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 = &obd->u.obt;
214 LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
216 OBD_ALLOC_PTR(oqctl);
220 down(&obt->obt_quotachecking);
221 id = UGQUOTA2LQC(type);
222 /* quota already turned on */
223 if ((obt->obt_qctxt.lqc_flags & id) == id)
226 if (obt->obt_qctxt.lqc_immutable) {
227 LCONSOLE_ERROR("Failed to turn Quota on, immutable mode "
228 "(is SOM enabled?)\n");
232 oqctl->qc_type = type;
233 oqctl->qc_cmd = Q_QUOTAON;
234 oqctl->qc_id = obt->obt_qfmt;
236 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
238 struct mds_obd *mds = &obd->u.mds;
240 down(&mds->mds_qonoff_sem);
241 /* turn on cluster wide quota */
242 rc = mds_admin_quota_on(obd, oqctl);
244 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
245 "auto-enable admin quota failed. rc=%d\n", rc);
246 up(&mds->mds_qonoff_sem);
250 /* turn on local quota */
251 rc = fsfilt_quotactl(obd, sb, oqctl);
253 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
254 "auto-enable local quota failed. rc=%d\n", rc);
256 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
259 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
263 up(&obt->obt_quotachecking);
268 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
269 unsigned long count, void *data)
271 struct obd_device *obd = (struct obd_device *)data;
272 struct obd_device_target *obt;
273 int type = 0, is_mds;
275 char stype[MAX_STYPE_SIZE + 1] = "";
277 LASSERT(obd != NULL);
281 is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
283 if (count > MAX_STYPE_SIZE)
286 if (copy_from_user(stype, buffer, count))
289 for (i = 0 ; i < count ; i++) {
299 CWARN("quota_type options 1 and 2 are obsolete, "
300 "they will be ignored\n");
302 case '3' : /* the only valid version spec, do nothing */
303 default : /* just skip stray symbols like \n */
309 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
315 EXPORT_SYMBOL(lprocfs_quota_wr_type);
317 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
318 int count, int *eof, void *data)
320 struct obd_device *obd = (struct obd_device *)data;
321 LASSERT(obd != NULL);
323 return snprintf(page, count, "%d\n",
324 obd->u.obt.obt_qctxt.lqc_switch_seconds);
326 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
328 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
329 unsigned long count, void *data)
331 struct obd_device *obd = (struct obd_device *)data;
333 LASSERT(obd != NULL);
335 rc = lprocfs_write_helper(buffer, count, &val);
342 obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
345 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
347 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
348 int count, int *eof, void *data)
350 struct obd_device *obd = (struct obd_device *)data;
351 LASSERT(obd != NULL);
353 return snprintf(page, count, "%d\n",
354 obd->u.obt.obt_qctxt.lqc_sync_blk);
356 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
358 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
359 unsigned long count, void *data)
361 struct obd_device *obd = (struct obd_device *)data;
363 LASSERT(obd != NULL);
365 rc = lprocfs_write_helper(buffer, count, &val);
372 obd->u.obt.obt_qctxt.lqc_sync_blk = val;
375 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
377 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
378 int count, int *eof, void *data)
380 struct obd_device *obd = (struct obd_device *)data;
381 LASSERT(obd != NULL);
383 return snprintf(page, count, "changing qunit size is %s\n",
384 obd->u.obt.obt_qctxt.lqc_switch_qs ?
385 "enabled" : "disabled");
387 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
389 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
390 unsigned long count, void *data)
392 struct obd_device *obd = (struct obd_device *)data;
394 LASSERT(obd != NULL);
396 rc = lprocfs_write_helper(buffer, count, &val);
401 obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
403 obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
407 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
409 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
410 int count, int *eof, void *data)
412 struct obd_device *obd = (struct obd_device *)data;
413 LASSERT(obd != NULL);
416 return snprintf(page, count, "%lu\n",
417 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
419 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
421 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
422 unsigned long count, void *data)
424 struct obd_device *obd = (struct obd_device *)data;
426 LASSERT(obd != NULL);
428 rc = lprocfs_write_helper(buffer, count, &val);
435 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
438 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
440 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
441 int count, int *eof, void *data)
443 struct obd_device *obd = (struct obd_device *)data;
444 LASSERT(obd != NULL);
447 return snprintf(page, count, "%lu\n",
448 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
450 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
452 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
453 unsigned long count, void *data)
455 struct obd_device *obd = (struct obd_device *)data;
457 LASSERT(obd != NULL);
459 rc = lprocfs_write_helper(buffer, count, &val);
463 if (val < PTLRPC_MAX_BRW_SIZE ||
464 val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
467 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
470 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
472 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
473 int count, int *eof, void *data)
475 struct obd_device *obd = (struct obd_device *)data;
476 LASSERT(obd != NULL);
479 return snprintf(page, count, "%lu\n",
480 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
482 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
484 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
485 unsigned long count, void *data)
487 struct obd_device *obd = (struct obd_device *)data;
489 LASSERT(obd != NULL);
491 rc = lprocfs_write_helper(buffer, count, &val);
495 if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
498 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
501 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
503 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
504 int count, int *eof, void *data)
506 struct obd_device *obd = (struct obd_device *)data;
507 LASSERT(obd != NULL);
510 return snprintf(page, count, "%lu\n",
511 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
513 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
515 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
516 unsigned long count, void *data)
518 struct obd_device *obd = (struct obd_device *)data;
520 LASSERT(obd != NULL);
522 rc = lprocfs_write_helper(buffer, count, &val);
529 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
532 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
534 struct lprocfs_vars lprocfs_quota_common_vars[] = {
535 { "quota_bunit_sz", lprocfs_quota_rd_bunit,
536 lprocfs_quota_wr_bunit, 0},
537 { "quota_btune_sz", lprocfs_quota_rd_btune,
538 lprocfs_quota_wr_btune, 0},
539 { "quota_iunit_sz", lprocfs_quota_rd_iunit,
540 lprocfs_quota_wr_iunit, 0},
541 { "quota_itune_sz", lprocfs_quota_rd_itune,
542 lprocfs_quota_wr_itune, 0},
543 { "quota_type", lprocfs_quota_rd_type,
544 lprocfs_quota_wr_type, 0},
545 { "quota_switch_seconds", lprocfs_quota_rd_switch_seconds,
546 lprocfs_quota_wr_switch_seconds, 0 },
547 { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
548 lprocfs_quota_wr_sync_blk, 0},
552 struct lprocfs_vars lprocfs_quota_master_vars[] = {
553 { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
554 lprocfs_quota_wr_switch_qs, 0 },
555 { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
556 lprocfs_quota_wr_boundary_factor, 0 },
557 { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
558 lprocfs_quota_wr_least_bunit, 0 },
559 { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
560 lprocfs_quota_wr_least_iunit, 0 },
561 { "quota_qs_factor", lprocfs_quota_rd_qs_factor,
562 lprocfs_quota_wr_qs_factor, 0 },
566 int lquota_proc_setup(struct obd_device *obd, int is_master)
568 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
572 LASSERT(lquota_type_proc_dir && obd);
573 qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
574 lquota_type_proc_dir,
575 lprocfs_quota_common_vars, obd);
576 if (IS_ERR(qctxt->lqc_proc_dir)) {
577 rc = PTR_ERR(qctxt->lqc_proc_dir);
578 CERROR("error %d setting up lprocfs for %s\n", rc,
580 qctxt->lqc_proc_dir = NULL;
585 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
586 lprocfs_quota_master_vars, obd);
588 CERROR("error %d setting up lprocfs for %s"
589 "(quota master)\n", rc, obd->obd_name);
590 GOTO(out_free_proc, rc);
594 qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
595 LQUOTA_FIRST_STAT, 0);
596 if (!qctxt->lqc_stats)
597 GOTO(out_free_proc, rc = -ENOMEM);
599 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
600 LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
601 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
602 LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
603 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
604 LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
605 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
606 LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
608 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
609 LPROCFS_CNTR_AVGMINMAX,
610 "wait_for_blk_quota(lquota_chkquota)", "us");
611 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
612 LPROCFS_CNTR_AVGMINMAX,
613 "wait_for_ino_quota(lquota_chkquota)", "us");
614 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
615 LPROCFS_CNTR_AVGMINMAX,
616 "wait_for_blk_quota(lquota_pending_commit)",
618 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
619 LPROCFS_CNTR_AVGMINMAX,
620 "wait_for_ino_quota(lquota_pending_commit)",
623 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
624 LPROCFS_CNTR_AVGMINMAX,
625 "wait_for_pending_blk_quota_req"
626 "(qctxt_wait_pending_dqacq)", "us");
627 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
628 LPROCFS_CNTR_AVGMINMAX,
629 "wait_for_pending_ino_quota_req"
630 "(qctxt_wait_pending_dqacq)", "us");
631 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
632 LPROCFS_CNTR_AVGMINMAX,
633 "nowait_for_pending_blk_quota_req"
634 "(qctxt_wait_pending_dqacq)", "us");
635 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
636 LPROCFS_CNTR_AVGMINMAX,
637 "nowait_for_pending_ino_quota_req"
638 "(qctxt_wait_pending_dqacq)", "us");
640 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
641 LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
642 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
643 LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
645 lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
650 lprocfs_remove(&qctxt->lqc_proc_dir);
655 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
657 if (!qctxt || !qctxt->lqc_proc_dir)
660 if (qctxt->lqc_stats != NULL)
661 lprocfs_free_stats(&qctxt->lqc_stats);
663 lprocfs_remove(&qctxt->lqc_proc_dir);