lustre/utils/lfs.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2011, 2012, Whamcloud, Inc.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * lustre/utils/lfs.c
  37  *
  38  * Author: Peter J. Braam <braam@clusterfs.com>
  39  * Author: Phil Schwan <phil@clusterfs.com>
  40  * Author: Robert Read <rread@clusterfs.com>
  41  */
  42
  43 /* for O_DIRECTORY */
  44 #ifndef _GNU_SOURCE
  45 #define _GNU_SOURCE
  46 #endif
  47
  48 #include <stdlib.h>
  49 #include <stdio.h>
  50 #include <getopt.h>
  51 #include <string.h>
  52 #include <mntent.h>
  53 #include <errno.h>
  54 #include <pwd.h>
  55 #include <grp.h>
  56 #include <sys/types.h>
  57 #include <sys/stat.h>
  58 #include <fcntl.h>
  59 #include <dirent.h>
  60 #include <time.h>
  61 #include <ctype.h>
  62 #ifdef HAVE_SYS_QUOTA_H
  63 # include <sys/quota.h>
  64 #endif
  65
  66 /* For dirname() */
  67 #include <libgen.h>
  68
  69 #include <lnet/api-support.h>
  70 #include <lnet/lnetctl.h>
  71
  72 #include <liblustre.h>
  73 #include <lustre/lustre_idl.h>
  74 #include <lustre/liblustreapi.h>
  75 #include <lustre/lustre_user.h>
  76 #include <lustre_quota.h>
  77
  78 #include <libcfs/libcfsutil.h>
  79 #include "obdctl.h"
  80
  81 /* all functions */
  82 static int lfs_setstripe(int argc, char **argv);
  83 static int lfs_find(int argc, char **argv);
  84 static int lfs_getstripe(int argc, char **argv);
  85 static int lfs_osts(int argc, char **argv);
  86 static int lfs_mdts(int argc, char **argv);
  87 static int lfs_df(int argc, char **argv);
  88 static int lfs_getname(int argc, char **argv);
  89 static int lfs_check(int argc, char **argv);
  90 #ifdef HAVE_SYS_QUOTA_H
  91 static int lfs_quotacheck(int argc, char **argv);
  92 static int lfs_quotaon(int argc, char **argv);
  93 static int lfs_quotaoff(int argc, char **argv);
  94 static int lfs_setquota(int argc, char **argv);
  95 static int lfs_quota(int argc, char **argv);
  96 #endif
  97 static int lfs_flushctx(int argc, char **argv);
  98 static int lfs_join(int argc, char **argv);
  99 static int lfs_lsetfacl(int argc, char **argv);
 100 static int lfs_lgetfacl(int argc, char **argv);
 101 static int lfs_rsetfacl(int argc, char **argv);
 102 static int lfs_rgetfacl(int argc, char **argv);
 103 static int lfs_cp(int argc, char **argv);
 104 static int lfs_ls(int argc, char **argv);
 105 static int lfs_poollist(int argc, char **argv);
 106 static int lfs_changelog(int argc, char **argv);
 107 static int lfs_changelog_clear(int argc, char **argv);
 108 static int lfs_fid2path(int argc, char **argv);
 109 static int lfs_path2fid(int argc, char **argv);
 110 static int lfs_data_version(int argc, char **argv);
 111
 112 /* all avaialable commands */
 113 command_t cmdlist[] = {
 114         {"setstripe", lfs_setstripe, 0,
 115          "Create a new file with a specific striping pattern or\n"
 116          "set the default striping pattern on an existing directory or\n"
 117          "delete the default striping pattern from an existing directory\n"
 118          "usage: setstripe [--stripe-count|-c <stripe_count>]\n"
 119          "                 [--stripe-index|-i <start_ost_idx>]\n"
 120          "                 [--stripe-size|-S <stripe_size>]\n"
 121          "                 [--pool|-p <pool_name>] <directory|filename>\n"
 122          " or\n"
 123          "       setstripe -d <directory>   (to delete default striping)\n"
 124          "\tstripe_size:  Number of bytes on each OST (0 filesystem default)\n"
 125          "\t              Can be specified with k, m or g (in KB, MB and GB\n"
 126          "\t              respectively)\n"
 127          "\tstart_ost_idx: OST index of first stripe (-1 default)\n"
 128          "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"
 129          "\tpool_name:    Name of OST pool to use (default none)"},
 130         {"getstripe", lfs_getstripe, 0,
 131          "To list the striping info for a given file or files in a\n"
 132          "directory or recursively for all files in a directory tree.\n"
 133          "usage: getstripe [--ost|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
 134          "                 [--stripe-count|-c] [--stripe-index|-i]\n"
 135          "                 [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
 136          "                 [--mdt-index|-M] [--recursive|-r] [--raw|-R]\n"
 137          "                 <directory|filename> ..."},
 138         {"pool_list", lfs_poollist, 0,
 139          "List pools or pool OSTs\n"
 140          "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
 141         {"find", lfs_find, 0,
 142          "find files matching given attributes recursively in directory tree.\n"
 143          "usage: find <directory|filename> ...\n"
 144          "     [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
 145          "     [[!] --mtime|-M [+-]N] [[!] --mdt|-m <uuid|index,...>]\n"
 146          "     [--maxdepth|-D N] [[!] --name|-n <pattern>]\n"
 147          "     [[!] --ost|-O <uuid|index,...>] [--print|-p] [--print0|-P]\n"
 148          "     [[!] --size|-s [+-]N[bkMGTPE]]\n"
 149          "     [[!] --stripe-count|-c [+-]<stripes>]\n"
 150          "     [[!] --stripe-index|-i <index,...>]\n"
 151          "     [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
 152          "     [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
 153          "     [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
 154          "\t !: used before an option indicates 'NOT' requested attribute\n"
 155          "\t -: used before a value indicates 'AT MOST' requested value\n"
 156          "\t +: used before a value indicates 'AT LEAST' requested value\n"},
 157         {"check", lfs_check, 0,
 158          "Display the status of MDS or OSTs (as specified in the command)\n"
 159          "or all the servers (MDS and OSTs).\n"
 160          "usage: check <osts|mds|servers>"},
 161         {"join", lfs_join, 0,
 162          "join two lustre files into one.\n"
 163          "obsolete, HEAD does not support it anymore.\n"},
 164         {"osts", lfs_osts, 0, "list OSTs connected to client "
 165          "[for specified path only]\n" "usage: osts [path]"},
 166         {"mdts", lfs_mdts, 0, "list MDTs connected to client "
 167          "[for specified path only]\n" "usage: mdts [path]"},
 168         {"df", lfs_df, 0,
 169          "report filesystem disk space usage or inodes usage"
 170          "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
 171          "Usage: df [-i] [-h] [--pool|-p <fsname>[.<pool>] [path]"},
 172         {"getname", lfs_getname, 0, "list instances and specified mount points "
 173          "[for specified path only]\n"
 174          "Usage: getname [-h]|[path ...] "},
 175 #ifdef HAVE_SYS_QUOTA_H
 176         {"quotacheck", lfs_quotacheck, 0,
 177          "Scan the specified filesystem for disk usage, and create,\n"
 178          "or update quota files. Deprecated as of 2.4.0.\n"
 179          "usage: quotacheck [ -ug ] <filesystem>"},
 180         {"quotaon", lfs_quotaon, 0, "Turn filesystem"
 181          " quotas on. Deprecated as of 2.4.0.\n"
 182          "usage: quotaon [ -ugf ] <filesystem>"},
 183         {"quotaoff", lfs_quotaoff, 0, "Turn filesystem"
 184          " quotas off. Deprecated as of 2.4.0.\n"
 185          "usage: quotaoff [ -ug ] <filesystem>"},
 186         {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
 187          "usage: setquota <-u|-g> <uname>|<uid>|<gname>|<gid>\n"
 188          "                -b <block-softlimit> -B <block-hardlimit>\n"
 189          "                -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
 190          "       setquota <-u|--user|-g|--group> <uname>|<uid>|<gname>|<gid>\n"
 191          "                [--block-softlimit <block-softlimit>]\n"
 192          "                [--block-hardlimit <block-hardlimit>]\n"
 193          "                [--inode-softlimit <inode-softlimit>]\n"
 194          "                [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
 195          "       setquota [-t] <-u|--user|-g|--group>\n"
 196          "                [--block-grace <block-grace>]\n"
 197          "                [--inode-grace <inode-grace>] <filesystem>\n"
 198          "       -b can be used instead of --block-softlimit/--block-grace\n"
 199          "       -B can be used instead of --block-hardlimit\n"
 200          "       -i can be used instead of --inode-softlimit/--inode-grace\n"
 201          "       -I can be used instead of --inode-hardlimit"},
 202         {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
 203          "usage: quota [-q] [-v] [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>]\n"
 204          "             [<-u|-g> <uname>|<uid>|<gname>|<gid>] <filesystem>\n"
 205          "       quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g> <filesystem>"},
 206 #endif
 207         {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
 208          "usage: flushctx [-k] [mountpoint...]"},
 209         {"lsetfacl", lfs_lsetfacl, 0,
 210          "Remote user setfacl for user/group on the same remote client.\n"
 211          "usage: lsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 212         {"lgetfacl", lfs_lgetfacl, 0,
 213          "Remote user getfacl for user/group on the same remote client.\n"
 214          "usage: lgetfacl [-dRLPvh] file ..."},
 215         {"rsetfacl", lfs_rsetfacl, 0,
 216          "Remote user setfacl for user/group on other clients.\n"
 217          "usage: rsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 218         {"rgetfacl", lfs_rgetfacl, 0,
 219          "Remote user getfacl for user/group on other clients.\n"
 220          "usage: rgetfacl [-dRLPvh] file ..."},
 221         {"cp", lfs_cp, 0,
 222          "Remote user copy files and directories.\n"
 223          "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
 224         {"ls", lfs_ls, 0,
 225          "Remote user list directory contents.\n"
 226          "usage: ls [OPTION]... [FILE]..."},
 227         {"changelog", lfs_changelog, 0,
 228          "Show the metadata changes on an MDT."
 229          "\nusage: changelog <mdtname> [startrec [endrec]]"},
 230         {"changelog_clear", lfs_changelog_clear, 0,
 231          "Indicate that old changelog records up to <endrec> are no longer of "
 232          "interest to consumer <id>, allowing the system to free up space.\n"
 233          "An <endrec> of 0 means all records.\n"
 234          "usage: changelog_clear <mdtname> <id> <endrec>"},
 235         {"fid2path", lfs_fid2path, 0,
 236          "Resolve the full path to a given FID. For a specific hardlink "
 237          "specify link number <linkno>.\n"
 238          /* "For a historical name, specify changelog record <recno>.\n" */
 239          "usage: fid2path <fsname|rootpath> <fid> [--link <linkno>]"
 240                 /*[--rec <recno>]*/},
 241         {"path2fid", lfs_path2fid, 0, "Display the fid for a given path.\n"
 242          "usage: path2fid <path>"},
 243         {"data_version", lfs_data_version, 0, "Display file data version for "
 244          "a given path.\n" "usage: data_version [-n] <path>"},
 245         {"help", Parser_help, 0, "help"},
 246         {"exit", Parser_quit, 0, "quit"},
 247         {"quit", Parser_quit, 0, "quit"},
 248         { 0, 0, 0, NULL }
 249 };
 250
 251 static int isnumber(const char *str)
 252 {
 253         const char *ptr;
 254
 255         if (str[0] != '-' && !isdigit(str[0]))
 256                 return 0;
 257
 258         for (ptr = str + 1; *ptr != '\0'; ptr++) {
 259                 if (!isdigit(*ptr))
 260                         return 0;
 261         }
 262
 263         return 1;
 264 }
 265
 266 /* functions */
 267 static int lfs_setstripe(int argc, char **argv)
 268 {
 269         char *fname;
 270         int result;
 271         unsigned long long st_size;
 272         int  st_offset, st_count;
 273         char *end;
 274         int c;
 275         int delete = 0;
 276         char *stripe_size_arg = NULL;
 277         char *stripe_off_arg = NULL;
 278         char *stripe_count_arg = NULL;
 279         char *pool_name_arg = NULL;
 280         unsigned long long size_units = 1;
 281
 282         struct option long_opts[] = {
 283 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 284 #warning "remove deprecated --count option"
 285 #else
 286                 /* This formerly implied "stripe-count", but was explicitly
 287                  * made "stripe-count" for consistency with other options,
 288                  * and to separate it from "mdt-count" when DNE arrives. */
 289                 {"count",        required_argument, 0, 'c'},
 290 #endif
 291                 {"stripe-count", required_argument, 0, 'c'},
 292                 {"stripe_count", required_argument, 0, 'c'},
 293                 {"delete",       no_argument,       0, 'd'},
 294 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 295 #warning "remove deprecated --index option"
 296 #else
 297                 /* This formerly implied "stripe-index", but was explicitly
 298                  * made "stripe-index" for consistency with other options,
 299                  * and to separate it from "mdt-index" when DNE arrives. */
 300                 {"index",        required_argument, 0, 'i'},
 301 #endif
 302                 {"stripe-index", required_argument, 0, 'i'},
 303                 {"stripe_index", required_argument, 0, 'i'},
 304 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 305 #warning "remove deprecated --offset option"
 306 #else
 307                 /* This formerly implied "stripe-index", but was confusing
 308                  * with "file offset" (which will eventually be needed for
 309                  * with different layouts by offset), so deprecate it. */
 310                 {"offset",       required_argument, 0, 'o'},
 311 #endif
 312                 {"pool",         required_argument, 0, 'p'},
 313 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 314 #warning "remove deprecated --size option"
 315 #else
 316                 /* This formerly implied "--stripe-size", but was confusing
 317                  * with "lfs find --size|-s", which means "file size", so use
 318                  * the consistent "--stripe-size|-S" for all commands. */
 319                 {"size",         required_argument, 0, 's'},
 320 #endif
 321                 {"stripe-size",  required_argument, 0, 'S'},
 322                 {"stripe_size",  required_argument, 0, 'S'},
 323                 {0, 0, 0, 0}
 324         };
 325
 326         st_size = 0;
 327         st_offset = -1;
 328         st_count = 0;
 329
 330 #if LUSTRE_VERSION < OBD_OCD_VERSION(2,4,50,0)
 331         if (argc == 5 && argv[1][0] != '-' &&
 332             isnumber(argv[2]) && isnumber(argv[3]) && isnumber(argv[4])) {
 333                 fprintf(stderr, "error: obsolete usage of setstripe "
 334                         "positional parameters.  Use -c, -i, -S instead.\n");
 335                 return CMD_HELP;
 336         } else
 337 #else
 338 #warning "remove obsolete positional parameter error"
 339 #endif
 340         {
 341                 optind = 0;
 342                 while ((c = getopt_long(argc, argv, "c:di:o:p:s:S:",
 343                                         long_opts, NULL)) >= 0) {
 344                 switch (c) {
 345                 case 0:
 346                         /* Long options. */
 347                         break;
 348                 case 'c':
 349 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 350 #warning "remove deprecated --count option"
 351 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 352                         if (strcmp(argv[optind - 1], "--count") == 0)
 353                                 fprintf(stderr, "warning: '--count' deprecated"
 354                                         ", use '--stripe-count' instead\n");
 355 #endif
 356                         stripe_count_arg = optarg;
 357                         break;
 358                 case 'd':
 359                         /* delete the default striping pattern */
 360                         delete = 1;
 361                         break;
 362                 case 'o':
 363 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,4,50,0)
 364                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
 365                                 "use '--stripe-index|-i' instead\n");
 366 #else
 367                         if (strcmp(argv[optind - 1], "--offset") == 0)
 368                                 /* need --stripe-index established first */
 369                                 fprintf(stderr, "warning: '--offset' deprecated"
 370                                         ", use '--index' instead\n");
 371 #endif
 372                 case 'i':
 373 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 374 #warning "remove deprecated --offset and --index options"
 375 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 376                         if (strcmp(argv[optind - 1], "--index") == 0)
 377                                 fprintf(stderr, "warning: '--index' deprecated"
 378                                         ", use '--stripe-index' instead\n");
 379 #endif
 380                         stripe_off_arg = optarg;
 381                         break;
 382                 case 's':
 383 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 384 #warning "remove deprecated --size option"
 385 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 386                         fprintf(stderr, "warning: '--size|-s' deprecated, "
 387                                 "use '--stripe-size|-S' instead\n");
 388 #endif
 389                 case 'S':
 390                         stripe_size_arg = optarg;
 391                         break;
 392                 case 'p':
 393                         pool_name_arg = optarg;
 394                         break;
 395                 default:
 396                         return CMD_HELP;
 397                 }
 398                 }
 399
 400                 fname = argv[optind];
 401
 402                 if (delete &&
 403                     (stripe_size_arg != NULL || stripe_off_arg != NULL ||
 404                      stripe_count_arg != NULL || pool_name_arg != NULL)) {
 405                         fprintf(stderr, "error: %s: cannot specify -d with "
 406                                         "-s, -c, -o, or -p options\n",
 407                                         argv[0]);
 408                         return CMD_HELP;
 409                 }
 410         }
 411
 412         if (optind == argc) {
 413                 fprintf(stderr, "error: %s: missing filename|dirname\n",
 414                         argv[0]);
 415                 return CMD_HELP;
 416         }
 417
 418         /* get the stripe size */
 419         if (stripe_size_arg != NULL) {
 420                 result = parse_size(stripe_size_arg, &st_size, &size_units, 0);
 421                 if (result) {
 422                         fprintf(stderr, "error: %s: bad stripe size '%s'\n",
 423                                 argv[0], stripe_size_arg);
 424                         return result;
 425                 }
 426         }
 427         /* get the stripe offset */
 428         if (stripe_off_arg != NULL) {
 429                 st_offset = strtol(stripe_off_arg, &end, 0);
 430                 if (*end != '\0') {
 431                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
 432                                 argv[0], stripe_off_arg);
 433                         return CMD_HELP;
 434                 }
 435         }
 436         /* get the stripe count */
 437         if (stripe_count_arg != NULL) {
 438                 st_count = strtoul(stripe_count_arg, &end, 0);
 439                 if (*end != '\0') {
 440                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
 441                                 argv[0], stripe_count_arg);
 442                         return CMD_HELP;
 443                 }
 444         }
 445
 446         do {
 447                 result = llapi_file_create_pool(fname, st_size, st_offset,
 448                                                 st_count, 0, pool_name_arg);
 449                 if (result) {
 450                         fprintf(stderr,"error: %s: create stripe file '%s' "
 451                                 "failed\n", argv[0], fname);
 452                         break;
 453                 }
 454                 fname = argv[++optind];
 455         } while (fname != NULL);
 456
 457         return result;
 458 }
 459
 460 static int lfs_poollist(int argc, char **argv)
 461 {
 462         if (argc != 2)
 463                 return CMD_HELP;
 464
 465         return llapi_poollist(argv[1]);
 466 }
 467
 468 static int set_time(time_t *time, time_t *set, char *str)
 469 {
 470         time_t t;
 471         int res = 0;
 472
 473         if (str[0] == '+')
 474                 res = 1;
 475         else if (str[0] == '-')
 476                 res = -1;
 477
 478         if (res)
 479                 str++;
 480
 481         t = strtol(str, NULL, 0);
 482         if (*time < t * 24 * 60 * 60) {
 483                 if (res)
 484                         str--;
 485                 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
 486                 return INT_MAX;
 487         }
 488
 489         *set = *time - t * 24 * 60 * 60;
 490         return res;
 491 }
 492
 493 #define USER 0
 494 #define GROUP 1
 495
 496 static int name2id(unsigned int *id, char *name, int type)
 497 {
 498         if (type == USER) {
 499                 struct passwd *entry;
 500
 501                 if (!(entry = getpwnam(name))) {
 502                         if (!errno)
 503                                 errno = ENOENT;
 504                         return -1;
 505                 }
 506
 507                 *id = entry->pw_uid;
 508         } else {
 509                 struct group *entry;
 510
 511                 if (!(entry = getgrnam(name))) {
 512                         if (!errno)
 513                                 errno = ENOENT;
 514                         return -1;
 515                 }
 516
 517                 *id = entry->gr_gid;
 518         }
 519
 520         return 0;
 521 }
 522
 523 static int id2name(char **name, unsigned int id, int type)
 524 {
 525         if (type == USER) {
 526                 struct passwd *entry;
 527
 528                 if (!(entry = getpwuid(id))) {
 529                         if (!errno)
 530                                 errno = ENOENT;
 531                         return -1;
 532                 }
 533
 534                 *name = entry->pw_name;
 535         } else {
 536                 struct group *entry;
 537
 538                 if (!(entry = getgrgid(id))) {
 539                         if (!errno)
 540                                 errno = ENOENT;
 541                         return -1;
 542                 }
 543
 544                 *name = entry->gr_name;
 545         }
 546
 547         return 0;
 548 }
 549
 550 #define FIND_POOL_OPT 3
 551 static int lfs_find(int argc, char **argv)
 552 {
 553         int c, ret;
 554         time_t t;
 555         struct find_param param = { .maxdepth = -1, .quiet = 1 };
 556         struct option long_opts[] = {
 557                 {"atime",        required_argument, 0, 'A'},
 558                 {"stripe-count", required_argument, 0, 'c'},
 559                 {"stripe_count", required_argument, 0, 'c'},
 560                 {"ctime",        required_argument, 0, 'C'},
 561                 {"maxdepth",     required_argument, 0, 'D'},
 562                 {"gid",          required_argument, 0, 'g'},
 563                 {"group",        required_argument, 0, 'G'},
 564                 {"stripe-index", required_argument, 0, 'i'},
 565                 {"stripe_index", required_argument, 0, 'i'},
 566                 {"mdt",          required_argument, 0, 'm'},
 567                 {"mtime",        required_argument, 0, 'M'},
 568                 {"name",         required_argument, 0, 'n'},
 569      /* reserve {"or",           no_argument,     , 0, 'o'}, to match find(1) */
 570                 {"obd",          required_argument, 0, 'O'},
 571                 {"ost",          required_argument, 0, 'O'},
 572                 /* no short option for pool, p/P already used */
 573                 {"pool",         required_argument, 0, FIND_POOL_OPT},
 574                 {"print0",       no_argument,       0, 'p'},
 575                 {"print",        no_argument,       0, 'P'},
 576                 {"size",         required_argument, 0, 's'},
 577                 {"stripe-size",  required_argument, 0, 'S'},
 578                 {"stripe_size",  required_argument, 0, 'S'},
 579                 {"type",         required_argument, 0, 't'},
 580                 {"uid",          required_argument, 0, 'u'},
 581                 {"user",         required_argument, 0, 'U'},
 582                 {0, 0, 0, 0}
 583         };
 584         int pathstart = -1;
 585         int pathend = -1;
 586         int neg_opt = 0;
 587         time_t *xtime;
 588         int *xsign;
 589         int isoption;
 590         char *endptr;
 591
 592         time(&t);
 593
 594         optind = 0;
 595         /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
 596         while ((c = getopt_long_only(argc, argv,
 597                                      "-A:c:C:D:g:G:i:m:M:n:O:Ppqrs:S:t:u:U:v",
 598                                      long_opts, NULL)) >= 0) {
 599                 xtime = NULL;
 600                 xsign = NULL;
 601                 if (neg_opt)
 602                         --neg_opt;
 603                 /* '!' is part of option */
 604                 /* when getopt_long_only() finds a string which is not
 605                  * an option nor a known option argument it returns 1
 606                  * in that case if we already have found pathstart and pathend
 607                  * (i.e. we have the list of pathnames),
 608                  * the only supported value is "!"
 609                  */
 610                 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
 611                 if (!isoption && pathend != -1) {
 612                         fprintf(stderr, "err: %s: filename|dirname must either "
 613                                         "precede options or follow options\n",
 614                                         argv[0]);
 615                         ret = CMD_HELP;
 616                         goto err;
 617                 }
 618                 if (!isoption && pathstart == -1)
 619                         pathstart = optind - 1;
 620                 if (isoption && pathstart != -1 && pathend == -1)
 621                         pathend = optind - 2;
 622                 switch (c) {
 623                 case 0:
 624                         /* Long options. */
 625                         break;
 626                 case 1:
 627                         /* unknown; opt is "!" or path component,
 628                          * checking done above.
 629                          */
 630                         if (strcmp(optarg, "!") == 0)
 631                                 neg_opt = 2;
 632                         break;
 633                 case 'A':
 634                         xtime = &param.atime;
 635                         xsign = &param.asign;
 636                         param.exclude_atime = !!neg_opt;
 637                         /* no break, this falls through to 'C' for ctime */
 638                 case 'C':
 639                         if (c == 'C') {
 640                                 xtime = &param.ctime;
 641                                 xsign = &param.csign;
 642                                 param.exclude_ctime = !!neg_opt;
 643                         }
 644                         /* no break, this falls through to 'M' for mtime */
 645                 case 'M':
 646                         if (c == 'M') {
 647                                 xtime = &param.mtime;
 648                                 xsign = &param.msign;
 649                                 param.exclude_mtime = !!neg_opt;
 650                         }
 651                         ret = set_time(&t, xtime, optarg);
 652                         if (ret == INT_MAX) {
 653                                 ret = -1;
 654                                 goto err;
 655                         }
 656                         if (ret)
 657                                 *xsign = ret;
 658                         break;
 659                 case 'c':
 660                         if (optarg[0] == '+') {
 661                                 param.stripecount_sign = -1;
 662                                 optarg++;
 663                         } else if (optarg[0] == '-') {
 664                                 param.stripecount_sign =  1;
 665                                 optarg++;
 666                         }
 667
 668                         param.stripecount = strtoul(optarg, &endptr, 0);
 669                         if (*endptr != '\0') {
 670                                 fprintf(stderr,"error: bad stripe_count '%s'\n",
 671                                         optarg);
 672                                 ret = -1;
 673                                 goto err;
 674                         }
 675                         param.check_stripecount = 1;
 676                         param.exclude_stripecount = !!neg_opt;
 677                         break;
 678                 case 'D':
 679                         param.maxdepth = strtol(optarg, 0, 0);
 680                         break;
 681                 case 'g':
 682                 case 'G':
 683                         ret = name2id(&param.gid, optarg, GROUP);
 684                         if (ret) {
 685                                 param.gid = strtoul(optarg, &endptr, 10);
 686                                 if (*endptr != '\0') {
 687                                         fprintf(stderr, "Group/GID: %s cannot "
 688                                                 "be found.\n", optarg);
 689                                         ret = -1;
 690                                         goto err;
 691                                 }
 692                         }
 693                         param.exclude_gid = !!neg_opt;
 694                         param.check_gid = 1;
 695                         break;
 696                 case 'u':
 697                 case 'U':
 698                         ret = name2id(&param.uid, optarg, USER);
 699                         if (ret) {
 700                                 param.uid = strtoul(optarg, &endptr, 10);
 701                                 if (*endptr != '\0') {
 702                                         fprintf(stderr, "User/UID: %s cannot "
 703                                                 "be found.\n", optarg);
 704                                         ret = -1;
 705                                         goto err;
 706                                 }
 707                         }
 708                         param.exclude_uid = !!neg_opt;
 709                         param.check_uid = 1;
 710                         break;
 711                 case FIND_POOL_OPT:
 712                         if (strlen(optarg) > LOV_MAXPOOLNAME) {
 713                                 fprintf(stderr,
 714                                         "Pool name %s is too long"
 715                                         " (max is %d)\n", optarg,
 716                                         LOV_MAXPOOLNAME);
 717                                 ret = -1;
 718                                 goto err;
 719                         }
 720                         /* we do check for empty pool because empty pool
 721                          * is used to find V1 lov attributes */
 722                         strncpy(param.poolname, optarg, LOV_MAXPOOLNAME);
 723                         param.poolname[LOV_MAXPOOLNAME] = '\0';
 724                         param.exclude_pool = !!neg_opt;
 725                         param.check_pool = 1;
 726                         break;
 727                 case 'n':
 728                         param.pattern = (char *)optarg;
 729                         param.exclude_pattern = !!neg_opt;
 730                         break;
 731                 case 'm':
 732                 case 'i':
 733                 case 'O': {
 734                         char *buf, *token, *next, *p;
 735                         int len = 1;
 736                         void *tmp;
 737
 738                         buf = strdup(optarg);
 739                         if (buf == NULL) {
 740                                 ret = -ENOMEM;
 741                                 goto err;
 742                         }
 743
 744                         param.exclude_obd = !!neg_opt;
 745
 746                         token = buf;
 747                         while (token && *token) {
 748                                 token = strchr(token, ',');
 749                                 if (token) {
 750                                         len++;
 751                                         token++;
 752                                 }
 753                         }
 754                         if (c == 'm') {
 755                                 param.exclude_mdt = !!neg_opt;
 756                                 param.num_alloc_mdts += len;
 757                                 tmp = realloc(param.mdtuuid,
 758                                               param.num_alloc_mdts *
 759                                               sizeof(*param.mdtuuid));
 760                                 if (tmp == NULL)
 761                                         GOTO(err_free, ret = -ENOMEM);
 762                                 param.mdtuuid = tmp;
 763                         } else {
 764                                 param.exclude_obd = !!neg_opt;
 765                                 param.num_alloc_obds += len;
 766                                 tmp = realloc(param.obduuid,
 767                                               param.num_alloc_obds *
 768                                               sizeof(*param.obduuid));
 769                                 if (tmp == NULL)
 770                                         GOTO(err_free, ret = -ENOMEM);
 771                                 param.obduuid = tmp;
 772                         }
 773                         for (token = buf; token && *token; token = next) {
 774                                 char *uuid;
 775                                 if (c == 'm')
 776                                         uuid =
 777                                           param.mdtuuid[param.num_mdts++].uuid;
 778                                 else
 779                                         uuid =
 780                                           param.obduuid[param.num_obds++].uuid;
 781                                 p = strchr(token, ',');
 782                                 next = 0;
 783                                 if (p) {
 784                                         *p = 0;
 785                                         next = p+1;
 786                                 }
 787                                 strcpy((char *)uuid, token);
 788                         }
 789 err_free:
 790                         if (buf)
 791                                 free(buf);
 792                         break;
 793                 }
 794                 case 'p':
 795                         param.zeroend = 1;
 796                         break;
 797                 case 'P':
 798                         break;
 799                 case 's':
 800                         if (optarg[0] == '+') {
 801                                 param.size_sign = -1;
 802                                 optarg++;
 803                         } else if (optarg[0] == '-') {
 804                                 param.size_sign =  1;
 805                                 optarg++;
 806                         }
 807
 808                         ret = parse_size(optarg, &param.size,
 809                                          &param.size_units, 0);
 810                         if (ret) {
 811                                 fprintf(stderr, "error: bad file size '%s'\n",
 812                                         optarg);
 813                                 goto err;
 814                         }
 815                         param.check_size = 1;
 816                         param.exclude_size = !!neg_opt;
 817                         break;
 818                 case 'S':
 819                         if (optarg[0] == '+') {
 820                                 param.stripesize_sign = -1;
 821                                 optarg++;
 822                         } else if (optarg[0] == '-') {
 823                                 param.stripesize_sign =  1;
 824                                 optarg++;
 825                         }
 826
 827                         ret = parse_size(optarg, &param.stripesize,
 828                                          &param.stripesize_units, 0);
 829                         if (ret) {
 830                                 fprintf(stderr, "error: bad stripe_size '%s'\n",
 831                                         optarg);
 832                                 goto err;
 833                         }
 834                         param.check_stripesize = 1;
 835                         param.exclude_stripesize = !!neg_opt;
 836                         break;
 837                 case 't':
 838                         param.exclude_type = !!neg_opt;
 839                         switch(optarg[0]) {
 840                         case 'b': param.type = S_IFBLK; break;
 841                         case 'c': param.type = S_IFCHR; break;
 842                         case 'd': param.type = S_IFDIR; break;
 843                         case 'f': param.type = S_IFREG; break;
 844                         case 'l': param.type = S_IFLNK; break;
 845                         case 'p': param.type = S_IFIFO; break;
 846                         case 's': param.type = S_IFSOCK; break;
 847 #ifdef S_IFDOOR /* Solaris only */
 848                         case 'D': param.type = S_IFDOOR; break;
 849 #endif
 850                         default: fprintf(stderr, "error: %s: bad type '%s'\n",
 851                                          argv[0], optarg);
 852                                  ret = CMD_HELP;
 853                                  goto err;
 854                         };
 855                         break;
 856                 default:
 857                         ret = CMD_HELP;
 858                         goto err;
 859                 };
 860         }
 861
 862         if (pathstart == -1) {
 863                 fprintf(stderr, "error: %s: no filename|pathname\n",
 864                         argv[0]);
 865                 ret = CMD_HELP;
 866                 goto err;
 867         } else if (pathend == -1) {
 868                 /* no options */
 869                 pathend = argc;
 870         }
 871
 872         do {
 873                 ret = llapi_find(argv[pathstart], &param);
 874         } while (++pathstart < pathend && !ret);
 875
 876         if (ret)
 877                 fprintf(stderr, "error: %s failed for %s.\n",
 878                         argv[0], argv[optind - 1]);
 879 err:
 880         if (param.obduuid && param.num_alloc_obds)
 881                 free(param.obduuid);
 882
 883         if (param.mdtuuid && param.num_alloc_mdts)
 884                 free(param.mdtuuid);
 885
 886         return ret;
 887 }
 888
 889 static int lfs_getstripe(int argc, char **argv)
 890 {
 891         struct option long_opts[] = {
 892 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 893 #warning "remove deprecated --count option"
 894 #else
 895                 /* This formerly implied "stripe-count", but was explicitly
 896                  * made "stripe-count" for consistency with other options,
 897                  * and to separate it from "mdt-count" when DNE arrives. */
 898                 {"count",        no_argument,       0, 'c'},
 899 #endif
 900                 {"stripe-count", no_argument,       0, 'c'},
 901                 {"stripe_count", no_argument,       0, 'c'},
 902                 {"directory",    no_argument,       0, 'd'},
 903                 {"generation",   no_argument,       0, 'g'},
 904 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 905 #warning "remove deprecated --index option"
 906 #else
 907                 /* This formerly implied "stripe-index", but was explicitly
 908                  * made "stripe-index" for consistency with other options,
 909                  * and to separate it from "mdt-index" when DNE arrives. */
 910                 {"index",        no_argument,       0, 'i'},
 911 #endif
 912                 {"stripe-index", no_argument,       0, 'i'},
 913                 {"stripe_index", no_argument,       0, 'i'},
 914                 {"mdt-index",    no_argument,       0, 'M'},
 915                 {"mdt_index",    no_argument,       0, 'M'},
 916 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 917 #warning "remove deprecated --offset option"
 918 #else
 919                 /* This formerly implied "stripe-index", but was confusing
 920                  * with "file offset" (which will eventually be needed for
 921                  * with different layouts by offset), so deprecate it. */
 922                 {"offset",       no_argument,       0, 'o'},
 923 #endif
 924                 {"obd",          required_argument, 0, 'O'},
 925                 {"ost",          required_argument, 0, 'O'},
 926                 {"pool",         no_argument,       0, 'p'},
 927                 {"quiet",        no_argument,       0, 'q'},
 928                 {"recursive",    no_argument,       0, 'r'},
 929                 {"raw",          no_argument,       0, 'R'},
 930 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 931 #warning "remove deprecated --size option"
 932 #else
 933                 /* This formerly implied "--stripe-size", but was confusing
 934                  * with "lfs find --size|-s", which means "file size", so use
 935                  * the consistent "--stripe-size|-S" for all commands. */
 936                 {"size",         no_argument,       0, 's'},
 937 #endif
 938                 {"stripe-size",  no_argument,       0, 'S'},
 939                 {"stripe_size",  no_argument,       0, 'S'},
 940                 {"verbose",      no_argument,       0, 'v'},
 941                 {0, 0, 0, 0}
 942         };
 943         int c, rc;
 944         struct find_param param = { 0 };
 945
 946         param.maxdepth = 1;
 947         optind = 0;
 948         while ((c = getopt_long(argc, argv, "cdghiMoO:pqrRsSv",
 949                                 long_opts, NULL)) != -1) {
 950                 switch (c) {
 951                 case 'O':
 952                         if (param.obduuid) {
 953                                 fprintf(stderr,
 954                                         "error: %s: only one obduuid allowed",
 955                                         argv[0]);
 956                                 return CMD_HELP;
 957                         }
 958                         param.obduuid = (struct obd_uuid *)optarg;
 959                         break;
 960                 case 'q':
 961                         param.quiet++;
 962                         break;
 963                 case 'd':
 964                         param.maxdepth = 0;
 965                         break;
 966                 case 'r':
 967                         param.recursive = 1;
 968                         break;
 969                 case 'v':
 970                         param.verbose = VERBOSE_ALL | VERBOSE_DETAIL;
 971                         break;
 972                 case 'c':
 973 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 974 #warning "remove deprecated --count option"
 975 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 976                         if (strcmp(argv[optind - 1], "--count") == 0)
 977                                 fprintf(stderr, "warning: '--count' deprecated,"
 978                                         " use '--stripe-count' instead\n");
 979 #endif
 980                         if (!(param.verbose & VERBOSE_DETAIL)) {
 981                                 param.verbose |= VERBOSE_COUNT;
 982                                 param.maxdepth = 0;
 983                         }
 984                         break;
 985                 case 's':
 986 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 987 #warning "remove deprecated --size option"
 988 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 989                         fprintf(stderr, "warning: '--size|-s' deprecated, "
 990                                 "use '--stripe-size|-S' instead\n");
 991 #endif
 992                 case 'S':
 993                         if (!(param.verbose & VERBOSE_DETAIL)) {
 994                                 param.verbose |= VERBOSE_SIZE;
 995                                 param.maxdepth = 0;
 996                         }
 997                         break;
 998                 case 'o':
 999 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,4,50,0)
1000                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
1001                                 "use '--stripe-index|-i' instead\n");
1002 #else
1003                         if (strcmp(argv[optind - 1], "--offset") == 0)
1004                                 /* need --stripe-index established first */
1005                                 fprintf(stderr, "warning: '--offset' deprecated"
1006                                         ", use '--index' instead\n");
1007 #endif
1008                 case 'i':
1009 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1010 #warning "remove deprecated --offset and --index options"
1011 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1012                         if (strcmp(argv[optind - 1], "--index") == 0)
1013                                 fprintf(stderr, "warning: '--index' deprecated"
1014                                         ", use '--stripe-index' instead\n");
1015 #endif
1016                         if (!(param.verbose & VERBOSE_DETAIL)) {
1017                                 param.verbose |= VERBOSE_OFFSET;
1018                                 param.maxdepth = 0;
1019                         }
1020                         break;
1021                 case 'p':
1022                         if (!(param.verbose & VERBOSE_DETAIL)) {
1023                                 param.verbose |= VERBOSE_POOL;
1024                                 param.maxdepth = 0;
1025                         }
1026                         break;
1027                 case 'g':
1028                         if (!(param.verbose & VERBOSE_DETAIL)) {
1029                                 param.verbose |= VERBOSE_GENERATION;
1030                                 param.maxdepth = 0;
1031                         }
1032                         break;
1033                 case 'M':
1034                         if (!(param.verbose & VERBOSE_DETAIL))
1035                                 param.maxdepth = 0;
1036                         param.verbose |= VERBOSE_MDTINDEX;
1037                         break;
1038                 case 'R':
1039                         param.raw = 1;
1040                         break;
1041                 default:
1042                         return CMD_HELP;
1043                 }
1044         }
1045
1046         if (optind >= argc)
1047                 return CMD_HELP;
1048
1049         if (param.recursive)
1050                 param.maxdepth = -1;
1051
1052         if (!param.verbose)
1053                 param.verbose = VERBOSE_ALL;
1054         if (param.quiet)
1055                 param.verbose = VERBOSE_OBJID;
1056
1057         do {
1058                 rc = llapi_getstripe(argv[optind], &param);
1059         } while (++optind < argc && !rc);
1060
1061         if (rc)
1062                 fprintf(stderr, "error: %s failed for %s.\n",
1063                         argv[0], argv[optind - 1]);
1064         return rc;
1065 }
1066
1067 static int lfs_tgts(int argc, char **argv)
1068 {
1069         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1070         struct find_param param;
1071         int index = 0, rc=0;
1072
1073         if (argc > 2)
1074                 return CMD_HELP;
1075
1076         if (argc == 2 && !realpath(argv[1], path)) {
1077                 rc = -errno;
1078                 fprintf(stderr, "error: invalid path '%s': %s\n",
1079                         argv[1], strerror(-rc));
1080                 return rc;
1081         }
1082
1083         while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
1084                 /* Check if we have a mount point */
1085                 if (mntdir[0] == '\0')
1086                         continue;
1087
1088                 memset(&param, 0, sizeof(param));
1089                 if (!strcmp(argv[0], "mdts"))
1090                         param.get_lmv = 1;
1091
1092                 rc = llapi_ostlist(mntdir, &param);
1093                 if (rc) {
1094                         fprintf(stderr, "error: %s: failed on %s\n",
1095                                 argv[0], mntdir);
1096                 }
1097                 if (path[0] != '\0')
1098                         break;
1099                 memset(mntdir, 0, PATH_MAX);
1100         }
1101
1102         return rc;
1103 }
1104
1105 static int lfs_osts(int argc, char **argv)
1106 {
1107         return lfs_tgts(argc, argv);
1108 }
1109
1110 static int lfs_mdts(int argc, char **argv)
1111 {
1112         return lfs_tgts(argc, argv);
1113 }
1114
1115 #define COOK(value)                                                     \
1116 ({                                                                      \
1117         int radix = 0;                                                  \
1118         while (value > 1024) {                                          \
1119                 value /= 1024;                                          \
1120                 radix++;                                                \
1121         }                                                               \
1122         radix;                                                          \
1123 })
1124 #define UUF     "%-20s"
1125 #define CSF     "%11s"
1126 #define CDF     "%11llu"
1127 #define HDF     "%8.1f%c"
1128 #define RSF     "%4s"
1129 #define RDF     "%3d%%"
1130
1131 static int showdf(char *mntdir, struct obd_statfs *stat,
1132                   char *uuid, int ishow, int cooked,
1133                   char *type, int index, int rc)
1134 {
1135         long long avail, used, total;
1136         double ratio = 0;
1137         char *suffix = "KMGTPEZY";
1138         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
1139         char tbuf[20], ubuf[20], abuf[20], rbuf[20];
1140
1141         if (!uuid || !stat)
1142                 return -EINVAL;
1143
1144         switch (rc) {
1145         case 0:
1146                 if (ishow) {
1147                         avail = stat->os_ffree;
1148                         used = stat->os_files - stat->os_ffree;
1149                         total = stat->os_files;
1150                 } else {
1151                         int shift = cooked ? 0 : 10;
1152
1153                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
1154                         used  = ((stat->os_blocks - stat->os_bfree) *
1155                                  stat->os_bsize) >> shift;
1156                         total = (stat->os_blocks * stat->os_bsize) >> shift;
1157                 }
1158
1159                 if ((used + avail) > 0)
1160                         ratio = (double)used / (double)(used + avail);
1161
1162                 if (cooked) {
1163                         int i;
1164                         double cook_val;
1165
1166                         cook_val = (double)total;
1167                         i = COOK(cook_val);
1168                         if (i > 0)
1169                                 sprintf(tbuf, HDF, cook_val, suffix[i - 1]);
1170                         else
1171                                 sprintf(tbuf, CDF, total);
1172
1173                         cook_val = (double)used;
1174                         i = COOK(cook_val);
1175                         if (i > 0)
1176                                 sprintf(ubuf, HDF, cook_val, suffix[i - 1]);
1177                         else
1178                                 sprintf(ubuf, CDF, used);
1179
1180                         cook_val = (double)avail;
1181                         i = COOK(cook_val);
1182                         if (i > 0)
1183                                 sprintf(abuf, HDF, cook_val, suffix[i - 1]);
1184                         else
1185                                 sprintf(abuf, CDF, avail);
1186                 } else {
1187                         sprintf(tbuf, CDF, total);
1188                         sprintf(ubuf, CDF, used);
1189                         sprintf(abuf, CDF, avail);
1190                 }
1191
1192                 sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
1193                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
1194                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
1195                 if (type)
1196                         printf("[%s:%d]\n", type, index);
1197                 else
1198                         printf("\n");
1199
1200                 break;
1201         case -ENODATA:
1202                 printf(UUF": inactive device\n", uuid);
1203                 break;
1204         default:
1205                 printf(UUF": %s\n", uuid, strerror(-rc));
1206                 break;
1207         }
1208
1209         return 0;
1210 }
1211
1212 struct ll_stat_type {
1213         int   st_op;
1214         char *st_name;
1215 };
1216
1217 static int mntdf(char *mntdir, char *fsname, char *pool, int ishow, int cooked)
1218 {
1219         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
1220         struct obd_uuid uuid_buf;
1221         char *poolname = NULL;
1222         struct ll_stat_type types[] = { { LL_STATFS_LMV, "MDT" },
1223                                         { LL_STATFS_LOV, "OST" },
1224                                         { 0, NULL } };
1225         struct ll_stat_type *tp;
1226         __u32 index;
1227         int rc;
1228
1229         if (pool) {
1230                 poolname = strchr(pool, '.');
1231                 if (poolname != NULL) {
1232                         if (strncmp(fsname, pool, strlen(fsname))) {
1233                                 fprintf(stderr, "filesystem name incorrect\n");
1234                                 return -ENODEV;
1235                         }
1236                         poolname++;
1237                 } else
1238                         poolname = pool;
1239         }
1240
1241         if (ishow)
1242                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1243                        "UUID", "Inodes", "IUsed", "IFree",
1244                        "IUse%", "Mounted on");
1245         else
1246                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1247                        "UUID", cooked ? "bytes" : "1K-blocks",
1248                        "Used", "Available", "Use%", "Mounted on");
1249
1250         for (tp = types; tp->st_name != NULL; tp++) {
1251                 for (index = 0; ; index++) {
1252                         memset(&stat_buf, 0, sizeof(struct obd_statfs));
1253                         memset(&uuid_buf, 0, sizeof(struct obd_uuid));
1254                         rc = llapi_obd_statfs(mntdir, tp->st_op, index,
1255                                               &stat_buf, &uuid_buf);
1256                         if (rc == -ENODEV)
1257                                 break;
1258
1259                         if (poolname && tp->st_op == LL_STATFS_LOV &&
1260                             llapi_search_ost(fsname, poolname,
1261                                              obd_uuid2str(&uuid_buf)) != 1)
1262                                 continue;
1263
1264                         /* the llapi_obd_statfs() call may have returned with
1265                          * an error, but if it filled in uuid_buf we will at
1266                          * lease use that to print out a message for that OBD.
1267                          * If we didn't get anything in the uuid_buf, then fill
1268                          * it in so that we can print an error message. */
1269                         if (uuid_buf.uuid[0] == '\0')
1270                                 sprintf(uuid_buf.uuid, "%s%04x",
1271                                         tp->st_name, index);
1272                         showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
1273                                ishow, cooked, tp->st_name, index, rc);
1274
1275                         if (rc == 0) {
1276                                 if (tp->st_op == LL_STATFS_LMV) {
1277                                         sum.os_ffree += stat_buf.os_ffree;
1278                                         sum.os_files += stat_buf.os_files;
1279                                 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
1280                                         sum.os_blocks += stat_buf.os_blocks *
1281                                                 stat_buf.os_bsize;
1282                                         sum.os_bfree  += stat_buf.os_bfree *
1283                                                 stat_buf.os_bsize;
1284                                         sum.os_bavail += stat_buf.os_bavail *
1285                                                 stat_buf.os_bsize;
1286                                 }
1287                         } else if (rc == -EINVAL || rc == -EFAULT) {
1288                                 break;
1289                         }
1290                 }
1291         }
1292
1293         printf("\n");
1294         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0,0);
1295         printf("\n");
1296         return 0;
1297 }
1298
1299 static int lfs_df(int argc, char **argv)
1300 {
1301         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1302         int ishow = 0, cooked = 0;
1303         int c, rc = 0, index = 0;
1304         char fsname[PATH_MAX] = "", *pool_name = NULL;
1305         struct option long_opts[] = {
1306                 {"pool", required_argument, 0, 'p'},
1307                 {0, 0, 0, 0}
1308         };
1309
1310         optind = 0;
1311         while ((c = getopt_long(argc, argv, "hip:", long_opts, NULL)) != -1) {
1312                 switch (c) {
1313                 case 'i':
1314                         ishow = 1;
1315                         break;
1316                 case 'h':
1317                         cooked = 1;
1318                         break;
1319                 case 'p':
1320                         pool_name = optarg;
1321                         break;
1322                 default:
1323                         return CMD_HELP;
1324                 }
1325         }
1326         if (optind < argc && !realpath(argv[optind], path)) {
1327                 rc = -errno;
1328                 fprintf(stderr, "error: invalid path '%s': %s\n",
1329                         argv[optind], strerror(-rc));
1330                 return rc;
1331         }
1332
1333         while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1334                 /* Check if we have a mount point */
1335                 if (mntdir[0] == '\0')
1336                         continue;
1337
1338                 rc = mntdf(mntdir, fsname, pool_name, ishow, cooked);
1339                 if (rc || path[0] != '\0')
1340                         break;
1341                 fsname[0] = '\0'; /* avoid matching in next loop */
1342                 mntdir[0] = '\0'; /* avoid matching in next loop */
1343         }
1344
1345         return rc;
1346 }
1347
1348 static int lfs_getname(int argc, char **argv)
1349 {
1350         char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
1351         int rc = 0, index = 0, c;
1352         char buf[sizeof(struct obd_uuid)];
1353
1354         optind = 0;
1355         while ((c = getopt(argc, argv, "h")) != -1)
1356                 return CMD_HELP;
1357
1358         if (optind == argc) { /* no paths specified, get all paths. */
1359                 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1360                         rc = llapi_getname(mntdir, buf, sizeof(buf));
1361                         if (rc < 0) {
1362                                 fprintf(stderr,
1363                                         "cannot get name for `%s': %s\n",
1364                                         mntdir, strerror(-rc));
1365                                 break;
1366                         }
1367
1368                         printf("%s %s\n", buf, mntdir);
1369
1370                         path[0] = fsname[0] = mntdir[0] = 0;
1371                 }
1372         } else { /* paths specified, only attempt to search these. */
1373                 for (; optind < argc; optind++) {
1374                         rc = llapi_getname(argv[optind], buf, sizeof(buf));
1375                         if (rc < 0) {
1376                                 fprintf(stderr,
1377                                         "cannot get name for `%s': %s\n",
1378                                         argv[optind], strerror(-rc));
1379                                 break;
1380                         }
1381
1382                         printf("%s %s\n", buf, argv[optind]);
1383                 }
1384         }
1385         return rc;
1386 }
1387
1388 static int lfs_check(int argc, char **argv)
1389 {
1390         int rc;
1391         char mntdir[PATH_MAX] = {'\0'};
1392         int num_types = 1;
1393         char *obd_types[2];
1394         char obd_type1[4];
1395         char obd_type2[4];
1396
1397         if (argc != 2)
1398                 return CMD_HELP;
1399
1400         obd_types[0] = obd_type1;
1401         obd_types[1] = obd_type2;
1402
1403         if (strcmp(argv[1], "osts") == 0) {
1404                 strcpy(obd_types[0], "osc");
1405         } else if (strcmp(argv[1], "mds") == 0) {
1406                 strcpy(obd_types[0], "mdc");
1407         } else if (strcmp(argv[1], "servers") == 0) {
1408                 num_types = 2;
1409                 strcpy(obd_types[0], "osc");
1410                 strcpy(obd_types[1], "mdc");
1411         } else {
1412                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
1413                                 argv[0], argv[1]);
1414                         return CMD_HELP;
1415         }
1416
1417         rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
1418         if (rc < 0 || mntdir[0] == '\0') {
1419                 fprintf(stderr, "No suitable Lustre mount found\n");
1420                 return rc;
1421         }
1422
1423         rc = llapi_target_iterate(num_types, obd_types,
1424                                   mntdir, llapi_ping_target);
1425
1426         if (rc)
1427                 fprintf(stderr, "error: %s: %s status failed\n",
1428                                 argv[0],argv[1]);
1429
1430         return rc;
1431
1432 }
1433
1434 static int lfs_join(int argc, char **argv)
1435 {
1436         fprintf(stderr, "join two lustre files into one.\n"
1437                         "obsolete, HEAD does not support it anymore.\n");
1438         return 0;
1439 }
1440
1441 #ifdef HAVE_SYS_QUOTA_H
1442 static int lfs_quotacheck(int argc, char **argv)
1443 {
1444         int c, check_type = 0;
1445         char *mnt;
1446         struct if_quotacheck qchk;
1447         struct if_quotactl qctl;
1448         char *obd_type = (char *)qchk.obd_type;
1449         int rc;
1450
1451         memset(&qchk, 0, sizeof(qchk));
1452
1453         optind = 0;
1454         while ((c = getopt(argc, argv, "gu")) != -1) {
1455                 switch (c) {
1456                 case 'u':
1457                         check_type |= 0x01;
1458                         break;
1459                 case 'g':
1460                         check_type |= 0x02;
1461                         break;
1462                 default:
1463                         fprintf(stderr, "error: %s: option '-%c' "
1464                                         "unrecognized\n", argv[0], c);
1465                         return CMD_HELP;
1466                 }
1467         }
1468
1469         if (check_type)
1470                 check_type--;
1471         else    /* do quotacheck for both user & group quota by default */
1472                 check_type = 0x02;
1473
1474         if (argc == optind)
1475                 return CMD_HELP;
1476
1477         mnt = argv[optind];
1478
1479         rc = llapi_quotacheck(mnt, check_type);
1480         if (rc == -EOPNOTSUPP) {
1481                 fprintf(stderr, "error: quotacheck not supported by the quota "
1482                         "master.\nPlease note that quotacheck is deprecated as "
1483                         "of lustre 2.4.0 since space accounting is always "
1484                         "enabled.\nFilesystems not formatted with 2.4 utils or "
1485                         "beyond can be upgraded with tunefs.lustre --quota.\n");
1486                 return rc;
1487         } else if (rc) {
1488                 fprintf(stderr, "quotacheck failed: %s\n", strerror(-rc));
1489                 return rc;
1490         }
1491
1492         rc = llapi_poll_quotacheck(mnt, &qchk);
1493         if (rc) {
1494                 if (*obd_type)
1495                         fprintf(stderr, "%s %s ", obd_type,
1496                                 obd_uuid2str(&qchk.obd_uuid));
1497                 fprintf(stderr, "quota check failed: %s\n", strerror(-rc));
1498                 return rc;
1499         }
1500
1501         memset(&qctl, 0, sizeof(qctl));
1502         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1503         qctl.qc_type = check_type;
1504         rc = llapi_quotactl(mnt, &qctl);
1505         if (rc && rc != -EALREADY) {
1506                 if (*obd_type)
1507                         fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
1508                                 obd_uuid2str(&qctl.obd_uuid));
1509                 fprintf(stderr, "%s turn on quota failed: %s\n",
1510                         argv[0], strerror(-rc));
1511                 return rc;
1512         }
1513
1514         return 0;
1515 }
1516
1517 static int lfs_quotaon(int argc, char **argv)
1518 {
1519         int c;
1520         char *mnt;
1521         struct if_quotactl qctl;
1522         char *obd_type = (char *)qctl.obd_type;
1523         int rc;
1524
1525         memset(&qctl, 0, sizeof(qctl));
1526         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1527
1528         optind = 0;
1529         while ((c = getopt(argc, argv, "fgu")) != -1) {
1530                 switch (c) {
1531                 case 'u':
1532                         qctl.qc_type |= 0x01;
1533                         break;
1534                 case 'g':
1535                         qctl.qc_type |= 0x02;
1536                         break;
1537                 case 'f':
1538                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1539                         break;
1540                 default:
1541                         fprintf(stderr, "error: %s: option '-%c' "
1542                                         "unrecognized\n", argv[0], c);
1543                         return CMD_HELP;
1544                 }
1545         }
1546
1547         if (qctl.qc_type)
1548                 qctl.qc_type--;
1549         else /* by default, enable quota for both user & group */
1550                 qctl.qc_type = 0x02;
1551
1552         if (argc == optind)
1553                 return CMD_HELP;
1554
1555         mnt = argv[optind];
1556
1557         rc = llapi_quotactl(mnt, &qctl);
1558         if (rc) {
1559                 if (rc == -EOPNOTSUPP) {
1560                         fprintf(stderr, "error: quotaon not supported by the "
1561                                 "quota master.\nPlease note that quotaon/off is"
1562                                 " deprecated as of lustre 2.4.0.\nQuota "
1563                                 "enforcement should now be enabled on the MGS "
1564                                 "via:\nmgs# lctl conf_param ${FSNAME}.quota."
1565                                 "<ost|mdt>=<u|g|ug>\n(ost for block quota, mdt "
1566                                 "for inode quota, u for user and g for group"
1567                                 "\n");
1568                 } else if (rc == -EALREADY) {
1569                         rc = 0;
1570                 } else if (rc == -ENOENT) {
1571                         fprintf(stderr, "error: cannot find quota database, "
1572                                         "make sure you have run quotacheck\n");
1573                 } else {
1574                         if (*obd_type)
1575                                 fprintf(stderr, "%s %s ", obd_type,
1576                                         obd_uuid2str(&qctl.obd_uuid));
1577                         fprintf(stderr, "%s failed: %s\n", argv[0],
1578                                 strerror(-rc));
1579                 }
1580         }
1581
1582         return rc;
1583 }
1584
1585 static int lfs_quotaoff(int argc, char **argv)
1586 {
1587         int c;
1588         char *mnt;
1589         struct if_quotactl qctl;
1590         char *obd_type = (char *)qctl.obd_type;
1591         int rc;
1592
1593         memset(&qctl, 0, sizeof(qctl));
1594         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
1595
1596         optind = 0;
1597         while ((c = getopt(argc, argv, "gu")) != -1) {
1598                 switch (c) {
1599                 case 'u':
1600                         qctl.qc_type |= 0x01;
1601                         break;
1602                 case 'g':
1603                         qctl.qc_type |= 0x02;
1604                         break;
1605                 default:
1606                         fprintf(stderr, "error: %s: option '-%c' "
1607                                         "unrecognized\n", argv[0], c);
1608                         return CMD_HELP;
1609                 }
1610         }
1611
1612         if (qctl.qc_type)
1613                 qctl.qc_type--;
1614         else /* by default, disable quota for both user & group */
1615                 qctl.qc_type = 0x02;
1616
1617         if (argc == optind)
1618                 return CMD_HELP;
1619
1620         mnt = argv[optind];
1621
1622         rc = llapi_quotactl(mnt, &qctl);
1623         if (rc) {
1624                 if (rc == -EOPNOTSUPP) {
1625                         fprintf(stderr, "error: quotaoff not supported by the "
1626                                 "quota master.\nPlease note that quotaon/off is"
1627                                 " deprecated as of lustre 2.4.0.\nQuota "
1628                                 "enforcement can be disabled on the MGS via:\n"
1629                                 "mgs# lctl conf_param ${FSNAME}.quota.<ost|mdt>"
1630                                 "=\"\"\n");
1631                 } else if (rc == -EALREADY) {
1632                         rc = 0;
1633                 } else {
1634                         if (*obd_type)
1635                                 fprintf(stderr, "%s %s ", obd_type,
1636                                         obd_uuid2str(&qctl.obd_uuid));
1637                         fprintf(stderr, "quotaoff failed: %s\n",
1638                                 strerror(-rc));
1639                 }
1640         }
1641
1642         return rc;
1643 }
1644
1645 #define ARG2INT(nr, str, msg)                                           \
1646 do {                                                                    \
1647         char *endp;                                                     \
1648         nr = strtol(str, &endp, 0);                                     \
1649         if (*endp) {                                                    \
1650                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
1651                 return CMD_HELP;                                        \
1652         }                                                               \
1653 } while (0)
1654
1655 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
1656
1657 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
1658  * returns the value or ULONG_MAX on integer overflow or incorrect format
1659  * Notes:
1660  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
1661  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
1662  *        3. empty integer value is interpreted as 0
1663  */
1664 static unsigned long str2sec(const char* timestr)
1665 {
1666         const char spec[] = "smhdw";
1667         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
1668         unsigned long val = 0;
1669         char *tail;
1670
1671         if (strpbrk(timestr, spec) == NULL) {
1672                 /* no specifiers inside the time string,
1673                    should treat it as an integer value */
1674                 val = strtoul(timestr, &tail, 10);
1675                 return *tail ? ULONG_MAX : val;
1676         }
1677
1678         /* format string is XXwXXdXXhXXmXXs */
1679         while (*timestr) {
1680                 unsigned long v;
1681                 int ind;
1682                 char* ptr;
1683
1684                 v = strtoul(timestr, &tail, 10);
1685                 if (v == ULONG_MAX || *tail == '\0')
1686                         /* value too large (ULONG_MAX or more)
1687                            or missing specifier */
1688                         goto error;
1689
1690                 ptr = strchr(spec, *tail);
1691                 if (ptr == NULL)
1692                         /* unknown specifier */
1693                         goto error;
1694
1695                 ind = ptr - spec;
1696
1697                 /* check if product will overflow the type */
1698                 if (!(v < ULONG_MAX / mult[ind]))
1699                         goto error;
1700
1701                 ADD_OVERFLOW(val, mult[ind] * v);
1702                 if (val == ULONG_MAX)
1703                         goto error;
1704
1705                 timestr = tail + 1;
1706         }
1707
1708         return val;
1709
1710 error:
1711         return ULONG_MAX;
1712 }
1713
1714 #define ARG2ULL(nr, str, def_units)                                     \
1715 do {                                                                    \
1716         unsigned long long limit, units = def_units;                    \
1717         int rc;                                                         \
1718                                                                         \
1719         rc = parse_size(str, &limit, &units, 1);                        \
1720         if (rc < 0) {                                                   \
1721                 fprintf(stderr, "error: bad limit value %s\n", str);    \
1722                 return CMD_HELP;                                        \
1723         }                                                               \
1724         nr = limit;                                                     \
1725 } while (0)
1726
1727 static inline int has_times_option(int argc, char **argv)
1728 {
1729         int i;
1730
1731         for (i = 1; i < argc; i++)
1732                 if (!strcmp(argv[i], "-t"))
1733                         return 1;
1734
1735         return 0;
1736 }
1737
1738 int lfs_setquota_times(int argc, char **argv)
1739 {
1740         int c, rc;
1741         struct if_quotactl qctl;
1742         char *mnt, *obd_type = (char *)qctl.obd_type;
1743         struct obd_dqblk *dqb = &qctl.qc_dqblk;
1744         struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
1745         struct option long_opts[] = {
1746                 {"block-grace",     required_argument, 0, 'b'},
1747                 {"group",           no_argument,       0, 'g'},
1748                 {"inode-grace",     required_argument, 0, 'i'},
1749                 {"times",           no_argument,       0, 't'},
1750                 {"user",            no_argument,       0, 'u'},
1751                 {0, 0, 0, 0}
1752         };
1753
1754         memset(&qctl, 0, sizeof(qctl));
1755         qctl.qc_cmd  = LUSTRE_Q_SETINFO;
1756         qctl.qc_type = UGQUOTA;
1757
1758         optind = 0;
1759         while ((c = getopt_long(argc, argv, "b:gi:tu", long_opts, NULL)) != -1) {
1760                 switch (c) {
1761                 case 'u':
1762                 case 'g':
1763                         if (qctl.qc_type != UGQUOTA) {
1764                                 fprintf(stderr, "error: -u and -g can't be used "
1765                                                 "more than once\n");
1766                                 return CMD_HELP;
1767                         }
1768                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
1769                         break;
1770                 case 'b':
1771                         if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
1772                                 fprintf(stderr, "error: bad block-grace: %s\n",
1773                                         optarg);
1774                                 return CMD_HELP;
1775                         }
1776                         dqb->dqb_valid |= QIF_BTIME;
1777                         break;
1778                 case 'i':
1779                         if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
1780                                 fprintf(stderr, "error: bad inode-grace: %s\n",
1781                                         optarg);
1782                                 return CMD_HELP;
1783                         }
1784                         dqb->dqb_valid |= QIF_ITIME;
1785                         break;
1786                 case 't': /* Yes, of course! */
1787                         break;
1788                 default: /* getopt prints error message for us when opterr != 0 */
1789                         return CMD_HELP;
1790                 }
1791         }
1792
1793         if (qctl.qc_type == UGQUOTA) {
1794                 fprintf(stderr, "error: neither -u nor -g specified\n");
1795                 return CMD_HELP;
1796         }
1797
1798         if (optind != argc - 1) {
1799                 fprintf(stderr, "error: unexpected parameters encountered\n");
1800                 return CMD_HELP;
1801         }
1802
1803         mnt = argv[optind];
1804         rc = llapi_quotactl(mnt, &qctl);
1805         if (rc) {
1806                 if (*obd_type)
1807                         fprintf(stderr, "%s %s ", obd_type,
1808                                 obd_uuid2str(&qctl.obd_uuid));
1809                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
1810                 return rc;
1811         }
1812
1813         return 0;
1814 }
1815
1816 #define BSLIMIT (1 << 0)
1817 #define BHLIMIT (1 << 1)
1818 #define ISLIMIT (1 << 2)
1819 #define IHLIMIT (1 << 3)
1820
1821 int lfs_setquota(int argc, char **argv)
1822 {
1823         int c, rc;
1824         struct if_quotactl qctl;
1825         char *mnt, *obd_type = (char *)qctl.obd_type;
1826         struct obd_dqblk *dqb = &qctl.qc_dqblk;
1827         struct option long_opts[] = {
1828                 {"block-softlimit", required_argument, 0, 'b'},
1829                 {"block-hardlimit", required_argument, 0, 'B'},
1830                 {"group",           required_argument, 0, 'g'},
1831                 {"inode-softlimit", required_argument, 0, 'i'},
1832                 {"inode-hardlimit", required_argument, 0, 'I'},
1833                 {"user",            required_argument, 0, 'u'},
1834                 {0, 0, 0, 0}
1835         };
1836         unsigned limit_mask = 0;
1837         char *endptr;
1838
1839         if (has_times_option(argc, argv))
1840                 return lfs_setquota_times(argc, argv);
1841
1842         memset(&qctl, 0, sizeof(qctl));
1843         qctl.qc_cmd  = LUSTRE_Q_SETQUOTA;
1844         qctl.qc_type = UGQUOTA; /* UGQUOTA makes no sense for setquota,
1845                                  * so it can be used as a marker that qc_type
1846                                  * isn't reinitialized from command line */
1847
1848         optind = 0;
1849         while ((c = getopt_long(argc, argv, "b:B:g:i:I:u:", long_opts, NULL)) != -1) {
1850                 switch (c) {
1851                 case 'u':
1852                 case 'g':
1853                         if (qctl.qc_type != UGQUOTA) {
1854                                 fprintf(stderr, "error: -u and -g can't be used"
1855                                                 " more than once\n");
1856                                 return CMD_HELP;
1857                         }
1858                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
1859                         rc = name2id(&qctl.qc_id, optarg,
1860                                      (qctl.qc_type == USRQUOTA) ? USER : GROUP);
1861                         if (rc) {
1862                                 qctl.qc_id = strtoul(optarg, &endptr, 10);
1863                                 if (*endptr != '\0') {
1864                                         fprintf(stderr, "error: can't find id "
1865                                                 "for name %s\n", optarg);
1866                                         return CMD_HELP;
1867                                 }
1868                         }
1869                         break;
1870                 case 'b':
1871                         ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
1872                         dqb->dqb_bsoftlimit >>= 10;
1873                         limit_mask |= BSLIMIT;
1874                         break;
1875                 case 'B':
1876                         ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
1877                         dqb->dqb_bhardlimit >>= 10;
1878                         limit_mask |= BHLIMIT;
1879                         break;
1880                 case 'i':
1881                         ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
1882                         limit_mask |= ISLIMIT;
1883                         break;
1884                 case 'I':
1885                         ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
1886                         limit_mask |= IHLIMIT;
1887                         break;
1888                 default: /* getopt prints error message for us when opterr != 0 */
1889                         return CMD_HELP;
1890                 }
1891         }
1892
1893         if (qctl.qc_type == UGQUOTA) {
1894                 fprintf(stderr, "error: neither -u nor -g was specified\n");
1895                 return CMD_HELP;
1896         }
1897
1898         if (limit_mask == 0) {
1899                 fprintf(stderr, "error: at least one limit must be specified\n");
1900                 return CMD_HELP;
1901         }
1902
1903         if (optind != argc - 1) {
1904                 fprintf(stderr, "error: unexpected parameters encountered\n");
1905                 return CMD_HELP;
1906         }
1907
1908         mnt = argv[optind];
1909
1910         if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
1911             (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
1912                 /* sigh, we can't just set blimits/ilimits */
1913                 struct if_quotactl tmp_qctl = {.qc_cmd  = LUSTRE_Q_GETQUOTA,
1914                                                .qc_type = qctl.qc_type,
1915                                                .qc_id   = qctl.qc_id};
1916
1917                 rc = llapi_quotactl(mnt, &tmp_qctl);
1918                 if (rc < 0) {
1919                         fprintf(stderr, "error: setquota failed while retrieving"
1920                                         " current quota settings (%s)\n",
1921                                         strerror(-rc));
1922                         return rc;
1923                 }
1924
1925                 if (!(limit_mask & BHLIMIT))
1926                         dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
1927                 if (!(limit_mask & BSLIMIT))
1928                         dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
1929                 if (!(limit_mask & IHLIMIT))
1930                         dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
1931                 if (!(limit_mask & ISLIMIT))
1932                         dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
1933
1934                 /* Keep grace times if we have got no softlimit arguments */
1935                 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
1936                         dqb->dqb_valid |= QIF_BTIME;
1937                         dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
1938                 }
1939
1940                 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
1941                         dqb->dqb_valid |= QIF_ITIME;
1942                         dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
1943                 }
1944         }
1945
1946         dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
1947         dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
1948
1949         rc = llapi_quotactl(mnt, &qctl);
1950         if (rc) {
1951                 if (*obd_type)
1952                         fprintf(stderr, "%s %s ", obd_type,
1953                                 obd_uuid2str(&qctl.obd_uuid));
1954                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
1955                 return rc;
1956         }
1957
1958         return 0;
1959 }
1960
1961 static inline char *type2name(int check_type)
1962 {
1963         if (check_type == USRQUOTA)
1964                 return "user";
1965         else if (check_type == GRPQUOTA)
1966                 return "group";
1967         else
1968                 return "unknown";
1969 }
1970
1971 /* Converts seconds value into format string
1972  * result is returned in buf
1973  * Notes:
1974  *        1. result is in descenting order: 1w2d3h4m5s
1975  *        2. zero fields are not filled (except for p. 3): 5d1s
1976  *        3. zero seconds value is presented as "0s"
1977  */
1978 static char * __sec2str(time_t seconds, char *buf)
1979 {
1980         const char spec[] = "smhdw";
1981         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
1982         unsigned long c;
1983         char *tail = buf;
1984         int i;
1985
1986         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
1987                 c = seconds / mult[i];
1988
1989                 if (c > 0 || (i == 0 && buf == tail))
1990                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
1991
1992                 seconds %= mult[i];
1993         }
1994
1995         return tail;
1996 }
1997
1998 static void sec2str(time_t seconds, char *buf, int rc)
1999 {
2000         char *tail = buf;
2001
2002         if (rc)
2003                 *tail++ = '[';
2004
2005         tail = __sec2str(seconds, tail);
2006
2007         if (rc && tail - buf < 39) {
2008                 *tail++ = ']';
2009                 *tail++ = 0;
2010         }
2011 }
2012
2013 static void diff2str(time_t seconds, char *buf, time_t now)
2014 {
2015
2016         buf[0] = 0;
2017         if (!seconds)
2018                 return;
2019         if (seconds <= now) {
2020                 strcpy(buf, "none");
2021                 return;
2022         }
2023         __sec2str(seconds - now, buf);
2024 }
2025
2026 static void print_quota_title(char *name, struct if_quotactl *qctl)
2027 {
2028         printf("Disk quotas for %s %s (%cid %u):\n",
2029                type2name(qctl->qc_type), name,
2030                *type2name(qctl->qc_type), qctl->qc_id);
2031         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
2032                "Filesystem",
2033                "kbytes", "quota", "limit", "grace",
2034                "files", "quota", "limit", "grace");
2035 }
2036
2037 static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
2038 {
2039         time_t now;
2040
2041         time(&now);
2042
2043         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
2044                 int bover = 0, iover = 0;
2045                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
2046
2047                 if (dqb->dqb_bhardlimit &&
2048                     toqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
2049                         bover = 1;
2050                 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
2051                         if (dqb->dqb_btime > now) {
2052                                 bover = 2;
2053                         } else {
2054                                 bover = 3;
2055                         }
2056                 }
2057
2058                 if (dqb->dqb_ihardlimit &&
2059                     dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
2060                         iover = 1;
2061                 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
2062                         if (dqb->dqb_btime > now) {
2063                                 iover = 2;
2064                         } else {
2065                                 iover = 3;
2066                         }
2067                 }
2068
2069 #if 0           /* XXX: always print quotas even when no usages */
2070                 if (dqb->dqb_curspace || dqb->dqb_curinodes)
2071 #endif
2072                 {
2073                         char numbuf[3][32];
2074                         char timebuf[40];
2075
2076                         if (strlen(mnt) > 15)
2077                                 printf("%s\n%15s", mnt, "");
2078                         else
2079                                 printf("%15s", mnt);
2080
2081                         if (bover)
2082                                 diff2str(dqb->dqb_btime, timebuf, now);
2083                         if (rc == -EREMOTEIO)
2084                                 sprintf(numbuf[0], LPU64"*",
2085                                         toqb(dqb->dqb_curspace));
2086                         else
2087                                 sprintf(numbuf[0],
2088                                         (dqb->dqb_valid & QIF_SPACE) ?
2089                                         LPU64 : "["LPU64"]",
2090                                         toqb(dqb->dqb_curspace));
2091                         if (type == QC_GENERAL)
2092                                 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS)
2093                                         ? LPU64 : "["LPU64"]",
2094                                         dqb->dqb_bsoftlimit);
2095                         else
2096                                 sprintf(numbuf[1], "%s", "-");
2097                         sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS)
2098                                 ? LPU64 : "["LPU64"]", dqb->dqb_bhardlimit);
2099                         printf(" %7s%c %6s %7s %7s",
2100                                numbuf[0], bover ? '*' : ' ', numbuf[1],
2101                                numbuf[2], bover > 1 ? timebuf : "-");
2102
2103                         if (iover)
2104                                 diff2str(dqb->dqb_itime, timebuf, now);
2105
2106                         sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
2107                                 LPU64 : "["LPU64"]", dqb->dqb_curinodes);
2108                        if (type == QC_GENERAL)
2109                                 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS)
2110                                         ? LPU64 : "["LPU64"]",
2111                                         dqb->dqb_isoftlimit);
2112                         else
2113                                 sprintf(numbuf[1], "%s", "-");
2114                         sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
2115                                 LPU64 : "["LPU64"]", dqb->dqb_ihardlimit);
2116                         if (type != QC_OSTIDX)
2117                                 printf(" %7s%c %6s %7s %7s",
2118                                        numbuf[0], iover ? '*' : ' ', numbuf[1],
2119                                        numbuf[2], iover > 1 ? timebuf : "-");
2120                         else
2121                                 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
2122                         printf("\n");
2123                 }
2124         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
2125                    qctl->qc_cmd == Q_GETOINFO) {
2126                 char bgtimebuf[40];
2127                 char igtimebuf[40];
2128
2129                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
2130                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
2131                 printf("Block grace time: %s; Inode grace time: %s\n",
2132                        bgtimebuf, igtimebuf);
2133         }
2134 }
2135
2136 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt)
2137 {
2138         int rc = 0, rc1 = 0, count = 0;
2139         __u32 valid = qctl->qc_valid;
2140
2141         rc = llapi_get_obd_count(mnt, &count, is_mdt);
2142         if (rc) {
2143                 fprintf(stderr, "can not get %s count: %s\n",
2144                         is_mdt ? "mdt": "ost", strerror(-rc));
2145                 return rc;
2146         }
2147
2148         for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
2149                 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
2150                 rc = llapi_quotactl(mnt, qctl);
2151                 if (rc) {
2152                         /* It is remote client case. */
2153                         if (-rc == EOPNOTSUPP) {
2154                                 rc = 0;
2155                                 goto out;
2156                         }
2157
2158                         if (!rc1)
2159                                 rc1 = rc;
2160                         fprintf(stderr, "quotactl %s%d failed.\n",
2161                                 is_mdt ? "mdt": "ost", qctl->qc_idx);
2162                         continue;
2163                 }
2164
2165                 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl, qctl->qc_valid, 0);
2166         }
2167
2168 out:
2169         qctl->qc_valid = valid;
2170         return rc ? : rc1;
2171 }
2172
2173 static int lfs_quota(int argc, char **argv)
2174 {
2175         int c;
2176         char *mnt, *name = NULL;
2177         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
2178                                     .qc_type = UGQUOTA };
2179         char *obd_type = (char *)qctl.obd_type;
2180         char *obd_uuid = (char *)qctl.obd_uuid.uuid;
2181         int rc, rc1 = 0, rc2 = 0, rc3 = 0,
2182             verbose = 0, pass = 0, quiet = 0, inacc;
2183         char *endptr;
2184         __u32 valid = QC_GENERAL, idx = 0;
2185
2186         optind = 0;
2187         while ((c = getopt(argc, argv, "gi:I:o:qtuv")) != -1) {
2188                 switch (c) {
2189                 case 'u':
2190                         if (qctl.qc_type != UGQUOTA) {
2191                                 fprintf(stderr, "error: use either -u or -g\n");
2192                                 return CMD_HELP;
2193                         }
2194                         qctl.qc_type = USRQUOTA;
2195                         break;
2196                 case 'g':
2197                         if (qctl.qc_type != UGQUOTA) {
2198                                 fprintf(stderr, "error: use either -u or -g\n");
2199                                 return CMD_HELP;
2200                         }
2201                         qctl.qc_type = GRPQUOTA;
2202                         break;
2203                 case 't':
2204                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
2205                         break;
2206                 case 'o':
2207                         valid = qctl.qc_valid = QC_UUID;
2208                         strncpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
2209                         break;
2210                 case 'i':
2211                         valid = qctl.qc_valid = QC_MDTIDX;
2212                         idx = qctl.qc_idx = atoi(optarg);
2213                         break;
2214                 case 'I':
2215                         valid = qctl.qc_valid = QC_OSTIDX;
2216                         idx = qctl.qc_idx = atoi(optarg);
2217                         break;
2218                 case 'v':
2219                         verbose = 1;
2220                         break;
2221                 case 'q':
2222                         quiet = 1;
2223                         break;
2224                 default:
2225                         fprintf(stderr, "error: %s: option '-%c' "
2226                                         "unrecognized\n", argv[0], c);
2227                         return CMD_HELP;
2228                 }
2229         }
2230
2231         /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
2232         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == UGQUOTA &&
2233             optind == argc - 1) {
2234 ug_output:
2235                 memset(&qctl, 0, sizeof(qctl)); /* spoiled by print_*_quota */
2236                 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
2237                 qctl.qc_valid = valid;
2238                 qctl.qc_idx = idx;
2239                 if (pass++ == 0) {
2240                         qctl.qc_type = USRQUOTA;
2241                         qctl.qc_id = geteuid();
2242                 } else {
2243                         qctl.qc_type = GRPQUOTA;
2244                         qctl.qc_id = getegid();
2245                 }
2246                 rc = id2name(&name, qctl.qc_id,
2247                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2248                 if (rc)
2249                         name = "<unknown>";
2250         /* lfs quota -u username /path/to/lustre/mount */
2251         } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
2252                 /* options should be followed by u/g-name and mntpoint */
2253                 if (optind + 2 != argc || qctl.qc_type == UGQUOTA) {
2254                         fprintf(stderr, "error: missing quota argument(s)\n");
2255                         return CMD_HELP;
2256                 }
2257
2258                 name = argv[optind++];
2259                 rc = name2id(&qctl.qc_id, name,
2260                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2261                 if (rc) {
2262                         qctl.qc_id = strtoul(name, &endptr, 10);
2263                         if (*endptr != '\0') {
2264                                 fprintf(stderr, "error: can't find id for name "
2265                                         "%s\n", name);
2266                                 return CMD_HELP;
2267                         }
2268                 }
2269         } else if (optind + 1 != argc || qctl.qc_type == UGQUOTA) {
2270                 fprintf(stderr, "error: missing quota info argument(s)\n");
2271                 return CMD_HELP;
2272         }
2273
2274         mnt = argv[optind];
2275
2276         rc1 = llapi_quotactl(mnt, &qctl);
2277         if (rc1 < 0) {
2278                 switch (rc1) {
2279                 case -ESRCH:
2280                         fprintf(stderr, "%s quotas are not enabled.\n",
2281                                 qctl.qc_type == USRQUOTA ? "user" : "group");
2282                         goto out;
2283                 case -EPERM:
2284                         fprintf(stderr, "Permission denied.\n");
2285                 case -ENOENT:
2286                         /* We already got a "No such file..." message. */
2287                         goto out;
2288                 default:
2289                         fprintf(stderr, "Unexpected quotactl error: %s\n",
2290                                 strerror(-rc1));
2291                 }
2292         }
2293
2294         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
2295                 print_quota_title(name, &qctl);
2296
2297         if (rc1 && *obd_type)
2298                 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
2299
2300         if (qctl.qc_valid != QC_GENERAL)
2301                 mnt = "";
2302
2303         inacc = (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) &&
2304                 ((qctl.qc_dqblk.dqb_valid&(QIF_LIMITS|QIF_USAGE))!=(QIF_LIMITS|QIF_USAGE));
2305
2306         print_quota(mnt, &qctl, QC_GENERAL, rc1);
2307
2308         if (qctl.qc_valid == QC_GENERAL && qctl.qc_cmd != LUSTRE_Q_GETINFO && verbose) {
2309                 rc2 = print_obd_quota(mnt, &qctl, 1);
2310                 rc3 = print_obd_quota(mnt, &qctl, 0);
2311         }
2312
2313         if (rc1 || rc2 || rc3 || inacc)
2314                 printf("Some errors happened when getting quota info. "
2315                        "Some devices may be not working or deactivated. "
2316                        "The data in \"[]\" is inaccurate.\n");
2317
2318 out:
2319         if (pass == 1)
2320                 goto ug_output;
2321
2322         return rc1;
2323 }
2324 #endif /* HAVE_SYS_QUOTA_H! */
2325
2326 static int flushctx_ioctl(char *mp)
2327 {
2328         int fd, rc;
2329
2330         fd = open(mp, O_RDONLY);
2331         if (fd == -1) {
2332                 fprintf(stderr, "flushctx: error open %s: %s\n",
2333                         mp, strerror(errno));
2334                 return -1;
2335         }
2336
2337         rc = ioctl(fd, LL_IOC_FLUSHCTX);
2338         if (rc == -1)
2339                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
2340                         mp, strerror(errno));
2341
2342         close(fd);
2343         return rc;
2344 }
2345
2346 static int lfs_flushctx(int argc, char **argv)
2347 {
2348         int     kdestroy = 0, c;
2349         FILE   *proc = NULL;
2350         char    procline[PATH_MAX], *line;
2351         int     rc = 0;
2352
2353         optind = 0;
2354         while ((c = getopt(argc, argv, "k")) != -1) {
2355                 switch (c) {
2356                 case 'k':
2357                         kdestroy = 1;
2358                         break;
2359                 default:
2360                         fprintf(stderr, "error: %s: option '-%c' "
2361                                         "unrecognized\n", argv[0], c);
2362                         return CMD_HELP;
2363                 }
2364         }
2365
2366         if (kdestroy) {
2367             int rc;
2368             if ((rc = system("kdestroy > /dev/null")) != 0) {
2369                 rc = WEXITSTATUS(rc);
2370                 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
2371             }
2372         }
2373
2374         if (optind >= argc) {
2375                 /* flush for all mounted lustre fs. */
2376                 proc = fopen("/proc/mounts", "r");
2377                 if (!proc) {
2378                         fprintf(stderr, "error: %s: can't open /proc/mounts\n",
2379                                 argv[0]);
2380                         return -1;
2381                 }
2382
2383                 while ((line = fgets(procline, PATH_MAX, proc)) != NULL) {
2384                         char dev[PATH_MAX];
2385                         char mp[PATH_MAX];
2386                         char fs[PATH_MAX];
2387
2388                         if (sscanf(line, "%s %s %s", dev, mp, fs) != 3) {
2389                                 fprintf(stderr, "%s: unexpected format in "
2390                                                 "/proc/mounts\n",
2391                                         argv[0]);
2392                                 rc = -1;
2393                                 goto out;
2394                         }
2395
2396                         if (strcmp(fs, "lustre") != 0)
2397                                 continue;
2398                         /* we use '@' to determine it's a client. are there
2399                          * any other better way?
2400                          */
2401                         if (strchr(dev, '@') == NULL)
2402                                 continue;
2403
2404                         if (flushctx_ioctl(mp))
2405                                 rc = -1;
2406                 }
2407         } else {
2408                 /* flush fs as specified */
2409                 while (optind < argc) {
2410                         if (flushctx_ioctl(argv[optind++]))
2411                                 rc = -1;
2412                 }
2413         }
2414
2415 out:
2416         if (proc != NULL)
2417                 fclose(proc);
2418         return rc;
2419 }
2420
2421 static int lfs_lsetfacl(int argc, char **argv)
2422 {
2423         argv[0]++;
2424         return(llapi_lsetfacl(argc, argv));
2425 }
2426
2427 static int lfs_lgetfacl(int argc, char **argv)
2428 {
2429         argv[0]++;
2430         return(llapi_lgetfacl(argc, argv));
2431 }
2432
2433 static int lfs_rsetfacl(int argc, char **argv)
2434 {
2435         argv[0]++;
2436         return(llapi_rsetfacl(argc, argv));
2437 }
2438
2439 static int lfs_rgetfacl(int argc, char **argv)
2440 {
2441         argv[0]++;
2442         return(llapi_rgetfacl(argc, argv));
2443 }
2444
2445 static int lfs_cp(int argc, char **argv)
2446 {
2447         return(llapi_cp(argc, argv));
2448 }
2449
2450 static int lfs_ls(int argc, char **argv)
2451 {
2452         return(llapi_ls(argc, argv));
2453 }
2454
2455 static int lfs_changelog(int argc, char **argv)
2456 {
2457         void *changelog_priv;
2458         struct changelog_ext_rec *rec;
2459         long long startrec = 0, endrec = 0;
2460         char *mdd;
2461         struct option long_opts[] = {
2462                 {"follow", no_argument, 0, 'f'},
2463                 {0, 0, 0, 0}
2464         };
2465         char short_opts[] = "f";
2466         int rc, follow = 0;
2467
2468         optind = 0;
2469         while ((rc = getopt_long(argc, argv, short_opts,
2470                                 long_opts, NULL)) != -1) {
2471                 switch (rc) {
2472                 case 'f':
2473                         follow++;
2474                         break;
2475                 case '?':
2476                         return CMD_HELP;
2477                 default:
2478                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
2479                                 argv[0], argv[optind - 1]);
2480                         return CMD_HELP;
2481                 }
2482         }
2483         if (optind >= argc)
2484                 return CMD_HELP;
2485
2486         mdd = argv[optind++];
2487         if (argc > optind)
2488                 startrec = strtoll(argv[optind++], NULL, 10);
2489         if (argc > optind)
2490                 endrec = strtoll(argv[optind++], NULL, 10);
2491
2492         rc = llapi_changelog_start(&changelog_priv,
2493                                    CHANGELOG_FLAG_BLOCK |
2494                                    (follow ? CHANGELOG_FLAG_FOLLOW : 0),
2495                                    mdd, startrec);
2496         if (rc < 0) {
2497                 fprintf(stderr, "Can't start changelog: %s\n",
2498                         strerror(errno = -rc));
2499                 return rc;
2500         }
2501
2502         while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
2503                 time_t secs;
2504                 struct tm ts;
2505
2506                 if (endrec && rec->cr_index > endrec) {
2507                         llapi_changelog_free(&rec);
2508                         break;
2509                 }
2510                 if (rec->cr_index < startrec) {
2511                         llapi_changelog_free(&rec);
2512                         continue;
2513                 }
2514
2515                 secs = rec->cr_time >> 30;
2516                 gmtime_r(&secs, &ts);
2517                 printf(LPU64" %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d "
2518                        "0x%x t="DFID, rec->cr_index, rec->cr_type,
2519                        changelog_type2str(rec->cr_type),
2520                        ts.tm_hour, ts.tm_min, ts.tm_sec,
2521                        (int)(rec->cr_time & ((1<<30) - 1)),
2522                        ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
2523                        rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
2524                 if (rec->cr_namelen)
2525                         /* namespace rec includes parent and filename */
2526                         printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
2527                                 rec->cr_namelen, rec->cr_name);
2528                 if (fid_is_sane(&rec->cr_sfid))
2529                         printf(" s="DFID" sp="DFID" %.*s",
2530                                 PFID(&rec->cr_sfid), PFID(&rec->cr_spfid),
2531                                 changelog_rec_snamelen(rec),
2532                                 changelog_rec_sname(rec));
2533                 printf("\n");
2534
2535                 llapi_changelog_free(&rec);
2536         }
2537
2538         llapi_changelog_fini(&changelog_priv);
2539
2540         if (rc < 0)
2541                 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
2542
2543         return (rc == 1 ? 0 : rc);
2544 }
2545
2546 static int lfs_changelog_clear(int argc, char **argv)
2547 {
2548         long long endrec;
2549         int rc;
2550
2551         if (argc != 4)
2552                 return CMD_HELP;
2553
2554         endrec = strtoll(argv[3], NULL, 10);
2555
2556         rc = llapi_changelog_clear(argv[1], argv[2], endrec);
2557         if (rc)
2558                 fprintf(stderr, "%s error: %s\n", argv[0],
2559                         strerror(errno = -rc));
2560         return rc;
2561 }
2562
2563 static int lfs_fid2path(int argc, char **argv)
2564 {
2565         struct option long_opts[] = {
2566                 {"cur", no_argument, 0, 'c'},
2567                 {"link", required_argument, 0, 'l'},
2568                 {"rec", required_argument, 0, 'r'},
2569                 {0, 0, 0, 0}
2570         };
2571         char  short_opts[] = "cl:r:";
2572         char *device, *fid, *path;
2573         long long recno = -1;
2574         int linkno = -1;
2575         int lnktmp;
2576         int printcur = 0;
2577         int rc;
2578
2579         optind = 0;
2580
2581         while ((rc = getopt_long(argc, argv, short_opts,
2582                                 long_opts, NULL)) != -1) {
2583                 switch (rc) {
2584                 case 'c':
2585                         printcur++;
2586                         break;
2587                 case 'l':
2588                         linkno = strtol(optarg, NULL, 10);
2589                         break;
2590                 case 'r':
2591                         recno = strtoll(optarg, NULL, 10);
2592                         break;
2593                 case '?':
2594                         return CMD_HELP;
2595                 default:
2596                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
2597                                 argv[0], argv[optind - 1]);
2598                         return CMD_HELP;
2599                 }
2600         }
2601         device = argv[optind++];
2602         fid = argv[optind++];
2603         if (optind != argc)
2604                 return CMD_HELP;
2605
2606         path = calloc(1, PATH_MAX);
2607
2608         lnktmp = (linkno >= 0) ? linkno : 0;
2609         while (1) {
2610                 int oldtmp = lnktmp;
2611                 long long rectmp = recno;
2612                 rc = llapi_fid2path(device, fid, path, PATH_MAX, &rectmp,
2613                                     &lnktmp);
2614                 if (rc < 0) {
2615                         fprintf(stderr, "%s error: %s\n", argv[0],
2616                                 strerror(errno = -rc));
2617                         break;
2618                 }
2619
2620                 if (printcur)
2621                         fprintf(stdout, "%lld ", rectmp);
2622                 if (device[0] == '/') {
2623                         fprintf(stdout, "%s", device);
2624                         if (device[strlen(device) - 1] != '/')
2625                                 fprintf(stdout, "/");
2626                 } else if (path[0] == '\0') {
2627                         fprintf(stdout, "/");
2628                 }
2629                 fprintf(stdout, "%s\n", path);
2630
2631                 if (linkno >= 0)
2632                         /* specified linkno */
2633                         break;
2634                 if (oldtmp == lnktmp)
2635                         /* no more links */
2636                         break;
2637         }
2638
2639         free(path);
2640         return rc;
2641 }
2642
2643 static int lfs_path2fid(int argc, char **argv)
2644 {
2645         char *path;
2646         lustre_fid fid;
2647         int rc;
2648
2649         if (argc != 2)
2650                 return CMD_HELP;
2651
2652         path = argv[1];
2653         rc = llapi_path2fid(path, &fid);
2654         if (rc) {
2655                 fprintf(stderr, "can't get fid for %s: %s\n", path,
2656                         strerror(errno = -rc));
2657                 return rc;
2658         }
2659
2660         printf(DFID"\n", PFID(&fid));
2661
2662         return 0;
2663 }
2664
2665 static int lfs_data_version(int argc, char **argv)
2666 {
2667         char *path;
2668         __u64 data_version;
2669         int fd;
2670         int rc;
2671         int c;
2672         int nolock = 0;
2673
2674         if (argc < 2)
2675                 return CMD_HELP;
2676
2677         optind = 0;
2678         while ((c = getopt(argc, argv, "n")) != -1) {
2679                 switch (c) {
2680                 case 'n':
2681                         nolock = LL_DV_NOFLUSH;
2682                         break;
2683                 default:
2684                         return CMD_HELP;
2685                 }
2686         }
2687         if (optind == argc)
2688                 return CMD_HELP;
2689
2690         path = argv[optind];
2691         fd = open(path, O_RDONLY);
2692         if (fd < 0) {
2693                 fprintf(stderr, "can't open %s: %s\n", path,
2694                         strerror(errno));
2695                 return errno;
2696         }
2697
2698         rc = llapi_get_data_version(fd, &data_version, nolock);
2699         if (rc) {
2700                 fprintf(stderr, "can't get version for %s: %s\n", path,
2701                         strerror(errno = -rc));
2702         } else
2703                 printf(LPU64 "\n", data_version);
2704
2705         close(fd);
2706
2707         return rc;
2708 }
2709
2710 int main(int argc, char **argv)
2711 {
2712         int rc;
2713
2714         setlinebuf(stdout);
2715
2716         ptl_initialize(argc, argv);
2717         if (obd_initialize(argc, argv) < 0)
2718                 exit(2);
2719
2720         Parser_init("lfs > ", cmdlist);
2721
2722         if (argc > 1) {
2723                 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
2724         } else {
2725                 rc = Parser_commands();
2726         }
2727
2728         obd_finalize(argc, argv);
2729         return rc < 0 ? -rc : rc;
2730 }
2731