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7c673cae FG |
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> | |
11fdf7f2 | 31 | #include <linux/falloc.h> |
7c673cae FG |
32 | #endif |
33 | ||
34 | #include <iostream> | |
35 | #include <map> | |
36 | ||
37 | #include "include/linux_fiemap.h" | |
38 | ||
39 | #include "common/xattr.h" | |
40 | #include "chain_xattr.h" | |
41 | ||
11fdf7f2 | 42 | #if defined(__APPLE__) || defined(__FreeBSD__) |
7c673cae FG |
43 | #include <sys/param.h> |
44 | #include <sys/mount.h> | |
11fdf7f2 | 45 | #endif |
7c673cae FG |
46 | |
47 | ||
48 | #include <fstream> | |
49 | #include <sstream> | |
50 | ||
51 | #include "FileStore.h" | |
52 | #include "GenericFileStoreBackend.h" | |
53 | #include "BtrfsFileStoreBackend.h" | |
54 | #include "XfsFileStoreBackend.h" | |
55 | #include "ZFSFileStoreBackend.h" | |
56 | #include "common/BackTrace.h" | |
57 | #include "include/types.h" | |
58 | #include "FileJournal.h" | |
59 | ||
60 | #include "osd/osd_types.h" | |
61 | #include "include/color.h" | |
62 | #include "include/buffer.h" | |
63 | ||
64 | #include "common/Timer.h" | |
65 | #include "common/debug.h" | |
66 | #include "common/errno.h" | |
67 | #include "common/run_cmd.h" | |
68 | #include "common/safe_io.h" | |
69 | #include "common/perf_counters.h" | |
70 | #include "common/sync_filesystem.h" | |
71 | #include "common/fd.h" | |
72 | #include "HashIndex.h" | |
73 | #include "DBObjectMap.h" | |
74 | #include "kv/KeyValueDB.h" | |
75 | ||
76 | #include "common/ceph_crypto.h" | |
77 | using ceph::crypto::SHA1; | |
78 | ||
11fdf7f2 | 79 | #include "include/ceph_assert.h" |
7c673cae FG |
80 | |
81 | #include "common/config.h" | |
82 | #include "common/blkdev.h" | |
83 | ||
84 | #ifdef WITH_LTTNG | |
85 | #define TRACEPOINT_DEFINE | |
86 | #define TRACEPOINT_PROBE_DYNAMIC_LINKAGE | |
87 | #include "tracing/objectstore.h" | |
88 | #undef TRACEPOINT_PROBE_DYNAMIC_LINKAGE | |
89 | #undef TRACEPOINT_DEFINE | |
90 | #else | |
91 | #define tracepoint(...) | |
92 | #endif | |
93 | ||
94 | #define dout_context cct | |
95 | #define dout_subsys ceph_subsys_filestore | |
96 | #undef dout_prefix | |
97 | #define dout_prefix *_dout << "filestore(" << basedir << ") " | |
98 | ||
99 | #define COMMIT_SNAP_ITEM "snap_%llu" | |
100 | #define CLUSTER_SNAP_ITEM "clustersnap_%s" | |
101 | ||
102 | #define REPLAY_GUARD_XATTR "user.cephos.seq" | |
103 | #define GLOBAL_REPLAY_GUARD_XATTR "user.cephos.gseq" | |
104 | ||
105 | // XATTR_SPILL_OUT_NAME as a xattr is used to maintain that indicates whether | |
106 | // xattrs spill over into DBObjectMap, if XATTR_SPILL_OUT_NAME exists in file | |
107 | // xattrs and the value is "no", it indicates no xattrs in DBObjectMap | |
108 | #define XATTR_SPILL_OUT_NAME "user.cephos.spill_out" | |
109 | #define XATTR_NO_SPILL_OUT "0" | |
110 | #define XATTR_SPILL_OUT "1" | |
31f18b77 | 111 | #define __FUNC__ __func__ << "(" << __LINE__ << ")" |
7c673cae FG |
112 | |
113 | //Initial features in new superblock. | |
114 | static CompatSet get_fs_initial_compat_set() { | |
115 | CompatSet::FeatureSet ceph_osd_feature_compat; | |
116 | CompatSet::FeatureSet ceph_osd_feature_ro_compat; | |
117 | CompatSet::FeatureSet ceph_osd_feature_incompat; | |
118 | return CompatSet(ceph_osd_feature_compat, ceph_osd_feature_ro_compat, | |
119 | ceph_osd_feature_incompat); | |
120 | } | |
121 | ||
122 | //Features are added here that this FileStore supports. | |
123 | static CompatSet get_fs_supported_compat_set() { | |
124 | CompatSet compat = get_fs_initial_compat_set(); | |
125 | //Any features here can be set in code, but not in initial superblock | |
126 | compat.incompat.insert(CEPH_FS_FEATURE_INCOMPAT_SHARDS); | |
127 | return compat; | |
128 | } | |
129 | ||
130 | int FileStore::validate_hobject_key(const hobject_t &obj) const | |
131 | { | |
132 | unsigned len = LFNIndex::get_max_escaped_name_len(obj); | |
133 | return len > m_filestore_max_xattr_value_size ? -ENAMETOOLONG : 0; | |
134 | } | |
135 | ||
136 | int FileStore::get_block_device_fsid(CephContext* cct, const string& path, | |
137 | uuid_d *fsid) | |
138 | { | |
139 | // make sure we don't try to use aio or direct_io (and get annoying | |
140 | // error messages from failing to do so); performance implications | |
141 | // should be irrelevant for this use | |
142 | FileJournal j(cct, *fsid, 0, 0, path.c_str(), false, false); | |
143 | return j.peek_fsid(*fsid); | |
144 | } | |
145 | ||
146 | void FileStore::FSPerfTracker::update_from_perfcounters( | |
147 | PerfCounters &logger) | |
148 | { | |
11fdf7f2 TL |
149 | os_commit_latency_ns.consume_next( |
150 | logger.get_tavg_ns( | |
7c673cae | 151 | l_filestore_journal_latency)); |
11fdf7f2 TL |
152 | os_apply_latency_ns.consume_next( |
153 | logger.get_tavg_ns( | |
7c673cae FG |
154 | l_filestore_apply_latency)); |
155 | } | |
156 | ||
157 | ||
158 | ostream& operator<<(ostream& out, const FileStore::OpSequencer& s) | |
159 | { | |
11fdf7f2 | 160 | return out << "osr(" << s.cid << ")"; |
7c673cae FG |
161 | } |
162 | ||
163 | int FileStore::get_cdir(const coll_t& cid, char *s, int len) | |
164 | { | |
165 | const string &cid_str(cid.to_str()); | |
166 | return snprintf(s, len, "%s/current/%s", basedir.c_str(), cid_str.c_str()); | |
167 | } | |
168 | ||
11fdf7f2 TL |
169 | void FileStore::handle_eio() |
170 | { | |
171 | // don't try to map this back to an offset; too hard since there is | |
172 | // a file system in between. we also don't really know whether this | |
173 | // was a read or a write, since we have so many layers beneath us. | |
174 | // don't even try. | |
175 | note_io_error_event(devname.c_str(), basedir.c_str(), -EIO, 0, 0, 0); | |
176 | ceph_abort_msg("unexpected eio error"); | |
177 | } | |
178 | ||
7c673cae FG |
179 | int FileStore::get_index(const coll_t& cid, Index *index) |
180 | { | |
181 | int r = index_manager.get_index(cid, basedir, index); | |
11fdf7f2 | 182 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
183 | return r; |
184 | } | |
185 | ||
186 | int FileStore::init_index(const coll_t& cid) | |
187 | { | |
188 | char path[PATH_MAX]; | |
189 | get_cdir(cid, path, sizeof(path)); | |
190 | int r = index_manager.init_index(cid, path, target_version); | |
11fdf7f2 | 191 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
192 | return r; |
193 | } | |
194 | ||
195 | int FileStore::lfn_find(const ghobject_t& oid, const Index& index, IndexedPath *path) | |
196 | { | |
197 | IndexedPath path2; | |
198 | if (!path) | |
199 | path = &path2; | |
200 | int r, exist; | |
11fdf7f2 | 201 | ceph_assert(index.index); |
7c673cae FG |
202 | r = (index.index)->lookup(oid, path, &exist); |
203 | if (r < 0) { | |
11fdf7f2 | 204 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
205 | return r; |
206 | } | |
207 | if (!exist) | |
208 | return -ENOENT; | |
209 | return 0; | |
210 | } | |
211 | ||
212 | int FileStore::lfn_truncate(const coll_t& cid, const ghobject_t& oid, off_t length) | |
213 | { | |
214 | FDRef fd; | |
215 | int r = lfn_open(cid, oid, false, &fd); | |
216 | if (r < 0) | |
217 | return r; | |
218 | r = ::ftruncate(**fd, length); | |
219 | if (r < 0) | |
220 | r = -errno; | |
221 | if (r >= 0 && m_filestore_sloppy_crc) { | |
222 | int rc = backend->_crc_update_truncate(**fd, length); | |
11fdf7f2 | 223 | ceph_assert(rc >= 0); |
7c673cae FG |
224 | } |
225 | lfn_close(fd); | |
11fdf7f2 | 226 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
227 | return r; |
228 | } | |
229 | ||
230 | int FileStore::lfn_stat(const coll_t& cid, const ghobject_t& oid, struct stat *buf) | |
231 | { | |
232 | IndexedPath path; | |
233 | Index index; | |
234 | int r = get_index(cid, &index); | |
235 | if (r < 0) | |
236 | return r; | |
237 | ||
11fdf7f2 | 238 | ceph_assert(index.index); |
7c673cae FG |
239 | RWLock::RLocker l((index.index)->access_lock); |
240 | ||
241 | r = lfn_find(oid, index, &path); | |
242 | if (r < 0) | |
243 | return r; | |
244 | r = ::stat(path->path(), buf); | |
245 | if (r < 0) | |
246 | r = -errno; | |
247 | return r; | |
248 | } | |
249 | ||
250 | int FileStore::lfn_open(const coll_t& cid, | |
251 | const ghobject_t& oid, | |
252 | bool create, | |
253 | FDRef *outfd, | |
254 | Index *index) | |
255 | { | |
11fdf7f2 | 256 | ceph_assert(outfd); |
7c673cae FG |
257 | int r = 0; |
258 | bool need_lock = true; | |
259 | int flags = O_RDWR; | |
260 | ||
261 | if (create) | |
262 | flags |= O_CREAT; | |
263 | if (cct->_conf->filestore_odsync_write) { | |
264 | flags |= O_DSYNC; | |
265 | } | |
266 | ||
267 | Index index2; | |
268 | if (!index) { | |
269 | index = &index2; | |
270 | } | |
271 | if (!((*index).index)) { | |
272 | r = get_index(cid, index); | |
273 | if (r < 0) { | |
31f18b77 | 274 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
275 | return r; |
276 | } | |
277 | } else { | |
278 | need_lock = false; | |
279 | } | |
280 | ||
281 | int fd, exist; | |
11fdf7f2 | 282 | ceph_assert((*index).index); |
7c673cae FG |
283 | if (need_lock) { |
284 | ((*index).index)->access_lock.get_write(); | |
285 | } | |
286 | if (!replaying) { | |
287 | *outfd = fdcache.lookup(oid); | |
288 | if (*outfd) { | |
289 | if (need_lock) { | |
290 | ((*index).index)->access_lock.put_write(); | |
291 | } | |
292 | return 0; | |
293 | } | |
294 | } | |
295 | ||
296 | ||
297 | IndexedPath path2; | |
298 | IndexedPath *path = &path2; | |
299 | ||
300 | r = (*index)->lookup(oid, path, &exist); | |
301 | if (r < 0) { | |
302 | derr << "could not find " << oid << " in index: " | |
303 | << cpp_strerror(-r) << dendl; | |
304 | goto fail; | |
305 | } | |
306 | ||
91327a77 | 307 | r = ::open((*path)->path(), flags|O_CLOEXEC, 0644); |
7c673cae FG |
308 | if (r < 0) { |
309 | r = -errno; | |
310 | dout(10) << "error opening file " << (*path)->path() << " with flags=" | |
311 | << flags << ": " << cpp_strerror(-r) << dendl; | |
312 | goto fail; | |
313 | } | |
314 | fd = r; | |
315 | if (create && (!exist)) { | |
316 | r = (*index)->created(oid, (*path)->path()); | |
317 | if (r < 0) { | |
318 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
319 | derr << "error creating " << oid << " (" << (*path)->path() | |
320 | << ") in index: " << cpp_strerror(-r) << dendl; | |
321 | goto fail; | |
322 | } | |
323 | r = chain_fsetxattr<true, true>( | |
324 | fd, XATTR_SPILL_OUT_NAME, | |
325 | XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT)); | |
326 | if (r < 0) { | |
327 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
328 | derr << "error setting spillout xattr for oid " << oid << " (" << (*path)->path() | |
329 | << "):" << cpp_strerror(-r) << dendl; | |
330 | goto fail; | |
331 | } | |
332 | } | |
333 | ||
334 | if (!replaying) { | |
335 | bool existed; | |
336 | *outfd = fdcache.add(oid, fd, &existed); | |
337 | if (existed) { | |
338 | TEMP_FAILURE_RETRY(::close(fd)); | |
339 | } | |
340 | } else { | |
341 | *outfd = std::make_shared<FDCache::FD>(fd); | |
342 | } | |
343 | ||
344 | if (need_lock) { | |
345 | ((*index).index)->access_lock.put_write(); | |
346 | } | |
347 | ||
348 | return 0; | |
349 | ||
350 | fail: | |
351 | ||
352 | if (need_lock) { | |
353 | ((*index).index)->access_lock.put_write(); | |
354 | } | |
355 | ||
11fdf7f2 | 356 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
357 | return r; |
358 | } | |
359 | ||
360 | void FileStore::lfn_close(FDRef fd) | |
361 | { | |
362 | } | |
363 | ||
364 | int FileStore::lfn_link(const coll_t& c, const coll_t& newcid, const ghobject_t& o, const ghobject_t& newoid) | |
365 | { | |
366 | Index index_new, index_old; | |
367 | IndexedPath path_new, path_old; | |
368 | int exist; | |
369 | int r; | |
370 | bool index_same = false; | |
371 | if (c < newcid) { | |
372 | r = get_index(newcid, &index_new); | |
373 | if (r < 0) | |
374 | return r; | |
375 | r = get_index(c, &index_old); | |
376 | if (r < 0) | |
377 | return r; | |
378 | } else if (c == newcid) { | |
379 | r = get_index(c, &index_old); | |
380 | if (r < 0) | |
381 | return r; | |
382 | index_new = index_old; | |
383 | index_same = true; | |
384 | } else { | |
385 | r = get_index(c, &index_old); | |
386 | if (r < 0) | |
387 | return r; | |
388 | r = get_index(newcid, &index_new); | |
389 | if (r < 0) | |
390 | return r; | |
391 | } | |
392 | ||
11fdf7f2 TL |
393 | ceph_assert(index_old.index); |
394 | ceph_assert(index_new.index); | |
7c673cae FG |
395 | |
396 | if (!index_same) { | |
397 | ||
398 | RWLock::RLocker l1((index_old.index)->access_lock); | |
399 | ||
400 | r = index_old->lookup(o, &path_old, &exist); | |
401 | if (r < 0) { | |
11fdf7f2 | 402 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
403 | return r; |
404 | } | |
405 | if (!exist) | |
406 | return -ENOENT; | |
407 | ||
408 | RWLock::WLocker l2((index_new.index)->access_lock); | |
409 | ||
410 | r = index_new->lookup(newoid, &path_new, &exist); | |
411 | if (r < 0) { | |
11fdf7f2 | 412 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
413 | return r; |
414 | } | |
415 | if (exist) | |
416 | return -EEXIST; | |
417 | ||
31f18b77 FG |
418 | dout(25) << __FUNC__ << ": path_old: " << path_old << dendl; |
419 | dout(25) << __FUNC__ << ": path_new: " << path_new << dendl; | |
7c673cae FG |
420 | r = ::link(path_old->path(), path_new->path()); |
421 | if (r < 0) | |
422 | return -errno; | |
423 | ||
424 | r = index_new->created(newoid, path_new->path()); | |
425 | if (r < 0) { | |
11fdf7f2 | 426 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
427 | return r; |
428 | } | |
429 | } else { | |
430 | RWLock::WLocker l1((index_old.index)->access_lock); | |
431 | ||
432 | r = index_old->lookup(o, &path_old, &exist); | |
433 | if (r < 0) { | |
11fdf7f2 | 434 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
435 | return r; |
436 | } | |
437 | if (!exist) | |
438 | return -ENOENT; | |
439 | ||
440 | r = index_new->lookup(newoid, &path_new, &exist); | |
441 | if (r < 0) { | |
11fdf7f2 | 442 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
443 | return r; |
444 | } | |
445 | if (exist) | |
446 | return -EEXIST; | |
447 | ||
31f18b77 FG |
448 | dout(25) << __FUNC__ << ": path_old: " << path_old << dendl; |
449 | dout(25) << __FUNC__ << ": path_new: " << path_new << dendl; | |
7c673cae FG |
450 | r = ::link(path_old->path(), path_new->path()); |
451 | if (r < 0) | |
452 | return -errno; | |
453 | ||
454 | // make sure old fd for unlinked/overwritten file is gone | |
455 | fdcache.clear(newoid); | |
456 | ||
457 | r = index_new->created(newoid, path_new->path()); | |
458 | if (r < 0) { | |
11fdf7f2 | 459 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
460 | return r; |
461 | } | |
462 | } | |
463 | return 0; | |
464 | } | |
465 | ||
466 | int FileStore::lfn_unlink(const coll_t& cid, const ghobject_t& o, | |
467 | const SequencerPosition &spos, | |
468 | bool force_clear_omap) | |
469 | { | |
470 | Index index; | |
471 | int r = get_index(cid, &index); | |
472 | if (r < 0) { | |
31f18b77 | 473 | dout(25) << __FUNC__ << ": get_index failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
474 | return r; |
475 | } | |
476 | ||
11fdf7f2 | 477 | ceph_assert(index.index); |
7c673cae FG |
478 | RWLock::WLocker l((index.index)->access_lock); |
479 | ||
480 | { | |
481 | IndexedPath path; | |
482 | int hardlink; | |
483 | r = index->lookup(o, &path, &hardlink); | |
484 | if (r < 0) { | |
11fdf7f2 | 485 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
486 | return r; |
487 | } | |
488 | ||
489 | if (!force_clear_omap) { | |
490 | if (hardlink == 0 || hardlink == 1) { | |
491 | force_clear_omap = true; | |
492 | } | |
493 | } | |
494 | if (force_clear_omap) { | |
31f18b77 | 495 | dout(20) << __FUNC__ << ": clearing omap on " << o |
7c673cae FG |
496 | << " in cid " << cid << dendl; |
497 | r = object_map->clear(o, &spos); | |
498 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 499 | dout(25) << __FUNC__ << ": omap clear failed " << cpp_strerror(r) << dendl; |
11fdf7f2 | 500 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
501 | return r; |
502 | } | |
503 | if (cct->_conf->filestore_debug_inject_read_err) { | |
504 | debug_obj_on_delete(o); | |
505 | } | |
506 | if (!m_disable_wbthrottle) { | |
507 | wbthrottle.clear_object(o); // should be only non-cache ref | |
508 | } | |
509 | fdcache.clear(o); | |
510 | } else { | |
511 | /* Ensure that replay of this op doesn't result in the object_map | |
512 | * going away. | |
513 | */ | |
514 | if (!backend->can_checkpoint()) | |
515 | object_map->sync(&o, &spos); | |
516 | } | |
517 | if (hardlink == 0) { | |
518 | if (!m_disable_wbthrottle) { | |
519 | wbthrottle.clear_object(o); // should be only non-cache ref | |
520 | } | |
521 | return 0; | |
522 | } | |
523 | } | |
524 | r = index->unlink(o); | |
525 | if (r < 0) { | |
31f18b77 | 526 | dout(25) << __FUNC__ << ": index unlink failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
527 | return r; |
528 | } | |
529 | return 0; | |
530 | } | |
531 | ||
532 | FileStore::FileStore(CephContext* cct, const std::string &base, | |
533 | const std::string &jdev, osflagbits_t flags, | |
534 | const char *name, bool do_update) : | |
535 | JournalingObjectStore(cct, base), | |
536 | internal_name(name), | |
537 | basedir(base), journalpath(jdev), | |
538 | generic_flags(flags), | |
539 | blk_size(0), | |
540 | fsid_fd(-1), op_fd(-1), | |
541 | basedir_fd(-1), current_fd(-1), | |
11fdf7f2 | 542 | backend(nullptr), |
7c673cae FG |
543 | index_manager(cct, do_update), |
544 | lock("FileStore::lock"), | |
545 | force_sync(false), | |
546 | sync_entry_timeo_lock("FileStore::sync_entry_timeo_lock"), | |
547 | timer(cct, sync_entry_timeo_lock), | |
548 | stop(false), sync_thread(this), | |
11fdf7f2 | 549 | coll_lock("FileStore::coll_lock"), |
7c673cae FG |
550 | fdcache(cct), |
551 | wbthrottle(cct), | |
552 | next_osr_id(0), | |
553 | m_disable_wbthrottle(cct->_conf->filestore_odsync_write || | |
554 | !cct->_conf->filestore_wbthrottle_enable), | |
555 | throttle_ops(cct, "filestore_ops", cct->_conf->filestore_caller_concurrency), | |
556 | throttle_bytes(cct, "filestore_bytes", cct->_conf->filestore_caller_concurrency), | |
557 | m_ondisk_finisher_num(cct->_conf->filestore_ondisk_finisher_threads), | |
558 | m_apply_finisher_num(cct->_conf->filestore_apply_finisher_threads), | |
559 | op_tp(cct, "FileStore::op_tp", "tp_fstore_op", cct->_conf->filestore_op_threads, "filestore_op_threads"), | |
560 | op_wq(this, cct->_conf->filestore_op_thread_timeout, | |
561 | cct->_conf->filestore_op_thread_suicide_timeout, &op_tp), | |
11fdf7f2 | 562 | logger(nullptr), |
7c673cae FG |
563 | trace_endpoint("0.0.0.0", 0, "FileStore"), |
564 | read_error_lock("FileStore::read_error_lock"), | |
565 | m_filestore_commit_timeout(cct->_conf->filestore_commit_timeout), | |
566 | m_filestore_journal_parallel(cct->_conf->filestore_journal_parallel ), | |
567 | m_filestore_journal_trailing(cct->_conf->filestore_journal_trailing), | |
568 | m_filestore_journal_writeahead(cct->_conf->filestore_journal_writeahead), | |
569 | m_filestore_fiemap_threshold(cct->_conf->filestore_fiemap_threshold), | |
570 | m_filestore_max_sync_interval(cct->_conf->filestore_max_sync_interval), | |
571 | m_filestore_min_sync_interval(cct->_conf->filestore_min_sync_interval), | |
572 | m_filestore_fail_eio(cct->_conf->filestore_fail_eio), | |
573 | m_filestore_fadvise(cct->_conf->filestore_fadvise), | |
574 | do_update(do_update), | |
575 | m_journal_dio(cct->_conf->journal_dio), | |
576 | m_journal_aio(cct->_conf->journal_aio), | |
577 | m_journal_force_aio(cct->_conf->journal_force_aio), | |
578 | m_osd_rollback_to_cluster_snap(cct->_conf->osd_rollback_to_cluster_snap), | |
579 | m_osd_use_stale_snap(cct->_conf->osd_use_stale_snap), | |
580 | m_filestore_do_dump(false), | |
581 | m_filestore_dump_fmt(true), | |
582 | m_filestore_sloppy_crc(cct->_conf->filestore_sloppy_crc), | |
583 | m_filestore_sloppy_crc_block_size(cct->_conf->filestore_sloppy_crc_block_size), | |
584 | m_filestore_max_alloc_hint_size(cct->_conf->filestore_max_alloc_hint_size), | |
585 | m_fs_type(0), | |
586 | m_filestore_max_inline_xattr_size(0), | |
587 | m_filestore_max_inline_xattrs(0), | |
588 | m_filestore_max_xattr_value_size(0) | |
589 | { | |
31f18b77 | 590 | m_filestore_kill_at = cct->_conf->filestore_kill_at; |
7c673cae FG |
591 | for (int i = 0; i < m_ondisk_finisher_num; ++i) { |
592 | ostringstream oss; | |
593 | oss << "filestore-ondisk-" << i; | |
594 | Finisher *f = new Finisher(cct, oss.str(), "fn_odsk_fstore"); | |
595 | ondisk_finishers.push_back(f); | |
596 | } | |
597 | for (int i = 0; i < m_apply_finisher_num; ++i) { | |
598 | ostringstream oss; | |
599 | oss << "filestore-apply-" << i; | |
600 | Finisher *f = new Finisher(cct, oss.str(), "fn_appl_fstore"); | |
601 | apply_finishers.push_back(f); | |
602 | } | |
603 | ||
604 | ostringstream oss; | |
605 | oss << basedir << "/current"; | |
606 | current_fn = oss.str(); | |
607 | ||
608 | ostringstream sss; | |
609 | sss << basedir << "/current/commit_op_seq"; | |
610 | current_op_seq_fn = sss.str(); | |
611 | ||
612 | ostringstream omss; | |
613 | if (cct->_conf->filestore_omap_backend_path != "") { | |
614 | omap_dir = cct->_conf->filestore_omap_backend_path; | |
615 | } else { | |
616 | omss << basedir << "/current/omap"; | |
617 | omap_dir = omss.str(); | |
618 | } | |
619 | ||
620 | // initialize logger | |
621 | PerfCountersBuilder plb(cct, internal_name, l_filestore_first, l_filestore_last); | |
622 | ||
623 | plb.add_u64(l_filestore_journal_queue_ops, "journal_queue_ops", "Operations in journal queue"); | |
624 | plb.add_u64(l_filestore_journal_ops, "journal_ops", "Active journal entries to be applied"); | |
625 | plb.add_u64(l_filestore_journal_queue_bytes, "journal_queue_bytes", "Size of journal queue"); | |
626 | plb.add_u64(l_filestore_journal_bytes, "journal_bytes", "Active journal operation size to be applied"); | |
28e407b8 AA |
627 | plb.add_time_avg(l_filestore_journal_latency, "journal_latency", "Average journal queue completing latency", |
628 | NULL, PerfCountersBuilder::PRIO_USEFUL); | |
7c673cae FG |
629 | plb.add_u64_counter(l_filestore_journal_wr, "journal_wr", "Journal write IOs"); |
630 | plb.add_u64_avg(l_filestore_journal_wr_bytes, "journal_wr_bytes", "Journal data written"); | |
631 | plb.add_u64(l_filestore_op_queue_max_ops, "op_queue_max_ops", "Max operations in writing to FS queue"); | |
632 | plb.add_u64(l_filestore_op_queue_ops, "op_queue_ops", "Operations in writing to FS queue"); | |
633 | plb.add_u64_counter(l_filestore_ops, "ops", "Operations written to store"); | |
634 | plb.add_u64(l_filestore_op_queue_max_bytes, "op_queue_max_bytes", "Max data in writing to FS queue"); | |
635 | plb.add_u64(l_filestore_op_queue_bytes, "op_queue_bytes", "Size of writing to FS queue"); | |
636 | plb.add_u64_counter(l_filestore_bytes, "bytes", "Data written to store"); | |
637 | plb.add_time_avg(l_filestore_apply_latency, "apply_latency", "Apply latency"); | |
638 | plb.add_u64(l_filestore_committing, "committing", "Is currently committing"); | |
639 | ||
640 | plb.add_u64_counter(l_filestore_commitcycle, "commitcycle", "Commit cycles"); | |
641 | plb.add_time_avg(l_filestore_commitcycle_interval, "commitcycle_interval", "Average interval between commits"); | |
642 | plb.add_time_avg(l_filestore_commitcycle_latency, "commitcycle_latency", "Average latency of commit"); | |
643 | plb.add_u64_counter(l_filestore_journal_full, "journal_full", "Journal writes while full"); | |
28e407b8 AA |
644 | plb.add_time_avg(l_filestore_queue_transaction_latency_avg, "queue_transaction_latency_avg", |
645 | "Store operation queue latency", NULL, PerfCountersBuilder::PRIO_USEFUL); | |
224ce89b | 646 | plb.add_time(l_filestore_sync_pause_max_lat, "sync_pause_max_latency", "Max latency of op_wq pause before syncfs"); |
7c673cae FG |
647 | |
648 | logger = plb.create_perf_counters(); | |
649 | ||
650 | cct->get_perfcounters_collection()->add(logger); | |
11fdf7f2 | 651 | cct->_conf.add_observer(this); |
7c673cae FG |
652 | |
653 | superblock.compat_features = get_fs_initial_compat_set(); | |
654 | } | |
655 | ||
656 | FileStore::~FileStore() | |
657 | { | |
658 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
659 | delete *it; | |
11fdf7f2 | 660 | *it = nullptr; |
7c673cae FG |
661 | } |
662 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
663 | delete *it; | |
11fdf7f2 | 664 | *it = nullptr; |
7c673cae | 665 | } |
11fdf7f2 | 666 | cct->_conf.remove_observer(this); |
7c673cae FG |
667 | cct->get_perfcounters_collection()->remove(logger); |
668 | ||
669 | if (journal) | |
11fdf7f2 | 670 | journal->logger = nullptr; |
7c673cae | 671 | delete logger; |
11fdf7f2 | 672 | logger = nullptr; |
7c673cae FG |
673 | |
674 | if (m_filestore_do_dump) { | |
675 | dump_stop(); | |
676 | } | |
677 | } | |
678 | ||
679 | static void get_attrname(const char *name, char *buf, int len) | |
680 | { | |
681 | snprintf(buf, len, "user.ceph.%s", name); | |
682 | } | |
683 | ||
684 | bool parse_attrname(char **name) | |
685 | { | |
686 | if (strncmp(*name, "user.ceph.", 10) == 0) { | |
687 | *name += 10; | |
688 | return true; | |
689 | } | |
690 | return false; | |
691 | } | |
692 | ||
693 | void FileStore::collect_metadata(map<string,string> *pm) | |
694 | { | |
695 | char partition_path[PATH_MAX]; | |
696 | char dev_node[PATH_MAX]; | |
7c673cae FG |
697 | |
698 | (*pm)["filestore_backend"] = backend->get_name(); | |
699 | ostringstream ss; | |
700 | ss << "0x" << std::hex << m_fs_type << std::dec; | |
701 | (*pm)["filestore_f_type"] = ss.str(); | |
702 | ||
703 | if (cct->_conf->filestore_collect_device_partition_information) { | |
11fdf7f2 TL |
704 | int rc = 0; |
705 | BlkDev blkdev(fsid_fd); | |
706 | if (rc = blkdev.partition(partition_path, PATH_MAX); rc) { | |
7c673cae | 707 | (*pm)["backend_filestore_partition_path"] = "unknown"; |
11fdf7f2 | 708 | } else { |
7c673cae | 709 | (*pm)["backend_filestore_partition_path"] = string(partition_path); |
11fdf7f2 TL |
710 | } |
711 | if (rc = blkdev.wholedisk(dev_node, PATH_MAX); rc) { | |
7c673cae | 712 | (*pm)["backend_filestore_dev_node"] = "unknown"; |
11fdf7f2 | 713 | } else { |
7c673cae | 714 | (*pm)["backend_filestore_dev_node"] = string(dev_node); |
11fdf7f2 TL |
715 | devname = dev_node; |
716 | } | |
717 | if (rc == 0 && vdo_fd >= 0) { | |
718 | (*pm)["vdo"] = "true"; | |
719 | (*pm)["vdo_physical_size"] = | |
720 | stringify(4096 * get_vdo_stat(vdo_fd, "physical_blocks")); | |
721 | } | |
722 | if (journal) { | |
723 | journal->collect_metadata(pm); | |
724 | } | |
7c673cae FG |
725 | } |
726 | } | |
727 | ||
11fdf7f2 TL |
728 | int FileStore::get_devices(set<string> *ls) |
729 | { | |
730 | string dev_node; | |
731 | BlkDev blkdev(fsid_fd); | |
732 | if (int rc = blkdev.wholedisk(&dev_node); rc) { | |
733 | return rc; | |
734 | } | |
735 | get_raw_devices(dev_node, ls); | |
736 | if (journal) { | |
737 | journal->get_devices(ls); | |
738 | } | |
739 | return 0; | |
740 | } | |
741 | ||
742 | int FileStore::statfs(struct store_statfs_t *buf0, osd_alert_list_t* alerts) | |
7c673cae FG |
743 | { |
744 | struct statfs buf; | |
745 | buf0->reset(); | |
11fdf7f2 TL |
746 | if (alerts) { |
747 | alerts->clear(); // returns nothing for now | |
748 | } | |
7c673cae FG |
749 | if (::statfs(basedir.c_str(), &buf) < 0) { |
750 | int r = -errno; | |
11fdf7f2 TL |
751 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
752 | ceph_assert(r != -ENOENT); | |
7c673cae FG |
753 | return r; |
754 | } | |
11fdf7f2 TL |
755 | |
756 | uint64_t bfree = buf.f_bavail * buf.f_bsize; | |
757 | ||
758 | // assume all of leveldb/rocksdb is omap. | |
759 | { | |
760 | map<string,uint64_t> kv_usage; | |
761 | buf0->omap_allocated += object_map->get_db()->get_estimated_size(kv_usage); | |
762 | } | |
763 | ||
764 | uint64_t thin_total, thin_avail; | |
765 | if (get_vdo_utilization(vdo_fd, &thin_total, &thin_avail)) { | |
766 | buf0->total = thin_total; | |
767 | bfree = std::min(bfree, thin_avail); | |
768 | buf0->allocated = thin_total - thin_avail; | |
769 | buf0->data_stored = bfree; | |
770 | } else { | |
771 | buf0->total = buf.f_blocks * buf.f_bsize; | |
772 | buf0->allocated = bfree; | |
773 | buf0->data_stored = bfree; | |
774 | } | |
775 | buf0->available = bfree; | |
776 | ||
777 | // FIXME: we don't know how to populate buf->internal_metadata; XFS doesn't | |
778 | // tell us what its internal overhead is. | |
779 | ||
7c673cae FG |
780 | // Adjust for writes pending in the journal |
781 | if (journal) { | |
782 | uint64_t estimate = journal->get_journal_size_estimate(); | |
11fdf7f2 | 783 | buf0->internally_reserved = estimate; |
7c673cae FG |
784 | if (buf0->available > estimate) |
785 | buf0->available -= estimate; | |
786 | else | |
787 | buf0->available = 0; | |
788 | } | |
11fdf7f2 | 789 | |
7c673cae FG |
790 | return 0; |
791 | } | |
792 | ||
11fdf7f2 TL |
793 | int FileStore::pool_statfs(uint64_t pool_id, struct store_statfs_t *buf) |
794 | { | |
795 | return -ENOTSUP; | |
796 | } | |
7c673cae FG |
797 | |
798 | void FileStore::new_journal() | |
799 | { | |
800 | if (journalpath.length()) { | |
801 | dout(10) << "open_journal at " << journalpath << dendl; | |
802 | journal = new FileJournal(cct, fsid, &finisher, &sync_cond, | |
803 | journalpath.c_str(), | |
804 | m_journal_dio, m_journal_aio, | |
805 | m_journal_force_aio); | |
806 | if (journal) | |
807 | journal->logger = logger; | |
808 | } | |
809 | return; | |
810 | } | |
811 | ||
812 | int FileStore::dump_journal(ostream& out) | |
813 | { | |
814 | int r; | |
815 | ||
816 | if (!journalpath.length()) | |
817 | return -EINVAL; | |
818 | ||
819 | FileJournal *journal = new FileJournal(cct, fsid, &finisher, &sync_cond, journalpath.c_str(), m_journal_dio); | |
820 | r = journal->dump(out); | |
821 | delete journal; | |
11fdf7f2 | 822 | journal = nullptr; |
7c673cae FG |
823 | return r; |
824 | } | |
825 | ||
11fdf7f2 | 826 | FileStoreBackend *FileStoreBackend::create(unsigned long f_type, FileStore *fs) |
7c673cae FG |
827 | { |
828 | switch (f_type) { | |
829 | #if defined(__linux__) | |
830 | case BTRFS_SUPER_MAGIC: | |
831 | return new BtrfsFileStoreBackend(fs); | |
832 | # ifdef HAVE_LIBXFS | |
833 | case XFS_SUPER_MAGIC: | |
834 | return new XfsFileStoreBackend(fs); | |
835 | # endif | |
836 | #endif | |
837 | #ifdef HAVE_LIBZFS | |
838 | case ZFS_SUPER_MAGIC: | |
839 | return new ZFSFileStoreBackend(fs); | |
840 | #endif | |
841 | default: | |
842 | return new GenericFileStoreBackend(fs); | |
843 | } | |
844 | } | |
845 | ||
11fdf7f2 | 846 | void FileStore::create_backend(unsigned long f_type) |
7c673cae FG |
847 | { |
848 | m_fs_type = f_type; | |
849 | ||
11fdf7f2 | 850 | ceph_assert(!backend); |
7c673cae FG |
851 | backend = FileStoreBackend::create(f_type, this); |
852 | ||
853 | dout(0) << "backend " << backend->get_name() | |
854 | << " (magic 0x" << std::hex << f_type << std::dec << ")" | |
855 | << dendl; | |
856 | ||
857 | switch (f_type) { | |
858 | #if defined(__linux__) | |
859 | case BTRFS_SUPER_MAGIC: | |
860 | if (!m_disable_wbthrottle){ | |
861 | wbthrottle.set_fs(WBThrottle::BTRFS); | |
862 | } | |
863 | break; | |
864 | ||
865 | case XFS_SUPER_MAGIC: | |
866 | // wbthrottle is constructed with fs(WBThrottle::XFS) | |
867 | break; | |
868 | #endif | |
869 | } | |
870 | ||
871 | set_xattr_limits_via_conf(); | |
872 | } | |
873 | ||
874 | int FileStore::mkfs() | |
875 | { | |
876 | int ret = 0; | |
877 | char fsid_fn[PATH_MAX]; | |
878 | char fsid_str[40]; | |
879 | uuid_d old_fsid; | |
880 | uuid_d old_omap_fsid; | |
881 | ||
882 | dout(1) << "mkfs in " << basedir << dendl; | |
91327a77 | 883 | basedir_fd = ::open(basedir.c_str(), O_RDONLY|O_CLOEXEC); |
7c673cae FG |
884 | if (basedir_fd < 0) { |
885 | ret = -errno; | |
224ce89b | 886 | derr << __FUNC__ << ": failed to open base dir " << basedir << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
887 | return ret; |
888 | } | |
889 | ||
890 | // open+lock fsid | |
891 | snprintf(fsid_fn, sizeof(fsid_fn), "%s/fsid", basedir.c_str()); | |
91327a77 | 892 | fsid_fd = ::open(fsid_fn, O_RDWR|O_CREAT|O_CLOEXEC, 0644); |
7c673cae FG |
893 | if (fsid_fd < 0) { |
894 | ret = -errno; | |
224ce89b | 895 | derr << __FUNC__ << ": failed to open " << fsid_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
896 | goto close_basedir_fd; |
897 | } | |
898 | ||
899 | if (lock_fsid() < 0) { | |
900 | ret = -EBUSY; | |
901 | goto close_fsid_fd; | |
902 | } | |
903 | ||
904 | if (read_fsid(fsid_fd, &old_fsid) < 0 || old_fsid.is_zero()) { | |
905 | if (fsid.is_zero()) { | |
906 | fsid.generate_random(); | |
224ce89b | 907 | dout(1) << __FUNC__ << ": generated fsid " << fsid << dendl; |
7c673cae | 908 | } else { |
224ce89b | 909 | dout(1) << __FUNC__ << ": using provided fsid " << fsid << dendl; |
7c673cae FG |
910 | } |
911 | ||
912 | fsid.print(fsid_str); | |
913 | strcat(fsid_str, "\n"); | |
914 | ret = ::ftruncate(fsid_fd, 0); | |
915 | if (ret < 0) { | |
916 | ret = -errno; | |
31f18b77 | 917 | derr << __FUNC__ << ": failed to truncate fsid: " |
7c673cae FG |
918 | << cpp_strerror(ret) << dendl; |
919 | goto close_fsid_fd; | |
920 | } | |
921 | ret = safe_write(fsid_fd, fsid_str, strlen(fsid_str)); | |
922 | if (ret < 0) { | |
31f18b77 | 923 | derr << __FUNC__ << ": failed to write fsid: " |
7c673cae FG |
924 | << cpp_strerror(ret) << dendl; |
925 | goto close_fsid_fd; | |
926 | } | |
927 | if (::fsync(fsid_fd) < 0) { | |
928 | ret = -errno; | |
31f18b77 | 929 | derr << __FUNC__ << ": close failed: can't write fsid: " |
7c673cae FG |
930 | << cpp_strerror(ret) << dendl; |
931 | goto close_fsid_fd; | |
932 | } | |
224ce89b | 933 | dout(10) << __FUNC__ << ": fsid is " << fsid << dendl; |
7c673cae FG |
934 | } else { |
935 | if (!fsid.is_zero() && fsid != old_fsid) { | |
31f18b77 | 936 | derr << __FUNC__ << ": on-disk fsid " << old_fsid << " != provided " << fsid << dendl; |
7c673cae FG |
937 | ret = -EINVAL; |
938 | goto close_fsid_fd; | |
939 | } | |
940 | fsid = old_fsid; | |
31f18b77 | 941 | dout(1) << __FUNC__ << ": fsid is already set to " << fsid << dendl; |
7c673cae FG |
942 | } |
943 | ||
944 | // version stamp | |
945 | ret = write_version_stamp(); | |
946 | if (ret < 0) { | |
31f18b77 | 947 | derr << __FUNC__ << ": write_version_stamp() failed: " |
7c673cae FG |
948 | << cpp_strerror(ret) << dendl; |
949 | goto close_fsid_fd; | |
950 | } | |
951 | ||
952 | // superblock | |
953 | superblock.omap_backend = cct->_conf->filestore_omap_backend; | |
954 | ret = write_superblock(); | |
955 | if (ret < 0) { | |
31f18b77 | 956 | derr << __FUNC__ << ": write_superblock() failed: " |
7c673cae FG |
957 | << cpp_strerror(ret) << dendl; |
958 | goto close_fsid_fd; | |
959 | } | |
960 | ||
961 | struct statfs basefs; | |
962 | ret = ::fstatfs(basedir_fd, &basefs); | |
963 | if (ret < 0) { | |
964 | ret = -errno; | |
31f18b77 | 965 | derr << __FUNC__ << ": cannot fstatfs basedir " |
7c673cae FG |
966 | << cpp_strerror(ret) << dendl; |
967 | goto close_fsid_fd; | |
968 | } | |
969 | ||
224ce89b WB |
970 | #if defined(__linux__) |
971 | if (basefs.f_type == BTRFS_SUPER_MAGIC && | |
972 | !g_ceph_context->check_experimental_feature_enabled("btrfs")) { | |
973 | derr << __FUNC__ << ": deprecated btrfs support is not enabled" << dendl; | |
974 | goto close_fsid_fd; | |
975 | } | |
976 | #endif | |
977 | ||
7c673cae FG |
978 | create_backend(basefs.f_type); |
979 | ||
980 | ret = backend->create_current(); | |
981 | if (ret < 0) { | |
31f18b77 | 982 | derr << __FUNC__ << ": failed to create current/ " << cpp_strerror(ret) << dendl; |
7c673cae FG |
983 | goto close_fsid_fd; |
984 | } | |
985 | ||
986 | // write initial op_seq | |
987 | { | |
988 | uint64_t initial_seq = 0; | |
989 | int fd = read_op_seq(&initial_seq); | |
990 | if (fd < 0) { | |
991 | ret = fd; | |
31f18b77 | 992 | derr << __FUNC__ << ": failed to create " << current_op_seq_fn << ": " |
7c673cae FG |
993 | << cpp_strerror(ret) << dendl; |
994 | goto close_fsid_fd; | |
995 | } | |
996 | if (initial_seq == 0) { | |
997 | ret = write_op_seq(fd, 1); | |
998 | if (ret < 0) { | |
999 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 1000 | derr << __FUNC__ << ": failed to write to " << current_op_seq_fn << ": " |
7c673cae FG |
1001 | << cpp_strerror(ret) << dendl; |
1002 | goto close_fsid_fd; | |
1003 | } | |
1004 | ||
1005 | if (backend->can_checkpoint()) { | |
1006 | // create snap_1 too | |
91327a77 | 1007 | current_fd = ::open(current_fn.c_str(), O_RDONLY|O_CLOEXEC); |
11fdf7f2 | 1008 | ceph_assert(current_fd >= 0); |
7c673cae FG |
1009 | char s[NAME_MAX]; |
1010 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, 1ull); | |
11fdf7f2 | 1011 | ret = backend->create_checkpoint(s, nullptr); |
7c673cae FG |
1012 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); |
1013 | if (ret < 0 && ret != -EEXIST) { | |
1014 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 1015 | derr << __FUNC__ << ": failed to create snap_1: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1016 | goto close_fsid_fd; |
1017 | } | |
1018 | } | |
1019 | } | |
1020 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1021 | } | |
1022 | ret = KeyValueDB::test_init(superblock.omap_backend, omap_dir); | |
1023 | if (ret < 0) { | |
31f18b77 | 1024 | derr << __FUNC__ << ": failed to create " << cct->_conf->filestore_omap_backend << dendl; |
7c673cae FG |
1025 | goto close_fsid_fd; |
1026 | } | |
1027 | // create fsid under omap | |
1028 | // open+lock fsid | |
1029 | int omap_fsid_fd; | |
1030 | char omap_fsid_fn[PATH_MAX]; | |
1031 | snprintf(omap_fsid_fn, sizeof(omap_fsid_fn), "%s/osd_uuid", omap_dir.c_str()); | |
91327a77 | 1032 | omap_fsid_fd = ::open(omap_fsid_fn, O_RDWR|O_CREAT|O_CLOEXEC, 0644); |
7c673cae FG |
1033 | if (omap_fsid_fd < 0) { |
1034 | ret = -errno; | |
31f18b77 | 1035 | derr << __FUNC__ << ": failed to open " << omap_fsid_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1036 | goto close_fsid_fd; |
1037 | } | |
1038 | ||
1039 | if (read_fsid(omap_fsid_fd, &old_omap_fsid) < 0 || old_omap_fsid.is_zero()) { | |
11fdf7f2 | 1040 | ceph_assert(!fsid.is_zero()); |
7c673cae FG |
1041 | fsid.print(fsid_str); |
1042 | strcat(fsid_str, "\n"); | |
1043 | ret = ::ftruncate(omap_fsid_fd, 0); | |
1044 | if (ret < 0) { | |
1045 | ret = -errno; | |
31f18b77 | 1046 | derr << __FUNC__ << ": failed to truncate fsid: " |
7c673cae FG |
1047 | << cpp_strerror(ret) << dendl; |
1048 | goto close_omap_fsid_fd; | |
1049 | } | |
1050 | ret = safe_write(omap_fsid_fd, fsid_str, strlen(fsid_str)); | |
1051 | if (ret < 0) { | |
31f18b77 | 1052 | derr << __FUNC__ << ": failed to write fsid: " |
7c673cae FG |
1053 | << cpp_strerror(ret) << dendl; |
1054 | goto close_omap_fsid_fd; | |
1055 | } | |
31f18b77 | 1056 | dout(10) << __FUNC__ << ": write success, fsid:" << fsid_str << ", ret:" << ret << dendl; |
7c673cae FG |
1057 | if (::fsync(omap_fsid_fd) < 0) { |
1058 | ret = -errno; | |
31f18b77 | 1059 | derr << __FUNC__ << ": close failed: can't write fsid: " |
7c673cae FG |
1060 | << cpp_strerror(ret) << dendl; |
1061 | goto close_omap_fsid_fd; | |
1062 | } | |
1063 | dout(10) << "mkfs omap fsid is " << fsid << dendl; | |
1064 | } else { | |
1065 | if (fsid != old_omap_fsid) { | |
31f18b77 | 1066 | derr << __FUNC__ << ": " << omap_fsid_fn |
7c673cae FG |
1067 | << " has existed omap fsid " << old_omap_fsid |
1068 | << " != expected osd fsid " << fsid | |
1069 | << dendl; | |
1070 | ret = -EINVAL; | |
1071 | goto close_omap_fsid_fd; | |
1072 | } | |
31f18b77 | 1073 | dout(1) << __FUNC__ << ": omap fsid is already set to " << fsid << dendl; |
7c673cae FG |
1074 | } |
1075 | ||
1076 | dout(1) << cct->_conf->filestore_omap_backend << " db exists/created" << dendl; | |
1077 | ||
1078 | // journal? | |
1079 | ret = mkjournal(); | |
1080 | if (ret) | |
1081 | goto close_omap_fsid_fd; | |
1082 | ||
1083 | ret = write_meta("type", "filestore"); | |
1084 | if (ret) | |
1085 | goto close_omap_fsid_fd; | |
1086 | ||
1087 | dout(1) << "mkfs done in " << basedir << dendl; | |
1088 | ret = 0; | |
1089 | ||
1090 | close_omap_fsid_fd: | |
1091 | VOID_TEMP_FAILURE_RETRY(::close(omap_fsid_fd)); | |
1092 | close_fsid_fd: | |
1093 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1094 | fsid_fd = -1; | |
1095 | close_basedir_fd: | |
1096 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
1097 | delete backend; | |
11fdf7f2 | 1098 | backend = nullptr; |
7c673cae FG |
1099 | return ret; |
1100 | } | |
1101 | ||
1102 | int FileStore::mkjournal() | |
1103 | { | |
1104 | // read fsid | |
1105 | int ret; | |
1106 | char fn[PATH_MAX]; | |
1107 | snprintf(fn, sizeof(fn), "%s/fsid", basedir.c_str()); | |
91327a77 | 1108 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC, 0644); |
7c673cae FG |
1109 | if (fd < 0) { |
1110 | int err = errno; | |
31f18b77 | 1111 | derr << __FUNC__ << ": open error: " << cpp_strerror(err) << dendl; |
7c673cae FG |
1112 | return -err; |
1113 | } | |
1114 | ret = read_fsid(fd, &fsid); | |
1115 | if (ret < 0) { | |
31f18b77 | 1116 | derr << __FUNC__ << ": read error: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1117 | VOID_TEMP_FAILURE_RETRY(::close(fd)); |
1118 | return ret; | |
1119 | } | |
1120 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1121 | ||
1122 | ret = 0; | |
1123 | ||
1124 | new_journal(); | |
1125 | if (journal) { | |
1126 | ret = journal->check(); | |
1127 | if (ret < 0) { | |
1128 | ret = journal->create(); | |
1129 | if (ret) | |
31f18b77 | 1130 | derr << __FUNC__ << ": error creating journal on " << journalpath |
7c673cae FG |
1131 | << ": " << cpp_strerror(ret) << dendl; |
1132 | else | |
31f18b77 | 1133 | dout(0) << __FUNC__ << ": created journal on " << journalpath << dendl; |
7c673cae FG |
1134 | } |
1135 | delete journal; | |
11fdf7f2 | 1136 | journal = nullptr; |
7c673cae FG |
1137 | } |
1138 | return ret; | |
1139 | } | |
1140 | ||
1141 | int FileStore::read_fsid(int fd, uuid_d *uuid) | |
1142 | { | |
1143 | char fsid_str[40]; | |
1144 | memset(fsid_str, 0, sizeof(fsid_str)); | |
1145 | int ret = safe_read(fd, fsid_str, sizeof(fsid_str)); | |
1146 | if (ret < 0) | |
1147 | return ret; | |
1148 | if (ret == 8) { | |
1149 | // old 64-bit fsid... mirror it. | |
1150 | *(uint64_t*)&uuid->bytes()[0] = *(uint64_t*)fsid_str; | |
1151 | *(uint64_t*)&uuid->bytes()[8] = *(uint64_t*)fsid_str; | |
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | if (ret > 36) | |
1156 | fsid_str[36] = 0; | |
1157 | else | |
1158 | fsid_str[ret] = 0; | |
1159 | if (!uuid->parse(fsid_str)) | |
1160 | return -EINVAL; | |
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | int FileStore::lock_fsid() | |
1165 | { | |
1166 | struct flock l; | |
1167 | memset(&l, 0, sizeof(l)); | |
1168 | l.l_type = F_WRLCK; | |
1169 | l.l_whence = SEEK_SET; | |
1170 | l.l_start = 0; | |
1171 | l.l_len = 0; | |
1172 | int r = ::fcntl(fsid_fd, F_SETLK, &l); | |
1173 | if (r < 0) { | |
1174 | int err = errno; | |
31f18b77 | 1175 | dout(0) << __FUNC__ << ": failed to lock " << basedir << "/fsid, is another ceph-osd still running? " |
7c673cae FG |
1176 | << cpp_strerror(err) << dendl; |
1177 | return -err; | |
1178 | } | |
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | bool FileStore::test_mount_in_use() | |
1183 | { | |
31f18b77 | 1184 | dout(5) << __FUNC__ << ": basedir " << basedir << " journal " << journalpath << dendl; |
7c673cae FG |
1185 | char fn[PATH_MAX]; |
1186 | snprintf(fn, sizeof(fn), "%s/fsid", basedir.c_str()); | |
1187 | ||
1188 | // verify fs isn't in use | |
1189 | ||
91327a77 | 1190 | fsid_fd = ::open(fn, O_RDWR|O_CLOEXEC, 0644); |
7c673cae FG |
1191 | if (fsid_fd < 0) |
1192 | return 0; // no fsid, ok. | |
1193 | bool inuse = lock_fsid() < 0; | |
1194 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1195 | fsid_fd = -1; | |
1196 | return inuse; | |
1197 | } | |
1198 | ||
31f18b77 FG |
1199 | bool FileStore::is_rotational() |
1200 | { | |
1201 | bool rotational; | |
1202 | if (backend) { | |
1203 | rotational = backend->is_rotational(); | |
1204 | } else { | |
91327a77 | 1205 | int fd = ::open(basedir.c_str(), O_RDONLY|O_CLOEXEC); |
31f18b77 FG |
1206 | if (fd < 0) |
1207 | return true; | |
1208 | struct statfs st; | |
1209 | int r = ::fstatfs(fd, &st); | |
1210 | ::close(fd); | |
1211 | if (r < 0) { | |
1212 | return true; | |
1213 | } | |
1214 | create_backend(st.f_type); | |
1215 | rotational = backend->is_rotational(); | |
1216 | delete backend; | |
11fdf7f2 | 1217 | backend = nullptr; |
31f18b77 FG |
1218 | } |
1219 | dout(10) << __func__ << " " << (int)rotational << dendl; | |
1220 | return rotational; | |
1221 | } | |
1222 | ||
d2e6a577 FG |
1223 | bool FileStore::is_journal_rotational() |
1224 | { | |
1225 | bool journal_rotational; | |
1226 | if (backend) { | |
1227 | journal_rotational = backend->is_journal_rotational(); | |
1228 | } else { | |
91327a77 | 1229 | int fd = ::open(journalpath.c_str(), O_RDONLY|O_CLOEXEC); |
d2e6a577 FG |
1230 | if (fd < 0) |
1231 | return true; | |
1232 | struct statfs st; | |
1233 | int r = ::fstatfs(fd, &st); | |
1234 | ::close(fd); | |
1235 | if (r < 0) { | |
1236 | return true; | |
1237 | } | |
1238 | create_backend(st.f_type); | |
1239 | journal_rotational = backend->is_journal_rotational(); | |
1240 | delete backend; | |
11fdf7f2 | 1241 | backend = nullptr; |
d2e6a577 FG |
1242 | } |
1243 | dout(10) << __func__ << " " << (int)journal_rotational << dendl; | |
1244 | return journal_rotational; | |
1245 | } | |
1246 | ||
7c673cae FG |
1247 | int FileStore::_detect_fs() |
1248 | { | |
1249 | struct statfs st; | |
1250 | int r = ::fstatfs(basedir_fd, &st); | |
1251 | if (r < 0) | |
1252 | return -errno; | |
1253 | ||
1254 | blk_size = st.f_bsize; | |
1255 | ||
224ce89b WB |
1256 | #if defined(__linux__) |
1257 | if (st.f_type == BTRFS_SUPER_MAGIC && | |
1258 | !g_ceph_context->check_experimental_feature_enabled("btrfs")) { | |
1259 | derr <<__FUNC__ << ": deprecated btrfs support is not enabled" << dendl; | |
1260 | return -EPERM; | |
1261 | } | |
1262 | #endif | |
1263 | ||
7c673cae FG |
1264 | create_backend(st.f_type); |
1265 | ||
1266 | r = backend->detect_features(); | |
1267 | if (r < 0) { | |
31f18b77 | 1268 | derr << __FUNC__ << ": detect_features error: " << cpp_strerror(r) << dendl; |
7c673cae FG |
1269 | return r; |
1270 | } | |
1271 | ||
11fdf7f2 TL |
1272 | // vdo |
1273 | { | |
1274 | char dev_node[PATH_MAX]; | |
1275 | if (int rc = BlkDev{fsid_fd}.wholedisk(dev_node, PATH_MAX); rc == 0) { | |
1276 | vdo_fd = get_vdo_stats_handle(dev_node, &vdo_name); | |
1277 | if (vdo_fd >= 0) { | |
1278 | dout(0) << __func__ << " VDO volume " << vdo_name << " for " << dev_node | |
1279 | << dendl; | |
1280 | } | |
1281 | } | |
1282 | } | |
1283 | ||
7c673cae FG |
1284 | // test xattrs |
1285 | char fn[PATH_MAX]; | |
1286 | int x = rand(); | |
1287 | int y = x+1; | |
1288 | snprintf(fn, sizeof(fn), "%s/xattr_test", basedir.c_str()); | |
91327a77 | 1289 | int tmpfd = ::open(fn, O_CREAT|O_WRONLY|O_TRUNC|O_CLOEXEC, 0700); |
7c673cae FG |
1290 | if (tmpfd < 0) { |
1291 | int ret = -errno; | |
31f18b77 | 1292 | derr << __FUNC__ << ": unable to create " << fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1293 | return ret; |
1294 | } | |
1295 | ||
1296 | int ret = chain_fsetxattr(tmpfd, "user.test", &x, sizeof(x)); | |
1297 | if (ret >= 0) | |
1298 | ret = chain_fgetxattr(tmpfd, "user.test", &y, sizeof(y)); | |
1299 | if ((ret < 0) || (x != y)) { | |
1300 | derr << "Extended attributes don't appear to work. "; | |
1301 | if (ret) | |
1302 | *_dout << "Got error " + cpp_strerror(ret) + ". "; | |
1303 | *_dout << "If you are using ext3 or ext4, be sure to mount the underlying " | |
1304 | << "file system with the 'user_xattr' option." << dendl; | |
1305 | ::unlink(fn); | |
1306 | VOID_TEMP_FAILURE_RETRY(::close(tmpfd)); | |
1307 | return -ENOTSUP; | |
1308 | } | |
1309 | ||
1310 | char buf[1000]; | |
1311 | memset(buf, 0, sizeof(buf)); // shut up valgrind | |
1312 | chain_fsetxattr(tmpfd, "user.test", &buf, sizeof(buf)); | |
1313 | chain_fsetxattr(tmpfd, "user.test2", &buf, sizeof(buf)); | |
1314 | chain_fsetxattr(tmpfd, "user.test3", &buf, sizeof(buf)); | |
1315 | chain_fsetxattr(tmpfd, "user.test4", &buf, sizeof(buf)); | |
1316 | ret = chain_fsetxattr(tmpfd, "user.test5", &buf, sizeof(buf)); | |
1317 | if (ret == -ENOSPC) { | |
1318 | dout(0) << "limited size xattrs" << dendl; | |
1319 | } | |
1320 | chain_fremovexattr(tmpfd, "user.test"); | |
1321 | chain_fremovexattr(tmpfd, "user.test2"); | |
1322 | chain_fremovexattr(tmpfd, "user.test3"); | |
1323 | chain_fremovexattr(tmpfd, "user.test4"); | |
1324 | chain_fremovexattr(tmpfd, "user.test5"); | |
1325 | ||
1326 | ::unlink(fn); | |
1327 | VOID_TEMP_FAILURE_RETRY(::close(tmpfd)); | |
1328 | ||
1329 | return 0; | |
1330 | } | |
1331 | ||
1332 | int FileStore::_sanity_check_fs() | |
1333 | { | |
1334 | // sanity check(s) | |
1335 | ||
1336 | if (((int)m_filestore_journal_writeahead + | |
1337 | (int)m_filestore_journal_parallel + | |
1338 | (int)m_filestore_journal_trailing) > 1) { | |
1339 | dout(0) << "mount ERROR: more than one of filestore journal {writeahead,parallel,trailing} enabled" << dendl; | |
1340 | cerr << TEXT_RED | |
1341 | << " ** WARNING: more than one of 'filestore journal {writeahead,parallel,trailing}'\n" | |
1342 | << " is enabled in ceph.conf. You must choose a single journal mode." | |
1343 | << TEXT_NORMAL << std::endl; | |
1344 | return -EINVAL; | |
1345 | } | |
1346 | ||
1347 | if (!backend->can_checkpoint()) { | |
1348 | if (!journal || !m_filestore_journal_writeahead) { | |
1349 | dout(0) << "mount WARNING: no btrfs, and no journal in writeahead mode; data may be lost" << dendl; | |
1350 | cerr << TEXT_RED | |
1351 | << " ** WARNING: no btrfs AND (no journal OR journal not in writeahead mode)\n" | |
1352 | << " For non-btrfs volumes, a writeahead journal is required to\n" | |
1353 | << " maintain on-disk consistency in the event of a crash. Your conf\n" | |
1354 | << " should include something like:\n" | |
1355 | << " osd journal = /path/to/journal_device_or_file\n" | |
1356 | << " filestore journal writeahead = true\n" | |
1357 | << TEXT_NORMAL; | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | if (!journal) { | |
1362 | dout(0) << "mount WARNING: no journal" << dendl; | |
1363 | cerr << TEXT_YELLOW | |
1364 | << " ** WARNING: No osd journal is configured: write latency may be high.\n" | |
1365 | << " If you will not be using an osd journal, write latency may be\n" | |
1366 | << " relatively high. It can be reduced somewhat by lowering\n" | |
1367 | << " filestore_max_sync_interval, but lower values mean lower write\n" | |
1368 | << " throughput, especially with spinning disks.\n" | |
1369 | << TEXT_NORMAL; | |
1370 | } | |
1371 | ||
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | int FileStore::write_superblock() | |
1376 | { | |
1377 | bufferlist bl; | |
11fdf7f2 | 1378 | encode(superblock, bl); |
7c673cae | 1379 | return safe_write_file(basedir.c_str(), "superblock", |
eafe8130 | 1380 | bl.c_str(), bl.length(), 0600); |
7c673cae FG |
1381 | } |
1382 | ||
1383 | int FileStore::read_superblock() | |
1384 | { | |
1385 | bufferptr bp(PATH_MAX); | |
1386 | int ret = safe_read_file(basedir.c_str(), "superblock", | |
1387 | bp.c_str(), bp.length()); | |
1388 | if (ret < 0) { | |
1389 | if (ret == -ENOENT) { | |
1390 | // If the file doesn't exist write initial CompatSet | |
1391 | return write_superblock(); | |
1392 | } | |
1393 | return ret; | |
1394 | } | |
1395 | ||
1396 | bufferlist bl; | |
1397 | bl.push_back(std::move(bp)); | |
11fdf7f2 TL |
1398 | auto i = bl.cbegin(); |
1399 | decode(superblock, i); | |
7c673cae FG |
1400 | return 0; |
1401 | } | |
1402 | ||
1403 | int FileStore::update_version_stamp() | |
1404 | { | |
1405 | return write_version_stamp(); | |
1406 | } | |
1407 | ||
1408 | int FileStore::version_stamp_is_valid(uint32_t *version) | |
1409 | { | |
1410 | bufferptr bp(PATH_MAX); | |
1411 | int ret = safe_read_file(basedir.c_str(), "store_version", | |
1412 | bp.c_str(), bp.length()); | |
1413 | if (ret < 0) { | |
1414 | return ret; | |
1415 | } | |
1416 | bufferlist bl; | |
1417 | bl.push_back(std::move(bp)); | |
11fdf7f2 TL |
1418 | auto i = bl.cbegin(); |
1419 | decode(*version, i); | |
31f18b77 | 1420 | dout(10) << __FUNC__ << ": was " << *version << " vs target " |
7c673cae FG |
1421 | << target_version << dendl; |
1422 | if (*version == target_version) | |
1423 | return 1; | |
1424 | else | |
1425 | return 0; | |
1426 | } | |
1427 | ||
11fdf7f2 TL |
1428 | int FileStore::flush_cache(ostream *os) |
1429 | { | |
1430 | string drop_caches_file = "/proc/sys/vm/drop_caches"; | |
1431 | int drop_caches_fd = ::open(drop_caches_file.c_str(), O_WRONLY|O_CLOEXEC), ret = 0; | |
1432 | char buf[2] = "3"; | |
1433 | size_t len = strlen(buf); | |
1434 | ||
1435 | if (drop_caches_fd < 0) { | |
1436 | ret = -errno; | |
1437 | derr << __FUNC__ << ": failed to open " << drop_caches_file << ": " << cpp_strerror(ret) << dendl; | |
1438 | if (os) { | |
1439 | *os << "FileStore flush_cache: failed to open " << drop_caches_file << ": " << cpp_strerror(ret); | |
1440 | } | |
1441 | return ret; | |
1442 | } | |
1443 | ||
1444 | if (::write(drop_caches_fd, buf, len) < 0) { | |
1445 | ret = -errno; | |
1446 | derr << __FUNC__ << ": failed to write to " << drop_caches_file << ": " << cpp_strerror(ret) << dendl; | |
1447 | if (os) { | |
1448 | *os << "FileStore flush_cache: failed to write to " << drop_caches_file << ": " << cpp_strerror(ret); | |
1449 | } | |
1450 | goto out; | |
1451 | } | |
1452 | ||
1453 | out: | |
1454 | ::close(drop_caches_fd); | |
1455 | return ret; | |
1456 | } | |
1457 | ||
7c673cae FG |
1458 | int FileStore::write_version_stamp() |
1459 | { | |
31f18b77 | 1460 | dout(1) << __FUNC__ << ": " << target_version << dendl; |
7c673cae | 1461 | bufferlist bl; |
11fdf7f2 | 1462 | encode(target_version, bl); |
7c673cae FG |
1463 | |
1464 | return safe_write_file(basedir.c_str(), "store_version", | |
eafe8130 | 1465 | bl.c_str(), bl.length(), 0600); |
7c673cae FG |
1466 | } |
1467 | ||
1468 | int FileStore::upgrade() | |
1469 | { | |
31f18b77 | 1470 | dout(1) << __FUNC__ << dendl; |
7c673cae FG |
1471 | uint32_t version; |
1472 | int r = version_stamp_is_valid(&version); | |
1473 | ||
1474 | if (r == -ENOENT) { | |
1475 | derr << "The store_version file doesn't exist." << dendl; | |
1476 | return -EINVAL; | |
1477 | } | |
1478 | if (r < 0) | |
1479 | return r; | |
1480 | if (r == 1) | |
1481 | return 0; | |
1482 | ||
1483 | if (version < 3) { | |
1484 | derr << "ObjectStore is old at version " << version << ". Please upgrade to firefly v0.80.x, convert your store, and then upgrade." << dendl; | |
1485 | return -EINVAL; | |
1486 | } | |
1487 | ||
1488 | // nothing necessary in FileStore for v3 -> v4 upgrade; we just need to | |
1489 | // open up DBObjectMap with the do_upgrade flag, which we already did. | |
1490 | update_version_stamp(); | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | int FileStore::read_op_seq(uint64_t *seq) | |
1495 | { | |
91327a77 | 1496 | int op_fd = ::open(current_op_seq_fn.c_str(), O_CREAT|O_RDWR|O_CLOEXEC, 0644); |
7c673cae FG |
1497 | if (op_fd < 0) { |
1498 | int r = -errno; | |
11fdf7f2 | 1499 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
1500 | return r; |
1501 | } | |
1502 | char s[40]; | |
1503 | memset(s, 0, sizeof(s)); | |
1504 | int ret = safe_read(op_fd, s, sizeof(s) - 1); | |
1505 | if (ret < 0) { | |
31f18b77 | 1506 | derr << __FUNC__ << ": error reading " << current_op_seq_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae | 1507 | VOID_TEMP_FAILURE_RETRY(::close(op_fd)); |
11fdf7f2 | 1508 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae FG |
1509 | return ret; |
1510 | } | |
1511 | *seq = atoll(s); | |
1512 | return op_fd; | |
1513 | } | |
1514 | ||
1515 | int FileStore::write_op_seq(int fd, uint64_t seq) | |
1516 | { | |
1517 | char s[30]; | |
1518 | snprintf(s, sizeof(s), "%" PRId64 "\n", seq); | |
1519 | int ret = TEMP_FAILURE_RETRY(::pwrite(fd, s, strlen(s), 0)); | |
1520 | if (ret < 0) { | |
1521 | ret = -errno; | |
11fdf7f2 | 1522 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae FG |
1523 | } |
1524 | return ret; | |
1525 | } | |
1526 | ||
1527 | int FileStore::mount() | |
1528 | { | |
1529 | int ret; | |
1530 | char buf[PATH_MAX]; | |
1531 | uint64_t initial_op_seq; | |
1532 | uuid_d omap_fsid; | |
1533 | set<string> cluster_snaps; | |
1534 | CompatSet supported_compat_set = get_fs_supported_compat_set(); | |
1535 | ||
1536 | dout(5) << "basedir " << basedir << " journal " << journalpath << dendl; | |
1537 | ||
1538 | ret = set_throttle_params(); | |
1539 | if (ret != 0) | |
1540 | goto done; | |
1541 | ||
1542 | // make sure global base dir exists | |
1543 | if (::access(basedir.c_str(), R_OK | W_OK)) { | |
1544 | ret = -errno; | |
31f18b77 | 1545 | derr << __FUNC__ << ": unable to access basedir '" << basedir << "': " |
7c673cae FG |
1546 | << cpp_strerror(ret) << dendl; |
1547 | goto done; | |
1548 | } | |
1549 | ||
1550 | // get fsid | |
1551 | snprintf(buf, sizeof(buf), "%s/fsid", basedir.c_str()); | |
91327a77 | 1552 | fsid_fd = ::open(buf, O_RDWR|O_CLOEXEC, 0644); |
7c673cae FG |
1553 | if (fsid_fd < 0) { |
1554 | ret = -errno; | |
31f18b77 | 1555 | derr << __FUNC__ << ": error opening '" << buf << "': " |
7c673cae FG |
1556 | << cpp_strerror(ret) << dendl; |
1557 | goto done; | |
1558 | } | |
1559 | ||
1560 | ret = read_fsid(fsid_fd, &fsid); | |
1561 | if (ret < 0) { | |
31f18b77 | 1562 | derr << __FUNC__ << ": error reading fsid_fd: " << cpp_strerror(ret) |
7c673cae FG |
1563 | << dendl; |
1564 | goto close_fsid_fd; | |
1565 | } | |
1566 | ||
1567 | if (lock_fsid() < 0) { | |
31f18b77 | 1568 | derr << __FUNC__ << ": lock_fsid failed" << dendl; |
7c673cae FG |
1569 | ret = -EBUSY; |
1570 | goto close_fsid_fd; | |
1571 | } | |
1572 | ||
1573 | dout(10) << "mount fsid is " << fsid << dendl; | |
1574 | ||
1575 | ||
1576 | uint32_t version_stamp; | |
1577 | ret = version_stamp_is_valid(&version_stamp); | |
1578 | if (ret < 0) { | |
31f18b77 | 1579 | derr << __FUNC__ << ": error in version_stamp_is_valid: " |
7c673cae FG |
1580 | << cpp_strerror(ret) << dendl; |
1581 | goto close_fsid_fd; | |
1582 | } else if (ret == 0) { | |
1583 | if (do_update || (int)version_stamp < cct->_conf->filestore_update_to) { | |
31f18b77 | 1584 | derr << __FUNC__ << ": stale version stamp detected: " |
7c673cae FG |
1585 | << version_stamp |
1586 | << ". Proceeding, do_update " | |
1587 | << "is set, performing disk format upgrade." | |
1588 | << dendl; | |
1589 | do_update = true; | |
1590 | } else { | |
1591 | ret = -EINVAL; | |
31f18b77 | 1592 | derr << __FUNC__ << ": stale version stamp " << version_stamp |
7c673cae FG |
1593 | << ". Please run the FileStore update script before starting the " |
1594 | << "OSD, or set filestore_update_to to " << target_version | |
1595 | << " (currently " << cct->_conf->filestore_update_to << ")" | |
1596 | << dendl; | |
1597 | goto close_fsid_fd; | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | ret = read_superblock(); | |
1602 | if (ret < 0) { | |
1603 | goto close_fsid_fd; | |
1604 | } | |
1605 | ||
1606 | // Check if this FileStore supports all the necessary features to mount | |
1607 | if (supported_compat_set.compare(superblock.compat_features) == -1) { | |
31f18b77 | 1608 | derr << __FUNC__ << ": Incompatible features set " |
7c673cae FG |
1609 | << superblock.compat_features << dendl; |
1610 | ret = -EINVAL; | |
1611 | goto close_fsid_fd; | |
1612 | } | |
1613 | ||
1614 | // open some dir handles | |
91327a77 | 1615 | basedir_fd = ::open(basedir.c_str(), O_RDONLY|O_CLOEXEC); |
7c673cae FG |
1616 | if (basedir_fd < 0) { |
1617 | ret = -errno; | |
31f18b77 | 1618 | derr << __FUNC__ << ": failed to open " << basedir << ": " |
7c673cae FG |
1619 | << cpp_strerror(ret) << dendl; |
1620 | basedir_fd = -1; | |
1621 | goto close_fsid_fd; | |
1622 | } | |
1623 | ||
1624 | // test for btrfs, xattrs, etc. | |
1625 | ret = _detect_fs(); | |
1626 | if (ret < 0) { | |
31f18b77 | 1627 | derr << __FUNC__ << ": error in _detect_fs: " |
7c673cae FG |
1628 | << cpp_strerror(ret) << dendl; |
1629 | goto close_basedir_fd; | |
1630 | } | |
1631 | ||
1632 | { | |
1633 | list<string> ls; | |
1634 | ret = backend->list_checkpoints(ls); | |
1635 | if (ret < 0) { | |
31f18b77 | 1636 | derr << __FUNC__ << ": error in _list_snaps: "<< cpp_strerror(ret) << dendl; |
7c673cae FG |
1637 | goto close_basedir_fd; |
1638 | } | |
1639 | ||
1640 | long long unsigned c, prev = 0; | |
1641 | char clustersnap[NAME_MAX]; | |
1642 | for (list<string>::iterator it = ls.begin(); it != ls.end(); ++it) { | |
1643 | if (sscanf(it->c_str(), COMMIT_SNAP_ITEM, &c) == 1) { | |
11fdf7f2 | 1644 | ceph_assert(c > prev); |
7c673cae FG |
1645 | prev = c; |
1646 | snaps.push_back(c); | |
1647 | } else if (sscanf(it->c_str(), CLUSTER_SNAP_ITEM, clustersnap) == 1) | |
1648 | cluster_snaps.insert(*it); | |
1649 | } | |
1650 | } | |
1651 | ||
1652 | if (m_osd_rollback_to_cluster_snap.length() && | |
1653 | cluster_snaps.count(m_osd_rollback_to_cluster_snap) == 0) { | |
1654 | derr << "rollback to cluster snapshot '" << m_osd_rollback_to_cluster_snap << "': not found" << dendl; | |
1655 | ret = -ENOENT; | |
1656 | goto close_basedir_fd; | |
1657 | } | |
1658 | ||
1659 | char nosnapfn[200]; | |
1660 | snprintf(nosnapfn, sizeof(nosnapfn), "%s/nosnap", current_fn.c_str()); | |
1661 | ||
1662 | if (backend->can_checkpoint()) { | |
1663 | if (snaps.empty()) { | |
31f18b77 | 1664 | dout(0) << __FUNC__ << ": WARNING: no consistent snaps found, store may be in inconsistent state" << dendl; |
7c673cae FG |
1665 | } else { |
1666 | char s[NAME_MAX]; | |
1667 | uint64_t curr_seq = 0; | |
1668 | ||
1669 | if (m_osd_rollback_to_cluster_snap.length()) { | |
1670 | derr << TEXT_RED | |
1671 | << " ** NOTE: rolling back to cluster snapshot " << m_osd_rollback_to_cluster_snap << " **" | |
1672 | << TEXT_NORMAL | |
1673 | << dendl; | |
11fdf7f2 | 1674 | ceph_assert(cluster_snaps.count(m_osd_rollback_to_cluster_snap)); |
7c673cae FG |
1675 | snprintf(s, sizeof(s), CLUSTER_SNAP_ITEM, m_osd_rollback_to_cluster_snap.c_str()); |
1676 | } else { | |
1677 | { | |
1678 | int fd = read_op_seq(&curr_seq); | |
1679 | if (fd >= 0) { | |
1680 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1681 | } | |
1682 | } | |
1683 | if (curr_seq) | |
1684 | dout(10) << " current/ seq was " << curr_seq << dendl; | |
1685 | else | |
1686 | dout(10) << " current/ missing entirely (unusual, but okay)" << dendl; | |
1687 | ||
1688 | uint64_t cp = snaps.back(); | |
1689 | dout(10) << " most recent snap from " << snaps << " is " << cp << dendl; | |
1690 | ||
1691 | // if current/ is marked as non-snapshotted, refuse to roll | |
1692 | // back (without clear direction) to avoid throwing out new | |
1693 | // data. | |
1694 | struct stat st; | |
1695 | if (::stat(nosnapfn, &st) == 0) { | |
1696 | if (!m_osd_use_stale_snap) { | |
1697 | derr << "ERROR: " << nosnapfn << " exists, not rolling back to avoid losing new data" << dendl; | |
1698 | derr << "Force rollback to old snapshotted version with 'osd use stale snap = true'" << dendl; | |
1699 | derr << "config option for --osd-use-stale-snap startup argument." << dendl; | |
1700 | ret = -ENOTSUP; | |
1701 | goto close_basedir_fd; | |
1702 | } | |
1703 | derr << "WARNING: user forced start with data sequence mismatch: current was " << curr_seq | |
1704 | << ", newest snap is " << cp << dendl; | |
1705 | cerr << TEXT_YELLOW | |
1706 | << " ** WARNING: forcing the use of stale snapshot data **" | |
1707 | << TEXT_NORMAL << std::endl; | |
1708 | } | |
1709 | ||
31f18b77 | 1710 | dout(10) << __FUNC__ << ": rolling back to consistent snap " << cp << dendl; |
7c673cae FG |
1711 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)cp); |
1712 | } | |
1713 | ||
1714 | // drop current? | |
1715 | ret = backend->rollback_to(s); | |
1716 | if (ret) { | |
31f18b77 | 1717 | derr << __FUNC__ << ": error rolling back to " << s << ": " |
7c673cae FG |
1718 | << cpp_strerror(ret) << dendl; |
1719 | goto close_basedir_fd; | |
1720 | } | |
1721 | } | |
1722 | } | |
1723 | initial_op_seq = 0; | |
1724 | ||
91327a77 | 1725 | current_fd = ::open(current_fn.c_str(), O_RDONLY|O_CLOEXEC); |
7c673cae FG |
1726 | if (current_fd < 0) { |
1727 | ret = -errno; | |
31f18b77 | 1728 | derr << __FUNC__ << ": error opening: " << current_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1729 | goto close_basedir_fd; |
1730 | } | |
1731 | ||
11fdf7f2 | 1732 | ceph_assert(current_fd >= 0); |
7c673cae FG |
1733 | |
1734 | op_fd = read_op_seq(&initial_op_seq); | |
1735 | if (op_fd < 0) { | |
1736 | ret = op_fd; | |
31f18b77 | 1737 | derr << __FUNC__ << ": read_op_seq failed" << dendl; |
7c673cae FG |
1738 | goto close_current_fd; |
1739 | } | |
1740 | ||
1741 | dout(5) << "mount op_seq is " << initial_op_seq << dendl; | |
1742 | if (initial_op_seq == 0) { | |
1743 | derr << "mount initial op seq is 0; something is wrong" << dendl; | |
1744 | ret = -EINVAL; | |
1745 | goto close_current_fd; | |
1746 | } | |
1747 | ||
1748 | if (!backend->can_checkpoint()) { | |
1749 | // mark current/ as non-snapshotted so that we don't rollback away | |
1750 | // from it. | |
1751 | int r = ::creat(nosnapfn, 0644); | |
1752 | if (r < 0) { | |
1753 | ret = -errno; | |
31f18b77 | 1754 | derr << __FUNC__ << ": failed to create current/nosnap" << dendl; |
7c673cae FG |
1755 | goto close_current_fd; |
1756 | } | |
1757 | VOID_TEMP_FAILURE_RETRY(::close(r)); | |
1758 | } else { | |
1759 | // clear nosnap marker, if present. | |
1760 | ::unlink(nosnapfn); | |
1761 | } | |
1762 | ||
1763 | // check fsid with omap | |
1764 | // get omap fsid | |
7c673cae FG |
1765 | char omap_fsid_buf[PATH_MAX]; |
1766 | struct ::stat omap_fsid_stat; | |
1767 | snprintf(omap_fsid_buf, sizeof(omap_fsid_buf), "%s/osd_uuid", omap_dir.c_str()); | |
1768 | // if osd_uuid not exists, assume as this omap matchs corresponding osd | |
1769 | if (::stat(omap_fsid_buf, &omap_fsid_stat) != 0){ | |
31f18b77 | 1770 | dout(10) << __FUNC__ << ": osd_uuid not found under omap, " |
7c673cae FG |
1771 | << "assume as matched." |
1772 | << dendl; | |
11fdf7f2 TL |
1773 | } else { |
1774 | int omap_fsid_fd; | |
7c673cae | 1775 | // if osd_uuid exists, compares osd_uuid with fsid |
91327a77 | 1776 | omap_fsid_fd = ::open(omap_fsid_buf, O_RDONLY|O_CLOEXEC, 0644); |
7c673cae FG |
1777 | if (omap_fsid_fd < 0) { |
1778 | ret = -errno; | |
31f18b77 | 1779 | derr << __FUNC__ << ": error opening '" << omap_fsid_buf << "': " |
7c673cae FG |
1780 | << cpp_strerror(ret) |
1781 | << dendl; | |
1782 | goto close_current_fd; | |
1783 | } | |
1784 | ret = read_fsid(omap_fsid_fd, &omap_fsid); | |
1785 | VOID_TEMP_FAILURE_RETRY(::close(omap_fsid_fd)); | |
7c673cae | 1786 | if (ret < 0) { |
31f18b77 | 1787 | derr << __FUNC__ << ": error reading omap_fsid_fd" |
7c673cae FG |
1788 | << ", omap_fsid = " << omap_fsid |
1789 | << cpp_strerror(ret) | |
1790 | << dendl; | |
1791 | goto close_current_fd; | |
1792 | } | |
1793 | if (fsid != omap_fsid) { | |
31f18b77 | 1794 | derr << __FUNC__ << ": " << omap_fsid_buf |
7c673cae FG |
1795 | << " has existed omap fsid " << omap_fsid |
1796 | << " != expected osd fsid " << fsid | |
1797 | << dendl; | |
1798 | ret = -EINVAL; | |
1799 | goto close_current_fd; | |
1800 | } | |
1801 | } | |
1802 | ||
1803 | dout(0) << "start omap initiation" << dendl; | |
1804 | if (!(generic_flags & SKIP_MOUNT_OMAP)) { | |
1805 | KeyValueDB * omap_store = KeyValueDB::create(cct, | |
1806 | superblock.omap_backend, | |
1807 | omap_dir); | |
11fdf7f2 | 1808 | if (!omap_store) |
7c673cae | 1809 | { |
31f18b77 | 1810 | derr << __FUNC__ << ": Error creating " << superblock.omap_backend << dendl; |
7c673cae FG |
1811 | ret = -1; |
1812 | goto close_current_fd; | |
1813 | } | |
1814 | ||
1815 | if (superblock.omap_backend == "rocksdb") | |
1816 | ret = omap_store->init(cct->_conf->filestore_rocksdb_options); | |
1817 | else | |
1818 | ret = omap_store->init(); | |
1819 | ||
1820 | if (ret < 0) { | |
31f18b77 | 1821 | derr << __FUNC__ << ": Error initializing omap_store: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1822 | goto close_current_fd; |
1823 | } | |
1824 | ||
1825 | stringstream err; | |
1826 | if (omap_store->create_and_open(err)) { | |
1827 | delete omap_store; | |
11fdf7f2 | 1828 | omap_store = nullptr; |
31f18b77 | 1829 | derr << __FUNC__ << ": Error initializing " << superblock.omap_backend |
7c673cae FG |
1830 | << " : " << err.str() << dendl; |
1831 | ret = -1; | |
1832 | goto close_current_fd; | |
1833 | } | |
1834 | ||
1835 | DBObjectMap *dbomap = new DBObjectMap(cct, omap_store); | |
1836 | ret = dbomap->init(do_update); | |
1837 | if (ret < 0) { | |
1838 | delete dbomap; | |
11fdf7f2 | 1839 | dbomap = nullptr; |
31f18b77 | 1840 | derr << __FUNC__ << ": Error initializing DBObjectMap: " << ret << dendl; |
7c673cae FG |
1841 | goto close_current_fd; |
1842 | } | |
1843 | stringstream err2; | |
1844 | ||
1845 | if (cct->_conf->filestore_debug_omap_check && !dbomap->check(err2)) { | |
1846 | derr << err2.str() << dendl; | |
1847 | delete dbomap; | |
11fdf7f2 | 1848 | dbomap = nullptr; |
7c673cae FG |
1849 | ret = -EINVAL; |
1850 | goto close_current_fd; | |
1851 | } | |
1852 | object_map.reset(dbomap); | |
1853 | } | |
1854 | ||
1855 | // journal | |
1856 | new_journal(); | |
1857 | ||
1858 | // select journal mode? | |
1859 | if (journal) { | |
1860 | if (!m_filestore_journal_writeahead && | |
1861 | !m_filestore_journal_parallel && | |
1862 | !m_filestore_journal_trailing) { | |
1863 | if (!backend->can_checkpoint()) { | |
1864 | m_filestore_journal_writeahead = true; | |
31f18b77 | 1865 | dout(0) << __FUNC__ << ": enabling WRITEAHEAD journal mode: checkpoint is not enabled" << dendl; |
7c673cae FG |
1866 | } else { |
1867 | m_filestore_journal_parallel = true; | |
31f18b77 | 1868 | dout(0) << __FUNC__ << ": enabling PARALLEL journal mode: fs, checkpoint is enabled" << dendl; |
7c673cae FG |
1869 | } |
1870 | } else { | |
1871 | if (m_filestore_journal_writeahead) | |
31f18b77 | 1872 | dout(0) << __FUNC__ << ": WRITEAHEAD journal mode explicitly enabled in conf" << dendl; |
7c673cae | 1873 | if (m_filestore_journal_parallel) |
31f18b77 | 1874 | dout(0) << __FUNC__ << ": PARALLEL journal mode explicitly enabled in conf" << dendl; |
7c673cae | 1875 | if (m_filestore_journal_trailing) |
31f18b77 | 1876 | dout(0) << __FUNC__ << ": TRAILING journal mode explicitly enabled in conf" << dendl; |
7c673cae FG |
1877 | } |
1878 | if (m_filestore_journal_writeahead) | |
1879 | journal->set_wait_on_full(true); | |
1880 | } else { | |
31f18b77 | 1881 | dout(0) << __FUNC__ << ": no journal" << dendl; |
7c673cae FG |
1882 | } |
1883 | ||
1884 | ret = _sanity_check_fs(); | |
1885 | if (ret) { | |
31f18b77 | 1886 | derr << __FUNC__ << ": _sanity_check_fs failed with error " |
7c673cae FG |
1887 | << ret << dendl; |
1888 | goto close_current_fd; | |
1889 | } | |
1890 | ||
1891 | // Cleanup possibly invalid collections | |
1892 | { | |
1893 | vector<coll_t> collections; | |
1894 | ret = list_collections(collections, true); | |
1895 | if (ret < 0) { | |
1896 | derr << "Error " << ret << " while listing collections" << dendl; | |
1897 | goto close_current_fd; | |
1898 | } | |
1899 | for (vector<coll_t>::iterator i = collections.begin(); | |
1900 | i != collections.end(); | |
1901 | ++i) { | |
1902 | Index index; | |
1903 | ret = get_index(*i, &index); | |
1904 | if (ret < 0) { | |
1905 | derr << "Unable to mount index " << *i | |
1906 | << " with error: " << ret << dendl; | |
1907 | goto close_current_fd; | |
1908 | } | |
11fdf7f2 | 1909 | ceph_assert(index.index); |
7c673cae FG |
1910 | RWLock::WLocker l((index.index)->access_lock); |
1911 | ||
1912 | index->cleanup(); | |
1913 | } | |
1914 | } | |
1915 | if (!m_disable_wbthrottle) { | |
1916 | wbthrottle.start(); | |
1917 | } else { | |
31f18b77 | 1918 | dout(0) << __FUNC__ << ": INFO: WbThrottle is disabled" << dendl; |
7c673cae | 1919 | if (cct->_conf->filestore_odsync_write) { |
31f18b77 | 1920 | dout(0) << __FUNC__ << ": INFO: O_DSYNC write is enabled" << dendl; |
7c673cae FG |
1921 | } |
1922 | } | |
1923 | sync_thread.create("filestore_sync"); | |
1924 | ||
1925 | if (!(generic_flags & SKIP_JOURNAL_REPLAY)) { | |
1926 | ret = journal_replay(initial_op_seq); | |
1927 | if (ret < 0) { | |
31f18b77 | 1928 | derr << __FUNC__ << ": failed to open journal " << journalpath << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1929 | if (ret == -ENOTTY) { |
1930 | derr << "maybe journal is not pointing to a block device and its size " | |
1931 | << "wasn't configured?" << dendl; | |
1932 | } | |
1933 | ||
1934 | goto stop_sync; | |
1935 | } | |
1936 | } | |
1937 | ||
1938 | { | |
1939 | stringstream err2; | |
1940 | if (cct->_conf->filestore_debug_omap_check && !object_map->check(err2)) { | |
1941 | derr << err2.str() << dendl; | |
1942 | ret = -EINVAL; | |
1943 | goto stop_sync; | |
1944 | } | |
1945 | } | |
1946 | ||
1947 | init_temp_collections(); | |
1948 | ||
1949 | journal_start(); | |
1950 | ||
1951 | op_tp.start(); | |
1952 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
1953 | (*it)->start(); | |
1954 | } | |
1955 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
1956 | (*it)->start(); | |
1957 | } | |
1958 | ||
1959 | timer.init(); | |
1960 | ||
1961 | // upgrade? | |
1962 | if (cct->_conf->filestore_update_to >= (int)get_target_version()) { | |
1963 | int err = upgrade(); | |
1964 | if (err < 0) { | |
1965 | derr << "error converting store" << dendl; | |
1966 | umount(); | |
1967 | return err; | |
1968 | } | |
1969 | } | |
1970 | ||
1971 | // all okay. | |
1972 | return 0; | |
1973 | ||
1974 | stop_sync: | |
1975 | // stop sync thread | |
1976 | lock.Lock(); | |
1977 | stop = true; | |
1978 | sync_cond.Signal(); | |
1979 | lock.Unlock(); | |
1980 | sync_thread.join(); | |
1981 | if (!m_disable_wbthrottle) { | |
1982 | wbthrottle.stop(); | |
1983 | } | |
1984 | close_current_fd: | |
1985 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
1986 | current_fd = -1; | |
1987 | close_basedir_fd: | |
1988 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
1989 | basedir_fd = -1; | |
1990 | close_fsid_fd: | |
1991 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1992 | fsid_fd = -1; | |
1993 | done: | |
11fdf7f2 | 1994 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae | 1995 | delete backend; |
11fdf7f2 | 1996 | backend = nullptr; |
7c673cae FG |
1997 | object_map.reset(); |
1998 | return ret; | |
1999 | } | |
2000 | ||
2001 | void FileStore::init_temp_collections() | |
2002 | { | |
31f18b77 | 2003 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
2004 | vector<coll_t> ls; |
2005 | int r = list_collections(ls, true); | |
11fdf7f2 | 2006 | ceph_assert(r >= 0); |
7c673cae FG |
2007 | |
2008 | dout(20) << " ls " << ls << dendl; | |
2009 | ||
2010 | SequencerPosition spos; | |
2011 | ||
2012 | set<coll_t> temps; | |
2013 | for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) | |
2014 | if (p->is_temp()) | |
2015 | temps.insert(*p); | |
2016 | dout(20) << " temps " << temps << dendl; | |
2017 | ||
2018 | for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) { | |
2019 | if (p->is_temp()) | |
2020 | continue; | |
11fdf7f2 | 2021 | coll_map[*p] = new OpSequencer(cct, ++next_osr_id, *p); |
7c673cae FG |
2022 | if (p->is_meta()) |
2023 | continue; | |
2024 | coll_t temp = p->get_temp(); | |
2025 | if (temps.count(temp)) { | |
2026 | temps.erase(temp); | |
2027 | } else { | |
31f18b77 | 2028 | dout(10) << __FUNC__ << ": creating " << temp << dendl; |
7c673cae | 2029 | r = _create_collection(temp, 0, spos); |
11fdf7f2 | 2030 | ceph_assert(r == 0); |
7c673cae FG |
2031 | } |
2032 | } | |
2033 | ||
2034 | for (set<coll_t>::iterator p = temps.begin(); p != temps.end(); ++p) { | |
31f18b77 | 2035 | dout(10) << __FUNC__ << ": removing stray " << *p << dendl; |
7c673cae | 2036 | r = _collection_remove_recursive(*p, spos); |
11fdf7f2 | 2037 | ceph_assert(r == 0); |
7c673cae FG |
2038 | } |
2039 | } | |
2040 | ||
2041 | int FileStore::umount() | |
2042 | { | |
31f18b77 | 2043 | dout(5) << __FUNC__ << ": " << basedir << dendl; |
7c673cae FG |
2044 | |
2045 | flush(); | |
2046 | sync(); | |
2047 | do_force_sync(); | |
2048 | ||
11fdf7f2 TL |
2049 | { |
2050 | Mutex::Locker l(coll_lock); | |
2051 | coll_map.clear(); | |
2052 | } | |
2053 | ||
7c673cae FG |
2054 | lock.Lock(); |
2055 | stop = true; | |
2056 | sync_cond.Signal(); | |
2057 | lock.Unlock(); | |
2058 | sync_thread.join(); | |
2059 | if (!m_disable_wbthrottle){ | |
2060 | wbthrottle.stop(); | |
2061 | } | |
2062 | op_tp.stop(); | |
2063 | ||
2064 | journal_stop(); | |
2065 | if (!(generic_flags & SKIP_JOURNAL_REPLAY)) | |
2066 | journal_write_close(); | |
2067 | ||
2068 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
2069 | (*it)->stop(); | |
2070 | } | |
2071 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
2072 | (*it)->stop(); | |
2073 | } | |
2074 | ||
11fdf7f2 TL |
2075 | if (vdo_fd >= 0) { |
2076 | VOID_TEMP_FAILURE_RETRY(::close(vdo_fd)); | |
2077 | vdo_fd = -1; | |
2078 | } | |
7c673cae FG |
2079 | if (fsid_fd >= 0) { |
2080 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
2081 | fsid_fd = -1; | |
2082 | } | |
2083 | if (op_fd >= 0) { | |
2084 | VOID_TEMP_FAILURE_RETRY(::close(op_fd)); | |
2085 | op_fd = -1; | |
2086 | } | |
2087 | if (current_fd >= 0) { | |
2088 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
2089 | current_fd = -1; | |
2090 | } | |
2091 | if (basedir_fd >= 0) { | |
2092 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
2093 | basedir_fd = -1; | |
2094 | } | |
2095 | ||
2096 | force_sync = false; | |
2097 | ||
2098 | delete backend; | |
11fdf7f2 | 2099 | backend = nullptr; |
7c673cae FG |
2100 | |
2101 | object_map.reset(); | |
2102 | ||
2103 | { | |
2104 | Mutex::Locker l(sync_entry_timeo_lock); | |
2105 | timer.shutdown(); | |
2106 | } | |
2107 | ||
2108 | // nothing | |
2109 | return 0; | |
2110 | } | |
2111 | ||
2112 | ||
11fdf7f2 TL |
2113 | /// ----------------------------- |
2114 | ||
2115 | // keep OpSequencer handles alive for all time so that a sequence | |
2116 | // that removes a collection and creates a new one will not allow | |
2117 | // two sequencers for the same collection to be alive at once. | |
2118 | ||
2119 | ObjectStore::CollectionHandle FileStore::open_collection(const coll_t& c) | |
2120 | { | |
2121 | Mutex::Locker l(coll_lock); | |
2122 | auto p = coll_map.find(c); | |
2123 | if (p == coll_map.end()) { | |
2124 | return CollectionHandle(); | |
2125 | } | |
2126 | return p->second; | |
2127 | } | |
2128 | ||
2129 | ObjectStore::CollectionHandle FileStore::create_new_collection(const coll_t& c) | |
2130 | { | |
2131 | Mutex::Locker l(coll_lock); | |
2132 | auto p = coll_map.find(c); | |
2133 | if (p == coll_map.end()) { | |
2134 | auto *r = new OpSequencer(cct, ++next_osr_id, c); | |
2135 | coll_map[c] = r; | |
2136 | return r; | |
2137 | } else { | |
2138 | return p->second; | |
2139 | } | |
2140 | } | |
7c673cae FG |
2141 | |
2142 | ||
2143 | /// ----------------------------- | |
2144 | ||
2145 | FileStore::Op *FileStore::build_op(vector<Transaction>& tls, | |
2146 | Context *onreadable, | |
2147 | Context *onreadable_sync, | |
2148 | TrackedOpRef osd_op) | |
2149 | { | |
2150 | uint64_t bytes = 0, ops = 0; | |
2151 | for (vector<Transaction>::iterator p = tls.begin(); | |
2152 | p != tls.end(); | |
2153 | ++p) { | |
2154 | bytes += (*p).get_num_bytes(); | |
2155 | ops += (*p).get_num_ops(); | |
2156 | } | |
2157 | ||
2158 | Op *o = new Op; | |
2159 | o->start = ceph_clock_now(); | |
2160 | o->tls = std::move(tls); | |
2161 | o->onreadable = onreadable; | |
2162 | o->onreadable_sync = onreadable_sync; | |
2163 | o->ops = ops; | |
2164 | o->bytes = bytes; | |
2165 | o->osd_op = osd_op; | |
2166 | return o; | |
2167 | } | |
2168 | ||
2169 | ||
2170 | ||
2171 | void FileStore::queue_op(OpSequencer *osr, Op *o) | |
2172 | { | |
2173 | // queue op on sequencer, then queue sequencer for the threadpool, | |
2174 | // so that regardless of which order the threads pick up the | |
2175 | // sequencer, the op order will be preserved. | |
2176 | ||
2177 | osr->queue(o); | |
2178 | o->trace.event("queued"); | |
2179 | ||
2180 | logger->inc(l_filestore_ops); | |
2181 | logger->inc(l_filestore_bytes, o->bytes); | |
2182 | ||
31f18b77 | 2183 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op |
7c673cae FG |
2184 | << " " << *osr |
2185 | << " " << o->bytes << " bytes" | |
2186 | << " (queue has " << throttle_ops.get_current() << " ops and " << throttle_bytes.get_current() << " bytes)" | |
2187 | << dendl; | |
2188 | op_wq.queue(osr); | |
2189 | } | |
2190 | ||
2191 | void FileStore::op_queue_reserve_throttle(Op *o) | |
2192 | { | |
2193 | throttle_ops.get(); | |
2194 | throttle_bytes.get(o->bytes); | |
2195 | ||
2196 | logger->set(l_filestore_op_queue_ops, throttle_ops.get_current()); | |
2197 | logger->set(l_filestore_op_queue_bytes, throttle_bytes.get_current()); | |
2198 | } | |
2199 | ||
2200 | void FileStore::op_queue_release_throttle(Op *o) | |
2201 | { | |
2202 | throttle_ops.put(); | |
2203 | throttle_bytes.put(o->bytes); | |
2204 | logger->set(l_filestore_op_queue_ops, throttle_ops.get_current()); | |
2205 | logger->set(l_filestore_op_queue_bytes, throttle_bytes.get_current()); | |
2206 | } | |
2207 | ||
2208 | void FileStore::_do_op(OpSequencer *osr, ThreadPool::TPHandle &handle) | |
2209 | { | |
2210 | if (!m_disable_wbthrottle) { | |
2211 | wbthrottle.throttle(); | |
2212 | } | |
2213 | // inject a stall? | |
2214 | if (cct->_conf->filestore_inject_stall) { | |
2215 | int orig = cct->_conf->filestore_inject_stall; | |
31f18b77 | 2216 | dout(5) << __FUNC__ << ": filestore_inject_stall " << orig << ", sleeping" << dendl; |
7c673cae | 2217 | sleep(orig); |
11fdf7f2 | 2218 | cct->_conf.set_val("filestore_inject_stall", "0"); |
31f18b77 | 2219 | dout(5) << __FUNC__ << ": done stalling" << dendl; |
7c673cae FG |
2220 | } |
2221 | ||
2222 | osr->apply_lock.Lock(); | |
2223 | Op *o = osr->peek_queue(); | |
2224 | o->trace.event("op_apply_start"); | |
2225 | apply_manager.op_apply_start(o->op); | |
11fdf7f2 | 2226 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " start" << dendl; |
7c673cae | 2227 | o->trace.event("_do_transactions start"); |
11fdf7f2 | 2228 | int r = _do_transactions(o->tls, o->op, &handle, osr->osr_name); |
7c673cae FG |
2229 | o->trace.event("op_apply_finish"); |
2230 | apply_manager.op_apply_finish(o->op); | |
31f18b77 | 2231 | dout(10) << __FUNC__ << ": " << o << " seq " << o->op << " r = " << r |
7c673cae | 2232 | << ", finisher " << o->onreadable << " " << o->onreadable_sync << dendl; |
7c673cae FG |
2233 | } |
2234 | ||
2235 | void FileStore::_finish_op(OpSequencer *osr) | |
2236 | { | |
2237 | list<Context*> to_queue; | |
2238 | Op *o = osr->dequeue(&to_queue); | |
2239 | ||
11fdf7f2 TL |
2240 | o->tls.clear(); |
2241 | ||
7c673cae FG |
2242 | utime_t lat = ceph_clock_now(); |
2243 | lat -= o->start; | |
2244 | ||
11fdf7f2 | 2245 | dout(10) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " lat " << lat << dendl; |
7c673cae FG |
2246 | osr->apply_lock.Unlock(); // locked in _do_op |
2247 | o->trace.event("_finish_op"); | |
2248 | ||
2249 | // called with tp lock held | |
2250 | op_queue_release_throttle(o); | |
2251 | ||
2252 | logger->tinc(l_filestore_apply_latency, lat); | |
2253 | ||
2254 | if (o->onreadable_sync) { | |
2255 | o->onreadable_sync->complete(0); | |
2256 | } | |
2257 | if (o->onreadable) { | |
2258 | apply_finishers[osr->id % m_apply_finisher_num]->queue(o->onreadable); | |
2259 | } | |
2260 | if (!to_queue.empty()) { | |
2261 | apply_finishers[osr->id % m_apply_finisher_num]->queue(to_queue); | |
2262 | } | |
2263 | delete o; | |
11fdf7f2 | 2264 | o = nullptr; |
7c673cae FG |
2265 | } |
2266 | ||
7c673cae FG |
2267 | struct C_JournaledAhead : public Context { |
2268 | FileStore *fs; | |
2269 | FileStore::OpSequencer *osr; | |
2270 | FileStore::Op *o; | |
2271 | Context *ondisk; | |
2272 | ||
2273 | C_JournaledAhead(FileStore *f, FileStore::OpSequencer *os, FileStore::Op *o, Context *ondisk): | |
2274 | fs(f), osr(os), o(o), ondisk(ondisk) { } | |
2275 | void finish(int r) override { | |
2276 | fs->_journaled_ahead(osr, o, ondisk); | |
2277 | } | |
2278 | }; | |
2279 | ||
11fdf7f2 | 2280 | int FileStore::queue_transactions(CollectionHandle& ch, vector<Transaction>& tls, |
7c673cae FG |
2281 | TrackedOpRef osd_op, |
2282 | ThreadPool::TPHandle *handle) | |
2283 | { | |
2284 | Context *onreadable; | |
2285 | Context *ondisk; | |
2286 | Context *onreadable_sync; | |
2287 | ObjectStore::Transaction::collect_contexts( | |
2288 | tls, &onreadable, &ondisk, &onreadable_sync); | |
2289 | ||
2290 | if (cct->_conf->objectstore_blackhole) { | |
31f18b77 | 2291 | dout(0) << __FUNC__ << ": objectstore_blackhole = TRUE, dropping transaction" |
7c673cae FG |
2292 | << dendl; |
2293 | delete ondisk; | |
11fdf7f2 | 2294 | ondisk = nullptr; |
7c673cae | 2295 | delete onreadable; |
11fdf7f2 | 2296 | onreadable = nullptr; |
7c673cae | 2297 | delete onreadable_sync; |
11fdf7f2 | 2298 | onreadable_sync = nullptr; |
7c673cae FG |
2299 | return 0; |
2300 | } | |
2301 | ||
2302 | utime_t start = ceph_clock_now(); | |
7c673cae | 2303 | |
11fdf7f2 TL |
2304 | OpSequencer *osr = static_cast<OpSequencer*>(ch.get()); |
2305 | dout(5) << __FUNC__ << ": osr " << osr << " " << *osr << dendl; | |
7c673cae FG |
2306 | |
2307 | ZTracer::Trace trace; | |
2308 | if (osd_op && osd_op->pg_trace) { | |
2309 | osd_op->store_trace.init("filestore op", &trace_endpoint, &osd_op->pg_trace); | |
2310 | trace = osd_op->store_trace; | |
2311 | } | |
2312 | ||
2313 | if (journal && journal->is_writeable() && !m_filestore_journal_trailing) { | |
2314 | Op *o = build_op(tls, onreadable, onreadable_sync, osd_op); | |
2315 | ||
2316 | //prepare and encode transactions data out of lock | |
2317 | bufferlist tbl; | |
2318 | int orig_len = journal->prepare_entry(o->tls, &tbl); | |
2319 | ||
2320 | if (handle) | |
2321 | handle->suspend_tp_timeout(); | |
2322 | ||
2323 | op_queue_reserve_throttle(o); | |
2324 | journal->reserve_throttle_and_backoff(tbl.length()); | |
2325 | ||
2326 | if (handle) | |
2327 | handle->reset_tp_timeout(); | |
2328 | ||
2329 | uint64_t op_num = submit_manager.op_submit_start(); | |
2330 | o->op = op_num; | |
2331 | trace.keyval("opnum", op_num); | |
2332 | ||
2333 | if (m_filestore_do_dump) | |
2334 | dump_transactions(o->tls, o->op, osr); | |
2335 | ||
2336 | if (m_filestore_journal_parallel) { | |
31f18b77 | 2337 | dout(5) << __FUNC__ << ": (parallel) " << o->op << " " << o->tls << dendl; |
7c673cae FG |
2338 | |
2339 | trace.keyval("journal mode", "parallel"); | |
2340 | trace.event("journal started"); | |
2341 | _op_journal_transactions(tbl, orig_len, o->op, ondisk, osd_op); | |
2342 | ||
2343 | // queue inside submit_manager op submission lock | |
2344 | queue_op(osr, o); | |
2345 | trace.event("op queued"); | |
2346 | } else if (m_filestore_journal_writeahead) { | |
31f18b77 | 2347 | dout(5) << __FUNC__ << ": (writeahead) " << o->op << " " << o->tls << dendl; |
7c673cae | 2348 | |
11fdf7f2 | 2349 | osr->queue_journal(o); |
7c673cae FG |
2350 | |
2351 | trace.keyval("journal mode", "writeahead"); | |
2352 | trace.event("journal started"); | |
2353 | _op_journal_transactions(tbl, orig_len, o->op, | |
2354 | new C_JournaledAhead(this, osr, o, ondisk), | |
2355 | osd_op); | |
2356 | } else { | |
2357 | ceph_abort(); | |
2358 | } | |
2359 | submit_manager.op_submit_finish(op_num); | |
2360 | utime_t end = ceph_clock_now(); | |
2361 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2362 | return 0; | |
2363 | } | |
2364 | ||
2365 | if (!journal) { | |
2366 | Op *o = build_op(tls, onreadable, onreadable_sync, osd_op); | |
31f18b77 | 2367 | dout(5) << __FUNC__ << ": (no journal) " << o << " " << tls << dendl; |
7c673cae FG |
2368 | |
2369 | if (handle) | |
2370 | handle->suspend_tp_timeout(); | |
2371 | ||
2372 | op_queue_reserve_throttle(o); | |
2373 | ||
2374 | if (handle) | |
2375 | handle->reset_tp_timeout(); | |
2376 | ||
2377 | uint64_t op_num = submit_manager.op_submit_start(); | |
2378 | o->op = op_num; | |
2379 | ||
2380 | if (m_filestore_do_dump) | |
2381 | dump_transactions(o->tls, o->op, osr); | |
2382 | ||
2383 | queue_op(osr, o); | |
2384 | trace.keyval("opnum", op_num); | |
2385 | trace.keyval("journal mode", "none"); | |
2386 | trace.event("op queued"); | |
2387 | ||
2388 | if (ondisk) | |
2389 | apply_manager.add_waiter(op_num, ondisk); | |
2390 | submit_manager.op_submit_finish(op_num); | |
2391 | utime_t end = ceph_clock_now(); | |
2392 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2393 | return 0; | |
2394 | } | |
2395 | ||
11fdf7f2 | 2396 | ceph_assert(journal); |
7c673cae FG |
2397 | //prepare and encode transactions data out of lock |
2398 | bufferlist tbl; | |
2399 | int orig_len = -1; | |
2400 | if (journal->is_writeable()) { | |
2401 | orig_len = journal->prepare_entry(tls, &tbl); | |
2402 | } | |
2403 | uint64_t op = submit_manager.op_submit_start(); | |
31f18b77 | 2404 | dout(5) << __FUNC__ << ": (trailing journal) " << op << " " << tls << dendl; |
7c673cae FG |
2405 | |
2406 | if (m_filestore_do_dump) | |
2407 | dump_transactions(tls, op, osr); | |
2408 | ||
2409 | trace.event("op_apply_start"); | |
2410 | trace.keyval("opnum", op); | |
2411 | trace.keyval("journal mode", "trailing"); | |
2412 | apply_manager.op_apply_start(op); | |
2413 | trace.event("do_transactions"); | |
2414 | int r = do_transactions(tls, op); | |
2415 | ||
2416 | if (r >= 0) { | |
2417 | trace.event("journal started"); | |
2418 | _op_journal_transactions(tbl, orig_len, op, ondisk, osd_op); | |
2419 | } else { | |
2420 | delete ondisk; | |
11fdf7f2 | 2421 | ondisk = nullptr; |
7c673cae FG |
2422 | } |
2423 | ||
2424 | // start on_readable finisher after we queue journal item, as on_readable callback | |
2425 | // is allowed to delete the Transaction | |
2426 | if (onreadable_sync) { | |
2427 | onreadable_sync->complete(r); | |
2428 | } | |
2429 | apply_finishers[osr->id % m_apply_finisher_num]->queue(onreadable, r); | |
2430 | ||
2431 | submit_manager.op_submit_finish(op); | |
2432 | trace.event("op_apply_finish"); | |
2433 | apply_manager.op_apply_finish(op); | |
2434 | ||
2435 | utime_t end = ceph_clock_now(); | |
2436 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2437 | return r; | |
2438 | } | |
2439 | ||
2440 | void FileStore::_journaled_ahead(OpSequencer *osr, Op *o, Context *ondisk) | |
2441 | { | |
31f18b77 | 2442 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " " << o->tls << dendl; |
7c673cae FG |
2443 | |
2444 | o->trace.event("writeahead journal finished"); | |
2445 | ||
2446 | // this should queue in order because the journal does it's completions in order. | |
2447 | queue_op(osr, o); | |
2448 | ||
2449 | list<Context*> to_queue; | |
2450 | osr->dequeue_journal(&to_queue); | |
2451 | ||
2452 | // do ondisk completions async, to prevent any onreadable_sync completions | |
2453 | // getting blocked behind an ondisk completion. | |
2454 | if (ondisk) { | |
2455 | dout(10) << " queueing ondisk " << ondisk << dendl; | |
2456 | ondisk_finishers[osr->id % m_ondisk_finisher_num]->queue(ondisk); | |
2457 | } | |
2458 | if (!to_queue.empty()) { | |
2459 | ondisk_finishers[osr->id % m_ondisk_finisher_num]->queue(to_queue); | |
2460 | } | |
2461 | } | |
2462 | ||
2463 | int FileStore::_do_transactions( | |
2464 | vector<Transaction> &tls, | |
2465 | uint64_t op_seq, | |
11fdf7f2 TL |
2466 | ThreadPool::TPHandle *handle, |
2467 | const char *osr_name) | |
7c673cae FG |
2468 | { |
2469 | int trans_num = 0; | |
2470 | ||
2471 | for (vector<Transaction>::iterator p = tls.begin(); | |
2472 | p != tls.end(); | |
2473 | ++p, trans_num++) { | |
11fdf7f2 | 2474 | _do_transaction(*p, op_seq, trans_num, handle, osr_name); |
7c673cae FG |
2475 | if (handle) |
2476 | handle->reset_tp_timeout(); | |
2477 | } | |
2478 | ||
2479 | return 0; | |
2480 | } | |
2481 | ||
2482 | void FileStore::_set_global_replay_guard(const coll_t& cid, | |
2483 | const SequencerPosition &spos) | |
2484 | { | |
2485 | if (backend->can_checkpoint()) | |
2486 | return; | |
2487 | ||
2488 | // sync all previous operations on this sequencer | |
2489 | int ret = object_map->sync(); | |
2490 | if (ret < 0) { | |
31f18b77 | 2491 | derr << __FUNC__ << ": omap sync error " << cpp_strerror(ret) << dendl; |
11fdf7f2 | 2492 | ceph_abort_msg("_set_global_replay_guard failed"); |
7c673cae FG |
2493 | } |
2494 | ret = sync_filesystem(basedir_fd); | |
2495 | if (ret < 0) { | |
31f18b77 | 2496 | derr << __FUNC__ << ": sync_filesystem error " << cpp_strerror(ret) << dendl; |
11fdf7f2 | 2497 | ceph_abort_msg("_set_global_replay_guard failed"); |
7c673cae FG |
2498 | } |
2499 | ||
2500 | char fn[PATH_MAX]; | |
2501 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2502 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
2503 | if (fd < 0) { |
2504 | int err = errno; | |
31f18b77 | 2505 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
11fdf7f2 | 2506 | ceph_abort_msg("_set_global_replay_guard failed"); |
7c673cae FG |
2507 | } |
2508 | ||
2509 | _inject_failure(); | |
2510 | ||
2511 | // then record that we did it | |
2512 | bufferlist v; | |
11fdf7f2 | 2513 | encode(spos, v); |
7c673cae FG |
2514 | int r = chain_fsetxattr<true, true>( |
2515 | fd, GLOBAL_REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2516 | if (r < 0) { | |
31f18b77 | 2517 | derr << __FUNC__ << ": fsetxattr " << GLOBAL_REPLAY_GUARD_XATTR |
7c673cae | 2518 | << " got " << cpp_strerror(r) << dendl; |
11fdf7f2 | 2519 | ceph_abort_msg("fsetxattr failed"); |
7c673cae FG |
2520 | } |
2521 | ||
2522 | // and make sure our xattr is durable. | |
a8e16298 TL |
2523 | r = ::fsync(fd); |
2524 | if (r < 0) { | |
2525 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2526 | ceph_abort(); | |
2527 | } | |
7c673cae FG |
2528 | |
2529 | _inject_failure(); | |
2530 | ||
2531 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 2532 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2533 | } |
2534 | ||
2535 | int FileStore::_check_global_replay_guard(const coll_t& cid, | |
2536 | const SequencerPosition& spos) | |
2537 | { | |
2538 | char fn[PATH_MAX]; | |
2539 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2540 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae | 2541 | if (fd < 0) { |
31f18b77 | 2542 | dout(10) << __FUNC__ << ": " << cid << " dne" << dendl; |
7c673cae FG |
2543 | return 1; // if collection does not exist, there is no guard, and we can replay. |
2544 | } | |
2545 | ||
2546 | char buf[100]; | |
2547 | int r = chain_fgetxattr(fd, GLOBAL_REPLAY_GUARD_XATTR, buf, sizeof(buf)); | |
2548 | if (r < 0) { | |
31f18b77 | 2549 | dout(20) << __FUNC__ << ": no xattr" << dendl; |
11fdf7f2 | 2550 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
2551 | VOID_TEMP_FAILURE_RETRY(::close(fd)); |
2552 | return 1; // no xattr | |
2553 | } | |
2554 | bufferlist bl; | |
2555 | bl.append(buf, r); | |
2556 | ||
2557 | SequencerPosition opos; | |
11fdf7f2 TL |
2558 | auto p = bl.cbegin(); |
2559 | decode(opos, p); | |
7c673cae FG |
2560 | |
2561 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2562 | return spos >= opos ? 1 : -1; | |
2563 | } | |
2564 | ||
2565 | ||
2566 | void FileStore::_set_replay_guard(const coll_t& cid, | |
2567 | const SequencerPosition &spos, | |
2568 | bool in_progress=false) | |
2569 | { | |
2570 | char fn[PATH_MAX]; | |
2571 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2572 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
2573 | if (fd < 0) { |
2574 | int err = errno; | |
31f18b77 | 2575 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
11fdf7f2 | 2576 | ceph_abort_msg("_set_replay_guard failed"); |
7c673cae FG |
2577 | } |
2578 | _set_replay_guard(fd, spos, 0, in_progress); | |
2579 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2580 | } | |
2581 | ||
2582 | ||
2583 | void FileStore::_set_replay_guard(int fd, | |
2584 | const SequencerPosition& spos, | |
2585 | const ghobject_t *hoid, | |
2586 | bool in_progress) | |
2587 | { | |
2588 | if (backend->can_checkpoint()) | |
2589 | return; | |
2590 | ||
31f18b77 | 2591 | dout(10) << __FUNC__ << ": " << spos << (in_progress ? " START" : "") << dendl; |
7c673cae FG |
2592 | |
2593 | _inject_failure(); | |
2594 | ||
2595 | // first make sure the previous operation commits | |
a8e16298 TL |
2596 | int r = ::fsync(fd); |
2597 | if (r < 0) { | |
2598 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2599 | ceph_abort(); | |
2600 | } | |
7c673cae FG |
2601 | |
2602 | if (!in_progress) { | |
2603 | // sync object_map too. even if this object has a header or keys, | |
2604 | // it have had them in the past and then removed them, so always | |
2605 | // sync. | |
2606 | object_map->sync(hoid, &spos); | |
2607 | } | |
2608 | ||
2609 | _inject_failure(); | |
2610 | ||
2611 | // then record that we did it | |
2612 | bufferlist v(40); | |
11fdf7f2 TL |
2613 | encode(spos, v); |
2614 | encode(in_progress, v); | |
a8e16298 | 2615 | r = chain_fsetxattr<true, true>( |
7c673cae FG |
2616 | fd, REPLAY_GUARD_XATTR, v.c_str(), v.length()); |
2617 | if (r < 0) { | |
2618 | derr << "fsetxattr " << REPLAY_GUARD_XATTR << " got " << cpp_strerror(r) << dendl; | |
11fdf7f2 | 2619 | ceph_abort_msg("fsetxattr failed"); |
7c673cae FG |
2620 | } |
2621 | ||
2622 | // and make sure our xattr is durable. | |
a8e16298 TL |
2623 | r = ::fsync(fd); |
2624 | if (r < 0) { | |
2625 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2626 | ceph_abort(); | |
2627 | } | |
7c673cae FG |
2628 | |
2629 | _inject_failure(); | |
2630 | ||
31f18b77 | 2631 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2632 | } |
2633 | ||
2634 | void FileStore::_close_replay_guard(const coll_t& cid, | |
2635 | const SequencerPosition &spos) | |
2636 | { | |
2637 | char fn[PATH_MAX]; | |
2638 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2639 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
2640 | if (fd < 0) { |
2641 | int err = errno; | |
31f18b77 | 2642 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
11fdf7f2 | 2643 | ceph_abort_msg("_close_replay_guard failed"); |
7c673cae FG |
2644 | } |
2645 | _close_replay_guard(fd, spos); | |
2646 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2647 | } | |
2648 | ||
2649 | void FileStore::_close_replay_guard(int fd, const SequencerPosition& spos, | |
2650 | const ghobject_t *hoid) | |
2651 | { | |
2652 | if (backend->can_checkpoint()) | |
2653 | return; | |
2654 | ||
31f18b77 | 2655 | dout(10) << __FUNC__ << ": " << spos << dendl; |
7c673cae FG |
2656 | |
2657 | _inject_failure(); | |
2658 | ||
2659 | // sync object_map too. even if this object has a header or keys, | |
2660 | // it have had them in the past and then removed them, so always | |
2661 | // sync. | |
2662 | object_map->sync(hoid, &spos); | |
2663 | ||
2664 | // then record that we are done with this operation | |
2665 | bufferlist v(40); | |
11fdf7f2 | 2666 | encode(spos, v); |
7c673cae | 2667 | bool in_progress = false; |
11fdf7f2 | 2668 | encode(in_progress, v); |
7c673cae FG |
2669 | int r = chain_fsetxattr<true, true>( |
2670 | fd, REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2671 | if (r < 0) { | |
2672 | derr << "fsetxattr " << REPLAY_GUARD_XATTR << " got " << cpp_strerror(r) << dendl; | |
11fdf7f2 | 2673 | ceph_abort_msg("fsetxattr failed"); |
7c673cae FG |
2674 | } |
2675 | ||
2676 | // and make sure our xattr is durable. | |
a8e16298 TL |
2677 | r = ::fsync(fd); |
2678 | if (r < 0) { | |
2679 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2680 | ceph_abort(); | |
2681 | } | |
7c673cae FG |
2682 | |
2683 | _inject_failure(); | |
2684 | ||
31f18b77 | 2685 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2686 | } |
2687 | ||
2688 | int FileStore::_check_replay_guard(const coll_t& cid, const ghobject_t &oid, | |
2689 | const SequencerPosition& spos) | |
2690 | { | |
2691 | if (!replaying || backend->can_checkpoint()) | |
2692 | return 1; | |
2693 | ||
2694 | int r = _check_global_replay_guard(cid, spos); | |
2695 | if (r < 0) | |
2696 | return r; | |
2697 | ||
2698 | FDRef fd; | |
2699 | r = lfn_open(cid, oid, false, &fd); | |
2700 | if (r < 0) { | |
31f18b77 | 2701 | dout(10) << __FUNC__ << ": " << cid << " " << oid << " dne" << dendl; |
7c673cae FG |
2702 | return 1; // if file does not exist, there is no guard, and we can replay. |
2703 | } | |
2704 | int ret = _check_replay_guard(**fd, spos); | |
2705 | lfn_close(fd); | |
2706 | return ret; | |
2707 | } | |
2708 | ||
2709 | int FileStore::_check_replay_guard(const coll_t& cid, const SequencerPosition& spos) | |
2710 | { | |
2711 | if (!replaying || backend->can_checkpoint()) | |
2712 | return 1; | |
2713 | ||
2714 | char fn[PATH_MAX]; | |
2715 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2716 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae | 2717 | if (fd < 0) { |
31f18b77 | 2718 | dout(10) << __FUNC__ << ": " << cid << " dne" << dendl; |
7c673cae FG |
2719 | return 1; // if collection does not exist, there is no guard, and we can replay. |
2720 | } | |
2721 | int ret = _check_replay_guard(fd, spos); | |
2722 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2723 | return ret; | |
2724 | } | |
2725 | ||
2726 | int FileStore::_check_replay_guard(int fd, const SequencerPosition& spos) | |
2727 | { | |
2728 | if (!replaying || backend->can_checkpoint()) | |
2729 | return 1; | |
2730 | ||
2731 | char buf[100]; | |
2732 | int r = chain_fgetxattr(fd, REPLAY_GUARD_XATTR, buf, sizeof(buf)); | |
2733 | if (r < 0) { | |
31f18b77 | 2734 | dout(20) << __FUNC__ << ": no xattr" << dendl; |
11fdf7f2 | 2735 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
2736 | return 1; // no xattr |
2737 | } | |
2738 | bufferlist bl; | |
2739 | bl.append(buf, r); | |
2740 | ||
2741 | SequencerPosition opos; | |
11fdf7f2 TL |
2742 | auto p = bl.cbegin(); |
2743 | decode(opos, p); | |
7c673cae FG |
2744 | bool in_progress = false; |
2745 | if (!p.end()) // older journals don't have this | |
11fdf7f2 | 2746 | decode(in_progress, p); |
7c673cae | 2747 | if (opos > spos) { |
31f18b77 | 2748 | dout(10) << __FUNC__ << ": object has " << opos << " > current pos " << spos |
7c673cae FG |
2749 | << ", now or in future, SKIPPING REPLAY" << dendl; |
2750 | return -1; | |
2751 | } else if (opos == spos) { | |
2752 | if (in_progress) { | |
31f18b77 | 2753 | dout(10) << __FUNC__ << ": object has " << opos << " == current pos " << spos |
7c673cae FG |
2754 | << ", in_progress=true, CONDITIONAL REPLAY" << dendl; |
2755 | return 0; | |
2756 | } else { | |
31f18b77 | 2757 | dout(10) << __FUNC__ << ": object has " << opos << " == current pos " << spos |
7c673cae FG |
2758 | << ", in_progress=false, SKIPPING REPLAY" << dendl; |
2759 | return -1; | |
2760 | } | |
2761 | } else { | |
31f18b77 | 2762 | dout(10) << __FUNC__ << ": object has " << opos << " < current pos " << spos |
7c673cae FG |
2763 | << ", in past, will replay" << dendl; |
2764 | return 1; | |
2765 | } | |
2766 | } | |
2767 | ||
2768 | void FileStore::_do_transaction( | |
2769 | Transaction& t, uint64_t op_seq, int trans_num, | |
11fdf7f2 TL |
2770 | ThreadPool::TPHandle *handle, |
2771 | const char *osr_name) | |
7c673cae | 2772 | { |
31f18b77 | 2773 | dout(10) << __FUNC__ << ": on " << &t << dendl; |
7c673cae | 2774 | |
7c673cae FG |
2775 | Transaction::iterator i = t.begin(); |
2776 | ||
2777 | SequencerPosition spos(op_seq, trans_num, 0); | |
2778 | while (i.have_op()) { | |
2779 | if (handle) | |
2780 | handle->reset_tp_timeout(); | |
2781 | ||
2782 | Transaction::Op *op = i.decode_op(); | |
2783 | int r = 0; | |
2784 | ||
2785 | _inject_failure(); | |
2786 | ||
2787 | switch (op->op) { | |
2788 | case Transaction::OP_NOP: | |
2789 | break; | |
2790 | case Transaction::OP_TOUCH: | |
2791 | { | |
2792 | const coll_t &_cid = i.get_cid(op->cid); | |
2793 | const ghobject_t &oid = i.get_oid(op->oid); | |
2794 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2795 | _cid : _cid.get_temp(); | |
2796 | tracepoint(objectstore, touch_enter, osr_name); | |
2797 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2798 | r = _touch(cid, oid); | |
2799 | tracepoint(objectstore, touch_exit, r); | |
2800 | } | |
2801 | break; | |
2802 | ||
2803 | case Transaction::OP_WRITE: | |
2804 | { | |
2805 | const coll_t &_cid = i.get_cid(op->cid); | |
2806 | const ghobject_t &oid = i.get_oid(op->oid); | |
2807 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2808 | _cid : _cid.get_temp(); | |
2809 | uint64_t off = op->off; | |
2810 | uint64_t len = op->len; | |
2811 | uint32_t fadvise_flags = i.get_fadvise_flags(); | |
2812 | bufferlist bl; | |
2813 | i.decode_bl(bl); | |
2814 | tracepoint(objectstore, write_enter, osr_name, off, len); | |
2815 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2816 | r = _write(cid, oid, off, len, bl, fadvise_flags); | |
2817 | tracepoint(objectstore, write_exit, r); | |
2818 | } | |
2819 | break; | |
2820 | ||
2821 | case Transaction::OP_ZERO: | |
2822 | { | |
2823 | const coll_t &_cid = i.get_cid(op->cid); | |
2824 | const ghobject_t &oid = i.get_oid(op->oid); | |
2825 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2826 | _cid : _cid.get_temp(); | |
2827 | uint64_t off = op->off; | |
2828 | uint64_t len = op->len; | |
2829 | tracepoint(objectstore, zero_enter, osr_name, off, len); | |
2830 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2831 | r = _zero(cid, oid, off, len); | |
2832 | tracepoint(objectstore, zero_exit, r); | |
2833 | } | |
2834 | break; | |
2835 | ||
2836 | case Transaction::OP_TRIMCACHE: | |
2837 | { | |
2838 | // deprecated, no-op | |
2839 | } | |
2840 | break; | |
2841 | ||
2842 | case Transaction::OP_TRUNCATE: | |
2843 | { | |
2844 | const coll_t &_cid = i.get_cid(op->cid); | |
2845 | const ghobject_t &oid = i.get_oid(op->oid); | |
2846 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2847 | _cid : _cid.get_temp(); | |
2848 | uint64_t off = op->off; | |
2849 | tracepoint(objectstore, truncate_enter, osr_name, off); | |
2850 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2851 | r = _truncate(cid, oid, off); | |
2852 | tracepoint(objectstore, truncate_exit, r); | |
2853 | } | |
2854 | break; | |
2855 | ||
2856 | case Transaction::OP_REMOVE: | |
2857 | { | |
2858 | const coll_t &_cid = i.get_cid(op->cid); | |
2859 | const ghobject_t &oid = i.get_oid(op->oid); | |
2860 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2861 | _cid : _cid.get_temp(); | |
2862 | tracepoint(objectstore, remove_enter, osr_name); | |
2863 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2864 | r = _remove(cid, oid, spos); | |
2865 | tracepoint(objectstore, remove_exit, r); | |
2866 | } | |
2867 | break; | |
2868 | ||
2869 | case Transaction::OP_SETATTR: | |
2870 | { | |
2871 | const coll_t &_cid = i.get_cid(op->cid); | |
2872 | const ghobject_t &oid = i.get_oid(op->oid); | |
2873 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2874 | _cid : _cid.get_temp(); | |
2875 | string name = i.decode_string(); | |
2876 | bufferlist bl; | |
2877 | i.decode_bl(bl); | |
2878 | tracepoint(objectstore, setattr_enter, osr_name); | |
2879 | if (_check_replay_guard(cid, oid, spos) > 0) { | |
2880 | map<string, bufferptr> to_set; | |
2881 | to_set[name] = bufferptr(bl.c_str(), bl.length()); | |
2882 | r = _setattrs(cid, oid, to_set, spos); | |
2883 | if (r == -ENOSPC) | |
2884 | dout(0) << " ENOSPC on setxattr on " << cid << "/" << oid | |
2885 | << " name " << name << " size " << bl.length() << dendl; | |
2886 | } | |
2887 | tracepoint(objectstore, setattr_exit, r); | |
2888 | } | |
2889 | break; | |
2890 | ||
2891 | case Transaction::OP_SETATTRS: | |
2892 | { | |
2893 | const coll_t &_cid = i.get_cid(op->cid); | |
2894 | const ghobject_t &oid = i.get_oid(op->oid); | |
2895 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2896 | _cid : _cid.get_temp(); | |
2897 | map<string, bufferptr> aset; | |
2898 | i.decode_attrset(aset); | |
2899 | tracepoint(objectstore, setattrs_enter, osr_name); | |
2900 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2901 | r = _setattrs(cid, oid, aset, spos); | |
2902 | tracepoint(objectstore, setattrs_exit, r); | |
2903 | if (r == -ENOSPC) | |
2904 | dout(0) << " ENOSPC on setxattrs on " << cid << "/" << oid << dendl; | |
2905 | } | |
2906 | break; | |
2907 | ||
2908 | case Transaction::OP_RMATTR: | |
2909 | { | |
2910 | const coll_t &_cid = i.get_cid(op->cid); | |
2911 | const ghobject_t &oid = i.get_oid(op->oid); | |
2912 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2913 | _cid : _cid.get_temp(); | |
2914 | string name = i.decode_string(); | |
2915 | tracepoint(objectstore, rmattr_enter, osr_name); | |
2916 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2917 | r = _rmattr(cid, oid, name.c_str(), spos); | |
2918 | tracepoint(objectstore, rmattr_exit, r); | |
2919 | } | |
2920 | break; | |
2921 | ||
2922 | case Transaction::OP_RMATTRS: | |
2923 | { | |
2924 | const coll_t &_cid = i.get_cid(op->cid); | |
2925 | const ghobject_t &oid = i.get_oid(op->oid); | |
2926 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2927 | _cid : _cid.get_temp(); | |
2928 | tracepoint(objectstore, rmattrs_enter, osr_name); | |
2929 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2930 | r = _rmattrs(cid, oid, spos); | |
2931 | tracepoint(objectstore, rmattrs_exit, r); | |
2932 | } | |
2933 | break; | |
2934 | ||
2935 | case Transaction::OP_CLONE: | |
2936 | { | |
2937 | const coll_t &_cid = i.get_cid(op->cid); | |
2938 | const ghobject_t &oid = i.get_oid(op->oid); | |
2939 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2940 | _cid : _cid.get_temp(); | |
2941 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2942 | tracepoint(objectstore, clone_enter, osr_name); | |
2943 | r = _clone(cid, oid, noid, spos); | |
2944 | tracepoint(objectstore, clone_exit, r); | |
2945 | } | |
2946 | break; | |
2947 | ||
2948 | case Transaction::OP_CLONERANGE: | |
2949 | { | |
2950 | const coll_t &_cid = i.get_cid(op->cid); | |
2951 | const ghobject_t &oid = i.get_oid(op->oid); | |
2952 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2953 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2954 | _cid : _cid.get_temp(); | |
2955 | const coll_t &ncid = !_need_temp_object_collection(_cid, noid) ? | |
2956 | _cid : _cid.get_temp(); | |
2957 | uint64_t off = op->off; | |
2958 | uint64_t len = op->len; | |
2959 | tracepoint(objectstore, clone_range_enter, osr_name, len); | |
2960 | r = _clone_range(cid, oid, ncid, noid, off, len, off, spos); | |
2961 | tracepoint(objectstore, clone_range_exit, r); | |
2962 | } | |
2963 | break; | |
2964 | ||
2965 | case Transaction::OP_CLONERANGE2: | |
2966 | { | |
2967 | const coll_t &_cid = i.get_cid(op->cid); | |
2968 | const ghobject_t &oid = i.get_oid(op->oid); | |
2969 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2970 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2971 | _cid : _cid.get_temp(); | |
2972 | const coll_t &ncid = !_need_temp_object_collection(_cid, noid) ? | |
2973 | _cid : _cid.get_temp(); | |
2974 | uint64_t srcoff = op->off; | |
2975 | uint64_t len = op->len; | |
2976 | uint64_t dstoff = op->dest_off; | |
2977 | tracepoint(objectstore, clone_range2_enter, osr_name, len); | |
2978 | r = _clone_range(cid, oid, ncid, noid, srcoff, len, dstoff, spos); | |
2979 | tracepoint(objectstore, clone_range2_exit, r); | |
2980 | } | |
2981 | break; | |
2982 | ||
2983 | case Transaction::OP_MKCOLL: | |
2984 | { | |
2985 | const coll_t &cid = i.get_cid(op->cid); | |
2986 | tracepoint(objectstore, mkcoll_enter, osr_name); | |
2987 | if (_check_replay_guard(cid, spos) > 0) | |
2988 | r = _create_collection(cid, op->split_bits, spos); | |
2989 | tracepoint(objectstore, mkcoll_exit, r); | |
2990 | } | |
2991 | break; | |
2992 | ||
2993 | case Transaction::OP_COLL_SET_BITS: | |
2994 | { | |
2995 | const coll_t &cid = i.get_cid(op->cid); | |
2996 | int bits = op->split_bits; | |
2997 | r = _collection_set_bits(cid, bits); | |
2998 | } | |
2999 | break; | |
3000 | ||
3001 | case Transaction::OP_COLL_HINT: | |
3002 | { | |
3003 | const coll_t &cid = i.get_cid(op->cid); | |
3004 | uint32_t type = op->hint_type; | |
3005 | bufferlist hint; | |
3006 | i.decode_bl(hint); | |
11fdf7f2 | 3007 | auto hiter = hint.cbegin(); |
7c673cae FG |
3008 | if (type == Transaction::COLL_HINT_EXPECTED_NUM_OBJECTS) { |
3009 | uint32_t pg_num; | |
3010 | uint64_t num_objs; | |
11fdf7f2 TL |
3011 | decode(pg_num, hiter); |
3012 | decode(num_objs, hiter); | |
7c673cae FG |
3013 | if (_check_replay_guard(cid, spos) > 0) { |
3014 | r = _collection_hint_expected_num_objs(cid, pg_num, num_objs, spos); | |
3015 | } | |
3016 | } else { | |
3017 | // Ignore the hint | |
3018 | dout(10) << "Unrecognized collection hint type: " << type << dendl; | |
3019 | } | |
3020 | } | |
3021 | break; | |
3022 | ||
3023 | case Transaction::OP_RMCOLL: | |
3024 | { | |
3025 | const coll_t &cid = i.get_cid(op->cid); | |
3026 | tracepoint(objectstore, rmcoll_enter, osr_name); | |
3027 | if (_check_replay_guard(cid, spos) > 0) | |
3028 | r = _destroy_collection(cid); | |
3029 | tracepoint(objectstore, rmcoll_exit, r); | |
3030 | } | |
3031 | break; | |
3032 | ||
3033 | case Transaction::OP_COLL_ADD: | |
3034 | { | |
3035 | const coll_t &ocid = i.get_cid(op->cid); | |
3036 | const coll_t &ncid = i.get_cid(op->dest_cid); | |
3037 | const ghobject_t &oid = i.get_oid(op->oid); | |
3038 | ||
11fdf7f2 | 3039 | ceph_assert(oid.hobj.pool >= -1); |
7c673cae FG |
3040 | |
3041 | // always followed by OP_COLL_REMOVE | |
3042 | Transaction::Op *op2 = i.decode_op(); | |
3043 | const coll_t &ocid2 = i.get_cid(op2->cid); | |
3044 | const ghobject_t &oid2 = i.get_oid(op2->oid); | |
11fdf7f2 TL |
3045 | ceph_assert(op2->op == Transaction::OP_COLL_REMOVE); |
3046 | ceph_assert(ocid2 == ocid); | |
3047 | ceph_assert(oid2 == oid); | |
7c673cae FG |
3048 | |
3049 | tracepoint(objectstore, coll_add_enter); | |
3050 | r = _collection_add(ncid, ocid, oid, spos); | |
3051 | tracepoint(objectstore, coll_add_exit, r); | |
3052 | spos.op++; | |
3053 | if (r < 0) | |
3054 | break; | |
3055 | tracepoint(objectstore, coll_remove_enter, osr_name); | |
3056 | if (_check_replay_guard(ocid, oid, spos) > 0) | |
3057 | r = _remove(ocid, oid, spos); | |
3058 | tracepoint(objectstore, coll_remove_exit, r); | |
3059 | } | |
3060 | break; | |
3061 | ||
3062 | case Transaction::OP_COLL_MOVE: | |
3063 | { | |
3064 | // WARNING: this is deprecated and buggy; only here to replay old journals. | |
3065 | const coll_t &ocid = i.get_cid(op->cid); | |
3066 | const coll_t &ncid = i.get_cid(op->dest_cid); | |
3067 | const ghobject_t &oid = i.get_oid(op->oid); | |
3068 | tracepoint(objectstore, coll_move_enter); | |
3069 | r = _collection_add(ocid, ncid, oid, spos); | |
3070 | if (r == 0 && | |
3071 | (_check_replay_guard(ocid, oid, spos) > 0)) | |
3072 | r = _remove(ocid, oid, spos); | |
3073 | tracepoint(objectstore, coll_move_exit, r); | |
3074 | } | |
3075 | break; | |
3076 | ||
3077 | case Transaction::OP_COLL_MOVE_RENAME: | |
3078 | { | |
3079 | const coll_t &_oldcid = i.get_cid(op->cid); | |
3080 | const ghobject_t &oldoid = i.get_oid(op->oid); | |
3081 | const coll_t &_newcid = i.get_cid(op->dest_cid); | |
3082 | const ghobject_t &newoid = i.get_oid(op->dest_oid); | |
3083 | const coll_t &oldcid = !_need_temp_object_collection(_oldcid, oldoid) ? | |
3084 | _oldcid : _oldcid.get_temp(); | |
3085 | const coll_t &newcid = !_need_temp_object_collection(_newcid, newoid) ? | |
3086 | _oldcid : _newcid.get_temp(); | |
3087 | tracepoint(objectstore, coll_move_rename_enter); | |
3088 | r = _collection_move_rename(oldcid, oldoid, newcid, newoid, spos); | |
3089 | tracepoint(objectstore, coll_move_rename_exit, r); | |
3090 | } | |
3091 | break; | |
3092 | ||
3093 | case Transaction::OP_TRY_RENAME: | |
3094 | { | |
3095 | const coll_t &_cid = i.get_cid(op->cid); | |
3096 | const ghobject_t &oldoid = i.get_oid(op->oid); | |
3097 | const ghobject_t &newoid = i.get_oid(op->dest_oid); | |
3098 | const coll_t &oldcid = !_need_temp_object_collection(_cid, oldoid) ? | |
3099 | _cid : _cid.get_temp(); | |
3100 | const coll_t &newcid = !_need_temp_object_collection(_cid, newoid) ? | |
3101 | _cid : _cid.get_temp(); | |
3102 | tracepoint(objectstore, coll_try_rename_enter); | |
3103 | r = _collection_move_rename(oldcid, oldoid, newcid, newoid, spos, true); | |
3104 | tracepoint(objectstore, coll_try_rename_exit, r); | |
3105 | } | |
3106 | break; | |
3107 | ||
3108 | case Transaction::OP_COLL_SETATTR: | |
3109 | case Transaction::OP_COLL_RMATTR: | |
11fdf7f2 | 3110 | ceph_abort_msg("collection attr methods no longer implemented"); |
7c673cae FG |
3111 | break; |
3112 | ||
3113 | case Transaction::OP_COLL_RENAME: | |
3114 | { | |
3115 | r = -EOPNOTSUPP; | |
3116 | } | |
3117 | break; | |
3118 | ||
3119 | case Transaction::OP_OMAP_CLEAR: | |
3120 | { | |
3121 | const coll_t &_cid = i.get_cid(op->cid); | |
3122 | const ghobject_t &oid = i.get_oid(op->oid); | |
3123 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3124 | _cid : _cid.get_temp(); | |
3125 | tracepoint(objectstore, omap_clear_enter, osr_name); | |
28e407b8 AA |
3126 | if (_check_replay_guard(cid, oid, spos) > 0) |
3127 | r = _omap_clear(cid, oid, spos); | |
7c673cae FG |
3128 | tracepoint(objectstore, omap_clear_exit, r); |
3129 | } | |
3130 | break; | |
3131 | case Transaction::OP_OMAP_SETKEYS: | |
3132 | { | |
3133 | const coll_t &_cid = i.get_cid(op->cid); | |
3134 | const ghobject_t &oid = i.get_oid(op->oid); | |
3135 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3136 | _cid : _cid.get_temp(); | |
3137 | map<string, bufferlist> aset; | |
3138 | i.decode_attrset(aset); | |
3139 | tracepoint(objectstore, omap_setkeys_enter, osr_name); | |
28e407b8 AA |
3140 | if (_check_replay_guard(cid, oid, spos) > 0) |
3141 | r = _omap_setkeys(cid, oid, aset, spos); | |
7c673cae FG |
3142 | tracepoint(objectstore, omap_setkeys_exit, r); |
3143 | } | |
3144 | break; | |
3145 | case Transaction::OP_OMAP_RMKEYS: | |
3146 | { | |
3147 | const coll_t &_cid = i.get_cid(op->cid); | |
3148 | const ghobject_t &oid = i.get_oid(op->oid); | |
3149 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3150 | _cid : _cid.get_temp(); | |
3151 | set<string> keys; | |
3152 | i.decode_keyset(keys); | |
3153 | tracepoint(objectstore, omap_rmkeys_enter, osr_name); | |
28e407b8 AA |
3154 | if (_check_replay_guard(cid, oid, spos) > 0) |
3155 | r = _omap_rmkeys(cid, oid, keys, spos); | |
7c673cae FG |
3156 | tracepoint(objectstore, omap_rmkeys_exit, r); |
3157 | } | |
3158 | break; | |
3159 | case Transaction::OP_OMAP_RMKEYRANGE: | |
3160 | { | |
3161 | const coll_t &_cid = i.get_cid(op->cid); | |
3162 | const ghobject_t &oid = i.get_oid(op->oid); | |
3163 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3164 | _cid : _cid.get_temp(); | |
3165 | string first, last; | |
3166 | first = i.decode_string(); | |
3167 | last = i.decode_string(); | |
3168 | tracepoint(objectstore, omap_rmkeyrange_enter, osr_name); | |
28e407b8 AA |
3169 | if (_check_replay_guard(cid, oid, spos) > 0) |
3170 | r = _omap_rmkeyrange(cid, oid, first, last, spos); | |
7c673cae FG |
3171 | tracepoint(objectstore, omap_rmkeyrange_exit, r); |
3172 | } | |
3173 | break; | |
3174 | case Transaction::OP_OMAP_SETHEADER: | |
3175 | { | |
3176 | const coll_t &_cid = i.get_cid(op->cid); | |
3177 | const ghobject_t &oid = i.get_oid(op->oid); | |
3178 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3179 | _cid : _cid.get_temp(); | |
3180 | bufferlist bl; | |
3181 | i.decode_bl(bl); | |
3182 | tracepoint(objectstore, omap_setheader_enter, osr_name); | |
28e407b8 AA |
3183 | if (_check_replay_guard(cid, oid, spos) > 0) |
3184 | r = _omap_setheader(cid, oid, bl, spos); | |
7c673cae FG |
3185 | tracepoint(objectstore, omap_setheader_exit, r); |
3186 | } | |
3187 | break; | |
3188 | case Transaction::OP_SPLIT_COLLECTION: | |
3189 | { | |
11fdf7f2 | 3190 | ceph_abort_msg("not legacy journal; upgrade to firefly first"); |
7c673cae FG |
3191 | } |
3192 | break; | |
3193 | case Transaction::OP_SPLIT_COLLECTION2: | |
3194 | { | |
3195 | coll_t cid = i.get_cid(op->cid); | |
3196 | uint32_t bits = op->split_bits; | |
3197 | uint32_t rem = op->split_rem; | |
3198 | coll_t dest = i.get_cid(op->dest_cid); | |
3199 | tracepoint(objectstore, split_coll2_enter, osr_name); | |
3200 | r = _split_collection(cid, bits, rem, dest, spos); | |
3201 | tracepoint(objectstore, split_coll2_exit, r); | |
3202 | } | |
3203 | break; | |
3204 | ||
11fdf7f2 TL |
3205 | case Transaction::OP_MERGE_COLLECTION: |
3206 | { | |
3207 | coll_t cid = i.get_cid(op->cid); | |
3208 | uint32_t bits = op->split_bits; | |
3209 | coll_t dest = i.get_cid(op->dest_cid); | |
3210 | tracepoint(objectstore, merge_coll_enter, osr_name); | |
3211 | r = _merge_collection(cid, bits, dest, spos); | |
3212 | tracepoint(objectstore, merge_coll_exit, r); | |
3213 | } | |
3214 | break; | |
3215 | ||
7c673cae FG |
3216 | case Transaction::OP_SETALLOCHINT: |
3217 | { | |
3218 | const coll_t &_cid = i.get_cid(op->cid); | |
3219 | const ghobject_t &oid = i.get_oid(op->oid); | |
3220 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3221 | _cid : _cid.get_temp(); | |
3222 | uint64_t expected_object_size = op->expected_object_size; | |
3223 | uint64_t expected_write_size = op->expected_write_size; | |
3224 | tracepoint(objectstore, setallochint_enter, osr_name); | |
3225 | if (_check_replay_guard(cid, oid, spos) > 0) | |
3226 | r = _set_alloc_hint(cid, oid, expected_object_size, | |
3227 | expected_write_size); | |
3228 | tracepoint(objectstore, setallochint_exit, r); | |
3229 | } | |
3230 | break; | |
3231 | ||
3232 | default: | |
3233 | derr << "bad op " << op->op << dendl; | |
3234 | ceph_abort(); | |
3235 | } | |
3236 | ||
3237 | if (r < 0) { | |
3238 | bool ok = false; | |
3239 | ||
3240 | if (r == -ENOENT && !(op->op == Transaction::OP_CLONERANGE || | |
3241 | op->op == Transaction::OP_CLONE || | |
3242 | op->op == Transaction::OP_CLONERANGE2 || | |
3243 | op->op == Transaction::OP_COLL_ADD || | |
3244 | op->op == Transaction::OP_SETATTR || | |
3245 | op->op == Transaction::OP_SETATTRS || | |
3246 | op->op == Transaction::OP_RMATTR || | |
3247 | op->op == Transaction::OP_OMAP_SETKEYS || | |
3248 | op->op == Transaction::OP_OMAP_RMKEYS || | |
3249 | op->op == Transaction::OP_OMAP_RMKEYRANGE || | |
3250 | op->op == Transaction::OP_OMAP_SETHEADER)) | |
3251 | // -ENOENT is normally okay | |
3252 | // ...including on a replayed OP_RMCOLL with checkpoint mode | |
3253 | ok = true; | |
3254 | if (r == -ENODATA) | |
3255 | ok = true; | |
3256 | ||
3257 | if (op->op == Transaction::OP_SETALLOCHINT) | |
3258 | // Either EOPNOTSUPP or EINVAL most probably. EINVAL in most | |
3259 | // cases means invalid hint size (e.g. too big, not a multiple | |
3260 | // of block size, etc) or, at least on xfs, an attempt to set | |
3261 | // or change it when the file is not empty. However, | |
3262 | // OP_SETALLOCHINT is advisory, so ignore all errors. | |
3263 | ok = true; | |
3264 | ||
3265 | if (replaying && !backend->can_checkpoint()) { | |
3266 | if (r == -EEXIST && op->op == Transaction::OP_MKCOLL) { | |
3267 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3268 | ok = true; | |
3269 | } | |
3270 | if (r == -EEXIST && op->op == Transaction::OP_COLL_ADD) { | |
3271 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3272 | ok = true; | |
3273 | } | |
3274 | if (r == -EEXIST && op->op == Transaction::OP_COLL_MOVE) { | |
3275 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3276 | ok = true; | |
3277 | } | |
3278 | if (r == -ERANGE) { | |
3279 | dout(10) << "tolerating ERANGE on replay" << dendl; | |
3280 | ok = true; | |
3281 | } | |
3282 | if (r == -ENOENT) { | |
3283 | dout(10) << "tolerating ENOENT on replay" << dendl; | |
3284 | ok = true; | |
3285 | } | |
3286 | } | |
3287 | ||
3288 | if (!ok) { | |
3289 | const char *msg = "unexpected error code"; | |
3290 | ||
3291 | if (r == -ENOENT && (op->op == Transaction::OP_CLONERANGE || | |
3292 | op->op == Transaction::OP_CLONE || | |
3293 | op->op == Transaction::OP_CLONERANGE2)) { | |
3294 | msg = "ENOENT on clone suggests osd bug"; | |
3295 | } else if (r == -ENOSPC) { | |
3296 | // For now, if we hit _any_ ENOSPC, crash, before we do any damage | |
3297 | // by partially applying transactions. | |
3298 | msg = "ENOSPC from disk filesystem, misconfigured cluster"; | |
3299 | } else if (r == -ENOTEMPTY) { | |
3300 | msg = "ENOTEMPTY suggests garbage data in osd data dir"; | |
3301 | } else if (r == -EPERM) { | |
3302 | msg = "EPERM suggests file(s) in osd data dir not owned by ceph user, or leveldb corruption"; | |
3303 | } | |
3304 | ||
3305 | derr << " error " << cpp_strerror(r) << " not handled on operation " << op | |
3306 | << " (" << spos << ", or op " << spos.op << ", counting from 0)" << dendl; | |
3307 | dout(0) << msg << dendl; | |
3308 | dout(0) << " transaction dump:\n"; | |
3309 | JSONFormatter f(true); | |
3310 | f.open_object_section("transaction"); | |
3311 | t.dump(&f); | |
3312 | f.close_section(); | |
3313 | f.flush(*_dout); | |
3314 | *_dout << dendl; | |
3315 | ||
3316 | if (r == -EMFILE) { | |
3317 | dump_open_fds(cct); | |
3318 | } | |
3319 | ||
11fdf7f2 | 3320 | ceph_abort_msg("unexpected error"); |
7c673cae FG |
3321 | } |
3322 | } | |
3323 | ||
3324 | spos.op++; | |
3325 | } | |
3326 | ||
3327 | _inject_failure(); | |
3328 | } | |
3329 | ||
3330 | /*********************************************/ | |
3331 | ||
3332 | ||
3333 | ||
3334 | // -------------------- | |
3335 | // objects | |
3336 | ||
11fdf7f2 | 3337 | bool FileStore::exists(CollectionHandle& ch, const ghobject_t& oid) |
7c673cae | 3338 | { |
11fdf7f2 TL |
3339 | tracepoint(objectstore, exists_enter, ch->cid.c_str()); |
3340 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
3341 | osr->wait_for_apply(oid); | |
7c673cae | 3342 | struct stat st; |
11fdf7f2 | 3343 | bool retval = stat(ch, oid, &st) == 0; |
7c673cae FG |
3344 | tracepoint(objectstore, exists_exit, retval); |
3345 | return retval; | |
3346 | } | |
3347 | ||
3348 | int FileStore::stat( | |
11fdf7f2 | 3349 | CollectionHandle& ch, const ghobject_t& oid, struct stat *st, bool allow_eio) |
7c673cae | 3350 | { |
11fdf7f2 TL |
3351 | tracepoint(objectstore, stat_enter, ch->cid.c_str()); |
3352 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
3353 | osr->wait_for_apply(oid); | |
3354 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae | 3355 | int r = lfn_stat(cid, oid, st); |
11fdf7f2 | 3356 | ceph_assert(allow_eio || !m_filestore_fail_eio || r != -EIO); |
7c673cae | 3357 | if (r < 0) { |
11fdf7f2 | 3358 | dout(10) << __FUNC__ << ": " << ch->cid << "/" << oid |
7c673cae FG |
3359 | << " = " << r << dendl; |
3360 | } else { | |
11fdf7f2 | 3361 | dout(10) << __FUNC__ << ": " << ch->cid << "/" << oid |
7c673cae FG |
3362 | << " = " << r |
3363 | << " (size " << st->st_size << ")" << dendl; | |
3364 | } | |
3365 | if (cct->_conf->filestore_debug_inject_read_err && | |
3366 | debug_mdata_eio(oid)) { | |
3367 | return -EIO; | |
3368 | } else { | |
3369 | tracepoint(objectstore, stat_exit, r); | |
3370 | return r; | |
3371 | } | |
3372 | } | |
3373 | ||
3374 | int FileStore::set_collection_opts( | |
11fdf7f2 | 3375 | CollectionHandle& ch, |
7c673cae FG |
3376 | const pool_opts_t& opts) |
3377 | { | |
3378 | return -EOPNOTSUPP; | |
3379 | } | |
3380 | ||
3381 | int FileStore::read( | |
11fdf7f2 | 3382 | CollectionHandle& ch, |
7c673cae FG |
3383 | const ghobject_t& oid, |
3384 | uint64_t offset, | |
3385 | size_t len, | |
3386 | bufferlist& bl, | |
224ce89b | 3387 | uint32_t op_flags) |
7c673cae FG |
3388 | { |
3389 | int got; | |
11fdf7f2 TL |
3390 | tracepoint(objectstore, read_enter, ch->cid.c_str(), offset, len); |
3391 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae | 3392 | |
31f18b77 | 3393 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae | 3394 | |
11fdf7f2 TL |
3395 | auto osr = static_cast<OpSequencer*>(ch.get()); |
3396 | osr->wait_for_apply(oid); | |
3397 | ||
7c673cae FG |
3398 | FDRef fd; |
3399 | int r = lfn_open(cid, oid, false, &fd); | |
3400 | if (r < 0) { | |
31f18b77 | 3401 | dout(10) << __FUNC__ << ": (" << cid << "/" << oid << ") open error: " |
7c673cae FG |
3402 | << cpp_strerror(r) << dendl; |
3403 | return r; | |
3404 | } | |
3405 | ||
3406 | if (offset == 0 && len == 0) { | |
3407 | struct stat st; | |
3408 | memset(&st, 0, sizeof(struct stat)); | |
3409 | int r = ::fstat(**fd, &st); | |
11fdf7f2 | 3410 | ceph_assert(r == 0); |
7c673cae FG |
3411 | len = st.st_size; |
3412 | } | |
3413 | ||
3414 | #ifdef HAVE_POSIX_FADVISE | |
3415 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_RANDOM) | |
3416 | posix_fadvise(**fd, offset, len, POSIX_FADV_RANDOM); | |
3417 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL) | |
3418 | posix_fadvise(**fd, offset, len, POSIX_FADV_SEQUENTIAL); | |
3419 | #endif | |
3420 | ||
3421 | bufferptr bptr(len); // prealloc space for entire read | |
3422 | got = safe_pread(**fd, bptr.c_str(), len, offset); | |
3423 | if (got < 0) { | |
31f18b77 | 3424 | dout(10) << __FUNC__ << ": (" << cid << "/" << oid << ") pread error: " << cpp_strerror(got) << dendl; |
7c673cae | 3425 | lfn_close(fd); |
7c673cae FG |
3426 | return got; |
3427 | } | |
3428 | bptr.set_length(got); // properly size the buffer | |
3429 | bl.clear(); | |
3430 | bl.push_back(std::move(bptr)); // put it in the target bufferlist | |
3431 | ||
3432 | #ifdef HAVE_POSIX_FADVISE | |
3433 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED) | |
3434 | posix_fadvise(**fd, offset, len, POSIX_FADV_DONTNEED); | |
3435 | if (op_flags & (CEPH_OSD_OP_FLAG_FADVISE_RANDOM | CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL)) | |
3436 | posix_fadvise(**fd, offset, len, POSIX_FADV_NORMAL); | |
3437 | #endif | |
3438 | ||
3439 | if (m_filestore_sloppy_crc && (!replaying || backend->can_checkpoint())) { | |
3440 | ostringstream ss; | |
3441 | int errors = backend->_crc_verify_read(**fd, offset, got, bl, &ss); | |
3442 | if (errors != 0) { | |
31f18b77 | 3443 | dout(0) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" |
7c673cae | 3444 | << got << " ... BAD CRC:\n" << ss.str() << dendl; |
11fdf7f2 | 3445 | ceph_abort_msg("bad crc on read"); |
7c673cae FG |
3446 | } |
3447 | } | |
3448 | ||
3449 | lfn_close(fd); | |
3450 | ||
31f18b77 | 3451 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" |
7c673cae FG |
3452 | << got << "/" << len << dendl; |
3453 | if (cct->_conf->filestore_debug_inject_read_err && | |
3454 | debug_data_eio(oid)) { | |
3455 | return -EIO; | |
11fdf7f2 TL |
3456 | } else if (oid.hobj.pool > 0 && /* FIXME, see #23029 */ |
3457 | cct->_conf->filestore_debug_random_read_err && | |
3458 | (rand() % (int)(cct->_conf->filestore_debug_random_read_err * | |
3459 | 100.0)) == 0) { | |
224ce89b WB |
3460 | dout(0) << __func__ << ": inject random EIO" << dendl; |
3461 | return -EIO; | |
7c673cae FG |
3462 | } else { |
3463 | tracepoint(objectstore, read_exit, got); | |
3464 | return got; | |
3465 | } | |
3466 | } | |
3467 | ||
3468 | int FileStore::_do_fiemap(int fd, uint64_t offset, size_t len, | |
3469 | map<uint64_t, uint64_t> *m) | |
3470 | { | |
3471 | uint64_t i; | |
11fdf7f2 TL |
3472 | struct fiemap_extent *extent = nullptr; |
3473 | struct fiemap *fiemap = nullptr; | |
7c673cae FG |
3474 | int r = 0; |
3475 | ||
3476 | more: | |
3477 | r = backend->do_fiemap(fd, offset, len, &fiemap); | |
3478 | if (r < 0) | |
3479 | return r; | |
3480 | ||
3481 | if (fiemap->fm_mapped_extents == 0) { | |
3482 | free(fiemap); | |
3483 | return r; | |
3484 | } | |
3485 | ||
3486 | extent = &fiemap->fm_extents[0]; | |
3487 | ||
3488 | /* start where we were asked to start */ | |
3489 | if (extent->fe_logical < offset) { | |
3490 | extent->fe_length -= offset - extent->fe_logical; | |
3491 | extent->fe_logical = offset; | |
3492 | } | |
3493 | ||
3494 | i = 0; | |
3495 | ||
3496 | struct fiemap_extent *last = nullptr; | |
3497 | while (i < fiemap->fm_mapped_extents) { | |
3498 | struct fiemap_extent *next = extent + 1; | |
3499 | ||
31f18b77 | 3500 | dout(10) << __FUNC__ << ": fm_mapped_extents=" << fiemap->fm_mapped_extents |
7c673cae FG |
3501 | << " fe_logical=" << extent->fe_logical << " fe_length=" << extent->fe_length << dendl; |
3502 | ||
3503 | /* try to merge extents */ | |
3504 | while ((i < fiemap->fm_mapped_extents - 1) && | |
3505 | (extent->fe_logical + extent->fe_length == next->fe_logical)) { | |
3506 | next->fe_length += extent->fe_length; | |
3507 | next->fe_logical = extent->fe_logical; | |
3508 | extent = next; | |
3509 | next = extent + 1; | |
3510 | i++; | |
3511 | } | |
3512 | ||
3513 | if (extent->fe_logical + extent->fe_length > offset + len) | |
3514 | extent->fe_length = offset + len - extent->fe_logical; | |
3515 | (*m)[extent->fe_logical] = extent->fe_length; | |
3516 | i++; | |
3517 | last = extent++; | |
3518 | } | |
3519 | uint64_t xoffset = last->fe_logical + last->fe_length - offset; | |
3520 | offset = last->fe_logical + last->fe_length; | |
3521 | len -= xoffset; | |
3522 | const bool is_last = (last->fe_flags & FIEMAP_EXTENT_LAST) || (len == 0); | |
3523 | free(fiemap); | |
3524 | if (!is_last) { | |
3525 | goto more; | |
3526 | } | |
3527 | ||
3528 | return r; | |
3529 | } | |
3530 | ||
3531 | int FileStore::_do_seek_hole_data(int fd, uint64_t offset, size_t len, | |
3532 | map<uint64_t, uint64_t> *m) | |
3533 | { | |
3534 | #if defined(__linux__) && defined(SEEK_HOLE) && defined(SEEK_DATA) | |
3535 | off_t hole_pos, data_pos; | |
3536 | int r = 0; | |
3537 | ||
3538 | // If lseek fails with errno setting to be ENXIO, this means the current | |
3539 | // file offset is beyond the end of the file. | |
3540 | off_t start = offset; | |
3541 | while(start < (off_t)(offset + len)) { | |
3542 | data_pos = lseek(fd, start, SEEK_DATA); | |
3543 | if (data_pos < 0) { | |
3544 | if (errno == ENXIO) | |
3545 | break; | |
3546 | else { | |
3547 | r = -errno; | |
3548 | dout(10) << "failed to lseek: " << cpp_strerror(r) << dendl; | |
3549 | return r; | |
3550 | } | |
3551 | } else if (data_pos > (off_t)(offset + len)) { | |
3552 | break; | |
3553 | } | |
3554 | ||
3555 | hole_pos = lseek(fd, data_pos, SEEK_HOLE); | |
3556 | if (hole_pos < 0) { | |
3557 | if (errno == ENXIO) { | |
3558 | break; | |
3559 | } else { | |
3560 | r = -errno; | |
3561 | dout(10) << "failed to lseek: " << cpp_strerror(r) << dendl; | |
3562 | return r; | |
3563 | } | |
3564 | } | |
3565 | ||
3566 | if (hole_pos >= (off_t)(offset + len)) { | |
3567 | (*m)[data_pos] = offset + len - data_pos; | |
3568 | break; | |
3569 | } | |
3570 | (*m)[data_pos] = hole_pos - data_pos; | |
3571 | start = hole_pos; | |
3572 | } | |
3573 | ||
3574 | return r; | |
3575 | #else | |
3576 | (*m)[offset] = len; | |
3577 | return 0; | |
3578 | #endif | |
3579 | } | |
3580 | ||
11fdf7f2 | 3581 | int FileStore::fiemap(CollectionHandle& ch, const ghobject_t& oid, |
7c673cae FG |
3582 | uint64_t offset, size_t len, |
3583 | bufferlist& bl) | |
3584 | { | |
3585 | map<uint64_t, uint64_t> exomap; | |
11fdf7f2 | 3586 | int r = fiemap(ch, oid, offset, len, exomap); |
7c673cae | 3587 | if (r >= 0) { |
11fdf7f2 | 3588 | encode(exomap, bl); |
7c673cae FG |
3589 | } |
3590 | return r; | |
3591 | } | |
3592 | ||
11fdf7f2 | 3593 | int FileStore::fiemap(CollectionHandle& ch, const ghobject_t& oid, |
7c673cae FG |
3594 | uint64_t offset, size_t len, |
3595 | map<uint64_t, uint64_t>& destmap) | |
3596 | { | |
11fdf7f2 TL |
3597 | tracepoint(objectstore, fiemap_enter, ch->cid.c_str(), offset, len); |
3598 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae FG |
3599 | destmap.clear(); |
3600 | ||
3601 | if ((!backend->has_seek_data_hole() && !backend->has_fiemap()) || | |
3602 | len <= (size_t)m_filestore_fiemap_threshold) { | |
3603 | destmap[offset] = len; | |
3604 | return 0; | |
3605 | } | |
3606 | ||
31f18b77 | 3607 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae | 3608 | |
11fdf7f2 TL |
3609 | auto osr = static_cast<OpSequencer*>(ch.get()); |
3610 | osr->wait_for_apply(oid); | |
3611 | ||
7c673cae FG |
3612 | FDRef fd; |
3613 | ||
3614 | int r = lfn_open(cid, oid, false, &fd); | |
3615 | if (r < 0) { | |
3616 | dout(10) << "read couldn't open " << cid << "/" << oid << ": " << cpp_strerror(r) << dendl; | |
3617 | goto done; | |
3618 | } | |
3619 | ||
3620 | if (backend->has_seek_data_hole()) { | |
3621 | dout(15) << "seek_data/seek_hole " << cid << "/" << oid << " " << offset << "~" << len << dendl; | |
3622 | r = _do_seek_hole_data(**fd, offset, len, &destmap); | |
3623 | } else if (backend->has_fiemap()) { | |
3624 | dout(15) << "fiemap ioctl" << cid << "/" << oid << " " << offset << "~" << len << dendl; | |
3625 | r = _do_fiemap(**fd, offset, len, &destmap); | |
3626 | } | |
3627 | ||
3628 | lfn_close(fd); | |
3629 | ||
3630 | done: | |
3631 | ||
31f18b77 | 3632 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << r << " num_extents=" << destmap.size() << " " << destmap << dendl; |
11fdf7f2 | 3633 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
3634 | tracepoint(objectstore, fiemap_exit, r); |
3635 | return r; | |
3636 | } | |
3637 | ||
3638 | int FileStore::_remove(const coll_t& cid, const ghobject_t& oid, | |
3639 | const SequencerPosition &spos) | |
3640 | { | |
31f18b77 | 3641 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae | 3642 | int r = lfn_unlink(cid, oid, spos); |
31f18b77 | 3643 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
3644 | return r; |
3645 | } | |
3646 | ||
3647 | int FileStore::_truncate(const coll_t& cid, const ghobject_t& oid, uint64_t size) | |
3648 | { | |
31f18b77 | 3649 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " size " << size << dendl; |
7c673cae | 3650 | int r = lfn_truncate(cid, oid, size); |
31f18b77 | 3651 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " size " << size << " = " << r << dendl; |
7c673cae FG |
3652 | return r; |
3653 | } | |
3654 | ||
3655 | ||
3656 | int FileStore::_touch(const coll_t& cid, const ghobject_t& oid) | |
3657 | { | |
31f18b77 | 3658 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
3659 | |
3660 | FDRef fd; | |
3661 | int r = lfn_open(cid, oid, true, &fd); | |
3662 | if (r < 0) { | |
3663 | return r; | |
3664 | } else { | |
3665 | lfn_close(fd); | |
3666 | } | |
31f18b77 | 3667 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
3668 | return r; |
3669 | } | |
3670 | ||
3671 | int FileStore::_write(const coll_t& cid, const ghobject_t& oid, | |
3672 | uint64_t offset, size_t len, | |
3673 | const bufferlist& bl, uint32_t fadvise_flags) | |
3674 | { | |
31f18b77 | 3675 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3676 | int r; |
3677 | ||
3678 | FDRef fd; | |
3679 | r = lfn_open(cid, oid, true, &fd); | |
3680 | if (r < 0) { | |
31f18b77 | 3681 | dout(0) << __FUNC__ << ": couldn't open " << cid << "/" |
7c673cae FG |
3682 | << oid << ": " |
3683 | << cpp_strerror(r) << dendl; | |
3684 | goto out; | |
3685 | } | |
3686 | ||
3687 | // write | |
3688 | r = bl.write_fd(**fd, offset); | |
3689 | if (r < 0) { | |
31f18b77 | 3690 | derr << __FUNC__ << ": write_fd on " << cid << "/" << oid |
7c673cae FG |
3691 | << " error: " << cpp_strerror(r) << dendl; |
3692 | lfn_close(fd); | |
3693 | goto out; | |
3694 | } | |
3695 | r = bl.length(); | |
3696 | ||
3697 | if (r >= 0 && m_filestore_sloppy_crc) { | |
3698 | int rc = backend->_crc_update_write(**fd, offset, len, bl); | |
11fdf7f2 | 3699 | ceph_assert(rc >= 0); |
7c673cae FG |
3700 | } |
3701 | ||
3702 | if (replaying || m_disable_wbthrottle) { | |
3703 | if (fadvise_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED) { | |
3704 | #ifdef HAVE_POSIX_FADVISE | |
3705 | posix_fadvise(**fd, 0, 0, POSIX_FADV_DONTNEED); | |
3706 | #endif | |
3707 | } | |
3708 | } else { | |
3709 | wbthrottle.queue_wb(fd, oid, offset, len, | |
3710 | fadvise_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED); | |
3711 | } | |
3712 | ||
3713 | lfn_close(fd); | |
3714 | ||
3715 | out: | |
31f18b77 | 3716 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << r << dendl; |
7c673cae FG |
3717 | return r; |
3718 | } | |
3719 | ||
3720 | int FileStore::_zero(const coll_t& cid, const ghobject_t& oid, uint64_t offset, size_t len) | |
3721 | { | |
31f18b77 | 3722 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3723 | int ret = 0; |
3724 | ||
3725 | if (cct->_conf->filestore_punch_hole) { | |
3726 | #ifdef CEPH_HAVE_FALLOCATE | |
11fdf7f2 | 3727 | # if !defined(__APPLE__) && !defined(__FreeBSD__) |
7c673cae FG |
3728 | # ifdef FALLOC_FL_KEEP_SIZE |
3729 | // first try to punch a hole. | |
3730 | FDRef fd; | |
3731 | ret = lfn_open(cid, oid, false, &fd); | |
3732 | if (ret < 0) { | |
3733 | goto out; | |
3734 | } | |
3735 | ||
3736 | struct stat st; | |
3737 | ret = ::fstat(**fd, &st); | |
3738 | if (ret < 0) { | |
3739 | ret = -errno; | |
3740 | lfn_close(fd); | |
3741 | goto out; | |
3742 | } | |
3743 | ||
3744 | // first try fallocate | |
3745 | ret = fallocate(**fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE, | |
3746 | offset, len); | |
3747 | if (ret < 0) { | |
3748 | ret = -errno; | |
3749 | } else { | |
b32b8144 FG |
3750 | // ensure we extend file size, if needed |
3751 | if (len > 0 && offset + len > (uint64_t)st.st_size) { | |
7c673cae FG |
3752 | ret = ::ftruncate(**fd, offset + len); |
3753 | if (ret < 0) { | |
3754 | ret = -errno; | |
3755 | lfn_close(fd); | |
3756 | goto out; | |
3757 | } | |
3758 | } | |
3759 | } | |
3760 | lfn_close(fd); | |
3761 | ||
3762 | if (ret >= 0 && m_filestore_sloppy_crc) { | |
3763 | int rc = backend->_crc_update_zero(**fd, offset, len); | |
11fdf7f2 | 3764 | ceph_assert(rc >= 0); |
7c673cae FG |
3765 | } |
3766 | ||
3767 | if (ret == 0) | |
3768 | goto out; // yay! | |
3769 | if (ret != -EOPNOTSUPP) | |
3770 | goto out; // some other error | |
3771 | # endif | |
3772 | # endif | |
3773 | #endif | |
3774 | } | |
3775 | ||
3776 | // lame, kernel is old and doesn't support it. | |
3777 | // write zeros.. yuck! | |
31f18b77 | 3778 | dout(20) << __FUNC__ << ": falling back to writing zeros" << dendl; |
7c673cae FG |
3779 | { |
3780 | bufferlist bl; | |
3781 | bl.append_zero(len); | |
3782 | ret = _write(cid, oid, offset, len, bl); | |
3783 | } | |
3784 | ||
3785 | #ifdef CEPH_HAVE_FALLOCATE | |
11fdf7f2 | 3786 | # if !defined(__APPLE__) && !defined(__FreeBSD__) |
7c673cae FG |
3787 | # ifdef FALLOC_FL_KEEP_SIZE |
3788 | out: | |
3789 | # endif | |
3790 | # endif | |
3791 | #endif | |
31f18b77 | 3792 | dout(20) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << ret << dendl; |
7c673cae FG |
3793 | return ret; |
3794 | } | |
3795 | ||
3796 | int FileStore::_clone(const coll_t& cid, const ghobject_t& oldoid, const ghobject_t& newoid, | |
3797 | const SequencerPosition& spos) | |
3798 | { | |
31f18b77 | 3799 | dout(15) << __FUNC__ << ": " << cid << "/" << oldoid << " -> " << cid << "/" << newoid << dendl; |
7c673cae FG |
3800 | |
3801 | if (_check_replay_guard(cid, newoid, spos) < 0) | |
3802 | return 0; | |
3803 | ||
3804 | int r; | |
3805 | FDRef o, n; | |
3806 | { | |
3807 | Index index; | |
3808 | r = lfn_open(cid, oldoid, false, &o, &index); | |
3809 | if (r < 0) { | |
3810 | goto out2; | |
3811 | } | |
11fdf7f2 | 3812 | ceph_assert(index.index); |
7c673cae FG |
3813 | RWLock::WLocker l((index.index)->access_lock); |
3814 | ||
3815 | r = lfn_open(cid, newoid, true, &n, &index); | |
3816 | if (r < 0) { | |
3817 | goto out; | |
3818 | } | |
3819 | r = ::ftruncate(**n, 0); | |
3820 | if (r < 0) { | |
3821 | r = -errno; | |
3822 | goto out3; | |
3823 | } | |
3824 | struct stat st; | |
3825 | r = ::fstat(**o, &st); | |
3826 | if (r < 0) { | |
3827 | r = -errno; | |
3828 | goto out3; | |
3829 | } | |
3830 | ||
3831 | r = _do_clone_range(**o, **n, 0, st.st_size, 0); | |
3832 | if (r < 0) { | |
3833 | goto out3; | |
3834 | } | |
3835 | ||
3836 | dout(20) << "objectmap clone" << dendl; | |
3837 | r = object_map->clone(oldoid, newoid, &spos); | |
3838 | if (r < 0 && r != -ENOENT) | |
3839 | goto out3; | |
3840 | } | |
3841 | ||
3842 | { | |
3843 | char buf[2]; | |
3844 | map<string, bufferptr> aset; | |
3845 | r = _fgetattrs(**o, aset); | |
3846 | if (r < 0) | |
3847 | goto out3; | |
3848 | ||
3849 | r = chain_fgetxattr(**o, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
3850 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
3851 | r = chain_fsetxattr<true, true>(**n, XATTR_SPILL_OUT_NAME, XATTR_NO_SPILL_OUT, | |
3852 | sizeof(XATTR_NO_SPILL_OUT)); | |
3853 | } else { | |
3854 | r = chain_fsetxattr<true, true>(**n, XATTR_SPILL_OUT_NAME, XATTR_SPILL_OUT, | |
3855 | sizeof(XATTR_SPILL_OUT)); | |
3856 | } | |
3857 | if (r < 0) | |
3858 | goto out3; | |
3859 | ||
3860 | r = _fsetattrs(**n, aset); | |
3861 | if (r < 0) | |
3862 | goto out3; | |
3863 | } | |
3864 | ||
3865 | // clone is non-idempotent; record our work. | |
3866 | _set_replay_guard(**n, spos, &newoid); | |
3867 | ||
3868 | out3: | |
3869 | lfn_close(n); | |
3870 | out: | |
3871 | lfn_close(o); | |
3872 | out2: | |
31f18b77 | 3873 | dout(10) << __FUNC__ << ": " << cid << "/" << oldoid << " -> " << cid << "/" << newoid << " = " << r << dendl; |
11fdf7f2 | 3874 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
3875 | return r; |
3876 | } | |
3877 | ||
3878 | int FileStore::_do_clone_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) | |
3879 | { | |
31f18b77 | 3880 | dout(20) << __FUNC__ << ": copy " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3881 | return backend->clone_range(from, to, srcoff, len, dstoff); |
3882 | } | |
3883 | ||
3884 | int FileStore::_do_sparse_copy_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) | |
3885 | { | |
31f18b77 | 3886 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3887 | int r = 0; |
3888 | map<uint64_t, uint64_t> exomap; | |
3889 | // fiemap doesn't allow zero length | |
3890 | if (len == 0) | |
3891 | return 0; | |
3892 | ||
3893 | if (backend->has_seek_data_hole()) { | |
3894 | dout(15) << "seek_data/seek_hole " << from << " " << srcoff << "~" << len << dendl; | |
3895 | r = _do_seek_hole_data(from, srcoff, len, &exomap); | |
3896 | } else if (backend->has_fiemap()) { | |
3897 | dout(15) << "fiemap ioctl" << from << " " << srcoff << "~" << len << dendl; | |
3898 | r = _do_fiemap(from, srcoff, len, &exomap); | |
3899 | } | |
3900 | ||
3901 | ||
3902 | int64_t written = 0; | |
3903 | if (r < 0) | |
3904 | goto out; | |
3905 | ||
3906 | for (map<uint64_t, uint64_t>::iterator miter = exomap.begin(); miter != exomap.end(); ++miter) { | |
3907 | uint64_t it_off = miter->first - srcoff + dstoff; | |
3908 | r = _do_copy_range(from, to, miter->first, miter->second, it_off, true); | |
3909 | if (r < 0) { | |
31f18b77 | 3910 | derr << __FUNC__ << ": copy error at " << miter->first << "~" << miter->second |
7c673cae FG |
3911 | << " to " << it_off << ", " << cpp_strerror(r) << dendl; |
3912 | break; | |
3913 | } | |
3914 | written += miter->second; | |
3915 | } | |
3916 | ||
3917 | if (r >= 0) { | |
3918 | if (m_filestore_sloppy_crc) { | |
3919 | int rc = backend->_crc_update_clone_range(from, to, srcoff, len, dstoff); | |
11fdf7f2 | 3920 | ceph_assert(rc >= 0); |
7c673cae FG |
3921 | } |
3922 | struct stat st; | |
3923 | r = ::fstat(to, &st); | |
3924 | if (r < 0) { | |
3925 | r = -errno; | |
31f18b77 | 3926 | derr << __FUNC__ << ": fstat error at " << to << " " << cpp_strerror(r) << dendl; |
7c673cae FG |
3927 | goto out; |
3928 | } | |
3929 | if (st.st_size < (int)(dstoff + len)) { | |
3930 | r = ::ftruncate(to, dstoff + len); | |
3931 | if (r < 0) { | |
3932 | r = -errno; | |
31f18b77 | 3933 | derr << __FUNC__ << ": ftruncate error at " << dstoff+len << " " << cpp_strerror(r) << dendl; |
7c673cae FG |
3934 | goto out; |
3935 | } | |
3936 | } | |
3937 | r = written; | |
3938 | } | |
3939 | ||
3940 | out: | |
31f18b77 | 3941 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
7c673cae FG |
3942 | return r; |
3943 | } | |
3944 | ||
3945 | int FileStore::_do_copy_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff, bool skip_sloppycrc) | |
3946 | { | |
31f18b77 | 3947 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3948 | int r = 0; |
3949 | loff_t pos = srcoff; | |
3950 | loff_t end = srcoff + len; | |
3951 | int buflen = 4096 * 16; //limit by pipe max size.see fcntl | |
3952 | ||
3953 | #ifdef CEPH_HAVE_SPLICE | |
3954 | if (backend->has_splice()) { | |
3955 | int pipefd[2]; | |
91327a77 AA |
3956 | if (pipe_cloexec(pipefd) < 0) { |
3957 | int e = errno; | |
3958 | derr << " pipe " << " got " << cpp_strerror(e) << dendl; | |
3959 | return -e; | |
7c673cae FG |
3960 | } |
3961 | ||
3962 | loff_t dstpos = dstoff; | |
3963 | while (pos < end) { | |
11fdf7f2 TL |
3964 | int l = std::min<int>(end-pos, buflen); |
3965 | r = safe_splice(from, &pos, pipefd[1], nullptr, l, SPLICE_F_NONBLOCK); | |
7c673cae FG |
3966 | dout(10) << " safe_splice read from " << pos << "~" << l << " got " << r << dendl; |
3967 | if (r < 0) { | |
31f18b77 | 3968 | derr << __FUNC__ << ": safe_splice read error at " << pos << "~" << len |
7c673cae FG |
3969 | << ", " << cpp_strerror(r) << dendl; |
3970 | break; | |
3971 | } | |
3972 | if (r == 0) { | |
3973 | // hrm, bad source range, wtf. | |
3974 | r = -ERANGE; | |
31f18b77 | 3975 | derr << __FUNC__ << ": got short read result at " << pos |
7c673cae FG |
3976 | << " of fd " << from << " len " << len << dendl; |
3977 | break; | |
3978 | } | |
3979 | ||
11fdf7f2 | 3980 | r = safe_splice(pipefd[0], nullptr, to, &dstpos, r, 0); |
7c673cae FG |
3981 | dout(10) << " safe_splice write to " << to << " len " << r |
3982 | << " got " << r << dendl; | |
3983 | if (r < 0) { | |
31f18b77 | 3984 | derr << __FUNC__ << ": write error at " << pos << "~" |
7c673cae FG |
3985 | << r << ", " << cpp_strerror(r) << dendl; |
3986 | break; | |
3987 | } | |
3988 | } | |
3989 | close(pipefd[0]); | |
3990 | close(pipefd[1]); | |
3991 | } else | |
3992 | #endif | |
3993 | { | |
3994 | int64_t actual; | |
3995 | ||
3996 | actual = ::lseek64(from, srcoff, SEEK_SET); | |
3997 | if (actual != (int64_t)srcoff) { | |
3998 | if (actual < 0) | |
3999 | r = -errno; | |
4000 | else | |
4001 | r = -EINVAL; | |
4002 | derr << "lseek64 to " << srcoff << " got " << cpp_strerror(r) << dendl; | |
4003 | return r; | |
4004 | } | |
4005 | actual = ::lseek64(to, dstoff, SEEK_SET); | |
4006 | if (actual != (int64_t)dstoff) { | |
4007 | if (actual < 0) | |
4008 | r = -errno; | |
4009 | else | |
4010 | r = -EINVAL; | |
4011 | derr << "lseek64 to " << dstoff << " got " << cpp_strerror(r) << dendl; | |
4012 | return r; | |
4013 | } | |
4014 | ||
4015 | char buf[buflen]; | |
4016 | while (pos < end) { | |
11fdf7f2 | 4017 | int l = std::min<int>(end-pos, buflen); |
7c673cae FG |
4018 | r = ::read(from, buf, l); |
4019 | dout(25) << " read from " << pos << "~" << l << " got " << r << dendl; | |
4020 | if (r < 0) { | |
4021 | if (errno == EINTR) { | |
4022 | continue; | |
4023 | } else { | |
4024 | r = -errno; | |
31f18b77 | 4025 | derr << __FUNC__ << ": read error at " << pos << "~" << len |
7c673cae FG |
4026 | << ", " << cpp_strerror(r) << dendl; |
4027 | break; | |
4028 | } | |
4029 | } | |
4030 | if (r == 0) { | |
4031 | // hrm, bad source range, wtf. | |
4032 | r = -ERANGE; | |
31f18b77 | 4033 | derr << __FUNC__ << ": got short read result at " << pos |
7c673cae FG |
4034 | << " of fd " << from << " len " << len << dendl; |
4035 | break; | |
4036 | } | |
4037 | int op = 0; | |
4038 | while (op < r) { | |
4039 | int r2 = safe_write(to, buf+op, r-op); | |
4040 | dout(25) << " write to " << to << " len " << (r-op) | |
4041 | << " got " << r2 << dendl; | |
4042 | if (r2 < 0) { | |
4043 | r = r2; | |
31f18b77 | 4044 | derr << __FUNC__ << ": write error at " << pos << "~" |
7c673cae FG |
4045 | << r-op << ", " << cpp_strerror(r) << dendl; |
4046 | ||
4047 | break; | |
4048 | } | |
4049 | op += (r-op); | |
4050 | } | |
4051 | if (r < 0) | |
4052 | break; | |
4053 | pos += r; | |
4054 | } | |
4055 | } | |
4056 | ||
4057 | if (r < 0 && replaying) { | |
11fdf7f2 | 4058 | ceph_assert(r == -ERANGE); |
31f18b77 | 4059 | derr << __FUNC__ << ": short source tolerated because we are replaying" << dendl; |
94b18763 | 4060 | r = len; |
7c673cae | 4061 | } |
11fdf7f2 | 4062 | ceph_assert(replaying || pos == end); |
7c673cae FG |
4063 | if (r >= 0 && !skip_sloppycrc && m_filestore_sloppy_crc) { |
4064 | int rc = backend->_crc_update_clone_range(from, to, srcoff, len, dstoff); | |
11fdf7f2 | 4065 | ceph_assert(rc >= 0); |
7c673cae | 4066 | } |
31f18b77 | 4067 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
7c673cae FG |
4068 | return r; |
4069 | } | |
4070 | ||
4071 | int FileStore::_clone_range(const coll_t& oldcid, const ghobject_t& oldoid, const coll_t& newcid, const ghobject_t& newoid, | |
4072 | uint64_t srcoff, uint64_t len, uint64_t dstoff, | |
4073 | const SequencerPosition& spos) | |
4074 | { | |
31f18b77 | 4075 | dout(15) << __FUNC__ << ": " << oldcid << "/" << oldoid << " -> " << newcid << "/" << newoid << " " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
4076 | |
4077 | if (_check_replay_guard(newcid, newoid, spos) < 0) | |
4078 | return 0; | |
4079 | ||
4080 | int r; | |
4081 | FDRef o, n; | |
4082 | r = lfn_open(oldcid, oldoid, false, &o); | |
4083 | if (r < 0) { | |
4084 | goto out2; | |
4085 | } | |
4086 | r = lfn_open(newcid, newoid, true, &n); | |
4087 | if (r < 0) { | |
4088 | goto out; | |
4089 | } | |
4090 | r = _do_clone_range(**o, **n, srcoff, len, dstoff); | |
4091 | if (r < 0) { | |
4092 | goto out3; | |
4093 | } | |
4094 | ||
4095 | // clone is non-idempotent; record our work. | |
4096 | _set_replay_guard(**n, spos, &newoid); | |
4097 | ||
4098 | out3: | |
4099 | lfn_close(n); | |
4100 | out: | |
4101 | lfn_close(o); | |
4102 | out2: | |
31f18b77 | 4103 | dout(10) << __FUNC__ << ": " << oldcid << "/" << oldoid << " -> " << newcid << "/" << newoid << " " |
7c673cae FG |
4104 | << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
4105 | return r; | |
4106 | } | |
4107 | ||
4108 | class SyncEntryTimeout : public Context { | |
4109 | public: | |
4110 | CephContext* cct; | |
4111 | explicit SyncEntryTimeout(CephContext* cct, int commit_timeo) | |
4112 | : cct(cct), m_commit_timeo(commit_timeo) | |
4113 | { | |
4114 | } | |
4115 | ||
4116 | void finish(int r) override { | |
4117 | BackTrace *bt = new BackTrace(1); | |
4118 | generic_dout(-1) << "FileStore: sync_entry timed out after " | |
4119 | << m_commit_timeo << " seconds.\n"; | |
4120 | bt->print(*_dout); | |
4121 | *_dout << dendl; | |
4122 | delete bt; | |
11fdf7f2 | 4123 | bt = nullptr; |
7c673cae FG |
4124 | ceph_abort(); |
4125 | } | |
4126 | private: | |
4127 | int m_commit_timeo; | |
4128 | }; | |
4129 | ||
4130 | void FileStore::sync_entry() | |
4131 | { | |
4132 | lock.Lock(); | |
4133 | while (!stop) { | |
4134 | utime_t max_interval; | |
4135 | max_interval.set_from_double(m_filestore_max_sync_interval); | |
4136 | utime_t min_interval; | |
4137 | min_interval.set_from_double(m_filestore_min_sync_interval); | |
4138 | ||
4139 | utime_t startwait = ceph_clock_now(); | |
4140 | if (!force_sync) { | |
31f18b77 | 4141 | dout(20) << __FUNC__ << ": waiting for max_interval " << max_interval << dendl; |
7c673cae FG |
4142 | sync_cond.WaitInterval(lock, max_interval); |
4143 | } else { | |
31f18b77 | 4144 | dout(20) << __FUNC__ << ": not waiting, force_sync set" << dendl; |
7c673cae FG |
4145 | } |
4146 | ||
4147 | if (force_sync) { | |
31f18b77 | 4148 | dout(20) << __FUNC__ << ": force_sync set" << dendl; |
7c673cae FG |
4149 | force_sync = false; |
4150 | } else if (stop) { | |
31f18b77 | 4151 | dout(20) << __FUNC__ << ": stop set" << dendl; |
7c673cae FG |
4152 | break; |
4153 | } else { | |
4154 | // wait for at least the min interval | |
4155 | utime_t woke = ceph_clock_now(); | |
4156 | woke -= startwait; | |
31f18b77 | 4157 | dout(20) << __FUNC__ << ": woke after " << woke << dendl; |
7c673cae FG |
4158 | if (woke < min_interval) { |
4159 | utime_t t = min_interval; | |
4160 | t -= woke; | |
31f18b77 | 4161 | dout(20) << __FUNC__ << ": waiting for another " << t |
7c673cae FG |
4162 | << " to reach min interval " << min_interval << dendl; |
4163 | sync_cond.WaitInterval(lock, t); | |
4164 | } | |
4165 | } | |
4166 | ||
4167 | list<Context*> fin; | |
4168 | again: | |
4169 | fin.swap(sync_waiters); | |
4170 | lock.Unlock(); | |
4171 | ||
4172 | op_tp.pause(); | |
4173 | if (apply_manager.commit_start()) { | |
4174 | utime_t start = ceph_clock_now(); | |
4175 | uint64_t cp = apply_manager.get_committing_seq(); | |
4176 | ||
4177 | sync_entry_timeo_lock.Lock(); | |
4178 | SyncEntryTimeout *sync_entry_timeo = | |
4179 | new SyncEntryTimeout(cct, m_filestore_commit_timeout); | |
224ce89b WB |
4180 | if (!timer.add_event_after(m_filestore_commit_timeout, |
4181 | sync_entry_timeo)) { | |
4182 | sync_entry_timeo = nullptr; | |
4183 | } | |
7c673cae FG |
4184 | sync_entry_timeo_lock.Unlock(); |
4185 | ||
4186 | logger->set(l_filestore_committing, 1); | |
4187 | ||
31f18b77 | 4188 | dout(15) << __FUNC__ << ": committing " << cp << dendl; |
7c673cae FG |
4189 | stringstream errstream; |
4190 | if (cct->_conf->filestore_debug_omap_check && !object_map->check(errstream)) { | |
4191 | derr << errstream.str() << dendl; | |
4192 | ceph_abort(); | |
4193 | } | |
4194 | ||
4195 | if (backend->can_checkpoint()) { | |
4196 | int err = write_op_seq(op_fd, cp); | |
4197 | if (err < 0) { | |
4198 | derr << "Error during write_op_seq: " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4199 | ceph_abort_msg("error during write_op_seq"); |
7c673cae FG |
4200 | } |
4201 | ||
4202 | char s[NAME_MAX]; | |
4203 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)cp); | |
4204 | uint64_t cid = 0; | |
4205 | err = backend->create_checkpoint(s, &cid); | |
4206 | if (err < 0) { | |
4207 | int err = errno; | |
4208 | derr << "snap create '" << s << "' got error " << err << dendl; | |
11fdf7f2 | 4209 | ceph_assert(err == 0); |
7c673cae FG |
4210 | } |
4211 | ||
4212 | snaps.push_back(cp); | |
4213 | apply_manager.commit_started(); | |
4214 | op_tp.unpause(); | |
4215 | ||
4216 | if (cid > 0) { | |
4217 | dout(20) << " waiting for checkpoint " << cid << " to complete" << dendl; | |
4218 | err = backend->sync_checkpoint(cid); | |
4219 | if (err < 0) { | |
4220 | derr << "ioctl WAIT_SYNC got " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4221 | ceph_abort_msg("wait_sync got error"); |
7c673cae FG |
4222 | } |
4223 | dout(20) << " done waiting for checkpoint " << cid << " to complete" << dendl; | |
4224 | } | |
224ce89b | 4225 | } else { |
7c673cae FG |
4226 | apply_manager.commit_started(); |
4227 | op_tp.unpause(); | |
4228 | ||
4229 | int err = object_map->sync(); | |
4230 | if (err < 0) { | |
4231 | derr << "object_map sync got " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4232 | ceph_abort_msg("object_map sync returned error"); |
7c673cae FG |
4233 | } |
4234 | ||
4235 | err = backend->syncfs(); | |
4236 | if (err < 0) { | |
4237 | derr << "syncfs got " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4238 | ceph_abort_msg("syncfs returned error"); |
7c673cae FG |
4239 | } |
4240 | ||
4241 | err = write_op_seq(op_fd, cp); | |
4242 | if (err < 0) { | |
4243 | derr << "Error during write_op_seq: " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4244 | ceph_abort_msg("error during write_op_seq"); |
7c673cae FG |
4245 | } |
4246 | err = ::fsync(op_fd); | |
4247 | if (err < 0) { | |
4248 | derr << "Error during fsync of op_seq: " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4249 | ceph_abort_msg("error during fsync of op_seq"); |
7c673cae FG |
4250 | } |
4251 | } | |
4252 | ||
4253 | utime_t done = ceph_clock_now(); | |
4254 | utime_t lat = done - start; | |
4255 | utime_t dur = done - startwait; | |
31f18b77 | 4256 | dout(10) << __FUNC__ << ": commit took " << lat << ", interval was " << dur << dendl; |
224ce89b WB |
4257 | utime_t max_pause_lat = logger->tget(l_filestore_sync_pause_max_lat); |
4258 | if (max_pause_lat < dur - lat) { | |
4259 | logger->tinc(l_filestore_sync_pause_max_lat, dur - lat); | |
4260 | } | |
7c673cae FG |
4261 | |
4262 | logger->inc(l_filestore_commitcycle); | |
4263 | logger->tinc(l_filestore_commitcycle_latency, lat); | |
4264 | logger->tinc(l_filestore_commitcycle_interval, dur); | |
4265 | ||
4266 | apply_manager.commit_finish(); | |
4267 | if (!m_disable_wbthrottle) { | |
4268 | wbthrottle.clear(); | |
4269 | } | |
4270 | ||
4271 | logger->set(l_filestore_committing, 0); | |
4272 | ||
4273 | // remove old snaps? | |
4274 | if (backend->can_checkpoint()) { | |
4275 | char s[NAME_MAX]; | |
4276 | while (snaps.size() > 2) { | |
4277 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)snaps.front()); | |
4278 | snaps.pop_front(); | |
4279 | dout(10) << "removing snap '" << s << "'" << dendl; | |
4280 | int r = backend->destroy_checkpoint(s); | |
4281 | if (r) { | |
4282 | int err = errno; | |
4283 | derr << "unable to destroy snap '" << s << "' got " << cpp_strerror(err) << dendl; | |
4284 | } | |
4285 | } | |
4286 | } | |
4287 | ||
31f18b77 | 4288 | dout(15) << __FUNC__ << ": committed to op_seq " << cp << dendl; |
7c673cae | 4289 | |
224ce89b WB |
4290 | if (sync_entry_timeo) { |
4291 | Mutex::Locker lock(sync_entry_timeo_lock); | |
4292 | timer.cancel_event(sync_entry_timeo); | |
4293 | } | |
7c673cae FG |
4294 | } else { |
4295 | op_tp.unpause(); | |
4296 | } | |
4297 | ||
4298 | lock.Lock(); | |
4299 | finish_contexts(cct, fin, 0); | |
4300 | fin.clear(); | |
4301 | if (!sync_waiters.empty()) { | |
31f18b77 | 4302 | dout(10) << __FUNC__ << ": more waiters, committing again" << dendl; |
7c673cae FG |
4303 | goto again; |
4304 | } | |
4305 | if (!stop && journal && journal->should_commit_now()) { | |
31f18b77 | 4306 | dout(10) << __FUNC__ << ": journal says we should commit again (probably is/was full)" << dendl; |
7c673cae FG |
4307 | goto again; |
4308 | } | |
4309 | } | |
4310 | stop = false; | |
4311 | lock.Unlock(); | |
4312 | } | |
4313 | ||
7c673cae FG |
4314 | void FileStore::do_force_sync() |
4315 | { | |
31f18b77 | 4316 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4317 | Mutex::Locker l(lock); |
4318 | force_sync = true; | |
4319 | sync_cond.Signal(); | |
4320 | } | |
4321 | ||
4322 | void FileStore::start_sync(Context *onsafe) | |
4323 | { | |
4324 | Mutex::Locker l(lock); | |
4325 | sync_waiters.push_back(onsafe); | |
4326 | sync_cond.Signal(); | |
4327 | force_sync = true; | |
31f18b77 | 4328 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4329 | } |
4330 | ||
4331 | void FileStore::sync() | |
4332 | { | |
4333 | Mutex l("FileStore::sync"); | |
4334 | Cond c; | |
4335 | bool done; | |
4336 | C_SafeCond *fin = new C_SafeCond(&l, &c, &done); | |
4337 | ||
4338 | start_sync(fin); | |
4339 | ||
4340 | l.Lock(); | |
4341 | while (!done) { | |
4342 | dout(10) << "sync waiting" << dendl; | |
4343 | c.Wait(l); | |
4344 | } | |
4345 | l.Unlock(); | |
4346 | dout(10) << "sync done" << dendl; | |
4347 | } | |
4348 | ||
4349 | void FileStore::_flush_op_queue() | |
4350 | { | |
31f18b77 | 4351 | dout(10) << __FUNC__ << ": draining op tp" << dendl; |
7c673cae | 4352 | op_wq.drain(); |
31f18b77 | 4353 | dout(10) << __FUNC__ << ": waiting for apply finisher" << dendl; |
7c673cae FG |
4354 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { |
4355 | (*it)->wait_for_empty(); | |
4356 | } | |
4357 | } | |
4358 | ||
4359 | /* | |
4360 | * flush - make every queued write readable | |
4361 | */ | |
4362 | void FileStore::flush() | |
4363 | { | |
31f18b77 | 4364 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4365 | |
4366 | if (cct->_conf->filestore_blackhole) { | |
4367 | // wait forever | |
4368 | Mutex lock("FileStore::flush::lock"); | |
4369 | Cond cond; | |
4370 | lock.Lock(); | |
4371 | while (true) | |
4372 | cond.Wait(lock); | |
4373 | ceph_abort(); | |
4374 | } | |
4375 | ||
4376 | if (m_filestore_journal_writeahead) { | |
4377 | if (journal) | |
4378 | journal->flush(); | |
31f18b77 | 4379 | dout(10) << __FUNC__ << ": draining ondisk finisher" << dendl; |
7c673cae FG |
4380 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { |
4381 | (*it)->wait_for_empty(); | |
4382 | } | |
4383 | } | |
4384 | ||
4385 | _flush_op_queue(); | |
31f18b77 | 4386 | dout(10) << __FUNC__ << ": complete" << dendl; |
7c673cae FG |
4387 | } |
4388 | ||
4389 | /* | |
4390 | * sync_and_flush - make every queued write readable AND committed to disk | |
4391 | */ | |
4392 | void FileStore::sync_and_flush() | |
4393 | { | |
31f18b77 | 4394 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4395 | |
4396 | if (m_filestore_journal_writeahead) { | |
4397 | if (journal) | |
4398 | journal->flush(); | |
4399 | _flush_op_queue(); | |
4400 | } else { | |
4401 | // includes m_filestore_journal_parallel | |
4402 | _flush_op_queue(); | |
4403 | sync(); | |
4404 | } | |
31f18b77 | 4405 | dout(10) << __FUNC__ << ": done" << dendl; |
7c673cae FG |
4406 | } |
4407 | ||
4408 | int FileStore::flush_journal() | |
4409 | { | |
31f18b77 | 4410 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4411 | sync_and_flush(); |
4412 | sync(); | |
4413 | return 0; | |
4414 | } | |
4415 | ||
4416 | int FileStore::snapshot(const string& name) | |
4417 | { | |
31f18b77 | 4418 | dout(10) << __FUNC__ << ": " << name << dendl; |
7c673cae FG |
4419 | sync_and_flush(); |
4420 | ||
4421 | if (!backend->can_checkpoint()) { | |
31f18b77 | 4422 | dout(0) << __FUNC__ << ": " << name << " failed, not supported" << dendl; |
7c673cae FG |
4423 | return -EOPNOTSUPP; |
4424 | } | |
4425 | ||
4426 | char s[NAME_MAX]; | |
4427 | snprintf(s, sizeof(s), CLUSTER_SNAP_ITEM, name.c_str()); | |
4428 | ||
11fdf7f2 | 4429 | int r = backend->create_checkpoint(s, nullptr); |
7c673cae | 4430 | if (r) { |
31f18b77 | 4431 | derr << __FUNC__ << ": " << name << " failed: " << cpp_strerror(r) << dendl; |
7c673cae FG |
4432 | } |
4433 | ||
4434 | return r; | |
4435 | } | |
4436 | ||
4437 | // ------------------------------- | |
4438 | // attributes | |
4439 | ||
4440 | int FileStore::_fgetattr(int fd, const char *name, bufferptr& bp) | |
4441 | { | |
4442 | char val[CHAIN_XATTR_MAX_BLOCK_LEN]; | |
4443 | int l = chain_fgetxattr(fd, name, val, sizeof(val)); | |
4444 | if (l >= 0) { | |
4445 | bp = buffer::create(l); | |
4446 | memcpy(bp.c_str(), val, l); | |
4447 | } else if (l == -ERANGE) { | |
4448 | l = chain_fgetxattr(fd, name, 0, 0); | |
4449 | if (l > 0) { | |
4450 | bp = buffer::create(l); | |
4451 | l = chain_fgetxattr(fd, name, bp.c_str(), l); | |
4452 | } | |
4453 | } | |
11fdf7f2 | 4454 | ceph_assert(!m_filestore_fail_eio || l != -EIO); |
7c673cae FG |
4455 | return l; |
4456 | } | |
4457 | ||
4458 | int FileStore::_fgetattrs(int fd, map<string,bufferptr>& aset) | |
4459 | { | |
4460 | // get attr list | |
4461 | char names1[100]; | |
4462 | int len = chain_flistxattr(fd, names1, sizeof(names1)-1); | |
4463 | char *names2 = 0; | |
4464 | char *name = 0; | |
4465 | if (len == -ERANGE) { | |
4466 | len = chain_flistxattr(fd, 0, 0); | |
4467 | if (len < 0) { | |
11fdf7f2 | 4468 | ceph_assert(!m_filestore_fail_eio || len != -EIO); |
7c673cae FG |
4469 | return len; |
4470 | } | |
4471 | dout(10) << " -ERANGE, len is " << len << dendl; | |
4472 | names2 = new char[len+1]; | |
4473 | len = chain_flistxattr(fd, names2, len); | |
4474 | dout(10) << " -ERANGE, got " << len << dendl; | |
4475 | if (len < 0) { | |
11fdf7f2 | 4476 | ceph_assert(!m_filestore_fail_eio || len != -EIO); |
7c673cae FG |
4477 | delete[] names2; |
4478 | return len; | |
4479 | } | |
4480 | name = names2; | |
4481 | } else if (len < 0) { | |
11fdf7f2 | 4482 | ceph_assert(!m_filestore_fail_eio || len != -EIO); |
7c673cae FG |
4483 | return len; |
4484 | } else { | |
4485 | name = names1; | |
4486 | } | |
4487 | name[len] = 0; | |
4488 | ||
4489 | char *end = name + len; | |
4490 | while (name < end) { | |
4491 | char *attrname = name; | |
4492 | if (parse_attrname(&name)) { | |
4493 | if (*name) { | |
31f18b77 | 4494 | dout(20) << __FUNC__ << ": " << fd << " getting '" << name << "'" << dendl; |
7c673cae FG |
4495 | int r = _fgetattr(fd, attrname, aset[name]); |
4496 | if (r < 0) { | |
4497 | delete[] names2; | |
4498 | return r; | |
4499 | } | |
4500 | } | |
4501 | } | |
4502 | name += strlen(name) + 1; | |
4503 | } | |
4504 | ||
4505 | delete[] names2; | |
4506 | return 0; | |
4507 | } | |
4508 | ||
4509 | int FileStore::_fsetattrs(int fd, map<string, bufferptr> &aset) | |
4510 | { | |
4511 | for (map<string, bufferptr>::iterator p = aset.begin(); | |
4512 | p != aset.end(); | |
4513 | ++p) { | |
4514 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4515 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4516 | const char *val; | |
4517 | if (p->second.length()) | |
4518 | val = p->second.c_str(); | |
4519 | else | |
4520 | val = ""; | |
4521 | // ??? Why do we skip setting all the other attrs if one fails? | |
4522 | int r = chain_fsetxattr(fd, n, val, p->second.length()); | |
4523 | if (r < 0) { | |
31f18b77 | 4524 | derr << __FUNC__ << ": chain_setxattr returned " << r << dendl; |
7c673cae FG |
4525 | return r; |
4526 | } | |
4527 | } | |
4528 | return 0; | |
4529 | } | |
4530 | ||
4531 | // debug EIO injection | |
4532 | void FileStore::inject_data_error(const ghobject_t &oid) { | |
4533 | Mutex::Locker l(read_error_lock); | |
31f18b77 | 4534 | dout(10) << __FUNC__ << ": init error on " << oid << dendl; |
7c673cae FG |
4535 | data_error_set.insert(oid); |
4536 | } | |
4537 | void FileStore::inject_mdata_error(const ghobject_t &oid) { | |
4538 | Mutex::Locker l(read_error_lock); | |
31f18b77 | 4539 | dout(10) << __FUNC__ << ": init error on " << oid << dendl; |
7c673cae FG |
4540 | mdata_error_set.insert(oid); |
4541 | } | |
224ce89b | 4542 | |
7c673cae FG |
4543 | void FileStore::debug_obj_on_delete(const ghobject_t &oid) { |
4544 | Mutex::Locker l(read_error_lock); | |
31f18b77 | 4545 | dout(10) << __FUNC__ << ": clear error on " << oid << dendl; |
7c673cae FG |
4546 | data_error_set.erase(oid); |
4547 | mdata_error_set.erase(oid); | |
4548 | } | |
4549 | bool FileStore::debug_data_eio(const ghobject_t &oid) { | |
4550 | Mutex::Locker l(read_error_lock); | |
4551 | if (data_error_set.count(oid)) { | |
31f18b77 | 4552 | dout(10) << __FUNC__ << ": inject error on " << oid << dendl; |
7c673cae FG |
4553 | return true; |
4554 | } else { | |
4555 | return false; | |
4556 | } | |
4557 | } | |
4558 | bool FileStore::debug_mdata_eio(const ghobject_t &oid) { | |
4559 | Mutex::Locker l(read_error_lock); | |
4560 | if (mdata_error_set.count(oid)) { | |
31f18b77 | 4561 | dout(10) << __FUNC__ << ": inject error on " << oid << dendl; |
7c673cae FG |
4562 | return true; |
4563 | } else { | |
4564 | return false; | |
4565 | } | |
4566 | } | |
4567 | ||
4568 | ||
4569 | // objects | |
4570 | ||
11fdf7f2 | 4571 | int FileStore::getattr(CollectionHandle& ch, const ghobject_t& oid, const char *name, bufferptr &bp) |
7c673cae | 4572 | { |
11fdf7f2 TL |
4573 | tracepoint(objectstore, getattr_enter, ch->cid.c_str()); |
4574 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 4575 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "'" << dendl; |
11fdf7f2 TL |
4576 | |
4577 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
4578 | osr->wait_for_apply(oid); | |
4579 | ||
7c673cae FG |
4580 | FDRef fd; |
4581 | int r = lfn_open(cid, oid, false, &fd); | |
4582 | if (r < 0) { | |
4583 | goto out; | |
4584 | } | |
4585 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4586 | get_attrname(name, n, CHAIN_XATTR_MAX_NAME_LEN); | |
4587 | r = _fgetattr(**fd, n, bp); | |
4588 | lfn_close(fd); | |
4589 | if (r == -ENODATA) { | |
4590 | map<string, bufferlist> got; | |
4591 | set<string> to_get; | |
4592 | to_get.insert(string(name)); | |
4593 | Index index; | |
4594 | r = get_index(cid, &index); | |
4595 | if (r < 0) { | |
31f18b77 | 4596 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4597 | goto out; |
4598 | } | |
4599 | r = object_map->get_xattrs(oid, to_get, &got); | |
4600 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4601 | dout(10) << __FUNC__ << ": get_xattrs err r =" << r << dendl; |
7c673cae FG |
4602 | goto out; |
4603 | } | |
4604 | if (got.empty()) { | |
31f18b77 | 4605 | dout(10) << __FUNC__ << ": got.size() is 0" << dendl; |
7c673cae FG |
4606 | return -ENODATA; |
4607 | } | |
4608 | bp = bufferptr(got.begin()->second.c_str(), | |
4609 | got.begin()->second.length()); | |
4610 | r = bp.length(); | |
4611 | } | |
4612 | out: | |
31f18b77 | 4613 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "' = " << r << dendl; |
11fdf7f2 | 4614 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4615 | if (cct->_conf->filestore_debug_inject_read_err && |
4616 | debug_mdata_eio(oid)) { | |
4617 | return -EIO; | |
4618 | } else { | |
4619 | tracepoint(objectstore, getattr_exit, r); | |
4620 | return r < 0 ? r : 0; | |
4621 | } | |
4622 | } | |
4623 | ||
11fdf7f2 | 4624 | int FileStore::getattrs(CollectionHandle& ch, const ghobject_t& oid, map<string,bufferptr>& aset) |
7c673cae | 4625 | { |
11fdf7f2 TL |
4626 | tracepoint(objectstore, getattrs_enter, ch->cid.c_str()); |
4627 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae FG |
4628 | set<string> omap_attrs; |
4629 | map<string, bufferlist> omap_aset; | |
4630 | Index index; | |
31f18b77 | 4631 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
11fdf7f2 TL |
4632 | |
4633 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
4634 | osr->wait_for_apply(oid); | |
4635 | ||
7c673cae FG |
4636 | FDRef fd; |
4637 | bool spill_out = true; | |
4638 | char buf[2]; | |
4639 | ||
4640 | int r = lfn_open(cid, oid, false, &fd); | |
4641 | if (r < 0) { | |
4642 | goto out; | |
4643 | } | |
4644 | ||
4645 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4646 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) | |
4647 | spill_out = false; | |
4648 | ||
4649 | r = _fgetattrs(**fd, aset); | |
4650 | lfn_close(fd); | |
4651 | fd = FDRef(); // defensive | |
4652 | if (r < 0) { | |
4653 | goto out; | |
4654 | } | |
4655 | ||
4656 | if (!spill_out) { | |
31f18b77 | 4657 | dout(10) << __FUNC__ << ": no xattr exists in object_map r = " << r << dendl; |
7c673cae FG |
4658 | goto out; |
4659 | } | |
4660 | ||
4661 | r = get_index(cid, &index); | |
4662 | if (r < 0) { | |
31f18b77 | 4663 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4664 | goto out; |
4665 | } | |
4666 | { | |
4667 | r = object_map->get_all_xattrs(oid, &omap_attrs); | |
4668 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4669 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4670 | goto out; |
4671 | } | |
4672 | ||
4673 | r = object_map->get_xattrs(oid, omap_attrs, &omap_aset); | |
4674 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4675 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4676 | goto out; |
4677 | } | |
4678 | if (r == -ENOENT) | |
4679 | r = 0; | |
4680 | } | |
11fdf7f2 | 4681 | ceph_assert(omap_attrs.size() == omap_aset.size()); |
7c673cae FG |
4682 | for (map<string, bufferlist>::iterator i = omap_aset.begin(); |
4683 | i != omap_aset.end(); | |
4684 | ++i) { | |
4685 | string key(i->first); | |
4686 | aset.insert(make_pair(key, | |
4687 | bufferptr(i->second.c_str(), i->second.length()))); | |
4688 | } | |
4689 | out: | |
31f18b77 | 4690 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
11fdf7f2 | 4691 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4692 | |
4693 | if (cct->_conf->filestore_debug_inject_read_err && | |
4694 | debug_mdata_eio(oid)) { | |
4695 | return -EIO; | |
4696 | } else { | |
4697 | tracepoint(objectstore, getattrs_exit, r); | |
4698 | return r; | |
4699 | } | |
4700 | } | |
4701 | ||
4702 | int FileStore::_setattrs(const coll_t& cid, const ghobject_t& oid, map<string,bufferptr>& aset, | |
4703 | const SequencerPosition &spos) | |
4704 | { | |
4705 | map<string, bufferlist> omap_set; | |
4706 | set<string> omap_remove; | |
4707 | map<string, bufferptr> inline_set; | |
4708 | map<string, bufferptr> inline_to_set; | |
4709 | FDRef fd; | |
4710 | int spill_out = -1; | |
4711 | bool incomplete_inline = false; | |
4712 | ||
4713 | int r = lfn_open(cid, oid, false, &fd); | |
4714 | if (r < 0) { | |
4715 | goto out; | |
4716 | } | |
4717 | ||
4718 | char buf[2]; | |
4719 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4720 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) | |
4721 | spill_out = 0; | |
4722 | else | |
4723 | spill_out = 1; | |
4724 | ||
4725 | r = _fgetattrs(**fd, inline_set); | |
4726 | incomplete_inline = (r == -E2BIG); | |
11fdf7f2 | 4727 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
31f18b77 | 4728 | dout(15) << __FUNC__ << ": " << cid << "/" << oid |
7c673cae FG |
4729 | << (incomplete_inline ? " (incomplete_inline, forcing omap)" : "") |
4730 | << dendl; | |
4731 | ||
4732 | for (map<string,bufferptr>::iterator p = aset.begin(); | |
4733 | p != aset.end(); | |
4734 | ++p) { | |
4735 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4736 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4737 | ||
4738 | if (incomplete_inline) { | |
4739 | chain_fremovexattr(**fd, n); // ignore any error | |
4740 | omap_set[p->first].push_back(p->second); | |
4741 | continue; | |
4742 | } | |
4743 | ||
4744 | if (p->second.length() > m_filestore_max_inline_xattr_size) { | |
4745 | if (inline_set.count(p->first)) { | |
4746 | inline_set.erase(p->first); | |
4747 | r = chain_fremovexattr(**fd, n); | |
4748 | if (r < 0) | |
4749 | goto out_close; | |
4750 | } | |
4751 | omap_set[p->first].push_back(p->second); | |
4752 | continue; | |
4753 | } | |
4754 | ||
4755 | if (!inline_set.count(p->first) && | |
4756 | inline_set.size() >= m_filestore_max_inline_xattrs) { | |
4757 | omap_set[p->first].push_back(p->second); | |
4758 | continue; | |
4759 | } | |
4760 | omap_remove.insert(p->first); | |
4761 | inline_set.insert(*p); | |
4762 | ||
4763 | inline_to_set.insert(*p); | |
4764 | } | |
4765 | ||
4766 | if (spill_out != 1 && !omap_set.empty()) { | |
4767 | chain_fsetxattr(**fd, XATTR_SPILL_OUT_NAME, XATTR_SPILL_OUT, | |
4768 | sizeof(XATTR_SPILL_OUT)); | |
4769 | } | |
4770 | ||
4771 | r = _fsetattrs(**fd, inline_to_set); | |
4772 | if (r < 0) | |
4773 | goto out_close; | |
4774 | ||
4775 | if (spill_out && !omap_remove.empty()) { | |
4776 | r = object_map->remove_xattrs(oid, omap_remove, &spos); | |
4777 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4778 | dout(10) << __FUNC__ << ": could not remove_xattrs r = " << r << dendl; |
11fdf7f2 | 4779 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4780 | goto out_close; |
4781 | } else { | |
4782 | r = 0; // don't confuse the debug output | |
4783 | } | |
4784 | } | |
4785 | ||
4786 | if (!omap_set.empty()) { | |
4787 | r = object_map->set_xattrs(oid, omap_set, &spos); | |
4788 | if (r < 0) { | |
31f18b77 | 4789 | dout(10) << __FUNC__ << ": could not set_xattrs r = " << r << dendl; |
11fdf7f2 | 4790 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4791 | goto out_close; |
4792 | } | |
4793 | } | |
4794 | out_close: | |
4795 | lfn_close(fd); | |
4796 | out: | |
31f18b77 | 4797 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4798 | return r; |
4799 | } | |
4800 | ||
4801 | ||
4802 | int FileStore::_rmattr(const coll_t& cid, const ghobject_t& oid, const char *name, | |
4803 | const SequencerPosition &spos) | |
4804 | { | |
31f18b77 | 4805 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "'" << dendl; |
7c673cae FG |
4806 | FDRef fd; |
4807 | bool spill_out = true; | |
4808 | ||
4809 | int r = lfn_open(cid, oid, false, &fd); | |
4810 | if (r < 0) { | |
4811 | goto out; | |
4812 | } | |
4813 | ||
4814 | char buf[2]; | |
4815 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4816 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
4817 | spill_out = false; | |
4818 | } | |
4819 | ||
4820 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4821 | get_attrname(name, n, CHAIN_XATTR_MAX_NAME_LEN); | |
4822 | r = chain_fremovexattr(**fd, n); | |
4823 | if (r == -ENODATA && spill_out) { | |
4824 | Index index; | |
4825 | r = get_index(cid, &index); | |
4826 | if (r < 0) { | |
31f18b77 | 4827 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4828 | goto out_close; |
4829 | } | |
4830 | set<string> to_remove; | |
4831 | to_remove.insert(string(name)); | |
4832 | r = object_map->remove_xattrs(oid, to_remove, &spos); | |
4833 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4834 | dout(10) << __FUNC__ << ": could not remove_xattrs index r = " << r << dendl; |
11fdf7f2 | 4835 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4836 | goto out_close; |
4837 | } | |
4838 | } | |
4839 | out_close: | |
4840 | lfn_close(fd); | |
4841 | out: | |
31f18b77 | 4842 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "' = " << r << dendl; |
7c673cae FG |
4843 | return r; |
4844 | } | |
4845 | ||
4846 | int FileStore::_rmattrs(const coll_t& cid, const ghobject_t& oid, | |
4847 | const SequencerPosition &spos) | |
4848 | { | |
31f18b77 | 4849 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
4850 | |
4851 | map<string,bufferptr> aset; | |
4852 | FDRef fd; | |
4853 | set<string> omap_attrs; | |
4854 | Index index; | |
4855 | bool spill_out = true; | |
4856 | ||
4857 | int r = lfn_open(cid, oid, false, &fd); | |
4858 | if (r < 0) { | |
4859 | goto out; | |
4860 | } | |
4861 | ||
4862 | char buf[2]; | |
4863 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4864 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
4865 | spill_out = false; | |
4866 | } | |
4867 | ||
4868 | r = _fgetattrs(**fd, aset); | |
4869 | if (r >= 0) { | |
4870 | for (map<string,bufferptr>::iterator p = aset.begin(); p != aset.end(); ++p) { | |
4871 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4872 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4873 | r = chain_fremovexattr(**fd, n); | |
4874 | if (r < 0) { | |
31f18b77 | 4875 | dout(10) << __FUNC__ << ": could not remove xattr r = " << r << dendl; |
7c673cae FG |
4876 | goto out_close; |
4877 | } | |
4878 | } | |
4879 | } | |
4880 | ||
4881 | if (!spill_out) { | |
31f18b77 | 4882 | dout(10) << __FUNC__ << ": no xattr exists in object_map r = " << r << dendl; |
7c673cae FG |
4883 | goto out_close; |
4884 | } | |
4885 | ||
4886 | r = get_index(cid, &index); | |
4887 | if (r < 0) { | |
31f18b77 | 4888 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4889 | goto out_close; |
4890 | } | |
4891 | { | |
4892 | r = object_map->get_all_xattrs(oid, &omap_attrs); | |
4893 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4894 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
11fdf7f2 | 4895 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4896 | goto out_close; |
4897 | } | |
4898 | r = object_map->remove_xattrs(oid, omap_attrs, &spos); | |
4899 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4900 | dout(10) << __FUNC__ << ": could not remove omap_attrs r = " << r << dendl; |
7c673cae FG |
4901 | goto out_close; |
4902 | } | |
4903 | if (r == -ENOENT) | |
4904 | r = 0; | |
4905 | chain_fsetxattr(**fd, XATTR_SPILL_OUT_NAME, XATTR_NO_SPILL_OUT, | |
4906 | sizeof(XATTR_NO_SPILL_OUT)); | |
4907 | } | |
4908 | ||
4909 | out_close: | |
4910 | lfn_close(fd); | |
4911 | out: | |
31f18b77 | 4912 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4913 | return r; |
4914 | } | |
4915 | ||
4916 | ||
4917 | ||
4918 | ||
4919 | int FileStore::_collection_remove_recursive(const coll_t &cid, | |
4920 | const SequencerPosition &spos) | |
4921 | { | |
4922 | struct stat st; | |
4923 | int r = collection_stat(cid, &st); | |
4924 | if (r < 0) { | |
4925 | if (r == -ENOENT) | |
4926 | return 0; | |
4927 | return r; | |
4928 | } | |
4929 | ||
4930 | vector<ghobject_t> objects; | |
4931 | ghobject_t max; | |
4932 | while (!max.is_max()) { | |
4933 | r = collection_list(cid, max, ghobject_t::get_max(), | |
4934 | 300, &objects, &max); | |
4935 | if (r < 0) | |
4936 | return r; | |
4937 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
4938 | i != objects.end(); | |
4939 | ++i) { | |
11fdf7f2 | 4940 | ceph_assert(_check_replay_guard(cid, *i, spos)); |
7c673cae FG |
4941 | r = _remove(cid, *i, spos); |
4942 | if (r < 0) | |
4943 | return r; | |
4944 | } | |
4945 | objects.clear(); | |
4946 | } | |
4947 | return _destroy_collection(cid); | |
4948 | } | |
4949 | ||
4950 | // -------------------------- | |
4951 | // collections | |
4952 | ||
4953 | int FileStore::list_collections(vector<coll_t>& ls) | |
4954 | { | |
4955 | return list_collections(ls, false); | |
4956 | } | |
4957 | ||
4958 | int FileStore::list_collections(vector<coll_t>& ls, bool include_temp) | |
4959 | { | |
4960 | tracepoint(objectstore, list_collections_enter); | |
31f18b77 | 4961 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4962 | |
4963 | char fn[PATH_MAX]; | |
4964 | snprintf(fn, sizeof(fn), "%s/current", basedir.c_str()); | |
4965 | ||
4966 | int r = 0; | |
4967 | DIR *dir = ::opendir(fn); | |
4968 | if (!dir) { | |
4969 | r = -errno; | |
4970 | derr << "tried opening directory " << fn << ": " << cpp_strerror(-r) << dendl; | |
11fdf7f2 | 4971 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4972 | return r; |
4973 | } | |
4974 | ||
4975 | struct dirent *de = nullptr; | |
4976 | while ((de = ::readdir(dir))) { | |
4977 | if (de->d_type == DT_UNKNOWN) { | |
4978 | // d_type not supported (non-ext[234], btrfs), must stat | |
4979 | struct stat sb; | |
4980 | char filename[PATH_MAX]; | |
11fdf7f2 TL |
4981 | if (int n = snprintf(filename, sizeof(filename), "%s/%s", fn, de->d_name); |
4982 | n >= static_cast<int>(sizeof(filename))) { | |
4983 | derr << __func__ << " path length overrun: " << n << dendl; | |
4984 | ceph_abort(); | |
4985 | } | |
7c673cae FG |
4986 | |
4987 | r = ::stat(filename, &sb); | |
4988 | if (r < 0) { | |
4989 | r = -errno; | |
4990 | derr << "stat on " << filename << ": " << cpp_strerror(-r) << dendl; | |
11fdf7f2 | 4991 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4992 | break; |
4993 | } | |
4994 | if (!S_ISDIR(sb.st_mode)) { | |
4995 | continue; | |
4996 | } | |
4997 | } else if (de->d_type != DT_DIR) { | |
4998 | continue; | |
4999 | } | |
5000 | if (strcmp(de->d_name, "omap") == 0) { | |
5001 | continue; | |
5002 | } | |
5003 | if (de->d_name[0] == '.' && | |
5004 | (de->d_name[1] == '\0' || | |
5005 | (de->d_name[1] == '.' && | |
5006 | de->d_name[2] == '\0'))) | |
5007 | continue; | |
5008 | coll_t cid; | |
5009 | if (!cid.parse(de->d_name)) { | |
5010 | derr << "ignoring invalid collection '" << de->d_name << "'" << dendl; | |
5011 | continue; | |
5012 | } | |
5013 | if (!cid.is_temp() || include_temp) | |
5014 | ls.push_back(cid); | |
5015 | } | |
5016 | ||
5017 | if (r > 0) { | |
5018 | derr << "trying readdir " << fn << ": " << cpp_strerror(r) << dendl; | |
5019 | r = -r; | |
5020 | } | |
5021 | ||
5022 | ::closedir(dir); | |
11fdf7f2 | 5023 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5024 | tracepoint(objectstore, list_collections_exit, r); |
5025 | return r; | |
5026 | } | |
5027 | ||
5028 | int FileStore::collection_stat(const coll_t& c, struct stat *st) | |
5029 | { | |
5030 | tracepoint(objectstore, collection_stat_enter, c.c_str()); | |
5031 | char fn[PATH_MAX]; | |
5032 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5033 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5034 | int r = ::stat(fn, st); |
5035 | if (r < 0) | |
5036 | r = -errno; | |
31f18b77 | 5037 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
11fdf7f2 | 5038 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5039 | tracepoint(objectstore, collection_stat_exit, r); |
5040 | return r; | |
5041 | } | |
5042 | ||
5043 | bool FileStore::collection_exists(const coll_t& c) | |
5044 | { | |
5045 | tracepoint(objectstore, collection_exists_enter, c.c_str()); | |
5046 | struct stat st; | |
5047 | bool ret = collection_stat(c, &st) == 0; | |
5048 | tracepoint(objectstore, collection_exists_exit, ret); | |
5049 | return ret; | |
5050 | } | |
5051 | ||
11fdf7f2 | 5052 | int FileStore::collection_empty(const coll_t& cid, bool *empty) |
7c673cae | 5053 | { |
11fdf7f2 TL |
5054 | tracepoint(objectstore, collection_empty_enter, cid.c_str()); |
5055 | dout(15) << __FUNC__ << ": " << cid << dendl; | |
7c673cae | 5056 | Index index; |
11fdf7f2 | 5057 | int r = get_index(cid, &index); |
7c673cae | 5058 | if (r < 0) { |
31f18b77 | 5059 | derr << __FUNC__ << ": get_index returned: " << cpp_strerror(r) |
7c673cae FG |
5060 | << dendl; |
5061 | return r; | |
5062 | } | |
5063 | ||
11fdf7f2 | 5064 | ceph_assert(index.index); |
7c673cae FG |
5065 | RWLock::RLocker l((index.index)->access_lock); |
5066 | ||
5067 | vector<ghobject_t> ls; | |
5068 | r = index->collection_list_partial(ghobject_t(), ghobject_t::get_max(), | |
11fdf7f2 | 5069 | 1, &ls, nullptr); |
7c673cae | 5070 | if (r < 0) { |
31f18b77 | 5071 | derr << __FUNC__ << ": collection_list_partial returned: " |
7c673cae | 5072 | << cpp_strerror(r) << dendl; |
11fdf7f2 | 5073 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5074 | return r; |
5075 | } | |
5076 | *empty = ls.empty(); | |
5077 | tracepoint(objectstore, collection_empty_exit, *empty); | |
5078 | return 0; | |
5079 | } | |
5080 | ||
5081 | int FileStore::_collection_set_bits(const coll_t& c, int bits) | |
5082 | { | |
5083 | char fn[PATH_MAX]; | |
5084 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5085 | dout(10) << __FUNC__ << ": " << fn << " " << bits << dendl; |
7c673cae FG |
5086 | char n[PATH_MAX]; |
5087 | int r; | |
5088 | int32_t v = bits; | |
91327a77 | 5089 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
5090 | if (fd < 0) { |
5091 | r = -errno; | |
5092 | goto out; | |
5093 | } | |
5094 | get_attrname("bits", n, PATH_MAX); | |
5095 | r = chain_fsetxattr(fd, n, (char*)&v, sizeof(v)); | |
5096 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
5097 | out: | |
31f18b77 | 5098 | dout(10) << __FUNC__ << ": " << fn << " " << bits << " = " << r << dendl; |
7c673cae FG |
5099 | return r; |
5100 | } | |
5101 | ||
11fdf7f2 | 5102 | int FileStore::collection_bits(CollectionHandle& ch) |
7c673cae FG |
5103 | { |
5104 | char fn[PATH_MAX]; | |
11fdf7f2 | 5105 | get_cdir(ch->cid, fn, sizeof(fn)); |
31f18b77 | 5106 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5107 | int r; |
5108 | char n[PATH_MAX]; | |
5109 | int32_t bits; | |
91327a77 | 5110 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
5111 | if (fd < 0) { |
5112 | bits = r = -errno; | |
5113 | goto out; | |
5114 | } | |
5115 | get_attrname("bits", n, PATH_MAX); | |
5116 | r = chain_fgetxattr(fd, n, (char*)&bits, sizeof(bits)); | |
5117 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
5118 | if (r < 0) { | |
5119 | bits = r; | |
5120 | goto out; | |
5121 | } | |
5122 | out: | |
31f18b77 | 5123 | dout(10) << __FUNC__ << ": " << fn << " = " << bits << dendl; |
7c673cae FG |
5124 | return bits; |
5125 | } | |
5126 | ||
5127 | int FileStore::collection_list(const coll_t& c, | |
5128 | const ghobject_t& orig_start, | |
5129 | const ghobject_t& end, | |
5130 | int max, | |
5131 | vector<ghobject_t> *ls, ghobject_t *next) | |
5132 | { | |
5133 | ghobject_t start = orig_start; | |
5134 | if (start.is_max()) | |
5135 | return 0; | |
5136 | ||
5137 | ghobject_t temp_next; | |
5138 | if (!next) | |
5139 | next = &temp_next; | |
5140 | // figure out the pool id. we need this in order to generate a | |
5141 | // meaningful 'next' value. | |
5142 | int64_t pool = -1; | |
5143 | shard_id_t shard; | |
5144 | { | |
5145 | spg_t pgid; | |
5146 | if (c.is_temp(&pgid)) { | |
5147 | pool = -2 - pgid.pool(); | |
5148 | shard = pgid.shard; | |
5149 | } else if (c.is_pg(&pgid)) { | |
5150 | pool = pgid.pool(); | |
5151 | shard = pgid.shard; | |
5152 | } else if (c.is_meta()) { | |
5153 | pool = -1; | |
5154 | shard = shard_id_t::NO_SHARD; | |
5155 | } else { | |
5156 | // hrm, the caller is test code! we should get kill it off. for now, | |
5157 | // tolerate it. | |
5158 | pool = 0; | |
5159 | shard = shard_id_t::NO_SHARD; | |
5160 | } | |
31f18b77 | 5161 | dout(20) << __FUNC__ << ": pool is " << pool << " shard is " << shard |
7c673cae FG |
5162 | << " pgid " << pgid << dendl; |
5163 | } | |
5164 | ghobject_t sep; | |
5165 | sep.hobj.pool = -1; | |
5166 | sep.set_shard(shard); | |
5167 | if (!c.is_temp() && !c.is_meta()) { | |
5168 | if (start < sep) { | |
31f18b77 | 5169 | dout(10) << __FUNC__ << ": first checking temp pool" << dendl; |
7c673cae FG |
5170 | coll_t temp = c.get_temp(); |
5171 | int r = collection_list(temp, start, end, max, ls, next); | |
5172 | if (r < 0) | |
5173 | return r; | |
5174 | if (*next != ghobject_t::get_max()) | |
5175 | return r; | |
5176 | start = sep; | |
31f18b77 | 5177 | dout(10) << __FUNC__ << ": fall through to non-temp collection, start " |
7c673cae FG |
5178 | << start << dendl; |
5179 | } else { | |
31f18b77 | 5180 | dout(10) << __FUNC__ << ": start " << start << " >= sep " << sep << dendl; |
7c673cae FG |
5181 | } |
5182 | } | |
5183 | ||
5184 | Index index; | |
5185 | int r = get_index(c, &index); | |
5186 | if (r < 0) | |
5187 | return r; | |
5188 | ||
11fdf7f2 | 5189 | ceph_assert(index.index); |
7c673cae FG |
5190 | RWLock::RLocker l((index.index)->access_lock); |
5191 | ||
5192 | r = index->collection_list_partial(start, end, max, ls, next); | |
5193 | ||
5194 | if (r < 0) { | |
11fdf7f2 | 5195 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5196 | return r; |
5197 | } | |
5198 | dout(20) << "objects: " << *ls << dendl; | |
5199 | ||
5200 | // HashIndex doesn't know the pool when constructing a 'next' value | |
11fdf7f2 | 5201 | if (!next->is_max()) { |
7c673cae FG |
5202 | next->hobj.pool = pool; |
5203 | next->set_shard(shard); | |
5204 | dout(20) << " next " << *next << dendl; | |
5205 | } | |
5206 | ||
5207 | return 0; | |
5208 | } | |
5209 | ||
11fdf7f2 | 5210 | int FileStore::omap_get(CollectionHandle& ch, const ghobject_t &hoid, |
7c673cae FG |
5211 | bufferlist *header, |
5212 | map<string, bufferlist> *out) | |
5213 | { | |
11fdf7f2 TL |
5214 | tracepoint(objectstore, omap_get_enter, ch->cid.c_str()); |
5215 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5216 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5217 | |
5218 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5219 | osr->wait_for_apply(hoid); | |
5220 | ||
7c673cae FG |
5221 | Index index; |
5222 | int r = get_index(c, &index); | |
5223 | if (r < 0) | |
5224 | return r; | |
5225 | { | |
11fdf7f2 | 5226 | ceph_assert(index.index); |
7c673cae FG |
5227 | RWLock::RLocker l((index.index)->access_lock); |
5228 | r = lfn_find(hoid, index); | |
5229 | if (r < 0) | |
5230 | return r; | |
5231 | } | |
5232 | r = object_map->get(hoid, header, out); | |
5233 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5234 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5235 | return r; |
5236 | } | |
5237 | tracepoint(objectstore, omap_get_exit, 0); | |
5238 | return 0; | |
5239 | } | |
5240 | ||
5241 | int FileStore::omap_get_header( | |
11fdf7f2 | 5242 | CollectionHandle& ch, |
7c673cae FG |
5243 | const ghobject_t &hoid, |
5244 | bufferlist *bl, | |
5245 | bool allow_eio) | |
5246 | { | |
11fdf7f2 TL |
5247 | tracepoint(objectstore, omap_get_header_enter, ch->cid.c_str()); |
5248 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5249 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5250 | |
5251 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5252 | osr->wait_for_apply(hoid); | |
5253 | ||
7c673cae FG |
5254 | Index index; |
5255 | int r = get_index(c, &index); | |
5256 | if (r < 0) | |
5257 | return r; | |
5258 | { | |
11fdf7f2 | 5259 | ceph_assert(index.index); |
7c673cae FG |
5260 | RWLock::RLocker l((index.index)->access_lock); |
5261 | r = lfn_find(hoid, index); | |
5262 | if (r < 0) | |
5263 | return r; | |
5264 | } | |
5265 | r = object_map->get_header(hoid, bl); | |
5266 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5267 | ceph_assert(allow_eio || !m_filestore_fail_eio || r != -EIO); |
7c673cae FG |
5268 | return r; |
5269 | } | |
5270 | tracepoint(objectstore, omap_get_header_exit, 0); | |
5271 | return 0; | |
5272 | } | |
5273 | ||
11fdf7f2 | 5274 | int FileStore::omap_get_keys(CollectionHandle& ch, const ghobject_t &hoid, set<string> *keys) |
7c673cae | 5275 | { |
11fdf7f2 TL |
5276 | tracepoint(objectstore, omap_get_keys_enter, ch->cid.c_str()); |
5277 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5278 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5279 | |
5280 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5281 | osr->wait_for_apply(hoid); | |
5282 | ||
7c673cae FG |
5283 | Index index; |
5284 | int r = get_index(c, &index); | |
5285 | if (r < 0) | |
5286 | return r; | |
5287 | { | |
11fdf7f2 | 5288 | ceph_assert(index.index); |
7c673cae FG |
5289 | RWLock::RLocker l((index.index)->access_lock); |
5290 | r = lfn_find(hoid, index); | |
5291 | if (r < 0) | |
5292 | return r; | |
5293 | } | |
5294 | r = object_map->get_keys(hoid, keys); | |
5295 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5296 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5297 | return r; |
5298 | } | |
5299 | tracepoint(objectstore, omap_get_keys_exit, 0); | |
5300 | return 0; | |
5301 | } | |
5302 | ||
11fdf7f2 | 5303 | int FileStore::omap_get_values(CollectionHandle& ch, const ghobject_t &hoid, |
7c673cae FG |
5304 | const set<string> &keys, |
5305 | map<string, bufferlist> *out) | |
5306 | { | |
11fdf7f2 TL |
5307 | tracepoint(objectstore, omap_get_values_enter, ch->cid.c_str()); |
5308 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5309 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5310 | |
5311 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5312 | osr->wait_for_apply(hoid); | |
5313 | ||
7c673cae FG |
5314 | Index index; |
5315 | const char *where = "()"; | |
5316 | int r = get_index(c, &index); | |
5317 | if (r < 0) { | |
5318 | where = " (get_index)"; | |
5319 | goto out; | |
5320 | } | |
5321 | { | |
11fdf7f2 | 5322 | ceph_assert(index.index); |
7c673cae FG |
5323 | RWLock::RLocker l((index.index)->access_lock); |
5324 | r = lfn_find(hoid, index); | |
5325 | if (r < 0) { | |
5326 | where = " (lfn_find)"; | |
5327 | goto out; | |
5328 | } | |
5329 | } | |
5330 | r = object_map->get_values(hoid, keys, out); | |
5331 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5332 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5333 | where = " (get_values)"; |
5334 | goto out; | |
5335 | } | |
5336 | r = 0; | |
5337 | out: | |
5338 | tracepoint(objectstore, omap_get_values_exit, r); | |
31f18b77 | 5339 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << " = " << r |
7c673cae FG |
5340 | << where << dendl; |
5341 | return r; | |
5342 | } | |
5343 | ||
11fdf7f2 | 5344 | int FileStore::omap_check_keys(CollectionHandle& ch, const ghobject_t &hoid, |
7c673cae FG |
5345 | const set<string> &keys, |
5346 | set<string> *out) | |
5347 | { | |
11fdf7f2 TL |
5348 | tracepoint(objectstore, omap_check_keys_enter, ch->cid.c_str()); |
5349 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5350 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae | 5351 | |
11fdf7f2 TL |
5352 | auto osr = static_cast<OpSequencer*>(ch.get()); |
5353 | osr->wait_for_apply(hoid); | |
5354 | ||
7c673cae FG |
5355 | Index index; |
5356 | int r = get_index(c, &index); | |
5357 | if (r < 0) | |
5358 | return r; | |
5359 | { | |
11fdf7f2 | 5360 | ceph_assert(index.index); |
7c673cae FG |
5361 | RWLock::RLocker l((index.index)->access_lock); |
5362 | r = lfn_find(hoid, index); | |
5363 | if (r < 0) | |
5364 | return r; | |
5365 | } | |
5366 | r = object_map->check_keys(hoid, keys, out); | |
5367 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5368 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5369 | return r; |
5370 | } | |
5371 | tracepoint(objectstore, omap_check_keys_exit, 0); | |
5372 | return 0; | |
5373 | } | |
5374 | ||
11fdf7f2 TL |
5375 | ObjectMap::ObjectMapIterator FileStore::get_omap_iterator( |
5376 | CollectionHandle& ch, | |
5377 | const ghobject_t &oid) | |
5378 | { | |
5379 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5380 | osr->wait_for_apply(oid); | |
5381 | return get_omap_iterator(ch->cid, oid); | |
5382 | } | |
5383 | ||
7c673cae FG |
5384 | ObjectMap::ObjectMapIterator FileStore::get_omap_iterator(const coll_t& _c, |
5385 | const ghobject_t &hoid) | |
5386 | { | |
5387 | tracepoint(objectstore, get_omap_iterator, _c.c_str()); | |
5388 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5389 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5390 | Index index; |
5391 | int r = get_index(c, &index); | |
5392 | if (r < 0) { | |
31f18b77 | 5393 | dout(10) << __FUNC__ << ": " << c << "/" << hoid << " = 0 " |
7c673cae FG |
5394 | << "(get_index failed with " << cpp_strerror(r) << ")" << dendl; |
5395 | return ObjectMap::ObjectMapIterator(); | |
5396 | } | |
5397 | { | |
11fdf7f2 | 5398 | ceph_assert(index.index); |
7c673cae FG |
5399 | RWLock::RLocker l((index.index)->access_lock); |
5400 | r = lfn_find(hoid, index); | |
5401 | if (r < 0) { | |
31f18b77 | 5402 | dout(10) << __FUNC__ << ": " << c << "/" << hoid << " = 0 " |
7c673cae FG |
5403 | << "(lfn_find failed with " << cpp_strerror(r) << ")" << dendl; |
5404 | return ObjectMap::ObjectMapIterator(); | |
5405 | } | |
5406 | } | |
5407 | return object_map->get_iterator(hoid); | |
5408 | } | |
5409 | ||
5410 | int FileStore::_collection_hint_expected_num_objs(const coll_t& c, uint32_t pg_num, | |
5411 | uint64_t expected_num_objs, | |
5412 | const SequencerPosition &spos) | |
5413 | { | |
31f18b77 | 5414 | dout(15) << __FUNC__ << ": collection: " << c << " pg number: " |
7c673cae FG |
5415 | << pg_num << " expected number of objects: " << expected_num_objs << dendl; |
5416 | ||
5417 | bool empty; | |
5418 | int ret = collection_empty(c, &empty); | |
5419 | if (ret < 0) | |
5420 | return ret; | |
5421 | if (!empty && !replaying) { | |
5422 | dout(0) << "Failed to give an expected number of objects hint to collection : " | |
5423 | << c << ", only empty collection can take such type of hint. " << dendl; | |
5424 | return 0; | |
5425 | } | |
5426 | ||
5427 | Index index; | |
5428 | ret = get_index(c, &index); | |
5429 | if (ret < 0) | |
5430 | return ret; | |
5431 | // Pre-hash the collection | |
5432 | ret = index->pre_hash_collection(pg_num, expected_num_objs); | |
5433 | dout(10) << "pre_hash_collection " << c << " = " << ret << dendl; | |
5434 | if (ret < 0) | |
5435 | return ret; | |
5436 | _set_replay_guard(c, spos); | |
5437 | ||
5438 | return 0; | |
5439 | } | |
5440 | ||
5441 | int FileStore::_create_collection( | |
5442 | const coll_t& c, | |
5443 | int bits, | |
5444 | const SequencerPosition &spos) | |
5445 | { | |
5446 | char fn[PATH_MAX]; | |
5447 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5448 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5449 | int r = ::mkdir(fn, 0755); |
5450 | if (r < 0) | |
5451 | r = -errno; | |
5452 | if (r == -EEXIST && replaying) | |
5453 | r = 0; | |
31f18b77 | 5454 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
5455 | |
5456 | if (r < 0) | |
5457 | return r; | |
5458 | r = init_index(c); | |
5459 | if (r < 0) | |
5460 | return r; | |
5461 | r = _collection_set_bits(c, bits); | |
5462 | if (r < 0) | |
5463 | return r; | |
5464 | // create parallel temp collection, too | |
5465 | if (!c.is_meta() && !c.is_temp()) { | |
5466 | coll_t temp = c.get_temp(); | |
5467 | r = _create_collection(temp, 0, spos); | |
5468 | if (r < 0) | |
5469 | return r; | |
5470 | } | |
5471 | ||
5472 | _set_replay_guard(c, spos); | |
5473 | return 0; | |
5474 | } | |
5475 | ||
5476 | int FileStore::_destroy_collection(const coll_t& c) | |
5477 | { | |
5478 | int r = 0; | |
5479 | char fn[PATH_MAX]; | |
5480 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5481 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5482 | { |
5483 | Index from; | |
5484 | r = get_index(c, &from); | |
5485 | if (r < 0) | |
5486 | goto out; | |
11fdf7f2 | 5487 | ceph_assert(from.index); |
7c673cae FG |
5488 | RWLock::WLocker l((from.index)->access_lock); |
5489 | ||
5490 | r = from->prep_delete(); | |
5491 | if (r < 0) | |
5492 | goto out; | |
5493 | } | |
5494 | r = ::rmdir(fn); | |
5495 | if (r < 0) { | |
5496 | r = -errno; | |
5497 | goto out; | |
5498 | } | |
5499 | ||
5500 | out: | |
5501 | // destroy parallel temp collection, too | |
5502 | if (!c.is_meta() && !c.is_temp()) { | |
5503 | coll_t temp = c.get_temp(); | |
5504 | int r2 = _destroy_collection(temp); | |
5505 | if (r2 < 0) { | |
5506 | r = r2; | |
5507 | goto out_final; | |
5508 | } | |
5509 | } | |
5510 | ||
5511 | out_final: | |
31f18b77 | 5512 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
5513 | return r; |
5514 | } | |
5515 | ||
5516 | ||
5517 | int FileStore::_collection_add(const coll_t& c, const coll_t& oldcid, const ghobject_t& o, | |
5518 | const SequencerPosition& spos) | |
5519 | { | |
31f18b77 | 5520 | dout(15) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << o << dendl; |
7c673cae FG |
5521 | |
5522 | int dstcmp = _check_replay_guard(c, o, spos); | |
5523 | if (dstcmp < 0) | |
5524 | return 0; | |
5525 | ||
5526 | // check the src name too; it might have a newer guard, and we don't | |
5527 | // want to clobber it | |
5528 | int srccmp = _check_replay_guard(oldcid, o, spos); | |
5529 | if (srccmp < 0) | |
5530 | return 0; | |
5531 | ||
5532 | // open guard on object so we don't any previous operations on the | |
5533 | // new name that will modify the source inode. | |
5534 | FDRef fd; | |
5535 | int r = lfn_open(oldcid, o, 0, &fd); | |
5536 | if (r < 0) { | |
5537 | // the source collection/object does not exist. If we are replaying, we | |
5538 | // should be safe, so just return 0 and move on. | |
11fdf7f2 | 5539 | ceph_assert(replaying); |
31f18b77 | 5540 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5541 | << oldcid << "/" << o << " (dne, continue replay) " << dendl; |
5542 | return 0; | |
5543 | } | |
5544 | if (dstcmp > 0) { // if dstcmp == 0 the guard already says "in-progress" | |
5545 | _set_replay_guard(**fd, spos, &o, true); | |
5546 | } | |
5547 | ||
5548 | r = lfn_link(oldcid, c, o, o); | |
5549 | if (replaying && !backend->can_checkpoint() && | |
5550 | r == -EEXIST) // crashed between link() and set_replay_guard() | |
5551 | r = 0; | |
5552 | ||
5553 | _inject_failure(); | |
5554 | ||
5555 | // close guard on object so we don't do this again | |
5556 | if (r == 0) { | |
5557 | _close_replay_guard(**fd, spos); | |
5558 | } | |
5559 | lfn_close(fd); | |
5560 | ||
31f18b77 | 5561 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << o << " = " << r << dendl; |
7c673cae FG |
5562 | return r; |
5563 | } | |
5564 | ||
5565 | int FileStore::_collection_move_rename(const coll_t& oldcid, const ghobject_t& oldoid, | |
5566 | coll_t c, const ghobject_t& o, | |
5567 | const SequencerPosition& spos, | |
5568 | bool allow_enoent) | |
5569 | { | |
31f18b77 | 5570 | dout(15) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid << dendl; |
7c673cae FG |
5571 | int r = 0; |
5572 | int dstcmp, srccmp; | |
5573 | ||
5574 | if (replaying) { | |
5575 | /* If the destination collection doesn't exist during replay, | |
5576 | * we need to delete the src object and continue on | |
5577 | */ | |
5578 | if (!collection_exists(c)) | |
5579 | goto out_rm_src; | |
5580 | } | |
5581 | ||
5582 | dstcmp = _check_replay_guard(c, o, spos); | |
5583 | if (dstcmp < 0) | |
5584 | goto out_rm_src; | |
5585 | ||
5586 | // check the src name too; it might have a newer guard, and we don't | |
5587 | // want to clobber it | |
5588 | srccmp = _check_replay_guard(oldcid, oldoid, spos); | |
5589 | if (srccmp < 0) | |
5590 | return 0; | |
5591 | ||
5592 | { | |
5593 | // open guard on object so we don't any previous operations on the | |
5594 | // new name that will modify the source inode. | |
5595 | FDRef fd; | |
5596 | r = lfn_open(oldcid, oldoid, 0, &fd); | |
5597 | if (r < 0) { | |
5598 | // the source collection/object does not exist. If we are replaying, we | |
5599 | // should be safe, so just return 0 and move on. | |
5600 | if (replaying) { | |
31f18b77 | 5601 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5602 | << oldcid << "/" << oldoid << " (dne, continue replay) " << dendl; |
5603 | } else if (allow_enoent) { | |
31f18b77 | 5604 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5605 | << oldcid << "/" << oldoid << " (dne, ignoring enoent)" |
5606 | << dendl; | |
5607 | } else { | |
11fdf7f2 | 5608 | ceph_abort_msg("ERROR: source must exist"); |
7c673cae FG |
5609 | } |
5610 | ||
5611 | if (!replaying) { | |
5612 | return 0; | |
5613 | } | |
5614 | if (allow_enoent && dstcmp > 0) { // if dstcmp == 0, try_rename was started. | |
5615 | return 0; | |
5616 | } | |
5617 | ||
5618 | r = 0; // don't know if object_map was cloned | |
5619 | } else { | |
5620 | if (dstcmp > 0) { // if dstcmp == 0 the guard already says "in-progress" | |
5621 | _set_replay_guard(**fd, spos, &o, true); | |
5622 | } | |
5623 | ||
5624 | r = lfn_link(oldcid, c, oldoid, o); | |
5625 | if (replaying && !backend->can_checkpoint() && | |
5626 | r == -EEXIST) // crashed between link() and set_replay_guard() | |
5627 | r = 0; | |
5628 | ||
5629 | lfn_close(fd); | |
5630 | fd = FDRef(); | |
5631 | ||
5632 | _inject_failure(); | |
5633 | } | |
5634 | ||
5635 | if (r == 0) { | |
5636 | // the name changed; link the omap content | |
5637 | r = object_map->rename(oldoid, o, &spos); | |
5638 | if (r == -ENOENT) | |
5639 | r = 0; | |
5640 | } | |
5641 | ||
5642 | _inject_failure(); | |
5643 | ||
5644 | if (r == 0) | |
5645 | r = lfn_unlink(oldcid, oldoid, spos, true); | |
5646 | ||
5647 | if (r == 0) | |
5648 | r = lfn_open(c, o, 0, &fd); | |
5649 | ||
5650 | // close guard on object so we don't do this again | |
5651 | if (r == 0) { | |
5652 | _close_replay_guard(**fd, spos, &o); | |
5653 | lfn_close(fd); | |
5654 | } | |
5655 | } | |
5656 | ||
31f18b77 | 5657 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid |
7c673cae FG |
5658 | << " = " << r << dendl; |
5659 | return r; | |
5660 | ||
5661 | out_rm_src: | |
5662 | // remove source | |
5663 | if (_check_replay_guard(oldcid, oldoid, spos) > 0) { | |
5664 | r = lfn_unlink(oldcid, oldoid, spos, true); | |
5665 | } | |
5666 | ||
31f18b77 | 5667 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid |
7c673cae FG |
5668 | << " = " << r << dendl; |
5669 | return r; | |
5670 | } | |
5671 | ||
5672 | void FileStore::_inject_failure() | |
5673 | { | |
31f18b77 FG |
5674 | if (m_filestore_kill_at) { |
5675 | int final = --m_filestore_kill_at; | |
5676 | dout(5) << __FUNC__ << ": " << (final+1) << " -> " << final << dendl; | |
7c673cae | 5677 | if (final == 0) { |
31f18b77 | 5678 | derr << __FUNC__ << ": KILLING" << dendl; |
7c673cae FG |
5679 | cct->_log->flush(); |
5680 | _exit(1); | |
5681 | } | |
5682 | } | |
5683 | } | |
5684 | ||
5685 | int FileStore::_omap_clear(const coll_t& cid, const ghobject_t &hoid, | |
5686 | const SequencerPosition &spos) { | |
31f18b77 | 5687 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5688 | Index index; |
5689 | int r = get_index(cid, &index); | |
5690 | if (r < 0) | |
5691 | return r; | |
5692 | { | |
11fdf7f2 | 5693 | ceph_assert(index.index); |
7c673cae FG |
5694 | RWLock::RLocker l((index.index)->access_lock); |
5695 | r = lfn_find(hoid, index); | |
5696 | if (r < 0) | |
5697 | return r; | |
5698 | } | |
5699 | r = object_map->clear_keys_header(hoid, &spos); | |
5700 | if (r < 0 && r != -ENOENT) | |
5701 | return r; | |
5702 | return 0; | |
5703 | } | |
5704 | ||
5705 | int FileStore::_omap_setkeys(const coll_t& cid, const ghobject_t &hoid, | |
5706 | const map<string, bufferlist> &aset, | |
5707 | const SequencerPosition &spos) { | |
31f18b77 | 5708 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5709 | Index index; |
5710 | int r; | |
5711 | //treat pgmeta as a logical object, skip to check exist | |
5712 | if (hoid.is_pgmeta()) | |
5713 | goto skip; | |
5714 | ||
5715 | r = get_index(cid, &index); | |
5716 | if (r < 0) { | |
31f18b77 | 5717 | dout(20) << __FUNC__ << ": get_index got " << cpp_strerror(r) << dendl; |
7c673cae FG |
5718 | return r; |
5719 | } | |
5720 | { | |
11fdf7f2 | 5721 | ceph_assert(index.index); |
7c673cae FG |
5722 | RWLock::RLocker l((index.index)->access_lock); |
5723 | r = lfn_find(hoid, index); | |
5724 | if (r < 0) { | |
31f18b77 | 5725 | dout(20) << __FUNC__ << ": lfn_find got " << cpp_strerror(r) << dendl; |
7c673cae FG |
5726 | return r; |
5727 | } | |
5728 | } | |
5729 | skip: | |
11fdf7f2 | 5730 | if (g_conf()->subsys.should_gather<ceph_subsys_filestore, 20>()) { |
7c673cae | 5731 | for (auto& p : aset) { |
31f18b77 | 5732 | dout(20) << __FUNC__ << ": set " << p.first << dendl; |
7c673cae FG |
5733 | } |
5734 | } | |
5735 | r = object_map->set_keys(hoid, aset, &spos); | |
31f18b77 | 5736 | dout(20) << __FUNC__ << ": " << cid << "/" << hoid << " = " << r << dendl; |
7c673cae FG |
5737 | return r; |
5738 | } | |
5739 | ||
5740 | int FileStore::_omap_rmkeys(const coll_t& cid, const ghobject_t &hoid, | |
5741 | const set<string> &keys, | |
5742 | const SequencerPosition &spos) { | |
31f18b77 | 5743 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5744 | Index index; |
5745 | int r; | |
5746 | //treat pgmeta as a logical object, skip to check exist | |
5747 | if (hoid.is_pgmeta()) | |
5748 | goto skip; | |
5749 | ||
5750 | r = get_index(cid, &index); | |
5751 | if (r < 0) | |
5752 | return r; | |
5753 | { | |
11fdf7f2 | 5754 | ceph_assert(index.index); |
7c673cae FG |
5755 | RWLock::RLocker l((index.index)->access_lock); |
5756 | r = lfn_find(hoid, index); | |
5757 | if (r < 0) | |
5758 | return r; | |
5759 | } | |
5760 | skip: | |
5761 | r = object_map->rm_keys(hoid, keys, &spos); | |
5762 | if (r < 0 && r != -ENOENT) | |
5763 | return r; | |
5764 | return 0; | |
5765 | } | |
5766 | ||
5767 | int FileStore::_omap_rmkeyrange(const coll_t& cid, const ghobject_t &hoid, | |
5768 | const string& first, const string& last, | |
5769 | const SequencerPosition &spos) { | |
31f18b77 | 5770 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << " [" << first << "," << last << "]" << dendl; |
7c673cae FG |
5771 | set<string> keys; |
5772 | { | |
5773 | ObjectMap::ObjectMapIterator iter = get_omap_iterator(cid, hoid); | |
5774 | if (!iter) | |
5775 | return -ENOENT; | |
5776 | for (iter->lower_bound(first); iter->valid() && iter->key() < last; | |
5777 | iter->next()) { | |
5778 | keys.insert(iter->key()); | |
5779 | } | |
5780 | } | |
5781 | return _omap_rmkeys(cid, hoid, keys, spos); | |
5782 | } | |
5783 | ||
5784 | int FileStore::_omap_setheader(const coll_t& cid, const ghobject_t &hoid, | |
5785 | const bufferlist &bl, | |
5786 | const SequencerPosition &spos) | |
5787 | { | |
31f18b77 | 5788 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5789 | Index index; |
5790 | int r = get_index(cid, &index); | |
5791 | if (r < 0) | |
5792 | return r; | |
5793 | { | |
11fdf7f2 | 5794 | ceph_assert(index.index); |
7c673cae FG |
5795 | RWLock::RLocker l((index.index)->access_lock); |
5796 | r = lfn_find(hoid, index); | |
5797 | if (r < 0) | |
5798 | return r; | |
5799 | } | |
5800 | return object_map->set_header(hoid, bl, &spos); | |
5801 | } | |
5802 | ||
11fdf7f2 TL |
5803 | int FileStore::_merge_collection(const coll_t& cid, |
5804 | uint32_t bits, | |
5805 | coll_t dest, | |
5806 | const SequencerPosition &spos) | |
5807 | { | |
5808 | dout(15) << __FUNC__ << ": " << cid << " " << dest | |
5809 | << " bits " << bits << dendl; | |
5810 | int r = 0; | |
5811 | ||
5812 | if (!collection_exists(cid)) { | |
5813 | dout(2) << __FUNC__ << ": " << cid << " DNE" << dendl; | |
5814 | ceph_assert(replaying); | |
5815 | return 0; | |
5816 | } | |
5817 | if (!collection_exists(dest)) { | |
5818 | dout(2) << __FUNC__ << ": " << dest << " DNE" << dendl; | |
5819 | ceph_assert(replaying); | |
5820 | return 0; | |
5821 | } | |
5822 | ||
5823 | // set bits | |
5824 | if (_check_replay_guard(cid, spos) > 0) | |
5825 | _collection_set_bits(dest, bits); | |
5826 | ||
5827 | spg_t pgid; | |
5828 | bool is_pg = dest.is_pg(&pgid); | |
5829 | ceph_assert(is_pg); | |
5830 | ||
5831 | int dstcmp = _check_replay_guard(dest, spos); | |
5832 | if (dstcmp < 0) | |
5833 | return 0; | |
5834 | ||
5835 | int srccmp = _check_replay_guard(cid, spos); | |
5836 | if (srccmp < 0) | |
5837 | return 0; | |
5838 | ||
5839 | _set_global_replay_guard(cid, spos); | |
5840 | _set_replay_guard(cid, spos, true); | |
5841 | _set_replay_guard(dest, spos, true); | |
5842 | ||
5843 | // main collection | |
5844 | { | |
5845 | Index from; | |
5846 | r = get_index(cid, &from); | |
5847 | ||
5848 | Index to; | |
5849 | if (!r) | |
5850 | r = get_index(dest, &to); | |
5851 | ||
5852 | if (!r) { | |
5853 | ceph_assert(from.index); | |
5854 | RWLock::WLocker l1((from.index)->access_lock); | |
5855 | ||
5856 | ceph_assert(to.index); | |
5857 | RWLock::WLocker l2((to.index)->access_lock); | |
5858 | ||
5859 | r = from->merge(bits, to.index); | |
5860 | } | |
5861 | } | |
5862 | ||
5863 | // temp too | |
5864 | { | |
5865 | Index from; | |
5866 | r = get_index(cid.get_temp(), &from); | |
5867 | ||
5868 | Index to; | |
5869 | if (!r) | |
5870 | r = get_index(dest.get_temp(), &to); | |
5871 | ||
5872 | if (!r) { | |
5873 | ceph_assert(from.index); | |
5874 | RWLock::WLocker l1((from.index)->access_lock); | |
5875 | ||
5876 | ceph_assert(to.index); | |
5877 | RWLock::WLocker l2((to.index)->access_lock); | |
5878 | ||
5879 | r = from->merge(bits, to.index); | |
5880 | } | |
5881 | } | |
5882 | ||
5883 | // remove source | |
5884 | _destroy_collection(cid); | |
5885 | ||
5886 | _close_replay_guard(dest, spos); | |
5887 | _close_replay_guard(dest.get_temp(), spos); | |
5888 | // no need to close guards on cid... it's removed. | |
5889 | ||
5890 | if (!r && cct->_conf->filestore_debug_verify_split) { | |
5891 | vector<ghobject_t> objects; | |
5892 | ghobject_t next; | |
5893 | while (1) { | |
5894 | collection_list( | |
5895 | dest, | |
5896 | next, ghobject_t::get_max(), | |
5897 | get_ideal_list_max(), | |
5898 | &objects, | |
5899 | &next); | |
5900 | if (objects.empty()) | |
5901 | break; | |
5902 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
5903 | i != objects.end(); | |
5904 | ++i) { | |
5905 | if (!i->match(bits, pgid.pgid.ps())) { | |
5906 | dout(20) << __FUNC__ << ": " << *i << " does not belong in " | |
5907 | << cid << dendl; | |
5908 | ceph_assert(i->match(bits, pgid.pgid.ps())); | |
5909 | } | |
5910 | } | |
5911 | objects.clear(); | |
5912 | } | |
5913 | } | |
5914 | ||
5915 | dout(15) << __FUNC__ << ": " << cid << " " << dest << " bits " << bits | |
5916 | << " = " << r << dendl; | |
5917 | return r; | |
5918 | } | |
5919 | ||
7c673cae FG |
5920 | int FileStore::_split_collection(const coll_t& cid, |
5921 | uint32_t bits, | |
5922 | uint32_t rem, | |
5923 | coll_t dest, | |
5924 | const SequencerPosition &spos) | |
5925 | { | |
5926 | int r; | |
5927 | { | |
31f18b77 | 5928 | dout(15) << __FUNC__ << ": " << cid << " bits: " << bits << dendl; |
7c673cae | 5929 | if (!collection_exists(cid)) { |
31f18b77 | 5930 | dout(2) << __FUNC__ << ": " << cid << " DNE" << dendl; |
11fdf7f2 | 5931 | ceph_assert(replaying); |
7c673cae FG |
5932 | return 0; |
5933 | } | |
5934 | if (!collection_exists(dest)) { | |
31f18b77 | 5935 | dout(2) << __FUNC__ << ": " << dest << " DNE" << dendl; |
11fdf7f2 | 5936 | ceph_assert(replaying); |
7c673cae FG |
5937 | return 0; |
5938 | } | |
5939 | ||
5940 | int dstcmp = _check_replay_guard(dest, spos); | |
5941 | if (dstcmp < 0) | |
5942 | return 0; | |
5943 | ||
5944 | int srccmp = _check_replay_guard(cid, spos); | |
5945 | if (srccmp < 0) | |
5946 | return 0; | |
5947 | ||
5948 | _set_global_replay_guard(cid, spos); | |
5949 | _set_replay_guard(cid, spos, true); | |
5950 | _set_replay_guard(dest, spos, true); | |
5951 | ||
5952 | Index from; | |
5953 | r = get_index(cid, &from); | |
5954 | ||
5955 | Index to; | |
5956 | if (!r) | |
5957 | r = get_index(dest, &to); | |
5958 | ||
5959 | if (!r) { | |
11fdf7f2 | 5960 | ceph_assert(from.index); |
7c673cae FG |
5961 | RWLock::WLocker l1((from.index)->access_lock); |
5962 | ||
11fdf7f2 | 5963 | ceph_assert(to.index); |
7c673cae FG |
5964 | RWLock::WLocker l2((to.index)->access_lock); |
5965 | ||
5966 | r = from->split(rem, bits, to.index); | |
5967 | } | |
5968 | ||
5969 | _close_replay_guard(cid, spos); | |
5970 | _close_replay_guard(dest, spos); | |
5971 | } | |
5972 | _collection_set_bits(cid, bits); | |
5973 | if (!r && cct->_conf->filestore_debug_verify_split) { | |
5974 | vector<ghobject_t> objects; | |
5975 | ghobject_t next; | |
5976 | while (1) { | |
5977 | collection_list( | |
5978 | cid, | |
5979 | next, ghobject_t::get_max(), | |
5980 | get_ideal_list_max(), | |
5981 | &objects, | |
5982 | &next); | |
5983 | if (objects.empty()) | |
5984 | break; | |
5985 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
5986 | i != objects.end(); | |
5987 | ++i) { | |
31f18b77 | 5988 | dout(20) << __FUNC__ << ": " << *i << " still in source " |
7c673cae | 5989 | << cid << dendl; |
11fdf7f2 | 5990 | ceph_assert(!i->match(bits, rem)); |
7c673cae FG |
5991 | } |
5992 | objects.clear(); | |
5993 | } | |
5994 | next = ghobject_t(); | |
5995 | while (1) { | |
5996 | collection_list( | |
5997 | dest, | |
5998 | next, ghobject_t::get_max(), | |
5999 | get_ideal_list_max(), | |
6000 | &objects, | |
6001 | &next); | |
6002 | if (objects.empty()) | |
6003 | break; | |
6004 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
6005 | i != objects.end(); | |
6006 | ++i) { | |
31f18b77 | 6007 | dout(20) << __FUNC__ << ": " << *i << " now in dest " |
7c673cae | 6008 | << *i << dendl; |
11fdf7f2 | 6009 | ceph_assert(i->match(bits, rem)); |
7c673cae FG |
6010 | } |
6011 | objects.clear(); | |
6012 | } | |
6013 | } | |
6014 | return r; | |
6015 | } | |
6016 | ||
6017 | int FileStore::_set_alloc_hint(const coll_t& cid, const ghobject_t& oid, | |
6018 | uint64_t expected_object_size, | |
6019 | uint64_t expected_write_size) | |
6020 | { | |
31f18b77 | 6021 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " object_size " << expected_object_size << " write_size " << expected_write_size << dendl; |
7c673cae FG |
6022 | |
6023 | FDRef fd; | |
6024 | int ret = 0; | |
6025 | ||
6026 | if (expected_object_size == 0 || expected_write_size == 0) | |
6027 | goto out; | |
6028 | ||
6029 | ret = lfn_open(cid, oid, false, &fd); | |
6030 | if (ret < 0) | |
6031 | goto out; | |
6032 | ||
6033 | { | |
6034 | // TODO: a more elaborate hint calculation | |
11fdf7f2 | 6035 | uint64_t hint = std::min<uint64_t>(expected_write_size, m_filestore_max_alloc_hint_size); |
7c673cae FG |
6036 | |
6037 | ret = backend->set_alloc_hint(**fd, hint); | |
31f18b77 | 6038 | dout(20) << __FUNC__ << ": hint " << hint << " ret " << ret << dendl; |
7c673cae FG |
6039 | } |
6040 | ||
6041 | lfn_close(fd); | |
6042 | out: | |
31f18b77 | 6043 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " object_size " << expected_object_size << " write_size " << expected_write_size << " = " << ret << dendl; |
11fdf7f2 | 6044 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae FG |
6045 | return ret; |
6046 | } | |
6047 | ||
6048 | const char** FileStore::get_tracked_conf_keys() const | |
6049 | { | |
6050 | static const char* KEYS[] = { | |
6051 | "filestore_max_inline_xattr_size", | |
6052 | "filestore_max_inline_xattr_size_xfs", | |
6053 | "filestore_max_inline_xattr_size_btrfs", | |
6054 | "filestore_max_inline_xattr_size_other", | |
6055 | "filestore_max_inline_xattrs", | |
6056 | "filestore_max_inline_xattrs_xfs", | |
6057 | "filestore_max_inline_xattrs_btrfs", | |
6058 | "filestore_max_inline_xattrs_other", | |
6059 | "filestore_max_xattr_value_size", | |
6060 | "filestore_max_xattr_value_size_xfs", | |
6061 | "filestore_max_xattr_value_size_btrfs", | |
6062 | "filestore_max_xattr_value_size_other", | |
6063 | "filestore_min_sync_interval", | |
6064 | "filestore_max_sync_interval", | |
6065 | "filestore_queue_max_ops", | |
6066 | "filestore_queue_max_bytes", | |
6067 | "filestore_expected_throughput_bytes", | |
6068 | "filestore_expected_throughput_ops", | |
6069 | "filestore_queue_low_threshhold", | |
6070 | "filestore_queue_high_threshhold", | |
6071 | "filestore_queue_high_delay_multiple", | |
6072 | "filestore_queue_max_delay_multiple", | |
6073 | "filestore_commit_timeout", | |
6074 | "filestore_dump_file", | |
6075 | "filestore_kill_at", | |
6076 | "filestore_fail_eio", | |
6077 | "filestore_fadvise", | |
6078 | "filestore_sloppy_crc", | |
6079 | "filestore_sloppy_crc_block_size", | |
6080 | "filestore_max_alloc_hint_size", | |
6081 | NULL | |
6082 | }; | |
6083 | return KEYS; | |
6084 | } | |
6085 | ||
11fdf7f2 | 6086 | void FileStore::handle_conf_change(const ConfigProxy& conf, |
7c673cae FG |
6087 | const std::set <std::string> &changed) |
6088 | { | |
6089 | if (changed.count("filestore_max_inline_xattr_size") || | |
6090 | changed.count("filestore_max_inline_xattr_size_xfs") || | |
6091 | changed.count("filestore_max_inline_xattr_size_btrfs") || | |
6092 | changed.count("filestore_max_inline_xattr_size_other") || | |
6093 | changed.count("filestore_max_inline_xattrs") || | |
6094 | changed.count("filestore_max_inline_xattrs_xfs") || | |
6095 | changed.count("filestore_max_inline_xattrs_btrfs") || | |
6096 | changed.count("filestore_max_inline_xattrs_other") || | |
6097 | changed.count("filestore_max_xattr_value_size") || | |
6098 | changed.count("filestore_max_xattr_value_size_xfs") || | |
6099 | changed.count("filestore_max_xattr_value_size_btrfs") || | |
6100 | changed.count("filestore_max_xattr_value_size_other")) { | |
6101 | if (backend) { | |
6102 | Mutex::Locker l(lock); | |
6103 | set_xattr_limits_via_conf(); | |
6104 | } | |
6105 | } | |
6106 | ||
6107 | if (changed.count("filestore_queue_max_bytes") || | |
6108 | changed.count("filestore_queue_max_ops") || | |
6109 | changed.count("filestore_expected_throughput_bytes") || | |
6110 | changed.count("filestore_expected_throughput_ops") || | |
6111 | changed.count("filestore_queue_low_threshhold") || | |
6112 | changed.count("filestore_queue_high_threshhold") || | |
6113 | changed.count("filestore_queue_high_delay_multiple") || | |
6114 | changed.count("filestore_queue_max_delay_multiple")) { | |
6115 | Mutex::Locker l(lock); | |
6116 | set_throttle_params(); | |
6117 | } | |
6118 | ||
6119 | if (changed.count("filestore_min_sync_interval") || | |
6120 | changed.count("filestore_max_sync_interval") || | |
6121 | changed.count("filestore_kill_at") || | |
6122 | changed.count("filestore_fail_eio") || | |
6123 | changed.count("filestore_sloppy_crc") || | |
6124 | changed.count("filestore_sloppy_crc_block_size") || | |
6125 | changed.count("filestore_max_alloc_hint_size") || | |
6126 | changed.count("filestore_fadvise")) { | |
6127 | Mutex::Locker l(lock); | |
6128 | m_filestore_min_sync_interval = conf->filestore_min_sync_interval; | |
6129 | m_filestore_max_sync_interval = conf->filestore_max_sync_interval; | |
31f18b77 | 6130 | m_filestore_kill_at = conf->filestore_kill_at; |
7c673cae FG |
6131 | m_filestore_fail_eio = conf->filestore_fail_eio; |
6132 | m_filestore_fadvise = conf->filestore_fadvise; | |
6133 | m_filestore_sloppy_crc = conf->filestore_sloppy_crc; | |
6134 | m_filestore_sloppy_crc_block_size = conf->filestore_sloppy_crc_block_size; | |
6135 | m_filestore_max_alloc_hint_size = conf->filestore_max_alloc_hint_size; | |
6136 | } | |
6137 | if (changed.count("filestore_commit_timeout")) { | |
6138 | Mutex::Locker l(sync_entry_timeo_lock); | |
6139 | m_filestore_commit_timeout = conf->filestore_commit_timeout; | |
6140 | } | |
6141 | if (changed.count("filestore_dump_file")) { | |
6142 | if (conf->filestore_dump_file.length() && | |
6143 | conf->filestore_dump_file != "-") { | |
6144 | dump_start(conf->filestore_dump_file); | |
6145 | } else { | |
6146 | dump_stop(); | |
6147 | } | |
6148 | } | |
6149 | } | |
6150 | ||
6151 | int FileStore::set_throttle_params() | |
6152 | { | |
6153 | stringstream ss; | |
6154 | bool valid = throttle_bytes.set_params( | |
6155 | cct->_conf->filestore_queue_low_threshhold, | |
6156 | cct->_conf->filestore_queue_high_threshhold, | |
6157 | cct->_conf->filestore_expected_throughput_bytes, | |
11fdf7f2 TL |
6158 | cct->_conf->filestore_queue_high_delay_multiple? |
6159 | cct->_conf->filestore_queue_high_delay_multiple: | |
6160 | cct->_conf->filestore_queue_high_delay_multiple_bytes, | |
6161 | cct->_conf->filestore_queue_max_delay_multiple? | |
6162 | cct->_conf->filestore_queue_max_delay_multiple: | |
6163 | cct->_conf->filestore_queue_max_delay_multiple_bytes, | |
7c673cae FG |
6164 | cct->_conf->filestore_queue_max_bytes, |
6165 | &ss); | |
6166 | ||
6167 | valid &= throttle_ops.set_params( | |
6168 | cct->_conf->filestore_queue_low_threshhold, | |
6169 | cct->_conf->filestore_queue_high_threshhold, | |
6170 | cct->_conf->filestore_expected_throughput_ops, | |
11fdf7f2 TL |
6171 | cct->_conf->filestore_queue_high_delay_multiple? |
6172 | cct->_conf->filestore_queue_high_delay_multiple: | |
6173 | cct->_conf->filestore_queue_high_delay_multiple_ops, | |
6174 | cct->_conf->filestore_queue_max_delay_multiple? | |
6175 | cct->_conf->filestore_queue_max_delay_multiple: | |
6176 | cct->_conf->filestore_queue_max_delay_multiple_ops, | |
7c673cae FG |
6177 | cct->_conf->filestore_queue_max_ops, |
6178 | &ss); | |
6179 | ||
6180 | logger->set(l_filestore_op_queue_max_ops, throttle_ops.get_max()); | |
6181 | logger->set(l_filestore_op_queue_max_bytes, throttle_bytes.get_max()); | |
6182 | ||
6183 | if (!valid) { | |
6184 | derr << "tried to set invalid params: " | |
6185 | << ss.str() | |
6186 | << dendl; | |
6187 | } | |
6188 | return valid ? 0 : -EINVAL; | |
6189 | } | |
6190 | ||
6191 | void FileStore::dump_start(const std::string& file) | |
6192 | { | |
31f18b77 | 6193 | dout(10) << __FUNC__ << ": " << file << dendl; |
7c673cae FG |
6194 | if (m_filestore_do_dump) { |
6195 | dump_stop(); | |
6196 | } | |
6197 | m_filestore_dump_fmt.reset(); | |
6198 | m_filestore_dump_fmt.open_array_section("dump"); | |
6199 | m_filestore_dump.open(file.c_str()); | |
6200 | m_filestore_do_dump = true; | |
6201 | } | |
6202 | ||
6203 | void FileStore::dump_stop() | |
6204 | { | |
31f18b77 | 6205 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
6206 | m_filestore_do_dump = false; |
6207 | if (m_filestore_dump.is_open()) { | |
6208 | m_filestore_dump_fmt.close_section(); | |
6209 | m_filestore_dump_fmt.flush(m_filestore_dump); | |
6210 | m_filestore_dump.flush(); | |
6211 | m_filestore_dump.close(); | |
6212 | } | |
6213 | } | |
6214 | ||
6215 | void FileStore::dump_transactions(vector<ObjectStore::Transaction>& ls, uint64_t seq, OpSequencer *osr) | |
6216 | { | |
6217 | m_filestore_dump_fmt.open_array_section("transactions"); | |
6218 | unsigned trans_num = 0; | |
6219 | for (vector<ObjectStore::Transaction>::iterator i = ls.begin(); i != ls.end(); ++i, ++trans_num) { | |
6220 | m_filestore_dump_fmt.open_object_section("transaction"); | |
11fdf7f2 | 6221 | m_filestore_dump_fmt.dump_stream("osr") << osr->cid; |
7c673cae FG |
6222 | m_filestore_dump_fmt.dump_unsigned("seq", seq); |
6223 | m_filestore_dump_fmt.dump_unsigned("trans_num", trans_num); | |
6224 | (*i).dump(&m_filestore_dump_fmt); | |
6225 | m_filestore_dump_fmt.close_section(); | |
6226 | } | |
6227 | m_filestore_dump_fmt.close_section(); | |
6228 | m_filestore_dump_fmt.flush(m_filestore_dump); | |
6229 | m_filestore_dump.flush(); | |
6230 | } | |
6231 | ||
11fdf7f2 TL |
6232 | void FileStore::get_db_statistics(Formatter* f) |
6233 | { | |
6234 | object_map->db->get_statistics(f); | |
6235 | } | |
6236 | ||
7c673cae FG |
6237 | void FileStore::set_xattr_limits_via_conf() |
6238 | { | |
6239 | uint32_t fs_xattr_size; | |
6240 | uint32_t fs_xattrs; | |
6241 | uint32_t fs_xattr_max_value_size; | |
6242 | ||
6243 | switch (m_fs_type) { | |
6244 | #if defined(__linux__) | |
6245 | case XFS_SUPER_MAGIC: | |
6246 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_xfs; | |
6247 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_xfs; | |
6248 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_xfs; | |
6249 | break; | |
6250 | case BTRFS_SUPER_MAGIC: | |
6251 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_btrfs; | |
6252 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_btrfs; | |
6253 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_btrfs; | |
6254 | break; | |
6255 | #endif | |
6256 | default: | |
6257 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_other; | |
6258 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_other; | |
6259 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_other; | |
6260 | break; | |
6261 | } | |
6262 | ||
6263 | // Use override value if set | |
6264 | if (cct->_conf->filestore_max_inline_xattr_size) | |
6265 | m_filestore_max_inline_xattr_size = cct->_conf->filestore_max_inline_xattr_size; | |
6266 | else | |
6267 | m_filestore_max_inline_xattr_size = fs_xattr_size; | |
6268 | ||
6269 | // Use override value if set | |
6270 | if (cct->_conf->filestore_max_inline_xattrs) | |
6271 | m_filestore_max_inline_xattrs = cct->_conf->filestore_max_inline_xattrs; | |
6272 | else | |
6273 | m_filestore_max_inline_xattrs = fs_xattrs; | |
6274 | ||
6275 | // Use override value if set | |
6276 | if (cct->_conf->filestore_max_xattr_value_size) | |
6277 | m_filestore_max_xattr_value_size = cct->_conf->filestore_max_xattr_value_size; | |
6278 | else | |
6279 | m_filestore_max_xattr_value_size = fs_xattr_max_value_size; | |
6280 | ||
6281 | if (m_filestore_max_xattr_value_size < cct->_conf->osd_max_object_name_len) { | |
6282 | derr << "WARNING: max attr value size (" | |
6283 | << m_filestore_max_xattr_value_size | |
6284 | << ") is smaller than osd_max_object_name_len (" | |
6285 | << cct->_conf->osd_max_object_name_len | |
6286 | << "). Your backend filesystem appears to not support attrs large " | |
6287 | << "enough to handle the configured max rados name size. You may get " | |
6288 | << "unexpected ENAMETOOLONG errors on rados operations or buggy " | |
6289 | << "behavior" | |
6290 | << dendl; | |
6291 | } | |
6292 | } | |
6293 | ||
6294 | uint64_t FileStore::estimate_objects_overhead(uint64_t num_objects) | |
6295 | { | |
6296 | uint64_t res = num_objects * blk_size / 2; //assumes that each object uses ( in average ) additional 1/2 block due to FS allocation granularity. | |
6297 | return res; | |
6298 | } | |
6299 | ||
1adf2230 | 6300 | int FileStore::apply_layout_settings(const coll_t &cid, int target_level) |
7c673cae | 6301 | { |
1adf2230 AA |
6302 | dout(20) << __FUNC__ << ": " << cid << " target level: " |
6303 | << target_level << dendl; | |
7c673cae FG |
6304 | Index index; |
6305 | int r = get_index(cid, &index); | |
6306 | if (r < 0) { | |
6307 | dout(10) << "Error getting index for " << cid << ": " << cpp_strerror(r) | |
6308 | << dendl; | |
6309 | return r; | |
6310 | } | |
6311 | ||
1adf2230 | 6312 | return index->apply_layout_settings(target_level); |
7c673cae FG |
6313 | } |
6314 | ||
6315 | ||
6316 | // -- FSSuperblock -- | |
6317 | ||
6318 | void FSSuperblock::encode(bufferlist &bl) const | |
6319 | { | |
6320 | ENCODE_START(2, 1, bl); | |
6321 | compat_features.encode(bl); | |
11fdf7f2 | 6322 | encode(omap_backend, bl); |
7c673cae FG |
6323 | ENCODE_FINISH(bl); |
6324 | } | |
6325 | ||
11fdf7f2 | 6326 | void FSSuperblock::decode(bufferlist::const_iterator &bl) |
7c673cae FG |
6327 | { |
6328 | DECODE_START(2, bl); | |
6329 | compat_features.decode(bl); | |
6330 | if (struct_v >= 2) | |
11fdf7f2 | 6331 | decode(omap_backend, bl); |
7c673cae FG |
6332 | else |
6333 | omap_backend = "leveldb"; | |
6334 | DECODE_FINISH(bl); | |
6335 | } | |
6336 | ||
6337 | void FSSuperblock::dump(Formatter *f) const | |
6338 | { | |
6339 | f->open_object_section("compat"); | |
6340 | compat_features.dump(f); | |
6341 | f->dump_string("omap_backend", omap_backend); | |
6342 | f->close_section(); | |
6343 | } | |
6344 | ||
6345 | void FSSuperblock::generate_test_instances(list<FSSuperblock*>& o) | |
6346 | { | |
6347 | FSSuperblock z; | |
6348 | o.push_back(new FSSuperblock(z)); | |
6349 | CompatSet::FeatureSet feature_compat; | |
6350 | CompatSet::FeatureSet feature_ro_compat; | |
6351 | CompatSet::FeatureSet feature_incompat; | |
6352 | feature_incompat.insert(CEPH_FS_FEATURE_INCOMPAT_SHARDS); | |
6353 | z.compat_features = CompatSet(feature_compat, feature_ro_compat, | |
6354 | feature_incompat); | |
6355 | o.push_back(new FSSuperblock(z)); | |
6356 | z.omap_backend = "rocksdb"; | |
6357 | o.push_back(new FSSuperblock(z)); | |
6358 | } | |
11fdf7f2 TL |
6359 | |
6360 | #undef dout_prefix | |
6361 | #define dout_prefix *_dout << "filestore.osr(" << this << ") " | |
6362 | ||
6363 | void FileStore::OpSequencer::_register_apply(Op *o) | |
6364 | { | |
6365 | if (o->registered_apply) { | |
6366 | dout(20) << __func__ << " " << o << " already registered" << dendl; | |
6367 | return; | |
6368 | } | |
6369 | o->registered_apply = true; | |
6370 | for (auto& t : o->tls) { | |
6371 | for (auto& i : t.get_object_index()) { | |
6372 | uint32_t key = i.first.hobj.get_hash(); | |
6373 | applying.emplace(make_pair(key, &i.first)); | |
6374 | dout(20) << __func__ << " " << o << " " << i.first << " (" | |
6375 | << &i.first << ")" << dendl; | |
6376 | } | |
6377 | } | |
6378 | } | |
6379 | ||
6380 | void FileStore::OpSequencer::_unregister_apply(Op *o) | |
6381 | { | |
6382 | ceph_assert(o->registered_apply); | |
6383 | for (auto& t : o->tls) { | |
6384 | for (auto& i : t.get_object_index()) { | |
6385 | uint32_t key = i.first.hobj.get_hash(); | |
6386 | auto p = applying.find(key); | |
6387 | bool removed = false; | |
6388 | while (p != applying.end() && | |
6389 | p->first == key) { | |
6390 | if (p->second == &i.first) { | |
6391 | dout(20) << __func__ << " " << o << " " << i.first << " (" | |
6392 | << &i.first << ")" << dendl; | |
6393 | applying.erase(p); | |
6394 | removed = true; | |
6395 | break; | |
6396 | } | |
6397 | ++p; | |
6398 | } | |
6399 | ceph_assert(removed); | |
6400 | } | |
6401 | } | |
6402 | } | |
6403 | ||
6404 | void FileStore::OpSequencer::wait_for_apply(const ghobject_t& oid) | |
6405 | { | |
6406 | Mutex::Locker l(qlock); | |
6407 | uint32_t key = oid.hobj.get_hash(); | |
6408 | retry: | |
6409 | while (true) { | |
6410 | // search all items in hash slot for a matching object | |
6411 | auto p = applying.find(key); | |
6412 | while (p != applying.end() && | |
6413 | p->first == key) { | |
6414 | if (*p->second == oid) { | |
6415 | dout(20) << __func__ << " " << oid << " waiting on " << p->second | |
6416 | << dendl; | |
6417 | cond.Wait(qlock); | |
6418 | goto retry; | |
6419 | } | |
6420 | ++p; | |
6421 | } | |
6422 | break; | |
6423 | } | |
6424 | dout(20) << __func__ << " " << oid << " done" << dendl; | |
6425 | } |