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, rc1 = 0, id;
 211         struct obd_device_target *obt = &obd->u.obt;
 212         struct lustre_quota_ctxt *qctxt = &obt->obt_qctxt;
 213         struct mds_obd *mds = NULL;
 214         ENTRY;
 215
 216         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 217
 218         OBD_ALLOC_PTR(oqctl);
 219         if (!oqctl)
 220                 RETURN(-ENOMEM);
 221
 222         down(&obt->obt_quotachecking);
 223         id = UGQUOTA2LQC(type);
 224         /* quota already turned on */
 225         if ((obt->obt_qctxt.lqc_flags & id) == id)
 226                 GOTO(out, rc);
 227
 228         if (obt->obt_qctxt.lqc_immutable) {
 229                 LCONSOLE_ERROR("Failed to turn Quota on, immutable mode "
 230                                "(is SOM enabled?)\n");
 231                 GOTO(out, rc = -ECANCELED);
 232         }
 233
 234         oqctl->qc_type = type;
 235         oqctl->qc_cmd = Q_QUOTAON;
 236         oqctl->qc_id = obt->obt_qfmt;
 237
 238         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 239
 240         if (is_master) {
 241                 mds = &obd->u.mds;
 242                 down(&mds->mds_qonoff_sem);
 243                 /* turn on cluster wide quota */
 244                 rc1 = mds_admin_quota_on(obd, oqctl);
 245                 if (rc1 && rc1 != -EALREADY) {
 246                         CDEBUG(rc1 == -ENOENT ? D_QUOTA : D_ERROR,
 247                                "auto-enable admin quota failed. rc=%d\n", rc1);
 248                         GOTO(out_ctxt, rc1);
 249                 }
 250         }
 251
 252         /* turn on local quota */
 253         rc = fsfilt_quotactl(obd, sb, oqctl);
 254         if (!rc) {
 255                 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
 256                 build_lqs(obd);
 257         } else if (rc == -EBUSY && quota_is_on(qctxt, oqctl)) {
 258                 CWARN("%s: mds local quota[%d] is on already\n",
 259                       obd->obd_name, oqctl->qc_type);
 260                 rc = -EALREADY;
 261         } else {
 262                 CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 263                        "auto-enable local quota failed. rc=%d\n", rc);
 264                 if (rc1 == -EALREADY) {
 265                         oqctl->qc_cmd = Q_QUOTAOFF;
 266                         mds_admin_quota_off(obd, oqctl);
 267                 }
 268                 if (rc == -ENOENT)
 269                         CWARN("%s: quotaon failed because quota files don't "
 270                               "exist, please run quotacheck firstly\n",
 271                               obd->obd_name);
 272
 273                 GOTO(out_ctxt, rc);
 274         }
 275
 276         EXIT;
 277
 278 out_ctxt:
 279         if (mds != NULL)
 280                 up(&mds->mds_qonoff_sem);
 281         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 282
 283 out:
 284         up(&obt->obt_quotachecking);
 285         OBD_FREE_PTR(oqctl);
 286         return rc;
 287 }
 288
 289 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 290                           unsigned long count, void *data)
 291 {
 292         struct obd_device *obd = (struct obd_device *)data;
 293         struct obd_device_target *obt;
 294         int type = 0, is_mds;
 295         unsigned long i;
 296         char stype[MAX_STYPE_SIZE + 1] = "";
 297
 298         LASSERT(obd != NULL);
 299
 300         obt = &obd->u.obt;
 301
 302         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 303
 304         if (count > MAX_STYPE_SIZE)
 305                 return -EINVAL;
 306
 307         if (copy_from_user(stype, buffer, count))
 308                 return -EFAULT;
 309
 310         for (i = 0 ; i < count ; i++) {
 311                 switch (stype[i]) {
 312                 case 'u' :
 313                         type |= USER_QUOTA;
 314                         break;
 315                 case 'g' :
 316                         type |= GROUP_QUOTA;
 317                         break;
 318                 case '1' :
 319                 case '2' :
 320                         CWARN("quota_type options 1 and 2 are obsolete, "
 321                               "they will be ignored\n");
 322                         break;
 323                 case '3' : /* the only valid version spec, do nothing */
 324                 default  : /* just skip stray symbols like \n */
 325                         break;
 326                 }
 327         }
 328
 329         if (type != 0) {
 330                 int rc = auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
 331
 332                 if (rc && rc != -EALREADY && rc != -ENOENT)
 333                         return rc;
 334         }
 335
 336         return count;
 337 }
 338 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 339
 340 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 341                                     int count, int *eof, void *data)
 342 {
 343         struct obd_device *obd = (struct obd_device *)data;
 344         LASSERT(obd != NULL);
 345
 346         return snprintf(page, count, "%d\n",
 347                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 348 }
 349 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 350
 351 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 352                                     unsigned long count, void *data)
 353 {
 354         struct obd_device *obd = (struct obd_device *)data;
 355         int val, rc;
 356         LASSERT(obd != NULL);
 357
 358         rc = lprocfs_write_helper(buffer, count, &val);
 359         if (rc)
 360                 return rc;
 361
 362         if (val <= 10)
 363                 return -EINVAL;
 364
 365         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 366         return count;
 367 }
 368 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 369
 370 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 371                               int count, int *eof, void *data)
 372 {
 373         struct obd_device *obd = (struct obd_device *)data;
 374         LASSERT(obd != NULL);
 375
 376         return snprintf(page, count, "%d\n",
 377                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 378 }
 379 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 380
 381 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 382                               unsigned long count, void *data)
 383 {
 384         struct obd_device *obd = (struct obd_device *)data;
 385         int val, rc;
 386         LASSERT(obd != NULL);
 387
 388         rc = lprocfs_write_helper(buffer, count, &val);
 389         if (rc)
 390                 return rc;
 391
 392         if (val < 0)
 393                 return -EINVAL;
 394
 395         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 396         return count;
 397 }
 398 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 399
 400 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 401                                int count, int *eof, void *data)
 402 {
 403         struct obd_device *obd = (struct obd_device *)data;
 404         LASSERT(obd != NULL);
 405
 406         return snprintf(page, count, "changing qunit size is %s\n",
 407                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 408                         "enabled" : "disabled");
 409 }
 410 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 411
 412 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 413                                unsigned long count, void *data)
 414 {
 415         struct obd_device *obd = (struct obd_device *)data;
 416         int val, rc;
 417         LASSERT(obd != NULL);
 418
 419         rc = lprocfs_write_helper(buffer, count, &val);
 420         if (rc)
 421                 return rc;
 422
 423         if (val)
 424             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 425         else
 426             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 427
 428         return count;
 429 }
 430 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 431
 432 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 433                                      int count, int *eof, void *data)
 434 {
 435         struct obd_device *obd = (struct obd_device *)data;
 436         LASSERT(obd != NULL);
 437
 438
 439         return snprintf(page, count, "%lu\n",
 440                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 441 }
 442 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 443
 444 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 445                                      unsigned long count, void *data)
 446 {
 447         struct obd_device *obd = (struct obd_device *)data;
 448         int val, rc;
 449         LASSERT(obd != NULL);
 450
 451         rc = lprocfs_write_helper(buffer, count, &val);
 452         if (rc)
 453                 return rc;
 454
 455         if (val < 2)
 456                 return -EINVAL;
 457
 458         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 459         return count;
 460 }
 461 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 462
 463 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 464                                  int count, int *eof, void *data)
 465 {
 466         struct obd_device *obd = (struct obd_device *)data;
 467         LASSERT(obd != NULL);
 468
 469
 470         return snprintf(page, count, "%lu\n",
 471                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 472 }
 473 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 474
 475 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 476                                  unsigned long count, void *data)
 477 {
 478         struct obd_device *obd = (struct obd_device *)data;
 479         int val, rc;
 480         LASSERT(obd != NULL);
 481
 482         rc = lprocfs_write_helper(buffer, count, &val);
 483         if (rc)
 484                 return rc;
 485
 486         if (val < PTLRPC_MAX_BRW_SIZE ||
 487             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 488                 return -EINVAL;
 489
 490         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 491         return count;
 492 }
 493 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 494
 495 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 496                                  int count, int *eof, void *data)
 497 {
 498         struct obd_device *obd = (struct obd_device *)data;
 499         LASSERT(obd != NULL);
 500
 501
 502         return snprintf(page, count, "%lu\n",
 503                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 504 }
 505 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 506
 507 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 508                                  unsigned long count, void *data)
 509 {
 510         struct obd_device *obd = (struct obd_device *)data;
 511         int val, rc;
 512         LASSERT(obd != NULL);
 513
 514         rc = lprocfs_write_helper(buffer, count, &val);
 515         if (rc)
 516                 return rc;
 517
 518         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 519                 return -EINVAL;
 520
 521         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 522         return count;
 523 }
 524 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 525
 526 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 527                                int count, int *eof, void *data)
 528 {
 529         struct obd_device *obd = (struct obd_device *)data;
 530         LASSERT(obd != NULL);
 531
 532
 533         return snprintf(page, count, "%lu\n",
 534                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 535 }
 536 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 537
 538 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 539                                unsigned long count, void *data)
 540 {
 541         struct obd_device *obd = (struct obd_device *)data;
 542         int val, rc;
 543         LASSERT(obd != NULL);
 544
 545         rc = lprocfs_write_helper(buffer, count, &val);
 546         if (rc)
 547                 return rc;
 548
 549         if (val < 2)
 550                 return -EINVAL;
 551
 552         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 553         return count;
 554 }
 555 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 556
 557 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 558         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 559                             lprocfs_quota_wr_bunit, 0},
 560         { "quota_btune_sz", lprocfs_quota_rd_btune,
 561                             lprocfs_quota_wr_btune, 0},
 562         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 563                             lprocfs_quota_wr_iunit, 0},
 564         { "quota_itune_sz", lprocfs_quota_rd_itune,
 565                             lprocfs_quota_wr_itune, 0},
 566         { "quota_type",     lprocfs_quota_rd_type,
 567                             lprocfs_quota_wr_type, 0},
 568         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 569                                    lprocfs_quota_wr_switch_seconds, 0 },
 570         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 571                             lprocfs_quota_wr_sync_blk, 0},
 572         { NULL }
 573 };
 574
 575 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 576         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 577                              lprocfs_quota_wr_switch_qs, 0 },
 578         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 579                                    lprocfs_quota_wr_boundary_factor, 0 },
 580         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 581                                lprocfs_quota_wr_least_bunit, 0 },
 582         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 583                                lprocfs_quota_wr_least_iunit, 0 },
 584         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 585                                lprocfs_quota_wr_qs_factor, 0 },
 586         { NULL }
 587 };
 588
 589 int lquota_proc_setup(struct obd_device *obd, int is_master)
 590 {
 591         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 592         int rc = 0;
 593         ENTRY;
 594
 595         LASSERT(lquota_type_proc_dir && obd);
 596         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 597                                                lquota_type_proc_dir,
 598                                                lprocfs_quota_common_vars, obd);
 599         if (IS_ERR(qctxt->lqc_proc_dir)) {
 600                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 601                 CERROR("error %d setting up lprocfs for %s\n", rc,
 602                        obd->obd_name);
 603                 qctxt->lqc_proc_dir = NULL;
 604                 GOTO(out, rc);
 605         }
 606
 607         if (is_master) {
 608                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 609                                       lprocfs_quota_master_vars, obd);
 610                 if (rc) {
 611                         CERROR("error %d setting up lprocfs for %s"
 612                                "(quota master)\n", rc, obd->obd_name);
 613                         GOTO(out_free_proc, rc);
 614                 }
 615         }
 616
 617         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 618                                                LQUOTA_FIRST_STAT, 0);
 619         if (!qctxt->lqc_stats)
 620                 GOTO(out_free_proc, rc = -ENOMEM);
 621
 622         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 623                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 624         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 625                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 626         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 627                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 628         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 629                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 630
 631         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 632                              LPROCFS_CNTR_AVGMINMAX,
 633                              "wait_for_blk_quota(lquota_chkquota)", "us");
 634         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 635                              LPROCFS_CNTR_AVGMINMAX,
 636                              "wait_for_ino_quota(lquota_chkquota)", "us");
 637         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 638                              LPROCFS_CNTR_AVGMINMAX,
 639                              "wait_for_blk_quota(lquota_pending_commit)",
 640                              "us");
 641         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 642                              LPROCFS_CNTR_AVGMINMAX,
 643                              "wait_for_ino_quota(lquota_pending_commit)",
 644                              "us");
 645
 646         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 647                              LPROCFS_CNTR_AVGMINMAX,
 648                              "wait_for_pending_blk_quota_req"
 649                              "(qctxt_wait_pending_dqacq)", "us");
 650         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 651                              LPROCFS_CNTR_AVGMINMAX,
 652                              "wait_for_pending_ino_quota_req"
 653                              "(qctxt_wait_pending_dqacq)", "us");
 654         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 655                              LPROCFS_CNTR_AVGMINMAX,
 656                              "nowait_for_pending_blk_quota_req"
 657                              "(qctxt_wait_pending_dqacq)", "us");
 658         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 659                              LPROCFS_CNTR_AVGMINMAX,
 660                              "nowait_for_pending_ino_quota_req"
 661                              "(qctxt_wait_pending_dqacq)", "us");
 662
 663         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 664                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 665         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 666                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 667
 668         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 669
 670         RETURN(rc);
 671
 672 out_free_proc:
 673         lprocfs_remove(&qctxt->lqc_proc_dir);
 674 out:
 675         RETURN(rc);
 676 }
 677
 678 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 679 {
 680         if (!qctxt || !qctxt->lqc_proc_dir)
 681                 return -EINVAL;
 682
 683         if (qctxt->lqc_stats != NULL)
 684                  lprocfs_free_stats(&qctxt->lqc_stats);
 685
 686         lprocfs_remove(&qctxt->lqc_proc_dir);
 687         return 0;
 688 }
 689
 690 #endif  /* LPROCFS */
 691 #endif