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