1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
7 #include <linux/capability.h>
11 #include "xfs_shared.h"
12 #include "xfs_format.h"
13 #include "xfs_log_format.h"
14 #include "xfs_trans_resv.h"
17 #include "xfs_mount.h"
18 #include "xfs_inode.h"
19 #include "xfs_trans.h"
20 #include "xfs_error.h"
21 #include "xfs_quota.h"
23 #include "xfs_trace.h"
24 #include "xfs_icache.h"
26 STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
27 STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
31 * Turn off quota accounting and/or enforcement for all udquots and/or
32 * gdquots. Called only at unmount time.
34 * This assumes that there are no dquots of this file system cached
35 * incore, and modifies the ondisk dquot directly. Therefore, for example,
36 * it is an error to call this twice, without purging the cache.
39 xfs_qm_scall_quotaoff(
43 struct xfs_quotainfo *q = mp->m_quotainfo;
46 uint inactivate_flags;
47 xfs_qoff_logitem_t *qoffstart;
50 * No file system can have quotas enabled on disk but not in core.
51 * Note that quota utilities (like quotaoff) _expect_
52 * errno == -EEXIST here.
54 if ((mp->m_qflags & flags) == 0)
58 flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
61 * We don't want to deal with two quotaoffs messing up each other,
62 * so we're going to serialize it. quotaoff isn't exactly a performance
64 * If quotaoff, then we must be dealing with the root filesystem.
67 mutex_lock(&q->qi_quotaofflock);
70 * If we're just turning off quota enforcement, change mp and go.
72 if ((flags & XFS_ALL_QUOTA_ACCT) == 0) {
73 mp->m_qflags &= ~(flags);
75 spin_lock(&mp->m_sb_lock);
76 mp->m_sb.sb_qflags = mp->m_qflags;
77 spin_unlock(&mp->m_sb_lock);
78 mutex_unlock(&q->qi_quotaofflock);
80 /* XXX what to do if error ? Revert back to old vals incore ? */
81 return xfs_sync_sb(mp, false);
87 * If accounting is off, we must turn enforcement off, clear the
88 * quota 'CHKD' certificate to make it known that we have to
89 * do a quotacheck the next time this quota is turned on.
91 if (flags & XFS_UQUOTA_ACCT) {
92 dqtype |= XFS_QMOPT_UQUOTA;
93 flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD);
94 inactivate_flags |= XFS_UQUOTA_ACTIVE;
96 if (flags & XFS_GQUOTA_ACCT) {
97 dqtype |= XFS_QMOPT_GQUOTA;
98 flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD);
99 inactivate_flags |= XFS_GQUOTA_ACTIVE;
101 if (flags & XFS_PQUOTA_ACCT) {
102 dqtype |= XFS_QMOPT_PQUOTA;
103 flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD);
104 inactivate_flags |= XFS_PQUOTA_ACTIVE;
108 * Nothing to do? Don't complain. This happens when we're just
109 * turning off quota enforcement.
111 if ((mp->m_qflags & flags) == 0)
115 * Write the LI_QUOTAOFF log record, and do SB changes atomically,
116 * and synchronously. If we fail to write, we should abort the
117 * operation as it cannot be recovered safely if we crash.
119 error = xfs_qm_log_quotaoff(mp, &qoffstart, flags);
124 * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
125 * to take care of the race between dqget and quotaoff. We don't take
126 * any special locks to reset these bits. All processes need to check
127 * these bits *after* taking inode lock(s) to see if the particular
128 * quota type is in the process of being turned off. If *ACTIVE, it is
129 * guaranteed that all dquot structures and all quotainode ptrs will all
130 * stay valid as long as that inode is kept locked.
132 * There is no turning back after this.
134 mp->m_qflags &= ~inactivate_flags;
137 * Give back all the dquot reference(s) held by inodes.
138 * Here we go thru every single incore inode in this file system, and
139 * do a dqrele on the i_udquot/i_gdquot that it may have.
140 * Essentially, as long as somebody has an inode locked, this guarantees
141 * that quotas will not be turned off. This is handy because in a
142 * transaction once we lock the inode(s) and check for quotaon, we can
143 * depend on the quota inodes (and other things) being valid as long as
144 * we keep the lock(s).
146 xfs_qm_dqrele_all_inodes(mp, flags);
149 * Next we make the changes in the quota flag in the mount struct.
150 * This isn't protected by a particular lock directly, because we
151 * don't want to take a mrlock every time we depend on quotas being on.
153 mp->m_qflags &= ~flags;
156 * Go through all the dquots of this file system and purge them,
157 * according to what was turned off.
159 xfs_qm_dqpurge_all(mp, dqtype);
162 * Transactions that had started before ACTIVE state bit was cleared
163 * could have logged many dquots, so they'd have higher LSNs than
164 * the first QUOTAOFF log record does. If we happen to crash when
165 * the tail of the log has gone past the QUOTAOFF record, but
166 * before the last dquot modification, those dquots __will__
167 * recover, and that's not good.
169 * So, we have QUOTAOFF start and end logitems; the start
170 * logitem won't get overwritten until the end logitem appears...
172 error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
174 /* We're screwed now. Shutdown is the only option. */
175 xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
180 * If all quotas are completely turned off, close shop.
182 if (mp->m_qflags == 0) {
183 mutex_unlock(&q->qi_quotaofflock);
184 xfs_qm_destroy_quotainfo(mp);
189 * Release our quotainode references if we don't need them anymore.
191 if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) {
192 IRELE(q->qi_uquotaip);
193 q->qi_uquotaip = NULL;
195 if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) {
196 IRELE(q->qi_gquotaip);
197 q->qi_gquotaip = NULL;
199 if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) {
200 IRELE(q->qi_pquotaip);
201 q->qi_pquotaip = NULL;
205 mutex_unlock(&q->qi_quotaofflock);
210 xfs_qm_scall_trunc_qfile(
211 struct xfs_mount *mp,
214 struct xfs_inode *ip;
215 struct xfs_trans *tp;
218 if (ino == NULLFSINO)
221 error = xfs_iget(mp, NULL, ino, 0, 0, &ip);
225 xfs_ilock(ip, XFS_IOLOCK_EXCL);
227 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp);
229 xfs_iunlock(ip, XFS_IOLOCK_EXCL);
233 xfs_ilock(ip, XFS_ILOCK_EXCL);
234 xfs_trans_ijoin(tp, ip, 0);
237 xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
239 error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0);
241 xfs_trans_cancel(tp);
245 ASSERT(ip->i_d.di_nextents == 0);
247 xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
248 error = xfs_trans_commit(tp);
251 xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
258 xfs_qm_scall_trunc_qfiles(
264 if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0 ||
265 (flags & ~XFS_DQ_ALLTYPES)) {
266 xfs_debug(mp, "%s: flags=%x m_qflags=%x",
267 __func__, flags, mp->m_qflags);
271 if (flags & XFS_DQ_USER) {
272 error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino);
276 if (flags & XFS_DQ_GROUP) {
277 error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino);
281 if (flags & XFS_DQ_PROJ)
282 error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino);
288 * Switch on (a given) quota enforcement for a filesystem. This takes
289 * effect immediately.
290 * (Switching on quota accounting must be done at mount time.)
293 xfs_qm_scall_quotaon(
300 flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
302 * Switching on quota accounting must be done at mount time.
304 flags &= ~(XFS_ALL_QUOTA_ACCT);
307 xfs_debug(mp, "%s: zero flags, m_qflags=%x",
308 __func__, mp->m_qflags);
313 * Can't enforce without accounting. We check the superblock
314 * qflags here instead of m_qflags because rootfs can have
315 * quota acct on ondisk without m_qflags' knowing.
317 if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 &&
318 (flags & XFS_UQUOTA_ENFD)) ||
319 ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
320 (flags & XFS_GQUOTA_ENFD)) ||
321 ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
322 (flags & XFS_PQUOTA_ENFD))) {
324 "%s: Can't enforce without acct, flags=%x sbflags=%x",
325 __func__, flags, mp->m_sb.sb_qflags);
329 * If everything's up to-date incore, then don't waste time.
331 if ((mp->m_qflags & flags) == flags)
335 * Change sb_qflags on disk but not incore mp->qflags
336 * if this is the root filesystem.
338 spin_lock(&mp->m_sb_lock);
339 qf = mp->m_sb.sb_qflags;
340 mp->m_sb.sb_qflags = qf | flags;
341 spin_unlock(&mp->m_sb_lock);
344 * There's nothing to change if it's the same.
346 if ((qf & flags) == flags)
349 error = xfs_sync_sb(mp, false);
353 * If we aren't trying to switch on quota enforcement, we are done.
355 if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) !=
356 (mp->m_qflags & XFS_UQUOTA_ACCT)) ||
357 ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) !=
358 (mp->m_qflags & XFS_PQUOTA_ACCT)) ||
359 ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) !=
360 (mp->m_qflags & XFS_GQUOTA_ACCT)))
363 if (! XFS_IS_QUOTA_RUNNING(mp))
367 * Switch on quota enforcement in core.
369 mutex_lock(&mp->m_quotainfo->qi_quotaofflock);
370 mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD);
371 mutex_unlock(&mp->m_quotainfo->qi_quotaofflock);
376 #define XFS_QC_MASK \
377 (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK)
380 * Adjust quota limits, and start/stop timers accordingly.
383 xfs_qm_scall_setqlim(
384 struct xfs_mount *mp,
387 struct qc_dqblk *newlim)
389 struct xfs_quotainfo *q = mp->m_quotainfo;
390 struct xfs_disk_dquot *ddq;
391 struct xfs_dquot *dqp;
392 struct xfs_trans *tp;
393 struct xfs_def_quota *defq;
395 xfs_qcnt_t hard, soft;
397 if (newlim->d_fieldmask & ~XFS_QC_MASK)
399 if ((newlim->d_fieldmask & XFS_QC_MASK) == 0)
403 * We don't want to race with a quotaoff so take the quotaoff lock.
404 * We don't hold an inode lock, so there's nothing else to stop
405 * a quotaoff from happening.
407 mutex_lock(&q->qi_quotaofflock);
410 * Get the dquot (locked) before we start, as we need to do a
411 * transaction to allocate it if it doesn't exist. Once we have the
412 * dquot, unlock it so we can start the next transaction safely. We hold
413 * a reference to the dquot, so it's safe to do this unlock/lock without
414 * it being reclaimed in the mean time.
416 error = xfs_qm_dqget(mp, id, type, true, &dqp);
418 ASSERT(error != -ENOENT);
422 defq = xfs_get_defquota(dqp, q);
425 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_qm_setqlim, 0, 0, 0, &tp);
430 xfs_trans_dqjoin(tp, dqp);
434 * Make sure that hardlimits are >= soft limits before changing.
436 hard = (newlim->d_fieldmask & QC_SPC_HARD) ?
437 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_hardlimit) :
438 be64_to_cpu(ddq->d_blk_hardlimit);
439 soft = (newlim->d_fieldmask & QC_SPC_SOFT) ?
440 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_softlimit) :
441 be64_to_cpu(ddq->d_blk_softlimit);
442 if (hard == 0 || hard >= soft) {
443 ddq->d_blk_hardlimit = cpu_to_be64(hard);
444 ddq->d_blk_softlimit = cpu_to_be64(soft);
445 xfs_dquot_set_prealloc_limits(dqp);
447 defq->bhardlimit = hard;
448 defq->bsoftlimit = soft;
451 xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft);
453 hard = (newlim->d_fieldmask & QC_RT_SPC_HARD) ?
454 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_hardlimit) :
455 be64_to_cpu(ddq->d_rtb_hardlimit);
456 soft = (newlim->d_fieldmask & QC_RT_SPC_SOFT) ?
457 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_softlimit) :
458 be64_to_cpu(ddq->d_rtb_softlimit);
459 if (hard == 0 || hard >= soft) {
460 ddq->d_rtb_hardlimit = cpu_to_be64(hard);
461 ddq->d_rtb_softlimit = cpu_to_be64(soft);
463 defq->rtbhardlimit = hard;
464 defq->rtbsoftlimit = soft;
467 xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft);
470 hard = (newlim->d_fieldmask & QC_INO_HARD) ?
471 (xfs_qcnt_t) newlim->d_ino_hardlimit :
472 be64_to_cpu(ddq->d_ino_hardlimit);
473 soft = (newlim->d_fieldmask & QC_INO_SOFT) ?
474 (xfs_qcnt_t) newlim->d_ino_softlimit :
475 be64_to_cpu(ddq->d_ino_softlimit);
476 if (hard == 0 || hard >= soft) {
477 ddq->d_ino_hardlimit = cpu_to_be64(hard);
478 ddq->d_ino_softlimit = cpu_to_be64(soft);
480 defq->ihardlimit = hard;
481 defq->isoftlimit = soft;
484 xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft);
488 * Update warnings counter(s) if requested
490 if (newlim->d_fieldmask & QC_SPC_WARNS)
491 ddq->d_bwarns = cpu_to_be16(newlim->d_spc_warns);
492 if (newlim->d_fieldmask & QC_INO_WARNS)
493 ddq->d_iwarns = cpu_to_be16(newlim->d_ino_warns);
494 if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
495 ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns);
499 * Timelimits for the super user set the relative time
500 * the other users can be over quota for this file system.
501 * If it is zero a default is used. Ditto for the default
502 * soft and hard limit values (already done, above), and
505 if (newlim->d_fieldmask & QC_SPC_TIMER) {
506 q->qi_btimelimit = newlim->d_spc_timer;
507 ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer);
509 if (newlim->d_fieldmask & QC_INO_TIMER) {
510 q->qi_itimelimit = newlim->d_ino_timer;
511 ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer);
513 if (newlim->d_fieldmask & QC_RT_SPC_TIMER) {
514 q->qi_rtbtimelimit = newlim->d_rt_spc_timer;
515 ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer);
517 if (newlim->d_fieldmask & QC_SPC_WARNS)
518 q->qi_bwarnlimit = newlim->d_spc_warns;
519 if (newlim->d_fieldmask & QC_INO_WARNS)
520 q->qi_iwarnlimit = newlim->d_ino_warns;
521 if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
522 q->qi_rtbwarnlimit = newlim->d_rt_spc_warns;
525 * If the user is now over quota, start the timelimit.
526 * The user will not be 'warned'.
527 * Note that we keep the timers ticking, whether enforcement
528 * is on or off. We don't really want to bother with iterating
529 * over all ondisk dquots and turning the timers on/off.
531 xfs_qm_adjust_dqtimers(mp, ddq);
533 dqp->dq_flags |= XFS_DQ_DIRTY;
534 xfs_trans_log_dquot(tp, dqp);
536 error = xfs_trans_commit(tp);
541 mutex_unlock(&q->qi_quotaofflock);
546 xfs_qm_log_quotaoff_end(
548 xfs_qoff_logitem_t *startqoff,
553 xfs_qoff_logitem_t *qoffi;
555 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_qm_equotaoff, 0, 0, 0, &tp);
559 qoffi = xfs_trans_get_qoff_item(tp, startqoff,
560 flags & XFS_ALL_QUOTA_ACCT);
561 xfs_trans_log_quotaoff_item(tp, qoffi);
564 * We have to make sure that the transaction is secure on disk before we
565 * return and actually stop quota accounting. So, make it synchronous.
566 * We don't care about quotoff's performance.
568 xfs_trans_set_sync(tp);
569 return xfs_trans_commit(tp);
576 xfs_qoff_logitem_t **qoffstartp,
581 xfs_qoff_logitem_t *qoffi;
585 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_qm_quotaoff, 0, 0, 0, &tp);
589 qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT);
590 xfs_trans_log_quotaoff_item(tp, qoffi);
592 spin_lock(&mp->m_sb_lock);
593 mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
594 spin_unlock(&mp->m_sb_lock);
599 * We have to make sure that the transaction is secure on disk before we
600 * return and actually stop quota accounting. So, make it synchronous.
601 * We don't care about quotoff's performance.
603 xfs_trans_set_sync(tp);
604 error = xfs_trans_commit(tp);
613 /* Fill out the quota context. */
615 xfs_qm_scall_getquota_fill_qc(
616 struct xfs_mount *mp,
618 const struct xfs_dquot *dqp,
619 struct qc_dqblk *dst)
621 memset(dst, 0, sizeof(*dst));
622 dst->d_spc_hardlimit =
623 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
624 dst->d_spc_softlimit =
625 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit));
626 dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
627 dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit);
628 dst->d_space = XFS_FSB_TO_B(mp, dqp->q_res_bcount);
629 dst->d_ino_count = dqp->q_res_icount;
630 dst->d_spc_timer = be32_to_cpu(dqp->q_core.d_btimer);
631 dst->d_ino_timer = be32_to_cpu(dqp->q_core.d_itimer);
632 dst->d_ino_warns = be16_to_cpu(dqp->q_core.d_iwarns);
633 dst->d_spc_warns = be16_to_cpu(dqp->q_core.d_bwarns);
634 dst->d_rt_spc_hardlimit =
635 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit));
636 dst->d_rt_spc_softlimit =
637 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit));
638 dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_res_rtbcount);
639 dst->d_rt_spc_timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
640 dst->d_rt_spc_warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
643 * Internally, we don't reset all the timers when quota enforcement
644 * gets turned off. No need to confuse the user level code,
645 * so return zeroes in that case.
647 if ((!XFS_IS_UQUOTA_ENFORCED(mp) &&
648 dqp->q_core.d_flags == XFS_DQ_USER) ||
649 (!XFS_IS_GQUOTA_ENFORCED(mp) &&
650 dqp->q_core.d_flags == XFS_DQ_GROUP) ||
651 (!XFS_IS_PQUOTA_ENFORCED(mp) &&
652 dqp->q_core.d_flags == XFS_DQ_PROJ)) {
653 dst->d_spc_timer = 0;
654 dst->d_ino_timer = 0;
655 dst->d_rt_spc_timer = 0;
659 if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) ||
660 (XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) ||
661 (XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) &&
662 dqp->q_core.d_id != 0) {
663 if ((dst->d_space > dst->d_spc_softlimit) &&
664 (dst->d_spc_softlimit > 0)) {
665 ASSERT(dst->d_spc_timer != 0);
667 if ((dst->d_ino_count > dst->d_ino_softlimit) &&
668 (dst->d_ino_softlimit > 0)) {
669 ASSERT(dst->d_ino_timer != 0);
675 /* Return the quota information for the dquot matching id. */
677 xfs_qm_scall_getquota(
678 struct xfs_mount *mp,
681 struct qc_dqblk *dst)
683 struct xfs_dquot *dqp;
687 * Try to get the dquot. We don't want it allocated on disk, so don't
688 * set doalloc. If it doesn't exist, we'll get ENOENT back.
690 error = xfs_qm_dqget(mp, id, type, false, &dqp);
695 * If everything's NULL, this dquot doesn't quite exist as far as
696 * our utility programs are concerned.
698 if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
703 xfs_qm_scall_getquota_fill_qc(mp, type, dqp, dst);
711 * Return the quota information for the first initialized dquot whose id
712 * is at least as high as id.
715 xfs_qm_scall_getquota_next(
716 struct xfs_mount *mp,
719 struct qc_dqblk *dst)
721 struct xfs_dquot *dqp;
724 error = xfs_qm_dqget_next(mp, *id, type, &dqp);
728 /* Fill in the ID we actually read from disk */
729 *id = be32_to_cpu(dqp->q_core.d_id);
731 xfs_qm_scall_getquota_fill_qc(mp, type, dqp, dst);
739 struct xfs_inode *ip,
743 /* skip quota inodes */
744 if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
745 ip == ip->i_mount->m_quotainfo->qi_gquotaip ||
746 ip == ip->i_mount->m_quotainfo->qi_pquotaip) {
747 ASSERT(ip->i_udquot == NULL);
748 ASSERT(ip->i_gdquot == NULL);
749 ASSERT(ip->i_pdquot == NULL);
753 xfs_ilock(ip, XFS_ILOCK_EXCL);
754 if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
755 xfs_qm_dqrele(ip->i_udquot);
758 if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) {
759 xfs_qm_dqrele(ip->i_gdquot);
762 if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) {
763 xfs_qm_dqrele(ip->i_pdquot);
766 xfs_iunlock(ip, XFS_ILOCK_EXCL);
772 * Go thru all the inodes in the file system, releasing their dquots.
774 * Note that the mount structure gets modified to indicate that quotas are off
775 * AFTER this, in the case of quotaoff.
778 xfs_qm_dqrele_all_inodes(
779 struct xfs_mount *mp,
782 ASSERT(mp->m_quotainfo);
783 xfs_inode_ag_iterator_flags(mp, xfs_dqrele_inode, flags, NULL,
784 XFS_AGITER_INEW_WAIT);