]>
Commit | Line | Data |
---|---|---|
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | /* | |
3 | * Ceph - scalable distributed file system | |
4 | * | |
5 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
6 | * Copyright (C) 2013 Cloudwatt <libre.licensing@cloudwatt.com> | |
7 | * | |
8 | * Author: Loic Dachary <loic@dachary.org> | |
9 | * | |
10 | * This is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License version 2.1, as published by the Free Software | |
13 | * Foundation. See file COPYING. | |
14 | * | |
15 | */ | |
16 | ||
17 | #ifndef CEPH_REPLICATEDPG_H | |
18 | #define CEPH_REPLICATEDPG_H | |
19 | ||
20 | #include <boost/tuple/tuple.hpp> | |
21 | #include "include/assert.h" | |
22 | #include "PG.h" | |
23 | #include "Watch.h" | |
24 | #include "TierAgentState.h" | |
25 | #include "messages/MOSDOpReply.h" | |
26 | #include "common/Checksummer.h" | |
27 | #include "common/sharedptr_registry.hpp" | |
28 | #include "ReplicatedBackend.h" | |
29 | #include "PGTransaction.h" | |
30 | ||
31 | class CopyFromCallback; | |
32 | class PromoteCallback; | |
33 | ||
34 | class PrimaryLogPG; | |
35 | class PGLSFilter; | |
36 | class HitSet; | |
37 | struct TierAgentState; | |
38 | class MOSDOp; | |
39 | class MOSDOpReply; | |
40 | class OSDService; | |
41 | ||
42 | void intrusive_ptr_add_ref(PrimaryLogPG *pg); | |
43 | void intrusive_ptr_release(PrimaryLogPG *pg); | |
44 | uint64_t get_with_id(PrimaryLogPG *pg); | |
45 | void put_with_id(PrimaryLogPG *pg, uint64_t id); | |
46 | ||
47 | #ifdef PG_DEBUG_REFS | |
48 | typedef TrackedIntPtr<PrimaryLogPG> PrimaryLogPGRef; | |
49 | #else | |
50 | typedef boost::intrusive_ptr<PrimaryLogPG> PrimaryLogPGRef; | |
51 | #endif | |
52 | ||
53 | struct inconsistent_snapset_wrapper; | |
54 | ||
55 | class PrimaryLogPG : public PG, public PGBackend::Listener { | |
56 | friend class OSD; | |
57 | friend class Watch; | |
58 | ||
59 | public: | |
60 | MEMPOOL_CLASS_HELPERS(); | |
61 | ||
62 | /* | |
63 | * state associated with a copy operation | |
64 | */ | |
65 | struct OpContext; | |
66 | class CopyCallback; | |
67 | ||
68 | /** | |
69 | * CopyResults stores the object metadata of interest to a copy initiator. | |
70 | */ | |
71 | struct CopyResults { | |
72 | ceph::real_time mtime; ///< the copy source's mtime | |
73 | uint64_t object_size; ///< the copied object's size | |
74 | bool started_temp_obj; ///< true if the callback needs to delete temp object | |
75 | hobject_t temp_oid; ///< temp object (if any) | |
76 | ||
77 | /** | |
78 | * Function to fill in transaction; if non-empty the callback | |
79 | * must execute it before any other accesses to the object | |
80 | * (in order to complete the copy). | |
81 | */ | |
82 | std::function<void(PGTransaction *)> fill_in_final_tx; | |
83 | ||
84 | version_t user_version; ///< The copy source's user version | |
85 | bool should_requeue; ///< op should be requeued on cancel | |
86 | vector<snapid_t> snaps; ///< src's snaps (if clone) | |
87 | snapid_t snap_seq; ///< src's snap_seq (if head) | |
88 | librados::snap_set_t snapset; ///< src snapset (if head) | |
89 | bool mirror_snapset; | |
90 | bool has_omap; | |
91 | uint32_t flags; // object_copy_data_t::FLAG_* | |
92 | uint32_t source_data_digest, source_omap_digest; | |
93 | uint32_t data_digest, omap_digest; | |
94 | mempool::osd_pglog::vector<pair<osd_reqid_t, version_t> > reqids; // [(reqid, user_version)] | |
95 | map<string, bufferlist> attrs; // xattrs | |
96 | uint64_t truncate_seq; | |
97 | uint64_t truncate_size; | |
98 | bool is_data_digest() { | |
99 | return flags & object_copy_data_t::FLAG_DATA_DIGEST; | |
100 | } | |
101 | bool is_omap_digest() { | |
102 | return flags & object_copy_data_t::FLAG_OMAP_DIGEST; | |
103 | } | |
104 | CopyResults() | |
105 | : object_size(0), started_temp_obj(false), | |
106 | user_version(0), | |
107 | should_requeue(false), mirror_snapset(false), | |
108 | has_omap(false), | |
109 | flags(0), | |
110 | source_data_digest(-1), source_omap_digest(-1), | |
111 | data_digest(-1), omap_digest(-1), | |
112 | truncate_seq(0), truncate_size(0) | |
113 | {} | |
114 | }; | |
115 | ||
116 | struct CopyOp { | |
117 | CopyCallback *cb; | |
118 | ObjectContextRef obc; | |
119 | hobject_t src; | |
120 | object_locator_t oloc; | |
121 | unsigned flags; | |
122 | bool mirror_snapset; | |
123 | ||
124 | CopyResults results; | |
125 | ||
126 | ceph_tid_t objecter_tid; | |
127 | ceph_tid_t objecter_tid2; | |
128 | ||
129 | object_copy_cursor_t cursor; | |
130 | map<string,bufferlist> attrs; | |
131 | bufferlist data; | |
132 | bufferlist omap_header; | |
133 | bufferlist omap_data; | |
134 | int rval; | |
135 | ||
136 | object_copy_cursor_t temp_cursor; | |
137 | ||
138 | /* | |
139 | * For CopyOp the process is: | |
140 | * step1: read the data(attr/omap/data) from the source object | |
141 | * step2: handle those data(w/ those data create a new object) | |
142 | * src_obj_fadvise_flags used in step1; | |
143 | * dest_obj_fadvise_flags used in step2 | |
144 | */ | |
145 | unsigned src_obj_fadvise_flags; | |
146 | unsigned dest_obj_fadvise_flags; | |
147 | ||
148 | CopyOp(CopyCallback *cb_, ObjectContextRef _obc, hobject_t s, | |
149 | object_locator_t l, | |
150 | version_t v, | |
151 | unsigned f, | |
152 | bool ms, | |
153 | unsigned src_obj_fadvise_flags, | |
154 | unsigned dest_obj_fadvise_flags) | |
155 | : cb(cb_), obc(_obc), src(s), oloc(l), flags(f), | |
156 | mirror_snapset(ms), | |
157 | objecter_tid(0), | |
158 | objecter_tid2(0), | |
159 | rval(-1), | |
160 | src_obj_fadvise_flags(src_obj_fadvise_flags), | |
161 | dest_obj_fadvise_flags(dest_obj_fadvise_flags) | |
162 | { | |
163 | results.user_version = v; | |
164 | results.mirror_snapset = mirror_snapset; | |
165 | } | |
166 | }; | |
167 | typedef ceph::shared_ptr<CopyOp> CopyOpRef; | |
168 | ||
169 | /** | |
170 | * The CopyCallback class defines an interface for completions to the | |
171 | * copy_start code. Users of the copy infrastructure must implement | |
172 | * one and give an instance of the class to start_copy. | |
173 | * | |
174 | * The implementer is responsible for making sure that the CopyCallback | |
175 | * can associate itself with the correct copy operation. | |
176 | */ | |
177 | typedef boost::tuple<int, CopyResults*> CopyCallbackResults; | |
178 | ||
179 | friend class CopyFromCallback; | |
180 | friend class PromoteCallback; | |
181 | ||
182 | struct ProxyReadOp { | |
183 | OpRequestRef op; | |
184 | hobject_t soid; | |
185 | ceph_tid_t objecter_tid; | |
186 | vector<OSDOp> &ops; | |
187 | version_t user_version; | |
188 | int data_offset; | |
189 | bool canceled; ///< true if canceled | |
190 | ||
191 | ProxyReadOp(OpRequestRef _op, hobject_t oid, vector<OSDOp>& _ops) | |
192 | : op(_op), soid(oid), | |
193 | objecter_tid(0), ops(_ops), | |
194 | user_version(0), data_offset(0), | |
195 | canceled(false) { } | |
196 | }; | |
197 | typedef ceph::shared_ptr<ProxyReadOp> ProxyReadOpRef; | |
198 | ||
199 | struct ProxyWriteOp { | |
200 | OpContext *ctx; | |
201 | OpRequestRef op; | |
202 | hobject_t soid; | |
203 | ceph_tid_t objecter_tid; | |
204 | vector<OSDOp> &ops; | |
205 | version_t user_version; | |
206 | bool sent_reply; | |
207 | utime_t mtime; | |
208 | bool canceled; | |
209 | osd_reqid_t reqid; | |
210 | ||
211 | ProxyWriteOp(OpRequestRef _op, hobject_t oid, vector<OSDOp>& _ops, osd_reqid_t _reqid) | |
212 | : ctx(NULL), op(_op), soid(oid), | |
213 | objecter_tid(0), ops(_ops), | |
214 | user_version(0), sent_reply(false), | |
215 | canceled(false), | |
216 | reqid(_reqid) { } | |
217 | }; | |
218 | typedef ceph::shared_ptr<ProxyWriteOp> ProxyWriteOpRef; | |
219 | ||
220 | struct FlushOp { | |
221 | ObjectContextRef obc; ///< obc we are flushing | |
222 | OpRequestRef op; ///< initiating op | |
223 | list<OpRequestRef> dup_ops; ///< bandwagon jumpers | |
224 | version_t flushed_version; ///< user version we are flushing | |
225 | ceph_tid_t objecter_tid; ///< copy-from request tid | |
226 | int rval; ///< copy-from result | |
227 | bool blocking; ///< whether we are blocking updates | |
228 | bool removal; ///< we are removing the backend object | |
229 | boost::optional<std::function<void()>> on_flush; ///< callback, may be null | |
230 | ||
231 | FlushOp() | |
232 | : flushed_version(0), objecter_tid(0), rval(0), | |
233 | blocking(false), removal(false) {} | |
234 | ~FlushOp() { assert(!on_flush); } | |
235 | }; | |
236 | typedef ceph::shared_ptr<FlushOp> FlushOpRef; | |
237 | ||
238 | boost::scoped_ptr<PGBackend> pgbackend; | |
239 | PGBackend *get_pgbackend() override { | |
240 | return pgbackend.get(); | |
241 | } | |
242 | ||
243 | /// Listener methods | |
244 | DoutPrefixProvider *get_dpp() override { | |
245 | return this; | |
246 | } | |
247 | ||
248 | void on_local_recover( | |
249 | const hobject_t &oid, | |
250 | const ObjectRecoveryInfo &recovery_info, | |
251 | ObjectContextRef obc, | |
252 | ObjectStore::Transaction *t | |
253 | ) override; | |
254 | void on_peer_recover( | |
255 | pg_shard_t peer, | |
256 | const hobject_t &oid, | |
257 | const ObjectRecoveryInfo &recovery_info | |
258 | ) override; | |
259 | void begin_peer_recover( | |
260 | pg_shard_t peer, | |
261 | const hobject_t oid) override; | |
262 | void on_global_recover( | |
263 | const hobject_t &oid, | |
264 | const object_stat_sum_t &stat_diff) override; | |
265 | void failed_push(const list<pg_shard_t> &from, const hobject_t &soid) override; | |
266 | void primary_failed(const hobject_t &soid) override; | |
267 | bool primary_error(const hobject_t& soid, eversion_t v) override; | |
268 | void cancel_pull(const hobject_t &soid) override; | |
269 | void apply_stats( | |
270 | const hobject_t &soid, | |
271 | const object_stat_sum_t &delta_stats) override; | |
272 | void on_primary_error(const hobject_t &oid, eversion_t v) override; | |
273 | ||
274 | template<class T> class BlessedGenContext; | |
275 | class BlessedContext; | |
276 | Context *bless_context(Context *c) override; | |
277 | ||
278 | GenContext<ThreadPool::TPHandle&> *bless_gencontext( | |
279 | GenContext<ThreadPool::TPHandle&> *c) override; | |
280 | ||
281 | void send_message(int to_osd, Message *m) override { | |
282 | osd->send_message_osd_cluster(to_osd, m, get_osdmap()->get_epoch()); | |
283 | } | |
284 | void queue_transaction(ObjectStore::Transaction&& t, | |
285 | OpRequestRef op) override { | |
286 | osd->store->queue_transaction(osr.get(), std::move(t), 0, 0, 0, op); | |
287 | } | |
288 | void queue_transactions(vector<ObjectStore::Transaction>& tls, | |
289 | OpRequestRef op) override { | |
290 | osd->store->queue_transactions(osr.get(), tls, 0, 0, 0, op, NULL); | |
291 | } | |
292 | epoch_t get_epoch() const override { | |
293 | return get_osdmap()->get_epoch(); | |
294 | } | |
295 | epoch_t get_interval_start_epoch() const override { | |
296 | return info.history.same_interval_since; | |
297 | } | |
298 | epoch_t get_last_peering_reset_epoch() const override { | |
299 | return get_last_peering_reset(); | |
300 | } | |
301 | const set<pg_shard_t> &get_actingbackfill_shards() const override { | |
302 | return actingbackfill; | |
303 | } | |
304 | const set<pg_shard_t> &get_acting_shards() const override { | |
305 | return actingset; | |
306 | } | |
307 | const set<pg_shard_t> &get_backfill_shards() const override { | |
308 | return backfill_targets; | |
309 | } | |
310 | ||
311 | std::string gen_dbg_prefix() const override { return gen_prefix(); } | |
312 | ||
313 | const map<hobject_t, set<pg_shard_t>> | |
314 | &get_missing_loc_shards() const override { | |
315 | return missing_loc.get_missing_locs(); | |
316 | } | |
317 | const map<pg_shard_t, pg_missing_t> &get_shard_missing() const override { | |
318 | return peer_missing; | |
319 | } | |
320 | using PGBackend::Listener::get_shard_missing; | |
321 | const map<pg_shard_t, pg_info_t> &get_shard_info() const override { | |
322 | return peer_info; | |
323 | } | |
324 | using PGBackend::Listener::get_shard_info; | |
325 | const pg_missing_tracker_t &get_local_missing() const override { | |
326 | return pg_log.get_missing(); | |
327 | } | |
328 | const PGLog &get_log() const override { | |
329 | return pg_log; | |
330 | } | |
331 | bool pgb_is_primary() const override { | |
332 | return is_primary(); | |
333 | } | |
334 | OSDMapRef pgb_get_osdmap() const override { | |
335 | return get_osdmap(); | |
336 | } | |
337 | const pg_info_t &get_info() const override { | |
338 | return info; | |
339 | } | |
340 | const pg_pool_t &get_pool() const override { | |
341 | return pool.info; | |
342 | } | |
343 | ||
344 | ObjectContextRef get_obc( | |
345 | const hobject_t &hoid, | |
346 | const map<string, bufferlist> &attrs) override { | |
347 | return get_object_context(hoid, true, &attrs); | |
348 | } | |
349 | ||
350 | bool try_lock_for_read( | |
351 | const hobject_t &hoid, | |
352 | ObcLockManager &manager) override { | |
353 | if (is_missing_object(hoid)) | |
354 | return false; | |
355 | auto obc = get_object_context(hoid, false, nullptr); | |
356 | if (!obc) | |
357 | return false; | |
358 | return manager.try_get_read_lock(hoid, obc); | |
359 | } | |
360 | ||
361 | void release_locks(ObcLockManager &manager) override { | |
362 | release_object_locks(manager); | |
363 | } | |
364 | ||
365 | void pgb_set_object_snap_mapping( | |
366 | const hobject_t &soid, | |
367 | const set<snapid_t> &snaps, | |
368 | ObjectStore::Transaction *t) override { | |
369 | return update_object_snap_mapping(t, soid, snaps); | |
370 | } | |
371 | void pgb_clear_object_snap_mapping( | |
372 | const hobject_t &soid, | |
373 | ObjectStore::Transaction *t) override { | |
374 | return clear_object_snap_mapping(t, soid); | |
375 | } | |
376 | ||
377 | void log_operation( | |
378 | const vector<pg_log_entry_t> &logv, | |
379 | const boost::optional<pg_hit_set_history_t> &hset_history, | |
380 | const eversion_t &trim_to, | |
381 | const eversion_t &roll_forward_to, | |
382 | bool transaction_applied, | |
383 | ObjectStore::Transaction &t) override { | |
384 | if (hset_history) { | |
385 | info.hit_set = *hset_history; | |
386 | } | |
387 | append_log(logv, trim_to, roll_forward_to, t, transaction_applied); | |
388 | } | |
389 | ||
390 | struct C_OSD_OnApplied; | |
391 | void op_applied( | |
392 | const eversion_t &applied_version) override; | |
393 | ||
394 | bool should_send_op( | |
395 | pg_shard_t peer, | |
396 | const hobject_t &hoid) override { | |
397 | if (peer == get_primary()) | |
398 | return true; | |
399 | assert(peer_info.count(peer)); | |
400 | bool should_send = | |
401 | hoid.pool != (int64_t)info.pgid.pool() || | |
402 | hoid <= last_backfill_started || | |
403 | hoid <= peer_info[peer].last_backfill; | |
404 | if (!should_send) | |
405 | assert(is_backfill_targets(peer)); | |
406 | return should_send; | |
407 | } | |
408 | ||
409 | void update_peer_last_complete_ondisk( | |
410 | pg_shard_t fromosd, | |
411 | eversion_t lcod) override { | |
412 | peer_last_complete_ondisk[fromosd] = lcod; | |
413 | } | |
414 | ||
415 | void update_last_complete_ondisk( | |
416 | eversion_t lcod) override { | |
417 | last_complete_ondisk = lcod; | |
418 | } | |
419 | ||
420 | void update_stats( | |
421 | const pg_stat_t &stat) override { | |
422 | info.stats = stat; | |
423 | } | |
424 | ||
425 | void schedule_recovery_work( | |
426 | GenContext<ThreadPool::TPHandle&> *c) override; | |
427 | ||
428 | pg_shard_t whoami_shard() const override { | |
429 | return pg_whoami; | |
430 | } | |
431 | spg_t primary_spg_t() const override { | |
432 | return spg_t(info.pgid.pgid, primary.shard); | |
433 | } | |
434 | pg_shard_t primary_shard() const override { | |
435 | return primary; | |
436 | } | |
437 | uint64_t min_peer_features() const override { | |
438 | return get_min_peer_features(); | |
439 | } | |
440 | ||
441 | void send_message_osd_cluster( | |
442 | int peer, Message *m, epoch_t from_epoch) override; | |
443 | void send_message_osd_cluster( | |
444 | Message *m, Connection *con) override; | |
445 | void send_message_osd_cluster( | |
446 | Message *m, const ConnectionRef& con) override; | |
447 | ConnectionRef get_con_osd_cluster(int peer, epoch_t from_epoch) override; | |
448 | entity_name_t get_cluster_msgr_name() override { | |
449 | return osd->get_cluster_msgr_name(); | |
450 | } | |
451 | ||
452 | PerfCounters *get_logger() override; | |
453 | ||
454 | ceph_tid_t get_tid() override { return osd->get_tid(); } | |
455 | ||
456 | LogClientTemp clog_error() override { return osd->clog->error(); } | |
457 | ||
458 | struct watch_disconnect_t { | |
459 | uint64_t cookie; | |
460 | entity_name_t name; | |
461 | bool send_disconnect; | |
462 | watch_disconnect_t(uint64_t c, entity_name_t n, bool sd) | |
463 | : cookie(c), name(n), send_disconnect(sd) {} | |
464 | }; | |
465 | void complete_disconnect_watches( | |
466 | ObjectContextRef obc, | |
467 | const list<watch_disconnect_t> &to_disconnect); | |
468 | ||
469 | /* | |
470 | * Capture all object state associated with an in-progress read or write. | |
471 | */ | |
472 | struct OpContext { | |
473 | OpRequestRef op; | |
474 | osd_reqid_t reqid; | |
475 | vector<OSDOp> &ops; | |
476 | ||
477 | const ObjectState *obs; // Old objectstate | |
478 | const SnapSet *snapset; // Old snapset | |
479 | ||
480 | ObjectState new_obs; // resulting ObjectState | |
481 | SnapSet new_snapset; // resulting SnapSet (in case of a write) | |
482 | //pg_stat_t new_stats; // resulting Stats | |
483 | object_stat_sum_t delta_stats; | |
484 | ||
485 | bool modify; // (force) modification (even if op_t is empty) | |
486 | bool user_modify; // user-visible modification | |
487 | bool undirty; // user explicitly un-dirtying this object | |
488 | bool cache_evict; ///< true if this is a cache eviction | |
489 | bool ignore_cache; ///< true if IGNORE_CACHE flag is set | |
490 | bool ignore_log_op_stats; // don't log op stats | |
491 | bool update_log_only; ///< this is a write that returned an error - just record in pg log for dup detection | |
492 | ||
493 | // side effects | |
494 | list<pair<watch_info_t,bool> > watch_connects; ///< new watch + will_ping flag | |
495 | list<watch_disconnect_t> watch_disconnects; ///< old watch + send_discon | |
496 | list<notify_info_t> notifies; | |
497 | struct NotifyAck { | |
498 | boost::optional<uint64_t> watch_cookie; | |
499 | uint64_t notify_id; | |
500 | bufferlist reply_bl; | |
501 | explicit NotifyAck(uint64_t notify_id) : notify_id(notify_id) {} | |
502 | NotifyAck(uint64_t notify_id, uint64_t cookie, bufferlist& rbl) | |
503 | : watch_cookie(cookie), notify_id(notify_id) { | |
504 | reply_bl.claim(rbl); | |
505 | } | |
506 | }; | |
507 | list<NotifyAck> notify_acks; | |
508 | ||
509 | uint64_t bytes_written, bytes_read; | |
510 | ||
511 | utime_t mtime; | |
512 | SnapContext snapc; // writer snap context | |
513 | eversion_t at_version; // pg's current version pointer | |
514 | version_t user_at_version; // pg's current user version pointer | |
515 | ||
516 | int current_osd_subop_num; | |
517 | ||
518 | PGTransactionUPtr op_t; | |
519 | vector<pg_log_entry_t> log; | |
520 | boost::optional<pg_hit_set_history_t> updated_hset_history; | |
521 | ||
522 | interval_set<uint64_t> modified_ranges; | |
523 | ObjectContextRef obc; | |
524 | ObjectContextRef clone_obc; // if we created a clone | |
525 | ObjectContextRef snapset_obc; // if we created/deleted a snapdir | |
526 | ||
527 | int data_off; // FIXME: we may want to kill this msgr hint off at some point! | |
528 | ||
529 | MOSDOpReply *reply; | |
530 | ||
531 | PrimaryLogPG *pg; | |
532 | ||
533 | int num_read; ///< count read ops | |
534 | int num_write; ///< count update ops | |
535 | ||
536 | mempool::osd_pglog::vector<pair<osd_reqid_t, version_t> > extra_reqids; | |
537 | ||
538 | CopyFromCallback *copy_cb; | |
539 | ||
540 | hobject_t new_temp_oid, discard_temp_oid; ///< temp objects we should start/stop tracking | |
541 | ||
542 | list<std::function<void()>> on_applied; | |
543 | list<std::function<void()>> on_committed; | |
544 | list<std::function<void()>> on_finish; | |
545 | list<std::function<void()>> on_success; | |
546 | template <typename F> | |
547 | void register_on_finish(F &&f) { | |
548 | on_finish.emplace_back(std::forward<F>(f)); | |
549 | } | |
550 | template <typename F> | |
551 | void register_on_success(F &&f) { | |
552 | on_success.emplace_back(std::forward<F>(f)); | |
553 | } | |
554 | template <typename F> | |
555 | void register_on_applied(F &&f) { | |
556 | on_applied.emplace_back(std::forward<F>(f)); | |
557 | } | |
558 | template <typename F> | |
559 | void register_on_commit(F &&f) { | |
560 | on_committed.emplace_back(std::forward<F>(f)); | |
561 | } | |
562 | ||
563 | bool sent_reply; | |
564 | ||
565 | // pending async reads <off, len, op_flags> -> <outbl, outr> | |
566 | list<pair<boost::tuple<uint64_t, uint64_t, unsigned>, | |
567 | pair<bufferlist*, Context*> > > pending_async_reads; | |
568 | int async_read_result; | |
569 | int inflightreads; | |
570 | friend struct OnReadComplete; | |
571 | void start_async_reads(PrimaryLogPG *pg); | |
572 | void finish_read(PrimaryLogPG *pg); | |
573 | bool async_reads_complete() { | |
574 | return inflightreads == 0; | |
575 | } | |
576 | ||
577 | ObjectContext::RWState::State lock_type; | |
578 | ObcLockManager lock_manager; | |
579 | ||
580 | OpContext(const OpContext& other); | |
581 | const OpContext& operator=(const OpContext& other); | |
582 | ||
583 | OpContext(OpRequestRef _op, osd_reqid_t _reqid, vector<OSDOp>& _ops, | |
584 | ObjectContextRef& obc, | |
585 | PrimaryLogPG *_pg) : | |
586 | op(_op), reqid(_reqid), ops(_ops), | |
587 | obs(&obc->obs), | |
588 | snapset(0), | |
589 | new_obs(obs->oi, obs->exists), | |
590 | modify(false), user_modify(false), undirty(false), cache_evict(false), | |
591 | ignore_cache(false), ignore_log_op_stats(false), update_log_only(false), | |
592 | bytes_written(0), bytes_read(0), user_at_version(0), | |
593 | current_osd_subop_num(0), | |
594 | obc(obc), | |
595 | data_off(0), reply(NULL), pg(_pg), | |
596 | num_read(0), | |
597 | num_write(0), | |
598 | copy_cb(NULL), | |
599 | sent_reply(false), | |
600 | async_read_result(0), | |
601 | inflightreads(0), | |
602 | lock_type(ObjectContext::RWState::RWNONE) { | |
603 | if (obc->ssc) { | |
604 | new_snapset = obc->ssc->snapset; | |
605 | snapset = &obc->ssc->snapset; | |
606 | } | |
607 | } | |
608 | OpContext(OpRequestRef _op, osd_reqid_t _reqid, | |
609 | vector<OSDOp>& _ops, PrimaryLogPG *_pg) : | |
610 | op(_op), reqid(_reqid), ops(_ops), obs(NULL), snapset(0), | |
611 | modify(false), user_modify(false), undirty(false), cache_evict(false), | |
612 | ignore_cache(false), ignore_log_op_stats(false), update_log_only(false), | |
613 | bytes_written(0), bytes_read(0), user_at_version(0), | |
614 | current_osd_subop_num(0), | |
615 | data_off(0), reply(NULL), pg(_pg), | |
616 | num_read(0), | |
617 | num_write(0), | |
618 | copy_cb(NULL), | |
619 | async_read_result(0), | |
620 | inflightreads(0), | |
621 | lock_type(ObjectContext::RWState::RWNONE) {} | |
622 | void reset_obs(ObjectContextRef obc) { | |
623 | new_obs = ObjectState(obc->obs.oi, obc->obs.exists); | |
624 | if (obc->ssc) { | |
625 | new_snapset = obc->ssc->snapset; | |
626 | snapset = &obc->ssc->snapset; | |
627 | } | |
628 | } | |
629 | ~OpContext() { | |
630 | assert(!op_t); | |
631 | if (reply) | |
632 | reply->put(); | |
633 | for (list<pair<boost::tuple<uint64_t, uint64_t, unsigned>, | |
634 | pair<bufferlist*, Context*> > >::iterator i = | |
635 | pending_async_reads.begin(); | |
636 | i != pending_async_reads.end(); | |
637 | pending_async_reads.erase(i++)) { | |
638 | delete i->second.second; | |
639 | } | |
640 | } | |
641 | uint64_t get_features() { | |
642 | if (op && op->get_req()) { | |
643 | return op->get_req()->get_connection()->get_features(); | |
644 | } | |
645 | return -1ull; | |
646 | } | |
647 | }; | |
648 | using OpContextUPtr = std::unique_ptr<OpContext>; | |
649 | friend struct OpContext; | |
650 | ||
651 | /* | |
652 | * State on the PG primary associated with the replicated mutation | |
653 | */ | |
654 | class RepGather { | |
655 | public: | |
656 | hobject_t hoid; | |
657 | OpRequestRef op; | |
658 | xlist<RepGather*>::item queue_item; | |
659 | int nref; | |
660 | ||
661 | eversion_t v; | |
662 | int r = 0; | |
663 | ||
664 | ceph_tid_t rep_tid; | |
665 | ||
666 | bool rep_aborted, rep_done; | |
667 | ||
668 | bool all_applied; | |
669 | bool all_committed; | |
670 | const bool applies_with_commit; | |
671 | ||
672 | utime_t start; | |
673 | ||
674 | eversion_t pg_local_last_complete; | |
675 | ||
676 | ObcLockManager lock_manager; | |
677 | ||
678 | list<std::function<void()>> on_applied; | |
679 | list<std::function<void()>> on_committed; | |
680 | list<std::function<void()>> on_success; | |
681 | list<std::function<void()>> on_finish; | |
682 | ||
683 | RepGather( | |
684 | OpContext *c, ceph_tid_t rt, | |
685 | eversion_t lc, | |
686 | bool applies_with_commit) : | |
687 | hoid(c->obc->obs.oi.soid), | |
688 | op(c->op), | |
689 | queue_item(this), | |
690 | nref(1), | |
691 | rep_tid(rt), | |
692 | rep_aborted(false), rep_done(false), | |
693 | all_applied(false), all_committed(false), | |
694 | applies_with_commit(applies_with_commit), | |
695 | pg_local_last_complete(lc), | |
696 | lock_manager(std::move(c->lock_manager)), | |
697 | on_applied(std::move(c->on_applied)), | |
698 | on_committed(std::move(c->on_committed)), | |
699 | on_success(std::move(c->on_success)), | |
700 | on_finish(std::move(c->on_finish)) {} | |
701 | ||
702 | RepGather( | |
703 | ObcLockManager &&manager, | |
704 | OpRequestRef &&o, | |
705 | boost::optional<std::function<void(void)> > &&on_complete, | |
706 | ceph_tid_t rt, | |
707 | eversion_t lc, | |
708 | bool applies_with_commit, | |
709 | int r) : | |
710 | op(o), | |
711 | queue_item(this), | |
712 | nref(1), | |
713 | r(r), | |
714 | rep_tid(rt), | |
715 | rep_aborted(false), rep_done(false), | |
716 | all_applied(false), all_committed(false), | |
717 | applies_with_commit(applies_with_commit), | |
718 | pg_local_last_complete(lc), | |
719 | lock_manager(std::move(manager)) { | |
720 | if (on_complete) { | |
721 | on_success.push_back(std::move(*on_complete)); | |
722 | } | |
723 | } | |
724 | ||
725 | RepGather *get() { | |
726 | nref++; | |
727 | return this; | |
728 | } | |
729 | void put() { | |
730 | assert(nref > 0); | |
731 | if (--nref == 0) { | |
732 | assert(on_applied.empty()); | |
733 | delete this; | |
734 | //generic_dout(0) << "deleting " << this << dendl; | |
735 | } | |
736 | } | |
737 | }; | |
738 | ||
739 | ||
740 | protected: | |
741 | ||
742 | /** | |
743 | * Grabs locks for OpContext, should be cleaned up in close_op_ctx | |
744 | * | |
745 | * @param ctx [in,out] ctx to get locks for | |
746 | * @return true on success, false if we are queued | |
747 | */ | |
748 | bool get_rw_locks(bool write_ordered, OpContext *ctx) { | |
749 | /* If snapset_obc, !obc->obs->exists and we will always take the | |
750 | * snapdir lock *before* the head lock. Since all callers will do | |
751 | * this (read or write) if we get the first we will be guaranteed | |
752 | * to get the second. | |
753 | */ | |
754 | if (write_ordered && ctx->op->may_read()) { | |
755 | ctx->lock_type = ObjectContext::RWState::RWEXCL; | |
756 | } else if (write_ordered) { | |
757 | ctx->lock_type = ObjectContext::RWState::RWWRITE; | |
758 | } else { | |
759 | assert(ctx->op->may_read()); | |
760 | ctx->lock_type = ObjectContext::RWState::RWREAD; | |
761 | } | |
762 | ||
763 | if (ctx->snapset_obc) { | |
764 | assert(!ctx->obc->obs.exists); | |
765 | if (!ctx->lock_manager.get_lock_type( | |
766 | ctx->lock_type, | |
767 | ctx->snapset_obc->obs.oi.soid, | |
768 | ctx->snapset_obc, | |
769 | ctx->op)) { | |
770 | ctx->lock_type = ObjectContext::RWState::RWNONE; | |
771 | return false; | |
772 | } | |
773 | } | |
774 | if (ctx->lock_manager.get_lock_type( | |
775 | ctx->lock_type, | |
776 | ctx->obc->obs.oi.soid, | |
777 | ctx->obc, | |
778 | ctx->op)) { | |
779 | return true; | |
780 | } else { | |
781 | assert(!ctx->snapset_obc); | |
782 | ctx->lock_type = ObjectContext::RWState::RWNONE; | |
783 | return false; | |
784 | } | |
785 | } | |
786 | ||
787 | /** | |
788 | * Cleans up OpContext | |
789 | * | |
790 | * @param ctx [in] ctx to clean up | |
791 | */ | |
792 | void close_op_ctx(OpContext *ctx) { | |
793 | release_object_locks(ctx->lock_manager); | |
794 | ctx->op_t.reset(); | |
795 | for (auto p = ctx->on_finish.begin(); | |
796 | p != ctx->on_finish.end(); | |
797 | ctx->on_finish.erase(p++)) { | |
798 | (*p)(); | |
799 | } | |
800 | delete ctx; | |
801 | } | |
802 | ||
803 | /** | |
804 | * Releases locks | |
805 | * | |
806 | * @param manager [in] manager with locks to release | |
807 | */ | |
808 | void release_object_locks( | |
809 | ObcLockManager &lock_manager) { | |
810 | list<pair<hobject_t, list<OpRequestRef> > > to_req; | |
811 | bool requeue_recovery = false; | |
812 | bool requeue_snaptrim = false; | |
813 | lock_manager.put_locks( | |
814 | &to_req, | |
815 | &requeue_recovery, | |
816 | &requeue_snaptrim); | |
817 | if (requeue_recovery) | |
818 | queue_recovery(); | |
819 | if (requeue_snaptrim) | |
820 | snap_trimmer_machine.process_event(TrimWriteUnblocked()); | |
821 | ||
822 | if (!to_req.empty()) { | |
823 | // requeue at front of scrub blocking queue if we are blocked by scrub | |
824 | for (auto &&p: to_req) { | |
825 | if (scrubber.write_blocked_by_scrub(p.first.get_head())) { | |
826 | waiting_for_scrub.splice( | |
827 | waiting_for_scrub.begin(), | |
828 | p.second, | |
829 | p.second.begin(), | |
830 | p.second.end()); | |
831 | } else { | |
832 | requeue_ops(p.second); | |
833 | } | |
834 | } | |
835 | } | |
836 | } | |
837 | ||
838 | // replica ops | |
839 | // [primary|tail] | |
840 | xlist<RepGather*> repop_queue; | |
841 | ||
842 | friend class C_OSD_RepopApplied; | |
843 | friend class C_OSD_RepopCommit; | |
844 | void repop_all_applied(RepGather *repop); | |
845 | void repop_all_committed(RepGather *repop); | |
846 | void eval_repop(RepGather*); | |
847 | void issue_repop(RepGather *repop, OpContext *ctx); | |
848 | RepGather *new_repop( | |
849 | OpContext *ctx, | |
850 | ObjectContextRef obc, | |
851 | ceph_tid_t rep_tid); | |
852 | boost::intrusive_ptr<RepGather> new_repop( | |
853 | eversion_t version, | |
854 | int r, | |
855 | ObcLockManager &&manager, | |
856 | OpRequestRef &&op, | |
857 | boost::optional<std::function<void(void)> > &&on_complete); | |
858 | void remove_repop(RepGather *repop); | |
859 | ||
860 | OpContextUPtr simple_opc_create(ObjectContextRef obc); | |
861 | void simple_opc_submit(OpContextUPtr ctx); | |
862 | ||
863 | /** | |
864 | * Merge entries atomically into all actingbackfill osds | |
865 | * adjusting missing and recovery state as necessary. | |
866 | * | |
867 | * Also used to store error log entries for dup detection. | |
868 | */ | |
869 | void submit_log_entries( | |
870 | const mempool::osd_pglog::list<pg_log_entry_t> &entries, | |
871 | ObcLockManager &&manager, | |
872 | boost::optional<std::function<void(void)> > &&on_complete, | |
873 | OpRequestRef op = OpRequestRef(), | |
874 | int r = 0); | |
875 | struct LogUpdateCtx { | |
876 | boost::intrusive_ptr<RepGather> repop; | |
877 | set<pg_shard_t> waiting_on; | |
878 | }; | |
879 | void cancel_log_updates(); | |
880 | map<ceph_tid_t, LogUpdateCtx> log_entry_update_waiting_on; | |
881 | ||
882 | ||
883 | // hot/cold tracking | |
884 | HitSetRef hit_set; ///< currently accumulating HitSet | |
885 | utime_t hit_set_start_stamp; ///< time the current HitSet started recording | |
886 | ||
887 | ||
888 | void hit_set_clear(); ///< discard any HitSet state | |
889 | void hit_set_setup(); ///< initialize HitSet state | |
890 | void hit_set_create(); ///< create a new HitSet | |
891 | void hit_set_persist(); ///< persist hit info | |
892 | bool hit_set_apply_log(); ///< apply log entries to update in-memory HitSet | |
893 | void hit_set_trim(OpContextUPtr &ctx, unsigned max); ///< discard old HitSets | |
894 | void hit_set_in_memory_trim(uint32_t max_in_memory); ///< discard old in memory HitSets | |
895 | void hit_set_remove_all(); | |
896 | ||
897 | hobject_t get_hit_set_current_object(utime_t stamp); | |
898 | hobject_t get_hit_set_archive_object(utime_t start, | |
899 | utime_t end, | |
900 | bool using_gmt); | |
901 | ||
902 | // agent | |
903 | boost::scoped_ptr<TierAgentState> agent_state; | |
904 | ||
905 | void agent_setup(); ///< initialize agent state | |
906 | bool agent_work(int max) override ///< entry point to do some agent work | |
907 | { | |
908 | return agent_work(max, max); | |
909 | } | |
910 | bool agent_work(int max, int agent_flush_quota) override; | |
911 | bool agent_maybe_flush(ObjectContextRef& obc); ///< maybe flush | |
912 | bool agent_maybe_evict(ObjectContextRef& obc, bool after_flush); ///< maybe evict | |
913 | ||
914 | void agent_load_hit_sets(); ///< load HitSets, if needed | |
915 | ||
916 | /// estimate object atime and temperature | |
917 | /// | |
918 | /// @param oid [in] object name | |
919 | /// @param temperature [out] relative temperature (# consider both access time and frequency) | |
920 | void agent_estimate_temp(const hobject_t& oid, int *temperature); | |
921 | ||
922 | /// stop the agent | |
923 | void agent_stop() override; | |
924 | void agent_delay() override; | |
925 | ||
926 | /// clear agent state | |
927 | void agent_clear() override; | |
928 | ||
929 | /// choose (new) agent mode(s), returns true if op is requeued | |
930 | bool agent_choose_mode(bool restart = false, OpRequestRef op = OpRequestRef()); | |
931 | void agent_choose_mode_restart() override; | |
932 | ||
933 | /// true if we can send an ondisk/commit for v | |
934 | bool already_complete(eversion_t v); | |
935 | /// true if we can send an ack for v | |
936 | bool already_ack(eversion_t v); | |
937 | ||
938 | // projected object info | |
939 | SharedLRU<hobject_t, ObjectContext> object_contexts; | |
940 | // map from oid.snapdir() to SnapSetContext * | |
941 | map<hobject_t, SnapSetContext*> snapset_contexts; | |
942 | Mutex snapset_contexts_lock; | |
943 | ||
944 | // debug order that client ops are applied | |
945 | map<hobject_t, map<client_t, ceph_tid_t>> debug_op_order; | |
946 | ||
947 | void populate_obc_watchers(ObjectContextRef obc); | |
948 | void check_blacklisted_obc_watchers(ObjectContextRef obc); | |
949 | void check_blacklisted_watchers() override; | |
950 | void get_watchers(list<obj_watch_item_t> &pg_watchers) override; | |
951 | void get_obc_watchers(ObjectContextRef obc, list<obj_watch_item_t> &pg_watchers); | |
952 | public: | |
953 | void handle_watch_timeout(WatchRef watch); | |
954 | protected: | |
955 | ||
956 | ObjectContextRef create_object_context(const object_info_t& oi, SnapSetContext *ssc); | |
957 | ObjectContextRef get_object_context( | |
958 | const hobject_t& soid, | |
959 | bool can_create, | |
960 | const map<string, bufferlist> *attrs = 0 | |
961 | ); | |
962 | ||
963 | void context_registry_on_change(); | |
964 | void object_context_destructor_callback(ObjectContext *obc); | |
965 | class C_PG_ObjectContext; | |
966 | ||
967 | int find_object_context(const hobject_t& oid, | |
968 | ObjectContextRef *pobc, | |
969 | bool can_create, | |
970 | bool map_snapid_to_clone=false, | |
971 | hobject_t *missing_oid=NULL); | |
972 | ||
973 | void add_object_context_to_pg_stat(ObjectContextRef obc, pg_stat_t *stat); | |
974 | ||
975 | void get_src_oloc(const object_t& oid, const object_locator_t& oloc, object_locator_t& src_oloc); | |
976 | ||
977 | SnapSetContext *get_snapset_context( | |
978 | const hobject_t& oid, | |
979 | bool can_create, | |
980 | const map<string, bufferlist> *attrs = 0, | |
981 | bool oid_existed = true //indicate this oid whether exsited in backend | |
982 | ); | |
983 | void register_snapset_context(SnapSetContext *ssc) { | |
984 | Mutex::Locker l(snapset_contexts_lock); | |
985 | _register_snapset_context(ssc); | |
986 | } | |
987 | void _register_snapset_context(SnapSetContext *ssc) { | |
988 | assert(snapset_contexts_lock.is_locked()); | |
989 | if (!ssc->registered) { | |
990 | assert(snapset_contexts.count(ssc->oid) == 0); | |
991 | ssc->registered = true; | |
992 | snapset_contexts[ssc->oid] = ssc; | |
993 | } | |
994 | } | |
995 | void put_snapset_context(SnapSetContext *ssc); | |
996 | ||
997 | map<hobject_t, ObjectContextRef> recovering; | |
998 | ||
999 | /* | |
1000 | * Backfill | |
1001 | * | |
1002 | * peer_info[backfill_target].last_backfill == info.last_backfill on the peer. | |
1003 | * | |
1004 | * objects prior to peer_info[backfill_target].last_backfill | |
1005 | * - are on the peer | |
1006 | * - are included in the peer stats | |
1007 | * | |
1008 | * objects \in (last_backfill, last_backfill_started] | |
1009 | * - are on the peer or are in backfills_in_flight | |
1010 | * - are not included in pg stats (yet) | |
1011 | * - have their stats in pending_backfill_updates on the primary | |
1012 | */ | |
1013 | set<hobject_t> backfills_in_flight; | |
1014 | map<hobject_t, pg_stat_t> pending_backfill_updates; | |
1015 | ||
1016 | void dump_recovery_info(Formatter *f) const override { | |
1017 | f->open_array_section("backfill_targets"); | |
1018 | for (set<pg_shard_t>::const_iterator p = backfill_targets.begin(); | |
1019 | p != backfill_targets.end(); ++p) | |
1020 | f->dump_stream("replica") << *p; | |
1021 | f->close_section(); | |
1022 | f->open_array_section("waiting_on_backfill"); | |
1023 | for (set<pg_shard_t>::const_iterator p = waiting_on_backfill.begin(); | |
1024 | p != waiting_on_backfill.end(); ++p) | |
1025 | f->dump_stream("osd") << *p; | |
1026 | f->close_section(); | |
1027 | f->dump_stream("last_backfill_started") << last_backfill_started; | |
1028 | { | |
1029 | f->open_object_section("backfill_info"); | |
1030 | backfill_info.dump(f); | |
1031 | f->close_section(); | |
1032 | } | |
1033 | { | |
1034 | f->open_array_section("peer_backfill_info"); | |
1035 | for (map<pg_shard_t, BackfillInterval>::const_iterator pbi = | |
1036 | peer_backfill_info.begin(); | |
1037 | pbi != peer_backfill_info.end(); ++pbi) { | |
1038 | f->dump_stream("osd") << pbi->first; | |
1039 | f->open_object_section("BackfillInterval"); | |
1040 | pbi->second.dump(f); | |
1041 | f->close_section(); | |
1042 | } | |
1043 | f->close_section(); | |
1044 | } | |
1045 | { | |
1046 | f->open_array_section("backfills_in_flight"); | |
1047 | for (set<hobject_t>::const_iterator i = backfills_in_flight.begin(); | |
1048 | i != backfills_in_flight.end(); | |
1049 | ++i) { | |
1050 | f->dump_stream("object") << *i; | |
1051 | } | |
1052 | f->close_section(); | |
1053 | } | |
1054 | { | |
1055 | f->open_array_section("recovering"); | |
1056 | for (map<hobject_t, ObjectContextRef>::const_iterator i = recovering.begin(); | |
1057 | i != recovering.end(); | |
1058 | ++i) { | |
1059 | f->dump_stream("object") << i->first; | |
1060 | } | |
1061 | f->close_section(); | |
1062 | } | |
1063 | { | |
1064 | f->open_object_section("pg_backend"); | |
1065 | pgbackend->dump_recovery_info(f); | |
1066 | f->close_section(); | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | /// last backfill operation started | |
1071 | hobject_t last_backfill_started; | |
1072 | bool new_backfill; | |
1073 | ||
1074 | int prep_object_replica_pushes(const hobject_t& soid, eversion_t v, | |
1075 | PGBackend::RecoveryHandle *h); | |
1076 | ||
1077 | void finish_degraded_object(const hobject_t& oid); | |
1078 | ||
1079 | // Cancels/resets pulls from peer | |
1080 | void check_recovery_sources(const OSDMapRef& map) override ; | |
1081 | ||
1082 | int recover_missing( | |
1083 | const hobject_t& oid, | |
1084 | eversion_t v, | |
1085 | int priority, | |
1086 | PGBackend::RecoveryHandle *h); | |
1087 | ||
1088 | // low level ops | |
1089 | ||
1090 | void _make_clone( | |
1091 | OpContext *ctx, | |
1092 | PGTransaction* t, | |
1093 | ObjectContextRef obc, | |
1094 | const hobject_t& head, const hobject_t& coid, | |
1095 | object_info_t *poi); | |
1096 | void execute_ctx(OpContext *ctx); | |
1097 | void finish_ctx(OpContext *ctx, int log_op_type, bool maintain_ssc=true); | |
1098 | void reply_ctx(OpContext *ctx, int err); | |
1099 | void reply_ctx(OpContext *ctx, int err, eversion_t v, version_t uv); | |
1100 | void make_writeable(OpContext *ctx); | |
1101 | void log_op_stats(OpContext *ctx); | |
1102 | ||
1103 | void write_update_size_and_usage(object_stat_sum_t& stats, object_info_t& oi, | |
1104 | interval_set<uint64_t>& modified, uint64_t offset, | |
1105 | uint64_t length, bool write_full=false); | |
1106 | void add_interval_usage(interval_set<uint64_t>& s, object_stat_sum_t& st); | |
1107 | ||
1108 | ||
1109 | enum class cache_result_t { | |
1110 | NOOP, | |
1111 | BLOCKED_FULL, | |
1112 | BLOCKED_PROMOTE, | |
1113 | HANDLED_PROXY, | |
1114 | HANDLED_REDIRECT, | |
1115 | }; | |
1116 | cache_result_t maybe_handle_cache_detail(OpRequestRef op, | |
1117 | bool write_ordered, | |
1118 | ObjectContextRef obc, int r, | |
1119 | hobject_t missing_oid, | |
1120 | bool must_promote, | |
1121 | bool in_hit_set, | |
1122 | ObjectContextRef *promote_obc); | |
1123 | cache_result_t maybe_handle_manifest_detail(OpRequestRef op, | |
1124 | bool write_ordered, | |
1125 | ObjectContextRef obc); | |
1126 | bool maybe_handle_manifest(OpRequestRef op, | |
1127 | bool write_ordered, | |
1128 | ObjectContextRef obc) { | |
1129 | return cache_result_t::NOOP != maybe_handle_manifest_detail( | |
1130 | op, | |
1131 | write_ordered, | |
1132 | obc); | |
1133 | } | |
1134 | ||
1135 | /** | |
1136 | * This helper function is called from do_op if the ObjectContext lookup fails. | |
1137 | * @returns true if the caching code is handling the Op, false otherwise. | |
1138 | */ | |
1139 | bool maybe_handle_cache(OpRequestRef op, | |
1140 | bool write_ordered, | |
1141 | ObjectContextRef obc, int r, | |
1142 | const hobject_t& missing_oid, | |
1143 | bool must_promote, | |
1144 | bool in_hit_set = false) { | |
1145 | return cache_result_t::NOOP != maybe_handle_cache_detail( | |
1146 | op, | |
1147 | write_ordered, | |
1148 | obc, | |
1149 | r, | |
1150 | missing_oid, | |
1151 | must_promote, | |
1152 | in_hit_set, | |
1153 | nullptr); | |
1154 | } | |
1155 | ||
1156 | /** | |
1157 | * This helper function checks if a promotion is needed. | |
1158 | */ | |
1159 | bool maybe_promote(ObjectContextRef obc, | |
1160 | const hobject_t& missing_oid, | |
1161 | const object_locator_t& oloc, | |
1162 | bool in_hit_set, | |
1163 | uint32_t recency, | |
1164 | OpRequestRef promote_op, | |
1165 | ObjectContextRef *promote_obc = nullptr); | |
1166 | /** | |
1167 | * This helper function tells the client to redirect their request elsewhere. | |
1168 | */ | |
1169 | void do_cache_redirect(OpRequestRef op); | |
1170 | /** | |
1171 | * This function attempts to start a promote. Either it succeeds, | |
1172 | * or places op on a wait list. If op is null, failure means that | |
1173 | * this is a noop. If a future user wants to be able to distinguish | |
1174 | * these cases, a return value should be added. | |
1175 | */ | |
1176 | void promote_object( | |
1177 | ObjectContextRef obc, ///< [optional] obc | |
1178 | const hobject_t& missing_object, ///< oid (if !obc) | |
1179 | const object_locator_t& oloc, ///< locator for obc|oid | |
1180 | OpRequestRef op, ///< [optional] client op | |
1181 | ObjectContextRef *promote_obc = nullptr ///< [optional] new obc for object | |
1182 | ); | |
1183 | ||
1184 | int prepare_transaction(OpContext *ctx); | |
1185 | list<pair<OpRequestRef, OpContext*> > in_progress_async_reads; | |
1186 | void complete_read_ctx(int result, OpContext *ctx); | |
1187 | ||
1188 | // pg on-disk content | |
1189 | void check_local() override; | |
1190 | ||
1191 | void _clear_recovery_state() override; | |
1192 | ||
1193 | bool start_recovery_ops( | |
1194 | uint64_t max, | |
1195 | ThreadPool::TPHandle &handle, uint64_t *started) override; | |
1196 | ||
1197 | uint64_t recover_primary(uint64_t max, ThreadPool::TPHandle &handle); | |
1198 | uint64_t recover_replicas(uint64_t max, ThreadPool::TPHandle &handle); | |
1199 | hobject_t earliest_peer_backfill() const; | |
1200 | bool all_peer_done() const; | |
1201 | /** | |
1202 | * @param work_started will be set to true if recover_backfill got anywhere | |
1203 | * @returns the number of operations started | |
1204 | */ | |
1205 | uint64_t recover_backfill(uint64_t max, ThreadPool::TPHandle &handle, | |
1206 | bool *work_started); | |
1207 | ||
1208 | /** | |
1209 | * scan a (hash) range of objects in the current pg | |
1210 | * | |
1211 | * @begin first item should be >= this value | |
1212 | * @min return at least this many items, unless we are done | |
1213 | * @max return no more than this many items | |
1214 | * @bi [out] resulting map of objects to eversion_t's | |
1215 | */ | |
1216 | void scan_range( | |
1217 | int min, int max, BackfillInterval *bi, | |
1218 | ThreadPool::TPHandle &handle | |
1219 | ); | |
1220 | ||
1221 | /// Update a hash range to reflect changes since the last scan | |
1222 | void update_range( | |
1223 | BackfillInterval *bi, ///< [in,out] interval to update | |
1224 | ThreadPool::TPHandle &handle ///< [in] tp handle | |
1225 | ); | |
1226 | ||
1227 | int prep_backfill_object_push( | |
1228 | hobject_t oid, eversion_t v, ObjectContextRef obc, | |
1229 | vector<pg_shard_t> peers, | |
1230 | PGBackend::RecoveryHandle *h); | |
1231 | void send_remove_op(const hobject_t& oid, eversion_t v, pg_shard_t peer); | |
1232 | ||
1233 | ||
1234 | class C_OSD_OndiskWriteUnlock; | |
1235 | class C_OSD_AppliedRecoveredObject; | |
1236 | class C_OSD_CommittedPushedObject; | |
1237 | class C_OSD_AppliedRecoveredObjectReplica; | |
1238 | void sub_op_remove(OpRequestRef op); | |
1239 | ||
1240 | void _applied_recovered_object(ObjectContextRef obc); | |
1241 | void _applied_recovered_object_replica(); | |
1242 | void _committed_pushed_object(epoch_t epoch, eversion_t lc); | |
1243 | void recover_got(hobject_t oid, eversion_t v); | |
1244 | ||
1245 | // -- copyfrom -- | |
1246 | map<hobject_t, CopyOpRef> copy_ops; | |
1247 | ||
1248 | int fill_in_copy_get( | |
1249 | OpContext *ctx, | |
1250 | bufferlist::iterator& bp, | |
1251 | OSDOp& op, | |
1252 | ObjectContextRef& obc); | |
1253 | void fill_in_copy_get_noent(OpRequestRef& op, hobject_t oid, | |
1254 | OSDOp& osd_op); | |
1255 | ||
1256 | /** | |
1257 | * To copy an object, call start_copy. | |
1258 | * | |
1259 | * @param cb: The CopyCallback to be activated when the copy is complete | |
1260 | * @param obc: The ObjectContext we are copying into | |
1261 | * @param src: The source object | |
1262 | * @param oloc: the source object locator | |
1263 | * @param version: the version of the source object to copy (0 for any) | |
1264 | */ | |
1265 | void start_copy(CopyCallback *cb, ObjectContextRef obc, hobject_t src, | |
1266 | object_locator_t oloc, version_t version, unsigned flags, | |
1267 | bool mirror_snapset, unsigned src_obj_fadvise_flags, | |
1268 | unsigned dest_obj_fadvise_flags); | |
1269 | void process_copy_chunk(hobject_t oid, ceph_tid_t tid, int r); | |
1270 | void _write_copy_chunk(CopyOpRef cop, PGTransaction *t); | |
1271 | uint64_t get_copy_chunk_size() const { | |
1272 | uint64_t size = cct->_conf->osd_copyfrom_max_chunk; | |
1273 | if (pool.info.requires_aligned_append()) { | |
1274 | uint64_t alignment = pool.info.required_alignment(); | |
1275 | if (size % alignment) { | |
1276 | size += alignment - (size % alignment); | |
1277 | } | |
1278 | } | |
1279 | return size; | |
1280 | } | |
1281 | void _copy_some(ObjectContextRef obc, CopyOpRef cop); | |
1282 | void finish_copyfrom(OpContext *ctx); | |
1283 | void finish_promote(int r, CopyResults *results, ObjectContextRef obc); | |
1284 | void cancel_copy(CopyOpRef cop, bool requeue); | |
1285 | void cancel_copy_ops(bool requeue); | |
1286 | ||
1287 | friend struct C_Copyfrom; | |
1288 | ||
1289 | // -- flush -- | |
1290 | map<hobject_t, FlushOpRef> flush_ops; | |
1291 | ||
1292 | /// start_flush takes ownership of on_flush iff ret == -EINPROGRESS | |
1293 | int start_flush( | |
1294 | OpRequestRef op, ObjectContextRef obc, | |
1295 | bool blocking, hobject_t *pmissing, | |
1296 | boost::optional<std::function<void()>> &&on_flush); | |
1297 | void finish_flush(hobject_t oid, ceph_tid_t tid, int r); | |
1298 | int try_flush_mark_clean(FlushOpRef fop); | |
1299 | void cancel_flush(FlushOpRef fop, bool requeue); | |
1300 | void cancel_flush_ops(bool requeue); | |
1301 | ||
1302 | /// @return false if clone is has been evicted | |
1303 | bool is_present_clone(hobject_t coid); | |
1304 | ||
1305 | friend struct C_Flush; | |
1306 | ||
1307 | // -- scrub -- | |
1308 | bool _range_available_for_scrub( | |
1309 | const hobject_t &begin, const hobject_t &end) override; | |
1310 | void scrub_snapshot_metadata( | |
1311 | ScrubMap &map, | |
1312 | const std::map<hobject_t, pair<uint32_t, uint32_t>> &missing_digest) override; | |
1313 | void _scrub_clear_state() override; | |
1314 | void _scrub_finish() override; | |
1315 | object_stat_collection_t scrub_cstat; | |
1316 | ||
1317 | void _split_into(pg_t child_pgid, PG *child, | |
1318 | unsigned split_bits) override; | |
1319 | void apply_and_flush_repops(bool requeue); | |
1320 | ||
1321 | void calc_trim_to() override; | |
1322 | int do_xattr_cmp_u64(int op, __u64 v1, bufferlist& xattr); | |
1323 | int do_xattr_cmp_str(int op, string& v1s, bufferlist& xattr); | |
1324 | ||
1325 | // -- checksum -- | |
1326 | int do_checksum(OpContext *ctx, OSDOp& osd_op, bufferlist::iterator *bl_it, | |
1327 | bool *async_read); | |
1328 | int finish_checksum(OSDOp& osd_op, Checksummer::CSumType csum_type, | |
1329 | bufferlist::iterator *init_value_bl_it, | |
1330 | const bufferlist &read_bl); | |
1331 | ||
1332 | friend class C_ChecksumRead; | |
1333 | ||
1334 | int do_extent_cmp(OpContext *ctx, OSDOp& osd_op); | |
1335 | int do_writesame(OpContext *ctx, OSDOp& osd_op); | |
1336 | ||
1337 | bool pgls_filter(PGLSFilter *filter, hobject_t& sobj, bufferlist& outdata); | |
1338 | int get_pgls_filter(bufferlist::iterator& iter, PGLSFilter **pfilter); | |
1339 | ||
1340 | map<hobject_t, list<OpRequestRef>> in_progress_proxy_ops; | |
1341 | void kick_proxy_ops_blocked(hobject_t& soid); | |
1342 | void cancel_proxy_ops(bool requeue); | |
1343 | ||
1344 | // -- proxyread -- | |
1345 | map<ceph_tid_t, ProxyReadOpRef> proxyread_ops; | |
1346 | ||
1347 | void do_proxy_read(OpRequestRef op, ObjectContextRef obc = NULL); | |
1348 | void finish_proxy_read(hobject_t oid, ceph_tid_t tid, int r); | |
1349 | void cancel_proxy_read(ProxyReadOpRef prdop); | |
1350 | ||
1351 | friend struct C_ProxyRead; | |
1352 | ||
1353 | // -- proxywrite -- | |
1354 | map<ceph_tid_t, ProxyWriteOpRef> proxywrite_ops; | |
1355 | ||
1356 | void do_proxy_write(OpRequestRef op, const hobject_t& missing_oid, ObjectContextRef obc = NULL); | |
1357 | void finish_proxy_write(hobject_t oid, ceph_tid_t tid, int r); | |
1358 | void cancel_proxy_write(ProxyWriteOpRef pwop); | |
1359 | ||
1360 | friend struct C_ProxyWrite_Commit; | |
1361 | ||
1362 | public: | |
1363 | PrimaryLogPG(OSDService *o, OSDMapRef curmap, | |
1364 | const PGPool &_pool, spg_t p); | |
1365 | ~PrimaryLogPG() override {} | |
1366 | ||
1367 | int do_command( | |
1368 | cmdmap_t cmdmap, | |
1369 | ostream& ss, | |
1370 | bufferlist& idata, | |
1371 | bufferlist& odata, | |
1372 | ConnectionRef conn, | |
1373 | ceph_tid_t tid) override; | |
1374 | ||
1375 | void do_request( | |
1376 | OpRequestRef& op, | |
1377 | ThreadPool::TPHandle &handle) override; | |
1378 | void do_op(OpRequestRef& op) override; | |
1379 | void record_write_error(OpRequestRef op, const hobject_t &soid, | |
1380 | MOSDOpReply *orig_reply, int r); | |
1381 | void do_pg_op(OpRequestRef op); | |
1382 | void do_sub_op(OpRequestRef op) override; | |
1383 | void do_sub_op_reply(OpRequestRef op) override; | |
1384 | void do_scan( | |
1385 | OpRequestRef op, | |
1386 | ThreadPool::TPHandle &handle) override; | |
1387 | void do_backfill(OpRequestRef op) override; | |
1388 | void do_backfill_remove(OpRequestRef op); | |
1389 | ||
1390 | void handle_backoff(OpRequestRef& op); | |
1391 | ||
1392 | int trim_object(bool first, const hobject_t &coid, OpContextUPtr *ctxp); | |
1393 | void snap_trimmer(epoch_t e) override; | |
1394 | void kick_snap_trim() override; | |
1395 | void snap_trimmer_scrub_complete() override; | |
1396 | int do_osd_ops(OpContext *ctx, vector<OSDOp>& ops); | |
1397 | ||
1398 | int _get_tmap(OpContext *ctx, bufferlist *header, bufferlist *vals); | |
1399 | int do_tmap2omap(OpContext *ctx, unsigned flags); | |
1400 | int do_tmapup(OpContext *ctx, bufferlist::iterator& bp, OSDOp& osd_op); | |
1401 | int do_tmapup_slow(OpContext *ctx, bufferlist::iterator& bp, OSDOp& osd_op, bufferlist& bl); | |
1402 | ||
1403 | void do_osd_op_effects(OpContext *ctx, const ConnectionRef& conn); | |
1404 | private: | |
1405 | int do_scrub_ls(MOSDOp *op, OSDOp *osd_op); | |
1406 | hobject_t earliest_backfill() const; | |
1407 | bool check_src_targ(const hobject_t& soid, const hobject_t& toid) const; | |
1408 | ||
1409 | uint64_t temp_seq; ///< last id for naming temp objects | |
1410 | /// generate a new temp object name | |
1411 | hobject_t generate_temp_object(const hobject_t& target); | |
1412 | /// generate a new temp object name (for recovery) | |
1413 | hobject_t get_temp_recovery_object(const hobject_t& target, | |
1414 | eversion_t version) override; | |
1415 | int get_recovery_op_priority() const { | |
1416 | int pri = 0; | |
1417 | pool.info.opts.get(pool_opts_t::RECOVERY_OP_PRIORITY, &pri); | |
1418 | return pri > 0 ? pri : cct->_conf->osd_recovery_op_priority; | |
1419 | } | |
1420 | void log_missing(unsigned missing, | |
1421 | const boost::optional<hobject_t> &head, | |
1422 | LogChannelRef clog, | |
1423 | const spg_t &pgid, | |
1424 | const char *func, | |
1425 | const char *mode, | |
1426 | bool allow_incomplete_clones); | |
1427 | unsigned process_clones_to(const boost::optional<hobject_t> &head, | |
1428 | const boost::optional<SnapSet> &snapset, | |
1429 | LogChannelRef clog, | |
1430 | const spg_t &pgid, | |
1431 | const char *mode, | |
1432 | bool allow_incomplete_clones, | |
1433 | boost::optional<snapid_t> target, | |
1434 | vector<snapid_t>::reverse_iterator *curclone, | |
1435 | inconsistent_snapset_wrapper &snap_error); | |
1436 | ||
1437 | public: | |
1438 | coll_t get_coll() { | |
1439 | return coll; | |
1440 | } | |
1441 | void split_colls( | |
1442 | spg_t child, | |
1443 | int split_bits, | |
1444 | int seed, | |
1445 | const pg_pool_t *pool, | |
1446 | ObjectStore::Transaction *t) override { | |
1447 | coll_t target = coll_t(child); | |
1448 | PG::_create(*t, child, split_bits); | |
1449 | t->split_collection( | |
1450 | coll, | |
1451 | split_bits, | |
1452 | seed, | |
1453 | target); | |
1454 | PG::_init(*t, child, pool); | |
1455 | } | |
1456 | private: | |
1457 | ||
1458 | struct DoSnapWork : boost::statechart::event< DoSnapWork > { | |
1459 | DoSnapWork() : boost::statechart::event < DoSnapWork >() {} | |
1460 | }; | |
1461 | struct KickTrim : boost::statechart::event< KickTrim > { | |
1462 | KickTrim() : boost::statechart::event < KickTrim >() {} | |
1463 | }; | |
1464 | struct RepopsComplete : boost::statechart::event< RepopsComplete > { | |
1465 | RepopsComplete() : boost::statechart::event < RepopsComplete >() {} | |
1466 | }; | |
1467 | struct ScrubComplete : boost::statechart::event< ScrubComplete > { | |
1468 | ScrubComplete() : boost::statechart::event < ScrubComplete >() {} | |
1469 | }; | |
1470 | struct TrimWriteUnblocked : boost::statechart::event< TrimWriteUnblocked > { | |
1471 | TrimWriteUnblocked() : boost::statechart::event < TrimWriteUnblocked >() {} | |
1472 | }; | |
1473 | struct Reset : boost::statechart::event< Reset > { | |
1474 | Reset() : boost::statechart::event< Reset >() {} | |
1475 | }; | |
1476 | struct SnapTrimReserved : boost::statechart::event< SnapTrimReserved > { | |
1477 | SnapTrimReserved() : boost::statechart::event< SnapTrimReserved >() {} | |
1478 | }; | |
1479 | struct SnapTrimTimerReady : boost::statechart::event< SnapTrimTimerReady > { | |
1480 | SnapTrimTimerReady() : boost::statechart::event< SnapTrimTimerReady >() {} | |
1481 | }; | |
1482 | ||
1483 | struct NotTrimming; | |
1484 | struct SnapTrimmer : public boost::statechart::state_machine< SnapTrimmer, NotTrimming > { | |
1485 | PrimaryLogPG *pg; | |
1486 | explicit SnapTrimmer(PrimaryLogPG *pg) : pg(pg) {} | |
1487 | void log_enter(const char *state_name); | |
1488 | void log_exit(const char *state_name, utime_t duration); | |
1489 | bool can_trim() { | |
1490 | return pg->is_clean() && !pg->scrubber.active && !pg->snap_trimq.empty(); | |
1491 | } | |
1492 | } snap_trimmer_machine; | |
1493 | ||
1494 | struct WaitReservation; | |
1495 | struct Trimming : boost::statechart::state< Trimming, SnapTrimmer, WaitReservation >, NamedState { | |
1496 | typedef boost::mpl::list < | |
1497 | boost::statechart::custom_reaction< KickTrim >, | |
1498 | boost::statechart::transition< Reset, NotTrimming > | |
1499 | > reactions; | |
1500 | ||
1501 | set<hobject_t> in_flight; | |
1502 | snapid_t snap_to_trim; | |
1503 | ||
1504 | explicit Trimming(my_context ctx) | |
1505 | : my_base(ctx), | |
1506 | NamedState(context< SnapTrimmer >().pg, "Trimming") { | |
1507 | context< SnapTrimmer >().log_enter(state_name); | |
1508 | assert(context< SnapTrimmer >().can_trim()); | |
1509 | assert(in_flight.empty()); | |
1510 | } | |
1511 | void exit() { | |
1512 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1513 | auto *pg = context< SnapTrimmer >().pg; | |
1514 | pg->osd->snap_reserver.cancel_reservation(pg->get_pgid()); | |
1515 | pg->state_clear(PG_STATE_SNAPTRIM); | |
1516 | pg->publish_stats_to_osd(); | |
1517 | } | |
1518 | boost::statechart::result react(const KickTrim&) { | |
1519 | return discard_event(); | |
1520 | } | |
1521 | }; | |
1522 | ||
1523 | /* SnapTrimmerStates */ | |
1524 | struct WaitTrimTimer : boost::statechart::state< WaitTrimTimer, Trimming >, NamedState { | |
1525 | typedef boost::mpl::list < | |
1526 | boost::statechart::custom_reaction< SnapTrimTimerReady > | |
1527 | > reactions; | |
1528 | Context *wakeup = nullptr; | |
1529 | explicit WaitTrimTimer(my_context ctx) | |
1530 | : my_base(ctx), | |
1531 | NamedState(context< SnapTrimmer >().pg, "Trimming/WaitTrimTimer") { | |
1532 | context< SnapTrimmer >().log_enter(state_name); | |
1533 | assert(context<Trimming>().in_flight.empty()); | |
1534 | struct OnTimer : Context { | |
1535 | PrimaryLogPGRef pg; | |
1536 | epoch_t epoch; | |
1537 | OnTimer(PrimaryLogPGRef pg, epoch_t epoch) : pg(pg), epoch(epoch) {} | |
1538 | void finish(int) override { | |
1539 | pg->lock(); | |
1540 | if (!pg->pg_has_reset_since(epoch)) | |
1541 | pg->snap_trimmer_machine.process_event(SnapTrimTimerReady()); | |
1542 | pg->unlock(); | |
1543 | } | |
1544 | }; | |
1545 | auto *pg = context< SnapTrimmer >().pg; | |
1546 | if (pg->cct->_conf->osd_snap_trim_sleep > 0) { | |
1547 | wakeup = new OnTimer{pg, pg->get_osdmap()->get_epoch()}; | |
1548 | Mutex::Locker l(pg->osd->snap_sleep_lock); | |
1549 | pg->osd->snap_sleep_timer.add_event_after( | |
1550 | pg->cct->_conf->osd_snap_trim_sleep, wakeup); | |
1551 | } else { | |
1552 | post_event(SnapTrimTimerReady()); | |
1553 | } | |
1554 | } | |
1555 | void exit() { | |
1556 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1557 | auto *pg = context< SnapTrimmer >().pg; | |
1558 | if (wakeup) { | |
1559 | Mutex::Locker l(pg->osd->snap_sleep_lock); | |
1560 | pg->osd->snap_sleep_timer.cancel_event(wakeup); | |
1561 | wakeup = nullptr; | |
1562 | } | |
1563 | } | |
1564 | boost::statechart::result react(const SnapTrimTimerReady &) { | |
1565 | wakeup = nullptr; | |
1566 | if (!context< SnapTrimmer >().can_trim()) { | |
1567 | post_event(KickTrim()); | |
1568 | return transit< NotTrimming >(); | |
1569 | } else { | |
1570 | return transit< AwaitAsyncWork >(); | |
1571 | } | |
1572 | } | |
1573 | }; | |
1574 | ||
1575 | struct WaitRWLock : boost::statechart::state< WaitRWLock, Trimming >, NamedState { | |
1576 | typedef boost::mpl::list < | |
1577 | boost::statechart::custom_reaction< TrimWriteUnblocked > | |
1578 | > reactions; | |
1579 | explicit WaitRWLock(my_context ctx) | |
1580 | : my_base(ctx), | |
1581 | NamedState(context< SnapTrimmer >().pg, "Trimming/WaitRWLock") { | |
1582 | context< SnapTrimmer >().log_enter(state_name); | |
1583 | assert(context<Trimming>().in_flight.empty()); | |
1584 | } | |
1585 | void exit() { | |
1586 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1587 | } | |
1588 | boost::statechart::result react(const TrimWriteUnblocked&) { | |
1589 | if (!context< SnapTrimmer >().can_trim()) { | |
1590 | post_event(KickTrim()); | |
1591 | return transit< NotTrimming >(); | |
1592 | } else { | |
1593 | return transit< AwaitAsyncWork >(); | |
1594 | } | |
1595 | } | |
1596 | }; | |
1597 | ||
1598 | struct WaitRepops : boost::statechart::state< WaitRepops, Trimming >, NamedState { | |
1599 | typedef boost::mpl::list < | |
1600 | boost::statechart::custom_reaction< RepopsComplete > | |
1601 | > reactions; | |
1602 | explicit WaitRepops(my_context ctx) | |
1603 | : my_base(ctx), | |
1604 | NamedState(context< SnapTrimmer >().pg, "Trimming/WaitRepops") { | |
1605 | context< SnapTrimmer >().log_enter(state_name); | |
1606 | assert(!context<Trimming>().in_flight.empty()); | |
1607 | } | |
1608 | void exit() { | |
1609 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1610 | } | |
1611 | boost::statechart::result react(const RepopsComplete&) { | |
1612 | if (!context< SnapTrimmer >().can_trim()) { | |
1613 | post_event(KickTrim()); | |
1614 | return transit< NotTrimming >(); | |
1615 | } else { | |
1616 | return transit< WaitTrimTimer >(); | |
1617 | } | |
1618 | } | |
1619 | }; | |
1620 | ||
1621 | struct AwaitAsyncWork : boost::statechart::state< AwaitAsyncWork, Trimming >, NamedState { | |
1622 | typedef boost::mpl::list < | |
1623 | boost::statechart::custom_reaction< DoSnapWork > | |
1624 | > reactions; | |
1625 | explicit AwaitAsyncWork(my_context ctx); | |
1626 | void exit() { | |
1627 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1628 | } | |
1629 | boost::statechart::result react(const DoSnapWork&); | |
1630 | }; | |
1631 | ||
1632 | struct WaitReservation : boost::statechart::state< WaitReservation, Trimming >, NamedState { | |
1633 | /* WaitReservation is a sub-state of trimming simply so that exiting Trimming | |
1634 | * always cancels the reservation */ | |
1635 | typedef boost::mpl::list < | |
1636 | boost::statechart::custom_reaction< SnapTrimReserved > | |
1637 | > reactions; | |
1638 | struct ReservationCB : public Context { | |
1639 | PrimaryLogPGRef pg; | |
1640 | bool canceled; | |
1641 | ReservationCB(PrimaryLogPG *pg) : pg(pg), canceled(false) {} | |
1642 | void finish(int) override { | |
1643 | pg->lock(); | |
1644 | if (!canceled) | |
1645 | pg->snap_trimmer_machine.process_event(SnapTrimReserved()); | |
1646 | pg->unlock(); | |
1647 | } | |
1648 | void cancel() { | |
1649 | assert(pg->is_locked()); | |
1650 | assert(!canceled); | |
1651 | canceled = true; | |
1652 | } | |
1653 | }; | |
1654 | ReservationCB *pending = nullptr; | |
1655 | ||
1656 | explicit WaitReservation(my_context ctx) | |
1657 | : my_base(ctx), | |
1658 | NamedState(context< SnapTrimmer >().pg, "Trimming/WaitReservation") { | |
1659 | context< SnapTrimmer >().log_enter(state_name); | |
1660 | assert(context<Trimming>().in_flight.empty()); | |
1661 | auto *pg = context< SnapTrimmer >().pg; | |
1662 | pending = new ReservationCB(pg); | |
1663 | pg->osd->snap_reserver.request_reservation( | |
1664 | pg->get_pgid(), | |
1665 | pending, | |
1666 | 0); | |
1667 | pg->state_set(PG_STATE_SNAPTRIM_WAIT); | |
1668 | pg->publish_stats_to_osd(); | |
1669 | } | |
1670 | boost::statechart::result react(const SnapTrimReserved&); | |
1671 | void exit() { | |
1672 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1673 | if (pending) | |
1674 | pending->cancel(); | |
1675 | pending = nullptr; | |
1676 | auto *pg = context< SnapTrimmer >().pg; | |
1677 | pg->state_clear(PG_STATE_SNAPTRIM_WAIT); | |
1678 | pg->state_clear(PG_STATE_SNAPTRIM_ERROR); | |
1679 | pg->publish_stats_to_osd(); | |
1680 | } | |
1681 | }; | |
1682 | ||
1683 | struct WaitScrub : boost::statechart::state< WaitScrub, SnapTrimmer >, NamedState { | |
1684 | typedef boost::mpl::list < | |
1685 | boost::statechart::custom_reaction< ScrubComplete >, | |
1686 | boost::statechart::custom_reaction< KickTrim >, | |
1687 | boost::statechart::transition< Reset, NotTrimming > | |
1688 | > reactions; | |
1689 | explicit WaitScrub(my_context ctx) | |
1690 | : my_base(ctx), | |
1691 | NamedState(context< SnapTrimmer >().pg, "Trimming/WaitScrub") { | |
1692 | context< SnapTrimmer >().log_enter(state_name); | |
1693 | } | |
1694 | void exit() { | |
1695 | context< SnapTrimmer >().log_exit(state_name, enter_time); | |
1696 | } | |
1697 | boost::statechart::result react(const ScrubComplete&) { | |
1698 | post_event(KickTrim()); | |
1699 | return transit< NotTrimming >(); | |
1700 | } | |
1701 | boost::statechart::result react(const KickTrim&) { | |
1702 | return discard_event(); | |
1703 | } | |
1704 | }; | |
1705 | ||
1706 | struct NotTrimming : boost::statechart::state< NotTrimming, SnapTrimmer >, NamedState { | |
1707 | typedef boost::mpl::list < | |
1708 | boost::statechart::custom_reaction< KickTrim >, | |
1709 | boost::statechart::transition< Reset, NotTrimming > | |
1710 | > reactions; | |
1711 | explicit NotTrimming(my_context ctx); | |
1712 | void exit(); | |
1713 | boost::statechart::result react(const KickTrim&); | |
1714 | }; | |
1715 | ||
1716 | int _verify_no_head_clones(const hobject_t& soid, | |
1717 | const SnapSet& ss); | |
1718 | // return true if we're creating a local object, false for a | |
1719 | // whiteout or no change. | |
1720 | void maybe_create_new_object(OpContext *ctx, bool ignore_transaction=false); | |
1721 | int _delete_oid(OpContext *ctx, bool no_whiteout, bool try_no_whiteout); | |
1722 | int _rollback_to(OpContext *ctx, ceph_osd_op& op); | |
1723 | public: | |
1724 | bool is_missing_object(const hobject_t& oid) const; | |
1725 | bool is_unreadable_object(const hobject_t &oid) const { | |
1726 | return is_missing_object(oid) || | |
1727 | !missing_loc.readable_with_acting(oid, actingset); | |
1728 | } | |
1729 | void maybe_kick_recovery(const hobject_t &soid); | |
1730 | void wait_for_unreadable_object(const hobject_t& oid, OpRequestRef op); | |
1731 | void wait_for_all_missing(OpRequestRef op); | |
1732 | ||
1733 | bool is_degraded_or_backfilling_object(const hobject_t& oid); | |
1734 | void wait_for_degraded_object(const hobject_t& oid, OpRequestRef op); | |
1735 | ||
1736 | void block_write_on_full_cache( | |
1737 | const hobject_t& oid, OpRequestRef op); | |
1738 | void block_for_clean( | |
1739 | const hobject_t& oid, OpRequestRef op); | |
1740 | void block_write_on_snap_rollback( | |
1741 | const hobject_t& oid, ObjectContextRef obc, OpRequestRef op); | |
1742 | void block_write_on_degraded_snap(const hobject_t& oid, OpRequestRef op); | |
1743 | ||
1744 | bool maybe_await_blocked_snapset(const hobject_t &soid, OpRequestRef op); | |
1745 | void wait_for_blocked_object(const hobject_t& soid, OpRequestRef op); | |
1746 | void kick_object_context_blocked(ObjectContextRef obc); | |
1747 | ||
1748 | void maybe_force_recovery(); | |
1749 | ||
1750 | void mark_all_unfound_lost( | |
1751 | int what, | |
1752 | ConnectionRef con, | |
1753 | ceph_tid_t tid); | |
1754 | eversion_t pick_newest_available(const hobject_t& oid); | |
1755 | ||
1756 | void do_update_log_missing( | |
1757 | OpRequestRef &op); | |
1758 | ||
1759 | void do_update_log_missing_reply( | |
1760 | OpRequestRef &op); | |
1761 | ||
1762 | void on_role_change() override; | |
1763 | void on_pool_change() override; | |
1764 | void _on_new_interval() override; | |
1765 | void on_change(ObjectStore::Transaction *t) override; | |
1766 | void on_activate() override; | |
1767 | void on_flushed() override; | |
1768 | void on_removal(ObjectStore::Transaction *t) override; | |
1769 | void on_shutdown() override; | |
1770 | bool check_failsafe_full(ostream &ss) override; | |
1771 | bool check_osdmap_full(const set<pg_shard_t> &missing_on) override; | |
1772 | int rep_repair_primary_object(const hobject_t& soid, OpRequestRef op); | |
1773 | ||
1774 | // attr cache handling | |
1775 | void setattr_maybe_cache( | |
1776 | ObjectContextRef obc, | |
1777 | OpContext *op, | |
1778 | PGTransaction *t, | |
1779 | const string &key, | |
1780 | bufferlist &val); | |
1781 | void setattrs_maybe_cache( | |
1782 | ObjectContextRef obc, | |
1783 | OpContext *op, | |
1784 | PGTransaction *t, | |
1785 | map<string, bufferlist> &attrs); | |
1786 | void rmattr_maybe_cache( | |
1787 | ObjectContextRef obc, | |
1788 | OpContext *op, | |
1789 | PGTransaction *t, | |
1790 | const string &key); | |
1791 | int getattr_maybe_cache( | |
1792 | ObjectContextRef obc, | |
1793 | const string &key, | |
1794 | bufferlist *val); | |
1795 | int getattrs_maybe_cache( | |
1796 | ObjectContextRef obc, | |
1797 | map<string, bufferlist> *out, | |
1798 | bool user_only = false); | |
1799 | }; | |
1800 | ||
1801 | inline ostream& operator<<(ostream& out, const PrimaryLogPG::RepGather& repop) | |
1802 | { | |
1803 | out << "repgather(" << &repop | |
1804 | << " " << repop.v | |
1805 | << " rep_tid=" << repop.rep_tid | |
1806 | << " committed?=" << repop.all_committed | |
1807 | << " applied?=" << repop.all_applied | |
1808 | << " r=" << repop.r | |
1809 | << ")"; | |
1810 | return out; | |
1811 | } | |
1812 | ||
1813 | inline ostream& operator<<(ostream& out, | |
1814 | const PrimaryLogPG::ProxyWriteOpRef& pwop) | |
1815 | { | |
1816 | out << "proxywrite(" << &pwop | |
1817 | << " " << pwop->user_version | |
1818 | << " pwop_tid=" << pwop->objecter_tid; | |
1819 | if (pwop->ctx->op) | |
1820 | out << " op=" << *(pwop->ctx->op->get_req()); | |
1821 | out << ")"; | |
1822 | return out; | |
1823 | } | |
1824 | ||
1825 | void intrusive_ptr_add_ref(PrimaryLogPG::RepGather *repop); | |
1826 | void intrusive_ptr_release(PrimaryLogPG::RepGather *repop); | |
1827 | ||
1828 | ||
1829 | #endif |