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 /* The following information about CURRENT quotas is expected on the output:
 179  * MDS: u for user quotas (administrative+operational) turned on,
 180  *      g for group quotas (administrative+operational) turned on,
 181  *      1 for 32-bit operational quotas and 32-bit administrative quotas,
 182  *      2 for 32-bit operational quotas and 64-bit administrative quotas,
 183  *      3 for 64-bit operational quotas and 64-bit administrative quotas
 184  * OST: u for user quotas (operational) turned on,
 185  *      g for group quotas (operational) turned on,
 186  *      1 for 32-bit local operational quotas,
 187  *      3 for 64-bit local operational quotas,
 188  * Permanent parameters can be read with lctl (?)
 189  */
 190 int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
 191                           int *eof, void *data)
 192 {
 193         struct obd_device *obd = (struct obd_device *)data;
 194         char stype[MAX_STYPE_SIZE + 1] = "";
 195         int oq_type, rc, is_mds;
 196         lustre_quota_version_t aq_version, oq_version;
 197         struct obd_device_target *obt;
 198
 199         LASSERT(obd != NULL);
 200
 201         obt = &obd->u.obt;
 202         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 203
 204         /* Collect the needed information */
 205         oq_type = obd->u.obt.obt_qctxt.lqc_flags;
 206         oq_version = obt->obt_qfmt;
 207         if (is_mds) {
 208                 rc = mds_quota_get_version(obd, &aq_version);
 209                 if (rc)
 210                         return -EPROTO;
 211                 /* Here we can also assert that aq_type == oq_type
 212                  * except for quota startup/shutdown states     */
 213         }
 214
 215         /* Transform the collected data into a user-readable string */
 216         if (oq_type & LQC_USRQUOTA_FLAG)
 217                 strcat(stype, "u");
 218         if (oq_type & LQC_GRPQUOTA_FLAG)
 219                 strcat(stype, "g");
 220
 221         if ((!is_mds || aq_version == LUSTRE_QUOTA_V1) &&
 222             oq_version == LUSTRE_QUOTA_V1)
 223                 strcat(stype, "1");
 224 #ifdef HAVE_QUOTA64
 225         else if ((!is_mds || aq_version == LUSTRE_QUOTA_V2) &&
 226                  oq_version == LUSTRE_QUOTA_V2)
 227                 strcat(stype, "3");
 228 #endif
 229         else if (is_mds && aq_version == LUSTRE_QUOTA_V2 &&
 230                  oq_version == LUSTRE_QUOTA_V1)
 231                 strcat(stype, "2");
 232         else
 233                 return -EPROTO;
 234
 235         return snprintf(page, count, "%s\n", stype);
 236 }
 237 EXPORT_SYMBOL(lprocfs_quota_rd_type);
 238
 239 static int auto_quota_on(struct obd_device *obd, int type,
 240                          struct super_block *sb, int is_master)
 241 {
 242         struct obd_quotactl *oqctl;
 243         struct lvfs_run_ctxt saved;
 244         int rc = 0, id;
 245         struct obd_device_target *obt;
 246         ENTRY;
 247
 248         LASSERT(type == USRQUOTA || type == GRPQUOTA || type == UGQUOTA);
 249
 250         obt = &obd->u.obt;
 251
 252         OBD_ALLOC_PTR(oqctl);
 253         if (!oqctl)
 254                 RETURN(-ENOMEM);
 255
 256         if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
 257                 CDEBUG(D_INFO, "other people are doing quotacheck\n");
 258                 atomic_inc(&obt->obt_quotachecking);
 259                 RETURN(-EBUSY);
 260         }
 261
 262         id = UGQUOTA2LQC(type);
 263         /* quota already turned on */
 264         if ((obt->obt_qctxt.lqc_flags & id) == id) {
 265                 rc = 0;
 266                 goto out;
 267         }
 268
 269         oqctl->qc_type = type;
 270         oqctl->qc_cmd = Q_QUOTAON;
 271         oqctl->qc_id = obt->obt_qfmt;
 272
 273         push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 274         if (is_master) {
 275                 struct mds_obd *mds = &obd->u.mds;
 276
 277                 down(&mds->mds_qonoff_sem);
 278                 /* turn on cluster wide quota */
 279                 rc = mds_admin_quota_on(obd, oqctl);
 280                 if (rc)
 281                         CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 282                                "auto-enable admin quota failed. rc=%d\n", rc);
 283                 up(&mds->mds_qonoff_sem);
 284
 285         }
 286         if (!rc) {
 287                 /* turn on local quota */
 288                 rc = fsfilt_quotactl(obd, sb, oqctl);
 289                 if (rc)
 290                         CDEBUG(rc == -ENOENT ? D_QUOTA : D_ERROR,
 291                                "auto-enable local quota failed. rc=%d\n", rc);
 292                 else
 293                         obt->obt_qctxt.lqc_flags |= UGQUOTA2LQC(type);
 294         }
 295
 296         pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
 297
 298 out:
 299         atomic_inc(&obt->obt_quotachecking);
 300
 301         OBD_FREE_PTR(oqctl);
 302         RETURN(rc);
 303 }
 304
 305 static int filter_quota_set_version(struct obd_device *obd,
 306                                     lustre_quota_version_t version)
 307 {
 308         struct obd_device_target *obt = &obd->u.obt;
 309
 310         if (version != LUSTRE_QUOTA_V1) {
 311 #ifdef HAVE_QUOTA64
 312                 if (version != LUSTRE_QUOTA_V2)
 313 #endif
 314                         return -EINVAL;
 315         }
 316
 317         if (!atomic_dec_and_test(&obt->obt_quotachecking)) {
 318                 CDEBUG(D_INFO, "other people are doing quotacheck\n");
 319                 atomic_inc(&obt->obt_quotachecking);
 320                 return -EBUSY;
 321         }
 322
 323         if (obt->obt_qctxt.lqc_flags & (LQC_USRQUOTA_FLAG | LQC_GRPQUOTA_FLAG)) {
 324                 atomic_inc(&obt->obt_quotachecking);
 325                 return -EBUSY;
 326         }
 327
 328         obt->obt_qfmt = version;
 329
 330         atomic_inc(&obt->obt_quotachecking);
 331
 332         return 0;
 333 }
 334
 335 /* The following settings of CURRENT quotas is expected on the input:
 336  * MDS: u for user quotas (administrative+operational) turned on,
 337  *      g for group quotas (administrative+operational) turned on,
 338  *      1 for 32-bit operational quotas and 32-bit administrative quotas,
 339  *      2 for 32-bit operational quotas and 64-bit administrative quotas,
 340  *      3 for 64-bit operational quotas and 64-bit administrative quotas
 341  * OST: u for user quotas (operational) turned on,
 342  *      g for group quotas (operational) turned on,
 343  *      1 for 32-bit local operational quotas,
 344  *      2 for 32-bit local operational quotas,
 345  *      3 for 64-bit local operational quotas,
 346  * Permanent parameters can be set with lctl/tunefs
 347  */
 348 int lprocfs_quota_wr_type(struct file *file, const char *buffer,
 349                           unsigned long count, void *data)
 350 {
 351         struct obd_device *obd = (struct obd_device *)data;
 352         struct obd_device_target *obt;
 353         int type = 0, is_mds, idx;
 354         unsigned long i;
 355         char stype[MAX_STYPE_SIZE + 1] = "";
 356         static const lustre_quota_version_t s2av[3] = {LUSTRE_QUOTA_V1,
 357                                                        LUSTRE_QUOTA_V2,
 358                                                        LUSTRE_QUOTA_V2},
 359                                             s2ov[3] = {LUSTRE_QUOTA_V1,
 360                                                        LUSTRE_QUOTA_V1,
 361                                                        LUSTRE_QUOTA_V2};
 362         LASSERT(obd != NULL);
 363
 364         obt = &obd->u.obt;
 365
 366         is_mds = !strcmp(obd->obd_type->typ_name, LUSTRE_MDS_NAME);
 367
 368         if (count > MAX_STYPE_SIZE)
 369                 return -EINVAL;
 370
 371         if (copy_from_user(stype, buffer, count))
 372                 return -EFAULT;
 373
 374         for (i = 0 ; i < count ; i++) {
 375                 int rc;
 376
 377                 switch (stype[i]) {
 378                 case 'u' :
 379                         type |= USER_QUOTA;
 380                         break;
 381                 case 'g' :
 382                         type |= GROUP_QUOTA;
 383                         break;
 384                 /* quota version specifiers */
 385                 case '1' :
 386                 case '2' :
 387                 case '3' :
 388                         idx = stype[i] - '1';
 389 #ifndef HAVE_QUOTA64
 390                         if (s2ov[idx] == LUSTRE_QUOTA_V2)
 391                                 return -EINVAL;
 392 #endif
 393                         if (is_mds) {
 394                                 rc = mds_quota_set_version(obd, s2av[idx]);
 395                                 if (rc) {
 396                                         CDEBUG(D_QUOTA, "failed to set admin "
 397                                                "quota to spec %c! %d\n",
 398                                                stype[i], rc);
 399                                         return rc;
 400                                 }
 401                         }
 402                         rc = filter_quota_set_version(obd, s2ov[idx]);
 403                         if (rc) {
 404                                 CDEBUG(D_QUOTA, "failed to set operational quota"
 405                                        " to spec %c! %d\n", stype[i], rc);
 406                                 return rc;
 407                         }
 408                         break;
 409                 default  : /* just skip stray symbols like \n */
 410                         break;
 411                 }
 412         }
 413
 414         if (type != 0)
 415                 auto_quota_on(obd, type - 1, obt->obt_sb, is_mds);
 416
 417         return count;
 418 }
 419 EXPORT_SYMBOL(lprocfs_quota_wr_type);
 420
 421 int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
 422                                     int count, int *eof, void *data)
 423 {
 424         struct obd_device *obd = (struct obd_device *)data;
 425         LASSERT(obd != NULL);
 426
 427         return snprintf(page, count, "%d\n",
 428                         obd->u.obt.obt_qctxt.lqc_switch_seconds);
 429 }
 430 EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
 431
 432 int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
 433                                     unsigned long count, void *data)
 434 {
 435         struct obd_device *obd = (struct obd_device *)data;
 436         int val, rc;
 437         LASSERT(obd != NULL);
 438
 439         rc = lprocfs_write_helper(buffer, count, &val);
 440         if (rc)
 441                 return rc;
 442
 443         if (val <= 10)
 444                 return -EINVAL;
 445
 446         obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
 447         return count;
 448 }
 449 EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
 450
 451 int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
 452                               int count, int *eof, void *data)
 453 {
 454         struct obd_device *obd = (struct obd_device *)data;
 455         LASSERT(obd != NULL);
 456
 457         return snprintf(page, count, "%d\n",
 458                         obd->u.obt.obt_qctxt.lqc_sync_blk);
 459 }
 460 EXPORT_SYMBOL(lprocfs_quota_rd_sync_blk);
 461
 462 int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
 463                               unsigned long count, void *data)
 464 {
 465         struct obd_device *obd = (struct obd_device *)data;
 466         int val, rc;
 467         LASSERT(obd != NULL);
 468
 469         rc = lprocfs_write_helper(buffer, count, &val);
 470         if (rc)
 471                 return rc;
 472
 473         if (val < 0)
 474                 return -EINVAL;
 475
 476         obd->u.obt.obt_qctxt.lqc_sync_blk = val;
 477         return count;
 478 }
 479 EXPORT_SYMBOL(lprocfs_quota_wr_sync_blk);
 480
 481 int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
 482                                int count, int *eof, void *data)
 483 {
 484         struct obd_device *obd = (struct obd_device *)data;
 485         LASSERT(obd != NULL);
 486
 487         return snprintf(page, count, "changing qunit size is %s\n",
 488                         obd->u.obt.obt_qctxt.lqc_switch_qs ?
 489                         "enabled" : "disabled");
 490 }
 491 EXPORT_SYMBOL(lprocfs_quota_rd_switch_qs);
 492
 493 int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
 494                                unsigned long count, void *data)
 495 {
 496         struct obd_device *obd = (struct obd_device *)data;
 497         int val, rc;
 498         LASSERT(obd != NULL);
 499
 500         rc = lprocfs_write_helper(buffer, count, &val);
 501         if (rc)
 502                 return rc;
 503
 504         if (val)
 505             obd->u.obt.obt_qctxt.lqc_switch_qs = 1;
 506         else
 507             obd->u.obt.obt_qctxt.lqc_switch_qs = 0;
 508
 509         return count;
 510 }
 511 EXPORT_SYMBOL(lprocfs_quota_wr_switch_qs);
 512
 513 int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
 514                                      int count, int *eof, void *data)
 515 {
 516         struct obd_device *obd = (struct obd_device *)data;
 517         LASSERT(obd != NULL);
 518
 519
 520         return snprintf(page, count, "%lu\n",
 521                         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor);
 522 }
 523 EXPORT_SYMBOL(lprocfs_quota_rd_boundary_factor);
 524
 525 int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
 526                                      unsigned long count, void *data)
 527 {
 528         struct obd_device *obd = (struct obd_device *)data;
 529         int val, rc;
 530         LASSERT(obd != NULL);
 531
 532         rc = lprocfs_write_helper(buffer, count, &val);
 533         if (rc)
 534                 return rc;
 535
 536         if (val < 2)
 537                 return -EINVAL;
 538
 539         obd->u.obt.obt_qctxt.lqc_cqs_boundary_factor = val;
 540         return count;
 541 }
 542 EXPORT_SYMBOL(lprocfs_quota_wr_boundary_factor);
 543
 544 int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
 545                                  int count, int *eof, void *data)
 546 {
 547         struct obd_device *obd = (struct obd_device *)data;
 548         LASSERT(obd != NULL);
 549
 550
 551         return snprintf(page, count, "%lu\n",
 552                         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit);
 553 }
 554 EXPORT_SYMBOL(lprocfs_quota_rd_least_bunit);
 555
 556 int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
 557                                  unsigned long count, void *data)
 558 {
 559         struct obd_device *obd = (struct obd_device *)data;
 560         int val, rc;
 561         LASSERT(obd != NULL);
 562
 563         rc = lprocfs_write_helper(buffer, count, &val);
 564         if (rc)
 565                 return rc;
 566
 567         if (val < PTLRPC_MAX_BRW_SIZE ||
 568             val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
 569                 return -EINVAL;
 570
 571         obd->u.obt.obt_qctxt.lqc_cqs_least_bunit = val;
 572         return count;
 573 }
 574 EXPORT_SYMBOL(lprocfs_quota_wr_least_bunit);
 575
 576 int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
 577                                  int count, int *eof, void *data)
 578 {
 579         struct obd_device *obd = (struct obd_device *)data;
 580         LASSERT(obd != NULL);
 581
 582
 583         return snprintf(page, count, "%lu\n",
 584                         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit);
 585 }
 586 EXPORT_SYMBOL(lprocfs_quota_rd_least_iunit);
 587
 588 int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
 589                                  unsigned long count, void *data)
 590 {
 591         struct obd_device *obd = (struct obd_device *)data;
 592         int val, rc;
 593         LASSERT(obd != NULL);
 594
 595         rc = lprocfs_write_helper(buffer, count, &val);
 596         if (rc)
 597                 return rc;
 598
 599         if (val < 1 || val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
 600                 return -EINVAL;
 601
 602         obd->u.obt.obt_qctxt.lqc_cqs_least_iunit = val;
 603         return count;
 604 }
 605 EXPORT_SYMBOL(lprocfs_quota_wr_least_iunit);
 606
 607 int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
 608                                int count, int *eof, void *data)
 609 {
 610         struct obd_device *obd = (struct obd_device *)data;
 611         LASSERT(obd != NULL);
 612
 613
 614         return snprintf(page, count, "%lu\n",
 615                         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor);
 616 }
 617 EXPORT_SYMBOL(lprocfs_quota_rd_qs_factor);
 618
 619 int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
 620                                unsigned long count, void *data)
 621 {
 622         struct obd_device *obd = (struct obd_device *)data;
 623         int val, rc;
 624         LASSERT(obd != NULL);
 625
 626         rc = lprocfs_write_helper(buffer, count, &val);
 627         if (rc)
 628                 return rc;
 629
 630         if (val < 2)
 631                 return -EINVAL;
 632
 633         obd->u.obt.obt_qctxt.lqc_cqs_qs_factor = val;
 634         return count;
 635 }
 636 EXPORT_SYMBOL(lprocfs_quota_wr_qs_factor);
 637
 638 struct lprocfs_vars lprocfs_quota_common_vars[] = {
 639         { "quota_bunit_sz", lprocfs_quota_rd_bunit,
 640                             lprocfs_quota_wr_bunit, 0},
 641         { "quota_btune_sz", lprocfs_quota_rd_btune,
 642                             lprocfs_quota_wr_btune, 0},
 643         { "quota_iunit_sz", lprocfs_quota_rd_iunit,
 644                             lprocfs_quota_wr_iunit, 0},
 645         { "quota_itune_sz", lprocfs_quota_rd_itune,
 646                             lprocfs_quota_wr_itune, 0},
 647         { "quota_type",     lprocfs_quota_rd_type,
 648                             lprocfs_quota_wr_type, 0},
 649         { "quota_switch_seconds",  lprocfs_quota_rd_switch_seconds,
 650                                    lprocfs_quota_wr_switch_seconds, 0 },
 651         { "quota_sync_blk", lprocfs_quota_rd_sync_blk,
 652                             lprocfs_quota_wr_sync_blk, 0},
 653         { NULL }
 654 };
 655
 656 struct lprocfs_vars lprocfs_quota_master_vars[] = {
 657         { "quota_switch_qs", lprocfs_quota_rd_switch_qs,
 658                              lprocfs_quota_wr_switch_qs, 0 },
 659         { "quota_boundary_factor", lprocfs_quota_rd_boundary_factor,
 660                                    lprocfs_quota_wr_boundary_factor, 0 },
 661         { "quota_least_bunit", lprocfs_quota_rd_least_bunit,
 662                                lprocfs_quota_wr_least_bunit, 0 },
 663         { "quota_least_iunit", lprocfs_quota_rd_least_iunit,
 664                                lprocfs_quota_wr_least_iunit, 0 },
 665         { "quota_qs_factor",   lprocfs_quota_rd_qs_factor,
 666                                lprocfs_quota_wr_qs_factor, 0 },
 667         { NULL }
 668 };
 669
 670 int lquota_proc_setup(struct obd_device *obd, int is_master)
 671 {
 672         struct lustre_quota_ctxt *qctxt = &obd->u.obt.obt_qctxt;
 673         int rc = 0;
 674         ENTRY;
 675
 676         LASSERT(lquota_type_proc_dir && obd);
 677         qctxt->lqc_proc_dir = lprocfs_register(obd->obd_name,
 678                                                lquota_type_proc_dir,
 679                                                lprocfs_quota_common_vars, obd);
 680         if (IS_ERR(qctxt->lqc_proc_dir)) {
 681                 rc = PTR_ERR(qctxt->lqc_proc_dir);
 682                 CERROR("error %d setting up lprocfs for %s\n", rc,
 683                        obd->obd_name);
 684                 qctxt->lqc_proc_dir = NULL;
 685                 GOTO(out, rc);
 686         }
 687
 688         if (is_master) {
 689                 rc = lprocfs_add_vars(qctxt->lqc_proc_dir,
 690                                       lprocfs_quota_master_vars, obd);
 691                 if (rc) {
 692                         CERROR("error %d setting up lprocfs for %s"
 693                                "(quota master)\n", rc, obd->obd_name);
 694                         GOTO(out_free_proc, rc);
 695                 }
 696         }
 697
 698         qctxt->lqc_stats = lprocfs_alloc_stats(LQUOTA_LAST_STAT -
 699                                                LQUOTA_FIRST_STAT, 0);
 700         if (!qctxt->lqc_stats)
 701                 GOTO(out_free_proc, rc = -ENOMEM);
 702
 703         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_ACQ,
 704                              LPROCFS_CNTR_AVGMINMAX, "sync_acq_req", "us");
 705         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_SYNC_REL,
 706                              LPROCFS_CNTR_AVGMINMAX, "sync_rel_req", "us");
 707         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_ACQ,
 708                              LPROCFS_CNTR_AVGMINMAX, "async_acq_req", "us");
 709         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ASYNC_REL,
 710                              LPROCFS_CNTR_AVGMINMAX, "async_rel_req", "us");
 711
 712         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_BLK,
 713                              LPROCFS_CNTR_AVGMINMAX,
 714                              "wait_for_blk_quota(lquota_chkquota)", "us");
 715         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_CHK_INO,
 716                              LPROCFS_CNTR_AVGMINMAX,
 717                              "wait_for_ino_quota(lquota_chkquota)", "us");
 718         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_BLK,
 719                              LPROCFS_CNTR_AVGMINMAX,
 720                              "wait_for_blk_quota(lquota_pending_commit)",
 721                              "us");
 722         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_FOR_COMMIT_INO,
 723                              LPROCFS_CNTR_AVGMINMAX,
 724                              "wait_for_ino_quota(lquota_pending_commit)",
 725                              "us");
 726
 727         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_BLK_QUOTA,
 728                              LPROCFS_CNTR_AVGMINMAX,
 729                              "wait_for_pending_blk_quota_req"
 730                              "(qctxt_wait_pending_dqacq)", "us");
 731         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_WAIT_PENDING_INO_QUOTA,
 732                              LPROCFS_CNTR_AVGMINMAX,
 733                              "wait_for_pending_ino_quota_req"
 734                              "(qctxt_wait_pending_dqacq)", "us");
 735         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 736                              LPROCFS_CNTR_AVGMINMAX,
 737                              "nowait_for_pending_blk_quota_req"
 738                              "(qctxt_wait_pending_dqacq)", "us");
 739         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 740                              LPROCFS_CNTR_AVGMINMAX,
 741                              "nowait_for_pending_ino_quota_req"
 742                              "(qctxt_wait_pending_dqacq)", "us");
 743
 744         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_QUOTA_CTL,
 745                              LPROCFS_CNTR_AVGMINMAX, "quota_ctl", "us");
 746         lprocfs_counter_init(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
 747                              LPROCFS_CNTR_AVGMINMAX, "adjust_qunit", "us");
 748
 749         lprocfs_register_stats(qctxt->lqc_proc_dir, "stats", qctxt->lqc_stats);
 750
 751         RETURN(rc);
 752
 753 out_free_proc:
 754         lprocfs_remove(&qctxt->lqc_proc_dir);
 755 out:
 756         RETURN(rc);
 757 }
 758
 759 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt)
 760 {
 761         if (!qctxt || !qctxt->lqc_proc_dir)
 762                 return -EINVAL;
 763
 764         if (qctxt->lqc_stats != NULL)
 765                 lprocfs_free_stats(&qctxt->lqc_stats);
 766
 767         lprocfs_remove(&qctxt->lqc_proc_dir);
 768         return 0;
 769 }
 770
 771 #endif  /* LPROCFS */
 772 #endif