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
*pdn
= get_projected_parent_dn();
343 if (pdn
->is_auth()) {
344 CDir
*pdir
= pdn
->dir
;
345 pdir
->dirty_rstat_inodes
.push_back(&dirty_rstat_item
);
346 mdcache
->mds
->locker
->mark_updated_scatterlock(&pdir
->inode
->nestlock
);
348 // under cross-MDS rename.
349 // DIRTYRSTAT flag will get cleared when rename finishes
350 assert(state_test(STATE_AMBIGUOUSAUTH
));
354 void CInode::clear_dirty_rstat()
356 if (state_test(STATE_DIRTYRSTAT
)) {
357 dout(10) << "clear_dirty_rstat" << dendl
;
358 state_clear(STATE_DIRTYRSTAT
);
360 dirty_rstat_item
.remove_myself();
364 inode_t
*CInode::project_inode(map
<string
,bufferptr
> *px
)
366 if (projected_nodes
.empty()) {
367 projected_nodes
.push_back(new projected_inode_t(new inode_t(inode
)));
371 projected_nodes
.push_back(new projected_inode_t(
372 new inode_t(*projected_nodes
.back()->inode
)));
374 *px
= *get_projected_xattrs();
377 projected_inode_t
&pi
= *projected_nodes
.back();
381 ++num_projected_xattrs
;
384 if (scrub_infop
&& scrub_infop
->last_scrub_dirty
) {
385 pi
.inode
->last_scrub_stamp
= scrub_infop
->last_scrub_stamp
;
386 pi
.inode
->last_scrub_version
= scrub_infop
->last_scrub_version
;
387 scrub_infop
->last_scrub_dirty
= false;
388 scrub_maybe_delete_info();
390 dout(15) << "project_inode " << pi
.inode
<< dendl
;
394 void CInode::pop_and_dirty_projected_inode(LogSegment
*ls
)
396 assert(!projected_nodes
.empty());
397 dout(15) << "pop_and_dirty_projected_inode " << projected_nodes
.front()->inode
398 << " v" << projected_nodes
.front()->inode
->version
<< dendl
;
399 int64_t old_pool
= inode
.layout
.pool_id
;
401 mark_dirty(projected_nodes
.front()->inode
->version
, ls
);
402 inode
= *projected_nodes
.front()->inode
;
404 if (inode
.is_backtrace_updated())
405 _mark_dirty_parent(ls
, old_pool
!= inode
.layout
.pool_id
);
407 map
<string
,bufferptr
> *px
= projected_nodes
.front()->xattrs
;
409 --num_projected_xattrs
;
414 if (projected_nodes
.front()->snapnode
) {
415 pop_projected_snaprealm(projected_nodes
.front()->snapnode
);
416 --num_projected_srnodes
;
419 delete projected_nodes
.front()->inode
;
420 delete projected_nodes
.front();
422 projected_nodes
.pop_front();
425 sr_t
*CInode::project_snaprealm(snapid_t snapid
)
427 sr_t
*cur_srnode
= get_projected_srnode();
431 new_srnode
= new sr_t(*cur_srnode
);
433 new_srnode
= new sr_t();
434 new_srnode
->created
= snapid
;
435 new_srnode
->current_parent_since
= get_oldest_snap();
437 dout(10) << "project_snaprealm " << new_srnode
<< dendl
;
438 projected_nodes
.back()->snapnode
= new_srnode
;
439 ++num_projected_srnodes
;
443 /* if newparent != parent, add parent to past_parents
444 if parent DNE, we need to find what the parent actually is and fill that in */
445 void CInode::project_past_snaprealm_parent(SnapRealm
*newparent
)
447 sr_t
*new_snap
= project_snaprealm();
448 SnapRealm
*oldparent
;
450 oldparent
= find_snaprealm();
451 new_snap
->seq
= oldparent
->get_newest_seq();
454 oldparent
= snaprealm
->parent
;
456 if (newparent
!= oldparent
) {
457 snapid_t oldparentseq
= oldparent
->get_newest_seq();
458 if (oldparentseq
+ 1 > new_snap
->current_parent_since
) {
459 new_snap
->past_parents
[oldparentseq
].ino
= oldparent
->inode
->ino();
460 new_snap
->past_parents
[oldparentseq
].first
= new_snap
->current_parent_since
;
462 new_snap
->current_parent_since
= MAX(oldparentseq
, newparent
->get_last_created()) + 1;
466 void CInode::pop_projected_snaprealm(sr_t
*next_snaprealm
)
468 assert(next_snaprealm
);
469 dout(10) << "pop_projected_snaprealm " << next_snaprealm
470 << " seq" << next_snaprealm
->seq
<< dendl
;
471 bool invalidate_cached_snaps
= false;
474 } else if (next_snaprealm
->past_parents
.size() !=
475 snaprealm
->srnode
.past_parents
.size()) {
476 invalidate_cached_snaps
= true;
477 // re-open past parents
478 snaprealm
->_close_parents();
480 dout(10) << " realm " << *snaprealm
<< " past_parents " << snaprealm
->srnode
.past_parents
481 << " -> " << next_snaprealm
->past_parents
<< dendl
;
483 snaprealm
->srnode
= *next_snaprealm
;
484 delete next_snaprealm
;
486 // we should be able to open these up (or have them already be open).
487 bool ok
= snaprealm
->_open_parents(NULL
);
490 if (invalidate_cached_snaps
)
491 snaprealm
->invalidate_cached_snaps();
493 if (snaprealm
->parent
)
494 dout(10) << " realm " << *snaprealm
<< " parent " << *snaprealm
->parent
<< dendl
;
498 // ====== CInode =======
502 __u32
InodeStoreBase::hash_dentry_name(const string
&dn
)
504 int which
= inode
.dir_layout
.dl_dir_hash
;
506 which
= CEPH_STR_HASH_LINUX
;
507 assert(ceph_str_hash_valid(which
));
508 return ceph_str_hash(which
, dn
.data(), dn
.length());
511 frag_t
InodeStoreBase::pick_dirfrag(const string
& dn
)
513 if (dirfragtree
.empty())
514 return frag_t(); // avoid the string hash if we can.
516 __u32 h
= hash_dentry_name(dn
);
517 return dirfragtree
[h
];
520 bool CInode::get_dirfrags_under(frag_t fg
, list
<CDir
*>& ls
)
524 dirfragtree
.get_leaves_under(fg
, fglist
);
525 for (list
<frag_t
>::iterator p
= fglist
.begin(); p
!= fglist
.end(); ++p
)
526 if (dirfrags
.count(*p
))
527 ls
.push_back(dirfrags
[*p
]);
535 tmpdft
.force_to_leaf(g_ceph_context
, fg
);
536 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin(); p
!= dirfrags
.end(); ++p
) {
537 tmpdft
.force_to_leaf(g_ceph_context
, p
->first
);
538 if (fg
.contains(p
->first
) && !dirfragtree
.is_leaf(p
->first
))
539 ls
.push_back(p
->second
);
543 tmpdft
.get_leaves_under(fg
, fglist
);
544 for (list
<frag_t
>::iterator p
= fglist
.begin(); p
!= fglist
.end(); ++p
)
545 if (!dirfrags
.count(*p
)) {
553 void CInode::verify_dirfrags()
556 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin(); p
!= dirfrags
.end(); ++p
) {
557 if (!dirfragtree
.is_leaf(p
->first
)) {
558 dout(0) << "have open dirfrag " << p
->first
<< " but not leaf in " << dirfragtree
559 << ": " << *p
->second
<< dendl
;
566 void CInode::force_dirfrags()
569 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin(); p
!= dirfrags
.end(); ++p
) {
570 if (!dirfragtree
.is_leaf(p
->first
)) {
571 dout(0) << "have open dirfrag " << p
->first
<< " but not leaf in " << dirfragtree
572 << ": " << *p
->second
<< dendl
;
579 dirfragtree
.get_leaves(leaves
);
580 for (list
<frag_t
>::iterator p
= leaves
.begin(); p
!= leaves
.end(); ++p
)
581 mdcache
->get_force_dirfrag(dirfrag_t(ino(),*p
), true);
587 CDir
*CInode::get_approx_dirfrag(frag_t fg
)
589 CDir
*dir
= get_dirfrag(fg
);
594 get_dirfrags_under(fg
, ls
);
599 while (fg
.bits() > 0) {
601 dir
= get_dirfrag(fg
);
607 void CInode::get_dirfrags(list
<CDir
*>& ls
)
610 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
613 ls
.push_back(p
->second
);
615 void CInode::get_nested_dirfrags(list
<CDir
*>& ls
)
617 // dirfrags in same subtree
618 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
621 if (!p
->second
->is_subtree_root())
622 ls
.push_back(p
->second
);
624 void CInode::get_subtree_dirfrags(list
<CDir
*>& ls
)
626 // dirfrags that are roots of new subtrees
627 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
630 if (p
->second
->is_subtree_root())
631 ls
.push_back(p
->second
);
635 CDir
*CInode::get_or_open_dirfrag(MDCache
*mdcache
, frag_t fg
)
640 CDir
*dir
= get_dirfrag(fg
);
643 assert(is_auth() || mdcache
->mds
->is_any_replay());
644 dir
= new CDir(this, fg
, mdcache
, is_auth());
650 CDir
*CInode::add_dirfrag(CDir
*dir
)
652 assert(dirfrags
.count(dir
->dirfrag().frag
) == 0);
653 dirfrags
[dir
->dirfrag().frag
] = dir
;
655 if (stickydir_ref
> 0) {
656 dir
->state_set(CDir::STATE_STICKY
);
657 dir
->get(CDir::PIN_STICKY
);
665 void CInode::close_dirfrag(frag_t fg
)
667 dout(14) << "close_dirfrag " << fg
<< dendl
;
668 assert(dirfrags
.count(fg
));
670 CDir
*dir
= dirfrags
[fg
];
671 dir
->remove_null_dentries();
677 if (stickydir_ref
> 0) {
678 dir
->state_clear(CDir::STATE_STICKY
);
679 dir
->put(CDir::PIN_STICKY
);
682 // dump any remaining dentries, for debugging purposes
683 for (CDir::map_t::iterator p
= dir
->items
.begin();
684 p
!= dir
->items
.end();
686 dout(14) << "close_dirfrag LEFTOVER dn " << *p
->second
<< dendl
;
688 assert(dir
->get_num_ref() == 0);
693 void CInode::close_dirfrags()
695 while (!dirfrags
.empty())
696 close_dirfrag(dirfrags
.begin()->first
);
699 bool CInode::has_subtree_root_dirfrag(int auth
)
701 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
704 if (p
->second
->is_subtree_root() &&
705 (auth
== -1 || p
->second
->dir_auth
.first
== auth
))
710 bool CInode::has_subtree_or_exporting_dirfrag()
712 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
715 if (p
->second
->is_subtree_root() ||
716 p
->second
->state_test(CDir::STATE_EXPORTING
))
721 void CInode::get_stickydirs()
723 if (stickydir_ref
== 0) {
725 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
728 p
->second
->state_set(CDir::STATE_STICKY
);
729 p
->second
->get(CDir::PIN_STICKY
);
735 void CInode::put_stickydirs()
737 assert(stickydir_ref
> 0);
739 if (stickydir_ref
== 0) {
741 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
744 p
->second
->state_clear(CDir::STATE_STICKY
);
745 p
->second
->put(CDir::PIN_STICKY
);
756 void CInode::first_get()
760 parent
->get(CDentry::PIN_INODEPIN
);
763 void CInode::last_put()
767 parent
->put(CDentry::PIN_INODEPIN
);
772 if (get_num_ref() == (int)is_dirty() + (int)is_dirty_parent())
773 mdcache
->maybe_eval_stray(this, true);
776 void CInode::add_remote_parent(CDentry
*p
)
778 if (remote_parents
.empty())
779 get(PIN_REMOTEPARENT
);
780 remote_parents
.insert(p
);
782 void CInode::remove_remote_parent(CDentry
*p
)
784 remote_parents
.erase(p
);
785 if (remote_parents
.empty())
786 put(PIN_REMOTEPARENT
);
792 CDir
*CInode::get_parent_dir()
798 CDir
*CInode::get_projected_parent_dir()
800 CDentry
*p
= get_projected_parent_dn();
805 CInode
*CInode::get_parent_inode()
808 return parent
->dir
->inode
;
812 bool CInode::is_projected_ancestor_of(CInode
*other
)
817 if (!other
->get_projected_parent_dn())
819 other
= other
->get_projected_parent_dn()->get_dir()->get_inode();
825 * Because a non-directory inode may have multiple links, the use_parent
826 * argument allows selecting which parent to use for path construction. This
827 * argument is only meaningful for the final component (i.e. the first of the
828 * nested calls) because directories cannot have multiple hard links. If
829 * use_parent is NULL and projected is true, the primary parent's projected
830 * inode is used all the way up the path chain. Otherwise the primary parent
831 * stable inode is used.
833 void CInode::make_path_string(string
& s
, bool projected
, const CDentry
*use_parent
) const
836 use_parent
= projected
? get_projected_parent_dn() : parent
;
840 use_parent
->make_path_string(s
, projected
);
841 } else if (is_root()) {
843 } else if (is_mdsdir()) {
845 uint64_t eino(ino());
846 eino
-= MDS_INO_MDSDIR_OFFSET
;
847 snprintf(t
, sizeof(t
), "~mds%" PRId64
, eino
);
851 uint64_t eino(ino());
852 snprintf(n
, sizeof(n
), "#%" PRIx64
, eino
);
857 void CInode::make_path(filepath
& fp
, bool projected
) const
859 const CDentry
*use_parent
= projected
? get_projected_parent_dn() : parent
;
862 use_parent
->make_path(fp
, projected
);
864 fp
= filepath(ino());
868 void CInode::name_stray_dentry(string
& dname
)
871 snprintf(s
, sizeof(s
), "%llx", (unsigned long long)inode
.ino
.val
);
875 version_t
CInode::pre_dirty()
878 CDentry
* _cdentry
= get_projected_parent_dn();
880 pv
= _cdentry
->pre_dirty(get_projected_version());
881 dout(10) << "pre_dirty " << pv
<< " (current v " << inode
.version
<< ")" << dendl
;
884 pv
= get_projected_version() + 1;
886 // force update backtrace for old format inode (see inode_t::decode)
887 if (inode
.backtrace_version
== 0 && !projected_nodes
.empty()) {
888 inode_t
*pi
= projected_nodes
.back()->inode
;
889 if (pi
->backtrace_version
== 0)
890 pi
->update_backtrace(pv
);
895 void CInode::_mark_dirty(LogSegment
*ls
)
897 if (!state_test(STATE_DIRTY
)) {
898 state_set(STATE_DIRTY
);
903 // move myself to this segment's dirty list
905 ls
->dirty_inodes
.push_back(&item_dirty
);
908 void CInode::mark_dirty(version_t pv
, LogSegment
*ls
) {
910 dout(10) << "mark_dirty " << *this << dendl
;
913 NOTE: I may already be dirty, but this fn _still_ needs to be called so that
914 the directory is (perhaps newly) dirtied, and so that parent_dir_version is
918 // only auth can get dirty. "dirty" async data in replicas is relative to
919 // filelock state, not the dirty flag.
922 // touch my private version
923 assert(inode
.version
< pv
);
929 parent
->mark_dirty(pv
, ls
);
933 void CInode::mark_clean()
935 dout(10) << " mark_clean " << *this << dendl
;
936 if (state_test(STATE_DIRTY
)) {
937 state_clear(STATE_DIRTY
);
940 // remove myself from ls dirty list
941 item_dirty
.remove_myself();
948 // (currently for root inode only)
950 struct C_IO_Inode_Stored
: public CInodeIOContext
{
953 C_IO_Inode_Stored(CInode
*i
, version_t v
, Context
*f
) : CInodeIOContext(i
), version(v
), fin(f
) {}
954 void finish(int r
) override
{
955 in
->_stored(r
, version
, fin
);
959 object_t
InodeStoreBase::get_object_name(inodeno_t ino
, frag_t fg
, const char *suffix
)
962 snprintf(n
, sizeof(n
), "%llx.%08llx%s", (long long unsigned)ino
, (long long unsigned)fg
, suffix
? suffix
: "");
966 void CInode::store(MDSInternalContextBase
*fin
)
968 dout(10) << "store " << get_version() << dendl
;
972 purge_stale_snap_data(snaprealm
->get_snaps());
976 string magic
= CEPH_FS_ONDISK_MAGIC
;
978 encode_store(bl
, mdcache
->mds
->mdsmap
->get_up_features());
985 object_t oid
= CInode::get_object_name(ino(), frag_t(), ".inode");
986 object_locator_t
oloc(mdcache
->mds
->mdsmap
->get_metadata_pool());
989 new C_OnFinisher(new C_IO_Inode_Stored(this, get_version(), fin
),
990 mdcache
->mds
->finisher
);
991 mdcache
->mds
->objecter
->mutate(oid
, oloc
, m
, snapc
,
992 ceph::real_clock::now(), 0,
996 void CInode::_stored(int r
, version_t v
, Context
*fin
)
999 dout(1) << "store error " << r
<< " v " << v
<< " on " << *this << dendl
;
1000 mdcache
->mds
->clog
->error() << "failed to store ino " << ino() << " object,"
1002 mdcache
->mds
->handle_write_error(r
);
1007 dout(10) << "_stored " << v
<< " on " << *this << dendl
;
1008 if (v
== get_projected_version())
1014 void CInode::flush(MDSInternalContextBase
*fin
)
1016 dout(10) << "flush " << *this << dendl
;
1017 assert(is_auth() && can_auth_pin());
1019 MDSGatherBuilder
gather(g_ceph_context
);
1021 if (is_dirty_parent()) {
1022 store_backtrace(gather
.new_sub());
1026 store(gather
.new_sub());
1028 parent
->dir
->commit(0, gather
.new_sub());
1032 if (gather
.has_subs()) {
1033 gather
.set_finisher(fin
);
1040 struct C_IO_Inode_Fetched
: public CInodeIOContext
{
1043 C_IO_Inode_Fetched(CInode
*i
, Context
*f
) : CInodeIOContext(i
), fin(f
) {}
1044 void finish(int r
) override
{
1045 // Ignore 'r', because we fetch from two places, so r is usually ENOENT
1046 in
->_fetched(bl
, bl2
, fin
);
1050 void CInode::fetch(MDSInternalContextBase
*fin
)
1052 dout(10) << "fetch" << dendl
;
1054 C_IO_Inode_Fetched
*c
= new C_IO_Inode_Fetched(this, fin
);
1055 C_GatherBuilder
gather(g_ceph_context
, new C_OnFinisher(c
, mdcache
->mds
->finisher
));
1057 object_t oid
= CInode::get_object_name(ino(), frag_t(), "");
1058 object_locator_t
oloc(mdcache
->mds
->mdsmap
->get_metadata_pool());
1060 // Old on-disk format: inode stored in xattr of a dirfrag
1062 rd
.getxattr("inode", &c
->bl
, NULL
);
1063 mdcache
->mds
->objecter
->read(oid
, oloc
, rd
, CEPH_NOSNAP
, (bufferlist
*)NULL
, 0, gather
.new_sub());
1065 // Current on-disk format: inode stored in a .inode object
1066 object_t oid2
= CInode::get_object_name(ino(), frag_t(), ".inode");
1067 mdcache
->mds
->objecter
->read(oid2
, oloc
, 0, 0, CEPH_NOSNAP
, &c
->bl2
, 0, gather
.new_sub());
1072 void CInode::_fetched(bufferlist
& bl
, bufferlist
& bl2
, Context
*fin
)
1074 dout(10) << "_fetched got " << bl
.length() << " and " << bl2
.length() << dendl
;
1075 bufferlist::iterator p
;
1078 } else if (bl
.length()) {
1081 derr
<< "No data while reading inode 0x" << std::hex
<< ino()
1082 << std::dec
<< dendl
;
1083 fin
->complete(-ENOENT
);
1091 dout(10) << " magic is '" << magic
<< "' (expecting '"
1092 << CEPH_FS_ONDISK_MAGIC
<< "')" << dendl
;
1093 if (magic
!= CEPH_FS_ONDISK_MAGIC
) {
1094 dout(0) << "on disk magic '" << magic
<< "' != my magic '" << CEPH_FS_ONDISK_MAGIC
1096 fin
->complete(-EINVAL
);
1099 dout(10) << "_fetched " << *this << dendl
;
1102 } catch (buffer::error
&err
) {
1103 derr
<< "Corrupt inode 0x" << std::hex
<< ino() << std::dec
1104 << ": " << err
<< dendl
;
1105 fin
->complete(-EINVAL
);
1110 void CInode::build_backtrace(int64_t pool
, inode_backtrace_t
& bt
)
1113 bt
.ancestors
.clear();
1117 CDentry
*pdn
= get_parent_dn();
1119 CInode
*diri
= pdn
->get_dir()->get_inode();
1120 bt
.ancestors
.push_back(inode_backpointer_t(diri
->ino(), pdn
->name
, in
->inode
.version
));
1122 pdn
= in
->get_parent_dn();
1124 for (compact_set
<int64_t>::iterator i
= inode
.old_pools
.begin();
1125 i
!= inode
.old_pools
.end();
1127 // don't add our own pool id to old_pools to avoid looping (e.g. setlayout 0, 1, 0)
1129 bt
.old_pools
.insert(*i
);
1133 struct C_IO_Inode_StoredBacktrace
: public CInodeIOContext
{
1136 C_IO_Inode_StoredBacktrace(CInode
*i
, version_t v
, Context
*f
) : CInodeIOContext(i
), version(v
), fin(f
) {}
1137 void finish(int r
) override
{
1138 in
->_stored_backtrace(r
, version
, fin
);
1142 void CInode::store_backtrace(MDSInternalContextBase
*fin
, int op_prio
)
1144 dout(10) << "store_backtrace on " << *this << dendl
;
1145 assert(is_dirty_parent());
1148 op_prio
= CEPH_MSG_PRIO_DEFAULT
;
1152 const int64_t pool
= get_backtrace_pool();
1153 inode_backtrace_t bt
;
1154 build_backtrace(pool
, bt
);
1155 bufferlist parent_bl
;
1156 ::encode(bt
, parent_bl
);
1159 op
.priority
= op_prio
;
1161 op
.setxattr("parent", parent_bl
);
1163 bufferlist layout_bl
;
1164 ::encode(inode
.layout
, layout_bl
, mdcache
->mds
->mdsmap
->get_up_features());
1165 op
.setxattr("layout", layout_bl
);
1168 object_t oid
= get_object_name(ino(), frag_t(), "");
1169 object_locator_t
oloc(pool
);
1170 Context
*fin2
= new C_OnFinisher(
1171 new C_IO_Inode_StoredBacktrace(this, inode
.backtrace_version
, fin
),
1172 mdcache
->mds
->finisher
);
1174 if (!state_test(STATE_DIRTYPOOL
) || inode
.old_pools
.empty()) {
1175 dout(20) << __func__
<< ": no dirtypool or no old pools" << dendl
;
1176 mdcache
->mds
->objecter
->mutate(oid
, oloc
, op
, snapc
,
1177 ceph::real_clock::now(),
1182 C_GatherBuilder
gather(g_ceph_context
, fin2
);
1183 mdcache
->mds
->objecter
->mutate(oid
, oloc
, op
, snapc
,
1184 ceph::real_clock::now(),
1185 0, gather
.new_sub());
1187 // In the case where DIRTYPOOL is set, we update all old pools backtraces
1188 // such that anyone reading them will see the new pool ID in
1189 // inode_backtrace_t::pool and go read everything else from there.
1190 for (compact_set
<int64_t>::iterator p
= inode
.old_pools
.begin();
1191 p
!= inode
.old_pools
.end();
1196 dout(20) << __func__
<< ": updating old pool " << *p
<< dendl
;
1199 op
.priority
= op_prio
;
1201 op
.setxattr("parent", parent_bl
);
1203 object_locator_t
oloc(*p
);
1204 mdcache
->mds
->objecter
->mutate(oid
, oloc
, op
, snapc
,
1205 ceph::real_clock::now(),
1206 0, gather
.new_sub());
1211 void CInode::_stored_backtrace(int r
, version_t v
, Context
*fin
)
1214 const int64_t pool
= get_backtrace_pool();
1215 bool exists
= mdcache
->mds
->objecter
->with_osdmap(
1216 [pool
](const OSDMap
&osd_map
) {
1217 return osd_map
.have_pg_pool(pool
);
1220 // This ENOENT is because the pool doesn't exist (the user deleted it
1221 // out from under us), so the backtrace can never be written, so pretend
1222 // to succeed so that the user can proceed to e.g. delete the file.
1224 dout(4) << "store_backtrace got ENOENT: a data pool was deleted "
1225 "beneath us!" << dendl
;
1231 dout(1) << "store backtrace error " << r
<< " v " << v
<< dendl
;
1232 mdcache
->mds
->clog
->error() << "failed to store backtrace on ino "
1233 << ino() << " object"
1234 << ", pool " << get_backtrace_pool()
1236 mdcache
->mds
->handle_write_error(r
);
1242 dout(10) << "_stored_backtrace v " << v
<< dendl
;
1245 if (v
== inode
.backtrace_version
)
1246 clear_dirty_parent();
1251 void CInode::fetch_backtrace(Context
*fin
, bufferlist
*backtrace
)
1253 mdcache
->fetch_backtrace(inode
.ino
, get_backtrace_pool(), *backtrace
, fin
);
1256 void CInode::_mark_dirty_parent(LogSegment
*ls
, bool dirty_pool
)
1258 if (!state_test(STATE_DIRTYPARENT
)) {
1259 dout(10) << "mark_dirty_parent" << dendl
;
1260 state_set(STATE_DIRTYPARENT
);
1261 get(PIN_DIRTYPARENT
);
1265 state_set(STATE_DIRTYPOOL
);
1267 ls
->dirty_parent_inodes
.push_back(&item_dirty_parent
);
1270 void CInode::clear_dirty_parent()
1272 if (state_test(STATE_DIRTYPARENT
)) {
1273 dout(10) << "clear_dirty_parent" << dendl
;
1274 state_clear(STATE_DIRTYPARENT
);
1275 state_clear(STATE_DIRTYPOOL
);
1276 put(PIN_DIRTYPARENT
);
1277 item_dirty_parent
.remove_myself();
1281 void CInode::verify_diri_backtrace(bufferlist
&bl
, int err
)
1283 if (is_base() || is_dirty_parent() || !is_auth())
1286 dout(10) << "verify_diri_backtrace" << dendl
;
1289 inode_backtrace_t backtrace
;
1290 ::decode(backtrace
, bl
);
1291 CDentry
*pdn
= get_parent_dn();
1292 if (backtrace
.ancestors
.empty() ||
1293 backtrace
.ancestors
[0].dname
!= pdn
->name
||
1294 backtrace
.ancestors
[0].dirino
!= pdn
->get_dir()->ino())
1299 MDSRank
*mds
= mdcache
->mds
;
1300 mds
->clog
->error() << "bad backtrace on dir ino " << ino();
1301 assert(!"bad backtrace" == (g_conf
->mds_verify_backtrace
> 1));
1303 _mark_dirty_parent(mds
->mdlog
->get_current_segment(), false);
1304 mds
->mdlog
->flush();
1308 // ------------------
1312 void InodeStoreBase::encode_bare(bufferlist
&bl
, uint64_t features
,
1313 const bufferlist
*snap_blob
) const
1315 ::encode(inode
, bl
, features
);
1317 ::encode(symlink
, bl
);
1318 ::encode(dirfragtree
, bl
);
1319 ::encode(xattrs
, bl
);
1321 ::encode(*snap_blob
, bl
);
1323 ::encode(bufferlist(), bl
);
1324 ::encode(old_inodes
, bl
, features
);
1325 ::encode(oldest_snap
, bl
);
1326 ::encode(damage_flags
, bl
);
1329 void InodeStoreBase::encode(bufferlist
&bl
, uint64_t features
,
1330 const bufferlist
*snap_blob
) const
1332 ENCODE_START(6, 4, bl
);
1333 encode_bare(bl
, features
, snap_blob
);
1337 void CInode::encode_store(bufferlist
& bl
, uint64_t features
)
1339 bufferlist snap_blob
;
1340 encode_snap_blob(snap_blob
);
1341 InodeStoreBase::encode(bl
, mdcache
->mds
->mdsmap
->get_up_features(),
1345 void InodeStoreBase::decode_bare(bufferlist::iterator
&bl
,
1346 bufferlist
& snap_blob
, __u8 struct_v
)
1348 ::decode(inode
, bl
);
1350 ::decode(symlink
, bl
);
1351 ::decode(dirfragtree
, bl
);
1352 ::decode(xattrs
, bl
);
1353 ::decode(snap_blob
, bl
);
1355 ::decode(old_inodes
, bl
);
1356 if (struct_v
== 2 && inode
.is_dir()) {
1357 bool default_layout_exists
;
1358 ::decode(default_layout_exists
, bl
);
1359 if (default_layout_exists
) {
1360 ::decode(struct_v
, bl
); // this was a default_file_layout
1361 ::decode(inode
.layout
, bl
); // but we only care about the layout portion
1365 if (struct_v
>= 5) {
1366 // InodeStore is embedded in dentries without proper versioning, so
1367 // we consume up to the end of the buffer
1369 ::decode(oldest_snap
, bl
);
1373 ::decode(damage_flags
, bl
);
1379 void InodeStoreBase::decode(bufferlist::iterator
&bl
, bufferlist
& snap_blob
)
1381 DECODE_START_LEGACY_COMPAT_LEN(5, 4, 4, bl
);
1382 decode_bare(bl
, snap_blob
, struct_v
);
1386 void CInode::decode_store(bufferlist::iterator
& bl
)
1388 bufferlist snap_blob
;
1389 InodeStoreBase::decode(bl
, snap_blob
);
1390 decode_snap_blob(snap_blob
);
1393 // ------------------
1396 void CInode::set_object_info(MDSCacheObjectInfo
&info
)
1402 void CInode::encode_lock_state(int type
, bufferlist
& bl
)
1404 ::encode(first
, bl
);
1407 case CEPH_LOCK_IAUTH
:
1408 ::encode(inode
.version
, bl
);
1409 ::encode(inode
.ctime
, bl
);
1410 ::encode(inode
.mode
, bl
);
1411 ::encode(inode
.uid
, bl
);
1412 ::encode(inode
.gid
, bl
);
1415 case CEPH_LOCK_ILINK
:
1416 ::encode(inode
.version
, bl
);
1417 ::encode(inode
.ctime
, bl
);
1418 ::encode(inode
.nlink
, bl
);
1421 case CEPH_LOCK_IDFT
:
1423 ::encode(inode
.version
, bl
);
1425 // treat flushing as dirty when rejoining cache
1426 bool dirty
= dirfragtreelock
.is_dirty_or_flushing();
1427 ::encode(dirty
, bl
);
1430 // encode the raw tree
1431 ::encode(dirfragtree
, bl
);
1433 // also specify which frags are mine
1434 set
<frag_t
> myfrags
;
1437 for (list
<CDir
*>::iterator p
= dfls
.begin(); p
!= dfls
.end(); ++p
)
1438 if ((*p
)->is_auth()) {
1439 frag_t fg
= (*p
)->get_frag();
1442 ::encode(myfrags
, bl
);
1446 case CEPH_LOCK_IFILE
:
1448 ::encode(inode
.version
, bl
);
1449 ::encode(inode
.ctime
, bl
);
1450 ::encode(inode
.mtime
, bl
);
1451 ::encode(inode
.atime
, bl
);
1452 ::encode(inode
.time_warp_seq
, bl
);
1454 ::encode(inode
.layout
, bl
, mdcache
->mds
->mdsmap
->get_up_features());
1455 ::encode(inode
.size
, bl
);
1456 ::encode(inode
.truncate_seq
, bl
);
1457 ::encode(inode
.truncate_size
, bl
);
1458 ::encode(inode
.client_ranges
, bl
);
1459 ::encode(inode
.inline_data
, bl
);
1462 // treat flushing as dirty when rejoining cache
1463 bool dirty
= filelock
.is_dirty_or_flushing();
1464 ::encode(dirty
, bl
);
1468 dout(15) << "encode_lock_state inode.dirstat is " << inode
.dirstat
<< dendl
;
1469 ::encode(inode
.dirstat
, bl
); // only meaningful if i am auth.
1472 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1473 p
!= dirfrags
.end();
1475 frag_t fg
= p
->first
;
1476 CDir
*dir
= p
->second
;
1477 if (is_auth() || dir
->is_auth()) {
1478 fnode_t
*pf
= dir
->get_projected_fnode();
1479 dout(15) << fg
<< " " << *dir
<< dendl
;
1480 dout(20) << fg
<< " fragstat " << pf
->fragstat
<< dendl
;
1481 dout(20) << fg
<< " accounted_fragstat " << pf
->accounted_fragstat
<< dendl
;
1483 ::encode(dir
->first
, tmp
);
1484 ::encode(pf
->fragstat
, tmp
);
1485 ::encode(pf
->accounted_fragstat
, tmp
);
1490 bl
.claim_append(tmp
);
1494 case CEPH_LOCK_INEST
:
1496 ::encode(inode
.version
, bl
);
1498 // treat flushing as dirty when rejoining cache
1499 bool dirty
= nestlock
.is_dirty_or_flushing();
1500 ::encode(dirty
, bl
);
1503 dout(15) << "encode_lock_state inode.rstat is " << inode
.rstat
<< dendl
;
1504 ::encode(inode
.rstat
, bl
); // only meaningful if i am auth.
1507 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1508 p
!= dirfrags
.end();
1510 frag_t fg
= p
->first
;
1511 CDir
*dir
= p
->second
;
1512 if (is_auth() || dir
->is_auth()) {
1513 fnode_t
*pf
= dir
->get_projected_fnode();
1514 dout(10) << fg
<< " " << *dir
<< dendl
;
1515 dout(10) << fg
<< " " << pf
->rstat
<< dendl
;
1516 dout(10) << fg
<< " " << pf
->rstat
<< dendl
;
1517 dout(10) << fg
<< " " << dir
->dirty_old_rstat
<< dendl
;
1519 ::encode(dir
->first
, tmp
);
1520 ::encode(pf
->rstat
, tmp
);
1521 ::encode(pf
->accounted_rstat
, tmp
);
1522 ::encode(dir
->dirty_old_rstat
, tmp
);
1527 bl
.claim_append(tmp
);
1531 case CEPH_LOCK_IXATTR
:
1532 ::encode(inode
.version
, bl
);
1533 ::encode(inode
.ctime
, bl
);
1534 ::encode(xattrs
, bl
);
1537 case CEPH_LOCK_ISNAP
:
1538 ::encode(inode
.version
, bl
);
1539 ::encode(inode
.ctime
, bl
);
1543 case CEPH_LOCK_IFLOCK
:
1544 ::encode(inode
.version
, bl
);
1545 _encode_file_locks(bl
);
1548 case CEPH_LOCK_IPOLICY
:
1549 if (inode
.is_dir()) {
1550 ::encode(inode
.version
, bl
);
1551 ::encode(inode
.ctime
, bl
);
1552 ::encode(inode
.layout
, bl
, mdcache
->mds
->mdsmap
->get_up_features());
1553 ::encode(inode
.quota
, bl
);
1554 ::encode(inode
.export_pin
, bl
);
1564 /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */
1566 void CInode::decode_lock_state(int type
, bufferlist
& bl
)
1568 bufferlist::iterator p
= bl
.begin();
1572 ::decode(newfirst
, p
);
1574 if (!is_auth() && newfirst
!= first
) {
1575 dout(10) << "decode_lock_state first " << first
<< " -> " << newfirst
<< dendl
;
1576 assert(newfirst
> first
);
1577 if (!is_multiversion() && parent
) {
1578 assert(parent
->first
== first
);
1579 parent
->first
= newfirst
;
1585 case CEPH_LOCK_IAUTH
:
1586 ::decode(inode
.version
, p
);
1588 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1589 ::decode(inode
.mode
, p
);
1590 ::decode(inode
.uid
, p
);
1591 ::decode(inode
.gid
, p
);
1594 case CEPH_LOCK_ILINK
:
1595 ::decode(inode
.version
, p
);
1597 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1598 ::decode(inode
.nlink
, p
);
1601 case CEPH_LOCK_IDFT
:
1604 ::decode(replica_dirty
, p
);
1605 if (replica_dirty
) {
1606 dout(10) << "decode_lock_state setting dftlock dirty flag" << dendl
;
1607 dirfragtreelock
.mark_dirty(); // ok bc we're auth and caller will handle
1610 ::decode(inode
.version
, p
);
1615 set
<frag_t
> authfrags
;
1616 ::decode(authfrags
, p
);
1618 // auth. believe replica's auth frags only.
1619 for (set
<frag_t
>::iterator p
= authfrags
.begin(); p
!= authfrags
.end(); ++p
)
1620 if (!dirfragtree
.is_leaf(*p
)) {
1621 dout(10) << " forcing frag " << *p
<< " to leaf (split|merge)" << dendl
;
1622 dirfragtree
.force_to_leaf(g_ceph_context
, *p
);
1623 dirfragtreelock
.mark_dirty(); // ok bc we're auth and caller will handle
1626 // replica. take the new tree, BUT make sure any open
1627 // dirfrags remain leaves (they may have split _after_ this
1628 // dft was scattered, or we may still be be waiting on the
1629 // notify from the auth)
1630 dirfragtree
.swap(temp
);
1631 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1632 p
!= dirfrags
.end();
1634 if (!dirfragtree
.is_leaf(p
->first
)) {
1635 dout(10) << " forcing open dirfrag " << p
->first
<< " to leaf (racing with split|merge)" << dendl
;
1636 dirfragtree
.force_to_leaf(g_ceph_context
, p
->first
);
1638 if (p
->second
->is_auth())
1639 p
->second
->state_clear(CDir::STATE_DIRTYDFT
);
1642 if (g_conf
->mds_debug_frag
)
1647 case CEPH_LOCK_IFILE
:
1649 ::decode(inode
.version
, p
);
1651 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1652 ::decode(inode
.mtime
, p
);
1653 ::decode(inode
.atime
, p
);
1654 ::decode(inode
.time_warp_seq
, p
);
1656 ::decode(inode
.layout
, p
);
1657 ::decode(inode
.size
, p
);
1658 ::decode(inode
.truncate_seq
, p
);
1659 ::decode(inode
.truncate_size
, p
);
1660 ::decode(inode
.client_ranges
, p
);
1661 ::decode(inode
.inline_data
, p
);
1665 ::decode(replica_dirty
, p
);
1666 if (replica_dirty
) {
1667 dout(10) << "decode_lock_state setting filelock dirty flag" << dendl
;
1668 filelock
.mark_dirty(); // ok bc we're auth and caller will handle
1672 frag_info_t dirstat
;
1673 ::decode(dirstat
, p
);
1675 dout(10) << " taking inode dirstat " << dirstat
<< " for " << *this << dendl
;
1676 inode
.dirstat
= dirstat
; // take inode summation if replica
1680 dout(10) << " ...got " << n
<< " fragstats on " << *this << dendl
;
1684 frag_info_t fragstat
;
1685 frag_info_t accounted_fragstat
;
1687 ::decode(fgfirst
, p
);
1688 ::decode(fragstat
, p
);
1689 ::decode(accounted_fragstat
, p
);
1690 dout(10) << fg
<< " [" << fgfirst
<< ",head] " << dendl
;
1691 dout(10) << fg
<< " fragstat " << fragstat
<< dendl
;
1692 dout(20) << fg
<< " accounted_fragstat " << accounted_fragstat
<< dendl
;
1694 CDir
*dir
= get_dirfrag(fg
);
1696 assert(dir
); // i am auth; i had better have this dir open
1697 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1698 << " on " << *dir
<< dendl
;
1699 dir
->first
= fgfirst
;
1700 dir
->fnode
.fragstat
= fragstat
;
1701 dir
->fnode
.accounted_fragstat
= accounted_fragstat
;
1702 dir
->first
= fgfirst
;
1703 if (!(fragstat
== accounted_fragstat
)) {
1704 dout(10) << fg
<< " setting filelock updated flag" << dendl
;
1705 filelock
.mark_dirty(); // ok bc we're auth and caller will handle
1708 if (dir
&& dir
->is_auth()) {
1709 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1710 << " on " << *dir
<< dendl
;
1711 dir
->first
= fgfirst
;
1712 fnode_t
*pf
= dir
->get_projected_fnode();
1713 finish_scatter_update(&filelock
, dir
,
1714 inode
.dirstat
.version
, pf
->accounted_fragstat
.version
);
1721 case CEPH_LOCK_INEST
:
1724 ::decode(replica_dirty
, p
);
1725 if (replica_dirty
) {
1726 dout(10) << "decode_lock_state setting nestlock dirty flag" << dendl
;
1727 nestlock
.mark_dirty(); // ok bc we're auth and caller will handle
1730 ::decode(inode
.version
, p
);
1736 dout(10) << " taking inode rstat " << rstat
<< " for " << *this << dendl
;
1737 inode
.rstat
= rstat
; // take inode summation if replica
1745 nest_info_t accounted_rstat
;
1746 compact_map
<snapid_t
,old_rstat_t
> dirty_old_rstat
;
1748 ::decode(fgfirst
, p
);
1750 ::decode(accounted_rstat
, p
);
1751 ::decode(dirty_old_rstat
, p
);
1752 dout(10) << fg
<< " [" << fgfirst
<< ",head]" << dendl
;
1753 dout(10) << fg
<< " rstat " << rstat
<< dendl
;
1754 dout(10) << fg
<< " accounted_rstat " << accounted_rstat
<< dendl
;
1755 dout(10) << fg
<< " dirty_old_rstat " << dirty_old_rstat
<< dendl
;
1757 CDir
*dir
= get_dirfrag(fg
);
1759 assert(dir
); // i am auth; i had better have this dir open
1760 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1761 << " on " << *dir
<< dendl
;
1762 dir
->first
= fgfirst
;
1763 dir
->fnode
.rstat
= rstat
;
1764 dir
->fnode
.accounted_rstat
= accounted_rstat
;
1765 dir
->dirty_old_rstat
.swap(dirty_old_rstat
);
1766 if (!(rstat
== accounted_rstat
) || !dir
->dirty_old_rstat
.empty()) {
1767 dout(10) << fg
<< " setting nestlock updated flag" << dendl
;
1768 nestlock
.mark_dirty(); // ok bc we're auth and caller will handle
1771 if (dir
&& dir
->is_auth()) {
1772 dout(10) << fg
<< " first " << dir
->first
<< " -> " << fgfirst
1773 << " on " << *dir
<< dendl
;
1774 dir
->first
= fgfirst
;
1775 fnode_t
*pf
= dir
->get_projected_fnode();
1776 finish_scatter_update(&nestlock
, dir
,
1777 inode
.rstat
.version
, pf
->accounted_rstat
.version
);
1784 case CEPH_LOCK_IXATTR
:
1785 ::decode(inode
.version
, p
);
1787 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1788 ::decode(xattrs
, p
);
1791 case CEPH_LOCK_ISNAP
:
1793 ::decode(inode
.version
, p
);
1795 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1798 seq
= snaprealm
->srnode
.seq
;
1800 if (snaprealm
&& snaprealm
->srnode
.seq
!= seq
)
1801 mdcache
->do_realm_invalidate_and_update_notify(this, seq
? CEPH_SNAP_OP_UPDATE
:CEPH_SNAP_OP_SPLIT
);
1805 case CEPH_LOCK_IFLOCK
:
1806 ::decode(inode
.version
, p
);
1807 _decode_file_locks(p
);
1810 case CEPH_LOCK_IPOLICY
:
1811 if (inode
.is_dir()) {
1812 ::decode(inode
.version
, p
);
1814 if (inode
.ctime
< tm
) inode
.ctime
= tm
;
1815 ::decode(inode
.layout
, p
);
1816 ::decode(inode
.quota
, p
);
1817 mds_rank_t old_pin
= inode
.export_pin
;
1818 ::decode(inode
.export_pin
, p
);
1819 maybe_export_pin(old_pin
!= inode
.export_pin
);
1829 bool CInode::is_dirty_scattered()
1832 filelock
.is_dirty_or_flushing() ||
1833 nestlock
.is_dirty_or_flushing() ||
1834 dirfragtreelock
.is_dirty_or_flushing();
1837 void CInode::clear_scatter_dirty()
1839 filelock
.remove_dirty();
1840 nestlock
.remove_dirty();
1841 dirfragtreelock
.remove_dirty();
1844 void CInode::clear_dirty_scattered(int type
)
1846 dout(10) << "clear_dirty_scattered " << type
<< " on " << *this << dendl
;
1848 case CEPH_LOCK_IFILE
:
1849 item_dirty_dirfrag_dir
.remove_myself();
1852 case CEPH_LOCK_INEST
:
1853 item_dirty_dirfrag_nest
.remove_myself();
1856 case CEPH_LOCK_IDFT
:
1857 item_dirty_dirfrag_dirfragtree
.remove_myself();
1867 * when we initially scatter a lock, we need to check if any of the dirfrags
1868 * have out of date accounted_rstat/fragstat. if so, mark the lock stale.
1870 /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */
1871 void CInode::start_scatter(ScatterLock
*lock
)
1873 dout(10) << "start_scatter " << *lock
<< " on " << *this << dendl
;
1875 inode_t
*pi
= get_projected_inode();
1877 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
1878 p
!= dirfrags
.end();
1880 frag_t fg
= p
->first
;
1881 CDir
*dir
= p
->second
;
1882 fnode_t
*pf
= dir
->get_projected_fnode();
1883 dout(20) << fg
<< " " << *dir
<< dendl
;
1885 if (!dir
->is_auth())
1888 switch (lock
->get_type()) {
1889 case CEPH_LOCK_IFILE
:
1890 finish_scatter_update(lock
, dir
, pi
->dirstat
.version
, pf
->accounted_fragstat
.version
);
1893 case CEPH_LOCK_INEST
:
1894 finish_scatter_update(lock
, dir
, pi
->rstat
.version
, pf
->accounted_rstat
.version
);
1897 case CEPH_LOCK_IDFT
:
1898 dir
->state_clear(CDir::STATE_DIRTYDFT
);
1905 class C_Inode_FragUpdate
: public MDSLogContextBase
{
1910 MDSRank
*get_mds() override
{return in
->mdcache
->mds
;}
1911 void finish(int r
) override
{
1912 in
->_finish_frag_update(dir
, mut
);
1916 C_Inode_FragUpdate(CInode
*i
, CDir
*d
, MutationRef
& m
) : in(i
), dir(d
), mut(m
) {}
1919 void CInode::finish_scatter_update(ScatterLock
*lock
, CDir
*dir
,
1920 version_t inode_version
, version_t dir_accounted_version
)
1922 frag_t fg
= dir
->get_frag();
1923 assert(dir
->is_auth());
1925 if (dir
->is_frozen()) {
1926 dout(10) << "finish_scatter_update " << fg
<< " frozen, marking " << *lock
<< " stale " << *dir
<< dendl
;
1927 } else if (dir
->get_version() == 0) {
1928 dout(10) << "finish_scatter_update " << fg
<< " not loaded, marking " << *lock
<< " stale " << *dir
<< dendl
;
1930 if (dir_accounted_version
!= inode_version
) {
1931 dout(10) << "finish_scatter_update " << fg
<< " journaling accounted scatterstat update v" << inode_version
<< dendl
;
1933 MDLog
*mdlog
= mdcache
->mds
->mdlog
;
1934 MutationRef
mut(new MutationImpl());
1935 mut
->ls
= mdlog
->get_current_segment();
1937 inode_t
*pi
= get_projected_inode();
1938 fnode_t
*pf
= dir
->project_fnode();
1939 pf
->version
= dir
->pre_dirty();
1941 const char *ename
= 0;
1942 switch (lock
->get_type()) {
1943 case CEPH_LOCK_IFILE
:
1944 pf
->fragstat
.version
= pi
->dirstat
.version
;
1945 pf
->accounted_fragstat
= pf
->fragstat
;
1946 ename
= "lock ifile accounted scatter stat update";
1948 case CEPH_LOCK_INEST
:
1949 pf
->rstat
.version
= pi
->rstat
.version
;
1950 pf
->accounted_rstat
= pf
->rstat
;
1951 ename
= "lock inest accounted scatter stat update";
1957 mut
->add_projected_fnode(dir
);
1959 EUpdate
*le
= new EUpdate(mdlog
, ename
);
1960 mdlog
->start_entry(le
);
1961 le
->metablob
.add_dir_context(dir
);
1962 le
->metablob
.add_dir(dir
, true);
1964 assert(!dir
->is_frozen());
1967 mdlog
->submit_entry(le
, new C_Inode_FragUpdate(this, dir
, mut
));
1969 dout(10) << "finish_scatter_update " << fg
<< " accounted " << *lock
1970 << " scatter stat unchanged at v" << dir_accounted_version
<< dendl
;
1975 void CInode::_finish_frag_update(CDir
*dir
, MutationRef
& mut
)
1977 dout(10) << "_finish_frag_update on " << *dir
<< dendl
;
1984 * when we gather a lock, we need to assimilate dirfrag changes into the inode
1985 * state. it's possible we can't update the dirfrag accounted_rstat/fragstat
1986 * because the frag is auth and frozen, or that the replica couldn't for the same
1987 * reason. hopefully it will get updated the next time the lock cycles.
1989 * we have two dimensions of behavior:
1990 * - we may be (auth and !frozen), and able to update, or not.
1991 * - the frag may be stale, or not.
1993 * if the frag is non-stale, we want to assimilate the diff into the
1994 * inode, regardless of whether it's auth or updateable.
1996 * if we update the frag, we want to set accounted_fragstat = frag,
1997 * both if we took the diff or it was stale and we are making it
2000 /* for more info on scatterlocks, see comments by Locker::scatter_writebehind */
2001 void CInode::finish_scatter_gather_update(int type
)
2003 LogChannelRef clog
= mdcache
->mds
->clog
;
2005 dout(10) << "finish_scatter_gather_update " << type
<< " on " << *this << dendl
;
2009 case CEPH_LOCK_IFILE
:
2011 fragtree_t tmpdft
= dirfragtree
;
2012 struct frag_info_t dirstat
;
2013 bool dirstat_valid
= true;
2017 inode_t
*pi
= get_projected_inode();
2019 bool touched_mtime
= false, touched_chattr
= false;
2020 dout(20) << " orig dirstat " << pi
->dirstat
<< dendl
;
2021 pi
->dirstat
.version
++;
2022 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2023 p
!= dirfrags
.end();
2025 frag_t fg
= p
->first
;
2026 CDir
*dir
= p
->second
;
2027 dout(20) << fg
<< " " << *dir
<< dendl
;
2030 if (dir
->get_version() != 0) {
2031 update
= dir
->is_auth() && !dir
->is_frozen();
2034 dirstat_valid
= false;
2037 fnode_t
*pf
= dir
->get_projected_fnode();
2039 pf
= dir
->project_fnode();
2041 if (pf
->accounted_fragstat
.version
== pi
->dirstat
.version
- 1) {
2042 dout(20) << fg
<< " fragstat " << pf
->fragstat
<< dendl
;
2043 dout(20) << fg
<< " accounted_fragstat " << pf
->accounted_fragstat
<< dendl
;
2044 pi
->dirstat
.add_delta(pf
->fragstat
, pf
->accounted_fragstat
, &touched_mtime
, &touched_chattr
);
2046 dout(20) << fg
<< " skipping STALE accounted_fragstat " << pf
->accounted_fragstat
<< dendl
;
2049 if (pf
->fragstat
.nfiles
< 0 ||
2050 pf
->fragstat
.nsubdirs
< 0) {
2051 clog
->error() << "bad/negative dir size on "
2052 << dir
->dirfrag() << " " << pf
->fragstat
;
2053 assert(!"bad/negative fragstat" == g_conf
->mds_verify_scatter
);
2055 if (pf
->fragstat
.nfiles
< 0)
2056 pf
->fragstat
.nfiles
= 0;
2057 if (pf
->fragstat
.nsubdirs
< 0)
2058 pf
->fragstat
.nsubdirs
= 0;
2062 pf
->accounted_fragstat
= pf
->fragstat
;
2063 pf
->fragstat
.version
= pf
->accounted_fragstat
.version
= pi
->dirstat
.version
;
2064 dout(10) << fg
<< " updated accounted_fragstat " << pf
->fragstat
<< " on " << *dir
<< dendl
;
2067 tmpdft
.force_to_leaf(g_ceph_context
, fg
);
2068 dirstat
.add(pf
->fragstat
);
2071 pi
->mtime
= pi
->ctime
= pi
->dirstat
.mtime
;
2073 pi
->change_attr
= pi
->dirstat
.change_attr
;
2074 dout(20) << " final dirstat " << pi
->dirstat
<< dendl
;
2076 if (dirstat_valid
&& !dirstat
.same_sums(pi
->dirstat
)) {
2078 tmpdft
.get_leaves_under(frag_t(), ls
);
2079 for (list
<frag_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
)
2080 if (!dirfrags
.count(*p
)) {
2081 dirstat_valid
= false;
2084 if (dirstat_valid
) {
2085 if (state_test(CInode::STATE_REPAIRSTATS
)) {
2086 dout(20) << " dirstat mismatch, fixing" << dendl
;
2088 clog
->error() << "unmatched fragstat on " << ino() << ", inode has "
2089 << pi
->dirstat
<< ", dirfrags have " << dirstat
;
2090 assert(!"unmatched fragstat" == g_conf
->mds_verify_scatter
);
2092 // trust the dirfrags for now
2093 version_t v
= pi
->dirstat
.version
;
2094 if (pi
->dirstat
.mtime
> dirstat
.mtime
)
2095 dirstat
.mtime
= pi
->dirstat
.mtime
;
2096 if (pi
->dirstat
.change_attr
> dirstat
.change_attr
)
2097 dirstat
.change_attr
= pi
->dirstat
.change_attr
;
2098 pi
->dirstat
= dirstat
;
2099 pi
->dirstat
.version
= v
;
2103 if (pi
->dirstat
.nfiles
< 0 ||
2104 pi
->dirstat
.nsubdirs
< 0) {
2105 clog
->error() << "bad/negative fragstat on " << ino()
2106 << ", inode has " << pi
->dirstat
;
2107 assert(!"bad/negative fragstat" == g_conf
->mds_verify_scatter
);
2109 if (pi
->dirstat
.nfiles
< 0)
2110 pi
->dirstat
.nfiles
= 0;
2111 if (pi
->dirstat
.nsubdirs
< 0)
2112 pi
->dirstat
.nsubdirs
= 0;
2117 case CEPH_LOCK_INEST
:
2119 fragtree_t tmpdft
= dirfragtree
;
2122 bool rstat_valid
= true;
2126 inode_t
*pi
= get_projected_inode();
2127 dout(20) << " orig rstat " << pi
->rstat
<< dendl
;
2128 pi
->rstat
.version
++;
2129 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2130 p
!= dirfrags
.end();
2132 frag_t fg
= p
->first
;
2133 CDir
*dir
= p
->second
;
2134 dout(20) << fg
<< " " << *dir
<< dendl
;
2137 if (dir
->get_version() != 0) {
2138 update
= dir
->is_auth() && !dir
->is_frozen();
2141 rstat_valid
= false;
2144 fnode_t
*pf
= dir
->get_projected_fnode();
2146 pf
= dir
->project_fnode();
2148 if (pf
->accounted_rstat
.version
== pi
->rstat
.version
-1) {
2149 // only pull this frag's dirty rstat inodes into the frag if
2150 // the frag is non-stale and updateable. if it's stale,
2151 // that info will just get thrown out!
2153 dir
->assimilate_dirty_rstat_inodes();
2155 dout(20) << fg
<< " rstat " << pf
->rstat
<< dendl
;
2156 dout(20) << fg
<< " accounted_rstat " << pf
->accounted_rstat
<< dendl
;
2157 dout(20) << fg
<< " dirty_old_rstat " << dir
->dirty_old_rstat
<< dendl
;
2158 mdcache
->project_rstat_frag_to_inode(pf
->rstat
, pf
->accounted_rstat
,
2159 dir
->first
, CEPH_NOSNAP
, this, true);
2160 for (compact_map
<snapid_t
,old_rstat_t
>::iterator q
= dir
->dirty_old_rstat
.begin();
2161 q
!= dir
->dirty_old_rstat
.end();
2163 mdcache
->project_rstat_frag_to_inode(q
->second
.rstat
, q
->second
.accounted_rstat
,
2164 q
->second
.first
, q
->first
, this, true);
2165 if (update
) // dir contents not valid if frozen or non-auth
2166 dir
->check_rstats();
2168 dout(20) << fg
<< " skipping STALE accounted_rstat " << pf
->accounted_rstat
<< dendl
;
2171 pf
->accounted_rstat
= pf
->rstat
;
2172 dir
->dirty_old_rstat
.clear();
2173 pf
->rstat
.version
= pf
->accounted_rstat
.version
= pi
->rstat
.version
;
2174 dir
->check_rstats();
2175 dout(10) << fg
<< " updated accounted_rstat " << pf
->rstat
<< " on " << *dir
<< dendl
;
2178 tmpdft
.force_to_leaf(g_ceph_context
, fg
);
2179 rstat
.add(pf
->rstat
);
2181 dout(20) << " final rstat " << pi
->rstat
<< dendl
;
2183 if (rstat_valid
&& !rstat
.same_sums(pi
->rstat
)) {
2185 tmpdft
.get_leaves_under(frag_t(), ls
);
2186 for (list
<frag_t
>::iterator p
= ls
.begin(); p
!= ls
.end(); ++p
)
2187 if (!dirfrags
.count(*p
)) {
2188 rstat_valid
= false;
2192 if (state_test(CInode::STATE_REPAIRSTATS
)) {
2193 dout(20) << " rstat mismatch, fixing" << dendl
;
2195 clog
->error() << "unmatched rstat on " << ino() << ", inode has "
2196 << pi
->rstat
<< ", dirfrags have " << rstat
;
2197 assert(!"unmatched rstat" == g_conf
->mds_verify_scatter
);
2199 // trust the dirfrag for now
2200 version_t v
= pi
->rstat
.version
;
2201 if (pi
->rstat
.rctime
> rstat
.rctime
)
2202 rstat
.rctime
= pi
->rstat
.rctime
;
2204 pi
->rstat
.version
= v
;
2208 mdcache
->broadcast_quota_to_client(this);
2212 case CEPH_LOCK_IDFT
:
2220 void CInode::finish_scatter_gather_update_accounted(int type
, MutationRef
& mut
, EMetaBlob
*metablob
)
2222 dout(10) << "finish_scatter_gather_update_accounted " << type
<< " on " << *this << dendl
;
2225 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2226 p
!= dirfrags
.end();
2228 CDir
*dir
= p
->second
;
2229 if (!dir
->is_auth() || dir
->get_version() == 0 || dir
->is_frozen())
2232 if (type
== CEPH_LOCK_IDFT
)
2233 continue; // nothing to do.
2235 dout(10) << " journaling updated frag accounted_ on " << *dir
<< dendl
;
2236 assert(dir
->is_projected());
2237 fnode_t
*pf
= dir
->get_projected_fnode();
2238 pf
->version
= dir
->pre_dirty();
2239 mut
->add_projected_fnode(dir
);
2240 metablob
->add_dir(dir
, true);
2243 if (type
== CEPH_LOCK_INEST
)
2244 dir
->assimilate_dirty_rstat_inodes_finish(mut
, metablob
);
2250 bool CInode::is_frozen() const
2252 if (is_frozen_inode()) return true;
2253 if (parent
&& parent
->dir
->is_frozen()) return true;
2257 bool CInode::is_frozen_dir() const
2259 if (parent
&& parent
->dir
->is_frozen_dir()) return true;
2263 bool CInode::is_freezing() const
2265 if (is_freezing_inode()) return true;
2266 if (parent
&& parent
->dir
->is_freezing()) return true;
2270 void CInode::add_dir_waiter(frag_t fg
, MDSInternalContextBase
*c
)
2272 if (waiting_on_dir
.empty())
2274 waiting_on_dir
[fg
].push_back(c
);
2275 dout(10) << "add_dir_waiter frag " << fg
<< " " << c
<< " on " << *this << dendl
;
2278 void CInode::take_dir_waiting(frag_t fg
, list
<MDSInternalContextBase
*>& ls
)
2280 if (waiting_on_dir
.empty())
2283 compact_map
<frag_t
, list
<MDSInternalContextBase
*> >::iterator p
= waiting_on_dir
.find(fg
);
2284 if (p
!= waiting_on_dir
.end()) {
2285 dout(10) << "take_dir_waiting frag " << fg
<< " on " << *this << dendl
;
2286 ls
.splice(ls
.end(), p
->second
);
2287 waiting_on_dir
.erase(p
);
2289 if (waiting_on_dir
.empty())
2294 void CInode::add_waiter(uint64_t tag
, MDSInternalContextBase
*c
)
2296 dout(10) << "add_waiter tag " << std::hex
<< tag
<< std::dec
<< " " << c
2297 << " !ambig " << !state_test(STATE_AMBIGUOUSAUTH
)
2298 << " !frozen " << !is_frozen_inode()
2299 << " !freezing " << !is_freezing_inode()
2301 // wait on the directory?
2302 // make sure its not the inode that is explicitly ambiguous|freezing|frozen
2303 if (((tag
& WAIT_SINGLEAUTH
) && !state_test(STATE_AMBIGUOUSAUTH
)) ||
2304 ((tag
& WAIT_UNFREEZE
) &&
2305 !is_frozen_inode() && !is_freezing_inode() && !is_frozen_auth_pin())) {
2306 dout(15) << "passing waiter up tree" << dendl
;
2307 parent
->dir
->add_waiter(tag
, c
);
2310 dout(15) << "taking waiter here" << dendl
;
2311 MDSCacheObject::add_waiter(tag
, c
);
2314 void CInode::take_waiting(uint64_t mask
, list
<MDSInternalContextBase
*>& ls
)
2316 if ((mask
& WAIT_DIR
) && !waiting_on_dir
.empty()) {
2317 // take all dentry waiters
2318 while (!waiting_on_dir
.empty()) {
2319 compact_map
<frag_t
, list
<MDSInternalContextBase
*> >::iterator p
= waiting_on_dir
.begin();
2320 dout(10) << "take_waiting dirfrag " << p
->first
<< " on " << *this << dendl
;
2321 ls
.splice(ls
.end(), p
->second
);
2322 waiting_on_dir
.erase(p
);
2328 MDSCacheObject::take_waiting(mask
, ls
);
2331 bool CInode::freeze_inode(int auth_pin_allowance
)
2333 assert(auth_pin_allowance
> 0); // otherwise we need to adjust parent's nested_auth_pins
2334 assert(auth_pins
>= auth_pin_allowance
);
2335 if (auth_pins
> auth_pin_allowance
) {
2336 dout(10) << "freeze_inode - waiting for auth_pins to drop to " << auth_pin_allowance
<< dendl
;
2337 auth_pin_freeze_allowance
= auth_pin_allowance
;
2339 state_set(STATE_FREEZING
);
2343 dout(10) << "freeze_inode - frozen" << dendl
;
2344 assert(auth_pins
== auth_pin_allowance
);
2345 if (!state_test(STATE_FROZEN
)) {
2347 state_set(STATE_FROZEN
);
2352 void CInode::unfreeze_inode(list
<MDSInternalContextBase
*>& finished
)
2354 dout(10) << "unfreeze_inode" << dendl
;
2355 if (state_test(STATE_FREEZING
)) {
2356 state_clear(STATE_FREEZING
);
2358 } else if (state_test(STATE_FROZEN
)) {
2359 state_clear(STATE_FROZEN
);
2363 take_waiting(WAIT_UNFREEZE
, finished
);
2366 void CInode::unfreeze_inode()
2368 list
<MDSInternalContextBase
*> finished
;
2369 unfreeze_inode(finished
);
2370 mdcache
->mds
->queue_waiters(finished
);
2373 void CInode::freeze_auth_pin()
2375 assert(state_test(CInode::STATE_FROZEN
));
2376 state_set(CInode::STATE_FROZENAUTHPIN
);
2379 void CInode::unfreeze_auth_pin()
2381 assert(state_test(CInode::STATE_FROZENAUTHPIN
));
2382 state_clear(CInode::STATE_FROZENAUTHPIN
);
2383 if (!state_test(STATE_FREEZING
|STATE_FROZEN
)) {
2384 list
<MDSInternalContextBase
*> finished
;
2385 take_waiting(WAIT_UNFREEZE
, finished
);
2386 mdcache
->mds
->queue_waiters(finished
);
2390 void CInode::clear_ambiguous_auth(list
<MDSInternalContextBase
*>& finished
)
2392 assert(state_test(CInode::STATE_AMBIGUOUSAUTH
));
2393 state_clear(CInode::STATE_AMBIGUOUSAUTH
);
2394 take_waiting(CInode::WAIT_SINGLEAUTH
, finished
);
2397 void CInode::clear_ambiguous_auth()
2399 list
<MDSInternalContextBase
*> finished
;
2400 clear_ambiguous_auth(finished
);
2401 mdcache
->mds
->queue_waiters(finished
);
2405 bool CInode::can_auth_pin() const {
2406 if (!is_auth() || is_freezing_inode() || is_frozen_inode() || is_frozen_auth_pin())
2409 return parent
->can_auth_pin();
2413 void CInode::auth_pin(void *by
)
2419 #ifdef MDS_AUTHPIN_SET
2420 auth_pin_set
.insert(by
);
2423 dout(10) << "auth_pin by " << by
<< " on " << *this
2424 << " now " << auth_pins
<< "+" << nested_auth_pins
2428 parent
->adjust_nested_auth_pins(1, 1, this);
2431 void CInode::auth_unpin(void *by
)
2435 #ifdef MDS_AUTHPIN_SET
2436 assert(auth_pin_set
.count(by
));
2437 auth_pin_set
.erase(auth_pin_set
.find(by
));
2443 dout(10) << "auth_unpin by " << by
<< " on " << *this
2444 << " now " << auth_pins
<< "+" << nested_auth_pins
2447 assert(auth_pins
>= 0);
2450 parent
->adjust_nested_auth_pins(-1, -1, by
);
2452 if (is_freezing_inode() &&
2453 auth_pins
== auth_pin_freeze_allowance
) {
2454 dout(10) << "auth_unpin freezing!" << dendl
;
2457 state_clear(STATE_FREEZING
);
2458 state_set(STATE_FROZEN
);
2459 finish_waiting(WAIT_FROZEN
);
2463 void CInode::adjust_nested_auth_pins(int a
, void *by
)
2466 nested_auth_pins
+= a
;
2467 dout(35) << "adjust_nested_auth_pins by " << by
2468 << " change " << a
<< " yields "
2469 << auth_pins
<< "+" << nested_auth_pins
<< dendl
;
2470 assert(nested_auth_pins
>= 0);
2472 if (g_conf
->mds_debug_auth_pins
) {
2475 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
2476 p
!= dirfrags
.end();
2478 CDir
*dir
= p
->second
;
2479 if (!dir
->is_subtree_root() && dir
->get_cum_auth_pins())
2482 assert(s
== nested_auth_pins
);
2486 parent
->adjust_nested_auth_pins(a
, 0, by
);
2492 mds_authority_t
CInode::authority() const
2494 if (inode_auth
.first
>= 0)
2498 return parent
->dir
->authority();
2500 // new items that are not yet linked in (in the committed plane) belong
2501 // to their first parent.
2502 if (!projected_parent
.empty())
2503 return projected_parent
.front()->dir
->authority();
2505 return CDIR_AUTH_UNDEF
;
2511 snapid_t
CInode::get_oldest_snap()
2514 if (!old_inodes
.empty())
2515 t
= old_inodes
.begin()->second
.first
;
2516 return MIN(t
, oldest_snap
);
2519 old_inode_t
& CInode::cow_old_inode(snapid_t follows
, bool cow_head
)
2521 assert(follows
>= first
);
2523 inode_t
*pi
= cow_head
? get_projected_inode() : get_previous_projected_inode();
2524 map
<string
,bufferptr
> *px
= cow_head
? get_projected_xattrs() : get_previous_projected_xattrs();
2526 old_inode_t
&old
= old_inodes
[follows
];
2531 if (first
< oldest_snap
)
2532 oldest_snap
= first
;
2534 dout(10) << " " << px
->size() << " xattrs cowed, " << *px
<< dendl
;
2536 old
.inode
.trim_client_ranges(follows
);
2538 if (g_conf
->mds_snap_rstat
&&
2539 !(old
.inode
.rstat
== old
.inode
.accounted_rstat
))
2540 dirty_old_rstats
.insert(follows
);
2544 dout(10) << "cow_old_inode " << (cow_head
? "head" : "previous_head" )
2545 << " to [" << old
.first
<< "," << follows
<< "] on "
2551 void CInode::split_old_inode(snapid_t snap
)
2553 compact_map
<snapid_t
, old_inode_t
>::iterator p
= old_inodes
.lower_bound(snap
);
2554 assert(p
!= old_inodes
.end() && p
->second
.first
< snap
);
2556 old_inode_t
&old
= old_inodes
[snap
- 1];
2559 p
->second
.first
= snap
;
2560 dout(10) << "split_old_inode " << "[" << old
.first
<< "," << p
->first
2561 << "] to [" << snap
<< "," << p
->first
<< "] on " << *this << dendl
;
2564 void CInode::pre_cow_old_inode()
2566 snapid_t follows
= find_snaprealm()->get_newest_seq();
2567 if (first
<= follows
)
2568 cow_old_inode(follows
, true);
2571 void CInode::purge_stale_snap_data(const set
<snapid_t
>& snaps
)
2573 dout(10) << "purge_stale_snap_data " << snaps
<< dendl
;
2575 if (old_inodes
.empty())
2578 compact_map
<snapid_t
,old_inode_t
>::iterator p
= old_inodes
.begin();
2579 while (p
!= old_inodes
.end()) {
2580 set
<snapid_t
>::const_iterator q
= snaps
.lower_bound(p
->second
.first
);
2581 if (q
== snaps
.end() || *q
> p
->first
) {
2582 dout(10) << " purging old_inode [" << p
->second
.first
<< "," << p
->first
<< "]" << dendl
;
2583 old_inodes
.erase(p
++);
2590 * pick/create an old_inode
2592 old_inode_t
* CInode::pick_old_inode(snapid_t snap
)
2594 compact_map
<snapid_t
, old_inode_t
>::iterator p
= old_inodes
.lower_bound(snap
); // p is first key >= to snap
2595 if (p
!= old_inodes
.end() && p
->second
.first
<= snap
) {
2596 dout(10) << "pick_old_inode snap " << snap
<< " -> [" << p
->second
.first
<< "," << p
->first
<< "]" << dendl
;
2599 dout(10) << "pick_old_inode snap " << snap
<< " -> nothing" << dendl
;
2603 void CInode::open_snaprealm(bool nosplit
)
2606 SnapRealm
*parent
= find_snaprealm();
2607 snaprealm
= new SnapRealm(mdcache
, this);
2609 dout(10) << "open_snaprealm " << snaprealm
2610 << " parent is " << parent
2612 dout(30) << " siblings are " << parent
->open_children
<< dendl
;
2613 snaprealm
->parent
= parent
;
2615 parent
->split_at(snaprealm
);
2616 parent
->open_children
.insert(snaprealm
);
2620 void CInode::close_snaprealm(bool nojoin
)
2623 dout(15) << "close_snaprealm " << *snaprealm
<< dendl
;
2624 snaprealm
->close_parents();
2625 if (snaprealm
->parent
) {
2626 snaprealm
->parent
->open_children
.erase(snaprealm
);
2628 //snaprealm->parent->join(snaprealm);
2635 SnapRealm
*CInode::find_snaprealm() const
2637 const CInode
*cur
= this;
2638 while (!cur
->snaprealm
) {
2639 if (cur
->get_parent_dn())
2640 cur
= cur
->get_parent_dn()->get_dir()->get_inode();
2641 else if (get_projected_parent_dn())
2642 cur
= cur
->get_projected_parent_dn()->get_dir()->get_inode();
2646 return cur
->snaprealm
;
2649 void CInode::encode_snap_blob(bufferlist
&snapbl
)
2652 ::encode(snaprealm
->srnode
, snapbl
);
2653 dout(20) << "encode_snap_blob " << *snaprealm
<< dendl
;
2656 void CInode::decode_snap_blob(bufferlist
& snapbl
)
2658 if (snapbl
.length()) {
2660 bufferlist::iterator p
= snapbl
.begin();
2661 ::decode(snaprealm
->srnode
, p
);
2663 bool ok
= snaprealm
->_open_parents(NULL
);
2666 dout(20) << "decode_snap_blob " << *snaprealm
<< dendl
;
2670 void CInode::encode_snap(bufferlist
& bl
)
2673 encode_snap_blob(snapbl
);
2674 ::encode(snapbl
, bl
);
2675 ::encode(oldest_snap
, bl
);
2678 void CInode::decode_snap(bufferlist::iterator
& p
)
2681 ::decode(snapbl
, p
);
2682 ::decode(oldest_snap
, p
);
2683 decode_snap_blob(snapbl
);
2686 // =============================================
2688 client_t
CInode::calc_ideal_loner()
2690 if (mdcache
->is_readonly())
2692 if (!mds_caps_wanted
.empty())
2696 client_t loner
= -1;
2697 for (map
<client_t
,Capability
*>::iterator it
= client_caps
.begin();
2698 it
!= client_caps
.end();
2700 if (!it
->second
->is_stale() &&
2701 ((it
->second
->wanted() & (CEPH_CAP_ANY_WR
|CEPH_CAP_FILE_WR
|CEPH_CAP_FILE_RD
)) ||
2702 (inode
.is_dir() && !has_subtree_root_dirfrag()))) {
2711 client_t
CInode::choose_ideal_loner()
2713 want_loner_cap
= calc_ideal_loner();
2714 return want_loner_cap
;
2717 bool CInode::try_set_loner()
2719 assert(want_loner_cap
>= 0);
2720 if (loner_cap
>= 0 && loner_cap
!= want_loner_cap
)
2722 set_loner_cap(want_loner_cap
);
2726 void CInode::set_loner_cap(client_t l
)
2729 authlock
.set_excl_client(loner_cap
);
2730 filelock
.set_excl_client(loner_cap
);
2731 linklock
.set_excl_client(loner_cap
);
2732 xattrlock
.set_excl_client(loner_cap
);
2735 bool CInode::try_drop_loner()
2740 int other_allowed
= get_caps_allowed_by_type(CAP_ANY
);
2741 Capability
*cap
= get_client_cap(loner_cap
);
2743 (cap
->issued() & ~other_allowed
) == 0) {
2751 // choose new lock state during recovery, based on issued caps
2752 void CInode::choose_lock_state(SimpleLock
*lock
, int allissued
)
2754 int shift
= lock
->get_cap_shift();
2755 int issued
= (allissued
>> shift
) & lock
->get_cap_mask();
2757 if (lock
->is_xlocked()) {
2759 } else if (lock
->get_state() != LOCK_MIX
) {
2760 if (issued
& (CEPH_CAP_GEXCL
| CEPH_CAP_GBUFFER
))
2761 lock
->set_state(LOCK_EXCL
);
2762 else if (issued
& CEPH_CAP_GWR
)
2763 lock
->set_state(LOCK_MIX
);
2764 else if (lock
->is_dirty()) {
2765 if (is_replicated())
2766 lock
->set_state(LOCK_MIX
);
2768 lock
->set_state(LOCK_LOCK
);
2770 lock
->set_state(LOCK_SYNC
);
2773 // our states have already been chosen during rejoin.
2774 if (lock
->is_xlocked())
2775 assert(lock
->get_state() == LOCK_LOCK
);
2779 void CInode::choose_lock_states(int dirty_caps
)
2781 int issued
= get_caps_issued() | dirty_caps
;
2782 if (is_auth() && (issued
& (CEPH_CAP_ANY_EXCL
|CEPH_CAP_ANY_WR
)) &&
2783 choose_ideal_loner() >= 0)
2785 choose_lock_state(&filelock
, issued
);
2786 choose_lock_state(&nestlock
, issued
);
2787 choose_lock_state(&dirfragtreelock
, issued
);
2788 choose_lock_state(&authlock
, issued
);
2789 choose_lock_state(&xattrlock
, issued
);
2790 choose_lock_state(&linklock
, issued
);
2793 Capability
*CInode::add_client_cap(client_t client
, Session
*session
, SnapRealm
*conrealm
)
2795 if (client_caps
.empty()) {
2798 containing_realm
= conrealm
;
2800 containing_realm
= find_snaprealm();
2801 containing_realm
->inodes_with_caps
.push_back(&item_caps
);
2802 dout(10) << "add_client_cap first cap, joining realm " << *containing_realm
<< dendl
;
2805 if (client_caps
.empty())
2806 mdcache
->num_inodes_with_caps
++;
2808 Capability
*cap
= new Capability(this, ++mdcache
->last_cap_id
, client
);
2809 assert(client_caps
.count(client
) == 0);
2810 client_caps
[client
] = cap
;
2812 session
->add_cap(cap
);
2813 if (session
->is_stale())
2816 cap
->client_follows
= first
-1;
2818 containing_realm
->add_cap(client
, cap
);
2823 void CInode::remove_client_cap(client_t client
)
2825 assert(client_caps
.count(client
) == 1);
2826 Capability
*cap
= client_caps
[client
];
2828 cap
->item_session_caps
.remove_myself();
2829 cap
->item_revoking_caps
.remove_myself();
2830 cap
->item_client_revoking_caps
.remove_myself();
2831 containing_realm
->remove_cap(client
, cap
);
2833 if (client
== loner_cap
)
2837 client_caps
.erase(client
);
2838 if (client_caps
.empty()) {
2839 dout(10) << "remove_client_cap last cap, leaving realm " << *containing_realm
<< dendl
;
2841 item_caps
.remove_myself();
2842 containing_realm
= NULL
;
2843 item_open_file
.remove_myself(); // unpin logsegment
2844 mdcache
->num_inodes_with_caps
--;
2847 //clean up advisory locks
2848 bool fcntl_removed
= fcntl_locks
? fcntl_locks
->remove_all_from(client
) : false;
2849 bool flock_removed
= flock_locks
? flock_locks
->remove_all_from(client
) : false;
2850 if (fcntl_removed
|| flock_removed
) {
2851 list
<MDSInternalContextBase
*> waiters
;
2852 take_waiting(CInode::WAIT_FLOCK
, waiters
);
2853 mdcache
->mds
->queue_waiters(waiters
);
2857 void CInode::move_to_realm(SnapRealm
*realm
)
2859 dout(10) << "move_to_realm joining realm " << *realm
2860 << ", leaving realm " << *containing_realm
<< dendl
;
2861 for (map
<client_t
,Capability
*>::iterator q
= client_caps
.begin();
2862 q
!= client_caps
.end();
2864 containing_realm
->remove_cap(q
->first
, q
->second
);
2865 realm
->add_cap(q
->first
, q
->second
);
2867 item_caps
.remove_myself();
2868 realm
->inodes_with_caps
.push_back(&item_caps
);
2869 containing_realm
= realm
;
2872 Capability
*CInode::reconnect_cap(client_t client
, const cap_reconnect_t
& icr
, Session
*session
)
2874 Capability
*cap
= get_client_cap(client
);
2877 cap
->merge(icr
.capinfo
.wanted
, icr
.capinfo
.issued
);
2879 cap
= add_client_cap(client
, session
);
2880 cap
->set_cap_id(icr
.capinfo
.cap_id
);
2881 cap
->set_wanted(icr
.capinfo
.wanted
);
2882 cap
->issue_norevoke(icr
.capinfo
.issued
);
2885 cap
->set_last_issue_stamp(ceph_clock_now());
2889 void CInode::clear_client_caps_after_export()
2891 while (!client_caps
.empty())
2892 remove_client_cap(client_caps
.begin()->first
);
2894 want_loner_cap
= -1;
2895 mds_caps_wanted
.clear();
2898 void CInode::export_client_caps(map
<client_t
,Capability::Export
>& cl
)
2900 for (map
<client_t
,Capability
*>::iterator it
= client_caps
.begin();
2901 it
!= client_caps
.end();
2903 cl
[it
->first
] = it
->second
->make_export();
2908 int CInode::get_caps_liked() const
2911 return CEPH_CAP_PIN
| CEPH_CAP_ANY_EXCL
| CEPH_CAP_ANY_SHARED
; // but not, say, FILE_RD|WR|WRBUFFER
2913 return CEPH_CAP_ANY
& ~CEPH_CAP_FILE_LAZYIO
;
2916 int CInode::get_caps_allowed_ever() const
2920 allowed
= CEPH_CAP_PIN
| CEPH_CAP_ANY_EXCL
| CEPH_CAP_ANY_SHARED
;
2922 allowed
= CEPH_CAP_ANY
;
2925 (filelock
.gcaps_allowed_ever() << filelock
.get_cap_shift()) |
2926 (authlock
.gcaps_allowed_ever() << authlock
.get_cap_shift()) |
2927 (xattrlock
.gcaps_allowed_ever() << xattrlock
.get_cap_shift()) |
2928 (linklock
.gcaps_allowed_ever() << linklock
.get_cap_shift()));
2931 int CInode::get_caps_allowed_by_type(int type
) const
2935 (filelock
.gcaps_allowed(type
) << filelock
.get_cap_shift()) |
2936 (authlock
.gcaps_allowed(type
) << authlock
.get_cap_shift()) |
2937 (xattrlock
.gcaps_allowed(type
) << xattrlock
.get_cap_shift()) |
2938 (linklock
.gcaps_allowed(type
) << linklock
.get_cap_shift());
2941 int CInode::get_caps_careful() const
2944 (filelock
.gcaps_careful() << filelock
.get_cap_shift()) |
2945 (authlock
.gcaps_careful() << authlock
.get_cap_shift()) |
2946 (xattrlock
.gcaps_careful() << xattrlock
.get_cap_shift()) |
2947 (linklock
.gcaps_careful() << linklock
.get_cap_shift());
2950 int CInode::get_xlocker_mask(client_t client
) const
2953 (filelock
.gcaps_xlocker_mask(client
) << filelock
.get_cap_shift()) |
2954 (authlock
.gcaps_xlocker_mask(client
) << authlock
.get_cap_shift()) |
2955 (xattrlock
.gcaps_xlocker_mask(client
) << xattrlock
.get_cap_shift()) |
2956 (linklock
.gcaps_xlocker_mask(client
) << linklock
.get_cap_shift());
2959 int CInode::get_caps_allowed_for_client(Session
*session
, inode_t
*file_i
) const
2961 client_t client
= session
->info
.inst
.name
.num();
2963 if (client
== get_loner()) {
2964 // as the loner, we get the loner_caps AND any xlocker_caps for things we have xlocked
2966 get_caps_allowed_by_type(CAP_LONER
) |
2967 (get_caps_allowed_by_type(CAP_XLOCKER
) & get_xlocker_mask(client
));
2969 allowed
= get_caps_allowed_by_type(CAP_ANY
);
2973 if ((file_i
->inline_data
.version
!= CEPH_INLINE_NONE
&&
2974 !session
->connection
->has_feature(CEPH_FEATURE_MDS_INLINE_DATA
)) ||
2975 (!file_i
->layout
.pool_ns
.empty() &&
2976 !session
->connection
->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2
)))
2977 allowed
&= ~(CEPH_CAP_FILE_RD
| CEPH_CAP_FILE_WR
);
2982 // caps issued, wanted
2983 int CInode::get_caps_issued(int *ploner
, int *pother
, int *pxlocker
,
2984 int shift
, int mask
)
2987 int loner
= 0, other
= 0, xlocker
= 0;
2992 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
2993 it
!= client_caps
.end();
2995 int i
= it
->second
->issued();
2997 if (it
->first
== loner_cap
)
3001 xlocker
|= get_xlocker_mask(it
->first
) & i
;
3003 if (ploner
) *ploner
= (loner
>> shift
) & mask
;
3004 if (pother
) *pother
= (other
>> shift
) & mask
;
3005 if (pxlocker
) *pxlocker
= (xlocker
>> shift
) & mask
;
3006 return (c
>> shift
) & mask
;
3009 bool CInode::is_any_caps_wanted() const
3011 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
3012 it
!= client_caps
.end();
3014 if (it
->second
->wanted())
3019 int CInode::get_caps_wanted(int *ploner
, int *pother
, int shift
, int mask
) const
3022 int loner
= 0, other
= 0;
3023 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
3024 it
!= client_caps
.end();
3026 if (!it
->second
->is_stale()) {
3027 int t
= it
->second
->wanted();
3029 if (it
->first
== loner_cap
)
3034 //cout << " get_caps_wanted client " << it->first << " " << cap_string(it->second.wanted()) << endl;
3037 for (compact_map
<int,int>::const_iterator it
= mds_caps_wanted
.begin();
3038 it
!= mds_caps_wanted
.end();
3041 other
|= it
->second
;
3042 //cout << " get_caps_wanted mds " << it->first << " " << cap_string(it->second) << endl;
3044 if (ploner
) *ploner
= (loner
>> shift
) & mask
;
3045 if (pother
) *pother
= (other
>> shift
) & mask
;
3046 return (w
>> shift
) & mask
;
3049 bool CInode::issued_caps_need_gather(SimpleLock
*lock
)
3051 int loner_issued
, other_issued
, xlocker_issued
;
3052 get_caps_issued(&loner_issued
, &other_issued
, &xlocker_issued
,
3053 lock
->get_cap_shift(), lock
->get_cap_mask());
3054 if ((loner_issued
& ~lock
->gcaps_allowed(CAP_LONER
)) ||
3055 (other_issued
& ~lock
->gcaps_allowed(CAP_ANY
)) ||
3056 (xlocker_issued
& ~lock
->gcaps_allowed(CAP_XLOCKER
)))
3061 void CInode::replicate_relax_locks()
3063 //dout(10) << " relaxing locks on " << *this << dendl;
3065 assert(!is_replicated());
3067 authlock
.replicate_relax();
3068 linklock
.replicate_relax();
3069 dirfragtreelock
.replicate_relax();
3070 filelock
.replicate_relax();
3071 xattrlock
.replicate_relax();
3072 snaplock
.replicate_relax();
3073 nestlock
.replicate_relax();
3074 flocklock
.replicate_relax();
3075 policylock
.replicate_relax();
3080 // =============================================
3082 int CInode::encode_inodestat(bufferlist
& bl
, Session
*session
,
3083 SnapRealm
*dir_realm
,
3088 client_t client
= session
->info
.inst
.name
.num();
3090 assert(session
->connection
);
3095 inode_t
*oi
= &inode
;
3096 inode_t
*pi
= get_projected_inode();
3098 map
<string
, bufferptr
> *pxattrs
= 0;
3100 if (snapid
!= CEPH_NOSNAP
) {
3102 // for now at least, old_inodes is only defined/valid on the auth
3106 if (is_multiversion()) {
3107 compact_map
<snapid_t
,old_inode_t
>::iterator p
= old_inodes
.lower_bound(snapid
);
3108 if (p
!= old_inodes
.end()) {
3109 if (p
->second
.first
> snapid
) {
3110 if (p
!= old_inodes
.begin())
3113 if (p
->second
.first
<= snapid
&& snapid
<= p
->first
) {
3114 dout(15) << "encode_inodestat snapid " << snapid
3115 << " to old_inode [" << p
->second
.first
<< "," << p
->first
<< "]"
3116 << " " << p
->second
.inode
.rstat
3118 pi
= oi
= &p
->second
.inode
;
3119 pxattrs
= &p
->second
.xattrs
;
3121 // snapshoted remote dentry can result this
3122 dout(0) << "encode_inodestat old_inode for snapid " << snapid
3123 << " not found" << dendl
;
3126 } else if (snapid
< first
|| snapid
> last
) {
3127 // snapshoted remote dentry can result this
3128 dout(0) << "encode_inodestat [" << first
<< "," << last
<< "]"
3129 << " not match snapid " << snapid
<< dendl
;
3133 SnapRealm
*realm
= find_snaprealm();
3135 bool no_caps
= !valid
||
3136 session
->is_stale() ||
3137 (dir_realm
&& realm
!= dir_realm
) ||
3139 state_test(CInode::STATE_EXPORTINGCAPS
);
3141 dout(20) << "encode_inodestat no caps"
3142 << (!valid
?", !valid":"")
3143 << (session
->is_stale()?", session stale ":"")
3144 << ((dir_realm
&& realm
!= dir_realm
)?", snaprealm differs ":"")
3145 << (is_frozen()?", frozen inode":"")
3146 << (state_test(CInode::STATE_EXPORTINGCAPS
)?", exporting caps":"")
3150 // "fake" a version that is old (stable) version, +1 if projected.
3151 version_t version
= (oi
->version
* 2) + is_projected();
3153 Capability
*cap
= get_client_cap(client
);
3154 bool pfile
= filelock
.is_xlocked_by_client(client
) || get_loner() == client
;
3155 //(cap && (cap->issued() & CEPH_CAP_FILE_EXCL));
3156 bool pauth
= authlock
.is_xlocked_by_client(client
) || get_loner() == client
;
3157 bool plink
= linklock
.is_xlocked_by_client(client
) || get_loner() == client
;
3158 bool pxattr
= xattrlock
.is_xlocked_by_client(client
) || get_loner() == client
;
3160 bool plocal
= versionlock
.get_last_wrlock_client() == client
;
3161 bool ppolicy
= policylock
.is_xlocked_by_client(client
) || get_loner()==client
;
3163 inode_t
*any_i
= (pfile
|pauth
|plink
|pxattr
|plocal
) ? pi
: oi
;
3165 dout(20) << " pfile " << pfile
<< " pauth " << pauth
3166 << " plink " << plink
<< " pxattr " << pxattr
3167 << " plocal " << plocal
3168 << " ctime " << any_i
->ctime
3169 << " valid=" << valid
<< dendl
;
3172 inode_t
*file_i
= pfile
? pi
:oi
;
3173 file_layout_t layout
;
3175 layout
= (ppolicy
? pi
: oi
)->layout
;
3177 layout
= file_i
->layout
;
3180 // max_size is min of projected, actual
3182 MIN(oi
->client_ranges
.count(client
) ?
3183 oi
->client_ranges
[client
].range
.last
: 0,
3184 pi
->client_ranges
.count(client
) ?
3185 pi
->client_ranges
[client
].range
.last
: 0);
3188 version_t inline_version
= 0;
3189 bufferlist inline_data
;
3190 if (file_i
->inline_data
.version
== CEPH_INLINE_NONE
) {
3191 inline_version
= CEPH_INLINE_NONE
;
3192 } else if ((!cap
&& !no_caps
) ||
3193 (cap
&& cap
->client_inline_version
< file_i
->inline_data
.version
) ||
3194 (getattr_caps
& CEPH_CAP_FILE_RD
)) { // client requests inline data
3195 inline_version
= file_i
->inline_data
.version
;
3196 if (file_i
->inline_data
.length() > 0)
3197 inline_data
= file_i
->inline_data
.get_data();
3200 // nest (do same as file... :/)
3202 cap
->last_rbytes
= file_i
->rstat
.rbytes
;
3203 cap
->last_rsize
= file_i
->rstat
.rsize();
3207 inode_t
*auth_i
= pauth
? pi
:oi
;
3210 inode_t
*link_i
= plink
? pi
:oi
;
3213 inode_t
*xattr_i
= pxattr
? pi
:oi
;
3217 version_t xattr_version
;
3218 if ((!cap
&& !no_caps
) ||
3219 (cap
&& cap
->client_xattr_version
< xattr_i
->xattr_version
) ||
3220 (getattr_caps
& CEPH_CAP_XATTR_SHARED
)) { // client requests xattrs
3222 pxattrs
= pxattr
? get_projected_xattrs() : &xattrs
;
3223 ::encode(*pxattrs
, xbl
);
3224 xattr_version
= xattr_i
->xattr_version
;
3231 unsigned bytes
= 8 + 8 + 4 + 8 + 8 + sizeof(ceph_mds_reply_cap
) +
3232 sizeof(struct ceph_file_layout
) + 4 + layout
.pool_ns
.size() +
3233 sizeof(struct ceph_timespec
) * 3 +
3234 4 + 8 + 8 + 8 + 4 + 4 + 4 + 4 + 4 +
3235 8 + 8 + 8 + 8 + 8 + sizeof(struct ceph_timespec
) +
3237 bytes
+= sizeof(__u32
);
3238 bytes
+= (sizeof(__u32
) + sizeof(__u32
)) * dirfragtree
._splits
.size();
3239 bytes
+= sizeof(__u32
) + symlink
.length();
3240 bytes
+= sizeof(__u32
) + xbl
.length();
3241 bytes
+= sizeof(version_t
) + sizeof(__u32
) + inline_data
.length();
3242 if (bytes
> max_bytes
)
3248 struct ceph_mds_reply_cap ecap
;
3249 if (snapid
!= CEPH_NOSNAP
) {
3251 * snapped inodes (files or dirs) only get read-only caps. always
3252 * issue everything possible, since it is read only.
3254 * if a snapped inode has caps, limit issued caps based on the
3257 * if it is a live inode, limit issued caps based on the lock
3260 * do NOT adjust cap issued state, because the client always
3261 * tracks caps per-snap and the mds does either per-interval or
3264 ecap
.caps
= valid
? get_caps_allowed_by_type(CAP_ANY
) : CEPH_STAT_CAP_INODE
;
3265 if (last
== CEPH_NOSNAP
|| is_any_caps())
3266 ecap
.caps
= ecap
.caps
& get_caps_allowed_for_client(session
, file_i
);
3271 if (!no_caps
&& !cap
) {
3273 cap
= add_client_cap(client
, session
, realm
);
3275 if (choose_ideal_loner() >= 0)
3277 else if (get_wanted_loner() < 0)
3283 if (!no_caps
&& cap
) {
3284 int likes
= get_caps_liked();
3285 int allowed
= get_caps_allowed_for_client(session
, file_i
);
3286 issue
= (cap
->wanted() | likes
) & allowed
;
3287 cap
->issue_norevoke(issue
);
3288 issue
= cap
->pending();
3289 dout(10) << "encode_inodestat issuing " << ccap_string(issue
)
3290 << " seq " << cap
->get_last_seq() << dendl
;
3291 } else if (cap
&& cap
->is_new() && !dir_realm
) {
3292 // alway issue new caps to client, otherwise the caps get lost
3293 assert(cap
->is_stale());
3294 issue
= cap
->pending() | CEPH_CAP_PIN
;
3295 cap
->issue_norevoke(issue
);
3296 dout(10) << "encode_inodestat issuing " << ccap_string(issue
)
3297 << " seq " << cap
->get_last_seq()
3298 << "(stale|new caps)" << dendl
;
3302 cap
->set_last_issue();
3303 cap
->set_last_issue_stamp(ceph_clock_now());
3306 ecap
.wanted
= cap
->wanted();
3307 ecap
.cap_id
= cap
->get_cap_id();
3308 ecap
.seq
= cap
->get_last_seq();
3309 ecap
.mseq
= cap
->get_mseq();
3310 ecap
.realm
= realm
->inode
->ino();
3320 ecap
.flags
= is_auth() ? CEPH_CAP_FLAG_AUTH
: 0;
3321 dout(10) << "encode_inodestat caps " << ccap_string(ecap
.caps
)
3322 << " seq " << ecap
.seq
<< " mseq " << ecap
.mseq
3323 << " xattrv " << xattr_version
<< " len " << xbl
.length()
3326 if (inline_data
.length() && cap
) {
3327 if ((cap
->pending() | getattr_caps
) & CEPH_CAP_FILE_SHARED
) {
3328 dout(10) << "including inline version " << inline_version
<< dendl
;
3329 cap
->client_inline_version
= inline_version
;
3331 dout(10) << "dropping inline version " << inline_version
<< dendl
;
3333 inline_data
.clear();
3337 // include those xattrs?
3338 if (xbl
.length() && cap
) {
3339 if ((cap
->pending() | getattr_caps
) & CEPH_CAP_XATTR_SHARED
) {
3340 dout(10) << "including xattrs version " << xattr_i
->xattr_version
<< dendl
;
3341 cap
->client_xattr_version
= xattr_i
->xattr_version
;
3343 dout(10) << "dropping xattrs version " << xattr_i
->xattr_version
<< dendl
;
3344 xbl
.clear(); // no xattrs .. XXX what's this about?!?
3350 * note: encoding matches MClientReply::InodeStat
3352 ::encode(oi
->ino
, bl
);
3353 ::encode(snapid
, bl
);
3354 ::encode(oi
->rdev
, bl
);
3355 ::encode(version
, bl
);
3357 ::encode(xattr_version
, bl
);
3361 ceph_file_layout legacy_layout
;
3362 layout
.to_legacy(&legacy_layout
);
3363 ::encode(legacy_layout
, bl
);
3365 ::encode(any_i
->ctime
, bl
);
3366 ::encode(file_i
->mtime
, bl
);
3367 ::encode(file_i
->atime
, bl
);
3368 ::encode(file_i
->time_warp_seq
, bl
);
3369 ::encode(file_i
->size
, bl
);
3370 ::encode(max_size
, bl
);
3371 ::encode(file_i
->truncate_size
, bl
);
3372 ::encode(file_i
->truncate_seq
, bl
);
3374 ::encode(auth_i
->mode
, bl
);
3375 ::encode((uint32_t)auth_i
->uid
, bl
);
3376 ::encode((uint32_t)auth_i
->gid
, bl
);
3378 ::encode(link_i
->nlink
, bl
);
3380 ::encode(file_i
->dirstat
.nfiles
, bl
);
3381 ::encode(file_i
->dirstat
.nsubdirs
, bl
);
3382 ::encode(file_i
->rstat
.rbytes
, bl
);
3383 ::encode(file_i
->rstat
.rfiles
, bl
);
3384 ::encode(file_i
->rstat
.rsubdirs
, bl
);
3385 ::encode(file_i
->rstat
.rctime
, bl
);
3387 dirfragtree
.encode(bl
);
3389 ::encode(symlink
, bl
);
3390 if (session
->connection
->has_feature(CEPH_FEATURE_DIRLAYOUTHASH
)) {
3391 ::encode(file_i
->dir_layout
, bl
);
3394 if (session
->connection
->has_feature(CEPH_FEATURE_MDS_INLINE_DATA
)) {
3395 ::encode(inline_version
, bl
);
3396 ::encode(inline_data
, bl
);
3398 if (session
->connection
->has_feature(CEPH_FEATURE_MDS_QUOTA
)) {
3399 inode_t
*policy_i
= ppolicy
? pi
: oi
;
3400 ::encode(policy_i
->quota
, bl
);
3402 if (session
->connection
->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2
)) {
3403 ::encode(layout
.pool_ns
, bl
);
3405 if (session
->connection
->has_feature(CEPH_FEATURE_FS_BTIME
)) {
3406 ::encode(any_i
->btime
, bl
);
3407 ::encode(any_i
->change_attr
, bl
);
3413 void CInode::encode_cap_message(MClientCaps
*m
, Capability
*cap
)
3417 client_t client
= cap
->get_client();
3419 bool pfile
= filelock
.is_xlocked_by_client(client
) || (cap
->issued() & CEPH_CAP_FILE_EXCL
);
3420 bool pauth
= authlock
.is_xlocked_by_client(client
);
3421 bool plink
= linklock
.is_xlocked_by_client(client
);
3422 bool pxattr
= xattrlock
.is_xlocked_by_client(client
);
3424 inode_t
*oi
= &inode
;
3425 inode_t
*pi
= get_projected_inode();
3426 inode_t
*i
= (pfile
|pauth
|plink
|pxattr
) ? pi
: oi
;
3428 dout(20) << "encode_cap_message pfile " << pfile
3429 << " pauth " << pauth
<< " plink " << plink
<< " pxattr " << pxattr
3430 << " ctime " << i
->ctime
<< dendl
;
3433 m
->set_layout(i
->layout
);
3435 m
->truncate_seq
= i
->truncate_seq
;
3436 m
->truncate_size
= i
->truncate_size
;
3437 m
->mtime
= i
->mtime
;
3438 m
->atime
= i
->atime
;
3439 m
->ctime
= i
->ctime
;
3440 m
->change_attr
= i
->change_attr
;
3441 m
->time_warp_seq
= i
->time_warp_seq
;
3443 if (cap
->client_inline_version
< i
->inline_data
.version
) {
3444 m
->inline_version
= cap
->client_inline_version
= i
->inline_data
.version
;
3445 if (i
->inline_data
.length() > 0)
3446 m
->inline_data
= i
->inline_data
.get_data();
3448 m
->inline_version
= 0;
3451 // max_size is min of projected, actual.
3452 uint64_t oldms
= oi
->client_ranges
.count(client
) ? oi
->client_ranges
[client
].range
.last
: 0;
3453 uint64_t newms
= pi
->client_ranges
.count(client
) ? pi
->client_ranges
[client
].range
.last
: 0;
3454 m
->max_size
= MIN(oldms
, newms
);
3457 m
->head
.mode
= i
->mode
;
3458 m
->head
.uid
= i
->uid
;
3459 m
->head
.gid
= i
->gid
;
3462 m
->head
.nlink
= i
->nlink
;
3465 map
<string
,bufferptr
> *ix
= pxattr
? get_projected_xattrs() : &xattrs
;
3466 if ((cap
->pending() & CEPH_CAP_XATTR_SHARED
) &&
3467 i
->xattr_version
> cap
->client_xattr_version
) {
3468 dout(10) << " including xattrs v " << i
->xattr_version
<< dendl
;
3469 ::encode(*ix
, m
->xattrbl
);
3470 m
->head
.xattr_version
= i
->xattr_version
;
3471 cap
->client_xattr_version
= i
->xattr_version
;
3477 void CInode::_encode_base(bufferlist
& bl
, uint64_t features
)
3479 ::encode(first
, bl
);
3480 ::encode(inode
, bl
, features
);
3481 ::encode(symlink
, bl
);
3482 ::encode(dirfragtree
, bl
);
3483 ::encode(xattrs
, bl
);
3484 ::encode(old_inodes
, bl
, features
);
3485 ::encode(damage_flags
, bl
);
3488 void CInode::_decode_base(bufferlist::iterator
& p
)
3492 ::decode(symlink
, p
);
3493 ::decode(dirfragtree
, p
);
3494 ::decode(xattrs
, p
);
3495 ::decode(old_inodes
, p
);
3496 ::decode(damage_flags
, p
);
3500 void CInode::_encode_locks_full(bufferlist
& bl
)
3502 ::encode(authlock
, bl
);
3503 ::encode(linklock
, bl
);
3504 ::encode(dirfragtreelock
, bl
);
3505 ::encode(filelock
, bl
);
3506 ::encode(xattrlock
, bl
);
3507 ::encode(snaplock
, bl
);
3508 ::encode(nestlock
, bl
);
3509 ::encode(flocklock
, bl
);
3510 ::encode(policylock
, bl
);
3512 ::encode(loner_cap
, bl
);
3514 void CInode::_decode_locks_full(bufferlist::iterator
& p
)
3516 ::decode(authlock
, p
);
3517 ::decode(linklock
, p
);
3518 ::decode(dirfragtreelock
, p
);
3519 ::decode(filelock
, p
);
3520 ::decode(xattrlock
, p
);
3521 ::decode(snaplock
, p
);
3522 ::decode(nestlock
, p
);
3523 ::decode(flocklock
, p
);
3524 ::decode(policylock
, p
);
3526 ::decode(loner_cap
, p
);
3527 set_loner_cap(loner_cap
);
3528 want_loner_cap
= loner_cap
; // for now, we'll eval() shortly.
3531 void CInode::_encode_locks_state_for_replica(bufferlist
& bl
)
3533 authlock
.encode_state_for_replica(bl
);
3534 linklock
.encode_state_for_replica(bl
);
3535 dirfragtreelock
.encode_state_for_replica(bl
);
3536 filelock
.encode_state_for_replica(bl
);
3537 nestlock
.encode_state_for_replica(bl
);
3538 xattrlock
.encode_state_for_replica(bl
);
3539 snaplock
.encode_state_for_replica(bl
);
3540 flocklock
.encode_state_for_replica(bl
);
3541 policylock
.encode_state_for_replica(bl
);
3543 void CInode::_encode_locks_state_for_rejoin(bufferlist
& bl
, int rep
)
3545 authlock
.encode_state_for_replica(bl
);
3546 linklock
.encode_state_for_replica(bl
);
3547 dirfragtreelock
.encode_state_for_rejoin(bl
, rep
);
3548 filelock
.encode_state_for_rejoin(bl
, rep
);
3549 nestlock
.encode_state_for_rejoin(bl
, rep
);
3550 xattrlock
.encode_state_for_replica(bl
);
3551 snaplock
.encode_state_for_replica(bl
);
3552 flocklock
.encode_state_for_replica(bl
);
3553 policylock
.encode_state_for_replica(bl
);
3555 void CInode::_decode_locks_state(bufferlist::iterator
& p
, bool is_new
)
3557 authlock
.decode_state(p
, is_new
);
3558 linklock
.decode_state(p
, is_new
);
3559 dirfragtreelock
.decode_state(p
, is_new
);
3560 filelock
.decode_state(p
, is_new
);
3561 nestlock
.decode_state(p
, is_new
);
3562 xattrlock
.decode_state(p
, is_new
);
3563 snaplock
.decode_state(p
, is_new
);
3564 flocklock
.decode_state(p
, is_new
);
3565 policylock
.decode_state(p
, is_new
);
3567 void CInode::_decode_locks_rejoin(bufferlist::iterator
& p
, list
<MDSInternalContextBase
*>& waiters
,
3568 list
<SimpleLock
*>& eval_locks
)
3570 authlock
.decode_state_rejoin(p
, waiters
);
3571 linklock
.decode_state_rejoin(p
, waiters
);
3572 dirfragtreelock
.decode_state_rejoin(p
, waiters
);
3573 filelock
.decode_state_rejoin(p
, waiters
);
3574 nestlock
.decode_state_rejoin(p
, waiters
);
3575 xattrlock
.decode_state_rejoin(p
, waiters
);
3576 snaplock
.decode_state_rejoin(p
, waiters
);
3577 flocklock
.decode_state_rejoin(p
, waiters
);
3578 policylock
.decode_state_rejoin(p
, waiters
);
3580 if (!dirfragtreelock
.is_stable() && !dirfragtreelock
.is_wrlocked())
3581 eval_locks
.push_back(&dirfragtreelock
);
3582 if (!filelock
.is_stable() && !filelock
.is_wrlocked())
3583 eval_locks
.push_back(&filelock
);
3584 if (!nestlock
.is_stable() && !nestlock
.is_wrlocked())
3585 eval_locks
.push_back(&nestlock
);
3591 void CInode::encode_export(bufferlist
& bl
)
3593 ENCODE_START(5, 4, bl
);
3594 _encode_base(bl
, mdcache
->mds
->mdsmap
->get_up_features());
3596 ::encode(state
, bl
);
3600 ::encode(replica_map
, bl
);
3602 // include scatterlock info for any bounding CDirs
3603 bufferlist bounding
;
3605 for (compact_map
<frag_t
,CDir
*>::iterator p
= dirfrags
.begin();
3606 p
!= dirfrags
.end();
3608 CDir
*dir
= p
->second
;
3609 if (dir
->state_test(CDir::STATE_EXPORTBOUND
)) {
3610 ::encode(p
->first
, bounding
);
3611 ::encode(dir
->fnode
.fragstat
, bounding
);
3612 ::encode(dir
->fnode
.accounted_fragstat
, bounding
);
3613 ::encode(dir
->fnode
.rstat
, bounding
);
3614 ::encode(dir
->fnode
.accounted_rstat
, bounding
);
3615 dout(10) << " encoded fragstat/rstat info for " << *dir
<< dendl
;
3618 ::encode(bounding
, bl
);
3620 _encode_locks_full(bl
);
3622 _encode_file_locks(bl
);
3626 get(PIN_TEMPEXPORTING
);
3629 void CInode::finish_export(utime_t now
)
3631 state
&= MASK_STATE_EXPORT_KEPT
;
3636 //dirlock.clear_updated();
3640 put(PIN_TEMPEXPORTING
);
3643 void CInode::decode_import(bufferlist::iterator
& p
,
3652 state_set(STATE_AUTH
| (s
& MASK_STATE_EXPORTED
));
3658 if (is_dirty_parent()) {
3659 get(PIN_DIRTYPARENT
);
3660 _mark_dirty_parent(ls
);
3663 ::decode(pop
, ceph_clock_now(), p
);
3665 ::decode(replica_map
, p
);
3666 if (!replica_map
.empty())
3667 get(PIN_REPLICATED
);
3670 // decode fragstat info on bounding cdirs
3671 bufferlist bounding
;
3672 ::decode(bounding
, p
);
3673 bufferlist::iterator q
= bounding
.begin();
3677 CDir
*dir
= get_dirfrag(fg
);
3678 assert(dir
); // we should have all bounds open
3680 // Only take the remote's fragstat/rstat if we are non-auth for
3681 // this dirfrag AND the lock is NOT in a scattered (MIX) state.
3682 // We know lock is stable, and MIX is the only state in which
3683 // the inode auth (who sent us this data) may not have the best
3686 // HMM: Are there cases where dir->is_auth() is an insufficient
3687 // check because the dirfrag is under migration? That implies
3688 // it is frozen (and in a SYNC or LOCK state). FIXME.
3690 if (dir
->is_auth() ||
3691 filelock
.get_state() == LOCK_MIX
) {
3692 dout(10) << " skipped fragstat info for " << *dir
<< dendl
;
3697 ::decode(dir
->fnode
.fragstat
, q
);
3698 ::decode(dir
->fnode
.accounted_fragstat
, q
);
3699 dout(10) << " took fragstat info for " << *dir
<< dendl
;
3701 if (dir
->is_auth() ||
3702 nestlock
.get_state() == LOCK_MIX
) {
3703 dout(10) << " skipped rstat info for " << *dir
<< dendl
;
3708 ::decode(dir
->fnode
.rstat
, q
);
3709 ::decode(dir
->fnode
.accounted_rstat
, q
);
3710 dout(10) << " took rstat info for " << *dir
<< dendl
;
3714 _decode_locks_full(p
);
3716 _decode_file_locks(p
);
3722 void InodeStoreBase::dump(Formatter
*f
) const
3725 f
->dump_string("symlink", symlink
);
3726 f
->open_array_section("old_inodes");
3727 for (compact_map
<snapid_t
, old_inode_t
>::const_iterator i
= old_inodes
.begin();
3728 i
!= old_inodes
.end(); ++i
) {
3729 f
->open_object_section("old_inode");
3731 // The key is the last snapid, the first is in the old_inode_t
3732 f
->dump_int("last", i
->first
);
3735 f
->close_section(); // old_inode
3737 f
->close_section(); // old_inodes
3739 f
->open_object_section("dirfragtree");
3740 dirfragtree
.dump(f
);
3741 f
->close_section(); // dirfragtree
3745 void InodeStore::generate_test_instances(list
<InodeStore
*> &ls
)
3747 InodeStore
*populated
= new InodeStore
;
3748 populated
->inode
.ino
= 0xdeadbeef;
3749 populated
->symlink
= "rhubarb";
3750 ls
.push_back(populated
);
3753 void CInode::validate_disk_state(CInode::validated_data
*results
,
3754 MDSInternalContext
*fin
)
3756 class ValidationContinuation
: public MDSContinuation
{
3758 MDSInternalContext
*fin
;
3760 CInode::validated_data
*results
;
3771 ValidationContinuation(CInode
*i
,
3772 CInode::validated_data
*data_r
,
3773 MDSInternalContext
*fin_
) :
3774 MDSContinuation(i
->mdcache
->mds
->server
),
3779 set_callback(START
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_start
));
3780 set_callback(BACKTRACE
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_backtrace
));
3781 set_callback(INODE
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_inode_disk
));
3782 set_callback(DIRFRAGS
, static_cast<Continuation::stagePtr
>(&ValidationContinuation::_dirfrags
));
3785 ~ValidationContinuation() override
{
3790 * Fetch backtrace and set tag if tag is non-empty
3792 void fetch_backtrace_and_tag(CInode
*in
, std::string tag
,
3793 Context
*fin
, int *bt_r
, bufferlist
*bt
)
3795 const int64_t pool
= in
->get_backtrace_pool();
3796 object_t oid
= CInode::get_object_name(in
->ino(), frag_t(), "");
3798 ObjectOperation fetch
;
3799 fetch
.getxattr("parent", bt
, bt_r
);
3800 in
->mdcache
->mds
->objecter
->read(oid
, object_locator_t(pool
), fetch
, CEPH_NOSNAP
,
3803 ObjectOperation scrub_tag
;
3805 ::encode(tag
, tag_bl
);
3806 scrub_tag
.setxattr("scrub_tag", tag_bl
);
3808 in
->mdcache
->mds
->objecter
->mutate(oid
, object_locator_t(pool
), scrub_tag
, snapc
,
3809 ceph::real_clock::now(),
3814 bool _start(int rval
) {
3815 if (in
->is_dirty()) {
3816 MDCache
*mdcache
= in
->mdcache
;
3817 inode_t
& inode
= in
->inode
;
3818 dout(20) << "validating a dirty CInode; results will be inconclusive"
3821 if (in
->is_symlink()) {
3822 // there's nothing to do for symlinks!
3826 C_OnFinisher
*conf
= new C_OnFinisher(get_io_callback(BACKTRACE
),
3827 in
->mdcache
->mds
->finisher
);
3829 // Whether we have a tag to apply depends on ScrubHeader (if one is
3831 if (in
->scrub_infop
) {
3832 // I'm a non-orphan, so look up my ScrubHeader via my linkage
3833 const std::string
&tag
= in
->scrub_infop
->header
->get_tag();
3834 // Rather than using the usual CInode::fetch_backtrace,
3835 // use a special variant that optionally writes a tag in the same
3837 fetch_backtrace_and_tag(in
, tag
, conf
,
3838 &results
->backtrace
.ondisk_read_retval
, &bl
);
3840 // When we're invoked outside of ScrubStack we might be called
3841 // on an orphaned inode like /
3842 fetch_backtrace_and_tag(in
, {}, conf
,
3843 &results
->backtrace
.ondisk_read_retval
, &bl
);
3848 bool _backtrace(int rval
) {
3849 // set up basic result reporting and make sure we got the data
3850 results
->performed_validation
= true; // at least, some of it!
3851 results
->backtrace
.checked
= true;
3853 const int64_t pool
= in
->get_backtrace_pool();
3854 inode_backtrace_t
& memory_backtrace
= results
->backtrace
.memory_value
;
3855 in
->build_backtrace(pool
, memory_backtrace
);
3856 bool equivalent
, divergent
;
3859 MDCache
*mdcache
= in
->mdcache
; // For the benefit of dout
3860 const inode_t
& inode
= in
->inode
; // For the benefit of dout
3862 // Ignore rval because it's the result of a FAILOK operation
3863 // from fetch_backtrace_and_tag: the real result is in
3864 // backtrace.ondisk_read_retval
3865 dout(20) << "ondisk_read_retval: " << results
->backtrace
.ondisk_read_retval
<< dendl
;
3866 if (results
->backtrace
.ondisk_read_retval
!= 0) {
3867 results
->backtrace
.error_str
<< "failed to read off disk; see retval";
3871 // extract the backtrace, and compare it to a newly-constructed one
3873 bufferlist::iterator p
= bl
.begin();
3874 ::decode(results
->backtrace
.ondisk_value
, p
);
3875 dout(10) << "decoded " << bl
.length() << " bytes of backtrace successfully" << dendl
;
3876 } catch (buffer::error
&) {
3877 if (results
->backtrace
.ondisk_read_retval
== 0 && rval
!= 0) {
3878 // Cases where something has clearly gone wrong with the overall
3879 // fetch op, though we didn't get a nonzero rc from the getxattr
3880 // operation. e.g. object missing.
3881 results
->backtrace
.ondisk_read_retval
= rval
;
3883 results
->backtrace
.error_str
<< "failed to decode on-disk backtrace ("
3884 << bl
.length() << " bytes)!";
3888 memory_newer
= memory_backtrace
.compare(results
->backtrace
.ondisk_value
,
3889 &equivalent
, &divergent
);
3891 if (divergent
|| memory_newer
< 0) {
3892 // we're divergent, or on-disk version is newer
3893 results
->backtrace
.error_str
<< "On-disk backtrace is divergent or newer";
3895 results
->backtrace
.passed
= true;
3899 if (!results
->backtrace
.passed
&& in
->scrub_infop
->header
->get_repair()) {
3901 in
->make_path_string(path
);
3902 in
->mdcache
->mds
->clog
->warn() << "bad backtrace on inode " << *in
3903 << ", rewriting it at " << path
;
3904 in
->_mark_dirty_parent(in
->mdcache
->mds
->mdlog
->get_current_segment(),
3908 // If the inode's number was free in the InoTable, fix that
3911 InoTable
*inotable
= mdcache
->mds
->inotable
;
3913 dout(10) << "scrub: inotable ino = 0x" << std::hex
<< inode
.ino
<< dendl
;
3914 dout(10) << "scrub: inotable free says "
3915 << inotable
->is_marked_free(inode
.ino
) << dendl
;
3917 if (inotable
->is_marked_free(inode
.ino
)) {
3918 LogChannelRef clog
= in
->mdcache
->mds
->clog
;
3919 clog
->error() << "scrub: inode wrongly marked free: 0x" << std::hex
3922 if (in
->scrub_infop
->header
->get_repair()) {
3923 bool repaired
= inotable
->repair(inode
.ino
);
3925 clog
->error() << "inode table repaired for inode: 0x" << std::hex
3930 clog
->error() << "Cannot repair inotable while other operations"
3937 // quit if we're a file, or kick off directory checks otherwise
3938 // TODO: validate on-disk inode for non-base directories
3939 if (!in
->is_dir()) {
3943 return validate_directory_data();
3946 bool validate_directory_data() {
3947 assert(in
->is_dir());
3949 if (in
->is_base()) {
3950 shadow_in
= new CInode(in
->mdcache
);
3951 in
->mdcache
->create_unlinked_system_inode(shadow_in
,
3954 shadow_in
->fetch(get_internal_callback(INODE
));
3957 results
->inode
.passed
= true;
3958 return check_dirfrag_rstats();
3962 bool _inode_disk(int rval
) {
3963 results
->inode
.checked
= true;
3964 results
->inode
.ondisk_read_retval
= rval
;
3965 results
->inode
.ondisk_value
= shadow_in
->inode
;
3966 results
->inode
.memory_value
= in
->inode
;
3968 inode_t
& si
= shadow_in
->inode
;
3969 inode_t
& i
= in
->inode
;
3970 if (si
.version
> i
.version
) {
3972 results
->inode
.error_str
<< "On-disk inode is newer than in-memory one!";
3975 bool divergent
= false;
3976 int r
= i
.compare(si
, &divergent
);
3977 results
->inode
.passed
= !divergent
&& r
>= 0;
3978 if (!results
->inode
.passed
) {
3979 results
->inode
.error_str
<<
3980 "On-disk inode is divergent or newer than in-memory one!";
3985 return check_dirfrag_rstats();
3988 bool check_dirfrag_rstats() {
3989 MDSGatherBuilder
gather(g_ceph_context
);
3990 std::list
<frag_t
> frags
;
3991 in
->dirfragtree
.get_leaves(frags
);
3992 for (list
<frag_t
>::iterator p
= frags
.begin();
3995 CDir
*dir
= in
->get_or_open_dirfrag(in
->mdcache
, *p
);
3997 if (!dir
->scrub_infop
->header
)
3998 dir
->scrub_infop
->header
= in
->scrub_infop
->header
;
3999 if (dir
->is_complete()) {
4002 dir
->scrub_infop
->need_scrub_local
= true;
4003 dir
->fetch(gather
.new_sub(), false);
4006 if (gather
.has_subs()) {
4007 gather
.set_finisher(get_internal_callback(DIRFRAGS
));
4011 return immediate(DIRFRAGS
, 0);
4015 bool _dirfrags(int rval
) {
4016 int frags_errors
= 0;
4017 // basic reporting setup
4018 results
->raw_stats
.checked
= true;
4019 results
->raw_stats
.ondisk_read_retval
= rval
;
4021 results
->raw_stats
.memory_value
.dirstat
= in
->inode
.dirstat
;
4022 results
->raw_stats
.memory_value
.rstat
= in
->inode
.rstat
;
4023 frag_info_t
& dir_info
= results
->raw_stats
.ondisk_value
.dirstat
;
4024 nest_info_t
& nest_info
= results
->raw_stats
.ondisk_value
.rstat
;
4027 results
->raw_stats
.error_str
<< "Failed to read dirfrags off disk";
4031 // check each dirfrag...
4032 for (compact_map
<frag_t
,CDir
*>::iterator p
= in
->dirfrags
.begin();
4033 p
!= in
->dirfrags
.end();
4035 CDir
*dir
= p
->second
;
4036 assert(dir
->get_version() > 0);
4037 nest_info
.add(dir
->fnode
.accounted_rstat
);
4038 dir_info
.add(dir
->fnode
.accounted_fragstat
);
4039 if (dir
->scrub_infop
&&
4040 dir
->scrub_infop
->pending_scrub_error
) {
4041 dir
->scrub_infop
->pending_scrub_error
= false;
4042 if (dir
->scrub_infop
->header
->get_repair()) {
4043 results
->raw_stats
.error_str
4044 << "dirfrag(" << p
->first
<< ") has bad stats (will be fixed); ";
4046 results
->raw_stats
.error_str
4047 << "dirfrag(" << p
->first
<< ") has bad stats; ";
4052 nest_info
.rsubdirs
++; // it gets one to account for self
4053 // ...and that their sum matches our inode settings
4054 if (!dir_info
.same_sums(in
->inode
.dirstat
) ||
4055 !nest_info
.same_sums(in
->inode
.rstat
)) {
4056 if (in
->scrub_infop
&&
4057 in
->scrub_infop
->header
->get_repair()) {
4058 results
->raw_stats
.error_str
4059 << "freshly-calculated rstats don't match existing ones (will be fixed)";
4060 in
->mdcache
->repair_inode_stats(in
);
4062 results
->raw_stats
.error_str
4063 << "freshly-calculated rstats don't match existing ones";
4067 if (frags_errors
> 0)
4070 results
->raw_stats
.passed
= true;
4075 void _done() override
{
4076 if ((!results
->raw_stats
.checked
|| results
->raw_stats
.passed
) &&
4077 (!results
->backtrace
.checked
|| results
->backtrace
.passed
) &&
4078 (!results
->inode
.checked
|| results
->inode
.passed
))
4079 results
->passed_validation
= true;
4081 fin
->complete(get_rval());
4087 dout(10) << "scrub starting validate_disk_state on " << *this << dendl
;
4088 ValidationContinuation
*vc
= new ValidationContinuation(this,
4094 void CInode::validated_data::dump(Formatter
*f
) const
4096 f
->open_object_section("results");
4098 f
->dump_bool("performed_validation", performed_validation
);
4099 f
->dump_bool("passed_validation", passed_validation
);
4100 f
->open_object_section("backtrace");
4102 f
->dump_bool("checked", backtrace
.checked
);
4103 f
->dump_bool("passed", backtrace
.passed
);
4104 f
->dump_int("read_ret_val", backtrace
.ondisk_read_retval
);
4105 f
->dump_stream("ondisk_value") << backtrace
.ondisk_value
;
4106 f
->dump_stream("memoryvalue") << backtrace
.memory_value
;
4107 f
->dump_string("error_str", backtrace
.error_str
.str());
4109 f
->close_section(); // backtrace
4110 f
->open_object_section("raw_stats");
4112 f
->dump_bool("checked", raw_stats
.checked
);
4113 f
->dump_bool("passed", raw_stats
.passed
);
4114 f
->dump_int("read_ret_val", raw_stats
.ondisk_read_retval
);
4115 f
->dump_stream("ondisk_value.dirstat") << raw_stats
.ondisk_value
.dirstat
;
4116 f
->dump_stream("ondisk_value.rstat") << raw_stats
.ondisk_value
.rstat
;
4117 f
->dump_stream("memory_value.dirrstat") << raw_stats
.memory_value
.dirstat
;
4118 f
->dump_stream("memory_value.rstat") << raw_stats
.memory_value
.rstat
;
4119 f
->dump_string("error_str", raw_stats
.error_str
.str());
4121 f
->close_section(); // raw_stats
4122 // dump failure return code
4124 if (backtrace
.checked
&& backtrace
.ondisk_read_retval
)
4125 rc
= backtrace
.ondisk_read_retval
;
4126 if (inode
.checked
&& inode
.ondisk_read_retval
)
4127 rc
= inode
.ondisk_read_retval
;
4128 if (raw_stats
.checked
&& raw_stats
.ondisk_read_retval
)
4129 rc
= raw_stats
.ondisk_read_retval
;
4130 f
->dump_int("return_code", rc
);
4132 f
->close_section(); // results
4135 void CInode::dump(Formatter
*f
) const
4137 InodeStoreBase::dump(f
);
4139 MDSCacheObject::dump(f
);
4141 f
->open_object_section("versionlock");
4142 versionlock
.dump(f
);
4145 f
->open_object_section("authlock");
4149 f
->open_object_section("linklock");
4153 f
->open_object_section("dirfragtreelock");
4154 dirfragtreelock
.dump(f
);
4157 f
->open_object_section("filelock");
4161 f
->open_object_section("xattrlock");
4165 f
->open_object_section("snaplock");
4169 f
->open_object_section("nestlock");
4173 f
->open_object_section("flocklock");
4177 f
->open_object_section("policylock");
4181 f
->open_array_section("states");
4182 MDSCacheObject::dump_states(f
);
4183 if (state_test(STATE_EXPORTING
))
4184 f
->dump_string("state", "exporting");
4185 if (state_test(STATE_OPENINGDIR
))
4186 f
->dump_string("state", "openingdir");
4187 if (state_test(STATE_FREEZING
))
4188 f
->dump_string("state", "freezing");
4189 if (state_test(STATE_FROZEN
))
4190 f
->dump_string("state", "frozen");
4191 if (state_test(STATE_AMBIGUOUSAUTH
))
4192 f
->dump_string("state", "ambiguousauth");
4193 if (state_test(STATE_EXPORTINGCAPS
))
4194 f
->dump_string("state", "exportingcaps");
4195 if (state_test(STATE_NEEDSRECOVER
))
4196 f
->dump_string("state", "needsrecover");
4197 if (state_test(STATE_PURGING
))
4198 f
->dump_string("state", "purging");
4199 if (state_test(STATE_DIRTYPARENT
))
4200 f
->dump_string("state", "dirtyparent");
4201 if (state_test(STATE_DIRTYRSTAT
))
4202 f
->dump_string("state", "dirtyrstat");
4203 if (state_test(STATE_STRAYPINNED
))
4204 f
->dump_string("state", "straypinned");
4205 if (state_test(STATE_FROZENAUTHPIN
))
4206 f
->dump_string("state", "frozenauthpin");
4207 if (state_test(STATE_DIRTYPOOL
))
4208 f
->dump_string("state", "dirtypool");
4209 if (state_test(STATE_ORPHAN
))
4210 f
->dump_string("state", "orphan");
4211 if (state_test(STATE_MISSINGOBJS
))
4212 f
->dump_string("state", "missingobjs");
4215 f
->open_array_section("client_caps");
4216 for (map
<client_t
,Capability
*>::const_iterator it
= client_caps
.begin();
4217 it
!= client_caps
.end(); ++it
) {
4218 f
->open_object_section("client_cap");
4219 f
->dump_int("client_id", it
->first
.v
);
4220 f
->dump_string("pending", ccap_string(it
->second
->pending()));
4221 f
->dump_string("issued", ccap_string(it
->second
->issued()));
4222 f
->dump_string("wanted", ccap_string(it
->second
->wanted()));
4223 f
->dump_string("last_sent", ccap_string(it
->second
->get_last_sent()));
4228 f
->dump_int("loner", loner_cap
.v
);
4229 f
->dump_int("want_loner", want_loner_cap
.v
);
4231 f
->open_array_section("mds_caps_wanted");
4232 for (compact_map
<int,int>::const_iterator p
= mds_caps_wanted
.begin();
4233 p
!= mds_caps_wanted
.end(); ++p
) {
4234 f
->open_object_section("mds_cap_wanted");
4235 f
->dump_int("rank", p
->first
);
4236 f
->dump_string("cap", ccap_string(p
->second
));
4242 /****** Scrub Stuff *****/
4243 void CInode::scrub_info_create() const
4245 dout(25) << __func__
<< dendl
;
4246 assert(!scrub_infop
);
4248 // break out of const-land to set up implicit initial state
4249 CInode
*me
= const_cast<CInode
*>(this);
4250 inode_t
*in
= me
->get_projected_inode();
4252 scrub_info_t
*si
= new scrub_info_t();
4253 si
->scrub_start_stamp
= si
->last_scrub_stamp
= in
->last_scrub_stamp
;
4254 si
->scrub_start_version
= si
->last_scrub_version
= in
->last_scrub_version
;
4256 me
->scrub_infop
= si
;
4259 void CInode::scrub_maybe_delete_info()
4262 !scrub_infop
->scrub_in_progress
&&
4263 !scrub_infop
->last_scrub_dirty
) {
4269 void CInode::scrub_initialize(CDentry
*scrub_parent
,
4270 const ScrubHeaderRefConst
& header
,
4271 MDSInternalContextBase
*f
)
4273 dout(20) << __func__
<< " with scrub_version " << get_version() << dendl
;
4274 assert(!scrub_is_in_progress());
4277 scrub_infop
= new scrub_info_t();
4279 if (get_projected_inode()->is_dir()) {
4280 // fill in dirfrag_stamps with initial state
4281 std::list
<frag_t
> frags
;
4282 dirfragtree
.get_leaves(frags
);
4283 for (std::list
<frag_t
>::iterator i
= frags
.begin();
4286 if (header
->get_force())
4287 scrub_infop
->dirfrag_stamps
[*i
].reset();
4289 scrub_infop
->dirfrag_stamps
[*i
];
4294 scrub_parent
->get(CDentry::PIN_SCRUBPARENT
);
4295 scrub_infop
->scrub_parent
= scrub_parent
;
4296 scrub_infop
->on_finish
= f
;
4297 scrub_infop
->scrub_in_progress
= true;
4298 scrub_infop
->children_scrubbed
= false;
4299 scrub_infop
->header
= header
;
4301 scrub_infop
->scrub_start_version
= get_version();
4302 scrub_infop
->scrub_start_stamp
= ceph_clock_now();
4303 // right now we don't handle remote inodes
4306 int CInode::scrub_dirfrag_next(frag_t
* out_dirfrag
)
4308 dout(20) << __func__
<< dendl
;
4309 assert(scrub_is_in_progress());
4315 std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4316 scrub_infop
->dirfrag_stamps
.begin();
4318 while (i
!= scrub_infop
->dirfrag_stamps
.end()) {
4319 if (i
->second
.scrub_start_version
< scrub_infop
->scrub_start_version
) {
4320 i
->second
.scrub_start_version
= get_projected_version();
4321 i
->second
.scrub_start_stamp
= ceph_clock_now();
4322 *out_dirfrag
= i
->first
;
4323 dout(20) << " return frag " << *out_dirfrag
<< dendl
;
4329 dout(20) << " no frags left, ENOENT " << dendl
;
4333 void CInode::scrub_dirfrags_scrubbing(list
<frag_t
>* out_dirfrags
)
4335 assert(out_dirfrags
!= NULL
);
4336 assert(scrub_infop
!= NULL
);
4338 out_dirfrags
->clear();
4339 std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4340 scrub_infop
->dirfrag_stamps
.begin();
4342 while (i
!= scrub_infop
->dirfrag_stamps
.end()) {
4343 if (i
->second
.scrub_start_version
>= scrub_infop
->scrub_start_version
) {
4344 if (i
->second
.last_scrub_version
< scrub_infop
->scrub_start_version
)
4345 out_dirfrags
->push_back(i
->first
);
4354 void CInode::scrub_dirfrag_finished(frag_t dirfrag
)
4356 dout(20) << __func__
<< " on frag " << dirfrag
<< dendl
;
4357 assert(scrub_is_in_progress());
4359 std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4360 scrub_infop
->dirfrag_stamps
.find(dirfrag
);
4361 assert(i
!= scrub_infop
->dirfrag_stamps
.end());
4363 scrub_stamp_info_t
&si
= i
->second
;
4364 si
.last_scrub_stamp
= si
.scrub_start_stamp
;
4365 si
.last_scrub_version
= si
.scrub_start_version
;
4368 void CInode::scrub_finished(MDSInternalContextBase
**c
) {
4369 dout(20) << __func__
<< dendl
;
4370 assert(scrub_is_in_progress());
4371 for (std::map
<frag_t
, scrub_stamp_info_t
>::iterator i
=
4372 scrub_infop
->dirfrag_stamps
.begin();
4373 i
!= scrub_infop
->dirfrag_stamps
.end();
4375 if(i
->second
.last_scrub_version
!= i
->second
.scrub_start_version
) {
4376 derr
<< i
->second
.last_scrub_version
<< " != "
4377 << i
->second
.scrub_start_version
<< dendl
;
4379 assert(i
->second
.last_scrub_version
== i
->second
.scrub_start_version
);
4382 scrub_infop
->last_scrub_version
= scrub_infop
->scrub_start_version
;
4383 scrub_infop
->last_scrub_stamp
= scrub_infop
->scrub_start_stamp
;
4384 scrub_infop
->last_scrub_dirty
= true;
4385 scrub_infop
->scrub_in_progress
= false;
4387 if (scrub_infop
->scrub_parent
) {
4388 CDentry
*dn
= scrub_infop
->scrub_parent
;
4389 scrub_infop
->scrub_parent
= NULL
;
4390 dn
->dir
->scrub_dentry_finished(dn
);
4391 dn
->put(CDentry::PIN_SCRUBPARENT
);
4394 *c
= scrub_infop
->on_finish
;
4395 scrub_infop
->on_finish
= NULL
;
4397 if (scrub_infop
->header
->get_origin() == this) {
4398 // We are at the point that a tagging scrub was initiated
4399 LogChannelRef clog
= mdcache
->mds
->clog
;
4400 clog
->info() << "scrub complete with tag '" << scrub_infop
->header
->get_tag() << "'";
4404 int64_t CInode::get_backtrace_pool() const
4407 return mdcache
->mds
->mdsmap
->get_metadata_pool();
4409 // Files are required to have an explicit layout that specifies
4411 assert(inode
.layout
.pool_id
!= -1);
4412 return inode
.layout
.pool_id
;
4416 void CInode::maybe_export_pin(bool update
)
4418 if (!g_conf
->mds_bal_export_pin
)
4420 if (!is_dir() || !is_normal())
4423 mds_rank_t export_pin
= get_export_pin(false);
4424 if (export_pin
== MDS_RANK_NONE
&& !update
)
4427 if (state_test(CInode::STATE_QUEUEDEXPORTPIN
))
4431 for (auto p
= dirfrags
.begin(); p
!= dirfrags
.end(); p
++) {
4432 CDir
*dir
= p
->second
;
4433 if (!dir
->is_auth())
4435 if (export_pin
!= MDS_RANK_NONE
) {
4436 if (dir
->is_subtree_root()) {
4437 // set auxsubtree bit or export it
4438 if (!dir
->state_test(CDir::STATE_AUXSUBTREE
) ||
4439 export_pin
!= dir
->get_dir_auth().first
)
4442 // create aux subtree or export it
4446 // clear aux subtrees ?
4447 queue
= dir
->state_test(CDir::STATE_AUXSUBTREE
);
4450 state_set(CInode::STATE_QUEUEDEXPORTPIN
);
4451 mdcache
->export_pin_queue
.insert(this);
4457 void CInode::set_export_pin(mds_rank_t rank
)
4460 assert(is_projected());
4461 get_projected_inode()->export_pin
= rank
;
4462 maybe_export_pin(true);
4465 mds_rank_t
CInode::get_export_pin(bool inherit
) const
4467 /* An inode that is export pinned may not necessarily be a subtree root, we
4468 * need to traverse the parents. A base or system inode cannot be pinned.
4469 * N.B. inodes not yet linked into a dir (i.e. anonymous inodes) will not
4470 * have a parent yet.
4472 for (const CInode
*in
= this; !in
->is_base() && !in
->is_system() && in
->get_projected_parent_dn(); in
= in
->get_projected_parent_dn()->dir
->inode
) {
4473 mds_rank_t pin
= in
->get_projected_inode()->export_pin
;
4477 if (!inherit
) break;
4479 return MDS_RANK_NONE
;
4482 bool CInode::is_exportable(mds_rank_t dest
) const
4484 mds_rank_t pin
= get_export_pin();
4487 } else if (pin
>= 0) {