lustre/utils/lustre_lfsck.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,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License version 2 for more details.  A copy is
  14  * included in the COPYING file that accompanied this code.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2012, 2016, Intel Corporation.
  24  */
  25 /*
  26  * lustre/utils/lustre_lfsck.c
  27  *
  28  * Lustre user-space tools for LFSCK.
  29  *
  30  * Author: Fan Yong <yong.fan@whamcloud.com>
  31  */
  32
  33 #include <stdio.h>
  34 #include <unistd.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <errno.h>
  38 #include <getopt.h>
  39 #include <sys/ioctl.h>
  40 #include <time.h>
  41
  42 #include "obdctl.h"
  43 #include "lustreapi_internal.h"
  44
  45 #include <lustre/lustre_lfsck_user.h>
  46 #include <lnet/lnetctl.h>
  47 #include <linux/lustre_ioctl.h>
  48 /* Needs to be last to avoid clashes */
  49 #include <libcfs/util/ioctl.h>
  50 #include <libcfs/util/param.h>
  51
  52 static struct option long_opt_start[] = {
  53         {"device",              required_argument, 0, 'M'},
  54         {"all",                 no_argument,       0, 'A'},
  55         {"create_ostobj",       optional_argument, 0, 'c'},
  56         {"create-ostobj",       optional_argument, 0, 'c'},
  57         {"create_mdtobj",       optional_argument, 0, 'C'},
  58         {"create-mdtobj",       optional_argument, 0, 'C'},
  59         {"delay_create_ostobj", optional_argument, 0, 'd'},
  60         {"delay-create-ostobj", optional_argument, 0, 'd'},
  61         {"error",               required_argument, 0, 'e'},
  62         {"help",                no_argument,       0, 'h'},
  63         {"dryrun",              optional_argument, 0, 'n'},
  64         {"orphan",              no_argument,       0, 'o'},
  65         {"reset",               no_argument,       0, 'r'},
  66         {"speed",               required_argument, 0, 's'},
  67         {"type",                required_argument, 0, 't'},
  68         {"window_size",         required_argument, 0, 'w'},
  69         {"window-size",         required_argument, 0, 'w'},
  70         {0,                     0,                 0,  0 }
  71 };
  72
  73 static struct option long_opt_stop[] = {
  74         { .val = 'A',   .name = "all",          .has_arg = no_argument },
  75         { .val = 'h',   .name = "help",         .has_arg = no_argument },
  76         { .val = 'M',   .name = "device",       .has_arg = required_argument },
  77         { .name = NULL } };
  78
  79 static struct option long_opt_query[] = {
  80         { .val = 'h',   .name = "help",         .has_arg = no_argument },
  81         { .val = 'M',   .name = "device",       .has_arg = required_argument },
  82         { .val = 't',   .name = "type",         .has_arg = required_argument },
  83         { .val = 'w',   .name = "wait",         .has_arg = no_argument },
  84         { .name = NULL } };
  85
  86 struct lfsck_type_name {
  87         char            *ltn_name;
  88         enum lfsck_type  ltn_type;
  89 };
  90
  91 static struct lfsck_type_name lfsck_types_names[] = {
  92         { .ltn_name = "all",            .ltn_type = LFSCK_TYPES_SUPPORTED },
  93         { .ltn_name = "default",        .ltn_type = LFSCK_TYPES_DEF },
  94         { .ltn_name = "layout",         .ltn_type = LFSCK_TYPE_LAYOUT },
  95         { .ltn_name = "namespace",      .ltn_type = LFSCK_TYPE_NAMESPACE },
  96         { .ltn_name = "scrub",          .ltn_type = LFSCK_TYPE_SCRUB },
  97         { .ltn_name = NULL } };
  98
  99 static enum lfsck_type lfsck_name2type(const char *name)
 100 {
 101         int i;
 102
 103         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
 104                 if (strcmp(lfsck_types_names[i].ltn_name, name) == 0)
 105                         return lfsck_types_names[i].ltn_type;
 106         }
 107         return -1;
 108 }
 109
 110 static const char *lfsck_type2name(__u16 type)
 111 {
 112         int i;
 113
 114         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
 115                 if (type == lfsck_types_names[i].ltn_type)
 116                         return lfsck_types_names[i].ltn_name;
 117         }
 118
 119         return NULL;
 120 }
 121
 122 static void usage_start(void)
 123 {
 124         fprintf(stderr, "start LFSCK\n"
 125                 "usage:\n"
 126                 "lfsck_start [-M | --device {MDT,OST}_device]\n"
 127                 "            [-A | --all] [-c | --create_ostobj [on | off]]\n"
 128                 "            [-C | --create_mdtobj [on | off]]\n"
 129                 "            [-d | --delay_create_ostobj [on | off]]\n"
 130                 "            [-e | --error {continue | abort}] [-h | --help]\n"
 131                 "            [-n | --dryrun [on | off]] [-o | --orphan]\n"
 132                 "            [-r | --reset] [-s | --speed ops_per_sec_limit]\n"
 133                 "            [-t | --type check_type[,check_type...]]\n"
 134                 "            [-w | --window_size size]\n"
 135                 "options:\n"
 136                 "-M: device to start LFSCK/scrub on\n"
 137                 "-A: start LFSCK on all nodes via the specified MDT device "
 138                     "(see \"-M\" option) by single LFSCK command\n"
 139                 "-c: create the lost OST-object for dangling LOV EA "
 140                     "(default 'off', or 'on')\n"
 141                 "-C: create the lost MDT-object for dangling name entry "
 142                     "(default 'off', or 'on')\n"
 143                 "-d: delay create the lost OST-object for dangling LOV EA "
 144                     "until orphan OST-objects handled (default 'off', or 'on')\n"
 145                 "-e: error handle mode (default 'continue', or 'abort')\n"
 146                 "-h: this help message\n"
 147                 "-n: check with no modification (default 'off', or 'on')\n"
 148                 "-o: repair orphan OST-objects\n"
 149                 "-r: reset scanning to the start of the device\n"
 150                 "-s: maximum items to be scanned per second "
 151                     "(default '%d' = no limit)\n"
 152                 "-t: check type(s) to be performed (default all)\n"
 153                 "-w: window size for async requests pipeline\n",
 154                 LFSCK_SPEED_NO_LIMIT);
 155 }
 156
 157 static void usage_stop(void)
 158 {
 159         fprintf(stderr, "stop LFSCK\n"
 160                 "usage:\n"
 161                 "lfsck_stop [-M | --device {MDT,OST}_device]\n"
 162                 "           [-A | --all] [-h | --help]\n"
 163                 "options:\n"
 164                 "-M: device to stop LFSCK/scrub on\n"
 165                 "-A: stop LFSCK on all nodes via the specified MDT device "
 166                     "(see \"-M\" option) by single LFSCK command\n"
 167                 "-h: this help message\n");
 168 }
 169
 170 static void usage_query(void)
 171 {
 172         fprintf(stderr, "check the LFSCK global status\n"
 173                 "usage:\n"
 174                 "lfsck_query [-M | --device MDT_device] [-h | --help]\n"
 175                 "            [-t | --type check_type[,check_type...]]\n"
 176                 "            [-t | --wait]\n"
 177                 "options:\n"
 178                 "-M: device to query LFSCK on\n"
 179                 "-t: LFSCK type(s) to be queried (default is all)\n"
 180                 "-h: this help message\n"
 181                 "-w: do not return until LFSCK not running\n");
 182 }
 183
 184 static int lfsck_pack_dev(struct obd_ioctl_data *data, char *device, char *arg)
 185 {
 186         int len = strlen(arg) + 1;
 187
 188         if (len > MAX_OBD_NAME) {
 189                 fprintf(stderr, "device name is too long. "
 190                         "Valid length should be less than %d\n", MAX_OBD_NAME);
 191                 return -EINVAL;
 192         }
 193
 194         memcpy(device, arg, len);
 195         data->ioc_inlbuf4 = device;
 196         data->ioc_inllen4 = len;
 197         data->ioc_dev = OBD_DEV_BY_DEVNAME;
 198         return 0;
 199 }
 200
 201 static int lfsck_get_dev_name(struct obd_ioctl_data *data, char *device,
 202                               int types, bool multipe_devices)
 203 {
 204         glob_t param = { 0 };
 205         char *ptr;
 206         int rc;
 207         int i;
 208
 209         rc = cfs_get_param_paths(&param, "mdd/*-MDT*");
 210         if (rc) {
 211                 if (multipe_devices || errno != ENOENT ||
 212                     types & LFSCK_TYPE_NAMESPACE) {
 213                         fprintf(stderr, "Fail to get device name: rc = %d\n."
 214                                 "You can specify the device explicitly "
 215                                 "via '-M' option.\n", rc);
 216                         return rc;
 217                 }
 218
 219                 rc = cfs_get_param_paths(&param, "obdfilter/*-OST*");
 220                 if (rc) {
 221                         fprintf(stderr, "Fail to get device name: rc = %d\n."
 222                                 "You can specify the device explicitly "
 223                                 "via '-M' option.\n", rc);
 224                         return rc;
 225                 }
 226         }
 227
 228         if (param.gl_pathc == 1)
 229                 goto pack;
 230
 231         if (!multipe_devices) {
 232                 fprintf(stderr,
 233                         "Detect multiple devices on current node. "
 234                         "Please specify the device explicitly "
 235                         "via '-M' option or '-A' option for all.\n");
 236                 rc = -EINVAL;
 237                 goto out;
 238         }
 239
 240         ptr = strrchr(param.gl_pathv[0], '-');
 241         if (ptr == NULL) {
 242                 rc = -EINVAL;
 243                 goto out;
 244         }
 245
 246         for (i = 1; i < param.gl_pathc; i++) {
 247                 char *ptr2 = strrchr(param.gl_pathv[i], '-');
 248
 249                 if (ptr2 == NULL) {
 250                         rc = -EINVAL;
 251                         goto out;
 252                 }
 253
 254                 if ((ptr - param.gl_pathv[0]) != (ptr2 - param.gl_pathv[i]) ||
 255                     strncmp(param.gl_pathv[0], param.gl_pathv[i],
 256                             (ptr - param.gl_pathv[0])) != 0) {
 257                         fprintf(stderr,
 258                                 "Detect multiple filesystems on current node. "
 259                                 "Please specify the device explicitly "
 260                                 "via '-M' option.\n");
 261                         rc = -EINVAL;
 262                         goto out;
 263                 }
 264         }
 265
 266 pack:
 267         rc = lfsck_pack_dev(data, device, basename(param.gl_pathv[0]));
 268
 269 out:
 270         cfs_free_param_data(&param);
 271
 272         return rc;
 273 }
 274
 275 int jt_lfsck_start(int argc, char **argv)
 276 {
 277         struct obd_ioctl_data data;
 278         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 279         char device[MAX_OBD_NAME];
 280         struct lfsck_start start;
 281         char *optstring = "Ac::C::d::e:hM:n::ors:t:w:";
 282         int opt, index, rc, val, i;
 283
 284         memset(&data, 0, sizeof(data));
 285         memset(&start, 0, sizeof(start));
 286         memset(device, 0, MAX_OBD_NAME);
 287         start.ls_version = LFSCK_VERSION_V1;
 288         start.ls_active = LFSCK_TYPES_ALL;
 289
 290         /* Reset the 'optind' for the case of getopt_long() called multiple
 291          * times under the same lctl. */
 292         optind = 0;
 293         while ((opt = getopt_long(argc, argv, optstring, long_opt_start,
 294                                   &index)) != EOF) {
 295                 switch (opt) {
 296                 case 'A':
 297                         start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST;
 298                         break;
 299                 case 'c':
 300                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 301                                 start.ls_flags |= LPF_CREATE_OSTOBJ;
 302                         } else if (strcmp(optarg, "off") != 0) {
 303                                 fprintf(stderr, "invalid switch: -c '%s'. "
 304                                         "valid switches are:\n"
 305                                         "empty ('on'), or 'off' without space. "
 306                                         "For example:\n"
 307                                         "'-c', '-con', '-coff'\n", optarg);
 308                                 return -EINVAL;
 309                         }
 310                         start.ls_valid |= LSV_CREATE_OSTOBJ;
 311                         break;
 312                 case 'C':
 313                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 314                                 start.ls_flags |= LPF_CREATE_MDTOBJ;
 315                         } else if (strcmp(optarg, "off") != 0) {
 316                                 fprintf(stderr, "invalid switch: -C '%s'. "
 317                                         "valid switches are:\n"
 318                                         "empty ('on'), or 'off' without space. "
 319                                         "For example:\n"
 320                                         "'-C', '-Con', '-Coff'\n", optarg);
 321                                 return -EINVAL;
 322                         }
 323                         start.ls_valid |= LSV_CREATE_MDTOBJ;
 324                         break;
 325                 case 'd':
 326                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 327                                 start.ls_flags |= LPF_DELAY_CREATE_OSTOBJ;
 328                         } else if (strcmp(optarg, "off") != 0) {
 329                                 fprintf(stderr, "invalid switch: -c '%s'. "
 330                                         "valid switches are:\n"
 331                                         "empty ('on'), or 'off' without space. "
 332                                         "For example:\n"
 333                                         "'-c', '-con', '-coff'\n", optarg);
 334                                 return -EINVAL;
 335                         }
 336                         start.ls_valid |= LSV_DELAY_CREATE_OSTOBJ;
 337                         break;
 338                 case 'e':
 339                         if (strcmp(optarg, "abort") == 0) {
 340                                 start.ls_flags |= LPF_FAILOUT;
 341                         } else if (strcmp(optarg, "continue") != 0) {
 342                                 fprintf(stderr, "invalid error mode: -e '%s'."
 343                                         "valid modes are: "
 344                                         "'continue' or 'abort'.\n", optarg);
 345                                 return -EINVAL;
 346                         }
 347                         start.ls_valid |= LSV_ERROR_HANDLE;
 348                         break;
 349                 case 'h':
 350                         usage_start();
 351                         return 0;
 352                 case 'M':
 353                         rc = lfsck_pack_dev(&data, device, optarg);
 354                         if (rc != 0)
 355                                 return rc;
 356                         break;
 357                 case 'n':
 358                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 359                                 start.ls_flags |= LPF_DRYRUN;
 360                         } else if (strcmp(optarg, "off") != 0) {
 361                                 fprintf(stderr, "invalid switch: -n '%s'. "
 362                                         "valid switches are:\n"
 363                                         "empty ('on'), or 'off' without space. "
 364                                         "For example:\n"
 365                                         "'-n', '-non', '-noff'\n", optarg);
 366                                 return -EINVAL;
 367                         }
 368                         start.ls_valid |= LSV_DRYRUN;
 369                         break;
 370                 case 'o':
 371                         start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST |
 372                                           LPF_OST_ORPHAN;
 373                         break;
 374                 case 'r':
 375                         start.ls_flags |= LPF_RESET;
 376                         break;
 377                 case 's':
 378                         val = atoi(optarg);
 379                         start.ls_speed_limit = val;
 380                         start.ls_valid |= LSV_SPEED_LIMIT;
 381                         break;
 382                 case 't': {
 383                         char *typename;
 384
 385                         if (start.ls_active == LFSCK_TYPES_ALL)
 386                                 start.ls_active = 0;
 387                         while ((typename = strsep(&optarg, ",")) != NULL) {
 388                                 enum lfsck_type type;
 389
 390                                 type = lfsck_name2type(typename);
 391                                 if (type == -1)
 392                                         goto bad_type;
 393                                 start.ls_active |= type;
 394                         }
 395                         break;
 396 bad_type:
 397                         fprintf(stderr, "invalid check type -t '%s'. "
 398                                 "valid types are:\n", typename);
 399                         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++)
 400                                 fprintf(stderr, "%s%s", i != 0 ? "," : "",
 401                                         lfsck_types_names[i].ltn_name);
 402                         fprintf(stderr, "\n");
 403                         return -EINVAL;
 404                 }
 405                 case 'w':
 406                         val = atoi(optarg);
 407                         if (val < 1 || val > LFSCK_ASYNC_WIN_MAX) {
 408                                 fprintf(stderr,
 409                                         "Invalid async window size that "
 410                                         "may cause memory issues. The valid "
 411                                         "range is [1 - %u].\n",
 412                                         LFSCK_ASYNC_WIN_MAX);
 413                                 return -EINVAL;
 414                         }
 415
 416                         start.ls_async_windows = val;
 417                         start.ls_valid |= LSV_ASYNC_WINDOWS;
 418                         break;
 419                 default:
 420                         fprintf(stderr, "Invalid option, '-h' for help.\n");
 421                         return -EINVAL;
 422                 }
 423         }
 424
 425         if (start.ls_active == LFSCK_TYPES_ALL)
 426                 start.ls_active = LFSCK_TYPES_DEF;
 427
 428         if (data.ioc_inlbuf4 == NULL) {
 429                 rc = lfsck_get_dev_name(&data, device, start.ls_active,
 430                                         start.ls_flags & LPF_ALL_TGT);
 431                 if (rc != 0)
 432                         return rc;
 433         }
 434
 435         data.ioc_inlbuf1 = (char *)&start;
 436         data.ioc_inllen1 = sizeof(start);
 437         memset(buf, 0, sizeof(rawbuf));
 438         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 439         if (rc != 0) {
 440                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
 441                 return rc;
 442         }
 443
 444         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_START_LFSCK, buf);
 445         if (rc < 0) {
 446                 perror("Fail to start LFSCK");
 447                 return rc;
 448         }
 449
 450         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
 451         printf("Started LFSCK on the device %s: scrub", device);
 452         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
 453                 if (start.ls_active & lfsck_types_names[i].ltn_type) {
 454                         printf(" %s", lfsck_types_names[i].ltn_name);
 455                         start.ls_active &= ~lfsck_types_names[i].ltn_type;
 456                 }
 457         }
 458         if (start.ls_active != 0)
 459                 printf(" unknown(0x%x)", start.ls_active);
 460         printf("\n");
 461
 462         return 0;
 463 }
 464
 465 int jt_lfsck_stop(int argc, char **argv)
 466 {
 467         struct obd_ioctl_data data;
 468         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 469         char device[MAX_OBD_NAME];
 470         struct lfsck_stop stop;
 471         char *optstring = "AhM:";
 472         int opt, index, rc;
 473
 474         memset(&data, 0, sizeof(data));
 475         memset(&stop, 0, sizeof(stop));
 476         memset(device, 0, MAX_OBD_NAME);
 477
 478         /* Reset the 'optind' for the case of getopt_long() called multiple
 479          * times under the same lctl. */
 480         optind = 0;
 481         while ((opt = getopt_long(argc, argv, optstring, long_opt_stop,
 482                                   &index)) != EOF) {
 483                 switch (opt) {
 484                 case 'A':
 485                         stop.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST;
 486                         break;
 487                 case 'h':
 488                         usage_stop();
 489                         return 0;
 490                 case 'M':
 491                         rc = lfsck_pack_dev(&data, device, optarg);
 492                         if (rc != 0)
 493                                 return rc;
 494                         break;
 495                 default:
 496                         fprintf(stderr, "Invalid option, '-h' for help.\n");
 497                         return -EINVAL;
 498                 }
 499         }
 500
 501         if (data.ioc_inlbuf4 == NULL) {
 502                 rc = lfsck_get_dev_name(&data, device, 0,
 503                                         stop.ls_flags & LPF_ALL_TGT);
 504                 if (rc != 0)
 505                         return rc;
 506         }
 507
 508         data.ioc_inlbuf1 = (char *)&stop;
 509         data.ioc_inllen1 = sizeof(stop);
 510         memset(buf, 0, sizeof(rawbuf));
 511         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 512         if (rc != 0) {
 513                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
 514                 return rc;
 515         }
 516
 517         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_STOP_LFSCK, buf);
 518         if (rc < 0) {
 519                 perror("Fail to stop LFSCK");
 520                 return rc;
 521         }
 522
 523         printf("Stopped LFSCK on the device %s.\n", device);
 524         return 0;
 525 }
 526
 527 int jt_lfsck_query(int argc, char **argv)
 528 {
 529         struct obd_ioctl_data data = { 0 };
 530         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 531         char device[MAX_OBD_NAME] = "";
 532         struct lfsck_query query = { .lu_types = LFSCK_TYPES_ALL };
 533         int opt, index, rc, i;
 534         enum lfsck_type type;
 535
 536         while ((opt = getopt_long(argc, argv, "hM:t:w", long_opt_query,
 537                                   &index)) != EOF) {
 538                 switch (opt) {
 539                 case 'h':
 540                         usage_query();
 541                         return 0;
 542                 case 'M':
 543                         rc = lfsck_pack_dev(&data, device, optarg);
 544                         if (rc != 0)
 545                                 return rc;
 546                         break;
 547                 case 't': {
 548                         char *typename;
 549
 550                         if (query.lu_types == LFSCK_TYPES_ALL)
 551                                 query.lu_types = 0;
 552                         while ((typename = strsep(&optarg, ",")) != NULL) {
 553                                 type = lfsck_name2type(typename);
 554                                 if (type == -1)
 555                                         goto bad_type;
 556                                 query.lu_types |= type;
 557                         }
 558                         break;
 559
 560 bad_type:
 561                         fprintf(stderr, "invalid LFSCK type -t '%s'. "
 562                                 "valid types are:\n", typename);
 563                         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++)
 564                                 fprintf(stderr, "%s%s", i != 0 ? "," : "",
 565                                         lfsck_types_names[i].ltn_name);
 566                         fprintf(stderr, "\n");
 567                         return -EINVAL;
 568                 }
 569                 case 'w':
 570                         query.lu_flags |= LPF_WAIT;
 571                         break;
 572                 default:
 573                         fprintf(stderr, "Invalid option, '-h' for help.\n");
 574                         usage_query();
 575                         return -EINVAL;
 576                 }
 577         }
 578
 579         if (data.ioc_inlbuf4 == NULL) {
 580                 rc = lfsck_get_dev_name(&data, device, 0, true);
 581                 if (rc != 0)
 582                         return rc;
 583         }
 584
 585         data.ioc_inlbuf1 = (char *)&query;
 586         data.ioc_inllen1 = sizeof(query);
 587         memset(buf, 0, sizeof(rawbuf));
 588         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 589         if (rc != 0) {
 590                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
 591                 return rc;
 592         }
 593
 594         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_QUERY_LFSCK, buf);
 595         if (rc < 0) {
 596                 perror("Fail to query LFSCK");
 597                 return rc;
 598         }
 599
 600         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
 601         for (i = 0, type = 1 << i; i < LFSCK_TYPE_BITS; i++, type = 1 << i) {
 602                 const char *name;
 603                 int j;
 604
 605                 if (!(query.lu_types & type))
 606                         continue;
 607
 608                 name = lfsck_type2name(type);
 609                 for (j = 0; j <= LS_MAX; j++)
 610                         printf("%s_mdts_%s: %d\n", name,
 611                                lfsck_status2name(j), query.lu_mdts_count[i][j]);
 612
 613                 for (j = 0; j <= LS_MAX; j++)
 614                         printf("%s_osts_%s: %d\n", name,
 615                                lfsck_status2name(j), query.lu_osts_count[i][j]);
 616
 617                 printf("%s_repaired: %llu\n", name, query.lu_repaired[i]);
 618         }
 619
 620         return 0;
 621 }