4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
34 * Author: Peter J. Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Robert Read <rread@clusterfs.com>
55 #include <sys/ioctl.h>
56 #include <sys/quota.h>
58 #include <sys/types.h>
64 #include "lfs_project.h"
66 #include <libcfs/util/string.h>
67 #include <libcfs/util/ioctl.h>
68 #include <libcfs/util/parser.h>
69 #include <lustre/lustreapi.h>
70 #include <linux/lustre/lustre_ver.h>
71 #include <linux/lustre/lustre_param.h>
74 # define ARRAY_SIZE(a) ((sizeof(a)) / (sizeof((a)[0])))
75 #endif /* !ARRAY_SIZE */
78 static int lfs_find(int argc, char **argv);
79 static int lfs_getstripe(int argc, char **argv);
80 static int lfs_getdirstripe(int argc, char **argv);
81 static int lfs_setdirstripe(int argc, char **argv);
82 static int lfs_rmentry(int argc, char **argv);
83 static int lfs_osts(int argc, char **argv);
84 static int lfs_mdts(int argc, char **argv);
85 static int lfs_df(int argc, char **argv);
86 static int lfs_getname(int argc, char **argv);
87 static int lfs_check(int argc, char **argv);
88 #ifdef HAVE_SYS_QUOTA_H
89 static int lfs_setquota(int argc, char **argv);
90 static int lfs_quota(int argc, char **argv);
91 static int lfs_project(int argc, char **argv);
93 static int lfs_flushctx(int argc, char **argv);
94 static int lfs_cp(int argc, char **argv);
95 static int lfs_ls(int argc, char **argv);
96 static int lfs_poollist(int argc, char **argv);
97 static int lfs_changelog(int argc, char **argv);
98 static int lfs_changelog_clear(int argc, char **argv);
99 static int lfs_fid2path(int argc, char **argv);
100 static int lfs_path2fid(int argc, char **argv);
101 static int lfs_data_version(int argc, char **argv);
102 static int lfs_hsm_state(int argc, char **argv);
103 static int lfs_hsm_set(int argc, char **argv);
104 static int lfs_hsm_clear(int argc, char **argv);
105 static int lfs_hsm_action(int argc, char **argv);
106 static int lfs_hsm_archive(int argc, char **argv);
107 static int lfs_hsm_restore(int argc, char **argv);
108 static int lfs_hsm_release(int argc, char **argv);
109 static int lfs_hsm_remove(int argc, char **argv);
110 static int lfs_hsm_cancel(int argc, char **argv);
111 static int lfs_swap_layouts(int argc, char **argv);
112 static int lfs_mv(int argc, char **argv);
113 static int lfs_ladvise(int argc, char **argv);
114 static int lfs_mirror(int argc, char **argv);
115 static int lfs_mirror_list_commands(int argc, char **argv);
116 static int lfs_list_commands(int argc, char **argv);
117 static inline int lfs_mirror_resync(int argc, char **argv);
119 enum setstripe_origin {
125 static int lfs_setstripe0(int argc, char **argv, enum setstripe_origin opc);
127 static inline int lfs_setstripe(int argc, char **argv)
129 return lfs_setstripe0(argc, argv, SO_SETSTRIPE);
131 static inline int lfs_setstripe_migrate(int argc, char **argv)
133 return lfs_setstripe0(argc, argv, SO_MIGRATE);
135 static inline int lfs_mirror_create(int argc, char **argv)
137 return lfs_setstripe0(argc, argv, SO_MIRROR_CREATE);
139 static inline int lfs_mirror_extend(int argc, char **argv)
141 return lfs_setstripe0(argc, argv, SO_MIRROR_EXTEND);
144 /* Setstripe and migrate share mostly the same parameters */
145 #define SSM_CMD_COMMON(cmd) \
146 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
147 " [--stripe-count|-c <stripe_count>]\n" \
148 " [--stripe-index|-i <start_ost_idx>]\n" \
149 " [--stripe-size|-S <stripe_size>]\n" \
150 " [--layout|-L <pattern>]\n" \
151 " [--pool|-p <pool_name>]\n" \
152 " [--ost|-o <ost_indices>]\n"
154 #define SSM_HELP_COMMON \
155 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
156 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
157 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
158 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
159 "\t respectively)\n" \
160 "\tpool_name: Name of OST pool to use (default none)\n" \
161 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
162 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
163 "\t Indices be specified in a format of:\n" \
164 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
166 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
167 "\t If --pool is set with --ost, then the OSTs\n" \
168 "\t must be the members of the pool.\n" \
169 "\tcomp_end: Extent end of component, start after previous end.\n"\
170 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
171 "\t respectively, -1 for EOF). Must be a multiple of\n"\
174 #define MIRROR_CREATE_HELP \
175 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
176 "\t setstripe layout options\n" \
177 "\t It defaults to 1 if not specified; if specified,\n" \
178 "\t it must follow the option without a space.\n" \
179 "\t The option can also be repeated multiple times to\n" \
180 "\t separate mirrors that have different layouts.\n" \
181 "\tsetstripe options: Mirror layout\n" \
182 "\t It can be a plain layout or a composite layout.\n" \
183 "\t If not specified, the stripe options inherited\n" \
184 "\t from the previous component will be used.\n" \
185 "\tparent: Use default stripe options from parent directory\n"
187 #define MIRROR_EXTEND_HELP \
189 "\tvictim_file: The layout of victim_file will be split and used\n" \
190 "\t as a mirror added to the mirrored file.\n" \
191 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
192 "\t from victim file(s) in case the victim file(s)\n" \
193 "\t contains the same data as the original mirrored\n" \
196 #define MIRROR_EXTEND_USAGE \
197 " <--mirror-count|-N[mirror_count]>\n" \
198 " [setstripe options|--parent|-f <victim_file>]\n" \
201 #define SETSTRIPE_USAGE \
202 SSM_CMD_COMMON("setstripe") \
203 MIRROR_EXTEND_USAGE \
204 " <directory|filename>\n" \
208 #define MIGRATE_USAGE \
209 SSM_CMD_COMMON("migrate ") \
211 " [--non-block|-n]\n" \
215 "\tblock: Block file access during data migration (default)\n" \
216 "\tnon-block: Abort migrations if concurrent access is detected\n" \
218 #define SETDIRSTRIPE_USAGE \
219 " [--mdt-count|-c stripe_count>\n" \
220 " [--mdt-index|-i mdt_index]\n" \
221 " [--mdt-hash|-H mdt_hash]\n" \
222 " [--default|-D] [--mode|-m mode] <dir>\n" \
223 "\tstripe_count: stripe count of the striped directory\n" \
224 "\tmdt_index: MDT index of first stripe\n" \
225 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
226 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
227 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
228 "\tdefault_stripe: set default dirstripe of the directory\n" \
229 "\tmode: the mode of the directory\n"
232 * command_t mirror_cmdlist - lfs mirror commands.
234 command_t mirror_cmdlist[] = {
235 { .pc_name = "create", .pc_func = lfs_mirror_create,
236 .pc_help = "Create a mirrored file.\n"
237 "usage: lfs mirror create "
238 "<--mirror-count|-N[mirror_count]> "
239 "[setstripe options|--parent] ... <filename|directory>\n"
240 MIRROR_CREATE_HELP },
241 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
242 .pc_help = "Extend a mirrored file.\n"
243 "usage: lfs mirror extend "
244 "<--mirror-count|-N[mirror_count]> [--no-verify] "
245 "[setstripe options|--parent|-f <victim_file>] ... <filename>\n"
246 MIRROR_EXTEND_HELP },
247 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
248 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
249 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
250 "<mirrored file> [<mirrored file2>...]\n"},
251 { .pc_name = "--list-commands", .pc_func = lfs_mirror_list_commands,
252 .pc_help = "list commands supported by lfs mirror"},
253 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
254 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
255 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
259 /* all available commands */
260 command_t cmdlist[] = {
261 {"setstripe", lfs_setstripe, 0,
262 "To create a file with specified striping/composite layout, or\n"
263 "create/replace the default layout on an existing directory:\n"
264 SSM_CMD_COMMON("setstripe")
265 " <directory|filename>\n"
267 "To add component(s) to an existing composite file:\n"
268 SSM_CMD_COMMON("setstripe --component-add")
270 "To totally delete the default striping from an existing directory:\n"
271 "usage: setstripe -d <directory>\n"
273 "To delete the last component(s) from an existing composite file\n"
274 "(note that this will also delete any data in those components):\n"
275 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
276 " [--component-flags|-F <comp_flags>]\n"
278 "\tcomp_id: Unique component ID to delete\n"
279 "\tcomp_flags: 'init' indicating all instantiated components\n"
280 "\t '^init' indicating all uninstantiated components\n"
281 "\t-I and -F cannot be specified at the same time\n"},
282 {"getstripe", lfs_getstripe, 0,
283 "To list the striping info for a given file or files in a\n"
284 "directory or recursively for all files in a directory tree.\n"
285 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
286 " [--stripe-count|-c] [--stripe-index|-i]\n"
287 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
288 " [--mdt|-m] [--recursive|-r] [--raw|-R] [--yaml|-y]\n"
289 " [--layout|-L] [--fid|-F] [--generation|-g]\n"
290 " [--component-id[=comp_id]|-I[comp_id]]\n"
291 " [--component-flags[=comp_flags]]\n"
292 " [--component-count]\n"
293 " [--component-start[=[+-]comp_start]]\n"
294 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
295 " <directory|filename> ..."},
296 {"setdirstripe", lfs_setdirstripe, 0,
297 "To create a striped directory on a specified MDT. This can only\n"
298 "be done on MDT0 with the right of administrator.\n"
299 "usage: setdirstripe [OPTION] <directory>\n"
301 {"getdirstripe", lfs_getdirstripe, 0,
302 "To list the striping info for a given directory\n"
303 "or recursively for all directories in a directory tree.\n"
304 "usage: getdirstripe [--obd|-O <uuid>] [--mdt-count|-c]\n"
305 " [--mdt-index|-i] [--mdt-hash|-t]\n"
306 " [--recursive|-r] [--yaml|-y]\n"
307 " [--default|-D] <dir> ..."},
308 {"mkdir", lfs_setdirstripe, 0,
309 "To create a striped directory on a specified MDT. This can only\n"
310 "be done on MDT0 with the right of administrator.\n"
311 "usage: mkdir [OPTION] <directory>\n"
313 {"rm_entry", lfs_rmentry, 0,
314 "To remove the name entry of the remote directory. Note: This\n"
315 "command will only delete the name entry, i.e. the remote directory\n"
316 "will become inaccessable after this command. This can only be done\n"
317 "by the administrator\n"
318 "usage: rm_entry <dir>\n"},
319 {"pool_list", lfs_poollist, 0,
320 "List pools or pool OSTs\n"
321 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
322 {"find", lfs_find, 0,
323 "find files matching given attributes recursively in directory tree.\n"
324 "usage: find <directory|filename> ...\n"
325 " [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
326 " [[!] --mtime|-M [+-]N] [[!] --mdt|-m <uuid|index,...>]\n"
327 " [--maxdepth|-D N] [[!] --name|-n <pattern>]\n"
328 " [[!] --ost|-O <uuid|index,...>] [--print|-p] [--print0|-P]\n"
329 " [[!] --size|-s [+-]N[bkMGTPE]]\n"
330 " [[!] --stripe-count|-c [+-]<stripes>]\n"
331 " [[!] --stripe-index|-i <index,...>]\n"
332 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
333 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
334 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
335 " [[!] --projid <projid>]\n"
336 " [[!] --layout|-L released,raid0,mdt]\n"
337 " [[!] --component-count [+-]<comp_cnt>]\n"
338 " [[!] --component-start [+-]N[kMGTPE]]\n"
339 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
340 " [[!] --component-flags <comp_flags>]\n"
341 " [[!] --mdt-count|-T [+-]<stripes>]\n"
342 " [[!] --mdt-hash|-H <hashtype>\n"
343 "\t !: used before an option indicates 'NOT' requested attribute\n"
344 "\t -: used before a value indicates less than requested value\n"
345 "\t +: used before a value indicates more than requested value\n"
346 "\tmdt-hash: hash type of the striped directory.\n"
347 "\t fnv_1a_64 FNV-1a hash algorithm\n"
348 "\t all_char sum of characters % MDT_COUNT\n"},
349 {"check", lfs_check, 0,
350 "Display the status of MDS or OSTs (as specified in the command)\n"
351 "or all the servers (MDS and OSTs).\n"
352 "usage: check <osts|mds|servers>"},
353 {"osts", lfs_osts, 0, "list OSTs connected to client "
354 "[for specified path only]\n" "usage: osts [path]"},
355 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
356 "[for specified path only]\n" "usage: mdts [path]"},
358 "report filesystem disk space usage or inodes usage"
359 "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
360 "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
361 {"getname", lfs_getname, 0, "list instances and specified mount points "
362 "[for specified path only]\n"
363 "Usage: getname [-h]|[path ...] "},
364 #ifdef HAVE_SYS_QUOTA_H
365 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
366 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
367 " -b <block-softlimit> -B <block-hardlimit>\n"
368 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
369 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
370 " [--block-softlimit <block-softlimit>]\n"
371 " [--block-hardlimit <block-hardlimit>]\n"
372 " [--inode-softlimit <inode-softlimit>]\n"
373 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
374 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
375 " [--block-grace <block-grace>]\n"
376 " [--inode-grace <inode-grace>] <filesystem>\n"
377 " -b can be used instead of --block-softlimit/--block-grace\n"
378 " -B can be used instead of --block-hardlimit\n"
379 " -i can be used instead of --inode-softlimit/--inode-grace\n"
380 " -I can be used instead of --inode-hardlimit\n\n"
381 "Note: The total quota space will be split into many qunits and\n"
382 " balanced over all server targets, the minimal qunit size is\n"
383 " 1M bytes for block space and 1K inodes for inode space.\n\n"
384 " Quota space rebalancing process will stop when this mininum\n"
385 " value is reached. As a result, quota exceeded can be returned\n"
386 " while many targets still have 1MB or 1K inodes of spare\n"
388 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
389 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
391 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
392 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>"},
393 {"project", lfs_project, 0,
394 "Change or list project attribute for specified file or directory.\n"
395 "usage: project [-d|-r] <file|directory...>\n"
396 " list project ID and flags on file(s) or directories\n"
397 " project [-p id] [-s] [-r] <file|directory...>\n"
398 " set project ID and/or inherit flag for specified file(s) or directories\n"
399 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
400 " check project ID and flags on file(s) or directories, print outliers\n"
401 " project -C [-r] [-k] <file|directory...>\n"
402 " clear the project inherit flag and ID on the file or directory\n"
405 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
406 "usage: flushctx [-k] [mountpoint...]"},
408 "Remote user copy files and directories.\n"
409 "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
411 "Remote user list directory contents.\n"
412 "usage: ls [OPTION]... [FILE]..."},
413 {"changelog", lfs_changelog, 0,
414 "Show the metadata changes on an MDT."
415 "\nusage: changelog <mdtname> [startrec [endrec]]"},
416 {"changelog_clear", lfs_changelog_clear, 0,
417 "Indicate that old changelog records up to <endrec> are no longer of "
418 "interest to consumer <id>, allowing the system to free up space.\n"
419 "An <endrec> of 0 means all records.\n"
420 "usage: changelog_clear <mdtname> <id> <endrec>"},
421 {"fid2path", lfs_fid2path, 0,
422 "Resolve the full path(s) for given FID(s). For a specific hardlink "
423 "specify link number <linkno>.\n"
424 /* "For a historical link name, specify changelog record <recno>.\n" */
425 "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
426 /* [ --rec <recno> ] */ },
427 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
428 "usage: path2fid [--parents] <path> ..."},
429 {"data_version", lfs_data_version, 0, "Display file data version for "
430 "a given path.\n" "usage: data_version -[n|r|w] <path>"},
431 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
432 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
433 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
434 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
435 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
436 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
438 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
439 "[--archived] [--lost] <file> ..."},
440 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
441 "given files.\n" "usage: hsm_action <file> ..."},
442 {"hsm_archive", lfs_hsm_archive, 0,
443 "Archive file to external storage.\n"
444 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
446 {"hsm_restore", lfs_hsm_restore, 0,
447 "Restore file from external storage.\n"
448 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
449 {"hsm_release", lfs_hsm_release, 0,
450 "Release files from Lustre.\n"
451 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
452 {"hsm_remove", lfs_hsm_remove, 0,
453 "Remove file copy from external storage.\n"
454 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
456 " (FILE [FILE ...] | "
457 "--mntpath MOUNTPATH FID [FID ...])\n"
459 "Note: To remove an archived copy of a file already deleted from a "
461 "--mntpath option and a list of FIDs must be specified"
463 {"hsm_cancel", lfs_hsm_cancel, 0,
464 "Cancel requests related to specified files.\n"
465 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
466 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
467 "usage: swap_layouts <path1> <path2>"},
468 {"migrate", lfs_setstripe_migrate, 0,
469 "migrate a directory between MDTs.\n"
470 "usage: migrate --mdt-index <mdt_idx> [--verbose|-v] "
472 "\tmdt_idx: index of the destination MDT\n"
474 "migrate file objects from one OST "
475 "layout\nto another (may be not safe with concurent writes).\n"
477 "[--stripe-count|-c] <stripe_count>\n"
478 " [--stripe-index|-i] <start_ost_index>\n"
479 " [--stripe-size|-S] <stripe_size>\n"
480 " [--pool|-p] <pool_name>\n"
481 " [--ost-list|-o] <ost_indices>\n"
483 " [--non-block|-n]\n"
484 " <file|directory>\n"
485 "\tstripe_count: number of OSTs to stripe a file over\n"
486 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
487 "\tstripe_size: number of bytes to store before moving to the next OST\n"
488 "\tpool_name: name of the predefined pool of OSTs\n"
489 "\tost_indices: OSTs to stripe over, in order\n"
490 "\tblock: wait for the operation to return before continuing\n"
491 "\tnon-block: do not wait for the operation to return.\n"},
493 "To move directories between MDTs. This command is deprecated, "
494 "use \"migrate\" instead.\n"
495 "usage: mv <directory|filename> [--mdt-index|-M] <mdt_index> "
497 {"ladvise", lfs_ladvise, 0,
498 "Provide servers with advice about access patterns for a file.\n"
499 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
500 " [--background|-b] [--unset|-u]\n\n"
501 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
502 " {[--mode|-m [READ,WRITE]}\n"
504 {"mirror", lfs_mirror, mirror_cmdlist,
505 "lfs commands used to manage files with mirrored components:\n"
506 "lfs mirror create - create a mirrored file or directory\n"
507 "lfs mirror extend - add mirror(s) to an existing file\n"
508 "lfs mirror split - split a mirror from an existing mirrored file\n"
509 "lfs mirror resync - resynchronize an out-of-sync mirrored file\n"
510 "lfs mirror verify - verify a mirrored file\n"},
511 {"help", Parser_help, 0, "help"},
512 {"exit", Parser_quit, 0, "quit"},
513 {"quit", Parser_quit, 0, "quit"},
514 {"--version", Parser_version, 0,
515 "output build version of the utility and exit"},
516 {"--list-commands", lfs_list_commands, 0,
517 "list commands supported by the utility and exit"},
522 static int check_hashtype(const char *hashtype)
526 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
527 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
534 static const char *error_loc = "syserror";
537 MIGRATION_NONBLOCK = 1 << 0,
538 MIGRATION_MIRROR = 1 << 1,
541 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
542 struct llapi_layout *layout);
545 migrate_open_files(const char *name, const struct llapi_stripe_param *param,
546 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
552 char parent[PATH_MAX];
553 char volatile_file[PATH_MAX];
559 if (param == NULL && layout == NULL) {
560 error_loc = "layout information";
564 /* search for file directory pathname */
565 if (strlen(name) > sizeof(parent) - 1) {
566 error_loc = "source file name";
570 strncpy(parent, name, sizeof(parent));
571 ptr = strrchr(parent, '/');
573 if (getcwd(parent, sizeof(parent)) == NULL) {
574 error_loc = "getcwd";
578 if (ptr == parent) /* leading '/' */
583 /* open file, direct io */
584 /* even if the file is only read, WR mode is nedeed to allow
585 * layout swap on fd */
586 fd = open(name, O_RDWR | O_DIRECT);
589 error_loc = "cannot open source file";
593 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
595 error_loc = "cannot get MDT index";
600 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
601 mode_t open_mode = S_IRUSR | S_IWUSR;
603 random_value = random();
604 rc = snprintf(volatile_file, sizeof(volatile_file),
605 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
606 mdt_index, random_value);
607 if (rc >= sizeof(volatile_file)) {
612 /* create, open a volatile file, use caching (ie no directio) */
614 fdv = llapi_file_open_param(volatile_file, open_flags,
617 fdv = lfs_component_create(volatile_file, open_flags,
619 } while (fdv < 0 && (rc = fdv) == -EEXIST);
622 error_loc = "cannot create volatile file";
626 /* In case the MDT does not support creation of volatile files
627 * we should try to unlink it. */
628 (void)unlink(volatile_file);
630 /* Not-owner (root?) special case.
631 * Need to set owner/group of volatile file like original.
632 * This will allow to pass related check during layout_swap.
637 error_loc = "cannot stat source file";
641 rc = fstat(fdv, &stv);
644 error_loc = "cannot stat volatile";
648 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
649 rc = fchown(fdv, st.st_uid, st.st_gid);
652 error_loc = "cannot change ownwership of volatile";
671 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
673 struct llapi_layout *layout;
674 size_t buf_size = 4 * 1024 * 1024;
683 layout = llapi_layout_get_by_fd(fd_src, 0);
684 if (layout != NULL) {
685 uint64_t stripe_size;
687 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
689 buf_size = stripe_size;
691 llapi_layout_free(layout);
694 /* Use a page-aligned buffer for direct I/O */
695 rc = posix_memalign(&buf, getpagesize(), buf_size);
700 /* read new data only if we have written all
701 * previously read data */
704 rc = check_file(fd_src);
709 rsize = read(fd_src, buf, buf_size);
721 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
740 static int migrate_copy_timestamps(int fd, int fdv)
744 if (fstat(fd, &st) == 0) {
745 struct timeval tv[2] = {
746 {.tv_sec = st.st_atime},
747 {.tv_sec = st.st_mtime}
750 return futimes(fdv, tv);
756 static int migrate_block(int fd, int fdv)
763 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
765 error_loc = "cannot get dataversion";
773 /* The grouplock blocks all concurrent accesses to the file.
774 * It has to be taken after llapi_get_data_version as it would
776 rc = llapi_group_lock(fd, gid);
778 error_loc = "cannot get group lock";
782 rc = migrate_copy_data(fd, fdv, NULL);
784 error_loc = "data copy failed";
788 /* Make sure we keep original atime/mtime values */
789 rc = migrate_copy_timestamps(fd, fdv);
791 error_loc = "timestamp copy failed";
796 * for a migration we need to check data version on file did
799 * Pass in gid=0 since we already own grouplock. */
800 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
801 SWAP_LAYOUTS_CHECK_DV1);
803 error_loc = "file changed";
806 error_loc = "cannot swap layout";
811 rc2 = llapi_group_unlock(fd, gid);
812 if (rc2 < 0 && rc == 0) {
813 error_loc = "unlock group lock";
821 * Internal helper for migrate_copy_data(). Check lease and report error if
824 * \param[in] fd File descriptor on which to check the lease.
826 * \retval 0 Migration can keep on going.
827 * \retval -errno Error occurred, abort migration.
829 static int check_lease(int fd)
833 rc = llapi_lease_check(fd);
835 return 0; /* llapi_check_lease returns > 0 on success. */
840 static int migrate_nonblock(int fd, int fdv)
846 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
848 error_loc = "cannot get data version";
852 rc = migrate_copy_data(fd, fdv, check_lease);
854 error_loc = "data copy failed";
858 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
860 error_loc = "cannot get data version";
866 error_loc = "source file changed";
870 /* Make sure we keep original atime/mtime values */
871 rc = migrate_copy_timestamps(fd, fdv);
873 error_loc = "timestamp copy failed";
880 static int lfs_component_set(char *fname, int comp_id, __u32 flags)
885 static int lfs_component_del(char *fname, __u32 comp_id, __u32 flags)
889 if (flags != 0 && comp_id != 0)
892 /* LCME_FL_INIT is the only supported flag in PFL */
894 if (flags & ~LCME_KNOWN_FLAGS) {
896 "%s setstripe: bad component flags %#x\n",
900 } else if (comp_id > LCME_ID_MAX) {
901 fprintf(stderr, "%s setstripe: bad component id %u\n",
906 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
909 "%s setstripe: cannot delete component %#x from '%s': %s\n",
910 progname, comp_id, fname, strerror(errno));
914 static int lfs_component_add(char *fname, struct llapi_layout *layout)
921 rc = llapi_layout_file_comp_add(fname, layout);
923 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
924 fname, strerror(errno));
928 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
929 struct llapi_layout *layout)
937 fd = lstat(fname, &st);
938 if (fd == 0 && S_ISDIR(st.st_mode))
939 open_flags = O_DIRECTORY | O_RDONLY;
941 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
943 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
944 S_ISDIR(st.st_mode) ?
945 "set default composite layout for" :
946 "create composite file",
947 fname, strerror(errno));
951 static int lfs_migrate(char *name, __u64 migration_flags,
952 struct llapi_stripe_param *param,
953 struct llapi_layout *layout)
959 rc = migrate_open_files(name, param, layout, &fd, &fdv);
963 if (!(migration_flags & MIGRATION_NONBLOCK)) {
964 /* Blocking mode (forced if servers do not support file lease).
965 * It is also the default mode, since we cannot distinguish
966 * between a broken lease and a server that does not support
967 * atomic swap/close (LU-6785) */
968 rc = migrate_block(fd, fdv);
972 rc = llapi_lease_get(fd, LL_LEASE_RDLCK);
974 error_loc = "cannot get lease";
978 rc = migrate_nonblock(fd, fdv);
984 /* Atomically put lease, swap layouts and close.
985 * for a migration we need to check data version on file did
987 rc = llapi_fswap_layouts(fd, fdv, 0, 0,
988 migration_flags & MIGRATION_MIRROR ?
989 MERGE_LAYOUTS_CLOSE : SWAP_LAYOUTS_CLOSE);
991 error_loc = "cannot swap layout";
1003 fprintf(stderr, "error: %s: %s: %s: %s\n",
1004 progname, name, error_loc, strerror(-rc));
1009 * struct mirror_args - Command-line arguments for mirror(s).
1010 * @m_count: Number of mirrors to be created with this layout.
1011 * @m_layout: Mirror layout.
1012 * @m_file: A victim file. Its layout will be split and used as a mirror.
1013 * @m_next: Point to the next node of the list.
1015 * Command-line arguments for mirror(s) will be parsed and stored in
1016 * a linked list that consists of this structure.
1018 struct mirror_args {
1020 struct llapi_layout *m_layout;
1022 struct mirror_args *m_next;
1025 static inline int mirror_sanity_check_one(struct llapi_layout *layout)
1027 uint64_t start, end;
1031 /* LU-10112: do not support dom+flr in phase 1 */
1032 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
1036 rc = llapi_layout_pattern_get(layout, &pattern);
1040 if (pattern == LOV_PATTERN_MDT || pattern == LLAPI_LAYOUT_MDT) {
1041 fprintf(stderr, "error: %s: doesn't support dom+flr for now\n",
1046 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_LAST);
1050 rc = llapi_layout_comp_extent_get(layout, &start, &end);
1054 if (end != LUSTRE_EOF) {
1055 fprintf(stderr, "error: %s: mirror layout doesn't reach eof\n",
1064 * enum mirror_flags - Flags for extending a mirrored file.
1065 * @NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1066 * in case the victim file(s) contains the same data as the
1067 * original mirrored file.
1069 * Flags for extending a mirrored file.
1076 * mirror_create_sanity_check() - Check mirror list.
1077 * @list: A linked list that stores the mirror arguments.
1079 * This function does a sanity check on @list for creating
1082 * Return: 0 on success or a negative error code on failure.
1084 static int mirror_create_sanity_check(const char *fname,
1085 struct mirror_args *list)
1088 bool has_m_file = false;
1089 bool has_m_layout = false;
1095 struct llapi_layout *layout;
1097 layout = llapi_layout_get_by_path(fname, 0);
1100 "error: %s: file '%s' couldn't get layout\n",
1105 rc = mirror_sanity_check_one(layout);
1106 llapi_layout_free(layout);
1112 while (list != NULL) {
1113 if (list->m_file != NULL) {
1115 llapi_layout_free(list->m_layout);
1118 llapi_layout_get_by_path(list->m_file, 0);
1119 if (list->m_layout == NULL) {
1121 "error: %s: file '%s' has no layout\n",
1122 progname, list->m_file);
1126 if (list->m_layout != NULL)
1127 has_m_layout = true;
1129 fprintf(stderr, "error: %s: no mirror layout\n",
1135 rc = mirror_sanity_check_one(list->m_layout);
1139 list = list->m_next;
1142 if (has_m_file && has_m_layout) {
1143 fprintf(stderr, "error: %s: -f <victim_file> option should not "
1144 "be specified with setstripe options or "
1145 "--parent option\n", progname);
1153 * mirror_create() - Create a mirrored file.
1154 * @fname: The file to be created.
1155 * @mirror_list: A linked list that stores the mirror arguments.
1157 * This function creates a mirrored file @fname with the mirror(s)
1158 * from @mirror_list.
1160 * Return: 0 on success or a negative error code on failure.
1162 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1164 struct llapi_layout *layout = NULL;
1165 struct mirror_args *cur_mirror = NULL;
1166 uint16_t mirror_count = 0;
1170 rc = mirror_create_sanity_check(NULL, mirror_list);
1174 cur_mirror = mirror_list;
1175 while (cur_mirror != NULL) {
1176 for (i = 0; i < cur_mirror->m_count; i++) {
1177 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1180 fprintf(stderr, "error: %s: "
1181 "merge layout failed: %s\n",
1182 progname, strerror(errno));
1186 mirror_count += cur_mirror->m_count;
1187 cur_mirror = cur_mirror->m_next;
1190 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1193 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1194 progname, strerror(errno));
1198 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0644,
1206 llapi_layout_free(layout);
1211 * Compare files and check lease on @fd.
1213 * \retval bytes number of bytes are the same
1215 static ssize_t mirror_file_compare(int fd, int fdv)
1217 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1219 ssize_t bytes_done = 0;
1220 ssize_t bytes_read = 0;
1222 buf = malloc(buflen * 2);
1227 if (!llapi_lease_check(fd)) {
1228 bytes_done = -EBUSY;
1232 bytes_read = read(fd, buf, buflen);
1233 if (bytes_read <= 0)
1236 if (bytes_read != read(fdv, buf + buflen, buflen))
1239 /* XXX: should compute the checksum on each buffer and then
1240 * compare checksum to avoid cache collision */
1241 if (memcmp(buf, buf + buflen, bytes_read))
1244 bytes_done += bytes_read;
1252 static int mirror_extend_file(const char *fname, const char *victim_file,
1253 enum mirror_flags mirror_flags)
1258 struct stat stbuf_v;
1262 fd = open(fname, O_RDWR);
1264 error_loc = "open source file";
1269 fdv = open(victim_file, O_RDWR);
1271 error_loc = "open target file";
1276 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1277 error_loc = "stat source or target file";
1282 if (stbuf.st_dev != stbuf_v.st_dev) {
1283 error_loc = "stat source and target file";
1288 /* mirrors should be of the same size */
1289 if (stbuf.st_size != stbuf_v.st_size) {
1290 error_loc = "file sizes don't match";
1295 rc = llapi_lease_get(fd, LL_LEASE_RDLCK);
1297 error_loc = "cannot get lease";
1301 if (!(mirror_flags & NO_VERIFY)) {
1303 /* mirrors should have the same contents */
1304 ret = mirror_file_compare(fd, fdv);
1305 if (ret != stbuf.st_size) {
1306 error_loc = "file busy or contents don't match";
1307 rc = ret < 0 ? ret : -EINVAL;
1312 /* Get rid of caching pages from clients */
1313 rc = llapi_get_data_version(fd, &dv, LL_DV_WR_FLUSH);
1315 error_loc = "cannot get data version";
1319 rc = llapi_get_data_version(fdv, &dv, LL_DV_WR_FLUSH);
1321 error_loc = "cannot get data version";
1326 /* Make sure we keep original atime/mtime values */
1327 rc = migrate_copy_timestamps(fd, fdv);
1329 /* Atomically put lease, swap layouts and close.
1330 * for a migration we need to check data version on file did
1332 rc = llapi_fswap_layouts(fd, fdv, 0, 0, MERGE_LAYOUTS_CLOSE);
1334 error_loc = "cannot swap layout";
1346 (void) unlink(victim_file);
1349 fprintf(stderr, "error: %s: %s: %s: %s\n",
1350 progname, fname, error_loc, strerror(-rc));
1354 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1355 enum mirror_flags mirror_flags)
1359 rc = mirror_create_sanity_check(fname, mirror_list);
1363 while (mirror_list) {
1364 if (mirror_list->m_file != NULL) {
1365 rc = mirror_extend_file(fname, mirror_list->m_file,
1368 __u32 mirror_count = mirror_list->m_count;
1370 while (mirror_count > 0) {
1371 rc = lfs_migrate(fname,
1372 MIGRATION_NONBLOCK | MIGRATION_MIRROR,
1373 NULL, mirror_list->m_layout);
1383 mirror_list = mirror_list->m_next;
1390 * Parse a string containing an target index list into an array of integers.
1392 * The input string contains a comma delimited list of individual
1393 * indices and ranges, for example "1,2-4,7". Add the indices into the
1394 * \a tgts array and remove duplicates.
1396 * \param[out] tgts array to store indices in
1397 * \param[in] size size of \a tgts array
1398 * \param[in] offset starting index in \a tgts
1399 * \param[in] arg string containing OST index list
1401 * \retval positive number of indices in \a tgts
1402 * \retval -EINVAL unable to parse \a arg
1404 static int parse_targets(__u32 *tgts, int size, int offset, char *arg)
1408 int slots = size - offset;
1415 end_of_loop = false;
1416 while (!end_of_loop) {
1420 char *endptr = NULL;
1424 ptr = strchrnul(arg, ',');
1426 end_of_loop = *ptr == '\0';
1429 start_index = strtol(arg, &endptr, 0);
1430 if (endptr == arg) /* no data at all */
1432 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
1435 end_index = start_index;
1436 if (*endptr == '-') {
1437 end_index = strtol(endptr + 1, &endptr, 0);
1438 if (*endptr != '\0')
1440 if (end_index < start_index)
1444 for (i = start_index; i <= end_index && slots > 0; i++) {
1447 /* remove duplicate */
1448 for (j = 0; j < offset; j++) {
1452 if (j == offset) { /* no duplicate */
1457 if (slots == 0 && i < end_index)
1465 if (!end_of_loop && ptr != NULL)
1468 return rc < 0 ? rc : nr;
1471 struct lfs_setstripe_args {
1472 unsigned long long lsa_comp_end;
1473 unsigned long long lsa_stripe_size;
1474 long long lsa_stripe_count;
1475 long long lsa_stripe_off;
1476 __u32 lsa_comp_flags;
1478 unsigned long long lsa_pattern;
1480 char *lsa_pool_name;
1483 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
1485 memset(lsa, 0, sizeof(*lsa));
1487 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
1488 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
1489 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
1490 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
1491 lsa->lsa_pool_name = NULL;
1495 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
1496 * @lsa: Stripe options to be initialized and inherited.
1498 * This function initializes stripe options in @lsa and inherit
1499 * stripe_size, stripe_count and OST pool_name options.
1503 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
1505 unsigned long long stripe_size;
1506 long long stripe_count;
1507 char *pool_name = NULL;
1509 stripe_size = lsa->lsa_stripe_size;
1510 stripe_count = lsa->lsa_stripe_count;
1511 pool_name = lsa->lsa_pool_name;
1513 setstripe_args_init(lsa);
1515 lsa->lsa_stripe_size = stripe_size;
1516 lsa->lsa_stripe_count = stripe_count;
1517 lsa->lsa_pool_name = pool_name;
1520 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
1522 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
1523 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
1524 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
1525 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
1526 lsa->lsa_pool_name != NULL ||
1527 lsa->lsa_comp_end != 0);
1531 * comp_args_to_layout() - Create or extend a composite layout.
1532 * @composite: Pointer to the composite layout.
1533 * @lsa: Stripe options for the new component.
1535 * This function creates or extends a composite layout by adding a new
1536 * component with stripe options from @lsa.
1538 * Return: 0 on success or an error code on failure.
1540 static int comp_args_to_layout(struct llapi_layout **composite,
1541 struct lfs_setstripe_args *lsa)
1543 struct llapi_layout *layout = *composite;
1544 uint64_t prev_end = 0;
1547 if (layout == NULL) {
1548 layout = llapi_layout_alloc();
1549 if (layout == NULL) {
1550 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
1554 *composite = layout;
1558 /* Get current component extent, current component
1559 * must be the tail component. */
1560 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
1562 fprintf(stderr, "Get comp extent failed. %s\n",
1567 rc = llapi_layout_comp_add(layout);
1569 fprintf(stderr, "Add component failed. %s\n",
1575 rc = llapi_layout_comp_extent_set(layout, prev_end, lsa->lsa_comp_end);
1577 fprintf(stderr, "Set extent [%lu, %llu) failed. %s\n",
1578 prev_end, lsa->lsa_comp_end, strerror(errno));
1582 /* Data-on-MDT component setting */
1583 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
1584 /* In case of Data-on-MDT patterns the only extra option
1585 * applicable is stripe size option. */
1586 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
1587 fprintf(stderr, "Option 'stripe-count' can't be "
1588 "specified with Data-on-MDT component: %lld\n",
1589 lsa->lsa_stripe_count);
1592 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
1593 fprintf(stderr, "Option 'stripe-size' can't be "
1594 "specified with Data-on-MDT component: %llu\n",
1595 lsa->lsa_stripe_size);
1598 if (lsa->lsa_nr_tgts != 0) {
1599 fprintf(stderr, "Option 'ost-list' can't be specified "
1600 "with Data-on-MDT component: '%i'\n",
1604 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
1605 fprintf(stderr, "Option 'stripe-offset' can't be "
1606 "specified with Data-on-MDT component: %lld\n",
1607 lsa->lsa_stripe_off);
1610 if (lsa->lsa_pool_name != 0) {
1611 fprintf(stderr, "Option 'pool' can't be specified "
1612 "with Data-on-MDT component: '%s'\n",
1613 lsa->lsa_pool_name);
1617 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
1619 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
1620 lsa->lsa_pattern, strerror(errno));
1623 /* Data-on-MDT component has always single stripe up to end */
1624 lsa->lsa_stripe_size = lsa->lsa_comp_end;
1627 rc = llapi_layout_stripe_size_set(layout, lsa->lsa_stripe_size);
1629 fprintf(stderr, "Set stripe size %llu failed: %s\n",
1630 lsa->lsa_stripe_size, strerror(errno));
1634 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
1636 fprintf(stderr, "Set stripe count %lld failed: %s\n",
1637 lsa->lsa_stripe_count, strerror(errno));
1641 if (lsa->lsa_pool_name != NULL) {
1642 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
1644 fprintf(stderr, "Set pool name: %s failed. %s\n",
1645 lsa->lsa_pool_name, strerror(errno));
1649 rc = llapi_layout_pool_name_set(layout, "");
1651 fprintf(stderr, "Clear pool name failed: %s\n",
1657 if (lsa->lsa_nr_tgts > 0) {
1658 if (lsa->lsa_stripe_count > 0 &&
1659 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
1660 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
1661 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
1662 fprintf(stderr, "stripe_count(%lld) != nr_osts(%d)\n",
1663 lsa->lsa_stripe_count, lsa->lsa_nr_tgts);
1666 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
1667 rc = llapi_layout_ost_index_set(layout, i,
1672 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
1673 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
1676 fprintf(stderr, "Set ost index %d failed. %s\n",
1677 i, strerror(errno));
1684 /* In 'lfs setstripe --component-add' mode, we need to fetch the extent
1685 * end of the last component in the existing file, and adjust the
1686 * first extent start of the components to be added accordingly. */
1687 static int adjust_first_extent(char *fname, struct llapi_layout *layout)
1689 struct llapi_layout *head;
1690 uint64_t start, end, stripe_size, prev_end = 0;
1693 if (layout == NULL) {
1695 "%s setstripe: layout must be specified\n",
1701 head = llapi_layout_get_by_path(fname, 0);
1704 "%s setstripe: cannot read layout from '%s': %s\n",
1705 progname, fname, strerror(errno));
1707 } else if (errno == ENODATA) {
1708 /* file without LOVEA, this component-add will be turned
1709 * into a component-create. */
1710 llapi_layout_free(head);
1712 } else if (!llapi_layout_is_composite(head)) {
1713 fprintf(stderr, "%s setstripe: '%s' not a composite file\n",
1715 llapi_layout_free(head);
1719 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
1721 fprintf(stderr, "%s setstripe: cannot get prev extent: %s\n",
1722 progname, strerror(errno));
1723 llapi_layout_free(head);
1727 llapi_layout_free(head);
1729 /* Make sure we use the first component of the layout to be added. */
1730 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
1733 "%s setstripe: cannot move component cursor: %s\n",
1734 progname, strerror(errno));
1738 rc = llapi_layout_comp_extent_get(layout, &start, &end);
1740 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
1741 progname, strerror(errno));
1745 if (start > prev_end || end <= prev_end) {
1747 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
1748 progname, start, end, prev_end);
1752 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
1754 fprintf(stderr, "%s setstripe: cannot get stripe size: %s\n",
1755 progname, strerror(errno));
1759 if (stripe_size != LLAPI_LAYOUT_DEFAULT &&
1760 (prev_end & (stripe_size - 1))) {
1762 "%s setstripe: stripe size %lu not aligned with %lu\n",
1763 progname, stripe_size, prev_end);
1767 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
1770 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
1771 progname, prev_end, end, strerror(errno));
1778 static inline bool comp_flags_is_neg(__u32 flags)
1780 return flags & LCME_FL_NEG;
1783 static inline void comp_flags_set_neg(__u32 *flags)
1785 *flags |= LCME_FL_NEG;
1788 static inline void comp_flags_clear_neg(__u32 *flags)
1790 *flags &= ~LCME_FL_NEG;
1793 static int comp_str2flags(__u32 *flags, char *string)
1796 __u32 neg_flags = 0;
1802 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1806 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1807 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1808 const char *comp_name = comp_flags_table[i].cfn_name;
1810 if (strcmp(name, comp_name) == 0) {
1811 *flags |= comp_flag;
1813 } else if (strncmp(name, "^", 1) == 0 &&
1814 strcmp(name + 1, comp_name) == 0) {
1815 neg_flags |= comp_flag;
1820 llapi_printf(LLAPI_MSG_ERROR,
1821 "%s: component flag '%s' not supported\n",
1827 if (*flags == 0 && neg_flags == 0)
1829 /* don't support mixed flags for now */
1830 if (*flags && neg_flags)
1835 comp_flags_set_neg(flags);
1841 static inline bool arg_is_eof(char *arg)
1843 return !strncmp(arg, "-1", strlen("-1")) ||
1844 !strncmp(arg, "EOF", strlen("EOF")) ||
1845 !strncmp(arg, "eof", strlen("eof"));
1849 * lfs_mirror_alloc() - Allocate a mirror argument structure.
1851 * Return: Valid mirror_args pointer on success and
1852 * NULL if memory allocation fails.
1854 static struct mirror_args *lfs_mirror_alloc(void)
1856 struct mirror_args *mirror = NULL;
1859 mirror = calloc(1, sizeof(*mirror));
1870 * lfs_mirror_free() - Free memory allocated for a mirror argument
1872 * @mirror: Previously allocated mirror argument structure by
1873 * lfs_mirror_alloc().
1875 * Free memory allocated for @mirror.
1879 static void lfs_mirror_free(struct mirror_args *mirror)
1881 if (mirror->m_layout != NULL)
1882 llapi_layout_free(mirror->m_layout);
1887 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
1888 * @mirror_list: Previously allocated mirror list.
1890 * Free memory allocated for @mirror_list.
1894 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
1896 struct mirror_args *next_mirror = NULL;
1898 while (mirror_list != NULL) {
1899 next_mirror = mirror_list->m_next;
1900 lfs_mirror_free(mirror_list);
1901 mirror_list = next_mirror;
1913 LFS_COMP_USE_PARENT_OPT,
1914 LFS_COMP_NO_VERIFY_OPT,
1919 static int lfs_setstripe0(int argc, char **argv, enum setstripe_origin opc)
1921 struct lfs_setstripe_args lsa;
1922 struct llapi_stripe_param *param = NULL;
1923 struct find_param migrate_mdt_param = {
1933 char *mdt_idx_arg = NULL;
1934 unsigned long long size_units = 1;
1935 bool migrate_mode = false;
1936 bool migration_block = false;
1937 __u64 migration_flags = 0;
1938 __u32 osts[LOV_MAX_STRIPE_COUNT] = { 0 };
1939 int comp_del = 0, comp_set = 0;
1942 struct llapi_layout *layout = NULL;
1943 struct llapi_layout **lpp = &layout;
1944 bool mirror_mode = false;
1945 bool has_m_file = false;
1946 __u32 mirror_count = 0;
1947 enum mirror_flags mirror_flags = 0;
1948 struct mirror_args *mirror_list = NULL;
1949 struct mirror_args *new_mirror = NULL;
1950 struct mirror_args *last_mirror = NULL;
1953 struct option long_opts[] = {
1954 /* --block is only valid in migrate mode */
1955 { .val = 'b', .name = "block", .has_arg = no_argument},
1956 { .val = LFS_COMP_ADD_OPT,
1957 .name = "comp-add", .has_arg = no_argument},
1958 { .val = LFS_COMP_ADD_OPT,
1959 .name = "component-add",
1960 .has_arg = no_argument},
1961 { .val = LFS_COMP_DEL_OPT,
1962 .name = "comp-del", .has_arg = no_argument},
1963 { .val = LFS_COMP_DEL_OPT,
1964 .name = "component-del",
1965 .has_arg = no_argument},
1966 { .val = LFS_COMP_FLAGS_OPT,
1967 .name = "comp-flags", .has_arg = required_argument},
1968 { .val = LFS_COMP_FLAGS_OPT,
1969 .name = "component-flags",
1970 .has_arg = required_argument},
1971 { .val = LFS_COMP_SET_OPT,
1972 .name = "comp-set", .has_arg = no_argument},
1973 { .val = LFS_COMP_SET_OPT,
1974 .name = "component-set",
1975 .has_arg = no_argument},
1976 { .val = LFS_COMP_USE_PARENT_OPT,
1977 .name = "parent", .has_arg = no_argument},
1978 { .val = LFS_COMP_NO_VERIFY_OPT,
1979 .name = "no-verify", .has_arg = no_argument},
1980 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
1981 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
1982 { .val = 'd', .name = "delete", .has_arg = no_argument},
1983 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
1984 { .val = 'E', .name = "component-end",
1985 .has_arg = required_argument},
1986 { .val = 'f', .name = "file", .has_arg = required_argument },
1987 /* dirstripe {"mdt-hash", required_argument, 0, 'H'}, */
1988 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
1989 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
1990 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
1991 { .val = 'I', .name = "component-id", .has_arg = required_argument},
1992 { .val = 'L', .name = "layout", .has_arg = required_argument },
1993 { .val = 'm', .name = "mdt", .has_arg = required_argument},
1994 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
1995 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
1996 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
1997 /* --non-block is only valid in migrate mode */
1998 { .val = 'n', .name = "non-block", .has_arg = no_argument},
1999 { .val = 'o', .name = "ost", .has_arg = required_argument},
2000 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2001 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
2002 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
2004 { .val = 'p', .name = "pool", .has_arg = required_argument },
2005 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
2006 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
2007 /* dirstripe {"mdt-count", required_argument, 0, 'T'}, */
2008 /* --verbose is only valid in migrate mode */
2009 { .val = 'v', .name = "verbose", .has_arg = no_argument },
2012 setstripe_args_init(&lsa);
2014 migrate_mode = (opc == SO_MIGRATE);
2015 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
2017 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
2019 while ((c = getopt_long(argc, argv, "bc:dE:f:i:I:m:N::no:p:L:s:S:v",
2020 long_opts, NULL)) >= 0) {
2025 case LFS_COMP_ADD_OPT:
2028 case LFS_COMP_DEL_OPT:
2031 case LFS_COMP_FLAGS_OPT:
2032 result = comp_str2flags(&lsa.lsa_comp_flags, optarg);
2036 case LFS_COMP_SET_OPT:
2039 case LFS_COMP_USE_PARENT_OPT:
2041 fprintf(stderr, "error: %s: --parent must be "
2042 "specified with --mirror-count|-N "
2043 "option\n", progname);
2046 setstripe_args_init(&lsa);
2048 case LFS_COMP_NO_VERIFY_OPT:
2049 mirror_flags |= NO_VERIFY;
2052 if (!migrate_mode) {
2054 "%s %s: -b|--block valid only for migrate command\n",
2058 migration_block = true;
2061 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
2064 "%s %s: invalid stripe count '%s'\n",
2065 progname, argv[0], optarg);
2069 if (lsa.lsa_stripe_count == -1)
2070 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
2073 /* delete the default striping pattern */
2077 if (lsa.lsa_comp_end != 0) {
2078 result = comp_args_to_layout(lpp, &lsa);
2081 "%s %s: invalid layout\n",
2086 setstripe_args_init_inherit(&lsa);
2089 if (arg_is_eof(optarg)) {
2090 lsa.lsa_comp_end = LUSTRE_EOF;
2092 result = llapi_parse_size(optarg,
2097 "%s %s: invalid component end '%s'\n",
2098 progname, argv[0], optarg);
2104 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
2107 "%s %s: invalid stripe offset '%s'\n",
2108 progname, argv[0], optarg);
2111 if (lsa.lsa_stripe_off == -1)
2112 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2115 comp_id = strtoul(optarg, &end, 0);
2116 if (*end != '\0' || comp_id == 0 ||
2117 comp_id > LCME_ID_MAX) {
2119 "%s %s: invalid component ID '%s'\n",
2120 progname, argv[0], optarg);
2125 if (opc != SO_MIRROR_EXTEND) {
2127 "error: %s: invalid option: %s\n",
2128 progname, argv[optopt + 1]);
2131 if (last_mirror == NULL) {
2132 fprintf(stderr, "error: %s: '-N' must exist "
2133 "in front of '%s'\n",
2134 progname, argv[optopt + 1]);
2138 last_mirror->m_file = optarg;
2139 last_mirror->m_count = 1;
2143 if (strcmp(argv[optind - 1], "mdt") == 0) {
2144 /* Can be only the first component */
2145 if (layout != NULL) {
2147 fprintf(stderr, "error: 'mdt' layout "
2148 "can be only the first one\n");
2151 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
2153 fprintf(stderr, "error: 'mdt' layout "
2154 "size is too big\n");
2157 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
2158 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
2160 fprintf(stderr, "error: layout '%s' is "
2161 "unknown, supported layouts are: "
2162 "'mdt', 'raid0'\n", argv[optind]);
2167 if (!migrate_mode) {
2169 "%s %s: -m|--mdt-index valid only for migrate command\n",
2173 mdt_idx_arg = optarg;
2176 if (!migrate_mode) {
2178 "%s %s: -n|--non-block valid only for migrate command\n",
2182 migration_flags |= MIGRATION_NONBLOCK;
2185 if (opc == SO_SETSTRIPE) {
2186 opc = SO_MIRROR_CREATE;
2190 if (optarg != NULL) {
2191 mirror_count = strtoul(optarg, &end, 0);
2192 if (*end != '\0' || mirror_count == 0) {
2194 "error: %s: bad mirror count: %s\n",
2201 new_mirror = lfs_mirror_alloc();
2202 new_mirror->m_count = mirror_count;
2204 if (mirror_list == NULL)
2205 mirror_list = new_mirror;
2207 if (last_mirror != NULL) {
2208 /* wrap up last mirror */
2209 if (lsa.lsa_comp_end == 0)
2210 lsa.lsa_comp_end = LUSTRE_EOF;
2212 result = comp_args_to_layout(lpp, &lsa);
2214 lfs_mirror_free(new_mirror);
2218 setstripe_args_init_inherit(&lsa);
2220 last_mirror->m_next = new_mirror;
2223 last_mirror = new_mirror;
2224 lpp = &last_mirror->m_layout;
2227 lsa.lsa_nr_tgts = parse_targets(osts,
2228 sizeof(osts) / sizeof(__u32),
2229 lsa.lsa_nr_tgts, optarg);
2230 if (lsa.lsa_nr_tgts < 0) {
2232 "%s %s: invalid OST target(s) '%s'\n",
2233 progname, argv[0], optarg);
2237 lsa.lsa_tgts = osts;
2238 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
2239 lsa.lsa_stripe_off = osts[0];
2244 lsa.lsa_pool_name = optarg;
2247 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
2251 "%s %s: invalid stripe size '%s'\n",
2252 progname, argv[0], optarg);
2257 if (!migrate_mode) {
2259 "%s %s: -v|--verbose valid only for migrate command\n",
2263 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
2266 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
2267 progname, argv[0], argv[optind - 1]);
2272 fname = argv[optind];
2274 if (optind == argc) {
2275 fprintf(stderr, "%s %s: FILE must be specified\n",
2280 if (mirror_mode && mirror_count == 0) {
2282 "error: %s: --mirror-count|-N option is required\n",
2289 if (lsa.lsa_comp_end == 0)
2290 lsa.lsa_comp_end = LUSTRE_EOF;
2293 if (lsa.lsa_comp_end != 0) {
2294 result = comp_args_to_layout(lpp, &lsa);
2299 if (mirror_flags & NO_VERIFY) {
2300 if (opc != SO_MIRROR_EXTEND) {
2302 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
2306 } else if (!has_m_file) {
2308 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
2315 /* Only LCME_FL_INIT flags is used in PFL, and it shouldn't be
2316 * altered by user space tool, so we don't need to support the
2317 * --component-set for this moment. */
2318 if (comp_set != 0) {
2319 fprintf(stderr, "%s %s: --component-set not supported\n",
2324 if ((delete + comp_set + comp_del + comp_add) > 1) {
2326 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
2331 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
2332 lsa.lsa_comp_flags != 0 || layout != NULL)) {
2334 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
2339 if ((comp_set || comp_del) &&
2340 (setstripe_args_specified(&lsa) || layout != NULL)) {
2342 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
2347 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
2349 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
2354 if (comp_add || comp_del) {
2357 result = lstat(fname, &st);
2358 if (result == 0 && S_ISDIR(st.st_mode)) {
2360 "%s setstripe: cannot use --component-add or --component-del for directory\n",
2366 fprintf(stderr, "error: %s: can't use --component-add "
2367 "or --component-del for mirror operation\n",
2374 if (layout == NULL) {
2376 "%s %s: option -E must be specified with --component-add\n",
2381 result = adjust_first_extent(fname, layout);
2382 if (result == -ENODATA)
2384 else if (result != 0)
2388 if (mdt_idx_arg != NULL && optind > 3) {
2390 "%s %s: option -m cannot be used with other options\n",
2395 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
2397 "%s %s: options --non-block and --block are mutually exclusive\n",
2402 if (!comp_del && !comp_set && comp_id != 0) {
2404 "%s %s: option -I can only be used with --component-del\n",
2409 if (mdt_idx_arg != NULL) {
2410 /* initialize migrate mdt parameters */
2411 migrate_mdt_param.fp_mdt_index = strtoul(mdt_idx_arg, &end, 0);
2413 fprintf(stderr, "%s %s: invalid MDT index '%s'\n",
2414 progname, argv[0], mdt_idx_arg);
2417 migrate_mdt_param.fp_migrate = 1;
2418 } else if (layout == NULL) {
2419 /* initialize stripe parameters */
2420 param = calloc(1, offsetof(typeof(*param),
2421 lsp_osts[lsa.lsa_nr_tgts]));
2422 if (param == NULL) {
2424 "%s %s: cannot allocate memory for parameters: %s\n",
2425 progname, argv[0], strerror(ENOMEM));
2430 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
2431 param->lsp_stripe_size = lsa.lsa_stripe_size;
2432 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2433 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
2434 param->lsp_stripe_count = -1;
2436 param->lsp_stripe_count = lsa.lsa_stripe_count;
2438 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
2439 param->lsp_stripe_offset = -1;
2441 param->lsp_stripe_offset = lsa.lsa_stripe_off;
2442 param->lsp_pool = lsa.lsa_pool_name;
2443 param->lsp_is_specific = false;
2444 if (lsa.lsa_nr_tgts > 0) {
2445 if (lsa.lsa_stripe_count > 0 &&
2446 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2447 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2448 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
2449 fprintf(stderr, "error: %s: stripe count %lld "
2450 "doesn't match the number of OSTs: %d\n"
2451 , argv[0], lsa.lsa_stripe_count,
2457 param->lsp_is_specific = true;
2458 param->lsp_stripe_count = lsa.lsa_nr_tgts;
2459 memcpy(param->lsp_osts, osts,
2460 sizeof(*osts) * lsa.lsa_nr_tgts);
2464 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
2465 if (mdt_idx_arg != NULL) {
2466 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
2467 } else if (migrate_mode) {
2468 result = lfs_migrate(fname, migration_flags, param,
2470 } else if (comp_set != 0) {
2471 result = lfs_component_set(fname, comp_id,
2472 lsa.lsa_comp_flags);
2473 } else if (comp_del != 0) {
2474 result = lfs_component_del(fname, comp_id,
2475 lsa.lsa_comp_flags);
2476 } else if (comp_add != 0) {
2477 result = lfs_component_add(fname, layout);
2478 } else if (opc == SO_MIRROR_CREATE) {
2479 result = mirror_create(fname, mirror_list);
2480 } else if (opc == SO_MIRROR_EXTEND) {
2481 result = mirror_extend(fname, mirror_list,
2483 } else if (layout != NULL) {
2484 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
2491 result = llapi_file_open_param(fname,
2500 /* Save the first error encountered. */
2508 llapi_layout_free(layout);
2509 lfs_mirror_list_free(mirror_list);
2514 llapi_layout_free(layout);
2515 lfs_mirror_list_free(mirror_list);
2519 static int lfs_poollist(int argc, char **argv)
2524 return llapi_poollist(argv[1]);
2527 static int set_time(time_t *time, time_t *set, char *str)
2534 else if (str[0] == '-')
2540 t = strtol(str, NULL, 0);
2541 if (*time < t * 24 * 60 * 60) {
2544 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
2548 *set = *time - t * 24 * 60 * 60;
2551 static int name2uid(unsigned int *id, const char *name)
2553 struct passwd *passwd;
2555 passwd = getpwnam(name);
2558 *id = passwd->pw_uid;
2563 static int name2gid(unsigned int *id, const char *name)
2565 struct group *group;
2567 group = getgrnam(name);
2570 *id = group->gr_gid;
2575 static inline int name2projid(unsigned int *id, const char *name)
2580 static int uid2name(char **name, unsigned int id)
2582 struct passwd *passwd;
2584 passwd = getpwuid(id);
2587 *name = passwd->pw_name;
2592 static inline int gid2name(char **name, unsigned int id)
2594 struct group *group;
2596 group = getgrgid(id);
2599 *name = group->gr_name;
2604 static int name2layout(__u32 *layout, char *name)
2606 char *ptr, *layout_name;
2609 for (ptr = name; ; ptr = NULL) {
2610 layout_name = strtok(ptr, ",");
2611 if (layout_name == NULL)
2613 if (strcmp(layout_name, "released") == 0)
2614 *layout |= LOV_PATTERN_F_RELEASED;
2615 else if (strcmp(layout_name, "raid0") == 0)
2616 *layout |= LOV_PATTERN_RAID0;
2617 else if (strcmp(layout_name, "mdt") == 0)
2618 *layout |= LOV_PATTERN_MDT;
2625 static int lfs_find(int argc, char **argv)
2630 struct find_param param = {
2634 struct option long_opts[] = {
2635 { .val = 'A', .name = "atime", .has_arg = required_argument },
2636 { .val = LFS_COMP_COUNT_OPT,
2637 .name = "comp-count", .has_arg = required_argument },
2638 { .val = LFS_COMP_COUNT_OPT,
2639 .name = "component-count",
2640 .has_arg = required_argument },
2641 { .val = LFS_COMP_FLAGS_OPT,
2642 .name = "comp-flags", .has_arg = required_argument },
2643 { .val = LFS_COMP_FLAGS_OPT,
2644 .name = "component-flags",
2645 .has_arg = required_argument },
2646 { .val = LFS_COMP_START_OPT,
2647 .name = "comp-start", .has_arg = required_argument },
2648 { .val = LFS_COMP_START_OPT,
2649 .name = "component-start",
2650 .has_arg = required_argument },
2651 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
2652 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
2653 { .val = 'C', .name = "ctime", .has_arg = required_argument },
2654 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
2655 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
2656 { .val = 'E', .name = "component-end",
2657 .has_arg = required_argument },
2658 { .val = 'g', .name = "gid", .has_arg = required_argument },
2659 { .val = 'G', .name = "group", .has_arg = required_argument },
2660 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
2661 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
2662 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
2663 /*{"component-id", required_argument, 0, 'I'},*/
2664 { .val = 'L', .name = "layout", .has_arg = required_argument },
2665 { .val = 'm', .name = "mdt", .has_arg = required_argument },
2666 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
2667 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
2668 { .val = 'M', .name = "mtime", .has_arg = required_argument },
2669 { .val = 'n', .name = "name", .has_arg = required_argument },
2670 /* reserve {"or", no_argument, , 0, 'o'}, to match find(1) */
2671 { .val = 'O', .name = "obd", .has_arg = required_argument },
2672 { .val = 'O', .name = "ost", .has_arg = required_argument },
2673 /* no short option for pool, p/P already used */
2674 { .val = LFS_POOL_OPT,
2675 .name = "pool", .has_arg = required_argument },
2676 { .val = 'p', .name = "print0", .has_arg = no_argument },
2677 { .val = 'P', .name = "print", .has_arg = no_argument },
2678 { .val = LFS_PROJID_OPT,
2679 .name = "projid", .has_arg = required_argument },
2680 { .val = 's', .name = "size", .has_arg = required_argument },
2681 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
2682 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
2683 { .val = 't', .name = "type", .has_arg = required_argument },
2684 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
2685 { .val = 'u', .name = "uid", .has_arg = required_argument },
2686 { .val = 'U', .name = "user", .has_arg = required_argument },
2698 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
2699 while ((c = getopt_long_only(argc, argv,
2700 "-A:c:C:D:E:g:G:H:i:L:m:M:n:O:Ppqrs:S:t:T:u:U:v",
2701 long_opts, NULL)) >= 0) {
2706 /* '!' is part of option */
2707 /* when getopt_long_only() finds a string which is not
2708 * an option nor a known option argument it returns 1
2709 * in that case if we already have found pathstart and pathend
2710 * (i.e. we have the list of pathnames),
2711 * the only supported value is "!"
2713 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
2714 if (!isoption && pathend != -1) {
2715 fprintf(stderr, "err: %s: filename|dirname must either "
2716 "precede options or follow options\n",
2721 if (!isoption && pathstart == -1)
2722 pathstart = optind - 1;
2723 if (isoption && pathstart != -1 && pathend == -1)
2724 pathend = optind - 2;
2730 /* unknown; opt is "!" or path component,
2731 * checking done above.
2733 if (strcmp(optarg, "!") == 0)
2737 xtime = ¶m.fp_atime;
2738 xsign = ¶m.fp_asign;
2739 param.fp_exclude_atime = !!neg_opt;
2740 /* no break, this falls through to 'C' for ctime */
2743 xtime = ¶m.fp_ctime;
2744 xsign = ¶m.fp_csign;
2745 param.fp_exclude_ctime = !!neg_opt;
2747 /* no break, this falls through to 'M' for mtime */
2750 xtime = ¶m.fp_mtime;
2751 xsign = ¶m.fp_msign;
2752 param.fp_exclude_mtime = !!neg_opt;
2754 rc = set_time(&t, xtime, optarg);
2755 if (rc == INT_MAX) {
2762 case LFS_COMP_COUNT_OPT:
2763 if (optarg[0] == '+') {
2764 param.fp_comp_count_sign = -1;
2766 } else if (optarg[0] == '-') {
2767 param.fp_comp_count_sign = 1;
2771 param.fp_comp_count = strtoul(optarg, &endptr, 0);
2772 if (*endptr != '\0') {
2773 fprintf(stderr, "error: bad component count "
2777 param.fp_check_comp_count = 1;
2778 param.fp_exclude_comp_count = !!neg_opt;
2780 case LFS_COMP_FLAGS_OPT:
2781 rc = comp_str2flags(¶m.fp_comp_flags, optarg);
2782 if (rc || comp_flags_is_neg(param.fp_comp_flags)) {
2783 fprintf(stderr, "error: bad component flags "
2787 param.fp_check_comp_flags = 1;
2788 param.fp_exclude_comp_flags = !!neg_opt;
2790 case LFS_COMP_START_OPT:
2791 if (optarg[0] == '+') {
2792 param.fp_comp_start_sign = -1;
2794 } else if (optarg[0] == '-') {
2795 param.fp_comp_start_sign = 1;
2799 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
2800 ¶m.fp_comp_start_units, 0);
2802 fprintf(stderr, "error: bad component start "
2806 param.fp_check_comp_start = 1;
2807 param.fp_exclude_comp_start = !!neg_opt;
2810 if (optarg[0] == '+') {
2811 param.fp_stripe_count_sign = -1;
2813 } else if (optarg[0] == '-') {
2814 param.fp_stripe_count_sign = 1;
2818 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
2819 if (*endptr != '\0') {
2820 fprintf(stderr,"error: bad stripe_count '%s'\n",
2825 param.fp_check_stripe_count = 1;
2826 param.fp_exclude_stripe_count = !!neg_opt;
2829 param.fp_max_depth = strtol(optarg, 0, 0);
2832 if (optarg[0] == '+') {
2833 param.fp_comp_end_sign = -1;
2835 } else if (optarg[0] == '-') {
2836 param.fp_comp_end_sign = 1;
2840 if (arg_is_eof(optarg)) {
2841 param.fp_comp_end = LUSTRE_EOF;
2842 param.fp_comp_end_units = 1;
2845 rc = llapi_parse_size(optarg,
2847 ¶m.fp_comp_end_units, 0);
2850 fprintf(stderr, "error: bad component end "
2854 param.fp_check_comp_end = 1;
2855 param.fp_exclude_comp_end = !!neg_opt;
2859 rc = name2gid(¶m.fp_gid, optarg);
2861 param.fp_gid = strtoul(optarg, &endptr, 10);
2862 if (*endptr != '\0') {
2863 fprintf(stderr, "Group/GID: %s cannot "
2864 "be found.\n", optarg);
2869 param.fp_exclude_gid = !!neg_opt;
2870 param.fp_check_gid = 1;
2873 param.fp_hash_type = check_hashtype(optarg);
2874 if (param.fp_hash_type == 0) {
2875 fprintf(stderr, "error: bad hash_type '%s'\n",
2880 param.fp_check_hash_type = 1;
2881 param.fp_exclude_hash_type = !!neg_opt;
2884 ret = name2layout(¶m.fp_layout, optarg);
2887 param.fp_exclude_layout = !!neg_opt;
2888 param.fp_check_layout = 1;
2892 rc = name2uid(¶m.fp_uid, optarg);
2894 param.fp_uid = strtoul(optarg, &endptr, 10);
2895 if (*endptr != '\0') {
2896 fprintf(stderr, "User/UID: %s cannot "
2897 "be found.\n", optarg);
2902 param.fp_exclude_uid = !!neg_opt;
2903 param.fp_check_uid = 1;
2906 if (strlen(optarg) > LOV_MAXPOOLNAME) {
2908 "Pool name %s is too long"
2909 " (max is %d)\n", optarg,
2914 /* we do check for empty pool because empty pool
2915 * is used to find V1 lov attributes */
2916 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
2917 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
2918 param.fp_exclude_pool = !!neg_opt;
2919 param.fp_check_pool = 1;
2922 param.fp_pattern = (char *)optarg;
2923 param.fp_exclude_pattern = !!neg_opt;
2928 char *buf, *token, *next, *p;
2932 buf = strdup(optarg);
2938 param.fp_exclude_obd = !!neg_opt;
2941 while (token && *token) {
2942 token = strchr(token, ',');
2949 param.fp_exclude_mdt = !!neg_opt;
2950 param.fp_num_alloc_mdts += len;
2951 tmp = realloc(param.fp_mdt_uuid,
2952 param.fp_num_alloc_mdts *
2953 sizeof(*param.fp_mdt_uuid));
2959 param.fp_mdt_uuid = tmp;
2961 param.fp_exclude_obd = !!neg_opt;
2962 param.fp_num_alloc_obds += len;
2963 tmp = realloc(param.fp_obd_uuid,
2964 param.fp_num_alloc_obds *
2965 sizeof(*param.fp_obd_uuid));
2971 param.fp_obd_uuid = tmp;
2973 for (token = buf; token && *token; token = next) {
2974 struct obd_uuid *puuid;
2977 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
2980 ¶m.fp_obd_uuid[param.fp_num_obds++];
2982 p = strchr(token, ',');
2989 if (strlen(token) > sizeof(puuid->uuid) - 1) {
2994 strncpy(puuid->uuid, token,
2995 sizeof(puuid->uuid));
3003 param.fp_zero_end = 1;
3007 case LFS_PROJID_OPT:
3008 rc = name2projid(¶m.fp_projid, optarg);
3010 param.fp_projid = strtoul(optarg, &endptr, 10);
3011 if (*endptr != '\0') {
3013 "Invalid project ID: %s",
3019 param.fp_exclude_projid = !!neg_opt;
3020 param.fp_check_projid = 1;
3023 if (optarg[0] == '+') {
3024 param.fp_size_sign = -1;
3026 } else if (optarg[0] == '-') {
3027 param.fp_size_sign = 1;
3031 ret = llapi_parse_size(optarg, ¶m.fp_size,
3032 ¶m.fp_size_units, 0);
3034 fprintf(stderr, "error: bad file size '%s'\n",
3038 param.fp_check_size = 1;
3039 param.fp_exclude_size = !!neg_opt;
3042 if (optarg[0] == '+') {
3043 param.fp_stripe_size_sign = -1;
3045 } else if (optarg[0] == '-') {
3046 param.fp_stripe_size_sign = 1;
3050 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
3051 ¶m.fp_stripe_size_units, 0);
3053 fprintf(stderr, "error: bad stripe_size '%s'\n",
3057 param.fp_check_stripe_size = 1;
3058 param.fp_exclude_stripe_size = !!neg_opt;
3061 param.fp_exclude_type = !!neg_opt;
3062 switch (optarg[0]) {
3064 param.fp_type = S_IFBLK;
3067 param.fp_type = S_IFCHR;
3070 param.fp_type = S_IFDIR;
3073 param.fp_type = S_IFREG;
3076 param.fp_type = S_IFLNK;
3079 param.fp_type = S_IFIFO;
3082 param.fp_type = S_IFSOCK;
3085 fprintf(stderr, "error: %s: bad type '%s'\n",
3092 if (optarg[0] == '+') {
3093 param.fp_mdt_count_sign = -1;
3095 } else if (optarg[0] == '-') {
3096 param.fp_mdt_count_sign = 1;
3100 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
3101 if (*endptr != '\0') {
3102 fprintf(stderr, "error: bad mdt_count '%s'\n",
3107 param.fp_check_mdt_count = 1;
3108 param.fp_exclude_mdt_count = !!neg_opt;
3116 if (pathstart == -1) {
3117 fprintf(stderr, "error: %s: no filename|pathname\n",
3121 } else if (pathend == -1) {
3127 rc = llapi_find(argv[pathstart], ¶m);
3128 if (rc != 0 && ret == 0)
3130 } while (++pathstart < pathend);
3133 fprintf(stderr, "error: %s failed for %s.\n",
3134 argv[0], argv[optind - 1]);
3136 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
3137 free(param.fp_obd_uuid);
3139 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
3140 free(param.fp_mdt_uuid);
3145 static int lfs_getstripe_internal(int argc, char **argv,
3146 struct find_param *param)
3148 struct option long_opts[] = {
3149 { .val = LFS_COMP_COUNT_OPT,
3150 .name = "comp-count", .has_arg = no_argument },
3151 { .val = LFS_COMP_COUNT_OPT,
3152 .name = "component-count", .has_arg = no_argument },
3153 { .val = LFS_COMP_FLAGS_OPT,
3154 .name = "comp-flags", .has_arg = optional_argument },
3155 { .val = LFS_COMP_FLAGS_OPT,
3156 .name = "component-flags", .has_arg = optional_argument },
3157 { .val = LFS_COMP_START_OPT,
3158 .name = "comp-start", .has_arg = optional_argument },
3159 { .val = LFS_COMP_START_OPT,
3160 .name = "component-start", .has_arg = optional_argument },
3161 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0)
3162 /* This formerly implied "stripe-count", but was explicitly
3163 * made "stripe-count" for consistency with other options,
3164 * and to separate it from "mdt-count" when DNE arrives. */
3165 { .val = 'c', .name = "count", .has_arg = no_argument },
3167 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
3168 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
3169 { .val = 'd', .name = "directory", .has_arg = no_argument },
3170 { .val = 'D', .name = "default", .has_arg = no_argument },
3171 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
3172 { .val = 'E', .name = "component-end",
3173 .has_arg = optional_argument },
3174 { .val = 'F', .name = "fid", .has_arg = no_argument },
3175 { .val = 'g', .name = "generation", .has_arg = no_argument },
3176 /* dirstripe { .val = 'H', .name = "mdt-hash",
3177 * .has_arg = required_argument }, */
3178 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0)
3179 /* This formerly implied "stripe-index", but was explicitly
3180 * made "stripe-index" for consistency with other options,
3181 * and to separate it from "mdt-index" when DNE arrives. */
3182 { .val = 'i', .name = "index", .has_arg = no_argument },
3184 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
3185 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
3186 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
3187 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
3188 { .val = 'L', .name = "layout", .has_arg = no_argument },
3189 { .val = 'm', .name = "mdt", .has_arg = no_argument },
3190 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
3191 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
3192 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3193 { .val = 'M', .name = "mdt-index", .has_arg = no_argument },
3194 { .val = 'M', .name = "mdt_index", .has_arg = no_argument },
3196 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0)
3197 /* This formerly implied "stripe-index", but was confusing
3198 * with "file offset" (which will eventually be needed for
3199 * with different layouts by offset), so deprecate it. */
3200 { .val = 'o', .name = "offset", .has_arg = no_argument },
3202 { .val = 'O', .name = "obd", .has_arg = required_argument },
3203 { .val = 'O', .name = "ost", .has_arg = required_argument },
3204 { .val = 'p', .name = "pool", .has_arg = no_argument },
3205 { .val = 'q', .name = "quiet", .has_arg = no_argument },
3206 { .val = 'r', .name = "recursive", .has_arg = no_argument },
3207 { .val = 'R', .name = "raw", .has_arg = no_argument },
3208 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0)
3209 /* This formerly implied "--stripe-size", but was confusing
3210 * with "lfs find --size|-s", which means "file size", so use
3211 * the consistent "--stripe-size|-S" for all commands. */
3212 { .val = 's', .name = "size", .has_arg = no_argument },
3214 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
3215 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
3216 /* dirstripe { .val = 'T', .name = "mdt-count",
3217 * .has_arg = required_argument }, */
3218 { .val = 'v', .name = "verbose", .has_arg = no_argument },
3219 { .val = 'y', .name = "yaml", .has_arg = no_argument },
3224 while ((c = getopt_long(argc, argv, "cdDE::FghiI::LmMoO:pqrRsSvy",
3225 long_opts, NULL)) != -1) {
3228 if (strcmp(argv[optind - 1], "--count") == 0)
3229 fprintf(stderr, "warning: '--count' deprecated,"
3230 " use '--stripe-count' instead\n");
3231 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3232 param->fp_verbose |= VERBOSE_COUNT;
3233 param->fp_max_depth = 0;
3236 case LFS_COMP_COUNT_OPT:
3237 param->fp_verbose |= VERBOSE_COMP_COUNT;
3238 param->fp_max_depth = 0;
3240 case LFS_COMP_FLAGS_OPT:
3241 if (optarg != NULL) {
3242 __u32 *flags = ¶m->fp_comp_flags;
3243 rc = comp_str2flags(flags, optarg);
3245 fprintf(stderr, "error: %s bad "
3246 "component flags '%s'.\n",
3250 param->fp_check_comp_flags = 1;
3251 param->fp_exclude_comp_flags =
3252 comp_flags_is_neg(*flags);
3253 comp_flags_clear_neg(flags);
3256 param->fp_verbose |= VERBOSE_COMP_FLAGS;
3257 param->fp_max_depth = 0;
3260 case LFS_COMP_START_OPT:
3261 if (optarg != NULL) {
3263 if (tmp[0] == '+') {
3264 param->fp_comp_start_sign = -1;
3266 } else if (tmp[0] == '-') {
3267 param->fp_comp_start_sign = 1;
3270 rc = llapi_parse_size(tmp,
3271 ¶m->fp_comp_start,
3272 ¶m->fp_comp_start_units, 0);
3274 fprintf(stderr, "error: %s bad "
3275 "component start '%s'.\n",
3279 param->fp_check_comp_start = 1;
3282 param->fp_verbose |= VERBOSE_COMP_START;
3283 param->fp_max_depth = 0;
3287 param->fp_max_depth = 0;
3290 param->fp_get_default_lmv = 1;
3293 if (optarg != NULL) {
3295 if (tmp[0] == '+') {
3296 param->fp_comp_end_sign = -1;
3298 } else if (tmp[0] == '-') {
3299 param->fp_comp_end_sign = 1;
3303 if (arg_is_eof(tmp)) {
3304 param->fp_comp_end = LUSTRE_EOF;
3305 param->fp_comp_end_units = 1;
3308 rc = llapi_parse_size(tmp,
3309 ¶m->fp_comp_end,
3310 ¶m->fp_comp_end_units, 0);
3313 fprintf(stderr, "error: %s bad "
3314 "component end '%s'.\n",
3318 param->fp_check_comp_end = 1;
3320 param->fp_verbose |= VERBOSE_COMP_END;
3321 param->fp_max_depth = 0;
3325 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3326 param->fp_verbose |= VERBOSE_DFID;
3327 param->fp_max_depth = 0;
3331 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3332 param->fp_verbose |= VERBOSE_GENERATION;
3333 param->fp_max_depth = 0;
3336 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0)
3338 fprintf(stderr, "warning: '--offset|-o' deprecated, "
3339 "use '--stripe-index|-i' instead\n");
3342 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 6, 53, 0)
3343 if (strcmp(argv[optind - 1], "--index") == 0)
3344 fprintf(stderr, "warning: '--index' deprecated"
3345 ", use '--stripe-index' instead\n");
3347 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3348 param->fp_verbose |= VERBOSE_OFFSET;
3349 param->fp_max_depth = 0;
3353 if (optarg != NULL) {
3354 param->fp_comp_id = strtoul(optarg, &end, 0);
3355 if (*end != '\0' || param->fp_comp_id == 0 ||
3356 param->fp_comp_id > LCME_ID_MAX) {
3357 fprintf(stderr, "error: %s bad "
3358 "component id '%s'\n",
3362 param->fp_check_comp_id = 1;
3365 param->fp_max_depth = 0;
3366 param->fp_verbose |= VERBOSE_COMP_ID;
3370 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3371 param->fp_verbose |= VERBOSE_LAYOUT;
3372 param->fp_max_depth = 0;
3375 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3377 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
3378 fprintf(stderr, "warning: '-M' deprecated"
3379 ", use '-m' instead\n");
3383 if (!(param->fp_verbose & VERBOSE_DETAIL))
3384 param->fp_max_depth = 0;
3385 param->fp_verbose |= VERBOSE_MDTINDEX;
3388 if (param->fp_obd_uuid) {
3390 "error: %s: only one obduuid allowed",
3394 param->fp_obd_uuid = (struct obd_uuid *)optarg;
3397 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3398 param->fp_verbose |= VERBOSE_POOL;
3399 param->fp_max_depth = 0;
3406 param->fp_recursive = 1;
3411 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0)
3413 fprintf(stderr, "warning: '--size|-s' deprecated, "
3414 "use '--stripe-size|-S' instead\n");
3415 #endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 59, 0) */
3417 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3418 param->fp_verbose |= VERBOSE_SIZE;
3419 param->fp_max_depth = 0;
3423 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
3436 if (param->fp_recursive)
3437 param->fp_max_depth = -1;
3438 else if (param->fp_verbose & VERBOSE_DETAIL)
3439 param->fp_max_depth = 1;
3441 if (!param->fp_verbose)
3442 param->fp_verbose = VERBOSE_DEFAULT;
3443 if (param->fp_quiet)
3444 param->fp_verbose = VERBOSE_OBJID;
3447 rc = llapi_getstripe(argv[optind], param);
3448 } while (++optind < argc && !rc);
3451 fprintf(stderr, "error: %s failed for %s.\n",
3452 argv[0], argv[optind - 1]);
3456 static int lfs_tgts(int argc, char **argv)
3458 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
3459 struct find_param param;
3460 int index = 0, rc=0;
3465 if (argc == 2 && !realpath(argv[1], path)) {
3467 fprintf(stderr, "error: invalid path '%s': %s\n",
3468 argv[1], strerror(-rc));
3472 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
3473 /* Check if we have a mount point */
3474 if (mntdir[0] == '\0')
3477 memset(¶m, 0, sizeof(param));
3478 if (!strcmp(argv[0], "mdts"))
3479 param.fp_get_lmv = 1;
3481 rc = llapi_ostlist(mntdir, ¶m);
3483 fprintf(stderr, "error: %s: failed on %s\n",
3486 if (path[0] != '\0')
3488 memset(mntdir, 0, PATH_MAX);
3494 static int lfs_getstripe(int argc, char **argv)
3496 struct find_param param = { 0 };
3498 param.fp_max_depth = 1;
3499 return lfs_getstripe_internal(argc, argv, ¶m);
3503 static int lfs_getdirstripe(int argc, char **argv)
3505 struct find_param param = { 0 };
3506 struct option long_opts[] = {
3507 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3508 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
3510 { .val = 'D', .name = "default", .has_arg = no_argument },
3511 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
3512 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
3513 { .val = 'O', .name = "obd", .has_arg = required_argument },
3514 { .val = 'r', .name = "recursive", .has_arg = no_argument },
3515 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3516 { .val = 't', .name = "mdt-hash", .has_arg = no_argument },
3518 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
3519 { .val = 'y', .name = "yaml", .has_arg = no_argument },
3523 param.fp_get_lmv = 1;
3525 while ((c = getopt_long(argc, argv,
3526 "cDHiO:rtTy", long_opts, NULL)) != -1)
3530 if (param.fp_obd_uuid) {
3532 "error: %s: only one obduuid allowed",
3536 param.fp_obd_uuid = (struct obd_uuid *)optarg;
3538 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3540 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 10, 50, 0)
3541 fprintf(stderr, "warning: '-c' deprecated"
3542 ", use '-T' instead\n");
3546 param.fp_verbose |= VERBOSE_COUNT;
3549 param.fp_verbose |= VERBOSE_OFFSET;
3551 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3555 param.fp_verbose |= VERBOSE_HASH_TYPE;
3558 param.fp_get_default_lmv = 1;
3561 param.fp_recursive = 1;
3574 if (param.fp_recursive)
3575 param.fp_max_depth = -1;
3577 if (!param.fp_verbose)
3578 param.fp_verbose = VERBOSE_DEFAULT;
3581 rc = llapi_getstripe(argv[optind], ¶m);
3582 } while (++optind < argc && !rc);
3585 fprintf(stderr, "error: %s failed for %s.\n",
3586 argv[0], argv[optind - 1]);
3591 static int lfs_setdirstripe(int argc, char **argv)
3595 struct lfs_setstripe_args lsa;
3596 struct llapi_stripe_param *param = NULL;
3597 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
3600 char *mode_opt = NULL;
3601 bool default_stripe = false;
3602 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
3603 mode_t previous_mode = 0;
3604 bool delete = false;
3606 struct option long_opts[] = {
3607 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3608 { .val = 'c', .name = "count", .has_arg = required_argument },
3610 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
3611 { .val = 'd', .name = "delete", .has_arg = no_argument },
3612 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3613 { .val = 'i', .name = "index", .has_arg = required_argument },
3615 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
3616 { .val = 'm', .name = "mode", .has_arg = required_argument },
3617 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3618 { .val = 't', .name = "hash-type", .has_arg = required_argument },
3619 { .val = 't', .name = "mdt-hash", .has_arg = required_argument },
3621 {"mdt-hash", required_argument, 0, 'H'},
3622 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3623 { .val = 'D', .name = "default_stripe",
3624 .has_arg = no_argument },
3626 { .val = 'D', .name = "default", .has_arg = no_argument },
3629 setstripe_args_init(&lsa);
3631 while ((c = getopt_long(argc, argv, "c:dDi:H:m:t:", long_opts,
3638 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
3639 if (strcmp(argv[optind - 1], "--count") == 0)
3641 "%s %s: warning: '--count' deprecated, use '--mdt-count' instead\n",
3644 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3647 "%s %s: invalid stripe count '%s'\n",
3648 progname, argv[0], optarg);
3654 default_stripe = true;
3657 default_stripe = true;
3660 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
3661 if (strcmp(argv[optind - 1], "--index") == 0)
3663 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
3666 lsa.lsa_nr_tgts = parse_targets(mdts,
3667 sizeof(mdts) / sizeof(__u32),
3668 lsa.lsa_nr_tgts, optarg);
3669 if (lsa.lsa_nr_tgts < 0) {
3671 "%s %s: invalid MDT target(s) '%s'\n",
3672 progname, argv[0], optarg);
3676 lsa.lsa_tgts = mdts;
3677 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3678 lsa.lsa_stripe_off = mdts[0];
3683 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3687 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 11, 53, 0)
3688 if (strcmp(argv[optind - 1], "--hash-type") == 0)
3690 "%s %s: warning: '--hash-type' deprecated, use '--mdt-hash' instead\n",
3693 lsa.lsa_pattern = check_hashtype(optarg);
3694 if (lsa.lsa_pattern == 0) {
3696 "%s %s: bad stripe hash type '%s'\n",
3697 progname, argv[0], optarg);
3702 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3703 progname, argv[0], argv[optind - 1]);
3708 if (optind == argc) {
3709 fprintf(stderr, "%s %s: DIR must be specified\n",
3714 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
3715 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT) {
3717 "%s %s: stripe offset and count must be specified\n",
3723 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
3724 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
3726 "%s %s: cannot specify -d with -c or -i options\n",
3731 if (mode_opt != NULL) {
3732 mode = strtoul(mode_opt, &end, 8);
3735 "%s %s: bad MODE '%s'\n",
3736 progname, argv[0], mode_opt);
3739 previous_mode = umask(0);
3742 /* initialize stripe parameters */
3743 param = calloc(1, offsetof(typeof(*param), lsp_osts[lsa.lsa_nr_tgts]));
3744 if (param == NULL) {
3746 "%s %s: cannot allocate memory for parameters: %s\n",
3747 progname, argv[0], strerror(ENOMEM));
3751 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3752 param->lsp_stripe_count = lsa.lsa_stripe_count;
3753 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3754 param->lsp_stripe_offset = -1;
3756 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3757 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3758 param->lsp_stripe_pattern = lsa.lsa_pattern;
3760 param->lsp_stripe_pattern = LMV_HASH_TYPE_FNV_1A_64;
3761 param->lsp_pool = lsa.lsa_pool_name;
3762 param->lsp_is_specific = false;
3763 if (lsa.lsa_nr_tgts > 1) {
3764 if (lsa.lsa_stripe_count > 0 &&
3765 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3766 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3767 fprintf(stderr, "error: %s: stripe count %lld doesn't "
3768 "match the number of MDTs: %d\n",
3769 argv[0], lsa.lsa_stripe_count, lsa.lsa_nr_tgts);
3774 param->lsp_is_specific = true;
3775 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3776 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
3779 dname = argv[optind];
3782 result = llapi_dir_set_default_lmv(dname, param);
3784 result = llapi_dir_create_param(dname, mode, param);
3788 "%s setdirstripe: cannot create stripe dir '%s': %s\n",
3789 progname, dname, strerror(-result));
3792 dname = argv[++optind];
3793 } while (dname != NULL);
3795 if (mode_opt != NULL)
3796 umask(previous_mode);
3803 static int lfs_rmentry(int argc, char **argv)
3810 fprintf(stderr, "error: %s: missing dirname\n",
3816 dname = argv[index];
3817 while (dname != NULL) {
3818 result = llapi_direntry_remove(dname);
3820 fprintf(stderr, "error: %s: remove dir entry '%s' "
3821 "failed\n", argv[0], dname);
3824 dname = argv[++index];
3829 static int lfs_mv(int argc, char **argv)
3831 struct find_param param = {
3838 struct option long_opts[] = {
3839 { .val = 'M', .name = "mdt-index", .has_arg = required_argument },
3840 { .val = 'v', .name = "verbose", .has_arg = no_argument },
3843 while ((c = getopt_long(argc, argv, "M:v", long_opts, NULL)) != -1) {
3846 param.fp_mdt_index = strtoul(optarg, &end, 0);
3848 fprintf(stderr, "%s: invalid MDT index'%s'\n",
3855 param.fp_verbose = VERBOSE_DETAIL;
3859 fprintf(stderr, "error: %s: unrecognized option '%s'\n",
3860 argv[0], argv[optind - 1]);
3865 if (param.fp_mdt_index == -1) {
3866 fprintf(stderr, "%s: MDT index must be specified\n", argv[0]);
3870 if (optind >= argc) {
3871 fprintf(stderr, "%s: missing operand path\n", argv[0]);
3875 param.fp_migrate = 1;
3876 rc = llapi_migrate_mdt(argv[optind], ¶m);
3878 fprintf(stderr, "%s: cannot migrate '%s' to MDT%04x: %s\n",
3879 argv[0], argv[optind], param.fp_mdt_index,
3884 static int lfs_osts(int argc, char **argv)
3886 return lfs_tgts(argc, argv);
3889 static int lfs_mdts(int argc, char **argv)
3891 return lfs_tgts(argc, argv);
3894 #define COOK(value) \
3897 while (value > 1024) { \
3905 #define CDF "%11llu"
3906 #define HDF "%8.1f%c"
3911 MNTDF_INODES = 0x0001,
3912 MNTDF_COOKED = 0x0002,
3913 MNTDF_LAZY = 0x0004,
3914 MNTDF_VERBOSE = 0x0008,
3917 static int showdf(char *mntdir, struct obd_statfs *stat,
3918 char *uuid, enum mntdf_flags flags,
3919 char *type, int index, int rc)
3921 long long avail, used, total;
3923 char *suffix = "KMGTPEZY";
3924 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
3925 char tbuf[3 * sizeof(__u64)];
3926 char ubuf[3 * sizeof(__u64)];
3927 char abuf[3 * sizeof(__u64)];
3928 char rbuf[3 * sizeof(__u64)];
3935 if (flags & MNTDF_INODES) {
3936 avail = stat->os_ffree;
3937 used = stat->os_files - stat->os_ffree;
3938 total = stat->os_files;
3940 int shift = flags & MNTDF_COOKED ? 0 : 10;
3942 avail = (stat->os_bavail * stat->os_bsize) >> shift;
3943 used = ((stat->os_blocks - stat->os_bfree) *
3944 stat->os_bsize) >> shift;
3945 total = (stat->os_blocks * stat->os_bsize) >> shift;
3948 if ((used + avail) > 0)
3949 ratio = (double)used / (double)(used + avail);
3951 if (flags & MNTDF_COOKED) {
3955 cook_val = (double)total;
3958 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
3961 snprintf(tbuf, sizeof(tbuf), CDF, total);
3963 cook_val = (double)used;
3966 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
3969 snprintf(ubuf, sizeof(ubuf), CDF, used);
3971 cook_val = (double)avail;
3974 snprintf(abuf, sizeof(abuf), HDF, cook_val,
3977 snprintf(abuf, sizeof(abuf), CDF, avail);
3979 snprintf(tbuf, sizeof(tbuf), CDF, total);
3980 snprintf(ubuf, sizeof(tbuf), CDF, used);
3981 snprintf(abuf, sizeof(tbuf), CDF, avail);
3984 sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
3985 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
3986 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
3988 printf("[%s:%d]", type, index);
3990 if (stat->os_state) {
3992 * Each character represents the matching
3995 const char state_names[] = "DRSI";
4000 for (i = 0, state = stat->os_state;
4001 state && i < sizeof(state_names); i++) {
4002 if (!(state & (1 << i)))
4004 printf("%c", state_names[i]);
4012 printf(UUF": inactive device\n", uuid);
4015 printf(UUF": %s\n", uuid, strerror(-rc));
4022 struct ll_stat_type {
4027 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags)
4029 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
4030 struct obd_uuid uuid_buf;
4031 char *poolname = NULL;
4032 struct ll_stat_type types[] = {
4033 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
4034 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
4035 { .st_name = NULL } };
4036 struct ll_stat_type *tp;
4037 __u64 ost_ffree = 0;
4045 poolname = strchr(pool, '.');
4046 if (poolname != NULL) {
4047 if (strncmp(fsname, pool, strlen(fsname))) {
4048 fprintf(stderr, "filesystem name incorrect\n");
4056 fd = open(mntdir, O_RDONLY);
4059 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
4064 if (flags & MNTDF_INODES)
4065 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4066 "UUID", "Inodes", "IUsed", "IFree",
4067 "IUse%", "Mounted on");
4069 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4070 "UUID", flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
4071 "Used", "Available", "Use%", "Mounted on");
4073 for (tp = types; tp->st_name != NULL; tp++) {
4074 for (index = 0; ; index++) {
4075 memset(&stat_buf, 0, sizeof(struct obd_statfs));
4076 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
4077 type = flags & MNTDF_LAZY ?
4078 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
4079 rc2 = llapi_obd_fstatfs(fd, type, index,
4080 &stat_buf, &uuid_buf);
4085 if (rc2 == -ENODATA) { /* Inactive device, OK. */
4086 if (!(flags & MNTDF_VERBOSE))
4088 } else if (rc2 < 0 && rc == 0) {
4092 if (poolname && tp->st_op == LL_STATFS_LOV &&
4093 llapi_search_ost(fsname, poolname,
4094 obd_uuid2str(&uuid_buf)) != 1)
4097 /* the llapi_obd_statfs() call may have returned with
4098 * an error, but if it filled in uuid_buf we will at
4099 * lease use that to print out a message for that OBD.
4100 * If we didn't get anything in the uuid_buf, then fill
4101 * it in so that we can print an error message. */
4102 if (uuid_buf.uuid[0] == '\0')
4103 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
4104 "%s%04x", tp->st_name, index);
4105 showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
4106 flags, tp->st_name, index, rc2);
4109 if (tp->st_op == LL_STATFS_LMV) {
4110 sum.os_ffree += stat_buf.os_ffree;
4111 sum.os_files += stat_buf.os_files;
4112 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
4113 sum.os_blocks += stat_buf.os_blocks *
4115 sum.os_bfree += stat_buf.os_bfree *
4117 sum.os_bavail += stat_buf.os_bavail *
4119 ost_ffree += stat_buf.os_ffree;
4127 /* If we don't have as many objects free on the OST as inodes
4128 * on the MDS, we reduce the total number of inodes to
4129 * compensate, so that the "inodes in use" number is correct.
4130 * Matches ll_statfs_internal() so the results are consistent. */
4131 if (ost_ffree < sum.os_ffree) {
4132 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
4133 sum.os_ffree = ost_ffree;
4136 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
4142 static int lfs_df(int argc, char **argv)
4144 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
4145 enum mntdf_flags flags = 0;
4146 int c, rc = 0, index = 0;
4147 char fsname[PATH_MAX] = "", *pool_name = NULL;
4148 struct option long_opts[] = {
4149 { .val = 'h', .name = "human-readable",
4150 .has_arg = no_argument },
4151 { .val = 'i', .name = "inodes", .has_arg = no_argument },
4152 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4153 { .val = 'p', .name = "pool", .has_arg = required_argument },
4154 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4157 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
4160 flags |= MNTDF_COOKED;
4163 flags |= MNTDF_INODES;
4166 flags |= MNTDF_LAZY;
4172 flags |= MNTDF_VERBOSE;
4178 if (optind < argc && !realpath(argv[optind], path)) {
4180 fprintf(stderr, "error: invalid path '%s': %s\n",
4181 argv[optind], strerror(-rc));
4185 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
4186 /* Check if we have a mount point */
4187 if (mntdir[0] == '\0')
4190 rc = mntdf(mntdir, fsname, pool_name, flags);
4191 if (rc || path[0] != '\0')
4193 fsname[0] = '\0'; /* avoid matching in next loop */
4194 mntdir[0] = '\0'; /* avoid matching in next loop */
4200 static int lfs_getname(int argc, char **argv)
4202 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
4203 int rc = 0, index = 0, c;
4204 char buf[sizeof(struct obd_uuid)];
4206 while ((c = getopt(argc, argv, "h")) != -1)
4209 if (optind == argc) { /* no paths specified, get all paths. */
4210 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
4211 rc = llapi_getname(mntdir, buf, sizeof(buf));
4214 "cannot get name for `%s': %s\n",
4215 mntdir, strerror(-rc));
4219 printf("%s %s\n", buf, mntdir);
4221 path[0] = fsname[0] = mntdir[0] = 0;
4223 } else { /* paths specified, only attempt to search these. */
4224 for (; optind < argc; optind++) {
4225 rc = llapi_getname(argv[optind], buf, sizeof(buf));
4228 "cannot get name for `%s': %s\n",
4229 argv[optind], strerror(-rc));
4233 printf("%s %s\n", buf, argv[optind]);
4239 static int lfs_check(int argc, char **argv)
4242 char mntdir[PATH_MAX] = {'\0'};
4251 obd_types[0] = obd_type1;
4252 obd_types[1] = obd_type2;
4254 if (strcmp(argv[1], "osts") == 0) {
4255 strcpy(obd_types[0], "osc");
4256 } else if (strcmp(argv[1], "mds") == 0) {
4257 strcpy(obd_types[0], "mdc");
4258 } else if (strcmp(argv[1], "servers") == 0) {
4260 strcpy(obd_types[0], "osc");
4261 strcpy(obd_types[1], "mdc");
4263 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
4268 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
4269 if (rc < 0 || mntdir[0] == '\0') {
4270 fprintf(stderr, "No suitable Lustre mount found\n");
4274 rc = llapi_target_check(num_types, obd_types, mntdir);
4276 fprintf(stderr, "error: %s: %s status failed\n",
4283 #ifdef HAVE_SYS_QUOTA_H
4284 #define ARG2INT(nr, str, msg) \
4287 nr = strtol(str, &endp, 0); \
4288 if (*endp != '\0') { \
4289 fprintf(stderr, "%s: bad %s '%s'\n", \
4290 progname, msg, str); \
4295 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
4297 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
4298 * returns the value or ULONG_MAX on integer overflow or incorrect format
4300 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
4301 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
4302 * 3. empty integer value is interpreted as 0
4304 static unsigned long str2sec(const char* timestr)
4306 const char spec[] = "smhdw";
4307 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
4308 unsigned long val = 0;
4311 if (strpbrk(timestr, spec) == NULL) {
4312 /* no specifiers inside the time string,
4313 should treat it as an integer value */
4314 val = strtoul(timestr, &tail, 10);
4315 return *tail ? ULONG_MAX : val;
4318 /* format string is XXwXXdXXhXXmXXs */
4324 v = strtoul(timestr, &tail, 10);
4325 if (v == ULONG_MAX || *tail == '\0')
4326 /* value too large (ULONG_MAX or more)
4327 or missing specifier */
4330 ptr = strchr(spec, *tail);
4332 /* unknown specifier */
4337 /* check if product will overflow the type */
4338 if (!(v < ULONG_MAX / mult[ind]))
4341 ADD_OVERFLOW(val, mult[ind] * v);
4342 if (val == ULONG_MAX)
4354 #define ARG2ULL(nr, str, def_units) \
4356 unsigned long long limit, units = def_units; \
4359 rc = llapi_parse_size(str, &limit, &units, 1); \
4361 fprintf(stderr, "%s: invalid limit '%s'\n", \
4368 static inline int has_times_option(int argc, char **argv)
4372 for (i = 1; i < argc; i++)
4373 if (!strcmp(argv[i], "-t"))
4379 int lfs_setquota_times(int argc, char **argv)
4382 struct if_quotactl qctl;
4383 char *mnt, *obd_type = (char *)qctl.obd_type;
4384 struct obd_dqblk *dqb = &qctl.qc_dqblk;
4385 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
4386 struct option long_opts[] = {
4387 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
4388 { .val = 'g', .name = "group", .has_arg = no_argument },
4389 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
4390 { .val = 'p', .name = "projid", .has_arg = no_argument },
4391 { .val = 't', .name = "times", .has_arg = no_argument },
4392 { .val = 'u', .name = "user", .has_arg = no_argument },
4396 memset(&qctl, 0, sizeof(qctl));
4397 qctl.qc_cmd = LUSTRE_Q_SETINFO;
4398 qctl.qc_type = ALLQUOTA;
4400 while ((c = getopt_long(argc, argv, "b:gi:ptu",
4401 long_opts, NULL)) != -1) {
4412 if (qctl.qc_type != ALLQUOTA) {
4413 fprintf(stderr, "error: -u/g/p can't be used "
4414 "more than once\n");
4417 qctl.qc_type = qtype;
4420 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
4421 fprintf(stderr, "error: bad block-grace: %s\n",
4425 dqb->dqb_valid |= QIF_BTIME;
4428 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
4429 fprintf(stderr, "error: bad inode-grace: %s\n",
4433 dqb->dqb_valid |= QIF_ITIME;
4435 case 't': /* Yes, of course! */
4437 default: /* getopt prints error message for us when opterr != 0 */
4442 if (qctl.qc_type == ALLQUOTA) {
4443 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
4447 if (optind != argc - 1) {
4448 fprintf(stderr, "error: unexpected parameters encountered\n");
4453 rc = llapi_quotactl(mnt, &qctl);
4456 fprintf(stderr, "%s %s ", obd_type,
4457 obd_uuid2str(&qctl.obd_uuid));
4458 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
4465 #define BSLIMIT (1 << 0)
4466 #define BHLIMIT (1 << 1)
4467 #define ISLIMIT (1 << 2)
4468 #define IHLIMIT (1 << 3)
4470 int lfs_setquota(int argc, char **argv)
4473 struct if_quotactl qctl;
4474 char *mnt, *obd_type = (char *)qctl.obd_type;
4475 struct obd_dqblk *dqb = &qctl.qc_dqblk;
4476 struct option long_opts[] = {
4477 { .val = 'b', .name = "block-softlimit",
4478 .has_arg = required_argument },
4479 { .val = 'B', .name = "block-hardlimit",
4480 .has_arg = required_argument },
4481 { .val = 'g', .name = "group", .has_arg = required_argument },
4482 { .val = 'i', .name = "inode-softlimit",
4483 .has_arg = required_argument },
4484 { .val = 'I', .name = "inode-hardlimit",
4485 .has_arg = required_argument },
4486 { .val = 'p', .name = "projid", .has_arg = required_argument },
4487 { .val = 'u', .name = "user", .has_arg = required_argument },
4489 unsigned limit_mask = 0;
4493 if (has_times_option(argc, argv))
4494 return lfs_setquota_times(argc, argv);
4496 memset(&qctl, 0, sizeof(qctl));
4497 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
4498 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
4499 * so it can be used as a marker that qc_type
4500 * isn't reinitialized from command line */
4502 while ((c = getopt_long(argc, argv, "b:B:g:i:I:p:u:",
4503 long_opts, NULL)) != -1) {
4507 rc = name2uid(&qctl.qc_id, optarg);
4511 rc = name2gid(&qctl.qc_id, optarg);
4515 rc = name2projid(&qctl.qc_id, optarg);
4517 if (qctl.qc_type != ALLQUOTA) {
4519 "%s setquota: only one of -u, -g or -p may be specified\n",
4523 qctl.qc_type = qtype;
4525 qctl.qc_id = strtoul(optarg, &endptr, 10);
4526 if (*endptr != '\0') {
4528 "%s setquota: invalid id '%s'\n",
4535 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
4536 dqb->dqb_bsoftlimit >>= 10;
4537 limit_mask |= BSLIMIT;
4538 if (dqb->dqb_bsoftlimit &&
4539 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
4541 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
4542 "See '%s help setquota' or Lustre manual for details\n",
4543 progname, dqb->dqb_bsoftlimit,
4547 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
4548 dqb->dqb_bhardlimit >>= 10;
4549 limit_mask |= BHLIMIT;
4550 if (dqb->dqb_bhardlimit &&
4551 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
4553 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
4554 "See '%s help setquota' or Lustre manual for details\n",
4555 progname, dqb->dqb_bhardlimit,
4559 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
4560 limit_mask |= ISLIMIT;
4561 if (dqb->dqb_isoftlimit &&
4562 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
4564 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
4565 "See '%s help setquota' or Lustre manual for details\n",
4566 progname, dqb->dqb_isoftlimit,
4570 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
4571 limit_mask |= IHLIMIT;
4572 if (dqb->dqb_ihardlimit &&
4573 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
4575 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
4576 "See '%s help setquota' or Lustre manual for details\n",
4577 progname, dqb->dqb_ihardlimit,
4582 "%s setquota: unrecognized option '%s'\n",
4583 progname, argv[optind - 1]);
4588 if (qctl.qc_type == ALLQUOTA) {
4590 "%s setquota: either -u or -g must be specified\n",
4595 if (limit_mask == 0) {
4597 "%s setquota: at least one limit must be specified\n",
4602 if (optind != argc - 1) {
4604 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
4605 progname, argv[optind]);
4611 if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
4612 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
4613 /* sigh, we can't just set blimits/ilimits */
4614 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
4615 .qc_type = qctl.qc_type,
4616 .qc_id = qctl.qc_id};
4618 rc = llapi_quotactl(mnt, &tmp_qctl);
4622 if (!(limit_mask & BHLIMIT))
4623 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
4624 if (!(limit_mask & BSLIMIT))
4625 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
4626 if (!(limit_mask & IHLIMIT))
4627 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
4628 if (!(limit_mask & ISLIMIT))
4629 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
4631 /* Keep grace times if we have got no softlimit arguments */
4632 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
4633 dqb->dqb_valid |= QIF_BTIME;
4634 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
4637 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
4638 dqb->dqb_valid |= QIF_ITIME;
4639 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
4643 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
4644 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
4646 rc = llapi_quotactl(mnt, &qctl);
4650 "%s setquota: cannot quotactl '%s' '%s': %s",
4652 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
4659 /* Converts seconds value into format string
4660 * result is returned in buf
4662 * 1. result is in descenting order: 1w2d3h4m5s
4663 * 2. zero fields are not filled (except for p. 3): 5d1s
4664 * 3. zero seconds value is presented as "0s"
4666 static char * __sec2str(time_t seconds, char *buf)
4668 const char spec[] = "smhdw";
4669 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
4674 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
4675 c = seconds / mult[i];
4677 if (c > 0 || (i == 0 && buf == tail))
4678 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
4686 static void sec2str(time_t seconds, char *buf, int rc)
4693 tail = __sec2str(seconds, tail);
4695 if (rc && tail - buf < 39) {
4701 static void diff2str(time_t seconds, char *buf, time_t now)
4707 if (seconds <= now) {
4708 strcpy(buf, "none");
4711 __sec2str(seconds - now, buf);
4714 static void print_quota_title(char *name, struct if_quotactl *qctl,
4715 bool human_readable)
4717 printf("Disk quotas for %s %s (%cid %u):\n",
4718 qtype_name(qctl->qc_type), name,
4719 *qtype_name(qctl->qc_type), qctl->qc_id);
4720 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
4721 "Filesystem", human_readable ? "used" : "kbytes",
4722 "quota", "limit", "grace",
4723 "files", "quota", "limit", "grace");
4726 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
4729 snprintf(buf, buflen, "%ju", (uintmax_t)num);
4732 snprintf(buf, buflen, "%5.4gP",
4733 (double)num / ((__u64)1 << 40));
4735 snprintf(buf, buflen, "%5.4gT",
4736 (double)num / (1 << 30));
4738 snprintf(buf, buflen, "%5.4gG",
4739 (double)num / (1 << 20));
4741 snprintf(buf, buflen, "%5.4gM",
4742 (double)num / (1 << 10));
4744 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
4748 #define STRBUF_LEN 32
4749 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
4756 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
4757 int bover = 0, iover = 0;
4758 struct obd_dqblk *dqb = &qctl->qc_dqblk;
4759 char numbuf[3][STRBUF_LEN];
4761 char strbuf[STRBUF_LEN];
4763 if (dqb->dqb_bhardlimit &&
4764 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
4766 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
4767 if (dqb->dqb_btime > now) {
4774 if (dqb->dqb_ihardlimit &&
4775 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
4777 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
4778 if (dqb->dqb_itime > now) {
4786 if (strlen(mnt) > 15)
4787 printf("%s\n%15s", mnt, "");
4789 printf("%15s", mnt);
4792 diff2str(dqb->dqb_btime, timebuf, now);
4794 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
4795 strbuf, sizeof(strbuf), h);
4796 if (rc == -EREMOTEIO)
4797 sprintf(numbuf[0], "%s*", strbuf);
4799 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
4800 "%s" : "[%s]", strbuf);
4802 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
4803 if (type == QC_GENERAL)
4804 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
4805 "%s" : "[%s]", strbuf);
4807 sprintf(numbuf[1], "%s", "-");
4809 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
4810 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
4811 "%s" : "[%s]", strbuf);
4813 printf(" %7s%c %6s %7s %7s",
4814 numbuf[0], bover ? '*' : ' ', numbuf[1],
4815 numbuf[2], bover > 1 ? timebuf : "-");
4818 diff2str(dqb->dqb_itime, timebuf, now);
4820 sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
4821 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_curinodes);
4823 if (type == QC_GENERAL)
4824 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
4826 (uintmax_t)dqb->dqb_isoftlimit);
4828 sprintf(numbuf[1], "%s", "-");
4830 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
4831 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
4833 if (type != QC_OSTIDX)
4834 printf(" %7s%c %6s %7s %7s",
4835 numbuf[0], iover ? '*' : ' ', numbuf[1],
4836 numbuf[2], iover > 1 ? timebuf : "-");
4838 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
4841 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
4842 qctl->qc_cmd == Q_GETOINFO) {
4846 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
4847 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
4848 printf("Block grace time: %s; Inode grace time: %s\n",
4849 bgtimebuf, igtimebuf);
4853 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
4854 bool h, __u64 *total)
4856 int rc = 0, rc1 = 0, count = 0;
4857 __u32 valid = qctl->qc_valid;
4859 rc = llapi_get_obd_count(mnt, &count, is_mdt);
4861 fprintf(stderr, "can not get %s count: %s\n",
4862 is_mdt ? "mdt": "ost", strerror(-rc));
4866 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
4867 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
4868 rc = llapi_quotactl(mnt, qctl);
4870 /* It is remote client case. */
4871 if (rc == -EOPNOTSUPP) {
4878 fprintf(stderr, "quotactl %s%d failed.\n",
4879 is_mdt ? "mdt": "ost", qctl->qc_idx);
4883 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
4884 qctl->qc_valid, 0, h);
4885 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
4886 qctl->qc_dqblk.dqb_bhardlimit;
4889 qctl->qc_valid = valid;
4893 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
4894 int verbose, int quiet, bool human_readable)
4896 int rc1 = 0, rc2 = 0, rc3 = 0;
4897 char *obd_type = (char *)qctl->obd_type;
4898 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
4899 __u64 total_ialloc = 0, total_balloc = 0;
4902 rc1 = llapi_quotactl(mnt, qctl);
4906 fprintf(stderr, "%s quotas are not enabled.\n",
4907 qtype_name(qctl->qc_type));
4910 fprintf(stderr, "Permission denied.\n");
4913 /* We already got error message. */
4916 fprintf(stderr, "Unexpected quotactl error: %s\n",
4921 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
4922 print_quota_title(name, qctl, human_readable);
4924 if (rc1 && *obd_type)
4925 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
4927 if (qctl->qc_valid != QC_GENERAL)
4930 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
4931 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
4932 (QIF_LIMITS|QIF_USAGE));
4934 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable);
4936 if (qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO &&
4938 char strbuf[STRBUF_LEN];
4940 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
4942 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
4944 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
4946 printf("Total allocated inode limit: %ju, total "
4947 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
4951 if (rc1 || rc2 || rc3 || inacc)
4952 printf("Some errors happened when getting quota info. "
4953 "Some devices may be not working or deactivated. "
4954 "The data in \"[]\" is inaccurate.\n");
4960 static int lfs_project(int argc, char **argv)
4962 int ret = 0, err = 0, c, i;
4963 struct project_handle_control phc = { 0 };
4964 enum lfs_project_ops_t op;
4967 phc.assign_projid = false;
4968 /* default action */
4969 op = LFS_PROJECT_LIST;
4971 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
4974 if (op != LFS_PROJECT_LIST) {
4976 "%s: cannot specify '-c' '-C' '-s' together\n",
4981 op = LFS_PROJECT_CHECK;
4984 if (op != LFS_PROJECT_LIST) {
4986 "%s: cannot specify '-c' '-C' '-s' together\n",
4991 op = LFS_PROJECT_CLEAR;
4994 if (op != LFS_PROJECT_LIST) {
4996 "%s: cannot specify '-c' '-C' '-s' together\n",
5001 phc.set_inherit = true;
5002 op = LFS_PROJECT_SET;
5008 phc.keep_projid = true;
5011 phc.recursive = true;
5014 phc.projid = strtoul(optarg, NULL, 0);
5015 phc.assign_projid = true;
5019 phc.newline = false;
5022 fprintf(stderr, "%s: invalid option '%c'\n",
5028 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
5029 op = LFS_PROJECT_SET;
5030 phc.set_projid = true;
5031 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
5032 phc.set_projid = true;
5036 case LFS_PROJECT_CHECK:
5037 if (phc.keep_projid) {
5039 "%s: '-k' is useless together with '-c'\n",
5044 case LFS_PROJECT_CLEAR:
5047 "%s: '-0' is useless together with '-C'\n",
5051 if (phc.assign_projid) {
5053 "%s: '-p' is useless together with '-C'\n",
5058 case LFS_PROJECT_SET:
5061 "%s: '-0' is useless together with '-s'\n",
5065 if (phc.keep_projid) {
5067 "%s: '-k' is useless together with '-s'\n",
5075 "%s: '-0' is useless for list operations\n",
5085 fprintf(stderr, "%s: missing file or directory target(s)\n",
5090 for (i = 0; i < argc; i++) {
5092 case LFS_PROJECT_CHECK:
5093 err = lfs_project_check(argv[i], &phc);
5095 case LFS_PROJECT_LIST:
5096 err = lfs_project_list(argv[i], &phc);
5098 case LFS_PROJECT_CLEAR:
5099 err = lfs_project_clear(argv[i], &phc);
5101 case LFS_PROJECT_SET:
5102 err = lfs_project_set(argv[i], &phc);
5114 static int lfs_quota(int argc, char **argv)
5117 char *mnt, *name = NULL;
5118 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
5119 .qc_type = ALLQUOTA };
5120 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
5121 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
5123 __u32 valid = QC_GENERAL, idx = 0;
5124 bool human_readable = false;
5127 while ((c = getopt(argc, argv, "gi:I:o:pqtuvh")) != -1) {
5138 if (qctl.qc_type != ALLQUOTA) {
5140 "%s quota: only one of -u, -g, or -p may be specified\n",
5144 qctl.qc_type = qtype;
5147 qctl.qc_cmd = LUSTRE_Q_GETINFO;
5150 valid = qctl.qc_valid = QC_UUID;
5151 strlcpy(obd_uuid, optarg, sizeof(qctl.obd_uuid));
5154 valid = qctl.qc_valid = QC_MDTIDX;
5155 idx = qctl.qc_idx = atoi(optarg);
5156 if (idx == 0 && *optarg != '0') {
5158 "%s quota: invalid MDT index '%s'\n",
5164 valid = qctl.qc_valid = QC_OSTIDX;
5165 idx = qctl.qc_idx = atoi(optarg);
5166 if (idx == 0 && *optarg != '0') {
5168 "%s quota: invalid OST index '%s'\n",
5180 human_readable = true;
5183 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
5184 progname, argv[optind - 1]);
5189 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
5190 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
5191 optind == argc - 1) {
5193 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
5194 qctl.qc_valid = valid;
5197 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
5198 qctl.qc_type = qtype;
5199 if (qtype == USRQUOTA) {
5200 qctl.qc_id = geteuid();
5201 rc = uid2name(&name, qctl.qc_id);
5203 qctl.qc_id = getegid();
5204 rc = gid2name(&name, qctl.qc_id);
5209 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
5214 /* lfs quota -u username /path/to/lustre/mount */
5215 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
5216 /* options should be followed by u/g-name and mntpoint */
5217 if (optind + 2 != argc || qctl.qc_type == ALLQUOTA) {
5219 "%s quota: name and mount point must be specified\n",
5224 name = argv[optind++];
5225 switch (qctl.qc_type) {
5227 rc = name2uid(&qctl.qc_id, name);
5230 rc = name2gid(&qctl.qc_id, name);
5233 rc = name2projid(&qctl.qc_id, name);
5240 qctl.qc_id = strtoul(name, &endptr, 10);
5241 if (*endptr != '\0') {
5242 fprintf(stderr, "%s quota: invalid id '%s'\n",
5248 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
5250 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
5251 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
5258 #endif /* HAVE_SYS_QUOTA_H! */
5260 static int flushctx_ioctl(char *mp)
5264 fd = open(mp, O_RDONLY);
5266 fprintf(stderr, "flushctx: error open %s: %s\n",
5267 mp, strerror(errno));
5271 rc = ioctl(fd, LL_IOC_FLUSHCTX);
5273 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
5274 mp, strerror(errno));
5280 static int lfs_flushctx(int argc, char **argv)
5282 int kdestroy = 0, c;
5283 char mntdir[PATH_MAX] = {'\0'};
5287 while ((c = getopt(argc, argv, "k")) != -1) {
5293 fprintf(stderr, "error: %s: option '-%c' "
5294 "unrecognized\n", argv[0], c);
5300 if ((rc = system("kdestroy > /dev/null")) != 0) {
5301 rc = WEXITSTATUS(rc);
5302 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
5306 if (optind >= argc) {
5307 /* flush for all mounted lustre fs. */
5308 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
5309 /* Check if we have a mount point */
5310 if (mntdir[0] == '\0')
5313 if (flushctx_ioctl(mntdir))
5316 mntdir[0] = '\0'; /* avoid matching in next loop */
5319 /* flush fs as specified */
5320 while (optind < argc) {
5321 if (flushctx_ioctl(argv[optind++]))
5328 static int lfs_cp(int argc, char **argv)
5330 fprintf(stderr, "remote client copy file(s).\n"
5331 "obsolete, does not support it anymore.\n");
5335 static int lfs_ls(int argc, char **argv)
5337 fprintf(stderr, "remote client lists directory contents.\n"
5338 "obsolete, does not support it anymore.\n");
5342 static int lfs_changelog(int argc, char **argv)
5344 void *changelog_priv;
5345 struct changelog_rec *rec;
5346 long long startrec = 0, endrec = 0;
5348 struct option long_opts[] = {
5349 { .val = 'f', .name = "follow", .has_arg = no_argument },
5351 char short_opts[] = "f";
5354 while ((rc = getopt_long(argc, argv, short_opts,
5355 long_opts, NULL)) != -1) {
5363 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
5364 argv[0], argv[optind - 1]);
5371 mdd = argv[optind++];
5373 startrec = strtoll(argv[optind++], NULL, 10);
5375 endrec = strtoll(argv[optind++], NULL, 10);
5377 rc = llapi_changelog_start(&changelog_priv,
5378 CHANGELOG_FLAG_BLOCK |
5379 CHANGELOG_FLAG_JOBID |
5380 CHANGELOG_FLAG_EXTRA_FLAGS |
5381 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
5384 fprintf(stderr, "Can't start changelog: %s\n",
5385 strerror(errno = -rc));
5389 rc = llapi_changelog_set_xflags(changelog_priv,
5390 CHANGELOG_EXTRA_FLAG_UIDGID);
5392 fprintf(stderr, "Can't set xflags for changelog: %s\n",
5393 strerror(errno = -rc));
5397 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
5401 if (endrec && rec->cr_index > endrec) {
5402 llapi_changelog_free(&rec);
5405 if (rec->cr_index < startrec) {
5406 llapi_changelog_free(&rec);
5410 secs = rec->cr_time >> 30;
5411 gmtime_r(&secs, &ts);
5412 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
5413 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
5414 changelog_type2str(rec->cr_type),
5415 ts.tm_hour, ts.tm_min, ts.tm_sec,
5416 (int)(rec->cr_time & ((1 << 30) - 1)),
5417 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
5418 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
5420 if (rec->cr_flags & CLF_JOBID) {
5421 struct changelog_ext_jobid *jid =
5422 changelog_rec_jobid(rec);
5424 if (jid->cr_jobid[0] != '\0')
5425 printf(" j=%s", jid->cr_jobid);
5428 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
5429 struct changelog_ext_extra_flags *ef =
5430 changelog_rec_extra_flags(rec);
5432 printf(" ef=0x%llx", ef->cr_extra_flags);
5434 if (ef->cr_extra_flags & CLFE_UIDGID) {
5435 struct changelog_ext_uidgid *uidgid =
5436 changelog_rec_uidgid(rec);
5438 printf(" u=%llu:%llu",
5439 uidgid->cr_uid, uidgid->cr_gid);
5443 if (rec->cr_namelen)
5444 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
5445 rec->cr_namelen, changelog_rec_name(rec));
5447 if (rec->cr_flags & CLF_RENAME) {
5448 struct changelog_ext_rename *rnm =
5449 changelog_rec_rename(rec);
5451 if (!fid_is_zero(&rnm->cr_sfid))
5452 printf(" s="DFID" sp="DFID" %.*s",
5453 PFID(&rnm->cr_sfid),
5454 PFID(&rnm->cr_spfid),
5455 (int)changelog_rec_snamelen(rec),
5456 changelog_rec_sname(rec));
5460 llapi_changelog_free(&rec);
5463 llapi_changelog_fini(&changelog_priv);
5466 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
5468 return (rc == 1 ? 0 : rc);
5471 static int lfs_changelog_clear(int argc, char **argv)
5479 endrec = strtoll(argv[3], NULL, 10);
5481 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
5484 fprintf(stderr, "%s: record out of range: %llu\n",
5486 else if (rc == -ENOENT)
5487 fprintf(stderr, "%s: no changelog user: %s\n",
5490 fprintf(stderr, "%s error: %s\n", argv[0],
5499 static int lfs_fid2path(int argc, char **argv)
5501 struct option long_opts[] = {
5502 { .val = 'c', .name = "cur", .has_arg = no_argument },
5503 { .val = 'l', .name = "link", .has_arg = required_argument },
5504 { .val = 'r', .name = "rec", .has_arg = required_argument },
5506 char short_opts[] = "cl:r:";
5507 char *device, *fid, *path;
5508 long long recno = -1;
5514 while ((rc = getopt_long(argc, argv, short_opts,
5515 long_opts, NULL)) != -1) {
5521 linkno = strtol(optarg, NULL, 10);
5524 recno = strtoll(optarg, NULL, 10);
5529 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
5530 argv[0], argv[optind - 1]);
5538 device = argv[optind++];
5539 path = calloc(1, PATH_MAX);
5541 fprintf(stderr, "error: Not enough memory\n");
5546 while (optind < argc) {
5547 fid = argv[optind++];
5549 lnktmp = (linkno >= 0) ? linkno : 0;
5551 int oldtmp = lnktmp;
5552 long long rectmp = recno;
5554 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
5557 fprintf(stderr, "%s: error on FID %s: %s\n",
5558 argv[0], fid, strerror(errno = -rc2));
5565 fprintf(stdout, "%lld ", rectmp);
5566 if (device[0] == '/') {
5567 fprintf(stdout, "%s", device);
5568 if (device[strlen(device) - 1] != '/')
5569 fprintf(stdout, "/");
5570 } else if (path[0] == '\0') {
5571 fprintf(stdout, "/");
5573 fprintf(stdout, "%s\n", path);
5576 /* specified linkno */
5578 if (oldtmp == lnktmp)
5588 static int lfs_path2fid(int argc, char **argv)
5590 struct option long_opts[] = {
5591 { .val = 'p', .name = "parents", .has_arg = no_argument },
5594 const char short_opts[] = "p";
5595 const char *sep = "";
5598 bool show_parents = false;
5600 while ((rc = getopt_long(argc, argv, short_opts,
5601 long_opts, NULL)) != -1) {
5604 show_parents = true;
5607 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
5608 argv[0], argv[optind - 1]);
5613 if (optind > argc - 1)
5615 else if (optind < argc - 1)
5619 for (path = argv + optind; *path != NULL; path++) {
5621 if (!show_parents) {
5622 err = llapi_path2fid(*path, &fid);
5624 printf("%s%s"DFID"\n",
5625 *sep != '\0' ? *path : "", sep,
5628 char name[NAME_MAX + 1];
5629 unsigned int linkno = 0;
5631 while ((err = llapi_path2parent(*path, linkno, &fid,
5632 name, sizeof(name))) == 0) {
5633 if (*sep != '\0' && linkno == 0)
5634 printf("%s%s", *path, sep);
5636 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
5641 /* err == -ENODATA is end-of-loop */
5642 if (linkno > 0 && err == -ENODATA) {
5649 fprintf(stderr, "%s: can't get %sfid for %s: %s\n",
5650 argv[0], show_parents ? "parent " : "", *path,
5662 static int lfs_data_version(int argc, char **argv)
5669 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
5674 while ((c = getopt(argc, argv, "nrw")) != -1) {
5677 data_version_flags = 0;
5680 data_version_flags |= LL_DV_RD_FLUSH;
5683 data_version_flags |= LL_DV_WR_FLUSH;
5692 path = argv[optind];
5693 fd = open(path, O_RDONLY);
5695 err(errno, "cannot open file %s", path);
5697 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
5699 err(errno, "cannot get version for %s", path);
5701 printf("%ju" "\n", (uintmax_t)data_version);
5707 static int lfs_hsm_state(int argc, char **argv)
5712 struct hsm_user_state hus;
5720 rc = llapi_hsm_state_get(path, &hus);
5722 fprintf(stderr, "can't get hsm state for %s: %s\n",
5723 path, strerror(errno = -rc));
5727 /* Display path name and status flags */
5728 printf("%s: (0x%08x)", path, hus.hus_states);
5730 if (hus.hus_states & HS_RELEASED)
5731 printf(" released");
5732 if (hus.hus_states & HS_EXISTS)
5734 if (hus.hus_states & HS_DIRTY)
5736 if (hus.hus_states & HS_ARCHIVED)
5737 printf(" archived");
5738 /* Display user-settable flags */
5739 if (hus.hus_states & HS_NORELEASE)
5740 printf(" never_release");
5741 if (hus.hus_states & HS_NOARCHIVE)
5742 printf(" never_archive");
5743 if (hus.hus_states & HS_LOST)
5744 printf(" lost_from_hsm");
5746 if (hus.hus_archive_id != 0)
5747 printf(", archive_id:%d", hus.hus_archive_id);
5750 } while (++i < argc);
5755 #define LFS_HSM_SET 0
5756 #define LFS_HSM_CLEAR 1
5759 * Generic function to set or clear HSM flags.
5760 * Used by hsm_set and hsm_clear.
5762 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
5764 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
5766 struct option long_opts[] = {
5767 { .val = 'A', .name = "archived", .has_arg = no_argument },
5768 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
5769 { .val = 'd', .name = "dirty", .has_arg = no_argument },
5770 { .val = 'e', .name = "exists", .has_arg = no_argument },
5771 { .val = 'l', .name = "lost", .has_arg = no_argument },
5772 { .val = 'r', .name = "norelease", .has_arg = no_argument },
5773 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
5775 char short_opts[] = "lraAdei:";
5779 __u32 archive_id = 0;
5785 while ((c = getopt_long(argc, argv, short_opts,
5786 long_opts, NULL)) != -1) {
5792 mask |= HS_NOARCHIVE;
5795 mask |= HS_ARCHIVED;
5798 mask |= HS_NORELEASE;
5807 archive_id = strtol(optarg, &end, 10);
5809 fprintf(stderr, "invalid archive_id: '%s'\n",
5817 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
5818 argv[0], argv[optind - 1]);
5823 /* User should have specified a flag */
5827 while (optind < argc) {
5829 path = argv[optind];
5831 /* If mode == 0, this means we apply the mask. */
5832 if (mode == LFS_HSM_SET)
5833 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
5835 rc = llapi_hsm_state_set(path, 0, mask, 0);
5838 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
5839 path, strerror(errno = -rc));
5848 static int lfs_hsm_action(int argc, char **argv)
5853 struct hsm_current_action hca;
5854 struct hsm_extent he;
5855 enum hsm_user_action hua;
5856 enum hsm_progress_states hps;
5864 rc = llapi_hsm_current_action(path, &hca);
5866 fprintf(stderr, "can't get hsm action for %s: %s\n",
5867 path, strerror(errno = -rc));
5870 he = hca.hca_location;
5871 hua = hca.hca_action;
5872 hps = hca.hca_state;
5874 printf("%s: %s", path, hsm_user_action2name(hua));
5876 /* Skip file without action */
5877 if (hca.hca_action == HUA_NONE) {
5882 printf(" %s ", hsm_progress_state2name(hps));
5884 if ((hps == HPS_RUNNING) &&
5885 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
5886 printf("(%llu bytes moved)\n",
5887 (unsigned long long)he.length);
5888 else if ((he.offset + he.length) == LUSTRE_EOF)
5889 printf("(from %llu to EOF)\n",
5890 (unsigned long long)he.offset);
5892 printf("(from %llu to %llu)\n",
5893 (unsigned long long)he.offset,
5894 (unsigned long long)(he.offset + he.length));
5896 } while (++i < argc);
5901 static int lfs_hsm_set(int argc, char **argv)
5903 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
5906 static int lfs_hsm_clear(int argc, char **argv)
5908 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
5912 * Check file state and return its fid, to be used by lfs_hsm_request().
5914 * \param[in] file Path to file to check
5915 * \param[in,out] fid Pointer to allocated lu_fid struct.
5916 * \param[in,out] last_dev Pointer to last device id used.
5918 * \return 0 on success.
5920 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
5926 rc = lstat(file, &st);
5928 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
5931 /* Checking for regular file as archiving as posix copytool
5932 * rejects archiving files other than regular files
5934 if (!S_ISREG(st.st_mode)) {
5935 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
5938 /* A request should be ... */
5939 if (*last_dev != st.st_dev && *last_dev != 0) {
5940 fprintf(stderr, "All files should be "
5941 "on the same filesystem: %s\n", file);
5944 *last_dev = st.st_dev;
5946 rc = llapi_path2fid(file, fid);
5948 fprintf(stderr, "Cannot read FID of %s: %s\n",
5949 file, strerror(-rc));
5955 /* Fill an HSM HUR item with a given file name.
5957 * If mntpath is set, then the filename is actually a FID, and no
5958 * lookup on the filesystem will be performed.
5960 * \param[in] hur the user request to fill
5961 * \param[in] idx index of the item inside the HUR to fill
5962 * \param[in] mntpath mountpoint of Lustre
5963 * \param[in] fname filename (if mtnpath is NULL)
5964 * or FID (if mntpath is set)
5965 * \param[in] last_dev pointer to last device id used
5967 * \retval 0 on success
5968 * \retval CMD_HELP or a negative errno on error
5970 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
5971 const char *mntpath, const char *fname,
5974 struct hsm_user_item *hui = &hur->hur_user_item[idx];
5977 hui->hui_extent.length = -1;
5979 if (mntpath != NULL) {
5982 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
5986 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
5991 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
5995 hur->hur_request.hr_itemcount++;
6000 static int lfs_hsm_request(int argc, char **argv, int action)
6002 struct option long_opts[] = {
6003 { .val = 'a', .name = "archive", .has_arg = required_argument },
6004 { .val = 'D', .name = "data", .has_arg = required_argument },
6005 { .val = 'l', .name = "filelist", .has_arg = required_argument },
6006 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
6009 char short_opts[] = "l:D:a:m:";
6010 struct hsm_user_request *hur, *oldhur;
6015 char *filelist = NULL;
6016 char fullpath[PATH_MAX];
6017 char *opaque = NULL;
6021 int nbfile_alloc = 0;
6022 char *some_file = NULL;
6023 char *mntpath = NULL;
6029 while ((c = getopt_long(argc, argv, short_opts,
6030 long_opts, NULL)) != -1) {
6039 if (action != HUA_ARCHIVE &&
6040 action != HUA_REMOVE) {
6042 "error: -a is supported only "
6043 "when archiving or removing\n");
6046 archive_id = atoi(optarg);
6049 if (some_file == NULL) {
6051 some_file = strdup(optarg);
6057 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
6058 argv[0], argv[optind - 1]);
6063 /* All remaining args are files, so we have at least nbfile */
6064 nbfile = argc - optind;
6066 if ((nbfile == 0) && (filelist == NULL))
6070 opaque_len = strlen(opaque);
6072 /* Alloc the request structure with enough place to store all files
6073 * from command line. */
6074 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
6076 fprintf(stderr, "Cannot create the request: %s\n",
6080 nbfile_alloc = nbfile;
6082 hur->hur_request.hr_action = action;
6083 hur->hur_request.hr_archive_id = archive_id;
6084 hur->hur_request.hr_flags = 0;
6086 /* All remaining args are files, add them */
6087 if (nbfile != 0 && some_file == NULL)
6088 some_file = strdup(argv[optind]);
6090 for (i = 0; i < nbfile; i++) {
6091 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
6097 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
6099 /* If a filelist was specified, read the filelist from it. */
6100 if (filelist != NULL) {
6101 fp = fopen(filelist, "r");
6103 fprintf(stderr, "Cannot read the file list %s: %s\n",
6104 filelist, strerror(errno));
6109 while ((rc = getline(&line, &len, fp)) != -1) {
6110 /* If allocated buffer was too small, get something
6112 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
6115 nbfile_alloc = nbfile_alloc * 2 + 1;
6117 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
6120 fprintf(stderr, "hsm: cannot allocate "
6121 "the request: %s\n",
6128 size = hur_len(oldhur);
6130 fprintf(stderr, "hsm: cannot allocate "
6131 "%u files + %u bytes data\n",
6132 oldhur->hur_request.hr_itemcount,
6133 oldhur->hur_request.hr_data_len);
6140 memcpy(hur, oldhur, size);
6145 if (line[strlen(line) - 1] == '\n')
6146 line[strlen(line) - 1] = '\0';
6148 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
6149 mntpath, line, &last_dev);
6155 if (some_file == NULL) {
6165 /* If a --data was used, add it to the request */
6166 hur->hur_request.hr_data_len = opaque_len;
6168 memcpy(hur_data(hur), opaque, opaque_len);
6170 /* Send the HSM request */
6171 if (realpath(some_file, fullpath) == NULL) {
6172 fprintf(stderr, "Could not find path '%s': %s\n",
6173 some_file, strerror(errno));
6175 rc = llapi_hsm_request(fullpath, hur);
6177 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
6178 some_file, strerror(-rc));
6188 static int lfs_hsm_archive(int argc, char **argv)
6190 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
6193 static int lfs_hsm_restore(int argc, char **argv)
6195 return lfs_hsm_request(argc, argv, HUA_RESTORE);
6198 static int lfs_hsm_release(int argc, char **argv)
6200 return lfs_hsm_request(argc, argv, HUA_RELEASE);
6203 static int lfs_hsm_remove(int argc, char **argv)
6205 return lfs_hsm_request(argc, argv, HUA_REMOVE);
6208 static int lfs_hsm_cancel(int argc, char **argv)
6210 return lfs_hsm_request(argc, argv, HUA_CANCEL);
6213 static int lfs_swap_layouts(int argc, char **argv)
6218 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
6219 SWAP_LAYOUTS_KEEP_MTIME |
6220 SWAP_LAYOUTS_KEEP_ATIME);
6223 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
6225 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
6227 static const char *const lockahead_results[] = {
6228 [LLA_RESULT_SENT] = "Lock request sent",
6229 [LLA_RESULT_DIFFERENT] = "Different matching lock found",
6230 [LLA_RESULT_SAME] = "Matching lock on identical extent found",
6233 int lfs_get_mode(const char *string)
6235 enum lock_mode_user mode;
6237 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
6238 if (lock_mode_names[mode] == NULL)
6240 if (strcmp(string, lock_mode_names[mode]) == 0)
6247 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
6249 enum lu_ladvise_type advice;
6252 advice < ARRAY_SIZE(ladvise_names); advice++) {
6253 if (ladvise_names[advice] == NULL)
6255 if (strcmp(string, ladvise_names[advice]) == 0)
6259 return LU_LADVISE_INVALID;
6262 static int lfs_ladvise(int argc, char **argv)
6264 struct option long_opts[] = {
6265 { .val = 'a', .name = "advice", .has_arg = required_argument },
6266 { .val = 'b', .name = "background", .has_arg = no_argument },
6267 { .val = 'e', .name = "end", .has_arg = required_argument },
6268 { .val = 'l', .name = "length", .has_arg = required_argument },
6269 { .val = 'm', .name = "mode", .has_arg = required_argument },
6270 { .val = 's', .name = "start", .has_arg = required_argument },
6271 { .val = 'u', .name = "unset", .has_arg = no_argument },
6273 char short_opts[] = "a:be:l:m:s:u";
6278 struct llapi_lu_ladvise advice;
6279 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
6280 unsigned long long start = 0;
6281 unsigned long long end = LUSTRE_EOF;
6282 unsigned long long length = 0;
6283 unsigned long long size_units;
6284 unsigned long long flags = 0;
6288 while ((c = getopt_long(argc, argv, short_opts,
6289 long_opts, NULL)) != -1) {
6292 advice_type = lfs_get_ladvice(optarg);
6293 if (advice_type == LU_LADVISE_INVALID) {
6294 fprintf(stderr, "%s: invalid advice type "
6295 "'%s'\n", argv[0], optarg);
6296 fprintf(stderr, "Valid types:");
6298 for (advice_type = 0;
6299 advice_type < ARRAY_SIZE(ladvise_names);
6301 if (ladvise_names[advice_type] == NULL)
6303 fprintf(stderr, " %s",
6304 ladvise_names[advice_type]);
6306 fprintf(stderr, "\n");
6319 rc = llapi_parse_size(optarg, &end,
6322 fprintf(stderr, "%s: bad end offset '%s'\n",
6329 rc = llapi_parse_size(optarg, &start,
6332 fprintf(stderr, "%s: bad start offset "
6333 "'%s'\n", argv[0], optarg);
6339 rc = llapi_parse_size(optarg, &length,
6342 fprintf(stderr, "%s: bad length '%s'\n",
6348 mode = lfs_get_mode(optarg);
6350 fprintf(stderr, "%s: bad mode '%s', valid "
6351 "modes are READ or WRITE\n",
6359 fprintf(stderr, "%s: option '%s' unrecognized\n",
6360 argv[0], argv[optind - 1]);
6365 if (advice_type == LU_LADVISE_INVALID) {
6366 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
6367 fprintf(stderr, "Valid types:");
6368 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
6370 if (ladvise_names[advice_type] == NULL)
6372 fprintf(stderr, " %s", ladvise_names[advice_type]);
6374 fprintf(stderr, "\n");
6378 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
6379 fprintf(stderr, "%s: Lock no expand advice is a per file "
6380 "descriptor advice, so when called from lfs, "
6381 "it does nothing.\n", argv[0]);
6385 if (argc <= optind) {
6386 fprintf(stderr, "%s: please give one or more file names\n",
6391 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
6392 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
6397 if (end == LUSTRE_EOF && length != 0)
6398 end = start + length;
6401 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
6402 argv[0], start, end);
6406 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
6407 fprintf(stderr, "%s: mode is only valid with lockahead\n",
6412 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
6413 fprintf(stderr, "%s: mode is required with lockahead\n",
6418 while (optind < argc) {
6421 path = argv[optind++];
6423 fd = open(path, O_RDONLY);
6425 fprintf(stderr, "%s: cannot open file '%s': %s\n",
6426 argv[0], path, strerror(errno));
6431 advice.lla_start = start;
6432 advice.lla_end = end;
6433 advice.lla_advice = advice_type;
6434 advice.lla_value1 = 0;
6435 advice.lla_value2 = 0;
6436 advice.lla_value3 = 0;
6437 advice.lla_value4 = 0;
6438 if (advice_type == LU_LADVISE_LOCKAHEAD) {
6439 advice.lla_lockahead_mode = mode;
6440 advice.lla_peradvice_flags = flags;
6443 rc2 = llapi_ladvise(fd, flags, 1, &advice);
6446 fprintf(stderr, "%s: cannot give advice '%s' to file "
6447 "'%s': %s\n", argv[0],
6448 ladvise_names[advice_type],
6449 path, strerror(errno));
6455 if (rc == 0 && rc2 < 0)
6461 /** The input string contains a comma delimited list of component ids and
6462 * ranges, for example "1,2-4,7".
6464 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
6466 bool end_of_loop = false;
6474 while (!end_of_loop) {
6478 char *endptr = NULL;
6481 ptr = strchrnul(arg, ',');
6482 end_of_loop = *ptr == '\0';
6485 start_index = strtol(arg, &endptr, 0);
6486 if (endptr == arg) /* no data at all */
6488 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
6490 if (start_index < 0)
6493 end_index = start_index;
6494 if (*endptr == '-') {
6495 end_index = strtol(endptr + 1, &endptr, 0);
6496 if (*endptr != '\0')
6498 if (end_index < start_index)
6502 for (i = start_index; i <= end_index && size > 0; i++) {
6505 /* remove duplicate */
6506 for (j = 0; j < nr; j++) {
6510 if (j == nr) { /* no duplicate */
6516 if (size == 0 && i < end_index)
6523 if (!end_of_loop && ptr != NULL)
6526 return rc < 0 ? rc : nr;
6530 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
6531 __u16 *mirror_ids, int ids_nr)
6533 const char *progname = "lfs mirror resync";
6534 struct llapi_resync_comp comp_array[1024] = { { 0 } };
6535 struct llapi_layout *layout;
6543 if (stat(fname, &stbuf) < 0) {
6544 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
6545 progname, fname, strerror(errno));
6549 if (!S_ISREG(stbuf.st_mode)) {
6550 fprintf(stderr, "%s: '%s' is not a regular file.\n",
6556 fd = open(fname, O_DIRECT | O_RDWR);
6558 fprintf(stderr, "%s: cannot open '%s': %s.\n",
6559 progname, fname, strerror(errno));
6564 ioc->lil_mode = LL_LEASE_WRLCK;
6565 ioc->lil_flags = LL_LEASE_RESYNC;
6566 rc = llapi_lease_get_ext(fd, ioc);
6568 fprintf(stderr, "%s: '%s' llapi_lease_get_ext resync failed: "
6569 "%s.\n", progname, fname, strerror(errno));
6573 layout = llapi_layout_get_by_fd(fd, 0);
6574 if (layout == NULL) {
6575 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
6576 progname, fname, strerror(errno));
6581 rc = llapi_layout_flags_get(layout, &flr_state);
6583 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
6584 progname, fname, strerror(errno));
6589 flr_state &= LCM_FL_FLR_MASK;
6590 switch (flr_state) {
6591 case LCM_FL_NOT_FLR:
6594 fprintf(stderr, "%s: '%s' file state error: %s.\n",
6595 progname, fname, lcm_flags_string(flr_state));
6601 /* get stale component info */
6602 comp_size = llapi_mirror_find_stale(layout, comp_array,
6603 ARRAY_SIZE(comp_array),
6604 mirror_ids, ids_nr);
6605 if (comp_size < 0) {
6611 while (idx < comp_size) {
6617 rc = llapi_lease_check(fd);
6618 if (rc != LL_LEASE_WRLCK) {
6619 fprintf(stderr, "%s: '%s' lost lease lock.\n",
6624 mirror_id = comp_array[idx].lrc_mirror_id;
6625 end = comp_array[idx].lrc_end;
6627 /* try to combine adjacent component */
6628 for (i = idx + 1; i < comp_size; i++) {
6629 if (mirror_id != comp_array[i].lrc_mirror_id ||
6630 end != comp_array[i].lrc_start)
6632 end = comp_array[i].lrc_end;
6635 result = llapi_mirror_resync_one(fd, layout, mirror_id,
6636 comp_array[idx].lrc_start,
6639 fprintf(stderr, "%s: '%s' llapi_mirror_resync_one: "
6640 "%ld.\n", progname, fname, result);
6643 } else if (result > 0) {
6646 /* mark synced components */
6647 for (j = idx; j < i; j++)
6648 comp_array[j].lrc_synced = true;
6654 /* prepare ioc for lease put */
6655 ioc->lil_mode = LL_LEASE_UNLCK;
6656 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
6658 for (idx = 0; idx < comp_size; idx++) {
6659 if (comp_array[idx].lrc_synced) {
6660 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
6665 llapi_layout_free(layout);
6667 rc = llapi_lease_get_ext(fd, ioc);
6669 if (rc == 0) /* lost lease lock */
6671 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
6672 progname, fname, strerror(errno));
6676 * llapi_lease_get_ext returns lease mode when it request to unlock
6687 static inline int lfs_mirror_resync(int argc, char **argv)
6689 struct ll_ioc_lease *ioc = NULL;
6690 __u16 mirror_ids[128] = { 0 };
6695 struct option long_opts[] = {
6696 { .val = 'o', .name = "only", .has_arg = required_argument },
6699 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
6702 rc = parse_mirror_ids(mirror_ids,
6703 sizeof(mirror_ids) / sizeof(__u16),
6707 "%s: bad mirror ids '%s'.\n",
6714 fprintf(stderr, "%s: options '%s' unrecognized.\n",
6715 argv[0], argv[optind - 1]);
6721 if (argc == optind) {
6722 fprintf(stderr, "%s: no file name given.\n", argv[0]);
6727 if (ids_nr > 0 && argc > optind + 1) {
6728 fprintf(stderr, "%s: option '--only' cannot be used upon "
6729 "multiple files.\n", argv[0]);
6735 /* set the lease on the file */
6736 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
6738 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
6739 argv[0], strerror(errno));
6744 for (; optind < argc; optind++) {
6745 rc = lfs_mirror_resync_file(argv[optind], ioc,
6746 mirror_ids, ids_nr);
6748 fprintf(stderr, "%s: resync file '%s' failed: %d\n",
6749 argv[0], argv[optind], rc);
6750 /* ignore previous file's error, continue with next file */
6753 memset(ioc, 0, sizeof(__u32) * 4096);
6762 * lfs_mirror() - Parse and execute lfs mirror commands.
6763 * @argc: The count of lfs mirror command line arguments.
6764 * @argv: Array of strings for lfs mirror command line arguments.
6766 * This function parses lfs mirror commands and performs the
6767 * corresponding functions specified in mirror_cmdlist[].
6769 * Return: 0 on success or an error code on failure.
6771 static int lfs_mirror(int argc, char **argv)
6778 Parser_init("lfs-mirror > ", mirror_cmdlist);
6780 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
6782 program_invocation_short_name = cmd;
6784 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
6786 rc = Parser_commands();
6788 return rc < 0 ? -rc : rc;
6792 * lfs_mirror_list_commands() - List lfs mirror commands.
6793 * @argc: The count of command line arguments.
6794 * @argv: Array of strings for command line arguments.
6796 * This function lists lfs mirror commands defined in mirror_cmdlist[].
6798 * Return: 0 on success.
6800 static int lfs_mirror_list_commands(int argc, char **argv)
6802 char buffer[81] = "";
6804 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
6810 static int lfs_list_commands(int argc, char **argv)
6812 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
6814 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
6819 int main(int argc, char **argv)
6823 /* Ensure that liblustreapi constructor has run */
6824 if (!liblustreapi_initialized)
6825 fprintf(stderr, "liblustreapi was not properly initialized\n");
6830 Parser_init("lfs > ", cmdlist);
6832 progname = program_invocation_short_name; /* Used in error messages */
6834 llapi_set_command_name(argv[1]);
6835 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
6836 llapi_clear_command_name();
6838 rc = Parser_commands();
6841 return rc < 0 ? -rc : rc;
6844 #ifdef _LUSTRE_IDL_H_
6845 /* Everything we need here should be included by lustreapi.h. */
6846 # error "lfs should not depend on lustre_idl.h"
6847 #endif /* _LUSTRE_IDL_H_ */