lustre/utils/lfs.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  *  Copyright (C) 2002 Cluster File Systems, Inc.
   5  *   Author: Peter J. Braam <braam@clusterfs.com>
   6  *   Author: Phil Schwan <phil@clusterfs.com>
   7  *   Author: Robert Read <rread@clusterfs.com>
   8  *
   9  *   This file is part of Lustre, http://www.lustre.org.
  10  *
  11  *   Lustre is free software; you can redistribute it and/or
  12  *   modify it under the terms of version 2 of the GNU General Public
  13  *   License as published by the Free Software Foundation.
  14  *
  15  *   Lustre is distributed in the hope that it will be useful,
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *   GNU General Public License for more details.
  19  *
  20  *   You should have received a copy of the GNU General Public License
  21  *   along with Lustre; if not, write to the Free Software
  22  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  */
  25
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <getopt.h>
  29 #include <string.h>
  30 #include <mntent.h>
  31 #include <errno.h>
  32 #include <pwd.h>
  33 #include <grp.h>
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <fcntl.h>
  37 #include <dirent.h>
  38 #include <time.h>
  39 #include <ctype.h>
  40 /* For dirname() */
  41 #include <libgen.h>
  42
  43 #include <lnet/api-support.h>
  44 #include <lnet/lnetctl.h>
  45
  46 #include <liblustre.h>
  47 #include <lustre/lustre_idl.h>
  48 #include <lustre/liblustreapi.h>
  49 #include <lustre/lustre_user.h>
  50
  51 #include "parser.h"
  52 #include "obdctl.h"
  53
  54 unsigned int libcfs_subsystem_debug = 0;
  55
  56 /* all functions */
  57 static int lfs_setstripe(int argc, char **argv);
  58 static int lfs_find(int argc, char **argv);
  59 static int lfs_getstripe(int argc, char **argv);
  60 static int lfs_osts(int argc, char **argv);
  61 static int lfs_df(int argc, char **argv);
  62 static int lfs_check(int argc, char **argv);
  63 static int lfs_catinfo(int argc, char **argv);
  64 #ifdef HAVE_QUOTA_SUPPORT
  65 static int lfs_quotachown(int argc, char **argv);
  66 static int lfs_quotacheck(int argc, char **argv);
  67 static int lfs_quotaon(int argc, char **argv);
  68 static int lfs_quotaoff(int argc, char **argv);
  69 static int lfs_setquota(int argc, char **argv);
  70 static int lfs_quota(int argc, char **argv);
  71 #endif
  72 static int lfs_flushctx(int argc, char **argv);
  73 static int lfs_join(int argc, char **argv);
  74 static int lfs_lsetfacl(int argc, char **argv);
  75 static int lfs_lgetfacl(int argc, char **argv);
  76 static int lfs_rsetfacl(int argc, char **argv);
  77 static int lfs_rgetfacl(int argc, char **argv);
  78 static int lfs_cp(int argc, char **argv);
  79 static int lfs_ls(int argc, char **argv);
  80
  81 /* all avaialable commands */
  82 command_t cmdlist[] = {
  83         {"setstripe", lfs_setstripe, 0,
  84          "Create a new file with a specific striping pattern or\n"
  85          "set the default striping pattern on an existing directory or\n"
  86          "delete the default striping pattern from an existing directory\n"
  87          "usage: setstripe <filename|dirname> <stripe_size> <stripe_index> <stripe_count>\n"
  88          "       or \n"
  89          "       setstripe <filename|dirname> [--size|-s stripe_size]\n"
  90          "                                    [--index|-i stripe_index]\n"
  91          "                                    [--count|-c stripe_count]\n"
  92          "       or \n"
  93          "       setstripe -d <dirname>   (to delete default striping)\n"
  94          "\tstripe_size:  Number of bytes on each OST (0 filesystem default)\n"
  95          "\t              Can be specified with k, m or g (in KB, MB and GB respectively)\n"
  96          "\tstripe_index: OST index of first stripe (-1 filesystem default)\n"
  97          "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)"},
  98         {"getstripe", lfs_getstripe, 0,
  99          "To list the striping info for a given filename or files in a\n"
 100          "directory or recursively for all files in a directory tree.\n"
 101          "usage: getstripe [--obd|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
 102          "                 [--recursive | -r] <dir|file> ..."},
 103         {"find", lfs_find, 0,
 104          "To find files that match given parameters recursively in a directory tree.\n"
 105          "usage: find <dir/file> ... \n"
 106          "     [[!] --atime|-A [+-]N] [[!] --mtime|-M [+-]N] [[!] --ctime|-C [+-]N]\n"
 107          "     [--maxdepth|-D N] [[!] --name|-n <pattern>] [--print0|-P]\n"
 108          "     [--print|-p] [--obd|-O <uuid>] [[!] --type|-t <filetype>]\n"
 109          "\t !: used before an option indicates 'NOT' the requested attribute\n"
 110          "\t -: used before an value indicates 'AT MOST' the requested value\n"
 111          "\t +: used before an option indicates 'AT LEAST' the requested value\n"},
 112         {"check", lfs_check, 0,
 113          "Display the status of MDS or OSTs (as specified in the command)\n"
 114          "or all the servers (MDS and OSTs).\n"
 115          "usage: check <osts|mds|servers>"},
 116         {"catinfo", lfs_catinfo, 0,
 117          "Show information of specified type logs.\n"
 118          "usage: catinfo {keyword} [node name]\n"
 119          "\tkeywords are one of followings: config, deletions.\n"
 120          "\tnode name must be provided when use keyword config."},
 121         {"join", lfs_join, 0,
 122          "join two lustre files into one - join A, B, will be like cat B >> A & del B\n"
 123          "usage: join <filename_A> <filename_B>\n"},
 124         {"osts", lfs_osts, 0, "osts"},
 125         {"df", lfs_df, 0,
 126          "report filesystem disk space usage or inodes usage"
 127          "of each MDS/OSD.\n"
 128          "Usage: df [-i] [-h] [path]"},
 129 #ifdef HAVE_QUOTA_SUPPORT
 130         {"quotachown",lfs_quotachown, 0,
 131          "Change files' owner or group on the specified filesystem.\n"
 132          "usage: quotachown [-i] <filesystem>\n"
 133          "\t-i: ignore error if file is not exist\n"},
 134         {"quotacheck", lfs_quotacheck, 0,
 135          "Scan the specified filesystem for disk usage, and create,\n"
 136          "or update quota files.\n"
 137          "usage: quotacheck [ -ug ] <filesystem>"},
 138         {"quotaon", lfs_quotaon, 0, "Turn filesystem quotas on.\n"
 139          "usage: quotaon [ -ugf ] <filesystem>"},
 140         {"quotaoff", lfs_quotaoff, 0, "Turn filesystem quotas off.\n"
 141          "usage: quotaoff [ -ug ] <filesystem>"},
 142         {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
 143          "usage: setquota [ -u | -g ] <name> <block-softlimit> <block-hardlimit> <inode-softlimit> <inode-hardlimit> <filesystem>\n"
 144          "       setquota -t [ -u | -g ] <block-grace> <inode-grace> <filesystem>"},
 145         {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
 146          "usage: quota [ -o obd_uuid ] [{-u|-g  <name>}|-t] <filesystem>"},
 147 #endif
 148         {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
 149          "usage: flushctx [-k] [mountpoint...]"},
 150         {"lsetfacl", lfs_lsetfacl, 0,
 151          "Remote user setfacl for user/group on the same remote client.\n"
 152          "usage: lsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 153         {"lgetfacl", lfs_lgetfacl, 0,
 154          "Remote user getfacl for user/group on the same remote client.\n"
 155          "usage: lgetfacl [-dRLPvh] file ..."},
 156         {"rsetfacl", lfs_rsetfacl, 0,
 157          "Remote user setfacl for user/group on other clients.\n"
 158          "usage: rsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 159         {"rgetfacl", lfs_rgetfacl, 0,
 160          "Remote user getfacl for user/group on other clients.\n"
 161          "usage: rgetfacl [-dRLPvh] file ..."},
 162         {"cp", lfs_cp, 0,
 163          "Remote user copy files and directories.\n"
 164          "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
 165         {"ls", lfs_ls, 0,
 166          "Remote user list directory contents.\n"
 167          "usage: ls [OPTION]... [FILE]..."},
 168         {"help", Parser_help, 0, "help"},
 169         {"exit", Parser_quit, 0, "quit"},
 170         {"quit", Parser_quit, 0, "quit"},
 171         { 0, 0, 0, NULL }
 172 };
 173
 174 /* functions */
 175 static int lfs_setstripe(int argc, char **argv)
 176 {
 177         char *fname;
 178         int result;
 179         unsigned long long st_size;
 180         int  st_offset, st_count;
 181         char *end;
 182         int c;
 183         int delete = 0;
 184         char *stripe_size_arg = NULL;
 185         char *stripe_off_arg = NULL;
 186         char *stripe_count_arg = NULL;
 187         unsigned long long size_units;
 188
 189         struct option long_opts[] = {
 190                 {"size",        required_argument, 0, 's'},
 191                 {"count",       required_argument, 0, 'c'},
 192                 {"index",       required_argument, 0, 'i'},
 193                 {"delete",      no_argument,       0, 'd'},
 194                 {0, 0, 0, 0}
 195         };
 196
 197         st_size = 0;
 198         st_offset = -1;
 199         st_count = 0;
 200         if (argc == 3 && strcmp(argv[1], "-d") == 0) {
 201                 /* for compatibility with the existing positional parameter
 202                  * usage */
 203                 fname = argv[2];
 204                 optind = 2;
 205         } else if (argc == 5  &&
 206                    (argv[2][0] != '-' || isdigit(argv[2][1])) &&
 207                    (argv[3][0] != '-' || isdigit(argv[3][1])) &&
 208                    (argv[4][0] != '-' || isdigit(argv[4][1])) ) {
 209                 /* for compatibility with the existing positional parameter
 210                  * usage */
 211                 fname = argv[1];
 212                 stripe_size_arg = argv[2];
 213                 stripe_off_arg = argv[3];
 214                 stripe_count_arg = argv[4];
 215                 optind = 4;
 216         } else {
 217                 while ((c = getopt_long(argc, argv, "c:di:s:",
 218                                                 long_opts, NULL)) >= 0)
 219                 {
 220                         switch (c) {
 221                         case 0:
 222                                 /* Long options. */
 223                                 break;
 224                         case 'c':
 225                                 stripe_count_arg = optarg;
 226                                 break;
 227                         case 'd':
 228                                 /* delete the default striping pattern */
 229                                 delete = 1;
 230                                 break;
 231                         case 'i':
 232                                 stripe_off_arg = optarg;
 233                                 break;
 234                         case 's':
 235                                 stripe_size_arg = optarg;
 236                                 break;
 237                         case '?':
 238                                 return CMD_HELP;
 239                         default:
 240                                 fprintf(stderr, "error: %s: option '%s' "
 241                                                 "unrecognized\n",
 242                                                 argv[0], argv[optind - 1]);
 243                                 return CMD_HELP;
 244                         }
 245                 }
 246                 if (optind < argc)
 247                         fname = argv[optind];
 248                 else
 249                         return CMD_HELP;
 250
 251
 252                 if (delete &&
 253                     (stripe_size_arg != NULL || stripe_off_arg != NULL ||
 254                      stripe_count_arg != NULL)) {
 255                         fprintf(stderr, "error: %s: cannot specify -d with "
 256                                         "-s, -c or -i options\n",
 257                                         argv[0]);
 258                         return CMD_HELP;
 259                 }
 260         }
 261         if (optind != argc - 1) {
 262                 fprintf(stderr, "error: %s: only 1 filename|dirname can be "
 263                                 "specified: '%s'\n",
 264                                 argv[0], argv[argc - 1]);
 265                 return CMD_HELP;
 266         }
 267
 268         /* get the stripe size */
 269         if (stripe_size_arg != NULL) {
 270                 result = parse_size(stripe_size_arg, &st_size, &size_units);
 271                 if (result) {
 272                         fprintf(stderr,"error: bad size '%s'\n",
 273                                 stripe_size_arg);
 274                         return result;
 275                 }
 276         }
 277         /* get the stripe offset */
 278         if (stripe_off_arg != NULL) {
 279                 st_offset = strtoul(stripe_off_arg, &end, 0);
 280                 if (*end != '\0') {
 281                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
 282                                 argv[0], stripe_off_arg);
 283                         return CMD_HELP;
 284                 }
 285         }
 286         /* get the stripe count */
 287         if (stripe_count_arg != NULL) {
 288                 st_count = strtoul(stripe_count_arg, &end, 0);
 289                 if (*end != '\0') {
 290                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
 291                                 argv[0], stripe_count_arg);
 292                         return CMD_HELP;
 293                 }
 294         }
 295
 296         result = llapi_file_create(fname, st_size, st_offset, st_count, 0);
 297         if (result)
 298                 fprintf(stderr, "error: %s: create stripe file failed\n",
 299                                 argv[0]);
 300
 301         return result;
 302 }
 303
 304 static int set_time(time_t *time, time_t *set, char *str)
 305 {
 306         time_t t;
 307         int res = 0;
 308
 309         if (str[0] == '+')
 310                 res = 1;
 311         else if (str[0] == '-')
 312                 res = -1;
 313
 314         if (res)
 315                 str++;
 316
 317         t = strtol(str, NULL, 0);
 318         if (*time < t * 24 * 60 * 60) {
 319                 if (res)
 320                         str--;
 321                 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
 322                 return INT_MAX;
 323         }
 324
 325         *set = *time - t * 24 * 60 * 60;
 326         return res;
 327 }
 328
 329 static int lfs_find(int argc, char **argv)
 330 {
 331         int new_fashion = 1;
 332         int c, ret;
 333         time_t t;
 334         struct find_param param = { .maxdepth = -1 };
 335         char str[1024];
 336         struct option long_opts[] = {
 337                 /* New find options. */
 338                 {"atime",     required_argument, 0, 'A'},
 339                 {"ctime",     required_argument, 0, 'C'},
 340                 {"mtime",     required_argument, 0, 'M'},
 341                 {"maxdepth",  required_argument, 0, 'D'},
 342                 {"name",      required_argument, 0, 'n'},
 343                 /* --obd is considered as a new option. */
 344                 {"obd",       required_argument, 0, 'O'},
 345                 {"ost",       required_argument, 0, 'O'},
 346                 {"print",     no_argument,       0, 'P'},
 347                 {"print0",    no_argument,       0, 'p'},
 348                 /* Old find options. */
 349                 {"quiet",     no_argument,       0, 'q'},
 350                 {"recursive", no_argument,       0, 'r'},
 351                 {"size",      required_argument, 0, 's'},
 352                 {"type",      required_argument, 0, 't'},
 353                 {"verbose",   no_argument,       0, 'v'},
 354                 {0, 0, 0, 0}
 355         };
 356         int pathstart = -1;
 357         int pathend = -1;
 358         int neg_opt = 0;
 359         time_t *xtime;
 360         int *xsign;
 361         int isoption;
 362
 363         time(&t);
 364
 365         while ((c = getopt_long_only(argc, argv, "-A:C:D:M:n:PpO:qrs:t:v",
 366                                      long_opts, NULL)) >= 0) {
 367                 xtime = NULL;
 368                 xsign = NULL;
 369                 if (neg_opt)
 370                         --neg_opt;
 371                 /* '!' is part of option */
 372                 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
 373                 if (!isoption && pathend != -1) {
 374                         fprintf(stderr, "err: %s: filename|dirname must either "
 375                                         "precede options or follow options\n",
 376                                         argv[0]);
 377                         return CMD_HELP;
 378                 }
 379                 if (!isoption && pathstart == -1)
 380                         pathstart = optind - 1;
 381                 if (isoption && pathstart != -1 && pathend == -1) {
 382                         pathend = optind - 2;
 383                         if ((c == 1 && strcmp(optarg, "!") == 0) ||
 384                             c == 'P' || c == 'p' || c == 'O' ||
 385                             c == 'q' || c == 'r' || c == 'v')
 386                                 pathend = optind - 1;
 387                 }
 388                 switch (c) {
 389                 case 0:
 390                         /* Long options. */
 391                         break;
 392                 case 1:
 393                         if (strcmp(optarg, "!") == 0)
 394                                 neg_opt = 2;
 395                         break;
 396                 case 'A':
 397                         xtime = &param.atime;
 398                         xsign = &param.asign;
 399                 case 'C':
 400                         if (c == 'C') {
 401                                 xtime = &param.ctime;
 402                                 xsign = &param.csign;
 403                         }
 404                 case 'M':
 405                         if (c == 'M') {
 406                                 xtime = &param.mtime;
 407                                 xsign = &param.msign;
 408                         }
 409                         new_fashion = 1;
 410                         if (neg_opt) {
 411                                 if (optarg[0] == '-')
 412                                         optarg[0] = '+';
 413                                 else if (optarg[0] == '+')
 414                                         optarg[0] = '-';
 415                                 else {
 416                                         str[0] = '-';
 417                                         str[1] = '\0';
 418                                         strcat(str, optarg);
 419                                         optarg = str;
 420                                 }
 421                         }
 422                         ret = set_time(&t, xtime, optarg);
 423                         if (ret == INT_MAX)
 424                                 return -1;
 425                         if (ret)
 426                                 *xsign = ret;
 427                         break;
 428                 case 'D':
 429                         new_fashion = 1;
 430                         param.maxdepth = strtol(optarg, 0, 0);
 431                         break;
 432                 case 'n':
 433                         new_fashion = 1;
 434                         param.pattern = (char *)optarg;
 435                         param.exclude_pattern = !!neg_opt;
 436                         break;
 437                 case 'O': {
 438                         char *buf, *token, *next, *p;
 439                         int len;
 440
 441                         len = strlen((char *)optarg);
 442                         buf = malloc(len+1);
 443                         if (buf == NULL)
 444                                 return -ENOMEM;
 445                         strcpy(buf, (char *)optarg);
 446
 447                         if (param.num_alloc_obds == 0) {
 448                                 param.obduuid = (struct obd_uuid *)malloc(FIND_MAX_OSTS *
 449                                                        sizeof(struct obd_uuid));
 450                                 if (param.obduuid == NULL)
 451                                         return -ENOMEM;
 452                                 param.num_alloc_obds = INIT_ALLOC_NUM_OSTS;
 453                         }
 454
 455                         for (token = buf; token && *token; token = next) {
 456                                 p = strchr(token, ',');
 457                                 next = 0;
 458                                 if (p) {
 459                                         *p = 0;
 460                                         next = p+1;
 461                                 }
 462                                 strcpy((char *)&param.obduuid[param.num_obds++].uuid,
 463                                        token);
 464                         }
 465
 466                         if (buf)
 467                                 free(buf);
 468                         break;
 469                 }
 470                 case 'p':
 471                         new_fashion = 1;
 472                         param.zeroend = 1;
 473                         break;
 474                 case 'P':
 475                         break;
 476                 case 'q':
 477                         new_fashion = 0;
 478                         param.quiet++;
 479                         param.verbose = 0;
 480                         break;
 481                 case 'r':
 482                         new_fashion = 0;
 483                         param.recursive = 1;
 484                         break;
 485                 case 't':
 486                         param.exclude_type = !!neg_opt;
 487                         switch(optarg[0]) {
 488                         case 'b': param.type = S_IFBLK; break;
 489                         case 'c': param.type = S_IFCHR; break;
 490                         case 'd': param.type = S_IFDIR; break;
 491                         case 'f': param.type = S_IFREG; break;
 492                         case 'l': param.type = S_IFLNK; break;
 493                         case 'p': param.type = S_IFIFO; break;
 494                         case 's': param.type = S_IFSOCK; break;
 495 #ifdef S_IFDOOR /* Solaris only */
 496                         case 'D': param.type = S_IFDOOR; break;
 497 #endif
 498                         default: fprintf(stderr, "error: %s: bad type '%s'\n",
 499                                          argv[0], optarg);
 500                                  return CMD_HELP;
 501                         };
 502                         break;
 503                 case 's':
 504                         if (neg_opt) {
 505                                 if (optarg[0] == '-')
 506                                         optarg[0] = '+';
 507                                 else if (optarg[0] == '+')
 508                                         optarg[0] = '-';
 509                                 else {
 510                                         str[0] = '-';
 511                                         str[1] = '\0';
 512                                         strcat(str, optarg);
 513                                         optarg = str;
 514                                 }
 515                         }
 516                         if (optarg[0] == '+')
 517                                 param.size_sign = -1;
 518                         else if (optarg[0] == '-')
 519                                 param.size_sign = +1;
 520
 521                         if (param.size_sign)
 522                                 optarg++;
 523                         ret = parse_size(optarg, &param.size,&param.size_units);
 524                         if (ret) {
 525                                 fprintf(stderr,"error: bad size '%s'\n",
 526                                         optarg);
 527                                 return ret;
 528                         }
 529                         break;
 530                 case 'v':
 531                         new_fashion = 0;
 532                         param.verbose++;
 533                         param.quiet = 0;
 534                         break;
 535                 case '?':
 536                         return CMD_HELP;
 537                 default:
 538                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
 539                                 argv[0], argv[optind - 1]);
 540                         return CMD_HELP;
 541                 };
 542         }
 543
 544         if (pathstart == -1) {
 545                 fprintf(stderr, "error: %s: no filename|pathname\n",
 546                         argv[0]);
 547                 return CMD_HELP;
 548         } else if (pathend == -1) {
 549                 /* no options */
 550                 pathend = argc;
 551         }
 552
 553         if (new_fashion) {
 554                 param.quiet = 1;
 555         } else {
 556                 static int deprecated_warning;
 557                 if (!deprecated_warning) {
 558                         fprintf(stderr, "lfs find: -q, -r, -v options "
 559                                 "deprecated.  Use 'lfs getstripe' instead.\n");
 560                         deprecated_warning = 1;
 561                 }
 562                 if (!param.recursive && param.maxdepth == -1)
 563                         param.maxdepth = 1;
 564         }
 565
 566         do {
 567                 if (new_fashion)
 568                         ret = llapi_find(argv[pathstart], &param);
 569                 else
 570                         ret = llapi_getstripe(argv[pathstart], &param);
 571         } while (++pathstart < pathend && !ret);
 572
 573         if (ret)
 574                 fprintf(stderr, "error: %s failed for %s.\n",
 575                         argv[0], argv[optind - 1]);
 576
 577         if (param.obduuid && param.num_alloc_obds)
 578                 free(param.obduuid);
 579
 580         return ret;
 581 }
 582
 583 static int lfs_getstripe(int argc, char **argv)
 584 {
 585         struct option long_opts[] = {
 586                 {"obd", 1, 0, 'O'},
 587                 {"quiet", 0, 0, 'q'},
 588                 {"recursive", 0, 0, 'r'},
 589                 {"verbose", 0, 0, 'v'},
 590                 {0, 0, 0, 0}
 591         };
 592         char short_opts[] = "hO:qrv";
 593         int c, rc;
 594         struct find_param param = { 0 };
 595
 596         optind = 0;
 597         while ((c = getopt_long(argc, argv, short_opts,
 598                                 long_opts, NULL)) != -1) {
 599                 switch (c) {
 600                 case 'O':
 601                         if (param.obduuid) {
 602                                 fprintf(stderr,
 603                                         "error: %s: only one obduuid allowed",
 604                                         argv[0]);
 605                                 return CMD_HELP;
 606                         }
 607                         param.obduuid = (struct obd_uuid *)optarg;
 608                         break;
 609                 case 'q':
 610                         param.quiet++;
 611                         param.verbose = 0;
 612                         break;
 613                 case 'r':
 614                         param.recursive = 1;
 615                         break;
 616                 case 'v':
 617                         param.verbose++;
 618                         param.quiet = 0;
 619                         break;
 620                 case '?':
 621                         return CMD_HELP;
 622                 default:
 623                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
 624                                 argv[0], argv[optind - 1]);
 625                         return CMD_HELP;
 626                 }
 627         }
 628
 629         if (optind >= argc)
 630                 return CMD_HELP;
 631
 632         param.maxdepth = param.recursive ? -1 : 1;
 633
 634         do {
 635                 rc = llapi_getstripe(argv[optind], &param);
 636         } while (++optind < argc && !rc);
 637
 638         if (rc)
 639                 fprintf(stderr, "error: %s failed for %s.\n",
 640                         argv[0], argv[optind - 1]);
 641         return rc;
 642 }
 643
 644 static int lfs_osts(int argc, char **argv)
 645 {
 646         FILE *fp;
 647         struct mntent *mnt = NULL;
 648         struct obd_uuid *obduuid = NULL;
 649         struct find_param param;
 650         int rc=0;
 651
 652         if (argc != 1)
 653                 return CMD_HELP;
 654
 655         fp = setmntent(MOUNTED, "r");
 656
 657         if (fp == NULL) {
 658                  fprintf(stderr, "%s: setmntent(%s): %s:", argv[0], MOUNTED,
 659                         strerror (errno));
 660         } else {
 661                 mnt = getmntent(fp);
 662                 memset(&param, 0, sizeof(param));
 663                 param.obduuid = obduuid;
 664                 while (feof(fp) == 0 && ferror(fp) ==0) {
 665                         if (llapi_is_lustre_mnt(mnt)) {
 666                                 rc = llapi_getstripe(mnt->mnt_dir, &param);
 667                                 if (rc)
 668                                         fprintf(stderr,
 669                                                "error: %s: failed on %s\n",
 670                                                argv[0], mnt->mnt_dir);
 671                         }
 672                         mnt = getmntent(fp);
 673                 }
 674                 endmntent(fp);
 675         }
 676
 677         return rc;
 678 }
 679
 680 #define COOK(value)                                                     \
 681 ({                                                                      \
 682         int radix = 0;                                                  \
 683         while (value > 1024) {                                          \
 684                 value /= 1024;                                          \
 685                 radix++;                                                \
 686         }                                                               \
 687         radix;                                                          \
 688 })
 689 #define UUF     "%-20s"
 690 #define CSF     "%9s"
 691 #define CDF     "%9llu"
 692 #define HSF     "%8s"
 693 #define HDF     "%6.1f"
 694 #define RSF     "%5s"
 695 #define RDF     "%4d%%"
 696
 697 static int path2mnt(char *path, FILE *fp, char *mntdir, int dir_len)
 698 {
 699         char rpath[PATH_MAX] = {'\0'};
 700         struct mntent *mnt;
 701         int rc, len, out_len = 0;
 702
 703         if (!realpath(path, rpath)) {
 704                 rc = -errno;
 705                 fprintf(stderr, "error: lfs df: invalid path '%s': %s\n",
 706                         path, strerror(-rc));
 707                 return rc;
 708         }
 709
 710         len = 0;
 711         mnt = getmntent(fp);
 712         while (feof(fp) == 0 && ferror(fp) == 0) {
 713                 if (llapi_is_lustre_mnt(mnt)) {
 714                         len = strlen(mnt->mnt_dir);
 715                         if (len > out_len &&
 716                             !strncmp(rpath, mnt->mnt_dir, len)) {
 717                                 out_len = len;
 718                                 memset(mntdir, 0, dir_len);
 719                                 strncpy(mntdir, mnt->mnt_dir, dir_len);
 720                         }
 721                 }
 722                 mnt = getmntent(fp);
 723         }
 724
 725         if (out_len > 0)
 726                 return 0;
 727
 728         fprintf(stderr, "error: lfs df: %s isn't mounted on lustre\n", path);
 729         return -EINVAL;
 730 }
 731
 732 static int showdf(char *mntdir, struct obd_statfs *stat,
 733                   char *uuid, int ishow, int cooked,
 734                   char *type, int index, int rc)
 735 {
 736         long long avail, used, total;
 737         double ratio = 0;
 738         char *suffix = "KMGTPEZY";
 739         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
 740         char tbuf[20], ubuf[20], abuf[20], rbuf[20];
 741
 742         if (!uuid || !stat)
 743                 return -EINVAL;
 744
 745         switch (rc) {
 746         case 0:
 747                 if (ishow) {
 748                         avail = stat->os_ffree;
 749                         used = stat->os_files - stat->os_ffree;
 750                         total = stat->os_files;
 751                 } else {
 752                         int shift = cooked ? 0 : 10;
 753
 754                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
 755                         used  = ((stat->os_blocks - stat->os_bfree) *
 756                                  stat->os_bsize) >> shift;
 757                         total = (stat->os_blocks * stat->os_bsize) >> shift;
 758                 }
 759
 760                 if (total > 0)
 761                         ratio = (double)used / (double)total;
 762
 763                 if (cooked) {
 764                         int i;
 765                         double cook_val;
 766
 767                         cook_val = (double)total;
 768                         i = COOK(cook_val);
 769                         if (i > 0)
 770                                 sprintf(tbuf, HDF"%c", cook_val, suffix[i - 1]);
 771                         else
 772                                 sprintf(tbuf, CDF, total);
 773
 774                         cook_val = (double)used;
 775                         i = COOK(cook_val);
 776                         if (i > 0)
 777                                 sprintf(ubuf, HDF"%c", cook_val, suffix[i - 1]);
 778                         else
 779                                 sprintf(ubuf, CDF, used);
 780
 781                         cook_val = (double)avail;
 782                         i = COOK(cook_val);
 783                         if (i > 0)
 784                                 sprintf(abuf, HDF"%c", cook_val, suffix[i - 1]);
 785                         else
 786                                 sprintf(abuf, CDF, avail);
 787                 } else {
 788                         sprintf(tbuf, CDF, total);
 789                         sprintf(ubuf, CDF, used);
 790                         sprintf(abuf, CDF, avail);
 791                 }
 792
 793                 sprintf(rbuf, RDF, (int)(ratio * 100));
 794                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
 795                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
 796                 if (type)
 797                         printf("[%s:%d]\n", type, index);
 798                 else
 799                         printf("\n");
 800
 801                 break;
 802         case -ENODATA:
 803                 printf(UUF": inactive device\n", uuid);
 804                 break;
 805         default:
 806                 printf(UUF": %s\n", uuid, strerror(-rc));
 807                 break;
 808         }
 809
 810         return 0;
 811 }
 812
 813 static int mntdf(char *mntdir, int ishow, int cooked)
 814 {
 815         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
 816         struct obd_uuid uuid_buf;
 817         __u32 index;
 818         int rc;
 819
 820         if (ishow)
 821                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
 822                        "UUID", "Inodes", "IUsed", "IFree",
 823                        "IUse%", "Mounted on");
 824         else
 825                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
 826                        "UUID", cooked ? "bytes" : "1K-blocks",
 827                        "Used", "Available", "Use%", "Mounted on");
 828
 829         for (index = 0; ; index++) {
 830                 memset(&stat_buf, 0, sizeof(struct obd_statfs));
 831                 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
 832                 rc = llapi_obd_statfs(mntdir, LL_STATFS_MDC, index,
 833                                       &stat_buf, &uuid_buf);
 834                 if (rc == -ENODEV)
 835                         break;
 836
 837                 if (rc == -EAGAIN)
 838                         continue;
 839
 840                 if (rc == -ENOTCONN || rc == -ETIMEDOUT || rc == -EIO ||
 841                     rc == -ENODATA || rc == 0) {
 842                         showdf(mntdir, &stat_buf, uuid_buf.uuid, ishow, cooked,
 843                                "MDT", index, rc);
 844                 } else {
 845                         fprintf(stderr,
 846                                 "error: llapi_obd_statfs(%s): %s (%d)\n",
 847                                 uuid_buf.uuid, strerror(-rc), rc);
 848                         return rc;
 849                 }
 850                 if (rc == 0) {
 851                         sum.os_ffree += stat_buf.os_ffree;
 852                         sum.os_files += stat_buf.os_files;
 853                 }
 854         }
 855
 856         for (index = 0; ; index++) {
 857                 memset(&stat_buf, 0, sizeof(struct obd_statfs));
 858                 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
 859                 rc = llapi_obd_statfs(mntdir, LL_STATFS_LOV, index,
 860                                       &stat_buf, &uuid_buf);
 861                 if (rc == -ENODEV)
 862                         break;
 863
 864                 if (rc == -EAGAIN)
 865                         continue;
 866
 867                 if (rc == -ENOTCONN || rc == -ETIMEDOUT || rc == -EIO ||
 868                     rc == -ENODATA || rc == 0) {
 869                         showdf(mntdir, &stat_buf, uuid_buf.uuid, ishow, cooked,
 870                                "OST", index, rc);
 871                 } else {
 872                         fprintf(stderr,
 873                                 "error: llapi_obd_statfs failed: %s (%d)\n",
 874                                 strerror(-rc), rc);
 875                         return rc;
 876                 }
 877                 if (rc == 0) {
 878                         sum.os_blocks += stat_buf.os_blocks * stat_buf.os_bsize;
 879                         sum.os_bfree  += stat_buf.os_bfree * stat_buf.os_bsize;
 880                         sum.os_bavail += stat_buf.os_bavail * stat_buf.os_bsize;
 881                 }
 882         }
 883
 884         printf("\n");
 885         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0,0);
 886
 887         return 0;
 888 }
 889
 890 static int lfs_df(int argc, char **argv)
 891 {
 892         FILE *fp;
 893         char *path = NULL;
 894         struct mntent *mnt = NULL;
 895         char mntdir[PATH_MAX] = {'\0'};
 896         int ishow = 0, cooked = 0;
 897         int c, rc = 0;
 898
 899         optind = 0;
 900         while ((c = getopt(argc, argv, "ih")) != -1) {
 901                 switch (c) {
 902                 case 'i':
 903                         ishow = 1;
 904                         break;
 905                 case 'h':
 906                         cooked = 1;
 907                         break;
 908                 default:
 909                         return CMD_HELP;
 910                 }
 911         }
 912         if (optind < argc )
 913                 path = argv[optind];
 914
 915         fp = setmntent(MOUNTED, "r");
 916         if (fp == NULL) {
 917                 rc = -errno;
 918                 fprintf(stderr, "error: %s: open %s failed( %s )\n",
 919                         argv[0], MOUNTED, strerror(errno));
 920                 return rc;
 921         }
 922         if (path) {
 923                 rc = path2mnt(path, fp, mntdir, sizeof(mntdir));
 924                 if (rc) {
 925                         endmntent(fp);
 926                         return rc;
 927                 }
 928
 929                 rc = mntdf(mntdir, ishow, cooked);
 930                 printf("\n");
 931                 endmntent(fp);
 932         } else {
 933                 mnt = getmntent(fp);
 934                 while (feof(fp) == 0 && ferror(fp) == 0) {
 935                         if (llapi_is_lustre_mnt(mnt)) {
 936                                 rc = mntdf(mnt->mnt_dir, ishow, cooked);
 937                                 if (rc)
 938                                         break;
 939                                 printf("\n");
 940                         }
 941                         mnt = getmntent(fp);
 942                 }
 943                 endmntent(fp);
 944         }
 945
 946         return rc;
 947 }
 948
 949 static int lfs_check(int argc, char **argv)
 950 {
 951         int rc;
 952         FILE *fp;
 953         struct mntent *mnt = NULL;
 954         int num_types = 1;
 955         char *obd_types[2];
 956         char obd_type1[4];
 957         char obd_type2[4];
 958
 959         if (argc != 2)
 960                 return CMD_HELP;
 961
 962         obd_types[0] = obd_type1;
 963         obd_types[1] = obd_type2;
 964
 965         if (strcmp(argv[1], "osts") == 0) {
 966                 strcpy(obd_types[0], "osc");
 967         } else if (strcmp(argv[1], "mds") == 0) {
 968                 strcpy(obd_types[0], "mdc");
 969         } else if (strcmp(argv[1], "servers") == 0) {
 970                 num_types = 2;
 971                 strcpy(obd_types[0], "osc");
 972                 strcpy(obd_types[1], "mdc");
 973         } else {
 974                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
 975                                 argv[0], argv[1]);
 976                         return CMD_HELP;
 977         }
 978
 979         fp = setmntent(MOUNTED, "r");
 980         if (fp == NULL) {
 981                  fprintf(stderr, "setmntent(%s): %s:", MOUNTED,
 982                         strerror (errno));
 983         } else {
 984                 mnt = getmntent(fp);
 985                 while (feof(fp) == 0 && ferror(fp) ==0) {
 986                         if (llapi_is_lustre_mnt(mnt))
 987                                 break;
 988                         mnt = getmntent(fp);
 989                 }
 990                 endmntent(fp);
 991         }
 992
 993         if (!mnt) {
 994                 fprintf(stderr, "No suitable Lustre mount found\n");
 995                 return -1;
 996         }
 997
 998         rc = llapi_target_check(num_types, obd_types, mnt->mnt_dir);
 999
1000         if (rc)
1001                 fprintf(stderr, "error: %s: %s status failed\n",
1002                                 argv[0],argv[1]);
1003
1004         return rc;
1005
1006 }
1007
1008 static int lfs_catinfo(int argc, char **argv)
1009 {
1010         FILE *fp;
1011         struct mntent *mnt = NULL;
1012         int rc;
1013
1014         if (argc < 2 || (!strcmp(argv[1],"config") && argc < 3))
1015                 return CMD_HELP;
1016
1017         if (strcmp(argv[1], "config") && strcmp(argv[1], "deletions"))
1018                 return CMD_HELP;
1019
1020         fp = setmntent(MOUNTED, "r");
1021         if (fp == NULL) {
1022                  fprintf(stderr, "setmntent(%s): %s:", MOUNTED,
1023                          strerror(errno));
1024         } else {
1025                 mnt = getmntent(fp);
1026                 while (feof(fp) == 0 && ferror(fp) == 0) {
1027                         if (llapi_is_lustre_mnt(mnt))
1028                                 break;
1029                         mnt = getmntent(fp);
1030                 }
1031                 endmntent(fp);
1032         }
1033
1034         if (mnt) {
1035                 if (argc == 3)
1036                         rc = llapi_catinfo(mnt->mnt_dir, argv[1], argv[2]);
1037                 else
1038                         rc = llapi_catinfo(mnt->mnt_dir, argv[1], NULL);
1039         } else {
1040                 fprintf(stderr, "no lustre_lite mounted.\n");
1041                 rc = -1;
1042         }
1043
1044         return rc;
1045 }
1046
1047 int lfs_join(int argc, char **argv)
1048 {
1049         char *name_head, *name_tail;
1050         int fd, rc;
1051         loff_t size;
1052
1053         if (argc != 3)
1054                 return CMD_HELP;
1055         name_head = argv[1];
1056         fd = open(name_head, O_WRONLY);
1057         if (fd < 0) {
1058                 fprintf(stderr, "Can not open name_head %s rc=%d\n",
1059                         name_head, fd);
1060                 return fd;
1061         }
1062         size = lseek(fd, 0, SEEK_END);
1063         if (size % JOIN_FILE_ALIGN) {
1064                 fprintf(stderr,"head file %s size %llu must be mutiple of %d\n",
1065                         name_head, (long long)size, JOIN_FILE_ALIGN);
1066                 rc = -EINVAL;
1067                 goto out;
1068         }
1069         name_tail = argv[2];
1070         rc = ioctl(fd, LL_IOC_JOIN, name_tail);
1071 out:
1072         close(fd);
1073         if (rc) {
1074                 fprintf(stderr, "Lustre joining files: %s, %s, failed\n",
1075                         argv[1], argv[2]);
1076         }
1077         return rc;
1078 }
1079
1080 #ifdef HAVE_QUOTA_SUPPORT
1081 static int lfs_quotachown(int argc, char **argv)
1082 {
1083
1084         int c,rc;
1085         int flag = 0;
1086
1087         while ((c = getopt(argc, argv, "i")) != -1) {
1088                 switch (c) {
1089                 case 'i':
1090                         flag++;
1091                         break;
1092                 default:
1093                         fprintf(stderr, "error: %s: option '-%c' "
1094                                         "unrecognized\n", argv[0], c);
1095                         return CMD_HELP;
1096                 }
1097         }
1098         if (optind == argc)
1099                 return CMD_HELP;
1100         rc = llapi_quotachown(argv[optind], flag);
1101         if(rc)
1102                 fprintf(stderr,"error: change file owner/group failed.\n");
1103         return rc;
1104 }
1105
1106
1107 static int lfs_quotacheck(int argc, char **argv)
1108 {
1109         int c, check_type = 0;
1110         char *mnt;
1111         struct if_quotacheck qchk;
1112         struct if_quotactl qctl;
1113         char *obd_type = qchk.obd_type;
1114         char *obd_uuid = qchk.obd_uuid.uuid;
1115         int rc;
1116
1117         memset(&qchk, 0, sizeof(qchk));
1118
1119         optind = 0;
1120         while ((c = getopt(argc, argv, "ug")) != -1) {
1121                 switch (c) {
1122                 case 'u':
1123                         check_type |= 0x01;
1124                         break;
1125                 case 'g':
1126                         check_type |= 0x02;
1127                         break;
1128                 default:
1129                         fprintf(stderr, "error: %s: option '-%c' "
1130                                         "unrecognized\n", argv[0], c);
1131                         return CMD_HELP;
1132                 }
1133         }
1134
1135         if (check_type)
1136                 check_type--;
1137         else    /* do quotacheck for both user & group quota by default */
1138                 check_type = 0x02;
1139
1140         if (argc == optind)
1141                 return CMD_HELP;
1142
1143         mnt = argv[optind];
1144
1145         memset(&qctl, 0, sizeof(qctl));
1146         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1147         qctl.qc_id = QFMT_LDISKFS;
1148         qctl.qc_type = check_type;
1149         rc = llapi_quotactl(mnt, &qctl);
1150         if (rc) {
1151                 fprintf(stderr, "quota off failed: %s\n", strerror(errno));
1152                 return rc;
1153         }
1154
1155         rc = llapi_quotacheck(mnt, check_type);
1156         if (rc) {
1157                 fprintf(stderr, "quotacheck failed: %s\n", strerror(errno));
1158                 return rc;
1159         }
1160
1161         rc = llapi_poll_quotacheck(mnt, &qchk);
1162         if (rc) {
1163                 if (*obd_type)
1164                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1165                 fprintf(stderr, "quota check failed: %s\n", strerror(errno));
1166                 return rc;
1167         }
1168
1169         memset(&qctl, 0, sizeof(qctl));
1170         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1171         qctl.qc_id = QFMT_LDISKFS;
1172         qctl.qc_type = check_type;
1173         rc = llapi_quotactl(mnt, &qctl);
1174         if (rc) {
1175                 if (*obd_type)
1176                         fprintf(stderr, "%s %s ",
1177                                 qctl.obd_type, qctl.obd_uuid.uuid);
1178                 fprintf(stderr, "%s turn on quota failed: %s\n",
1179                         argv[0], strerror(errno));
1180                 return rc;
1181         }
1182
1183         return 0;
1184 }
1185
1186 static int lfs_quotaon(int argc, char **argv)
1187 {
1188         int c;
1189         char *mnt;
1190         struct if_quotactl qctl;
1191         char *obd_type = qctl.obd_type;
1192         char *obd_uuid = qctl.obd_uuid.uuid;
1193         int rc;
1194
1195         memset(&qctl, 0, sizeof(qctl));
1196         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1197         qctl.qc_id = QFMT_LDISKFS;
1198
1199         optind = 0;
1200         while ((c = getopt(argc, argv, "ugf")) != -1) {
1201                 switch (c) {
1202                 case 'u':
1203                         qctl.qc_type |= 0x01;
1204                         break;
1205                 case 'g':
1206                         qctl.qc_type |= 0x02;
1207                         break;
1208                 case 'f':
1209                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1210                         break;
1211                 default:
1212                         fprintf(stderr, "error: %s: option '-%c' "
1213                                         "unrecognized\n", argv[0], c);
1214                         return CMD_HELP;
1215                 }
1216         }
1217
1218         if (qctl.qc_type)
1219                 qctl.qc_type--;
1220         else /* by default, enable quota for both user & group */
1221                 qctl.qc_type = 0x02;
1222
1223         if (argc == optind)
1224                 return CMD_HELP;
1225
1226         mnt = argv[optind];
1227
1228         rc = llapi_quotactl(mnt, &qctl);
1229         if (rc) {
1230                 if (*obd_type)
1231                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1232                 fprintf(stderr, "%s failed: %s\n", argv[0], strerror(errno));
1233                 return rc;
1234         }
1235
1236         return 0;
1237 }
1238
1239 static int lfs_quotaoff(int argc, char **argv)
1240 {
1241         int c;
1242         char *mnt;
1243         struct if_quotactl qctl;
1244         char *obd_type = qctl.obd_type;
1245         char *obd_uuid = qctl.obd_uuid.uuid;
1246         int rc;
1247
1248         memset(&qctl, 0, sizeof(qctl));
1249         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1250
1251         optind = 0;
1252         while ((c = getopt(argc, argv, "ug")) != -1) {
1253                 switch (c) {
1254                 case 'u':
1255                         qctl.qc_type |= 0x01;
1256                         break;
1257                 case 'g':
1258                         qctl.qc_type |= 0x02;
1259                         break;
1260                 default:
1261                         fprintf(stderr, "error: %s: option '-%c' "
1262                                         "unrecognized\n", argv[0], c);
1263                         return CMD_HELP;
1264                 }
1265         }
1266
1267         if (qctl.qc_type)
1268                 qctl.qc_type--;
1269         else /* by default, disable quota for both user & group */
1270                 qctl.qc_type = 0x02;
1271
1272         if (argc == optind)
1273                 return CMD_HELP;
1274
1275         mnt = argv[optind];
1276
1277         rc = llapi_quotactl(mnt, &qctl);
1278         if (rc) {
1279                 if (*obd_type)
1280                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1281                 fprintf(stderr, "quotaoff failed: %s\n", strerror(errno));
1282                 return rc;
1283         }
1284
1285         return 0;
1286 }
1287
1288 static int name2id(unsigned int *id, char *name, int type)
1289 {
1290         if (type == USRQUOTA) {
1291                 struct passwd *entry;
1292
1293                 if (!(entry = getpwnam(name))) {
1294                         if (!errno)
1295                                 errno = ENOENT;
1296                         return -1;
1297                 }
1298
1299                 *id = entry->pw_uid;
1300         } else {
1301                 struct group *entry;
1302
1303                 if (!(entry = getgrnam(name))) {
1304                         if (!errno)
1305                                 errno = ENOENT;
1306                         return -1;
1307                 }
1308
1309                 *id = entry->gr_gid;
1310         }
1311
1312         return 0;
1313 }
1314
1315 static int id2name(char **name, unsigned int id, int type)
1316 {
1317         if (type == USRQUOTA) {
1318                 struct passwd *entry;
1319
1320                 if (!(entry = getpwuid(id))) {
1321                         if (!errno)
1322                                 errno = ENOENT;
1323                         return -1;
1324                 }
1325
1326                 *name = entry->pw_name;
1327         } else {
1328                 struct group *entry;
1329
1330                 if (!(entry = getgrgid(id))) {
1331                         if (!errno)
1332                                 errno = ENOENT;
1333                         return -1;
1334                 }
1335
1336                 *name = entry->gr_name;
1337         }
1338
1339         return 0;
1340 }
1341
1342 #define ARG2INT(nr, str, msg)                                           \
1343 do {                                                                    \
1344         char *endp;                                                     \
1345         nr = strtol(str, &endp, 0);                                     \
1346         if (*endp) {                                                    \
1347                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
1348                 return CMD_HELP;                                        \
1349         }                                                               \
1350 } while (0)
1351
1352 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
1353
1354 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
1355  * returns the value or ULONG_MAX on integer overflow or incorrect format
1356  * Notes:
1357  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
1358  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
1359  *        3. empty integer value is interpreted as 0
1360  */
1361
1362 static unsigned long str2sec(const char* timestr) {
1363         const char spec[] = "smhdw";
1364         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
1365         unsigned long val = 0;
1366         char *tail;
1367
1368         if (strpbrk(timestr, spec) == NULL) {
1369                 /* no specifiers inside the time string,
1370                    should treat it as an integer value */
1371                 val = strtoul(timestr, &tail, 10);
1372                 return *tail ? ULONG_MAX : val;
1373         }
1374
1375         /* format string is XXwXXdXXhXXmXXs */
1376         while (*timestr) {
1377                 unsigned long v;
1378                 int ind;
1379                 char* ptr;
1380
1381                 v = strtoul(timestr, &tail, 10);
1382                 if (v == ULONG_MAX || *tail == '\0')
1383                         /* value too large (ULONG_MAX or more)
1384                            or missing specifier */
1385                         goto error;
1386
1387                 ptr = strchr(spec, *tail);
1388                 if (ptr == NULL)
1389                         /* unknown specifier */
1390                         goto error;
1391
1392                 ind = ptr - spec;
1393
1394                 /* check if product will overflow the type */
1395                 if (!(v < ULONG_MAX / mult[ind]))
1396                         goto error;
1397
1398                 ADD_OVERFLOW(val, mult[ind] * v);
1399                 if (val == ULONG_MAX)
1400                         goto error;
1401
1402                 timestr = tail + 1;
1403         }
1404
1405         return val;
1406
1407 error:
1408         return ULONG_MAX;
1409 }
1410
1411 int lfs_setquota(int argc, char **argv)
1412 {
1413         int c;
1414         char *mnt;
1415         struct if_quotactl qctl;
1416         char *obd_type = qctl.obd_type;
1417         char *obd_uuid = qctl.obd_uuid.uuid;
1418         int rc;
1419
1420         memset(&qctl, 0, sizeof(qctl));
1421         qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
1422
1423         optind = 0;
1424         while ((c = getopt(argc, argv, "ugt")) != -1) {
1425                 switch (c) {
1426                 case 'u':
1427                         qctl.qc_type |= 0x01;
1428                         break;
1429                 case 'g':
1430                         qctl.qc_type |= 0x02;
1431                         break;
1432                 case 't':
1433                         qctl.qc_cmd = LUSTRE_Q_SETINFO;
1434                         break;
1435                 default:
1436                         fprintf(stderr, "error: %s: option '-%c' "
1437                                         "unrecognized\n", argv[0], c);
1438                         return CMD_HELP;
1439                 }
1440         }
1441
1442         if (qctl.qc_type)
1443                 qctl.qc_type--;
1444
1445         if (qctl.qc_type == UGQUOTA) {
1446                 fprintf(stderr, "error: user and group quotas can't be set "
1447                                 "both\n");
1448                 return CMD_HELP;
1449         }
1450
1451         if (qctl.qc_cmd == LUSTRE_Q_SETQUOTA) {
1452                 struct obd_dqblk *dqb = &qctl.qc_dqblk;
1453
1454                 if (optind + 6 != argc)
1455                         return CMD_HELP;
1456
1457                 rc = name2id(&qctl.qc_id, argv[optind++], qctl.qc_type);
1458                 if (rc) {
1459                         fprintf(stderr, "error: find id for name %s failed: %s\n",
1460                                 argv[optind - 1], strerror(errno));
1461                         return CMD_HELP;
1462                 }
1463
1464                 ARG2INT(dqb->dqb_bsoftlimit, argv[optind++], "block-softlimit");
1465                 ARG2INT(dqb->dqb_bhardlimit, argv[optind++], "block-hardlimit");
1466                 ARG2INT(dqb->dqb_isoftlimit, argv[optind++], "inode-softlimit");
1467                 ARG2INT(dqb->dqb_ihardlimit, argv[optind++], "inode-hardlimit");
1468
1469                 dqb->dqb_valid = QIF_LIMITS;
1470         } else {
1471                 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
1472
1473                 if (optind + 3 != argc)
1474                         return CMD_HELP;
1475
1476                 if ((dqi->dqi_bgrace = str2sec(argv[optind++])) == ULONG_MAX) {
1477                         fprintf(stderr, "error: bad %s: %s\n", "block-grace", argv[optind - 1]);
1478                         return CMD_HELP;
1479                 }
1480                 if ((dqi->dqi_igrace = str2sec(argv[optind++])) == ULONG_MAX) {
1481                         fprintf(stderr, "error: bad %s: %s\n", "inode-grace", argv[optind - 1]);
1482                         return CMD_HELP;
1483                 }
1484         }
1485
1486         mnt = argv[optind];
1487
1488         rc = llapi_quotactl(mnt, &qctl);
1489         if (rc) {
1490                 if (*obd_type)
1491                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1492                 fprintf(stderr, "setquota failed: %s\n", strerror(errno));
1493                 return rc;
1494         }
1495
1496         return 0;
1497 }
1498
1499 static inline char *type2name(int check_type)
1500 {
1501         if (check_type == USRQUOTA)
1502                 return "user";
1503         else if (check_type == GRPQUOTA)
1504                 return "group";
1505         else
1506                 return "unknown";
1507 }
1508
1509
1510 /* Converts seconds value into format string
1511  * result is returned in buf
1512  * Notes:
1513  *        1. result is in descenting order: 1w2d3h4m5s
1514  *        2. zero fields are not filled (except for p. 3): 5d1s
1515  *        3. zero seconds value is presented as "0s"
1516  */
1517 static void sec2str(time_t seconds, char *buf)
1518 {
1519         const char spec[] = "smhdw";
1520         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
1521         unsigned long c;
1522         char* tail = buf;
1523         int i;
1524
1525         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
1526                 c = seconds / mult[i];
1527
1528                 if (c > 0 || (i == 0 && buf == tail))
1529                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
1530
1531                 seconds %= mult[i];
1532         }
1533 }
1534
1535
1536 static void diff2str(time_t seconds, char *buf, time_t now)
1537 {
1538
1539         buf[0] = 0;
1540         if (!seconds)
1541                 return;
1542         if (seconds <= now) {
1543                 strcpy(buf, "none");
1544                 return;
1545         }
1546         sec2str(seconds - now, buf);
1547 }
1548
1549 static void print_quota_title(char *name, struct if_quotactl *qctl)
1550 {
1551         printf("Disk quotas for %s %s (%cid %u):\n",
1552                type2name(qctl->qc_type), name,
1553                *type2name(qctl->qc_type), qctl->qc_id);
1554         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
1555                "Filesystem",
1556                "kbytes", "quota", "limit", "grace",
1557                "files", "quota", "limit", "grace");
1558 }
1559
1560 static void print_quota(char *mnt, struct if_quotactl *qctl, int ost_only)
1561 {
1562         time_t now;
1563
1564         time(&now);
1565
1566         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
1567                 int bover = 0, iover = 0;
1568                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
1569
1570                 if (dqb->dqb_bhardlimit &&
1571                     toqb(dqb->dqb_curspace) > dqb->dqb_bhardlimit) {
1572                         bover = 1;
1573                 } else if (dqb->dqb_bsoftlimit &&
1574                            toqb(dqb->dqb_curspace) > dqb->dqb_bsoftlimit) {
1575                         if (dqb->dqb_btime > now) {
1576                                 bover = 2;
1577                         } else {
1578                                 bover = 3;
1579                         }
1580                 }
1581
1582                 if (dqb->dqb_ihardlimit &&
1583                     dqb->dqb_curinodes > dqb->dqb_ihardlimit) {
1584                         iover = 1;
1585                 } else if (dqb->dqb_isoftlimit &&
1586                            dqb->dqb_curinodes > dqb->dqb_isoftlimit) {
1587                         if (dqb->dqb_btime > now) {
1588                                 iover = 2;
1589                         } else {
1590                                 iover = 3;
1591                         }
1592                 }
1593
1594 #if 0           /* XXX: always print quotas even when no usages */
1595                 if (dqb->dqb_curspace || dqb->dqb_curinodes)
1596 #endif
1597                 {
1598                         char numbuf[3][32];
1599                         char timebuf[40];
1600
1601                         if (strlen(mnt) > 15)
1602                                 printf("%s\n%15s", mnt, "");
1603                         else
1604                                 printf("%15s", mnt);
1605
1606                         if (bover)
1607                                 diff2str(dqb->dqb_btime, timebuf, now);
1608
1609                         sprintf(numbuf[0], LPU64, toqb(dqb->dqb_curspace));
1610                         sprintf(numbuf[1], LPU64, dqb->dqb_bsoftlimit);
1611                         sprintf(numbuf[2], LPU64, dqb->dqb_bhardlimit);
1612                         printf(" %7s%c %6s %7s %7s",
1613                                numbuf[0], bover ? '*' : ' ', numbuf[1],
1614                                numbuf[2], bover > 1 ? timebuf : "");
1615
1616                         if (iover)
1617                                 diff2str(dqb->dqb_itime, timebuf, now);
1618
1619                         sprintf(numbuf[0], LPU64, dqb->dqb_curinodes);
1620                         sprintf(numbuf[1], LPU64, dqb->dqb_isoftlimit);
1621                         sprintf(numbuf[2], LPU64, dqb->dqb_ihardlimit);
1622                         if (!ost_only)
1623                                 printf(" %7s%c %6s %7s %7s",
1624                                        numbuf[0], iover ? '*' : ' ', numbuf[1],
1625                                        numbuf[2], iover > 1 ? timebuf : "");
1626                         printf("\n");
1627                 }
1628         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
1629                    qctl->qc_cmd == Q_GETOINFO) {
1630                 char bgtimebuf[40];
1631                 char igtimebuf[40];
1632
1633                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf);
1634                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf);
1635                 printf("Block grace time: %s; Inode grace time: %s\n",
1636                        bgtimebuf, igtimebuf);
1637         }
1638 }
1639
1640 static void print_mds_quota(char *mnt, struct if_quotactl *qctl)
1641 {
1642         int rc;
1643
1644         /* XXX: this is a flag to mark that only mds quota is wanted */
1645         qctl->qc_dqblk.dqb_valid = 1;
1646         rc = llapi_quotactl(mnt, qctl);
1647         if (rc) {
1648                 fprintf(stderr, "quotactl failed: %s\n", strerror(errno));
1649                 return;
1650         }
1651         qctl->qc_dqblk.dqb_valid = 0;
1652
1653         print_quota(qctl->obd_uuid.uuid, qctl, 0);
1654 }
1655
1656 static void print_lov_quota(char *mnt, struct if_quotactl *qctl)
1657 {
1658         DIR *dir;
1659         struct obd_uuid *uuids = NULL, *uuidp;
1660         int obdcount = 1024;
1661         int i, rc;
1662
1663         dir = opendir(mnt);
1664         if (!dir) {
1665                 fprintf(stderr, "open %s failed: %s\n", mnt, strerror(errno));
1666                 return;
1667         }
1668
1669         uuids = (struct obd_uuid *)malloc(INIT_ALLOC_NUM_OSTS *
1670                                           sizeof(struct obd_uuid));
1671         if (uuids == NULL)
1672                 goto out;
1673
1674 retry_get_uuids:
1675         rc = llapi_lov_get_uuids(dirfd(dir), uuids, &obdcount);
1676         if (rc != 0) {
1677                 struct obd_uuid *uuids_temp;
1678
1679                 if (rc == -EOVERFLOW) {
1680                         uuids_temp = realloc(uuids, obdcount *
1681                                              sizeof(struct obd_uuid));
1682                         if (uuids_temp != NULL)
1683                                 goto retry_get_uuids;
1684                         else
1685                                 rc = -ENOMEM;
1686                 }
1687
1688                 fprintf(stderr, "get ost uuid failed: %s\n", strerror(rc));
1689                 goto out;
1690         }
1691
1692         for (i = 0, uuidp = uuids; i < obdcount; i++, uuidp++) {
1693                 memcpy(&qctl->obd_uuid, uuidp, sizeof(*uuidp));
1694
1695                 /* XXX clear this flag to get quota from osts */
1696                 qctl->qc_dqblk.dqb_valid = 0;
1697                 rc = llapi_quotactl(mnt, qctl);
1698                 if (rc) {
1699                         fprintf(stderr, "%s quotactl failed: %s\n",
1700                                 uuidp->uuid, strerror(errno));
1701                         continue;
1702                 }
1703
1704                 print_quota(uuidp->uuid, qctl, 1);
1705         }
1706
1707 out:
1708         closedir(dir);
1709         return;
1710 }
1711
1712 static int lfs_quota(int argc, char **argv)
1713 {
1714         int c;
1715         char *name = NULL, *mnt;
1716         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
1717                                     .qc_type = 0x01 };
1718         char *obd_type = qctl.obd_type;
1719         char *obd_uuid = qctl.obd_uuid.uuid;
1720         int rc;
1721
1722         optind = 0;
1723         while ((c = getopt(argc, argv, "ugto:")) != -1) {
1724                 switch (c) {
1725                 case 'u':
1726                         qctl.qc_type = 0x01;
1727                         break;
1728                 case 'g':
1729                         qctl.qc_type = 0x02;
1730                         break;
1731                 case 't':
1732                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
1733                         break;
1734                 case 'o':
1735                         strncpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
1736                         break;
1737                 default:
1738                         fprintf(stderr, "error: %s: option '-%c' "
1739                                         "unrecognized\n", argv[0], c);
1740                         return CMD_HELP;
1741                 }
1742         }
1743
1744         if (qctl.qc_type)
1745                 qctl.qc_type--;
1746
1747
1748         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
1749                 if (optind + 2 != argc) {
1750                         fprintf(stderr, "error: missing quota argument(s)\n");
1751                         return CMD_HELP;
1752                 }
1753
1754                 name = argv[optind++];
1755                 rc = name2id(&qctl.qc_id, name, qctl.qc_type);
1756                 if (rc) {
1757                         fprintf(stderr,"error: can't find id for name %s: %s\n",
1758                                 name, strerror(errno));
1759                         return CMD_HELP;
1760                 }
1761                 print_quota_title(name, &qctl);
1762         } else if (optind + 1 != argc) {
1763                 fprintf(stderr, "error: missing quota info argument(s)\n");
1764                 return CMD_HELP;
1765         }
1766
1767         mnt = argv[optind];
1768
1769         rc = llapi_quotactl(mnt, &qctl);
1770         if (rc) {
1771                 if (*obd_type)
1772                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1773                 fprintf(stderr, "quota failed: %s\n", strerror(errno));
1774                 return rc;
1775         }
1776
1777         if (!name)
1778                 rc = id2name(&name, getuid(), qctl.qc_type);
1779
1780         if (*obd_uuid) {
1781                 mnt = "";
1782                 name = obd_uuid;
1783         }
1784
1785         print_quota(mnt, &qctl, 0);
1786
1787         if (!*obd_uuid && qctl.qc_cmd != LUSTRE_Q_GETINFO) {
1788                 print_mds_quota(mnt, &qctl);
1789                 print_lov_quota(mnt, &qctl);
1790         }
1791
1792         return 0;
1793 }
1794 #endif /* HAVE_QUOTA_SUPPORT */
1795
1796 static int flushctx_ioctl(char *mp)
1797 {
1798         int fd, rc;
1799
1800         fd = open(mp, O_RDONLY);
1801         if (fd == -1) {
1802                 fprintf(stderr, "flushctx: error open %s: %s\n",
1803                         mp, strerror(errno));
1804                 return -1;
1805         }
1806
1807         rc = ioctl(fd, LL_IOC_FLUSHCTX);
1808         if (rc == -1)
1809                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
1810                         mp, strerror(errno));
1811
1812         close(fd);
1813         return rc;
1814 }
1815
1816 static int lfs_flushctx(int argc, char **argv)
1817 {
1818         int     kdestroy = 0, c;
1819         FILE   *proc;
1820         char    procline[PATH_MAX], *line;
1821         int     rc = 0;
1822
1823         optind = 0;
1824         while ((c = getopt(argc, argv, "k")) != -1) {
1825                 switch (c) {
1826                 case 'k':
1827                         kdestroy = 1;
1828                         break;
1829                 default:
1830                         fprintf(stderr, "error: %s: option '-%c' "
1831                                         "unrecognized\n", argv[0], c);
1832                         return CMD_HELP;
1833                 }
1834         }
1835
1836         if (kdestroy)
1837                 system("kdestroy > /dev/null");
1838
1839         if (optind >= argc) {
1840                 /* flush for all mounted lustre fs. */
1841                 proc = fopen("/proc/mounts", "r");
1842                 if (!proc) {
1843                         fprintf(stderr, "error: %s: can't open /proc/mounts\n",
1844                                 argv[0]);
1845                         return -1;
1846                 }
1847
1848                 while ((line = fgets(procline, PATH_MAX, proc)) != NULL) {
1849                         char dev[PATH_MAX];
1850                         char mp[PATH_MAX];
1851                         char fs[PATH_MAX];
1852
1853                         if (sscanf(line, "%s %s %s", dev, mp, fs) != 3) {
1854                                 fprintf(stderr, "%s: unexpected format in "
1855                                                 "/proc/mounts\n",
1856                                         argv[0]);
1857                                 return -1;
1858                         }
1859
1860                         if (strcmp(fs, "lustre") != 0)
1861                                 continue;
1862                         /* we use '@' to determine it's a client. are there
1863                          * any other better way?
1864                          */
1865                         if (strchr(dev, '@') == NULL)
1866                                 continue;
1867
1868                         if (flushctx_ioctl(mp))
1869                                 rc = -1;
1870                 }
1871         } else {
1872                 /* flush fs as specified */
1873                 while (optind < argc) {
1874                         if (flushctx_ioctl(argv[optind++]))
1875                                 rc = -1;
1876                 }
1877         }
1878
1879         return rc;
1880 }
1881
1882 static int lfs_lsetfacl(int argc, char **argv)
1883 {
1884         argv[0]++;
1885         return(llapi_lsetfacl(argc, argv));
1886 }
1887
1888 static int lfs_lgetfacl(int argc, char **argv)
1889 {
1890         argv[0]++;
1891         return(llapi_lgetfacl(argc, argv));
1892 }
1893
1894 static int lfs_rsetfacl(int argc, char **argv)
1895 {
1896         argv[0]++;
1897         return(llapi_rsetfacl(argc, argv));
1898 }
1899
1900 static int lfs_rgetfacl(int argc, char **argv)
1901 {
1902         argv[0]++;
1903         return(llapi_rgetfacl(argc, argv));
1904 }
1905
1906 static int lfs_cp(int argc, char **argv)
1907 {
1908         return(llapi_cp(argc, argv));
1909 }
1910
1911 static int lfs_ls(int argc, char **argv)
1912 {
1913         return(llapi_ls(argc, argv));
1914 }
1915
1916 int main(int argc, char **argv)
1917 {
1918         int rc;
1919
1920         setlinebuf(stdout);
1921
1922         ptl_initialize(argc, argv);
1923         if (obd_initialize(argc, argv) < 0)
1924                 exit(2);
1925         if (dbg_initialize(argc, argv) < 0)
1926                 exit(3);
1927
1928         Parser_init("lfs > ", cmdlist);
1929
1930         if (argc > 1) {
1931                 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
1932         } else {
1933                 rc = Parser_commands();
1934         }
1935
1936         obd_finalize(argc, argv);
1937         return rc;
1938 }