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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 | } | |
f6b5b4d7 TL |
276 | if (in.state_test(CInode::STATE_DISTEPHEMERALPIN)) { |
277 | out << " distepin"; | |
278 | } | |
279 | if (in.state_test(CInode::STATE_RANDEPHEMERALPIN)) { | |
280 | out << " randepin"; | |
281 | } | |
7c673cae FG |
282 | |
283 | out << " " << ∈ | |
284 | out << "]"; | |
285 | return out; | |
286 | } | |
287 | ||
288 | ostream& operator<<(ostream& out, const CInode::scrub_stamp_info_t& si) | |
289 | { | |
290 | out << "{scrub_start_version: " << si.scrub_start_version | |
291 | << ", scrub_start_stamp: " << si.scrub_start_stamp | |
292 | << ", last_scrub_version: " << si.last_scrub_version | |
293 | << ", last_scrub_stamp: " << si.last_scrub_stamp; | |
294 | return out; | |
295 | } | |
296 | ||
11fdf7f2 TL |
297 | CInode::CInode(MDCache *c, bool auth, snapid_t f, snapid_t l) |
298 | : | |
299 | mdcache(c), | |
300 | first(f), last(l), | |
301 | item_dirty(this), | |
302 | item_caps(this), | |
303 | item_open_file(this), | |
304 | item_dirty_parent(this), | |
305 | item_dirty_dirfrag_dir(this), | |
306 | item_dirty_dirfrag_nest(this), | |
307 | item_dirty_dirfrag_dirfragtree(this), | |
308 | pop(c->decayrate), | |
309 | versionlock(this, &versionlock_type), | |
310 | authlock(this, &authlock_type), | |
311 | linklock(this, &linklock_type), | |
312 | dirfragtreelock(this, &dirfragtreelock_type), | |
313 | filelock(this, &filelock_type), | |
314 | xattrlock(this, &xattrlock_type), | |
315 | snaplock(this, &snaplock_type), | |
316 | nestlock(this, &nestlock_type), | |
317 | flocklock(this, &flocklock_type), | |
318 | policylock(this, &policylock_type) | |
319 | { | |
320 | if (auth) state_set(STATE_AUTH); | |
321 | } | |
7c673cae FG |
322 | |
323 | void CInode::print(ostream& out) | |
324 | { | |
325 | out << *this; | |
326 | } | |
327 | ||
7c673cae FG |
328 | void CInode::add_need_snapflush(CInode *snapin, snapid_t snapid, client_t client) |
329 | { | |
11fdf7f2 | 330 | dout(10) << __func__ << " client." << client << " snapid " << snapid << " on " << snapin << dendl; |
7c673cae FG |
331 | |
332 | if (client_need_snapflush.empty()) { | |
333 | get(CInode::PIN_NEEDSNAPFLUSH); | |
334 | ||
335 | // FIXME: this is non-optimal, as we'll block freezes/migrations for potentially | |
336 | // long periods waiting for clients to flush their snaps. | |
337 | auth_pin(this); // pin head inode... | |
338 | } | |
339 | ||
94b18763 | 340 | auto &clients = client_need_snapflush[snapid]; |
7c673cae FG |
341 | if (clients.empty()) |
342 | snapin->auth_pin(this); // ...and pin snapped/old inode! | |
343 | ||
344 | clients.insert(client); | |
345 | } | |
346 | ||
347 | void CInode::remove_need_snapflush(CInode *snapin, snapid_t snapid, client_t client) | |
348 | { | |
94b18763 FG |
349 | dout(10) << __func__ << " client." << client << " snapid " << snapid << " on " << snapin << dendl; |
350 | auto it = client_need_snapflush.find(snapid); | |
351 | if (it == client_need_snapflush.end()) { | |
7c673cae FG |
352 | dout(10) << " snapid not found" << dendl; |
353 | return; | |
354 | } | |
94b18763 FG |
355 | size_t n = it->second.erase(client); |
356 | if (n == 0) { | |
7c673cae FG |
357 | dout(10) << " client not found" << dendl; |
358 | return; | |
359 | } | |
94b18763 FG |
360 | if (it->second.empty()) { |
361 | client_need_snapflush.erase(it); | |
7c673cae FG |
362 | snapin->auth_unpin(this); |
363 | ||
364 | if (client_need_snapflush.empty()) { | |
365 | put(CInode::PIN_NEEDSNAPFLUSH); | |
366 | auth_unpin(this); | |
367 | } | |
368 | } | |
369 | } | |
370 | ||
494da23a | 371 | pair<bool,bool> CInode::split_need_snapflush(CInode *cowin, CInode *in) |
7c673cae | 372 | { |
11fdf7f2 | 373 | dout(10) << __func__ << " [" << cowin->first << "," << cowin->last << "] for " << *cowin << dendl; |
494da23a TL |
374 | bool cowin_need_flush = false; |
375 | bool orig_need_flush = false; | |
376 | auto it = client_need_snapflush.lower_bound(cowin->first); | |
377 | while (it != client_need_snapflush.end() && it->first < in->first) { | |
11fdf7f2 | 378 | ceph_assert(!it->second.empty()); |
94b18763 | 379 | if (cowin->last >= it->first) { |
7c673cae | 380 | cowin->auth_pin(this); |
494da23a | 381 | cowin_need_flush = true; |
94b18763 FG |
382 | ++it; |
383 | } else { | |
384 | it = client_need_snapflush.erase(it); | |
385 | } | |
7c673cae FG |
386 | in->auth_unpin(this); |
387 | } | |
494da23a TL |
388 | |
389 | if (it != client_need_snapflush.end() && it->first <= in->last) | |
390 | orig_need_flush = true; | |
391 | ||
392 | return make_pair(cowin_need_flush, orig_need_flush); | |
7c673cae FG |
393 | } |
394 | ||
395 | void CInode::mark_dirty_rstat() | |
396 | { | |
397 | if (!state_test(STATE_DIRTYRSTAT)) { | |
11fdf7f2 | 398 | dout(10) << __func__ << dendl; |
7c673cae FG |
399 | state_set(STATE_DIRTYRSTAT); |
400 | get(PIN_DIRTYRSTAT); | |
224ce89b WB |
401 | CDentry *pdn = get_projected_parent_dn(); |
402 | if (pdn->is_auth()) { | |
403 | CDir *pdir = pdn->dir; | |
404 | pdir->dirty_rstat_inodes.push_back(&dirty_rstat_item); | |
405 | mdcache->mds->locker->mark_updated_scatterlock(&pdir->inode->nestlock); | |
406 | } else { | |
407 | // under cross-MDS rename. | |
408 | // DIRTYRSTAT flag will get cleared when rename finishes | |
11fdf7f2 | 409 | ceph_assert(state_test(STATE_AMBIGUOUSAUTH)); |
224ce89b | 410 | } |
7c673cae FG |
411 | } |
412 | } | |
413 | void CInode::clear_dirty_rstat() | |
414 | { | |
415 | if (state_test(STATE_DIRTYRSTAT)) { | |
11fdf7f2 | 416 | dout(10) << __func__ << dendl; |
7c673cae FG |
417 | state_clear(STATE_DIRTYRSTAT); |
418 | put(PIN_DIRTYRSTAT); | |
419 | dirty_rstat_item.remove_myself(); | |
420 | } | |
421 | } | |
422 | ||
94b18763 FG |
423 | CInode::projected_inode &CInode::project_inode(bool xattr, bool snap) |
424 | { | |
11fdf7f2 TL |
425 | auto &pi = projected_nodes.empty() ? |
426 | projected_nodes.emplace_back(inode) : | |
94b18763 | 427 | projected_nodes.emplace_back(projected_nodes.back().inode); |
7c673cae FG |
428 | |
429 | if (scrub_infop && scrub_infop->last_scrub_dirty) { | |
94b18763 FG |
430 | pi.inode.last_scrub_stamp = scrub_infop->last_scrub_stamp; |
431 | pi.inode.last_scrub_version = scrub_infop->last_scrub_version; | |
7c673cae FG |
432 | scrub_infop->last_scrub_dirty = false; |
433 | scrub_maybe_delete_info(); | |
434 | } | |
94b18763 FG |
435 | |
436 | if (xattr) { | |
437 | pi.xattrs.reset(new mempool_xattr_map(*get_projected_xattrs())); | |
438 | ++num_projected_xattrs; | |
439 | } | |
440 | ||
441 | if (snap) { | |
11fdf7f2 | 442 | project_snaprealm(); |
94b18763 FG |
443 | } |
444 | ||
445 | dout(15) << __func__ << " " << pi.inode.ino << dendl; | |
446 | return pi; | |
7c673cae FG |
447 | } |
448 | ||
449 | void CInode::pop_and_dirty_projected_inode(LogSegment *ls) | |
450 | { | |
11fdf7f2 | 451 | ceph_assert(!projected_nodes.empty()); |
f6b5b4d7 TL |
452 | auto& front = projected_nodes.front(); |
453 | ||
94b18763 FG |
454 | dout(15) << __func__ << " " << front.inode.ino |
455 | << " v" << front.inode.version << dendl; | |
f6b5b4d7 | 456 | |
7c673cae | 457 | int64_t old_pool = inode.layout.pool_id; |
f6b5b4d7 TL |
458 | bool pin_update = inode.export_pin != front.inode.export_pin; |
459 | bool dist_update = inode.export_ephemeral_distributed_pin | |
460 | != front.inode.export_ephemeral_distributed_pin; | |
7c673cae | 461 | |
94b18763 | 462 | mark_dirty(front.inode.version, ls); |
f6b5b4d7 TL |
463 | |
464 | inode = std::move(front.inode); | |
465 | ||
466 | if (pin_update) | |
f64942e4 | 467 | maybe_export_pin(true); |
f6b5b4d7 TL |
468 | if (dist_update) |
469 | maybe_ephemeral_dist_children(true); | |
7c673cae FG |
470 | |
471 | if (inode.is_backtrace_updated()) | |
28e407b8 | 472 | mark_dirty_parent(ls, old_pool != inode.layout.pool_id); |
7c673cae | 473 | |
94b18763 | 474 | if (front.xattrs) { |
7c673cae | 475 | --num_projected_xattrs; |
94b18763 | 476 | xattrs = *front.xattrs; |
7c673cae FG |
477 | } |
478 | ||
11fdf7f2 TL |
479 | if (projected_nodes.front().snapnode != projected_inode::UNDEF_SRNODE) { |
480 | pop_projected_snaprealm(projected_nodes.front().snapnode, false); | |
7c673cae FG |
481 | --num_projected_srnodes; |
482 | } | |
483 | ||
7c673cae FG |
484 | projected_nodes.pop_front(); |
485 | } | |
486 | ||
9f95a23c TL |
487 | CInode::mempool_xattr_map *CInode::get_projected_xattrs() |
488 | { | |
489 | if (num_projected_xattrs > 0) { | |
490 | for (auto it = projected_nodes.rbegin(); it != projected_nodes.rend(); ++it) | |
491 | if (it->xattrs) | |
492 | return it->xattrs.get(); | |
493 | } | |
494 | return &xattrs; | |
495 | } | |
496 | ||
497 | CInode::mempool_xattr_map *CInode::get_previous_projected_xattrs() | |
498 | { | |
499 | if (num_projected_xattrs > 0) { | |
500 | for (auto it = ++projected_nodes.rbegin(); it != projected_nodes.rend(); ++it) | |
501 | if (it->xattrs) | |
502 | return it->xattrs.get(); | |
503 | } | |
504 | return &xattrs; | |
505 | } | |
506 | ||
11fdf7f2 TL |
507 | sr_t *CInode::prepare_new_srnode(snapid_t snapid) |
508 | { | |
509 | const sr_t *cur_srnode = get_projected_srnode(); | |
510 | sr_t *new_srnode; | |
511 | ||
512 | if (cur_srnode) { | |
513 | new_srnode = new sr_t(*cur_srnode); | |
514 | if (!new_srnode->past_parents.empty()) { | |
515 | // convert past_parents to past_parent_snaps | |
516 | ceph_assert(snaprealm); | |
517 | auto& snaps = snaprealm->get_snaps(); | |
518 | for (auto p : snaps) { | |
519 | if (p >= new_srnode->current_parent_since) | |
520 | break; | |
521 | if (!new_srnode->snaps.count(p)) | |
522 | new_srnode->past_parent_snaps.insert(p); | |
523 | } | |
524 | new_srnode->seq = snaprealm->get_newest_seq(); | |
525 | new_srnode->past_parents.clear(); | |
526 | } | |
527 | if (snaprealm) | |
528 | snaprealm->past_parents_dirty = false; | |
529 | } else { | |
530 | if (snapid == 0) | |
531 | snapid = mdcache->get_global_snaprealm()->get_newest_seq(); | |
532 | new_srnode = new sr_t(); | |
533 | new_srnode->seq = snapid; | |
534 | new_srnode->created = snapid; | |
535 | new_srnode->current_parent_since = get_oldest_snap(); | |
536 | } | |
537 | return new_srnode; | |
538 | } | |
539 | ||
9f95a23c TL |
540 | const sr_t *CInode::get_projected_srnode() const { |
541 | if (num_projected_srnodes > 0) { | |
542 | for (auto it = projected_nodes.rbegin(); it != projected_nodes.rend(); ++it) | |
543 | if (it->snapnode != projected_inode::UNDEF_SRNODE) | |
544 | return it->snapnode; | |
545 | } | |
546 | if (snaprealm) | |
547 | return &snaprealm->srnode; | |
548 | else | |
549 | return NULL; | |
550 | } | |
551 | ||
11fdf7f2 TL |
552 | void CInode::project_snaprealm(sr_t *new_srnode) |
553 | { | |
554 | dout(10) << __func__ << " " << new_srnode << dendl; | |
555 | ceph_assert(projected_nodes.back().snapnode == projected_inode::UNDEF_SRNODE); | |
556 | projected_nodes.back().snapnode = new_srnode; | |
557 | ++num_projected_srnodes; | |
558 | } | |
559 | ||
560 | void CInode::mark_snaprealm_global(sr_t *new_srnode) | |
561 | { | |
562 | ceph_assert(!is_dir()); | |
563 | // 'last_destroyed' is no longer used, use it to store origin 'current_parent_since' | |
564 | new_srnode->last_destroyed = new_srnode->current_parent_since; | |
565 | new_srnode->current_parent_since = mdcache->get_global_snaprealm()->get_newest_seq() + 1; | |
566 | new_srnode->mark_parent_global(); | |
567 | } | |
568 | ||
569 | void CInode::clear_snaprealm_global(sr_t *new_srnode) | |
570 | { | |
571 | // restore 'current_parent_since' | |
572 | new_srnode->current_parent_since = new_srnode->last_destroyed; | |
573 | new_srnode->last_destroyed = 0; | |
574 | new_srnode->seq = mdcache->get_global_snaprealm()->get_newest_seq(); | |
575 | new_srnode->clear_parent_global(); | |
576 | } | |
577 | ||
578 | bool CInode::is_projected_snaprealm_global() const | |
579 | { | |
580 | const sr_t *srnode = get_projected_srnode(); | |
581 | if (srnode && srnode->is_parent_global()) | |
582 | return true; | |
583 | return false; | |
584 | } | |
585 | ||
586 | void CInode::project_snaprealm_past_parent(SnapRealm *newparent) | |
587 | { | |
588 | sr_t *new_snap = project_snaprealm(); | |
589 | record_snaprealm_past_parent(new_snap, newparent); | |
590 | } | |
591 | ||
592 | ||
7c673cae FG |
593 | /* if newparent != parent, add parent to past_parents |
594 | if parent DNE, we need to find what the parent actually is and fill that in */ | |
11fdf7f2 | 595 | void CInode::record_snaprealm_past_parent(sr_t *new_snap, SnapRealm *newparent) |
7c673cae | 596 | { |
11fdf7f2 | 597 | ceph_assert(!new_snap->is_parent_global()); |
7c673cae FG |
598 | SnapRealm *oldparent; |
599 | if (!snaprealm) { | |
600 | oldparent = find_snaprealm(); | |
11fdf7f2 | 601 | } else { |
7c673cae | 602 | oldparent = snaprealm->parent; |
11fdf7f2 | 603 | } |
7c673cae FG |
604 | |
605 | if (newparent != oldparent) { | |
606 | snapid_t oldparentseq = oldparent->get_newest_seq(); | |
11fdf7f2 TL |
607 | if (oldparentseq + 1 > new_snap->current_parent_since) { |
608 | // copy old parent's snaps | |
609 | const set<snapid_t>& snaps = oldparent->get_snaps(); | |
610 | auto p = snaps.lower_bound(new_snap->current_parent_since); | |
611 | if (p != snaps.end()) | |
612 | new_snap->past_parent_snaps.insert(p, snaps.end()); | |
613 | if (oldparentseq > new_snap->seq) | |
614 | new_snap->seq = oldparentseq; | |
7c673cae | 615 | } |
11fdf7f2 | 616 | new_snap->current_parent_since = mdcache->get_global_snaprealm()->get_newest_seq() + 1; |
7c673cae FG |
617 | } |
618 | } | |
619 | ||
11fdf7f2 TL |
620 | void CInode::record_snaprealm_parent_dentry(sr_t *new_snap, SnapRealm *newparent, |
621 | CDentry *dn, bool primary_dn) | |
7c673cae | 622 | { |
11fdf7f2 TL |
623 | ceph_assert(new_snap->is_parent_global()); |
624 | SnapRealm *oldparent = dn->get_dir()->inode->find_snaprealm(); | |
625 | auto& snaps = oldparent->get_snaps(); | |
626 | ||
627 | if (!primary_dn) { | |
628 | auto p = snaps.lower_bound(dn->first); | |
629 | if (p != snaps.end()) | |
630 | new_snap->past_parent_snaps.insert(p, snaps.end()); | |
631 | } else if (newparent != oldparent) { | |
632 | // 'last_destroyed' is used as 'current_parent_since' | |
633 | auto p = snaps.lower_bound(new_snap->last_destroyed); | |
634 | if (p != snaps.end()) | |
635 | new_snap->past_parent_snaps.insert(p, snaps.end()); | |
636 | new_snap->last_destroyed = mdcache->get_global_snaprealm()->get_newest_seq() + 1; | |
637 | } | |
638 | } | |
7c673cae | 639 | |
11fdf7f2 TL |
640 | void CInode::early_pop_projected_snaprealm() |
641 | { | |
642 | ceph_assert(!projected_nodes.empty()); | |
643 | if (projected_nodes.front().snapnode != projected_inode::UNDEF_SRNODE) { | |
644 | pop_projected_snaprealm(projected_nodes.front().snapnode, true); | |
645 | projected_nodes.front().snapnode = projected_inode::UNDEF_SRNODE; | |
646 | --num_projected_srnodes; | |
7c673cae | 647 | } |
11fdf7f2 | 648 | } |
7c673cae | 649 | |
11fdf7f2 TL |
650 | void CInode::pop_projected_snaprealm(sr_t *next_snaprealm, bool early) |
651 | { | |
652 | if (next_snaprealm) { | |
653 | dout(10) << __func__ << (early ? " (early) " : " ") | |
654 | << next_snaprealm << " seq " << next_snaprealm->seq << dendl; | |
655 | bool invalidate_cached_snaps = false; | |
656 | if (!snaprealm) { | |
657 | open_snaprealm(); | |
658 | } else if (!snaprealm->srnode.past_parents.empty()) { | |
659 | invalidate_cached_snaps = true; | |
660 | // re-open past parents | |
661 | snaprealm->close_parents(); | |
662 | ||
663 | dout(10) << " realm " << *snaprealm << " past_parents " << snaprealm->srnode.past_parents | |
664 | << " -> " << next_snaprealm->past_parents << dendl; | |
665 | } | |
666 | auto old_flags = snaprealm->srnode.flags; | |
667 | snaprealm->srnode = *next_snaprealm; | |
668 | delete next_snaprealm; | |
7c673cae | 669 | |
11fdf7f2 TL |
670 | if ((snaprealm->srnode.flags ^ old_flags) & sr_t::PARENT_GLOBAL) { |
671 | snaprealm->close_parents(); | |
672 | snaprealm->adjust_parent(); | |
673 | } | |
7c673cae | 674 | |
11fdf7f2 TL |
675 | // we should be able to open these up (or have them already be open). |
676 | bool ok = snaprealm->_open_parents(NULL); | |
677 | ceph_assert(ok); | |
678 | ||
679 | if (invalidate_cached_snaps) | |
680 | snaprealm->invalidate_cached_snaps(); | |
681 | ||
682 | if (snaprealm->parent) | |
683 | dout(10) << " realm " << *snaprealm << " parent " << *snaprealm->parent << dendl; | |
684 | } else { | |
685 | dout(10) << __func__ << (early ? " (early) null" : " null") << dendl; | |
686 | ceph_assert(snaprealm); | |
687 | snaprealm->merge_to(NULL); | |
688 | } | |
7c673cae FG |
689 | } |
690 | ||
691 | ||
692 | // ====== CInode ======= | |
693 | ||
694 | // dirfrags | |
695 | ||
11fdf7f2 | 696 | __u32 InodeStoreBase::hash_dentry_name(std::string_view dn) |
7c673cae FG |
697 | { |
698 | int which = inode.dir_layout.dl_dir_hash; | |
699 | if (!which) | |
700 | which = CEPH_STR_HASH_LINUX; | |
11fdf7f2 | 701 | ceph_assert(ceph_str_hash_valid(which)); |
7c673cae FG |
702 | return ceph_str_hash(which, dn.data(), dn.length()); |
703 | } | |
704 | ||
11fdf7f2 | 705 | frag_t InodeStoreBase::pick_dirfrag(std::string_view dn) |
7c673cae FG |
706 | { |
707 | if (dirfragtree.empty()) | |
708 | return frag_t(); // avoid the string hash if we can. | |
709 | ||
710 | __u32 h = hash_dentry_name(dn); | |
711 | return dirfragtree[h]; | |
712 | } | |
713 | ||
9f95a23c | 714 | std::pair<bool, std::vector<CDir*>> CInode::get_dirfrags_under(frag_t fg) |
7c673cae | 715 | { |
9f95a23c TL |
716 | std::pair<bool, std::vector<CDir*>> result; |
717 | auto& all = result.first; | |
718 | auto& dirs = result.second; | |
719 | all = false; | |
720 | ||
721 | if (auto it = dirfrags.find(fg); it != dirfrags.end()){ | |
722 | all = true; | |
723 | dirs.push_back(it->second); | |
724 | return result; | |
7c673cae | 725 | } |
9f95a23c TL |
726 | |
727 | int total = 0; | |
728 | for(auto &[_fg, _dir] : dirfrags){ | |
729 | // frag_t.bits() can indicate the depth of the partition in the directory tree | |
730 | // e.g. | |
731 | // 01* : bit = 2, on the second floor | |
732 | // * | |
733 | // 0* 1* | |
734 | // 00* 01* 10* 11* -- > level 2, bit = 2 | |
735 | // so fragA.bits > fragB.bits means fragA is deeper than fragB | |
736 | ||
737 | if (fg.bits() >= _fg.bits()) { | |
738 | if (_fg.contains(fg)) { | |
739 | all = true; | |
740 | return result; | |
741 | } | |
742 | } else { | |
743 | if (fg.contains(_fg)) { | |
744 | dirs.push_back(_dir); | |
745 | // we can calculate how many sub slices a slice can be divided into | |
746 | // frag_t(*) can be divided into two frags belonging to the first layer(0* 1*) | |
747 | // or 2^2 frags belonging to the second layer(00* 01* 10* 11*) | |
748 | // or (1 << (24 - frag_t(*).bits)) frags belonging to the 24th level | |
749 | total += 1 << (24 - _fg.bits()); | |
11fdf7f2 | 750 | } |
7c673cae | 751 | } |
94b18763 | 752 | } |
7c673cae | 753 | |
9f95a23c TL |
754 | // we convert all the frags into the frags of 24th layer to calculate whether all the frags are included in the memory cache |
755 | all = ((1<<(24-fg.bits())) == total); | |
756 | return result; | |
7c673cae FG |
757 | } |
758 | ||
759 | void CInode::verify_dirfrags() | |
760 | { | |
761 | bool bad = false; | |
94b18763 FG |
762 | for (const auto &p : dirfrags) { |
763 | if (!dirfragtree.is_leaf(p.first)) { | |
764 | dout(0) << "have open dirfrag " << p.first << " but not leaf in " << dirfragtree | |
765 | << ": " << *p.second << dendl; | |
7c673cae FG |
766 | bad = true; |
767 | } | |
768 | } | |
11fdf7f2 | 769 | ceph_assert(!bad); |
7c673cae FG |
770 | } |
771 | ||
772 | void CInode::force_dirfrags() | |
773 | { | |
774 | bool bad = false; | |
94b18763 FG |
775 | for (auto &p : dirfrags) { |
776 | if (!dirfragtree.is_leaf(p.first)) { | |
777 | dout(0) << "have open dirfrag " << p.first << " but not leaf in " << dirfragtree | |
778 | << ": " << *p.second << dendl; | |
7c673cae FG |
779 | bad = true; |
780 | } | |
781 | } | |
782 | ||
783 | if (bad) { | |
11fdf7f2 | 784 | frag_vec_t leaves; |
7c673cae | 785 | dirfragtree.get_leaves(leaves); |
11fdf7f2 TL |
786 | for (const auto& leaf : leaves) { |
787 | mdcache->get_force_dirfrag(dirfrag_t(ino(), leaf), true); | |
788 | } | |
7c673cae FG |
789 | } |
790 | ||
791 | verify_dirfrags(); | |
792 | } | |
793 | ||
794 | CDir *CInode::get_approx_dirfrag(frag_t fg) | |
795 | { | |
796 | CDir *dir = get_dirfrag(fg); | |
797 | if (dir) return dir; | |
798 | ||
799 | // find a child? | |
9f95a23c TL |
800 | auto&& p = get_dirfrags_under(fg); |
801 | if (!p.second.empty()) | |
802 | return p.second.front(); | |
7c673cae FG |
803 | |
804 | // try parents? | |
805 | while (fg.bits() > 0) { | |
806 | fg = fg.parent(); | |
807 | dir = get_dirfrag(fg); | |
808 | if (dir) return dir; | |
809 | } | |
810 | return NULL; | |
811 | } | |
812 | ||
7c673cae FG |
813 | CDir *CInode::get_or_open_dirfrag(MDCache *mdcache, frag_t fg) |
814 | { | |
11fdf7f2 | 815 | ceph_assert(is_dir()); |
7c673cae FG |
816 | |
817 | // have it? | |
818 | CDir *dir = get_dirfrag(fg); | |
819 | if (!dir) { | |
820 | // create it. | |
11fdf7f2 | 821 | ceph_assert(is_auth() || mdcache->mds->is_any_replay()); |
7c673cae FG |
822 | dir = new CDir(this, fg, mdcache, is_auth()); |
823 | add_dirfrag(dir); | |
824 | } | |
825 | return dir; | |
826 | } | |
827 | ||
828 | CDir *CInode::add_dirfrag(CDir *dir) | |
829 | { | |
11fdf7f2 TL |
830 | auto em = dirfrags.emplace(std::piecewise_construct, std::forward_as_tuple(dir->dirfrag().frag), std::forward_as_tuple(dir)); |
831 | ceph_assert(em.second); | |
7c673cae FG |
832 | |
833 | if (stickydir_ref > 0) { | |
834 | dir->state_set(CDir::STATE_STICKY); | |
835 | dir->get(CDir::PIN_STICKY); | |
836 | } | |
837 | ||
f6b5b4d7 | 838 | maybe_pin(); |
7c673cae FG |
839 | |
840 | return dir; | |
841 | } | |
842 | ||
843 | void CInode::close_dirfrag(frag_t fg) | |
844 | { | |
11fdf7f2 TL |
845 | dout(14) << __func__ << " " << fg << dendl; |
846 | ceph_assert(dirfrags.count(fg)); | |
7c673cae FG |
847 | |
848 | CDir *dir = dirfrags[fg]; | |
849 | dir->remove_null_dentries(); | |
850 | ||
851 | // clear dirty flag | |
852 | if (dir->is_dirty()) | |
853 | dir->mark_clean(); | |
854 | ||
855 | if (stickydir_ref > 0) { | |
856 | dir->state_clear(CDir::STATE_STICKY); | |
857 | dir->put(CDir::PIN_STICKY); | |
858 | } | |
1adf2230 AA |
859 | |
860 | if (dir->is_subtree_root()) | |
861 | num_subtree_roots--; | |
7c673cae FG |
862 | |
863 | // dump any remaining dentries, for debugging purposes | |
94b18763 FG |
864 | for (const auto &p : dir->items) |
865 | dout(14) << __func__ << " LEFTOVER dn " << *p.second << dendl; | |
7c673cae | 866 | |
11fdf7f2 | 867 | ceph_assert(dir->get_num_ref() == 0); |
7c673cae FG |
868 | delete dir; |
869 | dirfrags.erase(fg); | |
870 | } | |
871 | ||
872 | void CInode::close_dirfrags() | |
873 | { | |
874 | while (!dirfrags.empty()) | |
875 | close_dirfrag(dirfrags.begin()->first); | |
876 | } | |
877 | ||
878 | bool CInode::has_subtree_root_dirfrag(int auth) | |
879 | { | |
1adf2230 AA |
880 | if (num_subtree_roots > 0) { |
881 | if (auth == -1) | |
7c673cae | 882 | return true; |
1adf2230 AA |
883 | for (const auto &p : dirfrags) { |
884 | if (p.second->is_subtree_root() && | |
885 | p.second->dir_auth.first == auth) | |
886 | return true; | |
887 | } | |
94b18763 | 888 | } |
7c673cae FG |
889 | return false; |
890 | } | |
891 | ||
892 | bool CInode::has_subtree_or_exporting_dirfrag() | |
893 | { | |
1adf2230 AA |
894 | if (num_subtree_roots > 0 || num_exporting_dirs > 0) |
895 | return true; | |
7c673cae FG |
896 | return false; |
897 | } | |
898 | ||
899 | void CInode::get_stickydirs() | |
900 | { | |
901 | if (stickydir_ref == 0) { | |
902 | get(PIN_STICKYDIRS); | |
94b18763 FG |
903 | for (const auto &p : dirfrags) { |
904 | p.second->state_set(CDir::STATE_STICKY); | |
905 | p.second->get(CDir::PIN_STICKY); | |
7c673cae FG |
906 | } |
907 | } | |
908 | stickydir_ref++; | |
909 | } | |
910 | ||
911 | void CInode::put_stickydirs() | |
912 | { | |
11fdf7f2 | 913 | ceph_assert(stickydir_ref > 0); |
7c673cae FG |
914 | stickydir_ref--; |
915 | if (stickydir_ref == 0) { | |
916 | put(PIN_STICKYDIRS); | |
94b18763 FG |
917 | for (const auto &p : dirfrags) { |
918 | p.second->state_clear(CDir::STATE_STICKY); | |
919 | p.second->put(CDir::PIN_STICKY); | |
7c673cae FG |
920 | } |
921 | } | |
922 | } | |
923 | ||
924 | ||
925 | ||
926 | ||
927 | ||
928 | // pins | |
929 | ||
930 | void CInode::first_get() | |
931 | { | |
932 | // pin my dentry? | |
933 | if (parent) | |
934 | parent->get(CDentry::PIN_INODEPIN); | |
935 | } | |
936 | ||
937 | void CInode::last_put() | |
938 | { | |
939 | // unpin my dentry? | |
940 | if (parent) | |
941 | parent->put(CDentry::PIN_INODEPIN); | |
942 | } | |
943 | ||
944 | void CInode::_put() | |
945 | { | |
946 | if (get_num_ref() == (int)is_dirty() + (int)is_dirty_parent()) | |
947 | mdcache->maybe_eval_stray(this, true); | |
948 | } | |
949 | ||
950 | void CInode::add_remote_parent(CDentry *p) | |
951 | { | |
952 | if (remote_parents.empty()) | |
953 | get(PIN_REMOTEPARENT); | |
954 | remote_parents.insert(p); | |
955 | } | |
956 | void CInode::remove_remote_parent(CDentry *p) | |
957 | { | |
958 | remote_parents.erase(p); | |
959 | if (remote_parents.empty()) | |
960 | put(PIN_REMOTEPARENT); | |
961 | } | |
962 | ||
963 | ||
964 | ||
965 | ||
966 | CDir *CInode::get_parent_dir() | |
967 | { | |
968 | if (parent) | |
969 | return parent->dir; | |
970 | return NULL; | |
971 | } | |
972 | CDir *CInode::get_projected_parent_dir() | |
973 | { | |
974 | CDentry *p = get_projected_parent_dn(); | |
975 | if (p) | |
976 | return p->dir; | |
977 | return NULL; | |
978 | } | |
979 | CInode *CInode::get_parent_inode() | |
980 | { | |
981 | if (parent) | |
982 | return parent->dir->inode; | |
983 | return NULL; | |
984 | } | |
985 | ||
11fdf7f2 | 986 | bool CInode::is_ancestor_of(const CInode *other) const |
7c673cae FG |
987 | { |
988 | while (other) { | |
989 | if (other == this) | |
990 | return true; | |
11fdf7f2 TL |
991 | const CDentry *pdn = other->get_oldest_parent_dn(); |
992 | if (!pdn) { | |
993 | ceph_assert(other->is_base()); | |
7c673cae | 994 | break; |
11fdf7f2 TL |
995 | } |
996 | other = pdn->get_dir()->get_inode(); | |
997 | } | |
998 | return false; | |
999 | } | |
1000 | ||
1001 | bool CInode::is_projected_ancestor_of(const CInode *other) const | |
1002 | { | |
1003 | while (other) { | |
1004 | if (other == this) | |
1005 | return true; | |
1006 | const CDentry *pdn = other->get_projected_parent_dn(); | |
1007 | if (!pdn) { | |
1008 | ceph_assert(other->is_base()); | |
1009 | break; | |
1010 | } | |
1011 | other = pdn->get_dir()->get_inode(); | |
7c673cae FG |
1012 | } |
1013 | return false; | |
1014 | } | |
1015 | ||
1016 | /* | |
1017 | * Because a non-directory inode may have multiple links, the use_parent | |
1018 | * argument allows selecting which parent to use for path construction. This | |
1019 | * argument is only meaningful for the final component (i.e. the first of the | |
1020 | * nested calls) because directories cannot have multiple hard links. If | |
1021 | * use_parent is NULL and projected is true, the primary parent's projected | |
1022 | * inode is used all the way up the path chain. Otherwise the primary parent | |
1023 | * stable inode is used. | |
1024 | */ | |
1025 | void CInode::make_path_string(string& s, bool projected, const CDentry *use_parent) const | |
1026 | { | |
1027 | if (!use_parent) { | |
1028 | use_parent = projected ? get_projected_parent_dn() : parent; | |
1029 | } | |
1030 | ||
1031 | if (use_parent) { | |
1032 | use_parent->make_path_string(s, projected); | |
1033 | } else if (is_root()) { | |
1034 | s = ""; | |
1035 | } else if (is_mdsdir()) { | |
1036 | char t[40]; | |
1037 | uint64_t eino(ino()); | |
1038 | eino -= MDS_INO_MDSDIR_OFFSET; | |
1039 | snprintf(t, sizeof(t), "~mds%" PRId64, eino); | |
1040 | s = t; | |
1041 | } else { | |
1042 | char n[40]; | |
1043 | uint64_t eino(ino()); | |
1044 | snprintf(n, sizeof(n), "#%" PRIx64, eino); | |
1045 | s += n; | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | void CInode::make_path(filepath& fp, bool projected) const | |
1050 | { | |
1051 | const CDentry *use_parent = projected ? get_projected_parent_dn() : parent; | |
1052 | if (use_parent) { | |
11fdf7f2 | 1053 | ceph_assert(!is_base()); |
7c673cae FG |
1054 | use_parent->make_path(fp, projected); |
1055 | } else { | |
1056 | fp = filepath(ino()); | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | void CInode::name_stray_dentry(string& dname) | |
1061 | { | |
1062 | char s[20]; | |
1063 | snprintf(s, sizeof(s), "%llx", (unsigned long long)inode.ino.val); | |
1064 | dname = s; | |
1065 | } | |
1066 | ||
1067 | version_t CInode::pre_dirty() | |
1068 | { | |
1069 | version_t pv; | |
1070 | CDentry* _cdentry = get_projected_parent_dn(); | |
1071 | if (_cdentry) { | |
1072 | pv = _cdentry->pre_dirty(get_projected_version()); | |
1073 | dout(10) << "pre_dirty " << pv << " (current v " << inode.version << ")" << dendl; | |
1074 | } else { | |
11fdf7f2 | 1075 | ceph_assert(is_base()); |
7c673cae FG |
1076 | pv = get_projected_version() + 1; |
1077 | } | |
94b18763 | 1078 | // force update backtrace for old format inode (see mempool_inode::decode) |
7c673cae | 1079 | if (inode.backtrace_version == 0 && !projected_nodes.empty()) { |
94b18763 FG |
1080 | mempool_inode &pi = projected_nodes.back().inode; |
1081 | if (pi.backtrace_version == 0) | |
1082 | pi.update_backtrace(pv); | |
7c673cae FG |
1083 | } |
1084 | return pv; | |
1085 | } | |
1086 | ||
1087 | void CInode::_mark_dirty(LogSegment *ls) | |
1088 | { | |
1089 | if (!state_test(STATE_DIRTY)) { | |
1090 | state_set(STATE_DIRTY); | |
1091 | get(PIN_DIRTY); | |
11fdf7f2 | 1092 | ceph_assert(ls); |
7c673cae FG |
1093 | } |
1094 | ||
1095 | // move myself to this segment's dirty list | |
1096 | if (ls) | |
1097 | ls->dirty_inodes.push_back(&item_dirty); | |
1098 | } | |
1099 | ||
1100 | void CInode::mark_dirty(version_t pv, LogSegment *ls) { | |
1101 | ||
11fdf7f2 | 1102 | dout(10) << __func__ << " " << *this << dendl; |
7c673cae FG |
1103 | |
1104 | /* | |
1105 | NOTE: I may already be dirty, but this fn _still_ needs to be called so that | |
1106 | the directory is (perhaps newly) dirtied, and so that parent_dir_version is | |
1107 | updated below. | |
1108 | */ | |
1109 | ||
1110 | // only auth can get dirty. "dirty" async data in replicas is relative to | |
1111 | // filelock state, not the dirty flag. | |
11fdf7f2 | 1112 | ceph_assert(is_auth()); |
7c673cae FG |
1113 | |
1114 | // touch my private version | |
11fdf7f2 | 1115 | ceph_assert(inode.version < pv); |
7c673cae FG |
1116 | inode.version = pv; |
1117 | _mark_dirty(ls); | |
1118 | ||
1119 | // mark dentry too | |
1120 | if (parent) | |
1121 | parent->mark_dirty(pv, ls); | |
1122 | } | |
1123 | ||
1124 | ||
1125 | void CInode::mark_clean() | |
1126 | { | |
11fdf7f2 | 1127 | dout(10) << __func__ << " " << *this << dendl; |
7c673cae FG |
1128 | if (state_test(STATE_DIRTY)) { |
1129 | state_clear(STATE_DIRTY); | |
1130 | put(PIN_DIRTY); | |
1131 | ||
1132 | // remove myself from ls dirty list | |
1133 | item_dirty.remove_myself(); | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | ||
1138 | // -------------- | |
1139 | // per-inode storage | |
1140 | // (currently for root inode only) | |
1141 | ||
1142 | struct C_IO_Inode_Stored : public CInodeIOContext { | |
1143 | version_t version; | |
1144 | Context *fin; | |
1145 | C_IO_Inode_Stored(CInode *i, version_t v, Context *f) : CInodeIOContext(i), version(v), fin(f) {} | |
1146 | void finish(int r) override { | |
1147 | in->_stored(r, version, fin); | |
1148 | } | |
91327a77 AA |
1149 | void print(ostream& out) const override { |
1150 | out << "inode_store(" << in->ino() << ")"; | |
1151 | } | |
7c673cae FG |
1152 | }; |
1153 | ||
11fdf7f2 | 1154 | object_t InodeStoreBase::get_object_name(inodeno_t ino, frag_t fg, std::string_view suffix) |
7c673cae FG |
1155 | { |
1156 | char n[60]; | |
11fdf7f2 TL |
1157 | snprintf(n, sizeof(n), "%llx.%08llx", (long long unsigned)ino, (long long unsigned)fg); |
1158 | ceph_assert(strlen(n) + suffix.size() < sizeof n); | |
1159 | strncat(n, suffix.data(), suffix.size()); | |
7c673cae FG |
1160 | return object_t(n); |
1161 | } | |
1162 | ||
11fdf7f2 | 1163 | void CInode::store(MDSContext *fin) |
7c673cae | 1164 | { |
11fdf7f2 TL |
1165 | dout(10) << __func__ << " " << get_version() << dendl; |
1166 | ceph_assert(is_base()); | |
7c673cae FG |
1167 | |
1168 | if (snaprealm) | |
1169 | purge_stale_snap_data(snaprealm->get_snaps()); | |
1170 | ||
1171 | // encode | |
1172 | bufferlist bl; | |
1173 | string magic = CEPH_FS_ONDISK_MAGIC; | |
11fdf7f2 TL |
1174 | using ceph::encode; |
1175 | encode(magic, bl); | |
7c673cae FG |
1176 | encode_store(bl, mdcache->mds->mdsmap->get_up_features()); |
1177 | ||
1178 | // write it. | |
1179 | SnapContext snapc; | |
1180 | ObjectOperation m; | |
1181 | m.write_full(bl); | |
1182 | ||
1183 | object_t oid = CInode::get_object_name(ino(), frag_t(), ".inode"); | |
1184 | object_locator_t oloc(mdcache->mds->mdsmap->get_metadata_pool()); | |
1185 | ||
1186 | Context *newfin = | |
1187 | new C_OnFinisher(new C_IO_Inode_Stored(this, get_version(), fin), | |
1188 | mdcache->mds->finisher); | |
1189 | mdcache->mds->objecter->mutate(oid, oloc, m, snapc, | |
1190 | ceph::real_clock::now(), 0, | |
1191 | newfin); | |
1192 | } | |
1193 | ||
1194 | void CInode::_stored(int r, version_t v, Context *fin) | |
1195 | { | |
1196 | if (r < 0) { | |
1197 | dout(1) << "store error " << r << " v " << v << " on " << *this << dendl; | |
d2e6a577 FG |
1198 | mdcache->mds->clog->error() << "failed to store inode " << ino() |
1199 | << " object: " << cpp_strerror(r); | |
7c673cae FG |
1200 | mdcache->mds->handle_write_error(r); |
1201 | fin->complete(r); | |
1202 | return; | |
1203 | } | |
1204 | ||
11fdf7f2 | 1205 | dout(10) << __func__ << " " << v << " on " << *this << dendl; |
7c673cae FG |
1206 | if (v == get_projected_version()) |
1207 | mark_clean(); | |
1208 | ||
1209 | fin->complete(0); | |
1210 | } | |
1211 | ||
11fdf7f2 | 1212 | void CInode::flush(MDSContext *fin) |
7c673cae | 1213 | { |
11fdf7f2 TL |
1214 | dout(10) << __func__ << " " << *this << dendl; |
1215 | ceph_assert(is_auth() && can_auth_pin()); | |
7c673cae FG |
1216 | |
1217 | MDSGatherBuilder gather(g_ceph_context); | |
1218 | ||
1219 | if (is_dirty_parent()) { | |
1220 | store_backtrace(gather.new_sub()); | |
1221 | } | |
1222 | if (is_dirty()) { | |
1223 | if (is_base()) { | |
1224 | store(gather.new_sub()); | |
1225 | } else { | |
1226 | parent->dir->commit(0, gather.new_sub()); | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | if (gather.has_subs()) { | |
1231 | gather.set_finisher(fin); | |
1232 | gather.activate(); | |
1233 | } else { | |
1234 | fin->complete(0); | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | struct C_IO_Inode_Fetched : public CInodeIOContext { | |
1239 | bufferlist bl, bl2; | |
1240 | Context *fin; | |
1241 | C_IO_Inode_Fetched(CInode *i, Context *f) : CInodeIOContext(i), fin(f) {} | |
1242 | void finish(int r) override { | |
1243 | // Ignore 'r', because we fetch from two places, so r is usually ENOENT | |
1244 | in->_fetched(bl, bl2, fin); | |
1245 | } | |
91327a77 AA |
1246 | void print(ostream& out) const override { |
1247 | out << "inode_fetch(" << in->ino() << ")"; | |
1248 | } | |
7c673cae FG |
1249 | }; |
1250 | ||
11fdf7f2 | 1251 | void CInode::fetch(MDSContext *fin) |
7c673cae | 1252 | { |
11fdf7f2 | 1253 | dout(10) << __func__ << dendl; |
7c673cae FG |
1254 | |
1255 | C_IO_Inode_Fetched *c = new C_IO_Inode_Fetched(this, fin); | |
1256 | C_GatherBuilder gather(g_ceph_context, new C_OnFinisher(c, mdcache->mds->finisher)); | |
1257 | ||
1258 | object_t oid = CInode::get_object_name(ino(), frag_t(), ""); | |
1259 | object_locator_t oloc(mdcache->mds->mdsmap->get_metadata_pool()); | |
1260 | ||
1261 | // Old on-disk format: inode stored in xattr of a dirfrag | |
1262 | ObjectOperation rd; | |
1263 | rd.getxattr("inode", &c->bl, NULL); | |
1264 | mdcache->mds->objecter->read(oid, oloc, rd, CEPH_NOSNAP, (bufferlist*)NULL, 0, gather.new_sub()); | |
1265 | ||
1266 | // Current on-disk format: inode stored in a .inode object | |
1267 | object_t oid2 = CInode::get_object_name(ino(), frag_t(), ".inode"); | |
1268 | mdcache->mds->objecter->read(oid2, oloc, 0, 0, CEPH_NOSNAP, &c->bl2, 0, gather.new_sub()); | |
1269 | ||
1270 | gather.activate(); | |
1271 | } | |
1272 | ||
1273 | void CInode::_fetched(bufferlist& bl, bufferlist& bl2, Context *fin) | |
1274 | { | |
11fdf7f2 TL |
1275 | dout(10) << __func__ << " got " << bl.length() << " and " << bl2.length() << dendl; |
1276 | bufferlist::const_iterator p; | |
7c673cae | 1277 | if (bl2.length()) { |
11fdf7f2 | 1278 | p = bl2.cbegin(); |
7c673cae | 1279 | } else if (bl.length()) { |
11fdf7f2 | 1280 | p = bl.cbegin(); |
7c673cae | 1281 | } else { |
d2e6a577 | 1282 | derr << "No data while reading inode " << ino() << dendl; |
7c673cae FG |
1283 | fin->complete(-ENOENT); |
1284 | return; | |
1285 | } | |
1286 | ||
11fdf7f2 | 1287 | using ceph::decode; |
7c673cae FG |
1288 | // Attempt decode |
1289 | try { | |
1290 | string magic; | |
11fdf7f2 | 1291 | decode(magic, p); |
7c673cae FG |
1292 | dout(10) << " magic is '" << magic << "' (expecting '" |
1293 | << CEPH_FS_ONDISK_MAGIC << "')" << dendl; | |
1294 | if (magic != CEPH_FS_ONDISK_MAGIC) { | |
1295 | dout(0) << "on disk magic '" << magic << "' != my magic '" << CEPH_FS_ONDISK_MAGIC | |
1296 | << "'" << dendl; | |
1297 | fin->complete(-EINVAL); | |
1298 | } else { | |
1299 | decode_store(p); | |
1300 | dout(10) << "_fetched " << *this << dendl; | |
1301 | fin->complete(0); | |
1302 | } | |
1303 | } catch (buffer::error &err) { | |
d2e6a577 | 1304 | derr << "Corrupt inode " << ino() << ": " << err << dendl; |
7c673cae FG |
1305 | fin->complete(-EINVAL); |
1306 | return; | |
1307 | } | |
1308 | } | |
1309 | ||
1310 | void CInode::build_backtrace(int64_t pool, inode_backtrace_t& bt) | |
1311 | { | |
1312 | bt.ino = inode.ino; | |
1313 | bt.ancestors.clear(); | |
1314 | bt.pool = pool; | |
1315 | ||
1316 | CInode *in = this; | |
1317 | CDentry *pdn = get_parent_dn(); | |
1318 | while (pdn) { | |
1319 | CInode *diri = pdn->get_dir()->get_inode(); | |
94b18763 | 1320 | bt.ancestors.push_back(inode_backpointer_t(diri->ino(), pdn->get_name(), in->inode.version)); |
7c673cae FG |
1321 | in = diri; |
1322 | pdn = in->get_parent_dn(); | |
1323 | } | |
94b18763 | 1324 | for (auto &p : inode.old_pools) { |
7c673cae | 1325 | // don't add our own pool id to old_pools to avoid looping (e.g. setlayout 0, 1, 0) |
94b18763 FG |
1326 | if (p != pool) |
1327 | bt.old_pools.insert(p); | |
7c673cae FG |
1328 | } |
1329 | } | |
1330 | ||
1331 | struct C_IO_Inode_StoredBacktrace : public CInodeIOContext { | |
1332 | version_t version; | |
1333 | Context *fin; | |
1334 | C_IO_Inode_StoredBacktrace(CInode *i, version_t v, Context *f) : CInodeIOContext(i), version(v), fin(f) {} | |
1335 | void finish(int r) override { | |
1336 | in->_stored_backtrace(r, version, fin); | |
1337 | } | |
91327a77 AA |
1338 | void print(ostream& out) const override { |
1339 | out << "backtrace_store(" << in->ino() << ")"; | |
1340 | } | |
7c673cae FG |
1341 | }; |
1342 | ||
11fdf7f2 | 1343 | void CInode::store_backtrace(MDSContext *fin, int op_prio) |
7c673cae | 1344 | { |
11fdf7f2 TL |
1345 | dout(10) << __func__ << " on " << *this << dendl; |
1346 | ceph_assert(is_dirty_parent()); | |
7c673cae FG |
1347 | |
1348 | if (op_prio < 0) | |
1349 | op_prio = CEPH_MSG_PRIO_DEFAULT; | |
1350 | ||
1351 | auth_pin(this); | |
1352 | ||
1353 | const int64_t pool = get_backtrace_pool(); | |
1354 | inode_backtrace_t bt; | |
1355 | build_backtrace(pool, bt); | |
1356 | bufferlist parent_bl; | |
11fdf7f2 TL |
1357 | using ceph::encode; |
1358 | encode(bt, parent_bl); | |
7c673cae FG |
1359 | |
1360 | ObjectOperation op; | |
1361 | op.priority = op_prio; | |
1362 | op.create(false); | |
1363 | op.setxattr("parent", parent_bl); | |
1364 | ||
1365 | bufferlist layout_bl; | |
11fdf7f2 | 1366 | encode(inode.layout, layout_bl, mdcache->mds->mdsmap->get_up_features()); |
7c673cae FG |
1367 | op.setxattr("layout", layout_bl); |
1368 | ||
1369 | SnapContext snapc; | |
1370 | object_t oid = get_object_name(ino(), frag_t(), ""); | |
1371 | object_locator_t oloc(pool); | |
1372 | Context *fin2 = new C_OnFinisher( | |
1373 | new C_IO_Inode_StoredBacktrace(this, inode.backtrace_version, fin), | |
1374 | mdcache->mds->finisher); | |
1375 | ||
1376 | if (!state_test(STATE_DIRTYPOOL) || inode.old_pools.empty()) { | |
1377 | dout(20) << __func__ << ": no dirtypool or no old pools" << dendl; | |
1378 | mdcache->mds->objecter->mutate(oid, oloc, op, snapc, | |
1379 | ceph::real_clock::now(), | |
1380 | 0, fin2); | |
1381 | return; | |
1382 | } | |
1383 | ||
1384 | C_GatherBuilder gather(g_ceph_context, fin2); | |
1385 | mdcache->mds->objecter->mutate(oid, oloc, op, snapc, | |
1386 | ceph::real_clock::now(), | |
1387 | 0, gather.new_sub()); | |
1388 | ||
1389 | // In the case where DIRTYPOOL is set, we update all old pools backtraces | |
1390 | // such that anyone reading them will see the new pool ID in | |
1391 | // inode_backtrace_t::pool and go read everything else from there. | |
94b18763 FG |
1392 | for (const auto &p : inode.old_pools) { |
1393 | if (p == pool) | |
7c673cae FG |
1394 | continue; |
1395 | ||
94b18763 | 1396 | dout(20) << __func__ << ": updating old pool " << p << dendl; |
7c673cae FG |
1397 | |
1398 | ObjectOperation op; | |
1399 | op.priority = op_prio; | |
1400 | op.create(false); | |
1401 | op.setxattr("parent", parent_bl); | |
1402 | ||
94b18763 | 1403 | object_locator_t oloc(p); |
7c673cae FG |
1404 | mdcache->mds->objecter->mutate(oid, oloc, op, snapc, |
1405 | ceph::real_clock::now(), | |
1406 | 0, gather.new_sub()); | |
1407 | } | |
1408 | gather.activate(); | |
1409 | } | |
1410 | ||
1411 | void CInode::_stored_backtrace(int r, version_t v, Context *fin) | |
1412 | { | |
1413 | if (r == -ENOENT) { | |
1414 | const int64_t pool = get_backtrace_pool(); | |
1415 | bool exists = mdcache->mds->objecter->with_osdmap( | |
1416 | [pool](const OSDMap &osd_map) { | |
1417 | return osd_map.have_pg_pool(pool); | |
1418 | }); | |
1419 | ||
1420 | // This ENOENT is because the pool doesn't exist (the user deleted it | |
1421 | // out from under us), so the backtrace can never be written, so pretend | |
1422 | // to succeed so that the user can proceed to e.g. delete the file. | |
1423 | if (!exists) { | |
11fdf7f2 | 1424 | dout(4) << __func__ << " got ENOENT: a data pool was deleted " |
7c673cae FG |
1425 | "beneath us!" << dendl; |
1426 | r = 0; | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | if (r < 0) { | |
1431 | dout(1) << "store backtrace error " << r << " v " << v << dendl; | |
1432 | mdcache->mds->clog->error() << "failed to store backtrace on ino " | |
1433 | << ino() << " object" | |
1434 | << ", pool " << get_backtrace_pool() | |
1435 | << ", errno " << r; | |
1436 | mdcache->mds->handle_write_error(r); | |
1437 | if (fin) | |
1438 | fin->complete(r); | |
1439 | return; | |
1440 | } | |
1441 | ||
11fdf7f2 | 1442 | dout(10) << __func__ << " v " << v << dendl; |
7c673cae FG |
1443 | |
1444 | auth_unpin(this); | |
1445 | if (v == inode.backtrace_version) | |
1446 | clear_dirty_parent(); | |
1447 | if (fin) | |
1448 | fin->complete(0); | |
1449 | } | |
1450 | ||
1451 | void CInode::fetch_backtrace(Context *fin, bufferlist *backtrace) | |
1452 | { | |
1453 | mdcache->fetch_backtrace(inode.ino, get_backtrace_pool(), *backtrace, fin); | |
1454 | } | |
1455 | ||
28e407b8 | 1456 | void CInode::mark_dirty_parent(LogSegment *ls, bool dirty_pool) |
7c673cae FG |
1457 | { |
1458 | if (!state_test(STATE_DIRTYPARENT)) { | |
11fdf7f2 | 1459 | dout(10) << __func__ << dendl; |
7c673cae FG |
1460 | state_set(STATE_DIRTYPARENT); |
1461 | get(PIN_DIRTYPARENT); | |
11fdf7f2 | 1462 | ceph_assert(ls); |
7c673cae FG |
1463 | } |
1464 | if (dirty_pool) | |
1465 | state_set(STATE_DIRTYPOOL); | |
1466 | if (ls) | |
1467 | ls->dirty_parent_inodes.push_back(&item_dirty_parent); | |
1468 | } | |
1469 | ||
1470 | void CInode::clear_dirty_parent() | |
1471 | { | |
1472 | if (state_test(STATE_DIRTYPARENT)) { | |
11fdf7f2 | 1473 | dout(10) << __func__ << dendl; |
7c673cae FG |
1474 | state_clear(STATE_DIRTYPARENT); |
1475 | state_clear(STATE_DIRTYPOOL); | |
1476 | put(PIN_DIRTYPARENT); | |
1477 | item_dirty_parent.remove_myself(); | |
1478 | } | |
1479 | } | |
1480 | ||
1481 | void CInode::verify_diri_backtrace(bufferlist &bl, int err) | |
1482 | { | |
1483 | if (is_base() || is_dirty_parent() || !is_auth()) | |
1484 | return; | |
1485 | ||
11fdf7f2 | 1486 | dout(10) << __func__ << dendl; |
7c673cae FG |
1487 | |
1488 | if (err == 0) { | |
1489 | inode_backtrace_t backtrace; | |
11fdf7f2 TL |
1490 | using ceph::decode; |
1491 | decode(backtrace, bl); | |
7c673cae FG |
1492 | CDentry *pdn = get_parent_dn(); |
1493 | if (backtrace.ancestors.empty() || | |
94b18763 | 1494 | backtrace.ancestors[0].dname != pdn->get_name() || |
7c673cae FG |
1495 | backtrace.ancestors[0].dirino != pdn->get_dir()->ino()) |
1496 | err = -EINVAL; | |
1497 | } | |
1498 | ||
1499 | if (err) { | |
1500 | MDSRank *mds = mdcache->mds; | |
d2e6a577 | 1501 | mds->clog->error() << "bad backtrace on directory inode " << ino(); |
11fdf7f2 | 1502 | ceph_assert(!"bad backtrace" == (g_conf()->mds_verify_backtrace > 1)); |
7c673cae | 1503 | |
28e407b8 | 1504 | mark_dirty_parent(mds->mdlog->get_current_segment(), false); |
7c673cae FG |
1505 | mds->mdlog->flush(); |
1506 | } | |
1507 | } | |
1508 | ||
1509 | // ------------------ | |
1510 | // parent dir | |
1511 | ||
1512 | ||
1513 | void InodeStoreBase::encode_bare(bufferlist &bl, uint64_t features, | |
1514 | const bufferlist *snap_blob) const | |
1515 | { | |
11fdf7f2 TL |
1516 | using ceph::encode; |
1517 | encode(inode, bl, features); | |
7c673cae | 1518 | if (is_symlink()) |
11fdf7f2 TL |
1519 | encode(symlink, bl); |
1520 | encode(dirfragtree, bl); | |
1521 | encode(xattrs, bl); | |
7c673cae | 1522 | if (snap_blob) |
11fdf7f2 | 1523 | encode(*snap_blob, bl); |
7c673cae | 1524 | else |
11fdf7f2 TL |
1525 | encode(bufferlist(), bl); |
1526 | encode(old_inodes, bl, features); | |
1527 | encode(oldest_snap, bl); | |
1528 | encode(damage_flags, bl); | |
7c673cae FG |
1529 | } |
1530 | ||
1531 | void InodeStoreBase::encode(bufferlist &bl, uint64_t features, | |
1532 | const bufferlist *snap_blob) const | |
1533 | { | |
1534 | ENCODE_START(6, 4, bl); | |
1535 | encode_bare(bl, features, snap_blob); | |
1536 | ENCODE_FINISH(bl); | |
1537 | } | |
1538 | ||
1539 | void CInode::encode_store(bufferlist& bl, uint64_t features) | |
1540 | { | |
1541 | bufferlist snap_blob; | |
1542 | encode_snap_blob(snap_blob); | |
1543 | InodeStoreBase::encode(bl, mdcache->mds->mdsmap->get_up_features(), | |
1544 | &snap_blob); | |
1545 | } | |
1546 | ||
11fdf7f2 | 1547 | void InodeStoreBase::decode_bare(bufferlist::const_iterator &bl, |
7c673cae FG |
1548 | bufferlist& snap_blob, __u8 struct_v) |
1549 | { | |
11fdf7f2 TL |
1550 | using ceph::decode; |
1551 | decode(inode, bl); | |
94b18763 FG |
1552 | if (is_symlink()) { |
1553 | std::string tmp; | |
11fdf7f2 TL |
1554 | decode(tmp, bl); |
1555 | symlink = std::string_view(tmp); | |
94b18763 | 1556 | } |
11fdf7f2 | 1557 | decode(dirfragtree, bl); |
e306af50 | 1558 | decode_noshare(xattrs, bl); |
11fdf7f2 | 1559 | decode(snap_blob, bl); |
7c673cae | 1560 | |
11fdf7f2 | 1561 | decode(old_inodes, bl); |
7c673cae FG |
1562 | if (struct_v == 2 && inode.is_dir()) { |
1563 | bool default_layout_exists; | |
11fdf7f2 | 1564 | decode(default_layout_exists, bl); |
7c673cae | 1565 | if (default_layout_exists) { |
11fdf7f2 TL |
1566 | decode(struct_v, bl); // this was a default_file_layout |
1567 | decode(inode.layout, bl); // but we only care about the layout portion | |
7c673cae FG |
1568 | } |
1569 | } | |
1570 | ||
1571 | if (struct_v >= 5) { | |
1572 | // InodeStore is embedded in dentries without proper versioning, so | |
1573 | // we consume up to the end of the buffer | |
1574 | if (!bl.end()) { | |
11fdf7f2 | 1575 | decode(oldest_snap, bl); |
7c673cae FG |
1576 | } |
1577 | ||
1578 | if (!bl.end()) { | |
11fdf7f2 | 1579 | decode(damage_flags, bl); |
7c673cae FG |
1580 | } |
1581 | } | |
1582 | } | |
1583 | ||
1584 | ||
11fdf7f2 | 1585 | void InodeStoreBase::decode(bufferlist::const_iterator &bl, bufferlist& snap_blob) |
7c673cae FG |
1586 | { |
1587 | DECODE_START_LEGACY_COMPAT_LEN(5, 4, 4, bl); | |
1588 | decode_bare(bl, snap_blob, struct_v); | |
1589 | DECODE_FINISH(bl); | |
1590 | } | |
1591 | ||
11fdf7f2 | 1592 | void CInode::decode_store(bufferlist::const_iterator& bl) |
7c673cae FG |
1593 | { |
1594 | bufferlist snap_blob; | |
1595 | InodeStoreBase::decode(bl, snap_blob); | |
1596 | decode_snap_blob(snap_blob); | |
1597 | } | |
1598 | ||
1599 | // ------------------ | |
1600 | // locking | |
1601 | ||
9f95a23c TL |
1602 | SimpleLock* CInode::get_lock(int type) |
1603 | { | |
1604 | switch (type) { | |
1605 | case CEPH_LOCK_IVERSION: return &versionlock; | |
1606 | case CEPH_LOCK_IFILE: return &filelock; | |
1607 | case CEPH_LOCK_IAUTH: return &authlock; | |
1608 | case CEPH_LOCK_ILINK: return &linklock; | |
1609 | case CEPH_LOCK_IDFT: return &dirfragtreelock; | |
1610 | case CEPH_LOCK_IXATTR: return &xattrlock; | |
1611 | case CEPH_LOCK_ISNAP: return &snaplock; | |
1612 | case CEPH_LOCK_INEST: return &nestlock; | |
1613 | case CEPH_LOCK_IFLOCK: return &flocklock; | |
1614 | case CEPH_LOCK_IPOLICY: return &policylock; | |
1615 | } | |
1616 | return 0; | |
1617 | } | |
1618 | ||
7c673cae FG |
1619 | void CInode::set_object_info(MDSCacheObjectInfo &info) |
1620 | { | |
1621 | info.ino = ino(); | |
1622 | info.snapid = last; | |
1623 | } | |
1624 | ||
9f95a23c | 1625 | void CInode::encode_lock_iauth(bufferlist& bl) |
7c673cae | 1626 | { |
9f95a23c TL |
1627 | ENCODE_START(1, 1, bl); |
1628 | encode(inode.version, bl); | |
1629 | encode(inode.ctime, bl); | |
1630 | encode(inode.mode, bl); | |
1631 | encode(inode.uid, bl); | |
1632 | encode(inode.gid, bl); | |
1633 | ENCODE_FINISH(bl); | |
1634 | } | |
7c673cae | 1635 | |
9f95a23c TL |
1636 | void CInode::decode_lock_iauth(bufferlist::const_iterator& p) |
1637 | { | |
1638 | DECODE_START(1, p); | |
1639 | decode(inode.version, p); | |
1640 | utime_t tm; | |
1641 | decode(tm, p); | |
1642 | if (inode.ctime < tm) inode.ctime = tm; | |
1643 | decode(inode.mode, p); | |
1644 | decode(inode.uid, p); | |
1645 | decode(inode.gid, p); | |
1646 | DECODE_FINISH(p); | |
1647 | } | |
1648 | ||
1649 | void CInode::encode_lock_ilink(bufferlist& bl) | |
1650 | { | |
1651 | ENCODE_START(1, 1, bl); | |
1652 | encode(inode.version, bl); | |
1653 | encode(inode.ctime, bl); | |
1654 | encode(inode.nlink, bl); | |
1655 | ENCODE_FINISH(bl); | |
1656 | } | |
1657 | ||
1658 | void CInode::decode_lock_ilink(bufferlist::const_iterator& p) | |
1659 | { | |
1660 | DECODE_START(1, p); | |
1661 | decode(inode.version, p); | |
1662 | utime_t tm; | |
1663 | decode(tm, p); | |
1664 | if (inode.ctime < tm) inode.ctime = tm; | |
1665 | decode(inode.nlink, p); | |
1666 | DECODE_FINISH(p); | |
1667 | } | |
1668 | ||
1669 | void CInode::encode_lock_idft(bufferlist& bl) | |
1670 | { | |
1671 | ENCODE_START(1, 1, bl); | |
1672 | if (is_auth()) { | |
11fdf7f2 | 1673 | encode(inode.version, bl); |
9f95a23c TL |
1674 | } else { |
1675 | // treat flushing as dirty when rejoining cache | |
1676 | bool dirty = dirfragtreelock.is_dirty_or_flushing(); | |
1677 | encode(dirty, bl); | |
1678 | } | |
1679 | { | |
1680 | // encode the raw tree | |
1681 | encode(dirfragtree, bl); | |
1682 | ||
1683 | // also specify which frags are mine | |
1684 | set<frag_t> myfrags; | |
1685 | auto&& dfls = get_dirfrags(); | |
1686 | for (const auto& dir : dfls) { | |
1687 | if (dir->is_auth()) { | |
1688 | frag_t fg = dir->get_frag(); | |
1689 | myfrags.insert(fg); | |
1690 | } | |
1691 | } | |
1692 | encode(myfrags, bl); | |
1693 | } | |
1694 | ENCODE_FINISH(bl); | |
1695 | } | |
1696 | ||
1697 | void CInode::decode_lock_idft(bufferlist::const_iterator& p) | |
1698 | { | |
1699 | DECODE_START(1, p); | |
1700 | if (is_auth()) { | |
1701 | bool replica_dirty; | |
1702 | decode(replica_dirty, p); | |
1703 | if (replica_dirty) { | |
1704 | dout(10) << __func__ << " setting dftlock dirty flag" << dendl; | |
1705 | dirfragtreelock.mark_dirty(); // ok bc we're auth and caller will handle | |
1706 | } | |
1707 | } else { | |
1708 | decode(inode.version, p); | |
1709 | } | |
1710 | { | |
1711 | fragtree_t temp; | |
1712 | decode(temp, p); | |
1713 | set<frag_t> authfrags; | |
1714 | decode(authfrags, p); | |
7c673cae | 1715 | if (is_auth()) { |
9f95a23c TL |
1716 | // auth. believe replica's auth frags only. |
1717 | for (auto fg : authfrags) { | |
1718 | if (!dirfragtree.is_leaf(fg)) { | |
1719 | dout(10) << " forcing frag " << fg << " to leaf (split|merge)" << dendl; | |
1720 | dirfragtree.force_to_leaf(g_ceph_context, fg); | |
1721 | dirfragtreelock.mark_dirty(); // ok bc we're auth and caller will handle | |
1722 | } | |
1723 | } | |
7c673cae | 1724 | } else { |
9f95a23c TL |
1725 | // replica. take the new tree, BUT make sure any open |
1726 | // dirfrags remain leaves (they may have split _after_ this | |
1727 | // dft was scattered, or we may still be be waiting on the | |
1728 | // notify from the auth) | |
1729 | dirfragtree.swap(temp); | |
1730 | for (const auto &p : dirfrags) { | |
1731 | if (!dirfragtree.is_leaf(p.first)) { | |
1732 | dout(10) << " forcing open dirfrag " << p.first << " to leaf (racing with split|merge)" << dendl; | |
1733 | dirfragtree.force_to_leaf(g_ceph_context, p.first); | |
1734 | } | |
1735 | if (p.second->is_auth()) | |
1736 | p.second->state_clear(CDir::STATE_DIRTYDFT); | |
1737 | } | |
7c673cae | 1738 | } |
9f95a23c TL |
1739 | if (g_conf()->mds_debug_frag) |
1740 | verify_dirfrags(); | |
1741 | } | |
1742 | DECODE_FINISH(p); | |
1743 | } | |
1744 | ||
1745 | void CInode::encode_lock_ifile(bufferlist& bl) | |
1746 | { | |
1747 | ENCODE_START(1, 1, bl); | |
1748 | if (is_auth()) { | |
1749 | encode(inode.version, bl); | |
1750 | encode(inode.ctime, bl); | |
1751 | encode(inode.mtime, bl); | |
1752 | encode(inode.atime, bl); | |
1753 | encode(inode.time_warp_seq, bl); | |
1754 | if (!is_dir()) { | |
1755 | encode(inode.layout, bl, mdcache->mds->mdsmap->get_up_features()); | |
1756 | encode(inode.size, bl); | |
1757 | encode(inode.truncate_seq, bl); | |
1758 | encode(inode.truncate_size, bl); | |
1759 | encode(inode.client_ranges, bl); | |
1760 | encode(inode.inline_data, bl); | |
1761 | } | |
1762 | } else { | |
1763 | // treat flushing as dirty when rejoining cache | |
1764 | bool dirty = filelock.is_dirty_or_flushing(); | |
1765 | encode(dirty, bl); | |
1766 | } | |
1767 | dout(15) << __func__ << " inode.dirstat is " << inode.dirstat << dendl; | |
1768 | encode(inode.dirstat, bl); // only meaningful if i am auth. | |
1769 | bufferlist tmp; | |
1770 | __u32 n = 0; | |
1771 | for (const auto &p : dirfrags) { | |
1772 | frag_t fg = p.first; | |
1773 | CDir *dir = p.second; | |
1774 | if (is_auth() || dir->is_auth()) { | |
1775 | fnode_t *pf = dir->get_projected_fnode(); | |
1776 | dout(15) << fg << " " << *dir << dendl; | |
1777 | dout(20) << fg << " fragstat " << pf->fragstat << dendl; | |
1778 | dout(20) << fg << " accounted_fragstat " << pf->accounted_fragstat << dendl; | |
1779 | encode(fg, tmp); | |
1780 | encode(dir->first, tmp); | |
1781 | encode(pf->fragstat, tmp); | |
1782 | encode(pf->accounted_fragstat, tmp); | |
1783 | n++; | |
7c673cae | 1784 | } |
9f95a23c TL |
1785 | } |
1786 | encode(n, bl); | |
1787 | bl.claim_append(tmp); | |
1788 | ENCODE_FINISH(bl); | |
1789 | } | |
1790 | ||
1791 | void CInode::decode_lock_ifile(bufferlist::const_iterator& p) | |
1792 | { | |
1793 | DECODE_START(1, p); | |
1794 | if (!is_auth()) { | |
1795 | decode(inode.version, p); | |
1796 | utime_t tm; | |
1797 | decode(tm, p); | |
1798 | if (inode.ctime < tm) inode.ctime = tm; | |
1799 | decode(inode.mtime, p); | |
1800 | decode(inode.atime, p); | |
1801 | decode(inode.time_warp_seq, p); | |
1802 | if (!is_dir()) { | |
1803 | decode(inode.layout, p); | |
1804 | decode(inode.size, p); | |
1805 | decode(inode.truncate_seq, p); | |
1806 | decode(inode.truncate_size, p); | |
1807 | decode(inode.client_ranges, p); | |
1808 | decode(inode.inline_data, p); | |
1809 | } | |
1810 | } else { | |
1811 | bool replica_dirty; | |
1812 | decode(replica_dirty, p); | |
1813 | if (replica_dirty) { | |
1814 | dout(10) << __func__ << " setting filelock dirty flag" << dendl; | |
1815 | filelock.mark_dirty(); // ok bc we're auth and caller will handle | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | frag_info_t dirstat; | |
1820 | decode(dirstat, p); | |
1821 | if (!is_auth()) { | |
1822 | dout(10) << " taking inode dirstat " << dirstat << " for " << *this << dendl; | |
1823 | inode.dirstat = dirstat; // take inode summation if replica | |
1824 | } | |
1825 | __u32 n; | |
1826 | decode(n, p); | |
1827 | dout(10) << " ...got " << n << " fragstats on " << *this << dendl; | |
1828 | while (n--) { | |
1829 | frag_t fg; | |
1830 | snapid_t fgfirst; | |
1831 | frag_info_t fragstat; | |
1832 | frag_info_t accounted_fragstat; | |
1833 | decode(fg, p); | |
1834 | decode(fgfirst, p); | |
1835 | decode(fragstat, p); | |
1836 | decode(accounted_fragstat, p); | |
1837 | dout(10) << fg << " [" << fgfirst << ",head] " << dendl; | |
1838 | dout(10) << fg << " fragstat " << fragstat << dendl; | |
1839 | dout(20) << fg << " accounted_fragstat " << accounted_fragstat << dendl; | |
1840 | ||
1841 | CDir *dir = get_dirfrag(fg); | |
7c673cae | 1842 | if (is_auth()) { |
9f95a23c TL |
1843 | ceph_assert(dir); // i am auth; i had better have this dir open |
1844 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1845 | << " on " << *dir << dendl; | |
1846 | dir->first = fgfirst; | |
1847 | dir->fnode.fragstat = fragstat; | |
1848 | dir->fnode.accounted_fragstat = accounted_fragstat; | |
1849 | if (!(fragstat == accounted_fragstat)) { | |
1850 | dout(10) << fg << " setting filelock updated flag" << dendl; | |
1851 | filelock.mark_dirty(); // ok bc we're auth and caller will handle | |
7c673cae FG |
1852 | } |
1853 | } else { | |
9f95a23c TL |
1854 | if (dir && dir->is_auth()) { |
1855 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1856 | << " on " << *dir << dendl; | |
1857 | dir->first = fgfirst; | |
1858 | fnode_t *pf = dir->get_projected_fnode(); | |
1859 | finish_scatter_update(&filelock, dir, | |
1860 | inode.dirstat.version, pf->accounted_fragstat.version); | |
1861 | } | |
7c673cae | 1862 | } |
9f95a23c TL |
1863 | } |
1864 | DECODE_FINISH(p); | |
1865 | } | |
7c673cae | 1866 | |
9f95a23c TL |
1867 | void CInode::encode_lock_inest(bufferlist& bl) |
1868 | { | |
1869 | ENCODE_START(1, 1, bl); | |
1870 | if (is_auth()) { | |
1871 | encode(inode.version, bl); | |
1872 | } else { | |
1873 | // treat flushing as dirty when rejoining cache | |
1874 | bool dirty = nestlock.is_dirty_or_flushing(); | |
1875 | encode(dirty, bl); | |
1876 | } | |
1877 | dout(15) << __func__ << " inode.rstat is " << inode.rstat << dendl; | |
1878 | encode(inode.rstat, bl); // only meaningful if i am auth. | |
1879 | bufferlist tmp; | |
1880 | __u32 n = 0; | |
1881 | for (const auto &p : dirfrags) { | |
1882 | frag_t fg = p.first; | |
1883 | CDir *dir = p.second; | |
1884 | if (is_auth() || dir->is_auth()) { | |
1885 | fnode_t *pf = dir->get_projected_fnode(); | |
1886 | dout(10) << __func__ << " " << fg << " dir " << *dir << dendl; | |
1887 | dout(10) << __func__ << " " << fg << " rstat " << pf->rstat << dendl; | |
1888 | dout(10) << __func__ << " " << fg << " accounted_rstat " << pf->rstat << dendl; | |
1889 | dout(10) << __func__ << " " << fg << " dirty_old_rstat " << dir->dirty_old_rstat << dendl; | |
1890 | encode(fg, tmp); | |
1891 | encode(dir->first, tmp); | |
1892 | encode(pf->rstat, tmp); | |
1893 | encode(pf->accounted_rstat, tmp); | |
1894 | encode(dir->dirty_old_rstat, tmp); | |
1895 | n++; | |
7c673cae | 1896 | } |
9f95a23c TL |
1897 | } |
1898 | encode(n, bl); | |
1899 | bl.claim_append(tmp); | |
1900 | ENCODE_FINISH(bl); | |
1901 | } | |
7c673cae | 1902 | |
9f95a23c TL |
1903 | void CInode::decode_lock_inest(bufferlist::const_iterator& p) |
1904 | { | |
1905 | DECODE_START(1, p); | |
1906 | if (is_auth()) { | |
1907 | bool replica_dirty; | |
1908 | decode(replica_dirty, p); | |
1909 | if (replica_dirty) { | |
1910 | dout(10) << __func__ << " setting nestlock dirty flag" << dendl; | |
1911 | nestlock.mark_dirty(); // ok bc we're auth and caller will handle | |
1912 | } | |
1913 | } else { | |
1914 | decode(inode.version, p); | |
1915 | } | |
1916 | nest_info_t rstat; | |
1917 | decode(rstat, p); | |
1918 | if (!is_auth()) { | |
1919 | dout(10) << __func__ << " taking inode rstat " << rstat << " for " << *this << dendl; | |
1920 | inode.rstat = rstat; // take inode summation if replica | |
1921 | } | |
1922 | __u32 n; | |
1923 | decode(n, p); | |
1924 | while (n--) { | |
1925 | frag_t fg; | |
1926 | snapid_t fgfirst; | |
1927 | nest_info_t rstat; | |
1928 | nest_info_t accounted_rstat; | |
1929 | decltype(CDir::dirty_old_rstat) dirty_old_rstat; | |
1930 | decode(fg, p); | |
1931 | decode(fgfirst, p); | |
1932 | decode(rstat, p); | |
1933 | decode(accounted_rstat, p); | |
1934 | decode(dirty_old_rstat, p); | |
1935 | dout(10) << __func__ << " " << fg << " [" << fgfirst << ",head]" << dendl; | |
1936 | dout(10) << __func__ << " " << fg << " rstat " << rstat << dendl; | |
1937 | dout(10) << __func__ << " " << fg << " accounted_rstat " << accounted_rstat << dendl; | |
1938 | dout(10) << __func__ << " " << fg << " dirty_old_rstat " << dirty_old_rstat << dendl; | |
1939 | CDir *dir = get_dirfrag(fg); | |
7c673cae | 1940 | if (is_auth()) { |
9f95a23c TL |
1941 | ceph_assert(dir); // i am auth; i had better have this dir open |
1942 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1943 | << " on " << *dir << dendl; | |
1944 | dir->first = fgfirst; | |
1945 | dir->fnode.rstat = rstat; | |
1946 | dir->fnode.accounted_rstat = accounted_rstat; | |
1947 | dir->dirty_old_rstat.swap(dirty_old_rstat); | |
1948 | if (!(rstat == accounted_rstat) || !dir->dirty_old_rstat.empty()) { | |
1949 | dout(10) << fg << " setting nestlock updated flag" << dendl; | |
1950 | nestlock.mark_dirty(); // ok bc we're auth and caller will handle | |
1951 | } | |
7c673cae | 1952 | } else { |
9f95a23c TL |
1953 | if (dir && dir->is_auth()) { |
1954 | dout(10) << fg << " first " << dir->first << " -> " << fgfirst | |
1955 | << " on " << *dir << dendl; | |
1956 | dir->first = fgfirst; | |
1957 | fnode_t *pf = dir->get_projected_fnode(); | |
1958 | finish_scatter_update(&nestlock, dir, | |
1959 | inode.rstat.version, pf->accounted_rstat.version); | |
7c673cae | 1960 | } |
7c673cae | 1961 | } |
9f95a23c TL |
1962 | } |
1963 | DECODE_FINISH(p); | |
1964 | } | |
1965 | ||
1966 | void CInode::encode_lock_ixattr(bufferlist& bl) | |
1967 | { | |
1968 | ENCODE_START(1, 1, bl); | |
1969 | encode(inode.version, bl); | |
1970 | encode(inode.ctime, bl); | |
1971 | encode(xattrs, bl); | |
1972 | ENCODE_FINISH(bl); | |
1973 | } | |
1974 | ||
1975 | void CInode::decode_lock_ixattr(bufferlist::const_iterator& p) | |
1976 | { | |
1977 | DECODE_START(1, p); | |
1978 | decode(inode.version, p); | |
1979 | utime_t tm; | |
1980 | decode(tm, p); | |
1981 | if (inode.ctime < tm) inode.ctime = tm; | |
e306af50 | 1982 | decode_noshare(xattrs, p); |
9f95a23c TL |
1983 | DECODE_FINISH(p); |
1984 | } | |
1985 | ||
1986 | void CInode::encode_lock_isnap(bufferlist& bl) | |
1987 | { | |
1988 | ENCODE_START(1, 1, bl); | |
1989 | encode(inode.version, bl); | |
1990 | encode(inode.ctime, bl); | |
1991 | encode_snap(bl); | |
1992 | ENCODE_FINISH(bl); | |
1993 | } | |
1994 | ||
1995 | void CInode::decode_lock_isnap(bufferlist::const_iterator& p) | |
1996 | { | |
1997 | DECODE_START(1, p); | |
1998 | decode(inode.version, p); | |
1999 | utime_t tm; | |
2000 | decode(tm, p); | |
2001 | if (inode.ctime < tm) inode.ctime = tm; | |
2002 | decode_snap(p); | |
2003 | DECODE_FINISH(p); | |
2004 | } | |
2005 | ||
2006 | void CInode::encode_lock_iflock(bufferlist& bl) | |
2007 | { | |
2008 | ENCODE_START(1, 1, bl); | |
2009 | encode(inode.version, bl); | |
2010 | _encode_file_locks(bl); | |
2011 | ENCODE_FINISH(bl); | |
2012 | } | |
2013 | ||
2014 | void CInode::decode_lock_iflock(bufferlist::const_iterator& p) | |
2015 | { | |
2016 | DECODE_START(1, p); | |
2017 | decode(inode.version, p); | |
2018 | _decode_file_locks(p); | |
2019 | DECODE_FINISH(p); | |
2020 | } | |
2021 | ||
2022 | void CInode::encode_lock_ipolicy(bufferlist& bl) | |
2023 | { | |
f6b5b4d7 | 2024 | ENCODE_START(2, 1, bl); |
9f95a23c TL |
2025 | if (inode.is_dir()) { |
2026 | encode(inode.version, bl); | |
2027 | encode(inode.ctime, bl); | |
2028 | encode(inode.layout, bl, mdcache->mds->mdsmap->get_up_features()); | |
2029 | encode(inode.quota, bl); | |
2030 | encode(inode.export_pin, bl); | |
f6b5b4d7 TL |
2031 | encode(inode.export_ephemeral_distributed_pin, bl); |
2032 | encode(inode.export_ephemeral_random_pin, bl); | |
9f95a23c TL |
2033 | } |
2034 | ENCODE_FINISH(bl); | |
2035 | } | |
2036 | ||
2037 | void CInode::decode_lock_ipolicy(bufferlist::const_iterator& p) | |
2038 | { | |
f6b5b4d7 | 2039 | DECODE_START(2, p); |
9f95a23c TL |
2040 | if (inode.is_dir()) { |
2041 | decode(inode.version, p); | |
2042 | utime_t tm; | |
2043 | decode(tm, p); | |
2044 | if (inode.ctime < tm) inode.ctime = tm; | |
2045 | decode(inode.layout, p); | |
2046 | decode(inode.quota, p); | |
f6b5b4d7 TL |
2047 | { |
2048 | mds_rank_t old_pin = inode.export_pin; | |
2049 | decode(inode.export_pin, p); | |
2050 | maybe_export_pin(old_pin != inode.export_pin); | |
2051 | } | |
2052 | if (struct_v >= 2) { | |
2053 | { | |
2054 | bool old_ephemeral_pin = inode.export_ephemeral_distributed_pin; | |
2055 | decode(inode.export_ephemeral_distributed_pin, p); | |
2056 | maybe_ephemeral_dist_children(old_ephemeral_pin != inode.export_ephemeral_distributed_pin); | |
2057 | } | |
2058 | decode(inode.export_ephemeral_random_pin, p); | |
2059 | } | |
9f95a23c TL |
2060 | } |
2061 | DECODE_FINISH(p); | |
2062 | } | |
2063 | ||
2064 | void CInode::encode_lock_state(int type, bufferlist& bl) | |
2065 | { | |
2066 | ENCODE_START(1, 1, bl); | |
2067 | encode(first, bl); | |
2068 | if (!is_base()) | |
2069 | encode(parent->first, bl); | |
2070 | ||
2071 | switch (type) { | |
2072 | case CEPH_LOCK_IAUTH: | |
2073 | encode_lock_iauth(bl); | |
2074 | break; | |
2075 | ||
2076 | case CEPH_LOCK_ILINK: | |
2077 | encode_lock_ilink(bl); | |
2078 | break; | |
2079 | ||
2080 | case CEPH_LOCK_IDFT: | |
2081 | encode_lock_idft(bl); | |
2082 | break; | |
2083 | ||
2084 | case CEPH_LOCK_IFILE: | |
2085 | encode_lock_ifile(bl); | |
2086 | break; | |
2087 | ||
2088 | case CEPH_LOCK_INEST: | |
2089 | encode_lock_inest(bl); | |
7c673cae FG |
2090 | break; |
2091 | ||
2092 | case CEPH_LOCK_IXATTR: | |
9f95a23c | 2093 | encode_lock_ixattr(bl); |
7c673cae FG |
2094 | break; |
2095 | ||
2096 | case CEPH_LOCK_ISNAP: | |
9f95a23c | 2097 | encode_lock_isnap(bl); |
7c673cae FG |
2098 | break; |
2099 | ||
2100 | case CEPH_LOCK_IFLOCK: | |
9f95a23c | 2101 | encode_lock_iflock(bl); |
7c673cae FG |
2102 | break; |
2103 | ||
2104 | case CEPH_LOCK_IPOLICY: | |
9f95a23c | 2105 | encode_lock_ipolicy(bl); |
7c673cae FG |
2106 | break; |
2107 | ||
2108 | default: | |
2109 | ceph_abort(); | |
2110 | } | |
9f95a23c | 2111 | ENCODE_FINISH(bl); |
7c673cae FG |
2112 | } |
2113 | ||
7c673cae FG |
2114 | /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */ |
2115 | ||
11fdf7f2 | 2116 | void CInode::decode_lock_state(int type, const bufferlist& bl) |
7c673cae | 2117 | { |
11fdf7f2 | 2118 | auto p = bl.cbegin(); |
9f95a23c TL |
2119 | |
2120 | DECODE_START(1, p); | |
7c673cae FG |
2121 | utime_t tm; |
2122 | ||
2123 | snapid_t newfirst; | |
11fdf7f2 TL |
2124 | using ceph::decode; |
2125 | decode(newfirst, p); | |
7c673cae | 2126 | if (!is_auth() && newfirst != first) { |
11fdf7f2 TL |
2127 | dout(10) << __func__ << " first " << first << " -> " << newfirst << dendl; |
2128 | first = newfirst; | |
2129 | } | |
2130 | if (!is_base()) { | |
2131 | decode(newfirst, p); | |
2132 | if (!parent->is_auth() && newfirst != parent->first) { | |
2133 | dout(10) << __func__ << " parent first " << first << " -> " << newfirst << dendl; | |
7c673cae FG |
2134 | parent->first = newfirst; |
2135 | } | |
7c673cae FG |
2136 | } |
2137 | ||
2138 | switch (type) { | |
2139 | case CEPH_LOCK_IAUTH: | |
9f95a23c | 2140 | decode_lock_iauth(p); |
7c673cae FG |
2141 | break; |
2142 | ||
2143 | case CEPH_LOCK_ILINK: | |
9f95a23c | 2144 | decode_lock_ilink(p); |
7c673cae FG |
2145 | break; |
2146 | ||
2147 | case CEPH_LOCK_IDFT: | |
9f95a23c | 2148 | decode_lock_idft(p); |
7c673cae FG |
2149 | break; |
2150 | ||
2151 | case CEPH_LOCK_IFILE: | |
9f95a23c | 2152 | decode_lock_ifile(p); |
7c673cae FG |
2153 | break; |
2154 | ||
2155 | case CEPH_LOCK_INEST: | |
9f95a23c | 2156 | decode_lock_inest(p); |
7c673cae FG |
2157 | break; |
2158 | ||
2159 | case CEPH_LOCK_IXATTR: | |
9f95a23c | 2160 | decode_lock_ixattr(p); |
7c673cae FG |
2161 | break; |
2162 | ||
2163 | case CEPH_LOCK_ISNAP: | |
9f95a23c | 2164 | decode_lock_isnap(p); |
7c673cae FG |
2165 | break; |
2166 | ||
2167 | case CEPH_LOCK_IFLOCK: | |
9f95a23c | 2168 | decode_lock_iflock(p); |
7c673cae FG |
2169 | break; |
2170 | ||
2171 | case CEPH_LOCK_IPOLICY: | |
9f95a23c | 2172 | decode_lock_ipolicy(p); |
7c673cae FG |
2173 | break; |
2174 | ||
2175 | default: | |
2176 | ceph_abort(); | |
2177 | } | |
9f95a23c | 2178 | DECODE_FINISH(p); |
7c673cae FG |
2179 | } |
2180 | ||
2181 | ||
2182 | bool CInode::is_dirty_scattered() | |
2183 | { | |
2184 | return | |
2185 | filelock.is_dirty_or_flushing() || | |
2186 | nestlock.is_dirty_or_flushing() || | |
2187 | dirfragtreelock.is_dirty_or_flushing(); | |
2188 | } | |
2189 | ||
2190 | void CInode::clear_scatter_dirty() | |
2191 | { | |
2192 | filelock.remove_dirty(); | |
2193 | nestlock.remove_dirty(); | |
2194 | dirfragtreelock.remove_dirty(); | |
2195 | } | |
2196 | ||
2197 | void CInode::clear_dirty_scattered(int type) | |
2198 | { | |
11fdf7f2 TL |
2199 | dout(10) << __func__ << " " << type << " on " << *this << dendl; |
2200 | ceph_assert(is_dir()); | |
7c673cae FG |
2201 | switch (type) { |
2202 | case CEPH_LOCK_IFILE: | |
2203 | item_dirty_dirfrag_dir.remove_myself(); | |
2204 | break; | |
2205 | ||
2206 | case CEPH_LOCK_INEST: | |
2207 | item_dirty_dirfrag_nest.remove_myself(); | |
2208 | break; | |
2209 | ||
2210 | case CEPH_LOCK_IDFT: | |
2211 | item_dirty_dirfrag_dirfragtree.remove_myself(); | |
2212 | break; | |
2213 | ||
2214 | default: | |
2215 | ceph_abort(); | |
2216 | } | |
2217 | } | |
2218 | ||
2219 | ||
2220 | /* | |
2221 | * when we initially scatter a lock, we need to check if any of the dirfrags | |
2222 | * have out of date accounted_rstat/fragstat. if so, mark the lock stale. | |
2223 | */ | |
2224 | /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */ | |
2225 | void CInode::start_scatter(ScatterLock *lock) | |
2226 | { | |
11fdf7f2 TL |
2227 | dout(10) << __func__ << " " << *lock << " on " << *this << dendl; |
2228 | ceph_assert(is_auth()); | |
94b18763 | 2229 | mempool_inode *pi = get_projected_inode(); |
7c673cae | 2230 | |
94b18763 FG |
2231 | for (const auto &p : dirfrags) { |
2232 | frag_t fg = p.first; | |
2233 | CDir *dir = p.second; | |
7c673cae FG |
2234 | fnode_t *pf = dir->get_projected_fnode(); |
2235 | dout(20) << fg << " " << *dir << dendl; | |
2236 | ||
2237 | if (!dir->is_auth()) | |
2238 | continue; | |
2239 | ||
2240 | switch (lock->get_type()) { | |
2241 | case CEPH_LOCK_IFILE: | |
2242 | finish_scatter_update(lock, dir, pi->dirstat.version, pf->accounted_fragstat.version); | |
2243 | break; | |
2244 | ||
2245 | case CEPH_LOCK_INEST: | |
2246 | finish_scatter_update(lock, dir, pi->rstat.version, pf->accounted_rstat.version); | |
2247 | break; | |
2248 | ||
2249 | case CEPH_LOCK_IDFT: | |
2250 | dir->state_clear(CDir::STATE_DIRTYDFT); | |
2251 | break; | |
2252 | } | |
2253 | } | |
2254 | } | |
2255 | ||
2256 | ||
2257 | class C_Inode_FragUpdate : public MDSLogContextBase { | |
2258 | protected: | |
2259 | CInode *in; | |
2260 | CDir *dir; | |
2261 | MutationRef mut; | |
2262 | MDSRank *get_mds() override {return in->mdcache->mds;} | |
2263 | void finish(int r) override { | |
2264 | in->_finish_frag_update(dir, mut); | |
2265 | } | |
2266 | ||
2267 | public: | |
2268 | C_Inode_FragUpdate(CInode *i, CDir *d, MutationRef& m) : in(i), dir(d), mut(m) {} | |
2269 | }; | |
2270 | ||
2271 | void CInode::finish_scatter_update(ScatterLock *lock, CDir *dir, | |
2272 | version_t inode_version, version_t dir_accounted_version) | |
2273 | { | |
2274 | frag_t fg = dir->get_frag(); | |
11fdf7f2 | 2275 | ceph_assert(dir->is_auth()); |
7c673cae FG |
2276 | |
2277 | if (dir->is_frozen()) { | |
11fdf7f2 | 2278 | dout(10) << __func__ << " " << fg << " frozen, marking " << *lock << " stale " << *dir << dendl; |
7c673cae | 2279 | } else if (dir->get_version() == 0) { |
11fdf7f2 | 2280 | dout(10) << __func__ << " " << fg << " not loaded, marking " << *lock << " stale " << *dir << dendl; |
7c673cae FG |
2281 | } else { |
2282 | if (dir_accounted_version != inode_version) { | |
11fdf7f2 | 2283 | dout(10) << __func__ << " " << fg << " journaling accounted scatterstat update v" << inode_version << dendl; |
7c673cae FG |
2284 | |
2285 | MDLog *mdlog = mdcache->mds->mdlog; | |
2286 | MutationRef mut(new MutationImpl()); | |
2287 | mut->ls = mdlog->get_current_segment(); | |
2288 | ||
94b18763 | 2289 | mempool_inode *pi = get_projected_inode(); |
7c673cae | 2290 | fnode_t *pf = dir->project_fnode(); |
7c673cae | 2291 | |
9f95a23c | 2292 | std::string_view ename; |
7c673cae FG |
2293 | switch (lock->get_type()) { |
2294 | case CEPH_LOCK_IFILE: | |
2295 | pf->fragstat.version = pi->dirstat.version; | |
2296 | pf->accounted_fragstat = pf->fragstat; | |
2297 | ename = "lock ifile accounted scatter stat update"; | |
2298 | break; | |
2299 | case CEPH_LOCK_INEST: | |
2300 | pf->rstat.version = pi->rstat.version; | |
2301 | pf->accounted_rstat = pf->rstat; | |
2302 | ename = "lock inest accounted scatter stat update"; | |
c07f9fc5 FG |
2303 | |
2304 | if (!is_auth() && lock->get_state() == LOCK_MIX) { | |
11fdf7f2 | 2305 | dout(10) << __func__ << " try to assimilate dirty rstat on " |
c07f9fc5 FG |
2306 | << *dir << dendl; |
2307 | dir->assimilate_dirty_rstat_inodes(); | |
2308 | } | |
2309 | ||
7c673cae FG |
2310 | break; |
2311 | default: | |
2312 | ceph_abort(); | |
2313 | } | |
2314 | ||
c07f9fc5 | 2315 | pf->version = dir->pre_dirty(); |
7c673cae FG |
2316 | mut->add_projected_fnode(dir); |
2317 | ||
2318 | EUpdate *le = new EUpdate(mdlog, ename); | |
2319 | mdlog->start_entry(le); | |
2320 | le->metablob.add_dir_context(dir); | |
2321 | le->metablob.add_dir(dir, true); | |
2322 | ||
11fdf7f2 | 2323 | ceph_assert(!dir->is_frozen()); |
7c673cae | 2324 | mut->auth_pin(dir); |
c07f9fc5 FG |
2325 | |
2326 | if (lock->get_type() == CEPH_LOCK_INEST && | |
2327 | !is_auth() && lock->get_state() == LOCK_MIX) { | |
11fdf7f2 | 2328 | dout(10) << __func__ << " finish assimilating dirty rstat on " |
c07f9fc5 FG |
2329 | << *dir << dendl; |
2330 | dir->assimilate_dirty_rstat_inodes_finish(mut, &le->metablob); | |
2331 | ||
2332 | if (!(pf->rstat == pf->accounted_rstat)) { | |
11fdf7f2 | 2333 | if (!mut->is_wrlocked(&nestlock)) { |
c07f9fc5 FG |
2334 | mdcache->mds->locker->wrlock_force(&nestlock, mut); |
2335 | } | |
2336 | ||
2337 | mdcache->mds->locker->mark_updated_scatterlock(&nestlock); | |
2338 | mut->ls->dirty_dirfrag_nest.push_back(&item_dirty_dirfrag_nest); | |
2339 | } | |
2340 | } | |
7c673cae FG |
2341 | |
2342 | mdlog->submit_entry(le, new C_Inode_FragUpdate(this, dir, mut)); | |
2343 | } else { | |
11fdf7f2 | 2344 | dout(10) << __func__ << " " << fg << " accounted " << *lock |
7c673cae FG |
2345 | << " scatter stat unchanged at v" << dir_accounted_version << dendl; |
2346 | } | |
2347 | } | |
2348 | } | |
2349 | ||
2350 | void CInode::_finish_frag_update(CDir *dir, MutationRef& mut) | |
2351 | { | |
11fdf7f2 | 2352 | dout(10) << __func__ << " on " << *dir << dendl; |
7c673cae | 2353 | mut->apply(); |
c07f9fc5 | 2354 | mdcache->mds->locker->drop_locks(mut.get()); |
7c673cae FG |
2355 | mut->cleanup(); |
2356 | } | |
2357 | ||
2358 | ||
2359 | /* | |
2360 | * when we gather a lock, we need to assimilate dirfrag changes into the inode | |
2361 | * state. it's possible we can't update the dirfrag accounted_rstat/fragstat | |
2362 | * because the frag is auth and frozen, or that the replica couldn't for the same | |
2363 | * reason. hopefully it will get updated the next time the lock cycles. | |
2364 | * | |
2365 | * we have two dimensions of behavior: | |
2366 | * - we may be (auth and !frozen), and able to update, or not. | |
2367 | * - the frag may be stale, or not. | |
2368 | * | |
2369 | * if the frag is non-stale, we want to assimilate the diff into the | |
2370 | * inode, regardless of whether it's auth or updateable. | |
2371 | * | |
2372 | * if we update the frag, we want to set accounted_fragstat = frag, | |
2373 | * both if we took the diff or it was stale and we are making it | |
2374 | * un-stale. | |
2375 | */ | |
2376 | /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */ | |
2377 | void CInode::finish_scatter_gather_update(int type) | |
2378 | { | |
2379 | LogChannelRef clog = mdcache->mds->clog; | |
2380 | ||
11fdf7f2 TL |
2381 | dout(10) << __func__ << " " << type << " on " << *this << dendl; |
2382 | ceph_assert(is_auth()); | |
7c673cae FG |
2383 | |
2384 | switch (type) { | |
2385 | case CEPH_LOCK_IFILE: | |
2386 | { | |
2387 | fragtree_t tmpdft = dirfragtree; | |
2388 | struct frag_info_t dirstat; | |
2389 | bool dirstat_valid = true; | |
2390 | ||
2391 | // adjust summation | |
11fdf7f2 | 2392 | ceph_assert(is_auth()); |
94b18763 | 2393 | mempool_inode *pi = get_projected_inode(); |
7c673cae FG |
2394 | |
2395 | bool touched_mtime = false, touched_chattr = false; | |
2396 | dout(20) << " orig dirstat " << pi->dirstat << dendl; | |
2397 | pi->dirstat.version++; | |
94b18763 FG |
2398 | for (const auto &p : dirfrags) { |
2399 | frag_t fg = p.first; | |
2400 | CDir *dir = p.second; | |
7c673cae FG |
2401 | dout(20) << fg << " " << *dir << dendl; |
2402 | ||
2403 | bool update; | |
2404 | if (dir->get_version() != 0) { | |
2405 | update = dir->is_auth() && !dir->is_frozen(); | |
2406 | } else { | |
2407 | update = false; | |
2408 | dirstat_valid = false; | |
2409 | } | |
2410 | ||
2411 | fnode_t *pf = dir->get_projected_fnode(); | |
2412 | if (update) | |
2413 | pf = dir->project_fnode(); | |
2414 | ||
2415 | if (pf->accounted_fragstat.version == pi->dirstat.version - 1) { | |
2416 | dout(20) << fg << " fragstat " << pf->fragstat << dendl; | |
2417 | dout(20) << fg << " accounted_fragstat " << pf->accounted_fragstat << dendl; | |
2418 | pi->dirstat.add_delta(pf->fragstat, pf->accounted_fragstat, &touched_mtime, &touched_chattr); | |
2419 | } else { | |
2420 | dout(20) << fg << " skipping STALE accounted_fragstat " << pf->accounted_fragstat << dendl; | |
2421 | } | |
2422 | ||
2423 | if (pf->fragstat.nfiles < 0 || | |
2424 | pf->fragstat.nsubdirs < 0) { | |
2425 | clog->error() << "bad/negative dir size on " | |
2426 | << dir->dirfrag() << " " << pf->fragstat; | |
11fdf7f2 | 2427 | ceph_assert(!"bad/negative fragstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2428 | |
2429 | if (pf->fragstat.nfiles < 0) | |
2430 | pf->fragstat.nfiles = 0; | |
2431 | if (pf->fragstat.nsubdirs < 0) | |
2432 | pf->fragstat.nsubdirs = 0; | |
2433 | } | |
2434 | ||
2435 | if (update) { | |
2436 | pf->accounted_fragstat = pf->fragstat; | |
2437 | pf->fragstat.version = pf->accounted_fragstat.version = pi->dirstat.version; | |
2438 | dout(10) << fg << " updated accounted_fragstat " << pf->fragstat << " on " << *dir << dendl; | |
2439 | } | |
2440 | ||
2441 | tmpdft.force_to_leaf(g_ceph_context, fg); | |
2442 | dirstat.add(pf->fragstat); | |
2443 | } | |
2444 | if (touched_mtime) | |
2445 | pi->mtime = pi->ctime = pi->dirstat.mtime; | |
2446 | if (touched_chattr) | |
2447 | pi->change_attr = pi->dirstat.change_attr; | |
2448 | dout(20) << " final dirstat " << pi->dirstat << dendl; | |
2449 | ||
2450 | if (dirstat_valid && !dirstat.same_sums(pi->dirstat)) { | |
11fdf7f2 TL |
2451 | frag_vec_t leaves; |
2452 | tmpdft.get_leaves_under(frag_t(), leaves); | |
2453 | for (const auto& leaf : leaves) { | |
2454 | if (!dirfrags.count(leaf)) { | |
7c673cae FG |
2455 | dirstat_valid = false; |
2456 | break; | |
2457 | } | |
11fdf7f2 | 2458 | } |
7c673cae FG |
2459 | if (dirstat_valid) { |
2460 | if (state_test(CInode::STATE_REPAIRSTATS)) { | |
2461 | dout(20) << " dirstat mismatch, fixing" << dendl; | |
2462 | } else { | |
2463 | clog->error() << "unmatched fragstat on " << ino() << ", inode has " | |
2464 | << pi->dirstat << ", dirfrags have " << dirstat; | |
11fdf7f2 | 2465 | ceph_assert(!"unmatched fragstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2466 | } |
2467 | // trust the dirfrags for now | |
2468 | version_t v = pi->dirstat.version; | |
2469 | if (pi->dirstat.mtime > dirstat.mtime) | |
2470 | dirstat.mtime = pi->dirstat.mtime; | |
2471 | if (pi->dirstat.change_attr > dirstat.change_attr) | |
2472 | dirstat.change_attr = pi->dirstat.change_attr; | |
2473 | pi->dirstat = dirstat; | |
2474 | pi->dirstat.version = v; | |
2475 | } | |
2476 | } | |
2477 | ||
d2e6a577 FG |
2478 | if (pi->dirstat.nfiles < 0 || pi->dirstat.nsubdirs < 0) |
2479 | { | |
2480 | std::string path; | |
2481 | make_path_string(path); | |
2482 | clog->error() << "Inconsistent statistics detected: fragstat on inode " | |
2483 | << ino() << " (" << path << "), inode has " << pi->dirstat; | |
11fdf7f2 | 2484 | ceph_assert(!"bad/negative fragstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2485 | |
2486 | if (pi->dirstat.nfiles < 0) | |
2487 | pi->dirstat.nfiles = 0; | |
2488 | if (pi->dirstat.nsubdirs < 0) | |
2489 | pi->dirstat.nsubdirs = 0; | |
2490 | } | |
2491 | } | |
2492 | break; | |
2493 | ||
2494 | case CEPH_LOCK_INEST: | |
2495 | { | |
11fdf7f2 TL |
2496 | // adjust summation |
2497 | ceph_assert(is_auth()); | |
2498 | ||
7c673cae FG |
2499 | fragtree_t tmpdft = dirfragtree; |
2500 | nest_info_t rstat; | |
7c673cae FG |
2501 | bool rstat_valid = true; |
2502 | ||
11fdf7f2 TL |
2503 | rstat.rsubdirs = 1; |
2504 | if (const sr_t *srnode = get_projected_srnode(); srnode) | |
2505 | rstat.rsnaps = srnode->snaps.size(); | |
2506 | ||
94b18763 | 2507 | mempool_inode *pi = get_projected_inode(); |
7c673cae FG |
2508 | dout(20) << " orig rstat " << pi->rstat << dendl; |
2509 | pi->rstat.version++; | |
94b18763 FG |
2510 | for (const auto &p : dirfrags) { |
2511 | frag_t fg = p.first; | |
2512 | CDir *dir = p.second; | |
7c673cae FG |
2513 | dout(20) << fg << " " << *dir << dendl; |
2514 | ||
2515 | bool update; | |
2516 | if (dir->get_version() != 0) { | |
2517 | update = dir->is_auth() && !dir->is_frozen(); | |
2518 | } else { | |
2519 | update = false; | |
2520 | rstat_valid = false; | |
2521 | } | |
2522 | ||
2523 | fnode_t *pf = dir->get_projected_fnode(); | |
2524 | if (update) | |
2525 | pf = dir->project_fnode(); | |
2526 | ||
2527 | if (pf->accounted_rstat.version == pi->rstat.version-1) { | |
2528 | // only pull this frag's dirty rstat inodes into the frag if | |
2529 | // the frag is non-stale and updateable. if it's stale, | |
2530 | // that info will just get thrown out! | |
2531 | if (update) | |
2532 | dir->assimilate_dirty_rstat_inodes(); | |
2533 | ||
2534 | dout(20) << fg << " rstat " << pf->rstat << dendl; | |
2535 | dout(20) << fg << " accounted_rstat " << pf->accounted_rstat << dendl; | |
2536 | dout(20) << fg << " dirty_old_rstat " << dir->dirty_old_rstat << dendl; | |
2537 | mdcache->project_rstat_frag_to_inode(pf->rstat, pf->accounted_rstat, | |
2538 | dir->first, CEPH_NOSNAP, this, true); | |
94b18763 FG |
2539 | for (auto &p : dir->dirty_old_rstat) { |
2540 | mdcache->project_rstat_frag_to_inode(p.second.rstat, p.second.accounted_rstat, | |
2541 | p.second.first, p.first, this, true); | |
2542 | } | |
7c673cae FG |
2543 | if (update) // dir contents not valid if frozen or non-auth |
2544 | dir->check_rstats(); | |
2545 | } else { | |
2546 | dout(20) << fg << " skipping STALE accounted_rstat " << pf->accounted_rstat << dendl; | |
2547 | } | |
2548 | if (update) { | |
2549 | pf->accounted_rstat = pf->rstat; | |
2550 | dir->dirty_old_rstat.clear(); | |
2551 | pf->rstat.version = pf->accounted_rstat.version = pi->rstat.version; | |
2552 | dir->check_rstats(); | |
2553 | dout(10) << fg << " updated accounted_rstat " << pf->rstat << " on " << *dir << dendl; | |
2554 | } | |
2555 | ||
2556 | tmpdft.force_to_leaf(g_ceph_context, fg); | |
2557 | rstat.add(pf->rstat); | |
2558 | } | |
2559 | dout(20) << " final rstat " << pi->rstat << dendl; | |
2560 | ||
2561 | if (rstat_valid && !rstat.same_sums(pi->rstat)) { | |
11fdf7f2 TL |
2562 | frag_vec_t leaves; |
2563 | tmpdft.get_leaves_under(frag_t(), leaves); | |
2564 | for (const auto& leaf : leaves) { | |
2565 | if (!dirfrags.count(leaf)) { | |
7c673cae FG |
2566 | rstat_valid = false; |
2567 | break; | |
2568 | } | |
11fdf7f2 | 2569 | } |
7c673cae FG |
2570 | if (rstat_valid) { |
2571 | if (state_test(CInode::STATE_REPAIRSTATS)) { | |
2572 | dout(20) << " rstat mismatch, fixing" << dendl; | |
2573 | } else { | |
d2e6a577 FG |
2574 | clog->error() << "inconsistent rstat on inode " << ino() |
2575 | << ", inode has " << pi->rstat | |
2576 | << ", directory fragments have " << rstat; | |
11fdf7f2 | 2577 | ceph_assert(!"unmatched rstat" == g_conf()->mds_verify_scatter); |
7c673cae FG |
2578 | } |
2579 | // trust the dirfrag for now | |
2580 | version_t v = pi->rstat.version; | |
2581 | if (pi->rstat.rctime > rstat.rctime) | |
2582 | rstat.rctime = pi->rstat.rctime; | |
2583 | pi->rstat = rstat; | |
2584 | pi->rstat.version = v; | |
2585 | } | |
2586 | } | |
2587 | ||
2588 | mdcache->broadcast_quota_to_client(this); | |
2589 | } | |
2590 | break; | |
2591 | ||
2592 | case CEPH_LOCK_IDFT: | |
2593 | break; | |
2594 | ||
2595 | default: | |
2596 | ceph_abort(); | |
2597 | } | |
2598 | } | |
2599 | ||
2600 | void CInode::finish_scatter_gather_update_accounted(int type, MutationRef& mut, EMetaBlob *metablob) | |
2601 | { | |
11fdf7f2 TL |
2602 | dout(10) << __func__ << " " << type << " on " << *this << dendl; |
2603 | ceph_assert(is_auth()); | |
7c673cae | 2604 | |
94b18763 FG |
2605 | for (const auto &p : dirfrags) { |
2606 | CDir *dir = p.second; | |
7c673cae FG |
2607 | if (!dir->is_auth() || dir->get_version() == 0 || dir->is_frozen()) |
2608 | continue; | |
2609 | ||
2610 | if (type == CEPH_LOCK_IDFT) | |
2611 | continue; // nothing to do. | |
2612 | ||
2613 | dout(10) << " journaling updated frag accounted_ on " << *dir << dendl; | |
11fdf7f2 | 2614 | ceph_assert(dir->is_projected()); |
7c673cae FG |
2615 | fnode_t *pf = dir->get_projected_fnode(); |
2616 | pf->version = dir->pre_dirty(); | |
2617 | mut->add_projected_fnode(dir); | |
2618 | metablob->add_dir(dir, true); | |
2619 | mut->auth_pin(dir); | |
2620 | ||
2621 | if (type == CEPH_LOCK_INEST) | |
2622 | dir->assimilate_dirty_rstat_inodes_finish(mut, metablob); | |
2623 | } | |
2624 | } | |
2625 | ||
2626 | // waiting | |
2627 | ||
2628 | bool CInode::is_frozen() const | |
2629 | { | |
2630 | if (is_frozen_inode()) return true; | |
2631 | if (parent && parent->dir->is_frozen()) return true; | |
2632 | return false; | |
2633 | } | |
2634 | ||
2635 | bool CInode::is_frozen_dir() const | |
2636 | { | |
2637 | if (parent && parent->dir->is_frozen_dir()) return true; | |
2638 | return false; | |
2639 | } | |
2640 | ||
2641 | bool CInode::is_freezing() const | |
2642 | { | |
2643 | if (is_freezing_inode()) return true; | |
2644 | if (parent && parent->dir->is_freezing()) return true; | |
2645 | return false; | |
2646 | } | |
2647 | ||
11fdf7f2 | 2648 | void CInode::add_dir_waiter(frag_t fg, MDSContext *c) |
7c673cae FG |
2649 | { |
2650 | if (waiting_on_dir.empty()) | |
2651 | get(PIN_DIRWAITER); | |
2652 | waiting_on_dir[fg].push_back(c); | |
11fdf7f2 | 2653 | dout(10) << __func__ << " frag " << fg << " " << c << " on " << *this << dendl; |
7c673cae FG |
2654 | } |
2655 | ||
11fdf7f2 | 2656 | void CInode::take_dir_waiting(frag_t fg, MDSContext::vec& ls) |
7c673cae FG |
2657 | { |
2658 | if (waiting_on_dir.empty()) | |
2659 | return; | |
2660 | ||
94b18763 FG |
2661 | auto it = waiting_on_dir.find(fg); |
2662 | if (it != waiting_on_dir.end()) { | |
2663 | dout(10) << __func__ << " frag " << fg << " on " << *this << dendl; | |
11fdf7f2 TL |
2664 | auto& waiting = it->second; |
2665 | ls.insert(ls.end(), waiting.begin(), waiting.end()); | |
94b18763 | 2666 | waiting_on_dir.erase(it); |
7c673cae FG |
2667 | |
2668 | if (waiting_on_dir.empty()) | |
2669 | put(PIN_DIRWAITER); | |
2670 | } | |
2671 | } | |
2672 | ||
11fdf7f2 | 2673 | void CInode::add_waiter(uint64_t tag, MDSContext *c) |
7c673cae | 2674 | { |
11fdf7f2 | 2675 | dout(10) << __func__ << " tag " << std::hex << tag << std::dec << " " << c |
7c673cae FG |
2676 | << " !ambig " << !state_test(STATE_AMBIGUOUSAUTH) |
2677 | << " !frozen " << !is_frozen_inode() | |
2678 | << " !freezing " << !is_freezing_inode() | |
2679 | << dendl; | |
2680 | // wait on the directory? | |
2681 | // make sure its not the inode that is explicitly ambiguous|freezing|frozen | |
2682 | if (((tag & WAIT_SINGLEAUTH) && !state_test(STATE_AMBIGUOUSAUTH)) || | |
2683 | ((tag & WAIT_UNFREEZE) && | |
2684 | !is_frozen_inode() && !is_freezing_inode() && !is_frozen_auth_pin())) { | |
2685 | dout(15) << "passing waiter up tree" << dendl; | |
2686 | parent->dir->add_waiter(tag, c); | |
2687 | return; | |
2688 | } | |
2689 | dout(15) << "taking waiter here" << dendl; | |
2690 | MDSCacheObject::add_waiter(tag, c); | |
2691 | } | |
2692 | ||
11fdf7f2 | 2693 | void CInode::take_waiting(uint64_t mask, MDSContext::vec& ls) |
7c673cae FG |
2694 | { |
2695 | if ((mask & WAIT_DIR) && !waiting_on_dir.empty()) { | |
2696 | // take all dentry waiters | |
2697 | while (!waiting_on_dir.empty()) { | |
94b18763 FG |
2698 | auto it = waiting_on_dir.begin(); |
2699 | dout(10) << __func__ << " dirfrag " << it->first << " on " << *this << dendl; | |
11fdf7f2 TL |
2700 | auto& waiting = it->second; |
2701 | ls.insert(ls.end(), waiting.begin(), waiting.end()); | |
94b18763 | 2702 | waiting_on_dir.erase(it); |
7c673cae FG |
2703 | } |
2704 | put(PIN_DIRWAITER); | |
2705 | } | |
2706 | ||
2707 | // waiting | |
2708 | MDSCacheObject::take_waiting(mask, ls); | |
2709 | } | |
2710 | ||
9f95a23c TL |
2711 | void CInode::maybe_finish_freeze_inode() |
2712 | { | |
2713 | CDir *dir = get_parent_dir(); | |
2714 | if (auth_pins > auth_pin_freeze_allowance || dir->frozen_inode_suppressed) | |
2715 | return; | |
2716 | ||
2717 | dout(10) << "maybe_finish_freeze_inode - frozen" << dendl; | |
2718 | ceph_assert(auth_pins == auth_pin_freeze_allowance); | |
2719 | get(PIN_FROZEN); | |
2720 | put(PIN_FREEZING); | |
2721 | state_clear(STATE_FREEZING); | |
2722 | state_set(STATE_FROZEN); | |
2723 | ||
2724 | item_freezing_inode.remove_myself(); | |
2725 | dir->num_frozen_inodes++; | |
2726 | ||
2727 | finish_waiting(WAIT_FROZEN); | |
2728 | } | |
2729 | ||
7c673cae FG |
2730 | bool CInode::freeze_inode(int auth_pin_allowance) |
2731 | { | |
9f95a23c TL |
2732 | CDir *dir = get_parent_dir(); |
2733 | ceph_assert(dir); | |
2734 | ||
11fdf7f2 TL |
2735 | ceph_assert(auth_pin_allowance > 0); // otherwise we need to adjust parent's nested_auth_pins |
2736 | ceph_assert(auth_pins >= auth_pin_allowance); | |
9f95a23c TL |
2737 | if (auth_pins == auth_pin_allowance && !dir->frozen_inode_suppressed) { |
2738 | dout(10) << "freeze_inode - frozen" << dendl; | |
2739 | if (!state_test(STATE_FROZEN)) { | |
2740 | get(PIN_FROZEN); | |
2741 | state_set(STATE_FROZEN); | |
2742 | dir->num_frozen_inodes++; | |
2743 | } | |
2744 | return true; | |
7c673cae FG |
2745 | } |
2746 | ||
9f95a23c TL |
2747 | dout(10) << "freeze_inode - waiting for auth_pins to drop to " << auth_pin_allowance << dendl; |
2748 | auth_pin_freeze_allowance = auth_pin_allowance; | |
2749 | dir->freezing_inodes.push_back(&item_freezing_inode); | |
2750 | ||
2751 | get(PIN_FREEZING); | |
2752 | state_set(STATE_FREEZING); | |
2753 | ||
2754 | if (!dir->lock_caches_with_auth_pins.empty()) | |
2755 | mdcache->mds->locker->invalidate_lock_caches(dir); | |
2756 | ||
2757 | const static int lock_types[] = { | |
2758 | CEPH_LOCK_IVERSION, CEPH_LOCK_IFILE, CEPH_LOCK_IAUTH, CEPH_LOCK_ILINK, CEPH_LOCK_IDFT, | |
2759 | CEPH_LOCK_IXATTR, CEPH_LOCK_ISNAP, CEPH_LOCK_INEST, CEPH_LOCK_IFLOCK, CEPH_LOCK_IPOLICY, 0 | |
2760 | }; | |
2761 | for (int i = 0; lock_types[i]; ++i) { | |
2762 | auto lock = get_lock(lock_types[i]); | |
2763 | if (lock->is_cached()) | |
2764 | mdcache->mds->locker->invalidate_lock_caches(lock); | |
7c673cae | 2765 | } |
9f95a23c TL |
2766 | // invalidate_lock_caches() may decrease dir->frozen_inode_suppressed |
2767 | // and finish freezing the inode | |
2768 | return state_test(STATE_FROZEN); | |
7c673cae FG |
2769 | } |
2770 | ||
11fdf7f2 | 2771 | void CInode::unfreeze_inode(MDSContext::vec& finished) |
7c673cae | 2772 | { |
11fdf7f2 | 2773 | dout(10) << __func__ << dendl; |
7c673cae FG |
2774 | if (state_test(STATE_FREEZING)) { |
2775 | state_clear(STATE_FREEZING); | |
2776 | put(PIN_FREEZING); | |
9f95a23c | 2777 | item_freezing_inode.remove_myself(); |
7c673cae FG |
2778 | } else if (state_test(STATE_FROZEN)) { |
2779 | state_clear(STATE_FROZEN); | |
2780 | put(PIN_FROZEN); | |
9f95a23c | 2781 | get_parent_dir()->num_frozen_inodes--; |
7c673cae FG |
2782 | } else |
2783 | ceph_abort(); | |
2784 | take_waiting(WAIT_UNFREEZE, finished); | |
2785 | } | |
2786 | ||
2787 | void CInode::unfreeze_inode() | |
2788 | { | |
11fdf7f2 | 2789 | MDSContext::vec finished; |
7c673cae FG |
2790 | unfreeze_inode(finished); |
2791 | mdcache->mds->queue_waiters(finished); | |
2792 | } | |
2793 | ||
2794 | void CInode::freeze_auth_pin() | |
2795 | { | |
11fdf7f2 | 2796 | ceph_assert(state_test(CInode::STATE_FROZEN)); |
7c673cae | 2797 | state_set(CInode::STATE_FROZENAUTHPIN); |
9f95a23c | 2798 | get_parent_dir()->num_frozen_inodes++; |
7c673cae FG |
2799 | } |
2800 | ||
2801 | void CInode::unfreeze_auth_pin() | |
2802 | { | |
11fdf7f2 | 2803 | ceph_assert(state_test(CInode::STATE_FROZENAUTHPIN)); |
7c673cae | 2804 | state_clear(CInode::STATE_FROZENAUTHPIN); |
9f95a23c | 2805 | get_parent_dir()->num_frozen_inodes--; |
7c673cae | 2806 | if (!state_test(STATE_FREEZING|STATE_FROZEN)) { |
11fdf7f2 | 2807 | MDSContext::vec finished; |
7c673cae FG |
2808 | take_waiting(WAIT_UNFREEZE, finished); |
2809 | mdcache->mds->queue_waiters(finished); | |
2810 | } | |
2811 | } | |
2812 | ||
11fdf7f2 | 2813 | void CInode::clear_ambiguous_auth(MDSContext::vec& finished) |
7c673cae | 2814 | { |
11fdf7f2 | 2815 | ceph_assert(state_test(CInode::STATE_AMBIGUOUSAUTH)); |
7c673cae FG |
2816 | state_clear(CInode::STATE_AMBIGUOUSAUTH); |
2817 | take_waiting(CInode::WAIT_SINGLEAUTH, finished); | |
2818 | } | |
2819 | ||
2820 | void CInode::clear_ambiguous_auth() | |
2821 | { | |
11fdf7f2 | 2822 | MDSContext::vec finished; |
7c673cae FG |
2823 | clear_ambiguous_auth(finished); |
2824 | mdcache->mds->queue_waiters(finished); | |
2825 | } | |
2826 | ||
2827 | // auth_pins | |
91327a77 AA |
2828 | bool CInode::can_auth_pin(int *err_ret) const { |
2829 | int err; | |
2830 | if (!is_auth()) { | |
2831 | err = ERR_NOT_AUTH; | |
2832 | } else if (is_freezing_inode() || is_frozen_inode() || is_frozen_auth_pin()) { | |
2833 | err = ERR_EXPORTING_INODE; | |
2834 | } else { | |
2835 | if (parent) | |
2836 | return parent->can_auth_pin(err_ret); | |
2837 | err = 0; | |
2838 | } | |
2839 | if (err && err_ret) | |
2840 | *err_ret = err; | |
2841 | return !err; | |
7c673cae FG |
2842 | } |
2843 | ||
2844 | void CInode::auth_pin(void *by) | |
2845 | { | |
2846 | if (auth_pins == 0) | |
2847 | get(PIN_AUTHPIN); | |
2848 | auth_pins++; | |
2849 | ||
2850 | #ifdef MDS_AUTHPIN_SET | |
2851 | auth_pin_set.insert(by); | |
2852 | #endif | |
2853 | ||
11fdf7f2 | 2854 | dout(10) << "auth_pin by " << by << " on " << *this << " now " << auth_pins << dendl; |
7c673cae FG |
2855 | |
2856 | if (parent) | |
11fdf7f2 | 2857 | parent->adjust_nested_auth_pins(1, this); |
7c673cae FG |
2858 | } |
2859 | ||
2860 | void CInode::auth_unpin(void *by) | |
2861 | { | |
2862 | auth_pins--; | |
2863 | ||
2864 | #ifdef MDS_AUTHPIN_SET | |
11fdf7f2 TL |
2865 | { |
2866 | auto it = auth_pin_set.find(by); | |
2867 | ceph_assert(it != auth_pin_set.end()); | |
2868 | auth_pin_set.erase(it); | |
2869 | } | |
7c673cae FG |
2870 | #endif |
2871 | ||
2872 | if (auth_pins == 0) | |
2873 | put(PIN_AUTHPIN); | |
2874 | ||
11fdf7f2 | 2875 | dout(10) << "auth_unpin by " << by << " on " << *this << " now " << auth_pins << dendl; |
7c673cae | 2876 | |
11fdf7f2 | 2877 | ceph_assert(auth_pins >= 0); |
7c673cae FG |
2878 | |
2879 | if (parent) | |
11fdf7f2 | 2880 | parent->adjust_nested_auth_pins(-1, by); |
7c673cae | 2881 | |
9f95a23c TL |
2882 | if (is_freezing_inode()) |
2883 | maybe_finish_freeze_inode(); | |
7c673cae FG |
2884 | } |
2885 | ||
7c673cae FG |
2886 | // authority |
2887 | ||
2888 | mds_authority_t CInode::authority() const | |
2889 | { | |
2890 | if (inode_auth.first >= 0) | |
2891 | return inode_auth; | |
2892 | ||
2893 | if (parent) | |
2894 | return parent->dir->authority(); | |
2895 | ||
2896 | // new items that are not yet linked in (in the committed plane) belong | |
2897 | // to their first parent. | |
2898 | if (!projected_parent.empty()) | |
2899 | return projected_parent.front()->dir->authority(); | |
2900 | ||
2901 | return CDIR_AUTH_UNDEF; | |
2902 | } | |
2903 | ||
2904 | ||
2905 | // SNAP | |
2906 | ||
2907 | snapid_t CInode::get_oldest_snap() | |
2908 | { | |
2909 | snapid_t t = first; | |
2910 | if (!old_inodes.empty()) | |
2911 | t = old_inodes.begin()->second.first; | |
11fdf7f2 | 2912 | return std::min(t, oldest_snap); |
7c673cae FG |
2913 | } |
2914 | ||
94b18763 | 2915 | CInode::mempool_old_inode& CInode::cow_old_inode(snapid_t follows, bool cow_head) |
7c673cae | 2916 | { |
11fdf7f2 | 2917 | ceph_assert(follows >= first); |
7c673cae | 2918 | |
94b18763 FG |
2919 | mempool_inode *pi = cow_head ? get_projected_inode() : get_previous_projected_inode(); |
2920 | mempool_xattr_map *px = cow_head ? get_projected_xattrs() : get_previous_projected_xattrs(); | |
7c673cae | 2921 | |
94b18763 | 2922 | mempool_old_inode &old = old_inodes[follows]; |
7c673cae FG |
2923 | old.first = first; |
2924 | old.inode = *pi; | |
2925 | old.xattrs = *px; | |
2926 | ||
2927 | if (first < oldest_snap) | |
2928 | oldest_snap = first; | |
2929 | ||
2930 | dout(10) << " " << px->size() << " xattrs cowed, " << *px << dendl; | |
2931 | ||
2932 | old.inode.trim_client_ranges(follows); | |
2933 | ||
11fdf7f2 | 2934 | if (g_conf()->mds_snap_rstat && |
7c673cae FG |
2935 | !(old.inode.rstat == old.inode.accounted_rstat)) |
2936 | dirty_old_rstats.insert(follows); | |
2937 | ||
2938 | first = follows+1; | |
2939 | ||
11fdf7f2 | 2940 | dout(10) << __func__ << " " << (cow_head ? "head" : "previous_head" ) |
7c673cae FG |
2941 | << " to [" << old.first << "," << follows << "] on " |
2942 | << *this << dendl; | |
2943 | ||
2944 | return old; | |
2945 | } | |
2946 | ||
2947 | void CInode::split_old_inode(snapid_t snap) | |
2948 | { | |
94b18763 | 2949 | auto it = old_inodes.lower_bound(snap); |
11fdf7f2 | 2950 | ceph_assert(it != old_inodes.end() && it->second.first < snap); |
7c673cae | 2951 | |
94b18763 FG |
2952 | mempool_old_inode &old = old_inodes[snap - 1]; |
2953 | old = it->second; | |
7c673cae | 2954 | |
94b18763 FG |
2955 | it->second.first = snap; |
2956 | dout(10) << __func__ << " " << "[" << old.first << "," << it->first | |
2957 | << "] to [" << snap << "," << it->first << "] on " << *this << dendl; | |
7c673cae FG |
2958 | } |
2959 | ||
2960 | void CInode::pre_cow_old_inode() | |
2961 | { | |
11fdf7f2 | 2962 | snapid_t follows = mdcache->get_global_snaprealm()->get_newest_seq(); |
7c673cae FG |
2963 | if (first <= follows) |
2964 | cow_old_inode(follows, true); | |
2965 | } | |
2966 | ||
11fdf7f2 TL |
2967 | bool CInode::has_snap_data(snapid_t snapid) |
2968 | { | |
2969 | bool found = snapid >= first && snapid <= last; | |
2970 | if (!found && is_multiversion()) { | |
2971 | auto p = old_inodes.lower_bound(snapid); | |
2972 | if (p != old_inodes.end()) { | |
2973 | if (p->second.first > snapid) { | |
2974 | if (p != old_inodes.begin()) | |
2975 | --p; | |
2976 | } | |
2977 | if (p->second.first <= snapid && snapid <= p->first) { | |
2978 | found = true; | |
2979 | } | |
2980 | } | |
2981 | } | |
2982 | return found; | |
2983 | } | |
2984 | ||
7c673cae FG |
2985 | void CInode::purge_stale_snap_data(const set<snapid_t>& snaps) |
2986 | { | |
11fdf7f2 | 2987 | dout(10) << __func__ << " " << snaps << dendl; |
7c673cae | 2988 | |
94b18763 FG |
2989 | for (auto it = old_inodes.begin(); it != old_inodes.end(); ) { |
2990 | const snapid_t &id = it->first; | |
2991 | const auto &s = snaps.lower_bound(it->second.first); | |
2992 | if (s == snaps.end() || *s > id) { | |
2993 | dout(10) << " purging old_inode [" << it->second.first << "," << id << "]" << dendl; | |
2994 | it = old_inodes.erase(it); | |
2995 | } else { | |
2996 | ++it; | |
2997 | } | |
7c673cae FG |
2998 | } |
2999 | } | |
3000 | ||
3001 | /* | |
3002 | * pick/create an old_inode | |
3003 | */ | |
94b18763 | 3004 | CInode::mempool_old_inode * CInode::pick_old_inode(snapid_t snap) |
7c673cae | 3005 | { |
94b18763 FG |
3006 | auto it = old_inodes.lower_bound(snap); // p is first key >= to snap |
3007 | if (it != old_inodes.end() && it->second.first <= snap) { | |
3008 | dout(10) << __func__ << " snap " << snap << " -> [" << it->second.first << "," << it->first << "]" << dendl; | |
3009 | return &it->second; | |
7c673cae | 3010 | } |
11fdf7f2 | 3011 | dout(10) << __func__ << " snap " << snap << " -> nothing" << dendl; |
7c673cae FG |
3012 | return NULL; |
3013 | } | |
3014 | ||
3015 | void CInode::open_snaprealm(bool nosplit) | |
3016 | { | |
3017 | if (!snaprealm) { | |
3018 | SnapRealm *parent = find_snaprealm(); | |
3019 | snaprealm = new SnapRealm(mdcache, this); | |
3020 | if (parent) { | |
11fdf7f2 | 3021 | dout(10) << __func__ << " " << snaprealm |
7c673cae FG |
3022 | << " parent is " << parent |
3023 | << dendl; | |
3024 | dout(30) << " siblings are " << parent->open_children << dendl; | |
3025 | snaprealm->parent = parent; | |
3026 | if (!nosplit) | |
3027 | parent->split_at(snaprealm); | |
3028 | parent->open_children.insert(snaprealm); | |
3029 | } | |
3030 | } | |
3031 | } | |
3032 | void CInode::close_snaprealm(bool nojoin) | |
3033 | { | |
3034 | if (snaprealm) { | |
11fdf7f2 | 3035 | dout(15) << __func__ << " " << *snaprealm << dendl; |
7c673cae FG |
3036 | snaprealm->close_parents(); |
3037 | if (snaprealm->parent) { | |
3038 | snaprealm->parent->open_children.erase(snaprealm); | |
3039 | //if (!nojoin) | |
3040 | //snaprealm->parent->join(snaprealm); | |
3041 | } | |
3042 | delete snaprealm; | |
3043 | snaprealm = 0; | |
3044 | } | |
3045 | } | |
3046 | ||
3047 | SnapRealm *CInode::find_snaprealm() const | |
3048 | { | |
3049 | const CInode *cur = this; | |
3050 | while (!cur->snaprealm) { | |
11fdf7f2 TL |
3051 | const CDentry *pdn = cur->get_oldest_parent_dn(); |
3052 | if (!pdn) | |
7c673cae | 3053 | break; |
11fdf7f2 | 3054 | cur = pdn->get_dir()->get_inode(); |
7c673cae FG |
3055 | } |
3056 | return cur->snaprealm; | |
3057 | } | |
3058 | ||
3059 | void CInode::encode_snap_blob(bufferlist &snapbl) | |
3060 | { | |
3061 | if (snaprealm) { | |
11fdf7f2 TL |
3062 | using ceph::encode; |
3063 | encode(snaprealm->srnode, snapbl); | |
3064 | dout(20) << __func__ << " " << *snaprealm << dendl; | |
7c673cae FG |
3065 | } |
3066 | } | |
11fdf7f2 | 3067 | void CInode::decode_snap_blob(const bufferlist& snapbl) |
7c673cae | 3068 | { |
11fdf7f2 | 3069 | using ceph::decode; |
7c673cae FG |
3070 | if (snapbl.length()) { |
3071 | open_snaprealm(); | |
11fdf7f2 TL |
3072 | auto old_flags = snaprealm->srnode.flags; |
3073 | auto p = snapbl.cbegin(); | |
3074 | decode(snaprealm->srnode, p); | |
7c673cae FG |
3075 | if (is_base()) { |
3076 | bool ok = snaprealm->_open_parents(NULL); | |
11fdf7f2 TL |
3077 | ceph_assert(ok); |
3078 | } else { | |
3079 | if ((snaprealm->srnode.flags ^ old_flags) & sr_t::PARENT_GLOBAL) { | |
3080 | snaprealm->close_parents(); | |
3081 | snaprealm->adjust_parent(); | |
3082 | } | |
7c673cae | 3083 | } |
11fdf7f2 | 3084 | dout(20) << __func__ << " " << *snaprealm << dendl; |
92f5a8d4 TL |
3085 | } else if (snaprealm && |
3086 | !is_root() && !is_mdsdir()) { // see https://tracker.ceph.com/issues/42675 | |
11fdf7f2 TL |
3087 | ceph_assert(mdcache->mds->is_any_replay()); |
3088 | snaprealm->merge_to(NULL); | |
7c673cae FG |
3089 | } |
3090 | } | |
3091 | ||
3092 | void CInode::encode_snap(bufferlist& bl) | |
3093 | { | |
9f95a23c | 3094 | ENCODE_START(1, 1, bl); |
7c673cae FG |
3095 | bufferlist snapbl; |
3096 | encode_snap_blob(snapbl); | |
11fdf7f2 TL |
3097 | encode(snapbl, bl); |
3098 | encode(oldest_snap, bl); | |
9f95a23c | 3099 | ENCODE_FINISH(bl); |
11fdf7f2 | 3100 | } |
7c673cae | 3101 | |
11fdf7f2 | 3102 | void CInode::decode_snap(bufferlist::const_iterator& p) |
7c673cae | 3103 | { |
9f95a23c | 3104 | DECODE_START(1, p); |
7c673cae | 3105 | bufferlist snapbl; |
11fdf7f2 TL |
3106 | decode(snapbl, p); |
3107 | decode(oldest_snap, p); | |
7c673cae | 3108 | decode_snap_blob(snapbl); |
9f95a23c | 3109 | DECODE_FINISH(p); |
7c673cae FG |
3110 | } |
3111 | ||
3112 | // ============================================= | |
3113 | ||
3114 | client_t CInode::calc_ideal_loner() | |
3115 | { | |
3116 | if (mdcache->is_readonly()) | |
3117 | return -1; | |
11fdf7f2 | 3118 | if (!get_mds_caps_wanted().empty()) |
7c673cae FG |
3119 | return -1; |
3120 | ||
3121 | int n = 0; | |
3122 | client_t loner = -1; | |
11fdf7f2 TL |
3123 | for (const auto &p : client_caps) { |
3124 | if (!p.second.is_stale() && | |
9f95a23c TL |
3125 | (is_dir() ? |
3126 | !has_subtree_or_exporting_dirfrag() : | |
3127 | (p.second.wanted() & (CEPH_CAP_ANY_WR|CEPH_CAP_FILE_RD)))) { | |
7c673cae FG |
3128 | if (n) |
3129 | return -1; | |
3130 | n++; | |
11fdf7f2 | 3131 | loner = p.first; |
7c673cae | 3132 | } |
11fdf7f2 | 3133 | } |
7c673cae FG |
3134 | return loner; |
3135 | } | |
3136 | ||
b32b8144 | 3137 | bool CInode::choose_ideal_loner() |
7c673cae FG |
3138 | { |
3139 | want_loner_cap = calc_ideal_loner(); | |
b32b8144 FG |
3140 | int changed = false; |
3141 | if (loner_cap >= 0 && loner_cap != want_loner_cap) { | |
3142 | if (!try_drop_loner()) | |
3143 | return false; | |
3144 | changed = true; | |
3145 | } | |
3146 | ||
3147 | if (want_loner_cap >= 0) { | |
3148 | if (loner_cap < 0) { | |
3149 | set_loner_cap(want_loner_cap); | |
3150 | changed = true; | |
3151 | } else | |
11fdf7f2 | 3152 | ceph_assert(loner_cap == want_loner_cap); |
b32b8144 FG |
3153 | } |
3154 | return changed; | |
7c673cae FG |
3155 | } |
3156 | ||
3157 | bool CInode::try_set_loner() | |
3158 | { | |
11fdf7f2 | 3159 | ceph_assert(want_loner_cap >= 0); |
7c673cae FG |
3160 | if (loner_cap >= 0 && loner_cap != want_loner_cap) |
3161 | return false; | |
3162 | set_loner_cap(want_loner_cap); | |
3163 | return true; | |
3164 | } | |
3165 | ||
3166 | void CInode::set_loner_cap(client_t l) | |
3167 | { | |
3168 | loner_cap = l; | |
3169 | authlock.set_excl_client(loner_cap); | |
3170 | filelock.set_excl_client(loner_cap); | |
3171 | linklock.set_excl_client(loner_cap); | |
3172 | xattrlock.set_excl_client(loner_cap); | |
3173 | } | |
3174 | ||
3175 | bool CInode::try_drop_loner() | |
3176 | { | |
3177 | if (loner_cap < 0) | |
3178 | return true; | |
3179 | ||
3180 | int other_allowed = get_caps_allowed_by_type(CAP_ANY); | |
3181 | Capability *cap = get_client_cap(loner_cap); | |
3182 | if (!cap || | |
3183 | (cap->issued() & ~other_allowed) == 0) { | |
3184 | set_loner_cap(-1); | |
3185 | return true; | |
3186 | } | |
3187 | return false; | |
3188 | } | |
3189 | ||
3190 | ||
3191 | // choose new lock state during recovery, based on issued caps | |
3192 | void CInode::choose_lock_state(SimpleLock *lock, int allissued) | |
3193 | { | |
3194 | int shift = lock->get_cap_shift(); | |
3195 | int issued = (allissued >> shift) & lock->get_cap_mask(); | |
3196 | if (is_auth()) { | |
3197 | if (lock->is_xlocked()) { | |
3198 | // do nothing here | |
3199 | } else if (lock->get_state() != LOCK_MIX) { | |
3200 | if (issued & (CEPH_CAP_GEXCL | CEPH_CAP_GBUFFER)) | |
3201 | lock->set_state(LOCK_EXCL); | |
f6b5b4d7 TL |
3202 | else if (issued & CEPH_CAP_GWR) { |
3203 | if (issued & (CEPH_CAP_GCACHE | CEPH_CAP_GSHARED)) | |
3204 | lock->set_state(LOCK_EXCL); | |
3205 | else | |
3206 | lock->set_state(LOCK_MIX); | |
3207 | } else if (lock->is_dirty()) { | |
7c673cae FG |
3208 | if (is_replicated()) |
3209 | lock->set_state(LOCK_MIX); | |
3210 | else | |
3211 | lock->set_state(LOCK_LOCK); | |
3212 | } else | |
3213 | lock->set_state(LOCK_SYNC); | |
3214 | } | |
3215 | } else { | |
3216 | // our states have already been chosen during rejoin. | |
3217 | if (lock->is_xlocked()) | |
11fdf7f2 | 3218 | ceph_assert(lock->get_state() == LOCK_LOCK); |
7c673cae FG |
3219 | } |
3220 | } | |
3221 | ||
3222 | void CInode::choose_lock_states(int dirty_caps) | |
3223 | { | |
3224 | int issued = get_caps_issued() | dirty_caps; | |
b32b8144 FG |
3225 | if (is_auth() && (issued & (CEPH_CAP_ANY_EXCL|CEPH_CAP_ANY_WR))) |
3226 | choose_ideal_loner(); | |
7c673cae FG |
3227 | choose_lock_state(&filelock, issued); |
3228 | choose_lock_state(&nestlock, issued); | |
3229 | choose_lock_state(&dirfragtreelock, issued); | |
3230 | choose_lock_state(&authlock, issued); | |
3231 | choose_lock_state(&xattrlock, issued); | |
3232 | choose_lock_state(&linklock, issued); | |
3233 | } | |
3234 | ||
9f95a23c TL |
3235 | int CInode::count_nonstale_caps() |
3236 | { | |
3237 | int n = 0; | |
3238 | for (const auto &p : client_caps) { | |
3239 | if (!p.second.is_stale()) | |
3240 | n++; | |
3241 | } | |
3242 | return n; | |
3243 | } | |
3244 | ||
3245 | bool CInode::multiple_nonstale_caps() | |
3246 | { | |
3247 | int n = 0; | |
3248 | for (const auto &p : client_caps) { | |
3249 | if (!p.second.is_stale()) { | |
3250 | if (n) | |
3251 | return true; | |
3252 | n++; | |
3253 | } | |
3254 | } | |
3255 | return false; | |
3256 | } | |
3257 | ||
11fdf7f2 TL |
3258 | void CInode::set_mds_caps_wanted(mempool::mds_co::compact_map<int32_t,int32_t>& m) |
3259 | { | |
3260 | bool old_empty = mds_caps_wanted.empty(); | |
3261 | mds_caps_wanted.swap(m); | |
3262 | if (old_empty != (bool)mds_caps_wanted.empty()) { | |
3263 | if (old_empty) | |
f91f0fd5 | 3264 | adjust_num_caps_notable(1); |
11fdf7f2 | 3265 | else |
f91f0fd5 | 3266 | adjust_num_caps_notable(-1); |
11fdf7f2 TL |
3267 | } |
3268 | } | |
3269 | ||
3270 | void CInode::set_mds_caps_wanted(mds_rank_t mds, int32_t wanted) | |
3271 | { | |
3272 | bool old_empty = mds_caps_wanted.empty(); | |
3273 | if (wanted) { | |
3274 | mds_caps_wanted[mds] = wanted; | |
3275 | if (old_empty) | |
f91f0fd5 | 3276 | adjust_num_caps_notable(1); |
11fdf7f2 TL |
3277 | } else if (!old_empty) { |
3278 | mds_caps_wanted.erase(mds); | |
3279 | if (mds_caps_wanted.empty()) | |
f91f0fd5 | 3280 | adjust_num_caps_notable(-1); |
11fdf7f2 TL |
3281 | } |
3282 | } | |
3283 | ||
9f95a23c TL |
3284 | Capability *CInode::add_client_cap(client_t client, Session *session, |
3285 | SnapRealm *conrealm, bool new_inode) | |
7c673cae | 3286 | { |
11fdf7f2 | 3287 | ceph_assert(last == CEPH_NOSNAP); |
7c673cae FG |
3288 | if (client_caps.empty()) { |
3289 | get(PIN_CAPS); | |
3290 | if (conrealm) | |
3291 | containing_realm = conrealm; | |
3292 | else | |
3293 | containing_realm = find_snaprealm(); | |
3294 | containing_realm->inodes_with_caps.push_back(&item_caps); | |
11fdf7f2 | 3295 | dout(10) << __func__ << " first cap, joining realm " << *containing_realm << dendl; |
7c673cae | 3296 | |
7c673cae | 3297 | mdcache->num_inodes_with_caps++; |
11fdf7f2 TL |
3298 | if (parent) |
3299 | parent->dir->adjust_num_inodes_with_caps(1); | |
3300 | } | |
3301 | ||
9f95a23c | 3302 | uint64_t cap_id = new_inode ? 1 : ++mdcache->last_cap_id; |
11fdf7f2 TL |
3303 | auto ret = client_caps.emplace(std::piecewise_construct, std::forward_as_tuple(client), |
3304 | std::forward_as_tuple(this, session, cap_id)); | |
3305 | ceph_assert(ret.second == true); | |
3306 | Capability *cap = &ret.first->second; | |
7c673cae | 3307 | |
7c673cae | 3308 | cap->client_follows = first-1; |
7c673cae | 3309 | containing_realm->add_cap(client, cap); |
11fdf7f2 | 3310 | |
7c673cae FG |
3311 | return cap; |
3312 | } | |
3313 | ||
3314 | void CInode::remove_client_cap(client_t client) | |
3315 | { | |
11fdf7f2 TL |
3316 | auto it = client_caps.find(client); |
3317 | ceph_assert(it != client_caps.end()); | |
3318 | Capability *cap = &it->second; | |
7c673cae FG |
3319 | |
3320 | cap->item_session_caps.remove_myself(); | |
3321 | cap->item_revoking_caps.remove_myself(); | |
3322 | cap->item_client_revoking_caps.remove_myself(); | |
3323 | containing_realm->remove_cap(client, cap); | |
3324 | ||
3325 | if (client == loner_cap) | |
3326 | loner_cap = -1; | |
3327 | ||
f91f0fd5 TL |
3328 | if (cap->is_wanted_notable()) |
3329 | adjust_num_caps_notable(-1); | |
11fdf7f2 TL |
3330 | |
3331 | client_caps.erase(it); | |
7c673cae | 3332 | if (client_caps.empty()) { |
11fdf7f2 | 3333 | dout(10) << __func__ << " last cap, leaving realm " << *containing_realm << dendl; |
7c673cae FG |
3334 | put(PIN_CAPS); |
3335 | item_caps.remove_myself(); | |
3336 | containing_realm = NULL; | |
7c673cae | 3337 | mdcache->num_inodes_with_caps--; |
11fdf7f2 TL |
3338 | if (parent) |
3339 | parent->dir->adjust_num_inodes_with_caps(-1); | |
7c673cae FG |
3340 | } |
3341 | ||
3342 | //clean up advisory locks | |
3343 | bool fcntl_removed = fcntl_locks ? fcntl_locks->remove_all_from(client) : false; | |
3344 | bool flock_removed = flock_locks ? flock_locks->remove_all_from(client) : false; | |
3345 | if (fcntl_removed || flock_removed) { | |
11fdf7f2 | 3346 | MDSContext::vec waiters; |
7c673cae FG |
3347 | take_waiting(CInode::WAIT_FLOCK, waiters); |
3348 | mdcache->mds->queue_waiters(waiters); | |
3349 | } | |
3350 | } | |
3351 | ||
3352 | void CInode::move_to_realm(SnapRealm *realm) | |
3353 | { | |
11fdf7f2 | 3354 | dout(10) << __func__ << " joining realm " << *realm |
7c673cae | 3355 | << ", leaving realm " << *containing_realm << dendl; |
11fdf7f2 TL |
3356 | for (auto& p : client_caps) { |
3357 | containing_realm->remove_cap(p.first, &p.second); | |
3358 | realm->add_cap(p.first, &p.second); | |
7c673cae FG |
3359 | } |
3360 | item_caps.remove_myself(); | |
3361 | realm->inodes_with_caps.push_back(&item_caps); | |
3362 | containing_realm = realm; | |
3363 | } | |
3364 | ||
3365 | Capability *CInode::reconnect_cap(client_t client, const cap_reconnect_t& icr, Session *session) | |
3366 | { | |
3367 | Capability *cap = get_client_cap(client); | |
3368 | if (cap) { | |
3369 | // FIXME? | |
3370 | cap->merge(icr.capinfo.wanted, icr.capinfo.issued); | |
3371 | } else { | |
3372 | cap = add_client_cap(client, session); | |
3373 | cap->set_cap_id(icr.capinfo.cap_id); | |
3374 | cap->set_wanted(icr.capinfo.wanted); | |
3375 | cap->issue_norevoke(icr.capinfo.issued); | |
3376 | cap->reset_seq(); | |
3377 | } | |
3378 | cap->set_last_issue_stamp(ceph_clock_now()); | |
3379 | return cap; | |
3380 | } | |
3381 | ||
3382 | void CInode::clear_client_caps_after_export() | |
3383 | { | |
3384 | while (!client_caps.empty()) | |
3385 | remove_client_cap(client_caps.begin()->first); | |
3386 | loner_cap = -1; | |
3387 | want_loner_cap = -1; | |
11fdf7f2 TL |
3388 | if (!get_mds_caps_wanted().empty()) { |
3389 | mempool::mds_co::compact_map<int32_t,int32_t> empty; | |
3390 | set_mds_caps_wanted(empty); | |
3391 | } | |
7c673cae FG |
3392 | } |
3393 | ||
3394 | void CInode::export_client_caps(map<client_t,Capability::Export>& cl) | |
3395 | { | |
11fdf7f2 TL |
3396 | for (const auto &p : client_caps) { |
3397 | cl[p.first] = p.second.make_export(); | |
7c673cae FG |
3398 | } |
3399 | } | |
3400 | ||
3401 | // caps allowed | |
3402 | int CInode::get_caps_liked() const | |
3403 | { | |
3404 | if (is_dir()) | |
3405 | return CEPH_CAP_PIN | CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_SHARED; // but not, say, FILE_RD|WR|WRBUFFER | |
3406 | else | |
3407 | return CEPH_CAP_ANY & ~CEPH_CAP_FILE_LAZYIO; | |
3408 | } | |
3409 | ||
3410 | int CInode::get_caps_allowed_ever() const | |
3411 | { | |
3412 | int allowed; | |
3413 | if (is_dir()) | |
3414 | allowed = CEPH_CAP_PIN | CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_SHARED; | |
3415 | else | |
3416 | allowed = CEPH_CAP_ANY; | |
3417 | return allowed & | |
3418 | (CEPH_CAP_PIN | | |
3419 | (filelock.gcaps_allowed_ever() << filelock.get_cap_shift()) | | |
3420 | (authlock.gcaps_allowed_ever() << authlock.get_cap_shift()) | | |
3421 | (xattrlock.gcaps_allowed_ever() << xattrlock.get_cap_shift()) | | |
3422 | (linklock.gcaps_allowed_ever() << linklock.get_cap_shift())); | |
3423 | } | |
3424 | ||
3425 | int CInode::get_caps_allowed_by_type(int type) const | |
3426 | { | |
3427 | return | |
3428 | CEPH_CAP_PIN | | |
3429 | (filelock.gcaps_allowed(type) << filelock.get_cap_shift()) | | |
3430 | (authlock.gcaps_allowed(type) << authlock.get_cap_shift()) | | |
3431 | (xattrlock.gcaps_allowed(type) << xattrlock.get_cap_shift()) | | |
3432 | (linklock.gcaps_allowed(type) << linklock.get_cap_shift()); | |
3433 | } | |
3434 | ||
3435 | int CInode::get_caps_careful() const | |
3436 | { | |
3437 | return | |
3438 | (filelock.gcaps_careful() << filelock.get_cap_shift()) | | |
3439 | (authlock.gcaps_careful() << authlock.get_cap_shift()) | | |
3440 | (xattrlock.gcaps_careful() << xattrlock.get_cap_shift()) | | |
3441 | (linklock.gcaps_careful() << linklock.get_cap_shift()); | |
3442 | } | |
3443 | ||
3444 | int CInode::get_xlocker_mask(client_t client) const | |
3445 | { | |
3446 | return | |
3447 | (filelock.gcaps_xlocker_mask(client) << filelock.get_cap_shift()) | | |
3448 | (authlock.gcaps_xlocker_mask(client) << authlock.get_cap_shift()) | | |
3449 | (xattrlock.gcaps_xlocker_mask(client) << xattrlock.get_cap_shift()) | | |
3450 | (linklock.gcaps_xlocker_mask(client) << linklock.get_cap_shift()); | |
3451 | } | |
3452 | ||
11fdf7f2 TL |
3453 | int CInode::get_caps_allowed_for_client(Session *session, Capability *cap, |
3454 | mempool_inode *file_i) const | |
7c673cae | 3455 | { |
11fdf7f2 | 3456 | client_t client = session->get_client(); |
7c673cae FG |
3457 | int allowed; |
3458 | if (client == get_loner()) { | |
3459 | // as the loner, we get the loner_caps AND any xlocker_caps for things we have xlocked | |
3460 | allowed = | |
3461 | get_caps_allowed_by_type(CAP_LONER) | | |
3462 | (get_caps_allowed_by_type(CAP_XLOCKER) & get_xlocker_mask(client)); | |
3463 | } else { | |
3464 | allowed = get_caps_allowed_by_type(CAP_ANY); | |
3465 | } | |
3466 | ||
9f95a23c TL |
3467 | if (is_dir()) { |
3468 | allowed &= ~CEPH_CAP_ANY_DIR_OPS; | |
3469 | if (cap && (allowed & CEPH_CAP_FILE_EXCL)) | |
3470 | allowed |= cap->get_lock_cache_allowed(); | |
3471 | } else { | |
11fdf7f2 TL |
3472 | if (file_i->inline_data.version == CEPH_INLINE_NONE && |
3473 | file_i->layout.pool_ns.empty()) { | |
3474 | // noop | |
3475 | } else if (cap) { | |
3476 | if ((file_i->inline_data.version != CEPH_INLINE_NONE && | |
3477 | cap->is_noinline()) || | |
3478 | (!file_i->layout.pool_ns.empty() && | |
3479 | cap->is_nopoolns())) | |
3480 | allowed &= ~(CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR); | |
3481 | } else { | |
3482 | auto& conn = session->get_connection(); | |
3483 | if ((file_i->inline_data.version != CEPH_INLINE_NONE && | |
3484 | !conn->has_feature(CEPH_FEATURE_MDS_INLINE_DATA)) || | |
3485 | (!file_i->layout.pool_ns.empty() && | |
3486 | !conn->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2))) | |
3487 | allowed &= ~(CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR); | |
3488 | } | |
7c673cae FG |
3489 | } |
3490 | return allowed; | |
3491 | } | |
3492 | ||
3493 | // caps issued, wanted | |
3494 | int CInode::get_caps_issued(int *ploner, int *pother, int *pxlocker, | |
3495 | int shift, int mask) | |
3496 | { | |
3497 | int c = 0; | |
3498 | int loner = 0, other = 0, xlocker = 0; | |
3499 | if (!is_auth()) { | |
3500 | loner_cap = -1; | |
3501 | } | |
3502 | ||
11fdf7f2 TL |
3503 | for (const auto &p : client_caps) { |
3504 | int i = p.second.issued(); | |
7c673cae | 3505 | c |= i; |
11fdf7f2 | 3506 | if (p.first == loner_cap) |
7c673cae FG |
3507 | loner |= i; |
3508 | else | |
3509 | other |= i; | |
11fdf7f2 | 3510 | xlocker |= get_xlocker_mask(p.first) & i; |
7c673cae FG |
3511 | } |
3512 | if (ploner) *ploner = (loner >> shift) & mask; | |
3513 | if (pother) *pother = (other >> shift) & mask; | |
3514 | if (pxlocker) *pxlocker = (xlocker >> shift) & mask; | |
3515 | return (c >> shift) & mask; | |
3516 | } | |
3517 | ||
3518 | bool CInode::is_any_caps_wanted() const | |
3519 | { | |
11fdf7f2 TL |
3520 | for (const auto &p : client_caps) { |
3521 | if (p.second.wanted()) | |
7c673cae | 3522 | return true; |
11fdf7f2 | 3523 | } |
7c673cae FG |
3524 | return false; |
3525 | } | |
3526 | ||
3527 | int CInode::get_caps_wanted(int *ploner, int *pother, int shift, int mask) const | |
3528 | { | |
3529 | int w = 0; | |
3530 | int loner = 0, other = 0; | |
11fdf7f2 TL |
3531 | for (const auto &p : client_caps) { |
3532 | if (!p.second.is_stale()) { | |
3533 | int t = p.second.wanted(); | |
7c673cae | 3534 | w |= t; |
11fdf7f2 | 3535 | if (p.first == loner_cap) |
7c673cae FG |
3536 | loner |= t; |
3537 | else | |
3538 | other |= t; | |
3539 | } | |
3540 | //cout << " get_caps_wanted client " << it->first << " " << cap_string(it->second.wanted()) << endl; | |
3541 | } | |
3542 | if (is_auth()) | |
94b18763 FG |
3543 | for (const auto &p : mds_caps_wanted) { |
3544 | w |= p.second; | |
3545 | other |= p.second; | |
7c673cae FG |
3546 | //cout << " get_caps_wanted mds " << it->first << " " << cap_string(it->second) << endl; |
3547 | } | |
3548 | if (ploner) *ploner = (loner >> shift) & mask; | |
3549 | if (pother) *pother = (other >> shift) & mask; | |
3550 | return (w >> shift) & mask; | |
3551 | } | |
3552 | ||
3553 | bool CInode::issued_caps_need_gather(SimpleLock *lock) | |
3554 | { | |
3555 | int loner_issued, other_issued, xlocker_issued; | |
3556 | get_caps_issued(&loner_issued, &other_issued, &xlocker_issued, | |
3557 | lock->get_cap_shift(), lock->get_cap_mask()); | |
3558 | if ((loner_issued & ~lock->gcaps_allowed(CAP_LONER)) || | |
3559 | (other_issued & ~lock->gcaps_allowed(CAP_ANY)) || | |
3560 | (xlocker_issued & ~lock->gcaps_allowed(CAP_XLOCKER))) | |
3561 | return true; | |
3562 | return false; | |
3563 | } | |
3564 | ||
f91f0fd5 TL |
3565 | void CInode::adjust_num_caps_notable(int d) |
3566 | { | |
3567 | if (!is_clientwriteable()) { | |
3568 | if (!num_caps_notable && d > 0) | |
3569 | mdcache->open_file_table.add_inode(this); | |
3570 | else if (num_caps_notable > 0 && num_caps_notable == -d) | |
3571 | mdcache->open_file_table.remove_inode(this); | |
3572 | } | |
3573 | ||
3574 | num_caps_notable +=d; | |
3575 | ceph_assert(num_caps_notable >= 0); | |
3576 | } | |
3577 | ||
3578 | void CInode::mark_clientwriteable() | |
3579 | { | |
3580 | if (last != CEPH_NOSNAP) | |
3581 | return; | |
3582 | if (!state_test(STATE_CLIENTWRITEABLE)) { | |
3583 | if (num_caps_notable == 0) | |
3584 | mdcache->open_file_table.add_inode(this); | |
3585 | state_set(STATE_CLIENTWRITEABLE); | |
3586 | } | |
3587 | } | |
3588 | ||
3589 | void CInode::clear_clientwriteable() | |
3590 | { | |
3591 | if (state_test(STATE_CLIENTWRITEABLE)) { | |
3592 | if (num_caps_notable == 0) | |
3593 | mdcache->open_file_table.remove_inode(this); | |
3594 | state_clear(STATE_CLIENTWRITEABLE); | |
3595 | } | |
3596 | } | |
7c673cae FG |
3597 | |
3598 | // ============================================= | |
3599 | ||
3600 | int CInode::encode_inodestat(bufferlist& bl, Session *session, | |
3601 | SnapRealm *dir_realm, | |
3602 | snapid_t snapid, | |
3603 | unsigned max_bytes, | |
3604 | int getattr_caps) | |
3605 | { | |
11fdf7f2 TL |
3606 | client_t client = session->get_client(); |
3607 | ceph_assert(snapid); | |
7c673cae FG |
3608 | |
3609 | bool valid = true; | |
3610 | ||
3611 | // pick a version! | |
94b18763 FG |
3612 | mempool_inode *oi = &inode; |
3613 | mempool_inode *pi = get_projected_inode(); | |
7c673cae | 3614 | |
94b18763 | 3615 | CInode::mempool_xattr_map *pxattrs = nullptr; |
7c673cae FG |
3616 | |
3617 | if (snapid != CEPH_NOSNAP) { | |
3618 | ||
3619 | // for now at least, old_inodes is only defined/valid on the auth | |
3620 | if (!is_auth()) | |
3621 | valid = false; | |
3622 | ||
3623 | if (is_multiversion()) { | |
94b18763 FG |
3624 | auto it = old_inodes.lower_bound(snapid); |
3625 | if (it != old_inodes.end()) { | |
3626 | if (it->second.first > snapid) { | |
3627 | if (it != old_inodes.begin()) | |
3628 | --it; | |
7c673cae | 3629 | } |
94b18763 FG |
3630 | if (it->second.first <= snapid && snapid <= it->first) { |
3631 | dout(15) << __func__ << " snapid " << snapid | |
3632 | << " to old_inode [" << it->second.first << "," << it->first << "]" | |
3633 | << " " << it->second.inode.rstat | |
7c673cae | 3634 | << dendl; |
94b18763 FG |
3635 | auto &p = it->second; |
3636 | pi = oi = &p.inode; | |
3637 | pxattrs = &p.xattrs; | |
7c673cae FG |
3638 | } else { |
3639 | // snapshoted remote dentry can result this | |
11fdf7f2 | 3640 | dout(0) << __func__ << " old_inode for snapid " << snapid |
7c673cae FG |
3641 | << " not found" << dendl; |
3642 | } | |
3643 | } | |
3644 | } else if (snapid < first || snapid > last) { | |
3645 | // snapshoted remote dentry can result this | |
11fdf7f2 | 3646 | dout(0) << __func__ << " [" << first << "," << last << "]" |
7c673cae FG |
3647 | << " not match snapid " << snapid << dendl; |
3648 | } | |
3649 | } | |
3650 | ||
81eedcae | 3651 | utime_t snap_btime; |
7c673cae | 3652 | SnapRealm *realm = find_snaprealm(); |
81eedcae TL |
3653 | if (snapid != CEPH_NOSNAP && realm) { |
3654 | // add snapshot timestamp vxattr | |
3655 | map<snapid_t,const SnapInfo*> infomap; | |
3656 | realm->get_snap_info(infomap, | |
3657 | snapid, // min | |
3658 | snapid); // max | |
3659 | if (!infomap.empty()) { | |
3660 | ceph_assert(infomap.size() == 1); | |
3661 | const SnapInfo *si = infomap.begin()->second; | |
3662 | snap_btime = si->stamp; | |
3663 | } | |
3664 | } | |
3665 | ||
7c673cae FG |
3666 | |
3667 | bool no_caps = !valid || | |
3668 | session->is_stale() || | |
3669 | (dir_realm && realm != dir_realm) || | |
3670 | is_frozen() || | |
3671 | state_test(CInode::STATE_EXPORTINGCAPS); | |
3672 | if (no_caps) | |
11fdf7f2 | 3673 | dout(20) << __func__ << " no caps" |
7c673cae FG |
3674 | << (!valid?", !valid":"") |
3675 | << (session->is_stale()?", session stale ":"") | |
3676 | << ((dir_realm && realm != dir_realm)?", snaprealm differs ":"") | |
3677 | << (is_frozen()?", frozen inode":"") | |
3678 | << (state_test(CInode::STATE_EXPORTINGCAPS)?", exporting caps":"") | |
3679 | << dendl; | |
3680 | ||
3681 | ||
3682 | // "fake" a version that is old (stable) version, +1 if projected. | |
3683 | version_t version = (oi->version * 2) + is_projected(); | |
3684 | ||
3685 | Capability *cap = get_client_cap(client); | |
3686 | bool pfile = filelock.is_xlocked_by_client(client) || get_loner() == client; | |
3687 | //(cap && (cap->issued() & CEPH_CAP_FILE_EXCL)); | |
3688 | bool pauth = authlock.is_xlocked_by_client(client) || get_loner() == client; | |
3689 | bool plink = linklock.is_xlocked_by_client(client) || get_loner() == client; | |
3690 | bool pxattr = xattrlock.is_xlocked_by_client(client) || get_loner() == client; | |
3691 | ||
3692 | bool plocal = versionlock.get_last_wrlock_client() == client; | |
3693 | bool ppolicy = policylock.is_xlocked_by_client(client) || get_loner()==client; | |
3694 | ||
94b18763 | 3695 | mempool_inode *any_i = (pfile|pauth|plink|pxattr|plocal) ? pi : oi; |
7c673cae FG |
3696 | |
3697 | dout(20) << " pfile " << pfile << " pauth " << pauth | |
3698 | << " plink " << plink << " pxattr " << pxattr | |
3699 | << " plocal " << plocal | |
3700 | << " ctime " << any_i->ctime | |
3701 | << " valid=" << valid << dendl; | |
3702 | ||
3703 | // file | |
94b18763 | 3704 | mempool_inode *file_i = pfile ? pi:oi; |
7c673cae FG |
3705 | file_layout_t layout; |
3706 | if (is_dir()) { | |
3707 | layout = (ppolicy ? pi : oi)->layout; | |
3708 | } else { | |
3709 | layout = file_i->layout; | |
3710 | } | |
3711 | ||
3712 | // max_size is min of projected, actual | |
3713 | uint64_t max_size = | |
f91f0fd5 TL |
3714 | std::min(oi->get_client_range(client), |
3715 | pi->get_client_range(client)); | |
7c673cae FG |
3716 | |
3717 | // inline data | |
3718 | version_t inline_version = 0; | |
3719 | bufferlist inline_data; | |
3720 | if (file_i->inline_data.version == CEPH_INLINE_NONE) { | |
3721 | inline_version = CEPH_INLINE_NONE; | |
3722 | } else if ((!cap && !no_caps) || | |
3723 | (cap && cap->client_inline_version < file_i->inline_data.version) || | |
3724 | (getattr_caps & CEPH_CAP_FILE_RD)) { // client requests inline data | |
3725 | inline_version = file_i->inline_data.version; | |
3726 | if (file_i->inline_data.length() > 0) | |
3727 | inline_data = file_i->inline_data.get_data(); | |
3728 | } | |
3729 | ||
3730 | // nest (do same as file... :/) | |
3731 | if (cap) { | |
3732 | cap->last_rbytes = file_i->rstat.rbytes; | |
3733 | cap->last_rsize = file_i->rstat.rsize(); | |
3734 | } | |
3735 | ||
3736 | // auth | |
94b18763 | 3737 | mempool_inode *auth_i = pauth ? pi:oi; |
7c673cae FG |
3738 | |
3739 | // link | |
94b18763 | 3740 | mempool_inode *link_i = plink ? pi:oi; |
7c673cae FG |
3741 | |
3742 | // xattr | |
94b18763 | 3743 | mempool_inode *xattr_i = pxattr ? pi:oi; |
7c673cae | 3744 | |
11fdf7f2 | 3745 | using ceph::encode; |
7c673cae | 3746 | // xattr |
7c673cae FG |
3747 | version_t xattr_version; |
3748 | if ((!cap && !no_caps) || | |
3749 | (cap && cap->client_xattr_version < xattr_i->xattr_version) || | |
3750 | (getattr_caps & CEPH_CAP_XATTR_SHARED)) { // client requests xattrs | |
3751 | if (!pxattrs) | |
3752 | pxattrs = pxattr ? get_projected_xattrs() : &xattrs; | |
7c673cae FG |
3753 | xattr_version = xattr_i->xattr_version; |
3754 | } else { | |
3755 | xattr_version = 0; | |
3756 | } | |
3757 | ||
3758 | // do we have room? | |
3759 | if (max_bytes) { | |
11fdf7f2 TL |
3760 | unsigned bytes = |
3761 | 8 + 8 + 4 + 8 + 8 + sizeof(ceph_mds_reply_cap) + | |
3762 | sizeof(struct ceph_file_layout) + | |
3763 | sizeof(struct ceph_timespec) * 3 + 4 + // ctime ~ time_warp_seq | |
3764 | 8 + 8 + 8 + 4 + 4 + 4 + 4 + 4 + // size ~ nlink | |
3765 | 8 + 8 + 8 + 8 + 8 + sizeof(struct ceph_timespec) + // dirstat.nfiles ~ rstat.rctime | |
3766 | sizeof(__u32) + sizeof(__u32) * 2 * dirfragtree._splits.size() + // dirfragtree | |
3767 | sizeof(__u32) + symlink.length() + // symlink | |
3768 | sizeof(struct ceph_dir_layout); // dir_layout | |
3769 | ||
3770 | if (xattr_version) { | |
3771 | bytes += sizeof(__u32) + sizeof(__u32); // xattr buffer len + number entries | |
3772 | if (pxattrs) { | |
3773 | for (const auto &p : *pxattrs) | |
3774 | bytes += sizeof(__u32) * 2 + p.first.length() + p.second.length(); | |
3775 | } | |
3776 | } else { | |
3777 | bytes += sizeof(__u32); // xattr buffer len | |
3778 | } | |
3779 | bytes += | |
3780 | sizeof(version_t) + sizeof(__u32) + inline_data.length() + // inline data | |
3781 | 1 + 1 + 8 + 8 + 4 + // quota | |
3782 | 4 + layout.pool_ns.size() + // pool ns | |
3783 | sizeof(struct ceph_timespec) + 8; // btime + change_attr | |
3784 | ||
7c673cae FG |
3785 | if (bytes > max_bytes) |
3786 | return -ENOSPC; | |
3787 | } | |
3788 | ||
3789 | ||
3790 | // encode caps | |
3791 | struct ceph_mds_reply_cap ecap; | |
3792 | if (snapid != CEPH_NOSNAP) { | |
3793 | /* | |
3794 | * snapped inodes (files or dirs) only get read-only caps. always | |
3795 | * issue everything possible, since it is read only. | |
3796 | * | |
3797 | * if a snapped inode has caps, limit issued caps based on the | |
3798 | * lock state. | |
3799 | * | |
3800 | * if it is a live inode, limit issued caps based on the lock | |
3801 | * state. | |
3802 | * | |
3803 | * do NOT adjust cap issued state, because the client always | |
3804 | * tracks caps per-snap and the mds does either per-interval or | |
3805 | * multiversion. | |
3806 | */ | |
3807 | ecap.caps = valid ? get_caps_allowed_by_type(CAP_ANY) : CEPH_STAT_CAP_INODE; | |
3808 | if (last == CEPH_NOSNAP || is_any_caps()) | |
11fdf7f2 | 3809 | ecap.caps = ecap.caps & get_caps_allowed_for_client(session, nullptr, file_i); |
7c673cae FG |
3810 | ecap.seq = 0; |
3811 | ecap.mseq = 0; | |
3812 | ecap.realm = 0; | |
3813 | } else { | |
3814 | if (!no_caps && !cap) { | |
3815 | // add a new cap | |
3816 | cap = add_client_cap(client, session, realm); | |
b32b8144 FG |
3817 | if (is_auth()) |
3818 | choose_ideal_loner(); | |
7c673cae FG |
3819 | } |
3820 | ||
3821 | int issue = 0; | |
3822 | if (!no_caps && cap) { | |
3823 | int likes = get_caps_liked(); | |
11fdf7f2 | 3824 | int allowed = get_caps_allowed_for_client(session, cap, file_i); |
7c673cae | 3825 | issue = (cap->wanted() | likes) & allowed; |
494da23a | 3826 | cap->issue_norevoke(issue, true); |
7c673cae FG |
3827 | issue = cap->pending(); |
3828 | dout(10) << "encode_inodestat issuing " << ccap_string(issue) | |
3829 | << " seq " << cap->get_last_seq() << dendl; | |
3830 | } else if (cap && cap->is_new() && !dir_realm) { | |
3831 | // alway issue new caps to client, otherwise the caps get lost | |
11fdf7f2 | 3832 | ceph_assert(cap->is_stale()); |
494da23a TL |
3833 | ceph_assert(!cap->pending()); |
3834 | issue = CEPH_CAP_PIN; | |
3835 | cap->issue_norevoke(issue, true); | |
7c673cae FG |
3836 | dout(10) << "encode_inodestat issuing " << ccap_string(issue) |
3837 | << " seq " << cap->get_last_seq() | |
494da23a | 3838 | << "(stale&new caps)" << dendl; |
7c673cae FG |
3839 | } |
3840 | ||
3841 | if (issue) { | |
3842 | cap->set_last_issue(); | |
3843 | cap->set_last_issue_stamp(ceph_clock_now()); | |
7c673cae FG |
3844 | ecap.caps = issue; |
3845 | ecap.wanted = cap->wanted(); | |
3846 | ecap.cap_id = cap->get_cap_id(); | |
3847 | ecap.seq = cap->get_last_seq(); | |
3848 | ecap.mseq = cap->get_mseq(); | |
3849 | ecap.realm = realm->inode->ino(); | |
3850 | } else { | |
3851 | ecap.cap_id = 0; | |
3852 | ecap.caps = 0; | |
3853 | ecap.seq = 0; | |
3854 | ecap.mseq = 0; | |
3855 | ecap.realm = 0; | |
3856 | ecap.wanted = 0; | |
3857 | } | |
3858 | } | |
3859 | ecap.flags = is_auth() ? CEPH_CAP_FLAG_AUTH : 0; | |
3860 | dout(10) << "encode_inodestat caps " << ccap_string(ecap.caps) | |
3861 | << " seq " << ecap.seq << " mseq " << ecap.mseq | |
11fdf7f2 | 3862 | << " xattrv " << xattr_version << dendl; |
7c673cae FG |
3863 | |
3864 | if (inline_data.length() && cap) { | |
3865 | if ((cap->pending() | getattr_caps) & CEPH_CAP_FILE_SHARED) { | |
3866 | dout(10) << "including inline version " << inline_version << dendl; | |
3867 | cap->client_inline_version = inline_version; | |
3868 | } else { | |
3869 | dout(10) << "dropping inline version " << inline_version << dendl; | |
3870 | inline_version = 0; | |
3871 | inline_data.clear(); | |
3872 | } | |
3873 | } | |
3874 | ||
3875 | // include those xattrs? | |
11fdf7f2 | 3876 | if (xattr_version && cap) { |
7c673cae | 3877 | if ((cap->pending() | getattr_caps) & CEPH_CAP_XATTR_SHARED) { |
11fdf7f2 TL |
3878 | dout(10) << "including xattrs version " << xattr_version << dendl; |
3879 | cap->client_xattr_version = xattr_version; | |
7c673cae | 3880 | } else { |
11fdf7f2 | 3881 | dout(10) << "dropping xattrs version " << xattr_version << dendl; |
7c673cae FG |
3882 | xattr_version = 0; |
3883 | } | |
3884 | } | |
3885 | ||
11fdf7f2 TL |
3886 | // The end result of encode_xattrs() is equivalent to: |
3887 | // { | |
3888 | // bufferlist xbl; | |
3889 | // if (xattr_version) { | |
3890 | // if (pxattrs) | |
3891 | // encode(*pxattrs, bl); | |
3892 | // else | |
3893 | // encode((__u32)0, bl); | |
3894 | // } | |
3895 | // encode(xbl, bl); | |
3896 | // } | |
3897 | // | |
3898 | // But encoding xattrs into the 'xbl' requires a memory allocation. | |
3899 | // The 'bl' should have enough pre-allocated memory in most cases. | |
3900 | // Encoding xattrs directly into it can avoid the extra allocation. | |
3901 | auto encode_xattrs = [xattr_version, pxattrs, &bl]() { | |
3902 | using ceph::encode; | |
3903 | if (xattr_version) { | |
3904 | ceph_le32 xbl_len; | |
3905 | auto filler = bl.append_hole(sizeof(xbl_len)); | |
3906 | const auto starting_bl_len = bl.length(); | |
3907 | if (pxattrs) | |
3908 | encode(*pxattrs, bl); | |
3909 | else | |
3910 | encode((__u32)0, bl); | |
3911 | xbl_len = bl.length() - starting_bl_len; | |
3912 | filler.copy_in(sizeof(xbl_len), (char *)&xbl_len); | |
3913 | } else { | |
3914 | encode((__u32)0, bl); | |
3915 | } | |
3916 | }; | |
3917 | ||
7c673cae FG |
3918 | /* |
3919 | * note: encoding matches MClientReply::InodeStat | |
3920 | */ | |
11fdf7f2 | 3921 | if (session->info.has_feature(CEPHFS_FEATURE_REPLY_ENCODING)) { |
81eedcae | 3922 | ENCODE_START(3, 1, bl); |
11fdf7f2 TL |
3923 | encode(oi->ino, bl); |
3924 | encode(snapid, bl); | |
3925 | encode(oi->rdev, bl); | |
3926 | encode(version, bl); | |
3927 | encode(xattr_version, bl); | |
3928 | encode(ecap, bl); | |
3929 | { | |
3930 | ceph_file_layout legacy_layout; | |
3931 | layout.to_legacy(&legacy_layout); | |
3932 | encode(legacy_layout, bl); | |
3933 | } | |
3934 | encode(any_i->ctime, bl); | |
3935 | encode(file_i->mtime, bl); | |
3936 | encode(file_i->atime, bl); | |
3937 | encode(file_i->time_warp_seq, bl); | |
3938 | encode(file_i->size, bl); | |
3939 | encode(max_size, bl); | |
3940 | encode(file_i->truncate_size, bl); | |
3941 | encode(file_i->truncate_seq, bl); | |
3942 | encode(auth_i->mode, bl); | |
3943 | encode((uint32_t)auth_i->uid, bl); | |
3944 | encode((uint32_t)auth_i->gid, bl); | |
3945 | encode(link_i->nlink, bl); | |
3946 | encode(file_i->dirstat.nfiles, bl); | |
3947 | encode(file_i->dirstat.nsubdirs, bl); | |
3948 | encode(file_i->rstat.rbytes, bl); | |
3949 | encode(file_i->rstat.rfiles, bl); | |
3950 | encode(file_i->rstat.rsubdirs, bl); | |
3951 | encode(file_i->rstat.rctime, bl); | |
3952 | dirfragtree.encode(bl); | |
3953 | encode(symlink, bl); | |
3954 | encode(file_i->dir_layout, bl); | |
3955 | encode_xattrs(); | |
3956 | encode(inline_version, bl); | |
3957 | encode(inline_data, bl); | |
94b18763 | 3958 | mempool_inode *policy_i = ppolicy ? pi : oi; |
11fdf7f2 TL |
3959 | encode(policy_i->quota, bl); |
3960 | encode(layout.pool_ns, bl); | |
3961 | encode(any_i->btime, bl); | |
3962 | encode(any_i->change_attr, bl); | |
3963 | encode(file_i->export_pin, bl); | |
81eedcae | 3964 | encode(snap_btime, bl); |
11fdf7f2 TL |
3965 | ENCODE_FINISH(bl); |
3966 | } | |
3967 | else { | |
3968 | ceph_assert(session->get_connection()); | |
3969 | ||
3970 | encode(oi->ino, bl); | |
3971 | encode(snapid, bl); | |
3972 | encode(oi->rdev, bl); | |
3973 | encode(version, bl); | |
3974 | encode(xattr_version, bl); | |
3975 | encode(ecap, bl); | |
3976 | { | |
3977 | ceph_file_layout legacy_layout; | |
3978 | layout.to_legacy(&legacy_layout); | |
3979 | encode(legacy_layout, bl); | |
3980 | } | |
3981 | encode(any_i->ctime, bl); | |
3982 | encode(file_i->mtime, bl); | |
3983 | encode(file_i->atime, bl); | |
3984 | encode(file_i->time_warp_seq, bl); | |
3985 | encode(file_i->size, bl); | |
3986 | encode(max_size, bl); | |
3987 | encode(file_i->truncate_size, bl); | |
3988 | encode(file_i->truncate_seq, bl); | |
3989 | encode(auth_i->mode, bl); | |
3990 | encode((uint32_t)auth_i->uid, bl); | |
3991 | encode((uint32_t)auth_i->gid, bl); | |
3992 | encode(link_i->nlink, bl); | |
3993 | encode(file_i->dirstat.nfiles, bl); | |
3994 | encode(file_i->dirstat.nsubdirs, bl); | |
3995 | encode(file_i->rstat.rbytes, bl); | |
3996 | encode(file_i->rstat.rfiles, bl); | |
3997 | encode(file_i->rstat.rsubdirs, bl); | |
3998 | encode(file_i->rstat.rctime, bl); | |
3999 | dirfragtree.encode(bl); | |
4000 | encode(symlink, bl); | |
4001 | auto& conn = session->get_connection(); | |
4002 | if (conn->has_feature(CEPH_FEATURE_DIRLAYOUTHASH)) { | |
4003 | encode(file_i->dir_layout, bl); | |
4004 | } | |
4005 | encode_xattrs(); | |
4006 | if (conn->has_feature(CEPH_FEATURE_MDS_INLINE_DATA)) { | |
4007 | encode(inline_version, bl); | |
4008 | encode(inline_data, bl); | |
4009 | } | |
4010 | if (conn->has_feature(CEPH_FEATURE_MDS_QUOTA)) { | |
4011 | mempool_inode *policy_i = ppolicy ? pi : oi; | |
4012 | encode(policy_i->quota, bl); | |
4013 | } | |
4014 | if (conn->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2)) { | |
4015 | encode(layout.pool_ns, bl); | |
4016 | } | |
4017 | if (conn->has_feature(CEPH_FEATURE_FS_BTIME)) { | |
4018 | encode(any_i->btime, bl); | |
4019 | encode(any_i->change_attr, bl); | |
4020 | } | |
7c673cae FG |
4021 | } |
4022 | ||
4023 | return valid; | |
4024 | } | |
4025 | ||
9f95a23c | 4026 | void CInode::encode_cap_message(const ref_t<MClientCaps> &m, Capability *cap) |
7c673cae | 4027 | { |
11fdf7f2 | 4028 | ceph_assert(cap); |
7c673cae FG |
4029 | |
4030 | client_t client = cap->get_client(); | |
4031 | ||
4032 | bool pfile = filelock.is_xlocked_by_client(client) || (cap->issued() & CEPH_CAP_FILE_EXCL); | |
4033 | bool pauth = authlock.is_xlocked_by_client(client); | |
4034 | bool plink = linklock.is_xlocked_by_client(client); | |
4035 | bool pxattr = xattrlock.is_xlocked_by_client(client); | |
4036 | ||
94b18763 FG |
4037 | mempool_inode *oi = &inode; |
4038 | mempool_inode *pi = get_projected_inode(); | |
4039 | mempool_inode *i = (pfile|pauth|plink|pxattr) ? pi : oi; | |
7c673cae | 4040 | |
11fdf7f2 | 4041 | dout(20) << __func__ << " pfile " << pfile |
7c673cae FG |
4042 | << " pauth " << pauth << " plink " << plink << " pxattr " << pxattr |
4043 | << " ctime " << i->ctime << dendl; | |
4044 | ||
4045 | i = pfile ? pi:oi; | |
4046 | m->set_layout(i->layout); | |
4047 | m->size = i->size; | |
4048 | m->truncate_seq = i->truncate_seq; | |
4049 | m->truncate_size = i->truncate_size; | |
4050 | m->mtime = i->mtime; | |
4051 | m->atime = i->atime; | |
4052 | m->ctime = i->ctime; | |
4053 | m->change_attr = i->change_attr; | |
4054 | m->time_warp_seq = i->time_warp_seq; | |
28e407b8 AA |
4055 | m->nfiles = i->dirstat.nfiles; |
4056 | m->nsubdirs = i->dirstat.nsubdirs; | |
7c673cae FG |
4057 | |
4058 | if (cap->client_inline_version < i->inline_data.version) { | |
4059 | m->inline_version = cap->client_inline_version = i->inline_data.version; | |
4060 | if (i->inline_data.length() > 0) | |
4061 | m->inline_data = i->inline_data.get_data(); | |
4062 | } else { | |
4063 | m->inline_version = 0; | |
4064 | } | |
4065 | ||
4066 | // max_size is min of projected, actual. | |
f91f0fd5 TL |
4067 | uint64_t oldms = oi->get_client_range(client); |
4068 | uint64_t newms = pi->get_client_range(client); | |
11fdf7f2 | 4069 | m->max_size = std::min(oldms, newms); |
7c673cae FG |
4070 | |
4071 | i = pauth ? pi:oi; | |
4072 | m->head.mode = i->mode; | |
4073 | m->head.uid = i->uid; | |
4074 | m->head.gid = i->gid; | |
4075 | ||
4076 | i = plink ? pi:oi; | |
4077 | m->head.nlink = i->nlink; | |
4078 | ||
11fdf7f2 | 4079 | using ceph::encode; |
7c673cae | 4080 | i = pxattr ? pi:oi; |
94b18763 | 4081 | auto ix = pxattr ? get_projected_xattrs() : &xattrs; |
7c673cae FG |
4082 | if ((cap->pending() & CEPH_CAP_XATTR_SHARED) && |
4083 | i->xattr_version > cap->client_xattr_version) { | |
4084 | dout(10) << " including xattrs v " << i->xattr_version << dendl; | |
11fdf7f2 | 4085 | encode(*ix, m->xattrbl); |
7c673cae FG |
4086 | m->head.xattr_version = i->xattr_version; |
4087 | cap->client_xattr_version = i->xattr_version; | |
4088 | } | |
4089 | } | |
4090 | ||
4091 | ||
4092 | ||
4093 | void CInode::_encode_base(bufferlist& bl, uint64_t features) | |
4094 | { | |
9f95a23c | 4095 | ENCODE_START(1, 1, bl); |
11fdf7f2 TL |
4096 | encode(first, bl); |
4097 | encode(inode, bl, features); | |
4098 | encode(symlink, bl); | |
4099 | encode(dirfragtree, bl); | |
4100 | encode(xattrs, bl); | |
4101 | encode(old_inodes, bl, features); | |
4102 | encode(damage_flags, bl); | |
7c673cae | 4103 | encode_snap(bl); |
9f95a23c | 4104 | ENCODE_FINISH(bl); |
7c673cae | 4105 | } |
11fdf7f2 | 4106 | void CInode::_decode_base(bufferlist::const_iterator& p) |
7c673cae | 4107 | { |
9f95a23c | 4108 | DECODE_START(1, p); |
11fdf7f2 TL |
4109 | decode(first, p); |
4110 | decode(inode, p); | |
94b18763 FG |
4111 | { |
4112 | std::string tmp; | |
11fdf7f2 TL |
4113 | decode(tmp, p); |
4114 | symlink = std::string_view(tmp); | |
94b18763 | 4115 | } |
11fdf7f2 | 4116 | decode(dirfragtree, p); |
e306af50 | 4117 | decode_noshare(xattrs, p); |
11fdf7f2 TL |
4118 | decode(old_inodes, p); |
4119 | decode(damage_flags, p); | |
7c673cae | 4120 | decode_snap(p); |
9f95a23c | 4121 | DECODE_FINISH(p); |
7c673cae FG |
4122 | } |
4123 | ||
4124 | void CInode::_encode_locks_full(bufferlist& bl) | |
4125 | { | |
11fdf7f2 TL |
4126 | using ceph::encode; |
4127 | encode(authlock, bl); | |
4128 | encode(linklock, bl); | |
4129 | encode(dirfragtreelock, bl); | |
4130 | encode(filelock, bl); | |
4131 | encode(xattrlock, bl); | |
4132 | encode(snaplock, bl); | |
4133 | encode(nestlock, bl); | |
4134 | encode(flocklock, bl); | |
4135 | encode(policylock, bl); | |
4136 | ||
4137 | encode(loner_cap, bl); | |
4138 | } | |
4139 | void CInode::_decode_locks_full(bufferlist::const_iterator& p) | |
4140 | { | |
4141 | using ceph::decode; | |
4142 | decode(authlock, p); | |
4143 | decode(linklock, p); | |
4144 | decode(dirfragtreelock, p); | |
4145 | decode(filelock, p); | |
4146 | decode(xattrlock, p); | |
4147 | decode(snaplock, p); | |
4148 | decode(nestlock, p); | |
4149 | decode(flocklock, p); | |
4150 | decode(policylock, p); | |
4151 | ||
4152 | decode(loner_cap, p); | |
7c673cae FG |
4153 | set_loner_cap(loner_cap); |
4154 | want_loner_cap = loner_cap; // for now, we'll eval() shortly. | |
4155 | } | |
4156 | ||
b32b8144 | 4157 | void CInode::_encode_locks_state_for_replica(bufferlist& bl, bool need_recover) |
7c673cae | 4158 | { |
9f95a23c | 4159 | ENCODE_START(1, 1, bl); |
7c673cae FG |
4160 | authlock.encode_state_for_replica(bl); |
4161 | linklock.encode_state_for_replica(bl); | |
4162 | dirfragtreelock.encode_state_for_replica(bl); | |
4163 | filelock.encode_state_for_replica(bl); | |
4164 | nestlock.encode_state_for_replica(bl); | |
4165 | xattrlock.encode_state_for_replica(bl); | |
4166 | snaplock.encode_state_for_replica(bl); | |
4167 | flocklock.encode_state_for_replica(bl); | |
4168 | policylock.encode_state_for_replica(bl); | |
11fdf7f2 | 4169 | encode(need_recover, bl); |
9f95a23c | 4170 | ENCODE_FINISH(bl); |
7c673cae | 4171 | } |
b32b8144 | 4172 | |
7c673cae FG |
4173 | void CInode::_encode_locks_state_for_rejoin(bufferlist& bl, int rep) |
4174 | { | |
4175 | authlock.encode_state_for_replica(bl); | |
4176 | linklock.encode_state_for_replica(bl); | |
4177 | dirfragtreelock.encode_state_for_rejoin(bl, rep); | |
4178 | filelock.encode_state_for_rejoin(bl, rep); | |
4179 | nestlock.encode_state_for_rejoin(bl, rep); | |
4180 | xattrlock.encode_state_for_replica(bl); | |
4181 | snaplock.encode_state_for_replica(bl); | |
4182 | flocklock.encode_state_for_replica(bl); | |
4183 | policylock.encode_state_for_replica(bl); | |
4184 | } | |
b32b8144 | 4185 | |
9f95a23c | 4186 | void CInode::_decode_locks_state_for_replica(bufferlist::const_iterator& p, bool is_new) |
7c673cae | 4187 | { |
9f95a23c | 4188 | DECODE_START(1, p); |
7c673cae FG |
4189 | authlock.decode_state(p, is_new); |
4190 | linklock.decode_state(p, is_new); | |
4191 | dirfragtreelock.decode_state(p, is_new); | |
4192 | filelock.decode_state(p, is_new); | |
4193 | nestlock.decode_state(p, is_new); | |
4194 | xattrlock.decode_state(p, is_new); | |
4195 | snaplock.decode_state(p, is_new); | |
4196 | flocklock.decode_state(p, is_new); | |
4197 | policylock.decode_state(p, is_new); | |
b32b8144 FG |
4198 | |
4199 | bool need_recover; | |
11fdf7f2 | 4200 | decode(need_recover, p); |
b32b8144 FG |
4201 | if (need_recover && is_new) { |
4202 | // Auth mds replicated this inode while it's recovering. Auth mds may take xlock on the lock | |
4203 | // and change the object when replaying unsafe requests. | |
4204 | authlock.mark_need_recover(); | |
4205 | linklock.mark_need_recover(); | |
4206 | dirfragtreelock.mark_need_recover(); | |
4207 | filelock.mark_need_recover(); | |
4208 | nestlock.mark_need_recover(); | |
4209 | xattrlock.mark_need_recover(); | |
4210 | snaplock.mark_need_recover(); | |
4211 | flocklock.mark_need_recover(); | |
4212 | policylock.mark_need_recover(); | |
4213 | } | |
9f95a23c | 4214 | DECODE_FINISH(p); |
7c673cae | 4215 | } |
11fdf7f2 | 4216 | void CInode::_decode_locks_rejoin(bufferlist::const_iterator& p, MDSContext::vec& waiters, |
b32b8144 FG |
4217 | list<SimpleLock*>& eval_locks, bool survivor) |
4218 | { | |
4219 | authlock.decode_state_rejoin(p, waiters, survivor); | |
4220 | linklock.decode_state_rejoin(p, waiters, survivor); | |
4221 | dirfragtreelock.decode_state_rejoin(p, waiters, survivor); | |
4222 | filelock.decode_state_rejoin(p, waiters, survivor); | |
4223 | nestlock.decode_state_rejoin(p, waiters, survivor); | |
4224 | xattrlock.decode_state_rejoin(p, waiters, survivor); | |
4225 | snaplock.decode_state_rejoin(p, waiters, survivor); | |
4226 | flocklock.decode_state_rejoin(p, waiters, survivor); | |
4227 | policylock.decode_state_rejoin(p, waiters, survivor); | |
7c673cae FG |
4228 | |
4229 | if (!dirfragtreelock.is_stable() && !dirfragtreelock.is_wrlocked()) | |
4230 | eval_locks.push_back(&dirfragtreelock); | |
4231 | if (!filelock.is_stable() && !filelock.is_wrlocked()) | |
4232 | eval_locks.push_back(&filelock); | |
4233 | if (!nestlock.is_stable() && !nestlock.is_wrlocked()) | |
4234 | eval_locks.push_back(&nestlock); | |
4235 | } | |
4236 | ||
4237 | ||
4238 | // IMPORT/EXPORT | |
4239 | ||
4240 | void CInode::encode_export(bufferlist& bl) | |
4241 | { | |
4242 | ENCODE_START(5, 4, bl); | |
4243 | _encode_base(bl, mdcache->mds->mdsmap->get_up_features()); | |
4244 | ||
11fdf7f2 | 4245 | encode(state, bl); |
7c673cae | 4246 | |
11fdf7f2 | 4247 | encode(pop, bl); |
7c673cae | 4248 | |
11fdf7f2 | 4249 | encode(get_replicas(), bl); |
7c673cae FG |
4250 | |
4251 | // include scatterlock info for any bounding CDirs | |
4252 | bufferlist bounding; | |
4253 | if (inode.is_dir()) | |
94b18763 FG |
4254 | for (const auto &p : dirfrags) { |
4255 | CDir *dir = p.second; | |
7c673cae | 4256 | if (dir->state_test(CDir::STATE_EXPORTBOUND)) { |
11fdf7f2 TL |
4257 | encode(p.first, bounding); |
4258 | encode(dir->fnode.fragstat, bounding); | |
4259 | encode(dir->fnode.accounted_fragstat, bounding); | |
4260 | encode(dir->fnode.rstat, bounding); | |
4261 | encode(dir->fnode.accounted_rstat, bounding); | |
7c673cae FG |
4262 | dout(10) << " encoded fragstat/rstat info for " << *dir << dendl; |
4263 | } | |
4264 | } | |
11fdf7f2 | 4265 | encode(bounding, bl); |
7c673cae FG |
4266 | |
4267 | _encode_locks_full(bl); | |
4268 | ||
4269 | _encode_file_locks(bl); | |
4270 | ||
4271 | ENCODE_FINISH(bl); | |
4272 | ||
4273 | get(PIN_TEMPEXPORTING); | |
4274 | } | |
4275 | ||
11fdf7f2 | 4276 | void CInode::finish_export() |
7c673cae FG |
4277 | { |
4278 | state &= MASK_STATE_EXPORT_KEPT; | |
4279 | ||
11fdf7f2 | 4280 | pop.zero(); |
7c673cae FG |
4281 | |
4282 | // just in case! | |
4283 | //dirlock.clear_updated(); | |
4284 | ||
4285 | loner_cap = -1; | |
4286 | ||
4287 | put(PIN_TEMPEXPORTING); | |
4288 | } | |
4289 | ||
11fdf7f2 | 4290 | void CInode::decode_import(bufferlist::const_iterator& p, |
7c673cae FG |
4291 | LogSegment *ls) |
4292 | { | |
4293 | DECODE_START(5, p); | |
4294 | ||
4295 | _decode_base(p); | |
4296 | ||
f6b5b4d7 TL |
4297 | { |
4298 | unsigned s; | |
4299 | decode(s, p); | |
4300 | s &= MASK_STATE_EXPORTED; | |
4301 | ||
4302 | if (s & STATE_RANDEPHEMERALPIN) { | |
4303 | set_ephemeral_rand(true); | |
4304 | } | |
4305 | if (s & STATE_DISTEPHEMERALPIN) { | |
4306 | set_ephemeral_dist(true); | |
4307 | } | |
4308 | ||
4309 | state_set(STATE_AUTH | s); | |
4310 | } | |
7c673cae FG |
4311 | |
4312 | if (is_dirty()) { | |
4313 | get(PIN_DIRTY); | |
4314 | _mark_dirty(ls); | |
4315 | } | |
4316 | if (is_dirty_parent()) { | |
4317 | get(PIN_DIRTYPARENT); | |
28e407b8 | 4318 | mark_dirty_parent(ls); |
7c673cae FG |
4319 | } |
4320 | ||
11fdf7f2 | 4321 | decode(pop, p); |
7c673cae | 4322 | |
11fdf7f2 | 4323 | decode(get_replicas(), p); |
181888fb | 4324 | if (is_replicated()) |
7c673cae FG |
4325 | get(PIN_REPLICATED); |
4326 | replica_nonce = 0; | |
4327 | ||
4328 | // decode fragstat info on bounding cdirs | |
4329 | bufferlist bounding; | |
11fdf7f2 TL |
4330 | decode(bounding, p); |
4331 | auto q = bounding.cbegin(); | |
7c673cae FG |
4332 | while (!q.end()) { |
4333 | frag_t fg; | |
11fdf7f2 | 4334 | decode(fg, q); |
7c673cae | 4335 | CDir *dir = get_dirfrag(fg); |
11fdf7f2 | 4336 | ceph_assert(dir); // we should have all bounds open |
7c673cae FG |
4337 | |
4338 | // Only take the remote's fragstat/rstat if we are non-auth for | |
4339 | // this dirfrag AND the lock is NOT in a scattered (MIX) state. | |
4340 | // We know lock is stable, and MIX is the only state in which | |
4341 | // the inode auth (who sent us this data) may not have the best | |
4342 | // info. | |
4343 | ||
4344 | // HMM: Are there cases where dir->is_auth() is an insufficient | |
4345 | // check because the dirfrag is under migration? That implies | |
4346 | // it is frozen (and in a SYNC or LOCK state). FIXME. | |
4347 | ||
4348 | if (dir->is_auth() || | |
4349 | filelock.get_state() == LOCK_MIX) { | |
4350 | dout(10) << " skipped fragstat info for " << *dir << dendl; | |
4351 | frag_info_t f; | |
11fdf7f2 TL |
4352 | decode(f, q); |
4353 | decode(f, q); | |
7c673cae | 4354 | } else { |
11fdf7f2 TL |
4355 | decode(dir->fnode.fragstat, q); |
4356 | decode(dir->fnode.accounted_fragstat, q); | |
7c673cae FG |
4357 | dout(10) << " took fragstat info for " << *dir << dendl; |
4358 | } | |
4359 | if (dir->is_auth() || | |
4360 | nestlock.get_state() == LOCK_MIX) { | |
4361 | dout(10) << " skipped rstat info for " << *dir << dendl; | |
4362 | nest_info_t n; | |
11fdf7f2 TL |
4363 | decode(n, q); |
4364 | decode(n, q); | |
7c673cae | 4365 | } else { |
11fdf7f2 TL |
4366 | decode(dir->fnode.rstat, q); |
4367 | decode(dir->fnode.accounted_rstat, q); | |
7c673cae FG |
4368 | dout(10) << " took rstat info for " << *dir << dendl; |
4369 | } | |
4370 | } | |
4371 | ||
4372 | _decode_locks_full(p); | |
4373 | ||
4374 | _decode_file_locks(p); | |
4375 | ||
4376 | DECODE_FINISH(p); | |
4377 | } | |
4378 | ||
4379 | ||
4380 | void InodeStoreBase::dump(Formatter *f) const | |
4381 | { | |
4382 | inode.dump(f); | |
4383 | f->dump_string("symlink", symlink); | |
9f95a23c TL |
4384 | |
4385 | f->open_array_section("xattrs"); | |
4386 | for (const auto& [key, val] : xattrs) { | |
4387 | f->open_object_section("xattr"); | |
4388 | f->dump_string("key", key); | |
4389 | std::string v(val.c_str(), val.length()); | |
4390 | f->dump_string("val", v); | |
4391 | f->close_section(); | |
4392 | } | |
4393 | f->close_section(); | |
4394 | f->open_object_section("dirfragtree"); | |
4395 | dirfragtree.dump(f); | |
4396 | f->close_section(); // dirfragtree | |
4397 | ||
7c673cae | 4398 | f->open_array_section("old_inodes"); |
94b18763 | 4399 | for (const auto &p : old_inodes) { |
7c673cae | 4400 | f->open_object_section("old_inode"); |
94b18763 FG |
4401 | // The key is the last snapid, the first is in the mempool_old_inode |
4402 | f->dump_int("last", p.first); | |
4403 | p.second.dump(f); | |
7c673cae FG |
4404 | f->close_section(); // old_inode |
4405 | } | |
4406 | f->close_section(); // old_inodes | |
4407 | ||
9f95a23c TL |
4408 | f->dump_unsigned("oldest_snap", oldest_snap); |
4409 | f->dump_unsigned("damage_flags", damage_flags); | |
7c673cae FG |
4410 | } |
4411 | ||
4412 | ||
9f95a23c | 4413 | void InodeStore::generate_test_instances(std::list<InodeStore*> &ls) |
7c673cae FG |
4414 | { |
4415 | InodeStore *populated = new InodeStore; | |
4416 | populated->inode.ino = 0xdeadbeef; | |
4417 | populated->symlink = "rhubarb"; | |
4418 | ls.push_back(populated); | |
4419 | } | |
4420 | ||
9f95a23c | 4421 | void InodeStoreBare::generate_test_instances(std::list<InodeStoreBare*> &ls) |
11fdf7f2 TL |
4422 | { |
4423 | InodeStoreBare *populated = new InodeStoreBare; | |
4424 | populated->inode.ino = 0xdeadbeef; | |
4425 | populated->symlink = "rhubarb"; | |
4426 | ls.push_back(populated); | |
4427 | } | |
4428 | ||
7c673cae | 4429 | void CInode::validate_disk_state(CInode::validated_data *results, |
11fdf7f2 | 4430 | MDSContext *fin) |
7c673cae FG |
4431 | { |
4432 | class ValidationContinuation : public MDSContinuation { | |
4433 | public: | |
11fdf7f2 | 4434 | MDSContext *fin; |
7c673cae FG |
4435 | CInode *in; |
4436 | CInode::validated_data *results; | |
4437 | bufferlist bl; | |
4438 | CInode *shadow_in; | |
4439 | ||
4440 | enum { | |
4441 | START = 0, | |
4442 | BACKTRACE, | |
4443 | INODE, | |
11fdf7f2 TL |
4444 | DIRFRAGS, |
4445 | SNAPREALM, | |
7c673cae FG |
4446 | }; |
4447 | ||
4448 | ValidationContinuation(CInode *i, | |
4449 | CInode::validated_data *data_r, | |
11fdf7f2 | 4450 | MDSContext *fin_) : |
7c673cae FG |
4451 | MDSContinuation(i->mdcache->mds->server), |
4452 | fin(fin_), | |
4453 | in(i), | |
4454 | results(data_r), | |
4455 | shadow_in(NULL) { | |
4456 | set_callback(START, static_cast<Continuation::stagePtr>(&ValidationContinuation::_start)); | |
4457 | set_callback(BACKTRACE, static_cast<Continuation::stagePtr>(&ValidationContinuation::_backtrace)); | |
4458 | set_callback(INODE, static_cast<Continuation::stagePtr>(&ValidationContinuation::_inode_disk)); | |
4459 | set_callback(DIRFRAGS, static_cast<Continuation::stagePtr>(&ValidationContinuation::_dirfrags)); | |
11fdf7f2 | 4460 | set_callback(SNAPREALM, static_cast<Continuation::stagePtr>(&ValidationContinuation::_snaprealm)); |
7c673cae FG |
4461 | } |
4462 | ||
4463 | ~ValidationContinuation() override { | |
b32b8144 FG |
4464 | if (shadow_in) { |
4465 | delete shadow_in; | |
4466 | in->mdcache->num_shadow_inodes--; | |
4467 | } | |
7c673cae FG |
4468 | } |
4469 | ||
4470 | /** | |
4471 | * Fetch backtrace and set tag if tag is non-empty | |
4472 | */ | |
11fdf7f2 TL |
4473 | void fetch_backtrace_and_tag(CInode *in, |
4474 | std::string_view tag, bool is_internal, | |
7c673cae FG |
4475 | Context *fin, int *bt_r, bufferlist *bt) |
4476 | { | |
4477 | const int64_t pool = in->get_backtrace_pool(); | |
4478 | object_t oid = CInode::get_object_name(in->ino(), frag_t(), ""); | |
4479 | ||
4480 | ObjectOperation fetch; | |
4481 | fetch.getxattr("parent", bt, bt_r); | |
4482 | in->mdcache->mds->objecter->read(oid, object_locator_t(pool), fetch, CEPH_NOSNAP, | |
4483 | NULL, 0, fin); | |
11fdf7f2 TL |
4484 | using ceph::encode; |
4485 | if (!is_internal) { | |
4486 | ObjectOperation scrub_tag; | |
7c673cae | 4487 | bufferlist tag_bl; |
11fdf7f2 | 4488 | encode(tag, tag_bl); |
7c673cae FG |
4489 | scrub_tag.setxattr("scrub_tag", tag_bl); |
4490 | SnapContext snapc; | |
4491 | in->mdcache->mds->objecter->mutate(oid, object_locator_t(pool), scrub_tag, snapc, | |
4492 | ceph::real_clock::now(), | |
4493 | 0, NULL); | |
4494 | } | |
4495 | } | |
4496 | ||
4497 | bool _start(int rval) { | |
4498 | if (in->is_dirty()) { | |
11fdf7f2 TL |
4499 | MDCache *mdcache = in->mdcache; |
4500 | mempool_inode& inode = in->inode; | |
4501 | dout(20) << "validating a dirty CInode; results will be inconclusive" | |
4502 | << dendl; | |
7c673cae FG |
4503 | } |
4504 | if (in->is_symlink()) { | |
11fdf7f2 TL |
4505 | // there's nothing to do for symlinks! |
4506 | return true; | |
7c673cae FG |
4507 | } |
4508 | ||
11fdf7f2 TL |
4509 | // prefetch snaprealm's past parents |
4510 | if (in->snaprealm && !in->snaprealm->have_past_parents_open()) | |
4511 | in->snaprealm->open_parents(nullptr); | |
4512 | ||
7c673cae | 4513 | C_OnFinisher *conf = new C_OnFinisher(get_io_callback(BACKTRACE), |
11fdf7f2 TL |
4514 | in->mdcache->mds->finisher); |
4515 | ||
4516 | std::string_view tag = in->scrub_infop->header->get_tag(); | |
4517 | bool is_internal = in->scrub_infop->header->is_internal_tag(); | |
4518 | // Rather than using the usual CInode::fetch_backtrace, | |
4519 | // use a special variant that optionally writes a tag in the same | |
4520 | // operation. | |
4521 | fetch_backtrace_and_tag(in, tag, is_internal, conf, &results->backtrace.ondisk_read_retval, &bl); | |
7c673cae FG |
4522 | return false; |
4523 | } | |
4524 | ||
4525 | bool _backtrace(int rval) { | |
4526 | // set up basic result reporting and make sure we got the data | |
4527 | results->performed_validation = true; // at least, some of it! | |
4528 | results->backtrace.checked = true; | |
4529 | ||
4530 | const int64_t pool = in->get_backtrace_pool(); | |
4531 | inode_backtrace_t& memory_backtrace = results->backtrace.memory_value; | |
4532 | in->build_backtrace(pool, memory_backtrace); | |
4533 | bool equivalent, divergent; | |
4534 | int memory_newer; | |
4535 | ||
4536 | MDCache *mdcache = in->mdcache; // For the benefit of dout | |
94b18763 | 4537 | const mempool_inode& inode = in->inode; // For the benefit of dout |
7c673cae FG |
4538 | |
4539 | // Ignore rval because it's the result of a FAILOK operation | |
4540 | // from fetch_backtrace_and_tag: the real result is in | |
4541 | // backtrace.ondisk_read_retval | |
4542 | dout(20) << "ondisk_read_retval: " << results->backtrace.ondisk_read_retval << dendl; | |
4543 | if (results->backtrace.ondisk_read_retval != 0) { | |
4544 | results->backtrace.error_str << "failed to read off disk; see retval"; | |
e306af50 TL |
4545 | // we probably have a new unwritten file! |
4546 | // so skip the backtrace scrub for this entry and say that all's well | |
4547 | if (in->is_dirty_parent()) | |
4548 | results->backtrace.passed = true; | |
4549 | goto next; | |
7c673cae FG |
4550 | } |
4551 | ||
4552 | // extract the backtrace, and compare it to a newly-constructed one | |
4553 | try { | |
11fdf7f2 TL |
4554 | auto p = bl.cbegin(); |
4555 | using ceph::decode; | |
4556 | decode(results->backtrace.ondisk_value, p); | |
7c673cae FG |
4557 | dout(10) << "decoded " << bl.length() << " bytes of backtrace successfully" << dendl; |
4558 | } catch (buffer::error&) { | |
4559 | if (results->backtrace.ondisk_read_retval == 0 && rval != 0) { | |
4560 | // Cases where something has clearly gone wrong with the overall | |
4561 | // fetch op, though we didn't get a nonzero rc from the getxattr | |
4562 | // operation. e.g. object missing. | |
4563 | results->backtrace.ondisk_read_retval = rval; | |
4564 | } | |
4565 | results->backtrace.error_str << "failed to decode on-disk backtrace (" | |
4566 | << bl.length() << " bytes)!"; | |
e306af50 TL |
4567 | // we probably have a new unwritten file! |
4568 | // so skip the backtrace scrub for this entry and say that all's well | |
4569 | if (in->is_dirty_parent()) | |
4570 | results->backtrace.passed = true; | |
4571 | ||
7c673cae FG |
4572 | goto next; |
4573 | } | |
4574 | ||
4575 | memory_newer = memory_backtrace.compare(results->backtrace.ondisk_value, | |
4576 | &equivalent, &divergent); | |
4577 | ||
4578 | if (divergent || memory_newer < 0) { | |
e306af50 TL |
4579 | // we're divergent, or on-disk version is newer |
4580 | results->backtrace.error_str << "On-disk backtrace is divergent or newer"; | |
4581 | // we probably have a new unwritten file! | |
4582 | // so skip the backtrace scrub for this entry and say that all's well | |
4583 | if (divergent && in->is_dirty_parent()) | |
4584 | results->backtrace.passed = true; | |
7c673cae FG |
4585 | } else { |
4586 | results->backtrace.passed = true; | |
4587 | } | |
4588 | next: | |
4589 | ||
4590 | if (!results->backtrace.passed && in->scrub_infop->header->get_repair()) { | |
4591 | std::string path; | |
4592 | in->make_path_string(path); | |
d2e6a577 FG |
4593 | in->mdcache->mds->clog->warn() << "bad backtrace on inode " << in->ino() |
4594 | << "(" << path << "), rewriting it"; | |
28e407b8 | 4595 | in->mark_dirty_parent(in->mdcache->mds->mdlog->get_current_segment(), |
7c673cae | 4596 | false); |
b32b8144 FG |
4597 | // Flag that we repaired this BT so that it won't go into damagetable |
4598 | results->backtrace.repaired = true; | |
7c673cae FG |
4599 | } |
4600 | ||
4601 | // If the inode's number was free in the InoTable, fix that | |
4602 | // (#15619) | |
4603 | { | |
4604 | InoTable *inotable = mdcache->mds->inotable; | |
4605 | ||
d2e6a577 | 4606 | dout(10) << "scrub: inotable ino = " << inode.ino << dendl; |
7c673cae FG |
4607 | dout(10) << "scrub: inotable free says " |
4608 | << inotable->is_marked_free(inode.ino) << dendl; | |
4609 | ||
4610 | if (inotable->is_marked_free(inode.ino)) { | |
4611 | LogChannelRef clog = in->mdcache->mds->clog; | |
11fdf7f2 | 4612 | clog->error() << "scrub: inode wrongly marked free: " << inode.ino; |
7c673cae FG |
4613 | |
4614 | if (in->scrub_infop->header->get_repair()) { | |
4615 | bool repaired = inotable->repair(inode.ino); | |
4616 | if (repaired) { | |
11fdf7f2 | 4617 | clog->error() << "inode table repaired for inode: " << inode.ino; |
7c673cae FG |
4618 | |
4619 | inotable->save(); | |
4620 | } else { | |
4621 | clog->error() << "Cannot repair inotable while other operations" | |
4622 | " are in progress"; | |
4623 | } | |
4624 | } | |
4625 | } | |
4626 | } | |
4627 | ||
7c673cae | 4628 | |
11fdf7f2 TL |
4629 | if (in->is_dir()) { |
4630 | return validate_directory_data(); | |
4631 | } else { | |
4632 | // TODO: validate on-disk inode for normal files | |
4633 | return check_inode_snaprealm(); | |
4634 | } | |
7c673cae FG |
4635 | } |
4636 | ||
4637 | bool validate_directory_data() { | |
11fdf7f2 | 4638 | ceph_assert(in->is_dir()); |
7c673cae FG |
4639 | |
4640 | if (in->is_base()) { | |
b32b8144 FG |
4641 | if (!shadow_in) { |
4642 | shadow_in = new CInode(in->mdcache); | |
4643 | in->mdcache->create_unlinked_system_inode(shadow_in, in->inode.ino, in->inode.mode); | |
4644 | in->mdcache->num_shadow_inodes++; | |
4645 | } | |
7c673cae FG |
4646 | shadow_in->fetch(get_internal_callback(INODE)); |
4647 | return false; | |
4648 | } else { | |
11fdf7f2 | 4649 | // TODO: validate on-disk inode for non-base directories |
7c673cae | 4650 | results->inode.passed = true; |
11fdf7f2 | 4651 | return check_dirfrag_rstats(); |
7c673cae FG |
4652 | } |
4653 | } | |
4654 | ||
4655 | bool _inode_disk(int rval) { | |
4656 | results->inode.checked = true; | |
4657 | results->inode.ondisk_read_retval = rval; | |
4658 | results->inode.ondisk_value = shadow_in->inode; | |
4659 | results->inode.memory_value = in->inode; | |
4660 | ||
94b18763 FG |
4661 | mempool_inode& si = shadow_in->inode; |
4662 | mempool_inode& i = in->inode; | |
7c673cae FG |
4663 | if (si.version > i.version) { |
4664 | // uh, what? | |
11fdf7f2 | 4665 | results->inode.error_str << "On-disk inode is newer than in-memory one; "; |
7c673cae FG |
4666 | goto next; |
4667 | } else { | |
4668 | bool divergent = false; | |
4669 | int r = i.compare(si, &divergent); | |
4670 | results->inode.passed = !divergent && r >= 0; | |
4671 | if (!results->inode.passed) { | |
4672 | results->inode.error_str << | |
11fdf7f2 | 4673 | "On-disk inode is divergent or newer than in-memory one; "; |
7c673cae FG |
4674 | goto next; |
4675 | } | |
4676 | } | |
4677 | next: | |
4678 | return check_dirfrag_rstats(); | |
4679 | } | |
4680 | ||
4681 | bool check_dirfrag_rstats() { | |
4682 | MDSGatherBuilder gather(g_ceph_context); | |
11fdf7f2 TL |
4683 | frag_vec_t leaves; |
4684 | in->dirfragtree.get_leaves(leaves); | |
4685 | for (const auto& leaf : leaves) { | |
4686 | CDir *dir = in->get_or_open_dirfrag(in->mdcache, leaf); | |
7c673cae FG |
4687 | dir->scrub_info(); |
4688 | if (!dir->scrub_infop->header) | |
4689 | dir->scrub_infop->header = in->scrub_infop->header; | |
4690 | if (dir->is_complete()) { | |
4691 | dir->scrub_local(); | |
4692 | } else { | |
4693 | dir->scrub_infop->need_scrub_local = true; | |
4694 | dir->fetch(gather.new_sub(), false); | |
4695 | } | |
4696 | } | |
4697 | if (gather.has_subs()) { | |
4698 | gather.set_finisher(get_internal_callback(DIRFRAGS)); | |
4699 | gather.activate(); | |
4700 | return false; | |
4701 | } else { | |
4702 | return immediate(DIRFRAGS, 0); | |
4703 | } | |
4704 | } | |
4705 | ||
4706 | bool _dirfrags(int rval) { | |
4707 | int frags_errors = 0; | |
4708 | // basic reporting setup | |
4709 | results->raw_stats.checked = true; | |
4710 | results->raw_stats.ondisk_read_retval = rval; | |
4711 | ||
4712 | results->raw_stats.memory_value.dirstat = in->inode.dirstat; | |
4713 | results->raw_stats.memory_value.rstat = in->inode.rstat; | |
4714 | frag_info_t& dir_info = results->raw_stats.ondisk_value.dirstat; | |
4715 | nest_info_t& nest_info = results->raw_stats.ondisk_value.rstat; | |
4716 | ||
4717 | if (rval != 0) { | |
4718 | results->raw_stats.error_str << "Failed to read dirfrags off disk"; | |
4719 | goto next; | |
4720 | } | |
4721 | ||
4722 | // check each dirfrag... | |
94b18763 FG |
4723 | for (const auto &p : in->dirfrags) { |
4724 | CDir *dir = p.second; | |
11fdf7f2 | 4725 | ceph_assert(dir->get_version() > 0); |
7c673cae FG |
4726 | nest_info.add(dir->fnode.accounted_rstat); |
4727 | dir_info.add(dir->fnode.accounted_fragstat); | |
11fdf7f2 | 4728 | if (dir->scrub_infop->pending_scrub_error) { |
7c673cae FG |
4729 | dir->scrub_infop->pending_scrub_error = false; |
4730 | if (dir->scrub_infop->header->get_repair()) { | |
b32b8144 | 4731 | results->raw_stats.repaired = true; |
7c673cae | 4732 | results->raw_stats.error_str |
94b18763 | 4733 | << "dirfrag(" << p.first << ") has bad stats (will be fixed); "; |
7c673cae FG |
4734 | } else { |
4735 | results->raw_stats.error_str | |
94b18763 | 4736 | << "dirfrag(" << p.first << ") has bad stats; "; |
7c673cae FG |
4737 | } |
4738 | frags_errors++; | |
4739 | } | |
4740 | } | |
4741 | nest_info.rsubdirs++; // it gets one to account for self | |
11fdf7f2 TL |
4742 | if (const sr_t *srnode = in->get_projected_srnode(); srnode) |
4743 | nest_info.rsnaps += srnode->snaps.size(); | |
4744 | ||
7c673cae FG |
4745 | // ...and that their sum matches our inode settings |
4746 | if (!dir_info.same_sums(in->inode.dirstat) || | |
4747 | !nest_info.same_sums(in->inode.rstat)) { | |
11fdf7f2 | 4748 | if (in->scrub_infop->header->get_repair()) { |
7c673cae FG |
4749 | results->raw_stats.error_str |
4750 | << "freshly-calculated rstats don't match existing ones (will be fixed)"; | |
4751 | in->mdcache->repair_inode_stats(in); | |
b32b8144 | 4752 | results->raw_stats.repaired = true; |
7c673cae FG |
4753 | } else { |
4754 | results->raw_stats.error_str | |
4755 | << "freshly-calculated rstats don't match existing ones"; | |
4756 | } | |
4757 | goto next; | |
4758 | } | |
4759 | if (frags_errors > 0) | |
4760 | goto next; | |
4761 | ||
4762 | results->raw_stats.passed = true; | |
4763 | next: | |
11fdf7f2 TL |
4764 | // snaprealm |
4765 | return check_inode_snaprealm(); | |
4766 | } | |
4767 | ||
4768 | bool check_inode_snaprealm() { | |
4769 | if (!in->snaprealm) | |
4770 | return true; | |
4771 | ||
4772 | if (!in->snaprealm->have_past_parents_open()) { | |
4773 | in->snaprealm->open_parents(get_internal_callback(SNAPREALM)); | |
4774 | return false; | |
4775 | } else { | |
4776 | return immediate(SNAPREALM, 0); | |
4777 | } | |
4778 | } | |
4779 | ||
4780 | bool _snaprealm(int rval) { | |
4781 | ||
4782 | if (in->snaprealm->past_parents_dirty || | |
4783 | !in->get_projected_srnode()->past_parents.empty()) { | |
4784 | // temporarily store error in field of on-disk inode validation temporarily | |
4785 | results->inode.checked = true; | |
4786 | results->inode.passed = false; | |
4787 | if (in->scrub_infop->header->get_repair()) { | |
4788 | results->inode.error_str << "Inode has old format snaprealm (will upgrade)"; | |
4789 | results->inode.repaired = true; | |
4790 | in->mdcache->upgrade_inode_snaprealm(in); | |
4791 | } else { | |
4792 | results->inode.error_str << "Inode has old format snaprealm"; | |
4793 | } | |
4794 | } | |
7c673cae FG |
4795 | return true; |
4796 | } | |
4797 | ||
4798 | void _done() override { | |
4799 | if ((!results->raw_stats.checked || results->raw_stats.passed) && | |
4800 | (!results->backtrace.checked || results->backtrace.passed) && | |
4801 | (!results->inode.checked || results->inode.passed)) | |
11fdf7f2 TL |
4802 | results->passed_validation = true; |
4803 | ||
4804 | // Flag that we did some repair work so that our repair operation | |
4805 | // can be flushed at end of scrub | |
4806 | if (results->backtrace.repaired || | |
4807 | results->inode.repaired || | |
4808 | results->raw_stats.repaired) | |
4809 | in->scrub_infop->header->set_repaired(); | |
4810 | if (fin) | |
4811 | fin->complete(get_rval()); | |
7c673cae FG |
4812 | } |
4813 | }; | |
4814 | ||
4815 | ||
4816 | dout(10) << "scrub starting validate_disk_state on " << *this << dendl; | |
4817 | ValidationContinuation *vc = new ValidationContinuation(this, | |
4818 | results, | |
4819 | fin); | |
4820 | vc->begin(); | |
4821 | } | |
4822 | ||
4823 | void CInode::validated_data::dump(Formatter *f) const | |
4824 | { | |
4825 | f->open_object_section("results"); | |
4826 | { | |
4827 | f->dump_bool("performed_validation", performed_validation); | |
4828 | f->dump_bool("passed_validation", passed_validation); | |
4829 | f->open_object_section("backtrace"); | |
4830 | { | |
4831 | f->dump_bool("checked", backtrace.checked); | |
4832 | f->dump_bool("passed", backtrace.passed); | |
4833 | f->dump_int("read_ret_val", backtrace.ondisk_read_retval); | |
4834 | f->dump_stream("ondisk_value") << backtrace.ondisk_value; | |
4835 | f->dump_stream("memoryvalue") << backtrace.memory_value; | |
4836 | f->dump_string("error_str", backtrace.error_str.str()); | |
4837 | } | |
4838 | f->close_section(); // backtrace | |
4839 | f->open_object_section("raw_stats"); | |
4840 | { | |
4841 | f->dump_bool("checked", raw_stats.checked); | |
4842 | f->dump_bool("passed", raw_stats.passed); | |
4843 | f->dump_int("read_ret_val", raw_stats.ondisk_read_retval); | |
4844 | f->dump_stream("ondisk_value.dirstat") << raw_stats.ondisk_value.dirstat; | |
4845 | f->dump_stream("ondisk_value.rstat") << raw_stats.ondisk_value.rstat; | |
4846 | f->dump_stream("memory_value.dirrstat") << raw_stats.memory_value.dirstat; | |
4847 | f->dump_stream("memory_value.rstat") << raw_stats.memory_value.rstat; | |
4848 | f->dump_string("error_str", raw_stats.error_str.str()); | |
4849 | } | |
4850 | f->close_section(); // raw_stats | |
4851 | // dump failure return code | |
4852 | int rc = 0; | |
4853 | if (backtrace.checked && backtrace.ondisk_read_retval) | |
4854 | rc = backtrace.ondisk_read_retval; | |
4855 | if (inode.checked && inode.ondisk_read_retval) | |
4856 | rc = inode.ondisk_read_retval; | |
4857 | if (raw_stats.checked && raw_stats.ondisk_read_retval) | |
4858 | rc = raw_stats.ondisk_read_retval; | |
4859 | f->dump_int("return_code", rc); | |
4860 | } | |
4861 | f->close_section(); // results | |
4862 | } | |
4863 | ||
b32b8144 FG |
4864 | bool CInode::validated_data::all_damage_repaired() const |
4865 | { | |
4866 | bool unrepaired = | |
4867 | (raw_stats.checked && !raw_stats.passed && !raw_stats.repaired) | |
4868 | || | |
4869 | (backtrace.checked && !backtrace.passed && !backtrace.repaired) | |
4870 | || | |
4871 | (inode.checked && !inode.passed && !inode.repaired); | |
4872 | ||
4873 | return !unrepaired; | |
4874 | } | |
4875 | ||
11fdf7f2 TL |
4876 | void CInode::dump(Formatter *f, int flags) const |
4877 | { | |
4878 | if (flags & DUMP_PATH) { | |
4879 | std::string path; | |
4880 | make_path_string(path, true); | |
4881 | if (path.empty()) | |
4882 | path = "/"; | |
4883 | f->dump_string("path", path); | |
4884 | } | |
4885 | ||
4886 | if (flags & DUMP_INODE_STORE_BASE) | |
4887 | InodeStoreBase::dump(f); | |
4888 | ||
4889 | if (flags & DUMP_MDS_CACHE_OBJECT) | |
4890 | MDSCacheObject::dump(f); | |
4891 | ||
4892 | if (flags & DUMP_LOCKS) { | |
4893 | f->open_object_section("versionlock"); | |
4894 | versionlock.dump(f); | |
4895 | f->close_section(); | |
4896 | ||
4897 | f->open_object_section("authlock"); | |
4898 | authlock.dump(f); | |
4899 | f->close_section(); | |
4900 | ||
4901 | f->open_object_section("linklock"); | |
4902 | linklock.dump(f); | |
4903 | f->close_section(); | |
4904 | ||
4905 | f->open_object_section("dirfragtreelock"); | |
4906 | dirfragtreelock.dump(f); | |
4907 | f->close_section(); | |
4908 | ||
4909 | f->open_object_section("filelock"); | |
4910 | filelock.dump(f); | |
4911 | f->close_section(); | |
4912 | ||
4913 | f->open_object_section("xattrlock"); | |
4914 | xattrlock.dump(f); | |
4915 | f->close_section(); | |
4916 | ||
4917 | f->open_object_section("snaplock"); | |
4918 | snaplock.dump(f); | |
4919 | f->close_section(); | |
4920 | ||
4921 | f->open_object_section("nestlock"); | |
4922 | nestlock.dump(f); | |
4923 | f->close_section(); | |
4924 | ||
4925 | f->open_object_section("flocklock"); | |
4926 | flocklock.dump(f); | |
4927 | f->close_section(); | |
4928 | ||
4929 | f->open_object_section("policylock"); | |
4930 | policylock.dump(f); | |
4931 | f->close_section(); | |
4932 | } | |
4933 | ||
4934 | if (flags & DUMP_STATE) { | |
4935 | f->open_array_section("states"); | |
4936 | MDSCacheObject::dump_states(f); | |
4937 | if (state_test(STATE_EXPORTING)) | |
4938 | f->dump_string("state", "exporting"); | |
4939 | if (state_test(STATE_OPENINGDIR)) | |
4940 | f->dump_string("state", "openingdir"); | |
4941 | if (state_test(STATE_FREEZING)) | |
4942 | f->dump_string("state", "freezing"); | |
4943 | if (state_test(STATE_FROZEN)) | |
4944 | f->dump_string("state", "frozen"); | |
4945 | if (state_test(STATE_AMBIGUOUSAUTH)) | |
4946 | f->dump_string("state", "ambiguousauth"); | |
4947 | if (state_test(STATE_EXPORTINGCAPS)) | |
4948 | f->dump_string("state", "exportingcaps"); | |
4949 | if (state_test(STATE_NEEDSRECOVER)) | |
4950 | f->dump_string("state", "needsrecover"); | |
4951 | if (state_test(STATE_PURGING)) | |
4952 | f->dump_string("state", "purging"); | |
4953 | if (state_test(STATE_DIRTYPARENT)) | |
4954 | f->dump_string("state", "dirtyparent"); | |
4955 | if (state_test(STATE_DIRTYRSTAT)) | |
4956 | f->dump_string("state", "dirtyrstat"); | |
4957 | if (state_test(STATE_STRAYPINNED)) | |
4958 | f->dump_string("state", "straypinned"); | |
4959 | if (state_test(STATE_FROZENAUTHPIN)) | |
4960 | f->dump_string("state", "frozenauthpin"); | |
4961 | if (state_test(STATE_DIRTYPOOL)) | |
4962 | f->dump_string("state", "dirtypool"); | |
4963 | if (state_test(STATE_ORPHAN)) | |
4964 | f->dump_string("state", "orphan"); | |
4965 | if (state_test(STATE_MISSINGOBJS)) | |
4966 | f->dump_string("state", "missingobjs"); | |
7c673cae FG |
4967 | f->close_section(); |
4968 | } | |
7c673cae | 4969 | |
11fdf7f2 TL |
4970 | if (flags & DUMP_CAPS) { |
4971 | f->open_array_section("client_caps"); | |
4972 | for (const auto &p : client_caps) { | |
4973 | auto &client = p.first; | |
4974 | auto cap = &p.second; | |
4975 | f->open_object_section("client_cap"); | |
4976 | f->dump_int("client_id", client.v); | |
4977 | f->dump_string("pending", ccap_string(cap->pending())); | |
4978 | f->dump_string("issued", ccap_string(cap->issued())); | |
4979 | f->dump_string("wanted", ccap_string(cap->wanted())); | |
4980 | f->dump_int("last_sent", cap->get_last_seq()); | |
4981 | f->close_section(); | |
4982 | } | |
4983 | f->close_section(); | |
4984 | ||
4985 | f->dump_int("loner", loner_cap.v); | |
4986 | f->dump_int("want_loner", want_loner_cap.v); | |
4987 | ||
4988 | f->open_array_section("mds_caps_wanted"); | |
4989 | for (const auto &p : mds_caps_wanted) { | |
4990 | f->open_object_section("mds_cap_wanted"); | |
4991 | f->dump_int("rank", p.first); | |
4992 | f->dump_string("cap", ccap_string(p.second)); | |
4993 | f->close_section(); | |
4994 | } | |
4995 | f->close_section(); | |
4996 | } | |
7c673cae | 4997 | |
11fdf7f2 TL |
4998 | if (flags & DUMP_DIRFRAGS) { |
4999 | f->open_array_section("dirfrags"); | |
9f95a23c | 5000 | auto&& dfs = get_dirfrags(); |
11fdf7f2 TL |
5001 | for(const auto &dir: dfs) { |
5002 | f->open_object_section("dir"); | |
5003 | dir->dump(f, CDir::DUMP_DEFAULT | CDir::DUMP_ITEMS); | |
5004 | dir->check_rstats(); | |
5005 | f->close_section(); | |
5006 | } | |
7c673cae FG |
5007 | f->close_section(); |
5008 | } | |
7c673cae FG |
5009 | } |
5010 | ||
5011 | /****** Scrub Stuff *****/ | |
5012 | void CInode::scrub_info_create() const | |
5013 | { | |
5014 | dout(25) << __func__ << dendl; | |
11fdf7f2 | 5015 | ceph_assert(!scrub_infop); |
7c673cae FG |
5016 | |
5017 | // break out of const-land to set up implicit initial state | |
5018 | CInode *me = const_cast<CInode*>(this); | |
94b18763 | 5019 | mempool_inode *in = me->get_projected_inode(); |
7c673cae FG |
5020 | |
5021 | scrub_info_t *si = new scrub_info_t(); | |
5022 | si->scrub_start_stamp = si->last_scrub_stamp = in->last_scrub_stamp; | |
5023 | si->scrub_start_version = si->last_scrub_version = in->last_scrub_version; | |
5024 | ||
5025 | me->scrub_infop = si; | |
5026 | } | |
5027 | ||
5028 | void CInode::scrub_maybe_delete_info() | |
5029 | { | |
5030 | if (scrub_infop && | |
5031 | !scrub_infop->scrub_in_progress && | |
5032 | !scrub_infop->last_scrub_dirty) { | |
5033 | delete scrub_infop; | |
5034 | scrub_infop = NULL; | |
5035 | } | |
5036 | } | |
5037 | ||
5038 | void CInode::scrub_initialize(CDentry *scrub_parent, | |
b32b8144 | 5039 | ScrubHeaderRef& header, |
11fdf7f2 | 5040 | MDSContext *f) |
7c673cae FG |
5041 | { |
5042 | dout(20) << __func__ << " with scrub_version " << get_version() << dendl; | |
94b18763 FG |
5043 | if (scrub_is_in_progress()) { |
5044 | dout(20) << __func__ << " inode moved during scrub, reinitializing " | |
5045 | << dendl; | |
11fdf7f2 | 5046 | ceph_assert(scrub_infop->scrub_parent); |
94b18763 FG |
5047 | CDentry *dn = scrub_infop->scrub_parent; |
5048 | CDir *dir = dn->dir; | |
5049 | dn->put(CDentry::PIN_SCRUBPARENT); | |
11fdf7f2 | 5050 | ceph_assert(dir->scrub_infop && dir->scrub_infop->directory_scrubbing); |
94b18763 FG |
5051 | dir->scrub_infop->directories_scrubbing.erase(dn->key()); |
5052 | dir->scrub_infop->others_scrubbing.erase(dn->key()); | |
5053 | } | |
7c673cae FG |
5054 | scrub_info(); |
5055 | if (!scrub_infop) | |
5056 | scrub_infop = new scrub_info_t(); | |
5057 | ||
5058 | if (get_projected_inode()->is_dir()) { | |
5059 | // fill in dirfrag_stamps with initial state | |
11fdf7f2 TL |
5060 | frag_vec_t leaves; |
5061 | dirfragtree.get_leaves(leaves); | |
5062 | for (const auto& leaf : leaves) { | |
7c673cae | 5063 | if (header->get_force()) |
11fdf7f2 | 5064 | scrub_infop->dirfrag_stamps[leaf].reset(); |
7c673cae | 5065 | else |
11fdf7f2 | 5066 | scrub_infop->dirfrag_stamps[leaf]; |
7c673cae FG |
5067 | } |
5068 | } | |
5069 | ||
5070 | if (scrub_parent) | |
5071 | scrub_parent->get(CDentry::PIN_SCRUBPARENT); | |
5072 | scrub_infop->scrub_parent = scrub_parent; | |
5073 | scrub_infop->on_finish = f; | |
5074 | scrub_infop->scrub_in_progress = true; | |
5075 | scrub_infop->children_scrubbed = false; | |
5076 | scrub_infop->header = header; | |
5077 | ||
5078 | scrub_infop->scrub_start_version = get_version(); | |
5079 | scrub_infop->scrub_start_stamp = ceph_clock_now(); | |
5080 | // right now we don't handle remote inodes | |
5081 | } | |
5082 | ||
5083 | int CInode::scrub_dirfrag_next(frag_t* out_dirfrag) | |
5084 | { | |
5085 | dout(20) << __func__ << dendl; | |
11fdf7f2 | 5086 | ceph_assert(scrub_is_in_progress()); |
7c673cae FG |
5087 | |
5088 | if (!is_dir()) { | |
5089 | return -ENOTDIR; | |
5090 | } | |
5091 | ||
5092 | std::map<frag_t, scrub_stamp_info_t>::iterator i = | |
5093 | scrub_infop->dirfrag_stamps.begin(); | |
5094 | ||
5095 | while (i != scrub_infop->dirfrag_stamps.end()) { | |
5096 | if (i->second.scrub_start_version < scrub_infop->scrub_start_version) { | |
5097 | i->second.scrub_start_version = get_projected_version(); | |
5098 | i->second.scrub_start_stamp = ceph_clock_now(); | |
5099 | *out_dirfrag = i->first; | |
5100 | dout(20) << " return frag " << *out_dirfrag << dendl; | |
5101 | return 0; | |
5102 | } | |
5103 | ++i; | |
5104 | } | |
5105 | ||
5106 | dout(20) << " no frags left, ENOENT " << dendl; | |
5107 | return ENOENT; | |
5108 | } | |
5109 | ||
11fdf7f2 | 5110 | void CInode::scrub_dirfrags_scrubbing(frag_vec_t* out_dirfrags) |
7c673cae | 5111 | { |
11fdf7f2 TL |
5112 | ceph_assert(out_dirfrags != NULL); |
5113 | ceph_assert(scrub_infop != NULL); | |
7c673cae FG |
5114 | |
5115 | out_dirfrags->clear(); | |
5116 | std::map<frag_t, scrub_stamp_info_t>::iterator i = | |
5117 | scrub_infop->dirfrag_stamps.begin(); | |
5118 | ||
5119 | while (i != scrub_infop->dirfrag_stamps.end()) { | |
5120 | if (i->second.scrub_start_version >= scrub_infop->scrub_start_version) { | |
5121 | if (i->second.last_scrub_version < scrub_infop->scrub_start_version) | |
5122 | out_dirfrags->push_back(i->first); | |
5123 | } else { | |
5124 | return; | |
5125 | } | |
5126 | ||
5127 | ++i; | |
5128 | } | |
5129 | } | |
5130 | ||
5131 | void CInode::scrub_dirfrag_finished(frag_t dirfrag) | |
5132 | { | |
5133 | dout(20) << __func__ << " on frag " << dirfrag << dendl; | |
11fdf7f2 | 5134 | ceph_assert(scrub_is_in_progress()); |
7c673cae FG |
5135 | |
5136 | std::map<frag_t, scrub_stamp_info_t>::iterator i = | |
5137 | scrub_infop->dirfrag_stamps.find(dirfrag); | |
11fdf7f2 | 5138 | ceph_assert(i != scrub_infop->dirfrag_stamps.end()); |
7c673cae FG |
5139 | |
5140 | scrub_stamp_info_t &si = i->second; | |
5141 | si.last_scrub_stamp = si.scrub_start_stamp; | |
5142 | si.last_scrub_version = si.scrub_start_version; | |
5143 | } | |
5144 | ||
11fdf7f2 TL |
5145 | void CInode::scrub_aborted(MDSContext **c) { |
5146 | dout(20) << __func__ << dendl; | |
5147 | ceph_assert(scrub_is_in_progress()); | |
5148 | ||
5149 | *c = nullptr; | |
5150 | std::swap(*c, scrub_infop->on_finish); | |
5151 | ||
5152 | if (scrub_infop->scrub_parent) { | |
5153 | CDentry *dn = scrub_infop->scrub_parent; | |
5154 | scrub_infop->scrub_parent = NULL; | |
5155 | dn->dir->scrub_dentry_finished(dn); | |
5156 | dn->put(CDentry::PIN_SCRUBPARENT); | |
5157 | } | |
5158 | ||
5159 | delete scrub_infop; | |
5160 | scrub_infop = nullptr; | |
5161 | } | |
5162 | ||
5163 | void CInode::scrub_finished(MDSContext **c) { | |
7c673cae | 5164 | dout(20) << __func__ << dendl; |
11fdf7f2 | 5165 | ceph_assert(scrub_is_in_progress()); |
7c673cae FG |
5166 | for (std::map<frag_t, scrub_stamp_info_t>::iterator i = |
5167 | scrub_infop->dirfrag_stamps.begin(); | |
5168 | i != scrub_infop->dirfrag_stamps.end(); | |
5169 | ++i) { | |
5170 | if(i->second.last_scrub_version != i->second.scrub_start_version) { | |
5171 | derr << i->second.last_scrub_version << " != " | |
5172 | << i->second.scrub_start_version << dendl; | |
5173 | } | |
11fdf7f2 | 5174 | ceph_assert(i->second.last_scrub_version == i->second.scrub_start_version); |
7c673cae FG |
5175 | } |
5176 | ||
5177 | scrub_infop->last_scrub_version = scrub_infop->scrub_start_version; | |
5178 | scrub_infop->last_scrub_stamp = scrub_infop->scrub_start_stamp; | |
5179 | scrub_infop->last_scrub_dirty = true; | |
5180 | scrub_infop->scrub_in_progress = false; | |
5181 | ||
5182 | if (scrub_infop->scrub_parent) { | |
5183 | CDentry *dn = scrub_infop->scrub_parent; | |
5184 | scrub_infop->scrub_parent = NULL; | |
5185 | dn->dir->scrub_dentry_finished(dn); | |
5186 | dn->put(CDentry::PIN_SCRUBPARENT); | |
5187 | } | |
5188 | ||
5189 | *c = scrub_infop->on_finish; | |
5190 | scrub_infop->on_finish = NULL; | |
5191 | ||
5192 | if (scrub_infop->header->get_origin() == this) { | |
5193 | // We are at the point that a tagging scrub was initiated | |
5194 | LogChannelRef clog = mdcache->mds->clog; | |
11fdf7f2 TL |
5195 | clog->info() << "scrub complete with tag '" |
5196 | << scrub_infop->header->get_tag() << "'"; | |
7c673cae FG |
5197 | } |
5198 | } | |
5199 | ||
5200 | int64_t CInode::get_backtrace_pool() const | |
5201 | { | |
5202 | if (is_dir()) { | |
5203 | return mdcache->mds->mdsmap->get_metadata_pool(); | |
5204 | } else { | |
5205 | // Files are required to have an explicit layout that specifies | |
5206 | // a pool | |
11fdf7f2 | 5207 | ceph_assert(inode.layout.pool_id != -1); |
7c673cae FG |
5208 | return inode.layout.pool_id; |
5209 | } | |
5210 | } | |
5211 | ||
f6b5b4d7 | 5212 | void CInode::queue_export_pin(mds_rank_t target) |
31f18b77 | 5213 | { |
31f18b77 FG |
5214 | if (state_test(CInode::STATE_QUEUEDEXPORTPIN)) |
5215 | return; | |
5216 | ||
5217 | bool queue = false; | |
f6b5b4d7 TL |
5218 | for (auto& p : dirfrags) { |
5219 | CDir *dir = p.second; | |
31f18b77 FG |
5220 | if (!dir->is_auth()) |
5221 | continue; | |
f6b5b4d7 | 5222 | if (target != MDS_RANK_NONE) { |
31f18b77 FG |
5223 | if (dir->is_subtree_root()) { |
5224 | // set auxsubtree bit or export it | |
5225 | if (!dir->state_test(CDir::STATE_AUXSUBTREE) || | |
f6b5b4d7 | 5226 | target != dir->get_dir_auth().first) |
31f18b77 FG |
5227 | queue = true; |
5228 | } else { | |
5229 | // create aux subtree or export it | |
5230 | queue = true; | |
7c673cae | 5231 | } |
31f18b77 FG |
5232 | } else { |
5233 | // clear aux subtrees ? | |
5234 | queue = dir->state_test(CDir::STATE_AUXSUBTREE); | |
5235 | } | |
5236 | if (queue) { | |
5237 | state_set(CInode::STATE_QUEUEDEXPORTPIN); | |
7c673cae | 5238 | mdcache->export_pin_queue.insert(this); |
31f18b77 | 5239 | break; |
7c673cae FG |
5240 | } |
5241 | } | |
5242 | } | |
5243 | ||
f6b5b4d7 TL |
5244 | void CInode::maybe_export_pin(bool update) |
5245 | { | |
5246 | if (!g_conf()->mds_bal_export_pin) | |
5247 | return; | |
5248 | if (!is_dir() || !is_normal()) | |
5249 | return; | |
5250 | ||
5251 | dout(15) << __func__ << " update=" << update << " " << *this << dendl; | |
5252 | ||
5253 | mds_rank_t export_pin = get_export_pin(false, false); | |
5254 | if (export_pin == MDS_RANK_NONE && !update) { | |
5255 | return; | |
5256 | } | |
5257 | ||
5258 | /* disable ephemeral pins */ | |
5259 | set_ephemeral_dist(false); | |
5260 | set_ephemeral_rand(false); | |
5261 | queue_export_pin(export_pin); | |
5262 | } | |
5263 | ||
5264 | void CInode::set_ephemeral_dist(bool yes) | |
5265 | { | |
5266 | if (yes) { | |
5267 | if (!state_test(CInode::STATE_DISTEPHEMERALPIN)) { | |
5268 | state_set(CInode::STATE_DISTEPHEMERALPIN); | |
5269 | auto p = mdcache->dist_ephemeral_pins.insert(this); | |
5270 | ceph_assert(p.second); | |
5271 | } | |
5272 | } else { | |
5273 | /* avoid std::set::erase if unnecessary */ | |
5274 | if (state_test(CInode::STATE_DISTEPHEMERALPIN)) { | |
5275 | dout(10) << "clearing ephemeral distributed pin on " << *this << dendl; | |
5276 | state_clear(CInode::STATE_DISTEPHEMERALPIN); | |
5277 | auto count = mdcache->dist_ephemeral_pins.erase(this); | |
5278 | ceph_assert(count == 1); | |
5279 | queue_export_pin(MDS_RANK_NONE); | |
5280 | } | |
5281 | } | |
5282 | } | |
5283 | ||
5284 | void CInode::maybe_ephemeral_dist(bool update) | |
5285 | { | |
5286 | if (!mdcache->get_export_ephemeral_distributed_config()) { | |
5287 | dout(15) << __func__ << " config false: cannot ephemeral distributed pin " << *this << dendl; | |
5288 | set_ephemeral_dist(false); | |
5289 | return; | |
5290 | } else if (!is_dir() || !is_normal()) { | |
5291 | dout(15) << __func__ << " !dir or !normal: cannot ephemeral distributed pin " << *this << dendl; | |
5292 | set_ephemeral_dist(false); | |
5293 | return; | |
5294 | } else if (get_inode().nlink == 0) { | |
5295 | dout(15) << __func__ << " unlinked directory: cannot ephemeral distributed pin " << *this << dendl; | |
5296 | set_ephemeral_dist(false); | |
5297 | return; | |
5298 | } else if (!update && state_test(CInode::STATE_DISTEPHEMERALPIN)) { | |
5299 | dout(15) << __func__ << " requeueing already pinned " << *this << dendl; | |
5300 | queue_export_pin(mdcache->hash_into_rank_bucket(ino())); | |
5301 | return; | |
5302 | } | |
5303 | ||
5304 | dout(15) << __func__ << " update=" << update << " " << *this << dendl; | |
5305 | ||
5306 | auto dir = get_parent_dir(); | |
5307 | if (!dir) { | |
5308 | return; | |
5309 | } | |
5310 | ||
5311 | bool pin = dir->get_inode()->get_inode().export_ephemeral_distributed_pin; | |
5312 | if (pin) { | |
5313 | dout(10) << __func__ << " ephemeral distributed pinning " << *this << dendl; | |
5314 | set_ephemeral_dist(true); | |
5315 | queue_export_pin(mdcache->hash_into_rank_bucket(ino())); | |
5316 | } else if (update) { | |
5317 | set_ephemeral_dist(false); | |
5318 | queue_export_pin(MDS_RANK_NONE); | |
5319 | } | |
5320 | } | |
5321 | ||
5322 | void CInode::maybe_ephemeral_dist_children(bool update) | |
5323 | { | |
5324 | if (!mdcache->get_export_ephemeral_distributed_config()) { | |
5325 | dout(15) << __func__ << " config false: cannot ephemeral distributed pin " << *this << dendl; | |
5326 | return; | |
5327 | } else if (!is_dir() || !is_normal()) { | |
5328 | dout(15) << __func__ << " !dir or !normal: cannot ephemeral distributed pin " << *this << dendl; | |
5329 | return; | |
5330 | } else if (get_inode().nlink == 0) { | |
5331 | dout(15) << __func__ << " unlinked directory: cannot ephemeral distributed pin " << *this << dendl; | |
5332 | return; | |
5333 | } | |
5334 | ||
5335 | bool pin = get_inode().export_ephemeral_distributed_pin; | |
5336 | /* FIXME: expensive to iterate children when not updating */ | |
5337 | if (!pin && !update) { | |
5338 | return; | |
5339 | } | |
5340 | ||
5341 | dout(10) << __func__ << " maybe ephemerally pinning children of " << *this << dendl; | |
5342 | for (auto& p : dirfrags) { | |
5343 | auto& dir = p.second; | |
5344 | for (auto& q : *dir) { | |
5345 | auto& dn = q.second; | |
5346 | auto&& in = dn->get_linkage()->get_inode(); | |
5347 | if (in && in->is_dir()) { | |
5348 | in->maybe_ephemeral_dist(update); | |
5349 | } | |
5350 | } | |
5351 | } | |
5352 | } | |
5353 | ||
5354 | void CInode::set_ephemeral_rand(bool yes) | |
5355 | { | |
5356 | if (yes) { | |
5357 | if (!state_test(CInode::STATE_RANDEPHEMERALPIN)) { | |
5358 | state_set(CInode::STATE_RANDEPHEMERALPIN); | |
5359 | auto p = mdcache->rand_ephemeral_pins.insert(this); | |
5360 | ceph_assert(p.second); | |
5361 | } | |
5362 | } else { | |
5363 | if (state_test(CInode::STATE_RANDEPHEMERALPIN)) { | |
5364 | dout(10) << "clearing ephemeral random pin on " << *this << dendl; | |
5365 | state_clear(CInode::STATE_RANDEPHEMERALPIN); | |
5366 | auto count = mdcache->rand_ephemeral_pins.erase(this); | |
5367 | ceph_assert(count == 1); | |
5368 | queue_export_pin(MDS_RANK_NONE); | |
5369 | } | |
5370 | } | |
5371 | } | |
5372 | ||
f91f0fd5 | 5373 | void CInode::maybe_ephemeral_rand(bool fresh, double threshold) |
f6b5b4d7 TL |
5374 | { |
5375 | if (!mdcache->get_export_ephemeral_random_config()) { | |
5376 | dout(15) << __func__ << " config false: cannot ephemeral random pin " << *this << dendl; | |
5377 | set_ephemeral_rand(false); | |
5378 | return; | |
5379 | } else if (!is_dir() || !is_normal()) { | |
5380 | dout(15) << __func__ << " !dir or !normal: cannot ephemeral random pin " << *this << dendl; | |
5381 | set_ephemeral_rand(false); | |
5382 | return; | |
5383 | } else if (get_inode().nlink == 0) { | |
5384 | dout(15) << __func__ << " unlinked directory: cannot ephemeral random pin " << *this << dendl; | |
5385 | set_ephemeral_rand(false); | |
5386 | return; | |
5387 | } else if (state_test(CInode::STATE_RANDEPHEMERALPIN)) { | |
5388 | dout(10) << __func__ << " already ephemeral random pinned: requeueing " << *this << dendl; | |
5389 | queue_export_pin(mdcache->hash_into_rank_bucket(ino())); | |
5390 | return; | |
5391 | } else if (!fresh) { | |
5392 | return; | |
5393 | } | |
5394 | ||
f91f0fd5 TL |
5395 | /* not precomputed? */ |
5396 | if (threshold < 0.0) { | |
5397 | threshold = get_ephemeral_rand(); | |
5398 | } | |
5399 | if (threshold <= 0.0) { | |
5400 | return; | |
5401 | } | |
f6b5b4d7 TL |
5402 | double n = ceph::util::generate_random_number(0.0, 1.0); |
5403 | ||
5404 | dout(15) << __func__ << " rand " << n << " <?= " << threshold | |
5405 | << " " << *this << dendl; | |
5406 | ||
5407 | if (n <= threshold) { | |
5408 | dout(10) << __func__ << " randomly export pinning " << *this << dendl; | |
5409 | set_ephemeral_rand(true); | |
5410 | queue_export_pin(mdcache->hash_into_rank_bucket(ino())); | |
5411 | } | |
5412 | } | |
5413 | ||
5414 | void CInode::setxattr_ephemeral_rand(double probability) | |
5415 | { | |
5416 | ceph_assert(is_dir()); | |
5417 | ceph_assert(is_projected()); | |
5418 | get_projected_inode()->export_ephemeral_random_pin = probability; | |
5419 | } | |
5420 | ||
5421 | void CInode::setxattr_ephemeral_dist(bool val) | |
5422 | { | |
5423 | ceph_assert(is_dir()); | |
5424 | ceph_assert(is_projected()); | |
5425 | get_projected_inode()->export_ephemeral_distributed_pin = val; | |
5426 | } | |
5427 | ||
7c673cae FG |
5428 | void CInode::set_export_pin(mds_rank_t rank) |
5429 | { | |
11fdf7f2 TL |
5430 | ceph_assert(is_dir()); |
5431 | ceph_assert(is_projected()); | |
7c673cae | 5432 | get_projected_inode()->export_pin = rank; |
7c673cae FG |
5433 | } |
5434 | ||
f6b5b4d7 TL |
5435 | void CInode::check_pin_policy() |
5436 | { | |
5437 | const CInode *in = this; | |
5438 | mds_rank_t etarget = MDS_RANK_NONE; | |
5439 | while (true) { | |
5440 | if (in->is_system()) | |
5441 | break; | |
5442 | const CDentry *pdn = in->get_parent_dn(); | |
5443 | if (!pdn) | |
5444 | break; | |
5445 | if (in->get_inode().nlink == 0) { | |
5446 | // ignore export pin for unlinked directory | |
5447 | return; | |
5448 | } else if (etarget != MDS_RANK_NONE && in->has_ephemeral_policy()) { | |
5449 | return; | |
5450 | } else if (in->get_inode().export_pin >= 0) { | |
5451 | /* clear any epin policy */ | |
5452 | set_ephemeral_dist(false); | |
5453 | set_ephemeral_rand(false); | |
5454 | return; | |
5455 | } else if (etarget == MDS_RANK_NONE && in->is_ephemerally_pinned()) { | |
5456 | /* If a parent overrides a grandparent ephemeral pin policy with an export pin, we use that export pin instead. */ | |
5457 | etarget = mdcache->hash_into_rank_bucket(in->ino()); | |
5458 | } | |
5459 | in = pdn->get_dir()->inode; | |
5460 | } | |
5461 | } | |
5462 | ||
5463 | mds_rank_t CInode::get_export_pin(bool inherit, bool ephemeral) const | |
7c673cae FG |
5464 | { |
5465 | /* An inode that is export pinned may not necessarily be a subtree root, we | |
5466 | * need to traverse the parents. A base or system inode cannot be pinned. | |
5467 | * N.B. inodes not yet linked into a dir (i.e. anonymous inodes) will not | |
5468 | * have a parent yet. | |
5469 | */ | |
b32b8144 | 5470 | const CInode *in = this; |
f6b5b4d7 TL |
5471 | mds_rank_t etarget = MDS_RANK_NONE; |
5472 | while (true) { | |
5473 | if (in->is_system()) | |
5474 | break; | |
5475 | const CDentry *pdn = in->get_parent_dn(); | |
5476 | if (!pdn) | |
5477 | break; | |
5478 | if (in->get_inode().nlink == 0) { | |
5479 | // ignore export pin for unlinked directory | |
5480 | return MDS_RANK_NONE; | |
5481 | } else if (etarget != MDS_RANK_NONE && in->has_ephemeral_policy()) { | |
5482 | return etarget; | |
5483 | } else if (in->get_inode().export_pin >= 0) { | |
5484 | return in->get_inode().export_pin; | |
5485 | } else if (etarget == MDS_RANK_NONE && ephemeral && in->is_ephemerally_pinned()) { | |
5486 | /* If a parent overrides a grandparent ephemeral pin policy with an export pin, we use that export pin instead. */ | |
5487 | etarget = mdcache->hash_into_rank_bucket(in->ino()); | |
5488 | if (!inherit) return etarget; | |
5489 | } | |
5490 | ||
5491 | if (!inherit) { | |
5492 | break; | |
5493 | } | |
5494 | in = pdn->get_dir()->inode; | |
5495 | } | |
5496 | return MDS_RANK_NONE; | |
5497 | } | |
5498 | ||
5499 | double CInode::get_ephemeral_rand(bool inherit) const | |
5500 | { | |
5501 | /* N.B. inodes not yet linked into a dir (i.e. anonymous inodes) will not | |
5502 | * have a parent yet. | |
5503 | */ | |
5504 | const CInode *in = this; | |
5505 | double max = mdcache->export_ephemeral_random_max; | |
b32b8144 FG |
5506 | while (true) { |
5507 | if (in->is_system()) | |
5508 | break; | |
f64942e4 | 5509 | const CDentry *pdn = in->get_parent_dn(); |
b32b8144 FG |
5510 | if (!pdn) |
5511 | break; | |
b32b8144 | 5512 | // ignore export pin for unlinked directory |
f64942e4 | 5513 | if (in->get_inode().nlink == 0) |
b32b8144 | 5514 | break; |
f6b5b4d7 TL |
5515 | |
5516 | if (in->get_inode().export_ephemeral_random_pin > 0.0) | |
5517 | return std::min(in->get_inode().export_ephemeral_random_pin, max); | |
5518 | ||
5519 | /* An export_pin overrides only if no closer parent (incl. this one) has a | |
5520 | * random pin set. | |
5521 | */ | |
f64942e4 | 5522 | if (in->get_inode().export_pin >= 0) |
f6b5b4d7 | 5523 | return 0.0; |
b32b8144 FG |
5524 | |
5525 | if (!inherit) | |
5526 | break; | |
5527 | in = pdn->get_dir()->inode; | |
7c673cae | 5528 | } |
f6b5b4d7 | 5529 | return 0.0; |
7c673cae FG |
5530 | } |
5531 | ||
5532 | bool CInode::is_exportable(mds_rank_t dest) const | |
5533 | { | |
5534 | mds_rank_t pin = get_export_pin(); | |
5535 | if (pin == dest) { | |
5536 | return true; | |
5537 | } else if (pin >= 0) { | |
5538 | return false; | |
5539 | } else { | |
5540 | return true; | |
5541 | } | |
5542 | } | |
181888fb | 5543 | |
9f95a23c TL |
5544 | void CInode::get_nested_dirfrags(std::vector<CDir*>& v) const |
5545 | { | |
5546 | for (const auto &p : dirfrags) { | |
5547 | const auto& dir = p.second; | |
5548 | if (!dir->is_subtree_root()) | |
5549 | v.push_back(dir); | |
5550 | } | |
5551 | } | |
5552 | ||
5553 | void CInode::get_subtree_dirfrags(std::vector<CDir*>& v) const | |
5554 | { | |
5555 | for (const auto &p : dirfrags) { | |
5556 | const auto& dir = p.second; | |
5557 | if (dir->is_subtree_root()) | |
5558 | v.push_back(dir); | |
5559 | } | |
5560 | } | |
5561 | ||
181888fb | 5562 | MEMPOOL_DEFINE_OBJECT_FACTORY(CInode, co_inode, mds_co); |