1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
15 #include "include/int_types.h"
16 #include "common/errno.h"
31 #include "events/EUpdate.h"
33 #include "osdc/Objecter.h"
37 #include "LogSegment.h"
39 #include "common/Clock.h"
41 #include "messages/MLock.h"
42 #include "messages/MClientCaps.h"
44 #include "common/config.h"
45 #include "global/global_context.h"
46 #include "include/assert.h"
48 #include "mds/MDSContinuation.h"
49 #include "mds/InoTable.h"
51 #define dout_context g_ceph_context
52 #define dout_subsys ceph_subsys_mds
54 #define dout_prefix *_dout << "mds." << mdcache->mds->get_nodeid() << ".cache.ino(" << inode.ino << ") "
57 class CInodeIOContext
: public MDSIOContextBase
61 MDSRank
*get_mds() override
{return in
->mdcache
->mds
;}
63 explicit CInodeIOContext(CInode
*in_
) : in(in_
) {
69 LockType
CInode::versionlock_type(CEPH_LOCK_IVERSION
);
70 LockType
CInode::authlock_type(CEPH_LOCK_IAUTH
);
71 LockType
CInode::linklock_type(CEPH_LOCK_ILINK
);
72 LockType
CInode::dirfragtreelock_type(CEPH_LOCK_IDFT
);
73 LockType
CInode::filelock_type(CEPH_LOCK_IFILE
);
74 LockType
CInode::xattrlock_type(CEPH_LOCK_IXATTR
);
75 LockType
CInode::snaplock_type(CEPH_LOCK_ISNAP
);
76 LockType
CInode::nestlock_type(CEPH_LOCK_INEST
);
77 LockType
CInode::flocklock_type(CEPH_LOCK_IFLOCK
);
78 LockType
CInode::policylock_type(CEPH_LOCK_IPOLICY
);
80 //int cinode_pins[CINODE_NUM_PINS]; // counts
81 ostream
& CInode::print_db_line_prefix(ostream
& out
)
83 return out
<< ceph_clock_now() << " mds." << mdcache
->mds
->get_nodeid() << ".cache.ino(" << inode
.ino
<< ") ";
87 * write caps and lock ids
89 struct cinode_lock_info_t cinode_lock_info
[] = {
90 { CEPH_LOCK_IFILE
, CEPH_CAP_ANY_FILE_WR
},
91 { CEPH_LOCK_IAUTH
, CEPH_CAP_AUTH_EXCL
},
92 { CEPH_LOCK_ILINK
, CEPH_CAP_LINK_EXCL
},
93 { CEPH_LOCK_IXATTR
, CEPH_CAP_XATTR_EXCL
},
95 int num_cinode_locks
= sizeof(cinode_lock_info
) / sizeof(cinode_lock_info
[0]);
99 ostream
& operator<<(ostream
& out
, const CInode
& in
)
102 in
.make_path_string(path
, true);
104 out
<< "[inode " << in
.inode
.ino
;
106 << (in
.is_multiversion() ? "...":"")
107 << in
.first
<< "," << in
.last
<< "]";
108 out
<< " " << path
<< (in
.is_dir() ? "/":"");
112 if (in
.is_replicated())
113 out
<< in
.get_replicas();
115 mds_authority_t a
= in
.authority();
116 out
<< " rep@" << a
.first
;
117 if (a
.second
!= CDIR_AUTH_UNKNOWN
)
118 out
<< "," << a
.second
;
119 out
<< "." << in
.get_replica_nonce();
123 out
<< " symlink='" << in
.symlink
<< "'";
124 if (in
.is_dir() && !in
.dirfragtree
.empty())
125 out
<< " " << in
.dirfragtree
;
127 out
<< " v" << in
.get_version();
128 if (in
.get_projected_version() > in
.get_version())
129 out
<< " pv" << in
.get_projected_version();
131 if (in
.is_auth_pinned()) {
132 out
<< " ap=" << in
.get_num_auth_pins() << "+" << in
.get_num_nested_auth_pins();
133 #ifdef MDS_AUTHPIN_SET
134 out
<< "(" << in
.auth_pin_set
<< ")";
139 out
<< " snaprealm=" << in
.snaprealm
;
141 if (in
.state_test(CInode::STATE_AMBIGUOUSAUTH
)) out
<< " AMBIGAUTH";
142 if (in
.state_test(CInode::STATE_NEEDSRECOVER
)) out
<< " needsrecover";
143 if (in
.state_test(CInode::STATE_RECOVERING
)) out
<< " recovering";
144 if (in
.state_test(CInode::STATE_DIRTYPARENT
)) out
<< " dirtyparent";
145 if (in
.state_test(CInode::STATE_MISSINGOBJS
)) out
<< " missingobjs";
146 if (in
.is_freezing_inode()) out
<< " FREEZING=" << in
.auth_pin_freeze_allowance
;
147 if (in
.is_frozen_inode()) out
<< " FROZEN";
148 if (in
.is_frozen_auth_pin()) out
<< " FROZEN_AUTHPIN";
150 const inode_t
*pi
= in
.get_projected_inode();
151 if (pi
->is_truncating())
152 out
<< " truncating(" << pi
->truncate_from
<< " to " << pi
->truncate_size
<< ")";
154 if (in
.inode
.is_dir()) {
155 out
<< " " << in
.inode
.dirstat
;
156 if (g_conf
->mds_debug_scatterstat
&& in
.is_projected()) {
157 const inode_t
*pi
= in
.get_projected_inode();
158 out
<< "->" << pi
->dirstat
;
161 out
<< " s=" << in
.inode
.size
;
162 if (in
.inode
.nlink
!= 1)
163 out
<< " nl=" << in
.inode
.nlink
;
167 out
<< " " << in
.inode
.rstat
;
168 if (!(in
.inode
.rstat
== in
.inode
.accounted_rstat
))
169 out
<< "/" << in
.inode
.accounted_rstat
;
170 if (g_conf
->mds_debug_scatterstat
&& in
.is_projected()) {
171 const inode_t
*pi
= in
.get_projected_inode();
172 out
<< "->" << pi
->rstat
;
173 if (!(pi
->rstat
== pi
->accounted_rstat
))
174 out
<< "/" << pi
->accounted_rstat
;
177 if (!in
.client_need_snapflush
.empty())
178 out
<< " need_snapflush=" << in
.client_need_snapflush
;
182 if (!in
.authlock
.is_sync_and_unlocked())
183 out
<< " " << in
.authlock
;
184 if (!in
.linklock
.is_sync_and_unlocked())
185 out
<< " " << in
.linklock
;
186 if (in
.inode
.is_dir()) {
187 if (!in
.dirfragtreelock
.is_sync_and_unlocked())
188 out
<< " " << in
.dirfragtreelock
;
189 if (!in
.snaplock
.is_sync_and_unlocked())
190 out
<< " " << in
.snaplock
;
191 if (!in
.nestlock
.is_sync_and_unlocked())
192 out
<< " " << in
.nestlock
;
193 if (!in
.policylock
.is_sync_and_unlocked())
194 out
<< " " << in
.policylock
;
196 if (!in
.flocklock
.is_sync_and_unlocked())
197 out
<< " " << in
.flocklock
;
199 if (!in
.filelock
.is_sync_and_unlocked())
200 out
<< " " << in
.filelock
;
201 if (!in
.xattrlock
.is_sync_and_unlocked())
202 out
<< " " << in
.xattrlock
;
203 if (!in
.versionlock
.is_sync_and_unlocked())
204 out
<< " " << in
.versionlock
;
206 // hack: spit out crap on which clients have caps
207 if (in
.inode
.client_ranges
.size())
208 out
<< " cr=" << in
.inode
.client_ranges
;
210 if (!in
.get_client_caps().empty()) {
212 for (map
<client_t
,Capability
*>::const_iterator it
= in
.get_client_caps().begin();
213 it
!= in
.get_client_caps().end();
215 if (it
!= in
.get_client_caps().begin()) out
<< ",";
216 out
<< it
->first
<< "="
217 << ccap_string(it
->second
->pending());
218 if (it
->second
->issued() != it
->second
->pending())
219 out
<< "/" << ccap_string(it
->second
->issued());
220 out
<< "/" << ccap_string(it
->second
->wanted())
221 << "@" << it
->second
->get_last_sent();
224 if (in
.get_loner() >= 0 || in
.get_wanted_loner() >= 0) {
225 out
<< ",l=" << in
.get_loner();
226 if (in
.get_loner() != in
.get_wanted_loner())
227 out
<< "(" << in
.get_wanted_loner() << ")";
230 if (!in
.get_mds_caps_wanted().empty()) {
232 for (compact_map
<int,int>::const_iterator p
= in
.get_mds_caps_wanted().begin();
233 p
!= in
.get_mds_caps_wanted().end();
235 if (p
!= in
.get_mds_caps_wanted().begin())
237 out
<< p
->first
<< '=' << ccap_string(p
->second
);
242 if (in
.get_num_ref()) {
244 in
.print_pin_set(out
);
247 if (in
.inode
.export_pin
!= MDS_RANK_NONE
) {
248 out
<< " export_pin=" << in
.inode
.export_pin
;
256 ostream
& operator<<(ostream
& out
, const CInode::scrub_stamp_info_t
& si
)
258 out
<< "{scrub_start_version: " << si
.scrub_start_version
259 << ", scrub_start_stamp: " << si
.scrub_start_stamp
260 << ", last_scrub_version: " << si
.last_scrub_version
261 << ", last_scrub_stamp: " << si
.last_scrub_stamp
;
267 void CInode::print(ostream
& out
)
274 void CInode::add_need_snapflush(CInode
*snapin
, snapid_t snapid
, client_t client
)
276 dout(10) << "add_need_snapflush client." << client
<< " snapid " << snapid
<< " on " << snapin
<< dendl
;
278 if (client_need_snapflush
.empty()) {
279 get(CInode::PIN_NEEDSNAPFLUSH
);
281 // FIXME: this is non-optimal, as we'll block freezes/migrations for potentially
282 // long periods waiting for clients to flush their snaps.
283 auth_pin(this); // pin head inode...
286 set
<client_t
>& clients
= client_need_snapflush
[snapid
];
288 snapin
->auth_pin(this); // ...and pin snapped/old inode!
290 clients
.insert(client
);
293 void CInode::remove_need_snapflush(CInode
*snapin
, snapid_t snapid
, client_t client
)
295 dout(10) << "remove_need_snapflush client." << client
<< " snapid " << snapid
<< " on " << snapin
<< dendl
;
296 compact_map
<snapid_t
, std::set
<client_t
> >::iterator p
= client_need_snapflush
.find(snapid
);
297 if (p
== client_need_snapflush
.end()) {
298 dout(10) << " snapid not found" << dendl
;
301 if (!p
->second
.count(client
)) {
302 dout(10) << " client not found" << dendl
;
305 p
->second
.erase(client
);
306 if (p
->second
.empty()) {
307 client_need_snapflush
.erase(p
);
308 snapin
->auth_unpin(this);
310 if (client_need_snapflush
.empty()) {
311 put(CInode::PIN_NEEDSNAPFLUSH
);
317 bool CInode::split_need_snapflush(CInode
*cowin
, CInode
*in
)
319 dout(10) << "split_need_snapflush [" << cowin
->first
<< "," << cowin
->last
<< "] for " << *cowin
<< dendl
;
320 bool need_flush
= false;
321 for (compact_map
<snapid_t
, set
<client_t
> >::iterator p
= client_need_snapflush
.lower_bound(cowin
->first
);
322 p
!= client_need_snapflush
.end() && p
->first
< in
->first
; ) {
323 compact_map
<snapid_t
, set
<client_t
> >::iterator q
= p
;
325 assert(!q
->second
.empty());
326 if (cowin
->last
>= q
->first
) {
327 cowin
->auth_pin(this);
330 client_need_snapflush
.erase(q
);
331 in
->auth_unpin(this);
336 void CInode::mark_dirty_rstat()
338 if (!state_test(STATE_DIRTYRSTAT
)) {
339 dout(10) << "mark_dirty_rstat" << dendl
;
340 state_set(STATE_DIRTYRSTAT
);
342 CDentry
*dn
= get_projected_parent_dn();
343 CDir
*pdir
= dn
->dir
;
344 pdir
->dirty_rstat_inodes
.push_back(&dirty_rstat_item
);
346 mdcache
->mds
->locker
->mark_updated_scatterlock(&pdir
->inode
->nestlock
);
349 void CInode::clear_dirty_rstat()
351 if (state_test(STATE_DIRTYRSTAT
)) {
352 dout(10) << "clear_dirty_rstat" << dendl
;
353 state_clear(STATE_DIRTYRSTAT
);
355 dirty_rstat_item
.remove_myself();
359 inode_t
*CInode::project_inode(map
<string
,bufferptr
> *px
)
361 if (projected_nodes
.empty()) {
362 projected_nodes
.push_back(new projected_inode_t(new inode_t(inode
)));
366 projected_nodes
.push_back(new projected_inode_t(
367 new inode_t(*projected_nodes
.back()->inode
)));
369 *px
= *get_projected_xattrs();
372 projected_inode_t
&pi
= *projected_nodes
.back();
376 ++num_projected_xattrs
;
379 if (scrub_infop
&& scrub_infop
->last_scrub_dirty
) {
380 pi
.inode
->last_scrub_stamp
= scrub_infop
->last_scrub_stamp
;
381 pi
.inode
->last_scrub_version
= scrub_infop
->last_scrub_version
;
382 scrub_infop
->last_scrub_dirty
= false;
383 scrub_maybe_delete_info();
385 dout(15) << "project_inode " << pi
.inode
<< dendl
;
389 void CInode::pop_and_dirty_projected_inode(LogSegment
*ls
)
391 assert(!projected_nodes
.empty());
392 dout(15) << "pop_and_dirty_projected_inode " << projected_nodes
.front()->inode
393 << " v" << projected_nodes
.front()->inode
->version
<< dendl
;
394 int64_t old_pool
= inode
.layout
.pool_id
;
396 mark_dirty(projected_nodes
.front()->inode
->version
, ls
);
397 inode
= *projected_nodes
.front()->inode
;
399 if (inode
.is_backtrace_updated())
400 _mark_dirty_parent(ls
, old_pool
!= inode
.layout
.pool_id
);
402 map
<string
,bufferptr
> *px
= projected_nodes
.front()->xattrs
;
404 --num_projected_xattrs
;
409 if (projected_nodes
.front()->snapnode
) {
410 pop_projected_snaprealm(projected_nodes
.front()->snapnode
);
411 --num_projected_srnodes
;
414 delete projected_nodes
.front()->inode
;
415 delete projected_nodes
.front();
417 projected_nodes
.pop_front();
420 sr_t
*CInode::project_snaprealm(snapid_t snapid
)
422 sr_t
*cur_srnode
= get_projected_srnode();
426 new_srnode
= new sr_t(*cur_srnode
);
428 new_srnode
= new sr_t();
429 new_srnode
->created
= snapid
;
430 new_srnode
->current_parent_since
= get_oldest_snap();
432 dout(10) << "project_snaprealm " << new_srnode
<< dendl
;
433 projected_nodes
.back()->snapnode
= new_srnode
;
434 ++num_projected_srnodes
;
438 /* if newparent != parent, add parent to past_parents
439 if parent DNE, we need to find what the parent actually is and fill that in */
440 void CInode::project_past_snaprealm_parent(SnapRealm
*newparent
)
442 sr_t
*new_snap
= project_snaprealm();
443 SnapRealm
*oldparent
;
445 oldparent
= find_snaprealm();
446 new_snap
->seq
= oldparent
->get_newest_seq();
449 oldparent
= snaprealm
->parent
;
451 if (newparent
!= oldparent
) {
452 snapid_t oldparentseq
= oldparent
->get_newest_seq();
453 if (oldparentseq
+ 1 > new_snap
->current_parent_since
) {
454 new_snap
->past_parents
[oldparentseq
].ino
= oldparent
->inode
->ino();
455 new_snap
->past_parents
[oldparentseq
].first
= new_snap
->current_parent_since
;
457 new_snap
->current_parent_since
= MAX(oldparentseq
, newparent
->get_last_created()) + 1;
461 void CInode::pop_projected_snaprealm(sr_t
*next_snaprealm
)
463 assert(next_snaprealm
);
464 dout(10) << "pop_projected_snaprealm " << next_snaprealm
465 << " seq" << next_snaprealm
->seq
<< dendl
;
466 bool invalidate_cached_snaps
= false;
469 } else if (next_snaprealm
->past_parents
.size() !=
470 snaprealm
->srnode
.past_parents
.size()) {
471 invalidate_cached_snaps
= true;
472 // re-open past parents
473 snaprealm
->_close_parents();
475 dout(10) << " realm " << *snaprealm
<< " past_parents " << snaprealm
->srnode
.past_parents
476 << " -> " << next_snaprealm
->past_parents
<< dendl
;
478 snaprealm
->srnode
= *next_snaprealm
;
479 delete next_snaprealm
;
481 // we should be able to open these up (or have them already be open).
482 bool ok
= snaprealm
->_open_parents(NULL
);
485 if (invalidate_cached_snaps
)
486 snaprealm
->invalidate_cached_snaps();
488 if (snaprealm
->parent
)
489 dout(10) << " realm " << *snaprealm
<< " parent " << *snaprealm
->parent
<< dendl
;
493 // ====== CInode =======
497 __u32
InodeStoreBase::hash_dentry_name(const string
&dn
)
499 int which
= inode
.dir_layout
.dl_dir_hash
;
501 which
= CEPH_STR_HASH_LINUX
;
502 assert(ceph_str_hash_valid(which
));
503 return ceph_str_hash(which
, dn
.data(), dn
.length());
506 frag_t
InodeStoreBase::pick_dirfrag(const string
& dn
)
508 if (dirfragtree
.empty())
509 return frag_t(); // avoid the string hash if we can.
511 __u32 h
= hash_dentry_name(dn
);
512 return dirfragtree
[h
];
515 bool CInode::get_dirfrags_under(frag_t fg
, list
<CDir
*>& ls
)
519 dirfragtree
.get_leaves_under(fg
, fglist
);
520 for (list
<frag_t
>::iterator p
= fglist
.begin(); p
!= fglist
.end(); ++p
)
521 if (dirfrags
.count(*p
))
522 ls
.push_back(dirfrags
[*p
]);
530 tmpdft
.force_to_leaf(g_ceph_context
, fg
);
531 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin(); p
!= dirfrags
.end(); ++p
) {
532 tmpdft
.force_to_leaf(g_ceph_context
, p
->first
);
533 if (fg
.contains(p
->first
) && !dirfragtree
.is_leaf(p
->first
))
534 ls
.push_back(p
->second
);
538 tmpdft
.get_leaves_under(fg
, fglist
);
539 for (list
<frag_t
>::iterator p
= fglist
.begin(); p
!= fglist
.end(); ++p
)
540 if (!dirfrags
.count(*p
)) {
548 void CInode::verify_dirfrags()
551 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin(); p
!= dirfrags
.end(); ++p
) {
552 if (!dirfragtree
.is_leaf(p
->first
)) {
553 dout(0) << "have open dirfrag " << p
->first
<< " but not leaf in " << dirfragtree
554 << ": " << *p
->second
<< dendl
;
561 void CInode::force_dirfrags()
564 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin(); p
!= dirfrags
.end(); ++p
) {
565 if (!dirfragtree
.is_leaf(p
->first
)) {
566 dout(0) << "have open dirfrag " << p
->first
<< " but not leaf in " << dirfragtree
567 << ": " << *p
->second
<< dendl
;
574 dirfragtree
.get_leaves(leaves
);
575 for (list
<frag_t
>::iterator p
= leaves
.begin(); p
!= leaves
.end(); ++p
)
576 mdcache
->get_force_dirfrag(dirfrag_t(ino(),*p
), true);
582 CDir
*CInode::get_approx_dirfrag(frag_t fg
)
584 CDir
*dir
= get_dirfrag(fg
);
589 get_dirfrags_under(fg
, ls
);
594 while (fg
.bits() > 0) {
596 dir
= get_dirfrag(fg
);
602 void CInode::get_dirfrags(list
<CDir
*>& ls
)
605 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
608 ls
.push_back(p
->second
);
610 void CInode::get_nested_dirfrags(list
<CDir
*>& ls
)
612 // dirfrags in same subtree
613 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
616 if (!p
->second
->is_subtree_root())
617 ls
.push_back(p
->second
);
619 void CInode::get_subtree_dirfrags(list
<CDir
*>& ls
)
621 // dirfrags that are roots of new subtrees
622 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
625 if (p
->second
->is_subtree_root())
626 ls
.push_back(p
->second
);
630 CDir
*CInode::get_or_open_dirfrag(MDCache
*mdcache
, frag_t fg
)
635 CDir
*dir
= get_dirfrag(fg
);
638 assert(is_auth() || mdcache
->mds
->is_any_replay());
639 dir
= new CDir(this, fg
, mdcache
, is_auth());
645 CDir
*CInode::add_dirfrag(CDir
*dir
)
647 assert(dirfrags
.count(dir
->dirfrag().frag
) == 0);
648 dirfrags
[dir
->dirfrag().frag
] = dir
;
650 if (stickydir_ref
> 0) {
651 dir
->state_set(CDir::STATE_STICKY
);
652 dir
->get(CDir::PIN_STICKY
);
660 void CInode::close_dirfrag(frag_t fg
)
662 dout(14) << "close_dirfrag " << fg
<< dendl
;
663 assert(dirfrags
.count(fg
));
665 CDir
*dir
= dirfrags
[fg
];
666 dir
->remove_null_dentries();
672 if (stickydir_ref
> 0) {
673 dir
->state_clear(CDir::STATE_STICKY
);
674 dir
->put(CDir::PIN_STICKY
);
677 // dump any remaining dentries, for debugging purposes
678 for (CDir::map_t::iterator p
= dir
->items
.begin();
679 p
!= dir
->items
.end();
681 dout(14) << "close_dirfrag LEFTOVER dn " << *p
->second
<< dendl
;
683 assert(dir
->get_num_ref() == 0);
688 void CInode::close_dirfrags()
690 while (!dirfrags
.empty())
691 close_dirfrag(dirfrags
.begin()->first
);
694 bool CInode::has_subtree_root_dirfrag(int auth
)
696 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
699 if (p
->second
->is_subtree_root() &&
700 (auth
== -1 || p
->second
->dir_auth
.first
== auth
))
705 bool CInode::has_subtree_or_exporting_dirfrag()
707 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
710 if (p
->second
->is_subtree_root() ||
711 p
->second
->state_test(CDir::STATE_EXPORTING
))
716 void CInode::get_stickydirs()
718 if (stickydir_ref
== 0) {
720 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
723 p
->second
->state_set(CDir::STATE_STICKY
);
724 p
->second
->get(CDir::PIN_STICKY
);
730 void CInode::put_stickydirs()
732 assert(stickydir_ref
> 0);
734 if (stickydir_ref
== 0) {
736 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
739 p
->second
->state_clear(CDir::STATE_STICKY
);
740 p
->second
->put(CDir::PIN_STICKY
);
751 void CInode::first_get()
755 parent
->get(CDentry::PIN_INODEPIN
);
758 void CInode::last_put()
762 parent
->put(CDentry::PIN_INODEPIN
);
767 if (get_num_ref() == (int)is_dirty() + (int)is_dirty_parent())
768 mdcache
->maybe_eval_stray(this, true);
771 void CInode::add_remote_parent(CDentry
*p
)
773 if (remote_parents
.empty())
774 get(PIN_REMOTEPARENT
);
775 remote_parents
.insert(p
);
777 void CInode::remove_remote_parent(CDentry
*p
)
779 remote_parents
.erase(p
);
780 if (remote_parents
.empty())
781 put(PIN_REMOTEPARENT
);
787 CDir
*CInode::get_parent_dir()
793 CDir
*CInode::get_projected_parent_dir()
795 CDentry
*p
= get_projected_parent_dn();
800 CInode
*CInode::get_parent_inode()
803 return parent
->dir
->inode
;
807 bool CInode::is_projected_ancestor_of(CInode
*other
)
812 if (!other
->get_projected_parent_dn())
814 other
= other
->get_projected_parent_dn()->get_dir()->get_inode();
820 * Because a non-directory inode may have multiple links, the use_parent
821 * argument allows selecting which parent to use for path construction. This
822 * argument is only meaningful for the final component (i.e. the first of the
823 * nested calls) because directories cannot have multiple hard links. If
824 * use_parent is NULL and projected is true, the primary parent's projected
825 * inode is used all the way up the path chain. Otherwise the primary parent
826 * stable inode is used.
828 void CInode::make_path_string(string
& s
, bool projected
, const CDentry
*use_parent
) const
831 use_parent
= projected
? get_projected_parent_dn() : parent
;
835 use_parent
->make_path_string(s
, projected
);
836 } else if (is_root()) {
838 } else if (is_mdsdir()) {
840 uint64_t eino(ino());
841 eino
-= MDS_INO_MDSDIR_OFFSET
;
842 snprintf(t
, sizeof(t
), "~mds%" PRId64
, eino
);
846 uint64_t eino(ino());
847 snprintf(n
, sizeof(n
), "#%" PRIx64
, eino
);
852 void CInode::make_path(filepath
& fp
, bool projected
) const
854 const CDentry
*use_parent
= projected
? get_projected_parent_dn() : parent
;
857 use_parent
->make_path(fp
, projected
);
859 fp
= filepath(ino());
863 void CInode::name_stray_dentry(string
& dname
)
866 snprintf(s
, sizeof(s
), "%llx", (unsigned long long)inode
.ino
.val
);
870 version_t
CInode::pre_dirty()
873 CDentry
* _cdentry
= get_projected_parent_dn();
875 pv
= _cdentry
->pre_dirty(get_projected_version());
876 dout(10) << "pre_dirty " << pv
<< " (current v " << inode
.version
<< ")" << dendl
;
879 pv
= get_projected_version() + 1;
881 // force update backtrace for old format inode (see inode_t::decode)
882 if (inode
.backtrace_version
== 0 && !projected_nodes
.empty()) {
883 inode_t
*pi
= projected_nodes
.back()->inode
;
884 if (pi
->backtrace_version
== 0)
885 pi
->update_backtrace(pv
);
890 void CInode::_mark_dirty(LogSegment
*ls
)
892 if (!state_test(STATE_DIRTY
)) {
893 state_set(STATE_DIRTY
);
898 // move myself to this segment's dirty list
900 ls
->dirty_inodes
.push_back(&item_dirty
);
903 void CInode::mark_dirty(version_t pv
, LogSegment
*ls
) {
905 dout(10) << "mark_dirty " << *this << dendl
;
908 NOTE: I may already be dirty, but this fn _still_ needs to be called so that
909 the directory is (perhaps newly) dirtied, and so that parent_dir_version is
913 // only auth can get dirty. "dirty" async data in replicas is relative to
914 // filelock state, not the dirty flag.
917 // touch my private version
918 assert(inode
.version
< pv
);
924 parent
->mark_dirty(pv
, ls
);
928 void CInode::mark_clean()
930 dout(10) << " mark_clean " << *this << dendl
;
931 if (state_test(STATE_DIRTY
)) {
932 state_clear(STATE_DIRTY
);
935 // remove myself from ls dirty list
936 item_dirty
.remove_myself();
943 // (currently for root inode only)
945 struct C_IO_Inode_Stored
: public CInodeIOContext
{
948 C_IO_Inode_Stored(CInode
*i
, version_t v
, Context
*f
) : CInodeIOContext(i
), version(v
), fin(f
) {}
949 void finish(int r
) override
{
950 in
->_stored(r
, version
, fin
);
954 object_t
InodeStoreBase::get_object_name(inodeno_t ino
, frag_t fg
, const char *suffix
)
957 snprintf(n
, sizeof(n
), "%llx.%08llx%s", (long long unsigned)ino
, (long long unsigned)fg
, suffix
? suffix
: "");
961 void CInode::store(MDSInternalContextBase
*fin
)
963 dout(10) << "store " << get_version() << dendl
;
967 purge_stale_snap_data(snaprealm
->get_snaps());
971 string magic
= CEPH_FS_ONDISK_MAGIC
;
973 encode_store(bl
, mdcache
->mds
->mdsmap
->get_up_features());
980 object_t oid
= CInode::get_object_name(ino(), frag_t(), ".inode");
981 object_locator_t
oloc(mdcache
->mds
->mdsmap
->get_metadata_pool());
984 new C_OnFinisher(new C_IO_Inode_Stored(this, get_version(), fin
),
985 mdcache
->mds
->finisher
);
986 mdcache
->mds
->objecter
->mutate(oid
, oloc
, m
, snapc
,
987 ceph::real_clock::now(), 0,
991 void CInode::_stored(int r
, version_t v
, Context
*fin
)
994 dout(1) << "store error " << r
<< " v " << v
<< " on " << *this << dendl
;
995 mdcache
->mds
->clog
->error() << "failed to store ino " << ino() << " object,"
997 mdcache
->mds
->handle_write_error(r
);
1002 dout(10) << "_stored " << v
<< " on " << *this << dendl
;
1003 if (v
== get_projected_version())
1009 void CInode::flush(MDSInternalContextBase
*fin
)
1011 dout(10) << "flush " << *this << dendl
;
1012 assert(is_auth() && can_auth_pin());
1014 MDSGatherBuilder
gather(g_ceph_context
);
1016 if (is_dirty_parent()) {
1017 store_backtrace(gather
.new_sub());
1021 store(gather
.new_sub());
1023 parent
->dir
->commit(0, gather
.new_sub());
1027 if (gather
.has_subs()) {
1028 gather
.set_finisher(fin
);
1035 struct C_IO_Inode_Fetched
: public CInodeIOContext
{
1038 C_IO_Inode_Fetched(CInode
*i
, Context
*f
) : CInodeIOContext(i
), fin(f
) {}
1039 void finish(int r
) override
{
1040 // Ignore 'r', because we fetch from two places, so r is usually ENOENT
1041 in
->_fetched(bl
, bl2
, fin
);
1045 void CInode::fetch(MDSInternalContextBase
*fin
)
1047 dout(10) << "fetch" << dendl
;
1049 C_IO_Inode_Fetched
*c
= new C_IO_Inode_Fetched(this, fin
);
1050 C_GatherBuilder
gather(g_ceph_context
, new C_OnFinisher(c
, mdcache
->mds
->finisher
));
1052 object_t oid
= CInode::get_object_name(ino(), frag_t(), "");
1053 object_locator_t
oloc(mdcache
->mds
->mdsmap
->get_metadata_pool());
1055 // Old on-disk format: inode stored in xattr of a dirfrag
1057 rd
.getxattr("inode", &c
->bl
, NULL
);
1058 mdcache
->mds
->objecter
->read(oid
, oloc
, rd
, CEPH_NOSNAP
, (bufferlist
*)NULL
, 0, gather
.new_sub());
1060 // Current on-disk format: inode stored in a .inode object
1061 object_t oid2
= CInode::get_object_name(ino(), frag_t(), ".inode");
1062 mdcache
->mds
->objecter
->read(oid2
, oloc
, 0, 0, CEPH_NOSNAP
, &c
->bl2
, 0, gather
.new_sub());
1067 void CInode::_fetched(bufferlist
& bl
, bufferlist
& bl2
, Context
*fin
)
1069 dout(10) << "_fetched got " << bl
.length() << " and " << bl2
.length() << dendl
;
1070 bufferlist::iterator p
;
1073 } else if (bl
.length()) {
1076 derr
<< "No data while reading inode 0x" << std::hex
<< ino()
1077 << std::dec
<< dendl
;
1078 fin
->complete(-ENOENT
);
1086 dout(10) << " magic is '" << magic
<< "' (expecting '"
1087 << CEPH_FS_ONDISK_MAGIC
<< "')" << dendl
;
1088 if (magic
!= CEPH_FS_ONDISK_MAGIC
) {
1089 dout(0) << "on disk magic '" << magic
<< "' != my magic '" << CEPH_FS_ONDISK_MAGIC
1091 fin
->complete(-EINVAL
);
1094 dout(10) << "_fetched " << *this << dendl
;
1097 } catch (buffer::error
&err
) {
1098 derr
<< "Corrupt inode 0x" << std::hex
<< ino() << std::dec
1099 << ": " << err
<< dendl
;
1100 fin
->complete(-EINVAL
);
1105 void CInode::build_backtrace(int64_t pool
, inode_backtrace_t
& bt
)
1108 bt
.ancestors
.clear();
1112 CDentry
*pdn
= get_parent_dn();
1114 CInode
*diri
= pdn
->get_dir()->get_inode();
1115 bt
.ancestors
.push_back(inode_backpointer_t(diri
->ino(), pdn
->name
, in
->inode
.version
));
1117 pdn
= in
->get_parent_dn();
1119 for (compact_set
<int64_t>::iterator i
= inode
.old_pools
.begin();
1120 i
!= inode
.old_pools
.end();
1122 // don't add our own pool id to old_pools to avoid looping (e.g. setlayout 0, 1, 0)
1124 bt
.old_pools
.insert(*i
);
1128 struct C_IO_Inode_StoredBacktrace
: public CInodeIOContext
{
1131 C_IO_Inode_StoredBacktrace(CInode
*i
, version_t v
, Context
*f
) : CInodeIOContext(i
), version(v
), fin(f
) {}
1132 void finish(int r
) override
{
1133 in
->_stored_backtrace(r
, version
, fin
);
1137 void CInode::store_backtrace(MDSInternalContextBase
*fin
, int op_prio
)
1139 dout(10) << "store_backtrace on " << *this << dendl
;
1140 assert(is_dirty_parent());
1143 op_prio
= CEPH_MSG_PRIO_DEFAULT
;
1147 const int64_t pool
= get_backtrace_pool();
1148 inode_backtrace_t bt
;
1149 build_backtrace(pool
, bt
);
1150 bufferlist parent_bl
;
1151 ::encode(bt
, parent_bl
);
1154 op
.priority
= op_prio
;
1156 op
.setxattr("parent", parent_bl
);
1158 bufferlist layout_bl
;
1159 ::encode(inode
.layout
, layout_bl
, mdcache
->mds
->mdsmap
->get_up_features());
1160 op
.setxattr("layout", layout_bl
);
1163 object_t oid
= get_object_name(ino(), frag_t(), "");
1164 object_locator_t
oloc(pool
);
1165 Context
*fin2
= new C_OnFinisher(
1166 new C_IO_Inode_StoredBacktrace(this, inode
.backtrace_version
, fin
),
1167 mdcache
->mds
->finisher
);
1169 if (!state_test(STATE_DIRTYPOOL
) || inode
.old_pools
.empty()) {
1170 dout(20) << __func__
<< ": no dirtypool or no old pools" << dendl
;
1171 mdcache
->mds
->objecter
->mutate(oid
, oloc
, op
, snapc
,
1172 ceph::real_clock::now(),
1177 C_GatherBuilder
gather(g_ceph_context
, fin2
);
1178 mdcache
->mds
->objecter
->mutate(oid
, oloc
, op
, snapc
,
1179 ceph::real_clock::now(),
1180 0, gather
.new_sub());
1182 // In the case where DIRTYPOOL is set, we update all old pools backtraces
1183 // such that anyone reading them will see the new pool ID in
1184 // inode_backtrace_t::pool and go read everything else from there.
1185 for (compact_set
<int64_t>::iterator p
= inode
.old_pools
.begin();
1186 p
!= inode
.old_pools
.end();
1191 dout(20) << __func__
<< ": updating old pool " << *p
<< dendl
;
1194 op
.priority
= op_prio
;
1196 op
.setxattr("parent", parent_bl
);
1198 object_locator_t
oloc(*p
);
1199 mdcache
->mds
->objecter
->mutate(oid
, oloc
, op
, snapc
,
1200 ceph::real_clock::now(),
1201 0, gather
.new_sub());
1206 void CInode::_stored_backtrace(int r
, version_t v
, Context
*fin
)
1209 const int64_t pool
= get_backtrace_pool();
1210 bool exists
= mdcache
->mds
->objecter
->with_osdmap(
1211 [pool
](const OSDMap
&osd_map
) {
1212 return osd_map
.have_pg_pool(pool
);
1215 // This ENOENT is because the pool doesn't exist (the user deleted it
1216 // out from under us), so the backtrace can never be written, so pretend
1217 // to succeed so that the user can proceed to e.g. delete the file.
1219 dout(4) << "store_backtrace got ENOENT: a data pool was deleted "
1220 "beneath us!" << dendl
;
1226 dout(1) << "store backtrace error " << r
<< " v " << v
<< dendl
;
1227 mdcache
->mds
->clog
->error() << "failed to store backtrace on ino "
1228 << ino() << " object"
1229 << ", pool " << get_backtrace_pool()
1231 mdcache
->mds
->handle_write_error(r
);
1237 dout(10) << "_stored_backtrace v " << v
<< dendl
;
1240 if (v
== inode
.backtrace_version
)
1241 clear_dirty_parent();
1246 void CInode::fetch_backtrace(Context
*fin
, bufferlist
*backtrace
)
1248 mdcache
->fetch_backtrace(inode
.ino
, get_backtrace_pool(), *backtrace
, fin
);
1251 void CInode::_mark_dirty_parent(LogSegment
*ls
, bool dirty_pool
)
1253 if (!state_test(STATE_DIRTYPARENT
)) {
1254 dout(10) << "mark_dirty_parent" << dendl
;
1255 state_set(STATE_DIRTYPARENT
);
1256 get(PIN_DIRTYPARENT
);
1260 state_set(STATE_DIRTYPOOL
);
1262 ls
->dirty_parent_inodes
.push_back(&item_dirty_parent
);
1265 void CInode::clear_dirty_parent()
1267 if (state_test(STATE_DIRTYPARENT
)) {
1268 dout(10) << "clear_dirty_parent" << dendl
;
1269 state_clear(STATE_DIRTYPARENT
);
1270 state_clear(STATE_DIRTYPOOL
);
1271 put(PIN_DIRTYPARENT
);
1272 item_dirty_parent
.remove_myself();
1276 void CInode::verify_diri_backtrace(bufferlist
&bl
, int err
)
1278 if (is_base() || is_dirty_parent() || !is_auth())
1281 dout(10) << "verify_diri_backtrace" << dendl
;
1284 inode_backtrace_t backtrace
;
1285 ::decode(backtrace
, bl
);
1286 CDentry
*pdn
= get_parent_dn();
1287 if (backtrace
.ancestors
.empty() ||
1288 backtrace
.ancestors
[0].dname
!= pdn
->name
||
1289 backtrace
.ancestors
[0].dirino
!= pdn
->get_dir()->ino())
1294 MDSRank
*mds
= mdcache
->mds
;
1295 mds
->clog
->error() << "bad backtrace on dir ino " << ino();
1296 assert(!"bad backtrace" == (g_conf
->mds_verify_backtrace
> 1));
1298 _mark_dirty_parent(mds
->mdlog
->get_current_segment(), false);
1299 mds
->mdlog
->flush();
1303 // ------------------
1307 void InodeStoreBase::encode_bare(bufferlist
&bl
, uint64_t features
,
1308 const bufferlist
*snap_blob
) const
1310 ::encode(inode
, bl
, features
);
1312 ::encode(symlink
, bl
);
1313 ::encode(dirfragtree
, bl
);
1314 ::encode(xattrs
, bl
);
1316 ::encode(*snap_blob
, bl
);
1318 ::encode(bufferlist(), bl
);
1319 ::encode(old_inodes
, bl
, features
);
1320 ::encode(oldest_snap
, bl
);
1321 ::encode(damage_flags
, bl
);
1324 void InodeStoreBase::encode(bufferlist
&bl
, uint64_t features
,
1325 const bufferlist
*snap_blob
) const
1327 ENCODE_START(6, 4, bl
);
1328 encode_bare(bl
, features
, snap_blob
);
1332 void CInode::encode_store(bufferlist
& bl
, uint64_t features
)
1334 bufferlist snap_blob
;
1335 encode_snap_blob(snap_blob
);
1336 InodeStoreBase::encode(bl
, mdcache
->mds
->mdsmap
->get_up_features(),
1340 void InodeStoreBase::decode_bare(bufferlist::iterator
&bl
,
1341 bufferlist
& snap_blob
, __u8 struct_v
)
1343 ::decode(inode
, bl
);
1345 ::decode(symlink
, bl
);
1346 ::decode(dirfragtree
, bl
);
1347 ::decode(xattrs
, bl
);
1348 ::decode(snap_blob
, bl
);
1350 ::decode(old_inodes
, bl
);
1351 if (struct_v
== 2 && inode
.is_dir()) {
1352 bool default_layout_exists
;
1353 ::decode(default_layout_exists
, bl
);
1354 if (default_layout_exists
) {
1355 ::decode(struct_v
, bl
); // this was a default_file_layout
1356 ::decode(inode
.layout
, bl
); // but we only care about the layout portion
1360 if (struct_v
>= 5) {
1361 // InodeStore is embedded in dentries without proper versioning, so
1362 // we consume up to the end of the buffer
1364 ::decode(oldest_snap
, bl
);
1368 ::decode(damage_flags
, bl
);
1374 void InodeStoreBase::decode(bufferlist::iterator
&bl
, bufferlist
& snap_blob
)
1376 DECODE_START_LEGACY_COMPAT_LEN(5, 4, 4, bl
);
1377 decode_bare(bl
, snap_blob
, struct_v
);
1381 void CInode::decode_store(bufferlist::iterator
& bl
)
1383 bufferlist snap_blob
;
1384 InodeStoreBase::decode(bl
, snap_blob
);
1385 decode_snap_blob(snap_blob
);
1388 // ------------------
1391 void CInode::set_object_info(MDSCacheObjectInfo
&info
)
1397 void CInode::encode_lock_state(int type
, bufferlist
& bl
)
1399 ::encode(first
, bl
);
1402 case CEPH_LOCK_IAUTH
:
1403 ::encode(inode
.version
, bl
);
1404 ::encode(inode
.ctime
, bl
);
1405 ::encode(inode
.mode
, bl
);
1406 ::encode(inode
.uid
, bl
);
1407 ::encode(inode
.gid
, bl
);
1410 case CEPH_LOCK_ILINK
:
1411 ::encode(inode
.version
, bl
);
1412 ::encode(inode
.ctime
, bl
);
1413 ::encode(inode
.nlink
, bl
);
1416 case CEPH_LOCK_IDFT
:
1418 ::encode(inode
.version
, bl
);
1420 // treat flushing as dirty when rejoining cache
1421 bool dirty
= dirfragtreelock
.is_dirty_or_flushing();
1422 ::encode(dirty
, bl
);
1425 // encode the raw tree
1426 ::encode(dirfragtree
, bl
);
1428 // also specify which frags are mine
1429 set
<frag_t
> myfrags
;
1432 for (list
<CDir
*>::iterator p
= dfls
.begin(); p
!= dfls
.end(); ++p
)
1433 if ((*p
)->is_auth()) {
1434 frag_t fg
= (*p
)->get_frag();
1437 ::encode(myfrags
, bl
);
1441 case CEPH_LOCK_IFILE
:
1443 ::encode(inode
.version
, bl
);
1444 ::encode(inode
.ctime
, bl
);
1445 ::encode(inode
.mtime
, bl
);
1446 ::encode(inode
.atime
, bl
);
1447 ::encode(inode
.time_warp_seq
, bl
);
1449 ::encode(inode
.layout
, bl
, mdcache
->mds
->mdsmap
->get_up_features());
1450 ::encode(inode
.size
, bl
);
1451 ::encode(inode
.truncate_seq
, bl
);
1452 ::encode(inode
.truncate_size
, bl
);
1453 ::encode(inode
.client_ranges
, bl
);
1454 ::encode(inode
.inline_data
, bl
);
1457 // treat flushing as dirty when rejoining cache
1458 bool dirty
= filelock
.is_dirty_or_flushing();
1459 ::encode(dirty
, bl
);
1463 dout(15) << "encode_lock_state inode.dirstat is " << inode
.dirstat
<< dendl
;
1464 ::encode(inode
.dirstat
, bl
); // only meaningful if i am auth.
1467 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1468 p
!= dirfrags
.end();
1470 frag_t fg
= p
->first
;
1471 CDir
*dir
= p
->second
;
1472 if (is_auth() || dir
->is_auth()) {
1473 fnode_t
*pf
= dir
->get_projected_fnode();
1474 dout(15) << fg
<< " " << *dir
<< dendl
;
1475 dout(20) << fg
<< " fragstat " << pf
->fragstat
<< dendl
;
1476 dout(20) << fg
<< " accounted_fragstat " << pf
->accounted_fragstat
<< dendl
;
1478 ::encode(dir
->first
, tmp
);
1479 ::encode(pf
->fragstat
, tmp
);
1480 ::encode(pf
->accounted_fragstat
, tmp
);
1485 bl
.claim_append(tmp
);
1489 case CEPH_LOCK_INEST
:
1491 ::encode(inode
.version
, bl
);
1493 // treat flushing as dirty when rejoining cache
1494 bool dirty
= nestlock
.is_dirty_or_flushing();
1495 ::encode(dirty
, bl
);
1498 dout(15) << "encode_lock_state inode.rstat is " << inode
.rstat
<< dendl
;
1499 ::encode(inode
.rstat
, bl
); // only meaningful if i am auth.
1502 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1503 p
!= dirfrags
.end();
1505 frag_t fg
= p
->first
;
1506 CDir
*dir
= p
->second
;
1507 if (is_auth() || dir
->is_auth()) {
1508 fnode_t
*pf
= dir
->get_projected_fnode();
1509 dout(10) << fg
<< " " << *dir
<< dendl
;
1510 dout(10) << fg
<< " " << pf
->rstat
<< dendl
;
1511 dout(10) << fg
<< " " << pf
->rstat
<< dendl
;
1512 dout(10) << fg
<< " " << dir
->dirty_old_rstat
<< dendl
;
1514 ::encode(dir
->first
, tmp
);
1515 ::encode(pf
->rstat
, tmp
);
1516 ::encode(pf
->accounted_rstat
, tmp
);
1517 ::encode(dir
->dirty_old_rstat
, tmp
);
1522 bl
.claim_append(tmp
);
1526 case CEPH_LOCK_IXATTR
:
1527 ::encode(inode
.version
, bl
);
1528 ::encode(inode
.ctime
, bl
);
1529 ::encode(xattrs
, bl
);
1532 case CEPH_LOCK_ISNAP
:
1533 ::encode(inode
.version
, bl
);
1534 ::encode(inode
.ctime
, bl
);
1538 case CEPH_LOCK_IFLOCK
:
1539 ::encode(inode
.version
, bl
);
1540 _encode_file_locks(bl
);
1543 case CEPH_LOCK_IPOLICY
:
1544 if (inode
.is_dir()) {
1545 ::encode(inode
.version
, bl
);
1546 ::encode(inode
.ctime
, bl
);
1547 ::encode(inode
.layout
, bl
, mdcache
->mds
->mdsmap
->get_up_features());
1548 ::encode(inode
.quota
, bl
);
1549 ::encode(inode
.export_pin
, bl
);
1559 /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */
1561 void CInode::decode_lock_state(int type
, bufferlist
& bl
)
1563 bufferlist::iterator p
= bl
.begin();
1567 ::decode(newfirst
, p
);
1569 if (!is_auth() && newfirst
!= first
) {
1570 dout(10) << "decode_lock_state first " << first
<< " -> " << newfirst
<< dendl
;
1571 assert(newfirst
> first
);
1572 if (!is_multiversion() && parent
) {
1573 assert(parent
->first
== first
);
1574 parent
->first
= newfirst
;
1580 case CEPH_LOCK_IAUTH
:
1581 ::decode(inode
.version
, p
);
1583 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1584 ::decode(inode
.mode
, p
);
1585 ::decode(inode
.uid
, p
);
1586 ::decode(inode
.gid
, p
);
1589 case CEPH_LOCK_ILINK
:
1590 ::decode(inode
.version
, p
);
1592 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1593 ::decode(inode
.nlink
, p
);
1596 case CEPH_LOCK_IDFT
:
1599 ::decode(replica_dirty
, p
);
1600 if (replica_dirty
) {
1601 dout(10) << "decode_lock_state setting dftlock dirty flag" << dendl
;
1602 dirfragtreelock
.mark_dirty(); // ok bc we're auth and caller will handle
1605 ::decode(inode
.version
, p
);
1610 set
<frag_t
> authfrags
;
1611 ::decode(authfrags
, p
);
1613 // auth. believe replica's auth frags only.
1614 for (set
<frag_t
>::iterator p
= authfrags
.begin(); p
!= authfrags
.end(); ++p
)
1615 if (!dirfragtree
.is_leaf(*p
)) {
1616 dout(10) << " forcing frag " << *p
<< " to leaf (split|merge)" << dendl
;
1617 dirfragtree
.force_to_leaf(g_ceph_context
, *p
);
1618 dirfragtreelock
.mark_dirty(); // ok bc we're auth and caller will handle
1621 // replica. take the new tree, BUT make sure any open
1622 // dirfrags remain leaves (they may have split _after_ this
1623 // dft was scattered, or we may still be be waiting on the
1624 // notify from the auth)
1625 dirfragtree
.swap(temp
);
1626 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1627 p
!= dirfrags
.end();
1629 if (!dirfragtree
.is_leaf(p
->first
)) {
1630 dout(10) << " forcing open dirfrag " << p
->first
<< " to leaf (racing with split|merge)" << dendl
;
1631 dirfragtree
.force_to_leaf(g_ceph_context
, p
->first
);
1633 if (p
->second
->is_auth())
1634 p
->second
->state_clear(CDir::STATE_DIRTYDFT
);
1637 if (g_conf
->mds_debug_frag
)
1642 case CEPH_LOCK_IFILE
:
1644 ::decode(inode
.version
, p
);
1646 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1647 ::decode(inode
.mtime
, p
);
1648 ::decode(inode
.atime
, p
);
1649 ::decode(inode
.time_warp_seq
, p
);
1651 ::decode(inode
.layout
, p
);
1652 ::decode(inode
.size
, p
);
1653 ::decode(inode
.truncate_seq
, p
);
1654 ::decode(inode
.truncate_size
, p
);
1655 ::decode(inode
.client_ranges
, p
);
1656 ::decode(inode
.inline_data
, p
);
1660 ::decode(replica_dirty
, p
);
1661 if (replica_dirty
) {
1662 dout(10) << "decode_lock_state setting filelock dirty flag" << dendl
;
1663 filelock
.mark_dirty(); // ok bc we're auth and caller will handle
1667 frag_info_t dirstat
;
1668 ::decode(dirstat
, p
);
1670 dout(10) << " taking inode dirstat " << dirstat
<< " for " << *this << dendl
;
1671 inode
.dirstat
= dirstat
; // take inode summation if replica
1675 dout(10) << " ...got " << n
<< " fragstats on " << *this << dendl
;
1679 frag_info_t fragstat
;
1680 frag_info_t accounted_fragstat
;
1682 ::decode(fgfirst
, p
);
1683 ::decode(fragstat
, p
);
1684 ::decode(accounted_fragstat
, p
);
1685 dout(10) << fg
<< " [" << fgfirst
<< ",head] " << dendl
;
1686 dout(10) << fg
<< " fragstat " << fragstat
<< dendl
;
1687 dout(20) << fg
<< " accounted_fragstat " << accounted_fragstat
<< dendl
;
1689 CDir
*dir
= get_dirfrag(fg
);
1691 assert(dir
); // i am auth; i had better have this dir open
1692 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1693 << " on " << *dir
<< dendl
;
1694 dir
->first
= fgfirst
;
1695 dir
->fnode
.fragstat
= fragstat
;
1696 dir
->fnode
.accounted_fragstat
= accounted_fragstat
;
1697 dir
->first
= fgfirst
;
1698 if (!(fragstat
== accounted_fragstat
)) {
1699 dout(10) << fg
<< " setting filelock updated flag" << dendl
;
1700 filelock
.mark_dirty(); // ok bc we're auth and caller will handle
1703 if (dir
&& dir
->is_auth()) {
1704 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1705 << " on " << *dir
<< dendl
;
1706 dir
->first
= fgfirst
;
1707 fnode_t
*pf
= dir
->get_projected_fnode();
1708 finish_scatter_update(&filelock
, dir
,
1709 inode
.dirstat
.version
, pf
->accounted_fragstat
.version
);
1716 case CEPH_LOCK_INEST
:
1719 ::decode(replica_dirty
, p
);
1720 if (replica_dirty
) {
1721 dout(10) << "decode_lock_state setting nestlock dirty flag" << dendl
;
1722 nestlock
.mark_dirty(); // ok bc we're auth and caller will handle
1725 ::decode(inode
.version
, p
);
1731 dout(10) << " taking inode rstat " << rstat
<< " for " << *this << dendl
;
1732 inode
.rstat
= rstat
; // take inode summation if replica
1740 nest_info_t accounted_rstat
;
1741 compact_map
<snapid_t
,old_rstat_t
> dirty_old_rstat
;
1743 ::decode(fgfirst
, p
);
1745 ::decode(accounted_rstat
, p
);
1746 ::decode(dirty_old_rstat
, p
);
1747 dout(10) << fg
<< " [" << fgfirst
<< ",head]" << dendl
;
1748 dout(10) << fg
<< " rstat " << rstat
<< dendl
;
1749 dout(10) << fg
<< " accounted_rstat " << accounted_rstat
<< dendl
;
1750 dout(10) << fg
<< " dirty_old_rstat " << dirty_old_rstat
<< dendl
;
1752 CDir
*dir
= get_dirfrag(fg
);
1754 assert(dir
); // i am auth; i had better have this dir open
1755 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1756 << " on " << *dir
<< dendl
;
1757 dir
->first
= fgfirst
;
1758 dir
->fnode
.rstat
= rstat
;
1759 dir
->fnode
.accounted_rstat
= accounted_rstat
;
1760 dir
->dirty_old_rstat
.swap(dirty_old_rstat
);
1761 if (!(rstat
== accounted_rstat
) || !dir
->dirty_old_rstat
.empty()) {
1762 dout(10) << fg
<< " setting nestlock updated flag" << dendl
;
1763 nestlock
.mark_dirty(); // ok bc we're auth and caller will handle
1766 if (dir
&& dir
->is_auth()) {
1767 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1768 << " on " << *dir
<< dendl
;
1769 dir
->first
= fgfirst
;
1770 fnode_t
*pf
= dir
->get_projected_fnode();
1771 finish_scatter_update(&nestlock
, dir
,
1772 inode
.rstat
.version
, pf
->accounted_rstat
.version
);
1779 case CEPH_LOCK_IXATTR
:
1780 ::decode(inode
.version
, p
);
1782 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1783 ::decode(xattrs
, p
);
1786 case CEPH_LOCK_ISNAP
:
1788 ::decode(inode
.version
, p
);
1790 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1793 seq
= snaprealm
->srnode
.seq
;
1795 if (snaprealm
&& snaprealm
->srnode
.seq
!= seq
)
1796 mdcache
->do_realm_invalidate_and_update_notify(this, seq
? CEPH_SNAP_OP_UPDATE
:CEPH_SNAP_OP_SPLIT
);
1800 case CEPH_LOCK_IFLOCK
:
1801 ::decode(inode
.version
, p
);
1802 _decode_file_locks(p
);
1805 case CEPH_LOCK_IPOLICY
:
1806 if (inode
.is_dir()) {
1807 ::decode(inode
.version
, p
);
1809 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1810 ::decode(inode
.layout
, p
);
1811 ::decode(inode
.quota
, p
);
1812 mds_rank_t old_pin
= inode
.export_pin
;
1813 ::decode(inode
.export_pin
, p
);
1814 maybe_export_pin(old_pin
!= inode
.export_pin
);
1824 bool CInode::is_dirty_scattered()
1827 filelock
.is_dirty_or_flushing() ||
1828 nestlock
.is_dirty_or_flushing() ||
1829 dirfragtreelock
.is_dirty_or_flushing();
1832 void CInode::clear_scatter_dirty()
1834 filelock
.remove_dirty();
1835 nestlock
.remove_dirty();
1836 dirfragtreelock
.remove_dirty();
1839 void CInode::clear_dirty_scattered(int type
)
1841 dout(10) << "clear_dirty_scattered " << type
<< " on " << *this << dendl
;
1843 case CEPH_LOCK_IFILE
:
1844 item_dirty_dirfrag_dir
.remove_myself();
1847 case CEPH_LOCK_INEST
:
1848 item_dirty_dirfrag_nest
.remove_myself();
1851 case CEPH_LOCK_IDFT
:
1852 item_dirty_dirfrag_dirfragtree
.remove_myself();
1862 * when we initially scatter a lock, we need to check if any of the dirfrags
1863 * have out of date accounted_rstat/fragstat. if so, mark the lock stale.
1865 /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */
1866 void CInode::start_scatter(ScatterLock
*lock
)
1868 dout(10) << "start_scatter " << *lock
<< " on " << *this << dendl
;
1870 inode_t
*pi
= get_projected_inode();
1872 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1873 p
!= dirfrags
.end();
1875 frag_t fg
= p
->first
;
1876 CDir
*dir
= p
->second
;
1877 fnode_t
*pf
= dir
->get_projected_fnode();
1878 dout(20) << fg
<< " " << *dir
<< dendl
;
1880 if (!dir
->is_auth())
1883 switch (lock
->get_type()) {
1884 case CEPH_LOCK_IFILE
:
1885 finish_scatter_update(lock
, dir
, pi
->dirstat
.version
, pf
->accounted_fragstat
.version
);
1888 case CEPH_LOCK_INEST
:
1889 finish_scatter_update(lock
, dir
, pi
->rstat
.version
, pf
->accounted_rstat
.version
);
1892 case CEPH_LOCK_IDFT
:
1893 dir
->state_clear(CDir::STATE_DIRTYDFT
);
1900 class C_Inode_FragUpdate
: public MDSLogContextBase
{
1905 MDSRank
*get_mds() override
{return in
->mdcache
->mds
;}
1906 void finish(int r
) override
{
1907 in
->_finish_frag_update(dir
, mut
);
1911 C_Inode_FragUpdate(CInode
*i
, CDir
*d
, MutationRef
& m
) : in(i
), dir(d
), mut(m
) {}
1914 void CInode::finish_scatter_update(ScatterLock
*lock
, CDir
*dir
,
1915 version_t inode_version
, version_t dir_accounted_version
)
1917 frag_t fg
= dir
->get_frag();
1918 assert(dir
->is_auth());
1920 if (dir
->is_frozen()) {
1921 dout(10) << "finish_scatter_update " << fg
<< " frozen, marking " << *lock
<< " stale " << *dir
<< dendl
;
1922 } else if (dir
->get_version() == 0) {
1923 dout(10) << "finish_scatter_update " << fg
<< " not loaded, marking " << *lock
<< " stale " << *dir
<< dendl
;
1925 if (dir_accounted_version
!= inode_version
) {
1926 dout(10) << "finish_scatter_update " << fg
<< " journaling accounted scatterstat update v" << inode_version
<< dendl
;
1928 MDLog
*mdlog
= mdcache
->mds
->mdlog
;
1929 MutationRef
mut(new MutationImpl());
1930 mut
->ls
= mdlog
->get_current_segment();
1932 inode_t
*pi
= get_projected_inode();
1933 fnode_t
*pf
= dir
->project_fnode();
1934 pf
->version
= dir
->pre_dirty();
1936 const char *ename
= 0;
1937 switch (lock
->get_type()) {
1938 case CEPH_LOCK_IFILE
:
1939 pf
->fragstat
.version
= pi
->dirstat
.version
;
1940 pf
->accounted_fragstat
= pf
->fragstat
;
1941 ename
= "lock ifile accounted scatter stat update";
1943 case CEPH_LOCK_INEST
:
1944 pf
->rstat
.version
= pi
->rstat
.version
;
1945 pf
->accounted_rstat
= pf
->rstat
;
1946 ename
= "lock inest accounted scatter stat update";
1952 mut
->add_projected_fnode(dir
);
1954 EUpdate
*le
= new EUpdate(mdlog
, ename
);
1955 mdlog
->start_entry(le
);
1956 le
->metablob
.add_dir_context(dir
);
1957 le
->metablob
.add_dir(dir
, true);
1959 assert(!dir
->is_frozen());
1962 mdlog
->submit_entry(le
, new C_Inode_FragUpdate(this, dir
, mut
));
1964 dout(10) << "finish_scatter_update " << fg
<< " accounted " << *lock
1965 << " scatter stat unchanged at v" << dir_accounted_version
<< dendl
;
1970 void CInode::_finish_frag_update(CDir
*dir
, MutationRef
& mut
)
1972 dout(10) << "_finish_frag_update on " << *dir
<< dendl
;
1979 * when we gather a lock, we need to assimilate dirfrag changes into the inode
1980 * state. it's possible we can't update the dirfrag accounted_rstat/fragstat
1981 * because the frag is auth and frozen, or that the replica couldn't for the same
1982 * reason. hopefully it will get updated the next time the lock cycles.
1984 * we have two dimensions of behavior:
1985 * - we may be (auth and !frozen), and able to update, or not.
1986 * - the frag may be stale, or not.
1988 * if the frag is non-stale, we want to assimilate the diff into the
1989 * inode, regardless of whether it's auth or updateable.
1991 * if we update the frag, we want to set accounted_fragstat = frag,
1992 * both if we took the diff or it was stale and we are making it
1995 /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */
1996 void CInode::finish_scatter_gather_update(int type
)
1998 LogChannelRef clog
= mdcache
->mds
->clog
;
2000 dout(10) << "finish_scatter_gather_update " << type
<< " on " << *this << dendl
;
2004 case CEPH_LOCK_IFILE
:
2006 fragtree_t tmpdft
= dirfragtree
;
2007 struct frag_info_t dirstat
;
2008 bool dirstat_valid
= true;
2012 inode_t
*pi
= get_projected_inode();
2014 bool touched_mtime
= false, touched_chattr
= false;
2015 dout(20) << " orig dirstat " << pi
->dirstat
<< dendl
;
2016 pi
->dirstat
.version
++;
2017 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2018 p
!= dirfrags
.end();
2020 frag_t fg
= p
->first
;
2021 CDir
*dir
= p
->second
;
2022 dout(20) << fg
<< " " << *dir
<< dendl
;
2025 if (dir
->get_version() != 0) {
2026 update
= dir
->is_auth() && !dir
->is_frozen();
2029 dirstat_valid
= false;
2032 fnode_t
*pf
= dir
->get_projected_fnode();
2034 pf
= dir
->project_fnode();
2036 if (pf
->accounted_fragstat
.version
== pi
->dirstat
.version
- 1) {
2037 dout(20) << fg
<< " fragstat " << pf
->fragstat
<< dendl
;
2038 dout(20) << fg
<< " accounted_fragstat " << pf
->accounted_fragstat
<< dendl
;
2039 pi
->dirstat
.add_delta(pf
->fragstat
, pf
->accounted_fragstat
, &touched_mtime
, &touched_chattr
);
2041 dout(20) << fg
<< " skipping STALE accounted_fragstat " << pf
->accounted_fragstat
<< dendl
;
2044 if (pf
->fragstat
.nfiles
< 0 ||
2045 pf
->fragstat
.nsubdirs
< 0) {
2046 clog
->error() << "bad/negative dir size on "
2047 << dir
->dirfrag() << " " << pf
->fragstat
;
2048 assert(!"bad/negative fragstat" == g_conf
->mds_verify_scatter
);
2050 if (pf
->fragstat
.nfiles
< 0)
2051 pf
->fragstat
.nfiles
= 0;
2052 if (pf
->fragstat
.nsubdirs
< 0)
2053 pf
->fragstat
.nsubdirs
= 0;
2057 pf
->accounted_fragstat
= pf
->fragstat
;
2058 pf
->fragstat
.version
= pf
->accounted_fragstat
.version
= pi
->dirstat
.version
;
2059 dout(10) << fg
<< " updated accounted_fragstat " << pf
->fragstat
<< " on " << *dir
<< dendl
;
2062 tmpdft
.force_to_leaf(g_ceph_context
, fg
);
2063 dirstat
.add(pf
->fragstat
);
2066 pi
->mtime
= pi
->ctime
= pi
->dirstat
.mtime
;
2068 pi
->change_attr
= pi
->dirstat
.change_attr
;
2069 dout(20) << " final dirstat " << pi
->dirstat
<< dendl
;
2071 if (dirstat_valid
&& !dirstat
.same_sums(pi
->dirstat
)) {
2073 tmpdft
.get_leaves_under(frag_t(), ls
);
2074 for (list
<frag_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
)
2075 if (!dirfrags
.count(*p
)) {
2076 dirstat_valid
= false;
2079 if (dirstat_valid
) {
2080 if (state_test(CInode::STATE_REPAIRSTATS
)) {
2081 dout(20) << " dirstat mismatch, fixing" << dendl
;
2083 clog
->error() << "unmatched fragstat on " << ino() << ", inode has "
2084 << pi
->dirstat
<< ", dirfrags have " << dirstat
;
2085 assert(!"unmatched fragstat" == g_conf
->mds_verify_scatter
);
2087 // trust the dirfrags for now
2088 version_t v
= pi
->dirstat
.version
;
2089 if (pi
->dirstat
.mtime
> dirstat
.mtime
)
2090 dirstat
.mtime
= pi
->dirstat
.mtime
;
2091 if (pi
->dirstat
.change_attr
> dirstat
.change_attr
)
2092 dirstat
.change_attr
= pi
->dirstat
.change_attr
;
2093 pi
->dirstat
= dirstat
;
2094 pi
->dirstat
.version
= v
;
2098 if (pi
->dirstat
.nfiles
< 0 ||
2099 pi
->dirstat
.nsubdirs
< 0) {
2100 clog
->error() << "bad/negative fragstat on " << ino()
2101 << ", inode has " << pi
->dirstat
;
2102 assert(!"bad/negative fragstat" == g_conf
->mds_verify_scatter
);
2104 if (pi
->dirstat
.nfiles
< 0)
2105 pi
->dirstat
.nfiles
= 0;
2106 if (pi
->dirstat
.nsubdirs
< 0)
2107 pi
->dirstat
.nsubdirs
= 0;
2112 case CEPH_LOCK_INEST
:
2114 fragtree_t tmpdft
= dirfragtree
;
2117 bool rstat_valid
= true;
2121 inode_t
*pi
= get_projected_inode();
2122 dout(20) << " orig rstat " << pi
->rstat
<< dendl
;
2123 pi
->rstat
.version
++;
2124 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2125 p
!= dirfrags
.end();
2127 frag_t fg
= p
->first
;
2128 CDir
*dir
= p
->second
;
2129 dout(20) << fg
<< " " << *dir
<< dendl
;
2132 if (dir
->get_version() != 0) {
2133 update
= dir
->is_auth() && !dir
->is_frozen();
2136 rstat_valid
= false;
2139 fnode_t
*pf
= dir
->get_projected_fnode();
2141 pf
= dir
->project_fnode();
2143 if (pf
->accounted_rstat
.version
== pi
->rstat
.version
-1) {
2144 // only pull this frag's dirty rstat inodes into the frag if
2145 // the frag is non-stale and updateable. if it's stale,
2146 // that info will just get thrown out!
2148 dir
->assimilate_dirty_rstat_inodes();
2150 dout(20) << fg
<< " rstat " << pf
->rstat
<< dendl
;
2151 dout(20) << fg
<< " accounted_rstat " << pf
->accounted_rstat
<< dendl
;
2152 dout(20) << fg
<< " dirty_old_rstat " << dir
->dirty_old_rstat
<< dendl
;
2153 mdcache
->project_rstat_frag_to_inode(pf
->rstat
, pf
->accounted_rstat
,
2154 dir
->first
, CEPH_NOSNAP
, this, true);
2155 for (compact_map
<snapid_t
,old_rstat_t
>::iterator q
= dir
->dirty_old_rstat
.begin();
2156 q
!= dir
->dirty_old_rstat
.end();
2158 mdcache
->project_rstat_frag_to_inode(q
->second
.rstat
, q
->second
.accounted_rstat
,
2159 q
->second
.first
, q
->first
, this, true);
2160 if (update
) // dir contents not valid if frozen or non-auth
2161 dir
->check_rstats();
2163 dout(20) << fg
<< " skipping STALE accounted_rstat " << pf
->accounted_rstat
<< dendl
;
2166 pf
->accounted_rstat
= pf
->rstat
;
2167 dir
->dirty_old_rstat
.clear();
2168 pf
->rstat
.version
= pf
->accounted_rstat
.version
= pi
->rstat
.version
;
2169 dir
->check_rstats();
2170 dout(10) << fg
<< " updated accounted_rstat " << pf
->rstat
<< " on " << *dir
<< dendl
;
2173 tmpdft
.force_to_leaf(g_ceph_context
, fg
);
2174 rstat
.add(pf
->rstat
);
2176 dout(20) << " final rstat " << pi
->rstat
<< dendl
;
2178 if (rstat_valid
&& !rstat
.same_sums(pi
->rstat
)) {
2180 tmpdft
.get_leaves_under(frag_t(), ls
);
2181 for (list
<frag_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
)
2182 if (!dirfrags
.count(*p
)) {
2183 rstat_valid
= false;
2187 if (state_test(CInode::STATE_REPAIRSTATS
)) {
2188 dout(20) << " rstat mismatch, fixing" << dendl
;
2190 clog
->error() << "unmatched rstat on " << ino() << ", inode has "
2191 << pi
->rstat
<< ", dirfrags have " << rstat
;
2192 assert(!"unmatched rstat" == g_conf
->mds_verify_scatter
);
2194 // trust the dirfrag for now
2195 version_t v
= pi
->rstat
.version
;
2196 if (pi
->rstat
.rctime
> rstat
.rctime
)
2197 rstat
.rctime
= pi
->rstat
.rctime
;
2199 pi
->rstat
.version
= v
;
2203 mdcache
->broadcast_quota_to_client(this);
2207 case CEPH_LOCK_IDFT
:
2215 void CInode::finish_scatter_gather_update_accounted(int type
, MutationRef
& mut
, EMetaBlob
*metablob
)
2217 dout(10) << "finish_scatter_gather_update_accounted " << type
<< " on " << *this << dendl
;
2220 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2221 p
!= dirfrags
.end();
2223 CDir
*dir
= p
->second
;
2224 if (!dir
->is_auth() || dir
->get_version() == 0 || dir
->is_frozen())
2227 if (type
== CEPH_LOCK_IDFT
)
2228 continue; // nothing to do.
2230 dout(10) << " journaling updated frag accounted_ on " << *dir
<< dendl
;
2231 assert(dir
->is_projected());
2232 fnode_t
*pf
= dir
->get_projected_fnode();
2233 pf
->version
= dir
->pre_dirty();
2234 mut
->add_projected_fnode(dir
);
2235 metablob
->add_dir(dir
, true);
2238 if (type
== CEPH_LOCK_INEST
)
2239 dir
->assimilate_dirty_rstat_inodes_finish(mut
, metablob
);
2245 bool CInode::is_frozen() const
2247 if (is_frozen_inode()) return true;
2248 if (parent
&& parent
->dir
->is_frozen()) return true;
2252 bool CInode::is_frozen_dir() const
2254 if (parent
&& parent
->dir
->is_frozen_dir()) return true;
2258 bool CInode::is_freezing() const
2260 if (is_freezing_inode()) return true;
2261 if (parent
&& parent
->dir
->is_freezing()) return true;
2265 void CInode::add_dir_waiter(frag_t fg
, MDSInternalContextBase
*c
)
2267 if (waiting_on_dir
.empty())
2269 waiting_on_dir
[fg
].push_back(c
);
2270 dout(10) << "add_dir_waiter frag " << fg
<< " " << c
<< " on " << *this << dendl
;
2273 void CInode::take_dir_waiting(frag_t fg
, list
<MDSInternalContextBase
*>& ls
)
2275 if (waiting_on_dir
.empty())
2278 compact_map
<frag_t
, list
<MDSInternalContextBase
*> >::iterator p
= waiting_on_dir
.find(fg
);
2279 if (p
!= waiting_on_dir
.end()) {
2280 dout(10) << "take_dir_waiting frag " << fg
<< " on " << *this << dendl
;
2281 ls
.splice(ls
.end(), p
->second
);
2282 waiting_on_dir
.erase(p
);
2284 if (waiting_on_dir
.empty())
2289 void CInode::add_waiter(uint64_t tag
, MDSInternalContextBase
*c
)
2291 dout(10) << "add_waiter tag " << std::hex
<< tag
<< std::dec
<< " " << c
2292 << " !ambig " << !state_test(STATE_AMBIGUOUSAUTH
)
2293 << " !frozen " << !is_frozen_inode()
2294 << " !freezing " << !is_freezing_inode()
2296 // wait on the directory?
2297 // make sure its not the inode that is explicitly ambiguous|freezing|frozen
2298 if (((tag
& WAIT_SINGLEAUTH
) && !state_test(STATE_AMBIGUOUSAUTH
)) ||
2299 ((tag
& WAIT_UNFREEZE
) &&
2300 !is_frozen_inode() && !is_freezing_inode() && !is_frozen_auth_pin())) {
2301 dout(15) << "passing waiter up tree" << dendl
;
2302 parent
->dir
->add_waiter(tag
, c
);
2305 dout(15) << "taking waiter here" << dendl
;
2306 MDSCacheObject::add_waiter(tag
, c
);
2309 void CInode::take_waiting(uint64_t mask
, list
<MDSInternalContextBase
*>& ls
)
2311 if ((mask
& WAIT_DIR
) && !waiting_on_dir
.empty()) {
2312 // take all dentry waiters
2313 while (!waiting_on_dir
.empty()) {
2314 compact_map
<frag_t
, list
<MDSInternalContextBase
*> >::iterator p
= waiting_on_dir
.begin();
2315 dout(10) << "take_waiting dirfrag " << p
->first
<< " on " << *this << dendl
;
2316 ls
.splice(ls
.end(), p
->second
);
2317 waiting_on_dir
.erase(p
);
2323 MDSCacheObject::take_waiting(mask
, ls
);
2326 bool CInode::freeze_inode(int auth_pin_allowance
)
2328 assert(auth_pin_allowance
> 0); // otherwise we need to adjust parent's nested_auth_pins
2329 assert(auth_pins
>= auth_pin_allowance
);
2330 if (auth_pins
> auth_pin_allowance
) {
2331 dout(10) << "freeze_inode - waiting for auth_pins to drop to " << auth_pin_allowance
<< dendl
;
2332 auth_pin_freeze_allowance
= auth_pin_allowance
;
2334 state_set(STATE_FREEZING
);
2338 dout(10) << "freeze_inode - frozen" << dendl
;
2339 assert(auth_pins
== auth_pin_allowance
);
2340 if (!state_test(STATE_FROZEN
)) {
2342 state_set(STATE_FROZEN
);
2347 void CInode::unfreeze_inode(list
<MDSInternalContextBase
*>& finished
)
2349 dout(10) << "unfreeze_inode" << dendl
;
2350 if (state_test(STATE_FREEZING
)) {
2351 state_clear(STATE_FREEZING
);
2353 } else if (state_test(STATE_FROZEN
)) {
2354 state_clear(STATE_FROZEN
);
2358 take_waiting(WAIT_UNFREEZE
, finished
);
2361 void CInode::unfreeze_inode()
2363 list
<MDSInternalContextBase
*> finished
;
2364 unfreeze_inode(finished
);
2365 mdcache
->mds
->queue_waiters(finished
);
2368 void CInode::freeze_auth_pin()
2370 assert(state_test(CInode::STATE_FROZEN
));
2371 state_set(CInode::STATE_FROZENAUTHPIN
);
2374 void CInode::unfreeze_auth_pin()
2376 assert(state_test(CInode::STATE_FROZENAUTHPIN
));
2377 state_clear(CInode::STATE_FROZENAUTHPIN
);
2378 if (!state_test(STATE_FREEZING
|STATE_FROZEN
)) {
2379 list
<MDSInternalContextBase
*> finished
;
2380 take_waiting(WAIT_UNFREEZE
, finished
);
2381 mdcache
->mds
->queue_waiters(finished
);
2385 void CInode::clear_ambiguous_auth(list
<MDSInternalContextBase
*>& finished
)
2387 assert(state_test(CInode::STATE_AMBIGUOUSAUTH
));
2388 state_clear(CInode::STATE_AMBIGUOUSAUTH
);
2389 take_waiting(CInode::WAIT_SINGLEAUTH
, finished
);
2392 void CInode::clear_ambiguous_auth()
2394 list
<MDSInternalContextBase
*> finished
;
2395 clear_ambiguous_auth(finished
);
2396 mdcache
->mds
->queue_waiters(finished
);
2400 bool CInode::can_auth_pin() const {
2401 if (!is_auth() || is_freezing_inode() || is_frozen_inode() || is_frozen_auth_pin())
2404 return parent
->can_auth_pin();
2408 void CInode::auth_pin(void *by
)
2414 #ifdef MDS_AUTHPIN_SET
2415 auth_pin_set
.insert(by
);
2418 dout(10) << "auth_pin by " << by
<< " on " << *this
2419 << " now " << auth_pins
<< "+" << nested_auth_pins
2423 parent
->adjust_nested_auth_pins(1, 1, this);
2426 void CInode::auth_unpin(void *by
)
2430 #ifdef MDS_AUTHPIN_SET
2431 assert(auth_pin_set
.count(by
));
2432 auth_pin_set
.erase(auth_pin_set
.find(by
));
2438 dout(10) << "auth_unpin by " << by
<< " on " << *this
2439 << " now " << auth_pins
<< "+" << nested_auth_pins
2442 assert(auth_pins
>= 0);
2445 parent
->adjust_nested_auth_pins(-1, -1, by
);
2447 if (is_freezing_inode() &&
2448 auth_pins
== auth_pin_freeze_allowance
) {
2449 dout(10) << "auth_unpin freezing!" << dendl
;
2452 state_clear(STATE_FREEZING
);
2453 state_set(STATE_FROZEN
);
2454 finish_waiting(WAIT_FROZEN
);
2458 void CInode::adjust_nested_auth_pins(int a
, void *by
)
2461 nested_auth_pins
+= a
;
2462 dout(35) << "adjust_nested_auth_pins by " << by
2463 << " change " << a
<< " yields "
2464 << auth_pins
<< "+" << nested_auth_pins
<< dendl
;
2465 assert(nested_auth_pins
>= 0);
2467 if (g_conf
->mds_debug_auth_pins
) {
2470 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2471 p
!= dirfrags
.end();
2473 CDir
*dir
= p
->second
;
2474 if (!dir
->is_subtree_root() && dir
->get_cum_auth_pins())
2477 assert(s
== nested_auth_pins
);
2481 parent
->adjust_nested_auth_pins(a
, 0, by
);
2487 mds_authority_t
CInode::authority() const
2489 if (inode_auth
.first
>= 0)
2493 return parent
->dir
->authority();
2495 // new items that are not yet linked in (in the committed plane) belong
2496 // to their first parent.
2497 if (!projected_parent
.empty())
2498 return projected_parent
.front()->dir
->authority();
2500 return CDIR_AUTH_UNDEF
;
2506 snapid_t
CInode::get_oldest_snap()
2509 if (!old_inodes
.empty())
2510 t
= old_inodes
.begin()->second
.first
;
2511 return MIN(t
, oldest_snap
);
2514 old_inode_t
& CInode::cow_old_inode(snapid_t follows
, bool cow_head
)
2516 assert(follows
>= first
);
2518 inode_t
*pi
= cow_head
? get_projected_inode() : get_previous_projected_inode();
2519 map
<string
,bufferptr
> *px
= cow_head
? get_projected_xattrs() : get_previous_projected_xattrs();
2521 old_inode_t
&old
= old_inodes
[follows
];
2526 if (first
< oldest_snap
)
2527 oldest_snap
= first
;
2529 dout(10) << " " << px
->size() << " xattrs cowed, " << *px
<< dendl
;
2531 old
.inode
.trim_client_ranges(follows
);
2533 if (g_conf
->mds_snap_rstat
&&
2534 !(old
.inode
.rstat
== old
.inode
.accounted_rstat
))
2535 dirty_old_rstats
.insert(follows
);
2539 dout(10) << "cow_old_inode " << (cow_head
? "head" : "previous_head" )
2540 << " to [" << old
.first
<< "," << follows
<< "] on "
2546 void CInode::split_old_inode(snapid_t snap
)
2548 compact_map
<snapid_t
, old_inode_t
>::iterator p
= old_inodes
.lower_bound(snap
);
2549 assert(p
!= old_inodes
.end() && p
->second
.first
< snap
);
2551 old_inode_t
&old
= old_inodes
[snap
- 1];
2554 p
->second
.first
= snap
;
2555 dout(10) << "split_old_inode " << "[" << old
.first
<< "," << p
->first
2556 << "] to [" << snap
<< "," << p
->first
<< "] on " << *this << dendl
;
2559 void CInode::pre_cow_old_inode()
2561 snapid_t follows
= find_snaprealm()->get_newest_seq();
2562 if (first
<= follows
)
2563 cow_old_inode(follows
, true);
2566 void CInode::purge_stale_snap_data(const set
<snapid_t
>& snaps
)
2568 dout(10) << "purge_stale_snap_data " << snaps
<< dendl
;
2570 if (old_inodes
.empty())
2573 compact_map
<snapid_t
,old_inode_t
>::iterator p
= old_inodes
.begin();
2574 while (p
!= old_inodes
.end()) {
2575 set
<snapid_t
>::const_iterator q
= snaps
.lower_bound(p
->second
.first
);
2576 if (q
== snaps
.end() || *q
> p
->first
) {
2577 dout(10) << " purging old_inode [" << p
->second
.first
<< "," << p
->first
<< "]" << dendl
;
2578 old_inodes
.erase(p
++);
2585 * pick/create an old_inode
2587 old_inode_t
* CInode::pick_old_inode(snapid_t snap
)
2589 compact_map
<snapid_t
, old_inode_t
>::iterator p
= old_inodes
.lower_bound(snap
); // p is first key >= to snap
2590 if (p
!= old_inodes
.end() && p
->second
.first
<= snap
) {
2591 dout(10) << "pick_old_inode snap " << snap
<< " -> [" << p
->second
.first
<< "," << p
->first
<< "]" << dendl
;
2594 dout(10) << "pick_old_inode snap " << snap
<< " -> nothing" << dendl
;
2598 void CInode::open_snaprealm(bool nosplit
)
2601 SnapRealm
*parent
= find_snaprealm();
2602 snaprealm
= new SnapRealm(mdcache
, this);
2604 dout(10) << "open_snaprealm " << snaprealm
2605 << " parent is " << parent
2607 dout(30) << " siblings are " << parent
->open_children
<< dendl
;
2608 snaprealm
->parent
= parent
;
2610 parent
->split_at(snaprealm
);
2611 parent
->open_children
.insert(snaprealm
);
2615 void CInode::close_snaprealm(bool nojoin
)
2618 dout(15) << "close_snaprealm " << *snaprealm
<< dendl
;
2619 snaprealm
->close_parents();
2620 if (snaprealm
->parent
) {
2621 snaprealm
->parent
->open_children
.erase(snaprealm
);
2623 //snaprealm->parent->join(snaprealm);
2630 SnapRealm
*CInode::find_snaprealm() const
2632 const CInode
*cur
= this;
2633 while (!cur
->snaprealm
) {
2634 if (cur
->get_parent_dn())
2635 cur
= cur
->get_parent_dn()->get_dir()->get_inode();
2636 else if (get_projected_parent_dn())
2637 cur
= cur
->get_projected_parent_dn()->get_dir()->get_inode();
2641 return cur
->snaprealm
;
2644 void CInode::encode_snap_blob(bufferlist
&snapbl
)
2647 ::encode(snaprealm
->srnode
, snapbl
);
2648 dout(20) << "encode_snap_blob " << *snaprealm
<< dendl
;
2651 void CInode::decode_snap_blob(bufferlist
& snapbl
)
2653 if (snapbl
.length()) {
2655 bufferlist::iterator p
= snapbl
.begin();
2656 ::decode(snaprealm
->srnode
, p
);
2658 bool ok
= snaprealm
->_open_parents(NULL
);
2661 dout(20) << "decode_snap_blob " << *snaprealm
<< dendl
;
2665 void CInode::encode_snap(bufferlist
& bl
)
2668 encode_snap_blob(snapbl
);
2669 ::encode(snapbl
, bl
);
2670 ::encode(oldest_snap
, bl
);
2673 void CInode::decode_snap(bufferlist::iterator
& p
)
2676 ::decode(snapbl
, p
);
2677 ::decode(oldest_snap
, p
);
2678 decode_snap_blob(snapbl
);
2681 // =============================================
2683 client_t
CInode::calc_ideal_loner()
2685 if (mdcache
->is_readonly())
2687 if (!mds_caps_wanted
.empty())
2691 client_t loner
= -1;
2692 for (map
<client_t
,Capability
*>::iterator it
= client_caps
.begin();
2693 it
!= client_caps
.end();
2695 if (!it
->second
->is_stale() &&
2696 ((it
->second
->wanted() & (CEPH_CAP_ANY_WR
|CEPH_CAP_FILE_WR
|CEPH_CAP_FILE_RD
)) ||
2697 (inode
.is_dir() && !has_subtree_root_dirfrag()))) {
2706 client_t
CInode::choose_ideal_loner()
2708 want_loner_cap
= calc_ideal_loner();
2709 return want_loner_cap
;
2712 bool CInode::try_set_loner()
2714 assert(want_loner_cap
>= 0);
2715 if (loner_cap
>= 0 && loner_cap
!= want_loner_cap
)
2717 set_loner_cap(want_loner_cap
);
2721 void CInode::set_loner_cap(client_t l
)
2724 authlock
.set_excl_client(loner_cap
);
2725 filelock
.set_excl_client(loner_cap
);
2726 linklock
.set_excl_client(loner_cap
);
2727 xattrlock
.set_excl_client(loner_cap
);
2730 bool CInode::try_drop_loner()
2735 int other_allowed
= get_caps_allowed_by_type(CAP_ANY
);
2736 Capability
*cap
= get_client_cap(loner_cap
);
2738 (cap
->issued() & ~other_allowed
) == 0) {
2746 // choose new lock state during recovery, based on issued caps
2747 void CInode::choose_lock_state(SimpleLock
*lock
, int allissued
)
2749 int shift
= lock
->get_cap_shift();
2750 int issued
= (allissued
>> shift
) & lock
->get_cap_mask();
2752 if (lock
->is_xlocked()) {
2754 } else if (lock
->get_state() != LOCK_MIX
) {
2755 if (issued
& (CEPH_CAP_GEXCL
| CEPH_CAP_GBUFFER
))
2756 lock
->set_state(LOCK_EXCL
);
2757 else if (issued
& CEPH_CAP_GWR
)
2758 lock
->set_state(LOCK_MIX
);
2759 else if (lock
->is_dirty()) {
2760 if (is_replicated())
2761 lock
->set_state(LOCK_MIX
);
2763 lock
->set_state(LOCK_LOCK
);
2765 lock
->set_state(LOCK_SYNC
);
2768 // our states have already been chosen during rejoin.
2769 if (lock
->is_xlocked())
2770 assert(lock
->get_state() == LOCK_LOCK
);
2774 void CInode::choose_lock_states(int dirty_caps
)
2776 int issued
= get_caps_issued() | dirty_caps
;
2777 if (is_auth() && (issued
& (CEPH_CAP_ANY_EXCL
|CEPH_CAP_ANY_WR
)) &&
2778 choose_ideal_loner() >= 0)
2780 choose_lock_state(&filelock
, issued
);
2781 choose_lock_state(&nestlock
, issued
);
2782 choose_lock_state(&dirfragtreelock
, issued
);
2783 choose_lock_state(&authlock
, issued
);
2784 choose_lock_state(&xattrlock
, issued
);
2785 choose_lock_state(&linklock
, issued
);
2788 Capability
*CInode::add_client_cap(client_t client
, Session
*session
, SnapRealm
*conrealm
)
2790 if (client_caps
.empty()) {
2793 containing_realm
= conrealm
;
2795 containing_realm
= find_snaprealm();
2796 containing_realm
->inodes_with_caps
.push_back(&item_caps
);
2797 dout(10) << "add_client_cap first cap, joining realm " << *containing_realm
<< dendl
;
2800 if (client_caps
.empty())
2801 mdcache
->num_inodes_with_caps
++;
2803 Capability
*cap
= new Capability(this, ++mdcache
->last_cap_id
, client
);
2804 assert(client_caps
.count(client
) == 0);
2805 client_caps
[client
] = cap
;
2807 session
->add_cap(cap
);
2808 if (session
->is_stale())
2811 cap
->client_follows
= first
-1;
2813 containing_realm
->add_cap(client
, cap
);
2818 void CInode::remove_client_cap(client_t client
)
2820 assert(client_caps
.count(client
) == 1);
2821 Capability
*cap
= client_caps
[client
];
2823 cap
->item_session_caps
.remove_myself();
2824 cap
->item_revoking_caps
.remove_myself();
2825 cap
->item_client_revoking_caps
.remove_myself();
2826 containing_realm
->remove_cap(client
, cap
);
2828 if (client
== loner_cap
)
2832 client_caps
.erase(client
);
2833 if (client_caps
.empty()) {
2834 dout(10) << "remove_client_cap last cap, leaving realm " << *containing_realm
<< dendl
;
2836 item_caps
.remove_myself();
2837 containing_realm
= NULL
;
2838 item_open_file
.remove_myself(); // unpin logsegment
2839 mdcache
->num_inodes_with_caps
--;
2842 //clean up advisory locks
2843 bool fcntl_removed
= fcntl_locks
? fcntl_locks
->remove_all_from(client
) : false;
2844 bool flock_removed
= flock_locks
? flock_locks
->remove_all_from(client
) : false;
2845 if (fcntl_removed
|| flock_removed
) {
2846 list
<MDSInternalContextBase
*> waiters
;
2847 take_waiting(CInode::WAIT_FLOCK
, waiters
);
2848 mdcache
->mds
->queue_waiters(waiters
);
2852 void CInode::move_to_realm(SnapRealm
*realm
)
2854 dout(10) << "move_to_realm joining realm " << *realm
2855 << ", leaving realm " << *containing_realm
<< dendl
;
2856 for (map
<client_t
,Capability
*>::iterator q
= client_caps
.begin();
2857 q
!= client_caps
.end();
2859 containing_realm
->remove_cap(q
->first
, q
->second
);
2860 realm
->add_cap(q
->first
, q
->second
);
2862 item_caps
.remove_myself();
2863 realm
->inodes_with_caps
.push_back(&item_caps
);
2864 containing_realm
= realm
;
2867 Capability
*CInode::reconnect_cap(client_t client
, const cap_reconnect_t
& icr
, Session
*session
)
2869 Capability
*cap
= get_client_cap(client
);
2872 cap
->merge(icr
.capinfo
.wanted
, icr
.capinfo
.issued
);
2874 cap
= add_client_cap(client
, session
);
2875 cap
->set_cap_id(icr
.capinfo
.cap_id
);
2876 cap
->set_wanted(icr
.capinfo
.wanted
);
2877 cap
->issue_norevoke(icr
.capinfo
.issued
);
2880 cap
->set_last_issue_stamp(ceph_clock_now());
2884 void CInode::clear_client_caps_after_export()
2886 while (!client_caps
.empty())
2887 remove_client_cap(client_caps
.begin()->first
);
2889 want_loner_cap
= -1;
2890 mds_caps_wanted
.clear();
2893 void CInode::export_client_caps(map
<client_t
,Capability::Export
>& cl
)
2895 for (map
<client_t
,Capability
*>::iterator it
= client_caps
.begin();
2896 it
!= client_caps
.end();
2898 cl
[it
->first
] = it
->second
->make_export();
2903 int CInode::get_caps_liked() const
2906 return CEPH_CAP_PIN
| CEPH_CAP_ANY_EXCL
| CEPH_CAP_ANY_SHARED
; // but not, say, FILE_RD|WR|WRBUFFER
2908 return CEPH_CAP_ANY
& ~CEPH_CAP_FILE_LAZYIO
;
2911 int CInode::get_caps_allowed_ever() const
2915 allowed
= CEPH_CAP_PIN
| CEPH_CAP_ANY_EXCL
| CEPH_CAP_ANY_SHARED
;
2917 allowed
= CEPH_CAP_ANY
;
2920 (filelock
.gcaps_allowed_ever() << filelock
.get_cap_shift()) |
2921 (authlock
.gcaps_allowed_ever() << authlock
.get_cap_shift()) |
2922 (xattrlock
.gcaps_allowed_ever() << xattrlock
.get_cap_shift()) |
2923 (linklock
.gcaps_allowed_ever() << linklock
.get_cap_shift()));
2926 int CInode::get_caps_allowed_by_type(int type
) const
2930 (filelock
.gcaps_allowed(type
) << filelock
.get_cap_shift()) |
2931 (authlock
.gcaps_allowed(type
) << authlock
.get_cap_shift()) |
2932 (xattrlock
.gcaps_allowed(type
) << xattrlock
.get_cap_shift()) |
2933 (linklock
.gcaps_allowed(type
) << linklock
.get_cap_shift());
2936 int CInode::get_caps_careful() const
2939 (filelock
.gcaps_careful() << filelock
.get_cap_shift()) |
2940 (authlock
.gcaps_careful() << authlock
.get_cap_shift()) |
2941 (xattrlock
.gcaps_careful() << xattrlock
.get_cap_shift()) |
2942 (linklock
.gcaps_careful() << linklock
.get_cap_shift());
2945 int CInode::get_xlocker_mask(client_t client
) const
2948 (filelock
.gcaps_xlocker_mask(client
) << filelock
.get_cap_shift()) |
2949 (authlock
.gcaps_xlocker_mask(client
) << authlock
.get_cap_shift()) |
2950 (xattrlock
.gcaps_xlocker_mask(client
) << xattrlock
.get_cap_shift()) |
2951 (linklock
.gcaps_xlocker_mask(client
) << linklock
.get_cap_shift());
2954 int CInode::get_caps_allowed_for_client(Session
*session
, inode_t
*file_i
) const
2956 client_t client
= session
->info
.inst
.name
.num();
2958 if (client
== get_loner()) {
2959 // as the loner, we get the loner_caps AND any xlocker_caps for things we have xlocked
2961 get_caps_allowed_by_type(CAP_LONER
) |
2962 (get_caps_allowed_by_type(CAP_XLOCKER
) & get_xlocker_mask(client
));
2964 allowed
= get_caps_allowed_by_type(CAP_ANY
);
2968 if ((file_i
->inline_data
.version
!= CEPH_INLINE_NONE
&&
2969 !session
->connection
->has_feature(CEPH_FEATURE_MDS_INLINE_DATA
)) ||
2970 (!file_i
->layout
.pool_ns
.empty() &&
2971 !session
->connection
->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2
)))
2972 allowed
&= ~(CEPH_CAP_FILE_RD
| CEPH_CAP_FILE_WR
);
2977 // caps issued, wanted
2978 int CInode::get_caps_issued(int *ploner
, int *pother
, int *pxlocker
,
2979 int shift
, int mask
)
2982 int loner
= 0, other
= 0, xlocker
= 0;
2987 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
2988 it
!= client_caps
.end();
2990 int i
= it
->second
->issued();
2992 if (it
->first
== loner_cap
)
2996 xlocker
|= get_xlocker_mask(it
->first
) & i
;
2998 if (ploner
) *ploner
= (loner
>> shift
) & mask
;
2999 if (pother
) *pother
= (other
>> shift
) & mask
;
3000 if (pxlocker
) *pxlocker
= (xlocker
>> shift
) & mask
;
3001 return (c
>> shift
) & mask
;
3004 bool CInode::is_any_caps_wanted() const
3006 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
3007 it
!= client_caps
.end();
3009 if (it
->second
->wanted())
3014 int CInode::get_caps_wanted(int *ploner
, int *pother
, int shift
, int mask
) const
3017 int loner
= 0, other
= 0;
3018 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
3019 it
!= client_caps
.end();
3021 if (!it
->second
->is_stale()) {
3022 int t
= it
->second
->wanted();
3024 if (it
->first
== loner_cap
)
3029 //cout << " get_caps_wanted client " << it->first << " " << cap_string(it->second.wanted()) << endl;
3032 for (compact_map
<int,int>::const_iterator it
= mds_caps_wanted
.begin();
3033 it
!= mds_caps_wanted
.end();
3036 other
|= it
->second
;
3037 //cout << " get_caps_wanted mds " << it->first << " " << cap_string(it->second) << endl;
3039 if (ploner
) *ploner
= (loner
>> shift
) & mask
;
3040 if (pother
) *pother
= (other
>> shift
) & mask
;
3041 return (w
>> shift
) & mask
;
3044 bool CInode::issued_caps_need_gather(SimpleLock
*lock
)
3046 int loner_issued
, other_issued
, xlocker_issued
;
3047 get_caps_issued(&loner_issued
, &other_issued
, &xlocker_issued
,
3048 lock
->get_cap_shift(), lock
->get_cap_mask());
3049 if ((loner_issued
& ~lock
->gcaps_allowed(CAP_LONER
)) ||
3050 (other_issued
& ~lock
->gcaps_allowed(CAP_ANY
)) ||
3051 (xlocker_issued
& ~lock
->gcaps_allowed(CAP_XLOCKER
)))
3056 void CInode::replicate_relax_locks()
3058 //dout(10) << " relaxing locks on " << *this << dendl;
3060 assert(!is_replicated());
3062 authlock
.replicate_relax();
3063 linklock
.replicate_relax();
3064 dirfragtreelock
.replicate_relax();
3065 filelock
.replicate_relax();
3066 xattrlock
.replicate_relax();
3067 snaplock
.replicate_relax();
3068 nestlock
.replicate_relax();
3069 flocklock
.replicate_relax();
3070 policylock
.replicate_relax();
3075 // =============================================
3077 int CInode::encode_inodestat(bufferlist
& bl
, Session
*session
,
3078 SnapRealm
*dir_realm
,
3083 client_t client
= session
->info
.inst
.name
.num();
3085 assert(session
->connection
);
3090 inode_t
*oi
= &inode
;
3091 inode_t
*pi
= get_projected_inode();
3093 map
<string
, bufferptr
> *pxattrs
= 0;
3095 if (snapid
!= CEPH_NOSNAP
) {
3097 // for now at least, old_inodes is only defined/valid on the auth
3101 if (is_multiversion()) {
3102 compact_map
<snapid_t
,old_inode_t
>::iterator p
= old_inodes
.lower_bound(snapid
);
3103 if (p
!= old_inodes
.end()) {
3104 if (p
->second
.first
> snapid
) {
3105 if (p
!= old_inodes
.begin())
3108 if (p
->second
.first
<= snapid
&& snapid
<= p
->first
) {
3109 dout(15) << "encode_inodestat snapid " << snapid
3110 << " to old_inode [" << p
->second
.first
<< "," << p
->first
<< "]"
3111 << " " << p
->second
.inode
.rstat
3113 pi
= oi
= &p
->second
.inode
;
3114 pxattrs
= &p
->second
.xattrs
;
3116 // snapshoted remote dentry can result this
3117 dout(0) << "encode_inodestat old_inode for snapid " << snapid
3118 << " not found" << dendl
;
3121 } else if (snapid
< first
|| snapid
> last
) {
3122 // snapshoted remote dentry can result this
3123 dout(0) << "encode_inodestat [" << first
<< "," << last
<< "]"
3124 << " not match snapid " << snapid
<< dendl
;
3128 SnapRealm
*realm
= find_snaprealm();
3130 bool no_caps
= !valid
||
3131 session
->is_stale() ||
3132 (dir_realm
&& realm
!= dir_realm
) ||
3134 state_test(CInode::STATE_EXPORTINGCAPS
);
3136 dout(20) << "encode_inodestat no caps"
3137 << (!valid
?", !valid":"")
3138 << (session
->is_stale()?", session stale ":"")
3139 << ((dir_realm
&& realm
!= dir_realm
)?", snaprealm differs ":"")
3140 << (is_frozen()?", frozen inode":"")
3141 << (state_test(CInode::STATE_EXPORTINGCAPS
)?", exporting caps":"")
3145 // "fake" a version that is old (stable) version, +1 if projected.
3146 version_t version
= (oi
->version
* 2) + is_projected();
3148 Capability
*cap
= get_client_cap(client
);
3149 bool pfile
= filelock
.is_xlocked_by_client(client
) || get_loner() == client
;
3150 //(cap && (cap->issued() & CEPH_CAP_FILE_EXCL));
3151 bool pauth
= authlock
.is_xlocked_by_client(client
) || get_loner() == client
;
3152 bool plink
= linklock
.is_xlocked_by_client(client
) || get_loner() == client
;
3153 bool pxattr
= xattrlock
.is_xlocked_by_client(client
) || get_loner() == client
;
3155 bool plocal
= versionlock
.get_last_wrlock_client() == client
;
3156 bool ppolicy
= policylock
.is_xlocked_by_client(client
) || get_loner()==client
;
3158 inode_t
*any_i
= (pfile
|pauth
|plink
|pxattr
|plocal
) ? pi
: oi
;
3160 dout(20) << " pfile " << pfile
<< " pauth " << pauth
3161 << " plink " << plink
<< " pxattr " << pxattr
3162 << " plocal " << plocal
3163 << " ctime " << any_i
->ctime
3164 << " valid=" << valid
<< dendl
;
3167 inode_t
*file_i
= pfile
? pi
:oi
;
3168 file_layout_t layout
;
3170 layout
= (ppolicy
? pi
: oi
)->layout
;
3172 layout
= file_i
->layout
;
3175 // max_size is min of projected, actual
3177 MIN(oi
->client_ranges
.count(client
) ?
3178 oi
->client_ranges
[client
].range
.last
: 0,
3179 pi
->client_ranges
.count(client
) ?
3180 pi
->client_ranges
[client
].range
.last
: 0);
3183 version_t inline_version
= 0;
3184 bufferlist inline_data
;
3185 if (file_i
->inline_data
.version
== CEPH_INLINE_NONE
) {
3186 inline_version
= CEPH_INLINE_NONE
;
3187 } else if ((!cap
&& !no_caps
) ||
3188 (cap
&& cap
->client_inline_version
< file_i
->inline_data
.version
) ||
3189 (getattr_caps
& CEPH_CAP_FILE_RD
)) { // client requests inline data
3190 inline_version
= file_i
->inline_data
.version
;
3191 if (file_i
->inline_data
.length() > 0)
3192 inline_data
= file_i
->inline_data
.get_data();
3195 // nest (do same as file... :/)
3197 cap
->last_rbytes
= file_i
->rstat
.rbytes
;
3198 cap
->last_rsize
= file_i
->rstat
.rsize();
3202 inode_t
*auth_i
= pauth
? pi
:oi
;
3205 inode_t
*link_i
= plink
? pi
:oi
;
3208 inode_t
*xattr_i
= pxattr
? pi
:oi
;
3212 version_t xattr_version
;
3213 if ((!cap
&& !no_caps
) ||
3214 (cap
&& cap
->client_xattr_version
< xattr_i
->xattr_version
) ||
3215 (getattr_caps
& CEPH_CAP_XATTR_SHARED
)) { // client requests xattrs
3217 pxattrs
= pxattr
? get_projected_xattrs() : &xattrs
;
3218 ::encode(*pxattrs
, xbl
);
3219 xattr_version
= xattr_i
->xattr_version
;
3226 unsigned bytes
= 8 + 8 + 4 + 8 + 8 + sizeof(ceph_mds_reply_cap
) +
3227 sizeof(struct ceph_file_layout
) + 4 + layout
.pool_ns
.size() +
3228 sizeof(struct ceph_timespec
) * 3 +
3229 4 + 8 + 8 + 8 + 4 + 4 + 4 + 4 + 4 +
3230 8 + 8 + 8 + 8 + 8 + sizeof(struct ceph_timespec
) +
3232 bytes
+= sizeof(__u32
);
3233 bytes
+= (sizeof(__u32
) + sizeof(__u32
)) * dirfragtree
._splits
.size();
3234 bytes
+= sizeof(__u32
) + symlink
.length();
3235 bytes
+= sizeof(__u32
) + xbl
.length();
3236 bytes
+= sizeof(version_t
) + sizeof(__u32
) + inline_data
.length();
3237 if (bytes
> max_bytes
)
3243 struct ceph_mds_reply_cap ecap
;
3244 if (snapid
!= CEPH_NOSNAP
) {
3246 * snapped inodes (files or dirs) only get read-only caps. always
3247 * issue everything possible, since it is read only.
3249 * if a snapped inode has caps, limit issued caps based on the
3252 * if it is a live inode, limit issued caps based on the lock
3255 * do NOT adjust cap issued state, because the client always
3256 * tracks caps per-snap and the mds does either per-interval or
3259 ecap
.caps
= valid
? get_caps_allowed_by_type(CAP_ANY
) : CEPH_STAT_CAP_INODE
;
3260 if (last
== CEPH_NOSNAP
|| is_any_caps())
3261 ecap
.caps
= ecap
.caps
& get_caps_allowed_for_client(session
, file_i
);
3266 if (!no_caps
&& !cap
) {
3268 cap
= add_client_cap(client
, session
, realm
);
3270 if (choose_ideal_loner() >= 0)
3272 else if (get_wanted_loner() < 0)
3278 if (!no_caps
&& cap
) {
3279 int likes
= get_caps_liked();
3280 int allowed
= get_caps_allowed_for_client(session
, file_i
);
3281 issue
= (cap
->wanted() | likes
) & allowed
;
3282 cap
->issue_norevoke(issue
);
3283 issue
= cap
->pending();
3284 dout(10) << "encode_inodestat issuing " << ccap_string(issue
)
3285 << " seq " << cap
->get_last_seq() << dendl
;
3286 } else if (cap
&& cap
->is_new() && !dir_realm
) {
3287 // alway issue new caps to client, otherwise the caps get lost
3288 assert(cap
->is_stale());
3289 issue
= cap
->pending() | CEPH_CAP_PIN
;
3290 cap
->issue_norevoke(issue
);
3291 dout(10) << "encode_inodestat issuing " << ccap_string(issue
)
3292 << " seq " << cap
->get_last_seq()
3293 << "(stale|new caps)" << dendl
;
3297 cap
->set_last_issue();
3298 cap
->set_last_issue_stamp(ceph_clock_now());
3301 ecap
.wanted
= cap
->wanted();
3302 ecap
.cap_id
= cap
->get_cap_id();
3303 ecap
.seq
= cap
->get_last_seq();
3304 ecap
.mseq
= cap
->get_mseq();
3305 ecap
.realm
= realm
->inode
->ino();
3315 ecap
.flags
= is_auth() ? CEPH_CAP_FLAG_AUTH
: 0;
3316 dout(10) << "encode_inodestat caps " << ccap_string(ecap
.caps
)
3317 << " seq " << ecap
.seq
<< " mseq " << ecap
.mseq
3318 << " xattrv " << xattr_version
<< " len " << xbl
.length()
3321 if (inline_data
.length() && cap
) {
3322 if ((cap
->pending() | getattr_caps
) & CEPH_CAP_FILE_SHARED
) {
3323 dout(10) << "including inline version " << inline_version
<< dendl
;
3324 cap
->client_inline_version
= inline_version
;
3326 dout(10) << "dropping inline version " << inline_version
<< dendl
;
3328 inline_data
.clear();
3332 // include those xattrs?
3333 if (xbl
.length() && cap
) {
3334 if ((cap
->pending() | getattr_caps
) & CEPH_CAP_XATTR_SHARED
) {
3335 dout(10) << "including xattrs version " << xattr_i
->xattr_version
<< dendl
;
3336 cap
->client_xattr_version
= xattr_i
->xattr_version
;
3338 dout(10) << "dropping xattrs version " << xattr_i
->xattr_version
<< dendl
;
3339 xbl
.clear(); // no xattrs .. XXX what's this about?!?
3345 * note: encoding matches MClientReply::InodeStat
3347 ::encode(oi
->ino
, bl
);
3348 ::encode(snapid
, bl
);
3349 ::encode(oi
->rdev
, bl
);
3350 ::encode(version
, bl
);
3352 ::encode(xattr_version
, bl
);
3356 ceph_file_layout legacy_layout
;
3357 layout
.to_legacy(&legacy_layout
);
3358 ::encode(legacy_layout
, bl
);
3360 ::encode(any_i
->ctime
, bl
);
3361 ::encode(file_i
->mtime
, bl
);
3362 ::encode(file_i
->atime
, bl
);
3363 ::encode(file_i
->time_warp_seq
, bl
);
3364 ::encode(file_i
->size
, bl
);
3365 ::encode(max_size
, bl
);
3366 ::encode(file_i
->truncate_size
, bl
);
3367 ::encode(file_i
->truncate_seq
, bl
);
3369 ::encode(auth_i
->mode
, bl
);
3370 ::encode((uint32_t)auth_i
->uid
, bl
);
3371 ::encode((uint32_t)auth_i
->gid
, bl
);
3373 ::encode(link_i
->nlink
, bl
);
3375 ::encode(file_i
->dirstat
.nfiles
, bl
);
3376 ::encode(file_i
->dirstat
.nsubdirs
, bl
);
3377 ::encode(file_i
->rstat
.rbytes
, bl
);
3378 ::encode(file_i
->rstat
.rfiles
, bl
);
3379 ::encode(file_i
->rstat
.rsubdirs
, bl
);
3380 ::encode(file_i
->rstat
.rctime
, bl
);
3382 dirfragtree
.encode(bl
);
3384 ::encode(symlink
, bl
);
3385 if (session
->connection
->has_feature(CEPH_FEATURE_DIRLAYOUTHASH
)) {
3386 ::encode(file_i
->dir_layout
, bl
);
3389 if (session
->connection
->has_feature(CEPH_FEATURE_MDS_INLINE_DATA
)) {
3390 ::encode(inline_version
, bl
);
3391 ::encode(inline_data
, bl
);
3393 if (session
->connection
->has_feature(CEPH_FEATURE_MDS_QUOTA
)) {
3394 inode_t
*policy_i
= ppolicy
? pi
: oi
;
3395 ::encode(policy_i
->quota
, bl
);
3397 if (session
->connection
->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2
)) {
3398 ::encode(layout
.pool_ns
, bl
);
3400 if (session
->connection
->has_feature(CEPH_FEATURE_FS_BTIME
)) {
3401 ::encode(any_i
->btime
, bl
);
3402 ::encode(any_i
->change_attr
, bl
);
3408 void CInode::encode_cap_message(MClientCaps
*m
, Capability
*cap
)
3412 client_t client
= cap
->get_client();
3414 bool pfile
= filelock
.is_xlocked_by_client(client
) || (cap
->issued() & CEPH_CAP_FILE_EXCL
);
3415 bool pauth
= authlock
.is_xlocked_by_client(client
);
3416 bool plink
= linklock
.is_xlocked_by_client(client
);
3417 bool pxattr
= xattrlock
.is_xlocked_by_client(client
);
3419 inode_t
*oi
= &inode
;
3420 inode_t
*pi
= get_projected_inode();
3421 inode_t
*i
= (pfile
|pauth
|plink
|pxattr
) ? pi
: oi
;
3423 dout(20) << "encode_cap_message pfile " << pfile
3424 << " pauth " << pauth
<< " plink " << plink
<< " pxattr " << pxattr
3425 << " ctime " << i
->ctime
<< dendl
;
3428 m
->set_layout(i
->layout
);
3430 m
->truncate_seq
= i
->truncate_seq
;
3431 m
->truncate_size
= i
->truncate_size
;
3432 m
->mtime
= i
->mtime
;
3433 m
->atime
= i
->atime
;
3434 m
->ctime
= i
->ctime
;
3435 m
->change_attr
= i
->change_attr
;
3436 m
->time_warp_seq
= i
->time_warp_seq
;
3438 if (cap
->client_inline_version
< i
->inline_data
.version
) {
3439 m
->inline_version
= cap
->client_inline_version
= i
->inline_data
.version
;
3440 if (i
->inline_data
.length() > 0)
3441 m
->inline_data
= i
->inline_data
.get_data();
3443 m
->inline_version
= 0;
3446 // max_size is min of projected, actual.
3447 uint64_t oldms
= oi
->client_ranges
.count(client
) ? oi
->client_ranges
[client
].range
.last
: 0;
3448 uint64_t newms
= pi
->client_ranges
.count(client
) ? pi
->client_ranges
[client
].range
.last
: 0;
3449 m
->max_size
= MIN(oldms
, newms
);
3452 m
->head
.mode
= i
->mode
;
3453 m
->head
.uid
= i
->uid
;
3454 m
->head
.gid
= i
->gid
;
3457 m
->head
.nlink
= i
->nlink
;
3460 map
<string
,bufferptr
> *ix
= pxattr
? get_projected_xattrs() : &xattrs
;
3461 if ((cap
->pending() & CEPH_CAP_XATTR_SHARED
) &&
3462 i
->xattr_version
> cap
->client_xattr_version
) {
3463 dout(10) << " including xattrs v " << i
->xattr_version
<< dendl
;
3464 ::encode(*ix
, m
->xattrbl
);
3465 m
->head
.xattr_version
= i
->xattr_version
;
3466 cap
->client_xattr_version
= i
->xattr_version
;
3472 void CInode::_encode_base(bufferlist
& bl
, uint64_t features
)
3474 ::encode(first
, bl
);
3475 ::encode(inode
, bl
, features
);
3476 ::encode(symlink
, bl
);
3477 ::encode(dirfragtree
, bl
);
3478 ::encode(xattrs
, bl
);
3479 ::encode(old_inodes
, bl
, features
);
3480 ::encode(damage_flags
, bl
);
3483 void CInode::_decode_base(bufferlist::iterator
& p
)
3487 ::decode(symlink
, p
);
3488 ::decode(dirfragtree
, p
);
3489 ::decode(xattrs
, p
);
3490 ::decode(old_inodes
, p
);
3491 ::decode(damage_flags
, p
);
3495 void CInode::_encode_locks_full(bufferlist
& bl
)
3497 ::encode(authlock
, bl
);
3498 ::encode(linklock
, bl
);
3499 ::encode(dirfragtreelock
, bl
);
3500 ::encode(filelock
, bl
);
3501 ::encode(xattrlock
, bl
);
3502 ::encode(snaplock
, bl
);
3503 ::encode(nestlock
, bl
);
3504 ::encode(flocklock
, bl
);
3505 ::encode(policylock
, bl
);
3507 ::encode(loner_cap
, bl
);
3509 void CInode::_decode_locks_full(bufferlist::iterator
& p
)
3511 ::decode(authlock
, p
);
3512 ::decode(linklock
, p
);
3513 ::decode(dirfragtreelock
, p
);
3514 ::decode(filelock
, p
);
3515 ::decode(xattrlock
, p
);
3516 ::decode(snaplock
, p
);
3517 ::decode(nestlock
, p
);
3518 ::decode(flocklock
, p
);
3519 ::decode(policylock
, p
);
3521 ::decode(loner_cap
, p
);
3522 set_loner_cap(loner_cap
);
3523 want_loner_cap
= loner_cap
; // for now, we'll eval() shortly.
3526 void CInode::_encode_locks_state_for_replica(bufferlist
& bl
)
3528 authlock
.encode_state_for_replica(bl
);
3529 linklock
.encode_state_for_replica(bl
);
3530 dirfragtreelock
.encode_state_for_replica(bl
);
3531 filelock
.encode_state_for_replica(bl
);
3532 nestlock
.encode_state_for_replica(bl
);
3533 xattrlock
.encode_state_for_replica(bl
);
3534 snaplock
.encode_state_for_replica(bl
);
3535 flocklock
.encode_state_for_replica(bl
);
3536 policylock
.encode_state_for_replica(bl
);
3538 void CInode::_encode_locks_state_for_rejoin(bufferlist
& bl
, int rep
)
3540 authlock
.encode_state_for_replica(bl
);
3541 linklock
.encode_state_for_replica(bl
);
3542 dirfragtreelock
.encode_state_for_rejoin(bl
, rep
);
3543 filelock
.encode_state_for_rejoin(bl
, rep
);
3544 nestlock
.encode_state_for_rejoin(bl
, rep
);
3545 xattrlock
.encode_state_for_replica(bl
);
3546 snaplock
.encode_state_for_replica(bl
);
3547 flocklock
.encode_state_for_replica(bl
);
3548 policylock
.encode_state_for_replica(bl
);
3550 void CInode::_decode_locks_state(bufferlist::iterator
& p
, bool is_new
)
3552 authlock
.decode_state(p
, is_new
);
3553 linklock
.decode_state(p
, is_new
);
3554 dirfragtreelock
.decode_state(p
, is_new
);
3555 filelock
.decode_state(p
, is_new
);
3556 nestlock
.decode_state(p
, is_new
);
3557 xattrlock
.decode_state(p
, is_new
);
3558 snaplock
.decode_state(p
, is_new
);
3559 flocklock
.decode_state(p
, is_new
);
3560 policylock
.decode_state(p
, is_new
);
3562 void CInode::_decode_locks_rejoin(bufferlist::iterator
& p
, list
<MDSInternalContextBase
*>& waiters
,
3563 list
<SimpleLock
*>& eval_locks
)
3565 authlock
.decode_state_rejoin(p
, waiters
);
3566 linklock
.decode_state_rejoin(p
, waiters
);
3567 dirfragtreelock
.decode_state_rejoin(p
, waiters
);
3568 filelock
.decode_state_rejoin(p
, waiters
);
3569 nestlock
.decode_state_rejoin(p
, waiters
);
3570 xattrlock
.decode_state_rejoin(p
, waiters
);
3571 snaplock
.decode_state_rejoin(p
, waiters
);
3572 flocklock
.decode_state_rejoin(p
, waiters
);
3573 policylock
.decode_state_rejoin(p
, waiters
);
3575 if (!dirfragtreelock
.is_stable() && !dirfragtreelock
.is_wrlocked())
3576 eval_locks
.push_back(&dirfragtreelock
);
3577 if (!filelock
.is_stable() && !filelock
.is_wrlocked())
3578 eval_locks
.push_back(&filelock
);
3579 if (!nestlock
.is_stable() && !nestlock
.is_wrlocked())
3580 eval_locks
.push_back(&nestlock
);
3586 void CInode::encode_export(bufferlist
& bl
)
3588 ENCODE_START(5, 4, bl
);
3589 _encode_base(bl
, mdcache
->mds
->mdsmap
->get_up_features());
3591 ::encode(state
, bl
);
3595 ::encode(replica_map
, bl
);
3597 // include scatterlock info for any bounding CDirs
3598 bufferlist bounding
;
3600 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
3601 p
!= dirfrags
.end();
3603 CDir
*dir
= p
->second
;
3604 if (dir
->state_test(CDir::STATE_EXPORTBOUND
)) {
3605 ::encode(p
->first
, bounding
);
3606 ::encode(dir
->fnode
.fragstat
, bounding
);
3607 ::encode(dir
->fnode
.accounted_fragstat
, bounding
);
3608 ::encode(dir
->fnode
.rstat
, bounding
);
3609 ::encode(dir
->fnode
.accounted_rstat
, bounding
);
3610 dout(10) << " encoded fragstat/rstat info for " << *dir
<< dendl
;
3613 ::encode(bounding
, bl
);
3615 _encode_locks_full(bl
);
3617 _encode_file_locks(bl
);
3621 get(PIN_TEMPEXPORTING
);
3624 void CInode::finish_export(utime_t now
)
3626 state
&= MASK_STATE_EXPORT_KEPT
;
3631 //dirlock.clear_updated();
3635 put(PIN_TEMPEXPORTING
);
3638 void CInode::decode_import(bufferlist::iterator
& p
,
3647 state_set(STATE_AUTH
| (s
& MASK_STATE_EXPORTED
));
3653 if (is_dirty_parent()) {
3654 get(PIN_DIRTYPARENT
);
3655 _mark_dirty_parent(ls
);
3658 ::decode(pop
, ceph_clock_now(), p
);
3660 ::decode(replica_map
, p
);
3661 if (!replica_map
.empty())
3662 get(PIN_REPLICATED
);
3665 // decode fragstat info on bounding cdirs
3666 bufferlist bounding
;
3667 ::decode(bounding
, p
);
3668 bufferlist::iterator q
= bounding
.begin();
3672 CDir
*dir
= get_dirfrag(fg
);
3673 assert(dir
); // we should have all bounds open
3675 // Only take the remote's fragstat/rstat if we are non-auth for
3676 // this dirfrag AND the lock is NOT in a scattered (MIX) state.
3677 // We know lock is stable, and MIX is the only state in which
3678 // the inode auth (who sent us this data) may not have the best
3681 // HMM: Are there cases where dir->is_auth() is an insufficient
3682 // check because the dirfrag is under migration? That implies
3683 // it is frozen (and in a SYNC or LOCK state). FIXME.
3685 if (dir
->is_auth() ||
3686 filelock
.get_state() == LOCK_MIX
) {
3687 dout(10) << " skipped fragstat info for " << *dir
<< dendl
;
3692 ::decode(dir
->fnode
.fragstat
, q
);
3693 ::decode(dir
->fnode
.accounted_fragstat
, q
);
3694 dout(10) << " took fragstat info for " << *dir
<< dendl
;
3696 if (dir
->is_auth() ||
3697 nestlock
.get_state() == LOCK_MIX
) {
3698 dout(10) << " skipped rstat info for " << *dir
<< dendl
;
3703 ::decode(dir
->fnode
.rstat
, q
);
3704 ::decode(dir
->fnode
.accounted_rstat
, q
);
3705 dout(10) << " took rstat info for " << *dir
<< dendl
;
3709 _decode_locks_full(p
);
3711 _decode_file_locks(p
);
3717 void InodeStoreBase::dump(Formatter
*f
) const
3720 f
->dump_string("symlink", symlink
);
3721 f
->open_array_section("old_inodes");
3722 for (compact_map
<snapid_t
, old_inode_t
>::const_iterator i
= old_inodes
.begin();
3723 i
!= old_inodes
.end(); ++i
) {
3724 f
->open_object_section("old_inode");
3726 // The key is the last snapid, the first is in the old_inode_t
3727 f
->dump_int("last", i
->first
);
3730 f
->close_section(); // old_inode
3732 f
->close_section(); // old_inodes
3734 f
->open_object_section("dirfragtree");
3735 dirfragtree
.dump(f
);
3736 f
->close_section(); // dirfragtree
3740 void InodeStore::generate_test_instances(list
<InodeStore
*> &ls
)
3742 InodeStore
*populated
= new InodeStore
;
3743 populated
->inode
.ino
= 0xdeadbeef;
3744 populated
->symlink
= "rhubarb";
3745 ls
.push_back(populated
);
3748 void CInode::validate_disk_state(CInode::validated_data
*results
,
3749 MDSInternalContext
*fin
)
3751 class ValidationContinuation
: public MDSContinuation
{
3753 MDSInternalContext
*fin
;
3755 CInode::validated_data
*results
;
3766 ValidationContinuation(CInode
*i
,
3767 CInode::validated_data
*data_r
,
3768 MDSInternalContext
*fin_
) :
3769 MDSContinuation(i
->mdcache
->mds
->server
),
3774 set_callback(START
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_start
));
3775 set_callback(BACKTRACE
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_backtrace
));
3776 set_callback(INODE
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_inode_disk
));
3777 set_callback(DIRFRAGS
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_dirfrags
));
3780 ~ValidationContinuation() override
{
3785 * Fetch backtrace and set tag if tag is non-empty
3787 void fetch_backtrace_and_tag(CInode
*in
, std::string tag
,
3788 Context
*fin
, int *bt_r
, bufferlist
*bt
)
3790 const int64_t pool
= in
->get_backtrace_pool();
3791 object_t oid
= CInode::get_object_name(in
->ino(), frag_t(), "");
3793 ObjectOperation fetch
;
3794 fetch
.getxattr("parent", bt
, bt_r
);
3795 in
->mdcache
->mds
->objecter
->read(oid
, object_locator_t(pool
), fetch
, CEPH_NOSNAP
,
3798 ObjectOperation scrub_tag
;
3800 ::encode(tag
, tag_bl
);
3801 scrub_tag
.setxattr("scrub_tag", tag_bl
);
3803 in
->mdcache
->mds
->objecter
->mutate(oid
, object_locator_t(pool
), scrub_tag
, snapc
,
3804 ceph::real_clock::now(),
3809 bool _start(int rval
) {
3810 if (in
->is_dirty()) {
3811 MDCache
*mdcache
= in
->mdcache
;
3812 inode_t
& inode
= in
->inode
;
3813 dout(20) << "validating a dirty CInode; results will be inconclusive"
3816 if (in
->is_symlink()) {
3817 // there's nothing to do for symlinks!
3821 C_OnFinisher
*conf
= new C_OnFinisher(get_io_callback(BACKTRACE
),
3822 in
->mdcache
->mds
->finisher
);
3824 // Whether we have a tag to apply depends on ScrubHeader (if one is
3826 if (in
->scrub_infop
) {
3827 // I'm a non-orphan, so look up my ScrubHeader via my linkage
3828 const std::string
&tag
= in
->scrub_infop
->header
->get_tag();
3829 // Rather than using the usual CInode::fetch_backtrace,
3830 // use a special variant that optionally writes a tag in the same
3832 fetch_backtrace_and_tag(in
, tag
, conf
,
3833 &results
->backtrace
.ondisk_read_retval
, &bl
);
3835 // When we're invoked outside of ScrubStack we might be called
3836 // on an orphaned inode like /
3837 fetch_backtrace_and_tag(in
, {}, conf
,
3838 &results
->backtrace
.ondisk_read_retval
, &bl
);
3843 bool _backtrace(int rval
) {
3844 // set up basic result reporting and make sure we got the data
3845 results
->performed_validation
= true; // at least, some of it!
3846 results
->backtrace
.checked
= true;
3848 const int64_t pool
= in
->get_backtrace_pool();
3849 inode_backtrace_t
& memory_backtrace
= results
->backtrace
.memory_value
;
3850 in
->build_backtrace(pool
, memory_backtrace
);
3851 bool equivalent
, divergent
;
3854 MDCache
*mdcache
= in
->mdcache
; // For the benefit of dout
3855 const inode_t
& inode
= in
->inode
; // For the benefit of dout
3857 // Ignore rval because it's the result of a FAILOK operation
3858 // from fetch_backtrace_and_tag: the real result is in
3859 // backtrace.ondisk_read_retval
3860 dout(20) << "ondisk_read_retval: " << results
->backtrace
.ondisk_read_retval
<< dendl
;
3861 if (results
->backtrace
.ondisk_read_retval
!= 0) {
3862 results
->backtrace
.error_str
<< "failed to read off disk; see retval";
3866 // extract the backtrace, and compare it to a newly-constructed one
3868 bufferlist::iterator p
= bl
.begin();
3869 ::decode(results
->backtrace
.ondisk_value
, p
);
3870 dout(10) << "decoded " << bl
.length() << " bytes of backtrace successfully" << dendl
;
3871 } catch (buffer::error
&) {
3872 if (results
->backtrace
.ondisk_read_retval
== 0 && rval
!= 0) {
3873 // Cases where something has clearly gone wrong with the overall
3874 // fetch op, though we didn't get a nonzero rc from the getxattr
3875 // operation. e.g. object missing.
3876 results
->backtrace
.ondisk_read_retval
= rval
;
3878 results
->backtrace
.error_str
<< "failed to decode on-disk backtrace ("
3879 << bl
.length() << " bytes)!";
3883 memory_newer
= memory_backtrace
.compare(results
->backtrace
.ondisk_value
,
3884 &equivalent
, &divergent
);
3886 if (divergent
|| memory_newer
< 0) {
3887 // we're divergent, or on-disk version is newer
3888 results
->backtrace
.error_str
<< "On-disk backtrace is divergent or newer";
3890 results
->backtrace
.passed
= true;
3894 if (!results
->backtrace
.passed
&& in
->scrub_infop
->header
->get_repair()) {
3896 in
->make_path_string(path
);
3897 in
->mdcache
->mds
->clog
->warn() << "bad backtrace on inode " << *in
3898 << ", rewriting it at " << path
;
3899 in
->_mark_dirty_parent(in
->mdcache
->mds
->mdlog
->get_current_segment(),
3903 // If the inode's number was free in the InoTable, fix that
3906 InoTable
*inotable
= mdcache
->mds
->inotable
;
3908 dout(10) << "scrub: inotable ino = 0x" << std::hex
<< inode
.ino
<< dendl
;
3909 dout(10) << "scrub: inotable free says "
3910 << inotable
->is_marked_free(inode
.ino
) << dendl
;
3912 if (inotable
->is_marked_free(inode
.ino
)) {
3913 LogChannelRef clog
= in
->mdcache
->mds
->clog
;
3914 clog
->error() << "scrub: inode wrongly marked free: 0x" << std::hex
3917 if (in
->scrub_infop
->header
->get_repair()) {
3918 bool repaired
= inotable
->repair(inode
.ino
);
3920 clog
->error() << "inode table repaired for inode: 0x" << std::hex
3925 clog
->error() << "Cannot repair inotable while other operations"
3932 // quit if we're a file, or kick off directory checks otherwise
3933 // TODO: validate on-disk inode for non-base directories
3934 if (!in
->is_dir()) {
3938 return validate_directory_data();
3941 bool validate_directory_data() {
3942 assert(in
->is_dir());
3944 if (in
->is_base()) {
3945 shadow_in
= new CInode(in
->mdcache
);
3946 in
->mdcache
->create_unlinked_system_inode(shadow_in
,
3949 shadow_in
->fetch(get_internal_callback(INODE
));
3952 results
->inode
.passed
= true;
3953 return check_dirfrag_rstats();
3957 bool _inode_disk(int rval
) {
3958 results
->inode
.checked
= true;
3959 results
->inode
.ondisk_read_retval
= rval
;
3960 results
->inode
.ondisk_value
= shadow_in
->inode
;
3961 results
->inode
.memory_value
= in
->inode
;
3963 inode_t
& si
= shadow_in
->inode
;
3964 inode_t
& i
= in
->inode
;
3965 if (si
.version
> i
.version
) {
3967 results
->inode
.error_str
<< "On-disk inode is newer than in-memory one!";
3970 bool divergent
= false;
3971 int r
= i
.compare(si
, &divergent
);
3972 results
->inode
.passed
= !divergent
&& r
>= 0;
3973 if (!results
->inode
.passed
) {
3974 results
->inode
.error_str
<<
3975 "On-disk inode is divergent or newer than in-memory one!";
3980 return check_dirfrag_rstats();
3983 bool check_dirfrag_rstats() {
3984 MDSGatherBuilder
gather(g_ceph_context
);
3985 std::list
<frag_t
> frags
;
3986 in
->dirfragtree
.get_leaves(frags
);
3987 for (list
<frag_t
>::iterator p
= frags
.begin();
3990 CDir
*dir
= in
->get_or_open_dirfrag(in
->mdcache
, *p
);
3992 if (!dir
->scrub_infop
->header
)
3993 dir
->scrub_infop
->header
= in
->scrub_infop
->header
;
3994 if (dir
->is_complete()) {
3997 dir
->scrub_infop
->need_scrub_local
= true;
3998 dir
->fetch(gather
.new_sub(), false);
4001 if (gather
.has_subs()) {
4002 gather
.set_finisher(get_internal_callback(DIRFRAGS
));
4006 return immediate(DIRFRAGS
, 0);
4010 bool _dirfrags(int rval
) {
4011 int frags_errors
= 0;
4012 // basic reporting setup
4013 results
->raw_stats
.checked
= true;
4014 results
->raw_stats
.ondisk_read_retval
= rval
;
4016 results
->raw_stats
.memory_value
.dirstat
= in
->inode
.dirstat
;
4017 results
->raw_stats
.memory_value
.rstat
= in
->inode
.rstat
;
4018 frag_info_t
& dir_info
= results
->raw_stats
.ondisk_value
.dirstat
;
4019 nest_info_t
& nest_info
= results
->raw_stats
.ondisk_value
.rstat
;
4022 results
->raw_stats
.error_str
<< "Failed to read dirfrags off disk";
4026 // check each dirfrag...
4027 for (compact_map
<frag_t
,CDir
*>::iterator p
= in
->dirfrags
.begin();
4028 p
!= in
->dirfrags
.end();
4030 CDir
*dir
= p
->second
;
4031 assert(dir
->get_version() > 0);
4032 nest_info
.add(dir
->fnode
.accounted_rstat
);
4033 dir_info
.add(dir
->fnode
.accounted_fragstat
);
4034 if (dir
->scrub_infop
&&
4035 dir
->scrub_infop
->pending_scrub_error
) {
4036 dir
->scrub_infop
->pending_scrub_error
= false;
4037 if (dir
->scrub_infop
->header
->get_repair()) {
4038 results
->raw_stats
.error_str
4039 << "dirfrag(" << p
->first
<< ") has bad stats (will be fixed); ";
4041 results
->raw_stats
.error_str
4042 << "dirfrag(" << p
->first
<< ") has bad stats; ";
4047 nest_info
.rsubdirs
++; // it gets one to account for self
4048 // ...and that their sum matches our inode settings
4049 if (!dir_info
.same_sums(in
->inode
.dirstat
) ||
4050 !nest_info
.same_sums(in
->inode
.rstat
)) {
4051 if (in
->scrub_infop
&&
4052 in
->scrub_infop
->header
->get_repair()) {
4053 results
->raw_stats
.error_str
4054 << "freshly-calculated rstats don't match existing ones (will be fixed)";
4055 in
->mdcache
->repair_inode_stats(in
);
4057 results
->raw_stats
.error_str
4058 << "freshly-calculated rstats don't match existing ones";
4062 if (frags_errors
> 0)
4065 results
->raw_stats
.passed
= true;
4070 void _done() override
{
4071 if ((!results
->raw_stats
.checked
|| results
->raw_stats
.passed
) &&
4072 (!results
->backtrace
.checked
|| results
->backtrace
.passed
) &&
4073 (!results
->inode
.checked
|| results
->inode
.passed
))
4074 results
->passed_validation
= true;
4076 fin
->complete(get_rval());
4082 dout(10) << "scrub starting validate_disk_state on " << *this << dendl
;
4083 ValidationContinuation
*vc
= new ValidationContinuation(this,
4089 void CInode::validated_data::dump(Formatter
*f
) const
4091 f
->open_object_section("results");
4093 f
->dump_bool("performed_validation", performed_validation
);
4094 f
->dump_bool("passed_validation", passed_validation
);
4095 f
->open_object_section("backtrace");
4097 f
->dump_bool("checked", backtrace
.checked
);
4098 f
->dump_bool("passed", backtrace
.passed
);
4099 f
->dump_int("read_ret_val", backtrace
.ondisk_read_retval
);
4100 f
->dump_stream("ondisk_value") << backtrace
.ondisk_value
;
4101 f
->dump_stream("memoryvalue") << backtrace
.memory_value
;
4102 f
->dump_string("error_str", backtrace
.error_str
.str());
4104 f
->close_section(); // backtrace
4105 f
->open_object_section("raw_stats");
4107 f
->dump_bool("checked", raw_stats
.checked
);
4108 f
->dump_bool("passed", raw_stats
.passed
);
4109 f
->dump_int("read_ret_val", raw_stats
.ondisk_read_retval
);
4110 f
->dump_stream("ondisk_value.dirstat") << raw_stats
.ondisk_value
.dirstat
;
4111 f
->dump_stream("ondisk_value.rstat") << raw_stats
.ondisk_value
.rstat
;
4112 f
->dump_stream("memory_value.dirrstat") << raw_stats
.memory_value
.dirstat
;
4113 f
->dump_stream("memory_value.rstat") << raw_stats
.memory_value
.rstat
;
4114 f
->dump_string("error_str", raw_stats
.error_str
.str());
4116 f
->close_section(); // raw_stats
4117 // dump failure return code
4119 if (backtrace
.checked
&& backtrace
.ondisk_read_retval
)
4120 rc
= backtrace
.ondisk_read_retval
;
4121 if (inode
.checked
&& inode
.ondisk_read_retval
)
4122 rc
= inode
.ondisk_read_retval
;
4123 if (raw_stats
.checked
&& raw_stats
.ondisk_read_retval
)
4124 rc
= raw_stats
.ondisk_read_retval
;
4125 f
->dump_int("return_code", rc
);
4127 f
->close_section(); // results
4130 void CInode::dump(Formatter
*f
) const
4132 InodeStoreBase::dump(f
);
4134 MDSCacheObject::dump(f
);
4136 f
->open_object_section("versionlock");
4137 versionlock
.dump(f
);
4140 f
->open_object_section("authlock");
4144 f
->open_object_section("linklock");
4148 f
->open_object_section("dirfragtreelock");
4149 dirfragtreelock
.dump(f
);
4152 f
->open_object_section("filelock");
4156 f
->open_object_section("xattrlock");
4160 f
->open_object_section("snaplock");
4164 f
->open_object_section("nestlock");
4168 f
->open_object_section("flocklock");
4172 f
->open_object_section("policylock");
4176 f
->open_array_section("states");
4177 MDSCacheObject::dump_states(f
);
4178 if (state_test(STATE_EXPORTING
))
4179 f
->dump_string("state", "exporting");
4180 if (state_test(STATE_OPENINGDIR
))
4181 f
->dump_string("state", "openingdir");
4182 if (state_test(STATE_FREEZING
))
4183 f
->dump_string("state", "freezing");
4184 if (state_test(STATE_FROZEN
))
4185 f
->dump_string("state", "frozen");
4186 if (state_test(STATE_AMBIGUOUSAUTH
))
4187 f
->dump_string("state", "ambiguousauth");
4188 if (state_test(STATE_EXPORTINGCAPS
))
4189 f
->dump_string("state", "exportingcaps");
4190 if (state_test(STATE_NEEDSRECOVER
))
4191 f
->dump_string("state", "needsrecover");
4192 if (state_test(STATE_PURGING
))
4193 f
->dump_string("state", "purging");
4194 if (state_test(STATE_DIRTYPARENT
))
4195 f
->dump_string("state", "dirtyparent");
4196 if (state_test(STATE_DIRTYRSTAT
))
4197 f
->dump_string("state", "dirtyrstat");
4198 if (state_test(STATE_STRAYPINNED
))
4199 f
->dump_string("state", "straypinned");
4200 if (state_test(STATE_FROZENAUTHPIN
))
4201 f
->dump_string("state", "frozenauthpin");
4202 if (state_test(STATE_DIRTYPOOL
))
4203 f
->dump_string("state", "dirtypool");
4204 if (state_test(STATE_ORPHAN
))
4205 f
->dump_string("state", "orphan");
4206 if (state_test(STATE_MISSINGOBJS
))
4207 f
->dump_string("state", "missingobjs");
4210 f
->open_array_section("client_caps");
4211 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
4212 it
!= client_caps
.end(); ++it
) {
4213 f
->open_object_section("client_cap");
4214 f
->dump_int("client_id", it
->first
.v
);
4215 f
->dump_string("pending", ccap_string(it
->second
->pending()));
4216 f
->dump_string("issued", ccap_string(it
->second
->issued()));
4217 f
->dump_string("wanted", ccap_string(it
->second
->wanted()));
4218 f
->dump_string("last_sent", ccap_string(it
->second
->get_last_sent()));
4223 f
->dump_int("loner", loner_cap
.v
);
4224 f
->dump_int("want_loner", want_loner_cap
.v
);
4226 f
->open_array_section("mds_caps_wanted");
4227 for (compact_map
<int,int>::const_iterator p
= mds_caps_wanted
.begin();
4228 p
!= mds_caps_wanted
.end(); ++p
) {
4229 f
->open_object_section("mds_cap_wanted");
4230 f
->dump_int("rank", p
->first
);
4231 f
->dump_string("cap", ccap_string(p
->second
));
4237 /****** Scrub Stuff *****/
4238 void CInode::scrub_info_create() const
4240 dout(25) << __func__
<< dendl
;
4241 assert(!scrub_infop
);
4243 // break out of const-land to set up implicit initial state
4244 CInode
*me
= const_cast<CInode
*>(this);
4245 inode_t
*in
= me
->get_projected_inode();
4247 scrub_info_t
*si
= new scrub_info_t();
4248 si
->scrub_start_stamp
= si
->last_scrub_stamp
= in
->last_scrub_stamp
;
4249 si
->scrub_start_version
= si
->last_scrub_version
= in
->last_scrub_version
;
4251 me
->scrub_infop
= si
;
4254 void CInode::scrub_maybe_delete_info()
4257 !scrub_infop
->scrub_in_progress
&&
4258 !scrub_infop
->last_scrub_dirty
) {
4264 void CInode::scrub_initialize(CDentry
*scrub_parent
,
4265 const ScrubHeaderRefConst
& header
,
4266 MDSInternalContextBase
*f
)
4268 dout(20) << __func__
<< " with scrub_version " << get_version() << dendl
;
4269 assert(!scrub_is_in_progress());
4272 scrub_infop
= new scrub_info_t();
4274 if (get_projected_inode()->is_dir()) {
4275 // fill in dirfrag_stamps with initial state
4276 std::list
<frag_t
> frags
;
4277 dirfragtree
.get_leaves(frags
);
4278 for (std::list
<frag_t
>::iterator i
= frags
.begin();
4281 if (header
->get_force())
4282 scrub_infop
->dirfrag_stamps
[*i
].reset();
4284 scrub_infop
->dirfrag_stamps
[*i
];
4289 scrub_parent
->get(CDentry::PIN_SCRUBPARENT
);
4290 scrub_infop
->scrub_parent
= scrub_parent
;
4291 scrub_infop
->on_finish
= f
;
4292 scrub_infop
->scrub_in_progress
= true;
4293 scrub_infop
->children_scrubbed
= false;
4294 scrub_infop
->header
= header
;
4296 scrub_infop
->scrub_start_version
= get_version();
4297 scrub_infop
->scrub_start_stamp
= ceph_clock_now();
4298 // right now we don't handle remote inodes
4301 int CInode::scrub_dirfrag_next(frag_t
* out_dirfrag
)
4303 dout(20) << __func__
<< dendl
;
4304 assert(scrub_is_in_progress());
4310 std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4311 scrub_infop
->dirfrag_stamps
.begin();
4313 while (i
!= scrub_infop
->dirfrag_stamps
.end()) {
4314 if (i
->second
.scrub_start_version
< scrub_infop
->scrub_start_version
) {
4315 i
->second
.scrub_start_version
= get_projected_version();
4316 i
->second
.scrub_start_stamp
= ceph_clock_now();
4317 *out_dirfrag
= i
->first
;
4318 dout(20) << " return frag " << *out_dirfrag
<< dendl
;
4324 dout(20) << " no frags left, ENOENT " << dendl
;
4328 void CInode::scrub_dirfrags_scrubbing(list
<frag_t
>* out_dirfrags
)
4330 assert(out_dirfrags
!= NULL
);
4331 assert(scrub_infop
!= NULL
);
4333 out_dirfrags
->clear();
4334 std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4335 scrub_infop
->dirfrag_stamps
.begin();
4337 while (i
!= scrub_infop
->dirfrag_stamps
.end()) {
4338 if (i
->second
.scrub_start_version
>= scrub_infop
->scrub_start_version
) {
4339 if (i
->second
.last_scrub_version
< scrub_infop
->scrub_start_version
)
4340 out_dirfrags
->push_back(i
->first
);
4349 void CInode::scrub_dirfrag_finished(frag_t dirfrag
)
4351 dout(20) << __func__
<< " on frag " << dirfrag
<< dendl
;
4352 assert(scrub_is_in_progress());
4354 std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4355 scrub_infop
->dirfrag_stamps
.find(dirfrag
);
4356 assert(i
!= scrub_infop
->dirfrag_stamps
.end());
4358 scrub_stamp_info_t
&si
= i
->second
;
4359 si
.last_scrub_stamp
= si
.scrub_start_stamp
;
4360 si
.last_scrub_version
= si
.scrub_start_version
;
4363 void CInode::scrub_finished(MDSInternalContextBase
**c
) {
4364 dout(20) << __func__
<< dendl
;
4365 assert(scrub_is_in_progress());
4366 for (std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4367 scrub_infop
->dirfrag_stamps
.begin();
4368 i
!= scrub_infop
->dirfrag_stamps
.end();
4370 if(i
->second
.last_scrub_version
!= i
->second
.scrub_start_version
) {
4371 derr
<< i
->second
.last_scrub_version
<< " != "
4372 << i
->second
.scrub_start_version
<< dendl
;
4374 assert(i
->second
.last_scrub_version
== i
->second
.scrub_start_version
);
4377 scrub_infop
->last_scrub_version
= scrub_infop
->scrub_start_version
;
4378 scrub_infop
->last_scrub_stamp
= scrub_infop
->scrub_start_stamp
;
4379 scrub_infop
->last_scrub_dirty
= true;
4380 scrub_infop
->scrub_in_progress
= false;
4382 if (scrub_infop
->scrub_parent
) {
4383 CDentry
*dn
= scrub_infop
->scrub_parent
;
4384 scrub_infop
->scrub_parent
= NULL
;
4385 dn
->dir
->scrub_dentry_finished(dn
);
4386 dn
->put(CDentry::PIN_SCRUBPARENT
);
4389 *c
= scrub_infop
->on_finish
;
4390 scrub_infop
->on_finish
= NULL
;
4392 if (scrub_infop
->header
->get_origin() == this) {
4393 // We are at the point that a tagging scrub was initiated
4394 LogChannelRef clog
= mdcache
->mds
->clog
;
4395 clog
->info() << "scrub complete with tag '" << scrub_infop
->header
->get_tag() << "'";
4399 int64_t CInode::get_backtrace_pool() const
4402 return mdcache
->mds
->mdsmap
->get_metadata_pool();
4404 // Files are required to have an explicit layout that specifies
4406 assert(inode
.layout
.pool_id
!= -1);
4407 return inode
.layout
.pool_id
;
4411 void CInode::maybe_export_pin(bool update
)
4413 if (!g_conf
->mds_bal_export_pin
)
4415 if (!is_dir() || !is_normal())
4418 mds_rank_t export_pin
= get_export_pin(false);
4419 if (export_pin
== MDS_RANK_NONE
&& !update
)
4422 if (state_test(CInode::STATE_QUEUEDEXPORTPIN
))
4426 for (auto p
= dirfrags
.begin(); p
!= dirfrags
.end(); p
++) {
4427 CDir
*dir
= p
->second
;
4428 if (!dir
->is_auth())
4430 if (export_pin
!= MDS_RANK_NONE
) {
4431 if (dir
->is_subtree_root()) {
4432 // set auxsubtree bit or export it
4433 if (!dir
->state_test(CDir::STATE_AUXSUBTREE
) ||
4434 export_pin
!= dir
->get_dir_auth().first
)
4437 // create aux subtree or export it
4441 // clear aux subtrees ?
4442 queue
= dir
->state_test(CDir::STATE_AUXSUBTREE
);
4445 state_set(CInode::STATE_QUEUEDEXPORTPIN
);
4446 mdcache
->export_pin_queue
.insert(this);
4452 void CInode::set_export_pin(mds_rank_t rank
)
4455 assert(is_projected());
4456 get_projected_inode()->export_pin
= rank
;
4457 maybe_export_pin(true);
4460 mds_rank_t
CInode::get_export_pin(bool inherit
) const
4462 /* An inode that is export pinned may not necessarily be a subtree root, we
4463 * need to traverse the parents. A base or system inode cannot be pinned.
4464 * N.B. inodes not yet linked into a dir (i.e. anonymous inodes) will not
4465 * have a parent yet.
4467 for (const CInode
*in
= this; !in
->is_base() && !in
->is_system() && in
->get_projected_parent_dn(); in
= in
->get_projected_parent_dn()->dir
->inode
) {
4468 mds_rank_t pin
= in
->get_projected_inode()->export_pin
;
4472 if (!inherit
) break;
4474 return MDS_RANK_NONE
;
4477 bool CInode::is_exportable(mds_rank_t dest
) const
4479 mds_rank_t pin
= get_export_pin();
4482 } else if (pin
>= 0) {