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>
20 #include <linux/vs_base.h>
27 #include "xfs_trans.h"
32 #include "xfs_alloc.h"
33 #include "xfs_dmapi.h"
34 #include "xfs_quota.h"
35 #include "xfs_mount.h"
36 #include "xfs_bmap_btree.h"
37 #include "xfs_alloc_btree.h"
38 #include "xfs_ialloc_btree.h"
39 #include "xfs_dir_sf.h"
40 #include "xfs_dir2_sf.h"
41 #include "xfs_attr_sf.h"
42 #include "xfs_dinode.h"
43 #include "xfs_inode.h"
44 #include "xfs_ialloc.h"
45 #include "xfs_itable.h"
47 #include "xfs_btree.h"
48 #include "xfs_rtalloc.h"
49 #include "xfs_error.h"
55 #include "xfs_buf_item.h"
56 #include "xfs_utils.h"
60 # define qdprintk(s, args...) cmn_err(CE_DEBUG, s, ## args)
62 # define qdprintk(s, args...) do { } while (0)
65 STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint);
66 STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint,
68 STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *);
69 STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint,
71 STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint);
72 STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t);
73 STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
74 STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
76 STATIC uint xfs_qm_import_flags(uint);
77 STATIC uint xfs_qm_export_flags(uint);
78 STATIC uint xfs_qm_import_qtype_flags(uint);
79 STATIC uint xfs_qm_export_qtype_flags(uint);
80 STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *,
85 * The main distribution switch of all XFS quotactl system calls.
99 mp = XFS_VFSTOM(vfsp);
101 ASSERT(addr != NULL || cmd == Q_XQUOTASYNC);
104 * The following commands are valid even when quotaoff.
109 * Truncate quota files. quota must be off.
111 if (XFS_IS_QUOTA_ON(mp))
112 return XFS_ERROR(EINVAL);
113 if (vfsp->vfs_flag & VFS_RDONLY)
114 return XFS_ERROR(EROFS);
115 return (xfs_qm_scall_trunc_qfiles(mp,
116 xfs_qm_import_qtype_flags(*(uint *)addr)));
120 * Get quota status information.
122 return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr));
126 * QUOTAON - enabling quota enforcement.
127 * Quota accounting must be turned on at mount time.
129 if (vfsp->vfs_flag & VFS_RDONLY)
130 return XFS_ERROR(EROFS);
131 return (xfs_qm_scall_quotaon(mp,
132 xfs_qm_import_flags(*(uint *)addr)));
135 if (vfsp->vfs_flag & VFS_RDONLY)
136 return XFS_ERROR(EROFS);
140 return (xfs_sync_inodes(mp, SYNC_DELWRI, 0, NULL));
146 if (! XFS_IS_QUOTA_ON(mp))
147 return XFS_ERROR(ESRCH);
151 if (vfsp->vfs_flag & VFS_RDONLY)
152 return XFS_ERROR(EROFS);
153 error = xfs_qm_scall_quotaoff(mp,
154 xfs_qm_import_flags(*(uint *)addr),
159 error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER,
160 (fs_disk_quota_t *)addr);
163 error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
164 (fs_disk_quota_t *)addr);
167 error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
168 (fs_disk_quota_t *)addr);
172 if (vfsp->vfs_flag & VFS_RDONLY)
173 return XFS_ERROR(EROFS);
174 error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER,
175 (fs_disk_quota_t *)addr);
178 if (vfsp->vfs_flag & VFS_RDONLY)
179 return XFS_ERROR(EROFS);
180 error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
181 (fs_disk_quota_t *)addr);
184 if (vfsp->vfs_flag & VFS_RDONLY)
185 return XFS_ERROR(EROFS);
186 error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
187 (fs_disk_quota_t *)addr);
191 error = XFS_ERROR(EINVAL);
199 * Turn off quota accounting and/or enforcement for all udquots and/or
200 * gdquots. Called only at unmount time.
202 * This assumes that there are no dquots of this file system cached
203 * incore, and modifies the ondisk dquot directly. Therefore, for example,
204 * it is an error to call this twice, without purging the cache.
207 xfs_qm_scall_quotaoff(
215 uint inactivate_flags;
216 xfs_qoff_logitem_t *qoffstart;
219 if (!force && !vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
220 return XFS_ERROR(EPERM);
222 * No file system can have quotas enabled on disk but not in core.
223 * Note that quota utilities (like quotaoff) _expect_
224 * errno == EEXIST here.
226 if ((mp->m_qflags & flags) == 0)
227 return XFS_ERROR(EEXIST);
230 flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
233 * We don't want to deal with two quotaoffs messing up each other,
234 * so we're going to serialize it. quotaoff isn't exactly a performance
236 * If quotaoff, then we must be dealing with the root filesystem.
238 ASSERT(mp->m_quotainfo);
240 mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
242 ASSERT(mp->m_quotainfo);
245 * If we're just turning off quota enforcement, change mp and go.
247 if ((flags & XFS_ALL_QUOTA_ACCT) == 0) {
248 mp->m_qflags &= ~(flags);
251 mp->m_sb.sb_qflags = mp->m_qflags;
252 XFS_SB_UNLOCK(mp, s);
253 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
255 /* XXX what to do if error ? Revert back to old vals incore ? */
256 error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS);
261 inactivate_flags = 0;
263 * If accounting is off, we must turn enforcement off, clear the
264 * quota 'CHKD' certificate to make it known that we have to
265 * do a quotacheck the next time this quota is turned on.
267 if (flags & XFS_UQUOTA_ACCT) {
268 dqtype |= XFS_QMOPT_UQUOTA;
269 flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD);
270 inactivate_flags |= XFS_UQUOTA_ACTIVE;
272 if (flags & XFS_GQUOTA_ACCT) {
273 dqtype |= XFS_QMOPT_GQUOTA;
274 flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD);
275 inactivate_flags |= XFS_GQUOTA_ACTIVE;
276 } else if (flags & XFS_PQUOTA_ACCT) {
277 dqtype |= XFS_QMOPT_PQUOTA;
278 flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD);
279 inactivate_flags |= XFS_PQUOTA_ACTIVE;
283 * Nothing to do? Don't complain. This happens when we're just
284 * turning off quota enforcement.
286 if ((mp->m_qflags & flags) == 0) {
287 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
292 * Write the LI_QUOTAOFF log record, and do SB changes atomically,
295 xfs_qm_log_quotaoff(mp, &qoffstart, flags);
298 * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
299 * to take care of the race between dqget and quotaoff. We don't take
300 * any special locks to reset these bits. All processes need to check
301 * these bits *after* taking inode lock(s) to see if the particular
302 * quota type is in the process of being turned off. If *ACTIVE, it is
303 * guaranteed that all dquot structures and all quotainode ptrs will all
304 * stay valid as long as that inode is kept locked.
306 * There is no turning back after this.
308 mp->m_qflags &= ~inactivate_flags;
311 * Give back all the dquot reference(s) held by inodes.
312 * Here we go thru every single incore inode in this file system, and
313 * do a dqrele on the i_udquot/i_gdquot that it may have.
314 * Essentially, as long as somebody has an inode locked, this guarantees
315 * that quotas will not be turned off. This is handy because in a
316 * transaction once we lock the inode(s) and check for quotaon, we can
317 * depend on the quota inodes (and other things) being valid as long as
318 * we keep the lock(s).
320 xfs_qm_dqrele_all_inodes(mp, flags);
323 * Next we make the changes in the quota flag in the mount struct.
324 * This isn't protected by a particular lock directly, because we
325 * don't want to take a mrlock everytime we depend on quotas being on.
327 mp->m_qflags &= ~(flags);
330 * Go through all the dquots of this file system and purge them,
331 * according to what was turned off. We may not be able to get rid
332 * of all dquots, because dquots can have temporary references that
333 * are not attached to inodes. eg. xfs_setattr, xfs_create.
334 * So, if we couldn't purge all the dquots from the filesystem,
335 * we can't get rid of the incore data structures.
337 while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF)))
338 delay(10 * nculprits);
341 * Transactions that had started before ACTIVE state bit was cleared
342 * could have logged many dquots, so they'd have higher LSNs than
343 * the first QUOTAOFF log record does. If we happen to crash when
344 * the tail of the log has gone past the QUOTAOFF record, but
345 * before the last dquot modification, those dquots __will__
346 * recover, and that's not good.
348 * So, we have QUOTAOFF start and end logitems; the start
349 * logitem won't get overwritten until the end logitem appears...
351 xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
354 * If quotas is completely disabled, close shop.
356 if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) ||
357 ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) {
358 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
359 xfs_qm_destroy_quotainfo(mp);
364 * Release our quotainode references, and vn_purge them,
365 * if we don't need them anymore.
367 if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) {
368 XFS_PURGE_INODE(XFS_QI_UQIP(mp));
369 XFS_QI_UQIP(mp) = NULL;
371 if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) {
372 XFS_PURGE_INODE(XFS_QI_GQIP(mp));
373 XFS_QI_GQIP(mp) = NULL;
375 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
381 xfs_qm_scall_trunc_qfiles(
388 if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
389 return XFS_ERROR(EPERM);
391 if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) {
392 qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags);
393 return XFS_ERROR(EINVAL);
396 if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) {
397 error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0);
399 (void) xfs_truncate_file(mp, qip);
400 VN_RELE(XFS_ITOV(qip));
404 if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) &&
405 mp->m_sb.sb_gquotino != NULLFSINO) {
406 error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
408 (void) xfs_truncate_file(mp, qip);
409 VN_RELE(XFS_ITOV(qip));
418 * Switch on (a given) quota enforcement for a filesystem. This takes
419 * effect immediately.
420 * (Switching on quota accounting must be done at mount time.)
423 xfs_qm_scall_quotaon(
433 if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
434 return XFS_ERROR(EPERM);
436 flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
438 * Switching on quota accounting must be done at mount time.
440 accflags = flags & XFS_ALL_QUOTA_ACCT;
441 flags &= ~(XFS_ALL_QUOTA_ACCT);
446 qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags);
447 return XFS_ERROR(EINVAL);
450 /* No fs can turn on quotas with a delayed effect */
451 ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0);
454 * Can't enforce without accounting. We check the superblock
455 * qflags here instead of m_qflags because rootfs can have
456 * quota acct on ondisk without m_qflags' knowing.
458 if (((flags & XFS_UQUOTA_ACCT) == 0 &&
459 (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 &&
460 (flags & XFS_UQUOTA_ENFD))
462 ((flags & XFS_PQUOTA_ACCT) == 0 &&
463 (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
464 (flags & XFS_OQUOTA_ENFD))
466 ((flags & XFS_GQUOTA_ACCT) == 0 &&
467 (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
468 (flags & XFS_OQUOTA_ENFD))) {
469 qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n",
470 flags, mp->m_sb.sb_qflags);
471 return XFS_ERROR(EINVAL);
474 * If everything's upto-date incore, then don't waste time.
476 if ((mp->m_qflags & flags) == flags)
477 return XFS_ERROR(EEXIST);
480 * Change sb_qflags on disk but not incore mp->qflags
481 * if this is the root filesystem.
484 qf = mp->m_sb.sb_qflags;
485 mp->m_sb.sb_qflags = qf | flags;
486 XFS_SB_UNLOCK(mp, s);
489 * There's nothing to change if it's the same.
491 if ((qf & flags) == flags && sbflags == 0)
492 return XFS_ERROR(EEXIST);
493 sbflags |= XFS_SB_QFLAGS;
495 if ((error = xfs_qm_write_sb_changes(mp, sbflags)))
498 * If we aren't trying to switch on quota enforcement, we are done.
500 if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) !=
501 (mp->m_qflags & XFS_UQUOTA_ACCT)) ||
502 ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) !=
503 (mp->m_qflags & XFS_PQUOTA_ACCT)) ||
504 ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) !=
505 (mp->m_qflags & XFS_GQUOTA_ACCT)) ||
506 (flags & XFS_ALL_QUOTA_ENFD) == 0)
509 if (! XFS_IS_QUOTA_RUNNING(mp))
510 return XFS_ERROR(ESRCH);
513 * Switch on quota enforcement in core.
515 mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
516 mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD);
517 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
524 * Return quota status information, such as uquota-off, enforcements, etc.
527 xfs_qm_scall_getqstat(
529 fs_quota_stat_t *out)
531 xfs_inode_t *uip, *gip;
532 boolean_t tempuqip, tempgqip;
535 tempuqip = tempgqip = B_FALSE;
536 memset(out, 0, sizeof(fs_quota_stat_t));
538 out->qs_version = FS_QSTAT_VERSION;
539 if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) {
540 out->qs_uquota.qfs_ino = NULLFSINO;
541 out->qs_gquota.qfs_ino = NULLFSINO;
544 out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
546 XFS_ALL_QUOTA_ENFD));
548 out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
549 out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
551 if (mp->m_quotainfo) {
552 uip = mp->m_quotainfo->qi_uquotaip;
553 gip = mp->m_quotainfo->qi_gquotaip;
555 if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
556 if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
560 if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {
561 if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
566 out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
567 out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
569 VN_RELE(XFS_ITOV(uip));
572 out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
573 out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
575 VN_RELE(XFS_ITOV(gip));
577 if (mp->m_quotainfo) {
578 out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp);
579 out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp);
580 out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp);
581 out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp);
582 out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp);
583 out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp);
589 * Adjust quota limits, and start/stop timers accordingly.
592 xfs_qm_scall_setqlim(
596 fs_disk_quota_t *newlim)
598 xfs_disk_dquot_t *ddq;
602 xfs_qcnt_t hard, soft;
604 if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
605 return XFS_ERROR(EPERM);
607 if ((newlim->d_fieldmask &
608 (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
611 tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
612 if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128,
613 0, 0, XFS_DEFAULT_LOG_COUNT))) {
614 xfs_trans_cancel(tp, 0);
619 * We don't want to race with a quotaoff so take the quotaoff lock.
620 * (We don't hold an inode lock, so there's nothing else to stop
621 * a quotaoff from happening). (XXXThis doesn't currently happen
622 * because we take the vfslock before calling xfs_qm_sysent).
624 mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
627 * Get the dquot (locked), and join it to the transaction.
628 * Allocate the dquot if this doesn't exist.
630 if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) {
631 xfs_trans_cancel(tp, XFS_TRANS_ABORT);
632 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
633 ASSERT(error != ENOENT);
636 xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET");
637 xfs_trans_dqjoin(tp, dqp);
641 * Make sure that hardlimits are >= soft limits before changing.
643 hard = (newlim->d_fieldmask & FS_DQ_BHARD) ?
644 (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) :
645 be64_to_cpu(ddq->d_blk_hardlimit);
646 soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ?
647 (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) :
648 be64_to_cpu(ddq->d_blk_softlimit);
649 if (hard == 0 || hard >= soft) {
650 ddq->d_blk_hardlimit = cpu_to_be64(hard);
651 ddq->d_blk_softlimit = cpu_to_be64(soft);
653 mp->m_quotainfo->qi_bhardlimit = hard;
654 mp->m_quotainfo->qi_bsoftlimit = soft;
657 qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft);
659 hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ?
660 (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) :
661 be64_to_cpu(ddq->d_rtb_hardlimit);
662 soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ?
663 (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) :
664 be64_to_cpu(ddq->d_rtb_softlimit);
665 if (hard == 0 || hard >= soft) {
666 ddq->d_rtb_hardlimit = cpu_to_be64(hard);
667 ddq->d_rtb_softlimit = cpu_to_be64(soft);
669 mp->m_quotainfo->qi_rtbhardlimit = hard;
670 mp->m_quotainfo->qi_rtbsoftlimit = soft;
673 qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft);
676 hard = (newlim->d_fieldmask & FS_DQ_IHARD) ?
677 (xfs_qcnt_t) newlim->d_ino_hardlimit :
678 be64_to_cpu(ddq->d_ino_hardlimit);
679 soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ?
680 (xfs_qcnt_t) newlim->d_ino_softlimit :
681 be64_to_cpu(ddq->d_ino_softlimit);
682 if (hard == 0 || hard >= soft) {
683 ddq->d_ino_hardlimit = cpu_to_be64(hard);
684 ddq->d_ino_softlimit = cpu_to_be64(soft);
686 mp->m_quotainfo->qi_ihardlimit = hard;
687 mp->m_quotainfo->qi_isoftlimit = soft;
690 qdprintk("ihard %Ld < isoft %Ld\n", hard, soft);
694 * Update warnings counter(s) if requested
696 if (newlim->d_fieldmask & FS_DQ_BWARNS)
697 ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns);
698 if (newlim->d_fieldmask & FS_DQ_IWARNS)
699 ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns);
700 if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
701 ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns);
705 * Timelimits for the super user set the relative time
706 * the other users can be over quota for this file system.
707 * If it is zero a default is used. Ditto for the default
708 * soft and hard limit values (already done, above), and
711 if (newlim->d_fieldmask & FS_DQ_BTIMER) {
712 mp->m_quotainfo->qi_btimelimit = newlim->d_btimer;
713 ddq->d_btimer = cpu_to_be32(newlim->d_btimer);
715 if (newlim->d_fieldmask & FS_DQ_ITIMER) {
716 mp->m_quotainfo->qi_itimelimit = newlim->d_itimer;
717 ddq->d_itimer = cpu_to_be32(newlim->d_itimer);
719 if (newlim->d_fieldmask & FS_DQ_RTBTIMER) {
720 mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer;
721 ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer);
723 if (newlim->d_fieldmask & FS_DQ_BWARNS)
724 mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns;
725 if (newlim->d_fieldmask & FS_DQ_IWARNS)
726 mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns;
727 if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
728 mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns;
731 * If the user is now over quota, start the timelimit.
732 * The user will not be 'warned'.
733 * Note that we keep the timers ticking, whether enforcement
734 * is on or off. We don't really want to bother with iterating
735 * over all ondisk dquots and turning the timers on/off.
737 xfs_qm_adjust_dqtimers(mp, ddq);
739 dqp->dq_flags |= XFS_DQ_DIRTY;
740 xfs_trans_log_dquot(tp, dqp);
742 xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT");
743 xfs_trans_commit(tp, 0, NULL);
746 mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
752 xfs_qm_scall_getquota(
756 fs_disk_quota_t *out)
762 * Try to get the dquot. We don't want it allocated on disk, so
763 * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't
764 * exist, we'll get ENOENT back.
766 if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) {
770 xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS");
772 * If everything's NULL, this dquot doesn't quite exist as far as
773 * our utility programs are concerned.
775 if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
777 return XFS_ERROR(ENOENT);
779 /* xfs_qm_dqprint(dqp); */
781 * Convert the disk dquot to the exportable format
783 xfs_qm_export_dquot(mp, &dqp->q_core, out);
785 return (error ? XFS_ERROR(EFAULT) : 0);
790 xfs_qm_log_quotaoff_end(
792 xfs_qoff_logitem_t *startqoff,
797 xfs_qoff_logitem_t *qoffi;
799 tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END);
801 if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2,
802 0, 0, XFS_DEFAULT_LOG_COUNT))) {
803 xfs_trans_cancel(tp, 0);
807 qoffi = xfs_trans_get_qoff_item(tp, startqoff,
808 flags & XFS_ALL_QUOTA_ACCT);
809 xfs_trans_log_quotaoff_item(tp, qoffi);
812 * We have to make sure that the transaction is secure on disk before we
813 * return and actually stop quota accounting. So, make it synchronous.
814 * We don't care about quotoff's performance.
816 xfs_trans_set_sync(tp);
817 error = xfs_trans_commit(tp, 0, NULL);
825 xfs_qoff_logitem_t **qoffstartp,
831 xfs_qoff_logitem_t *qoffi=NULL;
834 tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF);
835 if ((error = xfs_trans_reserve(tp, 0,
836 sizeof(xfs_qoff_logitem_t) * 2 +
837 mp->m_sb.sb_sectsize + 128,
840 XFS_DEFAULT_LOG_COUNT))) {
844 qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT);
845 xfs_trans_log_quotaoff_item(tp, qoffi);
848 oldsbqflag = mp->m_sb.sb_qflags;
849 mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
850 XFS_SB_UNLOCK(mp, s);
852 xfs_mod_sb(tp, XFS_SB_QFLAGS);
855 * We have to make sure that the transaction is secure on disk before we
856 * return and actually stop quota accounting. So, make it synchronous.
857 * We don't care about quotoff's performance.
859 xfs_trans_set_sync(tp);
860 error = xfs_trans_commit(tp, 0, NULL);
864 xfs_trans_cancel(tp, 0);
866 * No one else is modifying sb_qflags, so this is OK.
867 * We still hold the quotaofflock.
870 mp->m_sb.sb_qflags = oldsbqflag;
871 XFS_SB_UNLOCK(mp, s);
879 * Translate an internal style on-disk-dquot to the exportable format.
880 * The main differences are that the counters/limits are all in Basic
881 * Blocks (BBs) instead of the internal FSBs, and all on-disk data has
882 * to be converted to the native endianness.
887 xfs_disk_dquot_t *src,
888 struct fs_disk_quota *dst)
890 memset(dst, 0, sizeof(*dst));
891 dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */
892 dst->d_flags = xfs_qm_export_qtype_flags(src->d_flags);
893 dst->d_id = be32_to_cpu(src->d_id);
894 dst->d_blk_hardlimit =
895 XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_hardlimit));
896 dst->d_blk_softlimit =
897 XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_softlimit));
898 dst->d_ino_hardlimit = be64_to_cpu(src->d_ino_hardlimit);
899 dst->d_ino_softlimit = be64_to_cpu(src->d_ino_softlimit);
900 dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_bcount));
901 dst->d_icount = be64_to_cpu(src->d_icount);
902 dst->d_btimer = be32_to_cpu(src->d_btimer);
903 dst->d_itimer = be32_to_cpu(src->d_itimer);
904 dst->d_iwarns = be16_to_cpu(src->d_iwarns);
905 dst->d_bwarns = be16_to_cpu(src->d_bwarns);
906 dst->d_rtb_hardlimit =
907 XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_hardlimit));
908 dst->d_rtb_softlimit =
909 XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_softlimit));
910 dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtbcount));
911 dst->d_rtbtimer = be32_to_cpu(src->d_rtbtimer);
912 dst->d_rtbwarns = be16_to_cpu(src->d_rtbwarns);
915 * Internally, we don't reset all the timers when quota enforcement
916 * gets turned off. No need to confuse the user level code,
917 * so return zeroes in that case.
919 if (! XFS_IS_QUOTA_ENFORCED(mp)) {
926 if (XFS_IS_QUOTA_ENFORCED(mp) && dst->d_id != 0) {
927 if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) &&
928 (dst->d_blk_softlimit > 0)) {
929 ASSERT(dst->d_btimer != 0);
931 if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) &&
932 (dst->d_ino_softlimit > 0)) {
933 ASSERT(dst->d_itimer != 0);
940 xfs_qm_import_qtype_flags(
946 * Can't be more than one, or none.
948 if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ==
949 (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ||
950 ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ==
951 (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ||
952 ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ==
953 (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ||
954 ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0))
957 oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0;
958 oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0;
959 oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0;
964 xfs_qm_export_qtype_flags(
968 * Can't be more than one, or none.
970 ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) !=
971 (XFS_PROJ_QUOTA | XFS_USER_QUOTA));
972 ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) !=
973 (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA));
974 ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) !=
975 (XFS_USER_QUOTA | XFS_GROUP_QUOTA));
976 ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0);
978 return (flags & XFS_DQ_USER) ?
979 XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ?
980 XFS_PROJ_QUOTA : XFS_GROUP_QUOTA;
989 if (uflags & XFS_QUOTA_UDQ_ACCT)
990 flags |= XFS_UQUOTA_ACCT;
991 if (uflags & XFS_QUOTA_PDQ_ACCT)
992 flags |= XFS_PQUOTA_ACCT;
993 if (uflags & XFS_QUOTA_GDQ_ACCT)
994 flags |= XFS_GQUOTA_ACCT;
995 if (uflags & XFS_QUOTA_UDQ_ENFD)
996 flags |= XFS_UQUOTA_ENFD;
997 if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
998 flags |= XFS_OQUOTA_ENFD;
1004 xfs_qm_export_flags(
1010 if (flags & XFS_UQUOTA_ACCT)
1011 uflags |= XFS_QUOTA_UDQ_ACCT;
1012 if (flags & XFS_PQUOTA_ACCT)
1013 uflags |= XFS_QUOTA_PDQ_ACCT;
1014 if (flags & XFS_GQUOTA_ACCT)
1015 uflags |= XFS_QUOTA_GDQ_ACCT;
1016 if (flags & XFS_UQUOTA_ENFD)
1017 uflags |= XFS_QUOTA_UDQ_ENFD;
1018 if (flags & (XFS_OQUOTA_ENFD)) {
1019 uflags |= (flags & XFS_GQUOTA_ACCT) ?
1020 XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD;
1027 * Go thru all the inodes in the file system, releasing their dquots.
1028 * Note that the mount structure gets modified to indicate that quotas are off
1029 * AFTER this, in the case of quotaoff. This also gets called from
1033 xfs_qm_dqrele_all_inodes(
1034 struct xfs_mount *mp,
1037 xfs_inode_t *ip, *topino;
1040 boolean_t vnode_refd;
1042 ASSERT(mp->m_quotainfo);
1044 XFS_MOUNT_ILOCK(mp);
1048 XFS_MOUNT_IUNLOCK(mp);
1052 /* Skip markers inserted by xfs_sync */
1053 if (ip->i_mount == NULL) {
1057 /* Root inode, rbmip and rsumip have associated blocks */
1058 if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) {
1059 ASSERT(ip->i_udquot == NULL);
1060 ASSERT(ip->i_gdquot == NULL);
1064 vp = XFS_ITOV_NULL(ip);
1066 ASSERT(ip->i_udquot == NULL);
1067 ASSERT(ip->i_gdquot == NULL);
1071 vnode_refd = B_FALSE;
1072 if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) {
1073 ireclaims = mp->m_ireclaims;
1074 topino = mp->m_inodes;
1079 XFS_MOUNT_IUNLOCK(mp);
1080 /* XXX restart limit ? */
1081 xfs_ilock(ip, XFS_ILOCK_EXCL);
1082 vnode_refd = B_TRUE;
1084 ireclaims = mp->m_ireclaims;
1085 topino = mp->m_inodes;
1086 XFS_MOUNT_IUNLOCK(mp);
1090 * We don't keep the mountlock across the dqrele() call,
1091 * since it can take a while..
1093 if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
1094 xfs_qm_dqrele(ip->i_udquot);
1095 ip->i_udquot = NULL;
1097 if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) {
1098 xfs_qm_dqrele(ip->i_gdquot);
1099 ip->i_gdquot = NULL;
1101 xfs_iunlock(ip, XFS_ILOCK_EXCL);
1103 * Wait until we've dropped the ilock and mountlock to
1104 * do the vn_rele. Or be condemned to an eternity in the
1105 * inactive code in hell.
1109 XFS_MOUNT_ILOCK(mp);
1111 * If an inode was inserted or removed, we gotta
1114 if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) {
1115 /* XXX use a sentinel */
1119 } while (ip != mp->m_inodes);
1121 XFS_MOUNT_IUNLOCK(mp);
1124 /*------------------------------------------------------------------------*/
1127 * This contains all the test functions for XFS disk quotas.
1128 * Currently it does a quota accounting check. ie. it walks through
1129 * all inodes in the file system, calculating the dquot accounting fields,
1130 * and prints out any inconsistencies.
1132 xfs_dqhash_t *qmtest_udqtab;
1133 xfs_dqhash_t *qmtest_gdqtab;
1134 int qmtest_hashmask;
1136 mutex_t qcheck_lock;
1138 #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
1139 (__psunsigned_t)(id)) & \
1140 (qmtest_hashmask - 1))
1142 #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \
1144 DQTEST_HASHVAL(mp, id)) : \
1146 DQTEST_HASHVAL(mp, id)))
1148 #define DQTEST_LIST_PRINT(l, NXT, title) \
1150 xfs_dqtest_t *dqp; int i = 0;\
1151 cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \
1152 for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \
1153 dqp = (xfs_dqtest_t *)dqp->NXT) { \
1154 cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \
1155 ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \
1156 dqp->d_bcount, dqp->d_icount); } \
1159 typedef struct dqtest {
1160 xfs_dqmarker_t q_lists;
1161 xfs_dqhash_t *q_hash; /* the hashchain header */
1162 xfs_mount_t *q_mount; /* filesystem this relates to */
1163 xfs_dqid_t d_id; /* user id or group id */
1164 xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */
1165 xfs_qcnt_t d_icount; /* # inodes owned by the user */
1169 xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp)
1172 if (((d) = (h)->qh_next))
1173 (d)->HL_PREVP = &((dqp)->HL_NEXT);
1175 (dqp)->HL_PREVP = &((h)->qh_next);
1176 (h)->qh_next = (xfs_dquot_t *)dqp;
1181 xfs_qm_dqtest_print(
1184 cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------");
1185 cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id);
1186 cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount);
1187 cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)",
1188 d->d_bcount, (int)d->d_bcount);
1189 cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)",
1190 d->d_icount, (int)d->d_icount);
1191 cmn_err(CE_DEBUG, "---------------------------");
1195 xfs_qm_dqtest_failed(
1205 cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s",
1206 d->d_id, error, reason);
1208 cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]",
1209 d->d_id, reason, (int)a, (int)b);
1210 xfs_qm_dqtest_print(d);
1212 xfs_qm_dqprint(dqp);
1221 if (be64_to_cpu(dqp->q_core.d_icount) != d->d_icount) {
1222 xfs_qm_dqtest_failed(d, dqp, "icount mismatch",
1223 be64_to_cpu(dqp->q_core.d_icount),
1227 if (be64_to_cpu(dqp->q_core.d_bcount) != d->d_bcount) {
1228 xfs_qm_dqtest_failed(d, dqp, "bcount mismatch",
1229 be64_to_cpu(dqp->q_core.d_bcount),
1233 if (dqp->q_core.d_blk_softlimit &&
1234 be64_to_cpu(dqp->q_core.d_bcount) >=
1235 be64_to_cpu(dqp->q_core.d_blk_softlimit)) {
1236 if (!dqp->q_core.d_btimer && dqp->q_core.d_id) {
1238 "%d [%s] [0x%p] BLK TIMER NOT STARTED",
1239 d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount);
1243 if (dqp->q_core.d_ino_softlimit &&
1244 be64_to_cpu(dqp->q_core.d_icount) >=
1245 be64_to_cpu(dqp->q_core.d_ino_softlimit)) {
1246 if (!dqp->q_core.d_itimer && dqp->q_core.d_id) {
1248 "%d [%s] [0x%p] INO TIMER NOT STARTED",
1249 d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount);
1255 cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked",
1256 d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount);
1269 /* xfs_qm_dqtest_print(d); */
1270 if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0,
1272 xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error);
1275 xfs_dqtest_cmp2(d, dqp);
1280 xfs_qm_internalqcheck_dqget(
1284 xfs_dqtest_t **O_dq)
1289 h = DQTEST_HASH(mp, id, type);
1290 for (d = (xfs_dqtest_t *) h->qh_next; d != NULL;
1291 d = (xfs_dqtest_t *) d->HL_NEXT) {
1292 /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */
1293 if (d->d_id == id && mp == d->q_mount) {
1298 d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP);
1303 xfs_qm_hashinsert(h, d);
1309 xfs_qm_internalqcheck_get_dquots(
1317 if (XFS_IS_UQUOTA_ON(mp))
1318 xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud);
1319 if (XFS_IS_GQUOTA_ON(mp))
1320 xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd);
1321 else if (XFS_IS_PQUOTA_ON(mp))
1322 xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd);
1327 xfs_qm_internalqcheck_dqadjust(
1332 d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks;
1336 xfs_qm_internalqcheck_adjust(
1337 xfs_mount_t *mp, /* mount point for filesystem */
1338 xfs_ino_t ino, /* inode number to get data for */
1339 void __user *buffer, /* not used */
1340 int ubsize, /* not used */
1341 void *private_data, /* not used */
1342 xfs_daddr_t bno, /* starting block of inode cluster */
1343 int *ubused, /* not used */
1344 void *dip, /* not used */
1345 int *res) /* bulkstat result code */
1348 xfs_dqtest_t *ud, *gd;
1350 boolean_t ipreleased;
1353 ASSERT(XFS_IS_QUOTA_RUNNING(mp));
1355 if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) {
1356 *res = BULKSTAT_RV_NOTHING;
1357 qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n",
1358 (unsigned long long) ino,
1359 (unsigned long long) mp->m_sb.sb_uquotino,
1360 (unsigned long long) mp->m_sb.sb_gquotino);
1361 return XFS_ERROR(EINVAL);
1363 ipreleased = B_FALSE;
1365 lock_flags = XFS_ILOCK_SHARED;
1366 if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) {
1367 *res = BULKSTAT_RV_NOTHING;
1371 if (ip->i_d.di_mode == 0) {
1372 xfs_iput_new(ip, lock_flags);
1373 *res = BULKSTAT_RV_NOTHING;
1374 return XFS_ERROR(ENOENT);
1378 * This inode can have blocks after eof which can get released
1379 * when we send it to inactive. Since we don't check the dquot
1380 * until the after all our calculations are done, we must get rid
1384 xfs_iput(ip, lock_flags);
1385 ipreleased = B_TRUE;
1388 xfs_qm_internalqcheck_get_dquots(mp,
1389 (xfs_dqid_t) ip->i_d.di_uid,
1390 (xfs_dqid_t) ip->i_d.di_projid,
1391 (xfs_dqid_t) ip->i_d.di_gid,
1393 if (XFS_IS_UQUOTA_ON(mp)) {
1395 xfs_qm_internalqcheck_dqadjust(ip, ud);
1397 if (XFS_IS_OQUOTA_ON(mp)) {
1399 xfs_qm_internalqcheck_dqadjust(ip, gd);
1401 xfs_iput(ip, lock_flags);
1402 *res = BULKSTAT_RV_DIDONE;
1407 /* PRIVATE, debugging */
1409 xfs_qm_internalqcheck(
1415 xfs_dqtest_t *d, *e;
1420 qmtest_hashmask = 32;
1425 if (! XFS_IS_QUOTA_ON(mp))
1426 return XFS_ERROR(ESRCH);
1428 xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC);
1429 XFS_bflush(mp->m_ddev_targp);
1430 xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC);
1431 XFS_bflush(mp->m_ddev_targp);
1433 mutex_lock(&qcheck_lock);
1434 /* There should be absolutely no quota activity while this
1436 qmtest_udqtab = kmem_zalloc(qmtest_hashmask *
1437 sizeof(xfs_dqhash_t), KM_SLEEP);
1438 qmtest_gdqtab = kmem_zalloc(qmtest_hashmask *
1439 sizeof(xfs_dqhash_t), KM_SLEEP);
1442 * Iterate thru all the inodes in the file system,
1443 * adjusting the corresponding dquot counters
1445 if ((error = xfs_bulkstat(mp, &lastino, &count,
1446 xfs_qm_internalqcheck_adjust, NULL,
1447 0, NULL, BULKSTAT_FG_IGET, &done))) {
1452 cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error);
1454 cmn_err(CE_DEBUG, "Checking results against system dquots");
1455 for (i = 0; i < qmtest_hashmask; i++) {
1456 h1 = &qmtest_udqtab[i];
1457 for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
1459 e = (xfs_dqtest_t *) d->HL_NEXT;
1460 kmem_free(d, sizeof(xfs_dqtest_t));
1463 h1 = &qmtest_gdqtab[i];
1464 for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
1466 e = (xfs_dqtest_t *) d->HL_NEXT;
1467 kmem_free(d, sizeof(xfs_dqtest_t));
1472 if (qmtest_nfails) {
1473 cmn_err(CE_DEBUG, "******** quotacheck failed ********");
1474 cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails);
1476 cmn_err(CE_DEBUG, "******** quotacheck successful! ********");
1478 kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t));
1479 kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t));
1480 mutex_unlock(&qcheck_lock);
1481 return (qmtest_nfails);