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