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,
 177                                        const char __user *buf,
 178                                        size_t len, loff_t *off)
 179 {
 180         struct seq_file *seq = file->private_data;
 181         struct osd_device *osd = seq->private;
 182         int i;
 183
 184         for (i = 0; i < BRW_LAST; i++)
 185                 lprocfs_oh_clear(&osd->od_brw_stats.hist[i]);
 186
 187         return len;
 188 }
 189
 190 LPROC_SEQ_FOPS(osd_brw_stats);
 191
 192 static int osd_stats_init(struct osd_device *osd)
 193 {
 194         int i, result;
 195         ENTRY;
 196
 197         for (i = 0; i < BRW_LAST; i++)
 198                 spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
 199
 200         osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
 201         if (osd->od_stats != NULL) {
 202                 result = lprocfs_register_stats(osd->od_proc_entry, "stats",
 203                                                 osd->od_stats);
 204                 if (result)
 205                         GOTO(out, result);
 206
 207                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_GET_PAGE,
 208                                      LPROCFS_CNTR_AVGMINMAX|LPROCFS_CNTR_STDDEV,
 209                                      "get_page", "usec");
 210                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_NO_PAGE,
 211                                      LPROCFS_CNTR_AVGMINMAX,
 212                                      "get_page_failures", "num");
 213                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_ACCESS,
 214                                      LPROCFS_CNTR_AVGMINMAX,
 215                                      "cache_access", "pages");
 216                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_HIT,
 217                                      LPROCFS_CNTR_AVGMINMAX,
 218                                      "cache_hit", "pages");
 219                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_CACHE_MISS,
 220                                      LPROCFS_CNTR_AVGMINMAX,
 221                                      "cache_miss", "pages");
 222 #if OSD_THANDLE_STATS
 223                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_STARTING,
 224                                      LPROCFS_CNTR_AVGMINMAX,
 225                                      "thandle starting", "usec");
 226                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_OPEN,
 227                                      LPROCFS_CNTR_AVGMINMAX,
 228                                      "thandle open", "usec");
 229                 lprocfs_counter_init(osd->od_stats, LPROC_OSD_THANDLE_CLOSING,
 230                                      LPROCFS_CNTR_AVGMINMAX,
 231                                      "thandle closing", "usec");
 232 #endif
 233                 result = lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
 234                                             0644, &osd_brw_stats_fops, osd);
 235         } else
 236                 result = -ENOMEM;
 237
 238 out:
 239         RETURN(result);
 240 }
 241
 242 static int ldiskfs_osd_fstype_seq_show(struct seq_file *m, void *data)
 243 {
 244         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 245
 246         LASSERT(osd != NULL);
 247         seq_puts(m, "ldiskfs\n");
 248         return 0;
 249 }
 250 LPROC_SEQ_FOPS_RO(ldiskfs_osd_fstype);
 251
 252 static int ldiskfs_osd_mntdev_seq_show(struct seq_file *m, void *data)
 253 {
 254         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 255
 256         LASSERT(osd != NULL);
 257         if (unlikely(osd->od_mnt == NULL))
 258                 return -EINPROGRESS;
 259
 260         seq_printf(m, "%s\n", osd->od_mntdev);
 261         return 0;
 262 }
 263 LPROC_SEQ_FOPS_RO(ldiskfs_osd_mntdev);
 264
 265 static int ldiskfs_osd_cache_seq_show(struct seq_file *m, void *data)
 266 {
 267         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 268
 269         LASSERT(osd != NULL);
 270         if (unlikely(osd->od_mnt == NULL))
 271                 return -EINPROGRESS;
 272
 273         seq_printf(m, "%u\n", osd->od_read_cache);
 274         return 0;
 275 }
 276
 277 static ssize_t
 278 ldiskfs_osd_cache_seq_write(struct file *file, const char __user *buffer,
 279                             size_t count, loff_t *off)
 280 {
 281         struct seq_file *m = file->private_data;
 282         struct dt_device *dt = m->private;
 283         struct osd_device *osd = osd_dt_dev(dt);
 284         int rc;
 285         __s64 val;
 286
 287         LASSERT(osd != NULL);
 288         if (unlikely(osd->od_mnt == NULL))
 289                 return -EINPROGRESS;
 290
 291         rc = lprocfs_str_to_s64(buffer, count, &val);
 292         if (rc)
 293                 return rc;
 294
 295         osd->od_read_cache = !!val;
 296         return count;
 297 }
 298 LPROC_SEQ_FOPS(ldiskfs_osd_cache);
 299
 300 static int ldiskfs_osd_wcache_seq_show(struct seq_file *m, void *data)
 301 {
 302         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 303
 304         LASSERT(osd != NULL);
 305         if (unlikely(osd->od_mnt == NULL))
 306                 return -EINPROGRESS;
 307
 308         seq_printf(m, "%u\n", osd->od_writethrough_cache);
 309         return 0;
 310 }
 311
 312 static ssize_t
 313 ldiskfs_osd_wcache_seq_write(struct file *file, const char __user *buffer,
 314                                 size_t count, loff_t *off)
 315 {
 316         struct seq_file *m = file->private_data;
 317         struct dt_device *dt = m->private;
 318         struct osd_device *osd = osd_dt_dev(dt);
 319         int rc;
 320         __s64 val;
 321
 322         LASSERT(osd != NULL);
 323         if (unlikely(osd->od_mnt == NULL))
 324                 return -EINPROGRESS;
 325
 326         rc = lprocfs_str_to_s64(buffer, count, &val);
 327         if (rc)
 328                 return rc;
 329
 330         osd->od_writethrough_cache = !!val;
 331         return count;
 332 }
 333 LPROC_SEQ_FOPS(ldiskfs_osd_wcache);
 334
 335 static ssize_t
 336 lprocfs_osd_force_sync_seq_write(struct file *file, const char __user *buffer,
 337                                         size_t count, loff_t *off)
 338 {
 339         struct seq_file   *m = file->private_data;
 340         struct dt_device  *dt = m->private;
 341         struct osd_device *osd = osd_dt_dev(dt);
 342         struct lu_env      env;
 343         int                rc;
 344
 345         LASSERT(osd != NULL);
 346         if (unlikely(osd->od_mnt == NULL))
 347                 return -EINPROGRESS;
 348
 349         rc = lu_env_init(&env, LCT_LOCAL);
 350         if (rc)
 351                 return rc;
 352         rc = dt_sync(&env, dt);
 353         lu_env_fini(&env);
 354
 355         return rc == 0 ? count : rc;
 356 }
 357 LPROC_SEQ_FOPS_WO_TYPE(ldiskfs, osd_force_sync);
 358
 359 static int ldiskfs_osd_pdo_seq_show(struct seq_file *m, void *data)
 360 {
 361         seq_printf(m, "%s\n", ldiskfs_pdo ? "ON" : "OFF");
 362         return 0;
 363 }
 364
 365 static ssize_t
 366 ldiskfs_osd_pdo_seq_write(struct file *file, const char __user *buffer,
 367                                 size_t count, loff_t *off)
 368 {
 369         int rc;
 370         __s64 pdo;
 371
 372         rc = lprocfs_str_to_s64(buffer, count, &pdo);
 373         if (rc != 0)
 374                 return rc;
 375
 376         ldiskfs_pdo = !!pdo;
 377
 378         return count;
 379 }
 380 LPROC_SEQ_FOPS(ldiskfs_osd_pdo);
 381
 382 static int ldiskfs_osd_auto_scrub_seq_show(struct seq_file *m, void *data)
 383 {
 384         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 385
 386         LASSERT(dev != NULL);
 387         if (unlikely(dev->od_mnt == NULL))
 388                 return -EINPROGRESS;
 389
 390         seq_printf(m, "%d\n", !dev->od_noscrub);
 391         return 0;
 392 }
 393
 394 static ssize_t
 395 ldiskfs_osd_auto_scrub_seq_write(struct file *file, const char __user *buffer,
 396                                         size_t count, loff_t *off)
 397 {
 398         struct seq_file *m = file->private_data;
 399         struct dt_device *dt = m->private;
 400         struct osd_device *dev = osd_dt_dev(dt);
 401         int rc;
 402         __s64 val;
 403
 404         LASSERT(dev != NULL);
 405         if (unlikely(dev->od_mnt == NULL))
 406                 return -EINPROGRESS;
 407
 408         rc = lprocfs_str_to_s64(buffer, count, &val);
 409         if (rc)
 410                 return rc;
 411
 412         dev->od_noscrub = !val;
 413         return count;
 414 }
 415 LPROC_SEQ_FOPS(ldiskfs_osd_auto_scrub);
 416
 417 static int ldiskfs_osd_full_scrub_ratio_seq_show(struct seq_file *m, void *data)
 418 {
 419         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 420
 421         LASSERT(dev != NULL);
 422         if (unlikely(dev->od_mnt == NULL))
 423                 return -EINPROGRESS;
 424
 425         seq_printf(m, LPU64"\n", dev->od_full_scrub_ratio);
 426         return 0;
 427 }
 428
 429 static ssize_t
 430 ldiskfs_osd_full_scrub_ratio_seq_write(struct file *file,
 431                                        const char __user *buffer,
 432                                        size_t count, loff_t *off)
 433 {
 434         struct seq_file *m = file->private_data;
 435         struct dt_device *dt = m->private;
 436         struct osd_device *dev = osd_dt_dev(dt);
 437         int rc;
 438         __s64 val;
 439
 440         LASSERT(dev != NULL);
 441         if (unlikely(dev->od_mnt == NULL))
 442                 return -EINPROGRESS;
 443
 444         rc = lprocfs_str_to_s64(buffer, count, &val);
 445         if (rc != 0)
 446                 return rc;
 447
 448         if (val < 0)
 449                 return -EINVAL;
 450
 451         dev->od_full_scrub_ratio = val;
 452         return count;
 453 }
 454 LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_ratio);
 455
 456 static int ldiskfs_osd_full_scrub_threshold_rate_seq_show(struct seq_file *m,
 457                                                           void *data)
 458 {
 459         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 460
 461         LASSERT(dev != NULL);
 462         if (unlikely(dev->od_mnt == NULL))
 463                 return -EINPROGRESS;
 464
 465         seq_printf(m, LPU64" (bad OI mappings/minute)\n",
 466                    dev->od_full_scrub_threshold_rate);
 467         return 0;
 468 }
 469
 470 static ssize_t
 471 ldiskfs_osd_full_scrub_threshold_rate_seq_write(struct file *file,
 472                                                 const char __user *buffer,
 473                                                 size_t count, loff_t *off)
 474 {
 475         struct seq_file *m = file->private_data;
 476         struct dt_device *dt = m->private;
 477         struct osd_device *dev = osd_dt_dev(dt);
 478         int rc;
 479         __s64 val;
 480
 481         LASSERT(dev != NULL);
 482         if (unlikely(dev->od_mnt == NULL))
 483                 return -EINPROGRESS;
 484
 485         rc = lprocfs_str_to_s64(buffer, count, &val);
 486         if (rc != 0)
 487                 return rc;
 488
 489         if (val < 0)
 490                 return -EINVAL;
 491
 492         dev->od_full_scrub_threshold_rate = val;
 493         return count;
 494 }
 495 LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_threshold_rate);
 496
 497 static int
 498 ldiskfs_osd_track_declares_assert_seq_show(struct seq_file *m, void *data)
 499 {
 500         seq_printf(m, "%d\n", ldiskfs_track_declares_assert);
 501         return 0;
 502 }
 503
 504 static ssize_t
 505 ldiskfs_osd_track_declares_assert_seq_write(struct file *file,
 506                                                 const char __user *buffer,
 507                                                 size_t count, loff_t *off)
 508 {
 509         __s64 track_declares_assert;
 510         int rc;
 511
 512         rc = lprocfs_str_to_s64(buffer, count, &track_declares_assert);
 513         if (rc != 0)
 514                 return rc;
 515
 516         ldiskfs_track_declares_assert = !!track_declares_assert;
 517
 518         return count;
 519 }
 520 LPROC_SEQ_FOPS(ldiskfs_osd_track_declares_assert);
 521
 522 static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
 523 {
 524         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 525
 526         LASSERT(dev != NULL);
 527         if (unlikely(dev->od_mnt == NULL))
 528                 return -EINPROGRESS;
 529
 530         return osd_scrub_dump(m, dev);
 531 }
 532 LPROC_SEQ_FOPS_RO(ldiskfs_osd_oi_scrub);
 533
 534 static int ldiskfs_osd_readcache_seq_show(struct seq_file *m, void *data)
 535 {
 536         struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
 537
 538         LASSERT(osd != NULL);
 539         if (unlikely(osd->od_mnt == NULL))
 540                 return -EINPROGRESS;
 541
 542         seq_printf(m, LPU64"\n", osd->od_readcache_max_filesize);
 543         return 0;
 544 }
 545
 546 static ssize_t
 547 ldiskfs_osd_readcache_seq_write(struct file *file, const char __user *buffer,
 548                                 size_t count, loff_t *off)
 549 {
 550         struct seq_file *m = file->private_data;
 551         struct dt_device *dt = m->private;
 552         struct osd_device *osd = osd_dt_dev(dt);
 553         __s64 val;
 554         int rc;
 555
 556         LASSERT(osd != NULL);
 557         if (unlikely(osd->od_mnt == NULL))
 558                 return -EINPROGRESS;
 559
 560         rc = lprocfs_str_to_s64(buffer, count, &val);
 561         if (rc)
 562                 return rc;
 563         if (val < 0)
 564                 return -ERANGE;
 565
 566         osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
 567                                          OSD_MAX_CACHE_SIZE : val;
 568         return count;
 569 }
 570 LPROC_SEQ_FOPS(ldiskfs_osd_readcache);
 571
 572 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
 573 static int ldiskfs_osd_index_in_idif_seq_show(struct seq_file *m, void *data)
 574 {
 575         struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
 576
 577         LASSERT(dev != NULL);
 578         if (unlikely(dev->od_mnt == NULL))
 579                 return -EINPROGRESS;
 580
 581         seq_printf(m, "%d\n", (int)(dev->od_index_in_idif));
 582         return 0;
 583 }
 584
 585 static ssize_t
 586 ldiskfs_osd_index_in_idif_seq_write(struct file *file,
 587                                     const char __user *buffer,
 588                                     size_t count, loff_t *off)
 589 {
 590         struct lu_env env;
 591         struct seq_file *m = file->private_data;
 592         struct dt_device *dt = m->private;
 593         struct osd_device *dev = osd_dt_dev(dt);
 594         struct lu_target *tgt;
 595         __s64 val;
 596         int rc;
 597
 598         LASSERT(dev != NULL);
 599         if (unlikely(dev->od_mnt == NULL))
 600                 return -EINPROGRESS;
 601
 602         rc = lprocfs_str_to_s64(buffer, count, &val);
 603         if (rc != 0)
 604                 return rc;
 605
 606         if (dev->od_index_in_idif) {
 607                 if (val != 0)
 608                         return count;
 609
 610                 LCONSOLE_WARN("%s: OST-index in IDIF has been enabled, "
 611                               "it cannot be reverted back.\n", osd_name(dev));
 612                 return -EPERM;
 613         }
 614
 615         if (val == 0)
 616                 return count;
 617
 618         rc = lu_env_init(&env, LCT_DT_THREAD);
 619         if (rc != 0)
 620                 return rc;
 621
 622         tgt = dev->od_dt_dev.dd_lu_dev.ld_site->ls_tgt;
 623         tgt->lut_lsd.lsd_feature_rocompat |= OBD_ROCOMPAT_IDX_IN_IDIF;
 624         rc = tgt_server_data_update(&env, tgt, 1);
 625         lu_env_fini(&env);
 626         if (rc < 0)
 627                 return rc;
 628
 629         LCONSOLE_INFO("%s: enable OST-index in IDIF successfully, "
 630                       "it cannot be reverted back.\n", osd_name(dev));
 631
 632         dev->od_index_in_idif = 1;
 633         return count;
 634 }
 635 LPROC_SEQ_FOPS(ldiskfs_osd_index_in_idif);
 636
 637 int osd_register_proc_index_in_idif(struct osd_device *osd)
 638 {
 639         struct proc_dir_entry *proc;
 640
 641         proc = proc_create_data("index_in_idif", 0, osd->od_proc_entry,
 642                                 &ldiskfs_osd_index_in_idif_fops,
 643                                 &osd->od_dt_dev);
 644         if (proc == NULL)
 645                 return -ENOMEM;
 646
 647         return 0;
 648 }
 649 #endif
 650
 651 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_blksize);
 652 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytestotal);
 653 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesfree);
 654 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_kbytesavail);
 655 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filestotal);
 656 LPROC_SEQ_FOPS_RO_TYPE(ldiskfs, dt_filesfree);
 657
 658 struct lprocfs_vars lprocfs_osd_obd_vars[] = {
 659         { .name =       "blocksize",
 660           .fops =       &ldiskfs_dt_blksize_fops        },
 661         { .name =       "kbytestotal",
 662           .fops =       &ldiskfs_dt_kbytestotal_fops    },
 663         { .name =       "kbytesfree",
 664           .fops =       &ldiskfs_dt_kbytesfree_fops     },
 665         { .name =       "kbytesavail",
 666           .fops =       &ldiskfs_dt_kbytesavail_fops    },
 667         { .name =       "filestotal",
 668           .fops =       &ldiskfs_dt_filestotal_fops     },
 669         { .name =       "filesfree",
 670           .fops =       &ldiskfs_dt_filesfree_fops      },
 671         { .name =       "fstype",
 672           .fops =       &ldiskfs_osd_fstype_fops        },
 673         { .name =       "mntdev",
 674           .fops =       &ldiskfs_osd_mntdev_fops        },
 675         { .name =       "force_sync",
 676           .fops =       &ldiskfs_osd_force_sync_fops    },
 677         { .name =       "pdo",
 678           .fops =       &ldiskfs_osd_pdo_fops           },
 679         { .name =       "auto_scrub",
 680           .fops =       &ldiskfs_osd_auto_scrub_fops    },
 681         { .name =       "full_scrub_ratio",
 682           .fops =       &ldiskfs_osd_full_scrub_ratio_fops      },
 683         { .name =       "full_scrub_threshold_rate",
 684           .fops =       &ldiskfs_osd_full_scrub_threshold_rate_fops     },
 685         { .name =       "oi_scrub",
 686           .fops =       &ldiskfs_osd_oi_scrub_fops      },
 687         { .name =       "read_cache_enable",
 688           .fops =       &ldiskfs_osd_cache_fops         },
 689         { .name =       "writethrough_cache_enable",
 690           .fops =       &ldiskfs_osd_wcache_fops        },
 691         { .name =       "readcache_max_filesize",
 692           .fops =       &ldiskfs_osd_readcache_fops     },
 693         { NULL }
 694 };
 695
 696 struct lprocfs_vars lprocfs_osd_module_vars[] = {
 697         { .name =       "track_declares_assert",
 698           .fops =       &ldiskfs_osd_track_declares_assert_fops         },
 699         { NULL }
 700 };
 701
 702
 703 int osd_procfs_init(struct osd_device *osd, const char *name)
 704 {
 705         struct obd_type *type;
 706         int             rc;
 707         ENTRY;
 708
 709         if (osd->od_proc_entry)
 710                 RETURN(0);
 711
 712         /* at the moment there is no linkage between lu_type
 713          * and obd_type, so we lookup obd_type this way */
 714         type = class_search_type(LUSTRE_OSD_LDISKFS_NAME);
 715
 716         LASSERT(name != NULL);
 717         LASSERT(type != NULL);
 718
 719         /* Find the type procroot and add the proc entry for this device */
 720         osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
 721                                               lprocfs_osd_obd_vars,
 722                                               &osd->od_dt_dev);
 723         if (IS_ERR(osd->od_proc_entry)) {
 724                 rc = PTR_ERR(osd->od_proc_entry);
 725                 CERROR("Error %d setting up lprocfs for %s\n",
 726                        rc, name);
 727                 osd->od_proc_entry = NULL;
 728                 GOTO(out, rc);
 729         }
 730
 731         rc = osd_stats_init(osd);
 732
 733         EXIT;
 734 out:
 735         if (rc)
 736                 osd_procfs_fini(osd);
 737         return rc;
 738 }
 739
 740 int osd_procfs_fini(struct osd_device *osd)
 741 {
 742         if (osd->od_stats)
 743                 lprocfs_free_stats(&osd->od_stats);
 744
 745         if (osd->od_proc_entry)
 746                 lprocfs_remove(&osd->od_proc_entry);
 747         RETURN(0);
 748 }
 749 #endif