2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "xfs_trans.h"
26 #include "xfs_alloc.h"
27 #include "xfs_quota.h"
28 #include "xfs_mount.h"
29 #include "xfs_bmap_btree.h"
30 #include "xfs_ialloc_btree.h"
31 #include "xfs_dinode.h"
32 #include "xfs_inode.h"
33 #include "xfs_ialloc.h"
34 #include "xfs_itable.h"
35 #include "xfs_rtalloc.h"
36 #include "xfs_error.h"
39 #include "xfs_buf_item.h"
40 #include "xfs_trans_space.h"
41 #include "xfs_utils.h"
43 #include "xfs_trace.h"
46 * The global quota manager. There is only one of these for the entire
47 * system, _not_ one per file system. XQM keeps track of the overall
48 * quota functionality, including maintaining the freelist and hash
51 struct mutex xfs_Gqm_lock
;
52 struct xfs_qm
*xfs_Gqm
;
55 kmem_zone_t
*qm_dqzone
;
56 kmem_zone_t
*qm_dqtrxzone
;
58 STATIC
void xfs_qm_list_init(xfs_dqlist_t
*, char *, int);
59 STATIC
void xfs_qm_list_destroy(xfs_dqlist_t
*);
61 STATIC
int xfs_qm_init_quotainos(xfs_mount_t
*);
62 STATIC
int xfs_qm_init_quotainfo(xfs_mount_t
*);
63 STATIC
int xfs_qm_shake(struct shrinker
*, int, gfp_t
);
65 static struct shrinker xfs_qm_shaker
= {
66 .shrink
= xfs_qm_shake
,
67 .seeks
= DEFAULT_SEEKS
,
71 extern struct mutex qcheck_lock
;
76 xfs_qm_dquot_list_print(
82 list_for_each_entry(dqp
, &mp
->m_quotainfo
->qi_dqlist_lock
, qi_mplist
) {
83 cmn_err(CE_DEBUG
, " %d. \"%d (%s)\" "
84 "bcnt = %lld, icnt = %lld, refs = %d",
85 i
++, be32_to_cpu(dqp
->q_core
.d_id
),
86 DQFLAGTO_TYPESTR(dqp
),
87 (long long)be64_to_cpu(dqp
->q_core
.d_bcount
),
88 (long long)be64_to_cpu(dqp
->q_core
.d_icount
),
93 static void xfs_qm_dquot_list_print(struct xfs_mount
*mp
) { }
97 * Initialize the XQM structure.
98 * Note that there is not one quota manager per file system.
100 STATIC
struct xfs_qm
*
103 xfs_dqhash_t
*udqhash
, *gdqhash
;
109 * Initialize the dquot hash tables.
111 udqhash
= kmem_zalloc_greedy(&hsize
,
112 XFS_QM_HASHSIZE_LOW
* sizeof(xfs_dqhash_t
),
113 XFS_QM_HASHSIZE_HIGH
* sizeof(xfs_dqhash_t
));
117 gdqhash
= kmem_zalloc_large(hsize
);
119 goto out_free_udqhash
;
121 hsize
/= sizeof(xfs_dqhash_t
);
124 xqm
= kmem_zalloc(sizeof(xfs_qm_t
), KM_SLEEP
);
125 xqm
->qm_dqhashmask
= hsize
- 1;
126 xqm
->qm_usr_dqhtable
= udqhash
;
127 xqm
->qm_grp_dqhtable
= gdqhash
;
128 ASSERT(xqm
->qm_usr_dqhtable
!= NULL
);
129 ASSERT(xqm
->qm_grp_dqhtable
!= NULL
);
131 for (i
= 0; i
< hsize
; i
++) {
132 xfs_qm_list_init(&(xqm
->qm_usr_dqhtable
[i
]), "uxdqh", i
);
133 xfs_qm_list_init(&(xqm
->qm_grp_dqhtable
[i
]), "gxdqh", i
);
137 * Freelist of all dquots of all file systems
139 INIT_LIST_HEAD(&xqm
->qm_dqfrlist
);
140 xqm
->qm_dqfrlist_cnt
= 0;
141 mutex_init(&xqm
->qm_dqfrlist_lock
);
144 * dquot zone. we register our own low-memory callback.
147 xqm
->qm_dqzone
= kmem_zone_init(sizeof(xfs_dquot_t
),
149 qm_dqzone
= xqm
->qm_dqzone
;
151 xqm
->qm_dqzone
= qm_dqzone
;
153 register_shrinker(&xfs_qm_shaker
);
156 * The t_dqinfo portion of transactions.
159 xqm
->qm_dqtrxzone
= kmem_zone_init(sizeof(xfs_dquot_acct_t
),
161 qm_dqtrxzone
= xqm
->qm_dqtrxzone
;
163 xqm
->qm_dqtrxzone
= qm_dqtrxzone
;
165 atomic_set(&xqm
->qm_totaldquots
, 0);
166 xqm
->qm_dqfree_ratio
= XFS_QM_DQFREE_RATIO
;
169 mutex_init(&qcheck_lock
);
174 kmem_free_large(udqhash
);
180 * Destroy the global quota manager when its reference count goes to zero.
186 struct xfs_dquot
*dqp
, *n
;
190 ASSERT(xqm
->qm_nrefs
== 0);
191 unregister_shrinker(&xfs_qm_shaker
);
192 hsize
= xqm
->qm_dqhashmask
+ 1;
193 for (i
= 0; i
< hsize
; i
++) {
194 xfs_qm_list_destroy(&(xqm
->qm_usr_dqhtable
[i
]));
195 xfs_qm_list_destroy(&(xqm
->qm_grp_dqhtable
[i
]));
197 kmem_free_large(xqm
->qm_usr_dqhtable
);
198 kmem_free_large(xqm
->qm_grp_dqhtable
);
199 xqm
->qm_usr_dqhtable
= NULL
;
200 xqm
->qm_grp_dqhtable
= NULL
;
201 xqm
->qm_dqhashmask
= 0;
204 mutex_lock(&xqm
->qm_dqfrlist_lock
);
205 list_for_each_entry_safe(dqp
, n
, &xqm
->qm_dqfrlist
, q_freelist
) {
208 cmn_err(CE_DEBUG
, "FREELIST destroy 0x%p", dqp
);
210 list_del_init(&dqp
->q_freelist
);
211 xfs_Gqm
->qm_dqfrlist_cnt
--;
213 xfs_qm_dqdestroy(dqp
);
215 mutex_unlock(&xqm
->qm_dqfrlist_lock
);
216 mutex_destroy(&xqm
->qm_dqfrlist_lock
);
218 mutex_destroy(&qcheck_lock
);
224 * Called at mount time to let XQM know that another file system is
225 * starting quotas. This isn't crucial information as the individual mount
226 * structures are pretty independent, but it helps the XQM keep a
227 * global view of what's going on.
231 xfs_qm_hold_quotafs_ref(
232 struct xfs_mount
*mp
)
235 * Need to lock the xfs_Gqm structure for things like this. For example,
236 * the structure could disappear between the entry to this routine and
237 * a HOLD operation if not locked.
239 mutex_lock(&xfs_Gqm_lock
);
242 xfs_Gqm
= xfs_Gqm_init();
244 mutex_unlock(&xfs_Gqm_lock
);
250 * We can keep a list of all filesystems with quotas mounted for
251 * debugging and statistical purposes, but ...
252 * Just take a reference and get out.
255 mutex_unlock(&xfs_Gqm_lock
);
262 * Release the reference that a filesystem took at mount time,
263 * so that we know when we need to destroy the entire quota manager.
267 xfs_qm_rele_quotafs_ref(
268 struct xfs_mount
*mp
)
270 xfs_dquot_t
*dqp
, *n
;
273 ASSERT(xfs_Gqm
->qm_nrefs
> 0);
276 * Go thru the freelist and destroy all inactive dquots.
278 mutex_lock(&xfs_Gqm
->qm_dqfrlist_lock
);
280 list_for_each_entry_safe(dqp
, n
, &xfs_Gqm
->qm_dqfrlist
, q_freelist
) {
282 if (dqp
->dq_flags
& XFS_DQ_INACTIVE
) {
283 ASSERT(dqp
->q_mount
== NULL
);
284 ASSERT(! XFS_DQ_IS_DIRTY(dqp
));
285 ASSERT(list_empty(&dqp
->q_hashlist
));
286 ASSERT(list_empty(&dqp
->q_mplist
));
287 list_del_init(&dqp
->q_freelist
);
288 xfs_Gqm
->qm_dqfrlist_cnt
--;
290 xfs_qm_dqdestroy(dqp
);
295 mutex_unlock(&xfs_Gqm
->qm_dqfrlist_lock
);
298 * Destroy the entire XQM. If somebody mounts with quotaon, this'll
301 mutex_lock(&xfs_Gqm_lock
);
302 if (--xfs_Gqm
->qm_nrefs
== 0) {
303 xfs_qm_destroy(xfs_Gqm
);
306 mutex_unlock(&xfs_Gqm_lock
);
310 * Just destroy the quotainfo structure.
314 struct xfs_mount
*mp
)
316 if (mp
->m_quotainfo
) {
317 xfs_qm_dqpurge_all(mp
, XFS_QMOPT_QUOTALL
);
318 xfs_qm_destroy_quotainfo(mp
);
324 * This is called from xfs_mountfs to start quotas and initialize all
325 * necessary data structures like quotainfo. This is also responsible for
326 * running a quotacheck as necessary. We are guaranteed that the superblock
327 * is consistently read in at this point.
329 * If we fail here, the mount will continue with quota turned off. We don't
330 * need to inidicate success or failure at all.
340 * If quotas on realtime volumes is not supported, we disable
341 * quotas immediately.
343 if (mp
->m_sb
.sb_rextents
) {
345 "Cannot turn on quotas for realtime filesystem %s",
351 ASSERT(XFS_IS_QUOTA_RUNNING(mp
));
354 * Allocate the quotainfo structure inside the mount struct, and
355 * create quotainode(s), and change/rev superblock if necessary.
357 error
= xfs_qm_init_quotainfo(mp
);
360 * We must turn off quotas.
362 ASSERT(mp
->m_quotainfo
== NULL
);
367 * If any of the quotas are not consistent, do a quotacheck.
369 if (XFS_QM_NEED_QUOTACHECK(mp
)) {
370 error
= xfs_qm_quotacheck(mp
);
372 /* Quotacheck failed and disabled quotas. */
377 * If one type of quotas is off, then it will lose its
378 * quotachecked status, since we won't be doing accounting for
381 if (!XFS_IS_UQUOTA_ON(mp
))
382 mp
->m_qflags
&= ~XFS_UQUOTA_CHKD
;
383 if (!(XFS_IS_GQUOTA_ON(mp
) || XFS_IS_PQUOTA_ON(mp
)))
384 mp
->m_qflags
&= ~XFS_OQUOTA_CHKD
;
388 * We actually don't have to acquire the m_sb_lock at all.
389 * This can only be called from mount, and that's single threaded. XXX
391 spin_lock(&mp
->m_sb_lock
);
392 sbf
= mp
->m_sb
.sb_qflags
;
393 mp
->m_sb
.sb_qflags
= mp
->m_qflags
& XFS_MOUNT_QUOTA_ALL
;
394 spin_unlock(&mp
->m_sb_lock
);
396 if (sbf
!= (mp
->m_qflags
& XFS_MOUNT_QUOTA_ALL
)) {
397 if (xfs_qm_write_sb_changes(mp
, XFS_SB_QFLAGS
)) {
399 * We could only have been turning quotas off.
400 * We aren't in very good shape actually because
401 * the incore structures are convinced that quotas are
402 * off, but the on disk superblock doesn't know that !
404 ASSERT(!(XFS_IS_QUOTA_RUNNING(mp
)));
405 xfs_fs_cmn_err(CE_ALERT
, mp
,
406 "XFS mount_quotas: Superblock update failed!");
411 xfs_fs_cmn_err(CE_WARN
, mp
,
412 "Failed to initialize disk quotas.");
417 if (XFS_IS_QUOTA_ON(mp
))
418 xfs_qm_internalqcheck(mp
);
423 * Called from the vfsops layer.
426 xfs_qm_unmount_quotas(
430 * Release the dquots that root inode, et al might be holding,
431 * before we flush quotas and blow away the quotainfo structure.
433 ASSERT(mp
->m_rootip
);
434 xfs_qm_dqdetach(mp
->m_rootip
);
436 xfs_qm_dqdetach(mp
->m_rbmip
);
438 xfs_qm_dqdetach(mp
->m_rsumip
);
441 * Release the quota inodes.
443 if (mp
->m_quotainfo
) {
444 if (mp
->m_quotainfo
->qi_uquotaip
) {
445 IRELE(mp
->m_quotainfo
->qi_uquotaip
);
446 mp
->m_quotainfo
->qi_uquotaip
= NULL
;
448 if (mp
->m_quotainfo
->qi_gquotaip
) {
449 IRELE(mp
->m_quotainfo
->qi_gquotaip
);
450 mp
->m_quotainfo
->qi_gquotaip
= NULL
;
456 * Flush all dquots of the given file system to disk. The dquots are
457 * _not_ purged from memory here, just their data written to disk.
461 struct xfs_mount
*mp
,
464 struct xfs_quotainfo
*q
= mp
->m_quotainfo
;
466 struct xfs_dquot
*dqp
;
474 mutex_lock(&q
->qi_dqlist_lock
);
475 list_for_each_entry(dqp
, &q
->qi_dqlist
, q_mplist
) {
477 if (! XFS_DQ_IS_DIRTY(dqp
)) {
482 /* XXX a sentinel would be better */
483 recl
= q
->qi_dqreclaims
;
484 if (!xfs_dqflock_nowait(dqp
)) {
486 * If we can't grab the flush lock then check
487 * to see if the dquot has been flushed delayed
488 * write. If so, grab its buffer and send it
489 * out immediately. We'll be able to acquire
490 * the flush lock when the I/O completes.
492 xfs_qm_dqflock_pushbuf_wait(dqp
);
495 * Let go of the mplist lock. We don't want to hold it
496 * across a disk write.
498 mutex_unlock(&q
->qi_dqlist_lock
);
499 error
= xfs_qm_dqflush(dqp
, sync_mode
);
504 mutex_lock(&q
->qi_dqlist_lock
);
505 if (recl
!= q
->qi_dqreclaims
) {
506 mutex_unlock(&q
->qi_dqlist_lock
);
507 /* XXX restart limit */
512 mutex_unlock(&q
->qi_dqlist_lock
);
517 * Release the group dquot pointers the user dquots may be
518 * carrying around as a hint. mplist is locked on entry and exit.
521 xfs_qm_detach_gdquots(
522 struct xfs_mount
*mp
)
524 struct xfs_quotainfo
*q
= mp
->m_quotainfo
;
525 struct xfs_dquot
*dqp
, *gdqp
;
529 ASSERT(mutex_is_locked(&q
->qi_dqlist_lock
));
530 list_for_each_entry(dqp
, &q
->qi_dqlist
, q_mplist
) {
532 if ((gdqp
= dqp
->q_gdquot
)) {
534 dqp
->q_gdquot
= NULL
;
540 * Can't hold the mplist lock across a dqput.
541 * XXXmust convert to marker based iterations here.
543 nrecl
= q
->qi_dqreclaims
;
544 mutex_unlock(&q
->qi_dqlist_lock
);
547 mutex_lock(&q
->qi_dqlist_lock
);
548 if (nrecl
!= q
->qi_dqreclaims
)
555 * Go through all the incore dquots of this file system and take them
556 * off the mplist and hashlist, if the dquot type matches the dqtype
557 * parameter. This is used when turning off quota accounting for
558 * users and/or groups, as well as when the filesystem is unmounting.
562 struct xfs_mount
*mp
,
565 struct xfs_quotainfo
*q
= mp
->m_quotainfo
;
566 struct xfs_dquot
*dqp
, *n
;
574 dqtype
= (flags
& XFS_QMOPT_UQUOTA
) ? XFS_DQ_USER
: 0;
575 dqtype
|= (flags
& XFS_QMOPT_PQUOTA
) ? XFS_DQ_PROJ
: 0;
576 dqtype
|= (flags
& XFS_QMOPT_GQUOTA
) ? XFS_DQ_GROUP
: 0;
578 mutex_lock(&q
->qi_dqlist_lock
);
581 * In the first pass through all incore dquots of this filesystem,
582 * we release the group dquot pointers the user dquots may be
583 * carrying around as a hint. We need to do this irrespective of
584 * what's being turned off.
586 xfs_qm_detach_gdquots(mp
);
590 ASSERT(mutex_is_locked(&q
->qi_dqlist_lock
));
592 * Try to get rid of all of the unwanted dquots. The idea is to
593 * get them off mplist and hashlist, but leave them on freelist.
595 list_for_each_entry_safe(dqp
, n
, &q
->qi_dqlist
, q_mplist
) {
597 * It's OK to look at the type without taking dqlock here.
598 * We're holding the mplist lock here, and that's needed for
601 if ((dqp
->dq_flags
& dqtype
) == 0)
604 if (!mutex_trylock(&dqp
->q_hash
->qh_lock
)) {
605 nrecl
= q
->qi_dqreclaims
;
606 mutex_unlock(&q
->qi_dqlist_lock
);
607 mutex_lock(&dqp
->q_hash
->qh_lock
);
608 mutex_lock(&q
->qi_dqlist_lock
);
611 * XXXTheoretically, we can get into a very long
612 * ping pong game here.
613 * No one can be adding dquots to the mplist at
614 * this point, but somebody might be taking things off.
616 if (nrecl
!= q
->qi_dqreclaims
) {
617 mutex_unlock(&dqp
->q_hash
->qh_lock
);
623 * Take the dquot off the mplist and hashlist. It may remain on
624 * freelist in INACTIVE state.
626 nmisses
+= xfs_qm_dqpurge(dqp
);
628 mutex_unlock(&q
->qi_dqlist_lock
);
640 * Purge the dquot cache.
641 * None of the dquots should really be busy at this point.
643 if (mp
->m_quotainfo
) {
644 while ((ndquots
= xfs_qm_dqpurge_int(mp
, flags
))) {
657 xfs_dquot_t
*udqhint
, /* hint */
658 xfs_dquot_t
**IO_idqpp
)
663 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
667 * See if we already have it in the inode itself. IO_idqpp is
668 * &i_udquot or &i_gdquot. This made the code look weird, but
669 * made the logic a lot simpler.
673 trace_xfs_dqattach_found(dqp
);
678 * udqhint is the i_udquot field in inode, and is non-NULL only
679 * when the type arg is group/project. Its purpose is to save a
680 * lookup by dqid (xfs_qm_dqget) by caching a group dquot inside
684 ASSERT(type
== XFS_DQ_GROUP
|| type
== XFS_DQ_PROJ
);
688 * No need to take dqlock to look at the id.
690 * The ID can't change until it gets reclaimed, and it won't
691 * be reclaimed as long as we have a ref from inode and we
694 dqp
= udqhint
->q_gdquot
;
695 if (dqp
&& be32_to_cpu(dqp
->q_core
.d_id
) == id
) {
698 ASSERT(*IO_idqpp
== NULL
);
702 xfs_dqunlock(udqhint
);
707 * We can't hold a dquot lock when we call the dqget code.
708 * We'll deadlock in no time, because of (not conforming to)
709 * lock ordering - the inodelock comes before any dquot lock,
710 * and we may drop and reacquire the ilock in xfs_qm_dqget().
712 xfs_dqunlock(udqhint
);
716 * Find the dquot from somewhere. This bumps the
717 * reference count of dquot and returns it locked.
718 * This can return ENOENT if dquot didn't exist on
719 * disk and we didn't ask it to allocate;
720 * ESRCH if quotas got turned off suddenly.
722 error
= xfs_qm_dqget(ip
->i_mount
, ip
, id
, type
, XFS_QMOPT_DOWARN
, &dqp
);
726 trace_xfs_dqattach_get(dqp
);
729 * dqget may have dropped and re-acquired the ilock, but it guarantees
730 * that the dquot returned is the one that should go in the inode.
739 * Given a udquot and gdquot, attach a ptr to the group dquot in the
740 * udquot as a hint for future lookups. The idea sounds simple, but the
741 * execution isn't, because the udquot might have a group dquot attached
742 * already and getting rid of that gets us into lock ordering constraints.
743 * The process is complicated more by the fact that the dquots may or may not
744 * be locked on entry.
747 xfs_qm_dqattach_grouphint(
755 if ((tmp
= udq
->q_gdquot
)) {
761 udq
->q_gdquot
= NULL
;
763 * We can't keep any dqlocks when calling dqrele,
764 * because the freelist lock comes before dqlocks.
768 * we took a hard reference once upon a time in dqget,
769 * so give it back when the udquot no longer points at it
770 * dqput() does the unlocking of the dquot.
778 ASSERT(XFS_DQ_IS_LOCKED(udq
));
782 ASSERT(XFS_DQ_IS_LOCKED(udq
));
783 ASSERT(XFS_DQ_IS_LOCKED(gdq
));
785 * Somebody could have attached a gdquot here,
786 * when we dropped the uqlock. If so, just do nothing.
788 if (udq
->q_gdquot
== NULL
) {
799 * Given a locked inode, attach dquot(s) to it, taking U/G/P-QUOTAON
801 * If XFS_QMOPT_DQALLOC, the dquot(s) will be allocated if needed.
802 * Inode may get unlocked and relocked in here, and the caller must deal with
806 xfs_qm_dqattach_locked(
810 xfs_mount_t
*mp
= ip
->i_mount
;
814 if (!XFS_IS_QUOTA_RUNNING(mp
) ||
815 !XFS_IS_QUOTA_ON(mp
) ||
816 !XFS_NOT_DQATTACHED(mp
, ip
) ||
817 ip
->i_ino
== mp
->m_sb
.sb_uquotino
||
818 ip
->i_ino
== mp
->m_sb
.sb_gquotino
)
821 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
823 if (XFS_IS_UQUOTA_ON(mp
)) {
824 error
= xfs_qm_dqattach_one(ip
, ip
->i_d
.di_uid
, XFS_DQ_USER
,
825 flags
& XFS_QMOPT_DQALLOC
,
826 NULL
, &ip
->i_udquot
);
832 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
833 if (XFS_IS_OQUOTA_ON(mp
)) {
834 error
= XFS_IS_GQUOTA_ON(mp
) ?
835 xfs_qm_dqattach_one(ip
, ip
->i_d
.di_gid
, XFS_DQ_GROUP
,
836 flags
& XFS_QMOPT_DQALLOC
,
837 ip
->i_udquot
, &ip
->i_gdquot
) :
838 xfs_qm_dqattach_one(ip
, xfs_get_projid(ip
), XFS_DQ_PROJ
,
839 flags
& XFS_QMOPT_DQALLOC
,
840 ip
->i_udquot
, &ip
->i_gdquot
);
842 * Don't worry about the udquot that we may have
843 * attached above. It'll get detached, if not already.
851 * Attach this group quota to the user quota as a hint.
852 * This WON'T, in general, result in a thrash.
855 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
856 ASSERT(ip
->i_udquot
);
857 ASSERT(ip
->i_gdquot
);
860 * We may or may not have the i_udquot locked at this point,
861 * but this check is OK since we don't depend on the i_gdquot to
862 * be accurate 100% all the time. It is just a hint, and this
863 * will succeed in general.
865 if (ip
->i_udquot
->q_gdquot
== ip
->i_gdquot
)
868 * Attach i_gdquot to the gdquot hint inside the i_udquot.
870 xfs_qm_dqattach_grouphint(ip
->i_udquot
, ip
->i_gdquot
);
876 if (XFS_IS_UQUOTA_ON(mp
))
877 ASSERT(ip
->i_udquot
);
878 if (XFS_IS_OQUOTA_ON(mp
))
879 ASSERT(ip
->i_gdquot
);
881 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
888 struct xfs_inode
*ip
,
893 xfs_ilock(ip
, XFS_ILOCK_EXCL
);
894 error
= xfs_qm_dqattach_locked(ip
, flags
);
895 xfs_iunlock(ip
, XFS_ILOCK_EXCL
);
901 * Release dquots (and their references) if any.
902 * The inode should be locked EXCL except when this's called by
909 if (!(ip
->i_udquot
|| ip
->i_gdquot
))
912 trace_xfs_dquot_dqdetach(ip
);
914 ASSERT(ip
->i_ino
!= ip
->i_mount
->m_sb
.sb_uquotino
);
915 ASSERT(ip
->i_ino
!= ip
->i_mount
->m_sb
.sb_gquotino
);
917 xfs_qm_dqrele(ip
->i_udquot
);
921 xfs_qm_dqrele(ip
->i_gdquot
);
928 struct xfs_mount
*mp
,
931 struct xfs_quotainfo
*q
= mp
->m_quotainfo
;
933 struct xfs_dquot
*dqp
;
936 if (!XFS_IS_QUOTA_RUNNING(mp
) || !XFS_IS_QUOTA_ON(mp
))
942 mutex_lock(&q
->qi_dqlist_lock
);
944 * dqpurge_all() also takes the mplist lock and iterate thru all dquots
945 * in quotaoff. However, if the QUOTA_ACTIVE bits are not cleared
946 * when we have the mplist lock, we know that dquots will be consistent
947 * as long as we have it locked.
949 if (!XFS_IS_QUOTA_ON(mp
)) {
950 mutex_unlock(&q
->qi_dqlist_lock
);
953 ASSERT(mutex_is_locked(&q
->qi_dqlist_lock
));
954 list_for_each_entry(dqp
, &q
->qi_dqlist
, q_mplist
) {
956 * If this is vfs_sync calling, then skip the dquots that
957 * don't 'seem' to be dirty. ie. don't acquire dqlock.
958 * This is very similar to what xfs_sync does with inodes.
960 if (flags
& SYNC_TRYLOCK
) {
961 if (!XFS_DQ_IS_DIRTY(dqp
))
963 if (!xfs_qm_dqlock_nowait(dqp
))
970 * Now, find out for sure if this dquot is dirty or not.
972 if (! XFS_DQ_IS_DIRTY(dqp
)) {
977 /* XXX a sentinel would be better */
978 recl
= q
->qi_dqreclaims
;
979 if (!xfs_dqflock_nowait(dqp
)) {
980 if (flags
& SYNC_TRYLOCK
) {
985 * If we can't grab the flush lock then if the caller
986 * really wanted us to give this our best shot, so
987 * see if we can give a push to the buffer before we wait
988 * on the flush lock. At this point, we know that
989 * even though the dquot is being flushed,
990 * it has (new) dirty data.
992 xfs_qm_dqflock_pushbuf_wait(dqp
);
995 * Let go of the mplist lock. We don't want to hold it
996 * across a disk write
998 mutex_unlock(&q
->qi_dqlist_lock
);
999 error
= xfs_qm_dqflush(dqp
, flags
);
1001 if (error
&& XFS_FORCED_SHUTDOWN(mp
))
1002 return 0; /* Need to prevent umount failure */
1006 mutex_lock(&q
->qi_dqlist_lock
);
1007 if (recl
!= q
->qi_dqreclaims
) {
1008 if (++restarts
>= XFS_QM_SYNC_MAX_RESTARTS
)
1011 mutex_unlock(&q
->qi_dqlist_lock
);
1016 mutex_unlock(&q
->qi_dqlist_lock
);
1021 * The hash chains and the mplist use the same xfs_dqhash structure as
1022 * their list head, but we can take the mplist qh_lock and one of the
1023 * hash qh_locks at the same time without any problem as they aren't
1026 static struct lock_class_key xfs_quota_mplist_class
;
1029 * This initializes all the quota information that's kept in the
1033 xfs_qm_init_quotainfo(
1036 xfs_quotainfo_t
*qinf
;
1040 ASSERT(XFS_IS_QUOTA_RUNNING(mp
));
1043 * Tell XQM that we exist as soon as possible.
1045 if ((error
= xfs_qm_hold_quotafs_ref(mp
))) {
1049 qinf
= mp
->m_quotainfo
= kmem_zalloc(sizeof(xfs_quotainfo_t
), KM_SLEEP
);
1052 * See if quotainodes are setup, and if not, allocate them,
1053 * and change the superblock accordingly.
1055 if ((error
= xfs_qm_init_quotainos(mp
))) {
1057 mp
->m_quotainfo
= NULL
;
1061 INIT_LIST_HEAD(&qinf
->qi_dqlist
);
1062 mutex_init(&qinf
->qi_dqlist_lock
);
1063 lockdep_set_class(&qinf
->qi_dqlist_lock
, &xfs_quota_mplist_class
);
1065 qinf
->qi_dqreclaims
= 0;
1067 /* mutex used to serialize quotaoffs */
1068 mutex_init(&qinf
->qi_quotaofflock
);
1070 /* Precalc some constants */
1071 qinf
->qi_dqchunklen
= XFS_FSB_TO_BB(mp
, XFS_DQUOT_CLUSTER_SIZE_FSB
);
1072 ASSERT(qinf
->qi_dqchunklen
);
1073 qinf
->qi_dqperchunk
= BBTOB(qinf
->qi_dqchunklen
);
1074 do_div(qinf
->qi_dqperchunk
, sizeof(xfs_dqblk_t
));
1076 mp
->m_qflags
|= (mp
->m_sb
.sb_qflags
& XFS_ALL_QUOTA_CHKD
);
1079 * We try to get the limits from the superuser's limits fields.
1080 * This is quite hacky, but it is standard quota practice.
1081 * We look at the USR dquot with id == 0 first, but if user quotas
1082 * are not enabled we goto the GRP dquot with id == 0.
1083 * We don't really care to keep separate default limits for user
1084 * and group quotas, at least not at this point.
1086 error
= xfs_qm_dqget(mp
, NULL
, (xfs_dqid_t
)0,
1087 XFS_IS_UQUOTA_RUNNING(mp
) ? XFS_DQ_USER
:
1088 (XFS_IS_GQUOTA_RUNNING(mp
) ? XFS_DQ_GROUP
:
1090 XFS_QMOPT_DQSUSER
|XFS_QMOPT_DOWARN
,
1093 xfs_disk_dquot_t
*ddqp
= &dqp
->q_core
;
1096 * The warnings and timers set the grace period given to
1097 * a user or group before he or she can not perform any
1098 * more writing. If it is zero, a default is used.
1100 qinf
->qi_btimelimit
= ddqp
->d_btimer
?
1101 be32_to_cpu(ddqp
->d_btimer
) : XFS_QM_BTIMELIMIT
;
1102 qinf
->qi_itimelimit
= ddqp
->d_itimer
?
1103 be32_to_cpu(ddqp
->d_itimer
) : XFS_QM_ITIMELIMIT
;
1104 qinf
->qi_rtbtimelimit
= ddqp
->d_rtbtimer
?
1105 be32_to_cpu(ddqp
->d_rtbtimer
) : XFS_QM_RTBTIMELIMIT
;
1106 qinf
->qi_bwarnlimit
= ddqp
->d_bwarns
?
1107 be16_to_cpu(ddqp
->d_bwarns
) : XFS_QM_BWARNLIMIT
;
1108 qinf
->qi_iwarnlimit
= ddqp
->d_iwarns
?
1109 be16_to_cpu(ddqp
->d_iwarns
) : XFS_QM_IWARNLIMIT
;
1110 qinf
->qi_rtbwarnlimit
= ddqp
->d_rtbwarns
?
1111 be16_to_cpu(ddqp
->d_rtbwarns
) : XFS_QM_RTBWARNLIMIT
;
1112 qinf
->qi_bhardlimit
= be64_to_cpu(ddqp
->d_blk_hardlimit
);
1113 qinf
->qi_bsoftlimit
= be64_to_cpu(ddqp
->d_blk_softlimit
);
1114 qinf
->qi_ihardlimit
= be64_to_cpu(ddqp
->d_ino_hardlimit
);
1115 qinf
->qi_isoftlimit
= be64_to_cpu(ddqp
->d_ino_softlimit
);
1116 qinf
->qi_rtbhardlimit
= be64_to_cpu(ddqp
->d_rtb_hardlimit
);
1117 qinf
->qi_rtbsoftlimit
= be64_to_cpu(ddqp
->d_rtb_softlimit
);
1120 * We sent the XFS_QMOPT_DQSUSER flag to dqget because
1121 * we don't want this dquot cached. We haven't done a
1122 * quotacheck yet, and quotacheck doesn't like incore dquots.
1124 xfs_qm_dqdestroy(dqp
);
1126 qinf
->qi_btimelimit
= XFS_QM_BTIMELIMIT
;
1127 qinf
->qi_itimelimit
= XFS_QM_ITIMELIMIT
;
1128 qinf
->qi_rtbtimelimit
= XFS_QM_RTBTIMELIMIT
;
1129 qinf
->qi_bwarnlimit
= XFS_QM_BWARNLIMIT
;
1130 qinf
->qi_iwarnlimit
= XFS_QM_IWARNLIMIT
;
1131 qinf
->qi_rtbwarnlimit
= XFS_QM_RTBWARNLIMIT
;
1139 * Gets called when unmounting a filesystem or when all quotas get
1141 * This purges the quota inodes, destroys locks and frees itself.
1144 xfs_qm_destroy_quotainfo(
1147 xfs_quotainfo_t
*qi
;
1149 qi
= mp
->m_quotainfo
;
1151 ASSERT(xfs_Gqm
!= NULL
);
1154 * Release the reference that XQM kept, so that we know
1155 * when the XQM structure should be freed. We cannot assume
1156 * that xfs_Gqm is non-null after this point.
1158 xfs_qm_rele_quotafs_ref(mp
);
1160 ASSERT(list_empty(&qi
->qi_dqlist
));
1161 mutex_destroy(&qi
->qi_dqlist_lock
);
1163 if (qi
->qi_uquotaip
) {
1164 IRELE(qi
->qi_uquotaip
);
1165 qi
->qi_uquotaip
= NULL
; /* paranoia */
1167 if (qi
->qi_gquotaip
) {
1168 IRELE(qi
->qi_gquotaip
);
1169 qi
->qi_gquotaip
= NULL
;
1171 mutex_destroy(&qi
->qi_quotaofflock
);
1173 mp
->m_quotainfo
= NULL
;
1178 /* ------------------- PRIVATE STATIC FUNCTIONS ----------------------- */
1187 mutex_init(&list
->qh_lock
);
1188 INIT_LIST_HEAD(&list
->qh_list
);
1189 list
->qh_version
= 0;
1190 list
->qh_nelems
= 0;
1194 xfs_qm_list_destroy(
1197 mutex_destroy(&(list
->qh_lock
));
1201 * Create an inode and return with a reference already taken, but unlocked
1202 * This is how we create quota inodes
1215 tp
= xfs_trans_alloc(mp
, XFS_TRANS_QM_QINOCREATE
);
1216 if ((error
= xfs_trans_reserve(tp
,
1217 XFS_QM_QINOCREATE_SPACE_RES(mp
),
1218 XFS_CREATE_LOG_RES(mp
), 0,
1219 XFS_TRANS_PERM_LOG_RES
,
1220 XFS_CREATE_LOG_COUNT
))) {
1221 xfs_trans_cancel(tp
, 0);
1225 error
= xfs_dir_ialloc(&tp
, NULL
, S_IFREG
, 1, 0, 0, 1, ip
, &committed
);
1227 xfs_trans_cancel(tp
, XFS_TRANS_RELEASE_LOG_RES
|
1233 * Make the changes in the superblock, and log those too.
1234 * sbfields arg may contain fields other than *QUOTINO;
1235 * VERSIONNUM for example.
1237 spin_lock(&mp
->m_sb_lock
);
1238 if (flags
& XFS_QMOPT_SBVERSION
) {
1239 ASSERT(!xfs_sb_version_hasquota(&mp
->m_sb
));
1240 ASSERT((sbfields
& (XFS_SB_VERSIONNUM
| XFS_SB_UQUOTINO
|
1241 XFS_SB_GQUOTINO
| XFS_SB_QFLAGS
)) ==
1242 (XFS_SB_VERSIONNUM
| XFS_SB_UQUOTINO
|
1243 XFS_SB_GQUOTINO
| XFS_SB_QFLAGS
));
1245 xfs_sb_version_addquota(&mp
->m_sb
);
1246 mp
->m_sb
.sb_uquotino
= NULLFSINO
;
1247 mp
->m_sb
.sb_gquotino
= NULLFSINO
;
1249 /* qflags will get updated _after_ quotacheck */
1250 mp
->m_sb
.sb_qflags
= 0;
1252 if (flags
& XFS_QMOPT_UQUOTA
)
1253 mp
->m_sb
.sb_uquotino
= (*ip
)->i_ino
;
1255 mp
->m_sb
.sb_gquotino
= (*ip
)->i_ino
;
1256 spin_unlock(&mp
->m_sb_lock
);
1257 xfs_mod_sb(tp
, sbfields
);
1259 if ((error
= xfs_trans_commit(tp
, XFS_TRANS_RELEASE_LOG_RES
))) {
1260 xfs_fs_cmn_err(CE_ALERT
, mp
, "XFS qino_alloc failed!");
1268 xfs_qm_reset_dqcounts(
1274 xfs_disk_dquot_t
*ddq
;
1277 trace_xfs_reset_dqcounts(bp
, _RET_IP_
);
1280 * Reset all counters and timers. They'll be
1281 * started afresh by xfs_qm_quotacheck.
1284 j
= XFS_FSB_TO_B(mp
, XFS_DQUOT_CLUSTER_SIZE_FSB
);
1285 do_div(j
, sizeof(xfs_dqblk_t
));
1286 ASSERT(mp
->m_quotainfo
->qi_dqperchunk
== j
);
1288 ddq
= (xfs_disk_dquot_t
*)XFS_BUF_PTR(bp
);
1289 for (j
= 0; j
< mp
->m_quotainfo
->qi_dqperchunk
; j
++) {
1291 * Do a sanity check, and if needed, repair the dqblk. Don't
1292 * output any warnings because it's perfectly possible to
1293 * find uninitialised dquot blks. See comment in xfs_qm_dqcheck.
1295 (void) xfs_qm_dqcheck(ddq
, id
+j
, type
, XFS_QMOPT_DQREPAIR
,
1299 ddq
->d_rtbcount
= 0;
1302 ddq
->d_rtbtimer
= 0;
1305 ddq
->d_rtbwarns
= 0;
1306 ddq
= (xfs_disk_dquot_t
*) ((xfs_dqblk_t
*)ddq
+ 1);
1315 xfs_filblks_t blkcnt
,
1326 incr
= (blkcnt
> XFS_QM_MAX_DQCLUSTER_LOGSZ
) ?
1327 XFS_QM_MAX_DQCLUSTER_LOGSZ
: blkcnt
;
1328 type
= flags
& XFS_QMOPT_UQUOTA
? XFS_DQ_USER
:
1329 (flags
& XFS_QMOPT_PQUOTA
? XFS_DQ_PROJ
: XFS_DQ_GROUP
);
1333 * Blkcnt arg can be a very big number, and might even be
1334 * larger than the log itself. So, we have to break it up into
1335 * manageable-sized transactions.
1336 * Note that we don't start a permanent transaction here; we might
1337 * not be able to get a log reservation for the whole thing up front,
1338 * and we don't really care to either, because we just discard
1339 * everything if we were to crash in the middle of this loop.
1342 error
= xfs_trans_read_buf(mp
, NULL
, mp
->m_ddev_targp
,
1343 XFS_FSB_TO_DADDR(mp
, bno
),
1344 mp
->m_quotainfo
->qi_dqchunklen
, 0, &bp
);
1348 xfs_qm_reset_dqcounts(mp
, bp
, firstid
, type
);
1349 xfs_bdwrite(mp
, bp
);
1351 * goto the next block.
1354 firstid
+= mp
->m_quotainfo
->qi_dqperchunk
;
1360 * Iterate over all allocated USR/GRP/PRJ dquots in the system, calling a
1361 * caller supplied function for every chunk of dquots that we find.
1369 xfs_bmbt_irec_t
*map
;
1370 int i
, nmaps
; /* number of map entries */
1371 int error
; /* return value */
1372 xfs_fileoff_t lblkno
;
1373 xfs_filblks_t maxlblkcnt
;
1375 xfs_fsblock_t rablkno
;
1376 xfs_filblks_t rablkcnt
;
1380 * This looks racy, but we can't keep an inode lock across a
1381 * trans_reserve. But, this gets called during quotacheck, and that
1382 * happens only at mount time which is single threaded.
1384 if (qip
->i_d
.di_nblocks
== 0)
1387 map
= kmem_alloc(XFS_DQITER_MAP_SIZE
* sizeof(*map
), KM_SLEEP
);
1390 maxlblkcnt
= XFS_B_TO_FSB(mp
, (xfs_ufsize_t
)XFS_MAXIOFFSET(mp
));
1392 nmaps
= XFS_DQITER_MAP_SIZE
;
1394 * We aren't changing the inode itself. Just changing
1395 * some of its data. No new blocks are added here, and
1396 * the inode is never added to the transaction.
1398 xfs_ilock(qip
, XFS_ILOCK_SHARED
);
1399 error
= xfs_bmapi(NULL
, qip
, lblkno
,
1400 maxlblkcnt
- lblkno
,
1403 0, map
, &nmaps
, NULL
);
1404 xfs_iunlock(qip
, XFS_ILOCK_SHARED
);
1408 ASSERT(nmaps
<= XFS_DQITER_MAP_SIZE
);
1409 for (i
= 0; i
< nmaps
; i
++) {
1410 ASSERT(map
[i
].br_startblock
!= DELAYSTARTBLOCK
);
1411 ASSERT(map
[i
].br_blockcount
);
1414 lblkno
+= map
[i
].br_blockcount
;
1416 if (map
[i
].br_startblock
== HOLESTARTBLOCK
)
1419 firstid
= (xfs_dqid_t
) map
[i
].br_startoff
*
1420 mp
->m_quotainfo
->qi_dqperchunk
;
1422 * Do a read-ahead on the next extent.
1424 if ((i
+1 < nmaps
) &&
1425 (map
[i
+1].br_startblock
!= HOLESTARTBLOCK
)) {
1426 rablkcnt
= map
[i
+1].br_blockcount
;
1427 rablkno
= map
[i
+1].br_startblock
;
1428 while (rablkcnt
--) {
1429 xfs_buf_readahead(mp
->m_ddev_targp
,
1430 XFS_FSB_TO_DADDR(mp
, rablkno
),
1431 mp
->m_quotainfo
->qi_dqchunklen
);
1436 * Iterate thru all the blks in the extent and
1437 * reset the counters of all the dquots inside them.
1439 if ((error
= xfs_qm_dqiter_bufs(mp
,
1441 map
[i
].br_startblock
,
1442 map
[i
].br_blockcount
,
1450 } while (nmaps
> 0);
1458 * Called by dqusage_adjust in doing a quotacheck.
1460 * Given the inode, and a dquot id this updates both the incore dqout as well
1461 * as the buffer copy. This is so that once the quotacheck is done, we can
1462 * just log all the buffers, as opposed to logging numerous updates to
1463 * individual dquots.
1466 xfs_qm_quotacheck_dqadjust(
1467 struct xfs_inode
*ip
,
1473 struct xfs_mount
*mp
= ip
->i_mount
;
1474 struct xfs_dquot
*dqp
;
1477 error
= xfs_qm_dqget(mp
, ip
, id
, type
,
1478 XFS_QMOPT_DQALLOC
| XFS_QMOPT_DOWARN
, &dqp
);
1481 * Shouldn't be able to turn off quotas here.
1483 ASSERT(error
!= ESRCH
);
1484 ASSERT(error
!= ENOENT
);
1488 trace_xfs_dqadjust(dqp
);
1491 * Adjust the inode count and the block count to reflect this inode's
1494 be64_add_cpu(&dqp
->q_core
.d_icount
, 1);
1495 dqp
->q_res_icount
++;
1497 be64_add_cpu(&dqp
->q_core
.d_bcount
, nblks
);
1498 dqp
->q_res_bcount
+= nblks
;
1501 be64_add_cpu(&dqp
->q_core
.d_rtbcount
, rtblks
);
1502 dqp
->q_res_rtbcount
+= rtblks
;
1506 * Set default limits, adjust timers (since we changed usages)
1508 * There are no timers for the default values set in the root dquot.
1510 if (dqp
->q_core
.d_id
) {
1511 xfs_qm_adjust_dqlimits(mp
, &dqp
->q_core
);
1512 xfs_qm_adjust_dqtimers(mp
, &dqp
->q_core
);
1515 dqp
->dq_flags
|= XFS_DQ_DIRTY
;
1523 xfs_qcnt_t
*O_rtblks
)
1525 xfs_filblks_t rtblks
; /* total rt blks */
1526 xfs_extnum_t idx
; /* extent record index */
1527 xfs_ifork_t
*ifp
; /* inode fork pointer */
1528 xfs_extnum_t nextents
; /* number of extent entries */
1531 ASSERT(XFS_IS_REALTIME_INODE(ip
));
1532 ifp
= XFS_IFORK_PTR(ip
, XFS_DATA_FORK
);
1533 if (!(ifp
->if_flags
& XFS_IFEXTENTS
)) {
1534 if ((error
= xfs_iread_extents(NULL
, ip
, XFS_DATA_FORK
)))
1538 nextents
= ifp
->if_bytes
/ (uint
)sizeof(xfs_bmbt_rec_t
);
1539 for (idx
= 0; idx
< nextents
; idx
++)
1540 rtblks
+= xfs_bmbt_get_blockcount(xfs_iext_get_ext(ifp
, idx
));
1541 *O_rtblks
= (xfs_qcnt_t
)rtblks
;
1546 * callback routine supplied to bulkstat(). Given an inumber, find its
1547 * dquots and update them to account for resources taken by that inode.
1551 xfs_qm_dqusage_adjust(
1552 xfs_mount_t
*mp
, /* mount point for filesystem */
1553 xfs_ino_t ino
, /* inode number to get data for */
1554 void __user
*buffer
, /* not used */
1555 int ubsize
, /* not used */
1556 int *ubused
, /* not used */
1557 int *res
) /* result code value */
1560 xfs_qcnt_t nblks
, rtblks
= 0;
1563 ASSERT(XFS_IS_QUOTA_RUNNING(mp
));
1566 * rootino must have its resources accounted for, not so with the quota
1569 if (ino
== mp
->m_sb
.sb_uquotino
|| ino
== mp
->m_sb
.sb_gquotino
) {
1570 *res
= BULKSTAT_RV_NOTHING
;
1571 return XFS_ERROR(EINVAL
);
1575 * We don't _need_ to take the ilock EXCL. However, the xfs_qm_dqget
1576 * interface expects the inode to be exclusively locked because that's
1577 * the case in all other instances. It's OK that we do this because
1578 * quotacheck is done only at mount time.
1580 error
= xfs_iget(mp
, NULL
, ino
, 0, XFS_ILOCK_EXCL
, &ip
);
1582 *res
= BULKSTAT_RV_NOTHING
;
1586 ASSERT(ip
->i_delayed_blks
== 0);
1588 if (XFS_IS_REALTIME_INODE(ip
)) {
1590 * Walk thru the extent list and count the realtime blocks.
1592 error
= xfs_qm_get_rtblks(ip
, &rtblks
);
1597 nblks
= (xfs_qcnt_t
)ip
->i_d
.di_nblocks
- rtblks
;
1600 * Add the (disk blocks and inode) resources occupied by this
1601 * inode to its dquots. We do this adjustment in the incore dquot,
1602 * and also copy the changes to its buffer.
1603 * We don't care about putting these changes in a transaction
1604 * envelope because if we crash in the middle of a 'quotacheck'
1605 * we have to start from the beginning anyway.
1606 * Once we're done, we'll log all the dquot bufs.
1608 * The *QUOTA_ON checks below may look pretty racy, but quotachecks
1609 * and quotaoffs don't race. (Quotachecks happen at mount time only).
1611 if (XFS_IS_UQUOTA_ON(mp
)) {
1612 error
= xfs_qm_quotacheck_dqadjust(ip
, ip
->i_d
.di_uid
,
1613 XFS_DQ_USER
, nblks
, rtblks
);
1618 if (XFS_IS_GQUOTA_ON(mp
)) {
1619 error
= xfs_qm_quotacheck_dqadjust(ip
, ip
->i_d
.di_gid
,
1620 XFS_DQ_GROUP
, nblks
, rtblks
);
1625 if (XFS_IS_PQUOTA_ON(mp
)) {
1626 error
= xfs_qm_quotacheck_dqadjust(ip
, xfs_get_projid(ip
),
1627 XFS_DQ_PROJ
, nblks
, rtblks
);
1632 xfs_iunlock(ip
, XFS_ILOCK_EXCL
);
1634 *res
= BULKSTAT_RV_DIDONE
;
1638 xfs_iunlock(ip
, XFS_ILOCK_EXCL
);
1640 *res
= BULKSTAT_RV_GIVEUP
;
1645 * Walk thru all the filesystem inodes and construct a consistent view
1646 * of the disk quota world. If the quotacheck fails, disable quotas.
1652 int done
, count
, error
;
1655 xfs_inode_t
*uip
, *gip
;
1663 ASSERT(mp
->m_quotainfo
->qi_uquotaip
|| mp
->m_quotainfo
->qi_gquotaip
);
1664 ASSERT(XFS_IS_QUOTA_RUNNING(mp
));
1667 * There should be no cached dquots. The (simplistic) quotacheck
1668 * algorithm doesn't like that.
1670 ASSERT(list_empty(&mp
->m_quotainfo
->qi_dqlist
));
1672 cmn_err(CE_NOTE
, "XFS quotacheck %s: Please wait.", mp
->m_fsname
);
1675 * First we go thru all the dquots on disk, USR and GRP/PRJ, and reset
1676 * their counters to zero. We need a clean slate.
1677 * We don't log our changes till later.
1679 uip
= mp
->m_quotainfo
->qi_uquotaip
;
1681 error
= xfs_qm_dqiterate(mp
, uip
, XFS_QMOPT_UQUOTA
);
1684 flags
|= XFS_UQUOTA_CHKD
;
1687 gip
= mp
->m_quotainfo
->qi_gquotaip
;
1689 error
= xfs_qm_dqiterate(mp
, gip
, XFS_IS_GQUOTA_ON(mp
) ?
1690 XFS_QMOPT_GQUOTA
: XFS_QMOPT_PQUOTA
);
1693 flags
|= XFS_OQUOTA_CHKD
;
1698 * Iterate thru all the inodes in the file system,
1699 * adjusting the corresponding dquot counters in core.
1701 error
= xfs_bulkstat(mp
, &lastino
, &count
,
1702 xfs_qm_dqusage_adjust
,
1703 structsz
, NULL
, &done
);
1710 * We've made all the changes that we need to make incore.
1711 * Flush them down to disk buffers if everything was updated
1715 error
= xfs_qm_dqflush_all(mp
, 0);
1718 * We can get this error if we couldn't do a dquot allocation inside
1719 * xfs_qm_dqusage_adjust (via bulkstat). We don't care about the
1720 * dirty dquots that might be cached, we just want to get rid of them
1721 * and turn quotaoff. The dquots won't be attached to any of the inodes
1722 * at this point (because we intentionally didn't in dqget_noattach).
1725 xfs_qm_dqpurge_all(mp
, XFS_QMOPT_QUOTALL
);
1730 * We didn't log anything, because if we crashed, we'll have to
1731 * start the quotacheck from scratch anyway. However, we must make
1732 * sure that our dquot changes are secure before we put the
1733 * quotacheck'd stamp on the superblock. So, here we do a synchronous
1736 XFS_bflush(mp
->m_ddev_targp
);
1739 * If one type of quotas is off, then it will lose its
1740 * quotachecked status, since we won't be doing accounting for
1741 * that type anymore.
1743 mp
->m_qflags
&= ~(XFS_OQUOTA_CHKD
| XFS_UQUOTA_CHKD
);
1744 mp
->m_qflags
|= flags
;
1746 xfs_qm_dquot_list_print(mp
);
1750 cmn_err(CE_WARN
, "XFS quotacheck %s: Unsuccessful (Error %d): "
1751 "Disabling quotas.",
1752 mp
->m_fsname
, error
);
1754 * We must turn off quotas.
1756 ASSERT(mp
->m_quotainfo
!= NULL
);
1757 ASSERT(xfs_Gqm
!= NULL
);
1758 xfs_qm_destroy_quotainfo(mp
);
1759 if (xfs_mount_reset_sbqflags(mp
)) {
1760 cmn_err(CE_WARN
, "XFS quotacheck %s: "
1761 "Failed to reset quota flags.", mp
->m_fsname
);
1764 cmn_err(CE_NOTE
, "XFS quotacheck %s: Done.", mp
->m_fsname
);
1770 * This is called after the superblock has been read in and we're ready to
1771 * iget the quota inodes.
1774 xfs_qm_init_quotainos(
1777 xfs_inode_t
*uip
, *gip
;
1782 ASSERT(mp
->m_quotainfo
);
1788 * Get the uquota and gquota inodes
1790 if (xfs_sb_version_hasquota(&mp
->m_sb
)) {
1791 if (XFS_IS_UQUOTA_ON(mp
) &&
1792 mp
->m_sb
.sb_uquotino
!= NULLFSINO
) {
1793 ASSERT(mp
->m_sb
.sb_uquotino
> 0);
1794 if ((error
= xfs_iget(mp
, NULL
, mp
->m_sb
.sb_uquotino
,
1796 return XFS_ERROR(error
);
1798 if (XFS_IS_OQUOTA_ON(mp
) &&
1799 mp
->m_sb
.sb_gquotino
!= NULLFSINO
) {
1800 ASSERT(mp
->m_sb
.sb_gquotino
> 0);
1801 if ((error
= xfs_iget(mp
, NULL
, mp
->m_sb
.sb_gquotino
,
1805 return XFS_ERROR(error
);
1809 flags
|= XFS_QMOPT_SBVERSION
;
1810 sbflags
|= (XFS_SB_VERSIONNUM
| XFS_SB_UQUOTINO
|
1811 XFS_SB_GQUOTINO
| XFS_SB_QFLAGS
);
1815 * Create the two inodes, if they don't exist already. The changes
1816 * made above will get added to a transaction and logged in one of
1817 * the qino_alloc calls below. If the device is readonly,
1818 * temporarily switch to read-write to do this.
1820 if (XFS_IS_UQUOTA_ON(mp
) && uip
== NULL
) {
1821 if ((error
= xfs_qm_qino_alloc(mp
, &uip
,
1822 sbflags
| XFS_SB_UQUOTINO
,
1823 flags
| XFS_QMOPT_UQUOTA
)))
1824 return XFS_ERROR(error
);
1826 flags
&= ~XFS_QMOPT_SBVERSION
;
1828 if (XFS_IS_OQUOTA_ON(mp
) && gip
== NULL
) {
1829 flags
|= (XFS_IS_GQUOTA_ON(mp
) ?
1830 XFS_QMOPT_GQUOTA
: XFS_QMOPT_PQUOTA
);
1831 error
= xfs_qm_qino_alloc(mp
, &gip
,
1832 sbflags
| XFS_SB_GQUOTINO
, flags
);
1837 return XFS_ERROR(error
);
1841 mp
->m_quotainfo
->qi_uquotaip
= uip
;
1842 mp
->m_quotainfo
->qi_gquotaip
= gip
;
1850 * Just pop the least recently used dquot off the freelist and
1851 * recycle it. The returned dquot is locked.
1853 STATIC xfs_dquot_t
*
1854 xfs_qm_dqreclaim_one(void)
1856 xfs_dquot_t
*dqpout
;
1864 /* lockorder: hashchainlock, freelistlock, mplistlock, dqlock, dqflock */
1867 mutex_lock(&xfs_Gqm
->qm_dqfrlist_lock
);
1869 list_for_each_entry(dqp
, &xfs_Gqm
->qm_dqfrlist
, q_freelist
) {
1870 struct xfs_mount
*mp
= dqp
->q_mount
;
1874 * We are racing with dqlookup here. Naturally we don't
1875 * want to reclaim a dquot that lookup wants. We release the
1876 * freelist lock and start over, so that lookup will grab
1877 * both the dquot and the freelistlock.
1879 if (dqp
->dq_flags
& XFS_DQ_WANT
) {
1880 ASSERT(! (dqp
->dq_flags
& XFS_DQ_INACTIVE
));
1882 trace_xfs_dqreclaim_want(dqp
);
1883 XQM_STATS_INC(xqmstats
.xs_qm_dqwants
);
1890 * If the dquot is inactive, we are assured that it is
1891 * not on the mplist or the hashlist, and that makes our
1894 if (dqp
->dq_flags
& XFS_DQ_INACTIVE
) {
1896 ASSERT(! XFS_DQ_IS_DIRTY(dqp
));
1897 ASSERT(list_empty(&dqp
->q_hashlist
));
1898 ASSERT(list_empty(&dqp
->q_mplist
));
1899 list_del_init(&dqp
->q_freelist
);
1900 xfs_Gqm
->qm_dqfrlist_cnt
--;
1902 XQM_STATS_INC(xqmstats
.xs_qm_dqinact_reclaims
);
1906 ASSERT(dqp
->q_hash
);
1907 ASSERT(!list_empty(&dqp
->q_mplist
));
1910 * Try to grab the flush lock. If this dquot is in the process
1911 * of getting flushed to disk, we don't want to reclaim it.
1913 if (!xfs_dqflock_nowait(dqp
))
1917 * We have the flush lock so we know that this is not in the
1918 * process of being flushed. So, if this is dirty, flush it
1919 * DELWRI so that we don't get a freelist infested with
1922 if (XFS_DQ_IS_DIRTY(dqp
)) {
1925 trace_xfs_dqreclaim_dirty(dqp
);
1928 * We flush it delayed write, so don't bother
1929 * releasing the freelist lock.
1931 error
= xfs_qm_dqflush(dqp
, 0);
1933 xfs_fs_cmn_err(CE_WARN
, mp
,
1934 "xfs_qm_dqreclaim: dquot %p flush failed", dqp
);
1940 * We're trying to get the hashlock out of order. This races
1941 * with dqlookup; so, we giveup and goto the next dquot if
1942 * we couldn't get the hashlock. This way, we won't starve
1943 * a dqlookup process that holds the hashlock that is
1944 * waiting for the freelist lock.
1946 if (!mutex_trylock(&dqp
->q_hash
->qh_lock
)) {
1952 * This races with dquot allocation code as well as dqflush_all
1953 * and reclaim code. So, if we failed to grab the mplist lock,
1954 * giveup everything and start over.
1956 if (!mutex_trylock(&mp
->m_quotainfo
->qi_dqlist_lock
)) {
1962 ASSERT(dqp
->q_nrefs
== 0);
1963 list_del_init(&dqp
->q_mplist
);
1964 mp
->m_quotainfo
->qi_dquots
--;
1965 mp
->m_quotainfo
->qi_dqreclaims
++;
1966 list_del_init(&dqp
->q_hashlist
);
1967 dqp
->q_hash
->qh_version
++;
1968 list_del_init(&dqp
->q_freelist
);
1969 xfs_Gqm
->qm_dqfrlist_cnt
--;
1971 mutex_unlock(&mp
->m_quotainfo
->qi_dqlist_lock
);
1973 mutex_unlock(&dqp
->q_hash
->qh_lock
);
1980 if (restarts
>= XFS_QM_RECLAIM_MAX_RESTARTS
)
1983 mutex_unlock(&xfs_Gqm
->qm_dqfrlist_lock
);
1987 mutex_unlock(&xfs_Gqm
->qm_dqfrlist_lock
);
1992 * Traverse the freelist of dquots and attempt to reclaim a maximum of
1993 * 'howmany' dquots. This operation races with dqlookup(), and attempts to
1994 * favor the lookup function ...
1997 xfs_qm_shake_freelist(
2006 while (nreclaimed
< howmany
) {
2007 dqp
= xfs_qm_dqreclaim_one();
2010 xfs_qm_dqdestroy(dqp
);
2017 * The kmem_shake interface is invoked when memory is running low.
2022 struct shrinker
*shrink
,
2026 int ndqused
, nfree
, n
;
2028 if (!kmem_shake_allow(gfp_mask
))
2033 nfree
= xfs_Gqm
->qm_dqfrlist_cnt
; /* free dquots */
2034 /* incore dquots in all f/s's */
2035 ndqused
= atomic_read(&xfs_Gqm
->qm_totaldquots
) - nfree
;
2037 ASSERT(ndqused
>= 0);
2039 if (nfree
<= ndqused
&& nfree
< ndquot
)
2042 ndqused
*= xfs_Gqm
->qm_dqfree_ratio
; /* target # of free dquots */
2043 n
= nfree
- ndqused
- ndquot
; /* # over target */
2045 return xfs_qm_shake_freelist(MAX(nfree
, n
));
2049 /*------------------------------------------------------------------*/
2052 * Return a new incore dquot. Depending on the number of
2053 * dquots in the system, we either allocate a new one on the kernel heap,
2054 * or reclaim a free one.
2055 * Return value is B_TRUE if we allocated a new dquot, B_FALSE if we managed
2056 * to reclaim an existing one from the freelist.
2059 xfs_qm_dqalloc_incore(
2060 xfs_dquot_t
**O_dqpp
)
2065 * Check against high water mark to see if we want to pop
2066 * a nincompoop dquot off the freelist.
2068 if (atomic_read(&xfs_Gqm
->qm_totaldquots
) >= ndquot
) {
2070 * Try to recycle a dquot from the freelist.
2072 if ((dqp
= xfs_qm_dqreclaim_one())) {
2073 XQM_STATS_INC(xqmstats
.xs_qm_dqreclaims
);
2075 * Just zero the core here. The rest will get
2076 * reinitialized by caller. XXX we shouldn't even
2079 memset(&dqp
->q_core
, 0, sizeof(dqp
->q_core
));
2083 XQM_STATS_INC(xqmstats
.xs_qm_dqreclaim_misses
);
2087 * Allocate a brand new dquot on the kernel heap and return it
2088 * to the caller to initialize.
2090 ASSERT(xfs_Gqm
->qm_dqzone
!= NULL
);
2091 *O_dqpp
= kmem_zone_zalloc(xfs_Gqm
->qm_dqzone
, KM_SLEEP
);
2092 atomic_inc(&xfs_Gqm
->qm_totaldquots
);
2099 * Start a transaction and write the incore superblock changes to
2100 * disk. flags parameter indicates which fields have changed.
2103 xfs_qm_write_sb_changes(
2111 cmn_err(CE_NOTE
, "Writing superblock quota changes :%s", mp
->m_fsname
);
2113 tp
= xfs_trans_alloc(mp
, XFS_TRANS_QM_SBCHANGE
);
2114 if ((error
= xfs_trans_reserve(tp
, 0,
2115 mp
->m_sb
.sb_sectsize
+ 128, 0,
2117 XFS_DEFAULT_LOG_COUNT
))) {
2118 xfs_trans_cancel(tp
, 0);
2122 xfs_mod_sb(tp
, flags
);
2123 error
= xfs_trans_commit(tp
, 0);
2129 /* --------------- utility functions for vnodeops ---------------- */
2133 * Given an inode, a uid, gid and prid make sure that we have
2134 * allocated relevant dquot(s) on disk, and that we won't exceed inode
2135 * quotas by creating this file.
2136 * This also attaches dquot(s) to the given inode after locking it,
2137 * and returns the dquots corresponding to the uid and/or gid.
2139 * in : inode (unlocked)
2140 * out : udquot, gdquot with references taken and unlocked
2144 struct xfs_inode
*ip
,
2149 struct xfs_dquot
**O_udqpp
,
2150 struct xfs_dquot
**O_gdqpp
)
2152 struct xfs_mount
*mp
= ip
->i_mount
;
2153 struct xfs_dquot
*uq
, *gq
;
2157 if (!XFS_IS_QUOTA_RUNNING(mp
) || !XFS_IS_QUOTA_ON(mp
))
2160 lockflags
= XFS_ILOCK_EXCL
;
2161 xfs_ilock(ip
, lockflags
);
2163 if ((flags
& XFS_QMOPT_INHERIT
) && XFS_INHERIT_GID(ip
))
2164 gid
= ip
->i_d
.di_gid
;
2167 * Attach the dquot(s) to this inode, doing a dquot allocation
2168 * if necessary. The dquot(s) will not be locked.
2170 if (XFS_NOT_DQATTACHED(mp
, ip
)) {
2171 error
= xfs_qm_dqattach_locked(ip
, XFS_QMOPT_DQALLOC
);
2173 xfs_iunlock(ip
, lockflags
);
2179 if ((flags
& XFS_QMOPT_UQUOTA
) && XFS_IS_UQUOTA_ON(mp
)) {
2180 if (ip
->i_d
.di_uid
!= uid
) {
2182 * What we need is the dquot that has this uid, and
2183 * if we send the inode to dqget, the uid of the inode
2184 * takes priority over what's sent in the uid argument.
2185 * We must unlock inode here before calling dqget if
2186 * we're not sending the inode, because otherwise
2187 * we'll deadlock by doing trans_reserve while
2190 xfs_iunlock(ip
, lockflags
);
2191 if ((error
= xfs_qm_dqget(mp
, NULL
, (xfs_dqid_t
) uid
,
2196 ASSERT(error
!= ENOENT
);
2200 * Get the ilock in the right order.
2203 lockflags
= XFS_ILOCK_SHARED
;
2204 xfs_ilock(ip
, lockflags
);
2207 * Take an extra reference, because we'll return
2210 ASSERT(ip
->i_udquot
);
2217 if ((flags
& XFS_QMOPT_GQUOTA
) && XFS_IS_GQUOTA_ON(mp
)) {
2218 if (ip
->i_d
.di_gid
!= gid
) {
2219 xfs_iunlock(ip
, lockflags
);
2220 if ((error
= xfs_qm_dqget(mp
, NULL
, (xfs_dqid_t
)gid
,
2227 ASSERT(error
!= ENOENT
);
2231 lockflags
= XFS_ILOCK_SHARED
;
2232 xfs_ilock(ip
, lockflags
);
2234 ASSERT(ip
->i_gdquot
);
2240 } else if ((flags
& XFS_QMOPT_PQUOTA
) && XFS_IS_PQUOTA_ON(mp
)) {
2241 if (xfs_get_projid(ip
) != prid
) {
2242 xfs_iunlock(ip
, lockflags
);
2243 if ((error
= xfs_qm_dqget(mp
, NULL
, (xfs_dqid_t
)prid
,
2250 ASSERT(error
!= ENOENT
);
2254 lockflags
= XFS_ILOCK_SHARED
;
2255 xfs_ilock(ip
, lockflags
);
2257 ASSERT(ip
->i_gdquot
);
2265 trace_xfs_dquot_dqalloc(ip
);
2267 xfs_iunlock(ip
, lockflags
);
2280 * Actually transfer ownership, and do dquot modifications.
2281 * These were already reserved.
2287 xfs_dquot_t
**IO_olddq
,
2290 xfs_dquot_t
*prevdq
;
2291 uint bfield
= XFS_IS_REALTIME_INODE(ip
) ?
2292 XFS_TRANS_DQ_RTBCOUNT
: XFS_TRANS_DQ_BCOUNT
;
2295 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
2296 ASSERT(XFS_IS_QUOTA_RUNNING(ip
->i_mount
));
2301 ASSERT(prevdq
!= newdq
);
2303 xfs_trans_mod_dquot(tp
, prevdq
, bfield
, -(ip
->i_d
.di_nblocks
));
2304 xfs_trans_mod_dquot(tp
, prevdq
, XFS_TRANS_DQ_ICOUNT
, -1);
2306 /* the sparkling new dquot */
2307 xfs_trans_mod_dquot(tp
, newdq
, bfield
, ip
->i_d
.di_nblocks
);
2308 xfs_trans_mod_dquot(tp
, newdq
, XFS_TRANS_DQ_ICOUNT
, 1);
2311 * Take an extra reference, because the inode
2312 * is going to keep this dquot pointer even
2313 * after the trans_commit.
2317 xfs_dqunlock(newdq
);
2324 * Quota reservations for setattr(AT_UID|AT_GID|AT_PROJID).
2327 xfs_qm_vop_chown_reserve(
2334 xfs_mount_t
*mp
= ip
->i_mount
;
2335 uint delblks
, blkflags
, prjflags
= 0;
2336 xfs_dquot_t
*unresudq
, *unresgdq
, *delblksudq
, *delblksgdq
;
2340 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
|XFS_ILOCK_SHARED
));
2341 ASSERT(XFS_IS_QUOTA_RUNNING(mp
));
2343 delblks
= ip
->i_delayed_blks
;
2344 delblksudq
= delblksgdq
= unresudq
= unresgdq
= NULL
;
2345 blkflags
= XFS_IS_REALTIME_INODE(ip
) ?
2346 XFS_QMOPT_RES_RTBLKS
: XFS_QMOPT_RES_REGBLKS
;
2348 if (XFS_IS_UQUOTA_ON(mp
) && udqp
&&
2349 ip
->i_d
.di_uid
!= (uid_t
)be32_to_cpu(udqp
->q_core
.d_id
)) {
2352 * If there are delayed allocation blocks, then we have to
2353 * unreserve those from the old dquot, and add them to the
2357 ASSERT(ip
->i_udquot
);
2358 unresudq
= ip
->i_udquot
;
2361 if (XFS_IS_OQUOTA_ON(ip
->i_mount
) && gdqp
) {
2362 if (XFS_IS_PQUOTA_ON(ip
->i_mount
) &&
2363 xfs_get_projid(ip
) != be32_to_cpu(gdqp
->q_core
.d_id
))
2364 prjflags
= XFS_QMOPT_ENOSPC
;
2367 (XFS_IS_GQUOTA_ON(ip
->i_mount
) &&
2368 ip
->i_d
.di_gid
!= be32_to_cpu(gdqp
->q_core
.d_id
))) {
2371 ASSERT(ip
->i_gdquot
);
2372 unresgdq
= ip
->i_gdquot
;
2377 if ((error
= xfs_trans_reserve_quota_bydquots(tp
, ip
->i_mount
,
2378 delblksudq
, delblksgdq
, ip
->i_d
.di_nblocks
, 1,
2379 flags
| blkflags
| prjflags
)))
2383 * Do the delayed blks reservations/unreservations now. Since, these
2384 * are done without the help of a transaction, if a reservation fails
2385 * its previous reservations won't be automatically undone by trans
2386 * code. So, we have to do it manually here.
2390 * Do the reservations first. Unreservation can't fail.
2392 ASSERT(delblksudq
|| delblksgdq
);
2393 ASSERT(unresudq
|| unresgdq
);
2394 if ((error
= xfs_trans_reserve_quota_bydquots(NULL
, ip
->i_mount
,
2395 delblksudq
, delblksgdq
, (xfs_qcnt_t
)delblks
, 0,
2396 flags
| blkflags
| prjflags
)))
2398 xfs_trans_reserve_quota_bydquots(NULL
, ip
->i_mount
,
2399 unresudq
, unresgdq
, -((xfs_qcnt_t
)delblks
), 0,
2407 xfs_qm_vop_rename_dqattach(
2408 struct xfs_inode
**i_tab
)
2410 struct xfs_mount
*mp
= i_tab
[0]->i_mount
;
2413 if (!XFS_IS_QUOTA_RUNNING(mp
) || !XFS_IS_QUOTA_ON(mp
))
2416 for (i
= 0; (i
< 4 && i_tab
[i
]); i
++) {
2417 struct xfs_inode
*ip
= i_tab
[i
];
2421 * Watch out for duplicate entries in the table.
2423 if (i
== 0 || ip
!= i_tab
[i
-1]) {
2424 if (XFS_NOT_DQATTACHED(mp
, ip
)) {
2425 error
= xfs_qm_dqattach(ip
, 0);
2435 xfs_qm_vop_create_dqattach(
2436 struct xfs_trans
*tp
,
2437 struct xfs_inode
*ip
,
2438 struct xfs_dquot
*udqp
,
2439 struct xfs_dquot
*gdqp
)
2441 struct xfs_mount
*mp
= tp
->t_mountp
;
2443 if (!XFS_IS_QUOTA_RUNNING(mp
) || !XFS_IS_QUOTA_ON(mp
))
2446 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
2447 ASSERT(XFS_IS_QUOTA_RUNNING(mp
));
2453 ASSERT(ip
->i_udquot
== NULL
);
2454 ip
->i_udquot
= udqp
;
2455 ASSERT(XFS_IS_UQUOTA_ON(mp
));
2456 ASSERT(ip
->i_d
.di_uid
== be32_to_cpu(udqp
->q_core
.d_id
));
2457 xfs_trans_mod_dquot(tp
, udqp
, XFS_TRANS_DQ_ICOUNT
, 1);
2463 ASSERT(ip
->i_gdquot
== NULL
);
2464 ip
->i_gdquot
= gdqp
;
2465 ASSERT(XFS_IS_OQUOTA_ON(mp
));
2466 ASSERT((XFS_IS_GQUOTA_ON(mp
) ?
2467 ip
->i_d
.di_gid
: xfs_get_projid(ip
)) ==
2468 be32_to_cpu(gdqp
->q_core
.d_id
));
2469 xfs_trans_mod_dquot(tp
, gdqp
, XFS_TRANS_DQ_ICOUNT
, 1);