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
 319         return count;
 320 }
 321 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 322
 323 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 324                                     int count, int *eof, void *data)
 325 {
 326         struct obd_device *obd = (struct obd_device *)data;
 327         LASSERT(obd != NULL);
 328
 329         return snprintf(page, count, "%d\n",
 330                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 331 }
 332 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 333
 334 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 335                                     unsigned long count, void *data)
 336 {
 337         struct obd_device *obd = (struct obd_device *)data;
 338         int val, rc;
 339         LASSERT(obd != NULL);
 340
 341         rc = lprocfs_write_helper(buffer, count, &val);
 342         if (rc)
 343                 return rc;
 344
 345         if (val <= 10)
 346                 return -EINVAL;
 347
 348         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 349         return count;
 350 }
 351 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 352
 353 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 354                               int count, int *eof, void *data)
 355 {
 356         struct obd_device *obd = (struct obd_device *)data;
 357         LASSERT(obd != NULL);
 358
 359         return snprintf(page, count, "%d\n",
 360                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 361 }
 362 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 363
 364 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 365                               unsigned long count, void *data)
 366 {
 367         struct obd_device *obd = (struct obd_device *)data;
 368         int val, rc;
 369         LASSERT(obd != NULL);
 370
 371         rc = lprocfs_write_helper(buffer, count, &val);
 372         if (rc)
 373                 return rc;
 374
 375         if (val < 0)
 376                 return -EINVAL;
 377
 378         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 379         return count;
 380 }
 381 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 382
 383 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 384                                int count, int *eof, void *data)
 385 {
 386         struct obd_device *obd = (struct obd_device *)data;
 387         LASSERT(obd != NULL);
 388
 389         return snprintf(page, count, "changing qunit size is %s\n",
 390                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 391                         "enabled" : "disabled");
 392 }
 393 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 394
 395 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 396                                unsigned long count, void *data)
 397 {
 398         struct obd_device *obd = (struct obd_device *)data;
 399         int val, rc;
 400         LASSERT(obd != NULL);
 401
 402         rc = lprocfs_write_helper(buffer, count, &val);
 403         if (rc)
 404                 return rc;
 405
 406         if (val)
 407             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 408         else
 409             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 410
 411         return count;
 412 }
 413 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 414
 415 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 416                                      int count, int *eof, void *data)
 417 {
 418         struct obd_device *obd = (struct obd_device *)data;
 419         LASSERT(obd != NULL);
 420
 421
 422         return snprintf(page, count, "%lu\n",
 423                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 424 }
 425 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 426
 427 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 428                                      unsigned long count, void *data)
 429 {
 430         struct obd_device *obd = (struct obd_device *)data;
 431         int val, rc;
 432         LASSERT(obd != NULL);
 433
 434         rc = lprocfs_write_helper(buffer, count, &val);
 435         if (rc)
 436                 return rc;
 437
 438         if (val < 2)
 439                 return -EINVAL;
 440
 441         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 442         return count;
 443 }
 444 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 445
 446 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 447                                  int count, int *eof, void *data)
 448 {
 449         struct obd_device *obd = (struct obd_device *)data;
 450         LASSERT(obd != NULL);
 451
 452
 453         return snprintf(page, count, "%lu\n",
 454                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 455 }
 456 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 457
 458 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 459                                  unsigned long count, void *data)
 460 {
 461         struct obd_device *obd = (struct obd_device *)data;
 462         int val, rc;
 463         LASSERT(obd != NULL);
 464
 465         rc = lprocfs_write_helper(buffer, count, &val);
 466         if (rc)
 467                 return rc;
 468
 469         if (val < PTLRPC_MAX_BRW_SIZE ||
 470             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 471                 return -EINVAL;
 472
 473         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 474         return count;
 475 }
 476 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 477
 478 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 479                                  int count, int *eof, void *data)
 480 {
 481         struct obd_device *obd = (struct obd_device *)data;
 482         LASSERT(obd != NULL);
 483
 484
 485         return snprintf(page, count, "%lu\n",
 486                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 487 }
 488 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 489
 490 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 491                                  unsigned long count, void *data)
 492 {
 493         struct obd_device *obd = (struct obd_device *)data;
 494         int val, rc;
 495         LASSERT(obd != NULL);
 496
 497         rc = lprocfs_write_helper(buffer, count, &val);
 498         if (rc)
 499                 return rc;
 500
 501         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 502                 return -EINVAL;
 503
 504         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 505         return count;
 506 }
 507 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 508
 509 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 510                                int count, int *eof, void *data)
 511 {
 512         struct obd_device *obd = (struct obd_device *)data;
 513         LASSERT(obd != NULL);
 514
 515
 516         return snprintf(page, count, "%lu\n",
 517                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 518 }
 519 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 520
 521 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 522                                unsigned long count, void *data)
 523 {
 524         struct obd_device *obd = (struct obd_device *)data;
 525         int val, rc;
 526         LASSERT(obd != NULL);
 527
 528         rc = lprocfs_write_helper(buffer, count, &val);
 529         if (rc)
 530                 return rc;
 531
 532         if (val < 2)
 533                 return -EINVAL;
 534
 535         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 536         return count;
 537 }
 538 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 539
 540 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 541         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 542                             lprocfs_quota_wr_bunit, 0},
 543         { "quota_btune_sz", lprocfs_quota_rd_btune,
 544                             lprocfs_quota_wr_btune, 0},
 545         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 546                             lprocfs_quota_wr_iunit, 0},
 547         { "quota_itune_sz", lprocfs_quota_rd_itune,
 548                             lprocfs_quota_wr_itune, 0},
 549         { "quota_type",     lprocfs_quota_rd_type,
 550                             lprocfs_quota_wr_type, 0},
 551         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 552                                    lprocfs_quota_wr_switch_seconds, 0 },
 553         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 554                             lprocfs_quota_wr_sync_blk, 0},
 555         { NULL }
 556 };
 557
 558 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 559         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 560                              lprocfs_quota_wr_switch_qs, 0 },
 561         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 562                                    lprocfs_quota_wr_boundary_factor, 0 },
 563         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 564                                lprocfs_quota_wr_least_bunit, 0 },
 565         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 566                                lprocfs_quota_wr_least_iunit, 0 },
 567         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 568                                lprocfs_quota_wr_qs_factor, 0 },
 569         { NULL }
 570 };
 571
 572 int lquota_proc_setup(struct obd_device *obd, int is_master)
 573 {
 574         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 575         int rc = 0;
 576         ENTRY;
 577
 578         LASSERT(lquota_type_proc_dir && obd);
 579         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 580                                                lquota_type_proc_dir,
 581                                                lprocfs_quota_common_vars, obd);
 582         if (IS_ERR(qctxt->lqc_proc_dir)) {
 583                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 584                 CERROR("error %d setting up lprocfs for %s\n", rc,
 585                        obd->obd_name);
 586                 qctxt->lqc_proc_dir = NULL;
 587                 GOTO(out, rc);
 588         }
 589
 590         if (is_master) {
 591                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 592                                       lprocfs_quota_master_vars, obd);
 593                 if (rc) {
 594                         CERROR("error %d setting up lprocfs for %s"
 595                                "(quota master)\n", rc, obd->obd_name);
 596                         GOTO(out_free_proc, rc);
 597                 }
 598         }
 599
 600         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 601                                                LQUOTA_FIRST_STAT, 0);
 602         if (!qctxt->lqc_stats)
 603                 GOTO(out_free_proc, rc = -ENOMEM);
 604
 605         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 606                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 607         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 608                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 609         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 610                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 611         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 612                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 613
 614         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 615                              LPROCFS_CNTR_AVGMINMAX,
 616                              "wait_for_blk_quota(lquota_chkquota)", "us");
 617         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 618                              LPROCFS_CNTR_AVGMINMAX,
 619                              "wait_for_ino_quota(lquota_chkquota)", "us");
 620         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 621                              LPROCFS_CNTR_AVGMINMAX,
 622                              "wait_for_blk_quota(lquota_pending_commit)",
 623                              "us");
 624         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 625                              LPROCFS_CNTR_AVGMINMAX,
 626                              "wait_for_ino_quota(lquota_pending_commit)",
 627                              "us");
 628
 629         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 630                              LPROCFS_CNTR_AVGMINMAX,
 631                              "wait_for_pending_blk_quota_req"
 632                              "(qctxt_wait_pending_dqacq)", "us");
 633         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 634                              LPROCFS_CNTR_AVGMINMAX,
 635                              "wait_for_pending_ino_quota_req"
 636                              "(qctxt_wait_pending_dqacq)", "us");
 637         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 638                              LPROCFS_CNTR_AVGMINMAX,
 639                              "nowait_for_pending_blk_quota_req"
 640                              "(qctxt_wait_pending_dqacq)", "us");
 641         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 642                              LPROCFS_CNTR_AVGMINMAX,
 643                              "nowait_for_pending_ino_quota_req"
 644                              "(qctxt_wait_pending_dqacq)", "us");
 645
 646         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 647                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 648         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 649                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 650
 651         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 652
 653         RETURN(rc);
 654
 655 out_free_proc:
 656         lprocfs_remove(&qctxt->lqc_proc_dir);
 657 out:
 658         RETURN(rc);
 659 }
 660
 661 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 662 {
 663         if (!qctxt || !qctxt->lqc_proc_dir)
 664                 return -EINVAL;
 665
 666         if (qctxt->lqc_stats != NULL)
 667                  lprocfs_free_stats(&qctxt->lqc_stats);
 668
 669         lprocfs_remove(&qctxt->lqc_proc_dir);
 670         return 0;
 671 }
 672
 673 #endif  /* LPROCFS */
 674 #endif