]>
Commit | Line | Data |
---|---|---|
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 | ||
7c673cae FG |
39 | #include "chain_xattr.h" |
40 | ||
11fdf7f2 | 41 | #if defined(__APPLE__) || defined(__FreeBSD__) |
7c673cae FG |
42 | #include <sys/param.h> |
43 | #include <sys/mount.h> | |
11fdf7f2 | 44 | #endif |
7c673cae FG |
45 | |
46 | ||
47 | #include <fstream> | |
48 | #include <sstream> | |
49 | ||
50 | #include "FileStore.h" | |
51 | #include "GenericFileStoreBackend.h" | |
52 | #include "BtrfsFileStoreBackend.h" | |
53 | #include "XfsFileStoreBackend.h" | |
54 | #include "ZFSFileStoreBackend.h" | |
55 | #include "common/BackTrace.h" | |
56 | #include "include/types.h" | |
57 | #include "FileJournal.h" | |
58 | ||
59 | #include "osd/osd_types.h" | |
60 | #include "include/color.h" | |
61 | #include "include/buffer.h" | |
62 | ||
63 | #include "common/Timer.h" | |
64 | #include "common/debug.h" | |
65 | #include "common/errno.h" | |
66 | #include "common/run_cmd.h" | |
67 | #include "common/safe_io.h" | |
68 | #include "common/perf_counters.h" | |
69 | #include "common/sync_filesystem.h" | |
70 | #include "common/fd.h" | |
71 | #include "HashIndex.h" | |
72 | #include "DBObjectMap.h" | |
73 | #include "kv/KeyValueDB.h" | |
74 | ||
75 | #include "common/ceph_crypto.h" | |
7c673cae | 76 | |
11fdf7f2 | 77 | #include "include/ceph_assert.h" |
7c673cae FG |
78 | |
79 | #include "common/config.h" | |
80 | #include "common/blkdev.h" | |
81 | ||
82 | #ifdef WITH_LTTNG | |
83 | #define TRACEPOINT_DEFINE | |
84 | #define TRACEPOINT_PROBE_DYNAMIC_LINKAGE | |
85 | #include "tracing/objectstore.h" | |
86 | #undef TRACEPOINT_PROBE_DYNAMIC_LINKAGE | |
87 | #undef TRACEPOINT_DEFINE | |
88 | #else | |
89 | #define tracepoint(...) | |
90 | #endif | |
91 | ||
92 | #define dout_context cct | |
93 | #define dout_subsys ceph_subsys_filestore | |
94 | #undef dout_prefix | |
95 | #define dout_prefix *_dout << "filestore(" << basedir << ") " | |
96 | ||
97 | #define COMMIT_SNAP_ITEM "snap_%llu" | |
98 | #define CLUSTER_SNAP_ITEM "clustersnap_%s" | |
99 | ||
100 | #define REPLAY_GUARD_XATTR "user.cephos.seq" | |
101 | #define GLOBAL_REPLAY_GUARD_XATTR "user.cephos.gseq" | |
102 | ||
103 | // XATTR_SPILL_OUT_NAME as a xattr is used to maintain that indicates whether | |
104 | // xattrs spill over into DBObjectMap, if XATTR_SPILL_OUT_NAME exists in file | |
105 | // xattrs and the value is "no", it indicates no xattrs in DBObjectMap | |
106 | #define XATTR_SPILL_OUT_NAME "user.cephos.spill_out" | |
107 | #define XATTR_NO_SPILL_OUT "0" | |
108 | #define XATTR_SPILL_OUT "1" | |
31f18b77 | 109 | #define __FUNC__ __func__ << "(" << __LINE__ << ")" |
7c673cae | 110 | |
f67539c2 TL |
111 | using std::cerr; |
112 | using std::list; | |
113 | using std::make_pair; | |
114 | using std::map; | |
115 | using std::ostream; | |
116 | using std::ostringstream; | |
117 | using std::set; | |
118 | using std::string; | |
119 | using std::stringstream; | |
120 | using std::vector; | |
121 | ||
122 | using ceph::crypto::SHA1; | |
123 | using ceph::BackTrace; | |
124 | using ceph::bufferlist; | |
125 | using ceph::bufferptr; | |
126 | using ceph::decode; | |
127 | using ceph::encode; | |
128 | using ceph::Formatter; | |
129 | using ceph::JSONFormatter; | |
130 | ||
7c673cae FG |
131 | //Initial features in new superblock. |
132 | static CompatSet get_fs_initial_compat_set() { | |
133 | CompatSet::FeatureSet ceph_osd_feature_compat; | |
134 | CompatSet::FeatureSet ceph_osd_feature_ro_compat; | |
135 | CompatSet::FeatureSet ceph_osd_feature_incompat; | |
136 | return CompatSet(ceph_osd_feature_compat, ceph_osd_feature_ro_compat, | |
137 | ceph_osd_feature_incompat); | |
138 | } | |
139 | ||
140 | //Features are added here that this FileStore supports. | |
141 | static CompatSet get_fs_supported_compat_set() { | |
142 | CompatSet compat = get_fs_initial_compat_set(); | |
143 | //Any features here can be set in code, but not in initial superblock | |
144 | compat.incompat.insert(CEPH_FS_FEATURE_INCOMPAT_SHARDS); | |
145 | return compat; | |
146 | } | |
147 | ||
148 | int FileStore::validate_hobject_key(const hobject_t &obj) const | |
149 | { | |
150 | unsigned len = LFNIndex::get_max_escaped_name_len(obj); | |
151 | return len > m_filestore_max_xattr_value_size ? -ENAMETOOLONG : 0; | |
152 | } | |
153 | ||
154 | int FileStore::get_block_device_fsid(CephContext* cct, const string& path, | |
155 | uuid_d *fsid) | |
156 | { | |
157 | // make sure we don't try to use aio or direct_io (and get annoying | |
158 | // error messages from failing to do so); performance implications | |
159 | // should be irrelevant for this use | |
160 | FileJournal j(cct, *fsid, 0, 0, path.c_str(), false, false); | |
161 | return j.peek_fsid(*fsid); | |
162 | } | |
163 | ||
164 | void FileStore::FSPerfTracker::update_from_perfcounters( | |
165 | PerfCounters &logger) | |
166 | { | |
11fdf7f2 TL |
167 | os_commit_latency_ns.consume_next( |
168 | logger.get_tavg_ns( | |
7c673cae | 169 | l_filestore_journal_latency)); |
11fdf7f2 TL |
170 | os_apply_latency_ns.consume_next( |
171 | logger.get_tavg_ns( | |
7c673cae FG |
172 | l_filestore_apply_latency)); |
173 | } | |
174 | ||
175 | ||
176 | ostream& operator<<(ostream& out, const FileStore::OpSequencer& s) | |
177 | { | |
11fdf7f2 | 178 | return out << "osr(" << s.cid << ")"; |
7c673cae FG |
179 | } |
180 | ||
181 | int FileStore::get_cdir(const coll_t& cid, char *s, int len) | |
182 | { | |
183 | const string &cid_str(cid.to_str()); | |
184 | return snprintf(s, len, "%s/current/%s", basedir.c_str(), cid_str.c_str()); | |
185 | } | |
186 | ||
11fdf7f2 TL |
187 | void FileStore::handle_eio() |
188 | { | |
189 | // don't try to map this back to an offset; too hard since there is | |
190 | // a file system in between. we also don't really know whether this | |
191 | // was a read or a write, since we have so many layers beneath us. | |
192 | // don't even try. | |
193 | note_io_error_event(devname.c_str(), basedir.c_str(), -EIO, 0, 0, 0); | |
194 | ceph_abort_msg("unexpected eio error"); | |
195 | } | |
196 | ||
7c673cae FG |
197 | int FileStore::get_index(const coll_t& cid, Index *index) |
198 | { | |
199 | int r = index_manager.get_index(cid, basedir, index); | |
11fdf7f2 | 200 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
201 | return r; |
202 | } | |
203 | ||
204 | int FileStore::init_index(const coll_t& cid) | |
205 | { | |
206 | char path[PATH_MAX]; | |
207 | get_cdir(cid, path, sizeof(path)); | |
208 | int r = index_manager.init_index(cid, path, target_version); | |
11fdf7f2 | 209 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
210 | return r; |
211 | } | |
212 | ||
213 | int FileStore::lfn_find(const ghobject_t& oid, const Index& index, IndexedPath *path) | |
214 | { | |
215 | IndexedPath path2; | |
216 | if (!path) | |
217 | path = &path2; | |
218 | int r, exist; | |
11fdf7f2 | 219 | ceph_assert(index.index); |
7c673cae FG |
220 | r = (index.index)->lookup(oid, path, &exist); |
221 | if (r < 0) { | |
11fdf7f2 | 222 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
223 | return r; |
224 | } | |
225 | if (!exist) | |
226 | return -ENOENT; | |
227 | return 0; | |
228 | } | |
229 | ||
230 | int FileStore::lfn_truncate(const coll_t& cid, const ghobject_t& oid, off_t length) | |
231 | { | |
232 | FDRef fd; | |
233 | int r = lfn_open(cid, oid, false, &fd); | |
234 | if (r < 0) | |
235 | return r; | |
236 | r = ::ftruncate(**fd, length); | |
237 | if (r < 0) | |
238 | r = -errno; | |
239 | if (r >= 0 && m_filestore_sloppy_crc) { | |
240 | int rc = backend->_crc_update_truncate(**fd, length); | |
11fdf7f2 | 241 | ceph_assert(rc >= 0); |
7c673cae FG |
242 | } |
243 | lfn_close(fd); | |
11fdf7f2 | 244 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
245 | return r; |
246 | } | |
247 | ||
248 | int FileStore::lfn_stat(const coll_t& cid, const ghobject_t& oid, struct stat *buf) | |
249 | { | |
250 | IndexedPath path; | |
251 | Index index; | |
252 | int r = get_index(cid, &index); | |
253 | if (r < 0) | |
254 | return r; | |
255 | ||
11fdf7f2 | 256 | ceph_assert(index.index); |
9f95a23c | 257 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
258 | |
259 | r = lfn_find(oid, index, &path); | |
260 | if (r < 0) | |
261 | return r; | |
262 | r = ::stat(path->path(), buf); | |
263 | if (r < 0) | |
264 | r = -errno; | |
265 | return r; | |
266 | } | |
267 | ||
268 | int FileStore::lfn_open(const coll_t& cid, | |
269 | const ghobject_t& oid, | |
270 | bool create, | |
271 | FDRef *outfd, | |
272 | Index *index) | |
273 | { | |
11fdf7f2 | 274 | ceph_assert(outfd); |
7c673cae FG |
275 | int r = 0; |
276 | bool need_lock = true; | |
277 | int flags = O_RDWR; | |
278 | ||
279 | if (create) | |
280 | flags |= O_CREAT; | |
281 | if (cct->_conf->filestore_odsync_write) { | |
282 | flags |= O_DSYNC; | |
283 | } | |
284 | ||
285 | Index index2; | |
286 | if (!index) { | |
287 | index = &index2; | |
288 | } | |
289 | if (!((*index).index)) { | |
290 | r = get_index(cid, index); | |
291 | if (r < 0) { | |
31f18b77 | 292 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
293 | return r; |
294 | } | |
295 | } else { | |
296 | need_lock = false; | |
297 | } | |
298 | ||
299 | int fd, exist; | |
11fdf7f2 | 300 | ceph_assert((*index).index); |
7c673cae | 301 | if (need_lock) { |
9f95a23c | 302 | ((*index).index)->access_lock.lock(); |
7c673cae FG |
303 | } |
304 | if (!replaying) { | |
305 | *outfd = fdcache.lookup(oid); | |
306 | if (*outfd) { | |
307 | if (need_lock) { | |
9f95a23c | 308 | ((*index).index)->access_lock.unlock(); |
7c673cae FG |
309 | } |
310 | return 0; | |
311 | } | |
312 | } | |
313 | ||
314 | ||
315 | IndexedPath path2; | |
316 | IndexedPath *path = &path2; | |
317 | ||
318 | r = (*index)->lookup(oid, path, &exist); | |
319 | if (r < 0) { | |
320 | derr << "could not find " << oid << " in index: " | |
321 | << cpp_strerror(-r) << dendl; | |
322 | goto fail; | |
323 | } | |
324 | ||
91327a77 | 325 | r = ::open((*path)->path(), flags|O_CLOEXEC, 0644); |
7c673cae FG |
326 | if (r < 0) { |
327 | r = -errno; | |
328 | dout(10) << "error opening file " << (*path)->path() << " with flags=" | |
329 | << flags << ": " << cpp_strerror(-r) << dendl; | |
330 | goto fail; | |
331 | } | |
332 | fd = r; | |
333 | if (create && (!exist)) { | |
334 | r = (*index)->created(oid, (*path)->path()); | |
335 | if (r < 0) { | |
336 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
337 | derr << "error creating " << oid << " (" << (*path)->path() | |
338 | << ") in index: " << cpp_strerror(-r) << dendl; | |
339 | goto fail; | |
340 | } | |
341 | r = chain_fsetxattr<true, true>( | |
342 | fd, XATTR_SPILL_OUT_NAME, | |
343 | XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT)); | |
344 | if (r < 0) { | |
345 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
346 | derr << "error setting spillout xattr for oid " << oid << " (" << (*path)->path() | |
347 | << "):" << cpp_strerror(-r) << dendl; | |
348 | goto fail; | |
349 | } | |
350 | } | |
351 | ||
352 | if (!replaying) { | |
353 | bool existed; | |
354 | *outfd = fdcache.add(oid, fd, &existed); | |
355 | if (existed) { | |
356 | TEMP_FAILURE_RETRY(::close(fd)); | |
357 | } | |
358 | } else { | |
359 | *outfd = std::make_shared<FDCache::FD>(fd); | |
360 | } | |
361 | ||
362 | if (need_lock) { | |
9f95a23c | 363 | ((*index).index)->access_lock.unlock(); |
7c673cae FG |
364 | } |
365 | ||
366 | return 0; | |
367 | ||
368 | fail: | |
369 | ||
370 | if (need_lock) { | |
9f95a23c | 371 | ((*index).index)->access_lock.unlock(); |
7c673cae FG |
372 | } |
373 | ||
11fdf7f2 | 374 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
375 | return r; |
376 | } | |
377 | ||
378 | void FileStore::lfn_close(FDRef fd) | |
379 | { | |
380 | } | |
381 | ||
382 | int FileStore::lfn_link(const coll_t& c, const coll_t& newcid, const ghobject_t& o, const ghobject_t& newoid) | |
383 | { | |
384 | Index index_new, index_old; | |
385 | IndexedPath path_new, path_old; | |
386 | int exist; | |
387 | int r; | |
388 | bool index_same = false; | |
389 | if (c < newcid) { | |
390 | r = get_index(newcid, &index_new); | |
391 | if (r < 0) | |
392 | return r; | |
393 | r = get_index(c, &index_old); | |
394 | if (r < 0) | |
395 | return r; | |
396 | } else if (c == newcid) { | |
397 | r = get_index(c, &index_old); | |
398 | if (r < 0) | |
399 | return r; | |
400 | index_new = index_old; | |
401 | index_same = true; | |
402 | } else { | |
403 | r = get_index(c, &index_old); | |
404 | if (r < 0) | |
405 | return r; | |
406 | r = get_index(newcid, &index_new); | |
407 | if (r < 0) | |
408 | return r; | |
409 | } | |
410 | ||
11fdf7f2 TL |
411 | ceph_assert(index_old.index); |
412 | ceph_assert(index_new.index); | |
7c673cae FG |
413 | |
414 | if (!index_same) { | |
415 | ||
9f95a23c | 416 | std::shared_lock l1{(index_old.index)->access_lock}; |
7c673cae FG |
417 | |
418 | r = index_old->lookup(o, &path_old, &exist); | |
419 | if (r < 0) { | |
11fdf7f2 | 420 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
421 | return r; |
422 | } | |
423 | if (!exist) | |
424 | return -ENOENT; | |
425 | ||
9f95a23c | 426 | std::unique_lock l2{(index_new.index)->access_lock}; |
7c673cae FG |
427 | |
428 | r = index_new->lookup(newoid, &path_new, &exist); | |
429 | if (r < 0) { | |
11fdf7f2 | 430 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
431 | return r; |
432 | } | |
433 | if (exist) | |
434 | return -EEXIST; | |
435 | ||
31f18b77 FG |
436 | dout(25) << __FUNC__ << ": path_old: " << path_old << dendl; |
437 | dout(25) << __FUNC__ << ": path_new: " << path_new << dendl; | |
7c673cae FG |
438 | r = ::link(path_old->path(), path_new->path()); |
439 | if (r < 0) | |
440 | return -errno; | |
441 | ||
442 | r = index_new->created(newoid, path_new->path()); | |
443 | if (r < 0) { | |
11fdf7f2 | 444 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
445 | return r; |
446 | } | |
447 | } else { | |
9f95a23c | 448 | std::unique_lock l1{(index_old.index)->access_lock}; |
7c673cae FG |
449 | |
450 | r = index_old->lookup(o, &path_old, &exist); | |
451 | if (r < 0) { | |
11fdf7f2 | 452 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
453 | return r; |
454 | } | |
455 | if (!exist) | |
456 | return -ENOENT; | |
457 | ||
458 | r = index_new->lookup(newoid, &path_new, &exist); | |
459 | if (r < 0) { | |
11fdf7f2 | 460 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
461 | return r; |
462 | } | |
463 | if (exist) | |
464 | return -EEXIST; | |
465 | ||
31f18b77 FG |
466 | dout(25) << __FUNC__ << ": path_old: " << path_old << dendl; |
467 | dout(25) << __FUNC__ << ": path_new: " << path_new << dendl; | |
7c673cae FG |
468 | r = ::link(path_old->path(), path_new->path()); |
469 | if (r < 0) | |
470 | return -errno; | |
471 | ||
472 | // make sure old fd for unlinked/overwritten file is gone | |
473 | fdcache.clear(newoid); | |
474 | ||
475 | r = index_new->created(newoid, path_new->path()); | |
476 | if (r < 0) { | |
11fdf7f2 | 477 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
478 | return r; |
479 | } | |
480 | } | |
481 | return 0; | |
482 | } | |
483 | ||
484 | int FileStore::lfn_unlink(const coll_t& cid, const ghobject_t& o, | |
485 | const SequencerPosition &spos, | |
486 | bool force_clear_omap) | |
487 | { | |
488 | Index index; | |
489 | int r = get_index(cid, &index); | |
490 | if (r < 0) { | |
31f18b77 | 491 | dout(25) << __FUNC__ << ": get_index failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
492 | return r; |
493 | } | |
494 | ||
11fdf7f2 | 495 | ceph_assert(index.index); |
9f95a23c | 496 | std::unique_lock l{(index.index)->access_lock}; |
7c673cae FG |
497 | |
498 | { | |
499 | IndexedPath path; | |
500 | int hardlink; | |
501 | r = index->lookup(o, &path, &hardlink); | |
502 | if (r < 0) { | |
11fdf7f2 | 503 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
504 | return r; |
505 | } | |
506 | ||
507 | if (!force_clear_omap) { | |
508 | if (hardlink == 0 || hardlink == 1) { | |
509 | force_clear_omap = true; | |
510 | } | |
511 | } | |
512 | if (force_clear_omap) { | |
31f18b77 | 513 | dout(20) << __FUNC__ << ": clearing omap on " << o |
7c673cae FG |
514 | << " in cid " << cid << dendl; |
515 | r = object_map->clear(o, &spos); | |
516 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 517 | dout(25) << __FUNC__ << ": omap clear failed " << cpp_strerror(r) << dendl; |
11fdf7f2 | 518 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
519 | return r; |
520 | } | |
521 | if (cct->_conf->filestore_debug_inject_read_err) { | |
522 | debug_obj_on_delete(o); | |
523 | } | |
524 | if (!m_disable_wbthrottle) { | |
525 | wbthrottle.clear_object(o); // should be only non-cache ref | |
526 | } | |
527 | fdcache.clear(o); | |
528 | } else { | |
529 | /* Ensure that replay of this op doesn't result in the object_map | |
530 | * going away. | |
531 | */ | |
532 | if (!backend->can_checkpoint()) | |
533 | object_map->sync(&o, &spos); | |
534 | } | |
535 | if (hardlink == 0) { | |
536 | if (!m_disable_wbthrottle) { | |
537 | wbthrottle.clear_object(o); // should be only non-cache ref | |
538 | } | |
539 | return 0; | |
540 | } | |
541 | } | |
542 | r = index->unlink(o); | |
543 | if (r < 0) { | |
31f18b77 | 544 | dout(25) << __FUNC__ << ": index unlink failed " << cpp_strerror(r) << dendl; |
7c673cae FG |
545 | return r; |
546 | } | |
547 | return 0; | |
548 | } | |
549 | ||
550 | FileStore::FileStore(CephContext* cct, const std::string &base, | |
551 | const std::string &jdev, osflagbits_t flags, | |
552 | const char *name, bool do_update) : | |
553 | JournalingObjectStore(cct, base), | |
554 | internal_name(name), | |
555 | basedir(base), journalpath(jdev), | |
556 | generic_flags(flags), | |
557 | blk_size(0), | |
558 | fsid_fd(-1), op_fd(-1), | |
559 | basedir_fd(-1), current_fd(-1), | |
11fdf7f2 | 560 | backend(nullptr), |
7c673cae | 561 | index_manager(cct, do_update), |
7c673cae | 562 | force_sync(false), |
7c673cae FG |
563 | timer(cct, sync_entry_timeo_lock), |
564 | stop(false), sync_thread(this), | |
565 | fdcache(cct), | |
566 | wbthrottle(cct), | |
567 | next_osr_id(0), | |
568 | m_disable_wbthrottle(cct->_conf->filestore_odsync_write || | |
569 | !cct->_conf->filestore_wbthrottle_enable), | |
570 | throttle_ops(cct, "filestore_ops", cct->_conf->filestore_caller_concurrency), | |
571 | throttle_bytes(cct, "filestore_bytes", cct->_conf->filestore_caller_concurrency), | |
572 | m_ondisk_finisher_num(cct->_conf->filestore_ondisk_finisher_threads), | |
573 | m_apply_finisher_num(cct->_conf->filestore_apply_finisher_threads), | |
574 | op_tp(cct, "FileStore::op_tp", "tp_fstore_op", cct->_conf->filestore_op_threads, "filestore_op_threads"), | |
f67539c2 TL |
575 | op_wq(this, |
576 | ceph::make_timespan(cct->_conf->filestore_op_thread_timeout), | |
577 | ceph::make_timespan(cct->_conf->filestore_op_thread_suicide_timeout), | |
578 | &op_tp), | |
11fdf7f2 | 579 | logger(nullptr), |
7c673cae | 580 | trace_endpoint("0.0.0.0", 0, "FileStore"), |
7c673cae FG |
581 | m_filestore_commit_timeout(cct->_conf->filestore_commit_timeout), |
582 | m_filestore_journal_parallel(cct->_conf->filestore_journal_parallel ), | |
583 | m_filestore_journal_trailing(cct->_conf->filestore_journal_trailing), | |
584 | m_filestore_journal_writeahead(cct->_conf->filestore_journal_writeahead), | |
585 | m_filestore_fiemap_threshold(cct->_conf->filestore_fiemap_threshold), | |
586 | m_filestore_max_sync_interval(cct->_conf->filestore_max_sync_interval), | |
587 | m_filestore_min_sync_interval(cct->_conf->filestore_min_sync_interval), | |
588 | m_filestore_fail_eio(cct->_conf->filestore_fail_eio), | |
589 | m_filestore_fadvise(cct->_conf->filestore_fadvise), | |
590 | do_update(do_update), | |
591 | m_journal_dio(cct->_conf->journal_dio), | |
592 | m_journal_aio(cct->_conf->journal_aio), | |
593 | m_journal_force_aio(cct->_conf->journal_force_aio), | |
594 | m_osd_rollback_to_cluster_snap(cct->_conf->osd_rollback_to_cluster_snap), | |
595 | m_osd_use_stale_snap(cct->_conf->osd_use_stale_snap), | |
596 | m_filestore_do_dump(false), | |
597 | m_filestore_dump_fmt(true), | |
598 | m_filestore_sloppy_crc(cct->_conf->filestore_sloppy_crc), | |
599 | m_filestore_sloppy_crc_block_size(cct->_conf->filestore_sloppy_crc_block_size), | |
600 | m_filestore_max_alloc_hint_size(cct->_conf->filestore_max_alloc_hint_size), | |
601 | m_fs_type(0), | |
602 | m_filestore_max_inline_xattr_size(0), | |
603 | m_filestore_max_inline_xattrs(0), | |
604 | m_filestore_max_xattr_value_size(0) | |
605 | { | |
31f18b77 | 606 | m_filestore_kill_at = cct->_conf->filestore_kill_at; |
7c673cae FG |
607 | for (int i = 0; i < m_ondisk_finisher_num; ++i) { |
608 | ostringstream oss; | |
609 | oss << "filestore-ondisk-" << i; | |
610 | Finisher *f = new Finisher(cct, oss.str(), "fn_odsk_fstore"); | |
611 | ondisk_finishers.push_back(f); | |
612 | } | |
613 | for (int i = 0; i < m_apply_finisher_num; ++i) { | |
614 | ostringstream oss; | |
615 | oss << "filestore-apply-" << i; | |
616 | Finisher *f = new Finisher(cct, oss.str(), "fn_appl_fstore"); | |
617 | apply_finishers.push_back(f); | |
618 | } | |
619 | ||
620 | ostringstream oss; | |
621 | oss << basedir << "/current"; | |
622 | current_fn = oss.str(); | |
623 | ||
624 | ostringstream sss; | |
625 | sss << basedir << "/current/commit_op_seq"; | |
626 | current_op_seq_fn = sss.str(); | |
627 | ||
628 | ostringstream omss; | |
629 | if (cct->_conf->filestore_omap_backend_path != "") { | |
630 | omap_dir = cct->_conf->filestore_omap_backend_path; | |
631 | } else { | |
632 | omss << basedir << "/current/omap"; | |
633 | omap_dir = omss.str(); | |
634 | } | |
635 | ||
636 | // initialize logger | |
637 | PerfCountersBuilder plb(cct, internal_name, l_filestore_first, l_filestore_last); | |
638 | ||
639 | plb.add_u64(l_filestore_journal_queue_ops, "journal_queue_ops", "Operations in journal queue"); | |
640 | plb.add_u64(l_filestore_journal_ops, "journal_ops", "Active journal entries to be applied"); | |
641 | plb.add_u64(l_filestore_journal_queue_bytes, "journal_queue_bytes", "Size of journal queue"); | |
642 | plb.add_u64(l_filestore_journal_bytes, "journal_bytes", "Active journal operation size to be applied"); | |
28e407b8 AA |
643 | plb.add_time_avg(l_filestore_journal_latency, "journal_latency", "Average journal queue completing latency", |
644 | NULL, PerfCountersBuilder::PRIO_USEFUL); | |
7c673cae FG |
645 | plb.add_u64_counter(l_filestore_journal_wr, "journal_wr", "Journal write IOs"); |
646 | plb.add_u64_avg(l_filestore_journal_wr_bytes, "journal_wr_bytes", "Journal data written"); | |
647 | plb.add_u64(l_filestore_op_queue_max_ops, "op_queue_max_ops", "Max operations in writing to FS queue"); | |
648 | plb.add_u64(l_filestore_op_queue_ops, "op_queue_ops", "Operations in writing to FS queue"); | |
649 | plb.add_u64_counter(l_filestore_ops, "ops", "Operations written to store"); | |
650 | plb.add_u64(l_filestore_op_queue_max_bytes, "op_queue_max_bytes", "Max data in writing to FS queue"); | |
651 | plb.add_u64(l_filestore_op_queue_bytes, "op_queue_bytes", "Size of writing to FS queue"); | |
652 | plb.add_u64_counter(l_filestore_bytes, "bytes", "Data written to store"); | |
653 | plb.add_time_avg(l_filestore_apply_latency, "apply_latency", "Apply latency"); | |
654 | plb.add_u64(l_filestore_committing, "committing", "Is currently committing"); | |
655 | ||
656 | plb.add_u64_counter(l_filestore_commitcycle, "commitcycle", "Commit cycles"); | |
657 | plb.add_time_avg(l_filestore_commitcycle_interval, "commitcycle_interval", "Average interval between commits"); | |
658 | plb.add_time_avg(l_filestore_commitcycle_latency, "commitcycle_latency", "Average latency of commit"); | |
659 | plb.add_u64_counter(l_filestore_journal_full, "journal_full", "Journal writes while full"); | |
28e407b8 AA |
660 | plb.add_time_avg(l_filestore_queue_transaction_latency_avg, "queue_transaction_latency_avg", |
661 | "Store operation queue latency", NULL, PerfCountersBuilder::PRIO_USEFUL); | |
224ce89b | 662 | plb.add_time(l_filestore_sync_pause_max_lat, "sync_pause_max_latency", "Max latency of op_wq pause before syncfs"); |
7c673cae FG |
663 | |
664 | logger = plb.create_perf_counters(); | |
665 | ||
666 | cct->get_perfcounters_collection()->add(logger); | |
11fdf7f2 | 667 | cct->_conf.add_observer(this); |
7c673cae FG |
668 | |
669 | superblock.compat_features = get_fs_initial_compat_set(); | |
670 | } | |
671 | ||
672 | FileStore::~FileStore() | |
673 | { | |
f67539c2 | 674 | for (auto it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { |
7c673cae | 675 | delete *it; |
11fdf7f2 | 676 | *it = nullptr; |
7c673cae | 677 | } |
f67539c2 | 678 | for (auto it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { |
7c673cae | 679 | delete *it; |
11fdf7f2 | 680 | *it = nullptr; |
7c673cae | 681 | } |
11fdf7f2 | 682 | cct->_conf.remove_observer(this); |
7c673cae FG |
683 | cct->get_perfcounters_collection()->remove(logger); |
684 | ||
685 | if (journal) | |
11fdf7f2 | 686 | journal->logger = nullptr; |
7c673cae | 687 | delete logger; |
11fdf7f2 | 688 | logger = nullptr; |
7c673cae FG |
689 | |
690 | if (m_filestore_do_dump) { | |
691 | dump_stop(); | |
692 | } | |
693 | } | |
694 | ||
695 | static void get_attrname(const char *name, char *buf, int len) | |
696 | { | |
697 | snprintf(buf, len, "user.ceph.%s", name); | |
698 | } | |
699 | ||
700 | bool parse_attrname(char **name) | |
701 | { | |
702 | if (strncmp(*name, "user.ceph.", 10) == 0) { | |
703 | *name += 10; | |
704 | return true; | |
705 | } | |
706 | return false; | |
707 | } | |
708 | ||
709 | void FileStore::collect_metadata(map<string,string> *pm) | |
710 | { | |
711 | char partition_path[PATH_MAX]; | |
712 | char dev_node[PATH_MAX]; | |
7c673cae FG |
713 | |
714 | (*pm)["filestore_backend"] = backend->get_name(); | |
715 | ostringstream ss; | |
716 | ss << "0x" << std::hex << m_fs_type << std::dec; | |
717 | (*pm)["filestore_f_type"] = ss.str(); | |
718 | ||
719 | if (cct->_conf->filestore_collect_device_partition_information) { | |
11fdf7f2 TL |
720 | int rc = 0; |
721 | BlkDev blkdev(fsid_fd); | |
722 | if (rc = blkdev.partition(partition_path, PATH_MAX); rc) { | |
7c673cae | 723 | (*pm)["backend_filestore_partition_path"] = "unknown"; |
11fdf7f2 | 724 | } else { |
7c673cae | 725 | (*pm)["backend_filestore_partition_path"] = string(partition_path); |
11fdf7f2 TL |
726 | } |
727 | if (rc = blkdev.wholedisk(dev_node, PATH_MAX); rc) { | |
7c673cae | 728 | (*pm)["backend_filestore_dev_node"] = "unknown"; |
11fdf7f2 | 729 | } else { |
7c673cae | 730 | (*pm)["backend_filestore_dev_node"] = string(dev_node); |
11fdf7f2 TL |
731 | devname = dev_node; |
732 | } | |
733 | if (rc == 0 && vdo_fd >= 0) { | |
734 | (*pm)["vdo"] = "true"; | |
735 | (*pm)["vdo_physical_size"] = | |
736 | stringify(4096 * get_vdo_stat(vdo_fd, "physical_blocks")); | |
737 | } | |
738 | if (journal) { | |
739 | journal->collect_metadata(pm); | |
740 | } | |
7c673cae FG |
741 | } |
742 | } | |
743 | ||
11fdf7f2 TL |
744 | int FileStore::get_devices(set<string> *ls) |
745 | { | |
746 | string dev_node; | |
747 | BlkDev blkdev(fsid_fd); | |
748 | if (int rc = blkdev.wholedisk(&dev_node); rc) { | |
749 | return rc; | |
750 | } | |
751 | get_raw_devices(dev_node, ls); | |
752 | if (journal) { | |
753 | journal->get_devices(ls); | |
754 | } | |
755 | return 0; | |
756 | } | |
757 | ||
758 | int FileStore::statfs(struct store_statfs_t *buf0, osd_alert_list_t* alerts) | |
7c673cae FG |
759 | { |
760 | struct statfs buf; | |
761 | buf0->reset(); | |
11fdf7f2 TL |
762 | if (alerts) { |
763 | alerts->clear(); // returns nothing for now | |
764 | } | |
7c673cae FG |
765 | if (::statfs(basedir.c_str(), &buf) < 0) { |
766 | int r = -errno; | |
11fdf7f2 TL |
767 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
768 | ceph_assert(r != -ENOENT); | |
7c673cae FG |
769 | return r; |
770 | } | |
11fdf7f2 TL |
771 | |
772 | uint64_t bfree = buf.f_bavail * buf.f_bsize; | |
773 | ||
774 | // assume all of leveldb/rocksdb is omap. | |
775 | { | |
776 | map<string,uint64_t> kv_usage; | |
777 | buf0->omap_allocated += object_map->get_db()->get_estimated_size(kv_usage); | |
778 | } | |
779 | ||
780 | uint64_t thin_total, thin_avail; | |
781 | if (get_vdo_utilization(vdo_fd, &thin_total, &thin_avail)) { | |
782 | buf0->total = thin_total; | |
783 | bfree = std::min(bfree, thin_avail); | |
784 | buf0->allocated = thin_total - thin_avail; | |
785 | buf0->data_stored = bfree; | |
786 | } else { | |
787 | buf0->total = buf.f_blocks * buf.f_bsize; | |
788 | buf0->allocated = bfree; | |
789 | buf0->data_stored = bfree; | |
790 | } | |
791 | buf0->available = bfree; | |
792 | ||
793 | // FIXME: we don't know how to populate buf->internal_metadata; XFS doesn't | |
794 | // tell us what its internal overhead is. | |
795 | ||
7c673cae FG |
796 | // Adjust for writes pending in the journal |
797 | if (journal) { | |
798 | uint64_t estimate = journal->get_journal_size_estimate(); | |
11fdf7f2 | 799 | buf0->internally_reserved = estimate; |
7c673cae FG |
800 | if (buf0->available > estimate) |
801 | buf0->available -= estimate; | |
802 | else | |
803 | buf0->available = 0; | |
804 | } | |
11fdf7f2 | 805 | |
7c673cae FG |
806 | return 0; |
807 | } | |
808 | ||
9f95a23c TL |
809 | int FileStore::pool_statfs(uint64_t pool_id, struct store_statfs_t *buf, |
810 | bool *per_pool_omap) | |
11fdf7f2 TL |
811 | { |
812 | return -ENOTSUP; | |
813 | } | |
7c673cae FG |
814 | |
815 | void FileStore::new_journal() | |
816 | { | |
817 | if (journalpath.length()) { | |
818 | dout(10) << "open_journal at " << journalpath << dendl; | |
819 | journal = new FileJournal(cct, fsid, &finisher, &sync_cond, | |
820 | journalpath.c_str(), | |
821 | m_journal_dio, m_journal_aio, | |
822 | m_journal_force_aio); | |
823 | if (journal) | |
824 | journal->logger = logger; | |
825 | } | |
826 | return; | |
827 | } | |
828 | ||
829 | int FileStore::dump_journal(ostream& out) | |
830 | { | |
831 | int r; | |
832 | ||
833 | if (!journalpath.length()) | |
834 | return -EINVAL; | |
835 | ||
836 | FileJournal *journal = new FileJournal(cct, fsid, &finisher, &sync_cond, journalpath.c_str(), m_journal_dio); | |
837 | r = journal->dump(out); | |
838 | delete journal; | |
11fdf7f2 | 839 | journal = nullptr; |
7c673cae FG |
840 | return r; |
841 | } | |
842 | ||
11fdf7f2 | 843 | FileStoreBackend *FileStoreBackend::create(unsigned long f_type, FileStore *fs) |
7c673cae FG |
844 | { |
845 | switch (f_type) { | |
846 | #if defined(__linux__) | |
847 | case BTRFS_SUPER_MAGIC: | |
848 | return new BtrfsFileStoreBackend(fs); | |
849 | # ifdef HAVE_LIBXFS | |
850 | case XFS_SUPER_MAGIC: | |
851 | return new XfsFileStoreBackend(fs); | |
852 | # endif | |
853 | #endif | |
854 | #ifdef HAVE_LIBZFS | |
855 | case ZFS_SUPER_MAGIC: | |
856 | return new ZFSFileStoreBackend(fs); | |
857 | #endif | |
858 | default: | |
859 | return new GenericFileStoreBackend(fs); | |
860 | } | |
861 | } | |
862 | ||
11fdf7f2 | 863 | void FileStore::create_backend(unsigned long f_type) |
7c673cae FG |
864 | { |
865 | m_fs_type = f_type; | |
866 | ||
11fdf7f2 | 867 | ceph_assert(!backend); |
7c673cae FG |
868 | backend = FileStoreBackend::create(f_type, this); |
869 | ||
870 | dout(0) << "backend " << backend->get_name() | |
871 | << " (magic 0x" << std::hex << f_type << std::dec << ")" | |
872 | << dendl; | |
873 | ||
874 | switch (f_type) { | |
875 | #if defined(__linux__) | |
876 | case BTRFS_SUPER_MAGIC: | |
877 | if (!m_disable_wbthrottle){ | |
878 | wbthrottle.set_fs(WBThrottle::BTRFS); | |
879 | } | |
880 | break; | |
881 | ||
882 | case XFS_SUPER_MAGIC: | |
883 | // wbthrottle is constructed with fs(WBThrottle::XFS) | |
884 | break; | |
885 | #endif | |
886 | } | |
887 | ||
888 | set_xattr_limits_via_conf(); | |
889 | } | |
890 | ||
891 | int FileStore::mkfs() | |
892 | { | |
893 | int ret = 0; | |
894 | char fsid_fn[PATH_MAX]; | |
895 | char fsid_str[40]; | |
896 | uuid_d old_fsid; | |
897 | uuid_d old_omap_fsid; | |
898 | ||
899 | dout(1) << "mkfs in " << basedir << dendl; | |
91327a77 | 900 | basedir_fd = ::open(basedir.c_str(), O_RDONLY|O_CLOEXEC); |
7c673cae FG |
901 | if (basedir_fd < 0) { |
902 | ret = -errno; | |
224ce89b | 903 | derr << __FUNC__ << ": failed to open base dir " << basedir << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
904 | return ret; |
905 | } | |
906 | ||
907 | // open+lock fsid | |
908 | snprintf(fsid_fn, sizeof(fsid_fn), "%s/fsid", basedir.c_str()); | |
91327a77 | 909 | fsid_fd = ::open(fsid_fn, O_RDWR|O_CREAT|O_CLOEXEC, 0644); |
7c673cae FG |
910 | if (fsid_fd < 0) { |
911 | ret = -errno; | |
224ce89b | 912 | derr << __FUNC__ << ": failed to open " << fsid_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
913 | goto close_basedir_fd; |
914 | } | |
915 | ||
916 | if (lock_fsid() < 0) { | |
917 | ret = -EBUSY; | |
918 | goto close_fsid_fd; | |
919 | } | |
920 | ||
921 | if (read_fsid(fsid_fd, &old_fsid) < 0 || old_fsid.is_zero()) { | |
922 | if (fsid.is_zero()) { | |
923 | fsid.generate_random(); | |
224ce89b | 924 | dout(1) << __FUNC__ << ": generated fsid " << fsid << dendl; |
7c673cae | 925 | } else { |
224ce89b | 926 | dout(1) << __FUNC__ << ": using provided fsid " << fsid << dendl; |
7c673cae FG |
927 | } |
928 | ||
929 | fsid.print(fsid_str); | |
930 | strcat(fsid_str, "\n"); | |
931 | ret = ::ftruncate(fsid_fd, 0); | |
932 | if (ret < 0) { | |
933 | ret = -errno; | |
31f18b77 | 934 | derr << __FUNC__ << ": failed to truncate fsid: " |
7c673cae FG |
935 | << cpp_strerror(ret) << dendl; |
936 | goto close_fsid_fd; | |
937 | } | |
938 | ret = safe_write(fsid_fd, fsid_str, strlen(fsid_str)); | |
939 | if (ret < 0) { | |
31f18b77 | 940 | derr << __FUNC__ << ": failed to write fsid: " |
7c673cae FG |
941 | << cpp_strerror(ret) << dendl; |
942 | goto close_fsid_fd; | |
943 | } | |
944 | if (::fsync(fsid_fd) < 0) { | |
945 | ret = -errno; | |
31f18b77 | 946 | derr << __FUNC__ << ": close failed: can't write fsid: " |
7c673cae FG |
947 | << cpp_strerror(ret) << dendl; |
948 | goto close_fsid_fd; | |
949 | } | |
224ce89b | 950 | dout(10) << __FUNC__ << ": fsid is " << fsid << dendl; |
7c673cae FG |
951 | } else { |
952 | if (!fsid.is_zero() && fsid != old_fsid) { | |
31f18b77 | 953 | derr << __FUNC__ << ": on-disk fsid " << old_fsid << " != provided " << fsid << dendl; |
7c673cae FG |
954 | ret = -EINVAL; |
955 | goto close_fsid_fd; | |
956 | } | |
957 | fsid = old_fsid; | |
31f18b77 | 958 | dout(1) << __FUNC__ << ": fsid is already set to " << fsid << dendl; |
7c673cae FG |
959 | } |
960 | ||
961 | // version stamp | |
962 | ret = write_version_stamp(); | |
963 | if (ret < 0) { | |
31f18b77 | 964 | derr << __FUNC__ << ": write_version_stamp() failed: " |
7c673cae FG |
965 | << cpp_strerror(ret) << dendl; |
966 | goto close_fsid_fd; | |
967 | } | |
968 | ||
969 | // superblock | |
970 | superblock.omap_backend = cct->_conf->filestore_omap_backend; | |
971 | ret = write_superblock(); | |
972 | if (ret < 0) { | |
31f18b77 | 973 | derr << __FUNC__ << ": write_superblock() failed: " |
7c673cae FG |
974 | << cpp_strerror(ret) << dendl; |
975 | goto close_fsid_fd; | |
976 | } | |
977 | ||
978 | struct statfs basefs; | |
979 | ret = ::fstatfs(basedir_fd, &basefs); | |
980 | if (ret < 0) { | |
981 | ret = -errno; | |
31f18b77 | 982 | derr << __FUNC__ << ": cannot fstatfs basedir " |
7c673cae FG |
983 | << cpp_strerror(ret) << dendl; |
984 | goto close_fsid_fd; | |
985 | } | |
986 | ||
224ce89b WB |
987 | #if defined(__linux__) |
988 | if (basefs.f_type == BTRFS_SUPER_MAGIC && | |
989 | !g_ceph_context->check_experimental_feature_enabled("btrfs")) { | |
990 | derr << __FUNC__ << ": deprecated btrfs support is not enabled" << dendl; | |
991 | goto close_fsid_fd; | |
992 | } | |
993 | #endif | |
994 | ||
7c673cae FG |
995 | create_backend(basefs.f_type); |
996 | ||
997 | ret = backend->create_current(); | |
998 | if (ret < 0) { | |
31f18b77 | 999 | derr << __FUNC__ << ": failed to create current/ " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1000 | goto close_fsid_fd; |
1001 | } | |
1002 | ||
1003 | // write initial op_seq | |
1004 | { | |
1005 | uint64_t initial_seq = 0; | |
1006 | int fd = read_op_seq(&initial_seq); | |
1007 | if (fd < 0) { | |
1008 | ret = fd; | |
31f18b77 | 1009 | derr << __FUNC__ << ": failed to create " << current_op_seq_fn << ": " |
7c673cae FG |
1010 | << cpp_strerror(ret) << dendl; |
1011 | goto close_fsid_fd; | |
1012 | } | |
1013 | if (initial_seq == 0) { | |
1014 | ret = write_op_seq(fd, 1); | |
1015 | if (ret < 0) { | |
1016 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 1017 | derr << __FUNC__ << ": failed to write to " << current_op_seq_fn << ": " |
7c673cae FG |
1018 | << cpp_strerror(ret) << dendl; |
1019 | goto close_fsid_fd; | |
1020 | } | |
1021 | ||
1022 | if (backend->can_checkpoint()) { | |
1023 | // create snap_1 too | |
91327a77 | 1024 | current_fd = ::open(current_fn.c_str(), O_RDONLY|O_CLOEXEC); |
11fdf7f2 | 1025 | ceph_assert(current_fd >= 0); |
7c673cae FG |
1026 | char s[NAME_MAX]; |
1027 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, 1ull); | |
11fdf7f2 | 1028 | ret = backend->create_checkpoint(s, nullptr); |
7c673cae FG |
1029 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); |
1030 | if (ret < 0 && ret != -EEXIST) { | |
1031 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 1032 | derr << __FUNC__ << ": failed to create snap_1: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1033 | goto close_fsid_fd; |
1034 | } | |
1035 | } | |
1036 | } | |
1037 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1038 | } | |
1039 | ret = KeyValueDB::test_init(superblock.omap_backend, omap_dir); | |
1040 | if (ret < 0) { | |
31f18b77 | 1041 | derr << __FUNC__ << ": failed to create " << cct->_conf->filestore_omap_backend << dendl; |
7c673cae FG |
1042 | goto close_fsid_fd; |
1043 | } | |
1044 | // create fsid under omap | |
1045 | // open+lock fsid | |
1046 | int omap_fsid_fd; | |
1047 | char omap_fsid_fn[PATH_MAX]; | |
1048 | snprintf(omap_fsid_fn, sizeof(omap_fsid_fn), "%s/osd_uuid", omap_dir.c_str()); | |
91327a77 | 1049 | omap_fsid_fd = ::open(omap_fsid_fn, O_RDWR|O_CREAT|O_CLOEXEC, 0644); |
7c673cae FG |
1050 | if (omap_fsid_fd < 0) { |
1051 | ret = -errno; | |
31f18b77 | 1052 | derr << __FUNC__ << ": failed to open " << omap_fsid_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1053 | goto close_fsid_fd; |
1054 | } | |
1055 | ||
1056 | if (read_fsid(omap_fsid_fd, &old_omap_fsid) < 0 || old_omap_fsid.is_zero()) { | |
11fdf7f2 | 1057 | ceph_assert(!fsid.is_zero()); |
7c673cae FG |
1058 | fsid.print(fsid_str); |
1059 | strcat(fsid_str, "\n"); | |
1060 | ret = ::ftruncate(omap_fsid_fd, 0); | |
1061 | if (ret < 0) { | |
1062 | ret = -errno; | |
31f18b77 | 1063 | derr << __FUNC__ << ": failed to truncate fsid: " |
7c673cae FG |
1064 | << cpp_strerror(ret) << dendl; |
1065 | goto close_omap_fsid_fd; | |
1066 | } | |
1067 | ret = safe_write(omap_fsid_fd, fsid_str, strlen(fsid_str)); | |
1068 | if (ret < 0) { | |
31f18b77 | 1069 | derr << __FUNC__ << ": failed to write fsid: " |
7c673cae FG |
1070 | << cpp_strerror(ret) << dendl; |
1071 | goto close_omap_fsid_fd; | |
1072 | } | |
31f18b77 | 1073 | dout(10) << __FUNC__ << ": write success, fsid:" << fsid_str << ", ret:" << ret << dendl; |
7c673cae FG |
1074 | if (::fsync(omap_fsid_fd) < 0) { |
1075 | ret = -errno; | |
31f18b77 | 1076 | derr << __FUNC__ << ": close failed: can't write fsid: " |
7c673cae FG |
1077 | << cpp_strerror(ret) << dendl; |
1078 | goto close_omap_fsid_fd; | |
1079 | } | |
1080 | dout(10) << "mkfs omap fsid is " << fsid << dendl; | |
1081 | } else { | |
1082 | if (fsid != old_omap_fsid) { | |
31f18b77 | 1083 | derr << __FUNC__ << ": " << omap_fsid_fn |
7c673cae FG |
1084 | << " has existed omap fsid " << old_omap_fsid |
1085 | << " != expected osd fsid " << fsid | |
1086 | << dendl; | |
1087 | ret = -EINVAL; | |
1088 | goto close_omap_fsid_fd; | |
1089 | } | |
31f18b77 | 1090 | dout(1) << __FUNC__ << ": omap fsid is already set to " << fsid << dendl; |
7c673cae FG |
1091 | } |
1092 | ||
1093 | dout(1) << cct->_conf->filestore_omap_backend << " db exists/created" << dendl; | |
1094 | ||
1095 | // journal? | |
1096 | ret = mkjournal(); | |
1097 | if (ret) | |
1098 | goto close_omap_fsid_fd; | |
1099 | ||
1100 | ret = write_meta("type", "filestore"); | |
1101 | if (ret) | |
1102 | goto close_omap_fsid_fd; | |
1103 | ||
1104 | dout(1) << "mkfs done in " << basedir << dendl; | |
1105 | ret = 0; | |
1106 | ||
1107 | close_omap_fsid_fd: | |
1108 | VOID_TEMP_FAILURE_RETRY(::close(omap_fsid_fd)); | |
1109 | close_fsid_fd: | |
1110 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1111 | fsid_fd = -1; | |
1112 | close_basedir_fd: | |
1113 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
1114 | delete backend; | |
11fdf7f2 | 1115 | backend = nullptr; |
7c673cae FG |
1116 | return ret; |
1117 | } | |
1118 | ||
1119 | int FileStore::mkjournal() | |
1120 | { | |
1121 | // read fsid | |
1122 | int ret; | |
1123 | char fn[PATH_MAX]; | |
1124 | snprintf(fn, sizeof(fn), "%s/fsid", basedir.c_str()); | |
91327a77 | 1125 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC, 0644); |
7c673cae FG |
1126 | if (fd < 0) { |
1127 | int err = errno; | |
31f18b77 | 1128 | derr << __FUNC__ << ": open error: " << cpp_strerror(err) << dendl; |
7c673cae FG |
1129 | return -err; |
1130 | } | |
1131 | ret = read_fsid(fd, &fsid); | |
1132 | if (ret < 0) { | |
31f18b77 | 1133 | derr << __FUNC__ << ": read error: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1134 | VOID_TEMP_FAILURE_RETRY(::close(fd)); |
1135 | return ret; | |
1136 | } | |
1137 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1138 | ||
1139 | ret = 0; | |
1140 | ||
1141 | new_journal(); | |
1142 | if (journal) { | |
1143 | ret = journal->check(); | |
1144 | if (ret < 0) { | |
1145 | ret = journal->create(); | |
1146 | if (ret) | |
31f18b77 | 1147 | derr << __FUNC__ << ": error creating journal on " << journalpath |
7c673cae FG |
1148 | << ": " << cpp_strerror(ret) << dendl; |
1149 | else | |
31f18b77 | 1150 | dout(0) << __FUNC__ << ": created journal on " << journalpath << dendl; |
7c673cae FG |
1151 | } |
1152 | delete journal; | |
11fdf7f2 | 1153 | journal = nullptr; |
7c673cae FG |
1154 | } |
1155 | return ret; | |
1156 | } | |
1157 | ||
1158 | int FileStore::read_fsid(int fd, uuid_d *uuid) | |
1159 | { | |
1160 | char fsid_str[40]; | |
1161 | memset(fsid_str, 0, sizeof(fsid_str)); | |
1162 | int ret = safe_read(fd, fsid_str, sizeof(fsid_str)); | |
1163 | if (ret < 0) | |
1164 | return ret; | |
1165 | if (ret == 8) { | |
1166 | // old 64-bit fsid... mirror it. | |
1167 | *(uint64_t*)&uuid->bytes()[0] = *(uint64_t*)fsid_str; | |
1168 | *(uint64_t*)&uuid->bytes()[8] = *(uint64_t*)fsid_str; | |
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | if (ret > 36) | |
1173 | fsid_str[36] = 0; | |
1174 | else | |
1175 | fsid_str[ret] = 0; | |
1176 | if (!uuid->parse(fsid_str)) | |
1177 | return -EINVAL; | |
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | int FileStore::lock_fsid() | |
1182 | { | |
1183 | struct flock l; | |
1184 | memset(&l, 0, sizeof(l)); | |
1185 | l.l_type = F_WRLCK; | |
1186 | l.l_whence = SEEK_SET; | |
1187 | l.l_start = 0; | |
1188 | l.l_len = 0; | |
1189 | int r = ::fcntl(fsid_fd, F_SETLK, &l); | |
1190 | if (r < 0) { | |
1191 | int err = errno; | |
31f18b77 | 1192 | dout(0) << __FUNC__ << ": failed to lock " << basedir << "/fsid, is another ceph-osd still running? " |
7c673cae FG |
1193 | << cpp_strerror(err) << dendl; |
1194 | return -err; | |
1195 | } | |
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | bool FileStore::test_mount_in_use() | |
1200 | { | |
31f18b77 | 1201 | dout(5) << __FUNC__ << ": basedir " << basedir << " journal " << journalpath << dendl; |
7c673cae FG |
1202 | char fn[PATH_MAX]; |
1203 | snprintf(fn, sizeof(fn), "%s/fsid", basedir.c_str()); | |
1204 | ||
1205 | // verify fs isn't in use | |
1206 | ||
91327a77 | 1207 | fsid_fd = ::open(fn, O_RDWR|O_CLOEXEC, 0644); |
7c673cae FG |
1208 | if (fsid_fd < 0) |
1209 | return 0; // no fsid, ok. | |
1210 | bool inuse = lock_fsid() < 0; | |
1211 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
1212 | fsid_fd = -1; | |
1213 | return inuse; | |
1214 | } | |
1215 | ||
31f18b77 FG |
1216 | bool FileStore::is_rotational() |
1217 | { | |
1218 | bool rotational; | |
1219 | if (backend) { | |
1220 | rotational = backend->is_rotational(); | |
1221 | } else { | |
91327a77 | 1222 | int fd = ::open(basedir.c_str(), O_RDONLY|O_CLOEXEC); |
31f18b77 FG |
1223 | if (fd < 0) |
1224 | return true; | |
1225 | struct statfs st; | |
1226 | int r = ::fstatfs(fd, &st); | |
1227 | ::close(fd); | |
1228 | if (r < 0) { | |
1229 | return true; | |
1230 | } | |
1231 | create_backend(st.f_type); | |
1232 | rotational = backend->is_rotational(); | |
1233 | delete backend; | |
11fdf7f2 | 1234 | backend = nullptr; |
31f18b77 FG |
1235 | } |
1236 | dout(10) << __func__ << " " << (int)rotational << dendl; | |
1237 | return rotational; | |
1238 | } | |
1239 | ||
d2e6a577 FG |
1240 | bool FileStore::is_journal_rotational() |
1241 | { | |
1242 | bool journal_rotational; | |
1243 | if (backend) { | |
1244 | journal_rotational = backend->is_journal_rotational(); | |
1245 | } else { | |
91327a77 | 1246 | int fd = ::open(journalpath.c_str(), O_RDONLY|O_CLOEXEC); |
d2e6a577 FG |
1247 | if (fd < 0) |
1248 | return true; | |
1249 | struct statfs st; | |
1250 | int r = ::fstatfs(fd, &st); | |
1251 | ::close(fd); | |
1252 | if (r < 0) { | |
1253 | return true; | |
1254 | } | |
1255 | create_backend(st.f_type); | |
1256 | journal_rotational = backend->is_journal_rotational(); | |
1257 | delete backend; | |
11fdf7f2 | 1258 | backend = nullptr; |
d2e6a577 FG |
1259 | } |
1260 | dout(10) << __func__ << " " << (int)journal_rotational << dendl; | |
1261 | return journal_rotational; | |
1262 | } | |
1263 | ||
7c673cae FG |
1264 | int FileStore::_detect_fs() |
1265 | { | |
1266 | struct statfs st; | |
1267 | int r = ::fstatfs(basedir_fd, &st); | |
1268 | if (r < 0) | |
1269 | return -errno; | |
1270 | ||
1271 | blk_size = st.f_bsize; | |
1272 | ||
224ce89b WB |
1273 | #if defined(__linux__) |
1274 | if (st.f_type == BTRFS_SUPER_MAGIC && | |
1275 | !g_ceph_context->check_experimental_feature_enabled("btrfs")) { | |
1276 | derr <<__FUNC__ << ": deprecated btrfs support is not enabled" << dendl; | |
1277 | return -EPERM; | |
1278 | } | |
1279 | #endif | |
1280 | ||
7c673cae FG |
1281 | create_backend(st.f_type); |
1282 | ||
1283 | r = backend->detect_features(); | |
1284 | if (r < 0) { | |
31f18b77 | 1285 | derr << __FUNC__ << ": detect_features error: " << cpp_strerror(r) << dendl; |
7c673cae FG |
1286 | return r; |
1287 | } | |
1288 | ||
11fdf7f2 TL |
1289 | // vdo |
1290 | { | |
1291 | char dev_node[PATH_MAX]; | |
1292 | if (int rc = BlkDev{fsid_fd}.wholedisk(dev_node, PATH_MAX); rc == 0) { | |
1293 | vdo_fd = get_vdo_stats_handle(dev_node, &vdo_name); | |
1294 | if (vdo_fd >= 0) { | |
1295 | dout(0) << __func__ << " VDO volume " << vdo_name << " for " << dev_node | |
1296 | << dendl; | |
1297 | } | |
1298 | } | |
1299 | } | |
1300 | ||
7c673cae FG |
1301 | // test xattrs |
1302 | char fn[PATH_MAX]; | |
1303 | int x = rand(); | |
1304 | int y = x+1; | |
1305 | snprintf(fn, sizeof(fn), "%s/xattr_test", basedir.c_str()); | |
91327a77 | 1306 | int tmpfd = ::open(fn, O_CREAT|O_WRONLY|O_TRUNC|O_CLOEXEC, 0700); |
7c673cae FG |
1307 | if (tmpfd < 0) { |
1308 | int ret = -errno; | |
31f18b77 | 1309 | derr << __FUNC__ << ": unable to create " << fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1310 | return ret; |
1311 | } | |
1312 | ||
1313 | int ret = chain_fsetxattr(tmpfd, "user.test", &x, sizeof(x)); | |
1314 | if (ret >= 0) | |
1315 | ret = chain_fgetxattr(tmpfd, "user.test", &y, sizeof(y)); | |
1316 | if ((ret < 0) || (x != y)) { | |
1317 | derr << "Extended attributes don't appear to work. "; | |
1318 | if (ret) | |
1319 | *_dout << "Got error " + cpp_strerror(ret) + ". "; | |
1320 | *_dout << "If you are using ext3 or ext4, be sure to mount the underlying " | |
1321 | << "file system with the 'user_xattr' option." << dendl; | |
1322 | ::unlink(fn); | |
1323 | VOID_TEMP_FAILURE_RETRY(::close(tmpfd)); | |
1324 | return -ENOTSUP; | |
1325 | } | |
1326 | ||
1327 | char buf[1000]; | |
1328 | memset(buf, 0, sizeof(buf)); // shut up valgrind | |
1329 | chain_fsetxattr(tmpfd, "user.test", &buf, sizeof(buf)); | |
1330 | chain_fsetxattr(tmpfd, "user.test2", &buf, sizeof(buf)); | |
1331 | chain_fsetxattr(tmpfd, "user.test3", &buf, sizeof(buf)); | |
1332 | chain_fsetxattr(tmpfd, "user.test4", &buf, sizeof(buf)); | |
1333 | ret = chain_fsetxattr(tmpfd, "user.test5", &buf, sizeof(buf)); | |
1334 | if (ret == -ENOSPC) { | |
1335 | dout(0) << "limited size xattrs" << dendl; | |
1336 | } | |
1337 | chain_fremovexattr(tmpfd, "user.test"); | |
1338 | chain_fremovexattr(tmpfd, "user.test2"); | |
1339 | chain_fremovexattr(tmpfd, "user.test3"); | |
1340 | chain_fremovexattr(tmpfd, "user.test4"); | |
1341 | chain_fremovexattr(tmpfd, "user.test5"); | |
1342 | ||
1343 | ::unlink(fn); | |
1344 | VOID_TEMP_FAILURE_RETRY(::close(tmpfd)); | |
1345 | ||
1346 | return 0; | |
1347 | } | |
1348 | ||
1349 | int FileStore::_sanity_check_fs() | |
1350 | { | |
1351 | // sanity check(s) | |
1352 | ||
1353 | if (((int)m_filestore_journal_writeahead + | |
1354 | (int)m_filestore_journal_parallel + | |
1355 | (int)m_filestore_journal_trailing) > 1) { | |
1356 | dout(0) << "mount ERROR: more than one of filestore journal {writeahead,parallel,trailing} enabled" << dendl; | |
1357 | cerr << TEXT_RED | |
1358 | << " ** WARNING: more than one of 'filestore journal {writeahead,parallel,trailing}'\n" | |
1359 | << " is enabled in ceph.conf. You must choose a single journal mode." | |
1360 | << TEXT_NORMAL << std::endl; | |
1361 | return -EINVAL; | |
1362 | } | |
1363 | ||
1364 | if (!backend->can_checkpoint()) { | |
1365 | if (!journal || !m_filestore_journal_writeahead) { | |
1366 | dout(0) << "mount WARNING: no btrfs, and no journal in writeahead mode; data may be lost" << dendl; | |
1367 | cerr << TEXT_RED | |
1368 | << " ** WARNING: no btrfs AND (no journal OR journal not in writeahead mode)\n" | |
1369 | << " For non-btrfs volumes, a writeahead journal is required to\n" | |
1370 | << " maintain on-disk consistency in the event of a crash. Your conf\n" | |
1371 | << " should include something like:\n" | |
1372 | << " osd journal = /path/to/journal_device_or_file\n" | |
1373 | << " filestore journal writeahead = true\n" | |
1374 | << TEXT_NORMAL; | |
1375 | } | |
1376 | } | |
1377 | ||
1378 | if (!journal) { | |
1379 | dout(0) << "mount WARNING: no journal" << dendl; | |
1380 | cerr << TEXT_YELLOW | |
1381 | << " ** WARNING: No osd journal is configured: write latency may be high.\n" | |
1382 | << " If you will not be using an osd journal, write latency may be\n" | |
1383 | << " relatively high. It can be reduced somewhat by lowering\n" | |
1384 | << " filestore_max_sync_interval, but lower values mean lower write\n" | |
1385 | << " throughput, especially with spinning disks.\n" | |
1386 | << TEXT_NORMAL; | |
1387 | } | |
1388 | ||
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | int FileStore::write_superblock() | |
1393 | { | |
1394 | bufferlist bl; | |
11fdf7f2 | 1395 | encode(superblock, bl); |
7c673cae | 1396 | return safe_write_file(basedir.c_str(), "superblock", |
eafe8130 | 1397 | bl.c_str(), bl.length(), 0600); |
7c673cae FG |
1398 | } |
1399 | ||
1400 | int FileStore::read_superblock() | |
1401 | { | |
1402 | bufferptr bp(PATH_MAX); | |
1403 | int ret = safe_read_file(basedir.c_str(), "superblock", | |
1404 | bp.c_str(), bp.length()); | |
1405 | if (ret < 0) { | |
1406 | if (ret == -ENOENT) { | |
1407 | // If the file doesn't exist write initial CompatSet | |
1408 | return write_superblock(); | |
1409 | } | |
1410 | return ret; | |
1411 | } | |
1412 | ||
1413 | bufferlist bl; | |
1414 | bl.push_back(std::move(bp)); | |
11fdf7f2 TL |
1415 | auto i = bl.cbegin(); |
1416 | decode(superblock, i); | |
7c673cae FG |
1417 | return 0; |
1418 | } | |
1419 | ||
1420 | int FileStore::update_version_stamp() | |
1421 | { | |
1422 | return write_version_stamp(); | |
1423 | } | |
1424 | ||
1425 | int FileStore::version_stamp_is_valid(uint32_t *version) | |
1426 | { | |
1427 | bufferptr bp(PATH_MAX); | |
1428 | int ret = safe_read_file(basedir.c_str(), "store_version", | |
1429 | bp.c_str(), bp.length()); | |
1430 | if (ret < 0) { | |
1431 | return ret; | |
1432 | } | |
1433 | bufferlist bl; | |
1434 | bl.push_back(std::move(bp)); | |
11fdf7f2 TL |
1435 | auto i = bl.cbegin(); |
1436 | decode(*version, i); | |
31f18b77 | 1437 | dout(10) << __FUNC__ << ": was " << *version << " vs target " |
7c673cae FG |
1438 | << target_version << dendl; |
1439 | if (*version == target_version) | |
1440 | return 1; | |
1441 | else | |
1442 | return 0; | |
1443 | } | |
1444 | ||
11fdf7f2 TL |
1445 | int FileStore::flush_cache(ostream *os) |
1446 | { | |
1447 | string drop_caches_file = "/proc/sys/vm/drop_caches"; | |
1448 | int drop_caches_fd = ::open(drop_caches_file.c_str(), O_WRONLY|O_CLOEXEC), ret = 0; | |
1449 | char buf[2] = "3"; | |
1450 | size_t len = strlen(buf); | |
1451 | ||
1452 | if (drop_caches_fd < 0) { | |
1453 | ret = -errno; | |
1454 | derr << __FUNC__ << ": failed to open " << drop_caches_file << ": " << cpp_strerror(ret) << dendl; | |
1455 | if (os) { | |
1456 | *os << "FileStore flush_cache: failed to open " << drop_caches_file << ": " << cpp_strerror(ret); | |
1457 | } | |
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | if (::write(drop_caches_fd, buf, len) < 0) { | |
1462 | ret = -errno; | |
1463 | derr << __FUNC__ << ": failed to write to " << drop_caches_file << ": " << cpp_strerror(ret) << dendl; | |
1464 | if (os) { | |
1465 | *os << "FileStore flush_cache: failed to write to " << drop_caches_file << ": " << cpp_strerror(ret); | |
1466 | } | |
1467 | goto out; | |
1468 | } | |
1469 | ||
1470 | out: | |
1471 | ::close(drop_caches_fd); | |
1472 | return ret; | |
1473 | } | |
1474 | ||
7c673cae FG |
1475 | int FileStore::write_version_stamp() |
1476 | { | |
31f18b77 | 1477 | dout(1) << __FUNC__ << ": " << target_version << dendl; |
7c673cae | 1478 | bufferlist bl; |
11fdf7f2 | 1479 | encode(target_version, bl); |
7c673cae FG |
1480 | |
1481 | return safe_write_file(basedir.c_str(), "store_version", | |
eafe8130 | 1482 | bl.c_str(), bl.length(), 0600); |
7c673cae FG |
1483 | } |
1484 | ||
1485 | int FileStore::upgrade() | |
1486 | { | |
31f18b77 | 1487 | dout(1) << __FUNC__ << dendl; |
7c673cae FG |
1488 | uint32_t version; |
1489 | int r = version_stamp_is_valid(&version); | |
1490 | ||
1491 | if (r == -ENOENT) { | |
1492 | derr << "The store_version file doesn't exist." << dendl; | |
1493 | return -EINVAL; | |
1494 | } | |
1495 | if (r < 0) | |
1496 | return r; | |
1497 | if (r == 1) | |
1498 | return 0; | |
1499 | ||
1500 | if (version < 3) { | |
1501 | derr << "ObjectStore is old at version " << version << ". Please upgrade to firefly v0.80.x, convert your store, and then upgrade." << dendl; | |
1502 | return -EINVAL; | |
1503 | } | |
1504 | ||
1505 | // nothing necessary in FileStore for v3 -> v4 upgrade; we just need to | |
1506 | // open up DBObjectMap with the do_upgrade flag, which we already did. | |
1507 | update_version_stamp(); | |
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | int FileStore::read_op_seq(uint64_t *seq) | |
1512 | { | |
91327a77 | 1513 | int op_fd = ::open(current_op_seq_fn.c_str(), O_CREAT|O_RDWR|O_CLOEXEC, 0644); |
7c673cae FG |
1514 | if (op_fd < 0) { |
1515 | int r = -errno; | |
11fdf7f2 | 1516 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
1517 | return r; |
1518 | } | |
1519 | char s[40]; | |
1520 | memset(s, 0, sizeof(s)); | |
1521 | int ret = safe_read(op_fd, s, sizeof(s) - 1); | |
1522 | if (ret < 0) { | |
31f18b77 | 1523 | derr << __FUNC__ << ": error reading " << current_op_seq_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae | 1524 | VOID_TEMP_FAILURE_RETRY(::close(op_fd)); |
11fdf7f2 | 1525 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae FG |
1526 | return ret; |
1527 | } | |
1528 | *seq = atoll(s); | |
1529 | return op_fd; | |
1530 | } | |
1531 | ||
1532 | int FileStore::write_op_seq(int fd, uint64_t seq) | |
1533 | { | |
1534 | char s[30]; | |
1535 | snprintf(s, sizeof(s), "%" PRId64 "\n", seq); | |
1536 | int ret = TEMP_FAILURE_RETRY(::pwrite(fd, s, strlen(s), 0)); | |
1537 | if (ret < 0) { | |
1538 | ret = -errno; | |
11fdf7f2 | 1539 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae FG |
1540 | } |
1541 | return ret; | |
1542 | } | |
1543 | ||
1544 | int FileStore::mount() | |
1545 | { | |
1546 | int ret; | |
1547 | char buf[PATH_MAX]; | |
1548 | uint64_t initial_op_seq; | |
1549 | uuid_d omap_fsid; | |
1550 | set<string> cluster_snaps; | |
1551 | CompatSet supported_compat_set = get_fs_supported_compat_set(); | |
1552 | ||
1553 | dout(5) << "basedir " << basedir << " journal " << journalpath << dendl; | |
1554 | ||
1555 | ret = set_throttle_params(); | |
1556 | if (ret != 0) | |
1557 | goto done; | |
1558 | ||
1559 | // make sure global base dir exists | |
1560 | if (::access(basedir.c_str(), R_OK | W_OK)) { | |
1561 | ret = -errno; | |
31f18b77 | 1562 | derr << __FUNC__ << ": unable to access basedir '" << basedir << "': " |
7c673cae FG |
1563 | << cpp_strerror(ret) << dendl; |
1564 | goto done; | |
1565 | } | |
1566 | ||
1567 | // get fsid | |
1568 | snprintf(buf, sizeof(buf), "%s/fsid", basedir.c_str()); | |
91327a77 | 1569 | fsid_fd = ::open(buf, O_RDWR|O_CLOEXEC, 0644); |
7c673cae FG |
1570 | if (fsid_fd < 0) { |
1571 | ret = -errno; | |
31f18b77 | 1572 | derr << __FUNC__ << ": error opening '" << buf << "': " |
7c673cae FG |
1573 | << cpp_strerror(ret) << dendl; |
1574 | goto done; | |
1575 | } | |
1576 | ||
1577 | ret = read_fsid(fsid_fd, &fsid); | |
1578 | if (ret < 0) { | |
31f18b77 | 1579 | derr << __FUNC__ << ": error reading fsid_fd: " << cpp_strerror(ret) |
7c673cae FG |
1580 | << dendl; |
1581 | goto close_fsid_fd; | |
1582 | } | |
1583 | ||
1584 | if (lock_fsid() < 0) { | |
31f18b77 | 1585 | derr << __FUNC__ << ": lock_fsid failed" << dendl; |
7c673cae FG |
1586 | ret = -EBUSY; |
1587 | goto close_fsid_fd; | |
1588 | } | |
1589 | ||
1590 | dout(10) << "mount fsid is " << fsid << dendl; | |
1591 | ||
1592 | ||
1593 | uint32_t version_stamp; | |
1594 | ret = version_stamp_is_valid(&version_stamp); | |
1595 | if (ret < 0) { | |
31f18b77 | 1596 | derr << __FUNC__ << ": error in version_stamp_is_valid: " |
7c673cae FG |
1597 | << cpp_strerror(ret) << dendl; |
1598 | goto close_fsid_fd; | |
1599 | } else if (ret == 0) { | |
1600 | if (do_update || (int)version_stamp < cct->_conf->filestore_update_to) { | |
31f18b77 | 1601 | derr << __FUNC__ << ": stale version stamp detected: " |
7c673cae FG |
1602 | << version_stamp |
1603 | << ". Proceeding, do_update " | |
1604 | << "is set, performing disk format upgrade." | |
1605 | << dendl; | |
1606 | do_update = true; | |
1607 | } else { | |
1608 | ret = -EINVAL; | |
31f18b77 | 1609 | derr << __FUNC__ << ": stale version stamp " << version_stamp |
7c673cae FG |
1610 | << ". Please run the FileStore update script before starting the " |
1611 | << "OSD, or set filestore_update_to to " << target_version | |
1612 | << " (currently " << cct->_conf->filestore_update_to << ")" | |
1613 | << dendl; | |
1614 | goto close_fsid_fd; | |
1615 | } | |
1616 | } | |
1617 | ||
1618 | ret = read_superblock(); | |
1619 | if (ret < 0) { | |
1620 | goto close_fsid_fd; | |
1621 | } | |
1622 | ||
1623 | // Check if this FileStore supports all the necessary features to mount | |
1624 | if (supported_compat_set.compare(superblock.compat_features) == -1) { | |
31f18b77 | 1625 | derr << __FUNC__ << ": Incompatible features set " |
7c673cae FG |
1626 | << superblock.compat_features << dendl; |
1627 | ret = -EINVAL; | |
1628 | goto close_fsid_fd; | |
1629 | } | |
1630 | ||
1631 | // open some dir handles | |
91327a77 | 1632 | basedir_fd = ::open(basedir.c_str(), O_RDONLY|O_CLOEXEC); |
7c673cae FG |
1633 | if (basedir_fd < 0) { |
1634 | ret = -errno; | |
31f18b77 | 1635 | derr << __FUNC__ << ": failed to open " << basedir << ": " |
7c673cae FG |
1636 | << cpp_strerror(ret) << dendl; |
1637 | basedir_fd = -1; | |
1638 | goto close_fsid_fd; | |
1639 | } | |
1640 | ||
1641 | // test for btrfs, xattrs, etc. | |
1642 | ret = _detect_fs(); | |
1643 | if (ret < 0) { | |
31f18b77 | 1644 | derr << __FUNC__ << ": error in _detect_fs: " |
7c673cae FG |
1645 | << cpp_strerror(ret) << dendl; |
1646 | goto close_basedir_fd; | |
1647 | } | |
1648 | ||
1649 | { | |
1650 | list<string> ls; | |
1651 | ret = backend->list_checkpoints(ls); | |
1652 | if (ret < 0) { | |
31f18b77 | 1653 | derr << __FUNC__ << ": error in _list_snaps: "<< cpp_strerror(ret) << dendl; |
7c673cae FG |
1654 | goto close_basedir_fd; |
1655 | } | |
1656 | ||
1657 | long long unsigned c, prev = 0; | |
1658 | char clustersnap[NAME_MAX]; | |
1659 | for (list<string>::iterator it = ls.begin(); it != ls.end(); ++it) { | |
1660 | if (sscanf(it->c_str(), COMMIT_SNAP_ITEM, &c) == 1) { | |
11fdf7f2 | 1661 | ceph_assert(c > prev); |
7c673cae FG |
1662 | prev = c; |
1663 | snaps.push_back(c); | |
1664 | } else if (sscanf(it->c_str(), CLUSTER_SNAP_ITEM, clustersnap) == 1) | |
1665 | cluster_snaps.insert(*it); | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | if (m_osd_rollback_to_cluster_snap.length() && | |
1670 | cluster_snaps.count(m_osd_rollback_to_cluster_snap) == 0) { | |
1671 | derr << "rollback to cluster snapshot '" << m_osd_rollback_to_cluster_snap << "': not found" << dendl; | |
1672 | ret = -ENOENT; | |
1673 | goto close_basedir_fd; | |
1674 | } | |
1675 | ||
1676 | char nosnapfn[200]; | |
1677 | snprintf(nosnapfn, sizeof(nosnapfn), "%s/nosnap", current_fn.c_str()); | |
1678 | ||
1679 | if (backend->can_checkpoint()) { | |
1680 | if (snaps.empty()) { | |
31f18b77 | 1681 | dout(0) << __FUNC__ << ": WARNING: no consistent snaps found, store may be in inconsistent state" << dendl; |
7c673cae FG |
1682 | } else { |
1683 | char s[NAME_MAX]; | |
1684 | uint64_t curr_seq = 0; | |
1685 | ||
1686 | if (m_osd_rollback_to_cluster_snap.length()) { | |
1687 | derr << TEXT_RED | |
1688 | << " ** NOTE: rolling back to cluster snapshot " << m_osd_rollback_to_cluster_snap << " **" | |
1689 | << TEXT_NORMAL | |
1690 | << dendl; | |
11fdf7f2 | 1691 | ceph_assert(cluster_snaps.count(m_osd_rollback_to_cluster_snap)); |
7c673cae FG |
1692 | snprintf(s, sizeof(s), CLUSTER_SNAP_ITEM, m_osd_rollback_to_cluster_snap.c_str()); |
1693 | } else { | |
1694 | { | |
1695 | int fd = read_op_seq(&curr_seq); | |
1696 | if (fd >= 0) { | |
1697 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
1698 | } | |
1699 | } | |
1700 | if (curr_seq) | |
1701 | dout(10) << " current/ seq was " << curr_seq << dendl; | |
1702 | else | |
1703 | dout(10) << " current/ missing entirely (unusual, but okay)" << dendl; | |
1704 | ||
1705 | uint64_t cp = snaps.back(); | |
1706 | dout(10) << " most recent snap from " << snaps << " is " << cp << dendl; | |
1707 | ||
1708 | // if current/ is marked as non-snapshotted, refuse to roll | |
1709 | // back (without clear direction) to avoid throwing out new | |
1710 | // data. | |
1711 | struct stat st; | |
1712 | if (::stat(nosnapfn, &st) == 0) { | |
1713 | if (!m_osd_use_stale_snap) { | |
1714 | derr << "ERROR: " << nosnapfn << " exists, not rolling back to avoid losing new data" << dendl; | |
1715 | derr << "Force rollback to old snapshotted version with 'osd use stale snap = true'" << dendl; | |
1716 | derr << "config option for --osd-use-stale-snap startup argument." << dendl; | |
1717 | ret = -ENOTSUP; | |
1718 | goto close_basedir_fd; | |
1719 | } | |
1720 | derr << "WARNING: user forced start with data sequence mismatch: current was " << curr_seq | |
1721 | << ", newest snap is " << cp << dendl; | |
1722 | cerr << TEXT_YELLOW | |
1723 | << " ** WARNING: forcing the use of stale snapshot data **" | |
1724 | << TEXT_NORMAL << std::endl; | |
1725 | } | |
1726 | ||
31f18b77 | 1727 | dout(10) << __FUNC__ << ": rolling back to consistent snap " << cp << dendl; |
7c673cae FG |
1728 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)cp); |
1729 | } | |
1730 | ||
1731 | // drop current? | |
1732 | ret = backend->rollback_to(s); | |
1733 | if (ret) { | |
31f18b77 | 1734 | derr << __FUNC__ << ": error rolling back to " << s << ": " |
7c673cae FG |
1735 | << cpp_strerror(ret) << dendl; |
1736 | goto close_basedir_fd; | |
1737 | } | |
1738 | } | |
1739 | } | |
1740 | initial_op_seq = 0; | |
1741 | ||
91327a77 | 1742 | current_fd = ::open(current_fn.c_str(), O_RDONLY|O_CLOEXEC); |
7c673cae FG |
1743 | if (current_fd < 0) { |
1744 | ret = -errno; | |
31f18b77 | 1745 | derr << __FUNC__ << ": error opening: " << current_fn << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1746 | goto close_basedir_fd; |
1747 | } | |
1748 | ||
11fdf7f2 | 1749 | ceph_assert(current_fd >= 0); |
7c673cae FG |
1750 | |
1751 | op_fd = read_op_seq(&initial_op_seq); | |
1752 | if (op_fd < 0) { | |
1753 | ret = op_fd; | |
31f18b77 | 1754 | derr << __FUNC__ << ": read_op_seq failed" << dendl; |
7c673cae FG |
1755 | goto close_current_fd; |
1756 | } | |
1757 | ||
1758 | dout(5) << "mount op_seq is " << initial_op_seq << dendl; | |
1759 | if (initial_op_seq == 0) { | |
1760 | derr << "mount initial op seq is 0; something is wrong" << dendl; | |
1761 | ret = -EINVAL; | |
1762 | goto close_current_fd; | |
1763 | } | |
1764 | ||
1765 | if (!backend->can_checkpoint()) { | |
1766 | // mark current/ as non-snapshotted so that we don't rollback away | |
1767 | // from it. | |
1768 | int r = ::creat(nosnapfn, 0644); | |
1769 | if (r < 0) { | |
1770 | ret = -errno; | |
31f18b77 | 1771 | derr << __FUNC__ << ": failed to create current/nosnap" << dendl; |
7c673cae FG |
1772 | goto close_current_fd; |
1773 | } | |
1774 | VOID_TEMP_FAILURE_RETRY(::close(r)); | |
1775 | } else { | |
1776 | // clear nosnap marker, if present. | |
1777 | ::unlink(nosnapfn); | |
1778 | } | |
1779 | ||
1780 | // check fsid with omap | |
1781 | // get omap fsid | |
7c673cae FG |
1782 | char omap_fsid_buf[PATH_MAX]; |
1783 | struct ::stat omap_fsid_stat; | |
1784 | snprintf(omap_fsid_buf, sizeof(omap_fsid_buf), "%s/osd_uuid", omap_dir.c_str()); | |
1785 | // if osd_uuid not exists, assume as this omap matchs corresponding osd | |
1786 | if (::stat(omap_fsid_buf, &omap_fsid_stat) != 0){ | |
31f18b77 | 1787 | dout(10) << __FUNC__ << ": osd_uuid not found under omap, " |
7c673cae FG |
1788 | << "assume as matched." |
1789 | << dendl; | |
11fdf7f2 TL |
1790 | } else { |
1791 | int omap_fsid_fd; | |
7c673cae | 1792 | // if osd_uuid exists, compares osd_uuid with fsid |
91327a77 | 1793 | omap_fsid_fd = ::open(omap_fsid_buf, O_RDONLY|O_CLOEXEC, 0644); |
7c673cae FG |
1794 | if (omap_fsid_fd < 0) { |
1795 | ret = -errno; | |
31f18b77 | 1796 | derr << __FUNC__ << ": error opening '" << omap_fsid_buf << "': " |
7c673cae FG |
1797 | << cpp_strerror(ret) |
1798 | << dendl; | |
1799 | goto close_current_fd; | |
1800 | } | |
1801 | ret = read_fsid(omap_fsid_fd, &omap_fsid); | |
1802 | VOID_TEMP_FAILURE_RETRY(::close(omap_fsid_fd)); | |
7c673cae | 1803 | if (ret < 0) { |
31f18b77 | 1804 | derr << __FUNC__ << ": error reading omap_fsid_fd" |
7c673cae FG |
1805 | << ", omap_fsid = " << omap_fsid |
1806 | << cpp_strerror(ret) | |
1807 | << dendl; | |
1808 | goto close_current_fd; | |
1809 | } | |
1810 | if (fsid != omap_fsid) { | |
31f18b77 | 1811 | derr << __FUNC__ << ": " << omap_fsid_buf |
7c673cae FG |
1812 | << " has existed omap fsid " << omap_fsid |
1813 | << " != expected osd fsid " << fsid | |
1814 | << dendl; | |
1815 | ret = -EINVAL; | |
1816 | goto close_current_fd; | |
1817 | } | |
1818 | } | |
1819 | ||
1820 | dout(0) << "start omap initiation" << dendl; | |
1821 | if (!(generic_flags & SKIP_MOUNT_OMAP)) { | |
1822 | KeyValueDB * omap_store = KeyValueDB::create(cct, | |
1823 | superblock.omap_backend, | |
1824 | omap_dir); | |
11fdf7f2 | 1825 | if (!omap_store) |
7c673cae | 1826 | { |
31f18b77 | 1827 | derr << __FUNC__ << ": Error creating " << superblock.omap_backend << dendl; |
7c673cae FG |
1828 | ret = -1; |
1829 | goto close_current_fd; | |
1830 | } | |
1831 | ||
1832 | if (superblock.omap_backend == "rocksdb") | |
1833 | ret = omap_store->init(cct->_conf->filestore_rocksdb_options); | |
1834 | else | |
1835 | ret = omap_store->init(); | |
1836 | ||
1837 | if (ret < 0) { | |
31f18b77 | 1838 | derr << __FUNC__ << ": Error initializing omap_store: " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1839 | goto close_current_fd; |
1840 | } | |
1841 | ||
1842 | stringstream err; | |
1843 | if (omap_store->create_and_open(err)) { | |
1844 | delete omap_store; | |
11fdf7f2 | 1845 | omap_store = nullptr; |
31f18b77 | 1846 | derr << __FUNC__ << ": Error initializing " << superblock.omap_backend |
7c673cae FG |
1847 | << " : " << err.str() << dendl; |
1848 | ret = -1; | |
1849 | goto close_current_fd; | |
1850 | } | |
1851 | ||
1852 | DBObjectMap *dbomap = new DBObjectMap(cct, omap_store); | |
1853 | ret = dbomap->init(do_update); | |
1854 | if (ret < 0) { | |
1855 | delete dbomap; | |
11fdf7f2 | 1856 | dbomap = nullptr; |
31f18b77 | 1857 | derr << __FUNC__ << ": Error initializing DBObjectMap: " << ret << dendl; |
7c673cae FG |
1858 | goto close_current_fd; |
1859 | } | |
1860 | stringstream err2; | |
1861 | ||
1862 | if (cct->_conf->filestore_debug_omap_check && !dbomap->check(err2)) { | |
1863 | derr << err2.str() << dendl; | |
1864 | delete dbomap; | |
11fdf7f2 | 1865 | dbomap = nullptr; |
7c673cae FG |
1866 | ret = -EINVAL; |
1867 | goto close_current_fd; | |
1868 | } | |
1869 | object_map.reset(dbomap); | |
1870 | } | |
1871 | ||
1872 | // journal | |
1873 | new_journal(); | |
1874 | ||
1875 | // select journal mode? | |
1876 | if (journal) { | |
1877 | if (!m_filestore_journal_writeahead && | |
1878 | !m_filestore_journal_parallel && | |
1879 | !m_filestore_journal_trailing) { | |
1880 | if (!backend->can_checkpoint()) { | |
1881 | m_filestore_journal_writeahead = true; | |
31f18b77 | 1882 | dout(0) << __FUNC__ << ": enabling WRITEAHEAD journal mode: checkpoint is not enabled" << dendl; |
7c673cae FG |
1883 | } else { |
1884 | m_filestore_journal_parallel = true; | |
31f18b77 | 1885 | dout(0) << __FUNC__ << ": enabling PARALLEL journal mode: fs, checkpoint is enabled" << dendl; |
7c673cae FG |
1886 | } |
1887 | } else { | |
1888 | if (m_filestore_journal_writeahead) | |
31f18b77 | 1889 | dout(0) << __FUNC__ << ": WRITEAHEAD journal mode explicitly enabled in conf" << dendl; |
7c673cae | 1890 | if (m_filestore_journal_parallel) |
31f18b77 | 1891 | dout(0) << __FUNC__ << ": PARALLEL journal mode explicitly enabled in conf" << dendl; |
7c673cae | 1892 | if (m_filestore_journal_trailing) |
31f18b77 | 1893 | dout(0) << __FUNC__ << ": TRAILING journal mode explicitly enabled in conf" << dendl; |
7c673cae FG |
1894 | } |
1895 | if (m_filestore_journal_writeahead) | |
1896 | journal->set_wait_on_full(true); | |
1897 | } else { | |
31f18b77 | 1898 | dout(0) << __FUNC__ << ": no journal" << dendl; |
7c673cae FG |
1899 | } |
1900 | ||
1901 | ret = _sanity_check_fs(); | |
1902 | if (ret) { | |
31f18b77 | 1903 | derr << __FUNC__ << ": _sanity_check_fs failed with error " |
7c673cae FG |
1904 | << ret << dendl; |
1905 | goto close_current_fd; | |
1906 | } | |
1907 | ||
1908 | // Cleanup possibly invalid collections | |
1909 | { | |
1910 | vector<coll_t> collections; | |
1911 | ret = list_collections(collections, true); | |
1912 | if (ret < 0) { | |
1913 | derr << "Error " << ret << " while listing collections" << dendl; | |
1914 | goto close_current_fd; | |
1915 | } | |
1916 | for (vector<coll_t>::iterator i = collections.begin(); | |
1917 | i != collections.end(); | |
1918 | ++i) { | |
1919 | Index index; | |
1920 | ret = get_index(*i, &index); | |
1921 | if (ret < 0) { | |
1922 | derr << "Unable to mount index " << *i | |
1923 | << " with error: " << ret << dendl; | |
1924 | goto close_current_fd; | |
1925 | } | |
11fdf7f2 | 1926 | ceph_assert(index.index); |
9f95a23c | 1927 | std::unique_lock l{(index.index)->access_lock}; |
7c673cae FG |
1928 | |
1929 | index->cleanup(); | |
1930 | } | |
1931 | } | |
1932 | if (!m_disable_wbthrottle) { | |
1933 | wbthrottle.start(); | |
1934 | } else { | |
31f18b77 | 1935 | dout(0) << __FUNC__ << ": INFO: WbThrottle is disabled" << dendl; |
7c673cae | 1936 | if (cct->_conf->filestore_odsync_write) { |
31f18b77 | 1937 | dout(0) << __FUNC__ << ": INFO: O_DSYNC write is enabled" << dendl; |
7c673cae FG |
1938 | } |
1939 | } | |
1940 | sync_thread.create("filestore_sync"); | |
1941 | ||
1942 | if (!(generic_flags & SKIP_JOURNAL_REPLAY)) { | |
1943 | ret = journal_replay(initial_op_seq); | |
1944 | if (ret < 0) { | |
31f18b77 | 1945 | derr << __FUNC__ << ": failed to open journal " << journalpath << ": " << cpp_strerror(ret) << dendl; |
7c673cae FG |
1946 | if (ret == -ENOTTY) { |
1947 | derr << "maybe journal is not pointing to a block device and its size " | |
1948 | << "wasn't configured?" << dendl; | |
1949 | } | |
1950 | ||
1951 | goto stop_sync; | |
1952 | } | |
1953 | } | |
1954 | ||
1955 | { | |
1956 | stringstream err2; | |
1957 | if (cct->_conf->filestore_debug_omap_check && !object_map->check(err2)) { | |
1958 | derr << err2.str() << dendl; | |
1959 | ret = -EINVAL; | |
1960 | goto stop_sync; | |
1961 | } | |
1962 | } | |
1963 | ||
1964 | init_temp_collections(); | |
1965 | ||
1966 | journal_start(); | |
1967 | ||
1968 | op_tp.start(); | |
1969 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
1970 | (*it)->start(); | |
1971 | } | |
1972 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
1973 | (*it)->start(); | |
1974 | } | |
1975 | ||
1976 | timer.init(); | |
1977 | ||
1978 | // upgrade? | |
1979 | if (cct->_conf->filestore_update_to >= (int)get_target_version()) { | |
1980 | int err = upgrade(); | |
1981 | if (err < 0) { | |
1982 | derr << "error converting store" << dendl; | |
1983 | umount(); | |
1984 | return err; | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | // all okay. | |
1989 | return 0; | |
1990 | ||
1991 | stop_sync: | |
1992 | // stop sync thread | |
9f95a23c TL |
1993 | { |
1994 | std::lock_guard l{lock}; | |
1995 | stop = true; | |
1996 | sync_cond.notify_all(); | |
1997 | } | |
7c673cae FG |
1998 | sync_thread.join(); |
1999 | if (!m_disable_wbthrottle) { | |
2000 | wbthrottle.stop(); | |
2001 | } | |
2002 | close_current_fd: | |
2003 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
2004 | current_fd = -1; | |
2005 | close_basedir_fd: | |
2006 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
2007 | basedir_fd = -1; | |
2008 | close_fsid_fd: | |
2009 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
2010 | fsid_fd = -1; | |
2011 | done: | |
11fdf7f2 | 2012 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae | 2013 | delete backend; |
11fdf7f2 | 2014 | backend = nullptr; |
7c673cae FG |
2015 | object_map.reset(); |
2016 | return ret; | |
2017 | } | |
2018 | ||
2019 | void FileStore::init_temp_collections() | |
2020 | { | |
31f18b77 | 2021 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
2022 | vector<coll_t> ls; |
2023 | int r = list_collections(ls, true); | |
11fdf7f2 | 2024 | ceph_assert(r >= 0); |
7c673cae FG |
2025 | |
2026 | dout(20) << " ls " << ls << dendl; | |
2027 | ||
2028 | SequencerPosition spos; | |
2029 | ||
2030 | set<coll_t> temps; | |
2031 | for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) | |
2032 | if (p->is_temp()) | |
2033 | temps.insert(*p); | |
2034 | dout(20) << " temps " << temps << dendl; | |
2035 | ||
2036 | for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) { | |
2037 | if (p->is_temp()) | |
2038 | continue; | |
9f95a23c | 2039 | coll_map[*p] = ceph::make_ref<OpSequencer>(cct, ++next_osr_id, *p); |
7c673cae FG |
2040 | if (p->is_meta()) |
2041 | continue; | |
2042 | coll_t temp = p->get_temp(); | |
2043 | if (temps.count(temp)) { | |
2044 | temps.erase(temp); | |
2045 | } else { | |
31f18b77 | 2046 | dout(10) << __FUNC__ << ": creating " << temp << dendl; |
7c673cae | 2047 | r = _create_collection(temp, 0, spos); |
11fdf7f2 | 2048 | ceph_assert(r == 0); |
7c673cae FG |
2049 | } |
2050 | } | |
2051 | ||
2052 | for (set<coll_t>::iterator p = temps.begin(); p != temps.end(); ++p) { | |
31f18b77 | 2053 | dout(10) << __FUNC__ << ": removing stray " << *p << dendl; |
7c673cae | 2054 | r = _collection_remove_recursive(*p, spos); |
11fdf7f2 | 2055 | ceph_assert(r == 0); |
7c673cae FG |
2056 | } |
2057 | } | |
2058 | ||
2059 | int FileStore::umount() | |
2060 | { | |
31f18b77 | 2061 | dout(5) << __FUNC__ << ": " << basedir << dendl; |
7c673cae FG |
2062 | |
2063 | flush(); | |
2064 | sync(); | |
2065 | do_force_sync(); | |
2066 | ||
11fdf7f2 | 2067 | { |
9f95a23c | 2068 | std::lock_guard l(coll_lock); |
11fdf7f2 TL |
2069 | coll_map.clear(); |
2070 | } | |
2071 | ||
9f95a23c TL |
2072 | { |
2073 | std::lock_guard l{lock}; | |
2074 | stop = true; | |
2075 | sync_cond.notify_all(); | |
2076 | } | |
7c673cae FG |
2077 | sync_thread.join(); |
2078 | if (!m_disable_wbthrottle){ | |
2079 | wbthrottle.stop(); | |
2080 | } | |
2081 | op_tp.stop(); | |
2082 | ||
2083 | journal_stop(); | |
2084 | if (!(generic_flags & SKIP_JOURNAL_REPLAY)) | |
2085 | journal_write_close(); | |
2086 | ||
2087 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { | |
2088 | (*it)->stop(); | |
2089 | } | |
2090 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { | |
2091 | (*it)->stop(); | |
2092 | } | |
2093 | ||
11fdf7f2 TL |
2094 | if (vdo_fd >= 0) { |
2095 | VOID_TEMP_FAILURE_RETRY(::close(vdo_fd)); | |
2096 | vdo_fd = -1; | |
2097 | } | |
7c673cae FG |
2098 | if (fsid_fd >= 0) { |
2099 | VOID_TEMP_FAILURE_RETRY(::close(fsid_fd)); | |
2100 | fsid_fd = -1; | |
2101 | } | |
2102 | if (op_fd >= 0) { | |
2103 | VOID_TEMP_FAILURE_RETRY(::close(op_fd)); | |
2104 | op_fd = -1; | |
2105 | } | |
2106 | if (current_fd >= 0) { | |
2107 | VOID_TEMP_FAILURE_RETRY(::close(current_fd)); | |
2108 | current_fd = -1; | |
2109 | } | |
2110 | if (basedir_fd >= 0) { | |
2111 | VOID_TEMP_FAILURE_RETRY(::close(basedir_fd)); | |
2112 | basedir_fd = -1; | |
2113 | } | |
2114 | ||
2115 | force_sync = false; | |
2116 | ||
2117 | delete backend; | |
11fdf7f2 | 2118 | backend = nullptr; |
7c673cae FG |
2119 | |
2120 | object_map.reset(); | |
2121 | ||
2122 | { | |
9f95a23c | 2123 | std::lock_guard l{sync_entry_timeo_lock}; |
7c673cae FG |
2124 | timer.shutdown(); |
2125 | } | |
2126 | ||
2127 | // nothing | |
2128 | return 0; | |
2129 | } | |
2130 | ||
2131 | ||
11fdf7f2 TL |
2132 | /// ----------------------------- |
2133 | ||
2134 | // keep OpSequencer handles alive for all time so that a sequence | |
2135 | // that removes a collection and creates a new one will not allow | |
2136 | // two sequencers for the same collection to be alive at once. | |
2137 | ||
2138 | ObjectStore::CollectionHandle FileStore::open_collection(const coll_t& c) | |
2139 | { | |
9f95a23c | 2140 | std::lock_guard l{coll_lock}; |
11fdf7f2 TL |
2141 | auto p = coll_map.find(c); |
2142 | if (p == coll_map.end()) { | |
2143 | return CollectionHandle(); | |
2144 | } | |
2145 | return p->second; | |
2146 | } | |
2147 | ||
2148 | ObjectStore::CollectionHandle FileStore::create_new_collection(const coll_t& c) | |
2149 | { | |
9f95a23c | 2150 | std::lock_guard l{coll_lock}; |
11fdf7f2 TL |
2151 | auto p = coll_map.find(c); |
2152 | if (p == coll_map.end()) { | |
9f95a23c | 2153 | auto r = ceph::make_ref<OpSequencer>(cct, ++next_osr_id, c); |
11fdf7f2 TL |
2154 | coll_map[c] = r; |
2155 | return r; | |
2156 | } else { | |
2157 | return p->second; | |
2158 | } | |
2159 | } | |
7c673cae FG |
2160 | |
2161 | ||
2162 | /// ----------------------------- | |
2163 | ||
2164 | FileStore::Op *FileStore::build_op(vector<Transaction>& tls, | |
2165 | Context *onreadable, | |
2166 | Context *onreadable_sync, | |
2167 | TrackedOpRef osd_op) | |
2168 | { | |
2169 | uint64_t bytes = 0, ops = 0; | |
2170 | for (vector<Transaction>::iterator p = tls.begin(); | |
2171 | p != tls.end(); | |
2172 | ++p) { | |
2173 | bytes += (*p).get_num_bytes(); | |
2174 | ops += (*p).get_num_ops(); | |
2175 | } | |
2176 | ||
2177 | Op *o = new Op; | |
2178 | o->start = ceph_clock_now(); | |
2179 | o->tls = std::move(tls); | |
2180 | o->onreadable = onreadable; | |
2181 | o->onreadable_sync = onreadable_sync; | |
2182 | o->ops = ops; | |
2183 | o->bytes = bytes; | |
2184 | o->osd_op = osd_op; | |
2185 | return o; | |
2186 | } | |
2187 | ||
2188 | ||
2189 | ||
2190 | void FileStore::queue_op(OpSequencer *osr, Op *o) | |
2191 | { | |
2192 | // queue op on sequencer, then queue sequencer for the threadpool, | |
2193 | // so that regardless of which order the threads pick up the | |
2194 | // sequencer, the op order will be preserved. | |
2195 | ||
2196 | osr->queue(o); | |
2197 | o->trace.event("queued"); | |
2198 | ||
2199 | logger->inc(l_filestore_ops); | |
2200 | logger->inc(l_filestore_bytes, o->bytes); | |
2201 | ||
31f18b77 | 2202 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op |
7c673cae FG |
2203 | << " " << *osr |
2204 | << " " << o->bytes << " bytes" | |
2205 | << " (queue has " << throttle_ops.get_current() << " ops and " << throttle_bytes.get_current() << " bytes)" | |
2206 | << dendl; | |
2207 | op_wq.queue(osr); | |
2208 | } | |
2209 | ||
2210 | void FileStore::op_queue_reserve_throttle(Op *o) | |
2211 | { | |
2212 | throttle_ops.get(); | |
2213 | throttle_bytes.get(o->bytes); | |
2214 | ||
2215 | logger->set(l_filestore_op_queue_ops, throttle_ops.get_current()); | |
2216 | logger->set(l_filestore_op_queue_bytes, throttle_bytes.get_current()); | |
2217 | } | |
2218 | ||
2219 | void FileStore::op_queue_release_throttle(Op *o) | |
2220 | { | |
2221 | throttle_ops.put(); | |
2222 | throttle_bytes.put(o->bytes); | |
2223 | logger->set(l_filestore_op_queue_ops, throttle_ops.get_current()); | |
2224 | logger->set(l_filestore_op_queue_bytes, throttle_bytes.get_current()); | |
2225 | } | |
2226 | ||
2227 | void FileStore::_do_op(OpSequencer *osr, ThreadPool::TPHandle &handle) | |
2228 | { | |
2229 | if (!m_disable_wbthrottle) { | |
2230 | wbthrottle.throttle(); | |
2231 | } | |
2232 | // inject a stall? | |
2233 | if (cct->_conf->filestore_inject_stall) { | |
2234 | int orig = cct->_conf->filestore_inject_stall; | |
31f18b77 | 2235 | dout(5) << __FUNC__ << ": filestore_inject_stall " << orig << ", sleeping" << dendl; |
7c673cae | 2236 | sleep(orig); |
11fdf7f2 | 2237 | cct->_conf.set_val("filestore_inject_stall", "0"); |
31f18b77 | 2238 | dout(5) << __FUNC__ << ": done stalling" << dendl; |
7c673cae FG |
2239 | } |
2240 | ||
9f95a23c | 2241 | osr->apply_lock.lock(); |
7c673cae FG |
2242 | Op *o = osr->peek_queue(); |
2243 | o->trace.event("op_apply_start"); | |
2244 | apply_manager.op_apply_start(o->op); | |
11fdf7f2 | 2245 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " start" << dendl; |
7c673cae | 2246 | o->trace.event("_do_transactions start"); |
11fdf7f2 | 2247 | int r = _do_transactions(o->tls, o->op, &handle, osr->osr_name); |
7c673cae FG |
2248 | o->trace.event("op_apply_finish"); |
2249 | apply_manager.op_apply_finish(o->op); | |
31f18b77 | 2250 | dout(10) << __FUNC__ << ": " << o << " seq " << o->op << " r = " << r |
7c673cae | 2251 | << ", finisher " << o->onreadable << " " << o->onreadable_sync << dendl; |
7c673cae FG |
2252 | } |
2253 | ||
2254 | void FileStore::_finish_op(OpSequencer *osr) | |
2255 | { | |
2256 | list<Context*> to_queue; | |
2257 | Op *o = osr->dequeue(&to_queue); | |
2258 | ||
11fdf7f2 TL |
2259 | o->tls.clear(); |
2260 | ||
7c673cae FG |
2261 | utime_t lat = ceph_clock_now(); |
2262 | lat -= o->start; | |
2263 | ||
11fdf7f2 | 2264 | dout(10) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " lat " << lat << dendl; |
9f95a23c | 2265 | osr->apply_lock.unlock(); // locked in _do_op |
7c673cae FG |
2266 | o->trace.event("_finish_op"); |
2267 | ||
2268 | // called with tp lock held | |
2269 | op_queue_release_throttle(o); | |
2270 | ||
2271 | logger->tinc(l_filestore_apply_latency, lat); | |
2272 | ||
2273 | if (o->onreadable_sync) { | |
2274 | o->onreadable_sync->complete(0); | |
2275 | } | |
2276 | if (o->onreadable) { | |
2277 | apply_finishers[osr->id % m_apply_finisher_num]->queue(o->onreadable); | |
2278 | } | |
2279 | if (!to_queue.empty()) { | |
2280 | apply_finishers[osr->id % m_apply_finisher_num]->queue(to_queue); | |
2281 | } | |
2282 | delete o; | |
11fdf7f2 | 2283 | o = nullptr; |
7c673cae FG |
2284 | } |
2285 | ||
7c673cae FG |
2286 | struct C_JournaledAhead : public Context { |
2287 | FileStore *fs; | |
2288 | FileStore::OpSequencer *osr; | |
2289 | FileStore::Op *o; | |
2290 | Context *ondisk; | |
2291 | ||
2292 | C_JournaledAhead(FileStore *f, FileStore::OpSequencer *os, FileStore::Op *o, Context *ondisk): | |
2293 | fs(f), osr(os), o(o), ondisk(ondisk) { } | |
2294 | void finish(int r) override { | |
2295 | fs->_journaled_ahead(osr, o, ondisk); | |
2296 | } | |
2297 | }; | |
2298 | ||
11fdf7f2 | 2299 | int FileStore::queue_transactions(CollectionHandle& ch, vector<Transaction>& tls, |
7c673cae FG |
2300 | TrackedOpRef osd_op, |
2301 | ThreadPool::TPHandle *handle) | |
2302 | { | |
2303 | Context *onreadable; | |
2304 | Context *ondisk; | |
2305 | Context *onreadable_sync; | |
2306 | ObjectStore::Transaction::collect_contexts( | |
2307 | tls, &onreadable, &ondisk, &onreadable_sync); | |
2308 | ||
2309 | if (cct->_conf->objectstore_blackhole) { | |
31f18b77 | 2310 | dout(0) << __FUNC__ << ": objectstore_blackhole = TRUE, dropping transaction" |
7c673cae FG |
2311 | << dendl; |
2312 | delete ondisk; | |
11fdf7f2 | 2313 | ondisk = nullptr; |
7c673cae | 2314 | delete onreadable; |
11fdf7f2 | 2315 | onreadable = nullptr; |
7c673cae | 2316 | delete onreadable_sync; |
11fdf7f2 | 2317 | onreadable_sync = nullptr; |
7c673cae FG |
2318 | return 0; |
2319 | } | |
2320 | ||
2321 | utime_t start = ceph_clock_now(); | |
7c673cae | 2322 | |
11fdf7f2 TL |
2323 | OpSequencer *osr = static_cast<OpSequencer*>(ch.get()); |
2324 | dout(5) << __FUNC__ << ": osr " << osr << " " << *osr << dendl; | |
7c673cae FG |
2325 | |
2326 | ZTracer::Trace trace; | |
2327 | if (osd_op && osd_op->pg_trace) { | |
2328 | osd_op->store_trace.init("filestore op", &trace_endpoint, &osd_op->pg_trace); | |
2329 | trace = osd_op->store_trace; | |
2330 | } | |
2331 | ||
2332 | if (journal && journal->is_writeable() && !m_filestore_journal_trailing) { | |
2333 | Op *o = build_op(tls, onreadable, onreadable_sync, osd_op); | |
2334 | ||
2335 | //prepare and encode transactions data out of lock | |
2336 | bufferlist tbl; | |
2337 | int orig_len = journal->prepare_entry(o->tls, &tbl); | |
2338 | ||
2339 | if (handle) | |
2340 | handle->suspend_tp_timeout(); | |
2341 | ||
2342 | op_queue_reserve_throttle(o); | |
2343 | journal->reserve_throttle_and_backoff(tbl.length()); | |
2344 | ||
2345 | if (handle) | |
2346 | handle->reset_tp_timeout(); | |
2347 | ||
2348 | uint64_t op_num = submit_manager.op_submit_start(); | |
2349 | o->op = op_num; | |
2350 | trace.keyval("opnum", op_num); | |
2351 | ||
2352 | if (m_filestore_do_dump) | |
2353 | dump_transactions(o->tls, o->op, osr); | |
2354 | ||
2355 | if (m_filestore_journal_parallel) { | |
31f18b77 | 2356 | dout(5) << __FUNC__ << ": (parallel) " << o->op << " " << o->tls << dendl; |
7c673cae FG |
2357 | |
2358 | trace.keyval("journal mode", "parallel"); | |
2359 | trace.event("journal started"); | |
2360 | _op_journal_transactions(tbl, orig_len, o->op, ondisk, osd_op); | |
2361 | ||
2362 | // queue inside submit_manager op submission lock | |
2363 | queue_op(osr, o); | |
2364 | trace.event("op queued"); | |
2365 | } else if (m_filestore_journal_writeahead) { | |
31f18b77 | 2366 | dout(5) << __FUNC__ << ": (writeahead) " << o->op << " " << o->tls << dendl; |
7c673cae | 2367 | |
11fdf7f2 | 2368 | osr->queue_journal(o); |
7c673cae FG |
2369 | |
2370 | trace.keyval("journal mode", "writeahead"); | |
2371 | trace.event("journal started"); | |
2372 | _op_journal_transactions(tbl, orig_len, o->op, | |
2373 | new C_JournaledAhead(this, osr, o, ondisk), | |
2374 | osd_op); | |
2375 | } else { | |
2376 | ceph_abort(); | |
2377 | } | |
2378 | submit_manager.op_submit_finish(op_num); | |
2379 | utime_t end = ceph_clock_now(); | |
2380 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2381 | return 0; | |
2382 | } | |
2383 | ||
2384 | if (!journal) { | |
2385 | Op *o = build_op(tls, onreadable, onreadable_sync, osd_op); | |
31f18b77 | 2386 | dout(5) << __FUNC__ << ": (no journal) " << o << " " << tls << dendl; |
7c673cae FG |
2387 | |
2388 | if (handle) | |
2389 | handle->suspend_tp_timeout(); | |
2390 | ||
2391 | op_queue_reserve_throttle(o); | |
2392 | ||
2393 | if (handle) | |
2394 | handle->reset_tp_timeout(); | |
2395 | ||
2396 | uint64_t op_num = submit_manager.op_submit_start(); | |
2397 | o->op = op_num; | |
2398 | ||
2399 | if (m_filestore_do_dump) | |
2400 | dump_transactions(o->tls, o->op, osr); | |
2401 | ||
2402 | queue_op(osr, o); | |
2403 | trace.keyval("opnum", op_num); | |
2404 | trace.keyval("journal mode", "none"); | |
2405 | trace.event("op queued"); | |
2406 | ||
2407 | if (ondisk) | |
2408 | apply_manager.add_waiter(op_num, ondisk); | |
2409 | submit_manager.op_submit_finish(op_num); | |
2410 | utime_t end = ceph_clock_now(); | |
2411 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2412 | return 0; | |
2413 | } | |
2414 | ||
11fdf7f2 | 2415 | ceph_assert(journal); |
7c673cae FG |
2416 | //prepare and encode transactions data out of lock |
2417 | bufferlist tbl; | |
2418 | int orig_len = -1; | |
2419 | if (journal->is_writeable()) { | |
2420 | orig_len = journal->prepare_entry(tls, &tbl); | |
2421 | } | |
2422 | uint64_t op = submit_manager.op_submit_start(); | |
31f18b77 | 2423 | dout(5) << __FUNC__ << ": (trailing journal) " << op << " " << tls << dendl; |
7c673cae FG |
2424 | |
2425 | if (m_filestore_do_dump) | |
2426 | dump_transactions(tls, op, osr); | |
2427 | ||
2428 | trace.event("op_apply_start"); | |
2429 | trace.keyval("opnum", op); | |
2430 | trace.keyval("journal mode", "trailing"); | |
2431 | apply_manager.op_apply_start(op); | |
2432 | trace.event("do_transactions"); | |
2433 | int r = do_transactions(tls, op); | |
2434 | ||
2435 | if (r >= 0) { | |
2436 | trace.event("journal started"); | |
2437 | _op_journal_transactions(tbl, orig_len, op, ondisk, osd_op); | |
2438 | } else { | |
2439 | delete ondisk; | |
11fdf7f2 | 2440 | ondisk = nullptr; |
7c673cae FG |
2441 | } |
2442 | ||
2443 | // start on_readable finisher after we queue journal item, as on_readable callback | |
2444 | // is allowed to delete the Transaction | |
2445 | if (onreadable_sync) { | |
2446 | onreadable_sync->complete(r); | |
2447 | } | |
2448 | apply_finishers[osr->id % m_apply_finisher_num]->queue(onreadable, r); | |
2449 | ||
2450 | submit_manager.op_submit_finish(op); | |
2451 | trace.event("op_apply_finish"); | |
2452 | apply_manager.op_apply_finish(op); | |
2453 | ||
2454 | utime_t end = ceph_clock_now(); | |
2455 | logger->tinc(l_filestore_queue_transaction_latency_avg, end - start); | |
2456 | return r; | |
2457 | } | |
2458 | ||
2459 | void FileStore::_journaled_ahead(OpSequencer *osr, Op *o, Context *ondisk) | |
2460 | { | |
31f18b77 | 2461 | dout(5) << __FUNC__ << ": " << o << " seq " << o->op << " " << *osr << " " << o->tls << dendl; |
7c673cae FG |
2462 | |
2463 | o->trace.event("writeahead journal finished"); | |
2464 | ||
2465 | // this should queue in order because the journal does it's completions in order. | |
2466 | queue_op(osr, o); | |
2467 | ||
2468 | list<Context*> to_queue; | |
2469 | osr->dequeue_journal(&to_queue); | |
2470 | ||
2471 | // do ondisk completions async, to prevent any onreadable_sync completions | |
2472 | // getting blocked behind an ondisk completion. | |
2473 | if (ondisk) { | |
2474 | dout(10) << " queueing ondisk " << ondisk << dendl; | |
2475 | ondisk_finishers[osr->id % m_ondisk_finisher_num]->queue(ondisk); | |
2476 | } | |
2477 | if (!to_queue.empty()) { | |
2478 | ondisk_finishers[osr->id % m_ondisk_finisher_num]->queue(to_queue); | |
2479 | } | |
2480 | } | |
2481 | ||
2482 | int FileStore::_do_transactions( | |
2483 | vector<Transaction> &tls, | |
2484 | uint64_t op_seq, | |
11fdf7f2 TL |
2485 | ThreadPool::TPHandle *handle, |
2486 | const char *osr_name) | |
7c673cae FG |
2487 | { |
2488 | int trans_num = 0; | |
2489 | ||
2490 | for (vector<Transaction>::iterator p = tls.begin(); | |
2491 | p != tls.end(); | |
2492 | ++p, trans_num++) { | |
11fdf7f2 | 2493 | _do_transaction(*p, op_seq, trans_num, handle, osr_name); |
7c673cae FG |
2494 | if (handle) |
2495 | handle->reset_tp_timeout(); | |
2496 | } | |
2497 | ||
2498 | return 0; | |
2499 | } | |
2500 | ||
2501 | void FileStore::_set_global_replay_guard(const coll_t& cid, | |
2502 | const SequencerPosition &spos) | |
2503 | { | |
2504 | if (backend->can_checkpoint()) | |
2505 | return; | |
2506 | ||
2507 | // sync all previous operations on this sequencer | |
2508 | int ret = object_map->sync(); | |
2509 | if (ret < 0) { | |
31f18b77 | 2510 | derr << __FUNC__ << ": omap sync error " << cpp_strerror(ret) << dendl; |
11fdf7f2 | 2511 | ceph_abort_msg("_set_global_replay_guard failed"); |
7c673cae FG |
2512 | } |
2513 | ret = sync_filesystem(basedir_fd); | |
2514 | if (ret < 0) { | |
31f18b77 | 2515 | derr << __FUNC__ << ": sync_filesystem error " << cpp_strerror(ret) << dendl; |
11fdf7f2 | 2516 | ceph_abort_msg("_set_global_replay_guard failed"); |
7c673cae FG |
2517 | } |
2518 | ||
2519 | char fn[PATH_MAX]; | |
2520 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2521 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
2522 | if (fd < 0) { |
2523 | int err = errno; | |
31f18b77 | 2524 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
11fdf7f2 | 2525 | ceph_abort_msg("_set_global_replay_guard failed"); |
7c673cae FG |
2526 | } |
2527 | ||
2528 | _inject_failure(); | |
2529 | ||
2530 | // then record that we did it | |
2531 | bufferlist v; | |
11fdf7f2 | 2532 | encode(spos, v); |
7c673cae FG |
2533 | int r = chain_fsetxattr<true, true>( |
2534 | fd, GLOBAL_REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2535 | if (r < 0) { | |
31f18b77 | 2536 | derr << __FUNC__ << ": fsetxattr " << GLOBAL_REPLAY_GUARD_XATTR |
7c673cae | 2537 | << " got " << cpp_strerror(r) << dendl; |
11fdf7f2 | 2538 | ceph_abort_msg("fsetxattr failed"); |
7c673cae FG |
2539 | } |
2540 | ||
2541 | // and make sure our xattr is durable. | |
a8e16298 TL |
2542 | r = ::fsync(fd); |
2543 | if (r < 0) { | |
2544 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2545 | ceph_abort(); | |
2546 | } | |
7c673cae FG |
2547 | |
2548 | _inject_failure(); | |
2549 | ||
2550 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
31f18b77 | 2551 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2552 | } |
2553 | ||
2554 | int FileStore::_check_global_replay_guard(const coll_t& cid, | |
2555 | const SequencerPosition& spos) | |
2556 | { | |
2557 | char fn[PATH_MAX]; | |
2558 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2559 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae | 2560 | if (fd < 0) { |
31f18b77 | 2561 | dout(10) << __FUNC__ << ": " << cid << " dne" << dendl; |
7c673cae FG |
2562 | return 1; // if collection does not exist, there is no guard, and we can replay. |
2563 | } | |
2564 | ||
2565 | char buf[100]; | |
2566 | int r = chain_fgetxattr(fd, GLOBAL_REPLAY_GUARD_XATTR, buf, sizeof(buf)); | |
2567 | if (r < 0) { | |
31f18b77 | 2568 | dout(20) << __FUNC__ << ": no xattr" << dendl; |
11fdf7f2 | 2569 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
2570 | VOID_TEMP_FAILURE_RETRY(::close(fd)); |
2571 | return 1; // no xattr | |
2572 | } | |
2573 | bufferlist bl; | |
2574 | bl.append(buf, r); | |
2575 | ||
2576 | SequencerPosition opos; | |
11fdf7f2 TL |
2577 | auto p = bl.cbegin(); |
2578 | decode(opos, p); | |
7c673cae FG |
2579 | |
2580 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2581 | return spos >= opos ? 1 : -1; | |
2582 | } | |
2583 | ||
2584 | ||
2585 | void FileStore::_set_replay_guard(const coll_t& cid, | |
2586 | const SequencerPosition &spos, | |
2587 | bool in_progress=false) | |
2588 | { | |
2589 | char fn[PATH_MAX]; | |
2590 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2591 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
2592 | if (fd < 0) { |
2593 | int err = errno; | |
31f18b77 | 2594 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
11fdf7f2 | 2595 | ceph_abort_msg("_set_replay_guard failed"); |
7c673cae FG |
2596 | } |
2597 | _set_replay_guard(fd, spos, 0, in_progress); | |
2598 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2599 | } | |
2600 | ||
2601 | ||
2602 | void FileStore::_set_replay_guard(int fd, | |
2603 | const SequencerPosition& spos, | |
2604 | const ghobject_t *hoid, | |
2605 | bool in_progress) | |
2606 | { | |
2607 | if (backend->can_checkpoint()) | |
2608 | return; | |
2609 | ||
31f18b77 | 2610 | dout(10) << __FUNC__ << ": " << spos << (in_progress ? " START" : "") << dendl; |
7c673cae FG |
2611 | |
2612 | _inject_failure(); | |
2613 | ||
2614 | // first make sure the previous operation commits | |
a8e16298 TL |
2615 | int r = ::fsync(fd); |
2616 | if (r < 0) { | |
2617 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2618 | ceph_abort(); | |
2619 | } | |
7c673cae FG |
2620 | |
2621 | if (!in_progress) { | |
2622 | // sync object_map too. even if this object has a header or keys, | |
2623 | // it have had them in the past and then removed them, so always | |
2624 | // sync. | |
2625 | object_map->sync(hoid, &spos); | |
2626 | } | |
2627 | ||
2628 | _inject_failure(); | |
2629 | ||
2630 | // then record that we did it | |
2631 | bufferlist v(40); | |
11fdf7f2 TL |
2632 | encode(spos, v); |
2633 | encode(in_progress, v); | |
a8e16298 | 2634 | r = chain_fsetxattr<true, true>( |
7c673cae FG |
2635 | fd, REPLAY_GUARD_XATTR, v.c_str(), v.length()); |
2636 | if (r < 0) { | |
2637 | derr << "fsetxattr " << REPLAY_GUARD_XATTR << " got " << cpp_strerror(r) << dendl; | |
11fdf7f2 | 2638 | ceph_abort_msg("fsetxattr failed"); |
7c673cae FG |
2639 | } |
2640 | ||
2641 | // and make sure our xattr is durable. | |
a8e16298 TL |
2642 | r = ::fsync(fd); |
2643 | if (r < 0) { | |
2644 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2645 | ceph_abort(); | |
2646 | } | |
7c673cae FG |
2647 | |
2648 | _inject_failure(); | |
2649 | ||
31f18b77 | 2650 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2651 | } |
2652 | ||
2653 | void FileStore::_close_replay_guard(const coll_t& cid, | |
2654 | const SequencerPosition &spos) | |
2655 | { | |
2656 | char fn[PATH_MAX]; | |
2657 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2658 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
2659 | if (fd < 0) { |
2660 | int err = errno; | |
31f18b77 | 2661 | derr << __FUNC__ << ": " << cid << " error " << cpp_strerror(err) << dendl; |
11fdf7f2 | 2662 | ceph_abort_msg("_close_replay_guard failed"); |
7c673cae FG |
2663 | } |
2664 | _close_replay_guard(fd, spos); | |
2665 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2666 | } | |
2667 | ||
2668 | void FileStore::_close_replay_guard(int fd, const SequencerPosition& spos, | |
2669 | const ghobject_t *hoid) | |
2670 | { | |
2671 | if (backend->can_checkpoint()) | |
2672 | return; | |
2673 | ||
31f18b77 | 2674 | dout(10) << __FUNC__ << ": " << spos << dendl; |
7c673cae FG |
2675 | |
2676 | _inject_failure(); | |
2677 | ||
2678 | // sync object_map too. even if this object has a header or keys, | |
2679 | // it have had them in the past and then removed them, so always | |
2680 | // sync. | |
2681 | object_map->sync(hoid, &spos); | |
2682 | ||
2683 | // then record that we are done with this operation | |
2684 | bufferlist v(40); | |
11fdf7f2 | 2685 | encode(spos, v); |
7c673cae | 2686 | bool in_progress = false; |
11fdf7f2 | 2687 | encode(in_progress, v); |
7c673cae FG |
2688 | int r = chain_fsetxattr<true, true>( |
2689 | fd, REPLAY_GUARD_XATTR, v.c_str(), v.length()); | |
2690 | if (r < 0) { | |
2691 | derr << "fsetxattr " << REPLAY_GUARD_XATTR << " got " << cpp_strerror(r) << dendl; | |
11fdf7f2 | 2692 | ceph_abort_msg("fsetxattr failed"); |
7c673cae FG |
2693 | } |
2694 | ||
2695 | // and make sure our xattr is durable. | |
a8e16298 TL |
2696 | r = ::fsync(fd); |
2697 | if (r < 0) { | |
2698 | derr << __func__ << " fsync failed: " << cpp_strerror(errno) << dendl; | |
2699 | ceph_abort(); | |
2700 | } | |
7c673cae FG |
2701 | |
2702 | _inject_failure(); | |
2703 | ||
31f18b77 | 2704 | dout(10) << __FUNC__ << ": " << spos << " done" << dendl; |
7c673cae FG |
2705 | } |
2706 | ||
2707 | int FileStore::_check_replay_guard(const coll_t& cid, const ghobject_t &oid, | |
2708 | const SequencerPosition& spos) | |
2709 | { | |
2710 | if (!replaying || backend->can_checkpoint()) | |
2711 | return 1; | |
2712 | ||
2713 | int r = _check_global_replay_guard(cid, spos); | |
2714 | if (r < 0) | |
2715 | return r; | |
2716 | ||
2717 | FDRef fd; | |
2718 | r = lfn_open(cid, oid, false, &fd); | |
2719 | if (r < 0) { | |
31f18b77 | 2720 | dout(10) << __FUNC__ << ": " << cid << " " << oid << " dne" << dendl; |
7c673cae FG |
2721 | return 1; // if file does not exist, there is no guard, and we can replay. |
2722 | } | |
2723 | int ret = _check_replay_guard(**fd, spos); | |
2724 | lfn_close(fd); | |
2725 | return ret; | |
2726 | } | |
2727 | ||
2728 | int FileStore::_check_replay_guard(const coll_t& cid, const SequencerPosition& spos) | |
2729 | { | |
2730 | if (!replaying || backend->can_checkpoint()) | |
2731 | return 1; | |
2732 | ||
2733 | char fn[PATH_MAX]; | |
2734 | get_cdir(cid, fn, sizeof(fn)); | |
91327a77 | 2735 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae | 2736 | if (fd < 0) { |
31f18b77 | 2737 | dout(10) << __FUNC__ << ": " << cid << " dne" << dendl; |
7c673cae FG |
2738 | return 1; // if collection does not exist, there is no guard, and we can replay. |
2739 | } | |
2740 | int ret = _check_replay_guard(fd, spos); | |
2741 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
2742 | return ret; | |
2743 | } | |
2744 | ||
2745 | int FileStore::_check_replay_guard(int fd, const SequencerPosition& spos) | |
2746 | { | |
2747 | if (!replaying || backend->can_checkpoint()) | |
2748 | return 1; | |
2749 | ||
2750 | char buf[100]; | |
2751 | int r = chain_fgetxattr(fd, REPLAY_GUARD_XATTR, buf, sizeof(buf)); | |
2752 | if (r < 0) { | |
31f18b77 | 2753 | dout(20) << __FUNC__ << ": no xattr" << dendl; |
11fdf7f2 | 2754 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
2755 | return 1; // no xattr |
2756 | } | |
2757 | bufferlist bl; | |
2758 | bl.append(buf, r); | |
2759 | ||
2760 | SequencerPosition opos; | |
11fdf7f2 TL |
2761 | auto p = bl.cbegin(); |
2762 | decode(opos, p); | |
7c673cae FG |
2763 | bool in_progress = false; |
2764 | if (!p.end()) // older journals don't have this | |
11fdf7f2 | 2765 | decode(in_progress, p); |
7c673cae | 2766 | if (opos > spos) { |
31f18b77 | 2767 | dout(10) << __FUNC__ << ": object has " << opos << " > current pos " << spos |
7c673cae FG |
2768 | << ", now or in future, SKIPPING REPLAY" << dendl; |
2769 | return -1; | |
2770 | } else if (opos == spos) { | |
2771 | if (in_progress) { | |
31f18b77 | 2772 | dout(10) << __FUNC__ << ": object has " << opos << " == current pos " << spos |
7c673cae FG |
2773 | << ", in_progress=true, CONDITIONAL REPLAY" << dendl; |
2774 | return 0; | |
2775 | } else { | |
31f18b77 | 2776 | dout(10) << __FUNC__ << ": object has " << opos << " == current pos " << spos |
7c673cae FG |
2777 | << ", in_progress=false, SKIPPING REPLAY" << dendl; |
2778 | return -1; | |
2779 | } | |
2780 | } else { | |
31f18b77 | 2781 | dout(10) << __FUNC__ << ": object has " << opos << " < current pos " << spos |
7c673cae FG |
2782 | << ", in past, will replay" << dendl; |
2783 | return 1; | |
2784 | } | |
2785 | } | |
2786 | ||
2787 | void FileStore::_do_transaction( | |
2788 | Transaction& t, uint64_t op_seq, int trans_num, | |
11fdf7f2 TL |
2789 | ThreadPool::TPHandle *handle, |
2790 | const char *osr_name) | |
7c673cae | 2791 | { |
31f18b77 | 2792 | dout(10) << __FUNC__ << ": on " << &t << dendl; |
7c673cae | 2793 | |
7c673cae FG |
2794 | Transaction::iterator i = t.begin(); |
2795 | ||
2796 | SequencerPosition spos(op_seq, trans_num, 0); | |
2797 | while (i.have_op()) { | |
2798 | if (handle) | |
2799 | handle->reset_tp_timeout(); | |
2800 | ||
2801 | Transaction::Op *op = i.decode_op(); | |
2802 | int r = 0; | |
2803 | ||
2804 | _inject_failure(); | |
2805 | ||
2806 | switch (op->op) { | |
2807 | case Transaction::OP_NOP: | |
2808 | break; | |
2809 | case Transaction::OP_TOUCH: | |
9f95a23c | 2810 | case Transaction::OP_CREATE: |
7c673cae FG |
2811 | { |
2812 | const coll_t &_cid = i.get_cid(op->cid); | |
2813 | const ghobject_t &oid = i.get_oid(op->oid); | |
2814 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2815 | _cid : _cid.get_temp(); | |
2816 | tracepoint(objectstore, touch_enter, osr_name); | |
2817 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2818 | r = _touch(cid, oid); | |
2819 | tracepoint(objectstore, touch_exit, r); | |
2820 | } | |
2821 | break; | |
2822 | ||
2823 | case Transaction::OP_WRITE: | |
2824 | { | |
2825 | const coll_t &_cid = i.get_cid(op->cid); | |
2826 | const ghobject_t &oid = i.get_oid(op->oid); | |
2827 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2828 | _cid : _cid.get_temp(); | |
2829 | uint64_t off = op->off; | |
2830 | uint64_t len = op->len; | |
2831 | uint32_t fadvise_flags = i.get_fadvise_flags(); | |
2832 | bufferlist bl; | |
2833 | i.decode_bl(bl); | |
2834 | tracepoint(objectstore, write_enter, osr_name, off, len); | |
2835 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2836 | r = _write(cid, oid, off, len, bl, fadvise_flags); | |
2837 | tracepoint(objectstore, write_exit, r); | |
2838 | } | |
2839 | break; | |
2840 | ||
2841 | case Transaction::OP_ZERO: | |
2842 | { | |
2843 | const coll_t &_cid = i.get_cid(op->cid); | |
2844 | const ghobject_t &oid = i.get_oid(op->oid); | |
2845 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2846 | _cid : _cid.get_temp(); | |
2847 | uint64_t off = op->off; | |
2848 | uint64_t len = op->len; | |
2849 | tracepoint(objectstore, zero_enter, osr_name, off, len); | |
2850 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2851 | r = _zero(cid, oid, off, len); | |
2852 | tracepoint(objectstore, zero_exit, r); | |
2853 | } | |
2854 | break; | |
2855 | ||
2856 | case Transaction::OP_TRIMCACHE: | |
2857 | { | |
2858 | // deprecated, no-op | |
2859 | } | |
2860 | break; | |
2861 | ||
2862 | case Transaction::OP_TRUNCATE: | |
2863 | { | |
2864 | const coll_t &_cid = i.get_cid(op->cid); | |
2865 | const ghobject_t &oid = i.get_oid(op->oid); | |
2866 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2867 | _cid : _cid.get_temp(); | |
2868 | uint64_t off = op->off; | |
2869 | tracepoint(objectstore, truncate_enter, osr_name, off); | |
2870 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2871 | r = _truncate(cid, oid, off); | |
2872 | tracepoint(objectstore, truncate_exit, r); | |
2873 | } | |
2874 | break; | |
2875 | ||
2876 | case Transaction::OP_REMOVE: | |
2877 | { | |
2878 | const coll_t &_cid = i.get_cid(op->cid); | |
2879 | const ghobject_t &oid = i.get_oid(op->oid); | |
2880 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2881 | _cid : _cid.get_temp(); | |
2882 | tracepoint(objectstore, remove_enter, osr_name); | |
2883 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2884 | r = _remove(cid, oid, spos); | |
2885 | tracepoint(objectstore, remove_exit, r); | |
2886 | } | |
2887 | break; | |
2888 | ||
2889 | case Transaction::OP_SETATTR: | |
2890 | { | |
2891 | const coll_t &_cid = i.get_cid(op->cid); | |
2892 | const ghobject_t &oid = i.get_oid(op->oid); | |
2893 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2894 | _cid : _cid.get_temp(); | |
2895 | string name = i.decode_string(); | |
2896 | bufferlist bl; | |
2897 | i.decode_bl(bl); | |
2898 | tracepoint(objectstore, setattr_enter, osr_name); | |
2899 | if (_check_replay_guard(cid, oid, spos) > 0) { | |
2900 | map<string, bufferptr> to_set; | |
2901 | to_set[name] = bufferptr(bl.c_str(), bl.length()); | |
2902 | r = _setattrs(cid, oid, to_set, spos); | |
2903 | if (r == -ENOSPC) | |
2904 | dout(0) << " ENOSPC on setxattr on " << cid << "/" << oid | |
2905 | << " name " << name << " size " << bl.length() << dendl; | |
2906 | } | |
2907 | tracepoint(objectstore, setattr_exit, r); | |
2908 | } | |
2909 | break; | |
2910 | ||
2911 | case Transaction::OP_SETATTRS: | |
2912 | { | |
2913 | const coll_t &_cid = i.get_cid(op->cid); | |
2914 | const ghobject_t &oid = i.get_oid(op->oid); | |
2915 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2916 | _cid : _cid.get_temp(); | |
2917 | map<string, bufferptr> aset; | |
2918 | i.decode_attrset(aset); | |
2919 | tracepoint(objectstore, setattrs_enter, osr_name); | |
2920 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2921 | r = _setattrs(cid, oid, aset, spos); | |
2922 | tracepoint(objectstore, setattrs_exit, r); | |
2923 | if (r == -ENOSPC) | |
2924 | dout(0) << " ENOSPC on setxattrs on " << cid << "/" << oid << dendl; | |
2925 | } | |
2926 | break; | |
2927 | ||
2928 | case Transaction::OP_RMATTR: | |
2929 | { | |
2930 | const coll_t &_cid = i.get_cid(op->cid); | |
2931 | const ghobject_t &oid = i.get_oid(op->oid); | |
2932 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2933 | _cid : _cid.get_temp(); | |
2934 | string name = i.decode_string(); | |
2935 | tracepoint(objectstore, rmattr_enter, osr_name); | |
2936 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2937 | r = _rmattr(cid, oid, name.c_str(), spos); | |
2938 | tracepoint(objectstore, rmattr_exit, r); | |
2939 | } | |
2940 | break; | |
2941 | ||
2942 | case Transaction::OP_RMATTRS: | |
2943 | { | |
2944 | const coll_t &_cid = i.get_cid(op->cid); | |
2945 | const ghobject_t &oid = i.get_oid(op->oid); | |
2946 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2947 | _cid : _cid.get_temp(); | |
2948 | tracepoint(objectstore, rmattrs_enter, osr_name); | |
2949 | if (_check_replay_guard(cid, oid, spos) > 0) | |
2950 | r = _rmattrs(cid, oid, spos); | |
2951 | tracepoint(objectstore, rmattrs_exit, r); | |
2952 | } | |
2953 | break; | |
2954 | ||
2955 | case Transaction::OP_CLONE: | |
2956 | { | |
2957 | const coll_t &_cid = i.get_cid(op->cid); | |
2958 | const ghobject_t &oid = i.get_oid(op->oid); | |
2959 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2960 | _cid : _cid.get_temp(); | |
2961 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2962 | tracepoint(objectstore, clone_enter, osr_name); | |
2963 | r = _clone(cid, oid, noid, spos); | |
2964 | tracepoint(objectstore, clone_exit, r); | |
2965 | } | |
2966 | break; | |
2967 | ||
2968 | case Transaction::OP_CLONERANGE: | |
2969 | { | |
2970 | const coll_t &_cid = i.get_cid(op->cid); | |
2971 | const ghobject_t &oid = i.get_oid(op->oid); | |
2972 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2973 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2974 | _cid : _cid.get_temp(); | |
2975 | const coll_t &ncid = !_need_temp_object_collection(_cid, noid) ? | |
2976 | _cid : _cid.get_temp(); | |
2977 | uint64_t off = op->off; | |
2978 | uint64_t len = op->len; | |
2979 | tracepoint(objectstore, clone_range_enter, osr_name, len); | |
2980 | r = _clone_range(cid, oid, ncid, noid, off, len, off, spos); | |
2981 | tracepoint(objectstore, clone_range_exit, r); | |
2982 | } | |
2983 | break; | |
2984 | ||
2985 | case Transaction::OP_CLONERANGE2: | |
2986 | { | |
2987 | const coll_t &_cid = i.get_cid(op->cid); | |
2988 | const ghobject_t &oid = i.get_oid(op->oid); | |
2989 | const ghobject_t &noid = i.get_oid(op->dest_oid); | |
2990 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
2991 | _cid : _cid.get_temp(); | |
2992 | const coll_t &ncid = !_need_temp_object_collection(_cid, noid) ? | |
2993 | _cid : _cid.get_temp(); | |
2994 | uint64_t srcoff = op->off; | |
2995 | uint64_t len = op->len; | |
2996 | uint64_t dstoff = op->dest_off; | |
2997 | tracepoint(objectstore, clone_range2_enter, osr_name, len); | |
2998 | r = _clone_range(cid, oid, ncid, noid, srcoff, len, dstoff, spos); | |
2999 | tracepoint(objectstore, clone_range2_exit, r); | |
3000 | } | |
3001 | break; | |
3002 | ||
3003 | case Transaction::OP_MKCOLL: | |
3004 | { | |
3005 | const coll_t &cid = i.get_cid(op->cid); | |
3006 | tracepoint(objectstore, mkcoll_enter, osr_name); | |
3007 | if (_check_replay_guard(cid, spos) > 0) | |
3008 | r = _create_collection(cid, op->split_bits, spos); | |
3009 | tracepoint(objectstore, mkcoll_exit, r); | |
3010 | } | |
3011 | break; | |
3012 | ||
3013 | case Transaction::OP_COLL_SET_BITS: | |
3014 | { | |
3015 | const coll_t &cid = i.get_cid(op->cid); | |
3016 | int bits = op->split_bits; | |
3017 | r = _collection_set_bits(cid, bits); | |
3018 | } | |
3019 | break; | |
3020 | ||
3021 | case Transaction::OP_COLL_HINT: | |
3022 | { | |
3023 | const coll_t &cid = i.get_cid(op->cid); | |
f67539c2 | 3024 | uint32_t type = op->hint; |
7c673cae FG |
3025 | bufferlist hint; |
3026 | i.decode_bl(hint); | |
11fdf7f2 | 3027 | auto hiter = hint.cbegin(); |
7c673cae FG |
3028 | if (type == Transaction::COLL_HINT_EXPECTED_NUM_OBJECTS) { |
3029 | uint32_t pg_num; | |
3030 | uint64_t num_objs; | |
11fdf7f2 TL |
3031 | decode(pg_num, hiter); |
3032 | decode(num_objs, hiter); | |
7c673cae FG |
3033 | if (_check_replay_guard(cid, spos) > 0) { |
3034 | r = _collection_hint_expected_num_objs(cid, pg_num, num_objs, spos); | |
3035 | } | |
3036 | } else { | |
3037 | // Ignore the hint | |
3038 | dout(10) << "Unrecognized collection hint type: " << type << dendl; | |
3039 | } | |
3040 | } | |
3041 | break; | |
3042 | ||
3043 | case Transaction::OP_RMCOLL: | |
3044 | { | |
3045 | const coll_t &cid = i.get_cid(op->cid); | |
3046 | tracepoint(objectstore, rmcoll_enter, osr_name); | |
3047 | if (_check_replay_guard(cid, spos) > 0) | |
3048 | r = _destroy_collection(cid); | |
3049 | tracepoint(objectstore, rmcoll_exit, r); | |
3050 | } | |
3051 | break; | |
3052 | ||
3053 | case Transaction::OP_COLL_ADD: | |
3054 | { | |
3055 | const coll_t &ocid = i.get_cid(op->cid); | |
3056 | const coll_t &ncid = i.get_cid(op->dest_cid); | |
3057 | const ghobject_t &oid = i.get_oid(op->oid); | |
3058 | ||
11fdf7f2 | 3059 | ceph_assert(oid.hobj.pool >= -1); |
7c673cae FG |
3060 | |
3061 | // always followed by OP_COLL_REMOVE | |
3062 | Transaction::Op *op2 = i.decode_op(); | |
3063 | const coll_t &ocid2 = i.get_cid(op2->cid); | |
3064 | const ghobject_t &oid2 = i.get_oid(op2->oid); | |
11fdf7f2 TL |
3065 | ceph_assert(op2->op == Transaction::OP_COLL_REMOVE); |
3066 | ceph_assert(ocid2 == ocid); | |
3067 | ceph_assert(oid2 == oid); | |
7c673cae FG |
3068 | |
3069 | tracepoint(objectstore, coll_add_enter); | |
3070 | r = _collection_add(ncid, ocid, oid, spos); | |
3071 | tracepoint(objectstore, coll_add_exit, r); | |
3072 | spos.op++; | |
3073 | if (r < 0) | |
3074 | break; | |
3075 | tracepoint(objectstore, coll_remove_enter, osr_name); | |
3076 | if (_check_replay_guard(ocid, oid, spos) > 0) | |
3077 | r = _remove(ocid, oid, spos); | |
3078 | tracepoint(objectstore, coll_remove_exit, r); | |
3079 | } | |
3080 | break; | |
3081 | ||
3082 | case Transaction::OP_COLL_MOVE: | |
3083 | { | |
3084 | // WARNING: this is deprecated and buggy; only here to replay old journals. | |
3085 | const coll_t &ocid = i.get_cid(op->cid); | |
3086 | const coll_t &ncid = i.get_cid(op->dest_cid); | |
3087 | const ghobject_t &oid = i.get_oid(op->oid); | |
3088 | tracepoint(objectstore, coll_move_enter); | |
3089 | r = _collection_add(ocid, ncid, oid, spos); | |
3090 | if (r == 0 && | |
3091 | (_check_replay_guard(ocid, oid, spos) > 0)) | |
3092 | r = _remove(ocid, oid, spos); | |
3093 | tracepoint(objectstore, coll_move_exit, r); | |
3094 | } | |
3095 | break; | |
3096 | ||
3097 | case Transaction::OP_COLL_MOVE_RENAME: | |
3098 | { | |
3099 | const coll_t &_oldcid = i.get_cid(op->cid); | |
3100 | const ghobject_t &oldoid = i.get_oid(op->oid); | |
3101 | const coll_t &_newcid = i.get_cid(op->dest_cid); | |
3102 | const ghobject_t &newoid = i.get_oid(op->dest_oid); | |
3103 | const coll_t &oldcid = !_need_temp_object_collection(_oldcid, oldoid) ? | |
3104 | _oldcid : _oldcid.get_temp(); | |
3105 | const coll_t &newcid = !_need_temp_object_collection(_newcid, newoid) ? | |
3106 | _oldcid : _newcid.get_temp(); | |
3107 | tracepoint(objectstore, coll_move_rename_enter); | |
3108 | r = _collection_move_rename(oldcid, oldoid, newcid, newoid, spos); | |
3109 | tracepoint(objectstore, coll_move_rename_exit, r); | |
3110 | } | |
3111 | break; | |
3112 | ||
3113 | case Transaction::OP_TRY_RENAME: | |
3114 | { | |
3115 | const coll_t &_cid = i.get_cid(op->cid); | |
3116 | const ghobject_t &oldoid = i.get_oid(op->oid); | |
3117 | const ghobject_t &newoid = i.get_oid(op->dest_oid); | |
3118 | const coll_t &oldcid = !_need_temp_object_collection(_cid, oldoid) ? | |
3119 | _cid : _cid.get_temp(); | |
3120 | const coll_t &newcid = !_need_temp_object_collection(_cid, newoid) ? | |
3121 | _cid : _cid.get_temp(); | |
3122 | tracepoint(objectstore, coll_try_rename_enter); | |
3123 | r = _collection_move_rename(oldcid, oldoid, newcid, newoid, spos, true); | |
3124 | tracepoint(objectstore, coll_try_rename_exit, r); | |
3125 | } | |
3126 | break; | |
3127 | ||
3128 | case Transaction::OP_COLL_SETATTR: | |
3129 | case Transaction::OP_COLL_RMATTR: | |
11fdf7f2 | 3130 | ceph_abort_msg("collection attr methods no longer implemented"); |
7c673cae FG |
3131 | break; |
3132 | ||
3133 | case Transaction::OP_COLL_RENAME: | |
3134 | { | |
3135 | r = -EOPNOTSUPP; | |
3136 | } | |
3137 | break; | |
3138 | ||
3139 | case Transaction::OP_OMAP_CLEAR: | |
3140 | { | |
3141 | const coll_t &_cid = i.get_cid(op->cid); | |
3142 | const ghobject_t &oid = i.get_oid(op->oid); | |
3143 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3144 | _cid : _cid.get_temp(); | |
3145 | tracepoint(objectstore, omap_clear_enter, osr_name); | |
28e407b8 AA |
3146 | if (_check_replay_guard(cid, oid, spos) > 0) |
3147 | r = _omap_clear(cid, oid, spos); | |
7c673cae FG |
3148 | tracepoint(objectstore, omap_clear_exit, r); |
3149 | } | |
3150 | break; | |
3151 | case Transaction::OP_OMAP_SETKEYS: | |
3152 | { | |
3153 | const coll_t &_cid = i.get_cid(op->cid); | |
3154 | const ghobject_t &oid = i.get_oid(op->oid); | |
3155 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3156 | _cid : _cid.get_temp(); | |
3157 | map<string, bufferlist> aset; | |
3158 | i.decode_attrset(aset); | |
3159 | tracepoint(objectstore, omap_setkeys_enter, osr_name); | |
28e407b8 AA |
3160 | if (_check_replay_guard(cid, oid, spos) > 0) |
3161 | r = _omap_setkeys(cid, oid, aset, spos); | |
7c673cae FG |
3162 | tracepoint(objectstore, omap_setkeys_exit, r); |
3163 | } | |
3164 | break; | |
3165 | case Transaction::OP_OMAP_RMKEYS: | |
3166 | { | |
3167 | const coll_t &_cid = i.get_cid(op->cid); | |
3168 | const ghobject_t &oid = i.get_oid(op->oid); | |
3169 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3170 | _cid : _cid.get_temp(); | |
3171 | set<string> keys; | |
3172 | i.decode_keyset(keys); | |
3173 | tracepoint(objectstore, omap_rmkeys_enter, osr_name); | |
28e407b8 AA |
3174 | if (_check_replay_guard(cid, oid, spos) > 0) |
3175 | r = _omap_rmkeys(cid, oid, keys, spos); | |
7c673cae FG |
3176 | tracepoint(objectstore, omap_rmkeys_exit, r); |
3177 | } | |
3178 | break; | |
3179 | case Transaction::OP_OMAP_RMKEYRANGE: | |
3180 | { | |
3181 | const coll_t &_cid = i.get_cid(op->cid); | |
3182 | const ghobject_t &oid = i.get_oid(op->oid); | |
3183 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3184 | _cid : _cid.get_temp(); | |
3185 | string first, last; | |
3186 | first = i.decode_string(); | |
3187 | last = i.decode_string(); | |
3188 | tracepoint(objectstore, omap_rmkeyrange_enter, osr_name); | |
28e407b8 AA |
3189 | if (_check_replay_guard(cid, oid, spos) > 0) |
3190 | r = _omap_rmkeyrange(cid, oid, first, last, spos); | |
7c673cae FG |
3191 | tracepoint(objectstore, omap_rmkeyrange_exit, r); |
3192 | } | |
3193 | break; | |
3194 | case Transaction::OP_OMAP_SETHEADER: | |
3195 | { | |
3196 | const coll_t &_cid = i.get_cid(op->cid); | |
3197 | const ghobject_t &oid = i.get_oid(op->oid); | |
3198 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3199 | _cid : _cid.get_temp(); | |
3200 | bufferlist bl; | |
3201 | i.decode_bl(bl); | |
3202 | tracepoint(objectstore, omap_setheader_enter, osr_name); | |
28e407b8 AA |
3203 | if (_check_replay_guard(cid, oid, spos) > 0) |
3204 | r = _omap_setheader(cid, oid, bl, spos); | |
7c673cae FG |
3205 | tracepoint(objectstore, omap_setheader_exit, r); |
3206 | } | |
3207 | break; | |
3208 | case Transaction::OP_SPLIT_COLLECTION: | |
3209 | { | |
11fdf7f2 | 3210 | ceph_abort_msg("not legacy journal; upgrade to firefly first"); |
7c673cae FG |
3211 | } |
3212 | break; | |
3213 | case Transaction::OP_SPLIT_COLLECTION2: | |
3214 | { | |
3215 | coll_t cid = i.get_cid(op->cid); | |
3216 | uint32_t bits = op->split_bits; | |
3217 | uint32_t rem = op->split_rem; | |
3218 | coll_t dest = i.get_cid(op->dest_cid); | |
3219 | tracepoint(objectstore, split_coll2_enter, osr_name); | |
3220 | r = _split_collection(cid, bits, rem, dest, spos); | |
3221 | tracepoint(objectstore, split_coll2_exit, r); | |
3222 | } | |
3223 | break; | |
3224 | ||
11fdf7f2 TL |
3225 | case Transaction::OP_MERGE_COLLECTION: |
3226 | { | |
3227 | coll_t cid = i.get_cid(op->cid); | |
3228 | uint32_t bits = op->split_bits; | |
3229 | coll_t dest = i.get_cid(op->dest_cid); | |
3230 | tracepoint(objectstore, merge_coll_enter, osr_name); | |
3231 | r = _merge_collection(cid, bits, dest, spos); | |
3232 | tracepoint(objectstore, merge_coll_exit, r); | |
3233 | } | |
3234 | break; | |
3235 | ||
7c673cae FG |
3236 | case Transaction::OP_SETALLOCHINT: |
3237 | { | |
3238 | const coll_t &_cid = i.get_cid(op->cid); | |
3239 | const ghobject_t &oid = i.get_oid(op->oid); | |
3240 | const coll_t &cid = !_need_temp_object_collection(_cid, oid) ? | |
3241 | _cid : _cid.get_temp(); | |
3242 | uint64_t expected_object_size = op->expected_object_size; | |
3243 | uint64_t expected_write_size = op->expected_write_size; | |
3244 | tracepoint(objectstore, setallochint_enter, osr_name); | |
3245 | if (_check_replay_guard(cid, oid, spos) > 0) | |
3246 | r = _set_alloc_hint(cid, oid, expected_object_size, | |
3247 | expected_write_size); | |
3248 | tracepoint(objectstore, setallochint_exit, r); | |
3249 | } | |
3250 | break; | |
3251 | ||
3252 | default: | |
3253 | derr << "bad op " << op->op << dendl; | |
3254 | ceph_abort(); | |
3255 | } | |
3256 | ||
3257 | if (r < 0) { | |
3258 | bool ok = false; | |
3259 | ||
3260 | if (r == -ENOENT && !(op->op == Transaction::OP_CLONERANGE || | |
3261 | op->op == Transaction::OP_CLONE || | |
3262 | op->op == Transaction::OP_CLONERANGE2 || | |
3263 | op->op == Transaction::OP_COLL_ADD || | |
3264 | op->op == Transaction::OP_SETATTR || | |
3265 | op->op == Transaction::OP_SETATTRS || | |
3266 | op->op == Transaction::OP_RMATTR || | |
3267 | op->op == Transaction::OP_OMAP_SETKEYS || | |
3268 | op->op == Transaction::OP_OMAP_RMKEYS || | |
3269 | op->op == Transaction::OP_OMAP_RMKEYRANGE || | |
3270 | op->op == Transaction::OP_OMAP_SETHEADER)) | |
3271 | // -ENOENT is normally okay | |
3272 | // ...including on a replayed OP_RMCOLL with checkpoint mode | |
3273 | ok = true; | |
3274 | if (r == -ENODATA) | |
3275 | ok = true; | |
3276 | ||
3277 | if (op->op == Transaction::OP_SETALLOCHINT) | |
3278 | // Either EOPNOTSUPP or EINVAL most probably. EINVAL in most | |
3279 | // cases means invalid hint size (e.g. too big, not a multiple | |
3280 | // of block size, etc) or, at least on xfs, an attempt to set | |
3281 | // or change it when the file is not empty. However, | |
3282 | // OP_SETALLOCHINT is advisory, so ignore all errors. | |
3283 | ok = true; | |
3284 | ||
3285 | if (replaying && !backend->can_checkpoint()) { | |
3286 | if (r == -EEXIST && op->op == Transaction::OP_MKCOLL) { | |
3287 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3288 | ok = true; | |
3289 | } | |
3290 | if (r == -EEXIST && op->op == Transaction::OP_COLL_ADD) { | |
3291 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3292 | ok = true; | |
3293 | } | |
3294 | if (r == -EEXIST && op->op == Transaction::OP_COLL_MOVE) { | |
3295 | dout(10) << "tolerating EEXIST during journal replay since checkpoint is not enabled" << dendl; | |
3296 | ok = true; | |
3297 | } | |
3298 | if (r == -ERANGE) { | |
3299 | dout(10) << "tolerating ERANGE on replay" << dendl; | |
3300 | ok = true; | |
3301 | } | |
3302 | if (r == -ENOENT) { | |
3303 | dout(10) << "tolerating ENOENT on replay" << dendl; | |
3304 | ok = true; | |
3305 | } | |
3306 | } | |
3307 | ||
3308 | if (!ok) { | |
3309 | const char *msg = "unexpected error code"; | |
3310 | ||
3311 | if (r == -ENOENT && (op->op == Transaction::OP_CLONERANGE || | |
3312 | op->op == Transaction::OP_CLONE || | |
3313 | op->op == Transaction::OP_CLONERANGE2)) { | |
3314 | msg = "ENOENT on clone suggests osd bug"; | |
3315 | } else if (r == -ENOSPC) { | |
3316 | // For now, if we hit _any_ ENOSPC, crash, before we do any damage | |
3317 | // by partially applying transactions. | |
3318 | msg = "ENOSPC from disk filesystem, misconfigured cluster"; | |
3319 | } else if (r == -ENOTEMPTY) { | |
3320 | msg = "ENOTEMPTY suggests garbage data in osd data dir"; | |
3321 | } else if (r == -EPERM) { | |
3322 | msg = "EPERM suggests file(s) in osd data dir not owned by ceph user, or leveldb corruption"; | |
3323 | } | |
3324 | ||
3325 | derr << " error " << cpp_strerror(r) << " not handled on operation " << op | |
3326 | << " (" << spos << ", or op " << spos.op << ", counting from 0)" << dendl; | |
3327 | dout(0) << msg << dendl; | |
3328 | dout(0) << " transaction dump:\n"; | |
3329 | JSONFormatter f(true); | |
3330 | f.open_object_section("transaction"); | |
3331 | t.dump(&f); | |
3332 | f.close_section(); | |
3333 | f.flush(*_dout); | |
3334 | *_dout << dendl; | |
3335 | ||
3336 | if (r == -EMFILE) { | |
3337 | dump_open_fds(cct); | |
3338 | } | |
3339 | ||
11fdf7f2 | 3340 | ceph_abort_msg("unexpected error"); |
7c673cae FG |
3341 | } |
3342 | } | |
3343 | ||
3344 | spos.op++; | |
3345 | } | |
3346 | ||
3347 | _inject_failure(); | |
3348 | } | |
3349 | ||
3350 | /*********************************************/ | |
3351 | ||
3352 | ||
3353 | ||
3354 | // -------------------- | |
3355 | // objects | |
3356 | ||
11fdf7f2 | 3357 | bool FileStore::exists(CollectionHandle& ch, const ghobject_t& oid) |
7c673cae | 3358 | { |
11fdf7f2 TL |
3359 | tracepoint(objectstore, exists_enter, ch->cid.c_str()); |
3360 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
3361 | osr->wait_for_apply(oid); | |
7c673cae | 3362 | struct stat st; |
11fdf7f2 | 3363 | bool retval = stat(ch, oid, &st) == 0; |
7c673cae FG |
3364 | tracepoint(objectstore, exists_exit, retval); |
3365 | return retval; | |
3366 | } | |
3367 | ||
3368 | int FileStore::stat( | |
11fdf7f2 | 3369 | CollectionHandle& ch, const ghobject_t& oid, struct stat *st, bool allow_eio) |
7c673cae | 3370 | { |
11fdf7f2 TL |
3371 | tracepoint(objectstore, stat_enter, ch->cid.c_str()); |
3372 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
3373 | osr->wait_for_apply(oid); | |
3374 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae | 3375 | int r = lfn_stat(cid, oid, st); |
11fdf7f2 | 3376 | ceph_assert(allow_eio || !m_filestore_fail_eio || r != -EIO); |
7c673cae | 3377 | if (r < 0) { |
11fdf7f2 | 3378 | dout(10) << __FUNC__ << ": " << ch->cid << "/" << oid |
7c673cae FG |
3379 | << " = " << r << dendl; |
3380 | } else { | |
11fdf7f2 | 3381 | dout(10) << __FUNC__ << ": " << ch->cid << "/" << oid |
7c673cae FG |
3382 | << " = " << r |
3383 | << " (size " << st->st_size << ")" << dendl; | |
3384 | } | |
3385 | if (cct->_conf->filestore_debug_inject_read_err && | |
3386 | debug_mdata_eio(oid)) { | |
3387 | return -EIO; | |
3388 | } else { | |
3389 | tracepoint(objectstore, stat_exit, r); | |
3390 | return r; | |
3391 | } | |
3392 | } | |
3393 | ||
3394 | int FileStore::set_collection_opts( | |
11fdf7f2 | 3395 | CollectionHandle& ch, |
7c673cae FG |
3396 | const pool_opts_t& opts) |
3397 | { | |
3398 | return -EOPNOTSUPP; | |
3399 | } | |
3400 | ||
3401 | int FileStore::read( | |
11fdf7f2 | 3402 | CollectionHandle& ch, |
7c673cae FG |
3403 | const ghobject_t& oid, |
3404 | uint64_t offset, | |
3405 | size_t len, | |
3406 | bufferlist& bl, | |
224ce89b | 3407 | uint32_t op_flags) |
7c673cae FG |
3408 | { |
3409 | int got; | |
11fdf7f2 TL |
3410 | tracepoint(objectstore, read_enter, ch->cid.c_str(), offset, len); |
3411 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae | 3412 | |
31f18b77 | 3413 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae | 3414 | |
11fdf7f2 TL |
3415 | auto osr = static_cast<OpSequencer*>(ch.get()); |
3416 | osr->wait_for_apply(oid); | |
3417 | ||
7c673cae FG |
3418 | FDRef fd; |
3419 | int r = lfn_open(cid, oid, false, &fd); | |
3420 | if (r < 0) { | |
31f18b77 | 3421 | dout(10) << __FUNC__ << ": (" << cid << "/" << oid << ") open error: " |
7c673cae FG |
3422 | << cpp_strerror(r) << dendl; |
3423 | return r; | |
3424 | } | |
3425 | ||
3426 | if (offset == 0 && len == 0) { | |
3427 | struct stat st; | |
3428 | memset(&st, 0, sizeof(struct stat)); | |
3429 | int r = ::fstat(**fd, &st); | |
11fdf7f2 | 3430 | ceph_assert(r == 0); |
7c673cae FG |
3431 | len = st.st_size; |
3432 | } | |
3433 | ||
3434 | #ifdef HAVE_POSIX_FADVISE | |
3435 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_RANDOM) | |
3436 | posix_fadvise(**fd, offset, len, POSIX_FADV_RANDOM); | |
3437 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL) | |
3438 | posix_fadvise(**fd, offset, len, POSIX_FADV_SEQUENTIAL); | |
3439 | #endif | |
3440 | ||
3441 | bufferptr bptr(len); // prealloc space for entire read | |
3442 | got = safe_pread(**fd, bptr.c_str(), len, offset); | |
3443 | if (got < 0) { | |
31f18b77 | 3444 | dout(10) << __FUNC__ << ": (" << cid << "/" << oid << ") pread error: " << cpp_strerror(got) << dendl; |
7c673cae | 3445 | lfn_close(fd); |
7c673cae FG |
3446 | return got; |
3447 | } | |
3448 | bptr.set_length(got); // properly size the buffer | |
3449 | bl.clear(); | |
3450 | bl.push_back(std::move(bptr)); // put it in the target bufferlist | |
3451 | ||
3452 | #ifdef HAVE_POSIX_FADVISE | |
3453 | if (op_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED) | |
3454 | posix_fadvise(**fd, offset, len, POSIX_FADV_DONTNEED); | |
3455 | if (op_flags & (CEPH_OSD_OP_FLAG_FADVISE_RANDOM | CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL)) | |
3456 | posix_fadvise(**fd, offset, len, POSIX_FADV_NORMAL); | |
3457 | #endif | |
3458 | ||
3459 | if (m_filestore_sloppy_crc && (!replaying || backend->can_checkpoint())) { | |
3460 | ostringstream ss; | |
3461 | int errors = backend->_crc_verify_read(**fd, offset, got, bl, &ss); | |
3462 | if (errors != 0) { | |
31f18b77 | 3463 | dout(0) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" |
7c673cae | 3464 | << got << " ... BAD CRC:\n" << ss.str() << dendl; |
11fdf7f2 | 3465 | ceph_abort_msg("bad crc on read"); |
7c673cae FG |
3466 | } |
3467 | } | |
3468 | ||
3469 | lfn_close(fd); | |
3470 | ||
31f18b77 | 3471 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" |
7c673cae FG |
3472 | << got << "/" << len << dendl; |
3473 | if (cct->_conf->filestore_debug_inject_read_err && | |
3474 | debug_data_eio(oid)) { | |
3475 | return -EIO; | |
11fdf7f2 TL |
3476 | } else if (oid.hobj.pool > 0 && /* FIXME, see #23029 */ |
3477 | cct->_conf->filestore_debug_random_read_err && | |
3478 | (rand() % (int)(cct->_conf->filestore_debug_random_read_err * | |
3479 | 100.0)) == 0) { | |
224ce89b WB |
3480 | dout(0) << __func__ << ": inject random EIO" << dendl; |
3481 | return -EIO; | |
7c673cae FG |
3482 | } else { |
3483 | tracepoint(objectstore, read_exit, got); | |
3484 | return got; | |
3485 | } | |
3486 | } | |
3487 | ||
3488 | int FileStore::_do_fiemap(int fd, uint64_t offset, size_t len, | |
3489 | map<uint64_t, uint64_t> *m) | |
3490 | { | |
3491 | uint64_t i; | |
11fdf7f2 TL |
3492 | struct fiemap_extent *extent = nullptr; |
3493 | struct fiemap *fiemap = nullptr; | |
7c673cae FG |
3494 | int r = 0; |
3495 | ||
3496 | more: | |
3497 | r = backend->do_fiemap(fd, offset, len, &fiemap); | |
3498 | if (r < 0) | |
3499 | return r; | |
3500 | ||
3501 | if (fiemap->fm_mapped_extents == 0) { | |
3502 | free(fiemap); | |
3503 | return r; | |
3504 | } | |
3505 | ||
3506 | extent = &fiemap->fm_extents[0]; | |
3507 | ||
3508 | /* start where we were asked to start */ | |
3509 | if (extent->fe_logical < offset) { | |
3510 | extent->fe_length -= offset - extent->fe_logical; | |
3511 | extent->fe_logical = offset; | |
3512 | } | |
3513 | ||
3514 | i = 0; | |
3515 | ||
3516 | struct fiemap_extent *last = nullptr; | |
3517 | while (i < fiemap->fm_mapped_extents) { | |
3518 | struct fiemap_extent *next = extent + 1; | |
3519 | ||
31f18b77 | 3520 | dout(10) << __FUNC__ << ": fm_mapped_extents=" << fiemap->fm_mapped_extents |
7c673cae FG |
3521 | << " fe_logical=" << extent->fe_logical << " fe_length=" << extent->fe_length << dendl; |
3522 | ||
3523 | /* try to merge extents */ | |
3524 | while ((i < fiemap->fm_mapped_extents - 1) && | |
3525 | (extent->fe_logical + extent->fe_length == next->fe_logical)) { | |
3526 | next->fe_length += extent->fe_length; | |
3527 | next->fe_logical = extent->fe_logical; | |
3528 | extent = next; | |
3529 | next = extent + 1; | |
3530 | i++; | |
3531 | } | |
3532 | ||
3533 | if (extent->fe_logical + extent->fe_length > offset + len) | |
3534 | extent->fe_length = offset + len - extent->fe_logical; | |
3535 | (*m)[extent->fe_logical] = extent->fe_length; | |
3536 | i++; | |
3537 | last = extent++; | |
3538 | } | |
3539 | uint64_t xoffset = last->fe_logical + last->fe_length - offset; | |
3540 | offset = last->fe_logical + last->fe_length; | |
3541 | len -= xoffset; | |
3542 | const bool is_last = (last->fe_flags & FIEMAP_EXTENT_LAST) || (len == 0); | |
3543 | free(fiemap); | |
3544 | if (!is_last) { | |
3545 | goto more; | |
3546 | } | |
3547 | ||
3548 | return r; | |
3549 | } | |
3550 | ||
3551 | int FileStore::_do_seek_hole_data(int fd, uint64_t offset, size_t len, | |
3552 | map<uint64_t, uint64_t> *m) | |
3553 | { | |
3554 | #if defined(__linux__) && defined(SEEK_HOLE) && defined(SEEK_DATA) | |
3555 | off_t hole_pos, data_pos; | |
3556 | int r = 0; | |
3557 | ||
3558 | // If lseek fails with errno setting to be ENXIO, this means the current | |
3559 | // file offset is beyond the end of the file. | |
3560 | off_t start = offset; | |
3561 | while(start < (off_t)(offset + len)) { | |
3562 | data_pos = lseek(fd, start, SEEK_DATA); | |
3563 | if (data_pos < 0) { | |
3564 | if (errno == ENXIO) | |
3565 | break; | |
3566 | else { | |
3567 | r = -errno; | |
3568 | dout(10) << "failed to lseek: " << cpp_strerror(r) << dendl; | |
3569 | return r; | |
3570 | } | |
3571 | } else if (data_pos > (off_t)(offset + len)) { | |
3572 | break; | |
3573 | } | |
3574 | ||
3575 | hole_pos = lseek(fd, data_pos, SEEK_HOLE); | |
3576 | if (hole_pos < 0) { | |
3577 | if (errno == ENXIO) { | |
3578 | break; | |
3579 | } else { | |
3580 | r = -errno; | |
3581 | dout(10) << "failed to lseek: " << cpp_strerror(r) << dendl; | |
3582 | return r; | |
3583 | } | |
3584 | } | |
3585 | ||
3586 | if (hole_pos >= (off_t)(offset + len)) { | |
3587 | (*m)[data_pos] = offset + len - data_pos; | |
3588 | break; | |
3589 | } | |
3590 | (*m)[data_pos] = hole_pos - data_pos; | |
3591 | start = hole_pos; | |
3592 | } | |
3593 | ||
3594 | return r; | |
3595 | #else | |
3596 | (*m)[offset] = len; | |
3597 | return 0; | |
3598 | #endif | |
3599 | } | |
3600 | ||
11fdf7f2 | 3601 | int FileStore::fiemap(CollectionHandle& ch, const ghobject_t& oid, |
7c673cae FG |
3602 | uint64_t offset, size_t len, |
3603 | bufferlist& bl) | |
3604 | { | |
3605 | map<uint64_t, uint64_t> exomap; | |
11fdf7f2 | 3606 | int r = fiemap(ch, oid, offset, len, exomap); |
7c673cae | 3607 | if (r >= 0) { |
11fdf7f2 | 3608 | encode(exomap, bl); |
7c673cae FG |
3609 | } |
3610 | return r; | |
3611 | } | |
3612 | ||
11fdf7f2 | 3613 | int FileStore::fiemap(CollectionHandle& ch, const ghobject_t& oid, |
7c673cae FG |
3614 | uint64_t offset, size_t len, |
3615 | map<uint64_t, uint64_t>& destmap) | |
3616 | { | |
11fdf7f2 TL |
3617 | tracepoint(objectstore, fiemap_enter, ch->cid.c_str(), offset, len); |
3618 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae FG |
3619 | destmap.clear(); |
3620 | ||
3621 | if ((!backend->has_seek_data_hole() && !backend->has_fiemap()) || | |
3622 | len <= (size_t)m_filestore_fiemap_threshold) { | |
3623 | destmap[offset] = len; | |
3624 | return 0; | |
3625 | } | |
3626 | ||
31f18b77 | 3627 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae | 3628 | |
11fdf7f2 TL |
3629 | auto osr = static_cast<OpSequencer*>(ch.get()); |
3630 | osr->wait_for_apply(oid); | |
3631 | ||
7c673cae FG |
3632 | FDRef fd; |
3633 | ||
3634 | int r = lfn_open(cid, oid, false, &fd); | |
3635 | if (r < 0) { | |
3636 | dout(10) << "read couldn't open " << cid << "/" << oid << ": " << cpp_strerror(r) << dendl; | |
3637 | goto done; | |
3638 | } | |
3639 | ||
3640 | if (backend->has_seek_data_hole()) { | |
3641 | dout(15) << "seek_data/seek_hole " << cid << "/" << oid << " " << offset << "~" << len << dendl; | |
3642 | r = _do_seek_hole_data(**fd, offset, len, &destmap); | |
3643 | } else if (backend->has_fiemap()) { | |
3644 | dout(15) << "fiemap ioctl" << cid << "/" << oid << " " << offset << "~" << len << dendl; | |
3645 | r = _do_fiemap(**fd, offset, len, &destmap); | |
3646 | } | |
3647 | ||
3648 | lfn_close(fd); | |
3649 | ||
3650 | done: | |
3651 | ||
31f18b77 | 3652 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << r << " num_extents=" << destmap.size() << " " << destmap << dendl; |
11fdf7f2 | 3653 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
3654 | tracepoint(objectstore, fiemap_exit, r); |
3655 | return r; | |
3656 | } | |
3657 | ||
3658 | int FileStore::_remove(const coll_t& cid, const ghobject_t& oid, | |
3659 | const SequencerPosition &spos) | |
3660 | { | |
31f18b77 | 3661 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae | 3662 | int r = lfn_unlink(cid, oid, spos); |
31f18b77 | 3663 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
3664 | return r; |
3665 | } | |
3666 | ||
3667 | int FileStore::_truncate(const coll_t& cid, const ghobject_t& oid, uint64_t size) | |
3668 | { | |
31f18b77 | 3669 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " size " << size << dendl; |
7c673cae | 3670 | int r = lfn_truncate(cid, oid, size); |
31f18b77 | 3671 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " size " << size << " = " << r << dendl; |
7c673cae FG |
3672 | return r; |
3673 | } | |
3674 | ||
3675 | ||
3676 | int FileStore::_touch(const coll_t& cid, const ghobject_t& oid) | |
3677 | { | |
31f18b77 | 3678 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
3679 | |
3680 | FDRef fd; | |
3681 | int r = lfn_open(cid, oid, true, &fd); | |
3682 | if (r < 0) { | |
3683 | return r; | |
3684 | } else { | |
3685 | lfn_close(fd); | |
3686 | } | |
31f18b77 | 3687 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
3688 | return r; |
3689 | } | |
3690 | ||
3691 | int FileStore::_write(const coll_t& cid, const ghobject_t& oid, | |
3692 | uint64_t offset, size_t len, | |
3693 | const bufferlist& bl, uint32_t fadvise_flags) | |
3694 | { | |
31f18b77 | 3695 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3696 | int r; |
3697 | ||
3698 | FDRef fd; | |
3699 | r = lfn_open(cid, oid, true, &fd); | |
3700 | if (r < 0) { | |
31f18b77 | 3701 | dout(0) << __FUNC__ << ": couldn't open " << cid << "/" |
7c673cae FG |
3702 | << oid << ": " |
3703 | << cpp_strerror(r) << dendl; | |
3704 | goto out; | |
3705 | } | |
3706 | ||
3707 | // write | |
3708 | r = bl.write_fd(**fd, offset); | |
3709 | if (r < 0) { | |
31f18b77 | 3710 | derr << __FUNC__ << ": write_fd on " << cid << "/" << oid |
7c673cae FG |
3711 | << " error: " << cpp_strerror(r) << dendl; |
3712 | lfn_close(fd); | |
3713 | goto out; | |
3714 | } | |
3715 | r = bl.length(); | |
3716 | ||
3717 | if (r >= 0 && m_filestore_sloppy_crc) { | |
3718 | int rc = backend->_crc_update_write(**fd, offset, len, bl); | |
11fdf7f2 | 3719 | ceph_assert(rc >= 0); |
7c673cae FG |
3720 | } |
3721 | ||
3722 | if (replaying || m_disable_wbthrottle) { | |
3723 | if (fadvise_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED) { | |
3724 | #ifdef HAVE_POSIX_FADVISE | |
3725 | posix_fadvise(**fd, 0, 0, POSIX_FADV_DONTNEED); | |
3726 | #endif | |
3727 | } | |
3728 | } else { | |
3729 | wbthrottle.queue_wb(fd, oid, offset, len, | |
3730 | fadvise_flags & CEPH_OSD_OP_FLAG_FADVISE_DONTNEED); | |
3731 | } | |
3732 | ||
3733 | lfn_close(fd); | |
3734 | ||
3735 | out: | |
31f18b77 | 3736 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << r << dendl; |
7c673cae FG |
3737 | return r; |
3738 | } | |
3739 | ||
3740 | int FileStore::_zero(const coll_t& cid, const ghobject_t& oid, uint64_t offset, size_t len) | |
3741 | { | |
31f18b77 | 3742 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << dendl; |
7c673cae FG |
3743 | int ret = 0; |
3744 | ||
3745 | if (cct->_conf->filestore_punch_hole) { | |
3746 | #ifdef CEPH_HAVE_FALLOCATE | |
11fdf7f2 | 3747 | # if !defined(__APPLE__) && !defined(__FreeBSD__) |
7c673cae FG |
3748 | # ifdef FALLOC_FL_KEEP_SIZE |
3749 | // first try to punch a hole. | |
3750 | FDRef fd; | |
3751 | ret = lfn_open(cid, oid, false, &fd); | |
3752 | if (ret < 0) { | |
3753 | goto out; | |
3754 | } | |
3755 | ||
3756 | struct stat st; | |
3757 | ret = ::fstat(**fd, &st); | |
3758 | if (ret < 0) { | |
3759 | ret = -errno; | |
3760 | lfn_close(fd); | |
3761 | goto out; | |
3762 | } | |
3763 | ||
3764 | // first try fallocate | |
3765 | ret = fallocate(**fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE, | |
3766 | offset, len); | |
3767 | if (ret < 0) { | |
3768 | ret = -errno; | |
3769 | } else { | |
b32b8144 FG |
3770 | // ensure we extend file size, if needed |
3771 | if (len > 0 && offset + len > (uint64_t)st.st_size) { | |
7c673cae FG |
3772 | ret = ::ftruncate(**fd, offset + len); |
3773 | if (ret < 0) { | |
3774 | ret = -errno; | |
3775 | lfn_close(fd); | |
3776 | goto out; | |
3777 | } | |
3778 | } | |
3779 | } | |
3780 | lfn_close(fd); | |
3781 | ||
3782 | if (ret >= 0 && m_filestore_sloppy_crc) { | |
3783 | int rc = backend->_crc_update_zero(**fd, offset, len); | |
11fdf7f2 | 3784 | ceph_assert(rc >= 0); |
7c673cae FG |
3785 | } |
3786 | ||
3787 | if (ret == 0) | |
3788 | goto out; // yay! | |
3789 | if (ret != -EOPNOTSUPP) | |
3790 | goto out; // some other error | |
3791 | # endif | |
3792 | # endif | |
3793 | #endif | |
3794 | } | |
3795 | ||
3796 | // lame, kernel is old and doesn't support it. | |
3797 | // write zeros.. yuck! | |
31f18b77 | 3798 | dout(20) << __FUNC__ << ": falling back to writing zeros" << dendl; |
7c673cae FG |
3799 | { |
3800 | bufferlist bl; | |
3801 | bl.append_zero(len); | |
3802 | ret = _write(cid, oid, offset, len, bl); | |
3803 | } | |
3804 | ||
3805 | #ifdef CEPH_HAVE_FALLOCATE | |
11fdf7f2 | 3806 | # if !defined(__APPLE__) && !defined(__FreeBSD__) |
7c673cae FG |
3807 | # ifdef FALLOC_FL_KEEP_SIZE |
3808 | out: | |
3809 | # endif | |
3810 | # endif | |
3811 | #endif | |
31f18b77 | 3812 | dout(20) << __FUNC__ << ": " << cid << "/" << oid << " " << offset << "~" << len << " = " << ret << dendl; |
7c673cae FG |
3813 | return ret; |
3814 | } | |
3815 | ||
3816 | int FileStore::_clone(const coll_t& cid, const ghobject_t& oldoid, const ghobject_t& newoid, | |
3817 | const SequencerPosition& spos) | |
3818 | { | |
31f18b77 | 3819 | dout(15) << __FUNC__ << ": " << cid << "/" << oldoid << " -> " << cid << "/" << newoid << dendl; |
7c673cae FG |
3820 | |
3821 | if (_check_replay_guard(cid, newoid, spos) < 0) | |
3822 | return 0; | |
3823 | ||
3824 | int r; | |
3825 | FDRef o, n; | |
3826 | { | |
3827 | Index index; | |
3828 | r = lfn_open(cid, oldoid, false, &o, &index); | |
3829 | if (r < 0) { | |
3830 | goto out2; | |
3831 | } | |
11fdf7f2 | 3832 | ceph_assert(index.index); |
9f95a23c | 3833 | std::unique_lock l{(index.index)->access_lock}; |
7c673cae FG |
3834 | |
3835 | r = lfn_open(cid, newoid, true, &n, &index); | |
3836 | if (r < 0) { | |
3837 | goto out; | |
3838 | } | |
3839 | r = ::ftruncate(**n, 0); | |
3840 | if (r < 0) { | |
3841 | r = -errno; | |
3842 | goto out3; | |
3843 | } | |
3844 | struct stat st; | |
3845 | r = ::fstat(**o, &st); | |
3846 | if (r < 0) { | |
3847 | r = -errno; | |
3848 | goto out3; | |
3849 | } | |
3850 | ||
3851 | r = _do_clone_range(**o, **n, 0, st.st_size, 0); | |
3852 | if (r < 0) { | |
3853 | goto out3; | |
3854 | } | |
3855 | ||
3856 | dout(20) << "objectmap clone" << dendl; | |
3857 | r = object_map->clone(oldoid, newoid, &spos); | |
3858 | if (r < 0 && r != -ENOENT) | |
3859 | goto out3; | |
3860 | } | |
3861 | ||
3862 | { | |
3863 | char buf[2]; | |
3864 | map<string, bufferptr> aset; | |
3865 | r = _fgetattrs(**o, aset); | |
3866 | if (r < 0) | |
3867 | goto out3; | |
3868 | ||
3869 | r = chain_fgetxattr(**o, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
3870 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
3871 | r = chain_fsetxattr<true, true>(**n, XATTR_SPILL_OUT_NAME, XATTR_NO_SPILL_OUT, | |
3872 | sizeof(XATTR_NO_SPILL_OUT)); | |
3873 | } else { | |
3874 | r = chain_fsetxattr<true, true>(**n, XATTR_SPILL_OUT_NAME, XATTR_SPILL_OUT, | |
3875 | sizeof(XATTR_SPILL_OUT)); | |
3876 | } | |
3877 | if (r < 0) | |
3878 | goto out3; | |
3879 | ||
3880 | r = _fsetattrs(**n, aset); | |
3881 | if (r < 0) | |
3882 | goto out3; | |
3883 | } | |
3884 | ||
3885 | // clone is non-idempotent; record our work. | |
3886 | _set_replay_guard(**n, spos, &newoid); | |
3887 | ||
3888 | out3: | |
3889 | lfn_close(n); | |
3890 | out: | |
3891 | lfn_close(o); | |
3892 | out2: | |
31f18b77 | 3893 | dout(10) << __FUNC__ << ": " << cid << "/" << oldoid << " -> " << cid << "/" << newoid << " = " << r << dendl; |
11fdf7f2 | 3894 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
3895 | return r; |
3896 | } | |
3897 | ||
3898 | int FileStore::_do_clone_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) | |
3899 | { | |
31f18b77 | 3900 | dout(20) << __FUNC__ << ": copy " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3901 | return backend->clone_range(from, to, srcoff, len, dstoff); |
3902 | } | |
3903 | ||
3904 | int FileStore::_do_sparse_copy_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) | |
3905 | { | |
31f18b77 | 3906 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3907 | int r = 0; |
3908 | map<uint64_t, uint64_t> exomap; | |
3909 | // fiemap doesn't allow zero length | |
3910 | if (len == 0) | |
3911 | return 0; | |
3912 | ||
3913 | if (backend->has_seek_data_hole()) { | |
3914 | dout(15) << "seek_data/seek_hole " << from << " " << srcoff << "~" << len << dendl; | |
3915 | r = _do_seek_hole_data(from, srcoff, len, &exomap); | |
3916 | } else if (backend->has_fiemap()) { | |
3917 | dout(15) << "fiemap ioctl" << from << " " << srcoff << "~" << len << dendl; | |
3918 | r = _do_fiemap(from, srcoff, len, &exomap); | |
3919 | } | |
3920 | ||
3921 | ||
3922 | int64_t written = 0; | |
3923 | if (r < 0) | |
3924 | goto out; | |
3925 | ||
3926 | for (map<uint64_t, uint64_t>::iterator miter = exomap.begin(); miter != exomap.end(); ++miter) { | |
3927 | uint64_t it_off = miter->first - srcoff + dstoff; | |
3928 | r = _do_copy_range(from, to, miter->first, miter->second, it_off, true); | |
3929 | if (r < 0) { | |
31f18b77 | 3930 | derr << __FUNC__ << ": copy error at " << miter->first << "~" << miter->second |
7c673cae FG |
3931 | << " to " << it_off << ", " << cpp_strerror(r) << dendl; |
3932 | break; | |
3933 | } | |
3934 | written += miter->second; | |
3935 | } | |
3936 | ||
3937 | if (r >= 0) { | |
3938 | if (m_filestore_sloppy_crc) { | |
3939 | int rc = backend->_crc_update_clone_range(from, to, srcoff, len, dstoff); | |
11fdf7f2 | 3940 | ceph_assert(rc >= 0); |
7c673cae FG |
3941 | } |
3942 | struct stat st; | |
3943 | r = ::fstat(to, &st); | |
3944 | if (r < 0) { | |
3945 | r = -errno; | |
31f18b77 | 3946 | derr << __FUNC__ << ": fstat error at " << to << " " << cpp_strerror(r) << dendl; |
7c673cae FG |
3947 | goto out; |
3948 | } | |
3949 | if (st.st_size < (int)(dstoff + len)) { | |
3950 | r = ::ftruncate(to, dstoff + len); | |
3951 | if (r < 0) { | |
3952 | r = -errno; | |
31f18b77 | 3953 | derr << __FUNC__ << ": ftruncate error at " << dstoff+len << " " << cpp_strerror(r) << dendl; |
7c673cae FG |
3954 | goto out; |
3955 | } | |
3956 | } | |
3957 | r = written; | |
3958 | } | |
3959 | ||
3960 | out: | |
31f18b77 | 3961 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
7c673cae FG |
3962 | return r; |
3963 | } | |
3964 | ||
3965 | int FileStore::_do_copy_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff, bool skip_sloppycrc) | |
3966 | { | |
31f18b77 | 3967 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
3968 | int r = 0; |
3969 | loff_t pos = srcoff; | |
3970 | loff_t end = srcoff + len; | |
3971 | int buflen = 4096 * 16; //limit by pipe max size.see fcntl | |
3972 | ||
3973 | #ifdef CEPH_HAVE_SPLICE | |
3974 | if (backend->has_splice()) { | |
3975 | int pipefd[2]; | |
9f95a23c | 3976 | if (pipe_cloexec(pipefd, 0) < 0) { |
91327a77 AA |
3977 | int e = errno; |
3978 | derr << " pipe " << " got " << cpp_strerror(e) << dendl; | |
3979 | return -e; | |
7c673cae FG |
3980 | } |
3981 | ||
3982 | loff_t dstpos = dstoff; | |
3983 | while (pos < end) { | |
11fdf7f2 TL |
3984 | int l = std::min<int>(end-pos, buflen); |
3985 | r = safe_splice(from, &pos, pipefd[1], nullptr, l, SPLICE_F_NONBLOCK); | |
7c673cae FG |
3986 | dout(10) << " safe_splice read from " << pos << "~" << l << " got " << r << dendl; |
3987 | if (r < 0) { | |
31f18b77 | 3988 | derr << __FUNC__ << ": safe_splice read error at " << pos << "~" << len |
7c673cae FG |
3989 | << ", " << cpp_strerror(r) << dendl; |
3990 | break; | |
3991 | } | |
3992 | if (r == 0) { | |
3993 | // hrm, bad source range, wtf. | |
3994 | r = -ERANGE; | |
31f18b77 | 3995 | derr << __FUNC__ << ": got short read result at " << pos |
7c673cae FG |
3996 | << " of fd " << from << " len " << len << dendl; |
3997 | break; | |
3998 | } | |
3999 | ||
11fdf7f2 | 4000 | r = safe_splice(pipefd[0], nullptr, to, &dstpos, r, 0); |
7c673cae FG |
4001 | dout(10) << " safe_splice write to " << to << " len " << r |
4002 | << " got " << r << dendl; | |
4003 | if (r < 0) { | |
31f18b77 | 4004 | derr << __FUNC__ << ": write error at " << pos << "~" |
7c673cae FG |
4005 | << r << ", " << cpp_strerror(r) << dendl; |
4006 | break; | |
4007 | } | |
4008 | } | |
4009 | close(pipefd[0]); | |
4010 | close(pipefd[1]); | |
4011 | } else | |
4012 | #endif | |
4013 | { | |
4014 | int64_t actual; | |
4015 | ||
4016 | actual = ::lseek64(from, srcoff, SEEK_SET); | |
4017 | if (actual != (int64_t)srcoff) { | |
4018 | if (actual < 0) | |
4019 | r = -errno; | |
4020 | else | |
4021 | r = -EINVAL; | |
4022 | derr << "lseek64 to " << srcoff << " got " << cpp_strerror(r) << dendl; | |
4023 | return r; | |
4024 | } | |
4025 | actual = ::lseek64(to, dstoff, SEEK_SET); | |
4026 | if (actual != (int64_t)dstoff) { | |
4027 | if (actual < 0) | |
4028 | r = -errno; | |
4029 | else | |
4030 | r = -EINVAL; | |
4031 | derr << "lseek64 to " << dstoff << " got " << cpp_strerror(r) << dendl; | |
4032 | return r; | |
4033 | } | |
4034 | ||
4035 | char buf[buflen]; | |
4036 | while (pos < end) { | |
11fdf7f2 | 4037 | int l = std::min<int>(end-pos, buflen); |
7c673cae FG |
4038 | r = ::read(from, buf, l); |
4039 | dout(25) << " read from " << pos << "~" << l << " got " << r << dendl; | |
4040 | if (r < 0) { | |
4041 | if (errno == EINTR) { | |
4042 | continue; | |
4043 | } else { | |
4044 | r = -errno; | |
31f18b77 | 4045 | derr << __FUNC__ << ": read error at " << pos << "~" << len |
7c673cae FG |
4046 | << ", " << cpp_strerror(r) << dendl; |
4047 | break; | |
4048 | } | |
4049 | } | |
4050 | if (r == 0) { | |
4051 | // hrm, bad source range, wtf. | |
4052 | r = -ERANGE; | |
31f18b77 | 4053 | derr << __FUNC__ << ": got short read result at " << pos |
7c673cae FG |
4054 | << " of fd " << from << " len " << len << dendl; |
4055 | break; | |
4056 | } | |
4057 | int op = 0; | |
4058 | while (op < r) { | |
4059 | int r2 = safe_write(to, buf+op, r-op); | |
4060 | dout(25) << " write to " << to << " len " << (r-op) | |
4061 | << " got " << r2 << dendl; | |
4062 | if (r2 < 0) { | |
4063 | r = r2; | |
31f18b77 | 4064 | derr << __FUNC__ << ": write error at " << pos << "~" |
7c673cae FG |
4065 | << r-op << ", " << cpp_strerror(r) << dendl; |
4066 | ||
4067 | break; | |
4068 | } | |
4069 | op += (r-op); | |
4070 | } | |
4071 | if (r < 0) | |
4072 | break; | |
4073 | pos += r; | |
4074 | } | |
4075 | } | |
4076 | ||
4077 | if (r < 0 && replaying) { | |
11fdf7f2 | 4078 | ceph_assert(r == -ERANGE); |
31f18b77 | 4079 | derr << __FUNC__ << ": short source tolerated because we are replaying" << dendl; |
94b18763 | 4080 | r = len; |
7c673cae | 4081 | } |
11fdf7f2 | 4082 | ceph_assert(replaying || pos == end); |
7c673cae FG |
4083 | if (r >= 0 && !skip_sloppycrc && m_filestore_sloppy_crc) { |
4084 | int rc = backend->_crc_update_clone_range(from, to, srcoff, len, dstoff); | |
11fdf7f2 | 4085 | ceph_assert(rc >= 0); |
7c673cae | 4086 | } |
31f18b77 | 4087 | dout(20) << __FUNC__ << ": " << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
7c673cae FG |
4088 | return r; |
4089 | } | |
4090 | ||
4091 | int FileStore::_clone_range(const coll_t& oldcid, const ghobject_t& oldoid, const coll_t& newcid, const ghobject_t& newoid, | |
4092 | uint64_t srcoff, uint64_t len, uint64_t dstoff, | |
4093 | const SequencerPosition& spos) | |
4094 | { | |
31f18b77 | 4095 | dout(15) << __FUNC__ << ": " << oldcid << "/" << oldoid << " -> " << newcid << "/" << newoid << " " << srcoff << "~" << len << " to " << dstoff << dendl; |
7c673cae FG |
4096 | |
4097 | if (_check_replay_guard(newcid, newoid, spos) < 0) | |
4098 | return 0; | |
4099 | ||
4100 | int r; | |
4101 | FDRef o, n; | |
4102 | r = lfn_open(oldcid, oldoid, false, &o); | |
4103 | if (r < 0) { | |
4104 | goto out2; | |
4105 | } | |
4106 | r = lfn_open(newcid, newoid, true, &n); | |
4107 | if (r < 0) { | |
4108 | goto out; | |
4109 | } | |
4110 | r = _do_clone_range(**o, **n, srcoff, len, dstoff); | |
4111 | if (r < 0) { | |
4112 | goto out3; | |
4113 | } | |
4114 | ||
4115 | // clone is non-idempotent; record our work. | |
4116 | _set_replay_guard(**n, spos, &newoid); | |
4117 | ||
4118 | out3: | |
4119 | lfn_close(n); | |
4120 | out: | |
4121 | lfn_close(o); | |
4122 | out2: | |
31f18b77 | 4123 | dout(10) << __FUNC__ << ": " << oldcid << "/" << oldoid << " -> " << newcid << "/" << newoid << " " |
7c673cae FG |
4124 | << srcoff << "~" << len << " to " << dstoff << " = " << r << dendl; |
4125 | return r; | |
4126 | } | |
4127 | ||
4128 | class SyncEntryTimeout : public Context { | |
4129 | public: | |
4130 | CephContext* cct; | |
4131 | explicit SyncEntryTimeout(CephContext* cct, int commit_timeo) | |
4132 | : cct(cct), m_commit_timeo(commit_timeo) | |
4133 | { | |
4134 | } | |
4135 | ||
4136 | void finish(int r) override { | |
4137 | BackTrace *bt = new BackTrace(1); | |
4138 | generic_dout(-1) << "FileStore: sync_entry timed out after " | |
4139 | << m_commit_timeo << " seconds.\n"; | |
4140 | bt->print(*_dout); | |
4141 | *_dout << dendl; | |
4142 | delete bt; | |
11fdf7f2 | 4143 | bt = nullptr; |
7c673cae FG |
4144 | ceph_abort(); |
4145 | } | |
4146 | private: | |
4147 | int m_commit_timeo; | |
4148 | }; | |
4149 | ||
4150 | void FileStore::sync_entry() | |
4151 | { | |
9f95a23c | 4152 | std::unique_lock l{lock}; |
7c673cae | 4153 | while (!stop) { |
9f95a23c TL |
4154 | auto min_interval = ceph::make_timespan(m_filestore_min_sync_interval); |
4155 | auto max_interval = ceph::make_timespan(m_filestore_max_sync_interval); | |
4156 | auto startwait = ceph::real_clock::now(); | |
7c673cae | 4157 | if (!force_sync) { |
31f18b77 | 4158 | dout(20) << __FUNC__ << ": waiting for max_interval " << max_interval << dendl; |
9f95a23c | 4159 | sync_cond.wait_for(l, max_interval); |
7c673cae | 4160 | } else { |
31f18b77 | 4161 | dout(20) << __FUNC__ << ": not waiting, force_sync set" << dendl; |
7c673cae FG |
4162 | } |
4163 | ||
4164 | if (force_sync) { | |
31f18b77 | 4165 | dout(20) << __FUNC__ << ": force_sync set" << dendl; |
7c673cae FG |
4166 | force_sync = false; |
4167 | } else if (stop) { | |
31f18b77 | 4168 | dout(20) << __FUNC__ << ": stop set" << dendl; |
7c673cae FG |
4169 | break; |
4170 | } else { | |
4171 | // wait for at least the min interval | |
9f95a23c | 4172 | auto woke = ceph::real_clock::now() - startwait; |
31f18b77 | 4173 | dout(20) << __FUNC__ << ": woke after " << woke << dendl; |
7c673cae | 4174 | if (woke < min_interval) { |
9f95a23c | 4175 | auto t = min_interval - woke; |
31f18b77 | 4176 | dout(20) << __FUNC__ << ": waiting for another " << t |
7c673cae | 4177 | << " to reach min interval " << min_interval << dendl; |
9f95a23c | 4178 | sync_cond.wait_for(l, t); |
7c673cae FG |
4179 | } |
4180 | } | |
4181 | ||
4182 | list<Context*> fin; | |
4183 | again: | |
4184 | fin.swap(sync_waiters); | |
9f95a23c | 4185 | l.unlock(); |
7c673cae FG |
4186 | |
4187 | op_tp.pause(); | |
4188 | if (apply_manager.commit_start()) { | |
9f95a23c | 4189 | auto start = ceph::real_clock::now(); |
7c673cae FG |
4190 | uint64_t cp = apply_manager.get_committing_seq(); |
4191 | ||
9f95a23c | 4192 | sync_entry_timeo_lock.lock(); |
7c673cae FG |
4193 | SyncEntryTimeout *sync_entry_timeo = |
4194 | new SyncEntryTimeout(cct, m_filestore_commit_timeout); | |
224ce89b WB |
4195 | if (!timer.add_event_after(m_filestore_commit_timeout, |
4196 | sync_entry_timeo)) { | |
4197 | sync_entry_timeo = nullptr; | |
4198 | } | |
9f95a23c | 4199 | sync_entry_timeo_lock.unlock(); |
7c673cae FG |
4200 | |
4201 | logger->set(l_filestore_committing, 1); | |
4202 | ||
31f18b77 | 4203 | dout(15) << __FUNC__ << ": committing " << cp << dendl; |
7c673cae FG |
4204 | stringstream errstream; |
4205 | if (cct->_conf->filestore_debug_omap_check && !object_map->check(errstream)) { | |
4206 | derr << errstream.str() << dendl; | |
4207 | ceph_abort(); | |
4208 | } | |
4209 | ||
4210 | if (backend->can_checkpoint()) { | |
4211 | int err = write_op_seq(op_fd, cp); | |
4212 | if (err < 0) { | |
4213 | derr << "Error during write_op_seq: " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4214 | ceph_abort_msg("error during write_op_seq"); |
7c673cae FG |
4215 | } |
4216 | ||
4217 | char s[NAME_MAX]; | |
4218 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)cp); | |
4219 | uint64_t cid = 0; | |
4220 | err = backend->create_checkpoint(s, &cid); | |
4221 | if (err < 0) { | |
4222 | int err = errno; | |
4223 | derr << "snap create '" << s << "' got error " << err << dendl; | |
11fdf7f2 | 4224 | ceph_assert(err == 0); |
7c673cae FG |
4225 | } |
4226 | ||
4227 | snaps.push_back(cp); | |
4228 | apply_manager.commit_started(); | |
4229 | op_tp.unpause(); | |
4230 | ||
4231 | if (cid > 0) { | |
4232 | dout(20) << " waiting for checkpoint " << cid << " to complete" << dendl; | |
4233 | err = backend->sync_checkpoint(cid); | |
4234 | if (err < 0) { | |
4235 | derr << "ioctl WAIT_SYNC got " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4236 | ceph_abort_msg("wait_sync got error"); |
7c673cae FG |
4237 | } |
4238 | dout(20) << " done waiting for checkpoint " << cid << " to complete" << dendl; | |
4239 | } | |
224ce89b | 4240 | } else { |
7c673cae FG |
4241 | apply_manager.commit_started(); |
4242 | op_tp.unpause(); | |
4243 | ||
4244 | int err = object_map->sync(); | |
4245 | if (err < 0) { | |
4246 | derr << "object_map sync got " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4247 | ceph_abort_msg("object_map sync returned error"); |
7c673cae FG |
4248 | } |
4249 | ||
4250 | err = backend->syncfs(); | |
4251 | if (err < 0) { | |
4252 | derr << "syncfs got " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4253 | ceph_abort_msg("syncfs returned error"); |
7c673cae FG |
4254 | } |
4255 | ||
4256 | err = write_op_seq(op_fd, cp); | |
4257 | if (err < 0) { | |
4258 | derr << "Error during write_op_seq: " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4259 | ceph_abort_msg("error during write_op_seq"); |
7c673cae FG |
4260 | } |
4261 | err = ::fsync(op_fd); | |
4262 | if (err < 0) { | |
4263 | derr << "Error during fsync of op_seq: " << cpp_strerror(err) << dendl; | |
11fdf7f2 | 4264 | ceph_abort_msg("error during fsync of op_seq"); |
7c673cae FG |
4265 | } |
4266 | } | |
4267 | ||
9f95a23c TL |
4268 | auto done = ceph::real_clock::now(); |
4269 | auto lat = done - start; | |
4270 | auto dur = done - startwait; | |
31f18b77 | 4271 | dout(10) << __FUNC__ << ": commit took " << lat << ", interval was " << dur << dendl; |
224ce89b | 4272 | utime_t max_pause_lat = logger->tget(l_filestore_sync_pause_max_lat); |
9f95a23c | 4273 | if (max_pause_lat < utime_t{dur - lat}) { |
224ce89b WB |
4274 | logger->tinc(l_filestore_sync_pause_max_lat, dur - lat); |
4275 | } | |
7c673cae FG |
4276 | |
4277 | logger->inc(l_filestore_commitcycle); | |
4278 | logger->tinc(l_filestore_commitcycle_latency, lat); | |
4279 | logger->tinc(l_filestore_commitcycle_interval, dur); | |
4280 | ||
4281 | apply_manager.commit_finish(); | |
4282 | if (!m_disable_wbthrottle) { | |
4283 | wbthrottle.clear(); | |
4284 | } | |
4285 | ||
4286 | logger->set(l_filestore_committing, 0); | |
4287 | ||
4288 | // remove old snaps? | |
4289 | if (backend->can_checkpoint()) { | |
4290 | char s[NAME_MAX]; | |
4291 | while (snaps.size() > 2) { | |
4292 | snprintf(s, sizeof(s), COMMIT_SNAP_ITEM, (long long unsigned)snaps.front()); | |
4293 | snaps.pop_front(); | |
4294 | dout(10) << "removing snap '" << s << "'" << dendl; | |
4295 | int r = backend->destroy_checkpoint(s); | |
4296 | if (r) { | |
4297 | int err = errno; | |
4298 | derr << "unable to destroy snap '" << s << "' got " << cpp_strerror(err) << dendl; | |
4299 | } | |
4300 | } | |
4301 | } | |
4302 | ||
31f18b77 | 4303 | dout(15) << __FUNC__ << ": committed to op_seq " << cp << dendl; |
7c673cae | 4304 | |
224ce89b | 4305 | if (sync_entry_timeo) { |
9f95a23c | 4306 | std::lock_guard lock{sync_entry_timeo_lock}; |
224ce89b WB |
4307 | timer.cancel_event(sync_entry_timeo); |
4308 | } | |
7c673cae FG |
4309 | } else { |
4310 | op_tp.unpause(); | |
4311 | } | |
4312 | ||
9f95a23c | 4313 | l.lock(); |
7c673cae FG |
4314 | finish_contexts(cct, fin, 0); |
4315 | fin.clear(); | |
4316 | if (!sync_waiters.empty()) { | |
31f18b77 | 4317 | dout(10) << __FUNC__ << ": more waiters, committing again" << dendl; |
7c673cae FG |
4318 | goto again; |
4319 | } | |
4320 | if (!stop && journal && journal->should_commit_now()) { | |
31f18b77 | 4321 | dout(10) << __FUNC__ << ": journal says we should commit again (probably is/was full)" << dendl; |
7c673cae FG |
4322 | goto again; |
4323 | } | |
4324 | } | |
4325 | stop = false; | |
7c673cae FG |
4326 | } |
4327 | ||
7c673cae FG |
4328 | void FileStore::do_force_sync() |
4329 | { | |
31f18b77 | 4330 | dout(10) << __FUNC__ << dendl; |
9f95a23c | 4331 | std::lock_guard l{lock}; |
7c673cae | 4332 | force_sync = true; |
9f95a23c | 4333 | sync_cond.notify_all(); |
7c673cae FG |
4334 | } |
4335 | ||
4336 | void FileStore::start_sync(Context *onsafe) | |
4337 | { | |
9f95a23c | 4338 | std::lock_guard l{lock}; |
7c673cae | 4339 | sync_waiters.push_back(onsafe); |
9f95a23c | 4340 | sync_cond.notify_all(); |
7c673cae | 4341 | force_sync = true; |
31f18b77 | 4342 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4343 | } |
4344 | ||
4345 | void FileStore::sync() | |
4346 | { | |
9f95a23c TL |
4347 | ceph::mutex m = ceph::make_mutex("FileStore::sync"); |
4348 | ceph::condition_variable c; | |
7c673cae | 4349 | bool done; |
9f95a23c | 4350 | C_SafeCond *fin = new C_SafeCond(m, c, &done); |
7c673cae FG |
4351 | |
4352 | start_sync(fin); | |
4353 | ||
9f95a23c TL |
4354 | std::unique_lock l{m}; |
4355 | c.wait(l, [&done, this] { | |
4356 | if (!done) { | |
4357 | dout(10) << "sync waiting" << dendl; | |
4358 | } | |
4359 | return done; | |
4360 | }); | |
7c673cae FG |
4361 | dout(10) << "sync done" << dendl; |
4362 | } | |
4363 | ||
4364 | void FileStore::_flush_op_queue() | |
4365 | { | |
31f18b77 | 4366 | dout(10) << __FUNC__ << ": draining op tp" << dendl; |
7c673cae | 4367 | op_wq.drain(); |
31f18b77 | 4368 | dout(10) << __FUNC__ << ": waiting for apply finisher" << dendl; |
7c673cae FG |
4369 | for (vector<Finisher*>::iterator it = apply_finishers.begin(); it != apply_finishers.end(); ++it) { |
4370 | (*it)->wait_for_empty(); | |
4371 | } | |
4372 | } | |
4373 | ||
4374 | /* | |
4375 | * flush - make every queued write readable | |
4376 | */ | |
4377 | void FileStore::flush() | |
4378 | { | |
31f18b77 | 4379 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4380 | |
4381 | if (cct->_conf->filestore_blackhole) { | |
4382 | // wait forever | |
9f95a23c TL |
4383 | ceph::mutex lock = ceph::make_mutex("FileStore::flush::lock"); |
4384 | ceph::condition_variable cond; | |
4385 | std::unique_lock l{lock}; | |
4386 | cond.wait(l, [] {return false;} ); | |
7c673cae FG |
4387 | ceph_abort(); |
4388 | } | |
4389 | ||
4390 | if (m_filestore_journal_writeahead) { | |
4391 | if (journal) | |
4392 | journal->flush(); | |
31f18b77 | 4393 | dout(10) << __FUNC__ << ": draining ondisk finisher" << dendl; |
7c673cae FG |
4394 | for (vector<Finisher*>::iterator it = ondisk_finishers.begin(); it != ondisk_finishers.end(); ++it) { |
4395 | (*it)->wait_for_empty(); | |
4396 | } | |
4397 | } | |
4398 | ||
4399 | _flush_op_queue(); | |
31f18b77 | 4400 | dout(10) << __FUNC__ << ": complete" << dendl; |
7c673cae FG |
4401 | } |
4402 | ||
4403 | /* | |
4404 | * sync_and_flush - make every queued write readable AND committed to disk | |
4405 | */ | |
4406 | void FileStore::sync_and_flush() | |
4407 | { | |
31f18b77 | 4408 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4409 | |
4410 | if (m_filestore_journal_writeahead) { | |
4411 | if (journal) | |
4412 | journal->flush(); | |
4413 | _flush_op_queue(); | |
4414 | } else { | |
4415 | // includes m_filestore_journal_parallel | |
4416 | _flush_op_queue(); | |
4417 | sync(); | |
4418 | } | |
31f18b77 | 4419 | dout(10) << __FUNC__ << ": done" << dendl; |
7c673cae FG |
4420 | } |
4421 | ||
4422 | int FileStore::flush_journal() | |
4423 | { | |
31f18b77 | 4424 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4425 | sync_and_flush(); |
4426 | sync(); | |
4427 | return 0; | |
4428 | } | |
4429 | ||
4430 | int FileStore::snapshot(const string& name) | |
4431 | { | |
31f18b77 | 4432 | dout(10) << __FUNC__ << ": " << name << dendl; |
7c673cae FG |
4433 | sync_and_flush(); |
4434 | ||
4435 | if (!backend->can_checkpoint()) { | |
31f18b77 | 4436 | dout(0) << __FUNC__ << ": " << name << " failed, not supported" << dendl; |
7c673cae FG |
4437 | return -EOPNOTSUPP; |
4438 | } | |
4439 | ||
4440 | char s[NAME_MAX]; | |
4441 | snprintf(s, sizeof(s), CLUSTER_SNAP_ITEM, name.c_str()); | |
4442 | ||
11fdf7f2 | 4443 | int r = backend->create_checkpoint(s, nullptr); |
7c673cae | 4444 | if (r) { |
31f18b77 | 4445 | derr << __FUNC__ << ": " << name << " failed: " << cpp_strerror(r) << dendl; |
7c673cae FG |
4446 | } |
4447 | ||
4448 | return r; | |
4449 | } | |
4450 | ||
4451 | // ------------------------------- | |
4452 | // attributes | |
4453 | ||
4454 | int FileStore::_fgetattr(int fd, const char *name, bufferptr& bp) | |
4455 | { | |
4456 | char val[CHAIN_XATTR_MAX_BLOCK_LEN]; | |
4457 | int l = chain_fgetxattr(fd, name, val, sizeof(val)); | |
4458 | if (l >= 0) { | |
f67539c2 | 4459 | bp = ceph::buffer::create(l); |
7c673cae FG |
4460 | memcpy(bp.c_str(), val, l); |
4461 | } else if (l == -ERANGE) { | |
4462 | l = chain_fgetxattr(fd, name, 0, 0); | |
4463 | if (l > 0) { | |
f67539c2 | 4464 | bp = ceph::buffer::create(l); |
7c673cae FG |
4465 | l = chain_fgetxattr(fd, name, bp.c_str(), l); |
4466 | } | |
4467 | } | |
11fdf7f2 | 4468 | ceph_assert(!m_filestore_fail_eio || l != -EIO); |
7c673cae FG |
4469 | return l; |
4470 | } | |
4471 | ||
4472 | int FileStore::_fgetattrs(int fd, map<string,bufferptr>& aset) | |
4473 | { | |
4474 | // get attr list | |
4475 | char names1[100]; | |
4476 | int len = chain_flistxattr(fd, names1, sizeof(names1)-1); | |
4477 | char *names2 = 0; | |
4478 | char *name = 0; | |
4479 | if (len == -ERANGE) { | |
4480 | len = chain_flistxattr(fd, 0, 0); | |
4481 | if (len < 0) { | |
11fdf7f2 | 4482 | ceph_assert(!m_filestore_fail_eio || len != -EIO); |
7c673cae FG |
4483 | return len; |
4484 | } | |
4485 | dout(10) << " -ERANGE, len is " << len << dendl; | |
4486 | names2 = new char[len+1]; | |
4487 | len = chain_flistxattr(fd, names2, len); | |
4488 | dout(10) << " -ERANGE, got " << len << dendl; | |
4489 | if (len < 0) { | |
11fdf7f2 | 4490 | ceph_assert(!m_filestore_fail_eio || len != -EIO); |
7c673cae FG |
4491 | delete[] names2; |
4492 | return len; | |
4493 | } | |
4494 | name = names2; | |
4495 | } else if (len < 0) { | |
11fdf7f2 | 4496 | ceph_assert(!m_filestore_fail_eio || len != -EIO); |
7c673cae FG |
4497 | return len; |
4498 | } else { | |
4499 | name = names1; | |
4500 | } | |
4501 | name[len] = 0; | |
4502 | ||
4503 | char *end = name + len; | |
4504 | while (name < end) { | |
4505 | char *attrname = name; | |
4506 | if (parse_attrname(&name)) { | |
4507 | if (*name) { | |
31f18b77 | 4508 | dout(20) << __FUNC__ << ": " << fd << " getting '" << name << "'" << dendl; |
7c673cae FG |
4509 | int r = _fgetattr(fd, attrname, aset[name]); |
4510 | if (r < 0) { | |
4511 | delete[] names2; | |
4512 | return r; | |
4513 | } | |
4514 | } | |
4515 | } | |
4516 | name += strlen(name) + 1; | |
4517 | } | |
4518 | ||
4519 | delete[] names2; | |
4520 | return 0; | |
4521 | } | |
4522 | ||
4523 | int FileStore::_fsetattrs(int fd, map<string, bufferptr> &aset) | |
4524 | { | |
4525 | for (map<string, bufferptr>::iterator p = aset.begin(); | |
4526 | p != aset.end(); | |
4527 | ++p) { | |
4528 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4529 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4530 | const char *val; | |
4531 | if (p->second.length()) | |
4532 | val = p->second.c_str(); | |
4533 | else | |
4534 | val = ""; | |
4535 | // ??? Why do we skip setting all the other attrs if one fails? | |
4536 | int r = chain_fsetxattr(fd, n, val, p->second.length()); | |
4537 | if (r < 0) { | |
31f18b77 | 4538 | derr << __FUNC__ << ": chain_setxattr returned " << r << dendl; |
7c673cae FG |
4539 | return r; |
4540 | } | |
4541 | } | |
4542 | return 0; | |
4543 | } | |
4544 | ||
4545 | // debug EIO injection | |
4546 | void FileStore::inject_data_error(const ghobject_t &oid) { | |
9f95a23c | 4547 | std::lock_guard l{read_error_lock}; |
31f18b77 | 4548 | dout(10) << __FUNC__ << ": init error on " << oid << dendl; |
7c673cae FG |
4549 | data_error_set.insert(oid); |
4550 | } | |
4551 | void FileStore::inject_mdata_error(const ghobject_t &oid) { | |
9f95a23c | 4552 | std::lock_guard l{read_error_lock}; |
31f18b77 | 4553 | dout(10) << __FUNC__ << ": init error on " << oid << dendl; |
7c673cae FG |
4554 | mdata_error_set.insert(oid); |
4555 | } | |
224ce89b | 4556 | |
7c673cae | 4557 | void FileStore::debug_obj_on_delete(const ghobject_t &oid) { |
9f95a23c | 4558 | std::lock_guard l{read_error_lock}; |
31f18b77 | 4559 | dout(10) << __FUNC__ << ": clear error on " << oid << dendl; |
7c673cae FG |
4560 | data_error_set.erase(oid); |
4561 | mdata_error_set.erase(oid); | |
4562 | } | |
4563 | bool FileStore::debug_data_eio(const ghobject_t &oid) { | |
9f95a23c | 4564 | std::lock_guard l{read_error_lock}; |
7c673cae | 4565 | if (data_error_set.count(oid)) { |
31f18b77 | 4566 | dout(10) << __FUNC__ << ": inject error on " << oid << dendl; |
7c673cae FG |
4567 | return true; |
4568 | } else { | |
4569 | return false; | |
4570 | } | |
4571 | } | |
4572 | bool FileStore::debug_mdata_eio(const ghobject_t &oid) { | |
9f95a23c | 4573 | std::lock_guard l{read_error_lock}; |
7c673cae | 4574 | if (mdata_error_set.count(oid)) { |
31f18b77 | 4575 | dout(10) << __FUNC__ << ": inject error on " << oid << dendl; |
7c673cae FG |
4576 | return true; |
4577 | } else { | |
4578 | return false; | |
4579 | } | |
4580 | } | |
4581 | ||
4582 | ||
4583 | // objects | |
4584 | ||
11fdf7f2 | 4585 | int FileStore::getattr(CollectionHandle& ch, const ghobject_t& oid, const char *name, bufferptr &bp) |
7c673cae | 4586 | { |
11fdf7f2 TL |
4587 | tracepoint(objectstore, getattr_enter, ch->cid.c_str()); |
4588 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 4589 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "'" << dendl; |
11fdf7f2 TL |
4590 | |
4591 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
4592 | osr->wait_for_apply(oid); | |
4593 | ||
7c673cae FG |
4594 | FDRef fd; |
4595 | int r = lfn_open(cid, oid, false, &fd); | |
4596 | if (r < 0) { | |
4597 | goto out; | |
4598 | } | |
4599 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4600 | get_attrname(name, n, CHAIN_XATTR_MAX_NAME_LEN); | |
4601 | r = _fgetattr(**fd, n, bp); | |
4602 | lfn_close(fd); | |
4603 | if (r == -ENODATA) { | |
4604 | map<string, bufferlist> got; | |
4605 | set<string> to_get; | |
4606 | to_get.insert(string(name)); | |
4607 | Index index; | |
4608 | r = get_index(cid, &index); | |
4609 | if (r < 0) { | |
31f18b77 | 4610 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4611 | goto out; |
4612 | } | |
4613 | r = object_map->get_xattrs(oid, to_get, &got); | |
4614 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4615 | dout(10) << __FUNC__ << ": get_xattrs err r =" << r << dendl; |
7c673cae FG |
4616 | goto out; |
4617 | } | |
4618 | if (got.empty()) { | |
31f18b77 | 4619 | dout(10) << __FUNC__ << ": got.size() is 0" << dendl; |
7c673cae FG |
4620 | return -ENODATA; |
4621 | } | |
4622 | bp = bufferptr(got.begin()->second.c_str(), | |
4623 | got.begin()->second.length()); | |
4624 | r = bp.length(); | |
4625 | } | |
4626 | out: | |
31f18b77 | 4627 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "' = " << r << dendl; |
11fdf7f2 | 4628 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4629 | if (cct->_conf->filestore_debug_inject_read_err && |
4630 | debug_mdata_eio(oid)) { | |
4631 | return -EIO; | |
4632 | } else { | |
4633 | tracepoint(objectstore, getattr_exit, r); | |
4634 | return r < 0 ? r : 0; | |
4635 | } | |
4636 | } | |
4637 | ||
11fdf7f2 | 4638 | int FileStore::getattrs(CollectionHandle& ch, const ghobject_t& oid, map<string,bufferptr>& aset) |
7c673cae | 4639 | { |
11fdf7f2 TL |
4640 | tracepoint(objectstore, getattrs_enter, ch->cid.c_str()); |
4641 | const coll_t& cid = !_need_temp_object_collection(ch->cid, oid) ? ch->cid : ch->cid.get_temp(); | |
7c673cae FG |
4642 | set<string> omap_attrs; |
4643 | map<string, bufferlist> omap_aset; | |
4644 | Index index; | |
31f18b77 | 4645 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
11fdf7f2 TL |
4646 | |
4647 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
4648 | osr->wait_for_apply(oid); | |
4649 | ||
7c673cae FG |
4650 | FDRef fd; |
4651 | bool spill_out = true; | |
4652 | char buf[2]; | |
4653 | ||
4654 | int r = lfn_open(cid, oid, false, &fd); | |
4655 | if (r < 0) { | |
4656 | goto out; | |
4657 | } | |
4658 | ||
4659 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4660 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) | |
4661 | spill_out = false; | |
4662 | ||
4663 | r = _fgetattrs(**fd, aset); | |
4664 | lfn_close(fd); | |
4665 | fd = FDRef(); // defensive | |
4666 | if (r < 0) { | |
4667 | goto out; | |
4668 | } | |
4669 | ||
4670 | if (!spill_out) { | |
31f18b77 | 4671 | dout(10) << __FUNC__ << ": no xattr exists in object_map r = " << r << dendl; |
7c673cae FG |
4672 | goto out; |
4673 | } | |
4674 | ||
4675 | r = get_index(cid, &index); | |
4676 | if (r < 0) { | |
31f18b77 | 4677 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4678 | goto out; |
4679 | } | |
4680 | { | |
4681 | r = object_map->get_all_xattrs(oid, &omap_attrs); | |
4682 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4683 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4684 | goto out; |
4685 | } | |
4686 | ||
4687 | r = object_map->get_xattrs(oid, omap_attrs, &omap_aset); | |
4688 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4689 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
7c673cae FG |
4690 | goto out; |
4691 | } | |
4692 | if (r == -ENOENT) | |
4693 | r = 0; | |
4694 | } | |
11fdf7f2 | 4695 | ceph_assert(omap_attrs.size() == omap_aset.size()); |
7c673cae FG |
4696 | for (map<string, bufferlist>::iterator i = omap_aset.begin(); |
4697 | i != omap_aset.end(); | |
4698 | ++i) { | |
4699 | string key(i->first); | |
4700 | aset.insert(make_pair(key, | |
4701 | bufferptr(i->second.c_str(), i->second.length()))); | |
4702 | } | |
4703 | out: | |
31f18b77 | 4704 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
11fdf7f2 | 4705 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4706 | |
4707 | if (cct->_conf->filestore_debug_inject_read_err && | |
4708 | debug_mdata_eio(oid)) { | |
4709 | return -EIO; | |
4710 | } else { | |
4711 | tracepoint(objectstore, getattrs_exit, r); | |
4712 | return r; | |
4713 | } | |
4714 | } | |
4715 | ||
4716 | int FileStore::_setattrs(const coll_t& cid, const ghobject_t& oid, map<string,bufferptr>& aset, | |
4717 | const SequencerPosition &spos) | |
4718 | { | |
4719 | map<string, bufferlist> omap_set; | |
4720 | set<string> omap_remove; | |
4721 | map<string, bufferptr> inline_set; | |
4722 | map<string, bufferptr> inline_to_set; | |
4723 | FDRef fd; | |
4724 | int spill_out = -1; | |
4725 | bool incomplete_inline = false; | |
4726 | ||
4727 | int r = lfn_open(cid, oid, false, &fd); | |
4728 | if (r < 0) { | |
4729 | goto out; | |
4730 | } | |
4731 | ||
4732 | char buf[2]; | |
4733 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4734 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) | |
4735 | spill_out = 0; | |
4736 | else | |
4737 | spill_out = 1; | |
4738 | ||
4739 | r = _fgetattrs(**fd, inline_set); | |
4740 | incomplete_inline = (r == -E2BIG); | |
11fdf7f2 | 4741 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
31f18b77 | 4742 | dout(15) << __FUNC__ << ": " << cid << "/" << oid |
7c673cae FG |
4743 | << (incomplete_inline ? " (incomplete_inline, forcing omap)" : "") |
4744 | << dendl; | |
4745 | ||
4746 | for (map<string,bufferptr>::iterator p = aset.begin(); | |
4747 | p != aset.end(); | |
4748 | ++p) { | |
4749 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4750 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4751 | ||
4752 | if (incomplete_inline) { | |
4753 | chain_fremovexattr(**fd, n); // ignore any error | |
4754 | omap_set[p->first].push_back(p->second); | |
4755 | continue; | |
4756 | } | |
4757 | ||
4758 | if (p->second.length() > m_filestore_max_inline_xattr_size) { | |
4759 | if (inline_set.count(p->first)) { | |
4760 | inline_set.erase(p->first); | |
4761 | r = chain_fremovexattr(**fd, n); | |
4762 | if (r < 0) | |
4763 | goto out_close; | |
4764 | } | |
4765 | omap_set[p->first].push_back(p->second); | |
4766 | continue; | |
4767 | } | |
4768 | ||
4769 | if (!inline_set.count(p->first) && | |
4770 | inline_set.size() >= m_filestore_max_inline_xattrs) { | |
4771 | omap_set[p->first].push_back(p->second); | |
4772 | continue; | |
4773 | } | |
4774 | omap_remove.insert(p->first); | |
4775 | inline_set.insert(*p); | |
4776 | ||
4777 | inline_to_set.insert(*p); | |
4778 | } | |
4779 | ||
4780 | if (spill_out != 1 && !omap_set.empty()) { | |
4781 | chain_fsetxattr(**fd, XATTR_SPILL_OUT_NAME, XATTR_SPILL_OUT, | |
4782 | sizeof(XATTR_SPILL_OUT)); | |
4783 | } | |
4784 | ||
4785 | r = _fsetattrs(**fd, inline_to_set); | |
4786 | if (r < 0) | |
4787 | goto out_close; | |
4788 | ||
4789 | if (spill_out && !omap_remove.empty()) { | |
4790 | r = object_map->remove_xattrs(oid, omap_remove, &spos); | |
4791 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4792 | dout(10) << __FUNC__ << ": could not remove_xattrs r = " << r << dendl; |
11fdf7f2 | 4793 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4794 | goto out_close; |
4795 | } else { | |
4796 | r = 0; // don't confuse the debug output | |
4797 | } | |
4798 | } | |
4799 | ||
4800 | if (!omap_set.empty()) { | |
4801 | r = object_map->set_xattrs(oid, omap_set, &spos); | |
4802 | if (r < 0) { | |
31f18b77 | 4803 | dout(10) << __FUNC__ << ": could not set_xattrs r = " << r << dendl; |
11fdf7f2 | 4804 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4805 | goto out_close; |
4806 | } | |
4807 | } | |
4808 | out_close: | |
4809 | lfn_close(fd); | |
4810 | out: | |
31f18b77 | 4811 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4812 | return r; |
4813 | } | |
4814 | ||
4815 | ||
4816 | int FileStore::_rmattr(const coll_t& cid, const ghobject_t& oid, const char *name, | |
4817 | const SequencerPosition &spos) | |
4818 | { | |
31f18b77 | 4819 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "'" << dendl; |
7c673cae FG |
4820 | FDRef fd; |
4821 | bool spill_out = true; | |
4822 | ||
4823 | int r = lfn_open(cid, oid, false, &fd); | |
4824 | if (r < 0) { | |
4825 | goto out; | |
4826 | } | |
4827 | ||
4828 | char buf[2]; | |
4829 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4830 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
4831 | spill_out = false; | |
4832 | } | |
4833 | ||
4834 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4835 | get_attrname(name, n, CHAIN_XATTR_MAX_NAME_LEN); | |
4836 | r = chain_fremovexattr(**fd, n); | |
4837 | if (r == -ENODATA && spill_out) { | |
4838 | Index index; | |
4839 | r = get_index(cid, &index); | |
4840 | if (r < 0) { | |
31f18b77 | 4841 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4842 | goto out_close; |
4843 | } | |
4844 | set<string> to_remove; | |
4845 | to_remove.insert(string(name)); | |
4846 | r = object_map->remove_xattrs(oid, to_remove, &spos); | |
4847 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4848 | dout(10) << __FUNC__ << ": could not remove_xattrs index r = " << r << dendl; |
11fdf7f2 | 4849 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4850 | goto out_close; |
4851 | } | |
4852 | } | |
4853 | out_close: | |
4854 | lfn_close(fd); | |
4855 | out: | |
31f18b77 | 4856 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " '" << name << "' = " << r << dendl; |
7c673cae FG |
4857 | return r; |
4858 | } | |
4859 | ||
4860 | int FileStore::_rmattrs(const coll_t& cid, const ghobject_t& oid, | |
4861 | const SequencerPosition &spos) | |
4862 | { | |
31f18b77 | 4863 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << dendl; |
7c673cae FG |
4864 | |
4865 | map<string,bufferptr> aset; | |
4866 | FDRef fd; | |
4867 | set<string> omap_attrs; | |
4868 | Index index; | |
4869 | bool spill_out = true; | |
4870 | ||
4871 | int r = lfn_open(cid, oid, false, &fd); | |
4872 | if (r < 0) { | |
4873 | goto out; | |
4874 | } | |
4875 | ||
4876 | char buf[2]; | |
4877 | r = chain_fgetxattr(**fd, XATTR_SPILL_OUT_NAME, buf, sizeof(buf)); | |
4878 | if (r >= 0 && !strncmp(buf, XATTR_NO_SPILL_OUT, sizeof(XATTR_NO_SPILL_OUT))) { | |
4879 | spill_out = false; | |
4880 | } | |
4881 | ||
4882 | r = _fgetattrs(**fd, aset); | |
4883 | if (r >= 0) { | |
4884 | for (map<string,bufferptr>::iterator p = aset.begin(); p != aset.end(); ++p) { | |
4885 | char n[CHAIN_XATTR_MAX_NAME_LEN]; | |
4886 | get_attrname(p->first.c_str(), n, CHAIN_XATTR_MAX_NAME_LEN); | |
4887 | r = chain_fremovexattr(**fd, n); | |
4888 | if (r < 0) { | |
31f18b77 | 4889 | dout(10) << __FUNC__ << ": could not remove xattr r = " << r << dendl; |
7c673cae FG |
4890 | goto out_close; |
4891 | } | |
4892 | } | |
4893 | } | |
4894 | ||
4895 | if (!spill_out) { | |
31f18b77 | 4896 | dout(10) << __FUNC__ << ": no xattr exists in object_map r = " << r << dendl; |
7c673cae FG |
4897 | goto out_close; |
4898 | } | |
4899 | ||
4900 | r = get_index(cid, &index); | |
4901 | if (r < 0) { | |
31f18b77 | 4902 | dout(10) << __FUNC__ << ": could not get index r = " << r << dendl; |
7c673cae FG |
4903 | goto out_close; |
4904 | } | |
4905 | { | |
4906 | r = object_map->get_all_xattrs(oid, &omap_attrs); | |
4907 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4908 | dout(10) << __FUNC__ << ": could not get omap_attrs r = " << r << dendl; |
11fdf7f2 | 4909 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4910 | goto out_close; |
4911 | } | |
4912 | r = object_map->remove_xattrs(oid, omap_attrs, &spos); | |
4913 | if (r < 0 && r != -ENOENT) { | |
31f18b77 | 4914 | dout(10) << __FUNC__ << ": could not remove omap_attrs r = " << r << dendl; |
7c673cae FG |
4915 | goto out_close; |
4916 | } | |
4917 | if (r == -ENOENT) | |
4918 | r = 0; | |
4919 | chain_fsetxattr(**fd, XATTR_SPILL_OUT_NAME, XATTR_NO_SPILL_OUT, | |
4920 | sizeof(XATTR_NO_SPILL_OUT)); | |
4921 | } | |
4922 | ||
4923 | out_close: | |
4924 | lfn_close(fd); | |
4925 | out: | |
31f18b77 | 4926 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " = " << r << dendl; |
7c673cae FG |
4927 | return r; |
4928 | } | |
4929 | ||
4930 | ||
4931 | ||
4932 | ||
4933 | int FileStore::_collection_remove_recursive(const coll_t &cid, | |
4934 | const SequencerPosition &spos) | |
4935 | { | |
4936 | struct stat st; | |
4937 | int r = collection_stat(cid, &st); | |
4938 | if (r < 0) { | |
4939 | if (r == -ENOENT) | |
4940 | return 0; | |
4941 | return r; | |
4942 | } | |
4943 | ||
4944 | vector<ghobject_t> objects; | |
4945 | ghobject_t max; | |
4946 | while (!max.is_max()) { | |
4947 | r = collection_list(cid, max, ghobject_t::get_max(), | |
4948 | 300, &objects, &max); | |
4949 | if (r < 0) | |
4950 | return r; | |
4951 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
4952 | i != objects.end(); | |
4953 | ++i) { | |
11fdf7f2 | 4954 | ceph_assert(_check_replay_guard(cid, *i, spos)); |
7c673cae FG |
4955 | r = _remove(cid, *i, spos); |
4956 | if (r < 0) | |
4957 | return r; | |
4958 | } | |
4959 | objects.clear(); | |
4960 | } | |
4961 | return _destroy_collection(cid); | |
4962 | } | |
4963 | ||
4964 | // -------------------------- | |
4965 | // collections | |
4966 | ||
4967 | int FileStore::list_collections(vector<coll_t>& ls) | |
4968 | { | |
4969 | return list_collections(ls, false); | |
4970 | } | |
4971 | ||
4972 | int FileStore::list_collections(vector<coll_t>& ls, bool include_temp) | |
4973 | { | |
4974 | tracepoint(objectstore, list_collections_enter); | |
31f18b77 | 4975 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
4976 | |
4977 | char fn[PATH_MAX]; | |
4978 | snprintf(fn, sizeof(fn), "%s/current", basedir.c_str()); | |
4979 | ||
4980 | int r = 0; | |
4981 | DIR *dir = ::opendir(fn); | |
4982 | if (!dir) { | |
4983 | r = -errno; | |
4984 | derr << "tried opening directory " << fn << ": " << cpp_strerror(-r) << dendl; | |
11fdf7f2 | 4985 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
4986 | return r; |
4987 | } | |
4988 | ||
4989 | struct dirent *de = nullptr; | |
b3b6e05e TL |
4990 | while (true) { |
4991 | errno = 0; | |
4992 | de = ::readdir(dir); | |
4993 | if (de == nullptr) { | |
4994 | if (errno != 0) { | |
4995 | r = -errno; | |
4996 | derr << "readdir failed " << fn << ": " << cpp_strerror(-r) << dendl; | |
4997 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); | |
4998 | } | |
4999 | break; | |
5000 | } | |
7c673cae FG |
5001 | if (de->d_type == DT_UNKNOWN) { |
5002 | // d_type not supported (non-ext[234], btrfs), must stat | |
5003 | struct stat sb; | |
5004 | char filename[PATH_MAX]; | |
11fdf7f2 TL |
5005 | if (int n = snprintf(filename, sizeof(filename), "%s/%s", fn, de->d_name); |
5006 | n >= static_cast<int>(sizeof(filename))) { | |
5007 | derr << __func__ << " path length overrun: " << n << dendl; | |
5008 | ceph_abort(); | |
5009 | } | |
7c673cae FG |
5010 | |
5011 | r = ::stat(filename, &sb); | |
5012 | if (r < 0) { | |
5013 | r = -errno; | |
5014 | derr << "stat on " << filename << ": " << cpp_strerror(-r) << dendl; | |
11fdf7f2 | 5015 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5016 | break; |
5017 | } | |
5018 | if (!S_ISDIR(sb.st_mode)) { | |
5019 | continue; | |
5020 | } | |
5021 | } else if (de->d_type != DT_DIR) { | |
5022 | continue; | |
5023 | } | |
5024 | if (strcmp(de->d_name, "omap") == 0) { | |
5025 | continue; | |
5026 | } | |
5027 | if (de->d_name[0] == '.' && | |
5028 | (de->d_name[1] == '\0' || | |
5029 | (de->d_name[1] == '.' && | |
5030 | de->d_name[2] == '\0'))) | |
5031 | continue; | |
5032 | coll_t cid; | |
5033 | if (!cid.parse(de->d_name)) { | |
5034 | derr << "ignoring invalid collection '" << de->d_name << "'" << dendl; | |
5035 | continue; | |
5036 | } | |
5037 | if (!cid.is_temp() || include_temp) | |
5038 | ls.push_back(cid); | |
5039 | } | |
5040 | ||
5041 | if (r > 0) { | |
5042 | derr << "trying readdir " << fn << ": " << cpp_strerror(r) << dendl; | |
5043 | r = -r; | |
5044 | } | |
5045 | ||
5046 | ::closedir(dir); | |
11fdf7f2 | 5047 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5048 | tracepoint(objectstore, list_collections_exit, r); |
5049 | return r; | |
5050 | } | |
5051 | ||
5052 | int FileStore::collection_stat(const coll_t& c, struct stat *st) | |
5053 | { | |
5054 | tracepoint(objectstore, collection_stat_enter, c.c_str()); | |
5055 | char fn[PATH_MAX]; | |
5056 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5057 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5058 | int r = ::stat(fn, st); |
5059 | if (r < 0) | |
5060 | r = -errno; | |
31f18b77 | 5061 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
11fdf7f2 | 5062 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5063 | tracepoint(objectstore, collection_stat_exit, r); |
5064 | return r; | |
5065 | } | |
5066 | ||
5067 | bool FileStore::collection_exists(const coll_t& c) | |
5068 | { | |
5069 | tracepoint(objectstore, collection_exists_enter, c.c_str()); | |
5070 | struct stat st; | |
5071 | bool ret = collection_stat(c, &st) == 0; | |
5072 | tracepoint(objectstore, collection_exists_exit, ret); | |
5073 | return ret; | |
5074 | } | |
5075 | ||
11fdf7f2 | 5076 | int FileStore::collection_empty(const coll_t& cid, bool *empty) |
7c673cae | 5077 | { |
11fdf7f2 TL |
5078 | tracepoint(objectstore, collection_empty_enter, cid.c_str()); |
5079 | dout(15) << __FUNC__ << ": " << cid << dendl; | |
7c673cae | 5080 | Index index; |
11fdf7f2 | 5081 | int r = get_index(cid, &index); |
7c673cae | 5082 | if (r < 0) { |
31f18b77 | 5083 | derr << __FUNC__ << ": get_index returned: " << cpp_strerror(r) |
7c673cae FG |
5084 | << dendl; |
5085 | return r; | |
5086 | } | |
5087 | ||
11fdf7f2 | 5088 | ceph_assert(index.index); |
9f95a23c | 5089 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5090 | |
5091 | vector<ghobject_t> ls; | |
5092 | r = index->collection_list_partial(ghobject_t(), ghobject_t::get_max(), | |
11fdf7f2 | 5093 | 1, &ls, nullptr); |
7c673cae | 5094 | if (r < 0) { |
31f18b77 | 5095 | derr << __FUNC__ << ": collection_list_partial returned: " |
7c673cae | 5096 | << cpp_strerror(r) << dendl; |
11fdf7f2 | 5097 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5098 | return r; |
5099 | } | |
5100 | *empty = ls.empty(); | |
5101 | tracepoint(objectstore, collection_empty_exit, *empty); | |
5102 | return 0; | |
5103 | } | |
5104 | ||
5105 | int FileStore::_collection_set_bits(const coll_t& c, int bits) | |
5106 | { | |
5107 | char fn[PATH_MAX]; | |
5108 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5109 | dout(10) << __FUNC__ << ": " << fn << " " << bits << dendl; |
7c673cae FG |
5110 | char n[PATH_MAX]; |
5111 | int r; | |
5112 | int32_t v = bits; | |
91327a77 | 5113 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
5114 | if (fd < 0) { |
5115 | r = -errno; | |
5116 | goto out; | |
5117 | } | |
5118 | get_attrname("bits", n, PATH_MAX); | |
5119 | r = chain_fsetxattr(fd, n, (char*)&v, sizeof(v)); | |
5120 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
5121 | out: | |
31f18b77 | 5122 | dout(10) << __FUNC__ << ": " << fn << " " << bits << " = " << r << dendl; |
7c673cae FG |
5123 | return r; |
5124 | } | |
5125 | ||
11fdf7f2 | 5126 | int FileStore::collection_bits(CollectionHandle& ch) |
7c673cae FG |
5127 | { |
5128 | char fn[PATH_MAX]; | |
11fdf7f2 | 5129 | get_cdir(ch->cid, fn, sizeof(fn)); |
31f18b77 | 5130 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5131 | int r; |
5132 | char n[PATH_MAX]; | |
5133 | int32_t bits; | |
91327a77 | 5134 | int fd = ::open(fn, O_RDONLY|O_CLOEXEC); |
7c673cae FG |
5135 | if (fd < 0) { |
5136 | bits = r = -errno; | |
5137 | goto out; | |
5138 | } | |
5139 | get_attrname("bits", n, PATH_MAX); | |
5140 | r = chain_fgetxattr(fd, n, (char*)&bits, sizeof(bits)); | |
5141 | VOID_TEMP_FAILURE_RETRY(::close(fd)); | |
5142 | if (r < 0) { | |
5143 | bits = r; | |
5144 | goto out; | |
5145 | } | |
5146 | out: | |
31f18b77 | 5147 | dout(10) << __FUNC__ << ": " << fn << " = " << bits << dendl; |
7c673cae FG |
5148 | return bits; |
5149 | } | |
5150 | ||
5151 | int FileStore::collection_list(const coll_t& c, | |
5152 | const ghobject_t& orig_start, | |
5153 | const ghobject_t& end, | |
5154 | int max, | |
5155 | vector<ghobject_t> *ls, ghobject_t *next) | |
5156 | { | |
5157 | ghobject_t start = orig_start; | |
5158 | if (start.is_max()) | |
5159 | return 0; | |
5160 | ||
5161 | ghobject_t temp_next; | |
5162 | if (!next) | |
5163 | next = &temp_next; | |
5164 | // figure out the pool id. we need this in order to generate a | |
5165 | // meaningful 'next' value. | |
5166 | int64_t pool = -1; | |
5167 | shard_id_t shard; | |
5168 | { | |
5169 | spg_t pgid; | |
5170 | if (c.is_temp(&pgid)) { | |
5171 | pool = -2 - pgid.pool(); | |
5172 | shard = pgid.shard; | |
5173 | } else if (c.is_pg(&pgid)) { | |
5174 | pool = pgid.pool(); | |
5175 | shard = pgid.shard; | |
5176 | } else if (c.is_meta()) { | |
5177 | pool = -1; | |
5178 | shard = shard_id_t::NO_SHARD; | |
5179 | } else { | |
5180 | // hrm, the caller is test code! we should get kill it off. for now, | |
5181 | // tolerate it. | |
5182 | pool = 0; | |
5183 | shard = shard_id_t::NO_SHARD; | |
5184 | } | |
31f18b77 | 5185 | dout(20) << __FUNC__ << ": pool is " << pool << " shard is " << shard |
7c673cae FG |
5186 | << " pgid " << pgid << dendl; |
5187 | } | |
5188 | ghobject_t sep; | |
5189 | sep.hobj.pool = -1; | |
5190 | sep.set_shard(shard); | |
5191 | if (!c.is_temp() && !c.is_meta()) { | |
5192 | if (start < sep) { | |
31f18b77 | 5193 | dout(10) << __FUNC__ << ": first checking temp pool" << dendl; |
7c673cae FG |
5194 | coll_t temp = c.get_temp(); |
5195 | int r = collection_list(temp, start, end, max, ls, next); | |
5196 | if (r < 0) | |
5197 | return r; | |
5198 | if (*next != ghobject_t::get_max()) | |
5199 | return r; | |
5200 | start = sep; | |
31f18b77 | 5201 | dout(10) << __FUNC__ << ": fall through to non-temp collection, start " |
7c673cae FG |
5202 | << start << dendl; |
5203 | } else { | |
31f18b77 | 5204 | dout(10) << __FUNC__ << ": start " << start << " >= sep " << sep << dendl; |
7c673cae FG |
5205 | } |
5206 | } | |
5207 | ||
5208 | Index index; | |
5209 | int r = get_index(c, &index); | |
5210 | if (r < 0) | |
5211 | return r; | |
5212 | ||
11fdf7f2 | 5213 | ceph_assert(index.index); |
9f95a23c | 5214 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5215 | |
5216 | r = index->collection_list_partial(start, end, max, ls, next); | |
5217 | ||
5218 | if (r < 0) { | |
11fdf7f2 | 5219 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5220 | return r; |
5221 | } | |
5222 | dout(20) << "objects: " << *ls << dendl; | |
5223 | ||
5224 | // HashIndex doesn't know the pool when constructing a 'next' value | |
11fdf7f2 | 5225 | if (!next->is_max()) { |
7c673cae FG |
5226 | next->hobj.pool = pool; |
5227 | next->set_shard(shard); | |
5228 | dout(20) << " next " << *next << dendl; | |
5229 | } | |
5230 | ||
5231 | return 0; | |
5232 | } | |
5233 | ||
11fdf7f2 | 5234 | int FileStore::omap_get(CollectionHandle& ch, const ghobject_t &hoid, |
7c673cae FG |
5235 | bufferlist *header, |
5236 | map<string, bufferlist> *out) | |
5237 | { | |
11fdf7f2 TL |
5238 | tracepoint(objectstore, omap_get_enter, ch->cid.c_str()); |
5239 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5240 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5241 | |
5242 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5243 | osr->wait_for_apply(hoid); | |
5244 | ||
7c673cae FG |
5245 | Index index; |
5246 | int r = get_index(c, &index); | |
5247 | if (r < 0) | |
5248 | return r; | |
5249 | { | |
11fdf7f2 | 5250 | ceph_assert(index.index); |
9f95a23c | 5251 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5252 | r = lfn_find(hoid, index); |
5253 | if (r < 0) | |
5254 | return r; | |
5255 | } | |
5256 | r = object_map->get(hoid, header, out); | |
5257 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5258 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5259 | return r; |
5260 | } | |
5261 | tracepoint(objectstore, omap_get_exit, 0); | |
5262 | return 0; | |
5263 | } | |
5264 | ||
5265 | int FileStore::omap_get_header( | |
11fdf7f2 | 5266 | CollectionHandle& ch, |
7c673cae FG |
5267 | const ghobject_t &hoid, |
5268 | bufferlist *bl, | |
5269 | bool allow_eio) | |
5270 | { | |
11fdf7f2 TL |
5271 | tracepoint(objectstore, omap_get_header_enter, ch->cid.c_str()); |
5272 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5273 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5274 | |
5275 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5276 | osr->wait_for_apply(hoid); | |
5277 | ||
7c673cae FG |
5278 | Index index; |
5279 | int r = get_index(c, &index); | |
5280 | if (r < 0) | |
5281 | return r; | |
5282 | { | |
11fdf7f2 | 5283 | ceph_assert(index.index); |
9f95a23c | 5284 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5285 | r = lfn_find(hoid, index); |
5286 | if (r < 0) | |
5287 | return r; | |
5288 | } | |
5289 | r = object_map->get_header(hoid, bl); | |
5290 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5291 | ceph_assert(allow_eio || !m_filestore_fail_eio || r != -EIO); |
7c673cae FG |
5292 | return r; |
5293 | } | |
5294 | tracepoint(objectstore, omap_get_header_exit, 0); | |
5295 | return 0; | |
5296 | } | |
5297 | ||
11fdf7f2 | 5298 | int FileStore::omap_get_keys(CollectionHandle& ch, const ghobject_t &hoid, set<string> *keys) |
7c673cae | 5299 | { |
11fdf7f2 TL |
5300 | tracepoint(objectstore, omap_get_keys_enter, ch->cid.c_str()); |
5301 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5302 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5303 | |
5304 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5305 | osr->wait_for_apply(hoid); | |
5306 | ||
7c673cae FG |
5307 | Index index; |
5308 | int r = get_index(c, &index); | |
5309 | if (r < 0) | |
5310 | return r; | |
5311 | { | |
11fdf7f2 | 5312 | ceph_assert(index.index); |
9f95a23c | 5313 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5314 | r = lfn_find(hoid, index); |
5315 | if (r < 0) | |
5316 | return r; | |
5317 | } | |
5318 | r = object_map->get_keys(hoid, keys); | |
5319 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5320 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5321 | return r; |
5322 | } | |
5323 | tracepoint(objectstore, omap_get_keys_exit, 0); | |
5324 | return 0; | |
5325 | } | |
5326 | ||
11fdf7f2 | 5327 | int FileStore::omap_get_values(CollectionHandle& ch, const ghobject_t &hoid, |
7c673cae FG |
5328 | const set<string> &keys, |
5329 | map<string, bufferlist> *out) | |
5330 | { | |
11fdf7f2 TL |
5331 | tracepoint(objectstore, omap_get_values_enter, ch->cid.c_str()); |
5332 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5333 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
11fdf7f2 TL |
5334 | |
5335 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5336 | osr->wait_for_apply(hoid); | |
5337 | ||
7c673cae FG |
5338 | Index index; |
5339 | const char *where = "()"; | |
5340 | int r = get_index(c, &index); | |
5341 | if (r < 0) { | |
5342 | where = " (get_index)"; | |
5343 | goto out; | |
5344 | } | |
5345 | { | |
11fdf7f2 | 5346 | ceph_assert(index.index); |
9f95a23c | 5347 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5348 | r = lfn_find(hoid, index); |
5349 | if (r < 0) { | |
5350 | where = " (lfn_find)"; | |
5351 | goto out; | |
5352 | } | |
5353 | } | |
5354 | r = object_map->get_values(hoid, keys, out); | |
5355 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5356 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5357 | where = " (get_values)"; |
5358 | goto out; | |
5359 | } | |
5360 | r = 0; | |
5361 | out: | |
5362 | tracepoint(objectstore, omap_get_values_exit, r); | |
31f18b77 | 5363 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << " = " << r |
7c673cae FG |
5364 | << where << dendl; |
5365 | return r; | |
5366 | } | |
5367 | ||
11fdf7f2 | 5368 | int FileStore::omap_check_keys(CollectionHandle& ch, const ghobject_t &hoid, |
7c673cae FG |
5369 | const set<string> &keys, |
5370 | set<string> *out) | |
5371 | { | |
11fdf7f2 TL |
5372 | tracepoint(objectstore, omap_check_keys_enter, ch->cid.c_str()); |
5373 | const coll_t& c = !_need_temp_object_collection(ch->cid, hoid) ? ch->cid : ch->cid.get_temp(); | |
31f18b77 | 5374 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae | 5375 | |
11fdf7f2 TL |
5376 | auto osr = static_cast<OpSequencer*>(ch.get()); |
5377 | osr->wait_for_apply(hoid); | |
5378 | ||
7c673cae FG |
5379 | Index index; |
5380 | int r = get_index(c, &index); | |
5381 | if (r < 0) | |
5382 | return r; | |
5383 | { | |
11fdf7f2 | 5384 | ceph_assert(index.index); |
9f95a23c | 5385 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5386 | r = lfn_find(hoid, index); |
5387 | if (r < 0) | |
5388 | return r; | |
5389 | } | |
5390 | r = object_map->check_keys(hoid, keys, out); | |
5391 | if (r < 0 && r != -ENOENT) { | |
11fdf7f2 | 5392 | if (r == -EIO && m_filestore_fail_eio) handle_eio(); |
7c673cae FG |
5393 | return r; |
5394 | } | |
5395 | tracepoint(objectstore, omap_check_keys_exit, 0); | |
5396 | return 0; | |
5397 | } | |
5398 | ||
11fdf7f2 TL |
5399 | ObjectMap::ObjectMapIterator FileStore::get_omap_iterator( |
5400 | CollectionHandle& ch, | |
5401 | const ghobject_t &oid) | |
5402 | { | |
5403 | auto osr = static_cast<OpSequencer*>(ch.get()); | |
5404 | osr->wait_for_apply(oid); | |
5405 | return get_omap_iterator(ch->cid, oid); | |
5406 | } | |
5407 | ||
7c673cae FG |
5408 | ObjectMap::ObjectMapIterator FileStore::get_omap_iterator(const coll_t& _c, |
5409 | const ghobject_t &hoid) | |
5410 | { | |
5411 | tracepoint(objectstore, get_omap_iterator, _c.c_str()); | |
5412 | const coll_t& c = !_need_temp_object_collection(_c, hoid) ? _c : _c.get_temp(); | |
31f18b77 | 5413 | dout(15) << __FUNC__ << ": " << c << "/" << hoid << dendl; |
7c673cae FG |
5414 | Index index; |
5415 | int r = get_index(c, &index); | |
5416 | if (r < 0) { | |
31f18b77 | 5417 | dout(10) << __FUNC__ << ": " << c << "/" << hoid << " = 0 " |
7c673cae FG |
5418 | << "(get_index failed with " << cpp_strerror(r) << ")" << dendl; |
5419 | return ObjectMap::ObjectMapIterator(); | |
5420 | } | |
5421 | { | |
11fdf7f2 | 5422 | ceph_assert(index.index); |
9f95a23c | 5423 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5424 | r = lfn_find(hoid, index); |
5425 | if (r < 0) { | |
31f18b77 | 5426 | dout(10) << __FUNC__ << ": " << c << "/" << hoid << " = 0 " |
7c673cae FG |
5427 | << "(lfn_find failed with " << cpp_strerror(r) << ")" << dendl; |
5428 | return ObjectMap::ObjectMapIterator(); | |
5429 | } | |
5430 | } | |
5431 | return object_map->get_iterator(hoid); | |
5432 | } | |
5433 | ||
5434 | int FileStore::_collection_hint_expected_num_objs(const coll_t& c, uint32_t pg_num, | |
5435 | uint64_t expected_num_objs, | |
5436 | const SequencerPosition &spos) | |
5437 | { | |
31f18b77 | 5438 | dout(15) << __FUNC__ << ": collection: " << c << " pg number: " |
7c673cae FG |
5439 | << pg_num << " expected number of objects: " << expected_num_objs << dendl; |
5440 | ||
5441 | bool empty; | |
5442 | int ret = collection_empty(c, &empty); | |
5443 | if (ret < 0) | |
5444 | return ret; | |
5445 | if (!empty && !replaying) { | |
5446 | dout(0) << "Failed to give an expected number of objects hint to collection : " | |
5447 | << c << ", only empty collection can take such type of hint. " << dendl; | |
5448 | return 0; | |
5449 | } | |
5450 | ||
5451 | Index index; | |
5452 | ret = get_index(c, &index); | |
5453 | if (ret < 0) | |
5454 | return ret; | |
5455 | // Pre-hash the collection | |
5456 | ret = index->pre_hash_collection(pg_num, expected_num_objs); | |
5457 | dout(10) << "pre_hash_collection " << c << " = " << ret << dendl; | |
5458 | if (ret < 0) | |
5459 | return ret; | |
5460 | _set_replay_guard(c, spos); | |
5461 | ||
5462 | return 0; | |
5463 | } | |
5464 | ||
5465 | int FileStore::_create_collection( | |
5466 | const coll_t& c, | |
5467 | int bits, | |
5468 | const SequencerPosition &spos) | |
5469 | { | |
5470 | char fn[PATH_MAX]; | |
5471 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5472 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5473 | int r = ::mkdir(fn, 0755); |
5474 | if (r < 0) | |
5475 | r = -errno; | |
5476 | if (r == -EEXIST && replaying) | |
5477 | r = 0; | |
31f18b77 | 5478 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
5479 | |
5480 | if (r < 0) | |
5481 | return r; | |
5482 | r = init_index(c); | |
5483 | if (r < 0) | |
5484 | return r; | |
5485 | r = _collection_set_bits(c, bits); | |
5486 | if (r < 0) | |
5487 | return r; | |
5488 | // create parallel temp collection, too | |
5489 | if (!c.is_meta() && !c.is_temp()) { | |
5490 | coll_t temp = c.get_temp(); | |
5491 | r = _create_collection(temp, 0, spos); | |
5492 | if (r < 0) | |
5493 | return r; | |
5494 | } | |
5495 | ||
5496 | _set_replay_guard(c, spos); | |
5497 | return 0; | |
5498 | } | |
5499 | ||
5500 | int FileStore::_destroy_collection(const coll_t& c) | |
5501 | { | |
5502 | int r = 0; | |
5503 | char fn[PATH_MAX]; | |
5504 | get_cdir(c, fn, sizeof(fn)); | |
31f18b77 | 5505 | dout(15) << __FUNC__ << ": " << fn << dendl; |
7c673cae FG |
5506 | { |
5507 | Index from; | |
5508 | r = get_index(c, &from); | |
5509 | if (r < 0) | |
5510 | goto out; | |
11fdf7f2 | 5511 | ceph_assert(from.index); |
9f95a23c | 5512 | std::unique_lock l{(from.index)->access_lock}; |
7c673cae FG |
5513 | |
5514 | r = from->prep_delete(); | |
5515 | if (r < 0) | |
5516 | goto out; | |
5517 | } | |
5518 | r = ::rmdir(fn); | |
5519 | if (r < 0) { | |
5520 | r = -errno; | |
5521 | goto out; | |
5522 | } | |
5523 | ||
5524 | out: | |
5525 | // destroy parallel temp collection, too | |
5526 | if (!c.is_meta() && !c.is_temp()) { | |
5527 | coll_t temp = c.get_temp(); | |
5528 | int r2 = _destroy_collection(temp); | |
5529 | if (r2 < 0) { | |
5530 | r = r2; | |
5531 | goto out_final; | |
5532 | } | |
5533 | } | |
5534 | ||
5535 | out_final: | |
31f18b77 | 5536 | dout(10) << __FUNC__ << ": " << fn << " = " << r << dendl; |
7c673cae FG |
5537 | return r; |
5538 | } | |
5539 | ||
5540 | ||
5541 | int FileStore::_collection_add(const coll_t& c, const coll_t& oldcid, const ghobject_t& o, | |
5542 | const SequencerPosition& spos) | |
5543 | { | |
31f18b77 | 5544 | dout(15) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << o << dendl; |
7c673cae FG |
5545 | |
5546 | int dstcmp = _check_replay_guard(c, o, spos); | |
5547 | if (dstcmp < 0) | |
5548 | return 0; | |
5549 | ||
5550 | // check the src name too; it might have a newer guard, and we don't | |
5551 | // want to clobber it | |
5552 | int srccmp = _check_replay_guard(oldcid, o, spos); | |
5553 | if (srccmp < 0) | |
5554 | return 0; | |
5555 | ||
5556 | // open guard on object so we don't any previous operations on the | |
5557 | // new name that will modify the source inode. | |
5558 | FDRef fd; | |
5559 | int r = lfn_open(oldcid, o, 0, &fd); | |
5560 | if (r < 0) { | |
5561 | // the source collection/object does not exist. If we are replaying, we | |
5562 | // should be safe, so just return 0 and move on. | |
11fdf7f2 | 5563 | ceph_assert(replaying); |
31f18b77 | 5564 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5565 | << oldcid << "/" << o << " (dne, continue replay) " << dendl; |
5566 | return 0; | |
5567 | } | |
5568 | if (dstcmp > 0) { // if dstcmp == 0 the guard already says "in-progress" | |
5569 | _set_replay_guard(**fd, spos, &o, true); | |
5570 | } | |
5571 | ||
5572 | r = lfn_link(oldcid, c, o, o); | |
5573 | if (replaying && !backend->can_checkpoint() && | |
5574 | r == -EEXIST) // crashed between link() and set_replay_guard() | |
5575 | r = 0; | |
5576 | ||
5577 | _inject_failure(); | |
5578 | ||
5579 | // close guard on object so we don't do this again | |
5580 | if (r == 0) { | |
5581 | _close_replay_guard(**fd, spos); | |
5582 | } | |
5583 | lfn_close(fd); | |
5584 | ||
31f18b77 | 5585 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << o << " = " << r << dendl; |
7c673cae FG |
5586 | return r; |
5587 | } | |
5588 | ||
5589 | int FileStore::_collection_move_rename(const coll_t& oldcid, const ghobject_t& oldoid, | |
5590 | coll_t c, const ghobject_t& o, | |
5591 | const SequencerPosition& spos, | |
5592 | bool allow_enoent) | |
5593 | { | |
31f18b77 | 5594 | dout(15) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid << dendl; |
7c673cae FG |
5595 | int r = 0; |
5596 | int dstcmp, srccmp; | |
5597 | ||
5598 | if (replaying) { | |
5599 | /* If the destination collection doesn't exist during replay, | |
5600 | * we need to delete the src object and continue on | |
5601 | */ | |
5602 | if (!collection_exists(c)) | |
5603 | goto out_rm_src; | |
5604 | } | |
5605 | ||
5606 | dstcmp = _check_replay_guard(c, o, spos); | |
5607 | if (dstcmp < 0) | |
5608 | goto out_rm_src; | |
5609 | ||
5610 | // check the src name too; it might have a newer guard, and we don't | |
5611 | // want to clobber it | |
5612 | srccmp = _check_replay_guard(oldcid, oldoid, spos); | |
5613 | if (srccmp < 0) | |
5614 | return 0; | |
5615 | ||
5616 | { | |
5617 | // open guard on object so we don't any previous operations on the | |
5618 | // new name that will modify the source inode. | |
5619 | FDRef fd; | |
5620 | r = lfn_open(oldcid, oldoid, 0, &fd); | |
5621 | if (r < 0) { | |
5622 | // the source collection/object does not exist. If we are replaying, we | |
5623 | // should be safe, so just return 0 and move on. | |
5624 | if (replaying) { | |
31f18b77 | 5625 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5626 | << oldcid << "/" << oldoid << " (dne, continue replay) " << dendl; |
5627 | } else if (allow_enoent) { | |
31f18b77 | 5628 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " |
7c673cae FG |
5629 | << oldcid << "/" << oldoid << " (dne, ignoring enoent)" |
5630 | << dendl; | |
5631 | } else { | |
11fdf7f2 | 5632 | ceph_abort_msg("ERROR: source must exist"); |
7c673cae FG |
5633 | } |
5634 | ||
5635 | if (!replaying) { | |
5636 | return 0; | |
5637 | } | |
5638 | if (allow_enoent && dstcmp > 0) { // if dstcmp == 0, try_rename was started. | |
5639 | return 0; | |
5640 | } | |
5641 | ||
5642 | r = 0; // don't know if object_map was cloned | |
5643 | } else { | |
5644 | if (dstcmp > 0) { // if dstcmp == 0 the guard already says "in-progress" | |
5645 | _set_replay_guard(**fd, spos, &o, true); | |
5646 | } | |
5647 | ||
5648 | r = lfn_link(oldcid, c, oldoid, o); | |
5649 | if (replaying && !backend->can_checkpoint() && | |
5650 | r == -EEXIST) // crashed between link() and set_replay_guard() | |
5651 | r = 0; | |
5652 | ||
5653 | lfn_close(fd); | |
5654 | fd = FDRef(); | |
5655 | ||
5656 | _inject_failure(); | |
5657 | } | |
5658 | ||
5659 | if (r == 0) { | |
5660 | // the name changed; link the omap content | |
5661 | r = object_map->rename(oldoid, o, &spos); | |
5662 | if (r == -ENOENT) | |
5663 | r = 0; | |
5664 | } | |
5665 | ||
5666 | _inject_failure(); | |
5667 | ||
5668 | if (r == 0) | |
5669 | r = lfn_unlink(oldcid, oldoid, spos, true); | |
5670 | ||
5671 | if (r == 0) | |
5672 | r = lfn_open(c, o, 0, &fd); | |
5673 | ||
5674 | // close guard on object so we don't do this again | |
5675 | if (r == 0) { | |
5676 | _close_replay_guard(**fd, spos, &o); | |
5677 | lfn_close(fd); | |
5678 | } | |
5679 | } | |
5680 | ||
31f18b77 | 5681 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid |
7c673cae FG |
5682 | << " = " << r << dendl; |
5683 | return r; | |
5684 | ||
5685 | out_rm_src: | |
5686 | // remove source | |
5687 | if (_check_replay_guard(oldcid, oldoid, spos) > 0) { | |
5688 | r = lfn_unlink(oldcid, oldoid, spos, true); | |
5689 | } | |
5690 | ||
31f18b77 | 5691 | dout(10) << __FUNC__ << ": " << c << "/" << o << " from " << oldcid << "/" << oldoid |
7c673cae FG |
5692 | << " = " << r << dendl; |
5693 | return r; | |
5694 | } | |
5695 | ||
5696 | void FileStore::_inject_failure() | |
5697 | { | |
31f18b77 FG |
5698 | if (m_filestore_kill_at) { |
5699 | int final = --m_filestore_kill_at; | |
5700 | dout(5) << __FUNC__ << ": " << (final+1) << " -> " << final << dendl; | |
7c673cae | 5701 | if (final == 0) { |
31f18b77 | 5702 | derr << __FUNC__ << ": KILLING" << dendl; |
7c673cae FG |
5703 | cct->_log->flush(); |
5704 | _exit(1); | |
5705 | } | |
5706 | } | |
5707 | } | |
5708 | ||
5709 | int FileStore::_omap_clear(const coll_t& cid, const ghobject_t &hoid, | |
5710 | const SequencerPosition &spos) { | |
31f18b77 | 5711 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5712 | Index index; |
5713 | int r = get_index(cid, &index); | |
5714 | if (r < 0) | |
5715 | return r; | |
5716 | { | |
11fdf7f2 | 5717 | ceph_assert(index.index); |
9f95a23c | 5718 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5719 | r = lfn_find(hoid, index); |
5720 | if (r < 0) | |
5721 | return r; | |
5722 | } | |
5723 | r = object_map->clear_keys_header(hoid, &spos); | |
5724 | if (r < 0 && r != -ENOENT) | |
5725 | return r; | |
5726 | return 0; | |
5727 | } | |
5728 | ||
5729 | int FileStore::_omap_setkeys(const coll_t& cid, const ghobject_t &hoid, | |
5730 | const map<string, bufferlist> &aset, | |
5731 | const SequencerPosition &spos) { | |
31f18b77 | 5732 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5733 | Index index; |
5734 | int r; | |
5735 | //treat pgmeta as a logical object, skip to check exist | |
5736 | if (hoid.is_pgmeta()) | |
5737 | goto skip; | |
5738 | ||
5739 | r = get_index(cid, &index); | |
5740 | if (r < 0) { | |
31f18b77 | 5741 | dout(20) << __FUNC__ << ": get_index got " << cpp_strerror(r) << dendl; |
7c673cae FG |
5742 | return r; |
5743 | } | |
5744 | { | |
11fdf7f2 | 5745 | ceph_assert(index.index); |
9f95a23c | 5746 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5747 | r = lfn_find(hoid, index); |
5748 | if (r < 0) { | |
31f18b77 | 5749 | dout(20) << __FUNC__ << ": lfn_find got " << cpp_strerror(r) << dendl; |
7c673cae FG |
5750 | return r; |
5751 | } | |
5752 | } | |
5753 | skip: | |
11fdf7f2 | 5754 | if (g_conf()->subsys.should_gather<ceph_subsys_filestore, 20>()) { |
7c673cae | 5755 | for (auto& p : aset) { |
31f18b77 | 5756 | dout(20) << __FUNC__ << ": set " << p.first << dendl; |
7c673cae FG |
5757 | } |
5758 | } | |
5759 | r = object_map->set_keys(hoid, aset, &spos); | |
31f18b77 | 5760 | dout(20) << __FUNC__ << ": " << cid << "/" << hoid << " = " << r << dendl; |
7c673cae FG |
5761 | return r; |
5762 | } | |
5763 | ||
5764 | int FileStore::_omap_rmkeys(const coll_t& cid, const ghobject_t &hoid, | |
5765 | const set<string> &keys, | |
5766 | const SequencerPosition &spos) { | |
31f18b77 | 5767 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5768 | Index index; |
5769 | int r; | |
5770 | //treat pgmeta as a logical object, skip to check exist | |
5771 | if (hoid.is_pgmeta()) | |
5772 | goto skip; | |
5773 | ||
5774 | r = get_index(cid, &index); | |
5775 | if (r < 0) | |
5776 | return r; | |
5777 | { | |
11fdf7f2 | 5778 | ceph_assert(index.index); |
9f95a23c | 5779 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5780 | r = lfn_find(hoid, index); |
5781 | if (r < 0) | |
5782 | return r; | |
5783 | } | |
5784 | skip: | |
5785 | r = object_map->rm_keys(hoid, keys, &spos); | |
5786 | if (r < 0 && r != -ENOENT) | |
5787 | return r; | |
5788 | return 0; | |
5789 | } | |
5790 | ||
5791 | int FileStore::_omap_rmkeyrange(const coll_t& cid, const ghobject_t &hoid, | |
5792 | const string& first, const string& last, | |
5793 | const SequencerPosition &spos) { | |
31f18b77 | 5794 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << " [" << first << "," << last << "]" << dendl; |
7c673cae FG |
5795 | set<string> keys; |
5796 | { | |
5797 | ObjectMap::ObjectMapIterator iter = get_omap_iterator(cid, hoid); | |
5798 | if (!iter) | |
5799 | return -ENOENT; | |
5800 | for (iter->lower_bound(first); iter->valid() && iter->key() < last; | |
5801 | iter->next()) { | |
5802 | keys.insert(iter->key()); | |
5803 | } | |
5804 | } | |
5805 | return _omap_rmkeys(cid, hoid, keys, spos); | |
5806 | } | |
5807 | ||
5808 | int FileStore::_omap_setheader(const coll_t& cid, const ghobject_t &hoid, | |
5809 | const bufferlist &bl, | |
5810 | const SequencerPosition &spos) | |
5811 | { | |
31f18b77 | 5812 | dout(15) << __FUNC__ << ": " << cid << "/" << hoid << dendl; |
7c673cae FG |
5813 | Index index; |
5814 | int r = get_index(cid, &index); | |
5815 | if (r < 0) | |
5816 | return r; | |
5817 | { | |
11fdf7f2 | 5818 | ceph_assert(index.index); |
9f95a23c | 5819 | std::shared_lock l{(index.index)->access_lock}; |
7c673cae FG |
5820 | r = lfn_find(hoid, index); |
5821 | if (r < 0) | |
5822 | return r; | |
5823 | } | |
5824 | return object_map->set_header(hoid, bl, &spos); | |
5825 | } | |
5826 | ||
11fdf7f2 TL |
5827 | int FileStore::_merge_collection(const coll_t& cid, |
5828 | uint32_t bits, | |
5829 | coll_t dest, | |
5830 | const SequencerPosition &spos) | |
5831 | { | |
5832 | dout(15) << __FUNC__ << ": " << cid << " " << dest | |
5833 | << " bits " << bits << dendl; | |
5834 | int r = 0; | |
5835 | ||
5836 | if (!collection_exists(cid)) { | |
5837 | dout(2) << __FUNC__ << ": " << cid << " DNE" << dendl; | |
5838 | ceph_assert(replaying); | |
5839 | return 0; | |
5840 | } | |
5841 | if (!collection_exists(dest)) { | |
5842 | dout(2) << __FUNC__ << ": " << dest << " DNE" << dendl; | |
5843 | ceph_assert(replaying); | |
5844 | return 0; | |
5845 | } | |
5846 | ||
5847 | // set bits | |
5848 | if (_check_replay_guard(cid, spos) > 0) | |
5849 | _collection_set_bits(dest, bits); | |
5850 | ||
5851 | spg_t pgid; | |
5852 | bool is_pg = dest.is_pg(&pgid); | |
5853 | ceph_assert(is_pg); | |
5854 | ||
5855 | int dstcmp = _check_replay_guard(dest, spos); | |
5856 | if (dstcmp < 0) | |
5857 | return 0; | |
5858 | ||
5859 | int srccmp = _check_replay_guard(cid, spos); | |
5860 | if (srccmp < 0) | |
5861 | return 0; | |
5862 | ||
5863 | _set_global_replay_guard(cid, spos); | |
5864 | _set_replay_guard(cid, spos, true); | |
5865 | _set_replay_guard(dest, spos, true); | |
5866 | ||
5867 | // main collection | |
5868 | { | |
5869 | Index from; | |
5870 | r = get_index(cid, &from); | |
5871 | ||
5872 | Index to; | |
5873 | if (!r) | |
5874 | r = get_index(dest, &to); | |
5875 | ||
5876 | if (!r) { | |
5877 | ceph_assert(from.index); | |
9f95a23c | 5878 | std::unique_lock l1{(from.index)->access_lock}; |
11fdf7f2 TL |
5879 | |
5880 | ceph_assert(to.index); | |
9f95a23c | 5881 | std::unique_lock l2{(to.index)->access_lock}; |
11fdf7f2 TL |
5882 | |
5883 | r = from->merge(bits, to.index); | |
5884 | } | |
5885 | } | |
5886 | ||
5887 | // temp too | |
5888 | { | |
5889 | Index from; | |
5890 | r = get_index(cid.get_temp(), &from); | |
5891 | ||
5892 | Index to; | |
5893 | if (!r) | |
5894 | r = get_index(dest.get_temp(), &to); | |
5895 | ||
5896 | if (!r) { | |
5897 | ceph_assert(from.index); | |
9f95a23c | 5898 | std::unique_lock l1{(from.index)->access_lock}; |
11fdf7f2 TL |
5899 | |
5900 | ceph_assert(to.index); | |
9f95a23c | 5901 | std::unique_lock l2{(to.index)->access_lock}; |
11fdf7f2 TL |
5902 | |
5903 | r = from->merge(bits, to.index); | |
5904 | } | |
5905 | } | |
5906 | ||
5907 | // remove source | |
5908 | _destroy_collection(cid); | |
5909 | ||
5910 | _close_replay_guard(dest, spos); | |
5911 | _close_replay_guard(dest.get_temp(), spos); | |
5912 | // no need to close guards on cid... it's removed. | |
5913 | ||
5914 | if (!r && cct->_conf->filestore_debug_verify_split) { | |
5915 | vector<ghobject_t> objects; | |
5916 | ghobject_t next; | |
5917 | while (1) { | |
5918 | collection_list( | |
5919 | dest, | |
5920 | next, ghobject_t::get_max(), | |
5921 | get_ideal_list_max(), | |
5922 | &objects, | |
5923 | &next); | |
5924 | if (objects.empty()) | |
5925 | break; | |
5926 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
5927 | i != objects.end(); | |
5928 | ++i) { | |
5929 | if (!i->match(bits, pgid.pgid.ps())) { | |
5930 | dout(20) << __FUNC__ << ": " << *i << " does not belong in " | |
5931 | << cid << dendl; | |
5932 | ceph_assert(i->match(bits, pgid.pgid.ps())); | |
5933 | } | |
5934 | } | |
5935 | objects.clear(); | |
5936 | } | |
5937 | } | |
5938 | ||
5939 | dout(15) << __FUNC__ << ": " << cid << " " << dest << " bits " << bits | |
5940 | << " = " << r << dendl; | |
5941 | return r; | |
5942 | } | |
5943 | ||
7c673cae FG |
5944 | int FileStore::_split_collection(const coll_t& cid, |
5945 | uint32_t bits, | |
5946 | uint32_t rem, | |
5947 | coll_t dest, | |
5948 | const SequencerPosition &spos) | |
5949 | { | |
5950 | int r; | |
5951 | { | |
31f18b77 | 5952 | dout(15) << __FUNC__ << ": " << cid << " bits: " << bits << dendl; |
7c673cae | 5953 | if (!collection_exists(cid)) { |
31f18b77 | 5954 | dout(2) << __FUNC__ << ": " << cid << " DNE" << dendl; |
11fdf7f2 | 5955 | ceph_assert(replaying); |
7c673cae FG |
5956 | return 0; |
5957 | } | |
5958 | if (!collection_exists(dest)) { | |
31f18b77 | 5959 | dout(2) << __FUNC__ << ": " << dest << " DNE" << dendl; |
11fdf7f2 | 5960 | ceph_assert(replaying); |
7c673cae FG |
5961 | return 0; |
5962 | } | |
5963 | ||
5964 | int dstcmp = _check_replay_guard(dest, spos); | |
5965 | if (dstcmp < 0) | |
5966 | return 0; | |
5967 | ||
5968 | int srccmp = _check_replay_guard(cid, spos); | |
5969 | if (srccmp < 0) | |
5970 | return 0; | |
5971 | ||
5972 | _set_global_replay_guard(cid, spos); | |
5973 | _set_replay_guard(cid, spos, true); | |
5974 | _set_replay_guard(dest, spos, true); | |
5975 | ||
5976 | Index from; | |
5977 | r = get_index(cid, &from); | |
5978 | ||
5979 | Index to; | |
5980 | if (!r) | |
5981 | r = get_index(dest, &to); | |
5982 | ||
5983 | if (!r) { | |
11fdf7f2 | 5984 | ceph_assert(from.index); |
9f95a23c | 5985 | std::unique_lock l1{(from.index)->access_lock}; |
7c673cae | 5986 | |
11fdf7f2 | 5987 | ceph_assert(to.index); |
9f95a23c | 5988 | std::unique_lock l2{(to.index)->access_lock}; |
7c673cae FG |
5989 | |
5990 | r = from->split(rem, bits, to.index); | |
5991 | } | |
5992 | ||
5993 | _close_replay_guard(cid, spos); | |
5994 | _close_replay_guard(dest, spos); | |
5995 | } | |
5996 | _collection_set_bits(cid, bits); | |
5997 | if (!r && cct->_conf->filestore_debug_verify_split) { | |
5998 | vector<ghobject_t> objects; | |
5999 | ghobject_t next; | |
6000 | while (1) { | |
6001 | collection_list( | |
6002 | cid, | |
6003 | next, ghobject_t::get_max(), | |
6004 | get_ideal_list_max(), | |
6005 | &objects, | |
6006 | &next); | |
6007 | if (objects.empty()) | |
6008 | break; | |
6009 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
6010 | i != objects.end(); | |
6011 | ++i) { | |
31f18b77 | 6012 | dout(20) << __FUNC__ << ": " << *i << " still in source " |
7c673cae | 6013 | << cid << dendl; |
11fdf7f2 | 6014 | ceph_assert(!i->match(bits, rem)); |
7c673cae FG |
6015 | } |
6016 | objects.clear(); | |
6017 | } | |
6018 | next = ghobject_t(); | |
6019 | while (1) { | |
6020 | collection_list( | |
6021 | dest, | |
6022 | next, ghobject_t::get_max(), | |
6023 | get_ideal_list_max(), | |
6024 | &objects, | |
6025 | &next); | |
6026 | if (objects.empty()) | |
6027 | break; | |
6028 | for (vector<ghobject_t>::iterator i = objects.begin(); | |
6029 | i != objects.end(); | |
6030 | ++i) { | |
31f18b77 | 6031 | dout(20) << __FUNC__ << ": " << *i << " now in dest " |
7c673cae | 6032 | << *i << dendl; |
11fdf7f2 | 6033 | ceph_assert(i->match(bits, rem)); |
7c673cae FG |
6034 | } |
6035 | objects.clear(); | |
6036 | } | |
6037 | } | |
6038 | return r; | |
6039 | } | |
6040 | ||
6041 | int FileStore::_set_alloc_hint(const coll_t& cid, const ghobject_t& oid, | |
6042 | uint64_t expected_object_size, | |
6043 | uint64_t expected_write_size) | |
6044 | { | |
31f18b77 | 6045 | dout(15) << __FUNC__ << ": " << cid << "/" << oid << " object_size " << expected_object_size << " write_size " << expected_write_size << dendl; |
7c673cae FG |
6046 | |
6047 | FDRef fd; | |
6048 | int ret = 0; | |
6049 | ||
6050 | if (expected_object_size == 0 || expected_write_size == 0) | |
6051 | goto out; | |
6052 | ||
6053 | ret = lfn_open(cid, oid, false, &fd); | |
6054 | if (ret < 0) | |
6055 | goto out; | |
6056 | ||
6057 | { | |
6058 | // TODO: a more elaborate hint calculation | |
11fdf7f2 | 6059 | uint64_t hint = std::min<uint64_t>(expected_write_size, m_filestore_max_alloc_hint_size); |
7c673cae FG |
6060 | |
6061 | ret = backend->set_alloc_hint(**fd, hint); | |
31f18b77 | 6062 | dout(20) << __FUNC__ << ": hint " << hint << " ret " << ret << dendl; |
7c673cae FG |
6063 | } |
6064 | ||
6065 | lfn_close(fd); | |
6066 | out: | |
31f18b77 | 6067 | dout(10) << __FUNC__ << ": " << cid << "/" << oid << " object_size " << expected_object_size << " write_size " << expected_write_size << " = " << ret << dendl; |
11fdf7f2 | 6068 | ceph_assert(!m_filestore_fail_eio || ret != -EIO); |
7c673cae FG |
6069 | return ret; |
6070 | } | |
6071 | ||
6072 | const char** FileStore::get_tracked_conf_keys() const | |
6073 | { | |
6074 | static const char* KEYS[] = { | |
6075 | "filestore_max_inline_xattr_size", | |
6076 | "filestore_max_inline_xattr_size_xfs", | |
6077 | "filestore_max_inline_xattr_size_btrfs", | |
6078 | "filestore_max_inline_xattr_size_other", | |
6079 | "filestore_max_inline_xattrs", | |
6080 | "filestore_max_inline_xattrs_xfs", | |
6081 | "filestore_max_inline_xattrs_btrfs", | |
6082 | "filestore_max_inline_xattrs_other", | |
6083 | "filestore_max_xattr_value_size", | |
6084 | "filestore_max_xattr_value_size_xfs", | |
6085 | "filestore_max_xattr_value_size_btrfs", | |
6086 | "filestore_max_xattr_value_size_other", | |
6087 | "filestore_min_sync_interval", | |
6088 | "filestore_max_sync_interval", | |
6089 | "filestore_queue_max_ops", | |
6090 | "filestore_queue_max_bytes", | |
6091 | "filestore_expected_throughput_bytes", | |
6092 | "filestore_expected_throughput_ops", | |
6093 | "filestore_queue_low_threshhold", | |
6094 | "filestore_queue_high_threshhold", | |
6095 | "filestore_queue_high_delay_multiple", | |
6096 | "filestore_queue_max_delay_multiple", | |
6097 | "filestore_commit_timeout", | |
6098 | "filestore_dump_file", | |
6099 | "filestore_kill_at", | |
6100 | "filestore_fail_eio", | |
6101 | "filestore_fadvise", | |
6102 | "filestore_sloppy_crc", | |
6103 | "filestore_sloppy_crc_block_size", | |
6104 | "filestore_max_alloc_hint_size", | |
6105 | NULL | |
6106 | }; | |
6107 | return KEYS; | |
6108 | } | |
6109 | ||
11fdf7f2 | 6110 | void FileStore::handle_conf_change(const ConfigProxy& conf, |
7c673cae FG |
6111 | const std::set <std::string> &changed) |
6112 | { | |
6113 | if (changed.count("filestore_max_inline_xattr_size") || | |
6114 | changed.count("filestore_max_inline_xattr_size_xfs") || | |
6115 | changed.count("filestore_max_inline_xattr_size_btrfs") || | |
6116 | changed.count("filestore_max_inline_xattr_size_other") || | |
6117 | changed.count("filestore_max_inline_xattrs") || | |
6118 | changed.count("filestore_max_inline_xattrs_xfs") || | |
6119 | changed.count("filestore_max_inline_xattrs_btrfs") || | |
6120 | changed.count("filestore_max_inline_xattrs_other") || | |
6121 | changed.count("filestore_max_xattr_value_size") || | |
6122 | changed.count("filestore_max_xattr_value_size_xfs") || | |
6123 | changed.count("filestore_max_xattr_value_size_btrfs") || | |
6124 | changed.count("filestore_max_xattr_value_size_other")) { | |
6125 | if (backend) { | |
9f95a23c | 6126 | std::lock_guard l(lock); |
7c673cae FG |
6127 | set_xattr_limits_via_conf(); |
6128 | } | |
6129 | } | |
6130 | ||
6131 | if (changed.count("filestore_queue_max_bytes") || | |
6132 | changed.count("filestore_queue_max_ops") || | |
6133 | changed.count("filestore_expected_throughput_bytes") || | |
6134 | changed.count("filestore_expected_throughput_ops") || | |
6135 | changed.count("filestore_queue_low_threshhold") || | |
6136 | changed.count("filestore_queue_high_threshhold") || | |
6137 | changed.count("filestore_queue_high_delay_multiple") || | |
6138 | changed.count("filestore_queue_max_delay_multiple")) { | |
9f95a23c | 6139 | std::lock_guard l(lock); |
7c673cae FG |
6140 | set_throttle_params(); |
6141 | } | |
6142 | ||
6143 | if (changed.count("filestore_min_sync_interval") || | |
6144 | changed.count("filestore_max_sync_interval") || | |
6145 | changed.count("filestore_kill_at") || | |
6146 | changed.count("filestore_fail_eio") || | |
6147 | changed.count("filestore_sloppy_crc") || | |
6148 | changed.count("filestore_sloppy_crc_block_size") || | |
6149 | changed.count("filestore_max_alloc_hint_size") || | |
6150 | changed.count("filestore_fadvise")) { | |
9f95a23c | 6151 | std::lock_guard l(lock); |
7c673cae FG |
6152 | m_filestore_min_sync_interval = conf->filestore_min_sync_interval; |
6153 | m_filestore_max_sync_interval = conf->filestore_max_sync_interval; | |
31f18b77 | 6154 | m_filestore_kill_at = conf->filestore_kill_at; |
7c673cae FG |
6155 | m_filestore_fail_eio = conf->filestore_fail_eio; |
6156 | m_filestore_fadvise = conf->filestore_fadvise; | |
6157 | m_filestore_sloppy_crc = conf->filestore_sloppy_crc; | |
6158 | m_filestore_sloppy_crc_block_size = conf->filestore_sloppy_crc_block_size; | |
6159 | m_filestore_max_alloc_hint_size = conf->filestore_max_alloc_hint_size; | |
6160 | } | |
6161 | if (changed.count("filestore_commit_timeout")) { | |
9f95a23c | 6162 | std::lock_guard l(sync_entry_timeo_lock); |
7c673cae FG |
6163 | m_filestore_commit_timeout = conf->filestore_commit_timeout; |
6164 | } | |
6165 | if (changed.count("filestore_dump_file")) { | |
6166 | if (conf->filestore_dump_file.length() && | |
6167 | conf->filestore_dump_file != "-") { | |
6168 | dump_start(conf->filestore_dump_file); | |
6169 | } else { | |
6170 | dump_stop(); | |
6171 | } | |
6172 | } | |
6173 | } | |
6174 | ||
6175 | int FileStore::set_throttle_params() | |
6176 | { | |
6177 | stringstream ss; | |
6178 | bool valid = throttle_bytes.set_params( | |
6179 | cct->_conf->filestore_queue_low_threshhold, | |
6180 | cct->_conf->filestore_queue_high_threshhold, | |
6181 | cct->_conf->filestore_expected_throughput_bytes, | |
11fdf7f2 TL |
6182 | cct->_conf->filestore_queue_high_delay_multiple? |
6183 | cct->_conf->filestore_queue_high_delay_multiple: | |
6184 | cct->_conf->filestore_queue_high_delay_multiple_bytes, | |
6185 | cct->_conf->filestore_queue_max_delay_multiple? | |
6186 | cct->_conf->filestore_queue_max_delay_multiple: | |
6187 | cct->_conf->filestore_queue_max_delay_multiple_bytes, | |
7c673cae FG |
6188 | cct->_conf->filestore_queue_max_bytes, |
6189 | &ss); | |
6190 | ||
6191 | valid &= throttle_ops.set_params( | |
6192 | cct->_conf->filestore_queue_low_threshhold, | |
6193 | cct->_conf->filestore_queue_high_threshhold, | |
6194 | cct->_conf->filestore_expected_throughput_ops, | |
11fdf7f2 TL |
6195 | cct->_conf->filestore_queue_high_delay_multiple? |
6196 | cct->_conf->filestore_queue_high_delay_multiple: | |
6197 | cct->_conf->filestore_queue_high_delay_multiple_ops, | |
6198 | cct->_conf->filestore_queue_max_delay_multiple? | |
6199 | cct->_conf->filestore_queue_max_delay_multiple: | |
6200 | cct->_conf->filestore_queue_max_delay_multiple_ops, | |
7c673cae FG |
6201 | cct->_conf->filestore_queue_max_ops, |
6202 | &ss); | |
6203 | ||
6204 | logger->set(l_filestore_op_queue_max_ops, throttle_ops.get_max()); | |
6205 | logger->set(l_filestore_op_queue_max_bytes, throttle_bytes.get_max()); | |
6206 | ||
6207 | if (!valid) { | |
6208 | derr << "tried to set invalid params: " | |
6209 | << ss.str() | |
6210 | << dendl; | |
6211 | } | |
6212 | return valid ? 0 : -EINVAL; | |
6213 | } | |
6214 | ||
6215 | void FileStore::dump_start(const std::string& file) | |
6216 | { | |
31f18b77 | 6217 | dout(10) << __FUNC__ << ": " << file << dendl; |
7c673cae FG |
6218 | if (m_filestore_do_dump) { |
6219 | dump_stop(); | |
6220 | } | |
6221 | m_filestore_dump_fmt.reset(); | |
6222 | m_filestore_dump_fmt.open_array_section("dump"); | |
6223 | m_filestore_dump.open(file.c_str()); | |
6224 | m_filestore_do_dump = true; | |
6225 | } | |
6226 | ||
6227 | void FileStore::dump_stop() | |
6228 | { | |
31f18b77 | 6229 | dout(10) << __FUNC__ << dendl; |
7c673cae FG |
6230 | m_filestore_do_dump = false; |
6231 | if (m_filestore_dump.is_open()) { | |
6232 | m_filestore_dump_fmt.close_section(); | |
6233 | m_filestore_dump_fmt.flush(m_filestore_dump); | |
6234 | m_filestore_dump.flush(); | |
6235 | m_filestore_dump.close(); | |
6236 | } | |
6237 | } | |
6238 | ||
6239 | void FileStore::dump_transactions(vector<ObjectStore::Transaction>& ls, uint64_t seq, OpSequencer *osr) | |
6240 | { | |
6241 | m_filestore_dump_fmt.open_array_section("transactions"); | |
6242 | unsigned trans_num = 0; | |
6243 | for (vector<ObjectStore::Transaction>::iterator i = ls.begin(); i != ls.end(); ++i, ++trans_num) { | |
6244 | m_filestore_dump_fmt.open_object_section("transaction"); | |
11fdf7f2 | 6245 | m_filestore_dump_fmt.dump_stream("osr") << osr->cid; |
7c673cae FG |
6246 | m_filestore_dump_fmt.dump_unsigned("seq", seq); |
6247 | m_filestore_dump_fmt.dump_unsigned("trans_num", trans_num); | |
6248 | (*i).dump(&m_filestore_dump_fmt); | |
6249 | m_filestore_dump_fmt.close_section(); | |
6250 | } | |
6251 | m_filestore_dump_fmt.close_section(); | |
6252 | m_filestore_dump_fmt.flush(m_filestore_dump); | |
6253 | m_filestore_dump.flush(); | |
6254 | } | |
6255 | ||
11fdf7f2 TL |
6256 | void FileStore::get_db_statistics(Formatter* f) |
6257 | { | |
6258 | object_map->db->get_statistics(f); | |
6259 | } | |
6260 | ||
7c673cae FG |
6261 | void FileStore::set_xattr_limits_via_conf() |
6262 | { | |
6263 | uint32_t fs_xattr_size; | |
6264 | uint32_t fs_xattrs; | |
6265 | uint32_t fs_xattr_max_value_size; | |
6266 | ||
6267 | switch (m_fs_type) { | |
6268 | #if defined(__linux__) | |
6269 | case XFS_SUPER_MAGIC: | |
6270 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_xfs; | |
6271 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_xfs; | |
6272 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_xfs; | |
6273 | break; | |
6274 | case BTRFS_SUPER_MAGIC: | |
6275 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_btrfs; | |
6276 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_btrfs; | |
6277 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_btrfs; | |
6278 | break; | |
6279 | #endif | |
6280 | default: | |
6281 | fs_xattr_size = cct->_conf->filestore_max_inline_xattr_size_other; | |
6282 | fs_xattrs = cct->_conf->filestore_max_inline_xattrs_other; | |
6283 | fs_xattr_max_value_size = cct->_conf->filestore_max_xattr_value_size_other; | |
6284 | break; | |
6285 | } | |
6286 | ||
6287 | // Use override value if set | |
6288 | if (cct->_conf->filestore_max_inline_xattr_size) | |
6289 | m_filestore_max_inline_xattr_size = cct->_conf->filestore_max_inline_xattr_size; | |
6290 | else | |
6291 | m_filestore_max_inline_xattr_size = fs_xattr_size; | |
6292 | ||
6293 | // Use override value if set | |
6294 | if (cct->_conf->filestore_max_inline_xattrs) | |
6295 | m_filestore_max_inline_xattrs = cct->_conf->filestore_max_inline_xattrs; | |
6296 | else | |
6297 | m_filestore_max_inline_xattrs = fs_xattrs; | |
6298 | ||
6299 | // Use override value if set | |
6300 | if (cct->_conf->filestore_max_xattr_value_size) | |
6301 | m_filestore_max_xattr_value_size = cct->_conf->filestore_max_xattr_value_size; | |
6302 | else | |
6303 | m_filestore_max_xattr_value_size = fs_xattr_max_value_size; | |
6304 | ||
6305 | if (m_filestore_max_xattr_value_size < cct->_conf->osd_max_object_name_len) { | |
6306 | derr << "WARNING: max attr value size (" | |
6307 | << m_filestore_max_xattr_value_size | |
6308 | << ") is smaller than osd_max_object_name_len (" | |
6309 | << cct->_conf->osd_max_object_name_len | |
6310 | << "). Your backend filesystem appears to not support attrs large " | |
6311 | << "enough to handle the configured max rados name size. You may get " | |
6312 | << "unexpected ENAMETOOLONG errors on rados operations or buggy " | |
6313 | << "behavior" | |
6314 | << dendl; | |
6315 | } | |
6316 | } | |
6317 | ||
6318 | uint64_t FileStore::estimate_objects_overhead(uint64_t num_objects) | |
6319 | { | |
6320 | uint64_t res = num_objects * blk_size / 2; //assumes that each object uses ( in average ) additional 1/2 block due to FS allocation granularity. | |
6321 | return res; | |
6322 | } | |
6323 | ||
1adf2230 | 6324 | int FileStore::apply_layout_settings(const coll_t &cid, int target_level) |
7c673cae | 6325 | { |
1adf2230 AA |
6326 | dout(20) << __FUNC__ << ": " << cid << " target level: " |
6327 | << target_level << dendl; | |
7c673cae FG |
6328 | Index index; |
6329 | int r = get_index(cid, &index); | |
6330 | if (r < 0) { | |
6331 | dout(10) << "Error getting index for " << cid << ": " << cpp_strerror(r) | |
6332 | << dendl; | |
6333 | return r; | |
6334 | } | |
6335 | ||
1adf2230 | 6336 | return index->apply_layout_settings(target_level); |
7c673cae FG |
6337 | } |
6338 | ||
6339 | ||
6340 | // -- FSSuperblock -- | |
6341 | ||
6342 | void FSSuperblock::encode(bufferlist &bl) const | |
6343 | { | |
6344 | ENCODE_START(2, 1, bl); | |
6345 | compat_features.encode(bl); | |
11fdf7f2 | 6346 | encode(omap_backend, bl); |
7c673cae FG |
6347 | ENCODE_FINISH(bl); |
6348 | } | |
6349 | ||
11fdf7f2 | 6350 | void FSSuperblock::decode(bufferlist::const_iterator &bl) |
7c673cae FG |
6351 | { |
6352 | DECODE_START(2, bl); | |
6353 | compat_features.decode(bl); | |
6354 | if (struct_v >= 2) | |
11fdf7f2 | 6355 | decode(omap_backend, bl); |
7c673cae FG |
6356 | else |
6357 | omap_backend = "leveldb"; | |
6358 | DECODE_FINISH(bl); | |
6359 | } | |
6360 | ||
6361 | void FSSuperblock::dump(Formatter *f) const | |
6362 | { | |
6363 | f->open_object_section("compat"); | |
6364 | compat_features.dump(f); | |
6365 | f->dump_string("omap_backend", omap_backend); | |
6366 | f->close_section(); | |
6367 | } | |
6368 | ||
6369 | void FSSuperblock::generate_test_instances(list<FSSuperblock*>& o) | |
6370 | { | |
6371 | FSSuperblock z; | |
6372 | o.push_back(new FSSuperblock(z)); | |
6373 | CompatSet::FeatureSet feature_compat; | |
6374 | CompatSet::FeatureSet feature_ro_compat; | |
6375 | CompatSet::FeatureSet feature_incompat; | |
6376 | feature_incompat.insert(CEPH_FS_FEATURE_INCOMPAT_SHARDS); | |
6377 | z.compat_features = CompatSet(feature_compat, feature_ro_compat, | |
6378 | feature_incompat); | |
6379 | o.push_back(new FSSuperblock(z)); | |
6380 | z.omap_backend = "rocksdb"; | |
6381 | o.push_back(new FSSuperblock(z)); | |
6382 | } | |
11fdf7f2 TL |
6383 | |
6384 | #undef dout_prefix | |
6385 | #define dout_prefix *_dout << "filestore.osr(" << this << ") " | |
6386 | ||
6387 | void FileStore::OpSequencer::_register_apply(Op *o) | |
6388 | { | |
6389 | if (o->registered_apply) { | |
6390 | dout(20) << __func__ << " " << o << " already registered" << dendl; | |
6391 | return; | |
6392 | } | |
6393 | o->registered_apply = true; | |
6394 | for (auto& t : o->tls) { | |
6395 | for (auto& i : t.get_object_index()) { | |
6396 | uint32_t key = i.first.hobj.get_hash(); | |
6397 | applying.emplace(make_pair(key, &i.first)); | |
6398 | dout(20) << __func__ << " " << o << " " << i.first << " (" | |
6399 | << &i.first << ")" << dendl; | |
6400 | } | |
6401 | } | |
6402 | } | |
6403 | ||
6404 | void FileStore::OpSequencer::_unregister_apply(Op *o) | |
6405 | { | |
6406 | ceph_assert(o->registered_apply); | |
6407 | for (auto& t : o->tls) { | |
6408 | for (auto& i : t.get_object_index()) { | |
6409 | uint32_t key = i.first.hobj.get_hash(); | |
6410 | auto p = applying.find(key); | |
6411 | bool removed = false; | |
6412 | while (p != applying.end() && | |
6413 | p->first == key) { | |
6414 | if (p->second == &i.first) { | |
6415 | dout(20) << __func__ << " " << o << " " << i.first << " (" | |
6416 | << &i.first << ")" << dendl; | |
6417 | applying.erase(p); | |
6418 | removed = true; | |
6419 | break; | |
6420 | } | |
6421 | ++p; | |
6422 | } | |
6423 | ceph_assert(removed); | |
6424 | } | |
6425 | } | |
6426 | } | |
6427 | ||
6428 | void FileStore::OpSequencer::wait_for_apply(const ghobject_t& oid) | |
6429 | { | |
9f95a23c | 6430 | std::unique_lock l{qlock}; |
11fdf7f2 TL |
6431 | uint32_t key = oid.hobj.get_hash(); |
6432 | retry: | |
6433 | while (true) { | |
6434 | // search all items in hash slot for a matching object | |
6435 | auto p = applying.find(key); | |
6436 | while (p != applying.end() && | |
6437 | p->first == key) { | |
6438 | if (*p->second == oid) { | |
6439 | dout(20) << __func__ << " " << oid << " waiting on " << p->second | |
6440 | << dendl; | |
9f95a23c | 6441 | cond.wait(l); |
11fdf7f2 TL |
6442 | goto retry; |
6443 | } | |
6444 | ++p; | |
6445 | } | |
6446 | break; | |
6447 | } | |
6448 | dout(20) << __func__ << " " << oid << " done" << dendl; | |
6449 | } |