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 (c) 2008, 2010, Oracle and/or its affiliates. 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 /*
 206  * generic_quota_on is very lazy and tolerant about current quota settings
 207  * @global means to turn on quotas on each OST additionally to local quotas;
 208  * should not be called from filter_quota_ctl on MDS nodes (as it starts
 209  * admin quotas on MDS nodes).
 210  */
 211 int generic_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl, int global)
 212 {
 213         struct obd_device_target *obt = &obd->u.obt;
 214         struct lvfs_run_ctxt saved;
 215         int id, is_master, rc = 0, local; /* means we need a local quotaon */
 216
 217         cfs_down(&obt->obt_quotachecking);
 218         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 219         id = UGQUOTA2LQC(oqctl->qc_type);
 220         local = (obt->obt_qctxt.lqc_flags & id) != id;
 221
 222         oqctl->qc_cmd = Q_QUOTAON;
 223         oqctl->qc_id = obt->obt_qfmt;
 224
 225         is_master = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 226         if (is_master) {
 227                 cfs_down_write(&obd->u.mds.mds_qonoff_sem);
 228                 if (local) {
 229                         /* turn on cluster wide quota */
 230                         rc = mds_admin_quota_on(obd, oqctl);
 231                         if (rc && rc != -ENOENT)
 232                                 CERROR("%s: %s admin quotaon failed. rc=%d\n",
 233                                        obd->obd_name, global ? "global":"local",
 234                                        rc);
 235                 }
 236         }
 237
 238         if (rc == 0) {
 239                 if (local) {
 240                         rc = fsfilt_quotactl(obd, obt->obt_sb, oqctl);
 241                         if (rc) {
 242                                 if (rc != -ENOENT)
 243                                         CERROR("%s: %s quotaon failed with"
 244                                                " rc=%d\n", obd->obd_name,
 245                                                global ? "global" : "local", rc);
 246                         } else {
 247                                 obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(oqctl->qc_type);
 248                                 build_lqs(obd);
 249                         }
 250                 }
 251
 252                 if (rc == 0 && global && is_master)
 253                         rc = obd_quotactl(obd->u.mds.mds_lov_exp, oqctl);
 254         }
 255
 256         if (is_master)
 257                 cfs_up_write(&obd->u.mds.mds_qonoff_sem);
 258
 259         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 260         cfs_up(&obt->obt_quotachecking);
 261
 262         CDEBUG(D_QUOTA, "%s: quotaon type:master:global:local:flags:rc "
 263                "%u:%d:%d:%d:%lu:%d\n",
 264                obd->obd_name, oqctl->qc_type, is_master, global, local,
 265                obt->obt_qctxt.lqc_flags, rc);
 266
 267         return rc;
 268 }
 269
 270 static int auto_quota_on(struct obd_device *obd, int type)
 271 {
 272         struct obd_quotactl *oqctl;
 273         int rc;
 274         ENTRY;
 275
 276         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 277
 278         OBD_ALLOC_PTR(oqctl);
 279         if (!oqctl)
 280                 RETURN(-ENOMEM);
 281
 282         oqctl->qc_type = type;
 283
 284         rc = generic_quota_on(obd, oqctl, 0);
 285
 286         OBD_FREE_PTR(oqctl);
 287         RETURN(rc);
 288 }
 289
 290 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 291                           unsigned long count, void *data)
 292 {
 293         struct obd_device *obd = (struct obd_device *)data;
 294         struct obd_device_target *obt;
 295         int type = 0, is_mds;
 296         unsigned long i;
 297         char stype[MAX_STYPE_SIZE + 1] = "";
 298
 299         LASSERT(obd != NULL);
 300
 301         obt = &obd->u.obt;
 302
 303         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 304
 305         if (count > MAX_STYPE_SIZE)
 306                 return -EINVAL;
 307
 308         if (cfs_copy_from_user(stype, buffer, count))
 309                 return -EFAULT;
 310
 311         for (i = 0 ; i < count ; i++) {
 312                 switch (stype[i]) {
 313                 case 'u' :
 314                         type |= USER_QUOTA;
 315                         break;
 316                 case 'g' :
 317                         type |= GROUP_QUOTA;
 318                         break;
 319                 case '1' :
 320                 case '2' :
 321                         CWARN("quota_type options 1 and 2 are obsolete, "
 322                               "they will be ignored\n");
 323                         break;
 324                 case '3' : /* the only valid version spec, do nothing */
 325                 default  : /* just skip stray symbols like \n */
 326                         break;
 327                 }
 328         }
 329
 330         if (type != 0) {
 331                 int rc = auto_quota_on(obd, type - 1);
 332
 333                 if (rc && rc != -EALREADY && rc != -ENOENT)
 334                         return rc;
 335         }
 336
 337         return count;
 338 }
 339 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 340
 341 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 342                                     int count, int *eof, void *data)
 343 {
 344         struct obd_device *obd = (struct obd_device *)data;
 345         LASSERT(obd != NULL);
 346
 347         return snprintf(page, count, "%d\n",
 348                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 349 }
 350 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 351
 352 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 353                                     unsigned long count, void *data)
 354 {
 355         struct obd_device *obd = (struct obd_device *)data;
 356         int val, rc;
 357         LASSERT(obd != NULL);
 358
 359         rc = lprocfs_write_helper(buffer, count, &val);
 360         if (rc)
 361                 return rc;
 362
 363         if (val <= 10)
 364                 return -EINVAL;
 365
 366         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 367         return count;
 368 }
 369 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 370
 371 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 372                               int count, int *eof, void *data)
 373 {
 374         struct obd_device *obd = (struct obd_device *)data;
 375         LASSERT(obd != NULL);
 376
 377         return snprintf(page, count, "%d\n",
 378                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 379 }
 380 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 381
 382 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 383                               unsigned long count, void *data)
 384 {
 385         struct obd_device *obd = (struct obd_device *)data;
 386         int val, rc;
 387         LASSERT(obd != NULL);
 388
 389         rc = lprocfs_write_helper(buffer, count, &val);
 390         if (rc)
 391                 return rc;
 392
 393         if (val < 0)
 394                 return -EINVAL;
 395
 396         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 397         return count;
 398 }
 399 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 400
 401 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 402                                int count, int *eof, void *data)
 403 {
 404         struct obd_device *obd = (struct obd_device *)data;
 405         LASSERT(obd != NULL);
 406
 407         return snprintf(page, count, "changing qunit size is %s\n",
 408                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 409                         "enabled" : "disabled");
 410 }
 411 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 412
 413 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 414                                unsigned long count, void *data)
 415 {
 416         struct obd_device *obd = (struct obd_device *)data;
 417         int val, rc;
 418         LASSERT(obd != NULL);
 419
 420         rc = lprocfs_write_helper(buffer, count, &val);
 421         if (rc)
 422                 return rc;
 423
 424         if (val)
 425             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 426         else
 427             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 428
 429         return count;
 430 }
 431 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 432
 433 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 434                                      int count, int *eof, void *data)
 435 {
 436         struct obd_device *obd = (struct obd_device *)data;
 437         LASSERT(obd != NULL);
 438
 439
 440         return snprintf(page, count, "%lu\n",
 441                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 442 }
 443 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 444
 445 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 446                                      unsigned long count, void *data)
 447 {
 448         struct obd_device *obd = (struct obd_device *)data;
 449         int val, rc;
 450         LASSERT(obd != NULL);
 451
 452         rc = lprocfs_write_helper(buffer, count, &val);
 453         if (rc)
 454                 return rc;
 455
 456         if (val < 2)
 457                 return -EINVAL;
 458
 459         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 460         return count;
 461 }
 462 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 463
 464 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 465                                  int count, int *eof, void *data)
 466 {
 467         struct obd_device *obd = (struct obd_device *)data;
 468         LASSERT(obd != NULL);
 469
 470
 471         return snprintf(page, count, "%lu\n",
 472                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 473 }
 474 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 475
 476 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 477                                  unsigned long count, void *data)
 478 {
 479         struct obd_device *obd = (struct obd_device *)data;
 480         int val, rc;
 481         LASSERT(obd != NULL);
 482
 483         rc = lprocfs_write_helper(buffer, count, &val);
 484         if (rc)
 485                 return rc;
 486
 487         if (val < PTLRPC_MAX_BRW_SIZE ||
 488             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 489                 return -EINVAL;
 490
 491         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 492         return count;
 493 }
 494 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 495
 496 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 497                                  int count, int *eof, void *data)
 498 {
 499         struct obd_device *obd = (struct obd_device *)data;
 500         LASSERT(obd != NULL);
 501
 502
 503         return snprintf(page, count, "%lu\n",
 504                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 505 }
 506 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 507
 508 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 509                                  unsigned long count, void *data)
 510 {
 511         struct obd_device *obd = (struct obd_device *)data;
 512         int val, rc;
 513         LASSERT(obd != NULL);
 514
 515         rc = lprocfs_write_helper(buffer, count, &val);
 516         if (rc)
 517                 return rc;
 518
 519         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 520                 return -EINVAL;
 521
 522         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 523         return count;
 524 }
 525 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 526
 527 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 528                                int count, int *eof, void *data)
 529 {
 530         struct obd_device *obd = (struct obd_device *)data;
 531         LASSERT(obd != NULL);
 532
 533
 534         return snprintf(page, count, "%lu\n",
 535                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 536 }
 537 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 538
 539 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 540                                unsigned long count, void *data)
 541 {
 542         struct obd_device *obd = (struct obd_device *)data;
 543         int val, rc;
 544         LASSERT(obd != NULL);
 545
 546         rc = lprocfs_write_helper(buffer, count, &val);
 547         if (rc)
 548                 return rc;
 549
 550         if (val < 2)
 551                 return -EINVAL;
 552
 553         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 554         return count;
 555 }
 556 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 557
 558 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 559         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 560                             lprocfs_quota_wr_bunit, 0},
 561         { "quota_btune_sz", lprocfs_quota_rd_btune,
 562                             lprocfs_quota_wr_btune, 0},
 563         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 564                             lprocfs_quota_wr_iunit, 0},
 565         { "quota_itune_sz", lprocfs_quota_rd_itune,
 566                             lprocfs_quota_wr_itune, 0},
 567         { "quota_type",     lprocfs_quota_rd_type,
 568                             lprocfs_quota_wr_type, 0},
 569         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 570                                    lprocfs_quota_wr_switch_seconds, 0 },
 571         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 572                             lprocfs_quota_wr_sync_blk, 0},
 573         { NULL }
 574 };
 575
 576 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 577         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 578                              lprocfs_quota_wr_switch_qs, 0 },
 579         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 580                                    lprocfs_quota_wr_boundary_factor, 0 },
 581         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 582                                lprocfs_quota_wr_least_bunit, 0 },
 583         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 584                                lprocfs_quota_wr_least_iunit, 0 },
 585         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 586                                lprocfs_quota_wr_qs_factor, 0 },
 587         { NULL }
 588 };
 589
 590 int lquota_proc_setup(struct obd_device *obd, int is_master)
 591 {
 592         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 593         int rc = 0;
 594         ENTRY;
 595
 596         LASSERT(lquota_type_proc_dir && obd);
 597         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 598                                                lquota_type_proc_dir,
 599                                                lprocfs_quota_common_vars, obd);
 600         if (IS_ERR(qctxt->lqc_proc_dir)) {
 601                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 602                 CERROR("%s: error %d setting up lprocfs\n",
 603                        obd->obd_name, rc);
 604                 qctxt->lqc_proc_dir = NULL;
 605                 GOTO(out, rc);
 606         }
 607
 608         if (is_master) {
 609                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 610                                       lprocfs_quota_master_vars, obd);
 611                 if (rc) {
 612                         CERROR("%s: error %d setting up lprocfs for "
 613                                "quota master\n", obd->obd_name, rc);
 614                         GOTO(out_free_proc, rc);
 615                 }
 616         }
 617
 618         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 619                                                LQUOTA_FIRST_STAT, 0);
 620         if (!qctxt->lqc_stats)
 621                 GOTO(out_free_proc, rc = -ENOMEM);
 622
 623         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 624                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 625         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 626                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 627         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 628                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 629         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 630                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 631
 632         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 633                              LPROCFS_CNTR_AVGMINMAX,
 634                              "wait_for_blk_quota(lquota_chkquota)", "us");
 635         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 636                              LPROCFS_CNTR_AVGMINMAX,
 637                              "wait_for_ino_quota(lquota_chkquota)", "us");
 638         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 639                              LPROCFS_CNTR_AVGMINMAX,
 640                              "wait_for_blk_quota(lquota_pending_commit)",
 641                              "us");
 642         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 643                              LPROCFS_CNTR_AVGMINMAX,
 644                              "wait_for_ino_quota(lquota_pending_commit)",
 645                              "us");
 646
 647         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 648                              LPROCFS_CNTR_AVGMINMAX,
 649                              "wait_for_pending_blk_quota_req"
 650                              "(qctxt_wait_pending_dqacq)", "us");
 651         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 652                              LPROCFS_CNTR_AVGMINMAX,
 653                              "wait_for_pending_ino_quota_req"
 654                              "(qctxt_wait_pending_dqacq)", "us");
 655         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 656                              LPROCFS_CNTR_AVGMINMAX,
 657                              "nowait_for_pending_blk_quota_req"
 658                              "(qctxt_wait_pending_dqacq)", "us");
 659         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 660                              LPROCFS_CNTR_AVGMINMAX,
 661                              "nowait_for_pending_ino_quota_req"
 662                              "(qctxt_wait_pending_dqacq)", "us");
 663
 664         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 665                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 666         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 667                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 668
 669         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 670
 671         RETURN(rc);
 672
 673 out_free_proc:
 674         lprocfs_remove(&qctxt->lqc_proc_dir);
 675 out:
 676         RETURN(rc);
 677 }
 678
 679 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 680 {
 681         if (!qctxt || !qctxt->lqc_proc_dir)
 682                 return -EINVAL;
 683
 684         if (qctxt->lqc_stats != NULL)
 685                  lprocfs_free_stats(&qctxt->lqc_stats);
 686
 687         lprocfs_remove(&qctxt->lqc_proc_dir);
 688         return 0;
 689 }
 690
 691 #endif  /* LPROCFS */
 692 #endif