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, 2014, 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         return seq_printf(m, "ldiskfs\n");
 247 }
 248 LPROC_SEQ_FOPS_RO(ldiskfs_osd_fstype);
 249
 250 static int ldiskfs_osd_mntdev_seq_show(struct seq_file *m, void *data)
 251 {
 252         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 253
 254         LASSERT(osd != NULL);
 255         if (unlikely(osd->od_mnt == NULL))
 256                 return -EINPROGRESS;
 257
 258         return seq_printf(m, "%s\n", osd->od_mntdev);
 259 }
 260 LPROC_SEQ_FOPS_RO(ldiskfs_osd_mntdev);
 261
 262 static int ldiskfs_osd_cache_seq_show(struct seq_file *m, void *data)
 263 {
 264         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 265
 266         LASSERT(osd != NULL);
 267         if (unlikely(osd->od_mnt == NULL))
 268                 return -EINPROGRESS;
 269
 270         return seq_printf(m, "%u\n", osd->od_read_cache);
 271 }
 272
 273 static ssize_t
 274 ldiskfs_osd_cache_seq_write(struct file *file, const char *buffer,
 275                             size_t count, loff_t *off)
 276 {
 277         struct seq_file   *m = file->private_data;
 278         struct dt_device  *dt = m->private;
 279         struct osd_device *osd = osd_dt_dev(dt);
 280         int                val, rc;
 281
 282         LASSERT(osd != NULL);
 283         if (unlikely(osd->od_mnt == NULL))
 284                 return -EINPROGRESS;
 285
 286         rc = lprocfs_write_helper(buffer, count, &val);
 287         if (rc)
 288                 return rc;
 289
 290         osd->od_read_cache = !!val;
 291         return count;
 292 }
 293 LPROC_SEQ_FOPS(ldiskfs_osd_cache);
 294
 295 static int ldiskfs_osd_wcache_seq_show(struct seq_file *m, void *data)
 296 {
 297         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 298
 299         LASSERT(osd != NULL);
 300         if (unlikely(osd->od_mnt == NULL))
 301                 return -EINPROGRESS;
 302
 303         return seq_printf(m, "%u\n", osd->od_writethrough_cache);
 304 }
 305
 306 static ssize_t
 307 ldiskfs_osd_wcache_seq_write(struct file *file, const char *buffer,
 308                                 size_t count, loff_t *off)
 309 {
 310         struct seq_file   *m = file->private_data;
 311         struct dt_device  *dt = m->private;
 312         struct osd_device *osd = osd_dt_dev(dt);
 313         int                val, rc;
 314
 315         LASSERT(osd != NULL);
 316         if (unlikely(osd->od_mnt == NULL))
 317                 return -EINPROGRESS;
 318
 319         rc = lprocfs_write_helper(buffer, count, &val);
 320         if (rc)
 321                 return rc;
 322
 323         osd->od_writethrough_cache = !!val;
 324         return count;
 325 }
 326 LPROC_SEQ_FOPS(ldiskfs_osd_wcache);
 327
 328 static ssize_t
 329 lprocfs_osd_force_sync_seq_write(struct file *file, const char *buffer,
 330                                         size_t count, loff_t *off)
 331 {
 332         struct seq_file   *m = file->private_data;
 333         struct dt_device  *dt = m->private;
 334         struct osd_device *osd = osd_dt_dev(dt);
 335         struct lu_env      env;
 336         int                rc;
 337
 338         LASSERT(osd != NULL);
 339         if (unlikely(osd->od_mnt == NULL))
 340                 return -EINPROGRESS;
 341
 342         rc = lu_env_init(&env, LCT_LOCAL);
 343         if (rc)
 344                 return rc;
 345         rc = dt_sync(&env, dt);
 346         lu_env_fini(&env);
 347
 348         return rc == 0 ? count : rc;
 349 }
 350 LPROC_SEQ_FOPS_WO_TYPE(ldiskfs, osd_force_sync);
 351
 352 static int ldiskfs_osd_pdo_seq_show(struct seq_file *m, void *data)
 353 {
 354         return seq_printf(m, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
 355 }
 356
 357 static ssize_t
 358 ldiskfs_osd_pdo_seq_write(struct file *file, const char *buffer,
 359                                 size_t count, loff_t *off)
 360 {
 361         int pdo, rc;
 362
 363         rc = lprocfs_write_helper(buffer, count, &pdo);
 364         if (rc != 0)
 365                 return rc;
 366
 367         ldiskfs_pdo = !!pdo;
 368
 369         return count;
 370 }
 371 LPROC_SEQ_FOPS(ldiskfs_osd_pdo);
 372
 373 static int ldiskfs_osd_auto_scrub_seq_show(struct seq_file *m, void *data)
 374 {
 375         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 376
 377         LASSERT(dev != NULL);
 378         if (unlikely(dev->od_mnt == NULL))
 379                 return -EINPROGRESS;
 380
 381         return seq_printf(m, "%d\n", !dev->od_noscrub);
 382 }
 383
 384 static ssize_t
 385 ldiskfs_osd_auto_scrub_seq_write(struct file *file, const char *buffer,
 386                                         size_t count, loff_t *off)
 387 {
 388         struct seq_file   *m = file->private_data;
 389         struct dt_device  *dt = m->private;
 390         struct osd_device *dev = osd_dt_dev(dt);
 391         int val, rc;
 392
 393         LASSERT(dev != NULL);
 394         if (unlikely(dev->od_mnt == NULL))
 395                 return -EINPROGRESS;
 396
 397         rc = lprocfs_write_helper(buffer, count, &val);
 398         if (rc)
 399                 return rc;
 400
 401         dev->od_noscrub = !val;
 402         return count;
 403 }
 404 LPROC_SEQ_FOPS(ldiskfs_osd_auto_scrub);
 405
 406 static int ldiskfs_osd_full_scrub_ratio_seq_show(struct seq_file *m, void *data)
 407 {
 408         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 409
 410         LASSERT(dev != NULL);
 411         if (unlikely(dev->od_mnt == NULL))
 412                 return -EINPROGRESS;
 413
 414         return seq_printf(m, LPU64"\n", dev->od_full_scrub_ratio);
 415 }
 416
 417 static ssize_t
 418 ldiskfs_osd_full_scrub_ratio_seq_write(struct file *file, const char *buffer,
 419                                        size_t count, loff_t *off)
 420 {
 421         struct seq_file   *m = file->private_data;
 422         struct dt_device  *dt = m->private;
 423         struct osd_device *dev = osd_dt_dev(dt);
 424         int val, rc;
 425
 426         LASSERT(dev != NULL);
 427         if (unlikely(dev->od_mnt == NULL))
 428                 return -EINPROGRESS;
 429
 430         rc = lprocfs_write_helper(buffer, count, &val);
 431         if (rc != 0)
 432                 return rc;
 433
 434         if (val < 0)
 435                 return -EINVAL;
 436
 437         dev->od_full_scrub_ratio = val;
 438         return count;
 439 }
 440 LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_ratio);
 441
 442 static int ldiskfs_osd_full_scrub_threshold_rate_seq_show(struct seq_file *m,
 443                                                           void *data)
 444 {
 445         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 446
 447         LASSERT(dev != NULL);
 448         if (unlikely(dev->od_mnt == NULL))
 449                 return -EINPROGRESS;
 450
 451         return seq_printf(m, LPU64" (bad OI mappings/minute)\n",
 452                           dev->od_full_scrub_threshold_rate);
 453 }
 454
 455 static ssize_t
 456 ldiskfs_osd_full_scrub_threshold_rate_seq_write(struct file *file,
 457                                                 const char *buffer,
 458                                                 size_t count, loff_t *off)
 459 {
 460         struct seq_file   *m = file->private_data;
 461         struct dt_device  *dt = m->private;
 462         struct osd_device *dev = osd_dt_dev(dt);
 463         int val, rc;
 464
 465         LASSERT(dev != NULL);
 466         if (unlikely(dev->od_mnt == NULL))
 467                 return -EINPROGRESS;
 468
 469         rc = lprocfs_write_helper(buffer, count, &val);
 470         if (rc != 0)
 471                 return rc;
 472
 473         if (val < 0)
 474                 return -EINVAL;
 475
 476         dev->od_full_scrub_threshold_rate = val;
 477         return count;
 478 }
 479 LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_threshold_rate);
 480
 481 static int
 482 ldiskfs_osd_track_declares_assert_seq_show(struct seq_file *m, void *data)
 483 {
 484         return seq_printf(m, "%d\n", ldiskfs_track_declares_assert);
 485 }
 486
 487 static ssize_t
 488 ldiskfs_osd_track_declares_assert_seq_write(struct file *file,
 489                                                 const char *buffer,
 490                                                 size_t count, loff_t *off)
 491 {
 492         int     track_declares_assert;
 493         int     rc;
 494
 495         rc = lprocfs_write_helper(buffer, count, &track_declares_assert);
 496         if (rc != 0)
 497                 return rc;
 498
 499         ldiskfs_track_declares_assert = !!track_declares_assert;
 500
 501         return count;
 502 }
 503 LPROC_SEQ_FOPS(ldiskfs_osd_track_declares_assert);
 504
 505 static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
 506 {
 507         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 508
 509         LASSERT(dev != NULL);
 510         if (unlikely(dev->od_mnt == NULL))
 511                 return -EINPROGRESS;
 512
 513         return osd_scrub_dump(m, dev);
 514 }
 515 LPROC_SEQ_FOPS_RO(ldiskfs_osd_oi_scrub);
 516
 517 static int ldiskfs_osd_readcache_seq_show(struct seq_file *m, void *data)
 518 {
 519         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 520
 521         LASSERT(osd != NULL);
 522         if (unlikely(osd->od_mnt == NULL))
 523                 return -EINPROGRESS;
 524
 525         return seq_printf(m, LPU64"\n", osd->od_readcache_max_filesize);
 526 }
 527
 528 static ssize_t
 529 ldiskfs_osd_readcache_seq_write(struct file *file, const char *buffer,
 530                                 size_t count, loff_t *off)
 531 {
 532         struct seq_file   *m = file->private_data;
 533         struct dt_device  *dt = m->private;
 534         struct osd_device *osd = osd_dt_dev(dt);
 535         __u64              val;
 536         int                rc;
 537
 538         LASSERT(osd != NULL);
 539         if (unlikely(osd->od_mnt == NULL))
 540                 return -EINPROGRESS;
 541
 542         rc = lprocfs_write_u64_helper(buffer, count, &val);
 543         if (rc)
 544                 return rc;
 545
 546         osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
 547                                          OSD_MAX_CACHE_SIZE : val;
 548         return count;
 549 }
 550 LPROC_SEQ_FOPS(ldiskfs_osd_readcache);
 551
 552 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
 553 static int ldiskfs_osd_index_in_idif_seq_show(struct seq_file *m, void *data)
 554 {
 555         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 556
 557         LASSERT(dev != NULL);
 558         if (unlikely(dev->od_mnt == NULL))
 559                 return -EINPROGRESS;
 560
 561         return seq_printf(m, "%d\n", (int)(dev->od_index_in_idif));
 562 }
 563
 564 static ssize_t
 565 ldiskfs_osd_index_in_idif_seq_write(struct file *file, const char *buffer,
 566                                     size_t count, loff_t *off)
 567 {
 568         struct lu_env            env;
 569         struct seq_file         *m      = file->private_data;
 570         struct dt_device        *dt     = m->private;
 571         struct osd_device       *dev    = osd_dt_dev(dt);
 572         struct lu_target        *tgt;
 573         int                      val;
 574         int                      rc;
 575
 576         LASSERT(dev != NULL);
 577         if (unlikely(dev->od_mnt == NULL))
 578                 return -EINPROGRESS;
 579
 580         rc = lprocfs_write_helper(buffer, count, &val);
 581         if (rc != 0)
 582                 return rc;
 583
 584         if (dev->od_index_in_idif) {
 585                 if (val != 0)
 586                         return count;
 587
 588                 LCONSOLE_WARN("%s: OST-index in IDIF has been enabled, "
 589                               "it cannot be reverted back.\n", osd_name(dev));
 590                 return -EPERM;
 591         }
 592
 593         if (val == 0)
 594                 return count;
 595
 596         rc = lu_env_init(&env, LCT_DT_THREAD);
 597         if (rc != 0)
 598                 return rc;
 599
 600         tgt = dev->od_dt_dev.dd_lu_dev.ld_site->ls_tgt;
 601         tgt->lut_lsd.lsd_feature_rocompat |= OBD_ROCOMPAT_IDX_IN_IDIF;
 602         rc = tgt_server_data_update(&env, tgt, 1);
 603         lu_env_fini(&env);
 604         if (rc < 0)
 605                 return rc;
 606
 607         LCONSOLE_INFO("%s: enable OST-index in IDIF successfully, "
 608                       "it cannot be reverted back.\n", osd_name(dev));
 609
 610         dev->od_index_in_idif = 1;
 611         return count;
 612 }
 613 LPROC_SEQ_FOPS(ldiskfs_osd_index_in_idif);
 614
 615 int osd_register_proc_index_in_idif(struct osd_device *osd)
 616 {
 617         struct proc_dir_entry *proc;
 618
 619         proc = proc_create_data("index_in_idif", 0, osd->od_proc_entry,
 620                                 &ldiskfs_osd_index_in_idif_fops,
 621                                 &osd->od_dt_dev);
 622         if (proc == NULL)
 623                 return -ENOMEM;
 624
 625         return 0;
 626 }
 627 #endif
 628
 629 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_blksize);
 630 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytestotal);
 631 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesfree);
 632 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesavail);
 633 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filestotal);
 634 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filesfree);
 635
 636 struct lprocfs_vars lprocfs_osd_obd_vars[] = {
 637         { .name =       "blocksize",
 638           .fops =       &ldiskfs_dt_blksize_fops        },
 639         { .name =       "kbytestotal",
 640           .fops =       &ldiskfs_dt_kbytestotal_fops    },
 641         { .name =       "kbytesfree",
 642           .fops =       &ldiskfs_dt_kbytesfree_fops     },
 643         { .name =       "kbytesavail",
 644           .fops =       &ldiskfs_dt_kbytesavail_fops    },
 645         { .name =       "filestotal",
 646           .fops =       &ldiskfs_dt_filestotal_fops     },
 647         { .name =       "filesfree",
 648           .fops =       &ldiskfs_dt_filesfree_fops      },
 649         { .name =       "fstype",
 650           .fops =       &ldiskfs_osd_fstype_fops        },
 651         { .name =       "mntdev",
 652           .fops =       &ldiskfs_osd_mntdev_fops        },
 653         { .name =       "force_sync",
 654           .fops =       &ldiskfs_osd_force_sync_fops    },
 655         { .name =       "pdo",
 656           .fops =       &ldiskfs_osd_pdo_fops           },
 657         { .name =       "auto_scrub",
 658           .fops =       &ldiskfs_osd_auto_scrub_fops    },
 659         { .name =       "full_scrub_ratio",
 660           .fops =       &ldiskfs_osd_full_scrub_ratio_fops      },
 661         { .name =       "full_scrub_threshold_rate",
 662           .fops =       &ldiskfs_osd_full_scrub_threshold_rate_fops     },
 663         { .name =       "oi_scrub",
 664           .fops =       &ldiskfs_osd_oi_scrub_fops      },
 665         { .name =       "read_cache_enable",
 666           .fops =       &ldiskfs_osd_cache_fops         },
 667         { .name =       "writethrough_cache_enable",
 668           .fops =       &ldiskfs_osd_wcache_fops        },
 669         { .name =       "readcache_max_filesize",
 670           .fops =       &ldiskfs_osd_readcache_fops     },
 671         { NULL }
 672 };
 673
 674 struct lprocfs_vars lprocfs_osd_module_vars[] = {
 675         { .name =       "track_declares_assert",
 676           .fops =       &ldiskfs_osd_track_declares_assert_fops         },
 677         { NULL }
 678 };
 679
 680
 681 int osd_procfs_init(struct osd_device *osd, const char *name)
 682 {
 683         struct obd_type *type;
 684         int             rc;
 685         ENTRY;
 686
 687         if (osd->od_proc_entry)
 688                 RETURN(0);
 689
 690         /* at the moment there is no linkage between lu_type
 691          * and obd_type, so we lookup obd_type this way */
 692         type = class_search_type(LUSTRE_OSD_LDISKFS_NAME);
 693
 694         LASSERT(name != NULL);
 695         LASSERT(type != NULL);
 696
 697         /* Find the type procroot and add the proc entry for this device */
 698         osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
 699                                               lprocfs_osd_obd_vars,
 700                                               &osd->od_dt_dev);
 701         if (IS_ERR(osd->od_proc_entry)) {
 702                 rc = PTR_ERR(osd->od_proc_entry);
 703                 CERROR("Error %d setting up lprocfs for %s\n",
 704                        rc, name);
 705                 osd->od_proc_entry = NULL;
 706                 GOTO(out, rc);
 707         }
 708
 709         rc = osd_stats_init(osd);
 710
 711         EXIT;
 712 out:
 713         if (rc)
 714                 osd_procfs_fini(osd);
 715         return rc;
 716 }
 717
 718 int osd_procfs_fini(struct osd_device *osd)
 719 {
 720         if (osd->od_stats)
 721                 lprocfs_free_stats(&osd->od_stats);
 722
 723         if (osd->od_proc_entry)
 724                 lprocfs_remove(&osd->od_proc_entry);
 725         RETURN(0);
 726 }
 727 #endif