lustre/utils/obd.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) 2002, 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  * Lustre is a trademark of Sun Microsystems, Inc.
  31  *
  32  * lustre/utils/obd.c
  33  *
  34  * Author: Peter J. Braam <braam@clusterfs.com>
  35  * Author: Phil Schwan <phil@clusterfs.com>
  36  * Author: Andreas Dilger <adilger@clusterfs.com>
  37  * Author: Robert Read <rread@clusterfs.com>
  38  */
  39
  40 #include <sys/ioctl.h>
  41 #include <sys/socket.h>
  42 #include <sys/stat.h>
  43 #include <sys/time.h>
  44 #include <sys/types.h>
  45 #include <sys/un.h>
  46 #include <sys/wait.h>
  47
  48 #include <ctype.h>
  49 #include <errno.h>
  50 #include <fcntl.h>
  51 #include <getopt.h>
  52 #include <signal.h>
  53 #include <stdarg.h>
  54 #include <stdbool.h>
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <string.h>
  58 #include <time.h>
  59 #include <unistd.h>
  60 #include <limits.h>
  61 #include "obdctl.h"
  62 #include "lustreapi_internal.h"
  63 #include <libcfs/util/list.h>
  64 #include <libcfs/util/ioctl.h>
  65 #include <libcfs/util/param.h>
  66 #include <libcfs/util/parser.h>
  67 #include <libcfs/util/string.h>
  68
  69 #include <linux/lnet/nidstr.h>
  70 #include <linux/lnet/lnetctl.h>
  71 #include <linux/lustre/lustre_barrier_user.h>
  72 #include <linux/lustre/lustre_cfg.h>
  73 #include <linux/lustre/lustre_ioctl.h>
  74 #include <linux/lustre/lustre_ostid.h>
  75 #include <linux/lustre/lustre_param.h>
  76 #include <linux/lustre/lustre_ver.h>
  77
  78 #include <lustre/lustreapi.h>
  79
  80 #define MAX_STRING_SIZE 128
  81
  82 #if HAVE_LIBPTHREAD
  83 #include <sys/ipc.h>
  84 #include <sys/shm.h>
  85 #include <pthread.h>
  86
  87 #define MAX_THREADS 4096
  88 #define MAX_BASE_ID 0xffffffff
  89 #define NIDSTRING_LENGTH 64
  90 struct shared_data {
  91         pthread_mutex_t mutex;
  92         pthread_cond_t  cond;
  93         int       stopping;
  94         struct {
  95                 __u64 counters[MAX_THREADS];
  96                 __u64 offsets[MAX_THREADS];
  97                 int   thr_running;
  98                 int   start_barrier;
  99                 int   stop_barrier;
 100                 struct timeval start_time;
 101                 struct timeval end_time;
 102         } body;
 103 };
 104
 105 static struct shared_data *shared_data;
 106 static __u64 counter_snapshot[2][MAX_THREADS];
 107 static int prev_valid;
 108 static struct timeval prev_time;
 109 static int thread;
 110 static int nthreads;
 111 #else
 112 const int thread = 0;
 113 const int nthreads = 1;
 114 #endif
 115
 116 static int cur_device = -1;
 117
 118 static int l2_ioctl(int dev_id, int opc, void *buf)
 119 {
 120         return l_ioctl(dev_id, opc, buf);
 121 }
 122
 123 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
 124 {
 125         struct obd_ioctl_data data;
 126         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 127         int rc;
 128
 129         memset(&data, 0, sizeof(data));
 130         data.ioc_dev = cur_device;
 131         data.ioc_type = LUSTRE_CFG_TYPE;
 132         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 133                                         lcfg->lcfg_buflens);
 134         data.ioc_pbuf1 = (void *)lcfg;
 135         memset(buf, 0, sizeof(rawbuf));
 136         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
 137         if (rc) {
 138                 fprintf(stderr, "error: %s: invalid ioctl\n",
 139                         jt_cmdname(func));
 140                 return rc;
 141         }
 142
 143         rc =  l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
 144
 145         return rc;
 146 }
 147
 148 static int do_device(char *func, char *devname);
 149
 150 static int get_mgs_device()
 151 {
 152         char mgs[] = "$MGS";
 153         static int mgs_device = -1;
 154
 155         if (mgs_device == -1) {
 156                 int rc;
 157                 do_disconnect(NULL, 1);
 158                 rc = do_device("mgsioc", mgs);
 159                 if (rc) {
 160                         fprintf(stderr,
 161                                 "This command must be run on the MGS.\n");
 162                         errno = ENODEV;
 163                         return -1;
 164                 }
 165                 mgs_device = cur_device;
 166         }
 167         return mgs_device;
 168 }
 169
 170 /* Returns -1 on error with errno set */
 171 int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
 172 {
 173         struct obd_ioctl_data data;
 174         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 175         int rc;
 176
 177         memset(&data, 0, sizeof(data));
 178         rc = data.ioc_dev = get_mgs_device();
 179         if (rc < 0)
 180                 goto out;
 181         data.ioc_type = LUSTRE_CFG_TYPE;
 182         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 183                                         lcfg->lcfg_buflens);
 184         data.ioc_pbuf1 = (void *)lcfg;
 185         memset(buf, 0, sizeof(rawbuf));
 186         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
 187         if (rc) {
 188                 fprintf(stderr, "error: %s: invalid ioctl\n",
 189                         jt_cmdname(func));
 190                 return rc;
 191         }
 192
 193         rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
 194 out:
 195         if (rc) {
 196                 if (errno == ENOSYS)
 197                         fprintf(stderr, "Make sure cfg_device is set first.\n");
 198         }
 199         return rc;
 200 }
 201
 202 char *obdo_print(struct obdo *obd)
 203 {
 204         char buf[1024];
 205
 206         snprintf(buf, sizeof(buf), "id: %#jx\ngrp: %#jx\natime: %ju\n"
 207                  "mtime: %ju\nctime: %ju\nsize: %ju\nblocks: %ju"
 208                  "\nblksize: %u\nmode: %o\nuid: %d\ngid: %d\nflags: %x\n"
 209                  "misc: %x\nnlink: %d,\nvalid %#jx\n",
 210                  (uintmax_t)ostid_id(&obd->o_oi),
 211                  (uintmax_t)ostid_seq(&obd->o_oi),
 212                  (uintmax_t)obd->o_atime, (uintmax_t)obd->o_mtime,
 213                  (uintmax_t)obd->o_ctime, (uintmax_t)obd->o_size,
 214                  (uintmax_t)obd->o_blocks, obd->o_blksize, obd->o_mode,
 215                  obd->o_uid, obd->o_gid, obd->o_flags, obd->o_misc,
 216                  obd->o_nlink, (uintmax_t)obd->o_valid);
 217         return strdup(buf);
 218 }
 219
 220
 221 #define BAD_VERBOSE (-999999999)
 222
 223 #define N2D_OFF 0x100      /* So we can tell between error codes and devices */
 224
 225 static int do_name2dev(char *func, char *name)
 226 {
 227         struct obd_ioctl_data data;
 228         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 229         int rc;
 230
 231         memset(&data, 0, sizeof(data));
 232         data.ioc_dev = cur_device;
 233         data.ioc_inllen1 = strlen(name) + 1;
 234         data.ioc_inlbuf1 = name;
 235
 236         memset(buf, 0, sizeof(rawbuf));
 237         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
 238         if (rc < 0) {
 239                 fprintf(stderr, "error: %s: invalid ioctl\n",
 240                         jt_cmdname(func));
 241                 return -rc;
 242         }
 243         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NAME2DEV, buf);
 244         if (rc < 0)
 245                 return errno;
 246         rc = llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
 247         if (rc) {
 248                 fprintf(stderr, "error: %s: invalid reply\n",
 249                         jt_cmdname(func));
 250                 return rc;
 251         }
 252
 253         return data.ioc_dev + N2D_OFF;
 254 }
 255
 256 /*
 257  * resolve a device name to a device number.
 258  * supports a number, $name or %uuid.
 259  */
 260 int parse_devname(char *func, char *name)
 261 {
 262         int rc;
 263         int ret = -1;
 264         int try_digit;
 265
 266         if (!name)
 267                 return ret;
 268
 269         try_digit = isdigit(name[0]);
 270
 271         if (name[0] == '$' || name[0] == '%')
 272                 name++;
 273
 274         rc = do_name2dev(func, name);
 275         if (rc >= N2D_OFF)
 276                 return rc - N2D_OFF;
 277
 278         if (try_digit)
 279                 ret = strtoul(name, NULL, 0);
 280         else
 281                 fprintf(stderr, "No device found for name %s: %s\n",
 282                                 name, strerror(rc));
 283         return ret;
 284 }
 285
 286 char *jt_cmdname(char *func)
 287 {
 288         static char buf[512];
 289
 290         if (thread) {
 291                 sprintf(buf, "%s-%d", func, thread);
 292                 return buf;
 293         }
 294
 295         return func;
 296 }
 297
 298 #define difftime(a, b)                                  \
 299         ((a)->tv_sec - (b)->tv_sec +                    \
 300          ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
 301
 302 static int be_verbose(int verbose, struct timeval *next_time,
 303                       __u64 num, __u64 *next_num, int num_total)
 304 {
 305         struct timeval now;
 306
 307         if (!verbose)
 308                 return 0;
 309
 310         if (next_time != NULL)
 311                 gettimeofday(&now, NULL);
 312
 313         /* A positive verbosity means to print every X iterations */
 314         if (verbose > 0 && (num >= *next_num || num >= num_total)) {
 315                 *next_num += verbose;
 316                 if (next_time) {
 317                         next_time->tv_sec = now.tv_sec - verbose;
 318                         next_time->tv_usec = now.tv_usec;
 319                 }
 320                 return 1;
 321         }
 322
 323         /* A negative verbosity means to print at most each X seconds */
 324         if (verbose < 0 && next_time != NULL &&
 325             difftime(&now, next_time) >= 0.0){
 326                 next_time->tv_sec = now.tv_sec - verbose;
 327                 next_time->tv_usec = now.tv_usec;
 328                 *next_num = num;
 329                 return 1;
 330         }
 331
 332         return 0;
 333 }
 334
 335 static int get_verbose(char *func, const char *arg)
 336 {
 337         int verbose;
 338         char *end;
 339
 340         if (!arg || arg[0] == 'v')
 341                 verbose = 1;
 342         else if (arg[0] == 's' || arg[0] == 'q')
 343                 verbose = 0;
 344         else {
 345                 verbose = (int)strtoul(arg, &end, 0);
 346                 if (*end) {
 347                         fprintf(stderr, "error: %s: bad verbose option '%s'\n",
 348                                 jt_cmdname(func), arg);
 349                         return BAD_VERBOSE;
 350                 }
 351         }
 352
 353         if (verbose < 0)
 354                 printf("Print status every %d seconds\n", -verbose);
 355         else if (verbose == 1)
 356                 printf("Print status every operation\n");
 357         else if (verbose > 1)
 358                 printf("Print status every %d operations\n", verbose);
 359
 360         return verbose;
 361 }
 362
 363 int do_disconnect(char *func, int verbose)
 364 {
 365         lcfg_set_devname(NULL);
 366         cur_device = -1;
 367         return 0;
 368 }
 369
 370 #ifdef MAX_THREADS
 371 static int shmem_setup(void)
 372 {
 373         pthread_mutexattr_t mattr;
 374         pthread_condattr_t  cattr;
 375         int                 rc;
 376         int                 shmid;
 377
 378         /* Create new segment */
 379         shmid = shmget(IPC_PRIVATE, sizeof(*shared_data), 0600);
 380         if (shmid == -1) {
 381                 fprintf(stderr, "Can't create shared data: %s\n",
 382                         strerror(errno));
 383                 return errno;
 384         }
 385
 386         /* Attatch to new segment */
 387         shared_data = (struct shared_data *)shmat(shmid, NULL, 0);
 388
 389         if (shared_data == (struct shared_data *)(-1)) {
 390                 fprintf(stderr, "Can't attach shared data: %s\n",
 391                         strerror(errno));
 392                 shared_data = NULL;
 393                 return errno;
 394         }
 395
 396         /* Mark segment as destroyed, so it will disappear when we exit.
 397          * Forks will inherit attached segments, so we should be OK.
 398          */
 399         if (shmctl(shmid, IPC_RMID, NULL) == -1) {
 400                 fprintf(stderr, "Can't destroy shared data: %s\n",
 401                         strerror(errno));
 402                 return errno;
 403         }
 404
 405         pthread_mutexattr_init(&mattr);
 406         pthread_condattr_init(&cattr);
 407
 408         rc = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
 409         if (rc != 0) {
 410                 fprintf(stderr, "Can't set shared mutex attr\n");
 411                 goto out;
 412         }
 413
 414         rc = pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED);
 415         if (rc != 0) {
 416                 fprintf(stderr, "Can't set shared cond attr\n");
 417                 goto out;
 418         }
 419
 420         pthread_mutex_init(&shared_data->mutex, &mattr);
 421         pthread_cond_init(&shared_data->cond, &cattr);
 422 out:
 423         pthread_mutexattr_destroy(&mattr);
 424         pthread_condattr_destroy(&cattr);
 425
 426         return rc;
 427 }
 428
 429 static inline void shmem_lock(void)
 430 {
 431         pthread_mutex_lock(&shared_data->mutex);
 432 }
 433
 434 static inline void shmem_unlock(void)
 435 {
 436         pthread_mutex_unlock(&shared_data->mutex);
 437 }
 438
 439 static inline void shmem_wait(void)
 440 {
 441         pthread_cond_wait(&shared_data->cond, &shared_data->mutex);
 442 }
 443
 444 static inline void shmem_wakeup_all(void)
 445 {
 446         pthread_cond_broadcast(&shared_data->cond);
 447 }
 448
 449 static inline void shmem_reset(int total_threads)
 450 {
 451         if (shared_data == NULL)
 452                 return;
 453
 454         memset(&shared_data->body, 0, sizeof(shared_data->body));
 455         memset(counter_snapshot, 0, sizeof(counter_snapshot));
 456         prev_valid = 0;
 457         shared_data->stopping = 0;
 458         shared_data->body.start_barrier = total_threads;
 459         shared_data->body.stop_barrier = total_threads;
 460 }
 461
 462 static inline void shmem_bump(__u32 counter)
 463 {
 464         static bool running_not_bumped = true;
 465
 466         if (shared_data == NULL || thread <= 0 || thread > MAX_THREADS)
 467                 return;
 468
 469         shmem_lock();
 470         shared_data->body.counters[thread - 1] += counter;
 471         if (running_not_bumped) {
 472                 shared_data->body.thr_running++;
 473                 running_not_bumped = false;
 474         }
 475         shmem_unlock();
 476 }
 477
 478 static void shmem_total(int total_threads)
 479 {
 480         __u64 total = 0;
 481         double secs;
 482         int i;
 483
 484         if (shared_data == NULL || total_threads > MAX_THREADS)
 485                 return;
 486
 487         shmem_lock();
 488         for (i = 0; i < total_threads; i++)
 489                 total += shared_data->body.counters[i];
 490
 491         secs = difftime(&shared_data->body.end_time,
 492                         &shared_data->body.start_time);
 493         shmem_unlock();
 494
 495         printf("Total: total %ju threads %d sec %f %f/second\n",
 496                (uintmax_t)total, total_threads, secs, total / secs);
 497
 498         return;
 499 }
 500
 501 static void shmem_snap(int total_threads, int live_threads)
 502 {
 503         struct timeval this_time;
 504         int non_zero = 0;
 505         __u64 total = 0;
 506         double secs;
 507         int running;
 508         int i;
 509
 510         if (shared_data == NULL || total_threads > MAX_THREADS)
 511                 return;
 512
 513         shmem_lock();
 514         memcpy(counter_snapshot[0], shared_data->body.counters,
 515                total_threads * sizeof(counter_snapshot[0][0]));
 516         running = shared_data->body.thr_running;
 517         shmem_unlock();
 518
 519         gettimeofday(&this_time, NULL);
 520
 521         for (i = 0; i < total_threads; i++) {
 522                 long long this_count =
 523                         counter_snapshot[0][i] - counter_snapshot[1][i];
 524
 525                 if (this_count != 0) {
 526                         non_zero++;
 527                         total += this_count;
 528                 }
 529         }
 530
 531         secs = difftime(&this_time, &prev_time);
 532         if (prev_valid && secs > 1.0)    /* someone screwed with the time? */
 533                 printf("%d/%d Total: %f/second\n", non_zero, total_threads,
 534                        total / secs);
 535
 536         memcpy(counter_snapshot[1], counter_snapshot[0],
 537                total_threads * sizeof(counter_snapshot[0][0]));
 538         prev_time = this_time;
 539         if (!prev_valid &&
 540             running == total_threads)
 541                 prev_valid = 1;
 542 }
 543
 544 static void shmem_stop(void)
 545 {
 546         if (shared_data == NULL)
 547                 return;
 548
 549         shared_data->stopping = 1;
 550 }
 551
 552 static void shmem_cleanup(void)
 553 {
 554         if (shared_data == NULL)
 555                 return;
 556
 557         shmem_stop();
 558
 559         pthread_mutex_destroy(&shared_data->mutex);
 560         pthread_cond_destroy(&shared_data->cond);
 561 }
 562
 563 static int shmem_running(void)
 564 {
 565         return (shared_data == NULL || !shared_data->stopping);
 566 }
 567
 568 static void shmem_end_time_locked(void)
 569 {
 570         shared_data->body.stop_barrier--;
 571         if (shared_data->body.stop_barrier == 0)
 572                 gettimeofday(&shared_data->body.end_time, NULL);
 573 }
 574
 575 static void shmem_start_time_locked(void)
 576 {
 577         shared_data->body.start_barrier--;
 578         if (shared_data->body.start_barrier == 0) {
 579                 shmem_wakeup_all();
 580                 gettimeofday(&shared_data->body.start_time, NULL);
 581         } else {
 582                 shmem_wait();
 583         }
 584 }
 585
 586 #else
 587 static int shmem_setup(void)
 588 {
 589         return 0;
 590 }
 591
 592 static inline void shmem_reset(int total_threads)
 593 {
 594 }
 595
 596 static inline void shmem_bump(__u32 counters)
 597 {
 598 }
 599
 600 static void shmem_lock()
 601 {
 602 }
 603
 604 static void shmem_unlock()
 605 {
 606 }
 607
 608 static void shmem_cleanup(void)
 609 {
 610 }
 611
 612 static int shmem_running(void)
 613 {
 614         return 1;
 615 }
 616 #endif
 617
 618 extern command_t cmdlist[];
 619
 620 static int do_device(char *func, char *devname)
 621 {
 622         int dev;
 623
 624         dev = parse_devname(func, devname);
 625         if (dev < 0)
 626                 return -1;
 627
 628         lcfg_set_devname(devname);
 629         cur_device = dev;
 630         return 0;
 631 }
 632
 633 int jt_obd_get_device()
 634 {
 635         return cur_device;
 636 }
 637
 638 int jt_obd_device(int argc, char **argv)
 639 {
 640         int rc;
 641
 642         if (argc > 2)
 643                 return CMD_HELP;
 644
 645         if (argc == 1) {
 646                 printf("current device is %d - %s\n",
 647                        cur_device, lcfg_get_devname() ? : "not set");
 648                 return 0;
 649         }
 650         rc = do_device("device", argv[1]);
 651         return rc;
 652 }
 653
 654 int jt_opt_device(int argc, char **argv)
 655 {
 656         int ret;
 657         int rc;
 658
 659         if (argc < 3)
 660                 return CMD_HELP;
 661
 662         rc = do_device("device", argv[1]);
 663
 664         if (!rc)
 665                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 666
 667         ret = do_disconnect(argv[0], 0);
 668         if (!rc)
 669                 rc = ret;
 670
 671         return rc;
 672 }
 673
 674 #ifdef MAX_THREADS
 675 static void parent_sighandler (int sig)
 676 {
 677         return;
 678 }
 679
 680 int jt_opt_threads(int argc, char **argv)
 681 {
 682         static char      cmdstr[128];
 683         sigset_t         saveset;
 684         sigset_t         sigset;
 685         struct sigaction sigact;
 686         struct sigaction saveact1;
 687         struct sigaction saveact2;
 688         unsigned long    threads;
 689         __u64            next_thread;
 690         int verbose;
 691         int rc = 0;
 692         int report_count = -1;
 693         char *end;
 694         int i;
 695
 696         if (argc < 5)
 697                 return CMD_HELP;
 698
 699         threads = strtoul(argv[1], &end, 0);
 700
 701         if (*end == '.')
 702                 report_count = strtoul(end + 1, &end, 0);
 703
 704         if (*end || threads > MAX_THREADS) {
 705                 fprintf(stderr, "error: %s: invalid thread count '%s'\n",
 706                         jt_cmdname(argv[0]), argv[1]);
 707                 return CMD_HELP;
 708         }
 709
 710         verbose = get_verbose(argv[0], argv[2]);
 711         if (verbose == BAD_VERBOSE)
 712                 return CMD_HELP;
 713
 714         if (verbose != 0) {
 715                 snprintf(cmdstr, sizeof(cmdstr), "%s", argv[4]);
 716                 for (i = 5; i < argc; i++)
 717                         snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
 718                                  " %s", argv[i]);
 719
 720                 printf("%s: starting %ld threads on device %s running %s\n",
 721                        argv[0], threads, argv[3], cmdstr);
 722         }
 723
 724         shmem_reset(threads);
 725
 726         sigemptyset(&sigset);
 727         sigaddset(&sigset, SIGALRM);
 728         sigaddset(&sigset, SIGCHLD);
 729         sigprocmask(SIG_BLOCK, &sigset, &saveset);
 730
 731         nthreads = threads;
 732
 733         for (i = 1, next_thread = verbose; i <= threads; i++) {
 734                 rc = fork();
 735                 if (rc < 0) {
 736                         fprintf(stderr, "error: %s: #%d - %s\n", argv[0], i,
 737                                 strerror(rc = errno));
 738                         break;
 739                 } else if (rc == 0) {
 740                         sigprocmask(SIG_SETMASK, &saveset, NULL);
 741
 742                         thread = i;
 743                         argv[2] = "--device";
 744                         exit(jt_opt_device(argc - 2, argv + 2));
 745                 } else if (be_verbose(verbose, NULL, i, &next_thread, threads))
 746                         printf("%s: thread #%d (PID %d) started\n",
 747                                argv[0], i, rc);
 748                 rc = 0;
 749         }
 750
 751         if (!thread) {          /* parent process */
 752                 int live_threads = threads;
 753
 754                 sigemptyset(&sigset);
 755                 sigemptyset(&sigact.sa_mask);
 756                 sigact.sa_handler = parent_sighandler;
 757                 sigact.sa_flags = 0;
 758
 759                 sigaction(SIGALRM, &sigact, &saveact1);
 760                 sigaction(SIGCHLD, &sigact, &saveact2);
 761
 762                 while (live_threads > 0) {
 763                         int status;
 764                         pid_t ret;
 765
 766                         if (verbose < 0)        /* periodic stats */
 767                                 alarm(-verbose);
 768
 769                         sigsuspend(&sigset);
 770                         alarm(0);
 771
 772                         while (live_threads > 0) {
 773                                 ret = waitpid(0, &status, WNOHANG);
 774                                 if (ret == 0)
 775                                         break;
 776
 777                                 if (ret < 0) {
 778                                         fprintf(stderr, "error: %s: wait - %s\n",
 779                                                 argv[0], strerror(errno));
 780                                         if (!rc)
 781                                                 rc = errno;
 782                                         continue;
 783                                 } else {
 784                                         /*
 785                                          * This is a hack.  We _should_ be able
 786                                          * to use WIFEXITED(status) to see if
 787                                          * there was an error, but it appears
 788                                          * to be broken and it always returns 1
 789                                          * (OK).  See wait(2).
 790                                          */
 791                                         int err = WEXITSTATUS(status);
 792                                         if (err || WIFSIGNALED(status))
 793                                                 fprintf(stderr,
 794                                                         "%s: PID %d had rc=%d\n",
 795                                                         argv[0], ret, err);
 796                                         if (!rc)
 797                                                 rc = err;
 798
 799                                         live_threads--;
 800                                 }
 801                         }
 802
 803                         /* Show stats while all threads running */
 804                         if (verbose < 0) {
 805                                 shmem_snap(threads, live_threads);
 806                                 if (report_count > 0 && --report_count == 0)
 807                                         shmem_stop();
 808                         }
 809                 }
 810                 sigaction(SIGCHLD, &saveact2, NULL);
 811                 sigaction(SIGALRM, &saveact1, NULL);
 812         }
 813
 814         shmem_total(threads);
 815         sigprocmask(SIG_SETMASK, &saveset, NULL);
 816
 817         return rc;
 818 }
 819 #else
 820 int jt_opt_threads(int argc, char **argv)
 821 {
 822         fprintf(stderr, "%s not-supported in a single-threaded runtime\n",
 823                 jt_cmdname(argv[0]));
 824         return CMD_HELP;
 825 }
 826 #endif
 827
 828 int jt_opt_net(int argc, char **argv)
 829 {
 830         char *arg2[3];
 831         int rc;
 832
 833         if (argc < 3)
 834                 return CMD_HELP;
 835
 836         arg2[0] = argv[0];
 837         arg2[1] = argv[1];
 838         arg2[2] = NULL;
 839         rc = jt_ptl_network (2, arg2);
 840
 841         if (!rc)
 842                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 843
 844         return rc;
 845 }
 846
 847 int jt_obd_no_transno(int argc, char **argv)
 848 {
 849         struct obd_ioctl_data data;
 850         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 851         int rc;
 852
 853         memset(&data, 0, sizeof(data));
 854         data.ioc_dev = cur_device;
 855
 856         if (argc != 1)
 857                 return CMD_HELP;
 858
 859         memset(buf, 0, sizeof(rawbuf));
 860         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
 861         if (rc) {
 862                 fprintf(stderr, "error: %s: invalid ioctl\n",
 863                         jt_cmdname(argv[0]));
 864                 return rc;
 865         }
 866         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
 867         if (rc < 0)
 868                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 869                         strerror(rc = errno));
 870
 871         return rc;
 872 }
 873
 874 int jt_obd_set_readonly(int argc, char **argv)
 875 {
 876         struct obd_ioctl_data data;
 877         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 878         int rc;
 879
 880         memset(&data, 0, sizeof(data));
 881         data.ioc_dev = cur_device;
 882
 883         if (argc != 1)
 884                 return CMD_HELP;
 885
 886         memset(buf, 0, sizeof(rawbuf));
 887         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
 888         if (rc) {
 889                 fprintf(stderr, "error: %s: invalid ioctl\n",
 890                         jt_cmdname(argv[0]));
 891                 return rc;
 892         }
 893         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
 894         if (rc < 0)
 895                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 896                         strerror(rc = errno));
 897
 898         return rc;
 899 }
 900
 901 int jt_obd_abort_recovery(int argc, char **argv)
 902 {
 903         struct obd_ioctl_data data;
 904         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 905         int rc;
 906
 907         memset(&data, 0, sizeof(data));
 908         data.ioc_dev = cur_device;
 909
 910         if (argc != 1)
 911                 return CMD_HELP;
 912
 913         memset(buf, 0, sizeof(rawbuf));
 914         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
 915         if (rc) {
 916                 fprintf(stderr, "error: %s: invalid ioctl\n",
 917                         jt_cmdname(argv[0]));
 918                 return rc;
 919         }
 920         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
 921         if (rc < 0)
 922                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 923                         strerror(rc = errno));
 924
 925         return rc;
 926 }
 927
 928 int jt_get_version(int argc, char **argv)
 929 {
 930         char version[128];
 931         int rc;
 932
 933         if (argc != 1)
 934                 return CMD_HELP;
 935
 936         rc = llapi_get_version_string(version, sizeof(version));
 937         if (rc)
 938                 printf("Lustre version: %s\n", LUSTRE_VERSION_STRING);
 939         else
 940                 printf("Lustre version: %s\n", version);
 941
 942         return 0;
 943 }
 944
 945 static void print_obd_line(char *s)
 946 {
 947         const char *param = "osc/%s/ost_conn_uuid";
 948         char buf[MAX_STRING_SIZE];
 949         char obd_name[MAX_OBD_NAME];
 950         FILE *fp = NULL;
 951         glob_t path;
 952         char *ptr;
 953 retry:
 954         /* obd device type is the first 3 characters of param name */
 955         snprintf(buf, sizeof(buf), " %%*d %%*s %.3s %%%zus %%*s %%*d ",
 956                  param, sizeof(obd_name) - 1);
 957         if (sscanf(s, buf, obd_name) == 0)
 958                 goto try_mdc;
 959         if (cfs_get_param_paths(&path, param, obd_name) != 0)
 960                 goto try_mdc;
 961         fp = fopen(path.gl_pathv[0], "r");
 962         if (fp == NULL) {
 963                 /* need to free path data before retry */
 964                 cfs_free_param_data(&path);
 965 try_mdc:
 966                 if (param[0] == 'o') { /* failed with osc, try mdc */
 967                         param = "mdc/%s/mds_conn_uuid";
 968                         goto retry;
 969                 }
 970                 buf[0] = '\0';
 971                 goto fail_print;
 972         }
 973
 974         /* should not ignore fgets(3)'s return value */
 975         if (!fgets(buf, sizeof(buf), fp)) {
 976                 fprintf(stderr, "reading from %s: %s", buf, strerror(errno));
 977                 goto fail_close;
 978         }
 979
 980 fail_close:
 981         fclose(fp);
 982         cfs_free_param_data(&path);
 983
 984         /* trim trailing newlines */
 985         ptr = strrchr(buf, '\n');
 986         if (ptr)
 987                 *ptr = '\0';
 988 fail_print:
 989         ptr = strrchr(s, '\n');
 990         if (ptr)
 991                 *ptr = '\0';
 992         printf("%s%s%s\n", s, buf[0] ? " " : "", buf);
 993 }
 994
 995 /* get device list by ioctl */
 996 int jt_obd_list_ioctl(int argc, char **argv)
 997 {
 998         int rc, index;
 999         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1000         struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
1001
1002         if (argc > 2)
1003                 return CMD_HELP;
1004         /* Just ignore a -t option.  Only supported with /proc. */
1005         else if (argc == 2 && strcmp(argv[1], "-t") != 0)
1006                 return CMD_HELP;
1007
1008         for (index = 0;; index++) {
1009                 memset(buf, 0, sizeof(rawbuf));
1010                 data->ioc_version = OBD_IOCTL_VERSION;
1011                 data->ioc_inllen1 =
1012                         sizeof(rawbuf) - __ALIGN_KERNEL(sizeof(*data), 8);
1013                 data->ioc_inlbuf1 = buf + __ALIGN_KERNEL(sizeof(*data), 8);
1014                 data->ioc_len = obd_ioctl_packlen(data);
1015                 data->ioc_count = index;
1016
1017                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETDEVICE, buf);
1018                 if (rc != 0)
1019                         break;
1020                 printf("%s\n", (char *)data->ioc_bulk);
1021         }
1022         if (rc != 0) {
1023                 if (errno == ENOENT)
1024                         /* no device or the last device */
1025                         rc = 0;
1026                 else
1027                         fprintf(stderr, "Error getting device list: %s: "
1028                                 "check dmesg.\n", strerror(errno));
1029         }
1030         return rc;
1031 }
1032
1033 int jt_obd_list(int argc, char **argv)
1034 {
1035         char buf[MAX_STRING_SIZE];
1036         int print_obd = 0;
1037         glob_t path;
1038         FILE *fp;
1039
1040         if (argc > 2)
1041                 return CMD_HELP;
1042         else if (argc == 2) {
1043                 if (strcmp(argv[1], "-t") == 0)
1044                         print_obd = 1;
1045                 else
1046                         return CMD_HELP;
1047         }
1048
1049         if (cfs_get_param_paths(&path, "devices") != 0)
1050                 return -errno;
1051
1052         fp = fopen(path.gl_pathv[0], "r");
1053         if (fp == NULL) {
1054                 fprintf(stderr, "error: %s: %s opening %s\n",
1055                         jt_cmdname(argv[0]), strerror(errno), path.gl_pathv[0]);
1056                 cfs_free_param_data(&path);
1057                 return jt_obd_list_ioctl(argc, argv);
1058         }
1059
1060         while (fgets(buf, sizeof(buf), fp) != NULL)
1061                 if (print_obd)
1062                         print_obd_line(buf);
1063                 else
1064                         printf("%s", buf);
1065
1066         cfs_free_param_data(&path);
1067         fclose(fp);
1068         return 0;
1069 }
1070
1071 struct jt_fid_space {
1072         __u64   jt_seq;
1073         __u64   jt_id;
1074         int     jt_width;
1075 };
1076
1077 int jt_obd_alloc_fids(struct jt_fid_space *space, struct lu_fid *fid,
1078                       __u64 *count)
1079 {
1080         int rc;
1081
1082         if (space->jt_seq == 0 || space->jt_id == space->jt_width) {
1083                 struct obd_ioctl_data  data;
1084                 char rawbuf[MAX_IOC_BUFLEN];
1085                 char *buf = rawbuf;
1086                 __u64 seqnr;
1087                 int max_count;
1088
1089                 memset(&data, 0, sizeof(data));
1090                 data.ioc_dev = cur_device;
1091
1092                 data.ioc_pbuf1 = (char *)&seqnr;
1093                 data.ioc_plen1 = sizeof(seqnr);
1094
1095                 data.ioc_pbuf2 = (char *)&max_count;
1096                 data.ioc_plen2 = sizeof(max_count);
1097
1098                 memset(buf, 0, sizeof(rawbuf));
1099                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1100                 if (rc) {
1101                         fprintf(stderr, "error: invalid ioctl rc = %d\n", rc);
1102                         return rc;
1103                 }
1104
1105                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_ALLOC_SEQ, buf);
1106                 if (rc) {
1107                         fprintf(stderr, "ioctl error: rc = %d\n", rc);
1108                         return rc;
1109                 }
1110
1111                 space->jt_seq = *(__u64 *)data.ioc_pbuf1;
1112                 space->jt_width = *(int *)data.ioc_pbuf2;
1113                 space->jt_id = 1;
1114         }
1115         fid->f_seq = space->jt_seq;
1116         fid->f_oid = space->jt_id;
1117         fid->f_ver = 0;
1118
1119         space->jt_id = space->jt_id + *count;
1120         if (space->jt_id > space->jt_width)
1121                 space->jt_id = space->jt_width;
1122
1123         *count = space->jt_id - fid->f_oid;
1124         return 0;
1125 }
1126
1127 #define MD_STEP_COUNT 1000
1128 int jt_obd_md_common(int argc, char **argv, int cmd)
1129 {
1130         struct obd_ioctl_data  data;
1131         struct timeval         start;
1132         struct timeval         end_time;
1133         char                   rawbuf[MAX_IOC_BUFLEN];
1134         char                  *buf = rawbuf;
1135         int                    mode = 0000644;
1136         int                    create_mode;
1137         int                    rc = 0;
1138         char                  *parent_basedir = NULL;
1139         char                   dirname[4096];
1140         int                    parent_base_id = 0;
1141         int                    parent_count = 1;
1142         __u64                  child_base_id = -1;
1143         int                    stripe_count = 0;
1144         int                    stripe_index = -1;
1145         int                    count = 0;
1146         char                  *end;
1147         __u64                  seconds = 0;
1148         double                 diff;
1149         int                    c;
1150         __u64                  total_count = 0;
1151         char                  *name = NULL;
1152         struct jt_fid_space    fid_space = {0};
1153         int                    version = 0;
1154         struct option long_opts[] = {
1155         { .val = 'b',   .name = "child_base_id",
1156                                                 .has_arg = required_argument },
1157         { .val = 'c',   .name = "stripe_count",
1158                                                 .has_arg = required_argument },
1159         { .val = 'd',   .name = "parent_basedir",
1160                                                 .has_arg = required_argument },
1161         { .val = 'D',   .name = "parent_dircount",
1162                                                 .has_arg = required_argument },
1163         { .val = 'i',   .name = "stripe_index", .has_arg = required_argument },
1164         { .val = 'm',   .name = "mode",         .has_arg = required_argument },
1165         { .val = 'n',   .name = "count",        .has_arg = required_argument },
1166         { .val = 't',   .name = "time",         .has_arg = required_argument },
1167         { .val = 'v',   .name = "version",      .has_arg = no_argument },
1168         { .name = NULL } };
1169
1170         while ((c = getopt_long(argc, argv, "b:c:d:D:m:n:t:v",
1171                                 long_opts, NULL)) >= 0) {
1172                 switch (c) {
1173                 case 'b':
1174                         child_base_id = strtoull(optarg, &end, 0);
1175                         if (*end) {
1176                                 fprintf(stderr, "error: %s: bad child_base_id"
1177                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1178                                 return CMD_HELP;
1179                         }
1180                         break;
1181                 case 'c':
1182                         stripe_count = strtoul(optarg, &end, 0);
1183                         if (*end) {
1184                                 fprintf(stderr, "error: %s: bad stripe count"
1185                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1186                                 return CMD_HELP;
1187                         }
1188                         break;
1189                 case 'd':
1190                         parent_basedir = optarg;
1191                         break;
1192                 case 'D':
1193                         parent_count = strtoul(optarg, &end, 0);
1194                         if (*end) {
1195                                 fprintf(stderr, "error: %s: bad parent count"
1196                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1197                                 return CMD_HELP;
1198                         }
1199                         break;
1200                 case 'i':
1201                         stripe_index = strtoul(optarg, &end, 0);
1202                         if (*end) {
1203                                 fprintf(stderr, "error: %s: bad stripe index"
1204                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1205                                 return CMD_HELP;
1206                         }
1207                         break;
1208                 case 'm':
1209                         mode = strtoul(optarg, &end, 0);
1210                         if (*end) {
1211                                 fprintf(stderr, "error: %s: bad mode '%s'\n",
1212                                         jt_cmdname(argv[0]), optarg);
1213                                 return CMD_HELP;
1214                         }
1215                         break;
1216                 case 'n':
1217                         total_count = strtoul(optarg, &end, 0);
1218                         if (*end || total_count == 0) {
1219                                 fprintf(stderr, "%s: bad child count '%s'\n",
1220                                         jt_cmdname(argv[0]), optarg);
1221                                 return CMD_HELP;
1222                         }
1223                         break;
1224                 case 't':
1225                         seconds = strtoull(optarg, &end, 0);
1226                         if (*end) {
1227                                 fprintf(stderr, "error: %s: seconds '%s'\n",
1228                                         jt_cmdname(argv[0]), optarg);
1229                                 return CMD_HELP;
1230                         }
1231                         break;
1232                 case 'v':
1233                         version = 1;
1234                         break;
1235                 default:
1236                         fprintf(stderr, "error: %s: option '%s' "
1237                                 "unrecognized\n", argv[0], argv[optind - 1]);
1238                         return CMD_HELP;
1239                 }
1240         }
1241
1242         memset(&data, 0, sizeof(data));
1243         data.ioc_dev = cur_device;
1244         if (child_base_id == -1) {
1245                 if (optind >= argc)
1246                         return CMD_HELP;
1247                 name = argv[optind];
1248                 total_count = 1;
1249         } else {
1250                 if (optind < argc) {
1251                         fprintf(stderr, "child_base_id and name can not"
1252                                         " specified at the same time\n");
1253                         return CMD_HELP;
1254                 }
1255         }
1256
1257         if (stripe_count == 0 && stripe_index != -1) {
1258                 fprintf(stderr, "If stripe_count is 0, stripe_index can not"
1259                                 "be specified\n");
1260                 return CMD_HELP;
1261         }
1262
1263         if (total_count == 0 && seconds == 0) {
1264                 fprintf(stderr, "count or seconds needs to be indicated\n");
1265                 return CMD_HELP;
1266         }
1267
1268         if (parent_count <= 0) {
1269                 fprintf(stderr, "parent count must < 0\n");
1270                 return CMD_HELP;
1271         }
1272
1273 #ifdef MAX_THREADS
1274         if (thread) {
1275                 shmem_lock();
1276                 /* threads interleave */
1277                 if (parent_base_id != -1)
1278                         parent_base_id += (thread - 1) % parent_count;
1279
1280                 if (child_base_id != -1)
1281                         child_base_id +=  (thread - 1) * \
1282                                           (MAX_BASE_ID / nthreads);
1283
1284                 shmem_start_time_locked();
1285                 shmem_unlock();
1286         }
1287 #endif
1288         /* If parent directory is not specified, try to get the directory
1289          * from name */
1290         if (parent_basedir == NULL) {
1291                 char *last_lash;
1292                 if (name == NULL) {
1293                         fprintf(stderr, "parent_basedir or name must be"
1294                                         "indicated!\n");
1295                         return CMD_HELP;
1296                 }
1297                 /*Get directory and name from name*/
1298                 last_lash = strrchr(name, '/');
1299                 if (last_lash == NULL || name[0] != '/') {
1300                         fprintf(stderr, "Can not locate %s\n", name);
1301                         return CMD_HELP;
1302                 }
1303
1304                 if (last_lash == name) {
1305                         sprintf(dirname, "%s", "/");
1306                         name++;
1307                 } else {
1308                         int namelen = (unsigned long)last_lash -
1309                                       (unsigned long)name + 1;
1310                         snprintf(dirname, namelen, "%s", name);
1311                         name = last_lash + 1;
1312                 }
1313
1314                 data.ioc_pbuf1 = dirname;
1315                 data.ioc_plen1 = strlen(dirname);
1316
1317                 data.ioc_pbuf2 = name;
1318                 data.ioc_plen2 = strlen(name);
1319         } else {
1320                 if (name != NULL) {
1321                         data.ioc_pbuf2 = name;
1322                         data.ioc_plen2 = strlen(name);
1323                 }
1324                 if (parent_base_id > 0)
1325                         sprintf(dirname, "%s%d", parent_basedir,
1326                                 parent_base_id);
1327                 else
1328                         sprintf(dirname, "%s", parent_basedir);
1329                 data.ioc_pbuf1 = dirname;
1330                 data.ioc_plen1 = strlen(dirname);
1331         }
1332
1333         if (cmd == ECHO_MD_MKDIR || cmd == ECHO_MD_RMDIR)
1334                 create_mode = S_IFDIR;
1335         else
1336                 create_mode = S_IFREG;
1337
1338         data.ioc_obdo1.o_mode = mode | S_IFDIR;
1339         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
1340                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
1341         data.ioc_command = cmd;
1342
1343         gettimeofday(&start, NULL);
1344         while (shmem_running()) {
1345                 struct lu_fid fid = { 0 };
1346
1347                 if (child_base_id != -1)
1348                         data.ioc_obdo2.o_oi.oi.oi_id = child_base_id;
1349                 data.ioc_obdo2.o_mode = mode | create_mode;
1350                 data.ioc_obdo2.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
1351                                          OBD_MD_FLMODE | OBD_MD_FLFLAGS |
1352                                          OBD_MD_FLGROUP;
1353                 data.ioc_obdo2.o_misc = stripe_count;
1354                 data.ioc_obdo2.o_stripe_idx = stripe_index;
1355
1356                 if (total_count > 0) {
1357                         if ((total_count - count) > MD_STEP_COUNT)
1358                                 data.ioc_count = MD_STEP_COUNT;
1359                         else
1360                                 data.ioc_count = total_count - count;
1361                 } else {
1362                         data.ioc_count = MD_STEP_COUNT;
1363                 }
1364
1365                 if (cmd == ECHO_MD_CREATE || cmd == ECHO_MD_MKDIR) {
1366                         /*Allocate fids for the create */
1367                         rc = jt_obd_alloc_fids(&fid_space, &fid,
1368                                                &data.ioc_count);
1369                         if (rc) {
1370                                 fprintf(stderr, "Allocate fids error %d.\n",rc);
1371                                 return rc;
1372                         }
1373                         data.ioc_obdo1.o_oi.oi_fid = fid;
1374                 }
1375
1376                 child_base_id += data.ioc_count;
1377                 count += data.ioc_count;
1378
1379                 memset(buf, 0, sizeof(rawbuf));
1380                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1381                 if (rc) {
1382                         fprintf(stderr, "error: %s: invalid ioctl %d\n",
1383                                 jt_cmdname(argv[0]), rc);
1384                         return rc;
1385                 }
1386
1387                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_MD, buf);
1388                 if (rc) {
1389                         fprintf(stderr, "error: %s: %s\n",
1390                                 jt_cmdname(argv[0]), strerror(rc = errno));
1391                         return rc;
1392                 }
1393                 shmem_bump(data.ioc_count);
1394
1395                 gettimeofday(&end_time, NULL);
1396                 diff = difftime(&end_time, &start);
1397                 if (seconds > 0 && (__u64)diff > seconds)
1398                         break;
1399
1400                 if (count >= total_count && total_count > 0)
1401                         break;
1402         }
1403
1404         if (count > 0 && version) {
1405                 gettimeofday(&end_time, NULL);
1406                 diff = difftime(&end_time, &start);
1407                 printf("%s: %d in %.3fs (%.3f /s): %s",
1408                         jt_cmdname(argv[0]), count, diff,
1409                         (double)count/diff, ctime(&end_time.tv_sec));
1410         }
1411
1412 #ifdef MAX_THREADS
1413         if (thread) {
1414                 shmem_lock();
1415                 shmem_end_time_locked();
1416                 shmem_unlock();
1417         }
1418 #endif
1419         return rc;
1420 }
1421
1422 int jt_obd_test_create(int argc, char **argv)
1423 {
1424         return jt_obd_md_common(argc, argv, ECHO_MD_CREATE);
1425 }
1426
1427 int jt_obd_test_mkdir(int argc, char **argv)
1428 {
1429         return jt_obd_md_common(argc, argv, ECHO_MD_MKDIR);
1430 }
1431
1432 int jt_obd_test_destroy(int argc, char **argv)
1433 {
1434         return jt_obd_md_common(argc, argv, ECHO_MD_DESTROY);
1435 }
1436
1437 int jt_obd_test_rmdir(int argc, char **argv)
1438 {
1439         return jt_obd_md_common(argc, argv, ECHO_MD_RMDIR);
1440 }
1441
1442 int jt_obd_test_lookup(int argc, char **argv)
1443 {
1444         return jt_obd_md_common(argc, argv, ECHO_MD_LOOKUP);
1445 }
1446
1447 int jt_obd_test_setxattr(int argc, char **argv)
1448 {
1449         return jt_obd_md_common(argc, argv, ECHO_MD_SETATTR);
1450 }
1451
1452 int jt_obd_test_md_getattr(int argc, char **argv)
1453 {
1454         return jt_obd_md_common(argc, argv, ECHO_MD_GETATTR);
1455 }
1456
1457 int jt_obd_create(int argc, char **argv)
1458 {
1459         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1460         struct obd_ioctl_data data;
1461         struct timeval next_time;
1462         __u64 count = 1, next_count, base_id = 1;
1463         int verbose = 1, mode = 0100644, rc = 0, i;
1464         char *end;
1465
1466         memset(&data, 0, sizeof(data));
1467         data.ioc_dev = cur_device;
1468         if (argc < 2 || argc > 4)
1469                 return CMD_HELP;
1470
1471         count = strtoull(argv[1], &end, 0);
1472         if (*end) {
1473                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1474                         jt_cmdname(argv[0]), argv[1]);
1475                 return CMD_HELP;
1476         }
1477
1478         if (argc > 2) {
1479                 mode = strtoul(argv[2], &end, 0);
1480                 if (*end) {
1481                         fprintf(stderr, "error: %s: invalid mode '%s'\n",
1482                                 jt_cmdname(argv[0]), argv[2]);
1483                         return CMD_HELP;
1484                 }
1485                 if (!(mode & S_IFMT))
1486                         mode |= S_IFREG;
1487         }
1488
1489         if (argc > 3) {
1490                 verbose = get_verbose(argv[0], argv[3]);
1491                 if (verbose == BAD_VERBOSE)
1492                         return CMD_HELP;
1493         }
1494
1495         printf("%s: %jd objects\n", jt_cmdname(argv[0]), (uintmax_t)count);
1496         gettimeofday(&next_time, NULL);
1497         next_time.tv_sec -= verbose;
1498
1499         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1500         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1501                 /*
1502                  * base_id is 1 so we don't need to worry about it being
1503                  * greater than OBIF_MAX_OID
1504                  */
1505                 data.ioc_obdo1.o_oi.oi_fid.f_oid = base_id;
1506                 data.ioc_obdo1.o_mode = mode;
1507                 data.ioc_obdo1.o_uid = 0;
1508                 data.ioc_obdo1.o_gid = 0;
1509                 data.ioc_obdo1.o_projid = 0;
1510                 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
1511                                          OBD_MD_FLID | OBD_MD_FLUID |
1512                                          OBD_MD_FLGID | OBD_MD_FLGROUP |
1513                                          OBD_MD_FLPROJID;
1514
1515                 memset(buf, 0, sizeof(rawbuf));
1516                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1517                 if (rc) {
1518                         fprintf(stderr, "error: %s: invalid ioctl\n",
1519                                 jt_cmdname(argv[0]));
1520                         return rc;
1521                 }
1522                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
1523                 llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
1524                 shmem_bump(1);
1525                 if (rc < 0) {
1526                         fprintf(stderr, "error: %s: #%d - %s\n",
1527                                 jt_cmdname(argv[0]), i, strerror(rc = errno));
1528                         break;
1529                 }
1530                 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
1531                         fprintf(stderr, "error: %s: oid not valid #%d:%#jx\n",
1532                                 jt_cmdname(argv[0]), i,
1533                                 (uintmax_t)data.ioc_obdo1.o_valid);
1534                         rc = EINVAL;
1535                         break;
1536                 }
1537
1538                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1539                         printf("%s: #%d is object id %#jx\n",
1540                                jt_cmdname(argv[0]), i,
1541                                (uintmax_t) ostid_id(&data.ioc_obdo1.o_oi));
1542         }
1543         return rc;
1544 }
1545
1546 int jt_obd_setattr(int argc, char **argv)
1547 {
1548         struct obd_ioctl_data data;
1549         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1550         __u64 objid;
1551         char *end;
1552         int mode;
1553         int rc;
1554
1555         memset(&data, 0, sizeof(data));
1556         data.ioc_dev = cur_device;
1557         if (argc != 2)
1558                 return CMD_HELP;
1559
1560         objid = strtoull(argv[1], &end, 0);
1561         if (*end) {
1562                 fprintf(stderr, "error: %s: objid '%s' is not a number\n",
1563                         jt_cmdname(argv[0]), argv[1]);
1564                 return CMD_HELP;
1565         }
1566
1567         if (objid >= OBIF_MAX_OID) {
1568                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1569                         jt_cmdname(argv[0]), argv[1]);
1570                 return CMD_HELP;
1571         }
1572
1573         mode = strtoul(argv[2], &end, 0);
1574         if (*end) {
1575                 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1576                         jt_cmdname(argv[0]), argv[2]);
1577                 return CMD_HELP;
1578         }
1579
1580         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1581         data.ioc_obdo1.o_mode = S_IFREG | mode;
1582         data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1583         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1584
1585         memset(buf, 0, sizeof(rawbuf));
1586         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1587         if (rc) {
1588                 fprintf(stderr, "error: %s: invalid ioctl\n",
1589                         jt_cmdname(argv[0]));
1590                 return rc;
1591         }
1592         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
1593         if (rc < 0)
1594                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1595                         strerror(rc = errno));
1596
1597         return rc;
1598 }
1599
1600 int jt_obd_test_setattr(int argc, char **argv)
1601 {
1602         struct obd_ioctl_data data;
1603         struct timeval start, next_time;
1604         __u64 i, count, next_count;
1605         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1606         int verbose = 1;
1607         __u64 objid = 3;
1608         char *end;
1609         int rc = 0;
1610
1611         if (argc < 2 || argc > 4)
1612                 return CMD_HELP;
1613
1614         memset(&data, 0, sizeof(data));
1615         data.ioc_dev = cur_device;
1616         count = strtoull(argv[1], &end, 0);
1617         if (*end) {
1618                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1619                         jt_cmdname(argv[0]), argv[1]);
1620                 return CMD_HELP;
1621         }
1622
1623         if (argc >= 3) {
1624                 verbose = get_verbose(argv[0], argv[2]);
1625                 if (verbose == BAD_VERBOSE)
1626                         return CMD_HELP;
1627         }
1628
1629         if (argc >= 4) {
1630                 if (argv[3][0] == 't') {
1631                         objid = strtoull(argv[3] + 1, &end, 0);
1632                         if (thread)
1633                                 objid += thread - 1;
1634                 } else
1635                         objid = strtoull(argv[3], &end, 0);
1636                 if (*end) {
1637                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1638                                 jt_cmdname(argv[0]), argv[3]);
1639                         return CMD_HELP;
1640                 }
1641         }
1642
1643         gettimeofday(&start, NULL);
1644         next_time.tv_sec = start.tv_sec - verbose;
1645         next_time.tv_usec = start.tv_usec;
1646         if (verbose != 0)
1647                 printf("%s: setting %jd attrs (objid %#jx): %s",
1648                        jt_cmdname(argv[0]), (uintmax_t)count,
1649                        (uintmax_t)objid, ctime(&start.tv_sec));
1650
1651         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1652         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1653                 if (objid >= OBIF_MAX_OID) {
1654                         fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
1655                                 jt_cmdname(argv[0]), (unsigned long long)objid);
1656                         return -E2BIG;
1657                 }
1658
1659                 data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1660                 data.ioc_obdo1.o_mode = S_IFREG;
1661                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1662                 memset(buf, 0, sizeof(rawbuf));
1663                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1664                 if (rc) {
1665                         fprintf(stderr, "error: %s: invalid ioctl\n",
1666                                 jt_cmdname(argv[0]));
1667                         return rc;
1668                 }
1669                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
1670                 shmem_bump(1);
1671                 if (rc < 0) {
1672                         fprintf(stderr, "error: %s: #%jd - %d:%s\n",
1673                                 jt_cmdname(argv[0]), (uintmax_t)i,
1674                                 errno, strerror(rc = errno));
1675                         break;
1676                 } else {
1677                         if (be_verbose
1678                             (verbose, &next_time, i, &next_count, count))
1679                                 printf("%s: set attr #%jd\n",
1680                                        jt_cmdname(argv[0]), (uintmax_t)i);
1681                 }
1682         }
1683
1684         if (!rc) {
1685                 struct timeval end;
1686                 double diff;
1687
1688                 gettimeofday(&end, NULL);
1689
1690                 diff = difftime(&end, &start);
1691
1692                 --i;
1693                 if (verbose != 0)
1694                         printf("%s: %jd attrs in %.3fs (%.3f attr/s): %s",
1695                                jt_cmdname(argv[0]), (uintmax_t)i, diff,
1696                                i / diff, ctime(&end.tv_sec));
1697         }
1698         return rc;
1699 }
1700
1701 int jt_obd_destroy(int argc, char **argv)
1702 {
1703         struct obd_ioctl_data data;
1704         struct timeval next_time;
1705         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1706         __u64 count = 1, next_count;
1707         int verbose = 1;
1708         __u64 id;
1709         char *end;
1710         int rc = 0, i;
1711
1712         memset(&data, 0, sizeof(data));
1713         data.ioc_dev = cur_device;
1714         if (argc < 2 || argc > 4)
1715                 return CMD_HELP;
1716
1717         errno = 0;
1718         id = strtoull(argv[1], &end, 0);
1719         if (*end || id == 0 || errno != 0) {
1720                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1721                         jt_cmdname(argv[0]), argv[1]);
1722                 return CMD_HELP;
1723         }
1724         if (argc > 2) {
1725                 count = strtoull(argv[2], &end, 0);
1726                 if (*end) {
1727                         fprintf(stderr,
1728                                 "error: %s: invalid iteration count '%s'\n",
1729                                 jt_cmdname(argv[0]), argv[2]);
1730                         return CMD_HELP;
1731                 }
1732         }
1733
1734         if (argc > 3) {
1735                 verbose = get_verbose(argv[0], argv[3]);
1736                 if (verbose == BAD_VERBOSE)
1737                         return CMD_HELP;
1738         }
1739
1740         printf("%s: %jd objects\n", jt_cmdname(argv[0]), (uintmax_t)count);
1741         gettimeofday(&next_time, NULL);
1742         next_time.tv_sec -= verbose;
1743
1744         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1745         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++, id++) {
1746                 if (id >= OBIF_MAX_OID) {
1747                         fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
1748                                 jt_cmdname(argv[0]), (unsigned long long)id);
1749                         return -E2BIG;
1750                 }
1751
1752                 data.ioc_obdo1.o_oi.oi_fid.f_oid = id;
1753                 data.ioc_obdo1.o_mode = S_IFREG | 0644;
1754                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
1755
1756                 memset(buf, 0, sizeof(rawbuf));
1757                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1758                 if (rc) {
1759                         fprintf(stderr, "error: %s: invalid ioctl\n",
1760                                 jt_cmdname(argv[0]));
1761                         return rc;
1762                 }
1763                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
1764                 llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
1765                 shmem_bump(1);
1766                 if (rc < 0) {
1767                         fprintf(stderr, "error: %s: objid %#jx: %s\n",
1768                                 jt_cmdname(argv[0]), (uintmax_t)id,
1769                                 strerror(rc = errno));
1770                         break;
1771                 }
1772
1773                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1774                         printf("%s: #%d is object id %#jx\n",
1775                                jt_cmdname(argv[0]), i, (uintmax_t)id);
1776         }
1777
1778         return rc;
1779 }
1780
1781 int jt_obd_getattr(int argc, char **argv)
1782 {
1783         struct obd_ioctl_data data;
1784         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1785         __u64 objid;
1786         char *end;
1787         int rc;
1788
1789         if (argc != 2)
1790                 return CMD_HELP;
1791
1792         objid = strtoull(argv[1], &end, 0);
1793         if (*end) {
1794                 fprintf(stderr, "error: %s: objid '%s' is not a number\n",
1795                         jt_cmdname(argv[0]), argv[1]);
1796                 return CMD_HELP;
1797         }
1798
1799         if (objid >= OBIF_MAX_OID) {
1800                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1801                         jt_cmdname(argv[0]), argv[1]);
1802                 return CMD_HELP;
1803         }
1804
1805         memset(&data, 0, sizeof(data));
1806         data.ioc_dev = cur_device;
1807         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1808         data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1809         /* to help obd filter */
1810         data.ioc_obdo1.o_mode = 0100644;
1811         data.ioc_obdo1.o_valid = 0xffffffff;
1812         printf("%s: object id %#jx\n", jt_cmdname(argv[0]),
1813                (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi));
1814
1815         memset(buf, 0, sizeof(rawbuf));
1816         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1817         if (rc) {
1818                 fprintf(stderr, "error: %s: invalid ioctl\n",
1819                         jt_cmdname(argv[0]));
1820                 return rc;
1821         }
1822         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
1823         llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
1824         if (rc) {
1825                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1826                         strerror(rc = errno));
1827         } else {
1828                 printf("%s: object id %ju, mode %o\n", jt_cmdname(argv[0]),
1829                        (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi),
1830                        data.ioc_obdo1.o_mode);
1831         }
1832         return rc;
1833 }
1834
1835 int jt_obd_test_getattr(int argc, char **argv)
1836 {
1837         struct obd_ioctl_data data;
1838         struct timeval start, next_time;
1839         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1840         __u64 i, count, next_count;
1841         int verbose = 1;
1842         __u64 objid = 3;
1843         char *end;
1844         int rc = 0;
1845
1846         if (argc < 2 || argc > 4)
1847                 return CMD_HELP;
1848
1849         memset(&data, 0, sizeof(data));
1850         data.ioc_dev = cur_device;
1851         count = strtoull(argv[1], &end, 0);
1852         if (*end) {
1853                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1854                         jt_cmdname(argv[0]), argv[1]);
1855                 return CMD_HELP;
1856         }
1857
1858         if (argc >= 3) {
1859                 verbose = get_verbose(argv[0], argv[2]);
1860                 if (verbose == BAD_VERBOSE)
1861                         return CMD_HELP;
1862         }
1863
1864         if (argc >= 4) {
1865                 if (argv[3][0] == 't') {
1866                         objid = strtoull(argv[3] + 1, &end, 0);
1867                         if (thread)
1868                                 objid += thread - 1;
1869                 } else
1870                         objid = strtoull(argv[3], &end, 0);
1871                 if (*end) {
1872                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1873                                 jt_cmdname(argv[0]), argv[3]);
1874                         return CMD_HELP;
1875                 }
1876         }
1877
1878         gettimeofday(&start, NULL);
1879         next_time.tv_sec = start.tv_sec - verbose;
1880         next_time.tv_usec = start.tv_usec;
1881         if (verbose != 0)
1882                 printf("%s: getting %jd attrs (objid %#jx): %s",
1883                        jt_cmdname(argv[0]), (uintmax_t) count,
1884                        (uintmax_t)objid, ctime(&start.tv_sec));
1885
1886         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1887         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1888                 if (objid >= OBIF_MAX_OID) {
1889                         fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
1890                                 jt_cmdname(argv[0]), (unsigned long long)objid);
1891                         return -E2BIG;
1892                 }
1893
1894                 data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1895                 data.ioc_obdo1.o_mode = S_IFREG;
1896                 data.ioc_obdo1.o_valid = 0xffffffff;
1897                 memset(buf, 0, sizeof(rawbuf));
1898                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
1899                 if (rc) {
1900                         fprintf(stderr, "error: %s: invalid ioctl\n",
1901                                 jt_cmdname(argv[0]));
1902                         return rc;
1903                 }
1904                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
1905                 shmem_bump(1);
1906                 if (rc < 0) {
1907                         fprintf(stderr, "error: %s: #%jd - %d:%s\n",
1908                                 jt_cmdname(argv[0]), (uintmax_t)i,
1909                                 errno, strerror(rc = errno));
1910                         break;
1911                 } else {
1912                         if (be_verbose
1913                             (verbose, &next_time, i, &next_count, count))
1914                                 printf("%s: got attr #%jd\n",
1915                                        jt_cmdname(argv[0]), (uintmax_t)i);
1916                 }
1917         }
1918
1919         if (!rc) {
1920                 struct timeval end;
1921                 double diff;
1922
1923                 gettimeofday(&end, NULL);
1924
1925                 diff = difftime(&end, &start);
1926
1927                 --i;
1928                 if (verbose != 0)
1929                         printf("%s: %jd attrs in %.3fs (%.3f attr/s): %s",
1930                                jt_cmdname(argv[0]), (uintmax_t) i, diff,
1931                                i / diff, ctime(&end.tv_sec));
1932         }
1933         return rc;
1934 }
1935
1936 /* test_brw <cnt>                                               count
1937         <r|w[r(repeat)x(noverify)]>                             mode
1938         <q|v|#(print interval)>                                 verbosity
1939         <npages[+offset]>                                       blocksize
1940         <[[<interleave_threads>]t(inc obj by thread#)]obj>      object
1941         [p|g<args>]                                             batch */
1942 int jt_obd_test_brw(int argc, char **argv)
1943 {
1944         struct obd_ioctl_data data;
1945         struct timeval start, next_time;
1946         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1947         __u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
1948         int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
1949         int offset_pages = 0;
1950         long n;
1951         int repeat_offset = 0;
1952         unsigned long long ull;
1953         int  nthr_per_obj = 0;
1954         int  verify = 1;
1955         int  obj_idx = 0;
1956         char *end;
1957
1958         if (argc < 2 || argc > 7) {
1959                 fprintf(stderr, "error: %s: bad number of arguments: %d\n",
1960                         jt_cmdname(argv[0]), argc);
1961                 return CMD_HELP;
1962         }
1963
1964         count = strtoull(argv[1], &end, 0);
1965         if (*end) {
1966                 fprintf(stderr, "error: %s: bad iteration count '%s'\n",
1967                         jt_cmdname(argv[0]), argv[1]);
1968                 return CMD_HELP;
1969         }
1970
1971         if (argc >= 3) {
1972                 if (argv[2][0] == 'w' || argv[2][0] == '1')
1973                         write = 1;
1974                 /* else it's a read */
1975
1976                 if (argv[2][0] != 0)
1977                         for (i = 1; argv[2][i] != 0; i++)
1978                                 switch (argv[2][i]) {
1979                                 case 'r':
1980                                         repeat_offset = 1;
1981                                         break;
1982
1983                                 case 'x':
1984                                         verify = 0;
1985                                         break;
1986
1987                                 default:
1988                                         fprintf (stderr, "Can't parse cmd '%s'\n",
1989                                                  argv[2]);
1990                                         return CMD_HELP;
1991                                 }
1992         }
1993
1994         if (argc >= 4) {
1995                 verbose = get_verbose(argv[0], argv[3]);
1996                 if (verbose == BAD_VERBOSE)
1997                         return CMD_HELP;
1998         }
1999
2000         if (argc >= 5) {
2001                 pages = strtoul(argv[4], &end, 0);
2002
2003                 if (*end == '+')
2004                         offset_pages = strtoul(end + 1, &end, 0);
2005
2006                 if (*end != 0 ||
2007                     offset_pages < 0 || offset_pages >= pages) {
2008                         fprintf(stderr, "error: %s: bad npages[+offset] parameter '%s'\n",
2009                                 jt_cmdname(argv[0]), argv[4]);
2010                         return CMD_HELP;
2011                 }
2012         }
2013
2014         if (argc >= 6) {
2015                 if (thread &&
2016                     (n = strtol(argv[5], &end, 0)) > 0 &&
2017                     *end == 't' &&
2018                     (ull = strtoull(end + 1, &end, 0)) > 0 &&
2019                     *end == 0) {
2020                         nthr_per_obj = n;
2021                         objid = ull;
2022                 } else if (thread &&
2023                            argv[5][0] == 't') {
2024                         nthr_per_obj = 1;
2025                         objid = strtoull(argv[5] + 1, &end, 0);
2026                 } else {
2027                         nthr_per_obj = 0;
2028                         objid = strtoull(argv[5], &end, 0);
2029                 }
2030                 if (*end) {
2031                         fprintf(stderr, "error: %s: bad objid '%s'\n",
2032                                 jt_cmdname(argv[0]), argv[5]);
2033                         return CMD_HELP;
2034                 }
2035         }
2036
2037         memset(&data, 0, sizeof(data));
2038         data.ioc_dev = cur_device;
2039
2040         /* communicate the 'type' of brw test and batching to echo_client.
2041          * don't start.  we'd love to refactor this lctl->echo_client
2042          * interface */
2043         data.ioc_pbuf1 = (void *)1;
2044         data.ioc_plen1 = 1;
2045
2046         if (argc >= 7) {
2047                 switch(argv[6][0]) {
2048                         case 'g': /* plug and unplug */
2049                                 data.ioc_pbuf1 = (void *)2;
2050                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
2051                                                           0);
2052                                 break;
2053                         case 'p': /* prep and commit */
2054                                 data.ioc_pbuf1 = (void *)3;
2055                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
2056                                                           0);
2057                                 break;
2058                         default:
2059                                 fprintf(stderr, "error: %s: batching '%s' "
2060                                         "needs to specify 'p' or 'g'\n",
2061                                         jt_cmdname(argv[0]), argv[6]);
2062                                 return CMD_HELP;
2063                 }
2064
2065                 if (*end) {
2066                         fprintf(stderr, "error: %s: bad batching '%s'\n",
2067                                 jt_cmdname(argv[0]), argv[6]);
2068                         return CMD_HELP;
2069                 }
2070                 data.ioc_plen1 *= getpagesize();
2071         }
2072
2073         len = pages * getpagesize();
2074         thr_offset = offset_pages * getpagesize();
2075         stride = len;
2076
2077 #ifdef MAX_THREADS
2078         if (thread) {
2079                 shmem_lock ();
2080                 if (nthr_per_obj != 0) {
2081                         /* threads interleave */
2082                         obj_idx = (thread - 1)/nthr_per_obj;
2083                         objid += obj_idx;
2084                         stride *= nthr_per_obj;
2085                         if ((thread - 1) % nthr_per_obj == 0) {
2086                                 shared_data->body.offsets[obj_idx] =
2087                                         stride + thr_offset;
2088                         }
2089                         thr_offset += ((thread - 1) % nthr_per_obj) * len;
2090                 } else {
2091                         /* threads disjoint */
2092                         thr_offset += (thread - 1) * len;
2093                 }
2094
2095                 shmem_start_time_locked();
2096                 shmem_unlock ();
2097         }
2098 #endif
2099
2100         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
2101         if (objid >= OBIF_MAX_OID) {
2102                 fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
2103                         jt_cmdname(argv[0]), (unsigned long long)objid);
2104                 return -E2BIG;
2105         }
2106
2107         data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
2108         data.ioc_obdo1.o_mode = S_IFREG;
2109         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
2110                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
2111         data.ioc_obdo1.o_flags = (verify ? OBD_FL_DEBUG_CHECK : 0);
2112         data.ioc_count = len;
2113         data.ioc_offset = (repeat_offset ? 0 : thr_offset);
2114
2115         gettimeofday(&start, NULL);
2116         next_time.tv_sec = start.tv_sec - verbose;
2117         next_time.tv_usec = start.tv_usec;
2118
2119         if (verbose != 0)
2120                 printf("%s: %s %jux%d pages (obj %#jx, off %ju): %s",
2121                        jt_cmdname(argv[0]), write ? "writing" : "reading",
2122                        (uintmax_t)count, pages, (uintmax_t) objid,
2123                        (uintmax_t)data.ioc_offset, ctime(&start.tv_sec));
2124
2125         cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
2126         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
2127                 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
2128                 memset(buf, 0, sizeof(rawbuf));
2129                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2130                 if (rc) {
2131                         fprintf(stderr, "error: %s: invalid ioctl\n",
2132                                 jt_cmdname(argv[0]));
2133                         return rc;
2134                 }
2135                 rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
2136                 shmem_bump(1);
2137                 if (rc) {
2138                         fprintf(stderr, "error: %s: #%d - %s on %s\n",
2139                                 jt_cmdname(argv[0]), i, strerror(rc = errno),
2140                                 write ? "write" : "read");
2141                         break;
2142                 } else if (be_verbose(verbose, &next_time,i, &next_count,count)) {
2143                         shmem_lock ();
2144                         printf("%s: %s number %d @ %jd:%ju for %d\n",
2145                                jt_cmdname(argv[0]), write ? "write" : "read", i,
2146                                (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi),
2147                                (uintmax_t)data.ioc_offset,
2148                                (int)(pages * getpagesize()));
2149                         shmem_unlock ();
2150                 }
2151
2152                 if (!repeat_offset) {
2153 #ifdef MAX_THREADS
2154                         if (stride == len) {
2155                                 data.ioc_offset += stride;
2156                         } else if (i < count) {
2157                                 shmem_lock ();
2158                                 data.ioc_offset =
2159                                         shared_data->body.offsets[obj_idx];
2160                                 shared_data->body.offsets[obj_idx] += len;
2161                                 shmem_unlock ();
2162                         }
2163 #else
2164                         data.ioc_offset += len;
2165                         obj_idx = 0; /* avoids an unused var warning */
2166 #endif
2167                 }
2168         }
2169
2170         if (!rc) {
2171                 struct timeval end;
2172                 double diff;
2173
2174                 gettimeofday(&end, NULL);
2175
2176                 diff = difftime(&end, &start);
2177
2178                 --i;
2179                 if (verbose != 0)
2180                         printf("%s: %s %dx%d pages in %.3fs (%.3f MB/s): %s",
2181                                jt_cmdname(argv[0]), write ? "wrote" : "read",
2182                                i, pages, diff,
2183                                ((double)i * pages * getpagesize()) /
2184                                (diff * 1048576.0),
2185                                ctime(&end.tv_sec));
2186         }
2187
2188 #ifdef MAX_THREADS
2189         if (thread) {
2190                 shmem_lock();
2191                 shmem_end_time_locked();
2192                 shmem_unlock();
2193         }
2194 #endif
2195         return rc;
2196 }
2197
2198 int jt_obd_lov_getconfig(int argc, char **argv)
2199 {
2200         struct obd_ioctl_data data;
2201         struct lov_desc desc;
2202         struct obd_uuid *uuidarray;
2203         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2204         __u32 *obdgens;
2205         char *path;
2206         int rc, fd;
2207
2208         memset(&data, 0, sizeof(data));
2209         data.ioc_dev = cur_device;
2210
2211         if (argc != 2)
2212                 return CMD_HELP;
2213
2214         path = argv[1];
2215         fd = open(path, O_RDONLY);
2216         if (fd < 0) {
2217                 fprintf(stderr, "open \"%s\" failed: %s\n", path,
2218                         strerror(errno));
2219                 return -errno;
2220         }
2221
2222         memset(&desc, 0, sizeof(desc));
2223         obd_str2uuid(&desc.ld_uuid, argv[1]);
2224         desc.ld_tgt_count = ((MAX_IOC_BUFLEN-sizeof(data)-sizeof(desc)) /
2225                              (sizeof(*uuidarray) + sizeof(*obdgens)));
2226
2227 repeat:
2228         uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
2229         if (!uuidarray) {
2230                 fprintf(stderr, "error: %s: no memory for %d uuid's\n",
2231                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2232                 rc = -ENOMEM;
2233                 goto out;
2234         }
2235         obdgens = calloc(desc.ld_tgt_count, sizeof(*obdgens));
2236         if (!obdgens) {
2237                 fprintf(stderr, "error: %s: no memory for %d generation #'s\n",
2238                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2239                 rc = -ENOMEM;
2240                 goto out_uuidarray;
2241         }
2242
2243         memset(buf, 0, sizeof(rawbuf));
2244         data.ioc_inllen1 = sizeof(desc);
2245         data.ioc_inlbuf1 = (char *)&desc;
2246         data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
2247         data.ioc_inlbuf2 = (char *)uuidarray;
2248         data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
2249         data.ioc_inlbuf3 = (char *)obdgens;
2250
2251         if (llapi_ioctl_pack(&data, &buf, sizeof(rawbuf))) {
2252                 fprintf(stderr, "error: %s: invalid ioctl\n",
2253                         jt_cmdname(argv[0]));
2254                 rc = -EINVAL;
2255                 goto out_obdgens;
2256         }
2257         rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
2258         if (rc == -ENOSPC) {
2259                 free(uuidarray);
2260                 free(obdgens);
2261                 goto repeat;
2262         } else if (rc) {
2263                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2264                         jt_cmdname(argv[0]), strerror(rc = errno));
2265         } else {
2266                 struct obd_uuid *uuidp;
2267                 __u32 *genp;
2268                 int i;
2269
2270                 if (llapi_ioctl_unpack(&data, buf, sizeof(rawbuf))) {
2271                         fprintf(stderr, "error: %s: invalid reply\n",
2272                                 jt_cmdname(argv[0]));
2273                         rc = -EINVAL;
2274                         goto out;
2275                 }
2276                 if (desc.ld_default_stripe_count == (__u32)-1)
2277                         printf("default_stripe_count: %d\n", -1);
2278                 else
2279                         printf("default_stripe_count: %u\n",
2280                                desc.ld_default_stripe_count);
2281                 printf("default_stripe_size: %ju\n",
2282                        (uintmax_t)desc.ld_default_stripe_size);
2283                 printf("default_stripe_offset: %ju\n",
2284                        (uintmax_t)desc.ld_default_stripe_offset);
2285                 printf("default_stripe_pattern: %u\n", desc.ld_pattern);
2286                 printf("obd_count: %u\n", desc.ld_tgt_count);
2287                 printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
2288                 uuidp = uuidarray;
2289                 genp = obdgens;
2290                 for (i = 0; i < desc.ld_tgt_count; i++, uuidp++, genp++)
2291                         printf("\t%6u\t%14u\t\t %s\n", i, *genp, (char *)uuidp);
2292         }
2293 out_obdgens:
2294         free(obdgens);
2295 out_uuidarray:
2296         free(uuidarray);
2297 out:
2298         close(fd);
2299         return rc;
2300 }
2301
2302 static int do_activate(int argc, char **argv, int flag)
2303 {
2304         struct obd_ioctl_data data;
2305         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2306         int rc;
2307
2308         memset(&data, 0, sizeof(data));
2309         data.ioc_dev = cur_device;
2310         if (argc != 1)
2311                 return CMD_HELP;
2312
2313         /* reuse offset for 'active' */
2314         data.ioc_offset = flag;
2315
2316         memset(buf, 0, sizeof(rawbuf));
2317         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2318         if (rc) {
2319                 fprintf(stderr, "error: %s: invalid ioctl\n",
2320                         jt_cmdname(argv[0]));
2321                 return rc;
2322         }
2323         rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
2324         if (rc)
2325                 fprintf(stderr, "error: %s: failed: %s\n",
2326                         jt_cmdname(argv[0]), strerror(rc = errno));
2327
2328         return rc;
2329 }
2330
2331 /**
2332  * Replace nids for given device.
2333  * lctl replace_nids <devicename> <nid1>[,nid2,nid3]
2334  * Command should be started on MGS server.
2335  * Only MGS server should be started (command execution
2336  * returns error in another cases). Command mount
2337  * -t lustre <MDT partition> -o nosvc <mount point>
2338  * can be used for that.
2339  *
2340  * llogs for MDTs and clients are processed. All
2341  * records copied as is except add_uuid and setup. This records
2342  * are skipped and recorded with new nids and uuid.
2343  *
2344  * \see mgs_replace_nids
2345  * \see mgs_replace_log
2346  * \see mgs_replace_nids_handler
2347  */
2348 int jt_replace_nids(int argc, char **argv)
2349 {
2350         int rc;
2351         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2352         struct obd_ioctl_data data;
2353
2354         memset(&data, 0, sizeof(data));
2355         data.ioc_dev = get_mgs_device();
2356         if (argc != 3)
2357                 return CMD_HELP;
2358
2359         data.ioc_inllen1 = strlen(argv[1]) + 1;
2360         data.ioc_inlbuf1 = argv[1];
2361
2362         data.ioc_inllen2 = strlen(argv[2]) + 1;
2363         data.ioc_inlbuf2 = argv[2];
2364         memset(buf, 0, sizeof(rawbuf));
2365         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2366         if (rc) {
2367                 fprintf(stderr, "error: %s: invalid ioctl\n",
2368                         jt_cmdname(argv[0]));
2369                 return rc;
2370         }
2371
2372         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_REPLACE_NIDS, buf);
2373         if (rc < 0) {
2374                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2375                         strerror(rc = errno));
2376         }
2377
2378         return rc;
2379 }
2380
2381 /**
2382  * Clear config logs for given device or filesystem.
2383  * lctl clear_conf <devicename|fsname>
2384  * Command has to be run on MGS node having MGS device mounted with -o
2385  * nosvc.
2386  *
2387  * Configuration logs for filesystem or one particular log is
2388  * processed. New log is created, original log is read, its records
2389  * marked SKIP do not get copied to new log. Others are copied as-is.
2390  * Original file is renamed to log.${time}.bak.
2391  *
2392  * \see mgs_clear_configs
2393  * \see mgs_replace_log
2394  * \see mgs_clear_config_handler
2395  **/
2396 int jt_lcfg_clear(int argc, char **argv)
2397 {
2398         int rc;
2399         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2400         struct obd_ioctl_data data;
2401
2402         memset(&data, 0, sizeof(data));
2403         data.ioc_dev = get_mgs_device();
2404         if (argc != 2)
2405                 return CMD_HELP;
2406
2407         data.ioc_inllen1 = strlen(argv[1]) + 1;
2408         data.ioc_inlbuf1 = argv[1];
2409
2410         memset(buf, 0, sizeof(rawbuf));
2411         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2412         if (rc) {
2413                 fprintf(stderr, "error: %s: invalid ioctl\n",
2414                         jt_cmdname(argv[0]));
2415                 return rc;
2416         }
2417
2418         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLEAR_CONFIGS, buf);
2419         if (rc < 0) {
2420                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2421                         strerror(rc = errno));
2422         }
2423
2424         return rc;
2425 }
2426
2427 int jt_obd_deactivate(int argc, char **argv)
2428 {
2429         return do_activate(argc, argv, 0);
2430 }
2431
2432 int jt_obd_activate(int argc, char **argv)
2433 {
2434         return do_activate(argc, argv, 1);
2435 }
2436
2437 int jt_obd_recover(int argc, char **argv)
2438 {
2439         int rc;
2440         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2441         struct obd_ioctl_data data;
2442
2443         memset(&data, 0, sizeof(data));
2444         data.ioc_dev = cur_device;
2445         if (argc > 2)
2446                 return CMD_HELP;
2447
2448         if (argc == 2) {
2449                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2450                 data.ioc_inlbuf1 = argv[1];
2451         }
2452
2453         memset(buf, 0, sizeof(rawbuf));
2454         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2455         if (rc) {
2456                 fprintf(stderr, "error: %s: invalid ioctl\n",
2457                         jt_cmdname(argv[0]));
2458                 return rc;
2459         }
2460         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
2461         if (rc < 0) {
2462                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2463                         strerror(rc = errno));
2464         }
2465
2466         return rc;
2467 }
2468
2469 int jt_obd_mdc_lookup(int argc, char **argv)
2470 {
2471         struct obd_ioctl_data data;
2472         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2473         char *parent, *child;
2474         int rc, fd, verbose = 1;
2475
2476         if (argc < 3 || argc > 4)
2477                 return CMD_HELP;
2478
2479         parent = argv[1];
2480         child = argv[2];
2481         if (argc == 4)
2482                 verbose = get_verbose(argv[0], argv[3]);
2483
2484         memset(&data, 0, sizeof(data));
2485         data.ioc_dev = cur_device;
2486
2487         data.ioc_inllen1 = strlen(child) + 1;
2488         data.ioc_inlbuf1 = child;
2489
2490         memset(buf, 0, sizeof(rawbuf));
2491         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2492         if (rc) {
2493                 fprintf(stderr, "error: %s: invalid ioctl\n",
2494                         jt_cmdname(argv[0]));
2495                 return rc;
2496         }
2497
2498         fd = open(parent, O_RDONLY);
2499         if (fd < 0) {
2500                 fprintf(stderr, "open \"%s\" failed: %s\n", parent,
2501                         strerror(errno));
2502                 return -1;
2503         }
2504
2505         rc = ioctl(fd, IOC_MDC_LOOKUP, buf);
2506         if (rc < 0) {
2507                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2508                         jt_cmdname(argv[0]), strerror(rc = errno));
2509         }
2510         close(fd);
2511
2512         if (verbose) {
2513                 rc = llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
2514                 if (rc) {
2515                         fprintf(stderr, "error: %s: invalid reply\n",
2516                                 jt_cmdname(argv[0]));
2517                         return rc;
2518                 }
2519                 printf("%s: mode %o uid %d gid %d\n", child,
2520                        data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
2521                        data.ioc_obdo1.o_gid);
2522         }
2523
2524         return rc;
2525 }
2526
2527 int jt_lcfg_fork(int argc, char **argv)
2528 {
2529         struct obd_ioctl_data data;
2530         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2531         int rc;
2532
2533         if (argc != 3)
2534                 return CMD_HELP;
2535
2536         memset(&data, 0, sizeof(data));
2537         data.ioc_dev = get_mgs_device();
2538         data.ioc_inllen1 = strlen(argv[1]) + 1;
2539         data.ioc_inlbuf1 = argv[1];
2540         data.ioc_inllen2 = strlen(argv[2]) + 1;
2541         data.ioc_inlbuf2 = argv[2];
2542
2543         memset(buf, 0, sizeof(rawbuf));
2544         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2545         if (rc) {
2546                 fprintf(stderr, "error: %s: invalid ioctl\n",
2547                         jt_cmdname(argv[0]));
2548                 return rc;
2549         }
2550
2551         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LCFG_FORK, buf);
2552         if (rc < 0)
2553                 fprintf(stderr, "error: %s: OBD_IOC_LCFG_FORK failed: %s\n",
2554                         jt_cmdname(argv[0]), strerror(errno));
2555
2556         return rc;
2557 }
2558
2559 int jt_lcfg_erase(int argc, char **argv)
2560 {
2561         struct obd_ioctl_data data;
2562         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2563         int rc;
2564
2565         if (argc == 3) {
2566                 if (strncmp(argv[2], "-q", strlen("-q")) != 0 &&
2567                     strncmp(argv[2], "--quiet", strlen("--quiet")) != 0)
2568                         return CMD_HELP;
2569         } else if (argc != 2) {
2570                 return CMD_HELP;
2571         }
2572
2573         memset(&data, 0, sizeof(data));
2574         data.ioc_dev = get_mgs_device();
2575         data.ioc_inllen1 = strlen(argv[1]) + 1;
2576         data.ioc_inlbuf1 = argv[1];
2577
2578         memset(buf, 0, sizeof(rawbuf));
2579         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2580         if (rc) {
2581                 fprintf(stderr, "error: %s: invalid ioctl\n",
2582                         jt_cmdname(argv[0]));
2583                 return rc;
2584         }
2585
2586         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LCFG_ERASE, buf);
2587         if (rc < 0)
2588                 fprintf(stderr, "error: %s: OBD_IOC_LCFG_ERASE failed: %s\n",
2589                         jt_cmdname(argv[0]), strerror(errno));
2590
2591         return rc;
2592 }
2593
2594 int jt_llog_catlist(int argc, char **argv)
2595 {
2596         struct obd_ioctl_data data;
2597         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2598         char *tmp = NULL;
2599         int start = 0;
2600         int rc;
2601
2602         if (argc != 1)
2603                 return CMD_HELP;
2604
2605         do {
2606                 memset(&data, 0, sizeof(data));
2607                 data.ioc_dev = cur_device;
2608                 data.ioc_inllen1 = sizeof(rawbuf) -
2609                                    __ALIGN_KERNEL(sizeof(data), 8);
2610                 data.ioc_count = start;
2611                 memset(buf, 0, sizeof(rawbuf));
2612                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2613                 if (rc) {
2614                         fprintf(stderr, "error: %s: invalid ioctl\n",
2615                                 jt_cmdname(argv[0]));
2616                         return rc;
2617                 }
2618                 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
2619                 if (rc < 0)
2620                         break;
2621                 tmp = ((struct obd_ioctl_data *)buf)->ioc_bulk;
2622                 if (strlen(tmp) > 0)
2623                         fprintf(stdout, "%s", tmp);
2624                 else
2625                         break;
2626                 start = ((struct obd_ioctl_data *)buf)->ioc_count;
2627         } while (start);
2628
2629         if (rc < 0)
2630                 fprintf(stderr, "OBD_IOC_CATLOGLIST failed: %s\n",
2631                         strerror(errno));
2632
2633         return rc;
2634 }
2635
2636 int jt_llog_info(int argc, char **argv)
2637 {
2638         struct obd_ioctl_data data;
2639         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2640         int rc;
2641
2642         if (argc != 2)
2643                 return CMD_HELP;
2644
2645         memset(&data, 0, sizeof(data));
2646         data.ioc_dev = cur_device;
2647         data.ioc_inllen1 = strlen(argv[1]) + 1;
2648         data.ioc_inlbuf1 = argv[1];
2649         data.ioc_inllen2 = sizeof(rawbuf) - __ALIGN_KERNEL(sizeof(data), 8) -
2650                            __ALIGN_KERNEL(data.ioc_inllen1, 8);
2651         memset(buf, 0, sizeof(rawbuf));
2652         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2653         if (rc) {
2654                 fprintf(stderr, "error: %s: invalid ioctl\n",
2655                         jt_cmdname(argv[0]));
2656                 return rc;
2657         }
2658
2659         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
2660         if (rc == 0)
2661                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2662         else
2663                 fprintf(stderr, "OBD_IOC_LLOG_INFO failed: %s\n",
2664                         strerror(errno));
2665
2666         return rc;
2667 }
2668
2669 int jt_llog_print_cb(const char *record, void *private)
2670 {
2671         printf("%s\n", record);
2672
2673         return 0;
2674 }
2675
2676 static int
2677 llog_process_records(int (record_cb)(const char *record, void *private),
2678                      const char *record, void *private, bool reverse)
2679 {
2680         char *ptr = NULL;
2681         char *tmp = NULL;
2682         int rc = 0;
2683
2684         if (!reverse) {
2685                 do {
2686                         ptr = strchr(record, '\n');
2687                         if (ptr)
2688                                 *ptr = '\0';
2689                         rc = record_cb(record, private);
2690                         if (rc)
2691                                 goto out;
2692                         if (ptr)
2693                                 record = ptr + 1;
2694                 } while (ptr && *(ptr + 1));
2695         } else {
2696                 tmp = (char *)record;
2697
2698                 ptr = strrchr(record, '\n');
2699                 if (ptr)
2700                         *ptr = '\0';
2701                 else
2702                         goto out;
2703                 while ((ptr = strrchr(record, '\n'))) {
2704                         tmp = ptr + 1;
2705                         *ptr = '\0';
2706                         rc = record_cb(tmp, private);
2707                         if (rc)
2708                                 goto out;
2709                 };
2710                 rc = record_cb(record, private);
2711                 if (rc)
2712                         goto out;
2713         }
2714 out:
2715         return rc;
2716 }
2717
2718 /**
2719  * Iterate over llog records, typically YAML-formatted configuration logs
2720  *
2721  * \param logname[in]   name of llog file or FID
2722  * \param start[in]     first record to process
2723  * \param end[in]       last record to process (inclusive)
2724  * \param cb[in]        callback for records. Return -ve error, or +ve abort.
2725  * \param private[in,out] private data passed to the \a record_cb function
2726  * \param reverse[in]   print the llog records from the beginning or the end
2727  *
2728  * \retval              0 on success
2729  *                      others handled by the caller
2730  */
2731 int jt_llog_print_iter(char *logname, long start, long end,
2732                        int (record_cb)(const char *record, void *private),
2733                        void *private, bool reverse)
2734 {
2735         struct obd_ioctl_data data = { 0 };
2736         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2737         char startbuf[16], endbuf[16];
2738         static long inc = sizeof(rawbuf) / 128;
2739         long rec;
2740         int rc = 0;
2741
2742         if (end == -1)
2743                 end = 0x7fffffff;
2744
2745         data.ioc_dev = cur_device;
2746         data.ioc_inlbuf1 = logname;
2747         data.ioc_inllen1 = strlen(logname) + 1;
2748
2749         /*
2750          * Estimate about 128 characters per configuration record.  Not all
2751          * records will be printed in any case, so they should easily fit.  If
2752          * not, the kernel will return -EOVERFLOW and ask for fewer records.
2753          *
2754          * We don't want to request records from the kernel one-at-a-time, as
2755          * it restarts the config llog iteration from the beginning, so we
2756          * fetch multiple records from the kernel per call and split locally.
2757          */
2758         for (rec = start; rec < end; rec += inc) {
2759                 char *record = ((struct obd_ioctl_data *)buf)->ioc_bulk;
2760
2761 retry:
2762                 snprintf(startbuf, sizeof(startbuf), "%lu", rec);
2763                 snprintf(endbuf, sizeof(endbuf), "%lu",
2764                          end < rec + inc - 1 ? end : rec + inc - 1);
2765
2766                 /* start and end record numbers are passed as ASCII digits */
2767                 data.ioc_inlbuf2 = startbuf;
2768                 data.ioc_inllen2 = strlen(startbuf) + 1;
2769                 data.ioc_inlbuf3 = endbuf;
2770                 data.ioc_inllen3 = strlen(endbuf) + 1;
2771
2772                 data.ioc_inllen4 = sizeof(rawbuf) -
2773                         __ALIGN_KERNEL(sizeof(data), 8) -
2774                         __ALIGN_KERNEL(data.ioc_inllen1, 8) -
2775                         __ALIGN_KERNEL(data.ioc_inllen2, 8) -
2776                         __ALIGN_KERNEL(data.ioc_inllen3, 8);
2777                 memset(buf, 0, sizeof(rawbuf));
2778                 rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
2779                 if (rc) {
2780                         fprintf(stderr, "%s: invalid ioctl data\n", logname);
2781                         goto out;
2782                 }
2783
2784                 rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
2785                 if (rc == -EOVERFLOW && inc > 2) {
2786                         inc /= 2;
2787                         goto retry;
2788                 }
2789                 if (rc) {
2790                         fprintf(stderr, "%s: OBD_IOC_LLOG_PRINT failed: %s\n",
2791                                 logname, strerror(errno));
2792                         rc = -errno;
2793                         goto out;
2794                 }
2795
2796                 /* There is no "end of list" marker, record was not modified */
2797                 if (strcmp(record, logname) == 0)
2798                         break;
2799
2800                 rc = llog_process_records(record_cb, record, private, reverse);
2801                 if (rc)
2802                         goto out;
2803         }
2804
2805 out:
2806         return rc;
2807 }
2808
2809 static int llog_parse_catalog_start_end(int *argc, char **argv[],
2810                                         char **catalog, long *start, long *end)
2811 {
2812         const struct option long_opts[] = {
2813         /* the --catalog option is not required, just for consistency */
2814         { .val = 'c',   .name = "catalog",      .has_arg = required_argument },
2815         { .val = 'e',   .name = "end",          .has_arg = required_argument },
2816         { .val = 'h',   .name = "help",         .has_arg = no_argument },
2817         { .val = 's',   .name = "start",        .has_arg = required_argument },
2818         { .name = NULL } };
2819         char *cmd = (*argv)[0];
2820         char *endp;
2821         int c;
2822
2823         if (catalog == NULL || start == NULL || end == NULL)
2824                 return -EINVAL;
2825
2826         /* now process command line arguments*/
2827         while ((c = getopt_long(*argc, *argv, "c:e:hs:",
2828                                 long_opts, NULL)) != -1) {
2829                 switch (c) {
2830                 case 'c':
2831                         *catalog = optarg;
2832                         break;
2833                 case 'e':
2834                         *end = strtol(optarg, &endp, 0);
2835                         if (*endp != '\0') {
2836                                 fprintf(stderr, "%s: bad end value '%s'\n",
2837                                         cmd, optarg);
2838                                 return CMD_HELP;
2839                         }
2840                         break;
2841                 case 's':
2842                         *start = strtol(optarg, &endp, 0);
2843                         if (*endp != '\0') {
2844                                 fprintf(stderr, "%s: bad start value '%s'\n",
2845                                         cmd, optarg);
2846                                 return CMD_HELP;
2847                         }
2848                         break;
2849                 case 'h':
2850                 default:
2851                         return CMD_HELP;
2852                 }
2853         }
2854         *argc -= optind;
2855         *argv += optind;
2856
2857         /* support old optional positional parameters only if they were
2858          * not already specified with named arguments: logname [start [end]]
2859          */
2860         if (*argc >= 1) {
2861                 if (*catalog) {
2862                         fprintf(stderr,
2863                                 "%s: catalog is set, unknown argument '%s'\n",
2864                                 cmd, (*argv)[0]);
2865                         return CMD_HELP;
2866                 }
2867                 *catalog = (*argv)[0];
2868                 (*argc)--;
2869                 (*argv)++;
2870         }
2871
2872         if (*argc >= 1) {
2873                 if (*start != 1) {
2874                         fprintf(stderr,
2875                                 "%s: --start is set, unknown argument '%s'\n",
2876                                 cmd, (*argv)[0]);
2877                         return CMD_HELP;
2878                 }
2879
2880                 *start = strtol((*argv)[0], &endp, 0);
2881                 if (*endp != '\0') {
2882                         fprintf(stderr, "%s: bad start value '%s'\n",
2883                                 cmd, (*argv)[0]);
2884                         return CMD_HELP;
2885                 }
2886                 (*argc)--;
2887                 (*argv)++;
2888         }
2889         if (*argc >= 1) {
2890                 if (*end != -1) {
2891                         fprintf(stderr,
2892                                 "%s: --end is set, unknown argument '%s'\n",
2893                                 cmd, (*argv)[0]);
2894                         return CMD_HELP;
2895                 }
2896
2897                 *end = strtol((*argv)[0], &endp, 0);
2898                 if (*endp != '\0') {
2899                         fprintf(stderr, "%s: bad end value '%s'\n",
2900                                 cmd, (*argv)[0]);
2901                         return CMD_HELP;
2902                 }
2903                 (*argc)--;
2904                 (*argv)++;
2905         }
2906         if (*argc > 1) {
2907                 fprintf(stderr, "%s: unknown argument '%s'\n", cmd, (*argv)[0]);
2908                 return CMD_HELP;
2909         }
2910
2911         if (*end != -1 && *end < *start) {
2912                 fprintf(stderr, "%s: end '%lu' less than than start '%lu'\n",
2913                         cmd, *end, *start);
2914                 return CMD_HELP;
2915         }
2916
2917         return 0;
2918 }
2919
2920 int jt_llog_print(int argc, char **argv)
2921 {
2922         char *catalog = NULL;
2923         long start = 1, end = -1;
2924         int rc;
2925
2926         rc = llog_parse_catalog_start_end(&argc, &argv, &catalog, &start, &end);
2927         if (rc)
2928                 return rc;
2929
2930         rc = jt_llog_print_iter(catalog, start, end, jt_llog_print_cb,
2931                                 NULL, false);
2932
2933         return rc;
2934 }
2935
2936 static int llog_cancel_parse_optional(int argc, char **argv,
2937                                       struct obd_ioctl_data *data)
2938 {
2939         const struct option long_opts[] = {
2940         { .val = 'c',   .name = "catalog",      .has_arg = required_argument },
2941         { .val = 'h',   .name = "help",         .has_arg = no_argument },
2942         { .val = 'i',   .name = "log_idx",      .has_arg = required_argument },
2943         { .val = 'l',   .name = "log_id",       .has_arg = required_argument },
2944         { .name = NULL } };
2945         int c;
2946
2947         /* sanity check */
2948         if (!data || argc <= 1)
2949                 return -1;
2950
2951         /* now process command line arguments*/
2952         while ((c = getopt_long(argc, argv, "c:hi:l:",
2953                                 long_opts, NULL)) != -1) {
2954                 switch (c) {
2955                 case 'c':
2956                         data->ioc_inllen1 = strlen(optarg) + 1;
2957                         data->ioc_inlbuf1 = optarg;
2958                         break;
2959                 case 'l':
2960                         data->ioc_inllen2 = strlen(optarg) + 1;
2961                         data->ioc_inlbuf2 = optarg;
2962                         break;
2963                 case 'i':
2964                         data->ioc_inllen3 = strlen(optarg) + 1;
2965                         data->ioc_inlbuf3 = optarg;
2966                         break;
2967                 case 'h':
2968                 default:
2969                         return -1;
2970                 }
2971         }
2972
2973         if ((data->ioc_inlbuf1 == NULL) || (data->ioc_inlbuf3 == NULL)) {
2974                 /* missing mandatory parameters */
2975                 return -1;
2976         }
2977
2978         return 0;
2979 }
2980
2981 int jt_llog_cancel(int argc, char **argv)
2982 {
2983         struct obd_ioctl_data data;
2984         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2985         int rc, i;
2986
2987         /* check that the arguments provided are either all
2988          * optional or all positional.  No mixing allowed
2989          *
2990          * if argc is 4 or 3 then check all arguments to ensure that none
2991          * of them start with a '-'.  If so then this is invalid.
2992          * Otherwise if arg is > 4 then assume that this is optional
2993          * arguments, and parse as such ignoring any thing that's not
2994          * optional.  The result is that user must use optional arguments
2995          * for all mandatory parameters.  Code will ignore all other args
2996          *
2997          * The positional arguments option should eventually be phased out.
2998          */
2999         memset(&data, 0, sizeof(data));
3000         data.ioc_dev = cur_device;
3001
3002         if (argc == 3 || argc == 4) {
3003                 for (i = 1; i < argc; i++) {
3004                         if (argv[i][0] == '-')
3005                                 return CMD_HELP;
3006                 }
3007                 data.ioc_inllen1 = strlen(argv[1]) + 1;
3008                 data.ioc_inlbuf1 = argv[1];
3009                 if (argc == 4) {
3010                         data.ioc_inllen2 = strlen(argv[2]) + 1;
3011                         data.ioc_inlbuf2 = argv[2];
3012                         data.ioc_inllen3 = strlen(argv[3]) + 1;
3013                         data.ioc_inlbuf3 = argv[3];
3014                 } else {
3015                         data.ioc_inllen3 = strlen(argv[2]) + 1;
3016                         data.ioc_inlbuf3 = argv[2];
3017                 }
3018         } else {
3019                 if (llog_cancel_parse_optional(argc, argv, &data))
3020                         return CMD_HELP;
3021         }
3022
3023         memset(buf, 0, sizeof(rawbuf));
3024         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
3025         if (rc) {
3026                 fprintf(stderr, "error: %s: invalid ioctl\n",
3027                         jt_cmdname(argv[0]));
3028                 return rc;
3029         }
3030
3031         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
3032         if (rc == 0)
3033                 fprintf(stdout, "index %s was canceled.\n",
3034                         argc == 4 ? argv[3] : argv[2]);
3035         else
3036                 fprintf(stderr, "OBD_IOC_LLOG_CANCEL failed: %s\n",
3037                         strerror(errno));
3038
3039         return rc;
3040 }
3041
3042 int jt_llog_check(int argc, char **argv)
3043 {
3044         struct obd_ioctl_data data;
3045         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
3046         int rc;
3047
3048         if (argc != 2 && argc != 4)
3049                 return CMD_HELP;
3050
3051         memset(&data, 0, sizeof(data));
3052         data.ioc_dev = cur_device;
3053         data.ioc_inllen1 = strlen(argv[1]) + 1;
3054         data.ioc_inlbuf1 = argv[1];
3055         if (argc == 4) {
3056                 data.ioc_inllen2 = strlen(argv[2]) + 1;
3057                 data.ioc_inlbuf2 = argv[2];
3058                 data.ioc_inllen3 = strlen(argv[3]) + 1;
3059                 data.ioc_inlbuf3 = argv[3];
3060         } else {
3061                 char from[2] = "1", to[3] = "-1";
3062                 data.ioc_inllen2 = strlen(from) + 1;
3063                 data.ioc_inlbuf2 = from;
3064                 data.ioc_inllen3 = strlen(to) + 1;
3065                 data.ioc_inlbuf3 = to;
3066         }
3067         data.ioc_inllen4 = sizeof(rawbuf) - __ALIGN_KERNEL(sizeof(data), 8) -
3068                            __ALIGN_KERNEL(data.ioc_inllen1, 8) -
3069                            __ALIGN_KERNEL(data.ioc_inllen2, 8) -
3070                            __ALIGN_KERNEL(data.ioc_inllen3, 8);
3071         memset(buf, 0, sizeof(rawbuf));
3072         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
3073         if (rc) {
3074                 fprintf(stderr, "error: %s: invalid ioctl\n",
3075                         jt_cmdname(argv[0]));
3076                 return rc;
3077         }
3078
3079         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
3080         if (rc == 0)
3081                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
3082         else
3083                 fprintf(stderr, "OBD_IOC_LLOG_CHECK failed: %s\n",
3084                         strerror(errno));
3085         return rc;
3086 }
3087
3088 int jt_llog_remove(int argc, char **argv)
3089 {
3090         struct obd_ioctl_data data;
3091         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
3092         int rc;
3093
3094         if (argc != 3 && argc != 2)
3095                 return CMD_HELP;
3096
3097         memset(&data, 0, sizeof(data));
3098         data.ioc_dev = cur_device;
3099         data.ioc_inllen1 = strlen(argv[1]) + 1;
3100         data.ioc_inlbuf1 = argv[1];
3101         if (argc == 3){
3102                 data.ioc_inllen2 = strlen(argv[2]) + 1;
3103                 data.ioc_inlbuf2 = argv[2];
3104         }
3105         memset(buf, 0, sizeof(rawbuf));
3106         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
3107         if (rc) {
3108                 fprintf(stderr, "error: %s: invalid ioctl\n",
3109                         jt_cmdname(argv[0]));
3110                 return rc;
3111         }
3112
3113         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
3114         if (rc == 0) {
3115                 if (argc == 2)
3116                         fprintf(stdout, "log %s is removed.\n", argv[1]);
3117                 else
3118                         fprintf(stdout, "the log in catalog %s is removed. \n",
3119                                 argv[1]);
3120         } else
3121                 fprintf(stderr, "OBD_IOC_LLOG_REMOVE failed: %s\n",
3122                         strerror(errno));
3123
3124         return rc;
3125 }
3126
3127 static void signal_server(int sig)
3128 {
3129         if (sig == SIGINT) {
3130                 do_disconnect("sigint", 1);
3131                 exit(1);
3132         } else
3133                 fprintf(stderr, "%s: got signal %d\n", jt_cmdname("sigint"), sig);
3134 }
3135
3136 int obd_initialize(int argc, char **argv)
3137 {
3138         if (shmem_setup() != 0)
3139                 return -1;
3140
3141         register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH);
3142
3143         return 0;
3144 }
3145
3146 void obd_finalize(int argc, char **argv)
3147 {
3148         struct sigaction sigact;
3149
3150         /* sigact initialization */
3151         sigact.sa_handler = signal_server;
3152         sigfillset(&sigact.sa_mask);
3153         sigact.sa_flags = SA_RESTART;
3154         /* coverity[uninit_use_in_call] */
3155         sigaction(SIGINT, &sigact, NULL);
3156
3157         shmem_cleanup();
3158         do_disconnect(argv[0], 1);
3159 }
3160
3161 /**
3162  * Get the index of the last llog record
3163  *
3164  * logid:            [0x3:0xa:0x0]:0
3165  * flags:            4 (plain)
3166  * records_count:    57
3167  * last_index:       57
3168  *
3169  * \param logname[in]   pointer to config log name
3170  *
3171  * \retval              > 0 on success
3172  *                      <= 0 on error
3173  */
3174 static long llog_last_index(char *logname)
3175 {
3176         struct obd_ioctl_data data = { 0 };
3177         char rawbuf[MAX_IOC_BUFLEN] = "", *buf = rawbuf;
3178         char *last_index;
3179         long rc;
3180
3181         data.ioc_dev = cur_device;
3182         data.ioc_inllen1 = strlen(logname) + 1;
3183         data.ioc_inlbuf1 = logname;
3184         data.ioc_inllen2 = sizeof(rawbuf) - __ALIGN_KERNEL(sizeof(data), 8) -
3185                            __ALIGN_KERNEL(data.ioc_inllen1, 8);
3186         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
3187         if (rc) {
3188                 fprintf(stderr, "%s: ioctl_pack failed for catalog '%s': %s\n",
3189                         __func__, logname, strerror(-rc));
3190                 return rc;
3191         }
3192
3193         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
3194         if (rc == 0) {
3195                 last_index = strstr(((struct obd_ioctl_data *)buf)->ioc_bulk,
3196                                     "last_index:");
3197                 return strtol(last_index + 11, NULL, 10);
3198         } else {
3199                 rc = -errno;
3200         }
3201
3202         return rc;
3203 }
3204
3205 static char *get_llog_event_name(__u32 cmd)
3206 {
3207         struct lcfg_type_data *data;
3208
3209         data = lcfg_cmd2data(cmd);
3210         if (data)
3211                 return data->ltd_name;
3212         return NULL;
3213 }
3214
3215 static char *get_event_filter(__u32 cmd)
3216 {
3217         char *event_name;
3218         char *filter = NULL;
3219         int len;
3220
3221         event_name = get_llog_event_name(cmd);
3222         if (event_name) {
3223                 /* 9 bytes for "event: , " */
3224                 len = 9 + strlen(event_name);
3225                 filter = malloc(len + 1);
3226                 if (!filter)
3227                         return NULL;
3228                 memset(filter, 0, len + 1);
3229                 snprintf(filter, len, "event: %s, ", event_name);
3230                 return filter;
3231         }
3232
3233         return NULL;
3234 }
3235
3236 /**
3237  * Callback to search ostname in llog
3238  * - { index: 23, event: attach, device: lustre-OST0000-osc, type: osc,
3239  *     UUID: lustre-clilov_UUID }
3240  * - { index: 24, event: setup, device: lustre-OST0000-osc,
3241  *     UUID: lustre-OST0000_UUID, node: 192.168.0.120@tcp }
3242  * - { index: 25, event: add_osc, device: lustre-clilov,
3243  *     ost: lustre-OST0000_UUID, index: 0, gen: 1 }
3244  *
3245  * \param record[in]    pointer to llog record
3246  * \param data[in]      pointer to ostname
3247  *
3248  * \retval              1 if ostname is found
3249  *                      0 if ostname is not found
3250  *                      -ENOENT if ostname is deleted
3251  */
3252 static int llog_search_ost_cb(const char *record, void *data)
3253 {
3254         char *ostname = data;
3255         char ost_filter[MAX_STRING_SIZE] = {'\0'};
3256         char *add_osc, *del_osc, *setup, *cleanup;
3257
3258         add_osc = get_event_filter(LCFG_LOV_ADD_OBD);
3259         del_osc = get_event_filter(LCFG_LOV_DEL_OBD);
3260         setup = get_event_filter(LCFG_SETUP);
3261         cleanup = get_event_filter(LCFG_CLEANUP);
3262         if (!add_osc || !del_osc || !setup || !cleanup)
3263                 return -ENOMEM;
3264
3265         if (ostname && ostname[0])
3266                 snprintf(ost_filter, sizeof(ost_filter), " %s,", ostname);
3267
3268         if (strstr(record, ost_filter)) {
3269                 if (strstr(record, add_osc) || strstr(record, setup))
3270                         return 1;
3271                 if (strstr(record, del_osc) || strstr(record, cleanup))
3272                         return -ENOENT;
3273         }
3274
3275         free(add_osc);
3276         free(del_osc);
3277         free(setup);
3278         free(cleanup);
3279
3280         return 0;
3281 }
3282
3283 /**
3284  * Search ost in llog
3285  *
3286  * \param logname[in]           pointer to config log name
3287  * \param last_index[in]        the index of the last llog record
3288  * \param ostname[in]           pointer to ost name
3289  *
3290  * \retval                      1 if ostname is found
3291  *                              0 if ostname is not found
3292  */
3293 static int llog_search_ost(char *logname, long last_index, char *ostname)
3294 {
3295         long start, end, inc = MAX_IOC_BUFLEN / 128;
3296         int rc = 0;
3297
3298         for (end = last_index; end > 1; end -= inc) {
3299                 start = end - inc > 0 ? end - inc : 1;
3300                 rc = jt_llog_print_iter(logname, start, end, llog_search_ost_cb,
3301                                         ostname, true);
3302                 if (rc)
3303                         break;
3304         }
3305
3306         return (rc == 1 ? 1 : 0);
3307 }
3308
3309 struct llog_pool_data {
3310         char lpd_fsname[LUSTRE_MAXFSNAME + 1];
3311         char lpd_poolname[LOV_MAXPOOLNAME + 1];
3312         char lpd_ostname[MAX_OBD_NAME + 1];
3313         enum lcfg_command_type lpd_cmd_type;
3314         bool lpd_pool_exists;
3315         int lpd_ost_num;
3316 };
3317
3318 /**
3319  * Called for each formatted line in the config log (within range).
3320  *
3321  * - { index: 74, event: new_pool, device: tfs-clilov, fsname: tfs, pool: tmp }
3322  * - { index: 77, event: add_pool, device: tfs-clilov, fsname: tfs, pool: tmp,
3323  *     ost: tfs-OST0000_UUID }
3324  * - { index: 224, event: remove_pool, device: tfs-clilov, fsname: tfs,
3325  *     pool: tmp, ost: tfs-OST0003_UUID }
3326  * - { index: 227, event: del_pool, device: tfs-clilov, fsname: tfs, pool: tmp }
3327  *
3328  * \param record[in]    pointer to llog record
3329  * \param data[in]      pointer to llog_pool_data
3330  *
3331  * \retval              1 if pool or OST is found
3332  *                      0 if pool or OST is not found
3333  *                      -ENOENT if pool or OST is removed
3334  */
3335 static int llog_search_pool_cb(const char *record, void *data)
3336 {
3337         struct llog_pool_data *lpd = data;
3338         char pool_filter[MAX_STRING_SIZE] = "";
3339         char *new_pool, *del_pool, *add_pool, *rem_pool;
3340         char *found = NULL;
3341         int fs_pool_len = 0, rc = 0;
3342
3343         new_pool = get_event_filter(LCFG_POOL_NEW);
3344         del_pool = get_event_filter(LCFG_POOL_DEL);
3345         add_pool = get_event_filter(LCFG_POOL_ADD);
3346         rem_pool = get_event_filter(LCFG_POOL_REM);
3347         if (!new_pool || !del_pool || !add_pool || !rem_pool) {
3348                 rc = -ENOMEM;
3349                 goto out;
3350         }
3351
3352         fs_pool_len = 16 + strlen(lpd->lpd_fsname) + strlen(lpd->lpd_poolname);
3353         snprintf(pool_filter, fs_pool_len + 1, "fsname: %s, pool: %s",
3354                  lpd->lpd_fsname, lpd->lpd_poolname);
3355
3356         /* search poolname */
3357         found = strstr(record, pool_filter);
3358         if (found &&
3359             (found[fs_pool_len] == ' ' || found[fs_pool_len] == ',')) {
3360                 if (strstr(record, new_pool)) {
3361                         lpd->lpd_pool_exists = true;
3362                         rc = 1;
3363                         goto out;
3364                 }
3365                 if (strstr(record, del_pool)) {
3366                         lpd->lpd_pool_exists = false;
3367                         rc = -ENOENT;
3368                         goto out;
3369                 }
3370
3371                 if (lpd->lpd_cmd_type == LCFG_POOL_NEW ||
3372                     lpd->lpd_cmd_type == LCFG_POOL_DEL) {
3373                         if (strstr(record, add_pool))
3374                                 lpd->lpd_ost_num++;
3375                         if (strstr(record, rem_pool))
3376                                 lpd->lpd_ost_num--;
3377                 } else if (lpd->lpd_ostname && lpd->lpd_ostname[0]) {
3378                         if (strstr(record, lpd->lpd_ostname)) {
3379                                 lpd->lpd_pool_exists = true;
3380                                 if (strstr(record, add_pool)) {
3381                                         lpd->lpd_ost_num = 1;
3382                                         rc = 1;
3383                                         goto out;
3384                                 }
3385                                 if (strstr(record, rem_pool)) {
3386                                         lpd->lpd_ost_num = 0;
3387                                         rc = -ENOENT;
3388                                         goto out;
3389                                 }
3390                         }
3391                 }
3392         }
3393 out:
3394         if (new_pool)
3395                 free(new_pool);
3396         if (del_pool)
3397                 free(del_pool);
3398         if (add_pool)
3399                 free(add_pool);
3400         if (rem_pool)
3401                 free(rem_pool);
3402
3403         return rc;
3404 }
3405
3406 /* Search pool and its ost in llog
3407  *
3408  * \param logname[in]           pointer to config log name
3409  * \param last_index[in]        the index of the last llog record
3410  * \param fsname[in]            pointer to filesystem name
3411  * \param poolname[in]          pointer pool name
3412  * \param ostname[in]           pointer to OST name(OSTnnnn-UUID)
3413  * \param cmd[in]               pool command type
3414  *
3415  * \retval                      < 0 on error
3416  *                              0 if pool is empty or OST is not found
3417  *                              1 if pool is not empty or OST is found
3418  */
3419 static int llog_search_pool(char *logname, long last_index, char *fsname,
3420                             char *poolname, char *ostname,
3421                             enum lcfg_command_type cmd)
3422 {
3423         struct llog_pool_data lpd;
3424         long start, end, inc = MAX_IOC_BUFLEN / 128;
3425         int rc = 0;
3426
3427         memset(&lpd, 0, sizeof(lpd));
3428         lpd.lpd_cmd_type = cmd;
3429         lpd.lpd_pool_exists = false;
3430         lpd.lpd_ost_num = 0;
3431         strncpy(lpd.lpd_fsname, fsname, sizeof(lpd.lpd_fsname) - 1);
3432         if (poolname && poolname[0])
3433                 strncpy(lpd.lpd_poolname, poolname,
3434                         sizeof(lpd.lpd_poolname) - 1);
3435         if (ostname && ostname[0])
3436                 strncpy(lpd.lpd_ostname, ostname, sizeof(lpd.lpd_ostname) - 1);
3437
3438         for (end = last_index; end > 1; end -= inc) {
3439                 start = end - inc > 0 ? end - inc : 1;
3440                 rc = jt_llog_print_iter(logname, start, end,
3441                                         llog_search_pool_cb, &lpd, true);
3442                 if (rc) {
3443                         if (rc == 1 && lpd.lpd_pool_exists)
3444                                 rc = lpd.lpd_ost_num ? 1 : 0;
3445                         else if (rc == -ENOENT && lpd.lpd_pool_exists &&
3446                                  !lpd.lpd_ost_num)
3447                                 rc = 0;
3448                         goto out;
3449                 }
3450         }
3451
3452         rc = -ENOENT;
3453 out:
3454         return rc;
3455 }
3456
3457 static bool combined_mgs_mds(char *fsname)
3458 {
3459         glob_t path;
3460         int rc;
3461
3462         rc = cfs_get_param_paths(&path, "mdt/%s-MDT0000", fsname);
3463         if (!rc)
3464                 cfs_free_param_data(&path);
3465
3466         if (get_mgs_device() > 0 && !rc)
3467                 return true;
3468
3469         return false;
3470 }
3471
3472 /*
3473  * if pool is NULL, search ostname in target_obd
3474  * if pool is not NULL:
3475  *  - if pool not found returns errno < 0
3476  *  - if ostname is NULL, returns 1 if pool is not empty and 0 if pool empty
3477  *  - if ostname is not NULL, returns 1 if OST is in pool and 0 if not
3478  */
3479 int lctl_search_ost(char *fsname, char *poolname, char *ostname,
3480                     enum lcfg_command_type cmd)
3481 {
3482         char logname[MAX_OBD_NAME] = {'\0'};
3483         long last_index;
3484
3485         if (fsname && fsname[0] == '\0')
3486                 fsname = NULL;
3487         if (!fsname)
3488                 return -EINVAL;
3489
3490         if (combined_mgs_mds(fsname))
3491                 return llapi_search_ost(fsname, poolname, ostname);
3492
3493         /* fetch the last_index of llog record */
3494         snprintf(logname, sizeof(logname), "%s-client", fsname);
3495         last_index = llog_last_index(logname);
3496         if (last_index < 0)
3497                 return last_index;
3498
3499         /* if pool is NULL, search ostname in target_obd */
3500         if (!poolname && ostname)
3501                 return llog_search_ost(logname, last_index, ostname);
3502
3503         return llog_search_pool(logname, last_index, fsname, poolname,
3504                                 ostname, cmd);
3505 }
3506
3507 static int check_pool_cmd(enum lcfg_command_type cmd,
3508                           char *fsname, char *poolname,
3509                           char *ostname)
3510 {
3511         int rc;
3512
3513         rc = lctl_search_ost(fsname, poolname, ostname, cmd);
3514         if (rc < 0 && (cmd != LCFG_POOL_NEW)) {
3515                 fprintf(stderr, "Pool %s.%s not found\n",
3516                         fsname, poolname);
3517                 return rc;
3518         }
3519
3520         switch (cmd) {
3521         case LCFG_POOL_NEW: {
3522                 if (ostname != NULL)
3523                         return -EINVAL;
3524
3525                 if (rc >= 0) {
3526                         fprintf(stderr, "Pool %s.%s already exists\n",
3527                                 fsname, poolname);
3528                         return -EEXIST;
3529                 }
3530                 return 0;
3531         }
3532         case LCFG_POOL_DEL: {
3533                 if (ostname != NULL)
3534                         return -EINVAL;
3535
3536                 if (rc == 1) {
3537                         fprintf(stderr, "Pool %s.%s not empty, "
3538                                 "please remove all members\n",
3539                                 fsname, poolname);
3540                         return -ENOTEMPTY;
3541                 }
3542                 return 0;
3543         }
3544         case LCFG_POOL_ADD: {
3545                 if (rc == 1) {
3546                         fprintf(stderr, "OST %s is already in pool %s.%s\n",
3547                                 ostname, fsname, poolname);
3548                         return -EEXIST;
3549                 }
3550                 rc = lctl_search_ost(fsname, NULL, ostname, cmd);
3551                 if (rc == 0) {
3552                         fprintf(stderr, "OST %s is not part of the '%s' fs.\n",
3553                                 ostname, fsname);
3554                         return -ENOENT;
3555                 }
3556                 return 0;
3557         }
3558         case LCFG_POOL_REM: {
3559                 if (rc == 0) {
3560                         fprintf(stderr, "OST %s not found in pool %s.%s\n",
3561                                 ostname, fsname, poolname);
3562                         return -ENOENT;
3563                 }
3564                 return 0;
3565         }
3566         default:
3567                 break;
3568         } /* switch */
3569         return -EINVAL;
3570 }
3571
3572 /* This check only verifies that the changes have been "pushed out" to
3573    the client successfully.  This involves waiting for a config update,
3574    and so may fail because of problems in that code or post-command
3575    network loss. So reporting a warning is appropriate, but not a failure.
3576 */
3577 static int check_pool_cmd_result(enum lcfg_command_type cmd,
3578                                  char *fsname, char *poolname,
3579                                  char *ostname)
3580 {
3581         int cpt = 10;
3582         int rc = 0;
3583
3584         switch (cmd) {
3585         case LCFG_POOL_NEW: {
3586                 do {
3587                         rc = lctl_search_ost(fsname, poolname, NULL, cmd);
3588                         if (rc == -ENODEV)
3589                                 return rc;
3590                         if (rc < 0)
3591                                 sleep(2);
3592                         cpt--;
3593                 } while ((rc < 0) && (cpt > 0));
3594                 if (rc >= 0) {
3595                         fprintf(stderr, "Pool %s.%s created\n",
3596                                 fsname, poolname);
3597                         return 0;
3598                 } else {
3599                         fprintf(stderr, "Warning, pool %s.%s not found\n",
3600                                 fsname, poolname);
3601                         return -ENOENT;
3602                 }
3603         }
3604         case LCFG_POOL_DEL: {
3605                 do {
3606                         rc = lctl_search_ost(fsname, poolname, NULL, cmd);
3607                         if (rc == -ENODEV)
3608                                 return rc;
3609                         if (rc >= 0)
3610                                 sleep(2);
3611                         cpt--;
3612                 } while ((rc >= 0) && (cpt > 0));
3613                 if (rc < 0) {
3614                         fprintf(stderr, "Pool %s.%s destroyed\n",
3615                                 fsname, poolname);
3616                         return 0;
3617                 } else {
3618                         fprintf(stderr, "Warning, pool %s.%s still found\n",
3619                                 fsname, poolname);
3620                         return -EEXIST;
3621                 }
3622         }
3623         case LCFG_POOL_ADD: {
3624                 do {
3625                         rc = lctl_search_ost(fsname, poolname, ostname, cmd);
3626                         if (rc == -ENODEV)
3627                                 return rc;
3628                         if (rc != 1)
3629                                 sleep(2);
3630                         cpt--;
3631                 } while ((rc != 1) && (cpt > 0));
3632                 if (rc == 1) {
3633                         fprintf(stderr, "OST %s added to pool %s.%s\n",
3634                                 ostname, fsname, poolname);
3635                         return 0;
3636                 } else {
3637                         fprintf(stderr, "Warning, OST %s not found in pool %s.%s\n",
3638                                 ostname, fsname, poolname);
3639                         return -ENOENT;
3640                 }
3641         }
3642         case LCFG_POOL_REM: {
3643                 do {
3644                         rc = lctl_search_ost(fsname, poolname, ostname, cmd);
3645                         if (rc == -ENODEV)
3646                                 return rc;
3647                         if (rc == 1)
3648                                 sleep(2);
3649                         cpt--;
3650                 } while ((rc == 1) && (cpt > 0));
3651                 if (rc != 1) {
3652                         fprintf(stderr, "OST %s removed from pool %s.%s\n",
3653                                 ostname, fsname, poolname);
3654                         return 0;
3655                 } else {
3656                         fprintf(stderr, "Warning, OST %s still found in pool %s.%s\n",
3657                                 ostname, fsname, poolname);
3658                         return -EEXIST;
3659                 }
3660         }
3661         default:
3662                 break;
3663         }
3664         return -EINVAL;
3665 }
3666
3667 static int check_and_complete_ostname(char *fsname, char *ostname)
3668 {
3669         char *ptr;
3670         char real_ostname[MAX_OBD_NAME + 1];
3671         char i;
3672
3673         /* if OST name does not start with fsname, we add it */
3674         /* if not check if the fsname is the right one */
3675         ptr = strchr(ostname, '-');
3676         if (ptr == NULL) {
3677                 sprintf(real_ostname, "%s-%s", fsname, ostname);
3678         } else if (strncmp(ostname, fsname, strlen(fsname)) != 0) {
3679                 fprintf(stderr, "%s does not start with fsname %s\n",
3680                         ostname, fsname);
3681                 return -EINVAL;
3682         } else {
3683                 if (strlen(ostname) > sizeof(real_ostname)-1)
3684                         return -E2BIG;
3685                 strncpy(real_ostname, ostname, sizeof(real_ostname));
3686         }
3687         /* real_ostname is fsname-????? */
3688         ptr = real_ostname + strlen(fsname) + 1;
3689         if (strncmp(ptr, "OST", 3) != 0) {
3690                 fprintf(stderr, "%s does not start by %s-OST nor OST\n",
3691                         ostname, fsname);
3692                 return -EINVAL;
3693         }
3694         /* real_ostname is fsname-OST????? */
3695         ptr += 3;
3696         for (i = 0; i < 4; i++) {
3697                 if (!isxdigit(*ptr)) {
3698                         fprintf(stderr,
3699                                 "ost's index in %s is not an hexa number\n",
3700                                 ostname);
3701                         return -EINVAL;
3702                 }
3703                 ptr++;
3704         }
3705         /* real_ostname is fsname-OSTXXXX????? */
3706         /* if OST name does not end with _UUID, we add it */
3707         if (*ptr == '\0') {
3708                 strcat(real_ostname, "_UUID");
3709         } else if (strcmp(ptr, "_UUID") != 0) {
3710                 fprintf(stderr,
3711                         "ostname %s does not end with _UUID\n", ostname);
3712                 return -EINVAL;
3713         }
3714         /* real_ostname is fsname-OSTXXXX_UUID */
3715         strcpy(ostname, real_ostname);
3716         return 0;
3717 }
3718
3719 /* returns 0 or -errno */
3720 static int pool_cmd(enum lcfg_command_type cmd,
3721                     char *cmdname, char *fullpoolname,
3722                     char *fsname, char *poolname, char *ostname)
3723 {
3724         int rc = 0;
3725         struct obd_ioctl_data data;
3726         struct lustre_cfg_bufs bufs;
3727         struct lustre_cfg *lcfg;
3728         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
3729
3730         rc = check_pool_cmd(cmd, fsname, poolname, ostname);
3731         if (rc == -ENODEV)
3732                 fprintf(stderr, "Can't verify pool command since there "
3733                         "is no local MDT or client, proceeding anyhow...\n");
3734         else if (rc)
3735                 return rc;
3736
3737         lustre_cfg_bufs_reset(&bufs, NULL);
3738         lustre_cfg_bufs_set_string(&bufs, 0, cmdname);
3739         lustre_cfg_bufs_set_string(&bufs, 1, fullpoolname);
3740         if (ostname != NULL)
3741                 lustre_cfg_bufs_set_string(&bufs, 2, ostname);
3742
3743
3744         lcfg = malloc(lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
3745         if (lcfg == NULL)
3746                 return -ENOMEM;
3747         lustre_cfg_init(lcfg, cmd, &bufs);
3748
3749         memset(&data, 0, sizeof(data));
3750         rc = data.ioc_dev = get_mgs_device();
3751         if (rc < 0)
3752                 goto out;
3753
3754         data.ioc_type = LUSTRE_CFG_TYPE;
3755         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3756                                         lcfg->lcfg_buflens);
3757         data.ioc_pbuf1 = (void *)lcfg;
3758
3759         memset(buf, 0, sizeof(rawbuf));
3760         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
3761         if (rc) {
3762                 fprintf(stderr, "error: %s: invalid ioctl\n",
3763                         jt_cmdname(cmdname));
3764                 free(lcfg);
3765                 return rc;
3766         }
3767         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_POOL, buf);
3768 out:
3769         if (rc)
3770                 rc = -errno;
3771         switch (rc) {
3772         case -ENAMETOOLONG:
3773                 fprintf(stderr, "error: %s: either the pool or file "
3774                         "system name is too long (max pool name len "
3775                         "is %d and file system name is %d)\n",
3776                         jt_cmdname(cmdname), LOV_MAXPOOLNAME,
3777                         LUSTRE_MAXFSNAME);
3778                 break;
3779         case -EINVAL:
3780                 fprintf(stderr, "error: %s can contain only "
3781                         "alphanumeric characters, underscores, and "
3782                         "dashes besides the required '.'\n",
3783                         jt_cmdname(cmdname));
3784         default:
3785                 break;
3786         }
3787         free(lcfg);
3788         return rc;
3789 }
3790
3791 /**
3792  * Format and send the ioctl to the MGS.
3793  *
3794  * \param       cmd             IOCTL to send
3795  * \param       ret_data        void pointer to return anything from
3796  *                              ioctl
3797  * \param       num_args        number of arguments to pack into the
3798  *                              ioctl buffer
3799  * \param       argv[]          variable number of string arguments
3800  *
3801  * \retval                      0 on success
3802  */
3803 static int nodemap_cmd(enum lcfg_command_type cmd, void *ret_data,
3804                        unsigned int ret_size, ...)
3805 {
3806         va_list                 ap;
3807         char                    *arg;
3808         int                     i = 0;
3809         struct lustre_cfg_bufs  bufs;
3810         struct obd_ioctl_data   data;
3811         struct lustre_cfg       *lcfg;
3812         char                    rawbuf[MAX_IOC_BUFLEN];
3813         char                    *buf = rawbuf;
3814         int                     rc = 0;
3815
3816         lustre_cfg_bufs_reset(&bufs, NULL);
3817
3818         va_start(ap, ret_size);
3819         arg = va_arg(ap, char *);
3820         while (arg != NULL) {
3821                 lustre_cfg_bufs_set_string(&bufs, i, arg);
3822                 i++;
3823                 arg = va_arg(ap, char *);
3824         }
3825         va_end(ap);
3826
3827         lcfg = malloc(lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
3828         if (lcfg == NULL)
3829                 return -ENOMEM;
3830         lustre_cfg_init(lcfg, cmd, &bufs);
3831
3832         memset(&data, 0, sizeof(data));
3833         rc = data.ioc_dev = get_mgs_device();
3834         if (rc < 0)
3835                 goto out;
3836
3837         data.ioc_type = LUSTRE_CFG_TYPE;
3838         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3839                          lcfg->lcfg_buflens);
3840         data.ioc_pbuf1 = (void *)lcfg;
3841
3842         memset(buf, 0, sizeof(rawbuf));
3843         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
3844         if (rc != 0) {
3845                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3846                                "rc=%d\n", cmd, errno, rc);
3847                 goto out;
3848         }
3849
3850         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_NODEMAP, buf);
3851         if (rc != 0) {
3852                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3853                                "rc=%d\n", cmd, errno, rc);
3854                 goto out;
3855         }
3856
3857         if (ret_data != NULL) {
3858                 rc = llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
3859                 if (rc != 0)
3860                         goto out;
3861
3862                 if (ret_size > data.ioc_plen1)
3863                         ret_size = data.ioc_plen1;
3864
3865                 memcpy(ret_data, data.ioc_pbuf1, ret_size);
3866         }
3867 out:
3868         free(lcfg);
3869
3870         return rc;
3871 }
3872
3873 /**
3874  * activate nodemap functions
3875  *
3876  * \param       argc            number of args
3877  * \param       argv[]          variable string arguments
3878  *
3879  * argv[0]                      1 for activate or 0 for deactivate
3880  *
3881  * \retval                      0 on success
3882  */
3883 int jt_nodemap_activate(int argc, char **argv)
3884 {
3885         int rc;
3886
3887         rc = nodemap_cmd(LCFG_NODEMAP_ACTIVATE, NULL, 0, argv[0], argv[1],
3888                          NULL);
3889
3890         if (rc != 0) {
3891                 errno = -rc;
3892                 perror(argv[0]);
3893         }
3894
3895         return rc;
3896 }
3897
3898 /**
3899  * add a nodemap
3900  *
3901  * \param       argc            number of args
3902  * \param       argv[]          variable string arguments
3903  *
3904  * argv[0]                      nodemap name
3905  *
3906  * \retval                      0 on success
3907  */
3908 int jt_nodemap_add(int argc, char **argv)
3909 {
3910         int rc;
3911
3912         rc = llapi_nodemap_exists(argv[1]);
3913         if (rc == 0) {
3914                 fprintf(stderr, "error: %s existing nodemap name\n", argv[1]);
3915                 return 1;
3916         }
3917
3918         rc = nodemap_cmd(LCFG_NODEMAP_ADD, NULL, 0, argv[0], argv[1], NULL);
3919
3920         if (rc != 0) {
3921                 errno = -rc;
3922                 perror(argv[0]);
3923         }
3924
3925         return rc;
3926 }
3927
3928 /**
3929  * delete a nodemap
3930  *
3931  * \param       argc            number of args
3932  * \param       argv[]          variable string arguments
3933  *
3934  * argv[0]                      nodemap name
3935  *
3936  * \retval                      0 on success
3937  */
3938 int jt_nodemap_del(int argc, char **argv)
3939 {
3940         int rc;
3941
3942         rc = llapi_nodemap_exists(argv[1]);
3943         if (rc != 0) {
3944                 fprintf(stderr, "error: %s not existing nodemap name\n",
3945                         argv[1]);
3946                 return rc;
3947         }
3948         rc = nodemap_cmd(LCFG_NODEMAP_DEL, NULL, 0, argv[0], argv[1], NULL);
3949
3950         if (rc != 0) {
3951                 errno = -rc;
3952                 perror(argv[0]);
3953         }
3954
3955         return rc;
3956 }
3957
3958 /**
3959  * test a nid for nodemap membership
3960  *
3961  * \param       argc            number of args
3962  * \param       argv[]          variable string arguments
3963  *
3964  * argv[0]                      properly formatted nid
3965  *
3966  * \retval                      0 on success
3967  */
3968 int jt_nodemap_test_nid(int argc, char **argv)
3969 {
3970
3971         char    rawbuf[MAX_IOC_BUFLEN];
3972         int     rc;
3973
3974         rc = nodemap_cmd(LCFG_NODEMAP_TEST_NID, &rawbuf, sizeof(rawbuf),
3975                          argv[0], argv[1], NULL);
3976         if (rc == 0)
3977                 printf("%s\n", (char *)rawbuf);
3978
3979         return rc;
3980 }
3981
3982 /**
3983  * test a nodemap id pair for mapping
3984  *
3985  * \param       argc            number of args
3986  * \param       argv[[]         variable string arguments
3987  *
3988  * \retval                      0 on success
3989  *
3990  * The argv array should contain the nodemap name, the id
3991  * to checking the mapping on, and the id type (UID or GID)
3992  *
3993  */
3994 int jt_nodemap_test_id(int argc, char **argv)
3995 {
3996         char    rawbuf[MAX_IOC_BUFLEN];
3997         char    *nidstr = NULL;
3998         char    *idstr = NULL;
3999         char    *typestr = NULL;
4000         int     rc = 0;
4001         int     c;
4002
4003         static struct option long_opts[] = {
4004                 { .val = 'i',   .name = "id",   .has_arg = required_argument },
4005                 { .val = 'n',   .name = "nid",  .has_arg = required_argument },
4006                 { .val = 't',   .name = "idtype",
4007                                                 .has_arg = required_argument },
4008                 { .name = NULL } };
4009
4010         while ((c = getopt_long(argc, argv, "n:t:i:",
4011                                 long_opts, NULL)) != -1) {
4012                 switch (c) {
4013                 case 'n':
4014                         nidstr = optarg;
4015                         break;
4016                 case 't':
4017                         typestr = optarg;
4018                         break;
4019                 case 'i':
4020                         idstr = optarg;
4021                         break;
4022                 }
4023         }
4024
4025         if (nidstr == NULL || typestr == NULL || idstr == NULL) {
4026                 fprintf(stderr, "usage: nodemap_test_id --nid <nid> "
4027                                 "--idtype [uid|gid] --id <id>\n");
4028                 return -1;
4029         }
4030
4031         rc = nodemap_cmd(LCFG_NODEMAP_TEST_ID, &rawbuf, sizeof(rawbuf),
4032                          argv[0], nidstr, typestr, idstr);
4033         if (rc == 0)
4034                 printf("%s\n", (char *)rawbuf);
4035
4036         return rc;
4037 }
4038
4039 /**
4040  * parse nid range
4041  *
4042  * \param       nodemap_range   --range string
4043  * \param       nid_range       nid range string, min_nid:max_nid
4044  *
4045  * \retval                      0 on success
4046  */
4047 static int parse_nid_range(char *nodemap_range, char *nid_range, int range_len)
4048 {
4049         char                    min_nid[LNET_NIDSTR_SIZE + 1];
4050         char                    max_nid[LNET_NIDSTR_SIZE + 1];
4051         struct list_head        nidlist;
4052         int                     rc = 0;
4053
4054         INIT_LIST_HEAD(&nidlist);
4055
4056         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
4057                               &nidlist) <= 0) {
4058                 fprintf(stderr,
4059                         "error: nodemap_xxx_range: can't parse nid range: %s\n",
4060                         nodemap_range);
4061                 return -1;
4062         }
4063
4064         rc = cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
4065                                        LNET_NIDSTR_SIZE);
4066         if (rc < 0) {
4067                 if (rc == -EINVAL)
4068                         fprintf(stderr,
4069                                 "error: nodemap_xxx_range: nid range uses "
4070                                 "currently unsupported features\n");
4071                 else if (rc == -ERANGE)
4072                         fprintf(stderr,
4073                                 "error: nodemap_xxx_range: nodemap ranges must "
4074                                 "be contiguous\n");
4075
4076                 return rc;
4077         }
4078
4079         snprintf(nid_range, range_len, "%s:%s", min_nid, max_nid);
4080
4081         return rc;
4082 }
4083
4084 /**
4085  * add an nid range to a nodemap
4086  *
4087  * \param       argc            number of args
4088  * \param       argv[]          variable string arguments
4089  *
4090  * --name                       nodemap name
4091  * --range                      properly formatted nid range
4092  *
4093  * \retval                      0 on success
4094  */
4095 int jt_nodemap_add_range(int argc, char **argv)
4096 {
4097         char                    *nodemap_name = NULL;
4098         char                    *nodemap_range = NULL;
4099         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
4100         int                     rc = 0;
4101         int                     c;
4102
4103         static struct option long_opts[] = {
4104         { .val = 'n',   .name = "name",         .has_arg = required_argument },
4105         { .val = 'r',   .name = "range",        .has_arg = required_argument },
4106         { .name = NULL } };
4107
4108         while ((c = getopt_long(argc, argv, "n:r:",
4109                                 long_opts, NULL)) != -1) {
4110                 switch (c) {
4111                 case 'n':
4112                         nodemap_name = optarg;
4113                         break;
4114                 case 'r':
4115                         nodemap_range = optarg;
4116                         break;
4117                 }
4118         }
4119
4120         if (nodemap_name == NULL || nodemap_range == NULL) {
4121                 fprintf(stderr, "usage: nodemap_add_range --name <name> "
4122                                 "--range <range>\n");
4123                 return -1;
4124         }
4125
4126         rc = parse_nid_range(nodemap_range, nid_range, sizeof(nid_range));
4127         if (rc) {
4128                 errno = -rc;
4129                 return rc;
4130         }
4131         rc = nodemap_cmd(LCFG_NODEMAP_ADD_RANGE, NULL, 0, argv[0],
4132                          nodemap_name, nid_range, NULL);
4133         if (rc != 0) {
4134                 errno = -rc;
4135                 fprintf(stderr, "error: %s: cannot add range '%s' to nodemap "
4136                                 "'%s': rc = %d\n",
4137                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
4138         }
4139
4140         return rc;
4141 }
4142
4143 /**
4144  * delete an nid range to a nodemap
4145  *
4146  * \param       argc            number of args
4147  * \param       argv[]          variable string arguments
4148  *
4149  * --name                       nodemap name
4150  * --range                      properly formatted nid range
4151  *
4152  * \retval                      0 on success
4153  */
4154 int jt_nodemap_del_range(int argc, char **argv)
4155 {
4156         char                    *nodemap_name = NULL;
4157         char                    *nodemap_range = NULL;
4158         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
4159         int                     rc = 0;
4160         int                     c;
4161
4162         static struct option long_opts[] = {
4163         { .val = 'n',   .name = "name",         .has_arg = required_argument },
4164         { .val = 'r',   .name = "range",        .has_arg = required_argument },
4165         { .name = NULL } };
4166
4167         while ((c = getopt_long(argc, argv, "n:r:",
4168                                 long_opts, NULL)) != -1) {
4169                 switch (c) {
4170                 case 'n':
4171                         nodemap_name = optarg;
4172                         break;
4173                 case 'r':
4174                         nodemap_range = optarg;
4175                         break;
4176                 }
4177         }
4178
4179         if (nodemap_name == NULL || nodemap_range == NULL) {
4180                 fprintf(stderr, "usage: nodemap_del_range --name <name> "
4181                                 "--range <range>\n");
4182                 return -1;
4183         }
4184
4185         rc = parse_nid_range(nodemap_range, nid_range, sizeof(nid_range));
4186         if (rc) {
4187                 errno = -rc;
4188                 return rc;
4189         }
4190         rc = nodemap_cmd(LCFG_NODEMAP_DEL_RANGE, NULL, 0, argv[0],
4191                          nodemap_name, nid_range, NULL);
4192         if (rc != 0) {
4193                 errno = -rc;
4194                 fprintf(stderr, "error: %s: cannot delete range '%s' to "
4195                                "nodemap '%s': rc = %d\n",
4196                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
4197         }
4198
4199         return rc;
4200 }
4201
4202 /**
4203  * set a fileset on a nodemap
4204  *
4205  * \param       argc            number of args
4206  * \param       argv[]          variable string arguments
4207  *
4208  * --name                       nodemap name
4209  * --fileset                    fileset name
4210  *
4211  * \retval                      0 on success
4212  */
4213 int jt_nodemap_set_fileset(int argc, char **argv)
4214 {
4215         char *nodemap_name = NULL;
4216         char *fileset_name = NULL;
4217         int   rc = 0;
4218         int   c;
4219
4220         static struct option long_opts[] = {
4221         { .val = 'f',   .name = "fileset",      .has_arg = required_argument },
4222         { .val = 'n',   .name = "name",         .has_arg = required_argument },
4223         { .name = NULL } };
4224
4225         while ((c = getopt_long(argc, argv, "n:f:",
4226                                 long_opts, NULL)) != -1) {
4227                 switch (c) {
4228                 case 'n':
4229                         nodemap_name = optarg;
4230                         break;
4231                 case 'f':
4232                         fileset_name = optarg;
4233                         break;
4234                 }
4235         }
4236
4237         if (nodemap_name == NULL || fileset_name == NULL) {
4238                 fprintf(stderr, "usage: nodemap_set_fileset --name <name> "
4239                                 "--fileset <fileset>\n");
4240                 return -1;
4241         }
4242
4243         rc = nodemap_cmd(LCFG_NODEMAP_SET_FILESET, NULL, 0, argv[0],
4244                          nodemap_name, fileset_name, NULL);
4245         if (rc != 0) {
4246                 errno = -rc;
4247                 fprintf(stderr, "error: %s: cannot set fileset '%s' on nodemap "
4248                                 "'%s': rc = %d\n",
4249                         jt_cmdname(argv[0]), fileset_name, nodemap_name, rc);
4250         }
4251
4252         return rc;
4253 }
4254
4255 /**
4256  * set SELinux policy info on a nodemap
4257  *
4258  * \param       argc            number of args
4259  * \param       argv[]          variable string arguments
4260  *
4261  * --name                       nodemap name
4262  * --sepol                      SELinux policy info
4263  *
4264  * \retval                      0 on success
4265  */
4266 int jt_nodemap_set_sepol(int argc, char **argv)
4267 {
4268         char *nodemap_name = NULL;
4269         char *sepol = NULL;
4270         int   rc = 0;
4271         int   c;
4272
4273         static struct option long_options[] = {
4274                 {
4275                         .name           = "name",
4276                         .has_arg        = required_argument,
4277                         .val            = 'n',
4278                 },
4279                 {
4280                         .name           = "sepol",
4281                         .has_arg        = required_argument,
4282                         .val            = 's',
4283                 },
4284                 {
4285                         .name = NULL,
4286                 }
4287         };
4288
4289         while ((c = getopt_long(argc, argv, "n:s:",
4290                                 long_options, NULL)) != -1) {
4291                 switch (c) {
4292                 case 'n':
4293                         nodemap_name = optarg;
4294                         break;
4295                 case 's':
4296                         sepol = optarg;
4297                         break;
4298                 }
4299         }
4300
4301         if (nodemap_name == NULL || sepol == NULL) {
4302                 fprintf(stderr, "usage: nodemap_set_sepol --name <name> "
4303                                 "--sepol <sepol>\n");
4304                 return -1;
4305         }
4306
4307         rc = nodemap_cmd(LCFG_NODEMAP_SET_SEPOL, NULL, 0, argv[0],
4308                          nodemap_name, sepol, NULL);
4309         if (rc != 0) {
4310                 errno = -rc;
4311                 fprintf(stderr, "error: %s: cannot set sepol '%s' on nodemap "
4312                                 "'%s': rc = %d\n",
4313                         jt_cmdname(argv[0]), sepol, nodemap_name, rc);
4314         }
4315
4316         return rc;
4317 }
4318
4319 /**
4320  * modify a nodemap's behavior
4321  *
4322  * \param       argc            number of args
4323  * \param       argv[]          variable string arguments
4324  *
4325  * --name                       nodemap name
4326  * --property                   nodemap property to change
4327  *                              admin, trusted, squash_uid, squash_gid)
4328  * --value                      value to set property
4329  *
4330  * \retval                      0 on success
4331  */
4332 int jt_nodemap_modify(int argc, char **argv)
4333 {
4334         int                     c;
4335         int                     rc = 0;
4336         enum lcfg_command_type  cmd = 0;
4337         char                    *nodemap_name = NULL;
4338         char                    *param = NULL;
4339         char                    *value = NULL;
4340
4341         static struct option long_opts[] = {
4342         { .val = 'n',   .name = "name",         .has_arg = required_argument },
4343         { .val = 'p',   .name = "property",     .has_arg = required_argument },
4344         { .val = 'v',   .name = "value",        .has_arg = required_argument },
4345         { .name = NULL } };
4346
4347         while ((c = getopt_long(argc, argv, "n:p:v:",
4348                                 long_opts, NULL)) != -1) {
4349                 switch (c) {
4350                 case 'n':
4351                         nodemap_name = optarg;
4352                         break;
4353                 case 'p':
4354                         param = optarg;
4355                         break;
4356                 case 'v':
4357                         value = optarg;
4358                         break;
4359                 }
4360         }
4361
4362         if (nodemap_name == NULL || param == NULL || value == NULL) {
4363                 fprintf(stderr, "usage: nodemap_modify --name <nodemap_name> "
4364                                 "--property <property_name> --value <value>\n");
4365                 fprintf(stderr, "valid properties: admin trusted map_mode "
4366                                 "squash_uid squash_gid deny_unknown audit_mode\n");
4367                 return -1;
4368         }
4369
4370         if (strcmp("admin", param) == 0) {
4371                 cmd = LCFG_NODEMAP_ADMIN;
4372         } else if (strcmp("trusted", param) == 0) {
4373                 cmd = LCFG_NODEMAP_TRUSTED;
4374         } else if (strcmp("deny_unknown", param) == 0) {
4375                 cmd = LCFG_NODEMAP_DENY_UNKNOWN;
4376         } else if (strcmp("squash_uid", param) == 0) {
4377                 cmd = LCFG_NODEMAP_SQUASH_UID;
4378         } else if (strcmp("squash_gid", param) == 0) {
4379                 cmd = LCFG_NODEMAP_SQUASH_GID;
4380         } else if (strcmp("map_mode", param) == 0) {
4381                 cmd = LCFG_NODEMAP_MAP_MODE;
4382         } else if (strcmp("audit_mode", param) == 0) {
4383                 cmd = LCFG_NODEMAP_AUDIT_MODE;
4384         } else {
4385                 fprintf(stderr, "error: %s: nodemap_modify invalid "
4386                                 "subcommand: %s\n",
4387                         jt_cmdname(argv[0]), param);
4388                 return -1;
4389         }
4390
4391         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, param,
4392                          value, NULL);
4393         if (rc != 0) {
4394                 errno = -rc;
4395                 fprintf(stderr, "error: %s: cannot modify nodemap '%s' "
4396                                "to param '%s': value '%s': rc = %d\n",
4397                         jt_cmdname(argv[0]), nodemap_name, param, value, rc);
4398         }
4399
4400         return rc;
4401 }
4402
4403 int jt_nodemap_add_idmap(int argc, char **argv)
4404 {
4405         int                     c;
4406         enum                    lcfg_command_type cmd = 0;
4407         char                    *nodemap_name = NULL;
4408         char                    *idmap = NULL;
4409         char                    *idtype = NULL;
4410         int                     rc = 0;
4411
4412         static struct option long_opts[] = {
4413         { .val = 'i',   .name = "idtype",       .has_arg = required_argument },
4414         { .val = 'm',   .name = "idmap",        .has_arg = required_argument },
4415         { .val = 'n',   .name = "name",         .has_arg = required_argument },
4416         { .name = NULL } };
4417
4418         while ((c = getopt_long(argc, argv, "n:m:i:",
4419                                 long_opts, NULL)) != -1) {
4420                 switch (c) {
4421                 case 'n':
4422                         nodemap_name = optarg;
4423                         break;
4424                 case 'm':
4425                         idmap = optarg;
4426                         break;
4427                 case 'i':
4428                         idtype = optarg;
4429                         break;
4430                 }
4431         }
4432
4433         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
4434                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
4435                         " --idmap <client id>:<filesystem id>\n", argv[0]);
4436                 return -1;
4437         }
4438
4439         if (strcmp("uid", idtype) == 0) {
4440                 cmd = LCFG_NODEMAP_ADD_UIDMAP;
4441         } else if (strcmp("gid", idtype) == 0) {
4442                 cmd = LCFG_NODEMAP_ADD_GIDMAP;
4443         } else {
4444                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
4445                         " --idmap <client id>:<filesystem id>\n", argv[0]);
4446                 return -1;
4447         }
4448
4449         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
4450         if (rc != 0) {
4451                 errno = -rc;
4452                 fprintf(stderr, "cannot add %smap '%s' to nodemap '%s'"
4453                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
4454         }
4455
4456         return rc;
4457 }
4458
4459 int jt_nodemap_del_idmap(int argc, char **argv)
4460 {
4461         int                     c;
4462         enum                    lcfg_command_type cmd = 0;
4463         char                    *nodemap_name = NULL;
4464         char                    *idmap = NULL;
4465         char                    *idtype = NULL;
4466         int                     rc = 0;
4467
4468         static struct option long_opts[] = {
4469         { .val = 'i',   .name = "idtype",       .has_arg = required_argument },
4470         { .val = 'm',   .name = "idmap",        .has_arg = required_argument },
4471         { .val = 'n',   .name = "name",         .has_arg = required_argument },
4472         { .name = NULL } };
4473
4474         while ((c = getopt_long(argc, argv, "n:m:i:",
4475                                 long_opts, NULL)) != -1) {
4476                 switch (c) {
4477                 case 'n':
4478                         nodemap_name = optarg;
4479                         break;
4480                 case 'm':
4481                         idmap = optarg;
4482                         break;
4483                 case 'i':
4484                         idtype = optarg;
4485                         break;
4486                 }
4487         }
4488
4489         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
4490                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
4491                         " --idmap <client id>:<filesystem id>\n", argv[0]);
4492                 return -1;
4493         }
4494
4495         if (strcmp("uid", idtype) == 0)
4496                 cmd = LCFG_NODEMAP_DEL_UIDMAP;
4497         else
4498                 cmd = LCFG_NODEMAP_DEL_GIDMAP;
4499
4500         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
4501         if (rc != 0) {
4502                 errno = -rc;
4503                 fprintf(stderr, "cannot delete %smap '%s' from nodemap '%s'"
4504                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
4505         }
4506
4507         return rc;
4508 }
4509
4510 /*
4511  * this function tranforms a rule [start-end/step] into an array
4512  * of matching numbers
4513  * supported forms are:
4514  * [start]                : just this number
4515  * [start-end]            : all numbers from start to end
4516  * [start-end/step]       : numbers from start to end with increment of step
4517  * on return, format contains a printf format string which can be used
4518  * to generate all the strings
4519  */
4520 static int get_array_idx(char *rule, char *format, int **array)
4521 {
4522         char *start, *end, *ptr;
4523         unsigned int lo, hi, step;
4524         int array_sz = 0;
4525         int i, array_idx;
4526         int rc;
4527
4528         start = strchr(rule, '[');
4529         end = strchr(rule, ']');
4530         if ((start == NULL) || (end == NULL)) {
4531                 *array = malloc(sizeof(int));
4532                 if (*array == NULL)
4533                         return 0;
4534                 strcpy(format, rule);
4535                 array_sz = 1;
4536                 return array_sz;
4537         }
4538         *start = '\0';
4539         *end = '\0';
4540         end++;
4541         start++;
4542         /* put in format the printf format (the rule without the range) */
4543         sprintf(format, "%s%%.4x%s", rule, end);
4544
4545         array_idx = 0;
4546         array_sz = 0;
4547         *array = NULL;
4548         /* loop on , separator */
4549         do {
4550                 /* extract the 3 fields */
4551                 rc = sscanf(start, "%x-%x/%u", &lo, &hi, &step);
4552                 switch (rc) {
4553                 case 0:
4554                         goto err;
4555                 case 1: {
4556                         void *tmp;
4557
4558                         array_sz++;
4559                         tmp = realloc(*array, array_sz * sizeof(int));
4560                         if (tmp == NULL)
4561                                 goto err;
4562                         *array = tmp;
4563                         (*array)[array_idx] = lo;
4564                         array_idx++;
4565                         break;
4566                 }
4567                 case 2: {
4568                         step = 1;
4569                         /* do not break to share code with case 3: */
4570                 }
4571                 case 3: {
4572                         void *tmp;
4573
4574                         if ((hi < lo) || (step == 0))
4575                                 goto err;
4576                         array_sz += (hi - lo) / step + 1;
4577                         tmp = realloc(*array, array_sz * sizeof(int));
4578                         if (tmp == NULL)
4579                                 goto err;
4580                         *array = tmp;
4581                         for (i = lo; i <= hi; i+=step, array_idx++)
4582                                 (*array)[array_idx] = i;
4583                         break;
4584                 }
4585                 }
4586                 ptr = strchr(start, ',');
4587                 if (ptr != NULL)
4588                         start = ptr + 1;
4589
4590         } while (ptr != NULL);
4591         return array_sz;
4592 err:
4593         if (*array != NULL) {
4594                 free(*array);
4595                 *array = NULL;
4596         }
4597         return 0;
4598 }
4599
4600 struct llog_pool_name {
4601         char lpn_name[UUID_MAX];
4602         struct list_head lpn_list;
4603 };
4604
4605 struct llog_pool_list_data {
4606         char lpld_fsname[LUSTRE_MAXFSNAME + 1];
4607         char lpld_poolname[LOV_MAXPOOLNAME + 1];
4608         bool lpld_exists;
4609         struct list_head lpld_list_head;
4610 };
4611
4612 /**
4613  * Callback to list pool information in llog
4614  * - { index: 74, event: new_pool, device: tfs-clilov, fsname: tfs, pool: tmp }
4615  * - { index: 77, event: add_pool, device: tfs-clilov, fsname: tfs, pool: tmp,
4616  *     ost: tfs-OST0000_UUID }
4617  * - { index: 224, event: remove_pool, device: tfs-clilov, fsname: tfs,
4618  *     pool: tmp, ost: tfs-OST0003_UUID }
4619  * - { index: 227, event: del_pool, device: tfs-clilov, fsname: tfs, pool: tmp }
4620  *
4621  * \param record[in]    pointer to llog record
4622  * \param data[in]      pointer to struct llog_pool_list_data
4623  *
4624  * \retval              0 on success
4625  *                      <0 on error
4626  */
4627 static int llog_poollist_cb(const char *record, void *data)
4628 {
4629         struct llog_pool_list_data *lpld = data;
4630         char pool_filter[MAX_STRING_SIZE] = "";
4631         char *new_record, *del_record, *del_pool, *found;
4632         char type[10] = "";
4633         int filter_len, rc = 0;
4634
4635         filter_len = snprintf(pool_filter, sizeof(pool_filter), " fsname: %s,",
4636                               lpld->lpld_fsname);
4637         if (lpld->lpld_poolname[0] == '\0') {
4638                 new_record = get_event_filter(LCFG_POOL_NEW);
4639                 del_record = get_event_filter(LCFG_POOL_DEL);
4640                 strncpy(type, " pool: ", sizeof(type));
4641         } else {
4642                 filter_len += snprintf(pool_filter + filter_len,
4643                                        sizeof(pool_filter) - filter_len,
4644                                        " pool: %s", lpld->lpld_poolname);
4645                 new_record = get_event_filter(LCFG_POOL_ADD);
4646                 del_record = get_event_filter(LCFG_POOL_REM);
4647                 strncpy(type, " ost: ", sizeof(type));
4648         }
4649         del_pool = get_event_filter(LCFG_POOL_DEL);
4650
4651         if (!new_record || !del_record || !del_pool) {
4652                 rc = -ENOMEM;
4653                 goto out;
4654         }
4655
4656         found = strstr(record, pool_filter);
4657         if (found &&
4658             (found[filter_len] == ' ' || found[filter_len] == ',')) {
4659                 struct llog_pool_name *tmp = NULL;
4660                 struct list_head *head = &lpld->lpld_list_head;
4661                 char *name;
4662                 int name_len, type_len = strlen(type);
4663
4664                 lpld->lpld_exists = true;
4665                 if (strstr(record, new_record)) {
4666                         name = strstr(record, type);
4667                         /* 2 bytes for " }" */
4668                         name_len = strlen(name) - type_len - 2;
4669                         if (name_len <= 0 || name_len > sizeof(tmp->lpn_name))
4670                                 return -EINVAL;
4671                         tmp = malloc(sizeof(struct llog_pool_name));
4672                         if (tmp == NULL) {
4673                                 rc = -ENOMEM;
4674                                 goto out;
4675                         }
4676                         memset(tmp, 0, sizeof(struct llog_pool_name));
4677                         strncpy(tmp->lpn_name, name + type_len, name_len);
4678                         list_add_tail(&tmp->lpn_list, &lpld->lpld_list_head);
4679                 } else if (strstr(record, del_record)) {
4680                         name = strstr(record, type);
4681                         name_len = strlen(name) - type_len - 2;
4682                         list_for_each_entry(tmp, head, lpn_list) {
4683                                 if (strncmp(tmp->lpn_name, name + type_len,
4684                                             name_len) == 0 &&
4685                                             tmp->lpn_name[name_len] == '\0') {
4686                                         list_del(&tmp->lpn_list);
4687                                         free(tmp);
4688                                         break;
4689                                 }
4690                         }
4691                 }
4692                 /* verify if the specified pool still exists */
4693                 if (lpld->lpld_poolname[0] && strstr(record, del_pool))
4694                         lpld->lpld_exists = false;
4695         }
4696 out:
4697         if (new_record)
4698                 free(new_record);
4699         if (del_record)
4700                 free(del_record);
4701         if (del_pool)
4702                 free(del_pool);
4703
4704         return rc;
4705 }
4706
4707 /**
4708  * List pool information by config log
4709  *
4710  * \param fsname[in]    pointer to filesystem name
4711  * \param poolname[in]  pointer to pool name
4712  *
4713  * \retval              0 on success
4714  *                      < 0 on error
4715  */
4716 int llog_poollist(char *fsname, char *poolname)
4717 {
4718         char logname[MAX_OBD_NAME] = {'\0'};
4719         struct llog_pool_list_data lpld;
4720         struct llog_pool_name *tmp;
4721         struct list_head *head;
4722         int rc = 0;
4723
4724         if (fsname && fsname[0] == '\0')
4725                 fsname = NULL;
4726         if (!fsname)
4727                 return -EINVAL;
4728
4729         memset(&lpld, 0, sizeof(lpld));
4730         INIT_LIST_HEAD(&lpld.lpld_list_head);
4731         lpld.lpld_exists = false;
4732         strncpy(lpld.lpld_fsname, fsname, sizeof(lpld.lpld_fsname) - 1);
4733         if (poolname && poolname[0])
4734                 strncpy(lpld.lpld_poolname, poolname,
4735                         sizeof(lpld.lpld_poolname) - 1);
4736         snprintf(logname, sizeof(logname), "%s-client", fsname);
4737         rc = jt_llog_print_iter(logname, 0, -1, llog_poollist_cb, &lpld, false);
4738
4739         if (poolname && poolname[0])
4740                 printf("Pool: %s.%s\n", fsname, poolname);
4741         else
4742                 printf("Pools from %s:\n", fsname);
4743
4744         head = &lpld.lpld_list_head;
4745         if (poolname && poolname[0] && !lpld.lpld_exists && list_empty(head))
4746                 return -ENOENT;
4747
4748         list_for_each_entry(tmp, head, lpn_list) {
4749                 if (poolname && poolname[0])
4750                         printf("%s\n", tmp->lpn_name);
4751                 else
4752                         printf("%s.%s\n", fsname, tmp->lpn_name);
4753                 list_del(&tmp->lpn_list);
4754                 free(tmp);
4755         }
4756
4757         return rc;
4758 }
4759
4760 static bool get_pools_path(char *fsname)
4761 {
4762         glob_t path;
4763         int rc;
4764
4765         rc = cfs_get_param_paths(&path, "lov/%s-*/pools", fsname);
4766         if (!rc)
4767                 cfs_free_param_data(&path);
4768
4769         return (rc == 0);
4770 }
4771
4772 static int extract_fsname_poolname(char **argv, char *fsname,
4773                                    char *poolname)
4774 {
4775         char *cmd = argv[0], *param = argv[1];
4776         char *ptr;
4777         int rc;
4778
4779         snprintf(fsname, PATH_MAX + 1, "%s", param);
4780         ptr = strchr(fsname, '.');
4781         if (ptr == NULL) {
4782                 if (strcmp(cmd, "pool_list") == 0) {
4783                         poolname = NULL;
4784                         goto out;
4785                 }
4786                 fprintf(stderr, ". is missing in %s\n", fsname);
4787                 rc = -EINVAL;
4788                 goto err;
4789         }
4790
4791         if ((ptr - fsname) == 0) {
4792                 fprintf(stderr, "fsname is empty\n");
4793                 rc = -EINVAL;
4794                 goto err;
4795         }
4796
4797         *ptr = '\0';
4798         ++ptr;
4799
4800         if (strlen(ptr) == 0) {
4801                 fprintf(stderr, "poolname is empty\n");
4802                 rc = -EINVAL;
4803                 goto err;
4804         }
4805
4806         strncpy(poolname, ptr, LOV_MAXPOOLNAME);
4807         poolname[LOV_MAXPOOLNAME] = '\0';
4808
4809         if (strncmp(poolname, "none", LOV_MAXPOOLNAME) == 0) {
4810                 fprintf(stderr, "poolname cannot be 'none'\n");
4811                 return -EINVAL;
4812         }
4813 out:
4814         return 0;
4815
4816 err:
4817         fprintf(stderr, "argument %s must be <fsname>.<poolname>\n", param);
4818         return rc;
4819 }
4820
4821 int jt_pool_cmd(int argc, char **argv)
4822 {
4823         enum lcfg_command_type cmd;
4824         char fsname[PATH_MAX + 1];
4825         char poolname[LOV_MAXPOOLNAME + 1];
4826         char *ostnames_buf = NULL;
4827         int i, rc;
4828         int *array = NULL, array_sz;
4829         struct {
4830                 int     rc;
4831                 char   *ostname;
4832         } *cmds = NULL;
4833
4834         switch (argc) {
4835         case 0:
4836         case 1: return CMD_HELP;
4837         case 2: {
4838                 rc = extract_fsname_poolname(argv, fsname, poolname);
4839                 if (rc)
4840                         break;
4841
4842                 if (strcmp("pool_new", argv[0]) == 0) {
4843                         cmd = LCFG_POOL_NEW;
4844                 } else if (strcmp("pool_destroy", argv[0]) == 0) {
4845                         cmd = LCFG_POOL_DEL;
4846                 } else if (strcmp("pool_list", argv[0]) == 0) {
4847                         if (get_pools_path(fsname))
4848                                 return llapi_poollist(argv[1]);
4849                         if (get_mgs_device() > 0)
4850                                 return llog_poollist(fsname, poolname);
4851                         fprintf(stderr, "Cannot run pool_list command "
4852                                 "since there is no local MGS/MDT or client\n");
4853                         return CMD_HELP;
4854                 } else {
4855                         return CMD_HELP;
4856                 }
4857
4858                 rc = pool_cmd(cmd, argv[0], argv[1], fsname, poolname, NULL);
4859                 if (rc)
4860                         break;
4861
4862                 check_pool_cmd_result(cmd, fsname, poolname, NULL);
4863                 break;
4864         }
4865         default: {
4866                 char format[2 * MAX_OBD_NAME];
4867
4868                 if (strcmp("pool_remove", argv[0]) == 0)
4869                         cmd = LCFG_POOL_REM;
4870                 else if (strcmp("pool_add", argv[0]) == 0)
4871                         cmd = LCFG_POOL_ADD;
4872                 else
4873                         return CMD_HELP;
4874
4875                 rc = extract_fsname_poolname(argv, fsname, poolname);
4876                 if (rc)
4877                         break;
4878
4879                 for (i = 2; i < argc; i++) {
4880                         int j;
4881
4882                         array_sz = get_array_idx(argv[i], format, &array);
4883                         if (array_sz == 0)
4884                                 return CMD_HELP;
4885
4886                         cmds = malloc(array_sz * sizeof(cmds[0]));
4887                         if (cmds != NULL) {
4888                                 ostnames_buf = malloc(array_sz *
4889                                                       (MAX_OBD_NAME + 1));
4890                         } else {
4891                                 free(array);
4892                                 rc = -ENOMEM;
4893                                 goto out;
4894                         }
4895
4896                         for (j = 0; j < array_sz; j++) {
4897                                 char ostname[MAX_OBD_NAME + 1];
4898
4899                                 snprintf(ostname, MAX_OBD_NAME, format,
4900                                          array[j]);
4901                                 ostname[MAX_OBD_NAME] = '\0';
4902
4903                                 rc = check_and_complete_ostname(fsname,ostname);
4904                                 if (rc) {
4905                                         free(array);
4906                                         free(cmds);
4907                                         if (ostnames_buf)
4908                                                 free(ostnames_buf);
4909                                         goto out;
4910                                 }
4911                                 if (ostnames_buf != NULL) {
4912                                         cmds[j].ostname =
4913                                           &ostnames_buf[(MAX_OBD_NAME + 1) * j];
4914                                         strcpy(cmds[j].ostname, ostname);
4915                                 } else {
4916                                         cmds[j].ostname = NULL;
4917                                 }
4918                                 cmds[j].rc = pool_cmd(cmd, argv[0], argv[1],
4919                                                       fsname, poolname,
4920                                                       ostname);
4921                                 /* Return an err if any of the add/dels fail */
4922                                 if (!rc)
4923                                         rc = cmds[j].rc;
4924                         }
4925                         for (j = 0; j < array_sz; j++) {
4926                                 if (!cmds[j].rc) {
4927                                         char ostname[MAX_OBD_NAME + 1];
4928
4929                                         if (!cmds[j].ostname) {
4930                                                 snprintf(ostname, MAX_OBD_NAME,
4931                                                          format, array[j]);
4932                                                 ostname[MAX_OBD_NAME] = '\0';
4933                                                 check_and_complete_ostname(
4934                                                         fsname, ostname);
4935                                         } else {
4936                                                 strcpy(ostname,
4937                                                        cmds[j].ostname);
4938                                         }
4939                                         check_pool_cmd_result(cmd, fsname,
4940                                                               poolname,ostname);
4941                                 }
4942                         }
4943                         if (array_sz > 0)
4944                                 free(array);
4945                         if (cmds)
4946                                 free(cmds);
4947                         if (ostnames_buf != NULL)
4948                                 free(ostnames_buf);
4949                 }
4950                 /* fall through */
4951         }
4952         } /* switch */
4953
4954 out:
4955         if (rc != 0) {
4956                 errno = -rc;
4957                 perror(argv[0]);
4958         }
4959
4960         return rc;
4961 }
4962
4963 #ifdef HAVE_SERVER_SUPPORT
4964 static const char *barrier_status2name(enum barrier_status status)
4965 {
4966         switch (status) {
4967         case BS_INIT:
4968                 return "init";
4969         case BS_FREEZING_P1:
4970                 return "freezing_p1";
4971         case BS_FREEZING_P2:
4972                 return "freezing_p2";
4973         case BS_FROZEN:
4974                 return "frozen";
4975         case BS_THAWING:
4976                 return "thawing";
4977         case BS_THAWED:
4978                 return "thawed";
4979         case BS_FAILED:
4980                 return "failed";
4981         case BS_EXPIRED:
4982                 return "expired";
4983         case BS_RESCAN:
4984                 return "rescan";
4985         default:
4986                 return "unknown";
4987         }
4988 }
4989
4990 int jt_barrier_freeze(int argc, char **argv)
4991 {
4992         struct obd_ioctl_data data;
4993         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4994         struct barrier_ctl bc;
4995         int rc;
4996
4997         if (argc < 2 || argc > 3)
4998                 return CMD_HELP;
4999
5000         memset(&data, 0, sizeof(data));
5001         rc = data.ioc_dev = get_mgs_device();
5002         if (rc < 0)
5003                 return rc;
5004
5005         memset(&bc, 0, sizeof(bc));
5006         bc.bc_version = BARRIER_VERSION_V1;
5007         bc.bc_cmd = BC_FREEZE;
5008         if (argc == 3)
5009                 bc.bc_timeout = atoi(argv[2]);
5010         if (bc.bc_timeout == 0)
5011                 bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
5012
5013         if (strlen(argv[1]) > 8) {
5014                 fprintf(stderr, "%s: fsname name %s is too long. "
5015                         "It should not exceed 8.\n", argv[0], argv[1]);
5016                 return -EINVAL;
5017         }
5018
5019         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
5020         data.ioc_inlbuf1 = (char *)&bc;
5021         data.ioc_inllen1 = sizeof(bc);
5022         memset(buf, 0, sizeof(rawbuf));
5023         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
5024         if (rc) {
5025                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
5026                 return rc;
5027         }
5028
5029         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
5030         if (rc < 0)
5031                 fprintf(stderr, "Fail to freeze barrier for %s: %s\n",
5032                         argv[1], strerror(errno));
5033
5034         return rc;
5035 }
5036
5037 int jt_barrier_thaw(int argc, char **argv)
5038 {
5039         struct obd_ioctl_data data;
5040         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
5041         struct barrier_ctl bc;
5042         int rc;
5043
5044         if (argc != 2)
5045                 return CMD_HELP;
5046
5047         memset(&data, 0, sizeof(data));
5048         rc = data.ioc_dev = get_mgs_device();
5049         if (rc < 0)
5050                 return rc;
5051
5052         memset(&bc, 0, sizeof(bc));
5053         bc.bc_version = BARRIER_VERSION_V1;
5054         bc.bc_cmd = BC_THAW;
5055
5056         if (strlen(argv[1]) > 8) {
5057                 fprintf(stderr, "fsname name %s is too long. "
5058                         "It should not exceed 8.\n", argv[1]);
5059                 return -EINVAL;
5060         }
5061
5062         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
5063         data.ioc_inlbuf1 = (char *)&bc;
5064         data.ioc_inllen1 = sizeof(bc);
5065         memset(buf, 0, sizeof(rawbuf));
5066         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
5067         if (rc) {
5068                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
5069                 return rc;
5070         }
5071
5072         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
5073         if (rc < 0)
5074                 fprintf(stderr, "Fail to thaw barrier for %s: %s\n",
5075                         argv[1], strerror(errno));
5076
5077         return rc;
5078 }
5079
5080 int __jt_barrier_stat(const char *fsname, struct barrier_ctl *bc)
5081 {
5082         struct obd_ioctl_data data;
5083         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
5084         int rc;
5085
5086         memset(&data, 0, sizeof(data));
5087         rc = data.ioc_dev = get_mgs_device();
5088         if (rc < 0)
5089                 return rc;
5090
5091         memset(bc, 0, sizeof(*bc));
5092         bc->bc_version = BARRIER_VERSION_V1;
5093         bc->bc_cmd = BC_STAT;
5094         strncpy(bc->bc_name, fsname, sizeof(bc->bc_name) - 1);
5095         data.ioc_inlbuf1 = (char *)bc;
5096         data.ioc_inllen1 = sizeof(*bc);
5097         memset(buf, 0, sizeof(rawbuf));
5098         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
5099         if (rc) {
5100                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
5101                 return rc;
5102         }
5103
5104         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
5105         if (rc < 0)
5106                 fprintf(stderr, "Fail to query barrier for %s: %s\n",
5107                         fsname, strerror(errno));
5108         else
5109                 llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
5110
5111         return rc;
5112 }
5113
5114 int jt_barrier_stat(int argc, char **argv)
5115 {
5116         struct barrier_ctl bc;
5117         static struct option long_opt_barrier_stat[] = {
5118                 {
5119                         .val            = 's',
5120                         .name           = "state",
5121                         .has_arg        = no_argument,
5122                 },
5123                 {       .val            = 't',
5124                         .name           = "timeout",
5125                         .has_arg        = no_argument,
5126                 },
5127                 {
5128                         NULL
5129                 }
5130         };
5131         const char *name;
5132         int index;
5133         int opt;
5134         int rc;
5135         bool state = false;
5136         bool timeout = false;
5137
5138         while ((opt = getopt_long(argc, argv, "st", long_opt_barrier_stat,
5139                                   &index)) != EOF) {
5140                 switch (opt) {
5141                 case 's':
5142                         state = true;
5143                         break;
5144                 case 't':
5145                         timeout = true;
5146                         break;
5147                 default:
5148                         return CMD_HELP;
5149                 }
5150         }
5151
5152         if (optind >= argc)
5153                 return CMD_HELP;
5154
5155         name = argv[optind];
5156         if (strlen(name) > 8) {
5157                 fprintf(stderr, "fsname name %s is too long. "
5158                         "It should not exceed 8.\n", name);
5159                 return -EINVAL;
5160         }
5161
5162         rc = __jt_barrier_stat(name, &bc);
5163         if (!rc) {
5164                 if (state && !timeout)
5165                         printf("%s\n", barrier_status2name(bc.bc_status));
5166                 else if (timeout && !state)
5167                         printf("%d\n",
5168                                (bc.bc_status == BS_FREEZING_P1 ||
5169                                 bc.bc_status == BS_FREEZING_P2 ||
5170                                 bc.bc_status == BS_FROZEN) ?
5171                                bc.bc_timeout : 0);
5172                 else
5173                         printf("state: %s\ntimeout: %d seconds\n",
5174                                barrier_status2name(bc.bc_status),
5175                                (bc.bc_status == BS_FREEZING_P1 ||
5176                                 bc.bc_status == BS_FREEZING_P2 ||
5177                                 bc.bc_status == BS_FROZEN) ?
5178                                bc.bc_timeout : 0);
5179         }
5180
5181         return rc;
5182 }
5183
5184 int jt_barrier_rescan(int argc, char **argv)
5185 {
5186         struct obd_ioctl_data data;
5187         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
5188         struct barrier_ctl bc;
5189         int rc;
5190
5191         if (argc < 2 || argc > 3)
5192                 return CMD_HELP;
5193
5194         memset(&data, 0, sizeof(data));
5195         rc = data.ioc_dev = get_mgs_device();
5196         if (rc < 0)
5197                 return rc;
5198
5199         memset(&bc, 0, sizeof(bc));
5200         bc.bc_version = BARRIER_VERSION_V1;
5201         bc.bc_cmd = BC_RESCAN;
5202         if (argc == 3)
5203                 bc.bc_timeout = atoi(argv[2]);
5204         if (bc.bc_timeout == 0)
5205                 bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
5206
5207         if (strlen(argv[1]) > 8) {
5208                 fprintf(stderr, "fsname name %s is too long. "
5209                         "It should not exceed 8.\n", argv[1]);
5210                 return -EINVAL;
5211         }
5212
5213         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
5214         data.ioc_inlbuf1 = (char *)&bc;
5215         data.ioc_inllen1 = sizeof(bc);
5216         memset(buf, 0, sizeof(rawbuf));
5217         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
5218         if (rc) {
5219                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
5220                 return rc;
5221         }
5222
5223         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
5224         if (rc < 0) {
5225                 fprintf(stderr, "Fail to rescan barrier bitmap for %s: %s\n",
5226                         argv[1], strerror(errno));
5227         } else {
5228                 llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
5229                 printf("%u of %u MDT(s) in the filesystem %s are inactive\n",
5230                        bc.bc_absence, bc.bc_total, argv[1]);
5231         }
5232
5233         return rc;
5234 }
5235 #endif /* HAVE_SERVER_SUPPORT */
5236
5237 int jt_get_obj_version(int argc, char **argv)
5238 {
5239         struct lu_fid fid;
5240         struct obd_ioctl_data data;
5241         __u64 version, id = ULLONG_MAX, group = ULLONG_MAX;
5242         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf, *fidstr;
5243         int rc, c;
5244
5245         while ((c = getopt(argc, argv, "i:g:")) != -1) {
5246                 switch (c) {
5247                 case 'i':
5248                         id = strtoull(optarg, NULL, 0);
5249                         break;
5250                 case 'g':
5251                         group = strtoull(optarg, NULL, 0);
5252                         break;
5253                 default:
5254                         return CMD_HELP;
5255                 }
5256         }
5257
5258         argc -= optind;
5259         argv += optind;
5260
5261         if (!(id != ULLONG_MAX && group != ULLONG_MAX && argc == 0) &&
5262             !(id == ULLONG_MAX && group == ULLONG_MAX && argc == 1))
5263                 return CMD_HELP;
5264
5265         memset(&data, 0, sizeof data);
5266         data.ioc_dev = cur_device;
5267         if (argc == 1) {
5268                 fidstr = *argv;
5269                 while (*fidstr == '[')
5270                         fidstr++;
5271                 sscanf(fidstr, SFID, RFID(&fid));
5272
5273                 data.ioc_inlbuf1 = (char *) &fid;
5274                 data.ioc_inllen1 = sizeof fid;
5275         } else {
5276                 data.ioc_inlbuf3 = (char *) &id;
5277                 data.ioc_inllen3 = sizeof id;
5278                 data.ioc_inlbuf4 = (char *) &group;
5279                 data.ioc_inllen4 = sizeof group;
5280         }
5281         data.ioc_inlbuf2 = (char *) &version;
5282         data.ioc_inllen2 = sizeof version;
5283
5284         memset(buf, 0, sizeof *buf);
5285         rc = llapi_ioctl_pack(&data, &buf, sizeof rawbuf);
5286         if (rc) {
5287                 fprintf(stderr, "error: %s: packing ioctl arguments: %s\n",
5288                         jt_cmdname(argv[0]), strerror(-rc));
5289                 return rc;
5290         }
5291
5292         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GET_OBJ_VERSION, buf);
5293         if (rc == -1) {
5294                 fprintf(stderr, "error: %s: ioctl: %s\n",
5295                         jt_cmdname(argv[0]), strerror(errno));
5296                 return -errno;
5297         }
5298
5299         llapi_ioctl_unpack(&data, buf, sizeof rawbuf);
5300         printf("%#jx\n", (uintmax_t)version);
5301         return 0;
5302 }
5303
5304 int jt_changelog_register(int argc, char **argv)
5305 {
5306         struct obd_ioctl_data    data = { 0 };
5307         char                     rawbuf[MAX_IOC_BUFLEN] = "";
5308         char                    *buf = rawbuf;
5309         char                    *device = lcfg_get_devname();
5310         bool                     print_name_only = false;
5311         int                      c;
5312         int                      rc;
5313
5314         if (argc > 2)
5315                 return CMD_HELP;
5316
5317         while ((c = getopt(argc, argv, "hn")) >= 0) {
5318                 switch (c) {
5319                 case 'n':
5320                         print_name_only = true;
5321                         break;
5322                 case 'h':
5323                 default:
5324                         return CMD_HELP;
5325                 }
5326         }
5327
5328         if (cur_device < 0 || device == NULL)
5329                 return CMD_HELP;
5330
5331         data.ioc_dev = cur_device;
5332
5333         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
5334         if (rc < 0) {
5335                 fprintf(stderr, "error: %s: cannot pack ioctl: %s\n",
5336                         jt_cmdname(argv[0]), strerror(-rc));
5337                return rc;
5338         }
5339
5340         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_REG, buf);
5341         if (rc < 0) {
5342                 rc = -errno;
5343                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
5344                         strerror(-rc));
5345                 return rc;
5346         }
5347
5348         llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
5349
5350         if (data.ioc_u32_1 == 0) {
5351                 fprintf(stderr, "received invalid userid!\n");
5352                 return -EPROTO;
5353         }
5354
5355         if (print_name_only)
5356                 printf("%s%u\n", CHANGELOG_USER_PREFIX, data.ioc_u32_1);
5357         else
5358                 printf("%s: Registered changelog userid '%s%u'\n",
5359                        device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
5360
5361         return 0;
5362 }
5363
5364 int jt_changelog_deregister(int argc, char **argv)
5365 {
5366         struct obd_ioctl_data    data = { 0 };
5367         char                     rawbuf[MAX_IOC_BUFLEN] = "";
5368         char                    *buf = rawbuf;
5369         char                    *device = lcfg_get_devname();
5370         int                      id;
5371         int                      rc;
5372
5373         if (argc != 2 || cur_device < 0 || device == NULL)
5374                 return CMD_HELP;
5375
5376         rc = sscanf(argv[1], CHANGELOG_USER_PREFIX"%d", &id);
5377         if (rc != 1 || id <= 0) {
5378                 fprintf(stderr,
5379                         "error: %s: expected id of the form %s<num> got '%s'\n",
5380                         jt_cmdname(argv[0]), CHANGELOG_USER_PREFIX, argv[1]);
5381                 return CMD_HELP;
5382         }
5383
5384         data.ioc_dev = cur_device;
5385         data.ioc_u32_1 = id;
5386
5387         rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
5388         if (rc < 0) {
5389                 fprintf(stderr, "error: %s: invalid ioctl\n",
5390                         jt_cmdname(argv[0]));
5391                 return rc;
5392         }
5393
5394         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_DEREG, buf);
5395         if (rc < 0) {
5396                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
5397                         strerror(rc = errno));
5398                 return rc;
5399         }
5400
5401         llapi_ioctl_unpack(&data, buf, sizeof(rawbuf));
5402         printf("%s: Deregistered changelog user '%s%u'\n",
5403                device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
5404
5405         return 0;
5406 }