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[fs/lustre-release.git] / lustre / utils / lfs.c
1 /*
2  * GPL HEADER START
3  *
4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 only,
8  * as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License version 2 for more details (a copy is included
14  * in the LICENSE file that accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License
17  * version 2 along with this program; If not, see
18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19  *
20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21  * CA 95054 USA or visit www.sun.com if you need additional information or
22  * have any questions.
23  *
24  * GPL HEADER END
25  */
26 /*
27  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
28  * Use is subject to license terms.
29  *
30  * Copyright (c) 2011, 2013, Intel Corporation.
31  */
32 /*
33  * This file is part of Lustre, http://www.lustre.org/
34  * Lustre is a trademark of Sun Microsystems, Inc.
35  *
36  * lustre/utils/lfs.c
37  *
38  * Author: Peter J. Braam <braam@clusterfs.com>
39  * Author: Phil Schwan <phil@clusterfs.com>
40  * Author: Robert Read <rread@clusterfs.com>
41  */
42
43 /* for O_DIRECTORY */
44 #ifndef _GNU_SOURCE
45 #define _GNU_SOURCE
46 #endif
47
48 #include <stdlib.h>
49 #include <stdio.h>
50 #include <getopt.h>
51 #include <string.h>
52 #include <mntent.h>
53 #include <errno.h>
54 #include <err.h>
55 #include <pwd.h>
56 #include <grp.h>
57 #include <sys/quota.h>
58 #include <sys/types.h>
59 #include <sys/stat.h>
60 #include <fcntl.h>
61 #include <dirent.h>
62 #include <time.h>
63 #include <ctype.h>
64 #ifdef HAVE_SYS_QUOTA_H
65 # include <sys/quota.h>
66 #endif
67
68 #include <libcfs/libcfs.h>
69 #include <libcfs/libcfsutil.h>
70 #include <lustre/lustreapi.h>
71 #include <lustre_ver.h>
72
73 /* all functions */
74 static int lfs_setstripe(int argc, char **argv);
75 static int lfs_find(int argc, char **argv);
76 static int lfs_getstripe(int argc, char **argv);
77 static int lfs_getdirstripe(int argc, char **argv);
78 static int lfs_setdirstripe(int argc, char **argv);
79 static int lfs_rmentry(int argc, char **argv);
80 static int lfs_osts(int argc, char **argv);
81 static int lfs_mdts(int argc, char **argv);
82 static int lfs_df(int argc, char **argv);
83 static int lfs_getname(int argc, char **argv);
84 static int lfs_check(int argc, char **argv);
85 #ifdef HAVE_SYS_QUOTA_H
86 static int lfs_quotacheck(int argc, char **argv);
87 static int lfs_quotaon(int argc, char **argv);
88 static int lfs_quotaoff(int argc, char **argv);
89 static int lfs_setquota(int argc, char **argv);
90 static int lfs_quota(int argc, char **argv);
91 #endif
92 static int lfs_flushctx(int argc, char **argv);
93 static int lfs_join(int argc, char **argv);
94 static int lfs_lsetfacl(int argc, char **argv);
95 static int lfs_lgetfacl(int argc, char **argv);
96 static int lfs_rsetfacl(int argc, char **argv);
97 static int lfs_rgetfacl(int argc, char **argv);
98 static int lfs_cp(int argc, char **argv);
99 static int lfs_ls(int argc, char **argv);
100 static int lfs_poollist(int argc, char **argv);
101 static int lfs_changelog(int argc, char **argv);
102 static int lfs_changelog_clear(int argc, char **argv);
103 static int lfs_fid2path(int argc, char **argv);
104 static int lfs_path2fid(int argc, char **argv);
105 static int lfs_data_version(int argc, char **argv);
106 static int lfs_hsm_state(int argc, char **argv);
107 static int lfs_hsm_set(int argc, char **argv);
108 static int lfs_hsm_clear(int argc, char **argv);
109 static int lfs_hsm_action(int argc, char **argv);
110 static int lfs_hsm_archive(int argc, char **argv);
111 static int lfs_hsm_restore(int argc, char **argv);
112 static int lfs_hsm_release(int argc, char **argv);
113 static int lfs_hsm_remove(int argc, char **argv);
114 static int lfs_hsm_cancel(int argc, char **argv);
115 static int lfs_swap_layouts(int argc, char **argv);
116 static int lfs_mv(int argc, char **argv);
117
118 #define SETSTRIPE_USAGE(_cmd, _tgt) \
119         "usage: "_cmd" [--stripe-count|-c <stripe_count>]\n"\
120         "                 [--stripe-index|-i <start_ost_idx>]\n"\
121         "                 [--stripe-size|-S <stripe_size>]\n"\
122         "                 [--pool|-p <pool_name>]\n"\
123         "                 [--block|-b] "_tgt"\n"\
124         "\tstripe_size:  Number of bytes on each OST (0 filesystem default)\n"\
125         "\t              Can be specified with k, m or g (in KB, MB and GB\n"\
126         "\t              respectively)\n"\
127         "\tstart_ost_idx: OST index of first stripe (-1 default)\n"\
128         "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"\
129         "\tpool_name:    Name of OST pool to use (default none)\n"\
130         "\tblock:        Block file access during data migration"
131
132 /* all avaialable commands */
133 command_t cmdlist[] = {
134         {"setstripe", lfs_setstripe, 0,
135          "Create a new file with a specific striping pattern or\n"
136          "set the default striping pattern on an existing directory or\n"
137          "delete the default striping pattern from an existing directory\n"
138          "usage: setstripe -d <directory>   (to delete default striping)\n"\
139          " or\n"
140          SETSTRIPE_USAGE("setstripe", "<directory|filename>")},
141         {"getstripe", lfs_getstripe, 0,
142          "To list the striping info for a given file or files in a\n"
143          "directory or recursively for all files in a directory tree.\n"
144          "usage: getstripe [--ost|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
145          "                 [--stripe-count|-c] [--stripe-index|-i]\n"
146          "                 [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
147          "                 [--mdt-index|-M] [--recursive|-r] [--raw|-R]\n"
148          "                 [--layout|-L]\n"
149          "                 <directory|filename> ..."},
150         {"setdirstripe", lfs_setdirstripe, 0,
151          "To create a striped directory on a specified MDT. This can only\n"
152          "be done on MDT0 with the right of administrator.\n"
153          "usage: setdirstripe <--count|-c stripe_count>\n"
154          "              [--index|-i mdt_index] [--hash-type|-t hash_type]\n"
155          "              [--default_stripe|-D ] [--mode|-m mode] <dir>\n"
156          "\tstripe_count: stripe count of the striped directory\n"
157          "\tmdt_index:  MDT index of first stripe\n"
158          "\thash_type:  hash type of the striped directory. Hash types:\n"
159          "      fnv_1a_64 FNV-1a hash algorithm (default)\n"
160          "      all_char  sum of characters % MDT_COUNT (not recommended)\n"
161          "\tdefault_stripe: set default dirstripe of the directory\n"
162          "\tmode: the mode of the directory\n"},
163         {"getdirstripe", lfs_getdirstripe, 0,
164          "To list the striping info for a given directory\n"
165          "or recursively for all directories in a directory tree.\n"
166          "usage: getdirstripe [--obd|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
167          "               [--count|-c ] [--index|-i ] [--raw|-R]\n"
168          "               [--recursive | -r] [ --default_stripe | -D ] <dir> "},
169         {"mkdir", lfs_setdirstripe, 0,
170          "To create a striped directory on a specified MDT. This can only\n"
171          "be done on MDT0 with the right of administrator.\n"
172          "usage: mkdir <--count|-c stripe_count>\n"
173          "              [--index|-i mdt_index] [--hash-type|-t hash_type]\n"
174          "              [--default_stripe|-D ] [--mode|-m mode] <dir>\n"
175          "\tstripe_count: stripe count of the striped directory\n"
176          "\tmdt_index:  MDT index of first stripe\n"
177          "\thash_type:  hash type of the striped directory. Hash types:\n"
178          "      fnv_1a_64 FNV-1a hash algorithm (default)\n"
179          "      all_char  sum of characters % MDT_COUNT (not recommended)\n"
180          "\tdefault_stripe: set default dirstripe of the directory\n"
181          "\tmode: the mode of the directory\n"},
182         {"rm_entry", lfs_rmentry, 0,
183          "To remove the name entry of the remote directory. Note: This\n"
184          "command will only delete the name entry, i.e. the remote directory\n"
185          "will become inaccessable after this command. This can only be done\n"
186          "by the administrator\n"
187          "usage: rm_entry <dir>\n"},
188         {"pool_list", lfs_poollist, 0,
189          "List pools or pool OSTs\n"
190          "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
191         {"find", lfs_find, 0,
192          "find files matching given attributes recursively in directory tree.\n"
193          "usage: find <directory|filename> ...\n"
194          "     [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
195          "     [[!] --mtime|-M [+-]N] [[!] --mdt|-m <uuid|index,...>]\n"
196          "     [--maxdepth|-D N] [[!] --name|-n <pattern>]\n"
197          "     [[!] --ost|-O <uuid|index,...>] [--print|-p] [--print0|-P]\n"
198          "     [[!] --size|-s [+-]N[bkMGTPE]]\n"
199          "     [[!] --stripe-count|-c [+-]<stripes>]\n"
200          "     [[!] --stripe-index|-i <index,...>]\n"
201          "     [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
202          "     [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
203          "     [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
204          "     [[!] --layout|-L released,raid0]\n"
205          "\t !: used before an option indicates 'NOT' requested attribute\n"
206          "\t -: used before a value indicates 'AT MOST' requested value\n"
207          "\t +: used before a value indicates 'AT LEAST' requested value\n"},
208         {"check", lfs_check, 0,
209          "Display the status of MDS or OSTs (as specified in the command)\n"
210          "or all the servers (MDS and OSTs).\n"
211          "usage: check <osts|mds|servers>"},
212         {"join", lfs_join, 0,
213          "join two lustre files into one.\n"
214          "obsolete, HEAD does not support it anymore.\n"},
215         {"osts", lfs_osts, 0, "list OSTs connected to client "
216          "[for specified path only]\n" "usage: osts [path]"},
217         {"mdts", lfs_mdts, 0, "list MDTs connected to client "
218          "[for specified path only]\n" "usage: mdts [path]"},
219         {"df", lfs_df, 0,
220          "report filesystem disk space usage or inodes usage"
221          "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
222          "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
223         {"getname", lfs_getname, 0, "list instances and specified mount points "
224          "[for specified path only]\n"
225          "Usage: getname [-h]|[path ...] "},
226 #ifdef HAVE_SYS_QUOTA_H
227         {"quotacheck", lfs_quotacheck, 0,
228          "Scan the specified filesystem for disk usage, and create,\n"
229          "or update quota files. Deprecated as of 2.4.0.\n"
230          "usage: quotacheck [ -ug ] <filesystem>"},
231         {"quotaon", lfs_quotaon, 0, "Turn filesystem"
232          " quotas on. Deprecated as of 2.4.0.\n"
233          "usage: quotaon [ -ugf ] <filesystem>"},
234         {"quotaoff", lfs_quotaoff, 0, "Turn filesystem"
235          " quotas off. Deprecated as of 2.4.0.\n"
236          "usage: quotaoff [ -ug ] <filesystem>"},
237         {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
238          "usage: setquota <-u|-g> <uname>|<uid>|<gname>|<gid>\n"
239          "                -b <block-softlimit> -B <block-hardlimit>\n"
240          "                -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
241          "       setquota <-u|--user|-g|--group> <uname>|<uid>|<gname>|<gid>\n"
242          "                [--block-softlimit <block-softlimit>]\n"
243          "                [--block-hardlimit <block-hardlimit>]\n"
244          "                [--inode-softlimit <inode-softlimit>]\n"
245          "                [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
246          "       setquota [-t] <-u|--user|-g|--group>\n"
247          "                [--block-grace <block-grace>]\n"
248          "                [--inode-grace <inode-grace>] <filesystem>\n"
249          "       -b can be used instead of --block-softlimit/--block-grace\n"
250          "       -B can be used instead of --block-hardlimit\n"
251          "       -i can be used instead of --inode-softlimit/--inode-grace\n"
252          "       -I can be used instead of --inode-hardlimit\n\n"
253          "Note: The total quota space will be split into many qunits and\n"
254          "      balanced over all server targets, the minimal qunit size is\n"
255          "      1M bytes for block space and 1K inodes for inode space.\n\n"
256          "      Quota space rebalancing process will stop when this mininum\n"
257          "      value is reached. As a result, quota exceeded can be returned\n"
258          "      while many targets still have 1MB or 1K inodes of spare\n"
259          "      quota space."},
260         {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
261          "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
262                        "<ost_idx>]\n"
263          "             [<-u|-g> <uname>|<uid>|<gname>|<gid>] <filesystem>\n"
264          "       quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g> <filesystem>"},
265 #endif
266         {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
267          "usage: flushctx [-k] [mountpoint...]"},
268         {"lsetfacl", lfs_lsetfacl, 0,
269          "Remote user setfacl for user/group on the same remote client.\n"
270          "usage: lsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
271         {"lgetfacl", lfs_lgetfacl, 0,
272          "Remote user getfacl for user/group on the same remote client.\n"
273          "usage: lgetfacl [-dRLPvh] file ..."},
274         {"rsetfacl", lfs_rsetfacl, 0,
275          "Remote user setfacl for user/group on other clients.\n"
276          "usage: rsetfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ..."},
277         {"rgetfacl", lfs_rgetfacl, 0,
278          "Remote user getfacl for user/group on other clients.\n"
279          "usage: rgetfacl [-dRLPvh] file ..."},
280         {"cp", lfs_cp, 0,
281          "Remote user copy files and directories.\n"
282          "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
283         {"ls", lfs_ls, 0,
284          "Remote user list directory contents.\n"
285          "usage: ls [OPTION]... [FILE]..."},
286         {"changelog", lfs_changelog, 0,
287          "Show the metadata changes on an MDT."
288          "\nusage: changelog <mdtname> [startrec [endrec]]"},
289         {"changelog_clear", lfs_changelog_clear, 0,
290          "Indicate that old changelog records up to <endrec> are no longer of "
291          "interest to consumer <id>, allowing the system to free up space.\n"
292          "An <endrec> of 0 means all records.\n"
293          "usage: changelog_clear <mdtname> <id> <endrec>"},
294         {"fid2path", lfs_fid2path, 0,
295          "Resolve the full path(s) for given FID(s). For a specific hardlink "
296          "specify link number <linkno>.\n"
297         /* "For a historical link name, specify changelog record <recno>.\n" */
298          "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
299                 /* [ --rec <recno> ] */ },
300         {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
301          "usage: path2fid <path> ..."},
302         {"data_version", lfs_data_version, 0, "Display file data version for "
303          "a given path.\n" "usage: data_version -[n|r|w] <path>"},
304         {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
305          "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
306         {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
307          "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
308          "[--archived] [--lost] <file> ..."},
309         {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
310          "files.\n"
311          "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
312          "[--archived] [--lost] <file> ..."},
313         {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
314          "given files.\n" "usage: hsm_action <file> ..."},
315         {"hsm_archive", lfs_hsm_archive, 0,
316          "Archive file to external storage.\n"
317          "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
318          "<file> ..."},
319         {"hsm_restore", lfs_hsm_restore, 0,
320          "Restore file from external storage.\n"
321          "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
322         {"hsm_release", lfs_hsm_release, 0,
323          "Release files from Lustre.\n"
324          "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
325         {"hsm_remove", lfs_hsm_remove, 0,
326          "Remove file copy from external storage.\n"
327          "usage: hsm_remove [--filelist FILELIST] [--data DATA] <file> ..."},
328         {"hsm_cancel", lfs_hsm_cancel, 0,
329          "Cancel requests related to specified files.\n"
330          "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
331         {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
332          "usage: swap_layouts <path1> <path2>"},
333         {"migrate", lfs_setstripe, 0, "migrate file from one OST layout to "
334          "another (may be not safe with concurent writes).\n"
335          SETSTRIPE_USAGE("migrate  ", "<filename>")},
336         {"mv", lfs_mv, 0,
337          "To move directories between MDTs.\n"
338          "usage: mv <directory|filename> [--mdt-index|-M] <mdt_index> "
339          "[--verbose|-v]\n"},
340         {"help", Parser_help, 0, "help"},
341         {"exit", Parser_quit, 0, "quit"},
342         {"quit", Parser_quit, 0, "quit"},
343         { 0, 0, 0, NULL }
344 };
345
346 #define MIGRATION_BLOCKS 1
347
348 static int lfs_migrate(char *name, unsigned long long stripe_size,
349                        int stripe_offset, int stripe_count,
350                        int stripe_pattern, char *pool_name,
351                        __u64 migration_flags)
352 {
353         int                      fd, fdv;
354         char                     volatile_file[PATH_MAX +
355                                                 LUSTRE_VOLATILE_HDR_LEN + 4];
356         char                     parent[PATH_MAX];
357         char                    *ptr;
358         int                      rc;
359         __u64                    dv1;
360         struct lov_user_md      *lum = NULL;
361         int                      lumsz;
362         int                      bufsz;
363         void                    *buf = NULL;
364         int                      rsize, wsize;
365         __u64                    rpos, wpos, bufoff;
366         int                      gid = 0, sz;
367         int                      have_gl = 0;
368         struct stat              st, stv;
369
370         /* find the right size for the IO and allocate the buffer */
371         lumsz = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
372         lum = malloc(lumsz);
373         if (lum == NULL) {
374                 rc = -ENOMEM;
375                 goto free;
376         }
377
378         rc = llapi_file_get_stripe(name, lum);
379         /* failure can come from may case and some may be not real error
380          * (eg: no stripe)
381          * in case of a real error, a later call will failed with a better
382          * error management */
383         if (rc < 0)
384                 bufsz = 1024*1024;
385         else
386                 bufsz = lum->lmm_stripe_size;
387         rc = posix_memalign(&buf, getpagesize(), bufsz);
388         if (rc != 0) {
389                 rc = -rc;
390                 goto free;
391         }
392
393         if (migration_flags & MIGRATION_BLOCKS) {
394                 /* generate a random id for the grouplock */
395                 fd = open("/dev/urandom", O_RDONLY);
396                 if (fd == -1) {
397                         rc = -errno;
398                         fprintf(stderr, "cannot open /dev/urandom (%s)\n",
399                                 strerror(-rc));
400                         goto free;
401                 }
402                 sz = sizeof(gid);
403                 rc = read(fd, &gid, sz);
404                 close(fd);
405                 if (rc < sz) {
406                         rc = -errno;
407                         fprintf(stderr, "cannot read %d bytes from"
408                                 " /dev/urandom (%s)\n", sz, strerror(-rc));
409                         goto free;
410                 }
411         }
412
413         /* search for file directory pathname */
414         if (strlen(name) > sizeof(parent)-1) {
415                 rc = -E2BIG;
416                 goto free;
417         }
418         strncpy(parent, name, sizeof(parent));
419         ptr = strrchr(parent, '/');
420         if (ptr == NULL) {
421                 if (getcwd(parent, sizeof(parent)) == NULL) {
422                         rc = -errno;
423                         goto free;
424                 }
425         } else {
426                 if (ptr == parent)
427                         strcpy(parent, "/");
428                 else
429                         *ptr = '\0';
430         }
431         rc = snprintf(volatile_file, sizeof(volatile_file), "%s/%s::", parent,
432                       LUSTRE_VOLATILE_HDR);
433         if (rc >= sizeof(volatile_file)) {
434                 rc = -E2BIG;
435                 goto free;
436         }
437
438         /* create, open a volatile file, use caching (ie no directio) */
439         /* exclusive create is not needed because volatile files cannot
440          * conflict on name by construction */
441         fdv = llapi_file_open_pool(volatile_file, O_CREAT | O_WRONLY,
442                                    0644, stripe_size, stripe_offset,
443                                    stripe_count, stripe_pattern, pool_name);
444         if (fdv < 0) {
445                 rc = fdv;
446                 fprintf(stderr, "cannot create volatile file in %s (%s)\n",
447                         parent, strerror(-rc));
448                 goto free;
449         }
450
451         /* open file, direct io */
452         /* even if the file is only read, WR mode is nedeed to allow
453          * layout swap on fd */
454         fd = open(name, O_RDWR | O_DIRECT);
455         if (fd == -1) {
456                 rc = -errno;
457                 fprintf(stderr, "cannot open %s (%s)\n", name, strerror(-rc));
458                 close(fdv);
459                 goto free;
460         }
461
462         /* Not-owner (root?) special case.
463          * Need to set owner/group of volatile file like original.
464          * This will allow to pass related check during layout_swap.
465          */
466         rc = fstat(fd, &st);
467         if (rc != 0) {
468                 rc = -errno;
469                 fprintf(stderr, "cannot stat %s (%s)\n", name,
470                         strerror(errno));
471                 goto error;
472         }
473         rc = fstat(fdv, &stv);
474         if (rc != 0) {
475                 rc = -errno;
476                 fprintf(stderr, "cannot stat %s (%s)\n", volatile_file,
477                         strerror(errno));
478                 goto error;
479         }
480         if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
481                 rc = fchown(fdv, st.st_uid, st.st_gid);
482                 if (rc != 0) {
483                         rc = -errno;
484                         fprintf(stderr, "cannot chown %s (%s)\n", name,
485                                 strerror(errno));
486                         goto error;
487                 }
488         }
489
490         /* get file data version */
491         rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
492         if (rc != 0) {
493                 fprintf(stderr, "cannot get dataversion on %s (%s)\n",
494                         name, strerror(-rc));
495                 goto error;
496         }
497
498         if (migration_flags & MIGRATION_BLOCKS) {
499                 /* take group lock to limit concurent access
500                  * this will be no more needed when exclusive access will
501                  * be implemented (see LU-2919) */
502                 /* group lock is taken after data version read because it
503                  * blocks data version call */
504                 if (ioctl(fd, LL_IOC_GROUP_LOCK, gid) == -1) {
505                         rc = -errno;
506                         fprintf(stderr, "cannot get group lock on %s (%s)\n",
507                                 name, strerror(-rc));
508                         goto error;
509                 }
510                 have_gl = 1;
511         }
512
513         /* copy data */
514         rpos = 0;
515         wpos = 0;
516         bufoff = 0;
517         rsize = -1;
518         do {
519                 /* read new data only if we have written all
520                  * previously read data */
521                 if (wpos == rpos) {
522                         rsize = read(fd, buf, bufsz);
523                         if (rsize < 0) {
524                                 rc = -errno;
525                                 fprintf(stderr, "read failed on %s"
526                                         " (%s)\n", name,
527                                         strerror(-rc));
528                                 goto error;
529                         }
530                         rpos += rsize;
531                         bufoff = 0;
532                 }
533                 /* eof ? */
534                 if (rsize == 0)
535                         break;
536                 wsize = write(fdv, buf + bufoff, rpos - wpos);
537                 if (wsize < 0) {
538                         rc = -errno;
539                         fprintf(stderr, "write failed on volatile"
540                                 " for %s (%s)\n", name, strerror(-rc));
541                         goto error;
542                 }
543                 wpos += wsize;
544                 bufoff += wsize;
545         } while (1);
546
547         /* flush data */
548         fsync(fdv);
549
550         if (migration_flags & MIGRATION_BLOCKS) {
551                 /* give back group lock */
552                 if (ioctl(fd, LL_IOC_GROUP_UNLOCK, gid) == -1) {
553                         rc = -errno;
554                         fprintf(stderr, "cannot put group lock on %s (%s)\n",
555                                 name, strerror(-rc));
556                 }
557                 have_gl = 0;
558         }
559
560         /* swap layouts
561          * for a migration we need to:
562          * - check data version on file did not change
563          * - keep file mtime
564          * - keep file atime
565          */
566         rc = llapi_fswap_layouts(fd, fdv, dv1, 0,
567                                  SWAP_LAYOUTS_CHECK_DV1 |
568                                  SWAP_LAYOUTS_KEEP_MTIME |
569                                  SWAP_LAYOUTS_KEEP_ATIME);
570         if (rc == -EAGAIN) {
571                 fprintf(stderr, "%s: dataversion changed during copy, "
572                         "migration aborted\n", name);
573                 goto error;
574         }
575         if (rc != 0)
576                 fprintf(stderr, "%s: swap layout to new file failed: %s\n",
577                         name, strerror(-rc));
578
579 error:
580         /* give back group lock */
581         if ((migration_flags & MIGRATION_BLOCKS) && have_gl &&
582             (ioctl(fd, LL_IOC_GROUP_UNLOCK, gid) == -1)) {
583                 /* we keep in rc the original error */
584                 fprintf(stderr, "cannot put group lock on %s (%s)\n",
585                         name, strerror(-errno));
586         }
587
588         close(fdv);
589         close(fd);
590 free:
591         if (lum)
592                 free(lum);
593         if (buf)
594                 free(buf);
595         return rc;
596 }
597
598 /* functions */
599 static int lfs_setstripe(int argc, char **argv)
600 {
601         char                    *fname;
602         int                      result;
603         unsigned long long       st_size;
604         int                      st_offset, st_count;
605         char                    *end;
606         int                      c;
607         int                      delete = 0;
608         char                    *stripe_size_arg = NULL;
609         char                    *stripe_off_arg = NULL;
610         char                    *stripe_count_arg = NULL;
611         char                    *pool_name_arg = NULL;
612         unsigned long long       size_units = 1;
613         int                      migrate_mode = 0;
614         __u64                    migration_flags = 0;
615
616         struct option            long_opts[] = {
617                 /* valid only in migrate mode */
618                 {"block",        no_argument,       0, 'b'},
619 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
620                 /* This formerly implied "stripe-count", but was explicitly
621                  * made "stripe-count" for consistency with other options,
622                  * and to separate it from "mdt-count" when DNE arrives. */
623                 {"count",        required_argument, 0, 'c'},
624 #endif
625                 {"stripe-count", required_argument, 0, 'c'},
626                 {"stripe_count", required_argument, 0, 'c'},
627                 {"delete",       no_argument,       0, 'd'},
628 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
629                 /* This formerly implied "stripe-index", but was explicitly
630                  * made "stripe-index" for consistency with other options,
631                  * and to separate it from "mdt-index" when DNE arrives. */
632                 {"index",        required_argument, 0, 'i'},
633 #endif
634                 {"stripe-index", required_argument, 0, 'i'},
635                 {"stripe_index", required_argument, 0, 'i'},
636 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
637                 /* This formerly implied "stripe-index", but was confusing
638                  * with "file offset" (which will eventually be needed for
639                  * with different layouts by offset), so deprecate it. */
640                 {"offset",       required_argument, 0, 'o'},
641 #endif
642                 {"pool",         required_argument, 0, 'p'},
643 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
644                 /* This formerly implied "--stripe-size", but was confusing
645                  * with "lfs find --size|-s", which means "file size", so use
646                  * the consistent "--stripe-size|-S" for all commands. */
647                 {"size",         required_argument, 0, 's'},
648 #endif
649                 {"stripe-size",  required_argument, 0, 'S'},
650                 {"stripe_size",  required_argument, 0, 'S'},
651                 {0, 0, 0, 0}
652         };
653
654         st_size = 0;
655         st_offset = -1;
656         st_count = 0;
657
658         if (strcmp(argv[0], "migrate") == 0)
659                 migrate_mode = 1;
660
661         optind = 0;
662         while ((c = getopt_long(argc, argv, "c:di:o:p:s:S:",
663                                 long_opts, NULL)) >= 0) {
664                 switch (c) {
665                 case 0:
666                         /* Long options. */
667                         break;
668                 case 'b':
669                         if (migrate_mode == 0) {
670                                 fprintf(stderr, "--block is valid only for"
671                                                 " migrate mode");
672                                 return CMD_HELP;
673                         }
674                         migration_flags |= MIGRATION_BLOCKS;
675                         break;
676                 case 'c':
677 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
678                         if (strcmp(argv[optind - 1], "--count") == 0)
679                                 fprintf(stderr, "warning: '--count' deprecated"
680                                         ", use '--stripe-count' instead\n");
681 #endif
682                         stripe_count_arg = optarg;
683                         break;
684                 case 'd':
685                         /* delete the default striping pattern */
686                         delete = 1;
687                         break;
688 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
689                 case 'o':
690                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
691                                 "use '--stripe-index|-i' instead\n");
692 #endif
693                 case 'i':
694 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
695                         if (strcmp(argv[optind - 1], "--index") == 0)
696                                 fprintf(stderr, "warning: '--index' deprecated"
697                                         ", use '--stripe-index' instead\n");
698 #endif
699                         stripe_off_arg = optarg;
700                         break;
701 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
702                 case 's':
703 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
704                         fprintf(stderr, "warning: '--size|-s' deprecated, "
705                                 "use '--stripe-size|-S' instead\n");
706 #endif
707 #endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0) */
708                 case 'S':
709                         stripe_size_arg = optarg;
710                         break;
711                 case 'p':
712                         pool_name_arg = optarg;
713                         break;
714                 default:
715                         return CMD_HELP;
716                 }
717         }
718
719         fname = argv[optind];
720
721         if (delete &&
722             (stripe_size_arg != NULL || stripe_off_arg != NULL ||
723              stripe_count_arg != NULL || pool_name_arg != NULL)) {
724                 fprintf(stderr, "error: %s: cannot specify -d with "
725                         "-s, -c, -o, or -p options\n",
726                         argv[0]);
727                 return CMD_HELP;
728         }
729
730         if (optind == argc) {
731                 fprintf(stderr, "error: %s: missing filename|dirname\n",
732                         argv[0]);
733                 return CMD_HELP;
734         }
735
736         /* get the stripe size */
737         if (stripe_size_arg != NULL) {
738                 result = llapi_parse_size(stripe_size_arg, &st_size,
739                                           &size_units, 0);
740                 if (result) {
741                         fprintf(stderr, "error: %s: bad stripe size '%s'\n",
742                                 argv[0], stripe_size_arg);
743                         return result;
744                 }
745         }
746         /* get the stripe offset */
747         if (stripe_off_arg != NULL) {
748                 st_offset = strtol(stripe_off_arg, &end, 0);
749                 if (*end != '\0') {
750                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
751                                 argv[0], stripe_off_arg);
752                         return CMD_HELP;
753                 }
754         }
755         /* get the stripe count */
756         if (stripe_count_arg != NULL) {
757                 st_count = strtoul(stripe_count_arg, &end, 0);
758                 if (*end != '\0') {
759                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
760                                 argv[0], stripe_count_arg);
761                         return CMD_HELP;
762                 }
763         }
764
765         do {
766                 if (migrate_mode)
767                         result = lfs_migrate(fname, st_size, st_offset,
768                                              st_count, 0, pool_name_arg,
769                                              migration_flags);
770                 else
771                         result = llapi_file_create_pool(fname, st_size,
772                                                         st_offset, st_count,
773                                                         0, pool_name_arg);
774                 if (result) {
775                         fprintf(stderr,
776                                 "error: %s: %s stripe file '%s' failed\n",
777                                 argv[0], migrate_mode ? "migrate" : "create",
778                                 fname);
779                         break;
780                 }
781                 fname = argv[++optind];
782         } while (fname != NULL);
783
784         return result;
785 }
786
787 static int lfs_poollist(int argc, char **argv)
788 {
789         if (argc != 2)
790                 return CMD_HELP;
791
792         return llapi_poollist(argv[1]);
793 }
794
795 static int set_time(time_t *time, time_t *set, char *str)
796 {
797         time_t t;
798         int res = 0;
799
800         if (str[0] == '+')
801                 res = 1;
802         else if (str[0] == '-')
803                 res = -1;
804
805         if (res)
806                 str++;
807
808         t = strtol(str, NULL, 0);
809         if (*time < t * 24 * 60 * 60) {
810                 if (res)
811                         str--;
812                 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
813                 return INT_MAX;
814         }
815
816         *set = *time - t * 24 * 60 * 60;
817         return res;
818 }
819
820 #define USER 0
821 #define GROUP 1
822
823 static int name2id(unsigned int *id, char *name, int type)
824 {
825         if (type == USER) {
826                 struct passwd *entry;
827
828                 if (!(entry = getpwnam(name))) {
829                         if (!errno)
830                                 errno = ENOENT;
831                         return -1;
832                 }
833
834                 *id = entry->pw_uid;
835         } else {
836                 struct group *entry;
837
838                 if (!(entry = getgrnam(name))) {
839                         if (!errno)
840                                 errno = ENOENT;
841                         return -1;
842                 }
843
844                 *id = entry->gr_gid;
845         }
846
847         return 0;
848 }
849
850 static int id2name(char **name, unsigned int id, int type)
851 {
852         if (type == USER) {
853                 struct passwd *entry;
854
855                 if (!(entry = getpwuid(id))) {
856                         if (!errno)
857                                 errno = ENOENT;
858                         return -1;
859                 }
860
861                 *name = entry->pw_name;
862         } else {
863                 struct group *entry;
864
865                 if (!(entry = getgrgid(id))) {
866                         if (!errno)
867                                 errno = ENOENT;
868                         return -1;
869                 }
870
871                 *name = entry->gr_name;
872         }
873
874         return 0;
875 }
876
877 static int name2layout(__u32 *layout, char *name)
878 {
879         char *ptr, *lyt;
880
881         *layout = 0;
882         for (ptr = name; ; ptr = NULL) {
883                 lyt = strtok(ptr, ",");
884                 if (lyt == NULL)
885                         break;
886                 if (strcmp(lyt, "released") == 0)
887                         *layout |= LOV_PATTERN_F_RELEASED;
888                 else if (strcmp(lyt, "raid0") == 0)
889                         *layout |= LOV_PATTERN_RAID0;
890                 else
891                         return -1;
892         }
893         return 0;
894 }
895
896 #define FIND_POOL_OPT 3
897 static int lfs_find(int argc, char **argv)
898 {
899         int c, rc;
900         int ret = 0;
901         time_t t;
902         struct find_param param = {
903                 .fp_max_depth = -1,
904                 .quiet = 1,
905         };
906         struct option long_opts[] = {
907                 {"atime",        required_argument, 0, 'A'},
908                 {"stripe-count", required_argument, 0, 'c'},
909                 {"stripe_count", required_argument, 0, 'c'},
910                 {"ctime",        required_argument, 0, 'C'},
911                 {"maxdepth",     required_argument, 0, 'D'},
912                 {"gid",          required_argument, 0, 'g'},
913                 {"group",        required_argument, 0, 'G'},
914                 {"stripe-index", required_argument, 0, 'i'},
915                 {"stripe_index", required_argument, 0, 'i'},
916                 {"layout",       required_argument, 0, 'L'},
917                 {"mdt",          required_argument, 0, 'm'},
918                 {"mtime",        required_argument, 0, 'M'},
919                 {"name",         required_argument, 0, 'n'},
920      /* reserve {"or",           no_argument,     , 0, 'o'}, to match find(1) */
921                 {"obd",          required_argument, 0, 'O'},
922                 {"ost",          required_argument, 0, 'O'},
923                 /* no short option for pool, p/P already used */
924                 {"pool",         required_argument, 0, FIND_POOL_OPT},
925                 {"print0",       no_argument,       0, 'p'},
926                 {"print",        no_argument,       0, 'P'},
927                 {"size",         required_argument, 0, 's'},
928                 {"stripe-size",  required_argument, 0, 'S'},
929                 {"stripe_size",  required_argument, 0, 'S'},
930                 {"type",         required_argument, 0, 't'},
931                 {"uid",          required_argument, 0, 'u'},
932                 {"user",         required_argument, 0, 'U'},
933                 {0, 0, 0, 0}
934         };
935         int pathstart = -1;
936         int pathend = -1;
937         int neg_opt = 0;
938         time_t *xtime;
939         int *xsign;
940         int isoption;
941         char *endptr;
942
943         time(&t);
944
945         optind = 0;
946         /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
947         while ((c = getopt_long_only(argc, argv,
948                                      "-A:c:C:D:g:G:i:L:m:M:n:O:Ppqrs:S:t:u:U:v",
949                                      long_opts, NULL)) >= 0) {
950                 xtime = NULL;
951                 xsign = NULL;
952                 if (neg_opt)
953                         --neg_opt;
954                 /* '!' is part of option */
955                 /* when getopt_long_only() finds a string which is not
956                  * an option nor a known option argument it returns 1
957                  * in that case if we already have found pathstart and pathend
958                  * (i.e. we have the list of pathnames),
959                  * the only supported value is "!"
960                  */
961                 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
962                 if (!isoption && pathend != -1) {
963                         fprintf(stderr, "err: %s: filename|dirname must either "
964                                         "precede options or follow options\n",
965                                         argv[0]);
966                         ret = CMD_HELP;
967                         goto err;
968                 }
969                 if (!isoption && pathstart == -1)
970                         pathstart = optind - 1;
971                 if (isoption && pathstart != -1 && pathend == -1)
972                         pathend = optind - 2;
973                 switch (c) {
974                 case 0:
975                         /* Long options. */
976                         break;
977                 case 1:
978                         /* unknown; opt is "!" or path component,
979                          * checking done above.
980                          */
981                         if (strcmp(optarg, "!") == 0)
982                                 neg_opt = 2;
983                         break;
984                 case 'A':
985                         xtime = &param.fp_atime;
986                         xsign = &param.fp_asign;
987                         param.fp_exclude_atime = !!neg_opt;
988                         /* no break, this falls through to 'C' for ctime */
989                 case 'C':
990                         if (c == 'C') {
991                                 xtime = &param.fp_ctime;
992                                 xsign = &param.fp_csign;
993                                 param.fp_exclude_ctime = !!neg_opt;
994                         }
995                         /* no break, this falls through to 'M' for mtime */
996                 case 'M':
997                         if (c == 'M') {
998                                 xtime = &param.fp_mtime;
999                                 xsign = &param.fp_msign;
1000                                 param.fp_exclude_mtime = !!neg_opt;
1001                         }
1002                         rc = set_time(&t, xtime, optarg);
1003                         if (rc == INT_MAX) {
1004                                 ret = -1;
1005                                 goto err;
1006                         }
1007                         if (rc)
1008                                 *xsign = rc;
1009                         break;
1010                 case 'c':
1011                         if (optarg[0] == '+') {
1012                                 param.stripecount_sign = -1;
1013                                 optarg++;
1014                         } else if (optarg[0] == '-') {
1015                                 param.stripecount_sign =  1;
1016                                 optarg++;
1017                         }
1018
1019                         param.stripecount = strtoul(optarg, &endptr, 0);
1020                         if (*endptr != '\0') {
1021                                 fprintf(stderr,"error: bad stripe_count '%s'\n",
1022                                         optarg);
1023                                 ret = -1;
1024                                 goto err;
1025                         }
1026                         param.check_stripecount = 1;
1027                         param.exclude_stripecount = !!neg_opt;
1028                         break;
1029                 case 'D':
1030                         param.fp_max_depth = strtol(optarg, 0, 0);
1031                         break;
1032                 case 'g':
1033                 case 'G':
1034                         rc = name2id(&param.fp_gid, optarg, GROUP);
1035                         if (rc) {
1036                                 param.fp_gid = strtoul(optarg, &endptr, 10);
1037                                 if (*endptr != '\0') {
1038                                         fprintf(stderr, "Group/GID: %s cannot "
1039                                                 "be found.\n", optarg);
1040                                         ret = -1;
1041                                         goto err;
1042                                 }
1043                         }
1044                         param.fp_exclude_gid = !!neg_opt;
1045                         param.fp_check_gid = 1;
1046                         break;
1047                 case 'L':
1048                         ret = name2layout(&param.layout, optarg);
1049                         if (ret)
1050                                 goto err;
1051                         param.exclude_layout = !!neg_opt;
1052                         param.check_layout = 1;
1053                         break;
1054                 case 'u':
1055                 case 'U':
1056                         rc = name2id(&param.fp_uid, optarg, USER);
1057                         if (rc) {
1058                                 param.fp_uid = strtoul(optarg, &endptr, 10);
1059                                 if (*endptr != '\0') {
1060                                         fprintf(stderr, "User/UID: %s cannot "
1061                                                 "be found.\n", optarg);
1062                                         ret = -1;
1063                                         goto err;
1064                                 }
1065                         }
1066                         param.fp_exclude_uid = !!neg_opt;
1067                         param.fp_check_uid = 1;
1068                         break;
1069                 case FIND_POOL_OPT:
1070                         if (strlen(optarg) > LOV_MAXPOOLNAME) {
1071                                 fprintf(stderr,
1072                                         "Pool name %s is too long"
1073                                         " (max is %d)\n", optarg,
1074                                         LOV_MAXPOOLNAME);
1075                                 ret = -1;
1076                                 goto err;
1077                         }
1078                         /* we do check for empty pool because empty pool
1079                          * is used to find V1 lov attributes */
1080                         strncpy(param.poolname, optarg, LOV_MAXPOOLNAME);
1081                         param.poolname[LOV_MAXPOOLNAME] = '\0';
1082                         param.exclude_pool = !!neg_opt;
1083                         param.check_pool = 1;
1084                         break;
1085                 case 'n':
1086                         param.pattern = (char *)optarg;
1087                         param.exclude_pattern = !!neg_opt;
1088                         break;
1089                 case 'm':
1090                 case 'i':
1091                 case 'O': {
1092                         char *buf, *token, *next, *p;
1093                         int len = 1;
1094                         void *tmp;
1095
1096                         buf = strdup(optarg);
1097                         if (buf == NULL) {
1098                                 ret = -ENOMEM;
1099                                 goto err;
1100                         }
1101
1102                         param.exclude_obd = !!neg_opt;
1103
1104                         token = buf;
1105                         while (token && *token) {
1106                                 token = strchr(token, ',');
1107                                 if (token) {
1108                                         len++;
1109                                         token++;
1110                                 }
1111                         }
1112                         if (c == 'm') {
1113                                 param.exclude_mdt = !!neg_opt;
1114                                 param.num_alloc_mdts += len;
1115                                 tmp = realloc(param.mdtuuid,
1116                                               param.num_alloc_mdts *
1117                                               sizeof(*param.mdtuuid));
1118                                 if (tmp == NULL)
1119                                         GOTO(err_free, ret = -ENOMEM);
1120                                 param.mdtuuid = tmp;
1121                         } else {
1122                                 param.exclude_obd = !!neg_opt;
1123                                 param.num_alloc_obds += len;
1124                                 tmp = realloc(param.obduuid,
1125                                               param.num_alloc_obds *
1126                                               sizeof(*param.obduuid));
1127                                 if (tmp == NULL)
1128                                         GOTO(err_free, ret = -ENOMEM);
1129                                 param.obduuid = tmp;
1130                         }
1131                         for (token = buf; token && *token; token = next) {
1132                                 struct obd_uuid *puuid;
1133                                 if (c == 'm') {
1134                                         puuid =
1135                                           &param.mdtuuid[param.num_mdts++];
1136                                 } else {
1137                                         puuid =
1138                                           &param.obduuid[param.num_obds++];
1139                                 }
1140                                 p = strchr(token, ',');
1141                                 next = 0;
1142                                 if (p) {
1143                                         *p = 0;
1144                                         next = p+1;
1145                                 }
1146                                 if (strlen(token) > sizeof(puuid->uuid)-1)
1147                                         GOTO(err_free, ret = -E2BIG);
1148                                 strncpy(puuid->uuid, token,
1149                                         sizeof(puuid->uuid));
1150                         }
1151 err_free:
1152                         if (buf)
1153                                 free(buf);
1154                         break;
1155                 }
1156                 case 'p':
1157                         param.zeroend = 1;
1158                         break;
1159                 case 'P':
1160                         break;
1161                 case 's':
1162                         if (optarg[0] == '+') {
1163                                 param.size_sign = -1;
1164                                 optarg++;
1165                         } else if (optarg[0] == '-') {
1166                                 param.size_sign =  1;
1167                                 optarg++;
1168                         }
1169
1170                         ret = llapi_parse_size(optarg, &param.size,
1171                                                &param.size_units, 0);
1172                         if (ret) {
1173                                 fprintf(stderr, "error: bad file size '%s'\n",
1174                                         optarg);
1175                                 goto err;
1176                         }
1177                         param.check_size = 1;
1178                         param.exclude_size = !!neg_opt;
1179                         break;
1180                 case 'S':
1181                         if (optarg[0] == '+') {
1182                                 param.stripesize_sign = -1;
1183                                 optarg++;
1184                         } else if (optarg[0] == '-') {
1185                                 param.stripesize_sign =  1;
1186                                 optarg++;
1187                         }
1188
1189                         ret = llapi_parse_size(optarg, &param.stripesize,
1190                                                &param.stripesize_units, 0);
1191                         if (ret) {
1192                                 fprintf(stderr, "error: bad stripe_size '%s'\n",
1193                                         optarg);
1194                                 goto err;
1195                         }
1196                         param.check_stripesize = 1;
1197                         param.exclude_stripesize = !!neg_opt;
1198                         break;
1199                 case 't':
1200                         param.fp_exclude_type = !!neg_opt;
1201                         switch (optarg[0]) {
1202                         case 'b':
1203                                 param.fp_type = S_IFBLK;
1204                                 break;
1205                         case 'c':
1206                                 param.fp_type = S_IFCHR;
1207                                 break;
1208                         case 'd':
1209                                 param.fp_type = S_IFDIR;
1210                                 break;
1211                         case 'f':
1212                                 param.fp_type = S_IFREG;
1213                                 break;
1214                         case 'l':
1215                                 param.fp_type = S_IFLNK;
1216                                 break;
1217                         case 'p':
1218                                 param.fp_type = S_IFIFO;
1219                                 break;
1220                         case 's':
1221                                 param.fp_type = S_IFSOCK;
1222                                 break;
1223                         default:
1224                                 fprintf(stderr, "error: %s: bad type '%s'\n",
1225                                         argv[0], optarg);
1226                                 ret = CMD_HELP;
1227                                 goto err;
1228                         };
1229                         break;
1230                 default:
1231                         ret = CMD_HELP;
1232                         goto err;
1233                 };
1234         }
1235
1236         if (pathstart == -1) {
1237                 fprintf(stderr, "error: %s: no filename|pathname\n",
1238                         argv[0]);
1239                 ret = CMD_HELP;
1240                 goto err;
1241         } else if (pathend == -1) {
1242                 /* no options */
1243                 pathend = argc;
1244         }
1245
1246         do {
1247                 rc = llapi_find(argv[pathstart], &param);
1248                 if (rc != 0 && ret == 0)
1249                         ret = rc;
1250         } while (++pathstart < pathend);
1251
1252         if (ret)
1253                 fprintf(stderr, "error: %s failed for %s.\n",
1254                         argv[0], argv[optind - 1]);
1255 err:
1256         if (param.obduuid && param.num_alloc_obds)
1257                 free(param.obduuid);
1258
1259         if (param.mdtuuid && param.num_alloc_mdts)
1260                 free(param.mdtuuid);
1261
1262         return ret;
1263 }
1264
1265 static int lfs_getstripe_internal(int argc, char **argv,
1266                                   struct find_param *param)
1267 {
1268         struct option long_opts[] = {
1269 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1270                 /* This formerly implied "stripe-count", but was explicitly
1271                  * made "stripe-count" for consistency with other options,
1272                  * and to separate it from "mdt-count" when DNE arrives. */
1273                 {"count",               no_argument,            0, 'c'},
1274 #endif
1275                 {"stripe-count",        no_argument,            0, 'c'},
1276                 {"stripe_count",        no_argument,            0, 'c'},
1277                 {"directory",           no_argument,            0, 'd'},
1278                 {"default",             no_argument,            0, 'D'},
1279                 {"generation",          no_argument,            0, 'g'},
1280 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1281                 /* This formerly implied "stripe-index", but was explicitly
1282                  * made "stripe-index" for consistency with other options,
1283                  * and to separate it from "mdt-index" when DNE arrives. */
1284                 {"index",               no_argument,            0, 'i'},
1285 #endif
1286                 {"stripe-index",        no_argument,            0, 'i'},
1287                 {"stripe_index",        no_argument,            0, 'i'},
1288                 {"layout",              no_argument,            0, 'L'},
1289                 {"mdt-index",           no_argument,            0, 'M'},
1290                 {"mdt_index",           no_argument,            0, 'M'},
1291 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1292                 /* This formerly implied "stripe-index", but was confusing
1293                  * with "file offset" (which will eventually be needed for
1294                  * with different layouts by offset), so deprecate it. */
1295                 {"offset",              no_argument,            0, 'o'},
1296 #endif
1297                 {"obd",                 required_argument,      0, 'O'},
1298                 {"ost",                 required_argument,      0, 'O'},
1299                 {"pool",                no_argument,            0, 'p'},
1300                 {"quiet",               no_argument,            0, 'q'},
1301                 {"recursive",           no_argument,            0, 'r'},
1302                 {"raw",                 no_argument,            0, 'R'},
1303 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1304                 /* This formerly implied "--stripe-size", but was confusing
1305                  * with "lfs find --size|-s", which means "file size", so use
1306                  * the consistent "--stripe-size|-S" for all commands. */
1307                 {"size",                no_argument,            0, 's'},
1308 #endif
1309                 {"stripe-size",         no_argument,            0, 'S'},
1310                 {"stripe_size",         no_argument,            0, 'S'},
1311                 {"verbose",             no_argument,            0, 'v'},
1312                 {0, 0, 0, 0}
1313         };
1314         int c, rc;
1315
1316         param->fp_max_depth = 1;
1317         optind = 0;
1318         while ((c = getopt_long(argc, argv, "cdDghiLMoO:pqrRsSv",
1319                                 long_opts, NULL)) != -1) {
1320                 switch (c) {
1321                 case 'O':
1322                         if (param->obduuid) {
1323                                 fprintf(stderr,
1324                                         "error: %s: only one obduuid allowed",
1325                                         argv[0]);
1326                                 return CMD_HELP;
1327                         }
1328                         param->obduuid = (struct obd_uuid *)optarg;
1329                         break;
1330                 case 'q':
1331                         param->quiet++;
1332                         break;
1333                 case 'd':
1334                         param->fp_max_depth = 0;
1335                         break;
1336                 case 'D':
1337                         param->get_default_lmv = 1;
1338                         break;
1339                 case 'r':
1340                         param->recursive = 1;
1341                         break;
1342                 case 'v':
1343                         param->verbose = VERBOSE_ALL | VERBOSE_DETAIL;
1344                         break;
1345                 case 'c':
1346 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
1347                         if (strcmp(argv[optind - 1], "--count") == 0)
1348                                 fprintf(stderr, "warning: '--count' deprecated,"
1349                                         " use '--stripe-count' instead\n");
1350 #endif
1351                         if (!(param->verbose & VERBOSE_DETAIL)) {
1352                                 param->verbose |= VERBOSE_COUNT;
1353                                 param->fp_max_depth = 0;
1354                         }
1355                         break;
1356 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1357                 case 's':
1358 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
1359                         fprintf(stderr, "warning: '--size|-s' deprecated, "
1360                                 "use '--stripe-size|-S' instead\n");
1361 #endif
1362 #endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0) */
1363                 case 'S':
1364                         if (!(param->verbose & VERBOSE_DETAIL)) {
1365                                 param->verbose |= VERBOSE_SIZE;
1366                                 param->fp_max_depth = 0;
1367                         }
1368                         break;
1369 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 53, 0)
1370                 case 'o':
1371                         fprintf(stderr, "warning: '--offset|-o' deprecated, "
1372                                 "use '--stripe-index|-i' instead\n");
1373 #endif
1374                 case 'i':
1375 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
1376                         if (strcmp(argv[optind - 1], "--index") == 0)
1377                                 fprintf(stderr, "warning: '--index' deprecated"
1378                                         ", use '--stripe-index' instead\n");
1379 #endif
1380                         if (!(param->verbose & VERBOSE_DETAIL)) {
1381                                 param->verbose |= VERBOSE_OFFSET;
1382                                 param->fp_max_depth = 0;
1383                         }
1384                         break;
1385                 case 'p':
1386                         if (!(param->verbose & VERBOSE_DETAIL)) {
1387                                 param->verbose |= VERBOSE_POOL;
1388                                 param->fp_max_depth = 0;
1389                         }
1390                         break;
1391                 case 'g':
1392                         if (!(param->verbose & VERBOSE_DETAIL)) {
1393                                 param->verbose |= VERBOSE_GENERATION;
1394                                 param->fp_max_depth = 0;
1395                         }
1396                         break;
1397                 case 'L':
1398                         if (!(param->verbose & VERBOSE_DETAIL)) {
1399                                 param->verbose |= VERBOSE_LAYOUT;
1400                                 param->fp_max_depth = 0;
1401                         }
1402                         break;
1403                 case 'M':
1404                         if (!(param->verbose & VERBOSE_DETAIL))
1405                                 param->fp_max_depth = 0;
1406                         param->verbose |= VERBOSE_MDTINDEX;
1407                         break;
1408                 case 'R':
1409                         param->raw = 1;
1410                         break;
1411                 default:
1412                         return CMD_HELP;
1413                 }
1414         }
1415
1416         if (optind >= argc)
1417                 return CMD_HELP;
1418
1419         if (param->recursive)
1420                 param->fp_max_depth = -1;
1421
1422         if (!param->verbose)
1423                 param->verbose = VERBOSE_ALL;
1424         if (param->quiet)
1425                 param->verbose = VERBOSE_OBJID;
1426
1427         do {
1428                 rc = llapi_getstripe(argv[optind], param);
1429         } while (++optind < argc && !rc);
1430
1431         if (rc)
1432                 fprintf(stderr, "error: %s failed for %s.\n",
1433                         argv[0], argv[optind - 1]);
1434         return rc;
1435 }
1436
1437 static int lfs_tgts(int argc, char **argv)
1438 {
1439         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1440         struct find_param param;
1441         int index = 0, rc=0;
1442
1443         if (argc > 2)
1444                 return CMD_HELP;
1445
1446         if (argc == 2 && !realpath(argv[1], path)) {
1447                 rc = -errno;
1448                 fprintf(stderr, "error: invalid path '%s': %s\n",
1449                         argv[1], strerror(-rc));
1450                 return rc;
1451         }
1452
1453         while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
1454                 /* Check if we have a mount point */
1455                 if (mntdir[0] == '\0')
1456                         continue;
1457
1458                 memset(&param, 0, sizeof(param));
1459                 if (!strcmp(argv[0], "mdts"))
1460                         param.get_lmv = 1;
1461
1462                 rc = llapi_ostlist(mntdir, &param);
1463                 if (rc) {
1464                         fprintf(stderr, "error: %s: failed on %s\n",
1465                                 argv[0], mntdir);
1466                 }
1467                 if (path[0] != '\0')
1468                         break;
1469                 memset(mntdir, 0, PATH_MAX);
1470         }
1471
1472         return rc;
1473 }
1474
1475 static int lfs_getstripe(int argc, char **argv)
1476 {
1477         struct find_param param = { 0 };
1478         return lfs_getstripe_internal(argc, argv, &param);
1479 }
1480
1481 /* functions */
1482 static int lfs_getdirstripe(int argc, char **argv)
1483 {
1484         struct find_param param = { 0 };
1485
1486         param.get_lmv = 1;
1487         return lfs_getstripe_internal(argc, argv, &param);
1488 }
1489
1490 /* functions */
1491 static int lfs_setdirstripe(int argc, char **argv)
1492 {
1493         char                    *dname;
1494         int                     result;
1495         unsigned int            stripe_offset = -1;
1496         unsigned int            stripe_count = 1;
1497         enum lmv_hash_type      hash_type;
1498         char                    *end;
1499         int                     c;
1500         char                    *stripe_offset_opt = NULL;
1501         char                    *stripe_count_opt = NULL;
1502         char                    *stripe_hash_opt = NULL;
1503         char                    *mode_opt = NULL;
1504         int                     default_stripe = 0;
1505         mode_t                  mode = S_IRWXU | S_IRWXG | S_IRWXO;
1506         mode_t                  previous_mode = 0;
1507
1508         struct option long_opts[] = {
1509                 {"count",       required_argument, 0, 'c'},
1510                 {"index",       required_argument, 0, 'i'},
1511                 {"mode",        required_argument, 0, 'm'},
1512                 {"hash-type",   required_argument, 0, 't'},
1513                 {"default_stripe", no_argument, 0, 'D'},
1514                 {0, 0, 0, 0}
1515         };
1516
1517         optind = 0;
1518
1519         while ((c = getopt_long(argc, argv, "c:Di:m:t:", long_opts,
1520                                 NULL)) >= 0) {
1521                 switch (c) {
1522                 case 0:
1523                         /* Long options. */
1524                         break;
1525                 case 'c':
1526                         stripe_count_opt = optarg;
1527                         break;
1528                 case 'D':
1529                         default_stripe = 1;
1530                         break;
1531                 case 'i':
1532                         stripe_offset_opt = optarg;
1533                         break;
1534                 case 'm':
1535                         mode_opt = optarg;
1536                         break;
1537                 case 't':
1538                         stripe_hash_opt = optarg;
1539                         break;
1540                 default:
1541                         fprintf(stderr, "error: %s: option '%s' "
1542                                         "unrecognized\n",
1543                                         argv[0], argv[optind - 1]);
1544                         return CMD_HELP;
1545                 }
1546         }
1547
1548         if (optind == argc) {
1549                 fprintf(stderr, "error: %s: missing dirname\n",
1550                         argv[0]);
1551                 return CMD_HELP;
1552         }
1553
1554         if (stripe_offset_opt == NULL && stripe_count_opt == NULL) {
1555                 fprintf(stderr, "error: %s: missing stripe offset and count.\n",
1556                         argv[0]);
1557                 return CMD_HELP;
1558         }
1559
1560         if (stripe_offset_opt != NULL) {
1561                 /* get the stripe offset */
1562                 stripe_offset = strtoul(stripe_offset_opt, &end, 0);
1563                 if (*end != '\0') {
1564                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
1565                                 argv[0], stripe_offset_opt);
1566                         return CMD_HELP;
1567                 }
1568         }
1569
1570         if (mode_opt != NULL) {
1571                 mode = strtoul(mode_opt, &end, 8);
1572                 if (*end != '\0') {
1573                         fprintf(stderr, "error: %s: bad mode '%s'\n",
1574                                 argv[0], mode_opt);
1575                         return CMD_HELP;
1576                 }
1577                 previous_mode = umask(0);
1578         }
1579
1580         if (stripe_hash_opt == NULL ||
1581             strcmp(stripe_hash_opt, LMV_HASH_NAME_FNV_1A_64) == 0) {
1582                 hash_type = LMV_HASH_TYPE_FNV_1A_64;
1583         } else if (strcmp(stripe_hash_opt, LMV_HASH_NAME_ALL_CHARS) == 0) {
1584                 hash_type = LMV_HASH_TYPE_ALL_CHARS;
1585         } else {
1586                 fprintf(stderr, "error: %s: bad stripe hash type '%s'\n",
1587                         argv[0], stripe_hash_opt);
1588                 return CMD_HELP;
1589         }
1590
1591         /* get the stripe count */
1592         if (stripe_count_opt != NULL) {
1593                 stripe_count = strtoul(stripe_count_opt, &end, 0);
1594                 if (*end != '\0') {
1595                         fprintf(stderr, "error: %s: bad stripe count '%s'\n",
1596                                 argv[0], stripe_count_opt);
1597                         return CMD_HELP;
1598                 }
1599         }
1600
1601         dname = argv[optind];
1602         do {
1603                 if (default_stripe == 1) {
1604                         result = llapi_dir_set_default_lmv_stripe(dname,
1605                                                     stripe_offset, stripe_count,
1606                                                     hash_type, NULL);
1607                 } else {
1608                         result = llapi_dir_create_pool(dname, mode,
1609                                                        stripe_offset,
1610                                                        stripe_count, hash_type,
1611                                                        NULL);
1612                 }
1613
1614                 if (result) {
1615                         fprintf(stderr, "error: %s: create stripe dir '%s' "
1616                                 "failed\n", argv[0], dname);
1617                         break;
1618                 }
1619                 dname = argv[++optind];
1620         } while (dname != NULL);
1621
1622         if (mode_opt != NULL)
1623                 umask(previous_mode);
1624
1625         return result;
1626 }
1627
1628 /* functions */
1629 static int lfs_rmentry(int argc, char **argv)
1630 {
1631         char *dname;
1632         int   index;
1633         int   result = 0;
1634
1635         if (argc <= 1) {
1636                 fprintf(stderr, "error: %s: missing dirname\n",
1637                         argv[0]);
1638                 return CMD_HELP;
1639         }
1640
1641         index = 1;
1642         dname = argv[index];
1643         while (dname != NULL) {
1644                 result = llapi_direntry_remove(dname);
1645                 if (result) {
1646                         fprintf(stderr, "error: %s: remove dir entry '%s' "
1647                                 "failed\n", argv[0], dname);
1648                         break;
1649                 }
1650                 dname = argv[++index];
1651         }
1652         return result;
1653 }
1654
1655 static int lfs_mv(int argc, char **argv)
1656 {
1657         struct  find_param param = {
1658                 .fp_max_depth = -1,
1659                 .mdtindex = -1,
1660         };
1661         char   *end;
1662         int     c;
1663         int     rc = 0;
1664         struct option long_opts[] = {
1665                 {"--mdt-index", required_argument, 0, 'M'},
1666                 {"verbose",     no_argument,       0, 'v'},
1667                 {0, 0, 0, 0}
1668         };
1669
1670         while ((c = getopt_long(argc, argv, "M:v", long_opts, NULL)) != -1) {
1671                 switch (c) {
1672                 case 'M': {
1673                         param.mdtindex = strtoul(optarg, &end, 0);
1674                         if (*end != '\0') {
1675                                 fprintf(stderr, "%s: invalid MDT index'%s'\n",
1676                                         argv[0], optarg);
1677                                 return CMD_HELP;
1678                         }
1679                         break;
1680                 }
1681                 case 'v': {
1682                         param.verbose = VERBOSE_DETAIL;
1683                         break;
1684                 }
1685                 default:
1686                         fprintf(stderr, "error: %s: unrecognized option '%s'\n",
1687                                 argv[0], argv[optind - 1]);
1688                         return CMD_HELP;
1689                 }
1690         }
1691
1692         if (param.mdtindex == -1) {
1693                 fprintf(stderr, "%s MDT index must be indicated\n", argv[0]);
1694                 return CMD_HELP;
1695         }
1696
1697         if (optind >= argc) {
1698                 fprintf(stderr, "%s missing operand path\n", argv[0]);
1699                 return CMD_HELP;
1700         }
1701
1702         param.migrate = 1;
1703         rc = llapi_mv(argv[optind], &param);
1704         if (rc != 0)
1705                 fprintf(stderr, "cannot migrate '%s' to MDT%04x: %s\n",
1706                         argv[optind], param.mdtindex, strerror(-rc));
1707         return rc;
1708 }
1709
1710 static int lfs_osts(int argc, char **argv)
1711 {
1712         return lfs_tgts(argc, argv);
1713 }
1714
1715 static int lfs_mdts(int argc, char **argv)
1716 {
1717         return lfs_tgts(argc, argv);
1718 }
1719
1720 #define COOK(value)                                                     \
1721 ({                                                                      \
1722         int radix = 0;                                                  \
1723         while (value > 1024) {                                          \
1724                 value /= 1024;                                          \
1725                 radix++;                                                \
1726         }                                                               \
1727         radix;                                                          \
1728 })
1729 #define UUF     "%-20s"
1730 #define CSF     "%11s"
1731 #define CDF     "%11llu"
1732 #define HDF     "%8.1f%c"
1733 #define RSF     "%4s"
1734 #define RDF     "%3d%%"
1735
1736 static int showdf(char *mntdir, struct obd_statfs *stat,
1737                   char *uuid, int ishow, int cooked,
1738                   char *type, int index, int rc)
1739 {
1740         long long avail, used, total;
1741         double ratio = 0;
1742         char *suffix = "KMGTPEZY";
1743         /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
1744         char tbuf[3 * sizeof(__u64)];
1745         char ubuf[3 * sizeof(__u64)];
1746         char abuf[3 * sizeof(__u64)];
1747         char rbuf[3 * sizeof(__u64)];
1748
1749         if (!uuid || !stat)
1750                 return -EINVAL;
1751
1752         switch (rc) {
1753         case 0:
1754                 if (ishow) {
1755                         avail = stat->os_ffree;
1756                         used = stat->os_files - stat->os_ffree;
1757                         total = stat->os_files;
1758                 } else {
1759                         int shift = cooked ? 0 : 10;
1760
1761                         avail = (stat->os_bavail * stat->os_bsize) >> shift;
1762                         used  = ((stat->os_blocks - stat->os_bfree) *
1763                                  stat->os_bsize) >> shift;
1764                         total = (stat->os_blocks * stat->os_bsize) >> shift;
1765                 }
1766
1767                 if ((used + avail) > 0)
1768                         ratio = (double)used / (double)(used + avail);
1769
1770                 if (cooked) {
1771                         int i;
1772                         double cook_val;
1773
1774                         cook_val = (double)total;
1775                         i = COOK(cook_val);
1776                         if (i > 0)
1777                                 sprintf(tbuf, HDF, cook_val, suffix[i - 1]);
1778                         else
1779                                 sprintf(tbuf, CDF, total);
1780
1781                         cook_val = (double)used;
1782                         i = COOK(cook_val);
1783                         if (i > 0)
1784                                 sprintf(ubuf, HDF, cook_val, suffix[i - 1]);
1785                         else
1786                                 sprintf(ubuf, CDF, used);
1787
1788                         cook_val = (double)avail;
1789                         i = COOK(cook_val);
1790                         if (i > 0)
1791                                 sprintf(abuf, HDF, cook_val, suffix[i - 1]);
1792                         else
1793                                 sprintf(abuf, CDF, avail);
1794                 } else {
1795                         sprintf(tbuf, CDF, total);
1796                         sprintf(ubuf, CDF, used);
1797                         sprintf(abuf, CDF, avail);
1798                 }
1799
1800                 sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
1801                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
1802                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
1803                 if (type)
1804                         printf("[%s:%d]\n", type, index);
1805                 else
1806                         printf("\n");
1807
1808                 break;
1809         case -ENODATA:
1810                 printf(UUF": inactive device\n", uuid);
1811                 break;
1812         default:
1813                 printf(UUF": %s\n", uuid, strerror(-rc));
1814                 break;
1815         }
1816
1817         return 0;
1818 }
1819
1820 struct ll_stat_type {
1821         int   st_op;
1822         char *st_name;
1823 };
1824
1825 static int mntdf(char *mntdir, char *fsname, char *pool, int ishow,
1826                 int cooked, int lazy)
1827 {
1828         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
1829         struct obd_uuid uuid_buf;
1830         char *poolname = NULL;
1831         struct ll_stat_type types[] = { { LL_STATFS_LMV, "MDT" },
1832                                         { LL_STATFS_LOV, "OST" },
1833                                         { 0, NULL } };
1834         struct ll_stat_type *tp;
1835         __u64 ost_ffree = 0;
1836         __u32 index;
1837         __u32 type;
1838         int rc;
1839
1840         if (pool) {
1841                 poolname = strchr(pool, '.');
1842                 if (poolname != NULL) {
1843                         if (strncmp(fsname, pool, strlen(fsname))) {
1844                                 fprintf(stderr, "filesystem name incorrect\n");
1845                                 return -ENODEV;
1846                         }
1847                         poolname++;
1848                 } else
1849                         poolname = pool;
1850         }
1851
1852         if (ishow)
1853                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1854                        "UUID", "Inodes", "IUsed", "IFree",
1855                        "IUse%", "Mounted on");
1856         else
1857                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
1858                        "UUID", cooked ? "bytes" : "1K-blocks",
1859                        "Used", "Available", "Use%", "Mounted on");
1860
1861         for (tp = types; tp->st_name != NULL; tp++) {
1862                 for (index = 0; ; index++) {
1863                         memset(&stat_buf, 0, sizeof(struct obd_statfs));
1864                         memset(&uuid_buf, 0, sizeof(struct obd_uuid));
1865                         type = lazy ? tp->st_op | LL_STATFS_NODELAY : tp->st_op;
1866                         rc = llapi_obd_statfs(mntdir, type, index,
1867                                               &stat_buf, &uuid_buf);
1868                         if (rc == -ENODEV)
1869                                 break;
1870
1871                         if (poolname && tp->st_op == LL_STATFS_LOV &&
1872                             llapi_search_ost(fsname, poolname,
1873                                              obd_uuid2str(&uuid_buf)) != 1)
1874                                 continue;
1875
1876                         /* the llapi_obd_statfs() call may have returned with
1877                          * an error, but if it filled in uuid_buf we will at
1878                          * lease use that to print out a message for that OBD.
1879                          * If we didn't get anything in the uuid_buf, then fill
1880                          * it in so that we can print an error message. */
1881                         if (uuid_buf.uuid[0] == '\0')
1882                                 sprintf(uuid_buf.uuid, "%s%04x",
1883                                         tp->st_name, index);
1884                         showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
1885                                ishow, cooked, tp->st_name, index, rc);
1886
1887                         if (rc == 0) {
1888                                 if (tp->st_op == LL_STATFS_LMV) {
1889                                         sum.os_ffree += stat_buf.os_ffree;
1890                                         sum.os_files += stat_buf.os_files;
1891                                 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
1892                                         sum.os_blocks += stat_buf.os_blocks *
1893                                                 stat_buf.os_bsize;
1894                                         sum.os_bfree  += stat_buf.os_bfree *
1895                                                 stat_buf.os_bsize;
1896                                         sum.os_bavail += stat_buf.os_bavail *
1897                                                 stat_buf.os_bsize;
1898                                         ost_ffree += stat_buf.os_ffree;
1899                                 }
1900                         } else if (rc == -EINVAL || rc == -EFAULT) {
1901                                 break;
1902                         }
1903                 }
1904         }
1905
1906         /* If we don't have as many objects free on the OST as inodes
1907          * on the MDS, we reduce the total number of inodes to
1908          * compensate, so that the "inodes in use" number is correct.
1909          * Matches ll_statfs_internal() so the results are consistent. */
1910         if (ost_ffree < sum.os_ffree) {
1911                 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
1912                 sum.os_ffree = ost_ffree;
1913         }
1914         printf("\n");
1915         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0, 0);
1916         printf("\n");
1917         return 0;
1918 }
1919
1920 static int lfs_df(int argc, char **argv)
1921 {
1922         char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
1923         int ishow = 0, cooked = 0;
1924         int lazy = 0;
1925         int c, rc = 0, index = 0;
1926         char fsname[PATH_MAX] = "", *pool_name = NULL;
1927         struct option long_opts[] = {
1928                 {"pool", required_argument, 0, 'p'},
1929                 {"lazy", 0, 0, 'l'},
1930                 {0, 0, 0, 0}
1931         };
1932
1933         optind = 0;
1934         while ((c = getopt_long(argc, argv, "hilp:", long_opts, NULL)) != -1) {
1935                 switch (c) {
1936                 case 'i':
1937                         ishow = 1;
1938                         break;
1939                 case 'h':
1940                         cooked = 1;
1941                         break;
1942                 case 'l':
1943                         lazy = 1;
1944                         break;
1945                 case 'p':
1946                         pool_name = optarg;
1947                         break;
1948                 default:
1949                         return CMD_HELP;
1950                 }
1951         }
1952         if (optind < argc && !realpath(argv[optind], path)) {
1953                 rc = -errno;
1954                 fprintf(stderr, "error: invalid path '%s': %s\n",
1955                         argv[optind], strerror(-rc));
1956                 return rc;
1957         }
1958
1959         while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1960                 /* Check if we have a mount point */
1961                 if (mntdir[0] == '\0')
1962                         continue;
1963
1964                 rc = mntdf(mntdir, fsname, pool_name, ishow, cooked, lazy);
1965                 if (rc || path[0] != '\0')
1966                         break;
1967                 fsname[0] = '\0'; /* avoid matching in next loop */
1968                 mntdir[0] = '\0'; /* avoid matching in next loop */
1969         }
1970
1971         return rc;
1972 }
1973
1974 static int lfs_getname(int argc, char **argv)
1975 {
1976         char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
1977         int rc = 0, index = 0, c;
1978         char buf[sizeof(struct obd_uuid)];
1979
1980         optind = 0;
1981         while ((c = getopt(argc, argv, "h")) != -1)
1982                 return CMD_HELP;
1983
1984         if (optind == argc) { /* no paths specified, get all paths. */
1985                 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
1986                         rc = llapi_getname(mntdir, buf, sizeof(buf));
1987                         if (rc < 0) {
1988                                 fprintf(stderr,
1989                                         "cannot get name for `%s': %s\n",
1990                                         mntdir, strerror(-rc));
1991                                 break;
1992                         }
1993
1994                         printf("%s %s\n", buf, mntdir);
1995
1996                         path[0] = fsname[0] = mntdir[0] = 0;
1997                 }
1998         } else { /* paths specified, only attempt to search these. */
1999                 for (; optind < argc; optind++) {
2000                         rc = llapi_getname(argv[optind], buf, sizeof(buf));
2001                         if (rc < 0) {
2002                                 fprintf(stderr,
2003                                         "cannot get name for `%s': %s\n",
2004                                         argv[optind], strerror(-rc));
2005                                 break;
2006                         }
2007
2008                         printf("%s %s\n", buf, argv[optind]);
2009                 }
2010         }
2011         return rc;
2012 }
2013
2014 static int lfs_check(int argc, char **argv)
2015 {
2016         int rc;
2017         char mntdir[PATH_MAX] = {'\0'};
2018         int num_types = 1;
2019         char *obd_types[2];
2020         char obd_type1[4];
2021         char obd_type2[4];
2022
2023         if (argc != 2)
2024                 return CMD_HELP;
2025
2026         obd_types[0] = obd_type1;
2027         obd_types[1] = obd_type2;
2028
2029         if (strcmp(argv[1], "osts") == 0) {
2030                 strcpy(obd_types[0], "osc");
2031         } else if (strcmp(argv[1], "mds") == 0) {
2032                 strcpy(obd_types[0], "mdc");
2033         } else if (strcmp(argv[1], "servers") == 0) {
2034                 num_types = 2;
2035                 strcpy(obd_types[0], "osc");
2036                 strcpy(obd_types[1], "mdc");
2037         } else {
2038                 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
2039                                 argv[0], argv[1]);
2040                         return CMD_HELP;
2041         }
2042
2043         rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
2044         if (rc < 0 || mntdir[0] == '\0') {
2045                 fprintf(stderr, "No suitable Lustre mount found\n");
2046                 return rc;
2047         }
2048
2049         rc = llapi_target_check(num_types, obd_types, mntdir);
2050         if (rc)
2051                 fprintf(stderr, "error: %s: %s status failed\n",
2052                                 argv[0],argv[1]);
2053
2054         return rc;
2055
2056 }
2057
2058 static int lfs_join(int argc, char **argv)
2059 {
2060         fprintf(stderr, "join two lustre files into one.\n"
2061                         "obsolete, HEAD does not support it anymore.\n");
2062         return 0;
2063 }
2064
2065 #ifdef HAVE_SYS_QUOTA_H
2066 static int lfs_quotacheck(int argc, char **argv)
2067 {
2068         int c, check_type = 0;
2069         char *mnt;
2070         struct if_quotacheck qchk;
2071         struct if_quotactl qctl;
2072         char *obd_type = (char *)qchk.obd_type;
2073         int rc;
2074
2075         memset(&qchk, 0, sizeof(qchk));
2076
2077         optind = 0;
2078         while ((c = getopt(argc, argv, "gu")) != -1) {
2079                 switch (c) {
2080                 case 'u':
2081                         check_type |= 0x01;
2082                         break;
2083                 case 'g':
2084                         check_type |= 0x02;
2085                         break;
2086                 default:
2087                         fprintf(stderr, "error: %s: option '-%c' "
2088                                         "unrecognized\n", argv[0], c);
2089                         return CMD_HELP;
2090                 }
2091         }
2092
2093         if (check_type)
2094                 check_type--;
2095         else    /* do quotacheck for both user & group quota by default */
2096                 check_type = 0x02;
2097
2098         if (argc == optind)
2099                 return CMD_HELP;
2100
2101         mnt = argv[optind];
2102
2103         rc = llapi_quotacheck(mnt, check_type);
2104         if (rc == -EOPNOTSUPP) {
2105                 fprintf(stderr, "error: quotacheck not supported by the quota "
2106                         "master.\nPlease note that quotacheck is deprecated as "
2107                         "of lustre 2.4.0 since space accounting is always "
2108                         "enabled.\nFilesystems not formatted with 2.4 utils or "
2109                         "beyond can be upgraded with tunefs.lustre --quota.\n");
2110                 return rc;
2111         } else if (rc) {
2112                 fprintf(stderr, "quotacheck failed: %s\n", strerror(-rc));
2113                 return rc;
2114         }
2115
2116         rc = llapi_poll_quotacheck(mnt, &qchk);
2117         if (rc) {
2118                 if (*obd_type)
2119                         fprintf(stderr, "%s %s ", obd_type,
2120                                 obd_uuid2str(&qchk.obd_uuid));
2121                 fprintf(stderr, "quota check failed: %s\n", strerror(-rc));
2122                 return rc;
2123         }
2124
2125         memset(&qctl, 0, sizeof(qctl));
2126         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
2127         qctl.qc_type = check_type;
2128         rc = llapi_quotactl(mnt, &qctl);
2129         if (rc && rc != -EALREADY) {
2130                 if (*obd_type)
2131                         fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
2132                                 obd_uuid2str(&qctl.obd_uuid));
2133                 fprintf(stderr, "%s turn on quota failed: %s\n",
2134                         argv[0], strerror(-rc));
2135                 return rc;
2136         }
2137
2138         return 0;
2139 }
2140
2141 static int lfs_quotaon(int argc, char **argv)
2142 {
2143         int c;
2144         char *mnt;
2145         struct if_quotactl qctl;
2146         char *obd_type = (char *)qctl.obd_type;
2147         int rc;
2148
2149         memset(&qctl, 0, sizeof(qctl));
2150         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
2151
2152         optind = 0;
2153         while ((c = getopt(argc, argv, "fgu")) != -1) {
2154                 switch (c) {
2155                 case 'u':
2156                         qctl.qc_type |= 0x01;
2157                         break;
2158                 case 'g':
2159                         qctl.qc_type |= 0x02;
2160                         break;
2161                 case 'f':
2162                         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2163                         break;
2164                 default:
2165                         fprintf(stderr, "error: %s: option '-%c' "
2166                                         "unrecognized\n", argv[0], c);
2167                         return CMD_HELP;
2168                 }
2169         }
2170
2171         if (qctl.qc_type)
2172                 qctl.qc_type--;
2173         else /* by default, enable quota for both user & group */
2174                 qctl.qc_type = 0x02;
2175
2176         if (argc == optind)
2177                 return CMD_HELP;
2178
2179         mnt = argv[optind];
2180
2181         rc = llapi_quotactl(mnt, &qctl);
2182         if (rc) {
2183                 if (rc == -EOPNOTSUPP) {
2184                         fprintf(stderr, "error: quotaon not supported by the "
2185                                 "quota master.\nPlease note that quotaon/off is"
2186                                 " deprecated as of lustre 2.4.0.\nQuota "
2187                                 "enforcement should now be enabled on the MGS "
2188                                 "via:\nmgs# lctl conf_param ${FSNAME}.quota."
2189                                 "<ost|mdt>=<u|g|ug>\n(ost for block quota, mdt "
2190                                 "for inode quota, u for user and g for group"
2191                                 "\n");
2192                 } else if (rc == -EALREADY) {
2193                         rc = 0;
2194                 } else if (rc == -ENOENT) {
2195                         fprintf(stderr, "error: cannot find quota database, "
2196                                         "make sure you have run quotacheck\n");
2197                 } else {
2198                         if (*obd_type)
2199                                 fprintf(stderr, "%s %s ", obd_type,
2200                                         obd_uuid2str(&qctl.obd_uuid));
2201                         fprintf(stderr, "%s failed: %s\n", argv[0],
2202                                 strerror(-rc));
2203                 }
2204         }
2205
2206         return rc;
2207 }
2208
2209 static int lfs_quotaoff(int argc, char **argv)
2210 {
2211         int c;
2212         char *mnt;
2213         struct if_quotactl qctl;
2214         char *obd_type = (char *)qctl.obd_type;
2215         int rc;
2216
2217         memset(&qctl, 0, sizeof(qctl));
2218         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
2219
2220         optind = 0;
2221         while ((c = getopt(argc, argv, "gu")) != -1) {
2222                 switch (c) {
2223                 case 'u':
2224                         qctl.qc_type |= 0x01;
2225                         break;
2226                 case 'g':
2227                         qctl.qc_type |= 0x02;
2228                         break;
2229                 default:
2230                         fprintf(stderr, "error: %s: option '-%c' "
2231                                         "unrecognized\n", argv[0], c);
2232                         return CMD_HELP;
2233                 }
2234         }
2235
2236         if (qctl.qc_type)
2237                 qctl.qc_type--;
2238         else /* by default, disable quota for both user & group */
2239                 qctl.qc_type = 0x02;
2240
2241         if (argc == optind)
2242                 return CMD_HELP;
2243
2244         mnt = argv[optind];
2245
2246         rc = llapi_quotactl(mnt, &qctl);
2247         if (rc) {
2248                 if (rc == -EOPNOTSUPP) {
2249                         fprintf(stderr, "error: quotaoff not supported by the "
2250                                 "quota master.\nPlease note that quotaon/off is"
2251                                 " deprecated as of lustre 2.4.0.\nQuota "
2252                                 "enforcement can be disabled on the MGS via:\n"
2253                                 "mgs# lctl conf_param ${FSNAME}.quota.<ost|mdt>"
2254                                 "=\"\"\n");
2255                 } else if (rc == -EALREADY) {
2256                         rc = 0;
2257                 } else {
2258                         if (*obd_type)
2259                                 fprintf(stderr, "%s %s ", obd_type,
2260                                         obd_uuid2str(&qctl.obd_uuid));
2261                         fprintf(stderr, "quotaoff failed: %s\n",
2262                                 strerror(-rc));
2263                 }
2264         }
2265
2266         return rc;
2267 }
2268
2269 #define ARG2INT(nr, str, msg)                                           \
2270 do {                                                                    \
2271         char *endp;                                                     \
2272         nr = strtol(str, &endp, 0);                                     \
2273         if (*endp) {                                                    \
2274                 fprintf(stderr, "error: bad %s: %s\n", msg, str);       \
2275                 return CMD_HELP;                                        \
2276         }                                                               \
2277 } while (0)
2278
2279 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
2280
2281 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
2282  * returns the value or ULONG_MAX on integer overflow or incorrect format
2283  * Notes:
2284  *        1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
2285  *        2. specifiers may be encountered multiple times (2s3s is 5 seconds)
2286  *        3. empty integer value is interpreted as 0
2287  */
2288 static unsigned long str2sec(const char* timestr)
2289 {
2290         const char spec[] = "smhdw";
2291         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2292         unsigned long val = 0;
2293         char *tail;
2294
2295         if (strpbrk(timestr, spec) == NULL) {
2296                 /* no specifiers inside the time string,
2297                    should treat it as an integer value */
2298                 val = strtoul(timestr, &tail, 10);
2299                 return *tail ? ULONG_MAX : val;
2300         }
2301
2302         /* format string is XXwXXdXXhXXmXXs */
2303         while (*timestr) {
2304                 unsigned long v;
2305                 int ind;
2306                 char* ptr;
2307
2308                 v = strtoul(timestr, &tail, 10);
2309                 if (v == ULONG_MAX || *tail == '\0')
2310                         /* value too large (ULONG_MAX or more)
2311                            or missing specifier */
2312                         goto error;
2313
2314                 ptr = strchr(spec, *tail);
2315                 if (ptr == NULL)
2316                         /* unknown specifier */
2317                         goto error;
2318
2319                 ind = ptr - spec;
2320
2321                 /* check if product will overflow the type */
2322                 if (!(v < ULONG_MAX / mult[ind]))
2323                         goto error;
2324
2325                 ADD_OVERFLOW(val, mult[ind] * v);
2326                 if (val == ULONG_MAX)
2327                         goto error;
2328
2329                 timestr = tail + 1;
2330         }
2331
2332         return val;
2333
2334 error:
2335         return ULONG_MAX;
2336 }
2337
2338 #define ARG2ULL(nr, str, def_units)                                     \
2339 do {                                                                    \
2340         unsigned long long limit, units = def_units;                    \
2341         int rc;                                                         \
2342                                                                         \
2343         rc = llapi_parse_size(str, &limit, &units, 1);                  \
2344         if (rc < 0) {                                                   \
2345                 fprintf(stderr, "error: bad limit value %s\n", str);    \
2346                 return CMD_HELP;                                        \
2347         }                                                               \
2348         nr = limit;                                                     \
2349 } while (0)
2350
2351 static inline int has_times_option(int argc, char **argv)
2352 {
2353         int i;
2354
2355         for (i = 1; i < argc; i++)
2356                 if (!strcmp(argv[i], "-t"))
2357                         return 1;
2358
2359         return 0;
2360 }
2361
2362 int lfs_setquota_times(int argc, char **argv)
2363 {
2364         int c, rc;
2365         struct if_quotactl qctl;
2366         char *mnt, *obd_type = (char *)qctl.obd_type;
2367         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2368         struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
2369         struct option long_opts[] = {
2370                 {"block-grace",     required_argument, 0, 'b'},
2371                 {"group",           no_argument,       0, 'g'},
2372                 {"inode-grace",     required_argument, 0, 'i'},
2373                 {"times",           no_argument,       0, 't'},
2374                 {"user",            no_argument,       0, 'u'},
2375                 {0, 0, 0, 0}
2376         };
2377
2378         memset(&qctl, 0, sizeof(qctl));
2379         qctl.qc_cmd  = LUSTRE_Q_SETINFO;
2380         qctl.qc_type = UGQUOTA;
2381
2382         optind = 0;
2383         while ((c = getopt_long(argc, argv, "b:gi:tu", long_opts, NULL)) != -1) {
2384                 switch (c) {
2385                 case 'u':
2386                 case 'g':
2387                         if (qctl.qc_type != UGQUOTA) {
2388                                 fprintf(stderr, "error: -u and -g can't be used "
2389                                                 "more than once\n");
2390                                 return CMD_HELP;
2391                         }
2392                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2393                         break;
2394                 case 'b':
2395                         if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
2396                                 fprintf(stderr, "error: bad block-grace: %s\n",
2397                                         optarg);
2398                                 return CMD_HELP;
2399                         }
2400                         dqb->dqb_valid |= QIF_BTIME;
2401                         break;
2402                 case 'i':
2403                         if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
2404                                 fprintf(stderr, "error: bad inode-grace: %s\n",
2405                                         optarg);
2406                                 return CMD_HELP;
2407                         }
2408                         dqb->dqb_valid |= QIF_ITIME;
2409                         break;
2410                 case 't': /* Yes, of course! */
2411                         break;
2412                 default: /* getopt prints error message for us when opterr != 0 */
2413                         return CMD_HELP;
2414                 }
2415         }
2416
2417         if (qctl.qc_type == UGQUOTA) {
2418                 fprintf(stderr, "error: neither -u nor -g specified\n");
2419                 return CMD_HELP;
2420         }
2421
2422         if (optind != argc - 1) {
2423                 fprintf(stderr, "error: unexpected parameters encountered\n");
2424                 return CMD_HELP;
2425         }
2426
2427         mnt = argv[optind];
2428         rc = llapi_quotactl(mnt, &qctl);
2429         if (rc) {
2430                 if (*obd_type)
2431                         fprintf(stderr, "%s %s ", obd_type,
2432                                 obd_uuid2str(&qctl.obd_uuid));
2433                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2434                 return rc;
2435         }
2436
2437         return 0;
2438 }
2439
2440 #define BSLIMIT (1 << 0)
2441 #define BHLIMIT (1 << 1)
2442 #define ISLIMIT (1 << 2)
2443 #define IHLIMIT (1 << 3)
2444
2445 int lfs_setquota(int argc, char **argv)
2446 {
2447         int c, rc;
2448         struct if_quotactl qctl;
2449         char *mnt, *obd_type = (char *)qctl.obd_type;
2450         struct obd_dqblk *dqb = &qctl.qc_dqblk;
2451         struct option long_opts[] = {
2452                 {"block-softlimit", required_argument, 0, 'b'},
2453                 {"block-hardlimit", required_argument, 0, 'B'},
2454                 {"group",           required_argument, 0, 'g'},
2455                 {"inode-softlimit", required_argument, 0, 'i'},
2456                 {"inode-hardlimit", required_argument, 0, 'I'},
2457                 {"user",            required_argument, 0, 'u'},
2458                 {0, 0, 0, 0}
2459         };
2460         unsigned limit_mask = 0;
2461         char *endptr;
2462
2463         if (has_times_option(argc, argv))
2464                 return lfs_setquota_times(argc, argv);
2465
2466         memset(&qctl, 0, sizeof(qctl));
2467         qctl.qc_cmd  = LUSTRE_Q_SETQUOTA;
2468         qctl.qc_type = UGQUOTA; /* UGQUOTA makes no sense for setquota,
2469                                  * so it can be used as a marker that qc_type
2470                                  * isn't reinitialized from command line */
2471
2472         optind = 0;
2473         while ((c = getopt_long(argc, argv, "b:B:g:i:I:u:", long_opts, NULL)) != -1) {
2474                 switch (c) {
2475                 case 'u':
2476                 case 'g':
2477                         if (qctl.qc_type != UGQUOTA) {
2478                                 fprintf(stderr, "error: -u and -g can't be used"
2479                                                 " more than once\n");
2480                                 return CMD_HELP;
2481                         }
2482                         qctl.qc_type = (c == 'u') ? USRQUOTA : GRPQUOTA;
2483                         rc = name2id(&qctl.qc_id, optarg,
2484                                      (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2485                         if (rc) {
2486                                 qctl.qc_id = strtoul(optarg, &endptr, 10);
2487                                 if (*endptr != '\0') {
2488                                         fprintf(stderr, "error: can't find id "
2489                                                 "for name %s\n", optarg);
2490                                         return CMD_HELP;
2491                                 }
2492                         }
2493                         break;
2494                 case 'b':
2495                         ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
2496                         dqb->dqb_bsoftlimit >>= 10;
2497                         limit_mask |= BSLIMIT;
2498                         if (dqb->dqb_bsoftlimit &&
2499                             dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
2500                                 fprintf(stderr, "warning: block softlimit is "
2501                                         "smaller than the miminal qunit size, "
2502                                         "please see the help of setquota or "
2503                                         "Lustre manual for details.\n");
2504                         break;
2505                 case 'B':
2506                         ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
2507                         dqb->dqb_bhardlimit >>= 10;
2508                         limit_mask |= BHLIMIT;
2509                         if (dqb->dqb_bhardlimit &&
2510                             dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
2511                                 fprintf(stderr, "warning: block hardlimit is "
2512                                         "smaller than the miminal qunit size, "
2513                                         "please see the help of setquota or "
2514                                         "Lustre manual for details.\n");
2515                         break;
2516                 case 'i':
2517                         ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
2518                         limit_mask |= ISLIMIT;
2519                         if (dqb->dqb_isoftlimit &&
2520                             dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
2521                                 fprintf(stderr, "warning: inode softlimit is "
2522                                         "smaller than the miminal qunit size, "
2523                                         "please see the help of setquota or "
2524                                         "Lustre manual for details.\n");
2525                         break;
2526                 case 'I':
2527                         ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
2528                         limit_mask |= IHLIMIT;
2529                         if (dqb->dqb_ihardlimit &&
2530                             dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
2531                                 fprintf(stderr, "warning: inode hardlimit is "
2532                                         "smaller than the miminal qunit size, "
2533                                         "please see the help of setquota or "
2534                                         "Lustre manual for details.\n");
2535                         break;
2536                 default: /* getopt prints error message for us when opterr != 0 */
2537                         return CMD_HELP;
2538                 }
2539         }
2540
2541         if (qctl.qc_type == UGQUOTA) {
2542                 fprintf(stderr, "error: neither -u nor -g was specified\n");
2543                 return CMD_HELP;
2544         }
2545
2546         if (limit_mask == 0) {
2547                 fprintf(stderr, "error: at least one limit must be specified\n");
2548                 return CMD_HELP;
2549         }
2550
2551         if (optind != argc - 1) {
2552                 fprintf(stderr, "error: unexpected parameters encountered\n");
2553                 return CMD_HELP;
2554         }
2555
2556         mnt = argv[optind];
2557
2558         if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
2559             (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
2560                 /* sigh, we can't just set blimits/ilimits */
2561                 struct if_quotactl tmp_qctl = {.qc_cmd  = LUSTRE_Q_GETQUOTA,
2562                                                .qc_type = qctl.qc_type,
2563                                                .qc_id   = qctl.qc_id};
2564
2565                 rc = llapi_quotactl(mnt, &tmp_qctl);
2566                 if (rc < 0) {
2567                         fprintf(stderr, "error: setquota failed while retrieving"
2568                                         " current quota settings (%s)\n",
2569                                         strerror(-rc));
2570                         return rc;
2571                 }
2572
2573                 if (!(limit_mask & BHLIMIT))
2574                         dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
2575                 if (!(limit_mask & BSLIMIT))
2576                         dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
2577                 if (!(limit_mask & IHLIMIT))
2578                         dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
2579                 if (!(limit_mask & ISLIMIT))
2580                         dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
2581
2582                 /* Keep grace times if we have got no softlimit arguments */
2583                 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
2584                         dqb->dqb_valid |= QIF_BTIME;
2585                         dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
2586                 }
2587
2588                 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
2589                         dqb->dqb_valid |= QIF_ITIME;
2590                         dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
2591                 }
2592         }
2593
2594         dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
2595         dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
2596
2597         rc = llapi_quotactl(mnt, &qctl);
2598         if (rc) {
2599                 if (*obd_type)
2600                         fprintf(stderr, "%s %s ", obd_type,
2601                                 obd_uuid2str(&qctl.obd_uuid));
2602                 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
2603                 return rc;
2604         }
2605
2606         return 0;
2607 }
2608
2609 static inline char *type2name(int check_type)
2610 {
2611         if (check_type == USRQUOTA)
2612                 return "user";
2613         else if (check_type == GRPQUOTA)
2614                 return "group";
2615         else
2616                 return "unknown";
2617 }
2618
2619 /* Converts seconds value into format string
2620  * result is returned in buf
2621  * Notes:
2622  *        1. result is in descenting order: 1w2d3h4m5s
2623  *        2. zero fields are not filled (except for p. 3): 5d1s
2624  *        3. zero seconds value is presented as "0s"
2625  */
2626 static char * __sec2str(time_t seconds, char *buf)
2627 {
2628         const char spec[] = "smhdw";
2629         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
2630         unsigned long c;
2631         char *tail = buf;
2632         int i;
2633
2634         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
2635                 c = seconds / mult[i];
2636
2637                 if (c > 0 || (i == 0 && buf == tail))
2638                         tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
2639
2640                 seconds %= mult[i];
2641         }
2642
2643         return tail;
2644 }
2645
2646 static void sec2str(time_t seconds, char *buf, int rc)
2647 {
2648         char *tail = buf;
2649
2650         if (rc)
2651                 *tail++ = '[';
2652
2653         tail = __sec2str(seconds, tail);
2654
2655         if (rc && tail - buf < 39) {
2656                 *tail++ = ']';
2657                 *tail++ = 0;
2658         }
2659 }
2660
2661 static void diff2str(time_t seconds, char *buf, time_t now)
2662 {
2663
2664         buf[0] = 0;
2665         if (!seconds)
2666                 return;
2667         if (seconds <= now) {
2668                 strcpy(buf, "none");
2669                 return;
2670         }
2671         __sec2str(seconds - now, buf);
2672 }
2673
2674 static void print_quota_title(char *name, struct if_quotactl *qctl,
2675                               bool human_readable)
2676 {
2677         printf("Disk quotas for %s %s (%cid %u):\n",
2678                type2name(qctl->qc_type), name,
2679                *type2name(qctl->qc_type), qctl->qc_id);
2680         printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
2681                "Filesystem", human_readable ? "used" : "kbytes",
2682                "quota", "limit", "grace",
2683                "files", "quota", "limit", "grace");
2684 }
2685
2686 static void kbytes2str(__u64 num, char *buf, bool h)
2687 {
2688         if (!h) {
2689                 sprintf(buf, LPU64, num);
2690         } else {
2691                 if (num >> 30)
2692                         sprintf(buf, "%5.4gT", (double)num / (1 << 30));
2693                 else if (num >> 20)
2694                         sprintf(buf, "%5.4gG", (double)num / (1 << 20));
2695                 else if (num >> 10)
2696                         sprintf(buf, "%5.4gM", (double)num / (1 << 10));
2697                 else
2698                         sprintf(buf, LPU64"%s", num, "k");
2699         }
2700 }
2701
2702 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
2703                         int rc, bool h)
2704 {
2705         time_t now;
2706
2707         time(&now);
2708
2709         if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
2710                 int bover = 0, iover = 0;
2711                 struct obd_dqblk *dqb = &qctl->qc_dqblk;
2712                 char numbuf[3][32];
2713                 char timebuf[40];
2714                 char strbuf[32];
2715
2716                 if (dqb->dqb_bhardlimit &&
2717                     lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
2718                         bover = 1;
2719                 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
2720                         if (dqb->dqb_btime > now) {
2721                                 bover = 2;
2722                         } else {
2723                                 bover = 3;
2724                         }
2725                 }
2726
2727                 if (dqb->dqb_ihardlimit &&
2728                     dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
2729                         iover = 1;
2730                 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
2731                         if (dqb->dqb_itime > now) {
2732                                 iover = 2;
2733                         } else {
2734                                 iover = 3;
2735                         }
2736                 }
2737
2738
2739                 if (strlen(mnt) > 15)
2740                         printf("%s\n%15s", mnt, "");
2741                 else
2742                         printf("%15s", mnt);
2743
2744                 if (bover)
2745                         diff2str(dqb->dqb_btime, timebuf, now);
2746
2747                 kbytes2str(lustre_stoqb(dqb->dqb_curspace), strbuf, h);
2748                 if (rc == -EREMOTEIO)
2749                         sprintf(numbuf[0], "%s*", strbuf);
2750                 else
2751                         sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
2752                                 "%s" : "[%s]", strbuf);
2753
2754                 kbytes2str(dqb->dqb_bsoftlimit, strbuf, h);
2755                 if (type == QC_GENERAL)
2756                         sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
2757                                 "%s" : "[%s]", strbuf);
2758                 else
2759                         sprintf(numbuf[1], "%s", "-");
2760
2761                 kbytes2str(dqb->dqb_bhardlimit, strbuf, h);
2762                 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
2763                         "%s" : "[%s]", strbuf);
2764
2765                 printf(" %7s%c %6s %7s %7s",
2766                        numbuf[0], bover ? '*' : ' ', numbuf[1],
2767                        numbuf[2], bover > 1 ? timebuf : "-");
2768
2769                 if (iover)
2770                         diff2str(dqb->dqb_itime, timebuf, now);
2771
2772                 sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
2773                         LPU64 : "["LPU64"]", dqb->dqb_curinodes);
2774
2775                 if (type == QC_GENERAL)
2776                         sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
2777                                 LPU64 : "["LPU64"]", dqb->dqb_isoftlimit);
2778                 else
2779                         sprintf(numbuf[1], "%s", "-");
2780
2781                 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
2782                         LPU64 : "["LPU64"]", dqb->dqb_ihardlimit);
2783
2784                 if (type != QC_OSTIDX)
2785                         printf(" %7s%c %6s %7s %7s",
2786                                numbuf[0], iover ? '*' : ' ', numbuf[1],
2787                                numbuf[2], iover > 1 ? timebuf : "-");
2788                 else
2789                         printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
2790                 printf("\n");
2791
2792         } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
2793                    qctl->qc_cmd == Q_GETOINFO) {
2794                 char bgtimebuf[40];
2795                 char igtimebuf[40];
2796
2797                 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
2798                 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
2799                 printf("Block grace time: %s; Inode grace time: %s\n",
2800                        bgtimebuf, igtimebuf);
2801         }
2802 }
2803
2804 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
2805                            bool h, __u64 *total)
2806 {
2807         int rc = 0, rc1 = 0, count = 0;
2808         __u32 valid = qctl->qc_valid;
2809
2810         rc = llapi_get_obd_count(mnt, &count, is_mdt);
2811         if (rc) {
2812                 fprintf(stderr, "can not get %s count: %s\n",
2813                         is_mdt ? "mdt": "ost", strerror(-rc));
2814                 return rc;
2815         }
2816
2817         for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
2818                 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
2819                 rc = llapi_quotactl(mnt, qctl);
2820                 if (rc) {
2821                         /* It is remote client case. */
2822                         if (-rc == EOPNOTSUPP) {
2823                                 rc = 0;
2824                                 goto out;
2825                         }
2826
2827                         if (!rc1)
2828                                 rc1 = rc;
2829                         fprintf(stderr, "quotactl %s%d failed.\n",
2830                                 is_mdt ? "mdt": "ost", qctl->qc_idx);
2831                         continue;
2832                 }
2833
2834                 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
2835                             qctl->qc_valid, 0, h);
2836                 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
2837                                    qctl->qc_dqblk.dqb_bhardlimit;
2838         }
2839 out:
2840         qctl->qc_valid = valid;
2841         return rc ? : rc1;
2842 }
2843
2844 static int lfs_quota(int argc, char **argv)
2845 {
2846         int c;
2847         char *mnt, *name = NULL;
2848         struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
2849                                     .qc_type = UGQUOTA };
2850         char *obd_type = (char *)qctl.obd_type;
2851         char *obd_uuid = (char *)qctl.obd_uuid.uuid;
2852         int rc, rc1 = 0, rc2 = 0, rc3 = 0,
2853             verbose = 0, pass = 0, quiet = 0, inacc;
2854         char *endptr;
2855         __u32 valid = QC_GENERAL, idx = 0;
2856         __u64 total_ialloc = 0, total_balloc = 0;
2857         bool human_readable = false;
2858
2859         optind = 0;
2860         while ((c = getopt(argc, argv, "gi:I:o:qtuvh")) != -1) {
2861                 switch (c) {
2862                 case 'u':
2863                         if (qctl.qc_type != UGQUOTA) {
2864                                 fprintf(stderr, "error: use either -u or -g\n");
2865                                 return CMD_HELP;
2866                         }
2867                         qctl.qc_type = USRQUOTA;
2868                         break;
2869                 case 'g':
2870                         if (qctl.qc_type != UGQUOTA) {
2871                                 fprintf(stderr, "error: use either -u or -g\n");
2872                                 return CMD_HELP;
2873                         }
2874                         qctl.qc_type = GRPQUOTA;
2875                         break;
2876                 case 't':
2877                         qctl.qc_cmd = LUSTRE_Q_GETINFO;
2878                         break;
2879                 case 'o':
2880                         valid = qctl.qc_valid = QC_UUID;
2881                         strlcpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
2882                         break;
2883                 case 'i':
2884                         valid = qctl.qc_valid = QC_MDTIDX;
2885                         idx = qctl.qc_idx = atoi(optarg);
2886                         break;
2887                 case 'I':
2888                         valid = qctl.qc_valid = QC_OSTIDX;
2889                         idx = qctl.qc_idx = atoi(optarg);
2890                         break;
2891                 case 'v':
2892                         verbose = 1;
2893                         break;
2894                 case 'q':
2895                         quiet = 1;
2896                         break;
2897                 case 'h':
2898                         human_readable = true;
2899                         break;
2900                 default:
2901                         fprintf(stderr, "error: %s: option '-%c' "
2902                                         "unrecognized\n", argv[0], c);
2903                         return CMD_HELP;
2904                 }
2905         }
2906
2907         /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
2908         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == UGQUOTA &&
2909             optind == argc - 1) {
2910 ug_output:
2911                 memset(&qctl, 0, sizeof(qctl)); /* spoiled by print_*_quota */
2912                 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
2913                 qctl.qc_valid = valid;
2914                 qctl.qc_idx = idx;
2915                 if (pass++ == 0) {
2916                         qctl.qc_type = USRQUOTA;
2917                         qctl.qc_id = geteuid();
2918                 } else {
2919                         qctl.qc_type = GRPQUOTA;
2920                         qctl.qc_id = getegid();
2921                 }
2922                 rc = id2name(&name, qctl.qc_id,
2923                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2924                 if (rc)
2925                         name = "<unknown>";
2926         /* lfs quota -u username /path/to/lustre/mount */
2927         } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
2928                 /* options should be followed by u/g-name and mntpoint */
2929                 if (optind + 2 != argc || qctl.qc_type == UGQUOTA) {
2930                         fprintf(stderr, "error: missing quota argument(s)\n");
2931                         return CMD_HELP;
2932                 }
2933
2934                 name = argv[optind++];
2935                 rc = name2id(&qctl.qc_id, name,
2936                              (qctl.qc_type == USRQUOTA) ? USER : GROUP);
2937                 if (rc) {
2938                         qctl.qc_id = strtoul(name, &endptr, 10);
2939                         if (*endptr != '\0') {
2940                                 fprintf(stderr, "error: can't find id for name "
2941                                         "%s\n", name);
2942                                 return CMD_HELP;
2943                         }
2944                 }
2945         } else if (optind + 1 != argc || qctl.qc_type == UGQUOTA) {
2946                 fprintf(stderr, "error: missing quota info argument(s)\n");
2947                 return CMD_HELP;
2948         }
2949
2950         mnt = argv[optind];
2951
2952         rc1 = llapi_quotactl(mnt, &qctl);
2953         if (rc1 < 0) {
2954                 switch (rc1) {
2955                 case -ESRCH:
2956                         fprintf(stderr, "%s quotas are not enabled.\n",
2957                                 qctl.qc_type == USRQUOTA ? "user" : "group");
2958                         goto out;
2959                 case -EPERM:
2960                         fprintf(stderr, "Permission denied.\n");
2961                 case -ENOENT:
2962                         /* We already got a "No such file..." message. */
2963                         goto out;
2964                 default:
2965                         fprintf(stderr, "Unexpected quotactl error: %s\n",
2966                                 strerror(-rc1));
2967                 }
2968         }
2969
2970         if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
2971                 print_quota_title(name, &qctl, human_readable);
2972
2973         if (rc1 && *obd_type)
2974                 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
2975
2976         if (qctl.qc_valid != QC_GENERAL)
2977                 mnt = "";
2978
2979         inacc = (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) &&
2980                 ((qctl.qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
2981                  (QIF_LIMITS|QIF_USAGE));
2982
2983         print_quota(mnt, &qctl, QC_GENERAL, rc1, human_readable);
2984
2985         if (qctl.qc_valid == QC_GENERAL && qctl.qc_cmd != LUSTRE_Q_GETINFO &&
2986             verbose) {
2987                 char strbuf[32];
2988
2989                 rc2 = print_obd_quota(mnt, &qctl, 1, human_readable,
2990                                       &total_ialloc);
2991                 rc3 = print_obd_quota(mnt, &qctl, 0, human_readable,
2992                                       &total_balloc);
2993                 kbytes2str(total_balloc, strbuf, human_readable);
2994                 printf("Total allocated inode limit: "LPU64", total "
2995                        "allocated block limit: %s\n", total_ialloc, strbuf);
2996         }
2997
2998         if (rc1 || rc2 || rc3 || inacc)
2999                 printf("Some errors happened when getting quota info. "
3000                        "Some devices may be not working or deactivated. "
3001                        "The data in \"[]\" is inaccurate.\n");
3002
3003 out:
3004         if (pass == 1)
3005                 goto ug_output;
3006
3007         return rc1;
3008 }
3009 #endif /* HAVE_SYS_QUOTA_H! */
3010
3011 static int flushctx_ioctl(char *mp)
3012 {
3013         int fd, rc;
3014
3015         fd = open(mp, O_RDONLY);
3016         if (fd == -1) {
3017                 fprintf(stderr, "flushctx: error open %s: %s\n",
3018                         mp, strerror(errno));
3019                 return -1;
3020         }
3021
3022         rc = ioctl(fd, LL_IOC_FLUSHCTX);
3023         if (rc == -1)
3024                 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
3025                         mp, strerror(errno));
3026
3027         close(fd);
3028         return rc;
3029 }
3030
3031 static int lfs_flushctx(int argc, char **argv)
3032 {
3033         int     kdestroy = 0, c;
3034         char    mntdir[PATH_MAX] = {'\0'};
3035         int     index = 0;
3036         int     rc = 0;
3037
3038         optind = 0;
3039         while ((c = getopt(argc, argv, "k")) != -1) {
3040                 switch (c) {
3041                 case 'k':
3042                         kdestroy = 1;
3043                         break;
3044                 default:
3045                         fprintf(stderr, "error: %s: option '-%c' "
3046                                         "unrecognized\n", argv[0], c);
3047                         return CMD_HELP;
3048                 }
3049         }
3050
3051         if (kdestroy) {
3052             if ((rc = system("kdestroy > /dev/null")) != 0) {
3053                 rc = WEXITSTATUS(rc);
3054                 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
3055             }
3056         }
3057
3058         if (optind >= argc) {
3059                 /* flush for all mounted lustre fs. */
3060                 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
3061                         /* Check if we have a mount point */
3062                         if (mntdir[0] == '\0')
3063                                 continue;
3064
3065                         if (flushctx_ioctl(mntdir))
3066                                 rc = -1;
3067
3068                         mntdir[0] = '\0'; /* avoid matching in next loop */
3069                 }
3070         } else {
3071                 /* flush fs as specified */
3072                 while (optind < argc) {
3073                         if (flushctx_ioctl(argv[optind++]))
3074                                 rc = -1;
3075                 }
3076         }
3077         return rc;
3078 }
3079
3080 static int lfs_lsetfacl(int argc, char **argv)
3081 {
3082         argv[0]++;
3083         return(llapi_lsetfacl(argc, argv));
3084 }
3085
3086 static int lfs_lgetfacl(int argc, char **argv)
3087 {
3088         argv[0]++;
3089         return(llapi_lgetfacl(argc, argv));
3090 }
3091
3092 static int lfs_rsetfacl(int argc, char **argv)
3093 {
3094         argv[0]++;
3095         return(llapi_rsetfacl(argc, argv));
3096 }
3097
3098 static int lfs_rgetfacl(int argc, char **argv)
3099 {
3100         argv[0]++;
3101         return(llapi_rgetfacl(argc, argv));
3102 }
3103
3104 static int lfs_cp(int argc, char **argv)
3105 {
3106         return(llapi_cp(argc, argv));
3107 }
3108
3109 static int lfs_ls(int argc, char **argv)
3110 {
3111         return(llapi_ls(argc, argv));
3112 }
3113
3114 static int lfs_changelog(int argc, char **argv)
3115 {
3116         void *changelog_priv;
3117         struct changelog_ext_rec *rec;
3118         long long startrec = 0, endrec = 0;
3119         char *mdd;
3120         struct option long_opts[] = {
3121                 {"follow", no_argument, 0, 'f'},
3122                 {0, 0, 0, 0}
3123         };
3124         char short_opts[] = "f";
3125         int rc, follow = 0;
3126
3127         optind = 0;
3128         while ((rc = getopt_long(argc, argv, short_opts,
3129                                 long_opts, NULL)) != -1) {
3130                 switch (rc) {
3131                 case 'f':
3132                         follow++;
3133                         break;
3134                 case '?':
3135                         return CMD_HELP;
3136                 default:
3137                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3138                                 argv[0], argv[optind - 1]);
3139                         return CMD_HELP;
3140                 }
3141         }
3142         if (optind >= argc)
3143                 return CMD_HELP;
3144
3145         mdd = argv[optind++];
3146         if (argc > optind)
3147                 startrec = strtoll(argv[optind++], NULL, 10);
3148         if (argc > optind)
3149                 endrec = strtoll(argv[optind++], NULL, 10);
3150
3151         rc = llapi_changelog_start(&changelog_priv,
3152                                    CHANGELOG_FLAG_BLOCK |
3153                                    (follow ? CHANGELOG_FLAG_FOLLOW : 0),
3154                                    mdd, startrec);
3155         if (rc < 0) {
3156                 fprintf(stderr, "Can't start changelog: %s\n",
3157                         strerror(errno = -rc));
3158                 return rc;
3159         }
3160
3161         while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
3162                 time_t secs;
3163                 struct tm ts;
3164
3165                 if (endrec && rec->cr_index > endrec) {
3166                         llapi_changelog_free(&rec);
3167                         break;
3168                 }
3169                 if (rec->cr_index < startrec) {
3170                         llapi_changelog_free(&rec);
3171                         continue;
3172                 }
3173
3174                 secs = rec->cr_time >> 30;
3175                 gmtime_r(&secs, &ts);
3176                 printf(LPU64" %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d "
3177                        "0x%x t="DFID, rec->cr_index, rec->cr_type,
3178                        changelog_type2str(rec->cr_type),
3179                        ts.tm_hour, ts.tm_min, ts.tm_sec,
3180                        (int)(rec->cr_time & ((1<<30) - 1)),
3181                        ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
3182                        rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
3183                 if (rec->cr_namelen)
3184                         /* namespace rec includes parent and filename */
3185                         printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
3186                                 rec->cr_namelen, rec->cr_name);
3187
3188                 if (!fid_is_zero(&rec->cr_sfid))
3189                         printf(" s="DFID" sp="DFID" %.*s",
3190                                 PFID(&rec->cr_sfid), PFID(&rec->cr_spfid),
3191                                 changelog_rec_snamelen(rec),
3192                                 changelog_rec_sname(rec));
3193                 printf("\n");
3194
3195                 llapi_changelog_free(&rec);
3196         }
3197
3198         llapi_changelog_fini(&changelog_priv);
3199
3200         if (rc < 0)
3201                 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
3202
3203         return (rc == 1 ? 0 : rc);
3204 }
3205
3206 static int lfs_changelog_clear(int argc, char **argv)
3207 {
3208         long long endrec;
3209         int rc;
3210
3211         if (argc != 4)
3212                 return CMD_HELP;
3213
3214         endrec = strtoll(argv[3], NULL, 10);
3215
3216         rc = llapi_changelog_clear(argv[1], argv[2], endrec);
3217         if (rc)
3218                 fprintf(stderr, "%s error: %s\n", argv[0],
3219                         strerror(errno = -rc));
3220         return rc;
3221 }
3222
3223 static int lfs_fid2path(int argc, char **argv)
3224 {
3225         struct option long_opts[] = {
3226                 {"cur", no_argument, 0, 'c'},
3227                 {"link", required_argument, 0, 'l'},
3228                 {"rec", required_argument, 0, 'r'},
3229                 {0, 0, 0, 0}
3230         };
3231         char  short_opts[] = "cl:r:";
3232         char *device, *fid, *path;
3233         long long recno = -1;
3234         int linkno = -1;
3235         int lnktmp;
3236         int printcur = 0;
3237         int rc = 0;
3238
3239         optind = 0;
3240
3241         while ((rc = getopt_long(argc, argv, short_opts,
3242                                 long_opts, NULL)) != -1) {
3243                 switch (rc) {
3244                 case 'c':
3245                         printcur++;
3246                         break;
3247                 case 'l':
3248                         linkno = strtol(optarg, NULL, 10);
3249                         break;
3250                 case 'r':
3251                         recno = strtoll(optarg, NULL, 10);
3252                         break;
3253                 case '?':
3254                         return CMD_HELP;
3255                 default:
3256                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
3257                                 argv[0], argv[optind - 1]);
3258                         return CMD_HELP;
3259                 }
3260         }
3261
3262         if (argc < 3)
3263                 return CMD_HELP;
3264
3265         device = argv[optind++];
3266         path = calloc(1, PATH_MAX);
3267         if (path == NULL) {
3268                 fprintf(stderr, "error: Not enough memory\n");
3269                 return -errno;
3270         }
3271
3272         rc = 0;
3273         while (optind < argc) {
3274                 fid = argv[optind++];
3275
3276                 lnktmp = (linkno >= 0) ? linkno : 0;
3277                 while (1) {
3278                         int oldtmp = lnktmp;
3279                         long long rectmp = recno;
3280                         int rc2;
3281                         rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
3282                                              &rectmp, &lnktmp);
3283                         if (rc2 < 0) {
3284                                 fprintf(stderr, "%s: error on FID %s: %s\n",
3285                                         argv[0], fid, strerror(errno = -rc2));
3286                                 if (rc == 0)
3287                                         rc = rc2;
3288                                 break;
3289                         }
3290
3291                         if (printcur)
3292                                 fprintf(stdout, "%lld ", rectmp);
3293                         if (device[0] == '/') {
3294                                 fprintf(stdout, "%s", device);
3295                                 if (device[strlen(device) - 1] != '/')
3296                                         fprintf(stdout, "/");
3297                         } else if (path[0] == '\0') {
3298                                 fprintf(stdout, "/");
3299                         }
3300                         fprintf(stdout, "%s\n", path);
3301
3302                         if (linkno >= 0)
3303                                 /* specified linkno */
3304                                 break;
3305                         if (oldtmp == lnktmp)
3306                                 /* no more links */
3307                                 break;
3308                 }
3309         }
3310
3311         free(path);
3312         return rc;
3313 }
3314
3315 static int lfs_path2fid(int argc, char **argv)
3316 {
3317         char **path;
3318         const char *sep = "";
3319         lustre_fid fid;
3320         int rc = 0;
3321
3322         if (argc < 2)
3323                 return CMD_HELP;
3324         else if (argc > 2)
3325                 sep = ": ";
3326
3327         path = argv + 1;
3328         while (*path != NULL) {
3329                 int err = llapi_path2fid(*path, &fid);
3330
3331                 if (err) {
3332                         fprintf(stderr, "%s: can't get fid for %s: %s\n",
3333                                 argv[0], *path, strerror(-err));
3334                         if (rc == 0) {
3335                                 rc = err;
3336                                 errno = -err;
3337                         }
3338                         goto out;
3339                 }
3340                 printf("%s%s"DFID"\n", *sep != '\0' ? *path : "", sep,
3341                        PFID(&fid));
3342 out:
3343                 path++;
3344         }
3345
3346         return rc;
3347 }
3348
3349 static int lfs_data_version(int argc, char **argv)
3350 {
3351         char *path;
3352         __u64 data_version;
3353         int fd;
3354         int rc;
3355         int c;
3356         int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
3357
3358         if (argc < 2)
3359                 return CMD_HELP;
3360
3361         optind = 0;
3362         while ((c = getopt(argc, argv, "nrw")) != -1) {
3363                 switch (c) {
3364                 case 'n':
3365                         data_version_flags = 0;
3366                         break;
3367                 case 'r':
3368                         data_version_flags |= LL_DV_RD_FLUSH;
3369                         break;
3370                 case 'w':
3371                         data_version_flags |= LL_DV_WR_FLUSH;
3372                         break;
3373                 default:
3374                         return CMD_HELP;
3375                 }
3376         }
3377         if (optind == argc)
3378                 return CMD_HELP;
3379
3380         path = argv[optind];
3381         fd = open(path, O_RDONLY);
3382         if (fd < 0)
3383                 err(errno, "cannot open file %s", path);
3384
3385         rc = llapi_get_data_version(fd, &data_version, data_version_flags);
3386         if (rc < 0)
3387                 err(errno, "cannot get version for %s", path);
3388         else
3389                 printf(LPU64 "\n", data_version);
3390
3391         close(fd);
3392         return rc;
3393 }
3394
3395 static int lfs_hsm_state(int argc, char **argv)
3396 {
3397         int rc;
3398         int i = 1;
3399         char *path;
3400         struct hsm_user_state hus;
3401
3402         if (argc < 2)
3403                 return CMD_HELP;
3404
3405         do {
3406                 path = argv[i];
3407
3408                 rc = llapi_hsm_state_get(path, &hus);
3409                 if (rc) {
3410                         fprintf(stderr, "can't get hsm state for %s: %s\n",
3411                                 path, strerror(errno = -rc));
3412                         return rc;
3413                 }
3414
3415                 /* Display path name and status flags */
3416                 printf("%s: (0x%08x)", path, hus.hus_states);
3417
3418                 if (hus.hus_states & HS_RELEASED)
3419                         printf(" released");
3420                 if (hus.hus_states & HS_EXISTS)
3421                         printf(" exists");
3422                 if (hus.hus_states & HS_DIRTY)
3423                         printf(" dirty");
3424                 if (hus.hus_states & HS_ARCHIVED)
3425                         printf(" archived");
3426                 /* Display user-settable flags */
3427                 if (hus.hus_states & HS_NORELEASE)
3428                         printf(" never_release");
3429                 if (hus.hus_states & HS_NOARCHIVE)
3430                         printf(" never_archive");
3431                 if (hus.hus_states & HS_LOST)
3432                         printf(" lost_from_hsm");
3433
3434                 if (hus.hus_archive_id != 0)
3435                         printf(", archive_id:%d", hus.hus_archive_id);
3436                 printf("\n");
3437
3438         } while (++i < argc);
3439
3440         return 0;
3441 }
3442
3443 #define LFS_HSM_SET   0
3444 #define LFS_HSM_CLEAR 1
3445
3446 /**
3447  * Generic function to set or clear HSM flags.
3448  * Used by hsm_set and hsm_clear.
3449  *
3450  * @mode  if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
3451  */
3452 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
3453 {
3454         struct option long_opts[] = {
3455                 {"lost", 0, 0, 'l'},
3456                 {"norelease", 0, 0, 'r'},
3457                 {"noarchive", 0, 0, 'a'},
3458                 {"archived", 0, 0, 'A'},
3459                 {"dirty", 0, 0, 'd'},
3460                 {"exists", 0, 0, 'e'},
3461                 {0, 0, 0, 0}
3462         };
3463         char short_opts[] = "lraAde";
3464         __u64 mask = 0;
3465         int c, rc;
3466         char *path;
3467
3468         if (argc < 3)
3469                 return CMD_HELP;
3470
3471         optind = 0;
3472         while ((c = getopt_long(argc, argv, short_opts,
3473                                 long_opts, NULL)) != -1) {
3474                 switch (c) {
3475                 case 'l':
3476                &nb