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;
 212         ENTRY;
 213
 214         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 215
 216         obt = &obd->u.obt;
 217
 218         OBD_ALLOC_PTR(oqctl);
 219         if (!oqctl)
 220                 RETURN(-ENOMEM);
 221
 222         if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
 223                 CDEBUG(D_INFO, "other people are doing quotacheck\n");
 224                 atomic_inc(&obt->obt_quotachecking);
 225                 RETURN(-EBUSY);
 226         }
 227
 228         id = UGQUOTA2LQC(type);
 229         /* quota already turned on */
 230         if ((obt->obt_qctxt.lqc_flags & id) == id) {
 231                 rc = 0;
 232                 goto out;
 233         }
 234         if (obt->obt_qctxt.lqc_immutable) {
 235                 LCONSOLE_ERROR("Failed to turn Quota on, immutable mode "
 236                                "(is SOM enabled?)\n");
 237                 goto out;
 238         }
 239
 240         oqctl->qc_type = type;
 241         oqctl->qc_cmd = Q_QUOTAON;
 242         oqctl->qc_id = obt->obt_qfmt;
 243
 244         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 245         if (is_master) {
 246                 struct mds_obd *mds = &obd->u.mds;
 247
 248                 down(&mds->mds_qonoff_sem);
 249                 /* turn on cluster wide quota */
 250                 rc = mds_admin_quota_on(obd, oqctl);
 251                 if (rc)
 252                         CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 253                                "auto-enable admin quota failed. rc=%d\n", rc);
 254                 up(&mds->mds_qonoff_sem);
 255
 256         }
 257         if (!rc) {
 258                 /* turn on local quota */
 259                 rc = fsfilt_quotactl(obd, sb, oqctl);
 260                 if (rc)
 261                         CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 262                                "auto-enable local quota failed. rc=%d\n", rc);
 263                 else
 264                         obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
 265         }
 266
 267         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 268
 269 out:
 270         atomic_inc(&obt->obt_quotachecking);
 271
 272         OBD_FREE_PTR(oqctl);
 273         RETURN(rc);
 274 }
 275
 276 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 277                           unsigned long count, void *data)
 278 {
 279         struct obd_device *obd = (struct obd_device *)data;
 280         struct obd_device_target *obt;
 281         int type = 0, is_mds;
 282         unsigned long i;
 283         char stype[MAX_STYPE_SIZE + 1] = "";
 284
 285         LASSERT(obd != NULL);
 286
 287         obt = &obd->u.obt;
 288
 289         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 290
 291         if (count > MAX_STYPE_SIZE)
 292                 return -EINVAL;
 293
 294         if (copy_from_user(stype, buffer, count))
 295                 return -EFAULT;
 296
 297         for (i = 0 ; i < count ; i++) {
 298                 switch (stype[i]) {
 299                 case 'u' :
 300                         type |= USER_QUOTA;
 301                         break;
 302                 case 'g' :
 303                         type |= GROUP_QUOTA;
 304                         break;
 305                 case '1' :
 306                 case '2' :
 307                         CWARN("quota_type options 1 and 2 are obsolete, "
 308                               "they will be ignored\n");
 309                         break;
 310                 case '3' : /* the only valid version spec, do nothing */
 311                 default  : /* just skip stray symbols like \n */
 312                         break;
 313                 }
 314         }
 315
 316         if (type != 0) {
 317                 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
 318                 build_lqs(obd);
 319         }
 320
 321         return count;
 322 }
 323 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 324
 325 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 326                                     int count, int *eof, void *data)
 327 {
 328         struct obd_device *obd = (struct obd_device *)data;
 329         LASSERT(obd != NULL);
 330
 331         return snprintf(page, count, "%d\n",
 332                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 333 }
 334 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 335
 336 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 337                                     unsigned long count, void *data)
 338 {
 339         struct obd_device *obd = (struct obd_device *)data;
 340         int val, rc;
 341         LASSERT(obd != NULL);
 342
 343         rc = lprocfs_write_helper(buffer, count, &val);
 344         if (rc)
 345                 return rc;
 346
 347         if (val <= 10)
 348                 return -EINVAL;
 349
 350         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 351         return count;
 352 }
 353 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 354
 355 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 356                               int count, int *eof, void *data)
 357 {
 358         struct obd_device *obd = (struct obd_device *)data;
 359         LASSERT(obd != NULL);
 360
 361         return snprintf(page, count, "%d\n",
 362                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 363 }
 364 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 365
 366 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 367                               unsigned long count, void *data)
 368 {
 369         struct obd_device *obd = (struct obd_device *)data;
 370         int val, rc;
 371         LASSERT(obd != NULL);
 372
 373         rc = lprocfs_write_helper(buffer, count, &val);
 374         if (rc)
 375                 return rc;
 376
 377         if (val < 0)
 378                 return -EINVAL;
 379
 380         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 381         return count;
 382 }
 383 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 384
 385 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 386                                int count, int *eof, void *data)
 387 {
 388         struct obd_device *obd = (struct obd_device *)data;
 389         LASSERT(obd != NULL);
 390
 391         return snprintf(page, count, "changing qunit size is %s\n",
 392                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 393                         "enabled" : "disabled");
 394 }
 395 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 396
 397 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 398                                unsigned long count, void *data)
 399 {
 400         struct obd_device *obd = (struct obd_device *)data;
 401         int val, rc;
 402         LASSERT(obd != NULL);
 403
 404         rc = lprocfs_write_helper(buffer, count, &val);
 405         if (rc)
 406                 return rc;
 407
 408         if (val)
 409             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 410         else
 411             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 412
 413         return count;
 414 }
 415 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 416
 417 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 418                                      int count, int *eof, void *data)
 419 {
 420         struct obd_device *obd = (struct obd_device *)data;
 421         LASSERT(obd != NULL);
 422
 423
 424         return snprintf(page, count, "%lu\n",
 425                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 426 }
 427 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 428
 429 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 430                                      unsigned long count, void *data)
 431 {
 432         struct obd_device *obd = (struct obd_device *)data;
 433         int val, rc;
 434         LASSERT(obd != NULL);
 435
 436         rc = lprocfs_write_helper(buffer, count, &val);
 437         if (rc)
 438                 return rc;
 439
 440         if (val < 2)
 441                 return -EINVAL;
 442
 443         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 444         return count;
 445 }
 446 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 447
 448 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 449                                  int count, int *eof, void *data)
 450 {
 451         struct obd_device *obd = (struct obd_device *)data;
 452         LASSERT(obd != NULL);
 453
 454
 455         return snprintf(page, count, "%lu\n",
 456                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 457 }
 458 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 459
 460 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 461                                  unsigned long count, void *data)
 462 {
 463         struct obd_device *obd = (struct obd_device *)data;
 464         int val, rc;
 465         LASSERT(obd != NULL);
 466
 467         rc = lprocfs_write_helper(buffer, count, &val);
 468         if (rc)
 469                 return rc;
 470
 471         if (val < PTLRPC_MAX_BRW_SIZE ||
 472             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 473                 return -EINVAL;
 474
 475         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 476         return count;
 477 }
 478 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 479
 480 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 481                                  int count, int *eof, void *data)
 482 {
 483         struct obd_device *obd = (struct obd_device *)data;
 484         LASSERT(obd != NULL);
 485
 486
 487         return snprintf(page, count, "%lu\n",
 488                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 489 }
 490 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 491
 492 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 493                                  unsigned long count, void *data)
 494 {
 495         struct obd_device *obd = (struct obd_device *)data;
 496         int val, rc;
 497         LASSERT(obd != NULL);
 498
 499         rc = lprocfs_write_helper(buffer, count, &val);
 500         if (rc)
 501                 return rc;
 502
 503         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 504                 return -EINVAL;
 505
 506         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 507         return count;
 508 }
 509 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 510
 511 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 512                                int count, int *eof, void *data)
 513 {
 514         struct obd_device *obd = (struct obd_device *)data;
 515         LASSERT(obd != NULL);
 516
 517
 518         return snprintf(page, count, "%lu\n",
 519                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 520 }
 521 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 522
 523 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 524                                unsigned long count, void *data)
 525 {
 526         struct obd_device *obd = (struct obd_device *)data;
 527         int val, rc;
 528         LASSERT(obd != NULL);
 529
 530         rc = lprocfs_write_helper(buffer, count, &val);
 531         if (rc)
 532                 return rc;
 533
 534         if (val < 2)
 535                 return -EINVAL;
 536
 537         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 538         return count;
 539 }
 540 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 541
 542 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 543         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 544                             lprocfs_quota_wr_bunit, 0},
 545         { "quota_btune_sz", lprocfs_quota_rd_btune,
 546                             lprocfs_quota_wr_btune, 0},
 547         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 548                             lprocfs_quota_wr_iunit, 0},
 549         { "quota_itune_sz", lprocfs_quota_rd_itune,
 550                             lprocfs_quota_wr_itune, 0},
 551         { "quota_type",     lprocfs_quota_rd_type,
 552                             lprocfs_quota_wr_type, 0},
 553         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 554                                    lprocfs_quota_wr_switch_seconds, 0 },
 555         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 556                             lprocfs_quota_wr_sync_blk, 0},
 557         { NULL }
 558 };
 559
 560 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 561         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 562                              lprocfs_quota_wr_switch_qs, 0 },
 563         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 564                                    lprocfs_quota_wr_boundary_factor, 0 },
 565         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 566                                lprocfs_quota_wr_least_bunit, 0 },
 567         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 568                                lprocfs_quota_wr_least_iunit, 0 },
 569         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 570                                lprocfs_quota_wr_qs_factor, 0 },
 571         { NULL }
 572 };
 573
 574 int lquota_proc_setup(struct obd_device *obd, int is_master)
 575 {
 576         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 577         int rc = 0;
 578         ENTRY;
 579
 580         LASSERT(lquota_type_proc_dir && obd);
 581         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 582                                                lquota_type_proc_dir,
 583                                                lprocfs_quota_common_vars, obd);
 584         if (IS_ERR(qctxt->lqc_proc_dir)) {
 585                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 586                 CERROR("error %d setting up lprocfs for %s\n", rc,
 587                        obd->obd_name);
 588                 qctxt->lqc_proc_dir = NULL;
 589                 GOTO(out, rc);
 590         }
 591
 592         if (is_master) {
 593                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 594                                       lprocfs_quota_master_vars, obd);
 595                 if (rc) {
 596                         CERROR("error %d setting up lprocfs for %s"
 597                                "(quota master)\n", rc, obd->obd_name);
 598                         GOTO(out_free_proc, rc);
 599                 }
 600         }
 601
 602         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 603                                                LQUOTA_FIRST_STAT, 0);
 604         if (!qctxt->lqc_stats)
 605                 GOTO(out_free_proc, rc = -ENOMEM);
 606
 607         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 608                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 609         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 610                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 611         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 612                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 613         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 614                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 615
 616         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 617                              LPROCFS_CNTR_AVGMINMAX,
 618                              "wait_for_blk_quota(lquota_chkquota)", "us");
 619         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 620                              LPROCFS_CNTR_AVGMINMAX,
 621                              "wait_for_ino_quota(lquota_chkquota)", "us");
 622         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 623                              LPROCFS_CNTR_AVGMINMAX,
 624                              "wait_for_blk_quota(lquota_pending_commit)",
 625                              "us");
 626         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 627                              LPROCFS_CNTR_AVGMINMAX,
 628                              "wait_for_ino_quota(lquota_pending_commit)",
 629                              "us");
 630
 631         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 632                              LPROCFS_CNTR_AVGMINMAX,
 633                              "wait_for_pending_blk_quota_req"
 634                              "(qctxt_wait_pending_dqacq)", "us");
 635         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 636                              LPROCFS_CNTR_AVGMINMAX,
 637                              "wait_for_pending_ino_quota_req"
 638                              "(qctxt_wait_pending_dqacq)", "us");
 639         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 640                              LPROCFS_CNTR_AVGMINMAX,
 641                              "nowait_for_pending_blk_quota_req"
 642                              "(qctxt_wait_pending_dqacq)", "us");
 643         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 644                              LPROCFS_CNTR_AVGMINMAX,
 645                              "nowait_for_pending_ino_quota_req"
 646                              "(qctxt_wait_pending_dqacq)", "us");
 647
 648         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 649                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 650         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 651                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 652
 653         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 654
 655         RETURN(rc);
 656
 657 out_free_proc:
 658         lprocfs_remove(&qctxt->lqc_proc_dir);
 659 out:
 660         RETURN(rc);
 661 }
 662
 663 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 664 {
 665         if (!qctxt || !qctxt->lqc_proc_dir)
 666                 return -EINVAL;
 667
 668         if (qctxt->lqc_stats != NULL)
 669                  lprocfs_free_stats(&qctxt->lqc_stats);
 670
 671         lprocfs_remove(&qctxt->lqc_proc_dir);
 672         return 0;
 673 }
 674
 675 #endif  /* LPROCFS */
 676 #endif