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 = llapi_parse_size(stripe_size_arg, &st_size,
 729                                           &size_units, 0);
 730                 if (result) {
 731                         fprintf(stderr, "error: %s: bad stripe size '%s'\n",
 732                                 argv[0], stripe_size_arg);
 733                         return result;
 734                 }
 735         }
 736         /* get the stripe offset */
 737         if (stripe_off_arg != NULL) {
 738                 st_offset = strtol(stripe_off_arg, &end, 0);
 739                 if (*end != '\0') {
 740                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
 741                                 argv[0], stripe_off_arg);
 742                         return CMD_HELP;
 743                 }
 744         }
 745         /* get the stripe count */
 746         if (stripe_count_arg != NULL) {
 747                 st_count = strtoul(stripe_count_arg, &end, 0);
 748                 if (*end != '\0') {
 749                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
 750                                 argv[0], stripe_count_arg);
 751                         return CMD_HELP;
 752                 }
 753         }
 754
 755         do {
 756                 if (migrate_mode)
 757                         result = lfs_migrate(fname, st_size, st_offset,
 758                                              st_count, 0, pool_name_arg,
 759                                              migration_flags);
 760                 else
 761                         result = llapi_file_create_pool(fname, st_size,
 762                                                         st_offset, st_count,
 763                                                         0, pool_name_arg);
 764                 if (result) {
 765                         fprintf(stderr,
 766                                 "error: %s: %s stripe file '%s' failed\n",
 767                                 argv[0], migrate_mode ? "migrate" : "create",
 768                                 fname);
 769                         break;
 770                 }
 771                 fname = argv[++optind];
 772         } while (fname != NULL);
 773
 774         return result;
 775 }
 776
 777 static int lfs_poollist(int argc, char **argv)
 778 {
 779         if (argc != 2)
 780                 return CMD_HELP;
 781
 782         return llapi_poollist(argv[1]);
 783 }
 784
 785 static int set_time(time_t *time, time_t *set, char *str)
 786 {
 787         time_t t;
 788         int res = 0;
 789
 790         if (str[0] == '+')
 791                 res = 1;
 792         else if (str[0] == '-')
 793                 res = -1;
 794
 795         if (res)
 796                 str++;
 797
 798         t = strtol(str, NULL, 0);
 799         if (*time < t * 24 * 60 * 60) {
 800                 if (res)
 801                         str--;
 802                 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
 803                 return INT_MAX;
 804         }
 805
 806         *set = *time - t * 24 * 60 * 60;
 807         return res;
 808 }
 809
 810 #define USER 0
 811 #define GROUP 1
 812
 813 static int name2id(unsigned int *id, char *name, int type)
 814 {
 815         if (type == USER) {
 816                 struct passwd *entry;
 817
 818                 if (!(entry = getpwnam(name))) {
 819                         if (!errno)
 820                                 errno = ENOENT;
 821                         return -1;
 822                 }
 823
 824                 *id = entry->pw_uid;
 825         } else {
 826                 struct group *entry;
 827
 828                 if (!(entry = getgrnam(name))) {
 829                         if (!errno)
 830                                 errno = ENOENT;
 831                         return -1;
 832                 }
 833
 834                 *id = entry->gr_gid;
 835         }
 836
 837         return 0;
 838 }
 839
 840 static int id2name(char **name, unsigned int id, int type)
 841 {
 842         if (type == USER) {
 843                 struct passwd *entry;
 844
 845                 if (!(entry = getpwuid(id))) {
 846                         if (!errno)
 847                                 errno = ENOENT;
 848                         return -1;
 849                 }
 850
 851                 *name = entry->pw_name;
 852         } else {
 853                 struct group *entry;
 854
 855                 if (!(entry = getgrgid(id))) {
 856                         if (!errno)
 857                                 errno = ENOENT;
 858                         return -1;
 859                 }
 860
 861                 *name = entry->gr_name;
 862         }
 863
 864         return 0;
 865 }
 866
 867 static int name2layout(__u32 *layout, char *name)
 868 {
 869         char *ptr, *lyt;
 870
 871         *layout = 0;
 872         for (ptr = name; ; ptr = NULL) {
 873                 lyt = strtok(ptr, ",");
 874                 if (lyt == NULL)
 875                         break;
 876                 if (strcmp(lyt, "released") == 0)
 877                         *layout |= LOV_PATTERN_F_RELEASED;
 878                 else if (strcmp(lyt, "raid0") == 0)
 879                         *layout |= LOV_PATTERN_RAID0;
 880                 else
 881                         return -1;
 882         }
 883         return 0;
 884 }
 885
 886 #define FIND_POOL_OPT 3
 887 static int lfs_find(int argc, char **argv)
 888 {
 889         int c, ret;
 890         time_t t;
 891         struct find_param param = { .maxdepth = -1, .quiet = 1 };
 892         struct option long_opts[] = {
 893                 {"atime",        required_argument, 0, 'A'},
 894                 {"stripe-count", required_argument, 0, 'c'},
 895                 {"stripe_count", required_argument, 0, 'c'},
 896                 {"ctime",        required_argument, 0, 'C'},
 897                 {"maxdepth",     required_argument, 0, 'D'},
 898                 {"gid",          required_argument, 0, 'g'},
 899                 {"group",        required_argument, 0, 'G'},
 900                 {"stripe-index", required_argument, 0, 'i'},
 901                 {"stripe_index", required_argument, 0, 'i'},
 902                 {"layout",       required_argument, 0, 'L'},
 903                 {"mdt",          required_argument, 0, 'm'},
 904                 {"mtime",        required_argument, 0, 'M'},
 905                 {"name",         required_argument, 0, 'n'},
 906      /* reserve {"or",           no_argument,     , 0, 'o'}, to match find(1) */
 907                 {"obd",          required_argument, 0, 'O'},
 908                 {"ost",          required_argument, 0, 'O'},
 909                 /* no short option for pool, p/P already used */
 910                 {"pool",         required_argument, 0, FIND_POOL_OPT},
 911                 {"print0",       no_argument,       0, 'p'},
 912                 {"print",        no_argument,       0, 'P'},
 913                 {"size",         required_argument, 0, 's'},
 914                 {"stripe-size",  required_argument, 0, 'S'},
 915                 {"stripe_size",  required_argument, 0, 'S'},
 916                 {"type",         required_argument, 0, 't'},
 917                 {"uid",          required_argument, 0, 'u'},
 918                 {"user",         required_argument, 0, 'U'},
 919                 {0, 0, 0, 0}
 920         };
 921         int pathstart = -1;
 922         int pathend = -1;
 923         int neg_opt = 0;
 924         time_t *xtime;
 925         int *xsign;
 926         int isoption;
 927         char *endptr;
 928
 929         time(&t);
 930
 931         optind = 0;
 932         /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
 933         while ((c = getopt_long_only(argc, argv,
 934                                      "-A:c:C:D:g:G:i:L:m:M:n:O:Ppqrs:S:t:u:U:v",
 935                                      long_opts, NULL)) >= 0) {
 936                 xtime = NULL;
 937                 xsign = NULL;
 938                 if (neg_opt)
 939                         --neg_opt;
 940                 /* '!' is part of option */
 941                 /* when getopt_long_only() finds a string which is not
 942                  * an option nor a known option argument it returns 1
 943                  * in that case if we already have found pathstart and pathend
 944                  * (i.e. we have the list of pathnames),
 945                  * the only supported value is "!"
 946                  */
 947                 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
 948                 if (!isoption && pathend != -1) {
 949                         fprintf(stderr, "err: %s: filename|dirname must either "
 950                                         "precede options or follow options\n",
 951                                         argv[0]);
 952                         ret = CMD_HELP;
 953                         goto err;
 954                 }
 955                 if (!isoption && pathstart == -1)
 956                         pathstart = optind - 1;
 957                 if (isoption && pathstart != -1 && pathend == -1)
 958                         pathend = optind - 2;
 959                 switch (c) {
 960                 case 0:
 961                         /* Long options. */
 962                         break;
 963                 case 1:
 964                         /* unknown; opt is "!" or path component,
 965                          * checking done above.
 966                          */
 967                         if (strcmp(optarg, "!") == 0)
 968                                 neg_opt = 2;
 969                         break;
 970                 case 'A':
 971                         xtime = &param.atime;
 972                         xsign = &param.asign;
 973                         param.exclude_atime = !!neg_opt;
 974                         /* no break, this falls through to 'C' for ctime */
 975                 case 'C':
 976                         if (c == 'C') {
 977                                 xtime = &param.ctime;
 978                                 xsign = &param.csign;
 979                                 param.exclude_ctime = !!neg_opt;
 980                         }
 981                         /* no break, this falls through to 'M' for mtime */
 982                 case 'M':
 983                         if (c == 'M') {
 984                                 xtime = &param.mtime;
 985                                 xsign = &param.msign;
 986                                 param.exclude_mtime = !!neg_opt;
 987                         }
 988                         ret = set_time(&t, xtime, optarg);
 989                         if (ret == INT_MAX) {
 990                                 ret = -1;
 991                                 goto err;
 992                         }
 993                         if (ret)
 994                                 *xsign = ret;
 995                         break;
 996                 case 'c':
 997                         if (optarg[0] == '+') {
 998                                 param.stripecount_sign = -1;
 999                                 optarg++;
1000                         } else if (optarg[0] == '-') {
1001                                 param.stripecount_sign =  1;
1002                                 optarg++;
1003                         }
1004
1005                         param.stripecount = strtoul(optarg, &endptr, 0);
1006                         if (*endptr != '\0') {
1007                                 fprintf(stderr,"error: bad stripe_count '%s'\n",
1008                                         optarg);
1009                                 ret = -1;
1010                                 goto err;
1011                         }
1012                         param.check_stripecount = 1;
1013                         param.exclude_stripecount = !!neg_opt;
1014                         break;
1015                 case 'D':
1016                         param.maxdepth = strtol(optarg, 0, 0);
1017                         break;
1018                 case 'g':
1019                 case 'G':
1020                         ret = name2id(&param.gid, optarg, GROUP);
1021                         if (ret) {
1022                                 param.gid = strtoul(optarg, &endptr, 10);
1023                                 if (*endptr != '\0') {
1024                                         fprintf(stderr, "Group/GID: %s cannot "
1025                                                 "be found.\n", optarg);
1026                                         ret = -1;
1027                                         goto err;
1028                                 }
1029                         }
1030                         param.exclude_gid = !!neg_opt;
1031                         param.check_gid = 1;
1032                         break;
1033                 case 'L':
1034                         ret = name2layout(&param.layout, optarg);
1035                         if (ret)
1036                                 goto err;
1037                         param.exclude_layout = !!neg_opt;
1038                         param.check_layout = 1;
1039                         break;
1040                 case 'u':
1041                 case 'U':
1042                         ret = name2id(&param.uid, optarg, USER);
1043                         if (ret) {
1044                                 param.uid = strtoul(optarg, &endptr, 10);
1045                                 if (*endptr != '\0') {
1046                                         fprintf(stderr, "User/UID: %s cannot "
1047                                                 "be found.\n", optarg);
1048                                         ret = -1;
1049                                         goto err;
1050                                 }
1051                         }
1052                         param.exclude_uid = !!neg_opt;
1053                         param.check_uid = 1;
1054                         break;
1055                 case FIND_POOL_OPT:
1056                         if (strlen(optarg) > LOV_MAXPOOLNAME) {
1057                                 fprintf(stderr,
1058                                         "Pool name %s is too long"
1059                                         " (max is %d)\n", optarg,
1060                                         LOV_MAXPOOLNAME);
1061                                 ret = -1;
1062                                 goto err;
1063                         }
1064                         /* we do check for empty pool because empty pool
1065                          * is used to find V1 lov attributes */
1066                         strncpy(param.poolname, optarg, LOV_MAXPOOLNAME);
1067                         param.poolname[LOV_MAXPOOLNAME] = '\0';
1068                         param.exclude_pool = !!neg_opt;
1069                         param.check_pool = 1;
1070                         break;
1071                 case 'n':
1072                         param.pattern = (char *)optarg;
1073                         param.exclude_pattern = !!neg_opt;
1074                         break;
1075                 case 'm':
1076                 case 'i':
1077                 case 'O': {
1078                         char *buf, *token, *next, *p;
1079                         int len = 1;
1080                         void *tmp;
1081
1082                         buf = strdup(optarg);
1083                         if (buf == NULL) {
1084                                 ret = -ENOMEM;
1085                                 goto err;
1086                         }
1087
1088                         param.exclude_obd = !!neg_opt;
1089
1090                         token = buf;
1091                         while (token && *token) {
1092                                 token = strchr(token, ',');
1093                                 if (token) {
1094                                         len++;
1095                                         token++;
1096                                 }
1097                         }
1098                         if (c == 'm') {
1099                                 param.exclude_mdt = !!neg_opt;
1100                                 param.num_alloc_mdts += len;
1101                                 tmp = realloc(param.mdtuuid,
1102                                               param.num_alloc_mdts *
1103                                               sizeof(*param.mdtuuid));
1104                                 if (tmp == NULL)
1105                                         GOTO(err_free, ret = -ENOMEM);
1106                                 param.mdtuuid = tmp;
1107                         } else {
1108                                 param.exclude_obd = !!neg_opt;
1109                                 param.num_alloc_obds += len;
1110                                 tmp = realloc(param.obduuid,
1111                                               param.num_alloc_obds *
1112                                               sizeof(*param.obduuid));
1113                                 if (tmp == NULL)
1114                                         GOTO(err_free, ret = -ENOMEM);
1115                                 param.obduuid = tmp;
1116                         }
1117                         for (token = buf; token && *token; token = next) {
1118                                 char *uuid;
1119                                 if (c == 'm')
1120                                         uuid =
1121                                           param.mdtuuid[param.num_mdts++].uuid;
1122                                 else
1123                                         uuid =
1124                                           param.obduuid[param.num_obds++].uuid;
1125                                 p = strchr(token, ',');
1126                                 next = 0;
1127                                 if (p) {
1128                                         *p = 0;
1129                                         next = p+1;
1130                                 }
1131                                 strcpy((char *)uuid, token);
1132                         }
1133 err_free:
1134                         if (buf)
1135                                 free(buf);
1136                         break;
1137                 }
1138                 case 'p':
1139                         param.zeroend = 1;
1140                         break;
1141                 case 'P':
1142                         break;
1143                 case 's':
1144                         if (optarg[0] == '+') {
1145                                 param.size_sign = -1;
1146                                 optarg++;
1147                         } else if (optarg[0] == '-') {
1148                                 param.size_sign =  1;
1149                                 optarg++;
1150                         }
1151
1152                         ret = llapi_parse_size(optarg, &param.size,
1153                                                &param.size_units, 0);
1154                         if (ret) {
1155                                 fprintf(stderr, "error: bad file size '%s'\n",
1156                                         optarg);
1157                                 goto err;
1158                         }
1159                         param.check_size = 1;
1160                         param.exclude_size = !!neg_opt;
1161                         break;
1162                 case 'S':
1163                         if (optarg[0] == '+') {
1164                                 param.stripesize_sign = -1;
1165                                 optarg++;
1166                         } else if (optarg[0] == '-') {
1167                                 param.stripesize_sign =  1;
1168                                 optarg++;
1169                         }
1170
1171                         ret = llapi_parse_size(optarg, &param.stripesize,
1172                                                &param.stripesize_units, 0);
1173                         if (ret) {
1174                                 fprintf(stderr, "error: bad stripe_size '%s'\n",
1175                                         optarg);
1176                                 goto err;
1177                         }
1178                         param.check_stripesize = 1;
1179                         param.exclude_stripesize = !!neg_opt;
1180                         break;
1181                 case 't':
1182                         param.exclude_type = !!neg_opt;
1183                         switch(optarg[0]) {
1184                         case 'b': param.type = S_IFBLK; break;
1185                         case 'c': param.type = S_IFCHR; break;
1186                         case 'd': param.type = S_IFDIR; break;
1187                         case 'f': param.type = S_IFREG; break;
1188                         case 'l': param.type = S_IFLNK; break;
1189                         case 'p': param.type = S_IFIFO; break;
1190                         case 's': param.type = S_IFSOCK; break;
1191 #ifdef S_IFDOOR /* Solaris only */
1192                         case 'D': param.type = S_IFDOOR; break;
1193 #endif
1194                         default: fprintf(stderr, "error: %s: bad type '%s'\n",
1195                                          argv[0], optarg);
1196                                  ret = CMD_HELP;
1197                                  goto err;
1198                         };
1199                         break;
1200                 default:
1201                         ret = CMD_HELP;
1202                         goto err;
1203                 };
1204         }
1205
1206         if (pathstart == -1) {
1207                 fprintf(stderr, "error: %s: no filename|pathname\n",
1208                         argv[0]);
1209                 ret = CMD_HELP;
1210                 goto err;
1211         } else if (pathend == -1) {
1212                 /* no options */
1213                 pathend = argc;
1214         }
1215
1216         do {
1217                 ret = llapi_find(argv[pathstart], &param);
1218         } while (++pathstart < pathend && !ret);
1219
1220         if (ret)
1221                 fprintf(stderr, "error: %s failed for %s.\n",
1222                         argv[0], argv[optind - 1]);
1223 err:
1224         if (param.obduuid && param.num_alloc_obds)
1225                 free(param.obduuid);
1226
1227         if (param.mdtuuid && param.num_alloc_mdts)
1228                 free(param.mdtuuid);
1229
1230         return ret;
1231 }
1232
1233 static int lfs_getstripe_internal(int argc, char **argv,
1234                                   struct find_param *param)
1235 {
1236         struct option long_opts[] = {
1237 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1238 #warning "remove deprecated --count option"
1239 #else
1240                 /* This formerly implied "stripe-count", but was explicitly
1241                  * made "stripe-count" for consistency with other options,
1242                  * and to separate it from "mdt-count" when DNE arrives. */
1243                 {"count",               no_argument,            0, 'c'},
1244 #endif
1245                 {"stripe-count",        no_argument,            0, 'c'},
1246                 {"stripe_count",        no_argument,            0, 'c'},
1247                 {"directory",           no_argument,            0, 'd'},
1248                 {"generation",          no_argument,            0, 'g'},
1249 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1250 #warning "remove deprecated --index option"
1251 #else
1252                 /* This formerly implied "stripe-index", but was explicitly
1253                  * made "stripe-index" for consistency with other options,
1254                  * and to separate it from "mdt-index" when DNE arrives. */
1255                 {"index",               no_argument,            0, 'i'},
1256 #endif
1257                 {"stripe-index",        no_argument,            0, 'i'},
1258                 {"stripe_index",        no_argument,            0, 'i'},
1259                 {"layout",              no_argument,            0, 'L'},
1260                 {"mdt-index",           no_argument,            0, 'M'},
1261                 {"mdt_index",           no_argument,            0, 'M'},
1262 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1263 #warning "remove deprecated --offset option"
1264 #else
1265                 /* This formerly implied "stripe-index", but was confusing
1266                  * with "file offset" (which will eventually be needed for
1267                  * with different layouts by offset), so deprecate it. */
1268                 {"offset",              no_argument,            0, 'o'},
1269 #endif
1270                 {"obd",                 required_argument,      0, 'O'},
1271                 {"ost",                 required_argument,      0, 'O'},
1272                 {"pool",                no_argument,            0, 'p'},
1273                 {"quiet",               no_argument,            0, 'q'},
1274                 {"recursive",           no_argument,            0, 'r'},
1275                 {"raw",                 no_argument,            0, 'R'},
1276 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1277 #warning "remove deprecated --size option"
1278 #else
1279                 /* This formerly implied "--stripe-size", but was confusing
1280                  * with "lfs find --size|-s", which means "file size", so use
1281                  * the consistent "--stripe-size|-S" for all commands. */
1282                 {"size",                no_argument,            0, 's'},
1283 #endif
1284                 {"stripe-size",         no_argument,            0, 'S'},
1285                 {"stripe_size",         no_argument,            0, 'S'},
1286                 {"verbose",             no_argument,            0, 'v'},
1287                 {0, 0, 0, 0}
1288         };
1289         int c, rc;
1290
1291         param->maxdepth = 1;
1292         optind = 0;
1293         while ((c = getopt_long(argc, argv, "cdghiLMoO:pqrRsSv",
1294                                 long_opts, NULL)) != -1) {
1295                 switch (c) {
1296                 case 'O':
1297                         if (param->obduuid) {
1298                                 fprintf(stderr,
1299                                         "error: %s: only one obduuid allowed",
1300                                         argv[0]);
1301                                 return CMD_HELP;
1302                         }
1303                         param->obduuid = (struct obd_uuid *)optarg;
1304                         break;
1305                 case 'q':
1306                         param->quiet++;
1307                         break;
1308                 case 'd':
1309                         param->maxdepth = 0;
1310                         break;
1311                 case 'r':
1312                         param->recursive = 1;
1313                         break;
1314                 case 'v':
1315                         param->verbose = VERBOSE_ALL | VERBOSE_DETAIL;
1316                         break;
1317                 case 'c':
1318 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1319 #warning "remove deprecated --count option"
1320 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1321                         if (strcmp(argv[optind - 1], "--count") == 0)
1322                                 fprintf(stderr, "warning: '--count' deprecated,"
1323                                         " use '--stripe-count' instead\n");
1324 #endif
1325                         if (!(param->verbose & VERBOSE_DETAIL)) {
1326                                 param->verbose |= VERBOSE_COUNT;
1327                                 param->maxdepth = 0;
1328                         }
1329                         break;
1330                 case 's':
1331 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1332 #warning "remove deprecated --size option"
1333 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1334                         fprintf(stderr, "warning: '--size|-s' deprecated, "
1335                                 "use '--stripe-size|-S' instead\n");
1336 #endif
1337                 case 'S':
1338                         if (!(param->verbose & VERBOSE_DETAIL)) {
1339                                 param->verbose |= VERBOSE_SIZE;
1340                                 param->maxdepth = 0;
1341                         }
1342                         break;
1343                 case 'o':
1344 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,4,50,0)
1345                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
1346                                 "use '--stripe-index|-i' instead\n");
1347 #else
1348                         if (strcmp(argv[optind - 1], "--offset") == 0)
1349                                 /* need --stripe-index established first */
1350                                 fprintf(stderr, "warning: '--offset' deprecated"
1351                                         ", use '--index' instead\n");
1352 #endif
1353                 case 'i':
1354 #if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
1355 #warning "remove deprecated --offset and --index options"
1356 #elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
1357                         if (strcmp(argv[optind - 1], "--index") == 0)
1358                                 fprintf(stderr, "warning: '--index' deprecated"
1359                                         ", use '--stripe-index' instead\n");
1360 #endif
1361                         if (!(param->verbose & VERBOSE_DETAIL)) {
1362                                 param->verbose |= VERBOSE_OFFSET;
1363                                 param->maxdepth = 0;
1364                         }
1365                         break;
1366                 case 'p':
1367                         if (!(param->verbose & VERBOSE_DETAIL)) {
1368                                 param->verbose |= VERBOSE_POOL;
1369                                 param->maxdepth = 0;
1370                         }
1371                         break;
1372                 case 'g':
1373                         if (!(param->verbose & VERBOSE_DETAIL)) {
1374                                 param->verbose |= VERBOSE_GENERATION;
1375                                 param->maxdepth = 0;
1376                         }
1377                         break;
1378                 case 'L':
1379                         if (!(param->verbose & VERBOSE_DETAIL)) {
1380                                 param->verbose |= VERBOSE_LAYOUT;
1381                                 param->maxdepth = 0;
1382                         }
1383                         break;
1384                 case 'M':
1385                         if (!(param->verbose & VERBOSE_DETAIL))
1386                                 param->maxdepth = 0;
1387                         param->verbose |= VERBOSE_MDTINDEX;
1388                         break;
1389                 case 'R':
1390                         param->raw = 1;
1391                         break;
1392                 default:
1393                         return CMD_HELP;
1394                 }
1395         }
1396
1397         if (optind >= argc)
1398                 return CMD_HELP;
1399
1400         if (param->recursive)
1401                 param->maxdepth = -1;
1402
1403         if (!param->verbose)
1404                 param->verbose = VERBOSE_ALL;
1405         if (param->quiet)
1406                 param->verbose = VERBOSE_OBJID;
1407
1408         do {
1409                 rc = llapi_getstripe(argv[optind], param);
1410         } while (++optind < argc && !rc);
1411
1412         if (rc)
1413                 fprintf(stderr, "error: %s failed for %s.\n",
1414                         argv[0], argv[optind - 1]);
1415         return rc;
1416 }
1417
1418 static int lfs_tgts(int argc, char **argv)
1419 {
1420         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1421         struct find_param param;
1422         int index = 0, rc=0;
1423
1424         if (argc > 2)
1425                 return CMD_HELP;
1426
1427         if (argc == 2 && !realpath(argv[1], path)) {
1428                 rc = -errno;
1429                 fprintf(stderr, "error: invalid path '%s': %s\n",
1430                         argv[1], strerror(-rc));
1431                 return rc;
1432         }
1433
1434         while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
1435                 /* Check if we have a mount point */
1436                 if (mntdir[0] == '\0')
1437                         continue;
1438
1439                 memset(&param, 0, sizeof(param));
1440                 if (!strcmp(argv[0], "mdts"))
1441                         param.get_lmv = 1;
1442
1443                 rc = llapi_ostlist(mntdir, &param);
1444                 if (rc) {
1445                         fprintf(stderr, "error: %s: failed on %s\n",
1446                                 argv[0], mntdir);
1447                 }
1448                 if (path[0] != '\0')
1449                         break;
1450                 memset(mntdir, 0, PATH_MAX);
1451         }
1452
1453         return rc;
1454 }
1455
1456 static int lfs_getstripe(int argc, char **argv)
1457 {
1458         struct find_param param = { 0 };
1459         return lfs_getstripe_internal(argc, argv, &param);
1460 }
1461
1462 /* functions */
1463 static int lfs_getdirstripe(int argc, char **argv)
1464 {
1465         struct find_param param = { 0 };
1466
1467         param.get_lmv = 1;
1468         return lfs_getstripe_internal(argc, argv, &param);
1469 }
1470
1471 /* functions */
1472 static int lfs_setdirstripe(int argc, char **argv)
1473 {
1474         char *dname;
1475         int result;
1476         int  st_offset, st_count;
1477         char *end;
1478         int c;
1479         char *stripe_off_arg = NULL;
1480         int  flags = 0;
1481
1482         struct option long_opts[] = {
1483                 {"index",    required_argument, 0, 'i'},
1484                 {0, 0, 0, 0}
1485         };
1486
1487         st_offset = -1;
1488         st_count = 1;
1489         optind = 0;
1490         while ((c = getopt_long(argc, argv, "i:o",
1491                                 long_opts, NULL)) >= 0) {
1492                 switch (c) {
1493                 case 0:
1494                         /* Long options. */
1495                         break;
1496                 case 'i':
1497                         stripe_off_arg = optarg;
1498                         break;
1499                 default:
1500                         fprintf(stderr, "error: %s: option '%s' "
1501                                         "unrecognized\n",
1502                                         argv[0], argv[optind - 1]);
1503                         return CMD_HELP;
1504                 }
1505         }
1506
1507         if (optind == argc) {
1508                 fprintf(stderr, "error: %s: missing dirname\n",
1509                         argv[0]);
1510                 return CMD_HELP;
1511         }
1512
1513         dname = argv[optind];
1514         if (stripe_off_arg == NULL) {
1515                 fprintf(stderr, "error: %s: missing stripe_off.\n",
1516                         argv[0]);
1517                 return CMD_HELP;
1518         }
1519         /* get the stripe offset */
1520         st_offset = strtoul(stripe_off_arg, &end, 0);
1521         if (*end != '\0') {
1522                 fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
1523                         argv[0], stripe_off_arg);
1524                 return CMD_HELP;
1525         }
1526         do {
1527                 result = llapi_dir_create_pool(dname, flags, st_offset,
1528                                                st_count, 0, NULL);
1529                 if (result) {
1530                         fprintf(stderr, "error: %s: create stripe dir '%s' "
1531                                 "failed\n", argv[0], dname);
1532                         break;
1533                 }
1534                 dname = argv[++optind];
1535         } while (dname != NULL);
1536
1537         return result;
1538 }
1539
1540 /* functions */
1541 static int lfs_rmentry(int argc, char **argv)
1542 {
1543         char *dname;
1544         int   index;
1545         int   result = 0;
1546
1547         if (argc <= 1) {
1548                 fprintf(stderr, "error: %s: missing dirname\n",
1549                         argv[0]);
1550                 return CMD_HELP;
1551         }
1552
1553         index = 1;
1554         dname = argv[index];
1555         while (dname != NULL) {
1556                 result = llapi_direntry_remove(dname);
1557                 if (result) {
1558                         fprintf(stderr, "error: %s: remove dir entry '%s' "
1559                                 "failed\n", argv[0], dname);
1560                         break;
1561                 }
1562                 dname = argv[++index];
1563         }
1564         return result;
1565 }
1566
1567 static int lfs_osts(int argc, char **argv)
1568 {
1569         return lfs_tgts(argc, argv);
1570 }
1571
1572 static int lfs_mdts(int argc, char **argv)
1573 {
1574         return lfs_tgts(argc, argv);
1575 }
1576
1577 #define COOK(value)                                                     \
1578 ({                                                                      \
1579         int radix = 0;                                                  \
1580         while (value > 1024) {                                          \
1581                 value /= 1024;                                          \
1582                 radix++;                                                \
1583         }                                                               \
1584         radix;                                                          \
1585 })
1586 #define UUF     "%-20s"
1587 #define CSF     "%11s"
1588 #define CDF     "%11llu"
1589 #define HDF     "%8.1f%c"
1590 #define RSF     "%4s"
1591 #define RDF     "%3d%%"
1592
1593 static int showdf(char *mntdir, struct obd_statfs *stat,
1594                   char *uuid, int ishow, int cooked,
1595                   char *type, int index, int rc)
1596 {
1597         long long avail, used, total;
1598         double ratio = 0;
1599         char *suffix = "KMGTPEZY";
1600         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
1601         char tbuf[20], ubuf[20], abuf[20], rbuf[20];
1602
1603         if (!uuid || !stat)
1604                 return -EINVAL;
1605
1606         switch (rc) {
1607         case 0:
1608                 if (ishow) {
1609                         avail = stat->os_ffree;
1610                         used = stat->os_files - stat->os_ffree;
1611                         total = stat->os_files;
1612                 } else {
1613                         int shift = cooked ? 0 : 10;
1614
1615                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
1616                         used  = ((stat->os_blocks - stat->os_bfree) *
1617                                  stat->os_bsize) >> shift;
1618                         total = (stat->os_blocks * stat->os_bsize) >> shift;
1619                 }
1620
1621                 if ((used + avail) > 0)
1622                         ratio = (double)used / (double)(used + avail);
1623
1624                 if (cooked) {
1625                         int i;
1626                         double cook_val;
1627
1628                         cook_val = (double)total;
1629                         i = COOK(cook_val);
1630                         if (i > 0)
1631                                 sprintf(tbuf, HDF, cook_val, suffix[i - 1]);
1632                         else
1633                                 sprintf(tbuf, CDF, total);
1634
1635                         cook_val = (double)used;
1636                         i = COOK(cook_val);
1637                         if (i > 0)
1638                                 sprintf(ubuf, HDF, cook_val, suffix[i - 1]);
1639                         else
1640                                 sprintf(ubuf, CDF, used);
1641
1642                         cook_val = (double)avail;
1643                         i = COOK(cook_val);
1644                         if (i > 0)
1645                                 sprintf(abuf, HDF, cook_val, suffix[i - 1]);
1646                         else
1647                                 sprintf(abuf, CDF, avail);
1648                 } else {
1649                         sprintf(tbuf, CDF, total);
1650                         sprintf(ubuf, CDF, used);
1651                         sprintf(abuf, CDF, avail);
1652                 }
1653
1654                 sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
1655                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
1656                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
1657                 if (type)
1658                         printf("[%s:%d]\n", type, index);
1659                 else
1660                         printf("\n");
1661
1662                 break;
1663         case -ENODATA:
1664                 printf(UUF": inactive device\n", uuid);
1665                 break;
1666         default:
1667                 printf(UUF": %s\n", uuid, strerror(-rc));
1668                 break;
1669         }
1670
1671         return 0;
1672 }
1673
1674 struct ll_stat_type {
1675         int   st_op;
1676         char *st_name;
1677 };
1678
1679 static int mntdf(char *mntdir, char *fsname, char *pool, int ishow,
1680                 int cooked, int lazy)
1681 {
1682         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
1683         struct obd_uuid uuid_buf;
1684         char *poolname = NULL;
1685         struct ll_stat_type types[] = { { LL_STATFS_LMV, "MDT" },
1686                                         { LL_STATFS_LOV, "OST" },
1687                                         { 0, NULL } };
1688         struct ll_stat_type *tp;
1689         __u32 index;
1690         __u32 type;
1691         int rc;
1692
1693         if (pool) {
1694                 poolname = strchr(pool, '.');
1695                 if (poolname != NULL) {
1696                         if (strncmp(fsname, pool, strlen(fsname))) {
1697                                 fprintf(stderr, "filesystem name incorrect\n");
1698                                 return -ENODEV;
1699                         }
1700                         poolname++;
1701                 } else
1702                         poolname = pool;
1703         }
1704
1705         if (ishow)
1706                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1707                        "UUID", "Inodes", "IUsed", "IFree",
1708                        "IUse%", "Mounted on");
1709         else
1710                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1711                        "UUID", cooked ? "bytes" : "1K-blocks",
1712                        "Used", "Available", "Use%", "Mounted on");
1713
1714         for (tp = types; tp->st_name != NULL; tp++) {
1715                 for (index = 0; ; index++) {
1716                         memset(&stat_buf, 0, sizeof(struct obd_statfs));
1717                         memset(&uuid_buf, 0, sizeof(struct obd_uuid));
1718                         type = lazy ? tp->st_op | LL_STATFS_NODELAY : tp->st_op;
1719                         rc = llapi_obd_statfs(mntdir, type, index,
1720                                               &stat_buf, &uuid_buf);
1721                         if (rc == -ENODEV)
1722                                 break;
1723
1724                         if (poolname && tp->st_op == LL_STATFS_LOV &&
1725                             llapi_search_ost(fsname, poolname,
1726                                              obd_uuid2str(&uuid_buf)) != 1)
1727                                 continue;
1728
1729                         /* the llapi_obd_statfs() call may have returned with
1730                          * an error, but if it filled in uuid_buf we will at
1731                          * lease use that to print out a message for that OBD.
1732                          * If we didn't get anything in the uuid_buf, then fill
1733                          * it in so that we can print an error message. */
1734                         if (uuid_buf.uuid[0] == '\0')
1735                                 sprintf(uuid_buf.uuid, "%s%04x",
1736                                         tp->st_name, index);
1737                         showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
1738                                ishow, cooked, tp->st_name, index, rc);
1739
1740                         if (rc == 0) {
1741                                 if (tp->st_op == LL_STATFS_LMV) {
1742                                         sum.os_ffree += stat_buf.os_ffree;
1743                                         sum.os_files += stat_buf.os_files;
1744                                 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
1745                                         sum.os_blocks += stat_buf.os_blocks *
1746                                                 stat_buf.os_bsize;
1747                                         sum.os_bfree  += stat_buf.os_bfree *
1748                                                 stat_buf.os_bsize;
1749                                         sum.os_bavail += stat_buf.os_bavail *
1750                                                 stat_buf.os_bsize;
1751                                 }
1752                         } else if (rc == -EINVAL || rc == -EFAULT) {
1753                                 break;
1754                         }
1755                 }
1756         }
1757
1758         printf("\n");
1759         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0,0);
1760         printf("\n");
1761         return 0;
1762 }
1763
1764 static int lfs_df(int argc, char **argv)
1765 {
1766         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1767         int ishow = 0, cooked = 0;
1768         int lazy = 0;
1769         int c, rc = 0, index = 0;
1770         char fsname[PATH_MAX] = "", *pool_name = NULL;
1771         struct option long_opts[] = {
1772                 {"pool", required_argument, 0, 'p'},
1773                 {"lazy", 0, 0, 'l'},
1774                 {0, 0, 0, 0}
1775         };
1776
1777         optind = 0;
1778         while ((c = getopt_long(argc, argv, "hilp:", long_opts, NULL)) != -1) {
1779                 switch (c) {
1780                 case 'i':
1781                         ishow = 1;
1782                         break;
1783                 case 'h':
1784                         cooked = 1;
1785                         break;
1786                 case 'l':
1787                         lazy = 1;
1788                         break;
1789                 case 'p':
1790                         pool_name = optarg;
1791                         break;
1792                 default:
1793                         return CMD_HELP;
1794                 }
1795         }
1796         if (optind < argc && !realpath(argv[optind], path)) {
1797                 rc = -errno;
1798                 fprintf(stderr, "error: invalid path '%s': %s\n",
1799                         argv[optind], strerror(-rc));
1800                 return rc;
1801         }
1802
1803         while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1804                 /* Check if we have a mount point */
1805                 if (mntdir[0] == '\0')
1806                         continue;
1807
1808                 rc = mntdf(mntdir, fsname, pool_name, ishow, cooked, lazy);
1809                 if (rc || path[0] != '\0')
1810                         break;
1811                 fsname[0] = '\0'; /* avoid matching in next loop */
1812                 mntdir[0] = '\0'; /* avoid matching in next loop */
1813         }
1814
1815         return rc;
1816 }
1817
1818 static int lfs_getname(int argc, char **argv)
1819 {
1820         char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
1821         int rc = 0, index = 0, c;
1822         char buf[sizeof(struct obd_uuid)];
1823
1824         optind = 0;
1825         while ((c = getopt(argc, argv, "h")) != -1)
1826                 return CMD_HELP;
1827
1828         if (optind == argc) { /* no paths specified, get all paths. */
1829                 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1830                         rc = llapi_getname(mntdir, buf, sizeof(buf));
1831                         if (rc < 0) {
1832                                 fprintf(stderr,
1833                                         "cannot get name for `%s': %s\n",
1834                                         mntdir, strerror(-rc));
1835                                 break;
1836                         }
1837
1838                         printf("%s %s\n", buf, mntdir);
1839
1840                         path[0] = fsname[0] = mntdir[0] = 0;
1841                 }
1842         } else { /* paths specified, only attempt to search these. */
1843                 for (; optind < argc; optind++) {
1844                         rc = llapi_getname(argv[optind], buf, sizeof(buf));
1845                         if (rc < 0) {
1846                                 fprintf(stderr,
1847                                         "cannot get name for `%s': %s\n",
1848                                         argv[optind], strerror(-rc));
1849                                 break;
1850                         }
1851
1852                         printf("%s %s\n", buf, argv[optind]);
1853                 }
1854         }
1855         return rc;
1856 }
1857
1858 static int lfs_check(int argc, char **argv)
1859 {
1860         int rc;
1861         char mntdir[PATH_MAX] = {'\0'};
1862         int num_types = 1;
1863         char *obd_types[2];
1864         char obd_type1[4];
1865         char obd_type2[4];
1866
1867         if (argc != 2)
1868                 return CMD_HELP;
1869
1870         obd_types[0] = obd_type1;
1871         obd_types[1] = obd_type2;
1872
1873         if (strcmp(argv[1], "osts") == 0) {
1874                 strcpy(obd_types[0], "osc");
1875         } else if (strcmp(argv[1], "mds") == 0) {
1876                 strcpy(obd_types[0], "mdc");
1877         } else if (strcmp(argv[1], "servers") == 0) {
1878                 num_types = 2;
1879                 strcpy(obd_types[0], "osc");
1880                 strcpy(obd_types[1], "mdc");
1881         } else {
1882                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
1883                                 argv[0], argv[1]);
1884                         return CMD_HELP;
1885         }
1886
1887         rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
1888         if (rc < 0 || mntdir[0] == '\0') {
1889                 fprintf(stderr, "No suitable Lustre mount found\n");
1890                 return rc;
1891         }
1892
1893         rc = llapi_target_iterate(num_types, obd_types,
1894                                   mntdir, llapi_ping_target);
1895
1896         if (rc)
1897                 fprintf(stderr, "error: %s: %s status failed\n",
1898                                 argv[0],argv[1]);
1899
1900         return rc;
1901
1902 }
1903
1904 static int lfs_join(int argc, char **argv)
1905 {
1906         fprintf(stderr, "join two lustre files into one.\n"
1907                         "obsolete, HEAD does not support it anymore.\n");
1908         return 0;
1909 }
1910
1911 #ifdef HAVE_SYS_QUOTA_H
1912 static int lfs_quotacheck(int argc, char **argv)
1913 {
1914         int c, check_type = 0;
1915         char *mnt;
1916         struct if_quotacheck qchk;
1917         struct if_quotactl qctl;
1918         char *obd_type = (char *)qchk.obd_type;
1919         int rc;
1920
1921         memset(&qchk, 0, sizeof(qchk));
1922
1923         optind = 0;
1924         while ((c = getopt(argc, argv, "gu")) != -1) {
1925                 switch (c) {
1926                 case 'u':
1927                         check_type |= 0x01;
1928                         break;
1929                 case 'g':
1930                         check_type |= 0x02;
1931                         break;
1932                 default:
1933                         fprintf(stderr, "error: %s: option '-%c' "
1934                                         "unrecognized\n", argv[0], c);
1935                         return CMD_HELP;
1936                 }
1937         }
1938
1939         if (check_type)
1940                 check_type--;
1941         else    /* do quotacheck for both user & group quota by default */
1942                 check_type = 0x02;
1943
1944         if (argc == optind)
1945                 return CMD_HELP;
1946
1947         mnt = argv[optind];
1948
1949         rc = llapi_quotacheck(mnt, check_type);
1950         if (rc == -EOPNOTSUPP) {
1951                 fprintf(stderr, "error: quotacheck not supported by the quota "
1952                         "master.\nPlease note that quotacheck is deprecated as "
1953                         "of lustre 2.4.0 since space accounting is always "
1954                         "enabled.\nFilesystems not formatted with 2.4 utils or "
1955                         "beyond can be upgraded with tunefs.lustre --quota.\n");
1956                 return rc;
1957         } else if (rc) {
1958                 fprintf(stderr, "quotacheck failed: %s\n", strerror(-rc));
1959                 return rc;
1960         }
1961
1962         rc = llapi_poll_quotacheck(mnt, &qchk);
1963         if (rc) {
1964                 if (*obd_type)
1965                         fprintf(stderr, "%s %s ", obd_type,
1966                                 obd_uuid2str(&qchk.obd_uuid));
1967                 fprintf(stderr, "quota check failed: %s\n", strerror(-rc));
1968                 return rc;
1969         }
1970
1971         memset(&qctl, 0, sizeof(qctl));
1972         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1973         qctl.qc_type = check_type;
1974         rc = llapi_quotactl(mnt, &qctl);
1975         if (rc && rc != -EALREADY) {
1976                 if (*obd_type)
1977                         fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
1978                                 obd_uuid2str(&qctl.obd_uuid));
1979                 fprintf(stderr, "%s turn on quota failed: %s\n",
1980                         argv[0], strerror(-rc));
1981                 return rc;
1982         }
1983
1984         return 0;
1985 }
1986
1987 static int lfs_quotaon(int argc, char **argv)
1988 {
1989         int c;
1990         char *mnt;
1991         struct if_quotactl qctl;
1992         char *obd_type = (char *)qctl.obd_type;
1993         int rc;
1994
1995         memset(&qctl, 0, sizeof(qctl));
1996         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
1997
1998         optind = 0;
1999         while ((c = getopt(argc, argv, "fgu")) != -1) {
2000                 switch (c) {
2001                 case 'u':
2002                         qctl.qc_type |= 0x01;
2003                         break;
2004                 case 'g':
2005                         qctl.qc_type |= 0x02;
2006                         break;
2007                 case 'f':
2008                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2009                         break;
2010                 default:
2011                         fprintf(stderr, "error: %s: option '-%c' "
2012                                         "unrecognized\n", argv[0], c);
2013                         return CMD_HELP;
2014                 }
2015         }
2016
2017         if (qctl.qc_type)
2018                 qctl.qc_type--;
2019         else /* by default, enable quota for both user & group */
2020                 qctl.qc_type = 0x02;
2021
2022         if (argc == optind)
2023                 return CMD_HELP;
2024
2025         mnt = argv[optind];
2026
2027         rc = llapi_quotactl(mnt, &qctl);
2028         if (rc) {
2029                 if (rc == -EOPNOTSUPP) {
2030                         fprintf(stderr, "error: quotaon not supported by the "
2031                                 "quota master.\nPlease note that quotaon/off is"
2032                                 " deprecated as of lustre 2.4.0.\nQuota "
2033                                 "enforcement should now be enabled on the MGS "
2034                                 "via:\nmgs# lctl conf_param ${FSNAME}.quota."
2035                                 "<ost|mdt>=<u|g|ug>\n(ost for block quota, mdt "
2036                                 "for inode quota, u for user and g for group"
2037                                 "\n");
2038                 } else if (rc == -EALREADY) {
2039                         rc = 0;
2040                 } else if (rc == -ENOENT) {
2041                         fprintf(stderr, "error: cannot find quota database, "
2042                                         "make sure you have run quotacheck\n");
2043                 } else {
2044                         if (*obd_type)
2045                                 fprintf(stderr, "%s %s ", obd_type,
2046                                         obd_uuid2str(&qctl.obd_uuid));
2047                         fprintf(stderr, "%s failed: %s\n", argv[0],
2048                                 strerror(-rc));
2049                 }
2050         }
2051
2052         return rc;
2053 }
2054
2055 static int lfs_quotaoff(int argc, char **argv)
2056 {
2057         int c;
2058         char *mnt;
2059         struct if_quotactl qctl;
2060         char *obd_type = (char *)qctl.obd_type;
2061         int rc;
2062
2063         memset(&qctl, 0, sizeof(qctl));
2064         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2065
2066         optind = 0;
2067         while ((c = getopt(argc, argv, "gu")) != -1) {
2068                 switch (c) {
2069                 case 'u':
2070                         qctl.qc_type |= 0x01;
2071                         break;
2072                 case 'g':
2073                         qctl.qc_type |= 0x02;
2074                         break;
2075                 default:
2076                         fprintf(stderr, "error: %s: option '-%c' "
2077                                         "unrecognized\n", argv[0], c);
2078                         return CMD_HELP;
2079                 }
2080         }
2081
2082         if (qctl.qc_type)
2083                 qctl.qc_type--;
2084         else /* by default, disable quota for both user & group */
2085                 qctl.qc_type = 0x02;
2086
2087         if (argc == optind)
2088                 return CMD_HELP;
2089
2090         mnt = argv[optind];
2091
2092         rc = llapi_quotactl(mnt, &qctl);
2093         if (rc) {
2094                 if (rc == -EOPNOTSUPP) {
2095                         fprintf(stderr, "error: quotaoff not supported by the "
2096                                 "quota master.\nPlease note that quotaon/off is"
2097                                 " deprecated as of lustre 2.4.0.\nQuota "
2098                                 "enforcement can be disabled on the MGS via:\n"
2099                                 "mgs# lctl conf_param ${FSNAME}.quota.<ost|mdt>"
2100                                 "=\"\"\n");
2101                 } else if (rc == -EALREADY) {
2102                         rc = 0;
2103                 } else {
2104                         if (*obd_type)
2105                                 fprintf(stderr, "%s %s ", obd_type,
2106                                         obd_uuid2str(&qctl.obd_uuid));
2107                         fprintf(stderr, "quotaoff failed: %s\n",
2108                                 strerror(-rc));
2109                 }
2110         }
2111
2112         return rc;
2113 }
2114
2115 #define ARG2INT(nr, str, msg)                                           \
2116 do {                                                                    \
2117         char *endp;                                                     \
2118         nr = strtol(str, &endp, 0);                                     \
2119         if (*endp) {                                                    \
2120                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
2121                 return CMD_HELP;                                        \
2122         }                                                               \
2123 } while (0)
2124
2125 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
2126
2127 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
2128  * returns the value or ULONG_MAX on integer overflow or incorrect format
2129  * Notes:
2130  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
2131  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
2132  *        3. empty integer value is interpreted as 0
2133  */
2134 static unsigned long str2sec(const char* timestr)
2135 {
2136         const char spec[] = "smhdw";
2137         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2138         unsigned long val = 0;
2139         char *tail;
2140
2141         if (strpbrk(timestr, spec) == NULL) {
2142                 /* no specifiers inside the time string,
2143                    should treat it as an integer value */
2144                 val = strtoul(timestr, &tail, 10);
2145                 return *tail ? ULONG_MAX : val;
2146         }
2147
2148         /* format string is XXwXXdXXhXXmXXs */
2149         while (*timestr) {
2150                 unsigned long v;
2151                 int ind;
2152                 char* ptr;
2153
2154                 v = strtoul(timestr, &tail, 10);
2155                 if (v == ULONG_MAX || *tail == '\0')
2156                         /* value too large (ULONG_MAX or more)
2157                            or missing specifier */
2158                         goto error;
2159
2160                 ptr = strchr(spec, *tail);
2161                 if (ptr == NULL)
2162                         /* unknown specifier */
2163                         goto error;
2164
2165                 ind = ptr - spec;
2166
2167                 /* check if product will overflow the type */
2168                 if (!(v < ULONG_MAX / mult[ind]))
2169                         goto error;
2170
2171                 ADD_OVERFLOW(val, mult[ind] * v);
2172                 if (val == ULONG_MAX)
2173                         goto error;
2174
2175                 timestr = tail + 1;
2176         }
2177
2178         return val;
2179
2180 error:
2181         return ULONG_MAX;
2182 }
2183
2184 #define ARG2ULL(nr, str, def_units)                                     \
2185 do {                                                                    \
2186         unsigned long long limit, units = def_units;                    \
2187         int rc;                                                         \
2188                                                                         \
2189         rc = llapi_parse_size(str, &limit, &units, 1);                  \
2190         if (rc < 0) {                                                   \
2191                 fprintf(stderr, "error: bad limit value %s\n", str);    \
2192                 return CMD_HELP;                                        \
2193         }                                                               \
2194         nr = limit;                                                     \
2195 } while (0)
2196
2197 static inline int has_times_option(int argc, char **argv)
2198 {
2199         int i;
2200
2201         for (i = 1; i < argc; i++)
2202                 if (!strcmp(argv[i], "-t"))
2203                         return 1;
2204
2205         return 0;
2206 }
2207
2208 int lfs_setquota_times(int argc, char **argv)
2209 {
2210         int c, rc;
2211         struct if_quotactl qctl;
2212         char *mnt, *obd_type = (char *)qctl.obd_type;
2213         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2214         struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
2215         struct option long_opts[] = {
2216                 {"block-grace",     required_argument, 0, 'b'},
2217                 {"group",           no_argument,       0, 'g'},
2218                 {"inode-grace",     required_argument, 0, 'i'},
2219                 {"times",           no_argument,       0, 't'},
2220                 {"user",            no_argument,       0, 'u'},
2221                 {0, 0, 0, 0}
2222         };
2223
2224         memset(&qctl, 0, sizeof(qctl));
2225         qctl.qc_cmd  = LUSTRE_Q_SETINFO;
2226         qctl.qc_type = UGQUOTA;
2227
2228         optind = 0;
2229         while ((c = getopt_long(argc, argv, "b:gi:tu", long_opts, NULL)) != -1) {
2230                 switch (c) {
2231                 case 'u':
2232                 case 'g':
2233                         if (qctl.qc_type != UGQUOTA) {
2234                                 fprintf(stderr, "error: -u and -g can't be used "
2235                                                 "more than once\n");
2236                                 return CMD_HELP;
2237                         }
2238                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2239                         break;
2240                 case 'b':
2241                         if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
2242                                 fprintf(stderr, "error: bad block-grace: %s\n",
2243                                         optarg);
2244                                 return CMD_HELP;
2245                         }
2246                         dqb->dqb_valid |= QIF_BTIME;
2247                         break;
2248                 case 'i':
2249                         if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
2250                                 fprintf(stderr, "error: bad inode-grace: %s\n",
2251                                         optarg);
2252                                 return CMD_HELP;
2253                         }
2254                         dqb->dqb_valid |= QIF_ITIME;
2255                         break;
2256                 case 't': /* Yes, of course! */
2257                         break;
2258                 default: /* getopt prints error message for us when opterr != 0 */
2259                         return CMD_HELP;
2260                 }
2261         }
2262
2263         if (qctl.qc_type == UGQUOTA) {
2264                 fprintf(stderr, "error: neither -u nor -g specified\n");
2265                 return CMD_HELP;
2266         }
2267
2268         if (optind != argc - 1) {
2269                 fprintf(stderr, "error: unexpected parameters encountered\n");
2270                 return CMD_HELP;
2271         }
2272
2273         mnt = argv[optind];
2274         rc = llapi_quotactl(mnt, &qctl);
2275         if (rc) {
2276                 if (*obd_type)
2277                         fprintf(stderr, "%s %s ", obd_type,
2278                                 obd_uuid2str(&qctl.obd_uuid));
2279                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2280                 return rc;
2281         }
2282
2283         return 0;
2284 }
2285
2286 #define BSLIMIT (1 << 0)
2287 #define BHLIMIT (1 << 1)
2288 #define ISLIMIT (1 << 2)
2289 #define IHLIMIT (1 << 3)
2290
2291 int lfs_setquota(int argc, char **argv)
2292 {
2293         int c, rc;
2294         struct if_quotactl qctl;
2295         char *mnt, *obd_type = (char *)qctl.obd_type;
2296         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2297         struct option long_opts[] = {
2298                 {"block-softlimit", required_argument, 0, 'b'},
2299                 {"block-hardlimit", required_argument, 0, 'B'},
2300                 {"group",           required_argument, 0, 'g'},
2301                 {"inode-softlimit", required_argument, 0, 'i'},
2302                 {"inode-hardlimit", required_argument, 0, 'I'},
2303                 {"user",            required_argument, 0, 'u'},
2304                 {0, 0, 0, 0}
2305         };
2306         unsigned limit_mask = 0;
2307         char *endptr;
2308
2309         if (has_times_option(argc, argv))
2310                 return lfs_setquota_times(argc, argv);
2311
2312         memset(&qctl, 0, sizeof(qctl));
2313         qctl.qc_cmd  = LUSTRE_Q_SETQUOTA;
2314         qctl.qc_type = UGQUOTA; /* UGQUOTA makes no sense for setquota,
2315                                  * so it can be used as a marker that qc_type
2316                                  * isn't reinitialized from command line */
2317
2318         optind = 0;
2319         while ((c = getopt_long(argc, argv, "b:B:g:i:I:u:", long_opts, NULL)) != -1) {
2320                 switch (c) {
2321                 case 'u':
2322                 case 'g':
2323                         if (qctl.qc_type != UGQUOTA) {
2324                                 fprintf(stderr, "error: -u and -g can't be used"
2325                                                 " more than once\n");
2326                                 return CMD_HELP;
2327                         }
2328                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2329                         rc = name2id(&qctl.qc_id, optarg,
2330                                      (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2331                         if (rc) {
2332                                 qctl.qc_id = strtoul(optarg, &endptr, 10);
2333                                 if (*endptr != '\0') {
2334                                         fprintf(stderr, "error: can't find id "
2335                                                 "for name %s\n", optarg);
2336                                         return CMD_HELP;
2337                                 }
2338                         }
2339                         break;
2340                 case 'b':
2341                         ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
2342                         dqb->dqb_bsoftlimit >>= 10;
2343                         limit_mask |= BSLIMIT;
2344                         if (dqb->dqb_bsoftlimit &&
2345                             dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
2346                                 fprintf(stderr, "warning: block softlimit is "
2347                                         "smaller than the miminal qunit size, "
2348                                         "please see the help of setquota or "
2349                                         "Lustre manual for details.\n");
2350                         break;
2351                 case 'B':
2352                         ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
2353                         dqb->dqb_bhardlimit >>= 10;
2354                         limit_mask |= BHLIMIT;
2355                         if (dqb->dqb_bhardlimit &&
2356                             dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
2357                                 fprintf(stderr, "warning: block hardlimit is "
2358                                         "smaller than the miminal qunit size, "
2359                                         "please see the help of setquota or "
2360                                         "Lustre manual for details.\n");
2361                         break;
2362                 case 'i':
2363                         ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
2364                         limit_mask |= ISLIMIT;
2365                         if (dqb->dqb_isoftlimit &&
2366                             dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
2367                                 fprintf(stderr, "warning: inode softlimit is "
2368                                         "smaller than the miminal qunit size, "
2369                                         "please see the help of setquota or "
2370                                         "Lustre manual for details.\n");
2371                         break;
2372                 case 'I':
2373                         ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
2374                         limit_mask |= IHLIMIT;
2375                         if (dqb->dqb_ihardlimit &&
2376                             dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
2377                                 fprintf(stderr, "warning: inode hardlimit is "
2378                                         "smaller than the miminal qunit size, "
2379                                         "please see the help of setquota or "
2380                                         "Lustre manual for details.\n");
2381                         break;
2382                 default: /* getopt prints error message for us when opterr != 0 */
2383                         return CMD_HELP;
2384                 }
2385         }
2386
2387         if (qctl.qc_type == UGQUOTA) {
2388                 fprintf(stderr, "error: neither -u nor -g was specified\n");
2389                 return CMD_HELP;
2390         }
2391
2392         if (limit_mask == 0) {
2393                 fprintf(stderr, "error: at least one limit must be specified\n");
2394                 return CMD_HELP;
2395         }
2396
2397         if (optind != argc - 1) {
2398                 fprintf(stderr, "error: unexpected parameters encountered\n");
2399                 return CMD_HELP;
2400         }
2401
2402         mnt = argv[optind];
2403
2404         if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
2405             (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
2406                 /* sigh, we can't just set blimits/ilimits */
2407                 struct if_quotactl tmp_qctl = {.qc_cmd  = LUSTRE_Q_GETQUOTA,
2408                                                .qc_type = qctl.qc_type,
2409                                                .qc_id   = qctl.qc_id};
2410
2411                 rc = llapi_quotactl(mnt, &tmp_qctl);
2412                 if (rc < 0) {
2413                         fprintf(stderr, "error: setquota failed while retrieving"
2414                                         " current quota settings (%s)\n",
2415                                         strerror(-rc));
2416                         return rc;
2417                 }
2418
2419                 if (!(limit_mask & BHLIMIT))
2420                         dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
2421                 if (!(limit_mask & BSLIMIT))
2422                         dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
2423                 if (!(limit_mask & IHLIMIT))
2424                         dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
2425                 if (!(limit_mask & ISLIMIT))
2426                         dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
2427
2428                 /* Keep grace times if we have got no softlimit arguments */
2429                 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
2430                         dqb->dqb_valid |= QIF_BTIME;
2431                         dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
2432                 }
2433
2434                 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
2435                         dqb->dqb_valid |= QIF_ITIME;
2436                         dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
2437                 }
2438         }
2439
2440         dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
2441         dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
2442
2443         rc = llapi_quotactl(mnt, &qctl);
2444         if (rc) {
2445                 if (*obd_type)
2446                         fprintf(stderr, "%s %s ", obd_type,
2447                                 obd_uuid2str(&qctl.obd_uuid));
2448                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2449                 return rc;
2450         }
2451
2452         return 0;
2453 }
2454
2455 static inline char *type2name(int check_type)
2456 {
2457         if (check_type == USRQUOTA)
2458                 return "user";
2459         else if (check_type == GRPQUOTA)
2460                 return "group";
2461         else
2462                 return "unknown";
2463 }
2464
2465 /* Converts seconds value into format string
2466  * result is returned in buf
2467  * Notes:
2468  *        1. result is in descenting order: 1w2d3h4m5s
2469  *        2. zero fields are not filled (except for p. 3): 5d1s
2470  *        3. zero seconds value is presented as "0s"
2471  */
2472 static char * __sec2str(time_t seconds, char *buf)
2473 {
2474         const char spec[] = "smhdw";
2475         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2476         unsigned long c;
2477         char *tail = buf;
2478         int i;
2479
2480         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
2481                 c = seconds / mult[i];
2482
2483                 if (c > 0 || (i == 0 && buf == tail))
2484                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
2485
2486                 seconds %= mult[i];
2487         }
2488
2489         return tail;
2490 }
2491
2492 static void sec2str(time_t seconds, char *buf, int rc)
2493 {
2494         char *tail = buf;
2495
2496         if (rc)
2497                 *tail++ = '[';
2498
2499         tail = __sec2str(seconds, tail);
2500
2501         if (rc && tail - buf < 39) {
2502                 *tail++ = ']';
2503                 *tail++ = 0;
2504         }
2505 }
2506
2507 static void diff2str(time_t seconds, char *buf, time_t now)
2508 {
2509
2510         buf[0] = 0;
2511         if (!seconds)
2512                 return;
2513         if (seconds <= now) {
2514                 strcpy(buf, "none");
2515                 return;
2516         }
2517         __sec2str(seconds - now, buf);
2518 }
2519
2520 static void print_quota_title(char *name, struct if_quotactl *qctl)
2521 {
2522         printf("Disk quotas for %s %s (%cid %u):\n",
2523                type2name(qctl->qc_type), name,
2524                *type2name(qctl->qc_type), qctl->qc_id);
2525         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
2526                "Filesystem",
2527                "kbytes", "quota", "limit", "grace",
2528                "files", "quota", "limit", "grace");
2529 }
2530
2531 static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
2532 {
2533         time_t now;
2534
2535         time(&now);
2536
2537         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
2538                 int bover = 0, iover = 0;
2539                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
2540
2541                 if (dqb->dqb_bhardlimit &&
2542                     toqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
2543                         bover = 1;
2544                 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
2545                         if (dqb->dqb_btime > now) {
2546                                 bover = 2;
2547                         } else {
2548                                 bover = 3;
2549                         }
2550                 }
2551
2552                 if (dqb->dqb_ihardlimit &&
2553                     dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
2554                         iover = 1;
2555                 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
2556                         if (dqb->dqb_itime > now) {
2557                                 iover = 2;
2558                         } else {
2559                                 iover = 3;
2560                         }
2561                 }
2562
2563 #if 0           /* XXX: always print quotas even when no usages */
2564                 if (dqb->dqb_curspace || dqb->dqb_curinodes)
2565 #endif
2566                 {
2567                         char numbuf[3][32];
2568                         char timebuf[40];
2569
2570                         if (strlen(mnt) > 15)
2571                                 printf("%s\n%15s", mnt, "");
2572                         else
2573                                 printf("%15s", mnt);
2574
2575                         if (bover)
2576                                 diff2str(dqb->dqb_btime, timebuf, now);
2577                         if (rc == -EREMOTEIO)
2578                                 sprintf(numbuf[0], LPU64"*",
2579                                         toqb(dqb->dqb_curspace));
2580                         else
2581                                 sprintf(numbuf[0],
2582                                         (dqb->dqb_valid & QIF_SPACE) ?
2583                                         LPU64 : "["LPU64"]",
2584                                         toqb(dqb->dqb_curspace));
2585                         if (type == QC_GENERAL)
2586                                 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS)
2587                                         ? LPU64 : "["LPU64"]",
2588                                         dqb->dqb_bsoftlimit);
2589                         else
2590                                 sprintf(numbuf[1], "%s", "-");
2591                         sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS)
2592                                 ? LPU64 : "["LPU64"]", dqb->dqb_bhardlimit);
2593                         printf(" %7s%c %6s %7s %7s",
2594                                numbuf[0], bover ? '*' : ' ', numbuf[1],
2595                                numbuf[2], bover > 1 ? timebuf : "-");
2596
2597                         if (iover)
2598                                 diff2str(dqb->dqb_itime, timebuf, now);
2599
2600                         sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
2601                                 LPU64 : "["LPU64"]", dqb->dqb_curinodes);
2602                        if (type == QC_GENERAL)
2603                                 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS)
2604                                         ? LPU64 : "["LPU64"]",
2605                                         dqb->dqb_isoftlimit);
2606                         else
2607                                 sprintf(numbuf[1], "%s", "-");
2608                         sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
2609                                 LPU64 : "["LPU64"]", dqb->dqb_ihardlimit);
2610                         if (type != QC_OSTIDX)
2611                                 printf(" %7s%c %6s %7s %7s",
2612                                        numbuf[0], iover ? '*' : ' ', numbuf[1],
2613                                        numbuf[2], iover > 1 ? timebuf : "-");
2614                         else
2615                                 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
2616                         printf("\n");
2617                 }
2618         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
2619                    qctl->qc_cmd == Q_GETOINFO) {
2620                 char bgtimebuf[40];
2621                 char igtimebuf[40];
2622
2623                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
2624                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
2625                 printf("Block grace time: %s; Inode grace time: %s\n",
2626                        bgtimebuf, igtimebuf);
2627         }
2628 }
2629
2630 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt)
2631 {
2632         int rc = 0, rc1 = 0, count = 0;
2633         __u32 valid = qctl->qc_valid;
2634
2635         rc = llapi_get_obd_count(mnt, &count, is_mdt);
2636         if (rc) {
2637                 fprintf(stderr, "can not get %s count: %s\n",
2638                         is_mdt ? "mdt": "ost", strerror(-rc));
2639                 return rc;
2640         }
2641
2642         for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
2643                 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
2644                 rc = llapi_quotactl(mnt, qctl);
2645                 if (rc) {
2646                         /* It is remote client case. */
2647                         if (-rc == EOPNOTSUPP) {
2648                                 rc = 0;
2649                                 goto out;
2650                         }
2651
2652                         if (!rc1)
2653                                 rc1 = rc;
2654                         fprintf(stderr, "quotactl %s%d failed.\n",
2655                                 is_mdt ? "mdt": "ost", qctl->qc_idx);
2656                         continue;
2657                 }
2658
2659                 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl, qctl->qc_valid, 0);
2660         }
2661
2662 out:
2663         qctl->qc_valid = valid;
2664         return rc ? : rc1;
2665 }
2666
2667 static int lfs_quota(int argc, char **argv)
2668 {
2669         int c;
2670         char *mnt, *name = NULL;
2671         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
2672                                     .qc_type = UGQUOTA };
2673         char *obd_type = (char *)qctl.obd_type;
2674         char *obd_uuid = (char *)qctl.obd_uuid.uuid;
2675         int rc, rc1 = 0, rc2 = 0, rc3 = 0,
2676             verbose = 0, pass = 0, quiet = 0, inacc;
2677         char *endptr;
2678         __u32 valid = QC_GENERAL, idx = 0;
2679
2680         optind = 0;
2681         while ((c = getopt(argc, argv, "gi:I:o:qtuv")) != -1) {
2682                 switch (c) {
2683                 case 'u':
2684                         if (qctl.qc_type != UGQUOTA) {
2685                                 fprintf(stderr, "error: use either -u or -g\n");
2686                                 return CMD_HELP;
2687                         }
2688                         qctl.qc_type = USRQUOTA;
2689                         break;
2690                 case 'g':
2691                         if (qctl.qc_type != UGQUOTA) {
2692                                 fprintf(stderr, "error: use either -u or -g\n");
2693                                 return CMD_HELP;
2694                         }
2695                         qctl.qc_type = GRPQUOTA;
2696                         break;
2697                 case 't':
2698                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
2699                         break;
2700                 case 'o':
2701                         valid = qctl.qc_valid = QC_UUID;
2702                         strncpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
2703                         break;
2704                 case 'i':
2705                         valid = qctl.qc_valid = QC_MDTIDX;
2706                         idx = qctl.qc_idx = atoi(optarg);
2707                         break;
2708                 case 'I':
2709                         valid = qctl.qc_valid = QC_OSTIDX;
2710                         idx = qctl.qc_idx = atoi(optarg);
2711                         break;
2712                 case 'v':
2713                         verbose = 1;
2714                         break;
2715                 case 'q':
2716                         quiet = 1;
2717                         break;
2718                 default:
2719                         fprintf(stderr, "error: %s: option '-%c' "
2720                                         "unrecognized\n", argv[0], c);
2721                         return CMD_HELP;
2722                 }
2723         }
2724
2725         /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
2726         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == UGQUOTA &&
2727             optind == argc - 1) {
2728 ug_output:
2729                 memset(&qctl, 0, sizeof(qctl)); /* spoiled by print_*_quota */
2730                 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
2731                 qctl.qc_valid = valid;
2732                 qctl.qc_idx = idx;
2733                 if (pass++ == 0) {
2734                         qctl.qc_type = USRQUOTA;
2735                         qctl.qc_id = geteuid();
2736                 } else {
2737                         qctl.qc_type = GRPQUOTA;
2738                         qctl.qc_id = getegid();
2739                 }
2740                 rc = id2name(&name, qctl.qc_id,
2741                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2742                 if (rc)
2743                         name = "<unknown>";
2744         /* lfs quota -u username /path/to/lustre/mount */
2745         } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
2746                 /* options should be followed by u/g-name and mntpoint */
2747                 if (optind + 2 != argc || qctl.qc_type == UGQUOTA) {
2748                         fprintf(stderr, "error: missing quota argument(s)\n");
2749                         return CMD_HELP;
2750                 }
2751
2752                 name = argv[optind++];
2753                 rc = name2id(&qctl.qc_id, name,
2754                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2755                 if (rc) {
2756                         qctl.qc_id = strtoul(name, &endptr, 10);
2757                         if (*endptr != '\0') {
2758                                 fprintf(stderr, "error: can't find id for name "
2759                                         "%s\n", name);
2760                                 return CMD_HELP;
2761                         }
2762                 }
2763         } else if (optind + 1 != argc || qctl.qc_type == UGQUOTA) {
2764                 fprintf(stderr, "error: missing quota info argument(s)\n");
2765                 return CMD_HELP;
2766         }
2767
2768         mnt = argv[optind];
2769
2770         rc1 = llapi_quotactl(mnt, &qctl);
2771         if (rc1 < 0) {
2772                 switch (rc1) {
2773                 case -ESRCH:
2774                         fprintf(stderr, "%s quotas are not enabled.\n",
2775                                 qctl.qc_type == USRQUOTA ? "user" : "group");
2776                         goto out;
2777                 case -EPERM:
2778                         fprintf(stderr, "Permission denied.\n");
2779                 case -ENOENT:
2780                         /* We already got a "No such file..." message. */
2781                         goto out;
2782                 default:
2783                         fprintf(stderr, "Unexpected quotactl error: %s\n",
2784                                 strerror(-rc1));
2785                 }
2786         }
2787
2788         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
2789                 print_quota_title(name, &qctl);
2790
2791         if (rc1 && *obd_type)
2792                 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
2793
2794         if (qctl.qc_valid != QC_GENERAL)
2795                 mnt = "";
2796
2797         inacc = (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) &&
2798                 ((qctl.qc_dqblk.dqb_valid&(QIF_LIMITS|QIF_USAGE))!=(QIF_LIMITS|QIF_USAGE));
2799
2800         print_quota(mnt, &qctl, QC_GENERAL, rc1);
2801
2802         if (qctl.qc_valid == QC_GENERAL && qctl.qc_cmd != LUSTRE_Q_GETINFO && verbose) {
2803                 rc2 = print_obd_quota(mnt, &qctl, 1);
2804                 rc3 = print_obd_quota(mnt, &qctl, 0);
2805         }
2806
2807         if (rc1 || rc2 || rc3 || inacc)
2808                 printf("Some errors happened when getting quota info. "
2809                        "Some devices may be not working or deactivated. "
2810                        "The data in \"[]\" is inaccurate.\n");
2811
2812 out:
2813         if (pass == 1)
2814                 goto ug_output;
2815
2816         return rc1;
2817 }
2818 #endif /* HAVE_SYS_QUOTA_H! */
2819
2820 static int flushctx_ioctl(char *mp)
2821 {
2822         int fd, rc;
2823
2824         fd = open(mp, O_RDONLY);
2825         if (fd == -1) {
2826                 fprintf(stderr, "flushctx: error open %s: %s\n",
2827                         mp, strerror(errno));
2828                 return -1;
2829         }
2830
2831         rc = ioctl(fd, LL_IOC_FLUSHCTX);
2832         if (rc == -1)
2833                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
2834                         mp, strerror(errno));
2835
2836         close(fd);
2837         return rc;
2838 }
2839
2840 static int lfs_flushctx(int argc, char **argv)
2841 {
2842         int     kdestroy = 0, c;
2843         FILE   *proc = NULL;
2844         char    procline[PATH_MAX], *line;
2845         int     rc = 0;
2846
2847         optind = 0;
2848         while ((c = getopt(argc, argv, "k")) != -1) {
2849                 switch (c) {
2850                 case 'k':
2851                         kdestroy = 1;
2852                         break;
2853                 default:
2854                         fprintf(stderr, "error: %s: option '-%c' "
2855                                         "unrecognized\n", argv[0], c);
2856                         return CMD_HELP;
2857                 }
2858         }
2859
2860         if (kdestroy) {
2861             int rc;
2862             if ((rc = system("kdestroy > /dev/null")) != 0) {
2863                 rc = WEXITSTATUS(rc);
2864                 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
2865             }
2866         }
2867
2868         if (optind >= argc) {
2869                 /* flush for all mounted lustre fs. */
2870                 proc = fopen("/proc/mounts", "r");
2871                 if (!proc) {
2872                         fprintf(stderr, "error: %s: can't open /proc/mounts\n",
2873                                 argv[0]);
2874                         return -1;
2875                 }
2876
2877                 while ((line = fgets(procline, PATH_MAX, proc)) != NULL) {
2878                         char dev[PATH_MAX];
2879                         char mp[PATH_MAX];
2880                         char fs[PATH_MAX];
2881
2882                         if (sscanf(line, "%s %s %s", dev, mp, fs) != 3) {
2883                                 fprintf(stderr, "%s: unexpected format in "
2884                                                 "/proc/mounts\n",
2885                                         argv[0]);
2886                                 rc = -1;
2887                                 goto out;
2888                         }
2889
2890                         if (strcmp(fs, "lustre") != 0)
2891                                 continue;
2892                         /* we use '@' to determine it's a client. are there
2893                          * any other better way?
2894                          */
2895                         if (strchr(dev, '@') == NULL)
2896                                 continue;
2897
2898                         if (flushctx_ioctl(mp))
2899                                 rc = -1;
2900                 }
2901         } else {
2902                 /* flush fs as specified */
2903                 while (optind < argc) {
2904                         if (flushctx_ioctl(argv[optind++]))
2905                                 rc = -1;
2906                 }
2907         }
2908
2909 out:
2910         if (proc != NULL)
2911                 fclose(proc);
2912         return rc;
2913 }
2914
2915 static int lfs_lsetfacl(int argc, char **argv)
2916 {
2917         argv[0]++;
2918         return(llapi_lsetfacl(argc, argv));
2919 }
2920
2921 static int lfs_lgetfacl(int argc, char **argv)
2922 {
2923         argv[0]++;
2924         return(llapi_lgetfacl(argc, argv));
2925 }
2926
2927 static int lfs_rsetfacl(int argc, char **argv)
2928 {
2929         argv[0]++;
2930         return(llapi_rsetfacl(argc, argv));
2931 }
2932
2933 static int lfs_rgetfacl(int argc, char **argv)
2934 {
2935         argv[0]++;
2936         return(llapi_rgetfacl(argc, argv));
2937 }
2938
2939 static int lfs_cp(int argc, char **argv)
2940 {
2941         return(llapi_cp(argc, argv));
2942 }
2943
2944 static int lfs_ls(int argc, char **argv)
2945 {
2946         return(llapi_ls(argc, argv));
2947 }
2948
2949 static int lfs_changelog(int argc, char **argv)
2950 {
2951         void *changelog_priv;
2952         struct changelog_ext_rec *rec;
2953         long long startrec = 0, endrec = 0;
2954         char *mdd;
2955         struct option long_opts[] = {
2956                 {"follow", no_argument, 0, 'f'},
2957                 {0, 0, 0, 0}
2958         };
2959         char short_opts[] = "f";
2960         int rc, follow = 0;
2961
2962         optind = 0;
2963         while ((rc = getopt_long(argc, argv, short_opts,
2964                                 long_opts, NULL)) != -1) {
2965                 switch (rc) {
2966                 case 'f':
2967                         follow++;
2968                         break;
2969                 case '?':
2970                         return CMD_HELP;
2971                 default:
2972                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
2973                                 argv[0], argv[optind - 1]);
2974                         return CMD_HELP;
2975                 }
2976         }
2977         if (optind >= argc)
2978                 return CMD_HELP;
2979
2980         mdd = argv[optind++];
2981         if (argc > optind)
2982                 startrec = strtoll(argv[optind++], NULL, 10);
2983         if (argc > optind)
2984                 endrec = strtoll(argv[optind++], NULL, 10);
2985
2986         rc = llapi_changelog_start(&changelog_priv,
2987                                    CHANGELOG_FLAG_BLOCK |
2988                                    (follow ? CHANGELOG_FLAG_FOLLOW : 0),
2989                                    mdd, startrec);
2990         if (rc < 0) {
2991                 fprintf(stderr, "Can't start changelog: %s\n",
2992                         strerror(errno = -rc));
2993                 return rc;
2994         }
2995
2996         while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
2997                 time_t secs;
2998                 struct tm ts;
2999
3000                 if (endrec && rec->cr_index > endrec) {
3001                         llapi_changelog_free(&rec);
3002                         break;
3003                 }
3004                 if (rec->cr_index < startrec) {
3005                         llapi_changelog_free(&rec);
3006                         continue;
3007                 }
3008
3009                 secs = rec->cr_time >> 30;
3010                 gmtime_r(&secs, &ts);
3011                 printf(LPU64" %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d "
3012                        "0x%x t="DFID, rec->cr_index, rec->cr_type,
3013                        changelog_type2str(rec->cr_type),
3014                        ts.tm_hour, ts.tm_min, ts.tm_sec,
3015                        (int)(rec->cr_time & ((1<<30) - 1)),
3016                        ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
3017                        rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
3018                 if (rec->cr_namelen)
3019                         /* namespace rec includes parent and filename */
3020                         printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
3021                                 rec->cr_namelen, rec->cr_name);
3022                 if (fid_is_sane(&rec->cr_sfid))
3023                         printf(" s="DFID" sp="DFID" %.*s",
3024                                 PFID(&rec->cr_sfid), PFID(&rec->cr_spfid),
3025                                 changelog_rec_snamelen(rec),
3026                                 changelog_rec_sname(rec));
3027                 printf("\n");
3028
3029                 llapi_changelog_free(&rec);
3030         }
3031
3032         llapi_changelog_fini(&changelog_priv);
3033
3034         if (rc < 0)
3035                 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
3036
3037         return (rc == 1 ? 0 : rc);
3038 }
3039
3040 static int lfs_changelog_clear(int argc, char **argv)
3041 {
3042         long long endrec;
3043         int rc;
3044
3045         if (argc != 4)
3046                 return CMD_HELP;
3047
3048         endrec = strtoll(argv[3], NULL, 10);
3049
3050         rc = llapi_changelog_clear(argv[1], argv[2], endrec);
3051         if (rc)
3052                 fprintf(stderr, "%s error: %s\n", argv[0],
3053                         strerror(errno = -rc));
3054         return rc;
3055 }
3056
3057 static int lfs_fid2path(int argc, char **argv)
3058 {
3059         struct option long_opts[] = {
3060                 {"cur", no_argument, 0, 'c'},
3061                 {"link", required_argument, 0, 'l'},
3062                 {"rec", required_argument, 0, 'r'},
3063                 {0, 0, 0, 0}
3064         };
3065         char  short_opts[] = "cl:r:";
3066         char *device, *fid, *path;
3067         long long recno = -1;
3068         int linkno = -1;
3069         int lnktmp;
3070         int printcur = 0;
3071         int rc = 0;
3072
3073         optind = 0;
3074
3075         while ((rc = getopt_long(argc, argv, short_opts,
3076                                 long_opts, NULL)) != -1) {
3077                 switch (rc) {
3078                 case 'c':
3079                         printcur++;
3080                         break;
3081                 case 'l':
3082                         linkno = strtol(optarg, NULL, 10);
3083                         break;
3084                 case 'r':
3085                         recno = strtoll(optarg, NULL, 10);
3086                         break;
3087                 case '?':
3088                         return CMD_HELP;
3089                 default:
3090                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3091                                 argv[0], argv[optind - 1]);
3092                         return CMD_HELP;
3093                 }
3094         }
3095
3096         if (argc < 3)
3097                 return CMD_HELP;
3098
3099         device = argv[optind++];
3100         path = calloc(1, PATH_MAX);
3101
3102         rc = 0;
3103         while (optind < argc) {
3104                 fid = argv[optind++];
3105
3106                 lnktmp = (linkno >= 0) ? linkno : 0;
3107                 while (1) {
3108                         int oldtmp = lnktmp;
3109                         long long rectmp = recno;
3110                         int rc2;
3111                         rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
3112                                              &rectmp, &lnktmp);
3113                         if (rc2 < 0) {
3114                                 fprintf(stderr, "%s: error on FID %s: %s\n",
3115                                         argv[0], fid, strerror(errno = -rc2));
3116                                 if (rc == 0)
3117                                         rc = rc2;
3118                                 break;
3119                         }
3120
3121                         if (printcur)
3122                                 fprintf(stdout, "%lld ", rectmp);
3123                         if (device[0] == '/') {
3124                                 fprintf(stdout, "%s", device);
3125                                 if (device[strlen(device) - 1] != '/')
3126                                         fprintf(stdout, "/");
3127                         } else if (path[0] == '\0') {
3128                                 fprintf(stdout, "/");
3129                         }
3130                         fprintf(stdout, "%s\n", path);
3131
3132                         if (linkno >= 0)
3133                                 /* specified linkno */
3134                                 break;
3135                         if (oldtmp == lnktmp)
3136                                 /* no more links */
3137                                 break;
3138                 }
3139         }
3140
3141         free(path);
3142         return rc;
3143 }
3144
3145 static int lfs_path2fid(int argc, char **argv)
3146 {
3147         char **path;
3148         const char *sep = "";
3149         lustre_fid fid;
3150         int rc = 0;
3151
3152         if (argc < 2)
3153                 return CMD_HELP;
3154         else if (argc > 2)
3155                 sep = ": ";
3156
3157         path = argv + 1;
3158         while (*path != NULL) {
3159                 int err = llapi_path2fid(*path, &fid);
3160
3161                 if (err) {
3162                         fprintf(stderr, "%s: can't get fid for %s: %s\n",
3163                                 argv[0], *path, strerror(-err));
3164                         if (rc == 0) {
3165                                 rc = err;
3166                                 errno = -err;
3167                         }
3168                         goto out;
3169                 }
3170                 printf("%s%s"DFID"\n", *sep != '\0' ? *path : "", sep,
3171                        PFID(&fid));
3172 out:
3173                 path++;
3174         }
3175
3176         return rc;
3177 }
3178
3179 static int lfs_data_version(int argc, char **argv)
3180 {
3181         char *path;
3182         __u64 data_version;
3183         int fd;
3184         int rc;
3185         int c;
3186         int nolock = 0;
3187
3188         if (argc < 2)
3189                 return CMD_HELP;
3190
3191         optind = 0;
3192         while ((c = getopt(argc, argv, "n")) != -1) {
3193                 switch (c) {
3194                 case 'n':
3195                         nolock = LL_DV_NOFLUSH;
3196                         break;
3197                 default:
3198                         return CMD_HELP;
3199                 }
3200         }
3201         if (optind == argc)
3202                 return CMD_HELP;
3203
3204         path = argv[optind];
3205         fd = open(path, O_RDONLY);
3206         if (fd < 0) {
3207                 fprintf(stderr, "can't open %s: %s\n", path,
3208                         strerror(errno));
3209                 return errno;
3210         }
3211
3212         rc = llapi_get_data_version(fd, &data_version, nolock);
3213         if (rc) {
3214                 fprintf(stderr, "can't get version for %s: %s\n", path,
3215                         strerror(errno = -rc));
3216         } else
3217                 printf(LPU64 "\n", data_version);
3218
3219         close(fd);
3220
3221         return rc;
3222 }
3223
3224 static int lfs_hsm_state(int argc, char **argv)
3225 {
3226         int rc;
3227         int i = 1;
3228         char *path;
3229         struct hsm_user_state hus;
3230
3231         if (argc < 2)
3232                 return CMD_HELP;
3233
3234         do {
3235                 path = argv[i];
3236
3237                 rc = llapi_hsm_state_get(path, &hus);
3238                 if (rc) {
3239                         fprintf(stderr, "can't get hsm state for %s: %s\n",
3240                                 path, strerror(errno = -rc));
3241                         return rc;
3242                 }
3243
3244                 /* Display path name and status flags */
3245                 printf("%s: (0x%08x)", path, hus.hus_states);
3246
3247                 if (hus.hus_states & HS_RELEASED)
3248                         printf(" released");
3249                 if (hus.hus_states & HS_EXISTS)
3250                         printf(" exists");
3251                 if (hus.hus_states & HS_DIRTY)
3252                         printf(" dirty");
3253                 if (hus.hus_states & HS_ARCHIVED)
3254                         printf(" archived");
3255                 /* Display user-settable flags */
3256                 if (hus.hus_states & HS_NORELEASE)
3257                         printf(" never_release");
3258                 if (hus.hus_states & HS_NOARCHIVE)
3259                         printf(" never_archive");
3260                 if (hus.hus_states & HS_LOST)
3261                         printf(" lost_from_hsm");
3262
3263                 if (hus.hus_archive_id != 0)
3264                         printf(", archive_id:%d", hus.hus_archive_id);
3265                 printf("\n");
3266
3267         } while (++i < argc);
3268
3269         return 0;
3270 }
3271
3272 #define LFS_HSM_SET   0
3273 #define LFS_HSM_CLEAR 1
3274
3275 /**
3276  * Generic function to set or clear HSM flags.
3277  * Used by hsm_set and hsm_clear.
3278  *
3279  * @mode  if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
3280  */
3281 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
3282 {
3283         struct option long_opts[] = {
3284                 {"lost", 0, 0, 'l'},
3285                 {"norelease", 0, 0, 'r'},
3286                 {"noarchive", 0, 0, 'a'},
3287                 {"archived", 0, 0, 'A'},
3288                 {"dirty", 0, 0, 'd'},
3289                 {"exists", 0, 0, 'e'},
3290                 {0, 0, 0, 0}
3291         };
3292         char short_opts[] = "lraAde";
3293         __u64 mask = 0;
3294         int c, rc;
3295         char *path;
3296
3297         if (argc < 3)
3298                 return CMD_HELP;
3299
3300         optind = 0;
3301         while ((c = getopt_long(argc, argv, short_opts,
3302                                 long_opts, NULL)) != -1) {
3303                 switch (c) {
3304                 case 'l':
3305                         mask |= HS_LOST;
3306                         break;
3307                 case 'a':
3308                         mask |= HS_NOARCHIVE;
3309                         break;
3310                 case 'A':
3311                         mask |= HS_ARCHIVED;
3312                         break;
3313                 case 'r':
3314                         mask |= HS_NORELEASE;
3315                         break;
3316                 case 'd':
3317                         mask |= HS_DIRTY;
3318                         break;
3319                 case 'e':
3320                         mask |= HS_EXISTS;
3321                         break;
3322                 case '?':
3323                         return CMD_HELP;
3324                 default:
3325                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3326                                 argv[0], argv[optind - 1]);
3327                         return CMD_HELP;
3328                 }
3329         }
3330
3331         /* User should have specified a flag */
3332         if (mask == 0)
3333                 return CMD_HELP;
3334
3335         while (optind < argc) {
3336
3337                 path = argv[optind];
3338
3339                 /* If mode == 0, this means we apply the mask. */
3340                 if (mode == LFS_HSM_SET)
3341                         rc = llapi_hsm_state_set(path, mask, 0, 0);
3342                 else
3343                         rc = llapi_hsm_state_set(path, 0, mask, 0);
3344
3345                 if (rc != 0) {
3346                         fprintf(stderr, "Can't change hsm flags for %s: %s\n",
3347                                 path, strerror(errno = -rc));
3348                         return rc;
3349                 }
3350                 optind++;
3351         }
3352
3353         return 0;
3354 }
3355
3356 static int lfs_hsm_action(int argc, char **argv)
3357 {
3358         int                              rc;
3359         int                              i = 1;
3360         char                            *path;
3361         struct hsm_current_action        hca;
3362         struct hsm_extent                he;
3363         enum hsm_user_action             hua;
3364         enum hsm_progress_states         hps;
3365
3366         if (argc < 2)
3367                 return CMD_HELP;
3368
3369         do {
3370                 path = argv[i];
3371
3372                 rc = llapi_hsm_current_action(path, &hca);
3373                 if (rc) {
3374                         fprintf(stderr, "can't get hsm action for %s: %s\n",
3375                                 path, strerror(errno = -rc));
3376                         return rc;
3377                 }
3378                 he = hca.hca_location;
3379                 hua = hca.hca_action;
3380                 hps = hca.hca_state;
3381
3382                 printf("%s: %s", path, hsm_user_action2name(hua));
3383
3384                 /* Skip file without action */
3385                 if (hca.hca_action == HUA_NONE) {
3386                         printf("\n");
3387                         continue;
3388                 }
3389
3390                 printf(" %s ", hsm_progress_state2name(hps));
3391
3392                 if ((hps == HPS_RUNNING) &&
3393                     (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
3394                         printf("("LPX64 " bytes moved)\n", he.length);
3395                 else if ((he.offset + he.length) == OBD_OBJECT_EOF)
3396                         printf("(from "LPX64 " to EOF)\n", he.offset);
3397                 else
3398                         printf("(from "LPX64 " to "LPX64")\n",
3399                                he.offset, he.offset + he.length);
3400
3401         } while (++i < argc);
3402
3403         return 0;
3404 }
3405
3406 static int lfs_hsm_set(int argc, char **argv)
3407 {
3408         return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
3409 }
3410
3411 static int lfs_hsm_clear(int argc, char **argv)
3412 {
3413         return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
3414 }
3415
3416 /**
3417  * Check file state and return its fid, to be used by lfs_hsm_request().
3418  *
3419  * \param[in]     file      Path to file to check
3420  * \param[in,out] fid       Pointer to allocated lu_fid struct.
3421  * \param[in,out] last_dev  Pointer to last device id used.
3422  *
3423  * \return 0 on success.
3424  */
3425 static int lfs_hsm_prepare_file(char *file, struct lu_fid *fid,
3426                                 dev_t *last_dev)
3427 {
3428         struct stat     st;
3429         int             rc;
3430
3431         rc = lstat(file, &st);
3432         if (rc) {
3433                 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
3434                 return -errno;
3435         }
3436         /* A request should be ... */
3437         if (*last_dev != st.st_dev && *last_dev != 0) {
3438                 fprintf(stderr, "All files should be "
3439                         "on the same filesystem: %s\n", file);
3440                 return -EINVAL;
3441         }
3442         *last_dev = st.st_dev;
3443
3444         rc = llapi_path2fid(file, fid);
3445         if (rc) {
3446                 fprintf(stderr, "Cannot read FID of %s: %s\n",
3447                         file, strerror(-rc));
3448                 return rc;
3449         }
3450         return 0;
3451 }
3452
3453 static int lfs_hsm_request(int argc, char **argv, int action)
3454 {
3455         struct option            long_opts[] = {
3456                 {"filelist", 1, 0, 'l'},
3457                 {"data", 1, 0, 'D'},
3458                 {"archive", 1, 0, 'a'},
3459                 {0, 0, 0, 0}
3460         };
3461         dev_t                    last_dev = 0;
3462         char                     short_opts[] = "l:D:a:";
3463         struct hsm_user_request *hur, *oldhur;
3464         int                      c, i;
3465         size_t                   len;
3466         int                      nbfile;
3467         char                    *line = NULL;
3468         char                    *filelist = NULL;
3469         char                     fullpath[PATH_MAX];
3470         char                    *opaque = NULL;
3471         int                      opaque_len = 0;
3472         int                      archive_id = 0;
3473         FILE                    *fp;
3474         int                      nbfile_alloc = 0;
3475         char                     some_file[PATH_MAX+1] = "";
3476         int                      rc;
3477
3478         if (argc < 2)
3479                 return CMD_HELP;
3480
3481         optind = 0;
3482         while ((c = getopt_long(argc, argv, short_opts,
3483                                 long_opts, NULL)) != -1) {
3484                 switch (c) {
3485                 case 'l':
3486                         filelist = optarg;
3487                         break;
3488                 case 'D':
3489                         opaque = optarg;
3490                         break;
3491                 case 'a':
3492                         if (action != HUA_ARCHIVE) {
3493                                 fprintf(stderr,
3494                                         "error: -a is supported only "
3495                                         "when archiving\n");
3496                                 return CMD_HELP;
3497                         }
3498                         archive_id = atoi(optarg);
3499                         break;
3500                 case '?':
3501                         return CMD_HELP;
3502                 default:
3503                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3504                                 argv[0], argv[optind - 1]);
3505                         return CMD_HELP;
3506                 }
3507         }
3508
3509         /* All remaining args are files, so we have at least nbfile */
3510         nbfile = argc - optind;
3511
3512         if ((nbfile == 0) && (filelist == NULL))
3513                 return CMD_HELP;
3514
3515         if (opaque != NULL)
3516                 opaque_len = strlen(opaque);
3517
3518         /* Alloc the request structure with enough place to store all files
3519          * from command line. */
3520         hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
3521         if (hur == NULL) {
3522                 fprintf(stderr, "Cannot create the request: %s\n",
3523                         strerror(errno));
3524                 return errno;
3525         }
3526         nbfile_alloc = nbfile;
3527
3528         hur->hur_request.hr_action = action;
3529         hur->hur_request.hr_archive_id = archive_id;
3530         hur->hur_request.hr_flags = 0;
3531
3532         /* All remaining args are files, add them */
3533         if (nbfile != 0)
3534                 strcpy(some_file, argv[optind]);
3535
3536         for (i = 0; i < nbfile; i++) {
3537                 hur->hur_user_item[i].hui_extent.length = -1;
3538                 rc = lfs_hsm_prepare_file(argv[optind + i],
3539                                           &hur->hur_user_item[i].hui_fid,
3540                                           &last_dev);
3541                 hur->hur_request.hr_itemcount++;
3542                 if (rc)
3543                         goto out_free;
3544         }
3545
3546         /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
3547
3548         /* If a filelist was specified, read the filelist from it. */
3549         if (filelist != NULL) {
3550                 fp = fopen(filelist, "r");
3551                 if (fp == NULL) {
3552                         fprintf(stderr, "Cannot read the file list %s: %s\n",
3553                                 filelist, strerror(errno));
3554                         rc = -errno;
3555                         goto out_free;
3556                 }
3557
3558                 while ((rc = getline(&line, &len, fp)) != -1) {
3559                         struct hsm_user_item *hui;
3560
3561                         /* If allocated buffer was too small, gets something
3562                          * bigger */
3563                         if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
3564                                 nbfile_alloc = nbfile_alloc * 2 + 1;
3565                                 oldhur = hur;
3566                                 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
3567                                                                    opaque_len);
3568                                 if (hur == NULL) {
3569                                         fprintf(stderr, "Cannot allocate "
3570                                                 "the request: %s\n",
3571                                                 strerror(errno));
3572                                         hur = oldhur;
3573                                         rc = -errno;
3574                                         goto out_free;
3575                                 }
3576                                 memcpy(hur, oldhur, hur_len(oldhur));
3577                                 free(oldhur);
3578                         }
3579
3580                         /* Chop CR */
3581                         if (line[strlen(line) - 1] == '\n')
3582                                 line[strlen(line) - 1] = '\0';
3583
3584                         hui =
3585                              &hur->hur_user_item[hur->hur_request.hr_itemcount];
3586                         hui->hui_extent.length = -1;
3587                         rc = lfs_hsm_prepare_file(line, &hui->hui_fid,
3588                                                   &last_dev);
3589                         hur->hur_request.hr_itemcount++;
3590                         if (rc)
3591                                 goto out_free;
3592
3593                         if ((some_file[0] == '\0') &&
3594                             (strlen(line) < sizeof(some_file)))
3595                                 strcpy(some_file, line);
3596                 }
3597
3598                 rc = fclose(fp);
3599                 if (line)
3600                         free(line);
3601         }
3602
3603         /* If a --data was used, add it to the request */
3604         hur->hur_request.hr_data_len = opaque_len;
3605         if (opaque != NULL)
3606                 memcpy(hur_data(hur), opaque, opaque_len);
3607
3608         /* Send the HSM request */
3609         if (realpath(some_file, fullpath) == NULL) {
3610                 fprintf(stderr, "Could not find path '%s': %s\n",
3611                         some_file, strerror(errno));
3612         }
3613         rc = llapi_hsm_request(fullpath, hur);
3614         if (rc) {
3615                 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
3616                         some_file, strerror(-rc));
3617                 goto out_free;
3618         }
3619
3620 out_free:
3621         free(hur);
3622         return rc;
3623 }
3624
3625 static int lfs_hsm_archive(int argc, char **argv)
3626 {
3627         return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
3628 }
3629
3630 static int lfs_hsm_restore(int argc, char **argv)
3631 {
3632         return lfs_hsm_request(argc, argv, HUA_RESTORE);
3633 }
3634
3635 static int lfs_hsm_release(int argc, char **argv)
3636 {
3637         return lfs_hsm_request(argc, argv, HUA_RELEASE);
3638 }
3639
3640 static int lfs_hsm_remove(int argc, char **argv)
3641 {
3642         return lfs_hsm_request(argc, argv, HUA_REMOVE);
3643 }
3644
3645 static int lfs_hsm_cancel(int argc, char **argv)
3646 {
3647         return lfs_hsm_request(argc, argv, HUA_CANCEL);
3648 }
3649
3650 static int lfs_swap_layouts(int argc, char **argv)
3651 {
3652         if (argc != 3)
3653                 return CMD_HELP;
3654
3655         return llapi_swap_layouts(argv[1], argv[2], 0, 0,
3656                                   SWAP_LAYOUTS_KEEP_MTIME |
3657                                   SWAP_LAYOUTS_KEEP_ATIME);
3658 }
3659
3660 int main(int argc, char **argv)
3661 {
3662         int rc;
3663
3664         setlinebuf(stdout);
3665
3666         ptl_initialize(argc, argv);
3667         if (obd_initialize(argc, argv) < 0)
3668                 exit(2);
3669
3670         Parser_init("lfs > ", cmdlist);
3671
3672         if (argc > 1) {
3673                 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
3674         } else {
3675                 rc = Parser_commands();
3676         }
3677
3678         obd_finalize(argc, argv);
3679         return rc < 0 ? -rc : rc;
3680 }
3681