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
19 #include <linux/capability.h>
23 #include "xfs_shared.h"
24 #include "xfs_format.h"
25 #include "xfs_log_format.h"
26 #include "xfs_trans_resv.h"
29 #include "xfs_mount.h"
30 #include "xfs_inode.h"
31 #include "xfs_trans.h"
32 #include "xfs_error.h"
33 #include "xfs_quota.h"
35 #include "xfs_trace.h"
36 #include "xfs_icache.h"
38 STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
39 STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
41 STATIC uint xfs_qm_export_flags(uint);
44 * Turn off quota accounting and/or enforcement for all udquots and/or
45 * gdquots. Called only at unmount time.
47 * This assumes that there are no dquots of this file system cached
48 * incore, and modifies the ondisk dquot directly. Therefore, for example,
49 * it is an error to call this twice, without purging the cache.
52 xfs_qm_scall_quotaoff(
56 struct xfs_quotainfo *q = mp->m_quotainfo;
59 uint inactivate_flags;
60 xfs_qoff_logitem_t *qoffstart;
63 * No file system can have quotas enabled on disk but not in core.
64 * Note that quota utilities (like quotaoff) _expect_
65 * errno == -EEXIST here.
67 if ((mp->m_qflags & flags) == 0)
71 flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
74 * We don't want to deal with two quotaoffs messing up each other,
75 * so we're going to serialize it. quotaoff isn't exactly a performance
77 * If quotaoff, then we must be dealing with the root filesystem.
80 mutex_lock(&q->qi_quotaofflock);
83 * If we're just turning off quota enforcement, change mp and go.
85 if ((flags & XFS_ALL_QUOTA_ACCT) == 0) {
86 mp->m_qflags &= ~(flags);
88 spin_lock(&mp->m_sb_lock);
89 mp->m_sb.sb_qflags = mp->m_qflags;
90 spin_unlock(&mp->m_sb_lock);
91 mutex_unlock(&q->qi_quotaofflock);
93 /* XXX what to do if error ? Revert back to old vals incore ? */
94 return xfs_sync_sb(mp, false);
100 * If accounting is off, we must turn enforcement off, clear the
101 * quota 'CHKD' certificate to make it known that we have to
102 * do a quotacheck the next time this quota is turned on.
104 if (flags & XFS_UQUOTA_ACCT) {
105 dqtype |= XFS_QMOPT_UQUOTA;
106 flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD);
107 inactivate_flags |= XFS_UQUOTA_ACTIVE;
109 if (flags & XFS_GQUOTA_ACCT) {
110 dqtype |= XFS_QMOPT_GQUOTA;
111 flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD);
112 inactivate_flags |= XFS_GQUOTA_ACTIVE;
114 if (flags & XFS_PQUOTA_ACCT) {
115 dqtype |= XFS_QMOPT_PQUOTA;
116 flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD);
117 inactivate_flags |= XFS_PQUOTA_ACTIVE;
121 * Nothing to do? Don't complain. This happens when we're just
122 * turning off quota enforcement.
124 if ((mp->m_qflags & flags) == 0)
128 * Write the LI_QUOTAOFF log record, and do SB changes atomically,
129 * and synchronously. If we fail to write, we should abort the
130 * operation as it cannot be recovered safely if we crash.
132 error = xfs_qm_log_quotaoff(mp, &qoffstart, flags);
137 * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
138 * to take care of the race between dqget and quotaoff. We don't take
139 * any special locks to reset these bits. All processes need to check
140 * these bits *after* taking inode lock(s) to see if the particular
141 * quota type is in the process of being turned off. If *ACTIVE, it is
142 * guaranteed that all dquot structures and all quotainode ptrs will all
143 * stay valid as long as that inode is kept locked.
145 * There is no turning back after this.
147 mp->m_qflags &= ~inactivate_flags;
150 * Give back all the dquot reference(s) held by inodes.
151 * Here we go thru every single incore inode in this file system, and
152 * do a dqrele on the i_udquot/i_gdquot that it may have.
153 * Essentially, as long as somebody has an inode locked, this guarantees
154 * that quotas will not be turned off. This is handy because in a
155 * transaction once we lock the inode(s) and check for quotaon, we can
156 * depend on the quota inodes (and other things) being valid as long as
157 * we keep the lock(s).
159 xfs_qm_dqrele_all_inodes(mp, flags);
162 * Next we make the changes in the quota flag in the mount struct.
163 * This isn't protected by a particular lock directly, because we
164 * don't want to take a mrlock every time we depend on quotas being on.
166 mp->m_qflags &= ~flags;
169 * Go through all the dquots of this file system and purge them,
170 * according to what was turned off.
172 xfs_qm_dqpurge_all(mp, dqtype);
175 * Transactions that had started before ACTIVE state bit was cleared
176 * could have logged many dquots, so they'd have higher LSNs than
177 * the first QUOTAOFF log record does. If we happen to crash when
178 * the tail of the log has gone past the QUOTAOFF record, but
179 * before the last dquot modification, those dquots __will__
180 * recover, and that's not good.
182 * So, we have QUOTAOFF start and end logitems; the start
183 * logitem won't get overwritten until the end logitem appears...
185 error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
187 /* We're screwed now. Shutdown is the only option. */
188 xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
193 * If all quotas are completely turned off, close shop.
195 if (mp->m_qflags == 0) {
196 mutex_unlock(&q->qi_quotaofflock);
197 xfs_qm_destroy_quotainfo(mp);
202 * Release our quotainode references if we don't need them anymore.
204 if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) {
205 IRELE(q->qi_uquotaip);
206 q->qi_uquotaip = NULL;
208 if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) {
209 IRELE(q->qi_gquotaip);
210 q->qi_gquotaip = NULL;
212 if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) {
213 IRELE(q->qi_pquotaip);
214 q->qi_pquotaip = NULL;
218 mutex_unlock(&q->qi_quotaofflock);
223 xfs_qm_scall_trunc_qfile(
224 struct xfs_mount *mp,
227 struct xfs_inode *ip;
228 struct xfs_trans *tp;
231 if (ino == NULLFSINO)
234 error = xfs_iget(mp, NULL, ino, 0, 0, &ip);
238 xfs_ilock(ip, XFS_IOLOCK_EXCL);
240 tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE);
241 error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0);
243 xfs_trans_cancel(tp, 0);
244 xfs_iunlock(ip, XFS_IOLOCK_EXCL);
248 xfs_ilock(ip, XFS_ILOCK_EXCL);
249 xfs_trans_ijoin(tp, ip, 0);
252 xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
254 error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0);
256 xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES |
261 ASSERT(ip->i_d.di_nextents == 0);
263 xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
264 error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
267 xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
274 xfs_qm_scall_trunc_qfiles(
280 if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0 ||
281 (flags & ~XFS_DQ_ALLTYPES)) {
282 xfs_debug(mp, "%s: flags=%x m_qflags=%x",
283 __func__, flags, mp->m_qflags);
287 if (flags & XFS_DQ_USER) {
288 error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino);
292 if (flags & XFS_DQ_GROUP) {
293 error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino);
297 if (flags & XFS_DQ_PROJ)
298 error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino);
304 * Switch on (a given) quota enforcement for a filesystem. This takes
305 * effect immediately.
306 * (Switching on quota accounting must be done at mount time.)
309 xfs_qm_scall_quotaon(
316 flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
318 * Switching on quota accounting must be done at mount time.
320 flags &= ~(XFS_ALL_QUOTA_ACCT);
323 xfs_debug(mp, "%s: zero flags, m_qflags=%x",
324 __func__, mp->m_qflags);
329 * Can't enforce without accounting. We check the superblock
330 * qflags here instead of m_qflags because rootfs can have
331 * quota acct on ondisk without m_qflags' knowing.
333 if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 &&
334 (flags & XFS_UQUOTA_ENFD)) ||
335 ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
336 (flags & XFS_GQUOTA_ENFD)) ||
337 ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
338 (flags & XFS_PQUOTA_ENFD))) {
340 "%s: Can't enforce without acct, flags=%x sbflags=%x",
341 __func__, flags, mp->m_sb.sb_qflags);
345 * If everything's up to-date incore, then don't waste time.
347 if ((mp->m_qflags & flags) == flags)
351 * Change sb_qflags on disk but not incore mp->qflags
352 * if this is the root filesystem.
354 spin_lock(&mp->m_sb_lock);
355 qf = mp->m_sb.sb_qflags;
356 mp->m_sb.sb_qflags = qf | flags;
357 spin_unlock(&mp->m_sb_lock);
360 * There's nothing to change if it's the same.
362 if ((qf & flags) == flags)
365 error = xfs_sync_sb(mp, false);
369 * If we aren't trying to switch on quota enforcement, we are done.
371 if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) !=
372 (mp->m_qflags & XFS_UQUOTA_ACCT)) ||
373 ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) !=
374 (mp->m_qflags & XFS_PQUOTA_ACCT)) ||
375 ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) !=
376 (mp->m_qflags & XFS_GQUOTA_ACCT)))
379 if (! XFS_IS_QUOTA_RUNNING(mp))
383 * Switch on quota enforcement in core.
385 mutex_lock(&mp->m_quotainfo->qi_quotaofflock);
386 mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD);
387 mutex_unlock(&mp->m_quotainfo->qi_quotaofflock);
394 * Return quota status information, such as uquota-off, enforcements, etc.
395 * for Q_XGETQSTAT command.
398 xfs_qm_scall_getqstat(
399 struct xfs_mount *mp,
400 struct fs_quota_stat *out)
402 struct xfs_quotainfo *q = mp->m_quotainfo;
403 struct xfs_inode *uip = NULL;
404 struct xfs_inode *gip = NULL;
405 struct xfs_inode *pip = NULL;
406 bool tempuqip = false;
407 bool tempgqip = false;
408 bool temppqip = false;
410 memset(out, 0, sizeof(fs_quota_stat_t));
412 out->qs_version = FS_QSTAT_VERSION;
413 out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
415 XFS_ALL_QUOTA_ENFD));
416 uip = q->qi_uquotaip;
417 gip = q->qi_gquotaip;
418 pip = q->qi_pquotaip;
419 if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
420 if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
424 if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {
425 if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
430 * Q_XGETQSTAT doesn't have room for both group and project quotas.
431 * So, allow the project quota values to be copied out only if
432 * there is no group quota information available.
435 if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) {
436 if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino,
443 out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
444 out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
445 out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
451 out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
452 out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
453 out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
458 out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
459 out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks;
460 out->qs_gquota.qfs_nextents = pip->i_d.di_nextents;
464 out->qs_incoredqs = q->qi_dquots;
465 out->qs_btimelimit = q->qi_btimelimit;
466 out->qs_itimelimit = q->qi_itimelimit;
467 out->qs_rtbtimelimit = q->qi_rtbtimelimit;
468 out->qs_bwarnlimit = q->qi_bwarnlimit;
469 out->qs_iwarnlimit = q->qi_iwarnlimit;
475 * Return quota status information, such as uquota-off, enforcements, etc.
476 * for Q_XGETQSTATV command, to support separate project quota field.
479 xfs_qm_scall_getqstatv(
480 struct xfs_mount *mp,
481 struct fs_quota_statv *out)
483 struct xfs_quotainfo *q = mp->m_quotainfo;
484 struct xfs_inode *uip = NULL;
485 struct xfs_inode *gip = NULL;
486 struct xfs_inode *pip = NULL;
487 bool tempuqip = false;
488 bool tempgqip = false;
489 bool temppqip = false;
491 out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
493 XFS_ALL_QUOTA_ENFD));
494 out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
495 out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
496 out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino;
498 uip = q->qi_uquotaip;
499 gip = q->qi_gquotaip;
500 pip = q->qi_pquotaip;
501 if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
502 if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
506 if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {
507 if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
511 if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) {
512 if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino,
517 out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
518 out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
524 out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
525 out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
530 out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks;
531 out->qs_pquota.qfs_nextents = pip->i_d.di_nextents;
535 out->qs_incoredqs = q->qi_dquots;
536 out->qs_btimelimit = q->qi_btimelimit;
537 out->qs_itimelimit = q->qi_itimelimit;
538 out->qs_rtbtimelimit = q->qi_rtbtimelimit;
539 out->qs_bwarnlimit = q->qi_bwarnlimit;
540 out->qs_iwarnlimit = q->qi_iwarnlimit;
545 #define XFS_QC_MASK \
546 (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK)
549 * Adjust quota limits, and start/stop timers accordingly.
552 xfs_qm_scall_setqlim(
553 struct xfs_mount *mp,
556 struct qc_dqblk *newlim)
558 struct xfs_quotainfo *q = mp->m_quotainfo;
559 struct xfs_disk_dquot *ddq;
560 struct xfs_dquot *dqp;
561 struct xfs_trans *tp;
563 xfs_qcnt_t hard, soft;
565 if (newlim->d_fieldmask & ~XFS_QC_MASK)
567 if ((newlim->d_fieldmask & XFS_QC_MASK) == 0)
571 * We don't want to race with a quotaoff so take the quotaoff lock.
572 * We don't hold an inode lock, so there's nothing else to stop
573 * a quotaoff from happening.
575 mutex_lock(&q->qi_quotaofflock);
578 * Get the dquot (locked) before we start, as we need to do a
579 * transaction to allocate it if it doesn't exist. Once we have the
580 * dquot, unlock it so we can start the next transaction safely. We hold
581 * a reference to the dquot, so it's safe to do this unlock/lock without
582 * it being reclaimed in the mean time.
584 error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp);
586 ASSERT(error != -ENOENT);
591 tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
592 error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_setqlim, 0, 0);
594 xfs_trans_cancel(tp, 0);
599 xfs_trans_dqjoin(tp, dqp);
603 * Make sure that hardlimits are >= soft limits before changing.
605 hard = (newlim->d_fieldmask & QC_SPC_HARD) ?
606 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_hardlimit) :
607 be64_to_cpu(ddq->d_blk_hardlimit);
608 soft = (newlim->d_fieldmask & QC_SPC_SOFT) ?
609 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_softlimit) :
610 be64_to_cpu(ddq->d_blk_softlimit);
611 if (hard == 0 || hard >= soft) {
612 ddq->d_blk_hardlimit = cpu_to_be64(hard);
613 ddq->d_blk_softlimit = cpu_to_be64(soft);
614 xfs_dquot_set_prealloc_limits(dqp);
616 q->qi_bhardlimit = hard;
617 q->qi_bsoftlimit = soft;
620 xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft);
622 hard = (newlim->d_fieldmask & QC_RT_SPC_HARD) ?
623 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_hardlimit) :
624 be64_to_cpu(ddq->d_rtb_hardlimit);
625 soft = (newlim->d_fieldmask & QC_RT_SPC_SOFT) ?
626 (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_softlimit) :
627 be64_to_cpu(ddq->d_rtb_softlimit);
628 if (hard == 0 || hard >= soft) {
629 ddq->d_rtb_hardlimit = cpu_to_be64(hard);
630 ddq->d_rtb_softlimit = cpu_to_be64(soft);
632 q->qi_rtbhardlimit = hard;
633 q->qi_rtbsoftlimit = soft;
636 xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft);
639 hard = (newlim->d_fieldmask & QC_INO_HARD) ?
640 (xfs_qcnt_t) newlim->d_ino_hardlimit :
641 be64_to_cpu(ddq->d_ino_hardlimit);
642 soft = (newlim->d_fieldmask & QC_INO_SOFT) ?
643 (xfs_qcnt_t) newlim->d_ino_softlimit :
644 be64_to_cpu(ddq->d_ino_softlimit);
645 if (hard == 0 || hard >= soft) {
646 ddq->d_ino_hardlimit = cpu_to_be64(hard);
647 ddq->d_ino_softlimit = cpu_to_be64(soft);
649 q->qi_ihardlimit = hard;
650 q->qi_isoftlimit = soft;
653 xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft);
657 * Update warnings counter(s) if requested
659 if (newlim->d_fieldmask & QC_SPC_WARNS)
660 ddq->d_bwarns = cpu_to_be16(newlim->d_spc_warns);
661 if (newlim->d_fieldmask & QC_INO_WARNS)
662 ddq->d_iwarns = cpu_to_be16(newlim->d_ino_warns);
663 if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
664 ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns);
668 * Timelimits for the super user set the relative time
669 * the other users can be over quota for this file system.
670 * If it is zero a default is used. Ditto for the default
671 * soft and hard limit values (already done, above), and
674 if (newlim->d_fieldmask & QC_SPC_TIMER) {
675 q->qi_btimelimit = newlim->d_spc_timer;
676 ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer);
678 if (newlim->d_fieldmask & QC_INO_TIMER) {
679 q->qi_itimelimit = newlim->d_ino_timer;
680 ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer);
682 if (newlim->d_fieldmask & QC_RT_SPC_TIMER) {
683 q->qi_rtbtimelimit = newlim->d_rt_spc_timer;
684 ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer);
686 if (newlim->d_fieldmask & QC_SPC_WARNS)
687 q->qi_bwarnlimit = newlim->d_spc_warns;
688 if (newlim->d_fieldmask & QC_INO_WARNS)
689 q->qi_iwarnlimit = newlim->d_ino_warns;
690 if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
691 q->qi_rtbwarnlimit = newlim->d_rt_spc_warns;
694 * If the user is now over quota, start the timelimit.
695 * The user will not be 'warned'.
696 * Note that we keep the timers ticking, whether enforcement
697 * is on or off. We don't really want to bother with iterating
698 * over all ondisk dquots and turning the timers on/off.
700 xfs_qm_adjust_dqtimers(mp, ddq);
702 dqp->dq_flags |= XFS_DQ_DIRTY;
703 xfs_trans_log_dquot(tp, dqp);
705 error = xfs_trans_commit(tp, 0);
710 mutex_unlock(&q->qi_quotaofflock);
715 xfs_qm_log_quotaoff_end(
717 xfs_qoff_logitem_t *startqoff,
722 xfs_qoff_logitem_t *qoffi;
724 tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END);
726 error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0);
728 xfs_trans_cancel(tp, 0);
732 qoffi = xfs_trans_get_qoff_item(tp, startqoff,
733 flags & XFS_ALL_QUOTA_ACCT);
734 xfs_trans_log_quotaoff_item(tp, qoffi);
737 * We have to make sure that the transaction is secure on disk before we
738 * return and actually stop quota accounting. So, make it synchronous.
739 * We don't care about quotoff's performance.
741 xfs_trans_set_sync(tp);
742 error = xfs_trans_commit(tp, 0);
750 xfs_qoff_logitem_t **qoffstartp,
755 xfs_qoff_logitem_t *qoffi;
759 tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF);
760 error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_quotaoff, 0, 0);
762 xfs_trans_cancel(tp, 0);
766 qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT);
767 xfs_trans_log_quotaoff_item(tp, qoffi);
769 spin_lock(&mp->m_sb_lock);
770 mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
771 spin_unlock(&mp->m_sb_lock);
776 * We have to make sure that the transaction is secure on disk before we
777 * return and actually stop quota accounting. So, make it synchronous.
778 * We don't care about quotoff's performance.
780 xfs_trans_set_sync(tp);
781 error = xfs_trans_commit(tp, 0);
792 xfs_qm_scall_getquota(
793 struct xfs_mount *mp,
796 struct qc_dqblk *dst)
798 struct xfs_dquot *dqp;
802 * Try to get the dquot. We don't want it allocated on disk, so
803 * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't
804 * exist, we'll get ENOENT back.
806 error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp);
811 * If everything's NULL, this dquot doesn't quite exist as far as
812 * our utility programs are concerned.
814 if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
819 memset(dst, 0, sizeof(*dst));
820 dst->d_spc_hardlimit =
821 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
822 dst->d_spc_softlimit =
823 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit));
824 dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
825 dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit);
826 dst->d_space = XFS_FSB_TO_B(mp, dqp->q_res_bcount);
827 dst->d_ino_count = dqp->q_res_icount;
828 dst->d_spc_timer = be32_to_cpu(dqp->q_core.d_btimer);
829 dst->d_ino_timer = be32_to_cpu(dqp->q_core.d_itimer);
830 dst->d_ino_warns = be16_to_cpu(dqp->q_core.d_iwarns);
831 dst->d_spc_warns = be16_to_cpu(dqp->q_core.d_bwarns);
832 dst->d_rt_spc_hardlimit =
833 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit));
834 dst->d_rt_spc_softlimit =
835 XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit));
836 dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_res_rtbcount);
837 dst->d_rt_spc_timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
838 dst->d_rt_spc_warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
841 * Internally, we don't reset all the timers when quota enforcement
842 * gets turned off. No need to confuse the user level code,
843 * so return zeroes in that case.
845 if ((!XFS_IS_UQUOTA_ENFORCED(mp) &&
846 dqp->q_core.d_flags == XFS_DQ_USER) ||
847 (!XFS_IS_GQUOTA_ENFORCED(mp) &&
848 dqp->q_core.d_flags == XFS_DQ_GROUP) ||
849 (!XFS_IS_PQUOTA_ENFORCED(mp) &&
850 dqp->q_core.d_flags == XFS_DQ_PROJ)) {
851 dst->d_spc_timer = 0;
852 dst->d_ino_timer = 0;
853 dst->d_rt_spc_timer = 0;
857 if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) ||
858 (XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) ||
859 (XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) &&
861 if ((dst->d_space > dst->d_spc_softlimit) &&
862 (dst->d_spc_softlimit > 0)) {
863 ASSERT(dst->d_spc_timer != 0);
865 if ((dst->d_ino_count > dst->d_ino_softlimit) &&
866 (dst->d_ino_softlimit > 0)) {
867 ASSERT(dst->d_ino_timer != 0);
883 if (flags & XFS_UQUOTA_ACCT)
884 uflags |= FS_QUOTA_UDQ_ACCT;
885 if (flags & XFS_GQUOTA_ACCT)
886 uflags |= FS_QUOTA_GDQ_ACCT;
887 if (flags & XFS_PQUOTA_ACCT)
888 uflags |= FS_QUOTA_PDQ_ACCT;
889 if (flags & XFS_UQUOTA_ENFD)
890 uflags |= FS_QUOTA_UDQ_ENFD;
891 if (flags & XFS_GQUOTA_ENFD)
892 uflags |= FS_QUOTA_GDQ_ENFD;
893 if (flags & XFS_PQUOTA_ENFD)
894 uflags |= FS_QUOTA_PDQ_ENFD;
901 struct xfs_inode *ip,
905 /* skip quota inodes */
906 if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
907 ip == ip->i_mount->m_quotainfo->qi_gquotaip ||
908 ip == ip->i_mount->m_quotainfo->qi_pquotaip) {
909 ASSERT(ip->i_udquot == NULL);
910 ASSERT(ip->i_gdquot == NULL);
911 ASSERT(ip->i_pdquot == NULL);
915 xfs_ilock(ip, XFS_ILOCK_EXCL);
916 if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
917 xfs_qm_dqrele(ip->i_udquot);
920 if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) {
921 xfs_qm_dqrele(ip->i_gdquot);
924 if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) {
925 xfs_qm_dqrele(ip->i_pdquot);
928 xfs_iunlock(ip, XFS_ILOCK_EXCL);
934 * Go thru all the inodes in the file system, releasing their dquots.
936 * Note that the mount structure gets modified to indicate that quotas are off
937 * AFTER this, in the case of quotaoff.
940 xfs_qm_dqrele_all_inodes(
941 struct xfs_mount *mp,
944 ASSERT(mp->m_quotainfo);
945 xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL);