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) {
234 if (obt->obt_qctxt.lqc_immutable) {
235 LCONSOLE_ERROR("Failed to turn Quota on, immutable mode "
236 "(is SOM enabled?)\n");
240 oqctl->qc_type = type;
241 oqctl->qc_cmd = Q_QUOTAON;
242 oqctl->qc_id = obt->obt_qfmt;
244 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
246 struct mds_obd *mds = &obd->u.mds;
248 down(&mds->mds_qonoff_sem);
249 /* turn on cluster wide quota */
250 rc = mds_admin_quota_on(obd, oqctl);
252 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
253 "auto-enable admin quota failed. rc=%d\n", rc);
254 up(&mds->mds_qonoff_sem);
258 /* turn on local quota */
259 rc = fsfilt_quotactl(obd, sb, oqctl);
261 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
262 "auto-enable local quota failed. rc=%d\n", rc);
264 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
267 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
270 atomic_inc(&obt->obt_quotachecking);
276 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
277 unsigned long count, void *data)
279 struct obd_device *obd = (struct obd_device *)data;
280 struct obd_device_target *obt;
281 int type = 0, is_mds;
283 char stype[MAX_STYPE_SIZE + 1] = "";
285 LASSERT(obd != NULL);
289 is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
291 if (count > MAX_STYPE_SIZE)
294 if (copy_from_user(stype, buffer, count))
297 for (i = 0 ; i < count ; i++) {
307 CWARN("quota_type options 1 and 2 are obsolete, "
308 "they will be ignored\n");
310 case '3' : /* the only valid version spec, do nothing */
311 default : /* just skip stray symbols like \n */
317 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
321 EXPORT_SYMBOL(lprocfs_quota_wr_type);
323 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
324 int count, int *eof, void *data)
326 struct obd_device *obd = (struct obd_device *)data;
327 LASSERT(obd != NULL);
329 return snprintf(page, count, "%d\n",
330 obd->u.obt.obt_qctxt.lqc_switch_seconds);
332 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
334 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
335 unsigned long count, void *data)
337 struct obd_device *obd = (struct obd_device *)data;
339 LASSERT(obd != NULL);
341 rc = lprocfs_write_helper(buffer, count, &val);
348 obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
351 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
353 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
354 int count, int *eof, void *data)
356 struct obd_device *obd = (struct obd_device *)data;
357 LASSERT(obd != NULL);
359 return snprintf(page, count, "%d\n",
360 obd->u.obt.obt_qctxt.lqc_sync_blk);
362 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
364 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
365 unsigned long count, void *data)
367 struct obd_device *obd = (struct obd_device *)data;
369 LASSERT(obd != NULL);
371 rc = lprocfs_write_helper(buffer, count, &val);
378 obd->u.obt.obt_qctxt.lqc_sync_blk = val;
381 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
383 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
384 int count, int *eof, void *data)
386 struct obd_device *obd = (struct obd_device *)data;
387 LASSERT(obd != NULL);
389 return snprintf(page, count, "changing qunit size is %s\n",
390 obd->u.obt.obt_qctxt.lqc_switch_qs ?
391 "enabled" : "disabled");
393 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
395 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
396 unsigned long count, void *data)
398 struct obd_device *obd = (struct obd_device *)data;
400 LASSERT(obd != NULL);
402 rc = lprocfs_write_helper(buffer, count, &val);
407 obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
409 obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
413 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
415 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
416 int count, int *eof, void *data)
418 struct obd_device *obd = (struct obd_device *)data;
419 LASSERT(obd != NULL);
422 return snprintf(page, count, "%lu\n",
423 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
425 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
427 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
428 unsigned long count, void *data)
430 struct obd_device *obd = (struct obd_device *)data;
432 LASSERT(obd != NULL);
434 rc = lprocfs_write_helper(buffer, count, &val);
441 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
444 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
446 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
447 int count, int *eof, void *data)
449 struct obd_device *obd = (struct obd_device *)data;
450 LASSERT(obd != NULL);
453 return snprintf(page, count, "%lu\n",
454 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
456 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
458 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
459 unsigned long count, void *data)
461 struct obd_device *obd = (struct obd_device *)data;
463 LASSERT(obd != NULL);
465 rc = lprocfs_write_helper(buffer, count, &val);
469 if (val < PTLRPC_MAX_BRW_SIZE ||
470 val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
473 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
476 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
478 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
479 int count, int *eof, void *data)
481 struct obd_device *obd = (struct obd_device *)data;
482 LASSERT(obd != NULL);
485 return snprintf(page, count, "%lu\n",
486 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
488 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
490 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
491 unsigned long count, void *data)
493 struct obd_device *obd = (struct obd_device *)data;
495 LASSERT(obd != NULL);
497 rc = lprocfs_write_helper(buffer, count, &val);
501 if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
504 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
507 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
509 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
510 int count, int *eof, void *data)
512 struct obd_device *obd = (struct obd_device *)data;
513 LASSERT(obd != NULL);
516 return snprintf(page, count, "%lu\n",
517 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
519 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
521 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
522 unsigned long count, void *data)
524 struct obd_device *obd = (struct obd_device *)data;
526 LASSERT(obd != NULL);
528 rc = lprocfs_write_helper(buffer, count, &val);
535 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
538 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
540 struct lprocfs_vars lprocfs_quota_common_vars[] = {
541 { "quota_bunit_sz", lprocfs_quota_rd_bunit,
542 lprocfs_quota_wr_bunit, 0},
543 { "quota_btune_sz", lprocfs_quota_rd_btune,
544 lprocfs_quota_wr_btune, 0},
545 { "quota_iunit_sz", lprocfs_quota_rd_iunit,
546 lprocfs_quota_wr_iunit, 0},
547 { "quota_itune_sz", lprocfs_quota_rd_itune,
548 lprocfs_quota_wr_itune, 0},
549 { "quota_type", lprocfs_quota_rd_type,
550 lprocfs_quota_wr_type, 0},
551 { "quota_switch_seconds", lprocfs_quota_rd_switch_seconds,
552 lprocfs_quota_wr_switch_seconds, 0 },
553 { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
554 lprocfs_quota_wr_sync_blk, 0},
558 struct lprocfs_vars lprocfs_quota_master_vars[] = {
559 { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
560 lprocfs_quota_wr_switch_qs, 0 },
561 { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
562 lprocfs_quota_wr_boundary_factor, 0 },
563 { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
564 lprocfs_quota_wr_least_bunit, 0 },
565 { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
566 lprocfs_quota_wr_least_iunit, 0 },
567 { "quota_qs_factor", lprocfs_quota_rd_qs_factor,
568 lprocfs_quota_wr_qs_factor, 0 },
572 int lquota_proc_setup(struct obd_device *obd, int is_master)
574 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
578 LASSERT(lquota_type_proc_dir && obd);
579 qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
580 lquota_type_proc_dir,
581 lprocfs_quota_common_vars, obd);
582 if (IS_ERR(qctxt->lqc_proc_dir)) {
583 rc = PTR_ERR(qctxt->lqc_proc_dir);
584 CERROR("error %d setting up lprocfs for %s\n", rc,
586 qctxt->lqc_proc_dir = NULL;
591 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
592 lprocfs_quota_master_vars, obd);
594 CERROR("error %d setting up lprocfs for %s"
595 "(quota master)\n", rc, obd->obd_name);
596 GOTO(out_free_proc, rc);
600 qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
601 LQUOTA_FIRST_STAT, 0);
602 if (!qctxt->lqc_stats)
603 GOTO(out_free_proc, rc = -ENOMEM);
605 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
606 LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
607 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
608 LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
609 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
610 LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
611 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
612 LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
614 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
615 LPROCFS_CNTR_AVGMINMAX,
616 "wait_for_blk_quota(lquota_chkquota)", "us");
617 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
618 LPROCFS_CNTR_AVGMINMAX,
619 "wait_for_ino_quota(lquota_chkquota)", "us");
620 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
621 LPROCFS_CNTR_AVGMINMAX,
622 "wait_for_blk_quota(lquota_pending_commit)",
624 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
625 LPROCFS_CNTR_AVGMINMAX,
626 "wait_for_ino_quota(lquota_pending_commit)",
629 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
630 LPROCFS_CNTR_AVGMINMAX,
631 "wait_for_pending_blk_quota_req"
632 "(qctxt_wait_pending_dqacq)", "us");
633 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
634 LPROCFS_CNTR_AVGMINMAX,
635 "wait_for_pending_ino_quota_req"
636 "(qctxt_wait_pending_dqacq)", "us");
637 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
638 LPROCFS_CNTR_AVGMINMAX,
639 "nowait_for_pending_blk_quota_req"
640 "(qctxt_wait_pending_dqacq)", "us");
641 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
642 LPROCFS_CNTR_AVGMINMAX,
643 "nowait_for_pending_ino_quota_req"
644 "(qctxt_wait_pending_dqacq)", "us");
646 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
647 LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
648 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
649 LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
651 lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
656 lprocfs_remove(&qctxt->lqc_proc_dir);
661 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
663 if (!qctxt || !qctxt->lqc_proc_dir)
666 if (qctxt->lqc_stats != NULL)
667 lprocfs_free_stats(&qctxt->lqc_stats);
669 lprocfs_remove(&qctxt->lqc_proc_dir);