lustre/utils/llog_reader.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) 2007, 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 /** \defgroup llog_reader Lustre Log Reader
  37  *
  38  * Interpret llogs used for storing configuration and changelog data
  39  *
  40  * @{
  41  */
  42
  43 #include <errno.h>
  44 #include <limits.h>
  45 #include <stdbool.h>
  46 #include <stdio.h>
  47 #include <string.h>
  48 #include <sys/types.h>
  49 #include <sys/stat.h>
  50 #ifdef HAVE_ENDIAN_H
  51 # include <endian.h>
  52 #endif
  53 #include <unistd.h>
  54 #include <fcntl.h>
  55 #include <sys/vfs.h>
  56 #include <linux/magic.h>
  57 #include <errno.h>
  58 #include <time.h>
  59 #include <lnet/nidstr.h>
  60 #include <lustre/lustre_idl.h>
  61 #include <lustre/lustreapi.h>
  62 #include <lustre_log_user.h>
  63 #include <lustre_cfg.h>
  64
  65 static inline int ext2_test_bit(int nr, const void *addr)
  66 {
  67 #if __BYTE_ORDER == __BIG_ENDIAN
  68         const unsigned char *tmp = addr;
  69         return (tmp[nr >> 3] >> (nr & 7)) & 1;
  70 #else
  71         const unsigned long *tmp = addr;
  72         return ((1UL << (nr & (__WORDSIZE - 1))) &
  73                 ((tmp)[nr / __WORDSIZE])) != 0;
  74 #endif
  75 }
  76
  77 int llog_pack_buffer(int fd, struct llog_log_hdr **llog_buf,
  78                      struct llog_rec_hdr ***recs, int *recs_number);
  79
  80 void print_llog_header(struct llog_log_hdr *llog_buf);
  81 static void print_records(struct llog_rec_hdr **recs_buf,
  82                           int rec_number, int is_ext);
  83 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
  84                         struct llog_rec_hdr **recs_buf);
  85
  86 #define CANCELLED 0x678
  87
  88 #define PTL_CMD_BASE 100
  89 char* portals_command[17]=
  90 {
  91         "REGISTER_PEER_FD",
  92         "CLOSE_CONNECTION",
  93         "REGISTER_MYNID",
  94         "PUSH_CONNECTION",
  95         "GET_CONN",
  96         "DEL_PEER",
  97         "ADD_PEER",
  98         "GET_PEER",
  99         "GET_TXDESC",
 100         "ADD_ROUTE",
 101         "DEL_ROUTE",
 102         "GET_ROUTE",
 103         "NOTIFY_ROUTER",
 104         "ADD_INTERFACE",
 105         "DEL_INTERFACE",
 106         "GET_INTERFACE",
 107         ""
 108 };
 109
 110 int is_fstype_ext(int fd)
 111 {
 112         struct statfs           st;
 113         int                     rc;
 114
 115         rc = fstatfs(fd, &st);
 116         if (rc < 0) {
 117                 llapi_error(LLAPI_MSG_ERROR, rc, "Got statfs error.");
 118                 return -errno;
 119         }
 120
 121         return (st.f_type == EXT4_SUPER_MAGIC);
 122 }
 123
 124
 125 /**
 126  * Attempt to display a path to the object (file) containing changelog entries,
 127  * referred to by this changelog_catalog record.
 128  *
 129  * This path depends on the implementation of the OSD device; zfs-osd and
 130  * ldiskfs-osd are different.
 131  *
 132  * Assumes that if the file system containing the changelog_catalog is
 133  * ext{2,3,4}, the backend is ldiskfs-osd; otherwise it is either zfs-osd or at
 134  * least names objects based on FID and the zfs-osd path (which includes the
 135  * FID) will be sufficient.
 136  *
 137  * The Object ID stored in the record is also displayed untranslated.
 138  */
 139 #define OSD_OI_FID_NR         (1UL << 7)
 140 static void print_log_path(struct llog_logid_rec *lid, int is_ext)
 141 {
 142
 143         char                    object_path[255];
 144         struct lu_fid           fid_from_logid;
 145
 146         logid_to_fid(&lid->lid_id, &fid_from_logid);
 147
 148         if (is_ext)
 149                 snprintf(object_path, sizeof(object_path),
 150                          "O/%ju/d%u/%u", (uintmax_t)fid_from_logid.f_seq,
 151                          fid_from_logid.f_oid % 32,
 152                          fid_from_logid.f_oid);
 153         else
 154                 snprintf(object_path, sizeof(object_path),
 155                          "oi.%ju/"DFID_NOBRACE,
 156                          (uintmax_t)(fid_from_logid.f_seq & (OSD_OI_FID_NR - 1)),
 157                          PFID(&fid_from_logid));
 158
 159         printf("ogen=%X id="DOSTID" path=%s\n",
 160                 lid->lid_id.lgl_ogen, POSTID(&lid->lid_id.lgl_oi),
 161                 object_path);
 162 }
 163
 164 int main(int argc, char **argv)
 165 {
 166         int rc = 0;
 167         int is_ext;
 168         int fd, rec_number;
 169         struct llog_log_hdr *llog_buf = NULL;
 170         struct llog_rec_hdr **recs_buf = NULL;
 171
 172         setlinebuf(stdout);
 173
 174         if (argc != 2) {
 175                 printf("Usage: llog_reader filename\n");
 176                 return -1;
 177         }
 178
 179         fd = open(argv[1], O_RDONLY);
 180         if (fd < 0) {
 181                 rc = -errno;
 182                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not open the file %s.",
 183                             argv[1]);
 184                 goto out;
 185         }
 186
 187         is_ext = is_fstype_ext(fd);
 188         if (is_ext < 0) {
 189                 printf("Unable to determine type of filesystem containing %s\n",
 190                        argv[1]);
 191                 goto out;
 192         }
 193
 194         rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
 195         if (rc < 0) {
 196                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not pack buffer.");
 197                 goto out_fd;
 198         }
 199
 200         print_llog_header(llog_buf);
 201         print_records(recs_buf, rec_number, is_ext);
 202         llog_unpack_buffer(fd, llog_buf, recs_buf);
 203
 204 out_fd:
 205         close(fd);
 206 out:
 207         return rc;
 208 }
 209
 210
 211
 212 int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
 213                      struct llog_rec_hdr ***recs,
 214                      int *recs_number)
 215 {
 216         int rc = 0, recs_num, rd = 0;
 217         long long file_size;
 218         struct stat st;
 219         char *file_buf = NULL, *recs_buf = NULL;
 220         struct llog_rec_hdr **recs_pr = NULL;
 221         char *ptr = NULL;
 222         int i;
 223
 224         rc = fstat(fd, &st);
 225         if (rc < 0) {
 226                 rc = -errno;
 227                 llapi_error(LLAPI_MSG_ERROR, rc, "Got file stat error.");
 228                 goto out;
 229         }
 230
 231         file_size = st.st_size;
 232         if (file_size < sizeof(**llog)) {
 233                 llapi_error(LLAPI_MSG_ERROR, rc,
 234                             "File too small for llog header: "
 235                             "need %zd, size %lld\n",
 236                             sizeof(**llog), file_size);
 237                 rc = -EIO;
 238                 goto out;
 239         }
 240
 241         file_buf = malloc(file_size);
 242         if (file_buf == NULL) {
 243                 rc = -ENOMEM;
 244                 llapi_error(LLAPI_MSG_ERROR, rc, "Memory Alloc for file_buf.");
 245                 goto out;
 246         }
 247         *llog = (struct llog_log_hdr *)file_buf;
 248
 249         do {
 250                 rc = read(fd, file_buf + rd, file_size - rd);
 251                 if (rc > 0)
 252                         rd += rc;
 253         } while (rc > 0 && rd < file_size);
 254
 255         if (rd < file_size) {
 256                 rc = rc < 0 ? -errno : -EIO;
 257                 llapi_error(LLAPI_MSG_ERROR, rc,
 258                             "Error reading llog header: need %zd, got %d",
 259                             sizeof(**llog), rd);
 260                 goto clear_file_buf;
 261         }
 262
 263         /* the llog header not countable here.*/
 264         recs_num = le32_to_cpu((*llog)->llh_count) - 1;
 265
 266         recs_buf = malloc(recs_num * sizeof(**recs_pr));
 267         if (recs_buf == NULL) {
 268                 rc = -ENOMEM;
 269                 llapi_error(LLAPI_MSG_ERROR, rc,
 270                             "Error allocating %zd bytes for recs_buf",
 271                             recs_num * sizeof(**recs_pr));
 272                 goto clear_file_buf;
 273         }
 274         recs_pr = (struct llog_rec_hdr **)recs_buf;
 275
 276         ptr = file_buf + le32_to_cpu((*llog)->llh_hdr.lrh_len);
 277         i = 0;
 278
 279         while (ptr < (file_buf + file_size)) {
 280                 struct llog_rec_hdr *cur_rec;
 281                 int idx;
 282                 unsigned long offset;
 283
 284                 if (ptr + sizeof(**recs_pr) > file_buf + file_size) {
 285                         rc = -EINVAL;
 286                         llapi_error(LLAPI_MSG_ERROR, rc,
 287                                     "The log is corrupt (too big at %d)", i);
 288                         goto clear_recs_buf;
 289                 }
 290
 291                 cur_rec = (struct llog_rec_hdr *)ptr;
 292                 idx = le32_to_cpu(cur_rec->lrh_index);
 293                 recs_pr[i] = cur_rec;
 294                 offset = (unsigned long)ptr - (unsigned long)file_buf;
 295                 if (cur_rec->lrh_len == 0 ||
 296                     cur_rec->lrh_len > (*llog)->llh_hdr.lrh_len) {
 297                         cur_rec->lrh_len = (*llog)->llh_hdr.lrh_len -
 298                                 offset % (*llog)->llh_hdr.lrh_len;
 299                         printf("off %lu skip %u to next chunk.\n", offset,
 300                                cur_rec->lrh_len);
 301                         i--;
 302                 } else if (ext2_test_bit(idx, LLOG_HDR_BITMAP(*llog))) {
 303                         printf("rec #%d type=%x len=%u offset %lu\n", idx,
 304                                cur_rec->lrh_type, cur_rec->lrh_len, offset);
 305                 } else {
 306                         printf("Bit %d of %d not set\n", idx, recs_num);
 307                         cur_rec->lrh_id = CANCELLED;
 308                         /* The header counts only set records */
 309                         i--;
 310                 }
 311
 312                 ptr += le32_to_cpu(cur_rec->lrh_len);
 313                 if ((ptr - file_buf) > file_size) {
 314                         printf("The log is corrupt (too big at %d)\n", i);
 315                         rc = -EINVAL;
 316                         goto clear_recs_buf;
 317                 }
 318                 i++;
 319         }
 320
 321         *recs = recs_pr;
 322         *recs_number = recs_num;
 323
 324 out:
 325         return rc;
 326
 327 clear_recs_buf:
 328         free(recs_buf);
 329
 330 clear_file_buf:
 331         free(file_buf);
 332
 333         *llog = NULL;
 334         goto out;
 335 }
 336
 337 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
 338                         struct llog_rec_hdr **recs_buf)
 339 {
 340         free(llog_buf);
 341         free(recs_buf);
 342         return;
 343 }
 344
 345 void print_llog_header(struct llog_log_hdr *llog_buf)
 346 {
 347         time_t t;
 348
 349         printf("Header size : %u\n",
 350                le32_to_cpu(llog_buf->llh_hdr.lrh_len));
 351
 352         t = le64_to_cpu(llog_buf->llh_timestamp);
 353         printf("Time : %s", ctime(&t));
 354
 355         printf("Number of records: %u\n",
 356                le32_to_cpu(llog_buf->llh_count)-1);
 357
 358         printf("Target uuid : %s \n",
 359                (char *)(&llog_buf->llh_tgtuuid));
 360
 361         /* Add the other info you want to view here */
 362
 363         printf("-----------------------\n");
 364         return;
 365 }
 366
 367 static void print_1_cfg(struct lustre_cfg *lcfg)
 368 {
 369         int i;
 370
 371         if (lcfg->lcfg_nid)
 372                 printf("nid=%s(%#jx)  ", libcfs_nid2str(lcfg->lcfg_nid),
 373                        (uintmax_t)lcfg->lcfg_nid);
 374         if (lcfg->lcfg_nal)
 375                 printf("nal=%d ", lcfg->lcfg_nal);
 376         for (i = 0; i <  lcfg->lcfg_bufcount; i++)
 377                 printf("%d:%.*s  ", i, lcfg->lcfg_buflens[i],
 378                        (char*)lustre_cfg_buf(lcfg, i));
 379         return;
 380 }
 381
 382
 383 static void print_setup_cfg(struct lustre_cfg *lcfg)
 384 {
 385         struct lov_desc *desc;
 386
 387         if ((lcfg->lcfg_bufcount == 2) &&
 388             (lcfg->lcfg_buflens[1] == sizeof(*desc))) {
 389                 printf("lov_setup ");
 390                 printf("0:%s  ", lustre_cfg_string(lcfg, 0));
 391                 printf("1:(struct lov_desc)\n");
 392                 desc = (struct lov_desc*)(lustre_cfg_string(lcfg, 1));
 393                 printf("\t\tuuid=%s  ", (char*)desc->ld_uuid.uuid);
 394                 printf("stripe:cnt=%u ", desc->ld_default_stripe_count);
 395                 printf("size=%ju ", (uintmax_t)desc->ld_default_stripe_size);
 396                 printf("offset=%ju ",
 397                        (uintmax_t)desc->ld_default_stripe_offset);
 398                 printf("pattern=%#x", desc->ld_pattern);
 399         } else {
 400                 printf("setup     ");
 401                 print_1_cfg(lcfg);
 402         }
 403
 404         return;
 405 }
 406
 407 void print_lustre_cfg(struct lustre_cfg *lcfg, int *skip)
 408 {
 409         enum lcfg_command_type cmd = le32_to_cpu(lcfg->lcfg_command);
 410
 411         if (*skip > 0)
 412                 printf("SKIP ");
 413
 414         switch(cmd){
 415         case(LCFG_ATTACH):{
 416                 printf("attach    ");
 417                 print_1_cfg(lcfg);
 418                 break;
 419         }
 420         case(LCFG_SETUP):{
 421                 print_setup_cfg(lcfg);
 422                 break;
 423         }
 424         case(LCFG_DETACH):{
 425                 printf("detach    ");
 426                 print_1_cfg(lcfg);
 427                 break;
 428         }
 429         case(LCFG_CLEANUP):{
 430                 printf("cleanup   ");
 431                 print_1_cfg(lcfg);
 432                 break;
 433         }
 434         case(LCFG_ADD_UUID):{
 435                 printf("add_uuid  ");
 436                 print_1_cfg(lcfg);
 437                 break;
 438         }
 439         case(LCFG_DEL_UUID):{
 440                 printf("del_uuid  ");
 441                 print_1_cfg(lcfg);
 442                 break;
 443         }
 444         case(LCFG_ADD_CONN):{
 445                 printf("add_conn  ");
 446                 print_1_cfg(lcfg);
 447                 break;
 448         }
 449         case(LCFG_DEL_CONN):{
 450                 printf("del_conn  ");
 451                 print_1_cfg(lcfg);
 452                 break;
 453         }
 454         case(LCFG_LOV_ADD_OBD):{
 455                 printf("lov_modify_tgts add ");
 456                 print_1_cfg(lcfg);
 457                 break;
 458         }
 459         case(LCFG_LOV_DEL_OBD):{
 460                 printf("lov_modify_tgts del ");
 461                 print_1_cfg(lcfg);
 462                 break;
 463         }
 464         case(LCFG_ADD_MDC):{
 465                 printf("modify_mdc_tgts add ");
 466                 print_1_cfg(lcfg);
 467                 break;
 468         }
 469         case(LCFG_DEL_MDC):{
 470                 printf("modify_mdc_tgts del ");
 471                 print_1_cfg(lcfg);
 472                 break;
 473         }
 474         case(LCFG_MOUNTOPT):{
 475                 printf("mount_option ");
 476                 print_1_cfg(lcfg);
 477                 break;
 478         }
 479         case(LCFG_DEL_MOUNTOPT):{
 480                 printf("del_mount_option ");
 481                 print_1_cfg(lcfg);
 482                 break;
 483         }
 484         case(LCFG_SET_TIMEOUT):{
 485                 printf("set_timeout=%d ", lcfg->lcfg_num);
 486                 break;
 487         }
 488         case(LCFG_SET_LDLM_TIMEOUT):{
 489                 printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
 490                 break;
 491         }
 492         case(LCFG_SET_UPCALL):{
 493                 printf("set_lustre_upcall ");
 494                 print_1_cfg(lcfg);
 495                 break;
 496         }
 497         case(LCFG_PARAM):{
 498                 printf("param ");
 499                 print_1_cfg(lcfg);
 500                 break;
 501         }
 502         case(LCFG_SET_PARAM):{
 503                 printf("set_param ");
 504                 print_1_cfg(lcfg);
 505                 break;
 506         }
 507         case(LCFG_SPTLRPC_CONF):{
 508                 printf("sptlrpc_conf ");
 509                 print_1_cfg(lcfg);
 510                 break;
 511         }
 512         case(LCFG_MARKER):{
 513                 struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
 514                 char createtime[26], canceltime[26] = "";
 515                 time_t time_tmp;
 516
 517                 if (marker->cm_flags & CM_START &&
 518                     marker->cm_flags & CM_SKIP) {
 519                         printf("SKIP START ");
 520                         (*skip)++;
 521                 } else if (marker->cm_flags & CM_END) {
 522                         printf(     "END   ");
 523                         *skip = 0;
 524                 }
 525
 526                 if (marker->cm_flags & CM_EXCLUDE) {
 527                         if (marker->cm_flags & CM_START)
 528                                 printf("EXCLUDE START ");
 529                         else
 530                                 printf("EXCLUDE END   ");
 531                 }
 532
 533                 /* Handle overflow of 32-bit time_t gracefully.
 534                  * The copy to time_tmp is needed in any case to
 535                  * keep the pointer happy, even on 64-bit systems. */
 536                 time_tmp = marker->cm_createtime;
 537                 if (time_tmp == marker->cm_createtime) {
 538                         ctime_r(&time_tmp, createtime);
 539                         createtime[strlen(createtime) - 1] = 0;
 540                 } else {
 541                         strcpy(createtime, "in the distant future");
 542                 }
 543
 544                 if (marker->cm_canceltime) {
 545                         /* Like cm_createtime, we try to handle overflow of
 546                          * 32-bit time_t gracefully. The copy to time_tmp
 547                          * is also needed on 64-bit systems to keep the
 548                          * pointer happy, see bug 16771 */
 549                         time_tmp = marker->cm_canceltime;
 550                         if (time_tmp == marker->cm_canceltime) {
 551                                 ctime_r(&time_tmp, canceltime);
 552                                 canceltime[strlen(canceltime) - 1] = 0;
 553                         } else {
 554                                 strcpy(canceltime, "in the distant future");
 555                         }
 556                 }
 557
 558                 printf("marker %3d (flags=%#04x, v%d.%d.%d.%d) %-15s '%s' %s-%s",
 559                        marker->cm_step, marker->cm_flags,
 560                        OBD_OCD_VERSION_MAJOR(marker->cm_vers),
 561                        OBD_OCD_VERSION_MINOR(marker->cm_vers),
 562                        OBD_OCD_VERSION_PATCH(marker->cm_vers),
 563                        OBD_OCD_VERSION_FIX(marker->cm_vers),
 564                        marker->cm_tgtname, marker->cm_comment,
 565                        createtime, canceltime);
 566                 break;
 567         }
 568         case(LCFG_POOL_NEW):{
 569                 printf("pool new ");
 570                 print_1_cfg(lcfg);
 571                 break;
 572         }
 573         case(LCFG_POOL_ADD):{
 574                 printf("pool add ");
 575                 print_1_cfg(lcfg);
 576                 break;
 577         }
 578         case(LCFG_POOL_REM):{
 579                 printf("pool remove ");
 580                 print_1_cfg(lcfg);
 581                 break;
 582         }
 583         case(LCFG_POOL_DEL):{
 584                 printf("pool destroy ");
 585                 print_1_cfg(lcfg);
 586                 break;
 587         }
 588         default:
 589                 printf("unsupported cmd_code = %x\n",cmd);
 590         }
 591         printf("\n");
 592         return;
 593 }
 594
 595 static void print_hsm_action(struct llog_agent_req_rec *larr)
 596 {
 597         char    buf[12];
 598         int     sz;
 599
 600         sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
 601         printf("lrh=[type=%X len=%d idx=%d] fid="DFID
 602                " compound/cookie=%#jx/%#jx"
 603                " status=%s action=%s archive#=%d flags=%#jx"
 604                " create=%ju change=%ju"
 605                " extent=%#jx-%#jx gid=%#jx datalen=%d"
 606                " data=[%s]\n",
 607                larr->arr_hdr.lrh_type,
 608                larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
 609                PFID(&larr->arr_hai.hai_fid),
 610                (uintmax_t)larr->arr_compound_id,
 611                (uintmax_t)larr->arr_hai.hai_cookie,
 612                agent_req_status2name(larr->arr_status),
 613                hsm_copytool_action2name(larr->arr_hai.hai_action),
 614                larr->arr_archive_id,
 615                (uintmax_t)larr->arr_flags,
 616                (uintmax_t)larr->arr_req_create,
 617                (uintmax_t)larr->arr_req_change,
 618                (uintmax_t)larr->arr_hai.hai_extent.offset,
 619                (uintmax_t)larr->arr_hai.hai_extent.length,
 620                (uintmax_t)larr->arr_hai.hai_gid, sz,
 621                hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
 622 }
 623
 624 void print_changelog_rec(struct llog_changelog_rec *rec)
 625 {
 626         printf("changelog record id:0x%x cr_flags:0x%x cr_type:%s(0x%x)\n",
 627                le32_to_cpu(rec->cr_hdr.lrh_id),
 628                le32_to_cpu(rec->cr.cr_flags),
 629                changelog_type2str(le32_to_cpu(rec->cr.cr_type)),
 630                le32_to_cpu(rec->cr.cr_type));
 631 }
 632
 633 static void print_records(struct llog_rec_hdr **recs,
 634                           int rec_number, int is_ext)
 635 {
 636         __u32 lopt;
 637         int i, skip = 0;
 638
 639         for (i = 0; i < rec_number; i++) {
 640                 printf("#%.2d (%.3d)", le32_to_cpu(recs[i]->lrh_index),
 641                        le32_to_cpu(recs[i]->lrh_len));
 642
 643                 lopt = le32_to_cpu(recs[i]->lrh_type);
 644
 645                 if (recs[i]->lrh_id == CANCELLED)
 646                         printf("NOT SET ");
 647
 648                 switch (lopt) {
 649                 case OBD_CFG_REC:
 650                         print_lustre_cfg(
 651                                 (struct lustre_cfg *)((char *)(recs[i]) +
 652                                 sizeof(struct llog_rec_hdr)), &skip);
 653                         break;
 654                 case LLOG_PAD_MAGIC:
 655                         printf("padding\n");
 656                         break;
 657                 case LLOG_LOGID_MAGIC:
 658                         print_log_path((struct llog_logid_rec *)recs[i],
 659                                        is_ext);
 660                         break;
 661                 case HSM_AGENT_REC:
 662                         print_hsm_action((struct llog_agent_req_rec *)recs[i]);
 663                         break;
 664                 case CHANGELOG_REC:
 665                         print_changelog_rec((struct llog_changelog_rec *)
 666                                             recs[i]);
 667                         break;
 668                 case CHANGELOG_USER_REC:
 669                         printf("changelog_user record id:0x%x\n",
 670                                le32_to_cpu(recs[i]->lrh_id));
 671                         break;
 672                 default:
 673                         printf("unknown type %x\n", lopt);
 674                         break;
 675                 }
 676         }
 677 }
 678
 679 /** @} llog_reader */