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