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>
60 #include <sys/param.h>
67 #include "lfs_project.h"
69 #include <libcfs/util/string.h>
70 #include <libcfs/util/ioctl.h>
71 #include <libcfs/util/parser.h>
72 #include <lustre/lustreapi.h>
73 #include <linux/lustre/lustre_ver.h>
74 #include <linux/lustre/lustre_param.h>
75 #include <linux/lnet/nidstr.h>
79 # define ARRAY_SIZE(a) ((sizeof(a)) / (sizeof((a)[0])))
80 #endif /* !ARRAY_SIZE */
83 static int lfs_find(int argc, char **argv);
84 static int lfs_getstripe(int argc, char **argv);
85 static int lfs_getdirstripe(int argc, char **argv);
86 static int lfs_setdirstripe(int argc, char **argv);
87 static int lfs_rmentry(int argc, char **argv);
88 static int lfs_osts(int argc, char **argv);
89 static int lfs_mdts(int argc, char **argv);
90 static int lfs_df(int argc, char **argv);
91 static int lfs_getname(int argc, char **argv);
92 static int lfs_check(int argc, char **argv);
93 #ifdef HAVE_SYS_QUOTA_H
94 static int lfs_setquota(int argc, char **argv);
95 static int lfs_quota(int argc, char **argv);
96 static int lfs_project(int argc, char **argv);
98 static int lfs_flushctx(int argc, char **argv);
99 static int lfs_cp(int argc, char **argv);
100 static int lfs_ls(int argc, char **argv);
101 static int lfs_poollist(int argc, char **argv);
102 static int lfs_changelog(int argc, char **argv);
103 static int lfs_changelog_clear(int argc, char **argv);
104 static int lfs_fid2path(int argc, char **argv);
105 static int lfs_path2fid(int argc, char **argv);
106 static int lfs_data_version(int argc, char **argv);
107 static int lfs_hsm_state(int argc, char **argv);
108 static int lfs_hsm_set(int argc, char **argv);
109 static int lfs_hsm_clear(int argc, char **argv);
110 static int lfs_hsm_action(int argc, char **argv);
111 static int lfs_hsm_archive(int argc, char **argv);
112 static int lfs_hsm_restore(int argc, char **argv);
113 static int lfs_hsm_release(int argc, char **argv);
114 static int lfs_hsm_remove(int argc, char **argv);
115 static int lfs_hsm_cancel(int argc, char **argv);
116 static int lfs_swap_layouts(int argc, char **argv);
117 static int lfs_mv(int argc, char **argv);
118 static int lfs_ladvise(int argc, char **argv);
119 static int lfs_mirror(int argc, char **argv);
120 static int lfs_mirror_list_commands(int argc, char **argv);
121 static int lfs_list_commands(int argc, char **argv);
122 static inline int lfs_mirror_resync(int argc, char **argv);
123 static inline int lfs_mirror_verify(int argc, char **argv);
125 enum setstripe_origin {
132 static int lfs_setstripe_internal(int argc, char **argv,
133 enum setstripe_origin opc);
135 static inline int lfs_setstripe(int argc, char **argv)
137 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
139 static inline int lfs_setstripe_migrate(int argc, char **argv)
141 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
143 static inline int lfs_mirror_create(int argc, char **argv)
145 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
147 static inline int lfs_mirror_extend(int argc, char **argv)
149 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
151 static inline int lfs_mirror_split(int argc, char **argv)
153 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
156 /* Setstripe and migrate share mostly the same parameters */
157 #define SSM_CMD_COMMON(cmd) \
158 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
159 " [--stripe-count|-c <stripe_count>]\n" \
160 " [--stripe-index|-i <start_ost_idx>]\n" \
161 " [--stripe-size|-S <stripe_size>]\n" \
162 " [--layout|-L <pattern>]\n" \
163 " [--pool|-p <pool_name>]\n" \
164 " [--ost|-o <ost_indices>]\n" \
165 " [--yaml|-y <yaml_template_file>]\n" \
166 " [--copy=<lustre_src>]\n"
168 #define SSM_HELP_COMMON \
169 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
170 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
171 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
172 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
173 "\t respectively)\n" \
174 "\tpool_name: Name of OST pool to use (default none)\n" \
175 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
176 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
177 "\t Indices be specified in a format of:\n" \
178 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
180 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
181 "\t If --pool is set with --ost, then the OSTs\n" \
182 "\t must be the members of the pool.\n" \
183 "\tcomp_end: Extent end of component, start after previous end.\n"\
184 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
185 "\t respectively, -1 for EOF). Must be a multiple of\n"\
186 "\t stripe_size.\n" \
187 "\tyaml_template_file:\n" \
188 "\t YAML layout template file, can't be used with -c,\n" \
189 "\t -i, -S, -p, -o, or -E arguments.\n" \
190 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
191 "\t another lustre file or directory, can't used with\n" \
192 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
194 #define MIRROR_CREATE_HELP \
195 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
196 "\t setstripe layout options\n" \
197 "\t It defaults to 1 if not specified; if specified,\n" \
198 "\t it must follow the option without a space.\n" \
199 "\t The option can also be repeated multiple times to\n" \
200 "\t separate mirrors that have different layouts.\n" \
201 "\tsetstripe options: Mirror layout\n" \
202 "\t It can be a plain layout or a composite layout.\n" \
203 "\t If not specified, the stripe options inherited\n" \
204 "\t from the previous component will be used.\n" \
205 "\tflags: set flags to the component of the current mirror.\n" \
206 "\t Only \"prefer\" flag is supported so far.\n"
208 #define MIRROR_EXTEND_HELP \
210 "\tvictim_file: The layout of victim_file will be split and used\n" \
211 "\t as a mirror added to the mirrored file.\n" \
212 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
213 "\t from victim file(s) in case the victim file(s)\n" \
214 "\t contains the same data as the original mirrored\n" \
217 #define MIRROR_EXTEND_USAGE \
218 " <--mirror-count|-N[mirror_count]>\n" \
219 " [setstripe options|-f <victim_file>]\n" \
222 #define SETSTRIPE_USAGE \
223 SSM_CMD_COMMON("setstripe") \
224 MIRROR_EXTEND_USAGE \
225 " <directory|filename>\n" \
229 #define MIGRATE_USAGE \
230 SSM_CMD_COMMON("migrate ") \
232 " [--non-block|-n]\n" \
233 " [--non-direct|-D]\n" \
237 "\tblock: Block file access during data migration (default)\n" \
238 "\tnon-block: Abort migrations if concurrent access is detected\n" \
239 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
241 #define SETDIRSTRIPE_USAGE \
242 " [--mdt-count|-c stripe_count>\n" \
243 " [--mdt-index|-i mdt_index]\n" \
244 " [--mdt-hash|-H mdt_hash]\n" \
245 " [--default|-D] [--mode|-m mode] <dir>\n" \
246 "\tstripe_count: stripe count of the striped directory\n" \
247 "\tmdt_index: MDT index of first stripe\n" \
248 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
249 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
250 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
251 "\tdefault_stripe: set default dirstripe of the directory\n" \
252 "\tmode: the mode of the directory\n"
255 * command_t mirror_cmdlist - lfs mirror commands.
257 command_t mirror_cmdlist[] = {
258 { .pc_name = "create", .pc_func = lfs_mirror_create,
259 .pc_help = "Create a mirrored file.\n"
260 "usage: lfs mirror create "
261 "<--mirror-count|-N[mirror_count]> "
262 "[setstripe options] ... <filename|directory>\n"
263 MIRROR_CREATE_HELP },
264 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
265 .pc_help = "Extend a mirrored file.\n"
266 "usage: lfs mirror extend "
267 "<--mirror-count|-N[mirror_count]> [--no-verify] "
268 "[setstripe options|-f <victim_file>] ... <filename>\n"
269 MIRROR_EXTEND_HELP },
270 { .pc_name = "split", .pc_func = lfs_mirror_split,
271 .pc_help = "Split a mirrored file.\n"
272 "usage: lfs mirror split <--mirror-id <mirror_id>> [--destroy|-d] "
273 "[-f <new_file>] <mirrored file>\n"
274 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
275 "\t can be fetched by lfs getstripe command.\n"
276 "\tnew_file: This option indicates the layout of the split\n"
277 "\t mirror will be stored into. If not specified,\n"
278 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
279 "\t will be used.\n" },
280 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
281 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
282 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
283 "<mirrored file> [<mirrored file2>...]\n"},
284 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
285 .pc_help = "Verify mirrored file(s).\n"
286 "usage: lfs mirror verify "
287 "[--only <mirror_id,mirror_id2[,...]>] "
288 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
289 { .pc_name = "--list-commands", .pc_func = lfs_mirror_list_commands,
290 .pc_help = "list commands supported by lfs mirror"},
291 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
292 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
293 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
297 /* all available commands */
298 command_t cmdlist[] = {
299 {"setstripe", lfs_setstripe, 0,
300 "To create a file with specified striping/composite layout, or\n"
301 "create/replace the default layout on an existing directory:\n"
302 SSM_CMD_COMMON("setstripe")
303 " <directory|filename>\n"
305 "To add component(s) to an existing composite file:\n"
306 SSM_CMD_COMMON("setstripe --component-add")
308 "To totally delete the default striping from an existing directory:\n"
309 "usage: setstripe -d <directory>\n"
311 "To delete the last component(s) from an existing composite file\n"
312 "(note that this will also delete any data in those components):\n"
313 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
314 " [--component-flags|-F <comp_flags>]\n"
316 "\tcomp_id: Unique component ID to delete\n"
317 "\tcomp_flags: 'init' indicating all instantiated components\n"
318 "\t '^init' indicating all uninstantiated components\n"
319 "\t-I and -F cannot be specified at the same time\n"},
320 {"getstripe", lfs_getstripe, 0,
321 "To list the layout pattern for a given file or files in a\n"
322 "directory or recursively for all files in a directory tree.\n"
323 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
324 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
325 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
326 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
327 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
328 " [--component-id[=comp_id]|-I[comp_id]]\n"
329 " [--component-flags[=comp_flags]]\n"
330 " [--component-count]\n"
331 " [--component-start[=[+-]comp_start]]\n"
332 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
333 " <directory|filename> ..."},
334 {"setdirstripe", lfs_setdirstripe, 0,
335 "To create a striped directory on a specified MDT. This can only\n"
336 "be done on MDT0 with the right of administrator.\n"
337 "usage: setdirstripe [OPTION] <directory>\n"
339 {"getdirstripe", lfs_getdirstripe, 0,
340 "To list the layout pattern info for a given directory\n"
341 "or recursively for all directories in a directory tree.\n"
342 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
343 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
344 " [--recursive|-r] [--yaml|-y]\n"
345 " [--default|-D] <dir> ..."},
346 {"mkdir", lfs_setdirstripe, 0,
347 "To create a striped directory on a specified MDT. This can only\n"
348 "be done on MDT0 with the right of administrator.\n"
349 "usage: mkdir [OPTION] <directory>\n"
351 {"rm_entry", lfs_rmentry, 0,
352 "To remove the name entry of the remote directory. Note: This\n"
353 "command will only delete the name entry, i.e. the remote directory\n"
354 "will become inaccessable after this command. This can only be done\n"
355 "by the administrator\n"
356 "usage: rm_entry <dir>\n"},
357 {"pool_list", lfs_poollist, 0,
358 "List pools or pool OSTs\n"
359 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
360 {"find", lfs_find, 0,
361 "find files matching given attributes recursively in directory tree.\n"
362 "usage: find <directory|filename> ...\n"
363 " [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
364 " [[!] --mtime|-M [+-]N] [--maxdepth|-D N]\n"
365 " [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
366 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
367 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
368 " [[!] --stripe-count|-c [+-]<stripes>]\n"
369 " [[!] --stripe-index|-i <index,...>]\n"
370 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
371 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
372 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
373 " [[!] --projid <projid>]\n"
374 " [[!] --layout|-L released,raid0,mdt]\n"
375 " [[!] --component-count [+-]<comp_cnt>]\n"
376 " [[!] --component-start [+-]N[kMGTPE]]\n"
377 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
378 " [[!] --component-flags <comp_flags>]\n"
379 " [[!] --mirror-count|-N [+-]<n>]\n"
380 " [[!] --mirror-state <[^]state>]\n"
381 " [[!] --mdt-count|-T [+-]<stripes>]\n"
382 " [[!] --mdt-hash|-H <hashtype>\n"
383 "\t !: used before an option indicates 'NOT' requested attribute\n"
384 "\t -: used before a value indicates less than requested value\n"
385 "\t +: used before a value indicates more than requested value\n"
386 "\thashtype: hash type of the striped directory.\n"
387 "\t fnv_1a_64 FNV-1a hash algorithm\n"
388 "\t all_char sum of characters % MDT_COUNT\n"},
389 {"check", lfs_check, 0,
390 "Display the status of MDS or OSTs (as specified in the command)\n"
391 "or all the servers (MDS and OSTs).\n"
392 "usage: check <osts|mds|servers>"},
393 {"osts", lfs_osts, 0, "list OSTs connected to client "
394 "[for specified path only]\n" "usage: osts [path]"},
395 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
396 "[for specified path only]\n" "usage: mdts [path]"},
398 "report filesystem disk space usage or inodes usage"
399 "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
400 "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
401 {"getname", lfs_getname, 0, "list instances and specified mount points "
402 "[for specified path only]\n"
403 "Usage: getname [-h]|[path ...] "},
404 #ifdef HAVE_SYS_QUOTA_H
405 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
406 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
407 " -b <block-softlimit> -B <block-hardlimit>\n"
408 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
409 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
410 " [--block-softlimit <block-softlimit>]\n"
411 " [--block-hardlimit <block-hardlimit>]\n"
412 " [--inode-softlimit <inode-softlimit>]\n"
413 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
414 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
415 " [--block-grace <block-grace>]\n"
416 " [--inode-grace <inode-grace>] <filesystem>\n"
417 " -b can be used instead of --block-softlimit/--block-grace\n"
418 " -B can be used instead of --block-hardlimit\n"
419 " -i can be used instead of --inode-softlimit/--inode-grace\n"
420 " -I can be used instead of --inode-hardlimit\n\n"
421 "Note: The total quota space will be split into many qunits and\n"
422 " balanced over all server targets, the minimal qunit size is\n"
423 " 1M bytes for block space and 1K inodes for inode space.\n\n"
424 " Quota space rebalancing process will stop when this mininum\n"
425 " value is reached. As a result, quota exceeded can be returned\n"
426 " while many targets still have 1MB or 1K inodes of spare\n"
428 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
429 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
431 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
432 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>"},
433 {"project", lfs_project, 0,
434 "Change or list project attribute for specified file or directory.\n"
435 "usage: project [-d|-r] <file|directory...>\n"
436 " list project ID and flags on file(s) or directories\n"
437 " project [-p id] [-s] [-r] <file|directory...>\n"
438 " set project ID and/or inherit flag for specified file(s) or directories\n"
439 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
440 " check project ID and flags on file(s) or directories, print outliers\n"
441 " project -C [-r] [-k] <file|directory...>\n"
442 " clear the project inherit flag and ID on the file or directory\n"
445 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
446 "usage: flushctx [-k] [mountpoint...]"},
448 "Remote user copy files and directories.\n"
449 "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
451 "Remote user list directory contents.\n"
452 "usage: ls [OPTION]... [FILE]..."},
453 {"changelog", lfs_changelog, 0,
454 "Show the metadata changes on an MDT."
455 "\nusage: changelog <mdtname> [startrec [endrec]]"},
456 {"changelog_clear", lfs_changelog_clear, 0,
457 "Indicate that old changelog records up to <endrec> are no longer of "
458 "interest to consumer <id>, allowing the system to free up space.\n"
459 "An <endrec> of 0 means all records.\n"
460 "usage: changelog_clear <mdtname> <id> <endrec>"},
461 {"fid2path", lfs_fid2path, 0,
462 "Resolve the full path(s) for given FID(s). For a specific hardlink "
463 "specify link number <linkno>.\n"
464 /* "For a historical link name, specify changelog record <recno>.\n" */
465 "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
466 /* [ --rec <recno> ] */ },
467 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
468 "usage: path2fid [--parents] <path> ..."},
469 {"data_version", lfs_data_version, 0, "Display file data version for "
470 "a given path.\n" "usage: data_version -[n|r|w] <path>"},
471 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
472 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
473 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
474 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
475 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
476 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
478 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
479 "[--archived] [--lost] <file> ..."},
480 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
481 "given files.\n" "usage: hsm_action <file> ..."},
482 {"hsm_archive", lfs_hsm_archive, 0,
483 "Archive file to external storage.\n"
484 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
486 {"hsm_restore", lfs_hsm_restore, 0,
487 "Restore file from external storage.\n"
488 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
489 {"hsm_release", lfs_hsm_release, 0,
490 "Release files from Lustre.\n"
491 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
492 {"hsm_remove", lfs_hsm_remove, 0,
493 "Remove file copy from external storage.\n"
494 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
496 " (FILE [FILE ...] | "
497 "--mntpath MOUNTPATH FID [FID ...])\n"
499 "Note: To remove an archived copy of a file already deleted from a "
501 "--mntpath option and a list of FIDs must be specified"
503 {"hsm_cancel", lfs_hsm_cancel, 0,
504 "Cancel requests related to specified files.\n"
505 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
506 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
507 "usage: swap_layouts <path1> <path2>"},
508 {"migrate", lfs_setstripe_migrate, 0,
509 "migrate a directory between MDTs.\n"
510 "usage: migrate --mdt-index <mdt_idx> [--verbose|-v] "
512 "\tmdt_idx: index of the destination MDT\n"
514 "migrate file objects from one OST "
515 "layout\nto another (may be not safe with concurent writes).\n"
517 "[--stripe-count|-c] <stripe_count>\n"
518 " [--stripe-index|-i] <start_ost_index>\n"
519 " [--stripe-size|-S] <stripe_size>\n"
520 " [--pool|-p] <pool_name>\n"
521 " [--ost|-o] <ost_indices>\n"
523 " [--non-block|-n]\n"
524 " [--non-direct|-D]\n"
525 " <file|directory>\n"
526 "\tstripe_count: number of OSTs to stripe a file over\n"
527 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
528 "\tstripe_size: number of bytes to store before moving to the next OST\n"
529 "\tpool_name: name of the predefined pool of OSTs\n"
530 "\tost_indices: OSTs to stripe over, in order\n"
531 "\tblock: wait for the operation to return before continuing\n"
532 "\tnon-block: do not wait for the operation to return\n"
533 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
535 "To move directories between MDTs. This command is deprecated, "
536 "use \"migrate\" instead.\n"
537 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
539 {"ladvise", lfs_ladvise, 0,
540 "Provide servers with advice about access patterns for a file.\n"
541 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
542 " [--background|-b] [--unset|-u]\n\n"
543 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
544 " {[--mode|-m [READ,WRITE]}\n"
546 {"mirror", lfs_mirror, mirror_cmdlist,
547 "lfs commands used to manage files with mirrored components:\n"
548 "lfs mirror create - create a mirrored file or directory\n"
549 "lfs mirror extend - add mirror(s) to an existing file\n"
550 "lfs mirror split - split a mirror from an existing mirrored file\n"
551 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
552 "lfs mirror verify - verify mirrored file(s)\n"},
553 {"help", Parser_help, 0, "help"},
554 {"exit", Parser_quit, 0, "quit"},
555 {"quit", Parser_quit, 0, "quit"},
556 {"--version", Parser_version, 0,
557 "output build version of the utility and exit"},
558 {"--list-commands", lfs_list_commands, 0,
559 "list commands supported by the utility and exit"},
564 static int check_hashtype(const char *hashtype)
568 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
569 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
576 static const char *error_loc = "syserror";
579 MIGRATION_NONBLOCK = 1 << 0,
580 MIGRATION_MIRROR = 1 << 1,
581 MIGRATION_NONDIRECT = 1 << 2,
584 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
585 struct llapi_layout *layout);
588 migrate_open_files(const char *name, __u64 migration_flags,
589 const struct llapi_stripe_param *param,
590 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
597 char parent[PATH_MAX];
598 char volatile_file[PATH_MAX];
604 if (param == NULL && layout == NULL) {
605 error_loc = "layout information";
609 /* search for file directory pathname */
610 if (strlen(name) > sizeof(parent) - 1) {
611 error_loc = "source file name";
615 strncpy(parent, name, sizeof(parent));
616 ptr = strrchr(parent, '/');
618 if (getcwd(parent, sizeof(parent)) == NULL) {
619 error_loc = "getcwd";
623 if (ptr == parent) /* leading '/' */
628 /* open file, direct io */
629 /* even if the file is only read, WR mode is nedeed to allow
630 * layout swap on fd */
632 if (!(migration_flags & MIGRATION_NONDIRECT))
634 fd = open(name, rflags);
637 error_loc = "cannot open source file";
641 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
643 error_loc = "cannot get MDT index";
648 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
649 mode_t open_mode = S_IRUSR | S_IWUSR;
651 random_value = random();
652 rc = snprintf(volatile_file, sizeof(volatile_file),
653 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
654 mdt_index, random_value);
655 if (rc >= sizeof(volatile_file)) {
660 /* create, open a volatile file, use caching (ie no directio) */
662 fdv = llapi_file_open_param(volatile_file, open_flags,
665 fdv = lfs_component_create(volatile_file, open_flags,
667 } while (fdv < 0 && (rc = fdv) == -EEXIST);
670 error_loc = "cannot create volatile file";
674 /* In case the MDT does not support creation of volatile files
675 * we should try to unlink it. */
676 (void)unlink(volatile_file);
678 /* Not-owner (root?) special case.
679 * Need to set owner/group of volatile file like original.
680 * This will allow to pass related check during layout_swap.
685 error_loc = "cannot stat source file";
689 rc = fstat(fdv, &stv);
692 error_loc = "cannot stat volatile";
696 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
697 rc = fchown(fdv, st.st_uid, st.st_gid);
700 error_loc = "cannot change ownwership of volatile";
719 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
721 struct llapi_layout *layout;
722 size_t buf_size = 4 * 1024 * 1024;
731 layout = llapi_layout_get_by_fd(fd_src, 0);
732 if (layout != NULL) {
733 uint64_t stripe_size;
735 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
737 buf_size = stripe_size;
739 llapi_layout_free(layout);
742 /* Use a page-aligned buffer for direct I/O */
743 rc = posix_memalign(&buf, getpagesize(), buf_size);
748 /* read new data only if we have written all
749 * previously read data */
752 rc = check_file(fd_src);
757 rsize = read(fd_src, buf, buf_size);
769 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
788 static int migrate_copy_timestamps(int fd, int fdv)
792 if (fstat(fd, &st) == 0) {
793 struct timeval tv[2] = {
794 {.tv_sec = st.st_atime},
795 {.tv_sec = st.st_mtime}
798 return futimes(fdv, tv);
804 static int migrate_block(int fd, int fdv)
811 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
813 error_loc = "cannot get dataversion";
821 /* The grouplock blocks all concurrent accesses to the file.
822 * It has to be taken after llapi_get_data_version as it would
824 rc = llapi_group_lock(fd, gid);
826 error_loc = "cannot get group lock";
830 rc = migrate_copy_data(fd, fdv, NULL);
832 error_loc = "data copy failed";
836 /* Make sure we keep original atime/mtime values */
837 rc = migrate_copy_timestamps(fd, fdv);
839 error_loc = "timestamp copy failed";
844 * for a migration we need to check data version on file did
847 * Pass in gid=0 since we already own grouplock. */
848 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
849 SWAP_LAYOUTS_CHECK_DV1);
851 error_loc = "file changed";
854 error_loc = "cannot swap layout";
859 rc2 = llapi_group_unlock(fd, gid);
860 if (rc2 < 0 && rc == 0) {
861 error_loc = "unlock group lock";
869 * Internal helper for migrate_copy_data(). Check lease and report error if
872 * \param[in] fd File descriptor on which to check the lease.
874 * \retval 0 Migration can keep on going.
875 * \retval -errno Error occurred, abort migration.
877 static int check_lease(int fd)
881 rc = llapi_lease_check(fd);
883 return 0; /* llapi_check_lease returns > 0 on success. */
888 static int migrate_nonblock(int fd, int fdv)
894 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
896 error_loc = "cannot get data version";
900 rc = migrate_copy_data(fd, fdv, check_lease);
902 error_loc = "data copy failed";
906 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
908 error_loc = "cannot get data version";
914 error_loc = "source file changed";
918 /* Make sure we keep original atime/mtime values */
919 rc = migrate_copy_timestamps(fd, fdv);
921 error_loc = "timestamp copy failed";
928 static int lfs_component_set(char *fname, int comp_id,
929 __u32 flags, __u32 neg_flags)
932 __u32 flags_array[2];
937 ids[count] = comp_id;
938 flags_array[count] = flags;
943 ids[count] = comp_id;
944 flags_array[count] = neg_flags | LCME_FL_NEG;
948 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
951 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
952 progname, comp_id, fname, flags, neg_flags);
957 static int lfs_component_del(char *fname, __u32 comp_id,
958 __u32 flags, __u32 neg_flags)
962 if (flags && neg_flags)
965 if (!flags && neg_flags)
966 flags = neg_flags | LCME_FL_NEG;
968 if ((flags && comp_id) || (!flags && !comp_id))
971 /* LCME_FL_INIT is the only supported flag in PFL */
973 if (flags & ~LCME_KNOWN_FLAGS) {
975 "%s setstripe: unknown flags %#x\n",
979 } else if (comp_id > LCME_ID_MAX) {
980 fprintf(stderr, "%s setstripe: invalid component id %u\n",
985 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
988 "%s setstripe: cannot delete component %#x from '%s': %s\n",
989 progname, comp_id, fname, strerror(errno));
993 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1000 rc = llapi_layout_file_comp_add(fname, layout);
1002 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1003 fname, strerror(errno));
1007 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1008 struct llapi_layout *layout)
1016 fd = lstat(fname, &st);
1017 if (fd == 0 && S_ISDIR(st.st_mode))
1018 open_flags = O_DIRECTORY | O_RDONLY;
1020 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1022 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1023 S_ISDIR(st.st_mode) ?
1024 "set default composite layout for" :
1025 "create composite file",
1026 fname, strerror(errno));
1030 static int lfs_migrate(char *name, __u64 migration_flags,
1031 struct llapi_stripe_param *param,
1032 struct llapi_layout *layout)
1038 rc = migrate_open_files(name, migration_flags, param, layout,
1043 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1044 /* Blocking mode (forced if servers do not support file lease).
1045 * It is also the default mode, since we cannot distinguish
1046 * between a broken lease and a server that does not support
1047 * atomic swap/close (LU-6785) */
1048 rc = migrate_block(fd, fdv);
1052 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1054 error_loc = "cannot get lease";
1058 rc = migrate_nonblock(fd, fdv);
1060 llapi_lease_release(fd);
1064 /* Atomically put lease, swap layouts and close.
1065 * for a migration we need to check data version on file did
1067 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1069 error_loc = "cannot swap layout";
1081 fprintf(stderr, "error: %s: %s: %s: %s\n",
1082 progname, name, error_loc, strerror(-rc));
1086 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1095 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1099 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1100 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1101 const char *comp_name = comp_flags_table[i].cfn_name;
1103 if (strcmp(name, comp_name) == 0) {
1104 *flags |= comp_flag;
1106 } else if (strncmp(name, "^", 1) == 0 &&
1107 strcmp(name + 1, comp_name) == 0) {
1108 *neg_flags |= comp_flag;
1113 llapi_printf(LLAPI_MSG_ERROR,
1114 "%s: component flag '%s' not supported\n",
1120 if (!*flags && !*neg_flags)
1123 /* don't allow to set and exclude the same flag */
1124 if (*flags & *neg_flags)
1130 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1138 if (strncmp(string, "^", 1) == 0) {
1139 *neg_state = llapi_layout_string_flags(string + 1);
1140 if (*neg_state != 0)
1143 *state = llapi_layout_string_flags(string);
1148 llapi_printf(LLAPI_MSG_ERROR,
1149 "%s: mirrored file state '%s' not supported\n",
1155 * struct mirror_args - Command-line arguments for mirror(s).
1156 * @m_count: Number of mirrors to be created with this layout.
1157 * @m_flags: Mirror level flags, only 'prefer' is supported.
1158 * @m_layout: Mirror layout.
1159 * @m_file: A victim file. Its layout will be split and used as a mirror.
1160 * @m_next: Point to the next node of the list.
1162 * Command-line arguments for mirror(s) will be parsed and stored in
1163 * a linked list that consists of this structure.
1165 struct mirror_args {
1168 struct llapi_layout *m_layout;
1170 struct mirror_args *m_next;
1173 static int mirror_sanity_check_flags(struct llapi_layout *layout, void *unused)
1178 rc = llapi_layout_comp_flags_get(layout, &flags);
1182 if (flags & LCME_FL_NEG) {
1183 fprintf(stderr, "error: %s: negative flags are not supported\n",
1188 if (flags & LCME_FL_STALE) {
1189 fprintf(stderr, "error: %s: setting '%s' is not supported\n",
1190 progname, comp_flags_table[LCME_FL_STALE].cfn_name);
1194 return LLAPI_LAYOUT_ITER_CONT;
1197 static inline int mirror_sanity_check_one(struct llapi_layout *layout)
1199 uint64_t start, end;
1203 /* LU-10112: do not support dom+flr in phase 1 */
1204 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
1208 rc = llapi_layout_pattern_get(layout, &pattern);
1212 if (pattern == LOV_PATTERN_MDT || pattern == LLAPI_LAYOUT_MDT) {
1213 fprintf(stderr, "error: %s: doesn't support dom+flr for now\n",
1218 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_LAST);
1222 rc = llapi_layout_comp_extent_get(layout, &start, &end);
1226 if (end != LUSTRE_EOF) {
1227 fprintf(stderr, "error: %s: mirror layout doesn't reach eof\n",
1232 rc = llapi_layout_comp_iterate(layout, mirror_sanity_check_flags, NULL);
1237 * enum mirror_flags - Flags for extending a mirrored file.
1238 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1239 * in case the victim file(s) contains the same data as the
1240 * original mirrored file.
1241 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1243 * Flags for extending a mirrored file.
1251 * mirror_create_sanity_check() - Check mirror list.
1252 * @list: A linked list that stores the mirror arguments.
1254 * This function does a sanity check on @list for creating
1257 * Return: 0 on success or a negative error code on failure.
1259 static int mirror_create_sanity_check(const char *fname,
1260 struct mirror_args *list)
1263 bool has_m_file = false;
1264 bool has_m_layout = false;
1270 struct llapi_layout *layout;
1272 layout = llapi_layout_get_by_path(fname, 0);
1275 "error: %s: file '%s' couldn't get layout\n",
1280 rc = mirror_sanity_check_one(layout);
1281 llapi_layout_free(layout);
1287 while (list != NULL) {
1288 if (list->m_file != NULL) {
1290 llapi_layout_free(list->m_layout);
1293 llapi_layout_get_by_path(list->m_file, 0);
1294 if (list->m_layout == NULL) {
1296 "error: %s: file '%s' has no layout\n",
1297 progname, list->m_file);
1301 has_m_layout = true;
1302 if (list->m_layout == NULL) {
1303 fprintf(stderr, "error: %s: no mirror layout\n",
1309 rc = mirror_sanity_check_one(list->m_layout);
1313 list = list->m_next;
1316 if (has_m_file && has_m_layout) {
1318 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1326 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1328 __u32 mirror_flags = *(__u32 *)cbdata;
1332 rc = llapi_layout_comp_flags_get(layout, &flags);
1337 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1342 return LLAPI_LAYOUT_ITER_CONT;
1346 * mirror_create() - Create a mirrored file.
1347 * @fname: The file to be created.
1348 * @mirror_list: A linked list that stores the mirror arguments.
1350 * This function creates a mirrored file @fname with the mirror(s)
1351 * from @mirror_list.
1353 * Return: 0 on success or a negative error code on failure.
1355 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1357 struct llapi_layout *layout = NULL;
1358 struct mirror_args *cur_mirror = NULL;
1359 uint16_t mirror_count = 0;
1363 rc = mirror_create_sanity_check(NULL, mirror_list);
1367 cur_mirror = mirror_list;
1368 while (cur_mirror != NULL) {
1369 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1371 &cur_mirror->m_flags);
1374 fprintf(stderr, "%s: failed to set mirror flags\n",
1379 for (i = 0; i < cur_mirror->m_count; i++) {
1380 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1383 fprintf(stderr, "error: %s: "
1384 "merge layout failed: %s\n",
1385 progname, strerror(errno));
1389 mirror_count += cur_mirror->m_count;
1390 cur_mirror = cur_mirror->m_next;
1393 if (layout == NULL) {
1394 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1398 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1401 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1402 progname, strerror(errno));
1406 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0644,
1414 llapi_layout_free(layout);
1419 * Compare files and check lease on @fd.
1421 * \retval bytes number of bytes are the same
1423 static ssize_t mirror_file_compare(int fd, int fdv)
1425 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1427 ssize_t bytes_done = 0;
1428 ssize_t bytes_read = 0;
1430 buf = malloc(buflen * 2);
1435 if (!llapi_lease_check(fd)) {
1436 bytes_done = -EBUSY;
1440 bytes_read = read(fd, buf, buflen);
1441 if (bytes_read <= 0)
1444 if (bytes_read != read(fdv, buf + buflen, buflen))
1447 /* XXX: should compute the checksum on each buffer and then
1448 * compare checksum to avoid cache collision */
1449 if (memcmp(buf, buf + buflen, bytes_read))
1452 bytes_done += bytes_read;
1460 static int mirror_extend_file(const char *fname, const char *victim_file,
1461 enum mirror_flags mirror_flags)
1466 struct stat stbuf_v;
1467 struct ll_ioc_lease *data = NULL;
1470 fd = open(fname, O_RDWR);
1472 error_loc = "open source file";
1477 fdv = open(victim_file, O_RDWR);
1479 error_loc = "open target file";
1484 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1485 error_loc = "stat source or target file";
1490 if (stbuf.st_dev != stbuf_v.st_dev) {
1491 error_loc = "stat source and target file";
1496 /* mirrors should be of the same size */
1497 if (stbuf.st_size != stbuf_v.st_size) {
1498 error_loc = "file sizes don't match";
1503 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1505 error_loc = "cannot get lease";
1509 if (!(mirror_flags & MF_NO_VERIFY)) {
1511 /* mirrors should have the same contents */
1512 ret = mirror_file_compare(fd, fdv);
1513 if (ret != stbuf.st_size) {
1514 error_loc = "file busy or contents don't match";
1515 rc = ret < 0 ? ret : -EINVAL;
1520 /* Get rid of caching pages from clients */
1521 rc = llapi_file_flush(fd);
1523 error_loc = "cannot get data version";
1527 rc = llapi_file_flush(fdv);
1529 error_loc = "cannot get data version";
1534 /* Make sure we keep original atime/mtime values */
1535 rc = migrate_copy_timestamps(fd, fdv);
1537 error_loc = "cannot copy timestamp";
1541 /* Atomically put lease, merge layouts and close. */
1542 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1544 error_loc = "memory allocation";
1547 data->lil_mode = LL_LEASE_UNLCK;
1548 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1549 data->lil_count = 1;
1550 data->lil_ids[0] = fdv;
1551 rc = llapi_lease_set(fd, data);
1553 error_loc = "cannot merge layout";
1555 } else if (rc == 0) {
1557 error_loc = "lost lease lock";
1570 (void) unlink(victim_file);
1572 fprintf(stderr, "error: %s: %s: %s: %s\n",
1573 progname, fname, error_loc, strerror(-rc));
1577 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1579 struct ll_ioc_lease *data = NULL;
1584 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1588 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1590 error_loc = "cannot get lease";
1594 rc = migrate_nonblock(fd, fdv);
1596 llapi_lease_release(fd);
1600 /* Atomically put lease, merge layouts and close. */
1601 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1603 error_loc = "memory allocation";
1606 data->lil_mode = LL_LEASE_UNLCK;
1607 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1608 data->lil_count = 1;
1609 data->lil_ids[0] = fdv;
1610 rc = llapi_lease_set(fd, data);
1612 error_loc = "cannot merge layout";
1614 } else if (rc == 0) {
1616 error_loc = "lost lease lock";
1629 fprintf(stderr, "error: %s: %s: %s: %s\n",
1630 progname, name, error_loc, strerror(-rc));
1634 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1635 enum mirror_flags mirror_flags)
1639 rc = mirror_create_sanity_check(fname, mirror_list);
1643 while (mirror_list) {
1644 if (mirror_list->m_file != NULL) {
1645 rc = mirror_extend_file(fname, mirror_list->m_file,
1648 __u32 mirror_count = mirror_list->m_count;
1650 while (mirror_count > 0) {
1651 rc = mirror_extend_layout(fname,
1652 mirror_list->m_layout);
1662 mirror_list = mirror_list->m_next;
1668 static int verify_id(struct llapi_layout *layout, void *cbdata)
1673 rc = llapi_layout_mirror_id_get(layout, &id);
1677 if ((__u16)id == *(__u16 *)cbdata)
1678 return LLAPI_LAYOUT_ITER_STOP;
1680 return LLAPI_LAYOUT_ITER_CONT;
1683 static int mirror_split(const char *fname, __u16 mirror_id,
1684 enum mirror_flags mflags, const char *victim_file)
1686 struct llapi_layout *layout;
1687 char parent[PATH_MAX];
1688 char victim[PATH_MAX];
1689 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1691 struct ll_ioc_lease *data;
1692 uint16_t mirror_count;
1697 /* check fname contains mirror with mirror_id */
1698 layout = llapi_layout_get_by_path(fname, 0);
1701 "error %s: file '%s' couldn't get layout\n",
1706 rc = mirror_sanity_check_one(layout);
1710 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1713 "error %s: file '%s' couldn't get mirror count\n",
1717 if (mirror_count < 2) {
1719 "error %s: file '%s' has %d component, cannot split\n",
1720 progname, fname, mirror_count);
1724 rc = llapi_layout_comp_iterate(layout, verify_id, &mirror_id);
1726 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
1729 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
1731 "error %s: file '%s' does not contain mirror with id %u\n",
1732 progname, fname, mirror_id);
1736 fd = open(fname, O_RDWR);
1739 "error %s: open file '%s' failed: %s\n",
1740 progname, fname, strerror(errno));
1744 /* get victim file directory pathname */
1745 if (strlen(fname) > sizeof(parent) - 1) {
1746 fprintf(stderr, "error %s: file name of '%s' too long\n",
1751 strncpy(parent, fname, sizeof(parent));
1752 ptr = strrchr(parent, '/');
1754 if (getcwd(parent, sizeof(parent)) == NULL) {
1755 fprintf(stderr, "error %s: getcwd failed: %s\n",
1756 progname, strerror(errno));
1766 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
1768 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
1773 if (victim_file == NULL) {
1774 /* use a temp file to store the splitted layout */
1775 if (mflags & MF_DESTROY) {
1776 fdv = llapi_create_volatile_idx(parent, mdt_index,
1777 O_LOV_DELAY_CREATE);
1779 snprintf(victim, sizeof(victim), "%s.mirror~%u",
1781 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
1784 /* user specified victim file */
1785 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
1790 "error %s: create victim file failed: %s\n",
1791 progname, strerror(errno));
1795 /* get lease lock of fname */
1796 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
1799 "error %s: cannot get lease of file '%s': %d\n",
1800 progname, fname, rc);
1804 /* Atomatically put lease, split layouts and close. */
1805 data = malloc(offsetof(typeof(*data), lil_ids[2]));
1811 data->lil_mode = LL_LEASE_UNLCK;
1812 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
1813 data->lil_count = 2;
1814 data->lil_ids[0] = fdv;
1815 data->lil_ids[1] = mirror_id;
1816 rc = llapi_lease_set(fd, data);
1818 if (rc == 0) /* lost lease lock */
1821 "error %s: cannot split '%s': %s\n",
1822 progname, fname, strerror(-rc));
1833 llapi_layout_free(layout);
1838 * Parse a string containing an target index list into an array of integers.
1840 * The input string contains a comma delimited list of individual
1841 * indices and ranges, for example "1,2-4,7". Add the indices into the
1842 * \a tgts array and remove duplicates.
1844 * \param[out] tgts array to store indices in
1845 * \param[in] size size of \a tgts array
1846 * \param[in] offset starting index in \a tgts
1847 * \param[in] arg string containing OST index list
1849 * \retval positive number of indices in \a tgts
1850 * \retval -EINVAL unable to parse \a arg
1852 static int parse_targets(__u32 *tgts, int size, int offset, char *arg)
1856 int slots = size - offset;
1863 end_of_loop = false;
1864 while (!end_of_loop) {
1868 char *endptr = NULL;
1872 ptr = strchrnul(arg, ',');
1874 end_of_loop = *ptr == '\0';
1877 start_index = strtol(arg, &endptr, 0);
1878 if (endptr == arg) /* no data at all */
1880 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
1883 end_index = start_index;
1884 if (*endptr == '-') {
1885 end_index = strtol(endptr + 1, &endptr, 0);
1886 if (*endptr != '\0')
1888 if (end_index < start_index)
1892 for (i = start_index; i <= end_index && slots > 0; i++) {
1895 /* remove duplicate */
1896 for (j = 0; j < offset; j++) {
1900 if (j == offset) { /* no duplicate */
1905 if (slots == 0 && i < end_index)
1913 if (!end_of_loop && ptr != NULL)
1916 return rc < 0 ? rc : nr;
1919 struct lfs_setstripe_args {
1920 unsigned long long lsa_comp_end;
1921 unsigned long long lsa_stripe_size;
1922 long long lsa_stripe_count;
1923 long long lsa_stripe_off;
1924 __u32 lsa_comp_flags;
1925 __u32 lsa_comp_neg_flags;
1926 unsigned long long lsa_pattern;
1927 unsigned int lsa_mirror_count;
1929 bool lsa_first_comp;
1931 char *lsa_pool_name;
1934 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
1936 unsigned int mirror_count = lsa->lsa_mirror_count;
1937 bool first_comp = lsa->lsa_first_comp;
1939 memset(lsa, 0, sizeof(*lsa));
1941 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
1942 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
1943 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
1944 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
1945 lsa->lsa_pool_name = NULL;
1947 lsa->lsa_mirror_count = mirror_count;
1948 lsa->lsa_first_comp = first_comp;
1952 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
1953 * @lsa: Stripe options to be initialized and inherited.
1955 * This function initializes stripe options in @lsa and inherit
1956 * stripe_size, stripe_count and OST pool_name options.
1960 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
1962 unsigned long long stripe_size;
1963 long long stripe_count;
1964 char *pool_name = NULL;
1966 stripe_size = lsa->lsa_stripe_size;
1967 stripe_count = lsa->lsa_stripe_count;
1968 pool_name = lsa->lsa_pool_name;
1970 setstripe_args_init(lsa);
1972 lsa->lsa_stripe_size = stripe_size;
1973 lsa->lsa_stripe_count = stripe_count;
1974 lsa->lsa_pool_name = pool_name;
1977 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
1979 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
1980 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
1981 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
1982 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
1983 lsa->lsa_pool_name != NULL ||
1984 lsa->lsa_comp_end != 0);
1988 * comp_args_to_layout() - Create or extend a composite layout.
1989 * @composite: Pointer to the composite layout.
1990 * @lsa: Stripe options for the new component.
1992 * This function creates or extends a composite layout by adding a new
1993 * component with stripe options from @lsa.
1995 * Return: 0 on success or an error code on failure.
1997 static int comp_args_to_layout(struct llapi_layout **composite,
1998 struct lfs_setstripe_args *lsa,
2001 struct llapi_layout *layout = *composite;
2002 uint64_t prev_end = 0;
2005 if (layout == NULL) {
2006 layout = llapi_layout_alloc();
2007 if (layout == NULL) {
2008 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2012 *composite = layout;
2016 /* Get current component extent, current component
2017 * must be the tail component. */
2018 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2020 fprintf(stderr, "Get comp extent failed. %s\n",
2025 if (lsa->lsa_first_comp)
2028 if (lsa->lsa_first_comp)
2029 rc = llapi_layout_add_first_comp(layout);
2031 rc = llapi_layout_comp_add(layout);
2033 fprintf(stderr, "Add component failed. %s\n",
2038 /* reset lsa_first_comp */
2039 lsa->lsa_first_comp = false;
2042 rc = llapi_layout_comp_extent_set(layout, prev_end,
2045 fprintf(stderr, "Set extent [%lu, %llu) failed. %s\n",
2046 prev_end, lsa->lsa_comp_end, strerror(errno));
2051 /* Data-on-MDT component setting */
2052 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2053 /* In case of Data-on-MDT patterns the only extra option
2054 * applicable is stripe size option. */
2055 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2056 fprintf(stderr, "Option 'stripe-count' can't be "
2057 "specified with Data-on-MDT component: %lld\n",
2058 lsa->lsa_stripe_count);
2061 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2062 fprintf(stderr, "Option 'stripe-size' can't be "
2063 "specified with Data-on-MDT component: %llu\n",
2064 lsa->lsa_stripe_size);
2067 if (lsa->lsa_nr_tgts != 0) {
2068 fprintf(stderr, "Option 'ost-list' can't be specified "
2069 "with Data-on-MDT component: '%i'\n",
2073 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2074 fprintf(stderr, "Option 'stripe-offset' can't be "
2075 "specified with Data-on-MDT component: %lld\n",
2076 lsa->lsa_stripe_off);
2079 if (lsa->lsa_pool_name != 0) {
2080 fprintf(stderr, "Option 'pool' can't be specified "
2081 "with Data-on-MDT component: '%s'\n",
2082 lsa->lsa_pool_name);
2086 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2088 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2089 lsa->lsa_pattern, strerror(errno));
2092 /* Data-on-MDT component has always single stripe up to end */
2093 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2096 rc = llapi_layout_stripe_size_set(layout, lsa->lsa_stripe_size);
2098 fprintf(stderr, "Set stripe size %llu failed: %s\n",
2099 lsa->lsa_stripe_size, strerror(errno));
2103 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2105 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2106 lsa->lsa_stripe_count, strerror(errno));
2110 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2112 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2113 lsa->lsa_comp_flags, strerror(errno));
2117 if (lsa->lsa_pool_name != NULL) {
2118 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2120 fprintf(stderr, "Set pool name: %s failed. %s\n",
2121 lsa->lsa_pool_name, strerror(errno));
2125 rc = llapi_layout_pool_name_set(layout, "");
2127 fprintf(stderr, "Clear pool name failed: %s\n",
2133 if (lsa->lsa_nr_tgts > 0) {
2134 if (lsa->lsa_stripe_count > 0 &&
2135 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2136 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2137 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2138 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2139 lsa->lsa_stripe_count, lsa->lsa_nr_tgts);
2142 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2143 rc = llapi_layout_ost_index_set(layout, i,
2148 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2149 lsa->lsa_stripe_off != -1) {
2150 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2153 fprintf(stderr, "Set ost index %d failed. %s\n",
2154 i, strerror(errno));
2161 static int build_component(struct llapi_layout **layout,
2162 struct lfs_setstripe_args *lsa, bool set_extent)
2166 rc = comp_args_to_layout(layout, lsa, set_extent);
2170 if (lsa->lsa_mirror_count > 0) {
2171 rc = llapi_layout_mirror_count_set(*layout,
2172 lsa->lsa_mirror_count);
2176 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2179 lsa->lsa_mirror_count = 0;
2185 static int build_layout_from_yaml_node(struct cYAML *node,
2186 struct llapi_layout **layout,
2187 struct lfs_setstripe_args *lsa,
2194 string = node->cy_string;
2195 /* skip leading lmm_ if present, to simplify parsing */
2196 if (string != NULL && strncmp(string, "lmm_", 4) == 0)
2199 if (node->cy_type == CYAML_TYPE_STRING) {
2200 if (!strcmp(string, "lcme_extent.e_end")) {
2201 if (!strcmp(node->cy_valuestring, "EOF") ||
2202 !strcmp(node->cy_valuestring, "eof"))
2203 lsa->lsa_comp_end = LUSTRE_EOF;
2204 } else if (!strcmp(string, "pool")) {
2205 lsa->lsa_pool_name = node->cy_valuestring;
2206 } else if (!strcmp(string, "pattern")) {
2207 if (!strcmp(node->cy_valuestring, "mdt"))
2208 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2210 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2211 if (!strcmp(string, "lcm_mirror_count")) {
2212 lsa->lsa_mirror_count = node->cy_valueint;
2213 } else if (!strcmp(string, "lcme_extent.e_start")) {
2214 if (node->cy_valueint != 0 || *layout != NULL) {
2215 rc = build_component(layout, lsa, true);
2220 if (node->cy_valueint == 0)
2221 lsa->lsa_first_comp = true;
2223 /* initialize lsa */
2224 setstripe_args_init(lsa);
2225 lsa->lsa_tgts = osts;
2226 } else if (!strcmp(string, "lcme_extent.e_end")) {
2227 if (node->cy_valueint == -1)
2228 lsa->lsa_comp_end = LUSTRE_EOF;
2230 lsa->lsa_comp_end = node->cy_valueint;
2231 } else if (!strcmp(string, "stripe_count")) {
2232 lsa->lsa_stripe_count = node->cy_valueint;
2233 } else if (!strcmp(string, "stripe_size")) {
2234 lsa->lsa_stripe_size = node->cy_valueint;
2235 } else if (!strcmp(string, "stripe_offset")) {
2236 lsa->lsa_stripe_off = node->cy_valueint;
2237 } else if (!strcmp(string, "l_ost_idx")) {
2238 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2241 } else if (node->cy_type == CYAML_TYPE_OBJECT) {
2242 /* go deep to sub blocks */
2243 rc = build_layout_from_yaml_node(node->cy_child, layout,
2248 node = node->cy_next;
2254 static int lfs_comp_create_from_yaml(char *template,
2255 struct llapi_layout **layout,
2256 struct lfs_setstripe_args *lsa,
2259 struct cYAML *tree = NULL, *err_rc = NULL;
2262 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2264 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2265 progname, template);
2266 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2267 "can't parse", &err_rc);
2268 cYAML_print_tree2file(stderr, err_rc);
2269 cYAML_free_tree(err_rc);
2274 /* initialize lsa for plain file */
2275 setstripe_args_init(lsa);
2276 lsa->lsa_tgts = osts;
2278 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2280 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2281 progname, template);
2284 rc = build_component(layout, lsa, *layout != NULL);
2286 /* clean clean lsa */
2287 setstripe_args_init(lsa);
2291 cYAML_free_tree(tree);
2295 /* In 'lfs setstripe --component-add' mode, we need to fetch the extent
2296 * end of the last component in the existing file, and adjust the
2297 * first extent start of the components to be added accordingly. */
2298 static int adjust_first_extent(char *fname, struct llapi_layout *layout)
2300 struct llapi_layout *head;
2301 uint64_t start, end, stripe_size, prev_end = 0;
2304 if (layout == NULL) {
2306 "%s setstripe: layout must be specified\n",
2312 head = llapi_layout_get_by_path(fname, 0);
2315 "%s setstripe: cannot read layout from '%s': %s\n",
2316 progname, fname, strerror(errno));
2318 } else if (errno == ENODATA) {
2319 /* file without LOVEA, this component-add will be turned
2320 * into a component-create. */
2321 llapi_layout_free(head);
2323 } else if (!llapi_layout_is_composite(head)) {
2324 fprintf(stderr, "%s setstripe: '%s' not a composite file\n",
2326 llapi_layout_free(head);
2330 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2332 fprintf(stderr, "%s setstripe: cannot get prev extent: %s\n",
2333 progname, strerror(errno));
2334 llapi_layout_free(head);
2338 llapi_layout_free(head);
2340 /* Make sure we use the first component of the layout to be added. */
2341 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2344 "%s setstripe: cannot move component cursor: %s\n",
2345 progname, strerror(errno));
2349 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2351 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2352 progname, strerror(errno));
2356 if (start > prev_end || end <= prev_end) {
2358 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
2359 progname, start, end, prev_end);
2363 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
2365 fprintf(stderr, "%s setstripe: cannot get stripe size: %s\n",
2366 progname, strerror(errno));
2370 if (stripe_size != LLAPI_LAYOUT_DEFAULT &&
2371 (prev_end & (stripe_size - 1))) {
2373 "%s setstripe: stripe size %lu not aligned with %lu\n",
2374 progname, stripe_size, prev_end);
2378 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2381 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
2382 progname, prev_end, end, strerror(errno));
2389 static inline bool arg_is_eof(char *arg)
2391 return !strncmp(arg, "-1", strlen("-1")) ||
2392 !strncmp(arg, "EOF", strlen("EOF")) ||
2393 !strncmp(arg, "eof", strlen("eof"));
2397 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2399 * Return: Valid mirror_args pointer on success and
2400 * NULL if memory allocation fails.
2402 static struct mirror_args *lfs_mirror_alloc(void)
2404 struct mirror_args *mirror = NULL;
2407 mirror = calloc(1, sizeof(*mirror));
2418 * lfs_mirror_free() - Free memory allocated for a mirror argument
2420 * @mirror: Previously allocated mirror argument structure by
2421 * lfs_mirror_alloc().
2423 * Free memory allocated for @mirror.
2427 static void lfs_mirror_free(struct mirror_args *mirror)
2429 if (mirror->m_layout != NULL)
2430 llapi_layout_free(mirror->m_layout);
2435 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2436 * @mirror_list: Previously allocated mirror list.
2438 * Free memory allocated for @mirror_list.
2442 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2444 struct mirror_args *next_mirror = NULL;
2446 while (mirror_list != NULL) {
2447 next_mirror = mirror_list->m_next;
2448 lfs_mirror_free(mirror_list);
2449 mirror_list = next_mirror;
2461 LFS_COMP_NO_VERIFY_OPT,
2463 LFS_MIRROR_FLAGS_OPT,
2465 LFS_MIRROR_STATE_OPT,
2470 static int lfs_setstripe_internal(int argc, char **argv,
2471 enum setstripe_origin opc)
2473 struct lfs_setstripe_args lsa = { 0 };
2474 struct llapi_stripe_param *param = NULL;
2475 struct find_param migrate_mdt_param = {
2485 char *mdt_idx_arg = NULL;
2486 unsigned long long size_units = 1;
2487 bool migrate_mode = false;
2488 bool migration_block = false;
2489 __u64 migration_flags = 0;
2490 __u32 osts[LOV_MAX_STRIPE_COUNT] = { 0 };
2491 int comp_del = 0, comp_set = 0;
2494 struct llapi_layout *layout = NULL;
2495 struct llapi_layout **lpp = &layout;
2496 bool mirror_mode = false;
2497 bool has_m_file = false;
2498 __u32 mirror_count = 0;
2499 enum mirror_flags mirror_flags = 0;
2500 struct mirror_args *mirror_list = NULL;
2501 struct mirror_args *new_mirror = NULL;
2502 struct mirror_args *last_mirror = NULL;
2503 __u16 mirror_id = 0;
2505 bool from_yaml = false;
2506 bool from_copy = false;
2507 char *template = NULL;
2509 struct option long_opts[] = {
2510 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
2511 /* --block is only valid in migrate mode */
2512 { .val = 'b', .name = "block", .has_arg = no_argument },
2513 { .val = LFS_COMP_ADD_OPT,
2514 .name = "comp-add", .has_arg = no_argument },
2515 { .val = LFS_COMP_ADD_OPT,
2516 .name = "component-add", .has_arg = no_argument },
2517 { .val = LFS_COMP_DEL_OPT,
2518 .name = "comp-del", .has_arg = no_argument },
2519 { .val = LFS_COMP_DEL_OPT,
2520 .name = "component-del", .has_arg = no_argument },
2521 { .val = LFS_COMP_FLAGS_OPT,
2522 .name = "comp-flags", .has_arg = required_argument },
2523 { .val = LFS_COMP_FLAGS_OPT,
2524 .name = "component-flags",
2525 .has_arg = required_argument },
2526 { .val = LFS_COMP_SET_OPT,
2527 .name = "comp-set", .has_arg = no_argument },
2528 { .val = LFS_COMP_SET_OPT,
2529 .name = "component-set",
2530 .has_arg = no_argument},
2531 { .val = LFS_COMP_NO_VERIFY_OPT,
2532 .name = "no-verify", .has_arg = no_argument},
2533 { .val = LFS_MIRROR_FLAGS_OPT,
2534 .name = "flags", .has_arg = required_argument},
2535 { .val = LFS_MIRROR_ID_OPT,
2536 .name = "mirror-id", .has_arg = required_argument},
2537 { .val = LFS_LAYOUT_COPY,
2538 .name = "copy", .has_arg = required_argument},
2539 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
2540 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
2541 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
2542 { .val = 'd', .name = "delete", .has_arg = no_argument},
2543 { .val = 'd', .name = "destroy", .has_arg = no_argument},
2544 /* --non-direct is only valid in migrate mode */
2545 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
2546 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
2547 { .val = 'E', .name = "component-end",
2548 .has_arg = required_argument},
2549 { .val = 'f', .name = "file", .has_arg = required_argument },
2550 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
2551 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
2552 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
2553 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
2554 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
2555 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
2556 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
2557 { .val = 'I', .name = "component-id", .has_arg = required_argument},
2558 { .val = 'L', .name = "layout", .has_arg = required_argument },
2559 { .val = 'm', .name = "mdt", .has_arg = required_argument},
2560 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
2561 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
2562 /* --non-block is only valid in migrate mode */
2563 { .val = 'n', .name = "non-block", .has_arg = no_argument },
2564 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
2565 { .val = 'o', .name = "ost", .has_arg = required_argument },
2566 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2567 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
2568 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
2570 { .val = 'p', .name = "pool", .has_arg = required_argument },
2571 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
2572 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
2573 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
2574 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
2575 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
2576 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
2577 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
2578 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
2579 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
2580 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
2581 /* --verbose is only valid in migrate mode */
2582 { .val = 'v', .name = "verbose", .has_arg = no_argument},
2583 { .val = 'y', .name = "yaml", .has_arg = required_argument },
2586 setstripe_args_init(&lsa);
2588 migrate_mode = (opc == SO_MIGRATE);
2589 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
2591 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
2593 while ((c = getopt_long(argc, argv, "bc:dDE:f:i:I:m:N::no:p:L:s:S:vy:",
2594 long_opts, NULL)) >= 0) {
2599 case LFS_COMP_ADD_OPT:
2602 case LFS_COMP_DEL_OPT:
2605 case LFS_COMP_FLAGS_OPT:
2606 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
2607 &lsa.lsa_comp_neg_flags);
2610 if (mirror_mode && lsa.lsa_comp_neg_flags) {
2611 fprintf(stderr, "%s: inverted flags are not supported\n",
2615 if (lsa.lsa_comp_neg_flags & LCME_FL_STALE) {
2617 "%s: cannot clear 'stale' flags from component. Please use lfs-mirror-resync(1) instead\n",
2624 case LFS_COMP_SET_OPT:
2627 case LFS_COMP_NO_VERIFY_OPT:
2628 mirror_flags |= MF_NO_VERIFY;
2630 case LFS_MIRROR_ID_OPT:
2631 mirror_id = strtoul(optarg, &end, 0);
2632 if (*end != '\0' || mirror_id == 0) {
2634 "%s %s: invalid mirror ID '%s'\n",
2635 progname, argv[0], optarg);
2639 case LFS_MIRROR_FLAGS_OPT: {
2642 if (!mirror_mode || !last_mirror) {
2643 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
2648 result = comp_str2flags(optarg, &last_mirror->m_flags,
2654 fprintf(stderr, "%s: inverted flags are not supported\n",
2659 if (last_mirror->m_flags & ~LCME_USER_FLAGS) {
2661 "%s: unsupported mirror flags: %s\n",
2668 case LFS_LAYOUT_COPY:
2673 if (!migrate_mode) {
2675 "%s %s: -b|--block valid only for migrate command\n",
2679 migration_block = true;
2682 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
2685 "%s %s: invalid stripe count '%s'\n",
2686 progname, argv[0], optarg);
2690 if (lsa.lsa_stripe_count == -1)
2691 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
2694 /* delete the default striping pattern */
2696 if (opc == SO_MIRROR_SPLIT) {
2699 "%s %s: -d cannot used with -f\n",
2703 mirror_flags |= MF_DESTROY;
2707 if (!migrate_mode) {
2709 "%s %s: -D|--non-direct is valid "
2710 "only for migrate command\n",
2714 migration_flags |= MIGRATION_NONDIRECT;
2717 if (lsa.lsa_comp_end != 0) {
2718 result = comp_args_to_layout(lpp, &lsa, true);
2721 "%s %s: invalid layout\n",
2726 setstripe_args_init_inherit(&lsa);
2729 if (arg_is_eof(optarg)) {
2730 lsa.lsa_comp_end = LUSTRE_EOF;
2732 result = llapi_parse_size(optarg,
2737 "%s %s: invalid component end '%s'\n",
2738 progname, argv[0], optarg);
2744 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
2747 "%s %s: invalid stripe offset '%s'\n",
2748 progname, argv[0], optarg);
2751 if (lsa.lsa_stripe_off == -1)
2752 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2755 comp_id = strtoul(optarg, &end, 0);
2756 if (*end != '\0' || comp_id == 0 ||
2757 comp_id > LCME_ID_MAX) {
2759 "%s %s: invalid component ID '%s'\n",
2760 progname, argv[0], optarg);
2765 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
2767 "error: %s: invalid option: %s\n",
2768 progname, argv[optopt + 1]);
2771 if (opc == SO_MIRROR_EXTEND) {
2772 if (last_mirror == NULL) {
2774 "error: %s: '-N' must exist in front of '%s'\n",
2775 progname, argv[optopt + 1]);
2778 last_mirror->m_file = optarg;
2779 last_mirror->m_count = 1;
2782 if (mirror_list == NULL)
2783 mirror_list = lfs_mirror_alloc();
2784 mirror_list->m_file = optarg;
2789 if (strcmp(argv[optind - 1], "mdt") == 0) {
2790 /* Can be only the first component */
2791 if (layout != NULL) {
2793 fprintf(stderr, "error: 'mdt' layout "
2794 "can be only the first one\n");
2797 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
2799 fprintf(stderr, "error: 'mdt' layout "
2800 "size is too big\n");
2803 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
2804 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
2806 fprintf(stderr, "error: layout '%s' is "
2807 "unknown, supported layouts are: "
2808 "'mdt', 'raid0'\n", argv[optind]);
2813 if (!migrate_mode) {
2815 "%s %s: -m|--mdt-index valid only for migrate command\n",
2819 mdt_idx_arg = optarg;
2822 if (!migrate_mode) {
2824 "%s %s: -n|--non-block valid only for migrate command\n",
2828 migration_flags |= MIGRATION_NONBLOCK;
2831 if (opc == SO_SETSTRIPE) {
2832 opc = SO_MIRROR_CREATE;
2836 if (optarg != NULL) {
2837 mirror_count = strtoul(optarg, &end, 0);
2838 if (*end != '\0' || mirror_count == 0) {
2840 "error: %s: bad mirror count: %s\n",
2847 new_mirror = lfs_mirror_alloc();
2848 new_mirror->m_count = mirror_count;
2850 if (mirror_list == NULL)
2851 mirror_list = new_mirror;
2853 if (last_mirror != NULL) {
2854 /* wrap up last mirror */
2855 if (lsa.lsa_comp_end == 0)
2856 lsa.lsa_comp_end = LUSTRE_EOF;
2858 result = comp_args_to_layout(lpp, &lsa, true);
2860 lfs_mirror_free(new_mirror);
2864 setstripe_args_init_inherit(&lsa);
2866 last_mirror->m_next = new_mirror;
2869 last_mirror = new_mirror;
2870 lpp = &last_mirror->m_layout;
2873 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2874 if (strcmp(argv[optind - 1], "--ost-list") == 0)
2875 fprintf(stderr, "warning: '--ost-list' is "
2876 "deprecated, use '--ost' instead\n");
2878 lsa.lsa_nr_tgts = parse_targets(osts,
2879 sizeof(osts) / sizeof(__u32),
2880 lsa.lsa_nr_tgts, optarg);
2881 if (lsa.lsa_nr_tgts < 0) {
2883 "%s %s: invalid OST target(s) '%s'\n",
2884 progname, argv[0], optarg);
2888 lsa.lsa_tgts = osts;
2889 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
2890 lsa.lsa_stripe_off = osts[0];
2895 lsa.lsa_pool_name = optarg;
2897 if (strlen(lsa.lsa_pool_name) == 0 ||
2898 strncmp(lsa.lsa_pool_name, "none",
2899 LOV_MAXPOOLNAME) == 0)
2900 lsa.lsa_pool_name = NULL;
2903 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
2907 "%s %s: invalid stripe size '%s'\n",
2908 progname, argv[0], optarg);
2913 if (!migrate_mode) {
2915 "%s %s: -v|--verbose valid only for migrate command\n",
2919 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
2926 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
2927 progname, argv[0], argv[optind - 1]);
2932 fname = argv[optind];
2934 if (optind == argc) {
2935 fprintf(stderr, "%s %s: FILE must be specified\n",
2940 if (mirror_mode && mirror_count == 0) {
2942 "error: %s: --mirror-count|-N option is required\n",
2949 if (lsa.lsa_comp_end == 0)
2950 lsa.lsa_comp_end = LUSTRE_EOF;
2953 if (lsa.lsa_comp_end != 0) {
2954 result = comp_args_to_layout(lpp, &lsa, true);
2959 if (mirror_flags & MF_NO_VERIFY) {
2960 if (opc != SO_MIRROR_EXTEND) {
2962 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
2966 } else if (!has_m_file) {
2968 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
2975 /* Only LCME_FL_INIT flags is used in PFL, and it shouldn't be
2976 * altered by user space tool, so we don't need to support the
2977 * --component-set for this moment. */
2978 if (comp_set && !comp_id) {
2979 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
2984 if ((delete + comp_set + comp_del + comp_add) > 1) {
2986 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
2991 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
2992 lsa.lsa_comp_flags != 0 || layout != NULL)) {
2994 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
2999 if ((comp_set || comp_del) &&
3000 (setstripe_args_specified(&lsa) || layout != NULL)) {
3002 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3007 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3009 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3014 if (comp_add || comp_del) {
3017 result = lstat(fname, &st);
3018 if (result == 0 && S_ISDIR(st.st_mode)) {
3020 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3026 fprintf(stderr, "error: %s: can't use --component-add "
3027 "or --component-del for mirror operation\n",
3034 if (layout == NULL) {
3036 "%s %s: option -E must be specified with --component-add\n",
3041 result = adjust_first_extent(fname, layout);
3042 if (result == -ENODATA)
3044 else if (result != 0)
3048 if (from_yaml && from_copy) {
3050 "%s: can't specify --yaml and --copy together\n",
3055 if ((from_yaml || from_copy) &&
3056 (setstripe_args_specified(&lsa) || layout != NULL)) {
3057 fprintf(stderr, "error: %s: can't specify --yaml with "
3058 "-c, -S, -i, -o, -p or -E options.\n",
3063 if (mdt_idx_arg != NULL && optind > 3) {
3065 "%s %s: option -m cannot be used with other options\n",
3070 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3072 "%s %s: options --non-block and --block are mutually exclusive\n",
3077 if (!comp_del && !comp_set && comp_id != 0) {
3079 "%s %s: option -I can only be used with --component-del\n",
3084 if (mdt_idx_arg != NULL) {
3085 /* initialize migrate mdt parameters */
3086 migrate_mdt_param.fp_mdt_index = strtoul(mdt_idx_arg, &end, 0);
3088 fprintf(stderr, "%s %s: invalid MDT index '%s'\n",
3089 progname, argv[0], mdt_idx_arg);
3092 migrate_mdt_param.fp_migrate = 1;
3093 } else if (layout == NULL) {
3094 /* initialize stripe parameters */
3095 param = calloc(1, offsetof(typeof(*param),
3096 lsp_osts[lsa.lsa_nr_tgts]));
3097 if (param == NULL) {
3099 "%s %s: cannot allocate memory for parameters: %s\n",
3100 progname, argv[0], strerror(ENOMEM));
3105 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3106 param->lsp_stripe_size = lsa.lsa_stripe_size;
3107 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3108 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3109 param->lsp_stripe_count = -1;
3111 param->lsp_stripe_count = lsa.lsa_stripe_count;
3113 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3114 param->lsp_stripe_offset = -1;
3116 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3117 param->lsp_pool = lsa.lsa_pool_name;
3118 param->lsp_is_specific = false;
3119 if (lsa.lsa_nr_tgts > 0) {
3120 if (lsa.lsa_stripe_count > 0 &&
3121 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3122 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3123 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3124 fprintf(stderr, "error: %s: stripe count %lld "
3125 "doesn't match the number of OSTs: %d\n"
3126 , argv[0], lsa.lsa_stripe_count,
3132 param->lsp_is_specific = true;
3133 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3134 memcpy(param->lsp_osts, osts,
3135 sizeof(*osts) * lsa.lsa_nr_tgts);
3140 /* generate a layout from a YAML template */
3141 result = lfs_comp_create_from_yaml(template, &layout,
3144 fprintf(stderr, "error: %s: can't create composite "
3145 "layout from template file %s\n",
3149 } else if (from_copy) {
3150 layout = llapi_layout_get_by_path(template, 0);
3151 if (layout == NULL) {
3153 "%s: can't create composite layout from file %s.\n",
3154 progname, template);
3159 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3160 if (mdt_idx_arg != NULL) {
3161 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3162 } else if (migrate_mode) {
3163 result = lfs_migrate(fname, migration_flags, param,
3165 } else if (comp_set != 0) {
3166 result = lfs_component_set(fname, comp_id,
3168 lsa.lsa_comp_neg_flags);
3169 } else if (comp_del != 0) {
3170 result = lfs_component_del(fname, comp_id,
3172 lsa.lsa_comp_neg_flags);
3173 } else if (comp_add != 0) {
3174 result = lfs_component_add(fname, layout);
3175 } else if (opc == SO_MIRROR_CREATE) {
3176 result = mirror_create(fname, mirror_list);
3177 } else if (opc == SO_MIRROR_EXTEND) {
3178 result = mirror_extend(fname, mirror_list,
3180 } else if (opc == SO_MIRROR_SPLIT) {
3181 if (mirror_id == 0) {
3183 "%s %s: no mirror id is specified\n",
3187 result = mirror_split(fname, mirror_id, mirror_flags,
3188 has_m_file ? mirror_list->m_file :
3190 } else if (layout != NULL) {
3191 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3198 result = llapi_file_open_param(fname,
3207 /* Save the first error encountered. */
3215 llapi_layout_free(layout);
3216 lfs_mirror_list_free(mirror_list);
3221 llapi_layout_free(layout);
3222 lfs_mirror_list_free(mirror_list);
3226 static int lfs_poollist(int argc, char **argv)
3231 return llapi_poollist(argv[1]);
3234 static int set_time(time_t *time, time_t *set, char *str)
3241 else if (str[0] == '-')
3247 t = strtol(str, NULL, 0);
3248 if (*time < t * 24 * 60 * 60) {
3251 fprintf(stderr, "Wrong time '%s' is specified.\n", str);
3255 *set = *time - t * 24 * 60 * 60;
3258 static int name2uid(unsigned int *id, const char *name)
3260 struct passwd *passwd;
3262 passwd = getpwnam(name);
3265 *id = passwd->pw_uid;
3270 static int name2gid(unsigned int *id, const char *name)
3272 struct group *group;
3274 group = getgrnam(name);
3277 *id = group->gr_gid;
3282 static inline int name2projid(unsigned int *id, const char *name)
3287 static int uid2name(char **name, unsigned int id)
3289 struct passwd *passwd;
3291 passwd = getpwuid(id);
3294 *name = passwd->pw_name;
3299 static inline int gid2name(char **name, unsigned int id)
3301 struct group *group;
3303 group = getgrgid(id);
3306 *name = group->gr_name;
3311 static int name2layout(__u32 *layout, char *name)
3313 char *ptr, *layout_name;
3316 for (ptr = name; ; ptr = NULL) {
3317 layout_name = strtok(ptr, ",");
3318 if (layout_name == NULL)
3320 if (strcmp(layout_name, "released") == 0)
3321 *layout |= LOV_PATTERN_F_RELEASED;
3322 else if (strcmp(layout_name, "raid0") == 0)
3323 *layout |= LOV_PATTERN_RAID0;
3324 else if (strcmp(layout_name, "mdt") == 0)
3325 *layout |= LOV_PATTERN_MDT;
3332 static int lfs_find(int argc, char **argv)
3337 struct find_param param = {
3341 struct option long_opts[] = {
3342 { .val = 'A', .name = "atime", .has_arg = required_argument },
3343 { .val = LFS_COMP_COUNT_OPT,
3344 .name = "comp-count", .has_arg = required_argument },
3345 { .val = LFS_COMP_COUNT_OPT,
3346 .name = "component-count",
3347 .has_arg = required_argument },
3348 { .val = LFS_COMP_FLAGS_OPT,
3349 .name = "comp-flags", .has_arg = required_argument },
3350 { .val = LFS_COMP_FLAGS_OPT,
3351 .name = "component-flags",
3352 .has_arg = required_argument },
3353 { .val = LFS_COMP_START_OPT,
3354 .name = "comp-start", .has_arg = required_argument },
3355 { .val = LFS_COMP_START_OPT,
3356 .name = "component-start",
3357 .has_arg = required_argument },
3358 { .val = LFS_MIRROR_STATE_OPT,
3359 .name = "mirror-state", .has_arg = required_argument },
3360 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
3361 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
3362 { .val = 'C', .name = "ctime", .has_arg = required_argument },
3363 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
3364 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
3365 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
3366 { .val = 'E', .name = "component-end",
3367 .has_arg = required_argument },
3368 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3369 { .val = 'g', .name = "gid", .has_arg = required_argument },
3370 { .val = 'G', .name = "group", .has_arg = required_argument },
3371 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
3372 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
3373 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
3374 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
3375 { .val = 'L', .name = "layout", .has_arg = required_argument },
3376 { .val = 'm', .name = "mdt", .has_arg = required_argument },
3377 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
3378 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
3379 { .val = 'M', .name = "mtime", .has_arg = required_argument },
3380 { .val = 'n', .name = "name", .has_arg = required_argument },
3381 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
3382 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
3383 { .val = 'O', .name = "obd", .has_arg = required_argument },
3384 { .val = 'O', .name = "ost", .has_arg = required_argument },
3385 /* no short option for pool yet, can be 'p' after 2.18 */
3386 { .val = LFS_POOL_OPT,
3387 .name = "pool", .has_arg = required_argument },
3388 { .val = '0', .name = "print0", .has_arg = no_argument },
3389 { .val = 'P', .name = "print", .has_arg = no_argument },
3390 { .val = LFS_PROJID_OPT,
3391 .name = "projid", .has_arg = required_argument },
3392 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3393 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3394 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3395 { .val = 's', .name = "size", .has_arg = required_argument },
3396 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3397 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3398 { .val = 't', .name = "type", .has_arg = required_argument },
3399 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
3400 { .val = 'u', .name = "uid", .has_arg = required_argument },
3401 { .val = 'U', .name = "user", .has_arg = required_argument },
3402 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
3403 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
3415 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
3416 while ((c = getopt_long_only(argc, argv,
3417 "-0A:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:v",
3418 long_opts, NULL)) >= 0) {
3423 /* '!' is part of option */
3424 /* when getopt_long_only() finds a string which is not
3425 * an option nor a known option argument it returns 1
3426 * in that case if we already have found pathstart and pathend
3427 * (i.e. we have the list of pathnames),
3428 * the only supported value is "!"
3430 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
3431 if (!isoption && pathend != -1) {
3432 fprintf(stderr, "err: %s: filename|dirname must either "
3433 "precede options or follow options\n",
3438 if (!isoption && pathstart == -1)
3439 pathstart = optind - 1;
3440 if (isoption && pathstart != -1 && pathend == -1)
3441 pathend = optind - 2;
3447 /* unknown; opt is "!" or path component,
3448 * checking done above.
3450 if (strcmp(optarg, "!") == 0)
3454 xtime = ¶m.fp_atime;
3455 xsign = ¶m.fp_asign;
3456 param.fp_exclude_atime = !!neg_opt;
3457 /* no break, this falls through to 'C' for ctime */
3460 xtime = ¶m.fp_ctime;
3461 xsign = ¶m.fp_csign;
3462 param.fp_exclude_ctime = !!neg_opt;
3464 /* no break, this falls through to 'M' for mtime */
3467 xtime = ¶m.fp_mtime;
3468 xsign = ¶m.fp_msign;
3469 param.fp_exclude_mtime = !!neg_opt;
3471 rc = set_time(&t, xtime, optarg);
3472 if (rc == INT_MAX) {
3479 case LFS_COMP_COUNT_OPT:
3480 if (optarg[0] == '+') {
3481 param.fp_comp_count_sign = -1;
3483 } else if (optarg[0] == '-') {
3484 param.fp_comp_count_sign = 1;
3488 param.fp_comp_count = strtoul(optarg, &endptr, 0);
3489 if (*endptr != '\0') {
3490 fprintf(stderr, "error: bad component count "
3494 param.fp_check_comp_count = 1;
3495 param.fp_exclude_comp_count = !!neg_opt;
3497 case LFS_COMP_FLAGS_OPT:
3498 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
3499 ¶m.fp_comp_neg_flags);
3501 fprintf(stderr, "error: bad component flags "
3505 param.fp_check_comp_flags = 1;
3507 __u32 flags = param.fp_comp_neg_flags;
3508 param.fp_comp_neg_flags = param.fp_comp_flags;
3509 param.fp_comp_flags = flags;
3512 case LFS_COMP_START_OPT:
3513 if (optarg[0] == '+') {
3514 param.fp_comp_start_sign = -1;
3516 } else if (optarg[0] == '-') {
3517 param.fp_comp_start_sign = 1;
3521 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
3522 ¶m.fp_comp_start_units, 0);
3524 fprintf(stderr, "error: bad component start "
3528 param.fp_check_comp_start = 1;
3529 param.fp_exclude_comp_start = !!neg_opt;
3531 case LFS_MIRROR_STATE_OPT:
3532 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
3533 ¶m.fp_mirror_neg_state);
3536 "error: bad mirrored file state '%s'\n",
3540 param.fp_check_mirror_state = 1;
3542 __u16 state = param.fp_mirror_neg_state;
3543 param.fp_mirror_neg_state =
3544 param.fp_mirror_state;
3545 param.fp_mirror_state = state;
3549 if (optarg[0] == '+') {
3550 param.fp_stripe_count_sign = -1;
3552 } else if (optarg[0] == '-') {
3553 param.fp_stripe_count_sign = 1;
3557 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
3558 if (*endptr != '\0') {
3559 fprintf(stderr,"error: bad stripe_count '%s'\n",
3564 param.fp_check_stripe_count = 1;
3565 param.fp_exclude_stripe_count = !!neg_opt;
3568 param.fp_max_depth = strtol(optarg, 0, 0);
3571 if (optarg[0] == '+') {
3572 param.fp_comp_end_sign = -1;
3574 } else if (optarg[0] == '-') {
3575 param.fp_comp_end_sign = 1;
3579 if (arg_is_eof(optarg)) {
3580 param.fp_comp_end = LUSTRE_EOF;
3581 param.fp_comp_end_units = 1;
3584 rc = llapi_parse_size(optarg,
3586 ¶m.fp_comp_end_units, 0);
3589 fprintf(stderr, "error: bad component end "
3593 param.fp_check_comp_end = 1;
3594 param.fp_exclude_comp_end = !!neg_opt;
3598 rc = name2gid(¶m.fp_gid, optarg);
3600 param.fp_gid = strtoul(optarg, &endptr, 10);
3601 if (*endptr != '\0') {
3602 fprintf(stderr, "Group/GID: %s cannot "
3603 "be found.\n", optarg);
3608 param.fp_exclude_gid = !!neg_opt;
3609 param.fp_check_gid = 1;
3612 param.fp_hash_type = check_hashtype(optarg);
3613 if (param.fp_hash_type == 0) {
3614 fprintf(stderr, "error: bad hash_type '%s'\n",
3619 param.fp_check_hash_type = 1;
3620 param.fp_exclude_hash_type = !!neg_opt;
3623 ret = name2layout(¶m.fp_layout, optarg);
3626 param.fp_exclude_layout = !!neg_opt;
3627 param.fp_check_layout = 1;
3631 rc = name2uid(¶m.fp_uid, optarg);
3633 param.fp_uid = strtoul(optarg, &endptr, 10);
3634 if (*endptr != '\0') {
3635 fprintf(stderr, "User/UID: %s cannot "
3636 "be found.\n", optarg);
3641 param.fp_exclude_uid = !!neg_opt;
3642 param.fp_check_uid = 1;
3645 param.fp_pattern = (char *)optarg;
3646 param.fp_exclude_pattern = !!neg_opt;
3649 if (optarg[0] == '+') {
3650 param.fp_mirror_count_sign = -1;
3652 } else if (optarg[0] == '-') {
3653 param.fp_mirror_count_sign = 1;
3657 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
3658 if (*endptr != '\0') {
3660 "error: bad mirror count '%s'\n",
3664 param.fp_check_mirror_count = 1;
3665 param.fp_exclude_mirror_count = !!neg_opt;
3670 char *buf, *token, *next, *p;
3674 buf = strdup(optarg);
3680 param.fp_exclude_obd = !!neg_opt;
3683 while (token && *token) {
3684 token = strchr(token, ',');
3691 param.fp_exclude_mdt = !!neg_opt;
3692 param.fp_num_alloc_mdts += len;
3693 tmp = realloc(param.fp_mdt_uuid,
3694 param.fp_num_alloc_mdts *
3695 sizeof(*param.fp_mdt_uuid));
3701 param.fp_mdt_uuid = tmp;
3703 param.fp_exclude_obd = !!neg_opt;
3704 param.fp_num_alloc_obds += len;
3705 tmp = realloc(param.fp_obd_uuid,
3706 param.fp_num_alloc_obds *
3707 sizeof(*param.fp_obd_uuid));
3713 param.fp_obd_uuid = tmp;
3715 for (token = buf; token && *token; token = next) {
3716 struct obd_uuid *puuid;
3719 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
3722 ¶m.fp_obd_uuid[param.fp_num_obds++];
3724 p = strchr(token, ',');
3731 if (strlen(token) > sizeof(puuid->uuid) - 1) {
3736 strncpy(puuid->uuid, token,
3737 sizeof(puuid->uuid));
3744 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
3748 if (strlen(optarg) > LOV_MAXPOOLNAME) {
3750 "Pool name %s is too long (max %d)\n",
3751 optarg, LOV_MAXPOOLNAME);
3756 * We do check for empty pool because empty pool
3757 * is used to find V1 LOV attributes
3759 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
3760 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
3761 param.fp_exclude_pool = !!neg_opt;
3762 param.fp_check_pool = 1;
3764 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
3765 case 'p': /* want this for --pool, to match getstripe/find */
3767 "warning: -p deprecated, use --print0 or -0\n");
3770 param.fp_zero_end = 1;
3772 case 'P': /* we always print, this option is a no-op */
3774 case LFS_PROJID_OPT:
3775 rc = name2projid(¶m.fp_projid, optarg);
3777 param.fp_projid = strtoul(optarg, &endptr, 10);
3778 if (*endptr != '\0') {
3780 "Invalid project ID: %s",
3786 param.fp_exclude_projid = !!neg_opt;
3787 param.fp_check_projid = 1;
3790 if (optarg[0] == '+') {
3791 param.fp_size_sign = -1;
3793 } else if (optarg[0] == '-') {
3794 param.fp_size_sign = 1;
3798 ret = llapi_parse_size(optarg, ¶m.fp_size,
3799 ¶m.fp_size_units, 0);
3801 fprintf(stderr, "error: bad file size '%s'\n",
3805 param.fp_check_size = 1;
3806 param.fp_exclude_size = !!neg_opt;
3809 if (optarg[0] == '+') {
3810 param.fp_stripe_size_sign = -1;
3812 } else if (optarg[0] == '-') {
3813 param.fp_stripe_size_sign = 1;
3817 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
3818 ¶m.fp_stripe_size_units, 0);
3820 fprintf(stderr, "error: bad stripe_size '%s'\n",
3824 param.fp_check_stripe_size = 1;
3825 param.fp_exclude_stripe_size = !!neg_opt;
3828 param.fp_exclude_type = !!neg_opt;
3829 switch (optarg[0]) {
3831 param.fp_type = S_IFBLK;
3834 param.fp_type = S_IFCHR;
3837 param.fp_type = S_IFDIR;
3840 param.fp_type = S_IFREG;
3843 param.fp_type = S_IFLNK;
3846 param.fp_type = S_IFIFO;
3849 param.fp_type = S_IFSOCK;
3852 fprintf(stderr, "error: %s: bad type '%s'\n",
3859 if (optarg[0] == '+') {
3860 param.fp_mdt_count_sign = -1;
3862 } else if (optarg[0] == '-') {
3863 param.fp_mdt_count_sign = 1;
3867 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
3868 if (*endptr != '\0') {
3869 fprintf(stderr, "error: bad mdt_count '%s'\n",
3874 param.fp_check_mdt_count = 1;
3875 param.fp_exclude_mdt_count = !!neg_opt;
3883 if (pathstart == -1) {
3884 fprintf(stderr, "error: %s: no filename|pathname\n",
3888 } else if (pathend == -1) {
3894 rc = llapi_find(argv[pathstart], ¶m);
3895 if (rc != 0 && ret == 0)
3897 } while (++pathstart < pathend);
3900 fprintf(stderr, "error: %s failed for %s.\n",
3901 argv[0], argv[optind - 1]);
3903 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
3904 free(param.fp_obd_uuid);
3906 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
3907 free(param.fp_mdt_uuid);
3912 static int lfs_getstripe_internal(int argc, char **argv,
3913 struct find_param *param)
3915 struct option long_opts[] = {
3916 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3917 { .val = LFS_COMP_COUNT_OPT,
3918 .name = "comp-count", .has_arg = no_argument },
3919 { .val = LFS_COMP_COUNT_OPT,
3920 .name = "component-count", .has_arg = no_argument },
3921 { .val = LFS_COMP_FLAGS_OPT,
3922 .name = "comp-flags", .has_arg = optional_argument },
3923 { .val = LFS_COMP_FLAGS_OPT,
3924 .name = "component-flags", .has_arg = optional_argument },
3925 { .val = LFS_COMP_START_OPT,
3926 .name = "comp-start", .has_arg = optional_argument },
3927 { .val = LFS_COMP_START_OPT,
3928 .name = "component-start", .has_arg = optional_argument },
3929 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
3930 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
3931 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
3932 { .val = 'd', .name = "directory", .has_arg = no_argument },
3933 { .val = 'D', .name = "default", .has_arg = no_argument },
3934 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
3935 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
3936 { .val = 'F', .name = "fid", .has_arg = no_argument },
3937 { .val = 'g', .name = "generation", .has_arg = no_argument },
3938 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3939 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
3940 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
3941 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
3942 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
3943 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
3944 { .val = 'L', .name = "layout", .has_arg = no_argument },
3945 { .val = 'm', .name = "mdt", .has_arg = no_argument },
3946 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
3947 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
3948 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
3949 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
3950 { .val = 'O', .name = "obd", .has_arg = required_argument },
3951 { .val = 'O', .name = "ost", .has_arg = required_argument },
3952 { .val = 'p', .name = "pool", .has_arg = no_argument },
3953 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3954 { .val = 'q', .name = "quiet", .has_arg = no_argument },
3955 { .val = 'r', .name = "recursive", .has_arg = no_argument },
3956 { .val = 'R', .name = "raw", .has_arg = no_argument },
3957 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
3958 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
3959 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3960 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3961 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3962 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3963 { .val = 'v', .name = "verbose", .has_arg = no_argument },
3964 { .val = 'y', .name = "yaml", .has_arg = no_argument },
3969 while ((c = getopt_long(argc, argv, "cdDE::FghiI::LmMoO:pqrRsSvy",
3970 long_opts, NULL)) != -1) {
3973 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
3974 param->fp_verbose |= VERBOSE_COUNT;
3975 param->fp_max_depth = 0;
3978 case LFS_COMP_COUNT_OPT:
3979 param->fp_verbose |= VERBOSE_COMP_COUNT;
3980 param->fp_max_depth = 0;
3982 case LFS_COMP_FLAGS_OPT:
3983 if (optarg != NULL) {
3984 rc = comp_str2flags(optarg,
3985 ¶m->fp_comp_flags,
3986 ¶m->fp_comp_neg_flags);
3988 fprintf(stderr, "error: %s bad "
3989 "component flags '%s'.\n",
3993 param->fp_check_comp_flags = 1;
3995 param->fp_verbose |= VERBOSE_COMP_FLAGS;
3996 param->fp_max_depth = 0;
3999 case LFS_COMP_START_OPT:
4000 if (optarg != NULL) {
4002 if (tmp[0] == '+') {
4003 param->fp_comp_start_sign = -1;
4005 } else if (tmp[0] == '-') {
4006 param->fp_comp_start_sign = 1;
4009 rc = llapi_parse_size(tmp,
4010 ¶m->fp_comp_start,
4011 ¶m->fp_comp_start_units, 0);
4013 fprintf(stderr, "error: %s bad "
4014 "component start '%s'.\n",
4018 param->fp_check_comp_start = 1;
4021 param->fp_verbose |= VERBOSE_COMP_START;
4022 param->fp_max_depth = 0;
4026 param->fp_max_depth = 0;
4029 param->fp_get_default_lmv = 1;
4032 if (optarg != NULL) {
4034 if (tmp[0] == '+') {
4035 param->fp_comp_end_sign = -1;
4037 } else if (tmp[0] == '-') {
4038 param->fp_comp_end_sign = 1;
4042 if (arg_is_eof(tmp)) {
4043 param->fp_comp_end = LUSTRE_EOF;
4044 param->fp_comp_end_units = 1;
4047 rc = llapi_parse_size(tmp,
4048 ¶m->fp_comp_end,
4049 ¶m->fp_comp_end_units, 0);
4052 fprintf(stderr, "error: %s bad "
4053 "component end '%s'.\n",
4057 param->fp_check_comp_end = 1;
4059 param->fp_verbose |= VERBOSE_COMP_END;
4060 param->fp_max_depth = 0;
4064 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4065 param->fp_verbose |= VERBOSE_DFID;
4066 param->fp_max_depth = 0;
4070 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4071 param->fp_verbose |= VERBOSE_GENERATION;
4072 param->fp_max_depth = 0;
4076 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4077 param->fp_verbose |= VERBOSE_OFFSET;
4078 param->fp_max_depth = 0;
4082 if (optarg != NULL) {
4083 param->fp_comp_id = strtoul(optarg, &end, 0);
4084 if (*end != '\0' || param->fp_comp_id == 0 ||
4085 param->fp_comp_id > LCME_ID_MAX) {
4086 fprintf(stderr, "error: %s bad "
4087 "component id '%s'\n",
4091 param->fp_check_comp_id = 1;
4094 param->fp_max_depth = 0;
4095 param->fp_verbose |= VERBOSE_COMP_ID;
4099 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4100 param->fp_verbose |= VERBOSE_LAYOUT;
4101 param->fp_max_depth = 0;
4104 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4106 fprintf(stderr, "warning: '-M' deprecated"
4107 ", use '--mdt-index' or '-m' instead\n");
4110 if (!(param->fp_verbose & VERBOSE_DETAIL))
4111 param->fp_max_depth = 0;
4112 param->fp_verbose |= VERBOSE_MDTINDEX;
4115 if (param->fp_obd_uuid) {
4117 "error: %s: only one obduuid allowed",
4121 param->fp_obd_uuid = (struct obd_uuid *)optarg;
4124 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4125 param->fp_verbose |= VERBOSE_POOL;
4126 param->fp_max_depth = 0;
4133 param->fp_recursive = 1;
4139 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4140 param->fp_verbose |= VERBOSE_SIZE;
4141 param->fp_max_depth = 0;
4145 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
4158 if (param->fp_recursive)
4159 param->fp_max_depth = -1;
4160 else if (param->fp_verbose & VERBOSE_DETAIL)
4161 param->fp_max_depth = 1;
4163 if (!param->fp_verbose)
4164 param->fp_verbose = VERBOSE_DEFAULT;
4165 if (param->fp_quiet)
4166 param->fp_verbose = VERBOSE_OBJID;
4169 rc = llapi_getstripe(argv[optind], param);
4170 } while (++optind < argc && !rc);
4173 fprintf(stderr, "error: %s failed for %s.\n",
4174 argv[0], argv[optind - 1]);
4178 static int lfs_tgts(int argc, char **argv)
4180 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
4181 struct find_param param;
4182 int index = 0, rc=0;
4187 if (argc == 2 && !realpath(argv[1], path)) {
4189 fprintf(stderr, "error: invalid path '%s': %s\n",
4190 argv[1], strerror(-rc));
4194 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
4195 /* Check if we have a mount point */
4196 if (mntdir[0] == '\0')
4199 memset(¶m, 0, sizeof(param));
4200 if (!strcmp(argv[0], "mdts"))
4201 param.fp_get_lmv = 1;
4203 rc = llapi_ostlist(mntdir, ¶m);
4205 fprintf(stderr, "error: %s: failed on %s\n",
4208 if (path[0] != '\0')
4210 memset(mntdir, 0, PATH_MAX);
4216 static int lfs_getstripe(int argc, char **argv)
4218 struct find_param param = { 0 };
4220 param.fp_max_depth = 1;
4221 return lfs_getstripe_internal(argc, argv, ¶m);
4225 static int lfs_getdirstripe(int argc, char **argv)
4227 struct find_param param = { 0 };
4228 struct option long_opts[] = {
4229 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
4230 { .val = 'D', .name = "default", .has_arg = no_argument },
4231 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
4232 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
4233 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4234 { .val = 'O', .name = "obd", .has_arg = required_argument },
4235 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4236 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
4237 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4241 param.fp_get_lmv = 1;
4243 while ((c = getopt_long(argc, argv,
4244 "cDHimO:rtTy", long_opts, NULL)) != -1)
4249 param.fp_verbose |= VERBOSE_COUNT;
4252 param.fp_get_default_lmv = 1;
4256 param.fp_verbose |= VERBOSE_OFFSET;
4258 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4260 fprintf(stderr, "warning: '-t' deprecated, "
4261 "use '--mdt-hash' or '-H' instead\n");
4264 param.fp_verbose |= VERBOSE_HASH_TYPE;
4267 if (param.fp_obd_uuid) {
4269 "error: %s: only one obduuid allowed",
4273 param.fp_obd_uuid = (struct obd_uuid *)optarg;
4276 param.fp_recursive = 1;
4289 if (param.fp_recursive)
4290 param.fp_max_depth = -1;
4292 if (!param.fp_verbose)
4293 param.fp_verbose = VERBOSE_DEFAULT;
4296 rc = llapi_getstripe(argv[optind], ¶m);
4297 } while (++optind < argc && !rc);
4300 fprintf(stderr, "error: %s failed for %s.\n",
4301 argv[0], argv[optind - 1]);
4306 MNTDF_INODES = 0x0001,
4307 MNTDF_COOKED = 0x0002,
4308 MNTDF_LAZY = 0x0004,
4309 MNTDF_VERBOSE = 0x0008,
4310 MNTDF_SHOW = 0x0010,
4313 #define COOK(value) \
4316 while (value > 1024) { \
4324 #define CDF "%11llu"
4325 #define HDF "%8.1f%c"
4329 static inline int obd_statfs_ratio(const struct obd_statfs *st)
4331 double avail, used, ratio = 0;
4333 avail = st->os_bavail;
4334 used = st->os_blocks - st->os_bfree;
4335 if (avail + used > 0)
4336 ratio = used / (used + avail) * 100 + 0.5;
4341 static int showdf(char *mntdir, struct obd_statfs *stat,
4342 char *uuid, enum mntdf_flags flags,
4343 char *type, int index, int rc)
4345 long long avail, used, total;
4347 char *suffix = "KMGTPEZY";
4348 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
4349 char tbuf[3 * sizeof(__u64)];
4350 char ubuf[3 * sizeof(__u64)];
4351 char abuf[3 * sizeof(__u64)];
4352 char rbuf[3 * sizeof(__u64)];
4359 if (flags & MNTDF_INODES) {
4360 avail = stat->os_ffree;
4361 used = stat->os_files - stat->os_ffree;
4362 total = stat->os_files;
4364 int shift = flags & MNTDF_COOKED ? 0 : 10;
4366 avail = (stat->os_bavail * stat->os_bsize) >> shift;
4367 used = ((stat->os_blocks - stat->os_bfree) *
4368 stat->os_bsize) >> shift;
4369 total = (stat->os_blocks * stat->os_bsize) >> shift;
4372 ratio = obd_statfs_ratio(stat);
4374 if (flags & MNTDF_COOKED) {
4378 cook_val = (double)total;
4381 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
4384 snprintf(tbuf, sizeof(tbuf), CDF, total);
4386 cook_val = (double)used;
4389 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
4392 snprintf(ubuf, sizeof(ubuf), CDF, used);
4394 cook_val = (double)avail;
4397 snprintf(abuf, sizeof(abuf), HDF, cook_val,
4400 snprintf(abuf, sizeof(abuf), CDF, avail);
4402 snprintf(tbuf, sizeof(tbuf), CDF, total);
4403 snprintf(ubuf, sizeof(tbuf), CDF, used);
4404 snprintf(abuf, sizeof(tbuf), CDF, avail);
4407 sprintf(rbuf, RDF, ratio);
4408 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
4409 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
4411 printf("[%s:%d]", type, index);
4413 if (stat->os_state) {
4415 * Each character represents the matching
4418 const char state_names[] = "DRSI";
4423 for (i = 0, state = stat->os_state;
4424 state && i < sizeof(state_names); i++) {
4425 if (!(state & (1 << i)))
4427 printf("%c", state_names[i]);
4435 printf(UUF": inactive device\n", uuid);
4438 printf(UUF": %s\n", uuid, strerror(-rc));
4445 struct ll_stat_type {
4450 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
4452 struct ll_statfs_data {
4454 struct obd_statfs sd_st;
4457 struct ll_statfs_buf {
4459 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
4462 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
4463 int ops, struct ll_statfs_buf *lsb)
4465 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
4466 struct obd_uuid uuid_buf;
4467 char *poolname = NULL;
4468 struct ll_stat_type types[] = {
4469 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
4470 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
4471 { .st_name = NULL } };
4472 struct ll_stat_type *tp;
4473 __u64 ost_ffree = 0;
4481 poolname = strchr(pool, '.');
4482 if (poolname != NULL) {
4483 if (strncmp(fsname, pool, strlen(fsname))) {
4484 fprintf(stderr, "filesystem name incorrect\n");
4492 fd = open(mntdir, O_RDONLY);
4495 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
4500 if (flags & MNTDF_SHOW) {
4501 if (flags & MNTDF_INODES)
4502 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4503 "UUID", "Inodes", "IUsed", "IFree",
4504 "IUse%", "Mounted on");
4506 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4508 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
4509 "Used", "Available", "Use%", "Mounted on");
4512 for (tp = types; tp->st_name != NULL; tp++) {
4513 if (!(tp->st_op & ops))
4516 for (index = 0; ; index++) {
4517 memset(&stat_buf, 0, sizeof(struct obd_statfs));
4518 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
4519 type = flags & MNTDF_LAZY ?
4520 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
4521 rc2 = llapi_obd_fstatfs(fd, type, index,
4522 &stat_buf, &uuid_buf);
4527 if (rc2 == -ENODATA) { /* Inactive device, OK. */
4528 if (!(flags & MNTDF_VERBOSE))
4530 } else if (rc2 < 0 && rc == 0) {
4534 if (poolname && tp->st_op == LL_STATFS_LOV &&
4535 llapi_search_ost(fsname, poolname,
4536 obd_uuid2str(&uuid_buf)) != 1)
4539 /* the llapi_obd_statfs() call may have returned with
4540 * an error, but if it filled in uuid_buf we will at
4541 * lease use that to print out a message for that OBD.
4542 * If we didn't get anything in the uuid_buf, then fill
4543 * it in so that we can print an error message. */
4544 if (uuid_buf.uuid[0] == '\0')
4545 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
4546 "%s%04x", tp->st_name, index);
4548 lsb->sb_buf[lsb->sb_count].sd_index = index;
4549 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
4552 if (flags & MNTDF_SHOW)
4553 showdf(mntdir, &stat_buf,
4554 obd_uuid2str(&uuid_buf), flags,
4555 tp->st_name, index, rc2);
4558 if (tp->st_op == LL_STATFS_LMV) {
4559 sum.os_ffree += stat_buf.os_ffree;
4560 sum.os_files += stat_buf.os_files;
4561 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
4562 sum.os_blocks += stat_buf.os_blocks *
4564 sum.os_bfree += stat_buf.os_bfree *
4566 sum.os_bavail += stat_buf.os_bavail *
4568 ost_ffree += stat_buf.os_ffree;
4576 /* If we don't have as many objects free on the OST as inodes
4577 * on the MDS, we reduce the total number of inodes to
4578 * compensate, so that the "inodes in use" number is correct.
4579 * Matches ll_statfs_internal() so the results are consistent. */
4580 if (ost_ffree < sum.os_ffree) {
4581 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
4582 sum.os_ffree = ost_ffree;
4584 if (flags & MNTDF_SHOW) {
4586 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
4593 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
4595 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
4597 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
4599 int r1 = obd_statfs_ratio(st1);
4600 int r2 = obd_statfs_ratio(st2);
4601 int64_t result = r1 - r2;
4603 /* if both space usage are above 90, compare free inodes */
4604 if (r1 > 90 && r2 > 90)
4605 result = st2->os_ffree - st1->os_ffree;
4609 else if (result == 0)
4616 static int lfs_setdirstripe(int argc, char **argv)
4620 struct lfs_setstripe_args lsa = { 0 };
4621 struct llapi_stripe_param *param = NULL;
4622 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
4625 char *mode_opt = NULL;
4626 bool default_stripe = false;
4627 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
4628 mode_t previous_mode = 0;
4629 bool delete = false;
4630 struct ll_statfs_buf *lsb = NULL;
4631 char mntdir[PATH_MAX] = "";
4632 bool auto_distributed = false;
4634 struct option long_opts[] = {
4635 { .val = 'c', .name = "count", .has_arg = required_argument },
4636 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
4637 { .val = 'd', .name = "delete", .has_arg = no_argument },
4638 { .val = 'D', .name = "default", .has_arg = no_argument },
4639 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
4640 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4641 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
4642 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4643 { .val = 'i', .name = "index", .has_arg = required_argument },
4645 { .val = 'o', .name = "mode", .has_arg = required_argument },
4646 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4647 { .val = 't', .name = "hash-type", .has_arg = required_argument },
4649 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4650 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4653 setstripe_args_init(&lsa);
4655 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:", long_opts,
4663 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
4666 "%s %s: invalid stripe count '%s'\n",
4667 progname, argv[0], optarg);
4673 default_stripe = true;
4676 default_stripe = true;
4678 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4680 fprintf(stderr, "warning: '--hash-type' and '-t' "
4681 "deprecated, use '--mdt-hash' or '-H' instead\n");
4684 lsa.lsa_pattern = check_hashtype(optarg);
4685 if (lsa.lsa_pattern == 0) {
4687 "%s %s: bad stripe hash type '%s'\n",
4688 progname, argv[0], optarg);
4693 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4694 if (strcmp(argv[optind - 1], "--index") == 0)
4696 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
4699 lsa.lsa_nr_tgts = parse_targets(mdts,
4700 sizeof(mdts) / sizeof(__u32),
4701 lsa.lsa_nr_tgts, optarg);
4702 if (lsa.lsa_nr_tgts < 0) {
4704 "%s %s: invalid MDT target(s) '%s'\n",
4705 progname, argv[0], optarg);
4709 lsa.lsa_tgts = mdts;
4710 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
4711 lsa.lsa_stripe_off = mdts[0];
4713 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
4715 fprintf(stderr, "warning: '-m' is deprecated, "
4716 "use '--mode' or '-o' instead\n");
4722 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
4723 progname, argv[0], argv[optind - 1]);
4728 if (optind == argc) {
4729 fprintf(stderr, "%s %s: DIR must be specified\n",
4734 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
4735 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT) {
4737 "%s %s: stripe offset and count must be specified\n",
4743 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
4744 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
4746 "%s %s: cannot specify -d with -c or -i options\n",
4751 if (mode_opt != NULL) {
4752 mode = strtoul(mode_opt, &end, 8);
4755 "%s %s: bad MODE '%s'\n",
4756 progname, argv[0], mode_opt);
4759 previous_mode = umask(0);
4763 * initialize stripe parameters, in case param is converted to specific,
4764 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
4766 param = calloc(1, offsetof(typeof(*param),
4767 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
4768 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
4769 if (param == NULL) {
4771 "%s %s: cannot allocate memory for parameters: %s\n",
4772 progname, argv[0], strerror(ENOMEM));
4776 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
4777 param->lsp_stripe_count = lsa.lsa_stripe_count;
4778 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
4779 param->lsp_stripe_offset = -1;
4781 param->lsp_stripe_offset = lsa.lsa_stripe_off;
4782 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
4783 param->lsp_stripe_pattern = lsa.lsa_pattern;
4785 param->lsp_stripe_pattern = LMV_HASH_TYPE_FNV_1A_64;
4786 param->lsp_pool = lsa.lsa_pool_name;
4787 param->lsp_is_specific = false;
4788 if (lsa.lsa_nr_tgts > 1) {
4789 if (lsa.lsa_stripe_count > 0 &&
4790 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
4791 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
4792 fprintf(stderr, "error: %s: stripe count %lld doesn't "
4793 "match the number of MDTs: %d\n",
4794 argv[0], lsa.lsa_stripe_count, lsa.lsa_nr_tgts);
4799 param->lsp_is_specific = true;
4800 param->lsp_stripe_count = lsa.lsa_nr_tgts;
4801 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
4804 dname = argv[optind];
4806 if (default_stripe) {
4807 result = llapi_dir_set_default_lmv(dname, param);
4809 /* if current \a dname isn't under the same \a mntdir
4810 * as the last one, and the last one was
4811 * auto-distributed, restore \a param.
4813 if (mntdir[0] != '\0' &&
4814 strncmp(dname, mntdir, strlen(mntdir)) &&
4816 param->lsp_is_specific = false;
4817 param->lsp_stripe_offset = -1;
4818 auto_distributed = false;
4821 if (!param->lsp_is_specific &&
4822 param->lsp_stripe_offset == -1) {
4823 char path[PATH_MAX] = "";
4826 lsb = malloc(sizeof(*lsb));
4834 /* use mntdir for dirname() temporarily */
4835 strncpy(mntdir, dname, sizeof(mntdir));
4836 if (!realpath(dirname(mntdir), path)) {
4839 "error: invalid path '%s': %s\n",
4840 argv[optind], strerror(errno));
4845 result = llapi_search_mounts(path, 0, mntdir,
4847 if (result < 0 || mntdir[0] == '\0') {
4849 "No suitable Lustre mount found\n");
4853 result = mntdf(mntdir, NULL, NULL, 0,
4854 LL_STATFS_LMV, lsb);
4858 if (param->lsp_stripe_count > lsb->sb_count) {
4860 "error: stripe count %d is too big\n",
4861 param->lsp_stripe_count);
4866 qsort(lsb->sb_buf, lsb->sb_count,
4867 sizeof(struct ll_statfs_data),
4868 ll_statfs_data_comp);
4870 auto_distributed = true;
4873 if (auto_distributed) {
4875 int nr = MAX(param->lsp_stripe_count,
4878 /* don't use server whose usage is above 90% */
4879 while (nr != param->lsp_stripe_count &&
4880 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st)
4882 nr = MAX(param->lsp_stripe_count,
4885 /* get \a r between [0, nr) */
4888 param->lsp_stripe_offset =
4889 lsb->sb_buf[r].sd_index;
4890 if (param->lsp_stripe_count > 1) {
4893 param->lsp_is_specific = true;
4894 for (; i < param->lsp_stripe_count; i++)
4895 param->lsp_tgts[(i + r) % nr] =
4896 lsb->sb_buf[i].sd_index;
4900 result = llapi_dir_create(dname, mode, param);
4905 "%s setdirstripe: cannot create stripe dir '%s': %s\n",
4906 progname, dname, strerror(-result));
4909 dname = argv[++optind];
4910 } while (dname != NULL);
4912 if (mode_opt != NULL)
4913 umask(previous_mode);
4921 static int lfs_rmentry(int argc, char **argv)
4928 fprintf(stderr, "error: %s: missing dirname\n",
4934 dname = argv[index];
4935 while (dname != NULL) {
4936 result = llapi_direntry_remove(dname);
4938 fprintf(stderr, "error: %s: remove dir entry '%s' "
4939 "failed\n", argv[0], dname);
4942 dname = argv[++index];
4947 static int lfs_mv(int argc, char **argv)
4949 struct find_param param = {
4956 struct option long_opts[] = {
4957 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4958 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4961 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
4963 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4965 fprintf(stderr, "warning: '-M' deprecated"
4966 ", use '--mdt-index' or '-m' instead\n");
4969 param.fp_mdt_index = strtoul(optarg, &end, 0);
4971 fprintf(stderr, "%s: invalid MDT index'%s'\n",
4977 param.fp_verbose = VERBOSE_DETAIL;
4980 fprintf(stderr, "error: %s: unrecognized option '%s'\n",
4981 argv[0], argv[optind - 1]);
4986 if (param.fp_mdt_index == -1) {
4987 fprintf(stderr, "%s: MDT index must be specified\n", argv[0]);
4991 if (optind >= argc) {
4992 fprintf(stderr, "%s: missing operand path\n", argv[0]);
4996 param.fp_migrate = 1;
4997 rc = llapi_migrate_mdt(argv[optind], ¶m);
4999 fprintf(stderr, "%s: cannot migrate '%s' to MDT%04x: %s\n",
5000 argv[0], argv[optind], param.fp_mdt_index,
5005 static int lfs_osts(int argc, char **argv)
5007 return lfs_tgts(argc, argv);
5010 static int lfs_mdts(int argc, char **argv)
5012 return lfs_tgts(argc, argv);
5015 static int lfs_df(int argc, char **argv)
5017 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5018 enum mntdf_flags flags = MNTDF_SHOW;
5019 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
5020 int c, rc = 0, index = 0;
5021 char fsname[PATH_MAX] = "", *pool_name = NULL;
5022 struct option long_opts[] = {
5023 { .val = 'h', .name = "human-readable",
5024 .has_arg = no_argument },
5025 { .val = 'i', .name = "inodes", .has_arg = no_argument },
5026 { .val = 'l', .name = "lazy", .has_arg = no_argument },
5027 { .val = 'p', .name = "pool", .has_arg = required_argument },
5028 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5031 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
5034 flags |= MNTDF_COOKED;
5037 flags |= MNTDF_INODES;
5040 flags |= MNTDF_LAZY;
5046 flags |= MNTDF_VERBOSE;
5052 if (optind < argc && !realpath(argv[optind], path)) {
5054 fprintf(stderr, "error: invalid path '%s': %s\n",
5055 argv[optind], strerror(-rc));
5059 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5060 /* Check if we have a mount point */
5061 if (mntdir[0] == '\0')
5064 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
5065 if (rc || path[0] != '\0')
5067 fsname[0] = '\0'; /* avoid matching in next loop */
5068 mntdir[0] = '\0'; /* avoid matching in next loop */
5074 static int lfs_getname(int argc, char **argv)
5076 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
5077 int rc = 0, index = 0, c;
5078 char buf[sizeof(struct obd_uuid)];
5080 while ((c = getopt(argc, argv, "h")) != -1)
5083 if (optind == argc) { /* no paths specified, get all paths. */
5084 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5085 rc = llapi_getname(mntdir, buf, sizeof(buf));
5088 "cannot get name for `%s': %s\n",
5089 mntdir, strerror(-rc));
5093 printf("%s %s\n", buf, mntdir);
5095 path[0] = fsname[0] = mntdir[0] = 0;
5097 } else { /* paths specified, only attempt to search these. */
5098 for (; optind < argc; optind++) {
5099 rc = llapi_getname(argv[optind], buf, sizeof(buf));
5102 "cannot get name for `%s': %s\n",
5103 argv[optind], strerror(-rc));
5107 printf("%s %s\n", buf, argv[optind]);
5113 static int lfs_check(int argc, char **argv)
5116 char mntdir[PATH_MAX] = {'\0'};
5123 fprintf(stderr, "%s check: server type must be specified\n",
5128 obd_types[0] = obd_type1;
5129 obd_types[1] = obd_type2;
5131 if (strcmp(argv[1], "osts") == 0) {
5132 strcpy(obd_types[0], "osc");
5133 } else if (strcmp(argv[1], "mds") == 0) {
5134 strcpy(obd_types[0], "mdc");
5135 } else if (strcmp(argv[1], "servers") == 0) {
5137 strcpy(obd_types[0], "osc");
5138 strcpy(obd_types[1], "mdc");
5140 fprintf(stderr, "%s check: unrecognized option '%s'\n",
5145 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
5146 if (rc < 0 || mntdir[0] == '\0') {
5148 "%s check: cannot find mounted Lustre filesystem: %s\n",
5149 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
5153 rc = llapi_target_check(num_types, obd_types, mntdir);
5155 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
5156 progname, argv[1], strerror(-rc));
5162 #ifdef HAVE_SYS_QUOTA_H
5163 #define ARG2INT(nr, str, msg) \
5166 nr = strtol(str, &endp, 0); \
5167 if (*endp != '\0') { \
5168 fprintf(stderr, "%s: bad %s '%s'\n", \
5169 progname, msg, str); \
5174 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
5176 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
5177 * returns the value or ULONG_MAX on integer overflow or incorrect format
5179 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
5180 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
5181 * 3. empty integer value is interpreted as 0
5183 static unsigned long str2sec(const char* timestr)
5185 const char spec[] = "smhdw";
5186 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
5187 unsigned long val = 0;
5190 if (strpbrk(timestr, spec) == NULL) {
5191 /* no specifiers inside the time string,
5192 should treat it as an integer value */
5193 val = strtoul(timestr, &tail, 10);
5194 return *tail ? ULONG_MAX : val;
5197 /* format string is XXwXXdXXhXXmXXs */
5203 v = strtoul(timestr, &tail, 10);
5204 if (v == ULONG_MAX || *tail == '\0')
5205 /* value too large (ULONG_MAX or more)
5206 or missing specifier */
5209 ptr = strchr(spec, *tail);
5211 /* unknown specifier */
5216 /* check if product will overflow the type */
5217 if (!(v < ULONG_MAX / mult[ind]))
5220 ADD_OVERFLOW(val, mult[ind] * v);
5221 if (val == ULONG_MAX)
5233 #define ARG2ULL(nr, str, def_units) \
5235 unsigned long long limit, units = def_units; \
5238 rc = llapi_parse_size(str, &limit, &units, 1); \
5240 fprintf(stderr, "%s: invalid limit '%s'\n", \
5247 static inline int has_times_option(int argc, char **argv)
5251 for (i = 1; i < argc; i++)
5252 if (!strcmp(argv[i], "-t"))
5258 int lfs_setquota_times(int argc, char **argv)
5261 struct if_quotactl qctl;
5262 char *mnt, *obd_type = (char *)qctl.obd_type;
5263 struct obd_dqblk *dqb = &qctl.qc_dqblk;
5264 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
5265 struct option long_opts[] = {
5266 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
5267 { .val = 'g', .name = "group", .has_arg = no_argument },
5268 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
5269 { .val = 'p', .name = "projid", .has_arg = no_argument },
5270 { .val = 't', .name = "times", .has_arg = no_argument },
5271 { .val = 'u', .name = "user", .has_arg = no_argument },
5275 memset(&qctl, 0, sizeof(qctl));
5276 qctl.qc_cmd = LUSTRE_Q_SETINFO;
5277 qctl.qc_type = ALLQUOTA;
5279 while ((c = getopt_long(argc, argv, "b:gi:ptu",
5280 long_opts, NULL)) != -1) {
5291 if (qctl.qc_type != ALLQUOTA) {
5292 fprintf(stderr, "error: -u/g/p can't be used "
5293 "more than once\n");
5296 qctl.qc_type = qtype;
5299 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
5300 fprintf(stderr, "error: bad block-grace: %s\n",
5304 dqb->dqb_valid |= QIF_BTIME;
5307 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
5308 fprintf(stderr, "error: bad inode-grace: %s\n",
5312 dqb->dqb_valid |= QIF_ITIME;
5314 case 't': /* Yes, of course! */
5316 default: /* getopt prints error message for us when opterr != 0 */
5321 if (qctl.qc_type == ALLQUOTA) {
5322 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
5326 if (optind != argc - 1) {
5327 fprintf(stderr, "error: unexpected parameters encountered\n");
5332 rc = llapi_quotactl(mnt, &qctl);
5335 fprintf(stderr, "%s %s ", obd_type,
5336 obd_uuid2str(&qctl.obd_uuid));
5337 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
5344 #define BSLIMIT (1 << 0)
5345 #define BHLIMIT (1 << 1)
5346 #define ISLIMIT (1 << 2)
5347 #define IHLIMIT (1 << 3)
5349 int lfs_setquota(int argc, char **argv)
5352 struct if_quotactl qctl;
5353 char *mnt, *obd_type = (char *)qctl.obd_type;
5354 struct obd_dqblk *dqb = &qctl.qc_dqblk;
5355 struct option long_opts[] = {
5356 { .val = 'b', .name = "block-softlimit",
5357 .has_arg = required_argument },
5358 { .val = 'B', .name = "block-hardlimit",
5359 .has_arg = required_argument },
5360 { .val = 'g', .name = "group", .has_arg = required_argument },
5361 { .val = 'i', .name = "inode-softlimit",
5362 .has_arg = required_argument },
5363 { .val = 'I', .name = "inode-hardlimit",
5364 .has_arg = required_argument },
5365 { .val = 'p', .name = "projid", .has_arg = required_argument },
5366 { .val = 'u', .name = "user", .has_arg = required_argument },
5368 unsigned limit_mask = 0;
5372 if (has_times_option(argc, argv))
5373 return lfs_setquota_times(argc, argv);
5375 memset(&qctl, 0, sizeof(qctl));
5376 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
5377 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
5378 * so it can be used as a marker that qc_type
5379 * isn't reinitialized from command line */
5381 while ((c = getopt_long(argc, argv, "b:B:g:i:I:p:u:",
5382 long_opts, NULL)) != -1) {
5386 rc = name2uid(&qctl.qc_id, optarg);
5390 rc = name2gid(&qctl.qc_id, optarg);
5394 rc = name2projid(&qctl.qc_id, optarg);
5396 if (qctl.qc_type != ALLQUOTA) {
5398 "%s setquota: only one of -u, -g or -p may be specified\n",
5402 qctl.qc_type = qtype;
5404 qctl.qc_id = strtoul(optarg, &endptr, 10);
5405 if (*endptr != '\0') {
5407 "%s setquota: invalid id '%s'\n",
5414 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
5415 dqb->dqb_bsoftlimit >>= 10;
5416 limit_mask |= BSLIMIT;
5417 if (dqb->dqb_bsoftlimit &&
5418 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
5420 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
5421 "See '%s help setquota' or Lustre manual for details\n",
5422 progname, dqb->dqb_bsoftlimit,
5426 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
5427 dqb->dqb_bhardlimit >>= 10;
5428 limit_mask |= BHLIMIT;
5429 if (dqb->dqb_bhardlimit &&
5430 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
5432 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
5433 "See '%s help setquota' or Lustre manual for details\n",
5434 progname, dqb->dqb_bhardlimit,
5438 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
5439 limit_mask |= ISLIMIT;
5440 if (dqb->dqb_isoftlimit &&
5441 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
5443 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
5444 "See '%s help setquota' or Lustre manual for details\n",
5445 progname, dqb->dqb_isoftlimit,
5449 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
5450 limit_mask |= IHLIMIT;
5451 if (dqb->dqb_ihardlimit &&
5452 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
5454 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
5455 "See '%s help setquota' or Lustre manual for details\n",
5456 progname, dqb->dqb_ihardlimit,
5461 "%s setquota: unrecognized option '%s'\n",
5462 progname, argv[optind - 1]);
5467 if (qctl.qc_type == ALLQUOTA) {
5469 "%s setquota: either -u or -g must be specified\n",
5474 if (limit_mask == 0) {
5476 "%s setquota: at least one limit must be specified\n",
5481 if (optind != argc - 1) {
5483 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
5484 progname, argv[optind]);
5490 if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
5491 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
5492 /* sigh, we can't just set blimits/ilimits */
5493 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
5494 .qc_type = qctl.qc_type,
5495 .qc_id = qctl.qc_id};
5497 rc = llapi_quotactl(mnt, &tmp_qctl);
5501 if (!(limit_mask & BHLIMIT))
5502 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
5503 if (!(limit_mask & BSLIMIT))
5504 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
5505 if (!(limit_mask & IHLIMIT))
5506 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
5507 if (!(limit_mask & ISLIMIT))
5508 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
5510 /* Keep grace times if we have got no softlimit arguments */
5511 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
5512 dqb->dqb_valid |= QIF_BTIME;
5513 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
5516 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
5517 dqb->dqb_valid |= QIF_ITIME;
5518 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
5522 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
5523 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
5525 rc = llapi_quotactl(mnt, &qctl);
5529 "%s setquota: cannot quotactl '%s' '%s': %s",
5531 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
5538 /* Converts seconds value into format string
5539 * result is returned in buf
5541 * 1. result is in descenting order: 1w2d3h4m5s
5542 * 2. zero fields are not filled (except for p. 3): 5d1s
5543 * 3. zero seconds value is presented as "0s"
5545 static char * __sec2str(time_t seconds, char *buf)
5547 const char spec[] = "smhdw";
5548 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
5553 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
5554 c = seconds / mult[i];
5556 if (c > 0 || (i == 0 && buf == tail))
5557 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
5565 static void sec2str(time_t seconds, char *buf, int rc)
5572 tail = __sec2str(seconds, tail);
5574 if (rc && tail - buf < 39) {
5580 static void diff2str(time_t seconds, char *buf, time_t now)
5586 if (seconds <= now) {
5587 strcpy(buf, "none");
5590 __sec2str(seconds - now, buf);
5593 static void print_quota_title(char *name, struct if_quotactl *qctl,
5594 bool human_readable)
5596 printf("Disk quotas for %s %s (%cid %u):\n",
5597 qtype_name(qctl->qc_type), name,
5598 *qtype_name(qctl->qc_type), qctl->qc_id);
5599 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
5600 "Filesystem", human_readable ? "used" : "kbytes",
5601 "quota", "limit", "grace",
5602 "files", "quota", "limit", "grace");
5605 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
5608 snprintf(buf, buflen, "%ju", (uintmax_t)num);
5611 snprintf(buf, buflen, "%5.4gP",
5612 (double)num / ((__u64)1 << 40));
5614 snprintf(buf, buflen, "%5.4gT",
5615 (double)num / (1 << 30));
5617 snprintf(buf, buflen, "%5.4gG",
5618 (double)num / (1 << 20));
5620 snprintf(buf, buflen, "%5.4gM",
5621 (double)num / (1 << 10));
5623 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
5627 #define STRBUF_LEN 32
5628 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
5635 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA) {
5636 int bover = 0, iover = 0;
5637 struct obd_dqblk *dqb = &qctl->qc_dqblk;
5638 char numbuf[3][STRBUF_LEN];
5640 char strbuf[STRBUF_LEN];
5642 if (dqb->dqb_bhardlimit &&
5643 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
5645 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
5646 if (dqb->dqb_btime > now) {
5653 if (dqb->dqb_ihardlimit &&
5654 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
5656 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
5657 if (dqb->dqb_itime > now) {
5665 if (strlen(mnt) > 15)
5666 printf("%s\n%15s", mnt, "");
5668 printf("%15s", mnt);
5671 diff2str(dqb->dqb_btime, timebuf, now);
5673 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
5674 strbuf, sizeof(strbuf), h);
5675 if (rc == -EREMOTEIO)
5676 sprintf(numbuf[0], "%s*", strbuf);
5678 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
5679 "%s" : "[%s]", strbuf);
5681 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
5682 if (type == QC_GENERAL)
5683 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
5684 "%s" : "[%s]", strbuf);
5686 sprintf(numbuf[1], "%s", "-");
5688 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
5689 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
5690 "%s" : "[%s]", strbuf);
5692 printf(" %7s%c %6s %7s %7s",
5693 numbuf[0], bover ? '*' : ' ', numbuf[1],
5694 numbuf[2], bover > 1 ? timebuf : "-");
5697 diff2str(dqb->dqb_itime, timebuf, now);
5699 sprintf(numbuf[0], (dqb->dqb_valid & QIF_INODES) ?
5700 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_curinodes);
5702 if (type == QC_GENERAL)
5703 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
5705 (uintmax_t)dqb->dqb_isoftlimit);
5707 sprintf(numbuf[1], "%s", "-");
5709 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
5710 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
5712 if (type != QC_OSTIDX)
5713 printf(" %7s%c %6s %7s %7s",
5714 numbuf[0], iover ? '*' : ' ', numbuf[1],
5715 numbuf[2], iover > 1 ? timebuf : "-");
5717 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
5720 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
5721 qctl->qc_cmd == Q_GETOINFO) {
5725 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
5726 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
5727 printf("Block grace time: %s; Inode grace time: %s\n",
5728 bgtimebuf, igtimebuf);
5732 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
5733 bool h, __u64 *total)
5735 int rc = 0, rc1 = 0, count = 0;
5736 __u32 valid = qctl->qc_valid;
5738 rc = llapi_get_obd_count(mnt, &count, is_mdt);
5740 fprintf(stderr, "can not get %s count: %s\n",
5741 is_mdt ? "mdt": "ost", strerror(-rc));
5745 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
5746 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
5747 rc = llapi_quotactl(mnt, qctl);
5749 /* It is remote client case. */
5750 if (rc == -EOPNOTSUPP) {
5757 fprintf(stderr, "quotactl %s%d failed.\n",
5758 is_mdt ? "mdt": "ost", qctl->qc_idx);
5762 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
5763 qctl->qc_valid, 0, h);
5764 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
5765 qctl->qc_dqblk.dqb_bhardlimit;
5768 qctl->qc_valid = valid;
5772 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
5773 int verbose, int quiet, bool human_readable)
5775 int rc1 = 0, rc2 = 0, rc3 = 0;
5776 char *obd_type = (char *)qctl->obd_type;
5777 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
5778 __u64 total_ialloc = 0, total_balloc = 0;
5781 rc1 = llapi_quotactl(mnt, qctl);
5785 fprintf(stderr, "%s quotas are not enabled.\n",
5786 qtype_name(qctl->qc_type));
5789 fprintf(stderr, "Permission denied.\n");
5792 /* We already got error message. */
5795 fprintf(stderr, "Unexpected quotactl error: %s\n",
5800 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA && !quiet)
5801 print_quota_title(name, qctl, human_readable);
5803 if (rc1 && *obd_type)
5804 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
5806 if (qctl->qc_valid != QC_GENERAL)
5809 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
5810 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
5811 (QIF_LIMITS|QIF_USAGE));
5813 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable);
5815 if (qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO &&
5817 char strbuf[STRBUF_LEN];
5819 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
5821 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
5823 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
5825 printf("Total allocated inode limit: %ju, total "
5826 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
5830 if (rc1 || rc2 || rc3 || inacc)
5831 printf("Some errors happened when getting quota info. "
5832 "Some devices may be not working or deactivated. "
5833 "The data in \"[]\" is inaccurate.\n");
5839 static int lfs_project(int argc, char **argv)
5841 int ret = 0, err = 0, c, i;
5842 struct project_handle_control phc = { 0 };
5843 enum lfs_project_ops_t op;
5846 phc.assign_projid = false;
5847 /* default action */
5848 op = LFS_PROJECT_LIST;
5850 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
5853 if (op != LFS_PROJECT_LIST) {
5855 "%s: cannot specify '-c' '-C' '-s' together\n",
5860 op = LFS_PROJECT_CHECK;
5863 if (op != LFS_PROJECT_LIST) {
5865 "%s: cannot specify '-c' '-C' '-s' together\n",
5870 op = LFS_PROJECT_CLEAR;
5873 if (op != LFS_PROJECT_LIST) {
5875 "%s: cannot specify '-c' '-C' '-s' together\n",
5880 phc.set_inherit = true;
5881 op = LFS_PROJECT_SET;
5887 phc.keep_projid = true;
5890 phc.recursive = true;
5893 phc.projid = strtoul(optarg, NULL, 0);
5894 phc.assign_projid = true;
5898 phc.newline = false;
5901 fprintf(stderr, "%s: invalid option '%c'\n",
5907 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
5908 op = LFS_PROJECT_SET;
5909 phc.set_projid = true;
5910 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
5911 phc.set_projid = true;
5915 case LFS_PROJECT_CHECK:
5916 if (phc.keep_projid) {
5918 "%s: '-k' is useless together with '-c'\n",
5923 case LFS_PROJECT_CLEAR:
5926 "%s: '-0' is useless together with '-C'\n",
5930 if (phc.assign_projid) {
5932 "%s: '-p' is useless together with '-C'\n",
5937 case LFS_PROJECT_SET:
5940 "%s: '-0' is useless together with '-s'\n",
5944 if (phc.keep_projid) {
5946 "%s: '-k' is useless together with '-s'\n",
5954 "%s: '-0' is useless for list operations\n",
5964 fprintf(stderr, "%s: missing file or directory target(s)\n",
5969 for (i = 0; i < argc; i++) {
5971 case LFS_PROJECT_CHECK:
5972 err = lfs_project_check(argv[i], &phc);
5974 case LFS_PROJECT_LIST:
5975 err = lfs_project_list(argv[i], &phc);
5977 case LFS_PROJECT_CLEAR:
5978 err = lfs_project_clear(argv[i], &phc);
5980 case LFS_PROJECT_SET:
5981 err = lfs_project_set(argv[i], &phc);
5993 static int lfs_quota(int argc, char **argv)
5996 char *mnt, *name = NULL;
5997 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
5998 .qc_type = ALLQUOTA };
5999 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
6000 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
6002 __u32 valid = QC_GENERAL, idx = 0;
6003 bool human_readable = false;
6006 while ((c = getopt(argc, argv, "gi:I:o:pqtuvh")) != -1) {
6017 if (qctl.qc_type != ALLQUOTA) {
6019 "%s quota: only one of -u, -g, or -p may be specified\n",
6023 qctl.qc_type = qtype;
6026 qctl.qc_cmd = LUSTRE_Q_GETINFO;
6029 valid = qctl.qc_valid = QC_UUID;
6030 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
6033 valid = qctl.qc_valid = QC_MDTIDX;
6034 idx = qctl.qc_idx = atoi(optarg);
6035 if (idx == 0 && *optarg != '0') {
6037 "%s quota: invalid MDT index '%s'\n",
6043 valid = qctl.qc_valid = QC_OSTIDX;
6044 idx = qctl.qc_idx = atoi(optarg);
6045 if (idx == 0 && *optarg != '0') {
6047 "%s quota: invalid OST index '%s'\n",
6059 human_readable = true;
6062 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
6063 progname, argv[optind - 1]);
6068 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
6069 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
6070 optind == argc - 1) {
6072 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
6073 qctl.qc_valid = valid;
6076 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
6077 qctl.qc_type = qtype;
6078 if (qtype == USRQUOTA) {
6079 qctl.qc_id = geteuid();
6080 rc = uid2name(&name, qctl.qc_id);
6082 qctl.qc_id = getegid();
6083 rc = gid2name(&name, qctl.qc_id);
6088 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
6093 /* lfs quota -u username /path/to/lustre/mount */
6094 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
6095 /* options should be followed by u/g-name and mntpoint */
6096 if (optind + 2 != argc || qctl.qc_type == ALLQUOTA) {
6098 "%s quota: name and mount point must be specified\n",
6103 name = argv[optind++];
6104 switch (qctl.qc_type) {
6106 rc = name2uid(&qctl.qc_id, name);
6109 rc = name2gid(&qctl.qc_id, name);
6112 rc = name2projid(&qctl.qc_id, name);
6119 qctl.qc_id = strtoul(name, &endptr, 10);
6120 if (*endptr != '\0') {
6121 fprintf(stderr, "%s quota: invalid id '%s'\n",
6127 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
6129 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
6130 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
6137 #endif /* HAVE_SYS_QUOTA_H! */
6139 static int flushctx_ioctl(char *mp)
6143 fd = open(mp, O_RDONLY);
6145 fprintf(stderr, "flushctx: error open %s: %s\n",
6146 mp, strerror(errno));
6150 rc = ioctl(fd, LL_IOC_FLUSHCTX);
6152 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
6153 mp, strerror(errno));
6159 static int lfs_flushctx(int argc, char **argv)
6161 int kdestroy = 0, c;
6162 char mntdir[PATH_MAX] = {'\0'};
6166 while ((c = getopt(argc, argv, "k")) != -1) {
6172 fprintf(stderr, "error: %s: option '-%c' "
6173 "unrecognized\n", argv[0], c);
6179 if ((rc = system("kdestroy > /dev/null")) != 0) {
6180 rc = WEXITSTATUS(rc);
6181 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
6185 if (optind >= argc) {
6186 /* flush for all mounted lustre fs. */
6187 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
6188 /* Check if we have a mount point */
6189 if (mntdir[0] == '\0')
6192 if (flushctx_ioctl(mntdir))
6195 mntdir[0] = '\0'; /* avoid matching in next loop */
6198 /* flush fs as specified */
6199 while (optind < argc) {
6200 if (flushctx_ioctl(argv[optind++]))
6207 static int lfs_cp(int argc, char **argv)
6209 fprintf(stderr, "remote client copy file(s).\n"
6210 "obsolete, does not support it anymore.\n");
6214 static int lfs_ls(int argc, char **argv)
6216 fprintf(stderr, "remote client lists directory contents.\n"
6217 "obsolete, does not support it anymore.\n");
6221 static int lfs_changelog(int argc, char **argv)
6223 void *changelog_priv;
6224 struct changelog_rec *rec;
6225 long long startrec = 0, endrec = 0;
6227 struct option long_opts[] = {
6228 { .val = 'f', .name = "follow", .has_arg = no_argument },
6230 char short_opts[] = "f";
6233 while ((rc = getopt_long(argc, argv, short_opts,
6234 long_opts, NULL)) != -1) {
6242 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
6243 argv[0], argv[optind - 1]);
6250 mdd = argv[optind++];
6252 startrec = strtoll(argv[optind++], NULL, 10);
6254 endrec = strtoll(argv[optind++], NULL, 10);
6256 rc = llapi_changelog_start(&changelog_priv,
6257 CHANGELOG_FLAG_BLOCK |
6258 CHANGELOG_FLAG_JOBID |
6259 CHANGELOG_FLAG_EXTRA_FLAGS |
6260 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
6263 fprintf(stderr, "Can't start changelog: %s\n",
6264 strerror(errno = -rc));
6268 rc = llapi_changelog_set_xflags(changelog_priv,
6269 CHANGELOG_EXTRA_FLAG_UIDGID |
6270 CHANGELOG_EXTRA_FLAG_NID |
6271 CHANGELOG_EXTRA_FLAG_OMODE |
6272 CHANGELOG_EXTRA_FLAG_XATTR);
6274 fprintf(stderr, "Can't set xflags for changelog: %s\n",
6275 strerror(errno = -rc));
6279 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
6283 if (endrec && rec->cr_index > endrec) {
6284 llapi_changelog_free(&rec);
6287 if (rec->cr_index < startrec) {
6288 llapi_changelog_free(&rec);
6292 secs = rec->cr_time >> 30;
6293 gmtime_r(&secs, &ts);
6294 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
6295 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
6296 changelog_type2str(rec->cr_type),
6297 ts.tm_hour, ts.tm_min, ts.tm_sec,
6298 (int)(rec->cr_time & ((1 << 30) - 1)),
6299 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
6300 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
6302 if (rec->cr_flags & CLF_JOBID) {
6303 struct changelog_ext_jobid *jid =
6304 changelog_rec_jobid(rec);
6306 if (jid->cr_jobid[0] != '\0')
6307 printf(" j=%s", jid->cr_jobid);
6310 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
6311 struct changelog_ext_extra_flags *ef =
6312 changelog_rec_extra_flags(rec);
6314 printf(" ef=0x%llx", ef->cr_extra_flags);
6316 if (ef->cr_extra_flags & CLFE_UIDGID) {
6317 struct changelog_ext_uidgid *uidgid =
6318 changelog_rec_uidgid(rec);
6320 printf(" u=%llu:%llu",
6321 uidgid->cr_uid, uidgid->cr_gid);
6323 if (ef->cr_extra_flags & CLFE_NID) {
6324 struct changelog_ext_nid *nid =
6325 changelog_rec_nid(rec);
6328 libcfs_nid2str(nid->cr_nid));
6331 if (ef->cr_extra_flags & CLFE_OPEN) {
6332 struct changelog_ext_openmode *omd =
6333 changelog_rec_openmode(rec);
6334 char mode[] = "---";
6336 /* exec mode must be exclusive */
6337 if (omd->cr_openflags & MDS_FMODE_EXEC) {
6340 if (omd->cr_openflags & FMODE_READ)
6342 if (omd->cr_openflags &
6349 if (strcmp(mode, "---") != 0)
6350 printf(" m=%s", mode);
6354 if (ef->cr_extra_flags & CLFE_XATTR) {
6355 struct changelog_ext_xattr *xattr =
6356 changelog_rec_xattr(rec);
6358 if (xattr->cr_xattr[0] != '\0')
6359 printf(" x=%s", xattr->cr_xattr);
6363 if (rec->cr_namelen)
6364 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
6365 rec->cr_namelen, changelog_rec_name(rec));
6367 if (rec->cr_flags & CLF_RENAME) {
6368 struct changelog_ext_rename *rnm =
6369 changelog_rec_rename(rec);
6371 if (!fid_is_zero(&rnm->cr_sfid))
6372 printf(" s="DFID" sp="DFID" %.*s",
6373 PFID(&rnm->cr_sfid),
6374 PFID(&rnm->cr_spfid),
6375 (int)changelog_rec_snamelen(rec),
6376 changelog_rec_sname(rec));
6380 llapi_changelog_free(&rec);
6383 llapi_changelog_fini(&changelog_priv);
6386 fprintf(stderr, "Changelog: %s\n", strerror(errno = -rc));
6388 return (rc == 1 ? 0 : rc);
6391 static int lfs_changelog_clear(int argc, char **argv)
6399 endrec = strtoll(argv[3], NULL, 10);
6401 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
6404 fprintf(stderr, "%s: record out of range: %llu\n",
6406 else if (rc == -ENOENT)
6407 fprintf(stderr, "%s: no changelog user: %s\n",
6410 fprintf(stderr, "%s error: %s\n", argv[0],
6419 static int lfs_fid2path(int argc, char **argv)
6421 struct option long_opts[] = {
6422 { .val = 'c', .name = "cur", .has_arg = no_argument },
6423 { .val = 'l', .name = "link", .has_arg = required_argument },
6424 { .val = 'r', .name = "rec", .has_arg = required_argument },
6426 char short_opts[] = "cl:r:";
6427 char *device, *fid, *path;
6428 long long recno = -1;
6434 while ((rc = getopt_long(argc, argv, short_opts,
6435 long_opts, NULL)) != -1) {
6441 linkno = strtol(optarg, NULL, 10);
6444 recno = strtoll(optarg, NULL, 10);
6449 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
6450 argv[0], argv[optind - 1]);
6458 device = argv[optind++];
6459 path = calloc(1, PATH_MAX);
6461 fprintf(stderr, "error: Not enough memory\n");
6466 while (optind < argc) {
6467 fid = argv[optind++];
6469 lnktmp = (linkno >= 0) ? linkno : 0;
6471 int oldtmp = lnktmp;
6472 long long rectmp = recno;
6474 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
6477 fprintf(stderr, "%s: error on FID %s: %s\n",
6478 argv[0], fid, strerror(errno = -rc2));
6485 fprintf(stdout, "%lld ", rectmp);
6486 if (device[0] == '/') {
6487 fprintf(stdout, "%s", device);
6488 if (device[strlen(device) - 1] != '/')
6489 fprintf(stdout, "/");
6490 } else if (path[0] == '\0') {
6491 fprintf(stdout, "/");
6493 fprintf(stdout, "%s\n", path);
6496 /* specified linkno */
6498 if (oldtmp == lnktmp)
6508 static int lfs_path2fid(int argc, char **argv)
6510 struct option long_opts[] = {
6511 { .val = 'p', .name = "parents", .has_arg = no_argument },
6514 const char short_opts[] = "p";
6515 const char *sep = "";
6518 bool show_parents = false;
6520 while ((rc = getopt_long(argc, argv, short_opts,
6521 long_opts, NULL)) != -1) {
6524 show_parents = true;
6527 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
6528 argv[0], argv[optind - 1]);
6533 if (optind > argc - 1)
6535 else if (optind < argc - 1)
6539 for (path = argv + optind; *path != NULL; path++) {
6541 if (!show_parents) {
6542 err = llapi_path2fid(*path, &fid);
6544 printf("%s%s"DFID"\n",
6545 *sep != '\0' ? *path : "", sep,
6548 char name[NAME_MAX + 1];
6549 unsigned int linkno = 0;
6551 while ((err = llapi_path2parent(*path, linkno, &fid,
6552 name, sizeof(name))) == 0) {
6553 if (*sep != '\0' && linkno == 0)
6554 printf("%s%s", *path, sep);
6556 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
6561 /* err == -ENODATA is end-of-loop */
6562 if (linkno > 0 && err == -ENODATA) {
6569 fprintf(stderr, "%s: can't get %sfid for %s: %s\n",
6570 argv[0], show_parents ? "parent " : "", *path,
6582 static int lfs_data_version(int argc, char **argv)
6589 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
6594 while ((c = getopt(argc, argv, "nrw")) != -1) {
6597 data_version_flags = 0;
6600 data_version_flags |= LL_DV_RD_FLUSH;
6603 data_version_flags |= LL_DV_WR_FLUSH;
6612 path = argv[optind];
6613 fd = open(path, O_RDONLY);
6615 err(errno, "cannot open file %s", path);
6617 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
6619 err(errno, "cannot get version for %s", path);
6621 printf("%ju" "\n", (uintmax_t)data_version);
6627 static int lfs_hsm_state(int argc, char **argv)
6632 struct hsm_user_state hus;
6640 rc = llapi_hsm_state_get(path, &hus);
6642 fprintf(stderr, "can't get hsm state for %s: %s\n",
6643 path, strerror(errno = -rc));
6647 /* Display path name and status flags */
6648 printf("%s: (0x%08x)", path, hus.hus_states);
6650 if (hus.hus_states & HS_RELEASED)
6651 printf(" released");
6652 if (hus.hus_states & HS_EXISTS)
6654 if (hus.hus_states & HS_DIRTY)
6656 if (hus.hus_states & HS_ARCHIVED)
6657 printf(" archived");
6658 /* Display user-settable flags */
6659 if (hus.hus_states & HS_NORELEASE)
6660 printf(" never_release");
6661 if (hus.hus_states & HS_NOARCHIVE)
6662 printf(" never_archive");
6663 if (hus.hus_states & HS_LOST)
6664 printf(" lost_from_hsm");
6666 if (hus.hus_archive_id != 0)
6667 printf(", archive_id:%d", hus.hus_archive_id);
6670 } while (++i < argc);
6675 #define LFS_HSM_SET 0
6676 #define LFS_HSM_CLEAR 1
6679 * Generic function to set or clear HSM flags.
6680 * Used by hsm_set and hsm_clear.
6682 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
6684 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
6686 struct option long_opts[] = {
6687 { .val = 'A', .name = "archived", .has_arg = no_argument },
6688 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
6689 { .val = 'd', .name = "dirty", .has_arg = no_argument },
6690 { .val = 'e', .name = "exists", .has_arg = no_argument },
6691 { .val = 'l', .name = "lost", .has_arg = no_argument },
6692 { .val = 'r', .name = "norelease", .has_arg = no_argument },
6693 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
6695 char short_opts[] = "lraAdei:";
6699 __u32 archive_id = 0;
6705 while ((c = getopt_long(argc, argv, short_opts,
6706 long_opts, NULL)) != -1) {
6712 mask |= HS_NOARCHIVE;
6715 mask |= HS_ARCHIVED;
6718 mask |= HS_NORELEASE;
6727 archive_id = strtol(optarg, &end, 10);
6729 fprintf(stderr, "invalid archive_id: '%s'\n",
6737 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
6738 argv[0], argv[optind - 1]);
6743 /* User should have specified a flag */
6747 while (optind < argc) {
6749 path = argv[optind];
6751 /* If mode == 0, this means we apply the mask. */
6752 if (mode == LFS_HSM_SET)
6753 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
6755 rc = llapi_hsm_state_set(path, 0, mask, 0);
6758 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
6759 path, strerror(errno = -rc));
6768 static int lfs_hsm_action(int argc, char **argv)
6773 struct hsm_current_action hca;
6774 struct hsm_extent he;
6775 enum hsm_user_action hua;
6776 enum hsm_progress_states hps;
6784 rc = llapi_hsm_current_action(path, &hca);
6786 fprintf(stderr, "can't get hsm action for %s: %s\n",
6787 path, strerror(errno = -rc));
6790 he = hca.hca_location;
6791 hua = hca.hca_action;
6792 hps = hca.hca_state;
6794 printf("%s: %s", path, hsm_user_action2name(hua));
6796 /* Skip file without action */
6797 if (hca.hca_action == HUA_NONE) {
6802 printf(" %s ", hsm_progress_state2name(hps));
6804 if ((hps == HPS_RUNNING) &&
6805 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
6806 printf("(%llu bytes moved)\n",
6807 (unsigned long long)he.length);
6808 else if ((he.offset + he.length) == LUSTRE_EOF)
6809 printf("(from %llu to EOF)\n",
6810 (unsigned long long)he.offset);
6812 printf("(from %llu to %llu)\n",
6813 (unsigned long long)he.offset,
6814 (unsigned long long)(he.offset + he.length));
6816 } while (++i < argc);
6821 static int lfs_hsm_set(int argc, char **argv)
6823 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
6826 static int lfs_hsm_clear(int argc, char **argv)
6828 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
6832 * Check file state and return its fid, to be used by lfs_hsm_request().
6834 * \param[in] file Path to file to check
6835 * \param[in,out] fid Pointer to allocated lu_fid struct.
6836 * \param[in,out] last_dev Pointer to last device id used.
6838 * \return 0 on success.
6840 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
6846 rc = lstat(file, &st);
6848 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
6851 /* Checking for regular file as archiving as posix copytool
6852 * rejects archiving files other than regular files
6854 if (!S_ISREG(st.st_mode)) {
6855 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
6858 /* A request should be ... */
6859 if (*last_dev != st.st_dev && *last_dev != 0) {
6860 fprintf(stderr, "All files should be "
6861 "on the same filesystem: %s\n", file);
6864 *last_dev = st.st_dev;
6866 rc = llapi_path2fid(file, fid);
6868 fprintf(stderr, "Cannot read FID of %s: %s\n",
6869 file, strerror(-rc));
6875 /* Fill an HSM HUR item with a given file name.
6877 * If mntpath is set, then the filename is actually a FID, and no
6878 * lookup on the filesystem will be performed.
6880 * \param[in] hur the user request to fill
6881 * \param[in] idx index of the item inside the HUR to fill
6882 * \param[in] mntpath mountpoint of Lustre
6883 * \param[in] fname filename (if mtnpath is NULL)
6884 * or FID (if mntpath is set)
6885 * \param[in] last_dev pointer to last device id used
6887 * \retval 0 on success
6888 * \retval CMD_HELP or a negative errno on error
6890 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
6891 const char *mntpath, const char *fname,
6894 struct hsm_user_item *hui = &hur->hur_user_item[idx];
6897 hui->hui_extent.length = -1;
6899 if (mntpath != NULL) {
6902 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
6906 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
6911 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
6915 hur->hur_request.hr_itemcount++;
6920 static int lfs_hsm_request(int argc, char **argv, int action)
6922 struct option long_opts[] = {
6923 { .val = 'a', .name = "archive", .has_arg = required_argument },
6924 { .val = 'D', .name = "data", .has_arg = required_argument },
6925 { .val = 'l', .name = "filelist", .has_arg = required_argument },
6926 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
6929 char short_opts[] = "l:D:a:m:";
6930 struct hsm_user_request *hur, *oldhur;
6935 char *filelist = NULL;
6936 char fullpath[PATH_MAX];
6937 char *opaque = NULL;
6941 int nbfile_alloc = 0;
6942 char *some_file = NULL;
6943 char *mntpath = NULL;
6949 while ((c = getopt_long(argc, argv, short_opts,
6950 long_opts, NULL)) != -1) {
6959 if (action != HUA_ARCHIVE &&
6960 action != HUA_REMOVE) {
6962 "error: -a is supported only "
6963 "when archiving or removing\n");
6966 archive_id = atoi(optarg);
6969 if (some_file == NULL) {
6971 some_file = strdup(optarg);
6977 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
6978 argv[0], argv[optind - 1]);
6983 /* All remaining args are files, so we have at least nbfile */
6984 nbfile = argc - optind;
6986 if ((nbfile == 0) && (filelist == NULL))
6990 opaque_len = strlen(opaque);
6992 /* Alloc the request structure with enough place to store all files
6993 * from command line. */
6994 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
6996 fprintf(stderr, "Cannot create the request: %s\n",
7000 nbfile_alloc = nbfile;
7002 hur->hur_request.hr_action = action;
7003 hur->hur_request.hr_archive_id = archive_id;
7004 hur->hur_request.hr_flags = 0;
7006 /* All remaining args are files, add them */
7007 if (nbfile != 0 && some_file == NULL)
7008 some_file = strdup(argv[optind]);
7010 for (i = 0; i < nbfile; i++) {
7011 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
7017 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
7019 /* If a filelist was specified, read the filelist from it. */
7020 if (filelist != NULL) {
7021 fp = fopen(filelist, "r");
7023 fprintf(stderr, "Cannot read the file list %s: %s\n",
7024 filelist, strerror(errno));
7029 while ((rc = getline(&line, &len, fp)) != -1) {
7030 /* If allocated buffer was too small, get something
7032 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
7035 nbfile_alloc = nbfile_alloc * 2 + 1;
7037 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
7040 fprintf(stderr, "hsm: cannot allocate "
7041 "the request: %s\n",
7048 size = hur_len(oldhur);
7050 fprintf(stderr, "hsm: cannot allocate "
7051 "%u files + %u bytes data\n",
7052 oldhur->hur_request.hr_itemcount,
7053 oldhur->hur_request.hr_data_len);
7060 memcpy(hur, oldhur, size);
7065 if (line[strlen(line) - 1] == '\n')
7066 line[strlen(line) - 1] = '\0';
7068 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
7069 mntpath, line, &last_dev);
7075 if (some_file == NULL) {
7085 /* If a --data was used, add it to the request */
7086 hur->hur_request.hr_data_len = opaque_len;
7088 memcpy(hur_data(hur), opaque, opaque_len);
7090 /* Send the HSM request */
7091 if (realpath(some_file, fullpath) == NULL) {
7092 fprintf(stderr, "Could not find path '%s': %s\n",
7093 some_file, strerror(errno));
7095 rc = llapi_hsm_request(fullpath, hur);
7097 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
7098 some_file, strerror(-rc));
7108 static int lfs_hsm_archive(int argc, char **argv)
7110 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
7113 static int lfs_hsm_restore(int argc, char **argv)
7115 return lfs_hsm_request(argc, argv, HUA_RESTORE);
7118 static int lfs_hsm_release(int argc, char **argv)
7120 return lfs_hsm_request(argc, argv, HUA_RELEASE);
7123 static int lfs_hsm_remove(int argc, char **argv)
7125 return lfs_hsm_request(argc, argv, HUA_REMOVE);
7128 static int lfs_hsm_cancel(int argc, char **argv)
7130 return lfs_hsm_request(argc, argv, HUA_CANCEL);
7133 static int lfs_swap_layouts(int argc, char **argv)
7138 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
7139 SWAP_LAYOUTS_KEEP_MTIME |
7140 SWAP_LAYOUTS_KEEP_ATIME);
7143 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
7145 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
7147 int lfs_get_mode(const char *string)
7149 enum lock_mode_user mode;
7151 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
7152 if (lock_mode_names[mode] == NULL)
7154 if (strcmp(string, lock_mode_names[mode]) == 0)
7161 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
7163 enum lu_ladvise_type advice;
7166 advice < ARRAY_SIZE(ladvise_names); advice++) {
7167 if (ladvise_names[advice] == NULL)
7169 if (strcmp(string, ladvise_names[advice]) == 0)
7173 return LU_LADVISE_INVALID;
7176 static int lfs_ladvise(int argc, char **argv)
7178 struct option long_opts[] = {
7179 { .val = 'a', .name = "advice", .has_arg = required_argument },
7180 { .val = 'b', .name = "background", .has_arg = no_argument },
7181 { .val = 'e', .name = "end", .has_arg = required_argument },
7182 { .val = 'l', .name = "length", .has_arg = required_argument },
7183 { .val = 'm', .name = "mode", .has_arg = required_argument },
7184 { .val = 's', .name = "start", .has_arg = required_argument },
7185 { .val = 'u', .name = "unset", .has_arg = no_argument },
7187 char short_opts[] = "a:be:l:m:s:u";
7192 struct llapi_lu_ladvise advice;
7193 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
7194 unsigned long long start = 0;
7195 unsigned long long end = LUSTRE_EOF;
7196 unsigned long long length = 0;
7197 unsigned long long size_units;
7198 unsigned long long flags = 0;
7202 while ((c = getopt_long(argc, argv, short_opts,
7203 long_opts, NULL)) != -1) {
7206 advice_type = lfs_get_ladvice(optarg);
7207 if (advice_type == LU_LADVISE_INVALID) {
7208 fprintf(stderr, "%s: invalid advice type "
7209 "'%s'\n", argv[0], optarg);
7210 fprintf(stderr, "Valid types:");
7212 for (advice_type = 0;
7213 advice_type < ARRAY_SIZE(ladvise_names);
7215 if (ladvise_names[advice_type] == NULL)
7217 fprintf(stderr, " %s",
7218 ladvise_names[advice_type]);
7220 fprintf(stderr, "\n");
7233 rc = llapi_parse_size(optarg, &end,
7236 fprintf(stderr, "%s: bad end offset '%s'\n",
7243 rc = llapi_parse_size(optarg, &start,
7246 fprintf(stderr, "%s: bad start offset "
7247 "'%s'\n", argv[0], optarg);
7253 rc = llapi_parse_size(optarg, &length,
7256 fprintf(stderr, "%s: bad length '%s'\n",
7262 mode = lfs_get_mode(optarg);
7264 fprintf(stderr, "%s: bad mode '%s', valid "
7265 "modes are READ or WRITE\n",
7273 fprintf(stderr, "%s: option '%s' unrecognized\n",
7274 argv[0], argv[optind - 1]);
7279 if (advice_type == LU_LADVISE_INVALID) {
7280 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
7281 fprintf(stderr, "Valid types:");
7282 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
7284 if (ladvise_names[advice_type] == NULL)
7286 fprintf(stderr, " %s", ladvise_names[advice_type]);
7288 fprintf(stderr, "\n");
7292 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
7293 fprintf(stderr, "%s: Lock no expand advice is a per file "
7294 "descriptor advice, so when called from lfs, "
7295 "it does nothing.\n", argv[0]);
7299 if (argc <= optind) {
7300 fprintf(stderr, "%s: please give one or more file names\n",
7305 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
7306 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
7311 if (end == LUSTRE_EOF && length != 0)
7312 end = start + length;
7315 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
7316 argv[0], start, end);
7320 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
7321 fprintf(stderr, "%s: mode is only valid with lockahead\n",
7326 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
7327 fprintf(stderr, "%s: mode is required with lockahead\n",
7332 while (optind < argc) {
7335 path = argv[optind++];
7337 fd = open(path, O_RDONLY);
7339 fprintf(stderr, "%s: cannot open file '%s': %s\n",
7340 argv[0], path, strerror(errno));
7345 advice.lla_start = start;
7346 advice.lla_end = end;
7347 advice.lla_advice = advice_type;
7348 advice.lla_value1 = 0;
7349 advice.lla_value2 = 0;
7350 advice.lla_value3 = 0;
7351 advice.lla_value4 = 0;
7352 if (advice_type == LU_LADVISE_LOCKAHEAD) {
7353 advice.lla_lockahead_mode = mode;
7354 advice.lla_peradvice_flags = flags;
7357 rc2 = llapi_ladvise(fd, flags, 1, &advice);
7360 fprintf(stderr, "%s: cannot give advice '%s' to file "
7361 "'%s': %s\n", argv[0],
7362 ladvise_names[advice_type],
7363 path, strerror(errno));
7369 if (rc == 0 && rc2 < 0)
7375 /** The input string contains a comma delimited list of component ids and
7376 * ranges, for example "1,2-4,7".
7378 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
7380 bool end_of_loop = false;
7388 while (!end_of_loop) {
7392 char *endptr = NULL;
7395 ptr = strchrnul(arg, ',');
7396 end_of_loop = *ptr == '\0';
7399 start_index = strtol(arg, &endptr, 0);
7400 if (endptr == arg) /* no data at all */
7402 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
7404 if (start_index < 0)
7407 end_index = start_index;
7408 if (*endptr == '-') {
7409 end_index = strtol(endptr + 1, &endptr, 0);
7410 if (*endptr != '\0')
7412 if (end_index < start_index)
7416 for (i = start_index; i <= end_index && size > 0; i++) {
7419 /* remove duplicate */
7420 for (j = 0; j < nr; j++) {
7424 if (j == nr) { /* no duplicate */
7430 if (size == 0 && i < end_index)
7437 if (!end_of_loop && ptr != NULL)
7440 return rc < 0 ? rc : nr;
7444 * struct verify_mirror_id - Mirror id to be verified.
7445 * @mirror_id: A specified mirror id.
7446 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
7448 struct verify_mirror_id {
7454 * compare_mirror_ids() - Compare mirror ids.
7455 * @layout: Mirror component list.
7456 * @cbdata: Callback data in verify_mirror_id structure.
7458 * This is a callback function called by llapi_layout_comp_iterate()
7459 * to compare the specified mirror id with the one in the current
7460 * component of @layout. If they are the same, then the specified
7461 * mirror id is valid.
7463 * Return: a negative error code on failure or
7464 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
7465 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
7468 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
7470 struct verify_mirror_id *mirror_id_cbdata =
7471 (struct verify_mirror_id *)cbdata;
7475 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
7479 "%s: llapi_layout_mirror_id_get failed: %s.\n",
7480 progname, strerror(errno));
7484 if (mirror_id_cbdata->mirror_id == mirror_id) {
7485 mirror_id_cbdata->is_valid_id = true;
7486 return LLAPI_LAYOUT_ITER_STOP;
7489 return LLAPI_LAYOUT_ITER_CONT;
7493 * verify_mirror_ids() - Verify specified mirror ids.
7494 * @fname: Mirrored file name.
7495 * @mirror_ids: Specified mirror ids to be verified.
7496 * @ids_nr: Number of specified mirror ids.
7498 * This function verifies that specified @mirror_ids are valid
7499 * in the mirrored file @fname.
7501 * Return: 0 on success or a negative error code on failure.
7504 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
7506 struct llapi_layout *layout = NULL;
7507 struct verify_mirror_id mirror_id_cbdata = { 0 };
7518 if (stat(fname, &stbuf) < 0) {
7519 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
7520 progname, fname, strerror(errno));
7525 if (!S_ISREG(stbuf.st_mode)) {
7526 fprintf(stderr, "%s: '%s' is not a regular file.\n",
7532 fd = open(fname, O_DIRECT | O_RDONLY);
7534 fprintf(stderr, "%s: cannot open '%s': %s.\n",
7535 progname, fname, strerror(errno));
7540 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
7542 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
7543 progname, fname, strerror(errno));
7547 layout = llapi_layout_get_by_fd(fd, 0);
7548 if (layout == NULL) {
7549 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
7550 progname, fname, strerror(errno));
7552 llapi_lease_release(fd);
7556 rc = llapi_layout_flags_get(layout, &flr_state);
7558 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
7559 progname, fname, strerror(errno));
7564 flr_state &= LCM_FL_FLR_MASK;
7565 switch (flr_state) {
7568 fprintf(stderr, "%s: '%s' file state error: %s.\n",
7569 progname, fname, llapi_layout_flags_string(flr_state));
7576 for (i = 0; i < ids_nr; i++) {
7577 mirror_id_cbdata.mirror_id = mirror_ids[i];
7578 mirror_id_cbdata.is_valid_id = false;
7580 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
7585 "%s: '%s' failed to verify mirror id: %u.\n",
7586 progname, fname, mirror_ids[i]);
7590 if (!mirror_id_cbdata.is_valid_id) {
7593 "%s: '%s' invalid specified mirror id: %u.\n",
7594 progname, fname, mirror_ids[i]);
7600 llapi_layout_free(layout);
7601 llapi_lease_release(fd);
7609 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
7610 __u16 *mirror_ids, int ids_nr)
7612 struct llapi_resync_comp comp_array[1024] = { { 0 } };
7613 struct llapi_layout *layout;
7621 if (stat(fname, &stbuf) < 0) {
7622 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
7623 progname, fname, strerror(errno));
7627 if (!S_ISREG(stbuf.st_mode)) {
7628 fprintf(stderr, "%s: '%s' is not a regular file.\n",
7634 fd = open(fname, O_DIRECT | O_RDWR);
7636 fprintf(stderr, "%s: cannot open '%s': %s.\n",
7637 progname, fname, strerror(errno));
7642 layout = llapi_layout_get_by_fd(fd, 0);
7643 if (layout == NULL) {
7644 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
7645 progname, fname, strerror(errno));
7650 rc = llapi_layout_flags_get(layout, &flr_state);
7652 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
7653 progname, fname, strerror(errno));
7658 flr_state &= LCM_FL_FLR_MASK;
7659 if (flr_state == LCM_FL_NONE) {
7661 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
7666 /* get stale component info */
7667 comp_size = llapi_mirror_find_stale(layout, comp_array,
7668 ARRAY_SIZE(comp_array),
7669 mirror_ids, ids_nr);
7670 if (comp_size <= 0) {
7675 ioc->lil_mode = LL_LEASE_WRLCK;
7676 ioc->lil_flags = LL_LEASE_RESYNC;
7677 rc = llapi_lease_set(fd, ioc);
7679 if (rc == -EALREADY)
7683 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
7684 progname, fname, strerror(errno));
7689 while (idx < comp_size) {
7695 rc = llapi_lease_check(fd);
7696 if (rc != LL_LEASE_WRLCK) {
7697 fprintf(stderr, "%s: '%s' lost lease lock.\n",
7702 mirror_id = comp_array[idx].lrc_mirror_id;
7703 end = comp_array[idx].lrc_end;
7705 /* try to combine adjacent component */
7706 for (i = idx + 1; i < comp_size; i++) {
7707 if (mirror_id != comp_array[i].lrc_mirror_id ||
7708 end != comp_array[i].lrc_start)
7710 end = comp_array[i].lrc_end;
7713 result = llapi_mirror_resync_one(fd, layout, mirror_id,
7714 comp_array[idx].lrc_start,
7717 fprintf(stderr, "%s: '%s' llapi_mirror_resync_one: "
7718 "%ld.\n", progname, fname, result);
7721 } else if (result > 0) {
7724 /* mark synced components */
7725 for (j = idx; j < i; j++)
7726 comp_array[j].lrc_synced = true;
7733 /* prepare ioc for lease put */
7734 ioc->lil_mode = LL_LEASE_UNLCK;
7735 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
7737 for (idx = 0; idx < comp_size; idx++) {
7738 if (comp_array[idx].lrc_synced) {
7739 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
7744 rc = llapi_lease_set(fd, ioc);
7746 if (rc == 0) /* lost lease lock */
7748 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
7749 progname, fname, strerror(errno));
7753 * llapi_lease_set returns lease mode when it request to unlock
7759 llapi_layout_free(layout);
7766 static inline int lfs_mirror_resync(int argc, char **argv)
7768 struct ll_ioc_lease *ioc = NULL;
7769 __u16 mirror_ids[128] = { 0 };
7774 struct option long_opts[] = {
7775 { .val = 'o', .name = "only", .has_arg = required_argument },
7778 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
7781 rc = parse_mirror_ids(mirror_ids,
7782 sizeof(mirror_ids) / sizeof(__u16),
7786 "%s: bad mirror ids '%s'.\n",
7793 fprintf(stderr, "%s: options '%s' unrecognized.\n",
7794 argv[0], argv[optind - 1]);
7800 if (argc == optind) {
7801 fprintf(stderr, "%s: no file name given.\n", argv[0]);
7806 if (ids_nr > 0 && argc > optind + 1) {
7808 "%s: option '--only' cannot be used upon multiple files.\n",
7816 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
7821 /* set the lease on the file */
7822 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
7824 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
7825 argv[0], strerror(errno));
7830 for (; optind < argc; optind++) {
7831 rc = lfs_mirror_resync_file(argv[optind], ioc,
7832 mirror_ids, ids_nr);
7833 /* ignore previous file's error, continue with next file */
7836 memset(ioc, 0, sizeof(__u32) * 4096);
7845 * struct verify_chunk - Mirror chunk to be verified.
7846 * @chunk: [start, end) of the chunk.
7847 * @mirror_count: Number of mirror ids in @mirror_id array.
7848 * @mirror_id: Array of valid mirror ids that cover the chunk.
7850 struct verify_chunk {
7851 struct lu_extent chunk;
7852 unsigned int mirror_count;
7853 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
7857 * print_chunks() - Print chunk information.
7858 * @fname: Mirrored file name.
7859 * @chunks: Array of chunks.
7860 * @chunk_count: Number of chunks in @chunks array.
7862 * This function prints [start, end) of each chunk in @chunks
7863 * for mirrored file @fname, and also prints the valid mirror ids
7864 * that cover the chunk.
7869 void print_chunks(const char *fname, struct verify_chunk *chunks,
7875 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
7876 for (i = 0; i < chunk_count; i++) {
7877 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
7879 if (chunks[i].mirror_count == 0)
7880 fprintf(stdout, "\t[");
7882 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
7883 for (j = 1; j < chunks[i].mirror_count; j++)
7884 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
7886 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
7888 fprintf(stdout, "\n");
7892 * print_checksums() - Print CRC-32 checksum values.
7893 * @chunk: A chunk and its corresponding valid mirror ids.
7894 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
7896 * This function prints CRC-32 checksum values on @chunk for
7897 * each valid mirror that covers it.
7902 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
7907 "CRC-32 checksum value for chunk "DEXT":\n",
7908 PEXT(&chunk->chunk));
7909 for (i = 0; i < chunk->mirror_count; i++)
7910 fprintf(stdout, "Mirror %u:\t%#lx\n",
7911 chunk->mirror_id[i], crc[i]);
7912 fprintf(stdout, "\n");
7916 * filter_mirror_id() - Filter specified mirror ids.
7917 * @chunks: Array of chunks.
7918 * @chunk_count: Number of chunks in @chunks array.
7919 * @mirror_ids: Specified mirror ids to be verified.
7920 * @ids_nr: Number of specified mirror ids.
7922 * This function scans valid mirror ids that cover each chunk in @chunks
7923 * and filters specified mirror ids.
7928 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
7929 __u16 *mirror_ids, int ids_nr)
7934 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
7935 unsigned int valid_count = 0;
7937 for (i = 0; i < chunk_count; i++) {
7938 if (chunks[i].mirror_count == 0)
7942 for (j = 0; j < ids_nr; j++) {
7943 for (k = 0; k < chunks[i].mirror_count; k++) {
7944 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
7945 valid_id[valid_count] = mirror_ids[j];
7952 memcpy(chunks[i].mirror_id, valid_id,
7953 sizeof(__u16) * valid_count);
7954 chunks[i].mirror_count = valid_count;
7959 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
7960 * @layout: Mirror component list.
7961 * @chunks: Array of chunks.
7962 * @chunks_size: Array size of @chunks.
7964 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
7965 * to find out chunk segments and store them in @chunks array.
7967 * The @mirror_id array in each element of @chunks will store the valid
7968 * mirror ids that cover the chunk. If a mirror component covering the
7969 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
7970 * will not be stored into the @mirror_id array, and the chunk for that
7971 * mirror will not be verified.
7973 * The @mirror_count in each element of @chunks will store the number of
7974 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
7975 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
7976 * indicates the chunk is valid in only one mirror. In both cases, the
7977 * chunk will not be verified.
7979 * Here is an example:
7982 * +------+-------------+--------------------+
7984 * +------+------+------+------+-------------+
7985 * | | S | S | | mirror2
7986 * +-------------+------+------+-------------+
7988 * prepared @chunks array will contain 5 elements:
7989 * (([0, 1M), [1, 2], 2),
7990 * ([1M, 2M), [1, 2], 2),
7991 * ([2M, 3M), [1], 1),
7992 * ([3M, 4M], [], 0),
7993 * ([4M, EOF), [2], 1))
7995 * Return: the actual array size of @chunks on success
7996 * or a negative error code on failure.
7999 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
8000 struct verify_chunk *chunks,
8011 memset(chunks, 0, sizeof(*chunks) * chunks_size);
8014 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
8017 "%s: move to the first layout component: %s.\n",
8018 progname, strerror(errno));
8024 chunks[idx].chunk.e_end = LUSTRE_EOF;
8026 rc = llapi_layout_comp_extent_get(layout, &start, &end);
8029 "%s: llapi_layout_comp_extent_get failed: %s.\n",
8030 progname, strerror(errno));
8034 if (start > chunks[idx].chunk.e_start ||
8035 end <= chunks[idx].chunk.e_start)
8038 if (end < chunks[idx].chunk.e_end)
8039 chunks[idx].chunk.e_end = end;
8041 rc = llapi_layout_comp_flags_get(layout, &flags);
8044 "%s: llapi_layout_comp_flags_get failed: %s.\n",
8045 progname, strerror(errno));
8049 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
8052 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
8055 "%s: llapi_layout_mirror_id_get failed: %s.\n",
8056 progname, strerror(errno));
8060 chunks[idx].mirror_id[i] = mirror_id;
8062 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
8064 "%s: mirror_id array is too small.\n",
8071 rc = llapi_layout_comp_use(layout,
8072 LLAPI_LAYOUT_COMP_USE_NEXT);
8075 "%s: move to the next layout component: %s.\n",
8076 progname, strerror(errno));
8079 } /* loop through all components */
8081 chunks[idx].mirror_count = i;
8083 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
8087 if (idx >= chunks_size) {
8088 fprintf(stderr, "%s: chunks array is too small.\n",
8094 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
8098 return rc < 0 ? rc : idx + 1;
8102 * lfs_mirror_verify_chunk() - Verify a chunk.
8103 * @fd: File descriptor of the mirrored file.
8104 * @file_size: Size of the mirrored file.
8105 * @chunk: A chunk and its corresponding valid mirror ids.
8106 * @verbose: Verbose mode.
8108 * This function verifies a @chunk contains exactly the same data
8109 * ammong the mirrors that cover it.
8111 * If @verbose is specified, then the function will print where the
8112 * differences are if the data do not match. Otherwise, it will
8113 * just return an error in that case.
8115 * Return: 0 on success or a negative error code on failure.
8118 int lfs_mirror_verify_chunk(int fd, size_t file_size,
8119 struct verify_chunk *chunk, int verbose)
8121 const size_t buflen = 4 * 1024 * 1024; /* 4M */
8123 size_t page_size = sysconf(_SC_PAGESIZE);
8129 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
8136 rc = posix_memalign(&buf, page_size, buflen);
8137 if (rc) /* error code is returned directly */
8141 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
8142 PEXT(&chunk->chunk));
8143 for (i = 0; i < chunk->mirror_count; i++)
8144 fprintf(stdout, " %u", chunk->mirror_id[i]);
8145 fprintf(stdout, "\n");
8149 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
8150 pos = chunk->chunk.e_start;
8151 while (bytes_done < count) {
8152 /* compute initial CRC-32 checksum */
8153 crc = crc32(0L, Z_NULL, 0);
8154 memset(crc_array, 0, sizeof(crc_array));
8157 for (i = 0; i < chunk->mirror_count; i++) {
8158 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
8160 if (bytes_read < 0) {
8163 "%s: failed to read data from mirror %u: %s.\n",
8164 progname, chunk->mirror_id[i],
8169 /* compute new CRC-32 checksum */
8170 crc_array[i] = crc32(crc, buf, bytes_read);
8174 print_checksums(chunk, crc_array);
8176 /* compare CRC-32 checksum values */
8177 for (i = 1; i < chunk->mirror_count; i++) {
8178 if (crc_array[i] != crc_array[0]) {
8184 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
8185 progname, PEXT(&chunk->chunk),
8186 chunk->mirror_id[0],
8187 chunk->mirror_id[i]);
8192 bytes_done += bytes_read;
8195 if (verbose > 1 && rc == 0) {
8196 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
8197 PEXT(&chunk->chunk));
8198 for (i = 0; i < chunk->mirror_count; i++)
8199 fprintf(stdout, " %u", chunk->mirror_id[i]);
8200 fprintf(stdout, " PASS\n\n");
8209 * lfs_mirror_verify_file() - Verify a mirrored file.
8210 * @fname: Mirrored file name.
8211 * @mirror_ids: Specified mirror ids to be verified.
8212 * @ids_nr: Number of specified mirror ids.
8213 * @verbose: Verbose mode.
8215 * This function verifies that each SYNC mirror of a mirrored file
8216 * specified by @fname contains exactly the same data.
8218 * If @mirror_ids is specified, then the function will verify the
8219 * mirrors specified by @mirror_ids contain exactly the same data.
8221 * If @verbose is specified, then the function will print where the
8222 * differences are if the data do not match. Otherwise, it will
8223 * just return an error in that case.
8225 * Return: 0 on success or a negative error code on failure.
8228 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
8231 struct verify_chunk chunks_array[1024] = { };
8232 struct llapi_layout *layout = NULL;
8236 int chunk_count = 0;
8242 if (stat(fname, &stbuf) < 0) {
8243 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8244 progname, fname, strerror(errno));
8249 if (!S_ISREG(stbuf.st_mode)) {
8250 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8256 if (stbuf.st_size == 0) {
8258 fprintf(stdout, "%s: '%s' file size is 0.\n",
8264 fd = open(fname, O_DIRECT | O_RDONLY);
8266 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8267 progname, fname, strerror(errno));
8272 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
8274 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
8275 progname, fname, strerror(errno));
8279 layout = llapi_layout_get_by_fd(fd, 0);
8280 if (layout == NULL) {
8281 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8282 progname, fname, strerror(errno));
8284 llapi_lease_release(fd);
8288 rc = llapi_layout_flags_get(layout, &flr_state);
8290 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8291 progname, fname, strerror(errno));
8296 flr_state &= LCM_FL_FLR_MASK;
8297 switch (flr_state) {
8300 fprintf(stderr, "%s: '%s' file state error: %s.\n",
8301 progname, fname, llapi_layout_flags_string(flr_state));
8307 /* find out mirror chunks to be verified */
8308 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
8309 ARRAY_SIZE(chunks_array));
8310 if (chunk_count < 0) {
8316 /* filter specified mirror ids */
8317 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
8320 print_chunks(fname, chunks_array, chunk_count);
8322 for (idx = 0; idx < chunk_count; idx++) {
8323 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
8326 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
8328 PEXT(&chunks_array[idx].chunk),
8329 (unsigned long long)stbuf.st_size);
8333 if (chunks_array[idx].mirror_count == 0) {
8335 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
8337 PEXT(&chunks_array[idx].chunk));
8339 fprintf(stderr, "skipped\n");
8343 fprintf(stderr, "failed\n");
8347 if (chunks_array[idx].mirror_count == 1) {
8350 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
8352 PEXT(&chunks_array[idx].chunk),
8353 chunks_array[idx].mirror_id[0]);
8357 rc = llapi_lease_check(fd);
8358 if (rc != LL_LEASE_RDLCK) {
8359 fprintf(stderr, "%s: '%s' lost lease lock.\n",
8364 /* verify one chunk */
8365 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
8366 &chunks_array[idx], verbose);
8380 llapi_layout_free(layout);
8381 llapi_lease_release(fd);
8389 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
8390 * @argc: The count of lfs mirror verify command line arguments.
8391 * @argv: Array of strings for lfs mirror verify command line arguments.
8393 * This function parses lfs mirror verify command and verifies the
8394 * specified mirrored file(s).
8396 * Return: 0 on success or a negative error code on failure.
8398 static inline int lfs_mirror_verify(int argc, char **argv)
8400 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
8408 struct option long_opts[] = {
8409 { .val = 'o', .name = "only", .has_arg = required_argument },
8410 { .val = 'v', .name = "verbose", .has_arg = no_argument },
8413 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
8415 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
8418 rc = parse_mirror_ids(mirror_ids,
8419 ARRAY_SIZE(mirror_ids),
8423 "%s: bad mirror ids '%s'.\n",
8430 "%s: at least 2 mirror ids needed with '--only' option.\n",
8440 fprintf(stderr, "%s: options '%s' unrecognized.\n",
8441 progname, argv[optind - 1]);
8447 if (argc == optind) {
8448 fprintf(stderr, "%s: no file name given.\n", progname);
8453 if (ids_nr > 0 && argc > optind + 1) {
8455 "%s: '--only' cannot be used upon multiple files.\n",
8463 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
8469 for (; optind < argc; optind++) {
8470 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
8480 * lfs_mirror() - Parse and execute lfs mirror commands.
8481 * @argc: The count of lfs mirror command line arguments.
8482 * @argv: Array of strings for lfs mirror command line arguments.
8484 * This function parses lfs mirror commands and performs the
8485 * corresponding functions specified in mirror_cmdlist[].
8487 * Return: 0 on success or an error code on failure.
8489 static int lfs_mirror(int argc, char **argv)
8496 Parser_init("lfs-mirror > ", mirror_cmdlist);
8498 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
8500 program_invocation_short_name = cmd;
8502 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
8504 rc = Parser_commands();
8506 return rc < 0 ? -rc : rc;
8510 * lfs_mirror_list_commands() - List lfs mirror commands.
8511 * @argc: The count of command line arguments.
8512 * @argv: Array of strings for command line arguments.
8514 * This function lists lfs mirror commands defined in mirror_cmdlist[].
8516 * Return: 0 on success.
8518 static int lfs_mirror_list_commands(int argc, char **argv)
8520 char buffer[81] = "";
8522 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
8528 static int lfs_list_commands(int argc, char **argv)
8530 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
8532 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
8537 int main(int argc, char **argv)
8541 /* Ensure that liblustreapi constructor has run */
8542 if (!llapi_liblustreapi_initialized())
8543 fprintf(stderr, "liblustreapi was not properly initialized\n");
8548 Parser_init("lfs > ", cmdlist);
8550 progname = program_invocation_short_name; /* Used in error messages */
8552 llapi_set_command_name(argv[1]);
8553 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
8554 llapi_clear_command_name();
8556 rc = Parser_commands();
8559 return rc < 0 ? -rc : rc;
8562 #ifdef _LUSTRE_IDL_H_
8563 /* Everything we need here should be included by lustreapi.h. */
8564 # error "lfs should not depend on lustre_idl.h"
8565 #endif /* _LUSTRE_IDL_H_ */