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 struct list_head lustre_dquot_hash[NR_DQHASH];
69 static spinlock_t dquot_hash_lock = 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(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 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 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 struct list_head *head = lustre_dquot_hash +
167 dquot_hashfn(dquot->dq_info, dquot->dq_id, dquot->dq_type);
168 LASSERT(list_empty(&dquot->dq_hash));
169 list_add(&dquot->dq_hash, head);
172 static void remove_dquot_nolock(struct lustre_dquot *dquot)
174 LASSERT(!list_empty(&dquot->dq_hash));
175 list_del_init(&dquot->dq_hash);
178 static void lustre_dqput(struct lustre_dquot *dquot)
181 spin_lock(&dquot_hash_lock);
182 LASSERT(dquot->dq_refcnt);
184 if (!dquot->dq_refcnt) {
185 remove_dquot_nolock(dquot);
188 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 spin_lock(&dquot_hash_lock);
204 if ((dquot = find_dquot(hashent, lqi, id, type)) != NULL) {
206 spin_unlock(&dquot_hash_lock);
212 insert_dquot_nolock(dquot);
213 spin_unlock(&dquot_hash_lock);
215 rc = fsfilt_dquot(obd, dquot, QFILE_RD_DQUOT);
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 quota_search_lqs(NULL, oqaq, qctxt, &lqs);
240 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 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 struct obd_device *lov_mds_obd = class_exp2obd(mds->mds_osc_exp);
259 struct lov_obd *lov = &lov_mds_obd->u.lov;
260 __u32 ost_num = lov->desc.ld_tgt_count, mdt_num = 1;
261 struct quota_adjust_qunit *oqaq = NULL;
262 unsigned int qid[MAXQUOTAS] = { 0, 0 };
263 struct lustre_quota_info *info = &mds->mds_quota_info;
264 struct lustre_dquot *dquot = NULL;
270 dquot = lustre_dqget(obd, info, id, type);
272 RETURN(PTR_ERR(dquot));
276 GOTO(out, rc = -ENOMEM);
278 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 CDEBUG(D_ERROR, "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 CDEBUG(D_ERROR, "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;
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 CDEBUG(D_ERROR, "mds fail to adjust file quota! \
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);
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 dquot = lustre_dqget(obd, info, qdata->qd_id, QDATA_IS_GRP(qdata));
359 RETURN(PTR_ERR(dquot));
361 DQUOT_DEBUG(dquot, "get dquot in dqacq_handler\n");
362 QINFO_DEBUG(dquot->dq_info, "get dquot in dqadq_handler\n");
364 down(&mds->mds_qonoff_sem);
365 down(&dquot->dq_sem);
367 if (dquot->dq_status & DQ_STATUS_RECOVERY) {
368 DQUOT_DEBUG(dquot, "this dquot is under recovering.\n");
369 GOTO(out, rc = -EBUSY);
372 if (QDATA_IS_BLK(qdata)) {
373 grace = info->qi_info[QDATA_IS_GRP(qdata)].dqi_bgrace;
374 usage = &dquot->dq_dqb.dqb_curspace;
375 hlimit = dquot->dq_dqb.dqb_bhardlimit;
376 slimit = dquot->dq_dqb.dqb_bsoftlimit;
377 time = &dquot->dq_dqb.dqb_btime;
379 grace = info->qi_info[QDATA_IS_GRP(qdata)].dqi_igrace;
380 usage = (__u64 *) & dquot->dq_dqb.dqb_curinodes;
381 hlimit = dquot->dq_dqb.dqb_ihardlimit;
382 slimit = dquot->dq_dqb.dqb_isoftlimit;
383 time = &dquot->dq_dqb.dqb_itime;
386 /* if the quota limit in admin quotafile is zero, we just inform
387 * slave to clear quota limit with zero qd_count */
388 if (hlimit == 0 && slimit == 0) {
396 QUSG(*usage + qdata->qd_count, QDATA_IS_BLK(qdata)) > hlimit)
398 if (QDATA_IS_CHANGE_QS(qdata) &&
399 QUSG(*usage, QDATA_IS_BLK(qdata)) < hlimit)
400 qdata->qd_count = (hlimit -
401 QUSG(*usage, QDATA_IS_BLK(qdata)))
402 * (QDATA_IS_BLK(qdata) ?
403 QUOTABLOCK_SIZE : 1);
405 GOTO(out, rc = -EDQUOT);
409 QUSG(*usage + qdata->qd_count, QDATA_IS_BLK(qdata)) > slimit) {
410 if (*time && cfs_time_current_sec() >= *time)
411 GOTO(out, rc = -EDQUOT);
413 *time = cfs_time_current_sec() + grace;
416 *usage += qdata->qd_count;
419 /* The usage in administrative file might be incorrect before
421 if (*usage - qdata->qd_count < 0)
424 *usage -= qdata->qd_count;
426 /* (usage <= soft limit) but not (usage < soft limit) */
427 if (!slimit || QUSG(*usage, QDATA_IS_BLK(qdata)) <= slimit)
434 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
438 up(&mds->mds_qonoff_sem);
441 dqacq_adjust_qunit_sz(obd, qdata->qd_id, QDATA_IS_GRP(qdata),
442 QDATA_IS_BLK(qdata));
444 quota_search_lqs(qdata, NULL, qctxt, &lqs);
445 if (QDATA_IS_BLK(qdata)) {
447 CDEBUG(D_INFO, "Can't find the lustre qunit size!\n");
448 qdata->qd_qunit = qctxt->lqc_bunit_sz;
450 spin_lock(&lqs->lqs_lock);
451 qdata->qd_qunit = lqs->lqs_bunit_sz;
452 spin_unlock(&lqs->lqs_lock);
454 QDATA_SET_ADJBLK(qdata);
457 CDEBUG(D_INFO, "Can't find the lustre qunit size!\n");
458 qdata->qd_qunit = qctxt->lqc_iunit_sz;
460 spin_lock(&lqs->lqs_lock);
461 qdata->qd_qunit = lqs->lqs_iunit_sz;
462 spin_unlock(&lqs->lqs_lock);
464 QDATA_SET_ADJINO(qdata);
467 QDATA_DEBUG(qdata, "alloc/release qunit in dqacq_handler\n");
474 int mds_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
475 const unsigned int qpids[], int rc, int opc)
477 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
481 if (rc && rc != -EDQUOT && rc != ENOLCK)
485 case FSFILT_OP_SETATTR:
486 /* release file quota on original owner */
487 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 0, 0, NULL);
488 /* release block quota on original owner */
489 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
490 /* acquire file quota on current owner */
491 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
492 /* acquire block quota on current owner */
493 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
495 case FSFILT_OP_UNLINK_PARTIAL_CHILD:
496 /* release file quota on child */
497 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
498 /* rlease block quota on child */
499 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
501 case FSFILT_OP_CREATE_PARTIAL_CHILD:
502 /* acquire file quota on child */
503 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
504 /* acquire block quota on child */
505 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
508 /* acquire block quota on parent */
509 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
511 case FSFILT_OP_UNLINK:
512 /* release block quota on parent */
513 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
514 /* release file quota on child */
515 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
516 if (qpids[0] != qcids[0] || qpids[1] != qcids[1])
517 /* release block quota on child */
518 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0,
521 case FSFILT_OP_UNLINK_PARTIAL_PARENT:
522 /* release block quota on parent */
523 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
525 case FSFILT_OP_CREATE:
526 /* acquire block quota on parent */
527 rc2 |= qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
528 /* acquire file quota on child */
529 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 0, 0, NULL);
530 if (qpids[0] != qcids[0] || qpids[1] != qcids[1])
531 /* acquire block quota on child */
532 rc2 |= qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0,
541 CDEBUG(rc2 == QUOTA_REQ_RETURNED ? D_QUOTA: D_ERROR,
542 "mds adjust qunit %ssuccessfully! (opc:%d rc:%d)\n",
543 rc2 == QUOTA_REQ_RETURNED ? "" : "un", opc, rc2);
547 int filter_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
548 const unsigned int qpids[], int rc, int opc)
550 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
554 if (rc && rc != -EDQUOT)
558 case FSFILT_OP_SETATTR:
559 /* acquire/release block quota on original & current owner */
560 rc = qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
561 rc2 = qctxt_adjust_qunit(obd, qctxt, qpids, 1, 0, NULL);
563 case FSFILT_OP_UNLINK:
564 /* release block quota on this owner */
565 case FSFILT_OP_CREATE: /* XXX for write operation on obdfilter */
566 /* acquire block quota on this owner */
567 rc = qctxt_adjust_qunit(obd, qctxt, qcids, 1, 0, NULL);
577 CDEBUG(rc == QUOTA_REQ_RETURNED ? D_QUOTA: D_ERROR,
578 "filter adjust qunit %ssuccessfully! (opc:%d rc%d)\n",
579 QUOTA_REQ_RETURNED ? "" : "un", opc, rc);
585 static const char prefix[] = "OBJECTS/";
587 int mds_quota_invalidate(struct obd_device *obd, struct obd_quotactl *oqctl)
589 struct mds_obd *mds = &obd->u.mds;
590 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
592 char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
594 struct lvfs_run_ctxt saved;
596 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
598 if (oqctl->qc_type != USRQUOTA &&
599 oqctl->qc_type != GRPQUOTA &&
600 oqctl->qc_type != UGQUOTA)
603 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
605 down(&mds->mds_qonoff_sem);
607 for (i = 0; i < MAXQUOTAS; i++) {
610 if (!Q_TYPESET(oqctl, i))
613 /* quota file has been opened ? */
614 if (qinfo->qi_files[i]) {
619 LASSERT(strlen(quotafile[i]) + sizeof(prefix) <= sizeof(name));
620 sprintf(name, "%s%s", prefix, quotafile[i]);
622 fp = filp_open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
625 CERROR("error invalidating admin quotafile %s (rc:%d)\n",
633 up(&mds->mds_qonoff_sem);
635 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
640 int mds_quota_finvalidate(struct obd_device *obd, struct obd_quotactl *oqctl)
642 struct mds_obd *mds = &obd->u.mds;
644 struct lvfs_run_ctxt saved;
646 if (oqctl->qc_type != USRQUOTA &&
647 oqctl->qc_type != GRPQUOTA &&
648 oqctl->qc_type != UGQUOTA)
651 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
652 down(&mds->mds_qonoff_sem);
654 oqctl->qc_cmd = Q_FINVALIDATE;
655 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
657 rc = obd_quotactl(mds->mds_osc_exp, oqctl);
659 up(&mds->mds_qonoff_sem);
660 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
665 int init_admin_quotafiles(struct obd_device *obd, struct obd_quotactl *oqctl)
667 struct mds_obd *mds = &obd->u.mds;
668 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
669 const char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
670 struct lvfs_run_ctxt saved;
675 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
677 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
679 down(&mds->mds_qonoff_sem);
681 for (i = 0; i < MAXQUOTAS && !rc; i++) {
684 if (!Q_TYPESET(oqctl, i))
687 /* quota file has been opened ? */
688 if (qinfo->qi_files[i]) {
689 CWARN("init %s admin quotafile while quota on.\n",
690 i == USRQUOTA ? "user" : "group");
694 LASSERT(strlen(quotafile[i]) + sizeof(prefix) <= sizeof(name));
695 sprintf(name, "%s%s", prefix, quotafile[i]);
697 /* check if quota file exists and is correct */
698 fp = filp_open(name, O_RDONLY, 0);
700 /* irregular file is not the right place for quota */
701 if (!S_ISREG(fp->f_dentry->d_inode->i_mode)) {
702 CERROR("admin quota file %s is not "
708 qinfo->qi_files[i] = fp;
709 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_CHK);
710 qinfo->qi_files[i] = 0;
719 /* -EINVAL may be returned by quotainfo for bad quota file */
720 if (rc != -ENOENT && rc != -EINVAL) {
721 CERROR("error opening old quota file %s (%d)\n",
726 CDEBUG(D_INFO, "%s new quota file %s\n", name,
727 rc == -ENOENT ? "creating" : "overwriting");
729 /* create quota file overwriting old if needed */
730 fp = filp_open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
733 CERROR("error creating admin quotafile %s (rc:%d)\n",
738 qinfo->qi_files[i] = fp;
740 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_INIT_INFO);
742 CERROR("error init %s admin quotafile! (rc:%d)\n",
743 i == USRQUOTA ? "user" : "group", rc);
746 qinfo->qi_files[i] = NULL;
748 up(&mds->mds_qonoff_sem);
750 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
754 static int close_quota_files(struct obd_quotactl *oqctl,
755 struct lustre_quota_info *qinfo)
760 for (i = 0; i < MAXQUOTAS; i++) {
761 if (!Q_TYPESET(oqctl, i))
763 if (qinfo->qi_files[i] == NULL) {
767 filp_close(qinfo->qi_files[i], 0);
768 qinfo->qi_files[i] = NULL;
773 int mds_admin_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl)
775 struct mds_obd *mds = &obd->u.mds;
776 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
777 const char *quotafile[] = LUSTRE_ADMIN_QUOTAFILES_V2;
782 LASSERT(qinfo->qi_version == LUSTRE_QUOTA_V2);
784 /* open admin quota files and read quotafile info */
785 for (i = 0; i < MAXQUOTAS; i++) {
788 if (!Q_TYPESET(oqctl, i))
791 LASSERT(strlen(quotafile[i])
792 + sizeof(prefix) <= sizeof(name));
793 sprintf(name, "%s%s", prefix, quotafile[i]);
795 if (qinfo->qi_files[i] != NULL) {
800 fp = filp_open(name, O_RDWR, 0);
801 if (IS_ERR(fp) || !S_ISREG(fp->f_dentry->d_inode->i_mode)) {
802 rc = IS_ERR(fp) ? PTR_ERR(fp) : -EINVAL;
803 CERROR("error open/create %s! (rc:%d)\n", name, rc);
806 qinfo->qi_files[i] = fp;
808 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_CHK);
810 CERROR("invalid quota file %s! (rc:%d)\n", name, rc);
814 rc = fsfilt_quotainfo(obd, qinfo, i, QFILE_RD_INFO);
816 CERROR("error read quotainfo of %s! (rc:%d)\n", name,
822 if (rc && rc != -EBUSY)
823 close_quota_files(oqctl, qinfo);
828 int mds_admin_quota_off(struct obd_device *obd,
829 struct obd_quotactl *oqctl)
831 struct mds_obd *mds = &obd->u.mds;
832 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
836 /* close admin quota files */
837 rc = close_quota_files(oqctl, qinfo);
841 int mds_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl)
843 struct mds_obd *mds = &obd->u.mds;
844 struct obd_device_target *obt = &obd->u.obt;
845 struct lvfs_run_ctxt saved;
849 if (oqctl->qc_type != USRQUOTA &&
850 oqctl->qc_type != GRPQUOTA &&
851 oqctl->qc_type != UGQUOTA)
854 if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
855 CDEBUG(D_INFO, "other people are doing quotacheck\n");
856 atomic_inc(&obt->obt_quotachecking);
860 LASSERT(!obt->obt_qctxt.lqc_immutable);
861 down(&mds->mds_qonoff_sem);
862 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
863 rc = mds_admin_quota_on(obd, oqctl);
867 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
869 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
873 rc = obd_quotactl(mds->mds_osc_exp, oqctl);
876 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
877 up(&mds->mds_qonoff_sem);
878 atomic_inc(&obt->obt_quotachecking);
882 int mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl)
884 struct mds_obd *mds = &obd->u.mds;
885 struct obd_device_target *obt = &obd->u.obt;
886 struct lvfs_run_ctxt saved;
890 imm = oqctl->qc_type & IMMQUOTA;
891 oqctl->qc_type &= ~IMMQUOTA;
893 if (oqctl->qc_type != USRQUOTA &&
894 oqctl->qc_type != GRPQUOTA &&
895 oqctl->qc_type != UGQUOTA)
898 if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
899 CDEBUG(D_INFO, "other people are doing quotacheck\n");
900 atomic_inc(&obt->obt_quotachecking);
904 down(&mds->mds_qonoff_sem);
905 /* close admin quota files */
906 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
907 mds_admin_quota_off(obd, oqctl);
909 rc = obd_quotactl(mds->mds_osc_exp, oqctl);
910 rc2 = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
913 obt->obt_qctxt.lqc_immutable = 1;
914 obt->obt_qctxt.lqc_flags &= ~UGQUOTA2LQC(oqctl->qc_type);
916 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
917 up(&mds->mds_qonoff_sem);
918 atomic_inc(&obt->obt_quotachecking);
923 int mds_set_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl)
925 struct mds_obd *mds = &obd->u.mds;
926 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
927 struct obd_dqinfo *dqinfo = &oqctl->qc_dqinfo;
931 if (oqctl->qc_type != USRQUOTA &&
932 oqctl->qc_type != GRPQUOTA)
935 down(&mds->mds_qonoff_sem);
936 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
941 qinfo->qi_info[oqctl->qc_type].dqi_bgrace = dqinfo->dqi_bgrace;
942 qinfo->qi_info[oqctl->qc_type].dqi_igrace = dqinfo->dqi_igrace;
943 qinfo->qi_info[oqctl->qc_type].dqi_flags = dqinfo->dqi_flags;
945 rc = fsfilt_quotainfo(obd, qinfo, oqctl->qc_type, QFILE_WR_INFO);
948 up(&mds->mds_qonoff_sem);
952 int mds_get_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl)
954 struct mds_obd *mds = &obd->u.mds;
955 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
956 struct obd_dqinfo *dqinfo = &oqctl->qc_dqinfo;
960 if (oqctl->qc_type != USRQUOTA &&
961 oqctl->qc_type != GRPQUOTA)
964 down(&mds->mds_qonoff_sem);
965 if (qinfo->qi_files[oqctl->qc_type] == NULL) {
970 dqinfo->dqi_bgrace = qinfo->qi_info[oqctl->qc_type].dqi_bgrace;
971 dqinfo->dqi_igrace = qinfo->qi_info[oqctl->qc_type].dqi_igrace;
972 dqinfo->dqi_flags = qinfo->qi_info[oqctl->qc_type].dqi_flags;
975 up(&mds->mds_qonoff_sem);
979 int dquot_create_oqaq(struct lustre_quota_ctxt *qctxt,
980 struct lustre_dquot *dquot, __u32 ost_num, __u32 mdt_num,
981 int type, struct quota_adjust_qunit *oqaq)
983 __u64 bunit_curr_o, iunit_curr_o;
984 unsigned long shrink_qunit_limit = qctxt->lqc_cqs_boundary_factor;
985 unsigned long cqs_factor = qctxt->lqc_cqs_qs_factor;
986 __u64 blimit = dquot->dq_dqb.dqb_bhardlimit ?
987 dquot->dq_dqb.dqb_bhardlimit : dquot->dq_dqb.dqb_bsoftlimit;
988 __u64 ilimit = dquot->dq_dqb.dqb_ihardlimit ?
989 dquot->dq_dqb.dqb_ihardlimit : dquot->dq_dqb.dqb_isoftlimit;
995 LASSERT_SEM_LOCKED(&dquot->dq_sem);
996 LASSERT(oqaq->qaq_iunit_sz);
997 LASSERT(oqaq->qaq_bunit_sz);
999 /* don't change qunit size */
1000 if (!qctxt->lqc_switch_qs)
1003 bunit_curr_o = oqaq->qaq_bunit_sz;
1004 iunit_curr_o = oqaq->qaq_iunit_sz;
1006 if (dquot->dq_type == GRPQUOTA)
1009 if ((type & LQUOTA_FLAGS_ADJBLK) && blimit) {
1010 __u64 b_limitation =
1011 oqaq->qaq_bunit_sz * (ost_num + 1) * shrink_qunit_limit;
1012 /* enlarge block qunit size */
1014 QUSG(dquot->dq_dqb.dqb_curspace + 2 * b_limitation, 1)) {
1015 oqaq->qaq_bunit_sz =
1016 QUSG(oqaq->qaq_bunit_sz * cqs_factor, 1)
1018 b_limitation = oqaq->qaq_bunit_sz * (ost_num + 1) *
1022 if (oqaq->qaq_bunit_sz > qctxt->lqc_bunit_sz)
1023 oqaq->qaq_bunit_sz = qctxt->lqc_bunit_sz;
1025 /* shrink block qunit size */
1027 QUSG(dquot->dq_dqb.dqb_curspace + b_limitation, 1)) {
1028 do_div(oqaq->qaq_bunit_sz , cqs_factor);
1029 oqaq->qaq_bunit_sz = QUSG(oqaq->qaq_bunit_sz, 1) <<
1031 b_limitation = oqaq->qaq_bunit_sz * (ost_num + 1) *
1033 if (oqaq->qaq_bunit_sz < qctxt->lqc_cqs_least_bunit)
1037 if (oqaq->qaq_bunit_sz < qctxt->lqc_cqs_least_bunit)
1038 oqaq->qaq_bunit_sz = qctxt->lqc_cqs_least_bunit;
1040 if (bunit_curr_o != oqaq->qaq_bunit_sz)
1041 QAQ_SET_ADJBLK(oqaq);
1045 if ((type & LQUOTA_FLAGS_ADJINO) && ilimit) {
1046 __u64 i_limitation =
1047 oqaq->qaq_iunit_sz * mdt_num * shrink_qunit_limit;
1048 /* enlarge file qunit size */
1049 while (ilimit > dquot->dq_dqb.dqb_curinodes
1050 + 2 * i_limitation) {
1051 oqaq->qaq_iunit_sz = oqaq->qaq_iunit_sz * cqs_factor;
1052 i_limitation = oqaq->qaq_iunit_sz * mdt_num *
1056 if (oqaq->qaq_iunit_sz > qctxt->lqc_iunit_sz)
1057 oqaq->qaq_iunit_sz = qctxt->lqc_iunit_sz;
1059 /* shrink file qunit size */
1060 while (ilimit < dquot->dq_dqb.dqb_curinodes
1062 do_div(oqaq->qaq_iunit_sz, cqs_factor);
1063 i_limitation = oqaq->qaq_iunit_sz * mdt_num *
1065 if (oqaq->qaq_iunit_sz < qctxt->lqc_cqs_least_iunit)
1069 if (oqaq->qaq_iunit_sz < qctxt->lqc_cqs_least_iunit)
1070 oqaq->qaq_iunit_sz = qctxt->lqc_cqs_least_iunit;
1072 if (iunit_curr_o != oqaq->qaq_iunit_sz)
1073 QAQ_SET_ADJINO(oqaq);
1077 if (!dquot->dq_dqb.dqb_bhardlimit && !dquot->dq_dqb.dqb_bsoftlimit &&
1078 !dquot->dq_dqb.dqb_ihardlimit && !dquot->dq_dqb.dqb_isoftlimit) {
1079 oqaq->qaq_bunit_sz = 0;
1080 oqaq->qaq_iunit_sz = 0;
1081 QAQ_SET_ADJBLK(oqaq);
1082 QAQ_SET_ADJINO(oqaq);
1085 QAQ_DEBUG(oqaq, "the oqaq computed\n");
1090 static int mds_init_slave_ilimits(struct obd_device *obd,
1091 struct obd_quotactl *oqctl, int set,
1092 struct quota_adjust_qunit *oqaq)
1094 /* XXX: for file limits only adjust local now */
1095 struct obd_device_target *obt = &obd->u.obt;
1096 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
1097 unsigned int id[MAXQUOTAS] = { 0, 0 };
1098 struct obd_quotactl *ioqc = NULL;
1103 /* if we are going to set zero limit, needn't init slaves */
1104 if (!oqctl->qc_dqblk.dqb_ihardlimit && !oqctl->qc_dqblk.dqb_isoftlimit &&
1108 OBD_ALLOC_PTR(ioqc);
1112 flag = oqctl->qc_dqblk.dqb_ihardlimit ||
1113 oqctl->qc_dqblk.dqb_isoftlimit || !set;
1114 ioqc->qc_cmd = flag ? Q_INITQUOTA : Q_SETQUOTA;
1115 ioqc->qc_id = oqctl->qc_id;
1116 ioqc->qc_type = oqctl->qc_type;
1117 ioqc->qc_dqblk.dqb_valid = QIF_ILIMITS;
1118 ioqc->qc_dqblk.dqb_ihardlimit = flag ? MIN_QLIMIT : 0;
1120 if (QAQ_IS_ADJINO(oqaq)) {
1121 /* adjust the mds slave's inode qunit size */
1122 rc = quota_adjust_slave_lqs(oqaq, qctxt);
1124 CDEBUG(D_ERROR, "adjust mds slave's inode qunit size \
1125 failed! (rc:%d)\n", rc);
1128 /* set local limit to MIN_QLIMIT */
1129 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, ioqc);
1133 /* trigger local qunit pre-acquire */
1134 if (oqctl->qc_type == USRQUOTA)
1135 id[USRQUOTA] = oqctl->qc_id;
1137 id[GRPQUOTA] = oqctl->qc_id;
1139 rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt, id, 0, 0, NULL);
1140 if (rc == -EDQUOT || rc == -EBUSY) {
1141 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
1145 CDEBUG(D_QUOTA,"error mds adjust local file quota! (rc:%d)\n",
1149 /* FIXME initialize all slaves in CMD */
1157 static int mds_init_slave_blimits(struct obd_device *obd,
1158 struct obd_quotactl *oqctl, int set,
1159 struct quota_adjust_qunit *oqaq)
1161 struct obd_device_target *obt = &obd->u.obt;
1162 struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
1163 struct mds_obd *mds = &obd->u.mds;
1164 struct obd_quotactl *ioqc;
1165 unsigned int id[MAXQUOTAS] = { 0, 0 };
1170 /* if we are going to set zero limit, needn't init slaves */
1171 if (!oqctl->qc_dqblk.dqb_bhardlimit && !oqctl->qc_dqblk.dqb_bsoftlimit &&
1175 OBD_ALLOC_PTR(ioqc);
1179 flag = oqctl->qc_dqblk.dqb_bhardlimit ||
1180 oqctl->qc_dqblk.dqb_bsoftlimit || !set;
1181 ioqc->qc_cmd = flag ? Q_INITQUOTA : Q_SETQUOTA;
1182 ioqc->qc_id = oqctl->qc_id;
1183 ioqc->qc_type = oqctl->qc_type;
1184 ioqc->qc_dqblk.dqb_valid = QIF_BLIMITS;
1185 ioqc->qc_dqblk.dqb_bhardlimit = flag ? MIN_QLIMIT : 0;
1186 if (QAQ_IS_ADJBLK(oqaq)) {
1187 /* adjust the mds slave's block qunit size */
1188 rc1 = quota_adjust_slave_lqs(oqaq, qctxt);
1190 CERROR("adjust mds slave's block qunit size failed!"
1194 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, ioqc);
1198 /* trigger local qunit pre-acquire */
1199 if (oqctl->qc_type == USRQUOTA)
1200 id[USRQUOTA] = oqctl->qc_id;
1202 id[GRPQUOTA] = oqctl->qc_id;
1204 /* initialize all slave's limit */
1205 rc = obd_quotactl(mds->mds_osc_exp, ioqc);
1207 rc = qctxt_adjust_qunit(obd, &obd->u.obt.obt_qctxt, id, 1, 0, NULL);
1208 if (rc == -EDQUOT || rc == -EBUSY) {
1209 CDEBUG(D_QUOTA, "rc: %d.\n", rc);
1213 CERROR("error mds adjust local block quota! (rc:%d)\n", rc);
1217 /* adjust all slave's qunit size when setting quota
1218 * this is will create a lqs for every ost, which will present
1219 * certain uid/gid is set quota or not */
1220 QAQ_SET_ADJBLK(oqaq);
1221 rc = obd_quota_adjust_qunit(mds->mds_osc_exp, oqaq, qctxt);
1229 int mds_set_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl)
1231 struct mds_obd *mds = &obd->u.mds;
1232 struct lustre_quota_ctxt *qctxt = &mds->mds_obt.obt_qctxt;
1233 struct obd_device *lov_obd = class_exp2obd(mds->mds_osc_exp);
1234 struct lov_obd *lov = &lov_obd->u.lov;
1235 struct quota_adjust_qunit *oqaq = NULL;
1236 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1237 __u64 ihardlimit, isoftlimit, bhardlimit, bsoftlimit;
1238 time_t btime, itime;
1239 struct lustre_dquot *dquot;
1240 struct obd_dqblk *dqblk = &oqctl->qc_dqblk;
1241 /* orig_set means if quota was set before; now_set means we are
1242 * setting/cancelling quota */
1243 int orig_set, now_set;
1244 int rc, rc2 = 0, flag = 0;
1247 if (oqctl->qc_type != USRQUOTA &&
1248 oqctl->qc_type != GRPQUOTA)
1251 OBD_ALLOC_PTR(oqaq);
1254 down(&mds->mds_qonoff_sem);
1255 init_oqaq(oqaq, qctxt, oqctl->qc_id, oqctl->qc_type);
1257 if (qinfo->qi_files[oqctl->qc_type] == NULL)
1258 GOTO(out_sem, rc = -ESRCH);
1260 dquot = lustre_dqget(obd, qinfo, oqctl->qc_id, oqctl->qc_type);
1262 GOTO(out_sem, rc = PTR_ERR(dquot));
1263 DQUOT_DEBUG(dquot, "get dquot in mds_set_blk\n");
1264 QINFO_DEBUG(dquot->dq_info, "get dquot in mds_set_blk\n");
1266 down(&dquot->dq_sem);
1268 if (dquot->dq_status) {
1270 lustre_dqput(dquot);
1271 GOTO(out_sem, rc = -EBUSY);
1273 dquot->dq_status |= DQ_STATUS_SET;
1275 ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
1276 isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
1277 bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
1278 bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
1279 btime = dquot->dq_dqb.dqb_btime;
1280 itime = dquot->dq_dqb.dqb_itime;
1282 if (dqblk->dqb_valid & QIF_BTIME)
1283 dquot->dq_dqb.dqb_btime = dqblk->dqb_btime;
1284 if (dqblk->dqb_valid & QIF_ITIME)
1285 dquot->dq_dqb.dqb_itime = dqblk->dqb_itime;
1287 if (dqblk->dqb_valid & QIF_BLIMITS) {
1288 dquot->dq_dqb.dqb_bhardlimit = dqblk->dqb_bhardlimit;
1289 dquot->dq_dqb.dqb_bsoftlimit = dqblk->dqb_bsoftlimit;
1290 /* clear usage (limit pool) */
1291 if (!dquot->dq_dqb.dqb_bhardlimit &&
1292 !dquot->dq_dqb.dqb_bsoftlimit)
1293 dquot->dq_dqb.dqb_curspace = 0;
1295 /* clear grace time */
1296 if (!dqblk->dqb_bsoftlimit ||
1297 toqb(dquot->dq_dqb.dqb_curspace) <= dqblk->dqb_bsoftlimit)
1298 dquot->dq_dqb.dqb_btime = 0;
1299 /* set grace only if user hasn't provided his own */
1300 else if (!(dqblk->dqb_valid & QIF_BTIME))
1301 dquot->dq_dqb.dqb_btime = cfs_time_current_sec() +
1302 qinfo->qi_info[dquot->dq_type].dqi_bgrace;
1304 flag |= LQUOTA_FLAGS_ADJBLK;
1307 if (dqblk->dqb_valid & QIF_ILIMITS) {
1308 dquot->dq_dqb.dqb_ihardlimit = dqblk->dqb_ihardlimit;
1309 dquot->dq_dqb.dqb_isoftlimit = dqblk->dqb_isoftlimit;
1310 /* clear usage (limit pool) */
1311 if (!dquot->dq_dqb.dqb_ihardlimit &&
1312 !dquot->dq_dqb.dqb_isoftlimit)
1313 dquot->dq_dqb.dqb_curinodes = 0;
1315 if (!dqblk->dqb_isoftlimit ||
1316 dquot->dq_dqb.dqb_curinodes <= dqblk->dqb_isoftlimit)
1317 dquot->dq_dqb.dqb_itime = 0;
1318 else if (!(dqblk->dqb_valid & QIF_ITIME))
1319 dquot->dq_dqb.dqb_itime = cfs_time_current_sec() +
1320 qinfo->qi_info[dquot->dq_type].dqi_igrace;
1322 flag |= LQUOTA_FLAGS_ADJINO;
1324 QAQ_DEBUG(oqaq, "before dquot_create_oqaq\n");
1325 rc = dquot_create_oqaq(qctxt, dquot, lov->desc.ld_tgt_count, 1,
1327 QAQ_DEBUG(oqaq, "after dquot_create_oqaq\n");
1329 CDEBUG(D_QUOTA, "adjust qunit size failed! (rc:%d)\n", rc);
1332 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1337 CERROR("set limit failed! (rc:%d)\n", rc);
1341 up(&mds->mds_qonoff_sem);
1342 orig_set = ihardlimit || isoftlimit;
1343 now_set = dqblk->dqb_ihardlimit || dqblk->dqb_isoftlimit;
1344 if (dqblk->dqb_valid & QIF_ILIMITS && orig_set != now_set) {
1345 down(&dquot->dq_sem);
1346 dquot->dq_dqb.dqb_curinodes = 0;
1348 rc = mds_init_slave_ilimits(obd, oqctl, orig_set, oqaq);
1350 CERROR("init slave ilimits failed! (rc:%d)\n", rc);
1355 orig_set = bhardlimit || bsoftlimit;
1356 now_set = dqblk->dqb_bhardlimit || dqblk->dqb_bsoftlimit;
1357 if (dqblk->dqb_valid & QIF_BLIMITS && orig_set != now_set) {
1358 down(&dquot->dq_sem);
1359 dquot->dq_dqb.dqb_curspace = 0;
1361 rc = mds_init_slave_blimits(obd, oqctl, orig_set, oqaq);
1363 CERROR("init slave blimits failed! (rc:%d)\n", rc);
1369 down(&mds->mds_qonoff_sem);
1370 down(&dquot->dq_sem);
1372 /* cancel previous setting */
1373 dquot->dq_dqb.dqb_ihardlimit = ihardlimit;
1374 dquot->dq_dqb.dqb_isoftlimit = isoftlimit;
1375 dquot->dq_dqb.dqb_bhardlimit = bhardlimit;
1376 dquot->dq_dqb.dqb_bsoftlimit = bsoftlimit;
1377 dquot->dq_dqb.dqb_btime = btime;
1378 dquot->dq_dqb.dqb_itime = itime;
1380 rc2 = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1384 down(&dquot->dq_sem);
1385 dquot->dq_status &= ~DQ_STATUS_SET;
1387 lustre_dqput(dquot);
1390 up(&mds->mds_qonoff_sem);
1395 return rc ? rc : rc2;
1398 static int mds_get_space(struct obd_device *obd, struct obd_quotactl *oqctl)
1400 struct obd_quotactl *soqc;
1401 struct lvfs_run_ctxt saved;
1405 OBD_ALLOC_PTR(soqc);
1409 soqc->qc_cmd = Q_GETOQUOTA;
1410 soqc->qc_id = oqctl->qc_id;
1411 soqc->qc_type = oqctl->qc_type;
1413 /* get block usage from OSS */
1414 soqc->qc_dqblk.dqb_curspace = 0;
1415 rc = obd_quotactl(obd->u.mds.mds_osc_exp, soqc);
1416 if (!rc || rc == -EREMOTEIO) {
1417 oqctl->qc_dqblk.dqb_curspace = soqc->qc_dqblk.dqb_curspace;
1418 oqctl->qc_dqblk.dqb_valid |= QIF_SPACE;
1421 /* get block/inode usage from MDS */
1422 soqc->qc_dqblk.dqb_curspace = 0;
1423 soqc->qc_dqblk.dqb_curinodes = 0;
1424 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1425 rc1 = fsfilt_quotactl(obd, obd->u.obt.obt_sb, soqc);
1426 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1428 oqctl->qc_dqblk.dqb_curspace += soqc->qc_dqblk.dqb_curspace;
1429 oqctl->qc_dqblk.dqb_curinodes = soqc->qc_dqblk.dqb_curinodes;
1430 oqctl->qc_dqblk.dqb_valid |= QIF_INODES;
1438 int mds_get_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl)
1440 struct mds_obd *mds = &obd->u.mds;
1441 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1442 struct lustre_dquot *dquot;
1443 struct obd_dqblk *dqblk = &oqctl->qc_dqblk;
1447 if (oqctl->qc_type != USRQUOTA &&
1448 oqctl->qc_type != GRPQUOTA)
1451 down(&mds->mds_qonoff_sem);
1452 dqblk->dqb_valid = 0;
1453 if (qinfo->qi_files[oqctl->qc_type] == NULL)
1454 GOTO(out, rc = -ESRCH);
1456 dquot = lustre_dqget(obd, qinfo, oqctl->qc_id, oqctl->qc_type);
1458 GOTO(out, rc = PTR_ERR(dquot));
1460 down(&dquot->dq_sem);
1461 dqblk->dqb_ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
1462 dqblk->dqb_isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
1463 dqblk->dqb_bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
1464 dqblk->dqb_bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
1465 dqblk->dqb_btime = dquot->dq_dqb.dqb_btime;
1466 dqblk->dqb_itime = dquot->dq_dqb.dqb_itime;
1467 dqblk->dqb_valid |= QIF_LIMITS | QIF_TIMES;
1470 lustre_dqput(dquot);
1472 /* the usages in admin quota file is inaccurate */
1473 dqblk->dqb_curinodes = 0;
1474 dqblk->dqb_curspace = 0;
1475 rc = mds_get_space(obd, oqctl);
1478 up(&mds->mds_qonoff_sem);
1482 int mds_get_obd_quota(struct obd_device *obd, struct obd_quotactl *oqctl)
1484 struct lvfs_run_ctxt saved;
1488 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1489 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, oqctl);
1490 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
1496 /* FIXME we only recovery block limit by now, need recovery inode
1497 * limits also after CMD involved in */
1499 dquot_recovery(struct obd_device *obd, unsigned int id, unsigned short type)
1501 struct mds_obd *mds = &obd->u.mds;
1502 struct lustre_quota_info *qinfo= &mds->mds_quota_info;
1503 struct lustre_dquot *dquot;
1504 struct obd_quotactl *qctl;
1505 __u64 total_limits = 0;
1509 OBD_ALLOC_PTR(qctl);
1513 dquot = lustre_dqget(obd, qinfo, id, type);
1514 if (IS_ERR(dquot)) {
1515 CERROR("Get dquot failed. (rc:%ld)\n", PTR_ERR(dquot));
1517 RETURN(PTR_ERR(dquot));
1520 down(&dquot->dq_sem);
1522 /* don't recovery the dquot without limits or under setting */
1523 if (!(dquot->dq_dqb.dqb_bhardlimit || dquot->dq_dqb.dqb_bsoftlimit) ||
1526 dquot->dq_status |= DQ_STATUS_RECOVERY;
1530 /* get real bhardlimit from all slaves. */
1531 qctl->qc_cmd = Q_GETOQUOTA;
1532 qctl->qc_type = type;
1534 qctl->qc_stat = QUOTA_RECOVERING;
1535 rc = obd_quotactl(mds->mds_osc_exp, qctl);
1538 total_limits = qctl->qc_dqblk.dqb_bhardlimit;
1540 /* get real bhardlimit from master */
1541 rc = fsfilt_quotactl(obd, obd->u.obt.obt_sb, qctl);
1544 total_limits += qctl->qc_dqblk.dqb_bhardlimit;
1546 /* amend the usage of the administrative quotafile */
1547 down(&mds->mds_qonoff_sem);
1548 down(&dquot->dq_sem);
1550 dquot->dq_dqb.dqb_curspace = total_limits << QUOTABLOCK_BITS;
1552 rc = fsfilt_dquot(obd, dquot, QFILE_WR_DQUOT);
1554 CERROR("write dquot failed! (rc:%d)\n", rc);
1557 up(&mds->mds_qonoff_sem);
1560 down(&dquot->dq_sem);
1561 dquot->dq_status &= ~DQ_STATUS_RECOVERY;
1565 lustre_dqput(dquot);
1570 struct qmaster_recov_thread_data {
1571 struct obd_device *obd;
1572 struct completion comp;
1575 static int qmaster_recovery_main(void *arg)
1577 struct qmaster_recov_thread_data *data = arg;
1578 struct obd_device *obd = data->obd;
1579 struct mds_obd *mds = &obd->u.mds;
1580 struct lustre_quota_info *qinfo = &mds->mds_quota_info;
1582 unsigned short type;
1585 ptlrpc_daemonize("qmaster_recovd");
1588 class_incref(obd, "qmaster_recovd_mds", obd);
1590 class_incref(mds->mds_osc_obd, "qmaster_recovd_lov", mds->mds_osc_obd);
1592 complete(&data->comp);
1594 for (type = USRQUOTA; type < MAXQUOTAS; type++) {
1595 struct list_head id_list;
1596 struct dquot_id *dqid, *tmp;
1598 down(&mds->mds_qonoff_sem);
1599 if (qinfo->qi_files[type] == NULL) {
1600 up(&mds->mds_qonoff_sem);
1603 CFS_INIT_LIST_HEAD(&id_list);
1604 rc = fsfilt_qids(obd, qinfo->qi_files[type], NULL, type,
1606 up(&mds->mds_qonoff_sem);
1609 CERROR("error get ids from admin quotafile.(%d)\n", rc);
1611 list_for_each_entry_safe(dqid, tmp, &id_list, di_link) {
1612 list_del_init(&dqid->di_link);
1616 rc = dquot_recovery(obd, dqid->di_id, type);
1618 CERROR("qmaster recovery failed! (id:%d type:%d"
1619 " rc:%d)\n", dqid->di_id, type, rc);
1624 class_decref(mds->mds_osc_obd, "qmaster_recovd_lov", mds->mds_osc_obd);
1625 class_decref(obd, "qmaster_recovd_mds", obd);
1629 int mds_quota_recovery(struct obd_device *obd)
1631 struct mds_obd *mds = &obd->u.mds;
1632 struct qmaster_recov_thread_data data;
1636 if (unlikely(!mds->mds_quota || obd->obd_stopping))
1639 mutex_down(&obd->obd_dev_sem);
1640 if (mds->mds_lov_desc.ld_active_tgt_count != mds->mds_lov_objid_count) {
1641 CWARN("Only %u/%u OSTs are active, abort quota recovery\n",
1642 mds->mds_lov_desc.ld_active_tgt_count,
1643 mds->mds_lov_objid_count);
1644 mutex_up(&obd->obd_dev_sem);
1647 mutex_up(&obd->obd_dev_sem);
1650 init_completion(&data.comp);
1652 rc = kernel_thread(qmaster_recovery_main, &data, CLONE_VM|CLONE_FILES);
1654 CERROR("Cannot start quota recovery thread: rc %d\n", rc);
1656 wait_for_completion(&data.comp);
1660 #endif /* HAVE_QUOTA_SUPPORT */