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, id;
 211         struct obd_device_target *obt = &obd->u.obt;
 212         ENTRY;
 213
 214         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 215
 216         OBD_ALLOC_PTR(oqctl);
 217         if (!oqctl)
 218                 RETURN(-ENOMEM);
 219
 220         down(&obt->obt_quotachecking);
 221         id = UGQUOTA2LQC(type);
 222         /* quota already turned on */
 223         if ((obt->obt_qctxt.lqc_flags & id) == id)
 224                 GOTO(out, rc);
 225
 226         if (obt->obt_qctxt.lqc_immutable) {
 227                 LCONSOLE_ERROR("Failed to turn Quota on, immutable mode "
 228                                "(is SOM enabled?)\n");
 229                 GOTO(out, rc = -ECANCELED);
 230         }
 231
 232         oqctl->qc_type = type;
 233         oqctl->qc_cmd = Q_QUOTAON;
 234         oqctl->qc_id = obt->obt_qfmt;
 235
 236         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 237         if (is_master) {
 238                 struct mds_obd *mds = &obd->u.mds;
 239
 240                 down(&mds->mds_qonoff_sem);
 241                 /* turn on cluster wide quota */
 242                 rc = mds_admin_quota_on(obd, oqctl);
 243                 if (rc)
 244                         CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 245                                "auto-enable admin quota failed. rc=%d\n", rc);
 246                 up(&mds->mds_qonoff_sem);
 247
 248         }
 249         if (!rc) {
 250                 /* turn on local quota */
 251                 rc = fsfilt_quotactl(obd, sb, oqctl);
 252                 if (rc)
 253                         CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 254                                "auto-enable local quota failed. rc=%d\n", rc);
 255                 else
 256                         obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
 257         }
 258
 259         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 260         EXIT;
 261
 262 out:
 263         up(&obt->obt_quotachecking);
 264         OBD_FREE_PTR(oqctl);
 265         return rc;
 266 }
 267
 268 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 269                           unsigned long count, void *data)
 270 {
 271         struct obd_device *obd = (struct obd_device *)data;
 272         struct obd_device_target *obt;
 273         int type = 0, is_mds;
 274         unsigned long i;
 275         char stype[MAX_STYPE_SIZE + 1] = "";
 276
 277         LASSERT(obd != NULL);
 278
 279         obt = &obd->u.obt;
 280
 281         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 282
 283         if (count > MAX_STYPE_SIZE)
 284                 return -EINVAL;
 285
 286         if (copy_from_user(stype, buffer, count))
 287                 return -EFAULT;
 288
 289         for (i = 0 ; i < count ; i++) {
 290                 switch (stype[i]) {
 291                 case 'u' :
 292                         type |= USER_QUOTA;
 293                         break;
 294                 case 'g' :
 295                         type |= GROUP_QUOTA;
 296                         break;
 297                 case '1' :
 298                 case '2' :
 299                         CWARN("quota_type options 1 and 2 are obsolete, "
 300                               "they will be ignored\n");
 301                         break;
 302                 case '3' : /* the only valid version spec, do nothing */
 303                 default  : /* just skip stray symbols like \n */
 304                         break;
 305                 }
 306         }
 307
 308         if (type != 0) {
 309                 int rc = auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
 310
 311                 if (rc == 0)
 312                         build_lqs(obd);
 313                 else if (rc != -EALREADY)
 314                         return rc;
 315         }
 316
 317         return count;
 318 }
 319 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 320
 321 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 322                                     int count, int *eof, void *data)
 323 {
 324         struct obd_device *obd = (struct obd_device *)data;
 325         LASSERT(obd != NULL);
 326
 327         return snprintf(page, count, "%d\n",
 328                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 329 }
 330 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 331
 332 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 333                                     unsigned long count, void *data)
 334 {
 335         struct obd_device *obd = (struct obd_device *)data;
 336         int val, rc;
 337         LASSERT(obd != NULL);
 338
 339         rc = lprocfs_write_helper(buffer, count, &val);
 340         if (rc)
 341                 return rc;
 342
 343         if (val <= 10)
 344                 return -EINVAL;
 345
 346         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 347         return count;
 348 }
 349 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 350
 351 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 352                               int count, int *eof, void *data)
 353 {
 354         struct obd_device *obd = (struct obd_device *)data;
 355         LASSERT(obd != NULL);
 356
 357         return snprintf(page, count, "%d\n",
 358                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 359 }
 360 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 361
 362 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 363                               unsigned long count, void *data)
 364 {
 365         struct obd_device *obd = (struct obd_device *)data;
 366         int val, rc;
 367         LASSERT(obd != NULL);
 368
 369         rc = lprocfs_write_helper(buffer, count, &val);
 370         if (rc)
 371                 return rc;
 372
 373         if (val < 0)
 374                 return -EINVAL;
 375
 376         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 377         return count;
 378 }
 379 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 380
 381 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 382                                int count, int *eof, void *data)
 383 {
 384         struct obd_device *obd = (struct obd_device *)data;
 385         LASSERT(obd != NULL);
 386
 387         return snprintf(page, count, "changing qunit size is %s\n",
 388                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 389                         "enabled" : "disabled");
 390 }
 391 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 392
 393 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 394                                unsigned long count, void *data)
 395 {
 396         struct obd_device *obd = (struct obd_device *)data;
 397         int val, rc;
 398         LASSERT(obd != NULL);
 399
 400         rc = lprocfs_write_helper(buffer, count, &val);
 401         if (rc)
 402                 return rc;
 403
 404         if (val)
 405             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 406         else
 407             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 408
 409         return count;
 410 }
 411 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 412
 413 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 414                                      int count, int *eof, void *data)
 415 {
 416         struct obd_device *obd = (struct obd_device *)data;
 417         LASSERT(obd != NULL);
 418
 419
 420         return snprintf(page, count, "%lu\n",
 421                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 422 }
 423 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 424
 425 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 426                                      unsigned long count, void *data)
 427 {
 428         struct obd_device *obd = (struct obd_device *)data;
 429         int val, rc;
 430         LASSERT(obd != NULL);
 431
 432         rc = lprocfs_write_helper(buffer, count, &val);
 433         if (rc)
 434                 return rc;
 435
 436         if (val < 2)
 437                 return -EINVAL;
 438
 439         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 440         return count;
 441 }
 442 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 443
 444 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 445                                  int count, int *eof, void *data)
 446 {
 447         struct obd_device *obd = (struct obd_device *)data;
 448         LASSERT(obd != NULL);
 449
 450
 451         return snprintf(page, count, "%lu\n",
 452                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 453 }
 454 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 455
 456 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 457                                  unsigned long count, void *data)
 458 {
 459         struct obd_device *obd = (struct obd_device *)data;
 460         int val, rc;
 461         LASSERT(obd != NULL);
 462
 463         rc = lprocfs_write_helper(buffer, count, &val);
 464         if (rc)
 465                 return rc;
 466
 467         if (val < PTLRPC_MAX_BRW_SIZE ||
 468             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 469                 return -EINVAL;
 470
 471         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 472         return count;
 473 }
 474 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 475
 476 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 477                                  int count, int *eof, void *data)
 478 {
 479         struct obd_device *obd = (struct obd_device *)data;
 480         LASSERT(obd != NULL);
 481
 482
 483         return snprintf(page, count, "%lu\n",
 484                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 485 }
 486 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 487
 488 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 489                                  unsigned long count, void *data)
 490 {
 491         struct obd_device *obd = (struct obd_device *)data;
 492         int val, rc;
 493         LASSERT(obd != NULL);
 494
 495         rc = lprocfs_write_helper(buffer, count, &val);
 496         if (rc)
 497                 return rc;
 498
 499         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 500                 return -EINVAL;
 501
 502         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 503         return count;
 504 }
 505 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 506
 507 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 508                                int count, int *eof, void *data)
 509 {
 510         struct obd_device *obd = (struct obd_device *)data;
 511         LASSERT(obd != NULL);
 512
 513
 514         return snprintf(page, count, "%lu\n",
 515                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 516 }
 517 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 518
 519 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 520                                unsigned long count, void *data)
 521 {
 522         struct obd_device *obd = (struct obd_device *)data;
 523         int val, rc;
 524         LASSERT(obd != NULL);
 525
 526         rc = lprocfs_write_helper(buffer, count, &val);
 527         if (rc)
 528                 return rc;
 529
 530         if (val < 2)
 531                 return -EINVAL;
 532
 533         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 534         return count;
 535 }
 536 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 537
 538 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 539         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 540                             lprocfs_quota_wr_bunit, 0},
 541         { "quota_btune_sz", lprocfs_quota_rd_btune,
 542                             lprocfs_quota_wr_btune, 0},
 543         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 544                             lprocfs_quota_wr_iunit, 0},
 545         { "quota_itune_sz", lprocfs_quota_rd_itune,
 546                             lprocfs_quota_wr_itune, 0},
 547         { "quota_type",     lprocfs_quota_rd_type,
 548                             lprocfs_quota_wr_type, 0},
 549         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 550                                    lprocfs_quota_wr_switch_seconds, 0 },
 551         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 552                             lprocfs_quota_wr_sync_blk, 0},
 553         { NULL }
 554 };
 555
 556 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 557         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 558                              lprocfs_quota_wr_switch_qs, 0 },
 559         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 560                                    lprocfs_quota_wr_boundary_factor, 0 },
 561         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 562                                lprocfs_quota_wr_least_bunit, 0 },
 563         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 564                                lprocfs_quota_wr_least_iunit, 0 },
 565         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 566                                lprocfs_quota_wr_qs_factor, 0 },
 567         { NULL }
 568 };
 569
 570 int lquota_proc_setup(struct obd_device *obd, int is_master)
 571 {
 572         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 573         int rc = 0;
 574         ENTRY;
 575
 576         LASSERT(lquota_type_proc_dir && obd);
 577         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 578                                                lquota_type_proc_dir,
 579                                                lprocfs_quota_common_vars, obd);
 580         if (IS_ERR(qctxt->lqc_proc_dir)) {
 581                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 582                 CERROR("error %d setting up lprocfs for %s\n", rc,
 583                        obd->obd_name);
 584                 qctxt->lqc_proc_dir = NULL;
 585                 GOTO(out, rc);
 586         }
 587
 588         if (is_master) {
 589                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 590                                       lprocfs_quota_master_vars, obd);
 591                 if (rc) {
 592                         CERROR("error %d setting up lprocfs for %s"
 593                                "(quota master)\n", rc, obd->obd_name);
 594                         GOTO(out_free_proc, rc);
 595                 }
 596         }
 597
 598         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 599                                                LQUOTA_FIRST_STAT, 0);
 600         if (!qctxt->lqc_stats)
 601                 GOTO(out_free_proc, rc = -ENOMEM);
 602
 603         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 604                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 605         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 606                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 607         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 608                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 609         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 610                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 611
 612         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 613                              LPROCFS_CNTR_AVGMINMAX,
 614                              "wait_for_blk_quota(lquota_chkquota)", "us");
 615         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 616                              LPROCFS_CNTR_AVGMINMAX,
 617                              "wait_for_ino_quota(lquota_chkquota)", "us");
 618         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 619                              LPROCFS_CNTR_AVGMINMAX,
 620                              "wait_for_blk_quota(lquota_pending_commit)",
 621                              "us");
 622         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 623                              LPROCFS_CNTR_AVGMINMAX,
 624                              "wait_for_ino_quota(lquota_pending_commit)",
 625                              "us");
 626
 627         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 628                              LPROCFS_CNTR_AVGMINMAX,
 629                              "wait_for_pending_blk_quota_req"
 630                              "(qctxt_wait_pending_dqacq)", "us");
 631         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 632                              LPROCFS_CNTR_AVGMINMAX,
 633                              "wait_for_pending_ino_quota_req"
 634                              "(qctxt_wait_pending_dqacq)", "us");
 635         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 636                              LPROCFS_CNTR_AVGMINMAX,
 637                              "nowait_for_pending_blk_quota_req"
 638                              "(qctxt_wait_pending_dqacq)", "us");
 639         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 640                              LPROCFS_CNTR_AVGMINMAX,
 641                              "nowait_for_pending_ino_quota_req"
 642                              "(qctxt_wait_pending_dqacq)", "us");
 643
 644         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 645                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 646         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 647                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 648
 649         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 650
 651         RETURN(rc);
 652
 653 out_free_proc:
 654         lprocfs_remove(&qctxt->lqc_proc_dir);
 655 out:
 656         RETURN(rc);
 657 }
 658
 659 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 660 {
 661         if (!qctxt || !qctxt->lqc_proc_dir)
 662                 return -EINVAL;
 663
 664         if (qctxt->lqc_stats != NULL)
 665                  lprocfs_free_stats(&qctxt->lqc_stats);
 666
 667         lprocfs_remove(&qctxt->lqc_proc_dir);
 668         return 0;
 669 }
 670
 671 #endif  /* LPROCFS */
 672 #endif