lustre/quota/lproc_quota.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2011, Whamcloud, Inc.
  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 LPROCFS
  48 int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
  49                            int *eof, void *data)
  50 {
  51         struct obd_device *obd = (struct obd_device *)data;
  52         LASSERT(obd != NULL);
  53
  54         return snprintf(page, count, "%lu\n",
  55                         obd->u.obt.obt_qctxt.lqc_bunit_sz);
  56 }
  57 EXPORT_SYMBOL(lprocfs_quota_rd_bunit);
  58
  59 int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
  60                            unsigned long count, void *data)
  61 {
  62         struct obd_device *obd = (struct obd_device *)data;
  63         int val, rc;
  64         LASSERT(obd != NULL);
  65
  66         rc = lprocfs_write_helper(buffer, count, &val);
  67         if (rc)
  68                 return rc;
  69
  70         if (val % QUOTABLOCK_SIZE ||
  71             val <= obd->u.obt.obt_qctxt.lqc_btune_sz)
  72                 return -EINVAL;
  73
  74         obd->u.obt.obt_qctxt.lqc_bunit_sz = val;
  75         return count;
  76 }
  77 EXPORT_SYMBOL(lprocfs_quota_wr_bunit);
  78
  79 int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
  80                            int *eof, void *data)
  81 {
  82         struct obd_device *obd = (struct obd_device *)data;
  83         LASSERT(obd != NULL);
  84
  85         return snprintf(page, count, "%lu\n",
  86                         obd->u.obt.obt_qctxt.lqc_btune_sz);
  87 }
  88 EXPORT_SYMBOL(lprocfs_quota_rd_btune);
  89
  90 int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
  91                            unsigned long count, void *data)
  92 {
  93         struct obd_device *obd = (struct obd_device *)data;
  94         int val, rc;
  95         LASSERT(obd != NULL);
  96
  97         rc = lprocfs_write_helper(buffer, count, &val);
  98         if (rc)
  99                 return rc;
 100
 101         if (val <= QUOTABLOCK_SIZE * MIN_QLIMIT || val % QUOTABLOCK_SIZE ||
 102             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 103                 return -EINVAL;
 104
 105         obd->u.obt.obt_qctxt.lqc_btune_sz = val;
 106         return count;
 107 }
 108 EXPORT_SYMBOL(lprocfs_quota_wr_btune);
 109
 110 int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
 111                            int *eof, void *data)
 112 {
 113         struct obd_device *obd = (struct obd_device *)data;
 114         LASSERT(obd != NULL);
 115
 116         return snprintf(page, count, "%lu\n",
 117                         obd->u.obt.obt_qctxt.lqc_iunit_sz);
 118 }
 119 EXPORT_SYMBOL(lprocfs_quota_rd_iunit);
 120
 121 int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
 122                            unsigned long count, void *data)
 123 {
 124         struct obd_device *obd = (struct obd_device *)data;
 125         int val, rc;
 126         LASSERT(obd != NULL);
 127
 128         rc = lprocfs_write_helper(buffer, count, &val);
 129         if (rc)
 130                 return rc;
 131
 132         if (val <= obd->u.obt.obt_qctxt.lqc_itune_sz)
 133                 return -EINVAL;
 134
 135         obd->u.obt.obt_qctxt.lqc_iunit_sz = val;
 136         return count;
 137 }
 138 EXPORT_SYMBOL(lprocfs_quota_wr_iunit);
 139
 140 int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
 141                            int *eof, void *data)
 142 {
 143         struct obd_device *obd = (struct obd_device *)data;
 144         LASSERT(obd != NULL);
 145
 146         return snprintf(page, count, "%lu\n",
 147                         obd->u.obt.obt_qctxt.lqc_itune_sz);
 148 }
 149 EXPORT_SYMBOL(lprocfs_quota_rd_itune);
 150
 151 int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
 152                            unsigned long count, void *data)
 153 {
 154         struct obd_device *obd = (struct obd_device *)data;
 155         int val, rc;
 156         LASSERT(obd != NULL);
 157
 158         rc = lprocfs_write_helper(buffer, count, &val);
 159         if (rc)
 160                 return rc;
 161
 162         if (val <= MIN_QLIMIT ||
 163             val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 164                 return -EINVAL;
 165
 166         obd->u.obt.obt_qctxt.lqc_itune_sz = val;
 167         return count;
 168 }
 169 EXPORT_SYMBOL(lprocfs_quota_wr_itune);
 170
 171 #define USER_QUOTA      1
 172 #define GROUP_QUOTA     2
 173
 174 #define MAX_STYPE_SIZE  5
 175
 176 int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
 177                           int *eof, void *data)
 178 {
 179         struct obd_device *obd = (struct obd_device *)data;
 180         char stype[MAX_STYPE_SIZE + 1] = "";
 181         int oq_type;
 182
 183         LASSERT(obd != NULL);
 184
 185         /* Collect the needed information */
 186         oq_type = obd->u.obt.obt_qctxt.lqc_flags;
 187
 188         /* Transform the collected data into a user-readable string */
 189         if (oq_type & LQC_USRQUOTA_FLAG)
 190                 strcat(stype, "u");
 191         if (oq_type & LQC_GRPQUOTA_FLAG)
 192                 strcat(stype, "g");
 193
 194         strcat(stype, "3");
 195
 196         return snprintf(page, count, "%s\n", stype);
 197 }
 198 EXPORT_SYMBOL(lprocfs_quota_rd_type);
 199
 200 /*
 201  * generic_quota_on is very lazy and tolerant about current quota settings
 202  * @global means to turn on quotas on each OST additionally to local quotas;
 203  * should not be called from filter_quota_ctl on MDS nodes (as it starts
 204  * admin quotas on MDS nodes).
 205  */
 206 int generic_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl, int global)
 207 {
 208         struct obd_device_target *obt = &obd->u.obt;
 209         struct lvfs_run_ctxt saved;
 210         int id, is_master, rc = 0, local; /* means we need a local quotaon */
 211
 212         cfs_down(&obt->obt_quotachecking);
 213         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 214         id = UGQUOTA2LQC(oqctl->qc_type);
 215         local = (obt->obt_qctxt.lqc_flags & id) != id;
 216
 217         oqctl->qc_cmd = Q_QUOTAON;
 218         oqctl->qc_id = obt->obt_qfmt;
 219
 220         is_master = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 221         if (is_master) {
 222                 cfs_down_write(&obd->u.mds.mds_qonoff_sem);
 223                 if (local) {
 224                         /* turn on cluster wide quota */
 225                         rc = mds_admin_quota_on(obd, oqctl);
 226                         if (rc && rc != -ENOENT)
 227                                 CERROR("%s: %s admin quotaon failed. rc=%d\n",
 228                                        obd->obd_name, global ? "global":"local",
 229                                        rc);
 230                 }
 231         }
 232
 233         if (rc == 0) {
 234                 if (local) {
 235                         rc = fsfilt_quotactl(obd, obt->obt_sb, oqctl);
 236                         if (rc) {
 237                                 if (rc != -ENOENT)
 238                                         CERROR("%s: %s quotaon failed with"
 239                                                " rc=%d\n", obd->obd_name,
 240                                                global ? "global" : "local", rc);
 241                         } else {
 242                                 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
 243                                 build_lqs(obd);
 244                         }
 245                 }
 246
 247                 if (rc == 0 && global && is_master)
 248                         rc = obd_quotactl(obd->u.mds.mds_lov_exp, oqctl);
 249         }
 250
 251         if (is_master)
 252                 cfs_up_write(&obd->u.mds.mds_qonoff_sem);
 253
 254         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 255         cfs_up(&obt->obt_quotachecking);
 256
 257         CDEBUG(D_QUOTA, "%s: quotaon type:master:global:local:flags:rc "
 258                "%u:%d:%d:%d:%lu:%d\n",
 259                obd->obd_name, oqctl->qc_type, is_master, global, local,
 260                obt->obt_qctxt.lqc_flags, rc);
 261
 262         return rc;
 263 }
 264
 265 static int auto_quota_on(struct obd_device *obd, int type)
 266 {
 267         struct obd_quotactl *oqctl;
 268         int rc;
 269         ENTRY;
 270
 271         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 272
 273         OBD_ALLOC_PTR(oqctl);
 274         if (!oqctl)
 275                 RETURN(-ENOMEM);
 276
 277         oqctl->qc_type = type;
 278
 279         rc = generic_quota_on(obd, oqctl, 0);
 280
 281         OBD_FREE_PTR(oqctl);
 282         RETURN(rc);
 283 }
 284
 285 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 286                           unsigned long count, void *data)
 287 {
 288         struct obd_device *obd = (struct obd_device *)data;
 289         int type = 0;
 290         unsigned long i;
 291         char stype[MAX_STYPE_SIZE + 1] = "";
 292
 293         LASSERT(obd != NULL);
 294
 295         if (count > MAX_STYPE_SIZE)
 296                 return -EINVAL;
 297
 298         if (cfs_copy_from_user(stype, buffer, count))
 299                 return -EFAULT;
 300
 301         for (i = 0 ; i < count ; i++) {
 302                 switch (stype[i]) {
 303                 case 'u' :
 304                         type |= USER_QUOTA;
 305                         break;
 306                 case 'g' :
 307                         type |= GROUP_QUOTA;
 308                         break;
 309                 case '1' :
 310                 case '2' :
 311                         CWARN("quota_type options 1 and 2 are obsolete, "
 312                               "they will be ignored\n");
 313                         break;
 314                 case '3' : /* the only valid version spec, do nothing */
 315                 default  : /* just skip stray symbols like \n */
 316                         break;
 317                 }
 318         }
 319
 320         if (type != 0) {
 321                 int rc = auto_quota_on(obd, type - 1);
 322
 323                 if (rc && rc != -EALREADY && rc != -ENOENT)
 324                         return rc;
 325         }
 326
 327         return count;
 328 }
 329 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 330
 331 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 332                                     int count, int *eof, void *data)
 333 {
 334         struct obd_device *obd = (struct obd_device *)data;
 335         LASSERT(obd != NULL);
 336
 337         return snprintf(page, count, "%d\n",
 338                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 339 }
 340 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 341
 342 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 343                                     unsigned long count, void *data)
 344 {
 345         struct obd_device *obd = (struct obd_device *)data;
 346         int val, rc;
 347         LASSERT(obd != NULL);
 348
 349         rc = lprocfs_write_helper(buffer, count, &val);
 350         if (rc)
 351                 return rc;
 352
 353         if (val <= 10)
 354                 return -EINVAL;
 355
 356         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 357         return count;
 358 }
 359 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 360
 361 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 362                               int count, int *eof, void *data)
 363 {
 364         struct obd_device *obd = (struct obd_device *)data;
 365         LASSERT(obd != NULL);
 366
 367         return snprintf(page, count, "%d\n",
 368                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 369 }
 370 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 371
 372 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 373                               unsigned long count, void *data)
 374 {
 375         struct obd_device *obd = (struct obd_device *)data;
 376         int val, rc;
 377         LASSERT(obd != NULL);
 378
 379         rc = lprocfs_write_helper(buffer, count, &val);
 380         if (rc)
 381                 return rc;
 382
 383         if (val < 0)
 384                 return -EINVAL;
 385
 386         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 387         return count;
 388 }
 389 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 390
 391 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 392                                int count, int *eof, void *data)
 393 {
 394         struct obd_device *obd = (struct obd_device *)data;
 395         LASSERT(obd != NULL);
 396
 397         return snprintf(page, count, "changing qunit size is %s\n",
 398                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 399                         "enabled" : "disabled");
 400 }
 401 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 402
 403 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 404                                unsigned long count, void *data)
 405 {
 406         struct obd_device *obd = (struct obd_device *)data;
 407         int val, rc;
 408         LASSERT(obd != NULL);
 409
 410         rc = lprocfs_write_helper(buffer, count, &val);
 411         if (rc)
 412                 return rc;
 413
 414         if (val)
 415             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 416         else
 417             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 418
 419         return count;
 420 }
 421 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 422
 423 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 424                                      int count, int *eof, void *data)
 425 {
 426         struct obd_device *obd = (struct obd_device *)data;
 427         LASSERT(obd != NULL);
 428
 429
 430         return snprintf(page, count, "%lu\n",
 431                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 432 }
 433 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 434
 435 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 436                                      unsigned long count, void *data)
 437 {
 438         struct obd_device *obd = (struct obd_device *)data;
 439         int val, rc;
 440         LASSERT(obd != NULL);
 441
 442         rc = lprocfs_write_helper(buffer, count, &val);
 443         if (rc)
 444                 return rc;
 445
 446         if (val < 2)
 447                 return -EINVAL;
 448
 449         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 450         return count;
 451 }
 452 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 453
 454 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 455                                  int count, int *eof, void *data)
 456 {
 457         struct obd_device *obd = (struct obd_device *)data;
 458         LASSERT(obd != NULL);
 459
 460
 461         return snprintf(page, count, "%lu\n",
 462                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 463 }
 464 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 465
 466 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 467                                  unsigned long count, void *data)
 468 {
 469         struct obd_device *obd = (struct obd_device *)data;
 470         int val, rc;
 471         LASSERT(obd != NULL);
 472
 473         rc = lprocfs_write_helper(buffer, count, &val);
 474         if (rc)
 475                 return rc;
 476
 477         if (val < PTLRPC_MAX_BRW_SIZE ||
 478             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 479                 return -EINVAL;
 480
 481         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 482         return count;
 483 }
 484 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 485
 486 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 487                                  int count, int *eof, void *data)
 488 {
 489         struct obd_device *obd = (struct obd_device *)data;
 490         LASSERT(obd != NULL);
 491
 492
 493         return snprintf(page, count, "%lu\n",
 494                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 495 }
 496 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 497
 498 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 499                                  unsigned long count, void *data)
 500 {
 501         struct obd_device *obd = (struct obd_device *)data;
 502         int val, rc;
 503         LASSERT(obd != NULL);
 504
 505         rc = lprocfs_write_helper(buffer, count, &val);
 506         if (rc)
 507                 return rc;
 508
 509         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 510                 return -EINVAL;
 511
 512         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 513         return count;
 514 }
 515 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 516
 517 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 518                                int count, int *eof, void *data)
 519 {
 520         struct obd_device *obd = (struct obd_device *)data;
 521         LASSERT(obd != NULL);
 522
 523
 524         return snprintf(page, count, "%lu\n",
 525                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 526 }
 527 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 528
 529 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 530                                unsigned long count, void *data)
 531 {
 532         struct obd_device *obd = (struct obd_device *)data;
 533         int val, rc;
 534         LASSERT(obd != NULL);
 535
 536         rc = lprocfs_write_helper(buffer, count, &val);
 537         if (rc)
 538                 return rc;
 539
 540         if (val < 2)
 541                 return -EINVAL;
 542
 543         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 544         return count;
 545 }
 546 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 547
 548 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 549         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 550                             lprocfs_quota_wr_bunit, 0},
 551         { "quota_btune_sz", lprocfs_quota_rd_btune,
 552                             lprocfs_quota_wr_btune, 0},
 553         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 554                             lprocfs_quota_wr_iunit, 0},
 555         { "quota_itune_sz", lprocfs_quota_rd_itune,
 556                             lprocfs_quota_wr_itune, 0},
 557         { "quota_type",     lprocfs_quota_rd_type,
 558                             lprocfs_quota_wr_type, 0},
 559         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 560                                    lprocfs_quota_wr_switch_seconds, 0 },
 561         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 562                             lprocfs_quota_wr_sync_blk, 0},
 563         { NULL }
 564 };
 565
 566 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 567         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 568                              lprocfs_quota_wr_switch_qs, 0 },
 569         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 570                                    lprocfs_quota_wr_boundary_factor, 0 },
 571         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 572                                lprocfs_quota_wr_least_bunit, 0 },
 573         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 574                                lprocfs_quota_wr_least_iunit, 0 },
 575         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 576                                lprocfs_quota_wr_qs_factor, 0 },
 577         { NULL }
 578 };
 579
 580 int lquota_proc_setup(struct obd_device *obd, int is_master)
 581 {
 582         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 583         int rc = 0;
 584         ENTRY;
 585
 586         LASSERT(lquota_type_proc_dir && obd);
 587         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 588                                                lquota_type_proc_dir,
 589                                                lprocfs_quota_common_vars, obd);
 590         if (IS_ERR(qctxt->lqc_proc_dir)) {
 591                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 592                 CERROR("%s: error %d setting up lprocfs\n",
 593                        obd->obd_name, rc);
 594                 qctxt->lqc_proc_dir = NULL;
 595                 GOTO(out, rc);
 596         }
 597
 598         if (is_master) {
 599                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 600                                       lprocfs_quota_master_vars, obd);
 601                 if (rc) {
 602                         CERROR("%s: error %d setting up lprocfs for "
 603                                "quota master\n", obd->obd_name, rc);
 604                         GOTO(out_free_proc, rc);
 605                 }
 606         }
 607
 608         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 609                                                LQUOTA_FIRST_STAT, 0);
 610         if (!qctxt->lqc_stats)
 611                 GOTO(out_free_proc, rc = -ENOMEM);
 612
 613         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 614                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 615         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 616                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 617         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 618                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 619         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 620                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 621
 622         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 623                              LPROCFS_CNTR_AVGMINMAX,
 624                              "wait_for_blk_quota(lquota_chkquota)", "us");
 625         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 626                              LPROCFS_CNTR_AVGMINMAX,
 627                              "wait_for_ino_quota(lquota_chkquota)", "us");
 628         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 629                              LPROCFS_CNTR_AVGMINMAX,
 630                              "wait_for_blk_quota(lquota_pending_commit)",
 631                              "us");
 632         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 633                              LPROCFS_CNTR_AVGMINMAX,
 634                              "wait_for_ino_quota(lquota_pending_commit)",
 635                              "us");
 636
 637         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 638                              LPROCFS_CNTR_AVGMINMAX,
 639                              "wait_for_pending_blk_quota_req"
 640                              "(qctxt_wait_pending_dqacq)", "us");
 641         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 642                              LPROCFS_CNTR_AVGMINMAX,
 643                              "wait_for_pending_ino_quota_req"
 644                              "(qctxt_wait_pending_dqacq)", "us");
 645         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 646                              LPROCFS_CNTR_AVGMINMAX,
 647                              "nowait_for_pending_blk_quota_req"
 648                              "(qctxt_wait_pending_dqacq)", "us");
 649         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 650                              LPROCFS_CNTR_AVGMINMAX,
 651                              "nowait_for_pending_ino_quota_req"
 652                              "(qctxt_wait_pending_dqacq)", "us");
 653
 654         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 655                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 656         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 657                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 658
 659         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 660
 661         RETURN(rc);
 662
 663 out_free_proc:
 664         lprocfs_remove(&qctxt->lqc_proc_dir);
 665 out:
 666         RETURN(rc);
 667 }
 668
 669 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 670 {
 671         if (!qctxt || !qctxt->lqc_proc_dir)
 672                 return -EINVAL;
 673
 674         if (qctxt->lqc_stats != NULL)
 675                  lprocfs_free_stats(&qctxt->lqc_stats);
 676
 677         lprocfs_remove(&qctxt->lqc_proc_dir);
 678         return 0;
 679 }
 680
 681 #endif  /* LPROCFS */