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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) 2004-2006 Sage Weil <sage@newdream.net> | |
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 | ||
15 | #include "Objecter.h" | |
16 | #include "osd/OSDMap.h" | |
17 | #include "Filer.h" | |
18 | ||
19 | #include "mon/MonClient.h" | |
20 | ||
21 | #include "msg/Messenger.h" | |
22 | #include "msg/Message.h" | |
23 | ||
24 | #include "messages/MPing.h" | |
25 | #include "messages/MOSDOp.h" | |
26 | #include "messages/MOSDOpReply.h" | |
27 | #include "messages/MOSDBackoff.h" | |
28 | #include "messages/MOSDMap.h" | |
29 | ||
30 | #include "messages/MPoolOp.h" | |
31 | #include "messages/MPoolOpReply.h" | |
32 | ||
33 | #include "messages/MGetPoolStats.h" | |
34 | #include "messages/MGetPoolStatsReply.h" | |
35 | #include "messages/MStatfs.h" | |
36 | #include "messages/MStatfsReply.h" | |
37 | ||
38 | #include "messages/MMonCommand.h" | |
39 | ||
40 | #include "messages/MCommand.h" | |
41 | #include "messages/MCommandReply.h" | |
42 | ||
43 | #include "messages/MWatchNotify.h" | |
44 | ||
45 | #include <errno.h> | |
46 | ||
47 | #include "common/config.h" | |
48 | #include "common/perf_counters.h" | |
49 | #include "common/scrub_types.h" | |
50 | #include "include/str_list.h" | |
51 | #include "common/errno.h" | |
52 | #include "common/EventTrace.h" | |
53 | ||
54 | using ceph::real_time; | |
55 | using ceph::real_clock; | |
56 | ||
57 | using ceph::mono_clock; | |
58 | using ceph::mono_time; | |
59 | ||
60 | using ceph::timespan; | |
61 | ||
62 | ||
63 | #define dout_subsys ceph_subsys_objecter | |
64 | #undef dout_prefix | |
65 | #define dout_prefix *_dout << messenger->get_myname() << ".objecter " | |
66 | ||
67 | ||
68 | enum { | |
69 | l_osdc_first = 123200, | |
70 | l_osdc_op_active, | |
71 | l_osdc_op_laggy, | |
72 | l_osdc_op_send, | |
73 | l_osdc_op_send_bytes, | |
74 | l_osdc_op_resend, | |
75 | l_osdc_op_reply, | |
76 | ||
77 | l_osdc_op, | |
78 | l_osdc_op_r, | |
79 | l_osdc_op_w, | |
80 | l_osdc_op_rmw, | |
81 | l_osdc_op_pg, | |
82 | ||
83 | l_osdc_osdop_stat, | |
84 | l_osdc_osdop_create, | |
85 | l_osdc_osdop_read, | |
86 | l_osdc_osdop_write, | |
87 | l_osdc_osdop_writefull, | |
88 | l_osdc_osdop_writesame, | |
89 | l_osdc_osdop_append, | |
90 | l_osdc_osdop_zero, | |
91 | l_osdc_osdop_truncate, | |
92 | l_osdc_osdop_delete, | |
93 | l_osdc_osdop_mapext, | |
94 | l_osdc_osdop_sparse_read, | |
95 | l_osdc_osdop_clonerange, | |
96 | l_osdc_osdop_getxattr, | |
97 | l_osdc_osdop_setxattr, | |
98 | l_osdc_osdop_cmpxattr, | |
99 | l_osdc_osdop_rmxattr, | |
100 | l_osdc_osdop_resetxattrs, | |
101 | l_osdc_osdop_call, | |
102 | l_osdc_osdop_watch, | |
103 | l_osdc_osdop_notify, | |
104 | l_osdc_osdop_src_cmpxattr, | |
105 | l_osdc_osdop_pgls, | |
106 | l_osdc_osdop_pgls_filter, | |
107 | l_osdc_osdop_other, | |
108 | ||
109 | l_osdc_linger_active, | |
110 | l_osdc_linger_send, | |
111 | l_osdc_linger_resend, | |
112 | l_osdc_linger_ping, | |
113 | ||
114 | l_osdc_poolop_active, | |
115 | l_osdc_poolop_send, | |
116 | l_osdc_poolop_resend, | |
117 | ||
118 | l_osdc_poolstat_active, | |
119 | l_osdc_poolstat_send, | |
120 | l_osdc_poolstat_resend, | |
121 | ||
122 | l_osdc_statfs_active, | |
123 | l_osdc_statfs_send, | |
124 | l_osdc_statfs_resend, | |
125 | ||
126 | l_osdc_command_active, | |
127 | l_osdc_command_send, | |
128 | l_osdc_command_resend, | |
129 | ||
130 | l_osdc_map_epoch, | |
131 | l_osdc_map_full, | |
132 | l_osdc_map_inc, | |
133 | ||
134 | l_osdc_osd_sessions, | |
135 | l_osdc_osd_session_open, | |
136 | l_osdc_osd_session_close, | |
137 | l_osdc_osd_laggy, | |
138 | ||
139 | l_osdc_osdop_omap_wr, | |
140 | l_osdc_osdop_omap_rd, | |
141 | l_osdc_osdop_omap_del, | |
142 | ||
143 | l_osdc_last, | |
144 | }; | |
145 | ||
146 | ||
147 | // config obs ---------------------------- | |
148 | ||
149 | static const char *config_keys[] = { | |
150 | "crush_location", | |
151 | NULL | |
152 | }; | |
153 | ||
154 | class Objecter::RequestStateHook : public AdminSocketHook { | |
155 | Objecter *m_objecter; | |
156 | public: | |
157 | explicit RequestStateHook(Objecter *objecter); | |
158 | bool call(std::string_view command, const cmdmap_t& cmdmap, | |
159 | std::string_view format, bufferlist& out) override; | |
160 | }; | |
161 | ||
162 | /** | |
163 | * This is a more limited form of C_Contexts, but that requires | |
164 | * a ceph_context which we don't have here. | |
165 | */ | |
166 | class ObjectOperation::C_TwoContexts : public Context { | |
167 | Context *first; | |
168 | Context *second; | |
169 | public: | |
170 | C_TwoContexts(Context *first, Context *second) : | |
171 | first(first), second(second) {} | |
172 | void finish(int r) override { | |
173 | first->complete(r); | |
174 | second->complete(r); | |
175 | first = NULL; | |
176 | second = NULL; | |
177 | } | |
178 | ||
179 | ~C_TwoContexts() override { | |
180 | delete first; | |
181 | delete second; | |
182 | } | |
183 | }; | |
184 | ||
185 | void ObjectOperation::add_handler(Context *extra) { | |
186 | size_t last = out_handler.size() - 1; | |
187 | Context *orig = out_handler[last]; | |
188 | if (orig) { | |
189 | Context *wrapper = new C_TwoContexts(orig, extra); | |
190 | out_handler[last] = wrapper; | |
191 | } else { | |
192 | out_handler[last] = extra; | |
193 | } | |
194 | } | |
195 | ||
196 | Objecter::OSDSession::unique_completion_lock Objecter::OSDSession::get_lock( | |
197 | object_t& oid) | |
198 | { | |
199 | if (oid.name.empty()) | |
200 | return unique_completion_lock(); | |
201 | ||
202 | static constexpr uint32_t HASH_PRIME = 1021; | |
203 | uint32_t h = ceph_str_hash_linux(oid.name.c_str(), oid.name.size()) | |
204 | % HASH_PRIME; | |
205 | ||
206 | return unique_completion_lock(completion_locks[h % num_locks], | |
207 | std::defer_lock); | |
208 | } | |
209 | ||
210 | const char** Objecter::get_tracked_conf_keys() const | |
211 | { | |
212 | return config_keys; | |
213 | } | |
214 | ||
215 | ||
216 | void Objecter::handle_conf_change(const ConfigProxy& conf, | |
217 | const std::set <std::string> &changed) | |
218 | { | |
219 | if (changed.count("crush_location")) { | |
220 | update_crush_location(); | |
221 | } | |
222 | } | |
223 | ||
224 | void Objecter::update_crush_location() | |
225 | { | |
226 | unique_lock wl(rwlock); | |
227 | crush_location = cct->crush_location.get_location(); | |
228 | } | |
229 | ||
230 | // messages ------------------------------ | |
231 | ||
232 | /* | |
233 | * initialize only internal data structures, don't initiate cluster interaction | |
234 | */ | |
235 | void Objecter::init() | |
236 | { | |
237 | ceph_assert(!initialized); | |
238 | ||
239 | if (!logger) { | |
240 | PerfCountersBuilder pcb(cct, "objecter", l_osdc_first, l_osdc_last); | |
241 | ||
242 | pcb.add_u64(l_osdc_op_active, "op_active", "Operations active", "actv", | |
243 | PerfCountersBuilder::PRIO_CRITICAL); | |
244 | pcb.add_u64(l_osdc_op_laggy, "op_laggy", "Laggy operations"); | |
245 | pcb.add_u64_counter(l_osdc_op_send, "op_send", "Sent operations"); | |
246 | pcb.add_u64_counter(l_osdc_op_send_bytes, "op_send_bytes", "Sent data", NULL, 0, unit_t(UNIT_BYTES)); | |
247 | pcb.add_u64_counter(l_osdc_op_resend, "op_resend", "Resent operations"); | |
248 | pcb.add_u64_counter(l_osdc_op_reply, "op_reply", "Operation reply"); | |
249 | ||
250 | pcb.add_u64_counter(l_osdc_op, "op", "Operations"); | |
251 | pcb.add_u64_counter(l_osdc_op_r, "op_r", "Read operations", "rd", | |
252 | PerfCountersBuilder::PRIO_CRITICAL); | |
253 | pcb.add_u64_counter(l_osdc_op_w, "op_w", "Write operations", "wr", | |
254 | PerfCountersBuilder::PRIO_CRITICAL); | |
255 | pcb.add_u64_counter(l_osdc_op_rmw, "op_rmw", "Read-modify-write operations", | |
256 | "rdwr", PerfCountersBuilder::PRIO_INTERESTING); | |
257 | pcb.add_u64_counter(l_osdc_op_pg, "op_pg", "PG operation"); | |
258 | ||
259 | pcb.add_u64_counter(l_osdc_osdop_stat, "osdop_stat", "Stat operations"); | |
260 | pcb.add_u64_counter(l_osdc_osdop_create, "osdop_create", | |
261 | "Create object operations"); | |
262 | pcb.add_u64_counter(l_osdc_osdop_read, "osdop_read", "Read operations"); | |
263 | pcb.add_u64_counter(l_osdc_osdop_write, "osdop_write", "Write operations"); | |
264 | pcb.add_u64_counter(l_osdc_osdop_writefull, "osdop_writefull", | |
265 | "Write full object operations"); | |
266 | pcb.add_u64_counter(l_osdc_osdop_writesame, "osdop_writesame", | |
267 | "Write same operations"); | |
268 | pcb.add_u64_counter(l_osdc_osdop_append, "osdop_append", | |
269 | "Append operation"); | |
270 | pcb.add_u64_counter(l_osdc_osdop_zero, "osdop_zero", | |
271 | "Set object to zero operations"); | |
272 | pcb.add_u64_counter(l_osdc_osdop_truncate, "osdop_truncate", | |
273 | "Truncate object operations"); | |
274 | pcb.add_u64_counter(l_osdc_osdop_delete, "osdop_delete", | |
275 | "Delete object operations"); | |
276 | pcb.add_u64_counter(l_osdc_osdop_mapext, "osdop_mapext", | |
277 | "Map extent operations"); | |
278 | pcb.add_u64_counter(l_osdc_osdop_sparse_read, "osdop_sparse_read", | |
279 | "Sparse read operations"); | |
280 | pcb.add_u64_counter(l_osdc_osdop_clonerange, "osdop_clonerange", | |
281 | "Clone range operations"); | |
282 | pcb.add_u64_counter(l_osdc_osdop_getxattr, "osdop_getxattr", | |
283 | "Get xattr operations"); | |
284 | pcb.add_u64_counter(l_osdc_osdop_setxattr, "osdop_setxattr", | |
285 | "Set xattr operations"); | |
286 | pcb.add_u64_counter(l_osdc_osdop_cmpxattr, "osdop_cmpxattr", | |
287 | "Xattr comparison operations"); | |
288 | pcb.add_u64_counter(l_osdc_osdop_rmxattr, "osdop_rmxattr", | |
289 | "Remove xattr operations"); | |
290 | pcb.add_u64_counter(l_osdc_osdop_resetxattrs, "osdop_resetxattrs", | |
291 | "Reset xattr operations"); | |
292 | pcb.add_u64_counter(l_osdc_osdop_call, "osdop_call", | |
293 | "Call (execute) operations"); | |
294 | pcb.add_u64_counter(l_osdc_osdop_watch, "osdop_watch", | |
295 | "Watch by object operations"); | |
296 | pcb.add_u64_counter(l_osdc_osdop_notify, "osdop_notify", | |
297 | "Notify about object operations"); | |
298 | pcb.add_u64_counter(l_osdc_osdop_src_cmpxattr, "osdop_src_cmpxattr", | |
299 | "Extended attribute comparison in multi operations"); | |
300 | pcb.add_u64_counter(l_osdc_osdop_pgls, "osdop_pgls"); | |
301 | pcb.add_u64_counter(l_osdc_osdop_pgls_filter, "osdop_pgls_filter"); | |
302 | pcb.add_u64_counter(l_osdc_osdop_other, "osdop_other", "Other operations"); | |
303 | ||
304 | pcb.add_u64(l_osdc_linger_active, "linger_active", | |
305 | "Active lingering operations"); | |
306 | pcb.add_u64_counter(l_osdc_linger_send, "linger_send", | |
307 | "Sent lingering operations"); | |
308 | pcb.add_u64_counter(l_osdc_linger_resend, "linger_resend", | |
309 | "Resent lingering operations"); | |
310 | pcb.add_u64_counter(l_osdc_linger_ping, "linger_ping", | |
311 | "Sent pings to lingering operations"); | |
312 | ||
313 | pcb.add_u64(l_osdc_poolop_active, "poolop_active", | |
314 | "Active pool operations"); | |
315 | pcb.add_u64_counter(l_osdc_poolop_send, "poolop_send", | |
316 | "Sent pool operations"); | |
317 | pcb.add_u64_counter(l_osdc_poolop_resend, "poolop_resend", | |
318 | "Resent pool operations"); | |
319 | ||
320 | pcb.add_u64(l_osdc_poolstat_active, "poolstat_active", | |
321 | "Active get pool stat operations"); | |
322 | pcb.add_u64_counter(l_osdc_poolstat_send, "poolstat_send", | |
323 | "Pool stat operations sent"); | |
324 | pcb.add_u64_counter(l_osdc_poolstat_resend, "poolstat_resend", | |
325 | "Resent pool stats"); | |
326 | ||
327 | pcb.add_u64(l_osdc_statfs_active, "statfs_active", "Statfs operations"); | |
328 | pcb.add_u64_counter(l_osdc_statfs_send, "statfs_send", "Sent FS stats"); | |
329 | pcb.add_u64_counter(l_osdc_statfs_resend, "statfs_resend", | |
330 | "Resent FS stats"); | |
331 | ||
332 | pcb.add_u64(l_osdc_command_active, "command_active", "Active commands"); | |
333 | pcb.add_u64_counter(l_osdc_command_send, "command_send", | |
334 | "Sent commands"); | |
335 | pcb.add_u64_counter(l_osdc_command_resend, "command_resend", | |
336 | "Resent commands"); | |
337 | ||
338 | pcb.add_u64(l_osdc_map_epoch, "map_epoch", "OSD map epoch"); | |
339 | pcb.add_u64_counter(l_osdc_map_full, "map_full", | |
340 | "Full OSD maps received"); | |
341 | pcb.add_u64_counter(l_osdc_map_inc, "map_inc", | |
342 | "Incremental OSD maps received"); | |
343 | ||
344 | pcb.add_u64(l_osdc_osd_sessions, "osd_sessions", | |
345 | "Open sessions"); // open sessions | |
346 | pcb.add_u64_counter(l_osdc_osd_session_open, "osd_session_open", | |
347 | "Sessions opened"); | |
348 | pcb.add_u64_counter(l_osdc_osd_session_close, "osd_session_close", | |
349 | "Sessions closed"); | |
350 | pcb.add_u64(l_osdc_osd_laggy, "osd_laggy", "Laggy OSD sessions"); | |
351 | ||
352 | pcb.add_u64_counter(l_osdc_osdop_omap_wr, "omap_wr", | |
353 | "OSD OMAP write operations"); | |
354 | pcb.add_u64_counter(l_osdc_osdop_omap_rd, "omap_rd", | |
355 | "OSD OMAP read operations"); | |
356 | pcb.add_u64_counter(l_osdc_osdop_omap_del, "omap_del", | |
357 | "OSD OMAP delete operations"); | |
358 | ||
359 | logger = pcb.create_perf_counters(); | |
360 | cct->get_perfcounters_collection()->add(logger); | |
361 | } | |
362 | ||
363 | m_request_state_hook = new RequestStateHook(this); | |
364 | AdminSocket* admin_socket = cct->get_admin_socket(); | |
365 | int ret = admin_socket->register_command("objecter_requests", | |
366 | "objecter_requests", | |
367 | m_request_state_hook, | |
368 | "show in-progress osd requests"); | |
369 | ||
370 | /* Don't warn on EEXIST, happens if multiple ceph clients | |
371 | * are instantiated from one process */ | |
372 | if (ret < 0 && ret != -EEXIST) { | |
373 | lderr(cct) << "error registering admin socket command: " | |
374 | << cpp_strerror(ret) << dendl; | |
375 | } | |
376 | ||
377 | update_crush_location(); | |
378 | ||
379 | cct->_conf.add_observer(this); | |
380 | ||
381 | initialized = true; | |
382 | } | |
383 | ||
384 | /* | |
385 | * ok, cluster interaction can happen | |
386 | */ | |
387 | void Objecter::start(const OSDMap* o) | |
388 | { | |
389 | shared_lock rl(rwlock); | |
390 | ||
391 | start_tick(); | |
392 | if (o) { | |
393 | osdmap->deepish_copy_from(*o); | |
394 | } else if (osdmap->get_epoch() == 0) { | |
395 | _maybe_request_map(); | |
396 | } | |
397 | } | |
398 | ||
399 | void Objecter::shutdown() | |
400 | { | |
401 | ceph_assert(initialized); | |
402 | ||
403 | unique_lock wl(rwlock); | |
404 | ||
405 | initialized = false; | |
406 | ||
407 | wl.unlock(); | |
408 | cct->_conf.remove_observer(this); | |
409 | wl.lock(); | |
410 | ||
411 | map<int,OSDSession*>::iterator p; | |
412 | while (!osd_sessions.empty()) { | |
413 | p = osd_sessions.begin(); | |
414 | close_session(p->second); | |
415 | } | |
416 | ||
417 | while(!check_latest_map_lingers.empty()) { | |
418 | map<uint64_t, LingerOp*>::iterator i = check_latest_map_lingers.begin(); | |
419 | i->second->put(); | |
420 | check_latest_map_lingers.erase(i->first); | |
421 | } | |
422 | ||
423 | while(!check_latest_map_ops.empty()) { | |
424 | map<ceph_tid_t, Op*>::iterator i = check_latest_map_ops.begin(); | |
425 | i->second->put(); | |
426 | check_latest_map_ops.erase(i->first); | |
427 | } | |
428 | ||
429 | while(!check_latest_map_commands.empty()) { | |
430 | map<ceph_tid_t, CommandOp*>::iterator i | |
431 | = check_latest_map_commands.begin(); | |
432 | i->second->put(); | |
433 | check_latest_map_commands.erase(i->first); | |
434 | } | |
435 | ||
436 | while(!poolstat_ops.empty()) { | |
437 | map<ceph_tid_t,PoolStatOp*>::iterator i = poolstat_ops.begin(); | |
438 | delete i->second; | |
439 | poolstat_ops.erase(i->first); | |
440 | } | |
441 | ||
442 | while(!statfs_ops.empty()) { | |
443 | map<ceph_tid_t, StatfsOp*>::iterator i = statfs_ops.begin(); | |
444 | delete i->second; | |
445 | statfs_ops.erase(i->first); | |
446 | } | |
447 | ||
448 | while(!pool_ops.empty()) { | |
449 | map<ceph_tid_t, PoolOp*>::iterator i = pool_ops.begin(); | |
450 | delete i->second; | |
451 | pool_ops.erase(i->first); | |
452 | } | |
453 | ||
454 | ldout(cct, 20) << __func__ << " clearing up homeless session..." << dendl; | |
455 | while(!homeless_session->linger_ops.empty()) { | |
456 | std::map<uint64_t, LingerOp*>::iterator i | |
457 | = homeless_session->linger_ops.begin(); | |
458 | ldout(cct, 10) << " linger_op " << i->first << dendl; | |
459 | LingerOp *lop = i->second; | |
460 | { | |
461 | OSDSession::unique_lock swl(homeless_session->lock); | |
462 | _session_linger_op_remove(homeless_session, lop); | |
463 | } | |
464 | linger_ops.erase(lop->linger_id); | |
465 | linger_ops_set.erase(lop); | |
466 | lop->put(); | |
467 | } | |
468 | ||
469 | while(!homeless_session->ops.empty()) { | |
470 | std::map<ceph_tid_t, Op*>::iterator i = homeless_session->ops.begin(); | |
471 | ldout(cct, 10) << " op " << i->first << dendl; | |
472 | Op *op = i->second; | |
473 | { | |
474 | OSDSession::unique_lock swl(homeless_session->lock); | |
475 | _session_op_remove(homeless_session, op); | |
476 | } | |
477 | op->put(); | |
478 | } | |
479 | ||
480 | while(!homeless_session->command_ops.empty()) { | |
481 | std::map<ceph_tid_t, CommandOp*>::iterator i | |
482 | = homeless_session->command_ops.begin(); | |
483 | ldout(cct, 10) << " command_op " << i->first << dendl; | |
484 | CommandOp *cop = i->second; | |
485 | { | |
486 | OSDSession::unique_lock swl(homeless_session->lock); | |
487 | _session_command_op_remove(homeless_session, cop); | |
488 | } | |
489 | cop->put(); | |
490 | } | |
491 | ||
492 | if (tick_event) { | |
493 | if (timer.cancel_event(tick_event)) { | |
494 | ldout(cct, 10) << " successfully canceled tick" << dendl; | |
495 | } | |
496 | tick_event = 0; | |
497 | } | |
498 | ||
499 | if (logger) { | |
500 | cct->get_perfcounters_collection()->remove(logger); | |
501 | delete logger; | |
502 | logger = NULL; | |
503 | } | |
504 | ||
505 | // Let go of Objecter write lock so timer thread can shutdown | |
506 | wl.unlock(); | |
507 | ||
508 | // Outside of lock to avoid cycle WRT calls to RequestStateHook | |
509 | // This is safe because we guarantee no concurrent calls to | |
510 | // shutdown() with the ::initialized check at start. | |
511 | if (m_request_state_hook) { | |
512 | AdminSocket* admin_socket = cct->get_admin_socket(); | |
513 | admin_socket->unregister_command("objecter_requests"); | |
514 | delete m_request_state_hook; | |
515 | m_request_state_hook = NULL; | |
516 | } | |
517 | } | |
518 | ||
519 | void Objecter::_send_linger(LingerOp *info, | |
520 | shunique_lock& sul) | |
521 | { | |
522 | ceph_assert(sul.owns_lock() && sul.mutex() == &rwlock); | |
523 | ||
524 | vector<OSDOp> opv; | |
525 | Context *oncommit = NULL; | |
526 | LingerOp::shared_lock watchl(info->watch_lock); | |
527 | bufferlist *poutbl = NULL; | |
528 | if (info->registered && info->is_watch) { | |
529 | ldout(cct, 15) << "send_linger " << info->linger_id << " reconnect" | |
530 | << dendl; | |
531 | opv.push_back(OSDOp()); | |
532 | opv.back().op.op = CEPH_OSD_OP_WATCH; | |
533 | opv.back().op.watch.cookie = info->get_cookie(); | |
534 | opv.back().op.watch.op = CEPH_OSD_WATCH_OP_RECONNECT; | |
535 | opv.back().op.watch.gen = ++info->register_gen; | |
536 | oncommit = new C_Linger_Reconnect(this, info); | |
537 | } else { | |
538 | ldout(cct, 15) << "send_linger " << info->linger_id << " register" | |
539 | << dendl; | |
540 | opv = info->ops; | |
541 | C_Linger_Commit *c = new C_Linger_Commit(this, info); | |
542 | if (!info->is_watch) { | |
543 | info->notify_id = 0; | |
544 | poutbl = &c->outbl; | |
545 | } | |
546 | oncommit = c; | |
547 | } | |
548 | watchl.unlock(); | |
549 | Op *o = new Op(info->target.base_oid, info->target.base_oloc, | |
550 | opv, info->target.flags | CEPH_OSD_FLAG_READ, | |
551 | oncommit, info->pobjver); | |
552 | o->outbl = poutbl; | |
553 | o->snapid = info->snap; | |
554 | o->snapc = info->snapc; | |
555 | o->mtime = info->mtime; | |
556 | ||
557 | o->target = info->target; | |
558 | o->tid = ++last_tid; | |
559 | ||
560 | // do not resend this; we will send a new op to reregister | |
561 | o->should_resend = false; | |
562 | o->ctx_budgeted = true; | |
563 | ||
564 | if (info->register_tid) { | |
565 | // repeat send. cancel old registration op, if any. | |
566 | OSDSession::unique_lock sl(info->session->lock); | |
567 | if (info->session->ops.count(info->register_tid)) { | |
568 | Op *o = info->session->ops[info->register_tid]; | |
569 | _op_cancel_map_check(o); | |
570 | _cancel_linger_op(o); | |
571 | } | |
572 | sl.unlock(); | |
573 | } | |
574 | ||
575 | _op_submit_with_budget(o, sul, &info->register_tid, &info->ctx_budget); | |
576 | ||
577 | logger->inc(l_osdc_linger_send); | |
578 | } | |
579 | ||
580 | void Objecter::_linger_commit(LingerOp *info, int r, bufferlist& outbl) | |
581 | { | |
582 | LingerOp::unique_lock wl(info->watch_lock); | |
583 | ldout(cct, 10) << "_linger_commit " << info->linger_id << dendl; | |
584 | if (info->on_reg_commit) { | |
585 | info->on_reg_commit->complete(r); | |
586 | info->on_reg_commit = NULL; | |
587 | } | |
588 | if (r < 0 && info->on_notify_finish) { | |
589 | info->on_notify_finish->complete(r); | |
590 | info->on_notify_finish = nullptr; | |
591 | } | |
592 | ||
593 | // only tell the user the first time we do this | |
594 | info->registered = true; | |
595 | info->pobjver = NULL; | |
596 | ||
597 | if (!info->is_watch) { | |
598 | // make note of the notify_id | |
599 | auto p = outbl.cbegin(); | |
600 | try { | |
601 | decode(info->notify_id, p); | |
602 | ldout(cct, 10) << "_linger_commit notify_id=" << info->notify_id | |
603 | << dendl; | |
604 | } | |
605 | catch (buffer::error& e) { | |
606 | } | |
607 | } | |
608 | } | |
609 | ||
610 | struct C_DoWatchError : public Context { | |
611 | Objecter *objecter; | |
612 | Objecter::LingerOp *info; | |
613 | int err; | |
614 | C_DoWatchError(Objecter *o, Objecter::LingerOp *i, int r) | |
615 | : objecter(o), info(i), err(r) { | |
616 | info->get(); | |
617 | info->_queued_async(); | |
618 | } | |
619 | void finish(int r) override { | |
620 | Objecter::unique_lock wl(objecter->rwlock); | |
621 | bool canceled = info->canceled; | |
622 | wl.unlock(); | |
623 | ||
624 | if (!canceled) { | |
625 | info->watch_context->handle_error(info->get_cookie(), err); | |
626 | } | |
627 | ||
628 | info->finished_async(); | |
629 | info->put(); | |
630 | } | |
631 | }; | |
632 | ||
633 | int Objecter::_normalize_watch_error(int r) | |
634 | { | |
635 | // translate ENOENT -> ENOTCONN so that a delete->disconnection | |
636 | // notification and a failure to reconnect because we raced with | |
637 | // the delete appear the same to the user. | |
638 | if (r == -ENOENT) | |
639 | r = -ENOTCONN; | |
640 | return r; | |
641 | } | |
642 | ||
643 | void Objecter::_linger_reconnect(LingerOp *info, int r) | |
644 | { | |
645 | ldout(cct, 10) << __func__ << " " << info->linger_id << " = " << r | |
646 | << " (last_error " << info->last_error << ")" << dendl; | |
647 | if (r < 0) { | |
648 | LingerOp::unique_lock wl(info->watch_lock); | |
649 | if (!info->last_error) { | |
650 | r = _normalize_watch_error(r); | |
651 | info->last_error = r; | |
652 | if (info->watch_context) { | |
653 | finisher->queue(new C_DoWatchError(this, info, r)); | |
654 | } | |
655 | } | |
656 | wl.unlock(); | |
657 | } | |
658 | } | |
659 | ||
660 | void Objecter::_send_linger_ping(LingerOp *info) | |
661 | { | |
662 | // rwlock is locked unique | |
663 | // info->session->lock is locked | |
664 | ||
665 | if (cct->_conf->objecter_inject_no_watch_ping) { | |
666 | ldout(cct, 10) << __func__ << " " << info->linger_id << " SKIPPING" | |
667 | << dendl; | |
668 | return; | |
669 | } | |
670 | if (osdmap->test_flag(CEPH_OSDMAP_PAUSERD)) { | |
671 | ldout(cct, 10) << __func__ << " PAUSERD" << dendl; | |
672 | return; | |
673 | } | |
674 | ||
675 | ceph::coarse_mono_time now = ceph::coarse_mono_clock::now(); | |
676 | ldout(cct, 10) << __func__ << " " << info->linger_id << " now " << now | |
677 | << dendl; | |
678 | ||
679 | vector<OSDOp> opv(1); | |
680 | opv[0].op.op = CEPH_OSD_OP_WATCH; | |
681 | opv[0].op.watch.cookie = info->get_cookie(); | |
682 | opv[0].op.watch.op = CEPH_OSD_WATCH_OP_PING; | |
683 | opv[0].op.watch.gen = info->register_gen; | |
684 | C_Linger_Ping *onack = new C_Linger_Ping(this, info); | |
685 | Op *o = new Op(info->target.base_oid, info->target.base_oloc, | |
686 | opv, info->target.flags | CEPH_OSD_FLAG_READ, | |
687 | onack, NULL, NULL); | |
688 | o->target = info->target; | |
689 | o->should_resend = false; | |
690 | _send_op_account(o); | |
691 | o->tid = ++last_tid; | |
692 | _session_op_assign(info->session, o); | |
693 | _send_op(o); | |
694 | info->ping_tid = o->tid; | |
695 | ||
696 | onack->sent = now; | |
697 | logger->inc(l_osdc_linger_ping); | |
698 | } | |
699 | ||
700 | void Objecter::_linger_ping(LingerOp *info, int r, ceph::coarse_mono_time sent, | |
701 | uint32_t register_gen) | |
702 | { | |
703 | LingerOp::unique_lock l(info->watch_lock); | |
704 | ldout(cct, 10) << __func__ << " " << info->linger_id | |
705 | << " sent " << sent << " gen " << register_gen << " = " << r | |
706 | << " (last_error " << info->last_error | |
707 | << " register_gen " << info->register_gen << ")" << dendl; | |
708 | if (info->register_gen == register_gen) { | |
709 | if (r == 0) { | |
710 | info->watch_valid_thru = sent; | |
711 | } else if (r < 0 && !info->last_error) { | |
712 | r = _normalize_watch_error(r); | |
713 | info->last_error = r; | |
714 | if (info->watch_context) { | |
715 | finisher->queue(new C_DoWatchError(this, info, r)); | |
716 | } | |
717 | } | |
718 | } else { | |
719 | ldout(cct, 20) << " ignoring old gen" << dendl; | |
720 | } | |
721 | } | |
722 | ||
723 | int Objecter::linger_check(LingerOp *info) | |
724 | { | |
725 | LingerOp::shared_lock l(info->watch_lock); | |
726 | ||
727 | ceph::coarse_mono_time stamp = info->watch_valid_thru; | |
728 | if (!info->watch_pending_async.empty()) | |
729 | stamp = std::min(info->watch_valid_thru, info->watch_pending_async.front()); | |
730 | auto age = ceph::coarse_mono_clock::now() - stamp; | |
731 | ||
732 | ldout(cct, 10) << __func__ << " " << info->linger_id | |
733 | << " err " << info->last_error | |
734 | << " age " << age << dendl; | |
735 | if (info->last_error) | |
736 | return info->last_error; | |
737 | // return a safe upper bound (we are truncating to ms) | |
738 | return | |
739 | 1 + std::chrono::duration_cast<std::chrono::milliseconds>(age).count(); | |
740 | } | |
741 | ||
742 | void Objecter::linger_cancel(LingerOp *info) | |
743 | { | |
744 | unique_lock wl(rwlock); | |
745 | _linger_cancel(info); | |
746 | info->put(); | |
747 | } | |
748 | ||
749 | void Objecter::_linger_cancel(LingerOp *info) | |
750 | { | |
751 | // rwlock is locked unique | |
752 | ldout(cct, 20) << __func__ << " linger_id=" << info->linger_id << dendl; | |
753 | if (!info->canceled) { | |
754 | OSDSession *s = info->session; | |
755 | OSDSession::unique_lock sl(s->lock); | |
756 | _session_linger_op_remove(s, info); | |
757 | sl.unlock(); | |
758 | ||
759 | linger_ops.erase(info->linger_id); | |
760 | linger_ops_set.erase(info); | |
761 | ceph_assert(linger_ops.size() == linger_ops_set.size()); | |
762 | ||
763 | info->canceled = true; | |
764 | info->put(); | |
765 | ||
766 | logger->dec(l_osdc_linger_active); | |
767 | } | |
768 | } | |
769 | ||
770 | ||
771 | ||
772 | Objecter::LingerOp *Objecter::linger_register(const object_t& oid, | |
773 | const object_locator_t& oloc, | |
774 | int flags) | |
775 | { | |
776 | LingerOp *info = new LingerOp(this); | |
777 | info->target.base_oid = oid; | |
778 | info->target.base_oloc = oloc; | |
779 | if (info->target.base_oloc.key == oid) | |
780 | info->target.base_oloc.key.clear(); | |
781 | info->target.flags = flags; | |
782 | info->watch_valid_thru = ceph::coarse_mono_clock::now(); | |
783 | ||
784 | unique_lock l(rwlock); | |
785 | ||
786 | // Acquire linger ID | |
787 | info->linger_id = ++max_linger_id; | |
788 | ldout(cct, 10) << __func__ << " info " << info | |
789 | << " linger_id " << info->linger_id | |
790 | << " cookie " << info->get_cookie() | |
791 | << dendl; | |
792 | linger_ops[info->linger_id] = info; | |
793 | linger_ops_set.insert(info); | |
794 | ceph_assert(linger_ops.size() == linger_ops_set.size()); | |
795 | ||
796 | info->get(); // for the caller | |
797 | return info; | |
798 | } | |
799 | ||
800 | ceph_tid_t Objecter::linger_watch(LingerOp *info, | |
801 | ObjectOperation& op, | |
802 | const SnapContext& snapc, | |
803 | real_time mtime, | |
804 | bufferlist& inbl, | |
805 | Context *oncommit, | |
806 | version_t *objver) | |
807 | { | |
808 | info->is_watch = true; | |
809 | info->snapc = snapc; | |
810 | info->mtime = mtime; | |
811 | info->target.flags |= CEPH_OSD_FLAG_WRITE; | |
812 | info->ops = op.ops; | |
813 | info->inbl = inbl; | |
814 | info->poutbl = NULL; | |
815 | info->pobjver = objver; | |
816 | info->on_reg_commit = oncommit; | |
817 | ||
818 | info->ctx_budget = take_linger_budget(info); | |
819 | ||
820 | shunique_lock sul(rwlock, ceph::acquire_unique); | |
821 | _linger_submit(info, sul); | |
822 | logger->inc(l_osdc_linger_active); | |
823 | ||
824 | return info->linger_id; | |
825 | } | |
826 | ||
827 | ceph_tid_t Objecter::linger_notify(LingerOp *info, | |
828 | ObjectOperation& op, | |
829 | snapid_t snap, bufferlist& inbl, | |
830 | bufferlist *poutbl, | |
831 | Context *onfinish, | |
832 | version_t *objver) | |
833 | { | |
834 | info->snap = snap; | |
835 | info->target.flags |= CEPH_OSD_FLAG_READ; | |
836 | info->ops = op.ops; | |
837 | info->inbl = inbl; | |
838 | info->poutbl = poutbl; | |
839 | info->pobjver = objver; | |
840 | info->on_reg_commit = onfinish; | |
841 | ||
842 | info->ctx_budget = take_linger_budget(info); | |
843 | ||
844 | shunique_lock sul(rwlock, ceph::acquire_unique); | |
845 | _linger_submit(info, sul); | |
846 | logger->inc(l_osdc_linger_active); | |
847 | ||
848 | return info->linger_id; | |
849 | } | |
850 | ||
851 | void Objecter::_linger_submit(LingerOp *info, shunique_lock& sul) | |
852 | { | |
853 | ceph_assert(sul.owns_lock() && sul.mutex() == &rwlock); | |
854 | ceph_assert(info->linger_id); | |
855 | ceph_assert(info->ctx_budget != -1); // caller needs to have taken budget already! | |
856 | ||
857 | // Populate Op::target | |
858 | OSDSession *s = NULL; | |
859 | _calc_target(&info->target, nullptr); | |
860 | ||
861 | // Create LingerOp<->OSDSession relation | |
862 | int r = _get_session(info->target.osd, &s, sul); | |
863 | ceph_assert(r == 0); | |
864 | OSDSession::unique_lock sl(s->lock); | |
865 | _session_linger_op_assign(s, info); | |
866 | sl.unlock(); | |
867 | put_session(s); | |
868 | ||
869 | _send_linger(info, sul); | |
870 | } | |
871 | ||
872 | struct C_DoWatchNotify : public Context { | |
873 | Objecter *objecter; | |
874 | Objecter::LingerOp *info; | |
875 | MWatchNotify *msg; | |
876 | C_DoWatchNotify(Objecter *o, Objecter::LingerOp *i, MWatchNotify *m) | |
877 | : objecter(o), info(i), msg(m) { | |
878 | info->get(); | |
879 | info->_queued_async(); | |
880 | msg->get(); | |
881 | } | |
882 | void finish(int r) override { | |
883 | objecter->_do_watch_notify(info, msg); | |
884 | } | |
885 | }; | |
886 | ||
887 | void Objecter::handle_watch_notify(MWatchNotify *m) | |
888 | { | |
889 | shared_lock l(rwlock); | |
890 | if (!initialized) { | |
891 | return; | |
892 | } | |
893 | ||
894 | LingerOp *info = reinterpret_cast<LingerOp*>(m->cookie); | |
895 | if (linger_ops_set.count(info) == 0) { | |
896 | ldout(cct, 7) << __func__ << " cookie " << m->cookie << " dne" << dendl; | |
897 | return; | |
898 | } | |
899 | LingerOp::unique_lock wl(info->watch_lock); | |
900 | if (m->opcode == CEPH_WATCH_EVENT_DISCONNECT) { | |
901 | if (!info->last_error) { | |
902 | info->last_error = -ENOTCONN; | |
903 | if (info->watch_context) { | |
904 | finisher->queue(new C_DoWatchError(this, info, -ENOTCONN)); | |
905 | } | |
906 | } | |
907 | } else if (!info->is_watch) { | |
908 | // we have CEPH_WATCH_EVENT_NOTIFY_COMPLETE; we can do this inline | |
909 | // since we know the only user (librados) is safe to call in | |
910 | // fast-dispatch context | |
911 | if (info->notify_id && | |
912 | info->notify_id != m->notify_id) { | |
913 | ldout(cct, 10) << __func__ << " reply notify " << m->notify_id | |
914 | << " != " << info->notify_id << ", ignoring" << dendl; | |
915 | } else if (info->on_notify_finish) { | |
916 | info->notify_result_bl->claim(m->get_data()); | |
917 | info->on_notify_finish->complete(m->return_code); | |
918 | ||
919 | // if we race with reconnect we might get a second notify; only | |
920 | // notify the caller once! | |
921 | info->on_notify_finish = NULL; | |
922 | } | |
923 | } else { | |
924 | finisher->queue(new C_DoWatchNotify(this, info, m)); | |
925 | } | |
926 | } | |
927 | ||
928 | void Objecter::_do_watch_notify(LingerOp *info, MWatchNotify *m) | |
929 | { | |
930 | ldout(cct, 10) << __func__ << " " << *m << dendl; | |
931 | ||
932 | shared_lock l(rwlock); | |
933 | ceph_assert(initialized); | |
934 | ||
935 | if (info->canceled) { | |
936 | l.unlock(); | |
937 | goto out; | |
938 | } | |
939 | ||
940 | // notify completion? | |
941 | ceph_assert(info->is_watch); | |
942 | ceph_assert(info->watch_context); | |
943 | ceph_assert(m->opcode != CEPH_WATCH_EVENT_DISCONNECT); | |
944 | ||
945 | l.unlock(); | |
946 | ||
947 | switch (m->opcode) { | |
948 | case CEPH_WATCH_EVENT_NOTIFY: | |
949 | info->watch_context->handle_notify(m->notify_id, m->cookie, | |
950 | m->notifier_gid, m->bl); | |
951 | break; | |
952 | } | |
953 | ||
954 | out: | |
955 | info->finished_async(); | |
956 | info->put(); | |
957 | m->put(); | |
958 | } | |
959 | ||
960 | bool Objecter::ms_dispatch(Message *m) | |
961 | { | |
962 | ldout(cct, 10) << __func__ << " " << cct << " " << *m << dendl; | |
963 | switch (m->get_type()) { | |
964 | // these we exlusively handle | |
965 | case CEPH_MSG_OSD_OPREPLY: | |
966 | handle_osd_op_reply(static_cast<MOSDOpReply*>(m)); | |
967 | return true; | |
968 | ||
969 | case CEPH_MSG_OSD_BACKOFF: | |
970 | handle_osd_backoff(static_cast<MOSDBackoff*>(m)); | |
971 | return true; | |
972 | ||
973 | case CEPH_MSG_WATCH_NOTIFY: | |
974 | handle_watch_notify(static_cast<MWatchNotify*>(m)); | |
975 | m->put(); | |
976 | return true; | |
977 | ||
978 | case MSG_COMMAND_REPLY: | |
979 | if (m->get_source().type() == CEPH_ENTITY_TYPE_OSD) { | |
980 | handle_command_reply(static_cast<MCommandReply*>(m)); | |
981 | return true; | |
982 | } else { | |
983 | return false; | |
984 | } | |
985 | ||
986 | case MSG_GETPOOLSTATSREPLY: | |
987 | handle_get_pool_stats_reply(static_cast<MGetPoolStatsReply*>(m)); | |
988 | return true; | |
989 | ||
990 | case CEPH_MSG_POOLOP_REPLY: | |
991 | handle_pool_op_reply(static_cast<MPoolOpReply*>(m)); | |
992 | return true; | |
993 | ||
994 | case CEPH_MSG_STATFS_REPLY: | |
995 | handle_fs_stats_reply(static_cast<MStatfsReply*>(m)); | |
996 | return true; | |
997 | ||
998 | // these we give others a chance to inspect | |
999 | ||
1000 | // MDS, OSD | |
1001 | case CEPH_MSG_OSD_MAP: | |
1002 | handle_osd_map(static_cast<MOSDMap*>(m)); | |
1003 | return false; | |
1004 | } | |
1005 | return false; | |
1006 | } | |
1007 | ||
1008 | void Objecter::_scan_requests( | |
1009 | OSDSession *s, | |
1010 | bool skipped_map, | |
1011 | bool cluster_full, | |
1012 | map<int64_t, bool> *pool_full_map, | |
1013 | map<ceph_tid_t, Op*>& need_resend, | |
1014 | list<LingerOp*>& need_resend_linger, | |
1015 | map<ceph_tid_t, CommandOp*>& need_resend_command, | |
1016 | shunique_lock& sul, | |
1017 | const mempool::osdmap::map<int64_t,OSDMap::snap_interval_set_t> *gap_removed_snaps) | |
1018 | { | |
1019 | ceph_assert(sul.owns_lock() && sul.mutex() == &rwlock); | |
1020 | ||
1021 | list<LingerOp*> unregister_lingers; | |
1022 | ||
1023 | OSDSession::unique_lock sl(s->lock); | |
1024 | ||
1025 | // check for changed linger mappings (_before_ regular ops) | |
1026 | map<ceph_tid_t,LingerOp*>::iterator lp = s->linger_ops.begin(); | |
1027 | while (lp != s->linger_ops.end()) { | |
1028 | LingerOp *op = lp->second; | |
1029 | ceph_assert(op->session == s); | |
1030 | // check_linger_pool_dne() may touch linger_ops; prevent iterator | |
1031 | // invalidation | |
1032 | ++lp; | |
1033 | ldout(cct, 10) << " checking linger op " << op->linger_id << dendl; | |
1034 | bool unregister, force_resend_writes = cluster_full; | |
1035 | int r = _recalc_linger_op_target(op, sul); | |
1036 | if (pool_full_map) | |
1037 | force_resend_writes = force_resend_writes || | |
1038 | (*pool_full_map)[op->target.base_oloc.pool]; | |
1039 | switch (r) { | |
1040 | case RECALC_OP_TARGET_NO_ACTION: | |
1041 | if (!skipped_map && !force_resend_writes) | |
1042 | break; | |
1043 | // -- fall-thru -- | |
1044 | case RECALC_OP_TARGET_NEED_RESEND: | |
1045 | need_resend_linger.push_back(op); | |
1046 | _linger_cancel_map_check(op); | |
1047 | break; | |
1048 | case RECALC_OP_TARGET_POOL_DNE: | |
1049 | _check_linger_pool_dne(op, &unregister); | |
1050 | if (unregister) { | |
1051 | ldout(cct, 10) << " need to unregister linger op " | |
1052 | << op->linger_id << dendl; | |
1053 | op->get(); | |
1054 | unregister_lingers.push_back(op); | |
1055 | } | |
1056 | break; | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | // check for changed request mappings | |
1061 | map<ceph_tid_t,Op*>::iterator p = s->ops.begin(); | |
1062 | while (p != s->ops.end()) { | |
1063 | Op *op = p->second; | |
1064 | ++p; // check_op_pool_dne() may touch ops; prevent iterator invalidation | |
1065 | ldout(cct, 10) << " checking op " << op->tid << dendl; | |
1066 | _prune_snapc(osdmap->get_new_removed_snaps(), op); | |
1067 | if (skipped_map) { | |
1068 | _prune_snapc(*gap_removed_snaps, op); | |
1069 | } | |
1070 | bool force_resend_writes = cluster_full; | |
1071 | if (pool_full_map) | |
1072 | force_resend_writes = force_resend_writes || | |
1073 | (*pool_full_map)[op->target.base_oloc.pool]; | |
1074 | int r = _calc_target(&op->target, | |
1075 | op->session ? op->session->con.get() : nullptr); | |
1076 | switch (r) { | |
1077 | case RECALC_OP_TARGET_NO_ACTION: | |
1078 | if (!skipped_map && !(force_resend_writes && op->respects_full())) | |
1079 | break; | |
1080 | // -- fall-thru -- | |
1081 | case RECALC_OP_TARGET_NEED_RESEND: | |
1082 | _session_op_remove(op->session, op); | |
1083 | need_resend[op->tid] = op; | |
1084 | _op_cancel_map_check(op); | |
1085 | break; | |
1086 | case RECALC_OP_TARGET_POOL_DNE: | |
1087 | _check_op_pool_dne(op, &sl); | |
1088 | break; | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | // commands | |
1093 | map<ceph_tid_t,CommandOp*>::iterator cp = s->command_ops.begin(); | |
1094 | while (cp != s->command_ops.end()) { | |
1095 | CommandOp *c = cp->second; | |
1096 | ++cp; | |
1097 | ldout(cct, 10) << " checking command " << c->tid << dendl; | |
1098 | bool force_resend_writes = cluster_full; | |
1099 | if (pool_full_map) | |
1100 | force_resend_writes = force_resend_writes || | |
1101 | (*pool_full_map)[c->target_pg.pool()]; | |
1102 | int r = _calc_command_target(c, sul); | |
1103 | switch (r) { | |
1104 | case RECALC_OP_TARGET_NO_ACTION: | |
1105 | // resend if skipped map; otherwise do nothing. | |
1106 | if (!skipped_map && !force_resend_writes) | |
1107 | break; | |
1108 | // -- fall-thru -- | |
1109 | case RECALC_OP_TARGET_NEED_RESEND: | |
1110 | need_resend_command[c->tid] = c; | |
1111 | _session_command_op_remove(c->session, c); | |
1112 | _command_cancel_map_check(c); | |
1113 | break; | |
1114 | case RECALC_OP_TARGET_POOL_DNE: | |
1115 | case RECALC_OP_TARGET_OSD_DNE: | |
1116 | case RECALC_OP_TARGET_OSD_DOWN: | |
1117 | _check_command_map_dne(c); | |
1118 | break; | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | sl.unlock(); | |
1123 | ||
1124 | for (list<LingerOp*>::iterator iter = unregister_lingers.begin(); | |
1125 | iter != unregister_lingers.end(); | |
1126 | ++iter) { | |
1127 | _linger_cancel(*iter); | |
1128 | (*iter)->put(); | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | void Objecter::handle_osd_map(MOSDMap *m) | |
1133 | { | |
1134 | shunique_lock sul(rwlock, acquire_unique); | |
1135 | if (!initialized) | |
1136 | return; | |
1137 | ||
1138 | ceph_assert(osdmap); | |
1139 | ||
1140 | if (m->fsid != monc->get_fsid()) { | |
1141 | ldout(cct, 0) << "handle_osd_map fsid " << m->fsid | |
1142 | << " != " << monc->get_fsid() << dendl; | |
1143 | return; | |
1144 | } | |
1145 | ||
1146 | bool was_pauserd = osdmap->test_flag(CEPH_OSDMAP_PAUSERD); | |
1147 | bool cluster_full = _osdmap_full_flag(); | |
1148 | bool was_pausewr = osdmap->test_flag(CEPH_OSDMAP_PAUSEWR) || cluster_full || | |
1149 | _osdmap_has_pool_full(); | |
1150 | map<int64_t, bool> pool_full_map; | |
1151 | for (map<int64_t, pg_pool_t>::const_iterator it | |
1152 | = osdmap->get_pools().begin(); | |
1153 | it != osdmap->get_pools().end(); ++it) | |
1154 | pool_full_map[it->first] = _osdmap_pool_full(it->second); | |
1155 | ||
1156 | ||
1157 | list<LingerOp*> need_resend_linger; | |
1158 | map<ceph_tid_t, Op*> need_resend; | |
1159 | map<ceph_tid_t, CommandOp*> need_resend_command; | |
1160 | ||
1161 | if (m->get_last() <= osdmap->get_epoch()) { | |
1162 | ldout(cct, 3) << "handle_osd_map ignoring epochs [" | |
1163 | << m->get_first() << "," << m->get_last() | |
1164 | << "] <= " << osdmap->get_epoch() << dendl; | |
1165 | } else { | |
1166 | ldout(cct, 3) << "handle_osd_map got epochs [" | |
1167 | << m->get_first() << "," << m->get_last() | |
1168 | << "] > " << osdmap->get_epoch() << dendl; | |
1169 | ||
1170 | if (osdmap->get_epoch()) { | |
1171 | bool skipped_map = false; | |
1172 | // we want incrementals | |
1173 | for (epoch_t e = osdmap->get_epoch() + 1; | |
1174 | e <= m->get_last(); | |
1175 | e++) { | |
1176 | ||
1177 | if (osdmap->get_epoch() == e-1 && | |
1178 | m->incremental_maps.count(e)) { | |
1179 | ldout(cct, 3) << "handle_osd_map decoding incremental epoch " << e | |
1180 | << dendl; | |
1181 | OSDMap::Incremental inc(m->incremental_maps[e]); | |
1182 | osdmap->apply_incremental(inc); | |
1183 | ||
1184 | emit_blacklist_events(inc); | |
1185 | ||
1186 | logger->inc(l_osdc_map_inc); | |
1187 | } | |
1188 | else if (m->maps.count(e)) { | |
1189 | ldout(cct, 3) << "handle_osd_map decoding full epoch " << e << dendl; | |
1190 | OSDMap *new_osdmap = new OSDMap(); | |
1191 | new_osdmap->decode(m->maps[e]); | |
1192 | ||
1193 | emit_blacklist_events(*osdmap, *new_osdmap); | |
1194 | ||
1195 | osdmap = new_osdmap; | |
1196 | ||
1197 | logger->inc(l_osdc_map_full); | |
1198 | } | |
1199 | else { | |
1200 | if (e >= m->get_oldest()) { | |
1201 | ldout(cct, 3) << "handle_osd_map requesting missing epoch " | |
1202 | << osdmap->get_epoch()+1 << dendl; | |
1203 | _maybe_request_map(); | |
1204 | break; | |
1205 | } | |
1206 | ldout(cct, 3) << "handle_osd_map missing epoch " | |
1207 | << osdmap->get_epoch()+1 | |
1208 | << ", jumping to " << m->get_oldest() << dendl; | |
1209 | e = m->get_oldest() - 1; | |
1210 | skipped_map = true; | |
1211 | continue; | |
1212 | } | |
1213 | logger->set(l_osdc_map_epoch, osdmap->get_epoch()); | |
1214 | ||
1215 | cluster_full = cluster_full || _osdmap_full_flag(); | |
1216 | update_pool_full_map(pool_full_map); | |
1217 | ||
1218 | // check all outstanding requests on every epoch | |
1219 | for (auto& i : need_resend) { | |
1220 | _prune_snapc(osdmap->get_new_removed_snaps(), i.second); | |
1221 | if (skipped_map) { | |
1222 | _prune_snapc(m->gap_removed_snaps, i.second); | |
1223 | } | |
1224 | } | |
1225 | _scan_requests(homeless_session, skipped_map, cluster_full, | |
1226 | &pool_full_map, need_resend, | |
1227 | need_resend_linger, need_resend_command, sul, | |
1228 | &m->gap_removed_snaps); | |
1229 | for (map<int,OSDSession*>::iterator p = osd_sessions.begin(); | |
1230 | p != osd_sessions.end(); ) { | |
1231 | OSDSession *s = p->second; | |
1232 | _scan_requests(s, skipped_map, cluster_full, | |
1233 | &pool_full_map, need_resend, | |
1234 | need_resend_linger, need_resend_command, sul, | |
1235 | &m->gap_removed_snaps); | |
1236 | ++p; | |
1237 | // osd down or addr change? | |
1238 | if (!osdmap->is_up(s->osd) || | |
1239 | (s->con && | |
1240 | s->con->get_peer_addrs() != osdmap->get_addrs(s->osd))) { | |
1241 | close_session(s); | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | ceph_assert(e == osdmap->get_epoch()); | |
1246 | } | |
1247 | ||
1248 | } else { | |
1249 | // first map. we want the full thing. | |
1250 | if (m->maps.count(m->get_last())) { | |
1251 | for (map<int,OSDSession*>::iterator p = osd_sessions.begin(); | |
1252 | p != osd_sessions.end(); ++p) { | |
1253 | OSDSession *s = p->second; | |
1254 | _scan_requests(s, false, false, NULL, need_resend, | |
1255 | need_resend_linger, need_resend_command, sul, | |
1256 | nullptr); | |
1257 | } | |
1258 | ldout(cct, 3) << "handle_osd_map decoding full epoch " | |
1259 | << m->get_last() << dendl; | |
1260 | osdmap->decode(m->maps[m->get_last()]); | |
1261 | ||
1262 | _scan_requests(homeless_session, false, false, NULL, | |
1263 | need_resend, need_resend_linger, | |
1264 | need_resend_command, sul, nullptr); | |
1265 | } else { | |
1266 | ldout(cct, 3) << "handle_osd_map hmm, i want a full map, requesting" | |
1267 | << dendl; | |
1268 | monc->sub_want("osdmap", 0, CEPH_SUBSCRIBE_ONETIME); | |
1269 | monc->renew_subs(); | |
1270 | } | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | // make sure need_resend targets reflect latest map | |
1275 | for (auto p = need_resend.begin(); p != need_resend.end(); ) { | |
1276 | Op *op = p->second; | |
1277 | if (op->target.epoch < osdmap->get_epoch()) { | |
1278 | ldout(cct, 10) << __func__ << " checking op " << p->first << dendl; | |
1279 | int r = _calc_target(&op->target, nullptr); | |
1280 | if (r == RECALC_OP_TARGET_POOL_DNE) { | |
1281 | p = need_resend.erase(p); | |
1282 | _check_op_pool_dne(op, nullptr); | |
1283 | } else { | |
1284 | ++p; | |
1285 | } | |
1286 | } else { | |
1287 | ++p; | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | bool pauserd = osdmap->test_flag(CEPH_OSDMAP_PAUSERD); | |
1292 | bool pausewr = osdmap->test_flag(CEPH_OSDMAP_PAUSEWR) || _osdmap_full_flag() | |
1293 | || _osdmap_has_pool_full(); | |
1294 | ||
1295 | // was/is paused? | |
1296 | if (was_pauserd || was_pausewr || pauserd || pausewr || | |
1297 | osdmap->get_epoch() < epoch_barrier) { | |
1298 | _maybe_request_map(); | |
1299 | } | |
1300 | ||
1301 | // resend requests | |
1302 | for (map<ceph_tid_t, Op*>::iterator p = need_resend.begin(); | |
1303 | p != need_resend.end(); ++p) { | |
1304 | Op *op = p->second; | |
1305 | OSDSession *s = op->session; | |
1306 | bool mapped_session = false; | |
1307 | if (!s) { | |
1308 | int r = _map_session(&op->target, &s, sul); | |
1309 | ceph_assert(r == 0); | |
1310 | mapped_session = true; | |
1311 | } else { | |
1312 | get_session(s); | |
1313 | } | |
1314 | OSDSession::unique_lock sl(s->lock); | |
1315 | if (mapped_session) { | |
1316 | _session_op_assign(s, op); | |
1317 | } | |
1318 | if (op->should_resend) { | |
1319 | if (!op->session->is_homeless() && !op->target.paused) { | |
1320 | logger->inc(l_osdc_op_resend); | |
1321 | _send_op(op); | |
1322 | } | |
1323 | } else { | |
1324 | _op_cancel_map_check(op); | |
1325 | _cancel_linger_op(op); | |
1326 | } | |
1327 | sl.unlock(); | |
1328 | put_session(s); | |
1329 | } | |
1330 | for (list<LingerOp*>::iterator p = need_resend_linger.begin(); | |
1331 | p != need_resend_linger.end(); ++p) { | |
1332 | LingerOp *op = *p; | |
1333 | ceph_assert(op->session); | |
1334 | if (!op->session->is_homeless()) { | |
1335 | logger->inc(l_osdc_linger_resend); | |
1336 | _send_linger(op, sul); | |
1337 | } | |
1338 | } | |
1339 | for (map<ceph_tid_t,CommandOp*>::iterator p = need_resend_command.begin(); | |
1340 | p != need_resend_command.end(); ++p) { | |
1341 | CommandOp *c = p->second; | |
1342 | if (c->target.osd >= 0) { | |
1343 | _assign_command_session(c, sul); | |
1344 | if (c->session && !c->session->is_homeless()) { | |
1345 | _send_command(c); | |
1346 | } | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | _dump_active(); | |
1351 | ||
1352 | // finish any Contexts that were waiting on a map update | |
1353 | map<epoch_t,list< pair< Context*, int > > >::iterator p = | |
1354 | waiting_for_map.begin(); | |
1355 | while (p != waiting_for_map.end() && | |
1356 | p->first <= osdmap->get_epoch()) { | |
1357 | //go through the list and call the onfinish methods | |
1358 | for (list<pair<Context*, int> >::iterator i = p->second.begin(); | |
1359 | i != p->second.end(); ++i) { | |
1360 | i->first->complete(i->second); | |
1361 | } | |
1362 | waiting_for_map.erase(p++); | |
1363 | } | |
1364 | ||
1365 | monc->sub_got("osdmap", osdmap->get_epoch()); | |
1366 | ||
1367 | if (!waiting_for_map.empty()) { | |
1368 | _maybe_request_map(); | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | void Objecter::enable_blacklist_events() | |
1373 | { | |
1374 | unique_lock wl(rwlock); | |
1375 | ||
1376 | blacklist_events_enabled = true; | |
1377 | } | |
1378 | ||
1379 | void Objecter::consume_blacklist_events(std::set<entity_addr_t> *events) | |
1380 | { | |
1381 | unique_lock wl(rwlock); | |
1382 | ||
1383 | if (events->empty()) { | |
1384 | events->swap(blacklist_events); | |
1385 | } else { | |
1386 | for (const auto &i : blacklist_events) { | |
1387 | events->insert(i); | |
1388 | } | |
1389 | blacklist_events.clear(); | |
1390 | } | |
1391 | } | |
1392 | ||
1393 | void Objecter::emit_blacklist_events(const OSDMap::Incremental &inc) | |
1394 | { | |
1395 | if (!blacklist_events_enabled) { | |
1396 | return; | |
1397 | } | |
1398 | ||
1399 | for (const auto &i : inc.new_blacklist) { | |
1400 | blacklist_events.insert(i.first); | |
1401 | } | |
1402 | } | |
1403 | ||
1404 | void Objecter::emit_blacklist_events(const OSDMap &old_osd_map, | |
1405 | const OSDMap &new_osd_map) | |
1406 | { | |
1407 | if (!blacklist_events_enabled) { | |
1408 | return; | |
1409 | } | |
1410 | ||
1411 | std::set<entity_addr_t> old_set; | |
1412 | std::set<entity_addr_t> new_set; | |
1413 | ||
1414 | old_osd_map.get_blacklist(&old_set); | |
1415 | new_osd_map.get_blacklist(&new_set); | |
1416 | ||
1417 | std::set<entity_addr_t> delta_set; | |
1418 | std::set_difference( | |
1419 | new_set.begin(), new_set.end(), old_set.begin(), old_set.end(), | |
1420 | std::inserter(delta_set, delta_set.begin())); | |
1421 | blacklist_events.insert(delta_set.begin(), delta_set.end()); | |
1422 | } | |
1423 | ||
1424 | // op pool check | |
1425 | ||
1426 | void Objecter::C_Op_Map_Latest::finish(int r) | |
1427 | { | |
1428 | if (r == -EAGAIN || r == -ECANCELED) | |
1429 | return; | |
1430 | ||
1431 | lgeneric_subdout(objecter->cct, objecter, 10) | |
1432 | << "op_map_latest r=" << r << " tid=" << tid | |
1433 | << " latest " << latest << dendl; | |
1434 | ||
1435 | Objecter::unique_lock wl(objecter->rwlock); | |
1436 | ||
1437 | map<ceph_tid_t, Op*>::iterator iter = | |
1438 | objecter->check_latest_map_ops.find(tid); | |
1439 | if (iter == objecter->check_latest_map_ops.end()) { | |
1440 | lgeneric_subdout(objecter->cct, objecter, 10) | |
1441 | << "op_map_latest op "<< tid << " not found" << dendl; | |
1442 | return; | |
1443 | } | |
1444 | ||
1445 | Op *op = iter->second; | |
1446 | objecter->check_latest_map_ops.erase(iter); | |
1447 | ||
1448 | lgeneric_subdout(objecter->cct, objecter, 20) | |
1449 | << "op_map_latest op "<< op << dendl; | |
1450 | ||
1451 | if (op->map_dne_bound == 0) | |
1452 | op->map_dne_bound = latest; | |
1453 | ||
1454 | OSDSession::unique_lock sl(op->session->lock, defer_lock); | |
1455 | objecter->_check_op_pool_dne(op, &sl); | |
1456 | ||
1457 | op->put(); | |
1458 | } | |
1459 | ||
1460 | int Objecter::pool_snap_by_name(int64_t poolid, const char *snap_name, | |
1461 | snapid_t *snap) const | |
1462 | { | |
1463 | shared_lock rl(rwlock); | |
1464 | ||
1465 | auto& pools = osdmap->get_pools(); | |
1466 | auto iter = pools.find(poolid); | |
1467 | if (iter == pools.end()) { | |
1468 | return -ENOENT; | |
1469 | } | |
1470 | const pg_pool_t& pg_pool = iter->second; | |
1471 | for (auto p = pg_pool.snaps.begin(); | |
1472 | p != pg_pool.snaps.end(); | |
1473 | ++p) { | |
1474 | if (p->second.name == snap_name) { | |
1475 | *snap = p->first; | |
1476 | return 0; | |
1477 | } | |
1478 | } | |
1479 | return -ENOENT; | |
1480 | } | |
1481 | ||
1482 | int Objecter::pool_snap_get_info(int64_t poolid, snapid_t snap, | |
1483 | pool_snap_info_t *info) const | |
1484 | { | |
1485 | shared_lock rl(rwlock); | |
1486 | ||
1487 | auto& pools = osdmap->get_pools(); | |
1488 | auto iter = pools.find(poolid); | |
1489 | if (iter == pools.end()) { | |
1490 | return -ENOENT; | |
1491 | } | |
1492 | const pg_pool_t& pg_pool = iter->second; | |
1493 | auto p = pg_pool.snaps.find(snap); | |
1494 | if (p == pg_pool.snaps.end()) | |
1495 | return -ENOENT; | |
1496 | *info = p->second; | |
1497 | ||
1498 | return 0; | |
1499 | } | |
1500 | ||
1501 | int Objecter::pool_snap_list(int64_t poolid, vector<uint64_t> *snaps) | |
1502 | { | |
1503 | shared_lock rl(rwlock); | |
1504 | ||
1505 | const pg_pool_t *pi = osdmap->get_pg_pool(poolid); | |
1506 | if (!pi) | |
1507 | return -ENOENT; | |
1508 | for (map<snapid_t,pool_snap_info_t>::const_iterator p = pi->snaps.begin(); | |
1509 | p != pi->snaps.end(); | |
1510 | ++p) { | |
1511 | snaps->push_back(p->first); | |
1512 | } | |
1513 | return 0; | |
1514 | } | |
1515 | ||
1516 | // sl may be unlocked. | |
1517 | void Objecter::_check_op_pool_dne(Op *op, unique_lock *sl) | |
1518 | { | |
1519 | // rwlock is locked unique | |
1520 | ||
1521 | if (op->target.pool_ever_existed) { | |
1522 | // the pool previously existed and now it does not, which means it | |
1523 | // was deleted. | |
1524 | op->map_dne_bound = osdmap->get_epoch(); | |
1525 | ldout(cct, 10) << "check_op_pool_dne tid " << op->tid | |
1526 | << " pool previously exists but now does not" | |
1527 | << dendl; | |
1528 | } else { | |
1529 | ldout(cct, 10) << "check_op_pool_dne tid " << op->tid | |
1530 | << " current " << osdmap->get_epoch() | |
1531 | << " map_dne_bound " << op->map_dne_bound | |
1532 | << dendl; | |
1533 | } | |
1534 | if (op->map_dne_bound > 0) { | |
1535 | if (osdmap->get_epoch() >= op->map_dne_bound) { | |
1536 | // we had a new enough map | |
1537 | ldout(cct, 10) << "check_op_pool_dne tid " << op->tid | |
1538 | << " concluding pool " << op->target.base_pgid.pool() | |
1539 | << " dne" << dendl; | |
1540 | if (op->onfinish) { | |
1541 | num_in_flight--; | |
1542 | op->onfinish->complete(-ENOENT); | |
1543 | } | |
1544 | ||
1545 | OSDSession *s = op->session; | |
1546 | if (s) { | |
1547 | ceph_assert(s != NULL); | |
1548 | ceph_assert(sl->mutex() == &s->lock); | |
1549 | bool session_locked = sl->owns_lock(); | |
1550 | if (!session_locked) { | |
1551 | sl->lock(); | |
1552 | } | |
1553 | _finish_op(op, 0); | |
1554 | if (!session_locked) { | |
1555 | sl->unlock(); | |
1556 | } | |
1557 | } else { | |
1558 | _finish_op(op, 0); // no session | |
1559 | } | |
1560 | } | |
1561 | } else { | |
1562 | _send_op_map_check(op); | |
1563 | } | |
1564 | } | |
1565 | ||
1566 | void Objecter::_send_op_map_check(Op *op) | |
1567 | { | |
1568 | // rwlock is locked unique | |
1569 | // ask the monitor | |
1570 | if (check_latest_map_ops.count(op->tid) == 0) { | |
1571 | op->get(); | |
1572 | check_latest_map_ops[op->tid] = op; | |
1573 | C_Op_Map_Latest *c = new C_Op_Map_Latest(this, op->tid); | |
1574 | monc->get_version("osdmap", &c->latest, NULL, c); | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | void Objecter::_op_cancel_map_check(Op *op) | |
1579 | { | |
1580 | // rwlock is locked unique | |
1581 | map<ceph_tid_t, Op*>::iterator iter = | |
1582 | check_latest_map_ops.find(op->tid); | |
1583 | if (iter != check_latest_map_ops.end()) { | |
1584 | Op *op = iter->second; | |
1585 | op->put(); | |
1586 | check_latest_map_ops.erase(iter); | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | // linger pool check | |
1591 | ||
1592 | void Objecter::C_Linger_Map_Latest::finish(int r) | |
1593 | { | |
1594 | if (r == -EAGAIN || r == -ECANCELED) { | |
1595 | // ignore callback; we will retry in resend_mon_ops() | |
1596 | return; | |
1597 | } | |
1598 | ||
1599 | unique_lock wl(objecter->rwlock); | |
1600 | ||
1601 | map<uint64_t, LingerOp*>::iterator iter = | |
1602 | objecter->check_latest_map_lingers.find(linger_id); | |
1603 | if (iter == objecter->check_latest_map_lingers.end()) { | |
1604 | return; | |
1605 | } | |
1606 | ||
1607 | LingerOp *op = iter->second; | |
1608 | objecter->check_latest_map_lingers.erase(iter); | |
1609 | ||
1610 | if (op->map_dne_bound == 0) | |
1611 | op->map_dne_bound = latest; | |
1612 | ||
1613 | bool unregister; | |
1614 | objecter->_check_linger_pool_dne(op, &unregister); | |
1615 | ||
1616 | if (unregister) { | |
1617 | objecter->_linger_cancel(op); | |
1618 | } | |
1619 | ||
1620 | op->put(); | |
1621 | } | |
1622 | ||
1623 | void Objecter::_check_linger_pool_dne(LingerOp *op, bool *need_unregister) | |
1624 | { | |
1625 | // rwlock is locked unique | |
1626 | ||
1627 | *need_unregister = false; | |
1628 | ||
1629 | if (op->register_gen > 0) { | |
1630 | ldout(cct, 10) << "_check_linger_pool_dne linger_id " << op->linger_id | |
1631 | << " pool previously existed but now does not" | |
1632 | << dendl; | |
1633 | op->map_dne_bound = osdmap->get_epoch(); | |
1634 | } else { | |
1635 | ldout(cct, 10) << "_check_linger_pool_dne linger_id " << op->linger_id | |
1636 | << " current " << osdmap->get_epoch() | |
1637 | << " map_dne_bound " << op->map_dne_bound | |
1638 | << dendl; | |
1639 | } | |
1640 | if (op->map_dne_bound > 0) { | |
1641 | if (osdmap->get_epoch() >= op->map_dne_bound) { | |
1642 | LingerOp::unique_lock wl{op->watch_lock}; | |
1643 | if (op->on_reg_commit) { | |
1644 | op->on_reg_commit->complete(-ENOENT); | |
1645 | op->on_reg_commit = nullptr; | |
1646 | } | |
1647 | if (op->on_notify_finish) { | |
1648 | op->on_notify_finish->complete(-ENOENT); | |
1649 | op->on_notify_finish = nullptr; | |
1650 | } | |
1651 | *need_unregister = true; | |
1652 | } | |
1653 | } else { | |
1654 | _send_linger_map_check(op); | |
1655 | } | |
1656 | } | |
1657 | ||
1658 | void Objecter::_send_linger_map_check(LingerOp *op) | |
1659 | { | |
1660 | // ask the monitor | |
1661 | if (check_latest_map_lingers.count(op->linger_id) == 0) { | |
1662 | op->get(); | |
1663 | check_latest_map_lingers[op->linger_id] = op; | |
1664 | C_Linger_Map_Latest *c = new C_Linger_Map_Latest(this, op->linger_id); | |
1665 | monc->get_version("osdmap", &c->latest, NULL, c); | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | void Objecter::_linger_cancel_map_check(LingerOp *op) | |
1670 | { | |
1671 | // rwlock is locked unique | |
1672 | ||
1673 | map<uint64_t, LingerOp*>::iterator iter = | |
1674 | check_latest_map_lingers.find(op->linger_id); | |
1675 | if (iter != check_latest_map_lingers.end()) { | |
1676 | LingerOp *op = iter->second; | |
1677 | op->put(); | |
1678 | check_latest_map_lingers.erase(iter); | |
1679 | } | |
1680 | } | |
1681 | ||
1682 | // command pool check | |
1683 | ||
1684 | void Objecter::C_Command_Map_Latest::finish(int r) | |
1685 | { | |
1686 | if (r == -EAGAIN || r == -ECANCELED) { | |
1687 | // ignore callback; we will retry in resend_mon_ops() | |
1688 | return; | |
1689 | } | |
1690 | ||
1691 | unique_lock wl(objecter->rwlock); | |
1692 | ||
1693 | map<uint64_t, CommandOp*>::iterator iter = | |
1694 | objecter->check_latest_map_commands.find(tid); | |
1695 | if (iter == objecter->check_latest_map_commands.end()) { | |
1696 | return; | |
1697 | } | |
1698 | ||
1699 | CommandOp *c = iter->second; | |
1700 | objecter->check_latest_map_commands.erase(iter); | |
1701 | ||
1702 | if (c->map_dne_bound == 0) | |
1703 | c->map_dne_bound = latest; | |
1704 | ||
1705 | OSDSession::unique_lock sul(c->session->lock); | |
1706 | objecter->_check_command_map_dne(c); | |
1707 | sul.unlock(); | |
1708 | ||
1709 | c->put(); | |
1710 | } | |
1711 | ||
1712 | void Objecter::_check_command_map_dne(CommandOp *c) | |
1713 | { | |
1714 | // rwlock is locked unique | |
1715 | // session is locked unique | |
1716 | ||
1717 | ldout(cct, 10) << "_check_command_map_dne tid " << c->tid | |
1718 | << " current " << osdmap->get_epoch() | |
1719 | << " map_dne_bound " << c->map_dne_bound | |
1720 | << dendl; | |
1721 | if (c->map_dne_bound > 0) { | |
1722 | if (osdmap->get_epoch() >= c->map_dne_bound) { | |
1723 | _finish_command(c, c->map_check_error, c->map_check_error_str); | |
1724 | } | |
1725 | } else { | |
1726 | _send_command_map_check(c); | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | void Objecter::_send_command_map_check(CommandOp *c) | |
1731 | { | |
1732 | // rwlock is locked unique | |
1733 | // session is locked unique | |
1734 | ||
1735 | // ask the monitor | |
1736 | if (check_latest_map_commands.count(c->tid) == 0) { | |
1737 | c->get(); | |
1738 | check_latest_map_commands[c->tid] = c; | |
1739 | C_Command_Map_Latest *f = new C_Command_Map_Latest(this, c->tid); | |
1740 | monc->get_version("osdmap", &f->latest, NULL, f); | |
1741 | } | |
1742 | } | |
1743 | ||
1744 | void Objecter::_command_cancel_map_check(CommandOp *c) | |
1745 | { | |
1746 | // rwlock is locked uniqe | |
1747 | ||
1748 | map<uint64_t, CommandOp*>::iterator iter = | |
1749 | check_latest_map_commands.find(c->tid); | |
1750 | if (iter != check_latest_map_commands.end()) { | |
1751 | CommandOp *c = iter->second; | |
1752 | c->put(); | |
1753 | check_latest_map_commands.erase(iter); | |
1754 | } | |
1755 | } | |
1756 | ||
1757 | ||
1758 | /** | |
1759 | * Look up OSDSession by OSD id. | |
1760 | * | |
1761 | * @returns 0 on success, or -EAGAIN if the lock context requires | |
1762 | * promotion to write. | |
1763 | */ | |
1764 | int Objecter::_get_session(int osd, OSDSession **session, shunique_lock& sul) | |
1765 | { | |
1766 | ceph_assert(sul && sul.mutex() == &rwlock); | |
1767 | ||
1768 | if (osd < 0) { | |
1769 | *session = homeless_session; | |
1770 | ldout(cct, 20) << __func__ << " osd=" << osd << " returning homeless" | |
1771 | << dendl; | |
1772 | return 0; | |
1773 | } | |
1774 | ||
1775 | map<int,OSDSession*>::iterator p = osd_sessions.find(osd); | |
1776 | if (p != osd_sessions.end()) { | |
1777 | OSDSession *s = p->second; | |
1778 | s->get(); | |
1779 | *session = s; | |
1780 | ldout(cct, 20) << __func__ << " s=" << s << " osd=" << osd << " " | |
1781 | << s->get_nref() << dendl; | |
1782 | return 0; | |
1783 | } | |
1784 | if (!sul.owns_lock()) { | |
1785 | return -EAGAIN; | |
1786 | } | |
1787 | OSDSession *s = new OSDSession(cct, osd); | |
1788 | osd_sessions[osd] = s; | |
1789 | s->con = messenger->connect_to_osd(osdmap->get_addrs(osd)); | |
1790 | s->con->set_priv(RefCountedPtr{s}); | |
1791 | logger->inc(l_osdc_osd_session_open); | |
1792 | logger->set(l_osdc_osd_sessions, osd_sessions.size()); | |
1793 | s->get(); | |
1794 | *session = s; | |
1795 | ldout(cct, 20) << __func__ << " s=" << s << " osd=" << osd << " " | |
1796 | << s->get_nref() << dendl; | |
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | void Objecter::put_session(Objecter::OSDSession *s) | |
1801 | { | |
1802 | if (s && !s->is_homeless()) { | |
1803 | ldout(cct, 20) << __func__ << " s=" << s << " osd=" << s->osd << " " | |
1804 | << s->get_nref() << dendl; | |
1805 | s->put(); | |
1806 | } | |
1807 | } | |
1808 | ||
1809 | void Objecter::get_session(Objecter::OSDSession *s) | |
1810 | { | |
1811 | ceph_assert(s != NULL); | |
1812 | ||
1813 | if (!s->is_homeless()) { | |
1814 | ldout(cct, 20) << __func__ << " s=" << s << " osd=" << s->osd << " " | |
1815 | << s->get_nref() << dendl; | |
1816 | s->get(); | |
1817 | } | |
1818 | } | |
1819 | ||
1820 | void Objecter::_reopen_session(OSDSession *s) | |
1821 | { | |
1822 | // rwlock is locked unique | |
1823 | // s->lock is locked | |
1824 | ||
1825 | auto addrs = osdmap->get_addrs(s->osd); | |
1826 | ldout(cct, 10) << "reopen_session osd." << s->osd << " session, addr now " | |
1827 | << addrs << dendl; | |
1828 | if (s->con) { | |
1829 | s->con->set_priv(NULL); | |
1830 | s->con->mark_down(); | |
1831 | logger->inc(l_osdc_osd_session_close); | |
1832 | } | |
1833 | s->con = messenger->connect_to_osd(addrs); | |
1834 | s->con->set_priv(RefCountedPtr{s}); | |
1835 | s->incarnation++; | |
1836 | logger->inc(l_osdc_osd_session_open); | |
1837 | } | |
1838 | ||
1839 | void Objecter::close_session(OSDSession *s) | |
1840 | { | |
1841 | // rwlock is locked unique | |
1842 | ||
1843 | ldout(cct, 10) << "close_session for osd." << s->osd << dendl; | |
1844 | if (s->con) { | |
1845 | s->con->set_priv(NULL); | |
1846 | s->con->mark_down(); | |
1847 | logger->inc(l_osdc_osd_session_close); | |
1848 | } | |
1849 | OSDSession::unique_lock sl(s->lock); | |
1850 | ||
1851 | std::list<LingerOp*> homeless_lingers; | |
1852 | std::list<CommandOp*> homeless_commands; | |
1853 | std::list<Op*> homeless_ops; | |
1854 | ||
1855 | while (!s->linger_ops.empty()) { | |
1856 | std::map<uint64_t, LingerOp*>::iterator i = s->linger_ops.begin(); | |
1857 | ldout(cct, 10) << " linger_op " << i->first << dendl; | |
1858 | homeless_lingers.push_back(i->second); | |
1859 | _session_linger_op_remove(s, i->second); | |
1860 | } | |
1861 | ||
1862 | while (!s->ops.empty()) { | |
1863 | std::map<ceph_tid_t, Op*>::iterator i = s->ops.begin(); | |
1864 | ldout(cct, 10) << " op " << i->first << dendl; | |
1865 | homeless_ops.push_back(i->second); | |
1866 | _session_op_remove(s, i->second); | |
1867 | } | |
1868 | ||
1869 | while (!s->command_ops.empty()) { | |
1870 | std::map<ceph_tid_t, CommandOp*>::iterator i = s->command_ops.begin(); | |
1871 | ldout(cct, 10) << " command_op " << i->first << dendl; | |
1872 | homeless_commands.push_back(i->second); | |
1873 | _session_command_op_remove(s, i->second); | |
1874 | } | |
1875 | ||
1876 | osd_sessions.erase(s->osd); | |
1877 | sl.unlock(); | |
1878 | put_session(s); | |
1879 | ||
1880 | // Assign any leftover ops to the homeless session | |
1881 | { | |
1882 | OSDSession::unique_lock hsl(homeless_session->lock); | |
1883 | for (std::list<LingerOp*>::iterator i = homeless_lingers.begin(); | |
1884 | i != homeless_lingers.end(); ++i) { | |
1885 | _session_linger_op_assign(homeless_session, *i); | |
1886 | } | |
1887 | for (std::list<Op*>::iterator i = homeless_ops.begin(); | |
1888 | i != homeless_ops.end(); ++i) { | |
1889 | _session_op_assign(homeless_session, *i); | |
1890 | } | |
1891 | for (std::list<CommandOp*>::iterator i = homeless_commands.begin(); | |
1892 | i != homeless_commands.end(); ++i) { | |
1893 | _session_command_op_assign(homeless_session, *i); | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | logger->set(l_osdc_osd_sessions, osd_sessions.size()); | |
1898 | } | |
1899 | ||
1900 | void Objecter::wait_for_osd_map() | |
1901 | { | |
1902 | unique_lock l(rwlock); | |
1903 | if (osdmap->get_epoch()) { | |
1904 | l.unlock(); | |
1905 | return; | |
1906 | } | |
1907 | ||
1908 | // Leave this since it goes with C_SafeCond | |
1909 | Mutex lock(""); | |
1910 | Cond cond; | |
1911 | bool done; | |
1912 | lock.Lock(); | |
1913 | C_SafeCond *context = new C_SafeCond(&lock, &cond, &done, NULL); | |
1914 | waiting_for_map[0].push_back(pair<Context*, int>(context, 0)); | |
1915 | l.unlock(); | |
1916 | while (!done) | |
1917 | cond.Wait(lock); | |
1918 | lock.Unlock(); | |
1919 | } | |
1920 | ||
1921 | struct C_Objecter_GetVersion : public Context { | |
1922 | Objecter *objecter; | |
1923 | uint64_t oldest, newest; | |
1924 | Context *fin; | |
1925 | C_Objecter_GetVersion(Objecter *o, Context *c) | |
1926 | : objecter(o), oldest(0), newest(0), fin(c) {} | |
1927 | void finish(int r) override { | |
1928 | if (r >= 0) { | |
1929 | objecter->get_latest_version(oldest, newest, fin); | |
1930 | } else if (r == -EAGAIN) { // try again as instructed | |
1931 | objecter->wait_for_latest_osdmap(fin); | |
1932 | } else { | |
1933 | // it doesn't return any other error codes! | |
1934 | ceph_abort(); | |
1935 | } | |
1936 | } | |
1937 | }; | |
1938 | ||
1939 | void Objecter::wait_for_latest_osdmap(Context *fin) | |
1940 | { | |
1941 | ldout(cct, 10) << __func__ << dendl; | |
1942 | C_Objecter_GetVersion *c = new C_Objecter_GetVersion(this, fin); | |
1943 | monc->get_version("osdmap", &c->newest, &c->oldest, c); | |
1944 | } | |
1945 | ||
1946 | void Objecter::get_latest_version(epoch_t oldest, epoch_t newest, Context *fin) | |
1947 | { | |
1948 | unique_lock wl(rwlock); | |
1949 | if (osdmap->get_epoch() >= newest) { | |
1950 | ldout(cct, 10) << __func__ << " latest " << newest << ", have it" << dendl; | |
1951 | wl.unlock(); | |
1952 | if (fin) | |
1953 | fin->complete(0); | |
1954 | return; | |
1955 | } | |
1956 | ||
1957 | ldout(cct, 10) << __func__ << " latest " << newest << ", waiting" << dendl; | |
1958 | _wait_for_new_map(fin, newest, 0); | |
1959 | } | |
1960 | ||
1961 | void Objecter::maybe_request_map() | |
1962 | { | |
1963 | shared_lock rl(rwlock); | |
1964 | _maybe_request_map(); | |
1965 | } | |
1966 | ||
1967 | void Objecter::_maybe_request_map() | |
1968 | { | |
1969 | // rwlock is locked | |
1970 | int flag = 0; | |
1971 | if (_osdmap_full_flag() | |
1972 | || osdmap->test_flag(CEPH_OSDMAP_PAUSERD) | |
1973 | || osdmap->test_flag(CEPH_OSDMAP_PAUSEWR)) { | |
1974 | ldout(cct, 10) << "_maybe_request_map subscribing (continuous) to next " | |
1975 | "osd map (FULL flag is set)" << dendl; | |
1976 | } else { | |
1977 | ldout(cct, 10) | |
1978 | << "_maybe_request_map subscribing (onetime) to next osd map" << dendl; | |
1979 | flag = CEPH_SUBSCRIBE_ONETIME; | |
1980 | } | |
1981 | epoch_t epoch = osdmap->get_epoch() ? osdmap->get_epoch()+1 : 0; | |
1982 | if (monc->sub_want("osdmap", epoch, flag)) { | |
1983 | monc->renew_subs(); | |
1984 | } | |
1985 | } | |
1986 | ||
1987 | void Objecter::_wait_for_new_map(Context *c, epoch_t epoch, int err) | |
1988 | { | |
1989 | // rwlock is locked unique | |
1990 | waiting_for_map[epoch].push_back(pair<Context *, int>(c, err)); | |
1991 | _maybe_request_map(); | |
1992 | } | |
1993 | ||
1994 | ||
1995 | /** | |
1996 | * Use this together with wait_for_map: this is a pre-check to avoid | |
1997 | * allocating a Context for wait_for_map if we can see that we | |
1998 | * definitely already have the epoch. | |
1999 | * | |
2000 | * This does *not* replace the need to handle the return value of | |
2001 | * wait_for_map: just because we don't have it in this pre-check | |
2002 | * doesn't mean we won't have it when calling back into wait_for_map, | |
2003 | * since the objecter lock is dropped in between. | |
2004 | */ | |
2005 | bool Objecter::have_map(const epoch_t epoch) | |
2006 | { | |
2007 | shared_lock rl(rwlock); | |
2008 | if (osdmap->get_epoch() >= epoch) { | |
2009 | return true; | |
2010 | } else { | |
2011 | return false; | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | bool Objecter::wait_for_map(epoch_t epoch, Context *c, int err) | |
2016 | { | |
2017 | unique_lock wl(rwlock); | |
2018 | if (osdmap->get_epoch() >= epoch) { | |
2019 | return true; | |
2020 | } | |
2021 | _wait_for_new_map(c, epoch, err); | |
2022 | return false; | |
2023 | } | |
2024 | ||
2025 | void Objecter::_kick_requests(OSDSession *session, | |
2026 | map<uint64_t, LingerOp *>& lresend) | |
2027 | { | |
2028 | // rwlock is locked unique | |
2029 | ||
2030 | // clear backoffs | |
2031 | session->backoffs.clear(); | |
2032 | session->backoffs_by_id.clear(); | |
2033 | ||
2034 | // resend ops | |
2035 | map<ceph_tid_t,Op*> resend; // resend in tid order | |
2036 | for (map<ceph_tid_t, Op*>::iterator p = session->ops.begin(); | |
2037 | p != session->ops.end();) { | |
2038 | Op *op = p->second; | |
2039 | ++p; | |
2040 | if (op->should_resend) { | |
2041 | if (!op->target.paused) | |
2042 | resend[op->tid] = op; | |
2043 | } else { | |
2044 | _op_cancel_map_check(op); | |
2045 | _cancel_linger_op(op); | |
2046 | } | |
2047 | } | |
2048 | ||
2049 | logger->inc(l_osdc_op_resend, resend.size()); | |
2050 | while (!resend.empty()) { | |
2051 | _send_op(resend.begin()->second); | |
2052 | resend.erase(resend.begin()); | |
2053 | } | |
2054 | ||
2055 | // resend lingers | |
2056 | logger->inc(l_osdc_linger_resend, session->linger_ops.size()); | |
2057 | for (map<ceph_tid_t, LingerOp*>::iterator j = session->linger_ops.begin(); | |
2058 | j != session->linger_ops.end(); ++j) { | |
2059 | LingerOp *op = j->second; | |
2060 | op->get(); | |
2061 | ceph_assert(lresend.count(j->first) == 0); | |
2062 | lresend[j->first] = op; | |
2063 | } | |
2064 | ||
2065 | // resend commands | |
2066 | logger->inc(l_osdc_command_resend, session->command_ops.size()); | |
2067 | map<uint64_t,CommandOp*> cresend; // resend in order | |
2068 | for (map<ceph_tid_t, CommandOp*>::iterator k = session->command_ops.begin(); | |
2069 | k != session->command_ops.end(); ++k) { | |
2070 | cresend[k->first] = k->second; | |
2071 | } | |
2072 | while (!cresend.empty()) { | |
2073 | _send_command(cresend.begin()->second); | |
2074 | cresend.erase(cresend.begin()); | |
2075 | } | |
2076 | } | |
2077 | ||
2078 | void Objecter::_linger_ops_resend(map<uint64_t, LingerOp *>& lresend, | |
2079 | unique_lock& ul) | |
2080 | { | |
2081 | ceph_assert(ul.owns_lock()); | |
2082 | shunique_lock sul(std::move(ul)); | |
2083 | while (!lresend.empty()) { | |
2084 | LingerOp *op = lresend.begin()->second; | |
2085 | if (!op->canceled) { | |
2086 | _send_linger(op, sul); | |
2087 | } | |
2088 | op->put(); | |
2089 | lresend.erase(lresend.begin()); | |
2090 | } | |
2091 | ul = sul.release_to_unique(); | |
2092 | } | |
2093 | ||
2094 | void Objecter::start_tick() | |
2095 | { | |
2096 | ceph_assert(tick_event == 0); | |
2097 | tick_event = | |
2098 | timer.add_event(ceph::make_timespan(cct->_conf->objecter_tick_interval), | |
2099 | &Objecter::tick, this); | |
2100 | } | |
2101 | ||
2102 | void Objecter::tick() | |
2103 | { | |
2104 | shared_lock rl(rwlock); | |
2105 | ||
2106 | ldout(cct, 10) << "tick" << dendl; | |
2107 | ||
2108 | // we are only called by C_Tick | |
2109 | tick_event = 0; | |
2110 | ||
2111 | if (!initialized) { | |
2112 | // we raced with shutdown | |
2113 | ldout(cct, 10) << __func__ << " raced with shutdown" << dendl; | |
2114 | return; | |
2115 | } | |
2116 | ||
2117 | set<OSDSession*> toping; | |
2118 | ||
2119 | ||
2120 | // look for laggy requests | |
2121 | auto cutoff = ceph::coarse_mono_clock::now(); | |
2122 | cutoff -= ceph::make_timespan(cct->_conf->objecter_timeout); // timeout | |
2123 | ||
2124 | unsigned laggy_ops = 0; | |
2125 | ||
2126 | for (map<int,OSDSession*>::iterator siter = osd_sessions.begin(); | |
2127 | siter != osd_sessions.end(); ++siter) { | |
2128 | OSDSession *s = siter->second; | |
2129 | OSDSession::lock_guard l(s->lock); | |
2130 | bool found = false; | |
2131 | for (map<ceph_tid_t,Op*>::iterator p = s->ops.begin(); | |
2132 | p != s->ops.end(); | |
2133 | ++p) { | |
2134 | Op *op = p->second; | |
2135 | ceph_assert(op->session); | |
2136 | if (op->stamp < cutoff) { | |
2137 | ldout(cct, 2) << " tid " << p->first << " on osd." << op->session->osd | |
2138 | << " is laggy" << dendl; | |
2139 | found = true; | |
2140 | ++laggy_ops; | |
2141 | } | |
2142 | } | |
2143 | for (map<uint64_t,LingerOp*>::iterator p = s->linger_ops.begin(); | |
2144 | p != s->linger_ops.end(); | |
2145 | ++p) { | |
2146 | LingerOp *op = p->second; | |
2147 | LingerOp::unique_lock wl(op->watch_lock); | |
2148 | ceph_assert(op->session); | |
2149 | ldout(cct, 10) << " pinging osd that serves lingering tid " << p->first | |
2150 | << " (osd." << op->session->osd << ")" << dendl; | |
2151 | found = true; | |
2152 | if (op->is_watch && op->registered && !op->last_error) | |
2153 | _send_linger_ping(op); | |
2154 | } | |
2155 | for (map<uint64_t,CommandOp*>::iterator p = s->command_ops.begin(); | |
2156 | p != s->command_ops.end(); | |
2157 | ++p) { | |
2158 | CommandOp *op = p->second; | |
2159 | ceph_assert(op->session); | |
2160 | ldout(cct, 10) << " pinging osd that serves command tid " << p->first | |
2161 | << " (osd." << op->session->osd << ")" << dendl; | |
2162 | found = true; | |
2163 | } | |
2164 | if (found) | |
2165 | toping.insert(s); | |
2166 | } | |
2167 | if (num_homeless_ops || !toping.empty()) { | |
2168 | _maybe_request_map(); | |
2169 | } | |
2170 | ||
2171 | logger->set(l_osdc_op_laggy, laggy_ops); | |
2172 | logger->set(l_osdc_osd_laggy, toping.size()); | |
2173 | ||
2174 | if (!toping.empty()) { | |
2175 | // send a ping to these osds, to ensure we detect any session resets | |
2176 | // (osd reply message policy is lossy) | |
2177 | for (set<OSDSession*>::const_iterator i = toping.begin(); | |
2178 | i != toping.end(); | |
2179 | ++i) { | |
2180 | (*i)->con->send_message(new MPing); | |
2181 | } | |
2182 | } | |
2183 | ||
2184 | // Make sure we don't reschedule if we wake up after shutdown | |
2185 | if (initialized) { | |
2186 | tick_event = timer.reschedule_me(ceph::make_timespan( | |
2187 | cct->_conf->objecter_tick_interval)); | |
2188 | } | |
2189 | } | |
2190 | ||
2191 | void Objecter::resend_mon_ops() | |
2192 | { | |
2193 | unique_lock wl(rwlock); | |
2194 | ||
2195 | ldout(cct, 10) << "resend_mon_ops" << dendl; | |
2196 | ||
2197 | for (map<ceph_tid_t,PoolStatOp*>::iterator p = poolstat_ops.begin(); | |
2198 | p != poolstat_ops.end(); | |
2199 | ++p) { | |
2200 | _poolstat_submit(p->second); | |
2201 | logger->inc(l_osdc_poolstat_resend); | |
2202 | } | |
2203 | ||
2204 | for (map<ceph_tid_t,StatfsOp*>::iterator p = statfs_ops.begin(); | |
2205 | p != statfs_ops.end(); | |
2206 | ++p) { | |
2207 | _fs_stats_submit(p->second); | |
2208 | logger->inc(l_osdc_statfs_resend); | |
2209 | } | |
2210 | ||
2211 | for (map<ceph_tid_t,PoolOp*>::iterator p = pool_ops.begin(); | |
2212 | p != pool_ops.end(); | |
2213 | ++p) { | |
2214 | _pool_op_submit(p->second); | |
2215 | logger->inc(l_osdc_poolop_resend); | |
2216 | } | |
2217 | ||
2218 | for (map<ceph_tid_t, Op*>::iterator p = check_latest_map_ops.begin(); | |
2219 | p != check_latest_map_ops.end(); | |
2220 | ++p) { | |
2221 | C_Op_Map_Latest *c = new C_Op_Map_Latest(this, p->second->tid); | |
2222 | monc->get_version("osdmap", &c->latest, NULL, c); | |
2223 | } | |
2224 | ||
2225 | for (map<uint64_t, LingerOp*>::iterator p = check_latest_map_lingers.begin(); | |
2226 | p != check_latest_map_lingers.end(); | |
2227 | ++p) { | |
2228 | C_Linger_Map_Latest *c | |
2229 | = new C_Linger_Map_Latest(this, p->second->linger_id); | |
2230 | monc->get_version("osdmap", &c->latest, NULL, c); | |
2231 | } | |
2232 | ||
2233 | for (map<uint64_t, CommandOp*>::iterator p | |
2234 | = check_latest_map_commands.begin(); | |
2235 | p != check_latest_map_commands.end(); | |
2236 | ++p) { | |
2237 | C_Command_Map_Latest *c = new C_Command_Map_Latest(this, p->second->tid); | |
2238 | monc->get_version("osdmap", &c->latest, NULL, c); | |
2239 | } | |
2240 | } | |
2241 | ||
2242 | // read | write --------------------------- | |
2243 | ||
2244 | void Objecter::op_submit(Op *op, ceph_tid_t *ptid, int *ctx_budget) | |
2245 | { | |
2246 | shunique_lock rl(rwlock, ceph::acquire_shared); | |
2247 | ceph_tid_t tid = 0; | |
2248 | if (!ptid) | |
2249 | ptid = &tid; | |
2250 | op->trace.event("op submit"); | |
2251 | _op_submit_with_budget(op, rl, ptid, ctx_budget); | |
2252 | } | |
2253 | ||
2254 | void Objecter::_op_submit_with_budget(Op *op, shunique_lock& sul, | |
2255 | ceph_tid_t *ptid, | |
2256 | int *ctx_budget) | |
2257 | { | |
2258 | ceph_assert(initialized); | |
2259 | ||
2260 | ceph_assert(op->ops.size() == op->out_bl.size()); | |
2261 | ceph_assert(op->ops.size() == op->out_rval.size()); | |
2262 | ceph_assert(op->ops.size() == op->out_handler.size()); | |
2263 | ||
2264 | // throttle. before we look at any state, because | |
2265 | // _take_op_budget() may drop our lock while it blocks. | |
2266 | if (!op->ctx_budgeted || (ctx_budget && (*ctx_budget == -1))) { | |
2267 | int op_budget = _take_op_budget(op, sul); | |
2268 | // take and pass out the budget for the first OP | |
2269 | // in the context session | |
2270 | if (ctx_budget && (*ctx_budget == -1)) { | |
2271 | *ctx_budget = op_budget; | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | if (osd_timeout > timespan(0)) { | |
2276 | if (op->tid == 0) | |
2277 | op->tid = ++last_tid; | |
2278 | auto tid = op->tid; | |
2279 | op->ontimeout = timer.add_event(osd_timeout, | |
2280 | [this, tid]() { | |
2281 | op_cancel(tid, -ETIMEDOUT); }); | |
2282 | } | |
2283 | ||
2284 | _op_submit(op, sul, ptid); | |
2285 | } | |
2286 | ||
2287 | void Objecter::_send_op_account(Op *op) | |
2288 | { | |
2289 | inflight_ops++; | |
2290 | ||
2291 | // add to gather set(s) | |
2292 | if (op->onfinish) { | |
2293 | num_in_flight++; | |
2294 | } else { | |
2295 | ldout(cct, 20) << " note: not requesting reply" << dendl; | |
2296 | } | |
2297 | ||
2298 | logger->inc(l_osdc_op_active); | |
2299 | logger->inc(l_osdc_op); | |
2300 | ||
2301 | if ((op->target.flags & (CEPH_OSD_FLAG_READ | CEPH_OSD_FLAG_WRITE)) == | |
2302 | (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) | |
2303 | logger->inc(l_osdc_op_rmw); | |
2304 | else if (op->target.flags & CEPH_OSD_FLAG_WRITE) | |
2305 | logger->inc(l_osdc_op_w); | |
2306 | else if (op->target.flags & CEPH_OSD_FLAG_READ) | |
2307 | logger->inc(l_osdc_op_r); | |
2308 | ||
2309 | if (op->target.flags & CEPH_OSD_FLAG_PGOP) | |
2310 | logger->inc(l_osdc_op_pg); | |
2311 | ||
2312 | for (vector<OSDOp>::iterator p = op->ops.begin(); p != op->ops.end(); ++p) { | |
2313 | int code = l_osdc_osdop_other; | |
2314 | switch (p->op.op) { | |
2315 | case CEPH_OSD_OP_STAT: code = l_osdc_osdop_stat; break; | |
2316 | case CEPH_OSD_OP_CREATE: code = l_osdc_osdop_create; break; | |
2317 | case CEPH_OSD_OP_READ: code = l_osdc_osdop_read; break; | |
2318 | case CEPH_OSD_OP_WRITE: code = l_osdc_osdop_write; break; | |
2319 | case CEPH_OSD_OP_WRITEFULL: code = l_osdc_osdop_writefull; break; | |
2320 | case CEPH_OSD_OP_WRITESAME: code = l_osdc_osdop_writesame; break; | |
2321 | case CEPH_OSD_OP_APPEND: code = l_osdc_osdop_append; break; | |
2322 | case CEPH_OSD_OP_ZERO: code = l_osdc_osdop_zero; break; | |
2323 | case CEPH_OSD_OP_TRUNCATE: code = l_osdc_osdop_truncate; break; | |
2324 | case CEPH_OSD_OP_DELETE: code = l_osdc_osdop_delete; break; | |
2325 | case CEPH_OSD_OP_MAPEXT: code = l_osdc_osdop_mapext; break; | |
2326 | case CEPH_OSD_OP_SPARSE_READ: code = l_osdc_osdop_sparse_read; break; | |
2327 | case CEPH_OSD_OP_GETXATTR: code = l_osdc_osdop_getxattr; break; | |
2328 | case CEPH_OSD_OP_SETXATTR: code = l_osdc_osdop_setxattr; break; | |
2329 | case CEPH_OSD_OP_CMPXATTR: code = l_osdc_osdop_cmpxattr; break; | |
2330 | case CEPH_OSD_OP_RMXATTR: code = l_osdc_osdop_rmxattr; break; | |
2331 | case CEPH_OSD_OP_RESETXATTRS: code = l_osdc_osdop_resetxattrs; break; | |
2332 | ||
2333 | // OMAP read operations | |
2334 | case CEPH_OSD_OP_OMAPGETVALS: | |
2335 | case CEPH_OSD_OP_OMAPGETKEYS: | |
2336 | case CEPH_OSD_OP_OMAPGETHEADER: | |
2337 | case CEPH_OSD_OP_OMAPGETVALSBYKEYS: | |
2338 | case CEPH_OSD_OP_OMAP_CMP: code = l_osdc_osdop_omap_rd; break; | |
2339 | ||
2340 | // OMAP write operations | |
2341 | case CEPH_OSD_OP_OMAPSETVALS: | |
2342 | case CEPH_OSD_OP_OMAPSETHEADER: code = l_osdc_osdop_omap_wr; break; | |
2343 | ||
2344 | // OMAP del operations | |
2345 | case CEPH_OSD_OP_OMAPCLEAR: | |
2346 | case CEPH_OSD_OP_OMAPRMKEYS: code = l_osdc_osdop_omap_del; break; | |
2347 | ||
2348 | case CEPH_OSD_OP_CALL: code = l_osdc_osdop_call; break; | |
2349 | case CEPH_OSD_OP_WATCH: code = l_osdc_osdop_watch; break; | |
2350 | case CEPH_OSD_OP_NOTIFY: code = l_osdc_osdop_notify; break; | |
2351 | } | |
2352 | if (code) | |
2353 | logger->inc(code); | |
2354 | } | |
2355 | } | |
2356 | ||
2357 | void Objecter::_op_submit(Op *op, shunique_lock& sul, ceph_tid_t *ptid) | |
2358 | { | |
2359 | // rwlock is locked | |
2360 | ||
2361 | ldout(cct, 10) << __func__ << " op " << op << dendl; | |
2362 | ||
2363 | // pick target | |
2364 | ceph_assert(op->session == NULL); | |
2365 | OSDSession *s = NULL; | |
2366 | ||
2367 | bool check_for_latest_map = _calc_target(&op->target, nullptr) | |
2368 | == RECALC_OP_TARGET_POOL_DNE; | |
2369 | ||
2370 | // Try to get a session, including a retry if we need to take write lock | |
2371 | int r = _get_session(op->target.osd, &s, sul); | |
2372 | if (r == -EAGAIN || | |
2373 | (check_for_latest_map && sul.owns_lock_shared()) || | |
2374 | cct->_conf->objecter_debug_inject_relock_delay) { | |
2375 | epoch_t orig_epoch = osdmap->get_epoch(); | |
2376 | sul.unlock(); | |
2377 | if (cct->_conf->objecter_debug_inject_relock_delay) { | |
2378 | sleep(1); | |
2379 | } | |
2380 | sul.lock(); | |
2381 | if (orig_epoch != osdmap->get_epoch()) { | |
2382 | // map changed; recalculate mapping | |
2383 | ldout(cct, 10) << __func__ << " relock raced with osdmap, recalc target" | |
2384 | << dendl; | |
2385 | check_for_latest_map = _calc_target(&op->target, nullptr) | |
2386 | == RECALC_OP_TARGET_POOL_DNE; | |
2387 | if (s) { | |
2388 | put_session(s); | |
2389 | s = NULL; | |
2390 | r = -EAGAIN; | |
2391 | } | |
2392 | } | |
2393 | } | |
2394 | if (r == -EAGAIN) { | |
2395 | ceph_assert(s == NULL); | |
2396 | r = _get_session(op->target.osd, &s, sul); | |
2397 | } | |
2398 | ceph_assert(r == 0); | |
2399 | ceph_assert(s); // may be homeless | |
2400 | ||
2401 | _send_op_account(op); | |
2402 | ||
2403 | // send? | |
2404 | ||
2405 | ceph_assert(op->target.flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)); | |
2406 | ||
2407 | if (osdmap_full_try) { | |
2408 | op->target.flags |= CEPH_OSD_FLAG_FULL_TRY; | |
2409 | } | |
2410 | ||
2411 | bool need_send = false; | |
2412 | ||
2413 | if (osdmap->get_epoch() < epoch_barrier) { | |
2414 | ldout(cct, 10) << " barrier, paused " << op << " tid " << op->tid | |
2415 | << dendl; | |
2416 | op->target.paused = true; | |
2417 | _maybe_request_map(); | |
2418 | } else if ((op->target.flags & CEPH_OSD_FLAG_WRITE) && | |
2419 | osdmap->test_flag(CEPH_OSDMAP_PAUSEWR)) { | |
2420 | ldout(cct, 10) << " paused modify " << op << " tid " << op->tid | |
2421 | << dendl; | |
2422 | op->target.paused = true; | |
2423 | _maybe_request_map(); | |
2424 | } else if ((op->target.flags & CEPH_OSD_FLAG_READ) && | |
2425 | osdmap->test_flag(CEPH_OSDMAP_PAUSERD)) { | |
2426 | ldout(cct, 10) << " paused read " << op << " tid " << op->tid | |
2427 | << dendl; | |
2428 | op->target.paused = true; | |
2429 | _maybe_request_map(); | |
2430 | } else if (op->respects_full() && | |
2431 | (_osdmap_full_flag() || | |
2432 | _osdmap_pool_full(op->target.base_oloc.pool))) { | |
2433 | ldout(cct, 0) << " FULL, paused modify " << op << " tid " | |
2434 | << op->tid << dendl; | |
2435 | op->target.paused = true; | |
2436 | _maybe_request_map(); | |
2437 | } else if (!s->is_homeless()) { | |
2438 | need_send = true; | |
2439 | } else { | |
2440 | _maybe_request_map(); | |
2441 | } | |
2442 | ||
2443 | OSDSession::unique_lock sl(s->lock); | |
2444 | if (op->tid == 0) | |
2445 | op->tid = ++last_tid; | |
2446 | ||
2447 | ldout(cct, 10) << "_op_submit oid " << op->target.base_oid | |
2448 | << " '" << op->target.base_oloc << "' '" | |
2449 | << op->target.target_oloc << "' " << op->ops << " tid " | |
2450 | << op->tid << " osd." << (!s->is_homeless() ? s->osd : -1) | |
2451 | << dendl; | |
2452 | ||
2453 | _session_op_assign(s, op); | |
2454 | ||
2455 | if (need_send) { | |
2456 | _send_op(op); | |
2457 | } | |
2458 | ||
2459 | // Last chance to touch Op here, after giving up session lock it can | |
2460 | // be freed at any time by response handler. | |
2461 | ceph_tid_t tid = op->tid; | |
2462 | if (check_for_latest_map) { | |
2463 | _send_op_map_check(op); | |
2464 | } | |
2465 | if (ptid) | |
2466 | *ptid = tid; | |
2467 | op = NULL; | |
2468 | ||
2469 | sl.unlock(); | |
2470 | put_session(s); | |
2471 | ||
2472 | ldout(cct, 5) << num_in_flight << " in flight" << dendl; | |
2473 | } | |
2474 | ||
2475 | int Objecter::op_cancel(OSDSession *s, ceph_tid_t tid, int r) | |
2476 | { | |
2477 | ceph_assert(initialized); | |
2478 | ||
2479 | OSDSession::unique_lock sl(s->lock); | |
2480 | ||
2481 | map<ceph_tid_t, Op*>::iterator p = s->ops.find(tid); | |
2482 | if (p == s->ops.end()) { | |
2483 | ldout(cct, 10) << __func__ << " tid " << tid << " dne in session " | |
2484 | << s->osd << dendl; | |
2485 | return -ENOENT; | |
2486 | } | |
2487 | ||
2488 | #if 0 | |
2489 | if (s->con) { | |
2490 | ldout(cct, 20) << " revoking rx buffer for " << tid | |
2491 | << " on " << s->con << dendl; | |
2492 | s->con->revoke_rx_buffer(tid); | |
2493 | } | |
2494 | #endif | |
2495 | ||
2496 | ldout(cct, 10) << __func__ << " tid " << tid << " in session " << s->osd | |
2497 | << dendl; | |
2498 | Op *op = p->second; | |
2499 | if (op->onfinish) { | |
2500 | num_in_flight--; | |
2501 | op->onfinish->complete(r); | |
2502 | op->onfinish = NULL; | |
2503 | } | |
2504 | _op_cancel_map_check(op); | |
2505 | _finish_op(op, r); | |
2506 | sl.unlock(); | |
2507 | ||
2508 | return 0; | |
2509 | } | |
2510 | ||
2511 | int Objecter::op_cancel(ceph_tid_t tid, int r) | |
2512 | { | |
2513 | int ret = 0; | |
2514 | ||
2515 | unique_lock wl(rwlock); | |
2516 | ret = _op_cancel(tid, r); | |
2517 | ||
2518 | return ret; | |
2519 | } | |
2520 | ||
2521 | int Objecter::op_cancel(const vector<ceph_tid_t>& tids, int r) | |
2522 | { | |
2523 | unique_lock wl(rwlock); | |
2524 | ldout(cct,10) << __func__ << " " << tids << dendl; | |
2525 | for (auto tid : tids) { | |
2526 | _op_cancel(tid, r); | |
2527 | } | |
2528 | return 0; | |
2529 | } | |
2530 | ||
2531 | int Objecter::_op_cancel(ceph_tid_t tid, int r) | |
2532 | { | |
2533 | int ret = 0; | |
2534 | ||
2535 | ldout(cct, 5) << __func__ << ": cancelling tid " << tid << " r=" << r | |
2536 | << dendl; | |
2537 | ||
2538 | start: | |
2539 | ||
2540 | for (map<int, OSDSession *>::iterator siter = osd_sessions.begin(); | |
2541 | siter != osd_sessions.end(); ++siter) { | |
2542 | OSDSession *s = siter->second; | |
2543 | OSDSession::shared_lock sl(s->lock); | |
2544 | if (s->ops.find(tid) != s->ops.end()) { | |
2545 | sl.unlock(); | |
2546 | ret = op_cancel(s, tid, r); | |
2547 | if (ret == -ENOENT) { | |
2548 | /* oh no! raced, maybe tid moved to another session, restarting */ | |
2549 | goto start; | |
2550 | } | |
2551 | return ret; | |
2552 | } | |
2553 | } | |
2554 | ||
2555 | ldout(cct, 5) << __func__ << ": tid " << tid | |
2556 | << " not found in live sessions" << dendl; | |
2557 | ||
2558 | // Handle case where the op is in homeless session | |
2559 | OSDSession::shared_lock sl(homeless_session->lock); | |
2560 | if (homeless_session->ops.find(tid) != homeless_session->ops.end()) { | |
2561 | sl.unlock(); | |
2562 | ret = op_cancel(homeless_session, tid, r); | |
2563 | if (ret == -ENOENT) { | |
2564 | /* oh no! raced, maybe tid moved to another session, restarting */ | |
2565 | goto start; | |
2566 | } else { | |
2567 | return ret; | |
2568 | } | |
2569 | } else { | |
2570 | sl.unlock(); | |
2571 | } | |
2572 | ||
2573 | ldout(cct, 5) << __func__ << ": tid " << tid | |
2574 | << " not found in homeless session" << dendl; | |
2575 | ||
2576 | return ret; | |
2577 | } | |
2578 | ||
2579 | ||
2580 | epoch_t Objecter::op_cancel_writes(int r, int64_t pool) | |
2581 | { | |
2582 | unique_lock wl(rwlock); | |
2583 | ||
2584 | std::vector<ceph_tid_t> to_cancel; | |
2585 | bool found = false; | |
2586 | ||
2587 | for (map<int, OSDSession *>::iterator siter = osd_sessions.begin(); | |
2588 | siter != osd_sessions.end(); ++siter) { | |
2589 | OSDSession *s = siter->second; | |
2590 | OSDSession::shared_lock sl(s->lock); | |
2591 | for (map<ceph_tid_t, Op*>::iterator op_i = s->ops.begin(); | |
2592 | op_i != s->ops.end(); ++op_i) { | |
2593 | if (op_i->second->target.flags & CEPH_OSD_FLAG_WRITE | |
2594 | && (pool == -1 || op_i->second->target.target_oloc.pool == pool)) { | |
2595 | to_cancel.push_back(op_i->first); | |
2596 | } | |
2597 | } | |
2598 | sl.unlock(); | |
2599 | ||
2600 | for (std::vector<ceph_tid_t>::iterator titer = to_cancel.begin(); | |
2601 | titer != to_cancel.end(); | |
2602 | ++titer) { | |
2603 | int cancel_result = op_cancel(s, *titer, r); | |
2604 | // We hold rwlock across search and cancellation, so cancels | |
2605 | // should always succeed | |
2606 | ceph_assert(cancel_result == 0); | |
2607 | } | |
2608 | if (!found && to_cancel.size()) | |
2609 | found = true; | |
2610 | to_cancel.clear(); | |
2611 | } | |
2612 | ||
2613 | const epoch_t epoch = osdmap->get_epoch(); | |
2614 | ||
2615 | wl.unlock(); | |
2616 | ||
2617 | if (found) { | |
2618 | return epoch; | |
2619 | } else { | |
2620 | return -1; | |
2621 | } | |
2622 | } | |
2623 | ||
2624 | bool Objecter::is_pg_changed( | |
2625 | int oldprimary, | |
2626 | const vector<int>& oldacting, | |
2627 | int newprimary, | |
2628 | const vector<int>& newacting, | |
2629 | bool any_change) | |
2630 | { | |
2631 | if (OSDMap::primary_changed( | |
2632 | oldprimary, | |
2633 | oldacting, | |
2634 | newprimary, | |
2635 | newacting)) | |
2636 | return true; | |
2637 | if (any_change && oldacting != newacting) | |
2638 | return true; | |
2639 | return false; // same primary (tho replicas may have changed) | |
2640 | } | |
2641 | ||
2642 | bool Objecter::target_should_be_paused(op_target_t *t) | |
2643 | { | |
2644 | const pg_pool_t *pi = osdmap->get_pg_pool(t->base_oloc.pool); | |
2645 | bool pauserd = osdmap->test_flag(CEPH_OSDMAP_PAUSERD); | |
2646 | bool pausewr = osdmap->test_flag(CEPH_OSDMAP_PAUSEWR) || | |
2647 | _osdmap_full_flag() || _osdmap_pool_full(*pi); | |
2648 | ||
2649 | return (t->flags & CEPH_OSD_FLAG_READ && pauserd) || | |
2650 | (t->flags & CEPH_OSD_FLAG_WRITE && pausewr) || | |
2651 | (osdmap->get_epoch() < epoch_barrier); | |
2652 | } | |
2653 | ||
2654 | /** | |
2655 | * Locking public accessor for _osdmap_full_flag | |
2656 | */ | |
2657 | bool Objecter::osdmap_full_flag() const | |
2658 | { | |
2659 | shared_lock rl(rwlock); | |
2660 | ||
2661 | return _osdmap_full_flag(); | |
2662 | } | |
2663 | ||
2664 | bool Objecter::osdmap_pool_full(const int64_t pool_id) const | |
2665 | { | |
2666 | shared_lock rl(rwlock); | |
2667 | ||
2668 | if (_osdmap_full_flag()) { | |
2669 | return true; | |
2670 | } | |
2671 | ||
2672 | return _osdmap_pool_full(pool_id); | |
2673 | } | |
2674 | ||
2675 | bool Objecter::_osdmap_pool_full(const int64_t pool_id) const | |
2676 | { | |
2677 | const pg_pool_t *pool = osdmap->get_pg_pool(pool_id); | |
2678 | if (pool == NULL) { | |
2679 | ldout(cct, 4) << __func__ << ": DNE pool " << pool_id << dendl; | |
2680 | return false; | |
2681 | } | |
2682 | ||
2683 | return _osdmap_pool_full(*pool); | |
2684 | } | |
2685 | ||
2686 | bool Objecter::_osdmap_has_pool_full() const | |
2687 | { | |
2688 | for (map<int64_t, pg_pool_t>::const_iterator it | |
2689 | = osdmap->get_pools().begin(); | |
2690 | it != osdmap->get_pools().end(); ++it) { | |
2691 | if (_osdmap_pool_full(it->second)) | |
2692 | return true; | |
2693 | } | |
2694 | return false; | |
2695 | } | |
2696 | ||
2697 | bool Objecter::_osdmap_pool_full(const pg_pool_t &p) const | |
2698 | { | |
2699 | return p.has_flag(pg_pool_t::FLAG_FULL) && honor_osdmap_full; | |
2700 | } | |
2701 | ||
2702 | /** | |
2703 | * Wrapper around osdmap->test_flag for special handling of the FULL flag. | |
2704 | */ | |
2705 | bool Objecter::_osdmap_full_flag() const | |
2706 | { | |
2707 | // Ignore the FULL flag if the caller does not have honor_osdmap_full | |
2708 | return osdmap->test_flag(CEPH_OSDMAP_FULL) && honor_osdmap_full; | |
2709 | } | |
2710 | ||
2711 | void Objecter::update_pool_full_map(map<int64_t, bool>& pool_full_map) | |
2712 | { | |
2713 | for (map<int64_t, pg_pool_t>::const_iterator it | |
2714 | = osdmap->get_pools().begin(); | |
2715 | it != osdmap->get_pools().end(); ++it) { | |
2716 | if (pool_full_map.find(it->first) == pool_full_map.end()) { | |
2717 | pool_full_map[it->first] = _osdmap_pool_full(it->second); | |
2718 | } else { | |
2719 | pool_full_map[it->first] = _osdmap_pool_full(it->second) || | |
2720 | pool_full_map[it->first]; | |
2721 | } | |
2722 | } | |
2723 | } | |
2724 | ||
2725 | int64_t Objecter::get_object_hash_position(int64_t pool, const string& key, | |
2726 | const string& ns) | |
2727 | { | |
2728 | shared_lock rl(rwlock); | |
2729 | const pg_pool_t *p = osdmap->get_pg_pool(pool); | |
2730 | if (!p) | |
2731 | return -ENOENT; | |
2732 | return p->hash_key(key, ns); | |
2733 | } | |
2734 | ||
2735 | int64_t Objecter::get_object_pg_hash_position(int64_t pool, const string& key, | |
2736 | const string& ns) | |
2737 | { | |
2738 | shared_lock rl(rwlock); | |
2739 | const pg_pool_t *p = osdmap->get_pg_pool(pool); | |
2740 | if (!p) | |
2741 | return -ENOENT; | |
2742 | return p->raw_hash_to_pg(p->hash_key(key, ns)); | |
2743 | } | |
2744 | ||
2745 | void Objecter::_prune_snapc( | |
2746 | const mempool::osdmap::map<int64_t, | |
2747 | OSDMap::snap_interval_set_t>& new_removed_snaps, | |
2748 | Op *op) | |
2749 | { | |
2750 | bool match = false; | |
2751 | auto i = new_removed_snaps.find(op->target.base_pgid.pool()); | |
2752 | if (i != new_removed_snaps.end()) { | |
2753 | for (auto s : op->snapc.snaps) { | |
2754 | if (i->second.contains(s)) { | |
2755 | match = true; | |
2756 | break; | |
2757 | } | |
2758 | } | |
2759 | if (match) { | |
2760 | vector<snapid_t> new_snaps; | |
2761 | for (auto s : op->snapc.snaps) { | |
2762 | if (!i->second.contains(s)) { | |
2763 | new_snaps.push_back(s); | |
2764 | } | |
2765 | } | |
2766 | op->snapc.snaps.swap(new_snaps); | |
2767 | ldout(cct,10) << __func__ << " op " << op->tid << " snapc " << op->snapc | |
2768 | << " (was " << new_snaps << ")" << dendl; | |
2769 | } | |
2770 | } | |
2771 | } | |
2772 | ||
2773 | int Objecter::_calc_target(op_target_t *t, Connection *con, bool any_change) | |
2774 | { | |
2775 | // rwlock is locked | |
2776 | bool is_read = t->flags & CEPH_OSD_FLAG_READ; | |
2777 | bool is_write = t->flags & CEPH_OSD_FLAG_WRITE; | |
2778 | t->epoch = osdmap->get_epoch(); | |
2779 | ldout(cct,20) << __func__ << " epoch " << t->epoch | |
2780 | << " base " << t->base_oid << " " << t->base_oloc | |
2781 | << " precalc_pgid " << (int)t->precalc_pgid | |
2782 | << " pgid " << t->base_pgid | |
2783 | << (is_read ? " is_read" : "") | |
2784 | << (is_write ? " is_write" : "") | |
2785 | << dendl; | |
2786 | ||
2787 | const pg_pool_t *pi = osdmap->get_pg_pool(t->base_oloc.pool); | |
2788 | if (!pi) { | |
2789 | t->osd = -1; | |
2790 | return RECALC_OP_TARGET_POOL_DNE; | |
2791 | } | |
2792 | ldout(cct,30) << __func__ << " base pi " << pi | |
2793 | << " pg_num " << pi->get_pg_num() << dendl; | |
2794 | ||
2795 | bool force_resend = false; | |
2796 | if (osdmap->get_epoch() == pi->last_force_op_resend) { | |
2797 | if (t->last_force_resend < pi->last_force_op_resend) { | |
2798 | t->last_force_resend = pi->last_force_op_resend; | |
2799 | force_resend = true; | |
2800 | } else if (t->last_force_resend == 0) { | |
2801 | force_resend = true; | |
2802 | } | |
2803 | } | |
2804 | ||
2805 | // apply tiering | |
2806 | t->target_oid = t->base_oid; | |
2807 | t->target_oloc = t->base_oloc; | |
2808 | if ((t->flags & CEPH_OSD_FLAG_IGNORE_OVERLAY) == 0) { | |
2809 | if (is_read && pi->has_read_tier()) | |
2810 | t->target_oloc.pool = pi->read_tier; | |
2811 | if (is_write && pi->has_write_tier()) | |
2812 | t->target_oloc.pool = pi->write_tier; | |
2813 | pi = osdmap->get_pg_pool(t->target_oloc.pool); | |
2814 | if (!pi) { | |
2815 | t->osd = -1; | |
2816 | return RECALC_OP_TARGET_POOL_DNE; | |
2817 | } | |
2818 | } | |
2819 | ||
2820 | pg_t pgid; | |
2821 | if (t->precalc_pgid) { | |
2822 | ceph_assert(t->flags & CEPH_OSD_FLAG_IGNORE_OVERLAY); | |
2823 | ceph_assert(t->base_oid.name.empty()); // make sure this is a pg op | |
2824 | ceph_assert(t->base_oloc.pool == (int64_t)t->base_pgid.pool()); | |
2825 | pgid = t->base_pgid; | |
2826 | } else { | |
2827 | int ret = osdmap->object_locator_to_pg(t->target_oid, t->target_oloc, | |
2828 | pgid); | |
2829 | if (ret == -ENOENT) { | |
2830 | t->osd = -1; | |
2831 | return RECALC_OP_TARGET_POOL_DNE; | |
2832 | } | |
2833 | } | |
2834 | ldout(cct,20) << __func__ << " target " << t->target_oid << " " | |
2835 | << t->target_oloc << " -> pgid " << pgid << dendl; | |
2836 | ldout(cct,30) << __func__ << " target pi " << pi | |
2837 | << " pg_num " << pi->get_pg_num() << dendl; | |
2838 | t->pool_ever_existed = true; | |
2839 | ||
2840 | int size = pi->size; | |
2841 | int min_size = pi->min_size; | |
2842 | unsigned pg_num = pi->get_pg_num(); | |
2843 | unsigned pg_num_pending = pi->get_pg_num_pending(); | |
2844 | int up_primary, acting_primary; | |
2845 | vector<int> up, acting; | |
2846 | osdmap->pg_to_up_acting_osds(pgid, &up, &up_primary, | |
2847 | &acting, &acting_primary); | |
2848 | bool sort_bitwise = osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE); | |
2849 | bool recovery_deletes = osdmap->test_flag(CEPH_OSDMAP_RECOVERY_DELETES); | |
2850 | unsigned prev_seed = ceph_stable_mod(pgid.ps(), t->pg_num, t->pg_num_mask); | |
2851 | pg_t prev_pgid(prev_seed, pgid.pool()); | |
2852 | if (any_change && PastIntervals::is_new_interval( | |
2853 | t->acting_primary, | |
2854 | acting_primary, | |
2855 | t->acting, | |
2856 | acting, | |
2857 | t->up_primary, | |
2858 | up_primary, | |
2859 | t->up, | |
2860 | up, | |
2861 | t->size, | |
2862 | size, | |
2863 | t->min_size, | |
2864 | min_size, | |
2865 | t->pg_num, | |
2866 | pg_num, | |
2867 | t->pg_num_pending, | |
2868 | pg_num_pending, | |
2869 | t->sort_bitwise, | |
2870 | sort_bitwise, | |
2871 | t->recovery_deletes, | |
2872 | recovery_deletes, | |
2873 | prev_pgid)) { | |
2874 | force_resend = true; | |
2875 | } | |
2876 | ||
2877 | bool unpaused = false; | |
2878 | bool should_be_paused = target_should_be_paused(t); | |
2879 | if (t->paused && !should_be_paused) { | |
2880 | unpaused = true; | |
2881 | } | |
2882 | t->paused = should_be_paused; | |
2883 | ||
2884 | bool legacy_change = | |
2885 | t->pgid != pgid || | |
2886 | is_pg_changed( | |
2887 | t->acting_primary, t->acting, acting_primary, acting, | |
2888 | t->used_replica || any_change); | |
2889 | bool split_or_merge = false; | |
2890 | if (t->pg_num) { | |
2891 | split_or_merge = | |
2892 | prev_pgid.is_split(t->pg_num, pg_num, nullptr) || | |
2893 | prev_pgid.is_merge_source(t->pg_num, pg_num, nullptr) || | |
2894 | prev_pgid.is_merge_target(t->pg_num, pg_num); | |
2895 | } | |
2896 | ||
2897 | if (legacy_change || split_or_merge || force_resend) { | |
2898 | t->pgid = pgid; | |
2899 | t->acting = acting; | |
2900 | t->acting_primary = acting_primary; | |
2901 | t->up_primary = up_primary; | |
2902 | t->up = up; | |
2903 | t->size = size; | |
2904 | t->min_size = min_size; | |
2905 | t->pg_num = pg_num; | |
2906 | t->pg_num_mask = pi->get_pg_num_mask(); | |
2907 | t->pg_num_pending = pg_num_pending; | |
2908 | osdmap->get_primary_shard( | |
2909 | pg_t(ceph_stable_mod(pgid.ps(), t->pg_num, t->pg_num_mask), pgid.pool()), | |
2910 | &t->actual_pgid); | |
2911 | t->sort_bitwise = sort_bitwise; | |
2912 | t->recovery_deletes = recovery_deletes; | |
2913 | ldout(cct, 10) << __func__ << " " | |
2914 | << " raw pgid " << pgid << " -> actual " << t->actual_pgid | |
2915 | << " acting " << acting | |
2916 | << " primary " << acting_primary << dendl; | |
2917 | t->used_replica = false; | |
2918 | if (acting_primary == -1) { | |
2919 | t->osd = -1; | |
2920 | } else { | |
2921 | int osd; | |
2922 | bool read = is_read && !is_write; | |
2923 | if (read && (t->flags & CEPH_OSD_FLAG_BALANCE_READS)) { | |
2924 | int p = rand() % acting.size(); | |
2925 | if (p) | |
2926 | t->used_replica = true; | |
2927 | osd = acting[p]; | |
2928 | ldout(cct, 10) << " chose random osd." << osd << " of " << acting | |
2929 | << dendl; | |
2930 | } else if (read && (t->flags & CEPH_OSD_FLAG_LOCALIZE_READS) && | |
2931 | acting.size() > 1) { | |
2932 | // look for a local replica. prefer the primary if the | |
2933 | // distance is the same. | |
2934 | int best = -1; | |
2935 | int best_locality = 0; | |
2936 | for (unsigned i = 0; i < acting.size(); ++i) { | |
2937 | int locality = osdmap->crush->get_common_ancestor_distance( | |
2938 | cct, acting[i], crush_location); | |
2939 | ldout(cct, 20) << __func__ << " localize: rank " << i | |
2940 | << " osd." << acting[i] | |
2941 | << " locality " << locality << dendl; | |
2942 | if (i == 0 || | |
2943 | (locality >= 0 && best_locality >= 0 && | |
2944 | locality < best_locality) || | |
2945 | (best_locality < 0 && locality >= 0)) { | |
2946 | best = i; | |
2947 | best_locality = locality; | |
2948 | if (i) | |
2949 | t->used_replica = true; | |
2950 | } | |
2951 | } | |
2952 | ceph_assert(best >= 0); | |
2953 | osd = acting[best]; | |
2954 | } else { | |
2955 | osd = acting_primary; | |
2956 | } | |
2957 | t->osd = osd; | |
2958 | } | |
2959 | } | |
2960 | if (legacy_change || unpaused || force_resend) { | |
2961 | return RECALC_OP_TARGET_NEED_RESEND; | |
2962 | } | |
2963 | if (split_or_merge && | |
2964 | (osdmap->require_osd_release >= CEPH_RELEASE_LUMINOUS || | |
2965 | HAVE_FEATURE(osdmap->get_xinfo(acting_primary).features, | |
2966 | RESEND_ON_SPLIT))) { | |
2967 | return RECALC_OP_TARGET_NEED_RESEND; | |
2968 | } | |
2969 | return RECALC_OP_TARGET_NO_ACTION; | |
2970 | } | |
2971 | ||
2972 | int Objecter::_map_session(op_target_t *target, OSDSession **s, | |
2973 | shunique_lock& sul) | |
2974 | { | |
2975 | _calc_target(target, nullptr); | |
2976 | return _get_session(target->osd, s, sul); | |
2977 | } | |
2978 | ||
2979 | void Objecter::_session_op_assign(OSDSession *to, Op *op) | |
2980 | { | |
2981 | // to->lock is locked | |
2982 | ceph_assert(op->session == NULL); | |
2983 | ceph_assert(op->tid); | |
2984 | ||
2985 | get_session(to); | |
2986 | op->session = to; | |
2987 | to->ops[op->tid] = op; | |
2988 | ||
2989 | if (to->is_homeless()) { | |
2990 | num_homeless_ops++; | |
2991 | } | |
2992 | ||
2993 | ldout(cct, 15) << __func__ << " " << to->osd << " " << op->tid << dendl; | |
2994 | } | |
2995 | ||
2996 | void Objecter::_session_op_remove(OSDSession *from, Op *op) | |
2997 | { | |
2998 | ceph_assert(op->session == from); | |
2999 | // from->lock is locked | |
3000 | ||
3001 | if (from->is_homeless()) { | |
3002 | num_homeless_ops--; | |
3003 | } | |
3004 | ||
3005 | from->ops.erase(op->tid); | |
3006 | put_session(from); | |
3007 | op->session = NULL; | |
3008 | ||
3009 | ldout(cct, 15) << __func__ << " " << from->osd << " " << op->tid << dendl; | |
3010 | } | |
3011 | ||
3012 | void Objecter::_session_linger_op_assign(OSDSession *to, LingerOp *op) | |
3013 | { | |
3014 | // to lock is locked unique | |
3015 | ceph_assert(op->session == NULL); | |
3016 | ||
3017 | if (to->is_homeless()) { | |
3018 | num_homeless_ops++; | |
3019 | } | |
3020 | ||
3021 | get_session(to); | |
3022 | op->session = to; | |
3023 | to->linger_ops[op->linger_id] = op; | |
3024 | ||
3025 | ldout(cct, 15) << __func__ << " " << to->osd << " " << op->linger_id | |
3026 | << dendl; | |
3027 | } | |
3028 | ||
3029 | void Objecter::_session_linger_op_remove(OSDSession *from, LingerOp *op) | |
3030 | { | |
3031 | ceph_assert(from == op->session); | |
3032 | // from->lock is locked unique | |
3033 | ||
3034 | if (from->is_homeless()) { | |
3035 | num_homeless_ops--; | |
3036 | } | |
3037 | ||
3038 | from->linger_ops.erase(op->linger_id); | |
3039 | put_session(from); | |
3040 | op->session = NULL; | |
3041 | ||
3042 | ldout(cct, 15) << __func__ << " " << from->osd << " " << op->linger_id | |
3043 | << dendl; | |
3044 | } | |
3045 | ||
3046 | void Objecter::_session_command_op_remove(OSDSession *from, CommandOp *op) | |
3047 | { | |
3048 | ceph_assert(from == op->session); | |
3049 | // from->lock is locked | |
3050 | ||
3051 | if (from->is_homeless()) { | |
3052 | num_homeless_ops--; | |
3053 | } | |
3054 | ||
3055 | from->command_ops.erase(op->tid); | |
3056 | put_session(from); | |
3057 | op->session = NULL; | |
3058 | ||
3059 | ldout(cct, 15) << __func__ << " " << from->osd << " " << op->tid << dendl; | |
3060 | } | |
3061 | ||
3062 | void Objecter::_session_command_op_assign(OSDSession *to, CommandOp *op) | |
3063 | { | |
3064 | // to->lock is locked | |
3065 | ceph_assert(op->session == NULL); | |
3066 | ceph_assert(op->tid); | |
3067 | ||
3068 | if (to->is_homeless()) { | |
3069 | num_homeless_ops++; | |
3070 | } | |
3071 | ||
3072 | get_session(to); | |
3073 | op->session = to; | |
3074 | to->command_ops[op->tid] = op; | |
3075 | ||
3076 | ldout(cct, 15) << __func__ << " " << to->osd << " " << op->tid << dendl; | |
3077 | } | |
3078 | ||
3079 | int Objecter::_recalc_linger_op_target(LingerOp *linger_op, | |
3080 | shunique_lock& sul) | |
3081 | { | |
3082 | // rwlock is locked unique | |
3083 | ||
3084 | int r = _calc_target(&linger_op->target, nullptr, true); | |
3085 | if (r == RECALC_OP_TARGET_NEED_RESEND) { | |
3086 | ldout(cct, 10) << "recalc_linger_op_target tid " << linger_op->linger_id | |
3087 | << " pgid " << linger_op->target.pgid | |
3088 | << " acting " << linger_op->target.acting << dendl; | |
3089 | ||
3090 | OSDSession *s = NULL; | |
3091 | r = _get_session(linger_op->target.osd, &s, sul); | |
3092 | ceph_assert(r == 0); | |
3093 | ||
3094 | if (linger_op->session != s) { | |
3095 | // NB locking two sessions (s and linger_op->session) at the | |
3096 | // same time here is only safe because we are the only one that | |
3097 | // takes two, and we are holding rwlock for write. Disable | |
3098 | // lockdep because it doesn't know that. | |
3099 | OSDSession::unique_lock sl(s->lock); | |
3100 | _session_linger_op_remove(linger_op->session, linger_op); | |
3101 | _session_linger_op_assign(s, linger_op); | |
3102 | } | |
3103 | ||
3104 | put_session(s); | |
3105 | return RECALC_OP_TARGET_NEED_RESEND; | |
3106 | } | |
3107 | return r; | |
3108 | } | |
3109 | ||
3110 | void Objecter::_cancel_linger_op(Op *op) | |
3111 | { | |
3112 | ldout(cct, 15) << "cancel_op " << op->tid << dendl; | |
3113 | ||
3114 | ceph_assert(!op->should_resend); | |
3115 | if (op->onfinish) { | |
3116 | delete op->onfinish; | |
3117 | num_in_flight--; | |
3118 | } | |
3119 | ||
3120 | _finish_op(op, 0); | |
3121 | } | |
3122 | ||
3123 | void Objecter::_finish_op(Op *op, int r) | |
3124 | { | |
3125 | ldout(cct, 15) << __func__ << " " << op->tid << dendl; | |
3126 | ||
3127 | // op->session->lock is locked unique or op->session is null | |
3128 | ||
3129 | if (!op->ctx_budgeted && op->budget >= 0) { | |
3130 | put_op_budget_bytes(op->budget); | |
3131 | op->budget = -1; | |
3132 | } | |
3133 | ||
3134 | if (op->ontimeout && r != -ETIMEDOUT) | |
3135 | timer.cancel_event(op->ontimeout); | |
3136 | ||
3137 | if (op->session) { | |
3138 | _session_op_remove(op->session, op); | |
3139 | } | |
3140 | ||
3141 | logger->dec(l_osdc_op_active); | |
3142 | ||
3143 | ceph_assert(check_latest_map_ops.find(op->tid) == check_latest_map_ops.end()); | |
3144 | ||
3145 | inflight_ops--; | |
3146 | ||
3147 | op->put(); | |
3148 | } | |
3149 | ||
3150 | MOSDOp *Objecter::_prepare_osd_op(Op *op) | |
3151 | { | |
3152 | // rwlock is locked | |
3153 | ||
3154 | int flags = op->target.flags; | |
3155 | flags |= CEPH_OSD_FLAG_KNOWN_REDIR; | |
3156 | ||
3157 | // Nothing checks this any longer, but needed for compatibility with | |
3158 | // pre-luminous osds | |
3159 | flags |= CEPH_OSD_FLAG_ONDISK; | |
3160 | ||
3161 | if (!honor_osdmap_full) | |
3162 | flags |= CEPH_OSD_FLAG_FULL_FORCE; | |
3163 | ||
3164 | op->target.paused = false; | |
3165 | op->stamp = ceph::coarse_mono_clock::now(); | |
3166 | ||
3167 | hobject_t hobj = op->target.get_hobj(); | |
3168 | MOSDOp *m = new MOSDOp(client_inc, op->tid, | |
3169 | hobj, op->target.actual_pgid, | |
3170 | osdmap->get_epoch(), | |
3171 | flags, op->features); | |
3172 | ||
3173 | m->set_snapid(op->snapid); | |
3174 | m->set_snap_seq(op->snapc.seq); | |
3175 | m->set_snaps(op->snapc.snaps); | |
3176 | ||
3177 | m->ops = op->ops; | |
3178 | m->set_mtime(op->mtime); | |
3179 | m->set_retry_attempt(op->attempts++); | |
3180 | ||
3181 | if (!op->trace.valid() && cct->_conf->osdc_blkin_trace_all) { | |
3182 | op->trace.init("op", &trace_endpoint); | |
3183 | } | |
3184 | ||
3185 | if (op->priority) | |
3186 | m->set_priority(op->priority); | |
3187 | else | |
3188 | m->set_priority(cct->_conf->osd_client_op_priority); | |
3189 | ||
3190 | if (op->reqid != osd_reqid_t()) { | |
3191 | m->set_reqid(op->reqid); | |
3192 | } | |
3193 | ||
3194 | logger->inc(l_osdc_op_send); | |
3195 | ssize_t sum = 0; | |
3196 | for (unsigned i = 0; i < m->ops.size(); i++) { | |
3197 | sum += m->ops[i].indata.length(); | |
3198 | } | |
3199 | logger->inc(l_osdc_op_send_bytes, sum); | |
3200 | ||
3201 | return m; | |
3202 | } | |
3203 | ||
3204 | void Objecter::_send_op(Op *op) | |
3205 | { | |
3206 | // rwlock is locked | |
3207 | // op->session->lock is locked | |
3208 | ||
3209 | // backoff? | |
3210 | auto p = op->session->backoffs.find(op->target.actual_pgid); | |
3211 | if (p != op->session->backoffs.end()) { | |
3212 | hobject_t hoid = op->target.get_hobj(); | |
3213 | auto q = p->second.lower_bound(hoid); | |
3214 | if (q != p->second.begin()) { | |
3215 | --q; | |
3216 | if (hoid >= q->second.end) { | |
3217 | ++q; | |
3218 | } | |
3219 | } | |
3220 | if (q != p->second.end()) { | |
3221 | ldout(cct, 20) << __func__ << " ? " << q->first << " [" << q->second.begin | |
3222 | << "," << q->second.end << ")" << dendl; | |
3223 | int r = cmp(hoid, q->second.begin); | |
3224 | if (r == 0 || (r > 0 && hoid < q->second.end)) { | |
3225 | ldout(cct, 10) << __func__ << " backoff " << op->target.actual_pgid | |
3226 | << " id " << q->second.id << " on " << hoid | |
3227 | << ", queuing " << op << " tid " << op->tid << dendl; | |
3228 | return; | |
3229 | } | |
3230 | } | |
3231 | } | |
3232 | ||
3233 | ceph_assert(op->tid > 0); | |
3234 | MOSDOp *m = _prepare_osd_op(op); | |
3235 | ||
3236 | if (op->target.actual_pgid != m->get_spg()) { | |
3237 | ldout(cct, 10) << __func__ << " " << op->tid << " pgid change from " | |
3238 | << m->get_spg() << " to " << op->target.actual_pgid | |
3239 | << ", updating and reencoding" << dendl; | |
3240 | m->set_spg(op->target.actual_pgid); | |
3241 | m->clear_payload(); // reencode | |
3242 | } | |
3243 | ||
3244 | ldout(cct, 15) << "_send_op " << op->tid << " to " | |
3245 | << op->target.actual_pgid << " on osd." << op->session->osd | |
3246 | << dendl; | |
3247 | ||
3248 | ConnectionRef con = op->session->con; | |
3249 | ceph_assert(con); | |
3250 | ||
3251 | #if 0 | |
3252 | // preallocated rx buffer? | |
3253 | if (op->con) { | |
3254 | ldout(cct, 20) << " revoking rx buffer for " << op->tid << " on " | |
3255 | << op->con << dendl; | |
3256 | op->con->revoke_rx_buffer(op->tid); | |
3257 | } | |
3258 | if (op->outbl && | |
3259 | op->ontimeout == 0 && // only post rx_buffer if no timeout; see #9582 | |
3260 | op->outbl->length()) { | |
3261 | op->outbl->invalidate_crc(); // messenger writes through c_str() | |
3262 | ldout(cct, 20) << " posting rx buffer for " << op->tid << " on " << con | |
3263 | << dendl; | |
3264 | op->con = con; | |
3265 | op->con->post_rx_buffer(op->tid, *op->outbl); | |
3266 | } | |
3267 | #endif | |
3268 | ||
3269 | op->incarnation = op->session->incarnation; | |
3270 | ||
3271 | if (op->trace.valid()) { | |
3272 | m->trace.init("op msg", nullptr, &op->trace); | |
3273 | } | |
3274 | op->session->con->send_message(m); | |
3275 | } | |
3276 | ||
3277 | int Objecter::calc_op_budget(const vector<OSDOp>& ops) | |
3278 | { | |
3279 | int op_budget = 0; | |
3280 | for (vector<OSDOp>::const_iterator i = ops.begin(); | |
3281 | i != ops.end(); | |
3282 | ++i) { | |
3283 | if (i->op.op & CEPH_OSD_OP_MODE_WR) { | |
3284 | op_budget += i->indata.length(); | |
3285 | } else if (ceph_osd_op_mode_read(i->op.op)) { | |
3286 | if (ceph_osd_op_uses_extent(i->op.op)) { | |
3287 | if ((int64_t)i->op.extent.length > 0) | |
3288 | op_budget += (int64_t)i->op.extent.length; | |
3289 | } else if (ceph_osd_op_type_attr(i->op.op)) { | |
3290 | op_budget += i->op.xattr.name_len + i->op.xattr.value_len; | |
3291 | } | |
3292 | } | |
3293 | } | |
3294 | return op_budget; | |
3295 | } | |
3296 | ||
3297 | void Objecter::_throttle_op(Op *op, | |
3298 | shunique_lock& sul, | |
3299 | int op_budget) | |
3300 | { | |
3301 | ceph_assert(sul && sul.mutex() == &rwlock); | |
3302 | bool locked_for_write = sul.owns_lock(); | |
3303 | ||
3304 | if (!op_budget) | |
3305 | op_budget = calc_op_budget(op->ops); | |
3306 | if (!op_throttle_bytes.get_or_fail(op_budget)) { //couldn't take right now | |
3307 | sul.unlock(); | |
3308 | op_throttle_bytes.get(op_budget); | |
3309 | if (locked_for_write) | |
3310 | sul.lock(); | |
3311 | else | |
3312 | sul.lock_shared(); | |
3313 | } | |
3314 | if (!op_throttle_ops.get_or_fail(1)) { //couldn't take right now | |
3315 | sul.unlock(); | |
3316 | op_throttle_ops.get(1); | |
3317 | if (locked_for_write) | |
3318 | sul.lock(); | |
3319 | else | |
3320 | sul.lock_shared(); | |
3321 | } | |
3322 | } | |
3323 | ||
3324 | int Objecter::take_linger_budget(LingerOp *info) | |
3325 | { | |
3326 | return 1; | |
3327 | } | |
3328 | ||
3329 | /* This function DOES put the passed message before returning */ | |
3330 | void Objecter::handle_osd_op_reply(MOSDOpReply *m) | |
3331 | { | |
3332 | ldout(cct, 10) << "in handle_osd_op_reply" << dendl; | |
3333 | ||
3334 | // get pio | |
3335 | ceph_tid_t tid = m->get_tid(); | |
3336 | ||
3337 | shunique_lock sul(rwlock, ceph::acquire_shared); | |
3338 | if (!initialized) { | |
3339 | m->put(); | |
3340 | return; | |
3341 | } | |
3342 | ||
3343 | ConnectionRef con = m->get_connection(); | |
3344 | auto priv = con->get_priv(); | |
3345 | auto s = static_cast<OSDSession*>(priv.get()); | |
3346 | if (!s || s->con != con) { | |
3347 | ldout(cct, 7) << __func__ << " no session on con " << con << dendl; | |
3348 | m->put(); | |
3349 | return; | |
3350 | } | |
3351 | ||
3352 | OSDSession::unique_lock sl(s->lock); | |
3353 | ||
3354 | map<ceph_tid_t, Op *>::iterator iter = s->ops.find(tid); | |
3355 | if (iter == s->ops.end()) { | |
3356 | ldout(cct, 7) << "handle_osd_op_reply " << tid | |
3357 | << (m->is_ondisk() ? " ondisk" : (m->is_onnvram() ? | |
3358 | " onnvram" : " ack")) | |
3359 | << " ... stray" << dendl; | |
3360 | sl.unlock(); | |
3361 | m->put(); | |
3362 | return; | |
3363 | } | |
3364 | ||
3365 | ldout(cct, 7) << "handle_osd_op_reply " << tid | |
3366 | << (m->is_ondisk() ? " ondisk" : | |
3367 | (m->is_onnvram() ? " onnvram" : " ack")) | |
3368 | << " uv " << m->get_user_version() | |
3369 | << " in " << m->get_pg() | |
3370 | << " attempt " << m->get_retry_attempt() | |
3371 | << dendl; | |
3372 | Op *op = iter->second; | |
3373 | op->trace.event("osd op reply"); | |
3374 | ||
3375 | if (retry_writes_after_first_reply && op->attempts == 1 && | |
3376 | (op->target.flags & CEPH_OSD_FLAG_WRITE)) { | |
3377 | ldout(cct, 7) << "retrying write after first reply: " << tid << dendl; | |
3378 | if (op->onfinish) { | |
3379 | num_in_flight--; | |
3380 | } | |
3381 | _session_op_remove(s, op); | |
3382 | sl.unlock(); | |
3383 | ||
3384 | _op_submit(op, sul, NULL); | |
3385 | m->put(); | |
3386 | return; | |
3387 | } | |
3388 | ||
3389 | if (m->get_retry_attempt() >= 0) { | |
3390 | if (m->get_retry_attempt() != (op->attempts - 1)) { | |
3391 | ldout(cct, 7) << " ignoring reply from attempt " | |
3392 | << m->get_retry_attempt() | |
3393 | << " from " << m->get_source_inst() | |
3394 | << "; last attempt " << (op->attempts - 1) << " sent to " | |
3395 | << op->session->con->get_peer_addr() << dendl; | |
3396 | m->put(); | |
3397 | sl.unlock(); | |
3398 | return; | |
3399 | } | |
3400 | } else { | |
3401 | // we don't know the request attempt because the server is old, so | |
3402 | // just accept this one. we may do ACK callbacks we shouldn't | |
3403 | // have, but that is better than doing callbacks out of order. | |
3404 | } | |
3405 | ||
3406 | Context *onfinish = 0; | |
3407 | ||
3408 | int rc = m->get_result(); | |
3409 | ||
3410 | if (m->is_redirect_reply()) { | |
3411 | ldout(cct, 5) << " got redirect reply; redirecting" << dendl; | |
3412 | if (op->onfinish) | |
3413 | num_in_flight--; | |
3414 | _session_op_remove(s, op); | |
3415 | sl.unlock(); | |
3416 | ||
3417 | // FIXME: two redirects could race and reorder | |
3418 | ||
3419 | op->tid = 0; | |
3420 | m->get_redirect().combine_with_locator(op->target.target_oloc, | |
3421 | op->target.target_oid.name); | |
3422 | op->target.flags |= (CEPH_OSD_FLAG_REDIRECTED | | |
3423 | CEPH_OSD_FLAG_IGNORE_CACHE | | |
3424 | CEPH_OSD_FLAG_IGNORE_OVERLAY); | |
3425 | _op_submit(op, sul, NULL); | |
3426 | m->put(); | |
3427 | return; | |
3428 | } | |
3429 | ||
3430 | if (rc == -EAGAIN) { | |
3431 | ldout(cct, 7) << " got -EAGAIN, resubmitting" << dendl; | |
3432 | if (op->onfinish) | |
3433 | num_in_flight--; | |
3434 | _session_op_remove(s, op); | |
3435 | sl.unlock(); | |
3436 | ||
3437 | op->tid = 0; | |
3438 | op->target.flags &= ~(CEPH_OSD_FLAG_BALANCE_READS | | |
3439 | CEPH_OSD_FLAG_LOCALIZE_READS); | |
3440 | op->target.pgid = pg_t(); | |
3441 | _op_submit(op, sul, NULL); | |
3442 | m->put(); | |
3443 | return; | |
3444 | } | |
3445 | ||
3446 | sul.unlock(); | |
3447 | ||
3448 | if (op->objver) | |
3449 | *op->objver = m->get_user_version(); | |
3450 | if (op->reply_epoch) | |
3451 | *op->reply_epoch = m->get_map_epoch(); | |
3452 | if (op->data_offset) | |
3453 | *op->data_offset = m->get_header().data_off; | |
3454 | ||
3455 | // got data? | |
3456 | if (op->outbl) { | |
3457 | #if 0 | |
3458 | if (op->con) | |
3459 | op->con->revoke_rx_buffer(op->tid); | |
3460 | #endif | |
3461 | auto& bl = m->get_data(); | |
3462 | if (op->outbl->length() == bl.length() && | |
3463 | bl.get_num_buffers() <= 1) { | |
3464 | // this is here to keep previous users to *relied* on getting data | |
3465 | // read into existing buffers happy. Notably, | |
3466 | // libradosstriper::RadosStriperImpl::aio_read(). | |
3467 | ldout(cct,10) << __func__ << " copying resulting " << bl.length() | |
3468 | << " into existing buffer of length " << op->outbl->length() | |
3469 | << dendl; | |
3470 | bufferlist t; | |
3471 | t.claim(*op->outbl); | |
3472 | t.invalidate_crc(); // we're overwriting the raw buffers via c_str() | |
3473 | bl.copy(0, bl.length(), t.c_str()); | |
3474 | op->outbl->substr_of(t, 0, bl.length()); | |
3475 | } else { | |
3476 | m->claim_data(*op->outbl); | |
3477 | } | |
3478 | op->outbl = 0; | |
3479 | } | |
3480 | ||
3481 | // per-op result demuxing | |
3482 | vector<OSDOp> out_ops; | |
3483 | m->claim_ops(out_ops); | |
3484 | ||
3485 | if (out_ops.size() != op->ops.size()) | |
3486 | ldout(cct, 0) << "WARNING: tid " << op->tid << " reply ops " << out_ops | |
3487 | << " != request ops " << op->ops | |
3488 | << " from " << m->get_source_inst() << dendl; | |
3489 | ||
3490 | vector<bufferlist*>::iterator pb = op->out_bl.begin(); | |
3491 | vector<int*>::iterator pr = op->out_rval.begin(); | |
3492 | vector<Context*>::iterator ph = op->out_handler.begin(); | |
3493 | ceph_assert(op->out_bl.size() == op->out_rval.size()); | |
3494 | ceph_assert(op->out_bl.size() == op->out_handler.size()); | |
3495 | vector<OSDOp>::iterator p = out_ops.begin(); | |
3496 | for (unsigned i = 0; | |
3497 | p != out_ops.end() && pb != op->out_bl.end(); | |
3498 | ++i, ++p, ++pb, ++pr, ++ph) { | |
3499 | ldout(cct, 10) << " op " << i << " rval " << p->rval | |
3500 | << " len " << p->outdata.length() << dendl; | |
3501 | if (*pb) | |
3502 | **pb = p->outdata; | |
3503 | // set rval before running handlers so that handlers | |
3504 | // can change it if e.g. decoding fails | |
3505 | if (*pr) | |
3506 | **pr = ceph_to_hostos_errno(p->rval); | |
3507 | if (*ph) { | |
3508 | ldout(cct, 10) << " op " << i << " handler " << *ph << dendl; | |
3509 | (*ph)->complete(ceph_to_hostos_errno(p->rval)); | |
3510 | *ph = NULL; | |
3511 | } | |
3512 | } | |
3513 | ||
3514 | // NOTE: we assume that since we only request ONDISK ever we will | |
3515 | // only ever get back one (type of) ack ever. | |
3516 | ||
3517 | if (op->onfinish) { | |
3518 | num_in_flight--; | |
3519 | onfinish = op->onfinish; | |
3520 | op->onfinish = NULL; | |
3521 | } | |
3522 | logger->inc(l_osdc_op_reply); | |
3523 | ||
3524 | /* get it before we call _finish_op() */ | |
3525 | auto completion_lock = s->get_lock(op->target.base_oid); | |
3526 | ||
3527 | ldout(cct, 15) << "handle_osd_op_reply completed tid " << tid << dendl; | |
3528 | _finish_op(op, 0); | |
3529 | ||
3530 | ldout(cct, 5) << num_in_flight << " in flight" << dendl; | |
3531 | ||
3532 | // serialize completions | |
3533 | if (completion_lock.mutex()) { | |
3534 | completion_lock.lock(); | |
3535 | } | |
3536 | sl.unlock(); | |
3537 | ||
3538 | // do callbacks | |
3539 | if (onfinish) { | |
3540 | onfinish->complete(rc); | |
3541 | } | |
3542 | if (completion_lock.mutex()) { | |
3543 | completion_lock.unlock(); | |
3544 | } | |
3545 | ||
3546 | m->put(); | |
3547 | } | |
3548 | ||
3549 | void Objecter::handle_osd_backoff(MOSDBackoff *m) | |
3550 | { | |
3551 | ldout(cct, 10) << __func__ << " " << *m << dendl; | |
3552 | shunique_lock sul(rwlock, ceph::acquire_shared); | |
3553 | if (!initialized) { | |
3554 | m->put(); | |
3555 | return; | |
3556 | } | |
3557 | ||
3558 | ConnectionRef con = m->get_connection(); | |
3559 | auto priv = con->get_priv(); | |
3560 | auto s = static_cast<OSDSession*>(priv.get()); | |
3561 | if (!s || s->con != con) { | |
3562 | ldout(cct, 7) << __func__ << " no session on con " << con << dendl; | |
3563 | m->put(); | |
3564 | return; | |
3565 | } | |
3566 | ||
3567 | get_session(s); | |
3568 | ||
3569 | OSDSession::unique_lock sl(s->lock); | |
3570 | ||
3571 | switch (m->op) { | |
3572 | case CEPH_OSD_BACKOFF_OP_BLOCK: | |
3573 | { | |
3574 | // register | |
3575 | OSDBackoff& b = s->backoffs[m->pgid][m->begin]; | |
3576 | s->backoffs_by_id.insert(make_pair(m->id, &b)); | |
3577 | b.pgid = m->pgid; | |
3578 | b.id = m->id; | |
3579 | b.begin = m->begin; | |
3580 | b.end = m->end; | |
3581 | ||
3582 | // ack with original backoff's epoch so that the osd can discard this if | |
3583 | // there was a pg split. | |
3584 | Message *r = new MOSDBackoff(m->pgid, | |
3585 | m->map_epoch, | |
3586 | CEPH_OSD_BACKOFF_OP_ACK_BLOCK, | |
3587 | m->id, m->begin, m->end); | |
3588 | // this priority must match the MOSDOps from _prepare_osd_op | |
3589 | r->set_priority(cct->_conf->osd_client_op_priority); | |
3590 | con->send_message(r); | |
3591 | } | |
3592 | break; | |
3593 | ||
3594 | case CEPH_OSD_BACKOFF_OP_UNBLOCK: | |
3595 | { | |
3596 | auto p = s->backoffs_by_id.find(m->id); | |
3597 | if (p != s->backoffs_by_id.end()) { | |
3598 | OSDBackoff *b = p->second; | |
3599 | if (b->begin != m->begin && | |
3600 | b->end != m->end) { | |
3601 | lderr(cct) << __func__ << " got " << m->pgid << " id " << m->id | |
3602 | << " unblock on [" | |
3603 | << m->begin << "," << m->end << ") but backoff is [" | |
3604 | << b->begin << "," << b->end << ")" << dendl; | |
3605 | // hrmpf, unblock it anyway. | |
3606 | } | |
3607 | ldout(cct, 10) << __func__ << " unblock backoff " << b->pgid | |
3608 | << " id " << b->id | |
3609 | << " [" << b->begin << "," << b->end | |
3610 | << ")" << dendl; | |
3611 | auto spgp = s->backoffs.find(b->pgid); | |
3612 | ceph_assert(spgp != s->backoffs.end()); | |
3613 | spgp->second.erase(b->begin); | |
3614 | if (spgp->second.empty()) { | |
3615 | s->backoffs.erase(spgp); | |
3616 | } | |
3617 | s->backoffs_by_id.erase(p); | |
3618 | ||
3619 | // check for any ops to resend | |
3620 | for (auto& q : s->ops) { | |
3621 | if (q.second->target.actual_pgid == m->pgid) { | |
3622 | int r = q.second->target.contained_by(m->begin, m->end); | |
3623 | ldout(cct, 20) << __func__ << " contained_by " << r << " on " | |
3624 | << q.second->target.get_hobj() << dendl; | |
3625 | if (r) { | |
3626 | _send_op(q.second); | |
3627 | } | |
3628 | } | |
3629 | } | |
3630 | } else { | |
3631 | lderr(cct) << __func__ << " " << m->pgid << " id " << m->id | |
3632 | << " unblock on [" | |
3633 | << m->begin << "," << m->end << ") but backoff dne" << dendl; | |
3634 | } | |
3635 | } | |
3636 | break; | |
3637 | ||
3638 | default: | |
3639 | ldout(cct, 10) << __func__ << " unrecognized op " << (int)m->op << dendl; | |
3640 | } | |
3641 | ||
3642 | sul.unlock(); | |
3643 | sl.unlock(); | |
3644 | ||
3645 | m->put(); | |
3646 | put_session(s); | |
3647 | } | |
3648 | ||
3649 | uint32_t Objecter::list_nobjects_seek(NListContext *list_context, | |
3650 | uint32_t pos) | |
3651 | { | |
3652 | shared_lock rl(rwlock); | |
3653 | list_context->pos = hobject_t(object_t(), string(), CEPH_NOSNAP, | |
3654 | pos, list_context->pool_id, string()); | |
3655 | ldout(cct, 10) << __func__ << " " << list_context | |
3656 | << " pos " << pos << " -> " << list_context->pos << dendl; | |
3657 | pg_t actual = osdmap->raw_pg_to_pg(pg_t(pos, list_context->pool_id)); | |
3658 | list_context->current_pg = actual.ps(); | |
3659 | list_context->at_end_of_pool = false; | |
3660 | return pos; | |
3661 | } | |
3662 | ||
3663 | uint32_t Objecter::list_nobjects_seek(NListContext *list_context, | |
3664 | const hobject_t& cursor) | |
3665 | { | |
3666 | shared_lock rl(rwlock); | |
3667 | ldout(cct, 10) << "list_nobjects_seek " << list_context << dendl; | |
3668 | list_context->pos = cursor; | |
3669 | list_context->at_end_of_pool = false; | |
3670 | pg_t actual = osdmap->raw_pg_to_pg(pg_t(cursor.get_hash(), list_context->pool_id)); | |
3671 | list_context->current_pg = actual.ps(); | |
3672 | list_context->sort_bitwise = true; | |
3673 | return list_context->current_pg; | |
3674 | } | |
3675 | ||
3676 | void Objecter::list_nobjects_get_cursor(NListContext *list_context, | |
3677 | hobject_t *cursor) | |
3678 | { | |
3679 | shared_lock rl(rwlock); | |
3680 | if (list_context->list.empty()) { | |
3681 | *cursor = list_context->pos; | |
3682 | } else { | |
3683 | const librados::ListObjectImpl& entry = list_context->list.front(); | |
3684 | const string *key = (entry.locator.empty() ? &entry.oid : &entry.locator); | |
3685 | uint32_t h = osdmap->get_pg_pool(list_context->pool_id)->hash_key(*key, entry.nspace); | |
3686 | *cursor = hobject_t(entry.oid, entry.locator, list_context->pool_snap_seq, h, list_context->pool_id, entry.nspace); | |
3687 | } | |
3688 | } | |
3689 | ||
3690 | void Objecter::list_nobjects(NListContext *list_context, Context *onfinish) | |
3691 | { | |
3692 | ldout(cct, 10) << __func__ << " pool_id " << list_context->pool_id | |
3693 | << " pool_snap_seq " << list_context->pool_snap_seq | |
3694 | << " max_entries " << list_context->max_entries | |
3695 | << " list_context " << list_context | |
3696 | << " onfinish " << onfinish | |
3697 | << " current_pg " << list_context->current_pg | |
3698 | << " pos " << list_context->pos << dendl; | |
3699 | ||
3700 | shared_lock rl(rwlock); | |
3701 | const pg_pool_t *pool = osdmap->get_pg_pool(list_context->pool_id); | |
3702 | if (!pool) { // pool is gone | |
3703 | rl.unlock(); | |
3704 | put_nlist_context_budget(list_context); | |
3705 | onfinish->complete(-ENOENT); | |
3706 | return; | |
3707 | } | |
3708 | int pg_num = pool->get_pg_num(); | |
3709 | bool sort_bitwise = osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE); | |
3710 | ||
3711 | if (list_context->pos.is_min()) { | |
3712 | list_context->starting_pg_num = 0; | |
3713 | list_context->sort_bitwise = sort_bitwise; | |
3714 | list_context->starting_pg_num = pg_num; | |
3715 | } | |
3716 | if (list_context->sort_bitwise != sort_bitwise) { | |
3717 | list_context->pos = hobject_t( | |
3718 | object_t(), string(), CEPH_NOSNAP, | |
3719 | list_context->current_pg, list_context->pool_id, string()); | |
3720 | list_context->sort_bitwise = sort_bitwise; | |
3721 | ldout(cct, 10) << " hobject sort order changed, restarting this pg at " | |
3722 | << list_context->pos << dendl; | |
3723 | } | |
3724 | if (list_context->starting_pg_num != pg_num) { | |
3725 | if (!sort_bitwise) { | |
3726 | // start reading from the beginning; the pgs have changed | |
3727 | ldout(cct, 10) << " pg_num changed; restarting with " << pg_num << dendl; | |
3728 | list_context->pos = collection_list_handle_t(); | |
3729 | } | |
3730 | list_context->starting_pg_num = pg_num; | |
3731 | } | |
3732 | ||
3733 | if (list_context->pos.is_max()) { | |
3734 | ldout(cct, 20) << __func__ << " end of pool, list " | |
3735 | << list_context->list << dendl; | |
3736 | if (list_context->list.empty()) { | |
3737 | list_context->at_end_of_pool = true; | |
3738 | } | |
3739 | // release the listing context's budget once all | |
3740 | // OPs (in the session) are finished | |
3741 | put_nlist_context_budget(list_context); | |
3742 | onfinish->complete(0); | |
3743 | return; | |
3744 | } | |
3745 | ||
3746 | ObjectOperation op; | |
3747 | op.pg_nls(list_context->max_entries, list_context->filter, | |
3748 | list_context->pos, osdmap->get_epoch()); | |
3749 | list_context->bl.clear(); | |
3750 | C_NList *onack = new C_NList(list_context, onfinish, this); | |
3751 | object_locator_t oloc(list_context->pool_id, list_context->nspace); | |
3752 | ||
3753 | // note current_pg in case we don't have (or lose) SORTBITWISE | |
3754 | list_context->current_pg = pool->raw_hash_to_pg(list_context->pos.get_hash()); | |
3755 | rl.unlock(); | |
3756 | ||
3757 | pg_read(list_context->current_pg, oloc, op, | |
3758 | &list_context->bl, 0, onack, &onack->epoch, | |
3759 | &list_context->ctx_budget); | |
3760 | } | |
3761 | ||
3762 | void Objecter::_nlist_reply(NListContext *list_context, int r, | |
3763 | Context *final_finish, epoch_t reply_epoch) | |
3764 | { | |
3765 | ldout(cct, 10) << __func__ << " " << list_context << dendl; | |
3766 | ||
3767 | auto iter = list_context->bl.cbegin(); | |
3768 | pg_nls_response_t response; | |
3769 | bufferlist extra_info; | |
3770 | decode(response, iter); | |
3771 | if (!iter.end()) { | |
3772 | decode(extra_info, iter); | |
3773 | } | |
3774 | ||
3775 | // if the osd returns 1 (newer code), or handle MAX, it means we | |
3776 | // hit the end of the pg. | |
3777 | if ((response.handle.is_max() || r == 1) && | |
3778 | !list_context->sort_bitwise) { | |
3779 | // legacy OSD and !sortbitwise, figure out the next PG on our own | |
3780 | ++list_context->current_pg; | |
3781 | if (list_context->current_pg == list_context->starting_pg_num) { | |
3782 | // end of pool | |
3783 | list_context->pos = hobject_t::get_max(); | |
3784 | } else { | |
3785 | // next pg | |
3786 | list_context->pos = hobject_t(object_t(), string(), CEPH_NOSNAP, | |
3787 | list_context->current_pg, | |
3788 | list_context->pool_id, string()); | |
3789 | } | |
3790 | } else { | |
3791 | list_context->pos = response.handle; | |
3792 | } | |
3793 | ||
3794 | int response_size = response.entries.size(); | |
3795 | ldout(cct, 20) << " response.entries.size " << response_size | |
3796 | << ", response.entries " << response.entries | |
3797 | << ", handle " << response.handle | |
3798 | << ", tentative new pos " << list_context->pos << dendl; | |
3799 | list_context->extra_info.append(extra_info); | |
3800 | if (response_size) { | |
3801 | list_context->list.splice(list_context->list.end(), response.entries); | |
3802 | } | |
3803 | ||
3804 | if (list_context->list.size() >= list_context->max_entries) { | |
3805 | ldout(cct, 20) << " hit max, returning results so far, " | |
3806 | << list_context->list << dendl; | |
3807 | // release the listing context's budget once all | |
3808 | // OPs (in the session) are finished | |
3809 | put_nlist_context_budget(list_context); | |
3810 | final_finish->complete(0); | |
3811 | return; | |
3812 | } | |
3813 | ||
3814 | // continue! | |
3815 | list_nobjects(list_context, final_finish); | |
3816 | } | |
3817 | ||
3818 | void Objecter::put_nlist_context_budget(NListContext *list_context) | |
3819 | { | |
3820 | if (list_context->ctx_budget >= 0) { | |
3821 | ldout(cct, 10) << " release listing context's budget " << | |
3822 | list_context->ctx_budget << dendl; | |
3823 | put_op_budget_bytes(list_context->ctx_budget); | |
3824 | list_context->ctx_budget = -1; | |
3825 | } | |
3826 | } | |
3827 | ||
3828 | // snapshots | |
3829 | ||
3830 | int Objecter::create_pool_snap(int64_t pool, string& snap_name, | |
3831 | Context *onfinish) | |
3832 | { | |
3833 | unique_lock wl(rwlock); | |
3834 | ldout(cct, 10) << "create_pool_snap; pool: " << pool << "; snap: " | |
3835 | << snap_name << dendl; | |
3836 | ||
3837 | const pg_pool_t *p = osdmap->get_pg_pool(pool); | |
3838 | if (!p) | |
3839 | return -EINVAL; | |
3840 | if (p->snap_exists(snap_name.c_str())) | |
3841 | return -EEXIST; | |
3842 | ||
3843 | PoolOp *op = new PoolOp; | |
3844 | if (!op) | |
3845 | return -ENOMEM; | |
3846 | op->tid = ++last_tid; | |
3847 | op->pool = pool; | |
3848 | op->name = snap_name; | |
3849 | op->onfinish = onfinish; | |
3850 | op->pool_op = POOL_OP_CREATE_SNAP; | |
3851 | pool_ops[op->tid] = op; | |
3852 | ||
3853 | pool_op_submit(op); | |
3854 | ||
3855 | return 0; | |
3856 | } | |
3857 | ||
3858 | struct C_SelfmanagedSnap : public Context { | |
3859 | bufferlist bl; | |
3860 | snapid_t *psnapid; | |
3861 | Context *fin; | |
3862 | C_SelfmanagedSnap(snapid_t *ps, Context *f) : psnapid(ps), fin(f) {} | |
3863 | void finish(int r) override { | |
3864 | if (r == 0) { | |
3865 | try { | |
3866 | auto p = bl.cbegin(); | |
3867 | decode(*psnapid, p); | |
3868 | } catch (buffer::error&) { | |
3869 | r = -EIO; | |
3870 | } | |
3871 | } | |
3872 | fin->complete(r); | |
3873 | } | |
3874 | }; | |
3875 | ||
3876 | int Objecter::allocate_selfmanaged_snap(int64_t pool, snapid_t *psnapid, | |
3877 | Context *onfinish) | |
3878 | { | |
3879 | unique_lock wl(rwlock); | |
3880 | ldout(cct, 10) << "allocate_selfmanaged_snap; pool: " << pool << dendl; | |
3881 | PoolOp *op = new PoolOp; | |
3882 | if (!op) return -ENOMEM; | |
3883 | op->tid = ++last_tid; | |
3884 | op->pool = pool; | |
3885 | C_SelfmanagedSnap *fin = new C_SelfmanagedSnap(psnapid, onfinish); | |
3886 | op->onfinish = fin; | |
3887 | op->blp = &fin->bl; | |
3888 | op->pool_op = POOL_OP_CREATE_UNMANAGED_SNAP; | |
3889 | pool_ops[op->tid] = op; | |
3890 | ||
3891 | pool_op_submit(op); | |
3892 | return 0; | |
3893 | } | |
3894 | ||
3895 | int Objecter::delete_pool_snap(int64_t pool, string& snap_name, | |
3896 | Context *onfinish) | |
3897 | { | |
3898 | unique_lock wl(rwlock); | |
3899 | ldout(cct, 10) << "delete_pool_snap; pool: " << pool << "; snap: " | |
3900 | << snap_name << dendl; | |
3901 | ||
3902 | const pg_pool_t *p = osdmap->get_pg_pool(pool); | |
3903 | if (!p) | |
3904 | return -EINVAL; | |
3905 | if (!p->snap_exists(snap_name.c_str())) | |
3906 | return -ENOENT; | |
3907 | ||
3908 | PoolOp *op = new PoolOp; | |
3909 | if (!op) | |
3910 | return -ENOMEM; | |
3911 | op->tid = ++last_tid; | |
3912 | op->pool = pool; | |
3913 | op->name = snap_name; | |
3914 | op->onfinish = onfinish; | |
3915 | op->pool_op = POOL_OP_DELETE_SNAP; | |
3916 | pool_ops[op->tid] = op; | |
3917 | ||
3918 | pool_op_submit(op); | |
3919 | ||
3920 | return 0; | |
3921 | } | |
3922 | ||
3923 | int Objecter::delete_selfmanaged_snap(int64_t pool, snapid_t snap, | |
3924 | Context *onfinish) | |
3925 | { | |
3926 | unique_lock wl(rwlock); | |
3927 | ldout(cct, 10) << "delete_selfmanaged_snap; pool: " << pool << "; snap: " | |
3928 | << snap << dendl; | |
3929 | PoolOp *op = new PoolOp; | |
3930 | if (!op) return -ENOMEM; | |
3931 | op->tid = ++last_tid; | |
3932 | op->pool = pool; | |
3933 | op->onfinish = onfinish; | |
3934 | op->pool_op = POOL_OP_DELETE_UNMANAGED_SNAP; | |
3935 | op->snapid = snap; | |
3936 | pool_ops[op->tid] = op; | |
3937 | ||
3938 | pool_op_submit(op); | |
3939 | ||
3940 | return 0; | |
3941 | } | |
3942 | ||
3943 | int Objecter::create_pool(string& name, Context *onfinish, | |
3944 | int crush_rule) | |
3945 | { | |
3946 | unique_lock wl(rwlock); | |
3947 | ldout(cct, 10) << "create_pool name=" << name << dendl; | |
3948 | ||
3949 | if (osdmap->lookup_pg_pool_name(name) >= 0) | |
3950 | return -EEXIST; | |
3951 | ||
3952 | PoolOp *op = new PoolOp; | |
3953 | if (!op) | |
3954 | return -ENOMEM; | |
3955 | op->tid = ++last_tid; | |
3956 | op->pool = 0; | |
3957 | op->name = name; | |
3958 | op->onfinish = onfinish; | |
3959 | op->pool_op = POOL_OP_CREATE; | |
3960 | pool_ops[op->tid] = op; | |
3961 | op->crush_rule = crush_rule; | |
3962 | ||
3963 | pool_op_submit(op); | |
3964 | ||
3965 | return 0; | |
3966 | } | |
3967 | ||
3968 | int Objecter::delete_pool(int64_t pool, Context *onfinish) | |
3969 | { | |
3970 | unique_lock wl(rwlock); | |
3971 | ldout(cct, 10) << "delete_pool " << pool << dendl; | |
3972 | ||
3973 | if (!osdmap->have_pg_pool(pool)) | |
3974 | return -ENOENT; | |
3975 | ||
3976 | _do_delete_pool(pool, onfinish); | |
3977 | return 0; | |
3978 | } | |
3979 | ||
3980 | int Objecter::delete_pool(const string &pool_name, Context *onfinish) | |
3981 | { | |
3982 | unique_lock wl(rwlock); | |
3983 | ldout(cct, 10) << "delete_pool " << pool_name << dendl; | |
3984 | ||
3985 | int64_t pool = osdmap->lookup_pg_pool_name(pool_name); | |
3986 | if (pool < 0) | |
3987 | return pool; | |
3988 | ||
3989 | _do_delete_pool(pool, onfinish); | |
3990 | return 0; | |
3991 | } | |
3992 | ||
3993 | void Objecter::_do_delete_pool(int64_t pool, Context *onfinish) | |
3994 | { | |
3995 | PoolOp *op = new PoolOp; | |
3996 | op->tid = ++last_tid; | |
3997 | op->pool = pool; | |
3998 | op->name = "delete"; | |
3999 | op->onfinish = onfinish; | |
4000 | op->pool_op = POOL_OP_DELETE; | |
4001 | pool_ops[op->tid] = op; | |
4002 | pool_op_submit(op); | |
4003 | } | |
4004 | ||
4005 | void Objecter::pool_op_submit(PoolOp *op) | |
4006 | { | |
4007 | // rwlock is locked | |
4008 | if (mon_timeout > timespan(0)) { | |
4009 | op->ontimeout = timer.add_event(mon_timeout, | |
4010 | [this, op]() { | |
4011 | pool_op_cancel(op->tid, -ETIMEDOUT); }); | |
4012 | } | |
4013 | _pool_op_submit(op); | |
4014 | } | |
4015 | ||
4016 | void Objecter::_pool_op_submit(PoolOp *op) | |
4017 | { | |
4018 | // rwlock is locked unique | |
4019 | ||
4020 | ldout(cct, 10) << "pool_op_submit " << op->tid << dendl; | |
4021 | MPoolOp *m = new MPoolOp(monc->get_fsid(), op->tid, op->pool, | |
4022 | op->name, op->pool_op, | |
4023 | last_seen_osdmap_version); | |
4024 | if (op->snapid) m->snapid = op->snapid; | |
4025 | if (op->crush_rule) m->crush_rule = op->crush_rule; | |
4026 | monc->send_mon_message(m); | |
4027 | op->last_submit = ceph::coarse_mono_clock::now(); | |
4028 | ||
4029 | logger->inc(l_osdc_poolop_send); | |
4030 | } | |
4031 | ||
4032 | /** | |
4033 | * Handle a reply to a PoolOp message. Check that we sent the message | |
4034 | * and give the caller responsibility for the returned bufferlist. | |
4035 | * Then either call the finisher or stash the PoolOp, depending on if we | |
4036 | * have a new enough map. | |
4037 | * Lastly, clean up the message and PoolOp. | |
4038 | */ | |
4039 | void Objecter::handle_pool_op_reply(MPoolOpReply *m) | |
4040 | { | |
4041 | FUNCTRACE(cct); | |
4042 | shunique_lock sul(rwlock, acquire_shared); | |
4043 | if (!initialized) { | |
4044 | sul.unlock(); | |
4045 | m->put(); | |
4046 | return; | |
4047 | } | |
4048 | ||
4049 | ldout(cct, 10) << "handle_pool_op_reply " << *m << dendl; | |
4050 | ceph_tid_t tid = m->get_tid(); | |
4051 | map<ceph_tid_t, PoolOp *>::iterator iter = pool_ops.find(tid); | |
4052 | if (iter != pool_ops.end()) { | |
4053 | PoolOp *op = iter->second; | |
4054 | ldout(cct, 10) << "have request " << tid << " at " << op << " Op: " | |
4055 | << ceph_pool_op_name(op->pool_op) << dendl; | |
4056 | if (op->blp) | |
4057 | op->blp->claim(m->response_data); | |
4058 | if (m->version > last_seen_osdmap_version) | |
4059 | last_seen_osdmap_version = m->version; | |
4060 | if (osdmap->get_epoch() < m->epoch) { | |
4061 | sul.unlock(); | |
4062 | sul.lock(); | |
4063 | // recheck op existence since we have let go of rwlock | |
4064 | // (for promotion) above. | |
4065 | iter = pool_ops.find(tid); | |
4066 | if (iter == pool_ops.end()) | |
4067 | goto done; // op is gone. | |
4068 | if (osdmap->get_epoch() < m->epoch) { | |
4069 | ldout(cct, 20) << "waiting for client to reach epoch " << m->epoch | |
4070 | << " before calling back" << dendl; | |
4071 | _wait_for_new_map(op->onfinish, m->epoch, m->replyCode); | |
4072 | } else { | |
4073 | // map epoch changed, probably because a MOSDMap message | |
4074 | // sneaked in. Do caller-specified callback now or else | |
4075 | // we lose it forever. | |
4076 | ceph_assert(op->onfinish); | |
4077 | op->onfinish->complete(m->replyCode); | |
4078 | } | |
4079 | } else { | |
4080 | ceph_assert(op->onfinish); | |
4081 | op->onfinish->complete(m->replyCode); | |
4082 | } | |
4083 | op->onfinish = NULL; | |
4084 | if (!sul.owns_lock()) { | |
4085 | sul.unlock(); | |
4086 | sul.lock(); | |
4087 | } | |
4088 | iter = pool_ops.find(tid); | |
4089 | if (iter != pool_ops.end()) { | |
4090 | _finish_pool_op(op, 0); | |
4091 | } | |
4092 | } else { | |
4093 | ldout(cct, 10) << "unknown request " << tid << dendl; | |
4094 | } | |
4095 | ||
4096 | done: | |
4097 | // Not strictly necessary, since we'll release it on return. | |
4098 | sul.unlock(); | |
4099 | ||
4100 | ldout(cct, 10) << "done" << dendl; | |
4101 | m->put(); | |
4102 | } | |
4103 | ||
4104 | int Objecter::pool_op_cancel(ceph_tid_t tid, int r) | |
4105 | { | |
4106 | ceph_assert(initialized); | |
4107 | ||
4108 | unique_lock wl(rwlock); | |
4109 | ||
4110 | map<ceph_tid_t, PoolOp*>::iterator it = pool_ops.find(tid); | |
4111 | if (it == pool_ops.end()) { | |
4112 | ldout(cct, 10) << __func__ << " tid " << tid << " dne" << dendl; | |
4113 | return -ENOENT; | |
4114 | } | |
4115 | ||
4116 | ldout(cct, 10) << __func__ << " tid " << tid << dendl; | |
4117 | ||
4118 | PoolOp *op = it->second; | |
4119 | if (op->onfinish) | |
4120 | op->onfinish->complete(r); | |
4121 | ||
4122 | _finish_pool_op(op, r); | |
4123 | return 0; | |
4124 | } | |
4125 | ||
4126 | void Objecter::_finish_pool_op(PoolOp *op, int r) | |
4127 | { | |
4128 | // rwlock is locked unique | |
4129 | pool_ops.erase(op->tid); | |
4130 | logger->set(l_osdc_poolop_active, pool_ops.size()); | |
4131 | ||
4132 | if (op->ontimeout && r != -ETIMEDOUT) { | |
4133 | timer.cancel_event(op->ontimeout); | |
4134 | } | |
4135 | ||
4136 | delete op; | |
4137 | } | |
4138 | ||
4139 | // pool stats | |
4140 | ||
4141 | void Objecter::get_pool_stats(list<string>& pools, | |
4142 | map<string,pool_stat_t> *result, | |
4143 | bool *per_pool, | |
4144 | Context *onfinish) | |
4145 | { | |
4146 | ldout(cct, 10) << "get_pool_stats " << pools << dendl; | |
4147 | ||
4148 | PoolStatOp *op = new PoolStatOp; | |
4149 | op->tid = ++last_tid; | |
4150 | op->pools = pools; | |
4151 | op->pool_stats = result; | |
4152 | op->per_pool = per_pool; | |
4153 | op->onfinish = onfinish; | |
4154 | if (mon_timeout > timespan(0)) { | |
4155 | op->ontimeout = timer.add_event(mon_timeout, | |
4156 | [this, op]() { | |
4157 | pool_stat_op_cancel(op->tid, | |
4158 | -ETIMEDOUT); }); | |
4159 | } else { | |
4160 | op->ontimeout = 0; | |
4161 | } | |
4162 | ||
4163 | unique_lock wl(rwlock); | |
4164 | ||
4165 | poolstat_ops[op->tid] = op; | |
4166 | ||
4167 | logger->set(l_osdc_poolstat_active, poolstat_ops.size()); | |
4168 | ||
4169 | _poolstat_submit(op); | |
4170 | } | |
4171 | ||
4172 | void Objecter::_poolstat_submit(PoolStatOp *op) | |
4173 | { | |
4174 | ldout(cct, 10) << "_poolstat_submit " << op->tid << dendl; | |
4175 | monc->send_mon_message(new MGetPoolStats(monc->get_fsid(), op->tid, | |
4176 | op->pools, | |
4177 | last_seen_pgmap_version)); | |
4178 | op->last_submit = ceph::coarse_mono_clock::now(); | |
4179 | ||
4180 | logger->inc(l_osdc_poolstat_send); | |
4181 | } | |
4182 | ||
4183 | void Objecter::handle_get_pool_stats_reply(MGetPoolStatsReply *m) | |
4184 | { | |
4185 | ldout(cct, 10) << "handle_get_pool_stats_reply " << *m << dendl; | |
4186 | ceph_tid_t tid = m->get_tid(); | |
4187 | ||
4188 | unique_lock wl(rwlock); | |
4189 | if (!initialized) { | |
4190 | m->put(); | |
4191 | return; | |
4192 | } | |
4193 | ||
4194 | map<ceph_tid_t, PoolStatOp *>::iterator iter = poolstat_ops.find(tid); | |
4195 | if (iter != poolstat_ops.end()) { | |
4196 | PoolStatOp *op = poolstat_ops[tid]; | |
4197 | ldout(cct, 10) << "have request " << tid << " at " << op << dendl; | |
4198 | *op->pool_stats = m->pool_stats; | |
4199 | *op->per_pool = m->per_pool; | |
4200 | if (m->version > last_seen_pgmap_version) { | |
4201 | last_seen_pgmap_version = m->version; | |
4202 | } | |
4203 | op->onfinish->complete(0); | |
4204 | _finish_pool_stat_op(op, 0); | |
4205 | } else { | |
4206 | ldout(cct, 10) << "unknown request " << tid << dendl; | |
4207 | } | |
4208 | ldout(cct, 10) << "done" << dendl; | |
4209 | m->put(); | |
4210 | } | |
4211 | ||
4212 | int Objecter::pool_stat_op_cancel(ceph_tid_t tid, int r) | |
4213 | { | |
4214 | ceph_assert(initialized); | |
4215 | ||
4216 | unique_lock wl(rwlock); | |
4217 | ||
4218 | map<ceph_tid_t, PoolStatOp*>::iterator it = poolstat_ops.find(tid); | |
4219 | if (it == poolstat_ops.end()) { | |
4220 | ldout(cct, 10) << __func__ << " tid " << tid << " dne" << dendl; | |
4221 | return -ENOENT; | |
4222 | } | |
4223 | ||
4224 | ldout(cct, 10) << __func__ << " tid " << tid << dendl; | |
4225 | ||
4226 | PoolStatOp *op = it->second; | |
4227 | if (op->onfinish) | |
4228 | op->onfinish->complete(r); | |
4229 | _finish_pool_stat_op(op, r); | |
4230 | return 0; | |
4231 | } | |
4232 | ||
4233 | void Objecter::_finish_pool_stat_op(PoolStatOp *op, int r) | |
4234 | { | |
4235 | // rwlock is locked unique | |
4236 | ||
4237 | poolstat_ops.erase(op->tid); | |
4238 | logger->set(l_osdc_poolstat_active, poolstat_ops.size()); | |
4239 | ||
4240 | if (op->ontimeout && r != -ETIMEDOUT) | |
4241 | timer.cancel_event(op->ontimeout); | |
4242 | ||
4243 | delete op; | |
4244 | } | |
4245 | ||
4246 | void Objecter::get_fs_stats(ceph_statfs& result, | |
4247 | boost::optional<int64_t> data_pool, | |
4248 | Context *onfinish) | |
4249 | { | |
4250 | ldout(cct, 10) << "get_fs_stats" << dendl; | |
4251 | unique_lock l(rwlock); | |
4252 | ||
4253 | StatfsOp *op = new StatfsOp; | |
4254 | op->tid = ++last_tid; | |
4255 | op->stats = &result; | |
4256 | op->data_pool = data_pool; | |
4257 | op->onfinish = onfinish; | |
4258 | if (mon_timeout > timespan(0)) { | |
4259 | op->ontimeout = timer.add_event(mon_timeout, | |
4260 | [this, op]() { | |
4261 | statfs_op_cancel(op->tid, | |
4262 | -ETIMEDOUT); }); | |
4263 | } else { | |
4264 | op->ontimeout = 0; | |
4265 | } | |
4266 | statfs_ops[op->tid] = op; | |
4267 | ||
4268 | logger->set(l_osdc_statfs_active, statfs_ops.size()); | |
4269 | ||
4270 | _fs_stats_submit(op); | |
4271 | } | |
4272 | ||
4273 | void Objecter::_fs_stats_submit(StatfsOp *op) | |
4274 | { | |
4275 | // rwlock is locked unique | |
4276 | ||
4277 | ldout(cct, 10) << "fs_stats_submit" << op->tid << dendl; | |
4278 | monc->send_mon_message(new MStatfs(monc->get_fsid(), op->tid, | |
4279 | op->data_pool, | |
4280 | last_seen_pgmap_version)); | |
4281 | op->last_submit = ceph::coarse_mono_clock::now(); | |
4282 | ||
4283 | logger->inc(l_osdc_statfs_send); | |
4284 | } | |
4285 | ||
4286 | void Objecter::handle_fs_stats_reply(MStatfsReply *m) | |
4287 | { | |
4288 | unique_lock wl(rwlock); | |
4289 | if (!initialized) { | |
4290 | m->put(); | |
4291 | return; | |
4292 | } | |
4293 | ||
4294 | ldout(cct, 10) << "handle_fs_stats_reply " << *m << dendl; | |
4295 | ceph_tid_t tid = m->get_tid(); | |
4296 | ||
4297 | if (statfs_ops.count(tid)) { | |
4298 | StatfsOp *op = statfs_ops[tid]; | |
4299 | ldout(cct, 10) << "have request " << tid << " at " << op << dendl; | |
4300 | *(op->stats) = m->h.st; | |
4301 | if (m->h.version > last_seen_pgmap_version) | |
4302 | last_seen_pgmap_version = m->h.version; | |
4303 | op->onfinish->complete(0); | |
4304 | _finish_statfs_op(op, 0); | |
4305 | } else { | |
4306 | ldout(cct, 10) << "unknown request " << tid << dendl; | |
4307 | } | |
4308 | m->put(); | |
4309 | ldout(cct, 10) << "done" << dendl; | |
4310 | } | |
4311 | ||
4312 | int Objecter::statfs_op_cancel(ceph_tid_t tid, int r) | |
4313 | { | |
4314 | ceph_assert(initialized); | |
4315 | ||
4316 | unique_lock wl(rwlock); | |
4317 | ||
4318 | map<ceph_tid_t, StatfsOp*>::iterator it = statfs_ops.find(tid); | |
4319 | if (it == statfs_ops.end()) { | |
4320 | ldout(cct, 10) << __func__ << " tid " << tid << " dne" << dendl; | |
4321 | return -ENOENT; | |
4322 | } | |
4323 | ||
4324 | ldout(cct, 10) << __func__ << " tid " << tid << dendl; | |
4325 | ||
4326 | StatfsOp *op = it->second; | |
4327 | if (op->onfinish) | |
4328 | op->onfinish->complete(r); | |
4329 | _finish_statfs_op(op, r); | |
4330 | return 0; | |
4331 | } | |
4332 | ||
4333 | void Objecter::_finish_statfs_op(StatfsOp *op, int r) | |
4334 | { | |
4335 | // rwlock is locked unique | |
4336 | ||
4337 | statfs_ops.erase(op->tid); | |
4338 | logger->set(l_osdc_statfs_active, statfs_ops.size()); | |
4339 | ||
4340 | if (op->ontimeout && r != -ETIMEDOUT) | |
4341 | timer.cancel_event(op->ontimeout); | |
4342 | ||
4343 | delete op; | |
4344 | } | |
4345 | ||
4346 | // scatter/gather | |
4347 | ||
4348 | void Objecter::_sg_read_finish(vector<ObjectExtent>& extents, | |
4349 | vector<bufferlist>& resultbl, | |
4350 | bufferlist *bl, Context *onfinish) | |
4351 | { | |
4352 | // all done | |
4353 | ldout(cct, 15) << "_sg_read_finish" << dendl; | |
4354 | ||
4355 | if (extents.size() > 1) { | |
4356 | Striper::StripedReadResult r; | |
4357 | vector<bufferlist>::iterator bit = resultbl.begin(); | |
4358 | for (vector<ObjectExtent>::iterator eit = extents.begin(); | |
4359 | eit != extents.end(); | |
4360 | ++eit, ++bit) { | |
4361 | r.add_partial_result(cct, *bit, eit->buffer_extents); | |
4362 | } | |
4363 | bl->clear(); | |
4364 | r.assemble_result(cct, *bl, false); | |
4365 | } else { | |
4366 | ldout(cct, 15) << " only one frag" << dendl; | |
4367 | bl->claim(resultbl[0]); | |
4368 | } | |
4369 | ||
4370 | // done | |
4371 | uint64_t bytes_read = bl->length(); | |
4372 | ldout(cct, 7) << "_sg_read_finish " << bytes_read << " bytes" << dendl; | |
4373 | ||
4374 | if (onfinish) { | |
4375 | onfinish->complete(bytes_read);// > 0 ? bytes_read:m->get_result()); | |
4376 | } | |
4377 | } | |
4378 | ||
4379 | ||
4380 | void Objecter::ms_handle_connect(Connection *con) | |
4381 | { | |
4382 | ldout(cct, 10) << "ms_handle_connect " << con << dendl; | |
4383 | if (!initialized) | |
4384 | return; | |
4385 | ||
4386 | if (con->get_peer_type() == CEPH_ENTITY_TYPE_MON) | |
4387 | resend_mon_ops(); | |
4388 | } | |
4389 | ||
4390 | bool Objecter::ms_handle_reset(Connection *con) | |
4391 | { | |
4392 | if (!initialized) | |
4393 | return false; | |
4394 | if (con->get_peer_type() == CEPH_ENTITY_TYPE_OSD) { | |
4395 | unique_lock wl(rwlock); | |
4396 | ||
4397 | auto priv = con->get_priv(); | |
4398 | auto session = static_cast<OSDSession*>(priv.get()); | |
4399 | if (session) { | |
4400 | ldout(cct, 1) << "ms_handle_reset " << con << " session " << session | |
4401 | << " osd." << session->osd << dendl; | |
4402 | // the session maybe had been closed if new osdmap just handled | |
4403 | // says the osd down | |
4404 | if (!(initialized && osdmap->is_up(session->osd))) { | |
4405 | ldout(cct, 1) << "ms_handle_reset aborted,initialized=" << initialized << dendl; | |
4406 | wl.unlock(); | |
4407 | return false; | |
4408 | } | |
4409 | map<uint64_t, LingerOp *> lresend; | |
4410 | OSDSession::unique_lock sl(session->lock); | |
4411 | _reopen_session(session); | |
4412 | _kick_requests(session, lresend); | |
4413 | sl.unlock(); | |
4414 | _linger_ops_resend(lresend, wl); | |
4415 | wl.unlock(); | |
4416 | maybe_request_map(); | |
4417 | } | |
4418 | return true; | |
4419 | } | |
4420 | return false; | |
4421 | } | |
4422 | ||
4423 | void Objecter::ms_handle_remote_reset(Connection *con) | |
4424 | { | |
4425 | /* | |
4426 | * treat these the same. | |
4427 | */ | |
4428 | ms_handle_reset(con); | |
4429 | } | |
4430 | ||
4431 | bool Objecter::ms_handle_refused(Connection *con) | |
4432 | { | |
4433 | // just log for now | |
4434 | if (osdmap && (con->get_peer_type() == CEPH_ENTITY_TYPE_OSD)) { | |
4435 | int osd = osdmap->identify_osd(con->get_peer_addr()); | |
4436 | if (osd >= 0) { | |
4437 | ldout(cct, 1) << "ms_handle_refused on osd." << osd << dendl; | |
4438 | } | |
4439 | } | |
4440 | return false; | |
4441 | } | |
4442 | ||
4443 | bool Objecter::ms_get_authorizer(int dest_type, | |
4444 | AuthAuthorizer **authorizer) | |
4445 | { | |
4446 | if (!initialized) | |
4447 | return false; | |
4448 | if (dest_type == CEPH_ENTITY_TYPE_MON) | |
4449 | return true; | |
4450 | *authorizer = monc->build_authorizer(dest_type); | |
4451 | return *authorizer != NULL; | |
4452 | } | |
4453 | ||
4454 | void Objecter::op_target_t::dump(Formatter *f) const | |
4455 | { | |
4456 | f->dump_stream("pg") << pgid; | |
4457 | f->dump_int("osd", osd); | |
4458 | f->dump_stream("object_id") << base_oid; | |
4459 | f->dump_stream("object_locator") << base_oloc; | |
4460 | f->dump_stream("target_object_id") << target_oid; | |
4461 | f->dump_stream("target_object_locator") << target_oloc; | |
4462 | f->dump_int("paused", (int)paused); | |
4463 | f->dump_int("used_replica", (int)used_replica); | |
4464 | f->dump_int("precalc_pgid", (int)precalc_pgid); | |
4465 | } | |
4466 | ||
4467 | void Objecter::_dump_active(OSDSession *s) | |
4468 | { | |
4469 | for (map<ceph_tid_t,Op*>::iterator p = s->ops.begin(); | |
4470 | p != s->ops.end(); | |
4471 | ++p) { | |
4472 | Op *op = p->second; | |
4473 | ldout(cct, 20) << op->tid << "\t" << op->target.pgid | |
4474 | << "\tosd." << (op->session ? op->session->osd : -1) | |
4475 | << "\t" << op->target.base_oid | |
4476 | << "\t" << op->ops << dendl; | |
4477 | } | |
4478 | } | |
4479 | ||
4480 | void Objecter::_dump_active() | |
4481 | { | |
4482 | ldout(cct, 20) << "dump_active .. " << num_homeless_ops << " homeless" | |
4483 | << dendl; | |
4484 | for (map<int, OSDSession *>::iterator siter = osd_sessions.begin(); | |
4485 | siter != osd_sessions.end(); ++siter) { | |
4486 | OSDSession *s = siter->second; | |
4487 | OSDSession::shared_lock sl(s->lock); | |
4488 | _dump_active(s); | |
4489 | sl.unlock(); | |
4490 | } | |
4491 | _dump_active(homeless_session); | |
4492 | } | |
4493 | ||
4494 | void Objecter::dump_active() | |
4495 | { | |
4496 | shared_lock rl(rwlock); | |
4497 | _dump_active(); | |
4498 | rl.unlock(); | |
4499 | } | |
4500 | ||
4501 | void Objecter::dump_requests(Formatter *fmt) | |
4502 | { | |
4503 | // Read-lock on Objecter held here | |
4504 | fmt->open_object_section("requests"); | |
4505 | dump_ops(fmt); | |
4506 | dump_linger_ops(fmt); | |
4507 | dump_pool_ops(fmt); | |
4508 | dump_pool_stat_ops(fmt); | |
4509 | dump_statfs_ops(fmt); | |
4510 | dump_command_ops(fmt); | |
4511 | fmt->close_section(); // requests object | |
4512 | } | |
4513 | ||
4514 | void Objecter::_dump_ops(const OSDSession *s, Formatter *fmt) | |
4515 | { | |
4516 | for (map<ceph_tid_t,Op*>::const_iterator p = s->ops.begin(); | |
4517 | p != s->ops.end(); | |
4518 | ++p) { | |
4519 | Op *op = p->second; | |
4520 | auto age = std::chrono::duration<double>(coarse_mono_clock::now() - op->stamp); | |
4521 | fmt->open_object_section("op"); | |
4522 | fmt->dump_unsigned("tid", op->tid); | |
4523 | op->target.dump(fmt); | |
4524 | fmt->dump_stream("last_sent") << op->stamp; | |
4525 | fmt->dump_float("age", age.count()); | |
4526 | fmt->dump_int("attempts", op->attempts); | |
4527 | fmt->dump_stream("snapid") << op->snapid; | |
4528 | fmt->dump_stream("snap_context") << op->snapc; | |
4529 | fmt->dump_stream("mtime") << op->mtime; | |
4530 | ||
4531 | fmt->open_array_section("osd_ops"); | |
4532 | for (vector<OSDOp>::const_iterator it = op->ops.begin(); | |
4533 | it != op->ops.end(); | |
4534 | ++it) { | |
4535 | fmt->dump_stream("osd_op") << *it; | |
4536 | } | |
4537 | fmt->close_section(); // osd_ops array | |
4538 | ||
4539 | fmt->close_section(); // op object | |
4540 | } | |
4541 | } | |
4542 | ||
4543 | void Objecter::dump_ops(Formatter *fmt) | |
4544 | { | |
4545 | // Read-lock on Objecter held | |
4546 | fmt->open_array_section("ops"); | |
4547 | for (map<int, OSDSession *>::const_iterator siter = osd_sessions.begin(); | |
4548 | siter != osd_sessions.end(); ++siter) { | |
4549 | OSDSession *s = siter->second; | |
4550 | OSDSession::shared_lock sl(s->lock); | |
4551 | _dump_ops(s, fmt); | |
4552 | sl.unlock(); | |
4553 | } | |
4554 | _dump_ops(homeless_session, fmt); | |
4555 | fmt->close_section(); // ops array | |
4556 | } | |
4557 | ||
4558 | void Objecter::_dump_linger_ops(const OSDSession *s, Formatter *fmt) | |
4559 | { | |
4560 | for (map<uint64_t, LingerOp*>::const_iterator p = s->linger_ops.begin(); | |
4561 | p != s->linger_ops.end(); | |
4562 | ++p) { | |
4563 | LingerOp *op = p->second; | |
4564 | fmt->open_object_section("linger_op"); | |
4565 | fmt->dump_unsigned("linger_id", op->linger_id); | |
4566 | op->target.dump(fmt); | |
4567 | fmt->dump_stream("snapid") << op->snap; | |
4568 | fmt->dump_stream("registered") << op->registered; | |
4569 | fmt->close_section(); // linger_op object | |
4570 | } | |
4571 | } | |
4572 | ||
4573 | void Objecter::dump_linger_ops(Formatter *fmt) | |
4574 | { | |
4575 | // We have a read-lock on the objecter | |
4576 | fmt->open_array_section("linger_ops"); | |
4577 | for (map<int, OSDSession *>::const_iterator siter = osd_sessions.begin(); | |
4578 | siter != osd_sessions.end(); ++siter) { | |
4579 | OSDSession *s = siter->second; | |
4580 | OSDSession::shared_lock sl(s->lock); | |
4581 | _dump_linger_ops(s, fmt); | |
4582 | sl.unlock(); | |
4583 | } | |
4584 | _dump_linger_ops(homeless_session, fmt); | |
4585 | fmt->close_section(); // linger_ops array | |
4586 | } | |
4587 | ||
4588 | void Objecter::_dump_command_ops(const OSDSession *s, Formatter *fmt) | |
4589 | { | |
4590 | for (map<uint64_t, CommandOp*>::const_iterator p = s->command_ops.begin(); | |
4591 | p != s->command_ops.end(); | |
4592 | ++p) { | |
4593 | CommandOp *op = p->second; | |
4594 | fmt->open_object_section("command_op"); | |
4595 | fmt->dump_unsigned("command_id", op->tid); | |
4596 | fmt->dump_int("osd", op->session ? op->session->osd : -1); | |
4597 | fmt->open_array_section("command"); | |
4598 | for (vector<string>::const_iterator q = op->cmd.begin(); | |
4599 | q != op->cmd.end(); ++q) | |
4600 | fmt->dump_string("word", *q); | |
4601 | fmt->close_section(); | |
4602 | if (op->target_osd >= 0) | |
4603 | fmt->dump_int("target_osd", op->target_osd); | |
4604 | else | |
4605 | fmt->dump_stream("target_pg") << op->target_pg; | |
4606 | fmt->close_section(); // command_op object | |
4607 | } | |
4608 | } | |
4609 | ||
4610 | void Objecter::dump_command_ops(Formatter *fmt) | |
4611 | { | |
4612 | // We have a read-lock on the Objecter here | |
4613 | fmt->open_array_section("command_ops"); | |
4614 | for (map<int, OSDSession *>::const_iterator siter = osd_sessions.begin(); | |
4615 | siter != osd_sessions.end(); ++siter) { | |
4616 | OSDSession *s = siter->second; | |
4617 | OSDSession::shared_lock sl(s->lock); | |
4618 | _dump_command_ops(s, fmt); | |
4619 | sl.unlock(); | |
4620 | } | |
4621 | _dump_command_ops(homeless_session, fmt); | |
4622 | fmt->close_section(); // command_ops array | |
4623 | } | |
4624 | ||
4625 | void Objecter::dump_pool_ops(Formatter *fmt) const | |
4626 | { | |
4627 | fmt->open_array_section("pool_ops"); | |
4628 | for (map<ceph_tid_t, PoolOp*>::const_iterator p = pool_ops.begin(); | |
4629 | p != pool_ops.end(); | |
4630 | ++p) { | |
4631 | PoolOp *op = p->second; | |
4632 | fmt->open_object_section("pool_op"); | |
4633 | fmt->dump_unsigned("tid", op->tid); | |
4634 | fmt->dump_int("pool", op->pool); | |
4635 | fmt->dump_string("name", op->name); | |
4636 | fmt->dump_int("operation_type", op->pool_op); | |
4637 | fmt->dump_unsigned("crush_rule", op->crush_rule); | |
4638 | fmt->dump_stream("snapid") << op->snapid; | |
4639 | fmt->dump_stream("last_sent") << op->last_submit; | |
4640 | fmt->close_section(); // pool_op object | |
4641 | } | |
4642 | fmt->close_section(); // pool_ops array | |
4643 | } | |
4644 | ||
4645 | void Objecter::dump_pool_stat_ops(Formatter *fmt) const | |
4646 | { | |
4647 | fmt->open_array_section("pool_stat_ops"); | |
4648 | for (map<ceph_tid_t, PoolStatOp*>::const_iterator p = poolstat_ops.begin(); | |
4649 | p != poolstat_ops.end(); | |
4650 | ++p) { | |
4651 | PoolStatOp *op = p->second; | |
4652 | fmt->open_object_section("pool_stat_op"); | |
4653 | fmt->dump_unsigned("tid", op->tid); | |
4654 | fmt->dump_stream("last_sent") << op->last_submit; | |
4655 | ||
4656 | fmt->open_array_section("pools"); | |
4657 | for (list<string>::const_iterator it = op->pools.begin(); | |
4658 | it != op->pools.end(); | |
4659 | ++it) { | |
4660 | fmt->dump_string("pool", *it); | |
4661 | } | |
4662 | fmt->close_section(); // pools array | |
4663 | ||
4664 | fmt->close_section(); // pool_stat_op object | |
4665 | } | |
4666 | fmt->close_section(); // pool_stat_ops array | |
4667 | } | |
4668 | ||
4669 | void Objecter::dump_statfs_ops(Formatter *fmt) const | |
4670 | { | |
4671 | fmt->open_array_section("statfs_ops"); | |
4672 | for (map<ceph_tid_t, StatfsOp*>::const_iterator p = statfs_ops.begin(); | |
4673 | p != statfs_ops.end(); | |
4674 | ++p) { | |
4675 | StatfsOp *op = p->second; | |
4676 | fmt->open_object_section("statfs_op"); | |
4677 | fmt->dump_unsigned("tid", op->tid); | |
4678 | fmt->dump_stream("last_sent") << op->last_submit; | |
4679 | fmt->close_section(); // statfs_op object | |
4680 | } | |
4681 | fmt->close_section(); // statfs_ops array | |
4682 | } | |
4683 | ||
4684 | Objecter::RequestStateHook::RequestStateHook(Objecter *objecter) : | |
4685 | m_objecter(objecter) | |
4686 | { | |
4687 | } | |
4688 | ||
4689 | bool Objecter::RequestStateHook::call(std::string_view command, | |
4690 | const cmdmap_t& cmdmap, | |
4691 | std::string_view format, | |
4692 | bufferlist& out) | |
4693 | { | |
4694 | Formatter *f = Formatter::create(format, "json-pretty", "json-pretty"); | |
4695 | shared_lock rl(m_objecter->rwlock); | |
4696 | m_objecter->dump_requests(f); | |
4697 | f->flush(out); | |
4698 | delete f; | |
4699 | return true; | |
4700 | } | |
4701 | ||
4702 | void Objecter::blacklist_self(bool set) | |
4703 | { | |
4704 | ldout(cct, 10) << "blacklist_self " << (set ? "add" : "rm") << dendl; | |
4705 | ||
4706 | vector<string> cmd; | |
4707 | cmd.push_back("{\"prefix\":\"osd blacklist\", "); | |
4708 | if (set) | |
4709 | cmd.push_back("\"blacklistop\":\"add\","); | |
4710 | else | |
4711 | cmd.push_back("\"blacklistop\":\"rm\","); | |
4712 | stringstream ss; | |
4713 | // this is somewhat imprecise in that we are blacklisting our first addr only | |
4714 | ss << messenger->get_myaddrs().front().get_legacy_str(); | |
4715 | cmd.push_back("\"addr\":\"" + ss.str() + "\""); | |
4716 | ||
4717 | MMonCommand *m = new MMonCommand(monc->get_fsid()); | |
4718 | m->cmd = cmd; | |
4719 | ||
4720 | monc->send_mon_message(m); | |
4721 | } | |
4722 | ||
4723 | // commands | |
4724 | ||
4725 | void Objecter::handle_command_reply(MCommandReply *m) | |
4726 | { | |
4727 | unique_lock wl(rwlock); | |
4728 | if (!initialized) { | |
4729 | m->put(); | |
4730 | return; | |
4731 | } | |
4732 | ||
4733 | ConnectionRef con = m->get_connection(); | |
4734 | auto priv = con->get_priv(); | |
4735 | auto s = static_cast<OSDSession*>(priv.get()); | |
4736 | if (!s || s->con != con) { | |
4737 | ldout(cct, 7) << __func__ << " no session on con " << con << dendl; | |
4738 | m->put(); | |
4739 | return; | |
4740 | } | |
4741 | ||
4742 | OSDSession::shared_lock sl(s->lock); | |
4743 | map<ceph_tid_t,CommandOp*>::iterator p = s->command_ops.find(m->get_tid()); | |
4744 | if (p == s->command_ops.end()) { | |
4745 | ldout(cct, 10) << "handle_command_reply tid " << m->get_tid() | |
4746 | << " not found" << dendl; | |
4747 | m->put(); | |
4748 | sl.unlock(); | |
4749 | return; | |
4750 | } | |
4751 | ||
4752 | CommandOp *c = p->second; | |
4753 | if (!c->session || | |
4754 | m->get_connection() != c->session->con) { | |
4755 | ldout(cct, 10) << "handle_command_reply tid " << m->get_tid() | |
4756 | << " got reply from wrong connection " | |
4757 | << m->get_connection() << " " << m->get_source_inst() | |
4758 | << dendl; | |
4759 | m->put(); | |
4760 | sl.unlock(); | |
4761 | return; | |
4762 | } | |
4763 | if (c->poutbl) { | |
4764 | c->poutbl->claim(m->get_data()); | |
4765 | } | |
4766 | ||
4767 | sl.unlock(); | |
4768 | ||
4769 | OSDSession::unique_lock sul(s->lock); | |
4770 | _finish_command(c, m->r, m->rs); | |
4771 | sul.unlock(); | |
4772 | ||
4773 | m->put(); | |
4774 | } | |
4775 | ||
4776 | void Objecter::submit_command(CommandOp *c, ceph_tid_t *ptid) | |
4777 | { | |
4778 | shunique_lock sul(rwlock, ceph::acquire_unique); | |
4779 | ||
4780 | ceph_tid_t tid = ++last_tid; | |
4781 | ldout(cct, 10) << "_submit_command " << tid << " " << c->cmd << dendl; | |
4782 | c->tid = tid; | |
4783 | ||
4784 | { | |
4785 | OSDSession::unique_lock hs_wl(homeless_session->lock); | |
4786 | _session_command_op_assign(homeless_session, c); | |
4787 | } | |
4788 | ||
4789 | _calc_command_target(c, sul); | |
4790 | _assign_command_session(c, sul); | |
4791 | if (osd_timeout > timespan(0)) { | |
4792 | c->ontimeout = timer.add_event(osd_timeout, | |
4793 | [this, c, tid]() { | |
4794 | command_op_cancel(c->session, tid, | |
4795 | -ETIMEDOUT); }); | |
4796 | } | |
4797 | ||
4798 | if (!c->session->is_homeless()) { | |
4799 | _send_command(c); | |
4800 | } else { | |
4801 | _maybe_request_map(); | |
4802 | } | |
4803 | if (c->map_check_error) | |
4804 | _send_command_map_check(c); | |
4805 | *ptid = tid; | |
4806 | ||
4807 | logger->inc(l_osdc_command_active); | |
4808 | } | |
4809 | ||
4810 | int Objecter::_calc_command_target(CommandOp *c, shunique_lock& sul) | |
4811 | { | |
4812 | ceph_assert(sul.owns_lock() && sul.mutex() == &rwlock); | |
4813 | ||
4814 | c->map_check_error = 0; | |
4815 | ||
4816 | // ignore overlays, just like we do with pg ops | |
4817 | c->target.flags |= CEPH_OSD_FLAG_IGNORE_OVERLAY; | |
4818 | ||
4819 | if (c->target_osd >= 0) { | |
4820 | if (!osdmap->exists(c->target_osd)) { | |
4821 | c->map_check_error = -ENOENT; | |
4822 | c->map_check_error_str = "osd dne"; | |
4823 | c->target.osd = -1; | |
4824 | return RECALC_OP_TARGET_OSD_DNE; | |
4825 | } | |
4826 | if (osdmap->is_down(c->target_osd)) { | |
4827 | c->map_check_error = -ENXIO; | |
4828 | c->map_check_error_str = "osd down"; | |
4829 | c->target.osd = -1; | |
4830 | return RECALC_OP_TARGET_OSD_DOWN; | |
4831 | } | |
4832 | c->target.osd = c->target_osd; | |
4833 | } else { | |
4834 | int ret = _calc_target(&(c->target), nullptr, true); | |
4835 | if (ret == RECALC_OP_TARGET_POOL_DNE) { | |
4836 | c->map_check_error = -ENOENT; | |
4837 | c->map_check_error_str = "pool dne"; | |
4838 | c->target.osd = -1; | |
4839 | return ret; | |
4840 | } else if (ret == RECALC_OP_TARGET_OSD_DOWN) { | |
4841 | c->map_check_error = -ENXIO; | |
4842 | c->map_check_error_str = "osd down"; | |
4843 | c->target.osd = -1; | |
4844 | return ret; | |
4845 | } | |
4846 | } | |
4847 | ||
4848 | OSDSession *s; | |
4849 | int r = _get_session(c->target.osd, &s, sul); | |
4850 | ceph_assert(r != -EAGAIN); /* shouldn't happen as we're holding the write lock */ | |
4851 | ||
4852 | if (c->session != s) { | |
4853 | put_session(s); | |
4854 | return RECALC_OP_TARGET_NEED_RESEND; | |
4855 | } | |
4856 | ||
4857 | put_session(s); | |
4858 | ||
4859 | ldout(cct, 20) << "_recalc_command_target " << c->tid << " no change, " | |
4860 | << c->session << dendl; | |
4861 | ||
4862 | return RECALC_OP_TARGET_NO_ACTION; | |
4863 | } | |
4864 | ||
4865 | void Objecter::_assign_command_session(CommandOp *c, | |
4866 | shunique_lock& sul) | |
4867 | { | |
4868 | ceph_assert(sul.owns_lock() && sul.mutex() == &rwlock); | |
4869 | ||
4870 | OSDSession *s; | |
4871 | int r = _get_session(c->target.osd, &s, sul); | |
4872 | ceph_assert(r != -EAGAIN); /* shouldn't happen as we're holding the write lock */ | |
4873 | ||
4874 | if (c->session != s) { | |
4875 | if (c->session) { | |
4876 | OSDSession *cs = c->session; | |
4877 | OSDSession::unique_lock csl(cs->lock); | |
4878 | _session_command_op_remove(c->session, c); | |
4879 | csl.unlock(); | |
4880 | } | |
4881 | OSDSession::unique_lock sl(s->lock); | |
4882 | _session_command_op_assign(s, c); | |
4883 | } | |
4884 | ||
4885 | put_session(s); | |
4886 | } | |
4887 | ||
4888 | void Objecter::_send_command(CommandOp *c) | |
4889 | { | |
4890 | ldout(cct, 10) << "_send_command " << c->tid << dendl; | |
4891 | ceph_assert(c->session); | |
4892 | ceph_assert(c->session->con); | |
4893 | MCommand *m = new MCommand(monc->monmap.fsid); | |
4894 | m->cmd = c->cmd; | |
4895 | m->set_data(c->inbl); | |
4896 | m->set_tid(c->tid); | |
4897 | c->session->con->send_message(m); | |
4898 | logger->inc(l_osdc_command_send); | |
4899 | } | |
4900 | ||
4901 | int Objecter::command_op_cancel(OSDSession *s, ceph_tid_t tid, int r) | |
4902 | { | |
4903 | ceph_assert(initialized); | |
4904 | ||
4905 | unique_lock wl(rwlock); | |
4906 | ||
4907 | map<ceph_tid_t, CommandOp*>::iterator it = s->command_ops.find(tid); | |
4908 | if (it == s->command_ops.end()) { | |
4909 | ldout(cct, 10) << __func__ << " tid " << tid << " dne" << dendl; | |
4910 | return -ENOENT; | |
4911 | } | |
4912 | ||
4913 | ldout(cct, 10) << __func__ << " tid " << tid << dendl; | |
4914 | ||
4915 | CommandOp *op = it->second; | |
4916 | _command_cancel_map_check(op); | |
4917 | OSDSession::unique_lock sl(op->session->lock); | |
4918 | _finish_command(op, r, ""); | |
4919 | sl.unlock(); | |
4920 | return 0; | |
4921 | } | |
4922 | ||
4923 | void Objecter::_finish_command(CommandOp *c, int r, string rs) | |
4924 | { | |
4925 | // rwlock is locked unique | |
4926 | // session lock is locked | |
4927 | ||
4928 | ldout(cct, 10) << "_finish_command " << c->tid << " = " << r << " " | |
4929 | << rs << dendl; | |
4930 | if (c->prs) | |
4931 | *c->prs = rs; | |
4932 | if (c->onfinish) | |
4933 | c->onfinish->complete(r); | |
4934 | ||
4935 | if (c->ontimeout && r != -ETIMEDOUT) | |
4936 | timer.cancel_event(c->ontimeout); | |
4937 | ||
4938 | _session_command_op_remove(c->session, c); | |
4939 | ||
4940 | c->put(); | |
4941 | ||
4942 | logger->dec(l_osdc_command_active); | |
4943 | } | |
4944 | ||
4945 | Objecter::OSDSession::~OSDSession() | |
4946 | { | |
4947 | // Caller is responsible for re-assigning or | |
4948 | // destroying any ops that were assigned to us | |
4949 | ceph_assert(ops.empty()); | |
4950 | ceph_assert(linger_ops.empty()); | |
4951 | ceph_assert(command_ops.empty()); | |
4952 | } | |
4953 | ||
4954 | Objecter::~Objecter() | |
4955 | { | |
4956 | delete osdmap; | |
4957 | ||
4958 | ceph_assert(homeless_session->get_nref() == 1); | |
4959 | ceph_assert(num_homeless_ops == 0); | |
4960 | homeless_session->put(); | |
4961 | ||
4962 | ceph_assert(osd_sessions.empty()); | |
4963 | ceph_assert(poolstat_ops.empty()); | |
4964 | ceph_assert(statfs_ops.empty()); | |
4965 | ceph_assert(pool_ops.empty()); | |
4966 | ceph_assert(waiting_for_map.empty()); | |
4967 | ceph_assert(linger_ops.empty()); | |
4968 | ceph_assert(check_latest_map_lingers.empty()); | |
4969 | ceph_assert(check_latest_map_ops.empty()); | |
4970 | ceph_assert(check_latest_map_commands.empty()); | |
4971 | ||
4972 | ceph_assert(!m_request_state_hook); | |
4973 | ceph_assert(!logger); | |
4974 | } | |
4975 | ||
4976 | /** | |
4977 | * Wait until this OSD map epoch is received before | |
4978 | * sending any more operations to OSDs. Use this | |
4979 | * when it is known that the client can't trust | |
4980 | * anything from before this epoch (e.g. due to | |
4981 | * client blacklist at this epoch). | |
4982 | */ | |
4983 | void Objecter::set_epoch_barrier(epoch_t epoch) | |
4984 | { | |
4985 | unique_lock wl(rwlock); | |
4986 | ||
4987 | ldout(cct, 7) << __func__ << ": barrier " << epoch << " (was " | |
4988 | << epoch_barrier << ") current epoch " << osdmap->get_epoch() | |
4989 | << dendl; | |
4990 | if (epoch > epoch_barrier) { | |
4991 | epoch_barrier = epoch; | |
4992 | _maybe_request_map(); | |
4993 | } | |
4994 | } | |
4995 | ||
4996 | ||
4997 | ||
4998 | hobject_t Objecter::enumerate_objects_begin() | |
4999 | { | |
5000 | return hobject_t(); | |
5001 | } | |
5002 | ||
5003 | hobject_t Objecter::enumerate_objects_end() | |
5004 | { | |
5005 | return hobject_t::get_max(); | |
5006 | } | |
5007 | ||
5008 | struct C_EnumerateReply : public Context { | |
5009 | bufferlist bl; | |
5010 | ||
5011 | Objecter *objecter; | |
5012 | hobject_t *next; | |
5013 | std::list<librados::ListObjectImpl> *result; | |
5014 | const hobject_t end; | |
5015 | const int64_t pool_id; | |
5016 | Context *on_finish; | |
5017 | ||
5018 | epoch_t epoch; | |
5019 | int budget; | |
5020 | ||
5021 | C_EnumerateReply(Objecter *objecter_, hobject_t *next_, | |
5022 | std::list<librados::ListObjectImpl> *result_, | |
5023 | const hobject_t end_, const int64_t pool_id_, Context *on_finish_) : | |
5024 | objecter(objecter_), next(next_), result(result_), | |
5025 | end(end_), pool_id(pool_id_), on_finish(on_finish_), | |
5026 | epoch(0), budget(-1) | |
5027 | {} | |
5028 | ||
5029 | void finish(int r) override { | |
5030 | objecter->_enumerate_reply( | |
5031 | bl, r, end, pool_id, budget, epoch, result, next, on_finish); | |
5032 | } | |
5033 | }; | |
5034 | ||
5035 | void Objecter::enumerate_objects( | |
5036 | int64_t pool_id, | |
5037 | const std::string &ns, | |
5038 | const hobject_t &start, | |
5039 | const hobject_t &end, | |
5040 | const uint32_t max, | |
5041 | const bufferlist &filter_bl, | |
5042 | std::list<librados::ListObjectImpl> *result, | |
5043 | hobject_t *next, | |
5044 | Context *on_finish) | |
5045 | { | |
5046 | ceph_assert(result); | |
5047 | ||
5048 | if (!end.is_max() && start > end) { | |
5049 | lderr(cct) << __func__ << ": start " << start << " > end " << end << dendl; | |
5050 | on_finish->complete(-EINVAL); | |
5051 | return; | |
5052 | } | |
5053 | ||
5054 | if (max < 1) { | |
5055 | lderr(cct) << __func__ << ": result size may not be zero" << dendl; | |
5056 | on_finish->complete(-EINVAL); | |
5057 | return; | |
5058 | } | |
5059 | ||
5060 | if (start.is_max()) { | |
5061 | on_finish->complete(0); | |
5062 | return; | |
5063 | } | |
5064 | ||
5065 | shared_lock rl(rwlock); | |
5066 | ceph_assert(osdmap->get_epoch()); | |
5067 | if (!osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE)) { | |
5068 | rl.unlock(); | |
5069 | lderr(cct) << __func__ << ": SORTBITWISE cluster flag not set" << dendl; | |
5070 | on_finish->complete(-EOPNOTSUPP); | |
5071 | return; | |
5072 | } | |
5073 | const pg_pool_t *p = osdmap->get_pg_pool(pool_id); | |
5074 | if (!p) { | |
5075 | lderr(cct) << __func__ << ": pool " << pool_id << " DNE in osd epoch " | |
5076 | << osdmap->get_epoch() << dendl; | |
5077 | rl.unlock(); | |
5078 | on_finish->complete(-ENOENT); | |
5079 | return; | |
5080 | } else { | |
5081 | rl.unlock(); | |
5082 | } | |
5083 | ||
5084 | ldout(cct, 20) << __func__ << ": start=" << start << " end=" << end << dendl; | |
5085 | ||
5086 | // Stash completion state | |
5087 | C_EnumerateReply *on_ack = new C_EnumerateReply( | |
5088 | this, next, result, end, pool_id, on_finish); | |
5089 | ||
5090 | ObjectOperation op; | |
5091 | op.pg_nls(max, filter_bl, start, 0); | |
5092 | ||
5093 | // Issue. See you later in _enumerate_reply | |
5094 | object_locator_t oloc(pool_id, ns); | |
5095 | pg_read(start.get_hash(), oloc, op, | |
5096 | &on_ack->bl, 0, on_ack, &on_ack->epoch, &on_ack->budget); | |
5097 | } | |
5098 | ||
5099 | void Objecter::_enumerate_reply( | |
5100 | bufferlist &bl, | |
5101 | int r, | |
5102 | const hobject_t &end, | |
5103 | const int64_t pool_id, | |
5104 | int budget, | |
5105 | epoch_t reply_epoch, | |
5106 | std::list<librados::ListObjectImpl> *result, | |
5107 | hobject_t *next, | |
5108 | Context *on_finish) | |
5109 | { | |
5110 | if (budget >= 0) { | |
5111 | put_op_budget_bytes(budget); | |
5112 | } | |
5113 | ||
5114 | if (r < 0) { | |
5115 | ldout(cct, 4) << __func__ << ": remote error " << r << dendl; | |
5116 | on_finish->complete(r); | |
5117 | return; | |
5118 | } | |
5119 | ||
5120 | ceph_assert(next != NULL); | |
5121 | ||
5122 | // Decode the results | |
5123 | auto iter = bl.cbegin(); | |
5124 | pg_nls_response_t response; | |
5125 | ||
5126 | // XXX extra_info doesn't seem used anywhere? | |
5127 | bufferlist extra_info; | |
5128 | decode(response, iter); | |
5129 | if (!iter.end()) { | |
5130 | decode(extra_info, iter); | |
5131 | } | |
5132 | ||
5133 | ldout(cct, 10) << __func__ << ": got " << response.entries.size() | |
5134 | << " handle " << response.handle | |
5135 | << " reply_epoch " << reply_epoch << dendl; | |
5136 | ldout(cct, 20) << __func__ << ": response.entries.size " | |
5137 | << response.entries.size() << ", response.entries " | |
5138 | << response.entries << dendl; | |
5139 | if (response.handle <= end) { | |
5140 | *next = response.handle; | |
5141 | } else { | |
5142 | ldout(cct, 10) << __func__ << ": adjusted next down to end " << end | |
5143 | << dendl; | |
5144 | *next = end; | |
5145 | ||
5146 | // drop anything after 'end' | |
5147 | shared_lock rl(rwlock); | |
5148 | const pg_pool_t *pool = osdmap->get_pg_pool(pool_id); | |
5149 | if (!pool) { | |
5150 | // pool is gone, drop any results which are now meaningless. | |
5151 | rl.unlock(); | |
5152 | on_finish->complete(-ENOENT); | |
5153 | return; | |
5154 | } | |
5155 | while (!response.entries.empty()) { | |
5156 | uint32_t hash = response.entries.back().locator.empty() ? | |
5157 | pool->hash_key(response.entries.back().oid, | |
5158 | response.entries.back().nspace) : | |
5159 | pool->hash_key(response.entries.back().locator, | |
5160 | response.entries.back().nspace); | |
5161 | hobject_t last(response.entries.back().oid, | |
5162 | response.entries.back().locator, | |
5163 | CEPH_NOSNAP, | |
5164 | hash, | |
5165 | pool_id, | |
5166 | response.entries.back().nspace); | |
5167 | if (last < end) | |
5168 | break; | |
5169 | ldout(cct, 20) << __func__ << " dropping item " << last | |
5170 | << " >= end " << end << dendl; | |
5171 | response.entries.pop_back(); | |
5172 | } | |
5173 | rl.unlock(); | |
5174 | } | |
5175 | if (!response.entries.empty()) { | |
5176 | result->merge(response.entries); | |
5177 | } | |
5178 | ||
5179 | // release the listing context's budget once all | |
5180 | // OPs (in the session) are finished | |
5181 | #if 0 | |
5182 | put_nlist_context_budget(list_context); | |
5183 | #endif | |
5184 | on_finish->complete(r); | |
5185 | return; | |
5186 | } | |
5187 | ||
5188 | namespace { | |
5189 | using namespace librados; | |
5190 | ||
5191 | template <typename T> | |
5192 | void do_decode(std::vector<T>& items, std::vector<bufferlist>& bls) | |
5193 | { | |
5194 | for (auto bl : bls) { | |
5195 | auto p = bl.cbegin(); | |
5196 | T t; | |
5197 | decode(t, p); | |
5198 | items.push_back(t); | |
5199 | } | |
5200 | } | |
5201 | ||
5202 | struct C_ObjectOperation_scrub_ls : public Context { | |
5203 | bufferlist bl; | |
5204 | uint32_t *interval; | |
5205 | std::vector<inconsistent_obj_t> *objects = nullptr; | |
5206 | std::vector<inconsistent_snapset_t> *snapsets = nullptr; | |
5207 | int *rval; | |
5208 | ||
5209 | C_ObjectOperation_scrub_ls(uint32_t *interval, | |
5210 | std::vector<inconsistent_obj_t> *objects, | |
5211 | int *rval) | |
5212 | : interval(interval), objects(objects), rval(rval) {} | |
5213 | C_ObjectOperation_scrub_ls(uint32_t *interval, | |
5214 | std::vector<inconsistent_snapset_t> *snapsets, | |
5215 | int *rval) | |
5216 | : interval(interval), snapsets(snapsets), rval(rval) {} | |
5217 | void finish(int r) override { | |
5218 | if (r < 0 && r != -EAGAIN) { | |
5219 | if (rval) | |
5220 | *rval = r; | |
5221 | return; | |
5222 | } | |
5223 | ||
5224 | if (rval) | |
5225 | *rval = 0; | |
5226 | ||
5227 | try { | |
5228 | decode(); | |
5229 | } catch (buffer::error&) { | |
5230 | if (rval) | |
5231 | *rval = -EIO; | |
5232 | } | |
5233 | } | |
5234 | private: | |
5235 | void decode() { | |
5236 | scrub_ls_result_t result; | |
5237 | auto p = bl.cbegin(); | |
5238 | result.decode(p); | |
5239 | *interval = result.interval; | |
5240 | if (objects) { | |
5241 | do_decode(*objects, result.vals); | |
5242 | } else { | |
5243 | do_decode(*snapsets, result.vals); | |
5244 | } | |
5245 | } | |
5246 | }; | |
5247 | ||
5248 | template <typename T> | |
5249 | void do_scrub_ls(::ObjectOperation *op, | |
5250 | const scrub_ls_arg_t& arg, | |
5251 | std::vector<T> *items, | |
5252 | uint32_t *interval, | |
5253 | int *rval) | |
5254 | { | |
5255 | OSDOp& osd_op = op->add_op(CEPH_OSD_OP_SCRUBLS); | |
5256 | op->flags |= CEPH_OSD_FLAG_PGOP; | |
5257 | ceph_assert(interval); | |
5258 | arg.encode(osd_op.indata); | |
5259 | unsigned p = op->ops.size() - 1; | |
5260 | auto *h = new C_ObjectOperation_scrub_ls{interval, items, rval}; | |
5261 | op->out_handler[p] = h; | |
5262 | op->out_bl[p] = &h->bl; | |
5263 | op->out_rval[p] = rval; | |
5264 | } | |
5265 | } | |
5266 | ||
5267 | void ::ObjectOperation::scrub_ls(const librados::object_id_t& start_after, | |
5268 | uint64_t max_to_get, | |
5269 | std::vector<librados::inconsistent_obj_t> *objects, | |
5270 | uint32_t *interval, | |
5271 | int *rval) | |
5272 | { | |
5273 | scrub_ls_arg_t arg = {*interval, 0, start_after, max_to_get}; | |
5274 | do_scrub_ls(this, arg, objects, interval, rval); | |
5275 | } | |
5276 | ||
5277 | void ::ObjectOperation::scrub_ls(const librados::object_id_t& start_after, | |
5278 | uint64_t max_to_get, | |
5279 | std::vector<librados::inconsistent_snapset_t> *snapsets, | |
5280 | uint32_t *interval, | |
5281 | int *rval) | |
5282 | { | |
5283 | scrub_ls_arg_t arg = {*interval, 1, start_after, max_to_get}; | |
5284 | do_scrub_ls(this, arg, snapsets, interval, rval); | |
5285 | } |