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, 2014, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * lustre/utils/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 <err.h>
  55 #include <pwd.h>
  56 #include <grp.h>
  57 #include <sys/quota.h>
  58 #include <sys/types.h>
  59 #include <sys/stat.h>
  60 #include <fcntl.h>
  61 #include <dirent.h>
  62 #include <time.h>
  63 #include <ctype.h>
  64 #ifdef HAVE_SYS_QUOTA_H
  65 # include <sys/quota.h>
  66 #endif
  67
  68 #include <libcfs/libcfs.h>
  69 #include <libcfs/libcfsutil.h>
  70 #include <lustre/lustreapi.h>
  71 #include <lustre_ver.h>
  72
  73 /* all functions */
  74 static int lfs_setstripe(int argc, char **argv);
  75 static int lfs_find(int argc, char **argv);
  76 static int lfs_getstripe(int argc, char **argv);
  77 static int lfs_getdirstripe(int argc, char **argv);
  78 static int lfs_setdirstripe(int argc, char **argv);
  79 static int lfs_rmentry(int argc, char **argv);
  80 static int lfs_osts(int argc, char **argv);
  81 static int lfs_mdts(int argc, char **argv);
  82 static int lfs_df(int argc, char **argv);
  83 static int lfs_getname(int argc, char **argv);
  84 static int lfs_check(int argc, char **argv);
  85 #ifdef HAVE_SYS_QUOTA_H
  86 static int lfs_quotacheck(int argc, char **argv);
  87 static int lfs_quotaon(int argc, char **argv);
  88 static int lfs_quotaoff(int argc, char **argv);
  89 static int lfs_setquota(int argc, char **argv);
  90 static int lfs_quota(int argc, char **argv);
  91 #endif
  92 static int lfs_flushctx(int argc, char **argv);
  93 static int lfs_join(int argc, char **argv);
  94 static int lfs_lsetfacl(int argc, char **argv);
  95 static int lfs_lgetfacl(int argc, char **argv);
  96 static int lfs_rsetfacl(int argc, char **argv);
  97 static int lfs_rgetfacl(int argc, char **argv);
  98 static int lfs_cp(int argc, char **argv);
  99 static int lfs_ls(int argc, char **argv);
 100 static int lfs_poollist(int argc, char **argv);
 101 static int lfs_changelog(int argc, char **argv);
 102 static int lfs_changelog_clear(int argc, char **argv);
 103 static int lfs_fid2path(int argc, char **argv);
 104 static int lfs_path2fid(int argc, char **argv);
 105 static int lfs_data_version(int argc, char **argv);
 106 static int lfs_hsm_state(int argc, char **argv);
 107 static int lfs_hsm_set(int argc, char **argv);
 108 static int lfs_hsm_clear(int argc, char **argv);
 109 static int lfs_hsm_action(int argc, char **argv);
 110 static int lfs_hsm_archive(int argc, char **argv);
 111 static int lfs_hsm_restore(int argc, char **argv);
 112 static int lfs_hsm_release(int argc, char **argv);
 113 static int lfs_hsm_remove(int argc, char **argv);
 114 static int lfs_hsm_cancel(int argc, char **argv);
 115 static int lfs_swap_layouts(int argc, char **argv);
 116 static int lfs_mv(int argc, char **argv);
 117
 118 #define SETSTRIPE_USAGE(_cmd, _tgt) \
 119         "usage: "_cmd" [--stripe-count|-c <stripe_count>]\n"\
 120         "                 [--stripe-index|-i <start_ost_idx>]\n"\
 121         "                 [--stripe-size|-S <stripe_size>]\n"\
 122         "                 [--pool|-p <pool_name>]\n"\
 123         "                 [--block|-b] "_tgt"\n"\
 124         "                 [--ost-list|-o <ost_indices>]\n"\
 125         "\tstripe_size:  Number of bytes on each OST (0 filesystem default)\n"\
 126         "\t              Can be specified with k, m or g (in KB, MB and GB\n"\
 127         "\t              respectively)\n"\
 128         "\tstart_ost_idx: OST index of first stripe (-1 default)\n"\
 129         "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"\
 130         "\tpool_name:    Name of OST pool to use (default none)\n"\
 131         "\tblock:        Block file access during data migration\n"\
 132         "\tost_indices:  List of OST indices, can be repeated multiple times\n"\
 133         "\t              Indices be specified in a format of:\n"\
 134         "\t                -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n"\
 135         "\t              Or:\n"\
 136         "\t                -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n"\
 137         "\t              If --pool is set with --ost-list, then the OSTs\n"\
 138         "\t              must be the members of the pool."
 139
 140 /* all avaialable commands */
 141 command_t cmdlist[] = {
 142         {"setstripe", lfs_setstripe, 0,
 143          "Create a new file with a specific striping pattern or\n"
 144          "set the default striping pattern on an existing directory or\n"
 145          "delete the default striping pattern from an existing directory\n"
 146          "usage: setstripe -d <directory>   (to delete default striping)\n"\
 147          " or\n"
 148          SETSTRIPE_USAGE("setstripe", "<directory|filename>")},
 149         {"getstripe", lfs_getstripe, 0,
 150          "To list the striping info for a given file or files in a\n"
 151          "directory or recursively for all files in a directory tree.\n"
 152          "usage: getstripe [--ost|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
 153          "                 [--stripe-count|-c] [--stripe-index|-i]\n"
 154          "                 [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
 155          "                 [--mdt-index|-M] [--recursive|-r] [--raw|-R]\n"
 156          "                 [--layout|-L]\n"
 157          "                 <directory|filename> ..."},
 158         {"setdirstripe", lfs_setdirstripe, 0,
 159          "To create a striped directory on a specified MDT. This can only\n"
 160          "be done on MDT0 with the right of administrator.\n"
 161          "usage: setdirstripe <--count|-c stripe_count>\n"
 162          "              [--index|-i mdt_index] [--hash-type|-t hash_type]\n"
 163          "              [--default_stripe|-D ] [--mode|-m mode] <dir>\n"
 164          "\tstripe_count: stripe count of the striped directory\n"
 165          "\tmdt_index:  MDT index of first stripe\n"
 166          "\thash_type:  hash type of the striped directory. Hash types:\n"
 167          "      fnv_1a_64 FNV-1a hash algorithm (default)\n"
 168          "      all_char  sum of characters % MDT_COUNT (not recommended)\n"
 169          "\tdefault_stripe: set default dirstripe of the directory\n"
 170          "\tmode: the mode of the directory\n"},
 171         {"getdirstripe", lfs_getdirstripe, 0,
 172          "To list the striping info for a given directory\n"
 173          "or recursively for all directories in a directory tree.\n"
 174          "usage: getdirstripe [--obd|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
 175          "               [--count|-c ] [--index|-i ] [--raw|-R]\n"
 176          "               [--recursive | -r] [ --default_stripe | -D ] <dir> "},
 177         {"mkdir", lfs_setdirstripe, 0,
 178          "To create a striped directory on a specified MDT. This can only\n"
 179          "be done on MDT0 with the right of administrator.\n"
 180          "usage: mkdir <--count|-c stripe_count>\n"
 181          "              [--index|-i mdt_index] [--hash-type|-t hash_type]\n"
 182          "              [--default_stripe|-D ] [--mode|-m mode] <dir>\n"
 183          "\tstripe_count: stripe count of the striped directory\n"
 184          "\tmdt_index:  MDT index of first stripe\n"
 185          "\thash_type:  hash type of the striped directory. Hash types:\n"
 186          "      fnv_1a_64 FNV-1a hash algorithm (default)\n"
 187          "      all_char  sum of characters % MDT_COUNT (not recommended)\n"
 188          "\tdefault_stripe: set default dirstripe of the directory\n"
 189          "\tmode: the mode of the directory\n"},
 190         {"rm_entry", lfs_rmentry, 0,
 191          "To remove the name entry of the remote directory. Note: This\n"
 192          "command will only delete the name entry, i.e. the remote directory\n"
 193          "will become inaccessable after this command. This can only be done\n"
 194          "by the administrator\n"
 195          "usage: rm_entry <dir>\n"},
 196         {"pool_list", lfs_poollist, 0,
 197          "List pools or pool OSTs\n"
 198          "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
 199         {"find", lfs_find, 0,
 200          "find files matching given attributes recursively in directory tree.\n"
 201          "usage: find <directory|filename> ...\n"
 202          "     [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
 203          "     [[!] --mtime|-M [+-]N] [[!] --mdt|-m <uuid|index,...>]\n"
 204          "     [--maxdepth|-D N] [[!] --name|-n <pattern>]\n"
 205          "     [[!] --ost|-O <uuid|index,...>] [--print|-p] [--print0|-P]\n"
 206          "     [[!] --size|-s [+-]N[bkMGTPE]]\n"
 207          "     [[!] --stripe-count|-c [+-]<stripes>]\n"
 208          "     [[!] --stripe-index|-i <index,...>]\n"
 209          "     [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
 210          "     [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
 211          "     [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
 212          "     [[!] --layout|-L released,raid0]\n"
 213          "\t !: used before an option indicates 'NOT' requested attribute\n"
 214          "\t -: used before a value indicates 'AT MOST' requested value\n"
 215          "\t +: used before a value indicates 'AT LEAST' requested value\n"},
 216         {"check", lfs_check, 0,
 217          "Display the status of MDS or OSTs (as specified in the command)\n"
 218          "or all the servers (MDS and OSTs).\n"
 219          "usage: check <osts|mds|servers>"},
 220         {"join", lfs_join, 0,
 221          "join two lustre files into one.\n"
 222          "obsolete, HEAD does not support it anymore.\n"},
 223         {"osts", lfs_osts, 0, "list OSTs connected to client "
 224          "[for specified path only]\n" "usage: osts [path]"},
 225         {"mdts", lfs_mdts, 0, "list MDTs connected to client "
 226          "[for specified path only]\n" "usage: mdts [path]"},
 227         {"df", lfs_df, 0,
 228          "report filesystem disk space usage or inodes usage"
 229          "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
 230          "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
 231         {"getname", lfs_getname, 0, "list instances and specified mount points "
 232          "[for specified path only]\n"
 233          "Usage: getname [-h]|[path ...] "},
 234 #ifdef HAVE_SYS_QUOTA_H
 235         {"quotacheck", lfs_quotacheck, 0,
 236          "Scan the specified filesystem for disk usage, and create,\n"
 237          "or update quota files. Deprecated as of 2.4.0.\n"
 238          "usage: quotacheck [ -ug ] <filesystem>"},
 239         {"quotaon", lfs_quotaon, 0, "Turn filesystem"
 240          " quotas on. Deprecated as of 2.4.0.\n"
 241          "usage: quotaon [ -ugf ] <filesystem>"},
 242         {"quotaoff", lfs_quotaoff, 0, "Turn filesystem"
 243          " quotas off. Deprecated as of 2.4.0.\n"
 244          "usage: quotaoff [ -ug ] <filesystem>"},
 245         {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
 246          "usage: setquota <-u|-g> <uname>|<uid>|<gname>|<gid>\n"
 247          "                -b <block-softlimit> -B <block-hardlimit>\n"
 248          "                -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
 249          "       setquota <-u|--user|-g|--group> <uname>|<uid>|<gname>|<gid>\n"
 250          "                [--block-softlimit <block-softlimit>]\n"
 251          "                [--block-hardlimit <block-hardlimit>]\n"
 252          "                [--inode-softlimit <inode-softlimit>]\n"
 253          "                [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
 254          "       setquota [-t] <-u|--user|-g|--group>\n"
 255          "                [--block-grace <block-grace>]\n"
 256          "                [--inode-grace <inode-grace>] <filesystem>\n"
 257          "       -b can be used instead of --block-softlimit/--block-grace\n"
 258          "       -B can be used instead of --block-hardlimit\n"
 259          "       -i can be used instead of --inode-softlimit/--inode-grace\n"
 260          "       -I can be used instead of --inode-hardlimit\n\n"
 261          "Note: The total quota space will be split into many qunits and\n"
 262          "      balanced over all server targets, the minimal qunit size is\n"
 263          "      1M bytes for block space and 1K inodes for inode space.\n\n"
 264          "      Quota space rebalancing process will stop when this mininum\n"
 265          "      value is reached. As a result, quota exceeded can be returned\n"
 266          "      while many targets still have 1MB or 1K inodes of spare\n"
 267          "      quota space."},
 268         {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
 269          "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
 270                        "<ost_idx>]\n"
 271          "             [<-u|-g> <uname>|<uid>|<gname>|<gid>] <filesystem>\n"
 272          "       quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g> <filesystem>"},
 273 #endif
 274         {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
 275          "usage: flushctx [-k] [mountpoint...]"},
 276         {"lsetfacl", lfs_lsetfacl, 0,
 277          "Remote user setfacl for user/group on the same remote client.\n"
 278          "usage: lsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 279         {"lgetfacl", lfs_lgetfacl, 0,
 280          "Remote user getfacl for user/group on the same remote client.\n"
 281          "usage: lgetfacl [-dRLPvh] file ..."},
 282         {"rsetfacl", lfs_rsetfacl, 0,
 283          "Remote user setfacl for user/group on other clients.\n"
 284          "usage: rsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 285         {"rgetfacl", lfs_rgetfacl, 0,
 286          "Remote user getfacl for user/group on other clients.\n"
 287          "usage: rgetfacl [-dRLPvh] file ..."},
 288         {"cp", lfs_cp, 0,
 289          "Remote user copy files and directories.\n"
 290          "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
 291         {"ls", lfs_ls, 0,
 292          "Remote user list directory contents.\n"
 293          "usage: ls [OPTION]... [FILE]..."},
 294         {"changelog", lfs_changelog, 0,
 295          "Show the metadata changes on an MDT."
 296          "\nusage: changelog <mdtname> [startrec [endrec]]"},
 297         {"changelog_clear", lfs_changelog_clear, 0,
 298          "Indicate that old changelog records up to <endrec> are no longer of "
 299          "interest to consumer <id>, allowing the system to free up space.\n"
 300          "An <endrec> of 0 means all records.\n"
 301          "usage: changelog_clear <mdtname> <id> <endrec>"},
 302         {"fid2path", lfs_fid2path, 0,
 303          "Resolve the full path(s) for given FID(s). For a specific hardlink "
 304          "specify link number <linkno>.\n"
 305         /* "For a historical link name, specify changelog record <recno>.\n" */
 306          "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
 307                 /* [ --rec <recno> ] */ },
 308         {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
 309          "usage: path2fid [--parents] <path> ..."},
 310         {"data_version", lfs_data_version, 0, "Display file data version for "
 311          "a given path.\n" "usage: data_version -[n|r|w] <path>"},
 312         {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
 313          "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
 314         {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
 315          "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
 316          "[--archived] [--lost] <file> ..."},
 317         {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
 318          "files.\n"
 319          "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
 320          "[--archived] [--lost] <file> ..."},
 321         {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
 322          "given files.\n" "usage: hsm_action <file> ..."},
 323         {"hsm_archive", lfs_hsm_archive, 0,
 324          "Archive file to external storage.\n"
 325          "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
 326          "<file> ..."},
 327         {"hsm_restore", lfs_hsm_restore, 0,
 328          "Restore file from external storage.\n"
 329          "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
 330         {"hsm_release", lfs_hsm_release, 0,
 331          "Release files from Lustre.\n"
 332          "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
 333         {"hsm_remove", lfs_hsm_remove, 0,
 334          "Remove file copy from external storage.\n"
 335          "usage: hsm_remove [--filelist FILELIST] [--data DATA] <file> ..."},
 336         {"hsm_cancel", lfs_hsm_cancel, 0,
 337          "Cancel requests related to specified files.\n"
 338          "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
 339         {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
 340          "usage: swap_layouts <path1> <path2>"},
 341         {"migrate", lfs_setstripe, 0, "migrate file from one OST layout to "
 342          "another (may be not safe with concurent writes).\n"
 343          SETSTRIPE_USAGE("migrate  ", "<filename>")},
 344         {"mv", lfs_mv, 0,
 345          "To move directories between MDTs.\n"
 346          "usage: mv <directory|filename> [--mdt-index|-M] <mdt_index> "
 347          "[--verbose|-v]\n"},
 348         {"help", Parser_help, 0, "help"},
 349         {"exit", Parser_quit, 0, "quit"},
 350         {"quit", Parser_quit, 0, "quit"},
 351         {"--version", Parser_version, 0,
 352          "output build version of the utility and exit"},
 353         { 0, 0, 0, NULL }
 354 };
 355
 356 /* Generate a random id for the grouplock */
 357 static int random_group_id(int *gid)
 358 {
 359         int     fd;
 360         int     rc;
 361         size_t  sz = sizeof(*gid);
 362
 363         fd = open("/dev/urandom", O_RDONLY);
 364         if (fd < 0) {
 365                 rc = -errno;
 366                 fprintf(stderr, "cannot open /dev/urandom: %s\n",
 367                         strerror(-rc));
 368                 goto out;
 369         }
 370
 371 retry:
 372         rc = read(fd, gid, sz);
 373         if (rc < sz) {
 374                 rc = -errno;
 375                 fprintf(stderr, "cannot read %zu bytes from /dev/urandom: %s\n",
 376                         sz, strerror(-rc));
 377                 goto out;
 378         }
 379
 380         /* gids must be non-zero */
 381         if (*gid == 0)
 382                 goto retry;
 383
 384 out:
 385         if (fd >= 0)
 386                 close(fd);
 387
 388         return rc;
 389 }
 390
 391 #define MIGRATION_BLOCKS 1
 392
 393 static int lfs_migrate(char *name, __u64 migration_flags,
 394                        struct llapi_stripe_param *param)
 395 {
 396         int                      fd, fdv;
 397         char                     volatile_file[PATH_MAX +
 398                                                 LUSTRE_VOLATILE_HDR_LEN + 4];
 399         char                     parent[PATH_MAX];
 400         char                    *ptr;
 401         int                      rc;
 402         __u64                    dv1;
 403         struct lov_user_md      *lum = NULL;
 404         int                      lumsz;
 405         int                      bufsz;
 406         void                    *buf = NULL;
 407         int                      rsize, wsize;
 408         __u64                    rpos, wpos, bufoff;
 409         int                      gid;
 410         int                      have_gl = 0;
 411         struct stat              st, stv;
 412
 413         /* find the right size for the IO and allocate the buffer */
 414         lumsz = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
 415         lum = malloc(lumsz);
 416         if (lum == NULL) {
 417                 rc = -ENOMEM;
 418                 goto free;
 419         }
 420
 421         rc = llapi_file_get_stripe(name, lum);
 422         /* failure can come from may case and some may be not real error
 423          * (eg: no stripe)
 424          * in case of a real error, a later call will failed with a better
 425          * error management */
 426         if (rc < 0)
 427                 bufsz = 1024*1024;
 428         else
 429                 bufsz = lum->lmm_stripe_size;
 430         rc = posix_memalign(&buf, getpagesize(), bufsz);
 431         if (rc != 0) {
 432                 rc = -rc;
 433                 goto free;
 434         }
 435
 436         if (migration_flags & MIGRATION_BLOCKS) {
 437                 rc = random_group_id(&gid);
 438                 if (rc < 0) {
 439                         fprintf(stderr, "%s: cannot get random group ID: %s\n",
 440                                 name, strerror(-rc));
 441                         goto free;
 442                 }
 443         }
 444
 445         /* search for file directory pathname */
 446         if (strlen(name) > sizeof(parent)-1) {
 447                 rc = -E2BIG;
 448                 goto free;
 449         }
 450         strncpy(parent, name, sizeof(parent));
 451         ptr = strrchr(parent, '/');
 452         if (ptr == NULL) {
 453                 if (getcwd(parent, sizeof(parent)) == NULL) {
 454                         rc = -errno;
 455                         goto free;
 456                 }
 457         } else {
 458                 if (ptr == parent)
 459                         strcpy(parent, "/");
 460                 else
 461                         *ptr = '\0';
 462         }
 463         rc = snprintf(volatile_file, sizeof(volatile_file), "%s/%s::", parent,
 464                       LUSTRE_VOLATILE_HDR);
 465         if (rc >= sizeof(volatile_file)) {
 466                 rc = -E2BIG;
 467                 goto free;
 468         }
 469
 470         /* create, open a volatile file, use caching (ie no directio) */
 471         /* exclusive create is not needed because volatile files cannot
 472          * conflict on name by construction */
 473         fdv = llapi_file_open_param(volatile_file, O_CREAT | O_WRONLY, 0644,
 474                                     param);
 475         if (fdv < 0) {
 476                 rc = fdv;
 477                 fprintf(stderr, "cannot create volatile file in %s (%s)\n",
 478                         parent, strerror(-rc));
 479                 goto free;
 480         }
 481
 482         /* open file, direct io */
 483         /* even if the file is only read, WR mode is nedeed to allow
 484          * layout swap on fd */
 485         fd = open(name, O_RDWR | O_DIRECT);
 486         if (fd == -1) {
 487                 rc = -errno;
 488                 fprintf(stderr, "cannot open %s (%s)\n", name, strerror(-rc));
 489                 close(fdv);
 490                 goto free;
 491         }
 492
 493         /* Not-owner (root?) special case.
 494          * Need to set owner/group of volatile file like original.
 495          * This will allow to pass related check during layout_swap.
 496          */
 497         rc = fstat(fd, &st);
 498         if (rc != 0) {
 499                 rc = -errno;
 500                 fprintf(stderr, "cannot stat %s (%s)\n", name,
 501                         strerror(errno));
 502                 goto error;
 503         }
 504         rc = fstat(fdv, &stv);
 505         if (rc != 0) {
 506                 rc = -errno;
 507                 fprintf(stderr, "cannot stat %s (%s)\n", volatile_file,
 508                         strerror(errno));
 509                 goto error;
 510         }
 511         if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
 512                 rc = fchown(fdv, st.st_uid, st.st_gid);
 513                 if (rc != 0) {
 514                         rc = -errno;
 515                         fprintf(stderr, "cannot chown %s (%s)\n", name,
 516                                 strerror(errno));
 517                         goto error;
 518                 }
 519         }
 520
 521         /* get file data version */
 522         rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
 523         if (rc != 0) {
 524                 fprintf(stderr, "cannot get dataversion on %s (%s)\n",
 525                         name, strerror(-rc));
 526                 goto error;
 527         }
 528
 529         if (migration_flags & MIGRATION_BLOCKS) {
 530                 /* take group lock to limit concurent access
 531                  * this will be no more needed when exclusive access will
 532                  * be implemented (see LU-2919) */
 533                 /* group lock is taken after data version read because it
 534                  * blocks data version call */
 535                 rc = llapi_group_lock(fd, gid);
 536                 if (rc < 0) {
 537                         fprintf(stderr, "cannot get group lock on %s (%s)\n",
 538                                 name, strerror(-rc));
 539                         goto error;
 540                 }
 541                 have_gl = 1;
 542         }
 543
 544         /* copy data */
 545         rpos = 0;
 546         wpos = 0;
 547         bufoff = 0;
 548         rsize = -1;
 549         do {
 550                 /* read new data only if we have written all
 551                  * previously read data */
 552                 if (wpos == rpos) {
 553                         rsize = read(fd, buf, bufsz);
 554                         if (rsize < 0) {
 555                                 rc = -errno;
 556                                 fprintf(stderr, "read failed on %s"
 557                                         " (%s)\n", name,
 558                                         strerror(-rc));
 559                                 goto error;
 560                         }
 561                         rpos += rsize;
 562                         bufoff = 0;
 563                 }
 564                 /* eof ? */
 565                 if (rsize == 0)
 566                         break;
 567                 wsize = write(fdv, buf + bufoff, rpos - wpos);
 568                 if (wsize < 0) {
 569                         rc = -errno;
 570                         fprintf(stderr, "write failed on volatile"
 571                                 " for %s (%s)\n", name, strerror(-rc));
 572                         goto error;
 573                 }
 574                 wpos += wsize;
 575                 bufoff += wsize;
 576         } while (1);
 577
 578         /* flush data */
 579         fsync(fdv);
 580
 581         if (migration_flags & MIGRATION_BLOCKS) {
 582                 /* give back group lock */
 583                 rc = llapi_group_unlock(fd, gid);
 584                 if (rc < 0)
 585                         fprintf(stderr, "cannot put group lock on %s (%s)\n",
 586                                 name, strerror(-rc));
 587                 have_gl = 0;
 588         }
 589
 590         /* swap layouts
 591          * for a migration we need to:
 592          * - check data version on file did not change
 593          * - keep file mtime
 594          * - keep file atime
 595          */
 596         rc = llapi_fswap_layouts(fd, fdv, dv1, 0,
 597                                  SWAP_LAYOUTS_CHECK_DV1 |
 598                                  SWAP_LAYOUTS_KEEP_MTIME |
 599                                  SWAP_LAYOUTS_KEEP_ATIME);
 600         if (rc == -EAGAIN) {
 601                 fprintf(stderr, "%s: dataversion changed during copy, "
 602                         "migration aborted\n", name);
 603                 goto error;
 604         }
 605         if (rc != 0)
 606                 fprintf(stderr, "%s: swap layout to new file failed: %s\n",
 607                         name, strerror(-rc));
 608
 609 error:
 610         /* give back group lock */
 611         if ((migration_flags & MIGRATION_BLOCKS) && have_gl) {
 612                 int rc2;
 613
 614                 /* we keep the original error in rc */
 615                 rc2 = llapi_group_unlock(fd, gid);
 616                 if (rc2 < 0)
 617                         fprintf(stderr, "cannot put group lock on %s (%s)\n",
 618                                 name, strerror(-rc2));
 619         }
 620
 621         close(fdv);
 622         close(fd);
 623 free:
 624         if (lum)
 625                 free(lum);
 626         if (buf)
 627                 free(buf);
 628         return rc;
 629 }
 630
 631 /**
 632  * Parse a string containing an OST index list into an array of integers.
 633  *
 634  * The input string contains a comma delimited list of individual
 635  * indices and ranges, for example "1,2-4,7". Add the indices into the
 636  * \a osts array and remove duplicates.
 637  *
 638  * \param[out] osts    array to store indices in
 639  * \param[in] size     size of \a osts array
 640  * \param[in] offset   starting index in \a osts
 641  * \param[in] arg      string containing OST index list
 642  *
 643  * \retval positive    number of indices in \a osts
 644  * \retval -EINVAL     unable to parse \a arg
 645  */
 646 static int parse_targets(__u32 *osts, int size, int offset, char *arg)
 647 {
 648         int rc;
 649         int nr = offset;
 650         int slots = size - offset;
 651         char *ptr = NULL;
 652         bool end_of_loop;
 653
 654         if (arg == NULL)
 655                 return -EINVAL;
 656
 657         end_of_loop = false;
 658         while (!end_of_loop) {
 659                 int start_index;
 660                 int end_index;
 661                 int i;
 662                 char *endptr = NULL;
 663
 664                 rc = -EINVAL;
 665
 666                 ptr = strchrnul(arg, ',');
 667
 668                 end_of_loop = *ptr == '\0';
 669                 *ptr = '\0';
 670
 671                 start_index = strtol(arg, &endptr, 0);
 672                 if (endptr == arg) /* no data at all */
 673                         break;
 674                 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
 675                         break;
 676                 if (start_index < 0)
 677                         break;
 678
 679                 end_index = start_index;
 680                 if (*endptr == '-') {
 681                         end_index = strtol(endptr + 1, &endptr, 0);
 682                         if (*endptr != '\0')
 683                                 break;
 684                         if (end_index < start_index)
 685                                 break;
 686                 }
 687
 688                 for (i = start_index; i <= end_index && slots > 0; i++) {
 689                         int j;
 690
 691                         /* remove duplicate */
 692                         for (j = 0; j < offset; j++) {
 693                                 if (osts[j] == i)
 694                                         break;
 695                         }
 696                         if (j == offset) { /* no duplicate */
 697                                 osts[nr++] = i;
 698                                 --slots;
 699                         }
 700                 }
 701                 if (slots == 0 && i < end_index)
 702                         break;
 703
 704                 *ptr = ',';
 705                 arg = ++ptr;
 706                 offset = nr;
 707                 rc = 0;
 708         }
 709         if (!end_of_loop && ptr != NULL)
 710                 *ptr = ',';
 711
 712         return rc < 0 ? rc : nr;
 713 }
 714
 715 /* functions */
 716 static int lfs_setstripe(int argc, char **argv)
 717 {
 718         struct llapi_stripe_param       *param;
 719         char                            *fname;
 720         int                              result;
 721         unsigned long long               st_size;
 722         int                              st_offset, st_count;
 723         char                            *end;
 724         int                              c;
 725         int                              delete = 0;
 726         char                            *stripe_size_arg = NULL;
 727         char                            *stripe_off_arg = NULL;
 728         char                            *stripe_count_arg = NULL;
 729         char                            *pool_name_arg = NULL;
 730         unsigned long long               size_units = 1;
 731         bool                             migrate_mode = false;
 732         __u64                            migration_flags = 0;
 733         __u32                            osts[LOV_MAX_STRIPE_COUNT] = { 0 };
 734         int                              nr_osts = 0;
 735
 736         struct option            long_opts[] = {
 737                 /* valid only in migrate mode */
 738                 {"block",        no_argument,       0, 'b'},
 739 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
 740                 /* This formerly implied "stripe-count", but was explicitly
 741                  * made "stripe-count" for consistency with other options,
 742                  * and to separate it from "mdt-count" when DNE arrives. */
 743                 {"count",        required_argument, 0, 'c'},
 744 #endif
 745                 {"stripe-count", required_argument, 0, 'c'},
 746                 {"stripe_count", required_argument, 0, 'c'},
 747                 {"delete",       no_argument,       0, 'd'},
 748 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
 749                 /* This formerly implied "stripe-index", but was explicitly
 750                  * made "stripe-index" for consistency with other options,
 751                  * and to separate it from "mdt-index" when DNE arrives. */
 752                 {"index",        required_argument, 0, 'i'},
 753 #endif
 754                 {"stripe-index", required_argument, 0, 'i'},
 755                 {"stripe_index", required_argument, 0, 'i'},
 756                 {"ost-list",     required_argument, 0, 'o'},
 757                 {"ost_list",     required_argument, 0, 'o'},
 758                 {"pool",         required_argument, 0, 'p'},
 759 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
 760                 /* This formerly implied "--stripe-size", but was confusing
 761                  * with "lfs find --size|-s", which means "file size", so use
 762                  * the consistent "--stripe-size|-S" for all commands. */
 763                 {"size",         required_argument, 0, 's'},
 764 #endif
 765                 {"stripe-size",  required_argument, 0, 'S'},
 766                 {"stripe_size",  required_argument, 0, 'S'},
 767                 {0, 0, 0, 0}
 768         };
 769
 770         st_size = 0;
 771         st_offset = -1;
 772         st_count = 0;
 773
 774         if (strcmp(argv[0], "migrate") == 0)
 775                 migrate_mode = true;
 776
 777         while ((c = getopt_long(argc, argv, "c:di:o:p:s:S:",
 778                                 long_opts, NULL)) >= 0) {
 779                 switch (c) {
 780                 case 0:
 781                         /* Long options. */
 782                         break;
 783                 case 'b':
 784                         if (!migrate_mode) {
 785                                 fprintf(stderr, "--block is valid only for"
 786                                                 " migrate mode");
 787                                 return CMD_HELP;
 788                         }
 789                         migration_flags |= MIGRATION_BLOCKS;
 790                         break;
 791                 case 'c':
 792 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
 793                         if (strcmp(argv[optind - 1], "--count") == 0)
 794                                 fprintf(stderr, "warning: '--count' deprecated"
 795                                         ", use '--stripe-count' instead\n");
 796 #endif
 797                         stripe_count_arg = optarg;
 798                         break;
 799                 case 'd':
 800                         /* delete the default striping pattern */
 801                         delete = 1;
 802                         break;
 803                 case 'o':
 804                         nr_osts = parse_targets(osts, ARRAY_SIZE(osts), nr_osts,
 805                                                 optarg);
 806                         if (nr_osts < 0) {
 807                                 fprintf(stderr,
 808                                         "error: %s: bad OST indices '%s'\n",
 809                                         argv[0], optarg);
 810                                 return CMD_HELP;
 811                         }
 812
 813                         if (st_offset == -1) /* first in the command line */
 814                                 st_offset = osts[0];
 815                         break;
 816                 case 'i':
 817 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
 818                         if (strcmp(argv[optind - 1], "--index") == 0)
 819                                 fprintf(stderr, "warning: '--index' deprecated"
 820                                         ", use '--stripe-index' instead\n");
 821 #endif
 822                         stripe_off_arg = optarg;
 823                         break;
 824 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
 825                 case 's':
 826 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
 827                         fprintf(stderr, "warning: '--size|-s' deprecated, "
 828                                 "use '--stripe-size|-S' instead\n");
 829 #endif
 830 #endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0) */
 831                 case 'S':
 832                         stripe_size_arg = optarg;
 833                         break;
 834                 case 'p':
 835                         pool_name_arg = optarg;
 836                         break;
 837                 default:
 838                         return CMD_HELP;
 839                 }
 840         }
 841
 842         fname = argv[optind];
 843
 844         if (delete &&
 845             (stripe_size_arg != NULL || stripe_off_arg != NULL ||
 846              stripe_count_arg != NULL || pool_name_arg != NULL)) {
 847                 fprintf(stderr, "error: %s: cannot specify -d with "
 848                         "-s, -c, -o, or -p options\n",
 849                         argv[0]);
 850                 return CMD_HELP;
 851         }
 852
 853         if (optind == argc) {
 854                 fprintf(stderr, "error: %s: missing filename|dirname\n",
 855                         argv[0]);
 856                 return CMD_HELP;
 857         }
 858
 859         /* get the stripe size */
 860         if (stripe_size_arg != NULL) {
 861                 result = llapi_parse_size(stripe_size_arg, &st_size,
 862                                           &size_units, 0);
 863                 if (result) {
 864                         fprintf(stderr, "error: %s: bad stripe size '%s'\n",
 865                                 argv[0], stripe_size_arg);
 866                         return result;
 867                 }
 868         }
 869         /* get the stripe offset */
 870         if (stripe_off_arg != NULL) {
 871                 st_offset = strtol(stripe_off_arg, &end, 0);
 872                 if (*end != '\0') {
 873                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
 874                                 argv[0], stripe_off_arg);
 875                         return CMD_HELP;
 876                 }
 877         }
 878         /* get the stripe count */
 879         if (stripe_count_arg != NULL) {
 880                 st_count = strtoul(stripe_count_arg, &end, 0);
 881                 if (*end != '\0') {
 882                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
 883                                 argv[0], stripe_count_arg);
 884                         return CMD_HELP;
 885                 }
 886         }
 887
 888         /* initialize stripe parameters */
 889         param = calloc(1, offsetof(typeof(*param), lsp_osts[nr_osts]));
 890         if (param == NULL) {
 891                 fprintf(stderr, "error: %s: run out of memory\n", argv[0]);
 892                 return CMD_HELP;
 893         }
 894
 895         param->lsp_stripe_size = st_size;
 896         param->lsp_stripe_offset = st_offset;
 897         param->lsp_stripe_count = st_count;
 898         param->lsp_stripe_pattern = 0;
 899         param->lsp_pool = pool_name_arg;
 900         param->lsp_is_specific = false;
 901         if (nr_osts > 0) {
 902                 if (st_count > 0 && nr_osts != st_count) {
 903                         fprintf(stderr, "error: %s: stripe count '%d' doesn't "
 904                                 "match the number of OSTs: %d\n",
 905                                 argv[0], st_count, nr_osts);
 906                         return CMD_HELP;
 907                 }
 908
 909                 param->lsp_is_specific = true;
 910                 param->lsp_stripe_count = nr_osts;
 911                 memcpy(param->lsp_osts, osts, sizeof(*osts) * nr_osts);
 912         }
 913
 914         do {
 915                 if (!migrate_mode) {
 916                         result = llapi_file_open_param(fname,
 917                                                        O_CREAT | O_WRONLY,
 918                                                        0644, param);
 919                         if (result >= 0) {
 920                                 close(result);
 921                                 result = 0;
 922                         }
 923                 } else {
 924                         result = lfs_migrate(fname, migration_flags, param);
 925                 }
 926                 if (result) {
 927                         fprintf(stderr,
 928                                 "error: %s: %s stripe file '%s' failed\n",
 929                                 argv[0], migrate_mode ? "migrate" : "create",
 930                                 fname);
 931                         break;
 932                 }
 933                 fname = argv[++optind];
 934         } while (fname != NULL);
 935
 936         free(param);
 937         return result;
 938 }
 939
 940 static int lfs_poollist(int argc, char **argv)
 941 {
 942         if (argc != 2)
 943                 return CMD_HELP;
 944
 945         return llapi_poollist(argv[1]);
 946 }
 947
 948 static int set_time(time_t *time, time_t *set, char *str)
 949 {
 950         time_t t;
 951         int res = 0;
 952
 953         if (str[0] == '+')
 954                 res = 1;
 955         else if (str[0] == '-')
 956                 res = -1;
 957
 958         if (res)
 959                 str++;
 960
 961         t = strtol(str, NULL, 0);
 962         if (*time < t * 24 * 60 * 60) {
 963                 if (res)
 964                         str--;
 965                 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
 966                 return INT_MAX;
 967         }
 968
 969         *set = *time - t * 24 * 60 * 60;
 970         return res;
 971 }
 972
 973 #define USER 0
 974 #define GROUP 1
 975
 976 static int name2id(unsigned int *id, char *name, int type)
 977 {
 978         if (type == USER) {
 979                 struct passwd *entry;
 980
 981                 if (!(entry = getpwnam(name))) {
 982                         if (!errno)
 983                                 errno = ENOENT;
 984                         return -1;
 985                 }
 986
 987                 *id = entry->pw_uid;
 988         } else {
 989                 struct group *entry;
 990
 991                 if (!(entry = getgrnam(name))) {
 992                         if (!errno)
 993                                 errno = ENOENT;
 994                         return -1;
 995                 }
 996
 997                 *id = entry->gr_gid;
 998         }
 999
1000         return 0;
1001 }
1002
1003 static int id2name(char **name, unsigned int id, int type)
1004 {
1005         if (type == USER) {
1006                 struct passwd *entry;
1007
1008                 if (!(entry = getpwuid(id))) {
1009                         if (!errno)
1010                                 errno = ENOENT;
1011                         return -1;
1012                 }
1013
1014                 *name = entry->pw_name;
1015         } else {
1016                 struct group *entry;
1017
1018                 if (!(entry = getgrgid(id))) {
1019                         if (!errno)
1020                                 errno = ENOENT;
1021                         return -1;
1022                 }
1023
1024                 *name = entry->gr_name;
1025         }
1026
1027         return 0;
1028 }
1029
1030 static int name2layout(__u32 *layout, char *name)
1031 {
1032         char *ptr, *lyt;
1033
1034         *layout = 0;
1035         for (ptr = name; ; ptr = NULL) {
1036                 lyt = strtok(ptr, ",");
1037                 if (lyt == NULL)
1038                         break;
1039                 if (strcmp(lyt, "released") == 0)
1040                         *layout |= LOV_PATTERN_F_RELEASED;
1041                 else if (strcmp(lyt, "raid0") == 0)
1042                         *layout |= LOV_PATTERN_RAID0;
1043                 else
1044                         return -1;
1045         }
1046         return 0;
1047 }
1048
1049 #define FIND_POOL_OPT 3
1050 static int lfs_find(int argc, char **argv)
1051 {
1052         int c, rc;
1053         int ret = 0;
1054         time_t t;
1055         struct find_param param = {
1056                 .fp_max_depth = -1,
1057                 .fp_quiet = 1,
1058         };
1059         struct option long_opts[] = {
1060                 {"atime",        required_argument, 0, 'A'},
1061                 {"stripe-count", required_argument, 0, 'c'},
1062                 {"stripe_count", required_argument, 0, 'c'},
1063                 {"ctime",        required_argument, 0, 'C'},
1064                 {"maxdepth",     required_argument, 0, 'D'},
1065                 {"gid",          required_argument, 0, 'g'},
1066                 {"group",        required_argument, 0, 'G'},
1067                 {"stripe-index", required_argument, 0, 'i'},
1068                 {"stripe_index", required_argument, 0, 'i'},
1069                 {"layout",       required_argument, 0, 'L'},
1070                 {"mdt",          required_argument, 0, 'm'},
1071                 {"mtime",        required_argument, 0, 'M'},
1072                 {"name",         required_argument, 0, 'n'},
1073      /* reserve {"or",           no_argument,     , 0, 'o'}, to match find(1) */
1074                 {"obd",          required_argument, 0, 'O'},
1075                 {"ost",          required_argument, 0, 'O'},
1076                 /* no short option for pool, p/P already used */
1077                 {"pool",         required_argument, 0, FIND_POOL_OPT},
1078                 {"print0",       no_argument,       0, 'p'},
1079                 {"print",        no_argument,       0, 'P'},
1080                 {"size",         required_argument, 0, 's'},
1081                 {"stripe-size",  required_argument, 0, 'S'},
1082                 {"stripe_size",  required_argument, 0, 'S'},
1083                 {"type",         required_argument, 0, 't'},
1084                 {"uid",          required_argument, 0, 'u'},
1085                 {"user",         required_argument, 0, 'U'},
1086                 {0, 0, 0, 0}
1087         };
1088         int pathstart = -1;
1089         int pathend = -1;
1090         int neg_opt = 0;
1091         time_t *xtime;
1092         int *xsign;
1093         int isoption;
1094         char *endptr;
1095
1096         time(&t);
1097
1098         /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
1099         while ((c = getopt_long_only(argc, argv,
1100                                      "-A:c:C:D:g:G:i:L:m:M:n:O:Ppqrs:S:t:u:U:v",
1101                                      long_opts, NULL)) >= 0) {
1102                 xtime = NULL;
1103                 xsign = NULL;
1104                 if (neg_opt)
1105                         --neg_opt;
1106                 /* '!' is part of option */
1107                 /* when getopt_long_only() finds a string which is not
1108                  * an option nor a known option argument it returns 1
1109                  * in that case if we already have found pathstart and pathend
1110                  * (i.e. we have the list of pathnames),
1111                  * the only supported value is "!"
1112                  */
1113                 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
1114                 if (!isoption && pathend != -1) {
1115                         fprintf(stderr, "err: %s: filename|dirname must either "
1116                                         "precede options or follow options\n",
1117                                         argv[0]);
1118                         ret = CMD_HELP;
1119                         goto err;
1120                 }
1121                 if (!isoption && pathstart == -1)
1122                         pathstart = optind - 1;
1123                 if (isoption && pathstart != -1 && pathend == -1)
1124                         pathend = optind - 2;
1125                 switch (c) {
1126                 case 0:
1127                         /* Long options. */
1128                         break;
1129                 case 1:
1130                         /* unknown; opt is "!" or path component,
1131                          * checking done above.
1132                          */
1133                         if (strcmp(optarg, "!") == 0)
1134                                 neg_opt = 2;
1135                         break;
1136                 case 'A':
1137                         xtime = &param.fp_atime;
1138                         xsign = &param.fp_asign;
1139                         param.fp_exclude_atime = !!neg_opt;
1140                         /* no break, this falls through to 'C' for ctime */
1141                 case 'C':
1142                         if (c == 'C') {
1143                                 xtime = &param.fp_ctime;
1144                                 xsign = &param.fp_csign;
1145                                 param.fp_exclude_ctime = !!neg_opt;
1146                         }
1147                         /* no break, this falls through to 'M' for mtime */
1148                 case 'M':
1149                         if (c == 'M') {
1150                                 xtime = &param.fp_mtime;
1151                                 xsign = &param.fp_msign;
1152                                 param.fp_exclude_mtime = !!neg_opt;
1153                         }
1154                         rc = set_time(&t, xtime, optarg);
1155                         if (rc == INT_MAX) {
1156                                 ret = -1;
1157                                 goto err;
1158                         }
1159                         if (rc)
1160                                 *xsign = rc;
1161                         break;
1162                 case 'c':
1163                         if (optarg[0] == '+') {
1164                                 param.fp_stripe_count_sign = -1;
1165                                 optarg++;
1166                         } else if (optarg[0] == '-') {
1167                                 param.fp_stripe_count_sign =  1;
1168                                 optarg++;
1169                         }
1170
1171                         param.fp_stripe_count = strtoul(optarg, &endptr, 0);
1172                         if (*endptr != '\0') {
1173                                 fprintf(stderr,"error: bad stripe_count '%s'\n",
1174                                         optarg);
1175                                 ret = -1;
1176                                 goto err;
1177                         }
1178                         param.fp_check_stripe_count = 1;
1179                         param.fp_exclude_stripe_count = !!neg_opt;
1180                         break;
1181                 case 'D':
1182                         param.fp_max_depth = strtol(optarg, 0, 0);
1183                         break;
1184                 case 'g':
1185                 case 'G':
1186                         rc = name2id(&param.fp_gid, optarg, GROUP);
1187                         if (rc) {
1188                                 param.fp_gid = strtoul(optarg, &endptr, 10);
1189                                 if (*endptr != '\0') {
1190                                         fprintf(stderr, "Group/GID: %s cannot "
1191                                                 "be found.\n", optarg);
1192                                         ret = -1;
1193                                         goto err;
1194                                 }
1195                         }
1196                         param.fp_exclude_gid = !!neg_opt;
1197                         param.fp_check_gid = 1;
1198                         break;
1199                 case 'L':
1200                         ret = name2layout(&param.fp_layout, optarg);
1201                         if (ret)
1202                                 goto err;
1203                         param.fp_exclude_layout = !!neg_opt;
1204                         param.fp_check_layout = 1;
1205                         break;
1206                 case 'u':
1207                 case 'U':
1208                         rc = name2id(&param.fp_uid, optarg, USER);
1209                         if (rc) {
1210                                 param.fp_uid = strtoul(optarg, &endptr, 10);
1211                                 if (*endptr != '\0') {
1212                                         fprintf(stderr, "User/UID: %s cannot "
1213                                                 "be found.\n", optarg);
1214                                         ret = -1;
1215                                         goto err;
1216                                 }
1217                         }
1218                         param.fp_exclude_uid = !!neg_opt;
1219                         param.fp_check_uid = 1;
1220                         break;
1221                 case FIND_POOL_OPT:
1222                         if (strlen(optarg) > LOV_MAXPOOLNAME) {
1223                                 fprintf(stderr,
1224                                         "Pool name %s is too long"
1225                                         " (max is %d)\n", optarg,
1226                                         LOV_MAXPOOLNAME);
1227                                 ret = -1;
1228                                 goto err;
1229                         }
1230                         /* we do check for empty pool because empty pool
1231                          * is used to find V1 lov attributes */
1232                         strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
1233                         param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
1234                         param.fp_exclude_pool = !!neg_opt;
1235                         param.fp_check_pool = 1;
1236                         break;
1237                 case 'n':
1238                         param.fp_pattern = (char *)optarg;
1239                         param.fp_exclude_pattern = !!neg_opt;
1240                         break;
1241                 case 'm':
1242                 case 'i':
1243                 case 'O': {
1244                         char *buf, *token, *next, *p;
1245                         int len = 1;
1246                         void *tmp;
1247
1248                         buf = strdup(optarg);
1249                         if (buf == NULL) {
1250                                 ret = -ENOMEM;
1251                                 goto err;
1252                         }
1253
1254                         param.fp_exclude_obd = !!neg_opt;
1255
1256                         token = buf;
1257                         while (token && *token) {
1258                                 token = strchr(token, ',');
1259                                 if (token) {
1260                                         len++;
1261                                         token++;
1262                                 }
1263                         }
1264                         if (c == 'm') {
1265                                 param.fp_exclude_mdt = !!neg_opt;
1266                                 param.fp_num_alloc_mdts += len;
1267                                 tmp = realloc(param.fp_mdt_uuid,
1268                                               param.fp_num_alloc_mdts *
1269                                               sizeof(*param.fp_mdt_uuid));
1270                                 if (tmp == NULL) {
1271                                         ret = -ENOMEM;
1272                                         goto err_free;
1273                                 }
1274
1275                                 param.fp_mdt_uuid = tmp;
1276                         } else {
1277                                 param.fp_exclude_obd = !!neg_opt;
1278                                 param.fp_num_alloc_obds += len;
1279                                 tmp = realloc(param.fp_obd_uuid,
1280                                               param.fp_num_alloc_obds *
1281                                               sizeof(*param.fp_obd_uuid));
1282                                 if (tmp == NULL) {
1283                                         ret = -ENOMEM;
1284                                         goto err_free;
1285                                 }
1286
1287                                 param.fp_obd_uuid = tmp;
1288                         }
1289                         for (token = buf; token && *token; token = next) {
1290                                 struct obd_uuid *puuid;
1291                                 if (c == 'm') {
1292                                         puuid =
1293                                         &param.fp_mdt_uuid[param.fp_num_mdts++];
1294                                 } else {
1295                                         puuid =
1296                                         &param.fp_obd_uuid[param.fp_num_obds++];
1297                                 }
1298                                 p = strchr(token, ',');
1299                                 next = 0;
1300                                 if (p) {
1301                                         *p = 0;
1302                                         next = p+1;
1303                                 }
1304
1305                                 if (strlen(token) > sizeof(puuid->uuid) - 1) {
1306                                         ret = -E2BIG;
1307                                         goto err_free;
1308                                 }
1309
1310                                 strncpy(puuid->uuid, token,
1311                                         sizeof(puuid->uuid));
1312                         }
1313 err_free:
1314                         if (buf)
1315                                 free(buf);
1316                         break;
1317                 }
1318                 case 'p':
1319                         param.fp_zero_end = 1;
1320                         break;
1321                 case 'P':
1322                         break;
1323                 case 's':
1324                         if (optarg[0] == '+') {
1325                                 param.fp_size_sign = -1;
1326                                 optarg++;
1327                         } else if (optarg[0] == '-') {
1328                                 param.fp_size_sign =  1;
1329                                 optarg++;
1330                         }
1331
1332                         ret = llapi_parse_size(optarg, &param.fp_size,
1333                                                &param.fp_size_units, 0);
1334                         if (ret) {
1335                                 fprintf(stderr, "error: bad file size '%s'\n",
1336                                         optarg);
1337                                 goto err;
1338                         }
1339                         param.fp_check_size = 1;
1340                         param.fp_exclude_size = !!neg_opt;
1341                         break;
1342                 case 'S':
1343                         if (optarg[0] == '+') {
1344                                 param.fp_stripe_size_sign = -1;
1345                                 optarg++;
1346                         } else if (optarg[0] == '-') {
1347                                 param.fp_stripe_size_sign =  1;
1348                                 optarg++;
1349                         }
1350
1351                         ret = llapi_parse_size(optarg, &param.fp_stripe_size,
1352                                                &param.fp_stripe_size_units, 0);
1353                         if (ret) {
1354                                 fprintf(stderr, "error: bad stripe_size '%s'\n",
1355                                         optarg);
1356                                 goto err;
1357                         }
1358                         param.fp_check_stripe_size = 1;
1359                         param.fp_exclude_stripe_size = !!neg_opt;
1360                         break;
1361                 case 't':
1362                         param.fp_exclude_type = !!neg_opt;
1363                         switch (optarg[0]) {
1364                         case 'b':
1365                                 param.fp_type = S_IFBLK;
1366                                 break;
1367                         case 'c':
1368                                 param.fp_type = S_IFCHR;
1369                                 break;
1370                         case 'd':
1371                                 param.fp_type = S_IFDIR;
1372                                 break;
1373                         case 'f':
1374                                 param.fp_type = S_IFREG;
1375                                 break;
1376                         case 'l':
1377                                 param.fp_type = S_IFLNK;
1378                                 break;
1379                         case 'p':
1380                                 param.fp_type = S_IFIFO;
1381                                 break;
1382                         case 's':
1383                                 param.fp_type = S_IFSOCK;
1384                                 break;
1385                         default:
1386                                 fprintf(stderr, "error: %s: bad type '%s'\n",
1387                                         argv[0], optarg);
1388                                 ret = CMD_HELP;
1389                                 goto err;
1390                         };
1391                         break;
1392                 default:
1393                         ret = CMD_HELP;
1394                         goto err;
1395                 };
1396         }
1397
1398         if (pathstart == -1) {
1399                 fprintf(stderr, "error: %s: no filename|pathname\n",
1400                         argv[0]);
1401                 ret = CMD_HELP;
1402                 goto err;
1403         } else if (pathend == -1) {
1404                 /* no options */
1405                 pathend = argc;
1406         }
1407
1408         do {
1409                 rc = llapi_find(argv[pathstart], &param);
1410                 if (rc != 0 && ret == 0)
1411                         ret = rc;
1412         } while (++pathstart < pathend);
1413
1414         if (ret)
1415                 fprintf(stderr, "error: %s failed for %s.\n",
1416                         argv[0], argv[optind - 1]);
1417 err:
1418         if (param.fp_obd_uuid && param.fp_num_alloc_obds)
1419                 free(param.fp_obd_uuid);
1420
1421         if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
1422                 free(param.fp_mdt_uuid);
1423
1424         return ret;
1425 }
1426
1427 static int lfs_getstripe_internal(int argc, char **argv,
1428                                   struct find_param *param)
1429 {
1430         struct option long_opts[] = {
1431 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1432                 /* This formerly implied "stripe-count", but was explicitly
1433                  * made "stripe-count" for consistency with other options,
1434                  * and to separate it from "mdt-count" when DNE arrives. */
1435                 {"count",               no_argument,            0, 'c'},
1436 #endif
1437                 {"stripe-count",        no_argument,            0, 'c'},
1438                 {"stripe_count",        no_argument,            0, 'c'},
1439                 {"directory",           no_argument,            0, 'd'},
1440                 {"default",             no_argument,            0, 'D'},
1441                 {"generation",          no_argument,            0, 'g'},
1442 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1443                 /* This formerly implied "stripe-index", but was explicitly
1444                  * made "stripe-index" for consistency with other options,
1445                  * and to separate it from "mdt-index" when DNE arrives. */
1446                 {"index",               no_argument,            0, 'i'},
1447 #endif
1448                 {"stripe-index",        no_argument,            0, 'i'},
1449                 {"stripe_index",        no_argument,            0, 'i'},
1450                 {"layout",              no_argument,            0, 'L'},
1451                 {"mdt-index",           no_argument,            0, 'M'},
1452                 {"mdt_index",           no_argument,            0, 'M'},
1453 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1454                 /* This formerly implied "stripe-index", but was confusing
1455                  * with "file offset" (which will eventually be needed for
1456                  * with different layouts by offset), so deprecate it. */
1457                 {"offset",              no_argument,            0, 'o'},
1458 #endif
1459                 {"obd",                 required_argument,      0, 'O'},
1460                 {"ost",                 required_argument,      0, 'O'},
1461                 {"pool",                no_argument,            0, 'p'},
1462                 {"quiet",               no_argument,            0, 'q'},
1463                 {"recursive",           no_argument,            0, 'r'},
1464                 {"raw",                 no_argument,            0, 'R'},
1465 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1466                 /* This formerly implied "--stripe-size", but was confusing
1467                  * with "lfs find --size|-s", which means "file size", so use
1468                  * the consistent "--stripe-size|-S" for all commands. */
1469                 {"size",                no_argument,            0, 's'},
1470 #endif
1471                 {"stripe-size",         no_argument,            0, 'S'},
1472                 {"stripe_size",         no_argument,            0, 'S'},
1473                 {"verbose",             no_argument,            0, 'v'},
1474                 {0, 0, 0, 0}
1475         };
1476         int c, rc;
1477
1478         param->fp_max_depth = 1;
1479         while ((c = getopt_long(argc, argv, "cdDghiLMoO:pqrRsSv",
1480                                 long_opts, NULL)) != -1) {
1481                 switch (c) {
1482                 case 'O':
1483                         if (param->fp_obd_uuid) {
1484                                 fprintf(stderr,
1485                                         "error: %s: only one obduuid allowed",
1486                                         argv[0]);
1487                                 return CMD_HELP;
1488                         }
1489                         param->fp_obd_uuid = (struct obd_uuid *)optarg;
1490                         break;
1491                 case 'q':
1492                         param->fp_quiet++;
1493                         break;
1494                 case 'd':
1495                         param->fp_max_depth = 0;
1496                         break;
1497                 case 'D':
1498                         param->fp_get_default_lmv = 1;
1499                         break;
1500                 case 'r':
1501                         param->fp_recursive = 1;
1502                         break;
1503                 case 'v':
1504                         param->fp_verbose = VERBOSE_ALL | VERBOSE_DETAIL;
1505                         break;
1506                 case 'c':
1507 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
1508                         if (strcmp(argv[optind - 1], "--count") == 0)
1509                                 fprintf(stderr, "warning: '--count' deprecated,"
1510                                         " use '--stripe-count' instead\n");
1511 #endif
1512                         if (!(param->fp_verbose & VERBOSE_DETAIL)) {
1513                                 param->fp_verbose |= VERBOSE_COUNT;
1514                                 param->fp_max_depth = 0;
1515                         }
1516                         break;
1517 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1518                 case 's':
1519 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
1520                         fprintf(stderr, "warning: '--size|-s' deprecated, "
1521                                 "use '--stripe-size|-S' instead\n");
1522 #endif
1523 #endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0) */
1524                 case 'S':
1525                         if (!(param->fp_verbose & VERBOSE_DETAIL)) {
1526                                 param->fp_verbose |= VERBOSE_SIZE;
1527                                 param->fp_max_depth = 0;
1528                         }
1529                         break;
1530 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1531                 case 'o':
1532                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
1533                                 "use '--stripe-index|-i' instead\n");
1534 #endif
1535                 case 'i':
1536 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
1537                         if (strcmp(argv[optind - 1], "--index") == 0)
1538                                 fprintf(stderr, "warning: '--index' deprecated"
1539                                         ", use '--stripe-index' instead\n");
1540 #endif
1541                         if (!(param->fp_verbose & VERBOSE_DETAIL)) {
1542                                 param->fp_verbose |= VERBOSE_OFFSET;
1543                                 param->fp_max_depth = 0;
1544                         }
1545                         break;
1546                 case 'p':
1547                         if (!(param->fp_verbose & VERBOSE_DETAIL)) {
1548                                 param->fp_verbose |= VERBOSE_POOL;
1549                                 param->fp_max_depth = 0;
1550                         }
1551                         break;
1552                 case 'g':
1553                         if (!(param->fp_verbose & VERBOSE_DETAIL)) {
1554                                 param->fp_verbose |= VERBOSE_GENERATION;
1555                                 param->fp_max_depth = 0;
1556                         }
1557                         break;
1558                 case 'L':
1559                         if (!(param->fp_verbose & VERBOSE_DETAIL)) {
1560                                 param->fp_verbose |= VERBOSE_LAYOUT;
1561                                 param->fp_max_depth = 0;
1562                         }
1563                         break;
1564                 case 'M':
1565                         if (!(param->fp_verbose & VERBOSE_DETAIL))
1566                                 param->fp_max_depth = 0;
1567                         param->fp_verbose |= VERBOSE_MDTINDEX;
1568                         break;
1569                 case 'R':
1570                         param->fp_raw = 1;
1571                         break;
1572                 default:
1573                         return CMD_HELP;
1574                 }
1575         }
1576
1577         if (optind >= argc)
1578                 return CMD_HELP;
1579
1580         if (param->fp_recursive)
1581                 param->fp_max_depth = -1;
1582
1583         if (!param->fp_verbose)
1584                 param->fp_verbose = VERBOSE_ALL;
1585         if (param->fp_quiet)
1586                 param->fp_verbose = VERBOSE_OBJID;
1587
1588         do {
1589                 rc = llapi_getstripe(argv[optind], param);
1590         } while (++optind < argc && !rc);
1591
1592         if (rc)
1593                 fprintf(stderr, "error: %s failed for %s.\n",
1594                         argv[0], argv[optind - 1]);
1595         return rc;
1596 }
1597
1598 static int lfs_tgts(int argc, char **argv)
1599 {
1600         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1601         struct find_param param;
1602         int index = 0, rc=0;
1603
1604         if (argc > 2)
1605                 return CMD_HELP;
1606
1607         if (argc == 2 && !realpath(argv[1], path)) {
1608                 rc = -errno;
1609                 fprintf(stderr, "error: invalid path '%s': %s\n",
1610                         argv[1], strerror(-rc));
1611                 return rc;
1612         }
1613
1614         while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
1615                 /* Check if we have a mount point */
1616                 if (mntdir[0] == '\0')
1617                         continue;
1618
1619                 memset(&param, 0, sizeof(param));
1620                 if (!strcmp(argv[0], "mdts"))
1621                         param.fp_get_lmv = 1;
1622
1623                 rc = llapi_ostlist(mntdir, &param);
1624                 if (rc) {
1625                         fprintf(stderr, "error: %s: failed on %s\n",
1626                                 argv[0], mntdir);
1627                 }
1628                 if (path[0] != '\0')
1629                         break;
1630                 memset(mntdir, 0, PATH_MAX);
1631         }
1632
1633         return rc;
1634 }
1635
1636 static int lfs_getstripe(int argc, char **argv)
1637 {
1638         struct find_param param = { 0 };
1639         return lfs_getstripe_internal(argc, argv, &param);
1640 }
1641
1642 /* functions */
1643 static int lfs_getdirstripe(int argc, char **argv)
1644 {
1645         struct find_param param = { 0 };
1646
1647         param.fp_get_lmv = 1;
1648         return lfs_getstripe_internal(argc, argv, &param);
1649 }
1650
1651 /* functions */
1652 static int lfs_setdirstripe(int argc, char **argv)
1653 {
1654         char                    *dname;
1655         int                     result;
1656         unsigned int            stripe_offset = -1;
1657         unsigned int            stripe_count = 1;
1658         enum lmv_hash_type      hash_type;
1659         char                    *end;
1660         int                     c;
1661         char                    *stripe_offset_opt = NULL;
1662         char                    *stripe_count_opt = NULL;
1663         char                    *stripe_hash_opt = NULL;
1664         char                    *mode_opt = NULL;
1665         int                     default_stripe = 0;
1666         mode_t                  mode = S_IRWXU | S_IRWXG | S_IRWXO;
1667         mode_t                  previous_mode = 0;
1668
1669         struct option long_opts[] = {
1670                 {"count",       required_argument, 0, 'c'},
1671                 {"index",       required_argument, 0, 'i'},
1672                 {"mode",        required_argument, 0, 'm'},
1673                 {"hash-type",   required_argument, 0, 't'},
1674                 {"default_stripe", no_argument, 0, 'D'},
1675                 {0, 0, 0, 0}
1676         };
1677
1678         while ((c = getopt_long(argc, argv, "c:Di:m:t:", long_opts,
1679                                 NULL)) >= 0) {
1680                 switch (c) {
1681                 case 0:
1682                         /* Long options. */
1683                         break;
1684                 case 'c':
1685                         stripe_count_opt = optarg;
1686                         break;
1687                 case 'D':
1688                         default_stripe = 1;
1689                         break;
1690                 case 'i':
1691                         stripe_offset_opt = optarg;
1692                         break;
1693                 case 'm':
1694                         mode_opt = optarg;
1695                         break;
1696                 case 't':
1697                         stripe_hash_opt = optarg;
1698                         break;
1699                 default:
1700                         fprintf(stderr, "error: %s: option '%s' "
1701                                         "unrecognized\n",
1702                                         argv[0], argv[optind - 1]);
1703                         return CMD_HELP;
1704                 }
1705         }
1706
1707         if (optind == argc) {
1708                 fprintf(stderr, "error: %s: missing dirname\n",
1709                         argv[0]);
1710                 return CMD_HELP;
1711         }
1712
1713         if (stripe_offset_opt == NULL && stripe_count_opt == NULL) {
1714                 fprintf(stderr, "error: %s: missing stripe offset and count.\n",
1715                         argv[0]);
1716                 return CMD_HELP;
1717         }
1718
1719         if (stripe_offset_opt != NULL) {
1720                 /* get the stripe offset */
1721                 stripe_offset = strtoul(stripe_offset_opt, &end, 0);
1722                 if (*end != '\0') {
1723                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
1724                                 argv[0], stripe_offset_opt);
1725                         return CMD_HELP;
1726                 }
1727         }
1728
1729         if (mode_opt != NULL) {
1730                 mode = strtoul(mode_opt, &end, 8);
1731                 if (*end != '\0') {
1732                         fprintf(stderr, "error: %s: bad mode '%s'\n",
1733                                 argv[0], mode_opt);
1734                         return CMD_HELP;
1735                 }
1736                 previous_mode = umask(0);
1737         }
1738
1739         if (stripe_hash_opt == NULL ||
1740             strcmp(stripe_hash_opt, LMV_HASH_NAME_FNV_1A_64) == 0) {
1741                 hash_type = LMV_HASH_TYPE_FNV_1A_64;
1742         } else if (strcmp(stripe_hash_opt, LMV_HASH_NAME_ALL_CHARS) == 0) {
1743                 hash_type = LMV_HASH_TYPE_ALL_CHARS;
1744         } else {
1745                 fprintf(stderr, "error: %s: bad stripe hash type '%s'\n",
1746                         argv[0], stripe_hash_opt);
1747                 return CMD_HELP;
1748         }
1749
1750         /* get the stripe count */
1751         if (stripe_count_opt != NULL) {
1752                 stripe_count = strtoul(stripe_count_opt, &end, 0);
1753                 if (*end != '\0') {
1754                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
1755                                 argv[0], stripe_count_opt);
1756                         return CMD_HELP;
1757                 }
1758         }
1759
1760         dname = argv[optind];
1761         do {
1762                 if (default_stripe == 1) {
1763                         result = llapi_dir_set_default_lmv_stripe(dname,
1764                                                     stripe_offset, stripe_count,
1765                                                     hash_type, NULL);
1766                 } else {
1767                         result = llapi_dir_create_pool(dname, mode,
1768                                                        stripe_offset,
1769                                                        stripe_count, hash_type,
1770                                                        NULL);
1771                 }
1772
1773                 if (result) {
1774                         fprintf(stderr, "error: %s: create stripe dir '%s' "
1775                                 "failed\n", argv[0], dname);
1776                         break;
1777                 }
1778                 dname = argv[++optind];
1779         } while (dname != NULL);
1780
1781         if (mode_opt != NULL)
1782                 umask(previous_mode);
1783
1784         return result;
1785 }
1786
1787 /* functions */
1788 static int lfs_rmentry(int argc, char **argv)
1789 {
1790         char *dname;
1791         int   index;
1792         int   result = 0;
1793
1794         if (argc <= 1) {
1795                 fprintf(stderr, "error: %s: missing dirname\n",
1796                         argv[0]);
1797                 return CMD_HELP;
1798         }
1799
1800         index = 1;
1801         dname = argv[index];
1802         while (dname != NULL) {
1803                 result = llapi_direntry_remove(dname);
1804                 if (result) {
1805                         fprintf(stderr, "error: %s: remove dir entry '%s' "
1806                                 "failed\n", argv[0], dname);
1807                         break;
1808                 }
1809                 dname = argv[++index];
1810         }
1811         return result;
1812 }
1813
1814 static int lfs_mv(int argc, char **argv)
1815 {
1816         struct  find_param param = {
1817                 .fp_max_depth = -1,
1818                 .fp_mdt_index = -1,
1819         };
1820         char   *end;
1821         int     c;
1822         int     rc = 0;
1823         struct option long_opts[] = {
1824                 {"--mdt-index", required_argument, 0, 'M'},
1825                 {"verbose",     no_argument,       0, 'v'},
1826                 {0, 0, 0, 0}
1827         };
1828
1829         while ((c = getopt_long(argc, argv, "M:v", long_opts, NULL)) != -1) {
1830                 switch (c) {
1831                 case 'M': {
1832                         param.fp_mdt_index = strtoul(optarg, &end, 0);
1833                         if (*end != '\0') {
1834                                 fprintf(stderr, "%s: invalid MDT index'%s'\n",
1835                                         argv[0], optarg);
1836                                 return CMD_HELP;
1837                         }
1838                         break;
1839                 }
1840                 case 'v': {
1841                         param.fp_verbose = VERBOSE_DETAIL;
1842                         break;
1843                 }
1844                 default:
1845                         fprintf(stderr, "error: %s: unrecognized option '%s'\n",
1846                                 argv[0], argv[optind - 1]);
1847                         return CMD_HELP;
1848                 }
1849         }
1850
1851         if (param.fp_mdt_index == -1) {
1852                 fprintf(stderr, "%s MDT index must be indicated\n", argv[0]);
1853                 return CMD_HELP;
1854         }
1855
1856         if (optind >= argc) {
1857                 fprintf(stderr, "%s missing operand path\n", argv[0]);
1858                 return CMD_HELP;
1859         }
1860
1861         param.fp_migrate = 1;
1862         rc = llapi_mv(argv[optind], &param);
1863         if (rc != 0)
1864                 fprintf(stderr, "cannot migrate '%s' to MDT%04x: %s\n",
1865                         argv[optind], param.fp_mdt_index, strerror(-rc));
1866         return rc;
1867 }
1868
1869 static int lfs_osts(int argc, char **argv)
1870 {
1871         return lfs_tgts(argc, argv);
1872 }
1873
1874 static int lfs_mdts(int argc, char **argv)
1875 {
1876         return lfs_tgts(argc, argv);
1877 }
1878
1879 #define COOK(value)                                                     \
1880 ({                                                                      \
1881         int radix = 0;                                                  \
1882         while (value > 1024) {                                          \
1883                 value /= 1024;                                          \
1884                 radix++;                                                \
1885         }                                                               \
1886         radix;                                                          \
1887 })
1888 #define UUF     "%-20s"
1889 #define CSF     "%11s"
1890 #define CDF     "%11llu"
1891 #define HDF     "%8.1f%c"
1892 #define RSF     "%4s"
1893 #define RDF     "%3d%%"
1894
1895 static int showdf(char *mntdir, struct obd_statfs *stat,
1896                   char *uuid, int ishow, int cooked,
1897                   char *type, int index, int rc)
1898 {
1899         long long avail, used, total;
1900         double ratio = 0;
1901         char *suffix = "KMGTPEZY";
1902         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
1903         char tbuf[3 * sizeof(__u64)];
1904         char ubuf[3 * sizeof(__u64)];
1905         char abuf[3 * sizeof(__u64)];
1906         char rbuf[3 * sizeof(__u64)];
1907
1908         if (!uuid || !stat)
1909                 return -EINVAL;
1910
1911         switch (rc) {
1912         case 0:
1913                 if (ishow) {
1914                         avail = stat->os_ffree;
1915                         used = stat->os_files - stat->os_ffree;
1916                         total = stat->os_files;
1917                 } else {
1918                         int shift = cooked ? 0 : 10;
1919
1920                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
1921                         used  = ((stat->os_blocks - stat->os_bfree) *
1922                                  stat->os_bsize) >> shift;
1923                         total = (stat->os_blocks * stat->os_bsize) >> shift;
1924                 }
1925
1926                 if ((used + avail) > 0)
1927                         ratio = (double)used / (double)(used + avail);
1928
1929                 if (cooked) {
1930                         int i;
1931                         double cook_val;
1932
1933                         cook_val = (double)total;
1934                         i = COOK(cook_val);
1935                         if (i > 0)
1936                                 sprintf(tbuf, HDF, cook_val, suffix[i - 1]);
1937                         else
1938                                 sprintf(tbuf, CDF, total);
1939
1940                         cook_val = (double)used;
1941                         i = COOK(cook_val);
1942                         if (i > 0)
1943                                 sprintf(ubuf, HDF, cook_val, suffix[i - 1]);
1944                         else
1945                                 sprintf(ubuf, CDF, used);
1946
1947                         cook_val = (double)avail;
1948                         i = COOK(cook_val);
1949                         if (i > 0)
1950                                 sprintf(abuf, HDF, cook_val, suffix[i - 1]);
1951                         else
1952                                 sprintf(abuf, CDF, avail);
1953                 } else {
1954                         sprintf(tbuf, CDF, total);
1955                         sprintf(ubuf, CDF, used);
1956                         sprintf(abuf, CDF, avail);
1957                 }
1958
1959                 sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
1960                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
1961                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
1962                 if (type)
1963                         printf("[%s:%d]\n", type, index);
1964                 else
1965                         printf("\n");
1966
1967                 break;
1968         case -ENODATA:
1969                 printf(UUF": inactive device\n", uuid);
1970                 break;
1971         default:
1972                 printf(UUF": %s\n", uuid, strerror(-rc));
1973                 break;
1974         }
1975
1976         return 0;
1977 }
1978
1979 struct ll_stat_type {
1980         int   st_op;
1981         char *st_name;
1982 };
1983
1984 static int mntdf(char *mntdir, char *fsname, char *pool, int ishow,
1985                 int cooked, int lazy)
1986 {
1987         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
1988         struct obd_uuid uuid_buf;
1989         char *poolname = NULL;
1990         struct ll_stat_type types[] = { { LL_STATFS_LMV, "MDT" },
1991                                         { LL_STATFS_LOV, "OST" },
1992                                         { 0, NULL } };
1993         struct ll_stat_type *tp;
1994         __u64 ost_ffree = 0;
1995         __u32 index;
1996         __u32 type;
1997         int rc;
1998
1999         if (pool) {
2000                 poolname = strchr(pool, '.');
2001                 if (poolname != NULL) {
2002                         if (strncmp(fsname, pool, strlen(fsname))) {
2003                                 fprintf(stderr, "filesystem name incorrect\n");
2004                                 return -ENODEV;
2005                         }
2006                         poolname++;
2007                 } else
2008                         poolname = pool;
2009         }
2010
2011         if (ishow)
2012                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
2013                        "UUID", "Inodes", "IUsed", "IFree",
2014                        "IUse%", "Mounted on");
2015         else
2016                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
2017                        "UUID", cooked ? "bytes" : "1K-blocks",
2018                        "Used", "Available", "Use%", "Mounted on");
2019
2020         for (tp = types; tp->st_name != NULL; tp++) {
2021                 for (index = 0; ; index++) {
2022                         memset(&stat_buf, 0, sizeof(struct obd_statfs));
2023                         memset(&uuid_buf, 0, sizeof(struct obd_uuid));
2024                         type = lazy ? tp->st_op | LL_STATFS_NODELAY : tp->st_op;
2025                         rc = llapi_obd_statfs(mntdir, type, index,
2026                                               &stat_buf, &uuid_buf);
2027                         if (rc == -ENODEV)
2028                                 break;
2029
2030                         if (rc == -EAGAIN)
2031                                 continue;
2032
2033                         if (poolname && tp->st_op == LL_STATFS_LOV &&
2034                             llapi_search_ost(fsname, poolname,
2035                                              obd_uuid2str(&uuid_buf)) != 1)
2036                                 continue;
2037
2038                         /* the llapi_obd_statfs() call may have returned with
2039                          * an error, but if it filled in uuid_buf we will at
2040                          * lease use that to print out a message for that OBD.
2041                          * If we didn't get anything in the uuid_buf, then fill
2042                          * it in so that we can print an error message. */
2043                         if (uuid_buf.uuid[0] == '\0')
2044                                 sprintf(uuid_buf.uuid, "%s%04x",
2045                                         tp->st_name, index);
2046                         showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
2047                                ishow, cooked, tp->st_name, index, rc);
2048
2049                         if (rc == 0) {
2050                                 if (tp->st_op == LL_STATFS_LMV) {
2051                                         sum.os_ffree += stat_buf.os_ffree;
2052                                         sum.os_files += stat_buf.os_files;
2053                                 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
2054                                         sum.os_blocks += stat_buf.os_blocks *
2055                                                 stat_buf.os_bsize;
2056                                         sum.os_bfree  += stat_buf.os_bfree *
2057                                                 stat_buf.os_bsize;
2058                                         sum.os_bavail += stat_buf.os_bavail *
2059                                                 stat_buf.os_bsize;
2060                                         ost_ffree += stat_buf.os_ffree;
2061                                 }
2062                         } else if (rc == -EINVAL || rc == -EFAULT) {
2063                                 break;
2064                         }
2065                 }
2066         }
2067
2068         /* If we don't have as many objects free on the OST as inodes
2069          * on the MDS, we reduce the total number of inodes to
2070          * compensate, so that the "inodes in use" number is correct.
2071          * Matches ll_statfs_internal() so the results are consistent. */
2072         if (ost_ffree < sum.os_ffree) {
2073                 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
2074                 sum.os_ffree = ost_ffree;
2075         }
2076         printf("\n");
2077         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0, 0);
2078         printf("\n");
2079         return 0;
2080 }
2081
2082 static int lfs_df(int argc, char **argv)
2083 {
2084         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
2085         int ishow = 0, cooked = 0;
2086         int lazy = 0;
2087         int c, rc = 0, index = 0;
2088         char fsname[PATH_MAX] = "", *pool_name = NULL;
2089         struct option long_opts[] = {
2090                 {"pool", required_argument, 0, 'p'},
2091                 {"lazy", 0, 0, 'l'},
2092                 {0, 0, 0, 0}
2093         };
2094
2095         while ((c = getopt_long(argc, argv, "hilp:", long_opts, NULL)) != -1) {
2096                 switch (c) {
2097                 case 'i':
2098                         ishow = 1;
2099                         break;
2100                 case 'h':
2101                         cooked = 1;
2102                         break;
2103                 case 'l':
2104                         lazy = 1;
2105                         break;
2106                 case 'p':
2107                         pool_name = optarg;
2108                         break;
2109                 default:
2110                         return CMD_HELP;
2111                 }
2112         }
2113         if (optind < argc && !realpath(argv[optind], path)) {
2114                 rc = -errno;
2115                 fprintf(stderr, "error: invalid path '%s': %s\n",
2116                         argv[optind], strerror(-rc));
2117                 return rc;
2118         }
2119
2120         while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
2121                 /* Check if we have a mount point */
2122                 if (mntdir[0] == '\0')
2123                         continue;
2124
2125                 rc = mntdf(mntdir, fsname, pool_name, ishow, cooked, lazy);
2126                 if (rc || path[0] != '\0')
2127                         break;
2128                 fsname[0] = '\0'; /* avoid matching in next loop */
2129                 mntdir[0] = '\0'; /* avoid matching in next loop */
2130         }
2131
2132         return rc;
2133 }
2134
2135 static int lfs_getname(int argc, char **argv)
2136 {
2137         char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
2138         int rc = 0, index = 0, c;
2139         char buf[sizeof(struct obd_uuid)];
2140
2141         while ((c = getopt(argc, argv, "h")) != -1)
2142                 return CMD_HELP;
2143
2144         if (optind == argc) { /* no paths specified, get all paths. */
2145                 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
2146                         rc = llapi_getname(mntdir, buf, sizeof(buf));
2147                         if (rc < 0) {
2148                                 fprintf(stderr,
2149                                         "cannot get name for `%s': %s\n",
2150                                         mntdir, strerror(-rc));
2151                                 break;
2152                         }
2153
2154                         printf("%s %s\n", buf, mntdir);
2155
2156                         path[0] = fsname[0] = mntdir[0] = 0;
2157                 }
2158         } else { /* paths specified, only attempt to search these. */
2159                 for (; optind < argc; optind++) {
2160                         rc = llapi_getname(argv[optind], buf, sizeof(buf));
2161                         if (rc < 0) {
2162                                 fprintf(stderr,
2163                                         "cannot get name for `%s': %s\n",
2164                                         argv[optind], strerror(-rc));
2165                                 break;
2166                         }
2167
2168                         printf("%s %s\n", buf, argv[optind]);
2169                 }
2170         }
2171         return rc;
2172 }
2173
2174 static int lfs_check(int argc, char **argv)
2175 {
2176         int rc;
2177         char mntdir[PATH_MAX] = {'\0'};
2178         int num_types = 1;
2179         char *obd_types[2];
2180         char obd_type1[4];
2181         char obd_type2[4];
2182
2183         if (argc != 2)
2184                 return CMD_HELP;
2185
2186         obd_types[0] = obd_type1;
2187         obd_types[1] = obd_type2;
2188
2189         if (strcmp(argv[1], "osts") == 0) {
2190                 strcpy(obd_types[0], "osc");
2191         } else if (strcmp(argv[1], "mds") == 0) {
2192                 strcpy(obd_types[0], "mdc");
2193         } else if (strcmp(argv[1], "servers") == 0) {
2194                 num_types = 2;
2195                 strcpy(obd_types[0], "osc");
2196                 strcpy(obd_types[1], "mdc");
2197         } else {
2198                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
2199                                 argv[0], argv[1]);
2200                         return CMD_HELP;
2201         }
2202
2203         rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
2204         if (rc < 0 || mntdir[0] == '\0') {
2205                 fprintf(stderr, "No suitable Lustre mount found\n");
2206                 return rc;
2207         }
2208
2209         rc = llapi_target_check(num_types, obd_types, mntdir);
2210         if (rc)
2211                 fprintf(stderr, "error: %s: %s status failed\n",
2212                                 argv[0],argv[1]);
2213
2214         return rc;
2215
2216 }
2217
2218 static int lfs_join(int argc, char **argv)
2219 {
2220         fprintf(stderr, "join two lustre files into one.\n"
2221                         "obsolete, HEAD does not support it anymore.\n");
2222         return 0;
2223 }
2224
2225 #ifdef HAVE_SYS_QUOTA_H
2226 static int lfs_quotacheck(int argc, char **argv)
2227 {
2228         int c, check_type = 0;
2229         char *mnt;
2230         struct if_quotacheck qchk;
2231         struct if_quotactl qctl;
2232         char *obd_type = (char *)qchk.obd_type;
2233         int rc;
2234
2235         memset(&qchk, 0, sizeof(qchk));
2236
2237         while ((c = getopt(argc, argv, "gu")) != -1) {
2238                 switch (c) {
2239                 case 'u':
2240                         check_type |= 0x01;
2241                         break;
2242                 case 'g':
2243                         check_type |= 0x02;
2244                         break;
2245                 default:
2246                         fprintf(stderr, "error: %s: option '-%c' "
2247                                         "unrecognized\n", argv[0], c);
2248                         return CMD_HELP;
2249                 }
2250         }
2251
2252         if (check_type)
2253                 check_type--;
2254         else    /* do quotacheck for both user & group quota by default */
2255                 check_type = 0x02;
2256
2257         if (argc == optind)
2258                 return CMD_HELP;
2259
2260         mnt = argv[optind];
2261
2262         rc = llapi_quotacheck(mnt, check_type);
2263         if (rc == -EOPNOTSUPP) {
2264                 fprintf(stderr, "error: quotacheck not supported by the quota "
2265                         "master.\nPlease note that quotacheck is deprecated as "
2266                         "of lustre 2.4.0 since space accounting is always "
2267                         "enabled.\nFilesystems not formatted with 2.4 utils or "
2268                         "beyond can be upgraded with tunefs.lustre --quota.\n");
2269                 return rc;
2270         } else if (rc) {
2271                 fprintf(stderr, "quotacheck failed: %s\n", strerror(-rc));
2272                 return rc;
2273         }
2274
2275         rc = llapi_poll_quotacheck(mnt, &qchk);
2276         if (rc) {
2277                 if (*obd_type)
2278                         fprintf(stderr, "%s %s ", obd_type,
2279                                 obd_uuid2str(&qchk.obd_uuid));
2280                 fprintf(stderr, "quota check failed: %s\n", strerror(-rc));
2281                 return rc;
2282         }
2283
2284         memset(&qctl, 0, sizeof(qctl));
2285         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
2286         qctl.qc_type = check_type;
2287         rc = llapi_quotactl(mnt, &qctl);
2288         if (rc && rc != -EALREADY) {
2289                 if (*obd_type)
2290                         fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
2291                                 obd_uuid2str(&qctl.obd_uuid));
2292                 fprintf(stderr, "%s turn on quota failed: %s\n",
2293                         argv[0], strerror(-rc));
2294                 return rc;
2295         }
2296
2297         return 0;
2298 }
2299
2300 static int lfs_quotaon(int argc, char **argv)
2301 {
2302         int c;
2303         char *mnt;
2304         struct if_quotactl qctl;
2305         char *obd_type = (char *)qctl.obd_type;
2306         int rc;
2307
2308         memset(&qctl, 0, sizeof(qctl));
2309         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
2310
2311         while ((c = getopt(argc, argv, "fgu")) != -1) {
2312                 switch (c) {
2313                 case 'u':
2314                         qctl.qc_type |= 0x01;
2315                         break;
2316                 case 'g':
2317                         qctl.qc_type |= 0x02;
2318                         break;
2319                 case 'f':
2320                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2321                         break;
2322                 default:
2323                         fprintf(stderr, "error: %s: option '-%c' "
2324                                         "unrecognized\n", argv[0], c);
2325                         return CMD_HELP;
2326                 }
2327         }
2328
2329         if (qctl.qc_type)
2330                 qctl.qc_type--;
2331         else /* by default, enable quota for both user & group */
2332                 qctl.qc_type = 0x02;
2333
2334         if (argc == optind)
2335                 return CMD_HELP;
2336
2337         mnt = argv[optind];
2338
2339         rc = llapi_quotactl(mnt, &qctl);
2340         if (rc) {
2341                 if (rc == -EOPNOTSUPP) {
2342                         fprintf(stderr, "error: quotaon not supported by the "
2343                                 "quota master.\nPlease note that quotaon/off is"
2344                                 " deprecated as of lustre 2.4.0.\nQuota "
2345                                 "enforcement should now be enabled on the MGS "
2346                                 "via:\nmgs# lctl conf_param ${FSNAME}.quota."
2347                                 "<ost|mdt>=<u|g|ug>\n(ost for block quota, mdt "
2348                                 "for inode quota, u for user and g for group"
2349                                 "\n");
2350                 } else if (rc == -EALREADY) {
2351                         rc = 0;
2352                 } else if (rc == -ENOENT) {
2353                         fprintf(stderr, "error: cannot find quota database, "
2354                                         "make sure you have run quotacheck\n");
2355                 } else {
2356                         if (*obd_type)
2357                                 fprintf(stderr, "%s %s ", obd_type,
2358                                         obd_uuid2str(&qctl.obd_uuid));
2359                         fprintf(stderr, "%s failed: %s\n", argv[0],
2360                                 strerror(-rc));
2361                 }
2362         }
2363
2364         return rc;
2365 }
2366
2367 static int lfs_quotaoff(int argc, char **argv)
2368 {
2369         int c;
2370         char *mnt;
2371         struct if_quotactl qctl;
2372         char *obd_type = (char *)qctl.obd_type;
2373         int rc;
2374
2375         memset(&qctl, 0, sizeof(qctl));
2376         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2377
2378         while ((c = getopt(argc, argv, "gu")) != -1) {
2379                 switch (c) {
2380                 case 'u':
2381                         qctl.qc_type |= 0x01;
2382                         break;
2383                 case 'g':
2384                         qctl.qc_type |= 0x02;
2385                         break;
2386                 default:
2387                         fprintf(stderr, "error: %s: option '-%c' "
2388                                         "unrecognized\n", argv[0], c);
2389                         return CMD_HELP;
2390                 }
2391         }
2392
2393         if (qctl.qc_type)
2394                 qctl.qc_type--;
2395         else /* by default, disable quota for both user & group */
2396                 qctl.qc_type = 0x02;
2397
2398         if (argc == optind)
2399                 return CMD_HELP;
2400
2401         mnt = argv[optind];
2402
2403         rc = llapi_quotactl(mnt, &qctl);
2404         if (rc) {
2405                 if (rc == -EOPNOTSUPP) {
2406                         fprintf(stderr, "error: quotaoff not supported by the "
2407                                 "quota master.\nPlease note that quotaon/off is"
2408                                 " deprecated as of lustre 2.4.0.\nQuota "
2409                                 "enforcement can be disabled on the MGS via:\n"
2410                                 "mgs# lctl conf_param ${FSNAME}.quota.<ost|mdt>"
2411                                 "=\"\"\n");
2412                 } else if (rc == -EALREADY) {
2413                         rc = 0;
2414                 } else {
2415                         if (*obd_type)
2416                                 fprintf(stderr, "%s %s ", obd_type,
2417                                         obd_uuid2str(&qctl.obd_uuid));
2418                         fprintf(stderr, "quotaoff failed: %s\n",
2419                                 strerror(-rc));
2420                 }
2421         }
2422
2423         return rc;
2424 }
2425
2426 #define ARG2INT(nr, str, msg)                                           \
2427 do {                                                                    \
2428         char *endp;                                                     \
2429         nr = strtol(str, &endp, 0);                                     \
2430         if (*endp) {                                                    \
2431                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
2432                 return CMD_HELP;                                        \
2433         }                                                               \
2434 } while (0)
2435
2436 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
2437
2438 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
2439  * returns the value or ULONG_MAX on integer overflow or incorrect format
2440  * Notes:
2441  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
2442  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
2443  *        3. empty integer value is interpreted as 0
2444  */
2445 static unsigned long str2sec(const char* timestr)
2446 {
2447         const char spec[] = "smhdw";
2448         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2449         unsigned long val = 0;
2450         char *tail;
2451
2452         if (strpbrk(timestr, spec) == NULL) {
2453                 /* no specifiers inside the time string,
2454                    should treat it as an integer value */
2455                 val = strtoul(timestr, &tail, 10);
2456                 return *tail ? ULONG_MAX : val;
2457         }
2458
2459         /* format string is XXwXXdXXhXXmXXs */
2460         while (*timestr) {
2461                 unsigned long v;
2462                 int ind;
2463                 char* ptr;
2464
2465                 v = strtoul(timestr, &tail, 10);
2466                 if (v == ULONG_MAX || *tail == '\0')
2467                         /* value too large (ULONG_MAX or more)
2468                            or missing specifier */
2469                         goto error;
2470
2471                 ptr = strchr(spec, *tail);
2472                 if (ptr == NULL)
2473                         /* unknown specifier */
2474                         goto error;
2475
2476                 ind = ptr - spec;
2477
2478                 /* check if product will overflow the type */
2479                 if (!(v < ULONG_MAX / mult[ind]))
2480                         goto error;
2481
2482                 ADD_OVERFLOW(val, mult[ind] * v);
2483                 if (val == ULONG_MAX)
2484                         goto error;
2485
2486                 timestr = tail + 1;
2487         }
2488
2489         return val;
2490
2491 error:
2492         return ULONG_MAX;
2493 }
2494
2495 #define ARG2ULL(nr, str, def_units)                                     \
2496 do {                                                                    \
2497         unsigned long long limit, units = def_units;                    \
2498         int rc;                                                         \
2499                                                                         \
2500         rc = llapi_parse_size(str, &limit, &units, 1);                  \
2501         if (rc < 0) {                                                   \
2502                 fprintf(stderr, "error: bad limit value %s\n", str);    \
2503                 return CMD_HELP;                                        \
2504         }                                                               \
2505         nr = limit;                                                     \
2506 } while (0)
2507
2508 static inline int has_times_option(int argc, char **argv)
2509 {
2510         int i;
2511
2512         for (i = 1; i < argc; i++)
2513                 if (!strcmp(argv[i], "-t"))
2514                         return 1;
2515
2516         return 0;
2517 }
2518
2519 int lfs_setquota_times(int argc, char **argv)
2520 {
2521         int c, rc;
2522         struct if_quotactl qctl;
2523         char *mnt, *obd_type = (char *)qctl.obd_type;
2524         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2525         struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
2526         struct option long_opts[] = {
2527                 {"block-grace",     required_argument, 0, 'b'},
2528                 {"group",           no_argument,       0, 'g'},
2529                 {"inode-grace",     required_argument, 0, 'i'},
2530                 {"times",           no_argument,       0, 't'},
2531                 {"user",            no_argument,       0, 'u'},
2532                 {0, 0, 0, 0}
2533         };
2534
2535         memset(&qctl, 0, sizeof(qctl));
2536         qctl.qc_cmd  = LUSTRE_Q_SETINFO;
2537         qctl.qc_type = UGQUOTA;
2538
2539         while ((c = getopt_long(argc, argv, "b:gi:tu", long_opts, NULL)) != -1) {
2540                 switch (c) {
2541                 case 'u':
2542                 case 'g':
2543                         if (qctl.qc_type != UGQUOTA) {
2544                                 fprintf(stderr, "error: -u and -g can't be used "
2545                                                 "more than once\n");
2546                                 return CMD_HELP;
2547                         }
2548                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2549                         break;
2550                 case 'b':
2551                         if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
2552                                 fprintf(stderr, "error: bad block-grace: %s\n",
2553                                         optarg);
2554                                 return CMD_HELP;
2555                         }
2556                         dqb->dqb_valid |= QIF_BTIME;
2557                         break;
2558                 case 'i':
2559                         if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
2560                                 fprintf(stderr, "error: bad inode-grace: %s\n",
2561                                         optarg);
2562                                 return CMD_HELP;
2563                         }
2564                         dqb->dqb_valid |= QIF_ITIME;
2565                         break;
2566                 case 't': /* Yes, of course! */
2567                         break;
2568                 default: /* getopt prints error message for us when opterr != 0 */
2569                         return CMD_HELP;
2570                 }
2571         }
2572
2573         if (qctl.qc_type == UGQUOTA) {
2574                 fprintf(stderr, "error: neither -u nor -g specified\n");
2575                 return CMD_HELP;
2576         }
2577
2578         if (optind != argc - 1) {
2579                 fprintf(stderr, "error: unexpected parameters encountered\n");
2580                 return CMD_HELP;
2581         }
2582
2583         mnt = argv[optind];
2584         rc = llapi_quotactl(mnt, &qctl);
2585         if (rc) {
2586                 if (*obd_type)
2587                         fprintf(stderr, "%s %s ", obd_type,
2588                                 obd_uuid2str(&qctl.obd_uuid));
2589                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2590                 return rc;
2591         }
2592
2593         return 0;
2594 }
2595
2596 #define BSLIMIT (1 << 0)
2597 #define BHLIMIT (1 << 1)
2598 #define ISLIMIT (1 << 2)
2599 #define IHLIMIT (1 << 3)
2600
2601 int lfs_setquota(int argc, char **argv)
2602 {
2603         int c, rc;
2604         struct if_quotactl qctl;
2605         char *mnt, *obd_type = (char *)qctl.obd_type;
2606         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2607         struct option long_opts[] = {
2608                 {"block-softlimit", required_argument, 0, 'b'},
2609                 {"block-hardlimit", required_argument, 0, 'B'},
2610                 {"group",           required_argument, 0, 'g'},
2611                 {"inode-softlimit", required_argument, 0, 'i'},
2612                 {"inode-hardlimit", required_argument, 0, 'I'},
2613                 {"user",            required_argument, 0, 'u'},
2614                 {0, 0, 0, 0}
2615         };
2616         unsigned limit_mask = 0;
2617         char *endptr;
2618
2619         if (has_times_option(argc, argv))
2620                 return lfs_setquota_times(argc, argv);
2621
2622         memset(&qctl, 0, sizeof(qctl));
2623         qctl.qc_cmd  = LUSTRE_Q_SETQUOTA;
2624         qctl.qc_type = UGQUOTA; /* UGQUOTA makes no sense for setquota,
2625                                  * so it can be used as a marker that qc_type
2626                                  * isn't reinitialized from command line */
2627
2628         while ((c = getopt_long(argc, argv, "b:B:g:i:I:u:", long_opts, NULL)) != -1) {
2629                 switch (c) {
2630                 case 'u':
2631                 case 'g':
2632                         if (qctl.qc_type != UGQUOTA) {
2633                                 fprintf(stderr, "error: -u and -g can't be used"
2634                                                 " more than once\n");
2635                                 return CMD_HELP;
2636                         }
2637                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2638                         rc = name2id(&qctl.qc_id, optarg,
2639                                      (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2640                         if (rc) {
2641                                 qctl.qc_id = strtoul(optarg, &endptr, 10);
2642                                 if (*endptr != '\0') {
2643                                         fprintf(stderr, "error: can't find id "
2644                                                 "for name %s\n", optarg);
2645                                         return CMD_HELP;
2646                                 }
2647                         }
2648                         break;
2649                 case 'b':
2650                         ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
2651                         dqb->dqb_bsoftlimit >>= 10;
2652                         limit_mask |= BSLIMIT;
2653                         if (dqb->dqb_bsoftlimit &&
2654                             dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
2655                                 fprintf(stderr, "warning: block softlimit is "
2656                                         "smaller than the miminal qunit size, "
2657                                         "please see the help of setquota or "
2658                                         "Lustre manual for details.\n");
2659                         break;
2660                 case 'B':
2661                         ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
2662                         dqb->dqb_bhardlimit >>= 10;
2663                         limit_mask |= BHLIMIT;
2664                         if (dqb->dqb_bhardlimit &&
2665                             dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
2666                                 fprintf(stderr, "warning: block hardlimit is "
2667                                         "smaller than the miminal qunit size, "
2668                                         "please see the help of setquota or "
2669                                         "Lustre manual for details.\n");
2670                         break;
2671                 case 'i':
2672                         ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
2673                         limit_mask |= ISLIMIT;
2674                         if (dqb->dqb_isoftlimit &&
2675                             dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
2676                                 fprintf(stderr, "warning: inode softlimit is "
2677                                         "smaller than the miminal qunit size, "
2678                                         "please see the help of setquota or "
2679                                         "Lustre manual for details.\n");
2680                         break;
2681                 case 'I':
2682                         ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
2683                         limit_mask |= IHLIMIT;
2684                         if (dqb->dqb_ihardlimit &&
2685                             dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
2686                                 fprintf(stderr, "warning: inode hardlimit is "
2687                                         "smaller than the miminal qunit size, "
2688                                         "please see the help of setquota or "
2689                                         "Lustre manual for details.\n");
2690                         break;
2691                 default: /* getopt prints error message for us when opterr != 0 */
2692                         return CMD_HELP;
2693                 }
2694         }
2695
2696         if (qctl.qc_type == UGQUOTA) {
2697                 fprintf(stderr, "error: neither -u nor -g was specified\n");
2698                 return CMD_HELP;
2699         }
2700
2701         if (limit_mask == 0) {
2702                 fprintf(stderr, "error: at least one limit must be specified\n");
2703                 return CMD_HELP;
2704         }
2705
2706         if (optind != argc - 1) {
2707                 fprintf(stderr, "error: unexpected parameters encountered\n");
2708                 return CMD_HELP;
2709         }
2710
2711         mnt = argv[optind];
2712
2713         if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
2714             (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
2715                 /* sigh, we can't just set blimits/ilimits */
2716                 struct if_quotactl tmp_qctl = {.qc_cmd  = LUSTRE_Q_GETQUOTA,
2717                                                .qc_type = qctl.qc_type,
2718                                                .qc_id   = qctl.qc_id};
2719
2720                 rc = llapi_quotactl(mnt, &tmp_qctl);
2721                 if (rc < 0) {
2722                         fprintf(stderr, "error: setquota failed while retrieving"
2723                                         " current quota settings (%s)\n",
2724                                         strerror(-rc));
2725                         return rc;
2726                 }
2727
2728                 if (!(limit_mask & BHLIMIT))
2729                         dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
2730                 if (!(limit_mask & BSLIMIT))
2731                         dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
2732                 if (!(limit_mask & IHLIMIT))
2733                         dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
2734                 if (!(limit_mask & ISLIMIT))
2735                         dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
2736
2737                 /* Keep grace times if we have got no softlimit arguments */
2738                 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
2739                         dqb->dqb_valid |= QIF_BTIME;
2740                         dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
2741                 }
2742
2743                 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
2744                         dqb->dqb_valid |= QIF_ITIME;
2745                         dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
2746                 }
2747         }
2748
2749         dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
2750         dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
2751
2752         rc = llapi_quotactl(mnt, &qctl);
2753         if (rc) {
2754                 if (*obd_type)
2755                         fprintf(stderr, "%s %s ", obd_type,
2756                                 obd_uuid2str(&qctl.obd_uuid));
2757                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2758                 return rc;
2759         }
2760
2761         return 0;
2762 }
2763
2764 static inline char *type2name(int check_type)
2765 {
2766         if (check_type == USRQUOTA)
2767                 return "user";
2768         else if (check_type == GRPQUOTA)
2769                 return "group";
2770         else
2771                 return "unknown";
2772 }
2773
2774 /* Converts seconds value into format string
2775  * result is returned in buf
2776  * Notes:
2777  *        1. result is in descenting order: 1w2d3h4m5s
2778  *        2. zero fields are not filled (except for p. 3): 5d1s
2779  *        3. zero seconds value is presented as "0s"
2780  */
2781 static char * __sec2str(time_t seconds, char *buf)
2782 {
2783         const char spec[] = "smhdw";
2784         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2785         unsigned long c;
2786         char *tail = buf;
2787         int i;
2788
2789         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
2790                 c = seconds / mult[i];
2791
2792                 if (c > 0 || (i == 0 && buf == tail))
2793                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
2794
2795                 seconds %= mult[i];
2796         }
2797
2798         return tail;
2799 }
2800
2801 static void sec2str(time_t seconds, char *buf, int rc)
2802 {
2803         char *tail = buf;
2804
2805         if (rc)
2806                 *tail++ = '[';
2807
2808         tail = __sec2str(seconds, tail);
2809
2810         if (rc && tail - buf < 39) {
2811                 *tail++ = ']';
2812                 *tail++ = 0;
2813         }
2814 }
2815
2816 static void diff2str(time_t seconds, char *buf, time_t now)
2817 {
2818
2819         buf[0] = 0;
2820         if (!seconds)
2821                 return;
2822         if (seconds <= now) {
2823                 strcpy(buf, "none");
2824                 return;
2825         }
2826         __sec2str(seconds - now, buf);
2827 }
2828
2829 static void print_quota_title(char *name, struct if_quotactl *qctl,
2830                               bool human_readable)
2831 {
2832         printf("Disk quotas for %s %s (%cid %u):\n",
2833                type2name(qctl->qc_type), name,
2834                *type2name(qctl->qc_type), qctl->qc_id);
2835         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
2836                "Filesystem", human_readable ? "used" : "kbytes",
2837                "quota", "limit", "grace",
2838                "files", "quota", "limit", "grace");
2839 }
2840
2841 static void kbytes2str(__u64 num, char *buf, bool h)
2842 {
2843         if (!h) {
2844                 sprintf(buf, LPU64, num);
2845         } else {
2846                 if (num >> 30)
2847                         sprintf(buf, "%5.4gT", (double)num / (1 << 30));
2848                 else if (num >> 20)
2849                         sprintf(buf, "%5.4gG", (double)num / (1 << 20));
2850                 else if (num >> 10)
2851                         sprintf(buf, "%5.4gM", (double)num / (1 << 10));
2852                 else
2853                         sprintf(buf, LPU64"%s", num, "k");
2854         }
2855 }
2856
2857 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
2858                         int rc, bool h)
2859 {
2860         time_t now;
2861
2862         time(&now);
2863
2864         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
2865                 int bover = 0, iover = 0;
2866                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
2867                 char numbuf[3][32];
2868                 char timebuf[40];
2869                 char strbuf[32];
2870
2871                 if (dqb->dqb_bhardlimit &&
2872                     lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
2873                         bover = 1;
2874                 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
2875                         if (dqb->dqb_btime > now) {
2876                                 bover = 2;
2877                         } else {
2878                                 bover = 3;
2879                         }
2880                 }
2881
2882                 if (dqb->dqb_ihardlimit &&
2883                     dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
2884                         iover = 1;
2885                 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
2886                         if (dqb->dqb_itime > now) {
2887                                 iover = 2;
2888                         } else {
2889                                 iover = 3;
2890                         }
2891                 }
2892
2893
2894                 if (strlen(mnt) > 15)
2895                         printf("%s\n%15s", mnt, "");
2896                 else
2897                         printf("%15s", mnt);
2898
2899                 if (bover)
2900                         diff2str(dqb->dqb_btime, timebuf, now);
2901
2902                 kbytes2str(lustre_stoqb(dqb->dqb_curspace), strbuf, h);
2903                 if (rc == -EREMOTEIO)
2904                         sprintf(numbuf[0], "%s*", strbuf);
2905                 else
2906                         sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
2907                                 "%s" : "[%s]", strbuf);
2908
2909                 kbytes2str(dqb->dqb_bsoftlimit, strbuf, h);
2910                 if (type == QC_GENERAL)
2911                         sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
2912                                 "%s" : "[%s]", strbuf);
2913                 else
2914                         sprintf(numbuf[1], "%s", "-");
2915
2916                 kbytes2str(dqb->dqb_bhardlimit, strbuf, h);
2917                 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
2918                         "%s" : "[%s]", strbuf);
2919
2920                 printf(" %7s%c %6s %7s %7s",
2921                        numbuf[0], bover ? '*' : ' ', numbuf[1],
2922                        numbuf[2], bover > 1 ? timebuf : "-");
2923
2924                 if (iover)
2925                         diff2str(dqb->dqb_itime, timebuf, now);
2926
2927                 sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
2928                         LPU64 : "["LPU64"]", dqb->dqb_curinodes);
2929
2930                 if (type == QC_GENERAL)
2931                         sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
2932                                 LPU64 : "["LPU64"]", dqb->dqb_isoftlimit);
2933                 else
2934                         sprintf(numbuf[1], "%s", "-");
2935
2936                 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
2937                         LPU64 : "["LPU64"]", dqb->dqb_ihardlimit);
2938
2939                 if (type != QC_OSTIDX)
2940                         printf(" %7s%c %6s %7s %7s",
2941                                numbuf[0], iover ? '*' : ' ', numbuf[1],
2942                                numbuf[2], iover > 1 ? timebuf : "-");
2943                 else
2944                         printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
2945                 printf("\n");
2946
2947         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
2948                    qctl->qc_cmd == Q_GETOINFO) {
2949                 char bgtimebuf[40];
2950                 char igtimebuf[40];
2951
2952                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
2953                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
2954                 printf("Block grace time: %s; Inode grace time: %s\n",
2955                        bgtimebuf, igtimebuf);
2956         }
2957 }
2958
2959 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
2960                            bool h, __u64 *total)
2961 {
2962         int rc = 0, rc1 = 0, count = 0;
2963         __u32 valid = qctl->qc_valid;
2964
2965         rc = llapi_get_obd_count(mnt, &count, is_mdt);
2966         if (rc) {
2967                 fprintf(stderr, "can not get %s count: %s\n",
2968                         is_mdt ? "mdt": "ost", strerror(-rc));
2969                 return rc;
2970         }
2971
2972         for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
2973                 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
2974                 rc = llapi_quotactl(mnt, qctl);
2975                 if (rc) {
2976                         /* It is remote client case. */
2977                         if (-rc == EOPNOTSUPP) {
2978                                 rc = 0;
2979                                 goto out;
2980                         }
2981
2982                         if (!rc1)
2983                                 rc1 = rc;
2984                         fprintf(stderr, "quotactl %s%d failed.\n",
2985                                 is_mdt ? "mdt": "ost", qctl->qc_idx);
2986                         continue;
2987                 }
2988
2989                 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
2990                             qctl->qc_valid, 0, h);
2991                 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
2992                                    qctl->qc_dqblk.dqb_bhardlimit;
2993         }
2994 out:
2995         qctl->qc_valid = valid;
2996         return rc ? : rc1;
2997 }
2998
2999 static int lfs_quota(int argc, char **argv)
3000 {
3001         int c;
3002         char *mnt, *name = NULL;
3003         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
3004                                     .qc_type = UGQUOTA };
3005         char *obd_type = (char *)qctl.obd_type;
3006         char *obd_uuid = (char *)qctl.obd_uuid.uuid;
3007         int rc, rc1 = 0, rc2 = 0, rc3 = 0,
3008             verbose = 0, pass = 0, quiet = 0, inacc;
3009         char *endptr;
3010         __u32 valid = QC_GENERAL, idx = 0;
3011         __u64 total_ialloc = 0, total_balloc = 0;
3012         bool human_readable = false;
3013
3014         while ((c = getopt(argc, argv, "gi:I:o:qtuvh")) != -1) {
3015                 switch (c) {
3016                 case 'u':
3017                         if (qctl.qc_type != UGQUOTA) {
3018                                 fprintf(stderr, "error: use either -u or -g\n");
3019                                 return CMD_HELP;
3020                         }
3021                         qctl.qc_type = USRQUOTA;
3022                         break;
3023                 case 'g':
3024                         if (qctl.qc_type != UGQUOTA) {
3025                                 fprintf(stderr, "error: use either -u or -g\n");
3026                                 return CMD_HELP;
3027                         }
3028                         qctl.qc_type = GRPQUOTA;
3029                         break;
3030                 case 't':
3031                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
3032                         break;
3033                 case 'o':
3034                         valid = qctl.qc_valid = QC_UUID;
3035                         strlcpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
3036                         break;
3037                 case 'i':
3038                         valid = qctl.qc_valid = QC_MDTIDX;
3039                         idx = qctl.qc_idx = atoi(optarg);
3040                         break;
3041                 case 'I':
3042                         valid = qctl.qc_valid = QC_OSTIDX;
3043                         idx = qctl.qc_idx = atoi(optarg);
3044                         break;
3045                 case 'v':
3046                         verbose = 1;
3047                         break;
3048                 case 'q':
3049                         quiet = 1;
3050                         break;
3051                 case 'h':
3052                         human_readable = true;
3053                         break;
3054                 default:
3055                         fprintf(stderr, "error: %s: option '-%c' "
3056                                         "unrecognized\n", argv[0], c);
3057                         return CMD_HELP;
3058                 }
3059         }
3060
3061         /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
3062         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == UGQUOTA &&
3063             optind == argc - 1) {
3064 ug_output:
3065                 memset(&qctl, 0, sizeof(qctl)); /* spoiled by print_*_quota */
3066                 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
3067                 qctl.qc_valid = valid;
3068                 qctl.qc_idx = idx;
3069                 if (pass++ == 0) {
3070                         qctl.qc_type = USRQUOTA;
3071                         qctl.qc_id = geteuid();
3072                 } else {
3073                         qctl.qc_type = GRPQUOTA;
3074                         qctl.qc_id = getegid();
3075                 }
3076                 rc = id2name(&name, qctl.qc_id,
3077                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
3078                 if (rc)
3079                         name = "<unknown>";
3080         /* lfs quota -u username /path/to/lustre/mount */
3081         } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
3082                 /* options should be followed by u/g-name and mntpoint */
3083                 if (optind + 2 != argc || qctl.qc_type == UGQUOTA) {
3084                         fprintf(stderr, "error: missing quota argument(s)\n");
3085                         return CMD_HELP;
3086                 }
3087
3088                 name = argv[optind++];
3089                 rc = name2id(&qctl.qc_id, name,
3090                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
3091                 if (rc) {
3092                         qctl.qc_id = strtoul(name, &endptr, 10);
3093                         if (*endptr != '\0') {
3094                                 fprintf(stderr, "error: can't find id for name "
3095                                         "%s\n", name);
3096                                 return CMD_HELP;
3097                         }
3098                 }
3099         } else if (optind + 1 != argc || qctl.qc_type == UGQUOTA) {
3100                 fprintf(stderr, "error: missing quota info argument(s)\n");
3101                 return CMD_HELP;
3102         }
3103
3104         mnt = argv[optind];
3105
3106         rc1 = llapi_quotactl(mnt, &qctl);
3107         if (rc1 < 0) {
3108                 switch (rc1) {
3109                 case -ESRCH:
3110                         fprintf(stderr, "%s quotas are not enabled.\n",
3111                                 qctl.qc_type == USRQUOTA ? "user" : "group");
3112                         goto out;
3113                 case -EPERM:
3114                         fprintf(stderr, "Permission denied.\n");
3115                 case -ENOENT:
3116                         /* We already got a "No such file..." message. */
3117                         goto out;
3118                 default:
3119                         fprintf(stderr, "Unexpected quotactl error: %s\n",
3120                                 strerror(-rc1));
3121                 }
3122         }
3123
3124         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
3125                 print_quota_title(name, &qctl, human_readable);
3126
3127         if (rc1 && *obd_type)
3128                 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
3129
3130         if (qctl.qc_valid != QC_GENERAL)
3131                 mnt = "";
3132
3133         inacc = (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) &&
3134                 ((qctl.qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
3135                  (QIF_LIMITS|QIF_USAGE));
3136
3137         print_quota(mnt, &qctl, QC_GENERAL, rc1, human_readable);
3138
3139         if (qctl.qc_valid == QC_GENERAL && qctl.qc_cmd != LUSTRE_Q_GETINFO &&
3140             verbose) {
3141                 char strbuf[32];
3142
3143                 rc2 = print_obd_quota(mnt, &qctl, 1, human_readable,
3144                                       &total_ialloc);
3145                 rc3 = print_obd_quota(mnt, &qctl, 0, human_readable,
3146                                       &total_balloc);
3147                 kbytes2str(total_balloc, strbuf, human_readable);
3148                 printf("Total allocated inode limit: "LPU64", total "
3149                        "allocated block limit: %s\n", total_ialloc, strbuf);
3150         }
3151
3152         if (rc1 || rc2 || rc3 || inacc)
3153                 printf("Some errors happened when getting quota info. "
3154                        "Some devices may be not working or deactivated. "
3155                        "The data in \"[]\" is inaccurate.\n");
3156
3157 out:
3158         if (pass == 1)
3159                 goto ug_output;
3160
3161         return rc1;
3162 }
3163 #endif /* HAVE_SYS_QUOTA_H! */
3164
3165 static int flushctx_ioctl(char *mp)
3166 {
3167         int fd, rc;
3168
3169         fd = open(mp, O_RDONLY);
3170         if (fd == -1) {
3171                 fprintf(stderr, "flushctx: error open %s: %s\n",
3172                         mp, strerror(errno));
3173                 return -1;
3174         }
3175
3176         rc = ioctl(fd, LL_IOC_FLUSHCTX);
3177         if (rc == -1)
3178                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
3179                         mp, strerror(errno));
3180
3181         close(fd);
3182         return rc;
3183 }
3184
3185 static int lfs_flushctx(int argc, char **argv)
3186 {
3187         int     kdestroy = 0, c;
3188         char    mntdir[PATH_MAX] = {'\0'};
3189         int     index = 0;
3190         int     rc = 0;
3191
3192         while ((c = getopt(argc, argv, "k")) != -1) {
3193                 switch (c) {
3194                 case 'k':
3195                         kdestroy = 1;
3196                         break;
3197                 default:
3198                         fprintf(stderr, "error: %s: option '-%c' "
3199                                         "unrecognized\n", argv[0], c);
3200                         return CMD_HELP;
3201                 }
3202         }
3203
3204         if (kdestroy) {
3205             if ((rc = system("kdestroy > /dev/null")) != 0) {
3206                 rc = WEXITSTATUS(rc);
3207                 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
3208             }
3209         }
3210
3211         if (optind >= argc) {
3212                 /* flush for all mounted lustre fs. */
3213                 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
3214                         /* Check if we have a mount point */
3215                         if (mntdir[0] == '\0')
3216                                 continue;
3217
3218                         if (flushctx_ioctl(mntdir))
3219                                 rc = -1;
3220
3221                         mntdir[0] = '\0'; /* avoid matching in next loop */
3222                 }
3223         } else {
3224                 /* flush fs as specified */
3225                 while (optind < argc) {
3226                         if (flushctx_ioctl(argv[optind++]))
3227                                 rc = -1;
3228                 }
3229         }
3230         return rc;
3231 }
3232
3233 static int lfs_lsetfacl(int argc, char **argv)
3234 {
3235         argv[0]++;
3236         return(llapi_lsetfacl(argc, argv));
3237 }
3238
3239 static int lfs_lgetfacl(int argc, char **argv)
3240 {
3241         argv[0]++;
3242         return(llapi_lgetfacl(argc, argv));
3243 }
3244
3245 static int lfs_rsetfacl(int argc, char **argv)
3246 {
3247         argv[0]++;
3248         return(llapi_rsetfacl(argc, argv));
3249 }
3250
3251 static int lfs_rgetfacl(int argc, char **argv)
3252 {
3253         argv[0]++;
3254         return(llapi_rgetfacl(argc, argv));
3255 }
3256
3257 static int lfs_cp(int argc, char **argv)
3258 {
3259         return(llapi_cp(argc, argv));
3260 }
3261
3262 static int lfs_ls(int argc, char **argv)
3263 {
3264         return(llapi_ls(argc, argv));
3265 }
3266
3267 static int lfs_changelog(int argc, char **argv)
3268 {
3269         void *changelog_priv;
3270         struct changelog_rec *rec;
3271         long long startrec = 0, endrec = 0;
3272         char *mdd;
3273         struct option long_opts[] = {
3274                 {"follow", no_argument, 0, 'f'},
3275                 {0, 0, 0, 0}
3276         };
3277         char short_opts[] = "f";
3278         int rc, follow = 0;
3279
3280         while ((rc = getopt_long(argc, argv, short_opts,
3281                                 long_opts, NULL)) != -1) {
3282                 switch (rc) {
3283                 case 'f':
3284                         follow++;
3285                         break;
3286                 case '?':
3287                         return CMD_HELP;
3288                 default:
3289                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3290                                 argv[0], argv[optind - 1]);
3291                         return CMD_HELP;
3292                 }
3293         }
3294         if (optind >= argc)
3295                 return CMD_HELP;
3296
3297         mdd = argv[optind++];
3298         if (argc > optind)
3299                 startrec = strtoll(argv[optind++], NULL, 10);
3300         if (argc > optind)
3301                 endrec = strtoll(argv[optind++], NULL, 10);
3302
3303         rc = llapi_changelog_start(&changelog_priv,
3304                                    CHANGELOG_FLAG_BLOCK |
3305                                    CHANGELOG_FLAG_JOBID |
3306                                    (follow ? CHANGELOG_FLAG_FOLLOW : 0),
3307                                    mdd, startrec);
3308         if (rc < 0) {
3309                 fprintf(stderr, "Can't start changelog: %s\n",
3310                         strerror(errno = -rc));
3311                 return rc;
3312         }
3313
3314         while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
3315                 time_t secs;
3316                 struct tm ts;
3317
3318                 if (endrec && rec->cr_index > endrec) {
3319                         llapi_changelog_free(&rec);
3320                         break;
3321                 }
3322                 if (rec->cr_index < startrec) {
3323                         llapi_changelog_free(&rec);
3324                         continue;
3325                 }
3326
3327                 secs = rec->cr_time >> 30;
3328                 gmtime_r(&secs, &ts);
3329                 printf(LPU64" %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d "
3330                        "0x%x t="DFID, rec->cr_index, rec->cr_type,
3331                        changelog_type2str(rec->cr_type),
3332                        ts.tm_hour, ts.tm_min, ts.tm_sec,
3333                        (int)(rec->cr_time & ((1<<30) - 1)),
3334                        ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
3335                        rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
3336
3337                 if (rec->cr_flags & CLF_JOBID) {
3338                         struct changelog_ext_jobid *jid =
3339                                 changelog_rec_jobid(rec);
3340
3341                         if (jid->cr_jobid[0] != '\0')
3342                                 printf(" j=%s", jid->cr_jobid);
3343                 }
3344
3345                 if (rec->cr_namelen)
3346                         printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
3347                                rec->cr_namelen, changelog_rec_name(rec));
3348
3349                 if (rec->cr_flags & CLF_RENAME) {
3350                         struct changelog_ext_rename *rnm =
3351                                 changelog_rec_rename(rec);
3352
3353                         if (!fid_is_zero(&rnm->cr_sfid))
3354                                 printf(" s="DFID" sp="DFID" %.*s",
3355                                        PFID(&rnm->cr_sfid),
3356                                        PFID(&rnm->cr_spfid),
3357                                        (int)changelog_rec_snamelen(rec),
3358                                        changelog_rec_sname(rec));
3359                 }
3360                 printf("\n");
3361
3362                 llapi_changelog_free(&rec);
3363         }
3364
3365         llapi_changelog_fini(&changelog_priv);
3366
3367         if (rc < 0)
3368                 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
3369
3370         return (rc == 1 ? 0 : rc);
3371 }
3372
3373 static int lfs_changelog_clear(int argc, char **argv)
3374 {
3375         long long endrec;
3376         int rc;
3377
3378         if (argc != 4)
3379                 return CMD_HELP;
3380
3381         endrec = strtoll(argv[3], NULL, 10);
3382
3383         rc = llapi_changelog_clear(argv[1], argv[2], endrec);
3384         if (rc)
3385                 fprintf(stderr, "%s error: %s\n", argv[0],
3386                         strerror(errno = -rc));
3387         return rc;
3388 }
3389
3390 static int lfs_fid2path(int argc, char **argv)
3391 {
3392         struct option long_opts[] = {
3393                 {"cur", no_argument, 0, 'c'},
3394                 {"link", required_argument, 0, 'l'},
3395                 {"rec", required_argument, 0, 'r'},
3396                 {0, 0, 0, 0}
3397         };
3398         char  short_opts[] = "cl:r:";
3399         char *device, *fid, *path;
3400         long long recno = -1;
3401         int linkno = -1;
3402         int lnktmp;
3403         int printcur = 0;
3404         int rc = 0;
3405
3406         while ((rc = getopt_long(argc, argv, short_opts,
3407                                 long_opts, NULL)) != -1) {
3408                 switch (rc) {
3409                 case 'c':
3410                         printcur++;
3411                         break;
3412                 case 'l':
3413                         linkno = strtol(optarg, NULL, 10);
3414                         break;
3415                 case 'r':
3416                         recno = strtoll(optarg, NULL, 10);
3417                         break;
3418                 case '?':
3419                         return CMD_HELP;
3420                 default:
3421                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3422                                 argv[0], argv[optind - 1]);
3423                         return CMD_HELP;
3424                 }
3425         }
3426
3427         if (argc < 3)
3428                 return CMD_HELP;
3429
3430         device = argv[optind++];
3431         path = calloc(1, PATH_MAX);
3432         if (path == NULL) {
3433                 fprintf(stderr, "error: Not enough memory\n");
3434                 return -errno;
3435         }
3436
3437         rc = 0;
3438         while (optind < argc) {
3439                 fid = argv[optind++];
3440
3441                 lnktmp = (linkno >= 0) ? linkno : 0;
3442                 while (1) {
3443                         int oldtmp = lnktmp;
3444                         long long rectmp = recno;
3445                         int rc2;
3446                         rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
3447                                              &rectmp, &lnktmp);
3448                         if (rc2 < 0) {
3449                                 fprintf(stderr, "%s: error on FID %s: %s\n",
3450                                         argv[0], fid, strerror(errno = -rc2));
3451                                 if (rc == 0)
3452                                         rc = rc2;
3453                                 break;
3454                         }
3455
3456                         if (printcur)
3457                                 fprintf(stdout, "%lld ", rectmp);
3458                         if (device[0] == '/') {
3459                                 fprintf(stdout, "%s", device);
3460                                 if (device[strlen(device) - 1] != '/')
3461                                         fprintf(stdout, "/");
3462                         } else if (path[0] == '\0') {
3463                                 fprintf(stdout, "/");
3464                         }
3465                         fprintf(stdout, "%s\n", path);
3466
3467                         if (linkno >= 0)
3468                                 /* specified linkno */
3469                                 break;
3470                         if (oldtmp == lnktmp)
3471                                 /* no more links */
3472                                 break;
3473                 }
3474         }
3475
3476         free(path);
3477         return rc;
3478 }
3479
3480 static int lfs_path2fid(int argc, char **argv)
3481 {
3482         struct option     long_opts[] = {
3483                 {"parents", no_argument, 0, 'p'},
3484                 {0, 0, 0, 0}
3485         };
3486         char            **path;
3487         const char        short_opts[] = "p";
3488         const char       *sep = "";
3489         lustre_fid        fid;
3490         int               rc = 0;
3491         bool              show_parents = false;
3492
3493         while ((rc = getopt_long(argc, argv, short_opts,
3494                                  long_opts, NULL)) != -1) {
3495                 switch (rc) {
3496                 case 'p':
3497                         show_parents = true;
3498                         break;
3499                 default:
3500                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3501                                 argv[0], argv[optind - 1]);
3502                         return CMD_HELP;
3503                 }
3504         }
3505
3506         if (optind > argc - 1)
3507                 return CMD_HELP;
3508         else if (optind < argc - 1)
3509                 sep = ": ";
3510
3511         rc = 0;
3512         for (path = argv + optind; *path != NULL; path++) {
3513                 int err = 0;
3514                 if (!show_parents) {
3515                         err = llapi_path2fid(*path, &fid);
3516                         if (!err)
3517                                 printf("%s%s"DFID"\n",
3518                                        *sep != '\0' ? *path : "", sep,
3519                                        PFID(&fid));
3520                 } else {
3521                         char            name[NAME_MAX + 1];
3522                         unsigned int    linkno = 0;
3523
3524                         while ((err = llapi_path2parent(*path, linkno, &fid,
3525                                                 name, sizeof(name))) == 0) {
3526                                 if (*sep != '\0' && linkno == 0)
3527                                         printf("%s%s", *path, sep);
3528
3529                                 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
3530                                        PFID(&fid), name);
3531                                 linkno++;
3532                         }
3533
3534                         /* err == -ENODATA is end-of-loop */
3535                         if (linkno > 0 && err == -ENODATA) {
3536                                 printf("\n");
3537                                 err = 0;
3538                         }
3539                 }
3540
3541                 if (err) {
3542                         fprintf(stderr, "%s: can't get %sfid for %s: %s\n",
3543                                 argv[0], show_parents ? "parent " : "", *path,
3544                                 strerror(-err));
3545                         if (rc == 0) {
3546                                 rc = err;
3547                                 errno = -err;
3548                         }
3549                 }
3550         }
3551
3552         return rc;
3553 }
3554
3555 static int lfs_data_version(int argc, char **argv)
3556 {
3557         char *path;
3558         __u64 data_version;
3559         int fd;
3560         int rc;
3561         int c;
3562         int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
3563
3564         if (argc < 2)
3565                 return CMD_HELP;
3566
3567         while ((c = getopt(argc, argv, "nrw")) != -1) {
3568                 switch (c) {
3569                 case 'n':
3570                         data_version_flags = 0;
3571                         break;
3572                 case 'r':
3573                         data_version_flags |= LL_DV_RD_FLUSH;
3574                         break;
3575                 case 'w':
3576                         data_version_flags |= LL_DV_WR_FLUSH;
3577                         break;
3578                 default:
3579                         return CMD_HELP;
3580                 }
3581         }
3582         if (optind == argc)
3583                 return CMD_HELP;
3584
3585         path = argv[optind];
3586         fd = open(path, O_RDONLY);
3587         if (fd < 0)
3588                 err(errno, "cannot open file %s", path);
3589
3590         rc = llapi_get_data_version(fd, &data_version, data_version_flags);
3591         if (rc < 0)
3592                 err(errno, "cannot get version for %s", path);
3593         else
3594                 printf(LPU64 "\n", data_version);
3595
3596         close(fd);
3597         return rc;
3598 }
3599
3600 static int lfs_hsm_state(int argc, char **argv)
3601 {
3602         int rc;
3603         int i = 1;
3604         char *path;
3605         struct hsm_user_state hus;
3606
3607         if (argc < 2)
3608                 return CMD_HELP;
3609
3610         do {
3611                 path = argv[i];
3612
3613                 rc = llapi_hsm_state_get(path, &hus);
3614                 if (rc) {
3615                         fprintf(stderr, "can't get hsm state for %s: %s\n",
3616                                 path, strerror(errno = -rc));
3617                         return rc;
3618                 }
3619
3620                 /* Display path name and status flags */
3621                 printf("%s: (0x%08x)", path, hus.hus_states);
3622
3623                 if (hus.hus_states & HS_RELEASED)
3624                         printf(" released");
3625                 if (hus.hus_states & HS_EXISTS)
3626                         printf(" exists");
3627                 if (hus.hus_states & HS_DIRTY)
3628                         printf(" dirty");
3629                 if (hus.hus_states & HS_ARCHIVED)
3630                         printf(" archived");
3631                 /* Display user-settable flags */
3632                 if (hus.hus_states & HS_NORELEASE)
3633                         printf(" never_release");
3634                 if (hus.hus_states & HS_NOARCHIVE)
3635                         printf(" never_archive");
3636                 if (hus.hus_states & HS_LOST)
3637                         printf(" lost_from_hsm");
3638
3639                 if (hus.hus_archive_id != 0)
3640                         printf(", archive_id:%d", hus.hus_archive_id);
3641                 printf("\n");
3642
3643         } while (++i < argc);
3644
3645         return 0;
3646 }
3647
3648 #define LFS_HSM_SET   0
3649 #define LFS_HSM_CLEAR 1
3650
3651 /**
3652  * Generic function to set or clear HSM flags.
3653  * Used by hsm_set and hsm_clear.
3654  *
3655  * @mode  if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
3656  */
3657 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
3658 {
3659         struct option long_opts[] = {
3660                 {"lost", 0, 0, 'l'},
3661                 {"norelease", 0, 0, 'r'},
3662                 {"noarchive", 0, 0, 'a'},
3663                 {"archived", 0, 0, 'A'},
3664                 {"dirty", 0, 0, 'd'},
3665                 {"exists", 0, 0, 'e'},
3666                 {0, 0, 0, 0}
3667         };
3668         char short_opts[] = "lraAde";
3669         __u64 mask = 0;
3670         int c, rc;
3671         char *path;
3672
3673         if (argc < 3)
3674                 return CMD_HELP;
3675
3676         while ((c = getopt_long(argc, argv, short_opts,
3677                                 long_opts, NULL)) != -1) {
3678                 switch (c) {
3679                 case 'l':
3680                         mask |= HS_LOST;
3681                         break;
3682                 case 'a':
3683                         mask |= HS_NOARCHIVE;
3684                         break;
3685                 case 'A':
3686                         mask |= HS_ARCHIVED;
3687                         break;
3688                 case 'r':
3689                         mask |= HS_NORELEASE;
3690                         break;
3691                 case 'd':
3692                         mask |= HS_DIRTY;
3693                         break;
3694                 case 'e':
3695                         mask |= HS_EXISTS;
3696                         break;
3697                 case '?':
3698                         return CMD_HELP;
3699                 default:
3700                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3701                                 argv[0], argv[optind - 1]);
3702                         return CMD_HELP;
3703                 }
3704         }
3705
3706         /* User should have specified a flag */
3707         if (mask == 0)
3708                 return CMD_HELP;
3709
3710         while (optind < argc) {
3711
3712                 path = argv[optind];
3713
3714                 /* If mode == 0, this means we apply the mask. */
3715                 if (mode == LFS_HSM_SET)
3716                         rc = llapi_hsm_state_set(path, mask, 0, 0);
3717                 else
3718                         rc = llapi_hsm_state_set(path, 0, mask, 0);
3719
3720                 if (rc != 0) {
3721                         fprintf(stderr, "Can't change hsm flags for %s: %s\n",
3722                                 path, strerror(errno = -rc));
3723                         return rc;
3724                 }
3725                 optind++;
3726         }
3727
3728         return 0;
3729 }
3730
3731 static int lfs_hsm_action(int argc, char **argv)
3732 {
3733         int                              rc;
3734         int                              i = 1;
3735         char                            *path;
3736         struct hsm_current_action        hca;
3737         struct hsm_extent                he;
3738         enum hsm_user_action             hua;
3739         enum hsm_progress_states         hps;
3740
3741         if (argc < 2)
3742                 return CMD_HELP;
3743
3744         do {
3745                 path = argv[i];
3746
3747                 rc = llapi_hsm_current_action(path, &hca);
3748                 if (rc) {
3749                         fprintf(stderr, "can't get hsm action for %s: %s\n",
3750                                 path, strerror(errno = -rc));
3751                         return rc;
3752                 }
3753                 he = hca.hca_location;
3754                 hua = hca.hca_action;
3755                 hps = hca.hca_state;
3756
3757                 printf("%s: %s", path, hsm_user_action2name(hua));
3758
3759                 /* Skip file without action */
3760                 if (hca.hca_action == HUA_NONE) {
3761                         printf("\n");
3762                         continue;
3763                 }
3764
3765                 printf(" %s ", hsm_progress_state2name(hps));
3766
3767                 if ((hps == HPS_RUNNING) &&
3768                     (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
3769                         printf("("LPX64 " bytes moved)\n", he.length);
3770                 else if ((he.offset + he.length) == LUSTRE_EOF)
3771                         printf("(from "LPX64 " to EOF)\n", he.offset);
3772                 else
3773                         printf("(from "LPX64 " to "LPX64")\n",
3774                                he.offset, he.offset + he.length);
3775
3776         } while (++i < argc);
3777
3778         return 0;
3779 }
3780
3781 static int lfs_hsm_set(int argc, char **argv)
3782 {
3783         return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
3784 }
3785
3786 static int lfs_hsm_clear(int argc, char **argv)
3787 {
3788         return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
3789 }
3790
3791 /**
3792  * Check file state and return its fid, to be used by lfs_hsm_request().
3793  *
3794  * \param[in]     file      Path to file to check
3795  * \param[in,out] fid       Pointer to allocated lu_fid struct.
3796  * \param[in,out] last_dev  Pointer to last device id used.
3797  *
3798  * \return 0 on success.
3799  */
3800 static int lfs_hsm_prepare_file(char *file, struct lu_fid *fid,
3801                                 dev_t *last_dev)
3802 {
3803         struct stat     st;
3804         int             rc;
3805
3806         rc = lstat(file, &st);
3807         if (rc) {
3808                 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
3809                 return -errno;
3810         }
3811         /* Checking for regular file as archiving as posix copytool
3812          * rejects archiving files other than regular files
3813          */
3814         if (!S_ISREG(st.st_mode)) {
3815                 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
3816                 return CMD_HELP;
3817         }
3818         /* A request should be ... */
3819         if (*last_dev != st.st_dev && *last_dev != 0) {
3820                 fprintf(stderr, "All files should be "
3821                         "on the same filesystem: %s\n", file);
3822                 return -EINVAL;
3823         }
3824         *last_dev = st.st_dev;
3825
3826         rc = llapi_path2fid(file, fid);
3827         if (rc) {
3828                 fprintf(stderr, "Cannot read FID of %s: %s\n",
3829                         file, strerror(-rc));
3830                 return rc;
3831         }
3832         return 0;
3833 }
3834
3835 static int lfs_hsm_request(int argc, char **argv, int action)
3836 {
3837         struct option            long_opts[] = {
3838                 {"filelist", 1, 0, 'l'},
3839                 {"data", 1, 0, 'D'},
3840                 {"archive", 1, 0, 'a'},
3841                 {0, 0, 0, 0}
3842         };
3843         dev_t                    last_dev = 0;
3844         char                     short_opts[] = "l:D:a:";
3845         struct hsm_user_request *hur, *oldhur;
3846         int                      c, i;
3847         size_t                   len;
3848         int                      nbfile;
3849         char                    *line = NULL;
3850         char                    *filelist = NULL;
3851         char                     fullpath[PATH_MAX];
3852         char                    *opaque = NULL;
3853         int                      opaque_len = 0;
3854         int                      archive_id = 0;
3855         FILE                    *fp;
3856         int                      nbfile_alloc = 0;
3857         char                     some_file[PATH_MAX+1] = "";
3858         int                      rc;
3859
3860         if (argc < 2)
3861                 return CMD_HELP;
3862
3863         while ((c = getopt_long(argc, argv, short_opts,
3864                                 long_opts, NULL)) != -1) {
3865                 switch (c) {
3866                 case 'l':
3867                         filelist = optarg;
3868                         break;
3869                 case 'D':
3870                         opaque = optarg;
3871                         break;
3872                 case 'a':
3873                         if (action != HUA_ARCHIVE) {
3874                                 fprintf(stderr,
3875                                         "error: -a is supported only "
3876                                         "when archiving\n");
3877                                 return CMD_HELP;
3878                         }
3879                         archive_id = atoi(optarg);
3880                         break;
3881                 case '?':
3882                         return CMD_HELP;
3883                 default:
3884                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3885                                 argv[0], argv[optind - 1]);
3886                         return CMD_HELP;
3887                 }
3888         }
3889
3890         /* All remaining args are files, so we have at least nbfile */
3891         nbfile = argc - optind;
3892
3893         if ((nbfile == 0) && (filelist == NULL))
3894                 return CMD_HELP;
3895
3896         if (opaque != NULL)
3897                 opaque_len = strlen(opaque);
3898
3899         /* Alloc the request structure with enough place to store all files
3900          * from command line. */
3901         hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
3902         if (hur == NULL) {
3903                 fprintf(stderr, "Cannot create the request: %s\n",
3904                         strerror(errno));
3905                 return errno;
3906         }
3907         nbfile_alloc = nbfile;
3908
3909         hur->hur_request.hr_action = action;
3910         hur->hur_request.hr_archive_id = archive_id;
3911         hur->hur_request.hr_flags = 0;
3912
3913         /* All remaining args are files, add them */
3914         if (nbfile != 0) {
3915                 if (strlen(argv[optind]) > sizeof(some_file)-1) {
3916                         free(hur);
3917                         return -E2BIG;
3918                 }
3919                 strncpy(some_file, argv[optind], sizeof(some_file));
3920         }
3921
3922         for (i = 0; i < nbfile; i++) {
3923                 hur->hur_user_item[i].hui_extent.length = -1;
3924                 rc = lfs_hsm_prepare_file(argv[optind + i],
3925                                           &hur->hur_user_item[i].hui_fid,
3926                                           &last_dev);
3927                 hur->hur_request.hr_itemcount++;
3928                 if (rc)
3929                         goto out_free;
3930         }
3931
3932         /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
3933
3934         /* If a filelist was specified, read the filelist from it. */
3935         if (filelist != NULL) {
3936                 fp = fopen(filelist, "r");
3937                 if (fp == NULL) {
3938                         fprintf(stderr, "Cannot read the file list %s: %s\n",
3939                                 filelist, strerror(errno));
3940                         rc = -errno;
3941                         goto out_free;
3942                 }
3943
3944                 while ((rc = getline(&line, &len, fp)) != -1) {
3945                         struct hsm_user_item *hui;
3946
3947                         /* If allocated buffer was too small, gets something
3948                          * bigger */
3949                         if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
3950                                 ssize_t size;
3951                                 nbfile_alloc = nbfile_alloc * 2 + 1;
3952                                 oldhur = hur;
3953                                 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
3954                                                                    opaque_len);
3955                                 if (hur == NULL) {
3956                                         fprintf(stderr, "hsm: cannot allocate "
3957                                                 "the request: %s\n",
3958                                                 strerror(errno));
3959                                         hur = oldhur;
3960                                         rc = -errno;
3961                                         fclose(fp);
3962                                         goto out_free;
3963                                 }
3964                                 size = hur_len(oldhur);
3965                                 if (size < 0) {
3966                                         fprintf(stderr, "hsm: cannot allocate "
3967                                                 "%u files + %u bytes data\n",
3968                                             oldhur->hur_request.hr_itemcount,
3969                                             oldhur->hur_request.hr_data_len);
3970                                         free(hur);
3971                                         hur = oldhur;
3972                                         rc = -E2BIG;
3973                                         fclose(fp);
3974                                         goto out_free;
3975                                 }
3976                                 memcpy(hur, oldhur, size);
3977                                 free(oldhur);
3978                         }
3979
3980                         /* Chop CR */
3981                         if (line[strlen(line) - 1] == '\n')
3982                                 line[strlen(line) - 1] = '\0';
3983
3984                         hui =
3985                              &hur->hur_user_item[hur->hur_request.hr_itemcount];
3986                         hui->hui_extent.length = -1;
3987                         rc = lfs_hsm_prepare_file(line, &hui->hui_fid,
3988                                                   &last_dev);
3989                         hur->hur_request.hr_itemcount++;
3990                         if (rc) {
3991                                 fclose(fp);
3992                                 goto out_free;
3993                         }
3994
3995                         if ((some_file[0] == '\0') &&
3996                             (strlen(line) < sizeof(some_file)))
3997                                 strcpy(some_file, line);
3998                 }
3999
4000                 rc = fclose(fp);
4001                 if (line)
4002                         free(line);
4003         }
4004
4005         /* If a --data was used, add it to the request */
4006         hur->hur_request.hr_data_len = opaque_len;
4007         if (opaque != NULL)
4008                 memcpy(hur_data(hur), opaque, opaque_len);
4009
4010         /* Send the HSM request */
4011         if (realpath(some_file, fullpath) == NULL) {
4012                 fprintf(stderr, "Could not find path '%s': %s\n",
4013                         some_file, strerror(errno));
4014         }
4015         rc = llapi_hsm_request(fullpath, hur);
4016         if (rc) {
4017                 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
4018                         some_file, strerror(-rc));
4019                 goto out_free;
4020         }
4021
4022 out_free:
4023         free(hur);
4024         return rc;
4025 }
4026
4027 static int lfs_hsm_archive(int argc, char **argv)
4028 {
4029         return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
4030 }
4031
4032 static int lfs_hsm_restore(int argc, char **argv)
4033 {
4034         return lfs_hsm_request(argc, argv, HUA_RESTORE);
4035 }
4036
4037 static int lfs_hsm_release(int argc, char **argv)
4038 {
4039         return lfs_hsm_request(argc, argv, HUA_RELEASE);
4040 }
4041
4042 static int lfs_hsm_remove(int argc, char **argv)
4043 {
4044         return lfs_hsm_request(argc, argv, HUA_REMOVE);
4045 }
4046
4047 static int lfs_hsm_cancel(int argc, char **argv)
4048 {
4049         return lfs_hsm_request(argc, argv, HUA_CANCEL);
4050 }
4051
4052 static int lfs_swap_layouts(int argc, char **argv)
4053 {
4054         if (argc != 3)
4055                 return CMD_HELP;
4056
4057         return llapi_swap_layouts(argv[1], argv[2], 0, 0,
4058                                   SWAP_LAYOUTS_KEEP_MTIME |
4059                                   SWAP_LAYOUTS_KEEP_ATIME);
4060 }
4061
4062 int main(int argc, char **argv)
4063 {
4064         int rc;
4065
4066         setlinebuf(stdout);
4067
4068         Parser_init("lfs > ", cmdlist);
4069
4070         if (argc > 1) {
4071                 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
4072         } else {
4073                 rc = Parser_commands();
4074         }
4075
4076         return rc < 0 ? -rc : rc;
4077 }
4078
4079 #ifdef _LUSTRE_IDL_H_
4080 /* Everything we need here should be included by lustreapi.h. */
4081 # error "lfs should not depend on lustre_idl.h"
4082 #endif /* _LUSTRE_IDL_H_ */