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_poollist(int argc, char **argv);
102 static int lfs_changelog(int argc, char **argv);
103 static int lfs_changelog_clear(int argc, char **argv);
104 static int lfs_fid2path(int argc, char **argv);
105 static int lfs_path2fid(int argc, char **argv);
106 static int lfs_data_version(int argc, char **argv);
107 static int lfs_hsm_state(int argc, char **argv);
108 static int lfs_hsm_set(int argc, char **argv);
109 static int lfs_hsm_clear(int argc, char **argv);
110 static int lfs_hsm_action(int argc, char **argv);
111 static int lfs_hsm_archive(int argc, char **argv);
112 static int lfs_hsm_restore(int argc, char **argv);
113 static int lfs_hsm_release(int argc, char **argv);
114 static int lfs_hsm_remove(int argc, char **argv);
115 static int lfs_hsm_cancel(int argc, char **argv);
116 static int lfs_swap_layouts(int argc, char **argv);
117 static int lfs_mv(int argc, char **argv);
118 static int lfs_ladvise(int argc, char **argv);
119 static int lfs_getsom(int argc, char **argv);
120 static int lfs_heat_get(int argc, char **argv);
121 static int lfs_heat_set(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);
129 static inline int lfs_mirror_copy(int argc, char **argv);
131 enum setstripe_origin {
139 static int lfs_setstripe_internal(int argc, char **argv,
140 enum setstripe_origin opc);
142 static inline int lfs_setstripe(int argc, char **argv)
144 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
146 static inline int lfs_setstripe_migrate(int argc, char **argv)
148 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
150 static inline int lfs_mirror_create(int argc, char **argv)
152 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
154 static inline int lfs_mirror_extend(int argc, char **argv)
156 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
158 static inline int lfs_mirror_split(int argc, char **argv)
160 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
163 /* Setstripe and migrate share mostly the same parameters */
164 #define SSM_CMD_COMMON(cmd) \
165 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
166 " [--stripe-count|-c <stripe_count>]\n" \
167 " [--stripe-index|-i <start_ost_idx>]\n" \
168 " [--stripe-size|-S <stripe_size>]\n" \
169 " [--layout|-L <pattern>]\n" \
170 " [--pool|-p <pool_name>]\n" \
171 " [--ost|-o <ost_indices>]\n" \
172 " [--yaml|-y <yaml_template_file>]\n" \
173 " [--copy=<lustre_src>]\n"
175 #define SSM_HELP_COMMON \
176 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
177 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
178 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
179 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
180 "\t respectively)\n" \
181 "\tpool_name: Name of OST pool to use (default none)\n" \
182 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
183 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
184 "\t Indices be specified in a format of:\n" \
185 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
187 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
188 "\t If --pool is set with --ost, then the OSTs\n" \
189 "\t must be the members of the pool.\n" \
190 "\tcomp_end: Extent end of component, start after previous end.\n"\
191 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
192 "\t respectively, -1 for EOF). Must be a multiple of\n"\
193 "\t stripe_size.\n" \
194 "\tyaml_template_file:\n" \
195 "\t YAML layout template file, can't be used with -c,\n" \
196 "\t -i, -S, -p, -o, or -E arguments.\n" \
197 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
198 "\t another lustre file or directory, can't used with\n" \
199 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
201 #define MIRROR_CREATE_HELP \
202 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
203 "\t setstripe layout options\n" \
204 "\t It defaults to 1 if not specified; if specified,\n" \
205 "\t it must follow the option without a space.\n" \
206 "\t The option can also be repeated multiple times to\n" \
207 "\t separate mirrors that have different layouts.\n" \
208 "\tsetstripe options: Mirror layout\n" \
209 "\t It can be a plain layout or a composite layout.\n" \
210 "\t If not specified, the stripe options inherited\n" \
211 "\t from the previous component will be used.\n" \
212 "\tflags: set flags to the component of the current mirror.\n" \
213 "\t Only \"prefer\" flag is supported so far.\n"
215 #define MIRROR_EXTEND_HELP \
217 "\tvictim_file: The layout of victim_file will be split and used\n" \
218 "\t as a mirror added to the mirrored file.\n" \
219 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
220 "\t from victim file(s) in case the victim file(s)\n" \
221 "\t contains the same data as the original mirrored\n" \
224 #define MIRROR_EXTEND_USAGE \
225 " <--mirror-count|-N[mirror_count]>\n" \
226 " [setstripe options|-f <victim_file>]\n" \
229 #define SETSTRIPE_USAGE \
230 SSM_CMD_COMMON("setstripe") \
231 MIRROR_EXTEND_USAGE \
232 " <directory|filename>\n" \
236 #define MIGRATE_USAGE \
237 SSM_CMD_COMMON("migrate ") \
238 " [--block|-b] [--non-block|-n]\n" \
239 " [--non-direct|-D] [--verbose|-v]\n" \
243 "\tblock: Block file access during data migration (default)\n" \
244 "\tnon-block: Abort migrations if concurrent access is detected\n" \
245 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
246 "\tverbose: Print each filename as it is migrated\n" \
248 #define SETDIRSTRIPE_USAGE \
249 " [--mdt-count|-c stripe_count>\n" \
250 " [--mdt-hash|-H mdt_hash]\n" \
251 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
252 " [--default|-D] [--mode|-o mode] <dir>\n" \
253 "\tstripe_count: stripe count of the striped directory\n" \
254 "\tmdt_index: MDT index of first stripe\n" \
255 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
256 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
257 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
258 "\tdefault_stripe: set default dirstripe of the directory\n" \
259 "\tmode: the file access permission of the directory (octal)\n"
262 * command_t mirror_cmdlist - lfs mirror commands.
264 command_t mirror_cmdlist[] = {
265 { .pc_name = "create", .pc_func = lfs_mirror_create,
266 .pc_help = "Create a mirrored file.\n"
267 "usage: lfs mirror create "
268 "<--mirror-count|-N[mirror_count]> "
269 "[setstripe options] ... <filename|directory>\n"
270 MIRROR_CREATE_HELP },
271 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
272 .pc_help = "Extend a mirrored file.\n"
273 "usage: lfs mirror extend "
274 "<--mirror-count|-N[mirror_count]> [--no-verify] "
275 "[setstripe options|-f <victim_file>] ... <filename>\n"
276 MIRROR_EXTEND_HELP },
277 { .pc_name = "split", .pc_func = lfs_mirror_split,
278 .pc_help = "Split a mirrored file.\n"
279 "usage: lfs mirror split <--mirror-id <mirror_id> | \n"
280 "\t <--component-id|-I <comp_id>> [--destroy|-d] \n"
281 "\t [-f <new_file>] <mirrored file>\n"
282 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
283 "\t can be fetched by lfs getstripe command.\n"
284 "\tcomp_id: Unique component ID within a mirror.\n"
285 "\tnew_file: This option indicates the layout of the split\n"
286 "\t mirror will be stored into. If not specified,\n"
287 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
288 "\t will be used.\n" },
289 { .pc_name = "read", .pc_func = lfs_mirror_read,
290 .pc_help = "Read the content of a specified mirror of a file.\n"
291 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
292 "[--outfile|-o <output_file>] <mirrored_file>\n" },
293 { .pc_name = "write", .pc_func = lfs_mirror_write,
294 .pc_help = "Write to a specified mirror of a file.\n"
295 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
296 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
297 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
298 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
299 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
300 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
301 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
302 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
303 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
304 "<mirrored file> [<mirrored file2>...]\n"},
305 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
306 .pc_help = "Verify mirrored file(s).\n"
307 "usage: lfs mirror verify "
308 "[--only <mirror_id,mirror_id2[,...]>] "
309 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
310 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
311 .pc_help = "list commands supported by lfs mirror"},
312 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
313 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
314 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
318 /* all available commands */
319 command_t cmdlist[] = {
320 {"setstripe", lfs_setstripe, 0,
321 "To create a file with specified striping/composite layout, or\n"
322 "create/replace the default layout on an existing directory:\n"
323 SSM_CMD_COMMON("setstripe")
324 " <directory|filename>\n"
326 "To add component(s) to an existing composite file:\n"
327 SSM_CMD_COMMON("setstripe --component-add")
329 "To totally delete the default striping from an existing directory:\n"
330 "usage: setstripe -d <directory>\n"
332 "To create a mirrored file or set s default mirror layout on a directory:\n"
333 "usage: setstripe -N[mirror_count] [STRIPE_OPTIONS] <directory|filename>\n"
335 "To delete the last component(s) from an existing composite file\n"
336 "(note that this will also delete any data in those components):\n"
337 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
338 " [--component-flags|-F <comp_flags>]\n"
340 "\tcomp_id: Unique component ID to delete\n"
341 "\tcomp_flags: 'init' indicating all instantiated components\n"
342 "\t '^init' indicating all uninstantiated components\n"
343 "\t-I and -F cannot be specified at the same time\n"},
344 {"getstripe", lfs_getstripe, 0,
345 "To list the layout pattern for a given file or files in a\n"
346 "directory or recursively for all files in a directory tree.\n"
347 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
348 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
349 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
350 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
351 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
352 " [--component-id[=comp_id]|-I[comp_id]]\n"
353 " [--component-flags[=comp_flags]]\n"
354 " [--component-count]\n"
355 " [--component-start[=[+-]comp_start]]\n"
356 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
357 " [[!] --mirror-index=[+-]<index> |\n"
358 " [!] --mirror-id=[+-]<id>]\n"
359 " <directory|filename> ..."},
360 {"setdirstripe", lfs_setdirstripe, 0,
361 "To create a striped directory on a specified MDT. This can only\n"
362 "be done on MDT0 with the right of administrator.\n"
363 "usage: setdirstripe [OPTION] <directory>\n"
365 {"getdirstripe", lfs_getdirstripe, 0,
366 "To list the layout pattern info for a given directory\n"
367 "or recursively for all directories in a directory tree.\n"
368 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
369 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
370 " [--recursive|-r] [--yaml|-y]\n"
371 " [--default|-D] <dir> ..."},
372 {"mkdir", lfs_setdirstripe, 0,
373 "To create a striped directory on a specified MDT. This can only\n"
374 "be done on MDT0 with the right of administrator.\n"
375 "usage: mkdir [OPTION] <directory>\n"
377 {"rm_entry", lfs_rmentry, 0,
378 "To remove the name entry of the remote directory. Note: This\n"
379 "command will only delete the name entry, i.e. the remote directory\n"
380 "will become inaccessable after this command. This can only be done\n"
381 "by the administrator\n"
382 "usage: rm_entry <dir>\n"},
383 {"pool_list", lfs_poollist, 0,
384 "List pools or pool OSTs\n"
385 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
386 {"find", lfs_find, 0,
387 "find files matching given attributes recursively in directory tree.\n"
388 "usage: find <directory|filename> ...\n"
389 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
390 " [[!] --mtime|-M [+-]N[smhdwy]] [[!] --blocks|-b N]\n"
391 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
392 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
393 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
394 " [[!] --stripe-count|-c [+-]<stripes>]\n"
395 " [[!] --stripe-index|-i <index,...>]\n"
396 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
397 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
398 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
399 " [[!] --projid <projid>]\n"
400 " [[!] --layout|-L released,raid0,mdt]\n"
401 " [[!] --component-count [+-]<comp_cnt>]\n"
402 " [[!] --component-start [+-]N[kMGTPE]]\n"
403 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
404 " [[!] --component-flags <comp_flags>]\n"
405 " [[!] --mirror-count|-N [+-]<n>]\n"
406 " [[!] --mirror-state <[^]state>]\n"
407 " [[!] --mdt-count|-T [+-]<stripes>]\n"
408 " [[!] --mdt-hash|-H <hashtype>\n"
409 " [[!] --mdt-index|-m <uuid|index,...>]\n"
410 "\t !: used before an option indicates 'NOT' requested attribute\n"
411 "\t -: used before a value indicates less than requested value\n"
412 "\t +: used before a value indicates more than requested value\n"
413 "\thashtype: hash type of the striped directory.\n"
414 "\t fnv_1a_64 FNV-1a hash algorithm\n"
415 "\t all_char sum of characters % MDT_COUNT\n"},
416 {"check", lfs_check, 0,
417 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
418 "or all the servers (MGTs, MDTs and OSTs).\n"
419 "usage: check <mgts|osts|mdts|all>"},
420 {"osts", lfs_osts, 0, "list OSTs connected to client "
421 "[for specified path only]\n" "usage: osts [path]"},
422 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
423 "[for specified path only]\n" "usage: mdts [path]"},
425 "report filesystem disk space usage or inodes usage "
426 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
427 "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
428 {"getname", lfs_getname, 0,
429 "list instances and specified mount points [for specified path only]\n"
430 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
431 #ifdef HAVE_SYS_QUOTA_H
432 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
433 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
434 " -b <block-softlimit> -B <block-hardlimit>\n"
435 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
436 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
437 " [--block-softlimit <block-softlimit>]\n"
438 " [--block-hardlimit <block-hardlimit>]\n"
439 " [--inode-softlimit <inode-softlimit>]\n"
440 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
441 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
442 " [--block-grace <block-grace>]\n"
443 " [--inode-grace <inode-grace>] <filesystem>\n"
444 " setquota <-U|-G|-P>\n"
445 " -b <block-softlimit> -B <block-hardlimit>\n"
446 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
447 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
448 " [--block-softlimit <block-softlimit>]\n"
449 " [--block-hardlimit <block-hardlimit>]\n"
450 " [--inode-softlimit <inode-softlimit>]\n"
451 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
452 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
454 " -b can be used instead of --block-softlimit/--block-grace\n"
455 " -B can be used instead of --block-hardlimit\n"
456 " -i can be used instead of --inode-softlimit/--inode-grace\n"
457 " -I can be used instead of --inode-hardlimit\n"
458 " -d can be used instead of --default\n\n"
459 "Note: The total quota space will be split into many qunits and\n"
460 " balanced over all server targets, the minimal qunit size is\n"
461 " 1M bytes for block space and 1K inodes for inode space.\n\n"
462 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
463 " Quota space rebalancing process will stop when this mininum\n"
464 " value is reached. As a result, quota exceeded can be returned\n"
465 " while many targets still have 1MB or 1K inodes of spare\n"
467 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
468 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
470 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
471 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
472 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
473 {"project", lfs_project, 0,
474 "Change or list project attribute for specified file or directory.\n"
475 "usage: project [-d|-r] <file|directory...>\n"
476 " list project ID and flags on file(s) or directories\n"
477 " project [-p id] [-s] [-r] <file|directory...>\n"
478 " set project ID and/or inherit flag for specified file(s) or directories\n"
479 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
480 " check project ID and flags on file(s) or directories, print outliers\n"
481 " project -C [-r] [-k] <file|directory...>\n"
482 " clear the project inherit flag and ID on the file or directory\n"
485 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
486 "usage: flushctx [-k] [mountpoint...]"},
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-count|-c] <stripe_count>\n"
545 " [--mdt-hash|-H] <hash_type>\n"
546 " [--mdt-index|-m] <start_mdt_index>\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: Block file access during data migration (default)\n"
574 "\tnon-block: Abort migrations if concurrent access is detected\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 copy - copy a mirror to other mirror(s) of a file\n"
597 "lfs mirror verify - verify mirrored file(s)\n"},
598 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
599 "usage: getsom [-s] [-b] [-f] <path>\n"
600 "\t-s: Only show the size value of the SOM data for a given file\n"
601 "\t-b: Only show the blocks value of the SOM data for a given file\n"
602 "\t-f: Only show the flags value of the SOM data for a given file\n"},
603 {"heat_get", lfs_heat_get, 0,
604 "To get heat of files.\n"
605 "usage: heat_get <file> ...\n"},
606 {"heat_set", lfs_heat_set, 0,
607 "To set heat flags of files.\n"
608 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
609 "\t--clear|-c: Clear file heat for given files\n"
610 "\t--off|-o: Turn off file heat for given files\n"
611 "\t--on|-O: Turn on file heat for given files\n"},
612 {"help", Parser_help, 0, "help"},
613 {"exit", Parser_quit, 0, "quit"},
614 {"quit", Parser_quit, 0, "quit"},
615 {"--version", Parser_version, 0,
616 "output build version of the utility and exit"},
617 {"--list-commands", lfs_list_commands, 0,
618 "list commands supported by the utility and exit"},
623 static int check_hashtype(const char *hashtype)
627 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
628 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
635 static const char *error_loc = "syserror";
638 MIGRATION_NONBLOCK = 0x0001,
639 MIGRATION_MIRROR = 0x0002,
640 MIGRATION_NONDIRECT = 0x0004,
641 MIGRATION_VERBOSE = 0x0008,
644 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
645 struct llapi_layout *layout);
648 migrate_open_files(const char *name, __u64 migration_flags,
649 const struct llapi_stripe_param *param,
650 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
657 char parent[PATH_MAX];
658 char volatile_file[PATH_MAX];
664 if (param == NULL && layout == NULL) {
665 error_loc = "layout information";
669 /* search for file directory pathname */
670 if (strlen(name) > sizeof(parent) - 1) {
671 error_loc = "source file name";
675 strncpy(parent, name, sizeof(parent));
676 ptr = strrchr(parent, '/');
678 if (getcwd(parent, sizeof(parent)) == NULL) {
679 error_loc = "getcwd";
683 if (ptr == parent) /* leading '/' */
688 /* open file, direct io */
689 /* even if the file is only read, WR mode is nedeed to allow
690 * layout swap on fd */
692 if (!(migration_flags & MIGRATION_NONDIRECT))
694 fd = open(name, rflags);
697 error_loc = "cannot open source file";
701 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
703 error_loc = "cannot get MDT index";
708 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
709 mode_t open_mode = S_IRUSR | S_IWUSR;
711 random_value = random();
712 rc = snprintf(volatile_file, sizeof(volatile_file),
713 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
714 mdt_index, random_value);
715 if (rc >= sizeof(volatile_file)) {
720 /* create, open a volatile file, use caching (ie no directio) */
722 fdv = llapi_file_open_param(volatile_file, open_flags,
725 fdv = lfs_component_create(volatile_file, open_flags,
727 } while (fdv < 0 && (rc = fdv) == -EEXIST);
730 error_loc = "cannot create volatile file";
734 /* In case the MDT does not support creation of volatile files
735 * we should try to unlink it. */
736 (void)unlink(volatile_file);
738 /* Not-owner (root?) special case.
739 * Need to set owner/group of volatile file like original.
740 * This will allow to pass related check during layout_swap.
745 error_loc = "cannot stat source file";
749 rc = fstat(fdv, &stv);
752 error_loc = "cannot stat volatile";
756 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
757 rc = fchown(fdv, st.st_uid, st.st_gid);
760 error_loc = "cannot change ownwership of volatile";
779 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
781 struct llapi_layout *layout;
782 size_t buf_size = 4 * 1024 * 1024;
791 layout = llapi_layout_get_by_fd(fd_src, 0);
792 if (layout != NULL) {
793 uint64_t stripe_size;
795 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
797 buf_size = stripe_size;
799 llapi_layout_free(layout);
802 /* Use a page-aligned buffer for direct I/O */
803 rc = posix_memalign(&buf, getpagesize(), buf_size);
808 /* read new data only if we have written all
809 * previously read data */
812 rc = check_file(fd_src);
817 rsize = read(fd_src, buf, buf_size);
829 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
848 static int migrate_copy_timestamps(int fd, int fdv)
852 if (fstat(fd, &st) == 0) {
853 struct timeval tv[2] = {
854 {.tv_sec = st.st_atime},
855 {.tv_sec = st.st_mtime}
858 return futimes(fdv, tv);
864 static int migrate_block(int fd, int fdv)
871 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
873 error_loc = "cannot get dataversion";
881 /* The grouplock blocks all concurrent accesses to the file.
882 * It has to be taken after llapi_get_data_version as it would
884 rc = llapi_group_lock(fd, gid);
886 error_loc = "cannot get group lock";
890 rc = migrate_copy_data(fd, fdv, NULL);
892 error_loc = "data copy failed";
896 /* Make sure we keep original atime/mtime values */
897 rc = migrate_copy_timestamps(fd, fdv);
899 error_loc = "timestamp copy failed";
904 * for a migration we need to check data version on file did
907 * Pass in gid=0 since we already own grouplock. */
908 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
909 SWAP_LAYOUTS_CHECK_DV1);
911 error_loc = "file changed";
914 error_loc = "cannot swap layout";
919 rc2 = llapi_group_unlock(fd, gid);
920 if (rc2 < 0 && rc == 0) {
921 error_loc = "unlock group lock";
929 * Internal helper for migrate_copy_data(). Check lease and report error if
932 * \param[in] fd File descriptor on which to check the lease.
934 * \retval 0 Migration can keep on going.
935 * \retval -errno Error occurred, abort migration.
937 static int check_lease(int fd)
941 rc = llapi_lease_check(fd);
943 return 0; /* llapi_check_lease returns > 0 on success. */
948 static int migrate_nonblock(int fd, int fdv)
954 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
956 error_loc = "cannot get data version";
960 rc = migrate_copy_data(fd, fdv, check_lease);
962 error_loc = "data copy failed";
966 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
968 error_loc = "cannot get data version";
974 error_loc = "source file changed";
978 /* Make sure we keep original atime/mtime values */
979 rc = migrate_copy_timestamps(fd, fdv);
981 error_loc = "timestamp copy failed";
988 static int lfs_component_set(char *fname, int comp_id,
989 __u32 flags, __u32 neg_flags)
992 __u32 flags_array[2];
997 ids[count] = comp_id;
998 flags_array[count] = flags;
1003 ids[count] = comp_id;
1004 flags_array[count] = neg_flags | LCME_FL_NEG;
1008 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1011 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1012 progname, comp_id, fname, flags, neg_flags);
1017 static int lfs_component_del(char *fname, __u32 comp_id,
1018 __u32 flags, __u32 neg_flags)
1022 if (flags && neg_flags)
1025 if (!flags && neg_flags)
1026 flags = neg_flags | LCME_FL_NEG;
1028 if ((flags && comp_id) || (!flags && !comp_id))
1031 /* LCME_FL_INIT is the only supported flag in PFL */
1033 if (flags & ~LCME_KNOWN_FLAGS) {
1035 "%s setstripe: unknown flags %#x\n",
1039 } else if (comp_id > LCME_ID_MAX) {
1040 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1045 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1048 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1049 progname, comp_id, fname, strerror(errno));
1053 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1060 rc = llapi_layout_file_comp_add(fname, layout);
1062 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1063 fname, strerror(errno));
1067 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1068 struct llapi_layout *layout)
1076 fd = lstat(fname, &st);
1077 if (fd == 0 && S_ISDIR(st.st_mode))
1078 open_flags = O_DIRECTORY | O_RDONLY;
1080 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1082 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1083 S_ISDIR(st.st_mode) ?
1084 "set default composite layout for" :
1085 "create composite file",
1086 fname, strerror(errno));
1090 static int lfs_migrate(char *name, __u64 migration_flags,
1091 struct llapi_stripe_param *param,
1092 struct llapi_layout *layout)
1098 rc = migrate_open_files(name, migration_flags, param, layout,
1103 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1104 /* Blocking mode (forced if servers do not support file lease).
1105 * It is also the default mode, since we cannot distinguish
1106 * between a broken lease and a server that does not support
1107 * atomic swap/close (LU-6785) */
1108 rc = migrate_block(fd, fdv);
1112 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1114 error_loc = "cannot get lease";
1118 rc = migrate_nonblock(fd, fdv);
1120 llapi_lease_release(fd);
1124 /* Atomically put lease, swap layouts and close.
1125 * for a migration we need to check data version on file did
1127 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1129 error_loc = "cannot swap layout";
1141 fprintf(stderr, "error: %s: %s: %s: %s\n",
1142 progname, name, error_loc, strerror(-rc));
1143 else if (migration_flags & MIGRATION_VERBOSE)
1144 printf("%s\n", name);
1149 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1158 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1162 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1163 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1164 const char *comp_name = comp_flags_table[i].cfn_name;
1166 if (strcmp(name, comp_name) == 0) {
1167 *flags |= comp_flag;
1169 } else if (strncmp(name, "^", 1) == 0 &&
1170 strcmp(name + 1, comp_name) == 0) {
1171 *neg_flags |= comp_flag;
1176 llapi_printf(LLAPI_MSG_ERROR,
1177 "%s: component flag '%s' not supported\n",
1183 if (!*flags && !*neg_flags)
1186 /* don't allow to set and exclude the same flag */
1187 if (*flags & *neg_flags)
1193 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1201 if (strncmp(string, "^", 1) == 0) {
1202 *neg_state = llapi_layout_string_flags(string + 1);
1203 if (*neg_state != 0)
1206 *state = llapi_layout_string_flags(string);
1211 llapi_printf(LLAPI_MSG_ERROR,
1212 "%s: mirrored file state '%s' not supported\n",
1218 * struct mirror_args - Command-line arguments for mirror(s).
1219 * @m_count: Number of mirrors to be created with this layout.
1220 * @m_flags: Mirror level flags, only 'prefer' is supported.
1221 * @m_layout: Mirror layout.
1222 * @m_file: A victim file. Its layout will be split and used as a mirror.
1223 * @m_next: Point to the next node of the list.
1225 * Command-line arguments for mirror(s) will be parsed and stored in
1226 * a linked list that consists of this structure.
1228 struct mirror_args {
1231 struct llapi_layout *m_layout;
1233 struct mirror_args *m_next;
1236 static int mirror_sanity_check_flags(struct llapi_layout *layout, void *unused)
1241 rc = llapi_layout_comp_flags_get(layout, &flags);
1245 if (flags & LCME_FL_NEG) {
1246 fprintf(stderr, "error: %s: negative flags are not supported\n",
1251 if (flags & LCME_FL_STALE) {
1252 fprintf(stderr, "error: %s: setting '%s' is not supported\n",
1253 progname, comp_flags_table[LCME_FL_STALE].cfn_name);
1257 return LLAPI_LAYOUT_ITER_CONT;
1260 static inline int mirror_sanity_check_one(struct llapi_layout *layout)
1262 uint64_t start, end;
1266 /* LU-10112: do not support dom+flr in phase 1 */
1267 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
1271 rc = llapi_layout_pattern_get(layout, &pattern);
1275 if (pattern == LOV_PATTERN_MDT || pattern == LLAPI_LAYOUT_MDT) {
1276 fprintf(stderr, "error: %s: doesn't support dom+flr for now\n",
1281 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_LAST);
1285 rc = llapi_layout_comp_extent_get(layout, &start, &end);
1289 if (end != LUSTRE_EOF) {
1290 fprintf(stderr, "error: %s: mirror layout doesn't reach eof\n",
1295 rc = llapi_layout_comp_iterate(layout, mirror_sanity_check_flags, NULL);
1300 * enum mirror_flags - Flags for extending a mirrored file.
1301 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1302 * in case the victim file(s) contains the same data as the
1303 * original mirrored file.
1304 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1305 * @MF_COMP_ID: specified component id instead of mirror id
1307 * Flags for extending a mirrored file.
1316 * mirror_create_sanity_check() - Check mirror list.
1317 * @list: A linked list that stores the mirror arguments.
1319 * This function does a sanity check on @list for creating
1322 * Return: 0 on success or a negative error code on failure.
1324 static int mirror_create_sanity_check(const char *fname,
1325 struct mirror_args *list)
1328 bool has_m_file = false;
1329 bool has_m_layout = false;
1335 struct llapi_layout *layout;
1337 layout = llapi_layout_get_by_path(fname, 0);
1340 "error: %s: file '%s' couldn't get layout\n",
1345 rc = mirror_sanity_check_one(layout);
1346 llapi_layout_free(layout);
1352 while (list != NULL) {
1353 if (list->m_file != NULL) {
1355 llapi_layout_free(list->m_layout);
1358 llapi_layout_get_by_path(list->m_file, 0);
1359 if (list->m_layout == NULL) {
1361 "error: %s: file '%s' has no layout\n",
1362 progname, list->m_file);
1366 has_m_layout = true;
1367 if (list->m_layout == NULL) {
1368 fprintf(stderr, "error: %s: no mirror layout\n",
1374 rc = mirror_sanity_check_one(list->m_layout);
1378 list = list->m_next;
1381 if (has_m_file && has_m_layout) {
1383 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1391 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1393 __u32 mirror_flags = *(__u32 *)cbdata;
1397 rc = llapi_layout_comp_flags_get(layout, &flags);
1402 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1407 return LLAPI_LAYOUT_ITER_CONT;
1411 * mirror_create() - Create a mirrored file.
1412 * @fname: The file to be created.
1413 * @mirror_list: A linked list that stores the mirror arguments.
1415 * This function creates a mirrored file @fname with the mirror(s)
1416 * from @mirror_list.
1418 * Return: 0 on success or a negative error code on failure.
1420 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1422 struct llapi_layout *layout = NULL;
1423 struct mirror_args *cur_mirror = NULL;
1424 uint16_t mirror_count = 0;
1428 rc = mirror_create_sanity_check(NULL, mirror_list);
1432 cur_mirror = mirror_list;
1433 while (cur_mirror != NULL) {
1434 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1436 &cur_mirror->m_flags);
1439 fprintf(stderr, "%s: failed to set mirror flags\n",
1444 for (i = 0; i < cur_mirror->m_count; i++) {
1445 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1448 fprintf(stderr, "error: %s: "
1449 "merge layout failed: %s\n",
1450 progname, strerror(errno));
1454 mirror_count += cur_mirror->m_count;
1455 cur_mirror = cur_mirror->m_next;
1458 if (layout == NULL) {
1459 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1463 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1466 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1467 progname, strerror(errno));
1471 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1479 llapi_layout_free(layout);
1484 * Compare files and check lease on @fd.
1486 * \retval bytes number of bytes are the same
1488 static ssize_t mirror_file_compare(int fd, int fdv)
1490 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1492 ssize_t bytes_done = 0;
1493 ssize_t bytes_read = 0;
1495 buf = malloc(buflen * 2);
1500 if (!llapi_lease_check(fd)) {
1501 bytes_done = -EBUSY;
1505 bytes_read = read(fd, buf, buflen);
1506 if (bytes_read <= 0)
1509 if (bytes_read != read(fdv, buf + buflen, buflen))
1512 /* XXX: should compute the checksum on each buffer and then
1513 * compare checksum to avoid cache collision */
1514 if (memcmp(buf, buf + buflen, bytes_read))
1517 bytes_done += bytes_read;
1525 static int mirror_extend_file(const char *fname, const char *victim_file,
1526 enum mirror_flags mirror_flags)
1531 struct stat stbuf_v;
1532 struct ll_ioc_lease *data = NULL;
1535 fd = open(fname, O_RDWR);
1537 error_loc = "open source file";
1542 fdv = open(victim_file, O_RDWR);
1544 error_loc = "open target file";
1549 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1550 error_loc = "stat source or target file";
1555 if (stbuf.st_dev != stbuf_v.st_dev) {
1556 error_loc = "stat source and target file";
1561 /* mirrors should be of the same size */
1562 if (stbuf.st_size != stbuf_v.st_size) {
1563 error_loc = "file sizes don't match";
1568 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1570 error_loc = "cannot get lease";
1574 if (!(mirror_flags & MF_NO_VERIFY)) {
1576 /* mirrors should have the same contents */
1577 ret = mirror_file_compare(fd, fdv);
1578 if (ret != stbuf.st_size) {
1579 error_loc = "file busy or contents don't match";
1580 rc = ret < 0 ? ret : -EINVAL;
1585 /* Get rid of caching pages from clients */
1586 rc = llapi_file_flush(fd);
1588 error_loc = "cannot get data version";
1592 rc = llapi_file_flush(fdv);
1594 error_loc = "cannot get data version";
1599 /* Make sure we keep original atime/mtime values */
1600 rc = migrate_copy_timestamps(fd, fdv);
1602 error_loc = "cannot copy timestamp";
1606 /* Atomically put lease, merge layouts and close. */
1607 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1609 error_loc = "memory allocation";
1612 data->lil_mode = LL_LEASE_UNLCK;
1613 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1614 data->lil_count = 1;
1615 data->lil_ids[0] = fdv;
1616 rc = llapi_lease_set(fd, data);
1618 error_loc = "cannot merge layout";
1620 } else if (rc == 0) {
1622 error_loc = "lost lease lock";
1635 (void) unlink(victim_file);
1637 fprintf(stderr, "error: %s: %s: %s: %s\n",
1638 progname, fname, error_loc, strerror(-rc));
1642 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1644 struct ll_ioc_lease *data = NULL;
1649 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1653 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1655 error_loc = "cannot get lease";
1659 rc = migrate_nonblock(fd, fdv);
1661 llapi_lease_release(fd);
1665 /* Atomically put lease, merge layouts and close. */
1666 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1668 error_loc = "memory allocation";
1671 data->lil_mode = LL_LEASE_UNLCK;
1672 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1673 data->lil_count = 1;
1674 data->lil_ids[0] = fdv;
1675 rc = llapi_lease_set(fd, data);
1677 error_loc = "cannot merge layout";
1679 } else if (rc == 0) {
1681 error_loc = "lost lease lock";
1694 fprintf(stderr, "error: %s: %s: %s: %s\n",
1695 progname, name, error_loc, strerror(-rc));
1699 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1700 enum mirror_flags mirror_flags)
1704 rc = mirror_create_sanity_check(fname, mirror_list);
1708 while (mirror_list) {
1709 if (mirror_list->m_file != NULL) {
1710 rc = mirror_extend_file(fname, mirror_list->m_file,
1713 __u32 mirror_count = mirror_list->m_count;
1715 while (mirror_count > 0) {
1716 rc = mirror_extend_layout(fname,
1717 mirror_list->m_layout);
1727 mirror_list = mirror_list->m_next;
1733 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1738 rc = llapi_layout_mirror_id_get(layout, &id);
1742 if ((__u16)id == *(__u16 *)cbdata)
1743 return LLAPI_LAYOUT_ITER_STOP;
1745 return LLAPI_LAYOUT_ITER_CONT;
1748 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1753 rc = llapi_layout_comp_id_get(layout, &id);
1757 if (id == *(__u32 *)cbdata)
1758 return LLAPI_LAYOUT_ITER_STOP;
1760 return LLAPI_LAYOUT_ITER_CONT;
1762 static int mirror_split(const char *fname, __u32 id,
1763 enum mirror_flags mflags, const char *victim_file)
1765 struct llapi_layout *layout;
1766 char parent[PATH_MAX];
1767 char victim[PATH_MAX];
1768 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1770 struct ll_ioc_lease *data;
1771 uint16_t mirror_count;
1776 /* check fname contains mirror with mirror_id/comp_id */
1777 layout = llapi_layout_get_by_path(fname, 0);
1780 "error %s: file '%s' couldn't get layout\n",
1785 rc = mirror_sanity_check_one(layout);
1789 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1792 "error %s: file '%s' couldn't get mirror count\n",
1796 if (mirror_count < 2) {
1798 "error %s: file '%s' has %d component, cannot split\n",
1799 progname, fname, mirror_count);
1803 if (mflags & MF_COMP_ID) {
1804 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1805 id = mirror_id_of(id);
1807 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
1810 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
1813 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
1815 "error %s: file '%s' does not contain mirror with id %u\n",
1816 progname, fname, id);
1820 fd = open(fname, O_RDWR);
1823 "error %s: open file '%s' failed: %s\n",
1824 progname, fname, strerror(errno));
1828 /* get victim file directory pathname */
1829 if (strlen(fname) > sizeof(parent) - 1) {
1830 fprintf(stderr, "error %s: file name of '%s' too long\n",
1835 strncpy(parent, fname, sizeof(parent));
1836 ptr = strrchr(parent, '/');
1838 if (getcwd(parent, sizeof(parent)) == NULL) {
1839 fprintf(stderr, "error %s: getcwd failed: %s\n",
1840 progname, strerror(errno));
1850 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
1852 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
1857 if (victim_file == NULL) {
1858 /* use a temp file to store the splitted layout */
1859 if (mflags & MF_DESTROY) {
1860 fdv = llapi_create_volatile_idx(parent, mdt_index,
1861 O_LOV_DELAY_CREATE);
1863 snprintf(victim, sizeof(victim), "%s.mirror~%u",
1865 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
1868 /* user specified victim file */
1869 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
1874 "error %s: create victim file failed: %s\n",
1875 progname, strerror(errno));
1879 /* get lease lock of fname */
1880 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
1883 "error %s: cannot get lease of file '%s': %d\n",
1884 progname, fname, rc);
1888 /* Atomatically put lease, split layouts and close. */
1889 data = malloc(offsetof(typeof(*data), lil_ids[2]));
1895 data->lil_mode = LL_LEASE_UNLCK;
1896 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
1897 data->lil_count = 2;
1898 data->lil_ids[0] = fdv;
1899 data->lil_ids[1] = id;
1900 rc = llapi_lease_set(fd, data);
1902 if (rc == 0) /* lost lease lock */
1905 "error %s: cannot split '%s': %s\n",
1906 progname, fname, strerror(-rc));
1917 llapi_layout_free(layout);
1922 * Parse a string containing an target index list into an array of integers.
1924 * The input string contains a comma delimited list of individual
1925 * indices and ranges, for example "1,2-4,7". Add the indices into the
1926 * \a tgts array and remove duplicates.
1928 * \param[out] tgts array to store indices in
1929 * \param[in] size size of \a tgts array
1930 * \param[in] offset starting index in \a tgts
1931 * \param[in] arg string containing OST index list
1933 * \retval positive number of indices in \a tgts
1934 * \retval -EINVAL unable to parse \a arg
1936 static int parse_targets(__u32 *tgts, int size, int offset, char *arg)
1940 int slots = size - offset;
1947 end_of_loop = false;
1948 while (!end_of_loop) {
1952 char *endptr = NULL;
1956 ptr = strchrnul(arg, ',');
1958 end_of_loop = *ptr == '\0';
1961 start_index = strtol(arg, &endptr, 0);
1962 if (endptr == arg) /* no data at all */
1964 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
1967 end_index = start_index;
1968 if (*endptr == '-') {
1969 end_index = strtol(endptr + 1, &endptr, 0);
1970 if (*endptr != '\0')
1972 if (end_index < start_index)
1976 for (i = start_index; i <= end_index && slots > 0; i++) {
1979 /* remove duplicate */
1980 for (j = 0; j < offset; j++) {
1984 if (j == offset) { /* no duplicate */
1989 if (slots == 0 && i < end_index)
1997 if (!end_of_loop && ptr != NULL)
2000 return rc < 0 ? rc : nr;
2003 struct lfs_setstripe_args {
2004 unsigned long long lsa_comp_end;
2005 unsigned long long lsa_stripe_size;
2006 long long lsa_stripe_count;
2007 long long lsa_stripe_off;
2008 __u32 lsa_comp_flags;
2009 __u32 lsa_comp_neg_flags;
2010 unsigned long long lsa_pattern;
2011 unsigned int lsa_mirror_count;
2013 bool lsa_first_comp;
2015 char *lsa_pool_name;
2018 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2020 unsigned int mirror_count = lsa->lsa_mirror_count;
2021 bool first_comp = lsa->lsa_first_comp;
2023 memset(lsa, 0, sizeof(*lsa));
2025 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2026 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2027 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2028 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2029 lsa->lsa_pool_name = NULL;
2031 lsa->lsa_mirror_count = mirror_count;
2032 lsa->lsa_first_comp = first_comp;
2036 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2037 * @lsa: Stripe options to be initialized and inherited.
2039 * This function initializes stripe options in @lsa and inherit
2040 * stripe_size, stripe_count and OST pool_name options.
2044 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2046 unsigned long long stripe_size;
2047 long long stripe_count;
2048 char *pool_name = NULL;
2050 stripe_size = lsa->lsa_stripe_size;
2051 stripe_count = lsa->lsa_stripe_count;
2052 pool_name = lsa->lsa_pool_name;
2054 setstripe_args_init(lsa);
2056 lsa->lsa_stripe_size = stripe_size;
2057 lsa->lsa_stripe_count = stripe_count;
2058 lsa->lsa_pool_name = pool_name;
2061 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2063 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2064 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2065 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2066 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2067 lsa->lsa_pool_name != NULL ||
2068 lsa->lsa_comp_end != 0);
2072 * comp_args_to_layout() - Create or extend a composite layout.
2073 * @composite: Pointer to the composite layout.
2074 * @lsa: Stripe options for the new component.
2076 * This function creates or extends a composite layout by adding a new
2077 * component with stripe options from @lsa.
2079 * Return: 0 on success or an error code on failure.
2081 static int comp_args_to_layout(struct llapi_layout **composite,
2082 struct lfs_setstripe_args *lsa,
2085 struct llapi_layout *layout = *composite;
2086 uint64_t prev_end = 0;
2089 if (layout == NULL) {
2090 layout = llapi_layout_alloc();
2091 if (layout == NULL) {
2092 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2096 *composite = layout;
2100 /* Get current component extent, current component
2101 * must be the tail component. */
2102 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2104 fprintf(stderr, "Get comp extent failed. %s\n",
2109 if (lsa->lsa_first_comp)
2112 if (lsa->lsa_first_comp)
2113 rc = llapi_layout_add_first_comp(layout);
2115 rc = llapi_layout_comp_add(layout);
2117 fprintf(stderr, "Add component failed. %s\n",
2122 /* reset lsa_first_comp */
2123 lsa->lsa_first_comp = false;
2126 rc = llapi_layout_comp_extent_set(layout, prev_end,
2129 fprintf(stderr, "Set extent [%lu, %llu) failed. %s\n",
2130 prev_end, lsa->lsa_comp_end, strerror(errno));
2135 /* Data-on-MDT component setting */
2136 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2137 /* In case of Data-on-MDT patterns the only extra option
2138 * applicable is stripe size option. */
2139 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2140 fprintf(stderr, "Option 'stripe-count' can't be "
2141 "specified with Data-on-MDT component: %lld\n",
2142 lsa->lsa_stripe_count);
2145 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2146 fprintf(stderr, "Option 'stripe-size' can't be "
2147 "specified with Data-on-MDT component: %llu\n",
2148 lsa->lsa_stripe_size);
2151 if (lsa->lsa_nr_tgts != 0) {
2152 fprintf(stderr, "Option 'ost-list' can't be specified "
2153 "with Data-on-MDT component: '%i'\n",
2157 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2158 fprintf(stderr, "Option 'stripe-offset' can't be "
2159 "specified with Data-on-MDT component: %lld\n",
2160 lsa->lsa_stripe_off);
2163 if (lsa->lsa_pool_name != 0) {
2164 fprintf(stderr, "Option 'pool' can't be specified "
2165 "with Data-on-MDT component: '%s'\n",
2166 lsa->lsa_pool_name);
2170 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2172 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2173 lsa->lsa_pattern, strerror(errno));
2176 /* Data-on-MDT component has always single stripe up to end */
2177 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2180 rc = llapi_layout_stripe_size_set(layout, lsa->lsa_stripe_size);
2182 fprintf(stderr, "Set stripe size %llu failed: %s\n",
2183 lsa->lsa_stripe_size, strerror(errno));
2187 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2189 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2190 lsa->lsa_stripe_count, strerror(errno));
2194 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2196 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2197 lsa->lsa_comp_flags, strerror(errno));
2201 if (lsa->lsa_pool_name != NULL) {
2202 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2204 fprintf(stderr, "Set pool name: %s failed. %s\n",
2205 lsa->lsa_pool_name, strerror(errno));
2209 rc = llapi_layout_pool_name_set(layout, "");
2211 fprintf(stderr, "Clear pool name failed: %s\n",
2217 if (lsa->lsa_nr_tgts > 0) {
2218 if (lsa->lsa_stripe_count > 0 &&
2219 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2220 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2221 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2222 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2223 lsa->lsa_stripe_count, lsa->lsa_nr_tgts);
2226 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2227 rc = llapi_layout_ost_index_set(layout, i,
2232 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2233 lsa->lsa_stripe_off != -1) {
2234 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2237 fprintf(stderr, "Set ost index %d failed. %s\n",
2238 i, strerror(errno));
2245 static int build_component(struct llapi_layout **layout,
2246 struct lfs_setstripe_args *lsa, bool set_extent)
2250 rc = comp_args_to_layout(layout, lsa, set_extent);
2254 if (lsa->lsa_mirror_count > 0) {
2255 rc = llapi_layout_mirror_count_set(*layout,
2256 lsa->lsa_mirror_count);
2260 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2263 lsa->lsa_mirror_count = 0;
2269 static int build_layout_from_yaml_node(struct cYAML *node,
2270 struct llapi_layout **layout,
2271 struct lfs_setstripe_args *lsa,
2278 if (node->cy_type == CYAML_TYPE_OBJECT) {
2279 /* go deep to sub blocks */
2280 rc = build_layout_from_yaml_node(node->cy_child, layout,
2285 if (node->cy_string == NULL)
2288 string = node->cy_string;
2289 /* skip leading lmm_ if present, to simplify parsing */
2290 if (strncmp(string, "lmm_", 4) == 0)
2293 if (node->cy_type == CYAML_TYPE_STRING) {
2294 if (!strcmp(string, "lcme_extent.e_end")) {
2295 if (!strcmp(node->cy_valuestring, "EOF") ||
2296 !strcmp(node->cy_valuestring, "eof"))
2297 lsa->lsa_comp_end = LUSTRE_EOF;
2298 } else if (!strcmp(string, "pool")) {
2299 lsa->lsa_pool_name = node->cy_valuestring;
2300 } else if (!strcmp(string, "pattern")) {
2301 if (!strcmp(node->cy_valuestring, "mdt"))
2302 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2303 } else if (!strcmp(string, "lcme_flags")) {
2304 rc = comp_str2flags(node->cy_valuestring,
2305 &lsa->lsa_comp_flags,
2306 &lsa->lsa_comp_neg_flags);
2309 /* Only template flags have meaning in
2310 * the layout for a new file
2312 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2314 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2315 if (!strcmp(string, "lcm_mirror_count")) {
2316 lsa->lsa_mirror_count = node->cy_valueint;
2317 } else if (!strcmp(string, "lcme_extent.e_start")) {
2318 if (node->cy_valueint != 0 || *layout != NULL) {
2319 rc = build_component(layout, lsa, true);
2324 if (node->cy_valueint == 0)
2325 lsa->lsa_first_comp = true;
2327 /* initialize lsa */
2328 setstripe_args_init(lsa);
2329 lsa->lsa_tgts = osts;
2330 } else if (!strcmp(string, "lcme_extent.e_end")) {
2331 if (node->cy_valueint == -1)
2332 lsa->lsa_comp_end = LUSTRE_EOF;
2334 lsa->lsa_comp_end = node->cy_valueint;
2335 } else if (!strcmp(string, "stripe_count")) {
2336 lsa->lsa_stripe_count = node->cy_valueint;
2337 } else if (!strcmp(string, "stripe_size")) {
2338 lsa->lsa_stripe_size = node->cy_valueint;
2339 } else if (!strcmp(string, "stripe_offset")) {
2340 lsa->lsa_stripe_off = node->cy_valueint;
2341 } else if (!strcmp(string, "l_ost_idx")) {
2342 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2347 node = node->cy_next;
2353 static int lfs_comp_create_from_yaml(char *template,
2354 struct llapi_layout **layout,
2355 struct lfs_setstripe_args *lsa,
2358 struct cYAML *tree = NULL, *err_rc = NULL;
2361 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2363 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2364 progname, template);
2365 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2366 "can't parse", &err_rc);
2367 cYAML_print_tree2file(stderr, err_rc);
2368 cYAML_free_tree(err_rc);
2373 /* initialize lsa for plain file */
2374 setstripe_args_init(lsa);
2375 lsa->lsa_tgts = osts;
2377 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2379 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2380 progname, template);
2383 rc = build_component(layout, lsa, *layout != NULL);
2385 /* clean clean lsa */
2386 setstripe_args_init(lsa);
2390 cYAML_free_tree(tree);
2394 /* In 'lfs setstripe --component-add' mode, we need to fetch the extent
2395 * end of the last component in the existing file, and adjust the
2396 * first extent start of the components to be added accordingly. */
2397 static int adjust_first_extent(char *fname, struct llapi_layout *layout)
2399 struct llapi_layout *head;
2400 uint64_t start, end, stripe_size, prev_end = 0;
2403 if (layout == NULL) {
2405 "%s setstripe: layout must be specified\n",
2411 head = llapi_layout_get_by_path(fname, 0);
2414 "%s setstripe: cannot read layout from '%s': %s\n",
2415 progname, fname, strerror(errno));
2417 } else if (errno == ENODATA) {
2418 /* file without LOVEA, this component-add will be turned
2419 * into a component-create. */
2420 llapi_layout_free(head);
2422 } else if (!llapi_layout_is_composite(head)) {
2423 fprintf(stderr, "%s setstripe: '%s' not a composite file\n",
2425 llapi_layout_free(head);
2429 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2431 fprintf(stderr, "%s setstripe: cannot get prev extent: %s\n",
2432 progname, strerror(errno));
2433 llapi_layout_free(head);
2437 llapi_layout_free(head);
2439 /* Make sure we use the first component of the layout to be added. */
2440 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2443 "%s setstripe: cannot move component cursor: %s\n",
2444 progname, strerror(errno));
2448 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2450 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2451 progname, strerror(errno));
2455 if (start > prev_end || end <= prev_end) {
2457 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
2458 progname, start, end, prev_end);
2462 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
2464 fprintf(stderr, "%s setstripe: cannot get stripe size: %s\n",
2465 progname, strerror(errno));
2469 if (stripe_size != LLAPI_LAYOUT_DEFAULT &&
2470 (prev_end & (stripe_size - 1))) {
2472 "%s setstripe: stripe size %lu not aligned with %lu\n",
2473 progname, stripe_size, prev_end);
2477 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2480 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
2481 progname, prev_end, end, strerror(errno));
2488 static inline bool arg_is_eof(char *arg)
2490 return !strncmp(arg, "-1", strlen("-1")) ||
2491 !strncmp(arg, "EOF", strlen("EOF")) ||
2492 !strncmp(arg, "eof", strlen("eof"));
2496 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2498 * Return: Valid mirror_args pointer on success and
2499 * NULL if memory allocation fails.
2501 static struct mirror_args *lfs_mirror_alloc(void)
2503 struct mirror_args *mirror = NULL;
2506 mirror = calloc(1, sizeof(*mirror));
2517 * lfs_mirror_free() - Free memory allocated for a mirror argument
2519 * @mirror: Previously allocated mirror argument structure by
2520 * lfs_mirror_alloc().
2522 * Free memory allocated for @mirror.
2526 static void lfs_mirror_free(struct mirror_args *mirror)
2528 if (mirror->m_layout != NULL)
2529 llapi_layout_free(mirror->m_layout);
2534 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2535 * @mirror_list: Previously allocated mirror list.
2537 * Free memory allocated for @mirror_list.
2541 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2543 struct mirror_args *next_mirror = NULL;
2545 while (mirror_list != NULL) {
2546 next_mirror = mirror_list->m_next;
2547 lfs_mirror_free(mirror_list);
2548 mirror_list = next_mirror;
2560 LFS_COMP_NO_VERIFY_OPT,
2562 LFS_MIRROR_FLAGS_OPT,
2564 LFS_MIRROR_STATE_OPT,
2566 LFS_MIRROR_INDEX_OPT,
2570 static int lfs_setstripe_internal(int argc, char **argv,
2571 enum setstripe_origin opc)
2573 struct lfs_setstripe_args lsa = { 0 };
2574 struct llapi_stripe_param *param = NULL;
2575 struct find_param migrate_mdt_param = {
2585 unsigned long long size_units = 1;
2586 bool migrate_mode = false;
2587 bool migrate_mdt_mode = false;
2588 bool migration_block = false;
2589 __u64 migration_flags = 0;
2590 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
2591 int comp_del = 0, comp_set = 0;
2594 struct llapi_layout *layout = NULL;
2595 struct llapi_layout **lpp = &layout;
2596 bool mirror_mode = false;
2597 bool has_m_file = false;
2598 __u32 mirror_count = 0;
2599 enum mirror_flags mirror_flags = 0;
2600 struct mirror_args *mirror_list = NULL;
2601 struct mirror_args *new_mirror = NULL;
2602 struct mirror_args *last_mirror = NULL;
2603 __u16 mirror_id = 0;
2605 bool from_yaml = false;
2606 bool from_copy = false;
2607 char *template = NULL;
2609 struct option long_opts[] = {
2610 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
2611 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
2612 /* --block is only valid in migrate mode */
2613 { .val = 'b', .name = "block", .has_arg = no_argument },
2614 { .val = LFS_COMP_ADD_OPT,
2615 .name = "comp-add", .has_arg = no_argument },
2616 { .val = LFS_COMP_ADD_OPT,
2617 .name = "component-add", .has_arg = no_argument },
2618 { .val = LFS_COMP_DEL_OPT,
2619 .name = "comp-del", .has_arg = no_argument },
2620 { .val = LFS_COMP_DEL_OPT,
2621 .name = "component-del", .has_arg = no_argument },
2622 { .val = LFS_COMP_FLAGS_OPT,
2623 .name = "comp-flags", .has_arg = required_argument },
2624 { .val = LFS_COMP_FLAGS_OPT,
2625 .name = "component-flags",
2626 .has_arg = required_argument },
2627 { .val = LFS_COMP_SET_OPT,
2628 .name = "comp-set", .has_arg = no_argument },
2629 { .val = LFS_COMP_SET_OPT,
2630 .name = "component-set",
2631 .has_arg = no_argument},
2632 { .val = LFS_COMP_NO_VERIFY_OPT,
2633 .name = "no-verify", .has_arg = no_argument},
2634 { .val = LFS_MIRROR_FLAGS_OPT,
2635 .name = "flags", .has_arg = required_argument},
2636 { .val = LFS_MIRROR_ID_OPT,
2637 .name = "mirror-id", .has_arg = required_argument},
2638 { .val = LFS_LAYOUT_COPY,
2639 .name = "copy", .has_arg = required_argument},
2640 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
2641 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
2642 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
2643 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
2644 { .val = 'd', .name = "delete", .has_arg = no_argument},
2645 { .val = 'd', .name = "destroy", .has_arg = no_argument},
2646 /* --non-direct is only valid in migrate mode */
2647 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
2648 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
2649 { .val = 'E', .name = "component-end",
2650 .has_arg = required_argument},
2651 { .val = 'f', .name = "file", .has_arg = required_argument },
2652 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
2653 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
2654 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
2655 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
2656 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
2657 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
2658 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
2659 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
2660 { .val = 'I', .name = "component-id", .has_arg = required_argument},
2661 { .val = 'L', .name = "layout", .has_arg = required_argument },
2662 { .val = 'm', .name = "mdt", .has_arg = required_argument},
2663 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
2664 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
2665 /* --non-block is only valid in migrate mode */
2666 { .val = 'n', .name = "non-block", .has_arg = no_argument },
2667 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
2668 { .val = 'o', .name = "ost", .has_arg = required_argument },
2669 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2670 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
2671 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
2673 { .val = 'p', .name = "pool", .has_arg = required_argument },
2674 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
2675 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
2676 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
2677 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
2678 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
2679 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
2680 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
2681 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
2682 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
2683 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
2684 /* --verbose is only valid in migrate mode */
2685 { .val = 'v', .name = "verbose", .has_arg = no_argument},
2686 { .val = 'y', .name = "yaml", .has_arg = required_argument },
2689 setstripe_args_init(&lsa);
2691 migrate_mode = (opc == SO_MIGRATE);
2692 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
2694 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
2696 while ((c = getopt_long(argc, argv,
2697 "bc:dDE:f:H:i:I:m:N::no:p:L:s:S:vy:", long_opts,
2703 case LFS_COMP_ADD_OPT:
2706 case LFS_COMP_DEL_OPT:
2709 case LFS_COMP_FLAGS_OPT:
2710 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
2711 &lsa.lsa_comp_neg_flags);
2714 if (mirror_mode && lsa.lsa_comp_neg_flags) {
2715 fprintf(stderr, "%s: inverted flags are not supported\n",
2719 if (lsa.lsa_comp_neg_flags & LCME_FL_STALE) {
2721 "%s: cannot clear 'stale' flags from component. Please use lfs-mirror-resync(1) instead\n",
2728 case LFS_COMP_SET_OPT:
2731 case LFS_COMP_NO_VERIFY_OPT:
2732 mirror_flags |= MF_NO_VERIFY;
2734 case LFS_MIRROR_ID_OPT:
2735 mirror_id = strtoul(optarg, &end, 0);
2736 if (*end != '\0' || mirror_id == 0) {
2738 "%s %s: invalid mirror ID '%s'\n",
2739 progname, argv[0], optarg);
2743 case LFS_MIRROR_FLAGS_OPT: {
2746 if (!mirror_mode || !last_mirror) {
2747 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
2752 result = comp_str2flags(optarg, &last_mirror->m_flags,
2758 fprintf(stderr, "%s: inverted flags are not supported\n",
2763 if (last_mirror->m_flags & ~LCME_USER_FLAGS) {
2765 "%s: unsupported mirror flags: %s\n",
2772 case LFS_LAYOUT_COPY:
2777 if (!migrate_mode) {
2779 "%s %s: -b|--block valid only for migrate command\n",
2783 migration_block = true;
2786 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
2789 "%s %s: invalid stripe count '%s'\n",
2790 progname, argv[0], optarg);
2794 if (lsa.lsa_stripe_count == -1)
2795 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
2798 /* delete the default striping pattern */
2800 if (opc == SO_MIRROR_SPLIT) {
2803 "%s %s: -d cannot used with -f\n",
2807 mirror_flags |= MF_DESTROY;
2811 if (!migrate_mode) {
2813 "%s %s: -D|--non-direct is valid "
2814 "only for migrate command\n",
2818 migration_flags |= MIGRATION_NONDIRECT;
2821 if (lsa.lsa_comp_end != 0) {
2822 result = comp_args_to_layout(lpp, &lsa, true);
2825 "%s %s: invalid layout\n",
2830 setstripe_args_init_inherit(&lsa);
2833 if (arg_is_eof(optarg)) {
2834 lsa.lsa_comp_end = LUSTRE_EOF;
2836 result = llapi_parse_size(optarg,
2841 "%s %s: invalid component end '%s'\n",
2842 progname, argv[0], optarg);
2848 if (!migrate_mode) {
2849 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
2853 lsa.lsa_pattern = check_hashtype(optarg);
2854 if (lsa.lsa_pattern == 0) {
2856 "%s %s: bad stripe hash type '%s'\n",
2857 progname, argv[0], optarg);
2862 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
2865 "%s %s: invalid stripe offset '%s'\n",
2866 progname, argv[0], optarg);
2869 if (lsa.lsa_stripe_off == -1)
2870 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2873 comp_id = strtoul(optarg, &end, 0);
2874 if (*end != '\0' || comp_id == 0 ||
2875 comp_id > LCME_ID_MAX) {
2877 "%s %s: invalid component ID '%s'\n",
2878 progname, argv[0], optarg);
2883 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
2885 "error: %s: invalid option: %s\n",
2886 progname, argv[optopt + 1]);
2889 if (opc == SO_MIRROR_EXTEND) {
2890 if (last_mirror == NULL) {
2892 "error: %s: '-N' must exist in front of '%s'\n",
2893 progname, argv[optopt + 1]);
2896 last_mirror->m_file = optarg;
2897 last_mirror->m_count = 1;
2900 if (mirror_list == NULL)
2901 mirror_list = lfs_mirror_alloc();
2902 mirror_list->m_file = optarg;
2907 if (strcmp(argv[optind - 1], "mdt") == 0) {
2908 /* Can be only the first component */
2909 if (layout != NULL) {
2911 fprintf(stderr, "error: 'mdt' layout "
2912 "can be only the first one\n");
2915 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
2917 fprintf(stderr, "error: 'mdt' layout "
2918 "size is too big\n");
2921 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
2922 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
2924 fprintf(stderr, "error: layout '%s' is "
2925 "unknown, supported layouts are: "
2926 "'mdt', 'raid0'\n", argv[optind]);
2931 if (!migrate_mode) {
2933 "%s %s: -m|--mdt-index is valid only for migrate command\n",
2937 migrate_mdt_mode = true;
2938 lsa.lsa_nr_tgts = parse_targets(tgts,
2939 sizeof(tgts) / sizeof(__u32),
2940 lsa.lsa_nr_tgts, optarg);
2941 if (lsa.lsa_nr_tgts < 0) {
2943 "%s %s: invalid MDT target(s) '%s'\n",
2944 progname, argv[0], optarg);
2948 lsa.lsa_tgts = tgts;
2949 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
2950 lsa.lsa_stripe_off = tgts[0];
2953 if (!migrate_mode) {
2955 "%s %s: -n|--non-block valid only for migrate command\n",
2959 migration_flags |= MIGRATION_NONBLOCK;
2962 if (opc == SO_SETSTRIPE) {
2963 opc = SO_MIRROR_CREATE;
2967 if (optarg != NULL) {
2968 mirror_count = strtoul(optarg, &end, 0);
2969 if (*end != '\0' || mirror_count == 0) {
2971 "error: %s: bad mirror count: %s\n",
2978 new_mirror = lfs_mirror_alloc();
2979 new_mirror->m_count = mirror_count;
2981 if (mirror_list == NULL)
2982 mirror_list = new_mirror;
2984 if (last_mirror != NULL) {
2985 /* wrap up last mirror */
2986 if (lsa.lsa_comp_end == 0)
2987 lsa.lsa_comp_end = LUSTRE_EOF;
2989 result = comp_args_to_layout(lpp, &lsa, true);
2991 lfs_mirror_free(new_mirror);
2995 setstripe_args_init_inherit(&lsa);
2997 last_mirror->m_next = new_mirror;
3000 last_mirror = new_mirror;
3001 lpp = &last_mirror->m_layout;
3004 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3005 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3006 fprintf(stderr, "warning: '--ost-list' is "
3007 "deprecated, use '--ost' instead\n");
3009 lsa.lsa_nr_tgts = parse_targets(tgts,
3010 sizeof(tgts) / sizeof(__u32),
3011 lsa.lsa_nr_tgts, optarg);
3012 if (lsa.lsa_nr_tgts < 0) {
3014 "%s %s: invalid OST target(s) '%s'\n",
3015 progname, argv[0], optarg);
3019 lsa.lsa_tgts = tgts;
3020 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3021 lsa.lsa_stripe_off = tgts[0];
3026 lsa.lsa_pool_name = optarg;
3028 if (strlen(lsa.lsa_pool_name) == 0 ||
3029 strncmp(lsa.lsa_pool_name, "none",
3030 LOV_MAXPOOLNAME) == 0)
3031 lsa.lsa_pool_name = NULL;
3034 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3038 "%s %s: invalid stripe size '%s'\n",
3039 progname, argv[0], optarg);
3044 if (!migrate_mode) {
3046 "%s %s: -v|--verbose valid only for migrate command\n",
3050 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3051 migration_flags = MIGRATION_VERBOSE;
3058 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3059 progname, argv[0], argv[optind - 1]);
3064 fname = argv[optind];
3066 if (optind == argc) {
3067 fprintf(stderr, "%s %s: FILE must be specified\n",
3072 if (mirror_mode && mirror_count == 0) {
3074 "error: %s: --mirror-count|-N option is required\n",
3081 if (lsa.lsa_comp_end == 0)
3082 lsa.lsa_comp_end = LUSTRE_EOF;
3085 if (lsa.lsa_comp_end != 0) {
3086 result = comp_args_to_layout(lpp, &lsa, true);
3091 if (mirror_flags & MF_NO_VERIFY) {
3092 if (opc != SO_MIRROR_EXTEND) {
3094 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3098 } else if (!has_m_file) {
3100 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3107 /* Only LCME_FL_INIT flags is used in PFL, and it shouldn't be
3108 * altered by user space tool, so we don't need to support the
3109 * --component-set for this moment. */
3110 if (comp_set && !comp_id) {
3111 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3116 if ((delete + comp_set + comp_del + comp_add) > 1) {
3118 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3123 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3124 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3126 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3131 if ((comp_set || comp_del) &&
3132 (setstripe_args_specified(&lsa) || layout != NULL)) {
3134 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3139 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3141 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3146 if (comp_add || comp_del) {
3149 result = lstat(fname, &st);
3150 if (result == 0 && S_ISDIR(st.st_mode)) {
3152 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3158 fprintf(stderr, "error: %s: can't use --component-add "
3159 "or --component-del for mirror operation\n",
3166 if (layout == NULL) {
3168 "%s %s: option -E must be specified with --component-add\n",
3173 result = adjust_first_extent(fname, layout);
3174 if (result == -ENODATA)
3176 else if (result != 0)
3180 if (from_yaml && from_copy) {
3182 "%s: can't specify --yaml and --copy together\n",
3187 if ((from_yaml || from_copy) &&
3188 (setstripe_args_specified(&lsa) || layout != NULL)) {
3189 fprintf(stderr, "error: %s: can't specify --yaml with "
3190 "-c, -S, -i, -o, -p or -E options.\n",
3195 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3197 "%s %s: options --non-block and --block are mutually exclusive\n",
3202 if (!comp_del && !comp_set && (opc != SO_MIRROR_SPLIT) &&
3205 "%s %s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3210 if (migrate_mdt_mode) {
3211 struct lmv_user_md *lmu;
3213 /* initialize migrate mdt parameters */
3214 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3215 LMV_USER_MAGIC_SPECIFIC));
3218 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3219 progname, argv[0], strerror(ENOMEM));
3223 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3224 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3225 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3227 "%s %s: migrate should specify MDT index\n",
3232 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3233 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3234 lmu->lum_hash_type = lsa.lsa_pattern;
3236 lmu->lum_hash_type = LMV_HASH_TYPE_FNV_1A_64;
3237 if (lsa.lsa_pool_name)
3238 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3239 sizeof(lmu->lum_pool_name));
3240 if (lsa.lsa_nr_tgts > 1) {
3243 if (lsa.lsa_stripe_count > 0 &&
3244 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3245 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3247 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3248 progname, lsa.lsa_stripe_count,
3254 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3255 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3256 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3257 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3259 lmu->lum_magic = LMV_USER_MAGIC;
3262 migrate_mdt_param.fp_lmv_md = lmu;
3263 migrate_mdt_param.fp_migrate = 1;
3264 } else if (layout == NULL) {
3265 /* initialize stripe parameters */
3266 param = calloc(1, offsetof(typeof(*param),
3267 lsp_osts[lsa.lsa_nr_tgts]));
3268 if (param == NULL) {
3270 "%s %s: cannot allocate memory for parameters: %s\n",
3271 progname, argv[0], strerror(ENOMEM));
3276 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3277 param->lsp_stripe_size = lsa.lsa_stripe_size;
3278 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3279 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3280 param->lsp_stripe_count = -1;
3282 param->lsp_stripe_count = lsa.lsa_stripe_count;
3284 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3285 param->lsp_stripe_offset = -1;
3287 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3288 param->lsp_pool = lsa.lsa_pool_name;
3289 param->lsp_is_specific = false;
3290 if (lsa.lsa_nr_tgts > 0) {
3291 if (lsa.lsa_stripe_count > 0 &&
3292 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3293 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3294 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3295 fprintf(stderr, "error: %s: stripe count %lld "
3296 "doesn't match the number of OSTs: %d\n"
3297 , argv[0], lsa.lsa_stripe_count,
3303 param->lsp_is_specific = true;
3304 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3305 memcpy(param->lsp_osts, tgts,
3306 sizeof(*tgts) * lsa.lsa_nr_tgts);
3311 /* generate a layout from a YAML template */
3312 result = lfs_comp_create_from_yaml(template, &layout,
3315 fprintf(stderr, "error: %s: can't create composite "
3316 "layout from template file %s\n",
3320 } else if (from_copy) {
3321 layout = llapi_layout_get_by_path(template, 0);
3322 if (layout == NULL) {
3324 "%s: can't create composite layout from file %s.\n",
3325 progname, template);
3330 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3331 if (migrate_mdt_mode) {
3332 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3333 } else if (migrate_mode) {
3334 result = lfs_migrate(fname, migration_flags, param,
3336 } else if (comp_set != 0) {
3337 result = lfs_component_set(fname, comp_id,
3339 lsa.lsa_comp_neg_flags);
3340 } else if (comp_del != 0) {
3341 result = lfs_component_del(fname, comp_id,
3343 lsa.lsa_comp_neg_flags);
3344 } else if (comp_add != 0) {
3345 result = lfs_component_add(fname, layout);
3346 } else if (opc == SO_MIRROR_CREATE) {
3347 result = mirror_create(fname, mirror_list);
3348 } else if (opc == SO_MIRROR_EXTEND) {
3349 result = mirror_extend(fname, mirror_list,
3351 } else if (opc == SO_MIRROR_SPLIT) {
3352 if (mirror_id == 0 && comp_id == 0) {
3354 "%s %s: no mirror id or component id is specified\n",
3359 comp_id = mirror_id;
3361 mirror_flags |= MF_COMP_ID;
3362 result = mirror_split(fname, comp_id, mirror_flags,
3363 has_m_file ? mirror_list->m_file :
3365 } else if (layout != NULL) {
3366 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3373 result = llapi_file_open_param(fname,
3382 /* Save the first error encountered. */
3390 free(migrate_mdt_param.fp_lmv_md);
3391 llapi_layout_free(layout);
3392 lfs_mirror_list_free(mirror_list);
3397 llapi_layout_free(layout);
3398 lfs_mirror_list_free(mirror_list);
3402 static int lfs_poollist(int argc, char **argv)
3407 return llapi_poollist(argv[1]);
3410 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3415 char *endptr = "AD";
3420 else if (str[0] == '-')
3426 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
3427 long long val = strtoll(timebuf, &endptr, 0);
3432 unit *= 52; /* 52 weeks + 1 day below */
3433 case 'w': /* fallthrough */
3435 case '\0': /* days are default unit if none used */
3436 case 'd': /* fallthrough */
3437 unit = (unit + (*endptr == 'y')) * 24;
3438 case 'h': /* fallthrough */
3440 case 'm': /* fallthrough */
3442 case 's': /* fallthrough */
3444 /* don't need to multiply by 1 for seconds */
3447 "%s find: bad time string '%s': %s\n",
3448 progname, timebuf, strerror(EINVAL));
3452 if (param->fp_time_margin == 0 ||
3453 (*endptr && unit < param->fp_time_margin))
3454 param->fp_time_margin = unit;
3461 fprintf(stderr, "%s find: bad time '%s': too large\n",
3471 static int name2uid(unsigned int *id, const char *name)
3473 struct passwd *passwd;
3475 passwd = getpwnam(name);
3478 *id = passwd->pw_uid;
3483 static int name2gid(unsigned int *id, const char *name)
3485 struct group *group;
3487 group = getgrnam(name);
3490 *id = group->gr_gid;
3495 static inline int name2projid(unsigned int *id, const char *name)
3500 static int uid2name(char **name, unsigned int id)
3502 struct passwd *passwd;
3504 passwd = getpwuid(id);
3507 *name = passwd->pw_name;
3512 static inline int gid2name(char **name, unsigned int id)
3514 struct group *group;
3516 group = getgrgid(id);
3519 *name = group->gr_name;
3524 static int name2layout(__u32 *layout, char *name)
3526 char *ptr, *layout_name;
3529 for (ptr = name; ; ptr = NULL) {
3530 layout_name = strtok(ptr, ",");
3531 if (layout_name == NULL)
3533 if (strcmp(layout_name, "released") == 0)
3534 *layout |= LOV_PATTERN_F_RELEASED;
3535 else if (strcmp(layout_name, "raid0") == 0)
3536 *layout |= LOV_PATTERN_RAID0;
3537 else if (strcmp(layout_name, "mdt") == 0)
3538 *layout |= LOV_PATTERN_MDT;
3545 static int lfs_find(int argc, char **argv)
3550 struct find_param param = {
3553 .fp_time_margin = 24 * 60 * 60,
3555 struct option long_opts[] = {
3556 { .val = 'A', .name = "atime", .has_arg = required_argument },
3557 { .val = 'b', .name = "blocks", .has_arg = required_argument },
3558 { .val = LFS_COMP_COUNT_OPT,
3559 .name = "comp-count", .has_arg = required_argument },
3560 { .val = LFS_COMP_COUNT_OPT,
3561 .name = "component-count",
3562 .has_arg = required_argument },
3563 { .val = LFS_COMP_FLAGS_OPT,
3564 .name = "comp-flags", .has_arg = required_argument },
3565 { .val = LFS_COMP_FLAGS_OPT,
3566 .name = "component-flags",
3567 .has_arg = required_argument },
3568 { .val = LFS_COMP_START_OPT,
3569 .name = "comp-start", .has_arg = required_argument },
3570 { .val = LFS_COMP_START_OPT,
3571 .name = "component-start",
3572 .has_arg = required_argument },
3573 { .val = LFS_MIRROR_STATE_OPT,
3574 .name = "mirror-state", .has_arg = required_argument },
3575 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
3576 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
3577 { .val = 'C', .name = "ctime", .has_arg = required_argument },
3578 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
3579 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
3580 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
3581 { .val = 'E', .name = "component-end",
3582 .has_arg = required_argument },
3583 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3584 { .val = 'g', .name = "gid", .has_arg = required_argument },
3585 { .val = 'G', .name = "group", .has_arg = required_argument },
3586 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
3587 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
3588 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
3589 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
3590 { .val = 'L', .name = "layout", .has_arg = required_argument },
3591 { .val = 'm', .name = "mdt", .has_arg = required_argument },
3592 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
3593 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
3594 { .val = 'M', .name = "mtime", .has_arg = required_argument },
3595 { .val = 'n', .name = "name", .has_arg = required_argument },
3596 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
3597 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
3598 { .val = 'O', .name = "obd", .has_arg = required_argument },
3599 { .val = 'O', .name = "ost", .has_arg = required_argument },
3600 /* no short option for pool yet, can be 'p' after 2.18 */
3601 { .val = LFS_POOL_OPT,
3602 .name = "pool", .has_arg = required_argument },
3603 { .val = '0', .name = "print0", .has_arg = no_argument },
3604 { .val = 'P', .name = "print", .has_arg = no_argument },
3605 { .val = LFS_PROJID_OPT,
3606 .name = "projid", .has_arg = required_argument },
3607 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3608 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3609 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3610 { .val = 's', .name = "size", .has_arg = required_argument },
3611 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3612 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3613 { .val = 't', .name = "type", .has_arg = required_argument },
3614 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
3615 { .val = 'u', .name = "uid", .has_arg = required_argument },
3616 { .val = 'U', .name = "user", .has_arg = required_argument },
3617 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
3618 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
3630 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
3631 while ((c = getopt_long_only(argc, argv,
3632 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:v",
3633 long_opts, NULL)) >= 0) {
3638 /* '!' is part of option */
3639 /* when getopt_long_only() finds a string which is not
3640 * an option nor a known option argument it returns 1
3641 * in that case if we already have found pathstart and pathend
3642 * (i.e. we have the list of pathnames),
3643 * the only supported value is "!"
3645 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
3646 if (!isoption && pathend != -1) {
3647 fprintf(stderr, "err: %s: filename|dirname must either "
3648 "precede options or follow options\n",
3653 if (!isoption && pathstart == -1)
3654 pathstart = optind - 1;
3655 if (isoption && pathstart != -1 && pathend == -1)
3656 pathend = optind - 2;
3662 /* unknown; opt is "!" or path component,
3663 * checking done above.
3665 if (strcmp(optarg, "!") == 0)
3669 xtime = ¶m.fp_atime;
3670 xsign = ¶m.fp_asign;
3671 param.fp_exclude_atime = !!neg_opt;
3672 /* no break, this falls through to 'C' for ctime */
3675 xtime = ¶m.fp_ctime;
3676 xsign = ¶m.fp_csign;
3677 param.fp_exclude_ctime = !!neg_opt;
3679 /* no break, this falls through to 'M' for mtime */
3682 xtime = ¶m.fp_mtime;
3683 xsign = ¶m.fp_msign;
3684 param.fp_exclude_mtime = !!neg_opt;
3686 rc = set_time(¶m, &t, xtime, optarg);
3687 if (rc == LONG_MAX) {
3695 if (optarg[0] == '+') {
3696 param.fp_blocks_sign = -1;
3698 } else if (optarg[0] == '-') {
3699 param.fp_blocks_sign = 1;
3703 param.fp_blocks_units = 1024;
3704 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
3705 ¶m.fp_blocks_units, 0);
3707 fprintf(stderr, "error: bad blocks '%s'\n",
3711 param.fp_check_blocks = 1;
3712 param.fp_exclude_blocks = !!neg_opt;
3714 case LFS_COMP_COUNT_OPT:
3715 if (optarg[0] == '+') {
3716 param.fp_comp_count_sign = -1;
3718 } else if (optarg[0] == '-') {
3719 param.fp_comp_count_sign = 1;
3723 param.fp_comp_count = strtoul(optarg, &endptr, 0);
3724 if (*endptr != '\0') {
3725 fprintf(stderr, "error: bad component count "
3729 param.fp_check_comp_count = 1;
3730 param.fp_exclude_comp_count = !!neg_opt;
3732 case LFS_COMP_FLAGS_OPT:
3733 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
3734 ¶m.fp_comp_neg_flags);
3736 fprintf(stderr, "error: bad component flags "
3740 param.fp_check_comp_flags = 1;
3742 __u32 flags = param.fp_comp_neg_flags;
3743 param.fp_comp_neg_flags = param.fp_comp_flags;
3744 param.fp_comp_flags = flags;
3747 case LFS_COMP_START_OPT:
3748 if (optarg[0] == '+') {
3749 param.fp_comp_start_sign = -1;
3751 } else if (optarg[0] == '-') {
3752 param.fp_comp_start_sign = 1;
3756 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
3757 ¶m.fp_comp_start_units, 0);
3759 fprintf(stderr, "error: bad component start "
3763 param.fp_check_comp_start = 1;
3764 param.fp_exclude_comp_start = !!neg_opt;
3766 case LFS_MIRROR_STATE_OPT:
3767 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
3768 ¶m.fp_mirror_neg_state);
3771 "error: bad mirrored file state '%s'\n",
3775 param.fp_check_mirror_state = 1;
3777 __u16 state = param.fp_mirror_neg_state;
3778 param.fp_mirror_neg_state =
3779 param.fp_mirror_state;
3780 param.fp_mirror_state = state;
3784 if (optarg[0] == '+') {
3785 param.fp_stripe_count_sign = -1;
3787 } else if (optarg[0] == '-') {
3788 param.fp_stripe_count_sign = 1;
3792 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
3793 if (*endptr != '\0') {
3794 fprintf(stderr,"error: bad stripe_count '%s'\n",
3799 param.fp_check_stripe_count = 1;
3800 param.fp_exclude_stripe_count = !!neg_opt;
3803 param.fp_max_depth = strtol(optarg, 0, 0);
3806 if (optarg[0] == '+') {
3807 param.fp_comp_end_sign = -1;
3809 } else if (optarg[0] == '-') {
3810 param.fp_comp_end_sign = 1;
3814 if (arg_is_eof(optarg)) {
3815 param.fp_comp_end = LUSTRE_EOF;
3816 param.fp_comp_end_units = 1;
3819 rc = llapi_parse_size(optarg,
3821 ¶m.fp_comp_end_units, 0);
3824 fprintf(stderr, "error: bad component end "
3828 param.fp_check_comp_end = 1;
3829 param.fp_exclude_comp_end = !!neg_opt;
3833 rc = name2gid(¶m.fp_gid, optarg);
3835 param.fp_gid = strtoul(optarg, &endptr, 10);
3836 if (*endptr != '\0') {
3837 fprintf(stderr, "Group/GID: %s cannot "
3838 "be found.\n", optarg);
3843 param.fp_exclude_gid = !!neg_opt;
3844 param.fp_check_gid = 1;
3847 param.fp_hash_type = check_hashtype(optarg);
3848 if (param.fp_hash_type == 0) {
3849 fprintf(stderr, "error: bad hash_type '%s'\n",
3854 param.fp_check_hash_type = 1;
3855 param.fp_exclude_hash_type = !!neg_opt;
3858 ret = name2layout(¶m.fp_layout, optarg);
3861 param.fp_exclude_layout = !!neg_opt;
3862 param.fp_check_layout = 1;
3866 rc = name2uid(¶m.fp_uid, optarg);
3868 param.fp_uid = strtoul(optarg, &endptr, 10);
3869 if (*endptr != '\0') {
3870 fprintf(stderr, "User/UID: %s cannot "
3871 "be found.\n", optarg);
3876 param.fp_exclude_uid = !!neg_opt;
3877 param.fp_check_uid = 1;
3880 param.fp_pattern = (char *)optarg;
3881 param.fp_exclude_pattern = !!neg_opt;
3884 if (optarg[0] == '+') {
3885 param.fp_mirror_count_sign = -1;
3887 } else if (optarg[0] == '-') {
3888 param.fp_mirror_count_sign = 1;
3892 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
3893 if (*endptr != '\0') {
3895 "error: bad mirror count '%s'\n",
3899 param.fp_check_mirror_count = 1;
3900 param.fp_exclude_mirror_count = !!neg_opt;
3905 char *buf, *token, *next, *p;
3909 buf = strdup(optarg);
3915 param.fp_exclude_obd = !!neg_opt;
3918 while (token && *token) {
3919 token = strchr(token, ',');
3926 param.fp_exclude_mdt = !!neg_opt;
3927 param.fp_num_alloc_mdts += len;
3928 tmp = realloc(param.fp_mdt_uuid,
3929 param.fp_num_alloc_mdts *
3930 sizeof(*param.fp_mdt_uuid));
3936 param.fp_mdt_uuid = tmp;
3938 param.fp_exclude_obd = !!neg_opt;
3939 param.fp_num_alloc_obds += len;
3940 tmp = realloc(param.fp_obd_uuid,
3941 param.fp_num_alloc_obds *
3942 sizeof(*param.fp_obd_uuid));
3948 param.fp_obd_uuid = tmp;
3950 for (token = buf; token && *token; token = next) {
3951 struct obd_uuid *puuid;
3954 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
3957 ¶m.fp_obd_uuid[param.fp_num_obds++];
3959 p = strchr(token, ',');
3966 if (strlen(token) > sizeof(puuid->uuid) - 1) {
3971 strncpy(puuid->uuid, token,
3972 sizeof(puuid->uuid));
3979 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
3983 if (strlen(optarg) > LOV_MAXPOOLNAME) {
3985 "Pool name %s is too long (max %d)\n",
3986 optarg, LOV_MAXPOOLNAME);
3991 * We do check for empty pool because empty pool
3992 * is used to find V1 LOV attributes
3994 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
3995 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
3996 param.fp_exclude_pool = !!neg_opt;
3997 param.fp_check_pool = 1;
3999 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4000 case 'p': /* want this for --pool, to match getstripe/find */
4002 "warning: -p deprecated, use --print0 or -0\n");
4005 param.fp_zero_end = 1;
4007 case 'P': /* we always print, this option is a no-op */
4009 case LFS_PROJID_OPT:
4010 rc = name2projid(¶m.fp_projid, optarg);
4012 param.fp_projid = strtoul(optarg, &endptr, 10);
4013 if (*endptr != '\0') {
4015 "Invalid project ID: %s",
4021 param.fp_exclude_projid = !!neg_opt;
4022 param.fp_check_projid = 1;
4025 if (optarg[0] == '+') {
4026 param.fp_size_sign = -1;
4028 } else if (optarg[0] == '-') {
4029 param.fp_size_sign = 1;
4033 ret = llapi_parse_size(optarg, ¶m.fp_size,
4034 ¶m.fp_size_units, 0);
4036 fprintf(stderr, "error: bad file size '%s'\n",
4040 param.fp_check_size = 1;
4041 param.fp_exclude_size = !!neg_opt;
4044 if (optarg[0] == '+') {
4045 param.fp_stripe_size_sign = -1;
4047 } else if (optarg[0] == '-') {
4048 param.fp_stripe_size_sign = 1;
4052 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4053 ¶m.fp_stripe_size_units, 0);
4055 fprintf(stderr, "error: bad stripe_size '%s'\n",
4059 param.fp_check_stripe_size = 1;
4060 param.fp_exclude_stripe_size = !!neg_opt;
4063 param.fp_exclude_type = !!neg_opt;
4064 switch (optarg[0]) {
4066 param.fp_type = S_IFBLK;
4069 param.fp_type = S_IFCHR;
4072 param.fp_type = S_IFDIR;
4075 param.fp_type = S_IFREG;
4078 param.fp_type = S_IFLNK;
4081 param.fp_type = S_IFIFO;
4084 param.fp_type = S_IFSOCK;
4087 fprintf(stderr, "error: %s: bad type '%s'\n",
4094 if (optarg[0] == '+') {
4095 param.fp_mdt_count_sign = -1;
4097 } else if (optarg[0] == '-') {
4098 param.fp_mdt_count_sign = 1;
4102 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4103 if (*endptr != '\0') {
4104 fprintf(stderr, "error: bad mdt_count '%s'\n",
4109 param.fp_check_mdt_count = 1;
4110 param.fp_exclude_mdt_count = !!neg_opt;
4118 if (pathstart == -1) {
4119 fprintf(stderr, "error: %s: no filename|pathname\n",
4123 } else if (pathend == -1) {
4129 rc = llapi_find(argv[pathstart], ¶m);
4130 if (rc != 0 && ret == 0)
4132 } while (++pathstart < pathend);
4135 fprintf(stderr, "error: %s failed for %s.\n",
4136 argv[0], argv[optind - 1]);
4138 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4139 free(param.fp_obd_uuid);
4141 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4142 free(param.fp_mdt_uuid);
4147 static int lfs_getstripe_internal(int argc, char **argv,
4148 struct find_param *param)
4150 struct option long_opts[] = {
4151 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4152 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4153 { .val = LFS_COMP_COUNT_OPT,
4154 .name = "comp-count", .has_arg = no_argument },
4155 { .val = LFS_COMP_COUNT_OPT,
4156 .name = "component-count", .has_arg = no_argument },
4157 { .val = LFS_COMP_FLAGS_OPT,
4158 .name = "comp-flags", .has_arg = optional_argument },
4159 { .val = LFS_COMP_FLAGS_OPT,
4160 .name = "component-flags", .has_arg = optional_argument },
4161 { .val = LFS_COMP_START_OPT,
4162 .name = "comp-start", .has_arg = optional_argument },
4163 { .val = LFS_COMP_START_OPT,
4164 .name = "component-start", .has_arg = optional_argument },
4165 { .val = LFS_MIRROR_INDEX_OPT,
4166 .name = "mirror-index", .has_arg = required_argument },
4167 { .val = LFS_MIRROR_ID_OPT,
4168 .name = "mirror-id", .has_arg = required_argument },
4169 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4170 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4171 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4172 { .val = 'd', .name = "directory", .has_arg = no_argument },
4173 { .val = 'D', .name = "default", .has_arg = no_argument },
4174 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4175 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4176 { .val = 'F', .name = "fid", .has_arg = no_argument },
4177 { .val = 'g', .name = "generation", .has_arg = no_argument },
4178 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4179 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4180 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4181 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4182 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4183 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4184 { .val = 'L', .name = "layout", .has_arg = no_argument },
4185 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4186 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4187 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4188 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4189 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4190 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4191 { .val = 'O', .name = "obd", .has_arg = required_argument },
4192 { .val = 'O', .name = "ost", .has_arg = required_argument },
4193 { .val = 'p', .name = "pool", .has_arg = no_argument },
4194 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4195 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4196 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4197 { .val = 'R', .name = "raw", .has_arg = no_argument },
4198 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4199 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4200 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4201 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4202 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4203 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4204 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4205 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4209 int pathstart = -1, pathend = -1;
4213 while ((c = getopt_long(argc, argv,
4214 "-cdDE::FghiI::LmMNoO:pqrRsSvy",
4215 long_opts, NULL)) != -1) {
4219 /* '!' is part of option */
4220 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4221 if (!isoption && pathend != -1) {
4223 "error: %s: filename|dirname must either precede options or follow options\n",
4227 if (!isoption && pathstart == -1)
4228 pathstart = optind - 1;
4229 if (isoption && pathstart != -1 && pathend == -1)
4230 pathend = optind - 2;
4234 /* unknown: opt is "!" */
4235 if (strcmp(optarg, "!") == 0)
4239 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4240 param->fp_verbose |= VERBOSE_COUNT;
4241 param->fp_max_depth = 0;
4244 case LFS_COMP_COUNT_OPT:
4245 param->fp_verbose |= VERBOSE_COMP_COUNT;
4246 param->fp_max_depth = 0;
4248 case LFS_COMP_FLAGS_OPT:
4249 if (optarg != NULL) {
4250 rc = comp_str2flags(optarg,
4251 ¶m->fp_comp_flags,
4252 ¶m->fp_comp_neg_flags);
4254 fprintf(stderr, "error: %s bad "
4255 "component flags '%s'.\n",
4259 param->fp_check_comp_flags = 1;
4261 param->fp_verbose |= VERBOSE_COMP_FLAGS;
4262 param->fp_max_depth = 0;
4265 case LFS_COMP_START_OPT:
4266 if (optarg != NULL) {
4268 if (tmp[0] == '+') {
4269 param->fp_comp_start_sign = -1;
4271 } else if (tmp[0] == '-') {
4272 param->fp_comp_start_sign = 1;
4275 rc = llapi_parse_size(tmp,
4276 ¶m->fp_comp_start,
4277 ¶m->fp_comp_start_units, 0);
4279 fprintf(stderr, "error: %s bad "
4280 "component start '%s'.\n",
4284 param->fp_check_comp_start = 1;
4287 param->fp_verbose |= VERBOSE_COMP_START;
4288 param->fp_max_depth = 0;
4291 case LFS_MIRROR_INDEX_OPT:
4292 if (optarg[0] == '+') {
4293 param->fp_mirror_index_sign = -1;
4295 } else if (optarg[0] == '-') {
4296 param->fp_mirror_index_sign = 1;
4300 param->fp_mirror_index = strtoul(optarg, &end, 0);
4301 if (*end != '\0' || (param->fp_mirror_index == 0 &&
4302 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
4304 "%s %s: invalid mirror index '%s'\n",
4305 progname, argv[0], optarg);
4308 if (param->fp_mirror_id != 0) {
4310 "%s %s: can't specify both mirror index and mirror ID\n",
4314 param->fp_check_mirror_index = 1;
4315 param->fp_exclude_mirror_index = !!neg_opt;
4317 case LFS_MIRROR_ID_OPT:
4318 if (optarg[0] == '+') {
4319 param->fp_mirror_id_sign = -1;
4321 } else if (optarg[0] == '-') {
4322 param->fp_mirror_id_sign = 1;
4326 param->fp_mirror_id = strtoul(optarg, &end, 0);
4327 if (*end != '\0' || (param->fp_mirror_id == 0 &&
4328 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
4330 "%s %s: invalid mirror ID '%s'\n",
4331 progname, argv[0], optarg);
4334 if (param->fp_mirror_index != 0) {
4336 "%s %s: can't specify both mirror index and mirror ID\n",
4340 param->fp_check_mirror_id = 1;
4341 param->fp_exclude_mirror_id = !!neg_opt;
4344 param->fp_max_depth = 0;
4347 param->fp_get_default_lmv = 1;
4350 if (optarg != NULL) {
4352 if (tmp[0] == '+') {
4353 param->fp_comp_end_sign = -1;
4355 } else if (tmp[0] == '-') {
4356 param->fp_comp_end_sign = 1;
4360 if (arg_is_eof(tmp)) {
4361 param->fp_comp_end = LUSTRE_EOF;
4362 param->fp_comp_end_units = 1;
4365 rc = llapi_parse_size(tmp,
4366 ¶m->fp_comp_end,
4367 ¶m->fp_comp_end_units, 0);
4370 fprintf(stderr, "error: %s bad "
4371 "component end '%s'.\n",
4375 param->fp_check_comp_end = 1;
4377 param->fp_verbose |= VERBOSE_COMP_END;
4378 param->fp_max_depth = 0;
4382 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4383 param->fp_verbose |= VERBOSE_DFID;
4384 param->fp_max_depth = 0;
4388 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4389 param->fp_verbose |= VERBOSE_GENERATION;
4390 param->fp_max_depth = 0;
4394 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4395 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
4396 param->fp_max_depth = 0;
4400 if (optarg != NULL) {
4401 param->fp_comp_id = strtoul(optarg, &end, 0);
4402 if (*end != '\0' || param->fp_comp_id == 0 ||
4403 param->fp_comp_id > LCME_ID_MAX) {
4404 fprintf(stderr, "error: %s bad "
4405 "component id '%s'\n",
4409 param->fp_check_comp_id = 1;
4412 param->fp_max_depth = 0;
4413 param->fp_verbose |= VERBOSE_COMP_ID;
4417 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4418 param->fp_verbose |= VERBOSE_PATTERN;
4419 param->fp_max_depth = 0;
4422 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4424 fprintf(stderr, "warning: '-M' deprecated"
4425 ", use '--mdt-index' or '-m' instead\n");
4428 if (!(param->fp_verbose & VERBOSE_DETAIL))
4429 param->fp_max_depth = 0;
4430 param->fp_verbose |= VERBOSE_MDTINDEX;
4433 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4434 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
4435 param->fp_max_depth = 0;
4439 if (param->fp_obd_uuid) {
4441 "error: %s: only one obduuid allowed",
4445 param->fp_obd_uuid = (struct obd_uuid *)optarg;
4448 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4449 param->fp_verbose |= VERBOSE_POOL;
4450 param->fp_max_depth = 0;
4457 param->fp_recursive = 1;
4463 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4464 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
4465 param->fp_max_depth = 0;
4469 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
4479 if (pathstart == -1) {
4480 fprintf(stderr, "error: %s: no filename|pathname\n",
4483 } else if (pathend == -1) {
4491 if (param->fp_recursive)
4492 param->fp_max_depth = -1;
4493 else if (param->fp_verbose & VERBOSE_DETAIL)
4494 param->fp_max_depth = 1;
4496 if (!param->fp_verbose)
4497 param->fp_verbose = VERBOSE_DEFAULT;
4498 if (param->fp_quiet)
4499 param->fp_verbose = VERBOSE_OBJID;
4502 rc = llapi_getstripe(argv[pathstart], param);
4503 } while (++pathstart < pathend && !rc);
4506 fprintf(stderr, "error: %s failed for %s.\n",
4507 argv[0], argv[optind - 1]);
4511 static int lfs_tgts(int argc, char **argv)
4513 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
4514 struct find_param param;
4515 int index = 0, rc=0;
4520 if (argc == 2 && !realpath(argv[1], path)) {
4522 fprintf(stderr, "error: invalid path '%s': %s\n",
4523 argv[1], strerror(-rc));
4527 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
4528 /* Check if we have a mount point */
4529 if (mntdir[0] == '\0')
4532 memset(¶m, 0, sizeof(param));
4533 if (!strcmp(argv[0], "mdts"))
4534 param.fp_get_lmv = 1;
4536 rc = llapi_ostlist(mntdir, ¶m);
4538 fprintf(stderr, "error: %s: failed on %s\n",
4541 if (path[0] != '\0')
4543 memset(mntdir, 0, PATH_MAX);
4549 static int lfs_getstripe(int argc, char **argv)
4551 struct find_param param = { 0 };
4553 param.fp_max_depth = 1;
4554 return lfs_getstripe_internal(argc, argv, ¶m);
4558 static int lfs_getdirstripe(int argc, char **argv)
4560 struct find_param param = { 0 };
4561 struct option long_opts[] = {
4562 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
4563 { .val = 'D', .name = "default", .has_arg = no_argument },
4564 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
4565 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
4566 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4567 { .val = 'O', .name = "obd", .has_arg = required_argument },
4568 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4569 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
4570 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4574 param.fp_get_lmv = 1;
4576 while ((c = getopt_long(argc, argv,
4577 "cDHimO:rtTy", long_opts, NULL)) != -1)
4582 param.fp_verbose |= VERBOSE_COUNT;
4585 param.fp_get_default_lmv = 1;
4589 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
4591 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4593 fprintf(stderr, "warning: '-t' deprecated, "
4594 "use '--mdt-hash' or '-H' instead\n");
4597 param.fp_verbose |= VERBOSE_HASH_TYPE;
4600 if (param.fp_obd_uuid) {
4602 "error: %s: only one obduuid allowed",
4606 param.fp_obd_uuid = (struct obd_uuid *)optarg;
4609 param.fp_recursive = 1;
4622 if (param.fp_recursive)
4623 param.fp_max_depth = -1;
4625 if (!param.fp_verbose)
4626 param.fp_verbose = VERBOSE_DEFAULT;
4629 rc = llapi_getstripe(argv[optind], ¶m);
4630 } while (++optind < argc && !rc);
4633 fprintf(stderr, "error: %s failed for %s.\n",
4634 argv[0], argv[optind - 1]);
4639 MNTDF_INODES = 0x0001,
4640 MNTDF_COOKED = 0x0002,
4641 MNTDF_LAZY = 0x0004,
4642 MNTDF_VERBOSE = 0x0008,
4643 MNTDF_SHOW = 0x0010,
4646 #define COOK(value) \
4649 while (value > 1024) { \
4657 #define CDF "%11llu"
4658 #define HDF "%8.1f%c"
4662 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
4664 double avail, used, ratio = 0;
4667 avail = st->os_ffree;
4668 used = st->os_files - st->os_ffree;
4670 avail = st->os_bavail;
4671 used = st->os_blocks - st->os_bfree;
4673 if (avail + used > 0)
4674 ratio = used / (used + avail) * 100;
4676 /* Round up to match df(1) usage percentage */
4677 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
4680 static int showdf(char *mntdir, struct obd_statfs *stat,
4681 char *uuid, enum mntdf_flags flags,
4682 char *type, int index, int rc)
4684 long long avail, used, total;
4686 char *suffix = "KMGTPEZY";
4687 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
4688 char tbuf[3 * sizeof(__u64)];
4689 char ubuf[3 * sizeof(__u64)];
4690 char abuf[3 * sizeof(__u64)];
4691 char rbuf[3 * sizeof(__u64)];
4698 if (flags & MNTDF_INODES) {
4699 avail = stat->os_ffree;
4700 used = stat->os_files - stat->os_ffree;
4701 total = stat->os_files;
4703 int shift = flags & MNTDF_COOKED ? 0 : 10;
4705 avail = (stat->os_bavail * stat->os_bsize) >> shift;
4706 used = ((stat->os_blocks - stat->os_bfree) *
4707 stat->os_bsize) >> shift;
4708 total = (stat->os_blocks * stat->os_bsize) >> shift;
4711 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
4713 if (flags & MNTDF_COOKED) {
4717 cook_val = (double)total;
4720 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
4723 snprintf(tbuf, sizeof(tbuf), CDF, total);
4725 cook_val = (double)used;
4728 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
4731 snprintf(ubuf, sizeof(ubuf), CDF, used);
4733 cook_val = (double)avail;
4736 snprintf(abuf, sizeof(abuf), HDF, cook_val,
4739 snprintf(abuf, sizeof(abuf), CDF, avail);
4741 snprintf(tbuf, sizeof(tbuf), CDF, total);
4742 snprintf(ubuf, sizeof(tbuf), CDF, used);
4743 snprintf(abuf, sizeof(tbuf), CDF, avail);
4746 sprintf(rbuf, RDF, ratio);
4747 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
4748 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
4750 printf("[%s:%d]", type, index);
4752 if (stat->os_state) {
4754 * Each character represents the matching
4757 const char state_names[] = "DRSI";
4762 for (i = 0, state = stat->os_state;
4763 state && i < sizeof(state_names); i++) {
4764 if (!(state & (1 << i)))
4766 printf("%c", state_names[i]);
4774 printf(UUF": inactive device\n", uuid);
4777 printf(UUF": %s\n", uuid, strerror(-rc));
4784 struct ll_stat_type {
4789 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
4791 struct ll_statfs_data {
4793 struct obd_statfs sd_st;
4796 struct ll_statfs_buf {
4798 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
4801 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
4802 int ops, struct ll_statfs_buf *lsb)
4804 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
4805 struct obd_uuid uuid_buf;
4806 char *poolname = NULL;
4807 struct ll_stat_type types[] = {
4808 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
4809 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
4810 { .st_name = NULL } };
4811 struct ll_stat_type *tp;
4812 __u64 ost_ffree = 0;
4820 poolname = strchr(pool, '.');
4821 if (poolname != NULL) {
4822 if (strncmp(fsname, pool, strlen(fsname))) {
4823 fprintf(stderr, "filesystem name incorrect\n");
4831 fd = open(mntdir, O_RDONLY);
4834 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
4839 if (flags & MNTDF_SHOW) {
4840 if (flags & MNTDF_INODES)
4841 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4842 "UUID", "Inodes", "IUsed", "IFree",
4843 "IUse%", "Mounted on");
4845 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
4847 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
4848 "Used", "Available", "Use%", "Mounted on");
4851 for (tp = types; tp->st_name != NULL; tp++) {
4852 bool have_ost = false;
4854 if (!(tp->st_op & ops))
4857 for (index = 0; ; index++) {
4858 memset(&stat_buf, 0, sizeof(struct obd_statfs));
4859 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
4860 type = flags & MNTDF_LAZY ?
4861 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
4862 rc2 = llapi_obd_fstatfs(fd, type, index,
4863 &stat_buf, &uuid_buf);
4868 if (rc2 == -ENODATA) { /* Inactive device, OK. */
4869 if (!(flags & MNTDF_VERBOSE))
4871 } else if (rc2 < 0 && rc == 0) {
4875 /* If we have OSTs then don't report MDT block counts.
4876 * For MDT-only filesystems the expectation is that all
4877 * layouts have a DoM component. For filesystems with
4878 * OSTs, files are not necessarily going to store data
4879 * on MDTs, and MDT space is limited to a fraction of
4880 * OST space, so don't include it in the summary.
4882 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
4889 if (poolname && tp->st_op == LL_STATFS_LOV &&
4890 llapi_search_ost(fsname, poolname,
4891 obd_uuid2str(&uuid_buf)) != 1)
4894 /* the llapi_obd_statfs() call may have returned with
4895 * an error, but if it filled in uuid_buf we will at
4896 * lease use that to print out a message for that OBD.
4897 * If we didn't get anything in the uuid_buf, then fill
4898 * it in so that we can print an error message. */
4899 if (uuid_buf.uuid[0] == '\0')
4900 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
4901 "%s%04x", tp->st_name, index);
4903 lsb->sb_buf[lsb->sb_count].sd_index = index;
4904 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
4907 if (flags & MNTDF_SHOW)
4908 showdf(mntdir, &stat_buf,
4909 obd_uuid2str(&uuid_buf), flags,
4910 tp->st_name, index, rc2);
4915 if (tp->st_op == LL_STATFS_LMV) {
4916 sum.os_ffree += stat_buf.os_ffree;
4917 sum.os_files += stat_buf.os_files;
4918 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
4919 ost_ffree += stat_buf.os_ffree;
4921 sum.os_blocks += stat_buf.os_blocks *
4923 sum.os_bfree += stat_buf.os_bfree *
4925 sum.os_bavail += stat_buf.os_bavail *
4932 /* If we don't have as many objects free on the OST as inodes
4933 * on the MDS, we reduce the total number of inodes to
4934 * compensate, so that the "inodes in use" number is correct.
4935 * Matches ll_statfs_internal() so the results are consistent. */
4936 if (ost_ffree < sum.os_ffree) {
4937 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
4938 sum.os_ffree = ost_ffree;
4940 if (flags & MNTDF_SHOW) {
4942 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
4949 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
4951 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
4953 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
4955 int r1 = obd_statfs_ratio(st1, false);
4956 int r2 = obd_statfs_ratio(st2, false);
4957 int64_t result = r1 - r2;
4959 /* if both space usage are above 90, compare free inodes */
4960 if (r1 > 90 && r2 > 90)
4961 result = st2->os_ffree - st1->os_ffree;
4965 else if (result == 0)
4972 static int lfs_setdirstripe(int argc, char **argv)
4976 struct lfs_setstripe_args lsa = { 0 };
4977 struct llapi_stripe_param *param = NULL;
4978 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
4981 char *mode_opt = NULL;
4982 bool default_stripe = false;
4983 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
4984 mode_t previous_mode = 0;
4985 bool delete = false;
4986 struct ll_statfs_buf *lsb = NULL;
4987 char mntdir[PATH_MAX] = "";
4988 bool auto_distributed = false;
4990 struct option long_opts[] = {
4991 { .val = 'c', .name = "count", .has_arg = required_argument },
4992 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
4993 { .val = 'd', .name = "delete", .has_arg = no_argument },
4994 { .val = 'D', .name = "default", .has_arg = no_argument },
4995 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
4996 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4997 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
4998 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
4999 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5001 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5002 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5004 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5005 { .val = 'i', .name = "index", .has_arg = required_argument },
5007 { .val = 'o', .name = "mode", .has_arg = required_argument },
5008 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5009 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5011 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5012 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5015 setstripe_args_init(&lsa);
5017 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:", long_opts,
5025 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5028 "%s %s: invalid stripe count '%s'\n",
5029 progname, argv[0], optarg);
5035 default_stripe = true;
5038 default_stripe = true;
5040 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5042 fprintf(stderr, "warning: '--hash-type' and '-t' "
5043 "deprecated, use '--mdt-hash' or '-H' instead\n");
5046 lsa.lsa_pattern = check_hashtype(optarg);
5047 if (lsa.lsa_pattern == 0) {
5049 "%s %s: bad stripe hash type '%s'\n",
5050 progname, argv[0], optarg);
5055 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5058 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5059 if (strcmp(argv[optind - 1], "--index") == 0)
5061 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5064 lsa.lsa_nr_tgts = parse_targets(mdts,
5065 sizeof(mdts) / sizeof(__u32),
5066 lsa.lsa_nr_tgts, optarg);
5067 if (lsa.lsa_nr_tgts < 0) {
5069 "%s %s: invalid MDT target(s) '%s'\n",
5070 progname, argv[0], optarg);
5074 lsa.lsa_tgts = mdts;
5075 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5076 lsa.lsa_stripe_off = mdts[0];
5078 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5080 fprintf(stderr, "warning: '-m' is deprecated, "
5081 "use '--mode' or '-o' instead\n");
5087 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5088 progname, argv[0], argv[optind - 1]);
5093 if (optind == argc) {
5094 fprintf(stderr, "%s %s: DIR must be specified\n",
5099 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5100 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT) {
5102 "%s %s: stripe offset and count must be specified\n",
5108 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5109 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5111 "%s %s: cannot specify -d with -c or -i options\n",
5116 if (mode_opt != NULL) {
5117 mode = strtoul(mode_opt, &end, 8);
5120 "%s %s: bad MODE '%s'\n",
5121 progname, argv[0], mode_opt);
5124 previous_mode = umask(0);
5128 * initialize stripe parameters, in case param is converted to specific,
5129 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
5131 param = calloc(1, offsetof(typeof(*param),
5132 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
5133 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
5134 if (param == NULL) {
5136 "%s %s: cannot allocate memory for parameters: %s\n",
5137 progname, argv[0], strerror(ENOMEM));
5141 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
5142 param->lsp_stripe_count = lsa.lsa_stripe_count;
5143 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5144 param->lsp_stripe_offset = -1;
5146 param->lsp_stripe_offset = lsa.lsa_stripe_off;
5147 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
5148 param->lsp_stripe_pattern = lsa.lsa_pattern;
5150 param->lsp_stripe_pattern = LMV_HASH_TYPE_FNV_1A_64;
5151 param->lsp_pool = lsa.lsa_pool_name;
5152 param->lsp_is_specific = false;
5153 if (lsa.lsa_nr_tgts > 1) {
5154 if (lsa.lsa_stripe_count > 0 &&
5155 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
5156 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
5157 fprintf(stderr, "error: %s: stripe count %lld doesn't "
5158 "match the number of MDTs: %d\n",
5159 argv[0], lsa.lsa_stripe_count, lsa.lsa_nr_tgts);
5164 param->lsp_is_specific = true;
5165 param->lsp_stripe_count = lsa.lsa_nr_tgts;
5166 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
5169 dname = argv[optind];
5171 if (default_stripe) {
5172 result = llapi_dir_set_default_lmv(dname, param);
5174 /* if current \a dname isn't under the same \a mntdir
5175 * as the last one, and the last one was
5176 * auto-distributed, restore \a param.
5178 if (mntdir[0] != '\0' &&
5179 strncmp(dname, mntdir, strlen(mntdir)) &&
5181 param->lsp_is_specific = false;
5182 param->lsp_stripe_offset = -1;
5183 auto_distributed = false;
5186 if (!param->lsp_is_specific &&
5187 param->lsp_stripe_offset == -1) {
5188 char path[PATH_MAX] = "";
5191 lsb = malloc(sizeof(*lsb));
5199 /* use mntdir for dirname() temporarily */
5200 strncpy(mntdir, dname, sizeof(mntdir));
5201 if (!realpath(dirname(mntdir), path)) {
5204 "error: invalid path '%s': %s\n",
5205 argv[optind], strerror(errno));
5210 result = llapi_search_mounts(path, 0, mntdir,
5212 if (result < 0 || mntdir[0] == '\0') {
5214 "No suitable Lustre mount found\n");
5218 result = mntdf(mntdir, NULL, NULL, 0,
5219 LL_STATFS_LMV, lsb);
5223 if (param->lsp_stripe_count > lsb->sb_count) {
5225 "error: stripe count %d is too big\n",
5226 param->lsp_stripe_count);
5231 qsort(lsb->sb_buf, lsb->sb_count,
5232 sizeof(struct ll_statfs_data),
5233 ll_statfs_data_comp);
5235 auto_distributed = true;
5238 if (auto_distributed) {
5240 int nr = MAX(param->lsp_stripe_count,
5243 /* don't use server whose usage is above 90% */
5244 while (nr != param->lsp_stripe_count &&
5245 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st,
5247 nr = MAX(param->lsp_stripe_count,
5250 /* get \a r between [0, nr) */
5253 param->lsp_stripe_offset =
5254 lsb->sb_buf[r].sd_index;
5255 if (param->lsp_stripe_count > 1) {
5258 param->lsp_is_specific = true;
5259 for (; i < param->lsp_stripe_count; i++)
5260 param->lsp_tgts[(i + r) % nr] =
5261 lsb->sb_buf[i].sd_index;
5265 result = llapi_dir_create(dname, mode, param);
5270 "%s setdirstripe: cannot create stripe dir '%s': %s\n",
5271 progname, dname, strerror(-result));
5274 dname = argv[++optind];
5275 } while (dname != NULL);
5277 if (mode_opt != NULL)
5278 umask(previous_mode);
5286 static int lfs_rmentry(int argc, char **argv)
5293 fprintf(stderr, "error: %s: missing dirname\n",
5299 dname = argv[index];
5300 while (dname != NULL) {
5301 result = llapi_direntry_remove(dname);
5303 fprintf(stderr, "error: %s: remove dir entry '%s' "
5304 "failed\n", argv[0], dname);
5307 dname = argv[++index];
5312 static int lfs_mv(int argc, char **argv)
5314 struct lmv_user_md lmu = { LMV_USER_MAGIC };
5315 struct find_param param = {
5322 struct option long_opts[] = {
5323 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5324 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5325 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5328 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
5330 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5332 fprintf(stderr, "warning: '-M' deprecated"
5333 ", use '--mdt-index' or '-m' instead\n");
5336 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
5338 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
5344 param.fp_verbose = VERBOSE_DETAIL;
5347 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
5348 progname, argv[optind - 1]);
5353 if (lmu.lum_stripe_offset == -1) {
5354 fprintf(stderr, "%s mv: MDT index must be specified\n",
5359 if (optind >= argc) {
5360 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
5365 /* initialize migrate mdt parameters */
5366 param.fp_lmv_md = &lmu;
5367 param.fp_migrate = 1;
5368 rc = llapi_migrate_mdt(argv[optind], ¶m);
5370 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
5371 progname, argv[optind], param.fp_mdt_index,
5376 static int lfs_osts(int argc, char **argv)
5378 return lfs_tgts(argc, argv);
5381 static int lfs_mdts(int argc, char **argv)
5383 return lfs_tgts(argc, argv);
5386 static int lfs_df(int argc, char **argv)
5388 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5389 enum mntdf_flags flags = MNTDF_SHOW;
5390 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
5391 int c, rc = 0, index = 0;
5392 char fsname[PATH_MAX] = "", *pool_name = NULL;
5393 struct option long_opts[] = {
5394 { .val = 'h', .name = "human-readable",
5395 .has_arg = no_argument },
5396 { .val = 'i', .name = "inodes", .has_arg = no_argument },
5397 { .val = 'l', .name = "lazy", .has_arg = no_argument },
5398 { .val = 'p', .name = "pool", .has_arg = required_argument },
5399 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5402 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
5405 flags |= MNTDF_COOKED;
5408 flags |= MNTDF_INODES;
5411 flags |= MNTDF_LAZY;
5417 flags |= MNTDF_VERBOSE;
5423 if (optind < argc && !realpath(argv[optind], path)) {
5425 fprintf(stderr, "error: invalid path '%s': %s\n",
5426 argv[optind], strerror(-rc));
5430 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5431 /* Check if we have a mount point */
5432 if (mntdir[0] == '\0')
5435 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
5436 if (rc || path[0] != '\0')
5438 fsname[0] = '\0'; /* avoid matching in next loop */
5439 mntdir[0] = '\0'; /* avoid matching in next loop */
5445 static int print_instance(const char *mntdir, char *fsname, size_t fsnamelen,
5446 bool opt_instance, bool opt_fsname, bool opt_mntdir)
5450 /* llapi_search_mounts() fills "fsname", but that is not called if
5451 * explicit paths are specified on the command-line
5453 if (opt_instance || (opt_fsname && fsname[0] == '\0')) {
5454 int rc = llapi_getname(mntdir, fsname, fsnamelen);
5457 fprintf(stderr, "cannot get instance for '%s': %s\n",
5458 mntdir, strerror(-rc));
5462 if (!opt_instance) {
5463 /* print only the fsname name */
5464 buf = strchr(fsname, '-');
5468 } else if (!opt_fsname) {
5469 /* print only the instance name */
5470 buf = strchr(fsname, '-');
5476 } else if (opt_fsname) {
5477 /* print only the fsname */
5481 printf("%s %s\n", buf, opt_mntdir ? mntdir : "");
5486 static int lfs_getname(int argc, char **argv)
5488 struct option long_opts[] = {
5489 { .val = 'h', .name = "help", .has_arg = no_argument },
5490 { .val = 'i', .name = "instance", .has_arg = no_argument },
5491 { .val = 'n', .name = "fsname", .has_arg = no_argument },
5493 bool opt_instance = false, opt_fsname = false;
5494 char fsname[PATH_MAX] = "";
5497 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
5500 opt_instance = true;
5511 /* If neither option is given, print both instance and fsname */
5512 if (!opt_instance && !opt_fsname)
5513 opt_instance = opt_fsname = true;
5515 if (optind == argc) { /* no paths specified, get all paths. */
5516 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
5519 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5520 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
5521 opt_instance, opt_fsname, true);
5524 path[0] = fsname[0] = mntdir[0] = '\0';
5526 } else { /* paths specified, only attempt to search these. */
5529 /* if only one path is given, print only requested info */
5530 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
5532 for (; optind < argc; optind++) {
5533 rc2 = print_instance(argv[optind], fsname,
5534 sizeof(fsname), opt_instance,
5535 opt_fsname, opt_mntdir);
5545 static int lfs_check(int argc, char **argv)
5547 char mntdir[PATH_MAX] = {'\0'};
5556 fprintf(stderr, "%s check: server type must be specified\n",
5561 obd_types[0] = obd_type1;
5562 obd_types[1] = obd_type2;
5563 obd_types[2] = obd_type3;
5565 if (strcmp(argv[1], "osts") == 0) {
5566 strcpy(obd_types[0], "osc");
5567 } else if (strcmp(argv[1], "mdts") == 0 ||
5568 strcmp(argv[1], "mds") == 0) {
5569 strcpy(obd_types[0], "mdc");
5570 } else if (strcmp(argv[1], "mgts") == 0) {
5571 strcpy(obd_types[0], "mgc");
5572 } else if (strcmp(argv[1], "all") == 0 ||
5573 strcmp(argv[1], "servers") == 0) {
5575 strcpy(obd_types[0], "osc");
5576 strcpy(obd_types[1], "mdc");
5577 strcpy(obd_types[2], "mgc");
5579 fprintf(stderr, "%s check: unrecognized option '%s'\n",
5584 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
5585 if (rc < 0 || mntdir[0] == '\0') {
5587 "%s check: cannot find mounted Lustre filesystem: %s\n",
5588 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
5592 rc = llapi_target_check(num_types, obd_types, mntdir);
5594 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
5595 progname, argv[1], strerror(-rc));
5601 #ifdef HAVE_SYS_QUOTA_H
5602 #define ARG2INT(nr, str, msg) \
5605 nr = strtol(str, &endp, 0); \
5606 if (*endp != '\0') { \
5607 fprintf(stderr, "%s: bad %s '%s'\n", \
5608 progname, msg, str); \
5613 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
5615 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
5616 * returns the value or ULONG_MAX on integer overflow or incorrect format
5618 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
5619 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
5620 * 3. empty integer value is interpreted as 0
5622 static unsigned long str2sec(const char* timestr)
5624 const char spec[] = "smhdw";
5625 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
5626 unsigned long val = 0;
5629 if (strpbrk(timestr, spec) == NULL) {
5630 /* no specifiers inside the time string,
5631 should treat it as an integer value */
5632 val = strtoul(timestr, &tail, 10);
5633 return *tail ? ULONG_MAX : val;
5636 /* format string is XXwXXdXXhXXmXXs */
5642 v = strtoul(timestr, &tail, 10);
5643 if (v == ULONG_MAX || *tail == '\0')
5644 /* value too large (ULONG_MAX or more)
5645 or missing specifier */
5648 ptr = strchr(spec, *tail);
5650 /* unknown specifier */
5655 /* check if product will overflow the type */
5656 if (!(v < ULONG_MAX / mult[ind]))
5659 ADD_OVERFLOW(val, mult[ind] * v);
5660 if (val == ULONG_MAX)
5672 #define ARG2ULL(nr, str, def_units) \
5674 unsigned long long limit, units = def_units; \
5677 rc = llapi_parse_size(str, &limit, &units, 1); \
5679 fprintf(stderr, "%s: invalid limit '%s'\n", \
5686 static inline int has_times_option(int argc, char **argv)
5690 for (i = 1; i < argc; i++)
5691 if (!strcmp(argv[i], "-t"))
5697 int lfs_setquota_times(int argc, char **argv)
5700 struct if_quotactl qctl;
5701 char *mnt, *obd_type = (char *)qctl.obd_type;
5702 struct obd_dqblk *dqb = &qctl.qc_dqblk;
5703 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
5704 struct option long_opts[] = {
5705 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
5706 { .val = 'g', .name = "group", .has_arg = no_argument },
5707 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
5708 { .val = 'p', .name = "projid", .has_arg = no_argument },
5709 { .val = 't', .name = "times", .has_arg = no_argument },
5710 { .val = 'u', .name = "user", .has_arg = no_argument },
5714 memset(&qctl, 0, sizeof(qctl));
5715 qctl.qc_cmd = LUSTRE_Q_SETINFO;
5716 qctl.qc_type = ALLQUOTA;
5718 while ((c = getopt_long(argc, argv, "b:gi:ptu",
5719 long_opts, NULL)) != -1) {
5730 if (qctl.qc_type != ALLQUOTA) {
5731 fprintf(stderr, "error: -u/g/p can't be used "
5732 "more than once\n");
5735 qctl.qc_type = qtype;
5738 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
5739 fprintf(stderr, "error: bad block-grace: %s\n",
5743 dqb->dqb_valid |= QIF_BTIME;
5746 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
5747 fprintf(stderr, "error: bad inode-grace: %s\n",
5751 dqb->dqb_valid |= QIF_ITIME;
5753 case 't': /* Yes, of course! */
5755 default: /* getopt prints error message for us when opterr != 0 */
5760 if (qctl.qc_type == ALLQUOTA) {
5761 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
5765 if (optind != argc - 1) {
5766 fprintf(stderr, "error: unexpected parameters encountered\n");
5770 if ((dqb->dqb_valid | QIF_BTIME && dqi->dqi_bgrace >= UINT_MAX) ||
5771 (dqb->dqb_valid | QIF_ITIME && dqi->dqi_igrace >= UINT_MAX)) {
5772 fprintf(stderr, "error: grace time is too large\n");
5777 rc = llapi_quotactl(mnt, &qctl);
5780 fprintf(stderr, "%s %s ", obd_type,
5781 obd_uuid2str(&qctl.obd_uuid));
5782 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
5789 #define BSLIMIT (1 << 0)
5790 #define BHLIMIT (1 << 1)
5791 #define ISLIMIT (1 << 2)
5792 #define IHLIMIT (1 << 3)
5794 int lfs_setquota(int argc, char **argv)
5797 struct if_quotactl qctl;
5798 char *mnt, *obd_type = (char *)qctl.obd_type;
5799 struct obd_dqblk *dqb = &qctl.qc_dqblk;
5800 struct option long_opts[] = {
5801 { .val = 'b', .name = "block-softlimit",
5802 .has_arg = required_argument },
5803 { .val = 'B', .name = "block-hardlimit",
5804 .has_arg = required_argument },
5805 { .val = 'd', .name = "default", .has_arg = no_argument },
5806 { .val = 'g', .name = "group", .has_arg = required_argument },
5807 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
5808 { .val = 'i', .name = "inode-softlimit",
5809 .has_arg = required_argument },
5810 { .val = 'I', .name = "inode-hardlimit",
5811 .has_arg = required_argument },
5812 { .val = 'p', .name = "projid", .has_arg = required_argument },
5813 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
5814 { .val = 'u', .name = "user", .has_arg = required_argument },
5815 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
5817 unsigned limit_mask = 0;
5819 bool use_default = false;
5822 if (has_times_option(argc, argv))
5823 return lfs_setquota_times(argc, argv);
5825 memset(&qctl, 0, sizeof(qctl));
5826 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
5827 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
5828 * so it can be used as a marker that qc_type
5829 * isn't reinitialized from command line */
5831 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
5832 long_opts, NULL)) != -1) {
5835 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5838 goto quota_type_def;
5841 rc = name2uid(&qctl.qc_id, optarg);
5844 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5847 goto quota_type_def;
5850 rc = name2gid(&qctl.qc_id, optarg);
5853 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5856 goto quota_type_def;
5859 rc = name2projid(&qctl.qc_id, optarg);
5862 qctl.qc_id = strtoul(optarg, &endptr, 10);
5863 if (*endptr != '\0') {
5864 fprintf(stderr, "%s setquota: invalid"
5865 " id '%s'\n", progname, optarg);
5870 if (qctl.qc_id == 0) {
5871 fprintf(stderr, "%s setquota: can't set quota"
5872 " for root usr/group/project.\n",
5878 if (qctl.qc_type != ALLQUOTA) {
5880 "%s setquota: only one of -u, -U, -g,"
5881 " -G, -p or -P may be specified\n",
5885 qctl.qc_type = qtype;
5888 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
5892 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
5893 dqb->dqb_bsoftlimit >>= 10;
5894 limit_mask |= BSLIMIT;
5895 if (dqb->dqb_bsoftlimit &&
5896 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
5898 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
5899 "See '%s help setquota' or Lustre manual for details\n",
5900 progname, dqb->dqb_bsoftlimit,
5904 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
5905 dqb->dqb_bhardlimit >>= 10;
5906 limit_mask |= BHLIMIT;
5907 if (dqb->dqb_bhardlimit &&
5908 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
5910 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
5911 "See '%s help setquota' or Lustre manual for details\n",
5912 progname, dqb->dqb_bhardlimit,
5916 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
5917 limit_mask |= ISLIMIT;
5918 if (dqb->dqb_isoftlimit &&
5919 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
5921 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
5922 "See '%s help setquota' or Lustre manual for details\n",
5923 progname, dqb->dqb_isoftlimit,
5927 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
5928 limit_mask |= IHLIMIT;
5929 if (dqb->dqb_ihardlimit &&
5930 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
5932 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
5933 "See '%s help setquota' or Lustre manual for details\n",
5934 progname, dqb->dqb_ihardlimit,
5939 "%s setquota: unrecognized option '%s'\n",
5940 progname, argv[optind - 1]);
5945 if (qctl.qc_type == ALLQUOTA) {
5947 "%s setquota: either -u or -g must be specified\n",
5952 if (!use_default && limit_mask == 0) {
5954 "%s setquota: at least one limit must be specified\n",
5959 if (use_default && limit_mask != 0) {
5961 "%s setquota: limits should not be specified when"
5962 " using default quota\n",
5967 if (use_default && qctl.qc_id == 0) {
5969 "%s setquota: can not set default quota for root"
5970 " user/group/project\n",
5975 if (optind != argc - 1) {
5977 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
5978 progname, argv[optind]);
5985 dqb->dqb_bhardlimit = 0;
5986 dqb->dqb_bsoftlimit = 0;
5987 dqb->dqb_ihardlimit = 0;
5988 dqb->dqb_isoftlimit = 0;
5991 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
5992 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
5993 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
5994 /* sigh, we can't just set blimits/ilimits */
5995 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
5996 .qc_type = qctl.qc_type,
5997 .qc_id = qctl.qc_id};
5999 rc = llapi_quotactl(mnt, &tmp_qctl);
6003 if (!(limit_mask & BHLIMIT))
6004 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6005 if (!(limit_mask & BSLIMIT))
6006 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6007 if (!(limit_mask & IHLIMIT))
6008 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6009 if (!(limit_mask & ISLIMIT))
6010 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6012 /* Keep grace times if we have got no softlimit arguments */
6013 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6014 dqb->dqb_valid |= QIF_BTIME;
6015 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6018 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6019 dqb->dqb_valid |= QIF_ITIME;
6020 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6024 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6025 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6027 rc = llapi_quotactl(mnt, &qctl);
6031 "%s setquota: cannot quotactl '%s' '%s': %s",
6033 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6040 /* Converts seconds value into format string
6041 * result is returned in buf
6043 * 1. result is in descenting order: 1w2d3h4m5s
6044 * 2. zero fields are not filled (except for p. 3): 5d1s
6045 * 3. zero seconds value is presented as "0s"
6047 static char * __sec2str(time_t seconds, char *buf)
6049 const char spec[] = "smhdw";
6050 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6055 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
6056 c = seconds / mult[i];
6058 if (c > 0 || (i == 0 && buf == tail))
6059 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
6067 static void sec2str(time_t seconds, char *buf, int rc)
6074 tail = __sec2str(seconds, tail);
6076 if (rc && tail - buf < 39) {
6082 static void diff2str(time_t seconds, char *buf, time_t now)
6088 if (seconds <= now) {
6089 strcpy(buf, "none");
6092 __sec2str(seconds - now, buf);
6095 static void print_quota_title(char *name, struct if_quotactl *qctl,
6096 bool human_readable, bool show_default)
6099 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6100 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6101 "Filesystem", "bquota", "blimit", "bgrace",
6102 "iquota", "ilimit", "igrace");
6104 printf("Disk quotas for %s %s (%cid %u):\n",
6105 qtype_name(qctl->qc_type), name,
6106 *qtype_name(qctl->qc_type), qctl->qc_id);
6107 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6108 "Filesystem", human_readable ? "used" : "kbytes",
6109 "quota", "limit", "grace",
6110 "files", "quota", "limit", "grace");
6114 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6117 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6120 snprintf(buf, buflen, "%5.4gP",
6121 (double)num / ((__u64)1 << 40));
6123 snprintf(buf, buflen, "%5.4gT",
6124 (double)num / (1 << 30));
6126 snprintf(buf, buflen, "%5.4gG",
6127 (double)num / (1 << 20));
6129 snprintf(buf, buflen, "%5.4gM",
6130 (double)num / (1 << 10));
6132 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6136 #define STRBUF_LEN 32
6137 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6138 int rc, bool h, bool show_default)
6144 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6145 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6146 int bover = 0, iover = 0;
6147 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6148 char numbuf[3][STRBUF_LEN];
6150 char strbuf[STRBUF_LEN];
6152 if (dqb->dqb_bhardlimit &&
6153 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6155 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6156 if (dqb->dqb_btime > now) {
6163 if (dqb->dqb_ihardlimit &&
6164 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6166 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6167 if (dqb->dqb_itime > now) {
6175 if (strlen(mnt) > 15)
6176 printf("%s\n%15s", mnt, "");
6178 printf("%15s", mnt);
6181 diff2str(dqb->dqb_btime, timebuf, now);
6182 else if (show_default)
6183 snprintf(timebuf, sizeof(timebuf), "%llu",
6186 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6187 strbuf, sizeof(strbuf), h);
6188 if (rc == -EREMOTEIO)
6189 sprintf(numbuf[0], "%s*", strbuf);
6191 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6192 "%s" : "[%s]", strbuf);
6194 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6195 if (type == QC_GENERAL)
6196 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6197 "%s" : "[%s]", strbuf);
6199 sprintf(numbuf[1], "%s", "-");
6201 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6202 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6203 "%s" : "[%s]", strbuf);
6206 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6208 printf(" %7s%c %6s %7s %7s",
6209 numbuf[0], bover ? '*' : ' ', numbuf[1],
6210 numbuf[2], bover > 1 ? timebuf : "-");
6214 diff2str(dqb->dqb_itime, timebuf, now);
6215 else if (show_default)
6216 snprintf(timebuf, sizeof(timebuf), "%llu",
6219 snprintf(numbuf[0], sizeof(numbuf),
6220 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
6221 (uintmax_t)dqb->dqb_curinodes);
6223 if (type == QC_GENERAL)
6224 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
6226 (uintmax_t)dqb->dqb_isoftlimit);
6228 sprintf(numbuf[1], "%s", "-");
6230 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
6231 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
6234 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6235 else if (type != QC_OSTIDX)
6236 printf(" %7s%c %6s %7s %7s",
6237 numbuf[0], iover ? '*' : ' ', numbuf[1],
6238 numbuf[2], iover > 1 ? timebuf : "-");
6240 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
6243 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
6244 qctl->qc_cmd == Q_GETOINFO) {
6248 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
6249 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
6250 printf("Block grace time: %s; Inode grace time: %s\n",
6251 bgtimebuf, igtimebuf);
6255 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
6256 bool h, __u64 *total)
6258 int rc = 0, rc1 = 0, count = 0;
6259 __u32 valid = qctl->qc_valid;
6261 rc = llapi_get_obd_count(mnt, &count, is_mdt);
6263 fprintf(stderr, "can not get %s count: %s\n",
6264 is_mdt ? "mdt": "ost", strerror(-rc));
6268 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
6269 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
6270 rc = llapi_quotactl(mnt, qctl);
6272 /* It is remote client case. */
6273 if (rc == -EOPNOTSUPP) {
6280 fprintf(stderr, "quotactl %s%d failed.\n",
6281 is_mdt ? "mdt": "ost", qctl->qc_idx);
6285 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
6286 qctl->qc_valid, 0, h, false);
6287 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
6288 qctl->qc_dqblk.dqb_bhardlimit;
6291 qctl->qc_valid = valid;
6295 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
6296 int verbose, int quiet, bool human_readable,
6299 int rc1 = 0, rc2 = 0, rc3 = 0;
6300 char *obd_type = (char *)qctl->obd_type;
6301 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
6302 __u64 total_ialloc = 0, total_balloc = 0;
6303 bool use_default_for_blk = false;
6304 bool use_default_for_file = false;
6307 rc1 = llapi_quotactl(mnt, qctl);
6311 fprintf(stderr, "%s quotas are not enabled.\n",
6312 qtype_name(qctl->qc_type));
6315 fprintf(stderr, "Permission denied.\n");
6318 /* We already got error message. */
6321 fprintf(stderr, "Unexpected quotactl error: %s\n",
6326 if (!show_default && qctl->qc_id == 0) {
6327 qctl->qc_dqblk.dqb_bhardlimit = 0;
6328 qctl->qc_dqblk.dqb_bsoftlimit = 0;
6329 qctl->qc_dqblk.dqb_ihardlimit = 0;
6330 qctl->qc_dqblk.dqb_isoftlimit = 0;
6331 qctl->qc_dqblk.dqb_btime = 0;
6332 qctl->qc_dqblk.dqb_itime = 0;
6333 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
6336 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
6337 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
6338 use_default_for_blk = true;
6339 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
6342 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
6343 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
6344 use_default_for_file = true;
6345 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
6348 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
6349 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
6350 print_quota_title(name, qctl, human_readable, show_default);
6352 if (rc1 && *obd_type)
6353 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
6355 if (qctl->qc_valid != QC_GENERAL)
6358 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
6359 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
6360 (QIF_LIMITS|QIF_USAGE));
6362 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
6364 if (!show_default && verbose &&
6365 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
6366 char strbuf[STRBUF_LEN];
6368 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
6370 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
6372 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
6374 printf("Total allocated inode limit: %ju, total "
6375 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
6379 if (use_default_for_blk)
6380 printf("%cid %u is using default block quota setting\n",
6381 *qtype_name(qctl->qc_type), qctl->qc_id);
6383 if (use_default_for_file)
6384 printf("%cid %u is using default file quota setting\n",
6385 *qtype_name(qctl->qc_type), qctl->qc_id);
6387 if (rc1 || rc2 || rc3 || inacc)
6388 printf("Some errors happened when getting quota info. "
6389 "Some devices may be not working or deactivated. "
6390 "The data in \"[]\" is inaccurate.\n");
6396 static int lfs_project(int argc, char **argv)
6398 int ret = 0, err = 0, c, i;
6399 struct project_handle_control phc = { 0 };
6400 enum lfs_project_ops_t op;
6403 phc.assign_projid = false;
6404 /* default action */
6405 op = LFS_PROJECT_LIST;
6407 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
6410 if (op != LFS_PROJECT_LIST) {
6412 "%s: cannot specify '-c' '-C' '-s' together\n",
6417 op = LFS_PROJECT_CHECK;
6420 if (op != LFS_PROJECT_LIST) {
6422 "%s: cannot specify '-c' '-C' '-s' together\n",
6427 op = LFS_PROJECT_CLEAR;
6430 if (op != LFS_PROJECT_LIST) {
6432 "%s: cannot specify '-c' '-C' '-s' together\n",
6437 phc.set_inherit = true;
6438 op = LFS_PROJECT_SET;
6444 phc.keep_projid = true;
6447 phc.recursive = true;
6450 phc.projid = strtoul(optarg, NULL, 0);
6451 phc.assign_projid = true;
6455 phc.newline = false;
6458 fprintf(stderr, "%s: invalid option '%c'\n",
6464 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
6465 op = LFS_PROJECT_SET;
6466 phc.set_projid = true;
6467 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
6468 phc.set_projid = true;
6472 case LFS_PROJECT_CHECK:
6473 if (phc.keep_projid) {
6475 "%s: '-k' is useless together with '-c'\n",
6480 case LFS_PROJECT_CLEAR:
6483 "%s: '-0' is useless together with '-C'\n",
6487 if (phc.assign_projid) {
6489 "%s: '-p' is useless together with '-C'\n",
6494 case LFS_PROJECT_SET:
6497 "%s: '-0' is useless together with '-s'\n",
6501 if (phc.keep_projid) {
6503 "%s: '-k' is useless together with '-s'\n",
6511 "%s: '-0' is useless for list operations\n",
6521 fprintf(stderr, "%s: missing file or directory target(s)\n",
6526 for (i = 0; i < argc; i++) {
6528 case LFS_PROJECT_CHECK:
6529 err = lfs_project_check(argv[i], &phc);
6531 case LFS_PROJECT_LIST:
6532 err = lfs_project_list(argv[i], &phc);
6534 case LFS_PROJECT_CLEAR:
6535 err = lfs_project_clear(argv[i], &phc);
6537 case LFS_PROJECT_SET:
6538 err = lfs_project_set(argv[i], &phc);
6550 static int lfs_quota(int argc, char **argv)
6553 char *mnt, *name = NULL;
6554 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
6555 .qc_type = ALLQUOTA };
6556 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
6557 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
6559 __u32 valid = QC_GENERAL, idx = 0;
6560 bool human_readable = false;
6561 bool show_default = false;
6564 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
6567 show_default = true;
6572 show_default = true;
6577 show_default = true;
6581 if (qctl.qc_type != ALLQUOTA) {
6583 "%s quota: only one of -u, -g, or -p may be specified\n",
6587 qctl.qc_type = qtype;
6590 qctl.qc_cmd = LUSTRE_Q_GETINFO;
6593 valid = qctl.qc_valid = QC_UUID;
6594 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
6597 valid = qctl.qc_valid = QC_MDTIDX;
6598 idx = qctl.qc_idx = atoi(optarg);
6599 if (idx == 0 && *optarg != '0') {
6601 "%s quota: invalid MDT index '%s'\n",
6607 valid = qctl.qc_valid = QC_OSTIDX;
6608 idx = qctl.qc_idx = atoi(optarg);
6609 if (idx == 0 && *optarg != '0') {
6611 "%s quota: invalid OST index '%s'\n",
6623 human_readable = true;
6626 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
6627 progname, argv[optind - 1]);
6632 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
6633 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
6634 optind == argc - 1 && !show_default) {
6636 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
6637 qctl.qc_valid = valid;
6640 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
6641 qctl.qc_type = qtype;
6642 if (qtype == USRQUOTA) {
6643 qctl.qc_id = geteuid();
6644 rc = uid2name(&name, qctl.qc_id);
6646 qctl.qc_id = getegid();
6647 rc = gid2name(&name, qctl.qc_id);
6652 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
6653 human_readable, show_default);
6658 /* lfs quota -u username /path/to/lustre/mount */
6659 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
6660 /* options should be followed by u/g-name and mntpoint */
6661 if ((!show_default && optind + 2 != argc) ||
6662 (show_default && optind + 1 != argc) ||
6663 qctl.qc_type == ALLQUOTA) {
6665 "%s quota: name and mount point must be specified\n",
6670 if (!show_default) {
6671 name = argv[optind++];
6672 switch (qctl.qc_type) {
6674 rc = name2uid(&qctl.qc_id, name);
6677 rc = name2gid(&qctl.qc_id, name);
6680 rc = name2projid(&qctl.qc_id, name);
6687 qctl.qc_valid = QC_GENERAL;
6688 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
6693 qctl.qc_id = strtoul(name, &endptr, 10);
6694 if (*endptr != '\0') {
6695 fprintf(stderr, "%s quota: invalid id '%s'\n",
6700 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
6701 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
6707 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
6708 human_readable, show_default);
6711 #endif /* HAVE_SYS_QUOTA_H! */
6713 static int flushctx_ioctl(char *mp)
6717 fd = open(mp, O_RDONLY);
6719 fprintf(stderr, "flushctx: error open %s: %s\n",
6720 mp, strerror(errno));
6724 rc = ioctl(fd, LL_IOC_FLUSHCTX);
6726 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
6727 mp, strerror(errno));
6733 static int lfs_flushctx(int argc, char **argv)
6735 int kdestroy = 0, c;
6736 char mntdir[PATH_MAX] = {'\0'};
6740 while ((c = getopt(argc, argv, "k")) != -1) {
6746 fprintf(stderr, "error: %s: option '-%c' "
6747 "unrecognized\n", argv[0], c);
6753 if ((rc = system("kdestroy > /dev/null")) != 0) {
6754 rc = WEXITSTATUS(rc);
6755 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
6759 if (optind >= argc) {
6760 /* flush for all mounted lustre fs. */
6761 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
6762 /* Check if we have a mount point */
6763 if (mntdir[0] == '\0')
6766 if (flushctx_ioctl(mntdir))
6769 mntdir[0] = '\0'; /* avoid matching in next loop */
6772 /* flush fs as specified */
6773 while (optind < argc) {
6774 if (flushctx_ioctl(argv[optind++]))
6781 static int lfs_changelog(int argc, char **argv)
6783 void *changelog_priv;
6784 struct changelog_rec *rec;
6785 long long startrec = 0, endrec = 0;
6787 struct option long_opts[] = {
6788 { .val = 'f', .name = "follow", .has_arg = no_argument },
6790 char short_opts[] = "f";
6793 while ((rc = getopt_long(argc, argv, short_opts,
6794 long_opts, NULL)) != -1) {
6801 "%s changelog: unrecognized option '%s'\n",
6802 progname, argv[optind - 1]);
6806 if (optind >= argc) {
6807 fprintf(stderr, "%s changelog: mdtname must be specified\n",
6812 mdd = argv[optind++];
6814 startrec = strtoll(argv[optind++], NULL, 10);
6816 endrec = strtoll(argv[optind++], NULL, 10);
6818 rc = llapi_changelog_start(&changelog_priv,
6819 CHANGELOG_FLAG_BLOCK |
6820 CHANGELOG_FLAG_JOBID |
6821 CHANGELOG_FLAG_EXTRA_FLAGS |
6822 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
6825 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
6826 progname, strerror(errno = -rc));
6830 rc = llapi_changelog_set_xflags(changelog_priv,
6831 CHANGELOG_EXTRA_FLAG_UIDGID |
6832 CHANGELOG_EXTRA_FLAG_NID |
6833 CHANGELOG_EXTRA_FLAG_OMODE |
6834 CHANGELOG_EXTRA_FLAG_XATTR);
6837 "%s changelog: cannot set xflags for changelog: %s\n",
6838 progname, strerror(errno = -rc));
6842 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
6846 if (endrec && rec->cr_index > endrec) {
6847 llapi_changelog_free(&rec);
6850 if (rec->cr_index < startrec) {
6851 llapi_changelog_free(&rec);
6855 secs = rec->cr_time >> 30;
6856 gmtime_r(&secs, &ts);
6857 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
6858 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
6859 changelog_type2str(rec->cr_type),
6860 ts.tm_hour, ts.tm_min, ts.tm_sec,
6861 (int)(rec->cr_time & ((1 << 30) - 1)),
6862 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
6863 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
6865 if (rec->cr_flags & CLF_JOBID) {
6866 struct changelog_ext_jobid *jid =
6867 changelog_rec_jobid(rec);
6869 if (jid->cr_jobid[0] != '\0')
6870 printf(" j=%s", jid->cr_jobid);
6873 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
6874 struct changelog_ext_extra_flags *ef =
6875 changelog_rec_extra_flags(rec);
6877 printf(" ef=0x%llx", ef->cr_extra_flags);
6879 if (ef->cr_extra_flags & CLFE_UIDGID) {
6880 struct changelog_ext_uidgid *uidgid =
6881 changelog_rec_uidgid(rec);
6883 printf(" u=%llu:%llu",
6884 uidgid->cr_uid, uidgid->cr_gid);
6886 if (ef->cr_extra_flags & CLFE_NID) {
6887 struct changelog_ext_nid *nid =
6888 changelog_rec_nid(rec);
6891 libcfs_nid2str(nid->cr_nid));
6894 if (ef->cr_extra_flags & CLFE_OPEN) {
6895 struct changelog_ext_openmode *omd =
6896 changelog_rec_openmode(rec);
6897 char mode[] = "---";
6899 /* exec mode must be exclusive */
6900 if (omd->cr_openflags & MDS_FMODE_EXEC) {
6903 if (omd->cr_openflags & MDS_FMODE_READ)
6905 if (omd->cr_openflags &
6912 if (strcmp(mode, "---") != 0)
6913 printf(" m=%s", mode);
6917 if (ef->cr_extra_flags & CLFE_XATTR) {
6918 struct changelog_ext_xattr *xattr =
6919 changelog_rec_xattr(rec);
6921 if (xattr->cr_xattr[0] != '\0')
6922 printf(" x=%s", xattr->cr_xattr);
6926 if (rec->cr_namelen)
6927 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
6928 rec->cr_namelen, changelog_rec_name(rec));
6930 if (rec->cr_flags & CLF_RENAME) {
6931 struct changelog_ext_rename *rnm =
6932 changelog_rec_rename(rec);
6934 if (!fid_is_zero(&rnm->cr_sfid))
6935 printf(" s="DFID" sp="DFID" %.*s",
6936 PFID(&rnm->cr_sfid),
6937 PFID(&rnm->cr_spfid),
6938 (int)changelog_rec_snamelen(rec),
6939 changelog_rec_sname(rec));
6943 llapi_changelog_free(&rec);
6946 llapi_changelog_fini(&changelog_priv);
6949 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
6950 progname, strerror(errno = -rc));
6952 return (rc == 1 ? 0 : rc);
6955 static int lfs_changelog_clear(int argc, char **argv)
6963 endrec = strtoll(argv[3], NULL, 10);
6965 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
6968 fprintf(stderr, "%s: record out of range: %llu\n",
6970 else if (rc == -ENOENT)
6971 fprintf(stderr, "%s: no changelog user: %s\n",
6974 fprintf(stderr, "%s error: %s\n", argv[0],
6983 static int lfs_fid2path(int argc, char **argv)
6985 struct option long_opts[] = {
6986 { .val = 'c', .name = "cur", .has_arg = no_argument },
6987 { .val = 'l', .name = "link", .has_arg = required_argument },
6988 { .val = 'r', .name = "rec", .has_arg = required_argument },
6990 char short_opts[] = "cl:r:";
6991 char *device, *fid, *path;
6992 long long recno = -1;
6997 char *endptr = NULL;
6999 while ((rc = getopt_long(argc, argv, short_opts,
7000 long_opts, NULL)) != -1) {
7006 linkno = strtol(optarg, &endptr, 10);
7007 if (*endptr != '\0') {
7009 "%s fid2path: invalid linkno '%s'\n",
7015 recno = strtoll(optarg, &endptr, 10);
7016 if (*endptr != '\0') {
7018 "%s fid2path: invalid recno '%s'\n",
7025 "%s fid2path: unrecognized option '%s'\n",
7026 progname, argv[optind - 1]);
7033 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7038 device = argv[optind++];
7039 path = calloc(1, PATH_MAX);
7043 "%s fid2path: cannot allocate memory for path: %s\n",
7044 progname, strerror(-rc));
7049 while (optind < argc) {
7050 fid = argv[optind++];
7052 lnktmp = (linkno >= 0) ? linkno : 0;
7054 int oldtmp = lnktmp;
7055 long long rectmp = recno;
7057 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7061 "%s fid2path: cannot find '%s': %s\n",
7062 progname, fid, strerror(errno = -rc2));
7069 fprintf(stdout, "%lld ", rectmp);
7070 if (device[0] == '/') {
7071 fprintf(stdout, "%s", device);
7072 if (device[strlen(device) - 1] != '/')
7073 fprintf(stdout, "/");
7074 } else if (path[0] == '\0') {
7075 fprintf(stdout, "/");
7077 fprintf(stdout, "%s\n", path);
7080 /* specified linkno */
7082 if (oldtmp == lnktmp)
7092 static int lfs_path2fid(int argc, char **argv)
7094 struct option long_opts[] = {
7095 { .val = 'p', .name = "parents", .has_arg = no_argument },
7098 const char short_opts[] = "p";
7099 const char *sep = "";
7102 bool show_parents = false;
7104 while ((rc = getopt_long(argc, argv, short_opts,
7105 long_opts, NULL)) != -1) {
7108 show_parents = true;
7112 "%s path2fid: unrecognized option '%s'\n",
7113 progname, argv[optind - 1]);
7118 if (optind > argc - 1) {
7119 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7123 else if (optind < argc - 1)
7127 for (path = argv + optind; *path != NULL; path++) {
7129 if (!show_parents) {
7130 err = llapi_path2fid(*path, &fid);
7132 printf("%s%s"DFID"\n",
7133 *sep != '\0' ? *path : "", sep,
7136 char name[NAME_MAX + 1];
7137 unsigned int linkno = 0;
7139 while ((err = llapi_path2parent(*path, linkno, &fid,
7140 name, sizeof(name))) == 0) {
7141 if (*sep != '\0' && linkno == 0)
7142 printf("%s%s", *path, sep);
7144 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7149 /* err == -ENODATA is end-of-loop */
7150 if (linkno > 0 && err == -ENODATA) {
7158 "%s path2fid: cannot get %sfid for '%s': %s\n",
7159 progname, show_parents ? "parent " : "", *path,
7171 static int lfs_data_version(int argc, char **argv)
7178 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
7181 fprintf(stderr, "%s data_version: FILE must be specified\n",
7186 while ((c = getopt(argc, argv, "nrw")) != -1) {
7189 data_version_flags = 0;
7192 data_version_flags |= LL_DV_RD_FLUSH;
7195 data_version_flags |= LL_DV_WR_FLUSH;
7199 "%s data_version: unrecognized option '%s'\n",
7200 progname, argv[optind - 1]);
7204 if (optind == argc) {
7205 fprintf(stderr, "%s data_version: FILE must be specified\n",
7210 path = argv[optind];
7211 fd = open(path, O_RDONLY);
7214 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
7215 progname, path, strerror(-rc));
7219 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
7222 "%s data_version: cannot get version for '%s': %s\n",
7223 progname, path, strerror(-rc));
7225 printf("%ju" "\n", (uintmax_t)data_version);
7231 static int lfs_hsm_state(int argc, char **argv)
7236 struct hsm_user_state hus;
7244 rc = llapi_hsm_state_get(path, &hus);
7246 fprintf(stderr, "can't get hsm state for %s: %s\n",
7247 path, strerror(errno = -rc));
7251 /* Display path name and status flags */
7252 printf("%s: (0x%08x)", path, hus.hus_states);
7254 if (hus.hus_states & HS_RELEASED)
7255 printf(" released");
7256 if (hus.hus_states & HS_EXISTS)
7258 if (hus.hus_states & HS_DIRTY)
7260 if (hus.hus_states & HS_ARCHIVED)
7261 printf(" archived");
7262 /* Display user-settable flags */
7263 if (hus.hus_states & HS_NORELEASE)
7264 printf(" never_release");
7265 if (hus.hus_states & HS_NOARCHIVE)
7266 printf(" never_archive");
7267 if (hus.hus_states & HS_LOST)
7268 printf(" lost_from_hsm");
7270 if (hus.hus_archive_id != 0)
7271 printf(", archive_id:%d", hus.hus_archive_id);
7274 } while (++i < argc);
7279 #define LFS_HSM_SET 0
7280 #define LFS_HSM_CLEAR 1
7283 * Generic function to set or clear HSM flags.
7284 * Used by hsm_set and hsm_clear.
7286 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
7288 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
7290 struct option long_opts[] = {
7291 { .val = 'A', .name = "archived", .has_arg = no_argument },
7292 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
7293 { .val = 'd', .name = "dirty", .has_arg = no_argument },
7294 { .val = 'e', .name = "exists", .has_arg = no_argument },
7295 { .val = 'l', .name = "lost", .has_arg = no_argument },
7296 { .val = 'r', .name = "norelease", .has_arg = no_argument },
7297 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
7299 char short_opts[] = "lraAdei:";
7303 __u32 archive_id = 0;
7309 while ((c = getopt_long(argc, argv, short_opts,
7310 long_opts, NULL)) != -1) {
7316 mask |= HS_NOARCHIVE;
7319 mask |= HS_ARCHIVED;
7322 mask |= HS_NORELEASE;
7331 archive_id = strtol(optarg, &end, 10);
7333 fprintf(stderr, "invalid archive_id: '%s'\n",
7341 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
7342 argv[0], argv[optind - 1]);
7347 /* User should have specified a flag */
7351 while (optind < argc) {
7353 path = argv[optind];
7355 /* If mode == 0, this means we apply the mask. */
7356 if (mode == LFS_HSM_SET)
7357 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
7359 rc = llapi_hsm_state_set(path, 0, mask, 0);
7362 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
7363 path, strerror(errno = -rc));
7372 static int lfs_hsm_action(int argc, char **argv)
7377 struct hsm_current_action hca;
7378 struct hsm_extent he;
7379 enum hsm_user_action hua;
7380 enum hsm_progress_states hps;
7388 rc = llapi_hsm_current_action(path, &hca);
7390 fprintf(stderr, "can't get hsm action for %s: %s\n",
7391 path, strerror(errno = -rc));
7394 he = hca.hca_location;
7395 hua = hca.hca_action;
7396 hps = hca.hca_state;
7398 printf("%s: %s", path, hsm_user_action2name(hua));
7400 /* Skip file without action */
7401 if (hca.hca_action == HUA_NONE) {
7406 printf(" %s ", hsm_progress_state2name(hps));
7408 if ((hps == HPS_RUNNING) &&
7409 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
7410 printf("(%llu bytes moved)\n",
7411 (unsigned long long)he.length);
7412 else if ((he.offset + he.length) == LUSTRE_EOF)
7413 printf("(from %llu to EOF)\n",
7414 (unsigned long long)he.offset);
7416 printf("(from %llu to %llu)\n",
7417 (unsigned long long)he.offset,
7418 (unsigned long long)(he.offset + he.length));
7420 } while (++i < argc);
7425 static int lfs_hsm_set(int argc, char **argv)
7427 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
7430 static int lfs_hsm_clear(int argc, char **argv)
7432 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
7436 * Check file state and return its fid, to be used by lfs_hsm_request().
7438 * \param[in] file Path to file to check
7439 * \param[in,out] fid Pointer to allocated lu_fid struct.
7440 * \param[in,out] last_dev Pointer to last device id used.
7442 * \return 0 on success.
7444 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
7450 rc = lstat(file, &st);
7452 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
7455 /* Checking for regular file as archiving as posix copytool
7456 * rejects archiving files other than regular files
7458 if (!S_ISREG(st.st_mode)) {
7459 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
7462 /* A request should be ... */
7463 if (*last_dev != st.st_dev && *last_dev != 0) {
7464 fprintf(stderr, "All files should be "
7465 "on the same filesystem: %s\n", file);
7468 *last_dev = st.st_dev;
7470 rc = llapi_path2fid(file, fid);
7472 fprintf(stderr, "Cannot read FID of %s: %s\n",
7473 file, strerror(-rc));
7479 /* Fill an HSM HUR item with a given file name.
7481 * If mntpath is set, then the filename is actually a FID, and no
7482 * lookup on the filesystem will be performed.
7484 * \param[in] hur the user request to fill
7485 * \param[in] idx index of the item inside the HUR to fill
7486 * \param[in] mntpath mountpoint of Lustre
7487 * \param[in] fname filename (if mtnpath is NULL)
7488 * or FID (if mntpath is set)
7489 * \param[in] last_dev pointer to last device id used
7491 * \retval 0 on success
7492 * \retval CMD_HELP or a negative errno on error
7494 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
7495 const char *mntpath, const char *fname,
7498 struct hsm_user_item *hui = &hur->hur_user_item[idx];
7501 hui->hui_extent.length = -1;
7503 if (mntpath != NULL) {
7506 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
7510 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
7515 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
7519 hur->hur_request.hr_itemcount++;
7524 static int lfs_hsm_request(int argc, char **argv, int action)
7526 struct option long_opts[] = {
7527 { .val = 'a', .name = "archive", .has_arg = required_argument },
7528 { .val = 'D', .name = "data", .has_arg = required_argument },
7529 { .val = 'l', .name = "filelist", .has_arg = required_argument },
7530 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
7533 char short_opts[] = "l:D:a:m:";
7534 struct hsm_user_request *hur, *oldhur;
7539 char *filelist = NULL;
7540 char fullpath[PATH_MAX];
7541 char *opaque = NULL;
7545 int nbfile_alloc = 0;
7546 char *some_file = NULL;
7547 char *mntpath = NULL;
7553 while ((c = getopt_long(argc, argv, short_opts,
7554 long_opts, NULL)) != -1) {
7563 if (action != HUA_ARCHIVE &&
7564 action != HUA_REMOVE) {
7566 "error: -a is supported only "
7567 "when archiving or removing\n");
7570 archive_id = atoi(optarg);
7573 if (some_file == NULL) {
7575 some_file = strdup(optarg);
7581 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
7582 argv[0], argv[optind - 1]);
7587 /* All remaining args are files, so we have at least nbfile */
7588 nbfile = argc - optind;
7590 if ((nbfile == 0) && (filelist == NULL))
7594 opaque_len = strlen(opaque);
7596 /* Alloc the request structure with enough place to store all files
7597 * from command line. */
7598 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
7600 fprintf(stderr, "Cannot create the request: %s\n",
7604 nbfile_alloc = nbfile;
7606 hur->hur_request.hr_action = action;
7607 hur->hur_request.hr_archive_id = archive_id;
7608 hur->hur_request.hr_flags = 0;
7610 /* All remaining args are files, add them */
7611 if (nbfile != 0 && some_file == NULL)
7612 some_file = strdup(argv[optind]);
7614 for (i = 0; i < nbfile; i++) {
7615 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
7621 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
7623 /* If a filelist was specified, read the filelist from it. */
7624 if (filelist != NULL) {
7625 fp = fopen(filelist, "r");
7627 fprintf(stderr, "Cannot read the file list %s: %s\n",
7628 filelist, strerror(errno));
7633 while ((rc = getline(&line, &len, fp)) != -1) {
7634 /* If allocated buffer was too small, get something
7636 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
7639 nbfile_alloc = nbfile_alloc * 2 + 1;
7641 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
7644 fprintf(stderr, "hsm: cannot allocate "
7645 "the request: %s\n",
7652 size = hur_len(oldhur);
7654 fprintf(stderr, "hsm: cannot allocate "
7655 "%u files + %u bytes data\n",
7656 oldhur->hur_request.hr_itemcount,
7657 oldhur->hur_request.hr_data_len);
7664 memcpy(hur, oldhur, size);
7669 if (line[strlen(line) - 1] == '\n')
7670 line[strlen(line) - 1] = '\0';
7672 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
7673 mntpath, line, &last_dev);
7679 if (some_file == NULL) {
7689 /* If a --data was used, add it to the request */
7690 hur->hur_request.hr_data_len = opaque_len;
7692 memcpy(hur_data(hur), opaque, opaque_len);
7694 /* Send the HSM request */
7695 if (realpath(some_file, fullpath) == NULL) {
7696 fprintf(stderr, "Could not find path '%s': %s\n",
7697 some_file, strerror(errno));
7699 rc = llapi_hsm_request(fullpath, hur);
7701 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
7702 some_file, strerror(-rc));
7712 static int lfs_hsm_archive(int argc, char **argv)
7714 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
7717 static int lfs_hsm_restore(int argc, char **argv)
7719 return lfs_hsm_request(argc, argv, HUA_RESTORE);
7722 static int lfs_hsm_release(int argc, char **argv)
7724 return lfs_hsm_request(argc, argv, HUA_RELEASE);
7727 static int lfs_hsm_remove(int argc, char **argv)
7729 return lfs_hsm_request(argc, argv, HUA_REMOVE);
7732 static int lfs_hsm_cancel(int argc, char **argv)
7734 return lfs_hsm_request(argc, argv, HUA_CANCEL);
7737 static int lfs_swap_layouts(int argc, char **argv)
7742 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
7743 SWAP_LAYOUTS_KEEP_MTIME |
7744 SWAP_LAYOUTS_KEEP_ATIME);
7747 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
7749 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
7751 int lfs_get_mode(const char *string)
7753 enum lock_mode_user mode;
7755 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
7756 if (lock_mode_names[mode] == NULL)
7758 if (strcmp(string, lock_mode_names[mode]) == 0)
7765 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
7767 enum lu_ladvise_type advice;
7770 advice < ARRAY_SIZE(ladvise_names); advice++) {
7771 if (ladvise_names[advice] == NULL)
7773 if (strcmp(string, ladvise_names[advice]) == 0)
7777 return LU_LADVISE_INVALID;
7780 static int lfs_ladvise(int argc, char **argv)
7782 struct option long_opts[] = {
7783 { .val = 'a', .name = "advice", .has_arg = required_argument },
7784 { .val = 'b', .name = "background", .has_arg = no_argument },
7785 { .val = 'e', .name = "end", .has_arg = required_argument },
7786 { .val = 'l', .name = "length", .has_arg = required_argument },
7787 { .val = 'm', .name = "mode", .has_arg = required_argument },
7788 { .val = 's', .name = "start", .has_arg = required_argument },
7789 { .val = 'u', .name = "unset", .has_arg = no_argument },
7791 char short_opts[] = "a:be:l:m:s:u";
7796 struct llapi_lu_ladvise advice;
7797 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
7798 unsigned long long start = 0;
7799 unsigned long long end = LUSTRE_EOF;
7800 unsigned long long length = 0;
7801 unsigned long long size_units;
7802 unsigned long long flags = 0;
7806 while ((c = getopt_long(argc, argv, short_opts,
7807 long_opts, NULL)) != -1) {
7810 advice_type = lfs_get_ladvice(optarg);
7811 if (advice_type == LU_LADVISE_INVALID) {
7812 fprintf(stderr, "%s: invalid advice type "
7813 "'%s'\n", argv[0], optarg);
7814 fprintf(stderr, "Valid types:");
7816 for (advice_type = 0;
7817 advice_type < ARRAY_SIZE(ladvise_names);
7819 if (ladvise_names[advice_type] == NULL)
7821 fprintf(stderr, " %s",
7822 ladvise_names[advice_type]);
7824 fprintf(stderr, "\n");
7837 rc = llapi_parse_size(optarg, &end,
7840 fprintf(stderr, "%s: bad end offset '%s'\n",
7847 rc = llapi_parse_size(optarg, &start,
7850 fprintf(stderr, "%s: bad start offset "
7851 "'%s'\n", argv[0], optarg);
7857 rc = llapi_parse_size(optarg, &length,
7860 fprintf(stderr, "%s: bad length '%s'\n",
7866 mode = lfs_get_mode(optarg);
7868 fprintf(stderr, "%s: bad mode '%s', valid "
7869 "modes are READ or WRITE\n",
7877 fprintf(stderr, "%s: option '%s' unrecognized\n",
7878 argv[0], argv[optind - 1]);
7883 if (advice_type == LU_LADVISE_INVALID) {
7884 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
7885 fprintf(stderr, "Valid types:");
7886 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
7888 if (ladvise_names[advice_type] == NULL)
7890 fprintf(stderr, " %s", ladvise_names[advice_type]);
7892 fprintf(stderr, "\n");
7896 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
7897 fprintf(stderr, "%s: Lock no expand advice is a per file "
7898 "descriptor advice, so when called from lfs, "
7899 "it does nothing.\n", argv[0]);
7903 if (argc <= optind) {
7904 fprintf(stderr, "%s: please give one or more file names\n",
7909 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
7910 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
7915 if (end == LUSTRE_EOF && length != 0)
7916 end = start + length;
7919 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
7920 argv[0], start, end);
7924 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
7925 fprintf(stderr, "%s: mode is only valid with lockahead\n",
7930 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
7931 fprintf(stderr, "%s: mode is required with lockahead\n",
7936 while (optind < argc) {
7939 path = argv[optind++];
7941 fd = open(path, O_RDONLY);
7943 fprintf(stderr, "%s: cannot open file '%s': %s\n",
7944 argv[0], path, strerror(errno));
7949 advice.lla_start = start;
7950 advice.lla_end = end;
7951 advice.lla_advice = advice_type;
7952 advice.lla_value1 = 0;
7953 advice.lla_value2 = 0;
7954 advice.lla_value3 = 0;
7955 advice.lla_value4 = 0;
7956 if (advice_type == LU_LADVISE_LOCKAHEAD) {
7957 advice.lla_lockahead_mode = mode;
7958 advice.lla_peradvice_flags = flags;
7961 rc2 = llapi_ladvise(fd, flags, 1, &advice);
7964 fprintf(stderr, "%s: cannot give advice '%s' to file "
7965 "'%s': %s\n", argv[0],
7966 ladvise_names[advice_type],
7967 path, strerror(errno));
7973 if (rc == 0 && rc2 < 0)
7980 static const char *const heat_names[] = LU_HEAT_NAMES;
7982 static int lfs_heat_get(int argc, char **argv)
7984 struct lu_heat *heat;
7993 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
7995 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8000 while (optind < argc) {
8001 path = argv[optind++];
8003 fd = open(path, O_RDONLY);
8005 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8006 argv[0], path, strerror(errno));
8011 heat->lh_count = OBD_HEAT_COUNT;
8012 rc2 = llapi_heat_get(fd, heat);
8015 fprintf(stderr, "%s: cannot get heat of file '%s'"
8016 ": %s\n", argv[0], path, strerror(errno));
8020 printf("flags: %x\n", heat->lh_flags);
8021 for (i = 0; i < heat->lh_count; i++)
8022 printf("%s: %llu\n", heat_names[i], heat->lh_heat[i]);
8024 if (rc == 0 && rc2 < 0)
8032 static int lfs_heat_set(int argc, char **argv)
8034 struct option long_opts[] = {
8035 {"clear", no_argument, 0, 'c'},
8036 {"off", no_argument, 0, 'o'},
8037 {"on", no_argument, 0, 'O'},
8040 char short_opts[] = "coO";
8051 while ((c = getopt_long(argc, argv, short_opts,
8052 long_opts, NULL)) != -1) {
8055 flags |= LU_HEAT_FLAG_CLEAR;
8058 flags |= LU_HEAT_FLAG_CLEAR;
8059 flags |= LU_HEAT_FLAG_OFF;
8062 flags &= ~LU_HEAT_FLAG_OFF;
8067 fprintf(stderr, "%s: option '%s' unrecognized\n",
8068 argv[0], argv[optind - 1]);
8073 if (argc <= optind) {
8074 fprintf(stderr, "%s: please give one or more file names\n",
8079 while (optind < argc) {
8080 path = argv[optind++];
8082 fd = open(path, O_RDONLY);
8084 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8085 argv[0], path, strerror(errno));
8090 rc2 = llapi_heat_set(fd, flags);
8093 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8094 ": %s\n", argv[0], path, strerror(errno));
8098 if (rc == 0 && rc2 < 0)
8104 /** The input string contains a comma delimited list of component ids and
8105 * ranges, for example "1,2-4,7".
8107 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8109 bool end_of_loop = false;
8117 while (!end_of_loop) {
8121 char *endptr = NULL;
8124 ptr = strchrnul(arg, ',');
8125 end_of_loop = *ptr == '\0';
8128 start_index = strtol(arg, &endptr, 0);
8129 if (endptr == arg) /* no data at all */
8131 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
8133 if (start_index < 0)
8136 end_index = start_index;
8137 if (*endptr == '-') {
8138 end_index = strtol(endptr + 1, &endptr, 0);
8139 if (*endptr != '\0')
8141 if (end_index < start_index)
8145 for (i = start_index; i <= end_index && size > 0; i++) {
8148 /* remove duplicate */
8149 for (j = 0; j < nr; j++) {
8153 if (j == nr) { /* no duplicate */
8159 if (size == 0 && i < end_index)
8166 if (!end_of_loop && ptr != NULL)
8169 return rc < 0 ? rc : nr;
8173 * struct verify_mirror_id - Mirror id to be verified.
8174 * @mirror_id: A specified mirror id.
8175 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
8177 struct verify_mirror_id {
8183 * compare_mirror_ids() - Compare mirror ids.
8184 * @layout: Mirror component list.
8185 * @cbdata: Callback data in verify_mirror_id structure.
8187 * This is a callback function called by llapi_layout_comp_iterate()
8188 * to compare the specified mirror id with the one in the current
8189 * component of @layout. If they are the same, then the specified
8190 * mirror id is valid.
8192 * Return: a negative error code on failure or
8193 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
8194 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
8197 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
8199 struct verify_mirror_id *mirror_id_cbdata =
8200 (struct verify_mirror_id *)cbdata;
8204 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
8208 "%s: llapi_layout_mirror_id_get failed: %s.\n",
8209 progname, strerror(errno));
8213 if (mirror_id_cbdata->mirror_id == mirror_id) {
8214 mirror_id_cbdata->is_valid_id = true;
8215 return LLAPI_LAYOUT_ITER_STOP;
8218 return LLAPI_LAYOUT_ITER_CONT;
8222 * verify_mirror_ids() - Verify specified mirror ids.
8223 * @fname: Mirrored file name.
8224 * @mirror_ids: Specified mirror ids to be verified.
8225 * @ids_nr: Number of specified mirror ids.
8227 * This function verifies that specified @mirror_ids are valid
8228 * in the mirrored file @fname.
8230 * Return: 0 on success or a negative error code on failure.
8233 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
8235 struct llapi_layout *layout = NULL;
8236 struct verify_mirror_id mirror_id_cbdata = { 0 };
8247 if (stat(fname, &stbuf) < 0) {
8248 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8249 progname, fname, strerror(errno));
8254 if (!S_ISREG(stbuf.st_mode)) {
8255 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8261 fd = open(fname, O_DIRECT | O_RDONLY);
8263 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8264 progname, fname, strerror(errno));
8269 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
8271 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
8272 progname, fname, strerror(errno));
8276 layout = llapi_layout_get_by_fd(fd, 0);
8277 if (layout == NULL) {
8278 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8279 progname, fname, strerror(errno));
8281 llapi_lease_release(fd);
8285 rc = llapi_layout_flags_get(layout, &flr_state);
8287 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8288 progname, fname, strerror(errno));
8293 flr_state &= LCM_FL_FLR_MASK;
8294 switch (flr_state) {
8297 fprintf(stderr, "%s: '%s' file state error: %s.\n",
8298 progname, fname, llapi_layout_flags_string(flr_state));
8305 for (i = 0; i < ids_nr; i++) {
8306 mirror_id_cbdata.mirror_id = mirror_ids[i];
8307 mirror_id_cbdata.is_valid_id = false;
8309 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
8314 "%s: '%s' failed to verify mirror id: %u.\n",
8315 progname, fname, mirror_ids[i]);
8319 if (!mirror_id_cbdata.is_valid_id) {
8322 "%s: '%s' invalid specified mirror id: %u.\n",
8323 progname, fname, mirror_ids[i]);
8329 llapi_layout_free(layout);
8330 llapi_lease_release(fd);
8338 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
8339 __u16 *mirror_ids, int ids_nr)
8341 struct llapi_resync_comp comp_array[1024] = { { 0 } };
8342 struct llapi_layout *layout;
8352 if (stat(fname, &stbuf) < 0) {
8353 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8354 progname, fname, strerror(errno));
8358 if (!S_ISREG(stbuf.st_mode)) {
8359 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8365 fd = open(fname, O_DIRECT | O_RDWR);
8367 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8368 progname, fname, strerror(errno));
8373 layout = llapi_layout_get_by_fd(fd, 0);
8374 if (layout == NULL) {
8375 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8376 progname, fname, strerror(errno));
8381 rc = llapi_layout_flags_get(layout, &flr_state);
8383 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8384 progname, fname, strerror(errno));
8389 flr_state &= LCM_FL_FLR_MASK;
8390 if (flr_state == LCM_FL_NONE) {
8392 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
8397 /* get stale component info */
8398 comp_size = llapi_mirror_find_stale(layout, comp_array,
8399 ARRAY_SIZE(comp_array),
8400 mirror_ids, ids_nr);
8401 if (comp_size <= 0) {
8406 ioc->lil_mode = LL_LEASE_WRLCK;
8407 ioc->lil_flags = LL_LEASE_RESYNC;
8408 rc = llapi_lease_set(fd, ioc);
8410 if (rc == -EALREADY)
8414 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
8415 progname, fname, strerror(errno));
8419 /* get the read range [start, end) */
8420 start = comp_array[0].lrc_start;
8421 end = comp_array[0].lrc_end;
8422 for (idx = 1; idx < comp_size; idx++) {
8423 if (comp_array[idx].lrc_start < start)
8424 start = comp_array[idx].lrc_start;
8425 if (end < comp_array[idx].lrc_end)
8426 end = comp_array[idx].lrc_end;
8429 rc = llapi_lease_check(fd);
8430 if (rc != LL_LEASE_WRLCK) {
8431 fprintf(stderr, "%s: '%s' lost lease lock.\n",
8436 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
8439 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %d.\n",
8440 progname, fname, rc);
8442 /* prepare ioc for lease put */
8443 ioc->lil_mode = LL_LEASE_UNLCK;
8444 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
8446 for (idx = 0; idx < comp_size; idx++) {
8447 if (comp_array[idx].lrc_synced) {
8448 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
8453 rc = llapi_lease_set(fd, ioc);
8455 if (rc == 0) /* lost lease lock */
8457 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
8458 progname, fname, strerror(errno));
8462 * llapi_lease_set returns lease mode when it request to unlock
8468 llapi_layout_free(layout);
8475 static inline int lfs_mirror_resync(int argc, char **argv)
8477 struct ll_ioc_lease *ioc = NULL;
8478 __u16 mirror_ids[128] = { 0 };
8483 struct option long_opts[] = {
8484 { .val = 'o', .name = "only", .has_arg = required_argument },
8487 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
8490 rc = parse_mirror_ids(mirror_ids,
8491 sizeof(mirror_ids) / sizeof(__u16),
8495 "%s: bad mirror ids '%s'.\n",
8502 fprintf(stderr, "%s: options '%s' unrecognized.\n",
8503 argv[0], argv[optind - 1]);
8509 if (argc == optind) {
8510 fprintf(stderr, "%s: no file name given.\n", argv[0]);
8515 if (ids_nr > 0 && argc > optind + 1) {
8517 "%s: option '--only' cannot be used upon multiple files.\n",
8525 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
8530 /* set the lease on the file */
8531 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
8533 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
8534 argv[0], strerror(errno));
8539 for (; optind < argc; optind++) {
8540 rc = lfs_mirror_resync_file(argv[optind], ioc,
8541 mirror_ids, ids_nr);
8542 /* ignore previous file's error, continue with next file */
8545 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
8553 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
8555 struct llapi_layout *layout;
8558 layout = llapi_layout_get_by_fd(fd, 0);
8559 if (layout == NULL) {
8560 fprintf(stderr, "could not get layout.\n");
8564 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
8566 fprintf(stderr, "failed to iterate layout\n");
8567 llapi_layout_free(layout);
8570 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
8571 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
8572 llapi_layout_free(layout);
8576 llapi_layout_free(layout);
8582 * Check whether two files are the same file
8583 * \retval 0 same file
8584 * \retval 1 not the same file
8585 * \retval <0 error code
8587 static inline int check_same_file(const char *f1, const char *f2)
8592 if (stat(f1, &stbuf1) < 0) {
8593 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
8594 progname, f1, strerror(errno));
8598 if (stat(f2, &stbuf2) < 0) {
8599 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
8600 progname, f2, strerror(errno));
8604 if (stbuf1.st_rdev == stbuf2.st_rdev &&
8605 stbuf1.st_ino == stbuf2.st_ino)
8611 static inline int lfs_mirror_read(int argc, char **argv)
8614 __u16 mirror_id = 0;
8615 const char *outfile = NULL;
8621 const size_t buflen = 4 << 20;
8623 struct option long_opts[] = {
8624 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
8625 { .val = 'o', .name = "outfile", .has_arg = required_argument },
8628 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
8633 mirror_id = strtoul(optarg, &end, 0);
8634 if (*end != '\0' || mirror_id == 0) {
8636 "%s %s: invalid mirror ID '%s'\n",
8637 progname, argv[0], optarg);
8645 fprintf(stderr, "%s: option '%s' unrecognized.\n",
8646 progname, argv[optind - 1]);
8651 if (argc == optind) {
8652 fprintf(stderr, "%s %s: no mirrored file provided\n",
8655 } else if (argc > optind + 1) {
8656 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
8660 if (mirror_id == 0) {
8661 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
8666 /* open mirror file */
8667 fname = argv[optind];
8670 rc = check_same_file(fname, outfile);
8673 "%s %s: output file cannot be the mirrored file\n",
8681 fd = open(fname, O_DIRECT | O_RDONLY);
8683 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
8684 progname, argv[0], fname, strerror(errno));
8688 /* verify mirror id */
8689 rc = verify_mirror_id_by_fd(fd, mirror_id);
8692 "%s %s: cannot find mirror with ID %u in '%s'\n",
8693 progname, argv[0], mirror_id, fname);
8697 /* open output file */
8699 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
8701 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
8702 progname, argv[0], outfile, strerror(errno));
8707 outfd = STDOUT_FILENO;
8710 /* allocate buffer */
8711 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
8713 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
8714 progname, argv[0], rc);
8721 ssize_t written = 0;
8723 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
8724 if (bytes_read < 0) {
8727 "%s %s: fail to read data from mirror %u: %s\n",
8728 progname, argv[0], mirror_id, strerror(-rc));
8733 if (bytes_read == 0)
8736 while (written < bytes_read) {
8739 written2 = write(outfd, buf + written,
8740 bytes_read - written);
8743 "%s %s: fail to write %s: %s\n",
8744 progname, argv[0], outfile ? : "STDOUT",
8749 written += written2;
8752 if (written != bytes_read) {
8754 "%s %s: written %ld bytes does not match with %ld read.\n",
8755 progname, argv[0], written, bytes_read);
8777 static inline int lfs_mirror_write(int argc, char **argv)
8780 __u16 mirror_id = 0;
8781 const char *inputfile = NULL;
8787 const size_t buflen = 4 << 20;
8789 size_t page_size = sysconf(_SC_PAGESIZE);
8790 struct ll_ioc_lease_id ioc;
8792 struct option long_opts[] = {
8793 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
8794 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
8797 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
8802 mirror_id = strtoul(optarg, &end, 0);
8803 if (*end != '\0' || mirror_id == 0) {
8805 "%s %s: invalid mirror ID '%s'\n",
8806 progname, argv[0], optarg);
8814 fprintf(stderr, "%s: option '%s' unrecognized\n",
8815 progname, argv[optind - 1]);
8820 if (argc == optind) {
8821 fprintf(stderr, "%s %s: no mirrored file provided\n",
8824 } else if (argc > optind + 1) {
8825 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
8829 if (mirror_id == 0) {
8830 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
8835 /* open mirror file */
8836 fname = argv[optind];
8839 rc = check_same_file(fname, inputfile);
8842 "%s %s: input file cannot be the mirrored file\n",
8850 fd = open(fname, O_DIRECT | O_WRONLY);
8852 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
8853 progname, argv[0], fname, strerror(errno));
8857 /* verify mirror id */
8858 rc = verify_mirror_id_by_fd(fd, mirror_id);
8861 "%s %s: cannot find mirror with ID %u in '%s'\n",
8862 progname, argv[0], mirror_id, fname);
8866 /* open input file */
8868 inputfd = open(inputfile, O_RDONLY, 0644);
8870 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
8871 progname, argv[0], inputfile, strerror(errno));
8876 inputfd = STDIN_FILENO;
8879 /* allocate buffer */
8880 rc = posix_memalign(&buf, page_size, buflen);
8882 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
8883 progname, argv[0], rc);
8887 /* prepare target mirror components instantiation */
8888 ioc.lil_mode = LL_LEASE_WRLCK;
8889 ioc.lil_flags = LL_LEASE_RESYNC;
8890 ioc.lil_mirror_id = mirror_id;
8891 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
8894 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
8895 progname, argv[0], fname, strerror(errno));
8905 rc = llapi_lease_check(fd);
8906 if (rc != LL_LEASE_WRLCK) {
8907 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
8908 progname, argv[0], fname);
8912 bytes_read = read(inputfd, buf, buflen);
8913 if (bytes_read < 0) {
8916 "%s %s: fail to read data from '%s': %s\n",
8917 progname, argv[0], inputfile ? : "STDIN",
8924 if (bytes_read == 0)
8927 /* round up to page align to make direct IO happy. */
8928 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
8930 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
8935 "%s %s: fail to write to mirror %u: %s\n",
8936 progname, argv[0], mirror_id,
8944 if (pos & (page_size - 1)) {
8945 rc = llapi_mirror_truncate(fd, mirror_id, pos);
8950 ioc.lil_mode = LL_LEASE_UNLCK;
8951 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
8953 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
8958 "%s %s: release lease lock of '%s' failed: %s\n",
8959 progname, argv[0], fname, strerror(errno));
8976 struct collect_ids_data {
8982 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
8984 struct collect_ids_data *cid = cbdata;
8988 rc = llapi_layout_mirror_id_get(layout, &id);
8992 if ((__u16)id != cid->cid_exclude) {
8995 for (i = 0; i < cid->cid_count; i++) {
8996 /* already collected the mirror id */
8997 if (id == cid->cid_ids[i])
8998 return LLAPI_LAYOUT_ITER_CONT;
9000 cid->cid_ids[cid->cid_count] = id;
9004 return LLAPI_LAYOUT_ITER_CONT;
9007 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9009 struct llapi_layout *layout;
9010 struct collect_ids_data cid = { .cid_ids = ids,
9012 .cid_exclude = exclude_id, };
9015 layout = llapi_layout_get_by_fd(fd, 0);
9016 if (layout == NULL) {
9017 fprintf(stderr, "could not get layout\n");
9021 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9023 fprintf(stderr, "failed to iterate layout\n");
9024 llapi_layout_free(layout);
9028 llapi_layout_free(layout);
9030 return cid.cid_count;
9033 static inline int lfs_mirror_copy(int argc, char **argv)
9036 __u16 read_mirror_id = 0;
9037 __u16 ids[128] = { 0 };
9039 struct llapi_layout *layout = NULL;
9040 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9047 struct ll_ioc_lease *ioc = NULL;
9048 struct ll_ioc_lease_id *resync_ioc;
9050 struct option long_opts[] = {
9051 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9052 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9055 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9060 read_mirror_id = strtoul(optarg, &end, 0);
9061 if (*end != '\0' || read_mirror_id == 0) {
9063 "%s %s: invalid read mirror ID '%s'\n",
9064 progname, argv[0], optarg);
9069 if (!strcmp(optarg, "-1")) {
9070 /* specify all other mirrors */
9074 count = parse_mirror_ids((__u16 *)ids,
9082 fprintf(stderr, "%s: option '%s' unrecognized\n",
9083 progname, argv[optind - 1]);
9088 if (argc == optind) {
9089 fprintf(stderr, "%s %s: no mirrored file provided\n",
9092 } else if (argc > optind + 1) {
9093 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9097 if (read_mirror_id == 0) {
9099 "%s %s: no valid read mirror ID %d is provided\n",
9100 progname, argv[0], read_mirror_id);
9106 "%s %s: no write mirror ID is provided\n",
9111 for (i = 0; i < count; i++) {
9112 if (read_mirror_id == ids[i]) {
9114 "%s %s: read and write mirror ID cannot be the same\n",
9120 /* open mirror file */
9121 fname = argv[optind];
9123 fd = open(fname, O_DIRECT | O_RDWR);
9125 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9126 progname, argv[0], fname, strerror(errno));
9130 /* write to all other mirrors */
9131 if (ids[0] == (__u16)-1) {
9132 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9136 "%s %s: failed to get other mirror ids in '%s': %d\n",
9137 progname, argv[0], fname, rc);
9142 /* verify mirror id */
9143 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9146 "%s %s: cannot find mirror with ID %u in '%s'\n",
9147 progname, argv[0], read_mirror_id, fname);
9151 for (i = 0; i < count; i++) {
9152 rc = verify_mirror_id_by_fd(fd, ids[i]);
9155 "%s %s: cannot find mirror with ID %u in '%s'\n",
9156 progname, argv[0], ids[i], fname);
9161 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9164 "%s %s: cannot alloc comp id array for ioc: %s\n",
9165 progname, argv[0], strerror(errno));
9170 /* get stale component info */
9171 layout = llapi_layout_get_by_fd(fd, 0);
9172 if (layout == NULL) {
9173 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
9174 progname, argv[0], fname, strerror(errno));
9178 comp_size = llapi_mirror_find_stale(layout, comp_array,
9179 ARRAY_SIZE(comp_array),
9181 llapi_layout_free(layout);
9182 if (comp_size < 0) {
9187 /* prepare target mirror components instantiation */
9188 resync_ioc = (struct ll_ioc_lease_id *)ioc;
9189 resync_ioc->lil_mode = LL_LEASE_WRLCK;
9190 resync_ioc->lil_flags = LL_LEASE_RESYNC;
9192 resync_ioc->lil_mirror_id = ids[0];
9194 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
9195 rc = llapi_lease_set(fd, ioc);
9198 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9199 progname, argv[0], fname, strerror(errno));
9203 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
9206 fprintf(stderr, "%s %s: copy error: %d\n",
9207 progname, argv[0], rc);
9211 fprintf(stdout, "mirror copied successfully: ");
9212 for (i = 0; i < copied; i++)
9213 fprintf(stdout, "%d ", ids[i]);
9214 fprintf(stdout, "\n");
9216 ioc->lil_mode = LL_LEASE_UNLCK;
9217 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9219 for (i = 0; i < comp_size; i++) {
9222 for (j = 0; j < copied; j++) {
9223 if (comp_array[i].lrc_mirror_id != ids[j])
9226 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
9230 rc = llapi_lease_set(fd, ioc);
9235 "%s %s: release lease lock of '%s' failed: %s\n",
9236 progname, argv[0], fname, strerror(errno));
9250 * struct verify_chunk - Mirror chunk to be verified.
9251 * @chunk: [start, end) of the chunk.
9252 * @mirror_count: Number of mirror ids in @mirror_id array.
9253 * @mirror_id: Array of valid mirror ids that cover the chunk.
9255 struct verify_chunk {
9256 struct lu_extent chunk;
9257 unsigned int mirror_count;
9258 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
9262 * print_chunks() - Print chunk information.
9263 * @fname: Mirrored file name.
9264 * @chunks: Array of chunks.
9265 * @chunk_count: Number of chunks in @chunks array.
9267 * This function prints [start, end) of each chunk in @chunks
9268 * for mirrored file @fname, and also prints the valid mirror ids
9269 * that cover the chunk.
9274 void print_chunks(const char *fname, struct verify_chunk *chunks,
9280 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
9281 for (i = 0; i < chunk_count; i++) {
9282 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
9284 if (chunks[i].mirror_count == 0)
9285 fprintf(stdout, "\t[");
9287 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
9288 for (j = 1; j < chunks[i].mirror_count; j++)
9289 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
9291 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
9293 fprintf(stdout, "\n");
9297 * print_checksums() - Print CRC-32 checksum values.
9298 * @chunk: A chunk and its corresponding valid mirror ids.
9299 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
9301 * This function prints CRC-32 checksum values on @chunk for
9302 * each valid mirror that covers it.
9307 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
9312 "CRC-32 checksum value for chunk "DEXT":\n",
9313 PEXT(&chunk->chunk));
9314 for (i = 0; i < chunk->mirror_count; i++)
9315 fprintf(stdout, "Mirror %u:\t%#lx\n",
9316 chunk->mirror_id[i], crc[i]);
9317 fprintf(stdout, "\n");
9321 * filter_mirror_id() - Filter specified mirror ids.
9322 * @chunks: Array of chunks.
9323 * @chunk_count: Number of chunks in @chunks array.
9324 * @mirror_ids: Specified mirror ids to be verified.
9325 * @ids_nr: Number of specified mirror ids.
9327 * This function scans valid mirror ids that cover each chunk in @chunks
9328 * and filters specified mirror ids.
9333 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
9334 __u16 *mirror_ids, int ids_nr)
9339 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9340 unsigned int valid_count = 0;
9342 for (i = 0; i < chunk_count; i++) {
9343 if (chunks[i].mirror_count == 0)
9347 for (j = 0; j < ids_nr; j++) {
9348 for (k = 0; k < chunks[i].mirror_count; k++) {
9349 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
9350 valid_id[valid_count] = mirror_ids[j];
9357 memcpy(chunks[i].mirror_id, valid_id,
9358 sizeof(__u16) * valid_count);
9359 chunks[i].mirror_count = valid_count;
9364 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
9365 * @layout: Mirror component list.
9366 * @chunks: Array of chunks.
9367 * @chunks_size: Array size of @chunks.
9369 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
9370 * to find out chunk segments and store them in @chunks array.
9372 * The @mirror_id array in each element of @chunks will store the valid
9373 * mirror ids that cover the chunk. If a mirror component covering the
9374 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
9375 * will not be stored into the @mirror_id array, and the chunk for that
9376 * mirror will not be verified.
9378 * The @mirror_count in each element of @chunks will store the number of
9379 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
9380 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
9381 * indicates the chunk is valid in only one mirror. In both cases, the
9382 * chunk will not be verified.
9384 * Here is an example:
9387 * +------+-------------+--------------------+
9389 * +------+------+------+------+-------------+
9390 * | | S | S | | mirror2
9391 * +-------------+------+------+-------------+
9393 * prepared @chunks array will contain 5 elements:
9394 * (([0, 1M), [1, 2], 2),
9395 * ([1M, 2M), [1, 2], 2),
9396 * ([2M, 3M), [1], 1),
9397 * ([3M, 4M], [], 0),
9398 * ([4M, EOF), [2], 1))
9400 * Return: the actual array size of @chunks on success
9401 * or a negative error code on failure.
9404 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
9405 struct verify_chunk *chunks,
9416 memset(chunks, 0, sizeof(*chunks) * chunks_size);
9419 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
9422 "%s: move to the first layout component: %s.\n",
9423 progname, strerror(errno));
9429 chunks[idx].chunk.e_end = LUSTRE_EOF;
9431 rc = llapi_layout_comp_extent_get(layout, &start, &end);
9434 "%s: llapi_layout_comp_extent_get failed: %s.\n",
9435 progname, strerror(errno));
9439 if (start > chunks[idx].chunk.e_start ||
9440 end <= chunks[idx].chunk.e_start)
9443 if (end < chunks[idx].chunk.e_end)
9444 chunks[idx].chunk.e_end = end;
9446 rc = llapi_layout_comp_flags_get(layout, &flags);
9449 "%s: llapi_layout_comp_flags_get failed: %s.\n",
9450 progname, strerror(errno));
9454 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
9457 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9460 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9461 progname, strerror(errno));
9465 chunks[idx].mirror_id[i] = mirror_id;
9467 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
9469 "%s: mirror_id array is too small.\n",
9476 rc = llapi_layout_comp_use(layout,
9477 LLAPI_LAYOUT_COMP_USE_NEXT);
9480 "%s: move to the next layout component: %s.\n",
9481 progname, strerror(errno));
9484 } /* loop through all components */
9486 chunks[idx].mirror_count = i;
9488 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
9492 if (idx >= chunks_size) {
9493 fprintf(stderr, "%s: chunks array is too small.\n",
9499 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
9503 return rc < 0 ? rc : idx + 1;
9507 * lfs_mirror_verify_chunk() - Verify a chunk.
9508 * @fd: File descriptor of the mirrored file.
9509 * @file_size: Size of the mirrored file.
9510 * @chunk: A chunk and its corresponding valid mirror ids.
9511 * @verbose: Verbose mode.
9513 * This function verifies a @chunk contains exactly the same data
9514 * ammong the mirrors that cover it.
9516 * If @verbose is specified, then the function will print where the
9517 * differences are if the data do not match. Otherwise, it will
9518 * just return an error in that case.
9520 * Return: 0 on success or a negative error code on failure.
9523 int lfs_mirror_verify_chunk(int fd, size_t file_size,
9524 struct verify_chunk *chunk, int verbose)
9526 const size_t buflen = 4 * 1024 * 1024; /* 4M */
9528 size_t page_size = sysconf(_SC_PAGESIZE);
9534 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9541 rc = posix_memalign(&buf, page_size, buflen);
9542 if (rc) /* error code is returned directly */
9546 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
9547 PEXT(&chunk->chunk));
9548 for (i = 0; i < chunk->mirror_count; i++)
9549 fprintf(stdout, " %u", chunk->mirror_id[i]);
9550 fprintf(stdout, "\n");
9554 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
9555 pos = chunk->chunk.e_start;
9556 while (bytes_done < count) {
9557 /* compute initial CRC-32 checksum */
9558 crc = crc32(0L, Z_NULL, 0);
9559 memset(crc_array, 0, sizeof(crc_array));
9562 for (i = 0; i < chunk->mirror_count; i++) {
9563 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
9565 if (bytes_read < 0) {
9568 "%s: failed to read data from mirror %u: %s.\n",
9569 progname, chunk->mirror_id[i],
9574 /* compute new CRC-32 checksum */
9575 crc_array[i] = crc32(crc, buf, bytes_read);
9579 print_checksums(chunk, crc_array);
9581 /* compare CRC-32 checksum values */
9582 for (i = 1; i < chunk->mirror_count; i++) {
9583 if (crc_array[i] != crc_array[0]) {
9587 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
9588 progname, PEXT(&chunk->chunk),
9589 chunk->mirror_id[0],
9590 chunk->mirror_id[i]);
9595 bytes_done += bytes_read;
9598 if (verbose > 1 && rc == 0) {
9599 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
9600 PEXT(&chunk->chunk));
9601 for (i = 0; i < chunk->mirror_count; i++)
9602 fprintf(stdout, " %u", chunk->mirror_id[i]);
9603 fprintf(stdout, " PASS\n\n");
9612 * lfs_mirror_verify_file() - Verify a mirrored file.
9613 * @fname: Mirrored file name.
9614 * @mirror_ids: Specified mirror ids to be verified.
9615 * @ids_nr: Number of specified mirror ids.
9616 * @verbose: Verbose mode.
9618 * This function verifies that each SYNC mirror of a mirrored file
9619 * specified by @fname contains exactly the same data.
9621 * If @mirror_ids is specified, then the function will verify the
9622 * mirrors specified by @mirror_ids contain exactly the same data.
9624 * If @verbose is specified, then the function will print where the
9625 * differences are if the data do not match. Otherwise, it will
9626 * just return an error in that case.
9628 * Return: 0 on success or a negative error code on failure.
9631 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
9634 struct verify_chunk chunks_array[1024] = { };
9635 struct llapi_layout *layout = NULL;
9639 int chunk_count = 0;
9645 if (stat(fname, &stbuf) < 0) {
9646 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9647 progname, fname, strerror(errno));
9652 if (!S_ISREG(stbuf.st_mode)) {
9653 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9659 if (stbuf.st_size == 0) {
9661 fprintf(stdout, "%s: '%s' file size is 0.\n",
9667 fd = open(fname, O_DIRECT | O_RDONLY);
9669 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9670 progname, fname, strerror(errno));
9675 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9677 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9678 progname, fname, strerror(errno));
9682 layout = llapi_layout_get_by_fd(fd, 0);
9683 if (layout == NULL) {
9684 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9685 progname, fname, strerror(errno));
9687 llapi_lease_release(fd);
9691 rc = llapi_layout_flags_get(layout, &flr_state);
9693 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9694 progname, fname, strerror(errno));
9699 flr_state &= LCM_FL_FLR_MASK;
9700 switch (flr_state) {
9703 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9704 progname, fname, llapi_layout_flags_string(flr_state));
9710 /* find out mirror chunks to be verified */
9711 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
9712 ARRAY_SIZE(chunks_array));
9713 if (chunk_count < 0) {
9719 /* filter specified mirror ids */
9720 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
9723 print_chunks(fname, chunks_array, chunk_count);
9725 for (idx = 0; idx < chunk_count; idx++) {
9726 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
9729 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
9731 PEXT(&chunks_array[idx].chunk),
9732 (unsigned long long)stbuf.st_size);
9736 if (chunks_array[idx].mirror_count == 0) {
9738 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
9740 PEXT(&chunks_array[idx].chunk));
9742 fprintf(stderr, "skipped\n");
9746 fprintf(stderr, "failed\n");
9750 if (chunks_array[idx].mirror_count == 1) {
9753 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
9755 PEXT(&chunks_array[idx].chunk),
9756 chunks_array[idx].mirror_id[0]);
9760 rc = llapi_lease_check(fd);
9761 if (rc != LL_LEASE_RDLCK) {
9762 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9767 /* verify one chunk */
9768 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
9769 &chunks_array[idx], verbose);
9783 llapi_layout_free(layout);
9784 llapi_lease_release(fd);
9792 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
9793 * @argc: The count of lfs mirror verify command line arguments.
9794 * @argv: Array of strings for lfs mirror verify command line arguments.
9796 * This function parses lfs mirror verify command and verifies the
9797 * specified mirrored file(s).
9799 * Return: 0 on success or a negative error code on failure.
9801 static inline int lfs_mirror_verify(int argc, char **argv)
9803 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9811 struct option long_opts[] = {
9812 { .val = 'o', .name = "only", .has_arg = required_argument },
9813 { .val = 'v', .name = "verbose", .has_arg = no_argument },
9816 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
9818 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
9821 rc = parse_mirror_ids(mirror_ids,
9822 ARRAY_SIZE(mirror_ids),
9826 "%s: bad mirror ids '%s'.\n",
9833 "%s: at least 2 mirror ids needed with '--only' option.\n",
9843 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9844 progname, argv[optind - 1]);
9850 if (argc == optind) {
9851 fprintf(stderr, "%s: no file name given.\n", progname);
9856 if (ids_nr > 0 && argc > optind + 1) {
9858 "%s: '--only' cannot be used upon multiple files.\n",
9866 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9872 for (; optind < argc; optind++) {
9873 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
9883 * lfs_mirror() - Parse and execute lfs mirror commands.
9884 * @argc: The count of lfs mirror command line arguments.
9885 * @argv: Array of strings for lfs mirror command line arguments.
9887 * This function parses lfs mirror commands and performs the
9888 * corresponding functions specified in mirror_cmdlist[].
9890 * Return: 0 on success or an error code on failure.
9892 static int lfs_mirror(int argc, char **argv)
9899 Parser_init("lfs-mirror > ", mirror_cmdlist);
9901 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
9903 program_invocation_short_name = cmd;
9905 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
9907 rc = Parser_commands();
9909 return rc < 0 ? -rc : rc;
9912 static void lustre_som_swab(struct lustre_som_attrs *attrs)
9914 #if __BYTE_ORDER == __BIG_ENDIAN
9915 __swab16s(&attrs->lsa_valid);
9916 __swab64s(&attrs->lsa_size);
9917 __swab64s(&attrs->lsa_blocks);
9923 LFS_SOM_BLOCKS = 0x2,
9924 LFS_SOM_FLAGS = 0x4,
9925 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
9929 static int lfs_getsom(int argc, char **argv)
9932 struct lustre_som_attrs *attrs;
9933 char buf[sizeof(*attrs) + 64];
9934 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
9937 while ((c = getopt(argc, argv, "sbf")) != -1) {
9940 type = LFS_SOM_SIZE;
9943 type = LFS_SOM_BLOCKS;
9946 type = LFS_SOM_FLAGS;
9949 fprintf(stderr, "%s: invalid option '%c'\n",
9959 fprintf(stderr, "%s: %s\n",
9960 progname, argc == 0 ? "miss file target" :
9961 "input more than 2 files");
9966 attrs = (void *)buf;
9967 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
9970 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
9971 argv[0], strerror(errno), errno);
9975 lustre_som_swab(attrs);
9978 case LFS_SOM_ATTR_ALL:
9979 printf("file: %s size: %llu blocks: %llu flags: %x\n",
9980 path, attrs->lsa_size, attrs->lsa_blocks,
9984 printf("%llu\n", attrs->lsa_size);
9986 case LFS_SOM_BLOCKS:
9987 printf("%llu\n", attrs->lsa_blocks);
9990 printf("%x\n", attrs->lsa_valid);
9993 fprintf(stderr, "%s: unknown option\n", progname);
10001 * lfs_mirror_list_commands() - List lfs mirror commands.
10002 * @argc: The count of command line arguments.
10003 * @argv: Array of strings for command line arguments.
10005 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10007 * Return: 0 on success.
10009 static int lfs_mirror_list_commands(int argc, char **argv)
10011 char buffer[81] = "";
10013 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10019 static int lfs_list_commands(int argc, char **argv)
10021 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
10023 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
10028 int main(int argc, char **argv)
10032 /* Ensure that liblustreapi constructor has run */
10033 if (!llapi_liblustreapi_initialized())
10034 fprintf(stderr, "liblustreapi was not properly initialized\n");
10036 setlinebuf(stdout);
10039 Parser_init("lfs > ", cmdlist);
10041 progname = program_invocation_short_name; /* Used in error messages */
10043 llapi_set_command_name(argv[1]);
10044 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
10045 llapi_clear_command_name();
10047 rc = Parser_commands();
10050 return rc < 0 ? -rc : rc;
10053 #ifdef _LUSTRE_IDL_H_
10054 /* Everything we need here should be included by lustreapi.h. */
10055 # error "lfs should not depend on lustre_idl.h"
10056 #endif /* _LUSTRE_IDL_H_ */