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.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2011, 2014, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * lustre/utils/obd.c
  37  *
  38  * Author: Peter J. Braam <braam@clusterfs.com>
  39  * Author: Phil Schwan <phil@clusterfs.com>
  40  * Author: Andreas Dilger <adilger@clusterfs.com>
  41  * Author: Robert Read <rread@clusterfs.com>
  42  */
  43
  44 #include <sys/ioctl.h>
  45 #include <sys/socket.h>
  46 #include <sys/stat.h>
  47 #include <sys/time.h>
  48 #include <sys/types.h>
  49 #include <sys/un.h>
  50 #include <sys/wait.h>
  51
  52 #include <ctype.h>
  53 #include <errno.h>
  54 #include <fcntl.h>
  55 #include <getopt.h>
  56 #include <glob.h>
  57 #include <signal.h>
  58 #include <stdarg.h>
  59 #include <stdbool.h>
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <string.h>
  63 #include <time.h>
  64 #include <unistd.h>
  65
  66 #include "obdctl.h"
  67 #include <libcfs/util/ioctl.h>
  68 #include <libcfs/util/parser.h>
  69 #include <libcfs/util/string.h>
  70
  71 #include <lnet/nidstr.h>
  72 #include <lustre/lustre_idl.h>
  73 #include <lustre_cfg.h>
  74 #include <lustre_ioctl.h>
  75 #include <lustre/lustre_build_version.h>
  76
  77 #include <lnet/lnetctl.h>
  78 #include <lustre/lustreapi.h>
  79 #include <lustre_param.h>
  80
  81 #define MAX_STRING_SIZE 128
  82 #define DEVICES_LIST "/proc/fs/lustre/devices"
  83
  84 #if HAVE_LIBPTHREAD
  85 #include <sys/ipc.h>
  86 #include <sys/shm.h>
  87 #include <pthread.h>
  88
  89 #define MAX_THREADS 4096
  90 #define MAX_BASE_ID 0xffffffff
  91 #define NIDSTRING_LENGTH 64
  92 struct shared_data {
  93         pthread_mutex_t mutex;
  94         pthread_cond_t  cond;
  95         int       stopping;
  96         struct {
  97                 __u64 counters[MAX_THREADS];
  98                 __u64 offsets[MAX_THREADS];
  99                 int   thr_running;
 100                 int   start_barrier;
 101                 int   stop_barrier;
 102                 struct timeval start_time;
 103                 struct timeval end_time;
 104         } body;
 105 };
 106
 107 static struct shared_data *shared_data;
 108 static __u64 counter_snapshot[2][MAX_THREADS];
 109 static int prev_valid;
 110 static struct timeval prev_time;
 111 static int thread;
 112 static int nthreads;
 113 #else
 114 const int thread = 0;
 115 const int nthreads = 1;
 116 #endif
 117
 118 static int cur_device = -1;
 119
 120 static int l2_ioctl(int dev_id, int opc, void *buf)
 121 {
 122         return l_ioctl(dev_id, opc, buf);
 123 }
 124
 125 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
 126 {
 127         struct obd_ioctl_data data;
 128         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 129         int rc;
 130
 131         memset(&data, 0, sizeof(data));
 132         data.ioc_dev = cur_device;
 133         data.ioc_type = LUSTRE_CFG_TYPE;
 134         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 135                                         lcfg->lcfg_buflens);
 136         data.ioc_pbuf1 = (void *)lcfg;
 137         memset(buf, 0, sizeof(rawbuf));
 138         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 139         if (rc) {
 140                 fprintf(stderr, "error: %s: invalid ioctl\n",
 141                         jt_cmdname(func));
 142                 return rc;
 143         }
 144
 145         rc =  l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
 146
 147         return rc;
 148 }
 149
 150 static int do_device(char *func, char *devname);
 151
 152 static int get_mgs_device()
 153 {
 154         char mgs[] = "$MGS";
 155         static int mgs_device = -1;
 156
 157         if (mgs_device == -1) {
 158                 int rc;
 159                 do_disconnect(NULL, 1);
 160                 rc = do_device("mgsioc", mgs);
 161                 if (rc) {
 162                         fprintf(stderr,
 163                                 "This command must be run on the MGS.\n");
 164                         errno = ENODEV;
 165                         return -1;
 166                 }
 167                 mgs_device = cur_device;
 168         }
 169         return mgs_device;
 170 }
 171
 172 /* Returns -1 on error with errno set */
 173 int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
 174 {
 175         struct obd_ioctl_data data;
 176         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 177         int rc;
 178
 179         memset(&data, 0, sizeof(data));
 180         rc = data.ioc_dev = get_mgs_device();
 181         if (rc < 0)
 182                 goto out;
 183         data.ioc_type = LUSTRE_CFG_TYPE;
 184         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 185                                         lcfg->lcfg_buflens);
 186         data.ioc_pbuf1 = (void *)lcfg;
 187         memset(buf, 0, sizeof(rawbuf));
 188         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 189         if (rc) {
 190                 fprintf(stderr, "error: %s: invalid ioctl\n",
 191                         jt_cmdname(func));
 192                 return rc;
 193         }
 194
 195         rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
 196 out:
 197         if (rc) {
 198                 if (errno == ENOSYS)
 199                         fprintf(stderr, "Make sure cfg_device is set first.\n");
 200         }
 201         return rc;
 202 }
 203
 204 char *obdo_print(struct obdo *obd)
 205 {
 206         char buf[1024];
 207
 208         sprintf(buf, "id: "LPX64"\ngrp: "LPX64"\natime: "LPU64"\nmtime: "LPU64
 209                 "\nctime: "LPU64"\nsize: "LPU64"\nblocks: "LPU64
 210                 "\nblksize: %u\nmode: %o\nuid: %d\ngid: %d\nflags: %x\n"
 211                 "misc: %x\nnlink: %d,\nvalid "LPX64"\n",
 212                 ostid_id(&obd->o_oi), ostid_seq(&obd->o_oi), obd->o_atime,
 213                 obd->o_mtime, obd->o_ctime,
 214                 obd->o_size, 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, 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 = obd_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 = obd_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, $name or %uuid.
 259  */
 260 int parse_devname(char *func, char *name)
 261 {
 262         int rc;
 263         int ret = -1;
 264
 265         if (!name)
 266                 return ret;
 267         if (isdigit(name[0])) {
 268                 ret = strtoul(name, NULL, 0);
 269         } else {
 270                 if (name[0] == '$' || name[0] == '%')
 271                         name++;
 272                 rc = do_name2dev(func, name);
 273                 if (rc >= N2D_OFF) {
 274                         ret = rc - N2D_OFF;
 275                         // printf("Name %s is device %d\n", name, ret);
 276                 } else {
 277                         fprintf(stderr, "No device found for name %s: %s\n",
 278                                 name, strerror(rc));
 279                 }
 280         }
 281         return ret;
 282 }
 283
 284 char *jt_cmdname(char *func)
 285 {
 286         static char buf[512];
 287
 288         if (thread) {
 289                 sprintf(buf, "%s-%d", func, thread);
 290                 return buf;
 291         }
 292
 293         return func;
 294 }
 295
 296 #define difftime(a, b)                                  \
 297         ((a)->tv_sec - (b)->tv_sec +                    \
 298          ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
 299
 300 static int be_verbose(int verbose, struct timeval *next_time,
 301                       __u64 num, __u64 *next_num, int num_total)
 302 {
 303         struct timeval now;
 304
 305         if (!verbose)
 306                 return 0;
 307
 308         if (next_time != NULL)
 309                 gettimeofday(&now, NULL);
 310
 311         /* A positive verbosity means to print every X iterations */
 312         if (verbose > 0 && (num >= *next_num || num >= num_total)) {
 313                 *next_num += verbose;
 314                 if (next_time) {
 315                         next_time->tv_sec = now.tv_sec - verbose;
 316                         next_time->tv_usec = now.tv_usec;
 317                 }
 318                 return 1;
 319         }
 320
 321         /* A negative verbosity means to print at most each X seconds */
 322         if (verbose < 0 && next_time != NULL &&
 323             difftime(&now, next_time) >= 0.0){
 324                 next_time->tv_sec = now.tv_sec - verbose;
 325                 next_time->tv_usec = now.tv_usec;
 326                 *next_num = num;
 327                 return 1;
 328         }
 329
 330         return 0;
 331 }
 332
 333 static int get_verbose(char *func, const char *arg)
 334 {
 335         int verbose;
 336         char *end;
 337
 338         if (!arg || arg[0] == 'v')
 339                 verbose = 1;
 340         else if (arg[0] == 's' || arg[0] == 'q')
 341                 verbose = 0;
 342         else {
 343                 verbose = (int)strtoul(arg, &end, 0);
 344                 if (*end) {
 345                         fprintf(stderr, "error: %s: bad verbose option '%s'\n",
 346                                 jt_cmdname(func), arg);
 347                         return BAD_VERBOSE;
 348                 }
 349         }
 350
 351         if (verbose < 0)
 352                 printf("Print status every %d seconds\n", -verbose);
 353         else if (verbose == 1)
 354                 printf("Print status every operation\n");
 355         else if (verbose > 1)
 356                 printf("Print status every %d operations\n", verbose);
 357
 358         return verbose;
 359 }
 360
 361 int do_disconnect(char *func, int verbose)
 362 {
 363         lcfg_set_devname(NULL);
 364         cur_device = -1;
 365         return 0;
 366 }
 367
 368 #ifdef MAX_THREADS
 369 static int shmem_setup(void)
 370 {
 371         pthread_mutexattr_t mattr;
 372         pthread_condattr_t  cattr;
 373         int                 rc;
 374         int                 shmid;
 375
 376         /* Create new segment */
 377         shmid = shmget(IPC_PRIVATE, sizeof(*shared_data), 0600);
 378         if (shmid == -1) {
 379                 fprintf(stderr, "Can't create shared data: %s\n",
 380                         strerror(errno));
 381                 return errno;
 382         }
 383
 384         /* Attatch to new segment */
 385         shared_data = (struct shared_data *)shmat(shmid, NULL, 0);
 386
 387         if (shared_data == (struct shared_data *)(-1)) {
 388                 fprintf(stderr, "Can't attach shared data: %s\n",
 389                         strerror(errno));
 390                 shared_data = NULL;
 391                 return errno;
 392         }
 393
 394         /* Mark segment as destroyed, so it will disappear when we exit.
 395          * Forks will inherit attached segments, so we should be OK.
 396          */
 397         if (shmctl(shmid, IPC_RMID, NULL) == -1) {
 398                 fprintf(stderr, "Can't destroy shared data: %s\n",
 399                         strerror(errno));
 400                 return errno;
 401         }
 402
 403         pthread_mutexattr_init(&mattr);
 404         pthread_condattr_init(&cattr);
 405
 406         rc = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
 407         if (rc != 0) {
 408                 fprintf(stderr, "Can't set shared mutex attr\n");
 409                 goto out;
 410         }
 411
 412         rc = pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED);
 413         if (rc != 0) {
 414                 fprintf(stderr, "Can't set shared cond attr\n");
 415                 goto out;
 416         }
 417
 418         pthread_mutex_init(&shared_data->mutex, &mattr);
 419         pthread_cond_init(&shared_data->cond, &cattr);
 420 out:
 421         pthread_mutexattr_destroy(&mattr);
 422         pthread_condattr_destroy(&cattr);
 423
 424         return rc;
 425 }
 426
 427 static inline void shmem_lock(void)
 428 {
 429         pthread_mutex_lock(&shared_data->mutex);
 430 }
 431
 432 static inline void shmem_unlock(void)
 433 {
 434         pthread_mutex_unlock(&shared_data->mutex);
 435 }
 436
 437 static inline void shmem_wait(void)
 438 {
 439         pthread_cond_wait(&shared_data->cond, &shared_data->mutex);
 440 }
 441
 442 static inline void shmem_wakeup_all(void)
 443 {
 444         pthread_cond_broadcast(&shared_data->cond);
 445 }
 446
 447 static inline void shmem_reset(int total_threads)
 448 {
 449         if (shared_data == NULL)
 450                 return;
 451
 452         memset(&shared_data->body, 0, sizeof(shared_data->body));
 453         memset(counter_snapshot, 0, sizeof(counter_snapshot));
 454         prev_valid = 0;
 455         shared_data->stopping = 0;
 456         shared_data->body.start_barrier = total_threads;
 457         shared_data->body.stop_barrier = total_threads;
 458 }
 459
 460 static inline void shmem_bump(__u32 counter)
 461 {
 462         static bool running_not_bumped = true;
 463
 464         if (shared_data == NULL || thread <= 0 || thread > MAX_THREADS)
 465                 return;
 466
 467         shmem_lock();
 468         shared_data->body.counters[thread - 1] += counter;
 469         if (running_not_bumped) {
 470                 shared_data->body.thr_running++;
 471                 running_not_bumped = false;
 472         }
 473         shmem_unlock();
 474 }
 475
 476 static void shmem_total(int total_threads)
 477 {
 478         __u64 total = 0;
 479         double secs;
 480         int i;
 481
 482         if (shared_data == NULL || total_threads > MAX_THREADS)
 483                 return;
 484
 485         shmem_lock();
 486         for (i = 0; i < total_threads; i++)
 487                 total += shared_data->body.counters[i];
 488
 489         secs = difftime(&shared_data->body.end_time,
 490                         &shared_data->body.start_time);
 491         shmem_unlock();
 492
 493         printf("Total: total "LPU64" threads %d sec %f %f/second\n",
 494                total, total_threads, secs, total / secs);
 495
 496         return;
 497 }
 498
 499 static void shmem_snap(int total_threads, int live_threads)
 500 {
 501         struct timeval this_time;
 502         int non_zero = 0;
 503         __u64 total = 0;
 504         double secs;
 505         int running;
 506         int i;
 507
 508         if (shared_data == NULL || total_threads > MAX_THREADS)
 509                 return;
 510
 511         shmem_lock();
 512         memcpy(counter_snapshot[0], shared_data->body.counters,
 513                total_threads * sizeof(counter_snapshot[0][0]));
 514         running = shared_data->body.thr_running;
 515         shmem_unlock();
 516
 517         gettimeofday(&this_time, NULL);
 518
 519         for (i = 0; i < total_threads; i++) {
 520                 long long this_count =
 521                         counter_snapshot[0][i] - counter_snapshot[1][i];
 522
 523                 if (this_count != 0) {
 524                         non_zero++;
 525                         total += this_count;
 526                 }
 527         }
 528
 529         secs = difftime(&this_time, &prev_time);
 530         if (prev_valid && secs > 1.0)    /* someone screwed with the time? */
 531                 printf("%d/%d Total: %f/second\n", non_zero, total_threads,
 532                        total / secs);
 533
 534         memcpy(counter_snapshot[1], counter_snapshot[0],
 535                total_threads * sizeof(counter_snapshot[0][0]));
 536         prev_time = this_time;
 537         if (!prev_valid &&
 538             running == total_threads)
 539                 prev_valid = 1;
 540 }
 541
 542 static void shmem_stop(void)
 543 {
 544         if (shared_data == NULL)
 545                 return;
 546
 547         shared_data->stopping = 1;
 548 }
 549
 550 static void shmem_cleanup(void)
 551 {
 552         if (shared_data == NULL)
 553                 return;
 554
 555         shmem_stop();
 556
 557         pthread_mutex_destroy(&shared_data->mutex);
 558         pthread_cond_destroy(&shared_data->cond);
 559 }
 560
 561 static int shmem_running(void)
 562 {
 563         return (shared_data == NULL || !shared_data->stopping);
 564 }
 565
 566 static void shmem_end_time_locked(void)
 567 {
 568         shared_data->body.stop_barrier--;
 569         if (shared_data->body.stop_barrier == 0)
 570                 gettimeofday(&shared_data->body.end_time, NULL);
 571 }
 572
 573 static void shmem_start_time_locked(void)
 574 {
 575         shared_data->body.start_barrier--;
 576         if (shared_data->body.start_barrier == 0) {
 577                 shmem_wakeup_all();
 578                 gettimeofday(&shared_data->body.start_time, NULL);
 579         } else {
 580                 shmem_wait();
 581         }
 582 }
 583
 584 #else
 585 static int shmem_setup(void)
 586 {
 587         return 0;
 588 }
 589
 590 static inline void shmem_reset(int total_threads)
 591 {
 592 }
 593
 594 static inline void shmem_bump(__u32 counters)
 595 {
 596 }
 597
 598 static void shmem_lock()
 599 {
 600 }
 601
 602 static void shmem_unlock()
 603 {
 604 }
 605
 606 static void shmem_cleanup(void)
 607 {
 608 }
 609
 610 static int shmem_running(void)
 611 {
 612         return 1;
 613 }
 614 #endif
 615
 616 extern command_t cmdlist[];
 617
 618 static int do_device(char *func, char *devname)
 619 {
 620         int dev;
 621
 622         dev = parse_devname(func, devname);
 623         if (dev < 0)
 624                 return -1;
 625
 626         lcfg_set_devname(devname);
 627         cur_device = dev;
 628         return 0;
 629 }
 630
 631 int jt_obd_get_device()
 632 {
 633         return cur_device;
 634 }
 635
 636 int jt_obd_device(int argc, char **argv)
 637 {
 638         int rc;
 639
 640         if (argc > 2)
 641                 return CMD_HELP;
 642
 643         if (argc == 1) {
 644                 printf("current device is %d - %s\n",
 645                        cur_device, lcfg_get_devname() ? : "not set");
 646                 return 0;
 647         }
 648         rc = do_device("device", argv[1]);
 649         return rc;
 650 }
 651
 652 int jt_opt_device(int argc, char **argv)
 653 {
 654         int ret;
 655         int rc;
 656
 657         if (argc < 3)
 658                 return CMD_HELP;
 659
 660         rc = do_device("device", argv[1]);
 661
 662         if (!rc)
 663                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 664
 665         ret = do_disconnect(argv[0], 0);
 666         if (!rc)
 667                 rc = ret;
 668
 669         return rc;
 670 }
 671
 672 #ifdef MAX_THREADS
 673 static void parent_sighandler (int sig)
 674 {
 675         return;
 676 }
 677
 678 int jt_opt_threads(int argc, char **argv)
 679 {
 680         static char      cmdstr[128];
 681         sigset_t         saveset;
 682         sigset_t         sigset;
 683         struct sigaction sigact;
 684         struct sigaction saveact1;
 685         struct sigaction saveact2;
 686         unsigned long    threads;
 687         __u64            next_thread;
 688         int verbose;
 689         int rc = 0;
 690         int report_count = -1;
 691         char *end;
 692         int i;
 693
 694         if (argc < 5)
 695                 return CMD_HELP;
 696
 697         threads = strtoul(argv[1], &end, 0);
 698
 699         if (*end == '.')
 700                 report_count = strtoul(end + 1, &end, 0);
 701
 702         if (*end || threads > MAX_THREADS) {
 703                 fprintf(stderr, "error: %s: invalid thread count '%s'\n",
 704                         jt_cmdname(argv[0]), argv[1]);
 705                 return CMD_HELP;
 706         }
 707
 708         verbose = get_verbose(argv[0], argv[2]);
 709         if (verbose == BAD_VERBOSE)
 710                 return CMD_HELP;
 711
 712         if (verbose != 0) {
 713                 snprintf(cmdstr, sizeof(cmdstr), "%s", argv[4]);
 714                 for (i = 5; i < argc; i++)
 715                         snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
 716                                  " %s", argv[i]);
 717
 718                 printf("%s: starting %ld threads on device %s running %s\n",
 719                        argv[0], threads, argv[3], cmdstr);
 720         }
 721
 722         shmem_reset(threads);
 723
 724         sigemptyset(&sigset);
 725         sigaddset(&sigset, SIGALRM);
 726         sigaddset(&sigset, SIGCHLD);
 727         sigprocmask(SIG_BLOCK, &sigset, &saveset);
 728
 729         nthreads = threads;
 730
 731         for (i = 1, next_thread = verbose; i <= threads; i++) {
 732                 rc = fork();
 733                 if (rc < 0) {
 734                         fprintf(stderr, "error: %s: #%d - %s\n", argv[0], i,
 735                                 strerror(rc = errno));
 736                         break;
 737                 } else if (rc == 0) {
 738                         sigprocmask(SIG_SETMASK, &saveset, NULL);
 739
 740                         thread = i;
 741                         argv[2] = "--device";
 742                         exit(jt_opt_device(argc - 2, argv + 2));
 743                 } else if (be_verbose(verbose, NULL, i, &next_thread, threads))
 744                         printf("%s: thread #%d (PID %d) started\n",
 745                                argv[0], i, rc);
 746                 rc = 0;
 747         }
 748
 749         if (!thread) {          /* parent process */
 750                 int live_threads = threads;
 751
 752                 sigemptyset(&sigset);
 753                 sigemptyset(&sigact.sa_mask);
 754                 sigact.sa_handler = parent_sighandler;
 755                 sigact.sa_flags = 0;
 756
 757                 sigaction(SIGALRM, &sigact, &saveact1);
 758                 sigaction(SIGCHLD, &sigact, &saveact2);
 759
 760                 while (live_threads > 0) {
 761                         int status;
 762                         pid_t ret;
 763
 764                         if (verbose < 0)        /* periodic stats */
 765                                 alarm(-verbose);
 766
 767                         sigsuspend(&sigset);
 768                         alarm(0);
 769
 770                         while (live_threads > 0) {
 771                                 ret = waitpid(0, &status, WNOHANG);
 772                                 if (ret == 0)
 773                                         break;
 774
 775                                 if (ret < 0) {
 776                                         fprintf(stderr, "error: %s: wait - %s\n",
 777                                                 argv[0], strerror(errno));
 778                                         if (!rc)
 779                                                 rc = errno;
 780                                         continue;
 781                                 } else {
 782                                         /*
 783                                          * This is a hack.  We _should_ be able
 784                                          * to use WIFEXITED(status) to see if
 785                                          * there was an error, but it appears
 786                                          * to be broken and it always returns 1
 787                                          * (OK).  See wait(2).
 788                                          */
 789                                         int err = WEXITSTATUS(status);
 790                                         if (err || WIFSIGNALED(status))
 791                                                 fprintf(stderr,
 792                                                         "%s: PID %d had rc=%d\n",
 793                                                         argv[0], ret, err);
 794                                         if (!rc)
 795                                                 rc = err;
 796
 797                                         live_threads--;
 798                                 }
 799                         }
 800
 801                         /* Show stats while all threads running */
 802                         if (verbose < 0) {
 803                                 shmem_snap(threads, live_threads);
 804                                 if (report_count > 0 && --report_count == 0)
 805                                         shmem_stop();
 806                         }
 807                 }
 808                 sigaction(SIGCHLD, &saveact2, NULL);
 809                 sigaction(SIGALRM, &saveact1, NULL);
 810         }
 811
 812         shmem_total(threads);
 813         sigprocmask(SIG_SETMASK, &saveset, NULL);
 814
 815         return rc;
 816 }
 817 #else
 818 int jt_opt_threads(int argc, char **argv)
 819 {
 820         fprintf(stderr, "%s not-supported in a single-threaded runtime\n",
 821                 jt_cmdname(argv[0]));
 822         return CMD_HELP;
 823 }
 824 #endif
 825
 826 int jt_opt_net(int argc, char **argv)
 827 {
 828         char *arg2[3];
 829         int rc;
 830
 831         if (argc < 3)
 832                 return CMD_HELP;
 833
 834         arg2[0] = argv[0];
 835         arg2[1] = argv[1];
 836         arg2[2] = NULL;
 837         rc = jt_ptl_network (2, arg2);
 838
 839         if (!rc)
 840                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 841
 842         return rc;
 843 }
 844
 845 int jt_obd_no_transno(int argc, char **argv)
 846 {
 847         struct obd_ioctl_data data;
 848         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 849         int rc;
 850
 851         memset(&data, 0, sizeof(data));
 852         data.ioc_dev = cur_device;
 853
 854         if (argc != 1)
 855                 return CMD_HELP;
 856
 857         memset(buf, 0, sizeof(rawbuf));
 858         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 859         if (rc) {
 860                 fprintf(stderr, "error: %s: invalid ioctl\n",
 861                         jt_cmdname(argv[0]));
 862                 return rc;
 863         }
 864         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
 865         if (rc < 0)
 866                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 867                         strerror(rc = errno));
 868
 869         return rc;
 870 }
 871
 872 int jt_obd_set_readonly(int argc, char **argv)
 873 {
 874         struct obd_ioctl_data data;
 875         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 876         int rc;
 877
 878         memset(&data, 0, sizeof(data));
 879         data.ioc_dev = cur_device;
 880
 881         if (argc != 1)
 882                 return CMD_HELP;
 883
 884         memset(buf, 0, sizeof(rawbuf));
 885         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 886         if (rc) {
 887                 fprintf(stderr, "error: %s: invalid ioctl\n",
 888                         jt_cmdname(argv[0]));
 889                 return rc;
 890         }
 891         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
 892         if (rc < 0)
 893                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 894                         strerror(rc = errno));
 895
 896         return rc;
 897 }
 898
 899 int jt_obd_abort_recovery(int argc, char **argv)
 900 {
 901         struct obd_ioctl_data data;
 902         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 903         int rc;
 904
 905         memset(&data, 0, sizeof(data));
 906         data.ioc_dev = cur_device;
 907
 908         if (argc != 1)
 909                 return CMD_HELP;
 910
 911         memset(buf, 0, sizeof(rawbuf));
 912         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 913         if (rc) {
 914                 fprintf(stderr, "error: %s: invalid ioctl\n",
 915                         jt_cmdname(argv[0]));
 916                 return rc;
 917         }
 918         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
 919         if (rc < 0)
 920                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 921                         strerror(rc = errno));
 922
 923         return rc;
 924 }
 925
 926 int jt_get_version(int argc, char **argv)
 927 {
 928         int rc;
 929         char rawbuf[MAX_IOC_BUFLEN];
 930         char *version;
 931
 932         if (argc != 1)
 933                 return CMD_HELP;
 934
 935         rc = llapi_get_version(rawbuf, MAX_IOC_BUFLEN, &version);
 936         if (rc)
 937                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 938                         strerror(-rc));
 939         else
 940                 printf("Lustre version: %s\n", version);
 941
 942         return rc;
 943 }
 944
 945 static void print_obd_line(char *s)
 946 {
 947         char buf[MAX_STRING_SIZE];
 948         char obd_name[MAX_OBD_NAME];
 949         FILE *fp = NULL;
 950         char *ptr;
 951
 952         snprintf(buf, sizeof(buf), " %%*d %%*s osc %%%zus %%*s %%*d ",
 953                  sizeof(obd_name) - 1);
 954         if (sscanf(s, buf, obd_name) == 0)
 955                 goto try_mdc;
 956         snprintf(buf, sizeof(buf),
 957                  "/proc/fs/lustre/osc/%s/ost_conn_uuid", obd_name);
 958         if ((fp = fopen(buf, "r")) == NULL)
 959                 goto try_mdc;
 960         goto got_one;
 961
 962 try_mdc:
 963         snprintf(buf, sizeof(buf), " %%*d %%*s mdc %%%zus %%*s %%*d ",
 964                  sizeof(obd_name) - 1);
 965         if (sscanf(s, buf, obd_name) == 0)
 966                 goto fail;
 967         snprintf(buf, sizeof(buf),
 968                  "/proc/fs/lustre/mdc/%s/mds_conn_uuid", obd_name);
 969         if ((fp = fopen(buf, "r")) == NULL)
 970                 goto fail;
 971
 972 got_one:
 973         /* should not ignore fgets(3)'s return value */
 974         if (!fgets(buf, sizeof(buf), fp)) {
 975                 fprintf(stderr, "reading from %s: %s", buf, strerror(errno));
 976                 fclose(fp);
 977                 return;
 978         }
 979         fclose(fp);
 980
 981         /* trim trailing newlines */
 982         ptr = strrchr(buf, '\n');
 983         if (ptr) *ptr = '\0';
 984         ptr = strrchr(s, '\n');
 985         if (ptr) *ptr = '\0';
 986
 987         printf("%s %s\n", s, buf);
 988         return;
 989
 990 fail:
 991         printf("%s", s);
 992         return;
 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) - cfs_size_round(sizeof(*data));
1013                 data->ioc_inlbuf1 = buf + cfs_size_round(sizeof(*data));
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         int rc;
1036         char buf[MAX_STRING_SIZE];
1037         FILE *fp = NULL;
1038         int print_obd = 0;
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         fp = fopen(DEVICES_LIST, "r");
1050         if (fp == NULL) {
1051                 fprintf(stderr, "error: %s: %s opening "DEVICES_LIST"\n",
1052                         jt_cmdname(argv[0]), strerror(rc =  errno));
1053                 return jt_obd_list_ioctl(argc, argv);
1054         }
1055
1056         while (fgets(buf, sizeof(buf), fp) != NULL)
1057                 if (print_obd)
1058                         print_obd_line(buf);
1059                 else
1060                         printf("%s", buf);
1061
1062         fclose(fp);
1063         return 0;
1064 }
1065
1066 struct jt_fid_space {
1067         __u64   jt_seq;
1068         __u64   jt_id;
1069         int     jt_width;
1070 };
1071
1072 int jt_obd_alloc_fids(struct jt_fid_space *space, struct lu_fid *fid,
1073                       __u64 *count)
1074 {
1075         int rc;
1076
1077         if (space->jt_seq == 0 || space->jt_id == space->jt_width) {
1078                 struct obd_ioctl_data  data;
1079                 char rawbuf[MAX_IOC_BUFLEN];
1080                 char *buf = rawbuf;
1081                 __u64 seqnr;
1082                 int max_count;
1083
1084                 memset(&data, 0, sizeof(data));
1085                 data.ioc_dev = cur_device;
1086
1087                 data.ioc_pbuf1 = (char *)&seqnr;
1088                 data.ioc_plen1 = sizeof(seqnr);
1089
1090                 data.ioc_pbuf2 = (char *)&max_count;
1091                 data.ioc_plen2 = sizeof(max_count);
1092
1093                 memset(buf, 0, sizeof(rawbuf));
1094                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1095                 if (rc) {
1096                         fprintf(stderr, "error: invalid ioctl rc = %d\n", rc);
1097                         return rc;
1098                 }
1099
1100                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_ALLOC_SEQ, buf);
1101                 if (rc) {
1102                         fprintf(stderr, "ioctl error: rc = %d\n", rc);
1103                         return rc;
1104                 }
1105
1106                 space->jt_seq = *(__u64 *)data.ioc_pbuf1;
1107                 space->jt_width = *(int *)data.ioc_pbuf2;
1108                 space->jt_id = 1;
1109         }
1110         fid->f_seq = space->jt_seq;
1111         fid->f_oid = space->jt_id;
1112         fid->f_ver = 0;
1113
1114         space->jt_id = space->jt_id + *count;
1115         if (space->jt_id > space->jt_width)
1116                 space->jt_id = space->jt_width;
1117
1118         *count = space->jt_id - fid->f_oid;
1119         return 0;
1120 }
1121
1122 #define MD_STEP_COUNT 1000
1123 int jt_obd_md_common(int argc, char **argv, int cmd)
1124 {
1125         struct obd_ioctl_data  data;
1126         struct timeval         start;
1127         struct timeval         end_time;
1128         char                   rawbuf[MAX_IOC_BUFLEN];
1129         char                  *buf = rawbuf;
1130         int                    mode = 0000644;
1131         int                    create_mode;
1132         int                    rc = 0;
1133         char                  *parent_basedir = NULL;
1134         char                   dirname[4096];
1135         int                    parent_base_id = 0;
1136         int                    parent_count = 1;
1137         __u64                  child_base_id = -1;
1138         int                    stripe_count = 0;
1139         int                    stripe_index = -1;
1140         int                    count = 0;
1141         char                  *end;
1142         __u64                  seconds = 0;
1143         double                 diff;
1144         int                    c;
1145         __u64                  total_count = 0;
1146         char                  *name = NULL;
1147         struct jt_fid_space    fid_space = {0};
1148         int                    version = 0;
1149         struct option          long_opts[] = {
1150                 {"child_base_id",     required_argument, 0, 'b'},
1151                 {"stripe_count",      required_argument, 0, 'c'},
1152                 {"parent_basedir",    required_argument, 0, 'd'},
1153                 {"parent_dircount",   required_argument, 0, 'D'},
1154                 {"stripe_index",      required_argument, 0, 'i'},
1155                 {"mode",              required_argument, 0, 'm'},
1156                 {"count",             required_argument, 0, 'n'},
1157                 {"time",              required_argument, 0, 't'},
1158                 {"version",           no_argument,       0, 'v'},
1159                 {0, 0, 0, 0}
1160         };
1161
1162         while ((c = getopt_long(argc, argv, "b:c:d:D:m:n:t:v",
1163                                 long_opts, NULL)) >= 0) {
1164                 switch (c) {
1165                 case 'b':
1166                         child_base_id = strtoull(optarg, &end, 0);
1167                         if (*end) {
1168                                 fprintf(stderr, "error: %s: bad child_base_id"
1169                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1170                                 return CMD_HELP;
1171                         }
1172                         break;
1173                 case 'c':
1174                         stripe_count = strtoul(optarg, &end, 0);
1175                         if (*end) {
1176                                 fprintf(stderr, "error: %s: bad stripe count"
1177                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1178                                 return CMD_HELP;
1179                         }
1180                         break;
1181                 case 'd':
1182                         parent_basedir = optarg;
1183                         break;
1184                 case 'D':
1185                         parent_count = strtoul(optarg, &end, 0);
1186                         if (*end) {
1187                                 fprintf(stderr, "error: %s: bad parent count"
1188                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1189                                 return CMD_HELP;
1190                         }
1191                         break;
1192                 case 'i':
1193                         stripe_index = strtoul(optarg, &end, 0);
1194                         if (*end) {
1195                                 fprintf(stderr, "error: %s: bad stripe index"
1196                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1197                                 return CMD_HELP;
1198                         }
1199                         break;
1200                 case 'm':
1201                         mode = strtoul(optarg, &end, 0);
1202                         if (*end) {
1203                                 fprintf(stderr, "error: %s: bad mode '%s'\n",
1204                                         jt_cmdname(argv[0]), optarg);
1205                                 return CMD_HELP;
1206                         }
1207                         break;
1208                 case 'n':
1209                         total_count = strtoul(optarg, &end, 0);
1210                         if (*end || total_count == 0) {
1211                                 fprintf(stderr, "%s: bad child count '%s'\n",
1212                                         jt_cmdname(argv[0]), optarg);
1213                                 return CMD_HELP;
1214                         }
1215                         break;
1216                 case 't':
1217                         seconds = strtoull(optarg, &end, 0);
1218                         if (*end) {
1219                                 fprintf(stderr, "error: %s: seconds '%s'\n",
1220                                         jt_cmdname(argv[0]), optarg);
1221                                 return CMD_HELP;
1222                         }
1223                         break;
1224                 case 'v':
1225                         version = 1;
1226                         break;
1227                 default:
1228                         fprintf(stderr, "error: %s: option '%s' "
1229                                 "unrecognized\n", argv[0], argv[optind - 1]);
1230                         return CMD_HELP;
1231                 }
1232         }
1233
1234         memset(&data, 0, sizeof(data));
1235         data.ioc_dev = cur_device;
1236         if (child_base_id == -1) {
1237                 if (optind >= argc)
1238                         return CMD_HELP;
1239                 name = argv[optind];
1240                 total_count = 1;
1241         } else {
1242                 if (optind < argc) {
1243                         fprintf(stderr, "child_base_id and name can not"
1244                                         " specified at the same time\n");
1245                         return CMD_HELP;
1246                 }
1247         }
1248
1249         if (stripe_count == 0 && stripe_index != -1) {
1250                 fprintf(stderr, "If stripe_count is 0, stripe_index can not"
1251                                 "be specified\n");
1252                 return CMD_HELP;
1253         }
1254
1255         if (total_count == 0 && seconds == 0) {
1256                 fprintf(stderr, "count or seconds needs to be indicated\n");
1257                 return CMD_HELP;
1258         }
1259
1260         if (parent_count <= 0) {
1261                 fprintf(stderr, "parent count must < 0\n");
1262                 return CMD_HELP;
1263         }
1264
1265 #ifdef MAX_THREADS
1266         if (thread) {
1267                 shmem_lock();
1268                 /* threads interleave */
1269                 if (parent_base_id != -1)
1270                         parent_base_id += (thread - 1) % parent_count;
1271
1272                 if (child_base_id != -1)
1273                         child_base_id +=  (thread - 1) * \
1274                                           (MAX_BASE_ID / nthreads);
1275
1276                 shmem_start_time_locked();
1277                 shmem_unlock();
1278         }
1279 #endif
1280         /* If parent directory is not specified, try to get the directory
1281          * from name */
1282         if (parent_basedir == NULL) {
1283                 char *last_lash;
1284                 if (name == NULL) {
1285                         fprintf(stderr, "parent_basedir or name must be"
1286                                         "indicated!\n");
1287                         return CMD_HELP;
1288                 }
1289                 /*Get directory and name from name*/
1290                 last_lash = strrchr(name, '/');
1291                 if (last_lash == NULL || name[0] != '/') {
1292                         fprintf(stderr, "Can not locate %s\n", name);
1293                         return CMD_HELP;
1294                 }
1295
1296                 if (last_lash == name) {
1297                         sprintf(dirname, "%s", "/");
1298                         name++;
1299                 } else {
1300                         int namelen = (unsigned long)last_lash -
1301                                       (unsigned long)name + 1;
1302                         snprintf(dirname, namelen, "%s", name);
1303                         name = last_lash + 1;
1304                 }
1305
1306                 data.ioc_pbuf1 = dirname;
1307                 data.ioc_plen1 = strlen(dirname);
1308
1309                 data.ioc_pbuf2 = name;
1310                 data.ioc_plen2 = strlen(name);
1311         } else {
1312                 if (name != NULL) {
1313                         data.ioc_pbuf2 = name;
1314                         data.ioc_plen2 = strlen(name);
1315                 }
1316                 if (parent_base_id > 0)
1317                         sprintf(dirname, "%s%d", parent_basedir,
1318                                 parent_base_id);
1319                 else
1320                         sprintf(dirname, "%s", parent_basedir);
1321                 data.ioc_pbuf1 = dirname;
1322                 data.ioc_plen1 = strlen(dirname);
1323         }
1324
1325         if (cmd == ECHO_MD_MKDIR || cmd == ECHO_MD_RMDIR)
1326                 create_mode = S_IFDIR;
1327         else
1328                 create_mode = S_IFREG;
1329
1330         data.ioc_obdo1.o_mode = mode | S_IFDIR;
1331         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
1332                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
1333         data.ioc_command = cmd;
1334
1335         gettimeofday(&start, NULL);
1336         while (shmem_running()) {
1337                 struct lu_fid fid = { 0 };
1338
1339                 if (child_base_id != -1)
1340                         data.ioc_obdo2.o_oi.oi.oi_id = child_base_id;
1341                 data.ioc_obdo2.o_mode = mode | create_mode;
1342                 data.ioc_obdo2.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
1343                                          OBD_MD_FLMODE | OBD_MD_FLFLAGS |
1344                                          OBD_MD_FLGROUP;
1345                 data.ioc_obdo2.o_misc = stripe_count;
1346                 data.ioc_obdo2.o_stripe_idx = stripe_index;
1347
1348                 if (total_count > 0) {
1349                         if ((total_count - count) > MD_STEP_COUNT)
1350                                 data.ioc_count = MD_STEP_COUNT;
1351                         else
1352                                 data.ioc_count = total_count - count;
1353                 } else {
1354                         data.ioc_count = MD_STEP_COUNT;
1355                 }
1356
1357                 if (cmd == ECHO_MD_CREATE || cmd == ECHO_MD_MKDIR) {
1358                         /*Allocate fids for the create */
1359                         rc = jt_obd_alloc_fids(&fid_space, &fid,
1360                                                &data.ioc_count);
1361                         if (rc) {
1362                                 fprintf(stderr, "Allocate fids error %d.\n",rc);
1363                                 return rc;
1364                         }
1365                         fid_to_ostid(&fid, &data.ioc_obdo1.o_oi);
1366                 }
1367
1368                 child_base_id += data.ioc_count;
1369                 count += data.ioc_count;
1370
1371                 memset(buf, 0, sizeof(rawbuf));
1372                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1373                 if (rc) {
1374                         fprintf(stderr, "error: %s: invalid ioctl %d\n",
1375                                 jt_cmdname(argv[0]), rc);
1376                         return rc;
1377                 }
1378
1379                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_MD, buf);
1380                 if (rc) {
1381                         fprintf(stderr, "error: %s: %s\n",
1382                                 jt_cmdname(argv[0]), strerror(rc = errno));
1383                         return rc;
1384                 }
1385                 shmem_bump(data.ioc_count);
1386
1387                 gettimeofday(&end_time, NULL);
1388                 diff = difftime(&end_time, &start);
1389                 if (seconds > 0 && (__u64)diff > seconds)
1390                         break;
1391
1392                 if (count >= total_count && total_count > 0)
1393                         break;
1394         }
1395
1396         if (count > 0 && version) {
1397                 gettimeofday(&end_time, NULL);
1398                 diff = difftime(&end_time, &start);
1399                 printf("%s: %d in %.3fs (%.3f /s): %s",
1400                         jt_cmdname(argv[0]), count, diff,
1401                         (double)count/diff, ctime(&end_time.tv_sec));
1402         }
1403
1404 #ifdef MAX_THREADS
1405         if (thread) {
1406                 shmem_lock();
1407                 shmem_end_time_locked();
1408                 shmem_unlock();
1409         }
1410 #endif
1411         return rc;
1412 }
1413
1414 int jt_obd_test_create(int argc, char **argv)
1415 {
1416         return jt_obd_md_common(argc, argv, ECHO_MD_CREATE);
1417 }
1418
1419 int jt_obd_test_mkdir(int argc, char **argv)
1420 {
1421         return jt_obd_md_common(argc, argv, ECHO_MD_MKDIR);
1422 }
1423
1424 int jt_obd_test_destroy(int argc, char **argv)
1425 {
1426         return jt_obd_md_common(argc, argv, ECHO_MD_DESTROY);
1427 }
1428
1429 int jt_obd_test_rmdir(int argc, char **argv)
1430 {
1431         return jt_obd_md_common(argc, argv, ECHO_MD_RMDIR);
1432 }
1433
1434 int jt_obd_test_lookup(int argc, char **argv)
1435 {
1436         return jt_obd_md_common(argc, argv, ECHO_MD_LOOKUP);
1437 }
1438
1439 int jt_obd_test_setxattr(int argc, char **argv)
1440 {
1441         return jt_obd_md_common(argc, argv, ECHO_MD_SETATTR);
1442 }
1443
1444 int jt_obd_test_md_getattr(int argc, char **argv)
1445 {
1446         return jt_obd_md_common(argc, argv, ECHO_MD_GETATTR);
1447 }
1448
1449 int jt_obd_create(int argc, char **argv)
1450 {
1451         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1452         struct obd_ioctl_data data;
1453         struct timeval next_time;
1454         __u64 count = 1, next_count, base_id = 1;
1455         int verbose = 1, mode = 0100644, rc = 0, i;
1456         char *end;
1457
1458         memset(&data, 0, sizeof(data));
1459         data.ioc_dev = cur_device;
1460         if (argc < 2 || argc > 4)
1461                 return CMD_HELP;
1462
1463         count = strtoull(argv[1], &end, 0);
1464         if (*end) {
1465                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1466                         jt_cmdname(argv[0]), argv[1]);
1467                 return CMD_HELP;
1468         }
1469
1470         if (argc > 2) {
1471                 mode = strtoul(argv[2], &end, 0);
1472                 if (*end) {
1473                         fprintf(stderr, "error: %s: invalid mode '%s'\n",
1474                                 jt_cmdname(argv[0]), argv[2]);
1475                         return CMD_HELP;
1476                 }
1477                 if (!(mode & S_IFMT))
1478                         mode |= S_IFREG;
1479         }
1480
1481         if (argc > 3) {
1482                 verbose = get_verbose(argv[0], argv[3]);
1483                 if (verbose == BAD_VERBOSE)
1484                         return CMD_HELP;
1485         }
1486
1487         printf("%s: "LPD64" objects\n", jt_cmdname(argv[0]), count);
1488         gettimeofday(&next_time, NULL);
1489         next_time.tv_sec -= verbose;
1490
1491         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1492         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1493                 data.ioc_obdo1.o_mode = mode;
1494                 ostid_set_id(&data.ioc_obdo1.o_oi, base_id);
1495                 data.ioc_obdo1.o_uid = 0;
1496                 data.ioc_obdo1.o_gid = 0;
1497                 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
1498                                          OBD_MD_FLID | OBD_MD_FLUID |
1499                                          OBD_MD_FLGID | OBD_MD_FLGROUP;
1500
1501                 memset(buf, 0, sizeof(rawbuf));
1502                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1503                 if (rc) {
1504                         fprintf(stderr, "error: %s: invalid ioctl\n",
1505                                 jt_cmdname(argv[0]));
1506                         return rc;
1507                 }
1508                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
1509                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1510                 shmem_bump(1);
1511                 if (rc < 0) {
1512                         fprintf(stderr, "error: %s: #%d - %s\n",
1513                                 jt_cmdname(argv[0]), i, strerror(rc = errno));
1514                         break;
1515                 }
1516                 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
1517                         fprintf(stderr,"error: %s: oid not valid #%d:"LPX64"\n",
1518                                 jt_cmdname(argv[0]), i, data.ioc_obdo1.o_valid);
1519                         rc = EINVAL;
1520                         break;
1521                 }
1522
1523                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1524                         printf("%s: #%d is object id "LPX64"\n",
1525                                jt_cmdname(argv[0]), i,
1526                                ostid_id(&data.ioc_obdo1.o_oi));
1527         }
1528         return rc;
1529 }
1530
1531 int jt_obd_setattr(int argc, char **argv)
1532 {
1533         struct obd_ioctl_data data;
1534         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1535         char *end;
1536         int rc;
1537
1538         memset(&data, 0, sizeof(data));
1539         data.ioc_dev = cur_device;
1540         if (argc != 2)
1541                 return CMD_HELP;
1542
1543         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1544         ostid_set_id(&data.ioc_obdo1.o_oi, strtoull(argv[1], &end, 0));
1545         if (*end) {
1546                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1547                         jt_cmdname(argv[0]), argv[1]);
1548                 return CMD_HELP;
1549         }
1550         data.ioc_obdo1.o_mode = S_IFREG | strtoul(argv[2], &end, 0);
1551         if (*end) {
1552                 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1553                         jt_cmdname(argv[0]), argv[2]);
1554                 return CMD_HELP;
1555         }
1556         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1557
1558         memset(buf, 0, sizeof(rawbuf));
1559         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1560         if (rc) {
1561                 fprintf(stderr, "error: %s: invalid ioctl\n",
1562                         jt_cmdname(argv[0]));
1563                 return rc;
1564         }
1565         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
1566         if (rc < 0)
1567                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1568                         strerror(rc = errno));
1569
1570         return rc;
1571 }
1572
1573 int jt_obd_test_setattr(int argc, char **argv)
1574 {
1575         struct obd_ioctl_data data;
1576         struct timeval start, next_time;
1577         __u64 i, count, next_count;
1578         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1579         int verbose = 1;
1580         __u64 objid = 3;
1581         char *end;
1582         int rc = 0;
1583
1584         if (argc < 2 || argc > 4)
1585                 return CMD_HELP;
1586
1587         memset(&data, 0, sizeof(data));
1588         data.ioc_dev = cur_device;
1589         count = strtoull(argv[1], &end, 0);
1590         if (*end) {
1591                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1592                         jt_cmdname(argv[0]), argv[1]);
1593                 return CMD_HELP;
1594         }
1595
1596         if (argc >= 3) {
1597                 verbose = get_verbose(argv[0], argv[2]);
1598                 if (verbose == BAD_VERBOSE)
1599                         return CMD_HELP;
1600         }
1601
1602         if (argc >= 4) {
1603                 if (argv[3][0] == 't') {
1604                         objid = strtoull(argv[3] + 1, &end, 0);
1605                         if (thread)
1606                                 objid += thread - 1;
1607                 } else
1608                         objid = strtoull(argv[3], &end, 0);
1609                 if (*end) {
1610                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1611                                 jt_cmdname(argv[0]), argv[3]);
1612                         return CMD_HELP;
1613                 }
1614         }
1615
1616         gettimeofday(&start, NULL);
1617         next_time.tv_sec = start.tv_sec - verbose;
1618         next_time.tv_usec = start.tv_usec;
1619         if (verbose != 0)
1620                 printf("%s: setting "LPD64" attrs (objid "LPX64"): %s",
1621                        jt_cmdname(argv[0]), count, objid, ctime(&start.tv_sec));
1622
1623         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1624         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1625                 ostid_set_id(&data.ioc_obdo1.o_oi, objid);
1626                 data.ioc_obdo1.o_mode = S_IFREG;
1627                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1628                 memset(buf, 0, sizeof(rawbuf));
1629                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1630                 if (rc) {
1631                         fprintf(stderr, "error: %s: invalid ioctl\n",
1632                                 jt_cmdname(argv[0]));
1633                         return rc;
1634                 }
1635                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
1636                 shmem_bump(1);
1637                 if (rc < 0) {
1638                         fprintf(stderr, "error: %s: #"LPD64" - %d:%s\n",
1639                                 jt_cmdname(argv[0]), i, errno, strerror(rc = errno));
1640                         break;
1641                 } else {
1642                         if (be_verbose
1643                             (verbose, &next_time, i, &next_count, count))
1644                                 printf("%s: set attr #"LPD64"\n",
1645                                        jt_cmdname(argv[0]), i);
1646                 }
1647         }
1648
1649         if (!rc) {
1650                 struct timeval end;
1651                 double diff;
1652
1653                 gettimeofday(&end, NULL);
1654
1655                 diff = difftime(&end, &start);
1656
1657                 --i;
1658                 if (verbose != 0)
1659                         printf("%s: "LPD64" attrs in %.3fs (%.3f attr/s): %s",
1660                                jt_cmdname(argv[0]), i, diff, i / diff,
1661                                ctime(&end.tv_sec));
1662         }
1663         return rc;
1664 }
1665
1666 int jt_obd_destroy(int argc, char **argv)
1667 {
1668         struct obd_ioctl_data data;
1669         struct timeval next_time;
1670         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1671         __u64 count = 1, next_count;
1672         int verbose = 1;
1673         __u64 id;
1674         char *end;
1675         int rc = 0, i;
1676
1677         memset(&data, 0, sizeof(data));
1678         data.ioc_dev = cur_device;
1679         if (argc < 2 || argc > 4)
1680                 return CMD_HELP;
1681
1682         id = strtoull(argv[1], &end, 0);
1683         if (*end || id == 0 || errno != 0) {
1684                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1685                         jt_cmdname(argv[0]), argv[1]);
1686                 return CMD_HELP;
1687         }
1688         if (argc > 2) {
1689                 count = strtoull(argv[2], &end, 0);
1690                 if (*end) {
1691                         fprintf(stderr,
1692                                 "error: %s: invalid iteration count '%s'\n",
1693                                 jt_cmdname(argv[0]), argv[2]);
1694                         return CMD_HELP;
1695                 }
1696         }
1697
1698         if (argc > 3) {
1699                 verbose = get_verbose(argv[0], argv[3]);
1700                 if (verbose == BAD_VERBOSE)
1701                         return CMD_HELP;
1702         }
1703
1704         printf("%s: "LPD64" objects\n", jt_cmdname(argv[0]), count);
1705         gettimeofday(&next_time, NULL);
1706         next_time.tv_sec -= verbose;
1707
1708         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1709         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++, id++) {
1710                 ostid_set_id(&data.ioc_obdo1.o_oi, id);
1711                 data.ioc_obdo1.o_mode = S_IFREG | 0644;
1712                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
1713
1714                 memset(buf, 0, sizeof(rawbuf));
1715                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1716                 if (rc) {
1717                         fprintf(stderr, "error: %s: invalid ioctl\n",
1718                                 jt_cmdname(argv[0]));
1719                         return rc;
1720                 }
1721                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
1722                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1723                 shmem_bump(1);
1724                 if (rc < 0) {
1725                         fprintf(stderr, "error: %s: objid "LPX64": %s\n",
1726                                 jt_cmdname(argv[0]), id, strerror(rc = errno));
1727                         break;
1728                 }
1729
1730                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1731                         printf("%s: #%d is object id "LPX64"\n",
1732                                jt_cmdname(argv[0]), i, id);
1733         }
1734
1735         return rc;
1736 }
1737
1738 int jt_obd_getattr(int argc, char **argv)
1739 {
1740         struct obd_ioctl_data data;
1741         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1742         char *end;
1743         int rc;
1744
1745         if (argc != 2)
1746                 return CMD_HELP;
1747
1748         memset(&data, 0, sizeof(data));
1749         data.ioc_dev = cur_device;
1750         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1751         ostid_set_id(&data.ioc_obdo1.o_oi, strtoull(argv[1], &end, 0));
1752         if (*end) {
1753                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1754                         jt_cmdname(argv[0]), argv[1]);
1755                 return CMD_HELP;
1756         }
1757         /* to help obd filter */
1758         data.ioc_obdo1.o_mode = 0100644;
1759         data.ioc_obdo1.o_valid = 0xffffffff;
1760         printf("%s: object id "LPX64"\n", jt_cmdname(argv[0]),
1761                ostid_id(&data.ioc_obdo1.o_oi));
1762
1763         memset(buf, 0, sizeof(rawbuf));
1764         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1765         if (rc) {
1766                 fprintf(stderr, "error: %s: invalid ioctl\n",
1767                         jt_cmdname(argv[0]));
1768                 return rc;
1769         }
1770         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
1771         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1772         if (rc) {
1773                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1774                         strerror(rc = errno));
1775         } else {
1776                 printf("%s: object id "LPU64", mode %o\n", jt_cmdname(argv[0]),
1777                        ostid_id(&data.ioc_obdo1.o_oi), data.ioc_obdo1.o_mode);
1778         }
1779         return rc;
1780 }
1781
1782 int jt_obd_test_getattr(int argc, char **argv)
1783 {
1784         struct obd_ioctl_data data;
1785         struct timeval start, next_time;
1786         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1787         __u64 i, count, next_count;
1788         int verbose = 1;
1789         __u64 objid = 3;
1790         char *end;
1791         int rc = 0;
1792
1793         if (argc < 2 || argc > 4)
1794                 return CMD_HELP;
1795
1796         memset(&data, 0, sizeof(data));
1797         data.ioc_dev = cur_device;
1798         count = strtoull(argv[1], &end, 0);
1799         if (*end) {
1800                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1801                         jt_cmdname(argv[0]), argv[1]);
1802                 return CMD_HELP;
1803         }
1804
1805         if (argc >= 3) {
1806                 verbose = get_verbose(argv[0], argv[2]);
1807                 if (verbose == BAD_VERBOSE)
1808                         return CMD_HELP;
1809         }
1810
1811         if (argc >= 4) {
1812                 if (argv[3][0] == 't') {
1813                         objid = strtoull(argv[3] + 1, &end, 0);
1814                         if (thread)
1815                                 objid += thread - 1;
1816                 } else
1817                         objid = strtoull(argv[3], &end, 0);
1818                 if (*end) {
1819                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1820                                 jt_cmdname(argv[0]), argv[3]);
1821                         return CMD_HELP;
1822                 }
1823         }
1824
1825         gettimeofday(&start, NULL);
1826         next_time.tv_sec = start.tv_sec - verbose;
1827         next_time.tv_usec = start.tv_usec;
1828         if (verbose != 0)
1829                 printf("%s: getting "LPD64" attrs (objid "LPX64"): %s",
1830                        jt_cmdname(argv[0]), count, objid, ctime(&start.tv_sec));
1831
1832         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1833         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1834                 ostid_set_id(&data.ioc_obdo1.o_oi, objid);
1835                 data.ioc_obdo1.o_mode = S_IFREG;
1836                 data.ioc_obdo1.o_valid = 0xffffffff;
1837                 memset(buf, 0, sizeof(rawbuf));
1838                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1839                 if (rc) {
1840                         fprintf(stderr, "error: %s: invalid ioctl\n",
1841                                 jt_cmdname(argv[0]));
1842                         return rc;
1843                 }
1844                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
1845                 shmem_bump(1);
1846                 if (rc < 0) {
1847                         fprintf(stderr, "error: %s: #"LPD64" - %d:%s\n",
1848                                 jt_cmdname(argv[0]), i, errno, strerror(rc = errno));
1849                         break;
1850                 } else {
1851                         if (be_verbose
1852                             (verbose, &next_time, i, &next_count, count))
1853                                 printf("%s: got attr #"LPD64"\n",
1854                                        jt_cmdname(argv[0]), i);
1855                 }
1856         }
1857
1858         if (!rc) {
1859                 struct timeval end;
1860                 double diff;
1861
1862                 gettimeofday(&end, NULL);
1863
1864                 diff = difftime(&end, &start);
1865
1866                 --i;
1867                 if (verbose != 0)
1868                         printf("%s: "LPD64" attrs in %.3fs (%.3f attr/s): %s",
1869                                jt_cmdname(argv[0]), i, diff, i / diff,
1870                                ctime(&end.tv_sec));
1871         }
1872         return rc;
1873 }
1874
1875 /* test_brw <cnt>                                               count
1876         <r|w[r(repeat)x(noverify)]>                             mode
1877         <q|v|#(print interval)>                                 verbosity
1878         <npages[+offset]>                                       blocksize
1879         <[[<interleave_threads>]t(inc obj by thread#)]obj>      object
1880         [p|g<args>]                                             batch */
1881 int jt_obd_test_brw(int argc, char **argv)
1882 {
1883         struct obd_ioctl_data data;
1884         struct timeval start, next_time;
1885         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1886         __u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
1887         int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
1888         int offset_pages = 0;
1889         long n;
1890         int repeat_offset = 0;
1891         unsigned long long ull;
1892         int  nthr_per_obj = 0;
1893         int  verify = 1;
1894         int  obj_idx = 0;
1895         char *end;
1896
1897         if (argc < 2 || argc > 7) {
1898                 fprintf(stderr, "error: %s: bad number of arguments: %d\n",
1899                         jt_cmdname(argv[0]), argc);
1900                 return CMD_HELP;
1901         }
1902
1903         count = strtoull(argv[1], &end, 0);
1904         if (*end) {
1905                 fprintf(stderr, "error: %s: bad iteration count '%s'\n",
1906                         jt_cmdname(argv[0]), argv[1]);
1907                 return CMD_HELP;
1908         }
1909
1910         if (argc >= 3) {
1911                 if (argv[2][0] == 'w' || argv[2][0] == '1')
1912                         write = 1;
1913                 /* else it's a read */
1914
1915                 if (argv[2][0] != 0)
1916                         for (i = 1; argv[2][i] != 0; i++)
1917                                 switch (argv[2][i]) {
1918                                 case 'r':
1919                                         repeat_offset = 1;
1920                                         break;
1921
1922                                 case 'x':
1923                                         verify = 0;
1924                                         break;
1925
1926                                 default:
1927                                         fprintf (stderr, "Can't parse cmd '%s'\n",
1928                                                  argv[2]);
1929                                         return CMD_HELP;
1930                                 }
1931         }
1932
1933         if (argc >= 4) {
1934                 verbose = get_verbose(argv[0], argv[3]);
1935                 if (verbose == BAD_VERBOSE)
1936                         return CMD_HELP;
1937         }
1938
1939         if (argc >= 5) {
1940                 pages = strtoul(argv[4], &end, 0);
1941
1942                 if (*end == '+')
1943                         offset_pages = strtoul(end + 1, &end, 0);
1944
1945                 if (*end != 0 ||
1946                     offset_pages < 0 || offset_pages >= pages) {
1947                         fprintf(stderr, "error: %s: bad npages[+offset] parameter '%s'\n",
1948                                 jt_cmdname(argv[0]), argv[4]);
1949                         return CMD_HELP;
1950                 }
1951         }
1952
1953         if (argc >= 6) {
1954                 if (thread &&
1955                     (n = strtol(argv[5], &end, 0)) > 0 &&
1956                     *end == 't' &&
1957                     (ull = strtoull(end + 1, &end, 0)) > 0 &&
1958                     *end == 0) {
1959                         nthr_per_obj = n;
1960                         objid = ull;
1961                 } else if (thread &&
1962                            argv[5][0] == 't') {
1963                         nthr_per_obj = 1;
1964                         objid = strtoull(argv[5] + 1, &end, 0);
1965                 } else {
1966                         nthr_per_obj = 0;
1967                         objid = strtoull(argv[5], &end, 0);
1968                 }
1969                 if (*end) {
1970                         fprintf(stderr, "error: %s: bad objid '%s'\n",
1971                                 jt_cmdname(argv[0]), argv[5]);
1972                         return CMD_HELP;
1973                 }
1974         }
1975
1976         memset(&data, 0, sizeof(data));
1977         data.ioc_dev = cur_device;
1978
1979         /* communicate the 'type' of brw test and batching to echo_client.
1980          * don't start.  we'd love to refactor this lctl->echo_client
1981          * interface */
1982         data.ioc_pbuf1 = (void *)1;
1983         data.ioc_plen1 = 1;
1984
1985         if (argc >= 7) {
1986                 switch(argv[6][0]) {
1987                         case 'g': /* plug and unplug */
1988                                 data.ioc_pbuf1 = (void *)2;
1989                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
1990                                                           0);
1991                                 break;
1992                         case 'p': /* prep and commit */
1993                                 data.ioc_pbuf1 = (void *)3;
1994                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
1995                                                           0);
1996                                 break;
1997                         default:
1998                                 fprintf(stderr, "error: %s: batching '%s' "
1999                                         "needs to specify 'p' or 'g'\n",
2000                                         jt_cmdname(argv[0]), argv[6]);
2001                                 return CMD_HELP;
2002                 }
2003
2004                 if (*end) {
2005                         fprintf(stderr, "error: %s: bad batching '%s'\n",
2006                                 jt_cmdname(argv[0]), argv[6]);
2007                         return CMD_HELP;
2008                 }
2009                 data.ioc_plen1 *= getpagesize();
2010         }
2011
2012         len = pages * getpagesize();
2013         thr_offset = offset_pages * getpagesize();
2014         stride = len;
2015
2016 #ifdef MAX_THREADS
2017         if (thread) {
2018                 shmem_lock ();
2019                 if (nthr_per_obj != 0) {
2020                         /* threads interleave */
2021                         obj_idx = (thread - 1)/nthr_per_obj;
2022                         objid += obj_idx;
2023                         stride *= nthr_per_obj;
2024                         if ((thread - 1) % nthr_per_obj == 0) {
2025                                 shared_data->body.offsets[obj_idx] =
2026                                         stride + thr_offset;
2027                         }
2028                         thr_offset += ((thread - 1) % nthr_per_obj) * len;
2029                 } else {
2030                         /* threads disjoint */
2031                         thr_offset += (thread - 1) * len;
2032                 }
2033
2034                 shmem_start_time_locked();
2035                 shmem_unlock ();
2036         }
2037 #endif
2038
2039         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
2040         ostid_set_id(&data.ioc_obdo1.o_oi, objid);
2041         data.ioc_obdo1.o_mode = S_IFREG;
2042         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
2043                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
2044         data.ioc_obdo1.o_flags = (verify ? OBD_FL_DEBUG_CHECK : 0);
2045         data.ioc_count = len;
2046         data.ioc_offset = (repeat_offset ? 0 : thr_offset);
2047
2048         gettimeofday(&start, NULL);
2049         next_time.tv_sec = start.tv_sec - verbose;
2050         next_time.tv_usec = start.tv_usec;
2051
2052         if (verbose != 0)
2053                 printf("%s: %s "LPU64"x%d pages (obj "LPX64", off "LPU64"): %s",
2054                        jt_cmdname(argv[0]), write ? "writing" : "reading", count,
2055                        pages, objid, data.ioc_offset, ctime(&start.tv_sec));
2056
2057         cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
2058         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
2059                 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
2060                 memset(buf, 0, sizeof(rawbuf));
2061                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2062                 if (rc) {
2063                         fprintf(stderr, "error: %s: invalid ioctl\n",
2064                                 jt_cmdname(argv[0]));
2065                         return rc;
2066                 }
2067                 rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
2068                 shmem_bump(1);
2069                 if (rc) {
2070                         fprintf(stderr, "error: %s: #%d - %s on %s\n",
2071                                 jt_cmdname(argv[0]), i, strerror(rc = errno),
2072                                 write ? "write" : "read");
2073                         break;
2074                 } else if (be_verbose(verbose, &next_time,i, &next_count,count)) {
2075                         shmem_lock ();
2076                         printf("%s: %s number %d @ "LPD64":"LPU64" for %d\n",
2077                                jt_cmdname(argv[0]), write ? "write" : "read", i,
2078                                ostid_id(&data.ioc_obdo1.o_oi), data.ioc_offset,
2079                                (int)(pages * getpagesize()));
2080                         shmem_unlock ();
2081                 }
2082
2083                 if (!repeat_offset) {
2084 #ifdef MAX_THREADS
2085                         if (stride == len) {
2086                                 data.ioc_offset += stride;
2087                         } else if (i < count) {
2088                                 shmem_lock ();
2089                                 data.ioc_offset =
2090                                         shared_data->body.offsets[obj_idx];
2091                                 shared_data->body.offsets[obj_idx] += len;
2092                                 shmem_unlock ();
2093                         }
2094 #else
2095                         data.ioc_offset += len;
2096                         obj_idx = 0; /* avoids an unused var warning */
2097 #endif
2098                 }
2099         }
2100
2101         if (!rc) {
2102                 struct timeval end;
2103                 double diff;
2104
2105                 gettimeofday(&end, NULL);
2106
2107                 diff = difftime(&end, &start);
2108
2109                 --i;
2110                 if (verbose != 0)
2111                         printf("%s: %s %dx%d pages in %.3fs (%.3f MB/s): %s",
2112                                jt_cmdname(argv[0]), write ? "wrote" : "read",
2113                                i, pages, diff,
2114                                ((double)i * pages * getpagesize()) /
2115                                (diff * 1048576.0),
2116                                ctime(&end.tv_sec));
2117         }
2118
2119 #ifdef MAX_THREADS
2120         if (thread) {
2121                 shmem_lock();
2122                 shmem_end_time_locked();
2123                 shmem_unlock();
2124         }
2125 #endif
2126         return rc;
2127 }
2128
2129 int jt_obd_lov_getconfig(int argc, char **argv)
2130 {
2131         struct obd_ioctl_data data;
2132         struct lov_desc desc;
2133         struct obd_uuid *uuidarray;
2134         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2135         __u32 *obdgens;
2136         char *path;
2137         int rc, fd;
2138
2139         memset(&data, 0, sizeof(data));
2140         data.ioc_dev = cur_device;
2141
2142         if (argc != 2)
2143                 return CMD_HELP;
2144
2145         path = argv[1];
2146         fd = open(path, O_RDONLY);
2147         if (fd < 0) {
2148                 fprintf(stderr, "open \"%s\" failed: %s\n", path,
2149                         strerror(errno));
2150                 return -errno;
2151         }
2152
2153         memset(&desc, 0, sizeof(desc));
2154         obd_str2uuid(&desc.ld_uuid, argv[1]);
2155         desc.ld_tgt_count = ((OBD_MAX_IOCTL_BUFFER-sizeof(data)-sizeof(desc)) /
2156                              (sizeof(*uuidarray) + sizeof(*obdgens)));
2157
2158 repeat:
2159         uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
2160         if (!uuidarray) {
2161                 fprintf(stderr, "error: %s: no memory for %d uuid's\n",
2162                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2163                 rc = -ENOMEM;
2164                 goto out;
2165         }
2166         obdgens = calloc(desc.ld_tgt_count, sizeof(*obdgens));
2167         if (!obdgens) {
2168                 fprintf(stderr, "error: %s: no memory for %d generation #'s\n",
2169                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2170                 rc = -ENOMEM;
2171                 goto out_uuidarray;
2172         }
2173
2174         memset(buf, 0, sizeof(rawbuf));
2175         data.ioc_inllen1 = sizeof(desc);
2176         data.ioc_inlbuf1 = (char *)&desc;
2177         data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
2178         data.ioc_inlbuf2 = (char *)uuidarray;
2179         data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
2180         data.ioc_inlbuf3 = (char *)obdgens;
2181
2182         if (obd_ioctl_pack(&data, &buf, sizeof(rawbuf))) {
2183                 fprintf(stderr, "error: %s: invalid ioctl\n",
2184                         jt_cmdname(argv[0]));
2185                 rc = -EINVAL;
2186                 goto out_obdgens;
2187         }
2188         rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
2189         if (rc == -ENOSPC) {
2190                 free(uuidarray);
2191                 free(obdgens);
2192                 goto repeat;
2193         } else if (rc) {
2194                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2195                         jt_cmdname(argv[0]), strerror(rc = errno));
2196         } else {
2197                 struct obd_uuid *uuidp;
2198                 __u32 *genp;
2199                 int i;
2200
2201                 if (obd_ioctl_unpack(&data, buf, sizeof(rawbuf))) {
2202                         fprintf(stderr, "error: %s: invalid reply\n",
2203                                 jt_cmdname(argv[0]));
2204                         rc = -EINVAL;
2205                         goto out;
2206                 }
2207                 if (desc.ld_default_stripe_count == (__u32)-1)
2208                         printf("default_stripe_count: %d\n", -1);
2209                 else
2210                         printf("default_stripe_count: %u\n",
2211                                desc.ld_default_stripe_count);
2212                 printf("default_stripe_size: "LPU64"\n",
2213                        desc.ld_default_stripe_size);
2214                 printf("default_stripe_offset: "LPU64"\n",
2215                        desc.ld_default_stripe_offset);
2216                 printf("default_stripe_pattern: %u\n", desc.ld_pattern);
2217                 printf("obd_count: %u\n", desc.ld_tgt_count);
2218                 printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
2219                 uuidp = uuidarray;
2220                 genp = obdgens;
2221                 for (i = 0; i < desc.ld_tgt_count; i++, uuidp++, genp++)
2222                         printf("\t%6u\t%14u\t\t %s\n", i, *genp, (char *)uuidp);
2223         }
2224 out_obdgens:
2225         free(obdgens);
2226 out_uuidarray:
2227         free(uuidarray);
2228 out:
2229         close(fd);
2230         return rc;
2231 }
2232
2233 static int do_activate(int argc, char **argv, int flag)
2234 {
2235         struct obd_ioctl_data data;
2236         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2237         int rc;
2238
2239         memset(&data, 0, sizeof(data));
2240         data.ioc_dev = cur_device;
2241         if (argc != 1)
2242                 return CMD_HELP;
2243
2244         /* reuse offset for 'active' */
2245         data.ioc_offset = flag;
2246
2247         memset(buf, 0, sizeof(rawbuf));
2248         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2249         if (rc) {
2250                 fprintf(stderr, "error: %s: invalid ioctl\n",
2251                         jt_cmdname(argv[0]));
2252                 return rc;
2253         }
2254         rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
2255         if (rc)
2256                 fprintf(stderr, "error: %s: failed: %s\n",
2257                         jt_cmdname(argv[0]), strerror(rc = errno));
2258
2259         return rc;
2260 }
2261
2262 /**
2263  * Replace nids for given device.
2264  * lctl replace_nids <devicename> <nid1>[,nid2,nid3]
2265  * Command should be started on MGS server.
2266  * Only MGS server should be started (command execution
2267  * returns error in another cases). Command mount
2268  * -t lustre <MDT partition> -o nosvc <mount point>
2269  * can be used for that.
2270  *
2271  * llogs for MDTs and clients are processed. All
2272  * records copied as is except add_uuid and setup. This records
2273  * are skipped and recorded with new nids and uuid.
2274  *
2275  * \see mgs_replace_nids
2276  * \see mgs_replace_nids_log
2277  * \see mgs_replace_handler
2278  */
2279 int jt_replace_nids(int argc, char **argv)
2280 {
2281         int rc;
2282         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2283         struct obd_ioctl_data data;
2284
2285         memset(&data, 0, sizeof(data));
2286         data.ioc_dev = get_mgs_device();
2287         if (argc != 3)
2288                 return CMD_HELP;
2289
2290         data.ioc_inllen1 = strlen(argv[1]) + 1;
2291         data.ioc_inlbuf1 = argv[1];
2292
2293         data.ioc_inllen2 = strlen(argv[2]) + 1;
2294         data.ioc_inlbuf2 = argv[2];
2295         memset(buf, 0, sizeof(rawbuf));
2296         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2297         if (rc) {
2298                 fprintf(stderr, "error: %s: invalid ioctl\n",
2299                         jt_cmdname(argv[0]));
2300                 return rc;
2301         }
2302
2303         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_REPLACE_NIDS, buf);
2304         if (rc < 0) {
2305                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2306                         strerror(rc = errno));
2307         }
2308
2309         return rc;
2310 }
2311
2312 int jt_obd_deactivate(int argc, char **argv)
2313 {
2314         return do_activate(argc, argv, 0);
2315 }
2316
2317 int jt_obd_activate(int argc, char **argv)
2318 {
2319         return do_activate(argc, argv, 1);
2320 }
2321
2322 int jt_obd_recover(int argc, char **argv)
2323 {
2324         int rc;
2325         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2326         struct obd_ioctl_data data;
2327
2328         memset(&data, 0, sizeof(data));
2329         data.ioc_dev = cur_device;
2330         if (argc > 2)
2331                 return CMD_HELP;
2332
2333         if (argc == 2) {
2334                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2335                 data.ioc_inlbuf1 = argv[1];
2336         }
2337
2338         memset(buf, 0, sizeof(rawbuf));
2339         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2340         if (rc) {
2341                 fprintf(stderr, "error: %s: invalid ioctl\n",
2342                         jt_cmdname(argv[0]));
2343                 return rc;
2344         }
2345         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
2346         if (rc < 0) {
2347                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2348                         strerror(rc = errno));
2349         }
2350
2351         return rc;
2352 }
2353
2354 int jt_obd_mdc_lookup(int argc, char **argv)
2355 {
2356         struct obd_ioctl_data data;
2357         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2358         char *parent, *child;
2359         int rc, fd, verbose = 1;
2360
2361         if (argc < 3 || argc > 4)
2362                 return CMD_HELP;
2363
2364         parent = argv[1];
2365         child = argv[2];
2366         if (argc == 4)
2367                 verbose = get_verbose(argv[0], argv[3]);
2368
2369         memset(&data, 0, sizeof(data));
2370         data.ioc_dev = cur_device;
2371
2372         data.ioc_inllen1 = strlen(child) + 1;
2373         data.ioc_inlbuf1 = child;
2374
2375         memset(buf, 0, sizeof(rawbuf));
2376         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2377         if (rc) {
2378                 fprintf(stderr, "error: %s: invalid ioctl\n",
2379                         jt_cmdname(argv[0]));
2380                 return rc;
2381         }
2382
2383         fd = open(parent, O_RDONLY);
2384         if (fd < 0) {
2385                 fprintf(stderr, "open \"%s\" failed: %s\n", parent,
2386                         strerror(errno));
2387                 return -1;
2388         }
2389
2390         rc = ioctl(fd, IOC_MDC_LOOKUP, buf);
2391         if (rc < 0) {
2392                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2393                         jt_cmdname(argv[0]), strerror(rc = errno));
2394         }
2395         close(fd);
2396
2397         if (verbose) {
2398                 rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
2399                 if (rc) {
2400                         fprintf(stderr, "error: %s: invalid reply\n",
2401                                 jt_cmdname(argv[0]));
2402                         return rc;
2403                 }
2404                 printf("%s: mode %o uid %d gid %d\n", child,
2405                        data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
2406                        data.ioc_obdo1.o_gid);
2407         }
2408
2409         return rc;
2410 }
2411
2412 int jt_llog_catlist(int argc, char **argv)
2413 {
2414         struct obd_ioctl_data data;
2415         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2416         int rc;
2417
2418         if (argc != 1)
2419                 return CMD_HELP;
2420
2421         memset(&data, 0, sizeof(data));
2422         data.ioc_dev = cur_device;
2423         data.ioc_inllen1 = sizeof(rawbuf) - cfs_size_round(sizeof(data));
2424         memset(buf, 0, sizeof(rawbuf));
2425         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2426         if (rc) {
2427                 fprintf(stderr, "error: %s: invalid ioctl\n",
2428                         jt_cmdname(argv[0]));
2429                 return rc;
2430         }
2431         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
2432         if (rc == 0)
2433                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2434         else
2435                 fprintf(stderr, "OBD_IOC_CATLOGLIST failed: %s\n",
2436                         strerror(errno));
2437
2438         return rc;
2439 }
2440
2441 int jt_llog_info(int argc, char **argv)
2442 {
2443         struct obd_ioctl_data data;
2444         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2445         int rc;
2446
2447         if (argc != 2)
2448                 return CMD_HELP;
2449
2450         memset(&data, 0, sizeof(data));
2451         data.ioc_dev = cur_device;
2452         data.ioc_inllen1 = strlen(argv[1]) + 1;
2453         data.ioc_inlbuf1 = argv[1];
2454         data.ioc_inllen2 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2455                 cfs_size_round(data.ioc_inllen1);
2456         memset(buf, 0, sizeof(rawbuf));
2457         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2458         if (rc) {
2459                 fprintf(stderr, "error: %s: invalid ioctl\n",
2460                         jt_cmdname(argv[0]));
2461                 return rc;
2462         }
2463
2464         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
2465         if (rc == 0)
2466                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2467         else
2468                 fprintf(stderr, "OBD_IOC_LLOG_INFO failed: %s\n",
2469                         strerror(errno));
2470
2471         return rc;
2472 }
2473
2474 int jt_llog_print(int argc, char **argv)
2475 {
2476         struct obd_ioctl_data data;
2477         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2478         int rc;
2479
2480         if (argc != 2 && argc != 4)
2481                 return CMD_HELP;
2482
2483         memset(&data, 0, sizeof(data));
2484         data.ioc_dev = cur_device;
2485         data.ioc_inllen1 = strlen(argv[1]) + 1;
2486         data.ioc_inlbuf1 = argv[1];
2487         if (argc == 4) {
2488                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2489                 data.ioc_inlbuf2 = argv[2];
2490                 data.ioc_inllen3 = strlen(argv[3]) + 1;
2491                 data.ioc_inlbuf3 = argv[3];
2492         } else {
2493                 char from[2] = "1", to[3] = "-1";
2494                 data.ioc_inllen2 = strlen(from) + 1;
2495                 data.ioc_inlbuf2 = from;
2496                 data.ioc_inllen3 = strlen(to) + 1;
2497                 data.ioc_inlbuf3 = to;
2498         }
2499         data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2500                 cfs_size_round(data.ioc_inllen1) -
2501                 cfs_size_round(data.ioc_inllen2) -
2502                 cfs_size_round(data.ioc_inllen3);
2503         memset(buf, 0, sizeof(rawbuf));
2504         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2505         if (rc) {
2506                 fprintf(stderr, "error: %s: invalid ioctl\n",
2507                         jt_cmdname(argv[0]));
2508                 return rc;
2509         }
2510
2511         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
2512         if (rc == 0)
2513                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2514         else
2515                 fprintf(stderr, "OBD_IOC_LLOG_PRINT failed: %s\n",
2516                         strerror(errno));
2517
2518         return rc;
2519 }
2520
2521 static int llog_cancel_parse_optional(int argc, char **argv,
2522                                       struct obd_ioctl_data *data)
2523 {
2524         int cOpt;
2525         const char *const short_options = "c:l:i:h";
2526         const struct option long_options[] = {
2527                 {"catalog", required_argument, NULL, 'c'},
2528                 {"log_id", required_argument, NULL, 'l'},
2529                 {"log_idx", required_argument, NULL, 'i'},
2530                 {"help", no_argument, NULL, 'h'},
2531                 {NULL, 0, NULL, 0}
2532         };
2533
2534         /* sanity check */
2535         if (!data || argc <= 1) {
2536                 return -1;
2537         }
2538
2539         /*now process command line arguments*/
2540         while ((cOpt = getopt_long(argc, argv, short_options,
2541                                         long_options, NULL)) != -1) {
2542                 switch (cOpt) {
2543                 case 'c':
2544                         data->ioc_inllen1 = strlen(optarg) + 1;
2545                         data->ioc_inlbuf1 = optarg;
2546                         break;
2547
2548                 case 'l':
2549                         data->ioc_inllen2 = strlen(optarg) + 1;
2550                         data->ioc_inlbuf2 = optarg;
2551                         break;
2552
2553                 case 'i':
2554                         data->ioc_inllen3 = strlen(optarg) + 1;
2555                         data->ioc_inlbuf3 = optarg;
2556                         break;
2557
2558                 case 'h':
2559                 default:
2560                         return -1;
2561                 }
2562         }
2563
2564         if ((data->ioc_inlbuf1 == NULL) || (data->ioc_inlbuf3 == NULL)) {
2565                 /* missing mandatory parameters */
2566                 return -1;
2567         }
2568
2569         return 0;
2570 }
2571
2572 int jt_llog_cancel(int argc, char **argv)
2573 {
2574         struct obd_ioctl_data data;
2575         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2576         int rc, i;
2577
2578         /* check that the arguments provided are either all
2579          * optional or all positional.  No mixing allowed
2580          *
2581          * if argc is 4 or 3 then check all arguments to ensure that none
2582          * of them start with a '-'.  If so then this is invalid.
2583          * Otherwise if arg is > 4 then assume that this is optional
2584          * arguments, and parse as such ignoring any thing that's not
2585          * optional.  The result is that user must use optional arguments
2586          * for all mandatory parameters.  Code will ignore all other args
2587          *
2588          * The positional arguments option should eventually be phased out.
2589          */
2590         memset(&data, 0, sizeof(data));
2591         data.ioc_dev = cur_device;
2592
2593         if (argc == 3 || argc == 4) {
2594                 for (i = 1; i < argc; i++) {
2595                         if (argv[i][0] == '-')
2596                                 return CMD_HELP;
2597                 }
2598                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2599                 data.ioc_inlbuf1 = argv[1];
2600                 if (argc == 4) {
2601                         data.ioc_inllen2 = strlen(argv[2]) + 1;
2602                         data.ioc_inlbuf2 = argv[2];
2603                         data.ioc_inllen3 = strlen(argv[3]) + 1;
2604                         data.ioc_inlbuf3 = argv[3];
2605                 } else {
2606                         data.ioc_inllen3 = strlen(argv[2]) + 1;
2607                         data.ioc_inlbuf3 = argv[2];
2608                 }
2609         } else {
2610                 if (llog_cancel_parse_optional(argc, argv, &data) != 0)
2611                         return CMD_HELP;
2612         }
2613
2614         memset(buf, 0, sizeof(rawbuf));
2615         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2616         if (rc) {
2617                 fprintf(stderr, "error: %s: invalid ioctl\n",
2618                         jt_cmdname(argv[0]));
2619                 return rc;
2620         }
2621
2622         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
2623         if (rc == 0)
2624                 fprintf(stdout, "index %s was canceled.\n",
2625                         argc == 4 ? argv[3] : argv[2]);
2626         else
2627                 fprintf(stderr, "OBD_IOC_LLOG_CANCEL failed: %s\n",
2628                         strerror(errno));
2629
2630         return rc;
2631 }
2632
2633 int jt_llog_check(int argc, char **argv)
2634 {
2635         struct obd_ioctl_data data;
2636         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2637         int rc;
2638
2639         if (argc != 2 && argc != 4)
2640                 return CMD_HELP;
2641
2642         memset(&data, 0, sizeof(data));
2643         data.ioc_dev = cur_device;
2644         data.ioc_inllen1 = strlen(argv[1]) + 1;
2645         data.ioc_inlbuf1 = argv[1];
2646         if (argc == 4) {
2647                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2648                 data.ioc_inlbuf2 = argv[2];
2649                 data.ioc_inllen3 = strlen(argv[3]) + 1;
2650                 data.ioc_inlbuf3 = argv[3];
2651         } else {
2652                 char from[2] = "1", to[3] = "-1";
2653                 data.ioc_inllen2 = strlen(from) + 1;
2654                 data.ioc_inlbuf2 = from;
2655                 data.ioc_inllen3 = strlen(to) + 1;
2656                 data.ioc_inlbuf3 = to;
2657         }
2658         data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2659                 cfs_size_round(data.ioc_inllen1) -
2660                 cfs_size_round(data.ioc_inllen2) -
2661                 cfs_size_round(data.ioc_inllen3);
2662         memset(buf, 0, sizeof(rawbuf));
2663         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2664         if (rc) {
2665                 fprintf(stderr, "error: %s: invalid ioctl\n",
2666                         jt_cmdname(argv[0]));
2667                 return rc;
2668         }
2669
2670         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
2671         if (rc == 0)
2672                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2673         else
2674                 fprintf(stderr, "OBD_IOC_LLOG_CHECK failed: %s\n",
2675                         strerror(errno));
2676         return rc;
2677 }
2678
2679 int jt_llog_remove(int argc, char **argv)
2680 {
2681         struct obd_ioctl_data data;
2682         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2683         int rc;
2684
2685         if (argc != 3 && argc != 2)
2686                 return CMD_HELP;
2687
2688         memset(&data, 0, sizeof(data));
2689         data.ioc_dev = cur_device;
2690         data.ioc_inllen1 = strlen(argv[1]) + 1;
2691         data.ioc_inlbuf1 = argv[1];
2692         if (argc == 3){
2693                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2694                 data.ioc_inlbuf2 = argv[2];
2695         }
2696         memset(buf, 0, sizeof(rawbuf));
2697         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2698         if (rc) {
2699                 fprintf(stderr, "error: %s: invalid ioctl\n",
2700                         jt_cmdname(argv[0]));
2701                 return rc;
2702         }
2703
2704         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
2705         if (rc == 0) {
2706                 if (argc == 2)
2707                         fprintf(stdout, "log %s is removed.\n", argv[1]);
2708                 else
2709                         fprintf(stdout, "the log in catalog %s is removed. \n",
2710                                 argv[1]);
2711         } else
2712                 fprintf(stderr, "OBD_IOC_LLOG_REMOVE failed: %s\n",
2713                         strerror(errno));
2714
2715         return rc;
2716 }
2717
2718 /* attach a regular file to virtual block device.
2719  * return vaule:
2720  *  -1: fatal error
2721  *  1: error, it always means the command run failed
2722  *  0: success
2723  */
2724 static int jt_blockdev_run_process(const char *file, char *argv[])
2725 {
2726         pid_t pid;
2727         int rc;
2728
2729         pid = vfork();
2730         if (pid == 0) { /* child process */
2731                 /* don't print error messages */
2732                 close(1), close(2);
2733                 (void)execvp(file, argv);
2734                 exit(-1);
2735         } else if (pid > 0) {
2736                 int status;
2737
2738                 rc = waitpid(pid, &status, 0);
2739                 if (rc < 0 || !WIFEXITED(status))
2740                         return -1;
2741
2742                 return WEXITSTATUS(status);
2743         }
2744
2745         return -1;
2746 }
2747
2748 static int jt_blockdev_find_module(const char *module)
2749 {
2750         FILE *fp;
2751         int found = 0;
2752         char buf[1024];
2753         char *ptr;
2754
2755         fp = fopen("/proc/modules", "r");
2756         if (fp == NULL)
2757                 return -1;
2758
2759         while (fgets(buf, 1024, fp) != NULL) {
2760                 ptr = strchr(buf, ' ');
2761                 if (ptr != NULL)
2762                         *ptr = 0;
2763                 if (strcmp(module, buf) == 0) {
2764                         found = 1;
2765                         break;
2766                 }
2767         }
2768         fclose(fp);
2769
2770         return found;
2771 }
2772
2773 static int jt_blockdev_probe_module(const char *module)
2774 {
2775         char buf[1024];
2776         char *argv[10];
2777         int c, rc;
2778
2779         if (jt_blockdev_find_module(module) == 1)
2780                 return 0;
2781
2782         /* run modprobe first */
2783         c = 0;
2784         argv[c++] = "/sbin/modprobe";
2785         argv[c++] = "-q";
2786         argv[c++] = (char *)module;
2787         argv[c++] = NULL;
2788         rc = jt_blockdev_run_process("modprobe", argv);
2789         if (rc != 1)
2790                 return rc;
2791
2792         /* cannot find the module in default directory ... */
2793         sprintf(buf, "../llite/%s.ko", module);
2794         c = 0;
2795         argv[c++] = "/sbin/insmod";
2796         argv[c++] = buf;
2797         argv[c++] = NULL;
2798         rc = jt_blockdev_run_process("insmod", argv);
2799         return rc ? -1 : 0;
2800 }
2801
2802 int jt_blockdev_attach(int argc, char **argv)
2803 {
2804         int rc, fd;
2805         struct stat st;
2806         char *filename, *devname;
2807         unsigned long dev;
2808
2809         if (argc != 3)
2810                 return CMD_HELP;
2811
2812         if (jt_blockdev_probe_module("llite_lloop") < 0) {
2813                 fprintf(stderr, "error: cannot find module llite_lloop.(k)o\n");
2814                 return ENOENT;
2815         }
2816
2817         filename = argv[1];
2818         devname = argv[2];
2819
2820         fd = open(filename, O_RDWR);
2821         if (fd < 0) {
2822                 fprintf(stderr, "file %s can't be opened(%s)\n\n",
2823                         filename, strerror(errno));
2824                 return CMD_HELP;
2825         }
2826
2827         rc = ioctl(fd, LL_IOC_LLOOP_ATTACH, &dev);
2828         if (rc < 0) {
2829                 rc = errno;
2830                 fprintf(stderr, "attach error(%s)\n", strerror(rc));
2831                 goto out;
2832         }
2833
2834         rc = stat(devname, &st);
2835         if (rc == 0 && (!S_ISBLK(st.st_mode) || st.st_rdev != dev)) {
2836                 rc = EEXIST;
2837         } else if (rc < 0) {
2838                 if (errno == ENOENT &&
2839                     !mknod(devname, S_IFBLK|S_IRUSR|S_IWUSR, dev))
2840                         rc = 0;
2841                 else
2842                         rc = errno;
2843         }
2844
2845         if (rc) {
2846                 fprintf(stderr, "error: the file %s could be attached to block "
2847                                 "device %X but creating %s failed: %s\n"
2848                                 "now detaching the block device..",
2849                         filename, (int)dev, devname, strerror(rc));
2850
2851                 (void)ioctl(fd, LL_IOC_LLOOP_DETACH_BYDEV, dev);
2852                 fprintf(stderr, "%s\n", strerror(errno));
2853         }
2854 out:
2855         close(fd);
2856         return -rc;
2857 }
2858
2859 int jt_blockdev_detach(int argc, char **argv)
2860 {
2861         char *filename;
2862         int rc, fd;
2863
2864         if (argc != 2)
2865                 return CMD_HELP;
2866
2867         filename = argv[1];
2868         fd = open(filename, O_RDONLY);
2869         if (fd < 0) {
2870                 fprintf(stderr, "cannot open file %s error %s\n",
2871                         filename, strerror(errno));
2872                 return CMD_HELP;
2873         }
2874
2875         rc = ioctl(fd, LL_IOC_LLOOP_DETACH, 0);
2876         if (rc < 0) {
2877                 rc = errno;
2878                 fprintf(stderr, "detach error(%s)\n", strerror(rc));
2879         } else {
2880                 (void)unlink(filename);
2881         }
2882
2883         close(fd);
2884         return -rc;
2885 }
2886
2887 int jt_blockdev_info(int argc, char **argv)
2888 {
2889         char *filename;
2890         int rc, fd;
2891         struct lu_fid fid;
2892
2893         if (argc != 2)
2894                 return CMD_HELP;
2895
2896         filename = argv[1];
2897         fd = open(filename, O_RDONLY);
2898         if (fd < 0) {
2899                 fprintf(stderr, "cannot open file %s error: %s\n",
2900                         filename, strerror(errno));
2901                 return CMD_HELP;
2902         }
2903
2904         rc = ioctl(fd, LL_IOC_LLOOP_INFO, &fid);
2905         if (rc < 0) {
2906                 rc = errno;
2907                 fprintf(stderr, "error: %s\n", strerror(errno));
2908                 goto out;
2909         }
2910         fprintf(stdout, "lloop device info: ");
2911         if (fid_is_zero(&fid))
2912                 fprintf(stdout, "Not attached\n");
2913         else
2914                 fprintf(stdout, "attached to inode "DFID"\n", PFID(&fid));
2915 out:
2916         close(fd);
2917         return -rc;
2918 }
2919
2920 static void signal_server(int sig)
2921 {
2922         if (sig == SIGINT) {
2923                 do_disconnect("sigint", 1);
2924                 exit(1);
2925         } else
2926                 fprintf(stderr, "%s: got signal %d\n", jt_cmdname("sigint"), sig);
2927 }
2928
2929 int obd_initialize(int argc, char **argv)
2930 {
2931         if (shmem_setup() != 0)
2932                 return -1;
2933
2934         register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH,
2935                          OBD_DEV_MAJOR, OBD_DEV_MINOR);
2936
2937         return 0;
2938 }
2939
2940 void obd_finalize(int argc, char **argv)
2941 {
2942         struct sigaction sigact;
2943
2944         /* sigact initialization */
2945         sigact.sa_handler = signal_server;
2946         sigfillset(&sigact.sa_mask);
2947         sigact.sa_flags = SA_RESTART;
2948         /* coverity[uninit_use_in_call] */
2949         sigaction(SIGINT, &sigact, NULL);
2950
2951         shmem_cleanup();
2952         do_disconnect(argv[0], 1);
2953 }
2954
2955 static int check_pool_cmd(enum lcfg_command_type cmd,
2956                           char *fsname, char *poolname,
2957                           char *ostname)
2958 {
2959         int rc;
2960
2961         rc = llapi_search_ost(fsname, poolname, ostname);
2962         if (rc < 0 && (cmd != LCFG_POOL_NEW)) {
2963                 fprintf(stderr, "Pool %s.%s not found\n",
2964                         fsname, poolname);
2965                 return rc;
2966         }
2967
2968         switch (cmd) {
2969         case LCFG_POOL_NEW: {
2970                 LASSERT(ostname == NULL);
2971                 if (rc >= 0) {
2972                         fprintf(stderr, "Pool %s.%s already exists\n",
2973                                 fsname, poolname);
2974                         return -EEXIST;
2975                 }
2976                 return 0;
2977         }
2978         case LCFG_POOL_DEL: {
2979                 LASSERT(ostname == NULL);
2980                 if (rc == 1) {
2981                         fprintf(stderr, "Pool %s.%s not empty, "
2982                                 "please remove all members\n",
2983                                 fsname, poolname);
2984                         return -ENOTEMPTY;
2985                 }
2986                 return 0;
2987         }
2988         case LCFG_POOL_ADD: {
2989                 if (rc == 1) {
2990                         fprintf(stderr, "OST %s is already in pool %s.%s\n",
2991                                 ostname, fsname, poolname);
2992                         return -EEXIST;
2993                 }
2994                 rc = llapi_search_ost(fsname, NULL, ostname);
2995                 if (rc == 0) {
2996                         fprintf(stderr, "OST %s is not part of the '%s' fs.\n",
2997                                 ostname, fsname);
2998                         return -ENOENT;
2999                 }
3000                 return 0;
3001         }
3002         case LCFG_POOL_REM: {
3003                 if (rc == 0) {
3004                         fprintf(stderr, "OST %s not found in pool %s.%s\n",
3005                                 ostname, fsname, poolname);
3006                         return -ENOENT;
3007                 }
3008                 return 0;
3009         }
3010         default:
3011                 break;
3012         } /* switch */
3013         return -EINVAL;
3014 }
3015
3016 /* This check only verifies that the changes have been "pushed out" to
3017    the client successfully.  This involves waiting for a config update,
3018    and so may fail because of problems in that code or post-command
3019    network loss. So reporting a warning is appropriate, but not a failure.
3020 */
3021 static int check_pool_cmd_result(enum lcfg_command_type cmd,
3022                                  char *fsname, char *poolname,
3023                                  char *ostname)
3024 {
3025         int cpt = 10;
3026         int rc = 0;
3027
3028         switch (cmd) {
3029         case LCFG_POOL_NEW: {
3030                 do {
3031                         rc = llapi_search_ost(fsname, poolname, NULL);
3032                         if (rc == -ENODEV)
3033                                 return rc;
3034                         if (rc < 0)
3035                                 sleep(2);
3036                         cpt--;
3037                 } while ((rc < 0) && (cpt > 0));
3038                 if (rc >= 0) {
3039                         fprintf(stderr, "Pool %s.%s created\n",
3040                                 fsname, poolname);
3041                         return 0;
3042                 } else {
3043                         fprintf(stderr, "Warning, pool %s.%s not found\n",
3044                                 fsname, poolname);
3045                         return -ENOENT;
3046                 }
3047         }
3048         case LCFG_POOL_DEL: {
3049                 do {
3050                         rc = llapi_search_ost(fsname, poolname, NULL);
3051                         if (rc == -ENODEV)
3052                                 return rc;
3053                         if (rc >= 0)
3054                                 sleep(2);
3055                         cpt--;
3056                 } while ((rc >= 0) && (cpt > 0));
3057                 if (rc < 0) {
3058                         fprintf(stderr, "Pool %s.%s destroyed\n",
3059                                 fsname, poolname);
3060                         return 0;
3061                 } else {
3062                         fprintf(stderr, "Warning, pool %s.%s still found\n",
3063                                 fsname, poolname);
3064                         return -EEXIST;
3065                 }
3066         }
3067         case LCFG_POOL_ADD: {
3068                 do {
3069                         rc = llapi_search_ost(fsname, poolname, ostname);
3070                         if (rc == -ENODEV)
3071                                 return rc;
3072                         if (rc != 1)
3073                                 sleep(2);
3074                         cpt--;
3075                 } while ((rc != 1) && (cpt > 0));
3076                 if (rc == 1) {
3077                         fprintf(stderr, "OST %s added to pool %s.%s\n",
3078                                 ostname, fsname, poolname);
3079                         return 0;
3080                 } else {
3081                         fprintf(stderr, "Warning, OST %s not found in pool %s.%s\n",
3082                                 ostname, fsname, poolname);
3083                         return -ENOENT;
3084                 }
3085         }
3086         case LCFG_POOL_REM: {
3087                 do {
3088                         rc = llapi_search_ost(fsname, poolname, ostname);
3089                         if (rc == -ENODEV)
3090                                 return rc;
3091                         if (rc == 1)
3092                                 sleep(2);
3093                         cpt--;
3094                 } while ((rc == 1) && (cpt > 0));
3095                 if (rc != 1) {
3096                         fprintf(stderr, "OST %s removed from pool %s.%s\n",
3097                                 ostname, fsname, poolname);
3098                         return 0;
3099                 } else {
3100                         fprintf(stderr, "Warning, OST %s still found in pool %s.%s\n",
3101                                 ostname, fsname, poolname);
3102                         return -EEXIST;
3103                 }
3104         }
3105         default:
3106                 break;
3107         }
3108         return -EINVAL;
3109 }
3110
3111 static int check_and_complete_ostname(char *fsname, char *ostname)
3112 {
3113         char *ptr;
3114         char real_ostname[MAX_OBD_NAME + 1];
3115         char i;
3116
3117         /* if OST name does not start with fsname, we add it */
3118         /* if not check if the fsname is the right one */
3119         ptr = strchr(ostname, '-');
3120         if (ptr == NULL) {
3121                 sprintf(real_ostname, "%s-%s", fsname, ostname);
3122         } else if (strncmp(ostname, fsname, strlen(fsname)) != 0) {
3123                 fprintf(stderr, "%s does not start with fsname %s\n",
3124                         ostname, fsname);
3125                 return -EINVAL;
3126         } else {
3127                 if (strlen(ostname) > sizeof(real_ostname)-1)
3128                         return -E2BIG;
3129                 strncpy(real_ostname, ostname, sizeof(real_ostname));
3130         }
3131         /* real_ostname is fsname-????? */
3132         ptr = real_ostname + strlen(fsname) + 1;
3133         if (strncmp(ptr, "OST", 3) != 0) {
3134                 fprintf(stderr, "%s does not start by %s-OST nor OST\n",
3135                         ostname, fsname);
3136                 return -EINVAL;
3137         }
3138         /* real_ostname is fsname-OST????? */
3139         ptr += 3;
3140         for (i = 0; i < 4; i++) {
3141                 if (!isxdigit(*ptr)) {
3142                         fprintf(stderr,
3143                                 "ost's index in %s is not an hexa number\n",
3144                                 ostname);
3145                         return -EINVAL;
3146                 }
3147                 ptr++;
3148         }
3149         /* real_ostname is fsname-OSTXXXX????? */
3150         /* if OST name does not end with _UUID, we add it */
3151         if (*ptr == '\0') {
3152                 strcat(real_ostname, "_UUID");
3153         } else if (strcmp(ptr, "_UUID") != 0) {
3154                 fprintf(stderr,
3155                         "ostname %s does not end with _UUID\n", ostname);
3156                 return -EINVAL;
3157         }
3158         /* real_ostname is fsname-OSTXXXX_UUID */
3159         strcpy(ostname, real_ostname);
3160         return 0;
3161 }
3162
3163 /* returns 0 or -errno */
3164 static int pool_cmd(enum lcfg_command_type cmd,
3165                     char *cmdname, char *fullpoolname,
3166                     char *fsname, char *poolname, char *ostname)
3167 {
3168         int rc = 0;
3169         struct obd_ioctl_data data;
3170         struct lustre_cfg_bufs bufs;
3171         struct lustre_cfg *lcfg;
3172         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
3173
3174         rc = check_pool_cmd(cmd, fsname, poolname, ostname);
3175         if (rc == -ENODEV)
3176                 fprintf(stderr, "Can't verify pool command since there "
3177                         "is no local MDT or client, proceeding anyhow...\n");
3178         else if (rc)
3179                 return rc;
3180
3181         lustre_cfg_bufs_reset(&bufs, NULL);
3182         lustre_cfg_bufs_set_string(&bufs, 0, cmdname);
3183         lustre_cfg_bufs_set_string(&bufs, 1, fullpoolname);
3184         if (ostname != NULL)
3185                 lustre_cfg_bufs_set_string(&bufs, 2, ostname);
3186
3187         lcfg = lustre_cfg_new(cmd, &bufs);
3188         if (lcfg == NULL)
3189                 return -ENOMEM;
3190
3191         memset(&data, 0, sizeof(data));
3192         rc = data.ioc_dev = get_mgs_device();
3193         if (rc < 0)
3194                 goto out;
3195
3196         data.ioc_type = LUSTRE_CFG_TYPE;
3197         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3198                                         lcfg->lcfg_buflens);
3199         data.ioc_pbuf1 = (void *)lcfg;
3200
3201         memset(buf, 0, sizeof(rawbuf));
3202         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
3203         if (rc) {
3204                 fprintf(stderr, "error: %s: invalid ioctl\n",
3205                         jt_cmdname(cmdname));
3206                 lustre_cfg_free(lcfg);
3207                 return rc;
3208         }
3209         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_POOL, buf);
3210 out:
3211         if (rc)
3212                 rc = -errno;
3213         lustre_cfg_free(lcfg);
3214         return rc;
3215 }
3216
3217 /**
3218  * Format and send the ioctl to the MGS.
3219  *
3220  * \param       cmd             IOCTL to send
3221  * \param       ret_data        void pointer to return anything from
3222  *                              ioctl
3223  * \param       num_args        number of arguments to pack into the
3224  *                              ioctl buffer
3225  * \param       argv[]          variable number of string arguments
3226  *
3227  * \retval                      0 on success
3228  */
3229 static int nodemap_cmd(enum lcfg_command_type cmd, void *ret_data,
3230                        unsigned int ret_size, ...)
3231 {
3232         va_list                 ap;
3233         char                    *arg;
3234         int                     i = 0;
3235         struct lustre_cfg_bufs  bufs;
3236         struct obd_ioctl_data   data;
3237         struct lustre_cfg       *lcfg;
3238         char                    rawbuf[MAX_IOC_BUFLEN];
3239         char                    *buf = rawbuf;
3240         int                     rc = 0;
3241
3242         lustre_cfg_bufs_reset(&bufs, NULL);
3243
3244         va_start(ap, ret_size);
3245         arg = va_arg(ap, char *);
3246         while (arg != NULL) {
3247                 lustre_cfg_bufs_set_string(&bufs, i, arg);
3248                 i++;
3249                 arg = va_arg(ap, char *);
3250         }
3251         va_end(ap);
3252
3253         lcfg = lustre_cfg_new(cmd, &bufs);
3254         if (lcfg == NULL)
3255                 return -ENOMEM;
3256
3257         memset(&data, 0, sizeof(data));
3258         rc = data.ioc_dev = get_mgs_device();
3259         if (rc < 0)
3260                 goto out;
3261
3262         data.ioc_type = LUSTRE_CFG_TYPE;
3263         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3264                          lcfg->lcfg_buflens);
3265         data.ioc_pbuf1 = (void *)lcfg;
3266
3267         memset(buf, 0, sizeof(rawbuf));
3268         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
3269         if (rc != 0) {
3270                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3271                                "rc=%d\n", cmd, errno, rc);
3272                 goto out;
3273         }
3274
3275         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_NODEMAP, buf);
3276         if (rc != 0) {
3277                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3278                                "rc=%d\n", cmd, errno, rc);
3279                 goto out;
3280         }
3281
3282         if (ret_data != NULL) {
3283                 rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
3284                 if (rc != 0)
3285                         goto out;
3286
3287                 if (ret_size > data.ioc_plen1)
3288                         ret_size = data.ioc_plen1;
3289
3290                 memcpy(ret_data, data.ioc_pbuf1, ret_size);
3291         }
3292 out:
3293         lustre_cfg_free(lcfg);
3294
3295         return rc;
3296 }
3297
3298 /**
3299  * activate nodemap functions
3300  *
3301  * \param       argc            number of args
3302  * \param       argv[]          variable string arguments
3303  *
3304  * argv[0]                      1 for activate or 0 for deactivate
3305  *
3306  * \retval                      0 on success
3307  */
3308 int jt_nodemap_activate(int argc, char **argv)
3309 {
3310         int rc;
3311
3312         rc = nodemap_cmd(LCFG_NODEMAP_ACTIVATE, NULL, 0, argv[0], argv[1],
3313                          NULL);
3314
3315         if (rc != 0) {
3316                 errno = -rc;
3317                 perror(argv[0]);
3318         }
3319
3320         return rc;
3321 }
3322
3323 /**
3324  * add a nodemap
3325  *
3326  * \param       argc            number of args
3327  * \param       argv[]          variable string arguments
3328  *
3329  * argv[0]                      nodemap name
3330  *
3331  * \retval                      0 on success
3332  */
3333 int jt_nodemap_add(int argc, char **argv)
3334 {
3335         int rc;
3336
3337         rc = llapi_nodemap_exists(argv[1]);
3338         if (rc == 0) {
3339                 fprintf(stderr, "error: %s existing nodemap name\n", argv[1]);
3340                 return 1;
3341         }
3342
3343         rc = nodemap_cmd(LCFG_NODEMAP_ADD, NULL, 0, argv[0], argv[1], NULL);
3344
3345         if (rc != 0) {
3346                 errno = -rc;
3347                 perror(argv[0]);
3348         }
3349
3350         return rc;
3351 }
3352
3353 /**
3354  * delete a nodemap
3355  *
3356  * \param       argc            number of args
3357  * \param       argv[]          variable string arguments
3358  *
3359  * argv[0]                      nodemap name
3360  *
3361  * \retval                      0 on success
3362  */
3363 int jt_nodemap_del(int argc, char **argv)
3364 {
3365         int rc;
3366
3367         rc = llapi_nodemap_exists(argv[1]);
3368         if (rc != 0) {
3369                 fprintf(stderr, "error: %s not existing nodemap name\n",
3370                         argv[1]);
3371                 return rc;
3372         }
3373         rc = nodemap_cmd(LCFG_NODEMAP_DEL, NULL, 0, argv[0], argv[1], NULL);
3374
3375         if (rc != 0) {
3376                 errno = -rc;
3377                 perror(argv[0]);
3378         }
3379
3380         return rc;
3381 }
3382
3383 /**
3384  * test a nid for nodemap membership
3385  *
3386  * \param       argc            number of args
3387  * \param       argv[]          variable string arguments
3388  *
3389  * argv[0]                      properly formatted nid
3390  *
3391  * \retval                      0 on success
3392  */
3393 int jt_nodemap_test_nid(int argc, char **argv)
3394 {
3395
3396         char    rawbuf[MAX_IOC_BUFLEN];
3397         int     rc;
3398
3399         rc = nodemap_cmd(LCFG_NODEMAP_TEST_NID, &rawbuf, sizeof(rawbuf),
3400                          argv[0], argv[1], NULL);
3401         if (rc == 0)
3402                 printf("%s\n", (char *)rawbuf);
3403
3404         return rc;
3405 }
3406
3407 /**
3408  * test a nodemap id pair for mapping
3409  *
3410  * \param       argc            number of args
3411  * \param       argv[[]         variable string arguments
3412  *
3413  * \retval                      0 on success
3414  *
3415  * The argv array should contain the nodemap name, the id
3416  * to checking the mapping on, and the id type (UID or GID)
3417  *
3418  */
3419 int jt_nodemap_test_id(int argc, char **argv)
3420 {
3421         char    rawbuf[MAX_IOC_BUFLEN];
3422         char    *nidstr = NULL;
3423         char    *idstr = NULL;
3424         char    *typestr = NULL;
3425         int     rc = 0;
3426         int     c;
3427
3428         static struct option long_options[] = {
3429                 {
3430                         .name           = "nid",
3431                         .has_arg        = required_argument,
3432                         .flag           = 0,
3433                         .val            = 'n',
3434                 },
3435                 {
3436                         .name           = "idtype",
3437                         .has_arg        = required_argument,
3438                         .flag           = 0,
3439                         .val            = 't',
3440                 },
3441                 {
3442                         .name           = "id",
3443                         .has_arg        = required_argument,
3444                         .flag           = 0,
3445                         .val            = 'i',
3446                 },
3447                 {
3448                         NULL
3449                 }
3450         };
3451
3452         while ((c = getopt_long(argc, argv, "n:t:i:",
3453                                 long_options, NULL)) != -1) {
3454                 switch (c) {
3455                 case 'n':
3456                         nidstr = optarg;
3457                         break;
3458                 case 't':
3459                         typestr = optarg;
3460                         break;
3461                 case 'i':
3462                         idstr = optarg;
3463                         break;
3464                 }
3465         }
3466
3467         if (nidstr == NULL || typestr == NULL || idstr == NULL) {
3468                 fprintf(stderr, "usage: nodemap_test_id --nid <nid> "
3469                                 "--idtype [uid|gid] --id <id>\n");
3470                 return -1;
3471         }
3472
3473         rc = nodemap_cmd(LCFG_NODEMAP_TEST_ID, &rawbuf, sizeof(rawbuf),
3474                          argv[0], nidstr, typestr, idstr);
3475         if (rc == 0)
3476                 printf("%s\n", (char *)rawbuf);
3477
3478         return rc;
3479 }
3480
3481 /**
3482  * add an nid range to a nodemap
3483  *
3484  * \param       argc            number of args
3485  * \param       argv[]          variable string arguments
3486  *
3487  * --name                       nodemap name
3488  * --range                      properly formatted nid range
3489  *
3490  * \retval                      0 on success
3491  */
3492 int jt_nodemap_add_range(int argc, char **argv)
3493 {
3494         char                    *nodemap_name = NULL;
3495         char                    *nodemap_range = NULL;
3496         struct list_head        nidlist;
3497         char                    min_nid[LNET_NIDSTR_SIZE + 1];
3498         char                    max_nid[LNET_NIDSTR_SIZE + 1];
3499         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
3500         int                     rc = 0;
3501         int                     c;
3502
3503         static struct option long_options[] = {
3504                 {
3505                         .name           = "name",
3506                         .has_arg        = required_argument,
3507                         .flag           = 0,
3508                         .val            = 'n',
3509                 },
3510                 {
3511                         .name           = "range",
3512                         .has_arg        = required_argument,
3513                         .flag           = 0,
3514                         .val            = 'r',
3515                 },
3516                 {
3517                         NULL
3518                 }
3519         };
3520
3521         INIT_LIST_HEAD(&nidlist);
3522
3523         while ((c = getopt_long(argc, argv, "n:r:",
3524                                 long_options, NULL)) != -1) {
3525                 switch (c) {
3526                 case 'n':
3527                         nodemap_name = optarg;
3528                         break;
3529                 case 'r':
3530                         nodemap_range = optarg;
3531                         break;
3532                 }
3533         }
3534
3535         if (nodemap_name == NULL || nodemap_range == NULL) {
3536                 fprintf(stderr, "usage: nodemap_add_range --name <name> "
3537                                 "--range <range>\n");
3538                 return -1;
3539         }
3540
3541         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
3542                               &nidlist) <= 0) {
3543                 fprintf(stderr, "error: %s: can't parse nid range: %s\n",
3544                         jt_cmdname(argv[0]), nodemap_range);
3545                 return -1;
3546         }
3547
3548         if (!cfs_nidrange_is_contiguous(&nidlist)) {
3549                 fprintf(stderr, "error: %s: nodemap ranges must be "
3550                         "contiguous\n", jt_cmdname(argv[0]));
3551                 return -1;
3552         }
3553
3554         cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
3555                                   LNET_NIDSTR_SIZE);
3556         snprintf(nid_range, sizeof(nid_range), "%s:%s", min_nid, max_nid);
3557
3558         rc = nodemap_cmd(LCFG_NODEMAP_ADD_RANGE, NULL, 0, argv[0],
3559                          nodemap_name, nid_range, NULL);
3560         if (rc != 0) {
3561                 errno = -rc;
3562                 fprintf(stderr, "error: %s: cannot add range '%s' to nodemap "
3563                                 "'%s': rc = %d\n",
3564                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
3565         }
3566
3567         return rc;
3568 }
3569
3570 /**
3571  * delete an nid range to a nodemap
3572  *
3573  * \param       argc            number of args
3574  * \param       argv[]          variable string arguments
3575  *
3576  * --name                       nodemap name
3577  * --range                      properly formatted nid range
3578  *
3579  * \retval                      0 on success
3580  */
3581 int jt_nodemap_del_range(int argc, char **argv)
3582 {
3583         char                    *nodemap_name = NULL;
3584         char                    *nodemap_range = NULL;
3585         struct list_head        nidlist;
3586         char                    min_nid[LNET_NIDSTR_SIZE + 1];
3587         char                    max_nid[LNET_NIDSTR_SIZE + 1];
3588         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
3589         int                     rc = 0;
3590         int                     c;
3591
3592         static struct option long_options[] = {
3593                 {
3594                         .name           = "name",
3595                         .has_arg        = required_argument,
3596                         .flag           = 0,
3597                         .val            = 'n',
3598                 },
3599                 {
3600                         .name           = "range",
3601                         .has_arg        = required_argument,
3602                         .flag           = 0,
3603                         .val            = 'r',
3604                 },
3605                 {
3606                         NULL
3607                 }
3608         };
3609
3610         INIT_LIST_HEAD(&nidlist);
3611
3612         while ((c = getopt_long(argc, argv, "n:r:",
3613                                 long_options, NULL)) != -1) {
3614                 switch (c) {
3615                 case 'n':
3616                         nodemap_name = optarg;
3617                         break;
3618                 case 'r':
3619                         nodemap_range = optarg;
3620                         break;
3621                 }
3622         }
3623
3624         if (nodemap_name == NULL || nodemap_range == NULL) {
3625                 fprintf(stderr, "usage: nodemap_del_range --name <name> "
3626                                 "--range <range>\n");
3627                 return -1;
3628         }
3629
3630         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
3631                               &nidlist) <= 0) {
3632                 fprintf(stderr, "error: %s: can't parse nid range: %s\n",
3633                         jt_cmdname(argv[0]), nodemap_range);
3634                 return -1;
3635         }
3636
3637         if (!cfs_nidrange_is_contiguous(&nidlist)) {
3638                 fprintf(stderr, "error: %s: nodemap ranges must be "
3639                         "contiguous\n", jt_cmdname(argv[0]));
3640                 return -1;
3641         }
3642
3643         cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
3644                                   LNET_NIDSTR_SIZE);
3645         snprintf(nid_range, sizeof(nid_range), "%s:%s", min_nid, max_nid);
3646
3647         rc = nodemap_cmd(LCFG_NODEMAP_DEL_RANGE, NULL, 0, argv[0],
3648                          nodemap_name, nid_range, NULL);
3649         if (rc != 0) {
3650                 errno = -rc;
3651                 fprintf(stderr, "error: %s: cannot delete range '%s' to "
3652                                "nodemap '%s': rc = %d\n",
3653                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
3654         }
3655
3656         return rc;
3657 }
3658
3659 /**
3660  * modify a nodemap's behavior
3661  *
3662  * \param       argc            number of args
3663  * \param       argv[]          variable string arguments
3664  *
3665  * --name                       nodemap name
3666  * --property                   nodemap property to change
3667  *                              admin, trusted, squash_uid, squash_gid)
3668  * --value                      value to set property
3669  *
3670  * \retval                      0 on success
3671  */
3672 int jt_nodemap_modify(int argc, char **argv)
3673 {
3674         int                     c;
3675         int                     rc = 0;
3676         enum lcfg_command_type  cmd = 0;
3677         char                    *nodemap_name = NULL;
3678         char                    *param = NULL;
3679         char                    *value = NULL;
3680
3681         static struct option long_options[] = {
3682                 {
3683                         .name           = "name",
3684                         .has_arg        = required_argument,
3685                         .flag           = 0,
3686                         .val            = 'n',
3687                 },
3688                 {
3689                         .name           = "property",
3690                         .has_arg        = required_argument,
3691                         .flag           = 0,
3692                         .val            = 'p',
3693                 },
3694                 {
3695                         .name           = "value",
3696                         .has_arg        = required_argument,
3697                         .flag           = 0,
3698                         .val            = 'v',
3699                 },
3700                 {
3701                         NULL
3702                 }
3703         };
3704
3705         while ((c = getopt_long(argc, argv, "n:p:v:",
3706                                 long_options, NULL)) != -1) {
3707                 switch (c) {
3708                 case 'n':
3709                         nodemap_name = optarg;
3710                         break;
3711                 case 'p':
3712                         param = optarg;
3713                         break;
3714                 case 'v':
3715                         value = optarg;
3716                         break;
3717                 }
3718         }
3719
3720         if (nodemap_name == NULL || param == NULL || value == NULL) {
3721                 fprintf(stderr, "usage: nodemap_modify --name <nodemap_name> "
3722                                 "--property <property_name> --value <value>\n");
3723                 fprintf(stderr, "valid properties: admin trusted "
3724                                 "squash_uid squash_gid\n");
3725                 return -1;
3726         }
3727
3728         if (strcmp("admin", param) == 0) {
3729                 cmd = LCFG_NODEMAP_ADMIN;
3730         } else if (strcmp("trusted", param) == 0) {
3731                 cmd = LCFG_NODEMAP_TRUSTED;
3732         } else if (strcmp("squash_uid", param) == 0) {
3733                 cmd = LCFG_NODEMAP_SQUASH_UID;
3734         } else if (strcmp("squash_gid", param) == 0) {
3735                 cmd = LCFG_NODEMAP_SQUASH_GID;
3736         } else {
3737                 fprintf(stderr, "error: %s: nodemap_modify invalid "
3738                                 "subcommand: %s\n",
3739                         jt_cmdname(argv[0]), param);
3740                 return -1;
3741         }
3742
3743         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, param,
3744                          value, NULL);
3745         if (rc != 0) {
3746                 errno = -rc;
3747                 fprintf(stderr, "error: %s: cannot modify nodemap '%s' "
3748                                "to param '%s': value '%s': rc = %d\n",
3749                         jt_cmdname(argv[0]), nodemap_name, param, value, rc);
3750         }
3751
3752         return rc;
3753 }
3754
3755 int jt_nodemap_add_idmap(int argc, char **argv)
3756 {
3757         int                     c;
3758         enum                    lcfg_command_type cmd = 0;
3759         char                    *nodemap_name = NULL;
3760         char                    *idmap = NULL;
3761         char                    *idtype = NULL;
3762         int                     rc = 0;
3763
3764         static struct option long_options[] = {
3765                 {
3766                         .name           = "name",
3767                         .has_arg        = required_argument,
3768                         .flag           = 0,
3769                         .val            = 'n',
3770                 },
3771                 {
3772                         .name           = "idmap",
3773                         .has_arg        = required_argument,
3774                         .flag           = 0,
3775                         .val            = 'm',
3776                 },
3777                 {
3778                         .name           = "idtype",
3779                         .has_arg        = required_argument,
3780                         .flag           = 0,
3781                         .val            = 'i',
3782                 },
3783                 {
3784                         NULL
3785                 }
3786         };
3787
3788         while ((c = getopt_long(argc, argv, "n:m:i:",
3789                                 long_options, NULL)) != -1) {
3790                 switch (c) {
3791                 case 'n':
3792                         nodemap_name = optarg;
3793                         break;
3794                 case 'm':
3795                         idmap = optarg;
3796                         break;
3797                 case 'i':
3798                         idtype = optarg;
3799                         break;
3800                 }
3801         }
3802
3803         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
3804                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3805                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3806                 return -1;
3807         }
3808
3809         if (strcmp("uid", idtype) == 0) {
3810                 cmd = LCFG_NODEMAP_ADD_UIDMAP;
3811         } else if (strcmp("gid", idtype) == 0) {
3812                 cmd = LCFG_NODEMAP_ADD_GIDMAP;
3813         } else {
3814                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3815                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3816                 return -1;
3817         }
3818
3819         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
3820         if (rc != 0) {
3821                 errno = -rc;
3822                 fprintf(stderr, "cannot add %smap '%s' to nodemap '%s'"
3823                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
3824         }
3825
3826         return rc;
3827 }
3828
3829 int jt_nodemap_del_idmap(int argc, char **argv)
3830 {
3831         int                     c;
3832         enum                    lcfg_command_type cmd = 0;
3833         char                    *nodemap_name = NULL;
3834         char                    *idmap = NULL;
3835         char                    *idtype = NULL;
3836         int                     rc = 0;
3837
3838         static struct option long_options[] = {
3839                 {
3840                         .name           = "name",
3841                         .has_arg        = required_argument,
3842                         .flag           = 0,
3843                         .val            = 'n',
3844                 },
3845                 {
3846                         .name           = "idmap",
3847                         .has_arg        = required_argument,
3848                         .flag           = 0,
3849                         .val            = 'm',
3850                 },
3851                 {
3852                         .name           = "idtype",
3853                         .has_arg        = required_argument,
3854                         .flag           = 0,
3855                         .val            = 'i',
3856                 },
3857                 {
3858                         NULL
3859                 }
3860         };
3861
3862         while ((c = getopt_long(argc, argv, "n:m:i:",
3863                                 long_options, NULL)) != -1) {
3864                 switch (c) {
3865                 case 'n':
3866                         nodemap_name = optarg;
3867                         break;
3868                 case 'm':
3869                         idmap = optarg;
3870                         break;
3871                 case 'i':
3872                         idtype = optarg;
3873                         break;
3874                 }
3875         }
3876
3877         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
3878                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3879                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3880                 return -1;
3881         }
3882
3883         if (strcmp("uid", idtype) == 0)
3884                 cmd = LCFG_NODEMAP_DEL_UIDMAP;
3885         else
3886                 cmd = LCFG_NODEMAP_DEL_GIDMAP;
3887
3888         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
3889         if (rc != 0) {
3890                 errno = -rc;
3891                 fprintf(stderr, "cannot delete %smap '%s' from nodemap '%s'"
3892                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
3893         }
3894
3895         return rc;
3896 }
3897
3898 /*
3899  * this function tranforms a rule [start-end/step] into an array
3900  * of matching numbers
3901  * supported forms are:
3902  * [start]                : just this number
3903  * [start-end]            : all numbers from start to end
3904  * [start-end/step]       : numbers from start to end with increment of step
3905  * on return, format contains a printf format string which can be used
3906  * to generate all the strings
3907  */
3908 static int get_array_idx(char *rule, char *format, int **array)
3909 {
3910         char *start, *end, *ptr;
3911         unsigned int lo, hi, step;
3912         int array_sz = 0;
3913         int i, array_idx;
3914         int rc;
3915
3916         start = strchr(rule, '[');
3917         end = strchr(rule, ']');
3918         if ((start == NULL) || (end == NULL)) {
3919                 *array = malloc(sizeof(int));
3920                 if (*array == NULL)
3921                         return 0;
3922                 strcpy(format, rule);
3923                 array_sz = 1;
3924                 return array_sz;
3925         }
3926         *start = '\0';
3927         *end = '\0';
3928         end++;
3929         start++;
3930         /* put in format the printf format (the rule without the range) */
3931         sprintf(format, "%s%%.4x%s", rule, end);
3932
3933         array_idx = 0;
3934         array_sz = 0;
3935         *array = NULL;
3936         /* loop on , separator */
3937         do {
3938                 /* extract the 3 fields */
3939                 rc = sscanf(start, "%x-%x/%u", &lo, &hi, &step);
3940                 switch (rc) {
3941                 case 0:
3942                         goto err;
3943                 case 1: {
3944                         void *tmp;
3945
3946                         array_sz++;
3947                         tmp = realloc(*array, array_sz * sizeof(int));
3948                         if (tmp == NULL)
3949                                 goto err;
3950                         *array = tmp;
3951                         (*array)[array_idx] = lo;
3952                         array_idx++;
3953                         break;
3954                 }
3955                 case 2: {
3956                         step = 1;
3957                         /* do not break to share code with case 3: */
3958                 }
3959                 case 3: {
3960                         void *tmp;
3961
3962                         if ((hi < lo) || (step == 0))
3963                                 goto err;
3964                         array_sz += (hi - lo) / step + 1;
3965                         tmp = realloc(*array, array_sz * sizeof(int));
3966                         if (tmp == NULL)
3967                                 goto err;
3968                         *array = tmp;
3969                         for (i = lo; i <= hi; i+=step, array_idx++)
3970                                 (*array)[array_idx] = i;
3971                         break;
3972                 }
3973                 }
3974                 ptr = strchr(start, ',');
3975                 if (ptr != NULL)
3976                         start = ptr + 1;
3977
3978         } while (ptr != NULL);
3979         return array_sz;
3980 err:
3981         if (*array != NULL) {
3982                 free(*array);
3983                 *array = NULL;
3984         }
3985         return 0;
3986 }
3987
3988 static int extract_fsname_poolname(const char *arg, char *fsname,
3989                                    char *poolname)
3990 {
3991         char *ptr;
3992         int rc;
3993
3994         strlcpy(fsname, arg, PATH_MAX + 1);
3995         ptr = strchr(fsname, '.');
3996         if (ptr == NULL) {
3997                 fprintf(stderr, ". is missing in %s\n", fsname);
3998                 rc = -EINVAL;
3999                 goto err;
4000         }
4001
4002         if ((ptr - fsname) == 0) {
4003                 fprintf(stderr, "fsname is empty\n");
4004                 rc = -EINVAL;
4005                 goto err;
4006         }
4007
4008         *ptr = '\0';
4009         ++ptr;
4010
4011         rc = lustre_is_fsname_valid(fsname, 1, LUSTRE_MAXFSNAME);
4012         if (rc < 0) {
4013                 fprintf(stderr, "filesystem name %s must be 1-%d chars\n",
4014                         fsname, LUSTRE_MAXFSNAME);
4015                 rc = -EINVAL;
4016                 goto err;
4017         } else if (rc > 0) {
4018                 fprintf(stderr, "char '%c' not allowed in filesystem name\n",
4019                         rc);
4020                 rc = -EINVAL;
4021                 goto err;
4022         }
4023
4024         rc = lustre_is_poolname_valid(ptr, 1, LOV_MAXPOOLNAME);
4025         if (rc == -1) {
4026                 fprintf(stderr, "poolname is empty\n");
4027                 rc = -EINVAL;
4028                 goto err;
4029         } else if (rc == -2) {
4030                 fprintf(stderr,
4031                         "poolname %s is too long (max is %d)\n",
4032                         ptr, LOV_MAXPOOLNAME);
4033                 rc = -ENAMETOOLONG;
4034                 goto err;
4035         } else if (rc > 0) {
4036                 fprintf(stderr, "char '%c' not allowed in pool name '%s'\n",
4037                         rc, ptr);
4038                 rc = -EINVAL;
4039                 goto err;
4040         }
4041
4042         strncpy(poolname, ptr, LOV_MAXPOOLNAME);
4043         poolname[LOV_MAXPOOLNAME] = '\0';
4044         return 0;
4045
4046 err:
4047         fprintf(stderr, "argument %s must be <fsname>.<poolname>\n", arg);
4048         return rc;
4049 }
4050
4051 int jt_pool_cmd(int argc, char **argv)
4052 {
4053         enum lcfg_command_type cmd;
4054         char fsname[PATH_MAX + 1];
4055         char poolname[LOV_MAXPOOLNAME + 1];
4056         char *ostnames_buf = NULL;
4057         int i, rc;
4058         int *array = NULL, array_sz;
4059         struct {
4060                 int     rc;
4061                 char   *ostname;
4062         } *cmds = NULL;
4063
4064         switch (argc) {
4065         case 0:
4066         case 1: return CMD_HELP;
4067         case 2: {
4068                 if (strcmp("pool_new", argv[0]) == 0)
4069                         cmd = LCFG_POOL_NEW;
4070                 else if (strcmp("pool_destroy", argv[0]) == 0)
4071                         cmd = LCFG_POOL_DEL;
4072                 else if (strcmp("pool_list", argv[0]) == 0)
4073                          return llapi_poollist(argv[1]);
4074                 else return CMD_HELP;
4075
4076                 rc = extract_fsname_poolname(argv[1], fsname, poolname);
4077                 if (rc)
4078                         break;
4079
4080                 rc = pool_cmd(cmd, argv[0], argv[1], fsname, poolname, NULL);
4081                 if (rc)
4082                         break;
4083
4084                 check_pool_cmd_result(cmd, fsname, poolname, NULL);
4085                 break;
4086         }
4087         default: {
4088                 char format[2*MAX_OBD_NAME];
4089
4090                 if (strcmp("pool_remove", argv[0]) == 0) {
4091                         cmd = LCFG_POOL_REM;
4092                 } else if (strcmp("pool_add", argv[0]) == 0) {
4093                         cmd = LCFG_POOL_ADD;
4094                 } else {
4095                         return CMD_HELP;
4096                 }
4097
4098                 rc = extract_fsname_poolname(argv[1], fsname, poolname);
4099                 if (rc)
4100                         break;
4101
4102                 for (i = 2; i < argc; i++) {
4103                         int j;
4104
4105                         array_sz = get_array_idx(argv[i], format, &array);
4106                         if (array_sz == 0)
4107                                 return CMD_HELP;
4108
4109                         cmds = malloc(array_sz * sizeof(cmds[0]));
4110                         if (cmds != NULL) {
4111                                 ostnames_buf = malloc(array_sz *
4112                                                       (MAX_OBD_NAME + 1));
4113                         } else {
4114                                 free(array);
4115                                 rc = -ENOMEM;
4116                                 goto out;
4117                         }
4118
4119                         for (j = 0; j < array_sz; j++) {
4120                                 char ostname[MAX_OBD_NAME + 1];
4121
4122                                 snprintf(ostname, MAX_OBD_NAME, format,
4123                                          array[j]);
4124                                 ostname[MAX_OBD_NAME] = '\0';
4125
4126                                 rc = check_and_complete_ostname(fsname,ostname);
4127                                 if (rc) {
4128                                         free(array);
4129                                         free(cmds);
4130                                         if (ostnames_buf)
4131                                                 free(ostnames_buf);
4132                                         goto out;
4133                                 }
4134                                 if (ostnames_buf != NULL) {
4135                                         cmds[j].ostname =
4136                                           &ostnames_buf[(MAX_OBD_NAME + 1) * j];
4137                                         strcpy(cmds[j].ostname, ostname);
4138                                 } else {
4139                                         cmds[j].ostname = NULL;
4140                                 }
4141                                 cmds[j].rc = pool_cmd(cmd, argv[0], argv[1],
4142                                                       fsname, poolname,
4143                                                       ostname);
4144                                 /* Return an err if any of the add/dels fail */
4145                                 if (!rc)
4146                                         rc = cmds[j].rc;
4147                         }
4148                         for (j = 0; j < array_sz; j++) {
4149                                 if (!cmds[j].rc) {
4150                                         char ostname[MAX_OBD_NAME + 1];
4151
4152                                         if (!cmds[j].ostname) {
4153                                                 snprintf(ostname, MAX_OBD_NAME,
4154                                                          format, array[j]);
4155                                                 ostname[MAX_OBD_NAME] = '\0';
4156                                                 check_and_complete_ostname(
4157                                                         fsname, ostname);
4158                                         } else {
4159                                                 strcpy(ostname,
4160                                                        cmds[j].ostname);
4161                                         }
4162                                         check_pool_cmd_result(cmd, fsname,
4163                                                               poolname,ostname);
4164                                 }
4165                         }
4166                         if (array_sz > 0)
4167                                 free(array);
4168                         if (cmds)
4169                                 free(cmds);
4170                         if (ostnames_buf != NULL)
4171                                 free(ostnames_buf);
4172                 }
4173                 /* fall through */
4174         }
4175         } /* switch */
4176
4177 out:
4178         if (rc != 0) {
4179                 errno = -rc;
4180                 perror(argv[0]);
4181         }
4182
4183         return rc;
4184 }
4185
4186 int jt_get_obj_version(int argc, char **argv)
4187 {
4188         struct lu_fid fid;
4189         struct obd_ioctl_data data;
4190         __u64 version, id = ULLONG_MAX, group = ULLONG_MAX;
4191         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf, *fidstr;
4192         int rc, c;
4193
4194         while ((c = getopt(argc, argv, "i:g:")) != -1) {
4195                 switch (c) {
4196                 case 'i':
4197                         id = strtoull(optarg, NULL, 0);
4198                         break;
4199                 case 'g':
4200                         group = strtoull(optarg, NULL, 0);
4201                         break;
4202                 default:
4203                         return CMD_HELP;
4204                 }
4205         }
4206
4207         argc -= optind;
4208         argv += optind;
4209
4210         if (!(id != ULLONG_MAX && group != ULLONG_MAX && argc == 0) &&
4211             !(id == ULLONG_MAX && group == ULLONG_MAX && argc == 1))
4212                 return CMD_HELP;
4213
4214         memset(&data, 0, sizeof data);
4215         data.ioc_dev = cur_device;
4216         if (argc == 1) {
4217                 fidstr = *argv;
4218                 while (*fidstr == '[')
4219                         fidstr++;
4220                 sscanf(fidstr, SFID, RFID(&fid));
4221
4222                 data.ioc_inlbuf1 = (char *) &fid;
4223                 data.ioc_inllen1 = sizeof fid;
4224         } else {
4225                 data.ioc_inlbuf3 = (char *) &id;
4226                 data.ioc_inllen3 = sizeof id;
4227                 data.ioc_inlbuf4 = (char *) &group;
4228                 data.ioc_inllen4 = sizeof group;
4229         }
4230         data.ioc_inlbuf2 = (char *) &version;
4231         data.ioc_inllen2 = sizeof version;
4232
4233         memset(buf, 0, sizeof *buf);
4234         rc = obd_ioctl_pack(&data, &buf, sizeof rawbuf);
4235         if (rc) {
4236                 fprintf(stderr, "error: %s: packing ioctl arguments: %s\n",
4237                         jt_cmdname(argv[0]), strerror(-rc));
4238                 return rc;
4239         }
4240
4241         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GET_OBJ_VERSION, buf);
4242         if (rc == -1) {
4243                 fprintf(stderr, "error: %s: ioctl: %s\n",
4244                         jt_cmdname(argv[0]), strerror(errno));
4245                 return -errno;
4246         }
4247
4248         obd_ioctl_unpack(&data, buf, sizeof rawbuf);
4249         printf(LPX64"\n", version);
4250         return 0;
4251 }
4252
4253 int jt_changelog_register(int argc, char **argv)
4254 {
4255         struct obd_ioctl_data    data = { 0 };
4256         char                     rawbuf[MAX_IOC_BUFLEN] = "";
4257         char                    *buf = rawbuf;
4258         char                    *device = lcfg_get_devname();
4259         bool                     print_name_only = false;
4260         int                      c;
4261         int                      rc;
4262
4263         if (argc > 2)
4264                 return CMD_HELP;
4265
4266         while ((c = getopt(argc, argv, "hn")) >= 0) {
4267                 switch (c) {
4268                 case 'n':
4269                         print_name_only = true;
4270                         break;
4271                 case 'h':
4272                 default:
4273                         return CMD_HELP;
4274                 }
4275         }
4276
4277         if (cur_device < 0 || device == NULL)
4278                 return CMD_HELP;
4279
4280         data.ioc_dev = cur_device;
4281
4282         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4283         if (rc < 0) {
4284                 fprintf(stderr, "error: %s: cannot pack ioctl: %s\n",
4285                         jt_cmdname(argv[0]), strerror(-rc));
4286                return rc;
4287         }
4288
4289         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_REG, buf);
4290         if (rc < 0) {
4291                 rc = -errno;
4292                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
4293                         strerror(-rc));
4294                 return rc;
4295         }
4296
4297         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4298
4299         if (data.ioc_u32_1 == 0) {
4300                 fprintf(stderr, "received invalid userid!\n");
4301                 return -EPROTO;
4302         }
4303
4304         if (print_name_only)
4305                 printf("%s%u\n", CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4306         else
4307                 printf("%s: Registered changelog userid '%s%u'\n",
4308                        device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4309
4310         return 0;
4311 }
4312
4313 int jt_changelog_deregister(int argc, char **argv)
4314 {
4315         struct obd_ioctl_data    data = { 0 };
4316         char                     rawbuf[MAX_IOC_BUFLEN] = "";
4317         char                    *buf = rawbuf;
4318         char                    *device = lcfg_get_devname();
4319         int                      id;
4320         int                      rc;
4321
4322         if (argc != 2 || cur_device < 0 || device == NULL)
4323                 return CMD_HELP;
4324
4325         rc = sscanf(argv[1], CHANGELOG_USER_PREFIX"%d", &id);
4326         if (rc != 1 || id <= 0) {
4327                 fprintf(stderr,
4328                         "error: %s: expected id of the form %s<num> got '%s'\n",
4329                         jt_cmdname(argv[0]), CHANGELOG_USER_PREFIX, argv[1]);
4330                 return CMD_HELP;
4331         }
4332
4333         data.ioc_dev = cur_device;
4334         data.ioc_u32_1 = id;
4335
4336         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4337         if (rc < 0) {
4338                 fprintf(stderr, "error: %s: invalid ioctl\n",
4339                         jt_cmdname(argv[0]));
4340                 return rc;
4341         }
4342
4343         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_DEREG, buf);
4344         if (rc < 0) {
4345                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
4346                         strerror(rc = errno));
4347                 return rc;
4348         }
4349
4350         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4351         printf("%s: Deregistered changelog user '%s%u'\n",
4352                device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4353
4354         return 0;
4355 }