lustre/utils/obd.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2011, 2017, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  *
  32  * lustre/utils/obd.c
  33  *
  34  * Author: Peter J. Braam <braam@clusterfs.com>
  35  * Author: Phil Schwan <phil@clusterfs.com>
  36  * Author: Andreas Dilger <adilger@clusterfs.com>
  37  * Author: Robert Read <rread@clusterfs.com>
  38  */
  39
  40 #include <sys/ioctl.h>
  41 #include <sys/socket.h>
  42 #include <sys/stat.h>
  43 #include <sys/time.h>
  44 #include <sys/types.h>
  45 #include <sys/un.h>
  46 #include <sys/wait.h>
  47
  48 #include <ctype.h>
  49 #include <errno.h>
  50 #include <fcntl.h>
  51 #include <getopt.h>
  52 #include <signal.h>
  53 #include <stdarg.h>
  54 #include <stdbool.h>
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <string.h>
  58 #include <time.h>
  59 #include <unistd.h>
  60 #include <limits.h>
  61
  62 #include "obdctl.h"
  63 #include "lustreapi_internal.h"
  64 #include <libcfs/util/list.h>
  65 #include <libcfs/util/ioctl.h>
  66 #include <libcfs/util/param.h>
  67 #include <libcfs/util/parser.h>
  68 #include <libcfs/util/string.h>
  69
  70 #include <linux/lnet/nidstr.h>
  71 #include <linux/lnet/lnetctl.h>
  72 #include <linux/lustre/lustre_barrier_user.h>
  73 #include <linux/lustre/lustre_cfg.h>
  74 #include <linux/lustre/lustre_ioctl.h>
  75 #include <linux/lustre/lustre_ostid.h>
  76 #include <linux/lustre/lustre_param.h>
  77 #include <linux/lustre/lustre_ver.h>
  78
  79 #include <lustre/lustreapi.h>
  80
  81 #define MAX_STRING_SIZE 128
  82
  83 #if HAVE_LIBPTHREAD
  84 #include <sys/ipc.h>
  85 #include <sys/shm.h>
  86 #include <pthread.h>
  87
  88 #define MAX_THREADS 4096
  89 #define MAX_BASE_ID 0xffffffff
  90 #define NIDSTRING_LENGTH 64
  91 struct shared_data {
  92         pthread_mutex_t mutex;
  93         pthread_cond_t  cond;
  94         int       stopping;
  95         struct {
  96                 __u64 counters[MAX_THREADS];
  97                 __u64 offsets[MAX_THREADS];
  98                 int   thr_running;
  99                 int   start_barrier;
 100                 int   stop_barrier;
 101                 struct timeval start_time;
 102                 struct timeval end_time;
 103         } body;
 104 };
 105
 106 static struct shared_data *shared_data;
 107 static __u64 counter_snapshot[2][MAX_THREADS];
 108 static int prev_valid;
 109 static struct timeval prev_time;
 110 static int thread;
 111 static int nthreads;
 112 #else
 113 const int thread = 0;
 114 const int nthreads = 1;
 115 #endif
 116
 117 static int cur_device = -1;
 118
 119 static int l2_ioctl(int dev_id, int opc, void *buf)
 120 {
 121         return l_ioctl(dev_id, opc, buf);
 122 }
 123
 124 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
 125 {
 126         struct obd_ioctl_data data;
 127         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 128         int rc;
 129
 130         memset(&data, 0, sizeof(data));
 131         data.ioc_dev = cur_device;
 132         data.ioc_type = LUSTRE_CFG_TYPE;
 133         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 134                                         lcfg->lcfg_buflens);
 135         data.ioc_pbuf1 = (void *)lcfg;
 136         memset(buf, 0, sizeof(rawbuf));
 137         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 138         if (rc) {
 139                 fprintf(stderr, "error: %s: invalid ioctl\n",
 140                         jt_cmdname(func));
 141                 return rc;
 142         }
 143
 144         rc =  l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
 145
 146         return rc;
 147 }
 148
 149 static int do_device(char *func, char *devname);
 150
 151 static int get_mgs_device()
 152 {
 153         char mgs[] = "$MGS";
 154         static int mgs_device = -1;
 155
 156         if (mgs_device == -1) {
 157                 int rc;
 158                 do_disconnect(NULL, 1);
 159                 rc = do_device("mgsioc", mgs);
 160                 if (rc) {
 161                         fprintf(stderr,
 162                                 "This command must be run on the MGS.\n");
 163                         errno = ENODEV;
 164                         return -1;
 165                 }
 166                 mgs_device = cur_device;
 167         }
 168         return mgs_device;
 169 }
 170
 171 /* Returns -1 on error with errno set */
 172 int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
 173 {
 174         struct obd_ioctl_data data;
 175         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 176         int rc;
 177
 178         memset(&data, 0, sizeof(data));
 179         rc = data.ioc_dev = get_mgs_device();
 180         if (rc < 0)
 181                 goto out;
 182         data.ioc_type = LUSTRE_CFG_TYPE;
 183         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 184                                         lcfg->lcfg_buflens);
 185         data.ioc_pbuf1 = (void *)lcfg;
 186         memset(buf, 0, sizeof(rawbuf));
 187         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 188         if (rc) {
 189                 fprintf(stderr, "error: %s: invalid ioctl\n",
 190                         jt_cmdname(func));
 191                 return rc;
 192         }
 193
 194         rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
 195 out:
 196         if (rc) {
 197                 if (errno == ENOSYS)
 198                         fprintf(stderr, "Make sure cfg_device is set first.\n");
 199         }
 200         return rc;
 201 }
 202
 203 char *obdo_print(struct obdo *obd)
 204 {
 205         char buf[1024];
 206
 207         snprintf(buf, sizeof(buf), "id: %#jx\ngrp: %#jx\natime: %ju\n"
 208                  "mtime: %ju\nctime: %ju\nsize: %ju\nblocks: %ju"
 209                  "\nblksize: %u\nmode: %o\nuid: %d\ngid: %d\nflags: %x\n"
 210                  "misc: %x\nnlink: %d,\nvalid %#jx\n",
 211                  (uintmax_t)ostid_id(&obd->o_oi),
 212                  (uintmax_t)ostid_seq(&obd->o_oi),
 213                  (uintmax_t)obd->o_atime, (uintmax_t)obd->o_mtime,
 214                  (uintmax_t)obd->o_ctime, (uintmax_t)obd->o_size,
 215                  (uintmax_t)obd->o_blocks, obd->o_blksize, obd->o_mode,
 216                  obd->o_uid, obd->o_gid, obd->o_flags, obd->o_misc,
 217                  obd->o_nlink, (uintmax_t)obd->o_valid);
 218         return strdup(buf);
 219 }
 220
 221
 222 #define BAD_VERBOSE (-999999999)
 223
 224 #define N2D_OFF 0x100      /* So we can tell between error codes and devices */
 225
 226 static int do_name2dev(char *func, char *name)
 227 {
 228         struct obd_ioctl_data data;
 229         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 230         int rc;
 231
 232         memset(&data, 0, sizeof(data));
 233         data.ioc_dev = cur_device;
 234         data.ioc_inllen1 = strlen(name) + 1;
 235         data.ioc_inlbuf1 = name;
 236
 237         memset(buf, 0, sizeof(rawbuf));
 238         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 239         if (rc < 0) {
 240                 fprintf(stderr, "error: %s: invalid ioctl\n",
 241                         jt_cmdname(func));
 242                 return -rc;
 243         }
 244         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NAME2DEV, buf);
 245         if (rc < 0)
 246                 return errno;
 247         rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
 248         if (rc) {
 249                 fprintf(stderr, "error: %s: invalid reply\n",
 250                         jt_cmdname(func));
 251                 return rc;
 252         }
 253
 254         return data.ioc_dev + N2D_OFF;
 255 }
 256
 257 /*
 258  * resolve a device name to a device number.
 259  * supports a number, $name or %uuid.
 260  */
 261 int parse_devname(char *func, char *name)
 262 {
 263         int rc;
 264         int ret = -1;
 265         int try_digit;
 266
 267         if (!name)
 268                 return ret;
 269
 270         try_digit = isdigit(name[0]);
 271
 272         if (name[0] == '$' || name[0] == '%')
 273                 name++;
 274
 275         rc = do_name2dev(func, name);
 276         if (rc >= N2D_OFF)
 277                 return rc - N2D_OFF;
 278
 279         if (try_digit)
 280                 ret = strtoul(name, NULL, 0);
 281         else
 282                 fprintf(stderr, "No device found for name %s: %s\n",
 283                                 name, strerror(rc));
 284         return ret;
 285 }
 286
 287 char *jt_cmdname(char *func)
 288 {
 289         static char buf[512];
 290
 291         if (thread) {
 292                 sprintf(buf, "%s-%d", func, thread);
 293                 return buf;
 294         }
 295
 296         return func;
 297 }
 298
 299 #define difftime(a, b)                                  \
 300         ((a)->tv_sec - (b)->tv_sec +                    \
 301          ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
 302
 303 static int be_verbose(int verbose, struct timeval *next_time,
 304                       __u64 num, __u64 *next_num, int num_total)
 305 {
 306         struct timeval now;
 307
 308         if (!verbose)
 309                 return 0;
 310
 311         if (next_time != NULL)
 312                 gettimeofday(&now, NULL);
 313
 314         /* A positive verbosity means to print every X iterations */
 315         if (verbose > 0 && (num >= *next_num || num >= num_total)) {
 316                 *next_num += verbose;
 317                 if (next_time) {
 318                         next_time->tv_sec = now.tv_sec - verbose;
 319                         next_time->tv_usec = now.tv_usec;
 320                 }
 321                 return 1;
 322         }
 323
 324         /* A negative verbosity means to print at most each X seconds */
 325         if (verbose < 0 && next_time != NULL &&
 326             difftime(&now, next_time) >= 0.0){
 327                 next_time->tv_sec = now.tv_sec - verbose;
 328                 next_time->tv_usec = now.tv_usec;
 329                 *next_num = num;
 330                 return 1;
 331         }
 332
 333         return 0;
 334 }
 335
 336 static int get_verbose(char *func, const char *arg)
 337 {
 338         int verbose;
 339         char *end;
 340
 341         if (!arg || arg[0] == 'v')
 342                 verbose = 1;
 343         else if (arg[0] == 's' || arg[0] == 'q')
 344                 verbose = 0;
 345         else {
 346                 verbose = (int)strtoul(arg, &end, 0);
 347                 if (*end) {
 348                         fprintf(stderr, "error: %s: bad verbose option '%s'\n",
 349                                 jt_cmdname(func), arg);
 350                         return BAD_VERBOSE;
 351                 }
 352         }
 353
 354         if (verbose < 0)
 355                 printf("Print status every %d seconds\n", -verbose);
 356         else if (verbose == 1)
 357                 printf("Print status every operation\n");
 358         else if (verbose > 1)
 359                 printf("Print status every %d operations\n", verbose);
 360
 361         return verbose;
 362 }
 363
 364 int do_disconnect(char *func, int verbose)
 365 {
 366         lcfg_set_devname(NULL);
 367         cur_device = -1;
 368         return 0;
 369 }
 370
 371 #ifdef MAX_THREADS
 372 static int shmem_setup(void)
 373 {
 374         pthread_mutexattr_t mattr;
 375         pthread_condattr_t  cattr;
 376         int                 rc;
 377         int                 shmid;
 378
 379         /* Create new segment */
 380         shmid = shmget(IPC_PRIVATE, sizeof(*shared_data), 0600);
 381         if (shmid == -1) {
 382                 fprintf(stderr, "Can't create shared data: %s\n",
 383                         strerror(errno));
 384                 return errno;
 385         }
 386
 387         /* Attatch to new segment */
 388         shared_data = (struct shared_data *)shmat(shmid, NULL, 0);
 389
 390         if (shared_data == (struct shared_data *)(-1)) {
 391                 fprintf(stderr, "Can't attach shared data: %s\n",
 392                         strerror(errno));
 393                 shared_data = NULL;
 394                 return errno;
 395         }
 396
 397         /* Mark segment as destroyed, so it will disappear when we exit.
 398          * Forks will inherit attached segments, so we should be OK.
 399          */
 400         if (shmctl(shmid, IPC_RMID, NULL) == -1) {
 401                 fprintf(stderr, "Can't destroy shared data: %s\n",
 402                         strerror(errno));
 403                 return errno;
 404         }
 405
 406         pthread_mutexattr_init(&mattr);
 407         pthread_condattr_init(&cattr);
 408
 409         rc = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
 410         if (rc != 0) {
 411                 fprintf(stderr, "Can't set shared mutex attr\n");
 412                 goto out;
 413         }
 414
 415         rc = pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED);
 416         if (rc != 0) {
 417                 fprintf(stderr, "Can't set shared cond attr\n");
 418                 goto out;
 419         }
 420
 421         pthread_mutex_init(&shared_data->mutex, &mattr);
 422         pthread_cond_init(&shared_data->cond, &cattr);
 423 out:
 424         pthread_mutexattr_destroy(&mattr);
 425         pthread_condattr_destroy(&cattr);
 426
 427         return rc;
 428 }
 429
 430 static inline void shmem_lock(void)
 431 {
 432         pthread_mutex_lock(&shared_data->mutex);
 433 }
 434
 435 static inline void shmem_unlock(void)
 436 {
 437         pthread_mutex_unlock(&shared_data->mutex);
 438 }
 439
 440 static inline void shmem_wait(void)
 441 {
 442         pthread_cond_wait(&shared_data->cond, &shared_data->mutex);
 443 }
 444
 445 static inline void shmem_wakeup_all(void)
 446 {
 447         pthread_cond_broadcast(&shared_data->cond);
 448 }
 449
 450 static inline void shmem_reset(int total_threads)
 451 {
 452         if (shared_data == NULL)
 453                 return;
 454
 455         memset(&shared_data->body, 0, sizeof(shared_data->body));
 456         memset(counter_snapshot, 0, sizeof(counter_snapshot));
 457         prev_valid = 0;
 458         shared_data->stopping = 0;
 459         shared_data->body.start_barrier = total_threads;
 460         shared_data->body.stop_barrier = total_threads;
 461 }
 462
 463 static inline void shmem_bump(__u32 counter)
 464 {
 465         static bool running_not_bumped = true;
 466
 467         if (shared_data == NULL || thread <= 0 || thread > MAX_THREADS)
 468                 return;
 469
 470         shmem_lock();
 471         shared_data->body.counters[thread - 1] += counter;
 472         if (running_not_bumped) {
 473                 shared_data->body.thr_running++;
 474                 running_not_bumped = false;
 475         }
 476         shmem_unlock();
 477 }
 478
 479 static void shmem_total(int total_threads)
 480 {
 481         __u64 total = 0;
 482         double secs;
 483         int i;
 484
 485         if (shared_data == NULL || total_threads > MAX_THREADS)
 486                 return;
 487
 488         shmem_lock();
 489         for (i = 0; i < total_threads; i++)
 490                 total += shared_data->body.counters[i];
 491
 492         secs = difftime(&shared_data->body.end_time,
 493                         &shared_data->body.start_time);
 494         shmem_unlock();
 495
 496         printf("Total: total %ju threads %d sec %f %f/second\n",
 497                (uintmax_t)total, total_threads, secs, total / secs);
 498
 499         return;
 500 }
 501
 502 static void shmem_snap(int total_threads, int live_threads)
 503 {
 504         struct timeval this_time;
 505         int non_zero = 0;
 506         __u64 total = 0;
 507         double secs;
 508         int running;
 509         int i;
 510
 511         if (shared_data == NULL || total_threads > MAX_THREADS)
 512                 return;
 513
 514         shmem_lock();
 515         memcpy(counter_snapshot[0], shared_data->body.counters,
 516                total_threads * sizeof(counter_snapshot[0][0]));
 517         running = shared_data->body.thr_running;
 518         shmem_unlock();
 519
 520         gettimeofday(&this_time, NULL);
 521
 522         for (i = 0; i < total_threads; i++) {
 523                 long long this_count =
 524                         counter_snapshot[0][i] - counter_snapshot[1][i];
 525
 526                 if (this_count != 0) {
 527                         non_zero++;
 528                         total += this_count;
 529                 }
 530         }
 531
 532         secs = difftime(&this_time, &prev_time);
 533         if (prev_valid && secs > 1.0)    /* someone screwed with the time? */
 534                 printf("%d/%d Total: %f/second\n", non_zero, total_threads,
 535                        total / secs);
 536
 537         memcpy(counter_snapshot[1], counter_snapshot[0],
 538                total_threads * sizeof(counter_snapshot[0][0]));
 539         prev_time = this_time;
 540         if (!prev_valid &&
 541             running == total_threads)
 542                 prev_valid = 1;
 543 }
 544
 545 static void shmem_stop(void)
 546 {
 547         if (shared_data == NULL)
 548                 return;
 549
 550         shared_data->stopping = 1;
 551 }
 552
 553 static void shmem_cleanup(void)
 554 {
 555         if (shared_data == NULL)
 556                 return;
 557
 558         shmem_stop();
 559
 560         pthread_mutex_destroy(&shared_data->mutex);
 561         pthread_cond_destroy(&shared_data->cond);
 562 }
 563
 564 static int shmem_running(void)
 565 {
 566         return (shared_data == NULL || !shared_data->stopping);
 567 }
 568
 569 static void shmem_end_time_locked(void)
 570 {
 571         shared_data->body.stop_barrier--;
 572         if (shared_data->body.stop_barrier == 0)
 573                 gettimeofday(&shared_data->body.end_time, NULL);
 574 }
 575
 576 static void shmem_start_time_locked(void)
 577 {
 578         shared_data->body.start_barrier--;
 579         if (shared_data->body.start_barrier == 0) {
 580                 shmem_wakeup_all();
 581                 gettimeofday(&shared_data->body.start_time, NULL);
 582         } else {
 583                 shmem_wait();
 584         }
 585 }
 586
 587 #else
 588 static int shmem_setup(void)
 589 {
 590         return 0;
 591 }
 592
 593 static inline void shmem_reset(int total_threads)
 594 {
 595 }
 596
 597 static inline void shmem_bump(__u32 counters)
 598 {
 599 }
 600
 601 static void shmem_lock()
 602 {
 603 }
 604
 605 static void shmem_unlock()
 606 {
 607 }
 608
 609 static void shmem_cleanup(void)
 610 {
 611 }
 612
 613 static int shmem_running(void)
 614 {
 615         return 1;
 616 }
 617 #endif
 618
 619 extern command_t cmdlist[];
 620
 621 static int do_device(char *func, char *devname)
 622 {
 623         int dev;
 624
 625         dev = parse_devname(func, devname);
 626         if (dev < 0)
 627                 return -1;
 628
 629         lcfg_set_devname(devname);
 630         cur_device = dev;
 631         return 0;
 632 }
 633
 634 int jt_obd_get_device()
 635 {
 636         return cur_device;
 637 }
 638
 639 int jt_obd_device(int argc, char **argv)
 640 {
 641         int rc;
 642
 643         if (argc > 2)
 644                 return CMD_HELP;
 645
 646         if (argc == 1) {
 647                 printf("current device is %d - %s\n",
 648                        cur_device, lcfg_get_devname() ? : "not set");
 649                 return 0;
 650         }
 651         rc = do_device("device", argv[1]);
 652         return rc;
 653 }
 654
 655 int jt_opt_device(int argc, char **argv)
 656 {
 657         int ret;
 658         int rc;
 659
 660         if (argc < 3)
 661                 return CMD_HELP;
 662
 663         rc = do_device("device", argv[1]);
 664
 665         if (!rc)
 666                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 667
 668         ret = do_disconnect(argv[0], 0);
 669         if (!rc)
 670                 rc = ret;
 671
 672         return rc;
 673 }
 674
 675 #ifdef MAX_THREADS
 676 static void parent_sighandler (int sig)
 677 {
 678         return;
 679 }
 680
 681 int jt_opt_threads(int argc, char **argv)
 682 {
 683         static char      cmdstr[128];
 684         sigset_t         saveset;
 685         sigset_t         sigset;
 686         struct sigaction sigact;
 687         struct sigaction saveact1;
 688         struct sigaction saveact2;
 689         unsigned long    threads;
 690         __u64            next_thread;
 691         int verbose;
 692         int rc = 0;
 693         int report_count = -1;
 694         char *end;
 695         int i;
 696
 697         if (argc < 5)
 698                 return CMD_HELP;
 699
 700         threads = strtoul(argv[1], &end, 0);
 701
 702         if (*end == '.')
 703                 report_count = strtoul(end + 1, &end, 0);
 704
 705         if (*end || threads > MAX_THREADS) {
 706                 fprintf(stderr, "error: %s: invalid thread count '%s'\n",
 707                         jt_cmdname(argv[0]), argv[1]);
 708                 return CMD_HELP;
 709         }
 710
 711         verbose = get_verbose(argv[0], argv[2]);
 712         if (verbose == BAD_VERBOSE)
 713                 return CMD_HELP;
 714
 715         if (verbose != 0) {
 716                 snprintf(cmdstr, sizeof(cmdstr), "%s", argv[4]);
 717                 for (i = 5; i < argc; i++)
 718                         snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
 719                                  " %s", argv[i]);
 720
 721                 printf("%s: starting %ld threads on device %s running %s\n",
 722                        argv[0], threads, argv[3], cmdstr);
 723         }
 724
 725         shmem_reset(threads);
 726
 727         sigemptyset(&sigset);
 728         sigaddset(&sigset, SIGALRM);
 729         sigaddset(&sigset, SIGCHLD);
 730         sigprocmask(SIG_BLOCK, &sigset, &saveset);
 731
 732         nthreads = threads;
 733
 734         for (i = 1, next_thread = verbose; i <= threads; i++) {
 735                 rc = fork();
 736                 if (rc < 0) {
 737                         fprintf(stderr, "error: %s: #%d - %s\n", argv[0], i,
 738                                 strerror(rc = errno));
 739                         break;
 740                 } else if (rc == 0) {
 741                         sigprocmask(SIG_SETMASK, &saveset, NULL);
 742
 743                         thread = i;
 744                         argv[2] = "--device";
 745                         exit(jt_opt_device(argc - 2, argv + 2));
 746                 } else if (be_verbose(verbose, NULL, i, &next_thread, threads))
 747                         printf("%s: thread #%d (PID %d) started\n",
 748                                argv[0], i, rc);
 749                 rc = 0;
 750         }
 751
 752         if (!thread) {          /* parent process */
 753                 int live_threads = threads;
 754
 755                 sigemptyset(&sigset);
 756                 sigemptyset(&sigact.sa_mask);
 757                 sigact.sa_handler = parent_sighandler;
 758                 sigact.sa_flags = 0;
 759
 760                 sigaction(SIGALRM, &sigact, &saveact1);
 761                 sigaction(SIGCHLD, &sigact, &saveact2);
 762
 763                 while (live_threads > 0) {
 764                         int status;
 765                         pid_t ret;
 766
 767                         if (verbose < 0)        /* periodic stats */
 768                                 alarm(-verbose);
 769
 770                         sigsuspend(&sigset);
 771                         alarm(0);
 772
 773                         while (live_threads > 0) {
 774                                 ret = waitpid(0, &status, WNOHANG);
 775                                 if (ret == 0)
 776                                         break;
 777
 778                                 if (ret < 0) {
 779                                         fprintf(stderr, "error: %s: wait - %s\n",
 780                                                 argv[0], strerror(errno));
 781                                         if (!rc)
 782                                                 rc = errno;
 783                                         continue;
 784                                 } else {
 785                                         /*
 786                                          * This is a hack.  We _should_ be able
 787                                          * to use WIFEXITED(status) to see if
 788                                          * there was an error, but it appears
 789                                          * to be broken and it always returns 1
 790                                          * (OK).  See wait(2).
 791                                          */
 792                                         int err = WEXITSTATUS(status);
 793                                         if (err || WIFSIGNALED(status))
 794                                                 fprintf(stderr,
 795                                                         "%s: PID %d had rc=%d\n",
 796                                                         argv[0], ret, err);
 797                                         if (!rc)
 798                                                 rc = err;
 799
 800                                         live_threads--;
 801                                 }
 802                         }
 803
 804                         /* Show stats while all threads running */
 805                         if (verbose < 0) {
 806                                 shmem_snap(threads, live_threads);
 807                                 if (report_count > 0 && --report_count == 0)
 808                                         shmem_stop();
 809                         }
 810                 }
 811                 sigaction(SIGCHLD, &saveact2, NULL);
 812                 sigaction(SIGALRM, &saveact1, NULL);
 813         }
 814
 815         shmem_total(threads);
 816         sigprocmask(SIG_SETMASK, &saveset, NULL);
 817
 818         return rc;
 819 }
 820 #else
 821 int jt_opt_threads(int argc, char **argv)
 822 {
 823         fprintf(stderr, "%s not-supported in a single-threaded runtime\n",
 824                 jt_cmdname(argv[0]));
 825         return CMD_HELP;
 826 }
 827 #endif
 828
 829 int jt_opt_net(int argc, char **argv)
 830 {
 831         char *arg2[3];
 832         int rc;
 833
 834         if (argc < 3)
 835                 return CMD_HELP;
 836
 837         arg2[0] = argv[0];
 838         arg2[1] = argv[1];
 839         arg2[2] = NULL;
 840         rc = jt_ptl_network (2, arg2);
 841
 842         if (!rc)
 843                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 844
 845         return rc;
 846 }
 847
 848 int jt_obd_no_transno(int argc, char **argv)
 849 {
 850         struct obd_ioctl_data data;
 851         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 852         int rc;
 853
 854         memset(&data, 0, sizeof(data));
 855         data.ioc_dev = cur_device;
 856
 857         if (argc != 1)
 858                 return CMD_HELP;
 859
 860         memset(buf, 0, sizeof(rawbuf));
 861         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 862         if (rc) {
 863                 fprintf(stderr, "error: %s: invalid ioctl\n",
 864                         jt_cmdname(argv[0]));
 865                 return rc;
 866         }
 867         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
 868         if (rc < 0)
 869                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 870                         strerror(rc = errno));
 871
 872         return rc;
 873 }
 874
 875 int jt_obd_set_readonly(int argc, char **argv)
 876 {
 877         struct obd_ioctl_data data;
 878         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 879         int rc;
 880
 881         memset(&data, 0, sizeof(data));
 882         data.ioc_dev = cur_device;
 883
 884         if (argc != 1)
 885                 return CMD_HELP;
 886
 887         memset(buf, 0, sizeof(rawbuf));
 888         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 889         if (rc) {
 890                 fprintf(stderr, "error: %s: invalid ioctl\n",
 891                         jt_cmdname(argv[0]));
 892                 return rc;
 893         }
 894         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
 895         if (rc < 0)
 896                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 897                         strerror(rc = errno));
 898
 899         return rc;
 900 }
 901
 902 int jt_obd_abort_recovery(int argc, char **argv)
 903 {
 904         struct obd_ioctl_data data;
 905         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 906         int rc;
 907
 908         memset(&data, 0, sizeof(data));
 909         data.ioc_dev = cur_device;
 910
 911         if (argc != 1)
 912                 return CMD_HELP;
 913
 914         memset(buf, 0, sizeof(rawbuf));
 915         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 916         if (rc) {
 917                 fprintf(stderr, "error: %s: invalid ioctl\n",
 918                         jt_cmdname(argv[0]));
 919                 return rc;
 920         }
 921         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
 922         if (rc < 0)
 923                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 924                         strerror(rc = errno));
 925
 926         return rc;
 927 }
 928
 929 int jt_get_version(int argc, char **argv)
 930 {
 931         char version[128];
 932         int rc;
 933
 934         if (argc != 1)
 935                 return CMD_HELP;
 936
 937         rc = llapi_get_version_string(version, sizeof(version));
 938         if (rc)
 939                 printf("Lustre version: %s\n", LUSTRE_VERSION_STRING);
 940         else
 941                 printf("Lustre version: %s\n", version);
 942
 943         return 0;
 944 }
 945
 946 static void print_obd_line(char *s)
 947 {
 948         const char *param = "osc/%s/ost_conn_uuid";
 949         char buf[MAX_STRING_SIZE];
 950         char obd_name[MAX_OBD_NAME];
 951         FILE *fp = NULL;
 952         glob_t path;
 953         char *ptr;
 954 retry:
 955         /* obd device type is the first 3 characters of param name */
 956         snprintf(buf, sizeof(buf), " %%*d %%*s %.3s %%%zus %%*s %%*d ",
 957                  param, sizeof(obd_name) - 1);
 958         if (sscanf(s, buf, obd_name) == 0)
 959                 goto try_mdc;
 960         if (cfs_get_param_paths(&path, param, obd_name) != 0)
 961                 goto try_mdc;
 962         fp = fopen(path.gl_pathv[0], "r");
 963         if (fp == NULL) {
 964                 /* need to free path data before retry */
 965                 cfs_free_param_data(&path);
 966 try_mdc:
 967                 if (param[0] == 'o') { /* failed with osc, try mdc */
 968                         param = "mdc/%s/mds_conn_uuid";
 969                         goto retry;
 970                 }
 971                 buf[0] = '\0';
 972                 goto fail_print;
 973         }
 974
 975         /* should not ignore fgets(3)'s return value */
 976         if (!fgets(buf, sizeof(buf), fp)) {
 977                 fprintf(stderr, "reading from %s: %s", buf, strerror(errno));
 978                 goto fail_close;
 979         }
 980
 981 fail_close:
 982         fclose(fp);
 983         cfs_free_param_data(&path);
 984
 985         /* trim trailing newlines */
 986         ptr = strrchr(buf, '\n');
 987         if (ptr)
 988                 *ptr = '\0';
 989 fail_print:
 990         ptr = strrchr(s, '\n');
 991         if (ptr)
 992                 *ptr = '\0';
 993         printf("%s%s%s\n", s, buf[0] ? " " : "", buf);
 994 }
 995
 996 /* get device list by ioctl */
 997 int jt_obd_list_ioctl(int argc, char **argv)
 998 {
 999         int rc, index;
1000         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1001         struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
1002
1003         if (argc > 2)
1004                 return CMD_HELP;
1005         /* Just ignore a -t option.  Only supported with /proc. */
1006         else if (argc == 2 && strcmp(argv[1], "-t") != 0)
1007                 return CMD_HELP;
1008
1009         for (index = 0;; index++) {
1010                 memset(buf, 0, sizeof(rawbuf));
1011                 data->ioc_version = OBD_IOCTL_VERSION;
1012                 data->ioc_inllen1 =
1013                         sizeof(rawbuf) - __ALIGN_KERNEL(sizeof(*data), 8);
1014                 data->ioc_inlbuf1 = buf + __ALIGN_KERNEL(sizeof(*data), 8);
1015                 data->ioc_len = obd_ioctl_packlen(data);
1016                 data->ioc_count = index;
1017
1018                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETDEVICE, buf);
1019                 if (rc != 0)
1020                         break;
1021                 printf("%s\n", (char *)data->ioc_bulk);
1022         }
1023         if (rc != 0) {
1024                 if (errno == ENOENT)
1025                         /* no device or the last device */
1026                         rc = 0;
1027                 else
1028                         fprintf(stderr, "Error getting device list: %s: "
1029                                 "check dmesg.\n", strerror(errno));
1030         }
1031         return rc;
1032 }
1033
1034 int jt_obd_list(int argc, char **argv)
1035 {
1036         char buf[MAX_STRING_SIZE];
1037         int print_obd = 0;
1038         glob_t path;
1039         FILE *fp;
1040
1041         if (argc > 2)
1042                 return CMD_HELP;
1043         else if (argc == 2) {
1044                 if (strcmp(argv[1], "-t") == 0)
1045                         print_obd = 1;
1046                 else
1047                         return CMD_HELP;
1048         }
1049
1050         if (cfs_get_param_paths(&path, "devices") != 0)
1051                 return -errno;
1052
1053         fp = fopen(path.gl_pathv[0], "r");
1054         if (fp == NULL) {
1055                 fprintf(stderr, "error: %s: %s opening %s\n",
1056                         jt_cmdname(argv[0]), strerror(errno), path.gl_pathv[0]);
1057                 cfs_free_param_data(&path);
1058                 return jt_obd_list_ioctl(argc, argv);
1059         }
1060
1061         while (fgets(buf, sizeof(buf), fp) != NULL)
1062                 if (print_obd)
1063                         print_obd_line(buf);
1064                 else
1065                         printf("%s", buf);
1066
1067         cfs_free_param_data(&path);
1068         fclose(fp);
1069         return 0;
1070 }
1071
1072 struct jt_fid_space {
1073         __u64   jt_seq;
1074         __u64   jt_id;
1075         int     jt_width;
1076 };
1077
1078 int jt_obd_alloc_fids(struct jt_fid_space *space, struct lu_fid *fid,
1079                       __u64 *count)
1080 {
1081         int rc;
1082
1083         if (space->jt_seq == 0 || space->jt_id == space->jt_width) {
1084                 struct obd_ioctl_data  data;
1085                 char rawbuf[MAX_IOC_BUFLEN];
1086                 char *buf = rawbuf;
1087                 __u64 seqnr;
1088                 int max_count;
1089
1090                 memset(&data, 0, sizeof(data));
1091                 data.ioc_dev = cur_device;
1092
1093                 data.ioc_pbuf1 = (char *)&seqnr;
1094                 data.ioc_plen1 = sizeof(seqnr);
1095
1096                 data.ioc_pbuf2 = (char *)&max_count;
1097                 data.ioc_plen2 = sizeof(max_count);
1098
1099                 memset(buf, 0, sizeof(rawbuf));
1100                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1101                 if (rc) {
1102                         fprintf(stderr, "error: invalid ioctl rc = %d\n", rc);
1103                         return rc;
1104                 }
1105
1106                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_ALLOC_SEQ, buf);
1107                 if (rc) {
1108                         fprintf(stderr, "ioctl error: rc = %d\n", rc);
1109                         return rc;
1110                 }
1111
1112                 space->jt_seq = *(__u64 *)data.ioc_pbuf1;
1113                 space->jt_width = *(int *)data.ioc_pbuf2;
1114                 space->jt_id = 1;
1115         }
1116         fid->f_seq = space->jt_seq;
1117         fid->f_oid = space->jt_id;
1118         fid->f_ver = 0;
1119
1120         space->jt_id = space->jt_id + *count;
1121         if (space->jt_id > space->jt_width)
1122                 space->jt_id = space->jt_width;
1123
1124         *count = space->jt_id - fid->f_oid;
1125         return 0;
1126 }
1127
1128 #define MD_STEP_COUNT 1000
1129 int jt_obd_md_common(int argc, char **argv, int cmd)
1130 {
1131         struct obd_ioctl_data  data;
1132         struct timeval         start;
1133         struct timeval         end_time;
1134         char                   rawbuf[MAX_IOC_BUFLEN];
1135         char                  *buf = rawbuf;
1136         int                    mode = 0000644;
1137         int                    create_mode;
1138         int                    rc = 0;
1139         char                  *parent_basedir = NULL;
1140         char                   dirname[4096];
1141         int                    parent_base_id = 0;
1142         int                    parent_count = 1;
1143         __u64                  child_base_id = -1;
1144         int                    stripe_count = 0;
1145         int                    stripe_index = -1;
1146         int                    count = 0;
1147         char                  *end;
1148         __u64                  seconds = 0;
1149         double                 diff;
1150         int                    c;
1151         __u64                  total_count = 0;
1152         char                  *name = NULL;
1153         struct jt_fid_space    fid_space = {0};
1154         int                    version = 0;
1155         struct option long_opts[] = {
1156         { .val = 'b',   .name = "child_base_id",
1157                                                 .has_arg = required_argument },
1158         { .val = 'c',   .name = "stripe_count",
1159                                                 .has_arg = required_argument },
1160         { .val = 'd',   .name = "parent_basedir",
1161                                                 .has_arg = required_argument },
1162         { .val = 'D',   .name = "parent_dircount",
1163                                                 .has_arg = required_argument },
1164         { .val = 'i',   .name = "stripe_index", .has_arg = required_argument },
1165         { .val = 'm',   .name = "mode",         .has_arg = required_argument },
1166         { .val = 'n',   .name = "count",        .has_arg = required_argument },
1167         { .val = 't',   .name = "time",         .has_arg = required_argument },
1168         { .val = 'v',   .name = "version",      .has_arg = no_argument },
1169         { .name = NULL } };
1170
1171         while ((c = getopt_long(argc, argv, "b:c:d:D:m:n:t:v",
1172                                 long_opts, NULL)) >= 0) {
1173                 switch (c) {
1174                 case 'b':
1175                         child_base_id = strtoull(optarg, &end, 0);
1176                         if (*end) {
1177                                 fprintf(stderr, "error: %s: bad child_base_id"
1178                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1179                                 return CMD_HELP;
1180                         }
1181                         break;
1182                 case 'c':
1183                         stripe_count = strtoul(optarg, &end, 0);
1184                         if (*end) {
1185                                 fprintf(stderr, "error: %s: bad stripe count"
1186                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1187                                 return CMD_HELP;
1188                         }
1189                         break;
1190                 case 'd':
1191                         parent_basedir = optarg;
1192                         break;
1193                 case 'D':
1194                         parent_count = strtoul(optarg, &end, 0);
1195                         if (*end) {
1196                                 fprintf(stderr, "error: %s: bad parent count"
1197                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1198                                 return CMD_HELP;
1199                         }
1200                         break;
1201                 case 'i':
1202                         stripe_index = strtoul(optarg, &end, 0);
1203                         if (*end) {
1204                                 fprintf(stderr, "error: %s: bad stripe index"
1205                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1206                                 return CMD_HELP;
1207                         }
1208                         break;
1209                 case 'm':
1210                         mode = strtoul(optarg, &end, 0);
1211                         if (*end) {
1212                                 fprintf(stderr, "error: %s: bad mode '%s'\n",
1213                                         jt_cmdname(argv[0]), optarg);
1214                                 return CMD_HELP;
1215                         }
1216                         break;
1217                 case 'n':
1218                         total_count = strtoul(optarg, &end, 0);
1219                         if (*end || total_count == 0) {
1220                                 fprintf(stderr, "%s: bad child count '%s'\n",
1221                                         jt_cmdname(argv[0]), optarg);
1222                                 return CMD_HELP;
1223                         }
1224                         break;
1225                 case 't':
1226                         seconds = strtoull(optarg, &end, 0);
1227                         if (*end) {
1228                                 fprintf(stderr, "error: %s: seconds '%s'\n",
1229                                         jt_cmdname(argv[0]), optarg);
1230                                 return CMD_HELP;
1231                         }
1232                         break;
1233                 case 'v':
1234                         version = 1;
1235                         break;
1236                 default:
1237                         fprintf(stderr, "error: %s: option '%s' "
1238                                 "unrecognized\n", argv[0], argv[optind - 1]);
1239                         return CMD_HELP;
1240                 }
1241         }
1242
1243         memset(&data, 0, sizeof(data));
1244         data.ioc_dev = cur_device;
1245         if (child_base_id == -1) {
1246                 if (optind >= argc)
1247                         return CMD_HELP;
1248                 name = argv[optind];
1249                 total_count = 1;
1250         } else {
1251                 if (optind < argc) {
1252                         fprintf(stderr, "child_base_id and name can not"
1253                                         " specified at the same time\n");
1254                         return CMD_HELP;
1255                 }
1256         }
1257
1258         if (stripe_count == 0 && stripe_index != -1) {
1259                 fprintf(stderr, "If stripe_count is 0, stripe_index can not"
1260                                 "be specified\n");
1261                 return CMD_HELP;
1262         }
1263
1264         if (total_count == 0 && seconds == 0) {
1265                 fprintf(stderr, "count or seconds needs to be indicated\n");
1266                 return CMD_HELP;
1267         }
1268
1269         if (parent_count <= 0) {
1270                 fprintf(stderr, "parent count must < 0\n");
1271                 return CMD_HELP;
1272         }
1273
1274 #ifdef MAX_THREADS
1275         if (thread) {
1276                 shmem_lock();
1277                 /* threads interleave */
1278                 if (parent_base_id != -1)
1279                         parent_base_id += (thread - 1) % parent_count;
1280
1281                 if (child_base_id != -1)
1282                         child_base_id +=  (thread - 1) * \
1283                                           (MAX_BASE_ID / nthreads);
1284
1285                 shmem_start_time_locked();
1286                 shmem_unlock();
1287         }
1288 #endif
1289         /* If parent directory is not specified, try to get the directory
1290          * from name */
1291         if (parent_basedir == NULL) {
1292                 char *last_lash;
1293                 if (name == NULL) {
1294                         fprintf(stderr, "parent_basedir or name must be"
1295                                         "indicated!\n");
1296                         return CMD_HELP;
1297                 }
1298                 /*Get directory and name from name*/
1299                 last_lash = strrchr(name, '/');
1300                 if (last_lash == NULL || name[0] != '/') {
1301                         fprintf(stderr, "Can not locate %s\n", name);
1302                         return CMD_HELP;
1303                 }
1304
1305                 if (last_lash == name) {
1306                         sprintf(dirname, "%s", "/");
1307                         name++;
1308                 } else {
1309                         int namelen = (unsigned long)last_lash -
1310                                       (unsigned long)name + 1;
1311                         snprintf(dirname, namelen, "%s", name);
1312                         name = last_lash + 1;
1313                 }
1314
1315                 data.ioc_pbuf1 = dirname;
1316                 data.ioc_plen1 = strlen(dirname);
1317
1318                 data.ioc_pbuf2 = name;
1319                 data.ioc_plen2 = strlen(name);
1320         } else {
1321                 if (name != NULL) {
1322                         data.ioc_pbuf2 = name;
1323                         data.ioc_plen2 = strlen(name);
1324                 }
1325                 if (parent_base_id > 0)
1326                         sprintf(dirname, "%s%d", parent_basedir,
1327                                 parent_base_id);
1328                 else
1329                         sprintf(dirname, "%s", parent_basedir);
1330                 data.ioc_pbuf1 = dirname;
1331                 data.ioc_plen1 = strlen(dirname);
1332         }
1333
1334         if (cmd == ECHO_MD_MKDIR || cmd == ECHO_MD_RMDIR)
1335                 create_mode = S_IFDIR;
1336         else
1337                 create_mode = S_IFREG;
1338
1339         data.ioc_obdo1.o_mode = mode | S_IFDIR;
1340         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
1341                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
1342         data.ioc_command = cmd;
1343
1344         gettimeofday(&start, NULL);
1345         while (shmem_running()) {
1346                 struct lu_fid fid = { 0 };
1347
1348                 if (child_base_id != -1)
1349                         data.ioc_obdo2.o_oi.oi.oi_id = child_base_id;
1350                 data.ioc_obdo2.o_mode = mode | create_mode;
1351                 data.ioc_obdo2.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
1352                                          OBD_MD_FLMODE | OBD_MD_FLFLAGS |
1353                                          OBD_MD_FLGROUP;
1354                 data.ioc_obdo2.o_misc = stripe_count;
1355                 data.ioc_obdo2.o_stripe_idx = stripe_index;
1356
1357                 if (total_count > 0) {
1358                         if ((total_count - count) > MD_STEP_COUNT)
1359                                 data.ioc_count = MD_STEP_COUNT;
1360                         else
1361                                 data.ioc_count = total_count - count;
1362                 } else {
1363                         data.ioc_count = MD_STEP_COUNT;
1364                 }
1365
1366                 if (cmd == ECHO_MD_CREATE || cmd == ECHO_MD_MKDIR) {
1367                         /*Allocate fids for the create */
1368                         rc = jt_obd_alloc_fids(&fid_space, &fid,
1369                                                &data.ioc_count);
1370                         if (rc) {
1371                                 fprintf(stderr, "Allocate fids error %d.\n",rc);
1372                                 return rc;
1373                         }
1374                         data.ioc_obdo1.o_oi.oi_fid = fid;
1375                 }
1376
1377                 child_base_id += data.ioc_count;
1378                 count += data.ioc_count;
1379
1380                 memset(buf, 0, sizeof(rawbuf));
1381                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1382                 if (rc) {
1383                         fprintf(stderr, "error: %s: invalid ioctl %d\n",
1384                                 jt_cmdname(argv[0]), rc);
1385                         return rc;
1386                 }
1387
1388                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_MD, buf);
1389                 if (rc) {
1390                         fprintf(stderr, "error: %s: %s\n",
1391                                 jt_cmdname(argv[0]), strerror(rc = errno));
1392                         return rc;
1393                 }
1394                 shmem_bump(data.ioc_count);
1395
1396                 gettimeofday(&end_time, NULL);
1397                 diff = difftime(&end_time, &start);
1398                 if (seconds > 0 && (__u64)diff > seconds)
1399                         break;
1400
1401                 if (count >= total_count && total_count > 0)
1402                         break;
1403         }
1404
1405         if (count > 0 && version) {
1406                 gettimeofday(&end_time, NULL);
1407                 diff = difftime(&end_time, &start);
1408                 printf("%s: %d in %.3fs (%.3f /s): %s",
1409                         jt_cmdname(argv[0]), count, diff,
1410                         (double)count/diff, ctime(&end_time.tv_sec));
1411         }
1412
1413 #ifdef MAX_THREADS
1414         if (thread) {
1415                 shmem_lock();
1416                 shmem_end_time_locked();
1417                 shmem_unlock();
1418         }
1419 #endif
1420         return rc;
1421 }
1422
1423 int jt_obd_test_create(int argc, char **argv)
1424 {
1425         return jt_obd_md_common(argc, argv, ECHO_MD_CREATE);
1426 }
1427
1428 int jt_obd_test_mkdir(int argc, char **argv)
1429 {
1430         return jt_obd_md_common(argc, argv, ECHO_MD_MKDIR);
1431 }
1432
1433 int jt_obd_test_destroy(int argc, char **argv)
1434 {
1435         return jt_obd_md_common(argc, argv, ECHO_MD_DESTROY);
1436 }
1437
1438 int jt_obd_test_rmdir(int argc, char **argv)
1439 {
1440         return jt_obd_md_common(argc, argv, ECHO_MD_RMDIR);
1441 }
1442
1443 int jt_obd_test_lookup(int argc, char **argv)
1444 {
1445         return jt_obd_md_common(argc, argv, ECHO_MD_LOOKUP);
1446 }
1447
1448 int jt_obd_test_setxattr(int argc, char **argv)
1449 {
1450         return jt_obd_md_common(argc, argv, ECHO_MD_SETATTR);
1451 }
1452
1453 int jt_obd_test_md_getattr(int argc, char **argv)
1454 {
1455         return jt_obd_md_common(argc, argv, ECHO_MD_GETATTR);
1456 }
1457
1458 int jt_obd_create(int argc, char **argv)
1459 {
1460         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1461         struct obd_ioctl_data data;
1462         struct timeval next_time;
1463         __u64 count = 1, next_count, base_id = 1;
1464         int verbose = 1, mode = 0100644, rc = 0, i;
1465         char *end;
1466
1467         memset(&data, 0, sizeof(data));
1468         data.ioc_dev = cur_device;
1469         if (argc < 2 || argc > 4)
1470                 return CMD_HELP;
1471
1472         count = strtoull(argv[1], &end, 0);
1473         if (*end) {
1474                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1475                         jt_cmdname(argv[0]), argv[1]);
1476                 return CMD_HELP;
1477         }
1478
1479         if (argc > 2) {
1480                 mode = strtoul(argv[2], &end, 0);
1481                 if (*end) {
1482                         fprintf(stderr, "error: %s: invalid mode '%s'\n",
1483                                 jt_cmdname(argv[0]), argv[2]);
1484                         return CMD_HELP;
1485                 }
1486                 if (!(mode & S_IFMT))
1487                         mode |= S_IFREG;
1488         }
1489
1490         if (argc > 3) {
1491                 verbose = get_verbose(argv[0], argv[3]);
1492                 if (verbose == BAD_VERBOSE)
1493                         return CMD_HELP;
1494         }
1495
1496         printf("%s: %jd objects\n", jt_cmdname(argv[0]), (uintmax_t)count);
1497         gettimeofday(&next_time, NULL);
1498         next_time.tv_sec -= verbose;
1499
1500         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1501         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1502                 /*
1503                  * base_id is 1 so we don't need to worry about it being
1504                  * greater than OBIF_MAX_OID
1505                  */
1506                 data.ioc_obdo1.o_oi.oi_fid.f_oid = base_id;
1507                 data.ioc_obdo1.o_mode = mode;
1508                 data.ioc_obdo1.o_uid = 0;
1509                 data.ioc_obdo1.o_gid = 0;
1510                 data.ioc_obdo1.o_projid = 0;
1511                 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
1512                                          OBD_MD_FLID | OBD_MD_FLUID |
1513                                          OBD_MD_FLGID | OBD_MD_FLGROUP |
1514                                          OBD_MD_FLPROJID;
1515
1516                 memset(buf, 0, sizeof(rawbuf));
1517                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1518                 if (rc) {
1519                         fprintf(stderr, "error: %s: invalid ioctl\n",
1520                                 jt_cmdname(argv[0]));
1521                         return rc;
1522                 }
1523                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
1524                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1525                 shmem_bump(1);
1526                 if (rc < 0) {
1527                         fprintf(stderr, "error: %s: #%d - %s\n",
1528                                 jt_cmdname(argv[0]), i, strerror(rc = errno));
1529                         break;
1530                 }
1531                 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
1532                         fprintf(stderr, "error: %s: oid not valid #%d:%#jx\n",
1533                                 jt_cmdname(argv[0]), i,
1534                                 (uintmax_t)data.ioc_obdo1.o_valid);
1535                         rc = EINVAL;
1536                         break;
1537                 }
1538
1539                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1540                         printf("%s: #%d is object id %#jx\n",
1541                                jt_cmdname(argv[0]), i,
1542                                (uintmax_t) ostid_id(&data.ioc_obdo1.o_oi));
1543         }
1544         return rc;
1545 }
1546
1547 int jt_obd_setattr(int argc, char **argv)
1548 {
1549         struct obd_ioctl_data data;
1550         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1551         __u64 objid;
1552         char *end;
1553         int mode;
1554         int rc;
1555
1556         memset(&data, 0, sizeof(data));
1557         data.ioc_dev = cur_device;
1558         if (argc != 2)
1559                 return CMD_HELP;
1560
1561         objid = strtoull(argv[1], &end, 0);
1562         if (*end) {
1563                 fprintf(stderr, "error: %s: objid '%s' is not a number\n",
1564                         jt_cmdname(argv[0]), argv[1]);
1565                 return CMD_HELP;
1566         }
1567
1568         if (objid >= OBIF_MAX_OID) {
1569                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1570                         jt_cmdname(argv[0]), argv[1]);
1571                 return CMD_HELP;
1572         }
1573
1574         mode = strtoul(argv[2], &end, 0);
1575         if (*end) {
1576                 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1577                         jt_cmdname(argv[0]), argv[2]);
1578                 return CMD_HELP;
1579         }
1580
1581         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1582         data.ioc_obdo1.o_mode = S_IFREG | mode;
1583         data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1584         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1585
1586         memset(buf, 0, sizeof(rawbuf));
1587         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1588         if (rc) {
1589                 fprintf(stderr, "error: %s: invalid ioctl\n",
1590                         jt_cmdname(argv[0]));
1591                 return rc;
1592         }
1593         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
1594         if (rc < 0)
1595                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1596                         strerror(rc = errno));
1597
1598         return rc;
1599 }
1600
1601 int jt_obd_test_setattr(int argc, char **argv)
1602 {
1603         struct obd_ioctl_data data;
1604         struct timeval start, next_time;
1605         __u64 i, count, next_count;
1606         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1607         int verbose = 1;
1608         __u64 objid = 3;
1609         char *end;
1610         int rc = 0;
1611
1612         if (argc < 2 || argc > 4)
1613                 return CMD_HELP;
1614
1615         memset(&data, 0, sizeof(data));
1616         data.ioc_dev = cur_device;
1617         count = strtoull(argv[1], &end, 0);
1618         if (*end) {
1619                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1620                         jt_cmdname(argv[0]), argv[1]);
1621                 return CMD_HELP;
1622         }
1623
1624         if (argc >= 3) {
1625                 verbose = get_verbose(argv[0], argv[2]);
1626                 if (verbose == BAD_VERBOSE)
1627                         return CMD_HELP;
1628         }
1629
1630         if (argc >= 4) {
1631                 if (argv[3][0] == 't') {
1632                         objid = strtoull(argv[3] + 1, &end, 0);
1633                         if (thread)
1634                                 objid += thread - 1;
1635                 } else
1636                         objid = strtoull(argv[3], &end, 0);
1637                 if (*end) {
1638                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1639                                 jt_cmdname(argv[0]), argv[3]);
1640                         return CMD_HELP;
1641                 }
1642         }
1643
1644         gettimeofday(&start, NULL);
1645         next_time.tv_sec = start.tv_sec - verbose;
1646         next_time.tv_usec = start.tv_usec;
1647         if (verbose != 0)
1648                 printf("%s: setting %jd attrs (objid %#jx): %s",
1649                        jt_cmdname(argv[0]), (uintmax_t)count,
1650                        (uintmax_t)objid, ctime(&start.tv_sec));
1651
1652         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1653         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1654                 if (objid >= OBIF_MAX_OID) {
1655                         fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
1656                                 jt_cmdname(argv[0]), objid);
1657                         return -E2BIG;
1658                 }
1659
1660                 data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1661                 data.ioc_obdo1.o_mode = S_IFREG;
1662                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1663                 memset(buf, 0, sizeof(rawbuf));
1664                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1665                 if (rc) {
1666                         fprintf(stderr, "error: %s: invalid ioctl\n",
1667                                 jt_cmdname(argv[0]));
1668                         return rc;
1669                 }
1670                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
1671                 shmem_bump(1);
1672                 if (rc < 0) {
1673                         fprintf(stderr, "error: %s: #%jd - %d:%s\n",
1674                                 jt_cmdname(argv[0]), (uintmax_t)i,
1675                                 errno, strerror(rc = errno));
1676                         break;
1677                 } else {
1678                         if (be_verbose
1679                             (verbose, &next_time, i, &next_count, count))
1680                                 printf("%s: set attr #%jd\n",
1681                                        jt_cmdname(argv[0]), (uintmax_t)i);
1682                 }
1683         }
1684
1685         if (!rc) {
1686                 struct timeval end;
1687                 double diff;
1688
1689                 gettimeofday(&end, NULL);
1690
1691                 diff = difftime(&end, &start);
1692
1693                 --i;
1694                 if (verbose != 0)
1695                         printf("%s: %jd attrs in %.3fs (%.3f attr/s): %s",
1696                                jt_cmdname(argv[0]), (uintmax_t)i, diff,
1697                                i / diff, ctime(&end.tv_sec));
1698         }
1699         return rc;
1700 }
1701
1702 int jt_obd_destroy(int argc, char **argv)
1703 {
1704         struct obd_ioctl_data data;
1705         struct timeval next_time;
1706         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1707         __u64 count = 1, next_count;
1708         int verbose = 1;
1709         __u64 id;
1710         char *end;
1711         int rc = 0, i;
1712
1713         memset(&data, 0, sizeof(data));
1714         data.ioc_dev = cur_device;
1715         if (argc < 2 || argc > 4)
1716                 return CMD_HELP;
1717
1718         id = strtoull(argv[1], &end, 0);
1719         if (*end || id == 0 || errno != 0) {
1720                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1721                         jt_cmdname(argv[0]), argv[1]);
1722                 return CMD_HELP;
1723         }
1724         if (argc > 2) {
1725                 count = strtoull(argv[2], &end, 0);
1726                 if (*end) {
1727                         fprintf(stderr,
1728                                 "error: %s: invalid iteration count '%s'\n",
1729                                 jt_cmdname(argv[0]), argv[2]);
1730                         return CMD_HELP;
1731                 }
1732         }
1733
1734         if (argc > 3) {
1735                 verbose = get_verbose(argv[0], argv[3]);
1736                 if (verbose == BAD_VERBOSE)
1737                         return CMD_HELP;
1738         }
1739
1740         printf("%s: %jd objects\n", jt_cmdname(argv[0]), (uintmax_t)count);
1741         gettimeofday(&next_time, NULL);
1742         next_time.tv_sec -= verbose;
1743
1744         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1745         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++, id++) {
1746                 if (id >= OBIF_MAX_OID) {
1747                         fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
1748                                 jt_cmdname(argv[0]), id);
1749                         return -E2BIG;
1750                 }
1751
1752                 data.ioc_obdo1.o_oi.oi_fid.f_oid = id;
1753                 data.ioc_obdo1.o_mode = S_IFREG | 0644;
1754                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
1755
1756                 memset(buf, 0, sizeof(rawbuf));
1757                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1758                 if (rc) {
1759                         fprintf(stderr, "error: %s: invalid ioctl\n",
1760                                 jt_cmdname(argv[0]));
1761                         return rc;
1762                 }
1763                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
1764                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1765                 shmem_bump(1);
1766                 if (rc < 0) {
1767                         fprintf(stderr, "error: %s: objid %#jx: %s\n",
1768                                 jt_cmdname(argv[0]), (uintmax_t)id,
1769                                 strerror(rc = errno));
1770                         break;
1771                 }
1772
1773                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1774                         printf("%s: #%d is object id %#jx\n",
1775                                jt_cmdname(argv[0]), i, (uintmax_t)id);
1776         }
1777
1778         return rc;
1779 }
1780
1781 int jt_obd_getattr(int argc, char **argv)
1782 {
1783         struct obd_ioctl_data data;
1784         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1785         __u64 objid;
1786         char *end;
1787         int rc;
1788
1789         if (argc != 2)
1790                 return CMD_HELP;
1791
1792         objid = strtoull(argv[1], &end, 0);
1793         if (*end) {
1794                 fprintf(stderr, "error: %s: objid '%s' is not a number\n",
1795                         jt_cmdname(argv[0]), argv[1]);
1796                 return CMD_HELP;
1797         }
1798
1799         if (objid >= OBIF_MAX_OID) {
1800                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1801                         jt_cmdname(argv[0]), argv[1]);
1802                 return CMD_HELP;
1803         }
1804
1805         memset(&data, 0, sizeof(data));
1806         data.ioc_dev = cur_device;
1807         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1808         data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1809         /* to help obd filter */
1810         data.ioc_obdo1.o_mode = 0100644;
1811         data.ioc_obdo1.o_valid = 0xffffffff;
1812         printf("%s: object id %#jx\n", jt_cmdname(argv[0]),
1813                (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi));
1814
1815         memset(buf, 0, sizeof(rawbuf));
1816         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1817         if (rc) {
1818                 fprintf(stderr, "error: %s: invalid ioctl\n",
1819                         jt_cmdname(argv[0]));
1820                 return rc;
1821         }
1822         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
1823         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1824         if (rc) {
1825                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1826                         strerror(rc = errno));
1827         } else {
1828                 printf("%s: object id %ju, mode %o\n", jt_cmdname(argv[0]),
1829                        (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi),
1830                        data.ioc_obdo1.o_mode);
1831         }
1832         return rc;
1833 }
1834
1835 int jt_obd_test_getattr(int argc, char **argv)
1836 {
1837         struct obd_ioctl_data data;
1838         struct timeval start, next_time;
1839         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1840         __u64 i, count, next_count;
1841         int verbose = 1;
1842         __u64 objid = 3;
1843         char *end;
1844         int rc = 0;
1845
1846         if (argc < 2 || argc > 4)
1847                 return CMD_HELP;
1848
1849         memset(&data, 0, sizeof(data));
1850         data.ioc_dev = cur_device;
1851         count = strtoull(argv[1], &end, 0);
1852         if (*end) {
1853                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1854                         jt_cmdname(argv[0]), argv[1]);
1855                 return CMD_HELP;
1856         }
1857
1858         if (argc >= 3) {
1859                 verbose = get_verbose(argv[0], argv[2]);
1860                 if (verbose == BAD_VERBOSE)
1861                         return CMD_HELP;
1862         }
1863
1864         if (argc >= 4) {
1865                 if (argv[3][0] == 't') {
1866                         objid = strtoull(argv[3] + 1, &end, 0);
1867                         if (thread)
1868                                 objid += thread - 1;
1869                 } else
1870                         objid = strtoull(argv[3], &end, 0);
1871                 if (*end) {
1872                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1873                                 jt_cmdname(argv[0]), argv[3]);
1874                         return CMD_HELP;
1875                 }
1876         }
1877
1878         gettimeofday(&start, NULL);
1879         next_time.tv_sec = start.tv_sec - verbose;
1880         next_time.tv_usec = start.tv_usec;
1881         if (verbose != 0)
1882                 printf("%s: getting %jd attrs (objid %#jx): %s",
1883                        jt_cmdname(argv[0]), (uintmax_t) count,
1884                        (uintmax_t)objid, ctime(&start.tv_sec));
1885
1886         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1887         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1888                 if (objid >= OBIF_MAX_OID) {
1889                         fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
1890                                 jt_cmdname(argv[0]), objid);
1891                         return -E2BIG;
1892                 }
1893
1894                 data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
1895                 data.ioc_obdo1.o_mode = S_IFREG;
1896                 data.ioc_obdo1.o_valid = 0xffffffff;
1897                 memset(buf, 0, sizeof(rawbuf));
1898                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1899                 if (rc) {
1900                         fprintf(stderr, "error: %s: invalid ioctl\n",
1901                                 jt_cmdname(argv[0]));
1902                         return rc;
1903                 }
1904                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
1905                 shmem_bump(1);
1906                 if (rc < 0) {
1907                         fprintf(stderr, "error: %s: #%jd - %d:%s\n",
1908                                 jt_cmdname(argv[0]), (uintmax_t)i,
1909                                 errno, strerror(rc = errno));
1910                         break;
1911                 } else {
1912                         if (be_verbose
1913                             (verbose, &next_time, i, &next_count, count))
1914                                 printf("%s: got attr #%jd\n",
1915                                        jt_cmdname(argv[0]), (uintmax_t)i);
1916                 }
1917         }
1918
1919         if (!rc) {
1920                 struct timeval end;
1921                 double diff;
1922
1923                 gettimeofday(&end, NULL);
1924
1925                 diff = difftime(&end, &start);
1926
1927                 --i;
1928                 if (verbose != 0)
1929                         printf("%s: %jd attrs in %.3fs (%.3f attr/s): %s",
1930                                jt_cmdname(argv[0]), (uintmax_t) i, diff,
1931                                i / diff, ctime(&end.tv_sec));
1932         }
1933         return rc;
1934 }
1935
1936 /* test_brw <cnt>                                               count
1937         <r|w[r(repeat)x(noverify)]>                             mode
1938         <q|v|#(print interval)>                                 verbosity
1939         <npages[+offset]>                                       blocksize
1940         <[[<interleave_threads>]t(inc obj by thread#)]obj>      object
1941         [p|g<args>]                                             batch */
1942 int jt_obd_test_brw(int argc, char **argv)
1943 {
1944         struct obd_ioctl_data data;
1945         struct timeval start, next_time;
1946         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1947         __u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
1948         int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
1949         int offset_pages = 0;
1950         long n;
1951         int repeat_offset = 0;
1952         unsigned long long ull;
1953         int  nthr_per_obj = 0;
1954         int  verify = 1;
1955         int  obj_idx = 0;
1956         char *end;
1957
1958         if (argc < 2 || argc > 7) {
1959                 fprintf(stderr, "error: %s: bad number of arguments: %d\n",
1960                         jt_cmdname(argv[0]), argc);
1961                 return CMD_HELP;
1962         }
1963
1964         count = strtoull(argv[1], &end, 0);
1965         if (*end) {
1966                 fprintf(stderr, "error: %s: bad iteration count '%s'\n",
1967                         jt_cmdname(argv[0]), argv[1]);
1968                 return CMD_HELP;
1969         }
1970
1971         if (argc >= 3) {
1972                 if (argv[2][0] == 'w' || argv[2][0] == '1')
1973                         write = 1;
1974                 /* else it's a read */
1975
1976                 if (argv[2][0] != 0)
1977                         for (i = 1; argv[2][i] != 0; i++)
1978                                 switch (argv[2][i]) {
1979                                 case 'r':
1980                                         repeat_offset = 1;
1981                                         break;
1982
1983                                 case 'x':
1984                                         verify = 0;
1985                                         break;
1986
1987                                 default:
1988                                         fprintf (stderr, "Can't parse cmd '%s'\n",
1989                                                  argv[2]);
1990                                         return CMD_HELP;
1991                                 }
1992         }
1993
1994         if (argc >= 4) {
1995                 verbose = get_verbose(argv[0], argv[3]);
1996                 if (verbose == BAD_VERBOSE)
1997                         return CMD_HELP;
1998         }
1999
2000         if (argc >= 5) {
2001                 pages = strtoul(argv[4], &end, 0);
2002
2003                 if (*end == '+')
2004                         offset_pages = strtoul(end + 1, &end, 0);
2005
2006                 if (*end != 0 ||
2007                     offset_pages < 0 || offset_pages >= pages) {
2008                         fprintf(stderr, "error: %s: bad npages[+offset] parameter '%s'\n",
2009                                 jt_cmdname(argv[0]), argv[4]);
2010                         return CMD_HELP;
2011                 }
2012         }
2013
2014         if (argc >= 6) {
2015                 if (thread &&
2016                     (n = strtol(argv[5], &end, 0)) > 0 &&
2017                     *end == 't' &&
2018                     (ull = strtoull(end + 1, &end, 0)) > 0 &&
2019                     *end == 0) {
2020                         nthr_per_obj = n;
2021                         objid = ull;
2022                 } else if (thread &&
2023                            argv[5][0] == 't') {
2024                         nthr_per_obj = 1;
2025                         objid = strtoull(argv[5] + 1, &end, 0);
2026                 } else {
2027                         nthr_per_obj = 0;
2028                         objid = strtoull(argv[5], &end, 0);
2029                 }
2030                 if (*end) {
2031                         fprintf(stderr, "error: %s: bad objid '%s'\n",
2032                                 jt_cmdname(argv[0]), argv[5]);
2033                         return CMD_HELP;
2034                 }
2035         }
2036
2037         memset(&data, 0, sizeof(data));
2038         data.ioc_dev = cur_device;
2039
2040         /* communicate the 'type' of brw test and batching to echo_client.
2041          * don't start.  we'd love to refactor this lctl->echo_client
2042          * interface */
2043         data.ioc_pbuf1 = (void *)1;
2044         data.ioc_plen1 = 1;
2045
2046         if (argc >= 7) {
2047                 switch(argv[6][0]) {
2048                         case 'g': /* plug and unplug */
2049                                 data.ioc_pbuf1 = (void *)2;
2050                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
2051                                                           0);
2052                                 break;
2053                         case 'p': /* prep and commit */
2054                                 data.ioc_pbuf1 = (void *)3;
2055                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
2056                                                           0);
2057                                 break;
2058                         default:
2059                                 fprintf(stderr, "error: %s: batching '%s' "
2060                                         "needs to specify 'p' or 'g'\n",
2061                                         jt_cmdname(argv[0]), argv[6]);
2062                                 return CMD_HELP;
2063                 }
2064
2065                 if (*end) {
2066                         fprintf(stderr, "error: %s: bad batching '%s'\n",
2067                                 jt_cmdname(argv[0]), argv[6]);
2068                         return CMD_HELP;
2069                 }
2070                 data.ioc_plen1 *= getpagesize();
2071         }
2072
2073         len = pages * getpagesize();
2074         thr_offset = offset_pages * getpagesize();
2075         stride = len;
2076
2077 #ifdef MAX_THREADS
2078         if (thread) {
2079                 shmem_lock ();
2080                 if (nthr_per_obj != 0) {
2081                         /* threads interleave */
2082                         obj_idx = (thread - 1)/nthr_per_obj;
2083                         objid += obj_idx;
2084                         stride *= nthr_per_obj;
2085                         if ((thread - 1) % nthr_per_obj == 0) {
2086                                 shared_data->body.offsets[obj_idx] =
2087                                         stride + thr_offset;
2088                         }
2089                         thr_offset += ((thread - 1) % nthr_per_obj) * len;
2090                 } else {
2091                         /* threads disjoint */
2092                         thr_offset += (thread - 1) * len;
2093                 }
2094
2095                 shmem_start_time_locked();
2096                 shmem_unlock ();
2097         }
2098 #endif
2099
2100         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
2101         if (objid >= OBIF_MAX_OID) {
2102                 fprintf(stderr, "errr: %s: invalid objid '%llu'\n",
2103                         jt_cmdname(argv[0]), objid);
2104                 return -E2BIG;
2105         }
2106
2107         data.ioc_obdo1.o_oi.oi_fid.f_oid = objid;
2108         data.ioc_obdo1.o_mode = S_IFREG;
2109         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
2110                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
2111         data.ioc_obdo1.o_flags = (verify ? OBD_FL_DEBUG_CHECK : 0);
2112         data.ioc_count = len;
2113         data.ioc_offset = (repeat_offset ? 0 : thr_offset);
2114
2115         gettimeofday(&start, NULL);
2116         next_time.tv_sec = start.tv_sec - verbose;
2117         next_time.tv_usec = start.tv_usec;
2118
2119         if (verbose != 0)
2120                 printf("%s: %s %jux%d pages (obj %#jx, off %ju): %s",
2121                        jt_cmdname(argv[0]), write ? "writing" : "reading",
2122                        (uintmax_t)count, pages, (uintmax_t) objid,
2123                        (uintmax_t)data.ioc_offset, ctime(&start.tv_sec));
2124
2125         cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
2126         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
2127                 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
2128                 memset(buf, 0, sizeof(rawbuf));
2129                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2130                 if (rc) {
2131                         fprintf(stderr, "error: %s: invalid ioctl\n",
2132                                 jt_cmdname(argv[0]));
2133                         return rc;
2134                 }
2135                 rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
2136                 shmem_bump(1);
2137                 if (rc) {
2138                         fprintf(stderr, "error: %s: #%d - %s on %s\n",
2139                                 jt_cmdname(argv[0]), i, strerror(rc = errno),
2140                                 write ? "write" : "read");
2141                         break;
2142                 } else if (be_verbose(verbose, &next_time,i, &next_count,count)) {
2143                         shmem_lock ();
2144                         printf("%s: %s number %d @ %jd:%ju for %d\n",
2145                                jt_cmdname(argv[0]), write ? "write" : "read", i,
2146                                (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi),
2147                                (uintmax_t)data.ioc_offset,
2148                                (int)(pages * getpagesize()));
2149                         shmem_unlock ();
2150                 }
2151
2152                 if (!repeat_offset) {
2153 #ifdef MAX_THREADS
2154                         if (stride == len) {
2155                                 data.ioc_offset += stride;
2156                         } else if (i < count) {
2157                                 shmem_lock ();
2158                                 data.ioc_offset =
2159                                         shared_data->body.offsets[obj_idx];
2160                                 shared_data->body.offsets[obj_idx] += len;
2161                                 shmem_unlock ();
2162                         }
2163 #else
2164                         data.ioc_offset += len;
2165                         obj_idx = 0; /* avoids an unused var warning */
2166 #endif
2167                 }
2168         }
2169
2170         if (!rc) {
2171                 struct timeval end;
2172                 double diff;
2173
2174                 gettimeofday(&end, NULL);
2175
2176                 diff = difftime(&end, &start);
2177
2178                 --i;
2179                 if (verbose != 0)
2180                         printf("%s: %s %dx%d pages in %.3fs (%.3f MB/s): %s",
2181                                jt_cmdname(argv[0]), write ? "wrote" : "read",
2182                                i, pages, diff,
2183                                ((double)i * pages * getpagesize()) /
2184                                (diff * 1048576.0),
2185                                ctime(&end.tv_sec));
2186         }
2187
2188 #ifdef MAX_THREADS
2189         if (thread) {
2190                 shmem_lock();
2191                 shmem_end_time_locked();
2192                 shmem_unlock();
2193         }
2194 #endif
2195         return rc;
2196 }
2197
2198 int jt_obd_lov_getconfig(int argc, char **argv)
2199 {
2200         struct obd_ioctl_data data;
2201         struct lov_desc desc;
2202         struct obd_uuid *uuidarray;
2203         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2204         __u32 *obdgens;
2205         char *path;
2206         int rc, fd;
2207
2208         memset(&data, 0, sizeof(data));
2209         data.ioc_dev = cur_device;
2210
2211         if (argc != 2)
2212                 return CMD_HELP;
2213
2214         path = argv[1];
2215         fd = open(path, O_RDONLY);
2216         if (fd < 0) {
2217                 fprintf(stderr, "open \"%s\" failed: %s\n", path,
2218                         strerror(errno));
2219                 return -errno;
2220         }
2221
2222         memset(&desc, 0, sizeof(desc));
2223         obd_str2uuid(&desc.ld_uuid, argv[1]);
2224         desc.ld_tgt_count = ((MAX_IOC_BUFLEN-sizeof(data)-sizeof(desc)) /
2225                              (sizeof(*uuidarray) + sizeof(*obdgens)));
2226
2227 repeat:
2228         uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
2229         if (!uuidarray) {
2230                 fprintf(stderr, "error: %s: no memory for %d uuid's\n",
2231                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2232                 rc = -ENOMEM;
2233                 goto out;
2234         }
2235         obdgens = calloc(desc.ld_tgt_count, sizeof(*obdgens));
2236         if (!obdgens) {
2237                 fprintf(stderr, "error: %s: no memory for %d generation #'s\n",
2238                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2239                 rc = -ENOMEM;
2240                 goto out_uuidarray;
2241         }
2242
2243         memset(buf, 0, sizeof(rawbuf));
2244         data.ioc_inllen1 = sizeof(desc);
2245         data.ioc_inlbuf1 = (char *)&desc;
2246         data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
2247         data.ioc_inlbuf2 = (char *)uuidarray;
2248         data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
2249         data.ioc_inlbuf3 = (char *)obdgens;
2250
2251         if (obd_ioctl_pack(&data, &buf, sizeof(rawbuf))) {
2252                 fprintf(stderr, "error: %s: invalid ioctl\n",
2253                         jt_cmdname(argv[0]));
2254                 rc = -EINVAL;
2255                 goto out_obdgens;
2256         }
2257         rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
2258         if (rc == -ENOSPC) {
2259                 free(uuidarray);
2260                 free(obdgens);
2261                 goto repeat;
2262         } else if (rc) {
2263                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2264                         jt_cmdname(argv[0]), strerror(rc = errno));
2265         } else {
2266                 struct obd_uuid *uuidp;
2267                 __u32 *genp;
2268                 int i;
2269
2270                 if (obd_ioctl_unpack(&data, buf, sizeof(rawbuf))) {
2271                         fprintf(stderr, "error: %s: invalid reply\n",
2272                                 jt_cmdname(argv[0]));
2273                         rc = -EINVAL;
2274                         goto out;
2275                 }
2276                 if (desc.ld_default_stripe_count == (__u32)-1)
2277                         printf("default_stripe_count: %d\n", -1);
2278                 else
2279                         printf("default_stripe_count: %u\n",
2280                                desc.ld_default_stripe_count);
2281                 printf("default_stripe_size: %ju\n",
2282                        (uintmax_t)desc.ld_default_stripe_size);
2283                 printf("default_stripe_offset: %ju\n",
2284                        (uintmax_t)desc.ld_default_stripe_offset);
2285                 printf("default_stripe_pattern: %u\n", desc.ld_pattern);
2286                 printf("obd_count: %u\n", desc.ld_tgt_count);
2287                 printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
2288                 uuidp = uuidarray;
2289                 genp = obdgens;
2290                 for (i = 0; i < desc.ld_tgt_count; i++, uuidp++, genp++)
2291                         printf("\t%6u\t%14u\t\t %s\n", i, *genp, (char *)uuidp);
2292         }
2293 out_obdgens:
2294         free(obdgens);
2295 out_uuidarray:
2296         free(uuidarray);
2297 out:
2298         close(fd);
2299         return rc;
2300 }
2301
2302 static int do_activate(int argc, char **argv, int flag)
2303 {
2304         struct obd_ioctl_data data;
2305         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2306         int rc;
2307
2308         memset(&data, 0, sizeof(data));
2309         data.ioc_dev = cur_device;
2310         if (argc != 1)
2311                 return CMD_HELP;
2312
2313         /* reuse offset for 'active' */
2314         data.ioc_offset = flag;
2315
2316         memset(buf, 0, sizeof(rawbuf));
2317         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2318         if (rc) {
2319                 fprintf(stderr, "error: %s: invalid ioctl\n",
2320                         jt_cmdname(argv[0]));
2321                 return rc;
2322         }
2323         rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
2324         if (rc)
2325                 fprintf(stderr, "error: %s: failed: %s\n",
2326                         jt_cmdname(argv[0]), strerror(rc = errno));
2327
2328         return rc;
2329 }
2330
2331 /**
2332  * Replace nids for given device.
2333  * lctl replace_nids <devicename> <nid1>[,nid2,nid3]
2334  * Command should be started on MGS server.
2335  * Only MGS server should be started (command execution
2336  * returns error in another cases). Command mount
2337  * -t lustre <MDT partition> -o nosvc <mount point>
2338  * can be used for that.
2339  *
2340  * llogs for MDTs and clients are processed. All
2341  * records copied as is except add_uuid and setup. This records
2342  * are skipped and recorded with new nids and uuid.
2343  *
2344  * \see mgs_replace_nids
2345  * \see mgs_replace_nids_log
2346  * \see mgs_replace_handler
2347  */
2348 int jt_replace_nids(int argc, char **argv)
2349 {
2350         int rc;
2351         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2352         struct obd_ioctl_data data;
2353
2354         memset(&data, 0, sizeof(data));
2355         data.ioc_dev = get_mgs_device();
2356         if (argc != 3)
2357                 return CMD_HELP;
2358
2359         data.ioc_inllen1 = strlen(argv[1]) + 1;
2360         data.ioc_inlbuf1 = argv[1];
2361
2362         data.ioc_inllen2 = strlen(argv[2]) + 1;
2363         data.ioc_inlbuf2 = argv[2];
2364         memset(buf, 0, sizeof(rawbuf));
2365         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2366         if (rc) {
2367                 fprintf(stderr, "error: %s: invalid ioctl\n",
2368                         jt_cmdname(argv[0]));
2369                 return rc;
2370         }
2371
2372         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_REPLACE_NIDS, buf);
2373         if (rc < 0) {
2374                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2375                         strerror(rc = errno));
2376         }
2377
2378         return rc;
2379 }
2380
2381 int jt_obd_deactivate(int argc, char **argv)
2382 {
2383         return do_activate(argc, argv, 0);
2384 }
2385
2386 int jt_obd_activate(int argc, char **argv)
2387 {
2388         return do_activate(argc, argv, 1);
2389 }
2390
2391 int jt_obd_recover(int argc, char **argv)
2392 {
2393         int rc;
2394         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2395         struct obd_ioctl_data data;
2396
2397         memset(&data, 0, sizeof(data));
2398         data.ioc_dev = cur_device;
2399         if (argc > 2)
2400                 return CMD_HELP;
2401
2402         if (argc == 2) {
2403                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2404                 data.ioc_inlbuf1 = argv[1];
2405         }
2406
2407         memset(buf, 0, sizeof(rawbuf));
2408         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2409         if (rc) {
2410                 fprintf(stderr, "error: %s: invalid ioctl\n",
2411                         jt_cmdname(argv[0]));
2412                 return rc;
2413         }
2414         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
2415         if (rc < 0) {
2416                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2417                         strerror(rc = errno));
2418         }
2419
2420         return rc;
2421 }
2422
2423 int jt_obd_mdc_lookup(int argc, char **argv)
2424 {
2425         struct obd_ioctl_data data;
2426         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2427         char *parent, *child;
2428         int rc, fd, verbose = 1;
2429
2430         if (argc < 3 || argc > 4)
2431                 return CMD_HELP;
2432
2433         parent = argv[1];
2434         child = argv[2];
2435         if (argc == 4)
2436                 verbose = get_verbose(argv[0], argv[3]);
2437
2438         memset(&data, 0, sizeof(data));
2439         data.ioc_dev = cur_device;
2440
2441         data.ioc_inllen1 = strlen(child) + 1;
2442         data.ioc_inlbuf1 = child;
2443
2444         memset(buf, 0, sizeof(rawbuf));
2445         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2446         if (rc) {
2447                 fprintf(stderr, "error: %s: invalid ioctl\n",
2448                         jt_cmdname(argv[0]));
2449                 return rc;
2450         }
2451
2452         fd = open(parent, O_RDONLY);
2453         if (fd < 0) {
2454                 fprintf(stderr, "open \"%s\" failed: %s\n", parent,
2455                         strerror(errno));
2456                 return -1;
2457         }
2458
2459         rc = ioctl(fd, IOC_MDC_LOOKUP, buf);
2460         if (rc < 0) {
2461                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2462                         jt_cmdname(argv[0]), strerror(rc = errno));
2463         }
2464         close(fd);
2465
2466         if (verbose) {
2467                 rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
2468                 if (rc) {
2469                         fprintf(stderr, "error: %s: invalid reply\n",
2470                                 jt_cmdname(argv[0]));
2471                         return rc;
2472                 }
2473                 printf("%s: mode %o uid %d gid %d\n", child,
2474                        data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
2475                        data.ioc_obdo1.o_gid);
2476         }
2477
2478         return rc;
2479 }
2480
2481 int jt_lcfg_fork(int argc, char **argv)
2482 {
2483         struct obd_ioctl_data data;
2484         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2485         int rc;
2486
2487         if (argc != 3)
2488                 return CMD_HELP;
2489
2490         memset(&data, 0, sizeof(data));
2491         data.ioc_dev = get_mgs_device();
2492         data.ioc_inllen1 = strlen(argv[1]) + 1;
2493         data.ioc_inlbuf1 = argv[1];
2494         data.ioc_inllen2 = strlen(argv[2]) + 1;
2495         data.ioc_inlbuf2 = argv[2];
2496
2497         memset(buf, 0, sizeof(rawbuf));
2498         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2499         if (rc) {
2500                 fprintf(stderr, "error: %s: invalid ioctl\n",
2501                         jt_cmdname(argv[0]));
2502                 return rc;
2503         }
2504
2505         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LCFG_FORK, buf);
2506         if (rc < 0)
2507                 fprintf(stderr, "error: %s: OBD_IOC_LCFG_FORK failed: %s\n",
2508                         jt_cmdname(argv[0]), strerror(errno));
2509
2510         return rc;
2511 }
2512
2513 int jt_lcfg_erase(int argc, char **argv)
2514 {
2515         struct obd_ioctl_data data;
2516         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2517         int rc;
2518
2519         if (argc == 3) {
2520                 if (strncmp(argv[2], "-q", strlen("-q")) != 0 &&
2521                     strncmp(argv[2], "--quiet", strlen("--quiet")) != 0)
2522                         return CMD_HELP;
2523         } else if (argc != 2) {
2524                 return CMD_HELP;
2525         }
2526
2527         memset(&data, 0, sizeof(data));
2528         data.ioc_dev = get_mgs_device();
2529         data.ioc_inllen1 = strlen(argv[1]) + 1;
2530         data.ioc_inlbuf1 = argv[1];
2531
2532         memset(buf, 0, sizeof(rawbuf));
2533         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2534         if (rc) {
2535                 fprintf(stderr, "error: %s: invalid ioctl\n",
2536                         jt_cmdname(argv[0]));
2537                 return rc;
2538         }
2539
2540         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LCFG_ERASE, buf);
2541         if (rc < 0)
2542                 fprintf(stderr, "error: %s: OBD_IOC_LCFG_ERASE failed: %s\n",
2543                         jt_cmdname(argv[0]), strerror(errno));
2544
2545         return rc;
2546 }
2547
2548 int jt_llog_catlist(int argc, char **argv)
2549 {
2550         struct obd_ioctl_data data;
2551         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2552         int rc;
2553
2554         if (argc != 1)
2555                 return CMD_HELP;
2556
2557         memset(&data, 0, sizeof(data));
2558         data.ioc_dev = cur_device;
2559         data.ioc_inllen1 = sizeof(rawbuf) - cfs_size_round(sizeof(data));
2560         memset(buf, 0, sizeof(rawbuf));
2561         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2562         if (rc) {
2563                 fprintf(stderr, "error: %s: invalid ioctl\n",
2564                         jt_cmdname(argv[0]));
2565                 return rc;
2566         }
2567         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
2568         if (rc == 0)
2569                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2570         else
2571                 fprintf(stderr, "OBD_IOC_CATLOGLIST failed: %s\n",
2572                         strerror(errno));
2573
2574         return rc;
2575 }
2576
2577 int jt_llog_info(int argc, char **argv)
2578 {
2579         struct obd_ioctl_data data;
2580         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2581         int rc;
2582
2583         if (argc != 2)
2584                 return CMD_HELP;
2585
2586         memset(&data, 0, sizeof(data));
2587         data.ioc_dev = cur_device;
2588         data.ioc_inllen1 = strlen(argv[1]) + 1;
2589         data.ioc_inlbuf1 = argv[1];
2590         data.ioc_inllen2 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2591                 cfs_size_round(data.ioc_inllen1);
2592         memset(buf, 0, sizeof(rawbuf));
2593         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2594         if (rc) {
2595                 fprintf(stderr, "error: %s: invalid ioctl\n",
2596                         jt_cmdname(argv[0]));
2597                 return rc;
2598         }
2599
2600         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
2601         if (rc == 0)
2602                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2603         else
2604                 fprintf(stderr, "OBD_IOC_LLOG_INFO failed: %s\n",
2605                         strerror(errno));
2606
2607         return rc;
2608 }
2609
2610 int jt_llog_print(int argc, char **argv)
2611 {
2612         struct obd_ioctl_data data;
2613         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2614         int rc;
2615
2616         if (argc != 2 && argc != 4)
2617                 return CMD_HELP;
2618
2619         memset(&data, 0, sizeof(data));
2620         data.ioc_dev = cur_device;
2621         data.ioc_inllen1 = strlen(argv[1]) + 1;
2622         data.ioc_inlbuf1 = argv[1];
2623         if (argc == 4) {
2624                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2625                 data.ioc_inlbuf2 = argv[2];
2626                 data.ioc_inllen3 = strlen(argv[3]) + 1;
2627                 data.ioc_inlbuf3 = argv[3];
2628         } else {
2629                 char from[2] = "1", to[3] = "-1";
2630                 data.ioc_inllen2 = strlen(from) + 1;
2631                 data.ioc_inlbuf2 = from;
2632                 data.ioc_inllen3 = strlen(to) + 1;
2633                 data.ioc_inlbuf3 = to;
2634         }
2635         data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2636                 cfs_size_round(data.ioc_inllen1) -
2637                 cfs_size_round(data.ioc_inllen2) -
2638                 cfs_size_round(data.ioc_inllen3);
2639         memset(buf, 0, sizeof(rawbuf));
2640         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2641         if (rc) {
2642                 fprintf(stderr, "error: %s: invalid ioctl\n",
2643                         jt_cmdname(argv[0]));
2644                 return rc;
2645         }
2646
2647         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
2648         if (rc == 0)
2649                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2650         else
2651                 fprintf(stderr, "OBD_IOC_LLOG_PRINT failed: %s\n",
2652                         strerror(errno));
2653
2654         return rc;
2655 }
2656
2657 static int llog_cancel_parse_optional(int argc, char **argv,
2658                                       struct obd_ioctl_data *data)
2659 {
2660         int cOpt;
2661         const char *const short_opts = "c:l:i:h";
2662         const struct option long_opts[] = {
2663         { .val = 'c',   .name = "catalog",      .has_arg = required_argument },
2664         { .val = 'h',   .name = "help",         .has_arg = no_argument },
2665         { .val = 'i',   .name = "log_idx",      .has_arg = required_argument },
2666         { .val = 'l',   .name = "log_id",       .has_arg = required_argument },
2667         { .name = NULL } };
2668
2669         /* sanity check */
2670         if (!data || argc <= 1) {
2671                 return -1;
2672         }
2673
2674         /*now process command line arguments*/
2675         while ((cOpt = getopt_long(argc, argv, short_opts,
2676                                         long_opts, NULL)) != -1) {
2677                 switch (cOpt) {
2678                 case 'c':
2679                         data->ioc_inllen1 = strlen(optarg) + 1;
2680                         data->ioc_inlbuf1 = optarg;
2681                         break;
2682
2683                 case 'l':
2684                         data->ioc_inllen2 = strlen(optarg) + 1;
2685                         data->ioc_inlbuf2 = optarg;
2686                         break;
2687
2688                 case 'i':
2689                         data->ioc_inllen3 = strlen(optarg) + 1;
2690                         data->ioc_inlbuf3 = optarg;
2691                         break;
2692
2693                 case 'h':
2694                 default:
2695                         return -1;
2696                 }
2697         }
2698
2699         if ((data->ioc_inlbuf1 == NULL) || (data->ioc_inlbuf3 == NULL)) {
2700                 /* missing mandatory parameters */
2701                 return -1;
2702         }
2703
2704         return 0;
2705 }
2706
2707 int jt_llog_cancel(int argc, char **argv)
2708 {
2709         struct obd_ioctl_data data;
2710         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2711         int rc, i;
2712
2713         /* check that the arguments provided are either all
2714          * optional or all positional.  No mixing allowed
2715          *
2716          * if argc is 4 or 3 then check all arguments to ensure that none
2717          * of them start with a '-'.  If so then this is invalid.
2718          * Otherwise if arg is > 4 then assume that this is optional
2719          * arguments, and parse as such ignoring any thing that's not
2720          * optional.  The result is that user must use optional arguments
2721          * for all mandatory parameters.  Code will ignore all other args
2722          *
2723          * The positional arguments option should eventually be phased out.
2724          */
2725         memset(&data, 0, sizeof(data));
2726         data.ioc_dev = cur_device;
2727
2728         if (argc == 3 || argc == 4) {
2729                 for (i = 1; i < argc; i++) {
2730                         if (argv[i][0] == '-')
2731                                 return CMD_HELP;
2732                 }
2733                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2734                 data.ioc_inlbuf1 = argv[1];
2735                 if (argc == 4) {
2736                         data.ioc_inllen2 = strlen(argv[2]) + 1;
2737                         data.ioc_inlbuf2 = argv[2];
2738                         data.ioc_inllen3 = strlen(argv[3]) + 1;
2739                         data.ioc_inlbuf3 = argv[3];
2740                 } else {
2741                         data.ioc_inllen3 = strlen(argv[2]) + 1;
2742                         data.ioc_inlbuf3 = argv[2];
2743                 }
2744         } else {
2745                 if (llog_cancel_parse_optional(argc, argv, &data) != 0)
2746                         return CMD_HELP;
2747         }
2748
2749         memset(buf, 0, sizeof(rawbuf));
2750         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2751         if (rc) {
2752                 fprintf(stderr, "error: %s: invalid ioctl\n",
2753                         jt_cmdname(argv[0]));
2754                 return rc;
2755         }
2756
2757         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
2758         if (rc == 0)
2759                 fprintf(stdout, "index %s was canceled.\n",
2760                         argc == 4 ? argv[3] : argv[2]);
2761         else
2762                 fprintf(stderr, "OBD_IOC_LLOG_CANCEL failed: %s\n",
2763                         strerror(errno));
2764
2765         return rc;
2766 }
2767
2768 int jt_llog_check(int argc, char **argv)
2769 {
2770         struct obd_ioctl_data data;
2771         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2772         int rc;
2773
2774         if (argc != 2 && argc != 4)
2775                 return CMD_HELP;
2776
2777         memset(&data, 0, sizeof(data));
2778         data.ioc_dev = cur_device;
2779         data.ioc_inllen1 = strlen(argv[1]) + 1;
2780         data.ioc_inlbuf1 = argv[1];
2781         if (argc == 4) {
2782                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2783                 data.ioc_inlbuf2 = argv[2];
2784                 data.ioc_inllen3 = strlen(argv[3]) + 1;
2785                 data.ioc_inlbuf3 = argv[3];
2786         } else {
2787                 char from[2] = "1", to[3] = "-1";
2788                 data.ioc_inllen2 = strlen(from) + 1;
2789                 data.ioc_inlbuf2 = from;
2790                 data.ioc_inllen3 = strlen(to) + 1;
2791                 data.ioc_inlbuf3 = to;
2792         }
2793         data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2794                 cfs_size_round(data.ioc_inllen1) -
2795                 cfs_size_round(data.ioc_inllen2) -
2796                 cfs_size_round(data.ioc_inllen3);
2797         memset(buf, 0, sizeof(rawbuf));
2798         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2799         if (rc) {
2800                 fprintf(stderr, "error: %s: invalid ioctl\n",
2801                         jt_cmdname(argv[0]));
2802                 return rc;
2803         }
2804
2805         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
2806         if (rc == 0)
2807                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2808         else
2809                 fprintf(stderr, "OBD_IOC_LLOG_CHECK failed: %s\n",
2810                         strerror(errno));
2811         return rc;
2812 }
2813
2814 int jt_llog_remove(int argc, char **argv)
2815 {
2816         struct obd_ioctl_data data;
2817         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2818         int rc;
2819
2820         if (argc != 3 && argc != 2)
2821                 return CMD_HELP;
2822
2823         memset(&data, 0, sizeof(data));
2824         data.ioc_dev = cur_device;
2825         data.ioc_inllen1 = strlen(argv[1]) + 1;
2826         data.ioc_inlbuf1 = argv[1];
2827         if (argc == 3){
2828                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2829                 data.ioc_inlbuf2 = argv[2];
2830         }
2831         memset(buf, 0, sizeof(rawbuf));
2832         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2833         if (rc) {
2834                 fprintf(stderr, "error: %s: invalid ioctl\n",
2835                         jt_cmdname(argv[0]));
2836                 return rc;
2837         }
2838
2839         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
2840         if (rc == 0) {
2841                 if (argc == 2)
2842                         fprintf(stdout, "log %s is removed.\n", argv[1]);
2843                 else
2844                         fprintf(stdout, "the log in catalog %s is removed. \n",
2845                                 argv[1]);
2846         } else
2847                 fprintf(stderr, "OBD_IOC_LLOG_REMOVE failed: %s\n",
2848                         strerror(errno));
2849
2850         return rc;
2851 }
2852
2853 static void signal_server(int sig)
2854 {
2855         if (sig == SIGINT) {
2856                 do_disconnect("sigint", 1);
2857                 exit(1);
2858         } else
2859                 fprintf(stderr, "%s: got signal %d\n", jt_cmdname("sigint"), sig);
2860 }
2861
2862 int obd_initialize(int argc, char **argv)
2863 {
2864         if (shmem_setup() != 0)
2865                 return -1;
2866
2867         register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH);
2868
2869         return 0;
2870 }
2871
2872 void obd_finalize(int argc, char **argv)
2873 {
2874         struct sigaction sigact;
2875
2876         /* sigact initialization */
2877         sigact.sa_handler = signal_server;
2878         sigfillset(&sigact.sa_mask);
2879         sigact.sa_flags = SA_RESTART;
2880         /* coverity[uninit_use_in_call] */
2881         sigaction(SIGINT, &sigact, NULL);
2882
2883         shmem_cleanup();
2884         do_disconnect(argv[0], 1);
2885 }
2886
2887 static int check_pool_cmd(enum lcfg_command_type cmd,
2888                           char *fsname, char *poolname,
2889                           char *ostname)
2890 {
2891         int rc;
2892
2893         rc = llapi_search_ost(fsname, poolname, ostname);
2894         if (rc < 0 && (cmd != LCFG_POOL_NEW)) {
2895                 fprintf(stderr, "Pool %s.%s not found\n",
2896                         fsname, poolname);
2897                 return rc;
2898         }
2899
2900         switch (cmd) {
2901         case LCFG_POOL_NEW: {
2902                 if (ostname != NULL)
2903                         return -EINVAL;
2904
2905                 if (rc >= 0) {
2906                         fprintf(stderr, "Pool %s.%s already exists\n",
2907                                 fsname, poolname);
2908                         return -EEXIST;
2909                 }
2910                 return 0;
2911         }
2912         case LCFG_POOL_DEL: {
2913                 if (ostname != NULL)
2914                         return -EINVAL;
2915
2916                 if (rc == 1) {
2917                         fprintf(stderr, "Pool %s.%s not empty, "
2918                                 "please remove all members\n",
2919                                 fsname, poolname);
2920                         return -ENOTEMPTY;
2921                 }
2922                 return 0;
2923         }
2924         case LCFG_POOL_ADD: {
2925                 if (rc == 1) {
2926                         fprintf(stderr, "OST %s is already in pool %s.%s\n",
2927                                 ostname, fsname, poolname);
2928                         return -EEXIST;
2929                 }
2930                 rc = llapi_search_ost(fsname, NULL, ostname);
2931                 if (rc == 0) {
2932                         fprintf(stderr, "OST %s is not part of the '%s' fs.\n",
2933                                 ostname, fsname);
2934                         return -ENOENT;
2935                 }
2936                 return 0;
2937         }
2938         case LCFG_POOL_REM: {
2939                 if (rc == 0) {
2940                         fprintf(stderr, "OST %s not found in pool %s.%s\n",
2941                                 ostname, fsname, poolname);
2942                         return -ENOENT;
2943                 }
2944                 return 0;
2945         }
2946         default:
2947                 break;
2948         } /* switch */
2949         return -EINVAL;
2950 }
2951
2952 /* This check only verifies that the changes have been "pushed out" to
2953    the client successfully.  This involves waiting for a config update,
2954    and so may fail because of problems in that code or post-command
2955    network loss. So reporting a warning is appropriate, but not a failure.
2956 */
2957 static int check_pool_cmd_result(enum lcfg_command_type cmd,
2958                                  char *fsname, char *poolname,
2959                                  char *ostname)
2960 {
2961         int cpt = 10;
2962         int rc = 0;
2963
2964         switch (cmd) {
2965         case LCFG_POOL_NEW: {
2966                 do {
2967                         rc = llapi_search_ost(fsname, poolname, NULL);
2968                         if (rc == -ENODEV)
2969                                 return rc;
2970                         if (rc < 0)
2971                                 sleep(2);
2972                         cpt--;
2973                 } while ((rc < 0) && (cpt > 0));
2974                 if (rc >= 0) {
2975                         fprintf(stderr, "Pool %s.%s created\n",
2976                                 fsname, poolname);
2977                         return 0;
2978                 } else {
2979                         fprintf(stderr, "Warning, pool %s.%s not found\n",
2980                                 fsname, poolname);
2981                         return -ENOENT;
2982                 }
2983         }
2984         case LCFG_POOL_DEL: {
2985                 do {
2986                         rc = llapi_search_ost(fsname, poolname, NULL);
2987                         if (rc == -ENODEV)
2988                                 return rc;
2989                         if (rc >= 0)
2990                                 sleep(2);
2991                         cpt--;
2992                 } while ((rc >= 0) && (cpt > 0));
2993                 if (rc < 0) {
2994                         fprintf(stderr, "Pool %s.%s destroyed\n",
2995                                 fsname, poolname);
2996                         return 0;
2997                 } else {
2998                         fprintf(stderr, "Warning, pool %s.%s still found\n",
2999                                 fsname, poolname);
3000                         return -EEXIST;
3001                 }
3002         }
3003         case LCFG_POOL_ADD: {
3004                 do {
3005                         rc = llapi_search_ost(fsname, poolname, ostname);
3006                         if (rc == -ENODEV)
3007                                 return rc;
3008                         if (rc != 1)
3009                                 sleep(2);
3010                         cpt--;
3011                 } while ((rc != 1) && (cpt > 0));
3012                 if (rc == 1) {
3013                         fprintf(stderr, "OST %s added to pool %s.%s\n",
3014                                 ostname, fsname, poolname);
3015                         return 0;
3016                 } else {
3017                         fprintf(stderr, "Warning, OST %s not found in pool %s.%s\n",
3018                                 ostname, fsname, poolname);
3019                         return -ENOENT;
3020                 }
3021         }
3022         case LCFG_POOL_REM: {
3023                 do {
3024                         rc = llapi_search_ost(fsname, poolname, ostname);
3025                         if (rc == -ENODEV)
3026                                 return rc;
3027                         if (rc == 1)
3028                                 sleep(2);
3029                         cpt--;
3030                 } while ((rc == 1) && (cpt > 0));
3031                 if (rc != 1) {
3032                         fprintf(stderr, "OST %s removed from pool %s.%s\n",
3033                                 ostname, fsname, poolname);
3034                         return 0;
3035                 } else {
3036                         fprintf(stderr, "Warning, OST %s still found in pool %s.%s\n",
3037                                 ostname, fsname, poolname);
3038                         return -EEXIST;
3039                 }
3040         }
3041         default:
3042                 break;
3043         }
3044         return -EINVAL;
3045 }
3046
3047 static int check_and_complete_ostname(char *fsname, char *ostname)
3048 {
3049         char *ptr;
3050         char real_ostname[MAX_OBD_NAME + 1];
3051         char i;
3052
3053         /* if OST name does not start with fsname, we add it */
3054         /* if not check if the fsname is the right one */
3055         ptr = strchr(ostname, '-');
3056         if (ptr == NULL) {
3057                 sprintf(real_ostname, "%s-%s", fsname, ostname);
3058         } else if (strncmp(ostname, fsname, strlen(fsname)) != 0) {
3059                 fprintf(stderr, "%s does not start with fsname %s\n",
3060                         ostname, fsname);
3061                 return -EINVAL;
3062         } else {
3063                 if (strlen(ostname) > sizeof(real_ostname)-1)
3064                         return -E2BIG;
3065                 strncpy(real_ostname, ostname, sizeof(real_ostname));
3066         }
3067         /* real_ostname is fsname-????? */
3068         ptr = real_ostname + strlen(fsname) + 1;
3069         if (strncmp(ptr, "OST", 3) != 0) {
3070                 fprintf(stderr, "%s does not start by %s-OST nor OST\n",
3071                         ostname, fsname);
3072                 return -EINVAL;
3073         }
3074         /* real_ostname is fsname-OST????? */
3075         ptr += 3;
3076         for (i = 0; i < 4; i++) {
3077                 if (!isxdigit(*ptr)) {
3078                         fprintf(stderr,
3079                                 "ost's index in %s is not an hexa number\n",
3080                                 ostname);
3081                         return -EINVAL;
3082                 }
3083                 ptr++;
3084         }
3085         /* real_ostname is fsname-OSTXXXX????? */
3086         /* if OST name does not end with _UUID, we add it */
3087         if (*ptr == '\0') {
3088                 strcat(real_ostname, "_UUID");
3089         } else if (strcmp(ptr, "_UUID") != 0) {
3090                 fprintf(stderr,
3091                         "ostname %s does not end with _UUID\n", ostname);
3092                 return -EINVAL;
3093         }
3094         /* real_ostname is fsname-OSTXXXX_UUID */
3095         strcpy(ostname, real_ostname);
3096         return 0;
3097 }
3098
3099 /* returns 0 or -errno */
3100 static int pool_cmd(enum lcfg_command_type cmd,
3101                     char *cmdname, char *fullpoolname,
3102                     char *fsname, char *poolname, char *ostname)
3103 {
3104         int rc = 0;
3105         struct obd_ioctl_data data;
3106         struct lustre_cfg_bufs bufs;
3107         struct lustre_cfg *lcfg;
3108         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
3109
3110         rc = check_pool_cmd(cmd, fsname, poolname, ostname);
3111         if (rc == -ENODEV)
3112                 fprintf(stderr, "Can't verify pool command since there "
3113                         "is no local MDT or client, proceeding anyhow...\n");
3114         else if (rc)
3115                 return rc;
3116
3117         lustre_cfg_bufs_reset(&bufs, NULL);
3118         lustre_cfg_bufs_set_string(&bufs, 0, cmdname);
3119         lustre_cfg_bufs_set_string(&bufs, 1, fullpoolname);
3120         if (ostname != NULL)
3121                 lustre_cfg_bufs_set_string(&bufs, 2, ostname);
3122
3123
3124         lcfg = malloc(lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
3125         if (lcfg == NULL)
3126                 return -ENOMEM;
3127         lustre_cfg_init(lcfg, cmd, &bufs);
3128
3129         memset(&data, 0, sizeof(data));
3130         rc = data.ioc_dev = get_mgs_device();
3131         if (rc < 0)
3132                 goto out;
3133
3134         data.ioc_type = LUSTRE_CFG_TYPE;
3135         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3136                                         lcfg->lcfg_buflens);
3137         data.ioc_pbuf1 = (void *)lcfg;
3138
3139         memset(buf, 0, sizeof(rawbuf));
3140         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
3141         if (rc) {
3142                 fprintf(stderr, "error: %s: invalid ioctl\n",
3143                         jt_cmdname(cmdname));
3144                 free(lcfg);
3145                 return rc;
3146         }
3147         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_POOL, buf);
3148 out:
3149         if (rc)
3150                 rc = -errno;
3151         switch (rc) {
3152         case -ENAMETOOLONG:
3153                 fprintf(stderr, "error: %s: either the pool or file "
3154                         "system name is too long (max pool name len "
3155                         "is %d and file system name is %d)\n",
3156                         jt_cmdname(cmdname), LOV_MAXPOOLNAME,
3157                         LUSTRE_MAXFSNAME);
3158                 break;
3159         case -EINVAL:
3160                 fprintf(stderr, "error: %s can contain only "
3161                         "alphanumeric characters, underscores, and "
3162                         "dashes besides the required '.'\n",
3163                         jt_cmdname(cmdname));
3164         default:
3165                 break;
3166         }
3167         free(lcfg);
3168         return rc;
3169 }
3170
3171 /**
3172  * Format and send the ioctl to the MGS.
3173  *
3174  * \param       cmd             IOCTL to send
3175  * \param       ret_data        void pointer to return anything from
3176  *                              ioctl
3177  * \param       num_args        number of arguments to pack into the
3178  *                              ioctl buffer
3179  * \param       argv[]          variable number of string arguments
3180  *
3181  * \retval                      0 on success
3182  */
3183 static int nodemap_cmd(enum lcfg_command_type cmd, void *ret_data,
3184                        unsigned int ret_size, ...)
3185 {
3186         va_list                 ap;
3187         char                    *arg;
3188         int                     i = 0;
3189         struct lustre_cfg_bufs  bufs;
3190         struct obd_ioctl_data   data;
3191         struct lustre_cfg       *lcfg;
3192         char                    rawbuf[MAX_IOC_BUFLEN];
3193         char                    *buf = rawbuf;
3194         int                     rc = 0;
3195
3196         lustre_cfg_bufs_reset(&bufs, NULL);
3197
3198         va_start(ap, ret_size);
3199         arg = va_arg(ap, char *);
3200         while (arg != NULL) {
3201                 lustre_cfg_bufs_set_string(&bufs, i, arg);
3202                 i++;
3203                 arg = va_arg(ap, char *);
3204         }
3205         va_end(ap);
3206
3207         lcfg = malloc(lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
3208         if (lcfg == NULL)
3209                 return -ENOMEM;
3210         lustre_cfg_init(lcfg, cmd, &bufs);
3211
3212         memset(&data, 0, sizeof(data));
3213         rc = data.ioc_dev = get_mgs_device();
3214         if (rc < 0)
3215                 goto out;
3216
3217         data.ioc_type = LUSTRE_CFG_TYPE;
3218         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3219                          lcfg->lcfg_buflens);
3220         data.ioc_pbuf1 = (void *)lcfg;
3221
3222         memset(buf, 0, sizeof(rawbuf));
3223         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
3224         if (rc != 0) {
3225                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3226                                "rc=%d\n", cmd, errno, rc);
3227                 goto out;
3228         }
3229
3230         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_NODEMAP, buf);
3231         if (rc != 0) {
3232                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3233                                "rc=%d\n", cmd, errno, rc);
3234                 goto out;
3235         }
3236
3237         if (ret_data != NULL) {
3238                 rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
3239                 if (rc != 0)
3240                         goto out;
3241
3242                 if (ret_size > data.ioc_plen1)
3243                         ret_size = data.ioc_plen1;
3244
3245                 memcpy(ret_data, data.ioc_pbuf1, ret_size);
3246         }
3247 out:
3248         free(lcfg);
3249
3250         return rc;
3251 }
3252
3253 /**
3254  * activate nodemap functions
3255  *
3256  * \param       argc            number of args
3257  * \param       argv[]          variable string arguments
3258  *
3259  * argv[0]                      1 for activate or 0 for deactivate
3260  *
3261  * \retval                      0 on success
3262  */
3263 int jt_nodemap_activate(int argc, char **argv)
3264 {
3265         int rc;
3266
3267         rc = nodemap_cmd(LCFG_NODEMAP_ACTIVATE, NULL, 0, argv[0], argv[1],
3268                          NULL);
3269
3270         if (rc != 0) {
3271                 errno = -rc;
3272                 perror(argv[0]);
3273         }
3274
3275         return rc;
3276 }
3277
3278 /**
3279  * add a nodemap
3280  *
3281  * \param       argc            number of args
3282  * \param       argv[]          variable string arguments
3283  *
3284  * argv[0]                      nodemap name
3285  *
3286  * \retval                      0 on success
3287  */
3288 int jt_nodemap_add(int argc, char **argv)
3289 {
3290         int rc;
3291
3292         rc = llapi_nodemap_exists(argv[1]);
3293         if (rc == 0) {
3294                 fprintf(stderr, "error: %s existing nodemap name\n", argv[1]);
3295                 return 1;
3296         }
3297
3298         rc = nodemap_cmd(LCFG_NODEMAP_ADD, NULL, 0, argv[0], argv[1], NULL);
3299
3300         if (rc != 0) {
3301                 errno = -rc;
3302                 perror(argv[0]);
3303         }
3304
3305         return rc;
3306 }
3307
3308 /**
3309  * delete a nodemap
3310  *
3311  * \param       argc            number of args
3312  * \param       argv[]          variable string arguments
3313  *
3314  * argv[0]                      nodemap name
3315  *
3316  * \retval                      0 on success
3317  */
3318 int jt_nodemap_del(int argc, char **argv)
3319 {
3320         int rc;
3321
3322         rc = llapi_nodemap_exists(argv[1]);
3323         if (rc != 0) {
3324                 fprintf(stderr, "error: %s not existing nodemap name\n",
3325                         argv[1]);
3326                 return rc;
3327         }
3328         rc = nodemap_cmd(LCFG_NODEMAP_DEL, NULL, 0, argv[0], argv[1], NULL);
3329
3330         if (rc != 0) {
3331                 errno = -rc;
3332                 perror(argv[0]);
3333         }
3334
3335         return rc;
3336 }
3337
3338 /**
3339  * test a nid for nodemap membership
3340  *
3341  * \param       argc            number of args
3342  * \param       argv[]          variable string arguments
3343  *
3344  * argv[0]                      properly formatted nid
3345  *
3346  * \retval                      0 on success
3347  */
3348 int jt_nodemap_test_nid(int argc, char **argv)
3349 {
3350
3351         char    rawbuf[MAX_IOC_BUFLEN];
3352         int     rc;
3353
3354         rc = nodemap_cmd(LCFG_NODEMAP_TEST_NID, &rawbuf, sizeof(rawbuf),
3355                          argv[0], argv[1], NULL);
3356         if (rc == 0)
3357                 printf("%s\n", (char *)rawbuf);
3358
3359         return rc;
3360 }
3361
3362 /**
3363  * test a nodemap id pair for mapping
3364  *
3365  * \param       argc            number of args
3366  * \param       argv[[]         variable string arguments
3367  *
3368  * \retval                      0 on success
3369  *
3370  * The argv array should contain the nodemap name, the id
3371  * to checking the mapping on, and the id type (UID or GID)
3372  *
3373  */
3374 int jt_nodemap_test_id(int argc, char **argv)
3375 {
3376         char    rawbuf[MAX_IOC_BUFLEN];
3377         char    *nidstr = NULL;
3378         char    *idstr = NULL;
3379         char    *typestr = NULL;
3380         int     rc = 0;
3381         int     c;
3382
3383         static struct option long_opts[] = {
3384                 { .val = 'i',   .name = "id",   .has_arg = required_argument },
3385                 { .val = 'n',   .name = "nid",  .has_arg = required_argument },
3386                 { .val = 't',   .name = "idtype",
3387                                                 .has_arg = required_argument },
3388                 { .name = NULL } };
3389
3390         while ((c = getopt_long(argc, argv, "n:t:i:",
3391                                 long_opts, NULL)) != -1) {
3392                 switch (c) {
3393                 case 'n':
3394                         nidstr = optarg;
3395                         break;
3396                 case 't':
3397                         typestr = optarg;
3398                         break;
3399                 case 'i':
3400                         idstr = optarg;
3401                         break;
3402                 }
3403         }
3404
3405         if (nidstr == NULL || typestr == NULL || idstr == NULL) {
3406                 fprintf(stderr, "usage: nodemap_test_id --nid <nid> "
3407                                 "--idtype [uid|gid] --id <id>\n");
3408                 return -1;
3409         }
3410
3411         rc = nodemap_cmd(LCFG_NODEMAP_TEST_ID, &rawbuf, sizeof(rawbuf),
3412                          argv[0], nidstr, typestr, idstr);
3413         if (rc == 0)
3414                 printf("%s\n", (char *)rawbuf);
3415
3416         return rc;
3417 }
3418
3419 /**
3420  * add an nid range to a nodemap
3421  *
3422  * \param       argc            number of args
3423  * \param       argv[]          variable string arguments
3424  *
3425  * --name                       nodemap name
3426  * --range                      properly formatted nid range
3427  *
3428  * \retval                      0 on success
3429  */
3430 int jt_nodemap_add_range(int argc, char **argv)
3431 {
3432         char                    *nodemap_name = NULL;
3433         char                    *nodemap_range = NULL;
3434         struct list_head        nidlist;
3435         char                    min_nid[LNET_NIDSTR_SIZE + 1];
3436         char                    max_nid[LNET_NIDSTR_SIZE + 1];
3437         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
3438         int                     rc = 0;
3439         int                     c;
3440
3441         static struct option long_opts[] = {
3442         { .val = 'n',   .name = "name",         .has_arg = required_argument },
3443         { .val = 'r',   .name = "range",        .has_arg = required_argument },
3444         { .name = NULL } };
3445
3446         INIT_LIST_HEAD(&nidlist);
3447
3448         while ((c = getopt_long(argc, argv, "n:r:",
3449                                 long_opts, NULL)) != -1) {
3450                 switch (c) {
3451                 case 'n':
3452                         nodemap_name = optarg;
3453                         break;
3454                 case 'r':
3455                         nodemap_range = optarg;
3456                         break;
3457                 }
3458         }
3459
3460         if (nodemap_name == NULL || nodemap_range == NULL) {
3461                 fprintf(stderr, "usage: nodemap_add_range --name <name> "
3462                                 "--range <range>\n");
3463                 return -1;
3464         }
3465
3466         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
3467                               &nidlist) <= 0) {
3468                 fprintf(stderr, "error: %s: can't parse nid range: %s\n",
3469                         jt_cmdname(argv[0]), nodemap_range);
3470                 return -1;
3471         }
3472
3473         if (!cfs_nidrange_is_contiguous(&nidlist)) {
3474                 fprintf(stderr, "error: %s: nodemap ranges must be "
3475                         "contiguous\n", jt_cmdname(argv[0]));
3476                 return -1;
3477         }
3478
3479         cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
3480                                   LNET_NIDSTR_SIZE);
3481         snprintf(nid_range, sizeof(nid_range), "%s:%s", min_nid, max_nid);
3482
3483         rc = nodemap_cmd(LCFG_NODEMAP_ADD_RANGE, NULL, 0, argv[0],
3484                          nodemap_name, nid_range, NULL);
3485         if (rc != 0) {
3486                 errno = -rc;
3487                 fprintf(stderr, "error: %s: cannot add range '%s' to nodemap "
3488                                 "'%s': rc = %d\n",
3489                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
3490         }
3491
3492         return rc;
3493 }
3494
3495 /**
3496  * delete an nid range to a nodemap
3497  *
3498  * \param       argc            number of args
3499  * \param       argv[]          variable string arguments
3500  *
3501  * --name                       nodemap name
3502  * --range                      properly formatted nid range
3503  *
3504  * \retval                      0 on success
3505  */
3506 int jt_nodemap_del_range(int argc, char **argv)
3507 {
3508         char                    *nodemap_name = NULL;
3509         char                    *nodemap_range = NULL;
3510         struct list_head        nidlist;
3511         char                    min_nid[LNET_NIDSTR_SIZE + 1];
3512         char                    max_nid[LNET_NIDSTR_SIZE + 1];
3513         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
3514         int                     rc = 0;
3515         int                     c;
3516
3517         static struct option long_opts[] = {
3518         { .val = 'n',   .name = "name",         .has_arg = required_argument },
3519         { .val = 'r',   .name = "range",        .has_arg = required_argument },
3520         { .name = NULL } };
3521
3522         INIT_LIST_HEAD(&nidlist);
3523
3524         while ((c = getopt_long(argc, argv, "n:r:",
3525                                 long_opts, NULL)) != -1) {
3526                 switch (c) {
3527                 case 'n':
3528                         nodemap_name = optarg;
3529                         break;
3530                 case 'r':
3531                         nodemap_range = optarg;
3532                         break;
3533                 }
3534         }
3535
3536         if (nodemap_name == NULL || nodemap_range == NULL) {
3537                 fprintf(stderr, "usage: nodemap_del_range --name <name> "
3538                                 "--range <range>\n");
3539                 return -1;
3540         }
3541
3542         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
3543                               &nidlist) <= 0) {
3544                 fprintf(stderr, "error: %s: can't parse nid range: %s\n",
3545                         jt_cmdname(argv[0]), nodemap_range);
3546                 return -1;
3547         }
3548
3549         if (!cfs_nidrange_is_contiguous(&nidlist)) {
3550                 fprintf(stderr, "error: %s: nodemap ranges must be "
3551                         "contiguous\n", jt_cmdname(argv[0]));
3552                 return -1;
3553         }
3554
3555         cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
3556                                   LNET_NIDSTR_SIZE);
3557         snprintf(nid_range, sizeof(nid_range), "%s:%s", min_nid, max_nid);
3558
3559         rc = nodemap_cmd(LCFG_NODEMAP_DEL_RANGE, NULL, 0, argv[0],
3560                          nodemap_name, nid_range, NULL);
3561         if (rc != 0) {
3562                 errno = -rc;
3563                 fprintf(stderr, "error: %s: cannot delete range '%s' to "
3564                                "nodemap '%s': rc = %d\n",
3565                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
3566         }
3567
3568         return rc;
3569 }
3570
3571 /**
3572  * set a fileset on a nodemap
3573  *
3574  * \param       argc            number of args
3575  * \param       argv[]          variable string arguments
3576  *
3577  * --name                       nodemap name
3578  * --fileset                    fileset name
3579  *
3580  * \retval                      0 on success
3581  */
3582 int jt_nodemap_set_fileset(int argc, char **argv)
3583 {
3584         char *nodemap_name = NULL;
3585         char *fileset_name = NULL;
3586         int   rc = 0;
3587         int   c;
3588
3589         static struct option long_opts[] = {
3590         { .val = 'f',   .name = "fileset",      .has_arg = required_argument },
3591         { .val = 'n',   .name = "name",         .has_arg = required_argument },
3592         { .name = NULL } };
3593
3594         while ((c = getopt_long(argc, argv, "n:f:",
3595                                 long_opts, NULL)) != -1) {
3596                 switch (c) {
3597                 case 'n':
3598                         nodemap_name = optarg;
3599                         break;
3600                 case 'f':
3601                         fileset_name = optarg;
3602                         break;
3603                 }
3604         }
3605
3606         if (nodemap_name == NULL || fileset_name == NULL) {
3607                 fprintf(stderr, "usage: nodemap_set_fileset --name <name> "
3608                                 "--fileset <fileset>\n");
3609                 return -1;
3610         }
3611
3612         rc = nodemap_cmd(LCFG_NODEMAP_SET_FILESET, NULL, 0, argv[0],
3613                          nodemap_name, fileset_name, NULL);
3614         if (rc != 0) {
3615                 errno = -rc;
3616                 fprintf(stderr, "error: %s: cannot set fileset '%s' on nodemap "
3617                                 "'%s': rc = %d\n",
3618                         jt_cmdname(argv[0]), fileset_name, nodemap_name, rc);
3619         }
3620
3621         return rc;
3622 }
3623
3624 /**
3625  * modify a nodemap's behavior
3626  *
3627  * \param       argc            number of args
3628  * \param       argv[]          variable string arguments
3629  *
3630  * --name                       nodemap name
3631  * --property                   nodemap property to change
3632  *                              admin, trusted, squash_uid, squash_gid)
3633  * --value                      value to set property
3634  *
3635  * \retval                      0 on success
3636  */
3637 int jt_nodemap_modify(int argc, char **argv)
3638 {
3639         int                     c;
3640         int                     rc = 0;
3641         enum lcfg_command_type  cmd = 0;
3642         char                    *nodemap_name = NULL;
3643         char                    *param = NULL;
3644         char                    *value = NULL;
3645
3646         static struct option long_opts[] = {
3647         { .val = 'n',   .name = "name",         .has_arg = required_argument },
3648         { .val = 'p',   .name = "property",     .has_arg = required_argument },
3649         { .val = 'v',   .name = "value",        .has_arg = required_argument },
3650         { .name = NULL } };
3651
3652         while ((c = getopt_long(argc, argv, "n:p:v:",
3653                                 long_opts, NULL)) != -1) {
3654                 switch (c) {
3655                 case 'n':
3656                         nodemap_name = optarg;
3657                         break;
3658                 case 'p':
3659                         param = optarg;
3660                         break;
3661                 case 'v':
3662                         value = optarg;
3663                         break;
3664                 }
3665         }
3666
3667         if (nodemap_name == NULL || param == NULL || value == NULL) {
3668                 fprintf(stderr, "usage: nodemap_modify --name <nodemap_name> "
3669                                 "--property <property_name> --value <value>\n");
3670                 fprintf(stderr, "valid properties: admin trusted map_mode "
3671                                 "squash_uid squash_gid deny_unknown\n");
3672                 return -1;
3673         }
3674
3675         if (strcmp("admin", param) == 0) {
3676                 cmd = LCFG_NODEMAP_ADMIN;
3677         } else if (strcmp("trusted", param) == 0) {
3678                 cmd = LCFG_NODEMAP_TRUSTED;
3679         } else if (strcmp("deny_unknown", param) == 0) {
3680                 cmd = LCFG_NODEMAP_DENY_UNKNOWN;
3681         } else if (strcmp("squash_uid", param) == 0) {
3682                 cmd = LCFG_NODEMAP_SQUASH_UID;
3683         } else if (strcmp("squash_gid", param) == 0) {
3684                 cmd = LCFG_NODEMAP_SQUASH_GID;
3685         } else if (strcmp("map_mode", param) == 0) {
3686                 cmd = LCFG_NODEMAP_MAP_MODE;
3687         } else {
3688                 fprintf(stderr, "error: %s: nodemap_modify invalid "
3689                                 "subcommand: %s\n",
3690                         jt_cmdname(argv[0]), param);
3691                 return -1;
3692         }
3693
3694         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, param,
3695                          value, NULL);
3696         if (rc != 0) {
3697                 errno = -rc;
3698                 fprintf(stderr, "error: %s: cannot modify nodemap '%s' "
3699                                "to param '%s': value '%s': rc = %d\n",
3700                         jt_cmdname(argv[0]), nodemap_name, param, value, rc);
3701         }
3702
3703         return rc;
3704 }
3705
3706 int jt_nodemap_add_idmap(int argc, char **argv)
3707 {
3708         int                     c;
3709         enum                    lcfg_command_type cmd = 0;
3710         char                    *nodemap_name = NULL;
3711         char                    *idmap = NULL;
3712         char                    *idtype = NULL;
3713         int                     rc = 0;
3714
3715         static struct option long_opts[] = {
3716         { .val = 'i',   .name = "idtype",       .has_arg = required_argument },
3717         { .val = 'm',   .name = "idmap",        .has_arg = required_argument },
3718         { .val = 'n',   .name = "name",         .has_arg = required_argument },
3719         { .name = NULL } };
3720
3721         while ((c = getopt_long(argc, argv, "n:m:i:",
3722                                 long_opts, NULL)) != -1) {
3723                 switch (c) {
3724                 case 'n':
3725                         nodemap_name = optarg;
3726                         break;
3727                 case 'm':
3728                         idmap = optarg;
3729                         break;
3730                 case 'i':
3731                         idtype = optarg;
3732                         break;
3733                 }
3734         }
3735
3736         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
3737                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3738                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3739                 return -1;
3740         }
3741
3742         if (strcmp("uid", idtype) == 0) {
3743                 cmd = LCFG_NODEMAP_ADD_UIDMAP;
3744         } else if (strcmp("gid", idtype) == 0) {
3745                 cmd = LCFG_NODEMAP_ADD_GIDMAP;
3746         } else {
3747                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3748                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3749                 return -1;
3750         }
3751
3752         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
3753         if (rc != 0) {
3754                 errno = -rc;
3755                 fprintf(stderr, "cannot add %smap '%s' to nodemap '%s'"
3756                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
3757         }
3758
3759         return rc;
3760 }
3761
3762 int jt_nodemap_del_idmap(int argc, char **argv)
3763 {
3764         int                     c;
3765         enum                    lcfg_command_type cmd = 0;
3766         char                    *nodemap_name = NULL;
3767         char                    *idmap = NULL;
3768         char                    *idtype = NULL;
3769         int                     rc = 0;
3770
3771         static struct option long_opts[] = {
3772         { .val = 'i',   .name = "idtype",       .has_arg = required_argument },
3773         { .val = 'm',   .name = "idmap",        .has_arg = required_argument },
3774         { .val = 'n',   .name = "name",         .has_arg = required_argument },
3775         { .name = NULL } };
3776
3777         while ((c = getopt_long(argc, argv, "n:m:i:",
3778                                 long_opts, NULL)) != -1) {
3779                 switch (c) {
3780                 case 'n':
3781                         nodemap_name = optarg;
3782                         break;
3783                 case 'm':
3784                         idmap = optarg;
3785                         break;
3786                 case 'i':
3787                         idtype = optarg;
3788                         break;
3789                 }
3790         }
3791
3792         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
3793                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3794                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3795                 return -1;
3796         }
3797
3798         if (strcmp("uid", idtype) == 0)
3799                 cmd = LCFG_NODEMAP_DEL_UIDMAP;
3800         else
3801                 cmd = LCFG_NODEMAP_DEL_GIDMAP;
3802
3803         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
3804         if (rc != 0) {
3805                 errno = -rc;
3806                 fprintf(stderr, "cannot delete %smap '%s' from nodemap '%s'"
3807                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
3808         }
3809
3810         return rc;
3811 }
3812
3813 /*
3814  * this function tranforms a rule [start-end/step] into an array
3815  * of matching numbers
3816  * supported forms are:
3817  * [start]                : just this number
3818  * [start-end]            : all numbers from start to end
3819  * [start-end/step]       : numbers from start to end with increment of step
3820  * on return, format contains a printf format string which can be used
3821  * to generate all the strings
3822  */
3823 static int get_array_idx(char *rule, char *format, int **array)
3824 {
3825         char *start, *end, *ptr;
3826         unsigned int lo, hi, step;
3827         int array_sz = 0;
3828         int i, array_idx;
3829         int rc;
3830
3831         start = strchr(rule, '[');
3832         end = strchr(rule, ']');
3833         if ((start == NULL) || (end == NULL)) {
3834                 *array = malloc(sizeof(int));
3835                 if (*array == NULL)
3836                         return 0;
3837                 strcpy(format, rule);
3838                 array_sz = 1;
3839                 return array_sz;
3840         }
3841         *start = '\0';
3842         *end = '\0';
3843         end++;
3844         start++;
3845         /* put in format the printf format (the rule without the range) */
3846         sprintf(format, "%s%%.4x%s", rule, end);
3847
3848         array_idx = 0;
3849         array_sz = 0;
3850         *array = NULL;
3851         /* loop on , separator */
3852         do {
3853                 /* extract the 3 fields */
3854                 rc = sscanf(start, "%x-%x/%u", &lo, &hi, &step);
3855                 switch (rc) {
3856                 case 0:
3857                         goto err;
3858                 case 1: {
3859                         void *tmp;
3860
3861                         array_sz++;
3862                         tmp = realloc(*array, array_sz * sizeof(int));
3863                         if (tmp == NULL)
3864                                 goto err;
3865                         *array = tmp;
3866                         (*array)[array_idx] = lo;
3867                         array_idx++;
3868                         break;
3869                 }
3870                 case 2: {
3871                         step = 1;
3872                         /* do not break to share code with case 3: */
3873                 }
3874                 case 3: {
3875                         void *tmp;
3876
3877                         if ((hi < lo) || (step == 0))
3878                                 goto err;
3879                         array_sz += (hi - lo) / step + 1;
3880                         tmp = realloc(*array, array_sz * sizeof(int));
3881                         if (tmp == NULL)
3882                                 goto err;
3883                         *array = tmp;
3884                         for (i = lo; i <= hi; i+=step, array_idx++)
3885                                 (*array)[array_idx] = i;
3886                         break;
3887                 }
3888                 }
3889                 ptr = strchr(start, ',');
3890                 if (ptr != NULL)
3891                         start = ptr + 1;
3892
3893         } while (ptr != NULL);
3894         return array_sz;
3895 err:
3896         if (*array != NULL) {
3897                 free(*array);
3898                 *array = NULL;
3899         }
3900         return 0;
3901 }
3902
3903 static int extract_fsname_poolname(const char *arg, char *fsname,
3904                                    char *poolname)
3905 {
3906         char *ptr;
3907         int rc;
3908
3909         strlcpy(fsname, arg, PATH_MAX + 1);
3910         ptr = strchr(fsname, '.');
3911         if (ptr == NULL) {
3912                 fprintf(stderr, ". is missing in %s\n", fsname);
3913                 rc = -EINVAL;
3914                 goto err;
3915         }
3916
3917         if ((ptr - fsname) == 0) {
3918                 fprintf(stderr, "fsname is empty\n");
3919                 rc = -EINVAL;
3920                 goto err;
3921         }
3922
3923         *ptr = '\0';
3924         ++ptr;
3925
3926         if (strlen(ptr) == 0) {
3927                 fprintf(stderr, "poolname is empty\n");
3928                 rc = -EINVAL;
3929                 goto err;
3930         }
3931
3932         strncpy(poolname, ptr, LOV_MAXPOOLNAME);
3933         poolname[LOV_MAXPOOLNAME] = '\0';
3934         return 0;
3935
3936 err:
3937         fprintf(stderr, "argument %s must be <fsname>.<poolname>\n", arg);
3938         return rc;
3939 }
3940
3941 int jt_pool_cmd(int argc, char **argv)
3942 {
3943         enum lcfg_command_type cmd;
3944         char fsname[PATH_MAX + 1];
3945         char poolname[LOV_MAXPOOLNAME + 1];
3946         char *ostnames_buf = NULL;
3947         int i, rc;
3948         int *array = NULL, array_sz;
3949         struct {
3950                 int     rc;
3951                 char   *ostname;
3952         } *cmds = NULL;
3953
3954         switch (argc) {
3955         case 0:
3956         case 1: return CMD_HELP;
3957         case 2: {
3958                 if (strcmp("pool_new", argv[0]) == 0)
3959                         cmd = LCFG_POOL_NEW;
3960                 else if (strcmp("pool_destroy", argv[0]) == 0)
3961                         cmd = LCFG_POOL_DEL;
3962                 else if (strcmp("pool_list", argv[0]) == 0)
3963                          return llapi_poollist(argv[1]);
3964                 else return CMD_HELP;
3965
3966                 rc = extract_fsname_poolname(argv[1], fsname, poolname);
3967                 if (rc)
3968                         break;
3969
3970                 rc = pool_cmd(cmd, argv[0], argv[1], fsname, poolname, NULL);
3971                 if (rc)
3972                         break;
3973
3974                 check_pool_cmd_result(cmd, fsname, poolname, NULL);
3975                 break;
3976         }
3977         default: {
3978                 char format[2*MAX_OBD_NAME];
3979
3980                 if (strcmp("pool_remove", argv[0]) == 0) {
3981                         cmd = LCFG_POOL_REM;
3982                 } else if (strcmp("pool_add", argv[0]) == 0) {
3983                         cmd = LCFG_POOL_ADD;
3984                 } else {
3985                         return CMD_HELP;
3986                 }
3987
3988                 rc = extract_fsname_poolname(argv[1], fsname, poolname);
3989                 if (rc)
3990                         break;
3991
3992                 for (i = 2; i < argc; i++) {
3993                         int j;
3994
3995                         array_sz = get_array_idx(argv[i], format, &array);
3996                         if (array_sz == 0)
3997                                 return CMD_HELP;
3998
3999                         cmds = malloc(array_sz * sizeof(cmds[0]));
4000                         if (cmds != NULL) {
4001                                 ostnames_buf = malloc(array_sz *
4002                                                       (MAX_OBD_NAME + 1));
4003                         } else {
4004                                 free(array);
4005                                 rc = -ENOMEM;
4006                                 goto out;
4007                         }
4008
4009                         for (j = 0; j < array_sz; j++) {
4010                                 char ostname[MAX_OBD_NAME + 1];
4011
4012                                 snprintf(ostname, MAX_OBD_NAME, format,
4013                                          array[j]);
4014                                 ostname[MAX_OBD_NAME] = '\0';
4015
4016                                 rc = check_and_complete_ostname(fsname,ostname);
4017                                 if (rc) {
4018                                         free(array);
4019                                         free(cmds);
4020                                         if (ostnames_buf)
4021                                                 free(ostnames_buf);
4022                                         goto out;
4023                                 }
4024                                 if (ostnames_buf != NULL) {
4025                                         cmds[j].ostname =
4026                                           &ostnames_buf[(MAX_OBD_NAME + 1) * j];
4027                                         strcpy(cmds[j].ostname, ostname);
4028                                 } else {
4029                                         cmds[j].ostname = NULL;
4030                                 }
4031                                 cmds[j].rc = pool_cmd(cmd, argv[0], argv[1],
4032                                                       fsname, poolname,
4033                                                       ostname);
4034                                 /* Return an err if any of the add/dels fail */
4035                                 if (!rc)
4036                                         rc = cmds[j].rc;
4037                         }
4038                         for (j = 0; j < array_sz; j++) {
4039                                 if (!cmds[j].rc) {
4040                                         char ostname[MAX_OBD_NAME + 1];
4041
4042                                         if (!cmds[j].ostname) {
4043                                                 snprintf(ostname, MAX_OBD_NAME,
4044                                                          format, array[j]);
4045                                                 ostname[MAX_OBD_NAME] = '\0';
4046                                                 check_and_complete_ostname(
4047                                                         fsname, ostname);
4048                                         } else {
4049                                                 strcpy(ostname,
4050                                                        cmds[j].ostname);
4051                                         }
4052                                         check_pool_cmd_result(cmd, fsname,
4053                                                               poolname,ostname);
4054                                 }
4055                         }
4056                         if (array_sz > 0)
4057                                 free(array);
4058                         if (cmds)
4059                                 free(cmds);
4060                         if (ostnames_buf != NULL)
4061                                 free(ostnames_buf);
4062                 }
4063                 /* fall through */
4064         }
4065         } /* switch */
4066
4067 out:
4068         if (rc != 0) {
4069                 errno = -rc;
4070                 perror(argv[0]);
4071         }
4072
4073         return rc;
4074 }
4075
4076 #ifdef HAVE_SERVER_SUPPORT
4077 static const char *barrier_status2name(enum barrier_status status)
4078 {
4079         switch (status) {
4080         case BS_INIT:
4081                 return "init";
4082         case BS_FREEZING_P1:
4083                 return "freezing_p1";
4084         case BS_FREEZING_P2:
4085                 return "freezing_p2";
4086         case BS_FROZEN:
4087                 return "frozen";
4088         case BS_THAWING:
4089                 return "thawing";
4090         case BS_THAWED:
4091                 return "thawed";
4092         case BS_FAILED:
4093                 return "failed";
4094         case BS_EXPIRED:
4095                 return "expired";
4096         case BS_RESCAN:
4097                 return "rescan";
4098         default:
4099                 return "unknown";
4100         }
4101 }
4102
4103 int jt_barrier_freeze(int argc, char **argv)
4104 {
4105         struct obd_ioctl_data data;
4106         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4107         struct barrier_ctl bc;
4108         int rc;
4109
4110         if (argc < 2 || argc > 3)
4111                 return CMD_HELP;
4112
4113         memset(&data, 0, sizeof(data));
4114         rc = data.ioc_dev = get_mgs_device();
4115         if (rc < 0)
4116                 return rc;
4117
4118         memset(&bc, 0, sizeof(bc));
4119         bc.bc_version = BARRIER_VERSION_V1;
4120         bc.bc_cmd = BC_FREEZE;
4121         if (argc == 3)
4122                 bc.bc_timeout = atoi(argv[2]);
4123         if (bc.bc_timeout == 0)
4124                 bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
4125
4126         if (strlen(argv[1]) > 8) {
4127                 fprintf(stderr, "%s: fsname name %s is too long. "
4128                         "It should not exceed 8.\n", argv[0], argv[1]);
4129                 return -EINVAL;
4130         }
4131
4132         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4133         data.ioc_inlbuf1 = (char *)&bc;
4134         data.ioc_inllen1 = sizeof(bc);
4135         memset(buf, 0, sizeof(rawbuf));
4136         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4137         if (rc) {
4138                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4139                 return rc;
4140         }
4141
4142         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4143         if (rc < 0)
4144                 fprintf(stderr, "Fail to freeze barrier for %s: %s\n",
4145                         argv[1], strerror(errno));
4146
4147         return rc;
4148 }
4149
4150 int jt_barrier_thaw(int argc, char **argv)
4151 {
4152         struct obd_ioctl_data data;
4153         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4154         struct barrier_ctl bc;
4155         int rc;
4156
4157         if (argc != 2)
4158                 return CMD_HELP;
4159
4160         memset(&data, 0, sizeof(data));
4161         rc = data.ioc_dev = get_mgs_device();
4162         if (rc < 0)
4163                 return rc;
4164
4165         memset(&bc, 0, sizeof(bc));
4166         bc.bc_version = BARRIER_VERSION_V1;
4167         bc.bc_cmd = BC_THAW;
4168
4169         if (strlen(argv[1]) > 8) {
4170                 fprintf(stderr, "fsname name %s is too long. "
4171                         "It should not exceed 8.\n", argv[1]);
4172                 return -EINVAL;
4173         }
4174
4175         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4176         data.ioc_inlbuf1 = (char *)&bc;
4177         data.ioc_inllen1 = sizeof(bc);
4178         memset(buf, 0, sizeof(rawbuf));
4179         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4180         if (rc) {
4181                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4182                 return rc;
4183         }
4184
4185         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4186         if (rc < 0)
4187                 fprintf(stderr, "Fail to thaw barrier for %s: %s\n",
4188                         argv[1], strerror(errno));
4189
4190         return rc;
4191 }
4192
4193 int __jt_barrier_stat(const char *fsname, struct barrier_ctl *bc)
4194 {
4195         struct obd_ioctl_data data;
4196         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4197         int rc;
4198
4199         memset(&data, 0, sizeof(data));
4200         rc = data.ioc_dev = get_mgs_device();
4201         if (rc < 0)
4202                 return rc;
4203
4204         memset(bc, 0, sizeof(*bc));
4205         bc->bc_version = BARRIER_VERSION_V1;
4206         bc->bc_cmd = BC_STAT;
4207         strncpy(bc->bc_name, fsname, sizeof(bc->bc_name));
4208         data.ioc_inlbuf1 = (char *)bc;
4209         data.ioc_inllen1 = sizeof(*bc);
4210         memset(buf, 0, sizeof(rawbuf));
4211         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4212         if (rc) {
4213                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4214                 return rc;
4215         }
4216
4217         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4218         if (rc < 0)
4219                 fprintf(stderr, "Fail to query barrier for %s: %s\n",
4220                         fsname, strerror(errno));
4221         else
4222                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4223
4224         return rc;
4225 }
4226
4227 int jt_barrier_stat(int argc, char **argv)
4228 {
4229         struct barrier_ctl bc;
4230         static struct option long_opt_barrier_stat[] = {
4231                 {
4232                         .val            = 's',
4233                         .name           = "state",
4234                         .has_arg        = no_argument,
4235                 },
4236                 {       .val            = 't',
4237                         .name           = "timeout",
4238                         .has_arg        = no_argument,
4239                 },
4240                 {
4241                         NULL
4242                 }
4243         };
4244         const char *name;
4245         int index;
4246         int opt;
4247         int rc;
4248         bool state = false;
4249         bool timeout = false;
4250
4251         while ((opt = getopt_long(argc, argv, "st", long_opt_barrier_stat,
4252                                   &index)) != EOF) {
4253                 switch (opt) {
4254                 case 's':
4255                         state = true;
4256                         break;
4257                 case 't':
4258                         timeout = true;
4259                         break;
4260                 default:
4261                         return CMD_HELP;
4262                 }
4263         }
4264
4265         if (optind >= argc)
4266                 return CMD_HELP;
4267
4268         name = argv[optind];
4269         if (strlen(name) > 8) {
4270                 fprintf(stderr, "fsname name %s is too long. "
4271                         "It should not exceed 8.\n", name);
4272                 return -EINVAL;
4273         }
4274
4275         rc = __jt_barrier_stat(name, &bc);
4276         if (!rc) {
4277                 if (state && !timeout)
4278                         printf("%s\n", barrier_status2name(bc.bc_status));
4279                 else if (timeout && !state)
4280                         printf("%d\n",
4281                                (bc.bc_status == BS_FREEZING_P1 ||
4282                                 bc.bc_status == BS_FREEZING_P2 ||
4283                                 bc.bc_status == BS_FROZEN) ?
4284                                bc.bc_timeout : 0);
4285                 else
4286                         printf("state: %s\ntimeout: %d seconds\n",
4287                                barrier_status2name(bc.bc_status),
4288                                (bc.bc_status == BS_FREEZING_P1 ||
4289                                 bc.bc_status == BS_FREEZING_P2 ||
4290                                 bc.bc_status == BS_FROZEN) ?
4291                                bc.bc_timeout : 0);
4292         }
4293
4294         return rc;
4295 }
4296
4297 int jt_barrier_rescan(int argc, char **argv)
4298 {
4299         struct obd_ioctl_data data;
4300         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4301         struct barrier_ctl bc;
4302         int rc;
4303
4304         if (argc < 2 || argc > 3)
4305                 return CMD_HELP;
4306
4307         memset(&data, 0, sizeof(data));
4308         rc = data.ioc_dev = get_mgs_device();
4309         if (rc < 0)
4310                 return rc;
4311
4312         memset(&bc, 0, sizeof(bc));
4313         bc.bc_version = BARRIER_VERSION_V1;
4314         bc.bc_cmd = BC_RESCAN;
4315         if (argc == 3)
4316                 bc.bc_timeout = atoi(argv[2]);
4317         if (bc.bc_timeout == 0)
4318                 bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
4319
4320         if (strlen(argv[1]) > 8) {
4321                 fprintf(stderr, "fsname name %s is too long. "
4322                         "It should not exceed 8.\n", argv[1]);
4323                 return -EINVAL;
4324         }
4325
4326         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4327         data.ioc_inlbuf1 = (char *)&bc;
4328         data.ioc_inllen1 = sizeof(bc);
4329         memset(buf, 0, sizeof(rawbuf));
4330         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4331         if (rc) {
4332                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4333                 return rc;
4334         }
4335
4336         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4337         if (rc < 0) {
4338                 fprintf(stderr, "Fail to rescan barrier bitmap for %s: %s\n",
4339                         argv[1], strerror(errno));
4340         } else {
4341                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4342                 printf("%u of %u MDT(s) in the filesystem %s are inactive\n",
4343                        bc.bc_absence, bc.bc_total, argv[1]);
4344         }
4345
4346         return rc;
4347 }
4348 #endif /* HAVE_SERVER_SUPPORT */
4349
4350 int jt_get_obj_version(int argc, char **argv)
4351 {
4352         struct lu_fid fid;
4353         struct obd_ioctl_data data;
4354         __u64 version, id = ULLONG_MAX, group = ULLONG_MAX;
4355         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf, *fidstr;
4356         int rc, c;
4357
4358         while ((c = getopt(argc, argv, "i:g:")) != -1) {
4359                 switch (c) {
4360                 case 'i':
4361                         id = strtoull(optarg, NULL, 0);
4362                         break;
4363                 case 'g':
4364                         group = strtoull(optarg, NULL, 0);
4365                         break;
4366                 default:
4367                         return CMD_HELP;
4368                 }
4369         }
4370
4371         argc -= optind;
4372         argv += optind;
4373
4374         if (!(id != ULLONG_MAX && group != ULLONG_MAX && argc == 0) &&
4375             !(id == ULLONG_MAX && group == ULLONG_MAX && argc == 1))
4376                 return CMD_HELP;
4377
4378         memset(&data, 0, sizeof data);
4379         data.ioc_dev = cur_device;
4380         if (argc == 1) {
4381                 fidstr = *argv;
4382                 while (*fidstr == '[')
4383                         fidstr++;
4384                 sscanf(fidstr, SFID, RFID(&fid));
4385
4386                 data.ioc_inlbuf1 = (char *) &fid;
4387                 data.ioc_inllen1 = sizeof fid;
4388         } else {
4389                 data.ioc_inlbuf3 = (char *) &id;
4390                 data.ioc_inllen3 = sizeof id;
4391                 data.ioc_inlbuf4 = (char *) &group;
4392                 data.ioc_inllen4 = sizeof group;
4393         }
4394         data.ioc_inlbuf2 = (char *) &version;
4395         data.ioc_inllen2 = sizeof version;
4396
4397         memset(buf, 0, sizeof *buf);
4398         rc = obd_ioctl_pack(&data, &buf, sizeof rawbuf);
4399         if (rc) {
4400                 fprintf(stderr, "error: %s: packing ioctl arguments: %s\n",
4401                         jt_cmdname(argv[0]), strerror(-rc));
4402                 return rc;
4403         }
4404
4405         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GET_OBJ_VERSION, buf);
4406         if (rc == -1) {
4407                 fprintf(stderr, "error: %s: ioctl: %s\n",
4408                         jt_cmdname(argv[0]), strerror(errno));
4409                 return -errno;
4410         }
4411
4412         obd_ioctl_unpack(&data, buf, sizeof rawbuf);
4413         printf("%#jx\n", (uintmax_t)version);
4414         return 0;
4415 }
4416
4417 int jt_changelog_register(int argc, char **argv)
4418 {
4419         struct obd_ioctl_data    data = { 0 };
4420         char                     rawbuf[MAX_IOC_BUFLEN] = "";
4421         char                    *buf = rawbuf;
4422         char                    *device = lcfg_get_devname();
4423         bool                     print_name_only = false;
4424         int                      c;
4425         int                      rc;
4426
4427         if (argc > 2)
4428                 return CMD_HELP;
4429
4430         while ((c = getopt(argc, argv, "hn")) >= 0) {
4431                 switch (c) {
4432                 case 'n':
4433                         print_name_only = true;
4434                         break;
4435                 case 'h':
4436                 default:
4437                         return CMD_HELP;
4438                 }
4439         }
4440
4441         if (cur_device < 0 || device == NULL)
4442                 return CMD_HELP;
4443
4444         data.ioc_dev = cur_device;
4445
4446         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4447         if (rc < 0) {
4448                 fprintf(stderr, "error: %s: cannot pack ioctl: %s\n",
4449                         jt_cmdname(argv[0]), strerror(-rc));
4450                return rc;
4451         }
4452
4453         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_REG, buf);
4454         if (rc < 0) {
4455                 rc = -errno;
4456                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
4457                         strerror(-rc));
4458                 return rc;
4459         }
4460
4461         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4462
4463         if (data.ioc_u32_1 == 0) {
4464                 fprintf(stderr, "received invalid userid!\n");
4465                 return -EPROTO;
4466         }
4467
4468         if (print_name_only)
4469                 printf("%s%u\n", CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4470         else
4471                 printf("%s: Registered changelog userid '%s%u'\n",
4472                        device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4473
4474         return 0;
4475 }
4476
4477 int jt_changelog_deregister(int argc, char **argv)
4478 {
4479         struct obd_ioctl_data    data = { 0 };
4480         char                     rawbuf[MAX_IOC_BUFLEN] = "";
4481         char                    *buf = rawbuf;
4482         char                    *device = lcfg_get_devname();
4483         int                      id;
4484         int                      rc;
4485
4486         if (argc != 2 || cur_device < 0 || device == NULL)
4487                 return CMD_HELP;
4488
4489         rc = sscanf(argv[1], CHANGELOG_USER_PREFIX"%d", &id);
4490         if (rc != 1 || id <= 0) {
4491                 fprintf(stderr,
4492                         "error: %s: expected id of the form %s<num> got '%s'\n",
4493                         jt_cmdname(argv[0]), CHANGELOG_USER_PREFIX, argv[1]);
4494                 return CMD_HELP;
4495         }
4496
4497         data.ioc_dev = cur_device;
4498         data.ioc_u32_1 = id;
4499
4500         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4501         if (rc < 0) {
4502                 fprintf(stderr, "error: %s: invalid ioctl\n",
4503                         jt_cmdname(argv[0]));
4504                 return rc;
4505         }
4506
4507         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_DEREG, buf);
4508         if (rc < 0) {
4509                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
4510                         strerror(rc = errno));
4511                 return rc;
4512         }
4513
4514         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4515         printf("%s: Deregistered changelog user '%s%u'\n",
4516                device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4517
4518         return 0;
4519 }