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 int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
179 int *eof, void *data)
181 struct obd_device *obd = (struct obd_device *)data;
182 char stype[MAX_STYPE_SIZE + 1] = "";
184 struct obd_device_target *obt;
186 LASSERT(obd != NULL);
190 /* Collect the needed information */
191 oq_type = obd->u.obt.obt_qctxt.lqc_flags;
193 /* Transform the collected data into a user-readable string */
194 if (oq_type & LQC_USRQUOTA_FLAG)
196 if (oq_type & LQC_GRPQUOTA_FLAG)
201 return snprintf(page, count, "%s\n", stype);
203 EXPORT_SYMBOL(lprocfs_quota_rd_type);
205 static int auto_quota_on(struct obd_device *obd, int type,
206 struct super_block *sb, int is_master)
208 struct obd_quotactl *oqctl;
209 struct lvfs_run_ctxt saved;
211 struct obd_device_target *obt;
214 LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
218 OBD_ALLOC_PTR(oqctl);
222 if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
223 CDEBUG(D_INFO, "other people are doing quotacheck\n");
224 atomic_inc(&obt->obt_quotachecking);
228 id = UGQUOTA2LQC(type);
229 /* quota already turned on */
230 if ((obt->obt_qctxt.lqc_flags & id) == id) {
235 oqctl->qc_type = type;
236 oqctl->qc_cmd = Q_QUOTAON;
237 oqctl->qc_id = obt->obt_qfmt;
239 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
241 struct mds_obd *mds = &obd->u.mds;
243 down(&mds->mds_qonoff_sem);
244 /* turn on cluster wide quota */
245 rc = mds_admin_quota_on(obd, oqctl);
247 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
248 "auto-enable admin quota failed. rc=%d\n", rc);
249 up(&mds->mds_qonoff_sem);
253 /* turn on local quota */
254 rc = fsfilt_quotactl(obd, sb, oqctl);
256 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
257 "auto-enable local quota failed. rc=%d\n", rc);
259 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
262 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
265 atomic_inc(&obt->obt_quotachecking);
271 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
272 unsigned long count, void *data)
274 struct obd_device *obd = (struct obd_device *)data;
275 struct obd_device_target *obt;
276 int type = 0, is_mds;
278 char stype[MAX_STYPE_SIZE + 1] = "";
280 LASSERT(obd != NULL);
284 is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
286 if (count > MAX_STYPE_SIZE)
289 if (copy_from_user(stype, buffer, count))
292 for (i = 0 ; i < count ; i++) {
302 CWARN("quota_type options 1 and 2 are obsolete, "
303 "they will be ignored\n");
305 case '3' : /* the only valid version spec, do nothing */
306 default : /* just skip stray symbols like \n */
312 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
316 EXPORT_SYMBOL(lprocfs_quota_wr_type);
318 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
319 int count, int *eof, void *data)
321 struct obd_device *obd = (struct obd_device *)data;
322 LASSERT(obd != NULL);
324 return snprintf(page, count, "%d\n",
325 obd->u.obt.obt_qctxt.lqc_switch_seconds);
327 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
329 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
330 unsigned long count, void *data)
332 struct obd_device *obd = (struct obd_device *)data;
334 LASSERT(obd != NULL);
336 rc = lprocfs_write_helper(buffer, count, &val);
343 obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
346 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
348 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
349 int count, int *eof, void *data)
351 struct obd_device *obd = (struct obd_device *)data;
352 LASSERT(obd != NULL);
354 return snprintf(page, count, "%d\n",
355 obd->u.obt.obt_qctxt.lqc_sync_blk);
357 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
359 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
360 unsigned long count, void *data)
362 struct obd_device *obd = (struct obd_device *)data;
364 LASSERT(obd != NULL);
366 rc = lprocfs_write_helper(buffer, count, &val);
373 obd->u.obt.obt_qctxt.lqc_sync_blk = val;
376 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
378 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
379 int count, int *eof, void *data)
381 struct obd_device *obd = (struct obd_device *)data;
382 LASSERT(obd != NULL);
384 return snprintf(page, count, "changing qunit size is %s\n",
385 obd->u.obt.obt_qctxt.lqc_switch_qs ?
386 "enabled" : "disabled");
388 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
390 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
391 unsigned long count, void *data)
393 struct obd_device *obd = (struct obd_device *)data;
395 LASSERT(obd != NULL);
397 rc = lprocfs_write_helper(buffer, count, &val);
402 obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
404 obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
408 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
410 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
411 int count, int *eof, void *data)
413 struct obd_device *obd = (struct obd_device *)data;
414 LASSERT(obd != NULL);
417 return snprintf(page, count, "%lu\n",
418 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
420 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
422 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
423 unsigned long count, void *data)
425 struct obd_device *obd = (struct obd_device *)data;
427 LASSERT(obd != NULL);
429 rc = lprocfs_write_helper(buffer, count, &val);
436 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
439 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
441 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
442 int count, int *eof, void *data)
444 struct obd_device *obd = (struct obd_device *)data;
445 LASSERT(obd != NULL);
448 return snprintf(page, count, "%lu\n",
449 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
451 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
453 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
454 unsigned long count, void *data)
456 struct obd_device *obd = (struct obd_device *)data;
458 LASSERT(obd != NULL);
460 rc = lprocfs_write_helper(buffer, count, &val);
464 if (val < PTLRPC_MAX_BRW_SIZE ||
465 val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
468 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
471 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
473 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
474 int count, int *eof, void *data)
476 struct obd_device *obd = (struct obd_device *)data;
477 LASSERT(obd != NULL);
480 return snprintf(page, count, "%lu\n",
481 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
483 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
485 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
486 unsigned long count, void *data)
488 struct obd_device *obd = (struct obd_device *)data;
490 LASSERT(obd != NULL);
492 rc = lprocfs_write_helper(buffer, count, &val);
496 if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
499 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
502 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
504 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
505 int count, int *eof, void *data)
507 struct obd_device *obd = (struct obd_device *)data;
508 LASSERT(obd != NULL);
511 return snprintf(page, count, "%lu\n",
512 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
514 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
516 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
517 unsigned long count, void *data)
519 struct obd_device *obd = (struct obd_device *)data;
521 LASSERT(obd != NULL);
523 rc = lprocfs_write_helper(buffer, count, &val);
530 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
533 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
535 struct lprocfs_vars lprocfs_quota_common_vars[] = {
536 { "quota_bunit_sz", lprocfs_quota_rd_bunit,
537 lprocfs_quota_wr_bunit, 0},
538 { "quota_btune_sz", lprocfs_quota_rd_btune,
539 lprocfs_quota_wr_btune, 0},
540 { "quota_iunit_sz", lprocfs_quota_rd_iunit,
541 lprocfs_quota_wr_iunit, 0},
542 { "quota_itune_sz", lprocfs_quota_rd_itune,
543 lprocfs_quota_wr_itune, 0},
544 { "quota_type", lprocfs_quota_rd_type,
545 lprocfs_quota_wr_type, 0},
546 { "quota_switch_seconds", lprocfs_quota_rd_switch_seconds,
547 lprocfs_quota_wr_switch_seconds, 0 },
548 { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
549 lprocfs_quota_wr_sync_blk, 0},
553 struct lprocfs_vars lprocfs_quota_master_vars[] = {
554 { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
555 lprocfs_quota_wr_switch_qs, 0 },
556 { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
557 lprocfs_quota_wr_boundary_factor, 0 },
558 { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
559 lprocfs_quota_wr_least_bunit, 0 },
560 { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
561 lprocfs_quota_wr_least_iunit, 0 },
562 { "quota_qs_factor", lprocfs_quota_rd_qs_factor,
563 lprocfs_quota_wr_qs_factor, 0 },
567 int lquota_proc_setup(struct obd_device *obd, int is_master)
569 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
573 LASSERT(lquota_type_proc_dir && obd);
574 qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
575 lquota_type_proc_dir,
576 lprocfs_quota_common_vars, obd);
577 if (IS_ERR(qctxt->lqc_proc_dir)) {
578 rc = PTR_ERR(qctxt->lqc_proc_dir);
579 CERROR("error %d setting up lprocfs for %s\n", rc,
581 qctxt->lqc_proc_dir = NULL;
586 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
587 lprocfs_quota_master_vars, obd);
589 CERROR("error %d setting up lprocfs for %s"
590 "(quota master)\n", rc, obd->obd_name);
591 GOTO(out_free_proc, rc);
595 qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
596 LQUOTA_FIRST_STAT, 0);
597 if (!qctxt->lqc_stats)
598 GOTO(out_free_proc, rc = -ENOMEM);
600 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
601 LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
602 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
603 LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
604 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
605 LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
606 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
607 LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
609 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
610 LPROCFS_CNTR_AVGMINMAX,
611 "wait_for_blk_quota(lquota_chkquota)", "us");
612 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
613 LPROCFS_CNTR_AVGMINMAX,
614 "wait_for_ino_quota(lquota_chkquota)", "us");
615 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
616 LPROCFS_CNTR_AVGMINMAX,
617 "wait_for_blk_quota(lquota_pending_commit)",
619 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
620 LPROCFS_CNTR_AVGMINMAX,
621 "wait_for_ino_quota(lquota_pending_commit)",
624 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
625 LPROCFS_CNTR_AVGMINMAX,
626 "wait_for_pending_blk_quota_req"
627 "(qctxt_wait_pending_dqacq)", "us");
628 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
629 LPROCFS_CNTR_AVGMINMAX,
630 "wait_for_pending_ino_quota_req"
631 "(qctxt_wait_pending_dqacq)", "us");
632 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
633 LPROCFS_CNTR_AVGMINMAX,
634 "nowait_for_pending_blk_quota_req"
635 "(qctxt_wait_pending_dqacq)", "us");
636 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
637 LPROCFS_CNTR_AVGMINMAX,
638 "nowait_for_pending_ino_quota_req"
639 "(qctxt_wait_pending_dqacq)", "us");
641 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
642 LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
643 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
644 LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
646 lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
651 lprocfs_remove(&qctxt->lqc_proc_dir);
656 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
658 if (!qctxt || !qctxt->lqc_proc_dir)
661 if (qctxt->lqc_stats != NULL)
662 lprocfs_free_stats(&qctxt->lqc_stats);
664 lprocfs_remove(&qctxt->lqc_proc_dir);