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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 | * Copyright (c) 2015 Hewlett-Packard Development Company, L.P. | |
8 | * | |
9 | * This is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License version 2.1, as published by the Free Software | |
12 | * Foundation. See file COPYING. | |
13 | * | |
14 | */ | |
15 | #include "include/compat.h" | |
16 | #include "include/int_types.h" | |
17 | #include "boost/tuple/tuple.hpp" | |
18 | ||
19 | #include <unistd.h> | |
20 | #include <stdlib.h> | |
21 | #include <sys/types.h> | |
22 | #include <sys/stat.h> | |
23 | #include <fcntl.h> | |
24 | #include <sys/file.h> | |
25 | #include <errno.h> | |
26 | #include <dirent.h> | |
27 | #include <sys/ioctl.h> | |
28 | ||
29 | #if defined(__linux__) | |
30 | #include <linux/fs.h> | |
31 | #endif | |
32 | ||
33 | #include <iostream> | |
34 | #include <map> | |
35 | ||
36 | #include "include/linux_fiemap.h" | |
37 | ||
38 | #include "common/xattr.h" | |
39 | #include "chain_xattr.h" | |
40 | ||
41 | #if defined(DARWIN) || defined(__FreeBSD__) | |
42 | #include <sys/param.h> | |
43 | #include <sys/mount.h> | |
44 | #endif // DARWIN | |
45 | ||
46 | ||
47 | #include <fstream> | |
48 | #include <sstream> | |
49 | ||
50 | #include "FileStore.h" | |
51 | #include "GenericFileStoreBackend.h" | |
52 | #include "BtrfsFileStoreBackend.h" | |
53 | #include "XfsFileStoreBackend.h" | |
54 | #include "ZFSFileStoreBackend.h" | |
55 | #include "common/BackTrace.h" | |
56 | #include "include/types.h" | |
57 | #include "FileJournal.h" | |
58 | ||
59 | #include "osd/osd_types.h" | |
60 | #include "include/color.h" | |
61 | #include "include/buffer.h" | |
62 | ||
63 | #include "common/Timer.h" | |
64 | #include "common/debug.h" | |
65 | #include "common/errno.h" | |
66 | #include "common/run_cmd.h" | |
67 | #include "common/safe_io.h" | |
68 | #include "common/perf_counters.h" | |
69 | #include "common/sync_filesystem.h" | |
70 | #include "common/fd.h" | |
71 | #include "HashIndex.h" | |
72 | #include "DBObjectMap.h" | |
73 | #include "kv/KeyValueDB.h" | |
74 | ||
75 | #include "common/ceph_crypto.h" | |
76 | using ceph::crypto::SHA1; | |
77 | ||
78 | #include "include/assert.h" | |
79 | ||
80 | #include "common/config.h" | |
81 | #include "common/blkdev.h" | |
82 | ||
83 | #ifdef WITH_LTTNG | |
84 | #define TRACEPOINT_DEFINE | |
85 | #define TRACEPOINT_PROBE_DYNAMIC_LINKAGE | |
86 | #include "tracing/objectstore.h" | |
87 | #undef TRACEPOINT_PROBE_DYNAMIC_LINKAGE | |
88 | #undef TRACEPOINT_DEFINE | |
89 | #else | |
90 | #define tracepoint(...) | |
91 | #endif | |
92 | ||
93 | #define dout_context cct | |
94 | #define dout_subsys ceph_subsys_filestore | |
95 | #undef dout_prefix | |
96 | #define dout_prefix *_dout << "filestore(" << basedir << ") " | |
97 | ||
98 | #define COMMIT_SNAP_ITEM "snap_%llu" | |
99 | #define CLUSTER_SNAP_ITEM "clustersnap_%s" | |
100 | ||
101 | #define REPLAY_GUARD_XATTR "user.cephos.seq" | |
102 | #define GLOBAL_REPLAY_GUARD_XATTR "user.cephos.gseq" | |
103 | ||
104 | // XATTR_SPILL_OUT_NAME as a xattr is used to maintain that indicates whether | |
105 | // xattrs spill over into DBObjectMap, if XATTR_SPILL_OUT_NAME exists in file | |
106 | // xattrs and the value is "no", it indicates no xattrs in DBObjectMap | |
107 | #define XATTR_SPILL_OUT_NAME "user.cephos.spill_out" | |
108 | #define XATTR_NO_SPILL_OUT "0" | |
109 | #define XATTR_SPILL_OUT "1" | |
31f18b77 | 110 | #define __FUNC__ __func__ << "(" << __LINE__ << ")" |
7c673cae FG |
111 | |
112 | //Initial features in new superblock. | |
113 | static CompatSet get_fs_initial_compat_set() { | |
114 | CompatSet::FeatureSet ceph_osd_feature_compat; | |
115 | CompatSet::FeatureSet ceph_osd_feature_ro_compat; | |
116 | CompatSet::FeatureSet ceph_osd_feature_incompat; | |
117 | return CompatSet(ceph_osd_feature_compat, ceph_osd_feature_ro_compat, | |
118 | ceph_osd_feature_incompat); | |
119 | } | |
120 | ||
121 | //Features are added here that this FileStore supports. | |
122 | static CompatSet get_fs_supported_compat_set() { | |
123 | CompatSet compat = get_fs_initial_compat_set(); | |
124 | //Any features here can be set in code, but not in initial superblock | |
125 | compat.incompat.insert(CEPH_FS_FEATURE_INCOMPAT_SHARDS); | |
126 | return compat; | |
127 | } | |
128 | ||
129 | int FileStore::validate_hobject_key(const hobject_t &obj) const | |
130 | { | |
131 | unsigned len = LFNIndex::get_max_escaped_name_len(obj); | |
132 | return len > m_filestore_max_xattr_value_size ? -ENAMETOOLONG : 0; | |
133 | } | |
134 | ||
135 | int FileStore::get_block_device_fsid(CephContext* cct, const string& path, | |
136 | uuid_d *fsid) | |
137 | { | |
138 | // make sure we don't try to use aio or direct_io (and get annoying | |
139 | // error messages from failing to do so); performance implications | |
140 | // should be irrelevant for this use | |
141 | FileJournal j(cct, *fsid, 0, 0, path.c_str(), false, false); | |
142 | return j.peek_fsid(*fsid); | |
143 | } | |
144 | ||
145 | void FileStore::FSPerfTracker::update_from_perfcounters( | |
146 | PerfCounters &logger) | |
147 | { | |
148 | os_commit_latency.consume_next( | |
149 | logger.get_tavg_ms( | |
150 | l_filestore_journal_latency)); | |
151 | os_apply_latency.consume_next( | |
152 | logger.get_tavg_ms( | |
153 | l_filestore_apply_latency)); | |
154 | } | |
155 | ||
156 | ||
157 | ostream& operator<<(ostream& out, const FileStore::OpSequencer& s) | |
158 | { | |
159 | return out << *s.parent; | |
160 | } | |
161 | ||
162 | int FileStore::get_cdir(const coll_t& cid, char *s, int len) | |
163 | { | |
164 | const string &cid_str(cid.to_str()); | |
165 | return snprintf(s, len, "%s/current/%s", basedir.c_str(), cid_str.c_str()); | |
166 | } | |
167 | ||
168 | int FileStore::get_index(const coll_t& cid, Index *index) | |
169 | { | |
170 | int r = index_manager.get_index(cid, basedir, index); | |
171 | assert(!m_filestore_fail_eio || r != -EIO); | |
172 | return r; | |
173 | } | |
174 | ||
175 | int FileStore::init_index(const coll_t& cid) | |
176 | { | |
177 | char path[PATH_MAX]; | |
178 | get_cdir(cid, path, sizeof(path)); | |
179 | int r = index_manager.init_index(cid, path, target_version); | |
180 | assert(!m_filestore_fail_eio || r != -EIO); | |
181 | return r; | |
182 | } | |
183 | ||
184 | int FileStore::lfn_find(const ghobject_t& oid, const Index& index, IndexedPath *path) | |
185 | { | |
186 | IndexedPath path2; | |
187 | if (!path) | |
188 | path = &path2; | |
189 | int r, exist; | |
190 | assert(NULL != index.index); | |
191 | r = (index.index)->lookup(oid, path, &exist); | |
192 | if (r < 0) { | |
193 | assert(!m_filestore_fail_eio || r != -EIO); | |
194 | return r; | |
195 | } | |
196 | if (!exist) | |
197 | return -ENOENT; | |
198 | return 0; | |
199 | } | |
200 | ||
201 | int FileStore::lfn_truncate(const coll_t& cid, const ghobject_t& oid, off_t length) | |
202 | { | |
203 | FDRef fd; | |
204 | int r = lfn_open(cid, oid, false, &fd); | |
205 | if (r < 0) | |
206 | return r; | |
207 | r = ::ftruncate(**fd, length); | |
208 | if (r < 0) | |
209 | r = -errno; | |
210 | if (r >= 0 && m_filestore_sloppy_crc) { | |
211 | int rc = backend->_crc_update_truncate(**fd, length); | |
212 | assert(rc >= 0); | |
213 | } | |
214 | lfn_close(fd); | |
215 | assert(!m_filestore_fail_eio || r != -EIO); | |
216 | return r; | |
217 | } | |
218 | ||
219 | int FileStore::lfn_stat(const coll_t& cid, const ghobject_t& oid, struct stat *buf) | |
220 | { | |
221 | IndexedPath path; | |
222 | Index index; | |
223 | int r = get_index(cid, &index); | |
224 | if (r < 0) | |
225 | return r; | |
226 | ||
227 | assert(NULL != index.index); | |
228 | RWLock::RLocker l((index.index)->access_lock); | |
229 | ||
230 | r = lfn_find(oid, index, &path); | |
231 | if (r < 0) | |
232 | return r; | |
233 | r = ::stat(path->path(), buf); | |
234 | if (r < 0) | |
235 | r = -errno; | |
236 | return r; | |
237 | } | |
238 | ||
239 | int FileStore::lfn_open(const coll_t& cid, | |
240 | const ghobject_t& oid, | |
241 | bool create, | |
242 | FDRef *outfd, | |
243 | Index *index) | |
244 | { | |
245 | assert(outfd); | |
246 | int r = 0; | |
247 | bool need_lock = true; | |
248 | int flags = O_RDWR; | |
249 | ||
250 | if (create) | |
251 | flags |= O_CREAT; | |
252 | if (cct->_conf->filestore_odsync_write) { | |
253 | flags |= O_DSYNC; | |
254 | } | |
255 | ||
256 | Index index2; | |
257 | if (!index) { | |
258 | index = &index2; | |
259 | } | |
260 | if (!((*index).index)) { | |
261 | r = get_index(cid, index); | |
262 | if (r < 0) { | |
31f18b77 | 263 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
264 | return r; |
265 | } | |
266 | } else { | |
267 | need_lock = false; | |
268 | } | |
269 | ||
270 | int fd, exist; | |
271 | assert(NULL != (*index).index); | |
272 | if (need_lock) { | |
273 | ((*index).index)->access_lock.get_write(); | |
274 | } | |
275 | if (!replaying) { | |
276 | *outfd = fdcache.lookup(oid); | |
277 | if (*outfd) { | |
278 | if (need_lock) { | |
279 | ((*index).index)->access_lock.put_write(); | |
280 | } | |
281 | return 0; | |
282 | } | |
283 | } | |
284 | ||
285 | ||
286 | IndexedPath path2; | |
287 | IndexedPath *path = &path2; | |
288 | ||
289 | r = (*index)->lookup(oid, path, &exist); | |
290 | if (r < 0) { | |
291 | derr << "could not find " << oid << " in index: " | |
292 | << cpp_strerror(-r) << dendl; | |
293 | goto fail; | |
294 | } | |
295 | ||
296 | r = ::open((*path)->path(), flags, 0644); | |
297 | if (r < 0) { | |
298 | r = -errno; | |
299 | dout(10) << "error opening file " << (*path)->path() << " with flags=" | |
300 | << flags << ": " << cpp_strerror(-r) << dendl; | |
301 | goto fail; | |
302 | } | |
303 | fd = r; | |
304 | if (create && (!exist)) { | |
305 | r = (*index)->created(oid, (*path)->path()); | |
306 | if (r < 0) { | |
307 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
308 | derr << "error creating " << oid << " (" << (*path)->path() | |
309 | << ") in index: " << cpp_strerror(-r) << dendl; | |
310 | goto fail; | |
311 | } | |
312 | r = chain_fsetxattr<true, true>( | |
313 | fd, XATTR_SPILL_OUT_NAME, | |
314 | XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT)); | |
315 | if (r < 0) { | |
316 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
317 | derr << "error setting spillout xattr for oid " << oid << " (" << (*path)->path() | |
318 | << "):" << cpp_strerror(-r) << dendl; | |
319 | goto fail; | |
320 | } | |
321 | } | |
322 | ||
323 | if (!replaying) { | |
324 | bool existed; | |
325 | *outfd = fdcache.add(oid, fd, &existed); | |
326 | if (existed) { | |
327 | TEMP_FAILURE_RETRY(::close(fd)); | |
328 | } | |
329 | } else { | |
330 | *outfd = std::make_shared<FDCache::FD>(fd); | |
331 | } | |
332 | ||
333 | if (need_lock) { | |
334 | ((*index).index)->access_lock.put_write(); | |
335 | } | |
336 | ||
337 | return 0; | |
338 | ||
339 | fail: | |
340 | ||
341 | if (need_lock) { | |
342 | ((*index).index)->access_lock.put_write(); | |
343 | } | |
344 | ||
345 | assert(!m_filestore_fail_eio || r != -EIO); | |
346 | return r; | |
347 | } | |
348 | ||
349 | void FileStore::lfn_close(FDRef fd) | |
350 | { | |
351 | } | |
352 | ||
353 | int FileStore::lfn_link(const coll_t& c, const coll_t& newcid, const ghobject_t& o, const ghobject_t& newoid) | |
354 | { | |
355 | Index index_new, index_old; | |
356 | IndexedPath path_new, path_old; | |
357 | int exist; | |
358 | int r; | |
359 | bool index_same = false; | |
360 | if (c < newcid) { | |
361 | r = get_index(newcid, &index_new); | |
362 | if (r < 0) | |
363 | return r; | |
364 | r = get_index(c, &index_old); | |
365 | if (r < 0) | |
366 | return r; | |
367 | } else if (c == newcid) { | |
368 | r = get_index(c, &index_old); | |
369 | if (r < 0) | |
370 | return r; | |
371 | index_new = index_old; | |
372 | index_same = true; | |
373 | } else { | |
374 | r = get_index(c, &index_old); | |
375 | if (r < 0) | |
376 | return r; | |
377 | r = get_index(newcid, &index_new); | |
378 | if (r < 0) | |
379 | return r; | |
380 | } | |
381 | ||
382 | assert(NULL != index_old.index); | |
383 | assert(NULL != index_new.index); | |
384 | ||
385 | if (!index_same) { | |
386 | ||
387 | RWLock::RLocker l1((index_old.index)->access_lock); | |
388 | ||
389 | r = index_old->lookup(o, &path_old, &exist); | |
390 | if (r < 0) { | |
391 | assert(!m_filestore_fail_eio || r != -EIO); | |
392 | return r; | |
393 | } | |
394 | if (!exist) | |
395 | return -ENOENT; | |
396 | ||
397 | RWLock::WLocker l2((index_new.index)->access_lock); | |
398 | ||
399 | r = index_new->lookup(newoid, &path_new, &exist); | |
400 | if (r < 0) { | |
401 | assert(!m_filestore_fail_eio || r != -EIO); | |
402 | return r; | |
403 | } | |
404 | if (exist) | |
405 | return -EEXIST; | |
406 | ||
31f18b77 FG |
407 | dout(25) << __FUNC__ << ": path_old: " << path_old << dendl; |
408 | dout(25) << __FUNC__ << ": path_new: " << path_new << dendl; | |
7c673cae FG |
409 | r = ::link(path_old->path(), path_new->path()); |
410 | if (r < 0) | |
411 | return -errno; | |
412 | ||
413 | r = index_new->created(newoid, path_new->path()); | |
414 | if (r < 0) { | |
415 | assert(!m_filestore_fail_eio || r != -EIO); | |
416 | return r; | |
417 | } | |
418 | } else { | |
419 | RWLock::WLocker l1((index_old.index)->access_lock); | |
420 | ||
421 | r = index_old->lookup(o, &path_old, &exist); | |
422 | if (r < 0) { | |
423 | assert(!m_filestore_fail_eio || r != -EIO); | |
424 | return r; | |
425 | } | |
426 | if (!exist) | |
427 | return -ENOENT; | |
428 | ||
429 | r = index_new->lookup(newoid, &path_new, &exist); | |
430 | if (r < 0) { | |
431 | assert(!m_filestore_fail_eio || r != -EIO); | |
432 | return r; | |
433 | } | |
434 | if (exist) | |
435 | return -EEXIST; | |
436 | ||
31f18b77 FG |
437 | dout(25) << __FUNC__ << ": path_old: " << path_old << dendl; |
438 | dout(25) << __FUNC__ << ": path_new: " << path_new << dendl; | |
7c673cae FG |
439 | r = ::link(path_old->path(), path_new->path()); |
440 | if (r < 0) | |
441 | return -errno; | |
442 | ||
443 | // make sure old fd for unlinked/overwritten file is gone | |
444 | fdcache.clear(newoid); | |
445 | ||
446 | r = index_new->created(newoid, path_new->path()); | |
447 | if (r < 0) { | |
448 | assert(!m_filestore_fail_eio || r != -EIO); | |
449 | return r; | |
450 | } | |
451 | } | |
452 | return 0; | |
453 | } | |
454 | ||
455 | int FileStore::lfn_unlink(const coll_t& cid, const ghobject_t& o, | |
456 | const SequencerPosition &spos, | |
457 | bool force_clear_omap) | |
458 | { | |
459 | Index index; | |
460 | int r = get_index(cid, &index); | |
461 | if (r < 0) { | |
31f18b77 | 462 | dout(25) << __FUNC__ << ": get_index failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
463 | return r; |
464 | } | |
465 | ||
466 | assert(NULL != index.index); | |
467 | RWLock::WLocker l((index.index)->access_lock); | |
468 | ||
469 | { | |
470 | IndexedPath path; | |
471 | int hardlink; | |
472 | r = index->lookup(o, &path, &hardlink); | |
473 | if (r < 0) { | |
474 | assert(!m_filestore_fail_eio || r != -EIO); | |
475 | return r; | |
476 | } | |
477 | ||
478 | if (!force_clear_omap) { | |
479 | if (hardlink == 0 || hardlink == 1) { | |
480 | force_clear_omap = true; | |
481 | } | |
482 | } | |
483 | if (force_clear_omap) { | |
31f18b77 | 484 | dout(20) << __FUNC__ << ": clearing omap on " << o |
7c673cae FG |
485 | << " in cid " << cid << dendl; |
486 | r = object_map->clear(o, &spos); | |
487 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 488 | dout(25) << __FUNC__ << ": omap clear failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
489 | assert(!m_filestore_fail_eio || r != -EIO); |
490 | return r; | |
491 | } | |
492 | if (cct->_conf->filestore_debug_inject_read_err) { | |
493 | debug_obj_on_delete(o); | |
494 | } | |
495 | if (!m_disable_wbthrottle) { | |
496 | wbthrottle.clear_object(o); // should be only non-cache ref | |
497 | } | |
498 | fdcache.clear(o); | |
499 | } else { | |
500 | /* Ensure that replay of this op doesn't result in the object_map | |
501 | * going away. | |
502 | */ | |
503 | if (!backend->can_checkpoint()) | |
504 | object_map->sync(&o, &spos); | |
505 | } | |
506 | if (hardlink == 0) { | |
507 | if (!m_disable_wbthrottle) { | |
508 | wbthrottle.clear_object(o); // should be only non-cache ref | |
509 | } | |
510 | return 0; | |
511 | } | |
512 | } | |
513 | r = index->unlink(o); | |
514 | if (r < 0) { | |
31f18b77 | 515 | dout(25) << __FUNC__ << ": index unlink failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
516 | return r; |
517 | } | |
518 | return 0; | |
519 | } | |
520 | ||
521 | FileStore::FileStore(CephContext* cct, const std::string &base, | |
522 | const std::string &jdev, osflagbits_t flags, | |
523 | const char *name, bool do_update) : | |
524 | JournalingObjectStore(cct, base), | |
525 | internal_name(name), | |
526 | basedir(base), journalpath(jdev), | |
527 | generic_flags(flags), | |
528 | blk_size(0), | |
529 | fsid_fd(-1), op_fd(-1), | |
530 | basedir_fd(-1), current_fd(-1), | |
531 | backend(NULL), | |
532 | index_manager(cct, do_update), | |
533 | lock("FileStore::lock"), | |
534 | force_sync(false), | |
535 | sync_entry_timeo_lock("FileStore::sync_entry_timeo_lock"), | |
536 | timer(cct, sync_entry_timeo_lock), | |
537 | stop(false), sync_thread(this), | |
538 | fdcache(cct), | |
539 | wbthrottle(cct), | |
540 | next_osr_id(0), | |
541 | m_disable_wbthrottle(cct->_conf->filestore_odsync_write || | |
542 | !cct->_conf->filestore_wbthrottle_enable), | |
543 | throttle_ops(cct, "filestore_ops", cct->_conf->filestore_caller_concurrency), | |
544 | throttle_bytes(cct, "filestore_bytes", cct->_conf->filestore_caller_concurrency), | |
545 | m_ondisk_finisher_num(cct->_conf->filestore_ondisk_finisher_threads), | |
546 | m_apply_finisher_num(cct->_conf->filestore_apply_finisher_threads), | |
547 | op_tp(cct, "FileStore::op_tp", "tp_fstore_op", cct->_conf->filestore_op_threads, "filestore_op_threads"), | |
548 | op_wq(this, cct->_conf->filestore_op_thread_timeout, | |
549 | cct->_conf->filestore_op_thread_suicide_timeout, &op_tp), | |
550 | logger(NULL), | |
551 | trace_endpoint("0.0.0.0", 0, "FileStore"), | |
552 | read_error_lock("FileStore::read_error_lock"), | |
553 | m_filestore_commit_timeout(cct->_conf->filestore_commit_timeout), | |
554 | m_filestore_journal_parallel(cct->_conf->filestore_journal_parallel ), | |
555 | m_filestore_journal_trailing(cct->_conf->filestore_journal_trailing), | |
556 | m_filestore_journal_writeahead(cct->_conf->filestore_journal_writeahead), | |
557 | m_filestore_fiemap_threshold(cct->_conf->filestore_fiemap_threshold), | |
558 | m_filestore_max_sync_interval(cct->_conf->filestore_max_sync_interval), | |
559 | m_filestore_min_sync_interval(cct->_conf->filestore_min_sync_interval), | |
560 | m_filestore_fail_eio(cct->_conf->filestore_fail_eio), | |
561 | m_filestore_fadvise(cct->_conf->filestore_fadvise), | |
562 | do_update(do_update), | |
563 | m_journal_dio(cct->_conf->journal_dio), | |
564 | m_journal_aio(cct->_conf->journal_aio), | |
565 | m_journal_force_aio(cct->_conf->journal_force_aio), | |
566 | m_osd_rollback_to_cluster_snap(cct->_conf->osd_rollback_to_cluster_snap), | |
567 | m_osd_use_stale_snap(cct->_conf->osd_use_stale_snap), | |
568 | m_filestore_do_dump(false), | |
569 | m_filestore_dump_fmt(true), | |
570 | m_filestore_sloppy_crc(cct->_conf->filestore_sloppy_crc), | |
571 | m_filestore_sloppy_crc_block_size(cct->_conf->filestore_sloppy_crc_block_size), | |
572 | m_filestore_max_alloc_hint_size(cct->_conf->filestore_max_alloc_hint_size), | |
573 | m_fs_type(0), | |
574 | m_filestore_max_inline_xattr_size(0), | |
575 | m_filestore_max_inline_xattrs(0), | |
576 | m_filestore_max_xattr_value_size(0) | |
577 | { | |
31f18b77 | 578 | m_filestore_kill_at = cct->_conf->filestore_kill_at; |
7c673cae FG |
579 | for (int i = 0; i < m_ondisk_finisher_num; ++i) { |
580 | ostringstream oss; | |
581 | oss << "filestore-ondisk-" << i; | |
582 | Finisher *f = new Finisher(cct, oss.str(), "fn_odsk_fstore"); | |
583 | ondisk_finishers.push_back(f); | |
584 | } | |
585 | for (int i = 0; i < m_apply_finisher_num; ++i) { | |
586 | ostringstream oss; | |
587 | oss << "filestore-apply-" << i; | |
588 | Finisher *f = new Finisher(cct, oss.str(), "fn_appl_fstore"); | |
589 | apply_finishers.push_back(f); | |
590 | } | |
591 | ||
592 | ostringstream oss; | |
593 | oss << basedir << "/current"; | |
594 | current_fn = oss.str(); | |
595 | ||
596 | ostringstream sss; | |
597 | sss << basedir << "/current/commit_op_seq"; | |
598 | current_op_seq_fn = sss.str(); | |
599 | ||
600 | ostringstream omss; | |
601 | if (cct->_conf->filestore_omap_backend_path != "") { | |
602 | omap_dir = cct->_conf->filestore_omap_backend_path; | |
603 | } else { | |
604 | omss << basedir << "/current/omap"; | |
605 | omap_dir = omss.str(); | |
606 | } | |
607 | ||
608 | // initialize logger | |
609 | PerfCountersBuilder plb(cct, internal_name, l_filestore_first, l_filestore_last); | |
610 | ||
611 | plb.add_u64(l_filestore_journal_queue_ops, "journal_queue_ops", "Operations in journal queue"); | |
612 | plb.add_u64(l_filestore_journal_ops, "journal_ops", "Active journal entries to be applied"); | |
613 | plb.add_u64(l_filestore_journal_queue_bytes, "journal_queue_bytes", "Size of journal queue"); | |
614 | plb.add_u64(l_filestore_journal_bytes, "journal_bytes", "Active journal operation size to be applied"); | |
615 | plb.add_time_avg(l_filestore_journal_latency, "journal_latency", "Average journal queue completing latency"); | |
616 | plb.add_u64_counter(l_filestore_journal_wr, "journal_wr", "Journal write IOs"); | |
617 | plb.add_u64_avg(l_filestore_journal_wr_bytes, "journal_wr_bytes", "Journal data written"); | |
618 | plb.add_u64(l_filestore_op_queue_max_ops, "op_queue_max_ops", "Max operations in writing to FS queue"); | |
619 | plb.add_u64(l_filestore_op_queue_ops, "op_queue_ops", "Operations in writing to FS queue"); | |
620 | plb.add_u64_counter(l_filestore_ops, "ops", "Operations written to store"); | |
621 | plb.add_u64(l_filestore_op_queue_max_bytes, "op_queue_max_bytes", "Max data in writing to FS queue"); | |
622 | plb.add_u64(l_filestore_op_queue_bytes, "op_queue_bytes", "Size of writing to FS queue"); | |
623 | plb.add_u64_counter(l_filestore_bytes, "bytes", "Data written to store"); | |
624 | plb.add_time_avg(l_filestore_apply_latency, "apply_latency", "Apply latency"); | |
625 | plb.add_u64(l_filestore_committing, "committing", "Is currently committing"); | |
626 | ||
627 | plb.add_u64_counter(l_filestore_commitcycle, "commitcycle", "Commit cycles"); | |
628 | plb.add_time_avg(l_filestore_commitcycle_interval, "commitcycle_interval", "Average interval between commits"); | |
629 | plb.add_time_avg(l_filestore_commitcycle_latency, "commitcycle_latency", "Average latency of commit"); | |
630 | plb.add_u64_counter(l_filestore_journal_full, "journal_full", "Journal writes while full"); | |
631 | plb.add_time_avg(l_filestore_queue_transaction_latency_avg, "queue_transaction_latency_avg", "Store operation queue latency"); | |
224ce89b | 632 | plb.add_time(l_filestore_sync_pause_max_lat, "sync_pause_max_latency", "Max latency of op_wq pause before syncfs"); |
7c673cae FG |
633 | |
634 | logger = plb.create_perf_counters(); | |
635 | ||
636 | cct->get_perfcounters_collection()->add(logger); | |
637 | cct->_conf->add_observer(this); | |
638 | ||
639 | superblock.compat_features = get_fs_initial_compat_set(); | |
640 | } | |
641 | ||
642 | FileStore::~FileStore() | |
643 | { | |
644 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
645 | delete *it; | |
646 | *it = NULL; | |
647 | } | |
648 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
649 | delete *it; | |
650 | *it = NULL; | |
651 | } | |
652 | cct->_conf->remove_observer(this); | |
653 | cct->get_perfcounters_collection()->remove(logger); | |
654 | ||
655 | if (journal) | |
656 | journal->logger = NULL; | |
657 | delete logger; | |
658 | ||
659 | if (m_filestore_do_dump) { | |
660 | dump_stop(); | |
661 | } | |
662 | } | |
663 | ||
664 | static void get_attrname(const char *name, char *buf, int len) | |
665 | { | |
666 | snprintf(buf, len, "user.ceph.%s", name); | |
667 | } | |
668 | ||
669 | bool parse_attrname(char **name) | |
670 | { | |
671 | if (strncmp(*name, "user.ceph.", 10) == 0) { | |
672 | *name += 10; | |
673 | return true; | |
674 | } | |
675 | return false; | |
676 | } | |
677 | ||
678 | void FileStore::collect_metadata(map<string,string> *pm) | |
679 | { | |
680 | char partition_path[PATH_MAX]; | |
681 | char dev_node[PATH_MAX]; | |
682 | int rc = 0; | |
683 | ||
684 | (*pm)["filestore_backend"] = backend->get_name(); | |
685 | ostringstream ss; | |
686 | ss << "0x" << std::hex << m_fs_type << std::dec; | |
687 | (*pm)["filestore_f_type"] = ss.str(); | |
688 | ||
689 | if (cct->_conf->filestore_collect_device_partition_information) { | |
3efd9988 | 690 | rc = get_device_by_fd(fsid_fd, partition_path, dev_node, PATH_MAX); |
7c673cae FG |
691 | } else { |
692 | rc = -EINVAL; | |
693 | } | |
694 | ||
695 | switch (rc) { | |
696 | case -EOPNOTSUPP: | |
697 | case -EINVAL: | |
698 | (*pm)["backend_filestore_partition_path"] = "unknown"; | |
699 | (*pm)["backend_filestore_dev_node"] = "unknown"; | |
700 | break; | |
701 | case -ENODEV: | |
702 | (*pm)["backend_filestore_partition_path"] = string(partition_path); | |
703 | (*pm)["backend_filestore_dev_node"] = "unknown"; | |
704 | break; | |
705 | default: | |
706 | (*pm)["backend_filestore_partition_path"] = string(partition_path); | |
707 | (*pm)["backend_filestore_dev_node"] = string(dev_node); | |
708 | } | |
709 | } | |
710 | ||
711 | int FileStore::statfs(struct store_statfs_t *buf0) | |
712 | { | |
713 | struct statfs buf; | |
714 | buf0->reset(); | |
715 | if (::statfs(basedir.c_str(), &buf) < 0) { | |
716 | int r = -errno; | |
717 | assert(!m_filestore_fail_eio || r != -EIO); | |
718 | assert(r != -ENOENT); | |
719 | return r; | |
720 | } | |
721 | buf0->total = buf.f_blocks * buf.f_bsize; | |
722 | buf0->available = buf.f_bavail * buf.f_bsize; | |
723 | // Adjust for writes pending in the journal | |
724 | if (journal) { | |
725 | uint64_t estimate = journal->get_journal_size_estimate(); | |
726 | if (buf0->available > estimate) | |
727 | buf0->available -= estimate; | |
728 | else | |
729 | buf0->available = 0; | |
730 | } | |
731 | return 0; | |
732 | } | |
733 | ||
734 | ||
735 | void FileStore::new_journal() | |
736 | { | |
737 | if (journalpath.length()) { | |
738 | dout(10) << "open_journal at " << journalpath << dendl; | |
739 | journal = new FileJournal(cct, fsid, &finisher, &sync_cond, | |
740 | journalpath.c_str(), | |
741 | m_journal_dio, m_journal_aio, | |
742 | m_journal_force_aio); | |
743 | if (journal) | |
744 | journal->logger = logger; | |
745 | } | |
746 | return; | |
747 | } | |
748 | ||
749 | int FileStore::dump_journal(ostream& out) | |
750 | { | |
751 | int r; | |
752 | ||
753 | if (!journalpath.length()) | |
754 | return -EINVAL; | |
755 | ||
756 | FileJournal *journal = new FileJournal(cct, fsid, &finisher, &sync_cond, journalpath.c_str(), m_journal_dio); | |
757 | r = journal->dump(out); | |
758 | delete journal; | |
759 | return r; | |
760 | } | |
761 | ||
762 | FileStoreBackend *FileStoreBackend::create(long f_type, FileStore *fs) | |
763 | { | |
764 | switch (f_type) { | |
765 | #if defined(__linux__) | |
766 | case BTRFS_SUPER_MAGIC: | |
767 | return new BtrfsFileStoreBackend(fs); | |
768 | # ifdef HAVE_LIBXFS | |
769 | case XFS_SUPER_MAGIC: | |
770 | return new XfsFileStoreBackend(fs); | |
771 | # endif | |
772 | #endif | |
773 | #ifdef HAVE_LIBZFS | |
774 | case ZFS_SUPER_MAGIC: | |
775 | return new ZFSFileStoreBackend(fs); | |
776 | #endif | |
777 | default: | |
778 | return new GenericFileStoreBackend(fs); | |
779 | } | |
780 | } | |
781 | ||
782 | void FileStore::create_backend(long f_type) | |
783 | { | |
784 | m_fs_type = f_type; | |
785 | ||
786 | assert(backend == NULL); | |
787 | backend = FileStoreBackend::create(f_type, this); | |
788 | ||
789 | dout(0) << "backend " << backend->get_name() | |
790 | << " (magic 0x" << std::hex << f_type << std::dec << ")" | |
791 | << dendl; | |
792 | ||
793 | switch (f_type) { | |
794 | #if defined(__linux__) | |
795 | case BTRFS_SUPER_MAGIC: | |
796 | if (!m_disable_wbthrottle){ | |
797 | wbthrottle.set_fs(WBThrottle::BTRFS); | |
798 | } | |
799 | break; | |
800 | ||
801 | case XFS_SUPER_MAGIC: | |
802 | // wbthrottle is constructed with fs(WBThrottle::XFS) | |
803 | break; | |
804 | #endif | |
805 | } | |
806 | ||
807 | set_xattr_limits_via_conf(); | |
808 | } | |
809 | ||
810 | int FileStore::mkfs() | |
811 | { | |
812 | int ret = 0; | |
813 | char fsid_fn[PATH_MAX]; | |
814 | char fsid_str[40]; | |
815 | uuid_d old_fsid; | |
816 | uuid_d old_omap_fsid; | |
817 | ||
818 | dout(1) << "mkfs in " << basedir << dendl; | |
819 | basedir_fd = ::open(basedir.c_str(), O_RDONLY); | |
820 | if (basedir_fd < 0) { | |
821 | ret = -errno; | |
224ce89b | 822 | derr << __FUNC__ << ": failed to open base dir " << basedir << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
823 | return ret; |
824 | } | |
825 | ||
826 | // open+lock fsid | |
827 | snprintf(fsid_fn, sizeof(fsid_fn), "%s/fsid", basedir.c_str()); | |
828 | fsid_fd = ::open(fsid_fn, O_RDWR|O_CREAT, 0644); | |
829 | if (fsid_fd < 0) { | |
830 | ret = -errno; | |
224ce89b | 831 | derr << __FUNC__ << ": failed to open " << fsid_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
832 | goto close_basedir_fd; |
833 | } | |
834 | ||
835 | if (lock_fsid() < 0) { | |
836 | ret = -EBUSY; | |
837 | goto close_fsid_fd; | |
838 | } | |
839 | ||
840 | if (read_fsid(fsid_fd, &old_fsid) < 0 || old_fsid.is_zero()) { | |
841 | if (fsid.is_zero()) { | |
842 | fsid.generate_random(); | |
224ce89b | 843 | dout(1) << __FUNC__ << ": generated fsid " << fsid << dendl; |
7c673cae | 844 | } else { |
224ce89b | 845 | dout(1) << __FUNC__ << ": using provided fsid " << fsid << dendl; |
7c673cae FG |
846 | } |
847 | ||
848 | fsid.print(fsid_str); | |
849 | strcat(fsid_str, "\n"); | |
850 | ret = ::ftruncate(fsid_fd, 0); | |
851 | if (ret < 0) { | |
852 | ret = -errno; | |
31f18b77 | 853 | derr << __FUNC__ << ": failed to truncate fsid: " |
7c673cae FG |
854 | << cpp_strerror(ret) << dendl; |
855 | goto close_fsid_fd; | |
856 | } | |
857 | ret = safe_write(fsid_fd, fsid_str, strlen(fsid_str)); | |
858 | if (ret < 0) { | |
31f18b77 | 859 | derr << __FUNC__ << ": failed to write fsid: " |
7c673cae FG |
860 | << cpp_strerror(ret) << dendl; |
861 | goto close_fsid_fd; | |
862 | } | |
863 | if (::fsync(fsid_fd) < 0) { | |
864 | ret = -errno; | |
31f18b77 | 865 | derr << __FUNC__ << ": close failed: can't write fsid: " |
7c673cae FG |
866 | << cpp_strerror(ret) << dendl; |
867 | goto close_fsid_fd; | |
868 | } | |
224ce89b | 869 | dout(10) << __FUNC__ << ": fsid is " << fsid << dendl; |
7c673cae FG |
870 | } else { |
871 | if (!fsid.is_zero() && fsid != old_fsid) { | |
31f18b77 | 872 | derr << __FUNC__ << ": on-disk fsid " << old_fsid << " != provided " << fsid << dendl; |
7c673cae FG |
873 | ret = -EINVAL; |
874 | goto close_fsid_fd; | |
875 | } | |
876 | fsid = old_fsid; | |
31f18b77 | 877 | dout(1) << __FUNC__ << ": fsid is already set to " << fsid << dendl; |
7c673cae FG |
878 | } |
879 | ||
880 | // version stamp | |
881 | ret = write_version_stamp(); | |
882 | if (ret < 0) { | |
31f18b77 | 883 | derr << __FUNC__ << ": write_version_stamp() failed: " |
7c673cae FG |
884 | << cpp_strerror(ret) << dendl; |
885 | goto close_fsid_fd; | |
886 | } | |
887 | ||
888 | // superblock | |
889 | superblock.omap_backend = cct->_conf->filestore_omap_backend; | |
890 | ret = write_superblock(); | |
891 | if (ret < 0) { | |
31f18b77 | 892 | derr << __FUNC__ << ": write_superblock() failed: " |
7c673cae FG |
893 | << cpp_strerror(ret) << dendl; |
894 | goto close_fsid_fd; | |
895 | } | |
896 | ||
897 | struct statfs basefs; | |
898 | ret = ::fstatfs(basedir_fd, &basefs); | |
899 | if (ret < 0) { | |
900 | ret = -errno; | |
31f18b77 | 901 | derr << __FUNC__ << ": cannot fstatfs basedir " |
7c673cae FG |
902 | << cpp_strerror(ret) << dendl; |
903 | goto close_fsid_fd; | |
904 | } | |
905 | ||
224ce89b WB |
906 | #if defined(__linux__) |
907 | if (basefs.f_type == BTRFS_SUPER_MAGIC && | |
908 | !g_ceph_context->check_experimental_feature_enabled("btrfs")) { | |
909 | derr << __FUNC__ << ": deprecated btrfs support is not enabled" << dendl; | |
910 | goto close_fsid_fd; | |
911 | } | |
912 | #endif | |
913 | ||
7c673cae FG |
914 | create_backend(basefs.f_type); |
915 | ||
916 | ret = backend->create_current(); | |
917 | if (ret < 0) { | |
31f18b77 | 918 | derr << __FUNC__ << ": failed to create current/ " << cpp_strerror(ret) << dendl; |
7c673cae FG |
919 | goto close_fsid_fd; |
920 | } | |
921 | ||
922 | // write initial op_seq | |
923 | { | |
924 | uint64_t initial_seq = 0; | |
925 | int fd = read_op_seq(&initial_seq); | |
926 | if (fd < 0) { | |
927 | ret = fd; | |
31f18b77 | 928 | derr << __FUNC__ << ": failed to create " << current_op_seq_fn << ": " |
7c673cae FG |
929 | << cpp_strerror(ret) << dendl; |
930 | goto close_fsid_fd; | |
931 | } | |
932 | if (initial_seq == 0) { | |
933 | ret = write_op_seq(fd, 1); | |
934 | if (ret < 0) { | |
935 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 936 | derr << __FUNC__ << ": failed to write to " << current_op_seq_fn << ": " |
7c673cae FG |
937 | << cpp_strerror(ret) << dendl; |
938 | goto close_fsid_fd; | |
939 | } | |
940 | ||
941 | if (backend->can_checkpoint()) { | |
942 | // create snap_1 too | |
943 | current_fd = ::open(current_fn.c_str(), O_RDONLY); | |
944 | assert(current_fd >= 0); | |
945 | char s[NAME_MAX]; | |
946 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, 1ull); | |
947 | ret = backend->create_checkpoint(s, NULL); | |
948 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
949 | if (ret < 0 && ret != -EEXIST) { | |
950 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 951 | derr << __FUNC__ << ": failed to create snap_1: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
952 | goto close_fsid_fd; |
953 | } | |
954 | } | |
955 | } | |
956 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
957 | } | |
958 | ret = KeyValueDB::test_init(superblock.omap_backend, omap_dir); | |
959 | if (ret < 0) { | |
31f18b77 | 960 | derr << __FUNC__ << ": failed to create " << cct->_conf->filestore_omap_backend << dendl; |
7c673cae FG |
961 | goto close_fsid_fd; |
962 | } | |
963 | // create fsid under omap | |
964 | // open+lock fsid | |
965 | int omap_fsid_fd; | |
966 | char omap_fsid_fn[PATH_MAX]; | |
967 | snprintf(omap_fsid_fn, sizeof(omap_fsid_fn), "%s/osd_uuid", omap_dir.c_str()); | |
968 | omap_fsid_fd = ::open(omap_fsid_fn, O_RDWR|O_CREAT, 0644); | |
969 | if (omap_fsid_fd < 0) { | |
970 | ret = -errno; | |
31f18b77 | 971 | derr << __FUNC__ << ": failed to open " << omap_fsid_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
972 | goto close_fsid_fd; |
973 | } | |
974 | ||
975 | if (read_fsid(omap_fsid_fd, &old_omap_fsid) < 0 || old_omap_fsid.is_zero()) { | |
976 | assert(!fsid.is_zero()); | |
977 | fsid.print(fsid_str); | |
978 | strcat(fsid_str, "\n"); | |
979 | ret = ::ftruncate(omap_fsid_fd, 0); | |
980 | if (ret < 0) { | |
981 | ret = -errno; | |
31f18b77 | 982 | derr << __FUNC__ << ": failed to truncate fsid: " |
7c673cae FG |
983 | << cpp_strerror(ret) << dendl; |
984 | goto close_omap_fsid_fd; | |
985 | } | |
986 | ret = safe_write(omap_fsid_fd, fsid_str, strlen(fsid_str)); | |
987 | if (ret < 0) { | |
31f18b77 | 988 | derr << __FUNC__ << ": failed to write fsid: " |
7c673cae FG |
989 | << cpp_strerror(ret) << dendl; |
990 | goto close_omap_fsid_fd; | |
991 | } | |
31f18b77 | 992 | dout(10) << __FUNC__ << ": write success, fsid:" << fsid_str << ", ret:" << ret << dendl; |
7c673cae FG |
993 | if (::fsync(omap_fsid_fd) < 0) { |
994 | ret = -errno; | |
31f18b77 | 995 | derr << __FUNC__ << ": close failed: can't write fsid: " |
7c673cae FG |
996 | << cpp_strerror(ret) << dendl; |
997 | goto close_omap_fsid_fd; | |
998 | } | |
999 | dout(10) << "mkfs omap fsid is " << fsid << dendl; | |
1000 | } else { | |
1001 | if (fsid != old_omap_fsid) { | |
31f18b77 | 1002 | derr << __FUNC__ << ": " << omap_fsid_fn |
7c673cae FG |
1003 | << " has existed omap fsid " << old_omap_fsid |
1004 | << " != expected osd fsid " << fsid | |
1005 | << dendl; | |
1006 | ret = -EINVAL; | |
1007 | goto close_omap_fsid_fd; | |
1008 | } | |
31f18b77 | 1009 | dout(1) << __FUNC__ << ": omap fsid is already set to " << fsid << dendl; |
7c673cae FG |
1010 | } |
1011 | ||
1012 | dout(1) << cct->_conf->filestore_omap_backend << " db exists/created" << dendl; | |
1013 | ||
1014 | // journal? | |
1015 | ret = mkjournal(); | |
1016 | if (ret) | |
1017 | goto close_omap_fsid_fd; | |
1018 | ||
1019 | ret = write_meta("type", "filestore"); | |
1020 | if (ret) | |
1021 | goto close_omap_fsid_fd; | |
1022 | ||
1023 | dout(1) << "mkfs done in " << basedir << dendl; | |
1024 | ret = 0; | |
1025 | ||
1026 | close_omap_fsid_fd: | |
1027 | VOID_TEMP_FAILURE_RETRY(::close(omap_fsid_fd)); | |
1028 | close_fsid_fd: | |
1029 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1030 | fsid_fd = -1; | |
1031 | close_basedir_fd: | |
1032 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
1033 | delete backend; | |
1034 | backend = NULL; | |
1035 | return ret; | |
1036 | } | |
1037 | ||
1038 | int FileStore::mkjournal() | |
1039 | { | |
1040 | // read fsid | |
1041 | int ret; | |
1042 | char fn[PATH_MAX]; | |
1043 | snprintf(fn, sizeof(fn), "%s/fsid", basedir.c_str()); | |
1044 | int fd = ::open(fn, O_RDONLY, 0644); | |
1045 | if (fd < 0) { | |
1046 | int err = errno; | |
31f18b77 | 1047 | derr << __FUNC__ << ": open error: " << cpp_strerror(err) << dendl; |
7c673cae FG |
1048 | return -err; |
1049 | } | |
1050 | ret = read_fsid(fd, &fsid); | |
1051 | if (ret < 0) { | |
31f18b77 | 1052 | derr << __FUNC__ << ": read error: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1053 | VOID_TEMP_FAILURE_RETRY(::close(fd)); |
1054 | return ret; | |
1055 | } | |
1056 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1057 | ||
1058 | ret = 0; | |
1059 | ||
1060 | new_journal(); | |
1061 | if (journal) { | |
1062 | ret = journal->check(); | |
1063 | if (ret < 0) { | |
1064 | ret = journal->create(); | |
1065 | if (ret) | |
31f18b77 | 1066 | derr << __FUNC__ << ": error creating journal on " << journalpath |
7c673cae FG |
1067 | << ": " << cpp_strerror(ret) << dendl; |
1068 | else | |
31f18b77 | 1069 | dout(0) << __FUNC__ << ": created journal on " << journalpath << dendl; |
7c673cae FG |
1070 | } |
1071 | delete journal; | |
1072 | journal = 0; | |
1073 | } | |
1074 | return ret; | |
1075 | } | |
1076 | ||
1077 | int FileStore::read_fsid(int fd, uuid_d *uuid) | |
1078 | { | |
1079 | char fsid_str[40]; | |
1080 | memset(fsid_str, 0, sizeof(fsid_str)); | |
1081 | int ret = safe_read(fd, fsid_str, sizeof(fsid_str)); | |
1082 | if (ret < 0) | |
1083 | return ret; | |
1084 | if (ret == 8) { | |
1085 | // old 64-bit fsid... mirror it. | |
1086 | *(uint64_t*)&uuid->bytes()[0] = *(uint64_t*)fsid_str; | |
1087 | *(uint64_t*)&uuid->bytes()[8] = *(uint64_t*)fsid_str; | |
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | if (ret > 36) | |
1092 | fsid_str[36] = 0; | |
1093 | else | |
1094 | fsid_str[ret] = 0; | |
1095 | if (!uuid->parse(fsid_str)) | |
1096 | return -EINVAL; | |
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | int FileStore::lock_fsid() | |
1101 | { | |
1102 | struct flock l; | |
1103 | memset(&l, 0, sizeof(l)); | |
1104 | l.l_type = F_WRLCK; | |
1105 | l.l_whence = SEEK_SET; | |
1106 | l.l_start = 0; | |
1107 | l.l_len = 0; | |
1108 | int r = ::fcntl(fsid_fd, F_SETLK, &l); | |
1109 | if (r < 0) { | |
1110 | int err = errno; | |
31f18b77 | 1111 | dout(0) << __FUNC__ << ": failed to lock " << basedir << "/fsid, is another ceph-osd still running? " |
7c673cae FG |
1112 | << cpp_strerror(err) << dendl; |
1113 | return -err; | |
1114 | } | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | bool FileStore::test_mount_in_use() | |
1119 | { | |
31f18b77 | 1120 | dout(5) << __FUNC__ << ": basedir " << basedir << " journal " << journalpath << dendl; |
7c673cae FG |
1121 | char fn[PATH_MAX]; |
1122 | snprintf(fn, sizeof(fn), "%s/fsid", basedir.c_str()); | |
1123 | ||
1124 | // verify fs isn't in use | |
1125 | ||
1126 | fsid_fd = ::open(fn, O_RDWR, 0644); | |
1127 | if (fsid_fd < 0) | |
1128 | return 0; // no fsid, ok. | |
1129 | bool inuse = lock_fsid() < 0; | |
1130 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1131 | fsid_fd = -1; | |
1132 | return inuse; | |
1133 | } | |
1134 | ||
31f18b77 FG |
1135 | bool FileStore::is_rotational() |
1136 | { | |
1137 | bool rotational; | |
1138 | if (backend) { | |
1139 | rotational = backend->is_rotational(); | |
1140 | } else { | |
1141 | int fd = ::open(basedir.c_str(), O_RDONLY); | |
1142 | if (fd < 0) | |
1143 | return true; | |
1144 | struct statfs st; | |
1145 | int r = ::fstatfs(fd, &st); | |
1146 | ::close(fd); | |
1147 | if (r < 0) { | |
1148 | return true; | |
1149 | } | |
1150 | create_backend(st.f_type); | |
1151 | rotational = backend->is_rotational(); | |
1152 | delete backend; | |
1153 | backend = NULL; | |
1154 | } | |
1155 | dout(10) << __func__ << " " << (int)rotational << dendl; | |
1156 | return rotational; | |
1157 | } | |
1158 | ||
d2e6a577 FG |
1159 | bool FileStore::is_journal_rotational() |
1160 | { | |
1161 | bool journal_rotational; | |
1162 | if (backend) { | |
1163 | journal_rotational = backend->is_journal_rotational(); | |
1164 | } else { | |
1165 | int fd = ::open(journalpath.c_str(), O_RDONLY); | |
1166 | if (fd < 0) | |
1167 | return true; | |
1168 | struct statfs st; | |
1169 | int r = ::fstatfs(fd, &st); | |
1170 | ::close(fd); | |
1171 | if (r < 0) { | |
1172 | return true; | |
1173 | } | |
1174 | create_backend(st.f_type); | |
1175 | journal_rotational = backend->is_journal_rotational(); | |
1176 | delete backend; | |
1177 | backend = NULL; | |
1178 | } | |
1179 | dout(10) << __func__ << " " << (int)journal_rotational << dendl; | |
1180 | return journal_rotational; | |
1181 | } | |
1182 | ||
7c673cae FG |
1183 | int FileStore::_detect_fs() |
1184 | { | |
1185 | struct statfs st; | |
1186 | int r = ::fstatfs(basedir_fd, &st); | |
1187 | if (r < 0) | |
1188 | return -errno; | |
1189 | ||
1190 | blk_size = st.f_bsize; | |
1191 | ||
224ce89b WB |
1192 | #if defined(__linux__) |
1193 | if (st.f_type == BTRFS_SUPER_MAGIC && | |
1194 | !g_ceph_context->check_experimental_feature_enabled("btrfs")) { | |
1195 | derr <<__FUNC__ << ": deprecated btrfs support is not enabled" << dendl; | |
1196 | return -EPERM; | |
1197 | } | |
1198 | #endif | |
1199 | ||
7c673cae FG |
1200 | create_backend(st.f_type); |
1201 | ||
1202 | r = backend->detect_features(); | |
1203 | if (r < 0) { | |
31f18b77 | 1204 | derr << __FUNC__ << ": detect_features error: " << cpp_strerror(r) << dendl; |
7c673cae FG |
1205 | return r; |
1206 | } | |
1207 | ||
1208 | // test xattrs | |
1209 | char fn[PATH_MAX]; | |
1210 | int x = rand(); | |
1211 | int y = x+1; | |
1212 | snprintf(fn, sizeof(fn), "%s/xattr_test", basedir.c_str()); | |
1213 | int tmpfd = ::open(fn, O_CREAT|O_WRONLY|O_TRUNC, 0700); | |
1214 | if (tmpfd < 0) { | |
1215 | int ret = -errno; | |
31f18b77 | 1216 | derr << __FUNC__ << ": unable to create " << fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1217 | return ret; |
1218 | } | |
1219 | ||
1220 | int ret = chain_fsetxattr(tmpfd, "user.test", &x, sizeof(x)); | |
1221 | if (ret >= 0) | |
1222 | ret = chain_fgetxattr(tmpfd, "user.test", &y, sizeof(y)); | |
1223 | if ((ret < 0) || (x != y)) { | |
1224 | derr << "Extended attributes don't appear to work. "; | |
1225 | if (ret) | |
1226 | *_dout << "Got error " + cpp_strerror(ret) + ". "; | |
1227 | *_dout << "If you are using ext3 or ext4, be sure to mount the underlying " | |
1228 | << "file system with the 'user_xattr' option." << dendl; | |
1229 | ::unlink(fn); | |
1230 | VOID_TEMP_FAILURE_RETRY(::close(tmpfd)); | |
1231 | return -ENOTSUP; | |
1232 | } | |
1233 | ||
1234 | char buf[1000]; | |
1235 | memset(buf, 0, sizeof(buf)); // shut up valgrind | |
1236 | chain_fsetxattr(tmpfd, "user.test", &buf, sizeof(buf)); | |
1237 | chain_fsetxattr(tmpfd, "user.test2", &buf, sizeof(buf)); | |
1238 | chain_fsetxattr(tmpfd, "user.test3", &buf, sizeof(buf)); | |
1239 | chain_fsetxattr(tmpfd, "user.test4", &buf, sizeof(buf)); | |
1240 | ret = chain_fsetxattr(tmpfd, "user.test5", &buf, sizeof(buf)); | |
1241 | if (ret == -ENOSPC) { | |
1242 | dout(0) << "limited size xattrs" << dendl; | |
1243 | } | |
1244 | chain_fremovexattr(tmpfd, "user.test"); | |
1245 | chain_fremovexattr(tmpfd, "user.test2"); | |
1246 | chain_fremovexattr(tmpfd, "user.test3"); | |
1247 | chain_fremovexattr(tmpfd, "user.test4"); | |
1248 | chain_fremovexattr(tmpfd, "user.test5"); | |
1249 | ||
1250 | ::unlink(fn); | |
1251 | VOID_TEMP_FAILURE_RETRY(::close(tmpfd)); | |
1252 | ||
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | int FileStore::_sanity_check_fs() | |
1257 | { | |
1258 | // sanity check(s) | |
1259 | ||
1260 | if (((int)m_filestore_journal_writeahead + | |
1261 | (int)m_filestore_journal_parallel + | |
1262 | (int)m_filestore_journal_trailing) > 1) { | |
1263 | dout(0) << "mount ERROR: more than one of filestore journal {writeahead,parallel,trailing} enabled" << dendl; | |
1264 | cerr << TEXT_RED | |
1265 | << " ** WARNING: more than one of 'filestore journal {writeahead,parallel,trailing}'\n" | |
1266 | << " is enabled in ceph.conf. You must choose a single journal mode." | |
1267 | << TEXT_NORMAL << std::endl; | |
1268 | return -EINVAL; | |
1269 | } | |
1270 | ||
1271 | if (!backend->can_checkpoint()) { | |
1272 | if (!journal || !m_filestore_journal_writeahead) { | |
1273 | dout(0) << "mount WARNING: no btrfs, and no journal in writeahead mode; data may be lost" << dendl; | |
1274 | cerr << TEXT_RED | |
1275 | << " ** WARNING: no btrfs AND (no journal OR journal not in writeahead mode)\n" | |
1276 | << " For non-btrfs volumes, a writeahead journal is required to\n" | |
1277 | << " maintain on-disk consistency in the event of a crash. Your conf\n" | |
1278 | << " should include something like:\n" | |
1279 | << " osd journal = /path/to/journal_device_or_file\n" | |
1280 | << " filestore journal writeahead = true\n" | |
1281 | << TEXT_NORMAL; | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | if (!journal) { | |
1286 | dout(0) << "mount WARNING: no journal" << dendl; | |
1287 | cerr << TEXT_YELLOW | |
1288 | << " ** WARNING: No osd journal is configured: write latency may be high.\n" | |
1289 | << " If you will not be using an osd journal, write latency may be\n" | |
1290 | << " relatively high. It can be reduced somewhat by lowering\n" | |
1291 | << " filestore_max_sync_interval, but lower values mean lower write\n" | |
1292 | << " throughput, especially with spinning disks.\n" | |
1293 | << TEXT_NORMAL; | |
1294 | } | |
1295 | ||
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | int FileStore::write_superblock() | |
1300 | { | |
1301 | bufferlist bl; | |
1302 | ::encode(superblock, bl); | |
1303 | return safe_write_file(basedir.c_str(), "superblock", | |
1304 | bl.c_str(), bl.length()); | |
1305 | } | |
1306 | ||
1307 | int FileStore::read_superblock() | |
1308 | { | |
1309 | bufferptr bp(PATH_MAX); | |
1310 | int ret = safe_read_file(basedir.c_str(), "superblock", | |
1311 | bp.c_str(), bp.length()); | |
1312 | if (ret < 0) { | |
1313 | if (ret == -ENOENT) { | |
1314 | // If the file doesn't exist write initial CompatSet | |
1315 | return write_superblock(); | |
1316 | } | |
1317 | return ret; | |
1318 | } | |
1319 | ||
1320 | bufferlist bl; | |
1321 | bl.push_back(std::move(bp)); | |
1322 | bufferlist::iterator i = bl.begin(); | |
1323 | ::decode(superblock, i); | |
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | int FileStore::update_version_stamp() | |
1328 | { | |
1329 | return write_version_stamp(); | |
1330 | } | |
1331 | ||
1332 | int FileStore::version_stamp_is_valid(uint32_t *version) | |
1333 | { | |
1334 | bufferptr bp(PATH_MAX); | |
1335 | int ret = safe_read_file(basedir.c_str(), "store_version", | |
1336 | bp.c_str(), bp.length()); | |
1337 | if (ret < 0) { | |
1338 | return ret; | |
1339 | } | |
1340 | bufferlist bl; | |
1341 | bl.push_back(std::move(bp)); | |
1342 | bufferlist::iterator i = bl.begin(); | |
1343 | ::decode(*version, i); | |
31f18b77 | 1344 | dout(10) << __FUNC__ << ": was " << *version << " vs target " |
7c673cae FG |
1345 | << target_version << dendl; |
1346 | if (*version == target_version) | |
1347 | return 1; | |
1348 | else | |
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | int FileStore::write_version_stamp() | |
1353 | { | |
31f18b77 | 1354 | dout(1) << __FUNC__ << ": " << target_version << dendl; |
7c673cae FG |
1355 | bufferlist bl; |
1356 | ::encode(target_version, bl); | |
1357 | ||
1358 | return safe_write_file(basedir.c_str(), "store_version", | |
1359 | bl.c_str(), bl.length()); | |
1360 | } | |
1361 | ||
1362 | int FileStore::upgrade() | |
1363 | { | |
31f18b77 | 1364 | dout(1) << __FUNC__ << dendl; |
7c673cae FG |
1365 | uint32_t version; |
1366 | int r = version_stamp_is_valid(&version); | |
1367 | ||
1368 | if (r == -ENOENT) { | |
1369 | derr << "The store_version file doesn't exist." << dendl; | |
1370 | return -EINVAL; | |
1371 | } | |
1372 | if (r < 0) | |
1373 | return r; | |
1374 | if (r == 1) | |
1375 | return 0; | |
1376 | ||
1377 | if (version < 3) { | |
1378 | derr << "ObjectStore is old at version " << version << ". Please upgrade to firefly v0.80.x, convert your store, and then upgrade." << dendl; | |
1379 | return -EINVAL; | |
1380 | } | |
1381 | ||
1382 | // nothing necessary in FileStore for v3 -> v4 upgrade; we just need to | |
1383 | // open up DBObjectMap with the do_upgrade flag, which we already did. | |
1384 | update_version_stamp(); | |
1385 | return 0; | |
1386 | } | |
1387 | ||
1388 | int FileStore::read_op_seq(uint64_t *seq) | |
1389 | { | |
1390 | int op_fd = ::open(current_op_seq_fn.c_str(), O_CREAT|O_RDWR, 0644); | |
1391 | if (op_fd < 0) { | |
1392 | int r = -errno; | |
1393 | assert(!m_filestore_fail_eio || r != -EIO); | |
1394 | return r; | |
1395 | } | |
1396 | char s[40]; | |
1397 | memset(s, 0, sizeof(s)); | |
1398 | int ret = safe_read(op_fd, s, sizeof(s) - 1); | |
1399 | if (ret < 0) { | |
31f18b77 | 1400 | derr << __FUNC__ << ": error reading " << current_op_seq_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1401 | VOID_TEMP_FAILURE_RETRY(::close(op_fd)); |
1402 | assert(!m_filestore_fail_eio || ret != -EIO); | |
1403 | return ret; | |
1404 | } | |
1405 | *seq = atoll(s); | |
1406 | return op_fd; | |
1407 | } | |
1408 | ||
1409 | int FileStore::write_op_seq(int fd, uint64_t seq) | |
1410 | { | |
1411 | char s[30]; | |
1412 | snprintf(s, sizeof(s), "%" PRId64 "\n", seq); | |
1413 | int ret = TEMP_FAILURE_RETRY(::pwrite(fd, s, strlen(s), 0)); | |
1414 | if (ret < 0) { | |
1415 | ret = -errno; | |
1416 | assert(!m_filestore_fail_eio || ret != -EIO); | |
1417 | } | |
1418 | return ret; | |
1419 | } | |
1420 | ||
1421 | int FileStore::mount() | |
1422 | { | |
1423 | int ret; | |
1424 | char buf[PATH_MAX]; | |
1425 | uint64_t initial_op_seq; | |
1426 | uuid_d omap_fsid; | |
1427 | set<string> cluster_snaps; | |
1428 | CompatSet supported_compat_set = get_fs_supported_compat_set(); | |
1429 | ||
1430 | dout(5) << "basedir " << basedir << " journal " << journalpath << dendl; | |
1431 | ||
1432 | ret = set_throttle_params(); | |
1433 | if (ret != 0) | |
1434 | goto done; | |
1435 | ||
1436 | // make sure global base dir exists | |
1437 | if (::access(basedir.c_str(), R_OK | W_OK)) { | |
1438 | ret = -errno; | |
31f18b77 | 1439 | derr << __FUNC__ << ": unable to access basedir '" << basedir << "': " |
7c673cae FG |
1440 | << cpp_strerror(ret) << dendl; |
1441 | goto done; | |
1442 | } | |
1443 | ||
1444 | // get fsid | |
1445 | snprintf(buf, sizeof(buf), "%s/fsid", basedir.c_str()); | |
1446 | fsid_fd = ::open(buf, O_RDWR, 0644); | |
1447 | if (fsid_fd < 0) { | |
1448 | ret = -errno; | |
31f18b77 | 1449 | derr << __FUNC__ << ": error opening '" << buf << "': " |
7c673cae FG |
1450 | << cpp_strerror(ret) << dendl; |
1451 | goto done; | |
1452 | } | |
1453 | ||
1454 | ret = read_fsid(fsid_fd, &fsid); | |
1455 | if (ret < 0) { | |
31f18b77 | 1456 | derr << __FUNC__ << ": error reading fsid_fd: " << cpp_strerror(ret) |
7c673cae FG |
1457 | << dendl; |
1458 | goto close_fsid_fd; | |
1459 | } | |
1460 | ||
1461 | if (lock_fsid() < 0) { | |
31f18b77 | 1462 | derr << __FUNC__ << ": lock_fsid failed" << dendl; |
7c673cae FG |
1463 | ret = -EBUSY; |
1464 | goto close_fsid_fd; | |
1465 | } | |
1466 | ||
1467 | dout(10) << "mount fsid is " << fsid << dendl; | |
1468 | ||
1469 | ||
1470 | uint32_t version_stamp; | |
1471 | ret = version_stamp_is_valid(&version_stamp); | |
1472 | if (ret < 0) { | |
31f18b77 | 1473 | derr << __FUNC__ << ": error in version_stamp_is_valid: " |
7c673cae FG |
1474 | << cpp_strerror(ret) << dendl; |
1475 | goto close_fsid_fd; | |
1476 | } else if (ret == 0) { | |
1477 | if (do_update || (int)version_stamp < cct->_conf->filestore_update_to) { | |
31f18b77 | 1478 | derr << __FUNC__ << ": stale version stamp detected: " |
7c673cae FG |
1479 | << version_stamp |
1480 | << ". Proceeding, do_update " | |
1481 | << "is set, performing disk format upgrade." | |
1482 | << dendl; | |
1483 | do_update = true; | |
1484 | } else { | |
1485 | ret = -EINVAL; | |
31f18b77 | 1486 | derr << __FUNC__ << ": stale version stamp " << version_stamp |
7c673cae FG |
1487 | << ". Please run the FileStore update script before starting the " |
1488 | << "OSD, or set filestore_update_to to " << target_version | |
1489 | << " (currently " << cct->_conf->filestore_update_to << ")" | |
1490 | << dendl; | |
1491 | goto close_fsid_fd; | |
1492 | } | |
1493 | } | |
1494 | ||
1495 | ret = read_superblock(); | |
1496 | if (ret < 0) { | |
1497 | goto close_fsid_fd; | |
1498 | } | |
1499 | ||
1500 | // Check if this FileStore supports all the necessary features to mount | |
1501 | if (supported_compat_set.compare(superblock.compat_features) == -1) { | |
31f18b77 | 1502 | derr << __FUNC__ << ": Incompatible features set " |
7c673cae FG |
1503 | << superblock.compat_features << dendl; |
1504 | ret = -EINVAL; | |
1505 | goto close_fsid_fd; | |
1506 | } | |
1507 | ||
1508 | // open some dir handles | |
1509 | basedir_fd = ::open(basedir.c_str(), O_RDONLY); | |
1510 | if (basedir_fd < 0) { | |
1511 | ret = -errno; | |
31f18b77 | 1512 | derr << __FUNC__ << ": failed to open " << basedir << ": " |
7c673cae FG |
1513 | << cpp_strerror(ret) << dendl; |
1514 | basedir_fd = -1; | |
1515 | goto close_fsid_fd; | |
1516 | } | |
1517 | ||
1518 | // test for btrfs, xattrs, etc. | |
1519 | ret = _detect_fs(); | |
1520 | if (ret < 0) { | |
31f18b77 | 1521 | derr << __FUNC__ << ": error in _detect_fs: " |
7c673cae FG |
1522 | << cpp_strerror(ret) << dendl; |
1523 | goto close_basedir_fd; | |
1524 | } | |
1525 | ||
1526 | { | |
1527 | list<string> ls; | |
1528 | ret = backend->list_checkpoints(ls); | |
1529 | if (ret < 0) { | |
31f18b77 | 1530 | derr << __FUNC__ << ": error in _list_snaps: "<< cpp_strerror(ret) << dendl; |
7c673cae FG |
1531 | goto close_basedir_fd; |
1532 | } | |
1533 | ||
1534 | long long unsigned c, prev = 0; | |
1535 | char clustersnap[NAME_MAX]; | |
1536 | for (list<string>::iterator it = ls.begin(); it != ls.end(); ++it) { | |
1537 | if (sscanf(it->c_str(), COMMIT_SNAP_ITEM, &c) == 1) { | |
1538 | assert(c > prev); | |
1539 | prev = c; | |
1540 | snaps.push_back(c); | |
1541 | } else if (sscanf(it->c_str(), CLUSTER_SNAP_ITEM, clustersnap) == 1) | |
1542 | cluster_snaps.insert(*it); | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | if (m_osd_rollback_to_cluster_snap.length() && | |
1547 | cluster_snaps.count(m_osd_rollback_to_cluster_snap) == 0) { | |
1548 | derr << "rollback to cluster snapshot '" << m_osd_rollback_to_cluster_snap << "': not found" << dendl; | |
1549 | ret = -ENOENT; | |
1550 | goto close_basedir_fd; | |
1551 | } | |
1552 | ||
1553 | char nosnapfn[200]; | |
1554 | snprintf(nosnapfn, sizeof(nosnapfn), "%s/nosnap", current_fn.c_str()); | |
1555 | ||
1556 | if (backend->can_checkpoint()) { | |
1557 | if (snaps.empty()) { | |
31f18b77 | 1558 | dout(0) << __FUNC__ << ": WARNING: no consistent snaps found, store may be in inconsistent state" << dendl; |
7c673cae FG |
1559 | } else { |
1560 | char s[NAME_MAX]; | |
1561 | uint64_t curr_seq = 0; | |
1562 | ||
1563 | if (m_osd_rollback_to_cluster_snap.length()) { | |
1564 | derr << TEXT_RED | |
1565 | << " ** NOTE: rolling back to cluster snapshot " << m_osd_rollback_to_cluster_snap << " **" | |
1566 | << TEXT_NORMAL | |
1567 | << dendl; | |
1568 | assert(cluster_snaps.count(m_osd_rollback_to_cluster_snap)); | |
1569 | snprintf(s, sizeof(s), CLUSTER_SNAP_ITEM, m_osd_rollback_to_cluster_snap.c_str()); | |
1570 | } else { | |
1571 | { | |
1572 | int fd = read_op_seq(&curr_seq); | |
1573 | if (fd >= 0) { | |
1574 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1575 | } | |
1576 | } | |
1577 | if (curr_seq) | |
1578 | dout(10) << " current/ seq was " << curr_seq << dendl; | |
1579 | else | |
1580 | dout(10) << " current/ missing entirely (unusual, but okay)" << dendl; | |
1581 | ||
1582 | uint64_t cp = snaps.back(); | |
1583 | dout(10) << " most recent snap from " << snaps << " is " << cp << dendl; | |
1584 | ||
1585 | // if current/ is marked as non-snapshotted, refuse to roll | |
1586 | // back (without clear direction) to avoid throwing out new | |
1587 | // data. | |
1588 | struct stat st; | |
1589 | if (::stat(nosnapfn, &st) == 0) { | |
1590 | if (!m_osd_use_stale_snap) { | |
1591 | derr << "ERROR: " << nosnapfn << " exists, not rolling back to avoid losing new data" << dendl; | |
1592 | derr << "Force rollback to old snapshotted version with 'osd use stale snap = true'" << dendl; | |
1593 | derr << "config option for --osd-use-stale-snap startup argument." << dendl; | |
1594 | ret = -ENOTSUP; | |
1595 | goto close_basedir_fd; | |
1596 | } | |
1597 | derr << "WARNING: user forced start with data sequence mismatch: current was " << curr_seq | |
1598 | << ", newest snap is " << cp << dendl; | |
1599 | cerr << TEXT_YELLOW | |
1600 | << " ** WARNING: forcing the use of stale snapshot data **" | |
1601 | << TEXT_NORMAL << std::endl; | |
1602 | } | |
1603 | ||
31f18b77 | 1604 | dout(10) << __FUNC__ << ": rolling back to consistent snap " << cp << dendl; |
7c673cae FG |
1605 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)cp); |
1606 | } | |
1607 | ||
1608 | // drop current? | |
1609 | ret = backend->rollback_to(s); | |
1610 | if (ret) { | |
31f18b77 | 1611 | derr << __FUNC__ << ": error rolling back to " << s << ": " |
7c673cae FG |
1612 | << cpp_strerror(ret) << dendl; |
1613 | goto close_basedir_fd; | |
1614 | } | |
1615 | } | |
1616 | } | |
1617 | initial_op_seq = 0; | |
1618 | ||
1619 | current_fd = ::open(current_fn.c_str(), O_RDONLY); | |
1620 | if (current_fd < 0) { | |
1621 | ret = -errno; | |
31f18b77 | 1622 | derr << __FUNC__ << ": error opening: " << current_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1623 | goto close_basedir_fd; |
1624 | } | |
1625 | ||
1626 | assert(current_fd >= 0); | |
1627 | ||
1628 | op_fd = read_op_seq(&initial_op_seq); | |
1629 | if (op_fd < 0) { | |
1630 | ret = op_fd; | |
31f18b77 | 1631 | derr << __FUNC__ << ": read_op_seq failed" << dendl; |
7c673cae FG |
1632 | goto close_current_fd; |
1633 | } | |
1634 | ||
1635 | dout(5) << "mount op_seq is " << initial_op_seq << dendl; | |
1636 | if (initial_op_seq == 0) { | |
1637 | derr << "mount initial op seq is 0; something is wrong" << dendl; | |
1638 | ret = -EINVAL; | |
1639 | goto close_current_fd; | |
1640 | } | |
1641 | ||
1642 | if (!backend->can_checkpoint()) { | |
1643 | // mark current/ as non-snapshotted so that we don't rollback away | |
1644 | // from it. | |
1645 | int r = ::creat(nosnapfn, 0644); | |
1646 | if (r < 0) { | |
1647 | ret = -errno; | |
31f18b77 | 1648 | derr << __FUNC__ << ": failed to create current/nosnap" << dendl; |
7c673cae FG |
1649 | goto close_current_fd; |
1650 | } | |
1651 | VOID_TEMP_FAILURE_RETRY(::close(r)); | |
1652 | } else { | |
1653 | // clear nosnap marker, if present. | |
1654 | ::unlink(nosnapfn); | |
1655 | } | |
1656 | ||
1657 | // check fsid with omap | |
1658 | // get omap fsid | |
1659 | int omap_fsid_fd; | |
1660 | char omap_fsid_buf[PATH_MAX]; | |
1661 | struct ::stat omap_fsid_stat; | |
1662 | snprintf(omap_fsid_buf, sizeof(omap_fsid_buf), "%s/osd_uuid", omap_dir.c_str()); | |
1663 | // if osd_uuid not exists, assume as this omap matchs corresponding osd | |
1664 | if (::stat(omap_fsid_buf, &omap_fsid_stat) != 0){ | |
31f18b77 | 1665 | dout(10) << __FUNC__ << ": osd_uuid not found under omap, " |
7c673cae FG |
1666 | << "assume as matched." |
1667 | << dendl; | |
1668 | }else{ | |
1669 | // if osd_uuid exists, compares osd_uuid with fsid | |
1670 | omap_fsid_fd = ::open(omap_fsid_buf, O_RDONLY, 0644); | |
1671 | if (omap_fsid_fd < 0) { | |
1672 | ret = -errno; | |
31f18b77 | 1673 | derr << __FUNC__ << ": error opening '" << omap_fsid_buf << "': " |
7c673cae FG |
1674 | << cpp_strerror(ret) |
1675 | << dendl; | |
1676 | goto close_current_fd; | |
1677 | } | |
1678 | ret = read_fsid(omap_fsid_fd, &omap_fsid); | |
1679 | VOID_TEMP_FAILURE_RETRY(::close(omap_fsid_fd)); | |
1680 | omap_fsid_fd = -1; // defensive | |
1681 | if (ret < 0) { | |
31f18b77 | 1682 | derr << __FUNC__ << ": error reading omap_fsid_fd" |
7c673cae FG |
1683 | << ", omap_fsid = " << omap_fsid |
1684 | << cpp_strerror(ret) | |
1685 | << dendl; | |
1686 | goto close_current_fd; | |
1687 | } | |
1688 | if (fsid != omap_fsid) { | |
31f18b77 | 1689 | derr << __FUNC__ << ": " << omap_fsid_buf |
7c673cae FG |
1690 | << " has existed omap fsid " << omap_fsid |
1691 | << " != expected osd fsid " << fsid | |
1692 | << dendl; | |
1693 | ret = -EINVAL; | |
1694 | goto close_current_fd; | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | dout(0) << "start omap initiation" << dendl; | |
1699 | if (!(generic_flags & SKIP_MOUNT_OMAP)) { | |
1700 | KeyValueDB * omap_store = KeyValueDB::create(cct, | |
1701 | superblock.omap_backend, | |
1702 | omap_dir); | |
1703 | if (omap_store == NULL) | |
1704 | { | |
31f18b77 | 1705 | derr << __FUNC__ << ": Error creating " << superblock.omap_backend << dendl; |
7c673cae FG |
1706 | ret = -1; |
1707 | goto close_current_fd; | |
1708 | } | |
1709 | ||
1710 | if (superblock.omap_backend == "rocksdb") | |
1711 | ret = omap_store->init(cct->_conf->filestore_rocksdb_options); | |
1712 | else | |
1713 | ret = omap_store->init(); | |
1714 | ||
1715 | if (ret < 0) { | |
31f18b77 | 1716 | derr << __FUNC__ << ": Error initializing omap_store: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1717 | goto close_current_fd; |
1718 | } | |
1719 | ||
1720 | stringstream err; | |
1721 | if (omap_store->create_and_open(err)) { | |
1722 | delete omap_store; | |
31f18b77 | 1723 | derr << __FUNC__ << ": Error initializing " << superblock.omap_backend |
7c673cae FG |
1724 | << " : " << err.str() << dendl; |
1725 | ret = -1; | |
1726 | goto close_current_fd; | |
1727 | } | |
1728 | ||
1729 | DBObjectMap *dbomap = new DBObjectMap(cct, omap_store); | |
1730 | ret = dbomap->init(do_update); | |
1731 | if (ret < 0) { | |
1732 | delete dbomap; | |
31f18b77 | 1733 | derr << __FUNC__ << ": Error initializing DBObjectMap: " << ret << dendl; |
7c673cae FG |
1734 | goto close_current_fd; |
1735 | } | |
1736 | stringstream err2; | |
1737 | ||
1738 | if (cct->_conf->filestore_debug_omap_check && !dbomap->check(err2)) { | |
1739 | derr << err2.str() << dendl; | |
1740 | delete dbomap; | |
1741 | ret = -EINVAL; | |
1742 | goto close_current_fd; | |
1743 | } | |
1744 | object_map.reset(dbomap); | |
1745 | } | |
1746 | ||
1747 | // journal | |
1748 | new_journal(); | |
1749 | ||
1750 | // select journal mode? | |
1751 | if (journal) { | |
1752 | if (!m_filestore_journal_writeahead && | |
1753 | !m_filestore_journal_parallel && | |
1754 | !m_filestore_journal_trailing) { | |
1755 | if (!backend->can_checkpoint()) { | |
1756 | m_filestore_journal_writeahead = true; | |
31f18b77 | 1757 | dout(0) << __FUNC__ << ": enabling WRITEAHEAD journal mode: checkpoint is not enabled" << dendl; |
7c673cae FG |
1758 | } else { |
1759 | m_filestore_journal_parallel = true; | |
31f18b77 | 1760 | dout(0) << __FUNC__ << ": enabling PARALLEL journal mode: fs, checkpoint is enabled" << dendl; |
7c673cae FG |
1761 | } |
1762 | } else { | |
1763 | if (m_filestore_journal_writeahead) | |
31f18b77 | 1764 | dout(0) << __FUNC__ << ": WRITEAHEAD journal mode explicitly enabled in conf" << dendl; |
7c673cae | 1765 | if (m_filestore_journal_parallel) |
31f18b77 | 1766 | dout(0) << __FUNC__ << ": PARALLEL journal mode explicitly enabled in conf" << dendl; |
7c673cae | 1767 | if (m_filestore_journal_trailing) |
31f18b77 | 1768 | dout(0) << __FUNC__ << ": TRAILING journal mode explicitly enabled in conf" << dendl; |
7c673cae FG |
1769 | } |
1770 | if (m_filestore_journal_writeahead) | |
1771 | journal->set_wait_on_full(true); | |
1772 | } else { | |
31f18b77 | 1773 | dout(0) << __FUNC__ << ": no journal" << dendl; |
7c673cae FG |
1774 | } |
1775 | ||
1776 | ret = _sanity_check_fs(); | |
1777 | if (ret) { | |
31f18b77 | 1778 | derr << __FUNC__ << ": _sanity_check_fs failed with error " |
7c673cae FG |
1779 | << ret << dendl; |
1780 | goto close_current_fd; | |
1781 | } | |
1782 | ||
1783 | // Cleanup possibly invalid collections | |
1784 | { | |
1785 | vector<coll_t> collections; | |
1786 | ret = list_collections(collections, true); | |
1787 | if (ret < 0) { | |
1788 | derr << "Error " << ret << " while listing collections" << dendl; | |
1789 | goto close_current_fd; | |
1790 | } | |
1791 | for (vector<coll_t>::iterator i = collections.begin(); | |
1792 | i != collections.end(); | |
1793 | ++i) { | |
1794 | Index index; | |
1795 | ret = get_index(*i, &index); | |
1796 | if (ret < 0) { | |
1797 | derr << "Unable to mount index " << *i | |
1798 | << " with error: " << ret << dendl; | |
1799 | goto close_current_fd; | |
1800 | } | |
1801 | assert(NULL != index.index); | |
1802 | RWLock::WLocker l((index.index)->access_lock); | |
1803 | ||
1804 | index->cleanup(); | |
1805 | } | |
1806 | } | |
1807 | if (!m_disable_wbthrottle) { | |
1808 | wbthrottle.start(); | |
1809 | } else { | |
31f18b77 | 1810 | dout(0) << __FUNC__ << ": INFO: WbThrottle is disabled" << dendl; |
7c673cae | 1811 | if (cct->_conf->filestore_odsync_write) { |
31f18b77 | 1812 | dout(0) << __FUNC__ << ": INFO: O_DSYNC write is enabled" << dendl; |
7c673cae FG |
1813 | } |
1814 | } | |
1815 | sync_thread.create("filestore_sync"); | |
1816 | ||
1817 | if (!(generic_flags & SKIP_JOURNAL_REPLAY)) { | |
1818 | ret = journal_replay(initial_op_seq); | |
1819 | if (ret < 0) { | |
31f18b77 | 1820 | derr << __FUNC__ << ": failed to open journal " << journalpath << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1821 | if (ret == -ENOTTY) { |
1822 | derr << "maybe journal is not pointing to a block device and its size " | |
1823 | << "wasn't configured?" << dendl; | |
1824 | } | |
1825 | ||
1826 | goto stop_sync; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | { | |
1831 | stringstream err2; | |
1832 | if (cct->_conf->filestore_debug_omap_check && !object_map->check(err2)) { | |
1833 | derr << err2.str() << dendl; | |
1834 | ret = -EINVAL; | |
1835 | goto stop_sync; | |
1836 | } | |
1837 | } | |
1838 | ||
1839 | init_temp_collections(); | |
1840 | ||
1841 | journal_start(); | |
1842 | ||
1843 | op_tp.start(); | |
1844 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
1845 | (*it)->start(); | |
1846 | } | |
1847 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
1848 | (*it)->start(); | |
1849 | } | |
1850 | ||
1851 | timer.init(); | |
1852 | ||
1853 | // upgrade? | |
1854 | if (cct->_conf->filestore_update_to >= (int)get_target_version()) { | |
1855 | int err = upgrade(); | |
1856 | if (err < 0) { | |
1857 | derr << "error converting store" << dendl; | |
1858 | umount(); | |
1859 | return err; | |
1860 | } | |
1861 | } | |
1862 | ||
1863 | // all okay. | |
1864 | return 0; | |
1865 | ||
1866 | stop_sync: | |
1867 | // stop sync thread | |
1868 | lock.Lock(); | |
1869 | stop = true; | |
1870 | sync_cond.Signal(); | |
1871 | lock.Unlock(); | |
1872 | sync_thread.join(); | |
1873 | if (!m_disable_wbthrottle) { | |
1874 | wbthrottle.stop(); | |
1875 | } | |
1876 | close_current_fd: | |
1877 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
1878 | current_fd = -1; | |
1879 | close_basedir_fd: | |
1880 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
1881 | basedir_fd = -1; | |
1882 | close_fsid_fd: | |
1883 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1884 | fsid_fd = -1; | |
1885 | done: | |
1886 | assert(!m_filestore_fail_eio || ret != -EIO); | |
1887 | delete backend; | |
1888 | backend = NULL; | |
1889 | object_map.reset(); | |
1890 | return ret; | |
1891 | } | |
1892 | ||
1893 | void FileStore::init_temp_collections() | |
1894 | { | |
31f18b77 | 1895 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
1896 | vector<coll_t> ls; |
1897 | int r = list_collections(ls, true); | |
1898 | assert(r >= 0); | |
1899 | ||
1900 | dout(20) << " ls " << ls << dendl; | |
1901 | ||
1902 | SequencerPosition spos; | |
1903 | ||
1904 | set<coll_t> temps; | |
1905 | for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) | |
1906 | if (p->is_temp()) | |
1907 | temps.insert(*p); | |
1908 | dout(20) << " temps " << temps << dendl; | |
1909 | ||
1910 | for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) { | |
1911 | if (p->is_temp()) | |
1912 | continue; | |
1913 | if (p->is_meta()) | |
1914 | continue; | |
1915 | coll_t temp = p->get_temp(); | |
1916 | if (temps.count(temp)) { | |
1917 | temps.erase(temp); | |
1918 | } else { | |
31f18b77 | 1919 | dout(10) << __FUNC__ << ": creating " << temp << dendl; |
7c673cae FG |
1920 | r = _create_collection(temp, 0, spos); |
1921 | assert(r == 0); | |
1922 | } | |
1923 | } | |
1924 | ||
1925 | for (set<coll_t>::iterator p = temps.begin(); p != temps.end(); ++p) { | |
31f18b77 | 1926 | dout(10) << __FUNC__ << ": removing stray " << *p << dendl; |
7c673cae FG |
1927 | r = _collection_remove_recursive(*p, spos); |
1928 | assert(r == 0); | |
1929 | } | |
1930 | } | |
1931 | ||
1932 | int FileStore::umount() | |
1933 | { | |
31f18b77 | 1934 | dout(5) << __FUNC__ << ": " << basedir << dendl; |
7c673cae FG |
1935 | |
1936 | flush(); | |
1937 | sync(); | |
1938 | do_force_sync(); | |
1939 | ||
1940 | lock.Lock(); | |
1941 | stop = true; | |
1942 | sync_cond.Signal(); | |
1943 | lock.Unlock(); | |
1944 | sync_thread.join(); | |
1945 | if (!m_disable_wbthrottle){ | |
1946 | wbthrottle.stop(); | |
1947 | } | |
1948 | op_tp.stop(); | |
1949 | ||
1950 | journal_stop(); | |
1951 | if (!(generic_flags & SKIP_JOURNAL_REPLAY)) | |
1952 | journal_write_close(); | |
1953 | ||
1954 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
1955 | (*it)->stop(); | |
1956 | } | |
1957 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
1958 | (*it)->stop(); | |
1959 | } | |
1960 | ||
1961 | if (fsid_fd >= 0) { | |
1962 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1963 | fsid_fd = -1; | |
1964 | } | |
1965 | if (op_fd >= 0) { | |
1966 | VOID_TEMP_FAILURE_RETRY(::close(op_fd)); | |
1967 | op_fd = -1; | |
1968 | } | |
1969 | if (current_fd >= 0) { | |
1970 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
1971 | current_fd = -1; | |
1972 | } | |
1973 | if (basedir_fd >= 0) { | |
1974 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
1975 | basedir_fd = -1; | |
1976 | } | |
1977 | ||
1978 | force_sync = false; | |
1979 | ||
1980 | delete backend; | |
1981 | backend = NULL; | |
1982 | ||
1983 | object_map.reset(); | |
1984 | ||
1985 | { | |
1986 | Mutex::Locker l(sync_entry_timeo_lock); | |
1987 | timer.shutdown(); | |
1988 | } | |
1989 | ||
1990 | // nothing | |
1991 | return 0; | |
1992 | } | |
1993 | ||
1994 | ||
1995 | ||
1996 | ||
1997 | /// ----------------------------- | |
1998 | ||
1999 | FileStore::Op *FileStore::build_op(vector<Transaction>& tls, | |
2000 | Context *onreadable, | |
2001 | Context *onreadable_sync, | |
2002 | TrackedOpRef osd_op) | |
2003 | { | |
2004 | uint64_t bytes = 0, ops = 0; | |
2005 | for (vector<Transaction>::iterator p = tls.begin(); | |
2006 | p != tls.end(); | |
2007 | ++p) { | |
2008 | bytes += (*p).get_num_bytes(); | |
2009 | ops += (*p).get_num_ops(); | |
2010 | } | |
2011 | ||
2012 | Op *o = new Op; | |
2013 | o->start = ceph_clock_now(); | |
2014 | o->tls = std::move(tls); | |
2015 | o->onreadable = onreadable; | |
2016 | o->onreadable_sync = onreadable_sync; | |
2017 | o->ops = ops; | |
2018 | o->bytes = bytes; | |
2019 | o->osd_op = osd_op; | |
2020 | return o; | |
2021 | } | |
2022 | ||
2023 | ||
2024 | ||
2025 | void FileStore::queue_op(OpSequencer *osr, Op *o) | |
2026 | { | |
2027 | // queue op on sequencer, then queue sequencer for the threadpool, | |
2028 | // so that regardless of which order the threads pick up the | |
2029 | // sequencer, the op order will be preserved. | |
2030 | ||
2031 | osr->queue(o); | |
2032 | o->trace.event("queued"); | |
2033 | ||
2034 | logger->inc(l_filestore_ops); | |
2035 | logger->inc(l_filestore_bytes, o->bytes); | |
2036 | ||
31f18b77 | 2037 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op |
7c673cae FG |
2038 | << " " << *osr |
2039 | << " " << o->bytes << " bytes" | |
2040 | << " (queue has " << throttle_ops.get_current() << " ops and " << throttle_bytes.get_current() << " bytes)" | |
2041 | << dendl; | |
2042 | op_wq.queue(osr); | |
2043 | } | |
2044 | ||
2045 | void FileStore::op_queue_reserve_throttle(Op *o) | |
2046 | { | |
2047 | throttle_ops.get(); | |
2048 | throttle_bytes.get(o->bytes); | |
2049 | ||
2050 | logger->set(l_filestore_op_queue_ops, throttle_ops.get_current()); | |
2051 | logger->set(l_filestore_op_queue_bytes, throttle_bytes.get_current()); | |
2052 | } | |
2053 | ||
2054 | void FileStore::op_queue_release_throttle(Op *o) | |
2055 | { | |
2056 | throttle_ops.put(); | |
2057 | throttle_bytes.put(o->bytes); | |
2058 | logger->set(l_filestore_op_queue_ops, throttle_ops.get_current()); | |
2059 | logger->set(l_filestore_op_queue_bytes, throttle_bytes.get_current()); | |
2060 | } | |
2061 | ||
2062 | void FileStore::_do_op(OpSequencer *osr, ThreadPool::TPHandle &handle) | |
2063 | { | |
2064 | if (!m_disable_wbthrottle) { | |
2065 | wbthrottle.throttle(); | |
2066 | } | |
2067 | // inject a stall? | |
2068 | if (cct->_conf->filestore_inject_stall) { | |
2069 | int orig = cct->_conf->filestore_inject_stall; | |
31f18b77 | 2070 | dout(5) << __FUNC__ << ": filestore_inject_stall " << orig << ", sleeping" << dendl; |
7c673cae FG |
2071 | sleep(orig); |
2072 | cct->_conf->set_val("filestore_inject_stall", "0"); | |
31f18b77 | 2073 | dout(5) << __FUNC__ << ": done stalling" << dendl; |
7c673cae FG |
2074 | } |
2075 | ||
2076 | osr->apply_lock.Lock(); | |
2077 | Op *o = osr->peek_queue(); | |
2078 | o->trace.event("op_apply_start"); | |
2079 | apply_manager.op_apply_start(o->op); | |
31f18b77 | 2080 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << "/" << osr->parent << " start" << dendl; |
7c673cae FG |
2081 | o->trace.event("_do_transactions start"); |
2082 | int r = _do_transactions(o->tls, o->op, &handle); | |
2083 | o->trace.event("op_apply_finish"); | |
2084 | apply_manager.op_apply_finish(o->op); | |
31f18b77 | 2085 | dout(10) << __FUNC__ << ": " << o << " seq " << o->op << " r = " << r |
7c673cae FG |
2086 | << ", finisher " << o->onreadable << " " << o->onreadable_sync << dendl; |
2087 | ||
2088 | o->tls.clear(); | |
2089 | ||
2090 | } | |
2091 | ||
2092 | void FileStore::_finish_op(OpSequencer *osr) | |
2093 | { | |
2094 | list<Context*> to_queue; | |
2095 | Op *o = osr->dequeue(&to_queue); | |
2096 | ||
2097 | utime_t lat = ceph_clock_now(); | |
2098 | lat -= o->start; | |
2099 | ||
31f18b77 | 2100 | dout(10) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << "/" << osr->parent << " lat " << lat << dendl; |
7c673cae FG |
2101 | osr->apply_lock.Unlock(); // locked in _do_op |
2102 | o->trace.event("_finish_op"); | |
2103 | ||
2104 | // called with tp lock held | |
2105 | op_queue_release_throttle(o); | |
2106 | ||
2107 | logger->tinc(l_filestore_apply_latency, lat); | |
2108 | ||
2109 | if (o->onreadable_sync) { | |
2110 | o->onreadable_sync->complete(0); | |
2111 | } | |
2112 | if (o->onreadable) { | |
2113 | apply_finishers[osr->id % m_apply_finisher_num]->queue(o->onreadable); | |
2114 | } | |
2115 | if (!to_queue.empty()) { | |
2116 | apply_finishers[osr->id % m_apply_finisher_num]->queue(to_queue); | |
2117 | } | |
2118 | delete o; | |
2119 | } | |
2120 | ||
2121 | ||
2122 | struct C_JournaledAhead : public Context { | |
2123 | FileStore *fs; | |
2124 | FileStore::OpSequencer *osr; | |
2125 | FileStore::Op *o; | |
2126 | Context *ondisk; | |
2127 | ||
2128 | C_JournaledAhead(FileStore *f, FileStore::OpSequencer *os, FileStore::Op *o, Context *ondisk): | |
2129 | fs(f), osr(os), o(o), ondisk(ondisk) { } | |
2130 | void finish(int r) override { | |
2131 | fs->_journaled_ahead(osr, o, ondisk); | |
2132 | } | |
2133 | }; | |
2134 | ||
2135 | int FileStore::queue_transactions(Sequencer *posr, vector<Transaction>& tls, | |
2136 | TrackedOpRef osd_op, | |
2137 | ThreadPool::TPHandle *handle) | |
2138 | { | |
2139 | Context *onreadable; | |
2140 | Context *ondisk; | |
2141 | Context *onreadable_sync; | |
2142 | ObjectStore::Transaction::collect_contexts( | |
2143 | tls, &onreadable, &ondisk, &onreadable_sync); | |
2144 | ||
2145 | if (cct->_conf->objectstore_blackhole) { | |
31f18b77 | 2146 | dout(0) << __FUNC__ << ": objectstore_blackhole = TRUE, dropping transaction" |
7c673cae FG |
2147 | << dendl; |
2148 | delete ondisk; | |
2149 | delete onreadable; | |
2150 | delete onreadable_sync; | |
2151 | return 0; | |
2152 | } | |
2153 | ||
2154 | utime_t start = ceph_clock_now(); | |
2155 | // set up the sequencer | |
2156 | OpSequencer *osr; | |
2157 | assert(posr); | |
2158 | if (posr->p) { | |
2159 | osr = static_cast<OpSequencer *>(posr->p.get()); | |
31f18b77 | 2160 | dout(5) << __FUNC__ << ": existing " << osr << " " << *osr << dendl; |
7c673cae | 2161 | } else { |
31f18b77 | 2162 | osr = new OpSequencer(cct, ++next_osr_id); |
7c673cae FG |
2163 | osr->set_cct(cct); |
2164 | osr->parent = posr; | |
2165 | posr->p = osr; | |
31f18b77 | 2166 | dout(5) << __FUNC__ << ": new " << osr << " " << *osr << dendl; |
7c673cae FG |
2167 | } |
2168 | ||
2169 | // used to include osr information in tracepoints during transaction apply | |
2170 | for (vector<Transaction>::iterator i = tls.begin(); i != tls.end(); ++i) { | |
2171 | (*i).set_osr(osr); | |
2172 | } | |
2173 | ||
2174 | ZTracer::Trace trace; | |
2175 | if (osd_op && osd_op->pg_trace) { | |
2176 | osd_op->store_trace.init("filestore op", &trace_endpoint, &osd_op->pg_trace); | |
2177 | trace = osd_op->store_trace; | |
2178 | } | |
2179 | ||
2180 | if (journal && journal->is_writeable() && !m_filestore_journal_trailing) { | |
2181 | Op *o = build_op(tls, onreadable, onreadable_sync, osd_op); | |
2182 | ||
2183 | //prepare and encode transactions data out of lock | |
2184 | bufferlist tbl; | |
2185 | int orig_len = journal->prepare_entry(o->tls, &tbl); | |
2186 | ||
2187 | if (handle) | |
2188 | handle->suspend_tp_timeout(); | |
2189 | ||
2190 | op_queue_reserve_throttle(o); | |
2191 | journal->reserve_throttle_and_backoff(tbl.length()); | |
2192 | ||
2193 | if (handle) | |
2194 | handle->reset_tp_timeout(); | |
2195 | ||
2196 | uint64_t op_num = submit_manager.op_submit_start(); | |
2197 | o->op = op_num; | |
2198 | trace.keyval("opnum", op_num); | |
2199 | ||
2200 | if (m_filestore_do_dump) | |
2201 | dump_transactions(o->tls, o->op, osr); | |
2202 | ||
2203 | if (m_filestore_journal_parallel) { | |
31f18b77 | 2204 | dout(5) << __FUNC__ << ": (parallel) " << o->op << " " << o->tls << dendl; |
7c673cae FG |
2205 | |
2206 | trace.keyval("journal mode", "parallel"); | |
2207 | trace.event("journal started"); | |
2208 | _op_journal_transactions(tbl, orig_len, o->op, ondisk, osd_op); | |
2209 | ||
2210 | // queue inside submit_manager op submission lock | |
2211 | queue_op(osr, o); | |
2212 | trace.event("op queued"); | |
2213 | } else if (m_filestore_journal_writeahead) { | |
31f18b77 | 2214 | dout(5) << __FUNC__ << ": (writeahead) " << o->op << " " << o->tls << dendl; |
7c673cae FG |
2215 | |
2216 | osr->queue_journal(o->op); | |
2217 | ||
2218 | trace.keyval("journal mode", "writeahead"); | |
2219 | trace.event("journal started"); | |
2220 | _op_journal_transactions(tbl, orig_len, o->op, | |
2221 | new C_JournaledAhead(this, osr, o, ondisk), | |
2222 | osd_op); | |
2223 | } else { | |
2224 | ceph_abort(); | |
2225 | } | |
2226 | submit_manager.op_submit_finish(op_num); | |
2227 | utime_t end = ceph_clock_now(); | |
2228 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2229 | return 0; | |
2230 | } | |
2231 | ||
2232 | if (!journal) { | |
2233 | Op *o = build_op(tls, onreadable, onreadable_sync, osd_op); | |
31f18b77 | 2234 | dout(5) << __FUNC__ << ": (no journal) " << o << " " << tls << dendl; |
7c673cae FG |
2235 | |
2236 | if (handle) | |
2237 | handle->suspend_tp_timeout(); | |
2238 | ||
2239 | op_queue_reserve_throttle(o); | |
2240 | ||
2241 | if (handle) | |
2242 | handle->reset_tp_timeout(); | |
2243 | ||
2244 | uint64_t op_num = submit_manager.op_submit_start(); | |
2245 | o->op = op_num; | |
2246 | ||
2247 | if (m_filestore_do_dump) | |
2248 | dump_transactions(o->tls, o->op, osr); | |
2249 | ||
2250 | queue_op(osr, o); | |
2251 | trace.keyval("opnum", op_num); | |
2252 | trace.keyval("journal mode", "none"); | |
2253 | trace.event("op queued"); | |
2254 | ||
2255 | if (ondisk) | |
2256 | apply_manager.add_waiter(op_num, ondisk); | |
2257 | submit_manager.op_submit_finish(op_num); | |
2258 | utime_t end = ceph_clock_now(); | |
2259 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2260 | return 0; | |
2261 | } | |
2262 | ||
2263 | assert(journal); | |
2264 | //prepare and encode transactions data out of lock | |
2265 | bufferlist tbl; | |
2266 | int orig_len = -1; | |
2267 | if (journal->is_writeable()) { | |
2268 | orig_len = journal->prepare_entry(tls, &tbl); | |
2269 | } | |
2270 | uint64_t op = submit_manager.op_submit_start(); | |
31f18b77 | 2271 | dout(5) << __FUNC__ << ": (trailing journal) " << op << " " << tls << dendl; |
7c673cae FG |
2272 | |
2273 | if (m_filestore_do_dump) | |
2274 | dump_transactions(tls, op, osr); | |
2275 | ||
2276 | trace.event("op_apply_start"); | |
2277 | trace.keyval("opnum", op); | |
2278 | trace.keyval("journal mode", "trailing"); | |
2279 | apply_manager.op_apply_start(op); | |
2280 | trace.event("do_transactions"); | |
2281 | int r = do_transactions(tls, op); | |
2282 | ||
2283 | if (r >= 0) { | |
2284 | trace.event("journal started"); | |
2285 | _op_journal_transactions(tbl, orig_len, op, ondisk, osd_op); | |
2286 | } else { | |
2287 | delete ondisk; | |
2288 | } | |
2289 | ||
2290 | // start on_readable finisher after we queue journal item, as on_readable callback | |
2291 | // is allowed to delete the Transaction | |
2292 | if (onreadable_sync) { | |
2293 | onreadable_sync->complete(r); | |
2294 | } | |
2295 | apply_finishers[osr->id % m_apply_finisher_num]->queue(onreadable, r); | |
2296 | ||
2297 | submit_manager.op_submit_finish(op); | |
2298 | trace.event("op_apply_finish"); | |
2299 | apply_manager.op_apply_finish(op); | |
2300 | ||
2301 | utime_t end = ceph_clock_now(); | |
2302 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2303 | return r; | |
2304 | } | |
2305 | ||
2306 | void FileStore::_journaled_ahead(OpSequencer *osr, Op *o, Context *ondisk) | |
2307 | { | |
31f18b77 | 2308 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " " << o->tls << dendl; |
7c673cae FG |
2309 | |
2310 | o->trace.event("writeahead journal finished"); | |
2311 | ||
2312 | // this should queue in order because the journal does it's completions in order. | |
2313 | queue_op(osr, o); | |
2314 | ||
2315 | list<Context*> to_queue; | |
2316 | osr->dequeue_journal(&to_queue); | |
2317 | ||
2318 | // do ondisk completions async, to prevent any onreadable_sync completions | |
2319 | // getting blocked behind an ondisk completion. | |
2320 | if (ondisk) { | |
2321 | dout(10) << " queueing ondisk " << ondisk << dendl; | |
2322 | ondisk_finishers[osr->id % m_ondisk_finisher_num]->queue(ondisk); | |
2323 | } | |
2324 | if (!to_queue.empty()) { | |
2325 | ondisk_finishers[osr->id % m_ondisk_finisher_num]->queue(to_queue); | |
2326 | } | |
2327 | } | |
2328 | ||
2329 | int FileStore::_do_transactions( | |
2330 | vector<Transaction> &tls, | |
2331 | uint64_t op_seq, | |
2332 | ThreadPool::TPHandle *handle) | |
2333 | { | |
2334 | int trans_num = 0; | |
2335 | ||
2336 | for (vector<Transaction>::iterator p = tls.begin(); | |
2337 | p != tls.end(); | |
2338 | ++p, trans_num++) { | |
2339 | _do_transaction(*p, op_seq, trans_num, handle); | |
2340 | if (handle) | |
2341 | handle->reset_tp_timeout(); | |
2342 | } | |
2343 | ||
2344 | return 0; | |
2345 | } | |
2346 | ||
2347 | void FileStore::_set_global_replay_guard(const coll_t& cid, | |
2348 | const SequencerPosition &spos) | |
2349 | { | |
2350 | if (backend->can_checkpoint()) | |
2351 | return; | |
2352 | ||
2353 | // sync all previous operations on this sequencer | |
2354 | int ret = object_map->sync(); | |
2355 | if (ret < 0) { | |
31f18b77 | 2356 | derr << __FUNC__ << ": omap sync error " << cpp_strerror(ret) << dendl; |
7c673cae FG |
2357 | assert(0 == "_set_global_replay_guard failed"); |
2358 | } | |
2359 | ret = sync_filesystem(basedir_fd); | |
2360 | if (ret < 0) { | |
31f18b77 | 2361 | derr << __FUNC__ << ": sync_filesystem error " << cpp_strerror(ret) << dendl; |
7c673cae FG |
2362 | assert(0 == "_set_global_replay_guard failed"); |
2363 | } | |
2364 | ||
2365 | char fn[PATH_MAX]; | |
2366 | get_cdir(cid, fn, sizeof(fn)); | |
2367 | int fd = ::open(fn, O_RDONLY); | |
2368 | if (fd < 0) { | |
2369 | int err = errno; | |
31f18b77 | 2370 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
7c673cae FG |
2371 | assert(0 == "_set_global_replay_guard failed"); |
2372 | } | |
2373 | ||
2374 | _inject_failure(); | |
2375 | ||
2376 | // then record that we did it | |
2377 | bufferlist v; | |
2378 | ::encode(spos, v); | |
2379 | int r = chain_fsetxattr<true, true>( | |
2380 | fd, GLOBAL_REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2381 | if (r < 0) { | |
31f18b77 | 2382 | derr << __FUNC__ << ": fsetxattr " << GLOBAL_REPLAY_GUARD_XATTR |
7c673cae FG |
2383 | << " got " << cpp_strerror(r) << dendl; |
2384 | assert(0 == "fsetxattr failed"); | |
2385 | } | |
2386 | ||
2387 | // and make sure our xattr is durable. | |
2388 | ::fsync(fd); | |
2389 | ||
2390 | _inject_failure(); | |
2391 | ||
2392 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 2393 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2394 | } |
2395 | ||
2396 | int FileStore::_check_global_replay_guard(const coll_t& cid, | |
2397 | const SequencerPosition& spos) | |
2398 | { | |
2399 | char fn[PATH_MAX]; | |
2400 | get_cdir(cid, fn, sizeof(fn)); | |
2401 | int fd = ::open(fn, O_RDONLY); | |
2402 | if (fd < 0) { | |
31f18b77 | 2403 | dout(10) << __FUNC__ << ": " << cid << " dne" << dendl; |
7c673cae FG |
2404 | return 1; // if collection does not exist, there is no guard, and we can replay. |
2405 | } | |
2406 | ||
2407 | char buf[100]; | |
2408 | int r = chain_fgetxattr(fd, GLOBAL_REPLAY_GUARD_XATTR, buf, sizeof(buf)); | |
2409 | if (r < 0) { | |
31f18b77 | 2410 | dout(20) << __FUNC__ << ": no xattr" << dendl; |
7c673cae FG |
2411 | assert(!m_filestore_fail_eio || r != -EIO); |
2412 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2413 | return 1; // no xattr | |
2414 | } | |
2415 | bufferlist bl; | |
2416 | bl.append(buf, r); | |
2417 | ||
2418 | SequencerPosition opos; | |
2419 | bufferlist::iterator p = bl.begin(); | |
2420 | ::decode(opos, p); | |
2421 | ||
2422 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2423 | return spos >= opos ? 1 : -1; | |
2424 | } | |
2425 | ||
2426 | ||
2427 | void FileStore::_set_replay_guard(const coll_t& cid, | |
2428 | const SequencerPosition &spos, | |
2429 | bool in_progress=false) | |
2430 | { | |
2431 | char fn[PATH_MAX]; | |
2432 | get_cdir(cid, fn, sizeof(fn)); | |
2433 | int fd = ::open(fn, O_RDONLY); | |
2434 | if (fd < 0) { | |
2435 | int err = errno; | |
31f18b77 | 2436 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
7c673cae FG |
2437 | assert(0 == "_set_replay_guard failed"); |
2438 | } | |
2439 | _set_replay_guard(fd, spos, 0, in_progress); | |
2440 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2441 | } | |
2442 | ||
2443 | ||
2444 | void FileStore::_set_replay_guard(int fd, | |
2445 | const SequencerPosition& spos, | |
2446 | const ghobject_t *hoid, | |
2447 | bool in_progress) | |
2448 | { | |
2449 | if (backend->can_checkpoint()) | |
2450 | return; | |
2451 | ||
31f18b77 | 2452 | dout(10) << __FUNC__ << ": " << spos << (in_progress ? " START" : "") << dendl; |
7c673cae FG |
2453 | |
2454 | _inject_failure(); | |
2455 | ||
2456 | // first make sure the previous operation commits | |
2457 | ::fsync(fd); | |
2458 | ||
2459 | if (!in_progress) { | |
2460 | // sync object_map too. even if this object has a header or keys, | |
2461 | // it have had them in the past and then removed them, so always | |
2462 | // sync. | |
2463 | object_map->sync(hoid, &spos); | |
2464 | } | |
2465 | ||
2466 | _inject_failure(); | |
2467 | ||
2468 | // then record that we did it | |
2469 | bufferlist v(40); | |
2470 | ::encode(spos, v); | |
2471 | ::encode(in_progress, v); | |
2472 | int r = chain_fsetxattr<true, true>( | |
2473 | fd, REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2474 | if (r < 0) { | |
2475 | derr << "fsetxattr " << REPLAY_GUARD_XATTR << " got " << cpp_strerror(r) << dendl; | |
2476 | assert(0 == "fsetxattr failed"); | |
2477 | } | |
2478 | ||
2479 | // and make sure our xattr is durable. | |
2480 | ::fsync(fd); | |
2481 | ||
2482 | _inject_failure(); | |
2483 | ||
31f18b77 | 2484 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2485 | } |
2486 | ||
2487 | void FileStore::_close_replay_guard(const coll_t& cid, | |
2488 | const SequencerPosition &spos) | |
2489 | { | |
2490 | char fn[PATH_MAX]; | |
2491 | get_cdir(cid, fn, sizeof(fn)); | |
2492 | int fd = ::open(fn, O_RDONLY); | |
2493 | if (fd < 0) { | |
2494 | int err = errno; | |
31f18b77 | 2495 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
7c673cae FG |
2496 | assert(0 == "_close_replay_guard failed"); |
2497 | } | |
2498 | _close_replay_guard(fd, spos); | |
2499 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2500 | } | |
2501 | ||
2502 | void FileStore::_close_replay_guard(int fd, const SequencerPosition& spos, | |
2503 | const ghobject_t *hoid) | |
2504 | { | |
2505 | if (backend->can_checkpoint()) | |
2506 | return; | |
2507 | ||
31f18b77 | 2508 | dout(10) << __FUNC__ << ": " << spos << dendl; |
7c673cae FG |
2509 | |
2510 | _inject_failure(); | |
2511 | ||
2512 | // sync object_map too. even if this object has a header or keys, | |
2513 | // it have had them in the past and then removed them, so always | |
2514 | // sync. | |
2515 | object_map->sync(hoid, &spos); | |
2516 | ||
2517 | // then record that we are done with this operation | |
2518 | bufferlist v(40); | |
2519 | ::encode(spos, v); | |
2520 | bool in_progress = false; | |
2521 | ::encode(in_progress, v); | |
2522 | int r = chain_fsetxattr<true, true>( | |
2523 | fd, REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2524 | if (r < 0) { | |
2525 | derr << "fsetxattr " << REPLAY_GUARD_XATTR << " got " << cpp_strerror(r) << dendl; | |
2526 | assert(0 == "fsetxattr failed"); | |
2527 | } | |
2528 | ||
2529 | // and make sure our xattr is durable. | |
2530 | ::fsync(fd); | |
2531 | ||
2532 | _inject_failure(); | |
2533 | ||
31f18b77 | 2534 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2535 | } |
2536 | ||
2537 | int FileStore::_check_replay_guard(const coll_t& cid, const ghobject_t &oid, | |
2538 | const SequencerPosition& spos) | |
2539 | { | |
2540 | if (!replaying || backend->can_checkpoint()) | |
2541 | return 1; | |
2542 | ||
2543 | int r = _check_global_replay_guard(cid, spos); | |
2544 | if (r < 0) | |
2545 | return r; | |
2546 | ||
2547 | FDRef fd; | |
2548 | r = lfn_open(cid, oid, false, &fd); | |
2549 | if (r < 0) { | |
31f18b77 | 2550 | dout(10) << __FUNC__ << ": " << cid << " " << oid << " dne" << dendl; |
7c673cae FG |
2551 | return 1; // if file does not exist, there is no guard, and we can replay. |
2552 | } | |
2553 | int ret = _check_replay_guard(**fd, spos); | |
2554 | lfn_close(fd); | |
2555 | return ret; | |
2556 | } | |
2557 | ||
2558 | int FileStore::_check_replay_guard(const coll_t& cid, const SequencerPosition& spos) | |
2559 | { | |
2560 | if (!replaying || backend->can_checkpoint()) | |
2561 | return 1; | |
2562 | ||
2563 | char fn[PATH_MAX]; | |
2564 | get_cdir(cid, fn, sizeof(fn)); | |
2565 | int fd = ::open(fn, O_RDONLY); | |
2566 | if (fd < 0) { | |
31f18b77 | 2567 | dout(10) << __FUNC__ << ": " << cid << " dne" << dendl; |
7c673cae FG |
2568 | return 1; // if collection does not exist, there is no guard, and we can replay. |
2569 | } | |
2570 | int ret = _check_replay_guard(fd, spos); | |
2571 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2572 | return ret; | |
2573 | } | |
2574 | ||
2575 | int FileStore::_check_replay_guard(int fd, const SequencerPosition& spos) | |
2576 | { | |
2577 | if (!replaying || backend->can_checkpoint()) | |
2578 | return 1; | |
2579 | ||
2580 | char buf[100]; | |
2581 | int r = chain_fgetxattr(fd, REPLAY_GUARD_XATTR, buf, sizeof(buf)); | |
2582 | if (r < 0) { | |
31f18b77 | 2583 | dout(20) << __FUNC__ << ": no xattr" << dendl; |
7c673cae FG |
2584 | assert(!m_filestore_fail_eio || r != -EIO); |
2585 | return 1; // no xattr | |
2586 | } | |
2587 | bufferlist bl; | |
2588 | bl.append(buf, r); | |
2589 | ||
2590 | SequencerPosition opos; | |
2591 | bufferlist::iterator p = bl.begin(); | |
2592 | ::decode(opos, p); | |
2593 | bool in_progress = false; | |
2594 | if (!p.end()) // older journals don't have this | |
2595 | ::decode(in_progress, p); | |
2596 | if (opos > spos) { | |
31f18b77 | 2597 | dout(10) << __FUNC__ << ": object has " << opos << " > current pos " << spos |
7c673cae FG |
2598 | << ", now or in future, SKIPPING REPLAY" << dendl; |
2599 | return -1; | |
2600 | } else if (opos == spos) { | |
2601 | if (in_progress) { | |
31f18b77 | 2602 | dout(10) << __FUNC__ << ": object has " << opos << " == current pos " << spos |
7c673cae FG |
2603 | << ", in_progress=true, CONDITIONAL REPLAY" << dendl; |
2604 | return 0; | |
2605 | } else { | |
31f18b77 | 2606 | dout(10) << __FUNC__ << ": object has " << opos << " == current pos " << spos |
7c673cae FG |
2607 | << ", in_progress=false, SKIPPING REPLAY" << dendl; |
2608 | return -1; | |
2609 | } | |
2610 | } else { | |
31f18b77 | 2611 | dout(10) << __FUNC__ << ": object has " << opos << " < current pos " << spos |
7c673cae FG |
2612 | << ", in past, will replay" << dendl; |
2613 | return 1; | |
2614 | } | |
2615 | } | |
2616 | ||
2617 | void FileStore::_do_transaction( | |
2618 | Transaction& t, uint64_t op_seq, int trans_num, | |
2619 | ThreadPool::TPHandle *handle) | |
2620 | { | |
31f18b77 | 2621 | dout(10) << __FUNC__ << ": on " << &t << dendl; |
7c673cae FG |
2622 | |
2623 | #ifdef WITH_LTTNG | |
2624 | const char *osr_name = t.get_osr() ? static_cast<OpSequencer*>(t.get_osr())->get_name().c_str() : "<NULL>"; | |
2625 | #endif | |
2626 | ||
2627 | Transaction::iterator i = t.begin(); | |
2628 | ||
2629 | SequencerPosition spos(op_seq, trans_num, 0); | |
2630 | while (i.have_op()) { | |
2631 | if (handle) | |
2632 | handle->reset_tp_timeout(); | |
2633 | ||
2634 | Transaction::Op *op = i.decode_op(); | |
2635 | int r = 0; | |
2636 | ||
2637 | _inject_failure(); | |
2638 | ||
2639 | switch (op->op) { | |
2640 | case Transaction::OP_NOP: | |
2641 | break; | |
2642 | case Transaction::OP_TOUCH: | |
2643 | { | |
2644 | const coll_t &_cid = i.get_cid(op->cid); | |
2645 | const ghobject_t &oid = i.get_oid(op->oid); | |
2646 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2647 | _cid : _cid.get_temp(); | |
2648 | tracepoint(objectstore, touch_enter, osr_name); | |
2649 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2650 | r = _touch(cid, oid); | |
2651 | tracepoint(objectstore, touch_exit, r); | |
2652 | } | |
2653 | break; | |
2654 | ||
2655 | case Transaction::OP_WRITE: | |
2656 | { | |
2657 | const coll_t &_cid = i.get_cid(op->cid); | |
2658 | const ghobject_t &oid = i.get_oid(op->oid); | |
2659 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2660 | _cid : _cid.get_temp(); | |
2661 | uint64_t off = op->off; | |
2662 | uint64_t len = op->len; | |
2663 | uint32_t fadvise_flags = i.get_fadvise_flags(); | |
2664 | bufferlist bl; | |
2665 | i.decode_bl(bl); | |
2666 | tracepoint(objectstore, write_enter, osr_name, off, len); | |
2667 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2668 | r = _write(cid, oid, off, len, bl, fadvise_flags); | |
2669 | tracepoint(objectstore, write_exit, r); | |
2670 | } | |
2671 | break; | |
2672 | ||
2673 | case Transaction::OP_ZERO: | |
2674 | { | |
2675 | const coll_t &_cid = i.get_cid(op->cid); | |
2676 | const ghobject_t &oid = i.get_oid(op->oid); | |
2677 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2678 | _cid : _cid.get_temp(); | |
2679 | uint64_t off = op->off; | |
2680 | uint64_t len = op->len; | |
2681 | tracepoint(objectstore, zero_enter, osr_name, off, len); | |
2682 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2683 | r = _zero(cid, oid, off, len); | |
2684 | tracepoint(objectstore, zero_exit, r); | |
2685 | } | |
2686 | break; | |
2687 | ||
2688 | case Transaction::OP_TRIMCACHE: | |
2689 | { | |
2690 | // deprecated, no-op | |
2691 | } | |
2692 | break; | |
2693 | ||
2694 | case Transaction::OP_TRUNCATE: | |
2695 | { | |
2696 | const coll_t &_cid = i.get_cid(op->cid); | |
2697 | const ghobject_t &oid = i.get_oid(op->oid); | |
2698 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2699 | _cid : _cid.get_temp(); | |
2700 | uint64_t off = op->off; | |
2701 | tracepoint(objectstore, truncate_enter, osr_name, off); | |
2702 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2703 | r = _truncate(cid, oid, off); | |
2704 | tracepoint(objectstore, truncate_exit, r); | |
2705 | } | |
2706 | break; | |
2707 | ||
2708 | case Transaction::OP_REMOVE: | |
2709 | { | |
2710 | const coll_t &_cid = i.get_cid(op->cid); | |
2711 | const ghobject_t &oid = i.get_oid(op->oid); | |
2712 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2713 | _cid : _cid.get_temp(); | |
2714 | tracepoint(objectstore, remove_enter, osr_name); | |
2715 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2716 | r = _remove(cid, oid, spos); | |
2717 | tracepoint(objectstore, remove_exit, r); | |
2718 | } | |
2719 | break; | |
2720 | ||
2721 | case Transaction::OP_SETATTR: | |
2722 | { | |
2723 | const coll_t &_cid = i.get_cid(op->cid); | |
2724 | const ghobject_t &oid = i.get_oid(op->oid); | |
2725 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2726 | _cid : _cid.get_temp(); | |
2727 | string name = i.decode_string(); | |
2728 | bufferlist bl; | |
2729 | i.decode_bl(bl); | |
2730 | tracepoint(objectstore, setattr_enter, osr_name); | |
2731 | if (_check_replay_guard(cid, oid, spos) > 0) { | |
2732 | map<string, bufferptr> to_set; | |
2733 | to_set[name] = bufferptr(bl.c_str(), bl.length()); | |
2734 | r = _setattrs(cid, oid, to_set, spos); | |
2735 | if (r == -ENOSPC) | |
2736 | dout(0) << " ENOSPC on setxattr on " << cid << "/" << oid | |
2737 | << " name " << name << " size " << bl.length() << dendl; | |
2738 | } | |
2739 | tracepoint(objectstore, setattr_exit, r); | |
2740 | } | |
2741 | break; | |
2742 | ||
2743 | case Transaction::OP_SETATTRS: | |
2744 | { | |
2745 | const coll_t &_cid = i.get_cid(op->cid); | |
2746 | const ghobject_t &oid = i.get_oid(op->oid); | |
2747 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2748 | _cid : _cid.get_temp(); | |
2749 | map<string, bufferptr> aset; | |
2750 | i.decode_attrset(aset); | |
2751 | tracepoint(objectstore, setattrs_enter, osr_name); | |
2752 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2753 | r = _setattrs(cid, oid, aset, spos); | |
2754 | tracepoint(objectstore, setattrs_exit, r); | |
2755 | if (r == -ENOSPC) | |
2756 | dout(0) << " ENOSPC on setxattrs on " << cid << "/" << oid << dendl; | |
2757 | } | |
2758 | break; | |
2759 | ||
2760 | case Transaction::OP_RMATTR: | |
2761 | { | |
2762 | const coll_t &_cid = i.get_cid(op->cid); | |
2763 | const ghobject_t &oid = i.get_oid(op->oid); | |
2764 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2765 | _cid : _cid.get_temp(); | |
2766 | string name = i.decode_string(); | |
2767 | tracepoint(objectstore, rmattr_enter, osr_name); | |
2768 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2769 | r = _rmattr(cid, oid, name.c_str(), spos); | |
2770 | tracepoint(objectstore, rmattr_exit, r); | |
2771 | } | |
2772 | break; | |
2773 | ||
2774 | case Transaction::OP_RMATTRS: | |
2775 | { | |
2776 | const coll_t &_cid = i.get_cid(op->cid); | |
2777 | const ghobject_t &oid = i.get_oid(op->oid); | |
2778 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2779 | _cid : _cid.get_temp(); | |
2780 | tracepoint(objectstore, rmattrs_enter, osr_name); | |
2781 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2782 | r = _rmattrs(cid, oid, spos); | |
2783 | tracepoint(objectstore, rmattrs_exit, r); | |
2784 | } | |
2785 | break; | |
2786 | ||
2787 | case Transaction::OP_CLONE: | |
2788 | { | |
2789 | const coll_t &_cid = i.get_cid(op->cid); | |
2790 | const ghobject_t &oid = i.get_oid(op->oid); | |
2791 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2792 | _cid : _cid.get_temp(); | |
2793 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2794 | tracepoint(objectstore, clone_enter, osr_name); | |
2795 | r = _clone(cid, oid, noid, spos); | |
2796 | tracepoint(objectstore, clone_exit, r); | |
2797 | } | |
2798 | break; | |
2799 | ||
2800 | case Transaction::OP_CLONERANGE: | |
2801 | { | |
2802 | const coll_t &_cid = i.get_cid(op->cid); | |
2803 | const ghobject_t &oid = i.get_oid(op->oid); | |
2804 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2805 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2806 | _cid : _cid.get_temp(); | |
2807 | const coll_t &ncid = !_need_temp_object_collection(_cid, noid) ? | |
2808 | _cid : _cid.get_temp(); | |
2809 | uint64_t off = op->off; | |
2810 | uint64_t len = op->len; | |
2811 | tracepoint(objectstore, clone_range_enter, osr_name, len); | |
2812 | r = _clone_range(cid, oid, ncid, noid, off, len, off, spos); | |
2813 | tracepoint(objectstore, clone_range_exit, r); | |
2814 | } | |
2815 | break; | |
2816 | ||
2817 | case Transaction::OP_CLONERANGE2: | |
2818 | { | |
2819 | const coll_t &_cid = i.get_cid(op->cid); | |
2820 | const ghobject_t &oid = i.get_oid(op->oid); | |
2821 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2822 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2823 | _cid : _cid.get_temp(); | |
2824 | const coll_t &ncid = !_need_temp_object_collection(_cid, noid) ? | |
2825 | _cid : _cid.get_temp(); | |
2826 | uint64_t srcoff = op->off; | |
2827 | uint64_t len = op->len; | |
2828 | uint64_t dstoff = op->dest_off; | |
2829 | tracepoint(objectstore, clone_range2_enter, osr_name, len); | |
2830 | r = _clone_range(cid, oid, ncid, noid, srcoff, len, dstoff, spos); | |
2831 | tracepoint(objectstore, clone_range2_exit, r); | |
2832 | } | |
2833 | break; | |
2834 | ||
2835 | case Transaction::OP_MKCOLL: | |
2836 | { | |
2837 | const coll_t &cid = i.get_cid(op->cid); | |
2838 | tracepoint(objectstore, mkcoll_enter, osr_name); | |
2839 | if (_check_replay_guard(cid, spos) > 0) | |
2840 | r = _create_collection(cid, op->split_bits, spos); | |
2841 | tracepoint(objectstore, mkcoll_exit, r); | |
2842 | } | |
2843 | break; | |
2844 | ||
2845 | case Transaction::OP_COLL_SET_BITS: | |
2846 | { | |
2847 | const coll_t &cid = i.get_cid(op->cid); | |
2848 | int bits = op->split_bits; | |
2849 | r = _collection_set_bits(cid, bits); | |
2850 | } | |
2851 | break; | |
2852 | ||
2853 | case Transaction::OP_COLL_HINT: | |
2854 | { | |
2855 | const coll_t &cid = i.get_cid(op->cid); | |
2856 | uint32_t type = op->hint_type; | |
2857 | bufferlist hint; | |
2858 | i.decode_bl(hint); | |
2859 | bufferlist::iterator hiter = hint.begin(); | |
2860 | if (type == Transaction::COLL_HINT_EXPECTED_NUM_OBJECTS) { | |
2861 | uint32_t pg_num; | |
2862 | uint64_t num_objs; | |
2863 | ::decode(pg_num, hiter); | |
2864 | ::decode(num_objs, hiter); | |
2865 | if (_check_replay_guard(cid, spos) > 0) { | |
2866 | r = _collection_hint_expected_num_objs(cid, pg_num, num_objs, spos); | |
2867 | } | |
2868 | } else { | |
2869 | // Ignore the hint | |
2870 | dout(10) << "Unrecognized collection hint type: " << type << dendl; | |
2871 | } | |
2872 | } | |
2873 | break; | |
2874 | ||
2875 | case Transaction::OP_RMCOLL: | |
2876 | { | |
2877 | const coll_t &cid = i.get_cid(op->cid); | |
2878 | tracepoint(objectstore, rmcoll_enter, osr_name); | |
2879 | if (_check_replay_guard(cid, spos) > 0) | |
2880 | r = _destroy_collection(cid); | |
2881 | tracepoint(objectstore, rmcoll_exit, r); | |
2882 | } | |
2883 | break; | |
2884 | ||
2885 | case Transaction::OP_COLL_ADD: | |
2886 | { | |
2887 | const coll_t &ocid = i.get_cid(op->cid); | |
2888 | const coll_t &ncid = i.get_cid(op->dest_cid); | |
2889 | const ghobject_t &oid = i.get_oid(op->oid); | |
2890 | ||
2891 | assert(oid.hobj.pool >= -1); | |
2892 | ||
2893 | // always followed by OP_COLL_REMOVE | |
2894 | Transaction::Op *op2 = i.decode_op(); | |
2895 | const coll_t &ocid2 = i.get_cid(op2->cid); | |
2896 | const ghobject_t &oid2 = i.get_oid(op2->oid); | |
2897 | assert(op2->op == Transaction::OP_COLL_REMOVE); | |
2898 | assert(ocid2 == ocid); | |
2899 | assert(oid2 == oid); | |
2900 | ||
2901 | tracepoint(objectstore, coll_add_enter); | |
2902 | r = _collection_add(ncid, ocid, oid, spos); | |
2903 | tracepoint(objectstore, coll_add_exit, r); | |
2904 | spos.op++; | |
2905 | if (r < 0) | |
2906 | break; | |
2907 | tracepoint(objectstore, coll_remove_enter, osr_name); | |
2908 | if (_check_replay_guard(ocid, oid, spos) > 0) | |
2909 | r = _remove(ocid, oid, spos); | |
2910 | tracepoint(objectstore, coll_remove_exit, r); | |
2911 | } | |
2912 | break; | |
2913 | ||
2914 | case Transaction::OP_COLL_MOVE: | |
2915 | { | |
2916 | // WARNING: this is deprecated and buggy; only here to replay old journals. | |
2917 | const coll_t &ocid = i.get_cid(op->cid); | |
2918 | const coll_t &ncid = i.get_cid(op->dest_cid); | |
2919 | const ghobject_t &oid = i.get_oid(op->oid); | |
2920 | tracepoint(objectstore, coll_move_enter); | |
2921 | r = _collection_add(ocid, ncid, oid, spos); | |
2922 | if (r == 0 && | |
2923 | (_check_replay_guard(ocid, oid, spos) > 0)) | |
2924 | r = _remove(ocid, oid, spos); | |
2925 | tracepoint(objectstore, coll_move_exit, r); | |
2926 | } | |
2927 | break; | |
2928 | ||
2929 | case Transaction::OP_COLL_MOVE_RENAME: | |
2930 | { | |
2931 | const coll_t &_oldcid = i.get_cid(op->cid); | |
2932 | const ghobject_t &oldoid = i.get_oid(op->oid); | |
2933 | const coll_t &_newcid = i.get_cid(op->dest_cid); | |
2934 | const ghobject_t &newoid = i.get_oid(op->dest_oid); | |
2935 | const coll_t &oldcid = !_need_temp_object_collection(_oldcid, oldoid) ? | |
2936 | _oldcid : _oldcid.get_temp(); | |
2937 | const coll_t &newcid = !_need_temp_object_collection(_newcid, newoid) ? | |
2938 | _oldcid : _newcid.get_temp(); | |
2939 | tracepoint(objectstore, coll_move_rename_enter); | |
2940 | r = _collection_move_rename(oldcid, oldoid, newcid, newoid, spos); | |
2941 | tracepoint(objectstore, coll_move_rename_exit, r); | |
2942 | } | |
2943 | break; | |
2944 | ||
2945 | case Transaction::OP_TRY_RENAME: | |
2946 | { | |
2947 | const coll_t &_cid = i.get_cid(op->cid); | |
2948 | const ghobject_t &oldoid = i.get_oid(op->oid); | |
2949 | const ghobject_t &newoid = i.get_oid(op->dest_oid); | |
2950 | const coll_t &oldcid = !_need_temp_object_collection(_cid, oldoid) ? | |
2951 | _cid : _cid.get_temp(); | |
2952 | const coll_t &newcid = !_need_temp_object_collection(_cid, newoid) ? | |
2953 | _cid : _cid.get_temp(); | |
2954 | tracepoint(objectstore, coll_try_rename_enter); | |
2955 | r = _collection_move_rename(oldcid, oldoid, newcid, newoid, spos, true); | |
2956 | tracepoint(objectstore, coll_try_rename_exit, r); | |
2957 | } | |
2958 | break; | |
2959 | ||
2960 | case Transaction::OP_COLL_SETATTR: | |
2961 | case Transaction::OP_COLL_RMATTR: | |
2962 | assert(0 == "collection attr methods no longer implemented"); | |
2963 | break; | |
2964 | ||
2965 | case Transaction::OP_STARTSYNC: | |
2966 | tracepoint(objectstore, startsync_enter, osr_name); | |
2967 | _start_sync(); | |
2968 | tracepoint(objectstore, startsync_exit); | |
2969 | break; | |
2970 | ||
2971 | case Transaction::OP_COLL_RENAME: | |
2972 | { | |
2973 | r = -EOPNOTSUPP; | |
2974 | } | |
2975 | break; | |
2976 | ||
2977 | case Transaction::OP_OMAP_CLEAR: | |
2978 | { | |
2979 | const coll_t &_cid = i.get_cid(op->cid); | |
2980 | const ghobject_t &oid = i.get_oid(op->oid); | |
2981 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2982 | _cid : _cid.get_temp(); | |
2983 | tracepoint(objectstore, omap_clear_enter, osr_name); | |
2984 | r = _omap_clear(cid, oid, spos); | |
2985 | tracepoint(objectstore, omap_clear_exit, r); | |
2986 | } | |
2987 | break; | |
2988 | case Transaction::OP_OMAP_SETKEYS: | |
2989 | { | |
2990 | const coll_t &_cid = i.get_cid(op->cid); | |
2991 | const ghobject_t &oid = i.get_oid(op->oid); | |
2992 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2993 | _cid : _cid.get_temp(); | |
2994 | map<string, bufferlist> aset; | |
2995 | i.decode_attrset(aset); | |
2996 | tracepoint(objectstore, omap_setkeys_enter, osr_name); | |
2997 | r = _omap_setkeys(cid, oid, aset, spos); | |
2998 | tracepoint(objectstore, omap_setkeys_exit, r); | |
2999 | } | |
3000 | break; | |
3001 | case Transaction::OP_OMAP_RMKEYS: | |
3002 | { | |
3003 | const coll_t &_cid = i.get_cid(op->cid); | |
3004 | const ghobject_t &oid = i.get_oid(op->oid); | |
3005 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3006 | _cid : _cid.get_temp(); | |
3007 | set<string> keys; | |
3008 | i.decode_keyset(keys); | |
3009 | tracepoint(objectstore, omap_rmkeys_enter, osr_name); | |
3010 | r = _omap_rmkeys(cid, oid, keys, spos); | |
3011 | tracepoint(objectstore, omap_rmkeys_exit, r); | |
3012 | } | |
3013 | break; | |
3014 | case Transaction::OP_OMAP_RMKEYRANGE: | |
3015 | { | |
3016 | const coll_t &_cid = i.get_cid(op->cid); | |
3017 | const ghobject_t &oid = i.get_oid(op->oid); | |
3018 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3019 | _cid : _cid.get_temp(); | |
3020 | string first, last; | |
3021 | first = i.decode_string(); | |
3022 | last = i.decode_string(); | |
3023 | tracepoint(objectstore, omap_rmkeyrange_enter, osr_name); | |
3024 | r = _omap_rmkeyrange(cid, oid, first, last, spos); | |
3025 | tracepoint(objectstore, omap_rmkeyrange_exit, r); | |
3026 | } | |
3027 | break; | |
3028 | case Transaction::OP_OMAP_SETHEADER: | |
3029 | { | |
3030 | const coll_t &_cid = i.get_cid(op->cid); | |
3031 | const ghobject_t &oid = i.get_oid(op->oid); | |
3032 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3033 | _cid : _cid.get_temp(); | |
3034 | bufferlist bl; | |
3035 | i.decode_bl(bl); | |
3036 | tracepoint(objectstore, omap_setheader_enter, osr_name); | |
3037 | r = _omap_setheader(cid, oid, bl, spos); | |
3038 | tracepoint(objectstore, omap_setheader_exit, r); | |
3039 | } | |
3040 | break; | |
3041 | case Transaction::OP_SPLIT_COLLECTION: | |
3042 | { | |
3043 | assert(0 == "not legacy journal; upgrade to firefly first"); | |
3044 | } | |
3045 | break; | |
3046 | case Transaction::OP_SPLIT_COLLECTION2: | |
3047 | { | |
3048 | coll_t cid = i.get_cid(op->cid); | |
3049 | uint32_t bits = op->split_bits; | |
3050 | uint32_t rem = op->split_rem; | |
3051 | coll_t dest = i.get_cid(op->dest_cid); | |
3052 | tracepoint(objectstore, split_coll2_enter, osr_name); | |
3053 | r = _split_collection(cid, bits, rem, dest, spos); | |
3054 | tracepoint(objectstore, split_coll2_exit, r); | |
3055 | } | |
3056 | break; | |
3057 | ||
3058 | case Transaction::OP_SETALLOCHINT: | |
3059 | { | |
3060 | const coll_t &_cid = i.get_cid(op->cid); | |
3061 | const ghobject_t &oid = i.get_oid(op->oid); | |
3062 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3063 | _cid : _cid.get_temp(); | |
3064 | uint64_t expected_object_size = op->expected_object_size; | |
3065 | uint64_t expected_write_size = op->expected_write_size; | |
3066 | tracepoint(objectstore, setallochint_enter, osr_name); | |
3067 | if (_check_replay_guard(cid, oid, spos) > 0) | |
3068 | r = _set_alloc_hint(cid, oid, expected_object_size, | |
3069 | expected_write_size); | |
3070 | tracepoint(objectstore, setallochint_exit, r); | |
3071 | } | |
3072 | break; | |
3073 | ||
3074 | default: | |
3075 | derr << "bad op " << op->op << dendl; | |
3076 | ceph_abort(); | |
3077 | } | |
3078 | ||
3079 | if (r < 0) { | |
3080 | bool ok = false; | |
3081 | ||
3082 | if (r == -ENOENT && !(op->op == Transaction::OP_CLONERANGE || | |
3083 | op->op == Transaction::OP_CLONE || | |
3084 | op->op == Transaction::OP_CLONERANGE2 || | |
3085 | op->op == Transaction::OP_COLL_ADD || | |
3086 | op->op == Transaction::OP_SETATTR || | |
3087 | op->op == Transaction::OP_SETATTRS || | |
3088 | op->op == Transaction::OP_RMATTR || | |
3089 | op->op == Transaction::OP_OMAP_SETKEYS || | |
3090 | op->op == Transaction::OP_OMAP_RMKEYS || | |
3091 | op->op == Transaction::OP_OMAP_RMKEYRANGE || | |
3092 | op->op == Transaction::OP_OMAP_SETHEADER)) | |
3093 | // -ENOENT is normally okay | |
3094 | // ...including on a replayed OP_RMCOLL with checkpoint mode | |
3095 | ok = true; | |
3096 | if (r == -ENODATA) | |
3097 | ok = true; | |
3098 | ||
3099 | if (op->op == Transaction::OP_SETALLOCHINT) | |
3100 | // Either EOPNOTSUPP or EINVAL most probably. EINVAL in most | |
3101 | // cases means invalid hint size (e.g. too big, not a multiple | |
3102 | // of block size, etc) or, at least on xfs, an attempt to set | |
3103 | // or change it when the file is not empty. However, | |
3104 | // OP_SETALLOCHINT is advisory, so ignore all errors. | |
3105 | ok = true; | |
3106 | ||
3107 | if (replaying && !backend->can_checkpoint()) { | |
3108 | if (r == -EEXIST && op->op == Transaction::OP_MKCOLL) { | |
3109 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3110 | ok = true; | |
3111 | } | |
3112 | if (r == -EEXIST && op->op == Transaction::OP_COLL_ADD) { | |
3113 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3114 | ok = true; | |
3115 | } | |
3116 | if (r == -EEXIST && op->op == Transaction::OP_COLL_MOVE) { | |
3117 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3118 | ok = true; | |
3119 | } | |
3120 | if (r == -ERANGE) { | |
3121 | dout(10) << "tolerating ERANGE on replay" << dendl; | |
3122 | ok = true; | |
3123 | } | |
3124 | if (r == -ENOENT) { | |
3125 | dout(10) << "tolerating ENOENT on replay" << dendl; | |
3126 | ok = true; | |
3127 | } | |
3128 | } | |
3129 | ||
3130 | if (!ok) { | |
3131 | const char *msg = "unexpected error code"; | |
3132 | ||
3133 | if (r == -ENOENT && (op->op == Transaction::OP_CLONERANGE || | |
3134 | op->op == Transaction::OP_CLONE || | |
3135 | op->op == Transaction::OP_CLONERANGE2)) { | |
3136 | msg = "ENOENT on clone suggests osd bug"; | |
3137 | } else if (r == -ENOSPC) { | |
3138 | // For now, if we hit _any_ ENOSPC, crash, before we do any damage | |
3139 | // by partially applying transactions. | |
3140 | msg = "ENOSPC from disk filesystem, misconfigured cluster"; | |
3141 | } else if (r == -ENOTEMPTY) { | |
3142 | msg = "ENOTEMPTY suggests garbage data in osd data dir"; | |
3143 | } else if (r == -EPERM) { | |
3144 | msg = "EPERM suggests file(s) in osd data dir not owned by ceph user, or leveldb corruption"; | |
3145 | } | |
3146 | ||
3147 | derr << " error " << cpp_strerror(r) << " not handled on operation " << op | |
3148 | << " (" << spos << ", or op " << spos.op << ", counting from 0)" << dendl; | |
3149 | dout(0) << msg << dendl; | |
3150 | dout(0) << " transaction dump:\n"; | |
3151 | JSONFormatter f(true); | |
3152 | f.open_object_section("transaction"); | |
3153 | t.dump(&f); | |
3154 | f.close_section(); | |
3155 | f.flush(*_dout); | |
3156 | *_dout << dendl; | |
3157 | ||
3158 | if (r == -EMFILE) { | |
3159 | dump_open_fds(cct); | |
3160 | } | |
3161 | ||
3162 | assert(0 == "unexpected error"); | |
3163 | } | |
3164 | } | |
3165 | ||
3166 | spos.op++; | |
3167 | } | |
3168 | ||
3169 | _inject_failure(); | |
3170 | } | |
3171 | ||
3172 | /*********************************************/ | |
3173 | ||
3174 | ||
3175 | ||
3176 | // -------------------- | |
3177 | // objects | |
3178 | ||
3179 | bool FileStore::exists(const coll_t& _cid, const ghobject_t& oid) | |
3180 | { | |
3181 | tracepoint(objectstore, exists_enter, _cid.c_str()); | |
3182 | const coll_t& cid = !_need_temp_object_collection(_cid, oid) ? _cid : _cid.get_temp(); | |
3183 | struct stat st; | |
3184 | bool retval = stat(cid, oid, &st) == 0; | |
3185 | tracepoint(objectstore, exists_exit, retval); | |
3186 | return retval; | |
3187 | } | |
3188 | ||
3189 | int FileStore::stat( | |
3190 | const coll_t& _cid, const ghobject_t& oid, struct stat *st, bool allow_eio) | |
3191 | { | |
3192 | tracepoint(objectstore, stat_enter, _cid.c_str()); | |
3193 | const coll_t& cid = !_need_temp_object_collection(_cid, oid) ? _cid : _cid.get_temp(); | |
3194 | int r = lfn_stat(cid, oid, st); | |
3195 | assert(allow_eio || !m_filestore_fail_eio || r != -EIO); | |
3196 | if (r < 0) { | |
31f18b77 | 3197 | dout(10) << __FUNC__ << ": " << cid << "/" << oid |
7c673cae FG |
3198 | << " = " << r << dendl; |
3199 | } else { | |
31f18b77 | 3200 | dout(10) << __FUNC__ << ": " << cid << "/" << oid |
7c673cae FG |
3201 | << " = " << r |
3202 | << " (size " << st->st_size << ")" << dendl; | |
3203 | } | |
3204 | if (cct->_conf->filestore_debug_inject_read_err && | |
3205 | debug_mdata_eio(oid)) { | |
3206 | return -EIO; | |
3207 | } else { | |
3208 | tracepoint(objectstore, stat_exit, r); | |
3209 | return r; | |
3210 | } | |
3211 | } | |
3212 | ||
3213 | int FileStore::set_collection_opts( | |
3214 | const coll_t& cid, | |
3215 | const pool_opts_t& opts) | |
3216 | { | |
3217 | return -EOPNOTSUPP; | |
3218 | } | |
3219 | ||
3220 | int FileStore::read( | |
3221 | const coll_t& _cid, | |
3222 | const ghobject_t& oid, | |
3223 | uint64_t offset, | |
3224 | size_t len, | |
3225 | bufferlist& bl, | |
224ce89b | 3226 | uint32_t op_flags) |
7c673cae FG |
3227 | { |
3228 | int got; | |
3229 | tracepoint(objectstore, read_enter, _cid.c_str(), offset, len); | |
3230 | const coll_t& cid = !_need_temp_object_collection(_cid, oid) ? _cid : _cid.get_temp(); | |
3231 | ||
31f18b77 | 3232 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3233 | |
3234 | FDRef fd; | |
3235 | int r = lfn_open(cid, oid, false, &fd); | |
3236 | if (r < 0) { | |
31f18b77 | 3237 | dout(10) << __FUNC__ << ": (" << cid << "/" << oid << ") open error: " |
7c673cae FG |
3238 | << cpp_strerror(r) << dendl; |
3239 | return r; | |
3240 | } | |
3241 | ||
3242 | if (offset == 0 && len == 0) { | |
3243 | struct stat st; | |
3244 | memset(&st, 0, sizeof(struct stat)); | |
3245 | int r = ::fstat(**fd, &st); | |
3246 | assert(r == 0); | |
3247 | len = st.st_size; | |
3248 | } | |
3249 | ||
3250 | #ifdef HAVE_POSIX_FADVISE | |
3251 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_RANDOM) | |
3252 | posix_fadvise(**fd, offset, len, POSIX_FADV_RANDOM); | |
3253 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL) | |
3254 | posix_fadvise(**fd, offset, len, POSIX_FADV_SEQUENTIAL); | |
3255 | #endif | |
3256 | ||
3257 | bufferptr bptr(len); // prealloc space for entire read | |
3258 | got = safe_pread(**fd, bptr.c_str(), len, offset); | |
3259 | if (got < 0) { | |
31f18b77 | 3260 | dout(10) << __FUNC__ << ": (" << cid << "/" << oid << ") pread error: " << cpp_strerror(got) << dendl; |
7c673cae | 3261 | lfn_close(fd); |
7c673cae FG |
3262 | return got; |
3263 | } | |
3264 | bptr.set_length(got); // properly size the buffer | |
3265 | bl.clear(); | |
3266 | bl.push_back(std::move(bptr)); // put it in the target bufferlist | |
3267 | ||
3268 | #ifdef HAVE_POSIX_FADVISE | |
3269 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED) | |
3270 | posix_fadvise(**fd, offset, len, POSIX_FADV_DONTNEED); | |
3271 | if (op_flags & (CEPH_OSD_OP_FLAG_FADVISE_RANDOM | CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL)) | |
3272 | posix_fadvise(**fd, offset, len, POSIX_FADV_NORMAL); | |
3273 | #endif | |
3274 | ||
3275 | if (m_filestore_sloppy_crc && (!replaying || backend->can_checkpoint())) { | |
3276 | ostringstream ss; | |
3277 | int errors = backend->_crc_verify_read(**fd, offset, got, bl, &ss); | |
3278 | if (errors != 0) { | |
31f18b77 | 3279 | dout(0) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" |
7c673cae FG |
3280 | << got << " ... BAD CRC:\n" << ss.str() << dendl; |
3281 | assert(0 == "bad crc on read"); | |
3282 | } | |
3283 | } | |
3284 | ||
3285 | lfn_close(fd); | |
3286 | ||
31f18b77 | 3287 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" |
7c673cae FG |
3288 | << got << "/" << len << dendl; |
3289 | if (cct->_conf->filestore_debug_inject_read_err && | |
3290 | debug_data_eio(oid)) { | |
3291 | return -EIO; | |
224ce89b WB |
3292 | } else if (cct->_conf->filestore_debug_random_read_err && |
3293 | (rand() % (int)(cct->_conf->filestore_debug_random_read_err * 100.0)) == 0) { | |
3294 | dout(0) << __func__ << ": inject random EIO" << dendl; | |
3295 | return -EIO; | |
7c673cae FG |
3296 | } else { |
3297 | tracepoint(objectstore, read_exit, got); | |
3298 | return got; | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | int FileStore::_do_fiemap(int fd, uint64_t offset, size_t len, | |
3303 | map<uint64_t, uint64_t> *m) | |
3304 | { | |
3305 | uint64_t i; | |
3306 | struct fiemap_extent *extent = NULL; | |
3307 | struct fiemap *fiemap = NULL; | |
3308 | int r = 0; | |
3309 | ||
3310 | more: | |
3311 | r = backend->do_fiemap(fd, offset, len, &fiemap); | |
3312 | if (r < 0) | |
3313 | return r; | |
3314 | ||
3315 | if (fiemap->fm_mapped_extents == 0) { | |
3316 | free(fiemap); | |
3317 | return r; | |
3318 | } | |
3319 | ||
3320 | extent = &fiemap->fm_extents[0]; | |
3321 | ||
3322 | /* start where we were asked to start */ | |
3323 | if (extent->fe_logical < offset) { | |
3324 | extent->fe_length -= offset - extent->fe_logical; | |
3325 | extent->fe_logical = offset; | |
3326 | } | |
3327 | ||
3328 | i = 0; | |
3329 | ||
3330 | struct fiemap_extent *last = nullptr; | |
3331 | while (i < fiemap->fm_mapped_extents) { | |
3332 | struct fiemap_extent *next = extent + 1; | |
3333 | ||
31f18b77 | 3334 | dout(10) << __FUNC__ << ": fm_mapped_extents=" << fiemap->fm_mapped_extents |
7c673cae FG |
3335 | << " fe_logical=" << extent->fe_logical << " fe_length=" << extent->fe_length << dendl; |
3336 | ||
3337 | /* try to merge extents */ | |
3338 | while ((i < fiemap->fm_mapped_extents - 1) && | |
3339 | (extent->fe_logical + extent->fe_length == next->fe_logical)) { | |
3340 | next->fe_length += extent->fe_length; | |
3341 | next->fe_logical = extent->fe_logical; | |
3342 | extent = next; | |
3343 | next = extent + 1; | |
3344 | i++; | |
3345 | } | |
3346 | ||
3347 | if (extent->fe_logical + extent->fe_length > offset + len) | |
3348 | extent->fe_length = offset + len - extent->fe_logical; | |
3349 | (*m)[extent->fe_logical] = extent->fe_length; | |
3350 | i++; | |
3351 | last = extent++; | |
3352 | } | |
3353 | uint64_t xoffset = last->fe_logical + last->fe_length - offset; | |
3354 | offset = last->fe_logical + last->fe_length; | |
3355 | len -= xoffset; | |
3356 | const bool is_last = (last->fe_flags & FIEMAP_EXTENT_LAST) || (len == 0); | |
3357 | free(fiemap); | |
3358 | if (!is_last) { | |
3359 | goto more; | |
3360 | } | |
3361 | ||
3362 | return r; | |
3363 | } | |
3364 | ||
3365 | int FileStore::_do_seek_hole_data(int fd, uint64_t offset, size_t len, | |
3366 | map<uint64_t, uint64_t> *m) | |
3367 | { | |
3368 | #if defined(__linux__) && defined(SEEK_HOLE) && defined(SEEK_DATA) | |
3369 | off_t hole_pos, data_pos; | |
3370 | int r = 0; | |
3371 | ||
3372 | // If lseek fails with errno setting to be ENXIO, this means the current | |
3373 | // file offset is beyond the end of the file. | |
3374 | off_t start = offset; | |
3375 | while(start < (off_t)(offset + len)) { | |
3376 | data_pos = lseek(fd, start, SEEK_DATA); | |
3377 | if (data_pos < 0) { | |
3378 | if (errno == ENXIO) | |
3379 | break; | |
3380 | else { | |
3381 | r = -errno; | |
3382 | dout(10) << "failed to lseek: " << cpp_strerror(r) << dendl; | |
3383 | return r; | |
3384 | } | |
3385 | } else if (data_pos > (off_t)(offset + len)) { | |
3386 | break; | |
3387 | } | |
3388 | ||
3389 | hole_pos = lseek(fd, data_pos, SEEK_HOLE); | |
3390 | if (hole_pos < 0) { | |
3391 | if (errno == ENXIO) { | |
3392 | break; | |
3393 | } else { | |
3394 | r = -errno; | |
3395 | dout(10) << "failed to lseek: " << cpp_strerror(r) << dendl; | |
3396 | return r; | |
3397 | } | |
3398 | } | |
3399 | ||
3400 | if (hole_pos >= (off_t)(offset + len)) { | |
3401 | (*m)[data_pos] = offset + len - data_pos; | |
3402 | break; | |
3403 | } | |
3404 | (*m)[data_pos] = hole_pos - data_pos; | |
3405 | start = hole_pos; | |
3406 | } | |
3407 | ||
3408 | return r; | |
3409 | #else | |
3410 | (*m)[offset] = len; | |
3411 | return 0; | |
3412 | #endif | |
3413 | } | |
3414 | ||
3415 | int FileStore::fiemap(const coll_t& _cid, const ghobject_t& oid, | |
3416 | uint64_t offset, size_t len, | |
3417 | bufferlist& bl) | |
3418 | { | |
3419 | map<uint64_t, uint64_t> exomap; | |
3420 | int r = fiemap(_cid, oid, offset, len, exomap); | |
3421 | if (r >= 0) { | |
3422 | ::encode(exomap, bl); | |
3423 | } | |
3424 | return r; | |
3425 | } | |
3426 | ||
3427 | int FileStore::fiemap(const coll_t& _cid, const ghobject_t& oid, | |
3428 | uint64_t offset, size_t len, | |
3429 | map<uint64_t, uint64_t>& destmap) | |
3430 | { | |
3431 | tracepoint(objectstore, fiemap_enter, _cid.c_str(), offset, len); | |
3432 | const coll_t& cid = !_need_temp_object_collection(_cid, oid) ? _cid : _cid.get_temp(); | |
3433 | destmap.clear(); | |
3434 | ||
3435 | if ((!backend->has_seek_data_hole() && !backend->has_fiemap()) || | |
3436 | len <= (size_t)m_filestore_fiemap_threshold) { | |
3437 | destmap[offset] = len; | |
3438 | return 0; | |
3439 | } | |
3440 | ||
31f18b77 | 3441 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3442 | |
3443 | FDRef fd; | |
3444 | ||
3445 | int r = lfn_open(cid, oid, false, &fd); | |
3446 | if (r < 0) { | |
3447 | dout(10) << "read couldn't open " << cid << "/" << oid << ": " << cpp_strerror(r) << dendl; | |
3448 | goto done; | |
3449 | } | |
3450 | ||
3451 | if (backend->has_seek_data_hole()) { | |
3452 | dout(15) << "seek_data/seek_hole " << cid << "/" << oid << " " << offset << "~" << len << dendl; | |
3453 | r = _do_seek_hole_data(**fd, offset, len, &destmap); | |
3454 | } else if (backend->has_fiemap()) { | |
3455 | dout(15) << "fiemap ioctl" << cid << "/" << oid << " " << offset << "~" << len << dendl; | |
3456 | r = _do_fiemap(**fd, offset, len, &destmap); | |
3457 | } | |
3458 | ||
3459 | lfn_close(fd); | |
3460 | ||
3461 | done: | |
3462 | ||
31f18b77 | 3463 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << r << " num_extents=" << destmap.size() << " " << destmap << dendl; |
7c673cae FG |
3464 | assert(!m_filestore_fail_eio || r != -EIO); |
3465 | tracepoint(objectstore, fiemap_exit, r); | |
3466 | return r; | |
3467 | } | |
3468 | ||
3469 | int FileStore::_remove(const coll_t& cid, const ghobject_t& oid, | |
3470 | const SequencerPosition &spos) | |
3471 | { | |
31f18b77 | 3472 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae | 3473 | int r = lfn_unlink(cid, oid, spos); |
31f18b77 | 3474 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
3475 | return r; |
3476 | } | |
3477 | ||
3478 | int FileStore::_truncate(const coll_t& cid, const ghobject_t& oid, uint64_t size) | |
3479 | { | |
31f18b77 | 3480 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " size " << size << dendl; |
7c673cae | 3481 | int r = lfn_truncate(cid, oid, size); |
31f18b77 | 3482 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " size " << size << " = " << r << dendl; |
7c673cae FG |
3483 | return r; |
3484 | } | |
3485 | ||
3486 | ||
3487 | int FileStore::_touch(const coll_t& cid, const ghobject_t& oid) | |
3488 | { | |
31f18b77 | 3489 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
3490 | |
3491 | FDRef fd; | |
3492 | int r = lfn_open(cid, oid, true, &fd); | |
3493 | if (r < 0) { | |
3494 | return r; | |
3495 | } else { | |
3496 | lfn_close(fd); | |
3497 | } | |
31f18b77 | 3498 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
3499 | return r; |
3500 | } | |
3501 | ||
3502 | int FileStore::_write(const coll_t& cid, const ghobject_t& oid, | |
3503 | uint64_t offset, size_t len, | |
3504 | const bufferlist& bl, uint32_t fadvise_flags) | |
3505 | { | |
31f18b77 | 3506 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3507 | int r; |
3508 | ||
3509 | FDRef fd; | |
3510 | r = lfn_open(cid, oid, true, &fd); | |
3511 | if (r < 0) { | |
31f18b77 | 3512 | dout(0) << __FUNC__ << ": couldn't open " << cid << "/" |
7c673cae FG |
3513 | << oid << ": " |
3514 | << cpp_strerror(r) << dendl; | |
3515 | goto out; | |
3516 | } | |
3517 | ||
3518 | // write | |
3519 | r = bl.write_fd(**fd, offset); | |
3520 | if (r < 0) { | |
31f18b77 | 3521 | derr << __FUNC__ << ": write_fd on " << cid << "/" << oid |
7c673cae FG |
3522 | << " error: " << cpp_strerror(r) << dendl; |
3523 | lfn_close(fd); | |
3524 | goto out; | |
3525 | } | |
3526 | r = bl.length(); | |
3527 | ||
3528 | if (r >= 0 && m_filestore_sloppy_crc) { | |
3529 | int rc = backend->_crc_update_write(**fd, offset, len, bl); | |
3530 | assert(rc >= 0); | |
3531 | } | |
3532 | ||
3533 | if (replaying || m_disable_wbthrottle) { | |
3534 | if (fadvise_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED) { | |
3535 | #ifdef HAVE_POSIX_FADVISE | |
3536 | posix_fadvise(**fd, 0, 0, POSIX_FADV_DONTNEED); | |
3537 | #endif | |
3538 | } | |
3539 | } else { | |
3540 | wbthrottle.queue_wb(fd, oid, offset, len, | |
3541 | fadvise_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED); | |
3542 | } | |
3543 | ||
3544 | lfn_close(fd); | |
3545 | ||
3546 | out: | |
31f18b77 | 3547 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << r << dendl; |
7c673cae FG |
3548 | return r; |
3549 | } | |
3550 | ||
3551 | int FileStore::_zero(const coll_t& cid, const ghobject_t& oid, uint64_t offset, size_t len) | |
3552 | { | |
31f18b77 | 3553 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3554 | int ret = 0; |
3555 | ||
3556 | if (cct->_conf->filestore_punch_hole) { | |
3557 | #ifdef CEPH_HAVE_FALLOCATE | |
3558 | # if !defined(DARWIN) && !defined(__FreeBSD__) | |
3559 | # ifdef FALLOC_FL_KEEP_SIZE | |
3560 | // first try to punch a hole. | |
3561 | FDRef fd; | |
3562 | ret = lfn_open(cid, oid, false, &fd); | |
3563 | if (ret < 0) { | |
3564 | goto out; | |
3565 | } | |
3566 | ||
3567 | struct stat st; | |
3568 | ret = ::fstat(**fd, &st); | |
3569 | if (ret < 0) { | |
3570 | ret = -errno; | |
3571 | lfn_close(fd); | |
3572 | goto out; | |
3573 | } | |
3574 | ||
3575 | // first try fallocate | |
3576 | ret = fallocate(**fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE, | |
3577 | offset, len); | |
3578 | if (ret < 0) { | |
3579 | ret = -errno; | |
3580 | } else { | |
b32b8144 FG |
3581 | // ensure we extend file size, if needed |
3582 | if (len > 0 && offset + len > (uint64_t)st.st_size) { | |
7c673cae FG |
3583 | ret = ::ftruncate(**fd, offset + len); |
3584 | if (ret < 0) { | |
3585 | ret = -errno; | |
3586 | lfn_close(fd); | |
3587 | goto out; | |
3588 | } | |
3589 | } | |
3590 | } | |
3591 | lfn_close(fd); | |
3592 | ||
3593 | if (ret >= 0 && m_filestore_sloppy_crc) { | |
3594 | int rc = backend->_crc_update_zero(**fd, offset, len); | |
3595 | assert(rc >= 0); | |
3596 | } | |
3597 | ||
3598 | if (ret == 0) | |
3599 | goto out; // yay! | |
3600 | if (ret != -EOPNOTSUPP) | |
3601 | goto out; // some other error | |
3602 | # endif | |
3603 | # endif | |
3604 | #endif | |
3605 | } | |
3606 | ||
3607 | // lame, kernel is old and doesn't support it. | |
3608 | // write zeros.. yuck! | |
31f18b77 | 3609 | dout(20) << __FUNC__ << ": falling back to writing zeros" << dendl; |
7c673cae FG |
3610 | { |
3611 | bufferlist bl; | |
3612 | bl.append_zero(len); | |
3613 | ret = _write(cid, oid, offset, len, bl); | |
3614 | } | |
3615 | ||
3616 | #ifdef CEPH_HAVE_FALLOCATE | |
3617 | # if !defined(DARWIN) && !defined(__FreeBSD__) | |
3618 | # ifdef FALLOC_FL_KEEP_SIZE | |
3619 | out: | |
3620 | # endif | |
3621 | # endif | |
3622 | #endif | |
31f18b77 | 3623 | dout(20) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << ret << dendl; |
7c673cae FG |
3624 | return ret; |
3625 | } | |
3626 | ||
3627 | int FileStore::_clone(const coll_t& cid, const ghobject_t& oldoid, const ghobject_t& newoid, | |
3628 | const SequencerPosition& spos) | |
3629 | { | |
31f18b77 | 3630 | dout(15) << __FUNC__ << ": " << cid << "/" << oldoid << " -> " << cid << "/" << newoid << dendl; |
7c673cae FG |
3631 | |
3632 | if (_check_replay_guard(cid, newoid, spos) < 0) | |
3633 | return 0; | |
3634 | ||
3635 | int r; | |
3636 | FDRef o, n; | |
3637 | { | |
3638 | Index index; | |
3639 | r = lfn_open(cid, oldoid, false, &o, &index); | |
3640 | if (r < 0) { | |
3641 | goto out2; | |
3642 | } | |
3643 | assert(NULL != (index.index)); | |
3644 | RWLock::WLocker l((index.index)->access_lock); | |
3645 | ||
3646 | r = lfn_open(cid, newoid, true, &n, &index); | |
3647 | if (r < 0) { | |
3648 | goto out; | |
3649 | } | |
3650 | r = ::ftruncate(**n, 0); | |
3651 | if (r < 0) { | |
3652 | r = -errno; | |
3653 | goto out3; | |
3654 | } | |
3655 | struct stat st; | |
3656 | r = ::fstat(**o, &st); | |
3657 | if (r < 0) { | |
3658 | r = -errno; | |
3659 | goto out3; | |
3660 | } | |
3661 | ||
3662 | r = _do_clone_range(**o, **n, 0, st.st_size, 0); | |
3663 | if (r < 0) { | |
3664 | goto out3; | |
3665 | } | |
3666 | ||
3667 | dout(20) << "objectmap clone" << dendl; | |
3668 | r = object_map->clone(oldoid, newoid, &spos); | |
3669 | if (r < 0 && r != -ENOENT) | |
3670 | goto out3; | |
3671 | } | |
3672 | ||
3673 | { | |
3674 | char buf[2]; | |
3675 | map<string, bufferptr> aset; | |
3676 | r = _fgetattrs(**o, aset); | |
3677 | if (r < 0) | |
3678 | goto out3; | |
3679 | ||
3680 | r = chain_fgetxattr(**o, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
3681 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
3682 | r = chain_fsetxattr<true, true>(**n, XATTR_SPILL_OUT_NAME, XATTR_NO_SPILL_OUT, | |
3683 | sizeof(XATTR_NO_SPILL_OUT)); | |
3684 | } else { | |
3685 | r = chain_fsetxattr<true, true>(**n, XATTR_SPILL_OUT_NAME, XATTR_SPILL_OUT, | |
3686 | sizeof(XATTR_SPILL_OUT)); | |
3687 | } | |
3688 | if (r < 0) | |
3689 | goto out3; | |
3690 | ||
3691 | r = _fsetattrs(**n, aset); | |
3692 | if (r < 0) | |
3693 | goto out3; | |
3694 | } | |
3695 | ||
3696 | // clone is non-idempotent; record our work. | |
3697 | _set_replay_guard(**n, spos, &newoid); | |
3698 | ||
3699 | out3: | |
3700 | lfn_close(n); | |
3701 | out: | |
3702 | lfn_close(o); | |
3703 | out2: | |
31f18b77 | 3704 | dout(10) << __FUNC__ << ": " << cid << "/" << oldoid << " -> " << cid << "/" << newoid << " = " << r << dendl; |
7c673cae FG |
3705 | assert(!m_filestore_fail_eio || r != -EIO); |
3706 | return r; | |
3707 | } | |
3708 | ||
3709 | int FileStore::_do_clone_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) | |
3710 | { | |
31f18b77 | 3711 | dout(20) << __FUNC__ << ": copy " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3712 | return backend->clone_range(from, to, srcoff, len, dstoff); |
3713 | } | |
3714 | ||
3715 | int FileStore::_do_sparse_copy_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) | |
3716 | { | |
31f18b77 | 3717 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3718 | int r = 0; |
3719 | map<uint64_t, uint64_t> exomap; | |
3720 | // fiemap doesn't allow zero length | |
3721 | if (len == 0) | |
3722 | return 0; | |
3723 | ||
3724 | if (backend->has_seek_data_hole()) { | |
3725 | dout(15) << "seek_data/seek_hole " << from << " " << srcoff << "~" << len << dendl; | |
3726 | r = _do_seek_hole_data(from, srcoff, len, &exomap); | |
3727 | } else if (backend->has_fiemap()) { | |
3728 | dout(15) << "fiemap ioctl" << from << " " << srcoff << "~" << len << dendl; | |
3729 | r = _do_fiemap(from, srcoff, len, &exomap); | |
3730 | } | |
3731 | ||
3732 | ||
3733 | int64_t written = 0; | |
3734 | if (r < 0) | |
3735 | goto out; | |
3736 | ||
3737 | for (map<uint64_t, uint64_t>::iterator miter = exomap.begin(); miter != exomap.end(); ++miter) { | |
3738 | uint64_t it_off = miter->first - srcoff + dstoff; | |
3739 | r = _do_copy_range(from, to, miter->first, miter->second, it_off, true); | |
3740 | if (r < 0) { | |
31f18b77 | 3741 | derr << __FUNC__ << ": copy error at " << miter->first << "~" << miter->second |
7c673cae FG |
3742 | << " to " << it_off << ", " << cpp_strerror(r) << dendl; |
3743 | break; | |
3744 | } | |
3745 | written += miter->second; | |
3746 | } | |
3747 | ||
3748 | if (r >= 0) { | |
3749 | if (m_filestore_sloppy_crc) { | |
3750 | int rc = backend->_crc_update_clone_range(from, to, srcoff, len, dstoff); | |
3751 | assert(rc >= 0); | |
3752 | } | |
3753 | struct stat st; | |
3754 | r = ::fstat(to, &st); | |
3755 | if (r < 0) { | |
3756 | r = -errno; | |
31f18b77 | 3757 | derr << __FUNC__ << ": fstat error at " << to << " " << cpp_strerror(r) << dendl; |
7c673cae FG |
3758 | goto out; |
3759 | } | |
3760 | if (st.st_size < (int)(dstoff + len)) { | |
3761 | r = ::ftruncate(to, dstoff + len); | |
3762 | if (r < 0) { | |
3763 | r = -errno; | |
31f18b77 | 3764 | derr << __FUNC__ << ": ftruncate error at " << dstoff+len << " " << cpp_strerror(r) << dendl; |
7c673cae FG |
3765 | goto out; |
3766 | } | |
3767 | } | |
3768 | r = written; | |
3769 | } | |
3770 | ||
3771 | out: | |
31f18b77 | 3772 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
7c673cae FG |
3773 | return r; |
3774 | } | |
3775 | ||
3776 | int FileStore::_do_copy_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff, bool skip_sloppycrc) | |
3777 | { | |
31f18b77 | 3778 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3779 | int r = 0; |
3780 | loff_t pos = srcoff; | |
3781 | loff_t end = srcoff + len; | |
3782 | int buflen = 4096 * 16; //limit by pipe max size.see fcntl | |
3783 | ||
3784 | #ifdef CEPH_HAVE_SPLICE | |
3785 | if (backend->has_splice()) { | |
3786 | int pipefd[2]; | |
3787 | if (pipe(pipefd) < 0) { | |
3788 | r = -errno; | |
3789 | derr << " pipe " << " got " << cpp_strerror(r) << dendl; | |
3790 | return r; | |
3791 | } | |
3792 | ||
3793 | loff_t dstpos = dstoff; | |
3794 | while (pos < end) { | |
3795 | int l = MIN(end-pos, buflen); | |
3796 | r = safe_splice(from, &pos, pipefd[1], NULL, l, SPLICE_F_NONBLOCK); | |
3797 | dout(10) << " safe_splice read from " << pos << "~" << l << " got " << r << dendl; | |
3798 | if (r < 0) { | |
31f18b77 | 3799 | derr << __FUNC__ << ": safe_splice read error at " << pos << "~" << len |
7c673cae FG |
3800 | << ", " << cpp_strerror(r) << dendl; |
3801 | break; | |
3802 | } | |
3803 | if (r == 0) { | |
3804 | // hrm, bad source range, wtf. | |
3805 | r = -ERANGE; | |
31f18b77 | 3806 | derr << __FUNC__ << ": got short read result at " << pos |
7c673cae FG |
3807 | << " of fd " << from << " len " << len << dendl; |
3808 | break; | |
3809 | } | |
3810 | ||
3811 | r = safe_splice(pipefd[0], NULL, to, &dstpos, r, 0); | |
3812 | dout(10) << " safe_splice write to " << to << " len " << r | |
3813 | << " got " << r << dendl; | |
3814 | if (r < 0) { | |
31f18b77 | 3815 | derr << __FUNC__ << ": write error at " << pos << "~" |
7c673cae FG |
3816 | << r << ", " << cpp_strerror(r) << dendl; |
3817 | break; | |
3818 | } | |
3819 | } | |
3820 | close(pipefd[0]); | |
3821 | close(pipefd[1]); | |
3822 | } else | |
3823 | #endif | |
3824 | { | |
3825 | int64_t actual; | |
3826 | ||
3827 | actual = ::lseek64(from, srcoff, SEEK_SET); | |
3828 | if (actual != (int64_t)srcoff) { | |
3829 | if (actual < 0) | |
3830 | r = -errno; | |
3831 | else | |
3832 | r = -EINVAL; | |
3833 | derr << "lseek64 to " << srcoff << " got " << cpp_strerror(r) << dendl; | |
3834 | return r; | |
3835 | } | |
3836 | actual = ::lseek64(to, dstoff, SEEK_SET); | |
3837 | if (actual != (int64_t)dstoff) { | |
3838 | if (actual < 0) | |
3839 | r = -errno; | |
3840 | else | |
3841 | r = -EINVAL; | |
3842 | derr << "lseek64 to " << dstoff << " got " << cpp_strerror(r) << dendl; | |
3843 | return r; | |
3844 | } | |
3845 | ||
3846 | char buf[buflen]; | |
3847 | while (pos < end) { | |
3848 | int l = MIN(end-pos, buflen); | |
3849 | r = ::read(from, buf, l); | |
3850 | dout(25) << " read from " << pos << "~" << l << " got " << r << dendl; | |
3851 | if (r < 0) { | |
3852 | if (errno == EINTR) { | |
3853 | continue; | |
3854 | } else { | |
3855 | r = -errno; | |
31f18b77 | 3856 | derr << __FUNC__ << ": read error at " << pos << "~" << len |
7c673cae FG |
3857 | << ", " << cpp_strerror(r) << dendl; |
3858 | break; | |
3859 | } | |
3860 | } | |
3861 | if (r == 0) { | |
3862 | // hrm, bad source range, wtf. | |
3863 | r = -ERANGE; | |
31f18b77 | 3864 | derr << __FUNC__ << ": got short read result at " << pos |
7c673cae FG |
3865 | << " of fd " << from << " len " << len << dendl; |
3866 | break; | |
3867 | } | |
3868 | int op = 0; | |
3869 | while (op < r) { | |
3870 | int r2 = safe_write(to, buf+op, r-op); | |
3871 | dout(25) << " write to " << to << " len " << (r-op) | |
3872 | << " got " << r2 << dendl; | |
3873 | if (r2 < 0) { | |
3874 | r = r2; | |
31f18b77 | 3875 | derr << __FUNC__ << ": write error at " << pos << "~" |
7c673cae FG |
3876 | << r-op << ", " << cpp_strerror(r) << dendl; |
3877 | ||
3878 | break; | |
3879 | } | |
3880 | op += (r-op); | |
3881 | } | |
3882 | if (r < 0) | |
3883 | break; | |
3884 | pos += r; | |
3885 | } | |
3886 | } | |
3887 | ||
3888 | if (r < 0 && replaying) { | |
3889 | assert(r == -ERANGE); | |
31f18b77 | 3890 | derr << __FUNC__ << ": short source tolerated because we are replaying" << dendl; |
7c673cae FG |
3891 | r = pos - from;; |
3892 | } | |
3893 | assert(replaying || pos == end); | |
3894 | if (r >= 0 && !skip_sloppycrc && m_filestore_sloppy_crc) { | |
3895 | int rc = backend->_crc_update_clone_range(from, to, srcoff, len, dstoff); | |
3896 | assert(rc >= 0); | |
3897 | } | |
31f18b77 | 3898 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
7c673cae FG |
3899 | return r; |
3900 | } | |
3901 | ||
3902 | int FileStore::_clone_range(const coll_t& oldcid, const ghobject_t& oldoid, const coll_t& newcid, const ghobject_t& newoid, | |
3903 | uint64_t srcoff, uint64_t len, uint64_t dstoff, | |
3904 | const SequencerPosition& spos) | |
3905 | { | |
31f18b77 | 3906 | dout(15) << __FUNC__ << ": " << oldcid << "/" << oldoid << " -> " << newcid << "/" << newoid << " " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3907 | |
3908 | if (_check_replay_guard(newcid, newoid, spos) < 0) | |
3909 | return 0; | |
3910 | ||
3911 | int r; | |
3912 | FDRef o, n; | |
3913 | r = lfn_open(oldcid, oldoid, false, &o); | |
3914 | if (r < 0) { | |
3915 | goto out2; | |
3916 | } | |
3917 | r = lfn_open(newcid, newoid, true, &n); | |
3918 | if (r < 0) { | |
3919 | goto out; | |
3920 | } | |
3921 | r = _do_clone_range(**o, **n, srcoff, len, dstoff); | |
3922 | if (r < 0) { | |
3923 | goto out3; | |
3924 | } | |
3925 | ||
3926 | // clone is non-idempotent; record our work. | |
3927 | _set_replay_guard(**n, spos, &newoid); | |
3928 | ||
3929 | out3: | |
3930 | lfn_close(n); | |
3931 | out: | |
3932 | lfn_close(o); | |
3933 | out2: | |
31f18b77 | 3934 | dout(10) << __FUNC__ << ": " << oldcid << "/" << oldoid << " -> " << newcid << "/" << newoid << " " |
7c673cae FG |
3935 | << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
3936 | return r; | |
3937 | } | |
3938 | ||
3939 | class SyncEntryTimeout : public Context { | |
3940 | public: | |
3941 | CephContext* cct; | |
3942 | explicit SyncEntryTimeout(CephContext* cct, int commit_timeo) | |
3943 | : cct(cct), m_commit_timeo(commit_timeo) | |
3944 | { | |
3945 | } | |
3946 | ||
3947 | void finish(int r) override { | |
3948 | BackTrace *bt = new BackTrace(1); | |
3949 | generic_dout(-1) << "FileStore: sync_entry timed out after " | |
3950 | << m_commit_timeo << " seconds.\n"; | |
3951 | bt->print(*_dout); | |
3952 | *_dout << dendl; | |
3953 | delete bt; | |
3954 | ceph_abort(); | |
3955 | } | |
3956 | private: | |
3957 | int m_commit_timeo; | |
3958 | }; | |
3959 | ||
3960 | void FileStore::sync_entry() | |
3961 | { | |
3962 | lock.Lock(); | |
3963 | while (!stop) { | |
3964 | utime_t max_interval; | |
3965 | max_interval.set_from_double(m_filestore_max_sync_interval); | |
3966 | utime_t min_interval; | |
3967 | min_interval.set_from_double(m_filestore_min_sync_interval); | |
3968 | ||
3969 | utime_t startwait = ceph_clock_now(); | |
3970 | if (!force_sync) { | |
31f18b77 | 3971 | dout(20) << __FUNC__ << ": waiting for max_interval " << max_interval << dendl; |
7c673cae FG |
3972 | sync_cond.WaitInterval(lock, max_interval); |
3973 | } else { | |
31f18b77 | 3974 | dout(20) << __FUNC__ << ": not waiting, force_sync set" << dendl; |
7c673cae FG |
3975 | } |
3976 | ||
3977 | if (force_sync) { | |
31f18b77 | 3978 | dout(20) << __FUNC__ << ": force_sync set" << dendl; |
7c673cae FG |
3979 | force_sync = false; |
3980 | } else if (stop) { | |
31f18b77 | 3981 | dout(20) << __FUNC__ << ": stop set" << dendl; |
7c673cae FG |
3982 | break; |
3983 | } else { | |
3984 | // wait for at least the min interval | |
3985 | utime_t woke = ceph_clock_now(); | |
3986 | woke -= startwait; | |
31f18b77 | 3987 | dout(20) << __FUNC__ << ": woke after " << woke << dendl; |
7c673cae FG |
3988 | if (woke < min_interval) { |
3989 | utime_t t = min_interval; | |
3990 | t -= woke; | |
31f18b77 | 3991 | dout(20) << __FUNC__ << ": waiting for another " << t |
7c673cae FG |
3992 | << " to reach min interval " << min_interval << dendl; |
3993 | sync_cond.WaitInterval(lock, t); | |
3994 | } | |
3995 | } | |
3996 | ||
3997 | list<Context*> fin; | |
3998 | again: | |
3999 | fin.swap(sync_waiters); | |
4000 | lock.Unlock(); | |
4001 | ||
4002 | op_tp.pause(); | |
4003 | if (apply_manager.commit_start()) { | |
4004 | utime_t start = ceph_clock_now(); | |
4005 | uint64_t cp = apply_manager.get_committing_seq(); | |
4006 | ||
4007 | sync_entry_timeo_lock.Lock(); | |
4008 | SyncEntryTimeout *sync_entry_timeo = | |
4009 | new SyncEntryTimeout(cct, m_filestore_commit_timeout); | |
224ce89b WB |
4010 | if (!timer.add_event_after(m_filestore_commit_timeout, |
4011 | sync_entry_timeo)) { | |
4012 | sync_entry_timeo = nullptr; | |
4013 | } | |
7c673cae FG |
4014 | sync_entry_timeo_lock.Unlock(); |
4015 | ||
4016 | logger->set(l_filestore_committing, 1); | |
4017 | ||
31f18b77 | 4018 | dout(15) << __FUNC__ << ": committing " << cp << dendl; |
7c673cae FG |
4019 | stringstream errstream; |
4020 | if (cct->_conf->filestore_debug_omap_check && !object_map->check(errstream)) { | |
4021 | derr << errstream.str() << dendl; | |
4022 | ceph_abort(); | |
4023 | } | |
4024 | ||
4025 | if (backend->can_checkpoint()) { | |
4026 | int err = write_op_seq(op_fd, cp); | |
4027 | if (err < 0) { | |
4028 | derr << "Error during write_op_seq: " << cpp_strerror(err) << dendl; | |
4029 | assert(0 == "error during write_op_seq"); | |
4030 | } | |
4031 | ||
4032 | char s[NAME_MAX]; | |
4033 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)cp); | |
4034 | uint64_t cid = 0; | |
4035 | err = backend->create_checkpoint(s, &cid); | |
4036 | if (err < 0) { | |
4037 | int err = errno; | |
4038 | derr << "snap create '" << s << "' got error " << err << dendl; | |
4039 | assert(err == 0); | |
4040 | } | |
4041 | ||
4042 | snaps.push_back(cp); | |
4043 | apply_manager.commit_started(); | |
4044 | op_tp.unpause(); | |
4045 | ||
4046 | if (cid > 0) { | |
4047 | dout(20) << " waiting for checkpoint " << cid << " to complete" << dendl; | |
4048 | err = backend->sync_checkpoint(cid); | |
4049 | if (err < 0) { | |
4050 | derr << "ioctl WAIT_SYNC got " << cpp_strerror(err) << dendl; | |
4051 | assert(0 == "wait_sync got error"); | |
4052 | } | |
4053 | dout(20) << " done waiting for checkpoint " << cid << " to complete" << dendl; | |
4054 | } | |
224ce89b | 4055 | } else { |
7c673cae FG |
4056 | apply_manager.commit_started(); |
4057 | op_tp.unpause(); | |
4058 | ||
4059 | int err = object_map->sync(); | |
4060 | if (err < 0) { | |
4061 | derr << "object_map sync got " << cpp_strerror(err) << dendl; | |
4062 | assert(0 == "object_map sync returned error"); | |
4063 | } | |
4064 | ||
4065 | err = backend->syncfs(); | |
4066 | if (err < 0) { | |
4067 | derr << "syncfs got " << cpp_strerror(err) << dendl; | |
4068 | assert(0 == "syncfs returned error"); | |
4069 | } | |
4070 | ||
4071 | err = write_op_seq(op_fd, cp); | |
4072 | if (err < 0) { | |
4073 | derr << "Error during write_op_seq: " << cpp_strerror(err) << dendl; | |
4074 | assert(0 == "error during write_op_seq"); | |
4075 | } | |
4076 | err = ::fsync(op_fd); | |
4077 | if (err < 0) { | |
4078 | derr << "Error during fsync of op_seq: " << cpp_strerror(err) << dendl; | |
4079 | assert(0 == "error during fsync of op_seq"); | |
4080 | } | |
4081 | } | |
4082 | ||
4083 | utime_t done = ceph_clock_now(); | |
4084 | utime_t lat = done - start; | |
4085 | utime_t dur = done - startwait; | |
31f18b77 | 4086 | dout(10) << __FUNC__ << ": commit took " << lat << ", interval was " << dur << dendl; |
224ce89b WB |
4087 | utime_t max_pause_lat = logger->tget(l_filestore_sync_pause_max_lat); |
4088 | if (max_pause_lat < dur - lat) { | |
4089 | logger->tinc(l_filestore_sync_pause_max_lat, dur - lat); | |
4090 | } | |
7c673cae FG |
4091 | |
4092 | logger->inc(l_filestore_commitcycle); | |
4093 | logger->tinc(l_filestore_commitcycle_latency, lat); | |
4094 | logger->tinc(l_filestore_commitcycle_interval, dur); | |
4095 | ||
4096 | apply_manager.commit_finish(); | |
4097 | if (!m_disable_wbthrottle) { | |
4098 | wbthrottle.clear(); | |
4099 | } | |
4100 | ||
4101 | logger->set(l_filestore_committing, 0); | |
4102 | ||
4103 | // remove old snaps? | |
4104 | if (backend->can_checkpoint()) { | |
4105 | char s[NAME_MAX]; | |
4106 | while (snaps.size() > 2) { | |
4107 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)snaps.front()); | |
4108 | snaps.pop_front(); | |
4109 | dout(10) << "removing snap '" << s << "'" << dendl; | |
4110 | int r = backend->destroy_checkpoint(s); | |
4111 | if (r) { | |
4112 | int err = errno; | |
4113 | derr << "unable to destroy snap '" << s << "' got " << cpp_strerror(err) << dendl; | |
4114 | } | |
4115 | } | |
4116 | } | |
4117 | ||
31f18b77 | 4118 | dout(15) << __FUNC__ << ": committed to op_seq " << cp << dendl; |
7c673cae | 4119 | |
224ce89b WB |
4120 | if (sync_entry_timeo) { |
4121 | Mutex::Locker lock(sync_entry_timeo_lock); | |
4122 | timer.cancel_event(sync_entry_timeo); | |
4123 | } | |
7c673cae FG |
4124 | } else { |
4125 | op_tp.unpause(); | |
4126 | } | |
4127 | ||
4128 | lock.Lock(); | |
4129 | finish_contexts(cct, fin, 0); | |
4130 | fin.clear(); | |
4131 | if (!sync_waiters.empty()) { | |
31f18b77 | 4132 | dout(10) << __FUNC__ << ": more waiters, committing again" << dendl; |
7c673cae FG |
4133 | goto again; |
4134 | } | |
4135 | if (!stop && journal && journal->should_commit_now()) { | |
31f18b77 | 4136 | dout(10) << __FUNC__ << ": journal says we should commit again (probably is/was full)" << dendl; |
7c673cae FG |
4137 | goto again; |
4138 | } | |
4139 | } | |
4140 | stop = false; | |
4141 | lock.Unlock(); | |
4142 | } | |
4143 | ||
4144 | void FileStore::_start_sync() | |
4145 | { | |
4146 | if (!journal) { // don't do a big sync if the journal is on | |
31f18b77 | 4147 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4148 | sync_cond.Signal(); |
4149 | } else { | |
31f18b77 | 4150 | dout(10) << __FUNC__ << ": - NOOP (journal is on)" << dendl; |
7c673cae FG |
4151 | } |
4152 | } | |
4153 | ||
4154 | void FileStore::do_force_sync() | |
4155 | { | |
31f18b77 | 4156 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4157 | Mutex::Locker l(lock); |
4158 | force_sync = true; | |
4159 | sync_cond.Signal(); | |
4160 | } | |
4161 | ||
4162 | void FileStore::start_sync(Context *onsafe) | |
4163 | { | |
4164 | Mutex::Locker l(lock); | |
4165 | sync_waiters.push_back(onsafe); | |
4166 | sync_cond.Signal(); | |
4167 | force_sync = true; | |
31f18b77 | 4168 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4169 | } |
4170 | ||
4171 | void FileStore::sync() | |
4172 | { | |
4173 | Mutex l("FileStore::sync"); | |
4174 | Cond c; | |
4175 | bool done; | |
4176 | C_SafeCond *fin = new C_SafeCond(&l, &c, &done); | |
4177 | ||
4178 | start_sync(fin); | |
4179 | ||
4180 | l.Lock(); | |
4181 | while (!done) { | |
4182 | dout(10) << "sync waiting" << dendl; | |
4183 | c.Wait(l); | |
4184 | } | |
4185 | l.Unlock(); | |
4186 | dout(10) << "sync done" << dendl; | |
4187 | } | |
4188 | ||
4189 | void FileStore::_flush_op_queue() | |
4190 | { | |
31f18b77 | 4191 | dout(10) << __FUNC__ << ": draining op tp" << dendl; |
7c673cae | 4192 | op_wq.drain(); |
31f18b77 | 4193 | dout(10) << __FUNC__ << ": waiting for apply finisher" << dendl; |
7c673cae FG |
4194 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { |
4195 | (*it)->wait_for_empty(); | |
4196 | } | |
4197 | } | |
4198 | ||
4199 | /* | |
4200 | * flush - make every queued write readable | |
4201 | */ | |
4202 | void FileStore::flush() | |
4203 | { | |
31f18b77 | 4204 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4205 | |
4206 | if (cct->_conf->filestore_blackhole) { | |
4207 | // wait forever | |
4208 | Mutex lock("FileStore::flush::lock"); | |
4209 | Cond cond; | |
4210 | lock.Lock(); | |
4211 | while (true) | |
4212 | cond.Wait(lock); | |
4213 | ceph_abort(); | |
4214 | } | |
4215 | ||
4216 | if (m_filestore_journal_writeahead) { | |
4217 | if (journal) | |
4218 | journal->flush(); | |
31f18b77 | 4219 | dout(10) << __FUNC__ << ": draining ondisk finisher" << dendl; |
7c673cae FG |
4220 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { |
4221 | (*it)->wait_for_empty(); | |
4222 | } | |
4223 | } | |
4224 | ||
4225 | _flush_op_queue(); | |
31f18b77 | 4226 | dout(10) << __FUNC__ << ": complete" << dendl; |
7c673cae FG |
4227 | } |
4228 | ||
4229 | /* | |
4230 | * sync_and_flush - make every queued write readable AND committed to disk | |
4231 | */ | |
4232 | void FileStore::sync_and_flush() | |
4233 | { | |
31f18b77 | 4234 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4235 | |
4236 | if (m_filestore_journal_writeahead) { | |
4237 | if (journal) | |
4238 | journal->flush(); | |
4239 | _flush_op_queue(); | |
4240 | } else { | |
4241 | // includes m_filestore_journal_parallel | |
4242 | _flush_op_queue(); | |
4243 | sync(); | |
4244 | } | |
31f18b77 | 4245 | dout(10) << __FUNC__ << ": done" << dendl; |
7c673cae FG |
4246 | } |
4247 | ||
4248 | int FileStore::flush_journal() | |
4249 | { | |
31f18b77 | 4250 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4251 | sync_and_flush(); |
4252 | sync(); | |
4253 | return 0; | |
4254 | } | |
4255 | ||
4256 | int FileStore::snapshot(const string& name) | |
4257 | { | |
31f18b77 | 4258 | dout(10) << __FUNC__ << ": " << name << dendl; |
7c673cae FG |
4259 | sync_and_flush(); |
4260 | ||
4261 | if (!backend->can_checkpoint()) { | |
31f18b77 | 4262 | dout(0) << __FUNC__ << ": " << name << " failed, not supported" << dendl; |
7c673cae FG |
4263 | return -EOPNOTSUPP; |
4264 | } | |
4265 | ||
4266 | char s[NAME_MAX]; | |
4267 | snprintf(s, sizeof(s), CLUSTER_SNAP_ITEM, name.c_str()); | |
4268 | ||
4269 | int r = backend->create_checkpoint(s, NULL); | |
4270 | if (r) { | |
31f18b77 | 4271 | derr << __FUNC__ << ": " << name << " failed: " << cpp_strerror(r) << dendl; |
7c673cae FG |
4272 | } |
4273 | ||
4274 | return r; | |
4275 | } | |
4276 | ||
4277 | // ------------------------------- | |
4278 | // attributes | |
4279 | ||
4280 | int FileStore::_fgetattr(int fd, const char *name, bufferptr& bp) | |
4281 | { | |
4282 | char val[CHAIN_XATTR_MAX_BLOCK_LEN]; | |
4283 | int l = chain_fgetxattr(fd, name, val, sizeof(val)); | |
4284 | if (l >= 0) { | |
4285 | bp = buffer::create(l); | |
4286 | memcpy(bp.c_str(), val, l); | |
4287 | } else if (l == -ERANGE) { | |
4288 | l = chain_fgetxattr(fd, name, 0, 0); | |
4289 | if (l > 0) { | |
4290 | bp = buffer::create(l); | |
4291 | l = chain_fgetxattr(fd, name, bp.c_str(), l); | |
4292 | } | |
4293 | } | |
4294 | assert(!m_filestore_fail_eio || l != -EIO); | |
4295 | return l; | |
4296 | } | |
4297 | ||
4298 | int FileStore::_fgetattrs(int fd, map<string,bufferptr>& aset) | |
4299 | { | |
4300 | // get attr list | |
4301 | char names1[100]; | |
4302 | int len = chain_flistxattr(fd, names1, sizeof(names1)-1); | |
4303 | char *names2 = 0; | |
4304 | char *name = 0; | |
4305 | if (len == -ERANGE) { | |
4306 | len = chain_flistxattr(fd, 0, 0); | |
4307 | if (len < 0) { | |
4308 | assert(!m_filestore_fail_eio || len != -EIO); | |
4309 | return len; | |
4310 | } | |
4311 | dout(10) << " -ERANGE, len is " << len << dendl; | |
4312 | names2 = new char[len+1]; | |
4313 | len = chain_flistxattr(fd, names2, len); | |
4314 | dout(10) << " -ERANGE, got " << len << dendl; | |
4315 | if (len < 0) { | |
4316 | assert(!m_filestore_fail_eio || len != -EIO); | |
4317 | delete[] names2; | |
4318 | return len; | |
4319 | } | |
4320 | name = names2; | |
4321 | } else if (len < 0) { | |
4322 | assert(!m_filestore_fail_eio || len != -EIO); | |
4323 | return len; | |
4324 | } else { | |
4325 | name = names1; | |
4326 | } | |
4327 | name[len] = 0; | |
4328 | ||
4329 | char *end = name + len; | |
4330 | while (name < end) { | |
4331 | char *attrname = name; | |
4332 | if (parse_attrname(&name)) { | |
4333 | if (*name) { | |
31f18b77 | 4334 | dout(20) << __FUNC__ << ": " << fd << " getting '" << name << "'" << dendl; |
7c673cae FG |
4335 | int r = _fgetattr(fd, attrname, aset[name]); |
4336 | if (r < 0) { | |
4337 | delete[] names2; | |
4338 | return r; | |
4339 | } | |
4340 | } | |
4341 | } | |
4342 | name += strlen(name) + 1; | |
4343 | } | |
4344 | ||
4345 | delete[] names2; | |
4346 | return 0; | |
4347 | } | |
4348 | ||
4349 | int FileStore::_fsetattrs(int fd, map<string, bufferptr> &aset) | |
4350 | { | |
4351 | for (map<string, bufferptr>::iterator p = aset.begin(); | |
4352 | p != aset.end(); | |
4353 | ++p) { | |
4354 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4355 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4356 | const char *val; | |
4357 | if (p->second.length()) | |
4358 | val = p->second.c_str(); | |
4359 | else | |
4360 | val = ""; | |
4361 | // ??? Why do we skip setting all the other attrs if one fails? | |
4362 | int r = chain_fsetxattr(fd, n, val, p->second.length()); | |
4363 | if (r < 0) { | |
31f18b77 | 4364 | derr << __FUNC__ << ": chain_setxattr returned " << r << dendl; |
7c673cae FG |
4365 | return r; |
4366 | } | |
4367 | } | |
4368 | return 0; | |
4369 | } | |
4370 | ||
4371 | // debug EIO injection | |
4372 | void FileStore::inject_data_error(const ghobject_t &oid) { | |
4373 | Mutex::Locker l(read_error_lock); | |
31f18b77 | 4374 | dout(10) << __FUNC__ << ": init error on " << oid << dendl; |
7c673cae FG |
4375 | data_error_set.insert(oid); |
4376 | } | |
4377 | void FileStore::inject_mdata_error(const ghobject_t &oid) { | |
4378 | Mutex::Locker l(read_error_lock); | |
31f18b77 | 4379 | dout(10) << __FUNC__ << ": init error on " << oid << dendl; |
7c673cae FG |
4380 | mdata_error_set.insert(oid); |
4381 | } | |
224ce89b | 4382 | |
7c673cae FG |
4383 | void FileStore::debug_obj_on_delete(const ghobject_t &oid) { |
4384 | Mutex::Locker l(read_error_lock); | |
31f18b77 | 4385 | dout(10) << __FUNC__ << ": clear error on " << oid << dendl; |
7c673cae FG |
4386 | data_error_set.erase(oid); |
4387 | mdata_error_set.erase(oid); | |
4388 | } | |
4389 | bool FileStore::debug_data_eio(const ghobject_t &oid) { | |
4390 | Mutex::Locker l(read_error_lock); | |
4391 | if (data_error_set.count(oid)) { | |
31f18b77 | 4392 | dout(10) << __FUNC__ << ": inject error on " << oid << dendl; |
7c673cae FG |
4393 | return true; |
4394 | } else { | |
4395 | return false; | |
4396 | } | |
4397 | } | |
4398 | bool FileStore::debug_mdata_eio(const ghobject_t &oid) { | |
4399 | Mutex::Locker l(read_error_lock); | |
4400 | if (mdata_error_set.count(oid)) { | |
31f18b77 | 4401 | dout(10) << __FUNC__ << ": inject error on " << oid << dendl; |
7c673cae FG |
4402 | return true; |
4403 | } else { | |
4404 | return false; | |
4405 | } | |
4406 | } | |
4407 | ||
4408 | ||
4409 | // objects | |
4410 | ||
4411 | int FileStore::getattr(const coll_t& _cid, const ghobject_t& oid, const char *name, bufferptr &bp) | |
4412 | { | |
4413 | tracepoint(objectstore, getattr_enter, _cid.c_str()); | |
4414 | const coll_t& cid = !_need_temp_object_collection(_cid, oid) ? _cid : _cid.get_temp(); | |
31f18b77 | 4415 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "'" << dendl; |
7c673cae FG |
4416 | FDRef fd; |
4417 | int r = lfn_open(cid, oid, false, &fd); | |
4418 | if (r < 0) { | |
4419 | goto out; | |
4420 | } | |
4421 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4422 | get_attrname(name, n, CHAIN_XATTR_MAX_NAME_LEN); | |
4423 | r = _fgetattr(**fd, n, bp); | |
4424 | lfn_close(fd); | |
4425 | if (r == -ENODATA) { | |
4426 | map<string, bufferlist> got; | |
4427 | set<string> to_get; | |
4428 | to_get.insert(string(name)); | |
4429 | Index index; | |
4430 | r = get_index(cid, &index); | |
4431 | if (r < 0) { | |
31f18b77 | 4432 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4433 | goto out; |
4434 | } | |
4435 | r = object_map->get_xattrs(oid, to_get, &got); | |
4436 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4437 | dout(10) << __FUNC__ << ": get_xattrs err r =" << r << dendl; |
7c673cae FG |
4438 | goto out; |
4439 | } | |
4440 | if (got.empty()) { | |
31f18b77 | 4441 | dout(10) << __FUNC__ << ": got.size() is 0" << dendl; |
7c673cae FG |
4442 | return -ENODATA; |
4443 | } | |
4444 | bp = bufferptr(got.begin()->second.c_str(), | |
4445 | got.begin()->second.length()); | |
4446 | r = bp.length(); | |
4447 | } | |
4448 | out: | |
31f18b77 | 4449 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "' = " << r << dendl; |
7c673cae FG |
4450 | assert(!m_filestore_fail_eio || r != -EIO); |
4451 | if (cct->_conf->filestore_debug_inject_read_err && | |
4452 | debug_mdata_eio(oid)) { | |
4453 | return -EIO; | |
4454 | } else { | |
4455 | tracepoint(objectstore, getattr_exit, r); | |
4456 | return r < 0 ? r : 0; | |
4457 | } | |
4458 | } | |
4459 | ||
4460 | int FileStore::getattrs(const coll_t& _cid, const ghobject_t& oid, map<string,bufferptr>& aset) | |
4461 | { | |
4462 | tracepoint(objectstore, getattrs_enter, _cid.c_str()); | |
4463 | const coll_t& cid = !_need_temp_object_collection(_cid, oid) ? _cid : _cid.get_temp(); | |
4464 | set<string> omap_attrs; | |
4465 | map<string, bufferlist> omap_aset; | |
4466 | Index index; | |
31f18b77 | 4467 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
4468 | FDRef fd; |
4469 | bool spill_out = true; | |
4470 | char buf[2]; | |
4471 | ||
4472 | int r = lfn_open(cid, oid, false, &fd); | |
4473 | if (r < 0) { | |
4474 | goto out; | |
4475 | } | |
4476 | ||
4477 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4478 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) | |
4479 | spill_out = false; | |
4480 | ||
4481 | r = _fgetattrs(**fd, aset); | |
4482 | lfn_close(fd); | |
4483 | fd = FDRef(); // defensive | |
4484 | if (r < 0) { | |
4485 | goto out; | |
4486 | } | |
4487 | ||
4488 | if (!spill_out) { | |
31f18b77 | 4489 | dout(10) << __FUNC__ << ": no xattr exists in object_map r = " << r << dendl; |
7c673cae FG |
4490 | goto out; |
4491 | } | |
4492 | ||
4493 | r = get_index(cid, &index); | |
4494 | if (r < 0) { | |
31f18b77 | 4495 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4496 | goto out; |
4497 | } | |
4498 | { | |
4499 | r = object_map->get_all_xattrs(oid, &omap_attrs); | |
4500 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4501 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4502 | goto out; |
4503 | } | |
4504 | ||
4505 | r = object_map->get_xattrs(oid, omap_attrs, &omap_aset); | |
4506 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4507 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4508 | goto out; |
4509 | } | |
4510 | if (r == -ENOENT) | |
4511 | r = 0; | |
4512 | } | |
4513 | assert(omap_attrs.size() == omap_aset.size()); | |
4514 | for (map<string, bufferlist>::iterator i = omap_aset.begin(); | |
4515 | i != omap_aset.end(); | |
4516 | ++i) { | |
4517 | string key(i->first); | |
4518 | aset.insert(make_pair(key, | |
4519 | bufferptr(i->second.c_str(), i->second.length()))); | |
4520 | } | |
4521 | out: | |
31f18b77 | 4522 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4523 | assert(!m_filestore_fail_eio || r != -EIO); |
4524 | ||
4525 | if (cct->_conf->filestore_debug_inject_read_err && | |
4526 | debug_mdata_eio(oid)) { | |
4527 | return -EIO; | |
4528 | } else { | |
4529 | tracepoint(objectstore, getattrs_exit, r); | |
4530 | return r; | |
4531 | } | |
4532 | } | |
4533 | ||
4534 | int FileStore::_setattrs(const coll_t& cid, const ghobject_t& oid, map<string,bufferptr>& aset, | |
4535 | const SequencerPosition &spos) | |
4536 | { | |
4537 | map<string, bufferlist> omap_set; | |
4538 | set<string> omap_remove; | |
4539 | map<string, bufferptr> inline_set; | |
4540 | map<string, bufferptr> inline_to_set; | |
4541 | FDRef fd; | |
4542 | int spill_out = -1; | |
4543 | bool incomplete_inline = false; | |
4544 | ||
4545 | int r = lfn_open(cid, oid, false, &fd); | |
4546 | if (r < 0) { | |
4547 | goto out; | |
4548 | } | |
4549 | ||
4550 | char buf[2]; | |
4551 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4552 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) | |
4553 | spill_out = 0; | |
4554 | else | |
4555 | spill_out = 1; | |
4556 | ||
4557 | r = _fgetattrs(**fd, inline_set); | |
4558 | incomplete_inline = (r == -E2BIG); | |
4559 | assert(!m_filestore_fail_eio || r != -EIO); | |
31f18b77 | 4560 | dout(15) << __FUNC__ << ": " << cid << "/" << oid |
7c673cae FG |
4561 | << (incomplete_inline ? " (incomplete_inline, forcing omap)" : "") |
4562 | << dendl; | |
4563 | ||
4564 | for (map<string,bufferptr>::iterator p = aset.begin(); | |
4565 | p != aset.end(); | |
4566 | ++p) { | |
4567 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4568 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4569 | ||
4570 | if (incomplete_inline) { | |
4571 | chain_fremovexattr(**fd, n); // ignore any error | |
4572 | omap_set[p->first].push_back(p->second); | |
4573 | continue; | |
4574 | } | |
4575 | ||
4576 | if (p->second.length() > m_filestore_max_inline_xattr_size) { | |
4577 | if (inline_set.count(p->first)) { | |
4578 | inline_set.erase(p->first); | |
4579 | r = chain_fremovexattr(**fd, n); | |
4580 | if (r < 0) | |
4581 | goto out_close; | |
4582 | } | |
4583 | omap_set[p->first].push_back(p->second); | |
4584 | continue; | |
4585 | } | |
4586 | ||
4587 | if (!inline_set.count(p->first) && | |
4588 | inline_set.size() >= m_filestore_max_inline_xattrs) { | |
4589 | omap_set[p->first].push_back(p->second); | |
4590 | continue; | |
4591 | } | |
4592 | omap_remove.insert(p->first); | |
4593 | inline_set.insert(*p); | |
4594 | ||
4595 | inline_to_set.insert(*p); | |
4596 | } | |
4597 | ||
4598 | if (spill_out != 1 && !omap_set.empty()) { | |
4599 | chain_fsetxattr(**fd, XATTR_SPILL_OUT_NAME, XATTR_SPILL_OUT, | |
4600 | sizeof(XATTR_SPILL_OUT)); | |
4601 | } | |
4602 | ||
4603 | r = _fsetattrs(**fd, inline_to_set); | |
4604 | if (r < 0) | |
4605 | goto out_close; | |
4606 | ||
4607 | if (spill_out && !omap_remove.empty()) { | |
4608 | r = object_map->remove_xattrs(oid, omap_remove, &spos); | |
4609 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4610 | dout(10) << __FUNC__ << ": could not remove_xattrs r = " << r << dendl; |
7c673cae FG |
4611 | assert(!m_filestore_fail_eio || r != -EIO); |
4612 | goto out_close; | |
4613 | } else { | |
4614 | r = 0; // don't confuse the debug output | |
4615 | } | |
4616 | } | |
4617 | ||
4618 | if (!omap_set.empty()) { | |
4619 | r = object_map->set_xattrs(oid, omap_set, &spos); | |
4620 | if (r < 0) { | |
31f18b77 | 4621 | dout(10) << __FUNC__ << ": could not set_xattrs r = " << r << dendl; |
7c673cae FG |
4622 | assert(!m_filestore_fail_eio || r != -EIO); |
4623 | goto out_close; | |
4624 | } | |
4625 | } | |
4626 | out_close: | |
4627 | lfn_close(fd); | |
4628 | out: | |
31f18b77 | 4629 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4630 | return r; |
4631 | } | |
4632 | ||
4633 | ||
4634 | int FileStore::_rmattr(const coll_t& cid, const ghobject_t& oid, const char *name, | |
4635 | const SequencerPosition &spos) | |
4636 | { | |
31f18b77 | 4637 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "'" << dendl; |
7c673cae FG |
4638 | FDRef fd; |
4639 | bool spill_out = true; | |
4640 | ||
4641 | int r = lfn_open(cid, oid, false, &fd); | |
4642 | if (r < 0) { | |
4643 | goto out; | |
4644 | } | |
4645 | ||
4646 | char buf[2]; | |
4647 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4648 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
4649 | spill_out = false; | |
4650 | } | |
4651 | ||
4652 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4653 | get_attrname(name, n, CHAIN_XATTR_MAX_NAME_LEN); | |
4654 | r = chain_fremovexattr(**fd, n); | |
4655 | if (r == -ENODATA && spill_out) { | |
4656 | Index index; | |
4657 | r = get_index(cid, &index); | |
4658 | if (r < 0) { | |
31f18b77 | 4659 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4660 | goto out_close; |
4661 | } | |
4662 | set<string> to_remove; | |
4663 | to_remove.insert(string(name)); | |
4664 | r = object_map->remove_xattrs(oid, to_remove, &spos); | |
4665 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4666 | dout(10) << __FUNC__ << ": could not remove_xattrs index r = " << r << dendl; |
7c673cae FG |
4667 | assert(!m_filestore_fail_eio || r != -EIO); |
4668 | goto out_close; | |
4669 | } | |
4670 | } | |
4671 | out_close: | |
4672 | lfn_close(fd); | |
4673 | out: | |
31f18b77 | 4674 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "' = " << r << dendl; |
7c673cae FG |
4675 | return r; |
4676 | } | |
4677 | ||
4678 | int FileStore::_rmattrs(const coll_t& cid, const ghobject_t& oid, | |
4679 | const SequencerPosition &spos) | |
4680 | { | |
31f18b77 | 4681 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
4682 | |
4683 | map<string,bufferptr> aset; | |
4684 | FDRef fd; | |
4685 | set<string> omap_attrs; | |
4686 | Index index; | |
4687 | bool spill_out = true; | |
4688 | ||
4689 | int r = lfn_open(cid, oid, false, &fd); | |
4690 | if (r < 0) { | |
4691 | goto out; | |
4692 | } | |
4693 | ||
4694 | char buf[2]; | |
4695 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4696 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
4697 | spill_out = false; | |
4698 | } | |
4699 | ||
4700 | r = _fgetattrs(**fd, aset); | |
4701 | if (r >= 0) { | |
4702 | for (map<string,bufferptr>::iterator p = aset.begin(); p != aset.end(); ++p) { | |
4703 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4704 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4705 | r = chain_fremovexattr(**fd, n); | |
4706 | if (r < 0) { | |
31f18b77 | 4707 | dout(10) << __FUNC__ << ": could not remove xattr r = " << r << dendl; |
7c673cae FG |
4708 | goto out_close; |
4709 | } | |
4710 | } | |
4711 | } | |
4712 | ||
4713 | if (!spill_out) { | |
31f18b77 | 4714 | dout(10) << __FUNC__ << ": no xattr exists in object_map r = " << r << dendl; |
7c673cae FG |
4715 | goto out_close; |
4716 | } | |
4717 | ||
4718 | r = get_index(cid, &index); | |
4719 | if (r < 0) { | |
31f18b77 | 4720 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4721 | goto out_close; |
4722 | } | |
4723 | { | |
4724 | r = object_map->get_all_xattrs(oid, &omap_attrs); | |
4725 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4726 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4727 | assert(!m_filestore_fail_eio || r != -EIO); |
4728 | goto out_close; | |
4729 | } | |
4730 | r = object_map->remove_xattrs(oid, omap_attrs, &spos); | |
4731 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4732 | dout(10) << __FUNC__ << ": could not remove omap_attrs r = " << r << dendl; |
7c673cae FG |
4733 | goto out_close; |
4734 | } | |
4735 | if (r == -ENOENT) | |
4736 | r = 0; | |
4737 | chain_fsetxattr(**fd, XATTR_SPILL_OUT_NAME, XATTR_NO_SPILL_OUT, | |
4738 | sizeof(XATTR_NO_SPILL_OUT)); | |
4739 | } | |
4740 | ||
4741 | out_close: | |
4742 | lfn_close(fd); | |
4743 | out: | |
31f18b77 | 4744 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4745 | return r; |
4746 | } | |
4747 | ||
4748 | ||
4749 | ||
4750 | ||
4751 | int FileStore::_collection_remove_recursive(const coll_t &cid, | |
4752 | const SequencerPosition &spos) | |
4753 | { | |
4754 | struct stat st; | |
4755 | int r = collection_stat(cid, &st); | |
4756 | if (r < 0) { | |
4757 | if (r == -ENOENT) | |
4758 | return 0; | |
4759 | return r; | |
4760 | } | |
4761 | ||
4762 | vector<ghobject_t> objects; | |
4763 | ghobject_t max; | |
4764 | while (!max.is_max()) { | |
4765 | r = collection_list(cid, max, ghobject_t::get_max(), | |
4766 | 300, &objects, &max); | |
4767 | if (r < 0) | |
4768 | return r; | |
4769 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
4770 | i != objects.end(); | |
4771 | ++i) { | |
4772 | assert(_check_replay_guard(cid, *i, spos)); | |
4773 | r = _remove(cid, *i, spos); | |
4774 | if (r < 0) | |
4775 | return r; | |
4776 | } | |
4777 | objects.clear(); | |
4778 | } | |
4779 | return _destroy_collection(cid); | |
4780 | } | |
4781 | ||
4782 | // -------------------------- | |
4783 | // collections | |
4784 | ||
4785 | int FileStore::list_collections(vector<coll_t>& ls) | |
4786 | { | |
4787 | return list_collections(ls, false); | |
4788 | } | |
4789 | ||
4790 | int FileStore::list_collections(vector<coll_t>& ls, bool include_temp) | |
4791 | { | |
4792 | tracepoint(objectstore, list_collections_enter); | |
31f18b77 | 4793 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4794 | |
4795 | char fn[PATH_MAX]; | |
4796 | snprintf(fn, sizeof(fn), "%s/current", basedir.c_str()); | |
4797 | ||
4798 | int r = 0; | |
4799 | DIR *dir = ::opendir(fn); | |
4800 | if (!dir) { | |
4801 | r = -errno; | |
4802 | derr << "tried opening directory " << fn << ": " << cpp_strerror(-r) << dendl; | |
4803 | assert(!m_filestore_fail_eio || r != -EIO); | |
4804 | return r; | |
4805 | } | |
4806 | ||
4807 | struct dirent *de = nullptr; | |
4808 | while ((de = ::readdir(dir))) { | |
4809 | if (de->d_type == DT_UNKNOWN) { | |
4810 | // d_type not supported (non-ext[234], btrfs), must stat | |
4811 | struct stat sb; | |
4812 | char filename[PATH_MAX]; | |
4813 | snprintf(filename, sizeof(filename), "%s/%s", fn, de->d_name); | |
4814 | ||
4815 | r = ::stat(filename, &sb); | |
4816 | if (r < 0) { | |
4817 | r = -errno; | |
4818 | derr << "stat on " << filename << ": " << cpp_strerror(-r) << dendl; | |
4819 | assert(!m_filestore_fail_eio || r != -EIO); | |
4820 | break; | |
4821 | } | |
4822 | if (!S_ISDIR(sb.st_mode)) { | |
4823 | continue; | |
4824 | } | |
4825 | } else if (de->d_type != DT_DIR) { | |
4826 | continue; | |
4827 | } | |
4828 | if (strcmp(de->d_name, "omap") == 0) { | |
4829 | continue; | |
4830 | } | |
4831 | if (de->d_name[0] == '.' && | |
4832 | (de->d_name[1] == '\0' || | |
4833 | (de->d_name[1] == '.' && | |
4834 | de->d_name[2] == '\0'))) | |
4835 | continue; | |
4836 | coll_t cid; | |
4837 | if (!cid.parse(de->d_name)) { | |
4838 | derr << "ignoring invalid collection '" << de->d_name << "'" << dendl; | |
4839 | continue; | |
4840 | } | |
4841 | if (!cid.is_temp() || include_temp) | |
4842 | ls.push_back(cid); | |
4843 | } | |
4844 | ||
4845 | if (r > 0) { | |
4846 | derr << "trying readdir " << fn << ": " << cpp_strerror(r) << dendl; | |
4847 | r = -r; | |
4848 | } | |
4849 | ||
4850 | ::closedir(dir); | |
4851 | assert(!m_filestore_fail_eio || r != -EIO); | |
4852 | tracepoint(objectstore, list_collections_exit, r); | |
4853 | return r; | |
4854 | } | |
4855 | ||
4856 | int FileStore::collection_stat(const coll_t& c, struct stat *st) | |
4857 | { | |
4858 | tracepoint(objectstore, collection_stat_enter, c.c_str()); | |
4859 | char fn[PATH_MAX]; | |
4860 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 4861 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
4862 | int r = ::stat(fn, st); |
4863 | if (r < 0) | |
4864 | r = -errno; | |
31f18b77 | 4865 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
4866 | assert(!m_filestore_fail_eio || r != -EIO); |
4867 | tracepoint(objectstore, collection_stat_exit, r); | |
4868 | return r; | |
4869 | } | |
4870 | ||
4871 | bool FileStore::collection_exists(const coll_t& c) | |
4872 | { | |
4873 | tracepoint(objectstore, collection_exists_enter, c.c_str()); | |
4874 | struct stat st; | |
4875 | bool ret = collection_stat(c, &st) == 0; | |
4876 | tracepoint(objectstore, collection_exists_exit, ret); | |
4877 | return ret; | |
4878 | } | |
4879 | ||
4880 | int FileStore::collection_empty(const coll_t& c, bool *empty) | |
4881 | { | |
4882 | tracepoint(objectstore, collection_empty_enter, c.c_str()); | |
31f18b77 | 4883 | dout(15) << __FUNC__ << ": " << c << dendl; |
7c673cae FG |
4884 | Index index; |
4885 | int r = get_index(c, &index); | |
4886 | if (r < 0) { | |
31f18b77 | 4887 | derr << __FUNC__ << ": get_index returned: " << cpp_strerror(r) |
7c673cae FG |
4888 | << dendl; |
4889 | return r; | |
4890 | } | |
4891 | ||
4892 | assert(NULL != index.index); | |
4893 | RWLock::RLocker l((index.index)->access_lock); | |
4894 | ||
4895 | vector<ghobject_t> ls; | |
4896 | r = index->collection_list_partial(ghobject_t(), ghobject_t::get_max(), | |
4897 | 1, &ls, NULL); | |
4898 | if (r < 0) { | |
31f18b77 | 4899 | derr << __FUNC__ << ": collection_list_partial returned: " |
7c673cae FG |
4900 | << cpp_strerror(r) << dendl; |
4901 | assert(!m_filestore_fail_eio || r != -EIO); | |
4902 | return r; | |
4903 | } | |
4904 | *empty = ls.empty(); | |
4905 | tracepoint(objectstore, collection_empty_exit, *empty); | |
4906 | return 0; | |
4907 | } | |
4908 | ||
4909 | int FileStore::_collection_set_bits(const coll_t& c, int bits) | |
4910 | { | |
4911 | char fn[PATH_MAX]; | |
4912 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 4913 | dout(10) << __FUNC__ << ": " << fn << " " << bits << dendl; |
7c673cae FG |
4914 | char n[PATH_MAX]; |
4915 | int r; | |
4916 | int32_t v = bits; | |
4917 | int fd = ::open(fn, O_RDONLY); | |
4918 | if (fd < 0) { | |
4919 | r = -errno; | |
4920 | goto out; | |
4921 | } | |
4922 | get_attrname("bits", n, PATH_MAX); | |
4923 | r = chain_fsetxattr(fd, n, (char*)&v, sizeof(v)); | |
4924 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
4925 | out: | |
31f18b77 | 4926 | dout(10) << __FUNC__ << ": " << fn << " " << bits << " = " << r << dendl; |
7c673cae FG |
4927 | return r; |
4928 | } | |
4929 | ||
4930 | int FileStore::collection_bits(const coll_t& c) | |
4931 | { | |
4932 | char fn[PATH_MAX]; | |
4933 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 4934 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
4935 | int r; |
4936 | char n[PATH_MAX]; | |
4937 | int32_t bits; | |
4938 | int fd = ::open(fn, O_RDONLY); | |
4939 | if (fd < 0) { | |
4940 | bits = r = -errno; | |
4941 | goto out; | |
4942 | } | |
4943 | get_attrname("bits", n, PATH_MAX); | |
4944 | r = chain_fgetxattr(fd, n, (char*)&bits, sizeof(bits)); | |
4945 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
4946 | if (r < 0) { | |
4947 | bits = r; | |
4948 | goto out; | |
4949 | } | |
4950 | out: | |
31f18b77 | 4951 | dout(10) << __FUNC__ << ": " << fn << " = " << bits << dendl; |
7c673cae FG |
4952 | return bits; |
4953 | } | |
4954 | ||
4955 | int FileStore::collection_list(const coll_t& c, | |
4956 | const ghobject_t& orig_start, | |
4957 | const ghobject_t& end, | |
4958 | int max, | |
4959 | vector<ghobject_t> *ls, ghobject_t *next) | |
4960 | { | |
4961 | ghobject_t start = orig_start; | |
4962 | if (start.is_max()) | |
4963 | return 0; | |
4964 | ||
4965 | ghobject_t temp_next; | |
4966 | if (!next) | |
4967 | next = &temp_next; | |
4968 | // figure out the pool id. we need this in order to generate a | |
4969 | // meaningful 'next' value. | |
4970 | int64_t pool = -1; | |
4971 | shard_id_t shard; | |
4972 | { | |
4973 | spg_t pgid; | |
4974 | if (c.is_temp(&pgid)) { | |
4975 | pool = -2 - pgid.pool(); | |
4976 | shard = pgid.shard; | |
4977 | } else if (c.is_pg(&pgid)) { | |
4978 | pool = pgid.pool(); | |
4979 | shard = pgid.shard; | |
4980 | } else if (c.is_meta()) { | |
4981 | pool = -1; | |
4982 | shard = shard_id_t::NO_SHARD; | |
4983 | } else { | |
4984 | // hrm, the caller is test code! we should get kill it off. for now, | |
4985 | // tolerate it. | |
4986 | pool = 0; | |
4987 | shard = shard_id_t::NO_SHARD; | |
4988 | } | |
31f18b77 | 4989 | dout(20) << __FUNC__ << ": pool is " << pool << " shard is " << shard |
7c673cae FG |
4990 | << " pgid " << pgid << dendl; |
4991 | } | |
4992 | ghobject_t sep; | |
4993 | sep.hobj.pool = -1; | |
4994 | sep.set_shard(shard); | |
4995 | if (!c.is_temp() && !c.is_meta()) { | |
4996 | if (start < sep) { | |
31f18b77 | 4997 | dout(10) << __FUNC__ << ": first checking temp pool" << dendl; |
7c673cae FG |
4998 | coll_t temp = c.get_temp(); |
4999 | int r = collection_list(temp, start, end, max, ls, next); | |
5000 | if (r < 0) | |
5001 | return r; | |
5002 | if (*next != ghobject_t::get_max()) | |
5003 | return r; | |
5004 | start = sep; | |
31f18b77 | 5005 | dout(10) << __FUNC__ << ": fall through to non-temp collection, start " |
7c673cae FG |
5006 | << start << dendl; |
5007 | } else { | |
31f18b77 | 5008 | dout(10) << __FUNC__ << ": start " << start << " >= sep " << sep << dendl; |
7c673cae FG |
5009 | } |
5010 | } | |
5011 | ||
5012 | Index index; | |
5013 | int r = get_index(c, &index); | |
5014 | if (r < 0) | |
5015 | return r; | |
5016 | ||
5017 | assert(NULL != index.index); | |
5018 | RWLock::RLocker l((index.index)->access_lock); | |
5019 | ||
5020 | r = index->collection_list_partial(start, end, max, ls, next); | |
5021 | ||
5022 | if (r < 0) { | |
5023 | assert(!m_filestore_fail_eio || r != -EIO); | |
5024 | return r; | |
5025 | } | |
5026 | dout(20) << "objects: " << *ls << dendl; | |
5027 | ||
5028 | // HashIndex doesn't know the pool when constructing a 'next' value | |
5029 | if (next && !next->is_max()) { | |
5030 | next->hobj.pool = pool; | |
5031 | next->set_shard(shard); | |
5032 | dout(20) << " next " << *next << dendl; | |
5033 | } | |
5034 | ||
5035 | return 0; | |
5036 | } | |
5037 | ||
5038 | int FileStore::omap_get(const coll_t& _c, const ghobject_t &hoid, | |
5039 | bufferlist *header, | |
5040 | map<string, bufferlist> *out) | |
5041 | { | |
5042 | tracepoint(objectstore, omap_get_enter, _c.c_str()); | |
5043 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5044 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5045 | Index index; |
5046 | int r = get_index(c, &index); | |
5047 | if (r < 0) | |
5048 | return r; | |
5049 | { | |
5050 | assert(NULL != index.index); | |
5051 | RWLock::RLocker l((index.index)->access_lock); | |
5052 | r = lfn_find(hoid, index); | |
5053 | if (r < 0) | |
5054 | return r; | |
5055 | } | |
5056 | r = object_map->get(hoid, header, out); | |
5057 | if (r < 0 && r != -ENOENT) { | |
5058 | assert(!m_filestore_fail_eio || r != -EIO); | |
5059 | return r; | |
5060 | } | |
5061 | tracepoint(objectstore, omap_get_exit, 0); | |
5062 | return 0; | |
5063 | } | |
5064 | ||
5065 | int FileStore::omap_get_header( | |
5066 | const coll_t& _c, | |
5067 | const ghobject_t &hoid, | |
5068 | bufferlist *bl, | |
5069 | bool allow_eio) | |
5070 | { | |
5071 | tracepoint(objectstore, omap_get_header_enter, _c.c_str()); | |
5072 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5073 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5074 | Index index; |
5075 | int r = get_index(c, &index); | |
5076 | if (r < 0) | |
5077 | return r; | |
5078 | { | |
5079 | assert(NULL != index.index); | |
5080 | RWLock::RLocker l((index.index)->access_lock); | |
5081 | r = lfn_find(hoid, index); | |
5082 | if (r < 0) | |
5083 | return r; | |
5084 | } | |
5085 | r = object_map->get_header(hoid, bl); | |
5086 | if (r < 0 && r != -ENOENT) { | |
5087 | assert(allow_eio || !m_filestore_fail_eio || r != -EIO); | |
5088 | return r; | |
5089 | } | |
5090 | tracepoint(objectstore, omap_get_header_exit, 0); | |
5091 | return 0; | |
5092 | } | |
5093 | ||
5094 | int FileStore::omap_get_keys(const coll_t& _c, const ghobject_t &hoid, set<string> *keys) | |
5095 | { | |
5096 | tracepoint(objectstore, omap_get_keys_enter, _c.c_str()); | |
5097 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5098 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5099 | Index index; |
5100 | int r = get_index(c, &index); | |
5101 | if (r < 0) | |
5102 | return r; | |
5103 | { | |
5104 | assert(NULL != index.index); | |
5105 | RWLock::RLocker l((index.index)->access_lock); | |
5106 | r = lfn_find(hoid, index); | |
5107 | if (r < 0) | |
5108 | return r; | |
5109 | } | |
5110 | r = object_map->get_keys(hoid, keys); | |
5111 | if (r < 0 && r != -ENOENT) { | |
5112 | assert(!m_filestore_fail_eio || r != -EIO); | |
5113 | return r; | |
5114 | } | |
5115 | tracepoint(objectstore, omap_get_keys_exit, 0); | |
5116 | return 0; | |
5117 | } | |
5118 | ||
5119 | int FileStore::omap_get_values(const coll_t& _c, const ghobject_t &hoid, | |
5120 | const set<string> &keys, | |
5121 | map<string, bufferlist> *out) | |
5122 | { | |
5123 | tracepoint(objectstore, omap_get_values_enter, _c.c_str()); | |
5124 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5125 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5126 | Index index; |
5127 | const char *where = "()"; | |
5128 | int r = get_index(c, &index); | |
5129 | if (r < 0) { | |
5130 | where = " (get_index)"; | |
5131 | goto out; | |
5132 | } | |
5133 | { | |
5134 | assert(NULL != index.index); | |
5135 | RWLock::RLocker l((index.index)->access_lock); | |
5136 | r = lfn_find(hoid, index); | |
5137 | if (r < 0) { | |
5138 | where = " (lfn_find)"; | |
5139 | goto out; | |
5140 | } | |
5141 | } | |
5142 | r = object_map->get_values(hoid, keys, out); | |
5143 | if (r < 0 && r != -ENOENT) { | |
5144 | assert(!m_filestore_fail_eio || r != -EIO); | |
5145 | where = " (get_values)"; | |
5146 | goto out; | |
5147 | } | |
5148 | r = 0; | |
5149 | out: | |
5150 | tracepoint(objectstore, omap_get_values_exit, r); | |
31f18b77 | 5151 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << " = " << r |
7c673cae FG |
5152 | << where << dendl; |
5153 | return r; | |
5154 | } | |
5155 | ||
5156 | int FileStore::omap_check_keys(const coll_t& _c, const ghobject_t &hoid, | |
5157 | const set<string> &keys, | |
5158 | set<string> *out) | |
5159 | { | |
5160 | tracepoint(objectstore, omap_check_keys_enter, _c.c_str()); | |
5161 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5162 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5163 | |
5164 | Index index; | |
5165 | int r = get_index(c, &index); | |
5166 | if (r < 0) | |
5167 | return r; | |
5168 | { | |
5169 | assert(NULL != index.index); | |
5170 | RWLock::RLocker l((index.index)->access_lock); | |
5171 | r = lfn_find(hoid, index); | |
5172 | if (r < 0) | |
5173 | return r; | |
5174 | } | |
5175 | r = object_map->check_keys(hoid, keys, out); | |
5176 | if (r < 0 && r != -ENOENT) { | |
5177 | assert(!m_filestore_fail_eio || r != -EIO); | |
5178 | return r; | |
5179 | } | |
5180 | tracepoint(objectstore, omap_check_keys_exit, 0); | |
5181 | return 0; | |
5182 | } | |
5183 | ||
5184 | ObjectMap::ObjectMapIterator FileStore::get_omap_iterator(const coll_t& _c, | |
5185 | const ghobject_t &hoid) | |
5186 | { | |
5187 | tracepoint(objectstore, get_omap_iterator, _c.c_str()); | |
5188 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5189 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5190 | Index index; |
5191 | int r = get_index(c, &index); | |
5192 | if (r < 0) { | |
31f18b77 | 5193 | dout(10) << __FUNC__ << ": " << c << "/" << hoid << " = 0 " |
7c673cae FG |
5194 | << "(get_index failed with " << cpp_strerror(r) << ")" << dendl; |
5195 | return ObjectMap::ObjectMapIterator(); | |
5196 | } | |
5197 | { | |
5198 | assert(NULL != index.index); | |
5199 | RWLock::RLocker l((index.index)->access_lock); | |
5200 | r = lfn_find(hoid, index); | |
5201 | if (r < 0) { | |
31f18b77 | 5202 | dout(10) << __FUNC__ << ": " << c << "/" << hoid << " = 0 " |
7c673cae FG |
5203 | << "(lfn_find failed with " << cpp_strerror(r) << ")" << dendl; |
5204 | return ObjectMap::ObjectMapIterator(); | |
5205 | } | |
5206 | } | |
5207 | return object_map->get_iterator(hoid); | |
5208 | } | |
5209 | ||
5210 | int FileStore::_collection_hint_expected_num_objs(const coll_t& c, uint32_t pg_num, | |
5211 | uint64_t expected_num_objs, | |
5212 | const SequencerPosition &spos) | |
5213 | { | |
31f18b77 | 5214 | dout(15) << __FUNC__ << ": collection: " << c << " pg number: " |
7c673cae FG |
5215 | << pg_num << " expected number of objects: " << expected_num_objs << dendl; |
5216 | ||
5217 | bool empty; | |
5218 | int ret = collection_empty(c, &empty); | |
5219 | if (ret < 0) | |
5220 | return ret; | |
5221 | if (!empty && !replaying) { | |
5222 | dout(0) << "Failed to give an expected number of objects hint to collection : " | |
5223 | << c << ", only empty collection can take such type of hint. " << dendl; | |
5224 | return 0; | |
5225 | } | |
5226 | ||
5227 | Index index; | |
5228 | ret = get_index(c, &index); | |
5229 | if (ret < 0) | |
5230 | return ret; | |
5231 | // Pre-hash the collection | |
5232 | ret = index->pre_hash_collection(pg_num, expected_num_objs); | |
5233 | dout(10) << "pre_hash_collection " << c << " = " << ret << dendl; | |
5234 | if (ret < 0) | |
5235 | return ret; | |
5236 | _set_replay_guard(c, spos); | |
5237 | ||
5238 | return 0; | |
5239 | } | |
5240 | ||
5241 | int FileStore::_create_collection( | |
5242 | const coll_t& c, | |
5243 | int bits, | |
5244 | const SequencerPosition &spos) | |
5245 | { | |
5246 | char fn[PATH_MAX]; | |
5247 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5248 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5249 | int r = ::mkdir(fn, 0755); |
5250 | if (r < 0) | |
5251 | r = -errno; | |
5252 | if (r == -EEXIST && replaying) | |
5253 | r = 0; | |
31f18b77 | 5254 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
5255 | |
5256 | if (r < 0) | |
5257 | return r; | |
5258 | r = init_index(c); | |
5259 | if (r < 0) | |
5260 | return r; | |
5261 | r = _collection_set_bits(c, bits); | |
5262 | if (r < 0) | |
5263 | return r; | |
5264 | // create parallel temp collection, too | |
5265 | if (!c.is_meta() && !c.is_temp()) { | |
5266 | coll_t temp = c.get_temp(); | |
5267 | r = _create_collection(temp, 0, spos); | |
5268 | if (r < 0) | |
5269 | return r; | |
5270 | } | |
5271 | ||
5272 | _set_replay_guard(c, spos); | |
5273 | return 0; | |
5274 | } | |
5275 | ||
5276 | int FileStore::_destroy_collection(const coll_t& c) | |
5277 | { | |
5278 | int r = 0; | |
5279 | char fn[PATH_MAX]; | |
5280 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5281 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5282 | { |
5283 | Index from; | |
5284 | r = get_index(c, &from); | |
5285 | if (r < 0) | |
5286 | goto out; | |
5287 | assert(NULL != from.index); | |
5288 | RWLock::WLocker l((from.index)->access_lock); | |
5289 | ||
5290 | r = from->prep_delete(); | |
5291 | if (r < 0) | |
5292 | goto out; | |
5293 | } | |
5294 | r = ::rmdir(fn); | |
5295 | if (r < 0) { | |
5296 | r = -errno; | |
5297 | goto out; | |
5298 | } | |
5299 | ||
5300 | out: | |
5301 | // destroy parallel temp collection, too | |
5302 | if (!c.is_meta() && !c.is_temp()) { | |
5303 | coll_t temp = c.get_temp(); | |
5304 | int r2 = _destroy_collection(temp); | |
5305 | if (r2 < 0) { | |
5306 | r = r2; | |
5307 | goto out_final; | |
5308 | } | |
5309 | } | |
5310 | ||
5311 | out_final: | |
31f18b77 | 5312 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
5313 | return r; |
5314 | } | |
5315 | ||
5316 | ||
5317 | int FileStore::_collection_add(const coll_t& c, const coll_t& oldcid, const ghobject_t& o, | |
5318 | const SequencerPosition& spos) | |
5319 | { | |
31f18b77 | 5320 | dout(15) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << o << dendl; |
7c673cae FG |
5321 | |
5322 | int dstcmp = _check_replay_guard(c, o, spos); | |
5323 | if (dstcmp < 0) | |
5324 | return 0; | |
5325 | ||
5326 | // check the src name too; it might have a newer guard, and we don't | |
5327 | // want to clobber it | |
5328 | int srccmp = _check_replay_guard(oldcid, o, spos); | |
5329 | if (srccmp < 0) | |
5330 | return 0; | |
5331 | ||
5332 | // open guard on object so we don't any previous operations on the | |
5333 | // new name that will modify the source inode. | |
5334 | FDRef fd; | |
5335 | int r = lfn_open(oldcid, o, 0, &fd); | |
5336 | if (r < 0) { | |
5337 | // the source collection/object does not exist. If we are replaying, we | |
5338 | // should be safe, so just return 0 and move on. | |
5339 | assert(replaying); | |
31f18b77 | 5340 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5341 | << oldcid << "/" << o << " (dne, continue replay) " << dendl; |
5342 | return 0; | |
5343 | } | |
5344 | if (dstcmp > 0) { // if dstcmp == 0 the guard already says "in-progress" | |
5345 | _set_replay_guard(**fd, spos, &o, true); | |
5346 | } | |
5347 | ||
5348 | r = lfn_link(oldcid, c, o, o); | |
5349 | if (replaying && !backend->can_checkpoint() && | |
5350 | r == -EEXIST) // crashed between link() and set_replay_guard() | |
5351 | r = 0; | |
5352 | ||
5353 | _inject_failure(); | |
5354 | ||
5355 | // close guard on object so we don't do this again | |
5356 | if (r == 0) { | |
5357 | _close_replay_guard(**fd, spos); | |
5358 | } | |
5359 | lfn_close(fd); | |
5360 | ||
31f18b77 | 5361 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << o << " = " << r << dendl; |
7c673cae FG |
5362 | return r; |
5363 | } | |
5364 | ||
5365 | int FileStore::_collection_move_rename(const coll_t& oldcid, const ghobject_t& oldoid, | |
5366 | coll_t c, const ghobject_t& o, | |
5367 | const SequencerPosition& spos, | |
5368 | bool allow_enoent) | |
5369 | { | |
31f18b77 | 5370 | dout(15) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid << dendl; |
7c673cae FG |
5371 | int r = 0; |
5372 | int dstcmp, srccmp; | |
5373 | ||
5374 | if (replaying) { | |
5375 | /* If the destination collection doesn't exist during replay, | |
5376 | * we need to delete the src object and continue on | |
5377 | */ | |
5378 | if (!collection_exists(c)) | |
5379 | goto out_rm_src; | |
5380 | } | |
5381 | ||
5382 | dstcmp = _check_replay_guard(c, o, spos); | |
5383 | if (dstcmp < 0) | |
5384 | goto out_rm_src; | |
5385 | ||
5386 | // check the src name too; it might have a newer guard, and we don't | |
5387 | // want to clobber it | |
5388 | srccmp = _check_replay_guard(oldcid, oldoid, spos); | |
5389 | if (srccmp < 0) | |
5390 | return 0; | |
5391 | ||
5392 | { | |
5393 | // open guard on object so we don't any previous operations on the | |
5394 | // new name that will modify the source inode. | |
5395 | FDRef fd; | |
5396 | r = lfn_open(oldcid, oldoid, 0, &fd); | |
5397 | if (r < 0) { | |
5398 | // the source collection/object does not exist. If we are replaying, we | |
5399 | // should be safe, so just return 0 and move on. | |
5400 | if (replaying) { | |
31f18b77 | 5401 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5402 | << oldcid << "/" << oldoid << " (dne, continue replay) " << dendl; |
5403 | } else if (allow_enoent) { | |
31f18b77 | 5404 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5405 | << oldcid << "/" << oldoid << " (dne, ignoring enoent)" |
5406 | << dendl; | |
5407 | } else { | |
5408 | assert(0 == "ERROR: source must exist"); | |
5409 | } | |
5410 | ||
5411 | if (!replaying) { | |
5412 | return 0; | |
5413 | } | |
5414 | if (allow_enoent && dstcmp > 0) { // if dstcmp == 0, try_rename was started. | |
5415 | return 0; | |
5416 | } | |
5417 | ||
5418 | r = 0; // don't know if object_map was cloned | |
5419 | } else { | |
5420 | if (dstcmp > 0) { // if dstcmp == 0 the guard already says "in-progress" | |
5421 | _set_replay_guard(**fd, spos, &o, true); | |
5422 | } | |
5423 | ||
5424 | r = lfn_link(oldcid, c, oldoid, o); | |
5425 | if (replaying && !backend->can_checkpoint() && | |
5426 | r == -EEXIST) // crashed between link() and set_replay_guard() | |
5427 | r = 0; | |
5428 | ||
5429 | lfn_close(fd); | |
5430 | fd = FDRef(); | |
5431 | ||
5432 | _inject_failure(); | |
5433 | } | |
5434 | ||
5435 | if (r == 0) { | |
5436 | // the name changed; link the omap content | |
5437 | r = object_map->rename(oldoid, o, &spos); | |
5438 | if (r == -ENOENT) | |
5439 | r = 0; | |
5440 | } | |
5441 | ||
5442 | _inject_failure(); | |
5443 | ||
5444 | if (r == 0) | |
5445 | r = lfn_unlink(oldcid, oldoid, spos, true); | |
5446 | ||
5447 | if (r == 0) | |
5448 | r = lfn_open(c, o, 0, &fd); | |
5449 | ||
5450 | // close guard on object so we don't do this again | |
5451 | if (r == 0) { | |
5452 | _close_replay_guard(**fd, spos, &o); | |
5453 | lfn_close(fd); | |
5454 | } | |
5455 | } | |
5456 | ||
31f18b77 | 5457 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid |
7c673cae FG |
5458 | << " = " << r << dendl; |
5459 | return r; | |
5460 | ||
5461 | out_rm_src: | |
5462 | // remove source | |
5463 | if (_check_replay_guard(oldcid, oldoid, spos) > 0) { | |
5464 | r = lfn_unlink(oldcid, oldoid, spos, true); | |
5465 | } | |
5466 | ||
31f18b77 | 5467 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid |
7c673cae FG |
5468 | << " = " << r << dendl; |
5469 | return r; | |
5470 | } | |
5471 | ||
5472 | void FileStore::_inject_failure() | |
5473 | { | |
31f18b77 FG |
5474 | if (m_filestore_kill_at) { |
5475 | int final = --m_filestore_kill_at; | |
5476 | dout(5) << __FUNC__ << ": " << (final+1) << " -> " << final << dendl; | |
7c673cae | 5477 | if (final == 0) { |
31f18b77 | 5478 | derr << __FUNC__ << ": KILLING" << dendl; |
7c673cae FG |
5479 | cct->_log->flush(); |
5480 | _exit(1); | |
5481 | } | |
5482 | } | |
5483 | } | |
5484 | ||
5485 | int FileStore::_omap_clear(const coll_t& cid, const ghobject_t &hoid, | |
5486 | const SequencerPosition &spos) { | |
31f18b77 | 5487 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5488 | Index index; |
5489 | int r = get_index(cid, &index); | |
5490 | if (r < 0) | |
5491 | return r; | |
5492 | { | |
5493 | assert(NULL != index.index); | |
5494 | RWLock::RLocker l((index.index)->access_lock); | |
5495 | r = lfn_find(hoid, index); | |
5496 | if (r < 0) | |
5497 | return r; | |
5498 | } | |
5499 | r = object_map->clear_keys_header(hoid, &spos); | |
5500 | if (r < 0 && r != -ENOENT) | |
5501 | return r; | |
5502 | return 0; | |
5503 | } | |
5504 | ||
5505 | int FileStore::_omap_setkeys(const coll_t& cid, const ghobject_t &hoid, | |
5506 | const map<string, bufferlist> &aset, | |
5507 | const SequencerPosition &spos) { | |
31f18b77 | 5508 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5509 | Index index; |
5510 | int r; | |
5511 | //treat pgmeta as a logical object, skip to check exist | |
5512 | if (hoid.is_pgmeta()) | |
5513 | goto skip; | |
5514 | ||
5515 | r = get_index(cid, &index); | |
5516 | if (r < 0) { | |
31f18b77 | 5517 | dout(20) << __FUNC__ << ": get_index got " << cpp_strerror(r) << dendl; |
7c673cae FG |
5518 | return r; |
5519 | } | |
5520 | { | |
5521 | assert(NULL != index.index); | |
5522 | RWLock::RLocker l((index.index)->access_lock); | |
5523 | r = lfn_find(hoid, index); | |
5524 | if (r < 0) { | |
31f18b77 | 5525 | dout(20) << __FUNC__ << ": lfn_find got " << cpp_strerror(r) << dendl; |
7c673cae FG |
5526 | return r; |
5527 | } | |
5528 | } | |
5529 | skip: | |
5530 | if (g_conf->subsys.should_gather(ceph_subsys_filestore, 20)) { | |
5531 | for (auto& p : aset) { | |
31f18b77 | 5532 | dout(20) << __FUNC__ << ": set " << p.first << dendl; |
7c673cae FG |
5533 | } |
5534 | } | |
5535 | r = object_map->set_keys(hoid, aset, &spos); | |
31f18b77 | 5536 | dout(20) << __FUNC__ << ": " << cid << "/" << hoid << " = " << r << dendl; |
7c673cae FG |
5537 | return r; |
5538 | } | |
5539 | ||
5540 | int FileStore::_omap_rmkeys(const coll_t& cid, const ghobject_t &hoid, | |
5541 | const set<string> &keys, | |
5542 | const SequencerPosition &spos) { | |
31f18b77 | 5543 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5544 | Index index; |
5545 | int r; | |
5546 | //treat pgmeta as a logical object, skip to check exist | |
5547 | if (hoid.is_pgmeta()) | |
5548 | goto skip; | |
5549 | ||
5550 | r = get_index(cid, &index); | |
5551 | if (r < 0) | |
5552 | return r; | |
5553 | { | |
5554 | assert(NULL != index.index); | |
5555 | RWLock::RLocker l((index.index)->access_lock); | |
5556 | r = lfn_find(hoid, index); | |
5557 | if (r < 0) | |
5558 | return r; | |
5559 | } | |
5560 | skip: | |
5561 | r = object_map->rm_keys(hoid, keys, &spos); | |
5562 | if (r < 0 && r != -ENOENT) | |
5563 | return r; | |
5564 | return 0; | |
5565 | } | |
5566 | ||
5567 | int FileStore::_omap_rmkeyrange(const coll_t& cid, const ghobject_t &hoid, | |
5568 | const string& first, const string& last, | |
5569 | const SequencerPosition &spos) { | |
31f18b77 | 5570 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << " [" << first << "," << last << "]" << dendl; |
7c673cae FG |
5571 | set<string> keys; |
5572 | { | |
5573 | ObjectMap::ObjectMapIterator iter = get_omap_iterator(cid, hoid); | |
5574 | if (!iter) | |
5575 | return -ENOENT; | |
5576 | for (iter->lower_bound(first); iter->valid() && iter->key() < last; | |
5577 | iter->next()) { | |
5578 | keys.insert(iter->key()); | |
5579 | } | |
5580 | } | |
5581 | return _omap_rmkeys(cid, hoid, keys, spos); | |
5582 | } | |
5583 | ||
5584 | int FileStore::_omap_setheader(const coll_t& cid, const ghobject_t &hoid, | |
5585 | const bufferlist &bl, | |
5586 | const SequencerPosition &spos) | |
5587 | { | |
31f18b77 | 5588 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5589 | Index index; |
5590 | int r = get_index(cid, &index); | |
5591 | if (r < 0) | |
5592 | return r; | |
5593 | { | |
5594 | assert(NULL != index.index); | |
5595 | RWLock::RLocker l((index.index)->access_lock); | |
5596 | r = lfn_find(hoid, index); | |
5597 | if (r < 0) | |
5598 | return r; | |
5599 | } | |
5600 | return object_map->set_header(hoid, bl, &spos); | |
5601 | } | |
5602 | ||
5603 | int FileStore::_split_collection(const coll_t& cid, | |
5604 | uint32_t bits, | |
5605 | uint32_t rem, | |
5606 | coll_t dest, | |
5607 | const SequencerPosition &spos) | |
5608 | { | |
5609 | int r; | |
5610 | { | |
31f18b77 | 5611 | dout(15) << __FUNC__ << ": " << cid << " bits: " << bits << dendl; |
7c673cae | 5612 | if (!collection_exists(cid)) { |
31f18b77 | 5613 | dout(2) << __FUNC__ << ": " << cid << " DNE" << dendl; |
7c673cae FG |
5614 | assert(replaying); |
5615 | return 0; | |
5616 | } | |
5617 | if (!collection_exists(dest)) { | |
31f18b77 | 5618 | dout(2) << __FUNC__ << ": " << dest << " DNE" << dendl; |
7c673cae FG |
5619 | assert(replaying); |
5620 | return 0; | |
5621 | } | |
5622 | ||
5623 | int dstcmp = _check_replay_guard(dest, spos); | |
5624 | if (dstcmp < 0) | |
5625 | return 0; | |
5626 | ||
5627 | int srccmp = _check_replay_guard(cid, spos); | |
5628 | if (srccmp < 0) | |
5629 | return 0; | |
5630 | ||
5631 | _set_global_replay_guard(cid, spos); | |
5632 | _set_replay_guard(cid, spos, true); | |
5633 | _set_replay_guard(dest, spos, true); | |
5634 | ||
5635 | Index from; | |
5636 | r = get_index(cid, &from); | |
5637 | ||
5638 | Index to; | |
5639 | if (!r) | |
5640 | r = get_index(dest, &to); | |
5641 | ||
5642 | if (!r) { | |
5643 | assert(NULL != from.index); | |
5644 | RWLock::WLocker l1((from.index)->access_lock); | |
5645 | ||
5646 | assert(NULL != to.index); | |
5647 | RWLock::WLocker l2((to.index)->access_lock); | |
5648 | ||
5649 | r = from->split(rem, bits, to.index); | |
5650 | } | |
5651 | ||
5652 | _close_replay_guard(cid, spos); | |
5653 | _close_replay_guard(dest, spos); | |
5654 | } | |
5655 | _collection_set_bits(cid, bits); | |
5656 | if (!r && cct->_conf->filestore_debug_verify_split) { | |
5657 | vector<ghobject_t> objects; | |
5658 | ghobject_t next; | |
5659 | while (1) { | |
5660 | collection_list( | |
5661 | cid, | |
5662 | next, ghobject_t::get_max(), | |
5663 | get_ideal_list_max(), | |
5664 | &objects, | |
5665 | &next); | |
5666 | if (objects.empty()) | |
5667 | break; | |
5668 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
5669 | i != objects.end(); | |
5670 | ++i) { | |
31f18b77 | 5671 | dout(20) << __FUNC__ << ": " << *i << " still in source " |
7c673cae FG |
5672 | << cid << dendl; |
5673 | assert(!i->match(bits, rem)); | |
5674 | } | |
5675 | objects.clear(); | |
5676 | } | |
5677 | next = ghobject_t(); | |
5678 | while (1) { | |
5679 | collection_list( | |
5680 | dest, | |
5681 | next, ghobject_t::get_max(), | |
5682 | get_ideal_list_max(), | |
5683 | &objects, | |
5684 | &next); | |
5685 | if (objects.empty()) | |
5686 | break; | |
5687 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
5688 | i != objects.end(); | |
5689 | ++i) { | |
31f18b77 | 5690 | dout(20) << __FUNC__ << ": " << *i << " now in dest " |
7c673cae FG |
5691 | << *i << dendl; |
5692 | assert(i->match(bits, rem)); | |
5693 | } | |
5694 | objects.clear(); | |
5695 | } | |
5696 | } | |
5697 | return r; | |
5698 | } | |
5699 | ||
5700 | int FileStore::_set_alloc_hint(const coll_t& cid, const ghobject_t& oid, | |
5701 | uint64_t expected_object_size, | |
5702 | uint64_t expected_write_size) | |
5703 | { | |
31f18b77 | 5704 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " object_size " << expected_object_size << " write_size " << expected_write_size << dendl; |
7c673cae FG |
5705 | |
5706 | FDRef fd; | |
5707 | int ret = 0; | |
5708 | ||
5709 | if (expected_object_size == 0 || expected_write_size == 0) | |
5710 | goto out; | |
5711 | ||
5712 | ret = lfn_open(cid, oid, false, &fd); | |
5713 | if (ret < 0) | |
5714 | goto out; | |
5715 | ||
5716 | { | |
5717 | // TODO: a more elaborate hint calculation | |
5718 | uint64_t hint = MIN(expected_write_size, m_filestore_max_alloc_hint_size); | |
5719 | ||
5720 | ret = backend->set_alloc_hint(**fd, hint); | |
31f18b77 | 5721 | dout(20) << __FUNC__ << ": hint " << hint << " ret " << ret << dendl; |
7c673cae FG |
5722 | } |
5723 | ||
5724 | lfn_close(fd); | |
5725 | out: | |
31f18b77 | 5726 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " object_size " << expected_object_size << " write_size " << expected_write_size << " = " << ret << dendl; |
7c673cae FG |
5727 | assert(!m_filestore_fail_eio || ret != -EIO); |
5728 | return ret; | |
5729 | } | |
5730 | ||
5731 | const char** FileStore::get_tracked_conf_keys() const | |
5732 | { | |
5733 | static const char* KEYS[] = { | |
5734 | "filestore_max_inline_xattr_size", | |
5735 | "filestore_max_inline_xattr_size_xfs", | |
5736 | "filestore_max_inline_xattr_size_btrfs", | |
5737 | "filestore_max_inline_xattr_size_other", | |
5738 | "filestore_max_inline_xattrs", | |
5739 | "filestore_max_inline_xattrs_xfs", | |
5740 | "filestore_max_inline_xattrs_btrfs", | |
5741 | "filestore_max_inline_xattrs_other", | |
5742 | "filestore_max_xattr_value_size", | |
5743 | "filestore_max_xattr_value_size_xfs", | |
5744 | "filestore_max_xattr_value_size_btrfs", | |
5745 | "filestore_max_xattr_value_size_other", | |
5746 | "filestore_min_sync_interval", | |
5747 | "filestore_max_sync_interval", | |
5748 | "filestore_queue_max_ops", | |
5749 | "filestore_queue_max_bytes", | |
5750 | "filestore_expected_throughput_bytes", | |
5751 | "filestore_expected_throughput_ops", | |
5752 | "filestore_queue_low_threshhold", | |
5753 | "filestore_queue_high_threshhold", | |
5754 | "filestore_queue_high_delay_multiple", | |
5755 | "filestore_queue_max_delay_multiple", | |
5756 | "filestore_commit_timeout", | |
5757 | "filestore_dump_file", | |
5758 | "filestore_kill_at", | |
5759 | "filestore_fail_eio", | |
5760 | "filestore_fadvise", | |
5761 | "filestore_sloppy_crc", | |
5762 | "filestore_sloppy_crc_block_size", | |
5763 | "filestore_max_alloc_hint_size", | |
5764 | NULL | |
5765 | }; | |
5766 | return KEYS; | |
5767 | } | |
5768 | ||
5769 | void FileStore::handle_conf_change(const struct md_config_t *conf, | |
5770 | const std::set <std::string> &changed) | |
5771 | { | |
5772 | if (changed.count("filestore_max_inline_xattr_size") || | |
5773 | changed.count("filestore_max_inline_xattr_size_xfs") || | |
5774 | changed.count("filestore_max_inline_xattr_size_btrfs") || | |
5775 | changed.count("filestore_max_inline_xattr_size_other") || | |
5776 | changed.count("filestore_max_inline_xattrs") || | |
5777 | changed.count("filestore_max_inline_xattrs_xfs") || | |
5778 | changed.count("filestore_max_inline_xattrs_btrfs") || | |
5779 | changed.count("filestore_max_inline_xattrs_other") || | |
5780 | changed.count("filestore_max_xattr_value_size") || | |
5781 | changed.count("filestore_max_xattr_value_size_xfs") || | |
5782 | changed.count("filestore_max_xattr_value_size_btrfs") || | |
5783 | changed.count("filestore_max_xattr_value_size_other")) { | |
5784 | if (backend) { | |
5785 | Mutex::Locker l(lock); | |
5786 | set_xattr_limits_via_conf(); | |
5787 | } | |
5788 | } | |
5789 | ||
5790 | if (changed.count("filestore_queue_max_bytes") || | |
5791 | changed.count("filestore_queue_max_ops") || | |
5792 | changed.count("filestore_expected_throughput_bytes") || | |
5793 | changed.count("filestore_expected_throughput_ops") || | |
5794 | changed.count("filestore_queue_low_threshhold") || | |
5795 | changed.count("filestore_queue_high_threshhold") || | |
5796 | changed.count("filestore_queue_high_delay_multiple") || | |
5797 | changed.count("filestore_queue_max_delay_multiple")) { | |
5798 | Mutex::Locker l(lock); | |
5799 | set_throttle_params(); | |
5800 | } | |
5801 | ||
5802 | if (changed.count("filestore_min_sync_interval") || | |
5803 | changed.count("filestore_max_sync_interval") || | |
5804 | changed.count("filestore_kill_at") || | |
5805 | changed.count("filestore_fail_eio") || | |
5806 | changed.count("filestore_sloppy_crc") || | |
5807 | changed.count("filestore_sloppy_crc_block_size") || | |
5808 | changed.count("filestore_max_alloc_hint_size") || | |
5809 | changed.count("filestore_fadvise")) { | |
5810 | Mutex::Locker l(lock); | |
5811 | m_filestore_min_sync_interval = conf->filestore_min_sync_interval; | |
5812 | m_filestore_max_sync_interval = conf->filestore_max_sync_interval; | |
31f18b77 | 5813 | m_filestore_kill_at = conf->filestore_kill_at; |
7c673cae FG |
5814 | m_filestore_fail_eio = conf->filestore_fail_eio; |
5815 | m_filestore_fadvise = conf->filestore_fadvise; | |
5816 | m_filestore_sloppy_crc = conf->filestore_sloppy_crc; | |
5817 | m_filestore_sloppy_crc_block_size = conf->filestore_sloppy_crc_block_size; | |
5818 | m_filestore_max_alloc_hint_size = conf->filestore_max_alloc_hint_size; | |
5819 | } | |
5820 | if (changed.count("filestore_commit_timeout")) { | |
5821 | Mutex::Locker l(sync_entry_timeo_lock); | |
5822 | m_filestore_commit_timeout = conf->filestore_commit_timeout; | |
5823 | } | |
5824 | if (changed.count("filestore_dump_file")) { | |
5825 | if (conf->filestore_dump_file.length() && | |
5826 | conf->filestore_dump_file != "-") { | |
5827 | dump_start(conf->filestore_dump_file); | |
5828 | } else { | |
5829 | dump_stop(); | |
5830 | } | |
5831 | } | |
5832 | } | |
5833 | ||
5834 | int FileStore::set_throttle_params() | |
5835 | { | |
5836 | stringstream ss; | |
5837 | bool valid = throttle_bytes.set_params( | |
5838 | cct->_conf->filestore_queue_low_threshhold, | |
5839 | cct->_conf->filestore_queue_high_threshhold, | |
5840 | cct->_conf->filestore_expected_throughput_bytes, | |
5841 | cct->_conf->filestore_queue_high_delay_multiple, | |
5842 | cct->_conf->filestore_queue_max_delay_multiple, | |
5843 | cct->_conf->filestore_queue_max_bytes, | |
5844 | &ss); | |
5845 | ||
5846 | valid &= throttle_ops.set_params( | |
5847 | cct->_conf->filestore_queue_low_threshhold, | |
5848 | cct->_conf->filestore_queue_high_threshhold, | |
5849 | cct->_conf->filestore_expected_throughput_ops, | |
5850 | cct->_conf->filestore_queue_high_delay_multiple, | |
5851 | cct->_conf->filestore_queue_max_delay_multiple, | |
5852 | cct->_conf->filestore_queue_max_ops, | |
5853 | &ss); | |
5854 | ||
5855 | logger->set(l_filestore_op_queue_max_ops, throttle_ops.get_max()); | |
5856 | logger->set(l_filestore_op_queue_max_bytes, throttle_bytes.get_max()); | |
5857 | ||
5858 | if (!valid) { | |
5859 | derr << "tried to set invalid params: " | |
5860 | << ss.str() | |
5861 | << dendl; | |
5862 | } | |
5863 | return valid ? 0 : -EINVAL; | |
5864 | } | |
5865 | ||
5866 | void FileStore::dump_start(const std::string& file) | |
5867 | { | |
31f18b77 | 5868 | dout(10) << __FUNC__ << ": " << file << dendl; |
7c673cae FG |
5869 | if (m_filestore_do_dump) { |
5870 | dump_stop(); | |
5871 | } | |
5872 | m_filestore_dump_fmt.reset(); | |
5873 | m_filestore_dump_fmt.open_array_section("dump"); | |
5874 | m_filestore_dump.open(file.c_str()); | |
5875 | m_filestore_do_dump = true; | |
5876 | } | |
5877 | ||
5878 | void FileStore::dump_stop() | |
5879 | { | |
31f18b77 | 5880 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
5881 | m_filestore_do_dump = false; |
5882 | if (m_filestore_dump.is_open()) { | |
5883 | m_filestore_dump_fmt.close_section(); | |
5884 | m_filestore_dump_fmt.flush(m_filestore_dump); | |
5885 | m_filestore_dump.flush(); | |
5886 | m_filestore_dump.close(); | |
5887 | } | |
5888 | } | |
5889 | ||
5890 | void FileStore::dump_transactions(vector<ObjectStore::Transaction>& ls, uint64_t seq, OpSequencer *osr) | |
5891 | { | |
5892 | m_filestore_dump_fmt.open_array_section("transactions"); | |
5893 | unsigned trans_num = 0; | |
5894 | for (vector<ObjectStore::Transaction>::iterator i = ls.begin(); i != ls.end(); ++i, ++trans_num) { | |
5895 | m_filestore_dump_fmt.open_object_section("transaction"); | |
5896 | m_filestore_dump_fmt.dump_string("osr", osr->get_name()); | |
5897 | m_filestore_dump_fmt.dump_unsigned("seq", seq); | |
5898 | m_filestore_dump_fmt.dump_unsigned("trans_num", trans_num); | |
5899 | (*i).dump(&m_filestore_dump_fmt); | |
5900 | m_filestore_dump_fmt.close_section(); | |
5901 | } | |
5902 | m_filestore_dump_fmt.close_section(); | |
5903 | m_filestore_dump_fmt.flush(m_filestore_dump); | |
5904 | m_filestore_dump.flush(); | |
5905 | } | |
5906 | ||
5907 | void FileStore::set_xattr_limits_via_conf() | |
5908 | { | |
5909 | uint32_t fs_xattr_size; | |
5910 | uint32_t fs_xattrs; | |
5911 | uint32_t fs_xattr_max_value_size; | |
5912 | ||
5913 | switch (m_fs_type) { | |
5914 | #if defined(__linux__) | |
5915 | case XFS_SUPER_MAGIC: | |
5916 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_xfs; | |
5917 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_xfs; | |
5918 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_xfs; | |
5919 | break; | |
5920 | case BTRFS_SUPER_MAGIC: | |
5921 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_btrfs; | |
5922 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_btrfs; | |
5923 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_btrfs; | |
5924 | break; | |
5925 | #endif | |
5926 | default: | |
5927 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_other; | |
5928 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_other; | |
5929 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_other; | |
5930 | break; | |
5931 | } | |
5932 | ||
5933 | // Use override value if set | |
5934 | if (cct->_conf->filestore_max_inline_xattr_size) | |
5935 | m_filestore_max_inline_xattr_size = cct->_conf->filestore_max_inline_xattr_size; | |
5936 | else | |
5937 | m_filestore_max_inline_xattr_size = fs_xattr_size; | |
5938 | ||
5939 | // Use override value if set | |
5940 | if (cct->_conf->filestore_max_inline_xattrs) | |
5941 | m_filestore_max_inline_xattrs = cct->_conf->filestore_max_inline_xattrs; | |
5942 | else | |
5943 | m_filestore_max_inline_xattrs = fs_xattrs; | |
5944 | ||
5945 | // Use override value if set | |
5946 | if (cct->_conf->filestore_max_xattr_value_size) | |
5947 | m_filestore_max_xattr_value_size = cct->_conf->filestore_max_xattr_value_size; | |
5948 | else | |
5949 | m_filestore_max_xattr_value_size = fs_xattr_max_value_size; | |
5950 | ||
5951 | if (m_filestore_max_xattr_value_size < cct->_conf->osd_max_object_name_len) { | |
5952 | derr << "WARNING: max attr value size (" | |
5953 | << m_filestore_max_xattr_value_size | |
5954 | << ") is smaller than osd_max_object_name_len (" | |
5955 | << cct->_conf->osd_max_object_name_len | |
5956 | << "). Your backend filesystem appears to not support attrs large " | |
5957 | << "enough to handle the configured max rados name size. You may get " | |
5958 | << "unexpected ENAMETOOLONG errors on rados operations or buggy " | |
5959 | << "behavior" | |
5960 | << dendl; | |
5961 | } | |
5962 | } | |
5963 | ||
5964 | uint64_t FileStore::estimate_objects_overhead(uint64_t num_objects) | |
5965 | { | |
5966 | uint64_t res = num_objects * blk_size / 2; //assumes that each object uses ( in average ) additional 1/2 block due to FS allocation granularity. | |
5967 | return res; | |
5968 | } | |
5969 | ||
5970 | int FileStore::apply_layout_settings(const coll_t &cid) | |
5971 | { | |
31f18b77 | 5972 | dout(20) << __FUNC__ << ": " << cid << dendl; |
7c673cae FG |
5973 | Index index; |
5974 | int r = get_index(cid, &index); | |
5975 | if (r < 0) { | |
5976 | dout(10) << "Error getting index for " << cid << ": " << cpp_strerror(r) | |
5977 | << dendl; | |
5978 | return r; | |
5979 | } | |
5980 | ||
5981 | return index->apply_layout_settings(); | |
5982 | } | |
5983 | ||
5984 | ||
5985 | // -- FSSuperblock -- | |
5986 | ||
5987 | void FSSuperblock::encode(bufferlist &bl) const | |
5988 | { | |
5989 | ENCODE_START(2, 1, bl); | |
5990 | compat_features.encode(bl); | |
5991 | ::encode(omap_backend, bl); | |
5992 | ENCODE_FINISH(bl); | |
5993 | } | |
5994 | ||
5995 | void FSSuperblock::decode(bufferlist::iterator &bl) | |
5996 | { | |
5997 | DECODE_START(2, bl); | |
5998 | compat_features.decode(bl); | |
5999 | if (struct_v >= 2) | |
6000 | ::decode(omap_backend, bl); | |
6001 | else | |
6002 | omap_backend = "leveldb"; | |
6003 | DECODE_FINISH(bl); | |
6004 | } | |
6005 | ||
6006 | void FSSuperblock::dump(Formatter *f) const | |
6007 | { | |
6008 | f->open_object_section("compat"); | |
6009 | compat_features.dump(f); | |
6010 | f->dump_string("omap_backend", omap_backend); | |
6011 | f->close_section(); | |
6012 | } | |
6013 | ||
6014 | void FSSuperblock::generate_test_instances(list<FSSuperblock*>& o) | |
6015 | { | |
6016 | FSSuperblock z; | |
6017 | o.push_back(new FSSuperblock(z)); | |
6018 | CompatSet::FeatureSet feature_compat; | |
6019 | CompatSet::FeatureSet feature_ro_compat; | |
6020 | CompatSet::FeatureSet feature_incompat; | |
6021 | feature_incompat.insert(CEPH_FS_FEATURE_INCOMPAT_SHARDS); | |
6022 | z.compat_features = CompatSet(feature_compat, feature_ro_compat, | |
6023 | feature_incompat); | |
6024 | o.push_back(new FSSuperblock(z)); | |
6025 | z.omap_backend = "rocksdb"; | |
6026 | o.push_back(new FSSuperblock(z)); | |
6027 | } |