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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) 2014 Red Hat | |
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 | #ifndef CEPH_OSD_KSTORE_H | |
16 | #define CEPH_OSD_KSTORE_H | |
17 | ||
18 | #include "acconfig.h" | |
19 | ||
20 | #include <unistd.h> | |
21 | ||
22 | #include <atomic> | |
23 | #include <mutex> | |
24 | #include <condition_variable> | |
25 | ||
26 | #include "include/assert.h" | |
27 | #include "include/unordered_map.h" | |
28 | #include "include/memory.h" | |
29 | #include "common/Finisher.h" | |
30 | #include "common/RWLock.h" | |
31 | #include "common/WorkQueue.h" | |
32 | #include "os/ObjectStore.h" | |
33 | #include "common/perf_counters.h" | |
34 | #include "os/fs/FS.h" | |
35 | #include "kv/KeyValueDB.h" | |
36 | ||
37 | #include "kstore_types.h" | |
38 | ||
39 | #include "boost/intrusive/list.hpp" | |
40 | ||
41 | enum { | |
42 | l_kstore_first = 832430, | |
43 | l_kstore_state_prepare_lat, | |
44 | l_kstore_state_kv_queued_lat, | |
45 | l_kstore_state_kv_done_lat, | |
46 | l_kstore_state_finishing_lat, | |
47 | l_kstore_state_done_lat, | |
48 | l_kstore_last | |
49 | }; | |
50 | ||
51 | class KStore : public ObjectStore { | |
52 | // ----------------------------------------------------- | |
53 | // types | |
54 | public: | |
55 | ||
56 | class TransContext; | |
57 | ||
58 | /// an in-memory object | |
59 | struct Onode { | |
60 | CephContext* cct; | |
61 | std::atomic_int nref; ///< reference count | |
62 | ||
63 | ghobject_t oid; | |
64 | string key; ///< key under PREFIX_OBJ where we are stored | |
65 | boost::intrusive::list_member_hook<> lru_item; | |
66 | ||
67 | kstore_onode_t onode; ///< metadata stored as value in kv store | |
68 | bool dirty; // ??? | |
69 | bool exists; | |
70 | ||
71 | std::mutex flush_lock; ///< protect flush_txns | |
72 | std::condition_variable flush_cond; ///< wait here for unapplied txns | |
73 | set<TransContext*> flush_txns; ///< committing txns | |
74 | ||
75 | uint64_t tail_offset; | |
76 | bufferlist tail_bl; | |
77 | ||
78 | map<uint64_t,bufferlist> pending_stripes; ///< unwritten stripes | |
79 | ||
80 | Onode(CephContext* cct, const ghobject_t& o, const string& k) | |
81 | : cct(cct), | |
82 | nref(0), | |
83 | oid(o), | |
84 | key(k), | |
85 | dirty(false), | |
86 | exists(false), | |
87 | tail_offset(0) { | |
88 | } | |
89 | ||
90 | void flush(); | |
91 | void get() { | |
92 | ++nref; | |
93 | } | |
94 | void put() { | |
95 | if (--nref == 0) | |
96 | delete this; | |
97 | } | |
98 | ||
99 | void clear_tail() { | |
100 | tail_offset = 0; | |
101 | tail_bl.clear(); | |
102 | } | |
103 | void clear_pending_stripes() { | |
104 | pending_stripes.clear(); | |
105 | } | |
106 | }; | |
107 | typedef boost::intrusive_ptr<Onode> OnodeRef; | |
108 | ||
109 | struct OnodeHashLRU { | |
110 | CephContext* cct; | |
111 | typedef boost::intrusive::list< | |
112 | Onode, | |
113 | boost::intrusive::member_hook< | |
114 | Onode, | |
115 | boost::intrusive::list_member_hook<>, | |
116 | &Onode::lru_item> > lru_list_t; | |
117 | ||
118 | std::mutex lock; | |
119 | ceph::unordered_map<ghobject_t,OnodeRef> onode_map; ///< forward lookups | |
120 | lru_list_t lru; ///< lru | |
121 | ||
122 | OnodeHashLRU(CephContext* cct) : cct(cct) {} | |
123 | ||
124 | void add(const ghobject_t& oid, OnodeRef o); | |
125 | void _touch(OnodeRef o); | |
126 | OnodeRef lookup(const ghobject_t& o); | |
127 | void rename(const ghobject_t& old_oid, const ghobject_t& new_oid); | |
128 | void clear(); | |
129 | bool get_next(const ghobject_t& after, pair<ghobject_t,OnodeRef> *next); | |
130 | int trim(int max=-1); | |
131 | }; | |
132 | ||
133 | struct Collection : public CollectionImpl { | |
134 | KStore *store; | |
135 | coll_t cid; | |
136 | kstore_cnode_t cnode; | |
137 | RWLock lock; | |
138 | ||
139 | // cache onodes on a per-collection basis to avoid lock | |
140 | // contention. | |
141 | OnodeHashLRU onode_map; | |
142 | ||
143 | OnodeRef get_onode(const ghobject_t& oid, bool create); | |
144 | ||
145 | const coll_t &get_cid() override { | |
146 | return cid; | |
147 | } | |
148 | ||
149 | bool contains(const ghobject_t& oid) { | |
150 | if (cid.is_meta()) | |
151 | return oid.hobj.pool == -1; | |
152 | spg_t spgid; | |
153 | if (cid.is_pg(&spgid)) | |
154 | return | |
155 | spgid.pgid.contains(cnode.bits, oid) && | |
156 | oid.shard_id == spgid.shard; | |
157 | return false; | |
158 | } | |
159 | ||
160 | Collection(KStore *ns, coll_t c); | |
161 | }; | |
162 | typedef boost::intrusive_ptr<Collection> CollectionRef; | |
163 | ||
164 | class OmapIteratorImpl : public ObjectMap::ObjectMapIteratorImpl { | |
165 | CollectionRef c; | |
166 | OnodeRef o; | |
167 | KeyValueDB::Iterator it; | |
168 | string head, tail; | |
169 | public: | |
170 | OmapIteratorImpl(CollectionRef c, OnodeRef o, KeyValueDB::Iterator it); | |
171 | int seek_to_first() override; | |
172 | int upper_bound(const string &after) override; | |
173 | int lower_bound(const string &to) override; | |
174 | bool valid() override; | |
175 | int next(bool validate=true) override; | |
176 | string key() override; | |
177 | bufferlist value() override; | |
178 | int status() override { | |
179 | return 0; | |
180 | } | |
181 | }; | |
182 | ||
183 | class OpSequencer; | |
184 | typedef boost::intrusive_ptr<OpSequencer> OpSequencerRef; | |
185 | ||
186 | struct TransContext { | |
187 | typedef enum { | |
188 | STATE_PREPARE, | |
189 | STATE_AIO_WAIT, | |
190 | STATE_IO_DONE, | |
191 | STATE_KV_QUEUED, | |
192 | STATE_KV_COMMITTING, | |
193 | STATE_KV_DONE, | |
194 | STATE_FINISHING, | |
195 | STATE_DONE, | |
196 | } state_t; | |
197 | ||
198 | state_t state; | |
199 | ||
200 | const char *get_state_name() { | |
201 | switch (state) { | |
202 | case STATE_PREPARE: return "prepare"; | |
203 | case STATE_AIO_WAIT: return "aio_wait"; | |
204 | case STATE_IO_DONE: return "io_done"; | |
205 | case STATE_KV_QUEUED: return "kv_queued"; | |
206 | case STATE_KV_COMMITTING: return "kv_committing"; | |
207 | case STATE_KV_DONE: return "kv_done"; | |
208 | case STATE_FINISHING: return "finishing"; | |
209 | case STATE_DONE: return "done"; | |
210 | } | |
211 | return "???"; | |
212 | } | |
213 | ||
214 | void log_state_latency(PerfCounters *logger, int state) { | |
215 | utime_t lat, now = ceph_clock_now(); | |
216 | lat = now - start; | |
217 | logger->tinc(state, lat); | |
218 | start = now; | |
219 | } | |
220 | ||
221 | OpSequencerRef osr; | |
222 | boost::intrusive::list_member_hook<> sequencer_item; | |
223 | ||
224 | uint64_t ops, bytes; | |
225 | ||
226 | set<OnodeRef> onodes; ///< these onodes need to be updated/written | |
227 | KeyValueDB::Transaction t; ///< then we will commit this | |
228 | Context *oncommit; ///< signal on commit | |
229 | Context *onreadable; ///< signal on readable | |
230 | Context *onreadable_sync; ///< signal on readable | |
231 | list<Context*> oncommits; ///< more commit completions | |
232 | list<CollectionRef> removed_collections; ///< colls we removed | |
233 | ||
234 | CollectionRef first_collection; ///< first referenced collection | |
235 | utime_t start; | |
236 | explicit TransContext(OpSequencer *o) | |
237 | : state(STATE_PREPARE), | |
238 | osr(o), | |
239 | ops(0), | |
240 | bytes(0), | |
241 | oncommit(NULL), | |
242 | onreadable(NULL), | |
243 | onreadable_sync(NULL), | |
244 | start(ceph_clock_now()){ | |
245 | //cout << "txc new " << this << std::endl; | |
246 | } | |
247 | ~TransContext() { | |
248 | //cout << "txc del " << this << std::endl; | |
249 | } | |
250 | ||
251 | void write_onode(OnodeRef &o) { | |
252 | onodes.insert(o); | |
253 | } | |
254 | }; | |
255 | ||
256 | class OpSequencer : public Sequencer_impl { | |
257 | public: | |
258 | std::mutex qlock; | |
259 | std::condition_variable qcond; | |
260 | typedef boost::intrusive::list< | |
261 | TransContext, | |
262 | boost::intrusive::member_hook< | |
263 | TransContext, | |
264 | boost::intrusive::list_member_hook<>, | |
265 | &TransContext::sequencer_item> > q_list_t; | |
266 | q_list_t q; ///< transactions | |
267 | ||
268 | Sequencer *parent; | |
269 | ||
270 | OpSequencer(CephContext* cct) | |
271 | //set the qlock to PTHREAD_MUTEX_RECURSIVE mode | |
272 | : Sequencer_impl(cct), | |
273 | parent(NULL) { | |
274 | } | |
275 | ~OpSequencer() override { | |
276 | assert(q.empty()); | |
277 | } | |
278 | ||
279 | void queue_new(TransContext *txc) { | |
280 | std::lock_guard<std::mutex> l(qlock); | |
281 | q.push_back(*txc); | |
282 | } | |
283 | ||
284 | void flush() override { | |
285 | std::unique_lock<std::mutex> l(qlock); | |
286 | while (!q.empty()) | |
287 | qcond.wait(l); | |
288 | } | |
289 | ||
290 | bool flush_commit(Context *c) override { | |
291 | std::lock_guard<std::mutex> l(qlock); | |
292 | if (q.empty()) { | |
293 | return true; | |
294 | } | |
295 | TransContext *txc = &q.back(); | |
296 | if (txc->state >= TransContext::STATE_KV_DONE) { | |
297 | return true; | |
298 | } | |
299 | assert(txc->state < TransContext::STATE_KV_DONE); | |
300 | txc->oncommits.push_back(c); | |
301 | return false; | |
302 | } | |
303 | }; | |
304 | ||
305 | struct KVSyncThread : public Thread { | |
306 | KStore *store; | |
307 | explicit KVSyncThread(KStore *s) : store(s) {} | |
308 | void *entry() override { | |
309 | store->_kv_sync_thread(); | |
310 | return NULL; | |
311 | } | |
312 | }; | |
313 | ||
314 | // -------------------------------------------------------- | |
315 | // members | |
316 | private: | |
317 | KeyValueDB *db; | |
318 | uuid_d fsid; | |
319 | int path_fd; ///< open handle to $path | |
320 | int fsid_fd; ///< open handle (locked) to $path/fsid | |
321 | bool mounted; | |
322 | ||
323 | RWLock coll_lock; ///< rwlock to protect coll_map | |
324 | ceph::unordered_map<coll_t, CollectionRef> coll_map; | |
325 | ||
326 | std::mutex nid_lock; | |
327 | uint64_t nid_last; | |
328 | uint64_t nid_max; | |
329 | ||
330 | Throttle throttle_ops, throttle_bytes; ///< submit to commit | |
331 | ||
332 | Finisher finisher; | |
333 | ||
334 | KVSyncThread kv_sync_thread; | |
335 | std::mutex kv_lock; | |
336 | std::condition_variable kv_cond, kv_sync_cond; | |
337 | bool kv_stop; | |
338 | deque<TransContext*> kv_queue, kv_committing; | |
339 | ||
340 | //Logger *logger; | |
341 | PerfCounters *logger; | |
342 | std::mutex reap_lock; | |
343 | list<CollectionRef> removed_collections; | |
344 | ||
345 | ||
346 | // -------------------------------------------------------- | |
347 | // private methods | |
348 | ||
349 | void _init_logger(); | |
350 | void _shutdown_logger(); | |
351 | ||
352 | int _open_path(); | |
353 | void _close_path(); | |
354 | int _open_fsid(bool create); | |
355 | int _lock_fsid(); | |
356 | int _read_fsid(uuid_d *f); | |
357 | int _write_fsid(); | |
358 | void _close_fsid(); | |
359 | int _open_db(bool create); | |
360 | void _close_db(); | |
361 | int _open_collections(int *errors=0); | |
362 | void _close_collections(); | |
363 | ||
364 | int _open_super_meta(); | |
365 | ||
366 | CollectionRef _get_collection(coll_t cid); | |
367 | void _queue_reap_collection(CollectionRef& c); | |
368 | void _reap_collections(); | |
369 | ||
370 | void _assign_nid(TransContext *txc, OnodeRef o); | |
371 | ||
372 | void _dump_onode(OnodeRef o); | |
373 | ||
374 | TransContext *_txc_create(OpSequencer *osr); | |
375 | void _txc_release(TransContext *txc, uint64_t offset, uint64_t length); | |
376 | void _txc_add_transaction(TransContext *txc, Transaction *t); | |
377 | void _txc_finalize(OpSequencer *osr, TransContext *txc); | |
378 | void _txc_state_proc(TransContext *txc); | |
379 | void _txc_finish_kv(TransContext *txc); | |
380 | void _txc_finish(TransContext *txc); | |
381 | ||
382 | void _osr_reap_done(OpSequencer *osr); | |
383 | ||
384 | void _kv_sync_thread(); | |
385 | void _kv_stop() { | |
386 | { | |
387 | std::lock_guard<std::mutex> l(kv_lock); | |
388 | kv_stop = true; | |
389 | kv_cond.notify_all(); | |
390 | } | |
391 | kv_sync_thread.join(); | |
392 | kv_stop = false; | |
393 | } | |
394 | ||
395 | void _do_read_stripe(OnodeRef o, uint64_t offset, bufferlist *pbl); | |
396 | void _do_write_stripe(TransContext *txc, OnodeRef o, | |
397 | uint64_t offset, bufferlist& bl); | |
398 | void _do_remove_stripe(TransContext *txc, OnodeRef o, uint64_t offset); | |
399 | ||
400 | int _collection_list( | |
401 | Collection *c, const ghobject_t& start, const ghobject_t& end, | |
402 | int max, vector<ghobject_t> *ls, ghobject_t *next); | |
403 | ||
404 | public: | |
405 | KStore(CephContext *cct, const string& path); | |
406 | ~KStore() override; | |
407 | ||
408 | string get_type() override { | |
409 | return "kstore"; | |
410 | } | |
411 | ||
412 | bool needs_journal() override { return false; }; | |
413 | bool wants_journal() override { return false; }; | |
414 | bool allows_journal() override { return false; }; | |
415 | ||
416 | static int get_block_device_fsid(const string& path, uuid_d *fsid); | |
417 | ||
418 | bool test_mount_in_use() override; | |
419 | ||
420 | int mount() override; | |
421 | int umount() override; | |
422 | void _sync(); | |
423 | ||
424 | int fsck(bool deep) override; | |
425 | ||
426 | ||
427 | int validate_hobject_key(const hobject_t &obj) const override { | |
428 | return 0; | |
429 | } | |
430 | unsigned get_max_attr_name_length() override { | |
431 | return 256; // arbitrary; there is no real limit internally | |
432 | } | |
433 | ||
434 | int mkfs() override; | |
435 | int mkjournal() override { | |
436 | return 0; | |
437 | } | |
438 | void dump_perf_counters(Formatter *f) override { | |
439 | f->open_object_section("perf_counters"); | |
440 | logger->dump_formatted(f, false); | |
441 | f->close_section(); | |
442 | } | |
443 | ||
444 | int statfs(struct store_statfs_t *buf) override; | |
445 | ||
446 | using ObjectStore::exists; | |
447 | bool exists(const coll_t& cid, const ghobject_t& oid) override; | |
448 | using ObjectStore::stat; | |
449 | int stat( | |
450 | const coll_t& cid, | |
451 | const ghobject_t& oid, | |
452 | struct stat *st, | |
453 | bool allow_eio = false) override; // struct stat? | |
454 | int set_collection_opts( | |
455 | const coll_t& cid, | |
456 | const pool_opts_t& opts) override; | |
457 | using ObjectStore::read; | |
458 | int read( | |
459 | const coll_t& cid, | |
460 | const ghobject_t& oid, | |
461 | uint64_t offset, | |
462 | size_t len, | |
463 | bufferlist& bl, | |
224ce89b | 464 | uint32_t op_flags = 0) override; |
7c673cae FG |
465 | int _do_read( |
466 | OnodeRef o, | |
467 | uint64_t offset, | |
468 | size_t len, | |
469 | bufferlist& bl, | |
470 | uint32_t op_flags = 0); | |
471 | ||
472 | using ObjectStore::fiemap; | |
473 | int fiemap(const coll_t& cid, const ghobject_t& oid, uint64_t offset, size_t len, bufferlist& bl) override; | |
474 | int fiemap(const coll_t& cid, const ghobject_t& oid, uint64_t offset, size_t len, map<uint64_t, uint64_t>& destmap) override; | |
475 | using ObjectStore::getattr; | |
476 | int getattr(const coll_t& cid, const ghobject_t& oid, const char *name, bufferptr& value) override; | |
477 | using ObjectStore::getattrs; | |
478 | int getattrs(const coll_t& cid, const ghobject_t& oid, map<string,bufferptr>& aset) override; | |
479 | ||
480 | int list_collections(vector<coll_t>& ls) override; | |
481 | bool collection_exists(const coll_t& c) override; | |
482 | int collection_empty(const coll_t& c, bool *empty) override; | |
483 | int collection_bits(const coll_t& c) override; | |
484 | int collection_list( | |
485 | const coll_t& cid, const ghobject_t& start, const ghobject_t& end, | |
486 | int max, | |
487 | vector<ghobject_t> *ls, ghobject_t *next) override; | |
488 | int collection_list( | |
489 | CollectionHandle &c, const ghobject_t& start, const ghobject_t& end, | |
490 | int max, | |
491 | vector<ghobject_t> *ls, ghobject_t *next) override; | |
492 | ||
493 | using ObjectStore::omap_get; | |
494 | int omap_get( | |
495 | const coll_t& cid, ///< [in] Collection containing oid | |
496 | const ghobject_t &oid, ///< [in] Object containing omap | |
497 | bufferlist *header, ///< [out] omap header | |
498 | map<string, bufferlist> *out /// < [out] Key to value map | |
499 | ) override; | |
500 | ||
501 | using ObjectStore::omap_get_header; | |
502 | /// Get omap header | |
503 | int omap_get_header( | |
504 | const coll_t& cid, ///< [in] Collection containing oid | |
505 | const ghobject_t &oid, ///< [in] Object containing omap | |
506 | bufferlist *header, ///< [out] omap header | |
507 | bool allow_eio = false ///< [in] don't assert on eio | |
508 | ) override; | |
509 | ||
510 | using ObjectStore::omap_get_keys; | |
511 | /// Get keys defined on oid | |
512 | int omap_get_keys( | |
513 | const coll_t& cid, ///< [in] Collection containing oid | |
514 | const ghobject_t &oid, ///< [in] Object containing omap | |
515 | set<string> *keys ///< [out] Keys defined on oid | |
516 | ) override; | |
517 | ||
518 | using ObjectStore::omap_get_values; | |
519 | /// Get key values | |
520 | int omap_get_values( | |
521 | const coll_t& cid, ///< [in] Collection containing oid | |
522 | const ghobject_t &oid, ///< [in] Object containing omap | |
523 | const set<string> &keys, ///< [in] Keys to get | |
524 | map<string, bufferlist> *out ///< [out] Returned keys and values | |
525 | ) override; | |
526 | ||
527 | using ObjectStore::omap_check_keys; | |
528 | /// Filters keys into out which are defined on oid | |
529 | int omap_check_keys( | |
530 | const coll_t& cid, ///< [in] Collection containing oid | |
531 | const ghobject_t &oid, ///< [in] Object containing omap | |
532 | const set<string> &keys, ///< [in] Keys to check | |
533 | set<string> *out ///< [out] Subset of keys defined on oid | |
534 | ) override; | |
535 | ||
536 | using ObjectStore::get_omap_iterator; | |
537 | ObjectMap::ObjectMapIterator get_omap_iterator( | |
538 | const coll_t& cid, ///< [in] collection | |
539 | const ghobject_t &oid ///< [in] object | |
540 | ) override; | |
541 | ||
542 | void set_fsid(uuid_d u) override { | |
543 | fsid = u; | |
544 | } | |
545 | uuid_d get_fsid() override { | |
546 | return fsid; | |
547 | } | |
548 | ||
549 | uint64_t estimate_objects_overhead(uint64_t num_objects) override { | |
550 | return num_objects * 300; //assuming per-object overhead is 300 bytes | |
551 | } | |
552 | ||
553 | objectstore_perf_stat_t get_cur_stats() override { | |
554 | return objectstore_perf_stat_t(); | |
555 | } | |
556 | const PerfCounters* get_perf_counters() const override { | |
557 | return logger; | |
558 | } | |
559 | ||
560 | ||
561 | int queue_transactions( | |
562 | Sequencer *osr, | |
563 | vector<Transaction>& tls, | |
564 | TrackedOpRef op = TrackedOpRef(), | |
565 | ThreadPool::TPHandle *handle = NULL) override; | |
566 | ||
224ce89b WB |
567 | void compact () override { |
568 | assert(db); | |
569 | db->compact(); | |
570 | } | |
571 | ||
7c673cae FG |
572 | private: |
573 | // -------------------------------------------------------- | |
574 | // write ops | |
575 | ||
576 | int _do_transaction(Transaction *t, | |
577 | TransContext *txc, | |
578 | ThreadPool::TPHandle *handle); | |
579 | ||
580 | int _write(TransContext *txc, | |
581 | CollectionRef& c, | |
582 | OnodeRef& o, | |
583 | uint64_t offset, size_t len, | |
584 | bufferlist& bl, | |
585 | uint32_t fadvise_flags); | |
586 | int _do_write(TransContext *txc, | |
587 | OnodeRef o, | |
588 | uint64_t offset, uint64_t length, | |
589 | bufferlist& bl, | |
590 | uint32_t fadvise_flags); | |
591 | int _touch(TransContext *txc, | |
592 | CollectionRef& c, | |
593 | OnodeRef& o); | |
594 | int _zero(TransContext *txc, | |
595 | CollectionRef& c, | |
596 | OnodeRef& o, | |
597 | uint64_t offset, size_t len); | |
598 | int _do_truncate(TransContext *txc, | |
599 | OnodeRef o, | |
600 | uint64_t offset); | |
601 | int _truncate(TransContext *txc, | |
602 | CollectionRef& c, | |
603 | OnodeRef& o, | |
604 | uint64_t offset); | |
605 | int _remove(TransContext *txc, | |
606 | CollectionRef& c, | |
607 | OnodeRef& o); | |
608 | int _do_remove(TransContext *txc, | |
609 | OnodeRef o); | |
610 | int _setattr(TransContext *txc, | |
611 | CollectionRef& c, | |
612 | OnodeRef& o, | |
613 | const string& name, | |
614 | bufferptr& val); | |
615 | int _setattrs(TransContext *txc, | |
616 | CollectionRef& c, | |
617 | OnodeRef& o, | |
618 | const map<string,bufferptr>& aset); | |
619 | int _rmattr(TransContext *txc, | |
620 | CollectionRef& c, | |
621 | OnodeRef& o, | |
622 | const string& name); | |
623 | int _rmattrs(TransContext *txc, | |
624 | CollectionRef& c, | |
625 | OnodeRef& o); | |
626 | void _do_omap_clear(TransContext *txc, uint64_t id); | |
627 | int _omap_clear(TransContext *txc, | |
628 | CollectionRef& c, | |
629 | OnodeRef& o); | |
630 | int _omap_setkeys(TransContext *txc, | |
631 | CollectionRef& c, | |
632 | OnodeRef& o, | |
633 | bufferlist& bl); | |
634 | int _omap_setheader(TransContext *txc, | |
635 | CollectionRef& c, | |
636 | OnodeRef& o, | |
637 | bufferlist& header); | |
638 | int _omap_rmkeys(TransContext *txc, | |
639 | CollectionRef& c, | |
640 | OnodeRef& o, | |
641 | bufferlist& bl); | |
642 | int _omap_rmkey_range(TransContext *txc, | |
643 | CollectionRef& c, | |
644 | OnodeRef& o, | |
645 | const string& first, const string& last); | |
646 | int _setallochint(TransContext *txc, | |
647 | CollectionRef& c, | |
648 | OnodeRef& o, | |
649 | uint64_t expected_object_size, | |
650 | uint64_t expected_write_size, | |
651 | uint32_t flags); | |
652 | int _clone(TransContext *txc, | |
653 | CollectionRef& c, | |
654 | OnodeRef& oldo, | |
655 | OnodeRef& newo); | |
656 | int _clone_range(TransContext *txc, | |
657 | CollectionRef& c, | |
658 | OnodeRef& oldo, | |
659 | OnodeRef& newo, | |
660 | uint64_t srcoff, uint64_t length, uint64_t dstoff); | |
661 | int _rename(TransContext *txc, | |
662 | CollectionRef& c, | |
663 | OnodeRef& oldo, | |
664 | OnodeRef& newo, | |
665 | const ghobject_t& new_oid); | |
666 | int _create_collection(TransContext *txc, coll_t cid, unsigned bits, | |
667 | CollectionRef *c); | |
668 | int _remove_collection(TransContext *txc, coll_t cid, CollectionRef *c); | |
669 | int _split_collection(TransContext *txc, | |
670 | CollectionRef& c, | |
671 | CollectionRef& d, | |
672 | unsigned bits, int rem); | |
673 | ||
674 | }; | |
675 | ||
676 | inline ostream& operator<<(ostream& out, const KStore::OpSequencer& s) { | |
677 | return out << *s.parent; | |
678 | } | |
679 | ||
680 | static inline void intrusive_ptr_add_ref(KStore::Onode *o) { | |
681 | o->get(); | |
682 | } | |
683 | static inline void intrusive_ptr_release(KStore::Onode *o) { | |
684 | o->put(); | |
685 | } | |
686 | ||
687 | static inline void intrusive_ptr_add_ref(KStore::OpSequencer *o) { | |
688 | o->get(); | |
689 | } | |
690 | static inline void intrusive_ptr_release(KStore::OpSequencer *o) { | |
691 | o->put(); | |
692 | } | |
693 | ||
694 | #endif |