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.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2011, 2016, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  */
  32 /** \defgroup llog_reader Lustre Log Reader
  33  *
  34  * Interpret llogs used for storing configuration and changelog data
  35  *
  36  * @{
  37  */
  38
  39 #include <errno.h>
  40 #include <limits.h>
  41 #include <stdbool.h>
  42 #include <stdio.h>
  43 #include <string.h>
  44 #include <sys/types.h>
  45 #include <sys/stat.h>
  46 #ifdef HAVE_ENDIAN_H
  47 # include <endian.h>
  48 #endif
  49 #include <unistd.h>
  50 #include <fcntl.h>
  51 #include <sys/vfs.h>
  52 #include <linux/magic.h>
  53 #include <errno.h>
  54 #include <time.h>
  55 #include <lnet/nidstr.h>
  56 #include <linux/lustre_fid.h>
  57 #include <linux/lustre_ostid.h>
  58 #include <lustre/lustreapi.h>
  59 #include <lustre_log_user.h>
  60 #include <lustre_cfg.h>
  61
  62 static inline int ext2_test_bit(int nr, const void *addr)
  63 {
  64 #if __BYTE_ORDER == __BIG_ENDIAN
  65         const unsigned char *tmp = addr;
  66         return (tmp[nr >> 3] >> (nr & 7)) & 1;
  67 #else
  68         const unsigned long *tmp = addr;
  69         return ((1UL << (nr & (__WORDSIZE - 1))) &
  70                 ((tmp)[nr / __WORDSIZE])) != 0;
  71 #endif
  72 }
  73
  74 int llog_pack_buffer(int fd, struct llog_log_hdr **llog_buf,
  75                      struct llog_rec_hdr ***recs, int *recs_number);
  76
  77 void print_llog_header(struct llog_log_hdr *llog_buf);
  78 static void print_records(struct llog_rec_hdr **recs_buf,
  79                           int rec_number, int is_ext);
  80 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
  81                         struct llog_rec_hdr **recs_buf);
  82
  83 #define CANCELLED 0x678
  84
  85 #define PTL_CMD_BASE 100
  86 char* portals_command[17]=
  87 {
  88         "REGISTER_PEER_FD",
  89         "CLOSE_CONNECTION",
  90         "REGISTER_MYNID",
  91         "PUSH_CONNECTION",
  92         "GET_CONN",
  93         "DEL_PEER",
  94         "ADD_PEER",
  95         "GET_PEER",
  96         "GET_TXDESC",
  97         "ADD_ROUTE",
  98         "DEL_ROUTE",
  99         "GET_ROUTE",
 100         "NOTIFY_ROUTER",
 101         "ADD_INTERFACE",
 102         "DEL_INTERFACE",
 103         "GET_INTERFACE",
 104         ""
 105 };
 106
 107 int is_fstype_ext(int fd)
 108 {
 109         struct statfs           st;
 110         int                     rc;
 111
 112         rc = fstatfs(fd, &st);
 113         if (rc < 0) {
 114                 llapi_error(LLAPI_MSG_ERROR, rc, "Got statfs error.");
 115                 return -errno;
 116         }
 117
 118         return (st.f_type == EXT4_SUPER_MAGIC);
 119 }
 120
 121
 122 /**
 123  * Attempt to display a path to the object (file) containing changelog entries,
 124  * referred to by this changelog_catalog record.
 125  *
 126  * This path depends on the implementation of the OSD device; zfs-osd and
 127  * ldiskfs-osd are different.
 128  *
 129  * Assumes that if the file system containing the changelog_catalog is
 130  * ext{2,3,4}, the backend is ldiskfs-osd; otherwise it is either zfs-osd or at
 131  * least names objects based on FID and the zfs-osd path (which includes the
 132  * FID) will be sufficient.
 133  *
 134  * The Object ID stored in the record is also displayed untranslated.
 135  */
 136 #define OSD_OI_FID_NR         (1UL << 7)
 137 static void print_log_path(struct llog_logid_rec *lid, int is_ext)
 138 {
 139
 140         char                    object_path[255];
 141         struct lu_fid           fid_from_logid;
 142
 143         logid_to_fid(&lid->lid_id, &fid_from_logid);
 144
 145         if (is_ext)
 146                 snprintf(object_path, sizeof(object_path),
 147                          "O/%ju/d%u/%u", (uintmax_t)fid_from_logid.f_seq,
 148                          fid_from_logid.f_oid % 32,
 149                          fid_from_logid.f_oid);
 150         else
 151                 snprintf(object_path, sizeof(object_path),
 152                          "oi.%ju/"DFID_NOBRACE,
 153                          (uintmax_t)(fid_from_logid.f_seq & (OSD_OI_FID_NR - 1)),
 154                          PFID(&fid_from_logid));
 155
 156         printf("id="DFID":%x path=%s\n",
 157                PFID(&lid->lid_id.lgl_oi.oi_fid), lid->lid_id.lgl_ogen,
 158                object_path);
 159 }
 160
 161 int main(int argc, char **argv)
 162 {
 163         int rc = 0;
 164         int is_ext;
 165         int fd, rec_number;
 166         struct llog_log_hdr *llog_buf = NULL;
 167         struct llog_rec_hdr **recs_buf = NULL;
 168
 169         setlinebuf(stdout);
 170
 171         if (argc != 2) {
 172                 printf("Usage: llog_reader filename\n");
 173                 return -1;
 174         }
 175
 176         fd = open(argv[1], O_RDONLY);
 177         if (fd < 0) {
 178                 rc = -errno;
 179                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not open the file %s.",
 180                             argv[1]);
 181                 goto out;
 182         }
 183
 184         is_ext = is_fstype_ext(fd);
 185         if (is_ext < 0) {
 186                 rc = is_ext;
 187                 printf("Unable to determine type of filesystem containing %s\n",
 188                        argv[1]);
 189                 goto out_fd;
 190         }
 191
 192         rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
 193         if (rc < 0) {
 194                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not pack buffer.");
 195                 goto out_fd;
 196         }
 197
 198         print_llog_header(llog_buf);
 199         print_records(recs_buf, rec_number, is_ext);
 200         llog_unpack_buffer(fd, llog_buf, recs_buf);
 201
 202 out_fd:
 203         close(fd);
 204 out:
 205         return rc;
 206 }
 207
 208
 209
 210 int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
 211                      struct llog_rec_hdr ***recs,
 212                      int *recs_number)
 213 {
 214         int rc = 0, recs_num, rd = 0;
 215         long long file_size;
 216         struct stat st;
 217         char *file_buf = NULL, *recs_buf = NULL;
 218         struct llog_rec_hdr **recs_pr = NULL;
 219         char *ptr = NULL;
 220         int i;
 221
 222         rc = fstat(fd, &st);
 223         if (rc < 0) {
 224                 rc = -errno;
 225                 llapi_error(LLAPI_MSG_ERROR, rc, "Got file stat error.");
 226                 goto out;
 227         }
 228
 229         file_size = st.st_size;
 230         if (file_size < sizeof(**llog)) {
 231                 llapi_error(LLAPI_MSG_ERROR, rc,
 232                             "File too small for llog header: "
 233                             "need %zd, size %lld\n",
 234                             sizeof(**llog), file_size);
 235                 rc = -EIO;
 236                 goto out;
 237         }
 238
 239         file_buf = malloc(file_size);
 240         if (file_buf == NULL) {
 241                 rc = -ENOMEM;
 242                 llapi_error(LLAPI_MSG_ERROR, rc, "Memory Alloc for file_buf.");
 243                 goto out;
 244         }
 245         *llog = (struct llog_log_hdr *)file_buf;
 246
 247         do {
 248                 rc = read(fd, file_buf + rd, file_size - rd);
 249                 if (rc > 0)
 250                         rd += rc;
 251         } while (rc > 0 && rd < file_size);
 252
 253         if (rd < file_size) {
 254                 rc = rc < 0 ? -errno : -EIO;
 255                 llapi_error(LLAPI_MSG_ERROR, rc,
 256                             "Error reading llog header: need %zd, got %d",
 257                             sizeof(**llog), rd);
 258                 goto clear_file_buf;
 259         }
 260
 261         /* the llog header not countable here.*/
 262         recs_num = __le32_to_cpu((*llog)->llh_count) - 1;
 263
 264         recs_buf = malloc(recs_num * sizeof(**recs_pr));
 265         if (recs_buf == NULL) {
 266                 rc = -ENOMEM;
 267                 llapi_error(LLAPI_MSG_ERROR, rc,
 268                             "Error allocating %zd bytes for recs_buf",
 269                             recs_num * sizeof(**recs_pr));
 270                 goto clear_file_buf;
 271         }
 272         recs_pr = (struct llog_rec_hdr **)recs_buf;
 273
 274         ptr = file_buf + __le32_to_cpu((*llog)->llh_hdr.lrh_len);
 275         i = 0;
 276
 277         while (ptr < (file_buf + file_size)) {
 278                 struct llog_rec_hdr *cur_rec;
 279                 int idx;
 280                 unsigned long offset;
 281
 282                 if (ptr + sizeof(**recs_pr) > file_buf + file_size) {
 283                         rc = -EINVAL;
 284                         llapi_error(LLAPI_MSG_ERROR, rc,
 285                                     "The log is corrupt (too big at %d)", i);
 286                         goto clear_recs_buf;
 287                 }
 288
 289                 cur_rec = (struct llog_rec_hdr *)ptr;
 290                 idx = __le32_to_cpu(cur_rec->lrh_index);
 291                 recs_pr[i] = cur_rec;
 292                 offset = (unsigned long)ptr - (unsigned long)file_buf;
 293                 if (cur_rec->lrh_len == 0 ||
 294                     cur_rec->lrh_len > (*llog)->llh_hdr.lrh_len) {
 295                         cur_rec->lrh_len = (*llog)->llh_hdr.lrh_len -
 296                                 offset % (*llog)->llh_hdr.lrh_len;
 297                         printf("off %lu skip %u to next chunk.\n", offset,
 298                                cur_rec->lrh_len);
 299                         i--;
 300                 } else if (ext2_test_bit(idx, LLOG_HDR_BITMAP(*llog))) {
 301                         printf("rec #%d type=%x len=%u offset %lu\n", idx,
 302                                cur_rec->lrh_type, cur_rec->lrh_len, offset);
 303                 } else {
 304                         printf("Bit %d of %d not set\n", idx, recs_num);
 305                         cur_rec->lrh_id = CANCELLED;
 306                         /* The header counts only set records */
 307                         i--;
 308                 }
 309
 310                 ptr += __le32_to_cpu(cur_rec->lrh_len);
 311                 if ((ptr - file_buf) > file_size) {
 312                         printf("The log is corrupt (too big at %d)\n", i);
 313                         rc = -EINVAL;
 314                         goto clear_recs_buf;
 315                 }
 316                 i++;
 317         }
 318
 319         *recs = recs_pr;
 320         *recs_number = recs_num;
 321
 322 out:
 323         return rc;
 324
 325 clear_recs_buf:
 326         free(recs_buf);
 327
 328 clear_file_buf:
 329         free(file_buf);
 330
 331         *llog = NULL;
 332         goto out;
 333 }
 334
 335 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
 336                         struct llog_rec_hdr **recs_buf)
 337 {
 338         free(llog_buf);
 339         free(recs_buf);
 340         return;
 341 }
 342
 343 void print_llog_header(struct llog_log_hdr *llog_buf)
 344 {
 345         time_t t;
 346
 347         printf("Header size : %u\n",
 348                __le32_to_cpu(llog_buf->llh_hdr.lrh_len));
 349
 350         t = __le64_to_cpu(llog_buf->llh_timestamp);
 351         printf("Time : %s", ctime(&t));
 352
 353         printf("Number of records: %u\n",
 354                __le32_to_cpu(llog_buf->llh_count)-1);
 355
 356         printf("Target uuid : %s\n",
 357                (char *)(&llog_buf->llh_tgtuuid));
 358
 359         /* Add the other info you want to view here */
 360
 361         printf("-----------------------\n");
 362         return;
 363 }
 364
 365 static void print_1_cfg(struct lustre_cfg *lcfg)
 366 {
 367         int i;
 368
 369         if (lcfg->lcfg_nid)
 370                 printf("nid=%s(%#jx)  ", libcfs_nid2str(lcfg->lcfg_nid),
 371                        (uintmax_t)lcfg->lcfg_nid);
 372         if (lcfg->lcfg_nal)
 373                 printf("nal=%d ", lcfg->lcfg_nal);
 374         for (i = 0; i <  lcfg->lcfg_bufcount; i++)
 375                 printf("%d:%.*s  ", i, lcfg->lcfg_buflens[i],
 376                        (char*)lustre_cfg_buf(lcfg, i));
 377         return;
 378 }
 379
 380
 381 static void print_setup_cfg(struct lustre_cfg *lcfg)
 382 {
 383         struct lov_desc *desc;
 384
 385         if ((lcfg->lcfg_bufcount == 2) &&
 386             (lcfg->lcfg_buflens[1] == sizeof(*desc))) {
 387                 printf("lov_setup ");
 388                 printf("0:%s  ", lustre_cfg_string(lcfg, 0));
 389                 printf("1:(struct lov_desc)\n");
 390                 desc = (struct lov_desc*)(lustre_cfg_string(lcfg, 1));
 391                 printf("\t\tuuid=%s  ", (char*)desc->ld_uuid.uuid);
 392                 printf("stripe:cnt=%u ", desc->ld_default_stripe_count);
 393                 printf("size=%ju ", (uintmax_t)desc->ld_default_stripe_size);
 394                 printf("offset=%ju ",
 395                        (uintmax_t)desc->ld_default_stripe_offset);
 396                 printf("pattern=%#x", desc->ld_pattern);
 397         } else {
 398                 printf("setup     ");
 399                 print_1_cfg(lcfg);
 400         }
 401
 402         return;
 403 }
 404
 405 void print_lustre_cfg(struct lustre_cfg *lcfg, int *skip)
 406 {
 407         enum lcfg_command_type cmd = __le32_to_cpu(lcfg->lcfg_command);
 408
 409         if (*skip > 0)
 410                 printf("SKIP ");
 411
 412         switch(cmd){
 413         case(LCFG_ATTACH):{
 414                 printf("attach    ");
 415                 print_1_cfg(lcfg);
 416                 break;
 417         }
 418         case(LCFG_SETUP):{
 419                 print_setup_cfg(lcfg);
 420                 break;
 421         }
 422         case(LCFG_DETACH):{
 423                 printf("detach    ");
 424                 print_1_cfg(lcfg);
 425                 break;
 426         }
 427         case(LCFG_CLEANUP):{
 428                 printf("cleanup   ");
 429                 print_1_cfg(lcfg);
 430                 break;
 431         }
 432         case(LCFG_ADD_UUID):{
 433                 printf("add_uuid  ");
 434                 print_1_cfg(lcfg);
 435                 break;
 436         }
 437         case(LCFG_DEL_UUID):{
 438                 printf("del_uuid  ");
 439                 print_1_cfg(lcfg);
 440                 break;
 441         }
 442         case(LCFG_ADD_CONN):{
 443                 printf("add_conn  ");
 444                 print_1_cfg(lcfg);
 445                 break;
 446         }
 447         case(LCFG_DEL_CONN):{
 448                 printf("del_conn  ");
 449                 print_1_cfg(lcfg);
 450                 break;
 451         }
 452         case(LCFG_LOV_ADD_OBD):{
 453                 printf("lov_modify_tgts add ");
 454                 print_1_cfg(lcfg);
 455                 break;
 456         }
 457         case(LCFG_LOV_DEL_OBD):{
 458                 printf("lov_modify_tgts del ");
 459                 print_1_cfg(lcfg);
 460                 break;
 461         }
 462         case(LCFG_ADD_MDC):{
 463                 printf("modify_mdc_tgts add ");
 464                 print_1_cfg(lcfg);
 465                 break;
 466         }
 467         case(LCFG_DEL_MDC):{
 468                 printf("modify_mdc_tgts del ");
 469                 print_1_cfg(lcfg);
 470                 break;
 471         }
 472         case(LCFG_MOUNTOPT):{
 473                 printf("mount_option ");
 474                 print_1_cfg(lcfg);
 475                 break;
 476         }
 477         case(LCFG_DEL_MOUNTOPT):{
 478                 printf("del_mount_option ");
 479                 print_1_cfg(lcfg);
 480                 break;
 481         }
 482         case(LCFG_SET_TIMEOUT):{
 483                 printf("set_timeout=%d ", lcfg->lcfg_num);
 484                 break;
 485         }
 486         case(LCFG_SET_LDLM_TIMEOUT):{
 487                 printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
 488                 break;
 489         }
 490         case(LCFG_SET_UPCALL):{
 491                 printf("set_lustre_upcall ");
 492                 print_1_cfg(lcfg);
 493                 break;
 494         }
 495         case(LCFG_PARAM):{
 496                 printf("param ");
 497                 print_1_cfg(lcfg);
 498                 break;
 499         }
 500         case(LCFG_SET_PARAM):{
 501                 printf("set_param ");
 502                 print_1_cfg(lcfg);
 503                 break;
 504         }
 505         case(LCFG_SPTLRPC_CONF):{
 506                 printf("sptlrpc_conf ");
 507                 print_1_cfg(lcfg);
 508                 break;
 509         }
 510         case(LCFG_MARKER):{
 511                 struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
 512                 char createtime[26], canceltime[26] = "";
 513                 time_t time_tmp;
 514
 515                 if (marker->cm_flags & CM_START &&
 516                     marker->cm_flags & CM_SKIP) {
 517                         printf("SKIP START ");
 518                         (*skip)++;
 519                 } else if (marker->cm_flags & CM_END) {
 520                         printf(     "END   ");
 521                         *skip = 0;
 522                 }
 523
 524                 if (marker->cm_flags & CM_EXCLUDE) {
 525                         if (marker->cm_flags & CM_START)
 526                                 printf("EXCLUDE START ");
 527                         else
 528                                 printf("EXCLUDE END   ");
 529                 }
 530
 531                 /* Handle overflow of 32-bit time_t gracefully.
 532                  * The copy to time_tmp is needed in any case to
 533                  * keep the pointer happy, even on 64-bit systems. */
 534                 time_tmp = marker->cm_createtime;
 535                 if (time_tmp == marker->cm_createtime) {
 536                         ctime_r(&time_tmp, createtime);
 537                         createtime[strlen(createtime) - 1] = 0;
 538                 } else {
 539                         strcpy(createtime, "in the distant future");
 540                 }
 541
 542                 if (marker->cm_canceltime) {
 543                         /* Like cm_createtime, we try to handle overflow of
 544                          * 32-bit time_t gracefully. The copy to time_tmp
 545                          * is also needed on 64-bit systems to keep the
 546                          * pointer happy, see bug 16771 */
 547                         time_tmp = marker->cm_canceltime;
 548                         if (time_tmp == marker->cm_canceltime) {
 549                                 ctime_r(&time_tmp, canceltime);
 550                                 canceltime[strlen(canceltime) - 1] = 0;
 551                         } else {
 552                                 strcpy(canceltime, "in the distant future");
 553                         }
 554                 }
 555
 556                 printf("marker %3d (flags=%#04x, v%d.%d.%d.%d) %-15s '%s' %s-%s",
 557                        marker->cm_step, marker->cm_flags,
 558                        OBD_OCD_VERSION_MAJOR(marker->cm_vers),
 559                        OBD_OCD_VERSION_MINOR(marker->cm_vers),
 560                        OBD_OCD_VERSION_PATCH(marker->cm_vers),
 561                        OBD_OCD_VERSION_FIX(marker->cm_vers),
 562                        marker->cm_tgtname, marker->cm_comment,
 563                        createtime, canceltime);
 564                 break;
 565         }
 566         case(LCFG_POOL_NEW):{
 567                 printf("pool new ");
 568                 print_1_cfg(lcfg);
 569                 break;
 570         }
 571         case(LCFG_POOL_ADD):{
 572                 printf("pool add ");
 573                 print_1_cfg(lcfg);
 574                 break;
 575         }
 576         case(LCFG_POOL_REM):{
 577                 printf("pool remove ");
 578                 print_1_cfg(lcfg);
 579                 break;
 580         }
 581         case(LCFG_POOL_DEL):{
 582                 printf("pool destroy ");
 583                 print_1_cfg(lcfg);
 584                 break;
 585         }
 586         default:
 587                 printf("unsupported cmd_code = %x\n",cmd);
 588         }
 589         printf("\n");
 590         return;
 591 }
 592
 593 static void print_hsm_action(struct llog_agent_req_rec *larr)
 594 {
 595         char    buf[12];
 596         int     sz;
 597
 598         sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
 599         printf("lrh=[type=%X len=%d idx=%d] fid="DFID
 600                " compound/cookie=%#jx/%#jx"
 601                " status=%s action=%s archive#=%d flags=%#jx"
 602                " create=%ju change=%ju"
 603                " extent=%#jx-%#jx gid=%#jx datalen=%d"
 604                " data=[%s]\n",
 605                larr->arr_hdr.lrh_type,
 606                larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
 607                PFID(&larr->arr_hai.hai_fid),
 608                (uintmax_t)larr->arr_compound_id,
 609                (uintmax_t)larr->arr_hai.hai_cookie,
 610                agent_req_status2name(larr->arr_status),
 611                hsm_copytool_action2name(larr->arr_hai.hai_action),
 612                larr->arr_archive_id,
 613                (uintmax_t)larr->arr_flags,
 614                (uintmax_t)larr->arr_req_create,
 615                (uintmax_t)larr->arr_req_change,
 616                (uintmax_t)larr->arr_hai.hai_extent.offset,
 617                (uintmax_t)larr->arr_hai.hai_extent.length,
 618                (uintmax_t)larr->arr_hai.hai_gid, sz,
 619                hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
 620 }
 621
 622 void print_changelog_rec(struct llog_changelog_rec *rec)
 623 {
 624         printf("changelog record id:0x%x cr_flags:0x%x cr_type:%s(0x%x)\n",
 625                __le32_to_cpu(rec->cr_hdr.lrh_id),
 626                __le32_to_cpu(rec->cr.cr_flags),
 627                changelog_type2str(__le32_to_cpu(rec->cr.cr_type)),
 628                __le32_to_cpu(rec->cr.cr_type));
 629 }
 630
 631 static void print_records(struct llog_rec_hdr **recs,
 632                           int rec_number, int is_ext)
 633 {
 634         __u32 lopt;
 635         int i, skip = 0;
 636
 637         for (i = 0; i < rec_number; i++) {
 638                 printf("#%.2d (%.3d)", __le32_to_cpu(recs[i]->lrh_index),
 639                        __le32_to_cpu(recs[i]->lrh_len));
 640
 641                 lopt = __le32_to_cpu(recs[i]->lrh_type);
 642
 643                 if (recs[i]->lrh_id == CANCELLED)
 644                         printf("NOT SET ");
 645
 646                 switch (lopt) {
 647                 case OBD_CFG_REC:
 648                         print_lustre_cfg(
 649                                 (struct lustre_cfg *)((char *)(recs[i]) +
 650                                 sizeof(struct llog_rec_hdr)), &skip);
 651                         break;
 652                 case LLOG_PAD_MAGIC:
 653                         printf("padding\n");
 654                         break;
 655                 case LLOG_LOGID_MAGIC:
 656                         print_log_path((struct llog_logid_rec *)recs[i],
 657                                        is_ext);
 658                         break;
 659                 case HSM_AGENT_REC:
 660                         print_hsm_action((struct llog_agent_req_rec *)recs[i]);
 661                         break;
 662                 case CHANGELOG_REC:
 663                         print_changelog_rec((struct llog_changelog_rec *)
 664                                             recs[i]);
 665                         break;
 666                 case CHANGELOG_USER_REC:
 667                         printf("changelog_user record id:0x%x\n",
 668                                __le32_to_cpu(recs[i]->lrh_id));
 669                         break;
 670                 default:
 671                         printf("unknown type %x\n", lopt);
 672                         break;
 673                 }
 674         }
 675 }
 676
 677 /** @} llog_reader */