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);
206 * generic_quota_on is very lazy and tolerant about current quota settings
207 * @global means to turn on quotas on each OST additionally to local quotas;
208 * should not be called from filter_quota_ctl on MDS nodes (as it starts
209 * admin quotas on MDS nodes).
211 int generic_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl, int global)
213 struct obd_device_target *obt = &obd->u.obt;
214 struct lvfs_run_ctxt saved;
215 int id, is_master, rc = 0, local; /* means we need a local quotaon */
217 cfs_down(&obt->obt_quotachecking);
218 id = UGQUOTA2LQC(oqctl->qc_type);
219 local = (obt->obt_qctxt.lqc_flags & id) != id;
221 oqctl->qc_cmd = Q_QUOTAON;
222 oqctl->qc_id = obt->obt_qfmt;
224 is_master = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
226 cfs_down(&obd->u.mds.mds_qonoff_sem);
228 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
229 /* turn on cluster wide quota */
230 rc = mds_admin_quota_on(obd, oqctl);
231 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
232 if (rc && rc != -ENOENT)
233 CERROR("%s: %s admin quotaon failed. rc=%d\n",
234 obd->obd_name, global ? "global":"local",
241 push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
242 rc = fsfilt_quotactl(obd, obt->obt_sb, oqctl);
245 CERROR("%s: %s quotaon failed with"
246 " rc=%d\n", obd->obd_name,
247 global ? "global" : "local", rc);
249 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
252 pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
255 if (rc == 0 && global && is_master)
256 rc = obd_quotactl(obd->u.mds.mds_osc_exp, oqctl);
260 cfs_up(&obd->u.mds.mds_qonoff_sem);
262 cfs_up(&obt->obt_quotachecking);
267 static int auto_quota_on(struct obd_device *obd, int type)
269 struct obd_quotactl *oqctl;
273 LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
275 OBD_ALLOC_PTR(oqctl);
279 oqctl->qc_type = type;
281 rc = generic_quota_on(obd, oqctl, 0);
287 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
288 unsigned long count, void *data)
290 struct obd_device *obd = (struct obd_device *)data;
291 struct obd_device_target *obt;
292 int type = 0, is_mds;
294 char stype[MAX_STYPE_SIZE + 1] = "";
296 LASSERT(obd != NULL);
300 is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
302 if (count > MAX_STYPE_SIZE)
305 if (cfs_copy_from_user(stype, buffer, count))
308 for (i = 0 ; i < count ; i++) {
318 CWARN("quota_type options 1 and 2 are obsolete, "
319 "they will be ignored\n");
321 case '3' : /* the only valid version spec, do nothing */
322 default : /* just skip stray symbols like \n */
328 int rc = auto_quota_on(obd, type - 1);
330 if (rc && rc != -EALREADY && rc != -ENOENT)
336 EXPORT_SYMBOL(lprocfs_quota_wr_type);
338 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
339 int count, int *eof, void *data)
341 struct obd_device *obd = (struct obd_device *)data;
342 LASSERT(obd != NULL);
344 return snprintf(page, count, "%d\n",
345 obd->u.obt.obt_qctxt.lqc_switch_seconds);
347 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
349 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
350 unsigned long count, void *data)
352 struct obd_device *obd = (struct obd_device *)data;
354 LASSERT(obd != NULL);
356 rc = lprocfs_write_helper(buffer, count, &val);
363 obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
366 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
368 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
369 int count, int *eof, void *data)
371 struct obd_device *obd = (struct obd_device *)data;
372 LASSERT(obd != NULL);
374 return snprintf(page, count, "%d\n",
375 obd->u.obt.obt_qctxt.lqc_sync_blk);
377 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
379 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
380 unsigned long count, void *data)
382 struct obd_device *obd = (struct obd_device *)data;
384 LASSERT(obd != NULL);
386 rc = lprocfs_write_helper(buffer, count, &val);
393 obd->u.obt.obt_qctxt.lqc_sync_blk = val;
396 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
398 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
399 int count, int *eof, void *data)
401 struct obd_device *obd = (struct obd_device *)data;
402 LASSERT(obd != NULL);
404 return snprintf(page, count, "changing qunit size is %s\n",
405 obd->u.obt.obt_qctxt.lqc_switch_qs ?
406 "enabled" : "disabled");
408 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
410 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
411 unsigned long count, void *data)
413 struct obd_device *obd = (struct obd_device *)data;
415 LASSERT(obd != NULL);
417 rc = lprocfs_write_helper(buffer, count, &val);
422 obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
424 obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
428 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
430 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
431 int count, int *eof, void *data)
433 struct obd_device *obd = (struct obd_device *)data;
434 LASSERT(obd != NULL);
437 return snprintf(page, count, "%lu\n",
438 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
440 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
442 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
443 unsigned long count, void *data)
445 struct obd_device *obd = (struct obd_device *)data;
447 LASSERT(obd != NULL);
449 rc = lprocfs_write_helper(buffer, count, &val);
456 obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
459 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
461 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
462 int count, int *eof, void *data)
464 struct obd_device *obd = (struct obd_device *)data;
465 LASSERT(obd != NULL);
468 return snprintf(page, count, "%lu\n",
469 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
471 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
473 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
474 unsigned long count, void *data)
476 struct obd_device *obd = (struct obd_device *)data;
478 LASSERT(obd != NULL);
480 rc = lprocfs_write_helper(buffer, count, &val);
484 if (val < PTLRPC_MAX_BRW_SIZE ||
485 val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
488 obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
491 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
493 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
494 int count, int *eof, void *data)
496 struct obd_device *obd = (struct obd_device *)data;
497 LASSERT(obd != NULL);
500 return snprintf(page, count, "%lu\n",
501 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
503 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
505 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
506 unsigned long count, void *data)
508 struct obd_device *obd = (struct obd_device *)data;
510 LASSERT(obd != NULL);
512 rc = lprocfs_write_helper(buffer, count, &val);
516 if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
519 obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
522 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
524 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
525 int count, int *eof, void *data)
527 struct obd_device *obd = (struct obd_device *)data;
528 LASSERT(obd != NULL);
531 return snprintf(page, count, "%lu\n",
532 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
534 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
536 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
537 unsigned long count, void *data)
539 struct obd_device *obd = (struct obd_device *)data;
541 LASSERT(obd != NULL);
543 rc = lprocfs_write_helper(buffer, count, &val);
550 obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
553 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
555 struct lprocfs_vars lprocfs_quota_common_vars[] = {
556 { "quota_bunit_sz", lprocfs_quota_rd_bunit,
557 lprocfs_quota_wr_bunit, 0},
558 { "quota_btune_sz", lprocfs_quota_rd_btune,
559 lprocfs_quota_wr_btune, 0},
560 { "quota_iunit_sz", lprocfs_quota_rd_iunit,
561 lprocfs_quota_wr_iunit, 0},
562 { "quota_itune_sz", lprocfs_quota_rd_itune,
563 lprocfs_quota_wr_itune, 0},
564 { "quota_type", lprocfs_quota_rd_type,
565 lprocfs_quota_wr_type, 0},
566 { "quota_switch_seconds", lprocfs_quota_rd_switch_seconds,
567 lprocfs_quota_wr_switch_seconds, 0 },
568 { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
569 lprocfs_quota_wr_sync_blk, 0},
573 struct lprocfs_vars lprocfs_quota_master_vars[] = {
574 { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
575 lprocfs_quota_wr_switch_qs, 0 },
576 { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
577 lprocfs_quota_wr_boundary_factor, 0 },
578 { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
579 lprocfs_quota_wr_least_bunit, 0 },
580 { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
581 lprocfs_quota_wr_least_iunit, 0 },
582 { "quota_qs_factor", lprocfs_quota_rd_qs_factor,
583 lprocfs_quota_wr_qs_factor, 0 },
587 int lquota_proc_setup(struct obd_device *obd, int is_master)
589 struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
593 LASSERT(lquota_type_proc_dir && obd);
594 qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
595 lquota_type_proc_dir,
596 lprocfs_quota_common_vars, obd);
597 if (IS_ERR(qctxt->lqc_proc_dir)) {
598 rc = PTR_ERR(qctxt->lqc_proc_dir);
599 CERROR("%s: error %d setting up lprocfs\n",
601 qctxt->lqc_proc_dir = NULL;
606 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
607 lprocfs_quota_master_vars, obd);
609 CERROR("%s: error %d setting up lprocfs for "
610 "quota master\n", obd->obd_name, rc);
611 GOTO(out_free_proc, rc);
615 qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
616 LQUOTA_FIRST_STAT, 0);
617 if (!qctxt->lqc_stats)
618 GOTO(out_free_proc, rc = -ENOMEM);
620 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
621 LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
622 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
623 LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
624 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
625 LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
626 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
627 LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
629 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
630 LPROCFS_CNTR_AVGMINMAX,
631 "wait_for_blk_quota(lquota_chkquota)", "us");
632 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
633 LPROCFS_CNTR_AVGMINMAX,
634 "wait_for_ino_quota(lquota_chkquota)", "us");
635 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
636 LPROCFS_CNTR_AVGMINMAX,
637 "wait_for_blk_quota(lquota_pending_commit)",
639 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
640 LPROCFS_CNTR_AVGMINMAX,
641 "wait_for_ino_quota(lquota_pending_commit)",
644 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
645 LPROCFS_CNTR_AVGMINMAX,
646 "wait_for_pending_blk_quota_req"
647 "(qctxt_wait_pending_dqacq)", "us");
648 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
649 LPROCFS_CNTR_AVGMINMAX,
650 "wait_for_pending_ino_quota_req"
651 "(qctxt_wait_pending_dqacq)", "us");
652 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
653 LPROCFS_CNTR_AVGMINMAX,
654 "nowait_for_pending_blk_quota_req"
655 "(qctxt_wait_pending_dqacq)", "us");
656 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
657 LPROCFS_CNTR_AVGMINMAX,
658 "nowait_for_pending_ino_quota_req"
659 "(qctxt_wait_pending_dqacq)", "us");
661 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
662 LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
663 lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
664 LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
666 lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
671 lprocfs_remove(&qctxt->lqc_proc_dir);
676 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
678 if (!qctxt || !qctxt->lqc_proc_dir)
681 if (qctxt->lqc_stats != NULL)
682 lprocfs_free_stats(&qctxt->lqc_stats);
684 lprocfs_remove(&qctxt->lqc_proc_dir);