1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
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_sem */
68 static cfs_list_t lustre_dquot_hash[NR_DQHASH];
69 static cfs_spinlock_t dquot_hash_lock = CFS_SPIN_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 LASSERT_SPIN_LOCKED(&dquot_hash_lock);
130 cfs_list_for_each_entry(dquot, &lustre_dquot_hash[hashent], dq_hash) {
131 if (dquot->dq_info == lqi &&
132 dquot->dq_id == id && dquot->dq_type == type)
138 static struct lustre_dquot *alloc_dquot(struct lustre_quota_info *lqi,
141 struct lustre_dquot *dquot = NULL;
144 OBD_SLAB_ALLOC_PTR_GFP(dquot, lustre_dquot_cachep, CFS_ALLOC_IO);
148 CFS_INIT_LIST_HEAD(&dquot->dq_hash);
149 cfs_init_mutex_locked(&dquot->dq_sem);
150 dquot->dq_refcnt = 1;
151 dquot->dq_info = lqi;
153 dquot->dq_type = type;
154 dquot->dq_status = DQ_STATUS_AVAIL;
159 static void free_dquot(struct lustre_dquot *dquot)
161 OBD_SLAB_FREE(dquot, lustre_dquot_cachep, sizeof(*dquot));
164 static void insert_dquot_nolock(struct lustre_dquot *dquot)
166 cfs_list_t *head = lustre_dquot_hash +
167 dquot_hashfn(dquot->dq_info, dquot->dq_id, dquot->dq_type);
168 LASSERT(cfs_list_empty(&dquot->dq_hash));
169 cfs_list_add(&dquot->dq_hash, head);
172 static void remove_dquot_nolock(struct lustre_dquot *dquot)
174 LASSERT(!cfs_list_empty(&dquot->dq_hash));
175 cfs_list_del_init(&dquot->dq_hash);
178 static void lustre_dqput(struct lustre_dquot *dquot)
181 cfs_spin_lock(&dquot_hash_lock);
182 LASSERT(dquot->dq_refcnt);
184 if (!dquot->dq_refcnt) {
185 remove_dquot_nolock(dquot);
188 cfs_spin_unlock(&dquot_hash_lock);
192 static struct lustre_dquot *lustre_dqget(struct obd_device *obd,
193 struct lustre_quota_info *lqi,
196 unsigned int hashent = dquot_hashfn(lqi, id, type);
197 struct lustre_dquot *dquot, *empty;
200 if ((empty = alloc_dquot(lqi, id, type)) == NULL)
201 RETURN(ERR_PTR(-ENOMEM));
203 cfs_spin_lock(&dquot_hash_lock);
204 if ((dquot = find_dquot(hashent, lqi, id, type)) != NULL) {
206 cfs_spin_unlock(&dquot_hash_lock);
212 insert_dquot_nolock(dquot);
213 cfs_spin_unlock(&dquot_hash_lock);
215 rc = fsfilt_dquot(obd, dquot, QFILE_RD_DQUOT);
216 cfs_up(&dquot->dq_sem);
218 CERROR("can't read dquot from admin quotafile! "
230 static void init_oqaq(struct quota_adjust_qunit *oqaq,
231 struct lustre_quota_ctxt *qctxt,
234 struct lustre_qunit_size *lqs = NULL;
237 oqaq->qaq_flags = type;
238 lqs = quota_search_lqs(LQS_KEY(type, id), qctxt, 0);
239 if (lqs && !IS_ERR(lqs)) {
240 cfs_spin_lock(&lqs->lqs_lock);
241 oqaq->qaq_bunit_sz = lqs->lqs_bunit_sz;
242 oqaq->qaq_iunit_sz = lqs->lqs_iunit_sz;
243 oqaq->qaq_flags = lqs->lqs_flags;
244 cfs_spin_unlock(&lqs->lqs_lock);
247 CDEBUG(D_QUOTA, "Can't find the lustre qunit size!\n");
248 oqaq->qaq_bunit_sz = qctxt->lqc_bunit_sz;
249 oqaq->qaq_iunit_sz = qctxt->lqc_iunit_sz;
253 int dqacq_adjust_qunit_sz(struct obd_device *obd, qid_t id, int type,
256 struct mds_obd *mds = &obd->u.mds;
257 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
258 __u32 ost_num = mds->mds_lov_objid_count, mdt_num = 1;
259 struct quota_adjust_qunit *oqaq = NULL;
260 unsigned int qid[MAXQUOTAS] = { 0, 0 };
261 struct lustre_quota_info *info = &mds->mds_quota_info;
262 struct lustre_dquot *dquot = NULL;
268 cfs_down_read(&mds->mds_qonoff_sem);
269 dquot = lustre_dqget(obd, info, id, type);
271 RETURN(PTR_ERR(dquot));
273 cfs_up_read(&mds->mds_qonoff_sem);
276 GOTO(out, rc = -ENOMEM);
278 cfs_down(&dquot->dq_sem);
279 init_oqaq(oqaq, qctxt, id, type);
281 rc = dquot_create_oqaq(qctxt, dquot, ost_num, mdt_num,
282 is_blk ? LQUOTA_FLAGS_ADJBLK :
283 LQUOTA_FLAGS_ADJINO, oqaq);
286 CERROR("create oqaq failed! (rc:%d)\n", rc);
289 QAQ_DEBUG(oqaq, "show oqaq.\n")
291 if (!QAQ_IS_ADJBLK(oqaq) && !QAQ_IS_ADJINO(oqaq))
294 /* adjust the mds slave qunit size */
295 adjust_res = quota_adjust_slave_lqs(oqaq, qctxt);
296 if (adjust_res <= 0) {
297 if (adjust_res < 0) {
299 CERROR("adjust mds slave's qunit size failed! "
302 CDEBUG(D_QUOTA, "qunit doesn't need to be adjusted.\n");
308 qid[GRPQUOTA] = dquot->dq_id;
310 qid[USRQUOTA] = dquot->dq_id;
312 cfs_up(&dquot->dq_sem);
314 rc = qctxt_adjust_qunit(obd, qctxt, qid, is_blk, 0, NULL);
315 if (rc == -EDQUOT || rc == -EBUSY) {
316 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
320 CERROR("%s: mds fail to adjust file quota! (rc:%d)\n",
325 /* only when block qunit is reduced, boardcast to osts */
326 if ((adjust_res & LQS_BLK_DECREASE) && QAQ_IS_ADJBLK(oqaq))
327 rc = obd_quota_adjust_qunit(mds->mds_osc_exp, oqaq, qctxt);
336 cfs_up(&dquot->dq_sem);
340 int dqacq_handler(struct obd_device *obd, struct qunit_data *qdata, int opc)
342 struct mds_obd *mds = &obd->u.mds;
343 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
344 struct lustre_quota_info *info = &mds->mds_quota_info;
345 struct lustre_dquot *dquot = NULL;
347 __u64 hlimit = 0, slimit = 0;
349 unsigned int grace = 0;
350 struct lustre_qunit_size *lqs = NULL;
354 if (OBD_FAIL_CHECK(OBD_FAIL_OBD_DQACQ))
357 cfs_down_write(&mds->mds_qonoff_sem);
358 dquot = lustre_dqget(obd, info, qdata->qd_id, QDATA_IS_GRP(qdata));
360 cfs_up_write(&mds->mds_qonoff_sem);
361 RETURN(PTR_ERR(dquot));
364 DQUOT_DEBUG(dquot, "get dquot in dqacq_handler\n");
365 QINFO_DEBUG(dquot->dq_info, "get dquot in dqadq_handler\n");
367 cfs_down(&dquot->dq_sem);
369 if (dquot->dq_status & DQ_STATUS_RECOVERY) {
370 DQUOT_DEBUG(dquot, "this dquot is under recovering.\n");
371 GOTO(out, rc = -EBUSY);
374 if (QDATA_IS_BLK(qdata)) {
375 grace = info->qi_info[QDATA_IS_GRP(qdata)].dqi_bgrace;
376 usage = &dquot->dq_dqb.dqb_curspace;
377 hlimit = dquot->dq_dqb.dqb_bhardlimit;
378 slimit = dquot->dq_dqb.dqb_bsoftlimit;
379 time = &dquot->dq_dqb.dqb_btime;
381 grace = info->qi_info[QDATA_IS_GRP(qdata)].dqi_igrace;
382 usage = (__u64 *) & dquot->dq_dqb.dqb_curinodes;
383 hlimit = dquot->dq_dqb.dqb_ihardlimit;
384 slimit = dquot->dq_dqb.dqb_isoftlimit;
385 time = &dquot->dq_dqb.dqb_itime;
388 /* if the quota limit in admin quotafile is zero, we just inform
389 * slave to clear quota limit with zero qd_count */
390 if (hlimit == 0 && slimit == 0) {
398 QUSG(*usage + qdata->qd_count, QDATA_IS_BLK(qdata)) > hlimit)
400 if (QDATA_IS_CHANGE_QS(qdata) &&
401 QUSG(*usage, QDATA_IS_BLK(qdata)) < hlimit)
402 qdata->qd_count = (hlimit -
403 QUSG(*usage, QDATA_IS_BLK(qdata)))
404 * (QDATA_IS_BLK(qdata) ?
405 QUOTABLOCK_SIZE : 1);
407 GOTO(out, rc = -EDQUOT);
411 QUSG(*usage + qdata->qd_count, QDATA_IS_BLK(qdata)) > slimit) {
412 if (*time && cfs_time_current_sec() >= *time)
413 GOTO(out, rc = -EDQUOT);
415 *time = cfs_time_current_sec() + grace;
418 *usage += qdata->qd_count;
421 /* The usage in administrative file might be incorrect before
423 if (*usage - qdata->qd_count < 0)
426 *usage -= qdata->qd_count;
428 /* (usage <= soft limit) but not (usage < soft limit) */
429 if (!slimit || QUSG(*usage, QDATA_IS_BLK(qdata)) <= slimit)
436 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
439 cfs_up(&dquot->dq_sem);
440 cfs_up_write(&mds->mds_qonoff_sem);
443 dqacq_adjust_qunit_sz(obd, qdata->qd_id, QDATA_IS_GRP(qdata),
444 QDATA_IS_BLK(qdata));
445 lqs = quota_search_lqs(LQS_KEY(QDATA_IS_GRP(qdata), qdata->qd_id),
447 if (lqs == NULL || IS_ERR(lqs)) {
448 CDEBUG(D_INFO, "Can't find the lustre qunit size!\n");
449 qdata->qd_qunit = QDATA_IS_BLK(qdata) ? qctxt->lqc_bunit_sz :
452 cfs_spin_lock(&lqs->lqs_lock);
453 qdata->qd_qunit = QDATA_IS_BLK(qdata) ? lqs->lqs_bunit_sz :
455 cfs_spin_unlock(&lqs->lqs_lock);
458 if (QDATA_IS_BLK(qdata))
459 QDATA_SET_ADJBLK(qdata);
461 QDATA_SET_ADJINO(qdata);
463 QDATA_DEBUG(qdata, "alloc/release qunit in dqacq_handler\n");
470 int mds_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
471 const unsigned int qpids[], int rc, int opc)
473 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
477 if (rc && rc != -EDQUOT && rc != ENOLCK)
481 case FSFILT_OP_SETATTR:
482 /* release file quota on original owner */
483 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 0, 0, NULL);
484 /* release block quota on original owner */
485 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
486 /* acquire file quota on current owner */
487 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
488 /* acquire block quota on current owner */
489 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
491 case FSFILT_OP_UNLINK_PARTIAL_CHILD:
492 /* release file quota on child */
493 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
494 /* rlease block quota on child */
495 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
497 case FSFILT_OP_CREATE_PARTIAL_CHILD:
498 /* acquire file quota on child */
499 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
500 /* acquire block quota on child */
501 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
504 /* acquire block quota on parent */
505 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
507 case FSFILT_OP_UNLINK:
508 /* release block quota on parent */
509 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
510 /* release file quota on child */
511 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
512 if (qpids[0] != qcids[0] || qpids[1] != qcids[1])
513 /* release block quota on child */
514 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0,
517 case FSFILT_OP_UNLINK_PARTIAL_PARENT:
518 /* release block quota on parent */
519 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
521 case FSFILT_OP_CREATE:
522 /* acquire block quota on parent */
523 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
524 /* acquire file quota on child */
525 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
526 if (qpids[0] != qcids[0] || qpids[1] != qcids[1])
527 /* acquire block quota on child */
528 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0,
538 "mds adjust qunit %ssuccessfully! (opc:%d rc:%d)\n",
539 rc2 == QUOTA_REQ_RETURNED ? "" : "un", opc, rc2);
543 int filter_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
544 const unsigned int qpids[], int rc, int opc)
546 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
550 if (rc && rc != -EDQUOT)
554 case FSFILT_OP_SETATTR:
555 /* acquire/release block quota on original & current owner */
556 rc = qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
557 rc2 = qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
559 case FSFILT_OP_UNLINK:
560 /* release block quota on this owner */
561 case FSFILT_OP_CREATE: /* XXX for write operation on obdfilter */
562 /* acquire block quota on this owner */
563 rc = qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
574 "filter adjust qunit %ssuccessfully! (opc:%d rc%d)\n",
575 rc == QUOTA_REQ_RETURNED ? "" : "un", opc, rc);
581 static const char prefix[] = "OBJECTS/";
583 int mds_quota_invalidate(struct obd_device *obd, struct obd_quotactl *oqctl)
585 struct mds_obd *mds = &obd->u.mds;
586 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
587 struct obd_device_target *obt = &obd->u.obt;
588 int rc = 0, i, rc1 = 0;
589 char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
591 struct lvfs_run_ctxt saved;
594 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
596 if (oqctl->qc_type != USRQUOTA &&
597 oqctl->qc_type != GRPQUOTA &&
598 oqctl->qc_type != UGQUOTA)
601 cfs_down(&obt->obt_quotachecking);
602 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
603 cfs_down_write(&mds->mds_qonoff_sem);
605 for (i = 0; i < MAXQUOTAS; i++) {
608 if (!Q_TYPESET(oqctl, i))
611 /* quota file has been opened ? */
612 if (qinfo->qi_files[i]) {
613 CWARN("quota[%d] is on yet\n", i);
618 LASSERT(strlen(quotafile[i]) + sizeof(prefix) <= sizeof(name));
619 sprintf(name, "%s%s", prefix, quotafile[i]);
621 fp = filp_open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
624 CERROR("%s: error invalidating admin quotafile %s (rc:%d)\n",
625 obd->obd_name, name, rc);
631 cfs_up_write(&mds->mds_qonoff_sem);
632 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
633 cfs_up(&obt->obt_quotachecking);
637 int mds_quota_finvalidate(struct obd_device *obd, struct obd_quotactl *oqctl)
639 struct mds_obd *mds = &obd->u.mds;
640 struct obd_device_target *obt = &obd->u.obt;
642 struct lvfs_run_ctxt saved;
645 if (oqctl->qc_type != USRQUOTA &&
646 oqctl->qc_type != GRPQUOTA &&
647 oqctl->qc_type != UGQUOTA)
650 cfs_down(&obt->obt_quotachecking);
651 if (obt->obt_qctxt.lqc_flags & UGQUOTA2LQC(oqctl->qc_type))
652 GOTO(out, rc = -EBUSY);
653 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
654 cfs_down_write(&mds->mds_qonoff_sem);
656 oqctl->qc_cmd = Q_FINVALIDATE;
657 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
659 rc = obd_quotactl(mds->mds_osc_exp, oqctl);
661 cfs_up_write(&mds->mds_qonoff_sem);
662 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
664 cfs_up(&obt->obt_quotachecking);
668 int init_admin_quotafiles(struct obd_device *obd, struct obd_quotactl *oqctl)
670 struct mds_obd *mds = &obd->u.mds;
671 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
672 const char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
673 struct lvfs_run_ctxt saved;
678 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
680 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
681 cfs_down_write(&mds->mds_qonoff_sem);
683 for (i = 0; i < MAXQUOTAS && !rc; i++) {
686 if (!Q_TYPESET(oqctl, i))
689 /* quota file has been opened ? */
690 if (qinfo->qi_files[i]) {
691 CWARN("init %s admin quotafile while quota on.\n",
692 i == USRQUOTA ? "user" : "group");
696 LASSERT(strlen(quotafile[i]) + sizeof(prefix) <= sizeof(name));
697 sprintf(name, "%s%s", prefix, quotafile[i]);
699 /* check if quota file exists and is correct */
700 fp = filp_open(name, O_RDONLY, 0);
702 /* irregular file is not the right place for quota */
703 if (!S_ISREG(fp->f_dentry->d_inode->i_mode)) {
704 CERROR("admin quota file %s is not "
710 qinfo->qi_files[i] = fp;
711 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_CHK);
712 qinfo->qi_files[i] = NULL;
721 /* -EINVAL may be returned by quotainfo for bad quota file */
722 if (rc != -ENOENT && rc != -EINVAL) {
723 CERROR("%s: error opening old quota file %s (%d)\n",
724 obd->obd_name, name, rc);
728 CDEBUG(D_INFO, "%s new quota file %s\n", name,
729 rc == -ENOENT ? "creating" : "overwriting");
731 /* create quota file overwriting old if needed */
732 fp = filp_open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
735 CERROR("%s: error creating admin quotafile %s (rc:%d)\n",
736 obd->obd_name, name, rc);
740 qinfo->qi_files[i] = fp;
742 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_INIT_INFO);
744 CERROR("error init %s admin quotafile! (rc:%d)\n",
745 i == USRQUOTA ? "user" : "group", rc);
748 qinfo->qi_files[i] = NULL;
751 cfs_up_write(&mds->mds_qonoff_sem);
752 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
756 static int close_quota_files(struct obd_quotactl *oqctl,
757 struct lustre_quota_info *qinfo)
762 for (i = 0; i < MAXQUOTAS; i++) {
763 if (!Q_TYPESET(oqctl, i))
765 if (qinfo->qi_files[i] == NULL) {
766 CWARN("quota[%d] is off already\n", i);
770 filp_close(qinfo->qi_files[i], 0);
771 qinfo->qi_files[i] = NULL;
776 int mds_admin_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl)
778 struct mds_obd *mds = &obd->u.mds;
779 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
780 const char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
782 int i, rc = 0, rc1 = 0;
785 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
787 /* open admin quota files and read quotafile info */
788 for (i = 0; i < MAXQUOTAS; i++) {
791 if (!Q_TYPESET(oqctl, i) || qinfo->qi_files[i] != NULL)
794 LASSERT(strlen(quotafile[i])
795 + sizeof(prefix) <= sizeof(name));
796 sprintf(name, "%s%s", prefix, quotafile[i]);
797 fp = filp_open(name, O_RDWR, 0);
798 if (IS_ERR(fp) || !S_ISREG(fp->f_dentry->d_inode->i_mode)) {
799 rc = IS_ERR(fp) ? PTR_ERR(fp) : -EINVAL;
800 CERROR("error open/create %s! (rc:%d)\n", name, rc);
803 qinfo->qi_files[i] = fp;
805 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_CHK);
807 CERROR("invalid quota file %s! (rc:%d)\n", name, rc);
811 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_RD_INFO);
813 CERROR("error read quotainfo of %s! (rc:%d)\n", name,
819 if (rc && rc1 != -EALREADY)
820 close_quota_files(oqctl, qinfo);
825 int mds_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl)
830 if (oqctl->qc_type != USRQUOTA &&
831 oqctl->qc_type != GRPQUOTA &&
832 oqctl->qc_type != UGQUOTA)
835 rc = generic_quota_on(obd, oqctl, 1);
841 int mds_admin_quota_off(struct obd_device *obd,
842 struct obd_quotactl *oqctl)
844 struct mds_obd *mds = &obd->u.mds;
845 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
849 /* close admin quota files */
850 rc = close_quota_files(oqctl, qinfo);
855 /* with obt->obt_quotachecking held */
856 int do_mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl)
858 struct mds_obd *mds = &obd->u.mds;
859 struct obd_device_target *obt = &obd->u.obt;
860 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
861 struct lvfs_run_ctxt saved;
862 int rc = 0, rc1 = 0, rc2 = 0;
865 LASSERT_SEM_LOCKED(&obt->obt_quotachecking);
867 if (oqctl->qc_type != USRQUOTA &&
868 oqctl->qc_type != GRPQUOTA &&
869 oqctl->qc_type != UGQUOTA)
872 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
873 cfs_down_write(&mds->mds_qonoff_sem);
874 /* close admin quota files */
875 rc2 = mds_admin_quota_off(obd, oqctl);
876 if (rc2 && rc2 != -EALREADY) {
877 CWARN("mds quota[%d] is failed to be off for %d\n", oqctl->qc_type, rc2);
881 rc1 = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
883 obt->obt_qctxt.lqc_flags &= ~UGQUOTA2LQC(oqctl->qc_type);
884 } else if (quota_is_off(qctxt, oqctl)) {
885 CWARN("mds local quota[%d] is off already\n", oqctl->qc_type);
888 if (rc2 != -EALREADY) {
889 CWARN("mds local quota[%d] is failed to be off for %d\n",
890 oqctl->qc_type, rc1);
891 oqctl->qc_cmd = Q_QUOTAON;
892 mds_admin_quota_on(obd, oqctl);
893 oqctl->qc_cmd = Q_QUOTAOFF;
898 rc = obd_quotactl(mds->mds_osc_exp, oqctl);
899 if (rc && rc != -EALREADY) {
900 CWARN("mds remote quota[%d] is failed to be off for %d\n",
902 oqctl->qc_cmd = Q_QUOTAON;
903 if (rc2 != -EALREADY)
904 mds_admin_quota_on(obd, oqctl);
905 if (rc1 != -EALREADY) {
906 fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
907 qctxt->lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
909 oqctl->qc_cmd = Q_QUOTAOFF;
914 cfs_up_write(&mds->mds_qonoff_sem);
915 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
916 return rc ? : (rc1 ? : rc2);
919 int mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl)
921 struct obd_device_target *obt = &obd->u.obt;
925 cfs_down(&obt->obt_quotachecking);
926 rc = do_mds_quota_off(obd, oqctl);
927 cfs_up(&obt->obt_quotachecking);
931 int mds_set_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl)
933 struct mds_obd *mds = &obd->u.mds;
934 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
935 struct obd_dqinfo *dqinfo = &oqctl->qc_dqinfo;
939 if (oqctl->qc_type != USRQUOTA &&
940 oqctl->qc_type != GRPQUOTA)
943 cfs_down_write(&mds->mds_qonoff_sem);
944 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
945 CWARN("quota[%u] is off\n", oqctl->qc_type);
946 GOTO(out, rc = -ESRCH);
949 qinfo->qi_info[oqctl->qc_type].dqi_bgrace = dqinfo->dqi_bgrace;
950 qinfo->qi_info[oqctl->qc_type].dqi_igrace = dqinfo->dqi_igrace;
951 qinfo->qi_info[oqctl->qc_type].dqi_flags = dqinfo->dqi_flags;
953 rc = fsfilt_quotainfo(obd, qinfo, oqctl->qc_type, QFILE_WR_INFO);
957 cfs_up_write(&mds->mds_qonoff_sem);
961 int mds_get_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl)
963 struct mds_obd *mds = &obd->u.mds;
964 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
965 struct obd_dqinfo *dqinfo = &oqctl->qc_dqinfo;
969 if (oqctl->qc_type != USRQUOTA &&
970 oqctl->qc_type != GRPQUOTA)
973 cfs_down_read(&mds->mds_qonoff_sem);
974 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
975 CWARN("quota[%u] is off\n", oqctl->qc_type);
976 GOTO(out, rc = -ESRCH);
979 dqinfo->dqi_bgrace = qinfo->qi_info[oqctl->qc_type].dqi_bgrace;
980 dqinfo->dqi_igrace = qinfo->qi_info[oqctl->qc_type].dqi_igrace;
981 dqinfo->dqi_flags = qinfo->qi_info[oqctl->qc_type].dqi_flags;
985 cfs_up_read(&mds->mds_qonoff_sem);
989 int dquot_create_oqaq(struct lustre_quota_ctxt *qctxt,
990 struct lustre_dquot *dquot, __u32 ost_num, __u32 mdt_num,
991 int type, struct quota_adjust_qunit *oqaq)
993 __u64 bunit_curr_o, iunit_curr_o;
994 unsigned long shrink_qunit_limit = qctxt->lqc_cqs_boundary_factor;
995 unsigned long cqs_factor = qctxt->lqc_cqs_qs_factor;
996 __u64 blimit = dquot->dq_dqb.dqb_bhardlimit ?
997 dquot->dq_dqb.dqb_bhardlimit : dquot->dq_dqb.dqb_bsoftlimit;
998 __u64 ilimit = dquot->dq_dqb.dqb_ihardlimit ?
999 dquot->dq_dqb.dqb_ihardlimit : dquot->dq_dqb.dqb_isoftlimit;
1003 if (!dquot || !oqaq)
1005 LASSERT_SEM_LOCKED(&dquot->dq_sem);
1006 LASSERT(oqaq->qaq_iunit_sz);
1007 LASSERT(oqaq->qaq_bunit_sz);
1009 /* don't change qunit size */
1010 if (!qctxt->lqc_switch_qs)
1013 bunit_curr_o = oqaq->qaq_bunit_sz;
1014 iunit_curr_o = oqaq->qaq_iunit_sz;
1016 if (dquot->dq_type == GRPQUOTA)
1019 if ((type & LQUOTA_FLAGS_ADJBLK) && blimit) {
1020 __u64 b_limitation =
1021 oqaq->qaq_bunit_sz * (ost_num + 1) * shrink_qunit_limit;
1022 /* enlarge block qunit size */
1024 QUSG(dquot->dq_dqb.dqb_curspace + 2 * b_limitation, 1)) {
1025 oqaq->qaq_bunit_sz =
1026 QUSG(oqaq->qaq_bunit_sz * cqs_factor, 1)
1028 b_limitation = oqaq->qaq_bunit_sz * (ost_num + 1) *
1032 if (oqaq->qaq_bunit_sz > qctxt->lqc_bunit_sz)
1033 oqaq->qaq_bunit_sz = qctxt->lqc_bunit_sz;
1035 /* shrink block qunit size */
1037 QUSG(dquot->dq_dqb.dqb_curspace + b_limitation, 1)) {
1038 do_div(oqaq->qaq_bunit_sz , cqs_factor);
1039 oqaq->qaq_bunit_sz = QUSG(oqaq->qaq_bunit_sz, 1) <<
1041 b_limitation = oqaq->qaq_bunit_sz * (ost_num + 1) *
1043 if (oqaq->qaq_bunit_sz < qctxt->lqc_cqs_least_bunit)
1047 if (oqaq->qaq_bunit_sz < qctxt->lqc_cqs_least_bunit)
1048 oqaq->qaq_bunit_sz = qctxt->lqc_cqs_least_bunit;
1050 if (bunit_curr_o != oqaq->qaq_bunit_sz)
1051 QAQ_SET_ADJBLK(oqaq);
1055 if ((type & LQUOTA_FLAGS_ADJINO) && ilimit) {
1056 __u64 i_limitation =
1057 oqaq->qaq_iunit_sz * mdt_num * shrink_qunit_limit;
1058 /* enlarge file qunit size */
1059 while (ilimit > dquot->dq_dqb.dqb_curinodes
1060 + 2 * i_limitation) {
1061 oqaq->qaq_iunit_sz = oqaq->qaq_iunit_sz * cqs_factor;
1062 i_limitation = oqaq->qaq_iunit_sz * mdt_num *
1066 if (oqaq->qaq_iunit_sz > qctxt->lqc_iunit_sz)
1067 oqaq->qaq_iunit_sz = qctxt->lqc_iunit_sz;
1069 /* shrink file qunit size */
1070 while (ilimit < dquot->dq_dqb.dqb_curinodes
1072 do_div(oqaq->qaq_iunit_sz, cqs_factor);
1073 i_limitation = oqaq->qaq_iunit_sz * mdt_num *
1075 if (oqaq->qaq_iunit_sz < qctxt->lqc_cqs_least_iunit)
1079 if (oqaq->qaq_iunit_sz < qctxt->lqc_cqs_least_iunit)
1080 oqaq->qaq_iunit_sz = qctxt->lqc_cqs_least_iunit;
1082 if (iunit_curr_o != oqaq->qaq_iunit_sz)
1083 QAQ_SET_ADJINO(oqaq);
1087 QAQ_DEBUG(oqaq, "the oqaq computed\n");
1092 static int mds_init_slave_ilimits(struct obd_device *obd,
1093 struct obd_quotactl *oqctl, int set)
1095 /* XXX: for file limits only adjust local now */
1096 struct obd_device_target *obt = &obd->u.obt;
1097 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
1098 unsigned int id[MAXQUOTAS] = { 0, 0 };
1099 struct obd_quotactl *ioqc = NULL;
1100 struct lustre_qunit_size *lqs;
1105 /* if we are going to set zero limit, needn't init slaves */
1106 if (!oqctl->qc_dqblk.dqb_ihardlimit && !oqctl->qc_dqblk.dqb_isoftlimit &&
1110 OBD_ALLOC_PTR(ioqc);
1114 flag = oqctl->qc_dqblk.dqb_ihardlimit ||
1115 oqctl->qc_dqblk.dqb_isoftlimit || !set;
1116 ioqc->qc_cmd = flag ? Q_INITQUOTA : Q_SETQUOTA;
1117 ioqc->qc_id = oqctl->qc_id;
1118 ioqc->qc_type = oqctl->qc_type;
1119 ioqc->qc_dqblk.dqb_valid = QIF_ILIMITS;
1120 ioqc->qc_dqblk.dqb_ihardlimit = flag ? MIN_QLIMIT : 0;
1122 /* build lqs for mds */
1123 lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id),
1124 qctxt, flag ? 1 : 0);
1125 if (lqs && !IS_ERR(lqs)) {
1127 lqs->lqs_flags |= QI_SET;
1129 lqs->lqs_flags &= ~QI_SET;
1132 CERROR("fail to %s lqs for inode(%s id: %u)!\n",
1133 flag ? "create" : "search",
1134 oqctl->qc_type ? "group" : "user",
1136 GOTO(out, rc = PTR_ERR(lqs));
1139 /* set local limit to MIN_QLIMIT */
1140 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, ioqc);
1144 /* trigger local qunit pre-acquire */
1145 if (oqctl->qc_type == USRQUOTA)
1146 id[USRQUOTA] = oqctl->qc_id;
1148 id[GRPQUOTA] = oqctl->qc_id;
1150 rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt, id, 0, 0, NULL);
1151 if (rc == -EDQUOT || rc == -EBUSY) {
1152 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
1156 CDEBUG(D_QUOTA,"error mds adjust local file quota! (rc:%d)\n",
1160 /* FIXME initialize all slaves in CMD */
1168 static int mds_init_slave_blimits(struct obd_device *obd,
1169 struct obd_quotactl *oqctl, int set)
1171 struct obd_device_target *obt = &obd->u.obt;
1172 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
1173 struct mds_obd *mds = &obd->u.mds;
1174 struct obd_quotactl *ioqc;
1175 struct lustre_qunit_size *lqs;
1176 unsigned int id[MAXQUOTAS] = { 0, 0 };
1181 /* if we are going to set zero limit, needn't init slaves */
1182 if (!oqctl->qc_dqblk.dqb_bhardlimit && !oqctl->qc_dqblk.dqb_bsoftlimit &&
1186 OBD_ALLOC_PTR(ioqc);
1190 flag = oqctl->qc_dqblk.dqb_bhardlimit ||
1191 oqctl->qc_dqblk.dqb_bsoftlimit || !set;
1192 ioqc->qc_cmd = flag ? Q_INITQUOTA : Q_SETQUOTA;
1193 ioqc->qc_id = oqctl->qc_id;
1194 ioqc->qc_type = oqctl->qc_type;
1195 ioqc->qc_dqblk.dqb_valid = QIF_BLIMITS;
1196 ioqc->qc_dqblk.dqb_bhardlimit = flag ? MIN_QLIMIT : 0;
1198 /* build lqs for mds */
1199 lqs = quota_search_lqs(LQS_KEY(oqctl->qc_type, oqctl->qc_id),
1200 qctxt, flag ? 1 : 0);
1201 if (lqs && !IS_ERR(lqs)) {
1203 lqs->lqs_flags |= QB_SET;
1205 lqs->lqs_flags &= ~QB_SET;
1208 CERROR("fail to %s lqs for block(%s id: %u)!\n",
1209 flag ? "create" : "search",
1210 oqctl->qc_type ? "group" : "user",
1212 GOTO(out, rc = PTR_ERR(lqs));
1215 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, ioqc);
1219 /* trigger local qunit pre-acquire */
1220 if (oqctl->qc_type == USRQUOTA)
1221 id[USRQUOTA] = oqctl->qc_id;
1223 id[GRPQUOTA] = oqctl->qc_id;
1225 /* initialize all slave's limit */
1226 rc = obd_quotactl(mds->mds_osc_exp, ioqc);
1228 rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt, id, 1, 0, NULL);
1229 if (rc == -EDQUOT || rc == -EBUSY) {
1230 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
1234 CERROR("error mds adjust local block quota! (rc:%d)\n", rc);
1244 static void adjust_lqs(struct obd_device *obd, struct quota_adjust_qunit *qaq)
1246 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
1249 QAQ_SET_CREATE_LQS(qaq);
1250 /* adjust local lqs */
1251 rc = quota_adjust_slave_lqs(qaq, qctxt);
1253 CERROR("adjust master's qunit size failed!(rc=%d)\n", rc);
1255 /* adjust remote lqs */
1256 if (QAQ_IS_ADJBLK(qaq)) {
1257 rc = obd_quota_adjust_qunit(obd->u.mds.mds_osc_exp, qaq, qctxt);
1259 CERROR("adjust slaves' qunit size failed!(rc=%d)\n", rc);
1264 int mds_set_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl)
1266 struct mds_obd *mds = &obd->u.mds;
1267 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
1268 struct obd_device *lov_obd = class_exp2obd(mds->mds_osc_exp);
1269 struct lov_obd *lov = &lov_obd->u.lov;
1270 struct quota_adjust_qunit *oqaq = NULL;
1271 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1272 __u64 ihardlimit, isoftlimit, bhardlimit, bsoftlimit;
1273 time_t btime, itime;
1274 struct lustre_dquot *dquot;
1275 struct obd_dqblk *dqblk = &oqctl->qc_dqblk;
1276 /* orig_set means if quota was set before; now_set means we are
1277 * setting/cancelling quota */
1278 int orig_set, now_set;
1279 int rc, rc2 = 0, flag = 0;
1282 if (oqctl->qc_type != USRQUOTA &&
1283 oqctl->qc_type != GRPQUOTA)
1286 OBD_ALLOC_PTR(oqaq);
1290 cfs_down_write(&mds->mds_qonoff_sem);
1291 init_oqaq(oqaq, qctxt, oqctl->qc_id, oqctl->qc_type);
1293 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
1294 CWARN("quota[%u] is off\n", oqctl->qc_type);
1295 GOTO(out_sem, rc = -ESRCH);
1298 dquot = lustre_dqget(obd, qinfo, oqctl->qc_id, oqctl->qc_type);
1300 GOTO(out_sem, rc = PTR_ERR(dquot));
1301 DQUOT_DEBUG(dquot, "get dquot in mds_set_blk\n");
1302 QINFO_DEBUG(dquot->dq_info, "get dquot in mds_set_blk\n");
1304 cfs_down(&dquot->dq_sem);
1306 if (dquot->dq_status) {
1307 cfs_up(&dquot->dq_sem);
1308 lustre_dqput(dquot);
1309 GOTO(out_sem, rc = -EBUSY);
1311 dquot->dq_status |= DQ_STATUS_SET;
1313 ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
1314 isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
1315 bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
1316 bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
1317 btime = dquot->dq_dqb.dqb_btime;
1318 itime = dquot->dq_dqb.dqb_itime;
1320 if (dqblk->dqb_valid & QIF_BTIME)
1321 dquot->dq_dqb.dqb_btime = dqblk->dqb_btime;
1322 if (dqblk->dqb_valid & QIF_ITIME)
1323 dquot->dq_dqb.dqb_itime = dqblk->dqb_itime;
1325 if (dqblk->dqb_valid & QIF_BLIMITS) {
1326 dquot->dq_dqb.dqb_bhardlimit = dqblk->dqb_bhardlimit;
1327 dquot->dq_dqb.dqb_bsoftlimit = dqblk->dqb_bsoftlimit;
1328 /* clear usage (limit pool) */
1329 if (!dquot->dq_dqb.dqb_bhardlimit &&
1330 !dquot->dq_dqb.dqb_bsoftlimit)
1331 dquot->dq_dqb.dqb_curspace = 0;
1333 /* clear grace time */
1334 if (!dqblk->dqb_bsoftlimit ||
1335 toqb(dquot->dq_dqb.dqb_curspace) <= dqblk->dqb_bsoftlimit)
1336 dquot->dq_dqb.dqb_btime = 0;
1337 /* set grace only if user hasn't provided his own */
1338 else if (!(dqblk->dqb_valid & QIF_BTIME))
1339 dquot->dq_dqb.dqb_btime = cfs_time_current_sec() +
1340 qinfo->qi_info[dquot->dq_type].dqi_bgrace;
1342 flag |= LQUOTA_FLAGS_ADJBLK;
1345 if (dqblk->dqb_valid & QIF_ILIMITS) {
1346 dquot->dq_dqb.dqb_ihardlimit = dqblk->dqb_ihardlimit;
1347 dquot->dq_dqb.dqb_isoftlimit = dqblk->dqb_isoftlimit;
1348 /* clear usage (limit pool) */
1349 if (!dquot->dq_dqb.dqb_ihardlimit &&
1350 !dquot->dq_dqb.dqb_isoftlimit)
1351 dquot->dq_dqb.dqb_curinodes = 0;
1353 if (!dqblk->dqb_isoftlimit ||
1354 dquot->dq_dqb.dqb_curinodes <= dqblk->dqb_isoftlimit)
1355 dquot->dq_dqb.dqb_itime = 0;
1356 else if (!(dqblk->dqb_valid & QIF_ITIME))
1357 dquot->dq_dqb.dqb_itime = cfs_time_current_sec() +
1358 qinfo->qi_info[dquot->dq_type].dqi_igrace;
1360 flag |= LQUOTA_FLAGS_ADJINO;
1362 QAQ_DEBUG(oqaq, "before dquot_create_oqaq\n");
1363 rc = dquot_create_oqaq(qctxt, dquot, lov->desc.ld_tgt_count, 1,
1365 QAQ_DEBUG(oqaq, "after dquot_create_oqaq\n");
1367 CDEBUG(D_QUOTA, "adjust qunit size failed! (rc:%d)\n", rc);
1370 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1372 cfs_up(&dquot->dq_sem);
1375 CERROR("set limit failed! (rc:%d)\n", rc);
1379 cfs_up_write(&mds->mds_qonoff_sem);
1380 adjust_lqs(obd, oqaq);
1382 orig_set = ihardlimit || isoftlimit;
1383 now_set = dqblk->dqb_ihardlimit || dqblk->dqb_isoftlimit;
1384 if (dqblk->dqb_valid & QIF_ILIMITS && orig_set != now_set) {
1385 cfs_down(&dquot->dq_sem);
1386 dquot->dq_dqb.dqb_curinodes = 0;
1387 cfs_up(&dquot->dq_sem);
1388 rc = mds_init_slave_ilimits(obd, oqctl, orig_set);
1390 CERROR("init slave ilimits failed! (rc:%d)\n", rc);
1395 orig_set = bhardlimit || bsoftlimit;
1396 now_set = dqblk->dqb_bhardlimit || dqblk->dqb_bsoftlimit;
1397 if (dqblk->dqb_valid & QIF_BLIMITS && orig_set != now_set) {
1398 cfs_down(&dquot->dq_sem);
1399 dquot->dq_dqb.dqb_curspace = 0;
1400 cfs_up(&dquot->dq_sem);
1401 rc = mds_init_slave_blimits(obd, oqctl, orig_set);
1403 CERROR("init slave blimits failed! (rc:%d)\n", rc);
1409 cfs_down_write(&mds->mds_qonoff_sem);
1410 cfs_down(&dquot->dq_sem);
1412 /* cancel previous setting */
1413 dquot->dq_dqb.dqb_ihardlimit = ihardlimit;
1414 dquot->dq_dqb.dqb_isoftlimit = isoftlimit;
1415 dquot->dq_dqb.dqb_bhardlimit = bhardlimit;
1416 dquot->dq_dqb.dqb_bsoftlimit = bsoftlimit;
1417 dquot->dq_dqb.dqb_btime = btime;
1418 dquot->dq_dqb.dqb_itime = itime;
1420 rc2 = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1421 cfs_up(&dquot->dq_sem);
1424 cfs_down(&dquot->dq_sem);
1425 dquot->dq_status &= ~DQ_STATUS_SET;
1426 cfs_up(&dquot->dq_sem);
1427 lustre_dqput(dquot);
1430 cfs_up_write(&mds->mds_qonoff_sem);
1435 return rc ? rc : rc2;
1438 static int mds_get_space(struct obd_device *obd, struct obd_quotactl *oqctl)
1440 struct obd_quotactl *soqc;
1441 struct lvfs_run_ctxt saved;
1445 OBD_ALLOC_PTR(soqc);
1449 soqc->qc_cmd = Q_GETOQUOTA;
1450 soqc->qc_id = oqctl->qc_id;
1451 soqc->qc_type = oqctl->qc_type;
1453 /* get block usage from OSS */
1454 soqc->qc_dqblk.dqb_curspace = 0;
1455 rc = obd_quotactl(obd->u.mds.mds_osc_exp, soqc);
1456 if (!rc || rc == -EREMOTEIO) {
1457 oqctl->qc_dqblk.dqb_curspace = soqc->qc_dqblk.dqb_curspace;
1458 oqctl->qc_dqblk.dqb_valid |= QIF_SPACE;
1461 /* get block/inode usage from MDS */
1462 soqc->qc_dqblk.dqb_curspace = 0;
1463 soqc->qc_dqblk.dqb_curinodes = 0;
1464 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1465 rc1 = fsfilt_quotactl(obd, obd->u.obt.obt_sb, soqc);
1466 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1468 oqctl->qc_dqblk.dqb_curspace += soqc->qc_dqblk.dqb_curspace;
1469 oqctl->qc_dqblk.dqb_curinodes = soqc->qc_dqblk.dqb_curinodes;
1470 oqctl->qc_dqblk.dqb_valid |= QIF_INODES;
1478 int mds_get_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl)
1480 struct mds_obd *mds = &obd->u.mds;
1481 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1482 struct lustre_dquot *dquot;
1483 struct obd_dqblk *dqblk = &oqctl->qc_dqblk;
1487 if (oqctl->qc_type != USRQUOTA &&
1488 oqctl->qc_type != GRPQUOTA)
1491 cfs_down_read(&mds->mds_qonoff_sem);
1492 dqblk->dqb_valid = 0;
1493 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
1494 CWARN("quota[%u] is off\n", oqctl->qc_type);
1495 GOTO(out, rc = -ESRCH);
1498 dquot = lustre_dqget(obd, qinfo, oqctl->qc_id, oqctl->qc_type);
1500 GOTO(out, rc = PTR_ERR(dquot));
1502 cfs_down(&dquot->dq_sem);
1503 dqblk->dqb_ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
1504 dqblk->dqb_isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
1505 dqblk->dqb_bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
1506 dqblk->dqb_bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
1507 dqblk->dqb_btime = dquot->dq_dqb.dqb_btime;
1508 dqblk->dqb_itime = dquot->dq_dqb.dqb_itime;
1509 dqblk->dqb_valid |= QIF_LIMITS | QIF_TIMES;
1510 cfs_up(&dquot->dq_sem);
1512 lustre_dqput(dquot);
1513 cfs_up_read(&mds->mds_qonoff_sem);
1515 /* the usages in admin quota file is inaccurate */
1516 dqblk->dqb_curinodes = 0;
1517 dqblk->dqb_curspace = 0;
1518 rc = mds_get_space(obd, oqctl);
1522 cfs_up_read(&mds->mds_qonoff_sem);
1526 int mds_get_obd_quota(struct obd_device *obd, struct obd_quotactl *oqctl)
1528 struct lvfs_run_ctxt saved;
1532 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1533 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
1534 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1540 /* FIXME we only recovery block limit by now, need recovery inode
1541 * limits also after CMD involved in */
1543 dquot_recovery(struct obd_device *obd, unsigned int id, unsigned short type)
1545 struct mds_obd *mds = &obd->u.mds;
1546 struct lustre_quota_info *qinfo= &mds->mds_quota_info;
1547 struct lustre_dquot *dquot;
1548 struct obd_quotactl *qctl;
1549 __u64 total_limits = 0;
1553 OBD_ALLOC_PTR(qctl);
1557 dquot = lustre_dqget(obd, qinfo, id, type);
1558 if (IS_ERR(dquot)) {
1559 CERROR("Get dquot failed. (rc:%ld)\n", PTR_ERR(dquot));
1561 RETURN(PTR_ERR(dquot));
1564 cfs_down(&dquot->dq_sem);
1566 /* don't recovery the dquot without limits or under setting */
1567 if (!(dquot->dq_dqb.dqb_bhardlimit || dquot->dq_dqb.dqb_bsoftlimit) ||
1570 dquot->dq_status |= DQ_STATUS_RECOVERY;
1572 cfs_up(&dquot->dq_sem);
1574 /* release mds_qonoff_sem during obd_quotactl ops here */
1575 cfs_up_write(&mds->mds_qonoff_sem);
1577 /* get real bhardlimit from all slaves. */
1578 qctl->qc_cmd = Q_GETOQUOTA;
1579 qctl->qc_type = type;
1581 qctl->qc_stat = QUOTA_RECOVERING;
1582 rc = obd_quotactl(mds->mds_osc_exp, qctl);
1583 cfs_down_write(&mds->mds_qonoff_sem);
1586 total_limits = qctl->qc_dqblk.dqb_bhardlimit;
1588 /* get real bhardlimit from master */
1589 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, qctl);
1592 total_limits += qctl->qc_dqblk.dqb_bhardlimit;
1594 /* amend the usage of the administrative quotafile */
1595 cfs_down(&dquot->dq_sem);
1597 dquot->dq_dqb.dqb_curspace = total_limits << QUOTABLOCK_BITS;
1599 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1601 CERROR("write dquot failed! (rc:%d)\n", rc);
1603 cfs_up(&dquot->dq_sem);
1606 cfs_down(&dquot->dq_sem);
1607 dquot->dq_status &= ~DQ_STATUS_RECOVERY;
1609 cfs_up(&dquot->dq_sem);
1611 lustre_dqput(dquot);
1616 struct qmaster_recov_thread_data {
1617 struct obd_device *obd;
1618 cfs_completion_t comp;
1621 static int qmaster_recovery_main(void *arg)
1623 struct qmaster_recov_thread_data *data = arg;
1624 struct obd_device *obd = data->obd;
1625 struct mds_obd *mds = &obd->u.mds;
1626 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1628 unsigned short type;
1631 cfs_daemonize_ctxt("qmaster_recovd");
1634 class_incref(obd, "qmaster_recovd_mds", obd);
1636 class_incref(mds->mds_osc_obd, "qmaster_recovd_lov", mds->mds_osc_obd);
1638 cfs_complete(&data->comp);
1640 cfs_down_write(&mds->mds_qonoff_sem);
1641 for (type = USRQUOTA; type < MAXQUOTAS; type++) {
1643 struct dquot_id *dqid, *tmp;
1645 if (qinfo->qi_files[type] == NULL)
1648 CFS_INIT_LIST_HEAD(&id_list);
1649 rc = fsfilt_qids(obd, qinfo->qi_files[type], NULL, type,
1652 CERROR("error get ids from admin quotafile.(%d)\n", rc);
1654 cfs_list_for_each_entry_safe(dqid, tmp, &id_list, di_link) {
1655 cfs_list_del_init(&dqid->di_link);
1659 rc = dquot_recovery(obd, dqid->di_id, type);
1661 CERROR("%s: qmaster recovery failed for %sid %d"
1662 " rc:%d)\n", obd->obd_name,
1663 type ? "g" : "u", dqid->di_id, rc);
1668 cfs_up_write(&mds->mds_qonoff_sem);
1669 class_decref(mds->mds_osc_obd, "qmaster_recovd_lov", mds->mds_osc_obd);
1670 class_decref(obd, "qmaster_recovd_mds", obd);
1674 int mds_quota_recovery(struct obd_device *obd)
1676 struct mds_obd *mds = &obd->u.mds;
1677 struct qmaster_recov_thread_data data;
1681 if (unlikely(!mds->mds_quota || obd->obd_stopping))
1684 cfs_mutex_down(&obd->obd_dev_sem);
1685 if (mds->mds_lov_desc.ld_active_tgt_count != mds->mds_lov_objid_count) {
1686 CWARN("Only %u/%u OSTs are active, abort quota recovery\n",
1687 mds->mds_lov_desc.ld_active_tgt_count,
1688 mds->mds_lov_objid_count);
1689 cfs_mutex_up(&obd->obd_dev_sem);
1692 cfs_mutex_up(&obd->obd_dev_sem);
1695 cfs_init_completion(&data.comp);
1697 rc = cfs_kernel_thread(qmaster_recovery_main, &data,
1698 CLONE_VM|CLONE_FILES);
1700 CERROR("%s: cannot start quota recovery thread: rc %d\n",
1703 cfs_wait_for_completion(&data.comp);
1707 #endif /* HAVE_QUOTA_SUPPORT */