lustre/osd-ldiskfs/osd_lproc.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2011, 2015, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * lustre/osd/osd_lproc.c
  37  *
  38  * Author: Mikhail Pershin <tappro@sun.com>
  39  */
  40
  41 #define DEBUG_SUBSYSTEM S_OSD
  42
  43 #include <lprocfs_status.h>
  44 #include <lustre/lustre_idl.h>
  45
  46 #include "osd_internal.h"
  47
  48 #ifdef CONFIG_PROC_FS
  49
  50 void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf)
  51 {
  52         struct brw_stats *s = &osd->od_brw_stats;
  53         sector_t         *last_block = NULL;
  54         struct page     **pages = iobuf->dr_pages;
  55         struct page      *last_page = NULL;
  56         unsigned long     discont_pages = 0;
  57         unsigned long     discont_blocks = 0;
  58         sector_t         *blocks = iobuf->dr_blocks;
  59         int               i, nr_pages = iobuf->dr_npages;
  60         int               blocks_per_page;
  61         int               rw = iobuf->dr_rw;
  62
  63         if (unlikely(nr_pages == 0))
  64                 return;
  65
  66         blocks_per_page = PAGE_CACHE_SIZE >> osd_sb(osd)->s_blocksize_bits;
  67
  68         lprocfs_oh_tally_log2(&s->hist[BRW_R_PAGES+rw], nr_pages);
  69
  70         while (nr_pages-- > 0) {
  71                 if (last_page && (*pages)->index != (last_page->index + 1))
  72                         discont_pages++;
  73                 last_page = *pages;
  74                 pages++;
  75                 for (i = 0; i < blocks_per_page; i++) {
  76                         if (last_block && *blocks != (*last_block + 1))
  77                                 discont_blocks++;
  78                         last_block = blocks++;
  79                 }
  80         }
  81
  82         lprocfs_oh_tally(&s->hist[BRW_R_DISCONT_PAGES+rw], discont_pages);
  83         lprocfs_oh_tally(&s->hist[BRW_R_DISCONT_BLOCKS+rw], discont_blocks);
  84 }
  85
  86 #define pct(a, b) (b ? a * 100 / b : 0)
  87
  88 static void display_brw_stats(struct seq_file *seq, char *name, char *units,
  89         struct obd_histogram *read, struct obd_histogram *write, int scale)
  90 {
  91         unsigned long read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
  92         int i;
  93
  94         seq_printf(seq, "\n%26s read      |     write\n", " ");
  95         seq_printf(seq, "%-22s %-5s %% cum %% |  %-11s %% cum %%\n",
  96                    name, units, units);
  97
  98         read_tot = lprocfs_oh_sum(read);
  99         write_tot = lprocfs_oh_sum(write);
 100         for (i = 0; i < OBD_HIST_MAX; i++) {
 101                 r = read->oh_buckets[i];
 102                 w = write->oh_buckets[i];
 103                 read_cum += r;
 104                 write_cum += w;
 105                 if (read_cum == 0 && write_cum == 0)
 106                         continue;
 107
 108                 if (!scale)
 109                         seq_printf(seq, "%u", i);
 110                 else if (i < 10)
 111                         seq_printf(seq, "%u", scale << i);
 112                 else if (i < 20)
 113                         seq_printf(seq, "%uK", scale << (i-10));
 114                 else
 115                         seq_printf(seq, "%uM", scale << (i-20));
 116
 117                 seq_printf(seq, ":\t\t%10lu %3lu %3lu   | %4lu %3lu %3lu\n",
 118                            r, pct(r, read_tot), pct(read_cum, read_tot),
 119                            w, pct(w, write_tot), pct(write_cum, write_tot));
 120
 121                 if (read_cum == read_tot && write_cum == write_tot)
 122                         break;
 123         }
 124 }
 125
 126 static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
 127 {
 128         struct timeval now;
 129
 130         /* this sampling races with updates */
 131         do_gettimeofday(&now);
 132         seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
 133                    now.tv_sec, now.tv_usec);
 134
 135         display_brw_stats(seq, "pages per bulk r/w", "rpcs",
 136                           &brw_stats->hist[BRW_R_PAGES],
 137                           &brw_stats->hist[BRW_W_PAGES], 1);
 138
 139         display_brw_stats(seq, "discontiguous pages", "rpcs",
 140                           &brw_stats->hist[BRW_R_DISCONT_PAGES],
 141                           &brw_stats->hist[BRW_W_DISCONT_PAGES], 0);
 142
 143         display_brw_stats(seq, "discontiguous blocks", "rpcs",
 144                           &brw_stats->hist[BRW_R_DISCONT_BLOCKS],
 145                           &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0);
 146
 147         display_brw_stats(seq, "disk fragmented I/Os", "ios",
 148                           &brw_stats->hist[BRW_R_DIO_FRAGS],
 149                           &brw_stats->hist[BRW_W_DIO_FRAGS], 0);
 150
 151         display_brw_stats(seq, "disk I/Os in flight", "ios",
 152                           &brw_stats->hist[BRW_R_RPC_HIST],
 153                           &brw_stats->hist[BRW_W_RPC_HIST], 0);
 154
 155         display_brw_stats(seq, "I/O time (1/1000s)", "ios",
 156                           &brw_stats->hist[BRW_R_IO_TIME],
 157                           &brw_stats->hist[BRW_W_IO_TIME],
 158                           jiffies_to_msecs(1000) / MSEC_PER_SEC);
 159
 160         display_brw_stats(seq, "disk I/O size", "ios",
 161                           &brw_stats->hist[BRW_R_DISK_IOSIZE],
 162                           &brw_stats->hist[BRW_W_DISK_IOSIZE], 1);
 163 }
 164
 165 #undef pct
 166
 167 static int osd_brw_stats_seq_show(struct seq_file *seq, void *v)
 168 {
 169         struct osd_device *osd = seq->private;
 170
 171         brw_stats_show(seq, &osd->od_brw_stats);
 172
 173         return 0;
 174 }
 175
 176 static ssize_t osd_brw_stats_seq_write(struct file *file, const char *buf,
 177                                        size_t len, loff_t *off)
 178 {
 179         struct seq_file *seq = file->private_data;
 180         struct osd_device *osd = seq->private;
 181         int i;
 182
 183         for (i = 0; i < BRW_LAST; i++)
 184                 lprocfs_oh_clear(&osd->od_brw_stats.hist[i]);
 185
 186         return len;
 187 }
 188
 189 LPROC_SEQ_FOPS(osd_brw_stats);
 190
 191 static int osd_stats_init(struct osd_device *osd)
 192 {
 193         int i, result;
 194         ENTRY;
 195
 196         for (i = 0; i < BRW_LAST; i++)
 197                 spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
 198
 199         osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
 200         if (osd->od_stats != NULL) {
 201                 result = lprocfs_register_stats(osd->od_proc_entry, "stats",
 202                                                 osd->od_stats);
 203                 if (result)
 204                         GOTO(out, result);
 205
 206                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_GET_PAGE,
 207                                      LPROCFS_CNTR_AVGMINMAX|LPROCFS_CNTR_STDDEV,
 208                                      "get_page", "usec");
 209                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_NO_PAGE,
 210                                      LPROCFS_CNTR_AVGMINMAX,
 211                                      "get_page_failures", "num");
 212                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_ACCESS,
 213                                      LPROCFS_CNTR_AVGMINMAX,
 214                                      "cache_access", "pages");
 215                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_HIT,
 216                                      LPROCFS_CNTR_AVGMINMAX,
 217                                      "cache_hit", "pages");
 218                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_MISS,
 219                                      LPROCFS_CNTR_AVGMINMAX,
 220                                      "cache_miss", "pages");
 221 #if OSD_THANDLE_STATS
 222                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_STARTING,
 223                                      LPROCFS_CNTR_AVGMINMAX,
 224                                      "thandle starting", "usec");
 225                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_OPEN,
 226                                      LPROCFS_CNTR_AVGMINMAX,
 227                                      "thandle open", "usec");
 228                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_CLOSING,
 229                                      LPROCFS_CNTR_AVGMINMAX,
 230                                      "thandle closing", "usec");
 231 #endif
 232                 result = lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
 233                                             0644, &osd_brw_stats_fops, osd);
 234         } else
 235                 result = -ENOMEM;
 236
 237 out:
 238         RETURN(result);
 239 }
 240
 241 static int ldiskfs_osd_fstype_seq_show(struct seq_file *m, void *data)
 242 {
 243         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 244
 245         LASSERT(osd != NULL);
 246         seq_puts(m, "ldiskfs\n");
 247         return 0;
 248 }
 249 LPROC_SEQ_FOPS_RO(ldiskfs_osd_fstype);
 250
 251 static int ldiskfs_osd_mntdev_seq_show(struct seq_file *m, void *data)
 252 {
 253         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 254
 255         LASSERT(osd != NULL);
 256         if (unlikely(osd->od_mnt == NULL))
 257                 return -EINPROGRESS;
 258
 259         seq_printf(m, "%s\n", osd->od_mntdev);
 260         return 0;
 261 }
 262 LPROC_SEQ_FOPS_RO(ldiskfs_osd_mntdev);
 263
 264 static int ldiskfs_osd_cache_seq_show(struct seq_file *m, void *data)
 265 {
 266         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 267
 268         LASSERT(osd != NULL);
 269         if (unlikely(osd->od_mnt == NULL))
 270                 return -EINPROGRESS;
 271
 272         seq_printf(m, "%u\n", osd->od_read_cache);
 273         return 0;
 274 }
 275
 276 static ssize_t
 277 ldiskfs_osd_cache_seq_write(struct file *file, const char *buffer,
 278                             size_t count, loff_t *off)
 279 {
 280         struct seq_file *m = file->private_data;
 281         struct dt_device *dt = m->private;
 282         struct osd_device *osd = osd_dt_dev(dt);
 283         int rc;
 284         __s64 val;
 285
 286         LASSERT(osd != NULL);
 287         if (unlikely(osd->od_mnt == NULL))
 288                 return -EINPROGRESS;
 289
 290         rc = lprocfs_str_to_s64(buffer, count, &val);
 291         if (rc)
 292                 return rc;
 293
 294         osd->od_read_cache = !!val;
 295         return count;
 296 }
 297 LPROC_SEQ_FOPS(ldiskfs_osd_cache);
 298
 299 static int ldiskfs_osd_wcache_seq_show(struct seq_file *m, void *data)
 300 {
 301         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 302
 303         LASSERT(osd != NULL);
 304         if (unlikely(osd->od_mnt == NULL))
 305                 return -EINPROGRESS;
 306
 307         seq_printf(m, "%u\n", osd->od_writethrough_cache);
 308         return 0;
 309 }
 310
 311 static ssize_t
 312 ldiskfs_osd_wcache_seq_write(struct file *file, const char *buffer,
 313                                 size_t count, loff_t *off)
 314 {
 315         struct seq_file *m = file->private_data;
 316         struct dt_device *dt = m->private;
 317         struct osd_device *osd = osd_dt_dev(dt);
 318         int rc;
 319         __s64 val;
 320
 321         LASSERT(osd != NULL);
 322         if (unlikely(osd->od_mnt == NULL))
 323                 return -EINPROGRESS;
 324
 325         rc = lprocfs_str_to_s64(buffer, count, &val);
 326         if (rc)
 327                 return rc;
 328
 329         osd->od_writethrough_cache = !!val;
 330         return count;
 331 }
 332 LPROC_SEQ_FOPS(ldiskfs_osd_wcache);
 333
 334 static ssize_t
 335 lprocfs_osd_force_sync_seq_write(struct file *file, const char *buffer,
 336                                         size_t count, loff_t *off)
 337 {
 338         struct seq_file   *m = file->private_data;
 339         struct dt_device  *dt = m->private;
 340         struct osd_device *osd = osd_dt_dev(dt);
 341         struct lu_env      env;
 342         int                rc;
 343
 344         LASSERT(osd != NULL);
 345         if (unlikely(osd->od_mnt == NULL))
 346                 return -EINPROGRESS;
 347
 348         rc = lu_env_init(&env, LCT_LOCAL);
 349         if (rc)
 350                 return rc;
 351         rc = dt_sync(&env, dt);
 352         lu_env_fini(&env);
 353
 354         return rc == 0 ? count : rc;
 355 }
 356 LPROC_SEQ_FOPS_WO_TYPE(ldiskfs, osd_force_sync);
 357
 358 static int ldiskfs_osd_pdo_seq_show(struct seq_file *m, void *data)
 359 {
 360         seq_printf(m, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
 361         return 0;
 362 }
 363
 364 static ssize_t
 365 ldiskfs_osd_pdo_seq_write(struct file *file, const char *buffer,
 366                                 size_t count, loff_t *off)
 367 {
 368         int rc;
 369         __s64 pdo;
 370
 371         rc = lprocfs_str_to_s64(buffer, count, &pdo);
 372         if (rc != 0)
 373                 return rc;
 374
 375         ldiskfs_pdo = !!pdo;
 376
 377         return count;
 378 }
 379 LPROC_SEQ_FOPS(ldiskfs_osd_pdo);
 380
 381 static int ldiskfs_osd_auto_scrub_seq_show(struct seq_file *m, void *data)
 382 {
 383         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 384
 385         LASSERT(dev != NULL);
 386         if (unlikely(dev->od_mnt == NULL))
 387                 return -EINPROGRESS;
 388
 389         seq_printf(m, "%d\n", !dev->od_noscrub);
 390         return 0;
 391 }
 392
 393 static ssize_t
 394 ldiskfs_osd_auto_scrub_seq_write(struct file *file, const char *buffer,
 395                                         size_t count, loff_t *off)
 396 {
 397         struct seq_file *m = file->private_data;
 398         struct dt_device *dt = m->private;
 399         struct osd_device *dev = osd_dt_dev(dt);
 400         int rc;
 401         __s64 val;
 402
 403         LASSERT(dev != NULL);
 404         if (unlikely(dev->od_mnt == NULL))
 405                 return -EINPROGRESS;
 406
 407         rc = lprocfs_str_to_s64(buffer, count, &val);
 408         if (rc)
 409                 return rc;
 410
 411         dev->od_noscrub = !val;
 412         return count;
 413 }
 414 LPROC_SEQ_FOPS(ldiskfs_osd_auto_scrub);
 415
 416 static int ldiskfs_osd_full_scrub_ratio_seq_show(struct seq_file *m, void *data)
 417 {
 418         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 419
 420         LASSERT(dev != NULL);
 421         if (unlikely(dev->od_mnt == NULL))
 422                 return -EINPROGRESS;
 423
 424         seq_printf(m, LPU64"\n", dev->od_full_scrub_ratio);
 425         return 0;
 426 }
 427
 428 static ssize_t
 429 ldiskfs_osd_full_scrub_ratio_seq_write(struct file *file, const char *buffer,
 430                                        size_t count, loff_t *off)
 431 {
 432         struct seq_file *m = file->private_data;
 433         struct dt_device *dt = m->private;
 434         struct osd_device *dev = osd_dt_dev(dt);
 435         int rc;
 436         __s64 val;
 437
 438         LASSERT(dev != NULL);
 439         if (unlikely(dev->od_mnt == NULL))
 440                 return -EINPROGRESS;
 441
 442         rc = lprocfs_str_to_s64(buffer, count, &val);
 443         if (rc != 0)
 444                 return rc;
 445
 446         if (val < 0)
 447                 return -EINVAL;
 448
 449         dev->od_full_scrub_ratio = val;
 450         return count;
 451 }
 452 LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_ratio);
 453
 454 static int ldiskfs_osd_full_scrub_threshold_rate_seq_show(struct seq_file *m,
 455                                                           void *data)
 456 {
 457         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 458
 459         LASSERT(dev != NULL);
 460         if (unlikely(dev->od_mnt == NULL))
 461                 return -EINPROGRESS;
 462
 463         seq_printf(m, LPU64" (bad OI mappings/minute)\n",
 464                    dev->od_full_scrub_threshold_rate);
 465         return 0;
 466 }
 467
 468 static ssize_t
 469 ldiskfs_osd_full_scrub_threshold_rate_seq_write(struct file *file,
 470                                                 const char *buffer,
 471                                                 size_t count, loff_t *off)
 472 {
 473         struct seq_file *m = file->private_data;
 474         struct dt_device *dt = m->private;
 475         struct osd_device *dev = osd_dt_dev(dt);
 476         int rc;
 477         __s64 val;
 478
 479         LASSERT(dev != NULL);
 480         if (unlikely(dev->od_mnt == NULL))
 481                 return -EINPROGRESS;
 482
 483         rc = lprocfs_str_to_s64(buffer, count, &val);
 484         if (rc != 0)
 485                 return rc;
 486
 487         if (val < 0)
 488                 return -EINVAL;
 489
 490         dev->od_full_scrub_threshold_rate = val;
 491         return count;
 492 }
 493 LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_threshold_rate);
 494
 495 static int
 496 ldiskfs_osd_track_declares_assert_seq_show(struct seq_file *m, void *data)
 497 {
 498         seq_printf(m, "%d\n", ldiskfs_track_declares_assert);
 499         return 0;
 500 }
 501
 502 static ssize_t
 503 ldiskfs_osd_track_declares_assert_seq_write(struct file *file,
 504                                                 const char *buffer,
 505                                                 size_t count, loff_t *off)
 506 {
 507         __s64 track_declares_assert;
 508         int rc;
 509
 510         rc = lprocfs_str_to_s64(buffer, count, &track_declares_assert);
 511         if (rc != 0)
 512                 return rc;
 513
 514         ldiskfs_track_declares_assert = !!track_declares_assert;
 515
 516         return count;
 517 }
 518 LPROC_SEQ_FOPS(ldiskfs_osd_track_declares_assert);
 519
 520 static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
 521 {
 522         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 523
 524         LASSERT(dev != NULL);
 525         if (unlikely(dev->od_mnt == NULL))
 526                 return -EINPROGRESS;
 527
 528         return osd_scrub_dump(m, dev);
 529 }
 530 LPROC_SEQ_FOPS_RO(ldiskfs_osd_oi_scrub);
 531
 532 static int ldiskfs_osd_readcache_seq_show(struct seq_file *m, void *data)
 533 {
 534         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 535
 536         LASSERT(osd != NULL);
 537         if (unlikely(osd->od_mnt == NULL))
 538                 return -EINPROGRESS;
 539
 540         seq_printf(m, LPU64"\n", osd->od_readcache_max_filesize);
 541         return 0;
 542 }
 543
 544 static ssize_t
 545 ldiskfs_osd_readcache_seq_write(struct file *file, const char *buffer,
 546                                 size_t count, loff_t *off)
 547 {
 548         struct seq_file *m = file->private_data;
 549         struct dt_device *dt = m->private;
 550         struct osd_device *osd = osd_dt_dev(dt);
 551         __s64 val;
 552         int rc;
 553
 554         LASSERT(osd != NULL);
 555         if (unlikely(osd->od_mnt == NULL))
 556                 return -EINPROGRESS;
 557
 558         rc = lprocfs_str_to_s64(buffer, count, &val);
 559         if (rc)
 560                 return rc;
 561         if (val < 0)
 562                 return -ERANGE;
 563
 564         osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
 565                                          OSD_MAX_CACHE_SIZE : val;
 566         return count;
 567 }
 568 LPROC_SEQ_FOPS(ldiskfs_osd_readcache);
 569
 570 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
 571 static int ldiskfs_osd_index_in_idif_seq_show(struct seq_file *m, void *data)
 572 {
 573         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 574
 575         LASSERT(dev != NULL);
 576         if (unlikely(dev->od_mnt == NULL))
 577                 return -EINPROGRESS;
 578
 579         seq_printf(m, "%d\n", (int)(dev->od_index_in_idif));
 580         return 0;
 581 }
 582
 583 static ssize_t
 584 ldiskfs_osd_index_in_idif_seq_write(struct file *file, const char *buffer,
 585                                     size_t count, loff_t *off)
 586 {
 587         struct lu_env env;
 588         struct seq_file *m = file->private_data;
 589         struct dt_device *dt = m->private;
 590         struct osd_device *dev = osd_dt_dev(dt);
 591         struct lu_target *tgt;
 592         __s64 val;
 593         int rc;
 594
 595         LASSERT(dev != NULL);
 596         if (unlikely(dev->od_mnt == NULL))
 597                 return -EINPROGRESS;
 598
 599         rc = lprocfs_str_to_s64(buffer, count, &val);
 600         if (rc != 0)
 601                 return rc;
 602
 603         if (dev->od_index_in_idif) {
 604                 if (val != 0)
 605                         return count;
 606
 607                 LCONSOLE_WARN("%s: OST-index in IDIF has been enabled, "
 608                               "it cannot be reverted back.\n", osd_name(dev));
 609                 return -EPERM;
 610         }
 611
 612         if (val == 0)
 613                 return count;
 614
 615         rc = lu_env_init(&env, LCT_DT_THREAD);
 616         if (rc != 0)
 617                 return rc;
 618
 619         tgt = dev->od_dt_dev.dd_lu_dev.ld_site->ls_tgt;
 620         tgt->lut_lsd.lsd_feature_rocompat |= OBD_ROCOMPAT_IDX_IN_IDIF;
 621         rc = tgt_server_data_update(&env, tgt, 1);
 622         lu_env_fini(&env);
 623         if (rc < 0)
 624                 return rc;
 625
 626         LCONSOLE_INFO("%s: enable OST-index in IDIF successfully, "
 627                       "it cannot be reverted back.\n", osd_name(dev));
 628
 629         dev->od_index_in_idif = 1;
 630         return count;
 631 }
 632 LPROC_SEQ_FOPS(ldiskfs_osd_index_in_idif);
 633
 634 int osd_register_proc_index_in_idif(struct osd_device *osd)
 635 {
 636         struct proc_dir_entry *proc;
 637
 638         proc = proc_create_data("index_in_idif", 0, osd->od_proc_entry,
 639                                 &ldiskfs_osd_index_in_idif_fops,
 640                                 &osd->od_dt_dev);
 641         if (proc == NULL)
 642                 return -ENOMEM;
 643
 644         return 0;
 645 }
 646 #endif
 647
 648 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_blksize);
 649 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytestotal);
 650 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesfree);
 651 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesavail);
 652 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filestotal);
 653 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filesfree);
 654
 655 struct lprocfs_vars lprocfs_osd_obd_vars[] = {
 656         { .name =       "blocksize",
 657           .fops =       &ldiskfs_dt_blksize_fops        },
 658         { .name =       "kbytestotal",
 659           .fops =       &ldiskfs_dt_kbytestotal_fops    },
 660         { .name =       "kbytesfree",
 661           .fops =       &ldiskfs_dt_kbytesfree_fops     },
 662         { .name =       "kbytesavail",
 663           .fops =       &ldiskfs_dt_kbytesavail_fops    },
 664         { .name =       "filestotal",
 665           .fops =       &ldiskfs_dt_filestotal_fops     },
 666         { .name =       "filesfree",
 667           .fops =       &ldiskfs_dt_filesfree_fops      },
 668         { .name =       "fstype",
 669           .fops =       &ldiskfs_osd_fstype_fops        },
 670         { .name =       "mntdev",
 671           .fops =       &ldiskfs_osd_mntdev_fops        },
 672         { .name =       "force_sync",
 673           .fops =       &ldiskfs_osd_force_sync_fops    },
 674         { .name =       "pdo",
 675           .fops =       &ldiskfs_osd_pdo_fops           },
 676         { .name =       "auto_scrub",
 677           .fops =       &ldiskfs_osd_auto_scrub_fops    },
 678         { .name =       "full_scrub_ratio",
 679           .fops =       &ldiskfs_osd_full_scrub_ratio_fops      },
 680         { .name =       "full_scrub_threshold_rate",
 681           .fops =       &ldiskfs_osd_full_scrub_threshold_rate_fops     },
 682         { .name =       "oi_scrub",
 683           .fops =       &ldiskfs_osd_oi_scrub_fops      },
 684         { .name =       "read_cache_enable",
 685           .fops =       &ldiskfs_osd_cache_fops         },
 686         { .name =       "writethrough_cache_enable",
 687           .fops =       &ldiskfs_osd_wcache_fops        },
 688         { .name =       "readcache_max_filesize",
 689           .fops =       &ldiskfs_osd_readcache_fops     },
 690         { NULL }
 691 };
 692
 693 struct lprocfs_vars lprocfs_osd_module_vars[] = {
 694         { .name =       "track_declares_assert",
 695           .fops =       &ldiskfs_osd_track_declares_assert_fops         },
 696         { NULL }
 697 };
 698
 699
 700 int osd_procfs_init(struct osd_device *osd, const char *name)
 701 {
 702         struct obd_type *type;
 703         int             rc;
 704         ENTRY;
 705
 706         if (osd->od_proc_entry)
 707                 RETURN(0);
 708
 709         /* at the moment there is no linkage between lu_type
 710          * and obd_type, so we lookup obd_type this way */
 711         type = class_search_type(LUSTRE_OSD_LDISKFS_NAME);
 712
 713         LASSERT(name != NULL);
 714         LASSERT(type != NULL);
 715
 716         /* Find the type procroot and add the proc entry for this device */
 717         osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
 718                                               lprocfs_osd_obd_vars,
 719                                               &osd->od_dt_dev);
 720         if (IS_ERR(osd->od_proc_entry)) {
 721                 rc = PTR_ERR(osd->od_proc_entry);
 722                 CERROR("Error %d setting up lprocfs for %s\n",
 723                        rc, name);
 724                 osd->od_proc_entry = NULL;
 725                 GOTO(out, rc);
 726         }
 727
 728         rc = osd_stats_init(osd);
 729
 730         EXIT;
 731 out:
 732         if (rc)
 733                 osd_procfs_fini(osd);
 734         return rc;
 735 }
 736
 737 int osd_procfs_fini(struct osd_device *osd)
 738 {
 739         if (osd->od_stats)
 740                 lprocfs_free_stats(&osd->od_stats);
 741
 742         if (osd->od_proc_entry)
 743                 lprocfs_remove(&osd->od_proc_entry);
 744         RETURN(0);
 745 }
 746 #endif