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         { "scrub",      LFSCK_TYPE_SCRUB },
  93         { "layout",     LFSCK_TYPE_LAYOUT },
  94         { "namespace",  LFSCK_TYPE_NAMESPACE },
  95         { "default",    LFSCK_TYPES_DEF },
  96         { "all",        LFSCK_TYPES_SUPPORTED },
  97         { NULL,         0 }
  98 };
  99
 100 static enum lfsck_type lfsck_name2type(const char *name)
 101 {
 102         int i;
 103
 104         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
 105                 if (strcmp(lfsck_types_names[i].ltn_name, name) == 0)
 106                         return lfsck_types_names[i].ltn_type;
 107         }
 108         return -1;
 109 }
 110
 111 static const char *lfsck_type2name(__u16 type)
 112 {
 113         int i;
 114
 115         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
 116                 if (type == lfsck_types_names[i].ltn_type)
 117                         return lfsck_types_names[i].ltn_name;
 118         }
 119
 120         return NULL;
 121 }
 122
 123 static void usage_start(void)
 124 {
 125         fprintf(stderr, "start LFSCK\n"
 126                 "usage:\n"
 127                 "lfsck_start [-M | --device {MDT,OST}_device]\n"
 128                 "            [-A | --all] [-c | --create_ostobj [on | off]]\n"
 129                 "            [-C | --create_mdtobj [on | off]]\n"
 130                 "            [-d | --delay_create_ostobj [on | off]]\n"
 131                 "            [-e | --error {continue | abort}] [-h | --help]\n"
 132                 "            [-n | --dryrun [on | off]] [-o | --orphan]\n"
 133                 "            [-r | --reset] [-s | --speed ops_per_sec_limit]\n"
 134                 "            [-t | --type check_type[,check_type...]]\n"
 135                 "            [-w | --window_size size]\n"
 136                 "options:\n"
 137                 "-M: device to start LFSCK/scrub on\n"
 138                 "-A: start LFSCK on all nodes via the specified MDT device "
 139                     "(see \"-M\" option) by single LFSCK command\n"
 140                 "-c: create the lost OST-object for dangling LOV EA "
 141                     "(default 'off', or 'on')\n"
 142                 "-C: create the lost MDT-object for dangling name entry "
 143                     "(default 'off', or 'on')\n"
 144                 "-d: delay create the lost OST-object for dangling LOV EA "
 145                     "until orphan OST-objects handled (default 'off', or 'on')\n"
 146                 "-e: error handle mode (default 'continue', or 'abort')\n"
 147                 "-h: this help message\n"
 148                 "-n: check with no modification (default 'off', or 'on')\n"
 149                 "-o: repair orphan OST-objects\n"
 150                 "-r: reset scanning to the start of the device\n"
 151                 "-s: maximum items to be scanned per second "
 152                     "(default '%d' = no limit)\n"
 153                 "-t: check type(s) to be performed (default all)\n"
 154                 "-w: window size for async requests pipeline\n",
 155                 LFSCK_SPEED_NO_LIMIT);
 156 }
 157
 158 static void usage_stop(void)
 159 {
 160         fprintf(stderr, "stop LFSCK\n"
 161                 "usage:\n"
 162                 "lfsck_stop [-M | --device {MDT,OST}_device]\n"
 163                 "           [-A | --all] [-h | --help]\n"
 164                 "options:\n"
 165                 "-M: device to stop LFSCK/scrub on\n"
 166                 "-A: stop LFSCK on all nodes via the specified MDT device "
 167                     "(see \"-M\" option) by single LFSCK command\n"
 168                 "-h: this help message\n");
 169 }
 170
 171 static void usage_query(void)
 172 {
 173         fprintf(stderr, "check the LFSCK global status\n"
 174                 "usage:\n"
 175                 "lfsck_query [-M | --device MDT_device] [-h | --help]\n"
 176                 "            [-t | --type check_type[,check_type...]]\n"
 177                 "            [-t | --wait]\n"
 178                 "options:\n"
 179                 "-M: device to query LFSCK on\n"
 180                 "-t: LFSCK type(s) to be queried (default is all)\n"
 181                 "-h: this help message\n"
 182                 "-w: do not return until LFSCK not running\n");
 183 }
 184
 185 static int lfsck_pack_dev(struct obd_ioctl_data *data, char *device, char *arg)
 186 {
 187         int len = strlen(arg) + 1;
 188
 189         if (len > MAX_OBD_NAME) {
 190                 fprintf(stderr, "device name is too long. "
 191                         "Valid length should be less than %d\n", MAX_OBD_NAME);
 192                 return -EINVAL;
 193         }
 194
 195         memcpy(device, arg, len);
 196         data->ioc_inlbuf4 = device;
 197         data->ioc_inllen4 = len;
 198         data->ioc_dev = OBD_DEV_BY_DEVNAME;
 199         return 0;
 200 }
 201
 202 static int lfsck_get_dev_name(struct obd_ioctl_data *data, char *device,
 203                               int types, bool multipe_devices)
 204 {
 205         glob_t param = { 0 };
 206         char *ptr;
 207         int rc;
 208         int i;
 209
 210         rc = cfs_get_param_paths(&param, "mdd/*-MDT*");
 211         if (rc) {
 212                 if (multipe_devices || errno != ENOENT ||
 213                     types & LFSCK_TYPE_NAMESPACE) {
 214                         fprintf(stderr, "Fail to get device name: rc = %d\n."
 215                                 "You can specify the device explicitly "
 216                                 "via '-M' option.\n", rc);
 217                         return rc;
 218                 }
 219
 220                 rc = cfs_get_param_paths(&param, "obdfilter/*-OST*");
 221                 if (rc) {
 222                         fprintf(stderr, "Fail to get device name: rc = %d\n."
 223                                 "You can specify the device explicitly "
 224                                 "via '-M' option.\n", rc);
 225                         return rc;
 226                 }
 227         }
 228
 229         if (param.gl_pathc == 1)
 230                 goto pack;
 231
 232         if (!multipe_devices) {
 233                 fprintf(stderr,
 234                         "Detect multiple devices on current node. "
 235                         "Please specify the device explicitly "
 236                         "via '-M' option or '-A' option for all.\n");
 237                 rc = -EINVAL;
 238                 goto out;
 239         }
 240
 241         ptr = strrchr(param.gl_pathv[0], '-');
 242         if (ptr == NULL) {
 243                 rc = -EINVAL;
 244                 goto out;
 245         }
 246
 247         for (i = 1; i < param.gl_pathc; i++) {
 248                 char *ptr2 = strrchr(param.gl_pathv[i], '-');
 249
 250                 if (ptr2 == NULL) {
 251                         rc = -EINVAL;
 252                         goto out;
 253                 }
 254
 255                 if ((ptr - param.gl_pathv[0]) != (ptr2 - param.gl_pathv[i]) ||
 256                     strncmp(param.gl_pathv[0], param.gl_pathv[i],
 257                             (ptr - param.gl_pathv[0])) != 0) {
 258                         fprintf(stderr,
 259                                 "Detect multiple filesystems on current node. "
 260                                 "Please specify the device explicitly "
 261                                 "via '-M' option.\n");
 262                         rc = -EINVAL;
 263                         goto out;
 264                 }
 265         }
 266
 267 pack:
 268         rc = lfsck_pack_dev(data, device, basename(param.gl_pathv[0]));
 269
 270 out:
 271         cfs_free_param_data(&param);
 272
 273         return rc;
 274 }
 275
 276 int jt_lfsck_start(int argc, char **argv)
 277 {
 278         struct obd_ioctl_data data;
 279         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 280         char device[MAX_OBD_NAME];
 281         struct lfsck_start start;
 282         char *optstring = "Ac::C::d::e:hM:n::ors:t:w:";
 283         int opt, index, rc, val, i;
 284
 285         memset(&data, 0, sizeof(data));
 286         memset(&start, 0, sizeof(start));
 287         memset(device, 0, MAX_OBD_NAME);
 288         start.ls_version = LFSCK_VERSION_V1;
 289         start.ls_active = LFSCK_TYPES_ALL;
 290
 291         /* Reset the 'optind' for the case of getopt_long() called multiple
 292          * times under the same lctl. */
 293         optind = 0;
 294         while ((opt = getopt_long(argc, argv, optstring, long_opt_start,
 295                                   &index)) != EOF) {
 296                 switch (opt) {
 297                 case 'A':
 298                         start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST;
 299                         break;
 300                 case 'c':
 301                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 302                                 start.ls_flags |= LPF_CREATE_OSTOBJ;
 303                         } else if (strcmp(optarg, "off") != 0) {
 304                                 fprintf(stderr, "invalid switch: -c '%s'. "
 305                                         "valid switches are:\n"
 306                                         "empty ('on'), or 'off' without space. "
 307                                         "For example:\n"
 308                                         "'-c', '-con', '-coff'\n", optarg);
 309                                 return -EINVAL;
 310                         }
 311                         start.ls_valid |= LSV_CREATE_OSTOBJ;
 312                         break;
 313                 case 'C':
 314                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 315                                 start.ls_flags |= LPF_CREATE_MDTOBJ;
 316                         } else if (strcmp(optarg, "off") != 0) {
 317                                 fprintf(stderr, "invalid switch: -C '%s'. "
 318                                         "valid switches are:\n"
 319                                         "empty ('on'), or 'off' without space. "
 320                                         "For example:\n"
 321                                         "'-C', '-Con', '-Coff'\n", optarg);
 322                                 return -EINVAL;
 323                         }
 324                         start.ls_valid |= LSV_CREATE_MDTOBJ;
 325                         break;
 326                 case 'd':
 327                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 328                                 start.ls_flags |= LPF_DELAY_CREATE_OSTOBJ;
 329                         } else if (strcmp(optarg, "off") != 0) {
 330                                 fprintf(stderr, "invalid switch: -c '%s'. "
 331                                         "valid switches are:\n"
 332                                         "empty ('on'), or 'off' without space. "
 333                                         "For example:\n"
 334                                         "'-c', '-con', '-coff'\n", optarg);
 335                                 return -EINVAL;
 336                         }
 337                         start.ls_valid |= LSV_DELAY_CREATE_OSTOBJ;
 338                         break;
 339                 case 'e':
 340                         if (strcmp(optarg, "abort") == 0) {
 341                                 start.ls_flags |= LPF_FAILOUT;
 342                         } else if (strcmp(optarg, "continue") != 0) {
 343                                 fprintf(stderr, "invalid error mode: -e '%s'."
 344                                         "valid modes are: "
 345                                         "'continue' or 'abort'.\n", optarg);
 346                                 return -EINVAL;
 347                         }
 348                         start.ls_valid |= LSV_ERROR_HANDLE;
 349                         break;
 350                 case 'h':
 351                         usage_start();
 352                         return 0;
 353                 case 'M':
 354                         rc = lfsck_pack_dev(&data, device, optarg);
 355                         if (rc != 0)
 356                                 return rc;
 357                         break;
 358                 case 'n':
 359                         if (optarg == NULL || strcmp(optarg, "on") == 0) {
 360                                 start.ls_flags |= LPF_DRYRUN;
 361                         } else if (strcmp(optarg, "off") != 0) {
 362                                 fprintf(stderr, "invalid switch: -n '%s'. "
 363                                         "valid switches are:\n"
 364                                         "empty ('on'), or 'off' without space. "
 365                                         "For example:\n"
 366                                         "'-n', '-non', '-noff'\n", optarg);
 367                                 return -EINVAL;
 368                         }
 369                         start.ls_valid |= LSV_DRYRUN;
 370                         break;
 371                 case 'o':
 372                         start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST |
 373                                           LPF_OST_ORPHAN;
 374                         break;
 375                 case 'r':
 376                         start.ls_flags |= LPF_RESET;
 377                         break;
 378                 case 's':
 379                         val = atoi(optarg);
 380                         start.ls_speed_limit = val;
 381                         start.ls_valid |= LSV_SPEED_LIMIT;
 382                         break;
 383                 case 't': {
 384                         char *typename;
 385
 386                         if (start.ls_active == LFSCK_TYPES_ALL)
 387                                 start.ls_active = 0;
 388                         while ((typename = strsep(&optarg, ",")) != NULL) {
 389                                 enum lfsck_type type;
 390
 391                                 type = lfsck_name2type(typename);
 392                                 if (type == -1)
 393                                         goto bad_type;
 394                                 start.ls_active |= type;
 395                         }
 396                         break;
 397 bad_type:
 398                         fprintf(stderr, "invalid check type -t '%s'. "
 399                                 "valid types are:\n", typename);
 400                         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++)
 401                                 fprintf(stderr, "%s%s", i != 0 ? "," : "",
 402                                         lfsck_types_names[i].ltn_name);
 403                         fprintf(stderr, "\n");
 404                         return -EINVAL;
 405                 }
 406                 case 'w':
 407                         val = atoi(optarg);
 408                         if (val < 1 || val > LFSCK_ASYNC_WIN_MAX) {
 409                                 fprintf(stderr,
 410                                         "Invalid async window size that "
 411                                         "may cause memory issues. The valid "
 412                                         "range is [1 - %u].\n",
 413                                         LFSCK_ASYNC_WIN_MAX);
 414                                 return -EINVAL;
 415                         }
 416
 417                         start.ls_async_windows = val;
 418                         start.ls_valid |= LSV_ASYNC_WINDOWS;
 419                         break;
 420                 default:
 421                         fprintf(stderr, "Invalid option, '-h' for help.\n");
 422                         return -EINVAL;
 423                 }
 424         }
 425
 426         if (start.ls_active == LFSCK_TYPES_ALL)
 427                 start.ls_active = LFSCK_TYPES_DEF;
 428
 429         if (data.ioc_inlbuf4 == NULL) {
 430                 rc = lfsck_get_dev_name(&data, device, start.ls_active,
 431                                         start.ls_flags & LPF_ALL_TGT);
 432                 if (rc != 0)
 433                         return rc;
 434         }
 435
 436         data.ioc_inlbuf1 = (char *)&start;
 437         data.ioc_inllen1 = sizeof(start);
 438         memset(buf, 0, sizeof(rawbuf));
 439         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 440         if (rc != 0) {
 441                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
 442                 return rc;
 443         }
 444
 445         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_START_LFSCK, buf);
 446         if (rc < 0) {
 447                 perror("Fail to start LFSCK");
 448                 return rc;
 449         }
 450
 451         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
 452         printf("Started LFSCK on the device %s: scrub", device);
 453         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
 454                 if (start.ls_active & lfsck_types_names[i].ltn_type) {
 455                         printf(" %s", lfsck_types_names[i].ltn_name);
 456                         start.ls_active &= ~lfsck_types_names[i].ltn_type;
 457                 }
 458         }
 459         if (start.ls_active != 0)
 460                 printf(" unknown(0x%x)", start.ls_active);
 461         printf("\n");
 462
 463         return 0;
 464 }
 465
 466 int jt_lfsck_stop(int argc, char **argv)
 467 {
 468         struct obd_ioctl_data data;
 469         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 470         char device[MAX_OBD_NAME];
 471         struct lfsck_stop stop;
 472         char *optstring = "AhM:";
 473         int opt, index, rc;
 474
 475         memset(&data, 0, sizeof(data));
 476         memset(&stop, 0, sizeof(stop));
 477         memset(device, 0, MAX_OBD_NAME);
 478
 479         /* Reset the 'optind' for the case of getopt_long() called multiple
 480          * times under the same lctl. */
 481         optind = 0;
 482         while ((opt = getopt_long(argc, argv, optstring, long_opt_stop,
 483                                   &index)) != EOF) {
 484                 switch (opt) {
 485                 case 'A':
 486                         stop.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST;
 487                         break;
 488                 case 'h':
 489                         usage_stop();
 490                         return 0;
 491                 case 'M':
 492                         rc = lfsck_pack_dev(&data, device, optarg);
 493                         if (rc != 0)
 494                                 return rc;
 495                         break;
 496                 default:
 497                         fprintf(stderr, "Invalid option, '-h' for help.\n");
 498                         return -EINVAL;
 499                 }
 500         }
 501
 502         if (data.ioc_inlbuf4 == NULL) {
 503                 rc = lfsck_get_dev_name(&data, device, 0,
 504                                         stop.ls_flags & LPF_ALL_TGT);
 505                 if (rc != 0)
 506                         return rc;
 507         }
 508
 509         data.ioc_inlbuf1 = (char *)&stop;
 510         data.ioc_inllen1 = sizeof(stop);
 511         memset(buf, 0, sizeof(rawbuf));
 512         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 513         if (rc != 0) {
 514                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
 515                 return rc;
 516         }
 517
 518         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_STOP_LFSCK, buf);
 519         if (rc < 0) {
 520                 perror("Fail to stop LFSCK");
 521                 return rc;
 522         }
 523
 524         printf("Stopped LFSCK on the device %s.\n", device);
 525         return 0;
 526 }
 527
 528 int jt_lfsck_query(int argc, char **argv)
 529 {
 530         struct obd_ioctl_data data = { 0 };
 531         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 532         char device[MAX_OBD_NAME] = "";
 533         struct lfsck_query query = { .lu_types = LFSCK_TYPES_ALL };
 534         int opt, index, rc, i;
 535         enum lfsck_type type;
 536
 537         while ((opt = getopt_long(argc, argv, "hM:t:w", long_opt_query,
 538                                   &index)) != EOF) {
 539                 switch (opt) {
 540                 case 'h':
 541                         usage_query();
 542                         return 0;
 543                 case 'M':
 544                         rc = lfsck_pack_dev(&data, device, optarg);
 545                         if (rc != 0)
 546                                 return rc;
 547                         break;
 548                 case 't': {
 549                         char *typename;
 550
 551                         if (query.lu_types == LFSCK_TYPES_ALL)
 552                                 query.lu_types = 0;
 553                         while ((typename = strsep(&optarg, ",")) != NULL) {
 554                                 type = lfsck_name2type(typename);
 555                                 if (type == -1)
 556                                         goto bad_type;
 557                                 query.lu_types |= type;
 558                         }
 559                         break;
 560
 561 bad_type:
 562                         fprintf(stderr, "invalid LFSCK type -t '%s'. "
 563                                 "valid types are:\n", typename);
 564                         for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++)
 565                                 fprintf(stderr, "%s%s", i != 0 ? "," : "",
 566                                         lfsck_types_names[i].ltn_name);
 567                         fprintf(stderr, "\n");
 568                         return -EINVAL;
 569                 }
 570                 case 'w':
 571                         query.lu_flags |= LPF_WAIT;
 572                         break;
 573                 default:
 574                         fprintf(stderr, "Invalid option, '-h' for help.\n");
 575                         usage_query();
 576                         return -EINVAL;
 577                 }
 578         }
 579
 580         if (data.ioc_inlbuf4 == NULL) {
 581                 rc = lfsck_get_dev_name(&data, device, 0, true);
 582                 if (rc != 0)
 583                         return rc;
 584         }
 585
 586         data.ioc_inlbuf1 = (char *)&query;
 587         data.ioc_inllen1 = sizeof(query);
 588         memset(buf, 0, sizeof(rawbuf));
 589         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 590         if (rc != 0) {
 591                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
 592                 return rc;
 593         }
 594
 595         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_QUERY_LFSCK, buf);
 596         if (rc < 0) {
 597                 perror("Fail to query LFSCK");
 598                 return rc;
 599         }
 600
 601         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
 602         for (i = 0, type = 1 << i; i < LFSCK_TYPE_BITS; i++, type = 1 << i) {
 603                 const char *name;
 604                 int j;
 605
 606                 if (!(query.lu_types & type))
 607                         continue;
 608
 609                 name = lfsck_type2name(type);
 610                 for (j = 0; j <= LS_MAX; j++)
 611                         printf("%s_mdts_%s: %d\n", name,
 612                                lfsck_status2name(j), query.lu_mdts_count[i][j]);
 613
 614                 for (j = 0; j <= LS_MAX; j++)
 615                         printf("%s_osts_%s: %d\n", name,
 616                                lfsck_status2name(j), query.lu_osts_count[i][j]);
 617
 618                 printf("%s_repaired: %llu\n", name, query.lu_repaired[i]);
 619         }
 620
 621         return 0;
 622 }