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, 2017, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  */
  31 /** \defgroup llog_reader Lustre Log Reader
  32  *
  33  * Interpret llogs used for storing configuration and changelog data
  34  *
  35  * @{
  36  */
  37
  38 #include <errno.h>
  39 #include <limits.h>
  40 #include <stdbool.h>
  41 #include <stdio.h>
  42 #include <stdlib.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 <linux/lnet/nidstr.h>
  56 #include <linux/lustre/lustre_cfg.h>
  57 #include <linux/lustre/lustre_fid.h>
  58 #include <linux/lustre/lustre_ostid.h>
  59 #include <linux/lustre/lustre_log_user.h>
  60 #include <lustre/lustreapi.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
  67         return (tmp[nr >> 3] >> (nr & 7)) & 1;
  68 #else
  69         const unsigned long *tmp = addr;
  70
  71         return ((1UL << (nr & (__WORDSIZE - 1))) &
  72                 ((tmp)[nr / __WORDSIZE])) != 0;
  73 #endif
  74 }
  75
  76 int llog_pack_buffer(int fd, struct llog_log_hdr **llog_buf,
  77                      struct llog_rec_hdr ***recs, int *recs_number);
  78
  79 void print_llog_header(struct llog_log_hdr *llog_buf);
  80 static void print_records(struct llog_rec_hdr **recs_buf,
  81                           int rec_number, int is_ext);
  82 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
  83                         struct llog_rec_hdr **recs_buf);
  84
  85 #define CANCELLED 0x678
  86
  87 #define PTL_CMD_BASE 100
  88 char *portals_command[17] = {
  89         "REGISTER_PEER_FD",
  90         "CLOSE_CONNECTION",
  91         "REGISTER_MYNID",
  92         "PUSH_CONNECTION",
  93         "GET_CONN",
  94         "DEL_PEER",
  95         "ADD_PEER",
  96         "GET_PEER",
  97         "GET_TXDESC",
  98         "ADD_ROUTE",
  99         "DEL_ROUTE",
 100         "GET_ROUTE",
 101         "NOTIFY_ROUTER",
 102         "ADD_INTERFACE",
 103         "DEL_INTERFACE",
 104         "GET_INTERFACE",
 105         ""
 106 };
 107
 108 int is_fstype_ext(int fd)
 109 {
 110         struct statfs st;
 111         int rc;
 112
 113         rc = fstatfs(fd, &st);
 114         if (rc < 0) {
 115                 llapi_error(LLAPI_MSG_ERROR, rc, "Got statfs error.");
 116                 return -errno;
 117         }
 118
 119         return (st.f_type == EXT4_SUPER_MAGIC);
 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         char object_path[255];
 140         struct lu_fid fid_from_logid;
 141
 142         logid_to_fid(&lid->lid_id, &fid_from_logid);
 143
 144         if (is_ext)
 145                 snprintf(object_path, sizeof(object_path),
 146                          "O/%ju/d%u/%u", (uintmax_t)fid_from_logid.f_seq,
 147                          fid_from_logid.f_oid % 32,
 148                          fid_from_logid.f_oid);
 149         else
 150                 snprintf(object_path, sizeof(object_path),
 151                          "oi.%ju/"DFID_NOBRACE,
 152                          (uintmax_t)(fid_from_logid.f_seq &
 153                                      (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                 llapi_error(LLAPI_MSG_ERROR, -rc,
 188                             "Unable to determine filesystem type for %s",
 189                        argv[1]);
 190                 goto out_fd;
 191         }
 192
 193         rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
 194         if (rc < 0) {
 195                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not pack buffer.");
 196                 goto out_fd;
 197         }
 198
 199         if (llog_buf)
 200                 print_llog_header(llog_buf);
 201         if (recs_buf)
 202                 print_records(recs_buf, rec_number, is_ext);
 203         llog_unpack_buffer(fd, llog_buf, recs_buf);
 204
 205 out_fd:
 206         close(fd);
 207 out:
 208         return rc;
 209 }
 210
 211 int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
 212                      struct llog_rec_hdr ***recs,
 213                      int *recs_number)
 214 {
 215         int rc = 0, recs_num, rd = 0;
 216         long long file_size;
 217         struct stat st;
 218         char *file_buf = NULL, *recs_buf = NULL;
 219         struct llog_rec_hdr **recs_pr = NULL;
 220         char *ptr = NULL;
 221         int count;
 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: want=%zd got=%lld",
 235                             sizeof(**llog), file_size);
 236                 rc = -EIO;
 237                 goto out;
 238         }
 239
 240         file_buf = malloc(file_size);
 241         if (!file_buf) {
 242                 rc = -ENOMEM;
 243                 llapi_error(LLAPI_MSG_ERROR, rc, "Memory Alloc for file_buf.");
 244                 goto out;
 245         }
 246         *llog = (struct llog_log_hdr *)file_buf;
 247
 248         do {
 249                 rc = read(fd, file_buf + rd, file_size - rd);
 250                 if (rc > 0)
 251                         rd += rc;
 252         } while (rc > 0 && rd < file_size);
 253
 254         if (rd < file_size) {
 255                 rc = rc < 0 ? -errno : -EIO;
 256                 llapi_error(LLAPI_MSG_ERROR, rc,
 257                             "Error reading llog header: need %zd, got %d",
 258                             sizeof(**llog), rd);
 259                 goto clear_file_buf;
 260         }
 261
 262         count = __le32_to_cpu((*llog)->llh_count);
 263         if (count < 0) {
 264                 rc = -EINVAL;
 265                 llapi_error(LLAPI_MSG_ERROR, rc,
 266                             "corrupted llog: negative record number %d",
 267                             count);
 268                 goto clear_file_buf;
 269         } else if (count == 0) {
 270                 llapi_printf(LLAPI_MSG_NORMAL,
 271                              "uninitialized llog: zero record number\n");
 272                 *recs_number = 0;
 273                 goto clear_file_buf;
 274         }
 275         /* the llog header not countable here.*/
 276         recs_num = count - 1;
 277
 278         recs_buf = calloc(recs_num, sizeof(**recs_pr));
 279         if (!recs_buf) {
 280                 rc = -ENOMEM;
 281                 llapi_error(LLAPI_MSG_ERROR, rc,
 282                             "Error allocating %zd bytes for recs_buf",
 283                             recs_num * sizeof(**recs_pr));
 284                 goto clear_file_buf;
 285         }
 286         recs_pr = (struct llog_rec_hdr **)recs_buf;
 287
 288         ptr = file_buf + __le32_to_cpu((*llog)->llh_hdr.lrh_len);
 289         i = 0;
 290
 291         while (ptr < (file_buf + file_size)) {
 292                 struct llog_rec_hdr *cur_rec;
 293                 int idx;
 294                 unsigned long offset;
 295
 296                 if (ptr + sizeof(**recs_pr) > file_buf + file_size) {
 297                         rc = -EINVAL;
 298                         llapi_error(LLAPI_MSG_ERROR, rc,
 299                                     "The log is corrupt (too big at %d)", i);
 300                         goto clear_recs_buf;
 301                 }
 302
 303                 cur_rec = (struct llog_rec_hdr *)ptr;
 304                 idx = __le32_to_cpu(cur_rec->lrh_index);
 305                 recs_pr[i] = cur_rec;
 306                 offset = (unsigned long)ptr - (unsigned long)file_buf;
 307                 if (cur_rec->lrh_len == 0 ||
 308                     cur_rec->lrh_len > (*llog)->llh_hdr.lrh_len) {
 309                         cur_rec->lrh_len = (*llog)->llh_hdr.lrh_len -
 310                                 offset % (*llog)->llh_hdr.lrh_len;
 311                         printf("off %lu skip %u to next chunk.\n", offset,
 312                                cur_rec->lrh_len);
 313                         i--;
 314                 } else if (ext2_test_bit(idx, LLOG_HDR_BITMAP(*llog))) {
 315                         printf("rec #%d type=%x len=%u offset %lu\n", idx,
 316                                cur_rec->lrh_type, cur_rec->lrh_len, offset);
 317                 } else {
 318                         printf("Bit %d of %d not set\n", idx, recs_num);
 319                         cur_rec->lrh_id = CANCELLED;
 320                         /* The header counts only set records */
 321                         i--;
 322                 }
 323
 324                 ptr += __le32_to_cpu(cur_rec->lrh_len);
 325                 if ((ptr - file_buf) > file_size) {
 326                         printf("The log is corrupt (too big at %d)\n", i);
 327                         rc = -EINVAL;
 328                         goto clear_recs_buf;
 329                 }
 330                 i++;
 331         }
 332
 333         *recs = recs_pr;
 334         *recs_number = recs_num;
 335
 336 out:
 337         return rc;
 338
 339 clear_recs_buf:
 340         free(recs_buf);
 341
 342 clear_file_buf:
 343         free(file_buf);
 344
 345         *llog = NULL;
 346         goto out;
 347 }
 348
 349 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
 350                         struct llog_rec_hdr **recs_buf)
 351 {
 352         if (llog_buf)
 353                 free(llog_buf);
 354         if (recs_buf)
 355                 free(recs_buf);
 356 }
 357
 358 void print_llog_header(struct llog_log_hdr *llog_buf)
 359 {
 360         time_t t;
 361
 362         printf("Header size : %u\n",
 363                __le32_to_cpu(llog_buf->llh_hdr.lrh_len));
 364
 365         t = __le64_to_cpu(llog_buf->llh_timestamp);
 366         printf("Time : %s", ctime(&t));
 367
 368         printf("Number of records: %u\n",
 369                __le32_to_cpu(llog_buf->llh_count) - 1);
 370
 371         printf("Target uuid : %s\n",
 372                (char *)(&llog_buf->llh_tgtuuid));
 373
 374         /* Add the other info you want to view here */
 375
 376         printf("-----------------------\n");
 377 }
 378
 379 static void print_1_cfg(struct lustre_cfg *lcfg)
 380 {
 381         int i;
 382
 383         if (lcfg->lcfg_nid)
 384                 printf("nid=%s(%#jx)  ", libcfs_nid2str(lcfg->lcfg_nid),
 385                        (uintmax_t)lcfg->lcfg_nid);
 386         if (lcfg->lcfg_nal)
 387                 printf("nal=%d ", lcfg->lcfg_nal);
 388         for (i = 0; i <  lcfg->lcfg_bufcount; i++)
 389                 printf("%d:%.*s  ", i, lcfg->lcfg_buflens[i],
 390                        (char *)lustre_cfg_buf(lcfg, i));
 391 }
 392
 393 static char *lustre_cfg_string(struct lustre_cfg *lcfg, __u32 index)
 394 {
 395         char *s;
 396
 397         if (lcfg->lcfg_buflens[index] == 0)
 398                 return NULL;
 399
 400         s = lustre_cfg_buf(lcfg, index);
 401         if (!s)
 402                 return NULL;
 403
 404         /*
 405          * make sure it's NULL terminated, even if this kills a char
 406          * of data. Try to use the padding first though.
 407          */
 408         if (s[lcfg->lcfg_buflens[index] - 1] != '\0') {
 409                 size_t last = __ALIGN_KERNEL(lcfg->lcfg_buflens[index], 8) - 1;
 410                 char lost;
 411
 412                 /* Use the smaller value */
 413                 if (last > lcfg->lcfg_buflens[index])
 414                         last = lcfg->lcfg_buflens[index];
 415
 416                 lost = s[last];
 417                 s[last] = '\0';
 418                 if (lost != '\0') {
 419                         fprintf(stderr,
 420                                 "Truncated buf %d to '%s' (lost '%c'...)\n",
 421                                 index, s, lost);
 422                 }
 423         }
 424         return s;
 425 }
 426
 427 static void print_setup_cfg(struct lustre_cfg *lcfg)
 428 {
 429         struct lov_desc *desc;
 430
 431         if ((lcfg->lcfg_bufcount == 2) &&
 432             (lcfg->lcfg_buflens[1] == sizeof(*desc))) {
 433                 printf("lov_setup ");
 434                 printf("0:%s  ", lustre_cfg_string(lcfg, 0));
 435                 printf("1:(struct lov_desc)\n");
 436                 desc = (struct lov_desc *)(lustre_cfg_string(lcfg, 1));
 437                 printf("\t\tuuid=%s  ", (char *)desc->ld_uuid.uuid);
 438                 printf("stripe:cnt=%u ", desc->ld_default_stripe_count);
 439                 printf("size=%ju ", (uintmax_t)desc->ld_default_stripe_size);
 440                 printf("offset=%ju ",
 441                        (uintmax_t)desc->ld_default_stripe_offset);
 442                 printf("pattern=%#x", desc->ld_pattern);
 443         } else {
 444                 printf("setup     ");
 445                 print_1_cfg(lcfg);
 446         }
 447 }
 448
 449 void print_lustre_cfg(struct lustre_cfg *lcfg, int *skip)
 450 {
 451         enum lcfg_command_type cmd = __le32_to_cpu(lcfg->lcfg_command);
 452
 453         if (*skip > 0)
 454                 printf("SKIP ");
 455
 456         switch (cmd) {
 457         case(LCFG_ATTACH):{
 458                 printf("attach    ");
 459                 print_1_cfg(lcfg);
 460                 break;
 461         }
 462         case(LCFG_SETUP):{
 463                 print_setup_cfg(lcfg);
 464                 break;
 465         }
 466         case(LCFG_DETACH):{
 467                 printf("detach    ");
 468                 print_1_cfg(lcfg);
 469                 break;
 470         }
 471         case(LCFG_CLEANUP):{
 472                 printf("cleanup   ");
 473                 print_1_cfg(lcfg);
 474                 break;
 475         }
 476         case(LCFG_ADD_UUID):{
 477                 printf("add_uuid  ");
 478                 print_1_cfg(lcfg);
 479                 break;
 480         }
 481         case(LCFG_DEL_UUID):{
 482                 printf("del_uuid  ");
 483                 print_1_cfg(lcfg);
 484                 break;
 485         }
 486         case(LCFG_ADD_CONN):{
 487                 printf("add_conn  ");
 488                 print_1_cfg(lcfg);
 489                 break;
 490         }
 491         case(LCFG_DEL_CONN):{
 492                 printf("del_conn  ");
 493                 print_1_cfg(lcfg);
 494                 break;
 495         }
 496         case(LCFG_LOV_ADD_OBD):{
 497                 printf("lov_modify_tgts add ");
 498                 print_1_cfg(lcfg);
 499                 break;
 500         }
 501         case(LCFG_LOV_DEL_OBD):{
 502                 printf("lov_modify_tgts del ");
 503                 print_1_cfg(lcfg);
 504                 break;
 505         }
 506         case(LCFG_ADD_MDC):{
 507                 printf("modify_mdc_tgts add ");
 508                 print_1_cfg(lcfg);
 509                 break;
 510         }
 511         case(LCFG_DEL_MDC):{
 512                 printf("modify_mdc_tgts del ");
 513                 print_1_cfg(lcfg);
 514                 break;
 515         }
 516         case(LCFG_MOUNTOPT):{
 517                 printf("mount_option ");
 518                 print_1_cfg(lcfg);
 519                 break;
 520         }
 521         case(LCFG_DEL_MOUNTOPT):{
 522                 printf("del_mount_option ");
 523                 print_1_cfg(lcfg);
 524                 break;
 525         }
 526         case(LCFG_SET_TIMEOUT):{
 527                 printf("set_timeout=%d ", lcfg->lcfg_num);
 528                 break;
 529         }
 530         case(LCFG_SET_LDLM_TIMEOUT):{
 531                 printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
 532                 break;
 533         }
 534         case(LCFG_SET_UPCALL):{
 535                 printf("set_lustre_upcall ");
 536                 print_1_cfg(lcfg);
 537                 break;
 538         }
 539         case(LCFG_PARAM):{
 540                 printf("param ");
 541                 print_1_cfg(lcfg);
 542                 break;
 543         }
 544         case(LCFG_SET_PARAM):{
 545                 printf("set_param ");
 546                 print_1_cfg(lcfg);
 547                 break;
 548         }
 549         case(LCFG_SPTLRPC_CONF):{
 550                 printf("sptlrpc_conf ");
 551                 print_1_cfg(lcfg);
 552                 break;
 553         }
 554         case(LCFG_MARKER):{
 555                 struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
 556                 char createtime[26], canceltime[26] = "";
 557                 time_t time_tmp;
 558
 559                 if (marker->cm_flags & CM_START &&
 560                     marker->cm_flags & CM_SKIP) {
 561                         printf("SKIP START ");
 562                         (*skip)++;
 563                 } else if (marker->cm_flags & CM_END) {
 564                         printf("END   ");
 565                         *skip = 0;
 566                 }
 567
 568                 if (marker->cm_flags & CM_EXCLUDE) {
 569                         if (marker->cm_flags & CM_START)
 570                                 printf("EXCLUDE START ");
 571                         else
 572                                 printf("EXCLUDE END   ");
 573                 }
 574
 575                 /*
 576                  * Handle overflow of 32-bit time_t gracefully.
 577                  * The copy to time_tmp is needed in any case to
 578                  * keep the pointer happy, even on 64-bit systems.
 579                  */
 580                 time_tmp = marker->cm_createtime;
 581                 if (time_tmp == marker->cm_createtime) {
 582                         ctime_r(&time_tmp, createtime);
 583                         createtime[strlen(createtime) - 1] = 0;
 584                 } else {
 585                         strcpy(createtime, "in the distant future");
 586                 }
 587
 588                 if (marker->cm_canceltime) {
 589                         /*
 590                          * Like cm_createtime, we try to handle overflow of
 591                          * 32-bit time_t gracefully. The copy to time_tmp
 592                          * is also needed on 64-bit systems to keep the
 593                          * pointer happy, see bug 16771
 594                          */
 595                         time_tmp = marker->cm_canceltime;
 596                         if (time_tmp == marker->cm_canceltime) {
 597                                 ctime_r(&time_tmp, canceltime);
 598                                 canceltime[strlen(canceltime) - 1] = 0;
 599                         } else {
 600                                 strcpy(canceltime, "in the distant future");
 601                         }
 602                 }
 603
 604                 printf("marker %3d (flags=%#04x, v%d.%d.%d.%d) %-15s '%s' %s-%s",
 605                        marker->cm_step, marker->cm_flags,
 606                        OBD_OCD_VERSION_MAJOR(marker->cm_vers),
 607                        OBD_OCD_VERSION_MINOR(marker->cm_vers),
 608                        OBD_OCD_VERSION_PATCH(marker->cm_vers),
 609                        OBD_OCD_VERSION_FIX(marker->cm_vers),
 610                        marker->cm_tgtname, marker->cm_comment,
 611                        createtime, canceltime);
 612                 break;
 613         }
 614         case(LCFG_POOL_NEW):{
 615                 printf("pool new ");
 616                 print_1_cfg(lcfg);
 617                 break;
 618         }
 619         case(LCFG_POOL_ADD):{
 620                 printf("pool add ");
 621                 print_1_cfg(lcfg);
 622                 break;
 623         }
 624         case(LCFG_POOL_REM):{
 625                 printf("pool remove ");
 626                 print_1_cfg(lcfg);
 627                 break;
 628         }
 629         case(LCFG_POOL_DEL):{
 630                 printf("pool destroy ");
 631                 print_1_cfg(lcfg);
 632                 break;
 633         }
 634         default:
 635                 printf("unsupported cmd_code = %x\n", cmd);
 636         }
 637         printf("\n");
 638 }
 639
 640 static void print_hsm_action(struct llog_agent_req_rec *larr)
 641 {
 642         char buf[12];
 643         int sz;
 644
 645         sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
 646         printf("lrh=[type=%X len=%d idx=%d] fid="DFID" compound/cookie=%#llx/%#llx status=%s action=%s archive#=%d flags=%#llx create=%llu change=%llu extent=%#llx-%#llx gid=%#llx datalen=%d data=[%s]\n",
 647                larr->arr_hdr.lrh_type,
 648                larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
 649                PFID(&larr->arr_hai.hai_fid),
 650                (unsigned long long)larr->arr_compound_id,
 651                (unsigned long long)larr->arr_hai.hai_cookie,
 652                agent_req_status2name(larr->arr_status),
 653                hsm_copytool_action2name(larr->arr_hai.hai_action),
 654                larr->arr_archive_id,
 655                (unsigned long long)larr->arr_flags,
 656                (unsigned long long)larr->arr_req_create,
 657                (unsigned long long)larr->arr_req_change,
 658                (unsigned long long)larr->arr_hai.hai_extent.offset,
 659                (unsigned long long)larr->arr_hai.hai_extent.length,
 660                (unsigned long long)larr->arr_hai.hai_gid, sz,
 661                hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
 662 }
 663
 664 void print_changelog_rec(struct llog_changelog_rec *rec)
 665 {
 666         time_t secs;
 667         struct tm ts;
 668
 669         secs = __le64_to_cpu(rec->cr.cr_time) >> 30;
 670         gmtime_r(&secs, &ts);
 671         printf("changelog record id:0x%x index:%llu cr_flags:0x%x cr_type:%s(0x%x) date:'%02d:%02d:%02d.%09d %04d.%02d.%02d' target:"DFID,
 672                __le32_to_cpu(rec->cr_hdr.lrh_id),
 673                (unsigned long long)__le64_to_cpu(rec->cr.cr_index),
 674                __le32_to_cpu(rec->cr.cr_flags),
 675                changelog_type2str(__le32_to_cpu(rec->cr.cr_type)),
 676                __le32_to_cpu(rec->cr.cr_type),
 677                ts.tm_hour, ts.tm_min, ts.tm_sec,
 678                (int)(__le64_to_cpu(rec->cr.cr_time) & ((1 << 30) - 1)),
 679                ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
 680                PFID(&rec->cr.cr_tfid));
 681
 682         if (rec->cr.cr_flags & CLF_JOBID) {
 683                 struct changelog_ext_jobid *jid =
 684                         changelog_rec_jobid(&rec->cr);
 685
 686                 if (jid->cr_jobid[0] != '\0')
 687                         printf(" jobid:%s", jid->cr_jobid);
 688         }
 689
 690         if (rec->cr.cr_flags & CLF_EXTRA_FLAGS) {
 691                 struct changelog_ext_extra_flags *ef =
 692                         changelog_rec_extra_flags(&rec->cr);
 693
 694                 printf(" cr_extra_flags:0x%llx",
 695                        (unsigned long long)__le64_to_cpu(ef->cr_extra_flags));
 696
 697                 if (ef->cr_extra_flags & CLFE_UIDGID) {
 698                         struct changelog_ext_uidgid *uidgid =
 699                                 changelog_rec_uidgid(&rec->cr);
 700
 701                         printf(" user:%u:%u",
 702                                __le32_to_cpu(uidgid->cr_uid),
 703                                __le32_to_cpu(uidgid->cr_gid));
 704                 }
 705                 if (ef->cr_extra_flags & CLFE_NID) {
 706                         struct changelog_ext_nid *nid =
 707                                 changelog_rec_nid(&rec->cr);
 708
 709                         printf(" nid:%s",
 710                                libcfs_nid2str(nid->cr_nid));
 711                 }
 712
 713                 if (ef->cr_extra_flags & CLFE_OPEN) {
 714                         struct changelog_ext_openmode *omd =
 715                                 changelog_rec_openmode(&rec->cr);
 716                         char mode[] = "---";
 717
 718                         /* exec mode must be exclusive */
 719                         if (__le32_to_cpu(omd->cr_openflags) & MDS_FMODE_EXEC) {
 720                                 mode[2] = 'x';
 721                         } else {
 722                                 if (__le32_to_cpu(omd->cr_openflags) &
 723                                     MDS_FMODE_READ)
 724                                         mode[0] = 'r';
 725                                 if (__le32_to_cpu(omd->cr_openflags) &
 726                            (MDS_FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
 727                                         mode[1] = 'w';
 728                         }
 729
 730                         if (strcmp(mode, "---") != 0)
 731                                 printf(" mode:%s", mode);
 732                 }
 733
 734                 if (ef->cr_extra_flags & CLFE_XATTR) {
 735                         struct changelog_ext_xattr *xattr =
 736                                 changelog_rec_xattr(&rec->cr);
 737
 738                         if (xattr->cr_xattr[0] != '\0')
 739                                 printf(" xattr:%s", xattr->cr_xattr);
 740                 }
 741         }
 742
 743         if (rec->cr.cr_namelen)
 744                 printf(" parent:"DFID" name:%.*s", PFID(&rec->cr.cr_pfid),
 745                        __le32_to_cpu(rec->cr.cr_namelen),
 746                        changelog_rec_name(&rec->cr));
 747
 748         if (rec->cr.cr_flags & CLF_RENAME) {
 749                 struct changelog_ext_rename *rnm =
 750                         changelog_rec_rename(&rec->cr);
 751
 752                 if (!fid_is_zero(&rnm->cr_sfid))
 753                         printf(" source_fid:"DFID" source_parent_fid:"DFID
 754                                " %.*s",
 755                                PFID(&rnm->cr_sfid),
 756                                PFID(&rnm->cr_spfid),
 757                                (int)__le32_to_cpu(
 758                                        changelog_rec_snamelen(&rec->cr)),
 759                                changelog_rec_sname(&rec->cr));
 760         }
 761         printf("\n");
 762 }
 763
 764 static void print_records(struct llog_rec_hdr **recs,
 765                           int rec_number, int is_ext)
 766 {
 767         __u32 lopt;
 768         int i, skip = 0;
 769
 770         for (i = 0; i < rec_number; i++) {
 771                 if (!recs[i]) {
 772                         llapi_printf(LLAPI_MSG_NORMAL,
 773                                      "uninitialized llog record at index %d\n",
 774                                      i);
 775                         break;
 776                 }
 777                 printf("#%.2d (%.3d)", __le32_to_cpu(recs[i]->lrh_index),
 778                        __le32_to_cpu(recs[i]->lrh_len));
 779
 780                 lopt = __le32_to_cpu(recs[i]->lrh_type);
 781
 782                 if (recs[i]->lrh_id == CANCELLED)
 783                         printf("NOT SET ");
 784
 785                 switch (lopt) {
 786                 case OBD_CFG_REC:
 787                         print_lustre_cfg(
 788                                 (struct lustre_cfg *)((char *)(recs[i]) +
 789                                 sizeof(struct llog_rec_hdr)), &skip);
 790                         break;
 791                 case LLOG_PAD_MAGIC:
 792                         printf("padding\n");
 793                         break;
 794                 case LLOG_LOGID_MAGIC:
 795                         print_log_path((struct llog_logid_rec *)recs[i],
 796                                        is_ext);
 797                         break;
 798                 case HSM_AGENT_REC:
 799                         print_hsm_action((struct llog_agent_req_rec *)recs[i]);
 800                         break;
 801                 case CHANGELOG_REC:
 802                         print_changelog_rec((struct llog_changelog_rec *)
 803                                             recs[i]);
 804                         break;
 805                 case CHANGELOG_USER_REC:
 806                         printf("changelog_user record id:0x%x\n",
 807                                __le32_to_cpu(recs[i]->lrh_id));
 808                         break;
 809                 default:
 810                         printf("unknown type %x\n", lopt);
 811                         break;
 812                 }
 813         }
 814 }
 815
 816 /** @} llog_reader */