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.
37 #define DEBUG_SUBSYSTEM S_LQUOTA
39 #include <linux/version.h>
40 #include <lprocfs_status.h>
42 #include <linux/seq_file.h>
43 #include <lustre_fsfilt.h>
45 #include "quota_internal.h"
47 #ifdef HAVE_QUOTA_SUPPORT
50 int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
53 struct obd_device *obd = (struct obd_device *)data;
56 return snprintf(page, count, "%lu\n",
57 obd->u.obt.obt_qctxt.lqc_bunit_sz);
59 EXPORT_SYMBOL(lprocfs_quota_rd_bunit);
61 int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
62 unsigned long count, void *data)
64 struct obd_device *obd = (struct obd_device *)data;
68 rc = lprocfs_write_helper(buffer, count, &val);
72 if (val % QUOTABLOCK_SIZE ||
73 val <= obd->u.obt.obt_qctxt.lqc_btune_sz)
76 obd->u.obt.obt_qctxt.lqc_bunit_sz = val;
79 EXPORT_SYMBOL(lprocfs_quota_wr_bunit);
81 int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
84 struct obd_device *obd = (struct obd_device *)data;
87 return snprintf(page, count, "%lu\n",
88 obd->u.obt.obt_qctxt.lqc_btune_sz);
90 EXPORT_SYMBOL(lprocfs_quota_rd_btune);
92 int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
93 unsigned long count, void *data)
95 struct obd_device *obd = (struct obd_device *)data;
99 rc = lprocfs_write_helper(buffer, count, &val);
103 if (val <= QUOTABLOCK_SIZE * MIN_QLIMIT || val % QUOTABLOCK_SIZE ||
104 val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
107 obd->u.obt.obt_qctxt.lqc_btune_sz = val;
110 EXPORT_SYMBOL(lprocfs_quota_wr_btune);
112 int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
113 int *eof, void *data)
115 struct obd_device *obd = (struct obd_device *)data;
116 LASSERT(obd != NULL);
118 return snprintf(page, count, "%lu\n",
119 obd->u.obt.obt_qctxt.lqc_iunit_sz);
121 EXPORT_SYMBOL(lprocfs_quota_rd_iunit);
123 int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
124 unsigned long count, void *data)
126 struct obd_device *obd = (struct obd_device *)data;
128 LASSERT(obd != NULL);
130 rc = lprocfs_write_helper(buffer, count, &val);
134 if (val <= obd->u.obt.obt_qctxt.lqc_itune_sz)
137 obd->u.obt.obt_qctxt.lqc_iunit_sz = val;
140 EXPORT_SYMBOL(lprocfs_quota_wr_iunit);
142 int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
143 int *eof, void *data)
145 struct obd_device *obd = (struct obd_device *)data;
146 LASSERT(obd != NULL);
148 return snprintf(page, count, "%lu\n",
149 obd->u.obt.obt_qctxt.lqc_itune_sz);
151 EXPORT_SYMBOL(lprocfs_quota_rd_itune);
153 int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
154 unsigned long count, void *data)
156 struct obd_device *obd = (struct obd_device *)data;
158 LASSERT(obd != NULL);
160 rc = lprocfs_write_helper(buffer, count, &val);
164 if (val <= MIN_QLIMIT ||
165 val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
168 obd->u.obt.obt_qctxt.lqc_itune_sz = val;
171 EXPORT_SYMBOL(lprocfs_quota_wr_itune);
174 #define GROUP_QUOTA 2
176 #define MAX_STYPE_SIZE 5
178 /* The following information about CURRENT quotas is expected on the output:
179 * MDS: u for user quotas (administrative+operational) turned on,
180 * g for group quotas (administrative+operational) turned on,
181 * 1 for 32-bit operational quotas and 32-bit administrative quotas,
182 * 2 for 32-bit operational quotas and 64-bit administrative quotas,
183 * 3 for 64-bit operational quotas and 64-bit administrative quotas
184 * OST: u for user quotas (operational) turned on,
185 * g for group quotas (operational) turned on,
186 * 1 for 32-bit local operational quotas,
187 * 3 for 64-bit local operational quotas,
188 * Permanent parameters can be read with lctl (?)
190 int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
191 int *eof, void *data)
193 struct obd_device *obd = (struct obd_device *)data;
194 char stype[MAX_STYPE_SIZE + 1] = "";
195 int oq_type, rc, is_mds;
196 lustre_quota_version_t aq_version, oq_version;
197 struct obd_device_target *obt;
199 LASSERT(obd != NULL);
202 is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
204 /* Collect the needed information */
205 oq_type = obd->u.obt.obt_qctxt.lqc_flags;
206 oq_version = obt->obt_qfmt;
208 rc = mds_quota_get_version(obd, &aq_version);
211 /* Here we can also assert that aq_type == oq_type
212 * except for quota startup/shutdown states */
215 /* Transform the collected data into a user-readable string */
216 if (oq_type & LQC_USRQUOTA_FLAG)
218 if (oq_type & LQC_GRPQUOTA_FLAG)
221 if ((!is_mds || aq_version == LUSTRE_QUOTA_V1) &&
222 oq_version == LUSTRE_QUOTA_V1)
225 else if ((!is_mds || aq_version == LUSTRE_QUOTA_V2) &&
226 oq_version == LUSTRE_QUOTA_V2)
229 else if (is_mds && aq_version == LUSTRE_QUOTA_V2 &&
230 oq_version == LUSTRE_QUOTA_V1)
235 return snprintf(page, count, "%s\n", stype);
237 EXPORT_SYMBOL(lprocfs_quota_rd_type);
239 static int auto_quota_on(struct obd_device *obd, int type,
240 struct super_block *sb, int is_master)
242 struct obd_quotactl *oqctl;
243 struct lvfs_run_ctxt saved;
245 struct obd_device_target *obt;
248 LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
252 OBD_ALLOC_PTR(oqctl);
256 if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
257 CDEBUG(D_INFO, "other people are doing quotacheck\n");
258 atomic_inc(&obt->obt_quotachecking);
262 id = UGQUOTA2LQC(type);
263 /* quota already turned on */
264 if ((obt->obt_qctxt.lqc_flags & id) == id) {
269 oqctl->qc_type = type;
270 oqctl->qc_cmd = Q_QUOTAON;
271 oqctl->qc_id = obt->obt_qfmt;
273 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
275 struct mds_obd *mds = &obd->u.mds;
277 down(&mds->mds_qonoff_sem);
278 /* turn on cluster wide quota */
279 rc = mds_admin_quota_on(obd, oqctl);
281 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
282 "auto-enable admin quota failed. rc=%d\n", rc);
283 up(&mds->mds_qonoff_sem);
287 /* turn on local quota */
288 rc = fsfilt_quotactl(obd, sb, oqctl);
290 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
291 "auto-enable local quota failed. rc=%d\n", rc);
293 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
296 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
299 atomic_inc(&obt->obt_quotachecking);
305 static int filter_quota_set_version(struct obd_device *obd,
306 lustre_quota_version_t version)
308 struct obd_device_target *obt = &obd->u.obt;
310 if (version != LUSTRE_QUOTA_V1) {
312 if (version != LUSTRE_QUOTA_V2)
317 if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
318 CDEBUG(D_INFO, "other people are doing quotacheck\n");
319 atomic_inc(&obt->obt_quotachecking);
323 if (obt->obt_qctxt.lqc_flags & (LQC_USRQUOTA_FLAG | LQC_GRPQUOTA_FLAG)) {
324 atomic_inc(&obt->obt_quotachecking);
328 obt->obt_qfmt = version;
330 atomic_inc(&obt->obt_quotachecking);
335 /* The following settings of CURRENT quotas is expected on the input:
336 * MDS: u for user quotas (administrative+operational) turned on,
337 * g for group quotas (administrative+operational) turned on,
338 * 1 for 32-bit operational quotas and 32-bit administrative quotas,
339 * 2 for 32-bit operational quotas and 64-bit administrative quotas,
340 * 3 for 64-bit operational quotas and 64-bit administrative quotas
341 * OST: u for user quotas (operational) turned on,
342 * g for group quotas (operational) turned on,
343 * 1 for 32-bit local operational quotas,
344 * 2 for 32-bit local operational quotas,
345 * 3 for 64-bit local operational quotas,
346 * Permanent parameters can be set with lctl/tunefs
348 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
349 unsigned long count, void *data)
351 struct obd_device *obd = (struct obd_device *)data;
352 struct obd_device_target *obt;
353 int type = 0, is_mds, idx;
355 char stype[MAX_STYPE_SIZE + 1] = "";
356 static const lustre_quota_version_t s2av[3] = {LUSTRE_QUOTA_V1,
359 s2ov[3] = {LUSTRE_QUOTA_V1,
362 LASSERT(obd != NULL);
366 is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
368 if (count > MAX_STYPE_SIZE)
371 if (copy_from_user(stype, buffer, count))
374 for (i = 0 ; i < count ; i++) {
384 /* quota version specifiers */
388 idx = stype[i] - '1';
390 if (s2ov[idx] == LUSTRE_QUOTA_V2)
394 rc = mds_quota_set_version(obd, s2av[idx]);
396 CDEBUG(D_QUOTA, "failed to set admin "
397 "quota to spec %c! %d\n",
402 rc = filter_quota_set_version(obd, s2ov[idx]);
404 CDEBUG(D_QUOTA, "failed to set operational quota"
405 " to spec %c! %d\n", stype[i], rc);
409 default : /* just skip stray symbols like \n */
415 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
421 EXPORT_SYMBOL(lprocfs_quota_wr_type);
423 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
424 int count, int *eof, void *data)
426 struct obd_device *obd = (struct obd_device *)data;
427 LASSERT(obd != NULL);
429 return snprintf(page, count, "%d\n",
430 obd->u.obt.obt_qctxt.lqc_switch_seconds);
432 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
434 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
435 unsigned long count, void *data)
437 struct obd_device *obd = (struct obd_device *)data;
439 LASSERT(obd != NULL);
441 rc = lprocfs_write_helper(buffer, count, &val);
448 obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
451 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
453 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
454 int count, int *eof, void *data)
456 struct obd_device *obd = (struct obd_device *)data;
457 LASSERT(obd != NULL);
459 return snprintf(page, count, "%d\n",
460 obd->u.obt.obt_qctxt.lqc_sync_blk);
462 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
464 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
465 unsigned long count, void *data)
467 struct obd_device *obd = (struct obd_device *)data;
469 LASSERT(obd != NULL);
471 rc = lprocfs_write_helper(buffer, count, &val);
478 obd->u.obt.obt_qctxt.lqc_sync_blk = val;
481 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
483 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
484 int count, int *eof, void *data)
486 struct obd_device *obd = (struct obd_device *)data;
487 LASSERT(obd != NULL);
489 return snprintf(page, count, "changing qunit size is %s\n",
490 obd->u.obt.obt_qctxt.lqc_switch_qs ?
491 "enabled" : "disabled");
493 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
495 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
496 unsigned long count, void *data)
498 struct obd_device *obd = (struct obd_device *)data;
500 LASSERT(obd != NULL);
502 rc = lprocfs_write_helper(buffer, count, &val);
507 obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
509 obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
513 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
515 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
516 int count, int *eof, void *data)
518 struct obd_device *obd = (struct obd_device *)data;
519 LASSERT(obd != NULL);
522 return snprintf(page, count, "%lu\n",
523 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
525 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
527 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
528 unsigned long count, void *data)
530 struct obd_device *obd = (struct obd_device *)data;
532 LASSERT(obd != NULL);
534 rc = lprocfs_write_helper(buffer, count, &val);
541 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
544 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
546 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
547 int count, int *eof, void *data)
549 struct obd_device *obd = (struct obd_device *)data;
550 LASSERT(obd != NULL);
553 return snprintf(page, count, "%lu\n",
554 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
556 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
558 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
559 unsigned long count, void *data)
561 struct obd_device *obd = (struct obd_device *)data;
563 LASSERT(obd != NULL);
565 rc = lprocfs_write_helper(buffer, count, &val);
569 if (val < PTLRPC_MAX_BRW_SIZE ||
570 val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
573 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
576 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
578 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
579 int count, int *eof, void *data)
581 struct obd_device *obd = (struct obd_device *)data;
582 LASSERT(obd != NULL);
585 return snprintf(page, count, "%lu\n",
586 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
588 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
590 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
591 unsigned long count, void *data)
593 struct obd_device *obd = (struct obd_device *)data;
595 LASSERT(obd != NULL);
597 rc = lprocfs_write_helper(buffer, count, &val);
601 if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
604 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
607 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
609 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
610 int count, int *eof, void *data)
612 struct obd_device *obd = (struct obd_device *)data;
613 LASSERT(obd != NULL);
616 return snprintf(page, count, "%lu\n",
617 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
619 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
621 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
622 unsigned long count, void *data)
624 struct obd_device *obd = (struct obd_device *)data;
626 LASSERT(obd != NULL);
628 rc = lprocfs_write_helper(buffer, count, &val);
635 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
638 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
640 struct lprocfs_vars lprocfs_quota_common_vars[] = {
641 { "quota_bunit_sz", lprocfs_quota_rd_bunit,
642 lprocfs_quota_wr_bunit, 0},
643 { "quota_btune_sz", lprocfs_quota_rd_btune,
644 lprocfs_quota_wr_btune, 0},
645 { "quota_iunit_sz", lprocfs_quota_rd_iunit,
646 lprocfs_quota_wr_iunit, 0},
647 { "quota_itune_sz", lprocfs_quota_rd_itune,
648 lprocfs_quota_wr_itune, 0},
649 { "quota_type", lprocfs_quota_rd_type,
650 lprocfs_quota_wr_type, 0},
651 { "quota_switch_seconds", lprocfs_quota_rd_switch_seconds,
652 lprocfs_quota_wr_switch_seconds, 0 },
653 { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
654 lprocfs_quota_wr_sync_blk, 0},
658 struct lprocfs_vars lprocfs_quota_master_vars[] = {
659 { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
660 lprocfs_quota_wr_switch_qs, 0 },
661 { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
662 lprocfs_quota_wr_boundary_factor, 0 },
663 { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
664 lprocfs_quota_wr_least_bunit, 0 },
665 { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
666 lprocfs_quota_wr_least_iunit, 0 },
667 { "quota_qs_factor", lprocfs_quota_rd_qs_factor,
668 lprocfs_quota_wr_qs_factor, 0 },
672 int lquota_proc_setup(struct obd_device *obd, int is_master)
674 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
678 LASSERT(lquota_type_proc_dir && obd);
679 qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
680 lquota_type_proc_dir,
681 lprocfs_quota_common_vars, obd);
682 if (IS_ERR(qctxt->lqc_proc_dir)) {
683 rc = PTR_ERR(qctxt->lqc_proc_dir);
684 CERROR("error %d setting up lprocfs for %s\n", rc,
686 qctxt->lqc_proc_dir = NULL;
691 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
692 lprocfs_quota_master_vars, obd);
694 CERROR("error %d setting up lprocfs for %s"
695 "(quota master)\n", rc, obd->obd_name);
696 GOTO(out_free_proc, rc);
700 qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
701 LQUOTA_FIRST_STAT, 0);
702 if (!qctxt->lqc_stats)
703 GOTO(out_free_proc, rc = -ENOMEM);
705 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
706 LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
707 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
708 LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
709 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
710 LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
711 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
712 LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
714 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
715 LPROCFS_CNTR_AVGMINMAX,
716 "wait_for_blk_quota(lquota_chkquota)", "us");
717 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
718 LPROCFS_CNTR_AVGMINMAX,
719 "wait_for_ino_quota(lquota_chkquota)", "us");
720 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
721 LPROCFS_CNTR_AVGMINMAX,
722 "wait_for_blk_quota(lquota_pending_commit)",
724 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
725 LPROCFS_CNTR_AVGMINMAX,
726 "wait_for_ino_quota(lquota_pending_commit)",
729 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
730 LPROCFS_CNTR_AVGMINMAX,
731 "wait_for_pending_blk_quota_req"
732 "(qctxt_wait_pending_dqacq)", "us");
733 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
734 LPROCFS_CNTR_AVGMINMAX,
735 "wait_for_pending_ino_quota_req"
736 "(qctxt_wait_pending_dqacq)", "us");
737 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
738 LPROCFS_CNTR_AVGMINMAX,
739 "nowait_for_pending_blk_quota_req"
740 "(qctxt_wait_pending_dqacq)", "us");
741 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
742 LPROCFS_CNTR_AVGMINMAX,
743 "nowait_for_pending_ino_quota_req"
744 "(qctxt_wait_pending_dqacq)", "us");
746 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
747 LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
748 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
749 LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
751 lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
756 lprocfs_remove(&qctxt->lqc_proc_dir);
761 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
763 if (!qctxt || !qctxt->lqc_proc_dir)
766 if (qctxt->lqc_stats != NULL)
767 lprocfs_free_stats(&qctxt->lqc_stats);
769 lprocfs_remove(&qctxt->lqc_proc_dir);