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                 optind = 0;
 218                 while ((c = getopt_long(argc, argv, "c:di:s:",
 219                                                 long_opts, NULL)) >= 0) {
 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         optind = 0;
 366         while ((c = getopt_long_only(argc, argv, "-A:C:D:M:n:PpO:qrs:t:v",
 367                                      long_opts, NULL)) >= 0) {
 368                 xtime = NULL;
 369                 xsign = NULL;
 370                 if (neg_opt)
 371                         --neg_opt;
 372                 /* '!' is part of option */
 373                 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
 374                 if (!isoption && pathend != -1) {
 375                         fprintf(stderr, "err: %s: filename|dirname must either "
 376                                         "precede options or follow options\n",
 377                                         argv[0]);
 378                         return CMD_HELP;
 379                 }
 380                 if (!isoption && pathstart == -1)
 381                         pathstart = optind - 1;
 382                 if (isoption && pathstart != -1 && pathend == -1) {
 383                         pathend = optind - 2;
 384                         if ((c == 1 && strcmp(optarg, "!") == 0) ||
 385                             c == 'P' || c == 'p' || c == 'O' ||
 386                             c == 'q' || c == 'r' || c == 'v')
 387                                 pathend = optind - 1;
 388                 }
 389                 switch (c) {
 390                 case 0:
 391                         /* Long options. */
 392                         break;
 393                 case 1:
 394                         if (strcmp(optarg, "!") == 0)
 395                                 neg_opt = 2;
 396                         break;
 397                 case 'A':
 398                         xtime = &param.atime;
 399                         xsign = &param.asign;
 400                 case 'C':
 401                         if (c == 'C') {
 402                                 xtime = &param.ctime;
 403                                 xsign = &param.csign;
 404                         }
 405                 case 'M':
 406                         if (c == 'M') {
 407                                 xtime = &param.mtime;
 408                                 xsign = &param.msign;
 409                         }
 410                         new_fashion = 1;
 411                         if (neg_opt) {
 412                                 if (optarg[0] == '-')
 413                                         optarg[0] = '+';
 414                                 else if (optarg[0] == '+')
 415                                         optarg[0] = '-';
 416                                 else {
 417                                         str[0] = '-';
 418                                         str[1] = '\0';
 419                                         strcat(str, optarg);
 420                                         optarg = str;
 421                                 }
 422                         }
 423                         ret = set_time(&t, xtime, optarg);
 424                         if (ret == INT_MAX)
 425                                 return -1;
 426                         if (ret)
 427                                 *xsign = ret;
 428                         break;
 429                 case 'D':
 430                         new_fashion = 1;
 431                         param.maxdepth = strtol(optarg, 0, 0);
 432                         break;
 433                 case 'n':
 434                         new_fashion = 1;
 435                         param.pattern = (char *)optarg;
 436                         param.exclude_pattern = !!neg_opt;
 437                         break;
 438                 case 'O': {
 439                         char *buf, *token, *next, *p;
 440                         int len;
 441
 442                         len = strlen((char *)optarg);
 443                         buf = malloc(len+1);
 444                         if (buf == NULL)
 445                                 return -ENOMEM;
 446                         strcpy(buf, (char *)optarg);
 447
 448                         if (param.num_alloc_obds == 0) {
 449                                 param.obduuid = (struct obd_uuid *)malloc(FIND_MAX_OSTS *
 450                                                        sizeof(struct obd_uuid));
 451                                 if (param.obduuid == NULL)
 452                                         return -ENOMEM;
 453                                 param.num_alloc_obds = INIT_ALLOC_NUM_OSTS;
 454                         }
 455
 456                         for (token = buf; token && *token; token = next) {
 457                                 p = strchr(token, ',');
 458                                 next = 0;
 459                                 if (p) {
 460                                         *p = 0;
 461                                         next = p+1;
 462                                 }
 463                                 strcpy((char *)&param.obduuid[param.num_obds++].uuid,
 464                                        token);
 465                         }
 466
 467                         if (buf)
 468                                 free(buf);
 469                         break;
 470                 }
 471                 case 'p':
 472                         new_fashion = 1;
 473                         param.zeroend = 1;
 474                         break;
 475                 case 'P':
 476                         break;
 477                 case 'q':
 478                         new_fashion = 0;
 479                         param.quiet++;
 480                         param.verbose = 0;
 481                         break;
 482                 case 'r':
 483                         new_fashion = 0;
 484                         param.recursive = 1;
 485                         break;
 486                 case 't':
 487                         param.exclude_type = !!neg_opt;
 488                         switch(optarg[0]) {
 489                         case 'b': param.type = S_IFBLK; break;
 490                         case 'c': param.type = S_IFCHR; break;
 491                         case 'd': param.type = S_IFDIR; break;
 492                         case 'f': param.type = S_IFREG; break;
 493                         case 'l': param.type = S_IFLNK; break;
 494                         case 'p': param.type = S_IFIFO; break;
 495                         case 's': param.type = S_IFSOCK; break;
 496 #ifdef S_IFDOOR /* Solaris only */
 497                         case 'D': param.type = S_IFDOOR; break;
 498 #endif
 499                         default: fprintf(stderr, "error: %s: bad type '%s'\n",
 500                                          argv[0], optarg);
 501                                  return CMD_HELP;
 502                         };
 503                         break;
 504                 case 's':
 505                         if (neg_opt) {
 506                                 if (optarg[0] == '-')
 507                                         optarg[0] = '+';
 508                                 else if (optarg[0] == '+')
 509                                         optarg[0] = '-';
 510                                 else {
 511                                         str[0] = '-';
 512                                         str[1] = '\0';
 513                                         strcat(str, optarg);
 514                                         optarg = str;
 515                                 }
 516                         }
 517                         if (optarg[0] == '+')
 518                                 param.size_sign = -1;
 519                         else if (optarg[0] == '-')
 520                                 param.size_sign = +1;
 521
 522                         if (param.size_sign)
 523                                 optarg++;
 524                         ret = parse_size(optarg, &param.size,&param.size_units);
 525                         if (ret) {
 526                                 fprintf(stderr,"error: bad size '%s'\n",
 527                                         optarg);
 528                                 return ret;
 529                         }
 530                         break;
 531                 case 'v':
 532                         new_fashion = 0;
 533                         param.verbose++;
 534                         param.quiet = 0;
 535                         break;
 536                 case '?':
 537                         return CMD_HELP;
 538                 default:
 539                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
 540                                 argv[0], argv[optind - 1]);
 541                         return CMD_HELP;
 542                 };
 543         }
 544
 545         if (pathstart == -1) {
 546                 fprintf(stderr, "error: %s: no filename|pathname\n",
 547                         argv[0]);
 548                 return CMD_HELP;
 549         } else if (pathend == -1) {
 550                 /* no options */
 551                 pathend = argc;
 552         }
 553
 554         if (new_fashion) {
 555                 param.quiet = 1;
 556         } else {
 557                 static int deprecated_warning;
 558                 if (!deprecated_warning) {
 559                         fprintf(stderr, "lfs find: -q, -r, -v options "
 560                                 "deprecated.  Use 'lfs getstripe' instead.\n");
 561                         deprecated_warning = 1;
 562                 }
 563                 if (!param.recursive && param.maxdepth == -1)
 564                         param.maxdepth = 1;
 565         }
 566
 567         do {
 568                 if (new_fashion)
 569                         ret = llapi_find(argv[pathstart], &param);
 570                 else
 571                         ret = llapi_getstripe(argv[pathstart], &param);
 572         } while (++pathstart < pathend && !ret);
 573
 574         if (ret)
 575                 fprintf(stderr, "error: %s failed for %s.\n",
 576                         argv[0], argv[optind - 1]);
 577
 578         if (param.obduuid && param.num_alloc_obds)
 579                 free(param.obduuid);
 580
 581         return ret;
 582 }
 583
 584 static int lfs_getstripe(int argc, char **argv)
 585 {
 586         struct option long_opts[] = {
 587                 {"obd", 1, 0, 'O'},
 588                 {"quiet", 0, 0, 'q'},
 589                 {"recursive", 0, 0, 'r'},
 590                 {"verbose", 0, 0, 'v'},
 591                 {0, 0, 0, 0}
 592         };
 593         char short_opts[] = "hO:qrv";
 594         int c, rc;
 595         struct find_param param = { 0 };
 596
 597         optind = 0;
 598         while ((c = getopt_long(argc, argv, short_opts,
 599                                 long_opts, NULL)) != -1) {
 600                 switch (c) {
 601                 case 'O':
 602                         if (param.obduuid) {
 603                                 fprintf(stderr,
 604                                         "error: %s: only one obduuid allowed",
 605                                         argv[0]);
 606                                 return CMD_HELP;
 607                         }
 608                         param.obduuid = (struct obd_uuid *)optarg;
 609                         break;
 610                 case 'q':
 611                         param.quiet++;
 612                         param.verbose = 0;
 613                         break;
 614                 case 'r':
 615                         param.recursive = 1;
 616                         break;
 617                 case 'v':
 618                         param.verbose++;
 619                         param.quiet = 0;
 620                         break;
 621                 case '?':
 622                         return CMD_HELP;
 623                 default:
 624                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
 625                                 argv[0], argv[optind - 1]);
 626                         return CMD_HELP;
 627                 }
 628         }
 629
 630         if (optind >= argc)
 631                 return CMD_HELP;
 632
 633         param.maxdepth = param.recursive ? -1 : 1;
 634
 635         do {
 636                 rc = llapi_getstripe(argv[optind], &param);
 637         } while (++optind < argc && !rc);
 638
 639         if (rc)
 640                 fprintf(stderr, "error: %s failed for %s.\n",
 641                         argv[0], argv[optind - 1]);
 642         return rc;
 643 }
 644
 645 static int lfs_osts(int argc, char **argv)
 646 {
 647         FILE *fp;
 648         struct mntent *mnt = NULL;
 649         struct obd_uuid *obduuid = NULL;
 650         struct find_param param;
 651         int rc=0;
 652
 653         if (argc != 1)
 654                 return CMD_HELP;
 655
 656         fp = setmntent(MOUNTED, "r");
 657
 658         if (fp == NULL) {
 659                  fprintf(stderr, "%s: setmntent(%s): %s:", argv[0], MOUNTED,
 660                         strerror (errno));
 661         } else {
 662                 mnt = getmntent(fp);
 663                 memset(&param, 0, sizeof(param));
 664                 param.obduuid = obduuid;
 665                 while (feof(fp) == 0 && ferror(fp) ==0) {
 666                         if (llapi_is_lustre_mnt(mnt)) {
 667                                 rc = llapi_getstripe(mnt->mnt_dir, &param);
 668                                 if (rc)
 669                                         fprintf(stderr,
 670                                                "error: %s: failed on %s\n",
 671                                                argv[0], mnt->mnt_dir);
 672                         }
 673                         mnt = getmntent(fp);
 674                 }
 675                 endmntent(fp);
 676         }
 677
 678         return rc;
 679 }
 680
 681 #define COOK(value)                                                     \
 682 ({                                                                      \
 683         int radix = 0;                                                  \
 684         while (value > 1024) {                                          \
 685                 value /= 1024;                                          \
 686                 radix++;                                                \
 687         }                                                               \
 688         radix;                                                          \
 689 })
 690 #define UUF     "%-20s"
 691 #define CSF     "%9s"
 692 #define CDF     "%9llu"
 693 #define HSF     "%8s"
 694 #define HDF     "%6.1f"
 695 #define RSF     "%5s"
 696 #define RDF     "%4d%%"
 697
 698 static int path2mnt(char *path, FILE *fp, char *mntdir, int dir_len)
 699 {
 700         char rpath[PATH_MAX] = {'\0'};
 701         struct mntent *mnt;
 702         int rc, len, out_len = 0;
 703
 704         if (!realpath(path, rpath)) {
 705                 rc = -errno;
 706                 fprintf(stderr, "error: lfs df: invalid path '%s': %s\n",
 707                         path, strerror(-rc));
 708                 return rc;
 709         }
 710
 711         len = 0;
 712         mnt = getmntent(fp);
 713         while (feof(fp) == 0 && ferror(fp) == 0) {
 714                 if (llapi_is_lustre_mnt(mnt)) {
 715                         len = strlen(mnt->mnt_dir);
 716                         if (len > out_len &&
 717                             !strncmp(rpath, mnt->mnt_dir, len)) {
 718                                 out_len = len;
 719                                 memset(mntdir, 0, dir_len);
 720                                 strncpy(mntdir, mnt->mnt_dir, dir_len);
 721                         }
 722                 }
 723                 mnt = getmntent(fp);
 724         }
 725
 726         if (out_len > 0)
 727                 return 0;
 728
 729         fprintf(stderr, "error: lfs df: %s isn't mounted on lustre\n", path);
 730         return -EINVAL;
 731 }
 732
 733 static int showdf(char *mntdir, struct obd_statfs *stat,
 734                   char *uuid, int ishow, int cooked,
 735                   char *type, int index, int rc)
 736 {
 737         long long avail, used, total;
 738         double ratio = 0;
 739         char *suffix = "KMGTPEZY";
 740         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
 741         char tbuf[20], ubuf[20], abuf[20], rbuf[20];
 742
 743         if (!uuid || !stat)
 744                 return -EINVAL;
 745
 746         switch (rc) {
 747         case 0:
 748                 if (ishow) {
 749                         avail = stat->os_ffree;
 750                         used = stat->os_files - stat->os_ffree;
 751                         total = stat->os_files;
 752                 } else {
 753                         int shift = cooked ? 0 : 10;
 754
 755                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
 756                         used  = ((stat->os_blocks - stat->os_bfree) *
 757                                  stat->os_bsize) >> shift;
 758                         total = (stat->os_blocks * stat->os_bsize) >> shift;
 759                 }
 760
 761                 if (total > 0)
 762                         ratio = (double)used / (double)total;
 763
 764                 if (cooked) {
 765                         int i;
 766                         double cook_val;
 767
 768                         cook_val = (double)total;
 769                         i = COOK(cook_val);
 770                         if (i > 0)
 771                                 sprintf(tbuf, HDF"%c", cook_val, suffix[i - 1]);
 772                         else
 773                                 sprintf(tbuf, CDF, total);
 774
 775                         cook_val = (double)used;
 776                         i = COOK(cook_val);
 777                         if (i > 0)
 778                                 sprintf(ubuf, HDF"%c", cook_val, suffix[i - 1]);
 779                         else
 780                                 sprintf(ubuf, CDF, used);
 781
 782                         cook_val = (double)avail;
 783                         i = COOK(cook_val);
 784                         if (i > 0)
 785                                 sprintf(abuf, HDF"%c", cook_val, suffix[i - 1]);
 786                         else
 787                                 sprintf(abuf, CDF, avail);
 788                 } else {
 789                         sprintf(tbuf, CDF, total);
 790                         sprintf(ubuf, CDF, used);
 791                         sprintf(abuf, CDF, avail);
 792                 }
 793
 794                 sprintf(rbuf, RDF, (int)(ratio * 100));
 795                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
 796                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
 797                 if (type)
 798                         printf("[%s:%d]\n", type, index);
 799                 else
 800                         printf("\n");
 801
 802                 break;
 803         case -ENODATA:
 804                 printf(UUF": inactive device\n", uuid);
 805                 break;
 806         default:
 807                 printf(UUF": %s\n", uuid, strerror(-rc));
 808                 break;
 809         }
 810
 811         return 0;
 812 }
 813
 814 static int mntdf(char *mntdir, int ishow, int cooked)
 815 {
 816         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
 817         struct obd_uuid uuid_buf;
 818         __u32 index;
 819         int rc;
 820
 821         if (ishow)
 822                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
 823                        "UUID", "Inodes", "IUsed", "IFree",
 824                        "IUse%", "Mounted on");
 825         else
 826                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
 827                        "UUID", cooked ? "bytes" : "1K-blocks",
 828                        "Used", "Available", "Use%", "Mounted on");
 829
 830         for (index = 0; ; index++) {
 831                 memset(&stat_buf, 0, sizeof(struct obd_statfs));
 832                 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
 833                 rc = llapi_obd_statfs(mntdir, LL_STATFS_MDC, index,
 834                                       &stat_buf, &uuid_buf);
 835                 if (rc == -ENODEV)
 836                         break;
 837
 838                 if (rc == -EAGAIN)
 839                         continue;
 840
 841                 if (rc == -ENOTCONN || rc == -ETIMEDOUT || rc == -EIO ||
 842                     rc == -ENODATA || rc == 0) {
 843                         showdf(mntdir, &stat_buf, uuid_buf.uuid, ishow, cooked,
 844                                "MDT", index, rc);
 845                 } else {
 846                         fprintf(stderr,
 847                                 "error: llapi_obd_statfs(%s): %s (%d)\n",
 848                                 uuid_buf.uuid, strerror(-rc), rc);
 849                         return rc;
 850                 }
 851                 if (rc == 0) {
 852                         sum.os_ffree += stat_buf.os_ffree;
 853                         sum.os_files += stat_buf.os_files;
 854                 }
 855         }
 856
 857         for (index = 0; ; index++) {
 858                 memset(&stat_buf, 0, sizeof(struct obd_statfs));
 859                 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
 860                 rc = llapi_obd_statfs(mntdir, LL_STATFS_LOV, index,
 861                                       &stat_buf, &uuid_buf);
 862                 if (rc == -ENODEV)
 863                         break;
 864
 865                 if (rc == -EAGAIN)
 866                         continue;
 867
 868                 if (rc == -ENOTCONN || rc == -ETIMEDOUT || rc == -EIO ||
 869                     rc == -ENODATA || rc == 0) {
 870                         showdf(mntdir, &stat_buf, uuid_buf.uuid, ishow, cooked,
 871                                "OST", index, rc);
 872                 } else {
 873                         fprintf(stderr,
 874                                 "error: llapi_obd_statfs failed: %s (%d)\n",
 875                                 strerror(-rc), rc);
 876                         return rc;
 877                 }
 878                 if (rc == 0) {
 879                         sum.os_blocks += stat_buf.os_blocks * stat_buf.os_bsize;
 880                         sum.os_bfree  += stat_buf.os_bfree * stat_buf.os_bsize;
 881                         sum.os_bavail += stat_buf.os_bavail * stat_buf.os_bsize;
 882                 }
 883         }
 884
 885         printf("\n");
 886         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0,0);
 887
 888         return 0;
 889 }
 890
 891 static int lfs_df(int argc, char **argv)
 892 {
 893         FILE *fp;
 894         char *path = NULL;
 895         struct mntent *mnt = NULL;
 896         char mntdir[PATH_MAX] = {'\0'};
 897         int ishow = 0, cooked = 0;
 898         int c, rc = 0;
 899
 900         optind = 0;
 901         while ((c = getopt(argc, argv, "ih")) != -1) {
 902                 switch (c) {
 903                 case 'i':
 904                         ishow = 1;
 905                         break;
 906                 case 'h':
 907                         cooked = 1;
 908                         break;
 909                 default:
 910                         return CMD_HELP;
 911                 }
 912         }
 913         if (optind < argc )
 914                 path = argv[optind];
 915
 916         fp = setmntent(MOUNTED, "r");
 917         if (fp == NULL) {
 918                 rc = -errno;
 919                 fprintf(stderr, "error: %s: open %s failed( %s )\n",
 920                         argv[0], MOUNTED, strerror(errno));
 921                 return rc;
 922         }
 923         if (path) {
 924                 rc = path2mnt(path, fp, mntdir, sizeof(mntdir));
 925                 if (rc) {
 926                         endmntent(fp);
 927                         return rc;
 928                 }
 929
 930                 rc = mntdf(mntdir, ishow, cooked);
 931                 printf("\n");
 932                 endmntent(fp);
 933         } else {
 934                 mnt = getmntent(fp);
 935                 while (feof(fp) == 0 && ferror(fp) == 0) {
 936                         if (llapi_is_lustre_mnt(mnt)) {
 937                                 rc = mntdf(mnt->mnt_dir, ishow, cooked);
 938                                 if (rc)
 939                                         break;
 940                                 printf("\n");
 941                         }
 942                         mnt = getmntent(fp);
 943                 }
 944                 endmntent(fp);
 945         }
 946
 947         return rc;
 948 }
 949
 950 static int lfs_check(int argc, char **argv)
 951 {
 952         int rc;
 953         FILE *fp;
 954         struct mntent *mnt = NULL;
 955         int num_types = 1;
 956         char *obd_types[2];
 957         char obd_type1[4];
 958         char obd_type2[4];
 959
 960         if (argc != 2)
 961                 return CMD_HELP;
 962
 963         obd_types[0] = obd_type1;
 964         obd_types[1] = obd_type2;
 965
 966         if (strcmp(argv[1], "osts") == 0) {
 967                 strcpy(obd_types[0], "osc");
 968         } else if (strcmp(argv[1], "mds") == 0) {
 969                 strcpy(obd_types[0], "mdc");
 970         } else if (strcmp(argv[1], "servers") == 0) {
 971                 num_types = 2;
 972                 strcpy(obd_types[0], "osc");
 973                 strcpy(obd_types[1], "mdc");
 974         } else {
 975                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
 976                                 argv[0], argv[1]);
 977                         return CMD_HELP;
 978         }
 979
 980         fp = setmntent(MOUNTED, "r");
 981         if (fp == NULL) {
 982                  fprintf(stderr, "setmntent(%s): %s:", MOUNTED,
 983                         strerror (errno));
 984         } else {
 985                 mnt = getmntent(fp);
 986                 while (feof(fp) == 0 && ferror(fp) ==0) {
 987                         if (llapi_is_lustre_mnt(mnt))
 988                                 break;
 989                         mnt = getmntent(fp);
 990                 }
 991                 endmntent(fp);
 992         }
 993
 994         if (!mnt) {
 995                 fprintf(stderr, "No suitable Lustre mount found\n");
 996                 return -1;
 997         }
 998
 999         rc = llapi_target_check(num_types, obd_types, mnt->mnt_dir);
1000
1001         if (rc)
1002                 fprintf(stderr, "error: %s: %s status failed\n",
1003                                 argv[0],argv[1]);
1004
1005         return rc;
1006
1007 }
1008
1009 static int lfs_catinfo(int argc, char **argv)
1010 {
1011         FILE *fp;
1012         struct mntent *mnt = NULL;
1013         int rc;
1014
1015         if (argc < 2 || (!strcmp(argv[1],"config") && argc < 3))
1016                 return CMD_HELP;
1017
1018         if (strcmp(argv[1], "config") && strcmp(argv[1], "deletions"))
1019                 return CMD_HELP;
1020
1021         fp = setmntent(MOUNTED, "r");
1022         if (fp == NULL) {
1023                  fprintf(stderr, "setmntent(%s): %s:", MOUNTED,
1024                          strerror(errno));
1025         } else {
1026                 mnt = getmntent(fp);
1027                 while (feof(fp) == 0 && ferror(fp) == 0) {
1028                         if (llapi_is_lustre_mnt(mnt))
1029                                 break;
1030                         mnt = getmntent(fp);
1031                 }
1032                 endmntent(fp);
1033         }
1034
1035         if (mnt) {
1036                 if (argc == 3)
1037                         rc = llapi_catinfo(mnt->mnt_dir, argv[1], argv[2]);
1038                 else
1039                         rc = llapi_catinfo(mnt->mnt_dir, argv[1], NULL);
1040         } else {
1041                 fprintf(stderr, "no lustre_lite mounted.\n");
1042                 rc = -1;
1043         }
1044
1045         return rc;
1046 }
1047
1048 int lfs_join(int argc, char **argv)
1049 {
1050         char *name_head, *name_tail;
1051         int fd, rc;
1052         loff_t size;
1053
1054         if (argc != 3)
1055                 return CMD_HELP;
1056         name_head = argv[1];
1057         fd = open(name_head, O_WRONLY);
1058         if (fd < 0) {
1059                 fprintf(stderr, "Can not open name_head %s rc=%d\n",
1060                         name_head, fd);
1061                 return fd;
1062         }
1063         size = lseek(fd, 0, SEEK_END);
1064         if (size % JOIN_FILE_ALIGN) {
1065                 fprintf(stderr,"head file %s size %llu must be mutiple of %d\n",
1066                         name_head, (long long)size, JOIN_FILE_ALIGN);
1067                 rc = -EINVAL;
1068                 goto out;
1069         }
1070         name_tail = argv[2];
1071         rc = ioctl(fd, LL_IOC_JOIN, name_tail);
1072 out:
1073         close(fd);
1074         if (rc) {
1075                 fprintf(stderr, "Lustre joining files: %s, %s, failed\n",
1076                         argv[1], argv[2]);
1077         }
1078         return rc;
1079 }
1080
1081 #ifdef HAVE_QUOTA_SUPPORT
1082 static int lfs_quotachown(int argc, char **argv)
1083 {
1084
1085         int c,rc;
1086         int flag = 0;
1087
1088         optind = 0;
1089         while ((c = getopt(argc, argv, "i")) != -1) {
1090                 switch (c) {
1091                 case 'i':
1092                         flag++;
1093                         break;
1094                 default:
1095                         fprintf(stderr, "error: %s: option '-%c' "
1096                                         "unrecognized\n", argv[0], c);
1097                         return CMD_HELP;
1098                 }
1099         }
1100         if (optind == argc)
1101                 return CMD_HELP;
1102         rc = llapi_quotachown(argv[optind], flag);
1103         if(rc)
1104                 fprintf(stderr,"error: change file owner/group failed.\n");
1105         return rc;
1106 }
1107
1108
1109 static int lfs_quotacheck(int argc, char **argv)
1110 {
1111         int c, check_type = 0;
1112         char *mnt;
1113         struct if_quotacheck qchk;
1114         struct if_quotactl qctl;
1115         char *obd_type = qchk.obd_type;
1116         char *obd_uuid = qchk.obd_uuid.uuid;
1117         int rc;
1118
1119         memset(&qchk, 0, sizeof(qchk));
1120
1121         optind = 0;
1122         while ((c = getopt(argc, argv, "ug")) != -1) {
1123                 switch (c) {
1124                 case 'u':
1125                         check_type |= 0x01;
1126                         break;
1127                 case 'g':
1128                         check_type |= 0x02;
1129                         break;
1130                 default:
1131                         fprintf(stderr, "error: %s: option '-%c' "
1132                                         "unrecognized\n", argv[0], c);
1133                         return CMD_HELP;
1134                 }
1135         }
1136
1137         if (check_type)
1138                 check_type--;
1139         else    /* do quotacheck for both user & group quota by default */
1140                 check_type = 0x02;
1141
1142         if (argc == optind)
1143                 return CMD_HELP;
1144
1145         mnt = argv[optind];
1146
1147         memset(&qctl, 0, sizeof(qctl));
1148         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1149         qctl.qc_id = QFMT_LDISKFS;
1150         qctl.qc_type = check_type;
1151         rc = llapi_quotactl(mnt, &qctl);
1152         if (rc) {
1153                 fprintf(stderr, "quota off failed: %s\n", strerror(errno));
1154                 return rc;
1155         }
1156
1157         rc = llapi_quotacheck(mnt, check_type);
1158         if (rc) {
1159                 fprintf(stderr, "quotacheck failed: %s\n", strerror(errno));
1160                 return rc;
1161         }
1162
1163         rc = llapi_poll_quotacheck(mnt, &qchk);
1164         if (rc) {
1165                 if (*obd_type)
1166                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1167                 fprintf(stderr, "quota check failed: %s\n", strerror(errno));
1168                 return rc;
1169         }
1170
1171         memset(&qctl, 0, sizeof(qctl));
1172         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1173         qctl.qc_id = QFMT_LDISKFS;
1174         qctl.qc_type = check_type;
1175         rc = llapi_quotactl(mnt, &qctl);
1176         if (rc) {
1177                 if (*obd_type)
1178                         fprintf(stderr, "%s %s ",
1179                                 qctl.obd_type, qctl.obd_uuid.uuid);
1180                 fprintf(stderr, "%s turn on quota failed: %s\n",
1181                         argv[0], strerror(errno));
1182                 return rc;
1183         }
1184
1185         return 0;
1186 }
1187
1188 static int lfs_quotaon(int argc, char **argv)
1189 {
1190         int c;
1191         char *mnt;
1192         struct if_quotactl qctl;
1193         char *obd_type = qctl.obd_type;
1194         char *obd_uuid = qctl.obd_uuid.uuid;
1195         int rc;
1196
1197         memset(&qctl, 0, sizeof(qctl));
1198         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1199         qctl.qc_id = QFMT_LDISKFS;
1200
1201         optind = 0;
1202         while ((c = getopt(argc, argv, "ugf")) != -1) {
1203                 switch (c) {
1204                 case 'u':
1205                         qctl.qc_type |= 0x01;
1206                         break;
1207                 case 'g':
1208                         qctl.qc_type |= 0x02;
1209                         break;
1210                 case 'f':
1211                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1212                         break;
1213                 default:
1214                         fprintf(stderr, "error: %s: option '-%c' "
1215                                         "unrecognized\n", argv[0], c);
1216                         return CMD_HELP;
1217                 }
1218         }
1219
1220         if (qctl.qc_type)
1221                 qctl.qc_type--;
1222         else /* by default, enable quota for both user & group */
1223                 qctl.qc_type = 0x02;
1224
1225         if (argc == optind)
1226                 return CMD_HELP;
1227
1228         mnt = argv[optind];
1229
1230         rc = llapi_quotactl(mnt, &qctl);
1231         if (rc) {
1232                 if (*obd_type)
1233                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1234                 fprintf(stderr, "%s failed: %s\n", argv[0], strerror(errno));
1235                 return rc;
1236         }
1237
1238         return 0;
1239 }
1240
1241 static int lfs_quotaoff(int argc, char **argv)
1242 {
1243         int c;
1244         char *mnt;
1245         struct if_quotactl qctl;
1246         char *obd_type = qctl.obd_type;
1247         char *obd_uuid = qctl.obd_uuid.uuid;
1248         int rc;
1249
1250         memset(&qctl, 0, sizeof(qctl));
1251         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1252
1253         optind = 0;
1254         while ((c = getopt(argc, argv, "ug")) != -1) {
1255                 switch (c) {
1256                 case 'u':
1257                         qctl.qc_type |= 0x01;
1258                         break;
1259                 case 'g':
1260                         qctl.qc_type |= 0x02;
1261                         break;
1262                 default:
1263                         fprintf(stderr, "error: %s: option '-%c' "
1264                                         "unrecognized\n", argv[0], c);
1265                         return CMD_HELP;
1266                 }
1267         }
1268
1269         if (qctl.qc_type)
1270                 qctl.qc_type--;
1271         else /* by default, disable quota for both user & group */
1272                 qctl.qc_type = 0x02;
1273
1274         if (argc == optind)
1275                 return CMD_HELP;
1276
1277         mnt = argv[optind];
1278
1279         rc = llapi_quotactl(mnt, &qctl);
1280         if (rc) {
1281                 if (*obd_type)
1282                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1283                 fprintf(stderr, "quotaoff failed: %s\n", strerror(errno));
1284                 return rc;
1285         }
1286
1287         return 0;
1288 }
1289
1290 static int name2id(unsigned int *id, char *name, int type)
1291 {
1292         if (type == USRQUOTA) {
1293                 struct passwd *entry;
1294
1295                 if (!(entry = getpwnam(name))) {
1296                         if (!errno)
1297                                 errno = ENOENT;
1298                         return -1;
1299                 }
1300
1301                 *id = entry->pw_uid;
1302         } else {
1303                 struct group *entry;
1304
1305                 if (!(entry = getgrnam(name))) {
1306                         if (!errno)
1307                                 errno = ENOENT;
1308                         return -1;
1309                 }
1310
1311                 *id = entry->gr_gid;
1312         }
1313
1314         return 0;
1315 }
1316
1317 static int id2name(char **name, unsigned int id, int type)
1318 {
1319         if (type == USRQUOTA) {
1320                 struct passwd *entry;
1321
1322                 if (!(entry = getpwuid(id))) {
1323                         if (!errno)
1324                                 errno = ENOENT;
1325                         return -1;
1326                 }
1327
1328                 *name = entry->pw_name;
1329         } else {
1330                 struct group *entry;
1331
1332                 if (!(entry = getgrgid(id))) {
1333                         if (!errno)
1334                                 errno = ENOENT;
1335                         return -1;
1336                 }
1337
1338                 *name = entry->gr_name;
1339         }
1340
1341         return 0;
1342 }
1343
1344 #define ARG2INT(nr, str, msg)                                           \
1345 do {                                                                    \
1346         char *endp;                                                     \
1347         nr = strtol(str, &endp, 0);                                     \
1348         if (*endp) {                                                    \
1349                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
1350                 return CMD_HELP;                                        \
1351         }                                                               \
1352 } while (0)
1353
1354 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
1355
1356 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
1357  * returns the value or ULONG_MAX on integer overflow or incorrect format
1358  * Notes:
1359  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
1360  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
1361  *        3. empty integer value is interpreted as 0
1362  */
1363
1364 static unsigned long str2sec(const char* timestr) {
1365         const char spec[] = "smhdw";
1366         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
1367         unsigned long val = 0;
1368         char *tail;
1369
1370         if (strpbrk(timestr, spec) == NULL) {
1371                 /* no specifiers inside the time string,
1372                    should treat it as an integer value */
1373                 val = strtoul(timestr, &tail, 10);
1374                 return *tail ? ULONG_MAX : val;
1375         }
1376
1377         /* format string is XXwXXdXXhXXmXXs */
1378         while (*timestr) {
1379                 unsigned long v;
1380                 int ind;
1381                 char* ptr;
1382
1383                 v = strtoul(timestr, &tail, 10);
1384                 if (v == ULONG_MAX || *tail == '\0')
1385                         /* value too large (ULONG_MAX or more)
1386                            or missing specifier */
1387                         goto error;
1388
1389                 ptr = strchr(spec, *tail);
1390                 if (ptr == NULL)
1391                         /* unknown specifier */
1392                         goto error;
1393
1394                 ind = ptr - spec;
1395
1396                 /* check if product will overflow the type */
1397                 if (!(v < ULONG_MAX / mult[ind]))
1398                         goto error;
1399
1400                 ADD_OVERFLOW(val, mult[ind] * v);
1401                 if (val == ULONG_MAX)
1402                         goto error;
1403
1404                 timestr = tail + 1;
1405         }
1406
1407         return val;
1408
1409 error:
1410         return ULONG_MAX;
1411 }
1412
1413 int lfs_setquota(int argc, char **argv)
1414 {
1415         int c;
1416         char *mnt;
1417         struct if_quotactl qctl;
1418         char *obd_type = qctl.obd_type;
1419         char *obd_uuid = qctl.obd_uuid.uuid;
1420         int rc;
1421
1422         memset(&qctl, 0, sizeof(qctl));
1423         qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
1424
1425         optind = 0;
1426         while ((c = getopt(argc, argv, "ugt")) != -1) {
1427                 switch (c) {
1428                 case 'u':
1429                         qctl.qc_type |= 0x01;
1430                         break;
1431                 case 'g':
1432                         qctl.qc_type |= 0x02;
1433                         break;
1434                 case 't':
1435                         qctl.qc_cmd = LUSTRE_Q_SETINFO;
1436                         break;
1437                 default:
1438                         fprintf(stderr, "error: %s: option '-%c' "
1439                                         "unrecognized\n", argv[0], c);
1440                         return CMD_HELP;
1441                 }
1442         }
1443
1444         if (qctl.qc_type)
1445                 qctl.qc_type--;
1446
1447         if (qctl.qc_type == UGQUOTA) {
1448                 fprintf(stderr, "error: user and group quotas can't be set "
1449                                 "both\n");
1450                 return CMD_HELP;
1451         }
1452
1453         if (qctl.qc_cmd == LUSTRE_Q_SETQUOTA) {
1454                 struct obd_dqblk *dqb = &qctl.qc_dqblk;
1455
1456                 if (optind + 6 != argc)
1457                         return CMD_HELP;
1458
1459                 rc = name2id(&qctl.qc_id, argv[optind++], qctl.qc_type);
1460                 if (rc) {
1461                         fprintf(stderr, "error: find id for name %s failed: %s\n",
1462                                 argv[optind - 1], strerror(errno));
1463                         return CMD_HELP;
1464                 }
1465
1466                 ARG2INT(dqb->dqb_bsoftlimit, argv[optind++], "block-softlimit");
1467                 ARG2INT(dqb->dqb_bhardlimit, argv[optind++], "block-hardlimit");
1468                 ARG2INT(dqb->dqb_isoftlimit, argv[optind++], "inode-softlimit");
1469                 ARG2INT(dqb->dqb_ihardlimit, argv[optind++], "inode-hardlimit");
1470
1471                 dqb->dqb_valid = QIF_LIMITS;
1472         } else {
1473                 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
1474
1475                 if (optind + 3 != argc)
1476                         return CMD_HELP;
1477
1478                 if ((dqi->dqi_bgrace = str2sec(argv[optind++])) == ULONG_MAX) {
1479                         fprintf(stderr, "error: bad %s: %s\n", "block-grace", argv[optind - 1]);
1480                         return CMD_HELP;
1481                 }
1482                 if ((dqi->dqi_igrace = str2sec(argv[optind++])) == ULONG_MAX) {
1483                         fprintf(stderr, "error: bad %s: %s\n", "inode-grace", argv[optind - 1]);
1484                         return CMD_HELP;
1485                 }
1486         }
1487
1488         mnt = argv[optind];
1489
1490         rc = llapi_quotactl(mnt, &qctl);
1491         if (rc) {
1492                 if (*obd_type)
1493                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1494                 fprintf(stderr, "setquota failed: %s\n", strerror(errno));
1495                 return rc;
1496         }
1497
1498         return 0;
1499 }
1500
1501 static inline char *type2name(int check_type)
1502 {
1503         if (check_type == USRQUOTA)
1504                 return "user";
1505         else if (check_type == GRPQUOTA)
1506                 return "group";
1507         else
1508                 return "unknown";
1509 }
1510
1511
1512 /* Converts seconds value into format string
1513  * result is returned in buf
1514  * Notes:
1515  *        1. result is in descenting order: 1w2d3h4m5s
1516  *        2. zero fields are not filled (except for p. 3): 5d1s
1517  *        3. zero seconds value is presented as "0s"
1518  */
1519 static void sec2str(time_t seconds, char *buf)
1520 {
1521         const char spec[] = "smhdw";
1522         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
1523         unsigned long c;
1524         char* tail = buf;
1525         int i;
1526
1527         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
1528                 c = seconds / mult[i];
1529
1530                 if (c > 0 || (i == 0 && buf == tail))
1531                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
1532
1533                 seconds %= mult[i];
1534         }
1535 }
1536
1537
1538 static void diff2str(time_t seconds, char *buf, time_t now)
1539 {
1540
1541         buf[0] = 0;
1542         if (!seconds)
1543                 return;
1544         if (seconds <= now) {
1545                 strcpy(buf, "none");
1546                 return;
1547         }
1548         sec2str(seconds - now, buf);
1549 }
1550
1551 static void print_quota_title(char *name, struct if_quotactl *qctl)
1552 {
1553         printf("Disk quotas for %s %s (%cid %u):\n",
1554                type2name(qctl->qc_type), name,
1555                *type2name(qctl->qc_type), qctl->qc_id);
1556         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
1557                "Filesystem",
1558                "kbytes", "quota", "limit", "grace",
1559                "files", "quota", "limit", "grace");
1560 }
1561
1562 static void print_quota(char *mnt, struct if_quotactl *qctl, int ost_only)
1563 {
1564         time_t now;
1565
1566         time(&now);
1567
1568         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
1569                 int bover = 0, iover = 0;
1570                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
1571
1572                 if (dqb->dqb_bhardlimit &&
1573                     toqb(dqb->dqb_curspace) > dqb->dqb_bhardlimit) {
1574                         bover = 1;
1575                 } else if (dqb->dqb_bsoftlimit &&
1576                            toqb(dqb->dqb_curspace) > dqb->dqb_bsoftlimit) {
1577                         if (dqb->dqb_btime > now) {
1578                                 bover = 2;
1579                         } else {
1580                                 bover = 3;
1581                         }
1582                 }
1583
1584                 if (dqb->dqb_ihardlimit &&
1585                     dqb->dqb_curinodes > dqb->dqb_ihardlimit) {
1586                         iover = 1;
1587                 } else if (dqb->dqb_isoftlimit &&
1588                            dqb->dqb_curinodes > dqb->dqb_isoftlimit) {
1589                         if (dqb->dqb_btime > now) {
1590                                 iover = 2;
1591                         } else {
1592                                 iover = 3;
1593                         }
1594                 }
1595
1596 #if 0           /* XXX: always print quotas even when no usages */
1597                 if (dqb->dqb_curspace || dqb->dqb_curinodes)
1598 #endif
1599                 {
1600                         char numbuf[3][32];
1601                         char timebuf[40];
1602
1603                         if (strlen(mnt) > 15)
1604                                 printf("%s\n%15s", mnt, "");
1605                         else
1606                                 printf("%15s", mnt);
1607
1608                         if (bover)
1609                                 diff2str(dqb->dqb_btime, timebuf, now);
1610
1611                         sprintf(numbuf[0], LPU64, toqb(dqb->dqb_curspace));
1612                         sprintf(numbuf[1], LPU64, dqb->dqb_bsoftlimit);
1613                         sprintf(numbuf[2], LPU64, dqb->dqb_bhardlimit);
1614                         printf(" %7s%c %6s %7s %7s",
1615                                numbuf[0], bover ? '*' : ' ', numbuf[1],
1616                                numbuf[2], bover > 1 ? timebuf : "");
1617
1618                         if (iover)
1619                                 diff2str(dqb->dqb_itime, timebuf, now);
1620
1621                         sprintf(numbuf[0], LPU64, dqb->dqb_curinodes);
1622                         sprintf(numbuf[1], LPU64, dqb->dqb_isoftlimit);
1623                         sprintf(numbuf[2], LPU64, dqb->dqb_ihardlimit);
1624                         if (!ost_only)
1625                                 printf(" %7s%c %6s %7s %7s",
1626                                        numbuf[0], iover ? '*' : ' ', numbuf[1],
1627                                        numbuf[2], iover > 1 ? timebuf : "");
1628                         printf("\n");
1629                 }
1630         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
1631                    qctl->qc_cmd == Q_GETOINFO) {
1632                 char bgtimebuf[40];
1633                 char igtimebuf[40];
1634
1635                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf);
1636                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf);
1637                 printf("Block grace time: %s; Inode grace time: %s\n",
1638                        bgtimebuf, igtimebuf);
1639         }
1640 }
1641
1642 static void print_mds_quota(char *mnt, struct if_quotactl *qctl)
1643 {
1644         int rc;
1645
1646         /* XXX: this is a flag to mark that only mds quota is wanted */
1647         qctl->qc_dqblk.dqb_valid = 1;
1648         rc = llapi_quotactl(mnt, qctl);
1649         if (rc) {
1650                 fprintf(stderr, "quotactl failed: %s\n", strerror(errno));
1651                 return;
1652         }
1653         qctl->qc_dqblk.dqb_valid = 0;
1654
1655         print_quota(qctl->obd_uuid.uuid, qctl, 0);
1656 }
1657
1658 static void print_lov_quota(char *mnt, struct if_quotactl *qctl)
1659 {
1660         DIR *dir;
1661         struct obd_uuid *uuids = NULL, *uuidp;
1662         int obdcount = 1024;
1663         int i, rc;
1664
1665         dir = opendir(mnt);
1666         if (!dir) {
1667                 fprintf(stderr, "open %s failed: %s\n", mnt, strerror(errno));
1668                 return;
1669         }
1670
1671         uuids = (struct obd_uuid *)malloc(INIT_ALLOC_NUM_OSTS *
1672                                           sizeof(struct obd_uuid));
1673         if (uuids == NULL)
1674                 goto out;
1675
1676 retry_get_uuids:
1677         rc = llapi_lov_get_uuids(dirfd(dir), uuids, &obdcount);
1678         if (rc != 0) {
1679                 struct obd_uuid *uuids_temp;
1680
1681                 if (rc == -EOVERFLOW) {
1682                         uuids_temp = realloc(uuids, obdcount *
1683                                              sizeof(struct obd_uuid));
1684                         if (uuids_temp != NULL)
1685                                 goto retry_get_uuids;
1686                         else
1687                                 rc = -ENOMEM;
1688                 }
1689
1690                 fprintf(stderr, "get ost uuid failed: %s\n", strerror(rc));
1691                 goto out;
1692         }
1693
1694         for (i = 0, uuidp = uuids; i < obdcount; i++, uuidp++) {
1695                 memcpy(&qctl->obd_uuid, uuidp, sizeof(*uuidp));
1696
1697                 /* XXX clear this flag to get quota from osts */
1698                 qctl->qc_dqblk.dqb_valid = 0;
1699                 rc = llapi_quotactl(mnt, qctl);
1700                 if (rc) {
1701                         fprintf(stderr, "%s quotactl failed: %s\n",
1702                                 uuidp->uuid, strerror(errno));
1703                         continue;
1704                 }
1705
1706                 print_quota(uuidp->uuid, qctl, 1);
1707         }
1708
1709 out:
1710         closedir(dir);
1711         return;
1712 }
1713
1714 static int lfs_quota(int argc, char **argv)
1715 {
1716         int c;
1717         char *name = NULL, *mnt;
1718         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
1719                                     .qc_type = 0x01 };
1720         char *obd_type = qctl.obd_type;
1721         char *obd_uuid = qctl.obd_uuid.uuid;
1722         int rc;
1723
1724         optind = 0;
1725         while ((c = getopt(argc, argv, "ugto:")) != -1) {
1726                 switch (c) {
1727                 case 'u':
1728                         qctl.qc_type = 0x01;
1729                         break;
1730                 case 'g':
1731                         qctl.qc_type = 0x02;
1732                         break;
1733                 case 't':
1734                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
1735                         break;
1736                 case 'o':
1737                         strncpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
1738                         break;
1739                 default:
1740                         fprintf(stderr, "error: %s: option '-%c' "
1741                                         "unrecognized\n", argv[0], c);
1742                         return CMD_HELP;
1743                 }
1744         }
1745
1746         if (qctl.qc_type)
1747                 qctl.qc_type--;
1748
1749
1750         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
1751                 if (optind + 2 != argc) {
1752                         fprintf(stderr, "error: missing quota argument(s)\n");
1753                         return CMD_HELP;
1754                 }
1755
1756                 name = argv[optind++];
1757                 rc = name2id(&qctl.qc_id, name, qctl.qc_type);
1758                 if (rc) {
1759                         fprintf(stderr,"error: can't find id for name %s: %s\n",
1760                                 name, strerror(errno));
1761                         return CMD_HELP;
1762                 }
1763                 print_quota_title(name, &qctl);
1764         } else if (optind + 1 != argc) {
1765                 fprintf(stderr, "error: missing quota info argument(s)\n");
1766                 return CMD_HELP;
1767         }
1768
1769         mnt = argv[optind];
1770
1771         rc = llapi_quotactl(mnt, &qctl);
1772         if (rc) {
1773                 if (*obd_type)
1774                         fprintf(stderr, "%s %s ", obd_type, obd_uuid);
1775                 fprintf(stderr, "quota failed: %s\n", strerror(errno));
1776                 return rc;
1777         }
1778
1779         if (!name)
1780                 rc = id2name(&name, getuid(), qctl.qc_type);
1781
1782         if (*obd_uuid) {
1783                 mnt = "";
1784                 name = obd_uuid;
1785         }
1786
1787         print_quota(mnt, &qctl, 0);
1788
1789         if (!*obd_uuid && qctl.qc_cmd != LUSTRE_Q_GETINFO) {
1790                 print_mds_quota(mnt, &qctl);
1791                 print_lov_quota(mnt, &qctl);
1792         }
1793
1794         return 0;
1795 }
1796 #endif /* HAVE_QUOTA_SUPPORT */
1797
1798 static int flushctx_ioctl(char *mp)
1799 {
1800         int fd, rc;
1801
1802         fd = open(mp, O_RDONLY);
1803         if (fd == -1) {
1804                 fprintf(stderr, "flushctx: error open %s: %s\n",
1805                         mp, strerror(errno));
1806                 return -1;
1807         }
1808
1809         rc = ioctl(fd, LL_IOC_FLUSHCTX);
1810         if (rc == -1)
1811                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
1812                         mp, strerror(errno));
1813
1814         close(fd);
1815         return rc;
1816 }
1817
1818 static int lfs_flushctx(int argc, char **argv)
1819 {
1820         int     kdestroy = 0, c;
1821         FILE   *proc;
1822         char    procline[PATH_MAX], *line;
1823         int     rc = 0;
1824
1825         optind = 0;
1826         while ((c = getopt(argc, argv, "k")) != -1) {
1827                 switch (c) {
1828                 case 'k':
1829                         kdestroy = 1;
1830                         break;
1831                 default:
1832                         fprintf(stderr, "error: %s: option '-%c' "
1833                                         "unrecognized\n", argv[0], c);
1834                         return CMD_HELP;
1835                 }
1836         }
1837
1838         if (kdestroy)
1839                 system("kdestroy > /dev/null");
1840
1841         if (optind >= argc) {
1842                 /* flush for all mounted lustre fs. */
1843                 proc = fopen("/proc/mounts", "r");
1844                 if (!proc) {
1845                         fprintf(stderr, "error: %s: can't open /proc/mounts\n",
1846                                 argv[0]);
1847                         return -1;
1848                 }
1849
1850                 while ((line = fgets(procline, PATH_MAX, proc)) != NULL) {
1851                         char dev[PATH_MAX];
1852                         char mp[PATH_MAX];
1853                         char fs[PATH_MAX];
1854
1855                         if (sscanf(line, "%s %s %s", dev, mp, fs) != 3) {
1856                                 fprintf(stderr, "%s: unexpected format in "
1857                                                 "/proc/mounts\n",
1858                                         argv[0]);
1859                                 return -1;
1860                         }
1861
1862                         if (strcmp(fs, "lustre") != 0)
1863                                 continue;
1864                         /* we use '@' to determine it's a client. are there
1865                          * any other better way?
1866                          */
1867                         if (strchr(dev, '@') == NULL)
1868                                 continue;
1869
1870                         if (flushctx_ioctl(mp))
1871                                 rc = -1;
1872                 }
1873         } else {
1874                 /* flush fs as specified */
1875                 while (optind < argc) {
1876                         if (flushctx_ioctl(argv[optind++]))
1877                                 rc = -1;
1878                 }
1879         }
1880
1881         return rc;
1882 }
1883
1884 static int lfs_lsetfacl(int argc, char **argv)
1885 {
1886         argv[0]++;
1887         return(llapi_lsetfacl(argc, argv));
1888 }
1889
1890 static int lfs_lgetfacl(int argc, char **argv)
1891 {
1892         argv[0]++;
1893         return(llapi_lgetfacl(argc, argv));
1894 }
1895
1896 static int lfs_rsetfacl(int argc, char **argv)
1897 {
1898         argv[0]++;
1899         return(llapi_rsetfacl(argc, argv));
1900 }
1901
1902 static int lfs_rgetfacl(int argc, char **argv)
1903 {
1904         argv[0]++;
1905         return(llapi_rgetfacl(argc, argv));
1906 }
1907
1908 static int lfs_cp(int argc, char **argv)
1909 {
1910         return(llapi_cp(argc, argv));
1911 }
1912
1913 static int lfs_ls(int argc, char **argv)
1914 {
1915         return(llapi_ls(argc, argv));
1916 }
1917
1918 int main(int argc, char **argv)
1919 {
1920         int rc;
1921
1922         setlinebuf(stdout);
1923
1924         ptl_initialize(argc, argv);
1925         if (obd_initialize(argc, argv) < 0)
1926                 exit(2);
1927         if (dbg_initialize(argc, argv) < 0)
1928                 exit(3);
1929
1930         Parser_init("lfs > ", cmdlist);
1931
1932         if (argc > 1) {
1933                 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
1934         } else {
1935                 rc = Parser_commands();
1936         }
1937
1938         obd_finalize(argc, argv);
1939         return rc;
1940 }