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 <pwd.h>
  55 #include <grp.h>
  56 #include <sys/types.h>
  57 #include <sys/stat.h>
  58 #include <fcntl.h>
  59 #include <dirent.h>
  60 #include <time.h>
  61 #include <ctype.h>
  62 #ifdef HAVE_SYS_QUOTA_H
  63 # include <sys/quota.h>
  64 #endif
  65
  66 /* For dirname() */
  67 #include <libgen.h>
  68
  69 #include <lnet/lnetctl.h>
  70
  71 #include <liblustre.h>
  72 #include <lustre/lustreapi.h>
  73
  74 #include <libcfs/libcfsutil.h>
  75 #include <obd.h>
  76 #include <obd_lov.h>
  77 #include "obdctl.h"
  78
  79 /* all functions */
  80 static int lfs_setstripe(int argc, char **argv);
  81 static int lfs_find(int argc, char **argv);
  82 static int lfs_getstripe(int argc, char **argv);
  83 static int lfs_getdirstripe(int argc, char **argv);
  84 static int lfs_setdirstripe(int argc, char **argv);
  85 static int lfs_rmentry(int argc, char **argv);
  86 static int lfs_osts(int argc, char **argv);
  87 static int lfs_mdts(int argc, char **argv);
  88 static int lfs_df(int argc, char **argv);
  89 static int lfs_getname(int argc, char **argv);
  90 static int lfs_check(int argc, char **argv);
  91 #ifdef HAVE_SYS_QUOTA_H
  92 static int lfs_quotacheck(int argc, char **argv);
  93 static int lfs_quotaon(int argc, char **argv);
  94 static int lfs_quotaoff(int argc, char **argv);
  95 static int lfs_setquota(int argc, char **argv);
  96 static int lfs_quota(int argc, char **argv);
  97 #endif
  98 static int lfs_flushctx(int argc, char **argv);
  99 static int lfs_join(int argc, char **argv);
 100 static int lfs_lsetfacl(int argc, char **argv);
 101 static int lfs_lgetfacl(int argc, char **argv);
 102 static int lfs_rsetfacl(int argc, char **argv);
 103 static int lfs_rgetfacl(int argc, char **argv);
 104 static int lfs_cp(int argc, char **argv);
 105 static int lfs_ls(int argc, char **argv);
 106 static int lfs_poollist(int argc, char **argv);
 107 static int lfs_changelog(int argc, char **argv);
 108 static int lfs_changelog_clear(int argc, char **argv);
 109 static int lfs_fid2path(int argc, char **argv);
 110 static int lfs_path2fid(int argc, char **argv);
 111 static int lfs_data_version(int argc, char **argv);
 112 static int lfs_hsm_state(int argc, char **argv);
 113 static int lfs_hsm_set(int argc, char **argv);
 114 static int lfs_hsm_clear(int argc, char **argv);
 115 static int lfs_hsm_action(int argc, char **argv);
 116 static int lfs_hsm_archive(int argc, char **argv);
 117 static int lfs_hsm_restore(int argc, char **argv);
 118 static int lfs_hsm_release(int argc, char **argv);
 119 static int lfs_hsm_remove(int argc, char **argv);
 120 static int lfs_hsm_cancel(int argc, char **argv);
 121 static int lfs_swap_layouts(int argc, char **argv);
 122
 123 #define SETSTRIPE_USAGE(_cmd, _tgt) \
 124         "usage: "_cmd" [--stripe-count|-c <stripe_count>]\n"\
 125         "                 [--stripe-index|-i <start_ost_idx>]\n"\
 126         "                 [--stripe-size|-S <stripe_size>]\n"\
 127         "                 [--pool|-p <pool_name>]\n"\
 128         "                 [--block|-b] "_tgt"\n"\
 129         "\tstripe_size:  Number of bytes on each OST (0 filesystem default)\n"\
 130         "\t              Can be specified with k, m or g (in KB, MB and GB\n"\
 131         "\t              respectively)\n"\
 132         "\tstart_ost_idx: OST index of first stripe (-1 default)\n"\
 133         "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"\
 134         "\tpool_name:    Name of OST pool to use (default none)\n"\
 135         "\tblock:        Block file access during data migration"
 136
 137 /* all avaialable commands */
 138 command_t cmdlist[] = {
 139         {"setstripe", lfs_setstripe, 0,
 140          "Create a new file with a specific striping pattern or\n"
 141          "set the default striping pattern on an existing directory or\n"
 142          "delete the default striping pattern from an existing directory\n"
 143          "usage: setstripe -d <directory>   (to delete default striping)\n"\
 144          " or\n"
 145          SETSTRIPE_USAGE("setstripe", "<directory|filename>")},
 146         {"getstripe", lfs_getstripe, 0,
 147          "To list the striping info for a given file or files in a\n"
 148          "directory or recursively for all files in a directory tree.\n"
 149          "usage: getstripe [--ost|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
 150          "                 [--stripe-count|-c] [--stripe-index|-i]\n"
 151          "                 [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
 152          "                 [--mdt-index|-M] [--recursive|-r] [--raw|-R]\n"
 153          "                 [--layout|-L]\n"
 154          "                 <directory|filename> ..."},
 155         {"setdirstripe", lfs_setdirstripe, 0,
 156          "To create a remote directory on a specified MDT.\n"
 157          "usage: setdirstripe <--index|-i mdt_index> <dir>\n"
 158          "\tmdt_index:    MDT index of first stripe\n"},
 159         {"getdirstripe", lfs_getdirstripe, 0,
 160          "To list the striping info for a given directory\n"
 161          "or recursively for all directories in a directory tree.\n"
 162          "usage: getdirstripe [--obd|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
 163          "               [--count|-c ] [--index|-i ] [--raw|-R]\n"
 164          "               [--recursive | -r] <dir> ..."},
 165         {"mkdir", lfs_setdirstripe, 0,
 166          "To create a remote directory on a specified MDT. And this can only\n"
 167          "be done on MDT0 by administrator.\n"
 168          "usage: mkdir <--index|-i mdt_index> <dir>\n"
 169          "\tmdt_index:    MDT index of the remote directory.\n"},
 170         {"rm_entry", lfs_rmentry, 0,
 171          "To remove the name entry of the remote directory. Note: This\n"
 172          "command will only delete the name entry, i.e. the remote directory\n"
 173          "will become inaccessable after this command. This can only be done\n"
 174          "by the administrator\n"
 175          "usage: rm_entry <dir>\n"},
 176         {"pool_list", lfs_poollist, 0,
 177          "List pools or pool OSTs\n"
 178          "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
 179         {"find", lfs_find, 0,
 180          "find files matching given attributes recursively in directory tree.\n"
 181          "usage: find <directory|filename> ...\n"
 182          "     [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
 183          "     [[!] --mtime|-M [+-]N] [[!] --mdt|-m <uuid|index,...>]\n"
 184          "     [--maxdepth|-D N] [[!] --name|-n <pattern>]\n"
 185          "     [[!] --ost|-O <uuid|index,...>] [--print|-p] [--print0|-P]\n"
 186          "     [[!] --size|-s [+-]N[bkMGTPE]]\n"
 187          "     [[!] --stripe-count|-c [+-]<stripes>]\n"
 188          "     [[!] --stripe-index|-i <index,...>]\n"
 189          "     [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
 190          "     [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
 191          "     [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
 192          "     [[!] --layout|-L released,raid0]\n"
 193          "\t !: used before an option indicates 'NOT' requested attribute\n"
 194          "\t -: used before a value indicates 'AT MOST' requested value\n"
 195          "\t +: used before a value indicates 'AT LEAST' requested value\n"},
 196         {"check", lfs_check, 0,
 197          "Display the status of MDS or OSTs (as specified in the command)\n"
 198          "or all the servers (MDS and OSTs).\n"
 199          "usage: check <osts|mds|servers>"},
 200         {"join", lfs_join, 0,
 201          "join two lustre files into one.\n"
 202          "obsolete, HEAD does not support it anymore.\n"},
 203         {"osts", lfs_osts, 0, "list OSTs connected to client "
 204          "[for specified path only]\n" "usage: osts [path]"},
 205         {"mdts", lfs_mdts, 0, "list MDTs connected to client "
 206          "[for specified path only]\n" "usage: mdts [path]"},
 207         {"df", lfs_df, 0,
 208          "report filesystem disk space usage or inodes usage"
 209          "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
 210          "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
 211         {"getname", lfs_getname, 0, "list instances and specified mount points "
 212          "[for specified path only]\n"
 213          "Usage: getname [-h]|[path ...] "},
 214 #ifdef HAVE_SYS_QUOTA_H
 215         {"quotacheck", lfs_quotacheck, 0,
 216          "Scan the specified filesystem for disk usage, and create,\n"
 217          "or update quota files. Deprecated as of 2.4.0.\n"
 218          "usage: quotacheck [ -ug ] <filesystem>"},
 219         {"quotaon", lfs_quotaon, 0, "Turn filesystem"
 220          " quotas on. Deprecated as of 2.4.0.\n"
 221          "usage: quotaon [ -ugf ] <filesystem>"},
 222         {"quotaoff", lfs_quotaoff, 0, "Turn filesystem"
 223          " quotas off. Deprecated as of 2.4.0.\n"
 224          "usage: quotaoff [ -ug ] <filesystem>"},
 225         {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
 226          "usage: setquota <-u|-g> <uname>|<uid>|<gname>|<gid>\n"
 227          "                -b <block-softlimit> -B <block-hardlimit>\n"
 228          "                -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
 229          "       setquota <-u|--user|-g|--group> <uname>|<uid>|<gname>|<gid>\n"
 230          "                [--block-softlimit <block-softlimit>]\n"
 231          "                [--block-hardlimit <block-hardlimit>]\n"
 232          "                [--inode-softlimit <inode-softlimit>]\n"
 233          "                [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
 234          "       setquota [-t] <-u|--user|-g|--group>\n"
 235          "                [--block-grace <block-grace>]\n"
 236          "                [--inode-grace <inode-grace>] <filesystem>\n"
 237          "       -b can be used instead of --block-softlimit/--block-grace\n"
 238          "       -B can be used instead of --block-hardlimit\n"
 239          "       -i can be used instead of --inode-softlimit/--inode-grace\n"
 240          "       -I can be used instead of --inode-hardlimit\n\n"
 241          "Note: The total quota space will be split into many qunits and\n"
 242          "      balanced over all server targets, the minimal qunit size is\n"
 243          "      1M bytes for block space and 1K inodes for inode space.\n\n"
 244          "      Quota space rebalancing process will stop when this mininum\n"
 245          "      value is reached. As a result, quota exceeded can be returned\n"
 246          "      while many targets still have 1MB or 1K inodes of spare\n"
 247          "      quota space."},
 248         {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
 249          "usage: quota [-q] [-v] [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>]\n"
 250          "             [<-u|-g> <uname>|<uid>|<gname>|<gid>] <filesystem>\n"
 251          "       quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g> <filesystem>"},
 252 #endif
 253         {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
 254          "usage: flushctx [-k] [mountpoint...]"},
 255         {"lsetfacl", lfs_lsetfacl, 0,
 256          "Remote user setfacl for user/group on the same remote client.\n"
 257          "usage: lsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 258         {"lgetfacl", lfs_lgetfacl, 0,
 259          "Remote user getfacl for user/group on the same remote client.\n"
 260          "usage: lgetfacl [-dRLPvh] file ..."},
 261         {"rsetfacl", lfs_rsetfacl, 0,
 262          "Remote user setfacl for user/group on other clients.\n"
 263          "usage: rsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
 264         {"rgetfacl", lfs_rgetfacl, 0,
 265          "Remote user getfacl for user/group on other clients.\n"
 266          "usage: rgetfacl [-dRLPvh] file ..."},
 267         {"cp", lfs_cp, 0,
 268          "Remote user copy files and directories.\n"
 269          "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
 270         {"ls", lfs_ls, 0,
 271          "Remote user list directory contents.\n"
 272          "usage: ls [OPTION]... [FILE]..."},
 273         {"changelog", lfs_changelog, 0,
 274          "Show the metadata changes on an MDT."
 275          "\nusage: changelog <mdtname> [startrec [endrec]]"},
 276         {"changelog_clear", lfs_changelog_clear, 0,
 277          "Indicate that old changelog records up to <endrec> are no longer of "
 278          "interest to consumer <id>, allowing the system to free up space.\n"
 279          "An <endrec> of 0 means all records.\n"
 280          "usage: changelog_clear <mdtname> <id> <endrec>"},
 281         {"fid2path", lfs_fid2path, 0,
 282          "Resolve the full path(s) for given FID(s). For a specific hardlink "
 283          "specify link number <linkno>.\n"
 284         /* "For a historical link name, specify changelog record <recno>.\n" */
 285          "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
 286                 /* [ --rec <recno> ] */ },
 287         {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
 288          "usage: path2fid <path> ..."},
 289         {"data_version", lfs_data_version, 0, "Display file data version for "
 290          "a given path.\n" "usage: data_version [-n] <path>"},
 291         {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
 292          "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
 293         {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
 294          "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
 295          "[--archived] [--lost] <file> ..."},
 296         {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
 297          "files.\n"
 298          "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
 299          "[--archived] [--lost] <file> ..."},
 300         {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
 301          "given files.\n" "usage: hsm_action <file> ..."},
 302         {"hsm_archive", lfs_hsm_archive, 0,
 303          "Archive file to external storage.\n"
 304          "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
 305          "<file> ..."},
 306         {"hsm_restore", lfs_hsm_restore, 0,
 307          "Restore file from external storage.\n"
 308          "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
 309         {"hsm_release", lfs_hsm_release, 0,
 310          "Release files from Lustre.\n"
 311          "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
 312         {"hsm_remove", lfs_hsm_remove, 0,
 313          "Remove file copy from external storage.\n"
 314          "usage: hsm_remove [--filelist FILELIST] [--data DATA] <file> ..."},
 315         {"hsm_cancel", lfs_hsm_cancel, 0,
 316          "Cancel requests related to specified files.\n"
 317          "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
 318         {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
 319          "usage: swap_layouts <path1> <path2>"},
 320         {"migrate", lfs_setstripe, 0, "migrate file from one layout to "
 321          "another (may be not safe with concurent writes).\n"
 322          SETSTRIPE_USAGE("migrate  ", "<filename>")},
 323         {"help", Parser_help, 0, "help"},
 324         {"exit", Parser_quit, 0, "quit"},
 325         {"quit", Parser_quit, 0, "quit"},
 326         { 0, 0, 0, NULL }
 327 };
 328
 329 static int isnumber(const char *str)
 330 {
 331         const char *ptr;
 332
 333         if (str[0] != '-' && !isdigit(str[0]))
 334                 return 0;
 335
 336         for (ptr = str + 1; *ptr != '\0'; ptr++) {
 337                 if (!isdigit(*ptr))
 338                         return 0;
 339         }
 340
 341         return 1;
 342 }
 343
 344 #define MIGRATION_BLOCKS 1
 345
 346 static int lfs_migrate(char *name, unsigned long long stripe_size,
 347                        int stripe_offset, int stripe_count,
 348                        int stripe_pattern, char *pool_name,
 349                        __u64 migration_flags)
 350 {
 351         int                      fd, fdv;
 352         char                     volatile_file[PATH_MAX];
 353         char                     parent[PATH_MAX];
 354         char                    *ptr;
 355         int                      rc;
 356         __u64                    dv1;
 357         struct lov_user_md      *lum = NULL;
 358         int                      lumsz;
 359         int                      bufsz;
 360         void                    *buf = NULL;
 361         int                      rsize, wsize;
 362         __u64                    rpos, wpos, bufoff;
 363         int                      gid = 0, sz;
 364         int                      have_gl = 0;
 365
 366         /* find the right size for the IO and allocate the buffer */
 367         lumsz = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
 368         lum = malloc(lumsz);
 369         if (lum == NULL) {
 370                 rc = -ENOMEM;
 371                 goto free;
 372         }
 373
 374         rc = llapi_file_get_stripe(name, lum);
 375         /* failure can come from may case and some may be not real error
 376          * (eg: no stripe)
 377          * in case of a real error, a later call will failed with a better
 378          * error management */
 379         if (rc < 0)
 380                 bufsz = 1024*1024;
 381         else
 382                 bufsz = lum->lmm_stripe_size;
 383         rc = posix_memalign(&buf, getpagesize(), bufsz);
 384         if (rc != 0) {
 385                 rc = -rc;
 386                 goto free;
 387         }
 388
 389         if (migration_flags & MIGRATION_BLOCKS) {
 390                 /* generate a random id for the grouplock */
 391                 fd = open("/dev/urandom", O_RDONLY);
 392                 if (fd == -1) {
 393                         rc = -errno;
 394                         fprintf(stderr, "cannot open /dev/urandom (%s)\n",
 395                                 strerror(-rc));
 396                         goto free;
 397                 }
 398                 sz = sizeof(gid);
 399                 rc = read(fd, &gid, sz);
 400                 close(fd);
 401                 if (rc < sz) {
 402                         rc = -errno;
 403                         fprintf(stderr, "cannot read %d bytes from"
 404                                 " /dev/urandom (%s)\n", sz, strerror(-rc));
 405                         goto free;
 406                 }
 407         }
 408
 409         /* search for file directory pathname */
 410         strcpy(parent, name);
 411         ptr = strrchr(parent, '/');
 412         if (ptr == NULL) {
 413                 if (getcwd(parent, sizeof(parent)) == NULL) {
 414                         rc = -errno;
 415                         goto free;
 416                 }
 417         } else {
 418                 if (ptr == parent)
 419                         strcpy(parent, "/");
 420                 else
 421                         *ptr = '\0';
 422         }
 423         sprintf(volatile_file, "%s/%s::", parent, LUSTRE_VOLATILE_HDR);
 424
 425         /* create, open a volatile file, use caching (ie no directio) */
 426         /* exclusive create is not needed because volatile files cannot
 427          * conflict on name by construction */
 428         fdv = llapi_file_open_pool(volatile_file, O_CREAT | O_WRONLY,
 429                                    0644, stripe_size, stripe_offset,
 430                                    stripe_count, stripe_pattern, pool_name);
 431         if (fdv < 0) {
 432                 rc = fdv;
 433                 fprintf(stderr, "cannot create volatile file in %s (%s)\n",
 434                         parent, strerror(-rc));
 435                 goto free;
 436         }
 437
 438         /* open file, direct io */
 439         /* even if the file is only read, WR mode is nedeed to allow
 440          * layout swap on fd */
 441         fd = open(name, O_RDWR | O_DIRECT);
 442         if (fd == -1) {
 443                 rc = -errno;
 444                 fprintf(stderr, "cannot open %s (%s)\n", name, strerror(-rc));
 445                 close(fdv);
 446                 goto free;
 447         }
 448
 449         /* get file data version */
 450         rc = llapi_get_data_version(fd, &dv1, 0);
 451         if (rc != 0) {
 452                 fprintf(stderr, "cannot get dataversion on %s (%s)\n",
 453                         name, strerror(-rc));
 454                 goto error;
 455         }
 456
 457         if (migration_flags & MIGRATION_BLOCKS) {
 458                 /* take group lock to limit concurent access
 459                  * this will be no more needed when exclusive access will
 460                  * be implemented (see LU-2919) */
 461                 /* group lock is taken after data version read because it
 462                  * blocks data version call */
 463                 if (ioctl(fd, LL_IOC_GROUP_LOCK, gid) == -1) {
 464                         rc = -errno;
 465                         fprintf(stderr, "cannot get group lock on %s (%s)\n",
 466                                 name, strerror(-rc));
 467                         goto error;
 468                 }
 469                 have_gl = 1;
 470         }
 471
 472         /* copy data */
 473         rpos = 0;
 474         wpos = 0;
 475         bufoff = 0;
 476         rsize = -1;
 477         do {
 478                 /* read new data only if we have written all
 479                  * previously read data */
 480                 if (wpos == rpos) {
 481                         rsize = read(fd, buf, bufsz);
 482                         if (rsize < 0) {
 483                                 rc = -errno;
 484                                 fprintf(stderr, "read failed on %s"
 485                                         " (%s)\n", name,
 486                                         strerror(-rc));
 487                                 goto error;
 488                         }
 489                         rpos += rsize;
 490                         bufoff = 0;
 491                 }
 492                 /* eof ? */
 493                 if (rsize == 0)
 494                         break;
 495                 wsize = write(fdv, buf + bufoff, rpos - wpos);
 496                 if (wsize < 0) {
 497                         rc = -errno;
 498                         fprintf(stderr, "write failed on volatile"
 499                                 " for %s (%s)\n", name, strerror(-rc));
 500                         goto error;
 501                 }
 502                 wpos += wsize;
 503                 bufoff += wsize;
 504         } while (1);
 505
 506         /* flush data */
 507         fsync(fdv);
 508
 509         if (migration_flags & MIGRATION_BLOCKS) {
 510                 /* give back group lock */
 511                 if (ioctl(fd, LL_IOC_GROUP_UNLOCK, gid) == -1) {
 512                         rc = -errno;
 513                         fprintf(stderr, "cannot put group lock on %s (%s)\n",
 514                                 name, strerror(-rc));
 515                 }
 516                 have_gl = 0;
 517         }
 518
 519         /* swap layouts
 520          * for a migration we need to:
 521          * - check data version on file did not change
 522          * - keep file mtime
 523          * - keep file atime
 524          */
 525         rc = llapi_fswap_layouts(fd, fdv, dv1, 0,
 526                                  SWAP_LAYOUTS_CHECK_DV1 |
 527                                  SWAP_LAYOUTS_KEEP_MTIME |
 528                                  SWAP_LAYOUTS_KEEP_ATIME);
 529         if (rc == -EAGAIN) {
 530                 fprintf(stderr, "file dataversion for %s has changed"
 531                                 " during copy, migration is aborted\n",
 532                         name);
 533                 goto error;
 534         }
 535         if (rc != 0)
 536                 fprintf(stderr, "cannot swap layouts between %s and "
 537                         "a volatile file (%s)\n",
 538                         name, strerror(-rc));
 539
 540 error:
 541         /* give back group lock */
 542         if ((migration_flags & MIGRATION_BLOCKS) && have_gl &&
 543             (ioctl(fd, LL_IOC_GROUP_UNLOCK, gid) == -1)) {
 544                 /* we keep in rc the original error */
 545                 fprintf(stderr, "cannot put group lock on %s (%s)\n",
 546                         name, strerror(-errno));
 547         }
 548
 549         close(fdv);
 550         close(fd);
 551 free:
 552         if (lum)
 553                 free(lum);
 554         if (buf)
 555                 free(buf);
 556         return rc;
 557 }
 558
 559 /* functions */
 560 static int lfs_setstripe(int argc, char **argv)
 561 {
 562         char                    *fname;
 563         int                      result;
 564         unsigned long long       st_size;
 565         int                      st_offset, st_count;
 566         char                    *end;
 567         int                      c;
 568         int                      delete = 0;
 569         char                    *stripe_size_arg = NULL;
 570         char                    *stripe_off_arg = NULL;
 571         char                    *stripe_count_arg = NULL;
 572         char                    *pool_name_arg = NULL;
 573         unsigned long long       size_units = 1;
 574         int                      migrate_mode = 0;
 575         __u64                    migration_flags = 0;
 576
 577         struct option            long_opts[] = {
 578                 /* valid only in migrate mode */
 579                 {"block",        no_argument,       0, 'b'},
 580 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 581 #warning "remove deprecated --count option"
 582 #else
 583                 /* This formerly implied "stripe-count", but was explicitly
 584                  * made "stripe-count" for consistency with other options,
 585                  * and to separate it from "mdt-count" when DNE arrives. */
 586                 {"count",        required_argument, 0, 'c'},
 587 #endif
 588                 {"stripe-count", required_argument, 0, 'c'},
 589                 {"stripe_count", required_argument, 0, 'c'},
 590                 {"delete",       no_argument,       0, 'd'},
 591 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 592 #warning "remove deprecated --index option"
 593 #else
 594                 /* This formerly implied "stripe-index", but was explicitly
 595                  * made "stripe-index" for consistency with other options,
 596                  * and to separate it from "mdt-index" when DNE arrives. */
 597                 {"index",        required_argument, 0, 'i'},
 598 #endif
 599                 {"stripe-index", required_argument, 0, 'i'},
 600                 {"stripe_index", required_argument, 0, 'i'},
 601 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 602 #warning "remove deprecated --offset option"
 603 #else
 604                 /* This formerly implied "stripe-index", but was confusing
 605                  * with "file offset" (which will eventually be needed for
 606                  * with different layouts by offset), so deprecate it. */
 607                 {"offset",       required_argument, 0, 'o'},
 608 #endif
 609                 {"pool",         required_argument, 0, 'p'},
 610 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 611 #warning "remove deprecated --size option"
 612 #else
 613                 /* This formerly implied "--stripe-size", but was confusing
 614                  * with "lfs find --size|-s", which means "file size", so use
 615                  * the consistent "--stripe-size|-S" for all commands. */
 616                 {"size",         required_argument, 0, 's'},
 617 #endif
 618                 {"stripe-size",  required_argument, 0, 'S'},
 619                 {"stripe_size",  required_argument, 0, 'S'},
 620                 {0, 0, 0, 0}
 621         };
 622
 623         st_size = 0;
 624         st_offset = -1;
 625         st_count = 0;
 626
 627         if (strcmp(argv[0], "migrate") == 0)
 628                 migrate_mode = 1;
 629
 630 #if LUSTRE_VERSION < OBD_OCD_VERSION(2,4,50,0)
 631         if (argc == 5 && argv[1][0] != '-' &&
 632             isnumber(argv[2]) && isnumber(argv[3]) && isnumber(argv[4])) {
 633                 fprintf(stderr, "error: obsolete usage of setstripe "
 634                         "positional parameters.  Use -c, -i, -S instead.\n");
 635                 return CMD_HELP;
 636         } else
 637 #else
 638 #warning "remove obsolete positional parameter error"
 639 #endif
 640         {
 641                 optind = 0;
 642                 while ((c = getopt_long(argc, argv, "c:di:o:p:s:S:",
 643                                         long_opts, NULL)) >= 0) {
 644                 switch (c) {
 645                 case 0:
 646                         /* Long options. */
 647                         break;
 648                 case 'b':
 649                         if (migrate_mode == 0) {
 650                                 fprintf(stderr, "--block is valid only for"
 651                                                 " migrate mode");
 652                                 return CMD_HELP;
 653                         }
 654                         migration_flags |= MIGRATION_BLOCKS;
 655                         break;
 656                 case 'c':
 657 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 658 #warning "remove deprecated --count option"
 659 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 660                         if (strcmp(argv[optind - 1], "--count") == 0)
 661                                 fprintf(stderr, "warning: '--count' deprecated"
 662                                         ", use '--stripe-count' instead\n");
 663 #endif
 664                         stripe_count_arg = optarg;
 665                         break;
 666                 case 'd':
 667                         /* delete the default striping pattern */
 668                         delete = 1;
 669                         break;
 670                 case 'o':
 671 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,4,50,0)
 672                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
 673                                 "use '--stripe-index|-i' instead\n");
 674 #else
 675                         if (strcmp(argv[optind - 1], "--offset") == 0)
 676                                 /* need --stripe-index established first */
 677                                 fprintf(stderr, "warning: '--offset' deprecated"
 678                                         ", use '--index' instead\n");
 679 #endif
 680                 case 'i':
 681 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 682 #warning "remove deprecated --offset and --index options"
 683 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 684                         if (strcmp(argv[optind - 1], "--index") == 0)
 685                                 fprintf(stderr, "warning: '--index' deprecated"
 686                                         ", use '--stripe-index' instead\n");
 687 #endif
 688                         stripe_off_arg = optarg;
 689                         break;
 690                 case 's':
 691 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
 692 #warning "remove deprecated --size option"
 693 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
 694                         fprintf(stderr, "warning: '--size|-s' deprecated, "
 695                                 "use '--stripe-size|-S' instead\n");
 696 #endif
 697                 case 'S':
 698                         stripe_size_arg = optarg;
 699                         break;
 700                 case 'p':
 701                         pool_name_arg = optarg;
 702                         break;
 703                 default:
 704                         return CMD_HELP;
 705                 }
 706                 }
 707
 708                 fname = argv[optind];
 709
 710                 if (delete &&
 711                     (stripe_size_arg != NULL || stripe_off_arg != NULL ||
 712                      stripe_count_arg != NULL || pool_name_arg != NULL)) {
 713                         fprintf(stderr, "error: %s: cannot specify -d with "
 714                                         "-s, -c, -o, or -p options\n",
 715                                         argv[0]);
 716                         return CMD_HELP;
 717                 }
 718         }
 719
 720         if (optind == argc) {
 721                 fprintf(stderr, "error: %s: missing filename|dirname\n",
 722                         argv[0]);
 723                 return CMD_HELP;
 724         }
 725
 726         /* get the stripe size */
 727         if (stripe_size_arg != NULL) {
 728                 result = parse_size(stripe_size_arg, &st_size, &size_units, 0);
 729                 if (result) {
 730                         fprintf(stderr, "error: %s: bad stripe size '%s'\n",
 731                                 argv[0], stripe_size_arg);
 732                         return result;
 733                 }
 734         }
 735         /* get the stripe offset */
 736         if (stripe_off_arg != NULL) {
 737                 st_offset = strtol(stripe_off_arg, &end, 0);
 738                 if (*end != '\0') {
 739                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
 740                                 argv[0], stripe_off_arg);
 741                         return CMD_HELP;
 742                 }
 743         }
 744         /* get the stripe count */
 745         if (stripe_count_arg != NULL) {
 746                 st_count = strtoul(stripe_count_arg, &end, 0);
 747                 if (*end != '\0') {
 748                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
 749                                 argv[0], stripe_count_arg);
 750                         return CMD_HELP;
 751                 }
 752         }
 753
 754         do {
 755                 if (migrate_mode)
 756                         result = lfs_migrate(fname, st_size, st_offset,
 757                                              st_count, 0, pool_name_arg,
 758                                              migration_flags);
 759                 else
 760                         result = llapi_file_create_pool(fname, st_size,
 761                                                         st_offset, st_count,
 762                                                         0, pool_name_arg);
 763                 if (result) {
 764                         fprintf(stderr,
 765                                 "error: %s: %s stripe file '%s' failed\n",
 766                                 argv[0], migrate_mode ? "migrate" : "create",
 767                                 fname);
 768                         break;
 769                 }
 770                 fname = argv[++optind];
 771         } while (fname != NULL);
 772
 773         return result;
 774 }
 775
 776 static int lfs_poollist(int argc, char **argv)
 777 {
 778         if (argc != 2)
 779                 return CMD_HELP;
 780
 781         return llapi_poollist(argv[1]);
 782 }
 783
 784 static int set_time(time_t *time, time_t *set, char *str)
 785 {
 786         time_t t;
 787         int res = 0;
 788
 789         if (str[0] == '+')
 790                 res = 1;
 791         else if (str[0] == '-')
 792                 res = -1;
 793
 794         if (res)
 795                 str++;
 796
 797         t = strtol(str, NULL, 0);
 798         if (*time < t * 24 * 60 * 60) {
 799                 if (res)
 800                         str--;
 801                 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
 802                 return INT_MAX;
 803         }
 804
 805         *set = *time - t * 24 * 60 * 60;
 806         return res;
 807 }
 808
 809 #define USER 0
 810 #define GROUP 1
 811
 812 static int name2id(unsigned int *id, char *name, int type)
 813 {
 814         if (type == USER) {
 815                 struct passwd *entry;
 816
 817                 if (!(entry = getpwnam(name))) {
 818                         if (!errno)
 819                                 errno = ENOENT;
 820                         return -1;
 821                 }
 822
 823                 *id = entry->pw_uid;
 824         } else {
 825                 struct group *entry;
 826
 827                 if (!(entry = getgrnam(name))) {
 828                         if (!errno)
 829                                 errno = ENOENT;
 830                         return -1;
 831                 }
 832
 833                 *id = entry->gr_gid;
 834         }
 835
 836         return 0;
 837 }
 838
 839 static int id2name(char **name, unsigned int id, int type)
 840 {
 841         if (type == USER) {
 842                 struct passwd *entry;
 843
 844                 if (!(entry = getpwuid(id))) {
 845                         if (!errno)
 846                                 errno = ENOENT;
 847                         return -1;
 848                 }
 849
 850                 *name = entry->pw_name;
 851         } else {
 852                 struct group *entry;
 853
 854                 if (!(entry = getgrgid(id))) {
 855                         if (!errno)
 856                                 errno = ENOENT;
 857                         return -1;
 858                 }
 859
 860                 *name = entry->gr_name;
 861         }
 862
 863         return 0;
 864 }
 865
 866 static int name2layout(__u32 *layout, char *name)
 867 {
 868         char *ptr, *lyt;
 869
 870         *layout = 0;
 871         for (ptr = name; ; ptr = NULL) {
 872                 lyt = strtok(ptr, ",");
 873                 if (lyt == NULL)
 874                         break;
 875                 if (strcmp(lyt, "released") == 0)
 876                         *layout |= LOV_PATTERN_F_RELEASED;
 877                 else if (strcmp(lyt, "raid0") == 0)
 878                         *layout |= LOV_PATTERN_RAID0;
 879                 else
 880                         return -1;
 881         }
 882         return 0;
 883 }
 884
 885 #define FIND_POOL_OPT 3
 886 static int lfs_find(int argc, char **argv)
 887 {
 888         int c, ret;
 889         time_t t;
 890         struct find_param param = { .maxdepth = -1, .quiet = 1 };
 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.atime;
 971                         xsign = &param.asign;
 972                         param.exclude_atime = !!neg_opt;
 973                         /* no break, this falls through to 'C' for ctime */
 974                 case 'C':
 975                         if (c == 'C') {
 976                                 xtime = &param.ctime;
 977                                 xsign = &param.csign;
 978                                 param.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.mtime;
 984                                 xsign = &param.msign;
 985                                 param.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.maxdepth = strtol(optarg, 0, 0);
1016                         break;
1017                 case 'g':
1018                 case 'G':
1019                         ret = name2id(&param.gid, optarg, GROUP);
1020                         if (ret) {
1021                                 param.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.exclude_gid = !!neg_opt;
1030                         param.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.uid, optarg, USER);
1042                         if (ret) {
1043                                 param.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.exclude_uid = !!neg_opt;
1052                         param.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                                 char *uuid;
1118                                 if (c == 'm')
1119                                         uuid =
1120                                           param.mdtuuid[param.num_mdts++].uuid;
1121                                 else
1122                                         uuid =
1123                                           param.obduuid[param.num_obds++].uuid;
1124                                 p = strchr(token, ',');
1125                                 next = 0;
1126                                 if (p) {
1127                                         *p = 0;
1128                                         next = p+1;
1129                                 }
1130                                 strcpy((char *)uuid, token);
1131                         }
1132 err_free:
1133                         if (buf)
1134                                 free(buf);
1135                         break;
1136                 }
1137                 case 'p':
1138                         param.zeroend = 1;
1139                         break;
1140                 case 'P':
1141                         break;
1142                 case 's':
1143                         if (optarg[0] == '+') {
1144                                 param.size_sign = -1;
1145                                 optarg++;
1146                         } else if (optarg[0] == '-') {
1147                                 param.size_sign =  1;
1148                                 optarg++;
1149                         }
1150
1151                         ret = parse_size(optarg, &param.size,
1152                                          &param.size_units, 0);
1153                         if (ret) {
1154                                 fprintf(stderr, "error: bad file size '%s'\n",
1155                                         optarg);
1156                                 goto err;
1157                         }
1158                         param.check_size = 1;
1159                         param.exclude_size = !!neg_opt;
1160                         break;
1161                 case 'S':
1162                         if (optarg[0] == '+') {
1163                                 param.stripesize_sign = -1;
1164                                 optarg++;
1165                         } else if (optarg[0] == '-') {
1166                                 param.stripesize_sign =  1;
1167                                 optarg++;
1168                         }
1169
1170                         ret = parse_size(optarg, &param.stripesize,
1171                                          &param.stripesize_units, 0);
1172                         if (ret) {
1173                                 fprintf(stderr, "error: bad stripe_size '%s'\n",
1174                                         optarg);
1175                                 goto err;
1176                         }
1177                         param.check_stripesize = 1;
1178                         param.exclude_stripesize = !!neg_opt;
1179                         break;
1180                 case 't':
1181                         param.exclude_type = !!neg_opt;
1182                         switch(optarg[0]) {
1183                         case 'b': param.type = S_IFBLK; break;
1184                         case 'c': param.type = S_IFCHR; break;
1185                         case 'd': param.type = S_IFDIR; break;
1186                         case 'f': param.type = S_IFREG; break;
1187                         case 'l': param.type = S_IFLNK; break;
1188                         case 'p': param.type = S_IFIFO; break;
1189                         case 's': param.type = S_IFSOCK; break;
1190 #ifdef S_IFDOOR /* Solaris only */
1191                         case 'D': param.type = S_IFDOOR; break;
1192 #endif
1193                         default: fprintf(stderr, "error: %s: bad type '%s'\n",
1194                                          argv[0], optarg);
1195                                  ret = CMD_HELP;
1196                                  goto err;
1197                         };
1198                         break;
1199                 default:
1200                         ret = CMD_HELP;
1201                         goto err;
1202                 };
1203         }
1204
1205         if (pathstart == -1) {
1206                 fprintf(stderr, "error: %s: no filename|pathname\n",
1207                         argv[0]);
1208                 ret = CMD_HELP;
1209                 goto err;
1210         } else if (pathend == -1) {
1211                 /* no options */
1212                 pathend = argc;
1213         }
1214
1215         do {
1216                 ret = llapi_find(argv[pathstart], &param);
1217         } while (++pathstart < pathend && !ret);
1218
1219         if (ret)
1220                 fprintf(stderr, "error: %s failed for %s.\n",
1221                         argv[0], argv[optind - 1]);
1222 err:
1223         if (param.obduuid && param.num_alloc_obds)
1224                 free(param.obduuid);
1225
1226         if (param.mdtuuid && param.num_alloc_mdts)
1227                 free(param.mdtuuid);
1228
1229         return ret;
1230 }
1231
1232 static int lfs_getstripe_internal(int argc, char **argv,
1233                                   struct find_param *param)
1234 {
1235         struct option long_opts[] = {
1236 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1237 #warning "remove deprecated --count option"
1238 #else
1239                 /* This formerly implied "stripe-count", but was explicitly
1240                  * made "stripe-count" for consistency with other options,
1241                  * and to separate it from "mdt-count" when DNE arrives. */
1242                 {"count",               no_argument,            0, 'c'},
1243 #endif
1244                 {"stripe-count",        no_argument,            0, 'c'},
1245                 {"stripe_count",        no_argument,            0, 'c'},
1246                 {"directory",           no_argument,            0, 'd'},
1247                 {"generation",          no_argument,            0, 'g'},
1248 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1249 #warning "remove deprecated --index option"
1250 #else
1251                 /* This formerly implied "stripe-index", but was explicitly
1252                  * made "stripe-index" for consistency with other options,
1253                  * and to separate it from "mdt-index" when DNE arrives. */
1254                 {"index",               no_argument,            0, 'i'},
1255 #endif
1256                 {"stripe-index",        no_argument,            0, 'i'},
1257                 {"stripe_index",        no_argument,            0, 'i'},
1258                 {"layout",              no_argument,            0, 'L'},
1259                 {"mdt-index",           no_argument,            0, 'M'},
1260                 {"mdt_index",           no_argument,            0, 'M'},
1261 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1262 #warning "remove deprecated --offset option"
1263 #else
1264                 /* This formerly implied "stripe-index", but was confusing
1265                  * with "file offset" (which will eventually be needed for
1266                  * with different layouts by offset), so deprecate it. */
1267                 {"offset",              no_argument,            0, 'o'},
1268 #endif
1269                 {"obd",                 required_argument,      0, 'O'},
1270                 {"ost",                 required_argument,      0, 'O'},
1271                 {"pool",                no_argument,            0, 'p'},
1272                 {"quiet",               no_argument,            0, 'q'},
1273                 {"recursive",           no_argument,            0, 'r'},
1274                 {"raw",                 no_argument,            0, 'R'},
1275 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1276 #warning "remove deprecated --size option"
1277 #else
1278                 /* This formerly implied "--stripe-size", but was confusing
1279                  * with "lfs find --size|-s", which means "file size", so use
1280                  * the consistent "--stripe-size|-S" for all commands. */
1281                 {"size",                no_argument,            0, 's'},
1282 #endif
1283                 {"stripe-size",         no_argument,            0, 'S'},
1284                 {"stripe_size",         no_argument,            0, 'S'},
1285                 {"verbose",             no_argument,            0, 'v'},
1286                 {0, 0, 0, 0}
1287         };
1288         int c, rc;
1289
1290         param->maxdepth = 1;
1291         optind = 0;
1292         while ((c = getopt_long(argc, argv, "cdghiLMoO:pqrRsSv",
1293                                 long_opts, NULL)) != -1) {
1294                 switch (c) {
1295                 case 'O':
1296                         if (param->obduuid) {
1297                                 fprintf(stderr,
1298                                         "error: %s: only one obduuid allowed",
1299                                         argv[0]);
1300                                 return CMD_HELP;
1301                         }
1302                         param->obduuid = (struct obd_uuid *)optarg;
1303                         break;
1304                 case 'q':
1305                         param->quiet++;
1306                         break;
1307                 case 'd':
1308                         param->maxdepth = 0;
1309                         break;
1310                 case 'r':
1311                         param->recursive = 1;
1312                         break;
1313                 case 'v':
1314                         param->verbose = VERBOSE_ALL | VERBOSE_DETAIL;
1315                         break;
1316                 case 'c':
1317 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1318 #warning "remove deprecated --count option"
1319 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1320                         if (strcmp(argv[optind - 1], "--count") == 0)
1321                                 fprintf(stderr, "warning: '--count' deprecated,"
1322                                         " use '--stripe-count' instead\n");
1323 #endif
1324                         if (!(param->verbose & VERBOSE_DETAIL)) {
1325                                 param->verbose |= VERBOSE_COUNT;
1326                                 param->maxdepth = 0;
1327                         }
1328                         break;
1329                 case 's':
1330 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1331 #warning "remove deprecated --size option"
1332 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1333                         fprintf(stderr, "warning: '--size|-s' deprecated, "
1334                                 "use '--stripe-size|-S' instead\n");
1335 #endif
1336                 case 'S':
1337                         if (!(param->verbose & VERBOSE_DETAIL)) {
1338                                 param->verbose |= VERBOSE_SIZE;
1339                                 param->maxdepth = 0;
1340                         }
1341                         break;
1342                 case 'o':
1343 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,4,50,0)
1344                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
1345                                 "use '--stripe-index|-i' instead\n");
1346 #else
1347                         if (strcmp(argv[optind - 1], "--offset") == 0)
1348                                 /* need --stripe-index established first */
1349                                 fprintf(stderr, "warning: '--offset' deprecated"
1350                                         ", use '--index' instead\n");
1351 #endif
1352                 case 'i':
1353 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1354 #warning "remove deprecated --offset and --index options"
1355 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1356                         if (strcmp(argv[optind - 1], "--index") == 0)
1357                                 fprintf(stderr, "warning: '--index' deprecated"
1358                                         ", use '--stripe-index' instead\n");
1359 #endif
1360                         if (!(param->verbose & VERBOSE_DETAIL)) {
1361                                 param->verbose |= VERBOSE_OFFSET;
1362                                 param->maxdepth = 0;
1363                         }
1364                         break;
1365                 case 'p':
1366                         if (!(param->verbose & VERBOSE_DETAIL)) {
1367                                 param->verbose |= VERBOSE_POOL;
1368                                 param->maxdepth = 0;
1369                         }
1370                         break;
1371                 case 'g':
1372                         if (!(param->verbose & VERBOSE_DETAIL)) {
1373                                 param->verbose |= VERBOSE_GENERATION;
1374                                 param->maxdepth = 0;
1375                         }
1376                         break;
1377                 case 'L':
1378                         if (!(param->verbose & VERBOSE_DETAIL)) {
1379                                 param->verbose |= VERBOSE_LAYOUT;
1380                                 param->maxdepth = 0;
1381                         }
1382                         break;
1383                 case 'M':
1384                         if (!(param->verbose & VERBOSE_DETAIL))
1385                                 param->maxdepth = 0;
1386                         param->verbose |= VERBOSE_MDTINDEX;
1387                         break;
1388                 case 'R':
1389                         param->raw = 1;
1390                         break;
1391                 default:
1392                         return CMD_HELP;
1393                 }
1394         }
1395
1396         if (optind >= argc)
1397                 return CMD_HELP;
1398
1399         if (param->recursive)
1400                 param->maxdepth = -1;
1401
1402         if (!param->verbose)
1403                 param->verbose = VERBOSE_ALL;
1404         if (param->quiet)
1405                 param->verbose = VERBOSE_OBJID;
1406
1407         do {
1408                 rc = llapi_getstripe(argv[optind], param);
1409         } while (++optind < argc && !rc);
1410
1411         if (rc)
1412                 fprintf(stderr, "error: %s failed for %s.\n",
1413                         argv[0], argv[optind - 1]);
1414         return rc;
1415 }
1416
1417 static int lfs_tgts(int argc, char **argv)
1418 {
1419         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1420         struct find_param param;
1421         int index = 0, rc=0;
1422
1423         if (argc > 2)
1424                 return CMD_HELP;
1425
1426         if (argc == 2 && !realpath(argv[1], path)) {
1427                 rc = -errno;
1428                 fprintf(stderr, "error: invalid path '%s': %s\n",
1429                         argv[1], strerror(-rc));
1430                 return rc;
1431         }
1432
1433         while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
1434                 /* Check if we have a mount point */
1435                 if (mntdir[0] == '\0')
1436                         continue;
1437
1438                 memset(&param, 0, sizeof(param));
1439                 if (!strcmp(argv[0], "mdts"))
1440                         param.get_lmv = 1;
1441
1442                 rc = llapi_ostlist(mntdir, &param);
1443                 if (rc) {
1444                         fprintf(stderr, "error: %s: failed on %s\n",
1445                                 argv[0], mntdir);
1446                 }
1447                 if (path[0] != '\0')
1448                         break;
1449                 memset(mntdir, 0, PATH_MAX);
1450         }
1451
1452         return rc;
1453 }
1454
1455 static int lfs_getstripe(int argc, char **argv)
1456 {
1457         struct find_param param = { 0 };
1458         return lfs_getstripe_internal(argc, argv, &param);
1459 }
1460
1461 /* functions */
1462 static int lfs_getdirstripe(int argc, char **argv)
1463 {
1464         struct find_param param = { 0 };
1465
1466         param.get_lmv = 1;
1467         return lfs_getstripe_internal(argc, argv, &param);
1468 }
1469
1470 /* functions */
1471 static int lfs_setdirstripe(int argc, char **argv)
1472 {
1473         char *dname;
1474         int result;
1475         int  st_offset, st_count;
1476         char *end;
1477         int c;
1478         char *stripe_off_arg = NULL;
1479         int  flags = 0;
1480
1481         struct option long_opts[] = {
1482                 {"index",    required_argument, 0, 'i'},
1483                 {0, 0, 0, 0}
1484         };
1485
1486         st_offset = -1;
1487         st_count = 1;
1488         optind = 0;
1489         while ((c = getopt_long(argc, argv, "i:o",
1490                                 long_opts, NULL)) >= 0) {
1491                 switch (c) {
1492                 case 0:
1493                         /* Long options. */
1494                         break;
1495                 case 'i':
1496                         stripe_off_arg = optarg;
1497                         break;
1498                 default:
1499                         fprintf(stderr, "error: %s: option '%s' "
1500                                         "unrecognized\n",
1501                                         argv[0], argv[optind - 1]);
1502                         return CMD_HELP;
1503                 }
1504         }
1505
1506         if (optind == argc) {
1507                 fprintf(stderr, "error: %s: missing dirname\n",
1508                         argv[0]);
1509                 return CMD_HELP;
1510         }
1511
1512         dname = argv[optind];
1513         if (stripe_off_arg == NULL) {
1514                 fprintf(stderr, "error: %s: missing stripe_off.\n",
1515                         argv[0]);
1516                 return CMD_HELP;
1517         }
1518         /* get the stripe offset */
1519         st_offset = strtoul(stripe_off_arg, &end, 0);
1520         if (*end != '\0') {
1521                 fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
1522                         argv[0], stripe_off_arg);
1523                 return CMD_HELP;
1524         }
1525         do {
1526                 result = llapi_dir_create_pool(dname, flags, st_offset,
1527                                                st_count, 0, NULL);
1528                 if (result) {
1529                         fprintf(stderr, "error: %s: create stripe dir '%s' "
1530                                 "failed\n", argv[0], dname);
1531                         break;
1532                 }
1533                 dname = argv[++optind];
1534         } while (dname != NULL);
1535
1536         return result;
1537 }
1538
1539 /* functions */
1540 static int lfs_rmentry(int argc, char **argv)
1541 {
1542         char *dname;
1543         int   index;
1544         int   result = 0;
1545
1546         if (argc <= 1) {
1547                 fprintf(stderr, "error: %s: missing dirname\n",
1548                         argv[0]);
1549                 return CMD_HELP;
1550         }
1551
1552         index = 1;
1553         dname = argv[index];
1554         while (dname != NULL) {
1555                 result = llapi_direntry_remove(dname);
1556                 if (result) {
1557                         fprintf(stderr, "error: %s: remove dir entry '%s' "
1558                                 "failed\n", argv[0], dname);
1559                         break;
1560                 }
1561                 dname = argv[++index];
1562         }
1563         return result;
1564 }
1565
1566 static int lfs_osts(int argc, char **argv)
1567 {
1568         return lfs_tgts(argc, argv);
1569 }
1570
1571 static int lfs_mdts(int argc, char **argv)
1572 {
1573         return lfs_tgts(argc, argv);
1574 }
1575
1576 #define COOK(value)                                                     \
1577 ({                                                                      \
1578         int radix = 0;                                                  \
1579         while (value > 1024) {                                          \
1580                 value /= 1024;                                          \
1581                 radix++;                                                \
1582         }                                                               \
1583         radix;                                                          \
1584 })
1585 #define UUF     "%-20s"
1586 #define CSF     "%11s"
1587 #define CDF     "%11llu"
1588 #define HDF     "%8.1f%c"
1589 #define RSF     "%4s"
1590 #define RDF     "%3d%%"
1591
1592 static int showdf(char *mntdir, struct obd_statfs *stat,
1593                   char *uuid, int ishow, int cooked,
1594                   char *type, int index, int rc)
1595 {
1596         long long avail, used, total;
1597         double ratio = 0;
1598         char *suffix = "KMGTPEZY";
1599         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
1600         char tbuf[20], ubuf[20], abuf[20], rbuf[20];
1601
1602         if (!uuid || !stat)
1603                 return -EINVAL;
1604
1605         switch (rc) {
1606         case 0:
1607                 if (ishow) {
1608                         avail = stat->os_ffree;
1609                         used = stat->os_files - stat->os_ffree;
1610                         total = stat->os_files;
1611                 } else {
1612                         int shift = cooked ? 0 : 10;
1613
1614                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
1615                         used  = ((stat->os_blocks - stat->os_bfree) *
1616                                  stat->os_bsize) >> shift;
1617                         total = (stat->os_blocks * stat->os_bsize) >> shift;
1618                 }
1619
1620                 if ((used + avail) > 0)
1621                         ratio = (double)used / (double)(used + avail);
1622
1623                 if (cooked) {
1624                         int i;
1625                         double cook_val;
1626
1627                         cook_val = (double)total;
1628                         i = COOK(cook_val);
1629                         if (i > 0)
1630                                 sprintf(tbuf, HDF, cook_val, suffix[i - 1]);
1631                         else
1632                                 sprintf(tbuf, CDF, total);
1633
1634                         cook_val = (double)used;
1635                         i = COOK(cook_val);
1636                         if (i > 0)
1637                                 sprintf(ubuf, HDF, cook_val, suffix[i - 1]);
1638                         else
1639                                 sprintf(ubuf, CDF, used);
1640
1641                         cook_val = (double)avail;
1642                         i = COOK(cook_val);
1643                         if (i > 0)
1644                                 sprintf(abuf, HDF, cook_val, suffix[i - 1]);
1645                         else
1646                                 sprintf(abuf, CDF, avail);
1647                 } else {
1648                         sprintf(tbuf, CDF, total);
1649                         sprintf(ubuf, CDF, used);
1650                         sprintf(abuf, CDF, avail);
1651                 }
1652
1653                 sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
1654                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
1655                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
1656                 if (type)
1657                         printf("[%s:%d]\n", type, index);
1658                 else
1659                         printf("\n");
1660
1661                 break;
1662         case -ENODATA:
1663                 printf(UUF": inactive device\n", uuid);
1664                 break;
1665         default:
1666                 printf(UUF": %s\n", uuid, strerror(-rc));
1667                 break;
1668         }
1669
1670         return 0;
1671 }
1672
1673 struct ll_stat_type {
1674         int   st_op;
1675         char *st_name;
1676 };
1677
1678 static int mntdf(char *mntdir, char *fsname, char *pool, int ishow,
1679                 int cooked, int lazy)
1680 {
1681         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
1682         struct obd_uuid uuid_buf;
1683         char *poolname = NULL;
1684         struct ll_stat_type types[] = { { LL_STATFS_LMV, "MDT" },
1685                                         { LL_STATFS_LOV, "OST" },
1686                                         { 0, NULL } };
1687         struct ll_stat_type *tp;
1688         __u32 index;
1689         __u32 type;
1690         int rc;
1691
1692         if (pool) {
1693                 poolname = strchr(pool, '.');
1694                 if (poolname != NULL) {
1695                         if (strncmp(fsname, pool, strlen(fsname))) {
1696                                 fprintf(stderr, "filesystem name incorrect\n");
1697                                 return -ENODEV;
1698                         }
1699                         poolname++;
1700                 } else
1701                         poolname = pool;
1702         }
1703
1704         if (ishow)
1705                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1706                        "UUID", "Inodes", "IUsed", "IFree",
1707                        "IUse%", "Mounted on");
1708         else
1709                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1710                        "UUID", cooked ? "bytes" : "1K-blocks",
1711                        "Used", "Available", "Use%", "Mounted on");
1712
1713         for (tp = types; tp->st_name != NULL; tp++) {
1714                 for (index = 0; ; index++) {
1715                         memset(&stat_buf, 0, sizeof(struct obd_statfs));
1716                         memset(&uuid_buf, 0, sizeof(struct obd_uuid));
1717                         type = lazy ? tp->st_op | LL_STATFS_NODELAY : tp->st_op;
1718                         rc = llapi_obd_statfs(mntdir, type, index,
1719                                               &stat_buf, &uuid_buf);
1720                         if (rc == -ENODEV)
1721                                 break;
1722
1723                         if (poolname && tp->st_op == LL_STATFS_LOV &&
1724                             llapi_search_ost(fsname, poolname,
1725                                              obd_uuid2str(&uuid_buf)) != 1)
1726                                 continue;
1727
1728                         /* the llapi_obd_statfs() call may have returned with
1729                          * an error, but if it filled in uuid_buf we will at
1730                          * lease use that to print out a message for that OBD.
1731                          * If we didn't get anything in the uuid_buf, then fill
1732                          * it in so that we can print an error message. */
1733                         if (uuid_buf.uuid[0] == '\0')
1734                                 sprintf(uuid_buf.uuid, "%s%04x",
1735                                         tp->st_name, index);
1736                         showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
1737                                ishow, cooked, tp->st_name, index, rc);
1738
1739                         if (rc == 0) {
1740                                 if (tp->st_op == LL_STATFS_LMV) {
1741                                         sum.os_ffree += stat_buf.os_ffree;
1742                                         sum.os_files += stat_buf.os_files;
1743                                 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
1744                                         sum.os_blocks += stat_buf.os_blocks *
1745                                                 stat_buf.os_bsize;
1746                                         sum.os_bfree  += stat_buf.os_bfree *
1747                                                 stat_buf.os_bsize;
1748                                         sum.os_bavail += stat_buf.os_bavail *
1749                                                 stat_buf.os_bsize;
1750                                 }
1751                         } else if (rc == -EINVAL || rc == -EFAULT) {
1752                                 break;
1753                         }
1754                 }
1755         }
1756
1757         printf("\n");
1758         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0,0);
1759         printf("\n");
1760         return 0;
1761 }
1762
1763 static int lfs_df(int argc, char **argv)
1764 {
1765         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1766         int ishow = 0, cooked = 0;
1767         int lazy = 0;
1768         int c, rc = 0, index = 0;
1769         char fsname[PATH_MAX] = "", *pool_name = NULL;
1770         struct option long_opts[] = {
1771                 {"pool", required_argument, 0, 'p'},
1772                 {"lazy", 0, 0, 'l'},
1773                 {0, 0, 0, 0}
1774         };
1775
1776         optind = 0;
1777         while ((c = getopt_long(argc, argv, "hilp:", long_opts, NULL)) != -1) {
1778                 switch (c) {
1779                 case 'i':
1780                         ishow = 1;
1781                         break;
1782                 case 'h':
1783                         cooked = 1;
1784                         break;
1785                 case 'l':
1786                         lazy = 1;
1787                 case 'p':
1788                         pool_name = optarg;
1789                         break;
1790                 default:
1791                         return CMD_HELP;
1792                 }
1793         }
1794         if (optind < argc && !realpath(argv[optind], path)) {
1795                 rc = -errno;
1796                 fprintf(stderr, "error: invalid path '%s': %s\n",
1797                         argv[optind], strerror(-rc));
1798                 return rc;
1799         }
1800
1801         while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1802                 /* Check if we have a mount point */
1803                 if (mntdir[0] == '\0')
1804                         continue;
1805
1806                 rc = mntdf(mntdir, fsname, pool_name, ishow, cooked, lazy);
1807                 if (rc || path[0] != '\0')
1808                         break;
1809                 fsname[0] = '\0'; /* avoid matching in next loop */
1810                 mntdir[0] = '\0'; /* avoid matching in next loop */
1811         }
1812
1813         return rc;
1814 }
1815
1816 static int lfs_getname(int argc, char **argv)
1817 {
1818         char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
1819         int rc = 0, index = 0, c;
1820         char buf[sizeof(struct obd_uuid)];
1821
1822         optind = 0;
1823         while ((c = getopt(argc, argv, "h")) != -1)
1824                 return CMD_HELP;
1825
1826         if (optind == argc) { /* no paths specified, get all paths. */
1827                 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1828                         rc = llapi_getname(mntdir, buf, sizeof(buf));
1829                         if (rc < 0) {
1830                                 fprintf(stderr,
1831                                         "cannot get name for `%s': %s\n",
1832                                         mntdir, strerror(-rc));
1833                                 break;
1834                         }
1835
1836                         printf("%s %s\n", buf, mntdir);
1837
1838                         path[0] = fsname[0] = mntdir[0] = 0;
1839                 }
1840         } else { /* paths specified, only attempt to search these. */
1841                 for (; optind < argc; optind++) {
1842                         rc = llapi_getname(argv[optind], buf, sizeof(buf));
1843                         if (rc < 0) {
1844                                 fprintf(stderr,
1845                                         "cannot get name for `%s': %s\n",
1846                                         argv[optind], strerror(-rc));
1847                                 break;
1848                         }
1849
1850                         printf("%s %s\n", buf, argv[optind]);
1851                 }
1852         }
1853         return rc;
1854 }
1855
1856 static int lfs_check(int argc, char **argv)
1857 {
1858         int rc;
1859         char mntdir[PATH_MAX] = {'\0'};
1860         int num_types = 1;
1861         char *obd_types[2];
1862         char obd_type1[4];
1863         char obd_type2[4];
1864
1865         if (argc != 2)
1866                 return CMD_HELP;
1867
1868         obd_types[0] = obd_type1;
1869         obd_types[1] = obd_type2;
1870
1871         if (strcmp(argv[1], "osts") == 0) {
1872                 strcpy(obd_types[0], "osc");
1873         } else if (strcmp(argv[1], "mds") == 0) {
1874                 strcpy(obd_types[0], "mdc");
1875         } else if (strcmp(argv[1], "servers") == 0) {
1876                 num_types = 2;
1877                 strcpy(obd_types[0], "osc");
1878                 strcpy(obd_types[1], "mdc");
1879         } else {
1880                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
1881                                 argv[0], argv[1]);
1882                         return CMD_HELP;
1883         }
1884
1885         rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
1886         if (rc < 0 || mntdir[0] == '\0') {
1887                 fprintf(stderr, "No suitable Lustre mount found\n");
1888                 return rc;
1889         }
1890
1891         rc = llapi_target_iterate(num_types, obd_types,
1892                                   mntdir, llapi_ping_target);
1893
1894         if (rc)
1895                 fprintf(stderr, "error: %s: %s status failed\n",
1896                                 argv[0],argv[1]);
1897
1898         return rc;
1899
1900 }
1901
1902 static int lfs_join(int argc, char **argv)
1903 {
1904         fprintf(stderr, "join two lustre files into one.\n"
1905                         "obsolete, HEAD does not support it anymore.\n");
1906         return 0;
1907 }
1908
1909 #ifdef HAVE_SYS_QUOTA_H
1910 static int lfs_quotacheck(int argc, char **argv)
1911 {
1912         int c, check_type = 0;
1913         char *mnt;
1914         struct if_quotacheck qchk;
1915         struct if_quotactl qctl;
1916         char *obd_type = (char *)qchk.obd_type;
1917         int rc;
1918
1919         memset(&qchk, 0, sizeof(qchk));
1920
1921         optind = 0;
1922         while ((c = getopt(argc, argv, "gu")) != -1) {
1923                 switch (c) {
1924                 case 'u':
1925                         check_type |= 0x01;
1926                         break;
1927                 case 'g':
1928                         check_type |= 0x02;
1929                         break;
1930                 default:
1931                         fprintf(stderr, "error: %s: option '-%c' "
1932                                         "unrecognized\n", argv[0], c);
1933                         return CMD_HELP;
1934                 }
1935         }
1936
1937         if (check_type)
1938                 check_type--;
1939         else    /* do quotacheck for both user & group quota by default */
1940                 check_type = 0x02;
1941
1942         if (argc == optind)
1943                 return CMD_HELP;
1944
1945         mnt = argv[optind];
1946
1947         rc = llapi_quotacheck(mnt, check_type);
1948         if (rc == -EOPNOTSUPP) {
1949                 fprintf(stderr, "error: quotacheck not supported by the quota "
1950                         "master.\nPlease note that quotacheck is deprecated as "
1951                         "of lustre 2.4.0 since space accounting is always "
1952                         "enabled.\nFilesystems not formatted with 2.4 utils or "
1953                         "beyond can be upgraded with tunefs.lustre --quota.\n");
1954                 return rc;
1955         } else if (rc) {
1956                 fprintf(stderr, "quotacheck failed: %s\n", strerror(-rc));
1957                 return rc;
1958         }
1959
1960         rc = llapi_poll_quotacheck(mnt, &qchk);
1961         if (rc) {
1962                 if (*obd_type)
1963                         fprintf(stderr, "%s %s ", obd_type,
1964                                 obd_uuid2str(&qchk.obd_uuid));
1965                 fprintf(stderr, "quota check failed: %s\n", strerror(-rc));
1966                 return rc;
1967         }
1968
1969         memset(&qctl, 0, sizeof(qctl));
1970         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1971         qctl.qc_type = check_type;
1972         rc = llapi_quotactl(mnt, &qctl);
1973         if (rc && rc != -EALREADY) {
1974                 if (*obd_type)
1975                         fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
1976                                 obd_uuid2str(&qctl.obd_uuid));
1977                 fprintf(stderr, "%s turn on quota failed: %s\n",
1978                         argv[0], strerror(-rc));
1979                 return rc;
1980         }
1981
1982         return 0;
1983 }
1984
1985 static int lfs_quotaon(int argc, char **argv)
1986 {
1987         int c;
1988         char *mnt;
1989         struct if_quotactl qctl;
1990         char *obd_type = (char *)qctl.obd_type;
1991         int rc;
1992
1993         memset(&qctl, 0, sizeof(qctl));
1994         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1995
1996         optind = 0;
1997         while ((c = getopt(argc, argv, "fgu")) != -1) {
1998                 switch (c) {
1999                 case 'u':
2000                         qctl.qc_type |= 0x01;
2001                         break;
2002                 case 'g':
2003                         qctl.qc_type |= 0x02;
2004                         break;
2005                 case 'f':
2006                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2007                         break;
2008                 default:
2009                         fprintf(stderr, "error: %s: option '-%c' "
2010                                         "unrecognized\n", argv[0], c);
2011                         return CMD_HELP;
2012                 }
2013         }
2014
2015         if (qctl.qc_type)
2016                 qctl.qc_type--;
2017         else /* by default, enable quota for both user & group */
2018                 qctl.qc_type = 0x02;
2019
2020         if (argc == optind)
2021                 return CMD_HELP;
2022
2023         mnt = argv[optind];
2024
2025         rc = llapi_quotactl(mnt, &qctl);
2026         if (rc) {
2027                 if (rc == -EOPNOTSUPP) {
2028                         fprintf(stderr, "error: quotaon not supported by the "
2029                                 "quota master.\nPlease note that quotaon/off is"
2030                                 " deprecated as of lustre 2.4.0.\nQuota "
2031                                 "enforcement should now be enabled on the MGS "
2032                                 "via:\nmgs# lctl conf_param ${FSNAME}.quota."
2033                                 "<ost|mdt>=<u|g|ug>\n(ost for block quota, mdt "
2034                                 "for inode quota, u for user and g for group"
2035                                 "\n");
2036                 } else if (rc == -EALREADY) {
2037                         rc = 0;
2038                 } else if (rc == -ENOENT) {
2039                         fprintf(stderr, "error: cannot find quota database, "
2040                                         "make sure you have run quotacheck\n");
2041                 } else {
2042                         if (*obd_type)
2043                                 fprintf(stderr, "%s %s ", obd_type,
2044                                         obd_uuid2str(&qctl.obd_uuid));
2045                         fprintf(stderr, "%s failed: %s\n", argv[0],
2046                                 strerror(-rc));
2047                 }
2048         }
2049
2050         return rc;
2051 }
2052
2053 static int lfs_quotaoff(int argc, char **argv)
2054 {
2055         int c;
2056         char *mnt;
2057         struct if_quotactl qctl;
2058         char *obd_type = (char *)qctl.obd_type;
2059         int rc;
2060
2061         memset(&qctl, 0, sizeof(qctl));
2062         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2063
2064         optind = 0;
2065         while ((c = getopt(argc, argv, "gu")) != -1) {
2066                 switch (c) {
2067                 case 'u':
2068                         qctl.qc_type |= 0x01;
2069                         break;
2070                 case 'g':
2071                         qctl.qc_type |= 0x02;
2072                         break;
2073                 default:
2074                         fprintf(stderr, "error: %s: option '-%c' "
2075                                         "unrecognized\n", argv[0], c);
2076                         return CMD_HELP;
2077                 }
2078         }
2079
2080         if (qctl.qc_type)
2081                 qctl.qc_type--;
2082         else /* by default, disable quota for both user & group */
2083                 qctl.qc_type = 0x02;
2084
2085         if (argc == optind)
2086                 return CMD_HELP;
2087
2088         mnt = argv[optind];
2089
2090         rc = llapi_quotactl(mnt, &qctl);
2091         if (rc) {
2092                 if (rc == -EOPNOTSUPP) {
2093                         fprintf(stderr, "error: quotaoff not supported by the "
2094                                 "quota master.\nPlease note that quotaon/off is"
2095                                 " deprecated as of lustre 2.4.0.\nQuota "
2096                                 "enforcement can be disabled on the MGS via:\n"
2097                                 "mgs# lctl conf_param ${FSNAME}.quota.<ost|mdt>"
2098                                 "=\"\"\n");
2099                 } else if (rc == -EALREADY) {
2100                         rc = 0;
2101                 } else {
2102                         if (*obd_type)
2103                                 fprintf(stderr, "%s %s ", obd_type,
2104                                         obd_uuid2str(&qctl.obd_uuid));
2105                         fprintf(stderr, "quotaoff failed: %s\n",
2106                                 strerror(-rc));
2107                 }
2108         }
2109
2110         return rc;
2111 }
2112
2113 #define ARG2INT(nr, str, msg)                                           \
2114 do {                                                                    \
2115         char *endp;                                                     \
2116         nr = strtol(str, &endp, 0);                                     \
2117         if (*endp) {                                                    \
2118                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
2119                 return CMD_HELP;                                        \
2120         }                                                               \
2121 } while (0)
2122
2123 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
2124
2125 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
2126  * returns the value or ULONG_MAX on integer overflow or incorrect format
2127  * Notes:
2128  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
2129  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
2130  *        3. empty integer value is interpreted as 0
2131  */
2132 static unsigned long str2sec(const char* timestr)
2133 {
2134         const char spec[] = "smhdw";
2135         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2136         unsigned long val = 0;
2137         char *tail;
2138
2139         if (strpbrk(timestr, spec) == NULL) {
2140                 /* no specifiers inside the time string,
2141                    should treat it as an integer value */
2142                 val = strtoul(timestr, &tail, 10);
2143                 return *tail ? ULONG_MAX : val;
2144         }
2145
2146         /* format string is XXwXXdXXhXXmXXs */
2147         while (*timestr) {
2148                 unsigned long v;
2149                 int ind;
2150                 char* ptr;
2151
2152                 v = strtoul(timestr, &tail, 10);
2153                 if (v == ULONG_MAX || *tail == '\0')
2154                         /* value too large (ULONG_MAX or more)
2155                            or missing specifier */
2156                         goto error;
2157
2158                 ptr = strchr(spec, *tail);
2159                 if (ptr == NULL)
2160                         /* unknown specifier */
2161                         goto error;
2162
2163                 ind = ptr - spec;
2164
2165                 /* check if product will overflow the type */
2166                 if (!(v < ULONG_MAX / mult[ind]))
2167                         goto error;
2168
2169                 ADD_OVERFLOW(val, mult[ind] * v);
2170                 if (val == ULONG_MAX)
2171                         goto error;
2172
2173                 timestr = tail + 1;
2174         }
2175
2176         return val;
2177
2178 error:
2179         return ULONG_MAX;
2180 }
2181
2182 #define ARG2ULL(nr, str, def_units)                                     \
2183 do {                                                                    \
2184         unsigned long long limit, units = def_units;                    \
2185         int rc;                                                         \
2186                                                                         \
2187         rc = parse_size(str, &limit, &units, 1);                        \
2188         if (rc < 0) {                                                   \
2189                 fprintf(stderr, "error: bad limit value %s\n", str);    \
2190                 return CMD_HELP;                                        \
2191         }                                                               \
2192         nr = limit;                                                     \
2193 } while (0)
2194
2195 static inline int has_times_option(int argc, char **argv)
2196 {
2197         int i;
2198
2199         for (i = 1; i < argc; i++)
2200                 if (!strcmp(argv[i], "-t"))
2201                         return 1;
2202
2203         return 0;
2204 }
2205
2206 int lfs_setquota_times(int argc, char **argv)
2207 {
2208         int c, rc;
2209         struct if_quotactl qctl;
2210         char *mnt, *obd_type = (char *)qctl.obd_type;
2211         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2212         struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
2213         struct option long_opts[] = {
2214                 {"block-grace",     required_argument, 0, 'b'},
2215                 {"group",           no_argument,       0, 'g'},
2216                 {"inode-grace",     required_argument, 0, 'i'},
2217                 {"times",           no_argument,       0, 't'},
2218                 {"user",            no_argument,       0, 'u'},
2219                 {0, 0, 0, 0}
2220         };
2221
2222         memset(&qctl, 0, sizeof(qctl));
2223         qctl.qc_cmd  = LUSTRE_Q_SETINFO;
2224         qctl.qc_type = UGQUOTA;
2225
2226         optind = 0;
2227         while ((c = getopt_long(argc, argv, "b:gi:tu", long_opts, NULL)) != -1) {
2228                 switch (c) {
2229                 case 'u':
2230                 case 'g':
2231                         if (qctl.qc_type != UGQUOTA) {
2232                                 fprintf(stderr, "error: -u and -g can't be used "
2233                                                 "more than once\n");
2234                                 return CMD_HELP;
2235                         }
2236                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2237                         break;
2238                 case 'b':
2239                         if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
2240                                 fprintf(stderr, "error: bad block-grace: %s\n",
2241                                         optarg);
2242                                 return CMD_HELP;
2243                         }
2244                         dqb->dqb_valid |= QIF_BTIME;
2245                         break;
2246                 case 'i':
2247                         if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
2248                                 fprintf(stderr, "error: bad inode-grace: %s\n",
2249                                         optarg);
2250                                 return CMD_HELP;
2251                         }
2252                         dqb->dqb_valid |= QIF_ITIME;
2253                         break;
2254                 case 't': /* Yes, of course! */
2255                         break;
2256                 default: /* getopt prints error message for us when opterr != 0 */
2257                         return CMD_HELP;
2258                 }
2259         }
2260
2261         if (qctl.qc_type == UGQUOTA) {
2262                 fprintf(stderr, "error: neither -u nor -g specified\n");
2263                 return CMD_HELP;
2264         }
2265
2266         if (optind != argc - 1) {
2267                 fprintf(stderr, "error: unexpected parameters encountered\n");
2268                 return CMD_HELP;
2269         }
2270
2271         mnt = argv[optind];
2272         rc = llapi_quotactl(mnt, &qctl);
2273         if (rc) {
2274                 if (*obd_type)
2275                         fprintf(stderr, "%s %s ", obd_type,
2276                                 obd_uuid2str(&qctl.obd_uuid));
2277                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2278                 return rc;
2279         }
2280
2281         return 0;
2282 }
2283
2284 #define BSLIMIT (1 << 0)
2285 #define BHLIMIT (1 << 1)
2286 #define ISLIMIT (1 << 2)
2287 #define IHLIMIT (1 << 3)
2288
2289 int lfs_setquota(int argc, char **argv)
2290 {
2291         int c, rc;
2292         struct if_quotactl qctl;
2293         char *mnt, *obd_type = (char *)qctl.obd_type;
2294         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2295         struct option long_opts[] = {
2296                 {"block-softlimit", required_argument, 0, 'b'},
2297                 {"block-hardlimit", required_argument, 0, 'B'},
2298                 {"group",           required_argument, 0, 'g'},
2299                 {"inode-softlimit", required_argument, 0, 'i'},
2300                 {"inode-hardlimit", required_argument, 0, 'I'},
2301                 {"user",            required_argument, 0, 'u'},
2302                 {0, 0, 0, 0}
2303         };
2304         unsigned limit_mask = 0;
2305         char *endptr;
2306
2307         if (has_times_option(argc, argv))
2308                 return lfs_setquota_times(argc, argv);
2309
2310         memset(&qctl, 0, sizeof(qctl));
2311         qctl.qc_cmd  = LUSTRE_Q_SETQUOTA;
2312         qctl.qc_type = UGQUOTA; /* UGQUOTA makes no sense for setquota,
2313                                  * so it can be used as a marker that qc_type
2314                                  * isn't reinitialized from command line */
2315
2316         optind = 0;
2317         while ((c = getopt_long(argc, argv, "b:B:g:i:I:u:", long_opts, NULL)) != -1) {
2318                 switch (c) {
2319                 case 'u':
2320                 case 'g':
2321                         if (qctl.qc_type != UGQUOTA) {
2322                                 fprintf(stderr, "error: -u and -g can't be used"
2323                                                 " more than once\n");
2324                                 return CMD_HELP;
2325                         }
2326                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2327                         rc = name2id(&qctl.qc_id, optarg,
2328                                      (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2329                         if (rc) {
2330                                 qctl.qc_id = strtoul(optarg, &endptr, 10);
2331                                 if (*endptr != '\0') {
2332                                         fprintf(stderr, "error: can't find id "
2333                                                 "for name %s\n", optarg);
2334                                         return CMD_HELP;
2335                                 }
2336                         }
2337                         break;
2338                 case 'b':
2339                         ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
2340                         dqb->dqb_bsoftlimit >>= 10;
2341                         limit_mask |= BSLIMIT;
2342                         if (dqb->dqb_bsoftlimit &&
2343                             dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
2344                                 fprintf(stderr, "warning: block softlimit is "
2345                                         "smaller than the miminal qunit size, "
2346                                         "please see the help of setquota or "
2347                                         "Lustre manual for details.\n");
2348                         break;
2349                 case 'B':
2350                         ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
2351                         dqb->dqb_bhardlimit >>= 10;
2352                         limit_mask |= BHLIMIT;
2353                         if (dqb->dqb_bhardlimit &&
2354                             dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
2355                                 fprintf(stderr, "warning: block hardlimit is "
2356                                         "smaller than the miminal qunit size, "
2357                                         "please see the help of setquota or "
2358                                         "Lustre manual for details.\n");
2359                         break;
2360                 case 'i':
2361                         ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
2362                         limit_mask |= ISLIMIT;
2363                         if (dqb->dqb_isoftlimit &&
2364                             dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
2365                                 fprintf(stderr, "warning: inode softlimit is "
2366                                         "smaller than the miminal qunit size, "
2367                                         "please see the help of setquota or "
2368                                         "Lustre manual for details.\n");
2369                         break;
2370                 case 'I':
2371                         ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
2372                         limit_mask |= IHLIMIT;
2373                         if (dqb->dqb_ihardlimit &&
2374                             dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
2375                                 fprintf(stderr, "warning: inode hardlimit is "
2376                                         "smaller than the miminal qunit size, "
2377                                         "please see the help of setquota or "
2378                                         "Lustre manual for details.\n");
2379                         break;
2380                 default: /* getopt prints error message for us when opterr != 0 */
2381                         return CMD_HELP;
2382                 }
2383         }
2384
2385         if (qctl.qc_type == UGQUOTA) {
2386                 fprintf(stderr, "error: neither -u nor -g was specified\n");
2387                 return CMD_HELP;
2388         }
2389
2390         if (limit_mask == 0) {
2391                 fprintf(stderr, "error: at least one limit must be specified\n");
2392                 return CMD_HELP;
2393         }
2394
2395         if (optind != argc - 1) {
2396                 fprintf(stderr, "error: unexpected parameters encountered\n");
2397                 return CMD_HELP;
2398         }
2399
2400         mnt = argv[optind];
2401
2402         if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
2403             (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
2404                 /* sigh, we can't just set blimits/ilimits */
2405                 struct if_quotactl tmp_qctl = {.qc_cmd  = LUSTRE_Q_GETQUOTA,
2406                                                .qc_type = qctl.qc_type,
2407                                                .qc_id   = qctl.qc_id};
2408
2409                 rc = llapi_quotactl(mnt, &tmp_qctl);
2410                 if (rc < 0) {
2411                         fprintf(stderr, "error: setquota failed while retrieving"
2412                                         " current quota settings (%s)\n",
2413                                         strerror(-rc));
2414                         return rc;
2415                 }
2416
2417                 if (!(limit_mask & BHLIMIT))
2418                         dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
2419                 if (!(limit_mask & BSLIMIT))
2420                         dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
2421                 if (!(limit_mask & IHLIMIT))
2422                         dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
2423                 if (!(limit_mask & ISLIMIT))
2424                         dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
2425
2426                 /* Keep grace times if we have got no softlimit arguments */
2427                 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
2428                         dqb->dqb_valid |= QIF_BTIME;
2429                         dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
2430                 }
2431
2432                 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
2433                         dqb->dqb_valid |= QIF_ITIME;
2434                         dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
2435                 }
2436         }
2437
2438         dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
2439         dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
2440
2441         rc = llapi_quotactl(mnt, &qctl);
2442         if (rc) {
2443                 if (*obd_type)
2444                         fprintf(stderr, "%s %s ", obd_type,
2445                                 obd_uuid2str(&qctl.obd_uuid));
2446                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2447                 return rc;
2448         }
2449
2450         return 0;
2451 }
2452
2453 static inline char *type2name(int check_type)
2454 {
2455         if (check_type == USRQUOTA)
2456                 return "user";
2457         else if (check_type == GRPQUOTA)
2458                 return "group";
2459         else
2460                 return "unknown";
2461 }
2462
2463 /* Converts seconds value into format string
2464  * result is returned in buf
2465  * Notes:
2466  *        1. result is in descenting order: 1w2d3h4m5s
2467  *        2. zero fields are not filled (except for p. 3): 5d1s
2468  *        3. zero seconds value is presented as "0s"
2469  */
2470 static char * __sec2str(time_t seconds, char *buf)
2471 {
2472         const char spec[] = "smhdw";
2473         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2474         unsigned long c;
2475         char *tail = buf;
2476         int i;
2477
2478         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
2479                 c = seconds / mult[i];
2480
2481                 if (c > 0 || (i == 0 && buf == tail))
2482                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
2483
2484                 seconds %= mult[i];
2485         }
2486
2487         return tail;
2488 }
2489
2490 static void sec2str(time_t seconds, char *buf, int rc)
2491 {
2492         char *tail = buf;
2493
2494         if (rc)
2495                 *tail++ = '[';
2496
2497         tail = __sec2str(seconds, tail);
2498
2499         if (rc && tail - buf < 39) {
2500                 *tail++ = ']';
2501                 *tail++ = 0;
2502         }
2503 }
2504
2505 static void diff2str(time_t seconds, char *buf, time_t now)
2506 {
2507
2508         buf[0] = 0;
2509         if (!seconds)
2510                 return;
2511         if (seconds <= now) {
2512                 strcpy(buf, "none");
2513                 return;
2514         }
2515         __sec2str(seconds - now, buf);
2516 }
2517
2518 static void print_quota_title(char *name, struct if_quotactl *qctl)
2519 {
2520         printf("Disk quotas for %s %s (%cid %u):\n",
2521                type2name(qctl->qc_type), name,
2522                *type2name(qctl->qc_type), qctl->qc_id);
2523         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
2524                "Filesystem",
2525                "kbytes", "quota", "limit", "grace",
2526                "files", "quota", "limit", "grace");
2527 }
2528
2529 static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
2530 {
2531         time_t now;
2532
2533         time(&now);
2534
2535         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
2536                 int bover = 0, iover = 0;
2537                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
2538
2539                 if (dqb->dqb_bhardlimit &&
2540                     toqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
2541                         bover = 1;
2542                 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
2543                         if (dqb->dqb_btime > now) {
2544                                 bover = 2;
2545                         } else {
2546                                 bover = 3;
2547                         }
2548                 }
2549
2550                 if (dqb->dqb_ihardlimit &&
2551                     dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
2552                         iover = 1;
2553                 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
2554                         if (dqb->dqb_itime > now) {
2555                                 iover = 2;
2556                         } else {
2557                                 iover = 3;
2558                         }
2559                 }
2560
2561 #if 0           /* XXX: always print quotas even when no usages */
2562                 if (dqb->dqb_curspace || dqb->dqb_curinodes)
2563 #endif
2564                 {
2565                         char numbuf[3][32];
2566                         char timebuf[40];
2567
2568                         if (strlen(mnt) > 15)
2569                                 printf("%s\n%15s", mnt, "");
2570                         else
2571                                 printf("%15s", mnt);
2572
2573                         if (bover)
2574                                 diff2str(dqb->dqb_btime, timebuf, now);
2575                         if (rc == -EREMOTEIO)
2576                                 sprintf(numbuf[0], LPU64"*",
2577                                         toqb(dqb->dqb_curspace));
2578                         else
2579                                 sprintf(numbuf[0],
2580                                         (dqb->dqb_valid & QIF_SPACE) ?
2581                                         LPU64 : "["LPU64"]",
2582                                         toqb(dqb->dqb_curspace));
2583                         if (type == QC_GENERAL)
2584                                 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS)
2585                                         ? LPU64 : "["LPU64"]",
2586                                         dqb->dqb_bsoftlimit);
2587                         else
2588                                 sprintf(numbuf[1], "%s", "-");
2589                         sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS)
2590                                 ? LPU64 : "["LPU64"]", dqb->dqb_bhardlimit);
2591                         printf(" %7s%c %6s %7s %7s",
2592                                numbuf[0], bover ? '*' : ' ', numbuf[1],
2593                                numbuf[2], bover > 1 ? timebuf : "-");
2594
2595                         if (iover)
2596                                 diff2str(dqb->dqb_itime, timebuf, now);
2597
2598                         sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
2599                                 LPU64 : "["LPU64"]", dqb->dqb_curinodes);
2600                        if (type == QC_GENERAL)
2601                                 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS)
2602                                         ? LPU64 : "["LPU64"]",
2603                                         dqb->dqb_isoftlimit);
2604                         else
2605                                 sprintf(numbuf[1], "%s", "-");
2606                         sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
2607                                 LPU64 : "["LPU64"]", dqb->dqb_ihardlimit);
2608                         if (type != QC_OSTIDX)
2609                                 printf(" %7s%c %6s %7s %7s",
2610                                        numbuf[0], iover ? '*' : ' ', numbuf[1],
2611                                        numbuf[2], iover > 1 ? timebuf : "-");
2612                         else
2613                                 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
2614                         printf("\n");
2615                 }
2616         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
2617                    qctl->qc_cmd == Q_GETOINFO) {
2618                 char bgtimebuf[40];
2619                 char igtimebuf[40];
2620
2621                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
2622                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
2623                 printf("Block grace time: %s; Inode grace time: %s\n",
2624                        bgtimebuf, igtimebuf);
2625         }
2626 }
2627
2628 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt)
2629 {
2630         int rc = 0, rc1 = 0, count = 0;
2631         __u32 valid = qctl->qc_valid;
2632
2633         rc = llapi_get_obd_count(mnt, &count, is_mdt);
2634         if (rc) {
2635                 fprintf(stderr, "can not get %s count: %s\n",
2636                         is_mdt ? "mdt": "ost", strerror(-rc));
2637                 return rc;
2638         }
2639
2640         for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
2641                 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
2642                 rc = llapi_quotactl(mnt, qctl);
2643                 if (rc) {
2644                         /* It is remote client case. */
2645                         if (-rc == EOPNOTSUPP) {
2646                                 rc = 0;
2647                                 goto out;
2648                         }
2649
2650                         if (!rc1)
2651                                 rc1 = rc;
2652                         fprintf(stderr, "quotactl %s%d failed.\n",
2653                                 is_mdt ? "mdt": "ost", qctl->qc_idx);
2654                         continue;
2655                 }
2656
2657                 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl, qctl->qc_valid, 0);
2658         }
2659
2660 out:
2661         qctl->qc_valid = valid;
2662         return rc ? : rc1;
2663 }
2664
2665 static int lfs_quota(int argc, char **argv)
2666 {
2667         int c;
2668         char *mnt, *name = NULL;
2669         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
2670                                     .qc_type = UGQUOTA };
2671         char *obd_type = (char *)qctl.obd_type;
2672         char *obd_uuid = (char *)qctl.obd_uuid.uuid;
2673         int rc, rc1 = 0, rc2 = 0, rc3 = 0,
2674             verbose = 0, pass = 0, quiet = 0, inacc;
2675         char *endptr;
2676         __u32 valid = QC_GENERAL, idx = 0;
2677
2678         optind = 0;
2679         while ((c = getopt(argc, argv, "gi:I:o:qtuv")) != -1) {
2680                 switch (c) {
2681                 case 'u':
2682                         if (qctl.qc_type != UGQUOTA) {
2683                                 fprintf(stderr, "error: use either -u or -g\n");
2684                                 return CMD_HELP;
2685                         }
2686                         qctl.qc_type = USRQUOTA;
2687                         break;
2688                 case 'g':
2689                         if (qctl.qc_type != UGQUOTA) {
2690                                 fprintf(stderr, "error: use either -u or -g\n");
2691                                 return CMD_HELP;
2692                         }
2693                         qctl.qc_type = GRPQUOTA;
2694                         break;
2695                 case 't':
2696                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
2697                         break;
2698                 case 'o':
2699                         valid = qctl.qc_valid = QC_UUID;
2700                         strncpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
2701                         break;
2702                 case 'i':
2703                         valid = qctl.qc_valid = QC_MDTIDX;
2704                         idx = qctl.qc_idx = atoi(optarg);
2705                         break;
2706                 case 'I':
2707                         valid = qctl.qc_valid = QC_OSTIDX;
2708                         idx = qctl.qc_idx = atoi(optarg);
2709                         break;
2710                 case 'v':
2711                         verbose = 1;
2712                         break;
2713                 case 'q':
2714                         quiet = 1;
2715                         break;
2716                 default:
2717                         fprintf(stderr, "error: %s: option '-%c' "
2718                                         "unrecognized\n", argv[0], c);
2719                         return CMD_HELP;
2720                 }
2721         }
2722
2723         /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
2724         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == UGQUOTA &&
2725             optind == argc - 1) {
2726 ug_output:
2727                 memset(&qctl, 0, sizeof(qctl)); /* spoiled by print_*_quota */
2728                 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
2729                 qctl.qc_valid = valid;
2730                 qctl.qc_idx = idx;
2731                 if (pass++ == 0) {
2732                         qctl.qc_type = USRQUOTA;
2733                         qctl.qc_id = geteuid();
2734                 } else {
2735                         qctl.qc_type = GRPQUOTA;
2736                         qctl.qc_id = getegid();
2737                 }
2738                 rc = id2name(&name, qctl.qc_id,
2739                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2740                 if (rc)
2741                         name = "<unknown>";
2742         /* lfs quota -u username /path/to/lustre/mount */
2743         } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
2744                 /* options should be followed by u/g-name and mntpoint */
2745                 if (optind + 2 != argc || qctl.qc_type == UGQUOTA) {
2746                         fprintf(stderr, "error: missing quota argument(s)\n");
2747                         return CMD_HELP;
2748                 }
2749
2750                 name = argv[optind++];
2751                 rc = name2id(&qctl.qc_id, name,
2752                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2753                 if (rc) {
2754                         qctl.qc_id = strtoul(name, &endptr, 10);
2755                         if (*endptr != '\0') {
2756                                 fprintf(stderr, "error: can't find id for name "
2757                                         "%s\n", name);
2758                                 return CMD_HELP;
2759                         }
2760                 }
2761         } else if (optind + 1 != argc || qctl.qc_type == UGQUOTA) {
2762                 fprintf(stderr, "error: missing quota info argument(s)\n");
2763                 return CMD_HELP;
2764         }
2765
2766         mnt = argv[optind];
2767
2768         rc1 = llapi_quotactl(mnt, &qctl);
2769         if (rc1 < 0) {
2770                 switch (rc1) {
2771                 case -ESRCH:
2772                         fprintf(stderr, "%s quotas are not enabled.\n",
2773                                 qctl.qc_type == USRQUOTA ? "user" : "group");
2774                         goto out;
2775                 case -EPERM:
2776                         fprintf(stderr, "Permission denied.\n");
2777                 case -ENOENT:
2778                         /* We already got a "No such file..." message. */
2779                         goto out;
2780                 default:
2781                         fprintf(stderr, "Unexpected quotactl error: %s\n",
2782                                 strerror(-rc1));
2783                 }
2784         }
2785
2786         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
2787                 print_quota_title(name, &qctl);
2788
2789         if (rc1 && *obd_type)
2790                 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
2791
2792         if (qctl.qc_valid != QC_GENERAL)
2793                 mnt = "";
2794
2795         inacc = (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) &&
2796                 ((qctl.qc_dqblk.dqb_valid&(QIF_LIMITS|QIF_USAGE))!=(QIF_LIMITS|QIF_USAGE));
2797
2798         print_quota(mnt, &qctl, QC_GENERAL, rc1);
2799
2800         if (qctl.qc_valid == QC_GENERAL && qctl.qc_cmd != LUSTRE_Q_GETINFO && verbose) {
2801                 rc2 = print_obd_quota(mnt, &qctl, 1);
2802                 rc3 = print_obd_quota(mnt, &qctl, 0);
2803         }
2804
2805         if (rc1 || rc2 || rc3 || inacc)
2806                 printf("Some errors happened when getting quota info. "
2807                        "Some devices may be not working or deactivated. "
2808                        "The data in \"[]\" is inaccurate.\n");
2809
2810 out:
2811         if (pass == 1)
2812                 goto ug_output;
2813
2814         return rc1;
2815 }
2816 #endif /* HAVE_SYS_QUOTA_H! */
2817
2818 static int flushctx_ioctl(char *mp)
2819 {
2820         int fd, rc;
2821
2822         fd = open(mp, O_RDONLY);
2823         if (fd == -1) {
2824                 fprintf(stderr, "flushctx: error open %s: %s\n",
2825                         mp, strerror(errno));
2826                 return -1;
2827         }
2828
2829         rc = ioctl(fd, LL_IOC_FLUSHCTX);
2830         if (rc == -1)
2831                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
2832                         mp, strerror(errno));
2833
2834         close(fd);
2835         return rc;
2836 }
2837
2838 static int lfs_flushctx(int argc, char **argv)
2839 {
2840         int     kdestroy = 0, c;
2841         FILE   *proc = NULL;
2842         char    procline[PATH_MAX], *line;
2843         int     rc = 0;
2844
2845         optind = 0;
2846         while ((c = getopt(argc, argv, "k")) != -1) {
2847                 switch (c) {
2848                 case 'k':
2849                         kdestroy = 1;
2850                         break;
2851                 default:
2852                         fprintf(stderr, "error: %s: option '-%c' "
2853                                         "unrecognized\n", argv[0], c);
2854                         return CMD_HELP;
2855                 }
2856         }
2857
2858         if (kdestroy) {
2859             int rc;
2860             if ((rc = system("kdestroy > /dev/null")) != 0) {
2861                 rc = WEXITSTATUS(rc);
2862                 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
2863             }
2864         }
2865
2866         if (optind >= argc) {
2867                 /* flush for all mounted lustre fs. */
2868                 proc = fopen("/proc/mounts", "r");
2869                 if (!proc) {
2870                         fprintf(stderr, "error: %s: can't open /proc/mounts\n",
2871                                 argv[0]);
2872                         return -1;
2873                 }
2874
2875                 while ((line = fgets(procline, PATH_MAX, proc)) != NULL) {
2876                         char dev[PATH_MAX];
2877                         char mp[PATH_MAX];
2878                         char fs[PATH_MAX];
2879
2880                         if (sscanf(line, "%s %s %s", dev, mp, fs) != 3) {
2881                                 fprintf(stderr, "%s: unexpected format in "
2882                                                 "/proc/mounts\n",
2883                                         argv[0]);
2884                                 rc = -1;
2885                                 goto out;
2886                         }
2887
2888                         if (strcmp(fs, "lustre") != 0)
2889                                 continue;
2890                         /* we use '@' to determine it's a client. are there
2891                          * any other better way?
2892                          */
2893                         if (strchr(dev, '@') == NULL)
2894                                 continue;
2895
2896                         if (flushctx_ioctl(mp))
2897                                 rc = -1;
2898                 }
2899         } else {
2900                 /* flush fs as specified */
2901                 while (optind < argc) {
2902                         if (flushctx_ioctl(argv[optind++]))
2903                                 rc = -1;
2904                 }
2905         }
2906
2907 out:
2908         if (proc != NULL)
2909                 fclose(proc);
2910         return rc;
2911 }
2912
2913 static int lfs_lsetfacl(int argc, char **argv)
2914 {
2915         argv[0]++;
2916         return(llapi_lsetfacl(argc, argv));
2917 }
2918
2919 static int lfs_lgetfacl(int argc, char **argv)
2920 {
2921         argv[0]++;
2922         return(llapi_lgetfacl(argc, argv));
2923 }
2924
2925 static int lfs_rsetfacl(int argc, char **argv)
2926 {
2927         argv[0]++;
2928         return(llapi_rsetfacl(argc, argv));
2929 }
2930
2931 static int lfs_rgetfacl(int argc, char **argv)
2932 {
2933         argv[0]++;
2934         return(llapi_rgetfacl(argc, argv));
2935 }
2936
2937 static int lfs_cp(int argc, char **argv)
2938 {
2939         return(llapi_cp(argc, argv));
2940 }
2941
2942 static int lfs_ls(int argc, char **argv)
2943 {
2944         return(llapi_ls(argc, argv));
2945 }
2946
2947 static int lfs_changelog(int argc, char **argv)
2948 {
2949         void *changelog_priv;
2950         struct changelog_ext_rec *rec;
2951         long long startrec = 0, endrec = 0;
2952         char *mdd;
2953         struct option long_opts[] = {
2954                 {"follow", no_argument, 0, 'f'},
2955                 {0, 0, 0, 0}
2956         };
2957         char short_opts[] = "f";
2958         int rc, follow = 0;
2959
2960         optind = 0;
2961         while ((rc = getopt_long(argc, argv, short_opts,
2962                                 long_opts, NULL)) != -1) {
2963                 switch (rc) {
2964                 case 'f':
2965                         follow++;
2966                         break;
2967                 case '?':
2968                         return CMD_HELP;
2969                 default:
2970                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
2971                                 argv[0], argv[optind - 1]);
2972                         return CMD_HELP;
2973                 }
2974         }
2975         if (optind >= argc)
2976                 return CMD_HELP;
2977
2978         mdd = argv[optind++];
2979         if (argc > optind)
2980                 startrec = strtoll(argv[optind++], NULL, 10);
2981         if (argc > optind)
2982                 endrec = strtoll(argv[optind++], NULL, 10);
2983
2984         rc = llapi_changelog_start(&changelog_priv,
2985                                    CHANGELOG_FLAG_BLOCK |
2986                                    (follow ? CHANGELOG_FLAG_FOLLOW : 0),
2987                                    mdd, startrec);
2988         if (rc < 0) {
2989                 fprintf(stderr, "Can't start changelog: %s\n",
2990                         strerror(errno = -rc));
2991                 return rc;
2992         }
2993
2994         while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
2995                 time_t secs;
2996                 struct tm ts;
2997
2998                 if (endrec && rec->cr_index > endrec) {
2999                         llapi_changelog_free(&rec);
3000                         break;
3001                 }
3002                 if (rec->cr_index < startrec) {
3003                         llapi_changelog_free(&rec);
3004                         continue;
3005                 }
3006
3007                 secs = rec->cr_time >> 30;
3008                 gmtime_r(&secs, &ts);
3009                 printf(LPU64" %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d "
3010                        "0x%x t="DFID, rec->cr_index, rec->cr_type,
3011                        changelog_type2str(rec->cr_type),
3012                        ts.tm_hour, ts.tm_min, ts.tm_sec,
3013                        (int)(rec->cr_time & ((1<<30) - 1)),
3014                        ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
3015                        rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
3016                 if (rec->cr_namelen)
3017                         /* namespace rec includes parent and filename */
3018                         printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
3019                                 rec->cr_namelen, rec->cr_name);
3020                 if (fid_is_sane(&rec->cr_sfid))
3021                         printf(" s="DFID" sp="DFID" %.*s",
3022                                 PFID(&rec->cr_sfid), PFID(&rec->cr_spfid),
3023                                 changelog_rec_snamelen(rec),
3024                                 changelog_rec_sname(rec));
3025                 printf("\n");
3026
3027                 llapi_changelog_free(&rec);
3028         }
3029
3030         llapi_changelog_fini(&changelog_priv);
3031
3032         if (rc < 0)
3033                 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
3034
3035         return (rc == 1 ? 0 : rc);
3036 }
3037
3038 static int lfs_changelog_clear(int argc, char **argv)
3039 {
3040         long long endrec;
3041         int rc;
3042
3043         if (argc != 4)
3044                 return CMD_HELP;
3045
3046         endrec = strtoll(argv[3], NULL, 10);
3047
3048         rc = llapi_changelog_clear(argv[1], argv[2], endrec);
3049         if (rc)
3050                 fprintf(stderr, "%s error: %s\n", argv[0],
3051                         strerror(errno = -rc));
3052         return rc;
3053 }
3054
3055 static int lfs_fid2path(int argc, char **argv)
3056 {
3057         struct option long_opts[] = {
3058                 {"cur", no_argument, 0, 'c'},
3059                 {"link", required_argument, 0, 'l'},
3060                 {"rec", required_argument, 0, 'r'},
3061                 {0, 0, 0, 0}
3062         };
3063         char  short_opts[] = "cl:r:";
3064         char *device, *fid, *path;
3065         long long recno = -1;
3066         int linkno = -1;
3067         int lnktmp;
3068         int printcur = 0;
3069         int rc = 0;
3070
3071         optind = 0;
3072
3073         while ((rc = getopt_long(argc, argv, short_opts,
3074                                 long_opts, NULL)) != -1) {
3075                 switch (rc) {
3076                 case 'c':
3077                         printcur++;
3078                         break;
3079                 case 'l':
3080                         linkno = strtol(optarg, NULL, 10);
3081                         break;
3082                 case 'r':
3083                         recno = strtoll(optarg, NULL, 10);
3084                         break;
3085                 case '?':
3086                         return CMD_HELP;
3087                 default:
3088                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3089                                 argv[0], argv[optind - 1]);
3090                         return CMD_HELP;
3091                 }
3092         }
3093
3094         if (argc < 3)
3095                 return CMD_HELP;
3096
3097         device = argv[optind++];
3098         path = calloc(1, PATH_MAX);
3099
3100         rc = 0;
3101         while (optind < argc) {
3102                 fid = argv[optind++];
3103
3104                 lnktmp = (linkno >= 0) ? linkno : 0;
3105                 while (1) {
3106                         int oldtmp = lnktmp;
3107                         long long rectmp = recno;
3108                         int rc2;
3109                         rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
3110                                              &rectmp, &lnktmp);
3111                         if (rc2 < 0) {
3112                                 fprintf(stderr, "%s: error on FID %s: %s\n",
3113                                         argv[0], fid, strerror(errno = -rc2));
3114                                 if (rc == 0)
3115                                         rc = rc2;
3116                                 break;
3117                         }
3118
3119                         if (printcur)
3120                                 fprintf(stdout, "%lld ", rectmp);
3121                         if (device[0] == '/') {
3122                                 fprintf(stdout, "%s", device);
3123                                 if (device[strlen(device) - 1] != '/')
3124                                         fprintf(stdout, "/");
3125                         } else if (path[0] == '\0') {
3126                                 fprintf(stdout, "/");
3127                         }
3128                         fprintf(stdout, "%s\n", path);
3129
3130                         if (linkno >= 0)
3131                                 /* specified linkno */
3132                                 break;
3133                         if (oldtmp == lnktmp)
3134                                 /* no more links */
3135                                 break;
3136                 }
3137         }
3138
3139         free(path);
3140         return rc;
3141 }
3142
3143 static int lfs_path2fid(int argc, char **argv)
3144 {
3145         char **path;
3146         const char *sep = "";
3147         lustre_fid fid;
3148         int rc = 0;
3149
3150         if (argc < 2)
3151                 return CMD_HELP;
3152         else if (argc > 2)
3153                 sep = ": ";
3154
3155         path = argv + 1;
3156         while (*path != NULL) {
3157                 int err = llapi_path2fid(*path, &fid);
3158
3159                 if (err) {
3160                         fprintf(stderr, "%s: can't get fid for %s: %s\n",
3161                                 argv[0], *path, strerror(-err));
3162                         if (rc == 0) {
3163                                 rc = err;
3164                                 errno = -err;
3165                         }
3166                         goto out;
3167                 }
3168                 printf("%s%s"DFID"\n", *sep != '\0' ? *path : "", sep,
3169                        PFID(&fid));
3170 out:
3171                 path++;
3172         }
3173
3174         return rc;
3175 }
3176
3177 static int lfs_data_version(int argc, char **argv)
3178 {
3179         char *path;
3180         __u64 data_version;
3181         int fd;
3182         int rc;
3183         int c;
3184         int nolock = 0;
3185
3186         if (argc < 2)
3187                 return CMD_HELP;
3188
3189         optind = 0;
3190         while ((c = getopt(argc, argv, "n")) != -1) {
3191                 switch (c) {
3192                 case 'n':
3193                         nolock = LL_DV_NOFLUSH;
3194                         break;
3195                 default:
3196                         return CMD_HELP;
3197                 }
3198         }
3199         if (optind == argc)
3200                 return CMD_HELP;
3201
3202         path = argv[optind];
3203         fd = open(path, O_RDONLY);
3204         if (fd < 0) {
3205                 fprintf(stderr, "can't open %s: %s\n", path,
3206                         strerror(errno));
3207                 return errno;
3208         }
3209
3210         rc = llapi_get_data_version(fd, &data_version, nolock);
3211         if (rc) {
3212                 fprintf(stderr, "can't get version for %s: %s\n", path,
3213                         strerror(errno = -rc));
3214         } else
3215                 printf(LPU64 "\n", data_version);
3216
3217         close(fd);
3218
3219         return rc;
3220 }
3221
3222 static int lfs_hsm_state(int argc, char **argv)
3223 {
3224         int rc;
3225         int i = 1;
3226         char *path;
3227         struct hsm_user_state hus;
3228
3229         if (argc < 2)
3230                 return CMD_HELP;
3231
3232         do {
3233                 path = argv[i];
3234
3235                 rc = llapi_hsm_state_get(path, &hus);
3236                 if (rc) {
3237                         fprintf(stderr, "can't get hsm state for %s: %s\n",
3238                                 path, strerror(errno = -rc));
3239                         return rc;
3240                 }
3241
3242                 /* Display path name and status flags */
3243                 printf("%s: (0x%08x)", path, hus.hus_states);
3244
3245                 if (hus.hus_states & HS_RELEASED)
3246                         printf(" released");
3247                 if (hus.hus_states & HS_EXISTS)
3248                         printf(" exists");
3249                 if (hus.hus_states & HS_DIRTY)
3250                         printf(" dirty");
3251                 if (hus.hus_states & HS_ARCHIVED)
3252                         printf(" archived");
3253                 /* Display user-settable flags */
3254                 if (hus.hus_states & HS_NORELEASE)
3255                         printf(" never_release");
3256                 if (hus.hus_states & HS_NOARCHIVE)
3257                         printf(" never_archive");
3258                 if (hus.hus_states & HS_LOST)
3259                         printf(" lost_from_hsm");
3260
3261                 if (hus.hus_archive_id != 0)
3262                         printf(", archive_id:%d", hus.hus_archive_id);
3263                 printf("\n");
3264
3265         } while (++i < argc);
3266
3267         return 0;
3268 }
3269
3270 #define LFS_HSM_SET   0
3271 #define LFS_HSM_CLEAR 1
3272
3273 /**
3274  * Generic function to set or clear HSM flags.
3275  * Used by hsm_set and hsm_clear.
3276  *
3277  * @mode  if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
3278  */
3279 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
3280 {
3281         struct option long_opts[] = {
3282                 {"lost", 0, 0, 'l'},
3283                 {"norelease", 0, 0, 'r'},
3284                 {"noarchive", 0, 0, 'a'},
3285                 {"archived", 0, 0, 'A'},
3286                 {"dirty", 0, 0, 'd'},
3287                 {"exists", 0, 0, 'e'},
3288                 {0, 0, 0, 0}
3289         };
3290         char short_opts[] = "lraAde";
3291         __u64 mask = 0;
3292         int c, rc;
3293         char *path;
3294
3295         if (argc < 3)
3296                 return CMD_HELP;
3297
3298         optind = 0;
3299         while ((c = getopt_long(argc, argv, short_opts,
3300                                 long_opts, NULL)) != -1) {
3301                 switch (c) {
3302                 case 'l':
3303                         mask |= HS_LOST;
3304                         break;
3305                 case 'a':
3306                         mask |= HS_NOARCHIVE;
3307                         break;
3308                 case 'A':
3309                         mask |= HS_ARCHIVED;
3310                         break;
3311                 case 'r':
3312                         mask |= HS_NORELEASE;
3313                         break;
3314                 case 'd':
3315                         mask |= HS_DIRTY;
3316                         break;
3317                 case 'e':
3318                         mask |= HS_EXISTS;
3319                         break;
3320                 case '?':
3321                         return CMD_HELP;
3322                 default:
3323                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3324                                 argv[0], argv[optind - 1]);
3325                         return CMD_HELP;
3326                 }
3327         }
3328
3329         /* User should have specified a flag */
3330         if (mask == 0)
3331                 return CMD_HELP;
3332
3333         while (optind < argc) {
3334
3335                 path = argv[optind];
3336
3337                 /* If mode == 0, this means we apply the mask. */
3338                 if (mode == LFS_HSM_SET)
3339                         rc = llapi_hsm_state_set(path, mask, 0, 0);
3340                 else
3341                         rc = llapi_hsm_state_set(path, 0, mask, 0);
3342
3343                 if (rc != 0) {
3344                         fprintf(stderr, "Can't change hsm flags for %s: %s\n",
3345                                 path, strerror(errno = -rc));
3346                         return rc;
3347                 }
3348                 optind++;
3349         }
3350
3351         return 0;
3352 }
3353
3354 static int lfs_hsm_action(int argc, char **argv)
3355 {
3356         int                              rc;
3357         int                              i = 1;
3358         char                            *path;
3359         struct hsm_current_action        hca;
3360         struct hsm_extent                he;
3361         enum hsm_user_action             hua;
3362         enum hsm_progress_states         hps;
3363
3364         if (argc < 2)
3365                 return CMD_HELP;
3366
3367         do {
3368                 path = argv[i];
3369
3370                 rc = llapi_hsm_current_action(path, &hca);
3371                 if (rc) {
3372                         fprintf(stderr, "can't get hsm action for %s: %s\n",
3373                                 path, strerror(errno = -rc));
3374                         return rc;
3375                 }
3376                 he = hca.hca_location;
3377                 hua = hca.hca_action;
3378                 hps = hca.hca_state;
3379
3380                 printf("%s: %s", path, hsm_user_action2name(hua));
3381
3382                 /* Skip file without action */
3383                 if (hca.hca_action == HUA_NONE) {
3384                         printf("\n");
3385                         continue;
3386                 }
3387
3388                 printf(" %s ", hsm_progress_state2name(hps));
3389
3390                 if ((hps == HPS_RUNNING) &&
3391                     (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
3392                         printf("("LPX64 " bytes moved)\n", he.length);
3393                 else if ((he.offset + he.length) == OBD_OBJECT_EOF)
3394                         printf("(from "LPX64 " to EOF)\n", he.offset);
3395                 else
3396                         printf("(from "LPX64 " to "LPX64")\n",
3397                                he.offset, he.offset + he.length);
3398
3399         } while (++i < argc);
3400
3401         return 0;
3402 }
3403
3404 static int lfs_hsm_set(int argc, char **argv)
3405 {
3406         return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
3407 }
3408
3409 static int lfs_hsm_clear(int argc, char **argv)
3410 {
3411         return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
3412 }
3413
3414 /**
3415  * Check file state and return its fid, to be used by lfs_hsm_request().
3416  *
3417  * \param[in]     file      Path to file to check
3418  * \param[in,out] fid       Pointer to allocated lu_fid struct.
3419  * \param[in,out] last_dev  Pointer to last device id used.
3420  *
3421  * \return 0 on success.
3422  */
3423 static int lfs_hsm_prepare_file(char *file, struct lu_fid *fid,
3424                                 dev_t *last_dev)
3425 {
3426         struct stat     st;
3427         int             rc;
3428
3429         rc = lstat(file, &st);
3430         if (rc) {
3431                 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
3432                 return -errno;
3433         }
3434         /* A request should be ... */
3435         if (*last_dev != st.st_dev && *last_dev != 0) {
3436                 fprintf(stderr, "All files should be "
3437                         "on the same filesystem: %s\n", file);
3438                 return -EINVAL;
3439         }
3440         *last_dev = st.st_dev;
3441
3442         rc = llapi_path2fid(file, fid);
3443         if (rc) {
3444                 fprintf(stderr, "Cannot read FID of %s: %s\n",
3445                         file, strerror(-rc));
3446                 return rc;
3447         }
3448         return 0;
3449 }
3450
3451 static int lfs_hsm_request(int argc, char **argv, int action)
3452 {
3453         struct option            long_opts[] = {
3454                 {"filelist", 1, 0, 'l'},
3455                 {"data", 1, 0, 'D'},
3456                 {"archive", 1, 0, 'a'},
3457                 {0, 0, 0, 0}
3458         };
3459         dev_t                    last_dev = 0;
3460         char                     short_opts[] = "l:D:a:";
3461         struct hsm_user_request *hur, *oldhur;
3462         int                      c, i;
3463         size_t                   len;
3464         int                      nbfile;
3465         char                    *line = NULL;
3466         char                    *filelist = NULL;
3467         char                     fullpath[PATH_MAX];
3468         char                    *opaque = NULL;
3469         int                      opaque_len = 0;
3470         int                      archive_id = 0;
3471         FILE                    *fp;
3472         int                      nbfile_alloc = 0;
3473         char                     some_file[PATH_MAX+1] = "";
3474         int                      rc;
3475
3476         if (argc < 2)
3477                 return CMD_HELP;
3478
3479         optind = 0;
3480         while ((c = getopt_long(argc, argv, short_opts,
3481                                 long_opts, NULL)) != -1) {
3482                 switch (c) {
3483                 case 'l':
3484                         filelist = optarg;
3485                         break;
3486                 case 'D':
3487                         opaque = optarg;
3488                         break;
3489                 case 'a':
3490                         if (action != HUA_ARCHIVE) {
3491                                 fprintf(stderr,
3492                                         "error: -a is supported only "
3493                                         "when archiving\n");
3494                                 return CMD_HELP;
3495                         }
3496                         archive_id = atoi(optarg);
3497                         break;
3498                 case '?':
3499                         return CMD_HELP;
3500                 default:
3501                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3502                                 argv[0], argv[optind - 1]);
3503                         return CMD_HELP;
3504                 }
3505         }
3506
3507         /* All remaining args are files, so we have at least nbfile */
3508         nbfile = argc - optind;
3509
3510         if ((nbfile == 0) && (filelist == NULL))
3511                 return CMD_HELP;
3512
3513         if (opaque != NULL)
3514                 opaque_len = strlen(opaque);
3515
3516         /* Alloc the request structure with enough place to store all files
3517          * from command line. */
3518         hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
3519         if (hur == NULL) {
3520                 fprintf(stderr, "Cannot create the request: %s\n",
3521                         strerror(errno));
3522                 return errno;
3523         }
3524         nbfile_alloc = nbfile;
3525
3526         hur->hur_request.hr_action = action;
3527         hur->hur_request.hr_archive_id = archive_id;
3528         hur->hur_request.hr_flags = 0;
3529
3530         /* All remaining args are files, add them */
3531         if (nbfile != 0)
3532                 strcpy(some_file, argv[optind]);
3533
3534         for (i = 0; i < nbfile; i++) {
3535                 hur->hur_user_item[i].hui_extent.length = -1;
3536                 rc = lfs_hsm_prepare_file(argv[optind + i],
3537                                           &hur->hur_user_item[i].hui_fid,
3538                                           &last_dev);
3539                 hur->hur_request.hr_itemcount++;
3540                 if (rc)
3541                         goto out_free;
3542         }
3543
3544         /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
3545
3546         /* If a filelist was specified, read the filelist from it. */
3547         if (filelist != NULL) {
3548                 fp = fopen(filelist, "r");
3549                 if (fp == NULL) {
3550                         fprintf(stderr, "Cannot read the file list %s: %s\n",
3551                                 filelist, strerror(errno));
3552                         rc = -errno;
3553                         goto out_free;
3554                 }
3555
3556                 while ((rc = getline(&line, &len, fp)) != -1) {
3557                         struct hsm_user_item *hui;
3558
3559                         /* If allocated buffer was too small, gets something
3560                          * bigger */
3561                         if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
3562                                 nbfile_alloc = nbfile_alloc * 2 + 1;
3563                                 oldhur = hur;
3564                                 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
3565                                                                    opaque_len);
3566                                 if (hur == NULL) {
3567                                         fprintf(stderr, "Cannot allocate "
3568                                                 "the request: %s\n",
3569                                                 strerror(errno));
3570                                         hur = oldhur;
3571                                         rc = -errno;
3572                                         goto out_free;
3573                                 }
3574                                 memcpy(hur, oldhur, hur_len(oldhur));
3575                                 free(oldhur);
3576                         }
3577
3578                         /* Chop CR */
3579                         if (line[strlen(line) - 1] == '\n')
3580                                 line[strlen(line) - 1] = '\0';
3581
3582                         hui =
3583                              &hur->hur_user_item[hur->hur_request.hr_itemcount];
3584                         hui->hui_extent.length = -1;
3585                         rc = lfs_hsm_prepare_file(line, &hui->hui_fid,
3586                                                   &last_dev);
3587                         hur->hur_request.hr_itemcount++;
3588                         if (rc)
3589                                 goto out_free;
3590
3591                         if ((some_file[0] == '\0') &&
3592                             (strlen(line) < sizeof(some_file)))
3593                                 strcpy(some_file, line);
3594                 }
3595
3596                 rc = fclose(fp);
3597                 if (line)
3598                         free(line);
3599         }
3600
3601         /* If a --data was used, add it to the request */
3602         hur->hur_request.hr_data_len = opaque_len;
3603         if (opaque != NULL)
3604                 memcpy(hur_data(hur), opaque, opaque_len);
3605
3606         /* Send the HSM request */
3607         if (realpath(some_file, fullpath) == NULL) {
3608                 fprintf(stderr, "Could not find path '%s': %s\n",
3609                         some_file, strerror(errno));
3610         }
3611         rc = llapi_hsm_request(fullpath, hur);
3612         if (rc) {
3613                 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
3614                         some_file, strerror(-rc));
3615                 goto out_free;
3616         }
3617
3618 out_free:
3619         free(hur);
3620         return rc;
3621 }
3622
3623 static int lfs_hsm_archive(int argc, char **argv)
3624 {
3625         return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
3626 }
3627
3628 static int lfs_hsm_restore(int argc, char **argv)
3629 {
3630         return lfs_hsm_request(argc, argv, HUA_RESTORE);
3631 }
3632
3633 static int lfs_hsm_release(int argc, char **argv)
3634 {
3635         return lfs_hsm_request(argc, argv, HUA_RELEASE);
3636 }
3637
3638 static int lfs_hsm_remove(int argc, char **argv)
3639 {
3640         return lfs_hsm_request(argc, argv, HUA_REMOVE);
3641 }
3642
3643 static int lfs_hsm_cancel(int argc, char **argv)
3644 {
3645         return lfs_hsm_request(argc, argv, HUA_CANCEL);
3646 }
3647
3648 static int lfs_swap_layouts(int argc, char **argv)
3649 {
3650         if (argc != 3)
3651                 return CMD_HELP;
3652
3653         return llapi_swap_layouts(argv[1], argv[2], 0, 0,
3654                                   SWAP_LAYOUTS_KEEP_MTIME |
3655                                   SWAP_LAYOUTS_KEEP_ATIME);
3656 }
3657
3658 int main(int argc, char **argv)
3659 {
3660         int rc;
3661
3662         setlinebuf(stdout);
3663
3664         ptl_initialize(argc, argv);
3665         if (obd_initialize(argc, argv) < 0)
3666                 exit(2);
3667
3668         Parser_init("lfs > ", cmdlist);
3669
3670         if (argc > 1) {
3671                 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
3672         } else {
3673                 rc = Parser_commands();
3674         }
3675
3676         obd_finalize(argc, argv);
3677         return rc < 0 ? -rc : rc;
3678 }
3679