyncReadCallback : public GenContext<ThreadPool::TPHandle&> { | |
283 | int r; | |
284 | Context *c; | |
285 | AsyncReadCallback(int r, Context *c) : r(r), c(c) {} | |
286 | void finish(ThreadPool::TPHandle&) override { | |
287 | c->complete(r); | |
288 | c = NULL; | |
289 | } | |
290 | ~AsyncReadCallback() override { | |
291 | delete c; | |
292 | } | |
293 | }; | |
294 | void ReplicatedBackend::objects_read_async( | |
295 | const hobject_t &hoid, | |
296 | const list<pair<boost::tuple<uint64_t, uint64_t, uint32_t>, | |
297 | pair<bufferlist*, Context*> > > &to_read, | |
298 | Context *on_complete, | |
299 | bool fast_read) | |
300 | { | |
301 | // There is no fast read implementation for replication backend yet | |
302 | assert(!fast_read); | |
303 | ||
304 | int r = 0; | |
305 | for (list<pair<boost::tuple<uint64_t, uint64_t, uint32_t>, | |
306 | pair<bufferlist*, Context*> > >::const_iterator i = | |
307 | to_read.begin(); | |
308 | i != to_read.end() && r >= 0; | |
309 | ++i) { | |
310 | int _r = store->read(ch, ghobject_t(hoid), i->first.get<0>(), | |
311 | i->first.get<1>(), *(i->second.first), | |
312 | i->first.get<2>()); | |
313 | if (i->second.second) { | |
314 | get_parent()->schedule_recovery_work( | |
315 | get_parent()->bless_gencontext( | |
316 | new AsyncReadCallback(_r, i->second.second))); | |
317 | } | |
318 | if (_r < 0) | |
319 | r = _r; | |
320 | } | |
321 | get_parent()->schedule_recovery_work( | |
322 | get_parent()->bless_gencontext( | |
323 | new AsyncReadCallback(r, on_complete))); | |
324 | } | |
325 | ||
326 | class C_OSD_OnOpCommit : public Context { | |
327 | ReplicatedBackend *pg; | |
328 | ReplicatedBackend::InProgressOp *op; | |
329 | public: | |
330 | C_OSD_OnOpCommit(ReplicatedBackend *pg, ReplicatedBackend::InProgressOp *op) | |
331 | : pg(pg), op(op) {} | |
332 | void finish(int) override { | |
333 | pg->op_commit(op); | |
334 | } | |
335 | }; | |
336 | ||
337 | class C_OSD_OnOpApplied : public Context { | |
338 | ReplicatedBackend *pg; | |
339 | ReplicatedBackend::InProgressOp *op; | |
340 | public: | |
341 | C_OSD_OnOpApplied(ReplicatedBackend *pg, ReplicatedBackend::InProgressOp *op) | |
342 | : pg(pg), op(op) {} | |
343 | void finish(int) override { | |
344 | pg->op_applied(op); | |
345 | } | |
346 | }; | |
347 | ||
348 | void generate_transaction( | |
349 | PGTransactionUPtr &pgt, | |
350 | const coll_t &coll, | |
351 | bool legacy_log_entries, | |
352 | vector<pg_log_entry_t> &log_entries, | |
353 | ObjectStore::Transaction *t, | |
354 | set<hobject_t> *added, | |
355 | set<hobject_t> *removed) | |
356 | { | |
357 | assert(t); | |
358 | assert(added); | |
359 | assert(removed); | |
360 | ||
361 | for (auto &&le: log_entries) { | |
362 | le.mark_unrollbackable(); | |
363 | auto oiter = pgt->op_map.find(le.soid); | |
364 | if (oiter != pgt->op_map.end() && oiter->second.updated_snaps) { | |
31f18b77 FG |
365 | bufferlist bl(oiter->second.updated_snaps->second.size() * 8 + 8); |
366 | ::encode(oiter->second.updated_snaps->second, bl); | |
367 | le.snaps.swap(bl); | |
368 | le.snaps.reassign_to_mempool(mempool::mempool_osd_pglog); | |
7c673cae FG |
369 | } |
370 | } | |
371 | ||
372 | pgt->safe_create_traverse( | |
373 | [&](pair<const hobject_t, PGTransaction::ObjectOperation> &obj_op) { | |
374 | const hobject_t &oid = obj_op.first; | |
375 | const ghobject_t goid = | |
376 | ghobject_t(oid, ghobject_t::NO_GEN, shard_id_t::NO_SHARD); | |
377 | const PGTransaction::ObjectOperation &op = obj_op.second; | |
378 | ||
379 | if (oid.is_temp()) { | |
380 | if (op.is_fresh_object()) { | |
381 | added->insert(oid); | |
382 | } else if (op.is_delete()) { | |
383 | removed->insert(oid); | |
384 | } | |
385 | } | |
386 | ||
387 | if (op.delete_first) { | |
388 | t->remove(coll, goid); | |
389 | } | |
390 | ||
391 | match( | |
392 | op.init_type, | |
393 | [&](const PGTransaction::ObjectOperation::Init::None &) { | |
394 | }, | |
395 | [&](const PGTransaction::ObjectOperation::Init::Create &op) { | |
396 | t->touch(coll, goid); | |
397 | }, | |
398 | [&](const PGTransaction::ObjectOperation::Init::Clone &op) { | |
399 | t->clone( | |
400 | coll, | |
401 | ghobject_t( | |
402 | op.source, ghobject_t::NO_GEN, shard_id_t::NO_SHARD), | |
403 | goid); | |
404 | }, | |
405 | [&](const PGTransaction::ObjectOperation::Init::Rename &op) { | |
406 | assert(op.source.is_temp()); | |
407 | t->collection_move_rename( | |
408 | coll, | |
409 | ghobject_t( | |
410 | op.source, ghobject_t::NO_GEN, shard_id_t::NO_SHARD), | |
411 | coll, | |
412 | goid); | |
413 | }); | |
414 | ||
415 | if (op.truncate) { | |
416 | t->truncate(coll, goid, op.truncate->first); | |
417 | if (op.truncate->first != op.truncate->second) | |
418 | t->truncate(coll, goid, op.truncate->second); | |
419 | } | |
420 | ||
421 | if (!op.attr_updates.empty()) { | |
422 | map<string, bufferlist> attrs; | |
423 | for (auto &&p: op.attr_updates) { | |
424 | if (p.second) | |
425 | attrs[p.first] = *(p.second); | |
426 | else | |
427 | t->rmattr(coll, goid, p.first); | |
428 | } | |
429 | t->setattrs(coll, goid, attrs); | |
430 | } | |
431 | ||
432 | if (op.clear_omap) | |
433 | t->omap_clear(coll, goid); | |
434 | if (op.omap_header) | |
435 | t->omap_setheader(coll, goid, *(op.omap_header)); | |
436 | ||
437 | for (auto &&up: op.omap_updates) { | |
438 | using UpdateType = PGTransaction::ObjectOperation::OmapUpdateType; | |
439 | switch (up.first) { | |
440 | case UpdateType::Remove: | |
441 | t->omap_rmkeys(coll, goid, up.second); | |
442 | break; | |
443 | case UpdateType::Insert: | |
444 | t->omap_setkeys(coll, goid, up.second); | |
445 | break; | |
446 | } | |
447 | } | |
448 | ||
449 | // updated_snaps doesn't matter since we marked unrollbackable | |
450 | ||
451 | if (op.alloc_hint) { | |
452 | auto &hint = *(op.alloc_hint); | |
453 | t->set_alloc_hint( | |
454 | coll, | |
455 | goid, | |
456 | hint.expected_object_size, | |
457 | hint.expected_write_size, | |
458 | hint.flags); | |
459 | } | |
460 | ||
461 | for (auto &&extent: op.buffer_updates) { | |
462 | using BufferUpdate = PGTransaction::ObjectOperation::BufferUpdate; | |
463 | match( | |
464 | extent.get_val(), | |
465 | [&](const BufferUpdate::Write &op) { | |
466 | t->write( | |
467 | coll, | |
468 | goid, | |
469 | extent.get_off(), | |
470 | extent.get_len(), | |
471 | op.buffer); | |
472 | }, | |
473 | [&](const BufferUpdate::Zero &op) { | |
474 | t->zero( | |
475 | coll, | |
476 | goid, | |
477 | extent.get_off(), | |
478 | extent.get_len()); | |
479 | }, | |
480 | [&](const BufferUpdate::CloneRange &op) { | |
481 | assert(op.len == extent.get_len()); | |
482 | t->clone_range( | |
483 | coll, | |
484 | ghobject_t(op.from, ghobject_t::NO_GEN, shard_id_t::NO_SHARD), | |
485 | goid, | |
486 | op.offset, | |
487 | extent.get_len(), | |
488 | extent.get_off()); | |
489 | }); | |
490 | } | |
491 | }); | |
492 | } | |
493 | ||
494 | void ReplicatedBackend::submit_transaction( | |
495 | const hobject_t &soid, | |
496 | const object_stat_sum_t &delta_stats, | |
497 | const eversion_t &at_version, | |
498 | PGTransactionUPtr &&_t, | |
499 | const eversion_t &trim_to, | |
500 | const eversion_t &roll_forward_to, | |
501 | const vector<pg_log_entry_t> &_log_entries, | |
502 | boost::optional<pg_hit_set_history_t> &hset_history, | |
503 | Context *on_local_applied_sync, | |
504 | Context *on_all_acked, | |
505 | Context *on_all_commit, | |
506 | ceph_tid_t tid, | |
507 | osd_reqid_t reqid, | |
508 | OpRequestRef orig_op) | |
509 | { | |
510 | parent->apply_stats( | |
511 | soid, | |
512 | delta_stats); | |
513 | ||
514 | vector<pg_log_entry_t> log_entries(_log_entries); | |
515 | ObjectStore::Transaction op_t; | |
516 | PGTransactionUPtr t(std::move(_t)); | |
517 | set<hobject_t> added, removed; | |
518 | generate_transaction( | |
519 | t, | |
520 | coll, | |
31f18b77 | 521 | (get_osdmap()->require_osd_release < CEPH_RELEASE_KRAKEN), |
7c673cae FG |
522 | log_entries, |
523 | &op_t, | |
524 | &added, | |
525 | &removed); | |
526 | assert(added.size() <= 1); | |
527 | assert(removed.size() <= 1); | |
528 | ||
529 | assert(!in_progress_ops.count(tid)); | |
530 | InProgressOp &op = in_progress_ops.insert( | |
531 | make_pair( | |
532 | tid, | |
533 | InProgressOp( | |
534 | tid, on_all_commit, on_all_acked, | |
535 | orig_op, at_version) | |
536 | ) | |
537 | ).first->second; | |
538 | ||
539 | op.waiting_for_applied.insert( | |
540 | parent->get_actingbackfill_shards().begin(), | |
541 | parent->get_actingbackfill_shards().end()); | |
542 | op.waiting_for_commit.insert( | |
543 | parent->get_actingbackfill_shards().begin(), | |
544 | parent->get_actingbackfill_shards().end()); | |
545 | ||
546 | issue_op( | |
547 | soid, | |
548 | at_version, | |
549 | tid, | |
550 | reqid, | |
551 | trim_to, | |
552 | at_version, | |
553 | added.size() ? *(added.begin()) : hobject_t(), | |
554 | removed.size() ? *(removed.begin()) : hobject_t(), | |
555 | log_entries, | |
556 | hset_history, | |
557 | &op, | |
558 | op_t); | |
559 | ||
560 | add_temp_objs(added); | |
561 | clear_temp_objs(removed); | |
562 | ||
563 | parent->log_operation( | |
564 | log_entries, | |
565 | hset_history, | |
566 | trim_to, | |
567 | at_version, | |
568 | true, | |
569 | op_t); | |
570 | ||
571 | op_t.register_on_applied_sync(on_local_applied_sync); | |
572 | op_t.register_on_applied( | |
573 | parent->bless_context( | |
574 | new C_OSD_OnOpApplied(this, &op))); | |
575 | op_t.register_on_commit( | |
576 | parent->bless_context( | |
577 | new C_OSD_OnOpCommit(this, &op))); | |
578 | ||
579 | vector<ObjectStore::Transaction> tls; | |
580 | tls.push_back(std::move(op_t)); | |
581 | ||
582 | parent->queue_transactions(tls, op.op); | |
583 | } | |
584 | ||
585 | void ReplicatedBackend::op_applied( | |
586 | InProgressOp *op) | |
587 | { | |
588 | FUNCTRACE(); | |
589 | OID_EVENT_TRACE_WITH_MSG((op && op->op) ? op->op->get_req() : NULL, "OP_APPLIED_BEGIN", true); | |
590 | dout(10) << __func__ << ": " << op->tid << dendl; | |
591 | if (op->op) { | |
592 | op->op->mark_event("op_applied"); | |
593 | op->op->pg_trace.event("op applied"); | |
594 | } | |
595 | ||
596 | op->waiting_for_applied.erase(get_parent()->whoami_shard()); | |
597 | parent->op_applied(op->v); | |
598 | ||
599 | if (op->waiting_for_applied.empty()) { | |
600 | op->on_applied->complete(0); | |
601 | op->on_applied = 0; | |
602 | } | |
603 | if (op->done()) { | |
604 | assert(!op->on_commit && !op->on_applied); | |
605 | in_progress_ops.erase(op->tid); | |
606 | } | |
607 | } | |
608 | ||
609 | void ReplicatedBackend::op_commit( | |
610 | InProgressOp *op) | |
611 | { | |
612 | FUNCTRACE(); | |
613 | OID_EVENT_TRACE_WITH_MSG((op && op->op) ? op->op->get_req() : NULL, "OP_COMMIT_BEGIN", true); | |
614 | dout(10) << __func__ << ": " << op->tid << dendl; | |
615 | if (op->op) { | |
616 | op->op->mark_event("op_commit"); | |
617 | op->op->pg_trace.event("op commit"); | |
618 | } | |
619 | ||
620 | op->waiting_for_commit.erase(get_parent()->whoami_shard()); | |
621 | ||
622 | if (op->waiting_for_commit.empty()) { | |
623 | op->on_commit->complete(0); | |
624 | op->on_commit = 0; | |
625 | } | |
626 | if (op->done()) { | |
627 | assert(!op->on_commit && !op->on_applied); | |
628 | in_progress_ops.erase(op->tid); | |
629 | } | |
630 | } | |
631 | ||
632 | void ReplicatedBackend::do_repop_reply(OpRequestRef op) | |
633 | { | |
634 | static_cast<MOSDRepOpReply*>(op->get_nonconst_req())->finish_decode(); | |
635 | const MOSDRepOpReply *r = static_cast<const MOSDRepOpReply *>(op->get_req()); | |
636 | assert(r->get_header().type == MSG_OSD_REPOPREPLY); | |
637 | ||
638 | op->mark_started(); | |
639 | ||
640 | // must be replication. | |
641 | ceph_tid_t rep_tid = r->get_tid(); | |
642 | pg_shard_t from = r->from; | |
643 | ||
644 | if (in_progress_ops.count(rep_tid)) { | |
645 | map<ceph_tid_t, InProgressOp>::iterator iter = | |
646 | in_progress_ops.find(rep_tid); | |
647 | InProgressOp &ip_op = iter->second; | |
648 | const MOSDOp *m = NULL; | |
649 | if (ip_op.op) | |
650 | m = static_cast<const MOSDOp *>(ip_op.op->get_req()); | |
651 | ||
652 | if (m) | |
653 | dout(7) << __func__ << ": tid " << ip_op.tid << " op " //<< *m | |
654 | << " ack_type " << (int)r->ack_type | |
655 | << " from " << from | |
656 | << dendl; | |
657 | else | |
658 | dout(7) << __func__ << ": tid " << ip_op.tid << " (no op) " | |
659 | << " ack_type " << (int)r->ack_type | |
660 | << " from " << from | |
661 | << dendl; | |
662 | ||
663 | // oh, good. | |
664 | ||
665 | if (r->ack_type & CEPH_OSD_FLAG_ONDISK) { | |
666 | assert(ip_op.waiting_for_commit.count(from)); | |
667 | ip_op.waiting_for_commit.erase(from); | |
668 | if (ip_op.op) { | |
669 | ostringstream ss; | |
670 | ss << "sub_op_commit_rec from " << from; | |
671 | ip_op.op->mark_event_string(ss.str()); | |
672 | ip_op.op->pg_trace.event("sub_op_commit_rec"); | |
673 | } | |
674 | } else { | |
675 | assert(ip_op.waiting_for_applied.count(from)); | |
676 | if (ip_op.op) { | |
677 | ostringstream ss; | |
678 | ss << "sub_op_applied_rec from " << from; | |
679 | ip_op.op->mark_event_string(ss.str()); | |
680 | ip_op.op->pg_trace.event("sub_op_applied_rec"); | |
681 | } | |
682 | } | |
683 | ip_op.waiting_for_applied.erase(from); | |
684 | ||
685 | parent->update_peer_last_complete_ondisk( | |
686 | from, | |
687 | r->get_last_complete_ondisk()); | |
688 | ||
689 | if (ip_op.waiting_for_applied.empty() && | |
690 | ip_op.on_applied) { | |
691 | ip_op.on_applied->complete(0); | |
692 | ip_op.on_applied = 0; | |
693 | } | |
694 | if (ip_op.waiting_for_commit.empty() && | |
695 | ip_op.on_commit) { | |
696 | ip_op.on_commit->complete(0); | |
697 | ip_op.on_commit= 0; | |
698 | } | |
699 | if (ip_op.done()) { | |
700 | assert(!ip_op.on_commit && !ip_op.on_applied); | |
701 | in_progress_ops.erase(iter); | |
702 | } | |
703 | } | |
704 | } | |
705 | ||
706 | void ReplicatedBackend::be_deep_scrub( | |
707 | const hobject_t &poid, | |
708 | uint32_t seed, | |
709 | ScrubMap::object &o, | |
710 | ThreadPool::TPHandle &handle) | |
711 | { | |
712 | dout(10) << __func__ << " " << poid << " seed " | |
713 | << std::hex << seed << std::dec << dendl; | |
714 | bufferhash h(seed), oh(seed); | |
715 | bufferlist bl, hdrbl; | |
716 | int r; | |
717 | __u64 pos = 0; | |
718 | ||
719 | uint32_t fadvise_flags = CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL | CEPH_OSD_OP_FLAG_FADVISE_DONTNEED; | |
720 | ||
721 | while (true) { | |
722 | handle.reset_tp_timeout(); | |
723 | r = store->read( | |
724 | ch, | |
725 | ghobject_t( | |
726 | poid, ghobject_t::NO_GEN, get_parent()->whoami_shard().shard), | |
727 | pos, | |
728 | cct->_conf->osd_deep_scrub_stride, bl, | |
224ce89b | 729 | fadvise_flags); |
7c673cae FG |
730 | if (r <= 0) |
731 | break; | |
732 | ||
733 | h << bl; | |
734 | pos += bl.length(); | |
735 | bl.clear(); | |
736 | } | |
737 | if (r == -EIO) { | |
738 | dout(25) << __func__ << " " << poid << " got " | |
739 | << r << " on read, read_error" << dendl; | |
740 | o.read_error = true; | |
741 | return; | |
742 | } | |
743 | o.digest = h.digest(); | |
744 | o.digest_present = true; | |
745 | ||
746 | bl.clear(); | |
747 | r = store->omap_get_header( | |
748 | coll, | |
749 | ghobject_t( | |
750 | poid, ghobject_t::NO_GEN, get_parent()->whoami_shard().shard), | |
751 | &hdrbl, true); | |
752 | // NOTE: bobtail to giant, we would crc the head as (len, head). | |
753 | // that changes at the same time we start using a non-zero seed. | |
754 | if (r == 0 && hdrbl.length()) { | |
755 | dout(25) << "CRC header " << string(hdrbl.c_str(), hdrbl.length()) | |
756 | << dendl; | |
757 | if (seed == 0) { | |
758 | // legacy | |
759 | bufferlist bl; | |
760 | ::encode(hdrbl, bl); | |
761 | oh << bl; | |
762 | } else { | |
763 | oh << hdrbl; | |
764 | } | |
765 | } else if (r == -EIO) { | |
766 | dout(25) << __func__ << " " << poid << " got " | |
767 | << r << " on omap header read, read_error" << dendl; | |
768 | o.read_error = true; | |
769 | return; | |
770 | } | |
771 | ||
772 | ObjectMap::ObjectMapIterator iter = store->get_omap_iterator( | |
773 | coll, | |
774 | ghobject_t( | |
775 | poid, ghobject_t::NO_GEN, get_parent()->whoami_shard().shard)); | |
776 | assert(iter); | |
7c673cae FG |
777 | for (iter->seek_to_first(); iter->status() == 0 && iter->valid(); |
778 | iter->next(false)) { | |
224ce89b | 779 | handle.reset_tp_timeout(); |
7c673cae FG |
780 | |
781 | dout(25) << "CRC key " << iter->key() << " value:\n"; | |
782 | iter->value().hexdump(*_dout); | |
783 | *_dout << dendl; | |
784 | ||
785 | ::encode(iter->key(), bl); | |
786 | ::encode(iter->value(), bl); | |
787 | oh << bl; | |
788 | bl.clear(); | |
789 | } | |
790 | ||
791 | if (iter->status() < 0) { | |
792 | dout(25) << __func__ << " " << poid | |
793 | << " on omap scan, db status error" << dendl; | |
794 | o.read_error = true; | |
795 | return; | |
796 | } | |
797 | ||
798 | //Store final calculated CRC32 of omap header & key/values | |
799 | o.omap_digest = oh.digest(); | |
800 | o.omap_digest_present = true; | |
801 | dout(20) << __func__ << " " << poid << " omap_digest " | |
802 | << std::hex << o.omap_digest << std::dec << dendl; | |
803 | } | |
804 | ||
805 | void ReplicatedBackend::_do_push(OpRequestRef op) | |
806 | { | |
807 | const MOSDPGPush *m = static_cast<const MOSDPGPush *>(op->get_req()); | |
808 | assert(m->get_type() == MSG_OSD_PG_PUSH); | |
809 | pg_shard_t from = m->from; | |
810 | ||
811 | op->mark_started(); | |
812 | ||
813 | vector<PushReplyOp> replies; | |
814 | ObjectStore::Transaction t; | |
815 | ostringstream ss; | |
816 | if (get_parent()->check_failsafe_full(ss)) { | |
817 | dout(10) << __func__ << " Out of space (failsafe) processing push request: " << ss.str() << dendl; | |
818 | ceph_abort(); | |
819 | } | |
820 | for (vector<PushOp>::const_iterator i = m->pushes.begin(); | |
821 | i != m->pushes.end(); | |
822 | ++i) { | |
823 | replies.push_back(PushReplyOp()); | |
824 | handle_push(from, *i, &(replies.back()), &t); | |
825 | } | |
826 | ||
827 | MOSDPGPushReply *reply = new MOSDPGPushReply; | |
828 | reply->from = get_parent()->whoami_shard(); | |
829 | reply->set_priority(m->get_priority()); | |
830 | reply->pgid = get_info().pgid; | |
831 | reply->map_epoch = m->map_epoch; | |
832 | reply->min_epoch = m->min_epoch; | |
833 | reply->replies.swap(replies); | |
834 | reply->compute_cost(cct); | |
835 | ||
836 | t.register_on_complete( | |
837 | new PG_SendMessageOnConn( | |
838 | get_parent(), reply, m->get_connection())); | |
839 | ||
840 | get_parent()->queue_transaction(std::move(t)); | |
841 | } | |
842 | ||
843 | struct C_ReplicatedBackend_OnPullComplete : GenContext<ThreadPool::TPHandle&> { | |
844 | ReplicatedBackend *bc; | |
845 | list<ReplicatedBackend::pull_complete_info> to_continue; | |
846 | int priority; | |
847 | C_ReplicatedBackend_OnPullComplete(ReplicatedBackend *bc, int priority) | |
848 | : bc(bc), priority(priority) {} | |
849 | ||
850 | void finish(ThreadPool::TPHandle &handle) override { | |
851 | ReplicatedBackend::RPGHandle *h = bc->_open_recovery_op(); | |
852 | for (auto &&i: to_continue) { | |
853 | auto j = bc->pulling.find(i.hoid); | |
854 | assert(j != bc->pulling.end()); | |
855 | ObjectContextRef obc = j->second.obc; | |
856 | bc->clear_pull(j, false /* already did it */); | |
224ce89b WB |
857 | int started = bc->start_pushes(i.hoid, obc, h); |
858 | if (started < 0) { | |
859 | bc->pushing[i.hoid].clear(); | |
860 | bc->get_parent()->primary_failed(i.hoid); | |
861 | bc->get_parent()->primary_error(i.hoid, obc->obs.oi.version); | |
862 | } else if (!started) { | |
7c673cae | 863 | bc->get_parent()->on_global_recover( |
c07f9fc5 | 864 | i.hoid, i.stat, false); |
7c673cae FG |
865 | } |
866 | handle.reset_tp_timeout(); | |
867 | } | |
868 | bc->run_recovery_op(h, priority); | |
869 | } | |
870 | }; | |
871 | ||
872 | void ReplicatedBackend::_do_pull_response(OpRequestRef op) | |
873 | { | |
874 | const MOSDPGPush *m = static_cast<const MOSDPGPush *>(op->get_req()); | |
875 | assert(m->get_type() == MSG_OSD_PG_PUSH); | |
876 | pg_shard_t from = m->from; | |
877 | ||
878 | op->mark_started(); | |
879 | ||
880 | vector<PullOp> replies(1); | |
881 | ||
882 | ostringstream ss; | |
883 | if (get_parent()->check_failsafe_full(ss)) { | |
884 | dout(10) << __func__ << " Out of space (failsafe) processing pull response (push): " << ss.str() << dendl; | |
885 | ceph_abort(); | |
886 | } | |
887 | ||
888 | ObjectStore::Transaction t; | |
889 | list<pull_complete_info> to_continue; | |
890 | for (vector<PushOp>::const_iterator i = m->pushes.begin(); | |
891 | i != m->pushes.end(); | |
892 | ++i) { | |
893 | bool more = handle_pull_response(from, *i, &(replies.back()), &to_continue, &t); | |
894 | if (more) | |
895 | replies.push_back(PullOp()); | |
896 | } | |
897 | if (!to_continue.empty()) { | |
898 | C_ReplicatedBackend_OnPullComplete *c = | |
899 | new C_ReplicatedBackend_OnPullComplete( | |
900 | this, | |
901 | m->get_priority()); | |
902 | c->to_continue.swap(to_continue); | |
903 | t.register_on_complete( | |
904 | new PG_RecoveryQueueAsync( | |
905 | get_parent(), | |
906 | get_parent()->bless_gencontext(c))); | |
907 | } | |
908 | replies.erase(replies.end() - 1); | |
909 | ||
910 | if (replies.size()) { | |
911 | MOSDPGPull *reply = new MOSDPGPull; | |
912 | reply->from = parent->whoami_shard(); | |
913 | reply->set_priority(m->get_priority()); | |
914 | reply->pgid = get_info().pgid; | |
915 | reply->map_epoch = m->map_epoch; | |
916 | reply->min_epoch = m->min_epoch; | |
917 | reply->set_pulls(&replies); | |
918 | reply->compute_cost(cct); | |
919 | ||
920 | t.register_on_complete( | |
921 | new PG_SendMessageOnConn( | |
922 | get_parent(), reply, m->get_connection())); | |
923 | } | |
924 | ||
925 | get_parent()->queue_transaction(std::move(t)); | |
926 | } | |
927 | ||
928 | void ReplicatedBackend::do_pull(OpRequestRef op) | |
929 | { | |
930 | MOSDPGPull *m = static_cast<MOSDPGPull *>(op->get_nonconst_req()); | |
931 | assert(m->get_type() == MSG_OSD_PG_PULL); | |
932 | pg_shard_t from = m->from; | |
933 | ||
934 | map<pg_shard_t, vector<PushOp> > replies; | |
935 | vector<PullOp> pulls; | |
936 | m->take_pulls(&pulls); | |
937 | for (auto& i : pulls) { | |
938 | replies[from].push_back(PushOp()); | |
939 | handle_pull(from, i, &(replies[from].back())); | |
940 | } | |
941 | send_pushes(m->get_priority(), replies); | |
942 | } | |
943 | ||
944 | void ReplicatedBackend::do_push_reply(OpRequestRef op) | |
945 | { | |
946 | const MOSDPGPushReply *m = static_cast<const MOSDPGPushReply *>(op->get_req()); | |
947 | assert(m->get_type() == MSG_OSD_PG_PUSH_REPLY); | |
948 | pg_shard_t from = m->from; | |
949 | ||
950 | vector<PushOp> replies(1); | |
951 | for (vector<PushReplyOp>::const_iterator i = m->replies.begin(); | |
952 | i != m->replies.end(); | |
953 | ++i) { | |
954 | bool more = handle_push_reply(from, *i, &(replies.back())); | |
955 | if (more) | |
956 | replies.push_back(PushOp()); | |
957 | } | |
958 | replies.erase(replies.end() - 1); | |
959 | ||
960 | map<pg_shard_t, vector<PushOp> > _replies; | |
961 | _replies[from].swap(replies); | |
962 | send_pushes(m->get_priority(), _replies); | |
963 | } | |
964 | ||
965 | Message * ReplicatedBackend::generate_subop( | |
966 | const hobject_t &soid, | |
967 | const eversion_t &at_version, | |
968 | ceph_tid_t tid, | |
969 | osd_reqid_t reqid, | |
970 | eversion_t pg_trim_to, | |
971 | eversion_t pg_roll_forward_to, | |
972 | hobject_t new_temp_oid, | |
973 | hobject_t discard_temp_oid, | |
974 | const vector<pg_log_entry_t> &log_entries, | |
975 | boost::optional<pg_hit_set_history_t> &hset_hist, | |
976 | ObjectStore::Transaction &op_t, | |
977 | pg_shard_t peer, | |
978 | const pg_info_t &pinfo) | |
979 | { | |
980 | int acks_wanted = CEPH_OSD_FLAG_ACK | CEPH_OSD_FLAG_ONDISK; | |
981 | // forward the write/update/whatever | |
982 | MOSDRepOp *wr = new MOSDRepOp( | |
983 | reqid, parent->whoami_shard(), | |
984 | spg_t(get_info().pgid.pgid, peer.shard), | |
985 | soid, acks_wanted, | |
986 | get_osdmap()->get_epoch(), | |
987 | parent->get_last_peering_reset_epoch(), | |
988 | tid, at_version); | |
989 | ||
990 | // ship resulting transaction, log entries, and pg_stats | |
991 | if (!parent->should_send_op(peer, soid)) { | |
992 | dout(10) << "issue_repop shipping empty opt to osd." << peer | |
993 | <<", object " << soid | |
994 | << " beyond MAX(last_backfill_started " | |
995 | << ", pinfo.last_backfill " | |
996 | << pinfo.last_backfill << ")" << dendl; | |
997 | ObjectStore::Transaction t; | |
998 | ::encode(t, wr->get_data()); | |
999 | } else { | |
1000 | ::encode(op_t, wr->get_data()); | |
1001 | wr->get_header().data_off = op_t.get_data_alignment(); | |
1002 | } | |
1003 | ||
1004 | ::encode(log_entries, wr->logbl); | |
1005 | ||
1006 | if (pinfo.is_incomplete()) | |
1007 | wr->pg_stats = pinfo.stats; // reflects backfill progress | |
1008 | else | |
1009 | wr->pg_stats = get_info().stats; | |
1010 | ||
1011 | wr->pg_trim_to = pg_trim_to; | |
1012 | wr->pg_roll_forward_to = pg_roll_forward_to; | |
1013 | ||
1014 | wr->new_temp_oid = new_temp_oid; | |
1015 | wr->discard_temp_oid = discard_temp_oid; | |
1016 | wr->updated_hit_set_history = hset_hist; | |
1017 | return wr; | |
1018 | } | |
1019 | ||
1020 | void ReplicatedBackend::issue_op( | |
1021 | const hobject_t &soid, | |
1022 | const eversion_t &at_version, | |
1023 | ceph_tid_t tid, | |
1024 | osd_reqid_t reqid, | |
1025 | eversion_t pg_trim_to, | |
1026 | eversion_t pg_roll_forward_to, | |
1027 | hobject_t new_temp_oid, | |
1028 | hobject_t discard_temp_oid, | |
1029 | const vector<pg_log_entry_t> &log_entries, | |
1030 | boost::optional<pg_hit_set_history_t> &hset_hist, | |
1031 | InProgressOp *op, | |
1032 | ObjectStore::Transaction &op_t) | |
1033 | { | |
1034 | if (op->op) | |
1035 | op->op->pg_trace.event("issue replication ops"); | |
1036 | ||
1037 | if (parent->get_actingbackfill_shards().size() > 1) { | |
1038 | ostringstream ss; | |
1039 | set<pg_shard_t> replicas = parent->get_actingbackfill_shards(); | |
1040 | replicas.erase(parent->whoami_shard()); | |
1041 | ss << "waiting for subops from " << replicas; | |
1042 | if (op->op) | |
1043 | op->op->mark_sub_op_sent(ss.str()); | |
1044 | } | |
1045 | for (set<pg_shard_t>::const_iterator i = | |
1046 | parent->get_actingbackfill_shards().begin(); | |
1047 | i != parent->get_actingbackfill_shards().end(); | |
1048 | ++i) { | |
1049 | if (*i == parent->whoami_shard()) continue; | |
1050 | pg_shard_t peer = *i; | |
1051 | const pg_info_t &pinfo = parent->get_shard_info().find(peer)->second; | |
1052 | ||
1053 | Message *wr; | |
1054 | wr = generate_subop( | |
1055 | soid, | |
1056 | at_version, | |
1057 | tid, | |
1058 | reqid, | |
1059 | pg_trim_to, | |
1060 | pg_roll_forward_to, | |
1061 | new_temp_oid, | |
1062 | discard_temp_oid, | |
1063 | log_entries, | |
1064 | hset_hist, | |
1065 | op_t, | |
1066 | peer, | |
1067 | pinfo); | |
1068 | if (op->op) | |
1069 | wr->trace.init("replicated op", nullptr, &op->op->pg_trace); | |
1070 | get_parent()->send_message_osd_cluster( | |
1071 | peer.osd, wr, get_osdmap()->get_epoch()); | |
1072 | } | |
1073 | } | |
1074 | ||
1075 | // sub op modify | |
1076 | void ReplicatedBackend::do_repop(OpRequestRef op) | |
1077 | { | |
1078 | static_cast<MOSDRepOp*>(op->get_nonconst_req())->finish_decode(); | |
1079 | const MOSDRepOp *m = static_cast<const MOSDRepOp *>(op->get_req()); | |
1080 | int msg_type = m->get_type(); | |
1081 | assert(MSG_OSD_REPOP == msg_type); | |
1082 | ||
1083 | const hobject_t& soid = m->poid; | |
1084 | ||
1085 | dout(10) << __func__ << " " << soid | |
1086 | << " v " << m->version | |
1087 | << (m->logbl.length() ? " (transaction)" : " (parallel exec") | |
1088 | << " " << m->logbl.length() | |
1089 | << dendl; | |
1090 | ||
1091 | // sanity checks | |
1092 | assert(m->map_epoch >= get_info().history.same_interval_since); | |
1093 | ||
1094 | // we better not be missing this. | |
1095 | assert(!parent->get_log().get_missing().is_missing(soid)); | |
1096 | ||
1097 | int ackerosd = m->get_source().num(); | |
1098 | ||
1099 | op->mark_started(); | |
1100 | ||
1101 | RepModifyRef rm(std::make_shared<RepModify>()); | |
1102 | rm->op = op; | |
1103 | rm->ackerosd = ackerosd; | |
1104 | rm->last_complete = get_info().last_complete; | |
1105 | rm->epoch_started = get_osdmap()->get_epoch(); | |
1106 | ||
1107 | assert(m->logbl.length()); | |
1108 | // shipped transaction and log entries | |
1109 | vector<pg_log_entry_t> log; | |
1110 | ||
1111 | bufferlist::iterator p = const_cast<bufferlist&>(m->get_data()).begin(); | |
1112 | ::decode(rm->opt, p); | |
1113 | ||
1114 | if (m->new_temp_oid != hobject_t()) { | |
1115 | dout(20) << __func__ << " start tracking temp " << m->new_temp_oid << dendl; | |
1116 | add_temp_obj(m->new_temp_oid); | |
1117 | } | |
1118 | if (m->discard_temp_oid != hobject_t()) { | |
1119 | dout(20) << __func__ << " stop tracking temp " << m->discard_temp_oid << dendl; | |
1120 | if (rm->opt.empty()) { | |
1121 | dout(10) << __func__ << ": removing object " << m->discard_temp_oid | |
1122 | << " since we won't get the transaction" << dendl; | |
1123 | rm->localt.remove(coll, ghobject_t(m->discard_temp_oid)); | |
1124 | } | |
1125 | clear_temp_obj(m->discard_temp_oid); | |
1126 | } | |
1127 | ||
1128 | p = const_cast<bufferlist&>(m->logbl).begin(); | |
1129 | ::decode(log, p); | |
1130 | rm->opt.set_fadvise_flag(CEPH_OSD_OP_FLAG_FADVISE_DONTNEED); | |
1131 | ||
1132 | bool update_snaps = false; | |
1133 | if (!rm->opt.empty()) { | |
1134 | // If the opt is non-empty, we infer we are before | |
1135 | // last_backfill (according to the primary, not our | |
1136 | // not-quite-accurate value), and should update the | |
1137 | // collections now. Otherwise, we do it later on push. | |
1138 | update_snaps = true; | |
1139 | } | |
1140 | parent->update_stats(m->pg_stats); | |
1141 | parent->log_operation( | |
1142 | log, | |
1143 | m->updated_hit_set_history, | |
1144 | m->pg_trim_to, | |
1145 | m->pg_roll_forward_to, | |
1146 | update_snaps, | |
1147 | rm->localt); | |
1148 | ||
1149 | rm->opt.register_on_commit( | |
1150 | parent->bless_context( | |
1151 | new C_OSD_RepModifyCommit(this, rm))); | |
1152 | rm->localt.register_on_applied( | |
1153 | parent->bless_context( | |
1154 | new C_OSD_RepModifyApply(this, rm))); | |
1155 | vector<ObjectStore::Transaction> tls; | |
1156 | tls.reserve(2); | |
1157 | tls.push_back(std::move(rm->localt)); | |
1158 | tls.push_back(std::move(rm->opt)); | |
1159 | parent->queue_transactions(tls, op); | |
1160 | // op is cleaned up by oncommit/onapply when both are executed | |
1161 | } | |
1162 | ||
1163 | void ReplicatedBackend::repop_applied(RepModifyRef rm) | |
1164 | { | |
1165 | rm->op->mark_event("sub_op_applied"); | |
1166 | rm->applied = true; | |
1167 | rm->op->pg_trace.event("sup_op_applied"); | |
1168 | ||
1169 | dout(10) << __func__ << " on " << rm << " op " | |
1170 | << *rm->op->get_req() << dendl; | |
1171 | const Message *m = rm->op->get_req(); | |
1172 | const MOSDRepOp *req = static_cast<const MOSDRepOp*>(m); | |
1173 | eversion_t version = req->version; | |
1174 | ||
1175 | // send ack to acker only if we haven't sent a commit already | |
1176 | if (!rm->committed) { | |
1177 | Message *ack = new MOSDRepOpReply( | |
1178 | req, parent->whoami_shard(), | |
1179 | 0, get_osdmap()->get_epoch(), req->min_epoch, CEPH_OSD_FLAG_ACK); | |
1180 | ack->set_priority(CEPH_MSG_PRIO_HIGH); // this better match commit priority! | |
1181 | ack->trace = rm->op->pg_trace; | |
1182 | get_parent()->send_message_osd_cluster( | |
1183 | rm->ackerosd, ack, get_osdmap()->get_epoch()); | |
1184 | } | |
1185 | ||
1186 | parent->op_applied(version); | |
1187 | } | |
1188 | ||
1189 | void ReplicatedBackend::repop_commit(RepModifyRef rm) | |
1190 | { | |
1191 | rm->op->mark_commit_sent(); | |
1192 | rm->op->pg_trace.event("sup_op_commit"); | |
1193 | rm->committed = true; | |
1194 | ||
1195 | // send commit. | |
1196 | const MOSDRepOp *m = static_cast<const MOSDRepOp*>(rm->op->get_req()); | |
1197 | assert(m->get_type() == MSG_OSD_REPOP); | |
1198 | dout(10) << __func__ << " on op " << *m | |
1199 | << ", sending commit to osd." << rm->ackerosd | |
1200 | << dendl; | |
1201 | assert(get_osdmap()->is_up(rm->ackerosd)); | |
1202 | ||
1203 | get_parent()->update_last_complete_ondisk(rm->last_complete); | |
1204 | ||
1205 | MOSDRepOpReply *reply = new MOSDRepOpReply( | |
1206 | m, | |
1207 | get_parent()->whoami_shard(), | |
1208 | 0, get_osdmap()->get_epoch(), m->get_min_epoch(), CEPH_OSD_FLAG_ONDISK); | |
1209 | reply->set_last_complete_ondisk(rm->last_complete); | |
1210 | reply->set_priority(CEPH_MSG_PRIO_HIGH); // this better match ack priority! | |
1211 | reply->trace = rm->op->pg_trace; | |
1212 | get_parent()->send_message_osd_cluster( | |
1213 | rm->ackerosd, reply, get_osdmap()->get_epoch()); | |
1214 | ||
1215 | log_subop_stats(get_parent()->get_logger(), rm->op, l_osd_sop_w); | |
1216 | } | |
1217 | ||
1218 | ||
1219 | // =========================================================== | |
1220 | ||
1221 | void ReplicatedBackend::calc_head_subsets( | |
1222 | ObjectContextRef obc, SnapSet& snapset, const hobject_t& head, | |
1223 | const pg_missing_t& missing, | |
1224 | const hobject_t &last_backfill, | |
1225 | interval_set<uint64_t>& data_subset, | |
1226 | map<hobject_t, interval_set<uint64_t>>& clone_subsets, | |
1227 | ObcLockManager &manager) | |
1228 | { | |
1229 | dout(10) << "calc_head_subsets " << head | |
1230 | << " clone_overlap " << snapset.clone_overlap << dendl; | |
1231 | ||
1232 | uint64_t size = obc->obs.oi.size; | |
1233 | if (size) | |
1234 | data_subset.insert(0, size); | |
1235 | ||
1236 | if (get_parent()->get_pool().allow_incomplete_clones()) { | |
1237 | dout(10) << __func__ << ": caching (was) enabled, skipping clone subsets" << dendl; | |
1238 | return; | |
1239 | } | |
1240 | ||
1241 | if (!cct->_conf->osd_recover_clone_overlap) { | |
1242 | dout(10) << "calc_head_subsets " << head << " -- osd_recover_clone_overlap disabled" << dendl; | |
1243 | return; | |
1244 | } | |
1245 | ||
1246 | ||
1247 | interval_set<uint64_t> cloning; | |
1248 | interval_set<uint64_t> prev; | |
1249 | if (size) | |
1250 | prev.insert(0, size); | |
1251 | ||
1252 | for (int j=snapset.clones.size()-1; j>=0; j--) { | |
1253 | hobject_t c = head; | |
1254 | c.snap = snapset.clones[j]; | |
1255 | prev.intersection_of(snapset.clone_overlap[snapset.clones[j]]); | |
1256 | if (!missing.is_missing(c) && | |
1257 | c < last_backfill && | |
1258 | get_parent()->try_lock_for_read(c, manager)) { | |
1259 | dout(10) << "calc_head_subsets " << head << " has prev " << c | |
1260 | << " overlap " << prev << dendl; | |
1261 | clone_subsets[c] = prev; | |
1262 | cloning.union_of(prev); | |
1263 | break; | |
1264 | } | |
1265 | dout(10) << "calc_head_subsets " << head << " does not have prev " << c | |
1266 | << " overlap " << prev << dendl; | |
1267 | } | |
1268 | ||
1269 | ||
1270 | if (cloning.num_intervals() > cct->_conf->osd_recover_clone_overlap_limit) { | |
1271 | dout(10) << "skipping clone, too many holes" << dendl; | |
1272 | get_parent()->release_locks(manager); | |
1273 | clone_subsets.clear(); | |
1274 | cloning.clear(); | |
1275 | } | |
1276 | ||
1277 | // what's left for us to push? | |
1278 | data_subset.subtract(cloning); | |
1279 | ||
1280 | dout(10) << "calc_head_subsets " << head | |
1281 | << " data_subset " << data_subset | |
1282 | << " clone_subsets " << clone_subsets << dendl; | |
1283 | } | |
1284 | ||
1285 | void ReplicatedBackend::calc_clone_subsets( | |
1286 | SnapSet& snapset, const hobject_t& soid, | |
1287 | const pg_missing_t& missing, | |
1288 | const hobject_t &last_backfill, | |
1289 | interval_set<uint64_t>& data_subset, | |
1290 | map<hobject_t, interval_set<uint64_t>>& clone_subsets, | |
1291 | ObcLockManager &manager) | |
1292 | { | |
1293 | dout(10) << "calc_clone_subsets " << soid | |
1294 | << " clone_overlap " << snapset.clone_overlap << dendl; | |
1295 | ||
1296 | uint64_t size = snapset.clone_size[soid.snap]; | |
1297 | if (size) | |
1298 | data_subset.insert(0, size); | |
1299 | ||
1300 | if (get_parent()->get_pool().allow_incomplete_clones()) { | |
1301 | dout(10) << __func__ << ": caching (was) enabled, skipping clone subsets" << dendl; | |
1302 | return; | |
1303 | } | |
1304 | ||
1305 | if (!cct->_conf->osd_recover_clone_overlap) { | |
1306 | dout(10) << "calc_clone_subsets " << soid << " -- osd_recover_clone_overlap disabled" << dendl; | |
1307 | return; | |
1308 | } | |
1309 | ||
1310 | unsigned i; | |
1311 | for (i=0; i < snapset.clones.size(); i++) | |
1312 | if (snapset.clones[i] == soid.snap) | |
1313 | break; | |
1314 | ||
1315 | // any overlap with next older clone? | |
1316 | interval_set<uint64_t> cloning; | |
1317 | interval_set<uint64_t> prev; | |
1318 | if (size) | |
1319 | prev.insert(0, size); | |
1320 | for (int j=i-1; j>=0; j--) { | |
1321 | hobject_t c = soid; | |
1322 | c.snap = snapset.clones[j]; | |
1323 | prev.intersection_of(snapset.clone_overlap[snapset.clones[j]]); | |
1324 | if (!missing.is_missing(c) && | |
1325 | c < last_backfill && | |
1326 | get_parent()->try_lock_for_read(c, manager)) { | |
1327 | dout(10) << "calc_clone_subsets " << soid << " has prev " << c | |
1328 | << " overlap " << prev << dendl; | |
1329 | clone_subsets[c] = prev; | |
1330 | cloning.union_of(prev); | |
1331 | break; | |
1332 | } | |
1333 | dout(10) << "calc_clone_subsets " << soid << " does not have prev " << c | |
1334 | << " overlap " << prev << dendl; | |
1335 | } | |
1336 | ||
1337 | // overlap with next newest? | |
1338 | interval_set<uint64_t> next; | |
1339 | if (size) | |
1340 | next.insert(0, size); | |
1341 | for (unsigned j=i+1; j<snapset.clones.size(); j++) { | |
1342 | hobject_t c = soid; | |
1343 | c.snap = snapset.clones[j]; | |
1344 | next.intersection_of(snapset.clone_overlap[snapset.clones[j-1]]); | |
1345 | if (!missing.is_missing(c) && | |
1346 | c < last_backfill && | |
1347 | get_parent()->try_lock_for_read(c, manager)) { | |
1348 | dout(10) << "calc_clone_subsets " << soid << " has next " << c | |
1349 | << " overlap " << next << dendl; | |
1350 | clone_subsets[c] = next; | |
1351 | cloning.union_of(next); | |
1352 | break; | |
1353 | } | |
1354 | dout(10) << "calc_clone_subsets " << soid << " does not have next " << c | |
1355 | << " overlap " << next << dendl; | |
1356 | } | |
1357 | ||
1358 | if (cloning.num_intervals() > cct->_conf->osd_recover_clone_overlap_limit) { | |
1359 | dout(10) << "skipping clone, too many holes" << dendl; | |
1360 | get_parent()->release_locks(manager); | |
1361 | clone_subsets.clear(); | |
1362 | cloning.clear(); | |
1363 | } | |
1364 | ||
1365 | ||
1366 | // what's left for us to push? | |
1367 | data_subset.subtract(cloning); | |
1368 | ||
1369 | dout(10) << "calc_clone_subsets " << soid | |
1370 | << " data_subset " << data_subset | |
1371 | << " clone_subsets " << clone_subsets << dendl; | |
1372 | } | |
1373 | ||
1374 | void ReplicatedBackend::prepare_pull( | |
1375 | eversion_t v, | |
1376 | const hobject_t& soid, | |
1377 | ObjectContextRef headctx, | |
1378 | RPGHandle *h) | |
1379 | { | |
1380 | assert(get_parent()->get_local_missing().get_items().count(soid)); | |
1381 | eversion_t _v = get_parent()->get_local_missing().get_items().find( | |
1382 | soid)->second.need; | |
1383 | assert(_v == v); | |
1384 | const map<hobject_t, set<pg_shard_t>> &missing_loc( | |
1385 | get_parent()->get_missing_loc_shards()); | |
1386 | const map<pg_shard_t, pg_missing_t > &peer_missing( | |
1387 | get_parent()->get_shard_missing()); | |
1388 | map<hobject_t, set<pg_shard_t>>::const_iterator q = missing_loc.find(soid); | |
1389 | assert(q != missing_loc.end()); | |
1390 | assert(!q->second.empty()); | |
1391 | ||
1392 | // pick a pullee | |
1393 | vector<pg_shard_t> shuffle(q->second.begin(), q->second.end()); | |
1394 | random_shuffle(shuffle.begin(), shuffle.end()); | |
1395 | vector<pg_shard_t>::iterator p = shuffle.begin(); | |
1396 | assert(get_osdmap()->is_up(p->osd)); | |
1397 | pg_shard_t fromshard = *p; | |
1398 | ||
1399 | dout(7) << "pull " << soid | |
1400 | << " v " << v | |
1401 | << " on osds " << q->second | |
1402 | << " from osd." << fromshard | |
1403 | << dendl; | |
1404 | ||
1405 | assert(peer_missing.count(fromshard)); | |
1406 | const pg_missing_t &pmissing = peer_missing.find(fromshard)->second; | |
1407 | if (pmissing.is_missing(soid, v)) { | |
1408 | assert(pmissing.get_items().find(soid)->second.have != v); | |
1409 | dout(10) << "pulling soid " << soid << " from osd " << fromshard | |
1410 | << " at version " << pmissing.get_items().find(soid)->second.have | |
1411 | << " rather than at version " << v << dendl; | |
1412 | v = pmissing.get_items().find(soid)->second.have; | |
1413 | assert(get_parent()->get_log().get_log().objects.count(soid) && | |
1414 | (get_parent()->get_log().get_log().objects.find(soid)->second->op == | |
1415 | pg_log_entry_t::LOST_REVERT) && | |
1416 | (get_parent()->get_log().get_log().objects.find( | |
1417 | soid)->second->reverting_to == | |
1418 | v)); | |
1419 | } | |
1420 | ||
1421 | ObjectRecoveryInfo recovery_info; | |
1422 | ObcLockManager lock_manager; | |
1423 | ||
1424 | if (soid.is_snap()) { | |
1425 | assert(!get_parent()->get_local_missing().is_missing( | |
1426 | soid.get_head()) || | |
1427 | !get_parent()->get_local_missing().is_missing( | |
1428 | soid.get_snapdir())); | |
1429 | assert(headctx); | |
1430 | // check snapset | |
1431 | SnapSetContext *ssc = headctx->ssc; | |
1432 | assert(ssc); | |
1433 | dout(10) << " snapset " << ssc->snapset << dendl; | |
1434 | recovery_info.ss = ssc->snapset; | |
1435 | calc_clone_subsets( | |
1436 | ssc->snapset, soid, get_parent()->get_local_missing(), | |
1437 | get_info().last_backfill, | |
1438 | recovery_info.copy_subset, | |
1439 | recovery_info.clone_subset, | |
1440 | lock_manager); | |
1441 | // FIXME: this may overestimate if we are pulling multiple clones in parallel... | |
1442 | dout(10) << " pulling " << recovery_info << dendl; | |
1443 | ||
1444 | assert(ssc->snapset.clone_size.count(soid.snap)); | |
1445 | recovery_info.size = ssc->snapset.clone_size[soid.snap]; | |
1446 | } else { | |
1447 | // pulling head or unversioned object. | |
1448 | // always pull the whole thing. | |
1449 | recovery_info.copy_subset.insert(0, (uint64_t)-1); | |
1450 | recovery_info.size = ((uint64_t)-1); | |
1451 | } | |
1452 | ||
1453 | h->pulls[fromshard].push_back(PullOp()); | |
1454 | PullOp &op = h->pulls[fromshard].back(); | |
1455 | op.soid = soid; | |
1456 | ||
1457 | op.recovery_info = recovery_info; | |
1458 | op.recovery_info.soid = soid; | |
1459 | op.recovery_info.version = v; | |
1460 | op.recovery_progress.data_complete = false; | |
1461 | op.recovery_progress.omap_complete = false; | |
1462 | op.recovery_progress.data_recovered_to = 0; | |
1463 | op.recovery_progress.first = true; | |
1464 | ||
1465 | assert(!pulling.count(soid)); | |
1466 | pull_from_peer[fromshard].insert(soid); | |
1467 | PullInfo &pi = pulling[soid]; | |
1468 | pi.from = fromshard; | |
1469 | pi.soid = soid; | |
1470 | pi.head_ctx = headctx; | |
1471 | pi.recovery_info = op.recovery_info; | |
1472 | pi.recovery_progress = op.recovery_progress; | |
1473 | pi.cache_dont_need = h->cache_dont_need; | |
1474 | pi.lock_manager = std::move(lock_manager); | |
1475 | } | |
1476 | ||
1477 | /* | |
1478 | * intelligently push an object to a replica. make use of existing | |
1479 | * clones/heads and dup data ranges where possible. | |
1480 | */ | |
224ce89b | 1481 | int ReplicatedBackend::prep_push_to_replica( |
7c673cae FG |
1482 | ObjectContextRef obc, const hobject_t& soid, pg_shard_t peer, |
1483 | PushOp *pop, bool cache_dont_need) | |
1484 | { | |
1485 | const object_info_t& oi = obc->obs.oi; | |
1486 | uint64_t size = obc->obs.oi.size; | |
1487 | ||
1488 | dout(10) << __func__ << ": " << soid << " v" << oi.version | |
1489 | << " size " << size << " to osd." << peer << dendl; | |
1490 | ||
1491 | map<hobject_t, interval_set<uint64_t>> clone_subsets; | |
1492 | interval_set<uint64_t> data_subset; | |
1493 | ||
1494 | ObcLockManager lock_manager; | |
1495 | // are we doing a clone on the replica? | |
1496 | if (soid.snap && soid.snap < CEPH_NOSNAP) { | |
1497 | hobject_t head = soid; | |
1498 | head.snap = CEPH_NOSNAP; | |
1499 | ||
1500 | // try to base push off of clones that succeed/preceed poid | |
1501 | // we need the head (and current SnapSet) locally to do that. | |
1502 | if (get_parent()->get_local_missing().is_missing(head)) { | |
1503 | dout(15) << "push_to_replica missing head " << head << ", pushing raw clone" << dendl; | |
1504 | return prep_push(obc, soid, peer, pop, cache_dont_need); | |
1505 | } | |
1506 | hobject_t snapdir = head; | |
1507 | snapdir.snap = CEPH_SNAPDIR; | |
1508 | if (get_parent()->get_local_missing().is_missing(snapdir)) { | |
1509 | dout(15) << "push_to_replica missing snapdir " << snapdir | |
1510 | << ", pushing raw clone" << dendl; | |
1511 | return prep_push(obc, soid, peer, pop, cache_dont_need); | |
1512 | } | |
1513 | ||
1514 | SnapSetContext *ssc = obc->ssc; | |
1515 | assert(ssc); | |
1516 | dout(15) << "push_to_replica snapset is " << ssc->snapset << dendl; | |
1517 | pop->recovery_info.ss = ssc->snapset; | |
1518 | map<pg_shard_t, pg_missing_t>::const_iterator pm = | |
1519 | get_parent()->get_shard_missing().find(peer); | |
1520 | assert(pm != get_parent()->get_shard_missing().end()); | |
1521 | map<pg_shard_t, pg_info_t>::const_iterator pi = | |
1522 | get_parent()->get_shard_info().find(peer); | |
1523 | assert(pi != get_parent()->get_shard_info().end()); | |
1524 | calc_clone_subsets( | |
1525 | ssc->snapset, soid, | |
1526 | pm->second, | |
1527 | pi->second.last_backfill, | |
1528 | data_subset, clone_subsets, | |
1529 | lock_manager); | |
1530 | } else if (soid.snap == CEPH_NOSNAP) { | |
1531 | // pushing head or unversioned object. | |
1532 | // base this on partially on replica's clones? | |
1533 | SnapSetContext *ssc = obc->ssc; | |
1534 | assert(ssc); | |
1535 | dout(15) << "push_to_replica snapset is " << ssc->snapset << dendl; | |
1536 | calc_head_subsets( | |
1537 | obc, | |
1538 | ssc->snapset, soid, get_parent()->get_shard_missing().find(peer)->second, | |
1539 | get_parent()->get_shard_info().find(peer)->second.last_backfill, | |
1540 | data_subset, clone_subsets, | |
1541 | lock_manager); | |
1542 | } | |
1543 | ||
224ce89b | 1544 | return prep_push( |
7c673cae FG |
1545 | obc, |
1546 | soid, | |
1547 | peer, | |
1548 | oi.version, | |
1549 | data_subset, | |
1550 | clone_subsets, | |
1551 | pop, | |
1552 | cache_dont_need, | |
1553 | std::move(lock_manager)); | |
1554 | } | |
1555 | ||
224ce89b | 1556 | int ReplicatedBackend::prep_push(ObjectContextRef obc, |
7c673cae FG |
1557 | const hobject_t& soid, pg_shard_t peer, |
1558 | PushOp *pop, bool cache_dont_need) | |
1559 | { | |
1560 | interval_set<uint64_t> data_subset; | |
1561 | if (obc->obs.oi.size) | |
1562 | data_subset.insert(0, obc->obs.oi.size); | |
1563 | map<hobject_t, interval_set<uint64_t>> clone_subsets; | |
1564 | ||
224ce89b | 1565 | return prep_push(obc, soid, peer, |
7c673cae FG |
1566 | obc->obs.oi.version, data_subset, clone_subsets, |
1567 | pop, cache_dont_need, ObcLockManager()); | |
1568 | } | |
1569 | ||
224ce89b | 1570 | int ReplicatedBackend::prep_push( |
7c673cae FG |
1571 | ObjectContextRef obc, |
1572 | const hobject_t& soid, pg_shard_t peer, | |
1573 | eversion_t version, | |
1574 | interval_set<uint64_t> &data_subset, | |
1575 | map<hobject_t, interval_set<uint64_t>>& clone_subsets, | |
1576 | PushOp *pop, | |
1577 | bool cache_dont_need, | |
1578 | ObcLockManager &&lock_manager) | |
1579 | { | |
1580 | get_parent()->begin_peer_recover(peer, soid); | |
1581 | // take note. | |
1582 | PushInfo &pi = pushing[soid][peer]; | |
1583 | pi.obc = obc; | |
1584 | pi.recovery_info.size = obc->obs.oi.size; | |
1585 | pi.recovery_info.copy_subset = data_subset; | |
1586 | pi.recovery_info.clone_subset = clone_subsets; | |
1587 | pi.recovery_info.soid = soid; | |
1588 | pi.recovery_info.oi = obc->obs.oi; | |
1589 | pi.recovery_info.ss = pop->recovery_info.ss; | |
1590 | pi.recovery_info.version = version; | |
1591 | pi.lock_manager = std::move(lock_manager); | |
1592 | ||
1593 | ObjectRecoveryProgress new_progress; | |
1594 | int r = build_push_op(pi.recovery_info, | |
1595 | pi.recovery_progress, | |
1596 | &new_progress, | |
1597 | pop, | |
1598 | &(pi.stat), cache_dont_need); | |
224ce89b WB |
1599 | if (r < 0) |
1600 | return r; | |
7c673cae | 1601 | pi.recovery_progress = new_progress; |
224ce89b | 1602 | return 0; |
7c673cae FG |
1603 | } |
1604 | ||
1605 | void ReplicatedBackend::submit_push_data( | |
1606 | const ObjectRecoveryInfo &recovery_info, | |
1607 | bool first, | |
1608 | bool complete, | |
1609 | bool cache_dont_need, | |
1610 | const interval_set<uint64_t> &intervals_included, | |
1611 | bufferlist data_included, | |
1612 | bufferlist omap_header, | |
1613 | const map<string, bufferlist> &attrs, | |
1614 | const map<string, bufferlist> &omap_entries, | |
1615 | ObjectStore::Transaction *t) | |
1616 | { | |
1617 | hobject_t target_oid; | |
1618 | if (first && complete) { | |
1619 | target_oid = recovery_info.soid; | |
1620 | } else { | |
1621 | target_oid = get_parent()->get_temp_recovery_object(recovery_info.soid, | |
1622 | recovery_info.version); | |
1623 | if (first) { | |
1624 | dout(10) << __func__ << ": Adding oid " | |
1625 | << target_oid << " in the temp collection" << dendl; | |
1626 | add_temp_obj(target_oid); | |
1627 | } | |
1628 | } | |
1629 | ||
1630 | if (first) { | |
1631 | t->remove(coll, ghobject_t(target_oid)); | |
1632 | t->touch(coll, ghobject_t(target_oid)); | |
1633 | t->truncate(coll, ghobject_t(target_oid), recovery_info.size); | |
1634 | if (omap_header.length()) | |
1635 | t->omap_setheader(coll, ghobject_t(target_oid), omap_header); | |
1636 | ||
1637 | bufferlist bv = attrs.at(OI_ATTR); | |
1638 | object_info_t oi(bv); | |
1639 | t->set_alloc_hint(coll, ghobject_t(target_oid), | |
1640 | oi.expected_object_size, | |
1641 | oi.expected_write_size, | |
1642 | oi.alloc_hint_flags); | |
1643 | } | |
1644 | uint64_t off = 0; | |
1645 | uint32_t fadvise_flags = CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL; | |
1646 | if (cache_dont_need) | |
1647 | fadvise_flags |= CEPH_OSD_OP_FLAG_FADVISE_DONTNEED; | |
1648 | for (interval_set<uint64_t>::const_iterator p = intervals_included.begin(); | |
1649 | p != intervals_included.end(); | |
1650 | ++p) { | |
1651 | bufferlist bit; | |
1652 | bit.substr_of(data_included, off, p.get_len()); | |
1653 | t->write(coll, ghobject_t(target_oid), | |
1654 | p.get_start(), p.get_len(), bit, fadvise_flags); | |
1655 | off += p.get_len(); | |
1656 | } | |
1657 | ||
1658 | if (!omap_entries.empty()) | |
1659 | t->omap_setkeys(coll, ghobject_t(target_oid), omap_entries); | |
1660 | if (!attrs.empty()) | |
1661 | t->setattrs(coll, ghobject_t(target_oid), attrs); | |
1662 | ||
1663 | if (complete) { | |
1664 | if (!first) { | |
1665 | dout(10) << __func__ << ": Removing oid " | |
1666 | << target_oid << " from the temp collection" << dendl; | |
1667 | clear_temp_obj(target_oid); | |
1668 | t->remove(coll, ghobject_t(recovery_info.soid)); | |
1669 | t->collection_move_rename(coll, ghobject_t(target_oid), | |
1670 | coll, ghobject_t(recovery_info.soid)); | |
1671 | } | |
1672 | ||
1673 | submit_push_complete(recovery_info, t); | |
1674 | } | |
1675 | } | |
1676 | ||
1677 | void ReplicatedBackend::submit_push_complete( | |
1678 | const ObjectRecoveryInfo &recovery_info, | |
1679 | ObjectStore::Transaction *t) | |
1680 | { | |
1681 | for (map<hobject_t, interval_set<uint64_t>>::const_iterator p = | |
1682 | recovery_info.clone_subset.begin(); | |
1683 | p != recovery_info.clone_subset.end(); | |
1684 | ++p) { | |
1685 | for (interval_set<uint64_t>::const_iterator q = p->second.begin(); | |
1686 | q != p->second.end(); | |
1687 | ++q) { | |
1688 | dout(15) << " clone_range " << p->first << " " | |
1689 | << q.get_start() << "~" << q.get_len() << dendl; | |
1690 | t->clone_range(coll, ghobject_t(p->first), ghobject_t(recovery_info.soid), | |
1691 | q.get_start(), q.get_len(), q.get_start()); | |
1692 | } | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | ObjectRecoveryInfo ReplicatedBackend::recalc_subsets( | |
1697 | const ObjectRecoveryInfo& recovery_info, | |
1698 | SnapSetContext *ssc, | |
1699 | ObcLockManager &manager) | |
1700 | { | |
1701 | if (!recovery_info.soid.snap || recovery_info.soid.snap >= CEPH_NOSNAP) | |
1702 | return recovery_info; | |
1703 | ObjectRecoveryInfo new_info = recovery_info; | |
1704 | new_info.copy_subset.clear(); | |
1705 | new_info.clone_subset.clear(); | |
1706 | assert(ssc); | |
1707 | get_parent()->release_locks(manager); // might already have locks | |
1708 | calc_clone_subsets( | |
1709 | ssc->snapset, new_info.soid, get_parent()->get_local_missing(), | |
1710 | get_info().last_backfill, | |
1711 | new_info.copy_subset, new_info.clone_subset, | |
1712 | manager); | |
1713 | return new_info; | |
1714 | } | |
1715 | ||
1716 | bool ReplicatedBackend::handle_pull_response( | |
1717 | pg_shard_t from, const PushOp &pop, PullOp *response, | |
1718 | list<pull_complete_info> *to_continue, | |
1719 | ObjectStore::Transaction *t) | |
1720 | { | |
1721 | interval_set<uint64_t> data_included = pop.data_included; | |
1722 | bufferlist data; | |
1723 | data = pop.data; | |
1724 | dout(10) << "handle_pull_response " | |
1725 | << pop.recovery_info | |
1726 | << pop.after_progress | |
1727 | << " data.size() is " << data.length() | |
1728 | << " data_included: " << data_included | |
1729 | << dendl; | |
1730 | if (pop.version == eversion_t()) { | |
1731 | // replica doesn't have it! | |
224ce89b | 1732 | _failed_pull(from, pop.soid); |
7c673cae FG |
1733 | return false; |
1734 | } | |
1735 | ||
1736 | const hobject_t &hoid = pop.soid; | |
1737 | assert((data_included.empty() && data.length() == 0) || | |
1738 | (!data_included.empty() && data.length() > 0)); | |
1739 | ||
1740 | auto piter = pulling.find(hoid); | |
1741 | if (piter == pulling.end()) { | |
1742 | return false; | |
1743 | } | |
1744 | ||
1745 | PullInfo &pi = piter->second; | |
1746 | if (pi.recovery_info.size == (uint64_t(-1))) { | |
1747 | pi.recovery_info.size = pop.recovery_info.size; | |
1748 | pi.recovery_info.copy_subset.intersection_of( | |
1749 | pop.recovery_info.copy_subset); | |
1750 | } | |
224ce89b WB |
1751 | // If primary doesn't have object info and didn't know version |
1752 | if (pi.recovery_info.version == eversion_t()) { | |
1753 | pi.recovery_info.version = pop.version; | |
1754 | } | |
7c673cae FG |
1755 | |
1756 | bool first = pi.recovery_progress.first; | |
1757 | if (first) { | |
1758 | // attrs only reference the origin bufferlist (decode from | |
1759 | // MOSDPGPush message) whose size is much greater than attrs in | |
1760 | // recovery. If obc cache it (get_obc maybe cache the attr), this | |
1761 | // causes the whole origin bufferlist would not be free until obc | |
1762 | // is evicted from obc cache. So rebuild the bufferlists before | |
1763 | // cache it. | |
1764 | auto attrset = pop.attrset; | |
1765 | for (auto& a : attrset) { | |
1766 | a.second.rebuild(); | |
1767 | } | |
1768 | pi.obc = get_parent()->get_obc(pi.recovery_info.soid, attrset); | |
1769 | pi.recovery_info.oi = pi.obc->obs.oi; | |
1770 | pi.recovery_info = recalc_subsets( | |
1771 | pi.recovery_info, | |
1772 | pi.obc->ssc, | |
1773 | pi.lock_manager); | |
1774 | } | |
1775 | ||
1776 | ||
1777 | interval_set<uint64_t> usable_intervals; | |
1778 | bufferlist usable_data; | |
1779 | trim_pushed_data(pi.recovery_info.copy_subset, | |
1780 | data_included, | |
1781 | data, | |
1782 | &usable_intervals, | |
1783 | &usable_data); | |
1784 | data_included = usable_intervals; | |
1785 | data.claim(usable_data); | |
1786 | ||
1787 | ||
1788 | pi.recovery_progress = pop.after_progress; | |
1789 | ||
1790 | dout(10) << "new recovery_info " << pi.recovery_info | |
1791 | << ", new progress " << pi.recovery_progress | |
1792 | << dendl; | |
1793 | ||
1794 | bool complete = pi.is_complete(); | |
1795 | ||
1796 | submit_push_data(pi.recovery_info, first, | |
1797 | complete, pi.cache_dont_need, | |
1798 | data_included, data, | |
1799 | pop.omap_header, | |
1800 | pop.attrset, | |
1801 | pop.omap_entries, | |
1802 | t); | |
1803 | ||
1804 | pi.stat.num_keys_recovered += pop.omap_entries.size(); | |
1805 | pi.stat.num_bytes_recovered += data.length(); | |
1806 | ||
1807 | if (complete) { | |
1808 | pi.stat.num_objects_recovered++; | |
1809 | clear_pull_from(piter); | |
1810 | to_continue->push_back({hoid, pi.stat}); | |
1811 | get_parent()->on_local_recover( | |
c07f9fc5 | 1812 | hoid, pi.recovery_info, pi.obc, false, t); |
7c673cae FG |
1813 | return false; |
1814 | } else { | |
1815 | response->soid = pop.soid; | |
1816 | response->recovery_info = pi.recovery_info; | |
1817 | response->recovery_progress = pi.recovery_progress; | |
1818 | return true; | |
1819 | } | |
1820 | } | |
1821 | ||
1822 | void ReplicatedBackend::handle_push( | |
1823 | pg_shard_t from, const PushOp &pop, PushReplyOp *response, | |
1824 | ObjectStore::Transaction *t) | |
1825 | { | |
1826 | dout(10) << "handle_push " | |
1827 | << pop.recovery_info | |
1828 | << pop.after_progress | |
1829 | << dendl; | |
1830 | bufferlist data; | |
1831 | data = pop.data; | |
1832 | bool first = pop.before_progress.first; | |
1833 | bool complete = pop.after_progress.data_complete && | |
1834 | pop.after_progress.omap_complete; | |
1835 | ||
1836 | response->soid = pop.recovery_info.soid; | |
1837 | submit_push_data(pop.recovery_info, | |
1838 | first, | |
1839 | complete, | |
1840 | true, // must be replicate | |
1841 | pop.data_included, | |
1842 | data, | |
1843 | pop.omap_header, | |
1844 | pop.attrset, | |
1845 | pop.omap_entries, | |
1846 | t); | |
1847 | ||
1848 | if (complete) | |
1849 | get_parent()->on_local_recover( | |
1850 | pop.recovery_info.soid, | |
1851 | pop.recovery_info, | |
1852 | ObjectContextRef(), // ok, is replica | |
c07f9fc5 | 1853 | false, |
7c673cae FG |
1854 | t); |
1855 | } | |
1856 | ||
1857 | void ReplicatedBackend::send_pushes(int prio, map<pg_shard_t, vector<PushOp> > &pushes) | |
1858 | { | |
1859 | for (map<pg_shard_t, vector<PushOp> >::iterator i = pushes.begin(); | |
1860 | i != pushes.end(); | |
1861 | ++i) { | |
1862 | ConnectionRef con = get_parent()->get_con_osd_cluster( | |
1863 | i->first.osd, | |
1864 | get_osdmap()->get_epoch()); | |
1865 | if (!con) | |
1866 | continue; | |
1867 | vector<PushOp>::iterator j = i->second.begin(); | |
1868 | while (j != i->second.end()) { | |
1869 | uint64_t cost = 0; | |
1870 | uint64_t pushes = 0; | |
1871 | MOSDPGPush *msg = new MOSDPGPush(); | |
1872 | msg->from = get_parent()->whoami_shard(); | |
1873 | msg->pgid = get_parent()->primary_spg_t(); | |
1874 | msg->map_epoch = get_osdmap()->get_epoch(); | |
1875 | msg->min_epoch = get_parent()->get_last_peering_reset_epoch(); | |
1876 | msg->set_priority(prio); | |
1877 | for (; | |
1878 | (j != i->second.end() && | |
1879 | cost < cct->_conf->osd_max_push_cost && | |
1880 | pushes < cct->_conf->osd_max_push_objects) ; | |
1881 | ++j) { | |
1882 | dout(20) << __func__ << ": sending push " << *j | |
1883 | << " to osd." << i->first << dendl; | |
1884 | cost += j->cost(cct); | |
1885 | pushes += 1; | |
1886 | msg->pushes.push_back(*j); | |
1887 | } | |
1888 | msg->set_cost(cost); | |
1889 | get_parent()->send_message_osd_cluster(msg, con); | |
1890 | } | |
1891 | } | |
1892 | } | |
1893 | ||
1894 | void ReplicatedBackend::send_pulls(int prio, map<pg_shard_t, vector<PullOp> > &pulls) | |
1895 | { | |
1896 | for (map<pg_shard_t, vector<PullOp> >::iterator i = pulls.begin(); | |
1897 | i != pulls.end(); | |
1898 | ++i) { | |
1899 | ConnectionRef con = get_parent()->get_con_osd_cluster( | |
1900 | i->first.osd, | |
1901 | get_osdmap()->get_epoch()); | |
1902 | if (!con) | |
1903 | continue; | |
1904 | dout(20) << __func__ << ": sending pulls " << i->second | |
1905 | << " to osd." << i->first << dendl; | |
1906 | MOSDPGPull *msg = new MOSDPGPull(); | |
1907 | msg->from = parent->whoami_shard(); | |
1908 | msg->set_priority(prio); | |
1909 | msg->pgid = get_parent()->primary_spg_t(); | |
1910 | msg->map_epoch = get_osdmap()->get_epoch(); | |
1911 | msg->min_epoch = get_parent()->get_last_peering_reset_epoch(); | |
1912 | msg->set_pulls(&i->second); | |
1913 | msg->compute_cost(cct); | |
1914 | get_parent()->send_message_osd_cluster(msg, con); | |
1915 | } | |
1916 | } | |
1917 | ||
1918 | int ReplicatedBackend::build_push_op(const ObjectRecoveryInfo &recovery_info, | |
1919 | const ObjectRecoveryProgress &progress, | |
1920 | ObjectRecoveryProgress *out_progress, | |
1921 | PushOp *out_op, | |
1922 | object_stat_sum_t *stat, | |
1923 | bool cache_dont_need) | |
1924 | { | |
1925 | ObjectRecoveryProgress _new_progress; | |
1926 | if (!out_progress) | |
1927 | out_progress = &_new_progress; | |
1928 | ObjectRecoveryProgress &new_progress = *out_progress; | |
1929 | new_progress = progress; | |
1930 | ||
224ce89b | 1931 | dout(7) << __func__ << " " << recovery_info.soid |
7c673cae FG |
1932 | << " v " << recovery_info.version |
1933 | << " size " << recovery_info.size | |
1934 | << " recovery_info: " << recovery_info | |
1935 | << dendl; | |
1936 | ||
224ce89b | 1937 | eversion_t v = recovery_info.version; |
7c673cae FG |
1938 | if (progress.first) { |
1939 | int r = store->omap_get_header(coll, ghobject_t(recovery_info.soid), &out_op->omap_header); | |
1940 | if(r < 0) { | |
1941 | dout(1) << __func__ << " get omap header failed: " << cpp_strerror(-r) << dendl; | |
1942 | return r; | |
1943 | } | |
1944 | r = store->getattrs(ch, ghobject_t(recovery_info.soid), out_op->attrset); | |
1945 | if(r < 0) { | |
1946 | dout(1) << __func__ << " getattrs failed: " << cpp_strerror(-r) << dendl; | |
1947 | return r; | |
1948 | } | |
1949 | ||
1950 | // Debug | |
1951 | bufferlist bv = out_op->attrset[OI_ATTR]; | |
224ce89b WB |
1952 | object_info_t oi; |
1953 | try { | |
1954 | bufferlist::iterator bliter = bv.begin(); | |
1955 | ::decode(oi, bliter); | |
1956 | } catch (...) { | |
1957 | dout(0) << __func__ << ": bad object_info_t: " << recovery_info.soid << dendl; | |
1958 | return -EINVAL; | |
1959 | } | |
7c673cae | 1960 | |
224ce89b WB |
1961 | // If requestor didn't know the version, use ours |
1962 | if (v == eversion_t()) { | |
1963 | v = oi.version; | |
1964 | } else if (oi.version != v) { | |
7c673cae FG |
1965 | get_parent()->clog_error() << get_info().pgid << " push " |
1966 | << recovery_info.soid << " v " | |
1967 | << recovery_info.version | |
1968 | << " failed because local copy is " | |
1969 | << oi.version; | |
1970 | return -EINVAL; | |
1971 | } | |
1972 | ||
1973 | new_progress.first = false; | |
1974 | } | |
224ce89b WB |
1975 | // Once we provide the version subsequent requests will have it, so |
1976 | // at this point it must be known. | |
1977 | assert(v != eversion_t()); | |
7c673cae FG |
1978 | |
1979 | uint64_t available = cct->_conf->osd_recovery_max_chunk; | |
1980 | if (!progress.omap_complete) { | |
1981 | ObjectMap::ObjectMapIterator iter = | |
1982 | store->get_omap_iterator(coll, | |
1983 | ghobject_t(recovery_info.soid)); | |
1984 | assert(iter); | |
1985 | for (iter->lower_bound(progress.omap_recovered_to); | |
1986 | iter->valid(); | |
1987 | iter->next(false)) { | |
1988 | if (!out_op->omap_entries.empty() && | |
1989 | ((cct->_conf->osd_recovery_max_omap_entries_per_chunk > 0 && | |
1990 | out_op->omap_entries.size() >= cct->_conf->osd_recovery_max_omap_entries_per_chunk) || | |
1991 | available <= iter->key().size() + iter->value().length())) | |
1992 | break; | |
1993 | out_op->omap_entries.insert(make_pair(iter->key(), iter->value())); | |
1994 | ||
1995 | if ((iter->key().size() + iter->value().length()) <= available) | |
1996 | available -= (iter->key().size() + iter->value().length()); | |
1997 | else | |
1998 | available = 0; | |
1999 | } | |
2000 | if (!iter->valid()) | |
2001 | new_progress.omap_complete = true; | |
2002 | else | |
2003 | new_progress.omap_recovered_to = iter->key(); | |
2004 | } | |
2005 | ||
2006 | if (available > 0) { | |
2007 | if (!recovery_info.copy_subset.empty()) { | |
2008 | interval_set<uint64_t> copy_subset = recovery_info.copy_subset; | |
2009 | map<uint64_t, uint64_t> m; | |
2010 | int r = store->fiemap(ch, ghobject_t(recovery_info.soid), 0, | |
2011 | copy_subset.range_end(), m); | |
2012 | if (r >= 0) { | |
2013 | interval_set<uint64_t> fiemap_included(m); | |
2014 | copy_subset.intersection_of(fiemap_included); | |
2015 | } else { | |
2016 | // intersection of copy_subset and empty interval_set would be empty anyway | |
2017 | copy_subset.clear(); | |
2018 | } | |
2019 | ||
2020 | out_op->data_included.span_of(copy_subset, progress.data_recovered_to, | |
2021 | available); | |
2022 | if (out_op->data_included.empty()) // zero filled section, skip to end! | |
2023 | new_progress.data_recovered_to = recovery_info.copy_subset.range_end(); | |
2024 | else | |
2025 | new_progress.data_recovered_to = out_op->data_included.range_end(); | |
2026 | } | |
2027 | } else { | |
2028 | out_op->data_included.clear(); | |
2029 | } | |
2030 | ||
2031 | for (interval_set<uint64_t>::iterator p = out_op->data_included.begin(); | |
2032 | p != out_op->data_included.end(); | |
2033 | ++p) { | |
2034 | bufferlist bit; | |
224ce89b | 2035 | int r = store->read(ch, ghobject_t(recovery_info.soid), |
7c673cae FG |
2036 | p.get_start(), p.get_len(), bit, |
2037 | cache_dont_need ? CEPH_OSD_OP_FLAG_FADVISE_DONTNEED: 0); | |
224ce89b WB |
2038 | if (cct->_conf->osd_debug_random_push_read_error && |
2039 | (rand() % (int)(cct->_conf->osd_debug_random_push_read_error * 100.0)) == 0) { | |
2040 | dout(0) << __func__ << ": inject EIO " << recovery_info.soid << dendl; | |
2041 | r = -EIO; | |
2042 | } | |
2043 | if (r < 0) { | |
2044 | return r; | |
2045 | } | |
7c673cae FG |
2046 | if (p.get_len() != bit.length()) { |
2047 | dout(10) << " extent " << p.get_start() << "~" << p.get_len() | |
2048 | << " is actually " << p.get_start() << "~" << bit.length() | |
2049 | << dendl; | |
2050 | interval_set<uint64_t>::iterator save = p++; | |
2051 | if (bit.length() == 0) | |
2052 | out_op->data_included.erase(save); //Remove this empty interval | |
2053 | else | |
2054 | save.set_len(bit.length()); | |
2055 | // Remove any other intervals present | |
2056 | while (p != out_op->data_included.end()) { | |
2057 | interval_set<uint64_t>::iterator save = p++; | |
2058 | out_op->data_included.erase(save); | |
2059 | } | |
2060 | new_progress.data_complete = true; | |
2061 | out_op->data.claim_append(bit); | |
2062 | break; | |
2063 | } | |
2064 | out_op->data.claim_append(bit); | |
2065 | } | |
2066 | ||
2067 | if (new_progress.is_complete(recovery_info)) { | |
2068 | new_progress.data_complete = true; | |
2069 | if (stat) | |
2070 | stat->num_objects_recovered++; | |
2071 | } | |
2072 | ||
2073 | if (stat) { | |
2074 | stat->num_keys_recovered += out_op->omap_entries.size(); | |
2075 | stat->num_bytes_recovered += out_op->data.length(); | |
2076 | } | |
2077 | ||
2078 | get_parent()->get_logger()->inc(l_osd_push); | |
2079 | get_parent()->get_logger()->inc(l_osd_push_outb, out_op->data.length()); | |
2080 | ||
2081 | // send | |
224ce89b | 2082 | out_op->version = v; |
7c673cae FG |
2083 | out_op->soid = recovery_info.soid; |
2084 | out_op->recovery_info = recovery_info; | |
2085 | out_op->after_progress = new_progress; | |
2086 | out_op->before_progress = progress; | |
2087 | return 0; | |
2088 | } | |
2089 | ||
2090 | void ReplicatedBackend::prep_push_op_blank(const hobject_t& soid, PushOp *op) | |
2091 | { | |
2092 | op->recovery_info.version = eversion_t(); | |
2093 | op->version = eversion_t(); | |
2094 | op->soid = soid; | |
2095 | } | |
2096 | ||
2097 | bool ReplicatedBackend::handle_push_reply( | |
2098 | pg_shard_t peer, const PushReplyOp &op, PushOp *reply) | |
2099 | { | |
2100 | const hobject_t &soid = op.soid; | |
2101 | if (pushing.count(soid) == 0) { | |
2102 | dout(10) << "huh, i wasn't pushing " << soid << " to osd." << peer | |
2103 | << ", or anybody else" | |
2104 | << dendl; | |
2105 | return false; | |
2106 | } else if (pushing[soid].count(peer) == 0) { | |
2107 | dout(10) << "huh, i wasn't pushing " << soid << " to osd." << peer | |
2108 | << dendl; | |
2109 | return false; | |
2110 | } else { | |
2111 | PushInfo *pi = &pushing[soid][peer]; | |
224ce89b | 2112 | bool error = pushing[soid].begin()->second.recovery_progress.error; |
7c673cae | 2113 | |
224ce89b | 2114 | if (!pi->recovery_progress.data_complete && !error) { |
7c673cae FG |
2115 | dout(10) << " pushing more from, " |
2116 | << pi->recovery_progress.data_recovered_to | |
2117 | << " of " << pi->recovery_info.copy_subset << dendl; | |
2118 | ObjectRecoveryProgress new_progress; | |
2119 | int r = build_push_op( | |
2120 | pi->recovery_info, | |
2121 | pi->recovery_progress, &new_progress, reply, | |
2122 | &(pi->stat)); | |
224ce89b WB |
2123 | // Handle the case of a read error right after we wrote, which is |
2124 | // hopefuilly extremely rare. | |
2125 | if (r < 0) { | |
2126 | dout(5) << __func__ << ": oid " << soid << " error " << r << dendl; | |
2127 | ||
2128 | error = true; | |
2129 | goto done; | |
2130 | } | |
7c673cae FG |
2131 | pi->recovery_progress = new_progress; |
2132 | return true; | |
2133 | } else { | |
2134 | // done! | |
224ce89b WB |
2135 | done: |
2136 | if (!error) | |
2137 | get_parent()->on_peer_recover( peer, soid, pi->recovery_info); | |
7c673cae FG |
2138 | |
2139 | get_parent()->release_locks(pi->lock_manager); | |
2140 | object_stat_sum_t stat = pi->stat; | |
224ce89b | 2141 | eversion_t v = pi->recovery_info.version; |
7c673cae FG |
2142 | pushing[soid].erase(peer); |
2143 | pi = NULL; | |
2144 | ||
2145 | if (pushing[soid].empty()) { | |
224ce89b | 2146 | if (!error) |
c07f9fc5 | 2147 | get_parent()->on_global_recover(soid, stat, false); |
224ce89b WB |
2148 | else |
2149 | get_parent()->on_primary_error(soid, v); | |
7c673cae FG |
2150 | pushing.erase(soid); |
2151 | } else { | |
224ce89b WB |
2152 | // This looks weird, but we erased the current peer and need to remember |
2153 | // the error on any other one, while getting more acks. | |
2154 | if (error) | |
2155 | pushing[soid].begin()->second.recovery_progress.error = true; | |
7c673cae FG |
2156 | dout(10) << "pushed " << soid << ", still waiting for push ack from " |
2157 | << pushing[soid].size() << " others" << dendl; | |
2158 | } | |
2159 | return false; | |
2160 | } | |
2161 | } | |
2162 | } | |
2163 | ||
2164 | void ReplicatedBackend::handle_pull(pg_shard_t peer, PullOp &op, PushOp *reply) | |
2165 | { | |
2166 | const hobject_t &soid = op.soid; | |
2167 | struct stat st; | |
2168 | int r = store->stat(ch, ghobject_t(soid), &st); | |
2169 | if (r != 0) { | |
2170 | get_parent()->clog_error() << get_info().pgid << " " | |
2171 | << peer << " tried to pull " << soid | |
2172 | << " but got " << cpp_strerror(-r); | |
2173 | prep_push_op_blank(soid, reply); | |
2174 | } else { | |
2175 | ObjectRecoveryInfo &recovery_info = op.recovery_info; | |
2176 | ObjectRecoveryProgress &progress = op.recovery_progress; | |
2177 | if (progress.first && recovery_info.size == ((uint64_t)-1)) { | |
2178 | // Adjust size and copy_subset | |
2179 | recovery_info.size = st.st_size; | |
2180 | recovery_info.copy_subset.clear(); | |
2181 | if (st.st_size) | |
2182 | recovery_info.copy_subset.insert(0, st.st_size); | |
2183 | assert(recovery_info.clone_subset.empty()); | |
2184 | } | |
2185 | ||
2186 | r = build_push_op(recovery_info, progress, 0, reply); | |
2187 | if (r < 0) | |
2188 | prep_push_op_blank(soid, reply); | |
2189 | } | |
2190 | } | |
2191 | ||
2192 | /** | |
2193 | * trim received data to remove what we don't want | |
2194 | * | |
2195 | * @param copy_subset intervals we want | |
2196 | * @param data_included intervals we got | |
2197 | * @param data_recieved data we got | |
2198 | * @param intervals_usable intervals we want to keep | |
2199 | * @param data_usable matching data we want to keep | |
2200 | */ | |
2201 | void ReplicatedBackend::trim_pushed_data( | |
2202 | const interval_set<uint64_t> ©_subset, | |
2203 | const interval_set<uint64_t> &intervals_received, | |
2204 | bufferlist data_received, | |
2205 | interval_set<uint64_t> *intervals_usable, | |
2206 | bufferlist *data_usable) | |
2207 | { | |
2208 | if (intervals_received.subset_of(copy_subset)) { | |
2209 | *intervals_usable = intervals_received; | |
2210 | *data_usable = data_received; | |
2211 | return; | |
2212 | } | |
2213 | ||
2214 | intervals_usable->intersection_of(copy_subset, | |
2215 | intervals_received); | |
2216 | ||
2217 | uint64_t off = 0; | |
2218 | for (interval_set<uint64_t>::const_iterator p = intervals_received.begin(); | |
2219 | p != intervals_received.end(); | |
2220 | ++p) { | |
2221 | interval_set<uint64_t> x; | |
2222 | x.insert(p.get_start(), p.get_len()); | |
2223 | x.intersection_of(copy_subset); | |
2224 | for (interval_set<uint64_t>::const_iterator q = x.begin(); | |
2225 | q != x.end(); | |
2226 | ++q) { | |
2227 | bufferlist sub; | |
2228 | uint64_t data_off = off + (q.get_start() - p.get_start()); | |
2229 | sub.substr_of(data_received, data_off, q.get_len()); | |
2230 | data_usable->claim_append(sub); | |
2231 | } | |
2232 | off += p.get_len(); | |
2233 | } | |
2234 | } | |
2235 | ||
224ce89b | 2236 | void ReplicatedBackend::_failed_pull(pg_shard_t from, const hobject_t &soid) |
7c673cae | 2237 | { |
224ce89b | 2238 | dout(20) << __func__ << ": " << soid << " from " << from << dendl; |
7c673cae FG |
2239 | list<pg_shard_t> fl = { from }; |
2240 | get_parent()->failed_push(fl, soid); | |
2241 | ||
2242 | clear_pull(pulling.find(soid)); | |
2243 | } | |
2244 | ||
2245 | void ReplicatedBackend::clear_pull_from( | |
2246 | map<hobject_t, PullInfo>::iterator piter) | |
2247 | { | |
2248 | auto from = piter->second.from; | |
2249 | pull_from_peer[from].erase(piter->second.soid); | |
2250 | if (pull_from_peer[from].empty()) | |
2251 | pull_from_peer.erase(from); | |
2252 | } | |
2253 | ||
2254 | void ReplicatedBackend::clear_pull( | |
2255 | map<hobject_t, PullInfo>::iterator piter, | |
2256 | bool clear_pull_from_peer) | |
2257 | { | |
2258 | if (clear_pull_from_peer) { | |
2259 | clear_pull_from(piter); | |
2260 | } | |
2261 | get_parent()->release_locks(piter->second.lock_manager); | |
2262 | pulling.erase(piter); | |
2263 | } | |
2264 | ||
2265 | int ReplicatedBackend::start_pushes( | |
2266 | const hobject_t &soid, | |
2267 | ObjectContextRef obc, | |
2268 | RPGHandle *h) | |
2269 | { | |
224ce89b WB |
2270 | list< map<pg_shard_t, pg_missing_t>::const_iterator > shards; |
2271 | ||
2272 | dout(20) << __func__ << " soid " << soid << dendl; | |
7c673cae FG |
2273 | // who needs it? |
2274 | assert(get_parent()->get_actingbackfill_shards().size() > 0); | |
2275 | for (set<pg_shard_t>::iterator i = | |
2276 | get_parent()->get_actingbackfill_shards().begin(); | |
2277 | i != get_parent()->get_actingbackfill_shards().end(); | |
2278 | ++i) { | |
2279 | if (*i == get_parent()->whoami_shard()) continue; | |
2280 | pg_shard_t peer = *i; | |
2281 | map<pg_shard_t, pg_missing_t>::const_iterator j = | |
2282 | get_parent()->get_shard_missing().find(peer); | |
2283 | assert(j != get_parent()->get_shard_missing().end()); | |
2284 | if (j->second.is_missing(soid)) { | |
224ce89b WB |
2285 | shards.push_back(j); |
2286 | } | |
2287 | } | |
2288 | ||
2289 | // If more than 1 read will occur ignore possible request to not cache | |
2290 | bool cache = shards.size() == 1 ? h->cache_dont_need : false; | |
2291 | ||
2292 | for (auto j : shards) { | |
2293 | pg_shard_t peer = j->first; | |
2294 | h->pushes[peer].push_back(PushOp()); | |
2295 | int r = prep_push_to_replica(obc, soid, peer, | |
2296 | &(h->pushes[peer].back()), cache); | |
2297 | if (r < 0) { | |
2298 | // Back out all failed reads | |
2299 | for (auto k : shards) { | |
2300 | pg_shard_t p = k->first; | |
2301 | dout(10) << __func__ << " clean up peer " << p << dendl; | |
2302 | h->pushes[p].pop_back(); | |
2303 | if (p == peer) break; | |
2304 | } | |
2305 | return r; | |
7c673cae FG |
2306 | } |
2307 | } | |
224ce89b | 2308 | return shards.size(); |
7c673cae | 2309 | } |