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