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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * | |
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. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include "include/int_types.h" | |
16 | #include "common/errno.h" | |
17 | ||
18 | #include <string> | |
19 | #include <stdio.h> | |
20 | ||
21 | #include "CInode.h" | |
22 | #include "CDir.h" | |
23 | #include "CDentry.h" | |
24 | ||
25 | #include "MDSRank.h" | |
26 | #include "MDCache.h" | |
27 | #include "MDLog.h" | |
28 | #include "Locker.h" | |
29 | #include "Mutation.h" | |
30 | ||
31 | #include "events/EUpdate.h" | |
32 | ||
33 | #include "osdc/Objecter.h" | |
34 | ||
35 | #include "snap.h" | |
36 | ||
37 | #include "LogSegment.h" | |
38 | ||
39 | #include "common/Clock.h" | |
40 | ||
7c673cae FG |
41 | #include "common/config.h" |
42 | #include "global/global_context.h" | |
11fdf7f2 | 43 | #include "include/ceph_assert.h" |
7c673cae FG |
44 | |
45 | #include "mds/MDSContinuation.h" | |
46 | #include "mds/InoTable.h" | |
11fdf7f2 | 47 | #include "cephfs_features.h" |
7c673cae FG |
48 | |
49 | #define dout_context g_ceph_context | |
50 | #define dout_subsys ceph_subsys_mds | |
51 | #undef dout_prefix | |
52 | #define dout_prefix *_dout << "mds." << mdcache->mds->get_nodeid() << ".cache.ino(" << inode.ino << ") " | |
53 | ||
54 | ||
55 | class CInodeIOContext : public MDSIOContextBase | |
56 | { | |
57 | protected: | |
58 | CInode *in; | |
59 | MDSRank *get_mds() override {return in->mdcache->mds;} | |
60 | public: | |
61 | explicit CInodeIOContext(CInode *in_) : in(in_) { | |
11fdf7f2 | 62 | ceph_assert(in != NULL); |
7c673cae FG |
63 | } |
64 | }; | |
65 | ||
11fdf7f2 | 66 | sr_t* const CInode::projected_inode::UNDEF_SRNODE = (sr_t*)(unsigned long)-1; |
7c673cae FG |
67 | |
68 | LockType CInode::versionlock_type(CEPH_LOCK_IVERSION); | |
69 | LockType CInode::authlock_type(CEPH_LOCK_IAUTH); | |
70 | LockType CInode::linklock_type(CEPH_LOCK_ILINK); | |
71 | LockType CInode::dirfragtreelock_type(CEPH_LOCK_IDFT); | |
72 | LockType CInode::filelock_type(CEPH_LOCK_IFILE); | |
73 | LockType CInode::xattrlock_type(CEPH_LOCK_IXATTR); | |
74 | LockType CInode::snaplock_type(CEPH_LOCK_ISNAP); | |
75 | LockType CInode::nestlock_type(CEPH_LOCK_INEST); | |
76 | LockType CInode::flocklock_type(CEPH_LOCK_IFLOCK); | |
77 | LockType CInode::policylock_type(CEPH_LOCK_IPOLICY); | |
78 | ||
9f95a23c TL |
79 | std::string_view CInode::pin_name(int p) const |
80 | { | |
81 | switch (p) { | |
82 | case PIN_DIRFRAG: return "dirfrag"; | |
83 | case PIN_CAPS: return "caps"; | |
84 | case PIN_IMPORTING: return "importing"; | |
85 | case PIN_OPENINGDIR: return "openingdir"; | |
86 | case PIN_REMOTEPARENT: return "remoteparent"; | |
87 | case PIN_BATCHOPENJOURNAL: return "batchopenjournal"; | |
88 | case PIN_SCATTERED: return "scattered"; | |
89 | case PIN_STICKYDIRS: return "stickydirs"; | |
90 | //case PIN_PURGING: return "purging"; | |
91 | case PIN_FREEZING: return "freezing"; | |
92 | case PIN_FROZEN: return "frozen"; | |
93 | case PIN_IMPORTINGCAPS: return "importingcaps"; | |
94 | case PIN_EXPORTINGCAPS: return "exportingcaps"; | |
95 | case PIN_PASTSNAPPARENT: return "pastsnapparent"; | |
96 | case PIN_OPENINGSNAPPARENTS: return "openingsnapparents"; | |
97 | case PIN_TRUNCATING: return "truncating"; | |
98 | case PIN_STRAY: return "stray"; | |
99 | case PIN_NEEDSNAPFLUSH: return "needsnapflush"; | |
100 | case PIN_DIRTYRSTAT: return "dirtyrstat"; | |
101 | case PIN_DIRTYPARENT: return "dirtyparent"; | |
102 | case PIN_DIRWAITER: return "dirwaiter"; | |
103 | case PIN_SCRUBQUEUE: return "scrubqueue"; | |
104 | default: return generic_pin_name(p); | |
105 | } | |
106 | } | |
107 | ||
7c673cae FG |
108 | //int cinode_pins[CINODE_NUM_PINS]; // counts |
109 | ostream& CInode::print_db_line_prefix(ostream& out) | |
110 | { | |
111 | return out << ceph_clock_now() << " mds." << mdcache->mds->get_nodeid() << ".cache.ino(" << inode.ino << ") "; | |
112 | } | |
113 | ||
114 | /* | |
115 | * write caps and lock ids | |
116 | */ | |
117 | struct cinode_lock_info_t cinode_lock_info[] = { | |
118 | { CEPH_LOCK_IFILE, CEPH_CAP_ANY_FILE_WR }, | |
119 | { CEPH_LOCK_IAUTH, CEPH_CAP_AUTH_EXCL }, | |
120 | { CEPH_LOCK_ILINK, CEPH_CAP_LINK_EXCL }, | |
121 | { CEPH_LOCK_IXATTR, CEPH_CAP_XATTR_EXCL }, | |
122 | }; | |
123 | int num_cinode_locks = sizeof(cinode_lock_info) / sizeof(cinode_lock_info[0]); | |
124 | ||
7c673cae FG |
125 | ostream& operator<<(ostream& out, const CInode& in) |
126 | { | |
127 | string path; | |
128 | in.make_path_string(path, true); | |
129 | ||
130 | out << "[inode " << in.inode.ino; | |
131 | out << " [" | |
132 | << (in.is_multiversion() ? "...":"") | |
133 | << in.first << "," << in.last << "]"; | |
134 | out << " " << path << (in.is_dir() ? "/":""); | |
135 | ||
136 | if (in.is_auth()) { | |
137 | out << " auth"; | |
138 | if (in.is_replicated()) | |
139 | out << in.get_replicas(); | |
140 | } else { | |
141 | mds_authority_t a = in.authority(); | |
142 | out << " rep@" << a.first; | |
143 | if (a.second != CDIR_AUTH_UNKNOWN) | |
144 | out << "," << a.second; | |
145 | out << "." << in.get_replica_nonce(); | |
146 | } | |
147 | ||
148 | if (in.is_symlink()) | |
149 | out << " symlink='" << in.symlink << "'"; | |
150 | if (in.is_dir() && !in.dirfragtree.empty()) | |
151 | out << " " << in.dirfragtree; | |
152 | ||
153 | out << " v" << in.get_version(); | |
154 | if (in.get_projected_version() > in.get_version()) | |
155 | out << " pv" << in.get_projected_version(); | |
156 | ||
11fdf7f2 TL |
157 | if (in.get_num_auth_pins()) { |
158 | out << " ap=" << in.get_num_auth_pins(); | |
7c673cae | 159 | #ifdef MDS_AUTHPIN_SET |
11fdf7f2 | 160 | in.print_authpin_set(out); |
7c673cae FG |
161 | #endif |
162 | } | |
163 | ||
164 | if (in.snaprealm) | |
165 | out << " snaprealm=" << in.snaprealm; | |
166 | ||
167 | if (in.state_test(CInode::STATE_AMBIGUOUSAUTH)) out << " AMBIGAUTH"; | |
168 | if (in.state_test(CInode::STATE_NEEDSRECOVER)) out << " needsrecover"; | |
169 | if (in.state_test(CInode::STATE_RECOVERING)) out << " recovering"; | |
170 | if (in.state_test(CInode::STATE_DIRTYPARENT)) out << " dirtyparent"; | |
171 | if (in.state_test(CInode::STATE_MISSINGOBJS)) out << " missingobjs"; | |
172 | if (in.is_freezing_inode()) out << " FREEZING=" << in.auth_pin_freeze_allowance; | |
173 | if (in.is_frozen_inode()) out << " FROZEN"; | |
174 | if (in.is_frozen_auth_pin()) out << " FROZEN_AUTHPIN"; | |
175 | ||
94b18763 | 176 | const CInode::mempool_inode *pi = in.get_projected_inode(); |
7c673cae FG |
177 | if (pi->is_truncating()) |
178 | out << " truncating(" << pi->truncate_from << " to " << pi->truncate_size << ")"; | |
179 | ||
180 | if (in.inode.is_dir()) { | |
181 | out << " " << in.inode.dirstat; | |
11fdf7f2 | 182 | if (g_conf()->mds_debug_scatterstat && in.is_projected()) { |
94b18763 | 183 | const CInode::mempool_inode *pi = in.get_projected_inode(); |
7c673cae FG |
184 | out << "->" << pi->dirstat; |
185 | } | |
186 | } else { | |
187 | out << " s=" << in.inode.size; | |
188 | if (in.inode.nlink != 1) | |
189 | out << " nl=" << in.inode.nlink; | |
190 | } | |
191 | ||
192 | // rstat | |
193 | out << " " << in.inode.rstat; | |
194 | if (!(in.inode.rstat == in.inode.accounted_rstat)) | |
195 | out << "/" << in.inode.accounted_rstat; | |
11fdf7f2 | 196 | if (g_conf()->mds_debug_scatterstat && in.is_projected()) { |
94b18763 | 197 | const CInode::mempool_inode *pi = in.get_projected_inode(); |
7c673cae FG |
198 | out << "->" << pi->rstat; |
199 | if (!(pi->rstat == pi->accounted_rstat)) | |
200 | out << "/" << pi->accounted_rstat; | |
201 | } | |
202 | ||
203 | if (!in.client_need_snapflush.empty()) | |
204 | out << " need_snapflush=" << in.client_need_snapflush; | |
205 | ||
206 | ||
207 | // locks | |
208 | if (!in.authlock.is_sync_and_unlocked()) | |
209 | out << " " << in.authlock; | |
210 | if (!in.linklock.is_sync_and_unlocked()) | |
211 | out << " " << in.linklock; | |
212 | if (in.inode.is_dir()) { | |
213 | if (!in.dirfragtreelock.is_sync_and_unlocked()) | |
214 | out << " " << in.dirfragtreelock; | |
215 | if (!in.snaplock.is_sync_and_unlocked()) | |
216 | out << " " << in.snaplock; | |
217 | if (!in.nestlock.is_sync_and_unlocked()) | |
218 | out << " " << in.nestlock; | |
219 | if (!in.policylock.is_sync_and_unlocked()) | |
220 | out << " " << in.policylock; | |
221 | } else { | |
222 | if (!in.flocklock.is_sync_and_unlocked()) | |
223 | out << " " << in.flocklock; | |
224 | } | |
225 | if (!in.filelock.is_sync_and_unlocked()) | |
226 | out << " " << in.filelock; | |
227 | if (!in.xattrlock.is_sync_and_unlocked()) | |
228 | out << " " << in.xattrlock; | |
229 | if (!in.versionlock.is_sync_and_unlocked()) | |
230 | out << " " << in.versionlock; | |
231 | ||
232 | // hack: spit out crap on which clients have caps | |
233 | if (in.inode.client_ranges.size()) | |
234 | out << " cr=" << in.inode.client_ranges; | |
235 | ||
236 | if (!in.get_client_caps().empty()) { | |
237 | out << " caps={"; | |
11fdf7f2 TL |
238 | bool first = true; |
239 | for (const auto &p : in.get_client_caps()) { | |
240 | if (!first) out << ","; | |
241 | out << p.first << "=" | |
242 | << ccap_string(p.second.pending()); | |
243 | if (p.second.issued() != p.second.pending()) | |
244 | out << "/" << ccap_string(p.second.issued()); | |
245 | out << "/" << ccap_string(p.second.wanted()) | |
246 | << "@" << p.second.get_last_seq(); | |
247 | first = false; | |
7c673cae FG |
248 | } |
249 | out << "}"; | |
250 | if (in.get_loner() >= 0 || in.get_wanted_loner() >= 0) { | |
251 | out << ",l=" << in.get_loner(); | |
252 | if (in.get_loner() != in.get_wanted_loner()) | |
253 | out << "(" << in.get_wanted_loner() << ")"; | |
254 | } | |
255 | } | |
256 | if (!in.get_mds_caps_wanted().empty()) { | |
257 | out << " mcw={"; | |
94b18763 FG |
258 | bool first = true; |
259 | for (const auto &p : in.get_mds_caps_wanted()) { | |
260 | if (!first) | |
7c673cae | 261 | out << ','; |
94b18763 FG |
262 | out << p.first << '=' << ccap_string(p.second); |
263 | first = false; | |
7c673cae FG |
264 | } |
265 | out << '}'; | |
266 | } | |
267 | ||
268 | if (in.get_num_ref()) { | |
269 | out << " |"; | |
270 | in.print_pin_set(out); | |
271 | } | |
272 | ||
273 | if (in.inode.export_pin != MDS_RANK_NONE) { | |
274 | out << " export_pin=" << in.inode.export_pin; | |
275 | } | |
276 | ||
277 | out << " " << ∈ | |
278 | out << "]"; | |
279 | return out; | |
280 | } | |
281 | ||
282 | ostream& operator<<(ostream& out, const CInode::scrub_stamp_info_t& si) | |
283 | { | |
284 | out << "{scrub_start_version: " << si.scrub_start_version | |
285 | << ", scrub_start_stamp: " << si.scrub_start_stamp | |
286 | << ", last_scrub_version: " << si.last_scrub_version | |
287 | << ", last_scrub_stamp: " << si.last_scrub_stamp; | |
288 | return out; | |
289 | } | |
290 | ||
11fdf7f2 TL |
291 | CInode::CInode(MDCache *c, bool auth, snapid_t f, snapid_t l) |
292 | : | |
293 | mdcache(c), | |
294 | first(f), last(l), | |
295 | item_dirty(this), | |
296 | item_caps(this), | |
297 | item_open_file(this), | |
298 | item_dirty_parent(this), | |
299 | item_dirty_dirfrag_dir(this), | |
300 | item_dirty_dirfrag_nest(this), | |
301 | item_dirty_dirfrag_dirfragtree(this), | |
302 | pop(c->decayrate), | |
303 | versionlock(this, &versionlock_type), | |
304 | authlock(this, &authlock_type), | |
305 | linklock(this, &linklock_type), | |
306 | dirfragtreelock(this, &dirfragtreelock_type), | |
307 | filelock(this, &filelock_type), | |
308 | xattrlock(this, &xattrlock_type), | |
309 | snaplock(this, &snaplock_type), | |
310 | nestlock(this, &nestlock_type), | |
311 | flocklock(this, &flocklock_type), | |
312 | policylock(this, &policylock_type) | |
313 | { | |
314 | if (auth) state_set(STATE_AUTH); | |
315 | } | |
7c673cae FG |
316 | |
317 | void CInode::print(ostream& out) | |
318 | { | |
319 | out << *this; | |
320 | } | |
321 | ||
7c673cae FG |
322 | void CInode::add_need_snapflush(CInode *snapin, snapid_t snapid, client_t client) |
323 | { | |
11fdf7f2 | 324 | dout(10) << __func__ << " client." << client << " snapid " << snapid << " on " << snapin << dendl; |
7c673cae FG |
325 | |
326 | if (client_need_snapflush.empty()) { | |
327 | get(CInode::PIN_NEEDSNAPFLUSH); | |
328 | ||
329 | // FIXME: this is non-optimal, as we'll block freezes/migrations for potentially | |
330 | // long periods waiting for clients to flush their snaps. | |
331 | auth_pin(this); // pin head inode... | |
332 | } | |
333 | ||
94b18763 | 334 | auto &clients = client_need_snapflush[snapid]; |
7c673cae FG |
335 | if (clients.empty()) |
336 | snapin->auth_pin(this); // ...and pin snapped/old inode! | |
337 | ||
338 | clients.insert(client); | |
339 | } | |
340 | ||
341 | void CInode::remove_need_snapflush(CInode *snapin, snapid_t snapid, client_t client) | |
342 | { | |
94b18763 FG |
343 | dout(10) << __func__ << " client." << client << " snapid " << snapid << " on " << snapin << dendl; |
344 | auto it = client_need_snapflush.find(snapid); | |
345 | if (it == client_need_snapflush.end()) { | |
7c673cae FG |
346 | dout(10) << " snapid not found" << dendl; |
347 | return; | |
348 | } | |
94b18763 FG |
349 | size_t n = it->second.erase(client); |
350 | if (n == 0) { | |
7c673cae FG |
351 | dout(10) << " client not found" << dendl; |
352 | return; | |
353 | } | |
94b18763 FG |
354 | if (it->second.empty()) { |
355 | client_need_snapflush.erase(it); | |
7c673cae FG |
356 | snapin->auth_unpin(this); |
357 | ||
358 | if (client_need_snapflush.empty()) { | |
359 | put(CInode::PIN_NEEDSNAPFLUSH); | |
360 | auth_unpin(this); | |
361 | } | |
362 | } | |
363 | } | |
364 | ||
494da23a | 365 | pair<bool,bool> CInode::split_need_snapflush(CInode *cowin, CInode *in) |
7c673cae | 366 | { |
11fdf7f2 | 367 | dout(10) << __func__ << " [" << cowin->first << "," << cowin->last << "] for " << *cowin << dendl; |
494da23a TL |
368 | bool cowin_need_flush = false; |
369 | bool orig_need_flush = false; | |
370 | auto it = client_need_snapflush.lower_bound(cowin->first); | |
371 | while (it != client_need_snapflush.end() && it->first < in->first) { | |
11fdf7f2 | 372 | ceph_assert(!it->second.empty()); |
94b18763 | 373 | if (cowin->last >= it->first) { |
7c673cae | 374 | cowin->auth_pin(this); |
494da23a | 375 | cowin_need_flush = true; |
94b18763 FG |
376 | ++it; |
377 | } else { | |
378 | it = client_need_snapflush.erase(it); | |
379 | } | |
7c673cae FG |
380 | in->auth_unpin(this); |
381 | } | |
494da23a TL |
382 | |
383 | if (it != client_need_snapflush.end() && it->first <= in->last) | |
384 | orig_need_flush = true; | |
385 | ||
386 | return make_pair(cowin_need_flush, orig_need_flush); | |
7c673cae FG |
387 | } |
388 | ||
389 | void CInode::mark_dirty_rstat() | |
390 | { | |
391 | if (!state_test(STATE_DIRTYRSTAT)) { | |
11fdf7f2 | 392 | dout(10) << __func__ << dendl; |
7c673cae FG |
393 | state_set(STATE_DIRTYRSTAT); |
394 | get(PIN_DIRTYRSTAT); | |
224ce89b WB |
395 | CDentry *pdn = get_projected_parent_dn(); |
396 | if (pdn->is_auth()) { | |
397 | CDir *pdir = pdn->dir; | |
398 | pdir->dirty_rstat_inodes.push_back(&dirty_rstat_item); | |
399 | mdcache->mds->locker->mark_updated_scatterlock(&pdir->inode->nestlock); | |
400 | } else { | |
401 | // under cross-MDS rename. | |
402 | // DIRTYRSTAT flag will get cleared when rename finishes | |
11fdf7f2 | 403 | ceph_assert(state_test(STATE_AMBIGUOUSAUTH)); |
224ce89b | 404 | } |
7c673cae FG |
405 | } |
406 | } | |
407 | void CInode::clear_dirty_rstat() | |
408 | { | |
409 | if (state_test(STATE_DIRTYRSTAT)) { | |
11fdf7f2 | 410 | dout(10) << __func__ << dendl; |
7c673cae FG |
411 | state_clear(STATE_DIRTYRSTAT); |
412 | put(PIN_DIRTYRSTAT); | |
413 | dirty_rstat_item.remove_myself(); | |
414 | } | |
415 | } | |
416 | ||
94b18763 FG |
417 | CInode::projected_inode &CInode::project_inode(bool xattr, bool snap) |
418 | { | |
11fdf7f2 TL |
419 | auto &pi = projected_nodes.empty() ? |
420 | projected_nodes.emplace_back(inode) : | |
94b18763 | 421 | projected_nodes.emplace_back(projected_nodes.back().inode); |
7c673cae FG |
422 | |
423 | if (scrub_infop && scrub_infop->last_scrub_dirty) { | |
94b18763 FG |
424 | pi.inode.last_scrub_stamp = scrub_infop->last_scrub_stamp; |
425 | pi.inode.last_scrub_version = scrub_infop->last_scrub_version; | |
7c673cae FG |
426 | scrub_infop->last_scrub_dirty = false; |
427 | scrub_maybe_delete_info(); | |
428 | } | |
94b18763 FG |
429 | |
430 | if (xattr) { | |
431 | pi.xattrs.reset(new mempool_xattr_map(*get_projected_xattrs())); | |
432 | ++num_projected_xattrs; | |
433 | } | |
434 | ||
435 | if (snap) { | |
11fdf7f2 | 436 | project_snaprealm(); |
94b18763 FG |
437 | } |
438 | ||
439 | dout(15) << __func__ << " " << pi.inode.ino << dendl; | |
440 | return pi; | |
7c673cae FG |
441 | } |
442 | ||
443 | void CInode::pop_and_dirty_projected_inode(LogSegment *ls) | |
444 | { | |
11fdf7f2 | 445 | ceph_assert(!projected_nodes.empty()); |
94b18763 FG |
446 | auto &front = projected_nodes.front(); |
447 | dout(15) << __func__ << " " << front.inode.ino | |
448 | << " v" << front.inode.version << dendl; | |
7c673cae FG |
449 | int64_t old_pool = inode.layout.pool_id; |
450 | ||
94b18763 | 451 | mark_dirty(front.inode.version, ls); |
f64942e4 | 452 | bool new_export_pin = inode.export_pin != front.inode.export_pin; |
94b18763 | 453 | inode = front.inode; |
f64942e4 AA |
454 | if (new_export_pin) |
455 | maybe_export_pin(true); | |
7c673cae FG |
456 | |
457 | if (inode.is_backtrace_updated()) | |
28e407b8 | 458 | mark_dirty_parent(ls, old_pool != inode.layout.pool_id); |
7c673cae | 459 | |
94b18763 | 460 | if (front.xattrs) { |
7c673cae | 461 | --num_projected_xattrs; |
94b18763 | 462 | xattrs = *front.xattrs; |
7c673cae FG |
463 | } |
464 | ||
11fdf7f2 TL |
465 | if (projected_nodes.front().snapnode != projected_inode::UNDEF_SRNODE) { |
466 | pop_projected_snaprealm(projected_nodes.front().snapnode, false); | |
7c673cae FG |
467 | --num_projected_srnodes; |
468 | } | |
469 | ||
7c673cae FG |
470 | projected_nodes.pop_front(); |
471 | } | |
472 | ||
9f95a23c TL |
473 | CInode::mempool_xattr_map *CInode::get_projected_xattrs() |
474 | { | |
475 | if (num_projected_xattrs > 0) { | |
476 | for (auto it = projected_nodes.rbegin(); it != projected_nodes.rend(); ++it) | |
477 | if (it->xattrs) | |
478 | return it->xattrs.get(); | |
479 | } | |
480 | return &xattrs; | |
481 | } | |
482 | ||
483 | CInode::mempool_xattr_map *CInode::get_previous_projected_xattrs() | |
484 | { | |
485 | if (num_projected_xattrs > 0) { | |
486 | for (auto it = ++projected_nodes.rbegin(); it != projected_nodes.rend(); ++it) | |
487 | if (it->xattrs) | |
488 | return it->xattrs.get(); | |
489 | } | |
490 | return &xattrs; | |
491 | } | |
492 | ||
11fdf7f2 TL |
493 | sr_t *CInode::prepare_new_srnode(snapid_t snapid) |
494 | { | |
495 | const sr_t *cur_srnode = get_projected_srnode(); | |
496 | sr_t *new_srnode; | |
497 | ||
498 | if (cur_srnode) { | |
499 | new_srnode = new sr_t(*cur_srnode); | |
500 | if (!new_srnode->past_parents.empty()) { | |
501 | // convert past_parents to past_parent_snaps | |
502 | ceph_assert(snaprealm); | |
503 | auto& snaps = snaprealm->get_snaps(); | |
504 | for (auto p : snaps) { | |
505 | if (p >= new_srnode->current_parent_since) | |
506 | break; | |
507 | if (!new_srnode->snaps.count(p)) | |
508 | new_srnode->past_parent_snaps.insert(p); | |
509 | } | |
510 | new_srnode->seq = snaprealm->get_newest_seq(); | |
511 | new_srnode->past_parents.clear(); | |
512 | } | |
513 | if (snaprealm) | |
514 | snaprealm->past_parents_dirty = false; | |
515 | } else { | |
516 | if (snapid == 0) | |
517 | snapid = mdcache->get_global_snaprealm()->get_newest_seq(); | |
518 | new_srnode = new sr_t(); | |
519 | new_srnode->seq = snapid; | |
520 | new_srnode->created = snapid; | |
521 | new_srnode->current_parent_since = get_oldest_snap(); | |
522 | } | |
523 | return new_srnode; | |
524 | } | |
525 | ||
9f95a23c TL |
526 | const sr_t *CInode::get_projected_srnode() const { |
527 | if (num_projected_srnodes > 0) { | |
528 | for (auto it = projected_nodes.rbegin(); it != projected_nodes.rend(); ++it) | |
529 | if (it->snapnode != projected_inode::UNDEF_SRNODE) | |
530 | return it->snapnode; | |
531 | } | |
532 | if (snaprealm) | |
533 | return &snaprealm->srnode; | |
534 | else | |
535 | return NULL; | |
536 | } | |
537 | ||
11fdf7f2 TL |
538 | void CInode::project_snaprealm(sr_t *new_srnode) |
539 | { | |
540 | dout(10) << __func__ << " " << new_srnode << dendl; | |
541 | ceph_assert(projected_nodes.back().snapnode == projected_inode::UNDEF_SRNODE); | |
542 | projected_nodes.back().snapnode = new_srnode; | |
543 | ++num_projected_srnodes; | |
544 | } | |
545 | ||
546 | void CInode::mark_snaprealm_global(sr_t *new_srnode) | |
547 | { | |
548 | ceph_assert(!is_dir()); | |
549 | // 'last_destroyed' is no longer used, use it to store origin 'current_parent_since' | |
550 | new_srnode->last_destroyed = new_srnode->current_parent_since; | |
551 | new_srnode->current_parent_since = mdcache->get_global_snaprealm()->get_newest_seq() + 1; | |
552 | new_srnode->mark_parent_global(); | |
553 | } | |
554 | ||
555 | void CInode::clear_snaprealm_global(sr_t *new_srnode) | |
556 | { | |
557 | // restore 'current_parent_since' | |
558 | new_srnode->current_parent_since = new_srnode->last_destroyed; | |
559 | new_srnode->last_destroyed = 0; | |
560 | new_srnode->seq = mdcache->get_global_snaprealm()->get_newest_seq(); | |
561 | new_srnode->clear_parent_global(); | |
562 | } | |
563 | ||
564 | bool CInode::is_projected_snaprealm_global() const | |
565 | { | |
566 | const sr_t *srnode = get_projected_srnode(); | |
567 | if (srnode && srnode->is_parent_global()) | |
568 | return true; | |
569 | return false; | |
570 | } | |
571 | ||
572 | void CInode::project_snaprealm_past_parent(SnapRealm *newparent) | |
573 | { | |
574 | sr_t *new_snap = project_snaprealm(); | |
575 | record_snaprealm_past_parent(new_snap, newparent); | |
576 | } | |
577 | ||
578 | ||
7c673cae FG |
579 | /* if newparent != parent, add parent to past_parents |
580 | if parent DNE, we need to find what the parent actually is and fill that in */ | |
11fdf7f2 | 581 | void CInode::record_snaprealm_past_parent(sr_t *new_snap, SnapRealm *newparent) |
7c673cae | 582 | { |
11fdf7f2 | 583 | ceph_assert(!new_snap->is_parent_global()); |
7c673cae FG |
584 | SnapRealm *oldparent; |
585 | if (!snaprealm) { | |
586 | oldparent = find_snaprealm(); | |
11fdf7f2 | 587 | } else { |
7c673cae | 588 | oldparent = snaprealm->parent; |
11fdf7f2 | 589 | } |
7c673cae FG |
590 | |
591 | if (newparent != oldparent) { | |
592 | snapid_t oldparentseq = oldparent->get_newest_seq(); | |
11fdf7f2 TL |
593 | if (oldparentseq + 1 > new_snap->current_parent_since) { |
594 | // copy old parent's snaps | |
595 | const set<snapid_t>& snaps = oldparent->get_snaps(); | |
596 | auto p = snaps.lower_bound(new_snap->current_parent_since); | |
597 | if (p != snaps.end()) | |
598 | new_snap->past_parent_snaps.insert(p, snaps.end()); | |
599 | if (oldparentseq > new_snap->seq) | |
600 | new_snap->seq = oldparentseq; | |
7c673cae | 601 | } |
11fdf7f2 | 602 | new_snap->current_parent_since = mdcache->get_global_snaprealm()->get_newest_seq() + 1; |
7c673cae FG |
603 | } |
604 | } | |
605 | ||
11fdf7f2 TL |
606 | void CInode::record_snaprealm_parent_dentry(sr_t *new_snap, SnapRealm *newparent, |
607 | CDentry *dn, bool primary_dn) | |
7c673cae | 608 | { |
11fdf7f2 TL |
609 | ceph_assert(new_snap->is_parent_global()); |
610 | SnapRealm *oldparent = dn->get_dir()->inode->find_snaprealm(); | |
611 | auto& snaps = oldparent->get_snaps(); | |
612 | ||
613 | if (!primary_dn) { | |
614 | auto p = snaps.lower_bound(dn->first); | |
615 | if (p != snaps.end()) | |
616 | new_snap->past_parent_snaps.insert(p, snaps.end()); | |
617 | } else if (newparent != oldparent) { | |
618 | // 'last_destroyed' is used as 'current_parent_since' | |
619 | auto p = snaps.lower_bound(new_snap->last_destroyed); | |
620 | if (p != snaps.end()) | |
621 | new_snap->past_parent_snaps.insert(p, snaps.end()); | |
622 | new_snap->last_destroyed = mdcache->get_global_snaprealm()->get_newest_seq() + 1; | |
623 | } | |
624 | } | |
7c673cae | 625 | |
11fdf7f2 TL |
626 | void CInode::early_pop_projected_snaprealm() |
627 | { | |
628 | ceph_assert(!projected_nodes.empty()); | |
629 | if (projected_nodes.front().snapnode != projected_inode::UNDEF_SRNODE) { | |
630 | pop_projected_snaprealm(projected_nodes.front().snapnode, true); | |
631 | projected_nodes.front().snapnode = projected_inode::UNDEF_SRNODE; | |
632 | --num_projected_srnodes; | |
7c673cae | 633 | } |
11fdf7f2 | 634 | } |
7c673cae | 635 | |
11fdf7f2 TL |
636 | void CInode::pop_projected_snaprealm(sr_t *next_snaprealm, bool early) |
637 | { | |
638 | if (next_snaprealm) { | |
639 | dout(10) << __func__ << (early ? " (early) " : " ") | |
640 | << next_snaprealm << " seq " << next_snaprealm->seq << dendl; | |
641 | bool invalidate_cached_snaps = false; | |
642 | if (!snaprealm) { | |
643 | open_snaprealm(); | |
644 | } else if (!snaprealm->srnode.past_parents.empty()) { | |
645 | invalidate_cached_snaps = true; | |
646 | // re-open past parents | |
647 | snaprealm->close_parents(); | |
648 | ||
649 | dout(10) << " realm " << *snaprealm << " past_parents " << snaprealm->srnode.past_parents | |
650 | << " -> " << next_snaprealm->past_parents << dendl; | |
651 | } | |
652 | auto old_flags = snaprealm->srnode.flags; | |
653 | snaprealm->srnode = *next_snaprealm; | |
654 | delete next_snaprealm; | |
7c673cae | 655 | |
11fdf7f2 TL |
656 | if ((snaprealm->srnode.flags ^ old_flags) & sr_t::PARENT_GLOBAL) { |
657 | snaprealm->close_parents(); | |
658 | snaprealm->adjust_parent(); | |
659 | } | |
7c673cae | 660 | |
11fdf7f2 TL |
661 | // we should be able to open these up (or have them already be open). |
662 | bool ok = snaprealm->_open_parents(NULL); | |
663 | ceph_assert(ok); | |
664 | ||
665 | if (invalidate_cached_snaps) | |
666 | snaprealm->invalidate_cached_snaps(); | |
667 | ||
668 | if (snaprealm->parent) | |
669 | dout(10) << " realm " << *snaprealm << " parent " << *snaprealm->parent << dendl; | |
670 | } else { | |
671 | dout(10) << __func__ << (early ? " (early) null" : " null") << dendl; | |
672 | ceph_assert(snaprealm); | |
673 | snaprealm->merge_to(NULL); | |
674 | } | |
7c673cae FG |
675 | } |
676 | ||
677 | ||
678 | // ====== CInode ======= | |
679 | ||
680 | // dirfrags | |
681 | ||
11fdf7f2 | 682 | __u32 InodeStoreBase::hash_dentry_name(std::string_view dn) |
7c673cae FG |
683 | { |
684 | int which = inode.dir_layout.dl_dir_hash; | |
685 | if (!which) | |
686 | which = CEPH_STR_HASH_LINUX; | |
11fdf7f2 | 687 | ceph_assert(ceph_str_hash_valid(which)); |
7c673cae FG |
688 | return ceph_str_hash(which, dn.data(), dn.length()); |
689 | } | |
690 | ||
11fdf7f2 | 691 | frag_t InodeStoreBase::pick_dirfrag(std::string_view dn) |
7c673cae FG |
692 | { |
693 | if (dirfragtree.empty()) | |
694 | return frag_t(); // avoid the string hash if we can. | |
695 | ||
696 | __u32 h = hash_dentry_name(dn); | |
697 | return dirfragtree[h]; | |
698 | } | |
699 | ||
9f95a23c | 700 | std::pair<bool, std::vector<CDir*>> CInode::get_dirfrags_under(frag_t fg) |
7c673cae | 701 | { |
9f95a23c TL |
702 | std::pair<bool, std::vector<CDir*>> result; |
703 | auto& all = result.first; | |
704 | auto& dirs = result.second; | |
705 | all = false; | |
706 | ||
707 | if (auto it = dirfrags.find(fg); it != dirfrags.end()){ | |
708 | all = true; | |
709 | dirs.push_back(it->second); | |
710 | return result; | |
7c673cae | 711 | } |
9f95a23c TL |
712 | |
713 | int total = 0; | |
714 | for(auto &[_fg, _dir] : dirfrags){ | |
715 | // frag_t.bits() can indicate the depth of the partition in the directory tree | |
716 | // e.g. | |
717 | // 01* : bit = 2, on the second floor | |
718 | // * | |
719 | // 0* 1* | |
720 | // 00* 01* 10* 11* -- > level 2, bit = 2 | |
721 | // so fragA.bits > fragB.bits means fragA is deeper than fragB | |
722 | ||
723 | if (fg.bits() >= _fg.bits()) { | |
724 | if (_fg.contains(fg)) { | |
725 | all = true; | |
726 | return result; | |
727 | } | |
728 | } else { | |
729 | if (fg.contains(_fg)) { | |
730 | dirs.push_back(_dir); | |
731 | // we can calculate how many sub slices a slice can be divided into | |
732 | // frag_t(*) can be divided into two frags belonging to the first layer(0* 1*) | |
733 | // or 2^2 frags belonging to the second layer(00* 01* 10* 11*) | |
734 | // or (1 << (24 - frag_t(*).bits)) frags belonging to the 24th level | |
735 | total += 1 << (24 - _fg.bits()); | |
11fdf7f2 | 736 | } |
7c673cae | 737 | } |
94b18763 | 738 | } |
7c673cae | 739 | |
9f95a23c TL |
740 | // we convert all the frags into the frags of 24th layer to calculate whether all the frags are included in the memory cache |
741 | all = ((1<<(24-fg.bits())) == total); | |
742 | return result; | |
7c673cae FG |
743 | } |
744 | ||
745 | void CInode::verify_dirfrags() | |
746 | { | |
747 | bool bad = false; | |
94b18763 FG |
748 | for (const auto &p : dirfrags) { |
749 | if (!dirfragtree.is_leaf(p.first)) { | |
750 | dout(0) << "have open dirfrag " << p.first << " but not leaf in " << dirfragtree | |
751 | << ": " << *p.second << dendl; | |
7c673cae FG |
752 | bad = true; |
753 | } | |
754 | } | |
11fdf7f2 | 755 | ceph_assert(!bad); |
7c673cae FG |
756 | } |
757 | ||
758 | void CInode::force_dirfrags() | |
759 | { | |
760 | bool bad = false; | |
94b18763 FG |
761 | for (auto &p : dirfrags) { |
762 | if (!dirfragtree.is_leaf(p.first)) { | |
763 | dout(0) << "have open dirfrag " << p.first << " but not leaf in " << dirfragtree | |
764 | << ": " << *p.second << dendl; | |
7c673cae FG |
765 | bad = true; |
766 | } | |
767 | } | |
768 | ||
769 | if (bad) { | |
11fdf7f2 | 770 | frag_vec_t leaves; |
7c673cae | 771 | dirfragtree.get_leaves(leaves); |
11fdf7f2 TL |
772 | for (const auto& leaf : leaves) { |
773 | mdcache->get_force_dirfrag(dirfrag_t(ino(), leaf), true); | |
774 | } | |
7c673cae FG |
775 | } |
776 | ||
777 | verify_dirfrags(); | |
778 | } | |
779 | ||
780 | CDir *CInode::get_approx_dirfrag(frag_t fg) | |
781 | { | |
782 | CDir *dir = get_dirfrag(fg); | |
783 | if (dir) return dir; | |
784 | ||
785 | // find a child? | |
9f95a23c TL |
786 | auto&& p = get_dirfrags_under(fg); |
787 | if (!p.second.empty()) | |
788 | return p.second.front(); | |
7c673cae FG |
789 | |
790 | // try parents? | |
791 | while (fg.bits() > 0) { | |
792 | fg = fg.parent(); | |
793 | dir = get_dirfrag(fg); | |
794 | if (dir) return dir; | |
795 | } | |
796 | return NULL; | |
797 | } | |
798 | ||
7c673cae FG |
799 | CDir *CInode::get_or_open_dirfrag(MDCache *mdcache, frag_t fg) |
800 | { | |
11fdf7f2 | 801 | ceph_assert(is_dir()); |
7c673cae FG |
802 | |
803 | // have it? | |
804 | CDir *dir = get_dirfrag(fg); | |
805 | if (!dir) { | |
806 | // create it. | |
11fdf7f2 | 807 | ceph_assert(is_auth() || mdcache->mds->is_any_replay()); |
7c673cae FG |
808 | dir = new CDir(this, fg, mdcache, is_auth()); |
809 | add_dirfrag(dir); | |
810 | } | |
811 | return dir; | |
812 | } | |
813 | ||
814 | CDir *CInode::add_dirfrag(CDir *dir) | |
815 | { | |
11fdf7f2 TL |
816 | auto em = dirfrags.emplace(std::piecewise_construct, std::forward_as_tuple(dir->dirfrag().frag), std::forward_as_tuple(dir)); |
817 | ceph_assert(em.second); | |
7c673cae FG |
818 | |
819 | if (stickydir_ref > 0) { | |
820 | dir->state_set(CDir::STATE_STICKY); | |
821 | dir->get(CDir::PIN_STICKY); | |
822 | } | |
823 | ||
824 | maybe_export_pin(); | |
825 | ||
826 | return dir; | |
827 | } | |
828 | ||
829 | void CInode::close_dirfrag(frag_t fg) | |
830 | { | |
11fdf7f2 TL |
831 | dout(14) << __func__ << " " << fg << dendl; |
832 | ceph_assert(dirfrags.count(fg)); | |
7c673cae FG |
833 | |
834 | CDir *dir = dirfrags[fg]; | |
835 | dir->remove_null_dentries(); | |
836 | ||
837 | // clear dirty flag | |
838 | if (dir->is_dirty()) | |
839 | dir->mark_clean(); | |
840 | ||
841 | if (stickydir_ref > 0) { | |
842 | dir->state_clear(CDir::STATE_STICKY); | |
843 | dir->put(CDir::PIN_STICKY); | |
844 | } | |
1adf2230 AA |
845 | |
846 | if (dir->is_subtree_root()) | |
847 | num_subtree_roots--; | |
7c673cae FG |
848 | |
849 | // dump any remaining dentries, for debugging purposes | |
94b18763 FG |
850 | for (const auto &p : dir->items) |
851 | dout(14) << __func__ << " LEFTOVER dn " << *p.second << dendl; | |
7c673cae | 852 | |
11fdf7f2 | 853 | ceph_assert(dir->get_num_ref() == 0); |
7c673cae FG |
854 | delete dir; |
855 | dirfrags.erase(fg); | |
856 | } | |
857 | ||
858 | void CInode::close_dirfrags() | |
859 | { | |
860 | while (!dirfrags.empty()) | |
861 | close_dirfrag(dirfrags.begin()->first); | |
862 | } | |
863 | ||
864 | bool CInode::has_subtree_root_dirfrag(int auth) | |
865 | { | |
1adf2230 AA |
866 | if (num_subtree_roots > 0) { |
867 | if (auth == -1) | |
7c673cae | 868 | return true; |
1adf2230 AA |
869 | for (const auto &p : dirfrags) { |
870 | if (p.second->is_subtree_root() && | |
871 | p.second->dir_auth.first == auth) | |
872 | return true; | |
873 | } | |
94b18763 | 874 | } |
7c673cae FG |
875 | return false; |
876 | } | |
877 | ||
878 | bool CInode::has_subtree_or_exporting_dirfrag() | |
879 | { | |
1adf2230 AA |
880 | if (num_subtree_roots > 0 || num_exporting_dirs > 0) |
881 | return true; | |
7c673cae FG |
882 | return false; |
883 | } | |
884 | ||
885 | void CInode::get_stickydirs() | |
886 | { | |
887 | if (stickydir_ref == 0) { | |
888 | get(PIN_STICKYDIRS); | |
94b18763 FG |
889 | for (const auto &p : dirfrags) { |
890 | p.second->state_set(CDir::STATE_STICKY); | |
891 | p.second->get(CDir::PIN_STICKY); | |
7c673cae FG |
892 | } |
893 | } | |
894 | stickydir_ref++; | |
895 | } | |
896 | ||
897 | void CInode::put_stickydirs() | |
898 | { | |
11fdf7f2 | 899 | ceph_assert(stickydir_ref > 0); |
7c673cae FG |
900 | stickydir_ref--; |
901 | if (stickydir_ref == 0) { | |
902 | put(PIN_STICKYDIRS); | |
94b18763 FG |
903 | for (const auto &p : dirfrags) { |
904 | p.second->state_clear(CDir::STATE_STICKY); | |
905 | p.second->put(CDir::PIN_STICKY); | |
7c673cae FG |
906 | } |
907 | } | |
908 | } | |
909 | ||
910 | ||
911 | ||
912 | ||
913 | ||
914 | // pins | |
915 | ||
916 | void CInode::first_get() | |
917 | { | |
918 | // pin my dentry? | |
919 | if (parent) | |
920 | parent->get(CDentry::PIN_INODEPIN); | |
921 | } | |
922 | ||
923 | void CInode::last_put() | |
924 | { | |
925 | // unpin my dentry? | |
926 | if (parent) | |
927 | parent->put(CDentry::PIN_INODEPIN); | |
928 | } | |
929 | ||
930 | void CInode::_put() | |
931 | { | |
932 | if (get_num_ref() == (int)is_dirty() + (int)is_dirty_parent()) | |
933 | mdcache->maybe_eval_stray(this, true); | |
934 | } | |
935 | ||
936 | void CInode::add_remote_parent(CDentry *p) | |
937 | { | |
938 | if (remote_parents.empty()) | |
939 | get(PIN_REMOTEPARENT); | |
940 | remote_parents.insert(p); | |
941 | } | |
942 | void CInode::remove_remote_parent(CDentry *p) | |
943 | { | |
944 | remote_parents.erase(p); | |
945 | if (remote_parents.empty()) | |
946 | put(PIN_REMOTEPARENT); | |
947 | } | |
948 | ||
949 | ||
950 | ||
951 | ||
952 | CDir *CInode::get_parent_dir() | |
953 | { | |
954 | if (parent) | |
955 | return parent->dir; | |
956 | return NULL; | |
957 | } | |
958 | CDir *CInode::get_projected_parent_dir() | |
959 | { | |
960 | CDentry *p = get_projected_parent_dn(); | |
961 | if (p) | |
962 | return p->dir; | |
963 | return NULL; | |
964 | } | |
965 | CInode *CInode::get_parent_inode() | |
966 | { | |
967 | if (parent) | |
968 | return parent->dir->inode; | |
969 | return NULL; | |
970 | } | |
971 | ||
11fdf7f2 | 972 | bool CInode::is_ancestor_of(const CInode *other) const |
7c673cae FG |
973 | { |
974 | while (other) { | |
975 | if (other == this) | |
976 | return true; | |
11fdf7f2 TL |
977 | const CDentry *pdn = other->get_oldest_parent_dn(); |
978 | if (!pdn) { | |
979 | ceph_assert(other->is_base()); | |
7c673cae | 980 | break; |
11fdf7f2 TL |
981 | } |
982 | other = pdn->get_dir()->get_inode(); | |
983 | } | |
984 | return false; | |
985 | } | |
986 | ||
987 | bool CInode::is_projected_ancestor_of(const CInode *other) const | |
988 | { | |
989 | while (other) { | |
990 | if (other == this) | |
991 | return true; | |
992 | const CDentry *pdn = other->get_projected_parent_dn(); | |
993 | if (!pdn) { | |
994 | ceph_assert(other->is_base()); | |
995 | break; | |
996 | } | |
997 | other = pdn->get_dir()->get_inode(); | |
7c673cae FG |
998 | } |
999 | return false; | |
1000 | } | |
1001 | ||
1002 | /* | |
1003 | * Because a non-directory inode may have multiple links, the use_parent | |
1004 | * argument allows selecting which parent to use for path construction. This | |
1005 | * argument is only meaningful for the final component (i.e. the first of the | |
1006 | * nested calls) because directories cannot have multiple hard links. If | |
1007 | * use_parent is NULL and projected is true, the primary parent's projected | |
1008 | * inode is used all the way up the path chain. Otherwise the primary parent | |
1009 | * stable inode is used. | |
1010 | */ | |
1011 | void CInode::make_path_string(string& s, bool projected, const CDentry *use_parent) const | |
1012 | { | |
1013 | if (!use_parent) { | |
1014 | use_parent = projected ? get_projected_parent_dn() : parent; | |
1015 | } | |
1016 | ||
1017 | if (use_parent) { | |
1018 | use_parent->make_path_string(s, projected); | |
1019 | } else if (is_root()) { | |
1020 | s = ""; | |
1021 | } else if (is_mdsdir()) { | |
1022 | char t[40]; | |
1023 | uint64_t eino(ino()); | |
1024 | eino -= MDS_INO_MDSDIR_OFFSET; | |
1025 | snprintf(t, sizeof(t), "~mds%" PRId64, eino); | |
1026 | s = t; | |
1027 | } else { | |
1028 | char n[40]; | |
1029 | uint64_t eino(ino()); | |
1030 | snprintf(n, sizeof(n), "#%" PRIx64, eino); | |
1031 | s += n; | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | void CInode::make_path(filepath& fp, bool projected) const | |
1036 | { | |
1037 | const CDentry *use_parent = projected ? get_projected_parent_dn() : parent; | |
1038 | if (use_parent) { | |
11fdf7f2 | 1039 | ceph_assert(!is_base()); |
7c673cae FG |
1040 | use_parent->make_path(fp, projected); |
1041 | } else { | |
1042 | fp = filepath(ino()); | |
1043 | } | |
1044 | } | |
1045 | ||
1046 | void CInode::name_stray_dentry(string& dname) | |
1047 | { | |
1048 | char s[20]; | |
1049 | snprintf(s, sizeof(s), "%llx", (unsigned long long)inode.ino.val); | |
1050 | dname = s; | |
1051 | } | |
1052 | ||
1053 | version_t CInode::pre_dirty() | |
1054 | { | |
1055 | version_t pv; | |
1056 | CDentry* _cdentry = get_projected_parent_dn(); | |
1057 | if (_cdentry) { | |
1058 | pv = _cdentry->pre_dirty(get_projected_version()); | |
1059 | dout(10) << "pre_dirty " << pv << " (current v " << inode.version << ")" << dendl; | |
1060 | } else { | |
11fdf7f2 | 1061 | ceph_assert(is_base()); |
7c673cae FG |
1062 | pv = get_projected_version() + 1; |
1063 | } | |
94b18763 | 1064 | // force update backtrace for old format inode (see mempool_inode::decode) |
7c673cae | 1065 | if (inode.backtrace_version == 0 && !projected_nodes.empty()) { |
94b18763 FG |
1066 | mempool_inode &pi = projected_nodes.back().inode; |
1067 | if (pi.backtrace_version == 0) | |
1068 | pi.update_backtrace(pv); | |
7c673cae FG |
1069 | } |
1070 | return pv; | |
1071 | } | |
1072 | ||
1073 | void CInode::_mark_dirty(LogSegment *ls) | |
1074 | { | |
1075 | if (!state_test(STATE_DIRTY)) { | |
1076 | state_set(STATE_DIRTY); | |
1077 | get(PIN_DIRTY); | |
11fdf7f2 | 1078 | ceph_assert(ls); |
7c673cae FG |
1079 | } |
1080 | ||
1081 | // move myself to this segment's dirty list | |
1082 | if (ls) | |
1083 | ls->dirty_inodes.push_back(&item_dirty); | |
1084 | } | |
1085 | ||
1086 | void CInode::mark_dirty(version_t pv, LogSegment *ls) { | |
1087 | ||
11fdf7f2 | 1088 | dout(10) << __func__ << " " << *this << dendl; |
7c673cae FG |
1089 | |
1090 | /* | |
1091 | NOTE: I may already be dirty, but this fn _still_ needs to be called so that | |
1092 | the directory is (perhaps newly) dirtied, and so that parent_dir_version is | |
1093 | updated below. | |
1094 | */ | |
1095 | ||
1096 | // only auth can get dirty. "dirty" async data in replicas is relative to | |
1097 | // filelock state, not the dirty flag. | |
11fdf7f2 | 1098 | ceph_assert(is_auth()); |
7c673cae FG |
1099 | |
1100 | // touch my private version | |
11fdf7f2 | 1101 | ceph_assert(inode.version < pv); |
7c673cae FG |
1102 | inode.version = pv; |
1103 | _mark_dirty(ls); | |
1104 | ||
1105 | // mark dentry too | |
1106 | if (parent) | |
1107 | parent->mark_dirty(pv, ls); | |
1108 | } | |
1109 | ||
1110 | ||
1111 | void CInode::mark_clean() | |
1112 | { | |
11fdf7f2 | 1113 | dout(10) << __func__ << " " << *this << dendl; |
7c673cae FG |
1114 | if (state_test(STATE_DIRTY)) { |
1115 | state_clear(STATE_DIRTY); | |
1116 | put(PIN_DIRTY); | |
1117 | ||
1118 | // remove myself from ls dirty list | |
1119 | item_dirty.remove_myself(); | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | ||
1124 | // -------------- | |
1125 | // per-inode storage | |
1126 | // (currently for root inode only) | |
1127 | ||
1128 | struct C_IO_Inode_Stored : public CInodeIOContext { | |
1129 | version_t version; | |
1130 | Context *fin; | |
1131 | C_IO_Inode_Stored(CInode *i, version_t v, Context *f) : CInodeIOContext(i), version(v), fin(f) {} | |
1132 | void finish(int r) override { | |
1133 | in->_stored(r, version, fin); | |
1134 | } | |
91327a77 AA |
1135 | void print(ostream& out) const override { |
1136 | out << "inode_store(" << in->ino() << ")"; | |
1137 | } | |
7c673cae FG |
1138 | }; |
1139 | ||
11fdf7f2 | 1140 | object_t InodeStoreBase::get_object_name(inodeno_t ino, frag_t fg, std::string_view suffix) |
7c673cae FG |
1141 | { |
1142 | char n[60]; | |
11fdf7f2 TL |
1143 | snprintf(n, sizeof(n), "%llx.%08llx", (long long unsigned)ino, (long long unsigned)fg); |
1144 | ceph_assert(strlen(n) + suffix.size() < sizeof n); | |
1145 | strncat(n, suffix.data(), suffix.size()); | |
7c673cae FG |
1146 | return object_t(n); |
1147 | } | |
1148 | ||
11fdf7f2 | 1149 | void CInode::store(MDSContext *fin) |
7c673cae | 1150 | { |
11fdf7f2 TL |
1151 | dout(10) << __func__ << " " << get_version() << dendl; |
1152 | ceph_assert(is_base()); | |
7c673cae FG |
1153 | |
1154 | if (snaprealm) | |
1155 | purge_stale_snap_data(snaprealm->get_snaps()); | |
1156 | ||
1157 | // encode | |
1158 | bufferlist bl; | |
1159 | string magic = CEPH_FS_ONDISK_MAGIC; | |
11fdf7f2 TL |
1160 | using ceph::encode; |
1161 | encode(magic, bl); | |
7c673cae FG |
1162 | encode_store(bl, mdcache->mds->mdsmap->get_up_features()); |
1163 | ||
1164 | // write it. | |
1165 | SnapContext snapc; | |
1166 | ObjectOperation m; | |
1167 | m.write_full(bl); | |
1168 | ||
1169 | object_t oid = CInode::get_object_name(ino(), frag_t(), ".inode"); | |
1170 | object_locator_t oloc(mdcache->mds->mdsmap->get_metadata_pool()); | |
1171 | ||
1172 | Context *newfin = | |
1173 | new C_OnFinisher(new C_IO_Inode_Stored(this, get_version(), fin), | |
1174 | mdcache->mds->finisher); | |
1175 | mdcache->mds->objecter->mutate(oid, oloc, m, snapc, | |
1176 | ceph::real_clock::now(), 0, | |
1177 | newfin); | |
1178 | } | |
1179 | ||
1180 | void CInode::_stored(int r, version_t v, Context *fin) | |
1181 | { | |
1182 | if (r < 0) { | |
1183 | dout(1) << "store error " << r << " v " << v << " on " << *this << dendl; | |
d2e6a577 FG |
1184 | mdcache->mds->clog->error() << "failed to store inode " << ino() |
1185 | << " object: " << cpp_strerror(r); | |
7c673cae FG |
1186 | mdcache->mds->handle_write_error(r); |
1187 | fin->complete(r); | |
1188 | return; | |
1189 | } | |
1190 | ||
11fdf7f2 | 1191 | dout(10) << __func__ << " " << v << " on " << *this << dendl; |
7c673cae FG |
1192 | if (v == get_projected_version()) |
1193 | mark_clean(); | |
1194 | ||
1195 | fin->complete(0); | |
1196 | } | |
1197 | ||
11fdf7f2 | 1198 | void CInode::flush(MDSContext *fin) |
7c673cae | 1199 | { |
11fdf7f2 TL |
1200 | dout(10) << __func__ << " " << *this << dendl; |
1201 | ceph_assert(is_auth() && can_auth_pin()); | |
7c673cae FG |
1202 | |
1203 | MDSGatherBuilder gather(g_ceph_context); | |
1204 | ||
1205 | if (is_dirty_parent()) { | |
1206 | store_backtrace(gather.new_sub()); | |
1207 | } | |
1208 | if (is_dirty()) { | |
1209 | if (is_base()) { | |
1210 | store(gather.new_sub()); | |
1211 | } else { | |
1212 | parent->dir->commit(0, gather.new_sub()); | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | if (gather.has_subs()) { | |
1217 | gather.set_finisher(fin); | |
1218 | gather.activate(); | |
1219 | } else { | |
1220 | fin->complete(0); | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | struct C_IO_Inode_Fetched : public CInodeIOContext { | |
1225 | bufferlist bl, bl2; | |
1226 | Context *fin; | |
1227 | C_IO_Inode_Fetched(CInode *i, Context *f) : CInodeIOContext(i), fin(f) {} | |
1228 | void finish(int r) override { | |
1229 | // Ignore 'r', because we fetch from two places, so r is usually ENOENT | |
1230 | in->_fetched(bl, bl2, fin); | |
1231 | } | |
91327a77 AA |
1232 | void print(ostream& out) const override { |
1233 | out << "inode_fetch(" << in->ino() << ")"; | |
1234 | } | |
7c673cae FG |
1235 | }; |
1236 | ||
11fdf7f2 | 1237 | void CInode::fetch(MDSContext *fin) |
7c673cae | 1238 | { |
11fdf7f2 | 1239 | dout(10) << __func__ << dendl; |
7c673cae FG |
1240 | |
1241 | C_IO_Inode_Fetched *c = new C_IO_Inode_Fetched(this, fin); | |
1242 | C_GatherBuilder gather(g_ceph_context, new C_OnFinisher(c, mdcache->mds->finisher)); | |
1243 | ||
1244 | object_t oid = CInode::get_object_name(ino(), frag_t(), ""); | |
1245 | object_locator_t oloc(mdcache->mds->mdsmap->get_metadata_pool()); | |
1246 | ||
1247 | // Old on-disk format: inode stored in xattr of a dirfrag | |
1248 | ObjectOperation rd; | |
1249 | rd.getxattr("inode", &c->bl, NULL); | |
1250 | mdcache->mds->objecter->read(oid, oloc, rd, CEPH_NOSNAP, (bufferlist*)NULL, 0, gather.new_sub()); | |
1251 | ||
1252 | // Current on-disk format: inode stored in a .inode object | |
1253 | object_t oid2 = CInode::get_object_name(ino(), frag_t(), ".inode"); | |
1254 | mdcache->mds->objecter->read(oid2, oloc, 0, 0, CEPH_NOSNAP, &c->bl2, 0, gather.new_sub()); | |
1255 | ||
1256 | gather.activate(); | |
1257 | } | |
1258 | ||
1259 | void CInode::_fetched(bufferlist& bl, bufferlist& bl2, Context *fin) | |
1260 | { | |
11fdf7f2 TL |
1261 | dout(10) << __func__ << " got " << bl.length() << " and " << bl2.length() << dendl; |
1262 | bufferlist::const_iterator p; | |
7c673cae | 1263 | if (bl2.length()) { |
11fdf7f2 | 1264 | p = bl2.cbegin(); |
7c673cae | 1265 | } else if (bl.length()) { |
11fdf7f2 | 1266 | p = bl.cbegin(); |
7c673cae | 1267 | } else { |
d2e6a577 | 1268 | derr << "No data while reading inode " << ino() << dendl; |
7c673cae FG |
1269 | fin->complete(-ENOENT); |
1270 | return; | |
1271 | } | |
1272 | ||
11fdf7f2 | 1273 | using ceph::decode; |
7c673cae FG |
1274 | // Attempt decode |
1275 | try { | |
1276 | string magic; | |
11fdf7f2 | 1277 | decode(magic, p); |
7c673cae FG |
1278 | dout(10) << " magic is '" << magic << "' (expecting '" |
1279 | << CEPH_FS_ONDISK_MAGIC << "')" << dendl; | |
1280 | if (magic != CEPH_FS_ONDISK_MAGIC) { | |
1281 | dout(0) << "on disk magic '" << magic << "' != my magic '" << CEPH_FS_ONDISK_MAGIC | |
1282 | << "'" << dendl; | |
1283 | fin->complete(-EINVAL); | |
1284 | } else { | |
1285 | decode_store(p); | |
1286 | dout(10) << "_fetched " << *this << dendl; | |
1287 | fin->complete(0); | |
1288 | } | |
1289 | } catch (buffer::error &err) { | |
d2e6a577 | 1290 | derr << "Corrupt inode " << ino() << ": " << err << dendl; |
7c673cae FG |
1291 | fin->complete(-EINVAL); |
1292 | return; | |
1293 | } | |
1294 | } | |
1295 | ||
1296 | void CInode::build_backtrace(int64_t pool, inode_backtrace_t& bt) | |
1297 | { | |
1298 | bt.ino = inode.ino; | |
1299 | bt.ancestors.clear(); | |
1300 | bt.pool = pool; | |
1301 | ||
1302 | CInode *in = this; | |
1303 | CDentry *pdn = get_parent_dn(); | |
1304 | while (pdn) { | |
1305 | CInode *diri = pdn->get_dir()->get_inode(); | |
94b18763 | 1306 | bt.ancestors.push_back(inode_backpointer_t(diri->ino(), pdn->get_name(), in->inode.version)); |
7c673cae FG |
1307 | in = diri; |
1308 | pdn = in->get_parent_dn(); | |
1309 | } | |
94b18763 | 1310 | for (auto &p : inode.old_pools) { |
7c673cae | 1311 | // don't add our own pool id to old_pools to avoid looping (e.g. setlayout 0, 1, 0) |
94b18763 FG |
1312 | if (p != pool) |
1313 | bt.old_pools.insert(p); | |
7c673cae FG |
1314 | } |
1315 | } | |
1316 | ||
1317 | struct C_IO_Inode_StoredBacktrace : public CInodeIOContext { | |
1318 | version_t version; | |
1319 | Context *fin; | |
1320 | C_IO_Inode_StoredBacktrace(CInode *i, version_t v, Context *f) : CInodeIOContext(i), version(v), fin(f) {} | |
1321 | void finish(int r) override { | |
1322 | in->_stored_backtrace(r, version, fin); | |
1323 | } | |
91327a77 AA |
1324 | void print(ostream& out) const override { |
1325 | out << "backtrace_store(" << in->ino() << ")"; | |
1326 | } | |
7c673cae FG |
1327 | }; |
1328 | ||
11fdf7f2 | 1329 | void CInode::store_backtrace(MDSContext *fin, int op_prio) |
7c673cae | 1330 | { |
11fdf7f2 TL |
1331 | dout(10) << __func__ << " on " << *this << dendl; |
1332 | ceph_assert(is_dirty_parent()); | |
7c673cae FG |
1333 | |
1334 | if (op_prio < 0) | |
1335 | op_prio = CEPH_MSG_PRIO_DEFAULT; | |
1336 | ||
1337 | auth_pin(this); | |
1338 | ||
1339 | const int64_t pool = get_backtrace_pool(); | |
1340 | inode_backtrace_t bt; | |
1341 | build_backtrace(pool, bt); | |
1342 | bufferlist parent_bl; | |
11fdf7f2 TL |
1343 | using ceph::encode; |
1344 | encode(bt, parent_bl); | |
7c673cae FG |
1345 | |
1346 | ObjectOperation op; | |
1347 | op.priority = op_prio; | |
1348 | op.create(false); | |
1349 | op.setxattr("parent", parent_bl); | |
1350 | ||
1351 | bufferlist layout_bl; | |
11fdf7f2 | 1352 | encode(inode.layout, layout_bl, mdcache->mds->mdsmap->get_up_features()); |
7c673cae FG |
1353 | op.setxattr("layout", layout_bl); |
1354 | ||
1355 | SnapContext snapc; | |
1356 | object_t oid = get_object_name(ino(), frag_t(), ""); | |
1357 | object_locator_t oloc(pool); | |
1358 | Context *fin2 = new C_OnFinisher( | |
1359 | new C_IO_Inode_StoredBacktrace(this, inode.backtrace_version, fin), | |
1360 | mdcache->mds->finisher); | |
1361 | ||
1362 | if (!state_test(STATE_DIRTYPOOL) || inode.old_pools.empty()) { | |
1363 | dout(20) << __func__ << ": no dirtypool or no old pools" << dendl; | |
1364 | mdcache->mds->objecter->mutate(oid, oloc, op, snapc, | |
1365 | ceph::real_clock::now(), | |
1366 | 0, fin2); | |
1367 | return; | |
1368 | } | |
1369 | ||
1370 | C_GatherBuilder gather(g_ceph_context, fin2); | |
1371 | mdcache->mds->objecter->mutate(oid, oloc, op, snapc, | |
1372 | ceph::real_clock::now(), | |
1373 | 0, gather.new_sub()); | |
1374 | ||
1375 | // In the case where DIRTYPOOL is set, we update all old pools backtraces | |
1376 | // such that anyone reading them will see the new pool ID in | |
1377 | // inode_backtrace_t::pool and go read everything else from there. | |
94b18763 FG |
1378 | for (const auto &p : inode.old_pools) { |
1379 | if (p == pool) | |
7c673cae FG |
1380 | continue; |
1381 | ||
94b18763 | 1382 | dout(20) << __func__ << ": updating old pool " << p << dendl; |
7c673cae FG |
1383 | |
1384 | ObjectOperation op; | |
1385 | op.priority = op_prio; | |
1386 | op.create(false); | |
1387 | op.setxattr("parent", parent_bl); | |
1388 | ||
94b18763 | 1389 | object_locator_t oloc(p); |
7c673cae FG |
1390 | mdcache->mds->objecter->mutate(oid, oloc, op, snapc, |
1391 | ceph::real_clock::now(), | |
1392 | 0, gather.new_sub()); | |
1393 | } | |
1394 | gather.activate(); | |
1395 | } | |
1396 | ||
1397 | void CInode::_stored_backtrace(int r, version_t v, Context *fin) | |
1398 | { | |
1399 | if (r == -ENOENT) { | |
1400 | const int64_t pool = get_backtrace_pool(); | |
1401 | bool exists = mdcache->mds->objecter->with_osdmap( | |
1402 | [pool](const OSDMap &osd_map) { | |
1403 | return osd_map.have_pg_pool(pool); | |
1404 | }); | |
1405 | ||
1406 | // This ENOENT is because the pool doesn't exist (the user deleted it | |
1407 | // out from under us), so the backtrace can never be written, so pretend | |
1408 | // to succeed so that the user can proceed to e.g. delete the file. | |
1409 | if (!exists) { | |
11fdf7f2 | 1410 | dout(4) << __func__ << " got ENOENT: a data pool was deleted " |
7c673cae FG |
1411 | "beneath us!" << dendl; |
1412 | r = 0; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | if (r < 0) { | |
1417 | dout(1) << "store backtrace error " << r << " v " << v << dendl; | |
1418 | mdcache->mds->clog->error() << "failed to store backtrace on ino " | |
1419 | << ino() << " object" | |
1420 | << ", pool " << get_backtrace_pool() | |
1421 | << ", errno " << r; | |
1422 | mdcache->mds->handle_write_error(r); | |
1423 | if (fin) | |
1424 | fin->complete(r); | |
1425 | return; | |
1426 | } | |
1427 | ||
11fdf7f2 | 1428 | dout(10) << __func__ << " v " << v << dendl; |
7c673cae FG |
1429 | |
1430 | auth_unpin(this); | |
1431 | if (v == inode.backtrace_version) | |
1432 | clear_dirty_parent(); | |
1433 | if (fin) | |
1434 | fin->complete(0); | |
1435 | } | |
1436 | ||
1437 | void CInode::fetch_backtrace(Context *fin, bufferlist *backtrace) | |
1438 | { | |
1439 | mdcache->fetch_backtrace(inode.ino, get_backtrace_pool(), *backtrace, fin); | |
1440 | } | |
1441 | ||
28e407b8 | 1442 | void CInode::mark_dirty_parent(LogSegment *ls, bool dirty_pool) |
7c673cae FG |
1443 | { |
1444 | if (!state_test(STATE_DIRTYPARENT)) { | |
11fdf7f2 | 1445 | dout(10) << __func__ << dendl; |
7c673cae FG |
1446 | state_set(STATE_DIRTYPARENT); |
1447 | get(PIN_DIRTYPARENT); | |
11fdf7f2 | 1448 | ceph_assert(ls); |
7c673cae FG |
1449 | } |
1450 | if (dirty_pool) | |
1451 | state_set(STATE_DIRTYPOOL); | |
1452 | if (ls) | |
1453 | ls->dirty_parent_inodes.push_back(&item_dirty_parent); | |
1454 | } | |
1455 | ||
1456 | void CInode::clear_dirty_parent() | |
1457 | { | |
1458 | if (state_test(STATE_DIRTYPARENT)) { | |
11fdf7f2 | 1459 | dout(10) << __func__ << dendl; |
7c673cae FG |
1460 | state_clear(STATE_DIRTYPARENT); |
1461 | state_clear(STATE_DIRTYPOOL); | |
1462 | put(PIN_DIRTYPARENT); | |
1463 | item_dirty_parent.remove_myself(); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | void CInode::verify_diri_backtrace(bufferlist &bl, int err) | |
1468 | { | |
1469 | if (is_base() || is_dirty_parent() || !is_auth()) | |
1470 | return; | |
1471 | ||
11fdf7f2 | 1472 | dout(10) << __func__ << dendl; |
7c673cae FG |
1473 | |
1474 | if (err == 0) { | |
1475 | inode_backtrace_t backtrace; | |
11fdf7f2 TL |
1476 | using ceph::decode; |
1477 | decode(backtrace, bl); | |
7c673cae FG |
1478 | CDentry *pdn = get_parent_dn(); |
1479 | if (backtrace.ancestors.empty() || | |
94b18763 | 1480 | backtrace.ancestors[0].dname != pdn->get_name() || |
7c673cae FG |
1481 | backtrace.ancestors[0].dirino != pdn->get_dir()->ino()) |
1482 | err = -EINVAL; | |
1483 | } | |
1484 | ||
1485 | if (err) { | |
1486 | MDSRank *mds = mdcache->mds; | |
d2e6a577 | 1487 | mds->clog->error() << "bad backtrace on directory inode " << ino(); |
11fdf7f2 | 1488 | ceph_assert(!"bad backtrace" == (g_conf()->mds_verify_backtrace > 1)); |
7c673cae | 1489 | |
28e407b8 | 1490 | mark_dirty_parent(mds->mdlog->get_current_segment(), false); |
7c673cae FG |
1491 | mds->mdlog->flush(); |
1492 | } | |
1493 | } | |
1494 | ||
1495 | // ------------------ | |
1496 | // parent dir | |
1497 | ||
1498 | ||
1499 | void InodeStoreBase::encode_bare(bufferlist &bl, uint64_t features, | |
1500 | const bufferlist *snap_blob) const | |
1501 | { | |
11fdf7f2 TL |
1502 | using ceph::encode; |
1503 | encode(inode, bl, features); | |
7c673cae | 1504 | if (is_symlink()) |
11fdf7f2 TL |
1505 | encode(symlink, bl); |
1506 | encode(dirfragtree, bl); | |
1507 | encode(xattrs, bl); | |
7c673cae | 1508 | if (snap_blob) |
11fdf7f2 | 1509 | encode(*snap_blob, bl); |
7c673cae | 1510 | else |
11fdf7f2 TL |
1511 | encode(bufferlist(), bl); |
1512 | encode(old_inodes, bl, features); | |
1513 | encode(oldest_snap, bl); | |
1514 | encode(damage_flags, bl); | |
7c673cae FG |
1515 | } |
1516 | ||
1517 | void InodeStoreBase::encode(bufferlist &bl, uint64_t features, | |
1518 | const bufferlist *snap_blob) const | |
1519 | { | |
1520 | ENCODE_START(6, 4, bl); | |
1521 | encode_bare(bl, features, snap_blob); | |
1522 | ENCODE_FINISH(bl); | |
1523 | } | |
1524 | ||
1525 | void CInode::encode_store(bufferlist& bl, uint64_t features) | |
1526 | { | |
1527 | bufferlist snap_blob; | |
1528 | encode_snap_blob(snap_blob); | |
1529 | InodeStoreBase::encode(bl, mdcache->mds->mdsmap->get_up_features(), | |
1530 | &snap_blob); | |
1531 | } | |
1532 | ||
11fdf7f2 | 1533 | void InodeStoreBase::decode_bare(bufferlist::const_iterator &bl, |
7c673cae FG |
1534 | bufferlist& snap_blob, __u8 struct_v) |
1535 | { | |
11fdf7f2 TL |
1536 | using ceph::decode; |
1537 | decode(inode, bl); | |
94b18763 FG |
1538 | if (is_symlink()) { |
1539 | std::string tmp; | |
11fdf7f2 TL |
1540 | decode(tmp, bl); |
1541 | symlink = std::string_view(tmp); | |
94b18763 | 1542 | } |
11fdf7f2 | 1543 | decode(dirfragtree, bl); |
e306af50 | 1544 | decode_noshare(xattrs, bl); |
11fdf7f2 | 1545 | decode(snap_blob, bl); |
7c673cae | 1546 | |
11fdf7f2 | 1547 | decode(old_inodes, bl); |
7c673cae FG |
1548 | if (struct_v == 2 && inode.is_dir()) { |
1549 | bool default_layout_exists; | |
11fdf7f2 | 1550 | decode(default_layout_exists, bl); |
7c673cae | 1551 | if (default_layout_exists) { |
11fdf7f2 TL |
1552 | decode(struct_v, bl); // this was a default_file_layout |
1553 | decode(inode.layout, bl); // but we only care about the layout portion | |
7c673cae FG |
1554 | } |
1555 | } | |
1556 | ||
1557 | if (struct_v >= 5) { | |
1558 | // InodeStore is embedded in dentries without proper versioning, so | |
1559 | // we consume up to the end of the buffer | |
1560 | if (!bl.end()) { | |
11fdf7f2 | 1561 | decode(oldest_snap, bl); |
7c673cae FG |
1562 | } |
1563 | ||
1564 | if (!bl.end()) { | |
11fdf7f2 | 1565 | decode(damage_flags, bl); |
7c673cae FG |
1566 | } |
1567 | } | |
1568 | } | |
1569 | ||
1570 | ||
11fdf7f2 | 1571 | void InodeStoreBase::decode(bufferlist::const_iterator &bl, bufferlist& snap_blob) |
7c673cae FG |
1572 | { |
1573 | DECODE_START_LEGACY_COMPAT_LEN(5, 4, 4, bl); | |
1574 | decode_bare(bl, snap_blob, struct_v); | |
1575 | DECODE_FINISH(bl); | |
1576 | } | |
1577 | ||
11fdf7f2 | 1578 | void CInode::decode_store(bufferlist::const_iterator& bl) |
7c673cae FG |
1579 | { |
1580 | bufferlist snap_blob; | |
1581 | InodeStoreBase::decode(bl, snap_blob); | |
1582 | decode_snap_blob(snap_blob); | |
1583 | } | |
1584 | ||
1585 | // ------------------ | |
1586 | // locking | |
1587 | ||
9f95a23c TL |
1588 | SimpleLock* CInode::get_lock(int type) |
1589 | { | |
1590 | switch (type) { | |
1591 | case CEPH_LOCK_IVERSION: return &versionlock; | |
1592 | case CEPH_LOCK_IFILE: return &filelock; | |
1593 | case CEPH_LOCK_IAUTH: return &authlock; | |
1594 | case CEPH_LOCK_ILINK: return &linklock; | |
1595 | case CEPH_LOCK_IDFT: return &dirfragtreelock; | |
1596 | case CEPH_LOCK_IXATTR: return &xattrlock; | |
1597 | case CEPH_LOCK_ISNAP: return &snaplock; | |
1598 | case CEPH_LOCK_INEST: return &nestlock; | |
1599 | case CEPH_LOCK_IFLOCK: return &flocklock; | |
1600 | case CEPH_LOCK_IPOLICY: return &policylock; | |
1601 | } | |
1602 | return 0; | |
1603 | } | |
1604 | ||
7c673cae FG |
1605 | void CInode::set_object_info(MDSCacheObjectInfo &info) |
1606 | { | |
1607 | info.ino = ino(); | |
1608 | info.snapid = last; | |
1609 | } | |
1610 | ||
9f95a23c | 1611 | void CInode::encode_lock_iauth(bufferlist& bl) |
7c673cae | 1612 | { |
9f95a23c TL |
1613 | ENCODE_START(1, 1, bl); |
1614 | encode(inode.version, bl); | |
1615 | encode(inode.ctime, bl); | |
1616 | encode(inode.mode, bl); | |
1617 | encode(inode.uid, bl); | |
1618 | encode(inode.gid, bl); | |
1619 | ENCODE_FINISH(bl); | |
1620 | } | |
7c673cae | 1621 | |
9f95a23c TL |
1622 | void CInode::decode_lock_iauth(bufferlist::const_iterator& p) |
1623 | { | |
1624 | DECODE_START(1, p); | |
1625 | decode(inode.version, p); | |
1626 | utime_t tm; | |
1627 | decode(tm, p); | |
1628 | if (inode.ctime < tm) inode.ctime = tm; | |
1629 | decode(inode.mode, p); | |
1630 | decode(inode.uid, p); | |
1631 | decode(inode.gid, p); | |
1632 | DECODE_FINISH(p); | |
1633 | } | |
1634 | ||
1635 | void CInode::encode_lock_ilink(bufferlist& bl) | |
1636 | { | |
1637 | ENCODE_START(1, 1, bl); | |
1638 | encode(inode.version, bl); | |
1639 | encode(inode.ctime, bl); | |
1640 | encode(inode.nlink, bl); | |
1641 | ENCODE_FINISH(bl); | |
1642 | } | |
1643 | ||
1644 | void CInode::decode_lock_ilink(bufferlist::const_iterator& p) | |
1645 | { | |
1646 | DECODE_START(1, p); | |
1647 | decode(inode.version, p); | |
1648 | utime_t tm; | |
1649 | decode(tm, p); | |
1650 | if (inode.ctime < tm) inode.ctime = tm; | |
1651 | decode(inode.nlink, p); | |
1652 | DECODE_FINISH(p); | |
1653 | } | |
1654 | ||
1655 | void CInode::encode_lock_idft(bufferlist& bl) | |
1656 | { | |
1657 | ENCODE_START(1, 1, bl); | |
1658 | if (is_auth()) { | |
11fdf7f2 | 1659 | encode(inode.version, bl); |
9f95a23c TL |
1660 | } else { |
1661 | // treat flushing as dirty when rejoining cache | |
1662 | bool dirty = dirfragtreelock.is_dirty_or_flushing(); | |
1663 | encode(dirty, bl); | |
1664 | } | |
1665 | { | |
1666 | // encode the raw tree | |
1667 | encode(dirfragtree, bl); | |
1668 | ||
1669 | // also specify which frags are mine | |
1670 | set<frag_t> myfrags; | |
1671 | auto&& dfls = get_dirfrags(); | |
1672 | for (const auto& dir : dfls) { | |
1673 | if (dir->is_auth()) { | |
1674 | frag_t fg = dir->get_frag(); | |
1675 | myfrags.insert(fg); | |
1676 | } | |
1677 | } | |
1678 | encode(myfrags, bl); | |
1679 | } | |
1680 | ENCODE_FINISH(bl); | |
1681 | } | |
1682 | ||
1683 | void CInode::decode_lock_idft(bufferlist::const_iterator& p) | |
1684 | { | |
1685 | DECODE_START(1, p); | |
1686 | if (is_auth()) { | |
1687 | bool replica_dirty; | |
1688 | decode(replica_dirty, p); | |
1689 | if (replica_dirty) { | |
1690 | dout(10) << __func__ << " setting dftlock dirty flag" << dendl; | |
1691 | dirfragtreelock.mark_dirty(); // ok bc we're auth and caller will handle | |
1692 | } | |
1693 | } else { | |
1694 | decode(inode.version, p); | |
1695 | } | |
1696 | { | |
1697 | fragtree_t temp; | |
1698 | decode(temp, p); | |
1699 | set<frag_t> authfrags; | |
1700 | decode(authfrags, p); | |
7c673cae | 1701 | if (is_auth()) { |
9f95a23c TL |
1702 | // auth. believe replica's auth frags only. |
1703 | for (auto fg : authfrags) { | |
1704 | if (!dirfragtree.is_leaf(fg)) { | |
1705 | dout(10) << " forcing frag " << fg << " to leaf (split|merge)" << dendl; | |
1706 | dirfragtree.force_to_leaf(g_ceph_context, fg); | |
1707 | dirfragtreelock.mark_dirty(); // ok bc we're auth and caller will handle | |
1708 | } | |
1709 | } | |
7c673cae | 1710 | } else { |
9f95a23c TL |
1711 | // replica. take the new tree, BUT make sure any open |
1712 | // dirfrags remain leaves (they may have split _after_ this | |
1713 | // dft was scattered, or we may still be be waiting on the | |
1714 | // notify from the auth) | |
1715 | dirfragtree.swap(temp); | |
1716 | for (const auto &p : dirfrags) { | |
1717 | if (!dirfragtree.is_leaf(p.first)) { | |
1718 | dout(10) << " forcing open dirfrag " << p.first << " to leaf (racing with split|merge)" << dendl; | |
1719 | dirfragtree.force_to_leaf(g_ceph_context, p.first); | |
1720 | } | |
1721 | if (p.second->is_auth()) | |
1722 | p.second->state_clear(CDir::STATE_DIRTYDFT); | |
1723 | } | |
7c673cae | 1724 | } |
9f95a23c TL |
1725 | if (g_conf()->mds_debug_frag) |
1726 | verify_dirfrags(); | |
1727 | } | |
1728 | DECODE_FINISH(p); | |
1729 | } | |
1730 | ||
1731 | void CInode::encode_lock_ifile(bufferlist& bl) | |
1732 | { | |
1733 | ENCODE_START(1, 1, bl); | |
1734 | if (is_auth()) { | |
1735 | encode(inode.version, bl); | |
1736 | encode(inode.ctime, bl); | |
1737 | encode(inode.mtime, bl); | |
1738 | encode(inode.atime, bl); | |
1739 | encode(inode.time_warp_seq, bl); | |
1740 | if (!is_dir()) { | |
1741 | encode(inode.layout, bl, mdcache->mds->mdsmap->get_up_features()); | |
1742 | encode(inode.size, bl); | |
1743 | encode(inode.truncate_seq, bl); | |
1744 | encode(inode.truncate_size, bl); | |
1745 | encode(inode.client_ranges, bl); | |
1746 | encode(inode.inline_data, bl); | |
1747 | } | |
1748 | } else { | |
1749 | // treat flushing as dirty when rejoining cache | |
1750 | bool dirty = filelock.is_dirty_or_flushing(); | |
1751 | encode(dirty, bl); | |
1752 | } | |
1753 | dout(15) << __func__ << " inode.dirstat is " << inode.dirstat << dendl; | |
1754 | encode(inode.dirstat, bl); // only meaningful if i am auth. | |
1755 | bufferlist tmp; | |
1756 | __u32 n = 0; | |
1757 | for (const auto &p : dirfrags) { | |
1758 | frag_t fg = p.first; | |
1759 | CDir *dir = p.second; | |
1760 | if (is_auth() || dir->is_auth()) { | |
1761 | fnode_t *pf = dir->get_projected_fnode(); | |
1762 | dout(15) << fg << " " << *dir << dendl; | |
1763 | dout(20) << fg << " fragstat " << pf->fragstat << dendl; | |
1764 | dout(20) << fg << " accounted_fragstat " << pf->accounted_fragstat << dendl; | |
1765 | encode(fg, tmp); | |
1766 | encode(dir->first, tmp); | |
1767 | encode(pf->fragstat, tmp); | |
1768 | encode(pf->accounted_fragstat, tmp); | |
1769 | n++; | |
7c673cae | 1770 | } |
9f95a23c TL |
1771 | } |
1772 | encode(n, bl); | |
1773 | bl.claim_append(tmp); | |
1774 | ENCODE_FINISH(bl); | |
1775 | } | |
1776 | ||
1777 | void CInode::decode_lock_ifile(bufferlist::const_iterator& p) | |
1778 | { | |
1779 | DECODE_START(1, p); | |
1780 | if (!is_auth()) { | |
1781 | decode(inode.version, p); | |
1782 | utime_t tm; | |
1783 | decode(tm, p); | |
1784 | if (inode.ctime < tm) inode.ctime = tm; | |
1785 | decode(inode.mtime, p); | |
1786 | decode(inode.atime, p); | |
1787 | decode(inode.time_warp_seq, p); | |
1788 | if (!is_dir()) { | |
1789 | decode(inode.layout, p); | |
1790 | decode(inode.size, p); | |
1791 | decode(inode.truncate_seq, p); | |
1792 | decode(inode.truncate_size, p); | |
1793 | decode(inode.client_ranges, p); | |
1794 | decode(inode.inline_data, p); | |
1795 | } | |
1796 | } else { | |
1797 | bool replica_dirty; | |
1798 | decode(replica_dirty, p); | |
1799 | if (replica_dirty) { | |
1800 | dout(10) << __func__ << " setting filelock dirty flag" << dendl; | |
1801 | filelock.mark_dirty(); // ok bc we're auth and caller will handle | |
1802 | } | |
1803 | } | |
1804 | ||
1805 | frag_info_t dirstat; | |
1806 | decode(dirstat, p); | |
1807 | if (!is_auth()) { | |
1808 | dout(10) << " taking inode dirstat " << dirstat << " for " << *this << dendl; | |
1809 | inode.dirstat = dirstat; // take inode summation if replica | |
1810 | } | |
1811 | __u32 n; | |
1812 | decode(n, p); | |
1813 | dout(10) << " ...got " << n << " fragstats on " << *this << dendl; | |
1814 | while (n--) { | |
1815 | frag_t fg; | |
1816 | snapid_t fgfirst; | |
1817 | frag_info_t fragstat; | |
1818 | frag_info_t accounted_fragstat; | |
1819 | decode(fg, p); | |
1820 | decode(fgfirst, p); | |
1821 | decode(fragstat, p); | |
1822 | decode(accounted_fragstat, p); | |
1823 | dout(10) << fg << " [" << fgfirst << ",head] " << dendl; | |
1824 | dout(10) << fg << " fragstat " << fragstat << dendl; | |
1825 | dout(20) << fg << " accounted_fragstat " << accounted_fragstat << dendl; | |
1826 | ||
1827 | CDir *dir = get_dirfrag(fg); | |
7c673cae | 1828 | if (is_auth()) { |
9f95a23c TL |
1829 | ceph_assert(dir); // i am auth; i had better have this dir open |
1830 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1831 | << " on " << *dir << dendl; | |
1832 | dir->first = fgfirst; | |
1833 | dir->fnode.fragstat = fragstat; | |
1834 | dir->fnode.accounted_fragstat = accounted_fragstat; | |
1835 | if (!(fragstat == accounted_fragstat)) { | |
1836 | dout(10) << fg << " setting filelock updated flag" << dendl; | |
1837 | filelock.mark_dirty(); // ok bc we're auth and caller will handle | |
7c673cae FG |
1838 | } |
1839 | } else { | |
9f95a23c TL |
1840 | if (dir && dir->is_auth()) { |
1841 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1842 | << " on " << *dir << dendl; | |
1843 | dir->first = fgfirst; | |
1844 | fnode_t *pf = dir->get_projected_fnode(); | |
1845 | finish_scatter_update(&filelock, dir, | |
1846 | inode.dirstat.version, pf->accounted_fragstat.version); | |
1847 | } | |
7c673cae | 1848 | } |
9f95a23c TL |
1849 | } |
1850 | DECODE_FINISH(p); | |
1851 | } | |
7c673cae | 1852 | |
9f95a23c TL |
1853 | void CInode::encode_lock_inest(bufferlist& bl) |
1854 | { | |
1855 | ENCODE_START(1, 1, bl); | |
1856 | if (is_auth()) { | |
1857 | encode(inode.version, bl); | |
1858 | } else { | |
1859 | // treat flushing as dirty when rejoining cache | |
1860 | bool dirty = nestlock.is_dirty_or_flushing(); | |
1861 | encode(dirty, bl); | |
1862 | } | |
1863 | dout(15) << __func__ << " inode.rstat is " << inode.rstat << dendl; | |
1864 | encode(inode.rstat, bl); // only meaningful if i am auth. | |
1865 | bufferlist tmp; | |
1866 | __u32 n = 0; | |
1867 | for (const auto &p : dirfrags) { | |
1868 | frag_t fg = p.first; | |
1869 | CDir *dir = p.second; | |
1870 | if (is_auth() || dir->is_auth()) { | |
1871 | fnode_t *pf = dir->get_projected_fnode(); | |
1872 | dout(10) << __func__ << " " << fg << " dir " << *dir << dendl; | |
1873 | dout(10) << __func__ << " " << fg << " rstat " << pf->rstat << dendl; | |
1874 | dout(10) << __func__ << " " << fg << " accounted_rstat " << pf->rstat << dendl; | |
1875 | dout(10) << __func__ << " " << fg << " dirty_old_rstat " << dir->dirty_old_rstat << dendl; | |
1876 | encode(fg, tmp); | |
1877 | encode(dir->first, tmp); | |
1878 | encode(pf->rstat, tmp); | |
1879 | encode(pf->accounted_rstat, tmp); | |
1880 | encode(dir->dirty_old_rstat, tmp); | |
1881 | n++; | |
7c673cae | 1882 | } |
9f95a23c TL |
1883 | } |
1884 | encode(n, bl); | |
1885 | bl.claim_append(tmp); | |
1886 | ENCODE_FINISH(bl); | |
1887 | } | |
7c673cae | 1888 | |
9f95a23c TL |
1889 | void CInode::decode_lock_inest(bufferlist::const_iterator& p) |
1890 | { | |
1891 | DECODE_START(1, p); | |
1892 | if (is_auth()) { | |
1893 | bool replica_dirty; | |
1894 | decode(replica_dirty, p); | |
1895 | if (replica_dirty) { | |
1896 | dout(10) << __func__ << " setting nestlock dirty flag" << dendl; | |
1897 | nestlock.mark_dirty(); // ok bc we're auth and caller will handle | |
1898 | } | |
1899 | } else { | |
1900 | decode(inode.version, p); | |
1901 | } | |
1902 | nest_info_t rstat; | |
1903 | decode(rstat, p); | |
1904 | if (!is_auth()) { | |
1905 | dout(10) << __func__ << " taking inode rstat " << rstat << " for " << *this << dendl; | |
1906 | inode.rstat = rstat; // take inode summation if replica | |
1907 | } | |
1908 | __u32 n; | |
1909 | decode(n, p); | |
1910 | while (n--) { | |
1911 | frag_t fg; | |
1912 | snapid_t fgfirst; | |
1913 | nest_info_t rstat; | |
1914 | nest_info_t accounted_rstat; | |
1915 | decltype(CDir::dirty_old_rstat) dirty_old_rstat; | |
1916 | decode(fg, p); | |
1917 | decode(fgfirst, p); | |
1918 | decode(rstat, p); | |
1919 | decode(accounted_rstat, p); | |
1920 | decode(dirty_old_rstat, p); | |
1921 | dout(10) << __func__ << " " << fg << " [" << fgfirst << ",head]" << dendl; | |
1922 | dout(10) << __func__ << " " << fg << " rstat " << rstat << dendl; | |
1923 | dout(10) << __func__ << " " << fg << " accounted_rstat " << accounted_rstat << dendl; | |
1924 | dout(10) << __func__ << " " << fg << " dirty_old_rstat " << dirty_old_rstat << dendl; | |
1925 | CDir *dir = get_dirfrag(fg); | |
7c673cae | 1926 | if (is_auth()) { |
9f95a23c TL |
1927 | ceph_assert(dir); // i am auth; i had better have this dir open |
1928 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1929 | << " on " << *dir << dendl; | |
1930 | dir->first = fgfirst; | |
1931 | dir->fnode.rstat = rstat; | |
1932 | dir->fnode.accounted_rstat = accounted_rstat; | |
1933 | dir->dirty_old_rstat.swap(dirty_old_rstat); | |
1934 | if (!(rstat == accounted_rstat) || !dir->dirty_old_rstat.empty()) { | |
1935 | dout(10) << fg << " setting nestlock updated flag" << dendl; | |
1936 | nestlock.mark_dirty(); // ok bc we're auth and caller will handle | |
1937 | } | |
7c673cae | 1938 | } else { |
9f95a23c TL |
1939 | if (dir && dir->is_auth()) { |
1940 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1941 | << " on " << *dir << dendl; | |
1942 | dir->first = fgfirst; | |
1943 | fnode_t *pf = dir->get_projected_fnode(); | |
1944 | finish_scatter_update(&nestlock, dir, | |
1945 | inode.rstat.version, pf->accounted_rstat.version); | |
7c673cae | 1946 | } |
7c673cae | 1947 | } |
9f95a23c TL |
1948 | } |
1949 | DECODE_FINISH(p); | |
1950 | } | |
1951 | ||
1952 | void CInode::encode_lock_ixattr(bufferlist& bl) | |
1953 | { | |
1954 | ENCODE_START(1, 1, bl); | |
1955 | encode(inode.version, bl); | |
1956 | encode(inode.ctime, bl); | |
1957 | encode(xattrs, bl); | |
1958 | ENCODE_FINISH(bl); | |
1959 | } | |
1960 | ||
1961 | void CInode::decode_lock_ixattr(bufferlist::const_iterator& p) | |
1962 | { | |
1963 | DECODE_START(1, p); | |
1964 | decode(inode.version, p); | |
1965 | utime_t tm; | |
1966 | decode(tm, p); | |
1967 | if (inode.ctime < tm) inode.ctime = tm; | |
e306af50 | 1968 | decode_noshare(xattrs, p); |
9f95a23c TL |
1969 | DECODE_FINISH(p); |
1970 | } | |
1971 | ||
1972 | void CInode::encode_lock_isnap(bufferlist& bl) | |
1973 | { | |
1974 | ENCODE_START(1, 1, bl); | |
1975 | encode(inode.version, bl); | |
1976 | encode(inode.ctime, bl); | |
1977 | encode_snap(bl); | |
1978 | ENCODE_FINISH(bl); | |
1979 | } | |
1980 | ||
1981 | void CInode::decode_lock_isnap(bufferlist::const_iterator& p) | |
1982 | { | |
1983 | DECODE_START(1, p); | |
1984 | decode(inode.version, p); | |
1985 | utime_t tm; | |
1986 | decode(tm, p); | |
1987 | if (inode.ctime < tm) inode.ctime = tm; | |
1988 | decode_snap(p); | |
1989 | DECODE_FINISH(p); | |
1990 | } | |
1991 | ||
1992 | void CInode::encode_lock_iflock(bufferlist& bl) | |
1993 | { | |
1994 | ENCODE_START(1, 1, bl); | |
1995 | encode(inode.version, bl); | |
1996 | _encode_file_locks(bl); | |
1997 | ENCODE_FINISH(bl); | |
1998 | } | |
1999 | ||
2000 | void CInode::decode_lock_iflock(bufferlist::const_iterator& p) | |
2001 | { | |
2002 | DECODE_START(1, p); | |
2003 | decode(inode.version, p); | |
2004 | _decode_file_locks(p); | |
2005 | DECODE_FINISH(p); | |
2006 | } | |
2007 | ||
2008 | void CInode::encode_lock_ipolicy(bufferlist& bl) | |
2009 | { | |
2010 | ENCODE_START(1, 1, bl); | |
2011 | if (inode.is_dir()) { | |
2012 | encode(inode.version, bl); | |
2013 | encode(inode.ctime, bl); | |
2014 | encode(inode.layout, bl, mdcache->mds->mdsmap->get_up_features()); | |
2015 | encode(inode.quota, bl); | |
2016 | encode(inode.export_pin, bl); | |
2017 | } | |
2018 | ENCODE_FINISH(bl); | |
2019 | } | |
2020 | ||
2021 | void CInode::decode_lock_ipolicy(bufferlist::const_iterator& p) | |
2022 | { | |
2023 | DECODE_START(1, p); | |
2024 | if (inode.is_dir()) { | |
2025 | decode(inode.version, p); | |
2026 | utime_t tm; | |
2027 | decode(tm, p); | |
2028 | if (inode.ctime < tm) inode.ctime = tm; | |
2029 | decode(inode.layout, p); | |
2030 | decode(inode.quota, p); | |
2031 | mds_rank_t old_pin = inode.export_pin; | |
2032 | decode(inode.export_pin, p); | |
2033 | maybe_export_pin(old_pin != inode.export_pin); | |
2034 | } | |
2035 | DECODE_FINISH(p); | |
2036 | } | |
2037 | ||
2038 | void CInode::encode_lock_state(int type, bufferlist& bl) | |
2039 | { | |
2040 | ENCODE_START(1, 1, bl); | |
2041 | encode(first, bl); | |
2042 | if (!is_base()) | |
2043 | encode(parent->first, bl); | |
2044 | ||
2045 | switch (type) { | |
2046 | case CEPH_LOCK_IAUTH: | |
2047 | encode_lock_iauth(bl); | |
2048 | break; | |
2049 | ||
2050 | case CEPH_LOCK_ILINK: | |
2051 | encode_lock_ilink(bl); | |
2052 | break; | |
2053 | ||
2054 | case CEPH_LOCK_IDFT: | |
2055 | encode_lock_idft(bl); | |
2056 | break; | |
2057 | ||
2058 | case CEPH_LOCK_IFILE: | |
2059 | encode_lock_ifile(bl); | |
2060 | break; | |
2061 | ||
2062 | case CEPH_LOCK_INEST: | |
2063 | encode_lock_inest(bl); | |
7c673cae FG |
2064 | break; |
2065 | ||
2066 | case CEPH_LOCK_IXATTR: | |
9f95a23c | 2067 | encode_lock_ixattr(bl); |
7c673cae FG |
2068 | break; |
2069 | ||
2070 | case CEPH_LOCK_ISNAP: | |
9f95a23c | 2071 | encode_lock_isnap(bl); |
7c673cae FG |
2072 | break; |
2073 | ||
2074 | case CEPH_LOCK_IFLOCK: | |
9f95a23c | 2075 | encode_lock_iflock(bl); |
7c673cae FG |
2076 | break; |
2077 | ||
2078 | case CEPH_LOCK_IPOLICY: | |
9f95a23c | 2079 | encode_lock_ipolicy(bl); |
7c673cae FG |
2080 | break; |
2081 | ||
2082 | default: | |
2083 | ceph_abort(); | |
2084 | } | |
9f95a23c | 2085 | ENCODE_FINISH(bl); |
7c673cae FG |
2086 | } |
2087 | ||
7c673cae FG |
2088 | /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */ |
2089 | ||
11fdf7f2 | 2090 | void CInode::decode_lock_state(int type, const bufferlist& bl) |
7c673cae | 2091 | { |
11fdf7f2 | 2092 | auto p = bl.cbegin(); |
9f95a23c TL |
2093 | |
2094 | DECODE_START(1, p); | |
7c673cae FG |
2095 | utime_t tm; |
2096 | ||
2097 | snapid_t newfirst; | |
11fdf7f2 TL |
2098 | using ceph::decode; |
2099 | decode(newfirst, p); | |
7c673cae | 2100 | if (!is_auth() && newfirst != first) { |
11fdf7f2 TL |
2101 | dout(10) << __func__ << " first " << first << " -> " << newfirst << dendl; |
2102 | first = newfirst; | |
2103 | } | |
2104 | if (!is_base()) { | |
2105 | decode(newfirst, p); | |
2106 | if (!parent->is_auth() && newfirst != parent->first) { | |
2107 | dout(10) << __func__ << " parent first " << first << " -> " << newfirst << dendl; | |
7c673cae FG |
2108 | parent->first = newfirst; |
2109 | } | |
7c673cae FG |
2110 | } |
2111 | ||
2112 | switch (type) { | |
2113 | case CEPH_LOCK_IAUTH: | |
9f95a23c | 2114 | decode_lock_iauth(p); |
7c673cae FG |
2115 | break; |
2116 | ||
2117 | case CEPH_LOCK_ILINK: | |
9f95a23c | 2118 | decode_lock_ilink(p); |
7c673cae FG |
2119 | break; |
2120 | ||
2121 | case CEPH_LOCK_IDFT: | |
9f95a23c | 2122 | decode_lock_idft(p); |
7c673cae FG |
2123 | break; |
2124 | ||
2125 | case CEPH_LOCK_IFILE: | |
9f95a23c | 2126 | decode_lock_ifile(p); |
7c673cae FG |
2127 | break; |
2128 | ||
2129 | case CEPH_LOCK_INEST: | |
9f95a23c | 2130 | decode_lock_inest(p); |
7c673cae FG |
2131 | break; |
2132 | ||
2133 | case CEPH_LOCK_IXATTR: | |
9f95a23c | 2134 | decode_lock_ixattr(p); |
7c673cae FG |
2135 | break; |
2136 | ||
2137 | case CEPH_LOCK_ISNAP: | |
9f95a23c | 2138 | decode_lock_isnap(p); |
7c673cae FG |
2139 | break; |
2140 | ||
2141 | case CEPH_LOCK_IFLOCK: | |
9f95a23c | 2142 | decode_lock_iflock(p); |
7c673cae FG |
2143 | break; |
2144 | ||
2145 | case CEPH_LOCK_IPOLICY: | |
9f95a23c | 2146 | decode_lock_ipolicy(p); |
7c673cae FG |
2147 | break; |
2148 | ||
2149 | default: | |
2150 | ceph_abort(); | |
2151 | } | |
9f95a23c | 2152 | DECODE_FINISH(p); |
7c673cae FG |
2153 | } |
2154 | ||
2155 | ||
2156 | bool CInode::is_dirty_scattered() | |
2157 | { | |
2158 | return | |
2159 | filelock.is_dirty_or_flushing() || | |
2160 | nestlock.is_dirty_or_flushing() || | |
2161 | dirfragtreelock.is_dirty_or_flushing(); | |
2162 | } | |
2163 | ||
2164 | void CInode::clear_scatter_dirty() | |
2165 | { | |
2166 | filelock.remove_dirty(); | |
2167 | nestlock.remove_dirty(); | |
2168 | dirfragtreelock.remove_dirty(); | |
2169 | } | |
2170 | ||
2171 | void CInode::clear_dirty_scattered(int type) | |
2172 | { | |
11fdf7f2 TL |
2173 | dout(10) << __func__ << " " << type << " on " << *this << dendl; |
2174 | ceph_assert(is_dir()); | |
7c673cae FG |
2175 | switch (type) { |
2176 | case CEPH_LOCK_IFILE: | |
2177 | item_dirty_dirfrag_dir.remove_myself(); | |
2178 | break; | |
2179 | ||
2180 | case CEPH_LOCK_INEST: | |
2181 | item_dirty_dirfrag_nest.remove_myself(); | |
2182 | break; | |
2183 | ||
2184 | case CEPH_LOCK_IDFT: | |
2185 | item_dirty_dirfrag_dirfragtree.remove_myself(); | |
2186 | break; | |
2187 | ||
2188 | default: | |
2189 | ceph_abort(); | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | ||
2194 | /* | |
2195 | * when we initially scatter a lock, we need to check if any of the dirfrags | |
2196 | * have out of date accounted_rstat/fragstat. if so, mark the lock stale. | |
2197 | */ | |
2198 | /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */ | |
2199 | void CInode::start_scatter(ScatterLock *lock) | |
2200 | { | |
11fdf7f2 TL |
2201 | dout(10) << __func__ << " " << *lock << " on " << *this << dendl; |
2202 | ceph_assert(is_auth()); | |
94b18763 | 2203 | mempool_inode *pi = get_projected_inode(); |
7c673cae | 2204 | |
94b18763 FG |
2205 | for (const auto &p : dirfrags) { |
2206 | frag_t fg = p.first; | |
2207 | CDir *dir = p.second; | |
7c673cae FG |
2208 | fnode_t *pf = dir->get_projected_fnode(); |
2209 | dout(20) << fg << " " << *dir << dendl; | |
2210 | ||
2211 | if (!dir->is_auth()) | |
2212 | continue; | |
2213 | ||
2214 | switch (lock->get_type()) { | |
2215 | case CEPH_LOCK_IFILE: | |
2216 | finish_scatter_update(lock, dir, pi->dirstat.version, pf->accounted_fragstat.version); | |
2217 | break; | |
2218 | ||
2219 | case CEPH_LOCK_INEST: | |
2220 | finish_scatter_update(lock, dir, pi->rstat.version, pf->accounted_rstat.version); | |
2221 | break; | |
2222 | ||
2223 | case CEPH_LOCK_IDFT: | |
2224 | dir->state_clear(CDir::STATE_DIRTYDFT); | |
2225 | break; | |
2226 | } | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | ||
2231 | class C_Inode_FragUpdate : public MDSLogContextBase { | |
2232 | protected: | |
2233 | CInode *in; | |
2234 | CDir *dir; | |
2235 | MutationRef mut; | |
2236 | MDSRank *get_mds() override {return in->mdcache->mds;} | |
2237 | void finish(int r) override { | |
2238 | in->_finish_frag_update(dir, mut); | |
2239 | } | |
2240 | ||
2241 | public: | |
2242 | C_Inode_FragUpdate(CInode *i, CDir *d, MutationRef& m) : in(i), dir(d), mut(m) {} | |
2243 | }; | |
2244 | ||
2245 | void CInode::finish_scatter_update(ScatterLock *lock, CDir *dir, | |
2246 | version_t inode_version, version_t dir_accounted_version) | |
2247 | { | |
2248 | frag_t fg = dir->get_frag(); | |
11fdf7f2 | 2249 | ceph_assert(dir->is_auth()); |
7c673cae FG |
2250 | |
2251 | if (dir->is_frozen()) { | |
11fdf7f2 | 2252 | dout(10) << __func__ << " " << fg << " frozen, marking " << *lock << " stale " << *dir << dendl; |
7c673cae | 2253 | } else if (dir->get_version() == 0) { |
11fdf7f2 | 2254 | dout(10) << __func__ << " " << fg << " not loaded, marking " << *lock << " stale " << *dir << dendl; |
7c673cae FG |
2255 | } else { |
2256 | if (dir_accounted_version != inode_version) { | |
11fdf7f2 | 2257 | dout(10) << __func__ << " " << fg << " journaling accounted scatterstat update v" << inode_version << dendl; |
7c673cae FG |
2258 | |
2259 | MDLog *mdlog = mdcache->mds->mdlog; | |
2260 | MutationRef mut(new MutationImpl()); | |
2261 | mut->ls = mdlog->get_current_segment(); | |
2262 | ||
94b18763 | 2263 | mempool_inode *pi = get_projected_inode(); |
7c673cae | 2264 | fnode_t *pf = dir->project_fnode(); |
7c673cae | 2265 | |
9f95a23c | 2266 | std::string_view ename; |
7c673cae FG |
2267 | switch (lock->get_type()) { |
2268 | case CEPH_LOCK_IFILE: | |
2269 | pf->fragstat.version = pi->dirstat.version; | |
2270 | pf->accounted_fragstat = pf->fragstat; | |
2271 | ename = "lock ifile accounted scatter stat update"; | |
2272 | break; | |
2273 | case CEPH_LOCK_INEST: | |
2274 | pf->rstat.version = pi->rstat.version; | |
2275 | pf->accounted_rstat = pf->rstat; | |
2276 | ename = "lock inest accounted scatter stat update"; | |
c07f9fc5 FG |
2277 | |
2278 | if (!is_auth() && lock->get_state() == LOCK_MIX) { | |
11fdf7f2 | 2279 | dout(10) << __func__ << " try to assimilate dirty rstat on " |
c07f9fc5 FG |
2280 | << *dir << dendl; |
2281 | dir->assimilate_dirty_rstat_inodes(); | |
2282 | } | |
2283 | ||
7c673cae FG |
2284 | break; |
2285 | default: | |
2286 | ceph_abort(); | |
2287 | } | |
2288 | ||
c07f9fc5 | 2289 | pf->version = dir->pre_dirty(); |
7c673cae FG |
2290 | mut->add_projected_fnode(dir); |
2291 | ||
2292 | EUpdate *le = new EUpdate(mdlog, ename); | |
2293 | mdlog->start_entry(le); | |
2294 | le->metablob.add_dir_context(dir); | |
2295 | le->metablob.add_dir(dir, true); | |
2296 | ||
11fdf7f2 | 2297 | ceph_assert(!dir->is_frozen()); |
7c673cae | 2298 | mut->auth_pin(dir); |
c07f9fc5 FG |
2299 | |
2300 | if (lock->get_type() == CEPH_LOCK_INEST && | |
2301 | !is_auth() && lock->get_state() == LOCK_MIX) { | |
11fdf7f2 | 2302 | dout(10) << __func__ << " finish assimilating dirty rstat on " |
c07f9fc5 FG |
2303 | << *dir << dendl; |
2304 | dir->assimilate_dirty_rstat_inodes_finish(mut, &le->metablob); | |
2305 | ||
2306 | if (!(pf->rstat == pf->accounted_rstat)) { | |
11fdf7f2 | 2307 | if (!mut->is_wrlocked(&nestlock)) { |
c07f9fc5 FG |
2308 | mdcache->mds->locker->wrlock_force(&nestlock, mut); |
2309 | } | |
2310 | ||
2311 | mdcache->mds->locker->mark_updated_scatterlock(&nestlock); | |
2312 | mut->ls->dirty_dirfrag_nest.push_back(&item_dirty_dirfrag_nest); | |
2313 | } | |
2314 | } | |
7c673cae FG |
2315 | |
2316 | mdlog->submit_entry(le, new C_Inode_FragUpdate(this, dir, mut)); | |
2317 | } else { | |
11fdf7f2 | 2318 | dout(10) << __func__ << " " << fg << " accounted " << *lock |
7c673cae FG |
2319 | << " scatter stat unchanged at v" << dir_accounted_version << dendl; |
2320 | } | |
2321 | } | |
2322 | } | |
2323 | ||
2324 | void CInode::_finish_frag_update(CDir *dir, MutationRef& mut) | |
2325 | { | |
11fdf7f2 | 2326 | dout(10) << __func__ << " on " << *dir << dendl; |
7c673cae | 2327 | mut->apply(); |
c07f9fc5 | 2328 | mdcache->mds->locker->drop_locks(mut.get()); |
7c673cae FG |
2329 | mut->cleanup(); |
2330 | } | |
2331 | ||
2332 | ||
2333 | /* | |
2334 | * when we gather a lock, we need to assimilate dirfrag changes into the inode | |
2335 | * state. it's possible we can't update the dirfrag accounted_rstat/fragstat | |
2336 | * because the frag is auth and frozen, or that the replica couldn't for the same | |
2337 | * reason. hopefully it will get updated the next time the lock cycles. | |
2338 | * | |
2339 | * we have two dimensions of behavior: | |
2340 | * - we may be (auth and !frozen), and able to update, or not. | |
2341 | * - the frag may be stale, or not. | |
2342 | * | |
2343 | * if the frag is non-stale, we want to assimilate the diff into the | |
2344 | * inode, regardless of whether it's auth or updateable. | |
2345 | * | |
2346 | * if we update the frag, we want to set accounted_fragstat = frag, | |
2347 | * both if we took the diff or it was stale and we are making it | |
2348 | * un-stale. | |
2349 | */ | |
2350 | /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */ | |
2351 | void CInode::finish_scatter_gather_update(int type) | |
2352 | { | |
2353 | LogChannelRef clog = mdcache->mds->clog; | |
2354 | ||
11fdf7f2 TL |
2355 | dout(10) << __func__ << " " << type << " on " << *this << dendl; |
2356 | ceph_assert(is_auth()); | |
7c673cae FG |
2357 | |
2358 | switch (type) { | |
2359 | case CEPH_LOCK_IFILE: | |
2360 | { | |
2361 | fragtree_t tmpdft = dirfragtree; | |
2362 | struct frag_info_t dirstat; | |
2363 | bool dirstat_valid = true; | |
2364 | ||
2365 | // adjust summation | |
11fdf7f2 | 2366 | ceph_assert(is_auth()); |
94b18763 | 2367 | mempool_inode *pi = get_projected_inode(); |
7c673cae FG |
2368 | |
2369 | bool touched_mtime = false, touched_chattr = false; | |
2370 | dout(20) << " orig dirstat " << pi->dirstat << dendl; | |
2371 | pi->dirstat.version++; | |
94b18763 FG |
2372 | for (const auto &p : dirfrags) { |
2373 | frag_t fg = p.first; | |
2374 | CDir *dir = p.second; | |
7c673cae FG |
2375 | dout(20) << fg << " " << *dir << dendl; |
2376 | ||
2377 | bool update; | |
2378 | if (dir->get_version() != 0) { | |
2379 | update = dir->is_auth() && !dir->is_frozen(); | |
2380 | } else { | |
2381 | update = false; | |
2382 | dirstat_valid = false; | |
2383 | } | |
2384 | ||
2385 | fnode_t *pf = dir->get_projected_fnode(); | |
2386 | if (update) | |
2387 | pf = dir->project_fnode(); | |
2388 | ||
2389 | if (pf->accounted_fragstat.version == pi->dirstat.version - 1) { | |
2390 | dout(20) << fg << " fragstat " << pf->fragstat << dendl; | |
2391 | dout(20) << fg << " accounted_fragstat " << pf->accounted_fragstat << dendl; | |
2392 | pi->dirstat.add_delta(pf->fragstat, pf->accounted_fragstat, &touched_mtime, &touched_chattr); | |
2393 | } else { | |
2394 | dout(20) << fg << " skipping STALE accounted_fragstat " << pf->accounted_fragstat << dendl; | |
2395 | } | |
2396 | ||
2397 | if (pf->fragstat.nfiles < 0 || | |
2398 | pf->fragstat.nsubdirs < 0) { | |
2399 | clog->error() << "bad/negative dir size on " | |
2400 | << dir->dirfrag() << " " << pf->fragstat; | |
11fdf7f2 | 2401 | ceph_assert(!"bad/negative fragstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2402 | |
2403 | if (pf->fragstat.nfiles < 0) | |
2404 | pf->fragstat.nfiles = 0; | |
2405 | if (pf->fragstat.nsubdirs < 0) | |
2406 | pf->fragstat.nsubdirs = 0; | |
2407 | } | |
2408 | ||
2409 | if (update) { | |
2410 | pf->accounted_fragstat = pf->fragstat; | |
2411 | pf->fragstat.version = pf->accounted_fragstat.version = pi->dirstat.version; | |
2412 | dout(10) << fg << " updated accounted_fragstat " << pf->fragstat << " on " << *dir << dendl; | |
2413 | } | |
2414 | ||
2415 | tmpdft.force_to_leaf(g_ceph_context, fg); | |
2416 | dirstat.add(pf->fragstat); | |
2417 | } | |
2418 | if (touched_mtime) | |
2419 | pi->mtime = pi->ctime = pi->dirstat.mtime; | |
2420 | if (touched_chattr) | |
2421 | pi->change_attr = pi->dirstat.change_attr; | |
2422 | dout(20) << " final dirstat " << pi->dirstat << dendl; | |
2423 | ||
2424 | if (dirstat_valid && !dirstat.same_sums(pi->dirstat)) { | |
11fdf7f2 TL |
2425 | frag_vec_t leaves; |
2426 | tmpdft.get_leaves_under(frag_t(), leaves); | |
2427 | for (const auto& leaf : leaves) { | |
2428 | if (!dirfrags.count(leaf)) { | |
7c673cae FG |
2429 | dirstat_valid = false; |
2430 | break; | |
2431 | } | |
11fdf7f2 | 2432 | } |
7c673cae FG |
2433 | if (dirstat_valid) { |
2434 | if (state_test(CInode::STATE_REPAIRSTATS)) { | |
2435 | dout(20) << " dirstat mismatch, fixing" << dendl; | |
2436 | } else { | |
2437 | clog->error() << "unmatched fragstat on " << ino() << ", inode has " | |
2438 | << pi->dirstat << ", dirfrags have " << dirstat; | |
11fdf7f2 | 2439 | ceph_assert(!"unmatched fragstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2440 | } |
2441 | // trust the dirfrags for now | |
2442 | version_t v = pi->dirstat.version; | |
2443 | if (pi->dirstat.mtime > dirstat.mtime) | |
2444 | dirstat.mtime = pi->dirstat.mtime; | |
2445 | if (pi->dirstat.change_attr > dirstat.change_attr) | |
2446 | dirstat.change_attr = pi->dirstat.change_attr; | |
2447 | pi->dirstat = dirstat; | |
2448 | pi->dirstat.version = v; | |
2449 | } | |
2450 | } | |
2451 | ||
d2e6a577 FG |
2452 | if (pi->dirstat.nfiles < 0 || pi->dirstat.nsubdirs < 0) |
2453 | { | |
2454 | std::string path; | |
2455 | make_path_string(path); | |
2456 | clog->error() << "Inconsistent statistics detected: fragstat on inode " | |
2457 | << ino() << " (" << path << "), inode has " << pi->dirstat; | |
11fdf7f2 | 2458 | ceph_assert(!"bad/negative fragstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2459 | |
2460 | if (pi->dirstat.nfiles < 0) | |
2461 | pi->dirstat.nfiles = 0; | |
2462 | if (pi->dirstat.nsubdirs < 0) | |
2463 | pi->dirstat.nsubdirs = 0; | |
2464 | } | |
2465 | } | |
2466 | break; | |
2467 | ||
2468 | case CEPH_LOCK_INEST: | |
2469 | { | |
11fdf7f2 TL |
2470 | // adjust summation |
2471 | ceph_assert(is_auth()); | |
2472 | ||
7c673cae FG |
2473 | fragtree_t tmpdft = dirfragtree; |
2474 | nest_info_t rstat; | |
7c673cae FG |
2475 | bool rstat_valid = true; |
2476 | ||
11fdf7f2 TL |
2477 | rstat.rsubdirs = 1; |
2478 | if (const sr_t *srnode = get_projected_srnode(); srnode) | |
2479 | rstat.rsnaps = srnode->snaps.size(); | |
2480 | ||
94b18763 | 2481 | mempool_inode *pi = get_projected_inode(); |
7c673cae FG |
2482 | dout(20) << " orig rstat " << pi->rstat << dendl; |
2483 | pi->rstat.version++; | |
94b18763 FG |
2484 | for (const auto &p : dirfrags) { |
2485 | frag_t fg = p.first; | |
2486 | CDir *dir = p.second; | |
7c673cae FG |
2487 | dout(20) << fg << " " << *dir << dendl; |
2488 | ||
2489 | bool update; | |
2490 | if (dir->get_version() != 0) { | |
2491 | update = dir->is_auth() && !dir->is_frozen(); | |
2492 | } else { | |
2493 | update = false; | |
2494 | rstat_valid = false; | |
2495 | } | |
2496 | ||
2497 | fnode_t *pf = dir->get_projected_fnode(); | |
2498 | if (update) | |
2499 | pf = dir->project_fnode(); | |
2500 | ||
2501 | if (pf->accounted_rstat.version == pi->rstat.version-1) { | |
2502 | // only pull this frag's dirty rstat inodes into the frag if | |
2503 | // the frag is non-stale and updateable. if it's stale, | |
2504 | // that info will just get thrown out! | |
2505 | if (update) | |
2506 | dir->assimilate_dirty_rstat_inodes(); | |
2507 | ||
2508 | dout(20) << fg << " rstat " << pf->rstat << dendl; | |
2509 | dout(20) << fg << " accounted_rstat " << pf->accounted_rstat << dendl; | |
2510 | dout(20) << fg << " dirty_old_rstat " << dir->dirty_old_rstat << dendl; | |
2511 | mdcache->project_rstat_frag_to_inode(pf->rstat, pf->accounted_rstat, | |
2512 | dir->first, CEPH_NOSNAP, this, true); | |
94b18763 FG |
2513 | for (auto &p : dir->dirty_old_rstat) { |
2514 | mdcache->project_rstat_frag_to_inode(p.second.rstat, p.second.accounted_rstat, | |
2515 | p.second.first, p.first, this, true); | |
2516 | } | |
7c673cae FG |
2517 | if (update) // dir contents not valid if frozen or non-auth |
2518 | dir->check_rstats(); | |
2519 | } else { | |
2520 | dout(20) << fg << " skipping STALE accounted_rstat " << pf->accounted_rstat << dendl; | |
2521 | } | |
2522 | if (update) { | |
2523 | pf->accounted_rstat = pf->rstat; | |
2524 | dir->dirty_old_rstat.clear(); | |
2525 | pf->rstat.version = pf->accounted_rstat.version = pi->rstat.version; | |
2526 | dir->check_rstats(); | |
2527 | dout(10) << fg << " updated accounted_rstat " << pf->rstat << " on " << *dir << dendl; | |
2528 | } | |
2529 | ||
2530 | tmpdft.force_to_leaf(g_ceph_context, fg); | |
2531 | rstat.add(pf->rstat); | |
2532 | } | |
2533 | dout(20) << " final rstat " << pi->rstat << dendl; | |
2534 | ||
2535 | if (rstat_valid && !rstat.same_sums(pi->rstat)) { | |
11fdf7f2 TL |
2536 | frag_vec_t leaves; |
2537 | tmpdft.get_leaves_under(frag_t(), leaves); | |
2538 | for (const auto& leaf : leaves) { | |
2539 | if (!dirfrags.count(leaf)) { | |
7c673cae FG |
2540 | rstat_valid = false; |
2541 | break; | |
2542 | } | |
11fdf7f2 | 2543 | } |
7c673cae FG |
2544 | if (rstat_valid) { |
2545 | if (state_test(CInode::STATE_REPAIRSTATS)) { | |
2546 | dout(20) << " rstat mismatch, fixing" << dendl; | |
2547 | } else { | |
d2e6a577 FG |
2548 | clog->error() << "inconsistent rstat on inode " << ino() |
2549 | << ", inode has " << pi->rstat | |
2550 | << ", directory fragments have " << rstat; | |
11fdf7f2 | 2551 | ceph_assert(!"unmatched rstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2552 | } |
2553 | // trust the dirfrag for now | |
2554 | version_t v = pi->rstat.version; | |
2555 | if (pi->rstat.rctime > rstat.rctime) | |
2556 | rstat.rctime = pi->rstat.rctime; | |
2557 | pi->rstat = rstat; | |
2558 | pi->rstat.version = v; | |
2559 | } | |
2560 | } | |
2561 | ||
2562 | mdcache->broadcast_quota_to_client(this); | |
2563 | } | |
2564 | break; | |
2565 | ||
2566 | case CEPH_LOCK_IDFT: | |
2567 | break; | |
2568 | ||
2569 | default: | |
2570 | ceph_abort(); | |
2571 | } | |
2572 | } | |
2573 | ||
2574 | void CInode::finish_scatter_gather_update_accounted(int type, MutationRef& mut, EMetaBlob *metablob) | |
2575 | { | |
11fdf7f2 TL |
2576 | dout(10) << __func__ << " " << type << " on " << *this << dendl; |
2577 | ceph_assert(is_auth()); | |
7c673cae | 2578 | |
94b18763 FG |
2579 | for (const auto &p : dirfrags) { |
2580 | CDir *dir = p.second; | |
7c673cae FG |
2581 | if (!dir->is_auth() || dir->get_version() == 0 || dir->is_frozen()) |
2582 | continue; | |
2583 | ||
2584 | if (type == CEPH_LOCK_IDFT) | |
2585 | continue; // nothing to do. | |
2586 | ||
2587 | dout(10) << " journaling updated frag accounted_ on " << *dir << dendl; | |
11fdf7f2 | 2588 | ceph_assert(dir->is_projected()); |
7c673cae FG |
2589 | fnode_t *pf = dir->get_projected_fnode(); |
2590 | pf->version = dir->pre_dirty(); | |
2591 | mut->add_projected_fnode(dir); | |
2592 | metablob->add_dir(dir, true); | |
2593 | mut->auth_pin(dir); | |
2594 | ||
2595 | if (type == CEPH_LOCK_INEST) | |
2596 | dir->assimilate_dirty_rstat_inodes_finish(mut, metablob); | |
2597 | } | |
2598 | } | |
2599 | ||
2600 | // waiting | |
2601 | ||
2602 | bool CInode::is_frozen() const | |
2603 | { | |
2604 | if (is_frozen_inode()) return true; | |
2605 | if (parent && parent->dir->is_frozen()) return true; | |
2606 | return false; | |
2607 | } | |
2608 | ||
2609 | bool CInode::is_frozen_dir() const | |
2610 | { | |
2611 | if (parent && parent->dir->is_frozen_dir()) return true; | |
2612 | return false; | |
2613 | } | |
2614 | ||
2615 | bool CInode::is_freezing() const | |
2616 | { | |
2617 | if (is_freezing_inode()) return true; | |
2618 | if (parent && parent->dir->is_freezing()) return true; | |
2619 | return false; | |
2620 | } | |
2621 | ||
11fdf7f2 | 2622 | void CInode::add_dir_waiter(frag_t fg, MDSContext *c) |
7c673cae FG |
2623 | { |
2624 | if (waiting_on_dir.empty()) | |
2625 | get(PIN_DIRWAITER); | |
2626 | waiting_on_dir[fg].push_back(c); | |
11fdf7f2 | 2627 | dout(10) << __func__ << " frag " << fg << " " << c << " on " << *this << dendl; |
7c673cae FG |
2628 | } |
2629 | ||
11fdf7f2 | 2630 | void CInode::take_dir_waiting(frag_t fg, MDSContext::vec& ls) |
7c673cae FG |
2631 | { |
2632 | if (waiting_on_dir.empty()) | |
2633 | return; | |
2634 | ||
94b18763 FG |
2635 | auto it = waiting_on_dir.find(fg); |
2636 | if (it != waiting_on_dir.end()) { | |
2637 | dout(10) << __func__ << " frag " << fg << " on " << *this << dendl; | |
11fdf7f2 TL |
2638 | auto& waiting = it->second; |
2639 | ls.insert(ls.end(), waiting.begin(), waiting.end()); | |
94b18763 | 2640 | waiting_on_dir.erase(it); |
7c673cae FG |
2641 | |
2642 | if (waiting_on_dir.empty()) | |
2643 | put(PIN_DIRWAITER); | |
2644 | } | |
2645 | } | |
2646 | ||
11fdf7f2 | 2647 | void CInode::add_waiter(uint64_t tag, MDSContext *c) |
7c673cae | 2648 | { |
11fdf7f2 | 2649 | dout(10) << __func__ << " tag " << std::hex << tag << std::dec << " " << c |
7c673cae FG |
2650 | << " !ambig " << !state_test(STATE_AMBIGUOUSAUTH) |
2651 | << " !frozen " << !is_frozen_inode() | |
2652 | << " !freezing " << !is_freezing_inode() | |
2653 | << dendl; | |
2654 | // wait on the directory? | |
2655 | // make sure its not the inode that is explicitly ambiguous|freezing|frozen | |
2656 | if (((tag & WAIT_SINGLEAUTH) && !state_test(STATE_AMBIGUOUSAUTH)) || | |
2657 | ((tag & WAIT_UNFREEZE) && | |
2658 | !is_frozen_inode() && !is_freezing_inode() && !is_frozen_auth_pin())) { | |
2659 | dout(15) << "passing waiter up tree" << dendl; | |
2660 | parent->dir->add_waiter(tag, c); | |
2661 | return; | |
2662 | } | |
2663 | dout(15) << "taking waiter here" << dendl; | |
2664 | MDSCacheObject::add_waiter(tag, c); | |
2665 | } | |
2666 | ||
11fdf7f2 | 2667 | void CInode::take_waiting(uint64_t mask, MDSContext::vec& ls) |
7c673cae FG |
2668 | { |
2669 | if ((mask & WAIT_DIR) && !waiting_on_dir.empty()) { | |
2670 | // take all dentry waiters | |
2671 | while (!waiting_on_dir.empty()) { | |
94b18763 FG |
2672 | auto it = waiting_on_dir.begin(); |
2673 | dout(10) << __func__ << " dirfrag " << it->first << " on " << *this << dendl; | |
11fdf7f2 TL |
2674 | auto& waiting = it->second; |
2675 | ls.insert(ls.end(), waiting.begin(), waiting.end()); | |
94b18763 | 2676 | waiting_on_dir.erase(it); |
7c673cae FG |
2677 | } |
2678 | put(PIN_DIRWAITER); | |
2679 | } | |
2680 | ||
2681 | // waiting | |
2682 | MDSCacheObject::take_waiting(mask, ls); | |
2683 | } | |
2684 | ||
9f95a23c TL |
2685 | void CInode::maybe_finish_freeze_inode() |
2686 | { | |
2687 | CDir *dir = get_parent_dir(); | |
2688 | if (auth_pins > auth_pin_freeze_allowance || dir->frozen_inode_suppressed) | |
2689 | return; | |
2690 | ||
2691 | dout(10) << "maybe_finish_freeze_inode - frozen" << dendl; | |
2692 | ceph_assert(auth_pins == auth_pin_freeze_allowance); | |
2693 | get(PIN_FROZEN); | |
2694 | put(PIN_FREEZING); | |
2695 | state_clear(STATE_FREEZING); | |
2696 | state_set(STATE_FROZEN); | |
2697 | ||
2698 | item_freezing_inode.remove_myself(); | |
2699 | dir->num_frozen_inodes++; | |
2700 | ||
2701 | finish_waiting(WAIT_FROZEN); | |
2702 | } | |
2703 | ||
7c673cae FG |
2704 | bool CInode::freeze_inode(int auth_pin_allowance) |
2705 | { | |
9f95a23c TL |
2706 | CDir *dir = get_parent_dir(); |
2707 | ceph_assert(dir); | |
2708 | ||
11fdf7f2 TL |
2709 | ceph_assert(auth_pin_allowance > 0); // otherwise we need to adjust parent's nested_auth_pins |
2710 | ceph_assert(auth_pins >= auth_pin_allowance); | |
9f95a23c TL |
2711 | if (auth_pins == auth_pin_allowance && !dir->frozen_inode_suppressed) { |
2712 | dout(10) << "freeze_inode - frozen" << dendl; | |
2713 | if (!state_test(STATE_FROZEN)) { | |
2714 | get(PIN_FROZEN); | |
2715 | state_set(STATE_FROZEN); | |
2716 | dir->num_frozen_inodes++; | |
2717 | } | |
2718 | return true; | |
7c673cae FG |
2719 | } |
2720 | ||
9f95a23c TL |
2721 | dout(10) << "freeze_inode - waiting for auth_pins to drop to " << auth_pin_allowance << dendl; |
2722 | auth_pin_freeze_allowance = auth_pin_allowance; | |
2723 | dir->freezing_inodes.push_back(&item_freezing_inode); | |
2724 | ||
2725 | get(PIN_FREEZING); | |
2726 | state_set(STATE_FREEZING); | |
2727 | ||
2728 | if (!dir->lock_caches_with_auth_pins.empty()) | |
2729 | mdcache->mds->locker->invalidate_lock_caches(dir); | |
2730 | ||
2731 | const static int lock_types[] = { | |
2732 | CEPH_LOCK_IVERSION, CEPH_LOCK_IFILE, CEPH_LOCK_IAUTH, CEPH_LOCK_ILINK, CEPH_LOCK_IDFT, | |
2733 | CEPH_LOCK_IXATTR, CEPH_LOCK_ISNAP, CEPH_LOCK_INEST, CEPH_LOCK_IFLOCK, CEPH_LOCK_IPOLICY, 0 | |
2734 | }; | |
2735 | for (int i = 0; lock_types[i]; ++i) { | |
2736 | auto lock = get_lock(lock_types[i]); | |
2737 | if (lock->is_cached()) | |
2738 | mdcache->mds->locker->invalidate_lock_caches(lock); | |
7c673cae | 2739 | } |
9f95a23c TL |
2740 | // invalidate_lock_caches() may decrease dir->frozen_inode_suppressed |
2741 | // and finish freezing the inode | |
2742 | return state_test(STATE_FROZEN); | |
7c673cae FG |
2743 | } |
2744 | ||
11fdf7f2 | 2745 | void CInode::unfreeze_inode(MDSContext::vec& finished) |
7c673cae | 2746 | { |
11fdf7f2 | 2747 | dout(10) << __func__ << dendl; |
7c673cae FG |
2748 | if (state_test(STATE_FREEZING)) { |
2749 | state_clear(STATE_FREEZING); | |
2750 | put(PIN_FREEZING); | |
9f95a23c | 2751 | item_freezing_inode.remove_myself(); |
7c673cae FG |
2752 | } else if (state_test(STATE_FROZEN)) { |
2753 | state_clear(STATE_FROZEN); | |
2754 | put(PIN_FROZEN); | |
9f95a23c | 2755 | get_parent_dir()->num_frozen_inodes--; |
7c673cae FG |
2756 | } else |
2757 | ceph_abort(); | |
2758 | take_waiting(WAIT_UNFREEZE, finished); | |
2759 | } | |
2760 | ||
2761 | void CInode::unfreeze_inode() | |
2762 | { | |
11fdf7f2 | 2763 | MDSContext::vec finished; |
7c673cae FG |
2764 | unfreeze_inode(finished); |
2765 | mdcache->mds->queue_waiters(finished); | |
2766 | } | |
2767 | ||
2768 | void CInode::freeze_auth_pin() | |
2769 | { | |
11fdf7f2 | 2770 | ceph_assert(state_test(CInode::STATE_FROZEN)); |
7c673cae | 2771 | state_set(CInode::STATE_FROZENAUTHPIN); |
9f95a23c | 2772 | get_parent_dir()->num_frozen_inodes++; |
7c673cae FG |
2773 | } |
2774 | ||
2775 | void CInode::unfreeze_auth_pin() | |
2776 | { | |
11fdf7f2 | 2777 | ceph_assert(state_test(CInode::STATE_FROZENAUTHPIN)); |
7c673cae | 2778 | state_clear(CInode::STATE_FROZENAUTHPIN); |
9f95a23c | 2779 | get_parent_dir()->num_frozen_inodes--; |
7c673cae | 2780 | if (!state_test(STATE_FREEZING|STATE_FROZEN)) { |
11fdf7f2 | 2781 | MDSContext::vec finished; |
7c673cae FG |
2782 | take_waiting(WAIT_UNFREEZE, finished); |
2783 | mdcache->mds->queue_waiters(finished); | |
2784 | } | |
2785 | } | |
2786 | ||
11fdf7f2 | 2787 | void CInode::clear_ambiguous_auth(MDSContext::vec& finished) |
7c673cae | 2788 | { |
11fdf7f2 | 2789 | ceph_assert(state_test(CInode::STATE_AMBIGUOUSAUTH)); |
7c673cae FG |
2790 | state_clear(CInode::STATE_AMBIGUOUSAUTH); |
2791 | take_waiting(CInode::WAIT_SINGLEAUTH, finished); | |
2792 | } | |
2793 | ||
2794 | void CInode::clear_ambiguous_auth() | |
2795 | { | |
11fdf7f2 | 2796 | MDSContext::vec finished; |
7c673cae FG |
2797 | clear_ambiguous_auth(finished); |
2798 | mdcache->mds->queue_waiters(finished); | |
2799 | } | |
2800 | ||
2801 | // auth_pins | |
91327a77 AA |
2802 | bool CInode::can_auth_pin(int *err_ret) const { |
2803 | int err; | |
2804 | if (!is_auth()) { | |
2805 | err = ERR_NOT_AUTH; | |
2806 | } else if (is_freezing_inode() || is_frozen_inode() || is_frozen_auth_pin()) { | |
2807 | err = ERR_EXPORTING_INODE; | |
2808 | } else { | |
2809 | if (parent) | |
2810 | return parent->can_auth_pin(err_ret); | |
2811 | err = 0; | |
2812 | } | |
2813 | if (err && err_ret) | |
2814 | *err_ret = err; | |
2815 | return !err; | |
7c673cae FG |
2816 | } |
2817 | ||
2818 | void CInode::auth_pin(void *by) | |
2819 | { | |
2820 | if (auth_pins == 0) | |
2821 | get(PIN_AUTHPIN); | |
2822 | auth_pins++; | |
2823 | ||
2824 | #ifdef MDS_AUTHPIN_SET | |
2825 | auth_pin_set.insert(by); | |
2826 | #endif | |
2827 | ||
11fdf7f2 | 2828 | dout(10) << "auth_pin by " << by << " on " << *this << " now " << auth_pins << dendl; |
7c673cae FG |
2829 | |
2830 | if (parent) | |
11fdf7f2 | 2831 | parent->adjust_nested_auth_pins(1, this); |
7c673cae FG |
2832 | } |
2833 | ||
2834 | void CInode::auth_unpin(void *by) | |
2835 | { | |
2836 | auth_pins--; | |
2837 | ||
2838 | #ifdef MDS_AUTHPIN_SET | |
11fdf7f2 TL |
2839 | { |
2840 | auto it = auth_pin_set.find(by); | |
2841 | ceph_assert(it != auth_pin_set.end()); | |
2842 | auth_pin_set.erase(it); | |
2843 | } | |
7c673cae FG |
2844 | #endif |
2845 | ||
2846 | if (auth_pins == 0) | |
2847 | put(PIN_AUTHPIN); | |
2848 | ||
11fdf7f2 | 2849 | dout(10) << "auth_unpin by " << by << " on " << *this << " now " << auth_pins << dendl; |
7c673cae | 2850 | |
11fdf7f2 | 2851 | ceph_assert(auth_pins >= 0); |
7c673cae FG |
2852 | |
2853 | if (parent) | |
11fdf7f2 | 2854 | parent->adjust_nested_auth_pins(-1, by); |
7c673cae | 2855 | |
9f95a23c TL |
2856 | if (is_freezing_inode()) |
2857 | maybe_finish_freeze_inode(); | |
7c673cae FG |
2858 | } |
2859 | ||
7c673cae FG |
2860 | // authority |
2861 | ||
2862 | mds_authority_t CInode::authority() const | |
2863 | { | |
2864 | if (inode_auth.first >= 0) | |
2865 | return inode_auth; | |
2866 | ||
2867 | if (parent) | |
2868 | return parent->dir->authority(); | |
2869 | ||
2870 | // new items that are not yet linked in (in the committed plane) belong | |
2871 | // to their first parent. | |
2872 | if (!projected_parent.empty()) | |
2873 | return projected_parent.front()->dir->authority(); | |
2874 | ||
2875 | return CDIR_AUTH_UNDEF; | |
2876 | } | |
2877 | ||
2878 | ||
2879 | // SNAP | |
2880 | ||
2881 | snapid_t CInode::get_oldest_snap() | |
2882 | { | |
2883 | snapid_t t = first; | |
2884 | if (!old_inodes.empty()) | |
2885 | t = old_inodes.begin()->second.first; | |
11fdf7f2 | 2886 | return std::min(t, oldest_snap); |
7c673cae FG |
2887 | } |
2888 | ||
94b18763 | 2889 | CInode::mempool_old_inode& CInode::cow_old_inode(snapid_t follows, bool cow_head) |
7c673cae | 2890 | { |
11fdf7f2 | 2891 | ceph_assert(follows >= first); |
7c673cae | 2892 | |
94b18763 FG |
2893 | mempool_inode *pi = cow_head ? get_projected_inode() : get_previous_projected_inode(); |
2894 | mempool_xattr_map *px = cow_head ? get_projected_xattrs() : get_previous_projected_xattrs(); | |
7c673cae | 2895 | |
94b18763 | 2896 | mempool_old_inode &old = old_inodes[follows]; |
7c673cae FG |
2897 | old.first = first; |
2898 | old.inode = *pi; | |
2899 | old.xattrs = *px; | |
2900 | ||
2901 | if (first < oldest_snap) | |
2902 | oldest_snap = first; | |
2903 | ||
2904 | dout(10) << " " << px->size() << " xattrs cowed, " << *px << dendl; | |
2905 | ||
2906 | old.inode.trim_client_ranges(follows); | |
2907 | ||
11fdf7f2 | 2908 | if (g_conf()->mds_snap_rstat && |
7c673cae FG |
2909 | !(old.inode.rstat == old.inode.accounted_rstat)) |
2910 | dirty_old_rstats.insert(follows); | |
2911 | ||
2912 | first = follows+1; | |
2913 | ||
11fdf7f2 | 2914 | dout(10) << __func__ << " " << (cow_head ? "head" : "previous_head" ) |
7c673cae FG |
2915 | << " to [" << old.first << "," << follows << "] on " |
2916 | << *this << dendl; | |
2917 | ||
2918 | return old; | |
2919 | } | |
2920 | ||
2921 | void CInode::split_old_inode(snapid_t snap) | |
2922 | { | |
94b18763 | 2923 | auto it = old_inodes.lower_bound(snap); |
11fdf7f2 | 2924 | ceph_assert(it != old_inodes.end() && it->second.first < snap); |
7c673cae | 2925 | |
94b18763 FG |
2926 | mempool_old_inode &old = old_inodes[snap - 1]; |
2927 | old = it->second; | |
7c673cae | 2928 | |
94b18763 FG |
2929 | it->second.first = snap; |
2930 | dout(10) << __func__ << " " << "[" << old.first << "," << it->first | |
2931 | << "] to [" << snap << "," << it->first << "] on " << *this << dendl; | |
7c673cae FG |
2932 | } |
2933 | ||
2934 | void CInode::pre_cow_old_inode() | |
2935 | { | |
11fdf7f2 | 2936 | snapid_t follows = mdcache->get_global_snaprealm()->get_newest_seq(); |
7c673cae FG |
2937 | if (first <= follows) |
2938 | cow_old_inode(follows, true); | |
2939 | } | |
2940 | ||
11fdf7f2 TL |
2941 | bool CInode::has_snap_data(snapid_t snapid) |
2942 | { | |
2943 | bool found = snapid >= first && snapid <= last; | |
2944 | if (!found && is_multiversion()) { | |
2945 | auto p = old_inodes.lower_bound(snapid); | |
2946 | if (p != old_inodes.end()) { | |
2947 | if (p->second.first > snapid) { | |
2948 | if (p != old_inodes.begin()) | |
2949 | --p; | |
2950 | } | |
2951 | if (p->second.first <= snapid && snapid <= p->first) { | |
2952 | found = true; | |
2953 | } | |
2954 | } | |
2955 | } | |
2956 | return found; | |
2957 | } | |
2958 | ||
7c673cae FG |
2959 | void CInode::purge_stale_snap_data(const set<snapid_t>& snaps) |
2960 | { | |
11fdf7f2 | 2961 | dout(10) << __func__ << " " << snaps << dendl; |
7c673cae | 2962 | |
94b18763 FG |
2963 | for (auto it = old_inodes.begin(); it != old_inodes.end(); ) { |
2964 | const snapid_t &id = it->first; | |
2965 | const auto &s = snaps.lower_bound(it->second.first); | |
2966 | if (s == snaps.end() || *s > id) { | |
2967 | dout(10) << " purging old_inode [" << it->second.first << "," << id << "]" << dendl; | |
2968 | it = old_inodes.erase(it); | |
2969 | } else { | |
2970 | ++it; | |
2971 | } | |
7c673cae FG |
2972 | } |
2973 | } | |
2974 | ||
2975 | /* | |
2976 | * pick/create an old_inode | |
2977 | */ | |
94b18763 | 2978 | CInode::mempool_old_inode * CInode::pick_old_inode(snapid_t snap) |
7c673cae | 2979 | { |
94b18763 FG |
2980 | auto it = old_inodes.lower_bound(snap); // p is first key >= to snap |
2981 | if (it != old_inodes.end() && it->second.first <= snap) { | |
2982 | dout(10) << __func__ << " snap " << snap << " -> [" << it->second.first << "," << it->first << "]" << dendl; | |
2983 | return &it->second; | |
7c673cae | 2984 | } |
11fdf7f2 | 2985 | dout(10) << __func__ << " snap " << snap << " -> nothing" << dendl; |
7c673cae FG |
2986 | return NULL; |
2987 | } | |
2988 | ||
2989 | void CInode::open_snaprealm(bool nosplit) | |
2990 | { | |
2991 | if (!snaprealm) { | |
2992 | SnapRealm *parent = find_snaprealm(); | |
2993 | snaprealm = new SnapRealm(mdcache, this); | |
2994 | if (parent) { | |
11fdf7f2 | 2995 | dout(10) << __func__ << " " << snaprealm |
7c673cae FG |
2996 | << " parent is " << parent |
2997 | << dendl; | |
2998 | dout(30) << " siblings are " << parent->open_children << dendl; | |
2999 | snaprealm->parent = parent; | |
3000 | if (!nosplit) | |
3001 | parent->split_at(snaprealm); | |
3002 | parent->open_children.insert(snaprealm); | |
3003 | } | |
3004 | } | |
3005 | } | |
3006 | void CInode::close_snaprealm(bool nojoin) | |
3007 | { | |
3008 | if (snaprealm) { | |
11fdf7f2 | 3009 | dout(15) << __func__ << " " << *snaprealm << dendl; |
7c673cae FG |
3010 | snaprealm->close_parents(); |
3011 | if (snaprealm->parent) { | |
3012 | snaprealm->parent->open_children.erase(snaprealm); | |
3013 | //if (!nojoin) | |
3014 | //snaprealm->parent->join(snaprealm); | |
3015 | } | |
3016 | delete snaprealm; | |
3017 | snaprealm = 0; | |
3018 | } | |
3019 | } | |
3020 | ||
3021 | SnapRealm *CInode::find_snaprealm() const | |
3022 | { | |
3023 | const CInode *cur = this; | |
3024 | while (!cur->snaprealm) { | |
11fdf7f2 TL |
3025 | const CDentry *pdn = cur->get_oldest_parent_dn(); |
3026 | if (!pdn) | |
7c673cae | 3027 | break; |
11fdf7f2 | 3028 | cur = pdn->get_dir()->get_inode(); |
7c673cae FG |
3029 | } |
3030 | return cur->snaprealm; | |
3031 | } | |
3032 | ||
3033 | void CInode::encode_snap_blob(bufferlist &snapbl) | |
3034 | { | |
3035 | if (snaprealm) { | |
11fdf7f2 TL |
3036 | using ceph::encode; |
3037 | encode(snaprealm->srnode, snapbl); | |
3038 | dout(20) << __func__ << " " << *snaprealm << dendl; | |
7c673cae FG |
3039 | } |
3040 | } | |
11fdf7f2 | 3041 | void CInode::decode_snap_blob(const bufferlist& snapbl) |
7c673cae | 3042 | { |
11fdf7f2 | 3043 | using ceph::decode; |
7c673cae FG |
3044 | if (snapbl.length()) { |
3045 | open_snaprealm(); | |
11fdf7f2 TL |
3046 | auto old_flags = snaprealm->srnode.flags; |
3047 | auto p = snapbl.cbegin(); | |
3048 | decode(snaprealm->srnode, p); | |
7c673cae FG |
3049 | if (is_base()) { |
3050 | bool ok = snaprealm->_open_parents(NULL); | |
11fdf7f2 TL |
3051 | ceph_assert(ok); |
3052 | } else { | |
3053 | if ((snaprealm->srnode.flags ^ old_flags) & sr_t::PARENT_GLOBAL) { | |
3054 | snaprealm->close_parents(); | |
3055 | snaprealm->adjust_parent(); | |
3056 | } | |
7c673cae | 3057 | } |
11fdf7f2 | 3058 | dout(20) << __func__ << " " << *snaprealm << dendl; |
92f5a8d4 TL |
3059 | } else if (snaprealm && |
3060 | !is_root() && !is_mdsdir()) { // see https://tracker.ceph.com/issues/42675 | |
11fdf7f2 TL |
3061 | ceph_assert(mdcache->mds->is_any_replay()); |
3062 | snaprealm->merge_to(NULL); | |
7c673cae FG |
3063 | } |
3064 | } | |
3065 | ||
3066 | void CInode::encode_snap(bufferlist& bl) | |
3067 | { | |
9f95a23c | 3068 | ENCODE_START(1, 1, bl); |
7c673cae FG |
3069 | bufferlist snapbl; |
3070 | encode_snap_blob(snapbl); | |
11fdf7f2 TL |
3071 | encode(snapbl, bl); |
3072 | encode(oldest_snap, bl); | |
9f95a23c | 3073 | ENCODE_FINISH(bl); |
11fdf7f2 | 3074 | } |
7c673cae | 3075 | |
11fdf7f2 | 3076 | void CInode::decode_snap(bufferlist::const_iterator& p) |
7c673cae | 3077 | { |
9f95a23c | 3078 | DECODE_START(1, p); |
7c673cae | 3079 | bufferlist snapbl; |
11fdf7f2 TL |
3080 | decode(snapbl, p); |
3081 | decode(oldest_snap, p); | |
7c673cae | 3082 | decode_snap_blob(snapbl); |
9f95a23c | 3083 | DECODE_FINISH(p); |
7c673cae FG |
3084 | } |
3085 | ||
3086 | // ============================================= | |
3087 | ||
3088 | client_t CInode::calc_ideal_loner() | |
3089 | { | |
3090 | if (mdcache->is_readonly()) | |
3091 | return -1; | |
11fdf7f2 | 3092 | if (!get_mds_caps_wanted().empty()) |
7c673cae FG |
3093 | return -1; |
3094 | ||
3095 | int n = 0; | |
3096 | client_t loner = -1; | |
11fdf7f2 TL |
3097 | for (const auto &p : client_caps) { |
3098 | if (!p.second.is_stale() && | |
9f95a23c TL |
3099 | (is_dir() ? |
3100 | !has_subtree_or_exporting_dirfrag() : | |
3101 | (p.second.wanted() & (CEPH_CAP_ANY_WR|CEPH_CAP_FILE_RD)))) { | |
7c673cae FG |
3102 | if (n) |
3103 | return -1; | |
3104 | n++; | |
11fdf7f2 | 3105 | loner = p.first; |
7c673cae | 3106 | } |
11fdf7f2 | 3107 | } |
7c673cae FG |
3108 | return loner; |
3109 | } | |
3110 | ||
b32b8144 | 3111 | bool CInode::choose_ideal_loner() |
7c673cae FG |
3112 | { |
3113 | want_loner_cap = calc_ideal_loner(); | |
b32b8144 FG |
3114 | int changed = false; |
3115 | if (loner_cap >= 0 && loner_cap != want_loner_cap) { | |
3116 | if (!try_drop_loner()) | |
3117 | return false; | |
3118 | changed = true; | |
3119 | } | |
3120 | ||
3121 | if (want_loner_cap >= 0) { | |
3122 | if (loner_cap < 0) { | |
3123 | set_loner_cap(want_loner_cap); | |
3124 | changed = true; | |
3125 | } else | |
11fdf7f2 | 3126 | ceph_assert(loner_cap == want_loner_cap); |
b32b8144 FG |
3127 | } |
3128 | return changed; | |
7c673cae FG |
3129 | } |
3130 | ||
3131 | bool CInode::try_set_loner() | |
3132 | { | |
11fdf7f2 | 3133 | ceph_assert(want_loner_cap >= 0); |
7c673cae FG |
3134 | if (loner_cap >= 0 && loner_cap != want_loner_cap) |
3135 | return false; | |
3136 | set_loner_cap(want_loner_cap); | |
3137 | return true; | |
3138 | } | |
3139 | ||
3140 | void CInode::set_loner_cap(client_t l) | |
3141 | { | |
3142 | loner_cap = l; | |
3143 | authlock.set_excl_client(loner_cap); | |
3144 | filelock.set_excl_client(loner_cap); | |
3145 | linklock.set_excl_client(loner_cap); | |
3146 | xattrlock.set_excl_client(loner_cap); | |
3147 | } | |
3148 | ||
3149 | bool CInode::try_drop_loner() | |
3150 | { | |
3151 | if (loner_cap < 0) | |
3152 | return true; | |
3153 | ||
3154 | int other_allowed = get_caps_allowed_by_type(CAP_ANY); | |
3155 | Capability *cap = get_client_cap(loner_cap); | |
3156 | if (!cap || | |
3157 | (cap->issued() & ~other_allowed) == 0) { | |
3158 | set_loner_cap(-1); | |
3159 | return true; | |
3160 | } | |
3161 | return false; | |
3162 | } | |
3163 | ||
3164 | ||
3165 | // choose new lock state during recovery, based on issued caps | |
3166 | void CInode::choose_lock_state(SimpleLock *lock, int allissued) | |
3167 | { | |
3168 | int shift = lock->get_cap_shift(); | |
3169 | int issued = (allissued >> shift) & lock->get_cap_mask(); | |
3170 | if (is_auth()) { | |
3171 | if (lock->is_xlocked()) { | |
3172 | // do nothing here | |
3173 | } else if (lock->get_state() != LOCK_MIX) { | |
3174 | if (issued & (CEPH_CAP_GEXCL | CEPH_CAP_GBUFFER)) | |
3175 | lock->set_state(LOCK_EXCL); | |
3176 | else if (issued & CEPH_CAP_GWR) | |
3177 | lock->set_state(LOCK_MIX); | |
3178 | else if (lock->is_dirty()) { | |
3179 | if (is_replicated()) | |
3180 | lock->set_state(LOCK_MIX); | |
3181 | else | |
3182 | lock->set_state(LOCK_LOCK); | |
3183 | } else | |
3184 | lock->set_state(LOCK_SYNC); | |
3185 | } | |
3186 | } else { | |
3187 | // our states have already been chosen during rejoin. | |
3188 | if (lock->is_xlocked()) | |
11fdf7f2 | 3189 | ceph_assert(lock->get_state() == LOCK_LOCK); |
7c673cae FG |
3190 | } |
3191 | } | |
3192 | ||
3193 | void CInode::choose_lock_states(int dirty_caps) | |
3194 | { | |
3195 | int issued = get_caps_issued() | dirty_caps; | |
b32b8144 FG |
3196 | if (is_auth() && (issued & (CEPH_CAP_ANY_EXCL|CEPH_CAP_ANY_WR))) |
3197 | choose_ideal_loner(); | |
7c673cae FG |
3198 | choose_lock_state(&filelock, issued); |
3199 | choose_lock_state(&nestlock, issued); | |
3200 | choose_lock_state(&dirfragtreelock, issued); | |
3201 | choose_lock_state(&authlock, issued); | |
3202 | choose_lock_state(&xattrlock, issued); | |
3203 | choose_lock_state(&linklock, issued); | |
3204 | } | |
3205 | ||
9f95a23c TL |
3206 | int CInode::count_nonstale_caps() |
3207 | { | |
3208 | int n = 0; | |
3209 | for (const auto &p : client_caps) { | |
3210 | if (!p.second.is_stale()) | |
3211 | n++; | |
3212 | } | |
3213 | return n; | |
3214 | } | |
3215 | ||
3216 | bool CInode::multiple_nonstale_caps() | |
3217 | { | |
3218 | int n = 0; | |
3219 | for (const auto &p : client_caps) { | |
3220 | if (!p.second.is_stale()) { | |
3221 | if (n) | |
3222 | return true; | |
3223 | n++; | |
3224 | } | |
3225 | } | |
3226 | return false; | |
3227 | } | |
3228 | ||
11fdf7f2 TL |
3229 | void CInode::set_mds_caps_wanted(mempool::mds_co::compact_map<int32_t,int32_t>& m) |
3230 | { | |
3231 | bool old_empty = mds_caps_wanted.empty(); | |
3232 | mds_caps_wanted.swap(m); | |
3233 | if (old_empty != (bool)mds_caps_wanted.empty()) { | |
3234 | if (old_empty) | |
3235 | adjust_num_caps_wanted(1); | |
3236 | else | |
3237 | adjust_num_caps_wanted(-1); | |
3238 | } | |
3239 | } | |
3240 | ||
3241 | void CInode::set_mds_caps_wanted(mds_rank_t mds, int32_t wanted) | |
3242 | { | |
3243 | bool old_empty = mds_caps_wanted.empty(); | |
3244 | if (wanted) { | |
3245 | mds_caps_wanted[mds] = wanted; | |
3246 | if (old_empty) | |
3247 | adjust_num_caps_wanted(1); | |
3248 | } else if (!old_empty) { | |
3249 | mds_caps_wanted.erase(mds); | |
3250 | if (mds_caps_wanted.empty()) | |
3251 | adjust_num_caps_wanted(-1); | |
3252 | } | |
3253 | } | |
3254 | ||
3255 | void CInode::adjust_num_caps_wanted(int d) | |
3256 | { | |
3257 | if (!num_caps_wanted && d > 0) | |
3258 | mdcache->open_file_table.add_inode(this); | |
3259 | else if (num_caps_wanted > 0 && num_caps_wanted == -d) | |
3260 | mdcache->open_file_table.remove_inode(this); | |
3261 | ||
3262 | num_caps_wanted +=d; | |
3263 | ceph_assert(num_caps_wanted >= 0); | |
3264 | } | |
3265 | ||
9f95a23c TL |
3266 | Capability *CInode::add_client_cap(client_t client, Session *session, |
3267 | SnapRealm *conrealm, bool new_inode) | |
7c673cae | 3268 | { |
11fdf7f2 | 3269 | ceph_assert(last == CEPH_NOSNAP); |
7c673cae FG |
3270 | if (client_caps.empty()) { |
3271 | get(PIN_CAPS); | |
3272 | if (conrealm) | |
3273 | containing_realm = conrealm; | |
3274 | else | |
3275 | containing_realm = find_snaprealm(); | |
3276 | containing_realm->inodes_with_caps.push_back(&item_caps); | |
11fdf7f2 | 3277 | dout(10) << __func__ << " first cap, joining realm " << *containing_realm << dendl; |
7c673cae | 3278 | |
7c673cae | 3279 | mdcache->num_inodes_with_caps++; |
11fdf7f2 TL |
3280 | if (parent) |
3281 | parent->dir->adjust_num_inodes_with_caps(1); | |
3282 | } | |
3283 | ||
9f95a23c | 3284 | uint64_t cap_id = new_inode ? 1 : ++mdcache->last_cap_id; |
11fdf7f2 TL |
3285 | auto ret = client_caps.emplace(std::piecewise_construct, std::forward_as_tuple(client), |
3286 | std::forward_as_tuple(this, session, cap_id)); | |
3287 | ceph_assert(ret.second == true); | |
3288 | Capability *cap = &ret.first->second; | |
7c673cae | 3289 | |
7c673cae | 3290 | cap->client_follows = first-1; |
7c673cae | 3291 | containing_realm->add_cap(client, cap); |
11fdf7f2 | 3292 | |
7c673cae FG |
3293 | return cap; |
3294 | } | |
3295 | ||
3296 | void CInode::remove_client_cap(client_t client) | |
3297 | { | |
11fdf7f2 TL |
3298 | auto it = client_caps.find(client); |
3299 | ceph_assert(it != client_caps.end()); | |
3300 | Capability *cap = &it->second; | |
7c673cae FG |
3301 | |
3302 | cap->item_session_caps.remove_myself(); | |
3303 | cap->item_revoking_caps.remove_myself(); | |
3304 | cap->item_client_revoking_caps.remove_myself(); | |
3305 | containing_realm->remove_cap(client, cap); | |
3306 | ||
3307 | if (client == loner_cap) | |
3308 | loner_cap = -1; | |
3309 | ||
11fdf7f2 TL |
3310 | if (cap->wanted()) |
3311 | adjust_num_caps_wanted(-1); | |
3312 | ||
3313 | client_caps.erase(it); | |
7c673cae | 3314 | if (client_caps.empty()) { |
11fdf7f2 | 3315 | dout(10) << __func__ << " last cap, leaving realm " << *containing_realm << dendl; |
7c673cae FG |
3316 | put(PIN_CAPS); |
3317 | item_caps.remove_myself(); | |
3318 | containing_realm = NULL; | |
7c673cae | 3319 | mdcache->num_inodes_with_caps--; |
11fdf7f2 TL |
3320 | if (parent) |
3321 | parent->dir->adjust_num_inodes_with_caps(-1); | |
7c673cae FG |
3322 | } |
3323 | ||
3324 | //clean up advisory locks | |
3325 | bool fcntl_removed = fcntl_locks ? fcntl_locks->remove_all_from(client) : false; | |
3326 | bool flock_removed = flock_locks ? flock_locks->remove_all_from(client) : false; | |
3327 | if (fcntl_removed || flock_removed) { | |
11fdf7f2 | 3328 | MDSContext::vec waiters; |
7c673cae FG |
3329 | take_waiting(CInode::WAIT_FLOCK, waiters); |
3330 | mdcache->mds->queue_waiters(waiters); | |
3331 | } | |
3332 | } | |
3333 | ||
3334 | void CInode::move_to_realm(SnapRealm *realm) | |
3335 | { | |
11fdf7f2 | 3336 | dout(10) << __func__ << " joining realm " << *realm |
7c673cae | 3337 | << ", leaving realm " << *containing_realm << dendl; |
11fdf7f2 TL |
3338 | for (auto& p : client_caps) { |
3339 | containing_realm->remove_cap(p.first, &p.second); | |
3340 | realm->add_cap(p.first, &p.second); | |
7c673cae FG |
3341 | } |
3342 | item_caps.remove_myself(); | |
3343 | realm->inodes_with_caps.push_back(&item_caps); | |
3344 | containing_realm = realm; | |
3345 | } | |
3346 | ||
3347 | Capability *CInode::reconnect_cap(client_t client, const cap_reconnect_t& icr, Session *session) | |
3348 | { | |
3349 | Capability *cap = get_client_cap(client); | |
3350 | if (cap) { | |
3351 | // FIXME? | |
3352 | cap->merge(icr.capinfo.wanted, icr.capinfo.issued); | |
3353 | } else { | |
3354 | cap = add_client_cap(client, session); | |
3355 | cap->set_cap_id(icr.capinfo.cap_id); | |
3356 | cap->set_wanted(icr.capinfo.wanted); | |
3357 | cap->issue_norevoke(icr.capinfo.issued); | |
3358 | cap->reset_seq(); | |
3359 | } | |
3360 | cap->set_last_issue_stamp(ceph_clock_now()); | |
3361 | return cap; | |
3362 | } | |
3363 | ||
3364 | void CInode::clear_client_caps_after_export() | |
3365 | { | |
3366 | while (!client_caps.empty()) | |
3367 | remove_client_cap(client_caps.begin()->first); | |
3368 | loner_cap = -1; | |
3369 | want_loner_cap = -1; | |
11fdf7f2 TL |
3370 | if (!get_mds_caps_wanted().empty()) { |
3371 | mempool::mds_co::compact_map<int32_t,int32_t> empty; | |
3372 | set_mds_caps_wanted(empty); | |
3373 | } | |
7c673cae FG |
3374 | } |
3375 | ||
3376 | void CInode::export_client_caps(map<client_t,Capability::Export>& cl) | |
3377 | { | |
11fdf7f2 TL |
3378 | for (const auto &p : client_caps) { |
3379 | cl[p.first] = p.second.make_export(); | |
7c673cae FG |
3380 | } |
3381 | } | |
3382 | ||
3383 | // caps allowed | |
3384 | int CInode::get_caps_liked() const | |
3385 | { | |
3386 | if (is_dir()) | |
3387 | return CEPH_CAP_PIN | CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_SHARED; // but not, say, FILE_RD|WR|WRBUFFER | |
3388 | else | |
3389 | return CEPH_CAP_ANY & ~CEPH_CAP_FILE_LAZYIO; | |
3390 | } | |
3391 | ||
3392 | int CInode::get_caps_allowed_ever() const | |
3393 | { | |
3394 | int allowed; | |
3395 | if (is_dir()) | |
3396 | allowed = CEPH_CAP_PIN | CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_SHARED; | |
3397 | else | |
3398 | allowed = CEPH_CAP_ANY; | |
3399 | return allowed & | |
3400 | (CEPH_CAP_PIN | | |
3401 | (filelock.gcaps_allowed_ever() << filelock.get_cap_shift()) | | |
3402 | (authlock.gcaps_allowed_ever() << authlock.get_cap_shift()) | | |
3403 | (xattrlock.gcaps_allowed_ever() << xattrlock.get_cap_shift()) | | |
3404 | (linklock.gcaps_allowed_ever() << linklock.get_cap_shift())); | |
3405 | } | |
3406 | ||
3407 | int CInode::get_caps_allowed_by_type(int type) const | |
3408 | { | |
3409 | return | |
3410 | CEPH_CAP_PIN | | |
3411 | (filelock.gcaps_allowed(type) << filelock.get_cap_shift()) | | |
3412 | (authlock.gcaps_allowed(type) << authlock.get_cap_shift()) | | |
3413 | (xattrlock.gcaps_allowed(type) << xattrlock.get_cap_shift()) | | |
3414 | (linklock.gcaps_allowed(type) << linklock.get_cap_shift()); | |
3415 | } | |
3416 | ||
3417 | int CInode::get_caps_careful() const | |
3418 | { | |
3419 | return | |
3420 | (filelock.gcaps_careful() << filelock.get_cap_shift()) | | |
3421 | (authlock.gcaps_careful() << authlock.get_cap_shift()) | | |
3422 | (xattrlock.gcaps_careful() << xattrlock.get_cap_shift()) | | |
3423 | (linklock.gcaps_careful() << linklock.get_cap_shift()); | |
3424 | } | |
3425 | ||
3426 | int CInode::get_xlocker_mask(client_t client) const | |
3427 | { | |
3428 | return | |
3429 | (filelock.gcaps_xlocker_mask(client) << filelock.get_cap_shift()) | | |
3430 | (authlock.gcaps_xlocker_mask(client) << authlock.get_cap_shift()) | | |
3431 | (xattrlock.gcaps_xlocker_mask(client) << xattrlock.get_cap_shift()) | | |
3432 | (linklock.gcaps_xlocker_mask(client) << linklock.get_cap_shift()); | |
3433 | } | |
3434 | ||
11fdf7f2 TL |
3435 | int CInode::get_caps_allowed_for_client(Session *session, Capability *cap, |
3436 | mempool_inode *file_i) const | |
7c673cae | 3437 | { |
11fdf7f2 | 3438 | client_t client = session->get_client(); |
7c673cae FG |
3439 | int allowed; |
3440 | if (client == get_loner()) { | |
3441 | // as the loner, we get the loner_caps AND any xlocker_caps for things we have xlocked | |
3442 | allowed = | |
3443 | get_caps_allowed_by_type(CAP_LONER) | | |
3444 | (get_caps_allowed_by_type(CAP_XLOCKER) & get_xlocker_mask(client)); | |
3445 | } else { | |
3446 | allowed = get_caps_allowed_by_type(CAP_ANY); | |
3447 | } | |
3448 | ||
9f95a23c TL |
3449 | if (is_dir()) { |
3450 | allowed &= ~CEPH_CAP_ANY_DIR_OPS; | |
3451 | if (cap && (allowed & CEPH_CAP_FILE_EXCL)) | |
3452 | allowed |= cap->get_lock_cache_allowed(); | |
3453 | } else { | |
11fdf7f2 TL |
3454 | if (file_i->inline_data.version == CEPH_INLINE_NONE && |
3455 | file_i->layout.pool_ns.empty()) { | |
3456 | // noop | |
3457 | } else if (cap) { | |
3458 | if ((file_i->inline_data.version != CEPH_INLINE_NONE && | |
3459 | cap->is_noinline()) || | |
3460 | (!file_i->layout.pool_ns.empty() && | |
3461 | cap->is_nopoolns())) | |
3462 | allowed &= ~(CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR); | |
3463 | } else { | |
3464 | auto& conn = session->get_connection(); | |
3465 | if ((file_i->inline_data.version != CEPH_INLINE_NONE && | |
3466 | !conn->has_feature(CEPH_FEATURE_MDS_INLINE_DATA)) || | |
3467 | (!file_i->layout.pool_ns.empty() && | |
3468 | !conn->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2))) | |
3469 | allowed &= ~(CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR); | |
3470 | } | |
7c673cae FG |
3471 | } |
3472 | return allowed; | |
3473 | } | |
3474 | ||
3475 | // caps issued, wanted | |
3476 | int CInode::get_caps_issued(int *ploner, int *pother, int *pxlocker, | |
3477 | int shift, int mask) | |
3478 | { | |
3479 | int c = 0; | |
3480 | int loner = 0, other = 0, xlocker = 0; | |
3481 | if (!is_auth()) { | |
3482 | loner_cap = -1; | |
3483 | } | |
3484 | ||
11fdf7f2 TL |
3485 | for (const auto &p : client_caps) { |
3486 | int i = p.second.issued(); | |
7c673cae | 3487 | c |= i; |
11fdf7f2 | 3488 | if (p.first == loner_cap) |
7c673cae FG |
3489 | loner |= i; |
3490 | else | |
3491 | other |= i; | |
11fdf7f2 | 3492 | xlocker |= get_xlocker_mask(p.first) & i; |
7c673cae FG |
3493 | } |
3494 | if (ploner) *ploner = (loner >> shift) & mask; | |
3495 | if (pother) *pother = (other >> shift) & mask; | |
3496 | if (pxlocker) *pxlocker = (xlocker >> shift) & mask; | |
3497 | return (c >> shift) & mask; | |
3498 | } | |
3499 | ||
3500 | bool CInode::is_any_caps_wanted() const | |
3501 | { | |
11fdf7f2 TL |
3502 | for (const auto &p : client_caps) { |
3503 | if (p.second.wanted()) | |
7c673cae | 3504 | return true; |
11fdf7f2 | 3505 | } |
7c673cae FG |
3506 | return false; |
3507 | } | |
3508 | ||
3509 | int CInode::get_caps_wanted(int *ploner, int *pother, int shift, int mask) const | |
3510 | { | |
3511 | int w = 0; | |
3512 | int loner = 0, other = 0; | |
11fdf7f2 TL |
3513 | for (const auto &p : client_caps) { |
3514 | if (!p.second.is_stale()) { | |
3515 | int t = p.second.wanted(); | |
7c673cae | 3516 | w |= t; |
11fdf7f2 | 3517 | if (p.first == loner_cap) |
7c673cae FG |
3518 | loner |= t; |
3519 | else | |
3520 | other |= t; | |
3521 | } | |
3522 | //cout << " get_caps_wanted client " << it->first << " " << cap_string(it->second.wanted()) << endl; | |
3523 | } | |
3524 | if (is_auth()) | |
94b18763 FG |
3525 | for (const auto &p : mds_caps_wanted) { |
3526 | w |= p.second; | |
3527 | other |= p.second; | |
7c673cae FG |
3528 | //cout << " get_caps_wanted mds " << it->first << " " << cap_string(it->second) << endl; |
3529 | } | |
3530 | if (ploner) *ploner = (loner >> shift) & mask; | |
3531 | if (pother) *pother = (other >> shift) & mask; | |
3532 | return (w >> shift) & mask; | |
3533 | } | |
3534 | ||
3535 | bool CInode::issued_caps_need_gather(SimpleLock *lock) | |
3536 | { | |
3537 | int loner_issued, other_issued, xlocker_issued; | |
3538 | get_caps_issued(&loner_issued, &other_issued, &xlocker_issued, | |
3539 | lock->get_cap_shift(), lock->get_cap_mask()); | |
3540 | if ((loner_issued & ~lock->gcaps_allowed(CAP_LONER)) || | |
3541 | (other_issued & ~lock->gcaps_allowed(CAP_ANY)) || | |
3542 | (xlocker_issued & ~lock->gcaps_allowed(CAP_XLOCKER))) | |
3543 | return true; | |
3544 | return false; | |
3545 | } | |
3546 | ||
7c673cae FG |
3547 | |
3548 | // ============================================= | |
3549 | ||
3550 | int CInode::encode_inodestat(bufferlist& bl, Session *session, | |
3551 | SnapRealm *dir_realm, | |
3552 | snapid_t snapid, | |
3553 | unsigned max_bytes, | |
3554 | int getattr_caps) | |
3555 | { | |
11fdf7f2 TL |
3556 | client_t client = session->get_client(); |
3557 | ceph_assert(snapid); | |
7c673cae FG |
3558 | |
3559 | bool valid = true; | |
3560 | ||
3561 | // pick a version! | |
94b18763 FG |
3562 | mempool_inode *oi = &inode; |
3563 | mempool_inode *pi = get_projected_inode(); | |
7c673cae | 3564 | |
94b18763 | 3565 | CInode::mempool_xattr_map *pxattrs = nullptr; |
7c673cae FG |
3566 | |
3567 | if (snapid != CEPH_NOSNAP) { | |
3568 | ||
3569 | // for now at least, old_inodes is only defined/valid on the auth | |
3570 | if (!is_auth()) | |
3571 | valid = false; | |
3572 | ||
3573 | if (is_multiversion()) { | |
94b18763 FG |
3574 | auto it = old_inodes.lower_bound(snapid); |
3575 | if (it != old_inodes.end()) { | |
3576 | if (it->second.first > snapid) { | |
3577 | if (it != old_inodes.begin()) | |
3578 | --it; | |
7c673cae | 3579 | } |
94b18763 FG |
3580 | if (it->second.first <= snapid && snapid <= it->first) { |
3581 | dout(15) << __func__ << " snapid " << snapid | |
3582 | << " to old_inode [" << it->second.first << "," << it->first << "]" | |
3583 | << " " << it->second.inode.rstat | |
7c673cae | 3584 | << dendl; |
94b18763 FG |
3585 | auto &p = it->second; |
3586 | pi = oi = &p.inode; | |
3587 | pxattrs = &p.xattrs; | |
7c673cae FG |
3588 | } else { |
3589 | // snapshoted remote dentry can result this | |
11fdf7f2 | 3590 | dout(0) << __func__ << " old_inode for snapid " << snapid |
7c673cae FG |
3591 | << " not found" << dendl; |
3592 | } | |
3593 | } | |
3594 | } else if (snapid < first || snapid > last) { | |
3595 | // snapshoted remote dentry can result this | |
11fdf7f2 | 3596 | dout(0) << __func__ << " [" << first << "," << last << "]" |
7c673cae FG |
3597 | << " not match snapid " << snapid << dendl; |
3598 | } | |
3599 | } | |
3600 | ||
81eedcae | 3601 | utime_t snap_btime; |
7c673cae | 3602 | SnapRealm *realm = find_snaprealm(); |
81eedcae TL |
3603 | if (snapid != CEPH_NOSNAP && realm) { |
3604 | // add snapshot timestamp vxattr | |
3605 | map<snapid_t,const SnapInfo*> infomap; | |
3606 | realm->get_snap_info(infomap, | |
3607 | snapid, // min | |
3608 | snapid); // max | |
3609 | if (!infomap.empty()) { | |
3610 | ceph_assert(infomap.size() == 1); | |
3611 | const SnapInfo *si = infomap.begin()->second; | |
3612 | snap_btime = si->stamp; | |
3613 | } | |
3614 | } | |
3615 | ||
7c673cae FG |
3616 | |
3617 | bool no_caps = !valid || | |
3618 | session->is_stale() || | |
3619 | (dir_realm && realm != dir_realm) || | |
3620 | is_frozen() || | |
3621 | state_test(CInode::STATE_EXPORTINGCAPS); | |
3622 | if (no_caps) | |
11fdf7f2 | 3623 | dout(20) << __func__ << " no caps" |
7c673cae FG |
3624 | << (!valid?", !valid":"") |
3625 | << (session->is_stale()?", session stale ":"") | |
3626 | << ((dir_realm && realm != dir_realm)?", snaprealm differs ":"") | |
3627 | << (is_frozen()?", frozen inode":"") | |
3628 | << (state_test(CInode::STATE_EXPORTINGCAPS)?", exporting caps":"") | |
3629 | << dendl; | |
3630 | ||
3631 | ||
3632 | // "fake" a version that is old (stable) version, +1 if projected. | |
3633 | version_t version = (oi->version * 2) + is_projected(); | |
3634 | ||
3635 | Capability *cap = get_client_cap(client); | |
3636 | bool pfile = filelock.is_xlocked_by_client(client) || get_loner() == client; | |
3637 | //(cap && (cap->issued() & CEPH_CAP_FILE_EXCL)); | |
3638 | bool pauth = authlock.is_xlocked_by_client(client) || get_loner() == client; | |
3639 | bool plink = linklock.is_xlocked_by_client(client) || get_loner() == client; | |
3640 | bool pxattr = xattrlock.is_xlocked_by_client(client) || get_loner() == client; | |
3641 | ||
3642 | bool plocal = versionlock.get_last_wrlock_client() == client; | |
3643 | bool ppolicy = policylock.is_xlocked_by_client(client) || get_loner()==client; | |
3644 | ||
94b18763 | 3645 | mempool_inode *any_i = (pfile|pauth|plink|pxattr|plocal) ? pi : oi; |
7c673cae FG |
3646 | |
3647 | dout(20) << " pfile " << pfile << " pauth " << pauth | |
3648 | << " plink " << plink << " pxattr " << pxattr | |
3649 | << " plocal " << plocal | |
3650 | << " ctime " << any_i->ctime | |
3651 | << " valid=" << valid << dendl; | |
3652 | ||
3653 | // file | |
94b18763 | 3654 | mempool_inode *file_i = pfile ? pi:oi; |
7c673cae FG |
3655 | file_layout_t layout; |
3656 | if (is_dir()) { | |
3657 | layout = (ppolicy ? pi : oi)->layout; | |
3658 | } else { | |
3659 | layout = file_i->layout; | |
3660 | } | |
3661 | ||
3662 | // max_size is min of projected, actual | |
3663 | uint64_t max_size = | |
11fdf7f2 | 3664 | std::min(oi->client_ranges.count(client) ? |
7c673cae FG |
3665 | oi->client_ranges[client].range.last : 0, |
3666 | pi->client_ranges.count(client) ? | |
3667 | pi->client_ranges[client].range.last : 0); | |
3668 | ||
3669 | // inline data | |
3670 | version_t inline_version = 0; | |
3671 | bufferlist inline_data; | |
3672 | if (file_i->inline_data.version == CEPH_INLINE_NONE) { | |
3673 | inline_version = CEPH_INLINE_NONE; | |
3674 | } else if ((!cap && !no_caps) || | |
3675 | (cap && cap->client_inline_version < file_i->inline_data.version) || | |
3676 | (getattr_caps & CEPH_CAP_FILE_RD)) { // client requests inline data | |
3677 | inline_version = file_i->inline_data.version; | |
3678 | if (file_i->inline_data.length() > 0) | |
3679 | inline_data = file_i->inline_data.get_data(); | |
3680 | } | |
3681 | ||
3682 | // nest (do same as file... :/) | |
3683 | if (cap) { | |
3684 | cap->last_rbytes = file_i->rstat.rbytes; | |
3685 | cap->last_rsize = file_i->rstat.rsize(); | |
3686 | } | |
3687 | ||
3688 | // auth | |
94b18763 | 3689 | mempool_inode *auth_i = pauth ? pi:oi; |
7c673cae FG |
3690 | |
3691 | // link | |
94b18763 | 3692 | mempool_inode *link_i = plink ? pi:oi; |
7c673cae FG |
3693 | |
3694 | // xattr | |
94b18763 | 3695 | mempool_inode *xattr_i = pxattr ? pi:oi; |
7c673cae | 3696 | |
11fdf7f2 | 3697 | using ceph::encode; |
7c673cae | 3698 | // xattr |
7c673cae FG |
3699 | version_t xattr_version; |
3700 | if ((!cap && !no_caps) || | |
3701 | (cap && cap->client_xattr_version < xattr_i->xattr_version) || | |
3702 | (getattr_caps & CEPH_CAP_XATTR_SHARED)) { // client requests xattrs | |
3703 | if (!pxattrs) | |
3704 | pxattrs = pxattr ? get_projected_xattrs() : &xattrs; | |
7c673cae FG |
3705 | xattr_version = xattr_i->xattr_version; |
3706 | } else { | |
3707 | xattr_version = 0; | |
3708 | } | |
3709 | ||
3710 | // do we have room? | |
3711 | if (max_bytes) { | |
11fdf7f2 TL |
3712 | unsigned bytes = |
3713 | 8 + 8 + 4 + 8 + 8 + sizeof(ceph_mds_reply_cap) + | |
3714 | sizeof(struct ceph_file_layout) + | |
3715 | sizeof(struct ceph_timespec) * 3 + 4 + // ctime ~ time_warp_seq | |
3716 | 8 + 8 + 8 + 4 + 4 + 4 + 4 + 4 + // size ~ nlink | |
3717 | 8 + 8 + 8 + 8 + 8 + sizeof(struct ceph_timespec) + // dirstat.nfiles ~ rstat.rctime | |
3718 | sizeof(__u32) + sizeof(__u32) * 2 * dirfragtree._splits.size() + // dirfragtree | |
3719 | sizeof(__u32) + symlink.length() + // symlink | |
3720 | sizeof(struct ceph_dir_layout); // dir_layout | |
3721 | ||
3722 | if (xattr_version) { | |
3723 | bytes += sizeof(__u32) + sizeof(__u32); // xattr buffer len + number entries | |
3724 | if (pxattrs) { | |
3725 | for (const auto &p : *pxattrs) | |
3726 | bytes += sizeof(__u32) * 2 + p.first.length() + p.second.length(); | |
3727 | } | |
3728 | } else { | |
3729 | bytes += sizeof(__u32); // xattr buffer len | |
3730 | } | |
3731 | bytes += | |
3732 | sizeof(version_t) + sizeof(__u32) + inline_data.length() + // inline data | |
3733 | 1 + 1 + 8 + 8 + 4 + // quota | |
3734 | 4 + layout.pool_ns.size() + // pool ns | |
3735 | sizeof(struct ceph_timespec) + 8; // btime + change_attr | |
3736 | ||
7c673cae FG |
3737 | if (bytes > max_bytes) |
3738 | return -ENOSPC; | |
3739 | } | |
3740 | ||
3741 | ||
3742 | // encode caps | |
3743 | struct ceph_mds_reply_cap ecap; | |
3744 | if (snapid != CEPH_NOSNAP) { | |
3745 | /* | |
3746 | * snapped inodes (files or dirs) only get read-only caps. always | |
3747 | * issue everything possible, since it is read only. | |
3748 | * | |
3749 | * if a snapped inode has caps, limit issued caps based on the | |
3750 | * lock state. | |
3751 | * | |
3752 | * if it is a live inode, limit issued caps based on the lock | |
3753 | * state. | |
3754 | * | |
3755 | * do NOT adjust cap issued state, because the client always | |
3756 | * tracks caps per-snap and the mds does either per-interval or | |
3757 | * multiversion. | |
3758 | */ | |
3759 | ecap.caps = valid ? get_caps_allowed_by_type(CAP_ANY) : CEPH_STAT_CAP_INODE; | |
3760 | if (last == CEPH_NOSNAP || is_any_caps()) | |
11fdf7f2 | 3761 | ecap.caps = ecap.caps & get_caps_allowed_for_client(session, nullptr, file_i); |
7c673cae FG |
3762 | ecap.seq = 0; |
3763 | ecap.mseq = 0; | |
3764 | ecap.realm = 0; | |
3765 | } else { | |
3766 | if (!no_caps && !cap) { | |
3767 | // add a new cap | |
3768 | cap = add_client_cap(client, session, realm); | |
b32b8144 FG |
3769 | if (is_auth()) |
3770 | choose_ideal_loner(); | |
7c673cae FG |
3771 | } |
3772 | ||
3773 | int issue = 0; | |
3774 | if (!no_caps && cap) { | |
3775 | int likes = get_caps_liked(); | |
11fdf7f2 | 3776 | int allowed = get_caps_allowed_for_client(session, cap, file_i); |
7c673cae | 3777 | issue = (cap->wanted() | likes) & allowed; |
494da23a | 3778 | cap->issue_norevoke(issue, true); |
7c673cae FG |
3779 | issue = cap->pending(); |
3780 | dout(10) << "encode_inodestat issuing " << ccap_string(issue) | |
3781 | << " seq " << cap->get_last_seq() << dendl; | |
3782 | } else if (cap && cap->is_new() && !dir_realm) { | |
3783 | // alway issue new caps to client, otherwise the caps get lost | |
11fdf7f2 | 3784 | ceph_assert(cap->is_stale()); |
494da23a TL |
3785 | ceph_assert(!cap->pending()); |
3786 | issue = CEPH_CAP_PIN; | |
3787 | cap->issue_norevoke(issue, true); | |
7c673cae FG |
3788 | dout(10) << "encode_inodestat issuing " << ccap_string(issue) |
3789 | << " seq " << cap->get_last_seq() | |
494da23a | 3790 | << "(stale&new caps)" << dendl; |
7c673cae FG |
3791 | } |
3792 | ||
3793 | if (issue) { | |
3794 | cap->set_last_issue(); | |
3795 | cap->set_last_issue_stamp(ceph_clock_now()); | |
7c673cae FG |
3796 | ecap.caps = issue; |
3797 | ecap.wanted = cap->wanted(); | |
3798 | ecap.cap_id = cap->get_cap_id(); | |
3799 | ecap.seq = cap->get_last_seq(); | |
3800 | ecap.mseq = cap->get_mseq(); | |
3801 | ecap.realm = realm->inode->ino(); | |
3802 | } else { | |
3803 | ecap.cap_id = 0; | |
3804 | ecap.caps = 0; | |
3805 | ecap.seq = 0; | |
3806 | ecap.mseq = 0; | |
3807 | ecap.realm = 0; | |
3808 | ecap.wanted = 0; | |
3809 | } | |
3810 | } | |
3811 | ecap.flags = is_auth() ? CEPH_CAP_FLAG_AUTH : 0; | |
3812 | dout(10) << "encode_inodestat caps " << ccap_string(ecap.caps) | |
3813 | << " seq " << ecap.seq << " mseq " << ecap.mseq | |
11fdf7f2 | 3814 | << " xattrv " << xattr_version << dendl; |
7c673cae FG |
3815 | |
3816 | if (inline_data.length() && cap) { | |
3817 | if ((cap->pending() | getattr_caps) & CEPH_CAP_FILE_SHARED) { | |
3818 | dout(10) << "including inline version " << inline_version << dendl; | |
3819 | cap->client_inline_version = inline_version; | |
3820 | } else { | |
3821 | dout(10) << "dropping inline version " << inline_version << dendl; | |
3822 | inline_version = 0; | |
3823 | inline_data.clear(); | |
3824 | } | |
3825 | } | |
3826 | ||
3827 | // include those xattrs? | |
11fdf7f2 | 3828 | if (xattr_version && cap) { |
7c673cae | 3829 | if ((cap->pending() | getattr_caps) & CEPH_CAP_XATTR_SHARED) { |
11fdf7f2 TL |
3830 | dout(10) << "including xattrs version " << xattr_version << dendl; |
3831 | cap->client_xattr_version = xattr_version; | |
7c673cae | 3832 | } else { |
11fdf7f2 | 3833 | dout(10) << "dropping xattrs version " << xattr_version << dendl; |
7c673cae FG |
3834 | xattr_version = 0; |
3835 | } | |
3836 | } | |
3837 | ||
11fdf7f2 TL |
3838 | // The end result of encode_xattrs() is equivalent to: |
3839 | // { | |
3840 | // bufferlist xbl; | |
3841 | // if (xattr_version) { | |
3842 | // if (pxattrs) | |
3843 | // encode(*pxattrs, bl); | |
3844 | // else | |
3845 | // encode((__u32)0, bl); | |
3846 | // } | |
3847 | // encode(xbl, bl); | |
3848 | // } | |
3849 | // | |
3850 | // But encoding xattrs into the 'xbl' requires a memory allocation. | |
3851 | // The 'bl' should have enough pre-allocated memory in most cases. | |
3852 | // Encoding xattrs directly into it can avoid the extra allocation. | |
3853 | auto encode_xattrs = [xattr_version, pxattrs, &bl]() { | |
3854 | using ceph::encode; | |
3855 | if (xattr_version) { | |
3856 | ceph_le32 xbl_len; | |
3857 | auto filler = bl.append_hole(sizeof(xbl_len)); | |
3858 | const auto starting_bl_len = bl.length(); | |
3859 | if (pxattrs) | |
3860 | encode(*pxattrs, bl); | |
3861 | else | |
3862 | encode((__u32)0, bl); | |
3863 | xbl_len = bl.length() - starting_bl_len; | |
3864 | filler.copy_in(sizeof(xbl_len), (char *)&xbl_len); | |
3865 | } else { | |
3866 | encode((__u32)0, bl); | |
3867 | } | |
3868 | }; | |
3869 | ||
7c673cae FG |
3870 | /* |
3871 | * note: encoding matches MClientReply::InodeStat | |
3872 | */ | |
11fdf7f2 | 3873 | if (session->info.has_feature(CEPHFS_FEATURE_REPLY_ENCODING)) { |
81eedcae | 3874 | ENCODE_START(3, 1, bl); |
11fdf7f2 TL |
3875 | encode(oi->ino, bl); |
3876 | encode(snapid, bl); | |
3877 | encode(oi->rdev, bl); | |
3878 | encode(version, bl); | |
3879 | encode(xattr_version, bl); | |
3880 | encode(ecap, bl); | |
3881 | { | |
3882 | ceph_file_layout legacy_layout; | |
3883 | layout.to_legacy(&legacy_layout); | |
3884 | encode(legacy_layout, bl); | |
3885 | } | |
3886 | encode(any_i->ctime, bl); | |
3887 | encode(file_i->mtime, bl); | |
3888 | encode(file_i->atime, bl); | |
3889 | encode(file_i->time_warp_seq, bl); | |
3890 | encode(file_i->size, bl); | |
3891 | encode(max_size, bl); | |
3892 | encode(file_i->truncate_size, bl); | |
3893 | encode(file_i->truncate_seq, bl); | |
3894 | encode(auth_i->mode, bl); | |
3895 | encode((uint32_t)auth_i->uid, bl); | |
3896 | encode((uint32_t)auth_i->gid, bl); | |
3897 | encode(link_i->nlink, bl); | |
3898 | encode(file_i->dirstat.nfiles, bl); | |
3899 | encode(file_i->dirstat.nsubdirs, bl); | |
3900 | encode(file_i->rstat.rbytes, bl); | |
3901 | encode(file_i->rstat.rfiles, bl); | |
3902 | encode(file_i->rstat.rsubdirs, bl); | |
3903 | encode(file_i->rstat.rctime, bl); | |
3904 | dirfragtree.encode(bl); | |
3905 | encode(symlink, bl); | |
3906 | encode(file_i->dir_layout, bl); | |
3907 | encode_xattrs(); | |
3908 | encode(inline_version, bl); | |
3909 | encode(inline_data, bl); | |
94b18763 | 3910 | mempool_inode *policy_i = ppolicy ? pi : oi; |
11fdf7f2 TL |
3911 | encode(policy_i->quota, bl); |
3912 | encode(layout.pool_ns, bl); | |
3913 | encode(any_i->btime, bl); | |
3914 | encode(any_i->change_attr, bl); | |
3915 | encode(file_i->export_pin, bl); | |
81eedcae | 3916 | encode(snap_btime, bl); |
11fdf7f2 TL |
3917 | ENCODE_FINISH(bl); |
3918 | } | |
3919 | else { | |
3920 | ceph_assert(session->get_connection()); | |
3921 | ||
3922 | encode(oi->ino, bl); | |
3923 | encode(snapid, bl); | |
3924 | encode(oi->rdev, bl); | |
3925 | encode(version, bl); | |
3926 | encode(xattr_version, bl); | |
3927 | encode(ecap, bl); | |
3928 | { | |
3929 | ceph_file_layout legacy_layout; | |
3930 | layout.to_legacy(&legacy_layout); | |
3931 | encode(legacy_layout, bl); | |
3932 | } | |
3933 | encode(any_i->ctime, bl); | |
3934 | encode(file_i->mtime, bl); | |
3935 | encode(file_i->atime, bl); | |
3936 | encode(file_i->time_warp_seq, bl); | |
3937 | encode(file_i->size, bl); | |
3938 | encode(max_size, bl); | |
3939 | encode(file_i->truncate_size, bl); | |
3940 | encode(file_i->truncate_seq, bl); | |
3941 | encode(auth_i->mode, bl); | |
3942 | encode((uint32_t)auth_i->uid, bl); | |
3943 | encode((uint32_t)auth_i->gid, bl); | |
3944 | encode(link_i->nlink, bl); | |
3945 | encode(file_i->dirstat.nfiles, bl); | |
3946 | encode(file_i->dirstat.nsubdirs, bl); | |
3947 | encode(file_i->rstat.rbytes, bl); | |
3948 | encode(file_i->rstat.rfiles, bl); | |
3949 | encode(file_i->rstat.rsubdirs, bl); | |
3950 | encode(file_i->rstat.rctime, bl); | |
3951 | dirfragtree.encode(bl); | |
3952 | encode(symlink, bl); | |
3953 | auto& conn = session->get_connection(); | |
3954 | if (conn->has_feature(CEPH_FEATURE_DIRLAYOUTHASH)) { | |
3955 | encode(file_i->dir_layout, bl); | |
3956 | } | |
3957 | encode_xattrs(); | |
3958 | if (conn->has_feature(CEPH_FEATURE_MDS_INLINE_DATA)) { | |
3959 | encode(inline_version, bl); | |
3960 | encode(inline_data, bl); | |
3961 | } | |
3962 | if (conn->has_feature(CEPH_FEATURE_MDS_QUOTA)) { | |
3963 | mempool_inode *policy_i = ppolicy ? pi : oi; | |
3964 | encode(policy_i->quota, bl); | |
3965 | } | |
3966 | if (conn->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2)) { | |
3967 | encode(layout.pool_ns, bl); | |
3968 | } | |
3969 | if (conn->has_feature(CEPH_FEATURE_FS_BTIME)) { | |
3970 | encode(any_i->btime, bl); | |
3971 | encode(any_i->change_attr, bl); | |
3972 | } | |
7c673cae FG |
3973 | } |
3974 | ||
3975 | return valid; | |
3976 | } | |
3977 | ||
9f95a23c | 3978 | void CInode::encode_cap_message(const ref_t<MClientCaps> &m, Capability *cap) |
7c673cae | 3979 | { |
11fdf7f2 | 3980 | ceph_assert(cap); |
7c673cae FG |
3981 | |
3982 | client_t client = cap->get_client(); | |
3983 | ||
3984 | bool pfile = filelock.is_xlocked_by_client(client) || (cap->issued() & CEPH_CAP_FILE_EXCL); | |
3985 | bool pauth = authlock.is_xlocked_by_client(client); | |
3986 | bool plink = linklock.is_xlocked_by_client(client); | |
3987 | bool pxattr = xattrlock.is_xlocked_by_client(client); | |
3988 | ||
94b18763 FG |
3989 | mempool_inode *oi = &inode; |
3990 | mempool_inode *pi = get_projected_inode(); | |
3991 | mempool_inode *i = (pfile|pauth|plink|pxattr) ? pi : oi; | |
7c673cae | 3992 | |
11fdf7f2 | 3993 | dout(20) << __func__ << " pfile " << pfile |
7c673cae FG |
3994 | << " pauth " << pauth << " plink " << plink << " pxattr " << pxattr |
3995 | << " ctime " << i->ctime << dendl; | |
3996 | ||
3997 | i = pfile ? pi:oi; | |
3998 | m->set_layout(i->layout); | |
3999 | m->size = i->size; | |
4000 | m->truncate_seq = i->truncate_seq; | |
4001 | m->truncate_size = i->truncate_size; | |
4002 | m->mtime = i->mtime; | |
4003 | m->atime = i->atime; | |
4004 | m->ctime = i->ctime; | |
4005 | m->change_attr = i->change_attr; | |
4006 | m->time_warp_seq = i->time_warp_seq; | |
28e407b8 AA |
4007 | m->nfiles = i->dirstat.nfiles; |
4008 | m->nsubdirs = i->dirstat.nsubdirs; | |
7c673cae FG |
4009 | |
4010 | if (cap->client_inline_version < i->inline_data.version) { | |
4011 | m->inline_version = cap->client_inline_version = i->inline_data.version; | |
4012 | if (i->inline_data.length() > 0) | |
4013 | m->inline_data = i->inline_data.get_data(); | |
4014 | } else { | |
4015 | m->inline_version = 0; | |
4016 | } | |
4017 | ||
4018 | // max_size is min of projected, actual. | |
4019 | uint64_t oldms = oi->client_ranges.count(client) ? oi->client_ranges[client].range.last : 0; | |
4020 | uint64_t newms = pi->client_ranges.count(client) ? pi->client_ranges[client].range.last : 0; | |
11fdf7f2 | 4021 | m->max_size = std::min(oldms, newms); |
7c673cae FG |
4022 | |
4023 | i = pauth ? pi:oi; | |
4024 | m->head.mode = i->mode; | |
4025 | m->head.uid = i->uid; | |
4026 | m->head.gid = i->gid; | |
4027 | ||
4028 | i = plink ? pi:oi; | |
4029 | m->head.nlink = i->nlink; | |
4030 | ||
11fdf7f2 | 4031 | using ceph::encode; |
7c673cae | 4032 | i = pxattr ? pi:oi; |
94b18763 | 4033 | auto ix = pxattr ? get_projected_xattrs() : &xattrs; |
7c673cae FG |
4034 | if ((cap->pending() & CEPH_CAP_XATTR_SHARED) && |
4035 | i->xattr_version > cap->client_xattr_version) { | |
4036 | dout(10) << " including xattrs v " << i->xattr_version << dendl; | |
11fdf7f2 | 4037 | encode(*ix, m->xattrbl); |
7c673cae FG |
4038 | m->head.xattr_version = i->xattr_version; |
4039 | cap->client_xattr_version = i->xattr_version; | |
4040 | } | |
4041 | } | |
4042 | ||
4043 | ||
4044 | ||
4045 | void CInode::_encode_base(bufferlist& bl, uint64_t features) | |
4046 | { | |
9f95a23c | 4047 | ENCODE_START(1, 1, bl); |
11fdf7f2 TL |
4048 | encode(first, bl); |
4049 | encode(inode, bl, features); | |
4050 | encode(symlink, bl); | |
4051 | encode(dirfragtree, bl); | |
4052 | encode(xattrs, bl); | |
4053 | encode(old_inodes, bl, features); | |
4054 | encode(damage_flags, bl); | |
7c673cae | 4055 | encode_snap(bl); |
9f95a23c | 4056 | ENCODE_FINISH(bl); |
7c673cae | 4057 | } |
11fdf7f2 | 4058 | void CInode::_decode_base(bufferlist::const_iterator& p) |
7c673cae | 4059 | { |
9f95a23c | 4060 | DECODE_START(1, p); |
11fdf7f2 TL |
4061 | decode(first, p); |
4062 | decode(inode, p); | |
94b18763 FG |
4063 | { |
4064 | std::string tmp; | |
11fdf7f2 TL |
4065 | decode(tmp, p); |
4066 | symlink = std::string_view(tmp); | |
94b18763 | 4067 | } |
11fdf7f2 | 4068 | decode(dirfragtree, p); |
e306af50 | 4069 | decode_noshare(xattrs, p); |
11fdf7f2 TL |
4070 | decode(old_inodes, p); |
4071 | decode(damage_flags, p); | |
7c673cae | 4072 | decode_snap(p); |
9f95a23c | 4073 | DECODE_FINISH(p); |
7c673cae FG |
4074 | } |
4075 | ||
4076 | void CInode::_encode_locks_full(bufferlist& bl) | |
4077 | { | |
11fdf7f2 TL |
4078 | using ceph::encode; |
4079 | encode(authlock, bl); | |
4080 | encode(linklock, bl); | |
4081 | encode(dirfragtreelock, bl); | |
4082 | encode(filelock, bl); | |
4083 | encode(xattrlock, bl); | |
4084 | encode(snaplock, bl); | |
4085 | encode(nestlock, bl); | |
4086 | encode(flocklock, bl); | |
4087 | encode(policylock, bl); | |
4088 | ||
4089 | encode(loner_cap, bl); | |
4090 | } | |
4091 | void CInode::_decode_locks_full(bufferlist::const_iterator& p) | |
4092 | { | |
4093 | using ceph::decode; | |
4094 | decode(authlock, p); | |
4095 | decode(linklock, p); | |
4096 | decode(dirfragtreelock, p); | |
4097 | decode(filelock, p); | |
4098 | decode(xattrlock, p); | |
4099 | decode(snaplock, p); | |
4100 | decode(nestlock, p); | |
4101 | decode(flocklock, p); | |
4102 | decode(policylock, p); | |
4103 | ||
4104 | decode(loner_cap, p); | |
7c673cae FG |
4105 | set_loner_cap(loner_cap); |
4106 | want_loner_cap = loner_cap; // for now, we'll eval() shortly. | |
4107 | } | |
4108 | ||
b32b8144 | 4109 | void CInode::_encode_locks_state_for_replica(bufferlist& bl, bool need_recover) |
7c673cae | 4110 | { |
9f95a23c | 4111 | ENCODE_START(1, 1, bl); |
7c673cae FG |
4112 | authlock.encode_state_for_replica(bl); |
4113 | linklock.encode_state_for_replica(bl); | |
4114 | dirfragtreelock.encode_state_for_replica(bl); | |
4115 | filelock.encode_state_for_replica(bl); | |
4116 | nestlock.encode_state_for_replica(bl); | |
4117 | xattrlock.encode_state_for_replica(bl); | |
4118 | snaplock.encode_state_for_replica(bl); | |
4119 | flocklock.encode_state_for_replica(bl); | |
4120 | policylock.encode_state_for_replica(bl); | |
11fdf7f2 | 4121 | encode(need_recover, bl); |
9f95a23c | 4122 | ENCODE_FINISH(bl); |
7c673cae | 4123 | } |
b32b8144 | 4124 | |
7c673cae FG |
4125 | void CInode::_encode_locks_state_for_rejoin(bufferlist& bl, int rep) |
4126 | { | |
4127 | authlock.encode_state_for_replica(bl); | |
4128 | linklock.encode_state_for_replica(bl); | |
4129 | dirfragtreelock.encode_state_for_rejoin(bl, rep); | |
4130 | filelock.encode_state_for_rejoin(bl, rep); | |
4131 | nestlock.encode_state_for_rejoin(bl, rep); | |
4132 | xattrlock.encode_state_for_replica(bl); | |
4133 | snaplock.encode_state_for_replica(bl); | |
4134 | flocklock.encode_state_for_replica(bl); | |
4135 | policylock.encode_state_for_replica(bl); | |
4136 | } | |
b32b8144 | 4137 | |
9f95a23c | 4138 | void CInode::_decode_locks_state_for_replica(bufferlist::const_iterator& p, bool is_new) |
7c673cae | 4139 | { |
9f95a23c | 4140 | DECODE_START(1, p); |
7c673cae FG |
4141 | authlock.decode_state(p, is_new); |
4142 | linklock.decode_state(p, is_new); | |
4143 | dirfragtreelock.decode_state(p, is_new); | |
4144 | filelock.decode_state(p, is_new); | |
4145 | nestlock.decode_state(p, is_new); | |
4146 | xattrlock.decode_state(p, is_new); | |
4147 | snaplock.decode_state(p, is_new); | |
4148 | flocklock.decode_state(p, is_new); | |
4149 | policylock.decode_state(p, is_new); | |
b32b8144 FG |
4150 | |
4151 | bool need_recover; | |
11fdf7f2 | 4152 | decode(need_recover, p); |
b32b8144 FG |
4153 | if (need_recover && is_new) { |
4154 | // Auth mds replicated this inode while it's recovering. Auth mds may take xlock on the lock | |
4155 | // and change the object when replaying unsafe requests. | |
4156 | authlock.mark_need_recover(); | |
4157 | linklock.mark_need_recover(); | |
4158 | dirfragtreelock.mark_need_recover(); | |
4159 | filelock.mark_need_recover(); | |
4160 | nestlock.mark_need_recover(); | |
4161 | xattrlock.mark_need_recover(); | |
4162 | snaplock.mark_need_recover(); | |
4163 | flocklock.mark_need_recover(); | |
4164 | policylock.mark_need_recover(); | |
4165 | } | |
9f95a23c | 4166 | DECODE_FINISH(p); |
7c673cae | 4167 | } |
11fdf7f2 | 4168 | void CInode::_decode_locks_rejoin(bufferlist::const_iterator& p, MDSContext::vec& waiters, |
b32b8144 FG |
4169 | list<SimpleLock*>& eval_locks, bool survivor) |
4170 | { | |
4171 | authlock.decode_state_rejoin(p, waiters, survivor); | |
4172 | linklock.decode_state_rejoin(p, waiters, survivor); | |
4173 | dirfragtreelock.decode_state_rejoin(p, waiters, survivor); | |
4174 | filelock.decode_state_rejoin(p, waiters, survivor); | |
4175 | nestlock.decode_state_rejoin(p, waiters, survivor); | |
4176 | xattrlock.decode_state_rejoin(p, waiters, survivor); | |
4177 | snaplock.decode_state_rejoin(p, waiters, survivor); | |
4178 | flocklock.decode_state_rejoin(p, waiters, survivor); | |
4179 | policylock.decode_state_rejoin(p, waiters, survivor); | |
7c673cae FG |
4180 | |
4181 | if (!dirfragtreelock.is_stable() && !dirfragtreelock.is_wrlocked()) | |
4182 | eval_locks.push_back(&dirfragtreelock); | |
4183 | if (!filelock.is_stable() && !filelock.is_wrlocked()) | |
4184 | eval_locks.push_back(&filelock); | |
4185 | if (!nestlock.is_stable() && !nestlock.is_wrlocked()) | |
4186 | eval_locks.push_back(&nestlock); | |
4187 | } | |
4188 | ||
4189 | ||
4190 | // IMPORT/EXPORT | |
4191 | ||
4192 | void CInode::encode_export(bufferlist& bl) | |
4193 | { | |
4194 | ENCODE_START(5, 4, bl); | |
4195 | _encode_base(bl, mdcache->mds->mdsmap->get_up_features()); | |
4196 | ||
11fdf7f2 | 4197 | encode(state, bl); |
7c673cae | 4198 | |
11fdf7f2 | 4199 | encode(pop, bl); |
7c673cae | 4200 | |
11fdf7f2 | 4201 | encode(get_replicas(), bl); |
7c673cae FG |
4202 | |
4203 | // include scatterlock info for any bounding CDirs | |
4204 | bufferlist bounding; | |
4205 | if (inode.is_dir()) | |
94b18763 FG |
4206 | for (const auto &p : dirfrags) { |
4207 | CDir *dir = p.second; | |
7c673cae | 4208 | if (dir->state_test(CDir::STATE_EXPORTBOUND)) { |
11fdf7f2 TL |
4209 | encode(p.first, bounding); |
4210 | encode(dir->fnode.fragstat, bounding); | |
4211 | encode(dir->fnode.accounted_fragstat, bounding); | |
4212 | encode(dir->fnode.rstat, bounding); | |
4213 | encode(dir->fnode.accounted_rstat, bounding); | |
7c673cae FG |
4214 | dout(10) << " encoded fragstat/rstat info for " << *dir << dendl; |
4215 | } | |
4216 | } | |
11fdf7f2 | 4217 | encode(bounding, bl); |
7c673cae FG |
4218 | |
4219 | _encode_locks_full(bl); | |
4220 | ||
4221 | _encode_file_locks(bl); | |
4222 | ||
4223 | ENCODE_FINISH(bl); | |
4224 | ||
4225 | get(PIN_TEMPEXPORTING); | |
4226 | } | |
4227 | ||
11fdf7f2 | 4228 | void CInode::finish_export() |
7c673cae FG |
4229 | { |
4230 | state &= MASK_STATE_EXPORT_KEPT; | |
4231 | ||
11fdf7f2 | 4232 | pop.zero(); |
7c673cae FG |
4233 | |
4234 | // just in case! | |
4235 | //dirlock.clear_updated(); | |
4236 | ||
4237 | loner_cap = -1; | |
4238 | ||
4239 | put(PIN_TEMPEXPORTING); | |
4240 | } | |
4241 | ||
11fdf7f2 | 4242 | void CInode::decode_import(bufferlist::const_iterator& p, |
7c673cae FG |
4243 | LogSegment *ls) |
4244 | { | |
4245 | DECODE_START(5, p); | |
4246 | ||
4247 | _decode_base(p); | |
4248 | ||
4249 | unsigned s; | |
11fdf7f2 | 4250 | decode(s, p); |
7c673cae FG |
4251 | state_set(STATE_AUTH | (s & MASK_STATE_EXPORTED)); |
4252 | ||
4253 | if (is_dirty()) { | |
4254 | get(PIN_DIRTY); | |
4255 | _mark_dirty(ls); | |
4256 | } | |
4257 | if (is_dirty_parent()) { | |
4258 | get(PIN_DIRTYPARENT); | |
28e407b8 | 4259 | mark_dirty_parent(ls); |
7c673cae FG |
4260 | } |
4261 | ||
11fdf7f2 | 4262 | decode(pop, p); |
7c673cae | 4263 | |
11fdf7f2 | 4264 | decode(get_replicas(), p); |
181888fb | 4265 | if (is_replicated()) |
7c673cae FG |
4266 | get(PIN_REPLICATED); |
4267 | replica_nonce = 0; | |
4268 | ||
4269 | // decode fragstat info on bounding cdirs | |
4270 | bufferlist bounding; | |
11fdf7f2 TL |
4271 | decode(bounding, p); |
4272 | auto q = bounding.cbegin(); | |
7c673cae FG |
4273 | while (!q.end()) { |
4274 | frag_t fg; | |
11fdf7f2 | 4275 | decode(fg, q); |
7c673cae | 4276 | CDir *dir = get_dirfrag(fg); |
11fdf7f2 | 4277 | ceph_assert(dir); // we should have all bounds open |
7c673cae FG |
4278 | |
4279 | // Only take the remote's fragstat/rstat if we are non-auth for | |
4280 | // this dirfrag AND the lock is NOT in a scattered (MIX) state. | |
4281 | // We know lock is stable, and MIX is the only state in which | |
4282 | // the inode auth (who sent us this data) may not have the best | |
4283 | // info. | |
4284 | ||
4285 | // HMM: Are there cases where dir->is_auth() is an insufficient | |
4286 | // check because the dirfrag is under migration? That implies | |
4287 | // it is frozen (and in a SYNC or LOCK state). FIXME. | |
4288 | ||
4289 | if (dir->is_auth() || | |
4290 | filelock.get_state() == LOCK_MIX) { | |
4291 | dout(10) << " skipped fragstat info for " << *dir << dendl; | |
4292 | frag_info_t f; | |
11fdf7f2 TL |
4293 | decode(f, q); |
4294 | decode(f, q); | |
7c673cae | 4295 | } else { |
11fdf7f2 TL |
4296 | decode(dir->fnode.fragstat, q); |
4297 | decode(dir->fnode.accounted_fragstat, q); | |
7c673cae FG |
4298 | dout(10) << " took fragstat info for " << *dir << dendl; |
4299 | } | |
4300 | if (dir->is_auth() || | |
4301 | nestlock.get_state() == LOCK_MIX) { | |
4302 | dout(10) << " skipped rstat info for " << *dir << dendl; | |
4303 | nest_info_t n; | |
11fdf7f2 TL |
4304 | decode(n, q); |
4305 | decode(n, q); | |
7c673cae | 4306 | } else { |
11fdf7f2 TL |
4307 | decode(dir->fnode.rstat, q); |
4308 | decode(dir->fnode.accounted_rstat, q); | |
7c673cae FG |
4309 | dout(10) << " took rstat info for " << *dir << dendl; |
4310 | } | |
4311 | } | |
4312 | ||
4313 | _decode_locks_full(p); | |
4314 | ||
4315 | _decode_file_locks(p); | |
4316 | ||
4317 | DECODE_FINISH(p); | |
4318 | } | |
4319 | ||
4320 | ||
4321 | void InodeStoreBase::dump(Formatter *f) const | |
4322 | { | |
4323 | inode.dump(f); | |
4324 | f->dump_string("symlink", symlink); | |
9f95a23c TL |
4325 | |
4326 | f->open_array_section("xattrs"); | |
4327 | for (const auto& [key, val] : xattrs) { | |
4328 | f->open_object_section("xattr"); | |
4329 | f->dump_string("key", key); | |
4330 | std::string v(val.c_str(), val.length()); | |
4331 | f->dump_string("val", v); | |
4332 | f->close_section(); | |
4333 | } | |
4334 | f->close_section(); | |
4335 | f->open_object_section("dirfragtree"); | |
4336 | dirfragtree.dump(f); | |
4337 | f->close_section(); // dirfragtree | |
4338 | ||
7c673cae | 4339 | f->open_array_section("old_inodes"); |
94b18763 | 4340 | for (const auto &p : old_inodes) { |
7c673cae | 4341 | f->open_object_section("old_inode"); |
94b18763 FG |
4342 | // The key is the last snapid, the first is in the mempool_old_inode |
4343 | f->dump_int("last", p.first); | |
4344 | p.second.dump(f); | |
7c673cae FG |
4345 | f->close_section(); // old_inode |
4346 | } | |
4347 | f->close_section(); // old_inodes | |
4348 | ||
9f95a23c TL |
4349 | f->dump_unsigned("oldest_snap", oldest_snap); |
4350 | f->dump_unsigned("damage_flags", damage_flags); | |
7c673cae FG |
4351 | } |
4352 | ||
4353 | ||
9f95a23c | 4354 | void InodeStore::generate_test_instances(std::list<InodeStore*> &ls) |
7c673cae FG |
4355 | { |
4356 | InodeStore *populated = new InodeStore; | |
4357 | populated->inode.ino = 0xdeadbeef; | |
4358 | populated->symlink = "rhubarb"; | |
4359 | ls.push_back(populated); | |
4360 | } | |
4361 | ||
9f95a23c | 4362 | void InodeStoreBare::generate_test_instances(std::list<InodeStoreBare*> &ls) |
11fdf7f2 TL |
4363 | { |
4364 | InodeStoreBare *populated = new InodeStoreBare; | |
4365 | populated->inode.ino = 0xdeadbeef; | |
4366 | populated->symlink = "rhubarb"; | |
4367 | ls.push_back(populated); | |
4368 | } | |
4369 | ||
7c673cae | 4370 | void CInode::validate_disk_state(CInode::validated_data *results, |
11fdf7f2 | 4371 | MDSContext *fin) |
7c673cae FG |
4372 | { |
4373 | class ValidationContinuation : public MDSContinuation { | |
4374 | public: | |
11fdf7f2 | 4375 | MDSContext *fin; |
7c673cae FG |
4376 | CInode *in; |
4377 | CInode::validated_data *results; | |
4378 | bufferlist bl; | |
4379 | CInode *shadow_in; | |
4380 | ||
4381 | enum { | |
4382 | START = 0, | |
4383 | BACKTRACE, | |
4384 | INODE, | |
11fdf7f2 TL |
4385 | DIRFRAGS, |
4386 | SNAPREALM, | |
7c673cae FG |
4387 | }; |
4388 | ||
4389 | ValidationContinuation(CInode *i, | |
4390 | CInode::validated_data *data_r, | |
11fdf7f2 | 4391 | MDSContext *fin_) : |
7c673cae FG |
4392 | MDSContinuation(i->mdcache->mds->server), |
4393 | fin(fin_), | |
4394 | in(i), | |
4395 | results(data_r), | |
4396 | shadow_in(NULL) { | |
4397 | set_callback(START, static_cast<Continuation::stagePtr>(&ValidationContinuation::_start)); | |
4398 | set_callback(BACKTRACE, static_cast<Continuation::stagePtr>(&ValidationContinuation::_backtrace)); | |
4399 | set_callback(INODE, static_cast<Continuation::stagePtr>(&ValidationContinuation::_inode_disk)); | |
4400 | set_callback(DIRFRAGS, static_cast<Continuation::stagePtr>(&ValidationContinuation::_dirfrags)); | |
11fdf7f2 | 4401 | set_callback(SNAPREALM, static_cast<Continuation::stagePtr>(&ValidationContinuation::_snaprealm)); |
7c673cae FG |
4402 | } |
4403 | ||
4404 | ~ValidationContinuation() override { | |
b32b8144 FG |
4405 | if (shadow_in) { |
4406 | delete shadow_in; | |
4407 | in->mdcache->num_shadow_inodes--; | |
4408 | } | |
7c673cae FG |
4409 | } |
4410 | ||
4411 | /** | |
4412 | * Fetch backtrace and set tag if tag is non-empty | |
4413 | */ | |
11fdf7f2 TL |
4414 | void fetch_backtrace_and_tag(CInode *in, |
4415 | std::string_view tag, bool is_internal, | |
7c673cae FG |
4416 | Context *fin, int *bt_r, bufferlist *bt) |
4417 | { | |
4418 | const int64_t pool = in->get_backtrace_pool(); | |
4419 | object_t oid = CInode::get_object_name(in->ino(), frag_t(), ""); | |
4420 | ||
4421 | ObjectOperation fetch; | |
4422 | fetch.getxattr("parent", bt, bt_r); | |
4423 | in->mdcache->mds->objecter->read(oid, object_locator_t(pool), fetch, CEPH_NOSNAP, | |
4424 | NULL, 0, fin); | |
11fdf7f2 TL |
4425 | using ceph::encode; |
4426 | if (!is_internal) { | |
4427 | ObjectOperation scrub_tag; | |
7c673cae | 4428 | bufferlist tag_bl; |
11fdf7f2 | 4429 | encode(tag, tag_bl); |
7c673cae FG |
4430 | scrub_tag.setxattr("scrub_tag", tag_bl); |
4431 | SnapContext snapc; | |
4432 | in->mdcache->mds->objecter->mutate(oid, object_locator_t(pool), scrub_tag, snapc, | |
4433 | ceph::real_clock::now(), | |
4434 | 0, NULL); | |
4435 | } | |
4436 | } | |
4437 | ||
4438 | bool _start(int rval) { | |
4439 | if (in->is_dirty()) { | |
11fdf7f2 TL |
4440 | MDCache *mdcache = in->mdcache; |
4441 | mempool_inode& inode = in->inode; | |
4442 | dout(20) << "validating a dirty CInode; results will be inconclusive" | |
4443 | << dendl; | |
7c673cae FG |
4444 | } |
4445 | if (in->is_symlink()) { | |
11fdf7f2 TL |
4446 | // there's nothing to do for symlinks! |
4447 | return true; | |
7c673cae FG |
4448 | } |
4449 | ||
11fdf7f2 TL |
4450 | // prefetch snaprealm's past parents |
4451 | if (in->snaprealm && !in->snaprealm->have_past_parents_open()) | |
4452 | in->snaprealm->open_parents(nullptr); | |
4453 | ||
7c673cae | 4454 | C_OnFinisher *conf = new C_OnFinisher(get_io_callback(BACKTRACE), |
11fdf7f2 TL |
4455 | in->mdcache->mds->finisher); |
4456 | ||
4457 | std::string_view tag = in->scrub_infop->header->get_tag(); | |
4458 | bool is_internal = in->scrub_infop->header->is_internal_tag(); | |
4459 | // Rather than using the usual CInode::fetch_backtrace, | |
4460 | // use a special variant that optionally writes a tag in the same | |
4461 | // operation. | |
4462 | fetch_backtrace_and_tag(in, tag, is_internal, conf, &results->backtrace.ondisk_read_retval, &bl); | |
7c673cae FG |
4463 | return false; |
4464 | } | |
4465 | ||
4466 | bool _backtrace(int rval) { | |
4467 | // set up basic result reporting and make sure we got the data | |
4468 | results->performed_validation = true; // at least, some of it! | |
4469 | results->backtrace.checked = true; | |
4470 | ||
4471 | const int64_t pool = in->get_backtrace_pool(); | |
4472 | inode_backtrace_t& memory_backtrace = results->backtrace.memory_value; | |
4473 | in->build_backtrace(pool, memory_backtrace); | |
4474 | bool equivalent, divergent; | |
4475 | int memory_newer; | |
4476 | ||
4477 | MDCache *mdcache = in->mdcache; // For the benefit of dout | |
94b18763 | 4478 | const mempool_inode& inode = in->inode; // For the benefit of dout |
7c673cae FG |
4479 | |
4480 | // Ignore rval because it's the result of a FAILOK operation | |
4481 | // from fetch_backtrace_and_tag: the real result is in | |
4482 | // backtrace.ondisk_read_retval | |
4483 | dout(20) << "ondisk_read_retval: " << results->backtrace.ondisk_read_retval << dendl; | |
4484 | if (results->backtrace.ondisk_read_retval != 0) { | |
4485 | results->backtrace.error_str << "failed to read off disk; see retval"; | |
e306af50 TL |
4486 | // we probably have a new unwritten file! |
4487 | // so skip the backtrace scrub for this entry and say that all's well | |
4488 | if (in->is_dirty_parent()) | |
4489 | results->backtrace.passed = true; | |
4490 | goto next; | |
7c673cae FG |
4491 | } |
4492 | ||
4493 | // extract the backtrace, and compare it to a newly-constructed one | |
4494 | try { | |
11fdf7f2 TL |
4495 | auto p = bl.cbegin(); |
4496 | using ceph::decode; | |
4497 | decode(results->backtrace.ondisk_value, p); | |
7c673cae FG |
4498 | dout(10) << "decoded " << bl.length() << " bytes of backtrace successfully" << dendl; |
4499 | } catch (buffer::error&) { | |
4500 | if (results->backtrace.ondisk_read_retval == 0 && rval != 0) { | |
4501 | // Cases where something has clearly gone wrong with the overall | |
4502 | // fetch op, though we didn't get a nonzero rc from the getxattr | |
4503 | // operation. e.g. object missing. | |
4504 | results->backtrace.ondisk_read_retval = rval; | |
4505 | } | |
4506 | results->backtrace.error_str << "failed to decode on-disk backtrace (" | |
4507 | << bl.length() << " bytes)!"; | |
e306af50 TL |
4508 | // we probably have a new unwritten file! |
4509 | // so skip the backtrace scrub for this entry and say that all's well | |
4510 | if (in->is_dirty_parent()) | |
4511 | results->backtrace.passed = true; | |
4512 | ||
7c673cae FG |
4513 | goto next; |
4514 | } | |
4515 | ||
4516 | memory_newer = memory_backtrace.compare(results->backtrace.ondisk_value, | |
4517 | &equivalent, &divergent); | |
4518 | ||
4519 | if (divergent || memory_newer < 0) { | |
e306af50 TL |
4520 | // we're divergent, or on-disk version is newer |
4521 | results->backtrace.error_str << "On-disk backtrace is divergent or newer"; | |
4522 | // we probably have a new unwritten file! | |
4523 | // so skip the backtrace scrub for this entry and say that all's well | |
4524 | if (divergent && in->is_dirty_parent()) | |
4525 | results->backtrace.passed = true; | |
7c673cae FG |
4526 | } else { |
4527 | results->backtrace.passed = true; | |
4528 | } | |
4529 | next: | |
4530 | ||
4531 | if (!results->backtrace.passed && in->scrub_infop->header->get_repair()) { | |
4532 | std::string path; | |
4533 | in->make_path_string(path); | |
d2e6a577 FG |
4534 | in->mdcache->mds->clog->warn() << "bad backtrace on inode " << in->ino() |
4535 | << "(" << path << "), rewriting it"; | |
28e407b8 | 4536 | in->mark_dirty_parent(in->mdcache->mds->mdlog->get_current_segment(), |
7c673cae | 4537 | false); |
b32b8144 FG |
4538 | // Flag that we repaired this BT so that it won't go into damagetable |
4539 | results->backtrace.repaired = true; | |
7c673cae FG |
4540 | } |
4541 | ||
4542 | // If the inode's number was free in the InoTable, fix that | |
4543 | // (#15619) | |
4544 | { | |
4545 | InoTable *inotable = mdcache->mds->inotable; | |
4546 | ||
d2e6a577 | 4547 | dout(10) << "scrub: inotable ino = " << inode.ino << dendl; |
7c673cae FG |
4548 | dout(10) << "scrub: inotable free says " |
4549 | << inotable->is_marked_free(inode.ino) << dendl; | |
4550 | ||
4551 | if (inotable->is_marked_free(inode.ino)) { | |
4552 | LogChannelRef clog = in->mdcache->mds->clog; | |
11fdf7f2 | 4553 | clog->error() << "scrub: inode wrongly marked free: " << inode.ino; |
7c673cae FG |
4554 | |
4555 | if (in->scrub_infop->header->get_repair()) { | |
4556 | bool repaired = inotable->repair(inode.ino); | |
4557 | if (repaired) { | |
11fdf7f2 | 4558 | clog->error() << "inode table repaired for inode: " << inode.ino; |
7c673cae FG |
4559 | |
4560 | inotable->save(); | |
4561 | } else { | |
4562 | clog->error() << "Cannot repair inotable while other operations" | |
4563 | " are in progress"; | |
4564 | } | |
4565 | } | |
4566 | } | |
4567 | } | |
4568 | ||
7c673cae | 4569 | |
11fdf7f2 TL |
4570 | if (in->is_dir()) { |
4571 | return validate_directory_data(); | |
4572 | } else { | |
4573 | // TODO: validate on-disk inode for normal files | |
4574 | return check_inode_snaprealm(); | |
4575 | } | |
7c673cae FG |
4576 | } |
4577 | ||
4578 | bool validate_directory_data() { | |
11fdf7f2 | 4579 | ceph_assert(in->is_dir()); |
7c673cae FG |
4580 | |
4581 | if (in->is_base()) { | |
b32b8144 FG |
4582 | if (!shadow_in) { |
4583 | shadow_in = new CInode(in->mdcache); | |
4584 | in->mdcache->create_unlinked_system_inode(shadow_in, in->inode.ino, in->inode.mode); | |
4585 | in->mdcache->num_shadow_inodes++; | |
4586 | } | |
7c673cae FG |
4587 | shadow_in->fetch(get_internal_callback(INODE)); |
4588 | return false; | |
4589 | } else { | |
11fdf7f2 | 4590 | // TODO: validate on-disk inode for non-base directories |
7c673cae | 4591 | results->inode.passed = true; |
11fdf7f2 | 4592 | return check_dirfrag_rstats(); |
7c673cae FG |
4593 | } |
4594 | } | |
4595 | ||
4596 | bool _inode_disk(int rval) { | |
4597 | results->inode.checked = true; | |
4598 | results->inode.ondisk_read_retval = rval; | |
4599 | results->inode.ondisk_value = shadow_in->inode; | |
4600 | results->inode.memory_value = in->inode; | |
4601 | ||
94b18763 FG |
4602 | mempool_inode& si = shadow_in->inode; |
4603 | mempool_inode& i = in->inode; | |
7c673cae FG |
4604 | if (si.version > i.version) { |
4605 | // uh, what? | |
11fdf7f2 | 4606 | results->inode.error_str << "On-disk inode is newer than in-memory one; "; |
7c673cae FG |
4607 | goto next; |
4608 | } else { | |
4609 | bool divergent = false; | |
4610 | int r = i.compare(si, &divergent); | |
4611 | results->inode.passed = !divergent && r >= 0; | |
4612 | if (!results->inode.passed) { | |
4613 | results->inode.error_str << | |
11fdf7f2 | 4614 | "On-disk inode is divergent or newer than in-memory one; "; |
7c673cae FG |
4615 | goto next; |
4616 | } | |
4617 | } | |
4618 | next: | |
4619 | return check_dirfrag_rstats(); | |
4620 | } | |
4621 | ||
4622 | bool check_dirfrag_rstats() { | |
4623 | MDSGatherBuilder gather(g_ceph_context); | |
11fdf7f2 TL |
4624 | frag_vec_t leaves; |
4625 | in->dirfragtree.get_leaves(leaves); | |
4626 | for (const auto& leaf : leaves) { | |
4627 | CDir *dir = in->get_or_open_dirfrag(in->mdcache, leaf); | |
7c673cae FG |
4628 | dir->scrub_info(); |
4629 | if (!dir->scrub_infop->header) | |
4630 | dir->scrub_infop->header = in->scrub_infop->header; | |
4631 | if (dir->is_complete()) { | |
4632 | dir->scrub_local(); | |
4633 | } else { | |
4634 | dir->scrub_infop->need_scrub_local = true; | |
4635 | dir->fetch(gather.new_sub(), false); | |
4636 | } | |
4637 | } | |
4638 | if (gather.has_subs()) { | |
4639 | gather.set_finisher(get_internal_callback(DIRFRAGS)); | |
4640 | gather.activate(); | |
4641 | return false; | |
4642 | } else { | |
4643 | return immediate(DIRFRAGS, 0); | |
4644 | } | |
4645 | } | |
4646 | ||
4647 | bool _dirfrags(int rval) { | |
4648 | int frags_errors = 0; | |
4649 | // basic reporting setup | |
4650 | results->raw_stats.checked = true; | |
4651 | results->raw_stats.ondisk_read_retval = rval; | |
4652 | ||
4653 | results->raw_stats.memory_value.dirstat = in->inode.dirstat; | |
4654 | results->raw_stats.memory_value.rstat = in->inode.rstat; | |
4655 | frag_info_t& dir_info = results->raw_stats.ondisk_value.dirstat; | |
4656 | nest_info_t& nest_info = results->raw_stats.ondisk_value.rstat; | |
4657 | ||
4658 | if (rval != 0) { | |
4659 | results->raw_stats.error_str << "Failed to read dirfrags off disk"; | |
4660 | goto next; | |
4661 | } | |
4662 | ||
4663 | // check each dirfrag... | |
94b18763 FG |
4664 | for (const auto &p : in->dirfrags) { |
4665 | CDir *dir = p.second; | |
11fdf7f2 | 4666 | ceph_assert(dir->get_version() > 0); |
7c673cae FG |
4667 | nest_info.add(dir->fnode.accounted_rstat); |
4668 | dir_info.add(dir->fnode.accounted_fragstat); | |
11fdf7f2 | 4669 | if (dir->scrub_infop->pending_scrub_error) { |
7c673cae FG |
4670 | dir->scrub_infop->pending_scrub_error = false; |
4671 | if (dir->scrub_infop->header->get_repair()) { | |
b32b8144 | 4672 | results->raw_stats.repaired = true; |
7c673cae | 4673 | results->raw_stats.error_str |
94b18763 | 4674 | << "dirfrag(" << p.first << ") has bad stats (will be fixed); "; |
7c673cae FG |
4675 | } else { |
4676 | results->raw_stats.error_str | |
94b18763 | 4677 | << "dirfrag(" << p.first << ") has bad stats; "; |
7c673cae FG |
4678 | } |
4679 | frags_errors++; | |
4680 | } | |
4681 | } | |
4682 | nest_info.rsubdirs++; // it gets one to account for self | |
11fdf7f2 TL |
4683 | if (const sr_t *srnode = in->get_projected_srnode(); srnode) |
4684 | nest_info.rsnaps += srnode->snaps.size(); | |
4685 | ||
7c673cae FG |
4686 | // ...and that their sum matches our inode settings |
4687 | if (!dir_info.same_sums(in->inode.dirstat) || | |
4688 | !nest_info.same_sums(in->inode.rstat)) { | |
11fdf7f2 | 4689 | if (in->scrub_infop->header->get_repair()) { |
7c673cae FG |
4690 | results->raw_stats.error_str |
4691 | << "freshly-calculated rstats don't match existing ones (will be fixed)"; | |
4692 | in->mdcache->repair_inode_stats(in); | |
b32b8144 | 4693 | results->raw_stats.repaired = true; |
7c673cae FG |
4694 | } else { |
4695 | results->raw_stats.error_str | |
4696 | << "freshly-calculated rstats don't match existing ones"; | |
4697 | } | |
4698 | goto next; | |
4699 | } | |
4700 | if (frags_errors > 0) | |
4701 | goto next; | |
4702 | ||
4703 | results->raw_stats.passed = true; | |
4704 | next: | |
11fdf7f2 TL |
4705 | // snaprealm |
4706 | return check_inode_snaprealm(); | |
4707 | } | |
4708 | ||
4709 | bool check_inode_snaprealm() { | |
4710 | if (!in->snaprealm) | |
4711 | return true; | |
4712 | ||
4713 | if (!in->snaprealm->have_past_parents_open()) { | |
4714 | in->snaprealm->open_parents(get_internal_callback(SNAPREALM)); | |
4715 | return false; | |
4716 | } else { | |
4717 | return immediate(SNAPREALM, 0); | |
4718 | } | |
4719 | } | |
4720 | ||
4721 | bool _snaprealm(int rval) { | |
4722 | ||
4723 | if (in->snaprealm->past_parents_dirty || | |
4724 | !in->get_projected_srnode()->past_parents.empty()) { | |
4725 | // temporarily store error in field of on-disk inode validation temporarily | |
4726 | results->inode.checked = true; | |
4727 | results->inode.passed = false; | |
4728 | if (in->scrub_infop->header->get_repair()) { | |
4729 | results->inode.error_str << "Inode has old format snaprealm (will upgrade)"; | |
4730 | results->inode.repaired = true; | |
4731 | in->mdcache->upgrade_inode_snaprealm(in); | |
4732 | } else { | |
4733 | results->inode.error_str << "Inode has old format snaprealm"; | |
4734 | } | |
4735 | } | |
7c673cae FG |
4736 | return true; |
4737 | } | |
4738 | ||
4739 | void _done() override { | |
4740 | if ((!results->raw_stats.checked || results->raw_stats.passed) && | |
4741 | (!results->backtrace.checked || results->backtrace.passed) && | |
4742 | (!results->inode.checked || results->inode.passed)) | |
11fdf7f2 TL |
4743 | results->passed_validation = true; |
4744 | ||
4745 | // Flag that we did some repair work so that our repair operation | |
4746 | // can be flushed at end of scrub | |
4747 | if (results->backtrace.repaired || | |
4748 | results->inode.repaired || | |
4749 | results->raw_stats.repaired) | |
4750 | in->scrub_infop->header->set_repaired(); | |
4751 | if (fin) | |
4752 | fin->complete(get_rval()); | |
7c673cae FG |
4753 | } |
4754 | }; | |
4755 | ||
4756 | ||
4757 | dout(10) << "scrub starting validate_disk_state on " << *this << dendl; | |
4758 | ValidationContinuation *vc = new ValidationContinuation(this, | |
4759 | results, | |
4760 | fin); | |
4761 | vc->begin(); | |
4762 | } | |
4763 | ||
4764 | void CInode::validated_data::dump(Formatter *f) const | |
4765 | { | |
4766 | f->open_object_section("results"); | |
4767 | { | |
4768 | f->dump_bool("performed_validation", performed_validation); | |
4769 | f->dump_bool("passed_validation", passed_validation); | |
4770 | f->open_object_section("backtrace"); | |
4771 | { | |
4772 | f->dump_bool("checked", backtrace.checked); | |
4773 | f->dump_bool("passed", backtrace.passed); | |
4774 | f->dump_int("read_ret_val", backtrace.ondisk_read_retval); | |
4775 | f->dump_stream("ondisk_value") << backtrace.ondisk_value; | |
4776 | f->dump_stream("memoryvalue") << backtrace.memory_value; | |
4777 | f->dump_string("error_str", backtrace.error_str.str()); | |
4778 | } | |
4779 | f->close_section(); // backtrace | |
4780 | f->open_object_section("raw_stats"); | |
4781 | { | |
4782 | f->dump_bool("checked", raw_stats.checked); | |
4783 | f->dump_bool("passed", raw_stats.passed); | |
4784 | f->dump_int("read_ret_val", raw_stats.ondisk_read_retval); | |
4785 | f->dump_stream("ondisk_value.dirstat") << raw_stats.ondisk_value.dirstat; | |
4786 | f->dump_stream("ondisk_value.rstat") << raw_stats.ondisk_value.rstat; | |
4787 | f->dump_stream("memory_value.dirrstat") << raw_stats.memory_value.dirstat; | |
4788 | f->dump_stream("memory_value.rstat") << raw_stats.memory_value.rstat; | |
4789 | f->dump_string("error_str", raw_stats.error_str.str()); | |
4790 | } | |
4791 | f->close_section(); // raw_stats | |
4792 | // dump failure return code | |
4793 | int rc = 0; | |
4794 | if (backtrace.checked && backtrace.ondisk_read_retval) | |
4795 | rc = backtrace.ondisk_read_retval; | |
4796 | if (inode.checked && inode.ondisk_read_retval) | |
4797 | rc = inode.ondisk_read_retval; | |
4798 | if (raw_stats.checked && raw_stats.ondisk_read_retval) | |
4799 | rc = raw_stats.ondisk_read_retval; | |
4800 | f->dump_int("return_code", rc); | |
4801 | } | |
4802 | f->close_section(); // results | |
4803 | } | |
4804 | ||
b32b8144 FG |
4805 | bool CInode::validated_data::all_damage_repaired() const |
4806 | { | |
4807 | bool unrepaired = | |
4808 | (raw_stats.checked && !raw_stats.passed && !raw_stats.repaired) | |
4809 | || | |
4810 | (backtrace.checked && !backtrace.passed && !backtrace.repaired) | |
4811 | || | |
4812 | (inode.checked && !inode.passed && !inode.repaired); | |
4813 | ||
4814 | return !unrepaired; | |
4815 | } | |
4816 | ||
11fdf7f2 TL |
4817 | void CInode::dump(Formatter *f, int flags) const |
4818 | { | |
4819 | if (flags & DUMP_PATH) { | |
4820 | std::string path; | |
4821 | make_path_string(path, true); | |
4822 | if (path.empty()) | |
4823 | path = "/"; | |
4824 | f->dump_string("path", path); | |
4825 | } | |
4826 | ||
4827 | if (flags & DUMP_INODE_STORE_BASE) | |
4828 | InodeStoreBase::dump(f); | |
4829 | ||
4830 | if (flags & DUMP_MDS_CACHE_OBJECT) | |
4831 | MDSCacheObject::dump(f); | |
4832 | ||
4833 | if (flags & DUMP_LOCKS) { | |
4834 | f->open_object_section("versionlock"); | |
4835 | versionlock.dump(f); | |
4836 | f->close_section(); | |
4837 | ||
4838 | f->open_object_section("authlock"); | |
4839 | authlock.dump(f); | |
4840 | f->close_section(); | |
4841 | ||
4842 | f->open_object_section("linklock"); | |
4843 | linklock.dump(f); | |
4844 | f->close_section(); | |
4845 | ||
4846 | f->open_object_section("dirfragtreelock"); | |
4847 | dirfragtreelock.dump(f); | |
4848 | f->close_section(); | |
4849 | ||
4850 | f->open_object_section("filelock"); | |
4851 | filelock.dump(f); | |
4852 | f->close_section(); | |
4853 | ||
4854 | f->open_object_section("xattrlock"); | |
4855 | xattrlock.dump(f); | |
4856 | f->close_section(); | |
4857 | ||
4858 | f->open_object_section("snaplock"); | |
4859 | snaplock.dump(f); | |
4860 | f->close_section(); | |
4861 | ||
4862 | f->open_object_section("nestlock"); | |
4863 | nestlock.dump(f); | |
4864 | f->close_section(); | |
4865 | ||
4866 | f->open_object_section("flocklock"); | |
4867 | flocklock.dump(f); | |
4868 | f->close_section(); | |
4869 | ||
4870 | f->open_object_section("policylock"); | |
4871 | policylock.dump(f); | |
4872 | f->close_section(); | |
4873 | } | |
4874 | ||
4875 | if (flags & DUMP_STATE) { | |
4876 | f->open_array_section("states"); | |
4877 | MDSCacheObject::dump_states(f); | |
4878 | if (state_test(STATE_EXPORTING)) | |
4879 | f->dump_string("state", "exporting"); | |
4880 | if (state_test(STATE_OPENINGDIR)) | |
4881 | f->dump_string("state", "openingdir"); | |
4882 | if (state_test(STATE_FREEZING)) | |
4883 | f->dump_string("state", "freezing"); | |
4884 | if (state_test(STATE_FROZEN)) | |
4885 | f->dump_string("state", "frozen"); | |
4886 | if (state_test(STATE_AMBIGUOUSAUTH)) | |
4887 | f->dump_string("state", "ambiguousauth"); | |
4888 | if (state_test(STATE_EXPORTINGCAPS)) | |
4889 | f->dump_string("state", "exportingcaps"); | |
4890 | if (state_test(STATE_NEEDSRECOVER)) | |
4891 | f->dump_string("state", "needsrecover"); | |
4892 | if (state_test(STATE_PURGING)) | |
4893 | f->dump_string("state", "purging"); | |
4894 | if (state_test(STATE_DIRTYPARENT)) | |
4895 | f->dump_string("state", "dirtyparent"); | |
4896 | if (state_test(STATE_DIRTYRSTAT)) | |
4897 | f->dump_string("state", "dirtyrstat"); | |
4898 | if (state_test(STATE_STRAYPINNED)) | |
4899 | f->dump_string("state", "straypinned"); | |
4900 | if (state_test(STATE_FROZENAUTHPIN)) | |
4901 | f->dump_string("state", "frozenauthpin"); | |
4902 | if (state_test(STATE_DIRTYPOOL)) | |
4903 | f->dump_string("state", "dirtypool"); | |
4904 | if (state_test(STATE_ORPHAN)) | |
4905 | f->dump_string("state", "orphan"); | |
4906 | if (state_test(STATE_MISSINGOBJS)) | |
4907 | f->dump_string("state", "missingobjs"); | |
7c673cae FG |
4908 | f->close_section(); |
4909 | } | |
7c673cae | 4910 | |
11fdf7f2 TL |
4911 | if (flags & DUMP_CAPS) { |
4912 | f->open_array_section("client_caps"); | |
4913 | for (const auto &p : client_caps) { | |
4914 | auto &client = p.first; | |
4915 | auto cap = &p.second; | |
4916 | f->open_object_section("client_cap"); | |
4917 | f->dump_int("client_id", client.v); | |
4918 | f->dump_string("pending", ccap_string(cap->pending())); | |
4919 | f->dump_string("issued", ccap_string(cap->issued())); | |
4920 | f->dump_string("wanted", ccap_string(cap->wanted())); | |
4921 | f->dump_int("last_sent", cap->get_last_seq()); | |
4922 | f->close_section(); | |
4923 | } | |
4924 | f->close_section(); | |
4925 | ||
4926 | f->dump_int("loner", loner_cap.v); | |
4927 | f->dump_int("want_loner", want_loner_cap.v); | |
4928 | ||
4929 | f->open_array_section("mds_caps_wanted"); | |
4930 | for (const auto &p : mds_caps_wanted) { | |
4931 | f->open_object_section("mds_cap_wanted"); | |
4932 | f->dump_int("rank", p.first); | |
4933 | f->dump_string("cap", ccap_string(p.second)); | |
4934 | f->close_section(); | |
4935 | } | |
4936 | f->close_section(); | |
4937 | } | |
7c673cae | 4938 | |
11fdf7f2 TL |
4939 | if (flags & DUMP_DIRFRAGS) { |
4940 | f->open_array_section("dirfrags"); | |
9f95a23c | 4941 | auto&& dfs = get_dirfrags(); |
11fdf7f2 TL |
4942 | for(const auto &dir: dfs) { |
4943 | f->open_object_section("dir"); | |
4944 | dir->dump(f, CDir::DUMP_DEFAULT | CDir::DUMP_ITEMS); | |
4945 | dir->check_rstats(); | |
4946 | f->close_section(); | |
4947 | } | |
7c673cae FG |
4948 | f->close_section(); |
4949 | } | |
7c673cae FG |
4950 | } |
4951 | ||
4952 | /****** Scrub Stuff *****/ | |
4953 | void CInode::scrub_info_create() const | |
4954 | { | |
4955 | dout(25) << __func__ << dendl; | |
11fdf7f2 | 4956 | ceph_assert(!scrub_infop); |
7c673cae FG |
4957 | |
4958 | // break out of const-land to set up implicit initial state | |
4959 | CInode *me = const_cast<CInode*>(this); | |
94b18763 | 4960 | mempool_inode *in = me->get_projected_inode(); |
7c673cae FG |
4961 | |
4962 | scrub_info_t *si = new scrub_info_t(); | |
4963 | si->scrub_start_stamp = si->last_scrub_stamp = in->last_scrub_stamp; | |
4964 | si->scrub_start_version = si->last_scrub_version = in->last_scrub_version; | |
4965 | ||
4966 | me->scrub_infop = si; | |
4967 | } | |
4968 | ||
4969 | void CInode::scrub_maybe_delete_info() | |
4970 | { | |
4971 | if (scrub_infop && | |
4972 | !scrub_infop->scrub_in_progress && | |
4973 | !scrub_infop->last_scrub_dirty) { | |
4974 | delete scrub_infop; | |
4975 | scrub_infop = NULL; | |
4976 | } | |
4977 | } | |
4978 | ||
4979 | void CInode::scrub_initialize(CDentry *scrub_parent, | |
b32b8144 | 4980 | ScrubHeaderRef& header, |
11fdf7f2 | 4981 | MDSContext *f) |
7c673cae FG |
4982 | { |
4983 | dout(20) << __func__ << " with scrub_version " << get_version() << dendl; | |
94b18763 FG |
4984 | if (scrub_is_in_progress()) { |
4985 | dout(20) << __func__ << " inode moved during scrub, reinitializing " | |
4986 | << dendl; | |
11fdf7f2 | 4987 | ceph_assert(scrub_infop->scrub_parent); |
94b18763 FG |
4988 | CDentry *dn = scrub_infop->scrub_parent; |
4989 | CDir *dir = dn->dir; | |
4990 | dn->put(CDentry::PIN_SCRUBPARENT); | |
11fdf7f2 | 4991 | ceph_assert(dir->scrub_infop && dir->scrub_infop->directory_scrubbing); |
94b18763 FG |
4992 | dir->scrub_infop->directories_scrubbing.erase(dn->key()); |
4993 | dir->scrub_infop->others_scrubbing.erase(dn->key()); | |
4994 | } | |
7c673cae FG |
4995 | scrub_info(); |
4996 | if (!scrub_infop) | |
4997 | scrub_infop = new scrub_info_t(); | |
4998 | ||
4999 | if (get_projected_inode()->is_dir()) { | |
5000 | // fill in dirfrag_stamps with initial state | |
11fdf7f2 TL |
5001 | frag_vec_t leaves; |
5002 | dirfragtree.get_leaves(leaves); | |
5003 | for (const auto& leaf : leaves) { | |
7c673cae | 5004 | if (header->get_force()) |
11fdf7f2 | 5005 | scrub_infop->dirfrag_stamps[leaf].reset(); |
7c673cae | 5006 | else |
11fdf7f2 | 5007 | scrub_infop->dirfrag_stamps[leaf]; |
7c673cae FG |
5008 | } |
5009 | } | |
5010 | ||
5011 | if (scrub_parent) | |
5012 | scrub_parent->get(CDentry::PIN_SCRUBPARENT); | |
5013 | scrub_infop->scrub_parent = scrub_parent; | |
5014 | scrub_infop->on_finish = f; | |
5015 | scrub_infop->scrub_in_progress = true; | |
5016 | scrub_infop->children_scrubbed = false; | |
5017 | scrub_infop->header = header; | |
5018 | ||
5019 | scrub_infop->scrub_start_version = get_version(); | |
5020 | scrub_infop->scrub_start_stamp = ceph_clock_now(); | |
5021 | // right now we don't handle remote inodes | |
5022 | } | |
5023 | ||
5024 | int CInode::scrub_dirfrag_next(frag_t* out_dirfrag) | |
5025 | { | |
5026 | dout(20) << __func__ << dendl; | |
11fdf7f2 | 5027 | ceph_assert(scrub_is_in_progress()); |
7c673cae FG |
5028 | |
5029 | if (!is_dir()) { | |
5030 | return -ENOTDIR; | |
5031 | } | |
5032 | ||
5033 | std::map<frag_t, scrub_stamp_info_t>::iterator i = | |
5034 | scrub_infop->dirfrag_stamps.begin(); | |
5035 | ||
5036 | while (i != scrub_infop->dirfrag_stamps.end()) { | |
5037 | if (i->second.scrub_start_version < scrub_infop->scrub_start_version) { | |
5038 | i->second.scrub_start_version = get_projected_version(); | |
5039 | i->second.scrub_start_stamp = ceph_clock_now(); | |
5040 | *out_dirfrag = i->first; | |
5041 | dout(20) << " return frag " << *out_dirfrag << dendl; | |
5042 | return 0; | |
5043 | } | |
5044 | ++i; | |
5045 | } | |
5046 | ||
5047 | dout(20) << " no frags left, ENOENT " << dendl; | |
5048 | return ENOENT; | |
5049 | } | |
5050 | ||
11fdf7f2 | 5051 | void CInode::scrub_dirfrags_scrubbing(frag_vec_t* out_dirfrags) |
7c673cae | 5052 | { |
11fdf7f2 TL |
5053 | ceph_assert(out_dirfrags != NULL); |
5054 | ceph_assert(scrub_infop != NULL); | |
7c673cae FG |
5055 | |
5056 | out_dirfrags->clear(); | |
5057 | std::map<frag_t, scrub_stamp_info_t>::iterator i = | |
5058 | scrub_infop->dirfrag_stamps.begin(); | |
5059 | ||
5060 | while (i != scrub_infop->dirfrag_stamps.end()) { | |
5061 | if (i->second.scrub_start_version >= scrub_infop->scrub_start_version) { | |
5062 | if (i->second.last_scrub_version < scrub_infop->scrub_start_version) | |
5063 | out_dirfrags->push_back(i->first); | |
5064 | } else { | |
5065 | return; | |
5066 | } | |
5067 | ||
5068 | ++i; | |
5069 | } | |
5070 | } | |
5071 | ||
5072 | void CInode::scrub_dirfrag_finished(frag_t dirfrag) | |
5073 | { | |
5074 | dout(20) << __func__ << " on frag " << dirfrag << dendl; | |
11fdf7f2 | 5075 | ceph_assert(scrub_is_in_progress()); |
7c673cae FG |
5076 | |
5077 | std::map<frag_t, scrub_stamp_info_t>::iterator i = | |
5078 | scrub_infop->dirfrag_stamps.find(dirfrag); | |
11fdf7f2 | 5079 | ceph_assert(i != scrub_infop->dirfrag_stamps.end()); |
7c673cae FG |
5080 | |
5081 | scrub_stamp_info_t &si = i->second; | |
5082 | si.last_scrub_stamp = si.scrub_start_stamp; | |
5083 | si.last_scrub_version = si.scrub_start_version; | |
5084 | } | |
5085 | ||
11fdf7f2 TL |
5086 | void CInode::scrub_aborted(MDSContext **c) { |
5087 | dout(20) << __func__ << dendl; | |
5088 | ceph_assert(scrub_is_in_progress()); | |
5089 | ||
5090 | *c = nullptr; | |
5091 | std::swap(*c, scrub_infop->on_finish); | |
5092 | ||
5093 | if (scrub_infop->scrub_parent) { | |
5094 | CDentry *dn = scrub_infop->scrub_parent; | |
5095 | scrub_infop->scrub_parent = NULL; | |
5096 | dn->dir->scrub_dentry_finished(dn); | |
5097 | dn->put(CDentry::PIN_SCRUBPARENT); | |
5098 | } | |
5099 | ||
5100 | delete scrub_infop; | |
5101 | scrub_infop = nullptr; | |
5102 | } | |
5103 | ||
5104 | void CInode::scrub_finished(MDSContext **c) { | |
7c673cae | 5105 | dout(20) << __func__ << dendl; |
11fdf7f2 | 5106 | ceph_assert(scrub_is_in_progress()); |
7c673cae FG |
5107 | for (std::map<frag_t, scrub_stamp_info_t>::iterator i = |
5108 | scrub_infop->dirfrag_stamps.begin(); | |
5109 | i != scrub_infop->dirfrag_stamps.end(); | |
5110 | ++i) { | |
5111 | if(i->second.last_scrub_version != i->second.scrub_start_version) { | |
5112 | derr << i->second.last_scrub_version << " != " | |
5113 | << i->second.scrub_start_version << dendl; | |
5114 | } | |
11fdf7f2 | 5115 | ceph_assert(i->second.last_scrub_version == i->second.scrub_start_version); |
7c673cae FG |
5116 | } |
5117 | ||
5118 | scrub_infop->last_scrub_version = scrub_infop->scrub_start_version; | |
5119 | scrub_infop->last_scrub_stamp = scrub_infop->scrub_start_stamp; | |
5120 | scrub_infop->last_scrub_dirty = true; | |
5121 | scrub_infop->scrub_in_progress = false; | |
5122 | ||
5123 | if (scrub_infop->scrub_parent) { | |
5124 | CDentry *dn = scrub_infop->scrub_parent; | |
5125 | scrub_infop->scrub_parent = NULL; | |
5126 | dn->dir->scrub_dentry_finished(dn); | |
5127 | dn->put(CDentry::PIN_SCRUBPARENT); | |
5128 | } | |
5129 | ||
5130 | *c = scrub_infop->on_finish; | |
5131 | scrub_infop->on_finish = NULL; | |
5132 | ||
5133 | if (scrub_infop->header->get_origin() == this) { | |
5134 | // We are at the point that a tagging scrub was initiated | |
5135 | LogChannelRef clog = mdcache->mds->clog; | |
11fdf7f2 TL |
5136 | clog->info() << "scrub complete with tag '" |
5137 | << scrub_infop->header->get_tag() << "'"; | |
7c673cae FG |
5138 | } |
5139 | } | |
5140 | ||
5141 | int64_t CInode::get_backtrace_pool() const | |
5142 | { | |
5143 | if (is_dir()) { | |
5144 | return mdcache->mds->mdsmap->get_metadata_pool(); | |
5145 | } else { | |
5146 | // Files are required to have an explicit layout that specifies | |
5147 | // a pool | |
11fdf7f2 | 5148 | ceph_assert(inode.layout.pool_id != -1); |
7c673cae FG |
5149 | return inode.layout.pool_id; |
5150 | } | |
5151 | } | |
5152 | ||
31f18b77 FG |
5153 | void CInode::maybe_export_pin(bool update) |
5154 | { | |
11fdf7f2 | 5155 | if (!g_conf()->mds_bal_export_pin) |
31f18b77 FG |
5156 | return; |
5157 | if (!is_dir() || !is_normal()) | |
5158 | return; | |
7c673cae | 5159 | |
31f18b77 FG |
5160 | mds_rank_t export_pin = get_export_pin(false); |
5161 | if (export_pin == MDS_RANK_NONE && !update) | |
5162 | return; | |
7c673cae | 5163 | |
31f18b77 FG |
5164 | if (state_test(CInode::STATE_QUEUEDEXPORTPIN)) |
5165 | return; | |
5166 | ||
5167 | bool queue = false; | |
5168 | for (auto p = dirfrags.begin(); p != dirfrags.end(); p++) { | |
5169 | CDir *dir = p->second; | |
5170 | if (!dir->is_auth()) | |
5171 | continue; | |
5172 | if (export_pin != MDS_RANK_NONE) { | |
5173 | if (dir->is_subtree_root()) { | |
5174 | // set auxsubtree bit or export it | |
5175 | if (!dir->state_test(CDir::STATE_AUXSUBTREE) || | |
5176 | export_pin != dir->get_dir_auth().first) | |
5177 | queue = true; | |
5178 | } else { | |
5179 | // create aux subtree or export it | |
5180 | queue = true; | |
7c673cae | 5181 | } |
31f18b77 FG |
5182 | } else { |
5183 | // clear aux subtrees ? | |
5184 | queue = dir->state_test(CDir::STATE_AUXSUBTREE); | |
5185 | } | |
5186 | if (queue) { | |
5187 | state_set(CInode::STATE_QUEUEDEXPORTPIN); | |
7c673cae | 5188 | mdcache->export_pin_queue.insert(this); |
31f18b77 | 5189 | break; |
7c673cae FG |
5190 | } |
5191 | } | |
5192 | } | |
5193 | ||
5194 | void CInode::set_export_pin(mds_rank_t rank) | |
5195 | { | |
11fdf7f2 TL |
5196 | ceph_assert(is_dir()); |
5197 | ceph_assert(is_projected()); | |
7c673cae | 5198 | get_projected_inode()->export_pin = rank; |
7c673cae FG |
5199 | } |
5200 | ||
5201 | mds_rank_t CInode::get_export_pin(bool inherit) const | |
5202 | { | |
5203 | /* An inode that is export pinned may not necessarily be a subtree root, we | |
5204 | * need to traverse the parents. A base or system inode cannot be pinned. | |
5205 | * N.B. inodes not yet linked into a dir (i.e. anonymous inodes) will not | |
5206 | * have a parent yet. | |
5207 | */ | |
b32b8144 FG |
5208 | const CInode *in = this; |
5209 | while (true) { | |
5210 | if (in->is_system()) | |
5211 | break; | |
f64942e4 | 5212 | const CDentry *pdn = in->get_parent_dn(); |
b32b8144 FG |
5213 | if (!pdn) |
5214 | break; | |
b32b8144 | 5215 | // ignore export pin for unlinked directory |
f64942e4 | 5216 | if (in->get_inode().nlink == 0) |
b32b8144 | 5217 | break; |
f64942e4 AA |
5218 | if (in->get_inode().export_pin >= 0) |
5219 | return in->get_inode().export_pin; | |
b32b8144 FG |
5220 | |
5221 | if (!inherit) | |
5222 | break; | |
5223 | in = pdn->get_dir()->inode; | |
7c673cae FG |
5224 | } |
5225 | return MDS_RANK_NONE; | |
5226 | } | |
5227 | ||
5228 | bool CInode::is_exportable(mds_rank_t dest) const | |
5229 | { | |
5230 | mds_rank_t pin = get_export_pin(); | |
5231 | if (pin == dest) { | |
5232 | return true; | |
5233 | } else if (pin >= 0) { | |
5234 | return false; | |
5235 | } else { | |
5236 | return true; | |
5237 | } | |
5238 | } | |
181888fb | 5239 | |
9f95a23c TL |
5240 | void CInode::get_nested_dirfrags(std::vector<CDir*>& v) const |
5241 | { | |
5242 | for (const auto &p : dirfrags) { | |
5243 | const auto& dir = p.second; | |
5244 | if (!dir->is_subtree_root()) | |
5245 | v.push_back(dir); | |
5246 | } | |
5247 | } | |
5248 | ||
5249 | void CInode::get_subtree_dirfrags(std::vector<CDir*>& v) const | |
5250 | { | |
5251 | for (const auto &p : dirfrags) { | |
5252 | const auto& dir = p.second; | |
5253 | if (dir->is_subtree_root()) | |
5254 | v.push_back(dir); | |
5255 | } | |
5256 | } | |
5257 | ||
181888fb | 5258 | MEMPOOL_DEFINE_OBJECT_FACTORY(CInode, co_inode, mds_co); |