4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/quota/quota_master.c
38 * Lustre Quota Master request handler
40 * Author: Niu YaWei <niu@clusterfs.com>
44 # define EXPORT_SYMTAB
47 #define DEBUG_SUBSYSTEM S_LQUOTA
49 #include <linux/version.h>
51 #include <asm/unistd.h>
52 #include <linux/slab.h>
53 #include <linux/quotaops.h>
54 #include <linux/module.h>
55 #include <linux/init.h>
56 #include <linux/quota.h>
58 #include <obd_class.h>
59 #include <lustre_quota.h>
60 #include <lustre_fsfilt.h>
61 #include <lustre_mds.h>
63 #include "quota_internal.h"
65 #ifdef HAVE_QUOTA_SUPPORT
67 /* lock ordering: mds->mds_qonoff_sem > dquot->dq_mutex > lqs->lqs_lock */
68 static cfs_list_t lustre_dquot_hash[NR_DQHASH];
69 static cfs_rwlock_t dquot_hash_lock = CFS_RW_LOCK_UNLOCKED;
71 cfs_mem_cache_t *lustre_dquot_cachep;
73 int lustre_dquot_init(void)
78 LASSERT(lustre_dquot_cachep == NULL);
79 lustre_dquot_cachep = cfs_mem_cache_create("lustre_dquot_cache",
80 sizeof(struct lustre_dquot),
82 if (!lustre_dquot_cachep)
85 for (i = 0; i < NR_DQHASH; i++) {
86 CFS_INIT_LIST_HEAD(lustre_dquot_hash + i);
91 void lustre_dquot_exit(void)
95 /* FIXME cleanup work ?? */
97 for (i = 0; i < NR_DQHASH; i++) {
98 LASSERT(cfs_list_empty(lustre_dquot_hash + i));
100 if (lustre_dquot_cachep) {
102 rc = cfs_mem_cache_destroy(lustre_dquot_cachep);
103 LASSERTF(rc == 0,"couldn't destroy lustre_dquot_cachep slab\n");
104 lustre_dquot_cachep = NULL;
110 dquot_hashfn(struct lustre_quota_info *info, unsigned int id, int type)
111 __attribute__((__const__));
114 dquot_hashfn(struct lustre_quota_info *info, unsigned int id, int type)
116 unsigned long tmp = ((unsigned long)info >> L1_CACHE_SHIFT) ^ id;
117 tmp = (tmp * (MAXQUOTAS - type)) % NR_DQHASH;
121 /* caller must hold dquot_hash_lock */
122 static struct lustre_dquot *find_dquot(int hashent,
123 struct lustre_quota_info *lqi, qid_t id,
126 struct lustre_dquot *dquot;
129 cfs_list_for_each_entry(dquot, &lustre_dquot_hash[hashent], dq_hash) {
130 if (dquot->dq_info == lqi &&
131 dquot->dq_id == id && dquot->dq_type == type)
137 static struct lustre_dquot *alloc_dquot(struct lustre_quota_info *lqi,
140 struct lustre_dquot *dquot = NULL;
143 OBD_SLAB_ALLOC_PTR_GFP(dquot, lustre_dquot_cachep, CFS_ALLOC_IO);
147 CFS_INIT_LIST_HEAD(&dquot->dq_hash);
148 cfs_mutex_init(&dquot->dq_mutex);
149 cfs_mutex_lock(&dquot->dq_mutex);
150 cfs_atomic_set(&dquot->dq_refcnt, 1);
151 dquot->dq_info = lqi;
153 dquot->dq_type = type;
158 static void free_dquot(struct lustre_dquot *dquot)
160 OBD_SLAB_FREE(dquot, lustre_dquot_cachep, sizeof(*dquot));
163 static void insert_dquot_nolock(struct lustre_dquot *dquot)
165 cfs_list_t *head = lustre_dquot_hash +
166 dquot_hashfn(dquot->dq_info, dquot->dq_id, dquot->dq_type);
167 LASSERT(cfs_list_empty(&dquot->dq_hash));
168 cfs_list_add(&dquot->dq_hash, head);
171 static void remove_dquot_nolock(struct lustre_dquot *dquot)
173 LASSERT(!cfs_list_empty(&dquot->dq_hash));
174 cfs_list_del_init(&dquot->dq_hash);
177 static void lustre_dqput(struct lustre_dquot *dquot)
180 cfs_write_lock(&dquot_hash_lock);
181 LASSERT(cfs_atomic_read(&dquot->dq_refcnt));
182 cfs_atomic_dec(&dquot->dq_refcnt);
183 if (cfs_atomic_read(&dquot->dq_refcnt) == 0) {
184 remove_dquot_nolock(dquot);
187 cfs_write_unlock(&dquot_hash_lock);
191 static struct lustre_dquot *lustre_dqget(struct obd_device *obd,
192 struct lustre_quota_info *lqi,
193 qid_t id, int type, int can_fake)
195 unsigned int hashent = dquot_hashfn(lqi, id, type);
196 struct lustre_dquot *dquot, *empty;
200 if ((empty = alloc_dquot(lqi, id, type)) == NULL)
201 RETURN(ERR_PTR(-ENOMEM));
203 cfs_read_lock(&dquot_hash_lock);
204 if ((dquot = find_dquot(hashent, lqi, id, type)) != NULL) {
205 cfs_atomic_inc(&dquot->dq_refcnt);
206 cfs_read_unlock(&dquot_hash_lock);
207 cfs_mutex_unlock(&empty->dq_mutex);
212 cfs_read_unlock(&dquot_hash_lock);
215 rc = fsfilt_dquot(obd, dquot, QFILE_RD_DQUOT);
216 cfs_mutex_unlock(&dquot->dq_mutex);
218 CERROR("can't read dquot from admin quotafile! "
223 cfs_write_lock(&dquot_hash_lock);
224 if ((dquot = find_dquot(hashent, lqi, id, type)) != NULL) {
225 cfs_atomic_inc(&dquot->dq_refcnt);
229 insert_dquot_nolock(dquot);
231 cfs_write_unlock(&dquot_hash_lock);
237 if (!can_fake && cfs_test_bit(DQ_FAKE_B, &dquot->dq_flags)) {
238 DQUOT_DEBUG(dquot, "It is a fake dquot: unexpected!\n");
240 dquot = ERR_PTR(-ENOENT);
250 static void init_oqaq(struct quota_adjust_qunit *oqaq,
251 struct lustre_quota_ctxt *qctxt,
254 struct lustre_qunit_size *lqs = NULL;
257 oqaq->qaq_flags = type;
258 lqs = quota_search_lqs(LQS_KEY(type, id), qctxt, 0);
259 if (lqs && !IS_ERR(lqs)) {
260 cfs_spin_lock(&lqs->lqs_lock);
261 oqaq->qaq_bunit_sz = lqs->lqs_bunit_sz;
262 oqaq->qaq_iunit_sz = lqs->lqs_iunit_sz;
263 oqaq->qaq_flags = lqs->lqs_flags;
264 cfs_spin_unlock(&lqs->lqs_lock);
267 CDEBUG(D_QUOTA, "Can't find the lustre qunit size!\n");
268 oqaq->qaq_bunit_sz = qctxt->lqc_bunit_sz;
269 oqaq->qaq_iunit_sz = qctxt->lqc_iunit_sz;
273 int dqacq_adjust_qunit_sz(struct obd_device *obd, qid_t id, int type,
276 struct mds_obd *mds = &obd->u.mds;
277 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
278 __u32 ost_num = mds->mds_lov_objid_count, mdt_num = 1;
279 struct quota_adjust_qunit *oqaq = NULL;
280 unsigned int qid[MAXQUOTAS] = { 0, 0 };
281 struct lustre_quota_info *info = &mds->mds_quota_info;
282 struct lustre_dquot *dquot = NULL;
288 cfs_down_read(&mds->mds_qonoff_sem);
289 dquot = lustre_dqget(obd, info, id, type, 0);
291 RETURN(PTR_ERR(dquot));
293 cfs_up_read(&mds->mds_qonoff_sem);
296 GOTO(out, rc = -ENOMEM);
298 cfs_mutex_lock(&dquot->dq_mutex);
299 init_oqaq(oqaq, qctxt, id, type);
301 rc = dquot_create_oqaq(qctxt, dquot, ost_num, mdt_num,
302 is_blk ? LQUOTA_FLAGS_ADJBLK :
303 LQUOTA_FLAGS_ADJINO, oqaq);
306 CERROR("create oqaq failed! (rc:%d)\n", rc);
309 QAQ_DEBUG(oqaq, "show oqaq.\n")
311 if (!QAQ_IS_ADJBLK(oqaq) && !QAQ_IS_ADJINO(oqaq))
314 /* adjust the mds slave qunit size */
315 adjust_res = quota_adjust_slave_lqs(oqaq, qctxt);
316 if (adjust_res <= 0) {
317 if (adjust_res < 0) {
319 CERROR("adjust mds slave's qunit size failed! "
322 CDEBUG(D_QUOTA, "qunit doesn't need to be adjusted.\n");
328 qid[GRPQUOTA] = dquot->dq_id;
330 qid[USRQUOTA] = dquot->dq_id;
332 cfs_mutex_unlock(&dquot->dq_mutex);
334 rc = qctxt_adjust_qunit(obd, qctxt, qid, is_blk, 0, NULL);
335 if (rc == -EDQUOT || rc == -EBUSY) {
336 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
340 CERROR("%s: mds fail to adjust file quota! (rc:%d)\n",
345 /* only when block qunit is reduced, boardcast to osts */
346 if ((adjust_res & LQS_BLK_DECREASE) && QAQ_IS_ADJBLK(oqaq))
347 rc = obd_quota_adjust_qunit(mds->mds_lov_exp, oqaq, qctxt, NULL);
356 cfs_mutex_unlock(&dquot->dq_mutex);
360 int dqacq_handler(struct obd_device *obd, struct qunit_data *qdata, int opc)
362 struct mds_obd *mds = &obd->u.mds;
363 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
364 struct lustre_quota_info *info = &mds->mds_quota_info;
365 struct lustre_dquot *dquot = NULL;
367 __u64 hlimit = 0, slimit = 0;
369 unsigned int grace = 0;
370 struct lustre_qunit_size *lqs = NULL;
374 if (OBD_FAIL_CHECK(OBD_FAIL_OBD_DQACQ))
377 if (!ll_sb_has_quota_active(qctxt->lqc_sb,
378 QDATA_IS_GRP(qdata) ? GRPQUOTA : USRQUOTA))
381 lqs = quota_search_lqs(LQS_KEY(QDATA_IS_GRP(qdata), qdata->qd_id),
390 cfs_spin_lock(&lqs->lqs_lock);
391 if (LQS_IS_RECOVERY(lqs)) {
392 cfs_spin_unlock(&lqs->lqs_lock);
393 LQS_DEBUG(lqs, "this lqs is under recovery\n");
394 GOTO(skip, rc = -EBUSY);
396 cfs_spin_unlock(&lqs->lqs_lock);
398 cfs_down_write(&mds->mds_qonoff_sem);
399 dquot = lustre_dqget(obd, info, qdata->qd_id, QDATA_IS_GRP(qdata), 0);
401 cfs_up_write(&mds->mds_qonoff_sem);
402 GOTO(skip, rc = PTR_ERR(dquot));
405 DQUOT_DEBUG(dquot, "get dquot in dqacq_handler\n");
406 QINFO_DEBUG(dquot->dq_info, "get dquot in dqadq_handler\n");
408 cfs_mutex_lock(&dquot->dq_mutex);
410 if (QDATA_IS_BLK(qdata)) {
411 grace = info->qi_info[QDATA_IS_GRP(qdata)].dqi_bgrace;
412 usage = &dquot->dq_dqb.dqb_curspace;
413 hlimit = dquot->dq_dqb.dqb_bhardlimit;
414 slimit = dquot->dq_dqb.dqb_bsoftlimit;
415 time = &dquot->dq_dqb.dqb_btime;
417 grace = info->qi_info[QDATA_IS_GRP(qdata)].dqi_igrace;
418 usage = (__u64 *) & dquot->dq_dqb.dqb_curinodes;
419 hlimit = dquot->dq_dqb.dqb_ihardlimit;
420 slimit = dquot->dq_dqb.dqb_isoftlimit;
421 time = &dquot->dq_dqb.dqb_itime;
424 /* if the quota limit in admin quotafile is zero, we just inform
425 * slave to clear quota limit with zero qd_count */
426 if (hlimit == 0 && slimit == 0) {
434 QUSG(*usage + qdata->qd_count, QDATA_IS_BLK(qdata)) > hlimit)
436 if (QDATA_IS_CHANGE_QS(qdata) &&
437 QUSG(*usage, QDATA_IS_BLK(qdata)) < hlimit)
438 qdata->qd_count = (hlimit -
439 QUSG(*usage, QDATA_IS_BLK(qdata)))
440 * (QDATA_IS_BLK(qdata) ?
441 QUOTABLOCK_SIZE : 1);
443 GOTO(out, rc = -EDQUOT);
447 QUSG(*usage + qdata->qd_count, QDATA_IS_BLK(qdata)) > slimit) {
448 if (*time && cfs_time_current_sec() >= *time)
449 GOTO(out, rc = -EDQUOT);
451 *time = cfs_time_current_sec() + grace;
454 *usage += qdata->qd_count;
457 /* The usage in administrative file might be incorrect before
459 if (*usage < qdata->qd_count)
462 *usage -= qdata->qd_count;
464 /* (usage <= soft limit) but not (usage < soft limit) */
465 if (!slimit || QUSG(*usage, QDATA_IS_BLK(qdata)) <= slimit)
472 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
475 cfs_mutex_unlock(&dquot->dq_mutex);
476 cfs_up_write(&mds->mds_qonoff_sem);
479 dqacq_adjust_qunit_sz(obd, qdata->qd_id, QDATA_IS_GRP(qdata),
480 QDATA_IS_BLK(qdata));
482 cfs_spin_lock(&lqs->lqs_lock);
483 qdata->qd_qunit = QDATA_IS_BLK(qdata) ? lqs->lqs_bunit_sz :
485 cfs_spin_unlock(&lqs->lqs_lock);
487 if (QDATA_IS_BLK(qdata))
488 QDATA_SET_ADJBLK(qdata);
490 QDATA_SET_ADJINO(qdata);
492 QDATA_DEBUG(qdata, "alloc/release qunit in dqacq_handler\n");
499 int mds_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
500 const unsigned int qpids[], int rc, int opc)
502 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
506 if (rc && rc != -EDQUOT && rc != ENOLCK)
510 case FSFILT_OP_SETATTR:
511 /* release file quota on original owner */
512 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 0, 0, NULL);
513 /* release block quota on original owner */
514 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
515 /* acquire file quota on current owner */
516 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
517 /* acquire block quota on current owner */
518 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
520 case FSFILT_OP_UNLINK_PARTIAL_CHILD:
521 /* release file quota on child */
522 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
523 /* rlease block quota on child */
524 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
526 case FSFILT_OP_CREATE_PARTIAL_CHILD:
527 /* acquire file quota on child */
528 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
529 /* acquire block quota on child */
530 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
533 /* acquire block quota on parent */
534 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
536 case FSFILT_OP_UNLINK:
537 /* release block quota on parent */
538 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
539 /* release file quota on child */
540 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
541 if (qpids[0] != qcids[0] || qpids[1] != qcids[1])
542 /* release block quota on child */
543 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0,
546 case FSFILT_OP_UNLINK_PARTIAL_PARENT:
547 /* release block quota on parent */
548 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
550 case FSFILT_OP_CREATE:
551 /* acquire block quota on parent */
552 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
553 /* acquire file quota on child */
554 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
555 if (qpids[0] != qcids[0] || qpids[1] != qcids[1])
556 /* acquire block quota on child */
557 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0,
567 "mds adjust qunit %ssuccessfully! (opc:%d rc:%d)\n",
568 rc2 == QUOTA_REQ_RETURNED ? "" : "un", opc, rc2);
572 int filter_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
573 const unsigned int qpids[], int rc, int opc)
575 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
579 if (rc && rc != -EDQUOT)
583 case FSFILT_OP_SETATTR:
584 /* acquire/release block quota on original & current owner */
585 rc = qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
586 rc2 = qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
588 case FSFILT_OP_UNLINK:
589 /* release block quota on this owner */
590 case FSFILT_OP_CREATE: /* XXX for write operation on obdfilter */
591 /* acquire block quota on this owner */
592 rc = qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
603 "filter adjust qunit %ssuccessfully! (opc:%d rc%d)\n",
604 rc == QUOTA_REQ_RETURNED ? "" : "un", opc, rc);
610 static const char prefix[] = "OBJECTS/";
612 int mds_quota_invalidate(struct obd_device *obd, struct obd_quotactl *oqctl)
614 struct mds_obd *mds = &obd->u.mds;
615 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
616 struct obd_device_target *obt = &obd->u.obt;
617 int rc = 0, i, rc1 = 0;
618 char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
620 struct lvfs_run_ctxt saved;
623 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
625 if (oqctl->qc_type != USRQUOTA &&
626 oqctl->qc_type != GRPQUOTA &&
627 oqctl->qc_type != UGQUOTA)
630 cfs_down(&obt->obt_quotachecking);
631 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
632 cfs_down_write(&mds->mds_qonoff_sem);
634 for (i = 0; i < MAXQUOTAS; i++) {
637 if (!Q_TYPESET(oqctl, i))
640 /* quota file has been opened ? */
641 if (qinfo->qi_files[i]) {
642 CWARN("quota[%d] is on yet\n", i);
647 LASSERT(strlen(quotafile[i]) + sizeof(prefix) <= sizeof(name));
648 sprintf(name, "%s%s", prefix, quotafile[i]);
650 fp = filp_open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
653 CERROR("%s: error invalidating admin quotafile %s (rc:%d)\n",
654 obd->obd_name, name, rc);
660 cfs_up_write(&mds->mds_qonoff_sem);
661 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
662 cfs_up(&obt->obt_quotachecking);
666 int mds_quota_finvalidate(struct obd_device *obd, struct obd_quotactl *oqctl)
668 struct mds_obd *mds = &obd->u.mds;
669 struct obd_device_target *obt = &obd->u.obt;
671 struct lvfs_run_ctxt saved;
674 if (oqctl->qc_type != USRQUOTA &&
675 oqctl->qc_type != GRPQUOTA &&
676 oqctl->qc_type != UGQUOTA)
679 cfs_down(&obt->obt_quotachecking);
680 if (obt->obt_qctxt.lqc_flags & UGQUOTA2LQC(oqctl->qc_type))
681 GOTO(out, rc = -EBUSY);
682 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
683 cfs_down_write(&mds->mds_qonoff_sem);
685 oqctl->qc_cmd = Q_FINVALIDATE;
686 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
688 rc = obd_quotactl(mds->mds_lov_exp, oqctl);
690 cfs_up_write(&mds->mds_qonoff_sem);
691 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
693 cfs_up(&obt->obt_quotachecking);
697 int init_admin_quotafiles(struct obd_device *obd, struct obd_quotactl *oqctl)
699 struct mds_obd *mds = &obd->u.mds;
700 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
701 const char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
702 struct lvfs_run_ctxt saved;
707 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
709 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
710 cfs_down_write(&mds->mds_qonoff_sem);
712 for (i = 0; i < MAXQUOTAS && !rc; i++) {
715 if (!Q_TYPESET(oqctl, i))
718 /* quota file has been opened ? */
719 if (qinfo->qi_files[i]) {
720 CWARN("init %s admin quotafile while quota on.\n",
721 i == USRQUOTA ? "user" : "group");
725 LASSERT(strlen(quotafile[i]) + sizeof(prefix) <= sizeof(name));
726 sprintf(name, "%s%s", prefix, quotafile[i]);
728 /* check if quota file exists and is correct */
729 fp = filp_open(name, O_RDONLY, 0);
731 /* irregular file is not the right place for quota */
732 if (!S_ISREG(fp->f_dentry->d_inode->i_mode)) {
733 CERROR("admin quota file %s is not "
739 qinfo->qi_files[i] = fp;
740 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_CHK);
741 qinfo->qi_files[i] = NULL;
750 /* -EINVAL may be returned by quotainfo for bad quota file */
751 if (rc != -ENOENT && rc != -EINVAL) {
752 CERROR("%s: error opening old quota file %s (%d)\n",
753 obd->obd_name, name, rc);
757 CDEBUG(D_INFO, "%s new quota file %s\n", name,
758 rc == -ENOENT ? "creating" : "overwriting");
760 /* create quota file overwriting old if needed */
761 fp = filp_open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
764 CERROR("%s: error creating admin quotafile %s (rc:%d)\n",
765 obd->obd_name, name, rc);
769 qinfo->qi_files[i] = fp;
771 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_INIT_INFO);
773 CERROR("error init %s admin quotafile! (rc:%d)\n",
774 i == USRQUOTA ? "user" : "group", rc);
777 qinfo->qi_files[i] = NULL;
780 cfs_up_write(&mds->mds_qonoff_sem);
781 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
785 static int close_quota_files(struct obd_quotactl *oqctl,
786 struct lustre_quota_info *qinfo)
791 for (i = 0; i < MAXQUOTAS; i++) {
792 if (!Q_TYPESET(oqctl, i))
794 if (qinfo->qi_files[i] == NULL) {
795 CDEBUG(D_QUOTA, "quota[%d] is off already\n", i);
799 filp_close(qinfo->qi_files[i], 0);
800 qinfo->qi_files[i] = NULL;
805 int mds_admin_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl)
807 struct mds_obd *mds = &obd->u.mds;
808 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
809 const char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
811 int i, rc = 0, rc1 = 0;
814 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
816 /* open admin quota files and read quotafile info */
817 for (i = 0; i < MAXQUOTAS; i++) {
820 if (!Q_TYPESET(oqctl, i) || qinfo->qi_files[i] != NULL)
823 LASSERT(strlen(quotafile[i])
824 + sizeof(prefix) <= sizeof(name));
825 sprintf(name, "%s%s", prefix, quotafile[i]);
826 fp = filp_open(name, O_RDWR, 0);
827 if (IS_ERR(fp) || !S_ISREG(fp->f_dentry->d_inode->i_mode)) {
828 rc = IS_ERR(fp) ? PTR_ERR(fp) : -EINVAL;
829 CERROR("error open/create %s! (rc:%d)\n", name, rc);
832 qinfo->qi_files[i] = fp;
834 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_CHK);
836 CERROR("invalid quota file %s! (rc:%d)\n", name, rc);
840 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_RD_INFO);
842 CERROR("error read quotainfo of %s! (rc:%d)\n", name,
848 if (rc && rc1 != -EALREADY)
849 close_quota_files(oqctl, qinfo);
854 int mds_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl)
859 if (oqctl->qc_type != USRQUOTA &&
860 oqctl->qc_type != GRPQUOTA &&
861 oqctl->qc_type != UGQUOTA)
864 rc = generic_quota_on(obd, oqctl, 1);
870 int mds_admin_quota_off(struct obd_device *obd,
871 struct obd_quotactl *oqctl)
873 struct mds_obd *mds = &obd->u.mds;
874 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
878 /* close admin quota files */
879 rc = close_quota_files(oqctl, qinfo);
884 /* with obt->obt_quotachecking held */
885 int do_mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl)
887 struct mds_obd *mds = &obd->u.mds;
888 struct obd_device_target *obt = &obd->u.obt;
889 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
890 struct lvfs_run_ctxt saved;
891 int rc = 0, rc1 = 0, rc2 = 0;
894 LASSERT_SEM_LOCKED(&obt->obt_quotachecking);
896 if (oqctl->qc_type != USRQUOTA &&
897 oqctl->qc_type != GRPQUOTA &&
898 oqctl->qc_type != UGQUOTA)
901 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
902 cfs_down_write(&mds->mds_qonoff_sem);
903 /* close admin quota files */
904 rc2 = mds_admin_quota_off(obd, oqctl);
905 if (rc2 && rc2 != -EALREADY) {
906 CWARN("mds quota[%d] is failed to be off for %d\n", oqctl->qc_type, rc2);
910 rc1 = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
912 obt->obt_qctxt.lqc_flags &= ~UGQUOTA2LQC(oqctl->qc_type);
913 } else if (quota_is_off(qctxt, oqctl)) {
914 CWARN("mds local quota[%d] is off already\n", oqctl->qc_type);
917 if (rc2 != -EALREADY) {
918 CWARN("mds local quota[%d] is failed to be off for %d\n",
919 oqctl->qc_type, rc1);
920 oqctl->qc_cmd = Q_QUOTAON;
921 mds_admin_quota_on(obd, oqctl);
922 oqctl->qc_cmd = Q_QUOTAOFF;
927 rc = obd_quotactl(mds->mds_lov_exp, oqctl);
928 if (rc && rc != -EALREADY) {
929 CWARN("mds remote quota[%d] is failed to be off for %d\n",
931 oqctl->qc_cmd = Q_QUOTAON;
932 if (rc2 != -EALREADY)
933 mds_admin_quota_on(obd, oqctl);
934 if (rc1 != -EALREADY) {
935 fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
936 qctxt->lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
938 oqctl->qc_cmd = Q_QUOTAOFF;
943 CDEBUG(D_QUOTA, "%s: quotaoff type:flags:rc %u:%lu:%d\n",
944 obd->obd_name, oqctl->qc_type, qctxt->lqc_flags, rc);
945 cfs_up_write(&mds->mds_qonoff_sem);
946 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
947 return rc ? : (rc1 ? : rc2);
950 int mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl)
952 struct obd_device_target *obt = &obd->u.obt;
956 cfs_down(&obt->obt_quotachecking);
957 rc = do_mds_quota_off(obd, oqctl);
958 cfs_up(&obt->obt_quotachecking);
962 int mds_set_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl)
964 struct mds_obd *mds = &obd->u.mds;
965 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
966 struct obd_dqinfo *dqinfo = &oqctl->qc_dqinfo;
970 if (oqctl->qc_type != USRQUOTA &&
971 oqctl->qc_type != GRPQUOTA)
974 cfs_down_write(&mds->mds_qonoff_sem);
975 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
976 CWARN("quota[%u] is off\n", oqctl->qc_type);
977 GOTO(out, rc = -ESRCH);
980 qinfo->qi_info[oqctl->qc_type].dqi_bgrace = dqinfo->dqi_bgrace;
981 qinfo->qi_info[oqctl->qc_type].dqi_igrace = dqinfo->dqi_igrace;
982 qinfo->qi_info[oqctl->qc_type].dqi_flags = dqinfo->dqi_flags;
984 rc = fsfilt_quotainfo(obd, qinfo, oqctl->qc_type, QFILE_WR_INFO);
988 cfs_up_write(&mds->mds_qonoff_sem);
992 int mds_get_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl)
994 struct mds_obd *mds = &obd->u.mds;
995 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
996 struct obd_dqinfo *dqinfo = &oqctl->qc_dqinfo;
1000 if (oqctl->qc_type != USRQUOTA &&
1001 oqctl->qc_type != GRPQUOTA)
1004 cfs_down_read(&mds->mds_qonoff_sem);
1005 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
1006 CWARN("quota[%u] is off\n", oqctl->qc_type);
1007 GOTO(out, rc = -ESRCH);
1010 dqinfo->dqi_bgrace = qinfo->qi_info[oqctl->qc_type].dqi_bgrace;
1011 dqinfo->dqi_igrace = qinfo->qi_info[oqctl->qc_type].dqi_igrace;
1012 dqinfo->dqi_flags = qinfo->qi_info[oqctl->qc_type].dqi_flags;
1016 cfs_up_read(&mds->mds_qonoff_sem);
1020 int dquot_create_oqaq(struct lustre_quota_ctxt *qctxt,
1021 struct lustre_dquot *dquot, __u32 ost_num, __u32 mdt_num,
1022 int type, struct quota_adjust_qunit *oqaq)
1024 __u64 bunit_curr_o, iunit_curr_o;
1025 unsigned long shrink_qunit_limit = qctxt->lqc_cqs_boundary_factor;
1026 unsigned long cqs_factor = qctxt->lqc_cqs_qs_factor;
1027 __u64 blimit = dquot->dq_dqb.dqb_bhardlimit ?
1028 dquot->dq_dqb.dqb_bhardlimit : dquot->dq_dqb.dqb_bsoftlimit;
1029 __u64 ilimit = dquot->dq_dqb.dqb_ihardlimit ?
1030 dquot->dq_dqb.dqb_ihardlimit : dquot->dq_dqb.dqb_isoftlimit;
1034 if (!dquot || !oqaq)
1036 LASSERT_MUTEX_LOCKED(&dquot->dq_mutex);
1037 LASSERT(oqaq->qaq_iunit_sz);
1038 LASSERT(oqaq->qaq_bunit_sz);
1040 /* don't change qunit size */
1041 if (!qctxt->lqc_switch_qs)
1044 bunit_curr_o = oqaq->qaq_bunit_sz;
1045 iunit_curr_o = oqaq->qaq_iunit_sz;
1047 if (dquot->dq_type == GRPQUOTA)
1050 if ((type & LQUOTA_FLAGS_ADJBLK) && blimit) {
1051 __u64 b_limitation =
1052 oqaq->qaq_bunit_sz * (ost_num + 1) * shrink_qunit_limit;
1053 /* enlarge block qunit size */
1055 QUSG(dquot->dq_dqb.dqb_curspace + 2 * b_limitation, 1)) {
1056 oqaq->qaq_bunit_sz =
1057 QUSG(oqaq->qaq_bunit_sz * cqs_factor, 1)
1059 if (oqaq->qaq_bunit_sz >= qctxt->lqc_bunit_sz)
1061 b_limitation = oqaq->qaq_bunit_sz * (ost_num + 1) *
1065 if (oqaq->qaq_bunit_sz > qctxt->lqc_bunit_sz)
1066 oqaq->qaq_bunit_sz = qctxt->lqc_bunit_sz;
1068 /* shrink block qunit size */
1070 QUSG(dquot->dq_dqb.dqb_curspace + b_limitation, 1)) {
1071 do_div(oqaq->qaq_bunit_sz , cqs_factor);
1072 oqaq->qaq_bunit_sz = QUSG(oqaq->qaq_bunit_sz, 1) <<
1074 b_limitation = oqaq->qaq_bunit_sz * (ost_num + 1) *
1076 if (oqaq->qaq_bunit_sz < qctxt->lqc_cqs_least_bunit)
1080 if (oqaq->qaq_bunit_sz < qctxt->lqc_cqs_least_bunit)
1081 oqaq->qaq_bunit_sz = qctxt->lqc_cqs_least_bunit;
1083 if (bunit_curr_o != oqaq->qaq_bunit_sz)
1084 QAQ_SET_ADJBLK(oqaq);
1088 if ((type & LQUOTA_FLAGS_ADJINO) && ilimit) {
1089 __u64 i_limitation =
1090 oqaq->qaq_iunit_sz * mdt_num * shrink_qunit_limit;
1091 /* enlarge file qunit size */
1092 while (ilimit > dquot->dq_dqb.dqb_curinodes
1093 + 2 * i_limitation) {
1094 oqaq->qaq_iunit_sz = oqaq->qaq_iunit_sz * cqs_factor;
1095 if (oqaq->qaq_iunit_sz >= qctxt->lqc_iunit_sz)
1097 i_limitation = oqaq->qaq_iunit_sz * mdt_num *
1101 if (oqaq->qaq_iunit_sz > qctxt->lqc_iunit_sz)
1102 oqaq->qaq_iunit_sz = qctxt->lqc_iunit_sz;
1104 /* shrink file qunit size */
1105 while (ilimit < dquot->dq_dqb.dqb_curinodes
1107 do_div(oqaq->qaq_iunit_sz, cqs_factor);
1108 i_limitation = oqaq->qaq_iunit_sz * mdt_num *
1110 if (oqaq->qaq_iunit_sz < qctxt->lqc_cqs_least_iunit)
1114 if (oqaq->qaq_iunit_sz < qctxt->lqc_cqs_least_iunit)
1115 oqaq->qaq_iunit_sz = qctxt->lqc_cqs_least_iunit;
1117 if (iunit_curr_o != oqaq->qaq_iunit_sz)
1118 QAQ_SET_ADJINO(oqaq);
1122 QAQ_DEBUG(oqaq, "the oqaq computed\n");
1127 static int mds_init_slave_ilimits(struct obd_device *obd,
1128 struct obd_quotactl *oqctl, int set)
1130 /* XXX: for file limits only adjust local now */
1131 struct obd_device_target *obt = &obd->u.obt;
1132 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
1133 unsigned int id[MAXQUOTAS] = { 0, 0 };
1134 struct obd_quotactl *ioqc = NULL;
1135 struct lustre_qunit_size *lqs;
1140 /* if we are going to set zero limit, needn't init slaves */
1141 if (!oqctl->qc_dqblk.dqb_ihardlimit && !oqctl->qc_dqblk.dqb_isoftlimit &&
1145 OBD_ALLOC_PTR(ioqc);
1149 flag = oqctl->qc_dqblk.dqb_ihardlimit ||
1150 oqctl->qc_dqblk.dqb_isoftlimit || !set;
1151 ioqc->qc_cmd = flag ? Q_INITQUOTA : Q_SETQUOTA;
1152 ioqc->qc_id = oqctl->qc_id;
1153 ioqc->qc_type = oqctl->qc_type;
1154 ioqc->qc_dqblk.dqb_valid = QIF_ILIMITS;
1155 ioqc->qc_dqblk.dqb_ihardlimit = flag ? MIN_QLIMIT : 0;
1157 /* build lqs for mds */
1158 lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id),
1159 qctxt, flag ? 1 : 0);
1160 if (lqs && !IS_ERR(lqs)) {
1162 lqs->lqs_flags |= QI_SET;
1164 lqs->lqs_flags &= ~QI_SET;
1167 CERROR("fail to %s lqs for inode(%s id: %u)!\n",
1168 flag ? "create" : "search",
1169 oqctl->qc_type ? "group" : "user",
1171 GOTO(out, rc = PTR_ERR(lqs));
1174 /* set local limit to MIN_QLIMIT */
1175 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, ioqc);
1179 /* trigger local qunit pre-acquire */
1180 if (oqctl->qc_type == USRQUOTA)
1181 id[USRQUOTA] = oqctl->qc_id;
1183 id[GRPQUOTA] = oqctl->qc_id;
1185 rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt, id, 0, 0, NULL);
1186 if (rc == -EDQUOT || rc == -EBUSY) {
1187 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
1191 CDEBUG(D_QUOTA,"error mds adjust local file quota! (rc:%d)\n",
1195 /* FIXME initialize all slaves in CMD */
1203 static int mds_init_slave_blimits(struct obd_device *obd,
1204 struct obd_quotactl *oqctl, int set)
1206 struct obd_device_target *obt = &obd->u.obt;
1207 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
1208 struct mds_obd *mds = &obd->u.mds;
1209 struct obd_quotactl *ioqc;
1210 struct lustre_qunit_size *lqs;
1211 unsigned int id[MAXQUOTAS] = { 0, 0 };
1216 /* if we are going to set zero limit, needn't init slaves */
1217 if (!oqctl->qc_dqblk.dqb_bhardlimit && !oqctl->qc_dqblk.dqb_bsoftlimit &&
1221 OBD_ALLOC_PTR(ioqc);
1225 flag = oqctl->qc_dqblk.dqb_bhardlimit ||
1226 oqctl->qc_dqblk.dqb_bsoftlimit || !set;
1227 ioqc->qc_cmd = flag ? Q_INITQUOTA : Q_SETQUOTA;
1228 ioqc->qc_id = oqctl->qc_id;
1229 ioqc->qc_type = oqctl->qc_type;
1230 ioqc->qc_dqblk.dqb_valid = QIF_BLIMITS;
1231 ioqc->qc_dqblk.dqb_bhardlimit = flag ? MIN_QLIMIT : 0;
1233 /* build lqs for mds */
1234 lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id),
1235 qctxt, flag ? 1 : 0);
1236 if (lqs && !IS_ERR(lqs)) {
1238 lqs->lqs_flags |= QB_SET;
1240 lqs->lqs_flags &= ~QB_SET;
1243 CERROR("fail to %s lqs for block(%s id: %u)!\n",
1244 flag ? "create" : "search",
1245 oqctl->qc_type ? "group" : "user",
1247 GOTO(out, rc = PTR_ERR(lqs));
1250 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, ioqc);
1254 /* trigger local qunit pre-acquire */
1255 if (oqctl->qc_type == USRQUOTA)
1256 id[USRQUOTA] = oqctl->qc_id;
1258 id[GRPQUOTA] = oqctl->qc_id;
1260 /* initialize all slave's limit */
1261 rc = obd_quotactl(mds->mds_lov_exp, ioqc);
1263 rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt, id, 1, 0, NULL);
1264 if (rc == -EDQUOT || rc == -EBUSY) {
1265 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
1269 CERROR("error mds adjust local block quota! (rc:%d)\n", rc);
1279 static void adjust_lqs(struct obd_device *obd, struct quota_adjust_qunit *qaq)
1281 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
1284 QAQ_SET_CREATE_LQS(qaq);
1285 /* adjust local lqs */
1286 rc = quota_adjust_slave_lqs(qaq, qctxt);
1288 CERROR("adjust master's qunit size failed!(rc=%d)\n", rc);
1290 /* adjust remote lqs */
1291 if (QAQ_IS_ADJBLK(qaq)) {
1292 rc = obd_quota_adjust_qunit(obd->u.mds.mds_lov_exp, qaq, qctxt, NULL);
1294 CERROR("adjust slaves' qunit size failed!(rc=%d)\n", rc);
1299 int mds_set_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl)
1301 struct mds_obd *mds = &obd->u.mds;
1302 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
1303 struct obd_device *lov_obd = class_exp2obd(mds->mds_lov_exp);
1304 struct lov_obd *lov = &lov_obd->u.lov;
1305 struct quota_adjust_qunit *oqaq = NULL;
1306 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1307 __u64 ihardlimit, isoftlimit, bhardlimit, bsoftlimit;
1308 time_t btime, itime;
1309 struct lustre_dquot *dquot;
1310 struct obd_dqblk *dqblk = &oqctl->qc_dqblk;
1311 /* orig_set means if quota was set before; now_set means we are
1312 * setting/cancelling quota */
1313 int orig_set, now_set;
1314 struct lustre_qunit_size *lqs;
1315 int rc = 0, rc2 = 0, flag = 0;
1318 if (oqctl->qc_type != USRQUOTA &&
1319 oqctl->qc_type != GRPQUOTA)
1322 OBD_ALLOC_PTR(oqaq);
1326 cfs_down_write(&mds->mds_qonoff_sem);
1327 init_oqaq(oqaq, qctxt, oqctl->qc_id, oqctl->qc_type);
1329 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
1330 CWARN("quota[%u] is off\n", oqctl->qc_type);
1331 GOTO(out_sem, rc = -ESRCH);
1334 dquot = lustre_dqget(obd, qinfo, oqctl->qc_id, oqctl->qc_type, 1);
1336 GOTO(out_sem, rc = PTR_ERR(dquot));
1337 DQUOT_DEBUG(dquot, "get dquot in mds_set_blk\n");
1338 QINFO_DEBUG(dquot->dq_info, "get dquot in mds_set_blk\n");
1340 lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id), qctxt, 1);
1348 cfs_mutex_lock(&dquot->dq_mutex);
1349 cfs_spin_lock(&lqs->lqs_lock);
1350 if (LQS_IS_SETQUOTA(lqs) || LQS_IS_RECOVERY(lqs)) {
1351 cfs_spin_unlock(&lqs->lqs_lock);
1352 cfs_mutex_unlock(&dquot->dq_mutex);
1353 GOTO(skip, rc = -EBUSY);
1355 LQS_SET_SETQUOTA(lqs);
1356 cfs_spin_unlock(&lqs->lqs_lock);
1358 ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
1359 isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
1360 bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
1361 bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
1362 btime = dquot->dq_dqb.dqb_btime;
1363 itime = dquot->dq_dqb.dqb_itime;
1365 if (dqblk->dqb_valid & QIF_BTIME)
1366 dquot->dq_dqb.dqb_btime = dqblk->dqb_btime;
1367 if (dqblk->dqb_valid & QIF_ITIME)
1368 dquot->dq_dqb.dqb_itime = dqblk->dqb_itime;
1370 if (dqblk->dqb_valid & QIF_BLIMITS) {
1371 dquot->dq_dqb.dqb_bhardlimit = dqblk->dqb_bhardlimit;
1372 dquot->dq_dqb.dqb_bsoftlimit = dqblk->dqb_bsoftlimit;
1373 /* clear usage (limit pool) */
1374 if (!dquot->dq_dqb.dqb_bhardlimit &&
1375 !dquot->dq_dqb.dqb_bsoftlimit)
1376 dquot->dq_dqb.dqb_curspace = 0;
1378 /* clear grace time */
1379 if (!dqblk->dqb_bsoftlimit ||
1380 toqb(dquot->dq_dqb.dqb_curspace) <= dqblk->dqb_bsoftlimit)
1381 dquot->dq_dqb.dqb_btime = 0;
1382 /* set grace only if user hasn't provided his own */
1383 else if (!(dqblk->dqb_valid & QIF_BTIME))
1384 dquot->dq_dqb.dqb_btime = cfs_time_current_sec() +
1385 qinfo->qi_info[dquot->dq_type].dqi_bgrace;
1387 flag |= LQUOTA_FLAGS_ADJBLK;
1390 if (dqblk->dqb_valid & QIF_ILIMITS) {
1391 dquot->dq_dqb.dqb_ihardlimit = dqblk->dqb_ihardlimit;
1392 dquot->dq_dqb.dqb_isoftlimit = dqblk->dqb_isoftlimit;
1393 /* clear usage (limit pool) */
1394 if (!dquot->dq_dqb.dqb_ihardlimit &&
1395 !dquot->dq_dqb.dqb_isoftlimit)
1396 dquot->dq_dqb.dqb_curinodes = 0;
1398 if (!dqblk->dqb_isoftlimit ||
1399 dquot->dq_dqb.dqb_curinodes <= dqblk->dqb_isoftlimit)
1400 dquot->dq_dqb.dqb_itime = 0;
1401 else if (!(dqblk->dqb_valid & QIF_ITIME))
1402 dquot->dq_dqb.dqb_itime = cfs_time_current_sec() +
1403 qinfo->qi_info[dquot->dq_type].dqi_igrace;
1405 flag |= LQUOTA_FLAGS_ADJINO;
1407 QAQ_DEBUG(oqaq, "before dquot_create_oqaq\n");
1408 rc = dquot_create_oqaq(qctxt, dquot, lov->desc.ld_tgt_count, 1,
1410 QAQ_DEBUG(oqaq, "after dquot_create_oqaq\n");
1412 CDEBUG(D_QUOTA, "adjust qunit size failed! (rc:%d)\n", rc);
1415 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1417 cfs_mutex_unlock(&dquot->dq_mutex);
1420 CERROR("set limit failed! (rc:%d)\n", rc);
1421 GOTO(update_fail, rc);
1424 cfs_up_write(&mds->mds_qonoff_sem);
1425 adjust_lqs(obd, oqaq);
1427 orig_set = ihardlimit || isoftlimit;
1428 now_set = dqblk->dqb_ihardlimit || dqblk->dqb_isoftlimit;
1429 if (dqblk->dqb_valid & QIF_ILIMITS && orig_set != now_set) {
1430 cfs_mutex_lock(&dquot->dq_mutex);
1431 dquot->dq_dqb.dqb_curinodes = 0;
1432 cfs_mutex_unlock(&dquot->dq_mutex);
1433 rc = mds_init_slave_ilimits(obd, oqctl, orig_set);
1435 CERROR("init slave ilimits failed! (rc:%d)\n", rc);
1440 orig_set = bhardlimit || bsoftlimit;
1441 now_set = dqblk->dqb_bhardlimit || dqblk->dqb_bsoftlimit;
1442 if (dqblk->dqb_valid & QIF_BLIMITS && orig_set != now_set) {
1443 cfs_mutex_lock(&dquot->dq_mutex);
1444 dquot->dq_dqb.dqb_curspace = 0;
1445 cfs_mutex_unlock(&dquot->dq_mutex);
1446 rc = mds_init_slave_blimits(obd, oqctl, orig_set);
1448 CERROR("init slave blimits failed! (rc:%d)\n", rc);
1454 cfs_down_write(&mds->mds_qonoff_sem);
1455 cfs_mutex_lock(&dquot->dq_mutex);
1457 /* cancel previous setting */
1458 dquot->dq_dqb.dqb_ihardlimit = ihardlimit;
1459 dquot->dq_dqb.dqb_isoftlimit = isoftlimit;
1460 dquot->dq_dqb.dqb_bhardlimit = bhardlimit;
1461 dquot->dq_dqb.dqb_bsoftlimit = bsoftlimit;
1462 dquot->dq_dqb.dqb_btime = btime;
1463 dquot->dq_dqb.dqb_itime = itime;
1465 rc2 = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1466 cfs_mutex_unlock(&dquot->dq_mutex);
1468 cfs_spin_lock(&lqs->lqs_lock);
1469 LQS_CLEAR_SETQUOTA(lqs);
1470 cfs_spin_unlock(&lqs->lqs_lock);
1474 lustre_dqput(dquot);
1477 cfs_up_write(&mds->mds_qonoff_sem);
1482 return rc ? rc : rc2;
1485 static int mds_get_space(struct obd_device *obd, struct obd_quotactl *oqctl)
1487 struct obd_quotactl *soqc;
1488 struct lvfs_run_ctxt saved;
1492 OBD_ALLOC_PTR(soqc);
1496 soqc->qc_cmd = Q_GETOQUOTA;
1497 soqc->qc_id = oqctl->qc_id;
1498 soqc->qc_type = oqctl->qc_type;
1500 /* get block usage from OSS */
1501 soqc->qc_dqblk.dqb_curspace = 0;
1502 rc = obd_quotactl(obd->u.mds.mds_lov_exp, soqc);
1503 if (!rc || rc == -EREMOTEIO) {
1504 oqctl->qc_dqblk.dqb_curspace = soqc->qc_dqblk.dqb_curspace;
1505 oqctl->qc_dqblk.dqb_valid |= QIF_SPACE;
1508 /* get block/inode usage from MDS */
1509 soqc->qc_dqblk.dqb_curspace = 0;
1510 soqc->qc_dqblk.dqb_curinodes = 0;
1511 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1512 rc1 = fsfilt_quotactl(obd, obd->u.obt.obt_sb, soqc);
1513 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1515 oqctl->qc_dqblk.dqb_curspace += soqc->qc_dqblk.dqb_curspace;
1516 oqctl->qc_dqblk.dqb_curinodes = soqc->qc_dqblk.dqb_curinodes;
1517 oqctl->qc_dqblk.dqb_valid |= QIF_INODES;
1525 int mds_get_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl)
1527 struct mds_obd *mds = &obd->u.mds;
1528 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1529 struct lustre_dquot *dquot;
1530 struct obd_dqblk *dqblk = &oqctl->qc_dqblk;
1534 if (oqctl->qc_type != USRQUOTA &&
1535 oqctl->qc_type != GRPQUOTA)
1538 cfs_down_read(&mds->mds_qonoff_sem);
1539 dqblk->dqb_valid = 0;
1540 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
1541 CWARN("quota[%u] is off\n", oqctl->qc_type);
1542 GOTO(out, rc = -ESRCH);
1545 dquot = lustre_dqget(obd, qinfo, oqctl->qc_id, oqctl->qc_type, 1);
1547 GOTO(out, rc = PTR_ERR(dquot));
1549 cfs_mutex_lock(&dquot->dq_mutex);
1550 dqblk->dqb_ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
1551 dqblk->dqb_isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
1552 dqblk->dqb_bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
1553 dqblk->dqb_bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
1554 dqblk->dqb_btime = dquot->dq_dqb.dqb_btime;
1555 dqblk->dqb_itime = dquot->dq_dqb.dqb_itime;
1556 dqblk->dqb_valid |= QIF_LIMITS | QIF_TIMES;
1557 cfs_mutex_unlock(&dquot->dq_mutex);
1559 lustre_dqput(dquot);
1560 cfs_up_read(&mds->mds_qonoff_sem);
1562 /* the usages in admin quota file is inaccurate */
1563 dqblk->dqb_curinodes = 0;
1564 dqblk->dqb_curspace = 0;
1565 rc = mds_get_space(obd, oqctl);
1570 cfs_up_read(&mds->mds_qonoff_sem);
1574 int mds_get_obd_quota(struct obd_device *obd, struct obd_quotactl *oqctl)
1576 struct lvfs_run_ctxt saved;
1580 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1581 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
1582 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1588 /* FIXME we only recovery block limit by now, need recovery inode
1589 * limits also after CMD involved in */
1591 dquot_recovery(struct obd_device *obd, unsigned int id, unsigned short type)
1593 struct mds_obd *mds = &obd->u.mds;
1594 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
1595 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1596 struct lustre_qunit_size *lqs;
1597 struct lustre_dquot *dquot;
1598 struct obd_quotactl *qctl;
1599 __u64 total_limits = 0;
1603 OBD_ALLOC_PTR(qctl);
1607 dquot = lustre_dqget(obd, qinfo, id, type, 0);
1608 if (IS_ERR(dquot)) {
1609 CERROR("Get dquot failed. (rc:%ld)\n", PTR_ERR(dquot));
1611 RETURN(PTR_ERR(dquot));
1614 lqs = quota_search_lqs(LQS_KEY(type, id), qctxt, 1);
1622 cfs_mutex_lock(&dquot->dq_mutex);
1624 /* don't recover the dquot without limits or quota is setting or
1625 * another recovery is already going on */
1626 if (!(dquot->dq_dqb.dqb_bhardlimit || dquot->dq_dqb.dqb_bsoftlimit) ||
1627 LQS_IS_SETQUOTA(lqs) || LQS_IS_RECOVERY(lqs)) {
1628 cfs_mutex_unlock(&dquot->dq_mutex);
1629 GOTO(skip1, rc = 0);
1632 cfs_spin_lock(&lqs->lqs_lock);
1633 LQS_SET_RECOVERY(lqs);
1634 cfs_spin_unlock(&lqs->lqs_lock);
1635 cfs_mutex_unlock(&dquot->dq_mutex);
1637 /* release mds_qonoff_sem during obd_quotactl ops here */
1638 cfs_up_write(&mds->mds_qonoff_sem);
1640 /* get real bhardlimit from all slaves. */
1641 qctl->qc_cmd = Q_GETOQUOTA;
1642 qctl->qc_type = type;
1644 qctl->qc_stat = QUOTA_RECOVERING;
1645 rc = obd_quotactl(mds->mds_lov_exp, qctl);
1646 cfs_down_write(&mds->mds_qonoff_sem);
1649 total_limits = qctl->qc_dqblk.dqb_bhardlimit;
1651 /* get real bhardlimit from master */
1652 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, qctl);
1655 total_limits += qctl->qc_dqblk.dqb_bhardlimit;
1657 /* amend the usage of the administrative quotafile */
1658 cfs_mutex_lock(&dquot->dq_mutex);
1660 dquot->dq_dqb.dqb_curspace = total_limits << QUOTABLOCK_BITS;
1662 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1664 CERROR("write dquot failed! (rc:%d)\n", rc);
1666 cfs_mutex_unlock(&dquot->dq_mutex);
1669 cfs_spin_lock(&lqs->lqs_lock);
1670 LQS_CLEAR_RECOVERY(lqs);
1671 cfs_spin_unlock(&lqs->lqs_lock);
1675 lustre_dqput(dquot);
1680 struct qmaster_recov_thread_data {
1681 struct obd_device *obd;
1682 cfs_completion_t comp;
1685 static int qmaster_recovery_main(void *arg)
1687 struct qmaster_recov_thread_data *data = arg;
1688 struct obd_device *obd = data->obd;
1689 struct mds_obd *mds = &obd->u.mds;
1690 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1692 unsigned short type;
1695 cfs_daemonize_ctxt("qmaster_recovd");
1698 class_incref(obd, "qmaster_recovd_mds", obd);
1700 class_incref(mds->mds_lov_obd, "qmaster_recovd_lov", mds->mds_lov_obd);
1702 cfs_complete(&data->comp);
1704 cfs_down_write(&mds->mds_qonoff_sem);
1705 for (type = USRQUOTA; type < MAXQUOTAS; type++) {
1707 struct dquot_id *dqid, *tmp;
1709 if (qinfo->qi_files[type] == NULL)
1712 CFS_INIT_LIST_HEAD(&id_list);
1713 rc = fsfilt_qids(obd, qinfo->qi_files[type], NULL, type,
1716 CERROR("error get ids from admin quotafile.(%d)\n", rc);
1718 cfs_list_for_each_entry_safe(dqid, tmp, &id_list, di_link) {
1719 cfs_list_del_init(&dqid->di_link);
1723 rc = dquot_recovery(obd, dqid->di_id, type);
1725 CERROR("%s: qmaster recovery failed for %sid %d"
1726 " rc:%d)\n", obd->obd_name,
1727 type ? "g" : "u", dqid->di_id, rc);
1732 cfs_up_write(&mds->mds_qonoff_sem);
1733 class_decref(mds->mds_lov_obd, "qmaster_recovd_lov", mds->mds_lov_obd);
1734 class_decref(obd, "qmaster_recovd_mds", obd);
1738 int mds_quota_recovery(struct obd_device *obd)
1740 struct mds_obd *mds = &obd->u.mds;
1741 struct qmaster_recov_thread_data data;
1745 if (!ll_sb_any_quota_active(obd->u.obt.obt_qctxt.lqc_sb))
1748 if (unlikely(!mds->mds_quota || obd->obd_stopping))
1751 cfs_mutex_lock(&obd->obd_dev_mutex);
1752 if (mds->mds_lov_desc.ld_active_tgt_count != mds->mds_lov_objid_count) {
1753 CWARN("Only %u/%u OSTs are active, abort quota recovery\n",
1754 mds->mds_lov_desc.ld_active_tgt_count,
1755 mds->mds_lov_objid_count);
1756 cfs_mutex_unlock(&obd->obd_dev_mutex);
1759 cfs_mutex_unlock(&obd->obd_dev_mutex);
1762 cfs_init_completion(&data.comp);
1764 rc = cfs_create_thread(qmaster_recovery_main, &data,
1767 CERROR("%s: cannot start quota recovery thread: rc %d\n",
1770 cfs_wait_for_completion(&data.comp);
1774 #endif /* HAVE_QUOTA_SUPPORT */