1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
15 #include "common/config.h"
16 #include "osdc/Journaler.h"
17 #include "events/ESubtreeMap.h"
18 #include "events/ESession.h"
19 #include "events/ESessions.h"
21 #include "events/EMetaBlob.h"
22 #include "events/EResetJournal.h"
23 #include "events/ENoOp.h"
25 #include "events/EUpdate.h"
26 #include "events/ESlaveUpdate.h"
27 #include "events/EOpen.h"
28 #include "events/ECommitted.h"
30 #include "events/EExport.h"
31 #include "events/EImportStart.h"
32 #include "events/EImportFinish.h"
33 #include "events/EFragment.h"
35 #include "events/ETableClient.h"
36 #include "events/ETableServer.h"
38 #include "include/stringify.h"
40 #include "LogSegment.h"
50 #include "MDSTableClient.h"
51 #include "MDSTableServer.h"
55 #define dout_context g_ceph_context
56 #define dout_subsys ceph_subsys_mds
58 #define dout_prefix *_dout << "mds." << mds->get_nodeid() << ".journal "
61 // -----------------------
64 void LogSegment::try_to_expire(MDSRank *mds, MDSGatherBuilder &gather_bld, int op_prio)
68 dout(6) << "LogSegment(" << seq << "/" << offset << ").try_to_expire" << dendl;
70 assert(g_conf->mds_kill_journal_expire_at != 1);
73 for (elist<CDir*>::iterator p = new_dirfrags.begin(); !p.end(); ++p) {
74 dout(20) << " new_dirfrag " << **p << dendl;
75 assert((*p)->is_auth());
78 for (elist<CDir*>::iterator p = dirty_dirfrags.begin(); !p.end(); ++p) {
79 dout(20) << " dirty_dirfrag " << **p << dendl;
80 assert((*p)->is_auth());
83 for (elist<CDentry*>::iterator p = dirty_dentries.begin(); !p.end(); ++p) {
84 dout(20) << " dirty_dentry " << **p << dendl;
85 assert((*p)->is_auth());
86 commit.insert((*p)->get_dir());
88 for (elist<CInode*>::iterator p = dirty_inodes.begin(); !p.end(); ++p) {
89 dout(20) << " dirty_inode " << **p << dendl;
90 assert((*p)->is_auth());
91 if ((*p)->is_base()) {
92 (*p)->store(gather_bld.new_sub());
94 commit.insert((*p)->get_parent_dn()->get_dir());
97 if (!commit.empty()) {
98 for (set<CDir*>::iterator p = commit.begin();
102 assert(dir->is_auth());
103 if (dir->can_auth_pin()) {
104 dout(15) << "try_to_expire committing " << *dir << dendl;
105 dir->commit(0, gather_bld.new_sub(), false, op_prio);
107 dout(15) << "try_to_expire waiting for unfreeze on " << *dir << dendl;
108 dir->add_waiter(CDir::WAIT_UNFREEZE, gather_bld.new_sub());
113 // master ops with possibly uncommitted slaves
114 for (set<metareqid_t>::iterator p = uncommitted_masters.begin();
115 p != uncommitted_masters.end();
117 dout(10) << "try_to_expire waiting for slaves to ack commit on " << *p << dendl;
118 mds->mdcache->wait_for_uncommitted_master(*p, gather_bld.new_sub());
121 // uncommitted fragments
122 for (set<dirfrag_t>::iterator p = uncommitted_fragments.begin();
123 p != uncommitted_fragments.end();
125 dout(10) << "try_to_expire waiting for uncommitted fragment " << *p << dendl;
126 mds->mdcache->wait_for_uncommitted_fragment(*p, gather_bld.new_sub());
129 // nudge scatterlocks
130 for (elist<CInode*>::iterator p = dirty_dirfrag_dir.begin(); !p.end(); ++p) {
132 dout(10) << "try_to_expire waiting for dirlock flush on " << *in << dendl;
133 mds->locker->scatter_nudge(&in->filelock, gather_bld.new_sub());
135 for (elist<CInode*>::iterator p = dirty_dirfrag_dirfragtree.begin(); !p.end(); ++p) {
137 dout(10) << "try_to_expire waiting for dirfragtreelock flush on " << *in << dendl;
138 mds->locker->scatter_nudge(&in->dirfragtreelock, gather_bld.new_sub());
140 for (elist<CInode*>::iterator p = dirty_dirfrag_nest.begin(); !p.end(); ++p) {
142 dout(10) << "try_to_expire waiting for nest flush on " << *in << dendl;
143 mds->locker->scatter_nudge(&in->nestlock, gather_bld.new_sub());
146 assert(g_conf->mds_kill_journal_expire_at != 2);
148 // open files and snap inodes
149 if (!open_files.empty()) {
150 assert(!mds->mdlog->is_capped()); // hmm FIXME
152 LogSegment *ls = mds->mdlog->get_current_segment();
154 elist<CInode*>::iterator p = open_files.begin(member_offset(CInode, item_open_file));
158 if (in->last == CEPH_NOSNAP && in->is_auth() &&
159 !in->is_ambiguous_auth() && in->is_any_caps()) {
160 if (in->is_any_caps_wanted()) {
161 dout(20) << "try_to_expire requeueing open file " << *in << dendl;
163 le = new EOpen(mds->mdlog);
164 mds->mdlog->start_entry(le);
166 le->add_clean_inode(in);
167 ls->open_files.push_back(&in->item_open_file);
169 // drop inodes that aren't wanted
170 dout(20) << "try_to_expire not requeueing and delisting unwanted file " << *in << dendl;
171 in->item_open_file.remove_myself();
173 } else if (in->last != CEPH_NOSNAP && !in->client_snap_caps.empty()) {
174 // journal snap inodes that need flush. This simplify the mds failover hanlding
175 dout(20) << "try_to_expire requeueing snap needflush inode " << *in << dendl;
177 le = new EOpen(mds->mdlog);
178 mds->mdlog->start_entry(le);
180 le->add_clean_inode(in);
181 ls->open_files.push_back(&in->item_open_file);
184 * we can get a capless inode here if we replay an open file, the client fails to
185 * reconnect it, but does REPLAY an open request (that adds it to the logseg). AFAICS
186 * it's ok for the client to replay an open on a file it doesn't have in it's cache
189 * this makes the mds less sensitive to strict open_file consistency, although it does
190 * make it easier to miss subtle problems.
192 dout(20) << "try_to_expire not requeueing and delisting capless file " << *in << dendl;
193 in->item_open_file.remove_myself();
197 mds->mdlog->submit_entry(le);
198 mds->mdlog->wait_for_safe(gather_bld.new_sub());
199 dout(10) << "try_to_expire waiting for open files to rejournal" << dendl;
203 assert(g_conf->mds_kill_journal_expire_at != 3);
205 // backtraces to be stored/updated
206 for (elist<CInode*>::iterator p = dirty_parent_inodes.begin(); !p.end(); ++p) {
208 assert(in->is_auth());
209 if (in->can_auth_pin()) {
210 dout(15) << "try_to_expire waiting for storing backtrace on " << *in << dendl;
211 in->store_backtrace(gather_bld.new_sub(), op_prio);
213 dout(15) << "try_to_expire waiting for unfreeze on " << *in << dendl;
214 in->add_waiter(CInode::WAIT_UNFREEZE, gather_bld.new_sub());
218 assert(g_conf->mds_kill_journal_expire_at != 4);
221 for (elist<MDSlaveUpdate*>::iterator p = slave_updates.begin(member_offset(MDSlaveUpdate,
224 MDSlaveUpdate *su = *p;
225 dout(10) << "try_to_expire waiting on slave update " << su << dendl;
226 assert(su->waiter == 0);
227 su->waiter = gather_bld.new_sub();
231 if (inotablev > mds->inotable->get_committed_version()) {
232 dout(10) << "try_to_expire saving inotable table, need " << inotablev
233 << ", committed is " << mds->inotable->get_committed_version()
234 << " (" << mds->inotable->get_committing_version() << ")"
236 mds->inotable->save(gather_bld.new_sub(), inotablev);
240 if (sessionmapv > mds->sessionmap.get_committed()) {
241 dout(10) << "try_to_expire saving sessionmap, need " << sessionmapv
242 << ", committed is " << mds->sessionmap.get_committed()
243 << " (" << mds->sessionmap.get_committing() << ")"
245 mds->sessionmap.save(gather_bld.new_sub(), sessionmapv);
248 // updates to sessions for completed_requests
249 mds->sessionmap.save_if_dirty(touched_sessions, &gather_bld);
250 touched_sessions.clear();
252 // pending commit atids
253 for (map<int, ceph::unordered_set<version_t> >::iterator p = pending_commit_tids.begin();
254 p != pending_commit_tids.end();
256 MDSTableClient *client = mds->get_table_client(p->first);
258 for (ceph::unordered_set<version_t>::iterator q = p->second.begin();
259 q != p->second.end();
261 dout(10) << "try_to_expire " << get_mdstable_name(p->first) << " transaction " << *q
262 << " pending commit (not yet acked), waiting" << dendl;
263 assert(!client->has_committed(*q));
264 client->wait_for_ack(*q, gather_bld.new_sub());
269 for (map<int, version_t>::iterator p = tablev.begin();
272 MDSTableServer *server = mds->get_table_server(p->first);
274 if (p->second > server->get_committed_version()) {
275 dout(10) << "try_to_expire waiting for " << get_mdstable_name(p->first)
276 << " to save, need " << p->second << dendl;
277 server->save(gather_bld.new_sub());
282 for (set<CInode*>::iterator p = truncating_inodes.begin();
283 p != truncating_inodes.end();
285 dout(10) << "try_to_expire waiting for truncate of " << **p << dendl;
286 (*p)->add_waiter(CInode::WAIT_TRUNC, gather_bld.new_sub());
289 if (gather_bld.has_subs()) {
290 dout(6) << "LogSegment(" << seq << "/" << offset << ").try_to_expire waiting" << dendl;
293 assert(g_conf->mds_kill_journal_expire_at != 5);
294 dout(6) << "LogSegment(" << seq << "/" << offset << ").try_to_expire success" << dendl;
299 // -----------------------
302 EMetaBlob::EMetaBlob(MDLog *mdlog) : opened_ino(0), renamed_dirino(0),
303 inotablev(0), sessionmapv(0), allocated_ino(0),
304 last_subtree_map(0), event_seq(0)
307 void EMetaBlob::add_dir_context(CDir *dir, int mode)
309 MDSRank *mds = dir->cache->mds;
311 list<CDentry*> parents;
313 // it may be okay not to include the maybe items, if
314 // - we journaled the maybe child inode in this segment
315 // - that subtree turns out to be unambiguously auth
316 list<CDentry*> maybe;
317 bool maybenot = false;
320 // already have this dir? (we must always add in order)
321 if (lump_map.count(dir->dirfrag())) {
322 dout(20) << "EMetaBlob::add_dir_context(" << dir << ") have lump " << dir->dirfrag() << dendl;
326 // stop at root/stray
327 CInode *diri = dir->get_inode();
328 CDentry *parent = diri->get_projected_parent_dn();
330 if (mode == TO_AUTH_SUBTREE_ROOT) {
332 if (dir->is_subtree_root()) {
333 // match logic in MDCache::create_subtree_map()
334 if (dir->get_dir_auth().first == mds->get_nodeid()) {
335 mds_authority_t parent_auth = parent ? parent->authority() : CDIR_AUTH_UNDEF;
336 if (parent_auth.first == dir->get_dir_auth().first) {
337 if (parent_auth.second == CDIR_AUTH_UNKNOWN &&
338 !dir->is_ambiguous_dir_auth() &&
339 !dir->state_test(CDir::STATE_EXPORTBOUND) &&
340 !dir->state_test(CDir::STATE_AUXSUBTREE) &&
341 !diri->state_test(CInode::STATE_AMBIGUOUSAUTH)) {
342 dout(0) << "EMetaBlob::add_dir_context unexpected subtree " << *dir << dendl;
345 dout(20) << "EMetaBlob::add_dir_context(" << dir << ") ambiguous or transient subtree " << dendl;
347 // it's an auth subtree, we don't need maybe (if any), and we're done.
348 dout(20) << "EMetaBlob::add_dir_context(" << dir << ") reached unambig auth subtree, don't need " << maybe
349 << " at " << *dir << dendl;
354 dout(20) << "EMetaBlob::add_dir_context(" << dir << ") reached ambig or !auth subtree, need " << maybe
355 << " at " << *dir << dendl;
356 // we need the maybe list after all!
357 parents.splice(parents.begin(), maybe);
362 // was the inode journaled in this blob?
363 if (event_seq && diri->last_journaled == event_seq) {
364 dout(20) << "EMetaBlob::add_dir_context(" << dir << ") already have diri this blob " << *diri << dendl;
368 // have we journaled this inode since the last subtree map?
369 if (!maybenot && last_subtree_map && diri->last_journaled >= last_subtree_map) {
370 dout(20) << "EMetaBlob::add_dir_context(" << dir << ") already have diri in this segment ("
371 << diri->last_journaled << " >= " << last_subtree_map << "), setting maybenot flag "
381 dout(25) << "EMetaBlob::add_dir_context(" << dir << ") maybe " << *parent << dendl;
382 maybe.push_front(parent);
384 dout(25) << "EMetaBlob::add_dir_context(" << dir << ") definitely " << *parent << dendl;
385 parents.push_front(parent);
388 dir = parent->get_dir();
391 parents.splice(parents.begin(), maybe);
393 dout(20) << "EMetaBlob::add_dir_context final: " << parents << dendl;
394 for (list<CDentry*>::iterator p = parents.begin(); p != parents.end(); ++p) {
395 assert((*p)->get_projected_linkage()->is_primary());
396 add_dentry(*p, false);
400 void EMetaBlob::update_segment(LogSegment *ls)
402 // dirty inode mtimes
403 // -> handled directly by Server.cc, replay()
405 // alloc table update?
407 ls->inotablev = inotablev;
409 ls->sessionmapv = sessionmapv;
412 // -> handled directly by Server.cc
415 // note the newest request per client
416 //if (!client_reqs.empty())
417 // ls->last_client_tid[client_reqs.rbegin()->client] = client_reqs.rbegin()->tid);
420 // EMetaBlob::fullbit
422 void EMetaBlob::fullbit::encode(bufferlist& bl, uint64_t features) const {
423 ENCODE_START(8, 5, bl);
425 ::encode(dnfirst, bl);
426 ::encode(dnlast, bl);
428 ::encode(inode, bl, features);
429 ::encode(xattrs, bl);
430 if (inode.is_symlink())
431 ::encode(symlink, bl);
432 if (inode.is_dir()) {
433 ::encode(dirfragtree, bl);
434 ::encode(snapbl, bl);
437 if (old_inodes.empty()) {
441 ::encode(old_inodes, bl, features);
444 ::encode(snapbl, bl);
445 ::encode(oldest_snap, bl);
449 void EMetaBlob::fullbit::decode(bufferlist::iterator &bl) {
450 DECODE_START_LEGACY_COMPAT_LEN(7, 5, 5, bl);
452 ::decode(dnfirst, bl);
453 ::decode(dnlast, bl);
456 ::decode(xattrs, bl);
457 if (inode.is_symlink())
458 ::decode(symlink, bl);
459 if (inode.is_dir()) {
460 ::decode(dirfragtree, bl);
461 ::decode(snapbl, bl);
462 if ((struct_v == 2) || (struct_v == 3)) {
463 bool dir_layout_exists;
464 ::decode(dir_layout_exists, bl);
465 if (dir_layout_exists) {
467 ::decode(dir_struct_v, bl); // default_file_layout version
468 ::decode(inode.layout, bl); // and actual layout, that we care about
477 state = dirty ? EMetaBlob::fullbit::STATE_DIRTY : 0;
481 bool old_inodes_present;
482 ::decode(old_inodes_present, bl);
483 if (old_inodes_present) {
484 ::decode(old_inodes, bl);
487 if (!inode.is_dir()) {
489 ::decode(snapbl, bl);
492 ::decode(oldest_snap, bl);
494 oldest_snap = CEPH_NOSNAP;
499 void EMetaBlob::fullbit::dump(Formatter *f) const
501 f->dump_string("dentry", dn);
502 f->dump_stream("snapid.first") << dnfirst;
503 f->dump_stream("snapid.last") << dnlast;
504 f->dump_int("dentry version", dnv);
505 f->open_object_section("inode");
507 f->close_section(); // inode
508 f->open_object_section("xattrs");
509 for (map<string, bufferptr>::const_iterator iter = xattrs.begin();
510 iter != xattrs.end(); ++iter) {
511 string s(iter->second.c_str(), iter->second.length());
512 f->dump_string(iter->first.c_str(), s);
514 f->close_section(); // xattrs
515 if (inode.is_symlink()) {
516 f->dump_string("symlink", symlink);
518 if (inode.is_dir()) {
519 f->dump_stream("frag tree") << dirfragtree;
520 f->dump_string("has_snapbl", snapbl.length() ? "true" : "false");
521 if (inode.has_layout()) {
522 f->open_object_section("file layout policy");
524 f->dump_string("layout", "the layout exists");
525 f->close_section(); // file layout policy
528 f->dump_string("state", state_string());
529 if (!old_inodes.empty()) {
530 f->open_array_section("old inodes");
531 for (old_inodes_t::const_iterator iter = old_inodes.begin();
532 iter != old_inodes.end();
534 f->open_object_section("inode");
535 f->dump_int("snapid", iter->first);
536 iter->second.dump(f);
537 f->close_section(); // inode
539 f->close_section(); // old inodes
543 void EMetaBlob::fullbit::generate_test_instances(list<EMetaBlob::fullbit*>& ls)
547 map<string,bufferptr> empty_xattrs;
548 bufferlist empty_snapbl;
549 fullbit *sample = new fullbit("/testdn", 0, 0, 0,
550 inode, fragtree, empty_xattrs, "", 0, empty_snapbl,
552 ls.push_back(sample);
555 void EMetaBlob::fullbit::update_inode(MDSRank *mds, CInode *in)
559 in->maybe_export_pin();
560 if (in->inode.is_dir()) {
561 if (!(in->dirfragtree == dirfragtree)) {
562 dout(10) << "EMetaBlob::fullbit::update_inode dft " << in->dirfragtree << " -> "
563 << dirfragtree << " on " << *in << dendl;
564 in->dirfragtree = dirfragtree;
565 in->force_dirfrags();
566 if (in->has_dirfrags() && in->authority() == CDIR_AUTH_UNDEF) {
568 in->get_nested_dirfrags(ls);
569 for (list<CDir*>::iterator p = ls.begin(); p != ls.end(); ++p) {
571 if (dir->get_num_any() == 0 &&
572 mds->mdcache->can_trim_non_auth_dirfrag(dir)) {
573 dout(10) << " closing empty non-auth dirfrag " << *dir << dendl;
574 in->close_dirfrag(dir->get_frag());
579 } else if (in->inode.is_symlink()) {
580 in->symlink = symlink;
582 in->old_inodes = old_inodes;
583 if (!in->old_inodes.empty()) {
584 snapid_t min_first = in->old_inodes.rbegin()->first + 1;
585 if (min_first > in->first)
586 in->first = min_first;
590 * we can do this before linking hte inode bc the split_at would
591 * be a no-op.. we have no children (namely open snaprealms) to
594 in->oldest_snap = oldest_snap;
595 in->decode_snap_blob(snapbl);
598 * In case there was anything malformed in the journal that we are
599 * replaying, do sanity checks on the inodes we're replaying and
600 * go damaged instead of letting any trash into a live cache
603 // Files must have valid layouts with a pool set
604 if (in->inode.layout.pool_id == -1 || !in->inode.layout.is_valid()) {
605 dout(0) << "EMetaBlob.replay invalid layout on ino " << *in
606 << ": " << in->inode.layout << dendl;
607 std::ostringstream oss;
608 oss << "Invalid layout for inode 0x" << std::hex << in->inode.ino
609 << std::dec << " in journal";
610 mds->clog->error() << oss.str();
612 ceph_abort(); // Should be unreachable because damaged() calls respawn()
617 // EMetaBlob::remotebit
619 void EMetaBlob::remotebit::encode(bufferlist& bl) const
621 ENCODE_START(2, 2, bl);
623 ::encode(dnfirst, bl);
624 ::encode(dnlast, bl);
627 ::encode(d_type, bl);
632 void EMetaBlob::remotebit::decode(bufferlist::iterator &bl)
634 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
636 ::decode(dnfirst, bl);
637 ::decode(dnlast, bl);
640 ::decode(d_type, bl);
645 void EMetaBlob::remotebit::dump(Formatter *f) const
647 f->dump_string("dentry", dn);
648 f->dump_int("snapid.first", dnfirst);
649 f->dump_int("snapid.last", dnlast);
650 f->dump_int("dentry version", dnv);
651 f->dump_int("inodeno", ino);
652 uint32_t type = DTTOIF(d_type) & S_IFMT; // convert to type entries
656 type_string = "file"; break;
658 type_string = "symlink"; break;
660 type_string = "directory"; break;
662 type_string = "fifo"; break;
664 type_string = "chr"; break;
666 type_string = "blk"; break;
668 type_string = "sock"; break;
670 assert (0 == "unknown d_type!");
672 f->dump_string("d_type", type_string);
673 f->dump_string("dirty", dirty ? "true" : "false");
676 void EMetaBlob::remotebit::
677 generate_test_instances(list<EMetaBlob::remotebit*>& ls)
679 remotebit *remote = new remotebit("/test/dn", 0, 10, 15, 1, IFTODT(S_IFREG), false);
680 ls.push_back(remote);
683 // EMetaBlob::nullbit
685 void EMetaBlob::nullbit::encode(bufferlist& bl) const
687 ENCODE_START(2, 2, bl);
689 ::encode(dnfirst, bl);
690 ::encode(dnlast, bl);
696 void EMetaBlob::nullbit::decode(bufferlist::iterator &bl)
698 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
700 ::decode(dnfirst, bl);
701 ::decode(dnlast, bl);
707 void EMetaBlob::nullbit::dump(Formatter *f) const
709 f->dump_string("dentry", dn);
710 f->dump_int("snapid.first", dnfirst);
711 f->dump_int("snapid.last", dnlast);
712 f->dump_int("dentry version", dnv);
713 f->dump_string("dirty", dirty ? "true" : "false");
716 void EMetaBlob::nullbit::generate_test_instances(list<nullbit*>& ls)
718 nullbit *sample = new nullbit("/test/dentry", 0, 10, 15, false);
719 nullbit *sample2 = new nullbit("/test/dirty", 10, 20, 25, true);
720 ls.push_back(sample);
721 ls.push_back(sample2);
724 // EMetaBlob::dirlump
726 void EMetaBlob::dirlump::encode(bufferlist& bl, uint64_t features) const
728 ENCODE_START(2, 2, bl);
732 ::encode(nremote, bl);
734 _encode_bits(features);
739 void EMetaBlob::dirlump::decode(bufferlist::iterator &bl)
741 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl)
745 ::decode(nremote, bl);
748 dn_decoded = false; // don't decode bits unless we need them.
752 void EMetaBlob::dirlump::dump(Formatter *f) const
755 dirlump *me = const_cast<dirlump*>(this);
758 f->open_object_section("fnode");
760 f->close_section(); // fnode
761 f->dump_string("state", state_string());
762 f->dump_int("nfull", nfull);
763 f->dump_int("nremote", nremote);
764 f->dump_int("nnull", nnull);
766 f->open_array_section("full bits");
767 for (list<ceph::shared_ptr<fullbit> >::const_iterator
768 iter = dfull.begin(); iter != dfull.end(); ++iter) {
769 f->open_object_section("fullbit");
771 f->close_section(); // fullbit
773 f->close_section(); // full bits
774 f->open_array_section("remote bits");
775 for (list<remotebit>::const_iterator
776 iter = dremote.begin(); iter != dremote.end(); ++iter) {
777 f->open_object_section("remotebit");
779 f->close_section(); // remotebit
781 f->close_section(); // remote bits
782 f->open_array_section("null bits");
783 for (list<nullbit>::const_iterator
784 iter = dnull.begin(); iter != dnull.end(); ++iter) {
785 f->open_object_section("null bit");
787 f->close_section(); // null bit
789 f->close_section(); // null bits
792 void EMetaBlob::dirlump::generate_test_instances(list<dirlump*>& ls)
794 ls.push_back(new dirlump());
800 void EMetaBlob::encode(bufferlist& bl, uint64_t features) const
802 ENCODE_START(8, 5, bl);
803 ::encode(lump_order, bl);
804 ::encode(lump_map, bl, features);
805 ::encode(roots, bl, features);
806 ::encode(table_tids, bl);
807 ::encode(opened_ino, bl);
808 ::encode(allocated_ino, bl);
809 ::encode(used_preallocated_ino, bl);
810 ::encode(preallocated_inos, bl);
811 ::encode(client_name, bl);
812 ::encode(inotablev, bl);
813 ::encode(sessionmapv, bl);
814 ::encode(truncate_start, bl);
815 ::encode(truncate_finish, bl);
816 ::encode(destroyed_inodes, bl);
817 ::encode(client_reqs, bl);
818 ::encode(renamed_dirino, bl);
819 ::encode(renamed_dir_frags, bl);
821 // make MDSRank use v6 format happy
827 ::encode(client_flushes, bl);
830 void EMetaBlob::decode(bufferlist::iterator &bl)
832 DECODE_START_LEGACY_COMPAT_LEN(7, 5, 5, bl);
833 ::decode(lump_order, bl);
834 ::decode(lump_map, bl);
839 ::decode(rootbl, bl);
840 if (rootbl.length()) {
841 bufferlist::iterator p = rootbl.begin();
842 roots.push_back(ceph::shared_ptr<fullbit>(new fullbit(p)));
845 ::decode(table_tids, bl);
846 ::decode(opened_ino, bl);
847 ::decode(allocated_ino, bl);
848 ::decode(used_preallocated_ino, bl);
849 ::decode(preallocated_inos, bl);
850 ::decode(client_name, bl);
851 ::decode(inotablev, bl);
852 ::decode(sessionmapv, bl);
853 ::decode(truncate_start, bl);
854 ::decode(truncate_finish, bl);
855 ::decode(destroyed_inodes, bl);
857 ::decode(client_reqs, bl);
862 client_reqs.push_back(pair<metareqid_t,uint64_t>(r.front(), 0));
867 ::decode(renamed_dirino, bl);
868 ::decode(renamed_dir_frags, bl);
878 ::decode(client_flushes, bl);
885 * Get all inodes touched by this metablob. Includes the 'bits' within
886 * dirlumps, and the inodes of the dirs themselves.
888 void EMetaBlob::get_inodes(
889 std::set<inodeno_t> &inodes) const
891 // For all dirlumps in this metablob
892 for (std::map<dirfrag_t, dirlump>::const_iterator i = lump_map.begin(); i != lump_map.end(); ++i) {
893 // Record inode of dirlump
894 inodeno_t const dir_ino = i->first.ino;
895 inodes.insert(dir_ino);
897 // Decode dirlump bits
898 dirlump const &dl = i->second;
901 // Record inodes of fullbits
902 list<ceph::shared_ptr<fullbit> > const &fb_list = dl.get_dfull();
903 for (list<ceph::shared_ptr<fullbit> >::const_iterator
904 iter = fb_list.begin(); iter != fb_list.end(); ++iter) {
905 inodes.insert((*iter)->inode.ino);
908 // Record inodes of remotebits
909 list<remotebit> const &rb_list = dl.get_dremote();
910 for (list<remotebit>::const_iterator
911 iter = rb_list.begin(); iter != rb_list.end(); ++iter) {
912 inodes.insert(iter->ino);
919 * Get a map of dirfrag to set of dentries in that dirfrag which are
920 * touched in this operation.
922 void EMetaBlob::get_dentries(std::map<dirfrag_t, std::set<std::string> > &dentries) const
924 for (std::map<dirfrag_t, dirlump>::const_iterator i = lump_map.begin(); i != lump_map.end(); ++i) {
925 dirlump const &dl = i->second;
926 dirfrag_t const &df = i->first;
930 list<ceph::shared_ptr<fullbit> > const &fb_list = dl.get_dfull();
931 list<nullbit> const &nb_list = dl.get_dnull();
932 list<remotebit> const &rb_list = dl.get_dremote();
934 // For all bits, store dentry
935 for (list<ceph::shared_ptr<fullbit> >::const_iterator
936 iter = fb_list.begin(); iter != fb_list.end(); ++iter) {
937 dentries[df].insert((*iter)->dn);
940 for (list<nullbit>::const_iterator
941 iter = nb_list.begin(); iter != nb_list.end(); ++iter) {
942 dentries[df].insert(iter->dn);
944 for (list<remotebit>::const_iterator
945 iter = rb_list.begin(); iter != rb_list.end(); ++iter) {
946 dentries[df].insert(iter->dn);
954 * Calculate all paths that we can infer are touched by this metablob. Only uses
955 * information local to this metablob so it may only be the path within the
958 void EMetaBlob::get_paths(
959 std::vector<std::string> &paths) const
961 // Each dentry has a 'location' which is a 2-tuple of parent inode and dentry name
962 typedef std::pair<inodeno_t, std::string> Location;
964 // Whenever we see a dentry within a dirlump, we remember it as a child of
965 // the dirlump's inode
966 std::map<inodeno_t, std::list<std::string> > children;
968 // Whenever we see a location for an inode, remember it: this allows us to
969 // build a path given an inode
970 std::map<inodeno_t, Location> ino_locations;
972 // Special case: operations on root inode populate roots but not dirlumps
973 if (lump_map.empty() && !roots.empty()) {
974 paths.push_back("/");
980 // Build a tiny local metadata cache for the path structure in this metablob
981 for (std::map<dirfrag_t, dirlump>::const_iterator i = lump_map.begin(); i != lump_map.end(); ++i) {
982 inodeno_t const dir_ino = i->first.ino;
983 dirlump const &dl = i->second;
986 list<ceph::shared_ptr<fullbit> > const &fb_list = dl.get_dfull();
987 list<nullbit> const &nb_list = dl.get_dnull();
988 list<remotebit> const &rb_list = dl.get_dremote();
990 for (list<ceph::shared_ptr<fullbit> >::const_iterator
991 iter = fb_list.begin(); iter != fb_list.end(); ++iter) {
992 std::string const &dentry = (*iter)->dn;
993 children[dir_ino].push_back(dentry);
994 ino_locations[(*iter)->inode.ino] = Location(dir_ino, dentry);
997 for (list<nullbit>::const_iterator
998 iter = nb_list.begin(); iter != nb_list.end(); ++iter) {
999 std::string const &dentry = iter->dn;
1000 children[dir_ino].push_back(dentry);
1003 for (list<remotebit>::const_iterator
1004 iter = rb_list.begin(); iter != rb_list.end(); ++iter) {
1005 std::string const &dentry = iter->dn;
1006 children[dir_ino].push_back(dentry);
1010 std::vector<Location> leaf_locations;
1014 // Output paths for all childless nodes in the metablob
1015 for (std::map<dirfrag_t, dirlump>::const_iterator i = lump_map.begin(); i != lump_map.end(); ++i) {
1016 inodeno_t const dir_ino = i->first.ino;
1017 dirlump const &dl = i->second;
1020 list<ceph::shared_ptr<fullbit> > const &fb_list = dl.get_dfull();
1021 for (list<ceph::shared_ptr<fullbit> >::const_iterator
1022 iter = fb_list.begin(); iter != fb_list.end(); ++iter) {
1023 std::string const &dentry = (*iter)->dn;
1024 children[dir_ino].push_back(dentry);
1025 ino_locations[(*iter)->inode.ino] = Location(dir_ino, dentry);
1026 if (children.find((*iter)->inode.ino) == children.end()) {
1027 leaf_locations.push_back(Location(dir_ino, dentry));
1032 list<nullbit> const &nb_list = dl.get_dnull();
1033 for (list<nullbit>::const_iterator
1034 iter = nb_list.begin(); iter != nb_list.end(); ++iter) {
1035 std::string const &dentry = iter->dn;
1036 leaf_locations.push_back(Location(dir_ino, dentry));
1039 list<remotebit> const &rb_list = dl.get_dremote();
1040 for (list<remotebit>::const_iterator
1041 iter = rb_list.begin(); iter != rb_list.end(); ++iter) {
1042 std::string const &dentry = iter->dn;
1043 leaf_locations.push_back(Location(dir_ino, dentry));
1047 // For all the leaf locations identified, generate paths
1048 for (std::vector<Location>::iterator i = leaf_locations.begin(); i != leaf_locations.end(); ++i) {
1049 Location const &loc = *i;
1050 std::string path = loc.second;
1051 inodeno_t ino = loc.first;
1052 while(ino_locations.find(ino) != ino_locations.end()) {
1053 Location const &loc = ino_locations[ino];
1054 if (!path.empty()) {
1055 path = loc.second + "/" + path;
1057 path = loc.second + path;
1062 paths.push_back(path);
1067 void EMetaBlob::dump(Formatter *f) const
1069 f->open_array_section("lumps");
1070 for (list<dirfrag_t>::const_iterator i = lump_order.begin();
1071 i != lump_order.end(); ++i) {
1072 f->open_object_section("lump");
1073 f->open_object_section("dirfrag");
1074 f->dump_stream("dirfrag") << *i;
1075 f->close_section(); // dirfrag
1076 f->open_object_section("dirlump");
1077 lump_map.at(*i).dump(f);
1078 f->close_section(); // dirlump
1079 f->close_section(); // lump
1081 f->close_section(); // lumps
1083 f->open_array_section("roots");
1084 for (list<ceph::shared_ptr<fullbit> >::const_iterator i = roots.begin();
1085 i != roots.end(); ++i) {
1086 f->open_object_section("root");
1088 f->close_section(); // root
1090 f->close_section(); // roots
1092 f->open_array_section("tableclient tranactions");
1093 for (list<pair<__u8,version_t> >::const_iterator i = table_tids.begin();
1094 i != table_tids.end(); ++i) {
1095 f->open_object_section("transaction");
1096 f->dump_int("tid", i->first);
1097 f->dump_int("version", i->second);
1098 f->close_section(); // transaction
1100 f->close_section(); // tableclient transactions
1102 f->dump_int("renamed directory inodeno", renamed_dirino);
1104 f->open_array_section("renamed directory fragments");
1105 for (list<frag_t>::const_iterator i = renamed_dir_frags.begin();
1106 i != renamed_dir_frags.end(); ++i) {
1107 f->dump_int("frag", *i);
1109 f->close_section(); // renamed directory fragments
1111 f->dump_int("inotable version", inotablev);
1112 f->dump_int("SessionMap version", sessionmapv);
1113 f->dump_int("allocated ino", allocated_ino);
1115 f->dump_stream("preallocated inos") << preallocated_inos;
1116 f->dump_int("used preallocated ino", used_preallocated_ino);
1118 f->open_object_section("client name");
1119 client_name.dump(f);
1120 f->close_section(); // client name
1122 f->open_array_section("inodes starting a truncate");
1123 for(list<inodeno_t>::const_iterator i = truncate_start.begin();
1124 i != truncate_start.end(); ++i) {
1125 f->dump_int("inodeno", *i);
1127 f->close_section(); // truncate inodes
1128 f->open_array_section("inodes finishing a truncated");
1129 for(map<inodeno_t,uint64_t>::const_iterator i = truncate_finish.begin();
1130 i != truncate_finish.end(); ++i) {
1131 f->open_object_section("inode+segment");
1132 f->dump_int("inodeno", i->first);
1133 f->dump_int("truncate starting segment", i->second);
1134 f->close_section(); // truncated inode
1136 f->close_section(); // truncate finish inodes
1138 f->open_array_section("destroyed inodes");
1139 for(vector<inodeno_t>::const_iterator i = destroyed_inodes.begin();
1140 i != destroyed_inodes.end(); ++i) {
1141 f->dump_int("inodeno", *i);
1143 f->close_section(); // destroyed inodes
1145 f->open_array_section("client requests");
1146 for(list<pair<metareqid_t,uint64_t> >::const_iterator i = client_reqs.begin();
1147 i != client_reqs.end(); ++i) {
1148 f->open_object_section("Client request");
1149 f->dump_stream("request ID") << i->first;
1150 f->dump_int("oldest request on client", i->second);
1151 f->close_section(); // request
1153 f->close_section(); // client requests
1156 void EMetaBlob::generate_test_instances(list<EMetaBlob*>& ls)
1158 ls.push_back(new EMetaBlob());
1161 void EMetaBlob::replay(MDSRank *mds, LogSegment *logseg, MDSlaveUpdate *slaveup)
1163 dout(10) << "EMetaBlob.replay " << lump_map.size() << " dirlumps by " << client_name << dendl;
1167 assert(g_conf->mds_kill_journal_replay_at != 1);
1169 for (list<ceph::shared_ptr<fullbit> >::iterator p = roots.begin(); p != roots.end(); ++p) {
1170 CInode *in = mds->mdcache->get_inode((*p)->inode.ino);
1171 bool isnew = in ? false:true;
1173 in = new CInode(mds->mdcache, false);
1174 (*p)->update_inode(mds, in);
1177 mds->mdcache->add_inode(in);
1178 if ((*p)->is_dirty()) in->_mark_dirty(logseg);
1179 dout(10) << "EMetaBlob.replay " << (isnew ? " added root ":" updated root ") << *in << dendl;
1182 CInode *renamed_diri = 0;
1184 if (renamed_dirino) {
1185 renamed_diri = mds->mdcache->get_inode(renamed_dirino);
1187 dout(10) << "EMetaBlob.replay renamed inode is " << *renamed_diri << dendl;
1189 dout(10) << "EMetaBlob.replay don't have renamed ino " << renamed_dirino << dendl;
1192 for (list<dirfrag_t>::iterator lp = lump_order.begin(); lp != lump_order.end(); ++lp) {
1193 dirlump &lump = lump_map[*lp];
1195 dout(10) << "EMetaBlob.replay found null dentry in dir " << *lp << dendl;
1196 nnull += lump.nnull;
1202 // keep track of any inodes we unlink and don't relink elsewhere
1203 map<CInode*, CDir*> unlinked;
1204 set<CInode*> linked;
1206 // walk through my dirs (in order!)
1207 for (list<dirfrag_t>::iterator lp = lump_order.begin();
1208 lp != lump_order.end();
1210 dout(10) << "EMetaBlob.replay dir " << *lp << dendl;
1211 dirlump &lump = lump_map[*lp];
1214 CDir *dir = mds->mdcache->get_force_dirfrag(*lp, true);
1216 // hmm. do i have the inode?
1217 CInode *diri = mds->mdcache->get_inode((*lp).ino);
1219 if (MDS_INO_IS_MDSDIR(lp->ino)) {
1220 assert(MDS_INO_MDSDIR(mds->get_nodeid()) != lp->ino);
1221 diri = mds->mdcache->create_system_inode(lp->ino, S_IFDIR|0755);
1222 diri->state_clear(CInode::STATE_AUTH);
1223 dout(10) << "EMetaBlob.replay created base " << *diri << dendl;
1225 dout(0) << "EMetaBlob.replay missing dir ino " << (*lp).ino << dendl;
1226 mds->clog->error() << "failure replaying journal (EMetaBlob)";
1228 ceph_abort(); // Should be unreachable because damaged() calls respawn()
1232 // create the dirfrag
1233 dir = diri->get_or_open_dirfrag(mds->mdcache, (*lp).frag);
1235 if (MDS_INO_IS_BASE(lp->ino))
1236 mds->mdcache->adjust_subtree_auth(dir, CDIR_AUTH_UNDEF);
1238 dout(10) << "EMetaBlob.replay added dir " << *dir << dendl;
1240 dir->set_version( lump.fnode.version );
1241 dir->fnode = lump.fnode;
1243 if (lump.is_importing()) {
1244 dir->state_set(CDir::STATE_AUTH);
1245 dir->state_clear(CDir::STATE_COMPLETE);
1247 if (lump.is_dirty()) {
1248 dir->_mark_dirty(logseg);
1250 if (!(dir->fnode.rstat == dir->fnode.accounted_rstat)) {
1251 dout(10) << "EMetaBlob.replay dirty nestinfo on " << *dir << dendl;
1252 mds->locker->mark_updated_scatterlock(&dir->inode->nestlock);
1253 logseg->dirty_dirfrag_nest.push_back(&dir->inode->item_dirty_dirfrag_nest);
1255 dout(10) << "EMetaBlob.replay clean nestinfo on " << *dir << dendl;
1257 if (!(dir->fnode.fragstat == dir->fnode.accounted_fragstat)) {
1258 dout(10) << "EMetaBlob.replay dirty fragstat on " << *dir << dendl;
1259 mds->locker->mark_updated_scatterlock(&dir->inode->filelock);
1260 logseg->dirty_dirfrag_dir.push_back(&dir->inode->item_dirty_dirfrag_dir);
1262 dout(10) << "EMetaBlob.replay clean fragstat on " << *dir << dendl;
1265 if (lump.is_dirty_dft()) {
1266 dout(10) << "EMetaBlob.replay dirty dirfragtree on " << *dir << dendl;
1267 dir->state_set(CDir::STATE_DIRTYDFT);
1268 mds->locker->mark_updated_scatterlock(&dir->inode->dirfragtreelock);
1269 logseg->dirty_dirfrag_dirfragtree.push_back(&dir->inode->item_dirty_dirfrag_dirfragtree);
1272 dir->mark_new(logseg);
1273 if (lump.is_complete())
1274 dir->mark_complete();
1276 dout(10) << "EMetaBlob.replay updated dir " << *dir << dendl;
1279 lump._decode_bits();
1281 // full dentry+inode pairs
1282 for (list<ceph::shared_ptr<fullbit> >::const_iterator pp = lump.get_dfull().begin();
1283 pp != lump.get_dfull().end();
1285 ceph::shared_ptr<fullbit> p = *pp;
1286 CDentry *dn = dir->lookup_exact_snap(p->dn, p->dnlast);
1288 dn = dir->add_null_dentry(p->dn, p->dnfirst, p->dnlast);
1289 dn->set_version(p->dnv);
1290 if (p->is_dirty()) dn->_mark_dirty(logseg);
1291 dout(10) << "EMetaBlob.replay added (full) " << *dn << dendl;
1293 dn->set_version(p->dnv);
1294 if (p->is_dirty()) dn->_mark_dirty(logseg);
1295 dout(10) << "EMetaBlob.replay for [" << p->dnfirst << "," << p->dnlast << "] had " << *dn << dendl;
1296 dn->first = p->dnfirst;
1297 assert(dn->last == p->dnlast);
1299 if (lump.is_importing())
1300 dn->state_set(CDentry::STATE_AUTH);
1302 CInode *in = mds->mdcache->get_inode(p->inode.ino, p->dnlast);
1304 in = new CInode(mds->mdcache, dn->is_auth(), p->dnfirst, p->dnlast);
1305 p->update_inode(mds, in);
1306 mds->mdcache->add_inode(in);
1307 if (!dn->get_linkage()->is_null()) {
1308 if (dn->get_linkage()->is_primary()) {
1309 unlinked[dn->get_linkage()->get_inode()] = dir;
1311 ss << "EMetaBlob.replay FIXME had dentry linked to wrong inode " << *dn
1312 << " " << *dn->get_linkage()->get_inode() << " should be " << p->inode.ino;
1313 dout(0) << ss.str() << dendl;
1314 mds->clog->warn(ss);
1316 dir->unlink_inode(dn, false);
1318 if (unlinked.count(in))
1320 dir->link_primary_inode(dn, in);
1321 dout(10) << "EMetaBlob.replay added " << *in << dendl;
1323 in->first = p->dnfirst;
1324 p->update_inode(mds, in);
1325 if (dn->get_linkage()->get_inode() != in && in->get_parent_dn()) {
1326 dout(10) << "EMetaBlob.replay unlinking " << *in << dendl;
1327 unlinked[in] = in->get_parent_dir();
1328 in->get_parent_dir()->unlink_inode(in->get_parent_dn());
1330 if (dn->get_linkage()->get_inode() != in) {
1331 if (!dn->get_linkage()->is_null()) { // note: might be remote. as with stray reintegration.
1332 if (dn->get_linkage()->is_primary()) {
1333 unlinked[dn->get_linkage()->get_inode()] = dir;
1335 ss << "EMetaBlob.replay FIXME had dentry linked to wrong inode " << *dn
1336 << " " << *dn->get_linkage()->get_inode() << " should be " << p->inode.ino;
1337 dout(0) << ss.str() << dendl;
1338 mds->clog->warn(ss);
1340 dir->unlink_inode(dn, false);
1342 if (unlinked.count(in))
1344 dir->link_primary_inode(dn, in);
1345 dout(10) << "EMetaBlob.replay linked " << *in << dendl;
1347 dout(10) << "EMetaBlob.replay for [" << p->dnfirst << "," << p->dnlast << "] had " << *in << dendl;
1349 assert(in->first == p->dnfirst ||
1350 (in->is_multiversion() && in->first > p->dnfirst));
1353 in->_mark_dirty(logseg);
1354 if (p->is_dirty_parent())
1355 in->_mark_dirty_parent(logseg, p->is_dirty_pool());
1356 if (p->need_snapflush())
1357 logseg->open_files.push_back(&in->item_open_file);
1359 in->state_set(CInode::STATE_AUTH);
1361 in->state_clear(CInode::STATE_AUTH);
1362 assert(g_conf->mds_kill_journal_replay_at != 2);
1366 for (list<remotebit>::const_iterator p = lump.get_dremote().begin();
1367 p != lump.get_dremote().end();
1369 CDentry *dn = dir->lookup_exact_snap(p->dn, p->dnlast);
1371 dn = dir->add_remote_dentry(p->dn, p->ino, p->d_type, p->dnfirst, p->dnlast);
1372 dn->set_version(p->dnv);
1373 if (p->dirty) dn->_mark_dirty(logseg);
1374 dout(10) << "EMetaBlob.replay added " << *dn << dendl;
1376 if (!dn->get_linkage()->is_null()) {
1377 dout(10) << "EMetaBlob.replay unlinking " << *dn << dendl;
1378 if (dn->get_linkage()->is_primary()) {
1379 unlinked[dn->get_linkage()->get_inode()] = dir;
1381 ss << "EMetaBlob.replay FIXME had dentry linked to wrong inode " << *dn
1382 << " " << *dn->get_linkage()->get_inode() << " should be remote " << p->ino;
1383 dout(0) << ss.str() << dendl;
1385 dir->unlink_inode(dn, false);
1387 dir->link_remote_inode(dn, p->ino, p->d_type);
1388 dn->set_version(p->dnv);
1389 if (p->dirty) dn->_mark_dirty(logseg);
1390 dout(10) << "EMetaBlob.replay for [" << p->dnfirst << "," << p->dnlast << "] had " << *dn << dendl;
1391 dn->first = p->dnfirst;
1392 assert(dn->last == p->dnlast);
1394 if (lump.is_importing())
1395 dn->state_set(CDentry::STATE_AUTH);
1399 for (list<nullbit>::const_iterator p = lump.get_dnull().begin();
1400 p != lump.get_dnull().end();
1402 CDentry *dn = dir->lookup_exact_snap(p->dn, p->dnlast);
1404 dn = dir->add_null_dentry(p->dn, p->dnfirst, p->dnlast);
1405 dn->set_version(p->dnv);
1406 if (p->dirty) dn->_mark_dirty(logseg);
1407 dout(10) << "EMetaBlob.replay added (nullbit) " << *dn << dendl;
1409 dn->first = p->dnfirst;
1410 if (!dn->get_linkage()->is_null()) {
1411 dout(10) << "EMetaBlob.replay unlinking " << *dn << dendl;
1412 CInode *in = dn->get_linkage()->get_inode();
1413 // For renamed inode, We may call CInode::force_dirfrag() later.
1414 // CInode::force_dirfrag() doesn't work well when inode is detached
1415 // from the hierarchy.
1416 if (!renamed_diri || renamed_diri != in) {
1417 if (dn->get_linkage()->is_primary())
1419 dir->unlink_inode(dn);
1422 dn->set_version(p->dnv);
1423 if (p->dirty) dn->_mark_dirty(logseg);
1424 dout(10) << "EMetaBlob.replay had " << *dn << dendl;
1425 assert(dn->last == p->dnlast);
1428 if (lump.is_importing())
1429 dn->state_set(CDentry::STATE_AUTH);
1431 // Make null dentries the first things we trim
1432 dout(10) << "EMetaBlob.replay pushing to bottom of lru " << *dn << dendl;
1436 assert(g_conf->mds_kill_journal_replay_at != 3);
1438 if (renamed_dirino) {
1440 assert(unlinked.count(renamed_diri));
1441 assert(linked.count(renamed_diri));
1442 olddir = unlinked[renamed_diri];
1444 // we imported a diri we haven't seen before
1445 renamed_diri = mds->mdcache->get_inode(renamed_dirino);
1446 assert(renamed_diri); // it was in the metablob
1450 if (olddir->authority() != CDIR_AUTH_UNDEF &&
1451 renamed_diri->authority() == CDIR_AUTH_UNDEF) {
1452 assert(slaveup); // auth to non-auth, must be slave prepare
1453 list<frag_t> leaves;
1454 renamed_diri->dirfragtree.get_leaves(leaves);
1455 for (list<frag_t>::iterator p = leaves.begin(); p != leaves.end(); ++p) {
1456 CDir *dir = renamed_diri->get_dirfrag(*p);
1458 if (dir->get_dir_auth() == CDIR_AUTH_UNDEF)
1459 // preserve subtree bound until slave commit
1460 slaveup->olddirs.insert(dir->inode);
1462 dir->state_set(CDir::STATE_AUTH);
1466 mds->mdcache->adjust_subtree_after_rename(renamed_diri, olddir, false);
1468 // see if we can discard the subtree we renamed out of
1469 CDir *root = mds->mdcache->get_subtree_root(olddir);
1470 if (root->get_dir_auth() == CDIR_AUTH_UNDEF) {
1471 if (slaveup) // preserve the old dir until slave commit
1472 slaveup->olddirs.insert(olddir->inode);
1474 mds->mdcache->try_trim_non_auth_subtree(root);
1478 // if we are the srci importer, we'll also have some dirfrags we have to open up...
1479 if (renamed_diri->authority() != CDIR_AUTH_UNDEF) {
1480 for (list<frag_t>::iterator p = renamed_dir_frags.begin(); p != renamed_dir_frags.end(); ++p) {
1481 CDir *dir = renamed_diri->get_dirfrag(*p);
1483 // we already had the inode before, and we already adjusted this subtree accordingly.
1484 dout(10) << " already had+adjusted rename import bound " << *dir << dendl;
1488 dir = renamed_diri->get_or_open_dirfrag(mds->mdcache, *p);
1489 dout(10) << " creating new rename import bound " << *dir << dendl;
1490 dir->state_clear(CDir::STATE_AUTH);
1491 mds->mdcache->adjust_subtree_auth(dir, CDIR_AUTH_UNDEF);
1495 // rename may overwrite an empty directory and move it into stray dir.
1496 unlinked.erase(renamed_diri);
1497 for (map<CInode*, CDir*>::iterator p = unlinked.begin(); p != unlinked.end(); ++p) {
1498 if (!linked.count(p->first))
1500 assert(p->first->is_dir());
1501 mds->mdcache->adjust_subtree_after_rename(p->first, p->second, false);
1505 if (!unlinked.empty()) {
1506 for (set<CInode*>::iterator p = linked.begin(); p != linked.end(); ++p)
1508 dout(10) << " unlinked set contains " << unlinked << dendl;
1509 for (map<CInode*, CDir*>::iterator p = unlinked.begin(); p != unlinked.end(); ++p) {
1510 if (slaveup) // preserve unlinked inodes until slave commit
1511 slaveup->unlinked.insert(p->first);
1513 mds->mdcache->remove_inode_recursive(p->first);
1517 // table client transactions
1518 for (list<pair<__u8,version_t> >::iterator p = table_tids.begin();
1519 p != table_tids.end();
1521 dout(10) << "EMetaBlob.replay noting " << get_mdstable_name(p->first)
1522 << " transaction " << p->second << dendl;
1523 MDSTableClient *client = mds->get_table_client(p->first);
1525 client->got_journaled_agree(p->second, logseg);
1530 CInode *in = mds->mdcache->get_inode(opened_ino);
1532 dout(10) << "EMetaBlob.replay noting opened inode " << *in << dendl;
1533 logseg->open_files.push_back(&in->item_open_file);
1538 if (mds->inotable->get_version() >= inotablev) {
1539 dout(10) << "EMetaBlob.replay inotable tablev " << inotablev
1540 << " <= table " << mds->inotable->get_version() << dendl;
1542 dout(10) << "EMetaBlob.replay inotable v " << inotablev
1543 << " - 1 == table " << mds->inotable->get_version()
1544 << " allocated+used " << allocated_ino
1545 << " prealloc " << preallocated_inos
1548 mds->inotable->replay_alloc_id(allocated_ino);
1549 if (preallocated_inos.size())
1550 mds->inotable->replay_alloc_ids(preallocated_inos);
1552 // [repair bad inotable updates]
1553 if (inotablev > mds->inotable->get_version()) {
1554 mds->clog->error() << "journal replay inotablev mismatch "
1555 << mds->inotable->get_version() << " -> " << inotablev;
1556 mds->inotable->force_replay_version(inotablev);
1559 assert(inotablev == mds->inotable->get_version());
1563 if (mds->sessionmap.get_version() >= sessionmapv) {
1564 dout(10) << "EMetaBlob.replay sessionmap v " << sessionmapv
1565 << " <= table " << mds->sessionmap.get_version() << dendl;
1566 } else if (mds->sessionmap.get_version() + 2 >= sessionmapv) {
1567 dout(10) << "EMetaBlob.replay sessionmap v " << sessionmapv
1568 << " -(1|2) == table " << mds->sessionmap.get_version()
1569 << " prealloc " << preallocated_inos
1570 << " used " << used_preallocated_ino
1572 Session *session = mds->sessionmap.get_session(client_name);
1574 dout(20) << " (session prealloc " << session->info.prealloc_inos << ")" << dendl;
1575 if (used_preallocated_ino) {
1576 if (!session->info.prealloc_inos.empty()) {
1577 inodeno_t next = session->next_ino();
1578 inodeno_t i = session->take_ino(used_preallocated_ino);
1580 mds->clog->warn() << " replayed op " << client_reqs << " used ino " << i
1581 << " but session next is " << next;
1582 assert(i == used_preallocated_ino);
1583 session->info.used_inos.clear();
1585 mds->sessionmap.replay_dirty_session(session);
1587 if (!preallocated_inos.empty()) {
1588 session->info.prealloc_inos.insert(preallocated_inos);
1589 mds->sessionmap.replay_dirty_session(session);
1593 dout(10) << "EMetaBlob.replay no session for " << client_name << dendl;
1594 if (used_preallocated_ino) {
1595 mds->sessionmap.replay_advance_version();
1597 if (!preallocated_inos.empty())
1598 mds->sessionmap.replay_advance_version();
1600 assert(sessionmapv == mds->sessionmap.get_version());
1602 mds->clog->error() << "journal replay sessionmap v " << sessionmapv
1603 << " -(1|2) > table " << mds->sessionmap.get_version();
1604 assert(g_conf->mds_wipe_sessions);
1605 mds->sessionmap.wipe();
1606 mds->sessionmap.set_version(sessionmapv);
1610 // truncating inodes
1611 for (list<inodeno_t>::iterator p = truncate_start.begin();
1612 p != truncate_start.end();
1614 CInode *in = mds->mdcache->get_inode(*p);
1616 mds->mdcache->add_recovered_truncate(in, logseg);
1618 for (map<inodeno_t,uint64_t>::iterator p = truncate_finish.begin();
1619 p != truncate_finish.end();
1621 LogSegment *ls = mds->mdlog->get_segment(p->second);
1623 CInode *in = mds->mdcache->get_inode(p->first);
1625 mds->mdcache->remove_recovered_truncate(in, ls);
1630 for (vector<inodeno_t>::iterator p = destroyed_inodes.begin();
1631 p != destroyed_inodes.end();
1633 CInode *in = mds->mdcache->get_inode(*p);
1635 dout(10) << "EMetaBlob.replay destroyed " << *p << ", dropping " << *in << dendl;
1636 CDentry *parent = in->get_parent_dn();
1637 mds->mdcache->remove_inode(in);
1639 dout(10) << "EMetaBlob.replay unlinked from dentry " << *parent << dendl;
1640 assert(parent->get_linkage()->is_null());
1643 dout(10) << "EMetaBlob.replay destroyed " << *p << ", not in cache" << dendl;
1648 for (list<pair<metareqid_t, uint64_t> >::iterator p = client_reqs.begin();
1649 p != client_reqs.end();
1651 if (p->first.name.is_client()) {
1652 dout(10) << "EMetaBlob.replay request " << p->first << " trim_to " << p->second << dendl;
1653 inodeno_t created = allocated_ino ? allocated_ino : used_preallocated_ino;
1654 // if we allocated an inode, there should be exactly one client request id.
1655 assert(created == inodeno_t() || client_reqs.size() == 1);
1657 Session *session = mds->sessionmap.get_session(p->first.name);
1659 session->add_completed_request(p->first.tid, created);
1661 session->trim_completed_requests(p->second);
1667 for (list<pair<metareqid_t, uint64_t> >::iterator p = client_flushes.begin();
1668 p != client_flushes.end();
1670 if (p->first.name.is_client()) {
1671 dout(10) << "EMetaBlob.replay flush " << p->first << " trim_to " << p->second << dendl;
1672 Session *session = mds->sessionmap.get_session(p->first.name);
1674 session->add_completed_flush(p->first.tid);
1676 session->trim_completed_flushes(p->second);
1682 update_segment(logseg);
1684 assert(g_conf->mds_kill_journal_replay_at != 4);
1687 // -----------------------
1690 void ESession::update_segment()
1692 _segment->sessionmapv = cmapv;
1693 if (inos.size() && inotablev)
1694 _segment->inotablev = inotablev;
1697 void ESession::replay(MDSRank *mds)
1699 if (mds->sessionmap.get_version() >= cmapv) {
1700 dout(10) << "ESession.replay sessionmap " << mds->sessionmap.get_version()
1701 << " >= " << cmapv << ", noop" << dendl;
1703 dout(10) << "ESession.replay sessionmap " << mds->sessionmap.get_version()
1704 << " < " << cmapv << " " << (open ? "open":"close") << " " << client_inst << dendl;
1707 session = mds->sessionmap.get_or_add_session(client_inst);
1708 mds->sessionmap.set_state(session, Session::STATE_OPEN);
1709 session->set_client_metadata(client_metadata);
1710 dout(10) << " opened session " << session->info.inst << dendl;
1712 session = mds->sessionmap.get_session(client_inst.name);
1713 if (session) { // there always should be a session, but there's a bug
1714 if (session->connection == NULL) {
1715 dout(10) << " removed session " << session->info.inst << dendl;
1716 mds->sessionmap.remove_session(session);
1719 session->clear(); // the client has reconnected; keep the Session, but reset
1720 dout(10) << " reset session " << session->info.inst << " (they reconnected)" << dendl;
1723 mds->clog->error() << "replayed stray Session close event for " << client_inst
1724 << " from time " << stamp << ", ignoring";
1728 mds->sessionmap.replay_dirty_session(session);
1730 mds->sessionmap.replay_advance_version();
1732 assert(mds->sessionmap.get_version() == cmapv);
1735 if (inos.size() && inotablev) {
1736 if (mds->inotable->get_version() >= inotablev) {
1737 dout(10) << "ESession.replay inotable " << mds->inotable->get_version()
1738 << " >= " << inotablev << ", noop" << dendl;
1740 dout(10) << "ESession.replay inotable " << mds->inotable->get_version()
1741 << " < " << inotablev << " " << (open ? "add":"remove") << dendl;
1742 assert(!open); // for now
1743 mds->inotable->replay_release_ids(inos);
1744 assert(mds->inotable->get_version() == inotablev);
1751 void ESession::encode(bufferlist &bl, uint64_t features) const
1753 ENCODE_START(4, 3, bl);
1754 ::encode(stamp, bl);
1755 ::encode(client_inst, bl, features);
1757 ::encode(cmapv, bl);
1759 ::encode(inotablev, bl);
1760 ::encode(client_metadata, bl);
1764 void ESession::decode(bufferlist::iterator &bl)
1766 DECODE_START_LEGACY_COMPAT_LEN(4, 3, 3, bl);
1768 ::decode(stamp, bl);
1769 ::decode(client_inst, bl);
1771 ::decode(cmapv, bl);
1773 ::decode(inotablev, bl);
1774 if (struct_v >= 4) {
1775 ::decode(client_metadata, bl);
1780 void ESession::dump(Formatter *f) const
1782 f->dump_stream("client instance") << client_inst;
1783 f->dump_string("open", open ? "true" : "false");
1784 f->dump_int("client map version", cmapv);
1785 f->dump_stream("inos") << inos;
1786 f->dump_int("inotable version", inotablev);
1787 f->open_object_section("client_metadata");
1788 for (map<string, string>::const_iterator i = client_metadata.begin();
1789 i != client_metadata.end(); ++i) {
1790 f->dump_string(i->first.c_str(), i->second);
1792 f->close_section(); // client_metadata
1795 void ESession::generate_test_instances(list<ESession*>& ls)
1797 ls.push_back(new ESession);
1800 // -----------------------
1803 void ESessions::encode(bufferlist &bl, uint64_t features) const
1805 ENCODE_START(1, 1, bl);
1806 ::encode(client_map, bl, features);
1807 ::encode(cmapv, bl);
1808 ::encode(stamp, bl);
1812 void ESessions::decode_old(bufferlist::iterator &bl)
1814 ::decode(client_map, bl);
1815 ::decode(cmapv, bl);
1817 ::decode(stamp, bl);
1820 void ESessions::decode_new(bufferlist::iterator &bl)
1822 DECODE_START(1, bl);
1823 ::decode(client_map, bl);
1824 ::decode(cmapv, bl);
1826 ::decode(stamp, bl);
1830 void ESessions::dump(Formatter *f) const
1832 f->dump_int("client map version", cmapv);
1834 f->open_array_section("client map");
1835 for (map<client_t,entity_inst_t>::const_iterator i = client_map.begin();
1836 i != client_map.end(); ++i) {
1837 f->open_object_section("client");
1838 f->dump_int("client id", i->first.v);
1839 f->dump_stream("client entity") << i->second;
1840 f->close_section(); // client
1842 f->close_section(); // client map
1845 void ESessions::generate_test_instances(list<ESessions*>& ls)
1847 ls.push_back(new ESessions());
1850 void ESessions::update_segment()
1852 _segment->sessionmapv = cmapv;
1855 void ESessions::replay(MDSRank *mds)
1857 if (mds->sessionmap.get_version() >= cmapv) {
1858 dout(10) << "ESessions.replay sessionmap " << mds->sessionmap.get_version()
1859 << " >= " << cmapv << ", noop" << dendl;
1861 dout(10) << "ESessions.replay sessionmap " << mds->sessionmap.get_version()
1862 << " < " << cmapv << dendl;
1863 mds->sessionmap.open_sessions(client_map);
1864 assert(mds->sessionmap.get_version() == cmapv);
1865 mds->sessionmap.set_projected(mds->sessionmap.get_version());
1871 // -----------------------
1874 void ETableServer::encode(bufferlist& bl, uint64_t features) const
1876 ENCODE_START(3, 3, bl);
1877 ::encode(stamp, bl);
1878 ::encode(table, bl);
1880 ::encode(reqid, bl);
1881 ::encode(bymds, bl);
1882 ::encode(mutation, bl);
1884 ::encode(version, bl);
1888 void ETableServer::decode(bufferlist::iterator &bl)
1890 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
1892 ::decode(stamp, bl);
1893 ::decode(table, bl);
1895 ::decode(reqid, bl);
1896 ::decode(bymds, bl);
1897 ::decode(mutation, bl);
1899 ::decode(version, bl);
1903 void ETableServer::dump(Formatter *f) const
1905 f->dump_int("table id", table);
1906 f->dump_int("op", op);
1907 f->dump_int("request id", reqid);
1908 f->dump_int("by mds", bymds);
1909 f->dump_int("tid", tid);
1910 f->dump_int("version", version);
1913 void ETableServer::generate_test_instances(list<ETableServer*>& ls)
1915 ls.push_back(new ETableServer());
1919 void ETableServer::update_segment()
1921 _segment->tablev[table] = version;
1924 void ETableServer::replay(MDSRank *mds)
1926 MDSTableServer *server = mds->get_table_server(table);
1930 if (server->get_version() >= version) {
1931 dout(10) << "ETableServer.replay " << get_mdstable_name(table)
1932 << " " << get_mdstableserver_opname(op)
1933 << " event " << version
1934 << " <= table " << server->get_version() << dendl;
1938 dout(10) << " ETableServer.replay " << get_mdstable_name(table)
1939 << " " << get_mdstableserver_opname(op)
1940 << " event " << version << " - 1 == table " << server->get_version() << dendl;
1941 assert(version-1 == server->get_version());
1944 case TABLESERVER_OP_PREPARE:
1945 server->_prepare(mutation, reqid, bymds);
1946 server->_note_prepare(bymds, reqid);
1948 case TABLESERVER_OP_COMMIT:
1949 server->_commit(tid);
1950 server->_note_commit(tid);
1952 case TABLESERVER_OP_ROLLBACK:
1953 server->_rollback(tid);
1954 server->_note_rollback(tid);
1956 case TABLESERVER_OP_SERVER_UPDATE:
1957 server->_server_update(mutation);
1960 mds->clog->error() << "invalid tableserver op in ETableServer";
1962 ceph_abort(); // Should be unreachable because damaged() calls respawn()
1965 assert(version == server->get_version());
1970 // ---------------------
1973 void ETableClient::encode(bufferlist& bl, uint64_t features) const
1975 ENCODE_START(3, 3, bl);
1976 ::encode(stamp, bl);
1977 ::encode(table, bl);
1983 void ETableClient::decode(bufferlist::iterator &bl)
1985 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
1987 ::decode(stamp, bl);
1988 ::decode(table, bl);
1994 void ETableClient::dump(Formatter *f) const
1996 f->dump_int("table", table);
1997 f->dump_int("op", op);
1998 f->dump_int("tid", tid);
2001 void ETableClient::generate_test_instances(list<ETableClient*>& ls)
2003 ls.push_back(new ETableClient());
2006 void ETableClient::replay(MDSRank *mds)
2008 dout(10) << " ETableClient.replay " << get_mdstable_name(table)
2009 << " op " << get_mdstableserver_opname(op)
2010 << " tid " << tid << dendl;
2012 MDSTableClient *client = mds->get_table_client(table);
2016 assert(op == TABLESERVER_OP_ACK);
2017 client->got_journaled_ack(tid);
2021 // -----------------------
2024 void ESnap::update_segment()
2026 _segment->tablev[TABLE_SNAP] = version;
2029 void ESnap::replay(MDSRank *mds)
2031 if (mds->snaptable->get_version() >= version) {
2032 dout(10) << "ESnap.replay event " << version
2033 << " <= table " << mds->snaptable->get_version() << dendl;
2037 dout(10) << " ESnap.replay event " << version
2038 << " - 1 == table " << mds->snaptable->get_version() << dendl;
2039 assert(version-1 == mds->snaptable->get_version());
2043 snapid_t s = mds->snaptable->create(snap.dirino, snap.name, snap.stamp, &v);
2044 assert(s == snap.snapid);
2046 mds->snaptable->remove(snap.snapid);
2049 assert(version == mds->snaptable->get_version());
2055 // -----------------------
2058 void EUpdate::encode(bufferlist &bl, uint64_t features) const
2060 ENCODE_START(4, 4, bl);
2061 ::encode(stamp, bl);
2063 ::encode(metablob, bl, features);
2064 ::encode(client_map, bl);
2065 ::encode(cmapv, bl);
2066 ::encode(reqid, bl);
2067 ::encode(had_slaves, bl);
2071 void EUpdate::decode(bufferlist::iterator &bl)
2073 DECODE_START_LEGACY_COMPAT_LEN(4, 4, 4, bl);
2075 ::decode(stamp, bl);
2077 ::decode(metablob, bl);
2078 ::decode(client_map, bl);
2080 ::decode(cmapv, bl);
2081 ::decode(reqid, bl);
2082 ::decode(had_slaves, bl);
2086 void EUpdate::dump(Formatter *f) const
2088 f->open_object_section("metablob");
2090 f->close_section(); // metablob
2092 f->dump_string("type", type);
2093 f->dump_int("client map length", client_map.length());
2094 f->dump_int("client map version", cmapv);
2095 f->dump_stream("reqid") << reqid;
2096 f->dump_string("had slaves", had_slaves ? "true" : "false");
2099 void EUpdate::generate_test_instances(list<EUpdate*>& ls)
2101 ls.push_back(new EUpdate());
2105 void EUpdate::update_segment()
2107 metablob.update_segment(_segment);
2109 if (client_map.length())
2110 _segment->sessionmapv = cmapv;
2113 _segment->uncommitted_masters.insert(reqid);
2116 void EUpdate::replay(MDSRank *mds)
2118 metablob.replay(mds, _segment);
2121 dout(10) << "EUpdate.replay " << reqid << " had slaves, expecting a matching ECommitted" << dendl;
2122 _segment->uncommitted_masters.insert(reqid);
2123 set<mds_rank_t> slaves;
2124 mds->mdcache->add_uncommitted_master(reqid, _segment, slaves, true);
2127 if (client_map.length()) {
2128 if (mds->sessionmap.get_version() >= cmapv) {
2129 dout(10) << "EUpdate.replay sessionmap v " << cmapv
2130 << " <= table " << mds->sessionmap.get_version() << dendl;
2132 dout(10) << "EUpdate.replay sessionmap " << mds->sessionmap.get_version()
2133 << " < " << cmapv << dendl;
2134 // open client sessions?
2135 map<client_t,entity_inst_t> cm;
2136 bufferlist::iterator blp = client_map.begin();
2138 mds->sessionmap.open_sessions(cm);
2140 assert(mds->sessionmap.get_version() == cmapv);
2141 mds->sessionmap.set_projected(mds->sessionmap.get_version());
2148 // ------------------------
2151 void EOpen::encode(bufferlist &bl, uint64_t features) const {
2152 ENCODE_START(4, 3, bl);
2153 ::encode(stamp, bl);
2154 ::encode(metablob, bl, features);
2156 ::encode(snap_inos, bl);
2160 void EOpen::decode(bufferlist::iterator &bl) {
2161 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
2163 ::decode(stamp, bl);
2164 ::decode(metablob, bl);
2167 ::decode(snap_inos, bl);
2171 void EOpen::dump(Formatter *f) const
2173 f->open_object_section("metablob");
2175 f->close_section(); // metablob
2176 f->open_array_section("inos involved");
2177 for (vector<inodeno_t>::const_iterator i = inos.begin();
2178 i != inos.end(); ++i) {
2179 f->dump_int("ino", *i);
2181 f->close_section(); // inos
2184 void EOpen::generate_test_instances(list<EOpen*>& ls)
2186 ls.push_back(new EOpen());
2187 ls.push_back(new EOpen());
2188 ls.back()->add_ino(0);
2191 void EOpen::update_segment()
2196 void EOpen::replay(MDSRank *mds)
2198 dout(10) << "EOpen.replay " << dendl;
2199 metablob.replay(mds, _segment);
2201 // note which segments inodes belong to, so we don't have to start rejournaling them
2202 for (const auto &ino : inos) {
2203 CInode *in = mds->mdcache->get_inode(ino);
2205 dout(0) << "EOpen.replay ino " << ino << " not in metablob" << dendl;
2208 _segment->open_files.push_back(&in->item_open_file);
2210 for (const auto &vino : snap_inos) {
2211 CInode *in = mds->mdcache->get_inode(vino);
2213 dout(0) << "EOpen.replay ino " << vino << " not in metablob" << dendl;
2216 _segment->open_files.push_back(&in->item_open_file);
2221 // -----------------------
2224 void ECommitted::replay(MDSRank *mds)
2226 if (mds->mdcache->uncommitted_masters.count(reqid)) {
2227 dout(10) << "ECommitted.replay " << reqid << dendl;
2228 mds->mdcache->uncommitted_masters[reqid].ls->uncommitted_masters.erase(reqid);
2229 mds->mdcache->uncommitted_masters.erase(reqid);
2231 dout(10) << "ECommitted.replay " << reqid << " -- didn't see original op" << dendl;
2235 void ECommitted::encode(bufferlist& bl, uint64_t features) const
2237 ENCODE_START(3, 3, bl);
2238 ::encode(stamp, bl);
2239 ::encode(reqid, bl);
2243 void ECommitted::decode(bufferlist::iterator& bl)
2245 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
2247 ::decode(stamp, bl);
2248 ::decode(reqid, bl);
2252 void ECommitted::dump(Formatter *f) const {
2253 f->dump_stream("stamp") << stamp;
2254 f->dump_stream("reqid") << reqid;
2257 void ECommitted::generate_test_instances(list<ECommitted*>& ls)
2259 ls.push_back(new ECommitted);
2260 ls.push_back(new ECommitted);
2261 ls.back()->stamp = utime_t(1, 2);
2262 ls.back()->reqid = metareqid_t(entity_name_t::CLIENT(123), 456);
2265 // -----------------------
2268 void link_rollback::encode(bufferlist &bl) const
2270 ENCODE_START(2, 2, bl);
2271 ::encode(reqid, bl);
2273 ::encode(was_inc, bl);
2274 ::encode(old_ctime, bl);
2275 ::encode(old_dir_mtime, bl);
2276 ::encode(old_dir_rctime, bl);
2280 void link_rollback::decode(bufferlist::iterator &bl)
2282 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
2283 ::decode(reqid, bl);
2285 ::decode(was_inc, bl);
2286 ::decode(old_ctime, bl);
2287 ::decode(old_dir_mtime, bl);
2288 ::decode(old_dir_rctime, bl);
2292 void link_rollback::dump(Formatter *f) const
2294 f->dump_stream("metareqid") << reqid;
2295 f->dump_int("ino", ino);
2296 f->dump_string("was incremented", was_inc ? "true" : "false");
2297 f->dump_stream("old_ctime") << old_ctime;
2298 f->dump_stream("old_dir_mtime") << old_dir_mtime;
2299 f->dump_stream("old_dir_rctime") << old_dir_rctime;
2302 void link_rollback::generate_test_instances(list<link_rollback*>& ls)
2304 ls.push_back(new link_rollback());
2307 void rmdir_rollback::encode(bufferlist& bl) const
2309 ENCODE_START(2, 2, bl);
2310 ::encode(reqid, bl);
2311 ::encode(src_dir, bl);
2312 ::encode(src_dname, bl);
2313 ::encode(dest_dir, bl);
2314 ::encode(dest_dname, bl);
2318 void rmdir_rollback::decode(bufferlist::iterator& bl)
2320 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
2321 ::decode(reqid, bl);
2322 ::decode(src_dir, bl);
2323 ::decode(src_dname, bl);
2324 ::decode(dest_dir, bl);
2325 ::decode(dest_dname, bl);
2329 void rmdir_rollback::dump(Formatter *f) const
2331 f->dump_stream("metareqid") << reqid;
2332 f->dump_stream("source directory") << src_dir;
2333 f->dump_string("source dname", src_dname);
2334 f->dump_stream("destination directory") << dest_dir;
2335 f->dump_string("destination dname", dest_dname);
2338 void rmdir_rollback::generate_test_instances(list<rmdir_rollback*>& ls)
2340 ls.push_back(new rmdir_rollback());
2343 void rename_rollback::drec::encode(bufferlist &bl) const
2345 ENCODE_START(2, 2, bl);
2346 ::encode(dirfrag, bl);
2347 ::encode(dirfrag_old_mtime, bl);
2348 ::encode(dirfrag_old_rctime, bl);
2350 ::encode(remote_ino, bl);
2351 ::encode(dname, bl);
2352 ::encode(remote_d_type, bl);
2353 ::encode(old_ctime, bl);
2357 void rename_rollback::drec::decode(bufferlist::iterator &bl)
2359 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
2360 ::decode(dirfrag, bl);
2361 ::decode(dirfrag_old_mtime, bl);
2362 ::decode(dirfrag_old_rctime, bl);
2364 ::decode(remote_ino, bl);
2365 ::decode(dname, bl);
2366 ::decode(remote_d_type, bl);
2367 ::decode(old_ctime, bl);
2371 void rename_rollback::drec::dump(Formatter *f) const
2373 f->dump_stream("directory fragment") << dirfrag;
2374 f->dump_stream("directory old mtime") << dirfrag_old_mtime;
2375 f->dump_stream("directory old rctime") << dirfrag_old_rctime;
2376 f->dump_int("ino", ino);
2377 f->dump_int("remote ino", remote_ino);
2378 f->dump_string("dname", dname);
2379 uint32_t type = DTTOIF(remote_d_type) & S_IFMT; // convert to type entries
2383 type_string = "file"; break;
2385 type_string = "symlink"; break;
2387 type_string = "directory"; break;
2389 type_string = "UNKNOWN-" + stringify((int)type); break;
2391 f->dump_string("remote dtype", type_string);
2392 f->dump_stream("old ctime") << old_ctime;
2395 void rename_rollback::drec::generate_test_instances(list<drec*>& ls)
2397 ls.push_back(new drec());
2398 ls.back()->remote_d_type = IFTODT(S_IFREG);
2401 void rename_rollback::encode(bufferlist &bl) const
2403 ENCODE_START(2, 2, bl);
2404 ::encode(reqid, bl);
2405 encode(orig_src, bl);
2406 encode(orig_dest, bl);
2408 ::encode(ctime, bl);
2412 void rename_rollback::decode(bufferlist::iterator &bl)
2414 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
2415 ::decode(reqid, bl);
2416 decode(orig_src, bl);
2417 decode(orig_dest, bl);
2419 ::decode(ctime, bl);
2423 void rename_rollback::dump(Formatter *f) const
2425 f->dump_stream("request id") << reqid;
2426 f->open_object_section("original src drec");
2428 f->close_section(); // original src drec
2429 f->open_object_section("original dest drec");
2431 f->close_section(); // original dest drec
2432 f->open_object_section("stray drec");
2434 f->close_section(); // stray drec
2435 f->dump_stream("ctime") << ctime;
2438 void rename_rollback::generate_test_instances(list<rename_rollback*>& ls)
2440 ls.push_back(new rename_rollback());
2441 ls.back()->orig_src.remote_d_type = IFTODT(S_IFREG);
2442 ls.back()->orig_dest.remote_d_type = IFTODT(S_IFREG);
2443 ls.back()->stray.remote_d_type = IFTODT(S_IFREG);
2446 void ESlaveUpdate::encode(bufferlist &bl, uint64_t features) const
2448 ENCODE_START(3, 3, bl);
2449 ::encode(stamp, bl);
2451 ::encode(reqid, bl);
2452 ::encode(master, bl);
2454 ::encode(origop, bl);
2455 ::encode(commit, bl, features);
2456 ::encode(rollback, bl);
2460 void ESlaveUpdate::decode(bufferlist::iterator &bl)
2462 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
2464 ::decode(stamp, bl);
2466 ::decode(reqid, bl);
2467 ::decode(master, bl);
2469 ::decode(origop, bl);
2470 ::decode(commit, bl);
2471 ::decode(rollback, bl);
2475 void ESlaveUpdate::dump(Formatter *f) const
2477 f->open_object_section("metablob");
2479 f->close_section(); // metablob
2481 f->dump_int("rollback length", rollback.length());
2482 f->dump_string("type", type);
2483 f->dump_stream("metareqid") << reqid;
2484 f->dump_int("master", master);
2485 f->dump_int("op", op);
2486 f->dump_int("original op", origop);
2489 void ESlaveUpdate::generate_test_instances(list<ESlaveUpdate*>& ls)
2491 ls.push_back(new ESlaveUpdate());
2495 void ESlaveUpdate::replay(MDSRank *mds)
2499 case ESlaveUpdate::OP_PREPARE:
2500 dout(10) << "ESlaveUpdate.replay prepare " << reqid << " for mds." << master
2501 << ": applying commit, saving rollback info" << dendl;
2502 su = new MDSlaveUpdate(origop, rollback, _segment->slave_updates);
2503 commit.replay(mds, _segment, su);
2504 mds->mdcache->add_uncommitted_slave_update(reqid, master, su);
2507 case ESlaveUpdate::OP_COMMIT:
2508 su = mds->mdcache->get_uncommitted_slave_update(reqid, master);
2510 dout(10) << "ESlaveUpdate.replay commit " << reqid << " for mds." << master << dendl;
2511 mds->mdcache->finish_uncommitted_slave_update(reqid, master);
2513 dout(10) << "ESlaveUpdate.replay commit " << reqid << " for mds." << master
2514 << ": ignoring, no previously saved prepare" << dendl;
2518 case ESlaveUpdate::OP_ROLLBACK:
2519 dout(10) << "ESlaveUpdate.replay abort " << reqid << " for mds." << master
2520 << ": applying rollback commit blob" << dendl;
2521 commit.replay(mds, _segment);
2522 su = mds->mdcache->get_uncommitted_slave_update(reqid, master);
2524 mds->mdcache->finish_uncommitted_slave_update(reqid, master);
2528 mds->clog->error() << "invalid op in ESlaveUpdate";
2530 ceph_abort(); // Should be unreachable because damaged() calls respawn()
2535 // -----------------------
2538 void ESubtreeMap::encode(bufferlist& bl, uint64_t features) const
2540 ENCODE_START(6, 5, bl);
2541 ::encode(stamp, bl);
2542 ::encode(metablob, bl, features);
2543 ::encode(subtrees, bl);
2544 ::encode(ambiguous_subtrees, bl);
2545 ::encode(expire_pos, bl);
2546 ::encode(event_seq, bl);
2550 void ESubtreeMap::decode(bufferlist::iterator &bl)
2552 DECODE_START_LEGACY_COMPAT_LEN(6, 5, 5, bl);
2554 ::decode(stamp, bl);
2555 ::decode(metablob, bl);
2556 ::decode(subtrees, bl);
2558 ::decode(ambiguous_subtrees, bl);
2560 ::decode(expire_pos, bl);
2562 ::decode(event_seq, bl);
2566 void ESubtreeMap::dump(Formatter *f) const
2568 f->open_object_section("metablob");
2570 f->close_section(); // metablob
2572 f->open_array_section("subtrees");
2573 for(map<dirfrag_t,vector<dirfrag_t> >::const_iterator i = subtrees.begin();
2574 i != subtrees.end(); ++i) {
2575 f->open_object_section("tree");
2576 f->dump_stream("root dirfrag") << i->first;
2577 for (vector<dirfrag_t>::const_iterator j = i->second.begin();
2578 j != i->second.end(); ++j) {
2579 f->dump_stream("bound dirfrag") << *j;
2581 f->close_section(); // tree
2583 f->close_section(); // subtrees
2585 f->open_array_section("ambiguous subtrees");
2586 for(set<dirfrag_t>::const_iterator i = ambiguous_subtrees.begin();
2587 i != ambiguous_subtrees.end(); ++i) {
2588 f->dump_stream("dirfrag") << *i;
2590 f->close_section(); // ambiguous subtrees
2592 f->dump_int("expire position", expire_pos);
2595 void ESubtreeMap::generate_test_instances(list<ESubtreeMap*>& ls)
2597 ls.push_back(new ESubtreeMap());
2600 void ESubtreeMap::replay(MDSRank *mds)
2602 if (expire_pos && expire_pos > mds->mdlog->journaler->get_expire_pos())
2603 mds->mdlog->journaler->set_expire_pos(expire_pos);
2605 // suck up the subtree map?
2606 if (mds->mdcache->is_subtrees()) {
2607 dout(10) << "ESubtreeMap.replay -- i already have import map; verifying" << dendl;
2610 for (map<dirfrag_t, vector<dirfrag_t> >::iterator p = subtrees.begin();
2611 p != subtrees.end();
2613 CDir *dir = mds->mdcache->get_dirfrag(p->first);
2615 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2616 << " subtree root " << p->first << " not in cache";
2621 if (!mds->mdcache->is_subtree(dir)) {
2622 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2623 << " subtree root " << p->first << " not a subtree in cache";
2627 if (dir->get_dir_auth().first != mds->get_nodeid()) {
2628 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2629 << " subtree root " << p->first
2630 << " is not mine in cache (it's " << dir->get_dir_auth() << ")";
2635 for (vector<dirfrag_t>::iterator q = p->second.begin(); q != p->second.end(); ++q)
2636 mds->mdcache->get_force_dirfrag(*q, true);
2639 mds->mdcache->get_subtree_bounds(dir, bounds);
2640 for (vector<dirfrag_t>::iterator q = p->second.begin(); q != p->second.end(); ++q) {
2641 CDir *b = mds->mdcache->get_dirfrag(*q);
2643 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2644 << " subtree " << p->first << " bound " << *q << " not in cache";
2648 if (bounds.count(b) == 0) {
2649 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2650 << " subtree " << p->first << " bound " << *q << " not a bound in cache";
2656 for (set<CDir*>::iterator q = bounds.begin(); q != bounds.end(); ++q) {
2657 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2658 << " subtree " << p->first << " has extra bound in cache " << (*q)->dirfrag();
2662 if (ambiguous_subtrees.count(p->first)) {
2663 if (!mds->mdcache->have_ambiguous_import(p->first)) {
2664 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2665 << " subtree " << p->first << " is ambiguous but is not in our cache";
2669 if (mds->mdcache->have_ambiguous_import(p->first)) {
2670 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2671 << " subtree " << p->first << " is not ambiguous but is in our cache";
2678 mds->mdcache->list_subtrees(subs);
2679 for (list<CDir*>::iterator p = subs.begin(); p != subs.end(); ++p) {
2681 if (dir->get_dir_auth().first != mds->get_nodeid())
2683 if (subtrees.count(dir->dirfrag()) == 0) {
2684 mds->clog->error() << " replayed ESubtreeMap at " << get_start_off()
2685 << " does not include cache subtree " << dir->dirfrag();
2691 dout(0) << "journal subtrees: " << subtrees << dendl;
2692 dout(0) << "journal ambig_subtrees: " << ambiguous_subtrees << dendl;
2693 mds->mdcache->show_subtrees();
2694 assert(!g_conf->mds_debug_subtrees || errors == 0);
2699 dout(10) << "ESubtreeMap.replay -- reconstructing (auth) subtree spanning tree" << dendl;
2701 // first, stick the spanning tree in my cache
2702 //metablob.print(*_dout);
2703 metablob.replay(mds, _segment);
2705 // restore import/export maps
2706 for (map<dirfrag_t, vector<dirfrag_t> >::iterator p = subtrees.begin();
2707 p != subtrees.end();
2709 CDir *dir = mds->mdcache->get_dirfrag(p->first);
2711 if (ambiguous_subtrees.count(p->first)) {
2713 mds->mdcache->add_ambiguous_import(p->first, p->second);
2714 mds->mdcache->adjust_bounded_subtree_auth(dir, p->second,
2715 mds_authority_t(mds->get_nodeid(), mds->get_nodeid()));
2718 mds->mdcache->adjust_bounded_subtree_auth(dir, p->second, mds->get_nodeid());
2722 mds->mdcache->recalc_auth_bits(true);
2724 mds->mdcache->show_subtrees();
2729 // -----------------------
2732 void EFragment::replay(MDSRank *mds)
2734 dout(10) << "EFragment.replay " << op_name(op) << " " << ino << " " << basefrag << " by " << bits << dendl;
2736 list<CDir*> resultfrags;
2737 list<MDSInternalContextBase*> waiters;
2738 list<frag_t> old_frags;
2740 // in may be NULL if it wasn't in our cache yet. if it's a prepare
2741 // it will be once we replay the metablob , but first we need to
2742 // refragment anything we already have in the cache.
2743 CInode *in = mds->mdcache->get_inode(ino);
2747 mds->mdcache->add_uncommitted_fragment(dirfrag_t(ino, basefrag), bits, orig_frags, _segment, &rollback);
2750 mds->mdcache->adjust_dir_fragments(in, basefrag, bits, resultfrags, waiters, true);
2755 in->dirfragtree.get_leaves_under(basefrag, old_frags);
2756 if (orig_frags.empty()) {
2757 // old format EFragment
2758 mds->mdcache->adjust_dir_fragments(in, basefrag, -bits, resultfrags, waiters, true);
2760 for (list<frag_t>::iterator p = orig_frags.begin(); p != orig_frags.end(); ++p)
2761 mds->mdcache->force_dir_fragment(in, *p);
2764 mds->mdcache->rollback_uncommitted_fragment(dirfrag_t(ino, basefrag), old_frags);
2769 mds->mdcache->finish_uncommitted_fragment(dirfrag_t(ino, basefrag), op);
2776 metablob.replay(mds, _segment);
2777 if (in && g_conf->mds_debug_frag)
2778 in->verify_dirfrags();
2781 void EFragment::encode(bufferlist &bl, uint64_t features) const {
2782 ENCODE_START(5, 4, bl);
2783 ::encode(stamp, bl);
2786 ::encode(basefrag, bl);
2788 ::encode(metablob, bl, features);
2789 ::encode(orig_frags, bl);
2790 ::encode(rollback, bl);
2794 void EFragment::decode(bufferlist::iterator &bl) {
2795 DECODE_START_LEGACY_COMPAT_LEN(5, 4, 4, bl);
2797 ::decode(stamp, bl);
2801 ::decode(basefrag, bl);
2803 ::decode(metablob, bl);
2804 if (struct_v >= 5) {
2805 ::decode(orig_frags, bl);
2806 ::decode(rollback, bl);
2811 void EFragment::dump(Formatter *f) const
2813 /*f->open_object_section("Metablob");
2814 metablob.dump(f); // sadly we don't have this; dunno if we'll get it
2815 f->close_section();*/
2816 f->dump_string("op", op_name(op));
2817 f->dump_stream("ino") << ino;
2818 f->dump_stream("base frag") << basefrag;
2819 f->dump_int("bits", bits);
2822 void EFragment::generate_test_instances(list<EFragment*>& ls)
2824 ls.push_back(new EFragment);
2825 ls.push_back(new EFragment);
2826 ls.back()->op = OP_PREPARE;
2828 ls.back()->bits = 5;
2831 void dirfrag_rollback::encode(bufferlist &bl) const
2833 ENCODE_START(1, 1, bl);
2834 ::encode(fnode, bl);
2838 void dirfrag_rollback::decode(bufferlist::iterator &bl)
2840 DECODE_START(1, bl);
2841 ::decode(fnode, bl);
2847 // =========================================================================
2849 // -----------------------
2852 void EExport::replay(MDSRank *mds)
2854 dout(10) << "EExport.replay " << base << dendl;
2855 metablob.replay(mds, _segment);
2857 CDir *dir = mds->mdcache->get_dirfrag(base);
2860 set<CDir*> realbounds;
2861 for (set<dirfrag_t>::iterator p = bounds.begin();
2864 CDir *bd = mds->mdcache->get_dirfrag(*p);
2866 realbounds.insert(bd);
2870 mds->mdcache->adjust_bounded_subtree_auth(dir, realbounds, CDIR_AUTH_UNDEF);
2872 mds->mdcache->try_trim_non_auth_subtree(dir);
2875 void EExport::encode(bufferlist& bl, uint64_t features) const
2877 ENCODE_START(4, 3, bl);
2878 ::encode(stamp, bl);
2879 ::encode(metablob, bl, features);
2881 ::encode(bounds, bl);
2882 ::encode(target, bl);
2886 void EExport::decode(bufferlist::iterator &bl)
2888 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
2890 ::decode(stamp, bl);
2891 ::decode(metablob, bl);
2893 ::decode(bounds, bl);
2895 ::decode(target, bl);
2899 void EExport::dump(Formatter *f) const
2901 f->dump_float("stamp", (double)stamp);
2902 /*f->open_object_section("Metablob");
2903 metablob.dump(f); // sadly we don't have this; dunno if we'll get it
2904 f->close_section();*/
2905 f->dump_stream("base dirfrag") << base;
2906 f->open_array_section("bounds dirfrags");
2907 for (set<dirfrag_t>::const_iterator i = bounds.begin();
2908 i != bounds.end(); ++i) {
2909 f->dump_stream("dirfrag") << *i;
2911 f->close_section(); // bounds dirfrags
2914 void EExport::generate_test_instances(list<EExport*>& ls)
2916 EExport *sample = new EExport();
2917 ls.push_back(sample);
2921 // -----------------------
2924 void EImportStart::update_segment()
2926 _segment->sessionmapv = cmapv;
2929 void EImportStart::replay(MDSRank *mds)
2931 dout(10) << "EImportStart.replay " << base << " bounds " << bounds << dendl;
2932 //metablob.print(*_dout);
2933 metablob.replay(mds, _segment);
2935 // put in ambiguous import list
2936 mds->mdcache->add_ambiguous_import(base, bounds);
2938 // set auth partially to us so we don't trim it
2939 CDir *dir = mds->mdcache->get_dirfrag(base);
2942 set<CDir*> realbounds;
2943 for (vector<dirfrag_t>::iterator p = bounds.begin();
2946 CDir *bd = mds->mdcache->get_dirfrag(*p);
2948 if (!bd->is_subtree_root())
2949 bd->state_clear(CDir::STATE_AUTH);
2950 realbounds.insert(bd);
2953 mds->mdcache->adjust_bounded_subtree_auth(dir, realbounds,
2954 mds_authority_t(mds->get_nodeid(), mds->get_nodeid()));
2956 // open client sessions?
2957 if (mds->sessionmap.get_version() >= cmapv) {
2958 dout(10) << "EImportStart.replay sessionmap " << mds->sessionmap.get_version()
2959 << " >= " << cmapv << ", noop" << dendl;
2961 dout(10) << "EImportStart.replay sessionmap " << mds->sessionmap.get_version()
2962 << " < " << cmapv << dendl;
2963 map<client_t,entity_inst_t> cm;
2964 bufferlist::iterator blp = client_map.begin();
2966 mds->sessionmap.open_sessions(cm);
2967 assert(mds->sessionmap.get_version() == cmapv);
2968 mds->sessionmap.set_projected(mds->sessionmap.get_version());
2973 void EImportStart::encode(bufferlist &bl, uint64_t features) const {
2974 ENCODE_START(4, 3, bl);
2975 ::encode(stamp, bl);
2977 ::encode(metablob, bl, features);
2978 ::encode(bounds, bl);
2979 ::encode(cmapv, bl);
2980 ::encode(client_map, bl);
2985 void EImportStart::decode(bufferlist::iterator &bl) {
2986 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
2988 ::decode(stamp, bl);
2990 ::decode(metablob, bl);
2991 ::decode(bounds, bl);
2992 ::decode(cmapv, bl);
2993 ::decode(client_map, bl);
2999 void EImportStart::dump(Formatter *f) const
3001 f->dump_stream("base dirfrag") << base;
3002 f->open_array_section("boundary dirfrags");
3003 for (vector<dirfrag_t>::const_iterator iter = bounds.begin();
3004 iter != bounds.end(); ++iter) {
3005 f->dump_stream("frag") << *iter;
3010 void EImportStart::generate_test_instances(list<EImportStart*>& ls)
3012 ls.push_back(new EImportStart);
3015 // -----------------------
3018 void EImportFinish::replay(MDSRank *mds)
3020 if (mds->mdcache->have_ambiguous_import(base)) {
3021 dout(10) << "EImportFinish.replay " << base << " success=" << success << dendl;
3023 mds->mdcache->finish_ambiguous_import(base);
3025 CDir *dir = mds->mdcache->get_dirfrag(base);
3027 vector<dirfrag_t> bounds;
3028 mds->mdcache->get_ambiguous_import_bounds(base, bounds);
3029 mds->mdcache->adjust_bounded_subtree_auth(dir, bounds, CDIR_AUTH_UNDEF);
3030 mds->mdcache->cancel_ambiguous_import(dir);
3031 mds->mdcache->try_trim_non_auth_subtree(dir);
3034 // this shouldn't happen unless this is an old journal
3035 dout(10) << "EImportFinish.replay " << base << " success=" << success
3036 << " on subtree not marked as ambiguous"
3038 mds->clog->error() << "failure replaying journal (EImportFinish)";
3040 ceph_abort(); // Should be unreachable because damaged() calls respawn()
3044 void EImportFinish::encode(bufferlist& bl, uint64_t features) const
3046 ENCODE_START(3, 3, bl);
3047 ::encode(stamp, bl);
3049 ::encode(success, bl);
3053 void EImportFinish::decode(bufferlist::iterator &bl)
3055 DECODE_START_LEGACY_COMPAT_LEN(3, 3, 3, bl);
3057 ::decode(stamp, bl);
3059 ::decode(success, bl);
3063 void EImportFinish::dump(Formatter *f) const
3065 f->dump_stream("base dirfrag") << base;
3066 f->dump_string("success", success ? "true" : "false");
3068 void EImportFinish::generate_test_instances(list<EImportFinish*>& ls)
3070 ls.push_back(new EImportFinish);
3071 ls.push_back(new EImportFinish);
3072 ls.back()->success = true;
3076 // ------------------------
3079 void EResetJournal::encode(bufferlist& bl, uint64_t features) const
3081 ENCODE_START(2, 2, bl);
3082 ::encode(stamp, bl);
3086 void EResetJournal::decode(bufferlist::iterator &bl)
3088 DECODE_START_LEGACY_COMPAT_LEN(2, 2, 2, bl);
3089 ::decode(stamp, bl);
3093 void EResetJournal::dump(Formatter *f) const
3095 f->dump_stream("timestamp") << stamp;
3098 void EResetJournal::generate_test_instances(list<EResetJournal*>& ls)
3100 ls.push_back(new EResetJournal());
3103 void EResetJournal::replay(MDSRank *mds)
3105 dout(1) << "EResetJournal" << dendl;
3107 mds->sessionmap.wipe();
3108 mds->inotable->replay_reset();
3110 if (mds->mdsmap->get_root() == mds->get_nodeid()) {
3111 CDir *rootdir = mds->mdcache->get_root()->get_or_open_dirfrag(mds->mdcache, frag_t());
3112 mds->mdcache->adjust_subtree_auth(rootdir, mds->get_nodeid());
3115 CDir *mydir = mds->mdcache->get_myin()->get_or_open_dirfrag(mds->mdcache, frag_t());
3116 mds->mdcache->adjust_subtree_auth(mydir, mds->get_nodeid());
3118 mds->mdcache->recalc_auth_bits(true);
3120 mds->mdcache->show_subtrees();
3124 void ENoOp::encode(bufferlist &bl, uint64_t features) const
3126 ENCODE_START(2, 2, bl);
3127 ::encode(pad_size, bl);
3128 uint8_t const pad = 0xff;
3129 for (unsigned int i = 0; i < pad_size; ++i) {
3136 void ENoOp::decode(bufferlist::iterator &bl)
3138 DECODE_START(2, bl);
3139 ::decode(pad_size, bl);
3140 if (bl.get_remaining() != pad_size) {
3141 // This is spiritually an assertion, but expressing in a way that will let
3142 // journal debug tools catch it and recognise a malformed entry.
3143 throw buffer::end_of_buffer();
3145 bl.advance(pad_size);
3151 void ENoOp::replay(MDSRank *mds)
3153 dout(4) << "ENoOp::replay, " << pad_size << " bytes skipped in journal" << dendl;
3157 * If re-formatting an old journal that used absolute log position
3158 * references as segment sequence numbers, use this function to update
3162 * MDSRank instance, just used for logging
3164 * Map of old journal segment sequence numbers to new journal segment sequence numbers
3167 * True if the event was modified.
3169 bool EMetaBlob::rewrite_truncate_finish(MDSRank const *mds,
3170 std::map<log_segment_seq_t, log_segment_seq_t> const &old_to_new)
3172 bool modified = false;
3173 map<inodeno_t, log_segment_seq_t> new_trunc_finish;
3174 for (std::map<inodeno_t, log_segment_seq_t>::iterator i = truncate_finish.begin();
3175 i != truncate_finish.end(); ++i) {
3176 if (old_to_new.count(i->second)) {
3177 dout(20) << __func__ << " applying segment seq mapping "
3178 << i->second << " -> " << old_to_new.find(i->second)->second << dendl;
3179 new_trunc_finish[i->first] = old_to_new.find(i->second)->second;
3182 dout(20) << __func__ << " no segment seq mapping found for "
3183 << i->second << dendl;
3184 new_trunc_finish[i->first] = i->second;
3187 truncate_finish = new_trunc_finish;