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);
 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                 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
 310                 build_lqs(obd);
 311         }
 312
 313         return count;
 314 }
 315 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 316
 317 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 318                                     int count, int *eof, void *data)
 319 {
 320         struct obd_device *obd = (struct obd_device *)data;
 321         LASSERT(obd != NULL);
 322
 323         return snprintf(page, count, "%d\n",
 324                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 325 }
 326 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 327
 328 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 329                                     unsigned long count, void *data)
 330 {
 331         struct obd_device *obd = (struct obd_device *)data;
 332         int val, rc;
 333         LASSERT(obd != NULL);
 334
 335         rc = lprocfs_write_helper(buffer, count, &val);
 336         if (rc)
 337                 return rc;
 338
 339         if (val <= 10)
 340                 return -EINVAL;
 341
 342         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 343         return count;
 344 }
 345 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 346
 347 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 348                               int count, int *eof, void *data)
 349 {
 350         struct obd_device *obd = (struct obd_device *)data;
 351         LASSERT(obd != NULL);
 352
 353         return snprintf(page, count, "%d\n",
 354                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 355 }
 356 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 357
 358 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 359                               unsigned long count, void *data)
 360 {
 361         struct obd_device *obd = (struct obd_device *)data;
 362         int val, rc;
 363         LASSERT(obd != NULL);
 364
 365         rc = lprocfs_write_helper(buffer, count, &val);
 366         if (rc)
 367                 return rc;
 368
 369         if (val < 0)
 370                 return -EINVAL;
 371
 372         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 373         return count;
 374 }
 375 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 376
 377 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 378                                int count, int *eof, void *data)
 379 {
 380         struct obd_device *obd = (struct obd_device *)data;
 381         LASSERT(obd != NULL);
 382
 383         return snprintf(page, count, "changing qunit size is %s\n",
 384                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 385                         "enabled" : "disabled");
 386 }
 387 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 388
 389 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 390                                unsigned long count, void *data)
 391 {
 392         struct obd_device *obd = (struct obd_device *)data;
 393         int val, rc;
 394         LASSERT(obd != NULL);
 395
 396         rc = lprocfs_write_helper(buffer, count, &val);
 397         if (rc)
 398                 return rc;
 399
 400         if (val)
 401             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 402         else
 403             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 404
 405         return count;
 406 }
 407 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 408
 409 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 410                                      int count, int *eof, void *data)
 411 {
 412         struct obd_device *obd = (struct obd_device *)data;
 413         LASSERT(obd != NULL);
 414
 415
 416         return snprintf(page, count, "%lu\n",
 417                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 418 }
 419 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 420
 421 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 422                                      unsigned long count, void *data)
 423 {
 424         struct obd_device *obd = (struct obd_device *)data;
 425         int val, rc;
 426         LASSERT(obd != NULL);
 427
 428         rc = lprocfs_write_helper(buffer, count, &val);
 429         if (rc)
 430                 return rc;
 431
 432         if (val < 2)
 433                 return -EINVAL;
 434
 435         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 436         return count;
 437 }
 438 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 439
 440 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 441                                  int count, int *eof, void *data)
 442 {
 443         struct obd_device *obd = (struct obd_device *)data;
 444         LASSERT(obd != NULL);
 445
 446
 447         return snprintf(page, count, "%lu\n",
 448                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 449 }
 450 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 451
 452 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 453                                  unsigned long count, void *data)
 454 {
 455         struct obd_device *obd = (struct obd_device *)data;
 456         int val, rc;
 457         LASSERT(obd != NULL);
 458
 459         rc = lprocfs_write_helper(buffer, count, &val);
 460         if (rc)
 461                 return rc;
 462
 463         if (val < PTLRPC_MAX_BRW_SIZE ||
 464             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 465                 return -EINVAL;
 466
 467         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 468         return count;
 469 }
 470 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 471
 472 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 473                                  int count, int *eof, void *data)
 474 {
 475         struct obd_device *obd = (struct obd_device *)data;
 476         LASSERT(obd != NULL);
 477
 478
 479         return snprintf(page, count, "%lu\n",
 480                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 481 }
 482 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 483
 484 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 485                                  unsigned long count, void *data)
 486 {
 487         struct obd_device *obd = (struct obd_device *)data;
 488         int val, rc;
 489         LASSERT(obd != NULL);
 490
 491         rc = lprocfs_write_helper(buffer, count, &val);
 492         if (rc)
 493                 return rc;
 494
 495         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 496                 return -EINVAL;
 497
 498         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 499         return count;
 500 }
 501 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 502
 503 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 504                                int count, int *eof, void *data)
 505 {
 506         struct obd_device *obd = (struct obd_device *)data;
 507         LASSERT(obd != NULL);
 508
 509
 510         return snprintf(page, count, "%lu\n",
 511                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 512 }
 513 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 514
 515 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 516                                unsigned long count, void *data)
 517 {
 518         struct obd_device *obd = (struct obd_device *)data;
 519         int val, rc;
 520         LASSERT(obd != NULL);
 521
 522         rc = lprocfs_write_helper(buffer, count, &val);
 523         if (rc)
 524                 return rc;
 525
 526         if (val < 2)
 527                 return -EINVAL;
 528
 529         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 530         return count;
 531 }
 532 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 533
 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},
 549         { NULL }
 550 };
 551
 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 },
 563         { NULL }
 564 };
 565
 566 int lquota_proc_setup(struct obd_device *obd, int is_master)
 567 {
 568         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 569         int rc = 0;
 570         ENTRY;
 571
 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,
 579                        obd->obd_name);
 580                 qctxt->lqc_proc_dir = NULL;
 581                 GOTO(out, rc);
 582         }
 583
 584         if (is_master) {
 585                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 586                                       lprocfs_quota_master_vars, obd);
 587                 if (rc) {
 588                         CERROR("error %d setting up lprocfs for %s"
 589                                "(quota master)\n", rc, obd->obd_name);
 590                         GOTO(out_free_proc, rc);
 591                 }
 592         }
 593
 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);
 598
 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");
 607
 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)",
 617                              "us");
 618         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 619                              LPROCFS_CNTR_AVGMINMAX,
 620                              "wait_for_ino_quota(lquota_pending_commit)",
 621                              "us");
 622
 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");
 639
 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");
 644
 645         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 646
 647         RETURN(rc);
 648
 649 out_free_proc:
 650         lprocfs_remove(&qctxt->lqc_proc_dir);
 651 out:
 652         RETURN(rc);
 653 }
 654
 655 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 656 {
 657         if (!qctxt || !qctxt->lqc_proc_dir)
 658                 return -EINVAL;
 659
 660         if (qctxt->lqc_stats != NULL)
 661                  lprocfs_free_stats(&qctxt->lqc_stats);
 662
 663         lprocfs_remove(&qctxt->lqc_proc_dir);
 664         return 0;
 665 }
 666
 667 #endif  /* LPROCFS */
 668 #endif