lustre/quota/lproc_quota.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  * GPL HEADER START
   5  *
   6  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   7  *
   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.
  11  *
  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).
  17  *
  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
  21  *
  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
  24  * have any questions.
  25  *
  26  * GPL HEADER END
  27  */
  28 /*
  29  * Copyright  2008 Sun Microsystems, Inc. All rights reserved
  30  * Use is subject to license terms.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  */
  36
  37 #define DEBUG_SUBSYSTEM S_LQUOTA
  38
  39 #include <linux/version.h>
  40 #include <lprocfs_status.h>
  41 #include <obd.h>
  42 #include <linux/seq_file.h>
  43 #include <lustre_fsfilt.h>
  44
  45 #include "quota_internal.h"
  46
  47 #ifdef HAVE_QUOTA_SUPPORT
  48
  49 #ifdef LPROCFS
  50 int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
  51                            int *eof, void *data)
  52 {
  53         struct obd_device *obd = (struct obd_device *)data;
  54         LASSERT(obd != NULL);
  55
  56         return snprintf(page, count, "%lu\n",
  57                         obd->u.obt.obt_qctxt.lqc_bunit_sz);
  58 }
  59 EXPORT_SYMBOL(lprocfs_quota_rd_bunit);
  60
  61 int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
  62                            unsigned long count, void *data)
  63 {
  64         struct obd_device *obd = (struct obd_device *)data;
  65         int val, rc;
  66         LASSERT(obd != NULL);
  67
  68         rc = lprocfs_write_helper(buffer, count, &val);
  69         if (rc)
  70                 return rc;
  71
  72         if (val % QUOTABLOCK_SIZE ||
  73             val <= obd->u.obt.obt_qctxt.lqc_btune_sz)
  74                 return -EINVAL;
  75
  76         obd->u.obt.obt_qctxt.lqc_bunit_sz = val;
  77         return count;
  78 }
  79 EXPORT_SYMBOL(lprocfs_quota_wr_bunit);
  80
  81 int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
  82                            int *eof, void *data)
  83 {
  84         struct obd_device *obd = (struct obd_device *)data;
  85         LASSERT(obd != NULL);
  86
  87         return snprintf(page, count, "%lu\n",
  88                         obd->u.obt.obt_qctxt.lqc_btune_sz);
  89 }
  90 EXPORT_SYMBOL(lprocfs_quota_rd_btune);
  91
  92 int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
  93                            unsigned long count, void *data)
  94 {
  95         struct obd_device *obd = (struct obd_device *)data;
  96         int val, rc;
  97         LASSERT(obd != NULL);
  98
  99         rc = lprocfs_write_helper(buffer, count, &val);
 100         if (rc)
 101                 return rc;
 102
 103         if (val <= QUOTABLOCK_SIZE * MIN_QLIMIT || val % QUOTABLOCK_SIZE ||
 104             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 105                 return -EINVAL;
 106
 107         obd->u.obt.obt_qctxt.lqc_btune_sz = val;
 108         return count;
 109 }
 110 EXPORT_SYMBOL(lprocfs_quota_wr_btune);
 111
 112 int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
 113                            int *eof, void *data)
 114 {
 115         struct obd_device *obd = (struct obd_device *)data;
 116         LASSERT(obd != NULL);
 117
 118         return snprintf(page, count, "%lu\n",
 119                         obd->u.obt.obt_qctxt.lqc_iunit_sz);
 120 }
 121 EXPORT_SYMBOL(lprocfs_quota_rd_iunit);
 122
 123 int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
 124                            unsigned long count, void *data)
 125 {
 126         struct obd_device *obd = (struct obd_device *)data;
 127         int val, rc;
 128         LASSERT(obd != NULL);
 129
 130         rc = lprocfs_write_helper(buffer, count, &val);
 131         if (rc)
 132                 return rc;
 133
 134         if (val <= obd->u.obt.obt_qctxt.lqc_itune_sz)
 135                 return -EINVAL;
 136
 137         obd->u.obt.obt_qctxt.lqc_iunit_sz = val;
 138         return count;
 139 }
 140 EXPORT_SYMBOL(lprocfs_quota_wr_iunit);
 141
 142 int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
 143                            int *eof, void *data)
 144 {
 145         struct obd_device *obd = (struct obd_device *)data;
 146         LASSERT(obd != NULL);
 147
 148         return snprintf(page, count, "%lu\n",
 149                         obd->u.obt.obt_qctxt.lqc_itune_sz);
 150 }
 151 EXPORT_SYMBOL(lprocfs_quota_rd_itune);
 152
 153 int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
 154                            unsigned long count, void *data)
 155 {
 156         struct obd_device *obd = (struct obd_device *)data;
 157         int val, rc;
 158         LASSERT(obd != NULL);
 159
 160         rc = lprocfs_write_helper(buffer, count, &val);
 161         if (rc)
 162                 return rc;
 163
 164         if (val <= MIN_QLIMIT ||
 165             val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 166                 return -EINVAL;
 167
 168         obd->u.obt.obt_qctxt.lqc_itune_sz = val;
 169         return count;
 170 }
 171 EXPORT_SYMBOL(lprocfs_quota_wr_itune);
 172
 173 #define USER_QUOTA      1
 174 #define GROUP_QUOTA     2
 175
 176 #define MAX_STYPE_SIZE  5
 177
 178 int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
 179                           int *eof, void *data)
 180 {
 181         struct obd_device *obd = (struct obd_device *)data;
 182         char stype[MAX_STYPE_SIZE + 1] = "";
 183         int oq_type;
 184         struct obd_device_target *obt;
 185
 186         LASSERT(obd != NULL);
 187
 188         obt = &obd->u.obt;
 189
 190         /* Collect the needed information */
 191         oq_type = obd->u.obt.obt_qctxt.lqc_flags;
 192
 193         /* Transform the collected data into a user-readable string */
 194         if (oq_type & LQC_USRQUOTA_FLAG)
 195                 strcat(stype, "u");
 196         if (oq_type & LQC_GRPQUOTA_FLAG)
 197                 strcat(stype, "g");
 198
 199         strcat(stype, "3");
 200
 201         return snprintf(page, count, "%s\n", stype);
 202 }
 203 EXPORT_SYMBOL(lprocfs_quota_rd_type);
 204
 205 static int auto_quota_on(struct obd_device *obd, int type,
 206                          struct super_block *sb, int is_master)
 207 {
 208         struct obd_quotactl *oqctl;
 209         struct lvfs_run_ctxt saved;
 210         int rc = 0, rc1 = 0, id;
 211         struct obd_device_target *obt = &obd->u.obt;
 212         struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
 213         struct mds_obd *mds = NULL;
 214         ENTRY;
 215
 216         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 217
 218         OBD_ALLOC_PTR(oqctl);
 219         if (!oqctl)
 220                 RETURN(-ENOMEM);
 221
 222         down(&obt->obt_quotachecking);
 223         id = UGQUOTA2LQC(type);
 224         /* quota already turned on */
 225         if ((obt->obt_qctxt.lqc_flags & id) == id)
 226                 GOTO(out, rc);
 227
 228         if (obt->obt_qctxt.lqc_immutable) {
 229                 LCONSOLE_ERROR("Failed to turn Quota on, immutable mode "
 230                                "(is SOM enabled?)\n");
 231                 GOTO(out, rc = -ECANCELED);
 232         }
 233
 234         oqctl->qc_type = type;
 235         oqctl->qc_cmd = Q_QUOTAON;
 236         oqctl->qc_id = obt->obt_qfmt;
 237
 238         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 239
 240         if (is_master) {
 241                 mds = &obd->u.mds;
 242                 down(&mds->mds_qonoff_sem);
 243                 /* turn on cluster wide quota */
 244                 rc1 = mds_admin_quota_on(obd, oqctl);
 245                 if (rc1 && rc1 != -EALREADY) {
 246                         CDEBUG_LIMIT(rc1 == -ENOENT ? D_QUOTA : D_ERROR,
 247                                      "%s: auto-enable admin quota failed with "
 248                                      "rc=%d\n", obd->obd_name, rc1);
 249                         GOTO(out_ctxt, rc1);
 250                 }
 251         }
 252
 253         /* turn on local quota */
 254         rc = fsfilt_quotactl(obd, sb, oqctl);
 255         if (!rc) {
 256                 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
 257                 build_lqs(obd);
 258         } else if (rc == -EBUSY && quota_is_on(qctxt, oqctl)) {
 259                 CWARN("%s: mds local quota[%d] is on already\n",
 260                       obd->obd_name, oqctl->qc_type);
 261                 rc = -EALREADY;
 262         } else {
 263                 CDEBUG_LIMIT(rc == -ENOENT ? D_QUOTA : D_ERROR,
 264                              "%s: auto-enable local quota failed with rc=%d\n",
 265                              obd->obd_name, rc);
 266                 if (rc1 == -EALREADY) {
 267                         oqctl->qc_cmd = Q_QUOTAOFF;
 268                         mds_admin_quota_off(obd, oqctl);
 269                 }
 270                 if (rc == -ENOENT)
 271                         CWARN("%s: quotaon failed because quota files don't "
 272                               "exist, please run quotacheck firstly\n",
 273                               obd->obd_name);
 274
 275                 GOTO(out_ctxt, rc);
 276         }
 277
 278         EXIT;
 279
 280 out_ctxt:
 281         if (mds != NULL)
 282                 up(&mds->mds_qonoff_sem);
 283         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 284
 285 out:
 286         up(&obt->obt_quotachecking);
 287         OBD_FREE_PTR(oqctl);
 288         return rc;
 289 }
 290
 291 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 292                           unsigned long count, void *data)
 293 {
 294         struct obd_device *obd = (struct obd_device *)data;
 295         struct obd_device_target *obt;
 296         int type = 0, is_mds;
 297         unsigned long i;
 298         char stype[MAX_STYPE_SIZE + 1] = "";
 299
 300         LASSERT(obd != NULL);
 301
 302         obt = &obd->u.obt;
 303
 304         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 305
 306         if (count > MAX_STYPE_SIZE)
 307                 return -EINVAL;
 308
 309         if (copy_from_user(stype, buffer, count))
 310                 return -EFAULT;
 311
 312         for (i = 0 ; i < count ; i++) {
 313                 switch (stype[i]) {
 314                 case 'u' :
 315                         type |= USER_QUOTA;
 316                         break;
 317                 case 'g' :
 318                         type |= GROUP_QUOTA;
 319                         break;
 320                 case '1' :
 321                 case '2' :
 322                         CWARN("quota_type options 1 and 2 are obsolete, "
 323                               "they will be ignored\n");
 324                         break;
 325                 case '3' : /* the only valid version spec, do nothing */
 326                 default  : /* just skip stray symbols like \n */
 327                         break;
 328                 }
 329         }
 330
 331         if (type != 0) {
 332                 int rc = auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
 333
 334                 if (rc && rc != -EALREADY && rc != -ENOENT)
 335                         return rc;
 336         }
 337
 338         return count;
 339 }
 340 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 341
 342 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 343                                     int count, int *eof, void *data)
 344 {
 345         struct obd_device *obd = (struct obd_device *)data;
 346         LASSERT(obd != NULL);
 347
 348         return snprintf(page, count, "%d\n",
 349                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 350 }
 351 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 352
 353 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 354                                     unsigned long count, void *data)
 355 {
 356         struct obd_device *obd = (struct obd_device *)data;
 357         int val, rc;
 358         LASSERT(obd != NULL);
 359
 360         rc = lprocfs_write_helper(buffer, count, &val);
 361         if (rc)
 362                 return rc;
 363
 364         if (val <= 10)
 365                 return -EINVAL;
 366
 367         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 368         return count;
 369 }
 370 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 371
 372 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 373                               int count, int *eof, void *data)
 374 {
 375         struct obd_device *obd = (struct obd_device *)data;
 376         LASSERT(obd != NULL);
 377
 378         return snprintf(page, count, "%d\n",
 379                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 380 }
 381 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 382
 383 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 384                               unsigned long count, void *data)
 385 {
 386         struct obd_device *obd = (struct obd_device *)data;
 387         int val, rc;
 388         LASSERT(obd != NULL);
 389
 390         rc = lprocfs_write_helper(buffer, count, &val);
 391         if (rc)
 392                 return rc;
 393
 394         if (val < 0)
 395                 return -EINVAL;
 396
 397         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 398         return count;
 399 }
 400 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 401
 402 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 403                                int count, int *eof, void *data)
 404 {
 405         struct obd_device *obd = (struct obd_device *)data;
 406         LASSERT(obd != NULL);
 407
 408         return snprintf(page, count, "changing qunit size is %s\n",
 409                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 410                         "enabled" : "disabled");
 411 }
 412 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 413
 414 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 415                                unsigned long count, void *data)
 416 {
 417         struct obd_device *obd = (struct obd_device *)data;
 418         int val, rc;
 419         LASSERT(obd != NULL);
 420
 421         rc = lprocfs_write_helper(buffer, count, &val);
 422         if (rc)
 423                 return rc;
 424
 425         if (val)
 426             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 427         else
 428             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 429
 430         return count;
 431 }
 432 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 433
 434 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 435                                      int count, int *eof, void *data)
 436 {
 437         struct obd_device *obd = (struct obd_device *)data;
 438         LASSERT(obd != NULL);
 439
 440
 441         return snprintf(page, count, "%lu\n",
 442                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 443 }
 444 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 445
 446 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 447                                      unsigned long count, void *data)
 448 {
 449         struct obd_device *obd = (struct obd_device *)data;
 450         int val, rc;
 451         LASSERT(obd != NULL);
 452
 453         rc = lprocfs_write_helper(buffer, count, &val);
 454         if (rc)
 455                 return rc;
 456
 457         if (val < 2)
 458                 return -EINVAL;
 459
 460         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 461         return count;
 462 }
 463 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 464
 465 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 466                                  int count, int *eof, void *data)
 467 {
 468         struct obd_device *obd = (struct obd_device *)data;
 469         LASSERT(obd != NULL);
 470
 471
 472         return snprintf(page, count, "%lu\n",
 473                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 474 }
 475 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 476
 477 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 478                                  unsigned long count, void *data)
 479 {
 480         struct obd_device *obd = (struct obd_device *)data;
 481         int val, rc;
 482         LASSERT(obd != NULL);
 483
 484         rc = lprocfs_write_helper(buffer, count, &val);
 485         if (rc)
 486                 return rc;
 487
 488         if (val < PTLRPC_MAX_BRW_SIZE ||
 489             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 490                 return -EINVAL;
 491
 492         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 493         return count;
 494 }
 495 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 496
 497 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 498                                  int count, int *eof, void *data)
 499 {
 500         struct obd_device *obd = (struct obd_device *)data;
 501         LASSERT(obd != NULL);
 502
 503
 504         return snprintf(page, count, "%lu\n",
 505                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 506 }
 507 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 508
 509 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 510                                  unsigned long count, void *data)
 511 {
 512         struct obd_device *obd = (struct obd_device *)data;
 513         int val, rc;
 514         LASSERT(obd != NULL);
 515
 516         rc = lprocfs_write_helper(buffer, count, &val);
 517         if (rc)
 518                 return rc;
 519
 520         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 521                 return -EINVAL;
 522
 523         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 524         return count;
 525 }
 526 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 527
 528 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 529                                int count, int *eof, void *data)
 530 {
 531         struct obd_device *obd = (struct obd_device *)data;
 532         LASSERT(obd != NULL);
 533
 534
 535         return snprintf(page, count, "%lu\n",
 536                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 537 }
 538 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 539
 540 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 541                                unsigned long count, void *data)
 542 {
 543         struct obd_device *obd = (struct obd_device *)data;
 544         int val, rc;
 545         LASSERT(obd != NULL);
 546
 547         rc = lprocfs_write_helper(buffer, count, &val);
 548         if (rc)
 549                 return rc;
 550
 551         if (val < 2)
 552                 return -EINVAL;
 553
 554         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 555         return count;
 556 }
 557 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 558
 559 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 560         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 561                             lprocfs_quota_wr_bunit, 0},
 562         { "quota_btune_sz", lprocfs_quota_rd_btune,
 563                             lprocfs_quota_wr_btune, 0},
 564         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 565                             lprocfs_quota_wr_iunit, 0},
 566         { "quota_itune_sz", lprocfs_quota_rd_itune,
 567                             lprocfs_quota_wr_itune, 0},
 568         { "quota_type",     lprocfs_quota_rd_type,
 569                             lprocfs_quota_wr_type, 0},
 570         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 571                                    lprocfs_quota_wr_switch_seconds, 0 },
 572         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 573                             lprocfs_quota_wr_sync_blk, 0},
 574         { NULL }
 575 };
 576
 577 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 578         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 579                              lprocfs_quota_wr_switch_qs, 0 },
 580         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 581                                    lprocfs_quota_wr_boundary_factor, 0 },
 582         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 583                                lprocfs_quota_wr_least_bunit, 0 },
 584         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 585                                lprocfs_quota_wr_least_iunit, 0 },
 586         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 587                                lprocfs_quota_wr_qs_factor, 0 },
 588         { NULL }
 589 };
 590
 591 int lquota_proc_setup(struct obd_device *obd, int is_master)
 592 {
 593         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 594         int rc = 0;
 595         ENTRY;
 596
 597         LASSERT(lquota_type_proc_dir && obd);
 598         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 599                                                lquota_type_proc_dir,
 600                                                lprocfs_quota_common_vars, obd);
 601         if (IS_ERR(qctxt->lqc_proc_dir)) {
 602                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 603                 CERROR("%s: error %d setting up lprocfs\n",
 604                        obd->obd_name, rc);
 605                 qctxt->lqc_proc_dir = NULL;
 606                 GOTO(out, rc);
 607         }
 608
 609         if (is_master) {
 610                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 611                                       lprocfs_quota_master_vars, obd);
 612                 if (rc) {
 613                         CERROR("%s: error %d setting up lprocfs for "
 614                                "quota master\n", obd->obd_name, rc);
 615                         GOTO(out_free_proc, rc);
 616                 }
 617         }
 618
 619         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 620                                                LQUOTA_FIRST_STAT, 0);
 621         if (!qctxt->lqc_stats)
 622                 GOTO(out_free_proc, rc = -ENOMEM);
 623
 624         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 625                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 626         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 627                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 628         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 629                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 630         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 631                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 632
 633         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 634                              LPROCFS_CNTR_AVGMINMAX,
 635                              "wait_for_blk_quota(lquota_chkquota)", "us");
 636         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 637                              LPROCFS_CNTR_AVGMINMAX,
 638                              "wait_for_ino_quota(lquota_chkquota)", "us");
 639         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 640                              LPROCFS_CNTR_AVGMINMAX,
 641                              "wait_for_blk_quota(lquota_pending_commit)",
 642                              "us");
 643         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 644                              LPROCFS_CNTR_AVGMINMAX,
 645                              "wait_for_ino_quota(lquota_pending_commit)",
 646                              "us");
 647
 648         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 649                              LPROCFS_CNTR_AVGMINMAX,
 650                              "wait_for_pending_blk_quota_req"
 651                              "(qctxt_wait_pending_dqacq)", "us");
 652         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 653                              LPROCFS_CNTR_AVGMINMAX,
 654                              "wait_for_pending_ino_quota_req"
 655                              "(qctxt_wait_pending_dqacq)", "us");
 656         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 657                              LPROCFS_CNTR_AVGMINMAX,
 658                              "nowait_for_pending_blk_quota_req"
 659                              "(qctxt_wait_pending_dqacq)", "us");
 660         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 661                              LPROCFS_CNTR_AVGMINMAX,
 662                              "nowait_for_pending_ino_quota_req"
 663                              "(qctxt_wait_pending_dqacq)", "us");
 664
 665         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 666                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 667         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 668                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 669
 670         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 671
 672         RETURN(rc);
 673
 674 out_free_proc:
 675         lprocfs_remove(&qctxt->lqc_proc_dir);
 676 out:
 677         RETURN(rc);
 678 }
 679
 680 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 681 {
 682         if (!qctxt || !qctxt->lqc_proc_dir)
 683                 return -EINVAL;
 684
 685         if (qctxt->lqc_stats != NULL)
 686                  lprocfs_free_stats(&qctxt->lqc_stats);
 687
 688         lprocfs_remove(&qctxt->lqc_proc_dir);
 689         return 0;
 690 }
 691
 692 #endif  /* LPROCFS */
 693 #endif