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>
61 #include <sys/xattr.h>
68 #include <asm/byteorder.h>
69 #include "lfs_project.h"
71 #include <libcfs/util/string.h>
72 #include <libcfs/util/ioctl.h>
73 #include <libcfs/util/parser.h>
74 #include <lustre/lustreapi.h>
75 #include <linux/lustre/lustre_ver.h>
76 #include <linux/lustre/lustre_param.h>
77 #include <linux/lnet/nidstr.h>
81 # define ARRAY_SIZE(a) ((sizeof(a)) / (sizeof((a)[0])))
82 #endif /* !ARRAY_SIZE */
85 static int lfs_find(int argc, char **argv);
86 static int lfs_getstripe(int argc, char **argv);
87 static int lfs_getdirstripe(int argc, char **argv);
88 static int lfs_setdirstripe(int argc, char **argv);
89 static int lfs_rmentry(int argc, char **argv);
90 static int lfs_osts(int argc, char **argv);
91 static int lfs_mdts(int argc, char **argv);
92 static int lfs_df(int argc, char **argv);
93 static int lfs_getname(int argc, char **argv);
94 static int lfs_check(int argc, char **argv);
95 #ifdef HAVE_SYS_QUOTA_H
96 static int lfs_setquota(int argc, char **argv);
97 static int lfs_quota(int argc, char **argv);
98 static int lfs_project(int argc, char **argv);
100 static int lfs_flushctx(int argc, char **argv);
101 static int lfs_cp(int argc, char **argv);
102 static int lfs_ls(int argc, char **argv);
103 static int lfs_poollist(int argc, char **argv);
104 static int lfs_changelog(int argc, char **argv);
105 static int lfs_changelog_clear(int argc, char **argv);
106 static int lfs_fid2path(int argc, char **argv);
107 static int lfs_path2fid(int argc, char **argv);
108 static int lfs_data_version(int argc, char **argv);
109 static int lfs_hsm_state(int argc, char **argv);
110 static int lfs_hsm_set(int argc, char **argv);
111 static int lfs_hsm_clear(int argc, char **argv);
112 static int lfs_hsm_action(int argc, char **argv);
113 static int lfs_hsm_archive(int argc, char **argv);
114 static int lfs_hsm_restore(int argc, char **argv);
115 static int lfs_hsm_release(int argc, char **argv);
116 static int lfs_hsm_remove(int argc, char **argv);
117 static int lfs_hsm_cancel(int argc, char **argv);
118 static int lfs_swap_layouts(int argc, char **argv);
119 static int lfs_mv(int argc, char **argv);
120 static int lfs_ladvise(int argc, char **argv);
121 static int lfs_getsom(int argc, char **argv);
122 static int lfs_mirror(int argc, char **argv);
123 static int lfs_mirror_list_commands(int argc, char **argv);
124 static int lfs_list_commands(int argc, char **argv);
125 static inline int lfs_mirror_resync(int argc, char **argv);
126 static inline int lfs_mirror_verify(int argc, char **argv);
127 static inline int lfs_mirror_read(int argc, char **argv);
128 static inline int lfs_mirror_write(int argc, char **argv);
130 enum setstripe_origin {
138 static int lfs_setstripe_internal(int argc, char **argv,
139 enum setstripe_origin opc);
141 static inline int lfs_setstripe(int argc, char **argv)
143 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
145 static inline int lfs_setstripe_migrate(int argc, char **argv)
147 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
149 static inline int lfs_mirror_create(int argc, char **argv)
151 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
153 static inline int lfs_mirror_extend(int argc, char **argv)
155 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
157 static inline int lfs_mirror_split(int argc, char **argv)
159 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
162 /* Setstripe and migrate share mostly the same parameters */
163 #define SSM_CMD_COMMON(cmd) \
164 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
165 " [--stripe-count|-c <stripe_count>]\n" \
166 " [--stripe-index|-i <start_ost_idx>]\n" \
167 " [--stripe-size|-S <stripe_size>]\n" \
168 " [--layout|-L <pattern>]\n" \
169 " [--pool|-p <pool_name>]\n" \
170 " [--ost|-o <ost_indices>]\n" \
171 " [--yaml|-y <yaml_template_file>]\n" \
172 " [--copy=<lustre_src>]\n"
174 #define SSM_HELP_COMMON \
175 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
176 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
177 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
178 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
179 "\t respectively)\n" \
180 "\tpool_name: Name of OST pool to use (default none)\n" \
181 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
182 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
183 "\t Indices be specified in a format of:\n" \
184 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
186 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
187 "\t If --pool is set with --ost, then the OSTs\n" \
188 "\t must be the members of the pool.\n" \
189 "\tcomp_end: Extent end of component, start after previous end.\n"\
190 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
191 "\t respectively, -1 for EOF). Must be a multiple of\n"\
192 "\t stripe_size.\n" \
193 "\tyaml_template_file:\n" \
194 "\t YAML layout template file, can't be used with -c,\n" \
195 "\t -i, -S, -p, -o, or -E arguments.\n" \
196 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
197 "\t another lustre file or directory, can't used with\n" \
198 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
200 #define MIRROR_CREATE_HELP \
201 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
202 "\t setstripe layout options\n" \
203 "\t It defaults to 1 if not specified; if specified,\n" \
204 "\t it must follow the option without a space.\n" \
205 "\t The option can also be repeated multiple times to\n" \
206 "\t separate mirrors that have different layouts.\n" \
207 "\tsetstripe options: Mirror layout\n" \
208 "\t It can be a plain layout or a composite layout.\n" \
209 "\t If not specified, the stripe options inherited\n" \
210 "\t from the previous component will be used.\n" \
211 "\tflags: set flags to the component of the current mirror.\n" \
212 "\t Only \"prefer\" flag is supported so far.\n"
214 #define MIRROR_EXTEND_HELP \
216 "\tvictim_file: The layout of victim_file will be split and used\n" \
217 "\t as a mirror added to the mirrored file.\n" \
218 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
219 "\t from victim file(s) in case the victim file(s)\n" \
220 "\t contains the same data as the original mirrored\n" \
223 #define MIRROR_EXTEND_USAGE \
224 " <--mirror-count|-N[mirror_count]>\n" \
225 " [setstripe options|-f <victim_file>]\n" \
228 #define SETSTRIPE_USAGE \
229 SSM_CMD_COMMON("setstripe") \
230 MIRROR_EXTEND_USAGE \
231 " <directory|filename>\n" \
235 #define MIGRATE_USAGE \
236 SSM_CMD_COMMON("migrate ") \
237 " [--block|-b] [--non-block|-n]\n" \
238 " [--non-direct|-D] [--verbose|-v]\n" \
242 "\tblock: Block file access during data migration (default)\n" \
243 "\tnon-block: Abort migrations if concurrent access is detected\n" \
244 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
245 "\tverbose: Print each filename as it is migrated\n" \
247 #define SETDIRSTRIPE_USAGE \
248 " [--mdt-count|-c stripe_count>\n" \
249 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
250 " [--mdt-hash|-H mdt_hash]\n" \
251 " [--default|-D] [--mode|-m mode] <dir>\n" \
252 "\tstripe_count: stripe count of the striped directory\n" \
253 "\tmdt_index: MDT index of first stripe\n" \
254 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
255 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
256 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
257 "\tdefault_stripe: set default dirstripe of the directory\n" \
258 "\tmode: the mode of the directory\n"
261 * command_t mirror_cmdlist - lfs mirror commands.
263 command_t mirror_cmdlist[] = {
264 { .pc_name = "create", .pc_func = lfs_mirror_create,
265 .pc_help = "Create a mirrored file.\n"
266 "usage: lfs mirror create "
267 "<--mirror-count|-N[mirror_count]> "
268 "[setstripe options] ... <filename|directory>\n"
269 MIRROR_CREATE_HELP },
270 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
271 .pc_help = "Extend a mirrored file.\n"
272 "usage: lfs mirror extend "
273 "<--mirror-count|-N[mirror_count]> [--no-verify] "
274 "[setstripe options|-f <victim_file>] ... <filename>\n"
275 MIRROR_EXTEND_HELP },
276 { .pc_name = "split", .pc_func = lfs_mirror_split,
277 .pc_help = "Split a mirrored file.\n"
278 "usage: lfs mirror split <--mirror-id <mirror_id> | \n"
279 "\t <--component-id|-I <comp_id>> [--destroy|-d] \n"
280 "\t [-f <new_file>] <mirrored file>\n"
281 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
282 "\t can be fetched by lfs getstripe command.\n"
283 "\tcomp_id: Unique component ID within a mirror.\n"
284 "\tnew_file: This option indicates the layout of the split\n"
285 "\t mirror will be stored into. If not specified,\n"
286 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
287 "\t will be used.\n" },
288 { .pc_name = "read", .pc_func = lfs_mirror_read,
289 .pc_help = "Read the content of a specified mirror of a file.\n"
290 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
291 "[--outfile|-o <output_file>] <mirrored_file>\n" },
292 { .pc_name = "write", .pc_func = lfs_mirror_write,
293 .pc_help = "Write to a specified mirror of a file.\n"
294 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
295 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
296 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
297 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
298 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
299 "<mirrored file> [<mirrored file2>...]\n"},
300 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
301 .pc_help = "Verify mirrored file(s).\n"
302 "usage: lfs mirror verify "
303 "[--only <mirror_id,mirror_id2[,...]>] "
304 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
305 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
306 .pc_help = "list commands supported by lfs mirror"},
307 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
308 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
309 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
313 /* all available commands */
314 command_t cmdlist[] = {
315 {"setstripe", lfs_setstripe, 0,
316 "To create a file with specified striping/composite layout, or\n"
317 "create/replace the default layout on an existing directory:\n"
318 SSM_CMD_COMMON("setstripe")
319 " <directory|filename>\n"
321 "To add component(s) to an existing composite file:\n"
322 SSM_CMD_COMMON("setstripe --component-add")
324 "To totally delete the default striping from an existing directory:\n"
325 "usage: setstripe -d <directory>\n"
327 "To create a mirrored file or set s default mirror layout on a directory:\n"
328 "usage: setstripe -N[mirror_count] [STRIPE_OPTIONS] <directory|filename>\n"
330 "To delete the last component(s) from an existing composite file\n"
331 "(note that this will also delete any data in those components):\n"
332 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
333 " [--component-flags|-F <comp_flags>]\n"
335 "\tcomp_id: Unique component ID to delete\n"
336 "\tcomp_flags: 'init' indicating all instantiated components\n"
337 "\t '^init' indicating all uninstantiated components\n"
338 "\t-I and -F cannot be specified at the same time\n"},
339 {"getstripe", lfs_getstripe, 0,
340 "To list the layout pattern for a given file or files in a\n"
341 "directory or recursively for all files in a directory tree.\n"
342 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
343 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
344 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
345 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
346 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
347 " [--component-id[=comp_id]|-I[comp_id]]\n"
348 " [--component-flags[=comp_flags]]\n"
349 " [--component-count]\n"
350 " [--component-start[=[+-]comp_start]]\n"
351 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
352 " [[!] --mirror-index=[+-]<index> |\n"
353 " [!] --mirror-id=[+-]<id>]\n"
354 " <directory|filename> ..."},
355 {"setdirstripe", lfs_setdirstripe, 0,
356 "To create a striped directory on a specified MDT. This can only\n"
357 "be done on MDT0 with the right of administrator.\n"
358 "usage: setdirstripe [OPTION] <directory>\n"
360 {"getdirstripe", lfs_getdirstripe, 0,
361 "To list the layout pattern info for a given directory\n"
362 "or recursively for all directories in a directory tree.\n"
363 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
364 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
365 " [--recursive|-r] [--yaml|-y]\n"
366 " [--default|-D] <dir> ..."},
367 {"mkdir", lfs_setdirstripe, 0,
368 "To create a striped directory on a specified MDT. This can only\n"
369 "be done on MDT0 with the right of administrator.\n"
370 "usage: mkdir [OPTION] <directory>\n"
372 {"rm_entry", lfs_rmentry, 0,
373 "To remove the name entry of the remote directory. Note: This\n"
374 "command will only delete the name entry, i.e. the remote directory\n"
375 "will become inaccessable after this command. This can only be done\n"
376 "by the administrator\n"
377 "usage: rm_entry <dir>\n"},
378 {"pool_list", lfs_poollist, 0,
379 "List pools or pool OSTs\n"
380 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
381 {"find", lfs_find, 0,
382 "find files matching given attributes recursively in directory tree.\n"
383 "usage: find <directory|filename> ...\n"
384 " [[!] --atime|-A [+-]N] [[!] --ctime|-C [+-]N]\n"
385 " [[!] --mtime|-M [+-]N] [--maxdepth|-D N] [[!] --blocks|-b N]\n"
386 " [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
387 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
388 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
389 " [[!] --stripe-count|-c [+-]<stripes>]\n"
390 " [[!] --stripe-index|-i <index,...>]\n"
391 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
392 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
393 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
394 " [[!] --projid <projid>]\n"
395 " [[!] --layout|-L released,raid0,mdt]\n"
396 " [[!] --component-count [+-]<comp_cnt>]\n"
397 " [[!] --component-start [+-]N[kMGTPE]]\n"
398 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
399 " [[!] --component-flags <comp_flags>]\n"
400 " [[!] --mirror-count|-N [+-]<n>]\n"
401 " [[!] --mirror-state <[^]state>]\n"
402 " [[!] --mdt-count|-T [+-]<stripes>]\n"
403 " [[!] --mdt-hash|-H <hashtype>\n"
404 "\t !: used before an option indicates 'NOT' requested attribute\n"
405 "\t -: used before a value indicates less than requested value\n"
406 "\t +: used before a value indicates more than requested value\n"
407 "\thashtype: hash type of the striped directory.\n"
408 "\t fnv_1a_64 FNV-1a hash algorithm\n"
409 "\t all_char sum of characters % MDT_COUNT\n"},
410 {"check", lfs_check, 0,
411 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
412 "or all the servers (MGTs, MDTs and OSTs).\n"
413 "usage: check <mgts|osts|mdts|all>"},
414 {"osts", lfs_osts, 0, "list OSTs connected to client "
415 "[for specified path only]\n" "usage: osts [path]"},
416 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
417 "[for specified path only]\n" "usage: mdts [path]"},
419 "report filesystem disk space usage or inodes usage"
420 "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
421 "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
422 {"getname", lfs_getname, 0, "list instances and specified mount points "
423 "[for specified path only]\n"
424 "Usage: getname [-h]|[path ...] "},
425 #ifdef HAVE_SYS_QUOTA_H
426 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
427 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
428 " -b <block-softlimit> -B <block-hardlimit>\n"
429 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
430 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
431 " [--block-softlimit <block-softlimit>]\n"
432 " [--block-hardlimit <block-hardlimit>]\n"
433 " [--inode-softlimit <inode-softlimit>]\n"
434 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
435 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
436 " [--block-grace <block-grace>]\n"
437 " [--inode-grace <inode-grace>] <filesystem>\n"
438 " setquota <-U|-G|-P>\n"
439 " -b <block-softlimit> -B <block-hardlimit>\n"
440 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
441 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
442 " [--block-softlimit <block-softlimit>]\n"
443 " [--block-hardlimit <block-hardlimit>]\n"
444 " [--inode-softlimit <inode-softlimit>]\n"
445 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
446 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
448 " -b can be used instead of --block-softlimit/--block-grace\n"
449 " -B can be used instead of --block-hardlimit\n"
450 " -i can be used instead of --inode-softlimit/--inode-grace\n"
451 " -I can be used instead of --inode-hardlimit\n"
452 " -d can be used instead of --default\n\n"
453 "Note: The total quota space will be split into many qunits and\n"
454 " balanced over all server targets, the minimal qunit size is\n"
455 " 1M bytes for block space and 1K inodes for inode space.\n\n"
456 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
457 " Quota space rebalancing process will stop when this mininum\n"
458 " value is reached. As a result, quota exceeded can be returned\n"
459 " while many targets still have 1MB or 1K inodes of spare\n"
461 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
462 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
464 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
465 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
466 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
467 {"project", lfs_project, 0,
468 "Change or list project attribute for specified file or directory.\n"
469 "usage: project [-d|-r] <file|directory...>\n"
470 " list project ID and flags on file(s) or directories\n"
471 " project [-p id] [-s] [-r] <file|directory...>\n"
472 " set project ID and/or inherit flag for specified file(s) or directories\n"
473 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
474 " check project ID and flags on file(s) or directories, print outliers\n"
475 " project -C [-r] [-k] <file|directory...>\n"
476 " clear the project inherit flag and ID on the file or directory\n"
479 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
480 "usage: flushctx [-k] [mountpoint...]"},
482 "Remote user copy files and directories.\n"
483 "usage: cp [OPTION]... [-T] SOURCE DEST\n\tcp [OPTION]... SOURCE... DIRECTORY\n\tcp [OPTION]... -t DIRECTORY SOURCE..."},
485 "Remote user list directory contents.\n"
486 "usage: ls [OPTION]... [FILE]..."},
487 {"changelog", lfs_changelog, 0,
488 "Show the metadata changes on an MDT."
489 "\nusage: changelog <mdtname> [startrec [endrec]]"},
490 {"changelog_clear", lfs_changelog_clear, 0,
491 "Indicate that old changelog records up to <endrec> are no longer of "
492 "interest to consumer <id>, allowing the system to free up space.\n"
493 "An <endrec> of 0 means all records.\n"
494 "usage: changelog_clear <mdtname> <id> <endrec>"},
495 {"fid2path", lfs_fid2path, 0,
496 "Resolve the full path(s) for given FID(s). For a specific hardlink "
497 "specify link number <linkno>.\n"
498 /* "For a historical link name, specify changelog record <recno>.\n" */
499 "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
500 /* [ --rec <recno> ] */ },
501 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
502 "usage: path2fid [--parents] <path> ..."},
503 {"data_version", lfs_data_version, 0, "Display file data version for "
504 "a given path.\n" "usage: data_version -[n|r|w] <path>"},
505 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
506 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
507 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
508 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
509 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
510 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
512 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
513 "[--archived] [--lost] <file> ..."},
514 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
515 "given files.\n" "usage: hsm_action <file> ..."},
516 {"hsm_archive", lfs_hsm_archive, 0,
517 "Archive file to external storage.\n"
518 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
520 {"hsm_restore", lfs_hsm_restore, 0,
521 "Restore file from external storage.\n"
522 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
523 {"hsm_release", lfs_hsm_release, 0,
524 "Release files from Lustre.\n"
525 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
526 {"hsm_remove", lfs_hsm_remove, 0,
527 "Remove file copy from external storage.\n"
528 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
530 " (FILE [FILE ...] | "
531 "--mntpath MOUNTPATH FID [FID ...])\n"
533 "Note: To remove an archived copy of a file already deleted from a "
535 "--mntpath option and a list of FIDs must be specified"
537 {"hsm_cancel", lfs_hsm_cancel, 0,
538 "Cancel requests related to specified files.\n"
539 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
540 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
541 "usage: swap_layouts <path1> <path2>"},
542 {"migrate", lfs_setstripe_migrate, 0,
543 "migrate a directory between MDTs.\n"
544 "usage: migrate [--mdt|-m] <start_mdt_index>\n"
545 " [--mdt-count|-c] <stripe_count>\n"
546 " [--mdt-hash|-H] <hash_type>\n"
549 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
550 " it's the MDT index of first stripe\n"
551 "\tmdt_count: number of MDTs to stripe a directory over\n"
552 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
553 " fnv_1a_64 FNV-1a hash algorithm (default)\n"
554 " all_char sum of characters % MDT_COUNT\n"
556 "migrate file objects from one OST "
557 "layout\nto another (may be not safe with concurent writes).\n"
559 "[--stripe-count|-c] <stripe_count>\n"
560 " [--stripe-index|-i] <start_ost_index>\n"
561 " [--stripe-size|-S] <stripe_size>\n"
562 " [--pool|-p] <pool_name>\n"
563 " [--ost|-o] <ost_indices>\n"
565 " [--non-block|-n]\n"
566 " [--non-direct|-D]\n"
567 " <file|directory>\n"
568 "\tstripe_count: number of OSTs to stripe a file over\n"
569 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
570 "\tstripe_size: number of bytes to store before moving to the next OST\n"
571 "\tpool_name: name of the predefined pool of OSTs\n"
572 "\tost_indices: OSTs to stripe over, in order\n"
573 "\tblock: wait for the operation to return before continuing\n"
574 "\tnon-block: do not wait for the operation to return\n"
575 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
577 "To move directories between MDTs. This command is deprecated, "
578 "use \"migrate\" instead.\n"
579 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
581 {"ladvise", lfs_ladvise, 0,
582 "Provide servers with advice about access patterns for a file.\n"
583 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
584 " [--background|-b] [--unset|-u]\n\n"
585 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
586 " {[--mode|-m [READ,WRITE]}\n"
588 {"mirror", lfs_mirror, mirror_cmdlist,
589 "lfs commands used to manage files with mirrored components:\n"
590 "lfs mirror create - create a mirrored file or directory\n"
591 "lfs mirror extend - add mirror(s) to an existing file\n"
592 "lfs mirror split - split a mirror from an existing mirrored file\n"
593 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
594 "lfs mirror read - read a mirror content of a mirrored file\n"
595 "lfs mirror write - write to a mirror of a mirrored file\n"
596 "lfs mirror verify - verify mirrored file(s)\n"},
597 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
598 "usage: getsom [-s] [-b] [-f] <path>\n"
599 "\t-s: Only show the size value of the SOM data for a given file\n"
600 "\t-b: Only show the blocks value of the SOM data for a given file\n"
601 "\t-f: Only show the flags value of the SOM data for a given file\n"},
602 {"help", Parser_help, 0, "help"},
603 {"exit", Parser_quit, 0, "quit"},
604 {"quit", Parser_quit, 0, "quit"},
605 {"--version", Parser_version, 0,
606 "output build version of the utility and exit"},
607 {"--list-commands", lfs_list_commands, 0,
608 "list commands supported by the utility and exit"},
613 static int check_hashtype(const char *hashtype)
617 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
618 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
625 static const char *error_loc = "syserror";
628 MIGRATION_NONBLOCK = 0x0001,
629 MIGRATION_MIRROR = 0x0002,
630 MIGRATION_NONDIRECT = 0x0004,
631 MIGRATION_VERBOSE = 0x0008,
634 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
635 struct llapi_layout *layout);
638 migrate_open_files(const char *name, __u64 migration_flags,
639 const struct llapi_stripe_param *param,
640 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
647 char parent[PATH_MAX];
648 char volatile_file[PATH_MAX];
654 if (param == NULL && layout == NULL) {
655 error_loc = "layout information";
659 /* search for file directory pathname */
660 if (strlen(name) > sizeof(parent) - 1) {
661 error_loc = "source file name";
665 strncpy(parent, name, sizeof(parent));
666 ptr = strrchr(parent, '/');
668 if (getcwd(parent, sizeof(parent)) == NULL) {
669 error_loc = "getcwd";
673 if (ptr == parent) /* leading '/' */
678 /* open file, direct io */
679 /* even if the file is only read, WR mode is nedeed to allow
680 * layout swap on fd */
682 if (!(migration_flags & MIGRATION_NONDIRECT))
684 fd = open(name, rflags);
687 error_loc = "cannot open source file";
691 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
693 error_loc = "cannot get MDT index";
698 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
699 mode_t open_mode = S_IRUSR | S_IWUSR;
701 random_value = random();
702 rc = snprintf(volatile_file, sizeof(volatile_file),
703 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
704 mdt_index, random_value);
705 if (rc >= sizeof(volatile_file)) {
710 /* create, open a volatile file, use caching (ie no directio) */
712 fdv = llapi_file_open_param(volatile_file, open_flags,
715 fdv = lfs_component_create(volatile_file, open_flags,
717 } while (fdv < 0 && (rc = fdv) == -EEXIST);
720 error_loc = "cannot create volatile file";
724 /* In case the MDT does not support creation of volatile files
725 * we should try to unlink it. */
726 (void)unlink(volatile_file);
728 /* Not-owner (root?) special case.
729 * Need to set owner/group of volatile file like original.
730 * This will allow to pass related check during layout_swap.
735 error_loc = "cannot stat source file";
739 rc = fstat(fdv, &stv);
742 error_loc = "cannot stat volatile";
746 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
747 rc = fchown(fdv, st.st_uid, st.st_gid);
750 error_loc = "cannot change ownwership of volatile";
769 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
771 struct llapi_layout *layout;
772 size_t buf_size = 4 * 1024 * 1024;
781 layout = llapi_layout_get_by_fd(fd_src, 0);
782 if (layout != NULL) {
783 uint64_t stripe_size;
785 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
787 buf_size = stripe_size;
789 llapi_layout_free(layout);
792 /* Use a page-aligned buffer for direct I/O */
793 rc = posix_memalign(&buf, getpagesize(), buf_size);
798 /* read new data only if we have written all
799 * previously read data */
802 rc = check_file(fd_src);
807 rsize = read(fd_src, buf, buf_size);
819 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
838 static int migrate_copy_timestamps(int fd, int fdv)
842 if (fstat(fd, &st) == 0) {
843 struct timeval tv[2] = {
844 {.tv_sec = st.st_atime},
845 {.tv_sec = st.st_mtime}
848 return futimes(fdv, tv);
854 static int migrate_block(int fd, int fdv)
861 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
863 error_loc = "cannot get dataversion";
871 /* The grouplock blocks all concurrent accesses to the file.
872 * It has to be taken after llapi_get_data_version as it would
874 rc = llapi_group_lock(fd, gid);
876 error_loc = "cannot get group lock";
880 rc = migrate_copy_data(fd, fdv, NULL);
882 error_loc = "data copy failed";
886 /* Make sure we keep original atime/mtime values */
887 rc = migrate_copy_timestamps(fd, fdv);
889 error_loc = "timestamp copy failed";
894 * for a migration we need to check data version on file did
897 * Pass in gid=0 since we already own grouplock. */
898 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
899 SWAP_LAYOUTS_CHECK_DV1);
901 error_loc = "file changed";
904 error_loc = "cannot swap layout";
909 rc2 = llapi_group_unlock(fd, gid);
910 if (rc2 < 0 && rc == 0) {
911 error_loc = "unlock group lock";
919 * Internal helper for migrate_copy_data(). Check lease and report error if
922 * \param[in] fd File descriptor on which to check the lease.
924 * \retval 0 Migration can keep on going.
925 * \retval -errno Error occurred, abort migration.
927 static int check_lease(int fd)
931 rc = llapi_lease_check(fd);
933 return 0; /* llapi_check_lease returns > 0 on success. */
938 static int migrate_nonblock(int fd, int fdv)
944 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
946 error_loc = "cannot get data version";
950 rc = migrate_copy_data(fd, fdv, check_lease);
952 error_loc = "data copy failed";
956 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
958 error_loc = "cannot get data version";
964 error_loc = "source file changed";
968 /* Make sure we keep original atime/mtime values */
969 rc = migrate_copy_timestamps(fd, fdv);
971 error_loc = "timestamp copy failed";
978 static int lfs_component_set(char *fname, int comp_id,
979 __u32 flags, __u32 neg_flags)
982 __u32 flags_array[2];
987 ids[count] = comp_id;
988 flags_array[count] = flags;
993 ids[count] = comp_id;
994 flags_array[count] = neg_flags | LCME_FL_NEG;
998 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1001 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1002 progname, comp_id, fname, flags, neg_flags);
1007 static int lfs_component_del(char *fname, __u32 comp_id,
1008 __u32 flags, __u32 neg_flags)
1012 if (flags && neg_flags)
1015 if (!flags && neg_flags)
1016 flags = neg_flags | LCME_FL_NEG;
1018 if ((flags && comp_id) || (!flags && !comp_id))
1021 /* LCME_FL_INIT is the only supported flag in PFL */
1023 if (flags & ~LCME_KNOWN_FLAGS) {
1025 "%s setstripe: unknown flags %#x\n",
1029 } else if (comp_id > LCME_ID_MAX) {
1030 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1035 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1038 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1039 progname, comp_id, fname, strerror(errno));
1043 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1050 rc = llapi_layout_file_comp_add(fname, layout);
1052 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1053 fname, strerror(errno));
1057 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1058 struct llapi_layout *layout)
1066 fd = lstat(fname, &st);
1067 if (fd == 0 && S_ISDIR(st.st_mode))
1068 open_flags = O_DIRECTORY | O_RDONLY;
1070 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1072 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1073 S_ISDIR(st.st_mode) ?
1074 "set default composite layout for" :
1075 "create composite file",
1076 fname, strerror(errno));
1080 static int lfs_migrate(char *name, __u64 migration_flags,
1081 struct llapi_stripe_param *param,
1082 struct llapi_layout *layout)
1088 rc = migrate_open_files(name, migration_flags, param, layout,
1093 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1094 /* Blocking mode (forced if servers do not support file lease).
1095 * It is also the default mode, since we cannot distinguish
1096 * between a broken lease and a server that does not support
1097 * atomic swap/close (LU-6785) */
1098 rc = migrate_block(fd, fdv);
1102 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1104 error_loc = "cannot get lease";
1108 rc = migrate_nonblock(fd, fdv);
1110 llapi_lease_release(fd);
1114 /* Atomically put lease, swap layouts and close.
1115 * for a migration we need to check data version on file did
1117 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1119 error_loc = "cannot swap layout";
1131 fprintf(stderr, "error: %s: %s: %s: %s\n",
1132 progname, name, error_loc, strerror(-rc));
1133 else if (migration_flags & MIGRATION_VERBOSE)
1134 printf("%s\n", name);
1139 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1148 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1152 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1153 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1154 const char *comp_name = comp_flags_table[i].cfn_name;
1156 if (strcmp(name, comp_name) == 0) {
1157 *flags |= comp_flag;
1159 } else if (strncmp(name, "^", 1) == 0 &&
1160 strcmp(name + 1, comp_name) == 0) {
1161 *neg_flags |= comp_flag;
1166 llapi_printf(LLAPI_MSG_ERROR,
1167 "%s: component flag '%s' not supported\n",
1173 if (!*flags && !*neg_flags)
1176 /* don't allow to set and exclude the same flag */
1177 if (*flags & *neg_flags)
1183 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1191 if (strncmp(string, "^", 1) == 0) {
1192 *neg_state = llapi_layout_string_flags(string + 1);
1193 if (*neg_state != 0)
1196 *state = llapi_layout_string_flags(string);
1201 llapi_printf(LLAPI_MSG_ERROR,
1202 "%s: mirrored file state '%s' not supported\n",
1208 * struct mirror_args - Command-line arguments for mirror(s).
1209 * @m_count: Number of mirrors to be created with this layout.
1210 * @m_flags: Mirror level flags, only 'prefer' is supported.
1211 * @m_layout: Mirror layout.
1212 * @m_file: A victim file. Its layout will be split and used as a mirror.
1213 * @m_next: Point to the next node of the list.
1215 * Command-line arguments for mirror(s) will be parsed and stored in
1216 * a linked list that consists of this structure.
1218 struct mirror_args {
1221 struct llapi_layout *m_layout;
1223 struct mirror_args *m_next;
1226 static int mirror_sanity_check_flags(struct llapi_layout *layout, void *unused)
1231 rc = llapi_layout_comp_flags_get(layout, &flags);
1235 if (flags & LCME_FL_NEG) {
1236 fprintf(stderr, "error: %s: negative flags are not supported\n",
1241 if (flags & LCME_FL_STALE) {
1242 fprintf(stderr, "error: %s: setting '%s' is not supported\n",
1243 progname, comp_flags_table[LCME_FL_STALE].cfn_name);
1247 return LLAPI_LAYOUT_ITER_CONT;
1250 static inline int mirror_sanity_check_one(struct llapi_layout *layout)
1252 uint64_t start, end;
1256 /* LU-10112: do not support dom+flr in phase 1 */
1257 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
1261 rc = llapi_layout_pattern_get(layout, &pattern);
1265 if (pattern == LOV_PATTERN_MDT || pattern == LLAPI_LAYOUT_MDT) {
1266 fprintf(stderr, "error: %s: doesn't support dom+flr for now\n",
1271 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_LAST);
1275 rc = llapi_layout_comp_extent_get(layout, &start, &end);
1279 if (end != LUSTRE_EOF) {
1280 fprintf(stderr, "error: %s: mirror layout doesn't reach eof\n",
1285 rc = llapi_layout_comp_iterate(layout, mirror_sanity_check_flags, NULL);
1290 * enum mirror_flags - Flags for extending a mirrored file.
1291 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1292 * in case the victim file(s) contains the same data as the
1293 * original mirrored file.
1294 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1295 * @MF_COMP_ID: specified component id instead of mirror id
1297 * Flags for extending a mirrored file.
1306 * mirror_create_sanity_check() - Check mirror list.
1307 * @list: A linked list that stores the mirror arguments.
1309 * This function does a sanity check on @list for creating
1312 * Return: 0 on success or a negative error code on failure.
1314 static int mirror_create_sanity_check(const char *fname,
1315 struct mirror_args *list)
1318 bool has_m_file = false;
1319 bool has_m_layout = false;
1325 struct llapi_layout *layout;
1327 layout = llapi_layout_get_by_path(fname, 0);
1330 "error: %s: file '%s' couldn't get layout\n",
1335 rc = mirror_sanity_check_one(layout);
1336 llapi_layout_free(layout);
1342 while (list != NULL) {
1343 if (list->m_file != NULL) {
1345 llapi_layout_free(list->m_layout);
1348 llapi_layout_get_by_path(list->m_file, 0);
1349 if (list->m_layout == NULL) {
1351 "error: %s: file '%s' has no layout\n",
1352 progname, list->m_file);
1356 has_m_layout = true;
1357 if (list->m_layout == NULL) {
1358 fprintf(stderr, "error: %s: no mirror layout\n",
1364 rc = mirror_sanity_check_one(list->m_layout);
1368 list = list->m_next;
1371 if (has_m_file && has_m_layout) {
1373 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1381 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1383 __u32 mirror_flags = *(__u32 *)cbdata;
1387 rc = llapi_layout_comp_flags_get(layout, &flags);
1392 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1397 return LLAPI_LAYOUT_ITER_CONT;
1401 * mirror_create() - Create a mirrored file.
1402 * @fname: The file to be created.
1403 * @mirror_list: A linked list that stores the mirror arguments.
1405 * This function creates a mirrored file @fname with the mirror(s)
1406 * from @mirror_list.
1408 * Return: 0 on success or a negative error code on failure.
1410 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1412 struct llapi_layout *layout = NULL;
1413 struct mirror_args *cur_mirror = NULL;
1414 uint16_t mirror_count = 0;
1418 rc = mirror_create_sanity_check(NULL, mirror_list);
1422 cur_mirror = mirror_list;
1423 while (cur_mirror != NULL) {
1424 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1426 &cur_mirror->m_flags);
1429 fprintf(stderr, "%s: failed to set mirror flags\n",
1434 for (i = 0; i < cur_mirror->m_count; i++) {
1435 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1438 fprintf(stderr, "error: %s: "
1439 "merge layout failed: %s\n",
1440 progname, strerror(errno));
1444 mirror_count += cur_mirror->m_count;
1445 cur_mirror = cur_mirror->m_next;
1448 if (layout == NULL) {
1449 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1453 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1456 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1457 progname, strerror(errno));
1461 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1469 llapi_layout_free(layout);
1474 * Compare files and check lease on @fd.
1476 * \retval bytes number of bytes are the same
1478 static ssize_t mirror_file_compare(int fd, int fdv)
1480 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1482 ssize_t bytes_done = 0;
1483 ssize_t bytes_read = 0;
1485 buf = malloc(buflen * 2);
1490 if (!llapi_lease_check(fd)) {
1491 bytes_done = -EBUSY;
1495 bytes_read = read(fd, buf, buflen);
1496 if (bytes_read <= 0)
1499 if (bytes_read != read(fdv, buf + buflen, buflen))
1502 /* XXX: should compute the checksum on each buffer and then
1503 * compare checksum to avoid cache collision */
1504 if (memcmp(buf, buf + buflen, bytes_read))
1507 bytes_done += bytes_read;
1515 static int mirror_extend_file(const char *fname, const char *victim_file,
1516 enum mirror_flags mirror_flags)
1521 struct stat stbuf_v;
1522 struct ll_ioc_lease *data = NULL;
1525 fd = open(fname, O_RDWR);
1527 error_loc = "open source file";
1532 fdv = open(victim_file, O_RDWR);
1534 error_loc = "open target file";
1539 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1540 error_loc = "stat source or target file";
1545 if (stbuf.st_dev != stbuf_v.st_dev) {
1546 error_loc = "stat source and target file";
1551 /* mirrors should be of the same size */
1552 if (stbuf.st_size != stbuf_v.st_size) {
1553 error_loc = "file sizes don't match";
1558 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1560 error_loc = "cannot get lease";
1564 if (!(mirror_flags & MF_NO_VERIFY)) {
1566 /* mirrors should have the same contents */
1567 ret = mirror_file_compare(fd, fdv);
1568 if (ret != stbuf.st_size) {
1569 error_loc = "file busy or contents don't match";
1570 rc = ret < 0 ? ret : -EINVAL;
1575 /* Get rid of caching pages from clients */
1576 rc = llapi_file_flush(fd);
1578 error_loc = "cannot get data version";
1582 rc = llapi_file_flush(fdv);
1584 error_loc = "cannot get data version";
1589 /* Make sure we keep original atime/mtime values */
1590 rc = migrate_copy_timestamps(fd, fdv);
1592 error_loc = "cannot copy timestamp";
1596 /* Atomically put lease, merge layouts and close. */
1597 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1599 error_loc = "memory allocation";
1602 data->lil_mode = LL_LEASE_UNLCK;
1603 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1604 data->lil_count = 1;
1605 data->lil_ids[0] = fdv;
1606 rc = llapi_lease_set(fd, data);
1608 error_loc = "cannot merge layout";
1610 } else if (rc == 0) {
1612 error_loc = "lost lease lock";
1625 (void) unlink(victim_file);
1627 fprintf(stderr, "error: %s: %s: %s: %s\n",
1628 progname, fname, error_loc, strerror(-rc));
1632 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1634 struct ll_ioc_lease *data = NULL;
1639 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1643 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1645 error_loc = "cannot get lease";
1649 rc = migrate_nonblock(fd, fdv);
1651 llapi_lease_release(fd);
1655 /* Atomically put lease, merge layouts and close. */
1656 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1658 error_loc = "memory allocation";
1661 data->lil_mode = LL_LEASE_UNLCK;
1662 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1663 data->lil_count = 1;
1664 data->lil_ids[0] = fdv;
1665 rc = llapi_lease_set(fd, data);
1667 error_loc = "cannot merge layout";
1669 } else if (rc == 0) {
1671 error_loc = "lost lease lock";
1684 fprintf(stderr, "error: %s: %s: %s: %s\n",
1685 progname, name, error_loc, strerror(-rc));
1689 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1690 enum mirror_flags mirror_flags)
1694 rc = mirror_create_sanity_check(fname, mirror_list);
1698 while (mirror_list) {
1699 if (mirror_list->m_file != NULL) {
1700 rc = mirror_extend_file(fname, mirror_list->m_file,
1703 __u32 mirror_count = mirror_list->m_count;
1705 while (mirror_count > 0) {
1706 rc = mirror_extend_layout(fname,
1707 mirror_list->m_layout);
1717 mirror_list = mirror_list->m_next;
1723 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1728 rc = llapi_layout_mirror_id_get(layout, &id);
1732 if ((__u16)id == *(__u16 *)cbdata)
1733 return LLAPI_LAYOUT_ITER_STOP;
1735 return LLAPI_LAYOUT_ITER_CONT;
1738 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1743 rc = llapi_layout_comp_id_get(layout, &id);
1747 if (id == *(__u32 *)cbdata)
1748 return LLAPI_LAYOUT_ITER_STOP;
1750 return LLAPI_LAYOUT_ITER_CONT;
1752 static int mirror_split(const char *fname, __u32 id,
1753 enum mirror_flags mflags, const char *victim_file)
1755 struct llapi_layout *layout;
1756 char parent[PATH_MAX];
1757 char victim[PATH_MAX];
1758 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1760 struct ll_ioc_lease *data;
1761 uint16_t mirror_count;
1766 /* check fname contains mirror with mirror_id/comp_id */
1767 layout = llapi_layout_get_by_path(fname, 0);
1770 "error %s: file '%s' couldn't get layout\n",
1775 rc = mirror_sanity_check_one(layout);
1779 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1782 "error %s: file '%s' couldn't get mirror count\n",
1786 if (mirror_count < 2) {
1788 "error %s: file '%s' has %d component, cannot split\n",
1789 progname, fname, mirror_count);
1793 if (mflags & MF_COMP_ID) {
1794 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1795 id = mirror_id_of(id);
1797 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
1800 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
1803 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
1805 "error %s: file '%s' does not contain mirror with id %u\n",
1806 progname, fname, id);
1810 fd = open(fname, O_RDWR);
1813 "error %s: open file '%s' failed: %s\n",
1814 progname, fname, strerror(errno));
1818 /* get victim file directory pathname */
1819 if (strlen(fname) > sizeof(parent) - 1) {
1820 fprintf(stderr, "error %s: file name of '%s' too long\n",
1825 strncpy(parent, fname, sizeof(parent));
1826 ptr = strrchr(parent, '/');
1828 if (getcwd(parent, sizeof(parent)) == NULL) {
1829 fprintf(stderr, "error %s: getcwd failed: %s\n",
1830 progname, strerror(errno));
1840 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
1842 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
1847 if (victim_file == NULL) {
1848 /* use a temp file to store the splitted layout */
1849 if (mflags & MF_DESTROY) {
1850 fdv = llapi_create_volatile_idx(parent, mdt_index,
1851 O_LOV_DELAY_CREATE);
1853 snprintf(victim, sizeof(victim), "%s.mirror~%u",
1855 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
1858 /* user specified victim file */
1859 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
1864 "error %s: create victim file failed: %s\n",
1865 progname, strerror(errno));
1869 /* get lease lock of fname */
1870 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
1873 "error %s: cannot get lease of file '%s': %d\n",
1874 progname, fname, rc);
1878 /* Atomatically put lease, split layouts and close. */
1879 data = malloc(offsetof(typeof(*data), lil_ids[2]));
1885 data->lil_mode = LL_LEASE_UNLCK;
1886 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
1887 data->lil_count = 2;
1888 data->lil_ids[0] = fdv;
1889 data->lil_ids[1] = id;
1890 rc = llapi_lease_set(fd, data);
1892 if (rc == 0) /* lost lease lock */
1895 "error %s: cannot split '%s': %s\n",
1896 progname, fname, strerror(-rc));
1907 llapi_layout_free(layout);
1912 * Parse a string containing an target index list into an array of integers.
1914 * The input string contains a comma delimited list of individual
1915 * indices and ranges, for example "1,2-4,7". Add the indices into the
1916 * \a tgts array and remove duplicates.
1918 * \param[out] tgts array to store indices in
1919 * \param[in] size size of \a tgts array
1920 * \param[in] offset starting index in \a tgts
1921 * \param[in] arg string containing OST index list
1923 * \retval positive number of indices in \a tgts
1924 * \retval -EINVAL unable to parse \a arg
1926 static int parse_targets(__u32 *tgts, int size, int offset, char *arg)
1930 int slots = size - offset;
1937 end_of_loop = false;
1938 while (!end_of_loop) {
1942 char *endptr = NULL;
1946 ptr = strchrnul(arg, ',');
1948 end_of_loop = *ptr == '\0';
1951 start_index = strtol(arg, &endptr, 0);
1952 if (endptr == arg) /* no data at all */
1954 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
1957 end_index = start_index;
1958 if (*endptr == '-') {
1959 end_index = strtol(endptr + 1, &endptr, 0);
1960 if (*endptr != '\0')
1962 if (end_index < start_index)
1966 for (i = start_index; i <= end_index && slots > 0; i++) {
1969 /* remove duplicate */
1970 for (j = 0; j < offset; j++) {
1974 if (j == offset) { /* no duplicate */
1979 if (slots == 0 && i < end_index)
1987 if (!end_of_loop && ptr != NULL)
1990 return rc < 0 ? rc : nr;
1993 struct lfs_setstripe_args {
1994 unsigned long long lsa_comp_end;
1995 unsigned long long lsa_stripe_size;
1996 long long lsa_stripe_count;
1997 long long lsa_stripe_off;
1998 __u32 lsa_comp_flags;
1999 __u32 lsa_comp_neg_flags;
2000 unsigned long long lsa_pattern;
2001 unsigned int lsa_mirror_count;
2003 bool lsa_first_comp;
2005 char *lsa_pool_name;
2008 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2010 unsigned int mirror_count = lsa->lsa_mirror_count;
2011 bool first_comp = lsa->lsa_first_comp;
2013 memset(lsa, 0, sizeof(*lsa));
2015 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2016 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2017 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2018 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2019 lsa->lsa_pool_name = NULL;
2021 lsa->lsa_mirror_count = mirror_count;
2022 lsa->lsa_first_comp = first_comp;
2026 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2027 * @lsa: Stripe options to be initialized and inherited.
2029 * This function initializes stripe options in @lsa and inherit
2030 * stripe_size, stripe_count and OST pool_name options.
2034 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2036 unsigned long long stripe_size;
2037 long long stripe_count;
2038 char *pool_name = NULL;
2040 stripe_size = lsa->lsa_stripe_size;
2041 stripe_count = lsa->lsa_stripe_count;
2042 pool_name = lsa->lsa_pool_name;
2044 setstripe_args_init(lsa);
2046 lsa->lsa_stripe_size = stripe_size;
2047 lsa->lsa_stripe_count = stripe_count;
2048 lsa->lsa_pool_name = pool_name;
2051 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2053 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2054 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2055 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2056 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2057 lsa->lsa_pool_name != NULL ||
2058 lsa->lsa_comp_end != 0);
2062 * comp_args_to_layout() - Create or extend a composite layout.
2063 * @composite: Pointer to the composite layout.
2064 * @lsa: Stripe options for the new component.
2066 * This function creates or extends a composite layout by adding a new
2067 * component with stripe options from @lsa.
2069 * Return: 0 on success or an error code on failure.
2071 static int comp_args_to_layout(struct llapi_layout **composite,
2072 struct lfs_setstripe_args *lsa,
2075 struct llapi_layout *layout = *composite;
2076 uint64_t prev_end = 0;
2079 if (layout == NULL) {
2080 layout = llapi_layout_alloc();
2081 if (layout == NULL) {
2082 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2086 *composite = layout;
2090 /* Get current component extent, current component
2091 * must be the tail component. */
2092 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2094 fprintf(stderr, "Get comp extent failed. %s\n",
2099 if (lsa->lsa_first_comp)
2102 if (lsa->lsa_first_comp)
2103 rc = llapi_layout_add_first_comp(layout);
2105 rc = llapi_layout_comp_add(layout);
2107 fprintf(stderr, "Add component failed. %s\n",
2112 /* reset lsa_first_comp */
2113 lsa->lsa_first_comp = false;
2116 rc = llapi_layout_comp_extent_set(layout, prev_end,
2119 fprintf(stderr, "Set extent [%lu, %llu) failed. %s\n",
2120 prev_end, lsa->lsa_comp_end, strerror(errno));
2125 /* Data-on-MDT component setting */
2126 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2127 /* In case of Data-on-MDT patterns the only extra option
2128 * applicable is stripe size option. */
2129 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2130 fprintf(stderr, "Option 'stripe-count' can't be "
2131 "specified with Data-on-MDT component: %lld\n",
2132 lsa->lsa_stripe_count);
2135 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2136 fprintf(stderr, "Option 'stripe-size' can't be "
2137 "specified with Data-on-MDT component: %llu\n",
2138 lsa->lsa_stripe_size);
2141 if (lsa->lsa_nr_tgts != 0) {
2142 fprintf(stderr, "Option 'ost-list' can't be specified "
2143 "with Data-on-MDT component: '%i'\n",
2147 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2148 fprintf(stderr, "Option 'stripe-offset' can't be "
2149 "specified with Data-on-MDT component: %lld\n",
2150 lsa->lsa_stripe_off);
2153 if (lsa->lsa_pool_name != 0) {
2154 fprintf(stderr, "Option 'pool' can't be specified "
2155 "with Data-on-MDT component: '%s'\n",
2156 lsa->lsa_pool_name);
2160 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2162 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2163 lsa->lsa_pattern, strerror(errno));
2166 /* Data-on-MDT component has always single stripe up to end */
2167 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2170 rc = llapi_layout_stripe_size_set(layout, lsa->lsa_stripe_size);
2172 fprintf(stderr, "Set stripe size %llu failed: %s\n",
2173 lsa->lsa_stripe_size, strerror(errno));
2177 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2179 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2180 lsa->lsa_stripe_count, strerror(errno));
2184 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2186 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2187 lsa->lsa_comp_flags, strerror(errno));
2191 if (lsa->lsa_pool_name != NULL) {
2192 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2194 fprintf(stderr, "Set pool name: %s failed. %s\n",
2195 lsa->lsa_pool_name, strerror(errno));
2199 rc = llapi_layout_pool_name_set(layout, "");
2201 fprintf(stderr, "Clear pool name failed: %s\n",
2207 if (lsa->lsa_nr_tgts > 0) {
2208 if (lsa->lsa_stripe_count > 0 &&
2209 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2210 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2211 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2212 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2213 lsa->lsa_stripe_count, lsa->lsa_nr_tgts);
2216 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2217 rc = llapi_layout_ost_index_set(layout, i,
2222 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2223 lsa->lsa_stripe_off != -1) {
2224 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2227 fprintf(stderr, "Set ost index %d failed. %s\n",
2228 i, strerror(errno));
2235 static int build_component(struct llapi_layout **layout,
2236 struct lfs_setstripe_args *lsa, bool set_extent)
2240 rc = comp_args_to_layout(layout, lsa, set_extent);
2244 if (lsa->lsa_mirror_count > 0) {
2245 rc = llapi_layout_mirror_count_set(*layout,
2246 lsa->lsa_mirror_count);
2250 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2253 lsa->lsa_mirror_count = 0;
2259 static int build_layout_from_yaml_node(struct cYAML *node,
2260 struct llapi_layout **layout,
2261 struct lfs_setstripe_args *lsa,
2268 if (node->cy_type == CYAML_TYPE_OBJECT) {
2269 /* go deep to sub blocks */
2270 rc = build_layout_from_yaml_node(node->cy_child, layout,
2275 if (node->cy_string == NULL)
2278 string = node->cy_string;
2279 /* skip leading lmm_ if present, to simplify parsing */
2280 if (strncmp(string, "lmm_", 4) == 0)
2283 if (node->cy_type == CYAML_TYPE_STRING) {
2284 if (!strcmp(string, "lcme_extent.e_end")) {
2285 if (!strcmp(node->cy_valuestring, "EOF") ||
2286 !strcmp(node->cy_valuestring, "eof"))
2287 lsa->lsa_comp_end = LUSTRE_EOF;
2288 } else if (!strcmp(string, "pool")) {
2289 lsa->lsa_pool_name = node->cy_valuestring;
2290 } else if (!strcmp(string, "pattern")) {
2291 if (!strcmp(node->cy_valuestring, "mdt"))
2292 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2294 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2295 if (!strcmp(string, "lcm_mirror_count")) {
2296 lsa->lsa_mirror_count = node->cy_valueint;
2297 } else if (!strcmp(string, "lcme_extent.e_start")) {
2298 if (node->cy_valueint != 0 || *layout != NULL) {
2299 rc = build_component(layout, lsa, true);
2304 if (node->cy_valueint == 0)
2305 lsa->lsa_first_comp = true;
2307 /* initialize lsa */
2308 setstripe_args_init(lsa);
2309 lsa->lsa_tgts = osts;
2310 } else if (!strcmp(string, "lcme_extent.e_end")) {
2311 if (node->cy_valueint == -1)
2312 lsa->lsa_comp_end = LUSTRE_EOF;
2314 lsa->lsa_comp_end = node->cy_valueint;
2315 } else if (!strcmp(string, "stripe_count")) {
2316 lsa->lsa_stripe_count = node->cy_valueint;
2317 } else if (!strcmp(string, "stripe_size")) {
2318 lsa->lsa_stripe_size = node->cy_valueint;
2319 } else if (!strcmp(string, "stripe_offset")) {
2320 lsa->lsa_stripe_off = node->cy_valueint;
2321 } else if (!strcmp(string, "l_ost_idx")) {
2322 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2327 node = node->cy_next;
2333 static int lfs_comp_create_from_yaml(char *template,
2334 struct llapi_layout **layout,
2335 struct lfs_setstripe_args *lsa,
2338 struct cYAML *tree = NULL, *err_rc = NULL;
2341 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2343 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2344 progname, template);
2345 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2346 "can't parse", &err_rc);
2347 cYAML_print_tree2file(stderr, err_rc);
2348 cYAML_free_tree(err_rc);
2353 /* initialize lsa for plain file */
2354 setstripe_args_init(lsa);
2355 lsa->lsa_tgts = osts;
2357 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2359 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2360 progname, template);
2363 rc = build_component(layout, lsa, *layout != NULL);
2365 /* clean clean lsa */
2366 setstripe_args_init(lsa);
2370 cYAML_free_tree(tree);
2374 /* In 'lfs setstripe --component-add' mode, we need to fetch the extent
2375 * end of the last component in the existing file, and adjust the
2376 * first extent start of the components to be added accordingly. */
2377 static int adjust_first_extent(char *fname, struct llapi_layout *layout)
2379 struct llapi_layout *head;
2380 uint64_t start, end, stripe_size, prev_end = 0;
2383 if (layout == NULL) {
2385 "%s setstripe: layout must be specified\n",
2391 head = llapi_layout_get_by_path(fname, 0);
2394 "%s setstripe: cannot read layout from '%s': %s\n",
2395 progname, fname, strerror(errno));
2397 } else if (errno == ENODATA) {
2398 /* file without LOVEA, this component-add will be turned
2399 * into a component-create. */
2400 llapi_layout_free(head);
2402 } else if (!llapi_layout_is_composite(head)) {
2403 fprintf(stderr, "%s setstripe: '%s' not a composite file\n",
2405 llapi_layout_free(head);
2409 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2411 fprintf(stderr, "%s setstripe: cannot get prev extent: %s\n",
2412 progname, strerror(errno));
2413 llapi_layout_free(head);
2417 llapi_layout_free(head);
2419 /* Make sure we use the first component of the layout to be added. */
2420 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2423 "%s setstripe: cannot move component cursor: %s\n",
2424 progname, strerror(errno));
2428 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2430 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2431 progname, strerror(errno));
2435 if (start > prev_end || end <= prev_end) {
2437 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
2438 progname, start, end, prev_end);
2442 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
2444 fprintf(stderr, "%s setstripe: cannot get stripe size: %s\n",
2445 progname, strerror(errno));
2449 if (stripe_size != LLAPI_LAYOUT_DEFAULT &&
2450 (prev_end & (stripe_size - 1))) {
2452 "%s setstripe: stripe size %lu not aligned with %lu\n",
2453 progname, stripe_size, prev_end);
2457 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2460 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
2461 progname, prev_end, end, strerror(errno));
2468 static inline bool arg_is_eof(char *arg)
2470 return !strncmp(arg, "-1", strlen("-1")) ||
2471 !strncmp(arg, "EOF", strlen("EOF")) ||
2472 !strncmp(arg, "eof", strlen("eof"));
2476 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2478 * Return: Valid mirror_args pointer on success and
2479 * NULL if memory allocation fails.
2481 static struct mirror_args *lfs_mirror_alloc(void)
2483 struct mirror_args *mirror = NULL;
2486 mirror = calloc(1, sizeof(*mirror));
2497 * lfs_mirror_free() - Free memory allocated for a mirror argument
2499 * @mirror: Previously allocated mirror argument structure by
2500 * lfs_mirror_alloc().
2502 * Free memory allocated for @mirror.
2506 static void lfs_mirror_free(struct mirror_args *mirror)
2508 if (mirror->m_layout != NULL)
2509 llapi_layout_free(mirror->m_layout);
2514 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2515 * @mirror_list: Previously allocated mirror list.
2517 * Free memory allocated for @mirror_list.
2521 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2523 struct mirror_args *next_mirror = NULL;
2525 while (mirror_list != NULL) {
2526 next_mirror = mirror_list->m_next;
2527 lfs_mirror_free(mirror_list);
2528 mirror_list = next_mirror;
2540 LFS_COMP_NO_VERIFY_OPT,
2542 LFS_MIRROR_FLAGS_OPT,
2544 LFS_MIRROR_STATE_OPT,
2546 LFS_MIRROR_INDEX_OPT,
2550 static int lfs_setstripe_internal(int argc, char **argv,
2551 enum setstripe_origin opc)
2553 struct lfs_setstripe_args lsa = { 0 };
2554 struct llapi_stripe_param *param = NULL;
2555 struct find_param migrate_mdt_param = {
2565 unsigned long long size_units = 1;
2566 bool migrate_mode = false;
2567 bool migrate_mdt_mode = false;
2568 bool migration_block = false;
2569 __u64 migration_flags = 0;
2570 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
2571 int comp_del = 0, comp_set = 0;
2574 struct llapi_layout *layout = NULL;
2575 struct llapi_layout **lpp = &layout;
2576 bool mirror_mode = false;
2577 bool has_m_file = false;
2578 __u32 mirror_count = 0;
2579 enum mirror_flags mirror_flags = 0;
2580 struct mirror_args *mirror_list = NULL;
2581 struct mirror_args *new_mirror = NULL;
2582 struct mirror_args *last_mirror = NULL;
2583 __u16 mirror_id = 0;
2585 bool from_yaml = false;
2586 bool from_copy = false;
2587 char *template = NULL;
2589 struct option long_opts[] = {
2590 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
2591 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
2592 /* --block is only valid in migrate mode */
2593 { .val = 'b', .name = "block", .has_arg = no_argument },
2594 { .val = LFS_COMP_ADD_OPT,
2595 .name = "comp-add", .has_arg = no_argument },
2596 { .val = LFS_COMP_ADD_OPT,
2597 .name = "component-add", .has_arg = no_argument },
2598 { .val = LFS_COMP_DEL_OPT,
2599 .name = "comp-del", .has_arg = no_argument },
2600 { .val = LFS_COMP_DEL_OPT,
2601 .name = "component-del", .has_arg = no_argument },
2602 { .val = LFS_COMP_FLAGS_OPT,
2603 .name = "comp-flags", .has_arg = required_argument },
2604 { .val = LFS_COMP_FLAGS_OPT,
2605 .name = "component-flags",
2606 .has_arg = required_argument },
2607 { .val = LFS_COMP_SET_OPT,
2608 .name = "comp-set", .has_arg = no_argument },
2609 { .val = LFS_COMP_SET_OPT,
2610 .name = "component-set",
2611 .has_arg = no_argument},
2612 { .val = LFS_COMP_NO_VERIFY_OPT,
2613 .name = "no-verify", .has_arg = no_argument},
2614 { .val = LFS_MIRROR_FLAGS_OPT,
2615 .name = "flags", .has_arg = required_argument},
2616 { .val = LFS_MIRROR_ID_OPT,
2617 .name = "mirror-id", .has_arg = required_argument},
2618 { .val = LFS_LAYOUT_COPY,
2619 .name = "copy", .has_arg = required_argument},
2620 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
2621 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
2622 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
2623 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
2624 { .val = 'd', .name = "delete", .has_arg = no_argument},
2625 { .val = 'd', .name = "destroy", .has_arg = no_argument},
2626 /* --non-direct is only valid in migrate mode */
2627 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
2628 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
2629 { .val = 'E', .name = "component-end",
2630 .has_arg = required_argument},
2631 { .val = 'f', .name = "file", .has_arg = required_argument },
2632 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
2633 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
2634 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
2635 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
2636 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
2637 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
2638 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
2639 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
2640 { .val = 'I', .name = "component-id", .has_arg = required_argument},
2641 { .val = 'L', .name = "layout", .has_arg = required_argument },
2642 { .val = 'm', .name = "mdt", .has_arg = required_argument},
2643 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
2644 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
2645 /* --non-block is only valid in migrate mode */
2646 { .val = 'n', .name = "non-block", .has_arg = no_argument },
2647 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
2648 { .val = 'o', .name = "ost", .has_arg = required_argument },
2649 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2650 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
2651 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
2653 { .val = 'p', .name = "pool", .has_arg = required_argument },
2654 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
2655 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
2656 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
2657 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
2658 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
2659 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
2660 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
2661 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
2662 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
2663 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
2664 /* --verbose is only valid in migrate mode */
2665 { .val = 'v', .name = "verbose", .has_arg = no_argument},
2666 { .val = 'y', .name = "yaml", .has_arg = required_argument },
2669 setstripe_args_init(&lsa);
2671 migrate_mode = (opc == SO_MIGRATE);
2672 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
2674 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
2676 while ((c = getopt_long(argc, argv,
2677 "bc:dDE:f:H:i:I:m:N::no:p:L:s:S:vy:", long_opts,
2683 case LFS_COMP_ADD_OPT:
2686 case LFS_COMP_DEL_OPT:
2689 case LFS_COMP_FLAGS_OPT:
2690 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
2691 &lsa.lsa_comp_neg_flags);
2694 if (mirror_mode && lsa.lsa_comp_neg_flags) {
2695 fprintf(stderr, "%s: inverted flags are not supported\n",
2699 if (lsa.lsa_comp_neg_flags & LCME_FL_STALE) {
2701 "%s: cannot clear 'stale' flags from component. Please use lfs-mirror-resync(1) instead\n",
2708 case LFS_COMP_SET_OPT:
2711 case LFS_COMP_NO_VERIFY_OPT:
2712 mirror_flags |= MF_NO_VERIFY;
2714 case LFS_MIRROR_ID_OPT:
2715 mirror_id = strtoul(optarg, &end, 0);
2716 if (*end != '\0' || mirror_id == 0) {
2718 "%s %s: invalid mirror ID '%s'\n",
2719 progname, argv[0], optarg);
2723 case LFS_MIRROR_FLAGS_OPT: {
2726 if (!mirror_mode || !last_mirror) {
2727 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
2732 result = comp_str2flags(optarg, &last_mirror->m_flags,
2738 fprintf(stderr, "%s: inverted flags are not supported\n",
2743 if (last_mirror->m_flags & ~LCME_USER_FLAGS) {
2745 "%s: unsupported mirror flags: %s\n",
2752 case LFS_LAYOUT_COPY:
2757 if (!migrate_mode) {
2759 "%s %s: -b|--block valid only for migrate command\n",
2763 migration_block = true;
2766 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
2769 "%s %s: invalid stripe count '%s'\n",
2770 progname, argv[0], optarg);
2774 if (lsa.lsa_stripe_count == -1)
2775 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
2778 /* delete the default striping pattern */
2780 if (opc == SO_MIRROR_SPLIT) {
2783 "%s %s: -d cannot used with -f\n",
2787 mirror_flags |= MF_DESTROY;
2791 if (!migrate_mode) {
2793 "%s %s: -D|--non-direct is valid "
2794 "only for migrate command\n",
2798 migration_flags |= MIGRATION_NONDIRECT;
2801 if (lsa.lsa_comp_end != 0) {
2802 result = comp_args_to_layout(lpp, &lsa, true);
2805 "%s %s: invalid layout\n",
2810 setstripe_args_init_inherit(&lsa);
2813 if (arg_is_eof(optarg)) {
2814 lsa.lsa_comp_end = LUSTRE_EOF;
2816 result = llapi_parse_size(optarg,
2821 "%s %s: invalid component end '%s'\n",
2822 progname, argv[0], optarg);
2828 if (!migrate_mode) {
2829 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
2833 lsa.lsa_pattern = check_hashtype(optarg);
2834 if (lsa.lsa_pattern == 0) {
2836 "%s %s: bad stripe hash type '%s'\n",
2837 progname, argv[0], optarg);
2842 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
2845 "%s %s: invalid stripe offset '%s'\n",
2846 progname, argv[0], optarg);
2849 if (lsa.lsa_stripe_off == -1)
2850 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2853 comp_id = strtoul(optarg, &end, 0);
2854 if (*end != '\0' || comp_id == 0 ||
2855 comp_id > LCME_ID_MAX) {
2857 "%s %s: invalid component ID '%s'\n",
2858 progname, argv[0], optarg);
2863 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
2865 "error: %s: invalid option: %s\n",
2866 progname, argv[optopt + 1]);
2869 if (opc == SO_MIRROR_EXTEND) {
2870 if (last_mirror == NULL) {
2872 "error: %s: '-N' must exist in front of '%s'\n",
2873 progname, argv[optopt + 1]);
2876 last_mirror->m_file = optarg;
2877 last_mirror->m_count = 1;
2880 if (mirror_list == NULL)
2881 mirror_list = lfs_mirror_alloc();
2882 mirror_list->m_file = optarg;
2887 if (strcmp(argv[optind - 1], "mdt") == 0) {
2888 /* Can be only the first component */
2889 if (layout != NULL) {
2891 fprintf(stderr, "error: 'mdt' layout "
2892 "can be only the first one\n");
2895 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
2897 fprintf(stderr, "error: 'mdt' layout "
2898 "size is too big\n");
2901 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
2902 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
2904 fprintf(stderr, "error: layout '%s' is "
2905 "unknown, supported layouts are: "
2906 "'mdt', 'raid0'\n", argv[optind]);
2911 if (!migrate_mode) {
2913 "%s %s: -m|--mdt is valid only for migrate command\n",
2917 migrate_mdt_mode = true;
2918 lsa.lsa_nr_tgts = parse_targets(tgts,
2919 sizeof(tgts) / sizeof(__u32),
2920 lsa.lsa_nr_tgts, optarg);
2921 if (lsa.lsa_nr_tgts < 0) {
2923 "%s %s: invalid MDT target(s) '%s'\n",
2924 progname, argv[0], optarg);
2928 lsa.lsa_tgts = tgts;
2929 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
2930 lsa.lsa_stripe_off = tgts[0];
2933 if (!migrate_mode) {
2935 "%s %s: -n|--non-block valid only for migrate command\n",
2939 migration_flags |= MIGRATION_NONBLOCK;
2942 if (opc == SO_SETSTRIPE) {
2943 opc = SO_MIRROR_CREATE;
2947 if (optarg != NULL) {
2948 mirror_count = strtoul(optarg, &end, 0);
2949 if (*end != '\0' || mirror_count == 0) {
2951 "error: %s: bad mirror count: %s\n",
2958 new_mirror = lfs_mirror_alloc();
2959 new_mirror->m_count = mirror_count;
2961 if (mirror_list == NULL)
2962 mirror_list = new_mirror;
2964 if (last_mirror != NULL) {
2965 /* wrap up last mirror */
2966 if (lsa.lsa_comp_end == 0)
2967 lsa.lsa_comp_end = LUSTRE_EOF;
2969 result = comp_args_to_layout(lpp, &lsa, true);
2971 lfs_mirror_free(new_mirror);
2975 setstripe_args_init_inherit(&lsa);
2977 last_mirror->m_next = new_mirror;
2980 last_mirror = new_mirror;
2981 lpp = &last_mirror->m_layout;
2984 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2985 if (strcmp(argv[optind - 1], "--ost-list") == 0)
2986 fprintf(stderr, "warning: '--ost-list' is "
2987 "deprecated, use '--ost' instead\n");
2989 lsa.lsa_nr_tgts = parse_targets(tgts,
2990 sizeof(tgts) / sizeof(__u32),
2991 lsa.lsa_nr_tgts, optarg);
2992 if (lsa.lsa_nr_tgts < 0) {
2994 "%s %s: invalid OST target(s) '%s'\n",
2995 progname, argv[0], optarg);
2999 lsa.lsa_tgts = tgts;
3000 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3001 lsa.lsa_stripe_off = tgts[0];
3006 lsa.lsa_pool_name = optarg;
3008 if (strlen(lsa.lsa_pool_name) == 0 ||
3009 strncmp(lsa.lsa_pool_name, "none",
3010 LOV_MAXPOOLNAME) == 0)
3011 lsa.lsa_pool_name = NULL;
3014 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3018 "%s %s: invalid stripe size '%s'\n",
3019 progname, argv[0], optarg);
3024 if (!migrate_mode) {
3026 "%s %s: -v|--verbose valid only for migrate command\n",
3030 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3031 migration_flags = MIGRATION_VERBOSE;
3038 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3039 progname, argv[0], argv[optind - 1]);
3044 fname = argv[optind];
3046 if (optind == argc) {
3047 fprintf(stderr, "%s %s: FILE must be specified\n",
3052 if (mirror_mode && mirror_count == 0) {
3054 "error: %s: --mirror-count|-N option is required\n",
3061 if (lsa.lsa_comp_end == 0)
3062 lsa.lsa_comp_end = LUSTRE_EOF;
3065 if (lsa.lsa_comp_end != 0) {
3066 result = comp_args_to_layout(lpp, &lsa, true);
3071 if (mirror_flags & MF_NO_VERIFY) {
3072 if (opc != SO_MIRROR_EXTEND) {
3074 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3078 } else if (!has_m_file) {
3080 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3087 /* Only LCME_FL_INIT flags is used in PFL, and it shouldn't be
3088 * altered by user space tool, so we don't need to support the
3089 * --component-set for this moment. */
3090 if (comp_set && !comp_id) {
3091 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3096 if ((delete + comp_set + comp_del + comp_add) > 1) {
3098 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3103 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3104 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3106 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3111 if ((comp_set || comp_del) &&
3112 (setstripe_args_specified(&lsa) || layout != NULL)) {
3114 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3119 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3121 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3126 if (comp_add || comp_del) {
3129 result = lstat(fname, &st);
3130 if (result == 0 && S_ISDIR(st.st_mode)) {
3132 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3138 fprintf(stderr, "error: %s: can't use --component-add "
3139 "or --component-del for mirror operation\n",
3146 if (layout == NULL) {
3148 "%s %s: option -E must be specified with --component-add\n",
3153 result = adjust_first_extent(fname, layout);
3154 if (result == -ENODATA)
3156 else if (result != 0)
3160 if (from_yaml && from_copy) {
3162 "%s: can't specify --yaml and --copy together\n",
3167 if ((from_yaml || from_copy) &&
3168 (setstripe_args_specified(&lsa) || layout != NULL)) {
3169 fprintf(stderr, "error: %s: can't specify --yaml with "
3170 "-c, -S, -i, -o, -p or -E options.\n",
3175 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3177 "%s %s: options --non-block and --block are mutually exclusive\n",
3182 if (!comp_del && !comp_set && (opc != SO_MIRROR_SPLIT) &&
3185 "%s %s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3190 if (migrate_mdt_mode) {
3191 struct lmv_user_md *lmu;
3193 /* initialize migrate mdt parameters */
3194 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3195 LMV_USER_MAGIC_SPECIFIC));
3198 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3199 progname, argv[0], strerror(ENOMEM));
3203 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3204 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3205 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3207 "%s %s: migrate should specify MDT index\n",
3212 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3213 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3214 lmu->lum_hash_type = lsa.lsa_pattern;
3216 lmu->lum_hash_type = LMV_HASH_TYPE_FNV_1A_64;
3217 if (lsa.lsa_pool_name)
3218 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3219 sizeof(lmu->lum_pool_name));
3220 if (lsa.lsa_nr_tgts > 1) {
3223 if (lsa.lsa_stripe_count > 0 &&
3224 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3225 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3227 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3228 progname, lsa.lsa_stripe_count,
3234 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3235 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3236 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3237 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3239 lmu->lum_magic = LMV_USER_MAGIC;
3242 migrate_mdt_param.fp_lmv_md = lmu;
3243 migrate_mdt_param.fp_migrate = 1;
3244 } else if (layout == NULL) {
3245 /* initialize stripe parameters */
3246 param = calloc(1, offsetof(typeof(*param),
3247 lsp_osts[lsa.lsa_nr_tgts]));
3248 if (param == NULL) {
3250 "%s %s: cannot allocate memory for parameters: %s\n",
3251 progname, argv[0], strerror(ENOMEM));
3256 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3257 param->lsp_stripe_size = lsa.lsa_stripe_size;
3258 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3259 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3260 param->lsp_stripe_count = -1;
3262 param->lsp_stripe_count = lsa.lsa_stripe_count;
3264 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3265 param->lsp_stripe_offset = -1;
3267 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3268 param->lsp_pool = lsa.lsa_pool_name;
3269 param->lsp_is_specific = false;
3270 if (lsa.lsa_nr_tgts > 0) {
3271 if (lsa.lsa_stripe_count > 0 &&
3272 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3273 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3274 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3275 fprintf(stderr, "error: %s: stripe count %lld "
3276 "doesn't match the number of OSTs: %d\n"
3277 , argv[0], lsa.lsa_stripe_count,
3283 param->lsp_is_specific = true;
3284 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3285 memcpy(param->lsp_osts, tgts,
3286 sizeof(*tgts) * lsa.lsa_nr_tgts);
3291 /* generate a layout from a YAML template */
3292 result = lfs_comp_create_from_yaml(template, &layout,
3295 fprintf(stderr, "error: %s: can't create composite "
3296 "layout from template file %s\n",
3300 } else if (from_copy) {
3301 layout = llapi_layout_get_by_path(template, 0);
3302 if (layout == NULL) {
3304 "%s: can't create composite layout from file %s.\n",
3305 progname, template);
3310 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3311 if (migrate_mdt_mode) {
3312 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3313 } else if (migrate_mode) {
3314 result = lfs_migrate(fname, migration_flags, param,
3316 } else if (comp_set != 0) {
3317 result = lfs_component_set(fname, comp_id,
3319 lsa.lsa_comp_neg_flags);
3320 } else if (comp_del != 0) {
3321 result = lfs_component_del(fname, comp_id,
3323 lsa.lsa_comp_neg_flags);
3324 } else if (comp_add != 0) {
3325 result = lfs_component_add(fname, layout);
3326 } else if (opc == SO_MIRROR_CREATE) {
3327 result = mirror_create(fname, mirror_list);
3328 } else if (opc == SO_MIRROR_EXTEND) {
3329 result = mirror_extend(fname, mirror_list,
3331 } else if (opc == SO_MIRROR_SPLIT) {
3332 if (mirror_id == 0 && comp_id == 0) {
3334 "%s %s: no mirror id or component id is specified\n",
3339 comp_id = mirror_id;
3341 mirror_flags |= MF_COMP_ID;
3342 result = mirror_split(fname, comp_id, mirror_flags,
3343 has_m_file ? mirror_list->m_file :
3345 } else if (layout != NULL) {
3346 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3353 result = llapi_file_open_param(fname,
3362 /* Save the first error encountered. */
3370 free(migrate_mdt_param.fp_lmv_md);
3371 llapi_layout_free(layout);
3372 lfs_mirror_list_free(mirror_list);
3377 llapi_layout_free(layout);
3378 lfs_mirror_list_free(mirror_list);
3382 static int lfs_poollist(int argc, char **argv)
3387 return llapi_poollist(argv[1]);
3390 static int set_time(time_t *time, time_t *set, char *str)
3398 else if (str[0] == '-')
3404 t = strtol(str, &endptr, 0);
3405 if (*endptr != '\0') {
3407 "%s find: bad time '%s': %s\n",
3408 progname, str, strerror(EINVAL));
3411 if (*time < t * 24 * 60 * 60) {
3415 "%s find: bad time '%s': too large\n",
3420 *set = *time - t * 24 * 60 * 60;
3424 static int name2uid(unsigned int *id, const char *name)
3426 struct passwd *passwd;
3428 passwd = getpwnam(name);
3431 *id = passwd->pw_uid;
3436 static int name2gid(unsigned int *id, const char *name)
3438 struct group *group;
3440 group = getgrnam(name);
3443 *id = group->gr_gid;
3448 static inline int name2projid(unsigned int *id, const char *name)
3453 static int uid2name(char **name, unsigned int id)
3455 struct passwd *passwd;
3457 passwd = getpwuid(id);
3460 *name = passwd->pw_name;
3465 static inline int gid2name(char **name, unsigned int id)
3467 struct group *group;
3469 group = getgrgid(id);
3472 *name = group->gr_name;
3477 static int name2layout(__u32 *layout, char *name)
3479 char *ptr, *layout_name;
3482 for (ptr = name; ; ptr = NULL) {
3483 layout_name = strtok(ptr, ",");
3484 if (layout_name == NULL)
3486 if (strcmp(layout_name, "released") == 0)
3487 *layout |= LOV_PATTERN_F_RELEASED;
3488 else if (strcmp(layout_name, "raid0") == 0)
3489 *layout |= LOV_PATTERN_RAID0;
3490 else if (strcmp(layout_name, "mdt") == 0)
3491 *layout |= LOV_PATTERN_MDT;
3498 static int lfs_find(int argc, char **argv)
3503 struct find_param param = {
3507 struct option long_opts[] = {
3508 { .val = 'A', .name = "atime", .has_arg = required_argument },
3509 { .val = 'b', .name = "blocks", .has_arg = required_argument },
3510 { .val = LFS_COMP_COUNT_OPT,
3511 .name = "comp-count", .has_arg = required_argument },
3512 { .val = LFS_COMP_COUNT_OPT,
3513 .name = "component-count",
3514 .has_arg = required_argument },
3515 { .val = LFS_COMP_FLAGS_OPT,
3516 .name = "comp-flags", .has_arg = required_argument },
3517 { .val = LFS_COMP_FLAGS_OPT,
3518 .name = "component-flags",
3519 .has_arg = required_argument },
3520 { .val = LFS_COMP_START_OPT,
3521 .name = "comp-start", .has_arg = required_argument },
3522 { .val = LFS_COMP_START_OPT,
3523 .name = "component-start",
3524 .has_arg = required_argument },
3525 { .val = LFS_MIRROR_STATE_OPT,
3526 .name = "mirror-state", .has_arg = required_argument },
3527 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
3528 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
3529 { .val = 'C', .name = "ctime", .has_arg = required_argument },
3530 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
3531 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
3532 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
3533 { .val = 'E', .name = "component-end",
3534 .has_arg = required_argument },
3535 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3536 { .val = 'g', .name = "gid", .has_arg = required_argument },
3537 { .val = 'G', .name = "group", .has_arg = required_argument },
3538 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
3539 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
3540 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
3541 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
3542 { .val = 'L', .name = "layout", .has_arg = required_argument },
3543 { .val = 'm', .name = "mdt", .has_arg = required_argument },
3544 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
3545 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
3546 { .val = 'M', .name = "mtime", .has_arg = required_argument },
3547 { .val = 'n', .name = "name", .has_arg = required_argument },
3548 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
3549 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
3550 { .val = 'O', .name = "obd", .has_arg = required_argument },
3551 { .val = 'O', .name = "ost", .has_arg = required_argument },
3552 /* no short option for pool yet, can be 'p' after 2.18 */
3553 { .val = LFS_POOL_OPT,
3554 .name = "pool", .has_arg = required_argument },
3555 { .val = '0', .name = "print0", .has_arg = no_argument },
3556 { .val = 'P', .name = "print", .has_arg = no_argument },
3557 { .val = LFS_PROJID_OPT,
3558 .name = "projid", .has_arg = required_argument },
3559 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3560 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3561 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3562 { .val = 's', .name = "size", .has_arg = required_argument },
3563 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3564 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3565 { .val = 't', .name = "type", .has_arg = required_argument },
3566 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
3567 { .val = 'u', .name = "uid", .has_arg = required_argument },
3568 { .val = 'U', .name = "user", .has_arg = required_argument },
3569 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
3570 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
3582 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
3583 while ((c = getopt_long_only(argc, argv,
3584 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:v",
3585 long_opts, NULL)) >= 0) {
3590 /* '!' is part of option */
3591 /* when getopt_long_only() finds a string which is not
3592 * an option nor a known option argument it returns 1
3593 * in that case if we already have found pathstart and pathend
3594 * (i.e. we have the list of pathnames),
3595 * the only supported value is "!"
3597 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
3598 if (!isoption && pathend != -1) {
3599 fprintf(stderr, "err: %s: filename|dirname must either "
3600 "precede options or follow options\n",
3605 if (!isoption && pathstart == -1)
3606 pathstart = optind - 1;
3607 if (isoption && pathstart != -1 && pathend == -1)
3608 pathend = optind - 2;
3614 /* unknown; opt is "!" or path component,
3615 * checking done above.
3617 if (strcmp(optarg, "!") == 0)
3621 xtime = ¶m.fp_atime;
3622 xsign = ¶m.fp_asign;
3623 param.fp_exclude_atime = !!neg_opt;
3624 /* no break, this falls through to 'C' for ctime */
3627 xtime = ¶m.fp_ctime;
3628 xsign = ¶m.fp_csign;
3629 param.fp_exclude_ctime = !!neg_opt;
3631 /* no break, this falls through to 'M' for mtime */
3634 xtime = ¶m.fp_mtime;
3635 xsign = ¶m.fp_msign;
3636 param.fp_exclude_mtime = !!neg_opt;
3638 rc = set_time(&t, xtime, optarg);
3639 if (rc == INT_MAX) {
3647 if (optarg[0] == '+') {
3648 param.fp_blocks_sign = -1;
3650 } else if (optarg[0] == '-') {
3651 param.fp_blocks_sign = 1;
3655 param.fp_blocks_units = 1024;
3656 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
3657 ¶m.fp_blocks_units, 0);
3659 fprintf(stderr, "error: bad blocks '%s'\n",
3663 param.fp_check_blocks = 1;
3664 param.fp_exclude_blocks = !!neg_opt;
3666 case LFS_COMP_COUNT_OPT:
3667 if (optarg[0] == '+') {
3668 param.fp_comp_count_sign = -1;
3670 } else if (optarg[0] == '-') {
3671 param.fp_comp_count_sign = 1;
3675 param.fp_comp_count = strtoul(optarg, &endptr, 0);
3676 if (*endptr != '\0') {
3677 fprintf(stderr, "error: bad component count "
3681 param.fp_check_comp_count = 1;
3682 param.fp_exclude_comp_count = !!neg_opt;
3684 case LFS_COMP_FLAGS_OPT:
3685 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
3686 ¶m.fp_comp_neg_flags);
3688 fprintf(stderr, "error: bad component flags "
3692 param.fp_check_comp_flags = 1;
3694 __u32 flags = param.fp_comp_neg_flags;
3695 param.fp_comp_neg_flags = param.fp_comp_flags;
3696 param.fp_comp_flags = flags;
3699 case LFS_COMP_START_OPT:
3700 if (optarg[0] == '+') {
3701 param.fp_comp_start_sign = -1;
3703 } else if (optarg[0] == '-') {
3704 param.fp_comp_start_sign = 1;
3708 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
3709 ¶m.fp_comp_start_units, 0);
3711 fprintf(stderr, "error: bad component start "
3715 param.fp_check_comp_start = 1;
3716 param.fp_exclude_comp_start = !!neg_opt;
3718 case LFS_MIRROR_STATE_OPT:
3719 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
3720 ¶m.fp_mirror_neg_state);
3723 "error: bad mirrored file state '%s'\n",
3727 param.fp_check_mirror_state = 1;
3729 __u16 state = param.fp_mirror_neg_state;
3730 param.fp_mirror_neg_state =
3731 param.fp_mirror_state;
3732 param.fp_mirror_state = state;
3736 if (optarg[0] == '+') {
3737 param.fp_stripe_count_sign = -1;
3739 } else if (optarg[0] == '-') {
3740 param.fp_stripe_count_sign = 1;
3744 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
3745 if (*endptr != '\0') {
3746 fprintf(stderr,"error: bad stripe_count '%s'\n",
3751 param.fp_check_stripe_count = 1;
3752 param.fp_exclude_stripe_count = !!neg_opt;
3755 param.fp_max_depth = strtol(optarg, 0, 0);
3758 if (optarg[0] == '+') {
3759 param.fp_comp_end_sign = -1;
3761 } else if (optarg[0] == '-') {
3762 param.fp_comp_end_sign = 1;
3766 if (arg_is_eof(optarg)) {
3767 param.fp_comp_end = LUSTRE_EOF;
3768 param.fp_comp_end_units = 1;
3771 rc = llapi_parse_size(optarg,
3773 ¶m.fp_comp_end_units, 0);
3776 fprintf(stderr, "error: bad component end "
3780 param.fp_check_comp_end = 1;
3781 param.fp_exclude_comp_end = !!neg_opt;
3785 rc = name2gid(¶m.fp_gid, optarg);
3787 param.fp_gid = strtoul(optarg, &endptr, 10);
3788 if (*endptr != '\0') {
3789 fprintf(stderr, "Group/GID: %s cannot "
3790 "be found.\n", optarg);
3795 param.fp_exclude_gid = !!neg_opt;
3796 param.fp_check_gid = 1;
3799 param.fp_hash_type = check_hashtype(optarg);
3800 if (param.fp_hash_type == 0) {
3801 fprintf(stderr, "error: bad hash_type '%s'\n",
3806 param.fp_check_hash_type = 1;
3807 param.fp_exclude_hash_type = !!neg_opt;
3810 ret = name2layout(¶m.fp_layout, optarg);
3813 param.fp_exclude_layout = !!neg_opt;
3814 param.fp_check_layout = 1;
3818 rc = name2uid(¶m.fp_uid, optarg);
3820 param.fp_uid = strtoul(optarg, &endptr, 10);
3821 if (*endptr != '\0') {
3822 fprintf(stderr, "User/UID: %s cannot "
3823 "be found.\n", optarg);
3828 param.fp_exclude_uid = !!neg_opt;
3829 param.fp_check_uid = 1;
3832 param.fp_pattern = (char *)optarg;
3833 param.fp_exclude_pattern = !!neg_opt;
3836 if (optarg[0] == '+') {
3837 param.fp_mirror_count_sign = -1;
3839 } else if (optarg[0] == '-') {
3840 param.fp_mirror_count_sign = 1;
3844 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
3845 if (*endptr != '\0') {
3847 "error: bad mirror count '%s'\n",
3851 param.fp_check_mirror_count = 1;
3852 param.fp_exclude_mirror_count = !!neg_opt;
3857 char *buf, *token, *next, *p;
3861 buf = strdup(optarg);
3867 param.fp_exclude_obd = !!neg_opt;
3870 while (token && *token) {
3871 token = strchr(token, ',');
3878 param.fp_exclude_mdt = !!neg_opt;
3879 param.fp_num_alloc_mdts += len;
3880 tmp = realloc(param.fp_mdt_uuid,
3881 param.fp_num_alloc_mdts *
3882 sizeof(*param.fp_mdt_uuid));
3888 param.fp_mdt_uuid = tmp;
3890 param.fp_exclude_obd = !!neg_opt;
3891 param.fp_num_alloc_obds += len;
3892 tmp = realloc(param.fp_obd_uuid,
3893 param.fp_num_alloc_obds *
3894 sizeof(*param.fp_obd_uuid));
3900 param.fp_obd_uuid = tmp;
3902 for (token = buf; token && *token; token = next) {
3903 struct obd_uuid *puuid;
3906 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
3909 ¶m.fp_obd_uuid[param.fp_num_obds++];
3911 p = strchr(token, ',');
3918 if (strlen(token) > sizeof(puuid->uuid) - 1) {
3923 strncpy(puuid->uuid, token,
3924 sizeof(puuid->uuid));
3931 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
3935 if (strlen(optarg) > LOV_MAXPOOLNAME) {
3937 "Pool name %s is too long (max %d)\n",
3938 optarg, LOV_MAXPOOLNAME);
3943 * We do check for empty pool because empty pool
3944 * is used to find V1 LOV attributes
3946 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
3947 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
3948 param.fp_exclude_pool = !!neg_opt;
3949 param.fp_check_pool = 1;
3951 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
3952 case 'p': /* want this for --pool, to match getstripe/find */
3954 "warning: -p deprecated, use --print0 or -0\n");
3957 param.fp_zero_end = 1;
3959 case 'P': /* we always print, this option is a no-op */
3961 case LFS_PROJID_OPT:
3962 rc = name2projid(¶m.fp_projid, optarg);
3964 param.fp_projid = strtoul(optarg, &endptr, 10);
3965 if (*endptr != '\0') {
3967 "Invalid project ID: %s",
3973 param.fp_exclude_projid = !!neg_opt;
3974 param.fp_check_projid = 1;
3977 if (optarg[0] == '+') {
3978 param.fp_size_sign = -1;
3980 } else if (optarg[0] == '-') {
3981 param.fp_size_sign = 1;
3985 ret = llapi_parse_size(optarg, ¶m.fp_size,
3986 ¶m.fp_size_units, 0);
3988 fprintf(stderr, "error: bad file size '%s'\n",
3992 param.fp_check_size = 1;
3993 param.fp_exclude_size = !!neg_opt;
3996 if (optarg[0] == '+') {
3997 param.fp_stripe_size_sign = -1;
3999 } else if (optarg[0] == '-') {
4000 param.fp_stripe_size_sign = 1;
4004 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4005 ¶m.fp_stripe_size_units, 0);
4007 fprintf(stderr, "error: bad stripe_size '%s'\n",
4011 param.fp_check_stripe_size = 1;
4012 param.fp_exclude_stripe_size = !!neg_opt;
4015 param.fp_exclude_type = !!neg_opt;
4016 switch (optarg[0]) {
4018 param.fp_type = S_IFBLK;
4021 param.fp_type = S_IFCHR;
4024 param.fp_type = S_IFDIR;
4027 param.fp_type = S_IFREG;
4030 param.fp_type = S_IFLNK;
4033 param.fp_type = S_IFIFO;
4036 param.fp_type = S_IFSOCK;
4039 fprintf(stderr, "error: %s: bad type '%s'\n",
4046 if (optarg[0] == '+') {
4047 param.fp_mdt_count_sign = -1;
4049 } else if (optarg[0] == '-') {
4050 param.fp_mdt_count_sign = 1;
4054 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4055 if (*endptr != '\0') {
4056 fprintf(stderr, "error: bad mdt_count '%s'\n",
4061 param.fp_check_mdt_count = 1;
4062 param.fp_exclude_mdt_count = !!neg_opt;
4070 if (pathstart == -1) {
4071 fprintf(stderr, "error: %s: no filename|pathname\n",
4075 } else if (pathend == -1) {
4081 rc = llapi_find(argv[pathstart], ¶m);
4082 if (rc != 0 && ret == 0)
4084 } while (++pathstart < pathend);
4087 fprintf(stderr, "error: %s failed for %s.\n",
4088 argv[0], argv[optind - 1]);
4090 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4091 free(param.fp_obd_uuid);
4093 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4094 free(param.fp_mdt_uuid);
4099 static int lfs_getstripe_internal(int argc, char **argv,
4100 struct find_param *param)
4102 struct option long_opts[] = {
4103 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4104 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4105 { .val = LFS_COMP_COUNT_OPT,
4106 .name = "comp-count", .has_arg = no_argument },
4107 { .val = LFS_COMP_COUNT_OPT,
4108 .name = "component-count", .has_arg = no_argument },
4109 { .val = LFS_COMP_FLAGS_OPT,
4110 .name = "comp-flags", .has_arg = optional_argument },
4111 { .val = LFS_COMP_FLAGS_OPT,
4112 .name = "component-flags", .has_arg = optional_argument },
4113 { .val = LFS_COMP_START_OPT,
4114 .name = "comp-start", .has_arg = optional_argument },
4115 { .val = LFS_COMP_START_OPT,
4116 .name = "component-start", .has_arg = optional_argument },
4117 { .val = LFS_MIRROR_INDEX_OPT,
4118 .name = "mirror-index", .has_arg = required_argument },
4119 { .val = LFS_MIRROR_ID_OPT,
4120 .name = "mirror-id", .has_arg = required_argument },
4121 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4122 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4123 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4124 { .val = 'd', .name = "directory", .has_arg = no_argument },
4125 { .val = 'D', .name = "default", .has_arg = no_argument },
4126 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4127 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4128 { .val = 'F', .name = "fid", .has_arg = no_argument },
4129 { .val = 'g', .name = "generation", .has_arg = no_argument },
4130 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4131 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4132 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4133 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4134 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4135 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4136 { .val = 'L', .name = "layout", .has_arg = no_argument },
4137 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4138 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4139 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4140 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4141 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4142 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4143 { .val = 'O', .name = "obd", .has_arg = required_argument },
4144 { .val = 'O', .name = "ost", .has_arg = required_argument },
4145 { .val = 'p', .name = "pool", .has_arg = no_argument },
4146 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4147 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4148 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4149 { .val = 'R', .name = "raw", .has_arg = no_argument },
4150 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4151 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4152 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4153 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4154 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4155 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4156 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4157 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4161 int pathstart = -1, pathend = -1;
4165 while ((c = getopt_long(argc, argv,
4166 "-cdDE::FghiI::LmMNoO:pqrRsSvy",
4167 long_opts, NULL)) != -1) {
4171 /* '!' is part of option */
4172 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4173 if (!isoption && pathend != -1) {
4175 "error: %s: filename|dirname must either precede options or follow options\n",
4179 if (!isoption && pathstart == -1)
4180 pathstart = optind - 1;
4181 if (isoption && pathstart != -1 && pathend == -1)
4182 pathend = optind - 2;
4186 /* unknown: opt is "!" */
4187 if (strcmp(optarg, "!") == 0)
4191 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4192 param->fp_verbose |= VERBOSE_COUNT;
4193 param->fp_max_depth = 0;
4196 case LFS_COMP_COUNT_OPT:
4197 param->fp_verbose |= VERBOSE_COMP_COUNT;
4198 param->fp_max_depth = 0;
4200 case LFS_COMP_FLAGS_OPT:
4201 if (optarg != NULL) {
4202 rc = comp_str2flags(optarg,
4203 ¶m->fp_comp_flags,
4204 ¶m->fp_comp_neg_flags);
4206 fprintf(stderr, "error: %s bad "
4207 "component flags '%s'.\n",
4211 param->fp_check_comp_flags = 1;
4213 param->fp_verbose |= VERBOSE_COMP_FLAGS;
4214 param->fp_max_depth = 0;
4217 case LFS_COMP_START_OPT:
4218 if (optarg != NULL) {
4220 if (tmp[0] == '+') {
4221 param->fp_comp_start_sign = -1;
4223 } else if (tmp[0] == '-') {
4224 param->fp_comp_start_sign = 1;
4227 rc = llapi_parse_size(tmp,
4228 ¶m->fp_comp_start,
4229 ¶m->fp_comp_start_units, 0);
4231 fprintf(stderr, "error: %s bad "
4232 "component start '%s'.\n",
4236 param->fp_check_comp_start = 1;
4239 param->fp_verbose |= VERBOSE_COMP_START;
4240 param->fp_max_depth = 0;
4243 case LFS_MIRROR_INDEX_OPT:
4244 if (optarg[0] == '+') {
4245 param->fp_mirror_index_sign = -1;
4247 } else if (optarg[0] == '-') {
4248 param->fp_mirror_index_sign = 1;
4252 param->fp_mirror_index = strtoul(optarg, &end, 0);
4253 if (*end != '\0' || (param->fp_mirror_index == 0 &&
4254 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
4256 "%s %s: invalid mirror index '%s'\n",
4257 progname, argv[0], optarg);
4260 if (param->fp_mirror_id != 0) {
4262 "%s %s: can't specify both mirror index and mirror ID\n",
4266 param->fp_check_mirror_index = 1;
4267 param->fp_exclude_mirror_index = !!neg_opt;
4269 case LFS_MIRROR_ID_OPT:
4270 if (optarg[0] == '+') {
4271 param->fp_mirror_id_sign = -1;
4273 } else if (optarg[0] == '-') {
4274 param->fp_mirror_id_sign = 1;
4278 param->fp_mirror_id = strtoul(optarg, &end, 0);
4279 if (*end != '\0' || (param->fp_mirror_id == 0 &&
4280 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
4282 "%s %s: invalid mirror ID '%s'\n",
4283 progname, argv[0], optarg);
4286 if (param->fp_mirror_index != 0) {
4288 "%s %s: can't specify both mirror index and mirror ID\n",
4292 param->fp_check_mirror_id = 1;
4293 param->fp_exclude_mirror_id = !!neg_opt;
4296 param->fp_max_depth = 0;
4299 param->fp_get_default_lmv = 1;
4302 if (optarg != NULL) {
4304 if (tmp[0] == '+') {
4305 param->fp_comp_end_sign = -1;
4307 } else if (tmp[0] == '-') {
4308 param->fp_comp_end_sign = 1;
4312 if (arg_is_eof(tmp)) {
4313 param->fp_comp_end = LUSTRE_EOF;
4314 param->fp_comp_end_units = 1;
4317 rc = llapi_parse_size(tmp,
4318 ¶m->fp_comp_end,
4319 ¶m->fp_comp_end_units, 0);
4322 fprintf(stderr, "error: %s bad "
4323 "component end '%s'.\n",
4327 param->fp_check_comp_end = 1;
4329 param->fp_verbose |= VERBOSE_COMP_END;
4330 param->fp_max_depth = 0;
4334 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4335 param->fp_verbose |= VERBOSE_DFID;
4336 param->fp_max_depth = 0;
4340 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4341 param->fp_verbose |= VERBOSE_GENERATION;
4342 param->fp_max_depth = 0;
4346 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4347 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
4348 param->fp_max_depth = 0;
4352 if (optarg != NULL) {
4353 param->fp_comp_id = strtoul(optarg, &end, 0);
4354 if (*end != '\0' || param->fp_comp_id == 0 ||
4355 param->fp_comp_id > LCME_ID_MAX) {
4356 fprintf(stderr, "error: %s bad "
4357 "component id '%s'\n",
4361 param->fp_check_comp_id = 1;
4364 param->fp_max_depth = 0;
4365 param->fp_verbose |= VERBOSE_COMP_ID;
4369 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4370 param->fp_verbose |= VERBOSE_PATTERN;
4371 param->fp_max_depth = 0;
4374 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4376 fprintf(stderr, "warning: '-M' deprecated"
4377 ", use '--mdt-index' or '-m' instead\n");
4380 if (!(param->fp_verbose & VERBOSE_DETAIL))
4381 param->fp_max_depth = 0;
4382 param->fp_verbose |= VERBOSE_MDTINDEX;
4385 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4386 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
4387 param->fp_max_depth = 0;
4391 if (param->fp_obd_uuid) {
4393 "error: %s: only one obduuid allowed",
4397 param->fp_obd_uuid = (struct obd_uuid *)optarg;
4400 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4401 param->fp_verbose |= VERBOSE_POOL;
4402 param->fp_max_depth = 0;
4409 param->fp_recursive = 1;
4415 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4416 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
4417 param->fp_max_depth = 0;
4421 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
4431 if (pathstart == -1) {
4432 fprintf(stderr, "error: %s: no filename|pathname\n",
4435 } else if (pathend == -1) {
4443 if (param->fp_recursive)
4444 param->fp_max_depth = -1;
4445 else if (param->fp_verbose & VERBOSE_DETAIL)
4446 param->fp_max_depth = 1;
4448 if (!param->fp_verbose)
4449 param->fp_verbose = VERBOSE_DEFAULT;
4450 if (param->fp_quiet)
4451 param->fp_verbose = VERBOSE_OBJID;
4454 rc = llapi_getstripe(argv[pathstart], param);
4455 } while (++pathstart < pathend && !rc);
4458 fprintf(stderr, "error: %s failed for %s.\n",
4459 argv[0], argv[optind - 1]);
4463 static int lfs_tgts(int argc, char **argv)
4465 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
4466 struct find_param param;
4467 int index = 0, rc=0;
4472 if (argc == 2 && !realpath(argv[1], path)) {
4474 fprintf(stderr, "error: invalid path '%s': %s\n",
4475 argv[1], strerror(-rc));
4479 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
4480 /* Check if we have a mount point */
4481 if (mntdir[0] == '\0')
4484 memset(¶m, 0, sizeof(param));
4485 if (!strcmp(argv[0], "mdts"))
4486 param.fp_get_lmv = 1;
4488 rc = llapi_ostlist(mntdir, ¶m);
4490 fprintf(stderr, "error: %s: failed on %s\n",
4493 if (path[0] != '\0')
4495 memset(mntdir, 0, PATH_MAX);
4501 static int lfs_getstripe(int argc, char **argv)
4503 struct find_param param = { 0 };
4505 param.fp_max_depth = 1;
4506 return lfs_getstripe_internal(argc, argv, ¶m);
4510 static int lfs_getdirstripe(int argc, char **argv)
4512 struct find_param param = { 0 };
4513 struct option long_opts[] = {
4514 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
4515 { .val = 'D', .name = "default", .has_arg = no_argument },
4516 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
4517 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
4518 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4519 { .val = 'O', .name = "obd", .has_arg = required_argument },
4520 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4521 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
4522 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4526 param.fp_get_lmv = 1;
4528 while ((c = getopt_long(argc, argv,
4529 "cDHimO:rtTy", long_opts, NULL)) != -1)
4534 param.fp_verbose |= VERBOSE_COUNT;
4537 param.fp_get_default_lmv = 1;
4541 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
4543 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4545 fprintf(stderr, "warning: '-t' deprecated, "
4546 "use '--mdt-hash' or '-H' instead\n");
4549 param.fp_verbose |= VERBOSE_HASH_TYPE;
4552 if (param.fp_obd_uuid) {
4554 "error: %s: only one obduuid allowed",
4558 param.fp_obd_uuid = (struct obd_uuid *)optarg;
4561 param.fp_recursive = 1;
4574 if (param.fp_recursive)
4575 param.fp_max_depth = -1;
4577 if (!param.fp_verbose)
4578 param.fp_verbose = VERBOSE_DEFAULT;
4581 rc = llapi_getstripe(argv[optind], ¶m);
4582 } while (++optind < argc && !rc);
4585 fprintf(stderr, "error: %s failed for %s.\n",
4586 argv[0], argv[optind - 1]);
4591 MNTDF_INODES = 0x0001,
4592 MNTDF_COOKED = 0x0002,
4593 MNTDF_LAZY = 0x0004,
4594 MNTDF_VERBOSE = 0x0008,
4595 MNTDF_SHOW = 0x0010,
4598 #define COOK(value) \
4601 while (value > 1024) { \
4609 #define CDF "%11llu"
4610 #define HDF "%8.1f%c"
4614 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
4616 double avail, used, ratio = 0;
4619 avail = st->os_ffree;
4620 used = st->os_files - st->os_ffree;
4622 avail = st->os_bavail;
4623 used = st->os_blocks - st->os_bfree;
4625 if (avail + used > 0)
4626 ratio = used / (used + avail) * 100;
4628 /* Round up to match df(1) usage percentage */
4629 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
4632 static int showdf(char *mntdir, struct obd_statfs *stat,
4633 char *uuid, enum mntdf_flags flags,
4634 char *type, int index, int rc)
4636 long long avail, used, total;
4638 char *suffix = "KMGTPEZY";
4639 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
4640 char tbuf[3 * sizeof(__u64)];
4641 char ubuf[3 * sizeof(__u64)];
4642 char abuf[3 * sizeof(__u64)];
4643 char rbuf[3 * sizeof(__u64)];
4650 if (flags & MNTDF_INODES) {
4651 avail = stat->os_ffree;
4652 used = stat->os_files - stat->os_ffree;
4653 total = stat->os_files;
4655 int shift = flags & MNTDF_COOKED ? 0 : 10;
4657 avail = (stat->os_bavail * stat->os_bsize) >> shift;
4658 used = ((stat->os_blocks - stat->os_bfree) *
4659 stat->os_bsize) >> shift;
4660 total = (stat->os_blocks * stat->os_bsize) >> shift;
4663 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
4665 if (flags & MNTDF_COOKED) {
4669 cook_val = (double)total;
4672 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
4675 snprintf(tbuf, sizeof(tbuf), CDF, total);
4677 cook_val = (double)used;
4680 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
4683 snprintf(ubuf, sizeof(ubuf), CDF, used);
4685 cook_val = (double)avail;
4688 snprintf(abuf, sizeof(abuf), HDF, cook_val,
4691 snprintf(abuf, sizeof(abuf), CDF, avail);
4693 snprintf(tbuf, sizeof(tbuf), CDF, total);
4694 snprintf(ubuf, sizeof(tbuf), CDF, used);
4695 snprintf(abuf, sizeof(tbuf), CDF, avail);
4698 sprintf(rbuf, RDF, ratio);
4699 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
4700 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
4702 printf("[%s:%d]", type, index);
4704 if (stat->os_state) {
4706 * Each character represents the matching
4709 const char state_names[] = "DRSI";
4714 for (i = 0, state = stat->os_state;
4715 state && i < sizeof(state_names); i++) {
4716 if (!(state & (1 << i)))
4718 printf("%c", state_names[i]);
4726 printf(UUF": inactive device\n", uuid);
4729 printf(UUF": %s\n", uuid, strerror(-rc));
4736 struct ll_stat_type {
4741 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
4743 struct ll_statfs_data {
4745 struct obd_statfs sd_st;
4748 struct ll_statfs_buf {
4750 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
4753 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
4754 int ops, struct ll_statfs_buf *lsb)
4756 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
4757 struct obd_uuid uuid_buf;
4758 char *poolname = NULL;
4759 struct ll_stat_type types[] = {
4760 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
4761 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
4762 { .st_name = NULL } };
4763 struct ll_stat_type *tp;
4764 __u64 ost_ffree = 0;
4772 poolname = strchr(pool, '.');
4773 if (poolname != NULL) {
4774 if (strncmp(fsname, pool, strlen(fsname))) {
4775 fprintf(stderr, "filesystem name incorrect\n");
4783 fd = open(mntdir, O_RDONLY);
4786 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
4791 if (flags & MNTDF_SHOW) {
4792 if (flags & MNTDF_INODES)
4793 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4794 "UUID", "Inodes", "IUsed", "IFree",
4795 "IUse%", "Mounted on");
4797 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4799 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
4800 "Used", "Available", "Use%", "Mounted on");
4803 for (tp = types; tp->st_name != NULL; tp++) {
4804 bool have_ost = false;
4806 if (!(tp->st_op & ops))
4809 for (index = 0; ; index++) {
4810 memset(&stat_buf, 0, sizeof(struct obd_statfs));
4811 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
4812 type = flags & MNTDF_LAZY ?
4813 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
4814 rc2 = llapi_obd_fstatfs(fd, type, index,
4815 &stat_buf, &uuid_buf);
4820 if (rc2 == -ENODATA) { /* Inactive device, OK. */
4821 if (!(flags & MNTDF_VERBOSE))
4823 } else if (rc2 < 0 && rc == 0) {
4827 /* If we have OSTs then don't report MDT block counts.
4828 * For MDT-only filesystems the expectation is that all
4829 * layouts have a DoM component. For filesystems with
4830 * OSTs, files are not necessarily going to store data
4831 * on MDTs, and MDT space is limited to a fraction of
4832 * OST space, so don't include it in the summary.
4834 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
4841 if (poolname && tp->st_op == LL_STATFS_LOV &&
4842 llapi_search_ost(fsname, poolname,
4843 obd_uuid2str(&uuid_buf)) != 1)
4846 /* the llapi_obd_statfs() call may have returned with
4847 * an error, but if it filled in uuid_buf we will at
4848 * lease use that to print out a message for that OBD.
4849 * If we didn't get anything in the uuid_buf, then fill
4850 * it in so that we can print an error message. */
4851 if (uuid_buf.uuid[0] == '\0')
4852 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
4853 "%s%04x", tp->st_name, index);
4855 lsb->sb_buf[lsb->sb_count].sd_index = index;
4856 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
4859 if (flags & MNTDF_SHOW)
4860 showdf(mntdir, &stat_buf,
4861 obd_uuid2str(&uuid_buf), flags,
4862 tp->st_name, index, rc2);
4867 if (tp->st_op == LL_STATFS_LMV) {
4868 sum.os_ffree += stat_buf.os_ffree;
4869 sum.os_files += stat_buf.os_files;
4870 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
4871 ost_ffree += stat_buf.os_ffree;
4873 sum.os_blocks += stat_buf.os_blocks *
4875 sum.os_bfree += stat_buf.os_bfree *
4877 sum.os_bavail += stat_buf.os_bavail *
4884 /* If we don't have as many objects free on the OST as inodes
4885 * on the MDS, we reduce the total number of inodes to
4886 * compensate, so that the "inodes in use" number is correct.
4887 * Matches ll_statfs_internal() so the results are consistent. */
4888 if (ost_ffree < sum.os_ffree) {
4889 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
4890 sum.os_ffree = ost_ffree;
4892 if (flags & MNTDF_SHOW) {
4894 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
4901 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
4903 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
4905 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
4907 int r1 = obd_statfs_ratio(st1, false);
4908 int r2 = obd_statfs_ratio(st2, false);
4909 int64_t result = r1 - r2;
4911 /* if both space usage are above 90, compare free inodes */
4912 if (r1 > 90 && r2 > 90)
4913 result = st2->os_ffree - st1->os_ffree;
4917 else if (result == 0)
4924 static int lfs_setdirstripe(int argc, char **argv)
4928 struct lfs_setstripe_args lsa = { 0 };
4929 struct llapi_stripe_param *param = NULL;
4930 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
4933 char *mode_opt = NULL;
4934 bool default_stripe = false;
4935 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
4936 mode_t previous_mode = 0;
4937 bool delete = false;
4938 struct ll_statfs_buf *lsb = NULL;
4939 char mntdir[PATH_MAX] = "";
4940 bool auto_distributed = false;
4942 struct option long_opts[] = {
4943 { .val = 'c', .name = "count", .has_arg = required_argument },
4944 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
4945 { .val = 'd', .name = "delete", .has_arg = no_argument },
4946 { .val = 'D', .name = "default", .has_arg = no_argument },
4947 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
4948 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4949 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
4950 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4951 { .val = 'i', .name = "index", .has_arg = required_argument },
4953 { .val = 'o', .name = "mode", .has_arg = required_argument },
4954 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4955 { .val = 't', .name = "hash-type", .has_arg = required_argument },
4957 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4958 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4961 setstripe_args_init(&lsa);
4963 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:", long_opts,
4971 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
4974 "%s %s: invalid stripe count '%s'\n",
4975 progname, argv[0], optarg);
4981 default_stripe = true;
4984 default_stripe = true;
4986 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4988 fprintf(stderr, "warning: '--hash-type' and '-t' "
4989 "deprecated, use '--mdt-hash' or '-H' instead\n");
4992 lsa.lsa_pattern = check_hashtype(optarg);
4993 if (lsa.lsa_pattern == 0) {
4995 "%s %s: bad stripe hash type '%s'\n",
4996 progname, argv[0], optarg);
5001 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5002 if (strcmp(argv[optind - 1], "--index") == 0)
5004 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5007 lsa.lsa_nr_tgts = parse_targets(mdts,
5008 sizeof(mdts) / sizeof(__u32),
5009 lsa.lsa_nr_tgts, optarg);
5010 if (lsa.lsa_nr_tgts < 0) {
5012 "%s %s: invalid MDT target(s) '%s'\n",
5013 progname, argv[0], optarg);
5017 lsa.lsa_tgts = mdts;
5018 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5019 lsa.lsa_stripe_off = mdts[0];
5021 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
5023 fprintf(stderr, "warning: '-m' is deprecated, "
5024 "use '--mode' or '-o' instead\n");
5030 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5031 progname, argv[0], argv[optind - 1]);
5036 if (optind == argc) {
5037 fprintf(stderr, "%s %s: DIR must be specified\n",
5042 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5043 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT) {
5045 "%s %s: stripe offset and count must be specified\n",
5051 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5052 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5054 "%s %s: cannot specify -d with -c or -i options\n",
5059 if (mode_opt != NULL) {
5060 mode = strtoul(mode_opt, &end, 8);
5063 "%s %s: bad MODE '%s'\n",
5064 progname, argv[0], mode_opt);
5067 previous_mode = umask(0);
5071 * initialize stripe parameters, in case param is converted to specific,
5072 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
5074 param = calloc(1, offsetof(typeof(*param),
5075 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
5076 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
5077 if (param == NULL) {
5079 "%s %s: cannot allocate memory for parameters: %s\n",
5080 progname, argv[0], strerror(ENOMEM));
5084 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
5085 param->lsp_stripe_count = lsa.lsa_stripe_count;
5086 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5087 param->lsp_stripe_offset = -1;
5089 param->lsp_stripe_offset = lsa.lsa_stripe_off;
5090 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
5091 param->lsp_stripe_pattern = lsa.lsa_pattern;
5093 param->lsp_stripe_pattern = LMV_HASH_TYPE_FNV_1A_64;
5094 param->lsp_pool = lsa.lsa_pool_name;
5095 param->lsp_is_specific = false;
5096 if (lsa.lsa_nr_tgts > 1) {
5097 if (lsa.lsa_stripe_count > 0 &&
5098 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
5099 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
5100 fprintf(stderr, "error: %s: stripe count %lld doesn't "
5101 "match the number of MDTs: %d\n",
5102 argv[0], lsa.lsa_stripe_count, lsa.lsa_nr_tgts);
5107 param->lsp_is_specific = true;
5108 param->lsp_stripe_count = lsa.lsa_nr_tgts;
5109 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
5112 dname = argv[optind];
5114 if (default_stripe) {
5115 result = llapi_dir_set_default_lmv(dname, param);
5117 /* if current \a dname isn't under the same \a mntdir
5118 * as the last one, and the last one was
5119 * auto-distributed, restore \a param.
5121 if (mntdir[0] != '\0' &&
5122 strncmp(dname, mntdir, strlen(mntdir)) &&
5124 param->lsp_is_specific = false;
5125 param->lsp_stripe_offset = -1;
5126 auto_distributed = false;
5129 if (!param->lsp_is_specific &&
5130 param->lsp_stripe_offset == -1) {
5131 char path[PATH_MAX] = "";
5134 lsb = malloc(sizeof(*lsb));
5142 /* use mntdir for dirname() temporarily */
5143 strncpy(mntdir, dname, sizeof(mntdir));
5144 if (!realpath(dirname(mntdir), path)) {
5147 "error: invalid path '%s': %s\n",
5148 argv[optind], strerror(errno));
5153 result = llapi_search_mounts(path, 0, mntdir,
5155 if (result < 0 || mntdir[0] == '\0') {
5157 "No suitable Lustre mount found\n");
5161 result = mntdf(mntdir, NULL, NULL, 0,
5162 LL_STATFS_LMV, lsb);
5166 if (param->lsp_stripe_count > lsb->sb_count) {
5168 "error: stripe count %d is too big\n",
5169 param->lsp_stripe_count);
5174 qsort(lsb->sb_buf, lsb->sb_count,
5175 sizeof(struct ll_statfs_data),
5176 ll_statfs_data_comp);
5178 auto_distributed = true;
5181 if (auto_distributed) {
5183 int nr = MAX(param->lsp_stripe_count,
5186 /* don't use server whose usage is above 90% */
5187 while (nr != param->lsp_stripe_count &&
5188 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st,
5190 nr = MAX(param->lsp_stripe_count,
5193 /* get \a r between [0, nr) */
5196 param->lsp_stripe_offset =
5197 lsb->sb_buf[r].sd_index;
5198 if (param->lsp_stripe_count > 1) {
5201 param->lsp_is_specific = true;
5202 for (; i < param->lsp_stripe_count; i++)
5203 param->lsp_tgts[(i + r) % nr] =
5204 lsb->sb_buf[i].sd_index;
5208 result = llapi_dir_create(dname, mode, param);
5213 "%s setdirstripe: cannot create stripe dir '%s': %s\n",
5214 progname, dname, strerror(-result));
5217 dname = argv[++optind];
5218 } while (dname != NULL);
5220 if (mode_opt != NULL)
5221 umask(previous_mode);
5229 static int lfs_rmentry(int argc, char **argv)
5236 fprintf(stderr, "error: %s: missing dirname\n",
5242 dname = argv[index];
5243 while (dname != NULL) {
5244 result = llapi_direntry_remove(dname);
5246 fprintf(stderr, "error: %s: remove dir entry '%s' "
5247 "failed\n", argv[0], dname);
5250 dname = argv[++index];
5255 static int lfs_mv(int argc, char **argv)
5257 struct lmv_user_md lmu = { LMV_USER_MAGIC };
5258 struct find_param param = {
5265 struct option long_opts[] = {
5266 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5267 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5270 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
5272 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5274 fprintf(stderr, "warning: '-M' deprecated"
5275 ", use '--mdt-index' or '-m' instead\n");
5278 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
5280 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
5286 param.fp_verbose = VERBOSE_DETAIL;
5289 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
5290 progname, argv[optind - 1]);
5295 if (lmu.lum_stripe_offset == -1) {
5296 fprintf(stderr, "%s mv: MDT index must be specified\n",
5301 if (optind >= argc) {
5302 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
5307 /* initialize migrate mdt parameters */
5308 param.fp_lmv_md = &lmu;
5309 param.fp_migrate = 1;
5310 rc = llapi_migrate_mdt(argv[optind], ¶m);
5312 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
5313 progname, argv[optind], param.fp_mdt_index,
5318 static int lfs_osts(int argc, char **argv)
5320 return lfs_tgts(argc, argv);
5323 static int lfs_mdts(int argc, char **argv)
5325 return lfs_tgts(argc, argv);
5328 static int lfs_df(int argc, char **argv)
5330 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5331 enum mntdf_flags flags = MNTDF_SHOW;
5332 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
5333 int c, rc = 0, index = 0;
5334 char fsname[PATH_MAX] = "", *pool_name = NULL;
5335 struct option long_opts[] = {
5336 { .val = 'h', .name = "human-readable",
5337 .has_arg = no_argument },
5338 { .val = 'i', .name = "inodes", .has_arg = no_argument },
5339 { .val = 'l', .name = "lazy", .has_arg = no_argument },
5340 { .val = 'p', .name = "pool", .has_arg = required_argument },
5341 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5344 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
5347 flags |= MNTDF_COOKED;
5350 flags |= MNTDF_INODES;
5353 flags |= MNTDF_LAZY;
5359 flags |= MNTDF_VERBOSE;
5365 if (optind < argc && !realpath(argv[optind], path)) {
5367 fprintf(stderr, "error: invalid path '%s': %s\n",
5368 argv[optind], strerror(-rc));
5372 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5373 /* Check if we have a mount point */
5374 if (mntdir[0] == '\0')
5377 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
5378 if (rc || path[0] != '\0')
5380 fsname[0] = '\0'; /* avoid matching in next loop */
5381 mntdir[0] = '\0'; /* avoid matching in next loop */
5387 static int lfs_getname(int argc, char **argv)
5389 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
5390 int rc = 0, index = 0, c;
5391 char buf[sizeof(struct obd_uuid)];
5393 while ((c = getopt(argc, argv, "h")) != -1)
5396 if (optind == argc) { /* no paths specified, get all paths. */
5397 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5398 rc = llapi_getname(mntdir, buf, sizeof(buf));
5401 "cannot get name for `%s': %s\n",
5402 mntdir, strerror(-rc));
5406 printf("%s %s\n", buf, mntdir);
5408 path[0] = fsname[0] = mntdir[0] = 0;
5410 } else { /* paths specified, only attempt to search these. */
5411 for (; optind < argc; optind++) {
5412 rc = llapi_getname(argv[optind], buf, sizeof(buf));
5415 "cannot get name for `%s': %s\n",
5416 argv[optind], strerror(-rc));
5420 printf("%s %s\n", buf, argv[optind]);
5426 static int lfs_check(int argc, char **argv)
5428 char mntdir[PATH_MAX] = {'\0'};
5437 fprintf(stderr, "%s check: server type must be specified\n",
5442 obd_types[0] = obd_type1;
5443 obd_types[1] = obd_type2;
5444 obd_types[2] = obd_type3;
5446 if (strcmp(argv[1], "osts") == 0) {
5447 strcpy(obd_types[0], "osc");
5448 } else if (strcmp(argv[1], "mdts") == 0 ||
5449 strcmp(argv[1], "mds") == 0) {
5450 strcpy(obd_types[0], "mdc");
5451 } else if (strcmp(argv[1], "mgts") == 0) {
5452 strcpy(obd_types[0], "mgc");
5453 } else if (strcmp(argv[1], "all") == 0 ||
5454 strcmp(argv[1], "servers") == 0) {
5456 strcpy(obd_types[0], "osc");
5457 strcpy(obd_types[1], "mdc");
5458 strcpy(obd_types[2], "mgc");
5460 fprintf(stderr, "%s check: unrecognized option '%s'\n",
5465 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
5466 if (rc < 0 || mntdir[0] == '\0') {
5468 "%s check: cannot find mounted Lustre filesystem: %s\n",
5469 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
5473 rc = llapi_target_check(num_types, obd_types, mntdir);
5475 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
5476 progname, argv[1], strerror(-rc));
5482 #ifdef HAVE_SYS_QUOTA_H
5483 #define ARG2INT(nr, str, msg) \
5486 nr = strtol(str, &endp, 0); \
5487 if (*endp != '\0') { \
5488 fprintf(stderr, "%s: bad %s '%s'\n", \
5489 progname, msg, str); \
5494 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
5496 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
5497 * returns the value or ULONG_MAX on integer overflow or incorrect format
5499 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
5500 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
5501 * 3. empty integer value is interpreted as 0
5503 static unsigned long str2sec(const char* timestr)
5505 const char spec[] = "smhdw";
5506 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
5507 unsigned long val = 0;
5510 if (strpbrk(timestr, spec) == NULL) {
5511 /* no specifiers inside the time string,
5512 should treat it as an integer value */
5513 val = strtoul(timestr, &tail, 10);
5514 return *tail ? ULONG_MAX : val;
5517 /* format string is XXwXXdXXhXXmXXs */
5523 v = strtoul(timestr, &tail, 10);
5524 if (v == ULONG_MAX || *tail == '\0')
5525 /* value too large (ULONG_MAX or more)
5526 or missing specifier */
5529 ptr = strchr(spec, *tail);
5531 /* unknown specifier */
5536 /* check if product will overflow the type */
5537 if (!(v < ULONG_MAX / mult[ind]))
5540 ADD_OVERFLOW(val, mult[ind] * v);
5541 if (val == ULONG_MAX)
5553 #define ARG2ULL(nr, str, def_units) \
5555 unsigned long long limit, units = def_units; \
5558 rc = llapi_parse_size(str, &limit, &units, 1); \
5560 fprintf(stderr, "%s: invalid limit '%s'\n", \
5567 static inline int has_times_option(int argc, char **argv)
5571 for (i = 1; i < argc; i++)
5572 if (!strcmp(argv[i], "-t"))
5578 int lfs_setquota_times(int argc, char **argv)
5581 struct if_quotactl qctl;
5582 char *mnt, *obd_type = (char *)qctl.obd_type;
5583 struct obd_dqblk *dqb = &qctl.qc_dqblk;
5584 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
5585 struct option long_opts[] = {
5586 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
5587 { .val = 'g', .name = "group", .has_arg = no_argument },
5588 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
5589 { .val = 'p', .name = "projid", .has_arg = no_argument },
5590 { .val = 't', .name = "times", .has_arg = no_argument },
5591 { .val = 'u', .name = "user", .has_arg = no_argument },
5595 memset(&qctl, 0, sizeof(qctl));
5596 qctl.qc_cmd = LUSTRE_Q_SETINFO;
5597 qctl.qc_type = ALLQUOTA;
5599 while ((c = getopt_long(argc, argv, "b:gi:ptu",
5600 long_opts, NULL)) != -1) {
5611 if (qctl.qc_type != ALLQUOTA) {
5612 fprintf(stderr, "error: -u/g/p can't be used "
5613 "more than once\n");
5616 qctl.qc_type = qtype;
5619 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
5620 fprintf(stderr, "error: bad block-grace: %s\n",
5624 dqb->dqb_valid |= QIF_BTIME;
5627 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
5628 fprintf(stderr, "error: bad inode-grace: %s\n",
5632 dqb->dqb_valid |= QIF_ITIME;
5634 case 't': /* Yes, of course! */
5636 default: /* getopt prints error message for us when opterr != 0 */
5641 if (qctl.qc_type == ALLQUOTA) {
5642 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
5646 if (optind != argc - 1) {
5647 fprintf(stderr, "error: unexpected parameters encountered\n");
5651 if ((dqb->dqb_valid | QIF_BTIME && dqi->dqi_bgrace >= UINT_MAX) ||
5652 (dqb->dqb_valid | QIF_ITIME && dqi->dqi_igrace >= UINT_MAX)) {
5653 fprintf(stderr, "error: grace time is too large\n");
5658 rc = llapi_quotactl(mnt, &qctl);
5661 fprintf(stderr, "%s %s ", obd_type,
5662 obd_uuid2str(&qctl.obd_uuid));
5663 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
5670 #define BSLIMIT (1 << 0)
5671 #define BHLIMIT (1 << 1)
5672 #define ISLIMIT (1 << 2)
5673 #define IHLIMIT (1 << 3)
5675 int lfs_setquota(int argc, char **argv)
5678 struct if_quotactl qctl;
5679 char *mnt, *obd_type = (char *)qctl.obd_type;
5680 struct obd_dqblk *dqb = &qctl.qc_dqblk;
5681 struct option long_opts[] = {
5682 { .val = 'b', .name = "block-softlimit",
5683 .has_arg = required_argument },
5684 { .val = 'B', .name = "block-hardlimit",
5685 .has_arg = required_argument },
5686 { .val = 'd', .name = "default", .has_arg = no_argument },
5687 { .val = 'g', .name = "group", .has_arg = required_argument },
5688 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
5689 { .val = 'i', .name = "inode-softlimit",
5690 .has_arg = required_argument },
5691 { .val = 'I', .name = "inode-hardlimit",
5692 .has_arg = required_argument },
5693 { .val = 'p', .name = "projid", .has_arg = required_argument },
5694 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
5695 { .val = 'u', .name = "user", .has_arg = required_argument },
5696 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
5698 unsigned limit_mask = 0;
5700 bool use_default = false;
5703 if (has_times_option(argc, argv))
5704 return lfs_setquota_times(argc, argv);
5706 memset(&qctl, 0, sizeof(qctl));
5707 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
5708 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
5709 * so it can be used as a marker that qc_type
5710 * isn't reinitialized from command line */
5712 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
5713 long_opts, NULL)) != -1) {
5716 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5719 goto quota_type_def;
5722 rc = name2uid(&qctl.qc_id, optarg);
5725 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5728 goto quota_type_def;
5731 rc = name2gid(&qctl.qc_id, optarg);
5734 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5737 goto quota_type_def;
5740 rc = name2projid(&qctl.qc_id, optarg);
5743 qctl.qc_id = strtoul(optarg, &endptr, 10);
5744 if (*endptr != '\0') {
5745 fprintf(stderr, "%s setquota: invalid"
5746 " id '%s'\n", progname, optarg);
5751 if (qctl.qc_id == 0) {
5752 fprintf(stderr, "%s setquota: can't set quota"
5753 " for root usr/group/project.\n",
5759 if (qctl.qc_type != ALLQUOTA) {
5761 "%s setquota: only one of -u, -U, -g,"
5762 " -G, -p or -P may be specified\n",
5766 qctl.qc_type = qtype;
5769 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5773 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
5774 dqb->dqb_bsoftlimit >>= 10;
5775 limit_mask |= BSLIMIT;
5776 if (dqb->dqb_bsoftlimit &&
5777 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
5779 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
5780 "See '%s help setquota' or Lustre manual for details\n",
5781 progname, dqb->dqb_bsoftlimit,
5785 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
5786 dqb->dqb_bhardlimit >>= 10;
5787 limit_mask |= BHLIMIT;
5788 if (dqb->dqb_bhardlimit &&
5789 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
5791 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
5792 "See '%s help setquota' or Lustre manual for details\n",
5793 progname, dqb->dqb_bhardlimit,
5797 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
5798 limit_mask |= ISLIMIT;
5799 if (dqb->dqb_isoftlimit &&
5800 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
5802 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
5803 "See '%s help setquota' or Lustre manual for details\n",
5804 progname, dqb->dqb_isoftlimit,
5808 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
5809 limit_mask |= IHLIMIT;
5810 if (dqb->dqb_ihardlimit &&
5811 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
5813 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
5814 "See '%s help setquota' or Lustre manual for details\n",
5815 progname, dqb->dqb_ihardlimit,
5820 "%s setquota: unrecognized option '%s'\n",
5821 progname, argv[optind - 1]);
5826 if (qctl.qc_type == ALLQUOTA) {
5828 "%s setquota: either -u or -g must be specified\n",
5833 if (!use_default && limit_mask == 0) {
5835 "%s setquota: at least one limit must be specified\n",
5840 if (use_default && limit_mask != 0) {
5842 "%s setquota: limits should not be specified when"
5843 " using default quota\n",
5848 if (use_default && qctl.qc_id == 0) {
5850 "%s setquota: can not set default quota for root"
5851 " user/group/project\n",
5856 if (optind != argc - 1) {
5858 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
5859 progname, argv[optind]);
5866 dqb->dqb_bhardlimit = 0;
5867 dqb->dqb_bsoftlimit = 0;
5868 dqb->dqb_ihardlimit = 0;
5869 dqb->dqb_isoftlimit = 0;
5872 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
5873 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
5874 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
5875 /* sigh, we can't just set blimits/ilimits */
5876 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
5877 .qc_type = qctl.qc_type,
5878 .qc_id = qctl.qc_id};
5880 rc = llapi_quotactl(mnt, &tmp_qctl);
5884 if (!(limit_mask & BHLIMIT))
5885 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
5886 if (!(limit_mask & BSLIMIT))
5887 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
5888 if (!(limit_mask & IHLIMIT))
5889 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
5890 if (!(limit_mask & ISLIMIT))
5891 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
5893 /* Keep grace times if we have got no softlimit arguments */
5894 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
5895 dqb->dqb_valid |= QIF_BTIME;
5896 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
5899 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
5900 dqb->dqb_valid |= QIF_ITIME;
5901 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
5905 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
5906 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
5908 rc = llapi_quotactl(mnt, &qctl);
5912 "%s setquota: cannot quotactl '%s' '%s': %s",
5914 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
5921 /* Converts seconds value into format string
5922 * result is returned in buf
5924 * 1. result is in descenting order: 1w2d3h4m5s
5925 * 2. zero fields are not filled (except for p. 3): 5d1s
5926 * 3. zero seconds value is presented as "0s"
5928 static char * __sec2str(time_t seconds, char *buf)
5930 const char spec[] = "smhdw";
5931 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
5936 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
5937 c = seconds / mult[i];
5939 if (c > 0 || (i == 0 && buf == tail))
5940 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
5948 static void sec2str(time_t seconds, char *buf, int rc)
5955 tail = __sec2str(seconds, tail);
5957 if (rc && tail - buf < 39) {
5963 static void diff2str(time_t seconds, char *buf, time_t now)
5969 if (seconds <= now) {
5970 strcpy(buf, "none");
5973 __sec2str(seconds - now, buf);
5976 static void print_quota_title(char *name, struct if_quotactl *qctl,
5977 bool human_readable, bool show_default)
5980 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
5981 printf("%15s %8s%8s%8s %8s%8s%8s\n",
5982 "Filesystem", "bquota", "blimit", "bgrace",
5983 "iquota", "ilimit", "igrace");
5985 printf("Disk quotas for %s %s (%cid %u):\n",
5986 qtype_name(qctl->qc_type), name,
5987 *qtype_name(qctl->qc_type), qctl->qc_id);
5988 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
5989 "Filesystem", human_readable ? "used" : "kbytes",
5990 "quota", "limit", "grace",
5991 "files", "quota", "limit", "grace");
5995 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
5998 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6001 snprintf(buf, buflen, "%5.4gP",
6002 (double)num / ((__u64)1 << 40));
6004 snprintf(buf, buflen, "%5.4gT",
6005 (double)num / (1 << 30));
6007 snprintf(buf, buflen, "%5.4gG",
6008 (double)num / (1 << 20));
6010 snprintf(buf, buflen, "%5.4gM",
6011 (double)num / (1 << 10));
6013 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6017 #define STRBUF_LEN 32
6018 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6019 int rc, bool h, bool show_default)
6025 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6026 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6027 int bover = 0, iover = 0;
6028 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6029 char numbuf[3][STRBUF_LEN];
6031 char strbuf[STRBUF_LEN];
6033 if (dqb->dqb_bhardlimit &&
6034 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6036 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6037 if (dqb->dqb_btime > now) {
6044 if (dqb->dqb_ihardlimit &&
6045 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6047 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6048 if (dqb->dqb_itime > now) {
6056 if (strlen(mnt) > 15)
6057 printf("%s\n%15s", mnt, "");
6059 printf("%15s", mnt);
6062 diff2str(dqb->dqb_btime, timebuf, now);
6063 else if (show_default)
6064 snprintf(timebuf, sizeof(timebuf), "%llu",
6067 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6068 strbuf, sizeof(strbuf), h);
6069 if (rc == -EREMOTEIO)
6070 sprintf(numbuf[0], "%s*", strbuf);
6072 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6073 "%s" : "[%s]", strbuf);
6075 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6076 if (type == QC_GENERAL)
6077 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6078 "%s" : "[%s]", strbuf);
6080 sprintf(numbuf[1], "%s", "-");
6082 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6083 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6084 "%s" : "[%s]", strbuf);
6087 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6089 printf(" %7s%c %6s %7s %7s",
6090 numbuf[0], bover ? '*' : ' ', numbuf[1],
6091 numbuf[2], bover > 1 ? timebuf : "-");
6095 diff2str(dqb->dqb_itime, timebuf, now);
6096 else if (show_default)
6097 snprintf(timebuf, sizeof(timebuf), "%llu",
6100 snprintf(numbuf[0], sizeof(numbuf),
6101 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
6102 (uintmax_t)dqb->dqb_curinodes);
6104 if (type == QC_GENERAL)
6105 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
6107 (uintmax_t)dqb->dqb_isoftlimit);
6109 sprintf(numbuf[1], "%s", "-");
6111 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
6112 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
6115 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6116 else if (type != QC_OSTIDX)
6117 printf(" %7s%c %6s %7s %7s",
6118 numbuf[0], iover ? '*' : ' ', numbuf[1],
6119 numbuf[2], iover > 1 ? timebuf : "-");
6121 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
6124 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
6125 qctl->qc_cmd == Q_GETOINFO) {
6129 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
6130 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
6131 printf("Block grace time: %s; Inode grace time: %s\n",
6132 bgtimebuf, igtimebuf);
6136 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
6137 bool h, __u64 *total)
6139 int rc = 0, rc1 = 0, count = 0;
6140 __u32 valid = qctl->qc_valid;
6142 rc = llapi_get_obd_count(mnt, &count, is_mdt);
6144 fprintf(stderr, "can not get %s count: %s\n",
6145 is_mdt ? "mdt": "ost", strerror(-rc));
6149 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
6150 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
6151 rc = llapi_quotactl(mnt, qctl);
6153 /* It is remote client case. */
6154 if (rc == -EOPNOTSUPP) {
6161 fprintf(stderr, "quotactl %s%d failed.\n",
6162 is_mdt ? "mdt": "ost", qctl->qc_idx);
6166 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
6167 qctl->qc_valid, 0, h, false);
6168 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
6169 qctl->qc_dqblk.dqb_bhardlimit;
6172 qctl->qc_valid = valid;
6176 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
6177 int verbose, int quiet, bool human_readable,
6180 int rc1 = 0, rc2 = 0, rc3 = 0;
6181 char *obd_type = (char *)qctl->obd_type;
6182 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
6183 __u64 total_ialloc = 0, total_balloc = 0;
6184 bool use_default_for_blk = false;
6185 bool use_default_for_file = false;
6188 rc1 = llapi_quotactl(mnt, qctl);
6192 fprintf(stderr, "%s quotas are not enabled.\n",
6193 qtype_name(qctl->qc_type));
6196 fprintf(stderr, "Permission denied.\n");
6199 /* We already got error message. */
6202 fprintf(stderr, "Unexpected quotactl error: %s\n",
6207 if (!show_default && qctl->qc_id == 0) {
6208 qctl->qc_dqblk.dqb_bhardlimit = 0;
6209 qctl->qc_dqblk.dqb_bsoftlimit = 0;
6210 qctl->qc_dqblk.dqb_ihardlimit = 0;
6211 qctl->qc_dqblk.dqb_isoftlimit = 0;
6212 qctl->qc_dqblk.dqb_btime = 0;
6213 qctl->qc_dqblk.dqb_itime = 0;
6214 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
6217 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
6218 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
6219 use_default_for_blk = true;
6220 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
6223 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
6224 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
6225 use_default_for_file = true;
6226 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
6229 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
6230 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
6231 print_quota_title(name, qctl, human_readable, show_default);
6233 if (rc1 && *obd_type)
6234 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
6236 if (qctl->qc_valid != QC_GENERAL)
6239 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
6240 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
6241 (QIF_LIMITS|QIF_USAGE));
6243 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
6245 if (!show_default && verbose &&
6246 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
6247 char strbuf[STRBUF_LEN];
6249 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
6251 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
6253 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
6255 printf("Total allocated inode limit: %ju, total "
6256 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
6260 if (use_default_for_blk)
6261 printf("%cid %u is using default block quota setting\n",
6262 *qtype_name(qctl->qc_type), qctl->qc_id);
6264 if (use_default_for_file)
6265 printf("%cid %u is using default file quota setting\n",
6266 *qtype_name(qctl->qc_type), qctl->qc_id);
6268 if (rc1 || rc2 || rc3 || inacc)
6269 printf("Some errors happened when getting quota info. "
6270 "Some devices may be not working or deactivated. "
6271 "The data in \"[]\" is inaccurate.\n");
6277 static int lfs_project(int argc, char **argv)
6279 int ret = 0, err = 0, c, i;
6280 struct project_handle_control phc = { 0 };
6281 enum lfs_project_ops_t op;
6284 phc.assign_projid = false;
6285 /* default action */
6286 op = LFS_PROJECT_LIST;
6288 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
6291 if (op != LFS_PROJECT_LIST) {
6293 "%s: cannot specify '-c' '-C' '-s' together\n",
6298 op = LFS_PROJECT_CHECK;
6301 if (op != LFS_PROJECT_LIST) {
6303 "%s: cannot specify '-c' '-C' '-s' together\n",
6308 op = LFS_PROJECT_CLEAR;
6311 if (op != LFS_PROJECT_LIST) {
6313 "%s: cannot specify '-c' '-C' '-s' together\n",
6318 phc.set_inherit = true;
6319 op = LFS_PROJECT_SET;
6325 phc.keep_projid = true;
6328 phc.recursive = true;
6331 phc.projid = strtoul(optarg, NULL, 0);
6332 phc.assign_projid = true;
6336 phc.newline = false;
6339 fprintf(stderr, "%s: invalid option '%c'\n",
6345 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
6346 op = LFS_PROJECT_SET;
6347 phc.set_projid = true;
6348 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
6349 phc.set_projid = true;
6353 case LFS_PROJECT_CHECK:
6354 if (phc.keep_projid) {
6356 "%s: '-k' is useless together with '-c'\n",
6361 case LFS_PROJECT_CLEAR:
6364 "%s: '-0' is useless together with '-C'\n",
6368 if (phc.assign_projid) {
6370 "%s: '-p' is useless together with '-C'\n",
6375 case LFS_PROJECT_SET:
6378 "%s: '-0' is useless together with '-s'\n",
6382 if (phc.keep_projid) {
6384 "%s: '-k' is useless together with '-s'\n",
6392 "%s: '-0' is useless for list operations\n",
6402 fprintf(stderr, "%s: missing file or directory target(s)\n",
6407 for (i = 0; i < argc; i++) {
6409 case LFS_PROJECT_CHECK:
6410 err = lfs_project_check(argv[i], &phc);
6412 case LFS_PROJECT_LIST:
6413 err = lfs_project_list(argv[i], &phc);
6415 case LFS_PROJECT_CLEAR:
6416 err = lfs_project_clear(argv[i], &phc);
6418 case LFS_PROJECT_SET:
6419 err = lfs_project_set(argv[i], &phc);
6431 static int lfs_quota(int argc, char **argv)
6434 char *mnt, *name = NULL;
6435 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
6436 .qc_type = ALLQUOTA };
6437 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
6438 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
6440 __u32 valid = QC_GENERAL, idx = 0;
6441 bool human_readable = false;
6442 bool show_default = false;
6445 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
6448 show_default = true;
6453 show_default = true;
6458 show_default = true;
6462 if (qctl.qc_type != ALLQUOTA) {
6464 "%s quota: only one of -u, -g, or -p may be specified\n",
6468 qctl.qc_type = qtype;
6471 qctl.qc_cmd = LUSTRE_Q_GETINFO;
6474 valid = qctl.qc_valid = QC_UUID;
6475 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
6478 valid = qctl.qc_valid = QC_MDTIDX;
6479 idx = qctl.qc_idx = atoi(optarg);
6480 if (idx == 0 && *optarg != '0') {
6482 "%s quota: invalid MDT index '%s'\n",
6488 valid = qctl.qc_valid = QC_OSTIDX;
6489 idx = qctl.qc_idx = atoi(optarg);
6490 if (idx == 0 && *optarg != '0') {
6492 "%s quota: invalid OST index '%s'\n",
6504 human_readable = true;
6507 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
6508 progname, argv[optind - 1]);
6513 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
6514 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
6515 optind == argc - 1 && !show_default) {
6517 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
6518 qctl.qc_valid = valid;
6521 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
6522 qctl.qc_type = qtype;
6523 if (qtype == USRQUOTA) {
6524 qctl.qc_id = geteuid();
6525 rc = uid2name(&name, qctl.qc_id);
6527 qctl.qc_id = getegid();
6528 rc = gid2name(&name, qctl.qc_id);
6533 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
6534 human_readable, show_default);
6539 /* lfs quota -u username /path/to/lustre/mount */
6540 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
6541 /* options should be followed by u/g-name and mntpoint */
6542 if ((!show_default && optind + 2 != argc) ||
6543 (show_default && optind + 1 != argc) ||
6544 qctl.qc_type == ALLQUOTA) {
6546 "%s quota: name and mount point must be specified\n",
6551 if (!show_default) {
6552 name = argv[optind++];
6553 switch (qctl.qc_type) {
6555 rc = name2uid(&qctl.qc_id, name);
6558 rc = name2gid(&qctl.qc_id, name);
6561 rc = name2projid(&qctl.qc_id, name);
6568 qctl.qc_valid = QC_GENERAL;
6569 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
6574 qctl.qc_id = strtoul(name, &endptr, 10);
6575 if (*endptr != '\0') {
6576 fprintf(stderr, "%s quota: invalid id '%s'\n",
6581 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
6582 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
6588 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
6589 human_readable, show_default);
6592 #endif /* HAVE_SYS_QUOTA_H! */
6594 static int flushctx_ioctl(char *mp)
6598 fd = open(mp, O_RDONLY);
6600 fprintf(stderr, "flushctx: error open %s: %s\n",
6601 mp, strerror(errno));
6605 rc = ioctl(fd, LL_IOC_FLUSHCTX);
6607 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
6608 mp, strerror(errno));
6614 static int lfs_flushctx(int argc, char **argv)
6616 int kdestroy = 0, c;
6617 char mntdir[PATH_MAX] = {'\0'};
6621 while ((c = getopt(argc, argv, "k")) != -1) {
6627 fprintf(stderr, "error: %s: option '-%c' "
6628 "unrecognized\n", argv[0], c);
6634 if ((rc = system("kdestroy > /dev/null")) != 0) {
6635 rc = WEXITSTATUS(rc);
6636 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
6640 if (optind >= argc) {
6641 /* flush for all mounted lustre fs. */
6642 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
6643 /* Check if we have a mount point */
6644 if (mntdir[0] == '\0')
6647 if (flushctx_ioctl(mntdir))
6650 mntdir[0] = '\0'; /* avoid matching in next loop */
6653 /* flush fs as specified */
6654 while (optind < argc) {
6655 if (flushctx_ioctl(argv[optind++]))
6662 static int lfs_cp(int argc, char **argv)
6664 fprintf(stderr, "remote client copy file(s).\n"
6665 "obsolete, does not support it anymore.\n");
6669 static int lfs_ls(int argc, char **argv)
6671 fprintf(stderr, "remote client lists directory contents.\n"
6672 "obsolete, does not support it anymore.\n");
6676 static int lfs_changelog(int argc, char **argv)
6678 void *changelog_priv;
6679 struct changelog_rec *rec;
6680 long long startrec = 0, endrec = 0;
6682 struct option long_opts[] = {
6683 { .val = 'f', .name = "follow", .has_arg = no_argument },
6685 char short_opts[] = "f";
6688 while ((rc = getopt_long(argc, argv, short_opts,
6689 long_opts, NULL)) != -1) {
6696 "%s changelog: unrecognized option '%s'\n",
6697 progname, argv[optind - 1]);
6701 if (optind >= argc) {
6702 fprintf(stderr, "%s changelog: mdtname must be specified\n",
6707 mdd = argv[optind++];
6709 startrec = strtoll(argv[optind++], NULL, 10);
6711 endrec = strtoll(argv[optind++], NULL, 10);
6713 rc = llapi_changelog_start(&changelog_priv,
6714 CHANGELOG_FLAG_BLOCK |
6715 CHANGELOG_FLAG_JOBID |
6716 CHANGELOG_FLAG_EXTRA_FLAGS |
6717 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
6720 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
6721 progname, strerror(errno = -rc));
6725 rc = llapi_changelog_set_xflags(changelog_priv,
6726 CHANGELOG_EXTRA_FLAG_UIDGID |
6727 CHANGELOG_EXTRA_FLAG_NID |
6728 CHANGELOG_EXTRA_FLAG_OMODE |
6729 CHANGELOG_EXTRA_FLAG_XATTR);
6732 "%s changelog: cannot set xflags for changelog: %s\n",
6733 progname, strerror(errno = -rc));
6737 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
6741 if (endrec && rec->cr_index > endrec) {
6742 llapi_changelog_free(&rec);
6745 if (rec->cr_index < startrec) {
6746 llapi_changelog_free(&rec);
6750 secs = rec->cr_time >> 30;
6751 gmtime_r(&secs, &ts);
6752 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
6753 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
6754 changelog_type2str(rec->cr_type),
6755 ts.tm_hour, ts.tm_min, ts.tm_sec,
6756 (int)(rec->cr_time & ((1 << 30) - 1)),
6757 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
6758 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
6760 if (rec->cr_flags & CLF_JOBID) {
6761 struct changelog_ext_jobid *jid =
6762 changelog_rec_jobid(rec);
6764 if (jid->cr_jobid[0] != '\0')
6765 printf(" j=%s", jid->cr_jobid);
6768 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
6769 struct changelog_ext_extra_flags *ef =
6770 changelog_rec_extra_flags(rec);
6772 printf(" ef=0x%llx", ef->cr_extra_flags);
6774 if (ef->cr_extra_flags & CLFE_UIDGID) {
6775 struct changelog_ext_uidgid *uidgid =
6776 changelog_rec_uidgid(rec);
6778 printf(" u=%llu:%llu",
6779 uidgid->cr_uid, uidgid->cr_gid);
6781 if (ef->cr_extra_flags & CLFE_NID) {
6782 struct changelog_ext_nid *nid =
6783 changelog_rec_nid(rec);
6786 libcfs_nid2str(nid->cr_nid));
6789 if (ef->cr_extra_flags & CLFE_OPEN) {
6790 struct changelog_ext_openmode *omd =
6791 changelog_rec_openmode(rec);
6792 char mode[] = "---";
6794 /* exec mode must be exclusive */
6795 if (omd->cr_openflags & MDS_FMODE_EXEC) {
6798 if (omd->cr_openflags & MDS_FMODE_READ)
6800 if (omd->cr_openflags &
6807 if (strcmp(mode, "---") != 0)
6808 printf(" m=%s", mode);
6812 if (ef->cr_extra_flags & CLFE_XATTR) {
6813 struct changelog_ext_xattr *xattr =
6814 changelog_rec_xattr(rec);
6816 if (xattr->cr_xattr[0] != '\0')
6817 printf(" x=%s", xattr->cr_xattr);
6821 if (rec->cr_namelen)
6822 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
6823 rec->cr_namelen, changelog_rec_name(rec));
6825 if (rec->cr_flags & CLF_RENAME) {
6826 struct changelog_ext_rename *rnm =
6827 changelog_rec_rename(rec);
6829 if (!fid_is_zero(&rnm->cr_sfid))
6830 printf(" s="DFID" sp="DFID" %.*s",
6831 PFID(&rnm->cr_sfid),
6832 PFID(&rnm->cr_spfid),
6833 (int)changelog_rec_snamelen(rec),
6834 changelog_rec_sname(rec));
6838 llapi_changelog_free(&rec);
6841 llapi_changelog_fini(&changelog_priv);
6844 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
6845 progname, strerror(errno = -rc));
6847 return (rc == 1 ? 0 : rc);
6850 static int lfs_changelog_clear(int argc, char **argv)
6858 endrec = strtoll(argv[3], NULL, 10);
6860 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
6863 fprintf(stderr, "%s: record out of range: %llu\n",
6865 else if (rc == -ENOENT)
6866 fprintf(stderr, "%s: no changelog user: %s\n",
6869 fprintf(stderr, "%s error: %s\n", argv[0],
6878 static int lfs_fid2path(int argc, char **argv)
6880 struct option long_opts[] = {
6881 { .val = 'c', .name = "cur", .has_arg = no_argument },
6882 { .val = 'l', .name = "link", .has_arg = required_argument },
6883 { .val = 'r', .name = "rec", .has_arg = required_argument },
6885 char short_opts[] = "cl:r:";
6886 char *device, *fid, *path;
6887 long long recno = -1;
6892 char *endptr = NULL;
6894 while ((rc = getopt_long(argc, argv, short_opts,
6895 long_opts, NULL)) != -1) {
6901 linkno = strtol(optarg, &endptr, 10);
6902 if (*endptr != '\0') {
6904 "%s fid2path: invalid linkno '%s'\n",
6910 recno = strtoll(optarg, &endptr, 10);
6911 if (*endptr != '\0') {
6913 "%s fid2path: invalid recno '%s'\n",
6920 "%s fid2path: unrecognized option '%s'\n",
6921 progname, argv[optind - 1]);
6928 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
6933 device = argv[optind++];
6934 path = calloc(1, PATH_MAX);
6938 "%s fid2path: cannot allocate memory for path: %s\n",
6939 progname, strerror(-rc));
6944 while (optind < argc) {
6945 fid = argv[optind++];
6947 lnktmp = (linkno >= 0) ? linkno : 0;
6949 int oldtmp = lnktmp;
6950 long long rectmp = recno;
6952 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
6956 "%s fid2path: cannot find '%s': %s\n",
6957 progname, fid, strerror(errno = -rc2));
6964 fprintf(stdout, "%lld ", rectmp);
6965 if (device[0] == '/') {
6966 fprintf(stdout, "%s", device);
6967 if (device[strlen(device) - 1] != '/')
6968 fprintf(stdout, "/");
6969 } else if (path[0] == '\0') {
6970 fprintf(stdout, "/");
6972 fprintf(stdout, "%s\n", path);
6975 /* specified linkno */
6977 if (oldtmp == lnktmp)
6987 static int lfs_path2fid(int argc, char **argv)
6989 struct option long_opts[] = {
6990 { .val = 'p', .name = "parents", .has_arg = no_argument },
6993 const char short_opts[] = "p";
6994 const char *sep = "";
6997 bool show_parents = false;
6999 while ((rc = getopt_long(argc, argv, short_opts,
7000 long_opts, NULL)) != -1) {
7003 show_parents = true;
7007 "%s path2fid: unrecognized option '%s'\n",
7008 progname, argv[optind - 1]);
7013 if (optind > argc - 1) {
7014 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7018 else if (optind < argc - 1)
7022 for (path = argv + optind; *path != NULL; path++) {
7024 if (!show_parents) {
7025 err = llapi_path2fid(*path, &fid);
7027 printf("%s%s"DFID"\n",
7028 *sep != '\0' ? *path : "", sep,
7031 char name[NAME_MAX + 1];
7032 unsigned int linkno = 0;
7034 while ((err = llapi_path2parent(*path, linkno, &fid,
7035 name, sizeof(name))) == 0) {
7036 if (*sep != '\0' && linkno == 0)
7037 printf("%s%s", *path, sep);
7039 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7044 /* err == -ENODATA is end-of-loop */
7045 if (linkno > 0 && err == -ENODATA) {
7053 "%s path2fid: cannot get %sfid for '%s': %s\n",
7054 progname, show_parents ? "parent " : "", *path,
7066 static int lfs_data_version(int argc, char **argv)
7073 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
7076 fprintf(stderr, "%s data_version: FILE must be specified\n",
7081 while ((c = getopt(argc, argv, "nrw")) != -1) {
7084 data_version_flags = 0;
7087 data_version_flags |= LL_DV_RD_FLUSH;
7090 data_version_flags |= LL_DV_WR_FLUSH;
7094 "%s data_version: unrecognized option '%s'\n",
7095 progname, argv[optind - 1]);
7099 if (optind == argc) {
7100 fprintf(stderr, "%s data_version: FILE must be specified\n",
7105 path = argv[optind];
7106 fd = open(path, O_RDONLY);
7109 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
7110 progname, path, strerror(-rc));
7114 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
7117 "%s data_version: cannot get version for '%s': %s\n",
7118 progname, path, strerror(-rc));
7120 printf("%ju" "\n", (uintmax_t)data_version);
7126 static int lfs_hsm_state(int argc, char **argv)
7131 struct hsm_user_state hus;
7139 rc = llapi_hsm_state_get(path, &hus);
7141 fprintf(stderr, "can't get hsm state for %s: %s\n",
7142 path, strerror(errno = -rc));
7146 /* Display path name and status flags */
7147 printf("%s: (0x%08x)", path, hus.hus_states);
7149 if (hus.hus_states & HS_RELEASED)
7150 printf(" released");
7151 if (hus.hus_states & HS_EXISTS)
7153 if (hus.hus_states & HS_DIRTY)
7155 if (hus.hus_states & HS_ARCHIVED)
7156 printf(" archived");
7157 /* Display user-settable flags */
7158 if (hus.hus_states & HS_NORELEASE)
7159 printf(" never_release");
7160 if (hus.hus_states & HS_NOARCHIVE)
7161 printf(" never_archive");
7162 if (hus.hus_states & HS_LOST)
7163 printf(" lost_from_hsm");
7165 if (hus.hus_archive_id != 0)
7166 printf(", archive_id:%d", hus.hus_archive_id);
7169 } while (++i < argc);
7174 #define LFS_HSM_SET 0
7175 #define LFS_HSM_CLEAR 1
7178 * Generic function to set or clear HSM flags.
7179 * Used by hsm_set and hsm_clear.
7181 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
7183 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
7185 struct option long_opts[] = {
7186 { .val = 'A', .name = "archived", .has_arg = no_argument },
7187 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
7188 { .val = 'd', .name = "dirty", .has_arg = no_argument },
7189 { .val = 'e', .name = "exists", .has_arg = no_argument },
7190 { .val = 'l', .name = "lost", .has_arg = no_argument },
7191 { .val = 'r', .name = "norelease", .has_arg = no_argument },
7192 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
7194 char short_opts[] = "lraAdei:";
7198 __u32 archive_id = 0;
7204 while ((c = getopt_long(argc, argv, short_opts,
7205 long_opts, NULL)) != -1) {
7211 mask |= HS_NOARCHIVE;
7214 mask |= HS_ARCHIVED;
7217 mask |= HS_NORELEASE;
7226 archive_id = strtol(optarg, &end, 10);
7228 fprintf(stderr, "invalid archive_id: '%s'\n",
7236 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
7237 argv[0], argv[optind - 1]);
7242 /* User should have specified a flag */
7246 while (optind < argc) {
7248 path = argv[optind];
7250 /* If mode == 0, this means we apply the mask. */
7251 if (mode == LFS_HSM_SET)
7252 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
7254 rc = llapi_hsm_state_set(path, 0, mask, 0);
7257 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
7258 path, strerror(errno = -rc));
7267 static int lfs_hsm_action(int argc, char **argv)
7272 struct hsm_current_action hca;
7273 struct hsm_extent he;
7274 enum hsm_user_action hua;
7275 enum hsm_progress_states hps;
7283 rc = llapi_hsm_current_action(path, &hca);
7285 fprintf(stderr, "can't get hsm action for %s: %s\n",
7286 path, strerror(errno = -rc));
7289 he = hca.hca_location;
7290 hua = hca.hca_action;
7291 hps = hca.hca_state;
7293 printf("%s: %s", path, hsm_user_action2name(hua));
7295 /* Skip file without action */
7296 if (hca.hca_action == HUA_NONE) {
7301 printf(" %s ", hsm_progress_state2name(hps));
7303 if ((hps == HPS_RUNNING) &&
7304 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
7305 printf("(%llu bytes moved)\n",
7306 (unsigned long long)he.length);
7307 else if ((he.offset + he.length) == LUSTRE_EOF)
7308 printf("(from %llu to EOF)\n",
7309 (unsigned long long)he.offset);
7311 printf("(from %llu to %llu)\n",
7312 (unsigned long long)he.offset,
7313 (unsigned long long)(he.offset + he.length));
7315 } while (++i < argc);
7320 static int lfs_hsm_set(int argc, char **argv)
7322 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
7325 static int lfs_hsm_clear(int argc, char **argv)
7327 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
7331 * Check file state and return its fid, to be used by lfs_hsm_request().
7333 * \param[in] file Path to file to check
7334 * \param[in,out] fid Pointer to allocated lu_fid struct.
7335 * \param[in,out] last_dev Pointer to last device id used.
7337 * \return 0 on success.
7339 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
7345 rc = lstat(file, &st);
7347 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
7350 /* Checking for regular file as archiving as posix copytool
7351 * rejects archiving files other than regular files
7353 if (!S_ISREG(st.st_mode)) {
7354 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
7357 /* A request should be ... */
7358 if (*last_dev != st.st_dev && *last_dev != 0) {
7359 fprintf(stderr, "All files should be "
7360 "on the same filesystem: %s\n", file);
7363 *last_dev = st.st_dev;
7365 rc = llapi_path2fid(file, fid);
7367 fprintf(stderr, "Cannot read FID of %s: %s\n",
7368 file, strerror(-rc));
7374 /* Fill an HSM HUR item with a given file name.
7376 * If mntpath is set, then the filename is actually a FID, and no
7377 * lookup on the filesystem will be performed.
7379 * \param[in] hur the user request to fill
7380 * \param[in] idx index of the item inside the HUR to fill
7381 * \param[in] mntpath mountpoint of Lustre
7382 * \param[in] fname filename (if mtnpath is NULL)
7383 * or FID (if mntpath is set)
7384 * \param[in] last_dev pointer to last device id used
7386 * \retval 0 on success
7387 * \retval CMD_HELP or a negative errno on error
7389 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
7390 const char *mntpath, const char *fname,
7393 struct hsm_user_item *hui = &hur->hur_user_item[idx];
7396 hui->hui_extent.length = -1;
7398 if (mntpath != NULL) {
7401 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
7405 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
7410 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
7414 hur->hur_request.hr_itemcount++;
7419 static int lfs_hsm_request(int argc, char **argv, int action)
7421 struct option long_opts[] = {
7422 { .val = 'a', .name = "archive", .has_arg = required_argument },
7423 { .val = 'D', .name = "data", .has_arg = required_argument },
7424 { .val = 'l', .name = "filelist", .has_arg = required_argument },
7425 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
7428 char short_opts[] = "l:D:a:m:";
7429 struct hsm_user_request *hur, *oldhur;
7434 char *filelist = NULL;
7435 char fullpath[PATH_MAX];
7436 char *opaque = NULL;
7440 int nbfile_alloc = 0;
7441 char *some_file = NULL;
7442 char *mntpath = NULL;
7448 while ((c = getopt_long(argc, argv, short_opts,
7449 long_opts, NULL)) != -1) {
7458 if (action != HUA_ARCHIVE &&
7459 action != HUA_REMOVE) {
7461 "error: -a is supported only "
7462 "when archiving or removing\n");
7465 archive_id = atoi(optarg);
7468 if (some_file == NULL) {
7470 some_file = strdup(optarg);
7476 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
7477 argv[0], argv[optind - 1]);
7482 /* All remaining args are files, so we have at least nbfile */
7483 nbfile = argc - optind;
7485 if ((nbfile == 0) && (filelist == NULL))
7489 opaque_len = strlen(opaque);
7491 /* Alloc the request structure with enough place to store all files
7492 * from command line. */
7493 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
7495 fprintf(stderr, "Cannot create the request: %s\n",
7499 nbfile_alloc = nbfile;
7501 hur->hur_request.hr_action = action;
7502 hur->hur_request.hr_archive_id = archive_id;
7503 hur->hur_request.hr_flags = 0;
7505 /* All remaining args are files, add them */
7506 if (nbfile != 0 && some_file == NULL)
7507 some_file = strdup(argv[optind]);
7509 for (i = 0; i < nbfile; i++) {
7510 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
7516 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
7518 /* If a filelist was specified, read the filelist from it. */
7519 if (filelist != NULL) {
7520 fp = fopen(filelist, "r");
7522 fprintf(stderr, "Cannot read the file list %s: %s\n",
7523 filelist, strerror(errno));
7528 while ((rc = getline(&line, &len, fp)) != -1) {
7529 /* If allocated buffer was too small, get something
7531 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
7534 nbfile_alloc = nbfile_alloc * 2 + 1;
7536 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
7539 fprintf(stderr, "hsm: cannot allocate "
7540 "the request: %s\n",
7547 size = hur_len(oldhur);
7549 fprintf(stderr, "hsm: cannot allocate "
7550 "%u files + %u bytes data\n",
7551 oldhur->hur_request.hr_itemcount,
7552 oldhur->hur_request.hr_data_len);
7559 memcpy(hur, oldhur, size);
7564 if (line[strlen(line) - 1] == '\n')
7565 line[strlen(line) - 1] = '\0';
7567 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
7568 mntpath, line, &last_dev);
7574 if (some_file == NULL) {
7584 /* If a --data was used, add it to the request */
7585 hur->hur_request.hr_data_len = opaque_len;
7587 memcpy(hur_data(hur), opaque, opaque_len);
7589 /* Send the HSM request */
7590 if (realpath(some_file, fullpath) == NULL) {
7591 fprintf(stderr, "Could not find path '%s': %s\n",
7592 some_file, strerror(errno));
7594 rc = llapi_hsm_request(fullpath, hur);
7596 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
7597 some_file, strerror(-rc));
7607 static int lfs_hsm_archive(int argc, char **argv)
7609 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
7612 static int lfs_hsm_restore(int argc, char **argv)
7614 return lfs_hsm_request(argc, argv, HUA_RESTORE);
7617 static int lfs_hsm_release(int argc, char **argv)
7619 return lfs_hsm_request(argc, argv, HUA_RELEASE);
7622 static int lfs_hsm_remove(int argc, char **argv)
7624 return lfs_hsm_request(argc, argv, HUA_REMOVE);
7627 static int lfs_hsm_cancel(int argc, char **argv)
7629 return lfs_hsm_request(argc, argv, HUA_CANCEL);
7632 static int lfs_swap_layouts(int argc, char **argv)
7637 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
7638 SWAP_LAYOUTS_KEEP_MTIME |
7639 SWAP_LAYOUTS_KEEP_ATIME);
7642 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
7644 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
7646 int lfs_get_mode(const char *string)
7648 enum lock_mode_user mode;
7650 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
7651 if (lock_mode_names[mode] == NULL)
7653 if (strcmp(string, lock_mode_names[mode]) == 0)
7660 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
7662 enum lu_ladvise_type advice;
7665 advice < ARRAY_SIZE(ladvise_names); advice++) {
7666 if (ladvise_names[advice] == NULL)
7668 if (strcmp(string, ladvise_names[advice]) == 0)
7672 return LU_LADVISE_INVALID;
7675 static int lfs_ladvise(int argc, char **argv)
7677 struct option long_opts[] = {
7678 { .val = 'a', .name = "advice", .has_arg = required_argument },
7679 { .val = 'b', .name = "background", .has_arg = no_argument },
7680 { .val = 'e', .name = "end", .has_arg = required_argument },
7681 { .val = 'l', .name = "length", .has_arg = required_argument },
7682 { .val = 'm', .name = "mode", .has_arg = required_argument },
7683 { .val = 's', .name = "start", .has_arg = required_argument },
7684 { .val = 'u', .name = "unset", .has_arg = no_argument },
7686 char short_opts[] = "a:be:l:m:s:u";
7691 struct llapi_lu_ladvise advice;
7692 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
7693 unsigned long long start = 0;
7694 unsigned long long end = LUSTRE_EOF;
7695 unsigned long long length = 0;
7696 unsigned long long size_units;
7697 unsigned long long flags = 0;
7701 while ((c = getopt_long(argc, argv, short_opts,
7702 long_opts, NULL)) != -1) {
7705 advice_type = lfs_get_ladvice(optarg);
7706 if (advice_type == LU_LADVISE_INVALID) {
7707 fprintf(stderr, "%s: invalid advice type "
7708 "'%s'\n", argv[0], optarg);
7709 fprintf(stderr, "Valid types:");
7711 for (advice_type = 0;
7712 advice_type < ARRAY_SIZE(ladvise_names);
7714 if (ladvise_names[advice_type] == NULL)
7716 fprintf(stderr, " %s",
7717 ladvise_names[advice_type]);
7719 fprintf(stderr, "\n");
7732 rc = llapi_parse_size(optarg, &end,
7735 fprintf(stderr, "%s: bad end offset '%s'\n",
7742 rc = llapi_parse_size(optarg, &start,
7745 fprintf(stderr, "%s: bad start offset "
7746 "'%s'\n", argv[0], optarg);
7752 rc = llapi_parse_size(optarg, &length,
7755 fprintf(stderr, "%s: bad length '%s'\n",
7761 mode = lfs_get_mode(optarg);
7763 fprintf(stderr, "%s: bad mode '%s', valid "
7764 "modes are READ or WRITE\n",
7772 fprintf(stderr, "%s: option '%s' unrecognized\n",
7773 argv[0], argv[optind - 1]);
7778 if (advice_type == LU_LADVISE_INVALID) {
7779 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
7780 fprintf(stderr, "Valid types:");
7781 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
7783 if (ladvise_names[advice_type] == NULL)
7785 fprintf(stderr, " %s", ladvise_names[advice_type]);
7787 fprintf(stderr, "\n");
7791 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
7792 fprintf(stderr, "%s: Lock no expand advice is a per file "
7793 "descriptor advice, so when called from lfs, "
7794 "it does nothing.\n", argv[0]);
7798 if (argc <= optind) {
7799 fprintf(stderr, "%s: please give one or more file names\n",
7804 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
7805 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
7810 if (end == LUSTRE_EOF && length != 0)
7811 end = start + length;
7814 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
7815 argv[0], start, end);
7819 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
7820 fprintf(stderr, "%s: mode is only valid with lockahead\n",
7825 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
7826 fprintf(stderr, "%s: mode is required with lockahead\n",
7831 while (optind < argc) {
7834 path = argv[optind++];
7836 fd = open(path, O_RDONLY);
7838 fprintf(stderr, "%s: cannot open file '%s': %s\n",
7839 argv[0], path, strerror(errno));
7844 advice.lla_start = start;
7845 advice.lla_end = end;
7846 advice.lla_advice = advice_type;
7847 advice.lla_value1 = 0;
7848 advice.lla_value2 = 0;
7849 advice.lla_value3 = 0;
7850 advice.lla_value4 = 0;
7851 if (advice_type == LU_LADVISE_LOCKAHEAD) {
7852 advice.lla_lockahead_mode = mode;
7853 advice.lla_peradvice_flags = flags;
7856 rc2 = llapi_ladvise(fd, flags, 1, &advice);
7859 fprintf(stderr, "%s: cannot give advice '%s' to file "
7860 "'%s': %s\n", argv[0],
7861 ladvise_names[advice_type],
7862 path, strerror(errno));
7868 if (rc == 0 && rc2 < 0)
7874 /** The input string contains a comma delimited list of component ids and
7875 * ranges, for example "1,2-4,7".
7877 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
7879 bool end_of_loop = false;
7887 while (!end_of_loop) {
7891 char *endptr = NULL;
7894 ptr = strchrnul(arg, ',');
7895 end_of_loop = *ptr == '\0';
7898 start_index = strtol(arg, &endptr, 0);
7899 if (endptr == arg) /* no data at all */
7901 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
7903 if (start_index < 0)
7906 end_index = start_index;
7907 if (*endptr == '-') {
7908 end_index = strtol(endptr + 1, &endptr, 0);
7909 if (*endptr != '\0')
7911 if (end_index < start_index)
7915 for (i = start_index; i <= end_index && size > 0; i++) {
7918 /* remove duplicate */
7919 for (j = 0; j < nr; j++) {
7923 if (j == nr) { /* no duplicate */
7929 if (size == 0 && i < end_index)
7936 if (!end_of_loop && ptr != NULL)
7939 return rc < 0 ? rc : nr;
7943 * struct verify_mirror_id - Mirror id to be verified.
7944 * @mirror_id: A specified mirror id.
7945 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
7947 struct verify_mirror_id {
7953 * compare_mirror_ids() - Compare mirror ids.
7954 * @layout: Mirror component list.
7955 * @cbdata: Callback data in verify_mirror_id structure.
7957 * This is a callback function called by llapi_layout_comp_iterate()
7958 * to compare the specified mirror id with the one in the current
7959 * component of @layout. If they are the same, then the specified
7960 * mirror id is valid.
7962 * Return: a negative error code on failure or
7963 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
7964 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
7967 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
7969 struct verify_mirror_id *mirror_id_cbdata =
7970 (struct verify_mirror_id *)cbdata;
7974 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
7978 "%s: llapi_layout_mirror_id_get failed: %s.\n",
7979 progname, strerror(errno));
7983 if (mirror_id_cbdata->mirror_id == mirror_id) {
7984 mirror_id_cbdata->is_valid_id = true;
7985 return LLAPI_LAYOUT_ITER_STOP;
7988 return LLAPI_LAYOUT_ITER_CONT;
7992 * verify_mirror_ids() - Verify specified mirror ids.
7993 * @fname: Mirrored file name.
7994 * @mirror_ids: Specified mirror ids to be verified.
7995 * @ids_nr: Number of specified mirror ids.
7997 * This function verifies that specified @mirror_ids are valid
7998 * in the mirrored file @fname.
8000 * Return: 0 on success or a negative error code on failure.
8003 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
8005 struct llapi_layout *layout = NULL;
8006 struct verify_mirror_id mirror_id_cbdata = { 0 };
8017 if (stat(fname, &stbuf) < 0) {
8018 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8019 progname, fname, strerror(errno));
8024 if (!S_ISREG(stbuf.st_mode)) {
8025 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8031 fd = open(fname, O_DIRECT | O_RDONLY);
8033 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8034 progname, fname, strerror(errno));
8039 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
8041 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
8042 progname, fname, strerror(errno));
8046 layout = llapi_layout_get_by_fd(fd, 0);
8047 if (layout == NULL) {
8048 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8049 progname, fname, strerror(errno));
8051 llapi_lease_release(fd);
8055 rc = llapi_layout_flags_get(layout, &flr_state);
8057 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8058 progname, fname, strerror(errno));
8063 flr_state &= LCM_FL_FLR_MASK;
8064 switch (flr_state) {
8067 fprintf(stderr, "%s: '%s' file state error: %s.\n",
8068 progname, fname, llapi_layout_flags_string(flr_state));
8075 for (i = 0; i < ids_nr; i++) {
8076 mirror_id_cbdata.mirror_id = mirror_ids[i];
8077 mirror_id_cbdata.is_valid_id = false;
8079 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
8084 "%s: '%s' failed to verify mirror id: %u.\n",
8085 progname, fname, mirror_ids[i]);
8089 if (!mirror_id_cbdata.is_valid_id) {
8092 "%s: '%s' invalid specified mirror id: %u.\n",
8093 progname, fname, mirror_ids[i]);
8099 llapi_layout_free(layout);
8100 llapi_lease_release(fd);
8108 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
8109 __u16 *mirror_ids, int ids_nr)
8111 struct llapi_resync_comp comp_array[1024] = { { 0 } };
8112 struct llapi_layout *layout;
8122 if (stat(fname, &stbuf) < 0) {
8123 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8124 progname, fname, strerror(errno));
8128 if (!S_ISREG(stbuf.st_mode)) {
8129 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8135 fd = open(fname, O_DIRECT | O_RDWR);
8137 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8138 progname, fname, strerror(errno));
8143 layout = llapi_layout_get_by_fd(fd, 0);
8144 if (layout == NULL) {
8145 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8146 progname, fname, strerror(errno));
8151 rc = llapi_layout_flags_get(layout, &flr_state);
8153 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8154 progname, fname, strerror(errno));
8159 flr_state &= LCM_FL_FLR_MASK;
8160 if (flr_state == LCM_FL_NONE) {
8162 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
8167 /* get stale component info */
8168 comp_size = llapi_mirror_find_stale(layout, comp_array,
8169 ARRAY_SIZE(comp_array),
8170 mirror_ids, ids_nr);
8171 if (comp_size <= 0) {
8176 ioc->lil_mode = LL_LEASE_WRLCK;
8177 ioc->lil_flags = LL_LEASE_RESYNC;
8178 rc = llapi_lease_set(fd, ioc);
8180 if (rc == -EALREADY)
8184 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
8185 progname, fname, strerror(errno));
8189 /* get the read range [start, end) */
8190 start = comp_array[0].lrc_start;
8191 end = comp_array[0].lrc_end;
8192 for (idx = 1; idx < comp_size; idx++) {
8193 if (comp_array[idx].lrc_start < start)
8194 start = comp_array[idx].lrc_start;
8195 if (end < comp_array[idx].lrc_end)
8196 end = comp_array[idx].lrc_end;
8199 rc = llapi_lease_check(fd);
8200 if (rc != LL_LEASE_WRLCK) {
8201 fprintf(stderr, "%s: '%s' lost lease lock.\n",
8206 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
8209 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %d.\n",
8210 progname, fname, rc);
8212 /* prepare ioc for lease put */
8213 ioc->lil_mode = LL_LEASE_UNLCK;
8214 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
8216 for (idx = 0; idx < comp_size; idx++) {
8217 if (comp_array[idx].lrc_synced) {
8218 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
8223 rc = llapi_lease_set(fd, ioc);
8225 if (rc == 0) /* lost lease lock */
8227 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
8228 progname, fname, strerror(errno));
8232 * llapi_lease_set returns lease mode when it request to unlock
8238 llapi_layout_free(layout);
8245 static inline int lfs_mirror_resync(int argc, char **argv)
8247 struct ll_ioc_lease *ioc = NULL;
8248 __u16 mirror_ids[128] = { 0 };
8253 struct option long_opts[] = {
8254 { .val = 'o', .name = "only", .has_arg = required_argument },
8257 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
8260 rc = parse_mirror_ids(mirror_ids,
8261 sizeof(mirror_ids) / sizeof(__u16),
8265 "%s: bad mirror ids '%s'.\n",
8272 fprintf(stderr, "%s: options '%s' unrecognized.\n",
8273 argv[0], argv[optind - 1]);
8279 if (argc == optind) {
8280 fprintf(stderr, "%s: no file name given.\n", argv[0]);
8285 if (ids_nr > 0 && argc > optind + 1) {
8287 "%s: option '--only' cannot be used upon multiple files.\n",
8295 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
8300 /* set the lease on the file */
8301 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
8303 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
8304 argv[0], strerror(errno));
8309 for (; optind < argc; optind++) {
8310 rc = lfs_mirror_resync_file(argv[optind], ioc,
8311 mirror_ids, ids_nr);
8312 /* ignore previous file's error, continue with next file */
8315 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
8323 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
8325 struct llapi_layout *layout;
8328 layout = llapi_layout_get_by_fd(fd, 0);
8329 if (layout == NULL) {
8330 fprintf(stderr, "could not get layout.\n");
8334 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
8336 fprintf(stderr, "failed to iterate layout\n");
8337 llapi_layout_free(layout);
8340 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
8341 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
8342 llapi_layout_free(layout);
8346 llapi_layout_free(layout);
8352 * Check whether two files are the same file
8353 * \retval 0 same file
8354 * \retval 1 not the same file
8355 * \retval <0 error code
8357 static inline int check_same_file(const char *f1, const char *f2)
8362 if (stat(f1, &stbuf1) < 0) {
8363 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
8364 progname, f1, strerror(errno));
8368 if (stat(f2, &stbuf2) < 0) {
8369 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
8370 progname, f2, strerror(errno));
8374 if (stbuf1.st_rdev == stbuf2.st_rdev &&
8375 stbuf1.st_ino == stbuf2.st_ino)
8381 static inline int lfs_mirror_read(int argc, char **argv)
8384 __u16 mirror_id = 0;
8385 const char *outfile = NULL;
8391 const size_t buflen = 4 << 20;
8393 struct option long_opts[] = {
8394 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
8395 { .val = 'o', .name = "outfile", .has_arg = required_argument },
8398 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
8403 mirror_id = strtoul(optarg, &end, 0);
8404 if (*end != '\0' || mirror_id == 0) {
8406 "%s %s: invalid mirror ID '%s'\n",
8407 progname, argv[0], optarg);
8415 fprintf(stderr, "%s: option '%s' unrecognized.\n",
8416 progname, argv[optind - 1]);
8421 if (argc == optind) {
8422 fprintf(stderr, "%s %s: no mirrored file provided\n",
8425 } else if (argc > optind + 1) {
8426 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
8430 if (mirror_id == 0) {
8431 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
8436 /* open mirror file */
8437 fname = argv[optind];
8440 rc = check_same_file(fname, outfile);
8443 "%s %s: output file cannot be the mirrored file\n",
8451 fd = open(fname, O_DIRECT | O_RDONLY);
8453 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
8454 progname, argv[0], fname, strerror(errno));
8458 /* verify mirror id */
8459 rc = verify_mirror_id_by_fd(fd, mirror_id);
8462 "%s %s: cannot find mirror with ID %u in '%s'\n",
8463 progname, argv[0], mirror_id, fname);
8467 /* open output file */
8469 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
8471 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
8472 progname, argv[0], outfile, strerror(errno));
8477 outfd = STDOUT_FILENO;
8480 /* allocate buffer */
8481 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
8483 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
8484 progname, argv[0], rc);
8491 ssize_t written = 0;
8493 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
8494 if (bytes_read < 0) {
8497 "%s %s: fail to read data from mirror %u: %s\n",
8498 progname, argv[0], mirror_id, strerror(-rc));
8503 if (bytes_read == 0)
8506 while (written < bytes_read) {
8509 written2 = write(outfd, buf + written,
8510 bytes_read - written);
8513 "%s %s: fail to write %s: %s\n",
8514 progname, argv[0], outfile ? : "STDOUT",
8519 written += written2;
8522 if (written != bytes_read) {
8524 "%s %s: written %ld bytes does not match with %ld read.\n",
8525 progname, argv[0], written, bytes_read);
8547 static inline int lfs_mirror_write(int argc, char **argv)
8550 __u16 mirror_id = 0;
8551 const char *inputfile = NULL;
8557 const size_t buflen = 4 << 20;
8559 size_t page_size = sysconf(_SC_PAGESIZE);
8560 struct ll_ioc_lease_id ioc;
8562 struct option long_opts[] = {
8563 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
8564 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
8567 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
8572 mirror_id = strtoul(optarg, &end, 0);
8573 if (*end != '\0' || mirror_id == 0) {
8575 "%s %s: invalid mirror ID '%s'\n",
8576 progname, argv[0], optarg);
8584 fprintf(stderr, "%s: option '%s' unrecognized\n",
8585 progname, argv[optind - 1]);
8590 if (argc == optind) {
8591 fprintf(stderr, "%s %s: no mirrored file provided\n",
8594 } else if (argc > optind + 1) {
8595 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
8599 if (mirror_id == 0) {
8600 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
8605 /* open mirror file */
8606 fname = argv[optind];
8609 rc = check_same_file(fname, inputfile);
8612 "%s %s: input file cannot be the mirrored file\n",
8620 fd = open(fname, O_DIRECT | O_WRONLY);
8622 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
8623 progname, argv[0], fname, strerror(errno));
8627 /* verify mirror id */
8628 rc = verify_mirror_id_by_fd(fd, mirror_id);
8631 "%s %s: cannot find mirror with ID %u in '%s'\n",
8632 progname, argv[0], mirror_id, fname);
8636 /* open input file */
8638 inputfd = open(inputfile, O_RDONLY, 0644);
8640 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
8641 progname, argv[0], inputfile, strerror(errno));
8646 inputfd = STDIN_FILENO;
8649 /* allocate buffer */
8650 rc = posix_memalign(&buf, page_size, buflen);
8652 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
8653 progname, argv[0], rc);
8657 /* prepare target mirror components instantiation */
8658 ioc.lil_mode = LL_LEASE_WRLCK;
8659 ioc.lil_flags = LL_LEASE_RESYNC;
8660 ioc.lil_mirror_id = mirror_id;
8661 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
8664 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
8665 progname, argv[0], fname, strerror(errno));
8675 rc = llapi_lease_check(fd);
8676 if (rc != LL_LEASE_WRLCK) {
8677 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
8678 progname, argv[0], fname);
8682 bytes_read = read(inputfd, buf, buflen);
8683 if (bytes_read < 0) {
8686 "%s %s: fail to read data from '%s': %s\n",
8687 progname, argv[0], inputfile ? : "STDIN",
8694 if (bytes_read == 0)
8697 /* round up to page align to make direct IO happy. */
8698 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
8700 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
8705 "%s %s: fail to write to mirror %u: %s\n",
8706 progname, argv[0], mirror_id,
8714 if (pos & (page_size - 1)) {
8715 rc = llapi_mirror_truncate(fd, mirror_id, pos);
8720 ioc.lil_mode = LL_LEASE_UNLCK;
8721 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
8723 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
8728 "%s %s: release lease lock of '%s' failed: %s\n",
8729 progname, argv[0], fname, strerror(errno));
8747 * struct verify_chunk - Mirror chunk to be verified.
8748 * @chunk: [start, end) of the chunk.
8749 * @mirror_count: Number of mirror ids in @mirror_id array.
8750 * @mirror_id: Array of valid mirror ids that cover the chunk.
8752 struct verify_chunk {
8753 struct lu_extent chunk;
8754 unsigned int mirror_count;
8755 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
8759 * print_chunks() - Print chunk information.
8760 * @fname: Mirrored file name.
8761 * @chunks: Array of chunks.
8762 * @chunk_count: Number of chunks in @chunks array.
8764 * This function prints [start, end) of each chunk in @chunks
8765 * for mirrored file @fname, and also prints the valid mirror ids
8766 * that cover the chunk.
8771 void print_chunks(const char *fname, struct verify_chunk *chunks,
8777 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
8778 for (i = 0; i < chunk_count; i++) {
8779 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
8781 if (chunks[i].mirror_count == 0)
8782 fprintf(stdout, "\t[");
8784 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
8785 for (j = 1; j < chunks[i].mirror_count; j++)
8786 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
8788 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
8790 fprintf(stdout, "\n");
8794 * print_checksums() - Print CRC-32 checksum values.
8795 * @chunk: A chunk and its corresponding valid mirror ids.
8796 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
8798 * This function prints CRC-32 checksum values on @chunk for
8799 * each valid mirror that covers it.
8804 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
8809 "CRC-32 checksum value for chunk "DEXT":\n",
8810 PEXT(&chunk->chunk));
8811 for (i = 0; i < chunk->mirror_count; i++)
8812 fprintf(stdout, "Mirror %u:\t%#lx\n",
8813 chunk->mirror_id[i], crc[i]);
8814 fprintf(stdout, "\n");
8818 * filter_mirror_id() - Filter specified mirror ids.
8819 * @chunks: Array of chunks.
8820 * @chunk_count: Number of chunks in @chunks array.
8821 * @mirror_ids: Specified mirror ids to be verified.
8822 * @ids_nr: Number of specified mirror ids.
8824 * This function scans valid mirror ids that cover each chunk in @chunks
8825 * and filters specified mirror ids.
8830 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
8831 __u16 *mirror_ids, int ids_nr)
8836 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
8837 unsigned int valid_count = 0;
8839 for (i = 0; i < chunk_count; i++) {
8840 if (chunks[i].mirror_count == 0)
8844 for (j = 0; j < ids_nr; j++) {
8845 for (k = 0; k < chunks[i].mirror_count; k++) {
8846 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
8847 valid_id[valid_count] = mirror_ids[j];
8854 memcpy(chunks[i].mirror_id, valid_id,
8855 sizeof(__u16) * valid_count);
8856 chunks[i].mirror_count = valid_count;
8861 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
8862 * @layout: Mirror component list.
8863 * @chunks: Array of chunks.
8864 * @chunks_size: Array size of @chunks.
8866 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
8867 * to find out chunk segments and store them in @chunks array.
8869 * The @mirror_id array in each element of @chunks will store the valid
8870 * mirror ids that cover the chunk. If a mirror component covering the
8871 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
8872 * will not be stored into the @mirror_id array, and the chunk for that
8873 * mirror will not be verified.
8875 * The @mirror_count in each element of @chunks will store the number of
8876 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
8877 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
8878 * indicates the chunk is valid in only one mirror. In both cases, the
8879 * chunk will not be verified.
8881 * Here is an example:
8884 * +------+-------------+--------------------+
8886 * +------+------+------+------+-------------+
8887 * | | S | S | | mirror2
8888 * +-------------+------+------+-------------+
8890 * prepared @chunks array will contain 5 elements:
8891 * (([0, 1M), [1, 2], 2),
8892 * ([1M, 2M), [1, 2], 2),
8893 * ([2M, 3M), [1], 1),
8894 * ([3M, 4M], [], 0),
8895 * ([4M, EOF), [2], 1))
8897 * Return: the actual array size of @chunks on success
8898 * or a negative error code on failure.
8901 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
8902 struct verify_chunk *chunks,
8913 memset(chunks, 0, sizeof(*chunks) * chunks_size);
8916 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
8919 "%s: move to the first layout component: %s.\n",
8920 progname, strerror(errno));
8926 chunks[idx].chunk.e_end = LUSTRE_EOF;
8928 rc = llapi_layout_comp_extent_get(layout, &start, &end);
8931 "%s: llapi_layout_comp_extent_get failed: %s.\n",
8932 progname, strerror(errno));
8936 if (start > chunks[idx].chunk.e_start ||
8937 end <= chunks[idx].chunk.e_start)
8940 if (end < chunks[idx].chunk.e_end)
8941 chunks[idx].chunk.e_end = end;
8943 rc = llapi_layout_comp_flags_get(layout, &flags);
8946 "%s: llapi_layout_comp_flags_get failed: %s.\n",
8947 progname, strerror(errno));
8951 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
8954 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
8957 "%s: llapi_layout_mirror_id_get failed: %s.\n",
8958 progname, strerror(errno));
8962 chunks[idx].mirror_id[i] = mirror_id;
8964 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
8966 "%s: mirror_id array is too small.\n",
8973 rc = llapi_layout_comp_use(layout,
8974 LLAPI_LAYOUT_COMP_USE_NEXT);
8977 "%s: move to the next layout component: %s.\n",
8978 progname, strerror(errno));
8981 } /* loop through all components */
8983 chunks[idx].mirror_count = i;
8985 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
8989 if (idx >= chunks_size) {
8990 fprintf(stderr, "%s: chunks array is too small.\n",
8996 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
9000 return rc < 0 ? rc : idx + 1;
9004 * lfs_mirror_verify_chunk() - Verify a chunk.
9005 * @fd: File descriptor of the mirrored file.
9006 * @file_size: Size of the mirrored file.
9007 * @chunk: A chunk and its corresponding valid mirror ids.
9008 * @verbose: Verbose mode.
9010 * This function verifies a @chunk contains exactly the same data
9011 * ammong the mirrors that cover it.
9013 * If @verbose is specified, then the function will print where the
9014 * differences are if the data do not match. Otherwise, it will
9015 * just return an error in that case.
9017 * Return: 0 on success or a negative error code on failure.
9020 int lfs_mirror_verify_chunk(int fd, size_t file_size,
9021 struct verify_chunk *chunk, int verbose)
9023 const size_t buflen = 4 * 1024 * 1024; /* 4M */
9025 size_t page_size = sysconf(_SC_PAGESIZE);
9031 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9038 rc = posix_memalign(&buf, page_size, buflen);
9039 if (rc) /* error code is returned directly */
9043 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
9044 PEXT(&chunk->chunk));
9045 for (i = 0; i < chunk->mirror_count; i++)
9046 fprintf(stdout, " %u", chunk->mirror_id[i]);
9047 fprintf(stdout, "\n");
9051 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
9052 pos = chunk->chunk.e_start;
9053 while (bytes_done < count) {
9054 /* compute initial CRC-32 checksum */
9055 crc = crc32(0L, Z_NULL, 0);
9056 memset(crc_array, 0, sizeof(crc_array));
9059 for (i = 0; i < chunk->mirror_count; i++) {
9060 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
9062 if (bytes_read < 0) {
9065 "%s: failed to read data from mirror %u: %s.\n",
9066 progname, chunk->mirror_id[i],
9071 /* compute new CRC-32 checksum */
9072 crc_array[i] = crc32(crc, buf, bytes_read);
9076 print_checksums(chunk, crc_array);
9078 /* compare CRC-32 checksum values */
9079 for (i = 1; i < chunk->mirror_count; i++) {
9080 if (crc_array[i] != crc_array[0]) {
9086 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
9087 progname, PEXT(&chunk->chunk),
9088 chunk->mirror_id[0],
9089 chunk->mirror_id[i]);
9094 bytes_done += bytes_read;
9097 if (verbose > 1 && rc == 0) {
9098 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
9099 PEXT(&chunk->chunk));
9100 for (i = 0; i < chunk->mirror_count; i++)
9101 fprintf(stdout, " %u", chunk->mirror_id[i]);
9102 fprintf(stdout, " PASS\n\n");
9111 * lfs_mirror_verify_file() - Verify a mirrored file.
9112 * @fname: Mirrored file name.
9113 * @mirror_ids: Specified mirror ids to be verified.
9114 * @ids_nr: Number of specified mirror ids.
9115 * @verbose: Verbose mode.
9117 * This function verifies that each SYNC mirror of a mirrored file
9118 * specified by @fname contains exactly the same data.
9120 * If @mirror_ids is specified, then the function will verify the
9121 * mirrors specified by @mirror_ids contain exactly the same data.
9123 * If @verbose is specified, then the function will print where the
9124 * differences are if the data do not match. Otherwise, it will
9125 * just return an error in that case.
9127 * Return: 0 on success or a negative error code on failure.
9130 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
9133 struct verify_chunk chunks_array[1024] = { };
9134 struct llapi_layout *layout = NULL;
9138 int chunk_count = 0;
9144 if (stat(fname, &stbuf) < 0) {
9145 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9146 progname, fname, strerror(errno));
9151 if (!S_ISREG(stbuf.st_mode)) {
9152 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9158 if (stbuf.st_size == 0) {
9160 fprintf(stdout, "%s: '%s' file size is 0.\n",
9166 fd = open(fname, O_DIRECT | O_RDONLY);
9168 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9169 progname, fname, strerror(errno));
9174 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9176 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9177 progname, fname, strerror(errno));
9181 layout = llapi_layout_get_by_fd(fd, 0);
9182 if (layout == NULL) {
9183 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9184 progname, fname, strerror(errno));
9186 llapi_lease_release(fd);
9190 rc = llapi_layout_flags_get(layout, &flr_state);
9192 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9193 progname, fname, strerror(errno));
9198 flr_state &= LCM_FL_FLR_MASK;
9199 switch (flr_state) {
9202 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9203 progname, fname, llapi_layout_flags_string(flr_state));
9209 /* find out mirror chunks to be verified */
9210 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
9211 ARRAY_SIZE(chunks_array));
9212 if (chunk_count < 0) {
9218 /* filter specified mirror ids */
9219 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
9222 print_chunks(fname, chunks_array, chunk_count);
9224 for (idx = 0; idx < chunk_count; idx++) {
9225 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
9228 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
9230 PEXT(&chunks_array[idx].chunk),
9231 (unsigned long long)stbuf.st_size);
9235 if (chunks_array[idx].mirror_count == 0) {
9237 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
9239 PEXT(&chunks_array[idx].chunk));
9241 fprintf(stderr, "skipped\n");
9245 fprintf(stderr, "failed\n");
9249 if (chunks_array[idx].mirror_count == 1) {
9252 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
9254 PEXT(&chunks_array[idx].chunk),
9255 chunks_array[idx].mirror_id[0]);
9259 rc = llapi_lease_check(fd);
9260 if (rc != LL_LEASE_RDLCK) {
9261 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9266 /* verify one chunk */
9267 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
9268 &chunks_array[idx], verbose);
9282 llapi_layout_free(layout);
9283 llapi_lease_release(fd);
9291 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
9292 * @argc: The count of lfs mirror verify command line arguments.
9293 * @argv: Array of strings for lfs mirror verify command line arguments.
9295 * This function parses lfs mirror verify command and verifies the
9296 * specified mirrored file(s).
9298 * Return: 0 on success or a negative error code on failure.
9300 static inline int lfs_mirror_verify(int argc, char **argv)
9302 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9310 struct option long_opts[] = {
9311 { .val = 'o', .name = "only", .has_arg = required_argument },
9312 { .val = 'v', .name = "verbose", .has_arg = no_argument },
9315 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
9317 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
9320 rc = parse_mirror_ids(mirror_ids,
9321 ARRAY_SIZE(mirror_ids),
9325 "%s: bad mirror ids '%s'.\n",
9332 "%s: at least 2 mirror ids needed with '--only' option.\n",
9342 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9343 progname, argv[optind - 1]);
9349 if (argc == optind) {
9350 fprintf(stderr, "%s: no file name given.\n", progname);
9355 if (ids_nr > 0 && argc > optind + 1) {
9357 "%s: '--only' cannot be used upon multiple files.\n",
9365 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9371 for (; optind < argc; optind++) {
9372 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
9382 * lfs_mirror() - Parse and execute lfs mirror commands.
9383 * @argc: The count of lfs mirror command line arguments.
9384 * @argv: Array of strings for lfs mirror command line arguments.
9386 * This function parses lfs mirror commands and performs the
9387 * corresponding functions specified in mirror_cmdlist[].
9389 * Return: 0 on success or an error code on failure.
9391 static int lfs_mirror(int argc, char **argv)
9398 Parser_init("lfs-mirror > ", mirror_cmdlist);
9400 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
9402 program_invocation_short_name = cmd;
9404 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
9406 rc = Parser_commands();
9408 return rc < 0 ? -rc : rc;
9411 static void lustre_som_swab(struct lustre_som_attrs *attrs)
9413 #if __BYTE_ORDER == __BIG_ENDIAN
9414 __swab16s(&attrs->lsa_valid);
9415 __swab64s(&attrs->lsa_size);
9416 __swab64s(&attrs->lsa_blocks);
9422 LFS_SOM_BLOCKS = 0x2,
9423 LFS_SOM_FLAGS = 0x4,
9424 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
9428 static int lfs_getsom(int argc, char **argv)
9431 struct lustre_som_attrs *attrs;
9432 char buf[sizeof(*attrs) + 64];
9433 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
9436 while ((c = getopt(argc, argv, "sbf")) != -1) {
9439 type = LFS_SOM_SIZE;
9442 type = LFS_SOM_BLOCKS;
9445 type = LFS_SOM_FLAGS;
9448 fprintf(stderr, "%s: invalid option '%c'\n",
9458 fprintf(stderr, "%s: %s\n",
9459 progname, argc == 0 ? "miss file target" :
9460 "input more than 2 files");
9465 attrs = (void *)buf;
9466 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
9469 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
9470 argv[0], strerror(errno), errno);
9474 lustre_som_swab(attrs);
9477 case LFS_SOM_ATTR_ALL:
9478 printf("file: %s size: %llu blocks: %llu flags: %x\n",
9479 path, attrs->lsa_size, attrs->lsa_blocks,
9483 printf("%llu\n", attrs->lsa_size);
9485 case LFS_SOM_BLOCKS:
9486 printf("%llu\n", attrs->lsa_blocks);
9489 printf("%x\n", attrs->lsa_valid);
9492 fprintf(stderr, "%s: unknown option\n", progname);
9500 * lfs_mirror_list_commands() - List lfs mirror commands.
9501 * @argc: The count of command line arguments.
9502 * @argv: Array of strings for command line arguments.
9504 * This function lists lfs mirror commands defined in mirror_cmdlist[].
9506 * Return: 0 on success.
9508 static int lfs_mirror_list_commands(int argc, char **argv)
9510 char buffer[81] = "";
9512 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
9518 static int lfs_list_commands(int argc, char **argv)
9520 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
9522 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
9527 int main(int argc, char **argv)
9531 /* Ensure that liblustreapi constructor has run */
9532 if (!llapi_liblustreapi_initialized())
9533 fprintf(stderr, "liblustreapi was not properly initialized\n");
9538 Parser_init("lfs > ", cmdlist);
9540 progname = program_invocation_short_name; /* Used in error messages */
9542 llapi_set_command_name(argv[1]);
9543 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
9544 llapi_clear_command_name();
9546 rc = Parser_commands();
9549 return rc < 0 ? -rc : rc;
9552 #ifdef _LUSTRE_IDL_H_
9553 /* Everything we need here should be included by lustreapi.h. */
9554 # error "lfs should not depend on lustre_idl.h"
9555 #endif /* _LUSTRE_IDL_H_ */