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/
33 * Author: Peter J. Braam <braam@clusterfs.com>
34 * Author: Phil Schwan <phil@clusterfs.com>
35 * Author: Robert Read <rread@clusterfs.com>
54 #include <sys/ioctl.h>
55 #include <sys/quota.h>
57 #include <sys/types.h>
59 #include <sys/param.h>
60 #include <sys/xattr.h>
67 #include <asm/byteorder.h>
68 #include "lfs_project.h"
70 #include <libcfs/util/string.h>
71 #include <libcfs/util/ioctl.h>
72 #include <libcfs/util/parser.h>
73 #include <libcfs/util/string.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>
78 #include <lnetconfig/cyaml.h>
82 static int lfs_find(int argc, char **argv);
83 static int lfs_getstripe(int argc, char **argv);
84 static int lfs_getdirstripe(int argc, char **argv);
85 static int lfs_setdirstripe(int argc, char **argv);
86 static int lfs_rmentry(int argc, char **argv);
87 static int lfs_unlink_foreign(int argc, char **argv);
88 static int lfs_osts(int argc, char **argv);
89 static int lfs_mdts(int argc, char **argv);
90 static int lfs_df(int argc, char **argv);
91 static int lfs_getname(int argc, char **argv);
92 static int lfs_check(int argc, char **argv);
93 #ifdef HAVE_SYS_QUOTA_H
94 static int lfs_setquota(int argc, char **argv);
95 static int lfs_quota(int argc, char **argv);
96 static int lfs_project(int argc, char **argv);
98 static int lfs_flushctx(int argc, char **argv);
99 static int lfs_poollist(int argc, char **argv);
100 static int lfs_changelog(int argc, char **argv);
101 static int lfs_changelog_clear(int argc, char **argv);
102 static int lfs_fid2path(int argc, char **argv);
103 static int lfs_path2fid(int argc, char **argv);
104 static int lfs_rmfid(int argc, char **argv);
105 static int lfs_data_version(int argc, char **argv);
106 static int lfs_hsm_state(int argc, char **argv);
107 static int lfs_hsm_set(int argc, char **argv);
108 static int lfs_hsm_clear(int argc, char **argv);
109 static int lfs_hsm_action(int argc, char **argv);
110 static int lfs_hsm_archive(int argc, char **argv);
111 static int lfs_hsm_restore(int argc, char **argv);
112 static int lfs_hsm_release(int argc, char **argv);
113 static int lfs_hsm_remove(int argc, char **argv);
114 static int lfs_hsm_cancel(int argc, char **argv);
115 static int lfs_swap_layouts(int argc, char **argv);
116 static int lfs_mv(int argc, char **argv);
117 static int lfs_ladvise(int argc, char **argv);
118 static int lfs_getsom(int argc, char **argv);
119 static int lfs_heat_get(int argc, char **argv);
120 static int lfs_heat_set(int argc, char **argv);
121 static int lfs_mirror(int argc, char **argv);
122 static int lfs_mirror_list_commands(int argc, char **argv);
123 static int lfs_list_commands(int argc, char **argv);
124 static inline int lfs_mirror_resync(int argc, char **argv);
125 static inline int lfs_mirror_verify(int argc, char **argv);
126 static inline int lfs_mirror_read(int argc, char **argv);
127 static inline int lfs_mirror_write(int argc, char **argv);
128 static inline int lfs_mirror_copy(int argc, char **argv);
129 static int lfs_pcc_attach(int argc, char **argv);
130 static int lfs_pcc_attach_fid(int argc, char **argv);
131 static int lfs_pcc_detach(int argc, char **argv);
132 static int lfs_pcc_detach_fid(int argc, char **argv);
133 static int lfs_pcc_state(int argc, char **argv);
134 static int lfs_pcc(int argc, char **argv);
135 static int lfs_pcc_list_commands(int argc, char **argv);
136 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
137 __u64 migration_flags,
138 struct llapi_stripe_param *param,
139 struct llapi_layout *layout);
141 struct pool_to_id_cbdata {
145 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata);
146 static int find_mirror_id_by_pool(struct llapi_layout *layout, void *cbdata);
148 enum setstripe_origin {
158 static int lfs_setstripe_internal(int argc, char **argv,
159 enum setstripe_origin opc);
161 static inline int lfs_setstripe(int argc, char **argv)
163 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
166 static inline int lfs_setstripe_migrate(int argc, char **argv)
168 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
171 static inline int lfs_mirror_create(int argc, char **argv)
173 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
176 static inline int lfs_mirror_extend(int argc, char **argv)
178 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
181 static inline int lfs_mirror_split(int argc, char **argv)
183 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
186 static inline int lfs_mirror_delete(int argc, char **argv)
188 return lfs_setstripe_internal(argc, argv, SO_MIRROR_DELETE);
191 /* Setstripe and migrate share mostly the same parameters */
192 #define SSM_CMD_COMMON(cmd) \
193 "usage: "cmd" [--component-end|-E COMP_END]\n" \
194 " [--stripe-count|-c STRIPE_COUNT]\n" \
195 " [--overstripe-count|-C STRIPE_COUNT]\n" \
196 " [--stripe-index|-i START_OST_IDX]\n" \
197 " [--stripe-size|-S STRIPE_SIZE]\n" \
198 " [--extension-size|--ext-size|-z]\n" \
199 " [--help|-h] [--layout|-L PATTERN]\n" \
200 " [--mirror_count|-N[MIRROR_COUNT]]\n" \
201 " [--ost|-o OST_INDICES]\n" \
202 " [--pool|-p POOL_NAME]\n" \
203 " [--yaml|-y YAML_TEMPLATE_FILE]\n" \
204 " [--copy=LUSTRE_SRC]\n"
206 #define SSM_HELP_COMMON \
207 "\tSTRIPE_COUNT: Number of OSTs to stripe on (0=fs default, -1 all)\n" \
208 "\t Using -C instead of -c allows overstriping, which\n" \
209 "\t will place more than one stripe per OST if\n" \
210 "\t stripe_count is greater than the number of OSTs.\n" \
211 "\tSTART_OST_IDX: OST index of first stripe (-1=default round robin)\n"\
212 "\tSTRIPE_SIZE: Number of bytes on each OST (0=fs default)\n" \
213 "\t Optional K, M, or G suffix (for KB, MB, GB\n" \
214 "\t respectively). Must be a multiple of 64KiB.\n" \
215 "\tEXTENSION_SIZE:\n" \
216 "\t Number of bytes the previous component is extended\n" \
217 "\t each time. Optional K, M, or G suffix (for KB,\n" \
218 "\t MB, GB respectively)\n" \
219 "\tPOOL_NAME: Name of OST pool to use (default none)\n" \
220 "\tLAYOUT: stripe pattern type: raid0, mdt (default raid0)\n" \
221 "\tOST_INDICES: List of OST indices, can be repeated multiple times\n"\
222 "\t Indices be specified in a format of:\n" \
223 "\t -o OST_1,OST_I-OST_J,OST_N\n" \
225 "\t -o OST_1 -o OST_I-OST_J -o OST_N\n" \
226 "\t If --pool is set with --ost then the OSTs\n" \
227 "\t must be the members of the pool.\n" \
228 "\tCOMP_END: Extent end of component, start after previous end.\n" \
229 "\t Optional K, M, or G suffix (for KiB, MiB, GiB), or\n" \
230 "\t -1 or 'eof' for max file size). Must be a multiple\n" \
231 "\t of stripe_size and a multiple of 64KiB.\n" \
232 "\tYAML_TEMPLATE_FILE:\n" \
233 "\t YAML layout template file, can't be used with -c,\n" \
234 "\t -i, -S, -p, -o, or -E arguments.\n" \
235 "\tLUSTRE_SRC: Lustre file/dir whose layout info is used to set\n" \
236 "\t another lustre file or directory, can't used with\n" \
237 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
239 #define MIRROR_CREATE_HELP \
240 "\tMIRROR_COUNT: Number of mirrors to be created with the upcoming\n" \
241 "\t setstripe layout options\n" \
242 "\t It defaults to 1 if not specified; if specified,\n" \
243 "\t it must follow the option without a space.\n" \
244 "\t The option can also be repeated multiple times to\n" \
245 "\t separate mirrors that have different layouts.\n" \
246 "\tSETSTRIPE_OPTIONS: Mirror layout as with 'setstripe'\n" \
247 "\t It can be a plain layout or a composite layout.\n" \
248 "\t If not specified, the stripe options inherited\n" \
249 "\t from the previous component will be used.\n" \
250 "\tFLAGS: set flags to the component of the current mirror.\n" \
251 "\t Only \"prefer\" flag is supported so far.\n"
253 #define MIRROR_EXTEND_HELP \
255 "\tVICTIM_FILE: The layout of victim_file will be split and used\n" \
256 "\t as a mirror added to the mirrored file.\n" \
257 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
258 "\t from victim file(s) in case the victim file(s)\n" \
259 "\t contains the same data as the original mirrored\n" \
262 #define MIRROR_EXTEND_USAGE \
263 " {--mirror-count|-N[mirror_count]}\n" \
264 " [SETSTRIPE_OPTIONS|-f|--file VICTIM_FILE]\n" \
267 #define SETSTRIPE_USAGE \
268 SSM_CMD_COMMON("setstripe") \
269 MIRROR_EXTEND_USAGE \
270 " <directory|filename>\n" \
274 #define MIGRATE_USAGE \
275 SSM_CMD_COMMON("migrate ") \
276 " [--block|-b] [--non-block|-n]\n" \
277 " [--non-direct|-D] [--verbose|-v]\n" \
281 "\tblock: Block file access during data migration (default)\n" \
282 "\tnon-block: Abort migrations if concurrent access is detected\n" \
283 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
284 "\tverbose: Print each filename as it is migrated\n" \
286 #define SETDIRSTRIPE_USAGE \
287 " [--mdt-count|-c stripe_count>\n" \
288 " [--help|-h] [--mdt-hash|-H mdt_hash]\n" \
289 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
290 " [--default|-D] [--mode|-o mode]\n" \
291 " [--max-inherit|-X max_inherit]\n" \
292 " [--max-inherit-rr max_inherit_rr] <dir>\n" \
293 "\tstripe_count: stripe count of the striped directory\n" \
294 "\tmdt_index: MDT index of first stripe\n" \
295 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
296 " crush CRUSH hash algorithm (default)\n" \
297 " fnv_1a_64 FNV-1a hash algorithm\n" \
298 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
299 "\tdefault_stripe: set default dirstripe of the directory\n" \
300 "\tmode: the file access permission of the directory (octal)\n" \
301 "To create dir with a foreign (free format) layout :\n" \
302 "setdirstripe|mkdir --foreign[=FOREIGN_TYPE] -x|-xattr STRING " \
303 "[--mode|-o MODE] [--flags HEX] <dir>\n" \
304 "\tmode: the file access permissions of the directory\n" \
305 "\tforeign_type: none, daos, symlink, or numeric value\n"
308 * command_t mirror_cmdlist - lfs mirror commands.
310 command_t mirror_cmdlist[] = {
311 { .pc_name = "create", .pc_func = lfs_mirror_create,
312 .pc_help = "Create a mirrored file.\n"
313 "usage: lfs mirror create {--mirror-count|-N[MIRROR_COUNT]}\n"
314 "\t\t[SETSTRIPE_OPTIONS] <filename|directory> ...\n"
315 MIRROR_CREATE_HELP },
316 { .pc_name = "delete", .pc_func = lfs_mirror_delete,
317 .pc_help = "Delete a mirror from a file.\n"
318 "usage: lfs mirror delete {--mirror-id MIRROR_ID|-p POOL|\n"
319 "\t --component-id|--comp-id|-I COMP_ID} <mirror_file>\n"
321 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
322 .pc_help = "Extend a mirrored file.\n"
323 "usage: lfs mirror extend {--mirror-count|-N[MIRROR_COUNT]}\n"
324 "\t\t[--no-verify] [SETSTRIPE_OPTIONS|-f VICTIM_FILE] ... <filename> ...\n"
325 MIRROR_EXTEND_HELP },
326 { .pc_name = "split", .pc_func = lfs_mirror_split,
327 .pc_help = "Split a mirrored file.\n"
328 "usage: lfs mirror split [--destroy|-d] [-f NEW_FILE] [--help|-h]\n"
329 "\t\t{--mirror-id MIRROR_ID|--component-id|-I COMP_ID|-p POOL}\n"
330 "\t\t<mirrored file> ...\n"
331 "\tMIRROR_ID: The numerical unique identifier for a mirror.\n"
332 "\t It can be fetched by the 'lfs getstripe' command.\n"
333 "\tCOMP_ID: Unique component ID within a mirror.\n"
334 "\tPOOL: Components using specified pool.\n"
335 "\tNEW_FILE: This option indicates the layout of the split\n"
336 "\t mirror will be stored into. If not specified,\n"
337 "\t a new file named <mirrored_file>.mirror~MIRROR_ID\n"
338 "\t will be used.\n" },
339 { .pc_name = "read", .pc_func = lfs_mirror_read,
340 .pc_help = "Read the content of a specified mirror of a file.\n"
341 "usage: lfs mirror read {--mirror-id|-N MIRROR_ID}\n"
342 "\t\t[--outfile|-o <output_file>] <mirrored_file>\n" },
343 { .pc_name = "write", .pc_func = lfs_mirror_write,
344 .pc_help = "Write to a specified mirror of a file.\n"
345 "usage: lfs mirror write {--mirror-id|-N MIRROR_ID}\n"
346 "\t\t[--inputfile|-i <input_file>] <mirrored_file>\n" },
347 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
348 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
349 "usage: lfs mirror copy {--read-mirror|-i MIRROR_ID0}\n"
350 "\t\t{--write-mirror|-o MIRROR_ID1[,...]} <mirrored_file>\n" },
351 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
352 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
353 "usage: lfs mirror resync [--only MIRROR_ID[,...]>]\n"
354 "\t\t<mirrored_file> [<mirrored_file2>...]\n" },
355 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
356 .pc_help = "Verify mirrored file(s).\n"
357 "usage: lfs mirror verify [--only MIRROR_ID[,...]]\n"
358 "\t\t[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n" },
359 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
360 .pc_help = "list commands supported by lfs mirror"},
361 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
362 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
363 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
368 * command_t pcc_cmdlist - lfs pcc commands.
370 command_t pcc_cmdlist[] = {
371 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
372 .pc_help = "Attach given files to the Persistent Client Cache.\n"
373 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
374 "\t-i: archive id for RW-PCC\n" },
375 { .pc_name = "attach_fid", .pc_func = lfs_pcc_attach_fid,
376 .pc_help = "Attach given files into PCC by FID(s).\n"
377 "usage: lfs pcc attach_id {--id|-i NUM} {--mnt|-m MOUNTPOINT} FID ...\n"
378 "\t-i: archive id for RW-PCC\n"
379 "\t-m: Lustre mount point\n" },
380 { .pc_name = "state", .pc_func = lfs_pcc_state,
381 .pc_help = "Display the PCC state for given files.\n"
382 "usage: lfs pcc state <file> ...\n" },
383 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
384 .pc_help = "Detach given files from the Persistent Client Cache.\n"
385 "usage: lfs pcc detach <file> ...\n" },
386 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
387 .pc_help = "Detach given files from PCC by FID(s).\n"
388 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
389 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
390 .pc_help = "list commands supported by lfs pcc"},
391 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
392 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
393 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
397 /* all available commands */
398 command_t cmdlist[] = {
399 {"setstripe", lfs_setstripe, 0,
400 "To create a file with specified striping/composite layout, or\n"
401 "create/replace the default layout on an existing directory:\n"
402 SSM_CMD_COMMON("setstripe")
404 " <directory|filename>\n"
406 "To add component(s) to an existing composite file:\n"
407 SSM_CMD_COMMON("setstripe --component-add")
409 "To totally delete the default striping from an existing directory:\n"
410 "usage: setstripe [--delete|-d] <directory>\n"
412 "To create a mirrored file or set s default mirror layout on a directory:\n"
413 "usage: setstripe {--mirror-count|-N}[MIRROR_COUNT] [SETSTRIPE_OPTIONS] <directory|filename>\n"
415 "To delete the last component(s) from an existing composite file\n"
416 "(note that this will also delete any data in those components):\n"
417 "usage: setstripe --component-del [--component-id|-I COMP_ID]\n"
418 " [--component-flags|-F COMP_FLAGS]\n"
420 "\tCOMP_ID: Unique component ID to delete\n"
421 "\tCOMP_FLAGS: 'init' indicating all instantiated components\n"
422 "\t '^init' indicating all uninstantiated components\n"
423 "\t-I and -F cannot be specified at the same time\n"
425 "To set or clear flags on a specific component\n"
426 "(note that this command can only be applied to mirrored files:\n"
427 "usage: setstripe --comp-set {-I COMP_ID|--comp-flags=COMP_FLAGS}\n"
430 "To create a file with a foreign (free format) layout:\n"
431 "usage: setstripe --foreign[=FOREIGN_TYPE]\n"
432 " --xattr|-x LAYOUT_STRING [--flags HEX]\n"
433 " [--mode MODE] <filename>\n"},
434 {"getstripe", lfs_getstripe, 0,
435 "To list the layout pattern for a given file or files in a\n"
436 "directory or recursively for all files in a directory tree.\n"
437 "usage: getstripe [--ost|-O UUID] [--quiet|-q] [--verbose|-v]\n"
438 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
439 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
440 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
441 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
442 " [--help|-h] [--component-id|-I[=COMP_ID]]\n"
443 " [--component-flags[=COMP_FLAGS]]\n"
444 " [--component-count]\n"
445 " [--extension-size|--ext-size|-z]\n"
446 " [--component-start[=[+-]COMP_START]]\n"
447 " [--component-end[=[+-]COMP_END]|-E[[+-]comp_end]]\n"
448 " [[!] --mirror-index=[+-]INDEX |\n"
449 " [!] --mirror-id=[+-]MIRROR_ID] [--mirror-count|-N]\n"
450 " <directory|filename> ..."},
451 {"setdirstripe", lfs_setdirstripe, 0,
452 "Create striped directory on specified MDT, same as mkdir.\n"
453 "May be restricted to root or group users, depending on settings.\n"
454 "usage: setdirstripe [OPTION] <directory>\n"
456 {"getdirstripe", lfs_getdirstripe, 0,
457 "To list the layout pattern info for a given directory\n"
458 "or recursively for all directories in a directory tree.\n"
459 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
460 " [--help|-h] [--mdt-hash|-H] [--obd|-O UUID]\n"
461 " [--recursive|-r] [--yaml|-y]\n"
462 " [--verbose|-v] [--default|-D]\n"
463 " [--max-inherit|-X]\n"
464 " [--max-inherit-rr] <dir> ..."},
465 {"mkdir", lfs_setdirstripe, 0,
466 "Create striped directory on specified MDT, same as setdirstripe.\n"
467 "usage: mkdir [OPTION] <directory>\n"
469 {"rm_entry", lfs_rmentry, 0,
470 "To remove the name entry of the remote directory. Note: This\n"
471 "command will only delete the name entry, i.e. the remote directory\n"
472 "will become inaccessable after this command. This can only be done\n"
473 "by the administrator\n"
474 "usage: rm_entry <dir>\n"},
475 {"unlink_foreign", lfs_unlink_foreign, 0,
476 "To remove the foreign file/dir.\n"
477 "Note: This is for files/dirs prevented to be removed using\n"
478 "unlink/rmdir, but works also for regular ones\n"
479 "usage: unlink_foreign <foreign_dir/file> [<foreign_dir/file> ...]\n"},
480 {"pool_list", lfs_poollist, 0,
481 "List pools or pool OSTs\n"
482 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
483 {"find", lfs_find, 0,
484 "find files matching given attributes recursively in directory tree.\n"
485 "usage: find <directory|filename> ...\n"
486 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
487 " [[!] --mtime|-M [+-]N[smhdwy]]\n"
488 " [[!] --btime|--Btime|-B [+-]N[smhdwy]] [--help|-h]\n"
489 " [[!] --newer[XY] <reference>] [[!] --blocks|-b N]\n"
490 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
491 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
492 " [[!] --perm [/-]mode] [[!] --pool <pool>] [--print|-P]\n"
493 " [--print0|-0] [[!] --projid <projid>]\n"
494 " [[!] --size|-s [+-]N[bkMGTPE]]\n"
495 " [[!] --stripe-count|-c [+-]<stripes>]\n"
496 " [[!] --stripe-index|-i <index,...>]\n"
497 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
498 " [[!] --extension-size|--ext-size|-z [+-]N[kMGT]]\n"
499 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
500 " [[!] --uid|-u|--user|-U <uid>|<uname>]\n"
501 " [[!] --layout|-L released,raid0,mdt]\n"
502 " [[!] --foreign[=<foreign_type>]]\n"
503 " [[!] --component-count [+-]<comp_cnt>]\n"
504 " [[!] --component-start [+-]N[kMGTPE]]\n"
505 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
506 " [[!] --component-flags {init,stale,prefer,offline,nosync,extension}]\n"
507 " [[!] --mirror-count|-N [+-]<n>]\n"
508 " [[!] --mirror-state <[^]state>]\n"
509 " [[!] --mdt-count|-T [+-]<stripes>]\n"
510 " [[!] --mdt-hash|-H <[^][blm],[^]fnv_1a_64,all_char,crush,...>\n"
511 " [[!] --mdt-index|-m <uuid|index,...>]\n"
512 "\t !: used before an option indicates 'NOT' requested attribute\n"
513 "\t -: used before a value indicates less than requested value\n"
514 "\t +: used before a value indicates more than requested value\n"
515 "\t ^: used before a flag indicates to exclude it\n"},
516 {"check", lfs_check, 0,
517 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
518 "or all the servers (MGTs, MDTs and OSTs).\n"
519 "usage: check {mgts|osts|mdts|all}"},
520 {"osts", lfs_osts, 0, "list OSTs connected to client "
521 "[for specified path only]\n" "usage: osts [path]"},
522 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
523 "[for specified path only]\n" "usage: mdts [path]"},
525 "report filesystem disk space usage or inodes usage "
526 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
527 "Usage: df [--inodes|-i] [--human-readable|-h] [--lazy|-l]\n"
528 " [--pool|-p <fsname>[.<pool>]] [path]"},
529 {"getname", lfs_getname, 0,
530 "list instances and specified mount points [for specified path only]\n"
531 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
532 #ifdef HAVE_SYS_QUOTA_H
533 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
534 "usage: setquota {-u|-g|-p} UNAME|UID|GNAME|GID|PROJID\n"
535 " -b BLOCK_SOFTLIMIT -B BLOCK_HARDLIMIT\n"
536 " -i INODE_SOFTLIMIT -I INODE_HARDLIMIT <filesystem>\n"
537 " setquota {-u|--user USER|UID|-g|--group GROUP|GID|-p|--projid PROJID}\n"
538 " [--block-softlimit BLOCK_SOFTLIMIT]\n"
539 " [--block-hardlimit BLOCK_HARDLIMIT]\n"
540 " [--inode-softlimit INODE_SOFTLIMIT]\n"
541 " [--inode-hardlimit INODE_HARDLIMIT] <filesystem>\n"
542 " setquota [-t] {-h|--help|-u|--user|-g|--group|-p|--projid}\n"
543 " [--block-grace 'notify'|BLOCK_GRACE]\n"
544 " [--inode-grace 'notify'|INODE_GRACE] <filesystem>\n"
545 " setquota {-U|-G|-P}\n"
546 " -b BLOCK_SOFTLIMIT -B BLOCK_HARDLIMIT\n"
547 " -i INODE_SOFTLIMIT -I INODE_HARDLIMIT <filesystem>\n"
548 " setquota {-U|--default-usr|-G|--default-grp|-P|--default-prj}\n"
549 " [--block-softlimit BLOCK_SOFTLIMIT]\n"
550 " [--block-hardlimit BLOCK_HARDLIMIT]\n"
551 " [--inode-softlimit INODE_SOFTLIMIT]\n"
552 " [--inode-hardlimit INODE_HARDLIMIT] <filesystem>\n"
553 " setquota {-u|-g|-p} UNAME|UID|GNAME|GID|PROJID\n"
555 " -b can be used instead of --block-softlimit/--block-grace\n"
556 " -B can be used instead of --block-hardlimit\n"
557 " -i can be used instead of --inode-softlimit/--inode-grace\n"
558 " -I can be used instead of --inode-hardlimit\n"
559 " -d can be used instead of --default\n\n"
560 "Note: The total quota space will be split into many qunits and\n"
561 " balanced over all server targets, the minimal qunit size is\n"
562 " 1M bytes for block space and 1K inodes for inode space.\n\n"
563 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
564 " Quota space rebalancing process will stop when this mininum\n"
565 " value is reached. As a result, quota exceeded can be returned\n"
566 " while many targets still have 1MB or 1K inodes of spare\n"
568 " When setting the grace time, 'notify' can be used as grace to\n"
569 " be notified after the quota is over soft limit but prevents\n"
570 " the soft limit from becoming the hard limit."},
571 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
572 "usage: quota [-q] [-v] [-h] [-o OBD_UUID|-i MDT_IDX|-I OST_IDX]\n"
573 " [{-u|-g|-p} UNAME|UID|GNAME|GID|PROJID] <filesystem>\n"
574 " quota [-o OBD_UUID|-i MDT_IDX|-I OST_IDX] -t {-u|-g|-p} <filesystem>\n"
575 " quota [-q] [-v] [h] {-U|-G|-P} <filesystem>"},
576 {"project", lfs_project, 0,
577 "Change or list project attribute for specified file or directory.\n"
578 "usage: project [-d|-r] <file|directory...>\n"
579 " list project ID and flags on file(s) or directories\n"
580 " project [-p id] [-s] [-r] <file|directory...>\n"
581 " set project ID and/or inherit flag for specified file(s) or directories\n"
582 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
583 " check project ID and flags on file(s) or directories, print outliers\n"
584 " project -C [-r] [-k] <file|directory...>\n"
585 " clear the project inherit flag and ID on the file or directory\n"
588 {"flushctx", lfs_flushctx, 0,
589 "Flush security context for current user.\n"
590 "usage: flushctx [-k] [-r] [mountpoint...]"},
591 {"changelog", lfs_changelog, 0,
592 "Show the metadata changes on an MDT."
593 "\nusage: changelog <mdtname> [startrec [endrec]]"},
594 {"changelog_clear", lfs_changelog_clear, 0,
595 "Indicate that old changelog records up to <endrec> are no longer of "
596 "interest to consumer <id>, allowing the system to free up space.\n"
597 "An <endrec> of 0 means all records.\n"
598 "usage: changelog_clear <mdtname> <id> <endrec>"},
599 {"fid2path", lfs_fid2path, 0,
600 "Resolve the full path(s) for given FID(s). For a specific hardlink "
601 "specify link number <linkno>.\n"
602 "usage: fid2path [--print-fid|-f] [--print-link|-c] [--link|-l <linkno>] "
603 "<fsname|root> <fid>..."},
604 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
605 "usage: path2fid [--parents] <path> ..."},
606 {"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
607 "usage: rmfid <fsname|rootpath> <fid> ..."},
608 {"data_version", lfs_data_version, 0, "Display file data version for "
609 "a given path.\n" "usage: data_version [-n|-r|-w] <path>"},
610 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
611 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
612 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
613 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
614 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
615 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
617 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
618 "[--archived] [--lost] <file> ..."},
619 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
620 "given files.\n" "usage: hsm_action <file> ..."},
621 {"hsm_archive", lfs_hsm_archive, 0,
622 "Archive file to external storage.\n"
623 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
625 {"hsm_restore", lfs_hsm_restore, 0,
626 "Restore file from external storage.\n"
627 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
628 {"hsm_release", lfs_hsm_release, 0,
629 "Release files from Lustre.\n"
630 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
631 {"hsm_remove", lfs_hsm_remove, 0,
632 "Remove file copy from external storage.\n"
633 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
635 " (FILE [FILE ...] | "
636 "--mntpath MOUNTPATH FID [FID ...])\n"
638 "Note: To remove an archived copy of a file already deleted from a "
640 "--mntpath option and a list of FIDs must be specified"
642 {"hsm_cancel", lfs_hsm_cancel, 0,
643 "Cancel requests related to specified files.\n"
644 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
645 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
646 "usage: swap_layouts <path1> <path2>"},
647 {"migrate", lfs_setstripe_migrate, 0,
648 "migrate a directory between MDTs.\n"
649 "usage: migrate [--mdt-count|-c STRIPE_COUNT]\n"
650 " [--mdt-hash|-H HASH_TYPE]\n"
651 " [--mdt-index|-m START_MDT_INDEX] [--verbose|-v]\n"
653 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
654 " it's the MDT index of first stripe\n"
655 "\tmdt_count: number of MDTs to stripe a directory over\n"
656 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
657 " all_char (type 1)sum of characters % MDT_COUNT\n"
658 " fnv_1a_64 (type 2)FNV-1a hash algorithm (default)\n"
659 " crush (type 3)CRUSH hash algorithm\n"
661 "migrate file objects from one OST "
662 "layout\nto another (may be not safe with concurent writes).\n"
663 "usage: migrate [--stripe-count|-c STRIPE_COUNT]\n"
664 " [--overstripe-count|-C STRIPE_COUNT]\n"
665 " [--stripe-index|-i START_OST_INDEX]\n"
666 " [--stripe-size|-S STRIPE_SIZE]\n"
667 " [--pool|-p <pool_name>] [--ost|-o OST_INDICES]\n"
668 " [--block|-b] [--non-block|-n] [--non-direct|-D]\n"
669 " <file|directory>\n"
670 "\tstripe_count: number of OSTs to stripe a file over\n"
671 "\t Using -C instead of -c allows overstriping, which\n"
672 "\t will place more than one stripe per OST if\n"
673 "\t stripe_count is greater than the number of OSTs\n"
674 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
675 "\tstripe_size: number of bytes to store before moving to the next OST\n"
676 "\tpool_name: name of the predefined pool of OSTs\n"
677 "\tost_indices: OSTs to stripe over, in order\n"
678 "\tblock: Block file access during data migration (default)\n"
679 "\tnon-block: Abort migrations if concurrent access is detected\n"
680 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
682 "To move directories between MDTs. This command is deprecated, "
683 "use \"migrate\" instead.\n"
684 "usage: mv <directory|filename> [--mdt-index|-m MDT_INDEX] "
686 {"ladvise", lfs_ladvise, 0,
687 "Provide servers with advice about access patterns for a file.\n"
688 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
689 " [--background|-b] [--unset|-u]\n\n"
690 " {--end|-e END[kMGT]|--length|-l LENGTH[kMGT]}\n"
691 " {[--mode|-m [READ,WRITE]}\n"
693 {"mirror", lfs_mirror, mirror_cmdlist,
694 "lfs commands used to manage files with mirrored components:\n"
695 "lfs mirror create - create a mirrored file or directory\n"
696 "lfs mirror extend - add mirror(s) to an existing file\n"
697 "lfs mirror split - split a mirror from an existing mirrored file\n"
698 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
699 "lfs mirror read - read a mirror content of a mirrored file\n"
700 "lfs mirror write - write to a mirror of a mirrored file\n"
701 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
702 "lfs mirror verify - verify mirrored file(s)\n"},
703 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
704 "usage: getsom [-s] [-b] [-f] <path>\n"
705 "\t-s: Only show the size value of the SOM data for a given file\n"
706 "\t-b: Only show the blocks value of the SOM data for a given file\n"
707 "\t-f: Only show the flags value of the SOM data for a given file\n"},
708 {"heat_get", lfs_heat_get, 0,
709 "To get heat of files.\n"
710 "usage: heat_get <file> ...\n"},
711 {"heat_set", lfs_heat_set, 0,
712 "To set heat flags of files.\n"
713 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
714 "\t--clear|-c: Clear file heat for given files\n"
715 "\t--off|-o: Turn off file heat for given files\n"
716 "\t--on|-O: Turn on file heat for given files\n"},
717 {"pcc", lfs_pcc, pcc_cmdlist,
718 "lfs commands used to interact with PCC features:\n"
719 "lfs pcc attach - attach given files to Persistent Client Cache\n"
720 "lfs pcc attach_fid - attach given files into PCC by FID(s)\n"
721 "lfs pcc state - display the PCC state for given files\n"
722 "lfs pcc detach - detach given files from Persistent Client Cache\n"
723 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
724 {"help", Parser_help, 0, "help"},
725 {"exit", Parser_quit, 0, "quit"},
726 {"quit", Parser_quit, 0, "quit"},
727 {"--version", Parser_version, 0,
728 "output build version of the utility and exit"},
729 {"--list-commands", lfs_list_commands, 0,
730 "list commands supported by the utility and exit"},
734 static int check_hashtype(const char *hashtype)
736 int type_num = atoi(hashtype);
739 /* numeric hash type */
740 if (hashtype && strlen(hashtype) == 1 &&
741 (type_num > 0 && type_num < LMV_HASH_TYPE_MAX))
743 /* string hash type */
744 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
745 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
751 static uint32_t check_foreign_type_name(const char *foreign_type_name)
755 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
756 if (!lu_foreign_types[i].lft_name)
758 if (strcmp(foreign_type_name,
759 lu_foreign_types[i].lft_name) == 0)
760 return lu_foreign_types[i].lft_type;
763 return LU_FOREIGN_TYPE_UNKNOWN;
766 static const char *error_loc = "syserror";
769 MIGRATION_NONBLOCK = 0x0001,
770 MIGRATION_MIRROR = 0x0002,
771 MIGRATION_NONDIRECT = 0x0004,
772 MIGRATION_VERBOSE = 0x0008,
776 migrate_open_files(const char *name, __u64 migration_flags,
777 const struct llapi_stripe_param *param,
778 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
785 char parent[PATH_MAX];
786 char volatile_file[PATH_MAX];
792 if (!param && !layout) {
793 error_loc = "layout information";
797 /* search for file directory pathname */
798 if (strlen(name) > sizeof(parent) - 1) {
799 error_loc = "source file name";
803 strncpy(parent, name, sizeof(parent));
804 ptr = strrchr(parent, '/');
806 if (!getcwd(parent, sizeof(parent))) {
807 error_loc = "getcwd";
811 if (ptr == parent) /* leading '/' */
816 /* open file, direct io */
817 /* even if the file is only read, WR mode is nedeed to allow
821 if (!(migration_flags & MIGRATION_NONDIRECT))
823 fd = open(name, rflags);
826 error_loc = "cannot open source file";
830 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
832 error_loc = "cannot get MDT index";
837 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
838 mode_t open_mode = S_IRUSR | S_IWUSR;
840 random_value = random();
841 rc = snprintf(volatile_file, sizeof(volatile_file),
842 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
843 mdt_index, random_value);
844 if (rc >= sizeof(volatile_file)) {
849 /* create, open a volatile file, use caching (ie no directio) */
851 /* Returns -1 and sets errno on error: */
852 fdv = llapi_layout_file_open(volatile_file, open_flags,
857 /* Does the right thing on error: */
858 fdv = llapi_file_open_param(volatile_file, open_flags,
861 } while (fdv < 0 && (rc = fdv) == -EEXIST);
864 error_loc = "cannot create volatile file";
869 * In case the MDT does not support creation of volatile files
870 * we should try to unlink it.
872 (void)unlink(volatile_file);
875 * Not-owner (root?) special case.
876 * Need to set owner/group of volatile file like original.
877 * This will allow to pass related check during layout_swap.
882 error_loc = "cannot stat source file";
886 rc = fstat(fdv, &stv);
889 error_loc = "cannot stat volatile";
893 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
894 rc = fchown(fdv, st.st_uid, st.st_gid);
897 error_loc = "cannot change ownwership of volatile";
916 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
918 struct llapi_layout *layout;
919 size_t buf_size = 4 * 1024 * 1024;
923 size_t page_size = sysconf(_SC_PAGESIZE);
927 layout = llapi_layout_get_by_fd(fd_src, 0);
929 uint64_t stripe_size;
931 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
933 buf_size = stripe_size;
935 llapi_layout_free(layout);
938 /* Use a page-aligned buffer for direct I/O */
939 rc = posix_memalign(&buf, page_size, buf_size);
943 sparse = llapi_file_is_sparse(fd_src);
945 rc = ftruncate(fd_dst, pos);
954 size_t to_read, to_write;
957 if (sparse && pos >= data_end) {
960 data_off = llapi_data_seek(fd_src, pos, &data_size);
962 /* Non-fatal, switch to full copy */
966 /* hole at the end of file, truncate up to it */
968 rc = ftruncate(fd_dst, data_off);
972 pos = data_off & ~(page_size - 1);
973 data_end = data_off + data_size;
974 to_read = ((data_end - pos - 1) | (page_size - 1)) + 1;
975 to_read = MIN(to_read, buf_size);
981 rc = check_file(fd_src);
986 rsize = pread(fd_src, buf, to_read, pos);
996 while (to_write > 0) {
999 written = pwrite(fd_dst, buf, to_write, pos);
1005 to_write -= written;
1007 if (rc || rsize < to_read)
1015 /* Try to avoid page cache pollution after migration. */
1016 (void)posix_fadvise(fd_src, 0, 0, POSIX_FADV_DONTNEED);
1017 (void)posix_fadvise(fd_dst, 0, 0, POSIX_FADV_DONTNEED);
1023 static int migrate_copy_timestamps(int fd, int fdv)
1027 if (fstat(fd, &st) == 0) {
1028 struct timeval tv[2] = {
1029 {.tv_sec = st.st_atime},
1030 {.tv_sec = st.st_mtime}
1033 return futimes(fdv, tv);
1039 static int migrate_block(int fd, int fdv)
1046 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1048 error_loc = "cannot get dataversion";
1057 * The grouplock blocks all concurrent accesses to the file.
1058 * It has to be taken after llapi_get_data_version as it would
1061 rc = llapi_group_lock(fd, gid);
1063 error_loc = "cannot get group lock";
1067 rc = migrate_copy_data(fd, fdv, NULL);
1069 error_loc = "data copy failed";
1073 /* Make sure we keep original atime/mtime values */
1074 rc = migrate_copy_timestamps(fd, fdv);
1076 error_loc = "timestamp copy failed";
1082 * for a migration we need to check data version on file did
1085 * Pass in gid=0 since we already own grouplock.
1087 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
1088 SWAP_LAYOUTS_CHECK_DV1);
1089 if (rc == -EAGAIN) {
1090 error_loc = "file changed";
1092 } else if (rc < 0) {
1093 error_loc = "cannot swap layout";
1098 rc2 = llapi_group_unlock(fd, gid);
1099 if (rc2 < 0 && rc == 0) {
1100 error_loc = "unlock group lock";
1108 * Internal helper for migrate_copy_data(). Check lease and report error if
1111 * \param[in] fd File descriptor on which to check the lease.
1113 * \retval 0 Migration can keep on going.
1114 * \retval -errno Error occurred, abort migration.
1116 static int check_lease(int fd)
1120 rc = llapi_lease_check(fd);
1122 return 0; /* llapi_check_lease returns > 0 on success. */
1127 static int migrate_nonblock(int fd, int fdv)
1133 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1135 error_loc = "cannot get data version";
1139 rc = migrate_copy_data(fd, fdv, check_lease);
1141 error_loc = "data copy failed";
1145 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1147 error_loc = "cannot get data version";
1153 error_loc = "source file changed";
1157 /* Make sure we keep original atime/mtime values */
1158 rc = migrate_copy_timestamps(fd, fdv);
1160 error_loc = "timestamp copy failed";
1168 int lfs_layout_compid_by_pool(char *fname, const char *pool, int *comp_id)
1170 struct pool_to_id_cbdata data = { .pool = pool };
1171 struct llapi_layout *layout = NULL;
1174 layout = llapi_layout_get_by_path(fname, 0);
1177 "error %s: file '%s' couldn't get layout: rc=%d\n",
1178 progname, fname, errno);
1182 rc = llapi_layout_sanity(layout, fname, false, true);
1184 llapi_layout_sanity_perror(errno);
1187 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool, &data);
1196 llapi_layout_free(layout);
1200 static int lfs_component_set(char *fname, int comp_id, const char *pool,
1201 __u32 flags, __u32 neg_flags)
1204 __u32 flags_array[2];
1211 "error %s: neither component id nor pool is specified\n",
1215 rc = lfs_layout_compid_by_pool(fname, pool, &comp_id);
1221 ids[count] = comp_id;
1222 flags_array[count] = flags;
1227 if (neg_flags & LCME_FL_STALE) {
1229 "%s: cannot clear 'stale' flags from component. Please use lfs-mirror-resync(1) instead\n",
1234 ids[count] = comp_id;
1235 flags_array[count] = neg_flags | LCME_FL_NEG;
1239 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1241 if (errno == EUCLEAN) {
1244 "%s: cannot set 'stale' flag on component '%#x' of the last non-stale mirror of '%s'\n",
1245 progname, comp_id, fname);
1248 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1249 progname, comp_id, fname, flags, neg_flags);
1256 static int lfs_component_del(char *fname, __u32 comp_id,
1257 __u32 flags, __u32 neg_flags)
1261 if (flags && neg_flags)
1264 if (!flags && neg_flags)
1265 flags = neg_flags | LCME_FL_NEG;
1267 if ((flags && comp_id) || (!flags && !comp_id))
1271 if (flags & ~LCME_KNOWN_FLAGS) {
1273 "%s setstripe: unknown flags %#x\n",
1277 } else if (comp_id > LCME_ID_MAX) {
1278 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1283 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1286 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1287 progname, comp_id, fname, strerror(errno));
1291 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1298 rc = llapi_layout_file_comp_add(fname, layout);
1300 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1301 fname, strerror(errno));
1305 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1306 struct llapi_layout *layout)
1314 fd = lstat(fname, &st);
1315 if (fd == 0 && S_ISDIR(st.st_mode))
1316 open_flags = O_DIRECTORY | O_RDONLY;
1318 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1320 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1321 S_ISDIR(st.st_mode) ?
1322 "set default composite layout for" :
1323 "create composite file",
1324 fname, strerror(errno));
1328 static int lfs_migrate(char *name, __u64 migration_flags,
1329 struct llapi_stripe_param *param,
1330 struct llapi_layout *layout)
1332 struct llapi_layout *existing;
1333 uint64_t dom_new, dom_cur;
1338 rc = migrate_open_files(name, migration_flags, param, layout,
1343 rc = llapi_layout_dom_size(layout, &dom_new);
1345 error_loc = "cannot get new layout DoM size";
1348 /* special case for migration to DOM layout*/
1349 existing = llapi_layout_get_by_fd(fd, 0);
1351 error_loc = "cannot get existing layout";
1355 rc = llapi_layout_dom_size(existing, &dom_cur);
1357 error_loc = "cannot get current layout DoM size";
1362 * if file has DoM layout already then migration is possible to
1363 * the new layout with the same DoM component via swap layout,
1364 * if new layout used bigger DOM size, then mirroring is used
1366 if (dom_new > dom_cur) {
1367 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1370 error_loc = "cannot migrate to DOM layout";
1374 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1376 * Blocking mode (forced if servers do not support file lease).
1377 * It is also the default mode, since we cannot distinguish
1378 * between a broken lease and a server that does not support
1379 * atomic swap/close (LU-6785)
1381 rc = migrate_block(fd, fdv);
1385 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1387 error_loc = "cannot get lease";
1391 rc = migrate_nonblock(fd, fdv);
1393 llapi_lease_release(fd);
1398 * Atomically put lease, swap layouts and close.
1399 * for a migration we need to check data version on file did
1402 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1404 error_loc = "cannot swap layout";
1416 fprintf(stderr, "error: %s: %s: %s: %s\n",
1417 progname, name, error_loc, strerror(-rc));
1418 else if (migration_flags & MIGRATION_VERBOSE)
1419 printf("%s\n", name);
1424 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1427 char *dup_string = NULL;
1433 if (!string || !string[0])
1436 dup_string = strdup(string);
1438 llapi_printf(LLAPI_MSG_ERROR,
1439 "%s: insufficient memory\n",
1444 for (name = strtok(dup_string, ","); name; name = strtok(NULL, ",")) {
1448 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1449 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1450 const char *comp_name = comp_flags_table[i].cfn_name;
1452 if (strcmp(name, comp_name) == 0) {
1453 *flags |= comp_flag;
1455 } else if (strncmp(name, "^", 1) == 0 &&
1456 strcmp(name + 1, comp_name) == 0) {
1457 *neg_flags |= comp_flag;
1462 llapi_printf(LLAPI_MSG_ERROR,
1463 "%s: component flag '%s' not supported\n",
1470 if (!*flags && !*neg_flags)
1473 /* don't allow to set and exclude the same flag */
1474 if (*flags & *neg_flags)
1482 static int mdthash_input(char *string, __u32 *inflags,
1483 __u32 *exflags, __u32 *type)
1490 {"migrating", LMV_HASH_FLAG_MIGRATION},
1491 {"badtype", LMV_HASH_FLAG_BAD_TYPE},
1492 {"lostlmv", LMV_HASH_FLAG_LOST_LMV},
1501 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1505 for (i = 0; i < ARRAY_SIZE(mhflist); i++) {
1506 if (strcmp(name, mhflist[i].name) == 0 ||
1507 name[0] == mhflist[i].name[0]) {
1508 *inflags |= mhflist[i].flag;
1510 } else if (name[0] == '^' &&
1511 (strcmp(name + 1, mhflist[i].name) == 0 ||
1512 name[1] == mhflist[i].name[0])) {
1513 *exflags |= mhflist[i].flag;
1518 i = check_hashtype(name);
1523 llapi_printf(LLAPI_MSG_ERROR,
1524 "%s: invalid mdt_hash value '%s'\n",
1530 /* don't allow to include and exclude the same flag */
1531 if (*inflags & *exflags) {
1532 llapi_printf(LLAPI_MSG_ERROR,
1533 "%s: include and exclude same flag '%s'\n",
1541 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1549 if (strncmp(string, "^", 1) == 0) {
1550 *neg_state = llapi_layout_string_flags(string + 1);
1551 if (*neg_state != 0)
1554 *state = llapi_layout_string_flags(string);
1559 llapi_printf(LLAPI_MSG_ERROR,
1560 "%s: mirrored file state '%s' not supported\n",
1566 * struct mirror_args - Command-line arguments for mirror(s).
1567 * @m_count: Number of mirrors to be created with this layout.
1568 * @m_flags: Mirror level flags, only 'prefer' is supported.
1569 * @m_layout: Mirror layout.
1570 * @m_file: A victim file. Its layout will be split and used as a mirror.
1571 * @m_next: Point to the next node of the list.
1573 * Command-line arguments for mirror(s) will be parsed and stored in
1574 * a linked list that consists of this structure.
1576 struct mirror_args {
1579 struct llapi_layout *m_layout;
1581 struct mirror_args *m_next;
1586 * enum mirror_flags - Flags for extending a mirrored file.
1587 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1588 * in case the victim file(s) contains the same data as the
1589 * original mirrored file.
1590 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1591 * @MF_COMP_ID: specified component id instead of mirror id
1593 * Flags for extending a mirrored file.
1603 * mirror_create_sanity_check() - Check mirror list.
1604 * @list: A linked list that stores the mirror arguments.
1606 * This function does a sanity check on @list for creating
1609 * Return: 0 on success or a negative error code on failure.
1611 static int mirror_create_sanity_check(const char *fname,
1612 struct mirror_args *list,
1616 bool has_m_file = false;
1617 bool has_m_layout = false;
1622 if (fname && check_fname) {
1623 struct llapi_layout *layout;
1625 layout = llapi_layout_get_by_path(fname, 0);
1628 "error: %s: file '%s' couldn't get layout\n",
1633 rc = llapi_layout_sanity(layout, fname, false, true);
1635 llapi_layout_free(layout);
1638 llapi_layout_sanity_perror(rc);
1646 llapi_layout_free(list->m_layout);
1649 llapi_layout_get_by_path(list->m_file, 0);
1650 if (!list->m_layout) {
1652 "error: %s: file '%s' has no layout\n",
1653 progname, list->m_file);
1657 has_m_layout = true;
1658 if (!list->m_layout) {
1659 fprintf(stderr, "error: %s: no mirror layout\n",
1665 rc = llapi_layout_sanity(list->m_layout, fname, false, true);
1667 llapi_layout_sanity_perror(rc);
1671 list = list->m_next;
1674 if (has_m_file && has_m_layout) {
1676 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1684 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1686 __u32 mirror_flags = *(__u32 *)cbdata;
1690 rc = llapi_layout_comp_flags_get(layout, &flags);
1695 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1700 return LLAPI_LAYOUT_ITER_CONT;
1704 * mirror_create() - Create a mirrored file.
1705 * @fname: The file to be created.
1706 * @mirror_list: A linked list that stores the mirror arguments.
1708 * This function creates a mirrored file @fname with the mirror(s)
1709 * from @mirror_list.
1711 * Return: 0 on success or a negative error code on failure.
1713 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1715 struct llapi_layout *layout = NULL;
1716 struct mirror_args *cur_mirror = NULL;
1717 uint16_t mirror_count = 0;
1721 rc = mirror_create_sanity_check(fname, mirror_list, false);
1725 cur_mirror = mirror_list;
1726 while (cur_mirror) {
1727 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1729 &cur_mirror->m_flags);
1732 fprintf(stderr, "%s: failed to set mirror flags\n",
1737 for (i = 0; i < cur_mirror->m_count; i++) {
1738 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1742 "error: %s: merge layout failed: %s\n",
1743 progname, strerror(errno));
1747 mirror_count += cur_mirror->m_count;
1748 cur_mirror = cur_mirror->m_next;
1752 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1756 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1759 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1760 progname, strerror(errno));
1764 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1772 llapi_layout_free(layout);
1777 * Compare files and check lease on @fd.
1779 * \retval bytes number of bytes are the same
1781 static ssize_t mirror_file_compare(int fd, int fdv)
1783 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1785 ssize_t bytes_done = 0;
1786 ssize_t bytes_read = 0;
1788 buf = malloc(buflen * 2);
1793 if (!llapi_lease_check(fd)) {
1794 bytes_done = -EBUSY;
1798 bytes_read = read(fd, buf, buflen);
1799 if (bytes_read <= 0)
1802 if (bytes_read != read(fdv, buf + buflen, buflen))
1806 * XXX: should compute the checksum on each buffer and then
1807 * compare checksum to avoid cache collision
1809 if (memcmp(buf, buf + buflen, bytes_read))
1812 bytes_done += bytes_read;
1820 static int mirror_extend_file(const char *fname, const char *victim_file,
1821 enum mirror_flags mirror_flags)
1826 struct stat stbuf_v;
1827 struct ll_ioc_lease *data = NULL;
1830 fd = open(fname, O_RDWR);
1832 error_loc = "open source file";
1837 fdv = open(victim_file, O_RDWR);
1839 error_loc = "open target file";
1844 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1845 error_loc = "stat source or target file";
1850 if (stbuf.st_dev != stbuf_v.st_dev) {
1851 error_loc = "stat source and target file";
1856 /* mirrors should be of the same size */
1857 if (stbuf.st_size != stbuf_v.st_size) {
1858 error_loc = "file sizes don't match";
1863 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1865 error_loc = "cannot get lease";
1869 if (!(mirror_flags & MF_NO_VERIFY)) {
1871 /* mirrors should have the same contents */
1872 ret = mirror_file_compare(fd, fdv);
1873 if (ret != stbuf.st_size) {
1874 error_loc = "file busy or contents don't match";
1875 rc = ret < 0 ? ret : -EINVAL;
1880 /* Get rid of caching pages from clients */
1881 rc = llapi_file_flush(fd);
1883 error_loc = "cannot get data version";
1887 rc = llapi_file_flush(fdv);
1889 error_loc = "cannot get data version";
1893 /* Make sure we keep original atime/mtime values */
1894 rc = migrate_copy_timestamps(fd, fdv);
1896 error_loc = "cannot copy timestamp";
1900 /* Atomically put lease, merge layouts and close. */
1901 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1903 error_loc = "memory allocation";
1906 data->lil_mode = LL_LEASE_UNLCK;
1907 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1908 data->lil_count = 1;
1909 data->lil_ids[0] = fdv;
1910 rc = llapi_lease_set(fd, data);
1912 error_loc = "cannot merge layout";
1914 } else if (rc == 0) {
1916 error_loc = "lost lease lock";
1929 (void) unlink(victim_file);
1931 fprintf(stderr, "error: %s: %s: %s: %s\n",
1932 progname, fname, error_loc, strerror(-rc));
1936 static int mirror_extend_layout(char *name, struct llapi_layout *m_layout,
1937 bool inherit, uint32_t flags)
1939 struct llapi_layout *f_layout = NULL;
1940 struct ll_ioc_lease *data = NULL;
1946 f_layout = llapi_layout_get_by_path(name, 0);
1948 fprintf(stderr, "%s: cannot get layout\n", progname);
1951 rc = llapi_layout_get_last_init_comp(f_layout);
1953 fprintf(stderr, "%s: cannot get the last init comp\n",
1957 rc = llapi_layout_mirror_inherit(f_layout, m_layout);
1960 "%s: cannot inherit from the last init comp\n",
1965 llapi_layout_comp_flags_set(m_layout, flags);
1966 rc = migrate_open_files(name, MIGRATION_NONDIRECT, NULL, m_layout, &fd,
1971 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1973 error_loc = "cannot get lease";
1977 rc = migrate_nonblock(fd, fdv);
1979 llapi_lease_release(fd);
1983 /* Atomically put lease, merge layouts and close. */
1984 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1986 error_loc = "memory allocation";
1989 data->lil_mode = LL_LEASE_UNLCK;
1990 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1991 data->lil_count = 1;
1992 data->lil_ids[0] = fdv;
1993 rc = llapi_lease_set(fd, data);
1995 error_loc = "cannot merge layout";
1997 } else if (rc == 0) {
1999 error_loc = "lost lease lock";
2012 fprintf(stderr, "error: %s: %s: %s: %s\n",
2013 progname, name, error_loc, strerror(-rc));
2017 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
2018 enum mirror_flags mirror_flags)
2022 rc = mirror_create_sanity_check(fname, mirror_list, true);
2026 while (mirror_list) {
2027 if (mirror_list->m_file) {
2028 rc = mirror_extend_file(fname, mirror_list->m_file,
2031 __u32 mirror_count = mirror_list->m_count;
2033 while (mirror_count > 0) {
2034 rc = mirror_extend_layout(fname,
2035 mirror_list->m_layout,
2036 mirror_list->m_inherit,
2037 mirror_list->m_flags);
2047 mirror_list = mirror_list->m_next;
2053 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
2058 rc = llapi_layout_mirror_id_get(layout, &id);
2062 if ((__u16)id == *(__u16 *)cbdata)
2063 return LLAPI_LAYOUT_ITER_STOP;
2065 return LLAPI_LAYOUT_ITER_CONT;
2068 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
2073 rc = llapi_layout_comp_id_get(layout, &id);
2077 if (id == *(__u32 *)cbdata)
2078 return LLAPI_LAYOUT_ITER_STOP;
2080 return LLAPI_LAYOUT_ITER_CONT;
2083 static int find_mirror_id_by_pool(struct llapi_layout *layout, void *cbdata)
2085 char buf[LOV_MAXPOOLNAME + 1];
2086 struct pool_to_id_cbdata *d = (void *)cbdata;
2090 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
2093 if (strcmp(d->pool, buf))
2094 return LLAPI_LAYOUT_ITER_CONT;
2096 rc = llapi_layout_mirror_id_get(layout, &id);
2101 return LLAPI_LAYOUT_ITER_STOP;
2104 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
2106 char buf[LOV_MAXPOOLNAME + 1];
2107 struct pool_to_id_cbdata *d = (void *)cbdata;
2111 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
2114 if (strcmp(d->pool, buf))
2115 return LLAPI_LAYOUT_ITER_CONT;
2117 rc = llapi_layout_comp_id_get(layout, &id);
2122 return LLAPI_LAYOUT_ITER_STOP;
2125 struct collect_ids_data {
2131 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
2133 struct collect_ids_data *cid = cbdata;
2137 rc = llapi_layout_mirror_id_get(layout, &id);
2141 if ((__u16)id != cid->cid_exclude) {
2144 for (i = 0; i < cid->cid_count; i++) {
2145 /* already collected the mirror id */
2146 if (id == cid->cid_ids[i])
2147 return LLAPI_LAYOUT_ITER_CONT;
2149 cid->cid_ids[cid->cid_count] = id;
2153 return LLAPI_LAYOUT_ITER_CONT;
2157 * last_non_stale_mirror() - Check if a mirror is the last non-stale mirror.
2158 * @mirror_id: Mirror id to be checked.
2159 * @layout: Mirror component list.
2161 * This function checks if a mirror with specified @mirror_id is the last
2162 * non-stale mirror of a layout @layout.
2164 * Return: true or false.
2167 bool last_non_stale_mirror(__u16 mirror_id, struct llapi_layout *layout)
2169 __u16 mirror_ids[128] = { 0 };
2170 struct collect_ids_data cid = { .cid_ids = mirror_ids,
2172 .cid_exclude = mirror_id, };
2175 llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
2177 for (i = 0; i < cid.cid_count; i++) {
2178 struct llapi_resync_comp comp_array[1024] = { { 0 } };
2181 comp_size = llapi_mirror_find_stale(layout, comp_array,
2182 ARRAY_SIZE(comp_array),
2191 static int mirror_split(const char *fname, __u32 id, const char *pool,
2192 enum mirror_flags mflags, const char *victim_file)
2194 struct llapi_layout *layout;
2195 char parent[PATH_MAX];
2196 char victim[PATH_MAX];
2197 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
2199 struct ll_ioc_lease *data;
2200 uint16_t mirror_count;
2204 bool purge = true; /* delete mirror by setting fdv=fd */
2207 if (victim_file && (strcmp(fname, victim_file) == 0)) {
2209 "error %s: the source file '%s' and -f file are the same\n",
2214 /* check fname contains mirror with mirror_id/comp_id */
2215 layout = llapi_layout_get_by_path(fname, 0);
2218 "error %s: file '%s' couldn't get layout\n",
2223 rc = llapi_layout_sanity(layout, fname, false, true);
2225 llapi_layout_sanity_perror(rc);
2229 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
2232 "error %s: file '%s' couldn't get mirror count\n",
2236 if (mirror_count < 2) {
2238 "error %s: file '%s' has %d component, cannot split\n",
2239 progname, fname, mirror_count);
2243 if (mflags & MF_COMP_POOL) {
2244 struct pool_to_id_cbdata data = { .pool = pool };
2246 rc = llapi_layout_comp_iterate(layout, find_mirror_id_by_pool,
2248 mirror_id = data.id;
2249 } else if (mflags & MF_COMP_ID) {
2250 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
2251 mirror_id = mirror_id_of(id);
2253 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
2257 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
2260 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
2261 if (mflags & MF_COMP_POOL) {
2263 "error %s: file '%s' does not contain mirror with pool '%s'\n",
2264 progname, fname, pool);
2266 } else if (mflags & MF_COMP_ID) {
2268 "error %s: file '%s' does not contain mirror with comp-id %u\n",
2269 progname, fname, id);
2273 "error %s: file '%s' does not contain mirror with id %u\n",
2274 progname, fname, id);
2279 fd = open(fname, O_RDWR);
2282 "error %s: open file '%s' failed: %s\n",
2283 progname, fname, strerror(errno));
2287 /* get victim file directory pathname */
2288 if (strlen(fname) > sizeof(parent) - 1) {
2289 fprintf(stderr, "error %s: file name of '%s' too long\n",
2294 strncpy(parent, fname, sizeof(parent));
2295 ptr = strrchr(parent, '/');
2297 if (!getcwd(parent, sizeof(parent))) {
2298 fprintf(stderr, "error %s: getcwd failed: %s\n",
2299 progname, strerror(errno));
2309 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
2311 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
2318 /* use a temp file to store the splitted layout */
2319 if (mflags & MF_DESTROY) {
2320 if (last_non_stale_mirror(mirror_id, layout)) {
2323 "%s: cannot destroy the last non-stale mirror of file '%s'\n",
2329 /* don't use volatile file for mirror destroy */
2333 * try the old way to delete mirror using
2336 fdv = llapi_create_volatile_idx(parent,
2337 mdt_index, O_LOV_DELAY_CREATE);
2340 snprintf(victim, sizeof(victim), "%s.mirror~%u",
2342 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
2345 /* user specified victim file */
2346 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
2351 "error %s: create victim file failed: %s\n",
2352 progname, strerror(errno));
2356 /* get lease lock of fname */
2357 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
2360 "error %s: cannot get lease of file '%s': %d\n",
2361 progname, fname, rc);
2365 /* Atomatically put lease, split layouts and close. */
2366 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2372 data->lil_mode = LL_LEASE_UNLCK;
2373 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2374 data->lil_count = 2;
2375 data->lil_ids[0] = fdv;
2376 data->lil_ids[1] = mirror_id;
2377 rc = llapi_lease_set(fd, data);
2379 if (rc == -EINVAL && purge) {
2380 /* could be old MDS which prohibit fd==fdv */
2385 if (rc == 0) /* lost lease lock */
2388 "error %s: cannot split '%s': %s\n",
2389 progname, fname, strerror(-rc));
2401 llapi_layout_free(layout);
2406 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2407 __u16 *mirror_ids, int ids_nr);
2409 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2410 __u64 migration_flags,
2411 struct llapi_stripe_param *param,
2412 struct llapi_layout *layout)
2414 struct ll_ioc_lease *data = NULL;
2417 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2419 error_loc = "cannot get lease";
2423 /* Atomically put lease, merge layouts, resync and close. */
2424 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2426 error_loc = "memory allocation";
2429 data->lil_mode = LL_LEASE_UNLCK;
2430 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2431 data->lil_count = 1;
2432 data->lil_ids[0] = fdv;
2433 rc = llapi_lease_set(fd, data);
2435 error_loc = "cannot merge layout";
2437 } else if (rc == 0) {
2439 error_loc = "lost lease lock";
2445 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2447 error_loc = "cannot resync file";
2451 /* delete first mirror now */
2452 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2454 error_loc = "cannot delete old layout";
2462 fprintf(stderr, "error: %s: %s: %s: %s\n",
2463 progname, name, error_loc, strerror(-rc));
2464 else if (migration_flags & MIGRATION_VERBOSE)
2465 printf("%s\n", name);
2472 * Parse a string containing an target index list into an array of integers.
2474 * The input string contains a comma delimited list of individual
2475 * indices and ranges, for example "1,2-4,7". Add the indices into the
2476 * \a tgts array and remove duplicates.
2478 * \param[out] tgts array to store indices in
2479 * \param[in] size size of \a tgts array
2480 * \param[in] offset starting index in \a tgts
2481 * \param[in] arg string containing OST index list
2482 * \param[in/out] overstriping index list may contain duplicates
2484 * \retval positive number of indices in \a tgts
2485 * \retval -EINVAL unable to parse \a arg
2487 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2488 unsigned long long *pattern)
2492 int slots = size - offset;
2494 bool overstriped = false;
2500 end_of_loop = false;
2501 while (!end_of_loop) {
2502 int start_index = 0;
2505 char *endptr = NULL;
2509 ptr = strchrnul(arg, ',');
2511 end_of_loop = *ptr == '\0';
2515 start_index = strtol(arg, &endptr, 0);
2516 if (endptr == arg) /* no data at all */
2518 if (errno != 0 || start_index < -1 ||
2519 (*endptr != '-' && *endptr != '\0'))
2522 end_index = start_index;
2523 if (*endptr == '-') {
2525 end_index = strtol(endptr + 1, &endptr, 0);
2526 if (errno != 0 || *endptr != '\0' || end_index < -1)
2528 if (end_index < start_index)
2532 for (i = start_index; i <= end_index && slots > 0; i++) {
2535 /* remove duplicate */
2536 for (j = 0; j < offset; j++) {
2537 if (tgts[j] == i && pattern &&
2538 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2540 else if (tgts[j] == i)
2546 if (j == offset) { /* check complete */
2552 if (slots == 0 && i < end_index)
2560 if (!end_of_loop && ptr)
2563 if (!overstriped && pattern)
2564 *pattern = LLAPI_LAYOUT_DEFAULT;
2566 return rc < 0 ? rc : nr;
2569 struct lfs_setstripe_args {
2570 unsigned long long lsa_comp_end;
2571 unsigned long long lsa_stripe_size;
2572 unsigned long long lsa_extension_size;
2573 long long lsa_stripe_count;
2574 long long lsa_stripe_off;
2575 __u32 lsa_comp_flags;
2576 __u32 lsa_comp_neg_flags;
2577 unsigned long long lsa_pattern;
2578 unsigned int lsa_mirror_count;
2580 bool lsa_first_comp;
2581 bool lsa_extension_comp;
2583 char *lsa_pool_name;
2586 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2588 unsigned int mirror_count = lsa->lsa_mirror_count;
2589 bool first_comp = lsa->lsa_first_comp;
2591 memset(lsa, 0, sizeof(*lsa));
2593 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2594 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2595 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2596 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2597 lsa->lsa_pool_name = NULL;
2599 lsa->lsa_mirror_count = mirror_count;
2600 lsa->lsa_first_comp = first_comp;
2604 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2605 * @lsa: Stripe options to be initialized and inherited.
2607 * This function initializes stripe options in @lsa and inherit
2608 * stripe_size, stripe_count and OST pool_name options.
2612 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2614 unsigned long long stripe_size;
2615 long long stripe_count;
2616 char *pool_name = NULL;
2618 stripe_size = lsa->lsa_stripe_size;
2619 stripe_count = lsa->lsa_stripe_count;
2620 pool_name = lsa->lsa_pool_name;
2622 setstripe_args_init(lsa);
2624 lsa->lsa_stripe_size = stripe_size;
2625 lsa->lsa_stripe_count = stripe_count;
2626 lsa->lsa_pool_name = pool_name;
2629 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2631 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2632 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2633 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2634 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2635 lsa->lsa_comp_end != 0);
2638 static int lsa_args_stripe_count_check(struct lfs_setstripe_args *lsa)
2640 if (lsa->lsa_nr_tgts) {
2641 if (lsa->lsa_nr_tgts < 0 ||
2642 lsa->lsa_nr_tgts >= LOV_MAX_STRIPE_COUNT) {
2643 fprintf(stderr, "Invalid nr_tgts(%d)\n",
2649 if (lsa->lsa_stripe_count > 0 &&
2650 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2651 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2652 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2653 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2654 lsa->lsa_stripe_count,
2666 * comp_args_to_layout() - Create or extend a composite layout.
2667 * @composite: Pointer to the composite layout.
2668 * @lsa: Stripe options for the new component.
2670 * This function creates or extends a composite layout by adding a new
2671 * component with stripe options from @lsa.
2673 * When modified, adjust llapi_stripe_param_verify() if needed as well.
2675 * Return: 0 on success or an error code on failure.
2677 static int comp_args_to_layout(struct llapi_layout **composite,
2678 struct lfs_setstripe_args *lsa,
2681 struct llapi_layout *layout = *composite;
2682 uint64_t prev_end = 0;
2688 layout = llapi_layout_alloc();
2690 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2695 *composite = layout;
2696 lsa->lsa_first_comp = true;
2701 * Get current component extent, current component
2702 * must be the tail component.
2704 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2706 fprintf(stderr, "Get comp extent failed. %s\n",
2711 if (lsa->lsa_first_comp) {
2713 rc = llapi_layout_add_first_comp(layout);
2715 rc = llapi_layout_comp_add(layout);
2718 fprintf(stderr, "Add component failed. %s\n",
2724 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2726 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2727 lsa->lsa_comp_flags, strerror(errno));
2732 uint64_t comp_end = lsa->lsa_comp_end;
2735 * The extendable component is 0-length, so it can be removed
2736 * if there is insufficient space to extend it.
2738 if (lsa->lsa_extension_comp)
2739 comp_end = prev_end;
2741 rc = llapi_layout_comp_extent_set(layout, prev_end,
2744 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2745 prev_end, comp_end, strerror(errno));
2749 /* reset lsa_first_comp */
2750 lsa->lsa_first_comp = false;
2752 /* Data-on-MDT component setting */
2753 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2755 * In case of Data-on-MDT patterns the only extra option
2756 * applicable is stripe size option.
2758 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2760 "Option 'stripe-count' can't be specified with Data-on-MDT component: %lld\n",
2761 lsa->lsa_stripe_count);
2765 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2767 "Option 'stripe-size' can't be specified with Data-on-MDT component: %llu\n",
2768 lsa->lsa_stripe_size);
2772 if (lsa->lsa_nr_tgts != 0) {
2774 "Option 'ost-list' can't be specified with Data-on-MDT component: '%i'\n",
2779 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2781 "Option 'stripe-offset' can't be specified with Data-on-MDT component: %lld\n",
2782 lsa->lsa_stripe_off);
2786 if (lsa->lsa_pool_name != 0) {
2788 "Option 'pool' can't be specified with Data-on-MDT component: '%s'\n",
2789 lsa->lsa_pool_name);
2794 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2796 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2801 /* Data-on-MDT component has always single stripe up to end */
2802 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2803 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2804 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2806 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2813 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2814 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2816 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2817 rc = llapi_layout_extension_size_set(layout, size);
2819 rc = llapi_layout_stripe_size_set(layout, size);
2822 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2823 size, strerror(errno));
2827 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2829 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2830 lsa->lsa_stripe_count, strerror(errno));
2834 if (lsa->lsa_pool_name) {
2835 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2837 fprintf(stderr, "Set pool name: %s failed. %s\n",
2838 lsa->lsa_pool_name, strerror(errno));
2842 rc = llapi_layout_pool_name_set(layout, "");
2844 fprintf(stderr, "Clear pool name failed: %s\n",
2850 rc = lsa_args_stripe_count_check(lsa);
2854 if (lsa->lsa_nr_tgts > 0) {
2857 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2858 rc = llapi_layout_ost_index_set(layout, i,
2863 /* Make sure stripe offset is in OST list. */
2864 if (lsa->lsa_tgts[i] == lsa->lsa_stripe_off)
2868 fprintf(stderr, "Invalid stripe offset '%lld', not in the target list",
2869 lsa->lsa_stripe_off);
2873 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2874 lsa->lsa_stripe_off != -1) {
2875 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2878 fprintf(stderr, "Set ost index %d failed. %s\n",
2879 i, strerror(errno));
2883 /* Create the second, virtual component of extension space */
2884 if (lsa->lsa_extension_comp) {
2885 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2886 lsa->lsa_extension_comp = false;
2893 static int build_component(struct llapi_layout **layout,
2894 struct lfs_setstripe_args *lsa, bool set_extent)
2898 rc = comp_args_to_layout(layout, lsa, set_extent);
2902 if (lsa->lsa_mirror_count > 0) {
2903 rc = llapi_layout_mirror_count_set(*layout,
2904 lsa->lsa_mirror_count);
2908 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2911 lsa->lsa_mirror_count = 0;
2917 static int build_prev_component(struct llapi_layout **layout,
2918 struct lfs_setstripe_args *prev,
2919 struct lfs_setstripe_args *lsa,
2922 int extension = lsa->lsa_comp_flags & LCME_FL_EXTENSION;
2925 if (prev->lsa_stripe_size) {
2927 prev->lsa_comp_end = lsa->lsa_comp_end;
2928 prev->lsa_extension_size = lsa->lsa_extension_size;
2929 prev->lsa_extension_comp = true;
2932 rc = build_component(layout, prev, true);
2938 * Copy lsa to previous lsa;
2939 * if this is an extension component, make the previous invalid;
2942 prev->lsa_stripe_size = 0;
2949 static int build_layout_from_yaml_node(struct cYAML *node,
2950 struct llapi_layout **layout,
2951 struct lfs_setstripe_args *lsa,
2952 struct lfs_setstripe_args *prevp)
2954 struct lfs_setstripe_args prev = { 0 };
2955 __u32 *osts = lsa->lsa_tgts;
2963 string = node->cy_string;
2965 if (node->cy_type == CYAML_TYPE_OBJECT) {
2966 /* go deep to sub blocks */
2967 if (string && !strncmp(string, "component", 9) &&
2968 strncmp(string, "component0", 10) &&
2969 strncmp(string, "components", 10)) {
2970 rc = build_prev_component(layout, prevp, lsa,
2975 /* initialize lsa. */
2976 setstripe_args_init(lsa);
2977 lsa->lsa_first_comp = false;
2978 lsa->lsa_tgts = osts;
2981 rc = build_layout_from_yaml_node(node->cy_child, layout,
2986 if (!node->cy_string)
2989 /* skip leading lmm_ if present, to simplify parsing */
2990 if (strncmp(string, "lmm_", 4) == 0)
2993 if (node->cy_type == CYAML_TYPE_STRING) {
2994 if (!strcmp(string, "lcme_extent.e_end")) {
2995 if (!strcmp(node->cy_valuestring, "EOF") ||
2996 !strcmp(node->cy_valuestring, "eof"))
2997 lsa->lsa_comp_end = LUSTRE_EOF;
2998 } else if (!strcmp(string, "pool")) {
2999 lsa->lsa_pool_name = node->cy_valuestring;
3000 } else if (!strcmp(string, "pattern")) {
3001 if (!strcmp(node->cy_valuestring, "mdt"))
3002 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
3003 if (!strcmp(node->cy_valuestring,
3004 "raid0,overstriped"))
3006 LLAPI_LAYOUT_OVERSTRIPING;
3007 } else if (!strcmp(string, "lcme_flags")) {
3008 rc = comp_str2flags(node->cy_valuestring,
3009 &lsa->lsa_comp_flags,
3010 &lsa->lsa_comp_neg_flags);
3014 * Only template flags have meaning in
3015 * the layout for a new file
3017 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
3019 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
3020 if (!strcmp(string, "lcm_mirror_count")) {
3021 lsa->lsa_mirror_count = node->cy_valueint;
3022 } else if (!strcmp(string, "lcme_extent.e_start")) {
3023 if (node->cy_valueint == 0)
3024 lsa->lsa_first_comp = true;
3025 } else if (!strcmp(string, "lcme_extent.e_end")) {
3026 if (node->cy_valueint == -1)
3027 lsa->lsa_comp_end = LUSTRE_EOF;
3029 lsa->lsa_comp_end = node->cy_valueint;
3030 } else if (!strcmp(string, "stripe_count")) {
3031 lsa->lsa_stripe_count = node->cy_valueint;
3032 } else if (!strcmp(string, "stripe_size")) {
3033 lsa->lsa_stripe_size = node->cy_valueint;
3034 } else if (!strcmp(string, "extension_size")) {
3035 lsa->lsa_extension_size = node->cy_valueint;
3036 lsa->lsa_extension_comp = true;
3037 } else if (!strcmp(string, "stripe_offset")) {
3038 lsa->lsa_stripe_off = node->cy_valueint;
3039 } else if (!strcmp(string, "l_ost_idx")) {
3040 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
3045 node = node->cy_next;
3048 if (prevp == &prev) {
3049 rc = build_prev_component(layout, prevp, lsa, true);
3053 if (!(lsa->lsa_comp_flags & LCME_FL_EXTENSION))
3054 rc = build_component(layout, lsa, *layout != NULL);
3060 static int lfs_comp_create_from_yaml(char *template,
3061 struct llapi_layout **layout,
3062 struct lfs_setstripe_args *lsa,
3065 struct cYAML *tree = NULL, *err_rc = NULL;
3068 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
3070 fprintf(stderr, "%s: cannot parse YAML file %s\n",
3071 progname, template);
3072 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
3073 "can't parse", &err_rc);
3074 cYAML_print_tree2file(stderr, err_rc);
3075 cYAML_free_tree(err_rc);
3080 /* initialize lsa for plain file */
3081 setstripe_args_init(lsa);
3082 lsa->lsa_tgts = osts;
3084 rc = build_layout_from_yaml_node(tree, layout, lsa, NULL);
3086 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
3087 progname, template);
3090 /* clean clean lsa */
3091 setstripe_args_init(lsa);
3095 cYAML_free_tree(tree);
3100 * Get the extension size from the next (SEL) component and extend the
3101 * current component on it. The start of the next component is to be
3104 * \param[in] layout the current layout
3105 * \param[in] start the start of the current component
3106 * \param[in,out] end the end of the current component
3107 * \param[in] offset the offset to adjust the end position to instead of
3110 * \retval 0 - extended successfully
3111 * \retval < 0 - error
3113 static int layout_extend_comp(struct llapi_layout *layout,
3114 uint64_t start, uint64_t *end,
3117 uint64_t size, next_start, next_end;
3120 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
3123 "%s setstripe: cannot move component cursor: %s\n",
3124 progname, strerror(errno));
3129 * Even if the @size will not be used below, this will fail if
3130 * this is not a SEL component - a good confirmation we are
3131 * working on right components.
3133 rc = llapi_layout_extension_size_get(layout, &size);
3136 "%s setstripe: cannot get component ext size: %s\n",
3137 progname, strerror(errno));
3141 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
3143 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
3144 progname, strerror(errno));
3148 next_start += offset ?: size;
3149 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
3151 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
3152 progname, strerror(errno));
3156 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
3159 "%s setstripe: cannot move component cursor: %s\n",
3160 progname, strerror(errno));
3164 *end += offset ?: size;
3165 rc = llapi_layout_comp_extent_set(layout, start, *end);
3167 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
3168 progname, strerror(errno));
3176 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
3177 * end of the last component in the existing file, and adjust the
3178 * first extent start of the components to be added accordingly.
3180 * In the create mode, we need to check if the first component is an extendable
3181 * SEL component and extend its length to the extension size (first component
3182 * of the PFL file is initialised at the create time, cannot be 0-lenght.
3184 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
3187 struct llapi_layout *head;
3188 uint64_t start = 0, prev_end = 0;
3192 if (!layout || !(comp_add || llapi_layout_is_composite(layout)))
3197 head = llapi_layout_get_by_path(fname, 0);
3200 "%s setstripe: cannot read layout from '%s': %s\n",
3201 progname, fname, strerror(errno));
3203 } else if (errno == ENODATA) {
3205 * file without LOVEA, this component-add will be turned
3206 * into a component-create.
3208 llapi_layout_free(head);
3212 * the new layout will be added to an empty one, it
3213 * still needs to be adjusted below
3217 } else if (!llapi_layout_is_composite(head)) {
3219 "%s setstripe: '%s' not a composite file\n",
3221 llapi_layout_free(head);
3225 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
3228 "%s setstripe: cannot get prev extent: %s\n",
3229 progname, strerror(errno));
3230 llapi_layout_free(head);
3234 llapi_layout_free(head);
3238 /* Make sure we use the first component of the layout to be added. */
3239 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
3242 "%s setstripe: cannot move component cursor: %s\n",
3243 progname, strerror(errno));
3247 rc = llapi_layout_comp_extent_get(layout, &start, &end);
3249 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
3250 progname, strerror(errno));
3254 if (start == 0 && end == 0) {
3255 rc = layout_extend_comp(layout, start, &end,
3256 comp_add ? prev_end : 0);
3261 if (start > prev_end || end < prev_end) {
3263 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
3264 progname, start, end, prev_end);
3268 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
3271 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
3272 progname, prev_end, end, strerror(errno));
3279 static int mirror_adjust_first_extents(struct mirror_args *list)
3287 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
3290 list = list->m_next;
3296 static inline bool arg_is_eof(char *arg)
3298 return !strncmp(arg, "-1", strlen("-1")) ||
3299 !strncmp(arg, "EOF", strlen("EOF")) ||
3300 !strncmp(arg, "eof", strlen("eof"));
3304 * lfs_mirror_alloc() - Allocate a mirror argument structure.
3306 * Return: Valid mirror_args pointer on success and
3307 * NULL if memory allocation fails.
3309 static struct mirror_args *lfs_mirror_alloc(void)
3311 struct mirror_args *mirror = NULL;
3314 mirror = calloc(1, sizeof(*mirror));
3316 mirror->m_inherit = false;
3327 * lfs_mirror_free() - Free memory allocated for a mirror argument
3329 * @mirror: Previously allocated mirror argument structure by
3330 * lfs_mirror_alloc().
3332 * Free memory allocated for @mirror.
3336 static void lfs_mirror_free(struct mirror_args *mirror)
3338 if (mirror->m_layout)
3339 llapi_layout_free(mirror->m_layout);
3344 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
3345 * @mirror_list: Previously allocated mirror list.
3347 * Free memory allocated for @mirror_list.
3351 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
3353 struct mirror_args *next_mirror = NULL;
3355 while (mirror_list) {
3356 next_mirror = mirror_list->m_next;
3357 lfs_mirror_free(mirror_list);
3358 mirror_list = next_mirror;
3370 LFS_COMP_NO_VERIFY_OPT,
3372 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
3374 LFS_MIRROR_STATE_OPT,
3376 LFS_MIRROR_INDEX_OPT,
3377 LFS_LAYOUT_FOREIGN_OPT,
3385 static int lfs_setstripe_internal(int argc, char **argv,
3386 enum setstripe_origin opc)
3388 struct lfs_setstripe_args lsa = { 0 };
3389 struct llapi_stripe_param *param = NULL;
3390 struct find_param migrate_mdt_param = {
3400 unsigned long long size_units = 1;
3401 bool migrate_mode = false;
3402 bool migrate_mdt_mode = false;
3403 bool setstripe_mode = false;
3404 bool migration_block = false;
3405 __u64 migration_flags = 0;
3406 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
3407 int comp_del = 0, comp_set = 0;
3410 struct llapi_layout *layout = NULL;
3411 struct llapi_layout **lpp = &layout;
3412 bool mirror_mode = false;
3413 bool has_m_file = false;
3414 __u32 mirror_count = 0;
3415 enum mirror_flags mirror_flags = 0;
3416 struct mirror_args *mirror_list = NULL;
3417 struct mirror_args *new_mirror = NULL;
3418 struct mirror_args *last_mirror = NULL;
3419 __u16 mirror_id = 0;
3421 bool from_yaml = false;
3422 bool from_copy = false;
3423 char *template = NULL;
3424 bool foreign_mode = false;
3426 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
3427 char *mode_opt = NULL;
3428 mode_t previous_umask = 0;
3429 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
3431 struct option long_opts[] = {
3432 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
3433 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3434 /* --block is only valid in migrate mode */
3435 { .val = 'b', .name = "block", .has_arg = no_argument },
3436 /* find { .val = 'B', .name = "btime", .has_arg = required_argument }*/
3437 { .val = LFS_COMP_ADD_OPT,
3438 .name = "comp-add", .has_arg = no_argument },
3439 { .val = LFS_COMP_ADD_OPT,
3440 .name = "component-add", .has_arg = no_argument },
3441 { .val = LFS_COMP_DEL_OPT,
3442 .name = "comp-del", .has_arg = no_argument },
3443 { .val = LFS_COMP_DEL_OPT,
3444 .name = "component-del", .has_arg = no_argument },
3445 { .val = LFS_COMP_FLAGS_OPT,
3446 .name = "comp-flags", .has_arg = required_argument },
3447 { .val = LFS_COMP_FLAGS_OPT,
3448 .name = "component-flags",
3449 .has_arg = required_argument },
3450 { .val = LFS_COMP_SET_OPT,
3451 .name = "comp-set", .has_arg = no_argument },
3452 { .val = LFS_COMP_SET_OPT,
3453 .name = "component-set",
3454 .has_arg = no_argument},
3455 { .val = LFS_COMP_NO_VERIFY_OPT,
3456 .name = "no-verify", .has_arg = no_argument},
3457 { .val = LFS_LAYOUT_FLAGS_OPT,
3458 .name = "flags", .has_arg = required_argument},
3459 { .val = LFS_LAYOUT_FOREIGN_OPT,
3460 .name = "foreign", .has_arg = optional_argument},
3461 { .val = LFS_MIRROR_ID_OPT,
3462 .name = "mirror-id", .has_arg = required_argument},
3463 { .val = LFS_MODE_OPT,
3464 .name = "mode", .has_arg = required_argument},
3465 { .val = LFS_LAYOUT_COPY,
3466 .name = "copy", .has_arg = required_argument},
3467 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
3468 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
3469 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
3470 { .val = 'C', .name = "overstripe-count",
3471 .has_arg = required_argument},
3472 { .val = 'd', .name = "delete", .has_arg = no_argument},
3473 { .val = 'd', .name = "destroy", .has_arg = no_argument},
3474 /* --non-direct is only valid in migrate mode */
3475 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
3476 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
3477 { .val = 'E', .name = "component-end",
3478 .has_arg = required_argument},
3479 { .val = 'f', .name = "file", .has_arg = required_argument },
3480 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3481 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
3482 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3483 { .val = 'h', .name = "help", .has_arg = no_argument },
3484 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
3485 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
3486 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
3487 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
3488 { .val = 'I', .name = "component-id", .has_arg = required_argument},
3489 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
3490 { .val = 'L', .name = "layout", .has_arg = required_argument },
3491 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3492 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3493 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3494 /* --non-block is only valid in migrate mode */
3495 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3496 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3497 { .val = 'o', .name = "ost", .has_arg = required_argument },
3498 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3499 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3500 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3502 { .val = 'p', .name = "pool", .has_arg = required_argument },
3503 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3504 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3505 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3506 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3507 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3508 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3509 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3510 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3511 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3512 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3513 /* --verbose is only valid in migrate mode */
3514 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3515 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3516 /* dirstripe { .val = 'X',.name = "max-inherit",.has_arg = required_argument }*/
3517 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3518 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3519 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3522 setstripe_args_init(&lsa);
3524 migrate_mode = (opc == SO_MIGRATE);
3525 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3526 setstripe_mode = (opc == SO_SETSTRIPE);
3527 if (opc == SO_MIRROR_DELETE) {
3529 mirror_flags = MF_DESTROY;
3532 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3534 while ((c = getopt_long(argc, argv,
3535 "bc:C:dDE:f:hH:i:I:m:N::no:p:L:s:S:vx:y:z:",
3536 long_opts, NULL)) >= 0) {
3542 case LFS_COMP_ADD_OPT:
3545 case LFS_COMP_DEL_OPT:
3548 case LFS_COMP_FLAGS_OPT:
3549 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3550 &lsa.lsa_comp_neg_flags);
3553 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3555 "%s: inverted flags are not supported\n",
3560 case LFS_COMP_SET_OPT:
3563 case LFS_COMP_NO_VERIFY_OPT:
3564 mirror_flags |= MF_NO_VERIFY;
3566 case LFS_MIRROR_ID_OPT: {
3567 unsigned long int id;
3570 id = strtoul(optarg, &end, 0);
3571 if (errno != 0 || *end != '\0' || id == 0 ||
3574 "%s %s: invalid mirror ID '%s'\n",
3575 progname, argv[0], optarg);
3579 mirror_id = (__u16)id;
3582 case LFS_LAYOUT_FLAGS_OPT: {
3585 /* check for numeric flags (foreign and mirror cases) */
3586 if (setstripe_mode && !mirror_mode && !last_mirror) {
3588 flags = strtoul(optarg, &end, 16);
3589 if (errno != 0 || *end != '\0' ||
3590 flags >= UINT32_MAX) {
3592 "%s %s: invalid hex flags '%s'\n",
3593 progname, argv[0], optarg);
3596 if (!foreign_mode) {
3598 "%s %s: hex flags must be specified with --foreign option\n",
3605 if (!mirror_mode || !last_mirror) {
3607 "error: %s: --flags must be specified with --mirror-count|-N option\n",
3612 result = comp_str2flags(optarg, &last_mirror->m_flags,
3619 "%s: inverted flags are not supported\n",
3624 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3626 "%s: unsupported mirror flags: %s\n",
3633 case LFS_LAYOUT_FOREIGN_OPT:
3635 /* check pure numeric */
3636 type = strtoul(optarg, &end, 0);
3639 type = check_foreign_type_name(optarg);
3640 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3642 "%s %s: unrecognized foreign type '%s'\n",
3647 } else if (type >= UINT32_MAX) {
3649 "%s %s: invalid foreign type '%s'\n",
3650 progname, argv[0], optarg);
3654 foreign_mode = true;
3659 mode = strtoul(mode_opt, &end, 8);
3662 "%s %s: bad mode '%s'\n",
3663 progname, argv[0], mode_opt);
3666 previous_umask = umask(0);
3669 case LFS_LAYOUT_COPY:
3674 if (!migrate_mode) {
3676 "%s %s: -b|--block valid only for migrate command\n",
3680 migration_block = true;
3683 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3685 "%s %s: -C|--overstripe-count incompatible with DoM layout\n",
3689 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3693 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3694 if (errno != 0 || *end != '\0'||
3695 lsa.lsa_stripe_count < -1 ||
3696 lsa.lsa_stripe_count > LOV_MAX_STRIPE_COUNT) {
3698 "%s %s: invalid stripe count '%s'\n",
3699 progname, argv[0], optarg);
3703 if (lsa.lsa_stripe_count == -1)
3704 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3707 /* delete the default striping pattern */
3709 if (opc == SO_MIRROR_SPLIT) {
3712 "%s %s: -d cannot used with -f\n",
3716 mirror_flags |= MF_DESTROY;
3720 if (!migrate_mode) {
3722 "%s %s: -D|--non-direct is valid only for migrate command\n",
3726 migration_flags |= MIGRATION_NONDIRECT;
3729 if (lsa.lsa_comp_end != 0) {
3730 result = comp_args_to_layout(lpp, &lsa, true);
3732 fprintf(stderr, "%s: invalid layout\n",
3737 setstripe_args_init_inherit(&lsa);
3740 if (arg_is_eof(optarg)) {
3741 lsa.lsa_comp_end = LUSTRE_EOF;
3743 result = llapi_parse_size(optarg,
3746 /* assume units of KB if too small */
3747 if (lsa.lsa_comp_end < 4096)
3748 lsa.lsa_comp_end *= 1024;
3750 lsa.lsa_comp_end & (LOV_MIN_STRIPE_SIZE - 1)) {
3752 "%s %s: invalid component end '%s'\n",
3753 progname, argv[0], optarg);
3759 if (!migrate_mode) {
3761 "--mdt-hash is valid only for migrate command\n");
3765 lsa.lsa_pattern = check_hashtype(optarg);
3766 if (lsa.lsa_pattern == 0) {
3768 "%s %s: bad stripe hash type '%s'\n",
3769 progname, argv[0], optarg);
3775 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3776 if (errno != 0 || *end != '\0' ||
3777 lsa.lsa_stripe_off < -1 ||
3778 lsa.lsa_stripe_off > LOV_V1_INSANE_STRIPE_COUNT) {
3780 "%s %s: invalid stripe offset '%s'\n",
3781 progname, argv[0], optarg);
3784 if (lsa.lsa_stripe_off == -1)
3785 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3788 comp_id = strtoul(optarg, &end, 0);
3789 if (*end != '\0' || comp_id == 0 ||
3790 comp_id > LCME_ID_MAX) {
3792 "%s %s: invalid component ID '%s'\n",
3793 progname, argv[0], optarg);
3798 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3800 "error: %s: invalid option: %s\n",
3801 progname, argv[optopt + 1]);
3804 if (opc == SO_MIRROR_EXTEND) {
3807 "error: %s: '-N' must exist in front of '%s'\n",
3808 progname, argv[optopt + 1]);
3811 last_mirror->m_file = optarg;
3812 last_mirror->m_count = 1;
3816 mirror_list = lfs_mirror_alloc();
3817 mirror_list->m_file = optarg;
3822 if (strcmp(argv[optind - 1], "mdt") == 0) {
3823 /* Can be only the first component */
3827 "error: 'mdt' layout can be only the first one\n");
3830 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3833 "error: 'mdt' layout size is too big\n");
3836 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3837 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3840 "error: layout '%s' is unknown, supported layouts are: 'mdt', 'raid0'\n",
3846 if (!migrate_mode) {
3848 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3852 migrate_mdt_mode = true;
3853 lsa.lsa_nr_tgts = parse_targets(tgts,
3854 sizeof(tgts) / sizeof(__u32),
3855 lsa.lsa_nr_tgts, optarg, NULL);
3856 if (lsa.lsa_nr_tgts < 0) {
3858 "%s: invalid MDT target(s) '%s'\n",
3863 lsa.lsa_tgts = tgts;
3864 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3865 lsa.lsa_stripe_off = tgts[0];
3868 if (!migrate_mode) {
3870 "%s %s: -n|--non-block valid only for migrate command\n",
3874 migration_flags |= MIGRATION_NONBLOCK;
3877 if (opc == SO_SETSTRIPE) {
3878 opc = SO_MIRROR_CREATE;
3884 mirror_count = strtoul(optarg, &end, 0);
3885 if (errno != 0 || *end != '\0' ||
3886 mirror_count == 0 ||
3887 mirror_count > LUSTRE_MIRROR_COUNT_MAX) {
3889 "error: %s: bad mirror count: %s\n",
3896 new_mirror = lfs_mirror_alloc();
3897 new_mirror->m_count = mirror_count;
3900 mirror_list = new_mirror;
3903 /* wrap up last mirror */
3904 if (!setstripe_args_specified(&lsa))
3905 last_mirror->m_inherit = true;
3906 if (lsa.lsa_comp_end == 0)
3907 lsa.lsa_comp_end = LUSTRE_EOF;
3909 result = comp_args_to_layout(lpp, &lsa, true);
3911 lfs_mirror_free(new_mirror);
3915 setstripe_args_init_inherit(&lsa);
3917 last_mirror->m_next = new_mirror;
3920 last_mirror = new_mirror;
3921 lpp = &last_mirror->m_layout;
3924 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3925 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3927 "warning: '--ost-list' is deprecated, use '--ost' instead\n");
3929 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3931 "%s %s: -o|--ost incompatible with DoM layout\n",
3936 * -o allows overstriping, and must note it because
3937 * parse_targets is shared with MDT striping, which
3938 * does not allow duplicates
3940 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3941 lsa.lsa_nr_tgts = parse_targets(tgts,
3942 sizeof(tgts) / sizeof(__u32),
3943 lsa.lsa_nr_tgts, optarg,
3945 if (lsa.lsa_nr_tgts < 0) {
3947 "%s %s: invalid OST target(s) '%s'\n",
3948 progname, argv[0], optarg);
3952 lsa.lsa_tgts = tgts;
3953 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3954 lsa.lsa_stripe_off = tgts[0];
3959 lsa.lsa_pool_name = optarg;
3961 if (strlen(lsa.lsa_pool_name) == 0 ||
3962 strncmp(lsa.lsa_pool_name, "none",
3963 LOV_MAXPOOLNAME) == 0)
3964 lsa.lsa_pool_name = NULL;
3967 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3969 /* assume units of KB if too small to be valid */
3970 if (lsa.lsa_stripe_size < 4096)
3971 lsa.lsa_stripe_size *= 1024;
3973 lsa.lsa_stripe_size & (LOV_MIN_STRIPE_SIZE - 1)) {
3975 "%s %s: invalid stripe size '%s'\n",
3976 progname, argv[0], optarg);
3981 if (!migrate_mode) {
3983 "%s %s: -v|--verbose valid only for migrate command\n",
3987 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3988 migration_flags = MIGRATION_VERBOSE;
3998 result = llapi_parse_size(optarg,
3999 &lsa.lsa_extension_size,
4003 "%s %s: invalid extension size '%s'\n",
4004 progname, argv[0], optarg);
4008 lsa.lsa_extension_comp = true;
4011 fprintf(stderr, "%s: unrecognized option '%s'\n",
4012 progname, argv[optind - 1]);
4018 fname = argv[optind];
4020 if (optind == argc) {
4021 fprintf(stderr, "%s %s: FILE must be specified\n",
4026 /* lfs migrate $filename should keep the file's layout by default */
4027 if (migrate_mode && !setstripe_args_specified(&lsa) && !layout &&
4031 if (xattr && !foreign_mode) {
4033 * only print a warning as this is harmless and will be ignored
4036 "%s %s: xattr has been specified for non-foreign layout\n",
4038 } else if (foreign_mode && !xattr) {
4040 "%s %s: xattr must be provided in foreign mode\n",
4045 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
4046 comp_set || comp_id || delete || from_copy ||
4047 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
4050 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
4055 if (mirror_mode && mirror_count == 0) {
4057 "error: %s: --mirror-count|-N option is required\n",
4064 if (!setstripe_args_specified(&lsa))
4065 last_mirror->m_inherit = true;
4066 if (lsa.lsa_comp_end == 0)
4067 lsa.lsa_comp_end = LUSTRE_EOF;
4070 if (lsa.lsa_comp_end != 0) {
4071 result = comp_args_to_layout(lpp, &lsa, true);
4073 fprintf(stderr, "error: %s: invalid layout\n",
4080 if (mirror_flags & MF_NO_VERIFY) {
4081 if (opc != SO_MIRROR_EXTEND) {
4083 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
4087 } else if (!has_m_file) {
4089 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
4096 if (comp_set && !comp_id && !lsa.lsa_pool_name) {
4098 "%s %s: --component-set doesn't have component-id set\n",
4103 if ((delete + comp_set + comp_del + comp_add) > 1) {
4105 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
4110 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
4111 lsa.lsa_comp_flags != 0 || layout != NULL)) {
4113 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
4118 if ((comp_set || comp_del) &&
4119 (setstripe_args_specified(&lsa) || layout != NULL)) {
4121 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
4126 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
4128 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
4133 if (comp_add || comp_del) {
4136 result = lstat(fname, &st);
4137 if (result == 0 && S_ISDIR(st.st_mode)) {
4139 "%s setstripe: cannot use --component-add or --component-del for directory\n",
4146 "error: %s: can't use --component-add or --component-del for mirror operation\n",
4155 "%s %s: option -E must be specified with --component-add\n",
4161 if (from_yaml && from_copy) {
4163 "%s: can't specify --yaml and --copy together\n",
4168 if ((from_yaml || from_copy) &&
4169 (setstripe_args_specified(&lsa) || layout != NULL)) {
4171 "error: %s: can't specify --yaml or --copy with -c, -S, -i, -o, -p or -E options.\n",
4176 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
4178 "%s %s: options --non-block and --block are mutually exclusive\n",
4183 if (!comp_del && !comp_set && opc != SO_MIRROR_SPLIT &&
4184 opc != SO_MIRROR_DELETE && comp_id != 0) {
4186 "%s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
4191 if (migrate_mdt_mode) {
4192 struct lmv_user_md *lmu;
4194 /* initialize migrate mdt parameters */
4195 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
4196 LMV_USER_MAGIC_SPECIFIC));
4199 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
4200 progname, argv[0], strerror(ENOMEM));
4204 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
4205 lmu->lum_stripe_count = lsa.lsa_stripe_count;
4206 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
4208 "%s %s: migrate should specify MDT index\n",
4213 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
4214 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
4215 lmu->lum_hash_type = lsa.lsa_pattern;
4217 lmu->lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
4218 if (lsa.lsa_pool_name) {
4219 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
4220 sizeof(lmu->lum_pool_name) - 1);
4221 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
4223 if (lsa.lsa_nr_tgts > 1) {
4226 if (lsa.lsa_stripe_count > 0 &&
4227 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
4228 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
4230 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
4231 progname, lsa.lsa_stripe_count,
4237 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
4238 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
4239 for (i = 0; i < lsa.lsa_nr_tgts; i++)
4240 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
4242 lmu->lum_magic = LMV_USER_MAGIC;
4245 migrate_mdt_param.fp_lmv_md = lmu;
4246 migrate_mdt_param.fp_migrate = 1;
4247 } else if (!layout) {
4248 if (lsa_args_stripe_count_check(&lsa))
4251 /* initialize stripe parameters */
4252 param = calloc(1, offsetof(typeof(*param),
4253 lsp_osts[lsa.lsa_nr_tgts]));
4256 "%s %s: cannot allocate memory for parameters: %s\n",
4257 progname, argv[0], strerror(ENOMEM));
4262 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
4263 param->lsp_stripe_size = lsa.lsa_stripe_size;
4264 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
4265 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
4266 param->lsp_stripe_count = -1;
4268 param->lsp_stripe_count = lsa.lsa_stripe_count;
4270 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
4271 param->lsp_stripe_offset = -1;
4273 param->lsp_stripe_offset = lsa.lsa_stripe_off;
4274 param->lsp_stripe_pattern =
4275 llapi_pattern_to_lov(lsa.lsa_pattern);
4276 if (param->lsp_stripe_pattern == EINVAL) {
4277 fprintf(stderr, "error: %s: invalid stripe pattern\n",
4282 param->lsp_pool = lsa.lsa_pool_name;
4283 param->lsp_is_specific = false;
4285 if (lsa.lsa_nr_tgts > 0) {
4286 param->lsp_is_specific = true;
4287 param->lsp_stripe_count = lsa.lsa_nr_tgts;
4288 memcpy(param->lsp_osts, tgts,
4289 sizeof(*tgts) * lsa.lsa_nr_tgts);
4294 /* generate a layout from a YAML template */
4295 result = lfs_comp_create_from_yaml(template, &layout,
4299 "error: %s: can't create composite layout from template file %s\n",
4305 if (layout != NULL || mirror_list != NULL) {
4307 result = mirror_adjust_first_extents(mirror_list);
4309 result = layout_adjust_first_extent(fname, layout,
4311 if (result == -ENODATA)
4313 else if (result != 0) {
4314 fprintf(stderr, "error: %s: invalid layout\n",
4320 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
4322 layout = llapi_layout_get_by_path(template ?: fname, 0);
4325 "%s: can't create composite layout from file %s: %s\n",
4326 progname, template ?: fname,
4333 if (migrate_mdt_mode) {
4334 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
4335 } else if (migrate_mode) {
4336 result = lfs_migrate(fname, migration_flags, param,
4338 } else if (comp_set != 0) {
4339 result = lfs_component_set(fname, comp_id,
4342 lsa.lsa_comp_neg_flags);
4343 } else if (comp_del != 0) {
4344 result = lfs_component_del(fname, comp_id,
4346 lsa.lsa_comp_neg_flags);
4347 } else if (comp_add != 0) {
4348 result = lfs_component_add(fname, layout);
4349 } else if (opc == SO_MIRROR_CREATE) {
4350 result = mirror_create(fname, mirror_list);
4351 } else if (opc == SO_MIRROR_EXTEND) {
4352 result = mirror_extend(fname, mirror_list,
4354 } else if (opc == SO_MIRROR_SPLIT || opc == SO_MIRROR_DELETE) {
4355 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
4357 "%s: no mirror id, component id, or pool name specified to delete from '%s'\n",
4361 if (lsa.lsa_pool_name)
4362 mirror_flags |= MF_COMP_POOL;
4363 else if (mirror_id != 0)
4364 comp_id = mirror_id;
4366 mirror_flags |= MF_COMP_ID;
4367 if (has_m_file && !strcmp(fname, mirror_list->m_file)) {
4369 "%s: the file specified by -f cannot be same as the source file '%s'\n",
4373 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
4375 has_m_file ? mirror_list->m_file :
4377 } else if (layout) {
4378 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
4384 } else if (foreign_mode) {
4385 result = llapi_file_create_foreign(fname, mode, type,
4392 result = llapi_file_open_param(fname,
4401 /* Save the first error encountered. */
4409 umask(previous_umask);
4412 free(migrate_mdt_param.fp_lmv_md);
4413 llapi_layout_free(layout);
4414 lfs_mirror_list_free(mirror_list);
4419 llapi_layout_free(layout);
4420 lfs_mirror_list_free(mirror_list);
4424 static int lfs_poollist(int argc, char **argv)
4429 return llapi_poollist(argv[1]);
4432 #define FP_DEFAULT_TIME_MARGIN (24 * 60 * 60)
4433 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
4438 char *endptr = "AD";
4443 else if (str[0] == '-')
4449 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
4450 long long val = strtoll(timebuf, &endptr, 0);
4455 unit *= 52; /* 52 weeks + 1 day below */
4456 case 'w': /* fallthrough */
4458 if (param->fp_time_margin == FP_DEFAULT_TIME_MARGIN)
4459 param->fp_time_margin *= (1 + unit / 52);
4460 unit += (*endptr == 'y'); /* +1 day for 365 days/year */
4461 case '\0': /* days are default unit if none used */
4462 case 'd': /* fallthrough */
4464 case 'h': /* fallthrough */
4466 case 'm': /* fallthrough */
4468 case 's': /* fallthrough */
4470 /* don't need to multiply by 1 for seconds */
4473 "%s find: bad time string '%s': %s\n",
4474 progname, timebuf, strerror(EINVAL));
4478 if (param->fp_time_margin == 0 ||
4479 (*endptr && unit < param->fp_time_margin))
4480 param->fp_time_margin = unit;
4487 fprintf(stderr, "%s find: bad time '%s': too large\n",
4497 static int str2quotaid(__u32 *id, const char *arg)
4499 unsigned long int projid_tmp = 0;
4500 char *endptr = NULL;
4502 projid_tmp = strtoul(arg, &endptr, 10);
4503 if (*endptr != '\0')
4505 if (projid_tmp >= UINT32_MAX)
4512 static int name2uid(unsigned int *id, const char *name)
4514 struct passwd *passwd;
4516 passwd = getpwnam(name);
4519 *id = passwd->pw_uid;
4524 static int name2gid(unsigned int *id, const char *name)
4526 struct group *group;
4528 group = getgrnam(name);
4531 *id = group->gr_gid;
4536 static inline int name2projid(unsigned int *id, const char *name)
4541 static int uid2name(char **name, unsigned int id)
4543 struct passwd *passwd;
4545 passwd = getpwuid(id);
4548 *name = passwd->pw_name;
4553 static inline int gid2name(char **name, unsigned int id)
4555 struct group *group;
4557 group = getgrgid(id);
4560 *name = group->gr_name;
4565 static int name2layout(__u32 *layout, char *name)
4567 char *ptr, *layout_name;
4570 for (ptr = name; ; ptr = NULL) {
4571 layout_name = strtok(ptr, ",");
4574 if (strcmp(layout_name, "released") == 0)
4575 *layout |= LOV_PATTERN_F_RELEASED;
4576 else if (strcmp(layout_name, "raid0") == 0)
4577 *layout |= LOV_PATTERN_RAID0;
4578 else if (strcmp(layout_name, "mdt") == 0)
4579 *layout |= LOV_PATTERN_MDT;
4580 else if (strcmp(layout_name, "overstriping") == 0)
4581 *layout |= LOV_PATTERN_OVERSTRIPING;
4588 static int parse_symbolic(const char *input, mode_t *outmode, const char **end)
4591 int user, group, other;
4596 mode_t previous_flags;
4598 user = group = other = 0;
4618 user = group = other = 1;
4629 who = user || group || other;
4632 usermask = umask(0022);
4637 if (*input == '-' || *input == '+' || *input == '=')
4640 /* operation is required */
4643 /* get the flags in *outmode */
4646 previous_flags = (*outmode & 0700);
4647 perm |= user ? previous_flags : 0;
4648 perm |= group ? (previous_flags >> 3) : 0;
4649 perm |= other ? (previous_flags >> 6) : 0;
4653 previous_flags = (*outmode & 0070);
4654 perm |= user ? (previous_flags << 3) : 0;
4655 perm |= group ? previous_flags : 0;
4656 perm |= other ? (previous_flags >> 3) : 0;
4660 previous_flags = (*outmode & 0007);
4661 perm |= user ? (previous_flags << 6) : 0;
4662 perm |= group ? (previous_flags << 3) : 0;
4663 perm |= other ? previous_flags : 0;
4670 /* this part is optional,
4671 * if empty perm = 0 and *outmode is not modified
4678 perm |= user ? 0400 : 0;
4679 perm |= group ? 0040 : 0;
4680 perm |= other ? 0004 : 0;
4681 /* set read permission for uog except for umask's
4684 perm |= who ? 0 : (0444 & ~usermask);
4687 perm |= user ? 0200 : 0;
4688 perm |= group ? 0020 : 0;
4689 perm |= other ? 0002 : 0;
4690 /* set write permission for uog except for umask'
4693 perm |= who ? 0 : (0222 & ~usermask);
4696 perm |= user ? 0100 : 0;
4697 perm |= group ? 0010 : 0;
4698 perm |= other ? 0001 : 0;
4699 /* set execute permission for uog except for umask'
4702 perm |= who ? 0 : (0111 & ~usermask);
4706 * Adds execute permission to 'u', 'g' and/or 'g' if
4707 * specified and either 'u', 'g' or 'o' already has
4708 * execute permissions.
4710 if ((*outmode & 0111) != 0) {
4711 perm |= user ? 0100 : 0;
4712 perm |= group ? 0010 : 0;
4713 perm |= other ? 0001 : 0;
4714 perm |= !who ? 0111 : 0;
4718 /* s is ignored if o is given, but it's not an error */
4719 if (other && !group && !user)
4721 perm |= user ? S_ISUID : 0;
4722 perm |= group ? S_ISGID : 0;
4725 /* 't' should be used when 'a' is given
4728 perm |= (!who || all) ? S_ISVTX : 0;
4729 /* using ugo with t is not an error */
4740 /* uog flags should be only one character long */
4741 if (previous_flags && (*input != '\0' && *input != ','))
4746 /* remove the flags from outmode */
4750 /* add the flags to outmode */
4754 /* set the flags of outmode to perm */
4764 static int str2mode_t(const char *input, mode_t *outmode)
4771 if (*input >= '0' && *input <= '7') {
4772 /* parse octal representation */
4777 /* look for invalid digits in octal representation */
4778 while (isdigit(*iter))
4783 *outmode = strtoul(input, &end, 8);
4785 if (errno != 0 || *outmode > 07777) {
4790 } else if (*input == '8' || *input == '9') {
4791 /* error: invalid octal number */
4794 /* parse coma seperated list of symbolic representation */
4803 rc = parse_symbolic(input, outmode, &end);
4808 } while (*end == ',');
4816 static int lfs_find(int argc, char **argv)
4821 struct find_param param = {
4824 .fp_time_margin = FP_DEFAULT_TIME_MARGIN,
4826 struct option long_opts[] = {
4827 { .val = 'A', .name = "atime", .has_arg = required_argument },
4828 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4829 { .val = 'B', .name = "btime", .has_arg = required_argument },
4830 { .val = 'B', .name = "Btime", .has_arg = required_argument },
4831 { .val = LFS_COMP_COUNT_OPT,
4832 .name = "comp-count", .has_arg = required_argument },
4833 { .val = LFS_COMP_COUNT_OPT,
4834 .name = "component-count",
4835 .has_arg = required_argument },
4836 { .val = LFS_COMP_FLAGS_OPT,
4837 .name = "comp-flags", .has_arg = required_argument },
4838 { .val = LFS_COMP_FLAGS_OPT,
4839 .name = "component-flags",
4840 .has_arg = required_argument },
4841 { .val = LFS_COMP_START_OPT,
4842 .name = "comp-start", .has_arg = required_argument },
4843 { .val = LFS_COMP_START_OPT,
4844 .name = "component-start",
4845 .has_arg = required_argument },
4846 { .val = LFS_MIRROR_STATE_OPT,
4847 .name = "mirror-state", .has_arg = required_argument },
4848 { .val = LFS_NEWERXY_OPT,
4849 .name = "newer", .has_arg = required_argument},
4850 { .val = LFS_NEWERXY_OPT,
4851 .name = "neweraa", .has_arg = required_argument},
4852 { .val = LFS_NEWERXY_OPT,
4853 .name = "neweram", .has_arg = required_argument},
4854 { .val = LFS_NEWERXY_OPT,
4855 .name = "newerac", .has_arg = required_argument},
4856 { .val = LFS_NEWERXY_OPT,
4857 .name = "newerab", .has_arg = required_argument},
4858 { .val = LFS_NEWERXY_OPT,
4859 .name = "newerma", .has_arg = required_argument},
4860 { .val = LFS_NEWERXY_OPT,
4861 .name = "newermm", .has_arg = required_argument},
4862 { .val = LFS_NEWERXY_OPT,
4863 .name = "newermc", .has_arg = required_argument},
4864 { .val = LFS_NEWERXY_OPT,
4865 .name = "newermb", .has_arg = required_argument},
4866 { .val = LFS_NEWERXY_OPT,
4867 .name = "newerca", .has_arg = required_argument},
4868 { .val = LFS_NEWERXY_OPT,
4869 .name = "newercm", .has_arg = required_argument},
4870 { .val = LFS_NEWERXY_OPT,
4871 .name = "newercc", .has_arg = required_argument},
4872 { .val = LFS_NEWERXY_OPT,
4873 .name = "newercb", .has_arg = required_argument},
4874 { .val = LFS_NEWERXY_OPT,
4875 .name = "newerba", .has_arg = required_argument},
4876 { .val = LFS_NEWERXY_OPT,
4877 .name = "newerbm", .has_arg = required_argument},
4878 { .val = LFS_NEWERXY_OPT,
4879 .name = "newerbc", .has_arg = required_argument},
4880 { .val = LFS_NEWERXY_OPT,
4881 .name = "newerbb", .has_arg = required_argument},
4882 { .val = LFS_NEWERXY_OPT,
4883 .name = "newerBa", .has_arg = required_argument},
4884 { .val = LFS_NEWERXY_OPT,
4885 .name = "newerBm", .has_arg = required_argument},
4886 { .val = LFS_NEWERXY_OPT,
4887 .name = "newerBc", .has_arg = required_argument},
4888 { .val = LFS_NEWERXY_OPT,
4889 .name = "newerBB", .has_arg = required_argument},
4890 { .val = LFS_NEWERXY_OPT,
4891 .name = "newerat", .has_arg = required_argument},
4892 { .val = LFS_NEWERXY_OPT,
4893 .name = "newermt", .has_arg = required_argument},
4894 { .val = LFS_NEWERXY_OPT,
4895 .name = "newerct", .has_arg = required_argument},
4896 { .val = LFS_NEWERXY_OPT,
4897 .name = "newerbt", .has_arg = required_argument},
4898 { .val = LFS_NEWERXY_OPT,
4899 .name = "newerBt", .has_arg = required_argument},
4900 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4901 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4902 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4903 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4904 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4905 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4906 { .val = 'E', .name = "component-end",
4907 .has_arg = required_argument },
4908 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4909 { .val = LFS_LAYOUT_FOREIGN_OPT,
4910 .name = "foreign", .has_arg = optional_argument},
4911 { .val = 'g', .name = "gid", .has_arg = required_argument },
4912 { .val = 'G', .name = "group", .has_arg = required_argument },
4913 { .val = 'h', .name = "help", .has_arg = no_argument },
4914 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4915 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4916 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4917 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4918 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4919 { .val = 'L', .name = "layout", .has_arg = required_argument },
4920 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4921 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4922 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4923 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4924 { .val = 'n', .name = "name", .has_arg = required_argument },
4925 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4926 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4927 { .val = 'O', .name = "obd", .has_arg = required_argument },
4928 { .val = 'O', .name = "ost", .has_arg = required_argument },
4929 /* no short option for pool yet, can be 'p' after 2.18 */
4930 { .val = LFS_POOL_OPT,
4931 .name = "pool", .has_arg = required_argument },
4932 { .val = '0', .name = "print0", .has_arg = no_argument },
4933 { .val = 'P', .name = "print", .has_arg = no_argument },
4934 { .val = LFS_PROJID_OPT,
4935 .name = "projid", .has_arg = required_argument },
4936 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4937 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4938 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4939 { .val = 's', .name = "size", .has_arg = required_argument },
4940 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4941 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4942 { .val = 't', .name = "type", .has_arg = required_argument },
4943 { .val = LFS_FIND_PERM,
4944 .name = "perm", .has_arg = required_argument },
4945 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4946 { .val = 'u', .name = "uid", .has_arg = required_argument },
4947 { .val = 'U', .name = "user", .has_arg = required_argument },
4948 { .val = 'z', .name = "extension-size",
4949 .has_arg = required_argument },
4950 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4951 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4952 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4966 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4967 while ((c = getopt_long_only(argc, argv,
4968 "-0A:b:B:c:C:D:E:g:G:hH:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4969 long_opts, &optidx)) >= 0) {
4974 /* '!' is part of option */
4976 * when getopt_long_only() finds a string which is not
4977 * an option nor a known option argument it returns 1
4978 * in that case if we already have found pathstart and pathend
4979 * (i.e. we have the list of pathnames),
4980 * the only supported value is "!"
4982 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4983 if (!isoption && pathend != -1) {
4985 "err: %s: filename|dirname must either precede options or follow options\n",
4990 if (!isoption && pathstart == -1)
4991 pathstart = optind - 1;
4992 if (isoption && pathstart != -1 && pathend == -1)
4993 pathend = optind - 2;
5000 * unknown; opt is "!" or path component,
5001 * checking done above.
5003 if (strcmp(optarg, "!") == 0)
5007 xtime = ¶m.fp_atime;
5008 xsign = ¶m.fp_asign;
5009 param.fp_exclude_atime = !!neg_opt;
5010 /* no break, this falls through to 'B' for btime */
5013 xtime = ¶m.fp_btime;
5014 xsign = ¶m.fp_bsign;
5015 param.fp_exclude_btime = !!neg_opt;
5017 /* no break, this falls through to 'C' for ctime */
5020 xtime = ¶m.fp_ctime;
5021 xsign = ¶m.fp_csign;
5022 param.fp_exclude_ctime = !!neg_opt;
5024 /* no break, this falls through to 'M' for mtime */
5027 xtime = ¶m.fp_mtime;
5028 xsign = ¶m.fp_msign;
5029 param.fp_exclude_mtime = !!neg_opt;
5031 rc = set_time(¶m, &t, xtime, optarg);
5032 if (rc == LONG_MAX) {
5040 if (optarg[0] == '+') {
5041 param.fp_blocks_sign = -1;
5043 } else if (optarg[0] == '-') {
5044 param.fp_blocks_sign = 1;
5048 param.fp_blocks_units = 1024;
5049 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
5050 ¶m.fp_blocks_units, 0);
5052 fprintf(stderr, "error: bad blocks '%s'\n",
5056 param.fp_check_blocks = 1;
5057 param.fp_exclude_blocks = !!neg_opt;
5059 case LFS_COMP_COUNT_OPT:
5060 if (optarg[0] == '+') {
5061 param.fp_comp_count_sign = -1;
5063 } else if (optarg[0] == '-') {
5064 param.fp_comp_count_sign = 1;
5069 param.fp_comp_count = strtoul(optarg, &endptr, 0);
5070 if (errno != 0 || *endptr != '\0' ||
5071 param.fp_comp_count > UINT32_MAX) {
5073 "error: bad component count '%s'\n",
5077 param.fp_check_comp_count = 1;
5078 param.fp_exclude_comp_count = !!neg_opt;
5080 case LFS_COMP_FLAGS_OPT:
5081 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
5082 ¶m.fp_comp_neg_flags);
5085 "error: bad component flags '%s'\n",
5089 param.fp_check_comp_flags = 1;
5091 __u32 flags = param.fp_comp_neg_flags;
5093 param.fp_comp_neg_flags = param.fp_comp_flags;
5094 param.fp_comp_flags = flags;
5097 case LFS_COMP_START_OPT:
5098 if (optarg[0] == '+') {
5099 param.fp_comp_start_sign = -1;
5101 } else if (optarg[0] == '-') {
5102 param.fp_comp_start_sign = 1;
5106 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
5107 ¶m.fp_comp_start_units, 0);
5110 "error: bad component start '%s'\n",
5114 param.fp_check_comp_start = 1;
5115 param.fp_exclude_comp_start = !!neg_opt;
5117 case LFS_MIRROR_STATE_OPT:
5118 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
5119 ¶m.fp_mirror_neg_state);
5122 "error: bad mirrored file state '%s'\n",
5126 param.fp_check_mirror_state = 1;
5128 __u16 state = param.fp_mirror_neg_state;
5130 param.fp_mirror_neg_state =
5131 param.fp_mirror_state;
5132 param.fp_mirror_state = state;
5136 if (optarg[0] == '+') {
5137 param.fp_stripe_count_sign = -1;
5139 } else if (optarg[0] == '-') {
5140 param.fp_stripe_count_sign = 1;
5145 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
5146 if (errno != 0 || *endptr != '\0' ||
5147 param.fp_stripe_count > LOV_MAX_STRIPE_COUNT) {
5149 "error: bad stripe_count '%s'\n",
5154 param.fp_check_stripe_count = 1;
5155 param.fp_exclude_stripe_count = !!neg_opt;
5159 param.fp_max_depth = strtol(optarg, 0, 0);
5160 if (errno != 0 || param.fp_max_depth < 0) {
5162 "error: bad maxdepth '%s'\n",
5169 if (optarg[0] == '+') {
5170 param.fp_comp_end_sign = -1;
5172 } else if (optarg[0] == '-') {
5173 param.fp_comp_end_sign = 1;
5177 if (arg_is_eof(optarg)) {
5178 param.fp_comp_end = LUSTRE_EOF;
5179 param.fp_comp_end_units = 1;
5182 rc = llapi_parse_size(optarg,
5184 ¶m.fp_comp_end_units, 0);
5185 /* assume units of KB if too small */
5186 if (param.fp_comp_end < 4096)
5187 param.fp_comp_end *= 1024;
5191 "error: bad component end '%s'\n",
5195 param.fp_check_comp_end = 1;
5196 param.fp_exclude_comp_end = !!neg_opt;
5198 case LFS_LAYOUT_FOREIGN_OPT: {
5199 /* all types by default */
5200 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
5203 /* check pure numeric */
5204 type = strtoul(optarg, &endptr, 0);
5207 type = check_foreign_type_name(optarg);
5208 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5210 "%s %s: unknown foreign type '%s'\n",
5215 } else if (type >= UINT32_MAX) {
5217 "%s %s: invalid foreign type '%s'\n",
5218 progname, argv[0], optarg);
5222 param.fp_foreign_type = type;
5223 param.fp_check_foreign = 1;
5224 param.fp_exclude_foreign = !!neg_opt;
5227 case LFS_NEWERXY_OPT: {
5233 time_t ref = time(NULL);
5235 /* no need to check bad options, they won't get here */
5236 if (strlen(long_opts[optidx].name) == 7) {
5237 x = long_opts[optidx].name[5];
5238 y = long_opts[optidx].name[6];
5242 static const char *const fmts[] = {
5243 "%Y-%m-%d %H:%M:%S",
5246 "%H:%M:%S", /* sometime today */
5255 for (i = 0; fmts[i] != NULL; i++) {
5258 /* Init for times relative to today */
5259 if (strncmp(fmts[i], "%H", 2) == 0)
5260 localtime_r(&ref, &tm);
5262 memset(&tm, 0, sizeof(tm));
5263 ptr = strptime(optarg, fmts[i], &tm);
5265 while (ptr && isspace(*ptr))
5267 if (ptr == optarg + strlen(optarg)) {
5275 "%s: invalid time '%s'\n",
5278 "supported formats are:\n ");
5279 for (i = 0; fmts[i] != NULL; i++)
5280 fprintf(stderr, "'%s', ",
5282 fprintf(stderr, "\n");
5288 } else if (y == 'b' || y == 'B') {
5291 rc = llapi_get_lum_file(optarg, NULL, &stx,
5293 if (rc || !(stx.stx_mask & STATX_BTIME)) {
5294 if (!(stx.stx_mask & STATX_BTIME))
5299 "%s: get btime failed '%s': %s\n",
5305 ref = stx.stx_btime.tv_sec;
5307 struct stat statbuf;
5309 if (stat(optarg, &statbuf) < 0) {
5311 "%s: cannot stat file '%s': %s\n",
5320 ref = statbuf.st_atime;
5323 ref = statbuf.st_mtime;
5326 ref = statbuf.st_ctime;
5330 "%s: invalid Y argument: '%c'\n",
5339 xidx = NEWERXY_ATIME;
5342 xidx = NEWERXY_MTIME;
5345 xidx = NEWERXY_CTIME;
5349 xidx = NEWERXY_BTIME;
5353 "%s: invalid X argument: '%c'\n",
5360 newery = ¶m.fp_newery[xidx][negidx];
5366 *newery = *newery > ref ? ref : *newery;
5368 *newery = *newery > ref ? *newery : ref;
5370 param.fp_newerxy = 1;
5375 rc = name2gid(¶m.fp_gid, optarg);
5377 if (str2quotaid(¶m.fp_gid, optarg)) {
5379 "Group/GID: %s cannot be found.\n",
5385 param.fp_exclude_gid = !!neg_opt;
5386 param.fp_check_gid = 1;
5389 rc = mdthash_input(optarg, ¶m.fp_hash_inflags,
5390 ¶m.fp_hash_exflags,
5391 ¶m.fp_hash_type);
5396 if (param.fp_hash_inflags || param.fp_hash_exflags)
5397 param.fp_check_hash_flag = 1;
5398 param.fp_exclude_hash_type = !!neg_opt;
5404 ret = name2layout(¶m.fp_layout, optarg);
5407 param.fp_exclude_layout = !!neg_opt;
5408 param.fp_check_layout = 1;
5412 rc = name2uid(¶m.fp_uid, optarg);
5414 if (str2quotaid(¶m.fp_uid, optarg)) {
5416 "User/UID: %s cannot be found.\n",
5422 param.fp_exclude_uid = !!neg_opt;
5423 param.fp_check_uid = 1;
5426 param.fp_pattern = (char *)optarg;
5427 param.fp_exclude_pattern = !!neg_opt;
5430 if (optarg[0] == '+') {
5431 param.fp_mirror_count_sign = -1;
5433 } else if (optarg[0] == '-') {
5434 param.fp_mirror_count_sign = 1;
5439 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
5440 if (errno != 0 || *endptr != '\0' ||
5441 param.fp_mirror_count > LUSTRE_MIRROR_COUNT_MAX) {
5443 "error: bad mirror count '%s'\n",
5447 param.fp_check_mirror_count = 1;
5448 param.fp_exclude_mirror_count = !!neg_opt;
5453 char *buf, *token, *next, *p;
5457 buf = strdup(optarg);
5463 param.fp_exclude_obd = !!neg_opt;
5466 while (token && *token) {
5467 token = strchr(token, ',');
5474 param.fp_exclude_mdt = !!neg_opt;
5475 param.fp_num_alloc_mdts += len;
5476 tmp = realloc(param.fp_mdt_uuid,
5477 param.fp_num_alloc_mdts *
5478 sizeof(*param.fp_mdt_uuid));
5484 param.fp_mdt_uuid = tmp;
5486 param.fp_exclude_obd = !!neg_opt;
5487 param.fp_num_alloc_obds += len;
5488 tmp = realloc(param.fp_obd_uuid,
5489 param.fp_num_alloc_obds *
5490 sizeof(*param.fp_obd_uuid));
5496 param.fp_obd_uuid = tmp;
5498 for (token = buf; token && *token; token = next) {
5499 struct obd_uuid *puuid;
5503 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
5506 ¶m.fp_obd_uuid[param.fp_num_obds++];
5508 p = strchr(token, ',');
5515 if (strlen(token) > sizeof(puuid->uuid) - 1) {
5520 strncpy(puuid->uuid, token,
5521 sizeof(puuid->uuid));
5528 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
5532 if (strlen(optarg) > LOV_MAXPOOLNAME) {
5534 "Pool name %s is too long (max %d)\n",
5535 optarg, LOV_MAXPOOLNAME);
5540 * We do check for empty pool because empty pool
5541 * is used to find V1 LOV attributes
5543 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
5544 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
5545 param.fp_exclude_pool = !!neg_opt;
5546 param.fp_check_pool = 1;
5548 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
5549 case 'p': /* want this for --pool, to match getstripe/find */
5551 "warning: -p deprecated, use --print0 or -0\n");
5554 param.fp_zero_end = 1;
5556 case 'P': /* we always print, this option is a no-op */
5558 case LFS_PROJID_OPT:
5559 rc = name2projid(¶m.fp_projid, optarg);
5561 if (str2quotaid(¶m.fp_projid, optarg)) {
5563 "Invalid project ID: %s\n",
5569 param.fp_exclude_projid = !!neg_opt;
5570 param.fp_check_projid = 1;
5573 if (optarg[0] == '+') {
5574 param.fp_size_sign = -1;
5576 } else if (optarg[0] == '-') {
5577 param.fp_size_sign = 1;
5581 ret = llapi_parse_size(optarg, ¶m.fp_size,
5582 ¶m.fp_size_units, 0);
5584 fprintf(stderr, "error: bad file size '%s'\n",
5588 param.fp_check_size = 1;
5589 param.fp_exclude_size = !!neg_opt;
5592 if (optarg[0] == '+') {
5593 param.fp_stripe_size_sign = -1;
5595 } else if (optarg[0] == '-') {
5596 param.fp_stripe_size_sign = 1;
5600 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
5601 ¶m.fp_stripe_size_units, 0);
5602 /* assume units of KB if too small to be valid */
5603 if (param.fp_stripe_size < 4096)
5604 param.fp_stripe_size *= 1024;
5606 fprintf(stderr, "error: bad stripe_size '%s'\n",
5610 param.fp_check_stripe_size = 1;
5611 param.fp_exclude_stripe_size = !!neg_opt;
5614 param.fp_exclude_type = !!neg_opt;
5615 switch (optarg[0]) {
5617 param.fp_type = S_IFBLK;
5620 param.fp_type = S_IFCHR;
5623 param.fp_type = S_IFDIR;
5626 param.fp_type = S_IFREG;
5629 param.fp_type = S_IFLNK;
5632 param.fp_type = S_IFIFO;
5635 param.fp_type = S_IFSOCK;
5638 fprintf(stderr, "%s: bad type '%s'\n",
5645 param.fp_exclude_perm = !!neg_opt;
5646 param.fp_perm_sign = LFS_FIND_PERM_EXACT;
5647 if (*optarg == '/') {
5648 param.fp_perm_sign = LFS_FIND_PERM_ANY;
5650 } else if (*optarg == '-') {
5651 param.fp_perm_sign = LFS_FIND_PERM_ALL;
5655 if (str2mode_t(optarg, ¶m.fp_perm)) {
5656 fprintf(stderr, "error: invalid mode '%s'\n",
5663 if (optarg[0] == '+') {
5664 param.fp_mdt_count_sign = -1;
5666 } else if (optarg[0] == '-') {
5667 param.fp_mdt_count_sign = 1;
5672 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
5673 if (errno != 0 || *endptr != '\0' ||
5674 param.fp_mdt_count >= UINT32_MAX) {
5675 fprintf(stderr, "error: bad mdt_count '%s'\n",
5680 param.fp_check_mdt_count = 1;
5681 param.fp_exclude_mdt_count = !!neg_opt;
5684 if (optarg[0] == '+') {
5685 param.fp_ext_size_sign = -1;
5687 } else if (optarg[0] == '-') {
5688 param.fp_ext_size_sign = 1;
5692 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
5693 ¶m.fp_ext_size_units, 0);
5695 fprintf(stderr, "error: bad ext-size '%s'\n",
5699 param.fp_ext_size /= SEL_UNIT_SIZE;
5700 param.fp_ext_size_units /= SEL_UNIT_SIZE;
5701 param.fp_check_ext_size = 1;
5702 param.fp_exclude_ext_size = !!neg_opt;
5705 fprintf(stderr, "%s: unrecognized option '%s'\n",
5706 progname, argv[optind - 1]);
5713 if (pathstart == -1) {
5714 fprintf(stderr, "error: %s: no filename|pathname\n",
5718 } else if (pathend == -1) {
5724 rc = llapi_find(argv[pathstart], ¶m);
5727 pathbad = pathstart;
5729 } while (++pathstart < pathend);
5732 fprintf(stderr, "%s: failed for '%s': %s\n",
5733 progname, argv[pathbad], strerror(-rc));
5736 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
5737 free(param.fp_obd_uuid);
5739 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
5740 free(param.fp_mdt_uuid);
5745 static int lfs_getstripe_internal(int argc, char **argv,
5746 struct find_param *param)
5748 struct option long_opts[] = {
5749 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
5750 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
5751 /* find { .val = 'B', .name = "btime", .has_arg = required_argument }*/
5752 /* find { .val = 'B', .name = "Btime", .has_arg = required_argument }*/
5753 { .val = LFS_COMP_COUNT_OPT,
5754 .name = "comp-count", .has_arg = no_argument },
5755 { .val = LFS_COMP_COUNT_OPT,
5756 .name = "component-count", .has_arg = no_argument },
5757 { .val = LFS_COMP_FLAGS_OPT,
5758 .name = "comp-flags", .has_arg = optional_argument },
5759 { .val = LFS_COMP_FLAGS_OPT,
5760 .name = "component-flags", .has_arg = optional_argument },
5761 { .val = LFS_COMP_START_OPT,
5762 .name = "comp-start", .has_arg = optional_argument },
5763 { .val = LFS_COMP_START_OPT,
5764 .name = "component-start", .has_arg = optional_argument },
5765 { .val = LFS_MIRROR_INDEX_OPT,
5766 .name = "mirror-index", .has_arg = required_argument },
5767 { .val = LFS_MIRROR_ID_OPT,
5768 .name = "mirror-id", .has_arg = required_argument },
5769 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
5770 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
5771 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
5772 { .val = 'd', .name = "directory", .has_arg = no_argument },
5773 { .val = 'D', .name = "default", .has_arg = no_argument },
5774 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
5775 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
5776 { .val = 'F', .name = "fid", .has_arg = no_argument },
5777 { .val = 'g', .name = "generation", .has_arg = no_argument },
5778 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
5779 { .val = 'h', .name = "help", .has_arg = no_argument },
5780 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
5781 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
5782 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
5783 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
5784 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
5785 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5786 { .val = 'L', .name = "layout", .has_arg = no_argument },
5787 { .val = 'm', .name = "mdt", .has_arg = no_argument },
5788 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5789 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
5790 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
5791 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
5792 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
5793 { .val = 'O', .name = "obd", .has_arg = required_argument },
5794 { .val = 'O', .name = "ost", .has_arg = required_argument },
5795 { .val = 'p', .name = "pool", .has_arg = no_argument },
5796 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
5797 { .val = 'q', .name = "quiet", .has_arg = no_argument },
5798 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5799 { .val = 'R', .name = "raw", .has_arg = no_argument },
5800 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
5801 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
5802 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
5803 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
5804 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
5805 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
5806 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5807 /* dirstripe { .val = 'X',.name = "max-inherit",.has_arg = required_argument }*/
5808 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5809 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
5810 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
5814 int pathstart = -1, pathend = -1;
5818 while ((c = getopt_long(argc, argv,
5819 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
5820 long_opts, NULL)) != -1) {
5824 /* '!' is part of option */
5825 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
5826 if (!isoption && pathend != -1) {
5828 "error: %s: filename|dirname must either precede options or follow options\n",
5832 if (!isoption && pathstart == -1)
5833 pathstart = optind - 1;
5834 if (isoption && pathstart != -1 && pathend == -1)
5835 pathend = optind - 2;
5839 /* unknown: opt is "!" */
5840 if (strcmp(optarg, "!") == 0)
5844 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5845 param->fp_verbose |= VERBOSE_COUNT;
5846 param->fp_max_depth = 0;
5849 case LFS_COMP_COUNT_OPT:
5850 param->fp_verbose |= VERBOSE_COMP_COUNT;
5851 param->fp_max_depth = 0;
5853 case LFS_COMP_FLAGS_OPT:
5855 rc = comp_str2flags(optarg,
5856 ¶m->fp_comp_flags,
5857 ¶m->fp_comp_neg_flags);
5860 "error: %s bad component flags '%s'.\n",
5864 param->fp_check_comp_flags = 1;
5866 param->fp_verbose |= VERBOSE_COMP_FLAGS;
5867 param->fp_max_depth = 0;
5870 case LFS_COMP_START_OPT:
5873 if (tmp[0] == '+') {
5874 param->fp_comp_start_sign = -1;
5876 } else if (tmp[0] == '-') {
5877 param->fp_comp_start_sign = 1;
5880 rc = llapi_parse_size(tmp,
5881 ¶m->fp_comp_start,
5882 ¶m->fp_comp_start_units, 0);
5885 "error: %s bad component start '%s'.\n",
5889 param->fp_check_comp_start = 1;
5891 param->fp_verbose |= VERBOSE_COMP_START;
5892 param->fp_max_depth = 0;
5895 case LFS_MIRROR_INDEX_OPT: {
5896 unsigned long int mirror_index;
5898 if (optarg[0] == '+') {
5899 param->fp_mirror_index_sign = -1;
5901 } else if (optarg[0] == '-') {
5902 param->fp_mirror_index_sign = 1;
5907 mirror_index = strtoul(optarg, &end, 0);
5908 if (errno != 0 || *end != '\0' ||
5909 mirror_index > UINT16_MAX || (mirror_index == 0 &&
5910 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
5912 "%s %s: invalid mirror index '%s'\n",
5913 progname, argv[0], optarg);
5917 param->fp_mirror_index = (__u16)mirror_index;
5919 if (param->fp_mirror_id != 0) {
5921 "%s %s: can't specify both mirror index and mirror ID\n",
5925 param->fp_check_mirror_index = 1;
5926 param->fp_exclude_mirror_index = !!neg_opt;
5929 case LFS_MIRROR_ID_OPT: {
5930 unsigned long int mirror_id;
5932 if (optarg[0] == '+') {
5933 param->fp_mirror_id_sign = -1;
5935 } else if (optarg[0] == '-') {
5936 param->fp_mirror_id_sign = 1;
5941 mirror_id = strtoul(optarg, &end, 0);
5942 if (errno != 0 || *end != '\0' ||
5943 mirror_id > UINT16_MAX || (mirror_id == 0 &&
5944 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
5946 "%s %s: invalid mirror ID '%s'\n",
5947 progname, argv[0], optarg);
5951 param->fp_mirror_id = (__u16)mirror_id;
5953 if (param->fp_mirror_index != 0) {
5955 "%s %s: can't specify both mirror index and mirror ID\n",
5959 param->fp_check_mirror_id = 1;
5960 param->fp_exclude_mirror_id = !!neg_opt;
5964 param->fp_max_depth = 0;
5967 param->fp_get_default_lmv = 1;
5972 if (tmp[0] == '+') {
5973 param->fp_comp_end_sign = -1;
5975 } else if (tmp[0] == '-') {
5976 param->fp_comp_end_sign = 1;
5980 if (arg_is_eof(tmp)) {
5981 param->fp_comp_end = LUSTRE_EOF;
5982 param->fp_comp_end_units = 1;
5985 rc = llapi_parse_size(tmp,
5986 ¶m->fp_comp_end,
5987 ¶m->fp_comp_end_units, 0);
5988 /* assume units of KB if too small */
5989 if (param->fp_comp_end < 4096)
5990 param->fp_comp_end *= 1024;
5994 "error: %s bad component end '%s'.\n",
5998 param->fp_check_comp_end = 1;
6000 param->fp_verbose |= VERBOSE_COMP_END;
6001 param->fp_max_depth = 0;
6005 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6006 param->fp_verbose |= VERBOSE_DFID;
6007 param->fp_max_depth = 0;
6011 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6012 param->fp_verbose |= VERBOSE_GENERATION;
6013 param->fp_max_depth = 0;
6017 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6018 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
6019 param->fp_max_depth = 0;
6024 param->fp_comp_id = strtoul(optarg, &end, 0);
6025 if (*end != '\0' || param->fp_comp_id == 0 ||
6026 param->fp_comp_id > LCME_ID_MAX) {
6028 "error: %s bad component id '%s'\n",
6032 param->fp_check_comp_id = 1;
6034 param->fp_max_depth = 0;
6035 param->fp_verbose |= VERBOSE_COMP_ID;
6039 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6040 param->fp_verbose |= VERBOSE_PATTERN;
6041 param->fp_max_depth = 0;
6044 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6047 "warning: '-M' deprecated, use '--mdt-index' or '-m' instead\n");
6050 if (!(param->fp_verbose & VERBOSE_DETAIL))
6051 param->fp_max_depth = 0;
6052 param->fp_verbose |= VERBOSE_MDTINDEX;
6055 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6056 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
6057 param->fp_max_depth = 0;
6061 if (param->fp_obd_uuid) {
6063 "error: %s: only one obduuid allowed",
6067 param->fp_obd_uuid = (struct obd_uuid *)optarg;
6070 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6071 param->fp_verbose |= VERBOSE_POOL;
6072 param->fp_max_depth = 0;
6079 param->fp_recursive = 1;
6085 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6086 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
6087 param->fp_max_depth = 0;
6091 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
6097 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
6098 param->fp_verbose |= VERBOSE_EXT_SIZE;
6099 param->fp_max_depth = 0;
6103 fprintf(stderr, "%s: unrecognized option '%s'\n",
6104 progname, argv[optind - 1]);
6110 if (pathstart == -1) {
6111 fprintf(stderr, "error: %s: no filename|pathname\n",
6114 } else if (pathend == -1) {
6122 if (param->fp_recursive)
6123 param->fp_max_depth = -1;
6124 else if (param->fp_verbose & VERBOSE_DETAIL)
6125 param->fp_max_depth = 1;
6127 if (!param->fp_verbose)
6128 param->fp_verbose = VERBOSE_DEFAULT;
6129 if (param->fp_quiet)
6130 param->fp_verbose = VERBOSE_OBJID;
6133 rc = llapi_getstripe(argv[pathstart], param);
6134 } while (++pathstart < pathend && !rc);
6137 fprintf(stderr, "error: %s failed for %s.\n",
6138 argv[0], argv[optind - 1]);
6142 static int lfs_tgts(int argc, char **argv)
6144 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6145 struct find_param param;
6146 int index = 0, rc = 0;
6151 if (argc == 2 && !realpath(argv[1], path)) {
6153 fprintf(stderr, "error: invalid path '%s': %s\n",
6154 argv[1], strerror(-rc));
6158 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
6159 /* Check if we have a mount point */
6160 if (mntdir[0] == '\0')
6163 memset(¶m, 0, sizeof(param));
6164 if (!strcmp(argv[0], "mdts"))
6165 param.fp_get_lmv = 1;
6167 rc = llapi_ostlist(mntdir, ¶m);
6169 fprintf(stderr, "error: %s: failed on %s\n",
6172 if (path[0] != '\0')
6174 memset(mntdir, 0, PATH_MAX);
6180 static int lfs_getstripe(int argc, char **argv)
6182 struct find_param param = { 0 };
6184 param.fp_max_depth = 1;
6185 return lfs_getstripe_internal(argc, argv, ¶m);
6189 static int lfs_getdirstripe(int argc, char **argv)
6191 struct find_param param = { 0 };
6192 struct option long_opts[] = {
6193 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
6194 { .val = 'D', .name = "default", .has_arg = no_argument },
6195 { .val = 'h', .name = "help", .has_arg = no_argument },
6196 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
6197 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
6198 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
6199 { .val = 'O', .name = "obd", .has_arg = required_argument },
6200 { .val = 'r', .name = "recursive", .has_arg = no_argument },
6201 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
6202 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6203 { .val = 'X', .name = "max-inherit", .has_arg = no_argument },
6204 { .val = 'y', .name = "yaml", .has_arg = no_argument },
6205 { .val = LFS_INHERIT_RR_OPT,
6206 .name = "max-inherit-rr", .has_arg = no_argument },
6210 param.fp_get_lmv = 1;
6212 while ((c = getopt_long(argc, argv,
6213 "cDhHimO:rtTvXy", long_opts, NULL)) != -1) {
6217 param.fp_verbose |= VERBOSE_COUNT;
6220 param.fp_get_default_lmv = 1;
6222 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6225 "warning: '-t' deprecated, use '--mdt-hash' or '-H' instead\n");
6229 param.fp_verbose |= VERBOSE_HASH_TYPE;
6231 case 'i': /* fallthrough */
6233 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
6236 if (param.fp_obd_uuid) {
6238 "%s: only one obduuid allowed",
6242 param.fp_obd_uuid = (struct obd_uuid *)optarg;
6245 param.fp_recursive = 1;
6248 param.fp_verbose |= VERBOSE_DETAIL;
6251 param.fp_verbose |= VERBOSE_INHERIT;
6253 case LFS_INHERIT_RR_OPT:
6254 param.fp_verbose |= VERBOSE_INHERIT_RR;
6260 fprintf(stderr, "%s: unrecognized option '%s'\n",
6261 progname, argv[optind - 1]);
6271 if (param.fp_recursive)
6272 param.fp_max_depth = -1;
6274 if (!param.fp_verbose)
6275 param.fp_verbose = VERBOSE_DEFAULT;
6278 rc = llapi_getstripe(argv[optind], ¶m);
6279 } while (++optind < argc && !rc);
6282 fprintf(stderr, "error: %s failed for %s.\n",
6283 argv[0], argv[optind - 1]);
6288 MNTDF_INODES = 0x0001,
6289 MNTDF_COOKED = 0x0002,
6290 MNTDF_LAZY = 0x0004,
6291 MNTDF_VERBOSE = 0x0008,
6292 MNTDF_SHOW = 0x0010,
6293 MNTDF_DECIMAL = 0x0020,
6296 #define COOK(value, base) \
6299 while (value > base) { \
6307 #define CDF "%11llu"
6308 #define HDF "%8.1f%c"
6312 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
6314 double avail, used, ratio = 0;
6317 avail = st->os_ffree;
6318 used = st->os_files - st->os_ffree;
6320 avail = st->os_bavail;
6321 used = st->os_blocks - st->os_bfree;
6323 if (avail + used > 0)
6324 ratio = used / (used + avail) * 100;
6326 /* Round up to match df(1) usage percentage */
6327 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
6331 * This is to identify various problem states for "lfs df" if .osn_err = true,
6332 * so only show flags reflecting those states by default. Informational states
6333 * are only shown with "-v" and use lower-case names to distinguish them.
6334 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
6336 static struct obd_statfs_state_names {
6337 enum obd_statfs_state osn_state;
6338 const char osn_name;
6341 { .osn_state = OS_STATFS_DEGRADED, .osn_name = 'D', .osn_err = true },
6342 { .osn_state = OS_STATFS_READONLY, .osn_name = 'R', .osn_err = true },
6343 { .osn_state = OS_STATFS_NOPRECREATE,.osn_name = 'N', .osn_err = true },
6344 { .osn_state = OS_STATFS_UNUSED1, .osn_name = '?', .osn_err = true },
6345 { .osn_state = OS_STATFS_UNUSED2, .osn_name = '?', .osn_err = true },
6346 { .osn_state = OS_STATFS_ENOSPC, .osn_name = 'S', .osn_err = true },
6347 { .osn_state = OS_STATFS_ENOINO, .osn_name = 'I', .osn_err = true },
6348 { .osn_state = OS_STATFS_SUM, .osn_name = 'a', /* aggregate */ },
6349 { .osn_state = OS_STATFS_NONROT, .osn_name = 'f', /* flash */ },
6352 static int showdf(char *mntdir, struct obd_statfs *stat,
6353 char *uuid, enum mntdf_flags flags,
6354 char *type, int index, int rc)
6356 long long avail, used, total;
6358 char *suffix = flags & MNTDF_DECIMAL ? "kMGTPEZY" : "KMGTPEZY";
6359 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
6360 char tbuf[3 * sizeof(__u64)];
6361 char ubuf[3 * sizeof(__u64)];
6362 char abuf[3 * sizeof(__u64)];
6363 char rbuf[3 * sizeof(__u64)];
6370 if (flags & MNTDF_INODES) {
6371 avail = stat->os_ffree;
6372 used = stat->os_files - stat->os_ffree;
6373 total = stat->os_files;
6375 int shift = flags & MNTDF_COOKED ? 0 : 10;
6377 avail = (stat->os_bavail * stat->os_bsize) >> shift;
6378 used = ((stat->os_blocks - stat->os_bfree) *
6379 stat->os_bsize) >> shift;
6380 total = (stat->os_blocks * stat->os_bsize) >> shift;
6383 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
6385 if (flags & MNTDF_COOKED) {
6386 int base = flags & MNTDF_DECIMAL ? 1000 : 1024;
6390 cook_val = (double)total;
6391 i = COOK(cook_val, base);
6393 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
6396 snprintf(tbuf, sizeof(tbuf), CDF, total);
6398 cook_val = (double)used;
6399 i = COOK(cook_val, base);
6401 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
6404 snprintf(ubuf, sizeof(ubuf), CDF, used);
6406 cook_val = (double)avail;
6407 i = COOK(cook_val, base);
6409 snprintf(abuf, sizeof(abuf), HDF, cook_val,
6412 snprintf(abuf, sizeof(abuf), CDF, avail);
6414 snprintf(tbuf, sizeof(tbuf), CDF, total);
6415 snprintf(ubuf, sizeof(tbuf), CDF, used);
6416 snprintf(abuf, sizeof(tbuf), CDF, avail);
6419 sprintf(rbuf, RDF, ratio);
6420 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
6421 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
6423 printf("[%s:%d]", type, index);
6425 if (stat->os_state) {
6429 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
6430 if (oss_names[i].osn_state & stat->os_state &&
6431 (oss_names[i].osn_err ||
6432 flags & MNTDF_VERBOSE))
6433 printf("%c", oss_names[i].osn_name);
6440 printf(UUF": inactive device\n", uuid);
6443 printf(UUF": %s\n", uuid, strerror(-rc));
6450 struct ll_stat_type {
6455 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
6457 struct ll_statfs_data {
6459 struct obd_statfs sd_st;
6462 struct ll_statfs_buf {
6464 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
6467 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
6468 int ops, struct ll_statfs_buf *lsb)
6470 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
6471 struct obd_uuid uuid_buf;
6472 char *poolname = NULL;
6473 struct ll_stat_type types[] = {
6474 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
6475 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
6476 { .st_name = NULL } };
6477 struct ll_stat_type *tp;
6478 __u64 ost_files = 0;
6479 __u64 ost_ffree = 0;
6487 poolname = strchr(pool, '.');
6489 if (strncmp(fsname, pool, strlen(fsname))) {
6490 fprintf(stderr, "filesystem name incorrect\n");
6498 fd = open(mntdir, O_RDONLY);
6501 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
6506 if (flags & MNTDF_SHOW) {
6507 if (flags & MNTDF_INODES)
6508 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
6509 "UUID", "Inodes", "IUsed", "IFree",
6510 "IUse%", "Mounted on");
6512 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
6514 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
6515 "Used", "Available", "Use%", "Mounted on");
6518 for (tp = types; tp->st_name != NULL; tp++) {
6519 bool have_ost = false;
6521 if (!(tp->st_op & ops))
6524 for (index = 0; ; index++) {
6525 memset(&stat_buf, 0, sizeof(struct obd_statfs));
6526 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
6527 type = flags & MNTDF_LAZY ?
6528 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
6529 rc2 = llapi_obd_fstatfs(fd, type, index,
6530 &stat_buf, &uuid_buf);
6535 if (rc2 == -ENODATA) { /* Inactive device, OK. */
6536 if (!(flags & MNTDF_VERBOSE))
6538 } else if (rc2 < 0 && rc == 0) {
6543 * If we have OSTs then don't report MDT block counts.
6544 * For MDT-only filesystems the expectation is that all
6545 * layouts have a DoM component. For filesystems with
6546 * OSTs, files are not necessarily going to store data
6547 * on MDTs, and MDT space is limited to a fraction of
6548 * OST space, so don't include it in the summary.
6550 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
6557 if (poolname && tp->st_op == LL_STATFS_LOV &&
6558 llapi_search_ost(fsname, poolname,
6559 obd_uuid2str(&uuid_buf)) != 1)
6563 * the llapi_obd_fstatfs() call may have returned with
6564 * an error, but if it filled in uuid_buf we will at
6565 * lease use that to print out a message for that OBD.
6566 * If we didn't get anything in the uuid_buf, then fill
6567 * it in so that we can print an error message.
6569 if (uuid_buf.uuid[0] == '\0')
6570 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
6571 "%s%04x", tp->st_name, index);
6573 lsb->sb_buf[lsb->sb_count].sd_index = index;
6574 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
6577 if (flags & MNTDF_SHOW)
6578 showdf(mntdir, &stat_buf,
6579 obd_uuid2str(&uuid_buf), flags,
6580 tp->st_name, index, rc2);
6585 if (tp->st_op == LL_STATFS_LMV) {
6586 sum.os_ffree += stat_buf.os_ffree;
6587 sum.os_files += stat_buf.os_files;
6588 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
6589 ost_files += stat_buf.os_files;
6590 ost_ffree += stat_buf.os_ffree;
6592 sum.os_blocks += stat_buf.os_blocks *
6594 sum.os_bfree += stat_buf.os_bfree *
6596 sum.os_bavail += stat_buf.os_bavail *
6604 * If we have _some_ OSTs, but don't have as many free objects on the
6605 * OST as inodes on the MDTs, reduce the reported number of inodes
6606 * to compensate, so that the "inodes in use" number is correct.
6607 * This should be kept in sync with ll_statfs_internal().
6609 if (ost_files && ost_ffree < sum.os_ffree) {
6610 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
6611 sum.os_ffree = ost_ffree;
6613 if (flags & MNTDF_SHOW) {
6615 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
6623 LAYOUT_INHERIT_UNSET = -2,
6627 static int lfs_setdirstripe(int argc, char **argv)
6630 struct lfs_setstripe_args lsa = { 0 };
6631 struct llapi_stripe_param *param = NULL;
6632 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
6635 char *mode_opt = NULL;
6636 bool default_stripe = false;
6637 bool delete = false;
6638 bool foreign_mode = false;
6639 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
6640 mode_t previous_mode = 0;
6642 __u32 type = LU_FOREIGN_TYPE_SYMLINK, flags = 0;
6643 int max_inherit = LAYOUT_INHERIT_UNSET;
6644 int max_inherit_rr = LAYOUT_INHERIT_UNSET;
6645 struct option long_opts[] = {
6646 { .val = 'c', .name = "count", .has_arg = required_argument },
6647 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
6648 { .val = 'd', .name = "delete", .has_arg = no_argument },
6649 { .val = 'D', .name = "default", .has_arg = no_argument },
6650 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
6651 { .val = LFS_LAYOUT_FLAGS_OPT,
6652 .name = "flags", .has_arg = required_argument },
6653 { .val = LFS_LAYOUT_FOREIGN_OPT,
6654 .name = "foreign", .has_arg = optional_argument},
6655 { .val = 'h', .name = "help", .has_arg = no_argument },
6656 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
6657 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
6658 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
6659 { .val = 'i', .name = "mdt", .has_arg = required_argument },
6661 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
6662 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6663 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6665 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6666 { .val = 'i', .name = "index", .has_arg = required_argument },
6668 { .val = 'o', .name = "mode", .has_arg = required_argument },
6669 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6670 { .val = 't', .name = "hash-type", .has_arg = required_argument },
6672 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
6673 { .val = 'x', .name = "xattr", .has_arg = required_argument },
6674 { .val = 'X', .name = "max-inherit", .has_arg = required_argument },
6675 { .val = LFS_INHERIT_RR_OPT,
6676 .name = "max-inherit-rr", .has_arg = required_argument},
6677 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
6681 setstripe_args_init(&lsa);
6683 while ((c = getopt_long(argc, argv, "c:dDi:hH:m:o:t:T:x:X:",
6684 long_opts, NULL)) >= 0) {
6692 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
6693 if (errno != 0 || *end != '\0' ||
6694 lsa.lsa_stripe_count < -1 ||
6695 lsa.lsa_stripe_count > LOV_MAX_STRIPE_COUNT) {
6697 "%s: invalid stripe count '%s'\n",
6704 default_stripe = true;
6707 default_stripe = true;
6709 case LFS_LAYOUT_FOREIGN_OPT:
6711 /* check pure numeric */
6712 type = strtoul(optarg, &end, 0);
6715 type = check_foreign_type_name(optarg);
6716 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
6718 "%s %s: unknown foreign type '%s'\n",
6723 } else if (type >= UINT32_MAX) {
6725 "%s %s: invalid foreign type '%s'\n",
6726 progname, argv[0], optarg);
6730 foreign_mode = true;
6732 case LFS_LAYOUT_FLAGS_OPT:
6734 flags = strtoul(optarg, &end, 16);
6735 if (errno != 0 || *end != '\0' ||
6736 flags >= UINT32_MAX) {
6738 "%s %s: invalid hex flags '%s'\n",
6739 progname, argv[0], optarg);
6742 if (!foreign_mode) {
6744 "%s %s: hex flags must be specified with --foreign option\n",
6749 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6752 "warning: '--hash-type' and '-t' deprecated, use '--mdt-hash' or '-H' instead\n");
6756 lsa.lsa_pattern = check_hashtype(optarg);
6757 if (lsa.lsa_pattern == 0) {
6759 "%s %s: bad stripe hash type '%s'\n",
6760 progname, argv[0], optarg);
6765 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
6768 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6769 if (strcmp(argv[optind - 1], "--index") == 0)
6771 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
6774 lsa.lsa_nr_tgts = parse_targets(mdts,
6775 sizeof(mdts) / sizeof(__u32),
6776 lsa.lsa_nr_tgts, optarg, NULL);
6777 if (lsa.lsa_nr_tgts < 0) {
6779 "%s %s: invalid MDT target(s) '%s'\n",
6780 progname, argv[0], optarg);
6784 lsa.lsa_tgts = mdts;
6785 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6786 lsa.lsa_stripe_off = mdts[0];
6788 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
6791 "warning: '-m' is deprecated, use '--mode' or '-o' instead\n");
6800 if (!default_stripe) {
6802 "%s %s: '--max-inherit' must be specified with '-D'\n",
6807 max_inherit = strtol(optarg, &end, 10);
6808 if (errno != 0 || *end != '\0' || max_inherit < -2) {
6810 "%s %s: invalid max-inherit '%s'\n",
6811 progname, argv[0], optarg);
6814 if (max_inherit == 0) {
6815 max_inherit = LMV_INHERIT_NONE;
6816 } else if (max_inherit == -1) {
6817 max_inherit = LMV_INHERIT_UNLIMITED;
6818 } else if (max_inherit > LMV_INHERIT_MAX) {
6820 "%s %s: max-inherit %d exceeds maximum %u\n",
6821 progname, argv[0], max_inherit,
6826 case LFS_INHERIT_RR_OPT:
6827 if (!default_stripe) {
6829 "%s %s: '--max-inherit-rr' must be specified with '-D'\n",
6834 max_inherit_rr = strtol(optarg, &end, 10);
6835 if (errno != 0 || *end != '\0' || max_inherit_rr < -2) {
6837 "%s %s: invalid max-inherit-rr '%s'\n",
6838 progname, argv[0], optarg);
6841 if (max_inherit_rr == 0) {
6842 max_inherit_rr = LMV_INHERIT_RR_NONE;
6843 } else if (max_inherit_rr == -1) {
6844 max_inherit_rr = LMV_INHERIT_RR_UNLIMITED;
6845 } else if (max_inherit_rr > LMV_INHERIT_RR_MAX) {
6847 "%s %s: max-inherit-rr %d exceeds maximum %u\n",
6848 progname, argv[0], max_inherit_rr,
6849 LMV_INHERIT_RR_MAX);
6854 fprintf(stderr, "%s: unrecognized option '%s'\n",
6855 progname, argv[optind - 1]);
6862 if (optind == argc) {
6863 fprintf(stderr, "%s %s: DIR must be specified\n",
6868 if (xattr && !foreign_mode) {
6870 * only print a warning as this is armless and will be
6874 "%s %s: xattr has been specified for non-foreign layout\n",
6876 } else if (foreign_mode && !xattr) {
6878 "%s %s: xattr must be provided in foreign mode\n",
6883 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
6884 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
6886 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
6891 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
6892 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
6893 /* if no parameters set, create directory on least-used MDTs */
6894 lsa.lsa_stripe_off = -1;
6895 lsa.lsa_stripe_count = 1;
6899 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
6900 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
6902 "%s %s: cannot specify -d with -c or -i options\n",
6908 mode = strtoul(mode_opt, &end, 8);
6911 "%s %s: bad MODE '%s'\n",
6912 progname, argv[0], mode_opt);
6915 previous_mode = umask(0);
6918 if (max_inherit_rr != LAYOUT_INHERIT_UNSET &&
6919 lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
6920 lsa.lsa_stripe_off != -1) {
6922 "%s %s: max-inherit-rr is meaningless if stripe offset != -1\n",
6927 /* foreign LMV/dir case */
6929 if (argc > optind + 1) {
6931 "%s %s: cannot specify multiple foreign dirs\n",
6936 dname = argv[optind];
6937 result = llapi_dir_create_foreign(dname, mode, type, flags,
6941 "%s mkdir: can't create foreign dir '%s': %s\n",
6942 progname, dname, strerror(-result));
6947 * initialize stripe parameters, in case param is converted to specific,
6948 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
6950 param = calloc(1, offsetof(typeof(*param),
6951 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
6952 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
6955 "%s %s: cannot allocate memory for parameters: %s\n",
6956 progname, argv[0], strerror(ENOMEM));
6960 /* if "lfs setdirstripe -D -i -1" is used, assume 1-stripe directory */
6961 if (default_stripe && lsa.lsa_stripe_off == -1 &&
6962 (lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT ||
6963 lsa.lsa_stripe_count == 0))
6964 lsa.lsa_stripe_count = 1;
6965 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
6966 param->lsp_stripe_count = lsa.lsa_stripe_count;
6967 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6968 param->lsp_stripe_offset = -1;
6970 param->lsp_stripe_offset = lsa.lsa_stripe_off;
6971 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
6972 param->lsp_stripe_pattern = lsa.lsa_pattern;
6974 param->lsp_stripe_pattern = LMV_HASH_TYPE_UNKNOWN;
6975 param->lsp_pool = lsa.lsa_pool_name;
6976 param->lsp_is_specific = false;
6977 if (default_stripe) {
6978 if (max_inherit == LAYOUT_INHERIT_UNSET)
6979 max_inherit = LMV_INHERIT_DEFAULT;
6980 if (max_inherit_rr == LAYOUT_INHERIT_UNSET)
6981 max_inherit_rr = LMV_INHERIT_RR_DEFAULT;
6982 param->lsp_max_inherit = max_inherit;
6983 param->lsp_max_inherit_rr = max_inherit_rr;
6985 if (strcmp(argv[0], "mkdir") == 0)
6986 param->lsp_is_create = true;
6987 if (lsa.lsa_nr_tgts > 1) {
6988 if (lsa.lsa_stripe_count > 0 &&
6989 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
6990 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
6992 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
6993 argv[0], lsa.lsa_stripe_count,
6999 param->lsp_is_specific = true;
7000 param->lsp_stripe_count = lsa.lsa_nr_tgts;
7001 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
7004 dname = argv[optind];
7006 if (default_stripe) {
7007 result = llapi_dir_set_default_lmv(dname, param);
7010 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
7011 progname, dname, strerror(-result));
7015 result = llapi_dir_create(dname, mode, param);
7018 "%s setdirstripe: cannot create dir '%s': %s\n",
7019 progname, dname, strerror(-result));
7020 } while (!result && (dname = argv[++optind]));
7023 umask(previous_mode);
7030 static int lfs_rmentry(int argc, char **argv)
7037 fprintf(stderr, "error: %s: missing dirname\n",
7043 dname = argv[index];
7045 result = llapi_direntry_remove(dname);
7048 "error: %s: remove dir entry '%s' failed\n",
7052 dname = argv[++index];
7057 static int lfs_unlink_foreign(int argc, char **argv)
7064 fprintf(stderr, "error: %s: missing pathname\n",
7071 while (name != NULL) {
7072 result = llapi_unlink_foreign(name);
7075 "error: %s: unlink foreign entry '%s' failed\n",
7079 name = argv[++index];
7084 static int lfs_mv(int argc, char **argv)
7086 struct lmv_user_md lmu = { LMV_USER_MAGIC };
7087 struct find_param param = {
7094 struct option long_opts[] = {
7095 { .val = 'm', .name = "mdt", .has_arg = required_argument },
7096 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
7097 { .val = 'v', .name = "verbose", .has_arg = no_argument },
7100 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
7102 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
7105 "warning: '-M' deprecated, use '--mdt-index' or '-m' instead\n");
7109 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
7110 if (errno != 0 || *end != '\0' ||
7111 lmu.lum_stripe_offset >= UINT32_MAX) {
7112 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
7118 param.fp_verbose = VERBOSE_DETAIL;
7121 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
7122 progname, argv[optind - 1]);
7127 if (lmu.lum_stripe_offset == LMV_OFFSET_DEFAULT) {
7128 fprintf(stderr, "%s mv: MDT index must be specified\n",
7133 if (optind >= argc) {
7134 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
7138 lmu.lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
7140 /* initialize migrate mdt parameters */
7141 param.fp_lmv_md = &lmu;
7142 param.fp_migrate = 1;
7143 rc = llapi_migrate_mdt(argv[optind], ¶m);
7145 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
7146 progname, argv[optind], lmu.lum_stripe_offset,
7151 static int lfs_osts(int argc, char **argv)
7153 return lfs_tgts(argc, argv);
7156 static int lfs_mdts(int argc, char **argv)
7158 return lfs_tgts(argc, argv);
7161 static int lfs_df(int argc, char **argv)
7163 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
7164 enum mntdf_flags flags = MNTDF_SHOW;
7165 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
7166 int c, rc = 0, index = 0;
7167 char fsname[PATH_MAX] = "", *pool_name = NULL;
7168 struct option long_opts[] = {
7169 { .val = 'h', .name = "human-readable", .has_arg = no_argument },
7170 { .val = 'H', .name = "si", .has_arg = no_argument },
7171 { .val = 'i', .name = "inodes", .has_arg = no_argument },
7172 { .val = 'l', .name = "lazy", .has_arg = no_argument },
7173 { .val = 'p', .name = "pool", .has_arg = required_argument },
7174 { .val = 'v', .name = "verbose", .has_arg = no_argument },
7177 while ((c = getopt_long(argc, argv, "hHilp:v", long_opts, NULL)) != -1) {
7180 flags = (flags & ~MNTDF_DECIMAL) | MNTDF_COOKED;
7183 flags |= MNTDF_COOKED | MNTDF_DECIMAL;
7186 flags |= MNTDF_INODES;
7189 flags |= MNTDF_LAZY;
7195 flags |= MNTDF_VERBOSE;
7198 fprintf(stderr, "%s: unrecognized option '%s'\n",
7199 progname, argv[optind - 1]);
7203 if (optind < argc && !realpath(argv[optind], path)) {
7205 fprintf(stderr, "%s: invalid path '%s': %s\n",
7206 progname, argv[optind], strerror(-rc));
7210 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
7211 /* Check if we have a mount point */
7212 if (mntdir[0] == '\0')
7215 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
7216 if (rc || path[0] != '\0')
7218 fsname[0] = '\0'; /* avoid matching in next loop */
7219 mntdir[0] = '\0'; /* avoid matching in next loop */
7225 static int print_instance(const char *mntdir, char *buf, size_t buflen,
7226 bool opt_instance, bool opt_fsname, bool opt_mntdir)
7230 if (opt_fsname == opt_instance) { /* both true or both false */
7231 rc = llapi_getname(mntdir, buf, buflen);
7232 } else if (opt_fsname) {
7234 * llapi_search_mounts() fills @buf with fsname, but that is not
7235 * called if explicit paths are specified on the command-line
7238 rc = llapi_get_fsname(mntdir, buf, buflen);
7239 } else /* if (opt_instance) */ {
7240 rc = llapi_get_instance(mntdir, buf, buflen);
7244 fprintf(stderr, "cannot get instance for '%s': %s\n",
7245 mntdir, strerror(-rc));
7250 printf("%s %s\n", buf, mntdir);
7252 printf("%s\n", buf);
7257 static int lfs_getname(int argc, char **argv)
7259 struct option long_opts[] = {
7260 { .val = 'h', .name = "help", .has_arg = no_argument },
7261 { .val = 'i', .name = "instance", .has_arg = no_argument },
7262 { .val = 'n', .name = "fsname", .has_arg = no_argument },
7264 bool opt_instance = false, opt_fsname = false;
7265 char fsname[PATH_MAX] = "";
7268 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
7271 opt_instance = true;
7277 fprintf(stderr, "%s: unrecognized option '%s'\n",
7278 progname, argv[optind - 1]);
7285 if (optind == argc) { /* no paths specified, get all paths. */
7286 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
7289 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
7290 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
7291 opt_instance, opt_fsname, true);
7294 path[0] = fsname[0] = mntdir[0] = '\0';
7296 } else { /* paths specified, only attempt to search these. */
7299 /* if only one path is given, print only requested info */
7300 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
7302 for (; optind < argc; optind++) {
7303 rc2 = print_instance(argv[optind], fsname,
7304 sizeof(fsname), opt_instance,
7305 opt_fsname, opt_mntdir);
7315 static int lfs_check(int argc, char **argv)
7317 char mntdir[PATH_MAX] = {'\0'};
7326 fprintf(stderr, "%s check: server type must be specified\n",
7331 obd_types[0] = obd_type1;
7332 obd_types[1] = obd_type2;
7333 obd_types[2] = obd_type3;
7335 if (strcmp(argv[1], "osts") == 0) {
7336 strcpy(obd_types[0], "osc");
7337 } else if (strcmp(argv[1], "mdts") == 0 ||
7338 strcmp(argv[1], "mds") == 0) {
7339 strcpy(obd_types[0], "mdc");
7340 } else if (strcmp(argv[1], "mgts") == 0) {
7341 strcpy(obd_types[0], "mgc");
7342 } else if (strcmp(argv[1], "all") == 0 ||
7343 strcmp(argv[1], "servers") == 0) {
7345 strcpy(obd_types[0], "osc");
7346 strcpy(obd_types[1], "mdc");
7347 strcpy(obd_types[2], "mgc");
7349 fprintf(stderr, "%s check: unrecognized option '%s'\n",
7354 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
7355 if (rc < 0 || mntdir[0] == '\0') {
7357 "%s check: cannot find mounted Lustre filesystem: %s\n",
7358 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
7362 rc = llapi_target_check(num_types, obd_types, mntdir);
7364 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
7365 progname, argv[1], strerror(-rc));
7370 #ifdef HAVE_SYS_QUOTA_H
7371 #define ADD_OVERFLOW(a, b) \
7372 ((((a) + (b)) < (a)) ? \
7373 ((a) = ULONG_MAX) : ((a) = (a) + (b)))
7375 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
7376 * returns the value or ULONG_MAX on integer overflow or incorrect format
7378 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
7379 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
7380 * 3. empty integer value is interpreted as 0
7382 static unsigned long str2sec(const char *timestr)
7384 const char spec[] = "smhdw";
7385 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
7386 unsigned long val = 0;
7389 if (strpbrk(timestr, spec) == NULL) {
7391 * no specifiers inside the time string,
7392 * should treat it as an integer value
7394 val = strtoul(timestr, &tail, 10);
7395 return *tail ? ULONG_MAX : val;
7398 /* format string is XXwXXdXXhXXmXXs */
7404 v = strtoul(timestr, &tail, 10);
7405 if (v == ULONG_MAX || *tail == '\0')
7407 * value too large (ULONG_MAX or more)
7408 * or missing specifier
7412 ptr = strchr(spec, *tail);
7414 /* unknown specifier */
7419 /* check if product will overflow the type */
7420 if (!(v < ULONG_MAX / mult[ind]))
7423 ADD_OVERFLOW(val, mult[ind] * v);
7424 if (val == ULONG_MAX)
7436 #define ARG2ULL(nr, str, def_units) \
7438 unsigned long long limit, units = def_units; \
7441 rc = llapi_parse_size(str, &limit, &units, 1); \
7443 fprintf(stderr, "%s: invalid limit '%s'\n", \
7450 static inline int has_times_option(int argc, char **argv)
7454 for (i = 1; i < argc; i++)
7455 if (!strcmp(argv[i], "-t"))
7461 static inline int lfs_verify_poolarg(char *pool)
7463 if (strnlen(optarg, LOV_MAXPOOLNAME + 1) > LOV_MAXPOOLNAME) {
7465 "Pool name '%.*s' is longer than %d\n",
7466 LOV_MAXPOOLNAME, pool, LOV_MAXPOOLNAME);
7472 int lfs_setquota_times(int argc, char **argv, struct if_quotactl *qctl)
7475 char *mnt, *obd_type = (char *)qctl->obd_type;
7476 struct obd_dqblk *dqb = &qctl->qc_dqblk;
7477 struct obd_dqinfo *dqi = &qctl->qc_dqinfo;
7478 struct option long_opts[] = {
7479 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
7480 { .val = 'g', .name = "group", .has_arg = no_argument },
7481 { .val = 'h', .name = "help", .has_arg = no_argument },
7482 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
7483 { .val = 'p', .name = "projid", .has_arg = no_argument },
7484 { .val = 't', .name = "times", .has_arg = no_argument },
7485 { .val = 'u', .name = "user", .has_arg = no_argument },
7486 { .val = LFS_POOL_OPT,
7487 .name = "pool", .has_arg = required_argument },
7491 qctl->qc_cmd = LUSTRE_Q_SETINFO;
7492 qctl->qc_type = ALLQUOTA;
7494 while ((c = getopt_long(argc, argv, "b:ghi:ptu",
7495 long_opts, NULL)) != -1) {
7506 if (qctl->qc_type != ALLQUOTA) {
7508 "%s: -u/g/p cannot be used more than once\n",
7512 qctl->qc_type = qtype;
7515 if (strncmp(optarg, NOTIFY_GRACE,
7516 strlen(NOTIFY_GRACE)) == 0) {
7517 dqi->dqi_bgrace = NOTIFY_GRACE_TIME;
7519 dqi->dqi_bgrace = str2sec(optarg);
7520 if (dqi->dqi_bgrace >= NOTIFY_GRACE_TIME) {
7522 "%s: bad block-grace: %s\n",
7527 dqb->dqb_valid |= QIF_BTIME;
7530 if (strncmp(optarg, NOTIFY_GRACE,
7531 strlen(NOTIFY_GRACE)) == 0) {
7532 dqi->dqi_igrace = NOTIFY_GRACE_TIME;
7534 dqi->dqi_igrace = str2sec(optarg);
7535 if (dqi->dqi_igrace >= NOTIFY_GRACE_TIME) {
7537 "%s: bad inode-grace: %s\n",
7542 dqb->dqb_valid |= QIF_ITIME;
7544 case 't': /* Yes, of course! */
7547 if (lfs_verify_poolarg(optarg))
7549 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
7550 qctl->qc_cmd = LUSTRE_Q_SETINFOPOOL;
7552 /* getopt prints error message for us when opterr != 0 */
7554 fprintf(stderr, "%s: unrecognized option '%s'\n",
7555 progname, argv[optind - 1]);
7562 if (qctl->qc_type == ALLQUOTA) {
7563 fprintf(stderr, "%s: neither -u, -g nor -p specified\n",
7568 if (optind != argc - 1) {
7569 fprintf(stderr, "%s: unexpected parameter '%s'\n",
7570 progname, argv[optind + 1]);
7575 rc = llapi_quotactl(mnt, qctl);
7578 fprintf(stderr, "%s %s ", obd_type,
7579 obd_uuid2str(&qctl->obd_uuid));
7580 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
7587 #define BSLIMIT (1 << 0)
7588 #define BHLIMIT (1 << 1)
7589 #define ISLIMIT (1 << 2)
7590 #define IHLIMIT (1 << 3)
7592 int lfs_setquota(int argc, char **argv)
7595 struct if_quotactl *qctl;
7596 char *mnt, *obd_type;
7597 struct obd_dqblk *dqb;
7598 struct option long_opts[] = {
7599 { .val = 'b', .name = "block-softlimit",
7600 .has_arg = required_argument },
7601 { .val = 'B', .name = "block-hardlimit",
7602 .has_arg = required_argument },
7603 { .val = 'd', .name = "default", .has_arg = no_argument },
7604 { .val = 'g', .name = "group", .has_arg = required_argument },
7605 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
7606 { .val = 'h', .name = "help", .has_arg = no_argument },
7607 { .val = 'i', .name = "inode-softlimit",
7608 .has_arg = required_argument },
7609 { .val = 'I', .name = "inode-hardlimit",
7610 .has_arg = required_argument },
7611 { .val = 'p', .name = "projid", .has_arg = required_argument },
7612 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
7613 { .val = 'u', .name = "user", .has_arg = required_argument },
7614 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
7615 { .val = LFS_POOL_OPT,
7616 .name = "pool", .has_arg = required_argument },
7618 unsigned int limit_mask = 0;
7619 bool use_default = false;
7620 int qtype, qctl_len;
7622 qctl_len = sizeof(*qctl) + LOV_MAXPOOLNAME + 1;
7623 qctl = malloc(qctl_len);
7627 memset(qctl, 0, qctl_len);
7628 obd_type = (char *)qctl->obd_type;
7629 dqb = &qctl->qc_dqblk;
7631 if (has_times_option(argc, argv)) {
7632 rc = lfs_setquota_times(argc, argv, qctl);
7636 qctl->qc_cmd = LUSTRE_Q_SETQUOTA;
7637 qctl->qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
7638 * so it can be used as a marker that qc_type
7639 * isn't reinitialized from command line
7642 while ((c = getopt_long(argc, argv, "b:B:dg:Ghi:I:p:Pu:U",
7643 long_opts, NULL)) != -1) {
7646 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
7649 goto quota_type_def;
7652 rc = name2uid(&qctl->qc_id, optarg);
7655 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
7658 goto quota_type_def;
7661 rc = name2gid(&qctl->qc_id, optarg);
7664 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
7667 goto quota_type_def;
7670 rc = name2projid(&qctl->qc_id, optarg);
7673 if (str2quotaid(&qctl->qc_id, optarg)) {
7675 "%s setquota: invalid id '%s'\n",
7682 if (qctl->qc_id == 0) {
7684 "%s setquota: can't set quota for root usr/group/project.\n",
7691 if (qctl->qc_type != ALLQUOTA) {
7693 "%s setquota: only one of -u, -U, -g, -G, -p or -P may be specified\n",
7698 qctl->qc_type = qtype;
7701 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
7705 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
7706 dqb->dqb_bsoftlimit >>= 10;
7707 limit_mask |= BSLIMIT;
7708 if (dqb->dqb_bsoftlimit &&
7709 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
7711 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\nSee '%s help setquota' or Lustre manual for details\n",
7713 (unsigned long long)dqb->dqb_bsoftlimit,
7717 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
7718 dqb->dqb_bhardlimit >>= 10;
7719 limit_mask |= BHLIMIT;
7720 if (dqb->dqb_bhardlimit &&
7721 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
7723 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
7724 "See '%s help setquota' or Lustre manual for details\n",
7726 (unsigned long long)dqb->dqb_bhardlimit,
7730 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
7731 limit_mask |= ISLIMIT;
7732 if (dqb->dqb_isoftlimit &&
7733 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
7735 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\nSee '%s help setquota' or Lustre manual for details\n",
7737 (unsigned long long)dqb->dqb_isoftlimit,
7741 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
7742 limit_mask |= IHLIMIT;
7743 if (dqb->dqb_ihardlimit &&
7744 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
7746 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\nSee '%s help setquota' or Lustre manual for details\n",
7748 (unsigned long long)dqb->dqb_ihardlimit,
7752 if (lfs_verify_poolarg(optarg)) {
7756 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
7757 qctl->qc_cmd = qctl->qc_cmd == LUSTRE_Q_SETDEFAULT ?
7758 LUSTRE_Q_SETDEFAULT_POOL :
7759 LUSTRE_Q_SETQUOTAPOOL;
7763 "%s setquota: unrecognized option '%s'\n",
7764 progname, argv[optind - 1]);
7772 if (qctl->qc_type == ALLQUOTA) {
7774 "%s setquota: either -u or -g must be specified\n",
7780 if (!use_default && limit_mask == 0) {
7782 "%s setquota: at least one limit must be specified\n",
7788 if (use_default && limit_mask != 0) {
7790 "%s setquota: limits should not be specified when using default quota\n",
7796 if (use_default && qctl->qc_id == 0) {
7798 "%s setquota: can not set default quota for root user/group/project\n",
7804 if (optind != argc - 1) {
7806 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
7807 progname, argv[optind]);
7815 dqb->dqb_bhardlimit = 0;
7816 dqb->dqb_bsoftlimit = 0;
7817 dqb->dqb_ihardlimit = 0;
7818 dqb->dqb_isoftlimit = 0;
7821 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
7822 /* do not set inode limits for Pool Quotas */
7823 if (qctl->qc_cmd == LUSTRE_Q_SETDEFAULT_POOL)
7824 dqb->dqb_valid ^= QIF_ILIMITS | QIF_ITIME;
7825 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
7826 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
7827 /* sigh, we can't just set blimits/ilimits */
7828 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
7829 .qc_type = qctl->qc_type,
7830 .qc_id = qctl->qc_id};
7832 rc = llapi_quotactl(mnt, &tmp_qctl);
7836 if (!(limit_mask & BHLIMIT))
7837 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
7838 if (!(limit_mask & BSLIMIT))
7839 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
7840 if (!(limit_mask & IHLIMIT))
7841 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
7842 if (!(limit_mask & ISLIMIT))
7843 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
7845 /* Keep grace times if we have got no softlimit arguments */
7846 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
7847 dqb->dqb_valid |= QIF_BTIME;
7848 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
7851 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
7852 dqb->dqb_valid |= QIF_ITIME;
7853 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
7857 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
7858 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
7860 rc = llapi_quotactl(mnt, qctl);
7864 "%s setquota: cannot quotactl '%s' '%s': %s",
7866 obd_uuid2str(&qctl->obd_uuid), strerror(-rc));
7873 /* Converts seconds value into format string
7874 * result is returned in buf
7876 * 1. result is in descenting order: 1w2d3h4m5s
7877 * 2. zero fields are not filled (except for p. 3): 5d1s
7878 * 3. zero seconds value is presented as "0s"
7880 static char *__sec2str(time_t seconds, char *buf)
7882 const char spec[] = "smhdw";
7883 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
7888 for (i = ARRAY_SIZE(mult) - 1 ; i >= 0; i--) {
7889 c = seconds / mult[i];
7891 if (c > 0 || (i == 0 && buf == tail))
7892 tail += scnprintf(tail, 40-(tail-buf), "%lu%c", c,
7901 static void sec2str(time_t seconds, char *buf, int rc)
7908 tail = __sec2str(seconds, tail);
7910 if (rc && tail - buf < 39) {
7916 static void diff2str(time_t seconds, char *buf, time_t now)
7921 if (seconds <= now) {
7922 strcpy(buf, "none");
7925 __sec2str(seconds - now, buf);
7928 static void print_quota_title(char *name, struct if_quotactl *qctl,
7929 bool human_readable, bool show_default)
7932 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
7933 printf("%15s %8s%8s%8s %8s%8s%8s\n",
7934 "Filesystem", "bquota", "blimit", "bgrace",
7935 "iquota", "ilimit", "igrace");
7937 printf("Disk quotas for %s %s (%cid %u):\n",
7938 qtype_name(qctl->qc_type), name,
7939 *qtype_name(qctl->qc_type), qctl->qc_id);
7940 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
7941 "Filesystem", human_readable ? "used" : "kbytes",
7942 "quota", "limit", "grace",
7943 "files", "quota", "limit", "grace");
7947 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
7950 snprintf(buf, buflen, "%ju", (uintmax_t)num);
7953 snprintf(buf, buflen, "%5.4gP",
7954 (double)num / ((__u64)1 << 40));
7956 snprintf(buf, buflen, "%5.4gT",
7957 (double)num / (1 << 30));
7959 snprintf(buf, buflen, "%5.4gG",
7960 (double)num / (1 << 20));
7962 snprintf(buf, buflen, "%5.4gM",
7963 (double)num / (1 << 10));
7965 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
7969 #define STRBUF_LEN 24
7970 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
7971 int rc, bool h, bool show_default)
7977 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
7978 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ||
7979 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT ||
7980 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT_POOL) {
7981 int bover = 0, iover = 0;
7982 struct obd_dqblk *dqb = &qctl->qc_dqblk;
7983 char numbuf[3][STRBUF_LEN + 2]; /* 2 for brackets or wildcard */
7985 char strbuf[STRBUF_LEN];
7987 if (dqb->dqb_bhardlimit &&
7988 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
7990 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
7991 if (dqb->dqb_btime > now)
7997 if (dqb->dqb_ihardlimit &&
7998 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
8000 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
8001 if (dqb->dqb_itime > now)
8007 if (strlen(mnt) > 15)
8008 printf("%s\n%15s", mnt, "");
8010 printf("%15s", mnt);
8013 diff2str(dqb->dqb_btime, timebuf, now);
8014 else if (show_default)
8015 snprintf(timebuf, sizeof(timebuf), "%llu",
8016 (unsigned long long)dqb->dqb_btime);
8018 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
8019 strbuf, sizeof(strbuf), h);
8020 if (rc == -EREMOTEIO)
8021 sprintf(numbuf[0], "%s*", strbuf);
8023 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
8024 "%s" : "[%s]", strbuf);
8026 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
8027 if (type == QC_GENERAL)
8028 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
8029 "%s" : "[%s]", strbuf);
8031 sprintf(numbuf[1], "%s", "-");
8033 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
8034 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
8035 "%s" : "[%s]", strbuf);
8038 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
8040 printf(" %7s%c %6s %7s %7s",
8041 numbuf[0], bover ? '*' : ' ', numbuf[1],
8042 numbuf[2], bover > 1 ? timebuf : "-");
8045 diff2str(dqb->dqb_itime, timebuf, now);
8046 else if (show_default)
8047 snprintf(timebuf, sizeof(timebuf), "%llu",
8048 (unsigned long long)dqb->dqb_itime);
8050 snprintf(numbuf[0], sizeof(numbuf),
8051 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
8052 (uintmax_t)dqb->dqb_curinodes);
8054 if (type == QC_GENERAL)
8055 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
8057 (uintmax_t)dqb->dqb_isoftlimit);
8059 sprintf(numbuf[1], "%s", "-");
8061 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
8062 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
8065 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
8066 else if (type != QC_OSTIDX)
8067 printf(" %7s%c %6s %7s %7s",
8068 numbuf[0], iover ? '*' : ' ', numbuf[1],
8069 numbuf[2], iover > 1 ? timebuf : "-");
8071 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
8073 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO || LUSTRE_Q_GETINFOPOOL ||
8074 qctl->qc_cmd == Q_GETOINFO) {
8078 if (qctl->qc_dqinfo.dqi_bgrace == NOTIFY_GRACE_TIME)
8079 strncpy(bgtimebuf, NOTIFY_GRACE, 40);
8081 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
8082 if (qctl->qc_dqinfo.dqi_igrace == NOTIFY_GRACE_TIME)
8083 strncpy(igtimebuf, NOTIFY_GRACE, 40);
8085 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
8087 printf("Block grace time: %s; Inode grace time: %s\n",
8088 bgtimebuf, igtimebuf);
8092 static int tgt_name2index(const char *tgtname, unsigned int *idx)
8096 /* format is "lustre-OST0001" */
8097 dash = memchr(tgtname, '-', LUSTRE_MAXFSNAME + 1);
8099 fprintf(stderr, "wrong tgtname format '%s'\n", tgtname);
8104 *idx = strtoul(dash, &endp, 16);
8105 if (*idx > 0xffff) {
8106 fprintf(stderr, "wrong index %s\n", tgtname);
8113 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
8114 bool h, __u64 *total)
8116 int rc = 0, rc1 = 0, count = 0, i = 0;
8117 char **list = NULL, *buffer = NULL;
8118 __u32 valid = qctl->qc_valid;
8120 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL && is_mdt)
8123 /* Is it correct for the case OST0000, OST0002, OST0003 -
8124 * we will ask OST0001 that is absent and won't ask OST0003? */
8125 rc = llapi_get_obd_count(mnt, &count, is_mdt);
8127 fprintf(stderr, "can not get %s count: %s\n",
8128 is_mdt ? "mdt" : "ost", strerror(-rc));
8132 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
8133 char fname[PATH_MAX];
8134 char fsname[LUSTRE_MAXFSNAME + 1];
8135 int bufsize = sizeof(struct obd_uuid) * count;
8137 rc = llapi_search_fsname(mnt, fsname);
8139 fprintf(stderr, "cannot get fsname for mountpoint %s\n",
8143 buffer = malloc(bufsize + sizeof(*list) * count);
8146 list = (char **)(buffer + bufsize);
8147 snprintf(fname, PATH_MAX, "%s.%s", fsname, qctl->qc_poolname);
8148 count = llapi_get_poolmembers(fname, list, count,
8154 for (i = 0; i < count; i++) {
8155 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
8158 if (tgt_name2index(list[i], &index))
8160 qctl->qc_idx = index;
8165 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
8166 rc = llapi_quotactl(mnt, qctl);
8168 /* It is remote client case. */
8169 if (rc == -EOPNOTSUPP) {
8176 fprintf(stderr, "quotactl %s%d failed.\n",
8177 is_mdt ? "mdt" : "ost", qctl->qc_idx);
8181 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
8182 qctl->qc_valid, 0, h, false);
8183 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
8184 qctl->qc_dqblk.dqb_bhardlimit;
8189 qctl->qc_valid = valid;
8193 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
8194 int verbose, int quiet, bool human_readable,
8197 int rc1 = 0, rc2 = 0, rc3 = 0;
8198 char *obd_type = (char *)qctl->obd_type;
8199 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
8200 __u64 total_ialloc = 0, total_balloc = 0;
8201 bool use_default_for_blk = false;
8202 bool use_default_for_file = false;
8205 rc1 = llapi_quotactl(mnt, qctl);
8209 fprintf(stderr, "%s quotas are not enabled.\n",
8210 qtype_name(qctl->qc_type));
8213 fprintf(stderr, "Permission denied.\n");
8216 /* We already got error message. */
8219 fprintf(stderr, "Unexpected quotactl error: %s\n",
8224 if (!show_default && qctl->qc_id == 0) {
8225 qctl->qc_dqblk.dqb_bhardlimit = 0;
8226 qctl->qc_dqblk.dqb_bsoftlimit = 0;
8227 qctl->qc_dqblk.dqb_ihardlimit = 0;
8228 qctl->qc_dqblk.dqb_isoftlimit = 0;
8229 qctl->qc_dqblk.dqb_btime = 0;
8230 qctl->qc_dqblk.dqb_itime = 0;
8231 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
8234 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
8235 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
8236 use_default_for_blk = true;
8237 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
8240 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
8241 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
8242 use_default_for_file = true;
8243 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
8246 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
8247 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ||
8248 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT_POOL ||
8249 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
8250 print_quota_title(name, qctl, human_readable, show_default);
8252 if (rc1 && *obd_type)
8253 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
8255 if (qctl->qc_valid != QC_GENERAL)
8258 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
8259 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) &&
8260 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
8261 (QIF_LIMITS|QIF_USAGE));
8263 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
8265 if (!show_default && verbose &&
8266 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO &&
8267 qctl->qc_cmd != LUSTRE_Q_GETINFOPOOL) {
8268 char strbuf[STRBUF_LEN];
8270 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
8272 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
8274 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
8276 printf("Total allocated inode limit: %ju, total allocated block limit: %s\n",
8277 (uintmax_t)total_ialloc, strbuf);
8280 if (use_default_for_blk)
8281 printf("%cid %u is using default block quota setting\n",
8282 *qtype_name(qctl->qc_type), qctl->qc_id);
8284 if (use_default_for_file)
8285 printf("%cid %u is using default file quota setting\n",
8286 *qtype_name(qctl->qc_type), qctl->qc_id);
8288 if (rc1 || rc2 || rc3 || inacc)
8289 printf("Some errors happened when getting quota info. Some devices may be not working or deactivated. The data in \"[]\" is inaccurate.\n");
8303 static int lfs_project(int argc, char **argv)
8305 int ret = 0, err = 0, c, i;
8306 struct project_handle_control phc = { 0 };
8307 enum lfs_project_ops_t op;
8310 phc.assign_projid = false;
8311 /* default action */
8312 op = LFS_PROJECT_LIST;
8314 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
8317 if (op != LFS_PROJECT_LIST) {
8319 "%s: cannot specify '-c' '-C' '-s' together\n",
8324 op = LFS_PROJECT_CHECK;
8327 if (op != LFS_PROJECT_LIST) {
8329 "%s: cannot specify '-c' '-C' '-s' together\n",
8334 op = LFS_PROJECT_CLEAR;
8337 if (op != LFS_PROJECT_LIST) {
8339 "%s: cannot specify '-c' '-C' '-s' together\n",
8344 phc.set_inherit = true;
8345 op = LFS_PROJECT_SET;
8351 phc.keep_projid = true;
8354 phc.recursive = true;
8357 if (str2quotaid(&phc.projid, optarg)) {
8359 "Invalid project ID: %s\n",
8364 phc.assign_projid = true;
8368 phc.newline = false;
8371 fprintf(stderr, "%s: invalid option '%c'\n",
8377 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
8378 op = LFS_PROJECT_SET;
8379 phc.set_projid = true;
8380 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
8381 phc.set_projid = true;
8385 case LFS_PROJECT_CHECK:
8386 if (phc.keep_projid) {
8388 "%s: '-k' is useless together with '-c'\n",
8393 case LFS_PROJECT_CLEAR:
8396 "%s: '-0' is useless together with '-C'\n",
8400 if (phc.assign_projid) {
8402 "%s: '-p' is useless together with '-C'\n",
8407 case LFS_PROJECT_SET:
8410 "%s: '-0' is useless together with '-s'\n",
8414 if (phc.keep_projid) {
8416 "%s: '-k' is useless together with '-s'\n",
8424 "%s: '-0' is useless for list operations\n",
8434 fprintf(stderr, "%s: missing file or directory target(s)\n",
8439 for (i = 0; i < argc; i++) {
8441 case LFS_PROJECT_CHECK:
8442 err = lfs_project_check(argv[i], &phc);
8444 case LFS_PROJECT_LIST:
8445 err = lfs_project_list(argv[i], &phc);
8447 case LFS_PROJECT_CLEAR:
8448 err = lfs_project_clear(argv[i], &phc);
8450 case LFS_PROJECT_SET:
8451 err = lfs_project_set(argv[i], &phc);
8463 static int lfs_quota(int argc, char **argv)
8466 char *mnt, *name = NULL;
8467 struct if_quotactl *qctl;
8469 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
8470 __u32 valid = QC_GENERAL, idx = 0;
8471 bool human_readable = false;
8472 bool show_default = false;
8474 bool show_pools = false;
8475 struct option long_opts[] = {
8476 { .val = LFS_POOL_OPT, .name = "pool", .has_arg = optional_argument },
8478 char **poollist = NULL;
8482 qctl = calloc(1, sizeof(*qctl) + LOV_MAXPOOLNAME + 1);
8486 qctl->qc_cmd = LUSTRE_Q_GETQUOTA;
8487 qctl->qc_type = ALLQUOTA;
8488 obd_uuid = (char *)qctl->obd_uuid.uuid;
8490 while ((c = getopt_long(argc, argv, "gGi:I:o:pPqtuUvh",
8491 long_opts, NULL)) != -1) {
8494 show_default = true;
8499 show_default = true;
8504 show_default = true;
8508 if (qctl->qc_type != ALLQUOTA) {
8510 "%s quota: only one of -u, -g, or -p may be specified\n",
8515 qctl->qc_type = qtype;
8518 qctl->qc_cmd = LUSTRE_Q_GETINFO;
8521 valid = qctl->qc_valid = QC_UUID;
8522 snprintf(obd_uuid, sizeof(*obd_uuid), "%s", optarg);
8525 valid = qctl->qc_valid = QC_MDTIDX;
8526 idx = qctl->qc_idx = atoi(optarg);
8527 if (idx == 0 && *optarg != '0') {
8529 "%s quota: invalid MDT index '%s'\n",
8536 valid = qctl->qc_valid = QC_OSTIDX;
8537 idx = qctl->qc_idx = atoi(optarg);
8538 if (idx == 0 && *optarg != '0') {
8540 "%s quota: invalid OST index '%s'\n",
8553 human_readable = true;
8556 if ((!optarg) && (argv[optind] != NULL) &&
8557 (argv[optind][0] != '-') &&
8558 (argv[optind][0] != '/')) {
8559 optarg = argv[optind++];
8560 if (lfs_verify_poolarg(optarg)) {
8564 strncpy(qctl->qc_poolname, optarg,
8566 if (qctl->qc_cmd == LUSTRE_Q_GETINFO)
8567 qctl->qc_cmd = LUSTRE_Q_GETINFOPOOL;
8569 qctl->qc_cmd = LUSTRE_Q_GETQUOTAPOOL;
8573 /* optarg is NULL */
8575 qctl->qc_cmd = LUSTRE_Q_GETQUOTAPOOL;
8578 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
8579 progname, argv[optind - 1]);
8585 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
8586 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
8587 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) &&
8588 qctl->qc_type == ALLQUOTA &&
8589 optind == argc - 1 && !show_default) {
8592 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
8593 qctl->qc_type = qtype;
8594 qctl->qc_valid = valid;
8595 if (qtype == USRQUOTA) {
8596 qctl->qc_id = geteuid();
8597 rc = uid2name(&name, qctl->qc_id);
8599 qctl->qc_id = getegid();
8600 rc = gid2name(&name, qctl->qc_id);
8601 memset(&qctl->qc_dqblk, 0,
8602 sizeof(qctl->qc_dqblk));
8607 rc1 = get_print_quota(mnt, name, qctl, verbose, quiet,
8608 human_readable, show_default);
8613 /* lfs quota -u username /path/to/lustre/mount */
8614 } else if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
8615 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
8616 /* options should be followed by u/g-name and mntpoint */
8617 if ((!show_default && optind + 2 != argc) ||
8618 (show_default && optind + 1 != argc) ||
8619 qctl->qc_type == ALLQUOTA) {
8621 "%s quota: name and mount point must be specified\n",
8627 if (!show_default) {
8628 name = argv[optind++];
8629 switch (qctl->qc_type) {
8631 rc = name2uid(&qctl->qc_id, name);
8634 rc = name2gid(&qctl->qc_id, name);
8637 rc = name2projid(&qctl->qc_id, name);
8644 qctl->qc_valid = QC_GENERAL;
8645 qctl->qc_cmd = qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ?
8646 LUSTRE_Q_GETDEFAULT_POOL :
8647 LUSTRE_Q_GETDEFAULT;
8652 if (str2quotaid(&qctl->qc_id, name)) {
8653 fprintf(stderr, "%s quota: invalid id '%s'\n",
8659 } else if (optind + 1 != argc || qctl->qc_type == ALLQUOTA) {
8660 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
8671 rc = llapi_get_poolbuf(mnt, &buf, &poollist, &poolcount);
8675 for (i = 0; i < poolcount; i++) {
8676 p = memchr(poollist[i], '.', MAXNAMLEN);
8678 fprintf(stderr, "bad string format %.*s\n",
8679 MAXNAMLEN, poollist[i]);
8684 printf("Quotas for pool: %s\n", p);
8685 strncpy(qctl->qc_poolname, p, LOV_MAXPOOLNAME);
8686 rc = get_print_quota(mnt, name, qctl, verbose, quiet,
8687 human_readable, show_default);
8694 rc = get_print_quota(mnt, name, qctl, verbose, quiet,
8695 human_readable, show_default);
8701 #endif /* HAVE_SYS_QUOTA_H! */
8703 static int flushctx_ioctl(char *mp)
8707 fd = open(mp, O_RDONLY);
8709 fprintf(stderr, "flushctx: error open %s: %s\n",
8710 mp, strerror(errno));
8714 rc = ioctl(fd, LL_IOC_FLUSHCTX);
8716 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
8717 mp, strerror(errno));
8723 static int lfs_flushctx(int argc, char **argv)
8725 int kdestroy = 0, reap = 0, c;
8726 char mntdir[PATH_MAX] = {'\0'};
8730 while ((c = getopt(argc, argv, "kr")) != -1) {
8740 "error: %s: option '-%c' unrecognized\n",
8747 rc = system("kdestroy > /dev/null");
8749 rc = WEXITSTATUS(rc);
8751 "error destroying tickets: %d, continuing\n",
8756 if (optind >= argc) {
8757 /* flush for all mounted lustre fs. */
8758 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
8759 /* Check if we have a mount point */
8760 if (mntdir[0] == '\0')
8763 if (flushctx_ioctl(mntdir))
8766 mntdir[0] = '\0'; /* avoid matching in next loop */
8769 /* flush fs as specified */
8770 while (optind < argc) {
8771 if (flushctx_ioctl(argv[optind++]))
8777 rc = system("keyctl reap > /dev/null");
8779 rc = WEXITSTATUS(rc);
8780 fprintf(stderr, "error reaping keyring: %d\n", rc);
8787 static int lfs_changelog(int argc, char **argv)
8789 void *changelog_priv;
8790 struct changelog_rec *rec;
8791 long long startrec = 0, endrec = 0;
8793 struct option long_opts[] = {
8794 { .val = 'f', .name = "follow", .has_arg = no_argument },
8796 char short_opts[] = "f";
8799 while ((rc = getopt_long(argc, argv, short_opts,
8800 long_opts, NULL)) != -1) {
8807 "%s changelog: unrecognized option '%s'\n",
8808 progname, argv[optind - 1]);
8812 if (optind >= argc) {
8813 fprintf(stderr, "%s changelog: mdtname must be specified\n",
8818 mdd = argv[optind++];
8819 if (argc > optind) {
8821 startrec = strtoll(argv[optind++], NULL, 10);
8822 if (errno != 0 || startrec < 0) {
8824 "%s changelog: bad startrec\n",
8830 if (argc > optind) {
8832 endrec = strtoll(argv[optind++], NULL, 10);
8833 if (errno != 0 || endrec < 0) {
8835 "%s changelog: bad endrec\n",
8841 rc = llapi_changelog_start(&changelog_priv,
8842 CHANGELOG_FLAG_BLOCK |
8843 CHANGELOG_FLAG_JOBID |
8844 CHANGELOG_FLAG_EXTRA_FLAGS |
8845 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
8848 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
8849 progname, strerror(errno = -rc));
8853 rc = llapi_changelog_set_xflags(changelog_priv,
8854 CHANGELOG_EXTRA_FLAG_UIDGID |
8855 CHANGELOG_EXTRA_FLAG_NID |
8856 CHANGELOG_EXTRA_FLAG_OMODE |
8857 CHANGELOG_EXTRA_FLAG_XATTR);
8860 "%s changelog: cannot set xflags for changelog: %s\n",
8861 progname, strerror(errno = -rc));
8865 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
8869 if (endrec && rec->cr_index > endrec) {
8870 llapi_changelog_free(&rec);
8873 if (rec->cr_index < startrec) {
8874 llapi_changelog_free(&rec);
8878 secs = rec->cr_time >> 30;
8879 gmtime_r(&secs, &ts);
8880 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
8881 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
8882 changelog_type2str(rec->cr_type),
8883 ts.tm_hour, ts.tm_min, ts.tm_sec,
8884 (int)(rec->cr_time & ((1 << 30) - 1)),
8885 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
8886 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
8888 if (rec->cr_flags & CLF_JOBID) {
8889 struct changelog_ext_jobid *jid =
8890 changelog_rec_jobid(rec);
8892 if (jid->cr_jobid[0] != '\0')
8893 printf(" j=%s", jid->cr_jobid);
8896 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
8897 struct changelog_ext_extra_flags *ef =
8898 changelog_rec_extra_flags(rec);
8900 printf(" ef=0x%llx",
8901 (unsigned long long)ef->cr_extra_flags);
8903 if (ef->cr_extra_flags & CLFE_UIDGID) {
8904 struct changelog_ext_uidgid *uidgid =
8905 changelog_rec_uidgid(rec);
8907 printf(" u=%llu:%llu",
8908 (unsigned long long)uidgid->cr_uid,
8909 (unsigned long long)uidgid->cr_gid);
8911 if (ef->cr_extra_flags & CLFE_NID) {
8912 struct changelog_ext_nid *nid =
8913 changelog_rec_nid(rec);
8916 libcfs_nid2str(nid->cr_nid));
8919 if (ef->cr_extra_flags & CLFE_OPEN) {
8920 struct changelog_ext_openmode *omd =
8921 changelog_rec_openmode(rec);
8922 char mode[] = "---";
8924 /* exec mode must be exclusive */
8925 if (omd->cr_openflags & MDS_FMODE_EXEC) {
8928 if (omd->cr_openflags & MDS_FMODE_READ)
8930 if (omd->cr_openflags &
8937 if (strcmp(mode, "---") != 0)
8938 printf(" m=%s", mode);
8941 if (ef->cr_extra_flags & CLFE_XATTR) {
8942 struct changelog_ext_xattr *xattr =
8943 changelog_rec_xattr(rec);
8945 if (xattr->cr_xattr[0] != '\0')
8946 printf(" x=%s", xattr->cr_xattr);
8950 if (!fid_is_zero(&rec->cr_pfid))
8951 printf(" p="DFID, PFID(&rec->cr_pfid));
8952 if (rec->cr_namelen)
8953 printf(" %.*s", rec->cr_namelen,
8954 changelog_rec_name(rec));
8956 if (rec->cr_flags & CLF_RENAME) {
8957 struct changelog_ext_rename *rnm =
8958 changelog_rec_rename(rec);
8960 if (!fid_is_zero(&rnm->cr_sfid))
8961 printf(" s="DFID" sp="DFID" %.*s",
8962 PFID(&rnm->cr_sfid),
8963 PFID(&rnm->cr_spfid),
8964 (int)changelog_rec_snamelen(rec),
8965 changelog_rec_sname(rec));
8969 llapi_changelog_free(&rec);
8972 llapi_changelog_fini(&changelog_priv);
8975 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
8976 progname, strerror(errno = -rc));
8978 return (rc == 1 ? 0 : rc);
8981 static int lfs_changelog_clear(int argc, char **argv)
8990 endrec = strtoll(argv[3], NULL, 10);
8991 if (errno != 0 || endrec < 0) {
8993 "%s: bad endrec '%s'\n",
8998 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
9001 fprintf(stderr, "%s: record out of range: %llu\n",
9003 else if (rc == -ENOENT)
9004 fprintf(stderr, "%s: no changelog user: %s\n",
9007 fprintf(stderr, "%s error: %s\n", argv[0],
9016 static void rstripc(char *str, int c)
9018 char *end = str + strlen(str);
9020 for (; str < end && end[-1] == c; --end)
9024 static int lfs_fid2path(int argc, char **argv)
9026 struct option long_opts[] = {
9027 { .val = 'c', .name = "cur", .has_arg = no_argument },
9028 { .val = 'c', .name = "current", .has_arg = no_argument },
9029 { .val = 'c', .name = "print-link", .has_arg = no_argument },
9030 { .val = 'f', .name = "print-fid", .has_arg = no_argument },
9031 { .val = 'l', .name = "link", .has_arg = required_argument },
9033 char short_opts[] = "cfl:pr:";
9034 bool print_link = false;
9035 bool print_fid = false;
9037 char mnt_dir[PATH_MAX] = "";
9039 char *path_or_fsname;
9040 long long recno = -1;
9042 char *endptr = NULL;
9047 while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) {
9057 linkno = strtol(optarg, &endptr, 10);
9058 if (errno != 0 || *endptr != '\0' || linkno < 0) {
9060 "%s fid2path: invalid linkno '%s'\n",
9066 /* recno is something to do with changelogs
9067 * that was never implemented. We just pass it
9068 * through for the MDT to ignore.
9071 recno = strtoll(optarg, &endptr, 10);
9072 if (errno != 0 || *endptr != '\0' || recno < 0) {
9074 "%s fid2path: invalid recno '%s'\n",
9081 "%s fid2path: unrecognized option '%s'\n",
9082 progname, argv[optind - 1]);
9087 if (argc - optind < 2) {
9089 "Usage: %s fid2path FSNAME|ROOT FID...\n",
9094 path_or_fsname = argv[optind];
9096 if (*path_or_fsname == '/') {
9097 print_mnt_dir = true;
9098 rc = llapi_search_mounts(path_or_fsname, 0, mnt_dir, NULL);
9100 print_mnt_dir = false;
9101 rc = llapi_search_rootpath(mnt_dir, path_or_fsname);
9106 "%s fid2path: cannot resolve mount point for '%s': %s\n",
9107 progname, path_or_fsname, strerror(-rc));
9111 mnt_fd = open(mnt_dir, O_RDONLY | O_DIRECTORY);
9114 "%s fid2path: cannot open mount point for '%s': %s\n",
9115 progname, path_or_fsname, strerror(-rc));
9119 /* Strip trailing slashes from mnt_dir. */
9120 rstripc(mnt_dir + 1, '/');
9122 for (i = optind + 1; i < argc; i++) {
9123 const char *fid_str = argv[i];
9127 rc2 = llapi_fid_parse(fid_str, &fid, NULL);
9130 "%s fid2path: invalid FID '%s'\n",
9138 int linktmp = (linkno >= 0) ? linkno : 0;
9140 int oldtmp = linktmp;
9141 long long rectmp = recno;
9142 char path_buf[PATH_MAX];
9144 rc2 = llapi_fid2path_at(mnt_fd, &fid,
9145 path_buf, sizeof(path_buf), &rectmp, &linktmp);
9148 "%s fid2path: cannot find %s %s: %s\n",
9149 progname, path_or_fsname, fid_str,
9157 printf("%s ", fid_str);
9160 printf("%d ", linktmp);
9162 /* You may think this looks wrong or weird (and it is!)
9163 * but we are actually trying to preserve the old quirky
9164 * behaviors (enforced by our old quirky tests!) that
9165 * make lfs so much fun to work on:
9167 * lustre 0x200000007:0x1:0x0 => "/"
9168 * /mnt/lustre 0x200000007:0x1:0x0 => "/mnt/lustre//"
9170 * Note that llapi_fid2path() returns "" for the root
9174 print_mnt_dir ? mnt_dir : "",
9175 (print_mnt_dir || *path_buf == '\0') ? "/" : "",
9179 /* specified linkno */
9182 if (oldtmp == linktmp)
9194 static int lfs_path2fid(int argc, char **argv)
9196 struct option long_opts[] = {
9197 { .val = 'p', .name = "parents", .has_arg = no_argument },
9200 const char short_opts[] = "p";
9201 const char *sep = "";
9204 bool show_parents = false;
9206 while ((rc = getopt_long(argc, argv, short_opts,
9207 long_opts, NULL)) != -1) {
9210 show_parents = true;
9214 "%s path2fid: unrecognized option '%s'\n",
9215 progname, argv[optind - 1]);
9220 if (optind > argc - 1) {
9221 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
9224 } else if (optind < argc - 1) {
9229 for (path = argv + optind; *path != NULL; path++) {
9232 if (!show_parents) {
9233 err = llapi_path2fid(*path, &fid);
9235 printf("%s%s"DFID"\n",
9236 *sep != '\0' ? *path : "", sep,
9239 char name[NAME_MAX + 1];
9240 unsigned int linkno = 0;
9242 while ((err = llapi_path2parent(*path, linkno, &fid,
9243 name, sizeof(name))) == 0) {
9244 if (*sep != '\0' && linkno == 0)
9245 printf("%s%s", *path, sep);
9247 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
9252 /* err == -ENODATA is end-of-loop */
9253 if (linkno > 0 && err == -ENODATA) {
9261 "%s path2fid: cannot get %sfid for '%s': %s\n",
9262 progname, show_parents ? "parent " : "", *path,
9274 #define MAX_ERRNO 4095
9275 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
9277 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
9281 rc = llapi_rmfid(device, fa);
9283 fprintf(stderr, "%s rmfid: cannot remove FIDs: %s\n",
9284 progname, strerror(-rc));
9288 for (k = 0; k < fa->fa_nr; k++) {
9289 rc2 = (__s32)fa->fa_fids[k].f_ver;
9290 if (!IS_ERR_VALUE(rc2))
9296 fa->fa_fids[k].f_ver = 0;
9297 fprintf(stderr, "%s rmfid: cannot remove "DFID": %s\n",
9298 progname, PFID(&fa->fa_fids[k]), strerror(-rc2));
9304 static int lfs_rmfid(int argc, char **argv)
9306 char *fidstr, *device;
9307 int rc = 0, rc2, nr;
9308 struct fid_array *fa;
9310 if (optind > argc - 1) {
9311 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
9315 device = argv[optind++];
9318 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
9324 while (optind < argc) {
9327 fidstr = argv[optind++];
9328 while (*fidstr == '[')
9330 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
9332 fprintf(stderr, "unrecognized FID: %s\n",
9337 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
9338 /* start another batch */
9339 rc2 = lfs_rmfid_and_show_errors(device, fa);
9346 rc2 = lfs_rmfid_and_show_errors(device, fa);
9354 static int lfs_data_version(int argc, char **argv)
9356 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
9364 fprintf(stderr, "%s: FILE must be specified\n",
9369 while ((c = getopt(argc, argv, "hnrw")) != -1) {
9372 data_version_flags = 0;
9375 data_version_flags |= LL_DV_RD_FLUSH;
9378 data_version_flags |= LL_DV_WR_FLUSH;
9382 "%s data_version: unrecognized option '%s'\n",
9383 progname, argv[optind - 1]);
9389 if (optind == argc) {
9390 fprintf(stderr, "%s data_version: FILE must be specified\n",
9395 path = argv[optind];
9396 fd = open(path, O_RDONLY);
9399 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
9400 progname, path, strerror(-rc));
9404 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
9407 "%s data_version: cannot get version for '%s': %s\n",
9408 progname, path, strerror(-rc));
9410 printf("%ju" "\n", (uintmax_t)data_version);
9416 static int lfs_hsm_state(int argc, char **argv)
9421 struct hsm_user_state hus;
9429 rc = llapi_hsm_state_get(path, &hus);
9431 fprintf(stderr, "can't get hsm state for %s: %s\n",
9432 path, strerror(errno = -rc));
9436 /* Display path name and status flags */
9437 printf("%s: (0x%08x)", path, hus.hus_states);
9439 if (hus.hus_states & HS_RELEASED)
9440 printf(" released");
9441 if (hus.hus_states & HS_EXISTS)
9443 if (hus.hus_states & HS_DIRTY)
9445 if (hus.hus_states & HS_ARCHIVED)
9446 printf(" archived");
9447 /* Display user-settable flags */
9448 if (hus.hus_states & HS_NORELEASE)
9449 printf(" never_release");
9450 if (hus.hus_states & HS_NOARCHIVE)
9451 printf(" never_archive");
9452 if (hus.hus_states & HS_LOST)
9453 printf(" lost_from_hsm");
9455 if (hus.hus_archive_id != 0)
9456 printf(", archive_id:%d", hus.hus_archive_id);
9459 } while (++i < argc);
9464 #define LFS_HSM_SET 0
9465 #define LFS_HSM_CLEAR 1
9468 * Generic function to set or clear HSM flags.
9469 * Used by hsm_set and hsm_clear.
9471 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
9473 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
9475 struct option long_opts[] = {
9476 { .val = 'A', .name = "archived", .has_arg = no_argument },
9477 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
9478 { .val = 'd', .name = "dirty", .has_arg = no_argument },
9479 { .val = 'e', .name = "exists", .has_arg = no_argument },
9480 { .val = 'h', .name = "help", .has_arg = no_argument },
9481 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
9482 { .val = 'l', .name = "lost", .has_arg = no_argument },
9483 { .val = 'r', .name = "norelease", .has_arg = no_argument },
9488 __u32 archive_id = 0;
9494 while ((c = getopt_long(argc, argv, "aAdehi:lr",
9495 long_opts, NULL)) != -1) {
9501 mask |= HS_NOARCHIVE;
9504 mask |= HS_ARCHIVED;
9507 mask |= HS_NORELEASE;
9517 archive_id = strtol(optarg, &end, 10);
9518 if (errno != 0 || *end != '\0' || archive_id < 0) {
9520 "%s: invalid archive_id: '%s'\n",
9526 fprintf(stderr, "%s: unrecognized option '%s'\n",
9527 progname, argv[optind - 1]);
9534 /* User should have specified a flag */
9538 while (optind < argc) {
9539 path = argv[optind];
9541 /* If mode == 0, this means we apply the mask. */
9542 if (mode == LFS_HSM_SET)
9543 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
9545 rc = llapi_hsm_state_set(path, 0, mask, 0);
9548 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
9549 path, strerror(errno = -rc));
9558 static int lfs_hsm_action(int argc, char **argv)
9563 struct hsm_current_action hca;
9564 struct hsm_extent he;
9565 enum hsm_user_action hua;
9566 enum hsm_progress_states hps;
9574 rc = llapi_hsm_current_action(path, &hca);
9576 fprintf(stderr, "can't get hsm action for %s: %s\n",
9577 path, strerror(errno = -rc));
9580 he = hca.hca_location;
9581 hua = hca.hca_action;
9582 hps = hca.hca_state;
9584 printf("%s: %s", path, hsm_user_action2name(hua));
9586 /* Skip file without action */
9587 if (hca.hca_action == HUA_NONE) {
9592 printf(" %s ", hsm_progress_state2name(hps));
9594 if ((hps == HPS_RUNNING) &&
9595 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
9596 printf("(%llu bytes moved)\n",
9597 (unsigned long long)he.length);
9598 else if ((he.offset + he.length) == LUSTRE_EOF)
9599 printf("(from %llu to EOF)\n",
9600 (unsigned long long)he.offset);
9602 printf("(from %llu to %llu)\n",
9603 (unsigned long long)he.offset,
9604 (unsigned long long)(he.offset + he.length));
9606 } while (++i < argc);
9611 static int lfs_hsm_set(int argc, char **argv)
9613 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
9616 static int lfs_hsm_clear(int argc, char **argv)
9618 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
9622 * Check file state and return its fid, to be used by lfs_hsm_request().
9624 * \param[in] file Path to file to check
9625 * \param[in,out] fid Pointer to allocated lu_fid struct.
9626 * \param[in,out] last_dev Pointer to last device id used.
9628 * \return 0 on success.
9630 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
9636 rc = lstat(file, &st);
9638 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
9642 * Checking for regular file as archiving as posix copytool
9643 * rejects archiving files other than regular files
9645 if (!S_ISREG(st.st_mode)) {
9646 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
9649 /* A request should be ... */
9650 if (*last_dev != st.st_dev && *last_dev != 0) {
9652 "All files should be on the same filesystem: %s\n",
9656 *last_dev = st.st_dev;
9658 rc = llapi_path2fid(file, fid);
9660 fprintf(stderr, "Cannot read FID of %s: %s\n",
9661 file, strerror(-rc));
9667 /* Fill an HSM HUR item with a given file name.
9669 * If mntpath is set, then the filename is actually a FID, and no
9670 * lookup on the filesystem will be performed.
9672 * \param[in] hur the user request to fill
9673 * \param[in] idx index of the item inside the HUR to fill
9674 * \param[in] mntpath mountpoint of Lustre
9675 * \param[in] fname filename (if mtnpath is NULL)
9676 * or FID (if mntpath is set)
9677 * \param[in] last_dev pointer to last device id used
9679 * \retval 0 on success
9680 * \retval CMD_HELP or a negative errno on error
9682 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
9683 const char *mntpath, const char *fname,
9686 struct hsm_user_item *hui = &hur->hur_user_item[idx];
9689 hui->hui_extent.length = -1;
9692 rc = llapi_fid_parse(fname, &hui->hui_fid, NULL);
9694 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
9697 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
9701 hur->hur_request.hr_itemcount++;
9706 static int lfs_hsm_request(int argc, char **argv, int action)
9708 struct option long_opts[] = {
9709 { .val = 'a', .name = "archive", .has_arg = required_argument },
9710 { .val = 'D', .name = "data", .has_arg = required_argument },
9711 { .val = 'h', .name = "help", .has_arg = no_argument },
9712 { .val = 'l', .name = "filelist", .has_arg = required_argument },
9713 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
9716 struct hsm_user_request *hur, *oldhur;
9721 char *filelist = NULL;
9722 char fullpath[PATH_MAX];
9723 char *opaque = NULL;
9727 int nbfile_alloc = 0;
9728 char *some_file = NULL;
9729 char *mntpath = NULL;
9735 while ((c = getopt_long(argc, argv, "a:D:hl:m:",
9736 long_opts, NULL)) != -1) {
9745 if (action != HUA_ARCHIVE &&
9746 action != HUA_REMOVE) {
9748 "error: -a is supported only when archiving or removing\n");
9751 archive_id = atoi(optarg);
9756 some_file = strdup(optarg);
9760 fprintf(stderr, "%s: unrecognized option '%s'\n",
9761 progname, argv[optind - 1]);
9768 /* All remaining args are files, so we have at least nbfile */
9769 nbfile = argc - optind;
9771 if ((nbfile == 0) && (!filelist))
9775 opaque_len = strlen(opaque);
9778 * Alloc the request structure with enough place to store all files
9779 * from command line.
9781 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
9783 fprintf(stderr, "Cannot create the request: %s\n",
9787 nbfile_alloc = nbfile;
9789 hur->hur_request.hr_action = action;
9790 hur->hur_request.hr_archive_id = archive_id;
9791 hur->hur_request.hr_flags = 0;
9793 /* All remaining args are files, add them */
9794 if (nbfile != 0 && some_file == NULL)
9795 some_file = strdup(argv[optind]);
9797 for (i = 0; i < nbfile; i++) {
9798 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
9804 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
9806 /* If a filelist was specified, read the filelist from it. */
9808 fp = fopen(filelist, "r");
9810 fprintf(stderr, "Cannot read the file list %s: %s\n",
9811 filelist, strerror(errno));
9816 while ((rc = getline(&line, &len, fp)) != -1) {
9818 * If allocated buffer was too small, get something
9821 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
9824 nbfile_alloc = nbfile_alloc * 2 + 1;
9826 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
9830 "hsm: cannot allocate the request: %s\n",
9837 size = hur_len(oldhur);
9840 "hsm: cannot allocate %u files + %u bytes data\n",
9841 oldhur->hur_request.hr_itemcount,
9842 oldhur->hur_request.hr_data_len);
9849 memcpy(hur, oldhur, size);
9854 if (line[strlen(line) - 1] == '\n')
9855 line[strlen(line) - 1] = '\0';
9857 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
9858 mntpath, line, &last_dev);
9874 /* If a --data was used, add it to the request */
9875 hur->hur_request.hr_data_len = opaque_len;
9877 memcpy(hur_data(hur), opaque, opaque_len);
9879 /* Send the HSM request */
9880 if (realpath(some_file, fullpath) == NULL) {
9881 fprintf(stderr, "Could not find path '%s': %s\n",
9882 some_file, strerror(errno));
9884 rc = llapi_hsm_request(fullpath, hur);
9886 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
9887 some_file, strerror(-rc));
9897 static int lfs_hsm_archive(int argc, char **argv)
9899 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
9902 static int lfs_hsm_restore(int argc, char **argv)
9904 return lfs_hsm_request(argc, argv, HUA_RESTORE);
9907 static int lfs_hsm_release(int argc, char **argv)
9909 return lfs_hsm_request(argc, argv, HUA_RELEASE);
9912 static int lfs_hsm_remove(int argc, char **argv)
9914 return lfs_hsm_request(argc, argv, HUA_REMOVE);
9917 static int lfs_hsm_cancel(int argc, char **argv)
9919 return lfs_hsm_request(argc, argv, HUA_CANCEL);
9922 static int lfs_swap_layouts(int argc, char **argv)
9927 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
9928 SWAP_LAYOUTS_KEEP_MTIME |
9929 SWAP_LAYOUTS_KEEP_ATIME);
9932 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
9934 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
9936 int lfs_get_mode(const char *string)
9938 enum lock_mode_user mode;
9940 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
9941 if (lock_mode_names[mode] == NULL)
9943 if (strcasecmp(string, lock_mode_names[mode]) == 0)
9950 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
9952 enum lu_ladvise_type advice;
9955 advice < ARRAY_SIZE(ladvise_names); advice++) {
9956 if (ladvise_names[advice] == NULL)
9958 if (strcmp(string, ladvise_names[advice]) == 0)
9962 return LU_LADVISE_INVALID;
9965 static int lfs_ladvise(int argc, char **argv)
9967 struct option long_opts[] = {
9968 { .val = 'a', .name = "advice", .has_arg = required_argument },
9969 { .val = 'b', .name = "background", .has_arg = no_argument },
9970 { .val = 'e', .name = "end", .has_arg = required_argument },
9971 { .val = 'h', .name = "help", .has_arg = no_argument },
9972 { .val = 'l', .name = "length", .has_arg = required_argument },
9973 { .val = 'm', .name = "mode", .has_arg = required_argument },
9974 { .val = 's', .name = "start", .has_arg = required_argument },
9975 { .val = 'u', .name = "unset", .has_arg = no_argument },
9977 struct llapi_lu_ladvise advice;
9978 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
9979 unsigned long long start = 0;
9980 unsigned long long end = LUSTRE_EOF;
9981 unsigned long long length = 0;
9982 unsigned long long size_units;
9983 unsigned long long flags = 0;
9989 while ((c = getopt_long(argc, argv, "a:be:hl:m:s:u",
9990 long_opts, NULL)) != -1) {
9993 advice_type = lfs_get_ladvice(optarg);
9994 if (advice_type == LU_LADVISE_INVALID) {
9996 "%s: invalid advice type '%s'\n",
9998 fprintf(stderr, "Valid types:");
10000 for (advice_type = 0;
10001 advice_type < ARRAY_SIZE(ladvise_names);
10003 if (ladvise_names[advice_type] == NULL)
10005 fprintf(stderr, " %s",
10006 ladvise_names[advice_type]);
10008 fprintf(stderr, "\n");
10021 rc = llapi_parse_size(optarg, &end,
10024 fprintf(stderr, "%s: bad end offset '%s'\n",
10031 rc = llapi_parse_size(optarg, &start,
10035 "%s: bad start offset '%s'\n",
10042 rc = llapi_parse_size(optarg, &length,
10045 fprintf(stderr, "%s: bad length '%s'\n",
10051 mode = lfs_get_mode(optarg);
10054 "%s: bad mode '%s', valid modes are READ or WRITE\n",
10060 fprintf(stderr, "%s: unrecognized option '%s'\n",
10061 progname, argv[optind - 1]);
10068 if (advice_type == LU_LADVISE_INVALID) {
10069 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
10070 fprintf(stderr, "Valid types:");
10071 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
10073 if (ladvise_names[advice_type] == NULL)
10075 fprintf(stderr, " %s", ladvise_names[advice_type]);
10077 fprintf(stderr, "\n");
10081 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
10083 "%s: Lock no expand advice is a per file descriptor advice, so when called from lfs, it does nothing.\n",
10088 if (argc <= optind) {
10089 fprintf(stderr, "%s: please give one or more file names\n",
10094 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
10095 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
10100 if (end == LUSTRE_EOF && length != 0)
10101 end = start + length;
10103 if (end <= start) {
10104 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
10105 argv[0], start, end);
10109 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
10110 fprintf(stderr, "%s: mode is only valid with lockahead\n",
10115 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
10116 fprintf(stderr, "%s: mode is required with lockahead\n",
10121 while (optind < argc) {
10124 path = argv[optind++];
10126 fd = open(path, O_RDONLY);
10128 fprintf(stderr, "%s: cannot open file '%s': %s\n",
10129 argv[0], path, strerror(errno));
10134 advice.lla_start = start;
10135 advice.lla_end = end;
10136 advice.lla_advice = advice_type;
10137 advice.lla_value1 = 0;
10138 advice.lla_value2 = 0;
10139 advice.lla_value3 = 0;
10140 advice.lla_value4 = 0;
10141 if (advice_type == LU_LADVISE_LOCKAHEAD) {
10142 advice.lla_lockahead_mode = mode;
10143 advice.lla_peradvice_flags = flags;
10146 rc2 = llapi_ladvise(fd, flags, 1, &advice);
10150 "%s: cannot give advice '%s' to file '%s': %s\n",
10151 argv[0], ladvise_names[advice_type],
10152 path, strerror(errno));
10158 if (rc == 0 && rc2 < 0)
10164 static const char *const heat_names[] = LU_HEAT_NAMES;
10166 static int lfs_heat_get(int argc, char **argv)
10168 struct lu_heat *heat;
10177 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
10179 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
10184 while (optind < argc) {
10185 path = argv[optind++];
10187 fd = open(path, O_RDONLY);
10189 fprintf(stderr, "%s: cannot open file '%s': %s\n",
10190 argv[0], path, strerror(errno));
10195 heat->lh_count = OBD_HEAT_COUNT;
10196 rc2 = llapi_heat_get(fd, heat);
10200 "%s: cannot get heat of file '%s': %s\n",
10201 argv[0], path, strerror(errno));
10205 printf("flags: %x\n", heat->lh_flags);
10206 for (i = 0; i < heat->lh_count; i++)
10207 printf("%s: %llu\n", heat_names[i],
10208 (unsigned long long)heat->lh_heat[i]);
10210 if (rc == 0 && rc2 < 0)
10218 static int lfs_heat_set(int argc, char **argv)
10220 struct option long_opts[] = {
10221 { .val = 'c', .name = "clear", .has_arg = no_argument },
10222 { .val = 'h', .name = "help", .has_arg = no_argument },
10223 { .val = 'o', .name = "off", .has_arg = no_argument },
10224 { .val = 'O', .name = "on", .has_arg = no_argument },
10225 { .name = NULL } };
10226 enum lu_heat_flag flags = 0;
10236 while ((c = getopt_long(argc, argv, "choO", long_opts, NULL)) != -1) {
10239 flags |= LU_HEAT_FLAG_CLEAR;
10242 flags |= LU_HEAT_FLAG_CLEAR;
10243 flags |= LU_HEAT_FLAG_OFF;
10246 flags &= ~LU_HEAT_FLAG_OFF;
10249 fprintf(stderr, "%s: unrecognized option '%s'\n",
10250 progname, argv[optind - 1]);
10257 if (argc <= optind) {
10258 fprintf(stderr, "%s: please give one or more file names\n",
10263 while (optind < argc) {
10264 path = argv[optind++];
10266 fd = open(path, O_RDONLY);
10268 fprintf(stderr, "%s: cannot open file '%s': %s\n",
10269 argv[0], path, strerror(errno));
10274 rc2 = llapi_heat_set(fd, flags);
10278 "%s: cannot setflags heat of file '%s': %s\n",
10279 argv[0], path, strerror(errno));
10283 if (rc == 0 && rc2 < 0)
10290 * The input string contains a comma delimited list of component ids and
10291 * ranges, for example "1,2-4,7".
10293 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
10295 bool end_of_loop = false;
10303 while (!end_of_loop) {
10307 char *endptr = NULL;
10310 ptr = strchrnul(arg, ',');
10311 end_of_loop = *ptr == '\0';
10314 start_index = strtol(arg, &endptr, 0);
10315 if (endptr == arg) /* no data at all */
10317 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
10319 if (start_index < 0)
10322 end_index = start_index;
10323 if (*endptr == '-') {
10324 end_index = strtol(endptr + 1, &endptr, 0);
10325 if (*endptr != '\0')
10327 if (end_index < start_index)
10331 for (i = start_index; i <= end_index && size > 0; i++) {
10334 /* remove duplicate */
10335 for (j = 0; j < nr; j++) {
10339 if (j == nr) { /* no duplicate */
10345 if (size == 0 && i < end_index)
10352 if (!end_of_loop && ptr)
10355 return rc < 0 ? rc : nr;
10359 * struct verify_mirror_id - Mirror id to be verified.
10360 * @mirror_id: A specified mirror id.
10361 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
10363 struct verify_mirror_id {
10369 * compare_mirror_ids() - Compare mirror ids.
10370 * @layout: Mirror component list.
10371 * @cbdata: Callback data in verify_mirror_id structure.
10373 * This is a callback function called by llapi_layout_comp_iterate()
10374 * to compare the specified mirror id with the one in the current
10375 * component of @layout. If they are the same, then the specified
10376 * mirror id is valid.
10378 * Return: a negative error code on failure or
10379 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
10380 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
10383 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
10385 struct verify_mirror_id *mirror_id_cbdata =
10386 (struct verify_mirror_id *)cbdata;
10387 uint32_t mirror_id;
10390 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10394 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10395 progname, strerror(errno));
10399 if (mirror_id_cbdata->mirror_id == mirror_id) {
10400 mirror_id_cbdata->is_valid_id = true;
10401 return LLAPI_LAYOUT_ITER_STOP;
10404 return LLAPI_LAYOUT_ITER_CONT;
10408 * verify_mirror_ids() - Verify specified mirror ids.
10409 * @fname: Mirrored file name.
10410 * @mirror_ids: Specified mirror ids to be verified.
10411 * @ids_nr: Number of specified mirror ids.
10413 * This function verifies that specified @mirror_ids are valid
10414 * in the mirrored file @fname.
10416 * Return: 0 on success or a negative error code on failure.
10419 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
10421 struct llapi_layout *layout = NULL;
10422 struct verify_mirror_id mirror_id_cbdata = { 0 };
10424 uint32_t flr_state;
10433 if (stat(fname, &stbuf) < 0) {
10434 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10435 progname, fname, strerror(errno));
10440 if (!S_ISREG(stbuf.st_mode)) {
10441 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10447 fd = open(fname, O_DIRECT | O_RDONLY);
10449 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10450 progname, fname, strerror(errno));
10455 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10457 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10458 progname, fname, strerror(errno));
10462 layout = llapi_layout_get_by_fd(fd, 0);
10464 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10465 progname, fname, strerror(errno));
10467 llapi_lease_release(fd);
10471 rc = llapi_layout_flags_get(layout, &flr_state);
10473 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10474 progname, fname, strerror(errno));
10479 flr_state &= LCM_FL_FLR_MASK;
10480 switch (flr_state) {
10483 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10484 progname, fname, llapi_layout_flags_string(flr_state));
10491 for (i = 0; i < ids_nr; i++) {
10492 mirror_id_cbdata.mirror_id = mirror_ids[i];
10493 mirror_id_cbdata.is_valid_id = false;
10495 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
10496 &mirror_id_cbdata);
10500 "%s: '%s' failed to verify mirror id: %u.\n",
10501 progname, fname, mirror_ids[i]);
10505 if (!mirror_id_cbdata.is_valid_id) {
10508 "%s: '%s' invalid specified mirror id: %u.\n",
10509 progname, fname, mirror_ids[i]);
10515 llapi_layout_free(layout);
10516 llapi_lease_release(fd);
10524 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
10525 __u16 *mirror_ids, int ids_nr)
10527 struct llapi_resync_comp comp_array[1024] = { { 0 } };
10528 struct llapi_layout *layout;
10530 uint32_t flr_state;
10539 if (stat(fname, &stbuf) < 0) {
10540 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10541 progname, fname, strerror(errno));
10545 if (!S_ISREG(stbuf.st_mode)) {
10546 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10552 fd = open(fname, O_DIRECT | O_RDWR);
10554 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10555 progname, fname, strerror(errno));
10560 layout = llapi_layout_get_by_fd(fd, 0);
10562 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10563 progname, fname, strerror(errno));
10568 rc = llapi_layout_flags_get(layout, &flr_state);
10570 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10571 progname, fname, strerror(errno));
10576 flr_state &= LCM_FL_FLR_MASK;
10577 if (flr_state == LCM_FL_NONE) {
10579 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
10584 /* get stale component info */
10585 comp_size = llapi_mirror_find_stale(layout, comp_array,
10586 ARRAY_SIZE(comp_array),
10587 mirror_ids, ids_nr);
10588 if (comp_size <= 0) {
10593 ioc->lil_mode = LL_LEASE_WRLCK;
10594 ioc->lil_flags = LL_LEASE_RESYNC;
10595 rc = llapi_lease_set(fd, ioc);
10597 if (rc == -EALREADY)
10601 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
10602 progname, fname, strerror(-rc));
10606 /* get the read range [start, end) */
10607 start = comp_array[0].lrc_start;
10608 end = comp_array[0].lrc_end;
10609 for (idx = 1; idx < comp_size; idx++) {
10610 if (comp_array[idx].lrc_start < start)
10611 start = comp_array[idx].lrc_start;
10612 if (end < comp_array[idx].lrc_end)
10613 end = comp_array[idx].lrc_end;
10616 rc = llapi_lease_check(fd);
10617 if (rc != LL_LEASE_WRLCK) {
10618 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10623 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
10626 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
10627 progname, fname, strerror(-rc));
10629 /* need to do the lease unlock even resync fails */
10630 ioc->lil_mode = LL_LEASE_UNLCK;
10631 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10632 ioc->lil_count = 0;
10633 for (idx = 0; idx < comp_size; idx++) {
10634 if (comp_array[idx].lrc_synced) {
10635 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
10640 rc2 = llapi_lease_set(fd, ioc);
10642 * llapi_lease_set returns lease mode when it request to unlock
10646 /* rc2 == 0 means lost lease lock */
10647 if (rc2 == 0 && rc == 0)
10649 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
10651 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
10655 llapi_layout_free(layout);
10662 static inline int lfs_mirror_resync(int argc, char **argv)
10664 struct option long_opts[] = {
10665 { .val = 'h', .name = "help", .has_arg = no_argument },
10666 { .val = 'o', .name = "only", .has_arg = required_argument },
10667 { .name = NULL } };
10668 struct ll_ioc_lease *ioc = NULL;
10669 __u16 mirror_ids[128] = { 0 };
10674 while ((c = getopt_long(argc, argv, "ho:", long_opts, NULL)) >= 0) {
10677 rc = parse_mirror_ids(mirror_ids,
10678 sizeof(mirror_ids) / sizeof(__u16),
10682 "%s: bad mirror ids '%s'.\n",
10689 fprintf(stderr, "%s: unrecognized option '%s'\n",
10690 progname, argv[optind - 1]);
10698 if (argc == optind) {
10699 fprintf(stderr, "%s: no file name given.\n", argv[0]);
10704 if (ids_nr > 0 && argc > optind + 1) {
10706 "%s: option '--only' cannot be used upon multiple files.\n",
10713 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10718 /* set the lease on the file */
10719 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
10721 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
10722 argv[0], strerror(errno));
10727 for (; optind < argc; optind++) {
10728 rc = lfs_mirror_resync_file(argv[optind], ioc,
10729 mirror_ids, ids_nr);
10730 /* ignore previous file's error, continue with next file */
10733 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
10741 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
10743 struct llapi_layout *layout;
10746 layout = llapi_layout_get_by_fd(fd, 0);
10748 fprintf(stderr, "could not get layout.\n");
10752 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
10754 fprintf(stderr, "failed to iterate layout\n");
10755 llapi_layout_free(layout);
10758 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
10759 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
10760 llapi_layout_free(layout);
10764 llapi_layout_free(layout);
10770 * Check whether two files are the same file
10771 * \retval 0 same file
10772 * \retval 1 not the same file
10773 * \retval <0 error code
10775 static inline int check_same_file(int fd, const char *f2)
10777 struct stat stbuf1;
10778 struct stat stbuf2;
10780 if (fstat(fd, &stbuf1) < 0)
10783 if (stat(f2, &stbuf2) < 0)
10786 if (stbuf1.st_rdev == stbuf2.st_rdev &&
10787 stbuf1.st_ino == stbuf2.st_ino)
10793 static inline int lfs_mirror_read(int argc, char **argv)
10796 __u16 mirror_id = 0;
10797 const char *outfile = NULL;
10803 const size_t buflen = 4 << 20;
10805 struct option long_opts[] = {
10806 { .val = 'h', .name = "help", .has_arg = no_argument },
10807 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
10808 { .val = 'o', .name = "outfile", .has_arg = required_argument },
10809 { .name = NULL } };
10811 while ((c = getopt_long(argc, argv, "hN:o:", long_opts, NULL)) >= 0) {
10816 unsigned long int id;
10819 id = strtoul(optarg, &end, 0);
10820 if (errno != 0 || *end != '\0' || id == 0 ||
10823 "%s %s: invalid mirror ID '%s'\n",
10824 progname, argv[0], optarg);
10828 mirror_id = (__u16)id;
10835 fprintf(stderr, "%s: unrecognized option '%s'\n",
10836 progname, argv[optind - 1]);
10843 if (argc == optind) {
10844 fprintf(stderr, "%s %s: no mirrored file provided\n",
10845 progname, argv[0]);
10847 } else if (argc > optind + 1) {
10848 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
10852 if (mirror_id == 0) {
10853 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
10854 progname, argv[0]);
10858 /* open mirror file */
10859 fname = argv[optind];
10860 fd = open(fname, O_DIRECT | O_RDONLY);
10862 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
10863 progname, argv[0], fname, strerror(errno));
10867 /* verify mirror id */
10868 rc = verify_mirror_id_by_fd(fd, mirror_id);
10871 "%s %s: cannot find mirror with ID %u in '%s'\n",
10872 progname, argv[0], mirror_id, fname);
10876 /* open output file - O_EXCL ensures output is not the same as input */
10878 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
10880 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
10881 progname, argv[0], outfile, strerror(errno));
10886 outfd = STDOUT_FILENO;
10889 /* allocate buffer */
10890 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
10892 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
10893 progname, argv[0], rc);
10899 ssize_t bytes_read;
10900 ssize_t written = 0;
10902 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
10903 if (bytes_read < 0) {
10906 "%s %s: fail to read data from mirror %u: %s\n",
10907 progname, argv[0], mirror_id, strerror(-rc));
10912 if (bytes_read == 0)
10915 while (written < bytes_read) {
10918 written2 = write(outfd, buf + written,
10919 bytes_read - written);
10920 if (written2 < 0) {
10922 "%s %s: fail to write %s: %s\n",
10923 progname, argv[0], outfile ? : "STDOUT",
10928 written += written2;
10931 if (written != bytes_read) {
10933 "%s %s: written %ld bytes does not match with %ld read.\n",
10934 progname, argv[0], written, bytes_read);
10956 static inline int lfs_mirror_write(int argc, char **argv)
10959 __u16 mirror_id = 0;
10960 const char *inputfile = NULL;
10966 const size_t buflen = 4 << 20;
10968 size_t page_size = sysconf(_SC_PAGESIZE);
10969 struct ll_ioc_lease_id ioc;
10970 struct option long_opts[] = {
10971 { .val = 'h', .name = "help", .has_arg = no_argument },
10972 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
10973 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
10974 { .name = NULL } };
10976 while ((c = getopt_long(argc, argv, "hi:N:", long_opts, NULL)) >= 0) {
10981 unsigned long int id;
10984 id = strtoul(optarg, &end, 0);
10985 if (errno != 0 || *end != '\0' || id == 0 ||
10988 "%s %s: invalid mirror ID '%s'\n",
10989 progname, argv[0], optarg);
10993 mirror_id = (__u16)id;
10997 inputfile = optarg;
11000 fprintf(stderr, "%s: unrecognized option '%s'\n",
11001 progname, argv[optind - 1]);
11008 if (argc == optind) {
11009 fprintf(stderr, "%s %s: no mirrored file provided\n",
11010 progname, argv[0]);
11012 } else if (argc > optind + 1) {
11013 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
11017 if (mirror_id == 0) {
11018 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
11019 progname, argv[0]);
11023 /* open mirror file */
11024 fname = argv[optind];
11025 fd = open(fname, O_DIRECT | O_WRONLY);
11027 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
11028 progname, argv[0], fname, strerror(errno));
11032 /* verify mirror id */
11033 rc = verify_mirror_id_by_fd(fd, mirror_id);
11036 "%s %s: cannot find mirror with ID %u in '%s'\n",
11037 progname, argv[0], mirror_id, fname);
11041 /* open input file */
11043 rc = check_same_file(fd, inputfile);
11046 "%s %s: input file cannot be the mirrored file\n",
11047 progname, argv[0]);
11053 inputfd = open(inputfile, O_RDONLY, 0644);
11055 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
11056 progname, argv[0], inputfile, strerror(errno));
11061 inputfd = STDIN_FILENO;
11064 /* allocate buffer */
11065 rc = posix_memalign(&buf, page_size, buflen);
11067 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
11068 progname, argv[0], rc);
11069 goto close_inputfd;
11072 /* prepare target mirror components instantiation */
11073 ioc.lil_mode = LL_LEASE_WRLCK;
11074 ioc.lil_flags = LL_LEASE_RESYNC;
11075 ioc.lil_mirror_id = mirror_id;
11076 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
11079 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
11080 progname, argv[0], fname, strerror(errno));
11086 ssize_t bytes_read;
11090 rc = llapi_lease_check(fd);
11091 if (rc != LL_LEASE_WRLCK) {
11092 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
11093 progname, argv[0], fname);
11097 bytes_read = read(inputfd, buf, buflen);
11098 if (bytes_read < 0) {
11101 "%s %s: fail to read data from '%s': %s\n",
11102 progname, argv[0], inputfile ? : "STDIN",
11109 if (bytes_read == 0)
11112 /* round up to page align to make direct IO happy. */
11113 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
11115 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
11120 "%s %s: fail to write to mirror %u: %s\n",
11121 progname, argv[0], mirror_id,
11129 if (pos & (page_size - 1)) {
11130 rc = llapi_mirror_truncate(fd, mirror_id, pos);
11135 ioc.lil_mode = LL_LEASE_UNLCK;
11136 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
11138 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
11143 "%s %s: release lease lock of '%s' failed: %s\n",
11144 progname, argv[0], fname, strerror(errno));
11161 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
11163 struct llapi_layout *layout;
11164 struct collect_ids_data cid = { .cid_ids = ids,
11166 .cid_exclude = exclude_id, };
11169 layout = llapi_layout_get_by_fd(fd, 0);
11171 fprintf(stderr, "could not get layout\n");
11175 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
11177 fprintf(stderr, "failed to iterate layout\n");
11178 llapi_layout_free(layout);
11182 llapi_layout_free(layout);
11184 return cid.cid_count;
11187 static inline int lfs_mirror_copy(int argc, char **argv)
11190 __u16 read_mirror_id = 0;
11191 __u16 ids[128] = { 0 };
11193 struct llapi_layout *layout = NULL;
11194 struct llapi_resync_comp comp_array[1024] = { { 0 } };
11201 struct ll_ioc_lease *ioc = NULL;
11202 struct ll_ioc_lease_id *resync_ioc;
11203 struct option long_opts[] = {
11204 { .val = 'h', .name = "help", .has_arg = no_argument },
11205 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
11206 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
11207 { .name = NULL } };
11208 char cmd[PATH_MAX];
11210 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11212 while ((c = getopt_long(argc, argv, "hi:o:", long_opts, NULL)) >= 0) {
11217 unsigned long int id;
11220 id = strtoul(optarg, &end, 0);
11221 if (errno != 0 || *end != '\0' || id == 0 ||
11224 "%s: invalid read mirror ID '%s'\n",
11229 read_mirror_id = (__u16)id;
11233 if (!strcmp(optarg, "-1")) {
11234 /* specify all other mirrors */
11235 ids[0] = (__u16)-1;
11238 count = parse_mirror_ids((__u16 *)ids,
11246 fprintf(stderr, "%s: unrecognized option '%s'\n",
11247 progname, argv[optind - 1]);
11254 if (argc == optind) {
11255 fprintf(stderr, "%s %s: no mirrored file provided\n",
11256 progname, argv[0]);
11258 } else if (argc > optind + 1) {
11259 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
11263 if (read_mirror_id == 0) {
11265 "%s %s: no valid read mirror ID %d is provided\n",
11266 progname, argv[0], read_mirror_id);
11272 "%s %s: no write mirror ID is provided\n",
11273 progname, argv[0]);
11277 for (i = 0; i < count; i++) {
11278 if (read_mirror_id == ids[i]) {
11280 "%s %s: read and write mirror ID cannot be the same\n",
11281 progname, argv[0]);
11286 /* open mirror file */
11287 fname = argv[optind];
11289 fd = open(fname, O_DIRECT | O_RDWR);
11291 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
11292 progname, argv[0], fname, strerror(errno));
11296 /* write to all other mirrors */
11297 if (ids[0] == (__u16)-1) {
11298 count = get_other_mirror_ids(fd, ids, read_mirror_id);
11302 "%s %s: failed to get other mirror ids in '%s': %d\n",
11303 progname, argv[0], fname, rc);
11308 /* verify mirror id */
11309 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
11312 "%s %s: cannot find mirror with ID %u in '%s'\n",
11313 progname, argv[0], read_mirror_id, fname);
11317 for (i = 0; i < count; i++) {
11318 rc = verify_mirror_id_by_fd(fd, ids[i]);
11321 "%s %s: cannot find mirror with ID %u in '%s'\n",
11322 progname, argv[0], ids[i], fname);
11327 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
11330 "%s %s: cannot alloc comp id array for ioc: %s\n",
11331 progname, argv[0], strerror(errno));
11336 /* get stale component info */
11337 layout = llapi_layout_get_by_fd(fd, 0);
11339 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
11340 progname, argv[0], fname, strerror(errno));
11344 comp_size = llapi_mirror_find_stale(layout, comp_array,
11345 ARRAY_SIZE(comp_array),
11347 llapi_layout_free(layout);
11348 if (comp_size < 0) {
11353 /* prepare target mirror components instantiation */
11354 resync_ioc = (struct ll_ioc_lease_id *)ioc;
11355 resync_ioc->lil_mode = LL_LEASE_WRLCK;
11356 resync_ioc->lil_flags = LL_LEASE_RESYNC;
11358 resync_ioc->lil_mirror_id = ids[0];
11360 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
11361 rc = llapi_lease_set(fd, ioc);
11364 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
11365 progname, argv[0], fname, strerror(errno));
11369 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
11372 fprintf(stderr, "%s %s: copy error: %d\n",
11373 progname, argv[0], rc);
11377 fprintf(stdout, "mirror copied successfully: ");
11378 for (i = 0; i < copied; i++)
11379 fprintf(stdout, "%d ", ids[i]);
11380 fprintf(stdout, "\n");
11382 ioc->lil_mode = LL_LEASE_UNLCK;
11383 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
11384 ioc->lil_count = 0;
11385 for (i = 0; i < comp_size; i++) {
11388 for (j = 0; j < copied; j++) {
11389 if (comp_array[i].lrc_mirror_id != ids[j])
11392 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
11396 rc = llapi_lease_set(fd, ioc);
11401 "%s %s: release lease lock of '%s' failed: %s\n",
11402 progname, argv[0], fname, strerror(errno));
11417 * struct verify_chunk - Mirror chunk to be verified.
11418 * @chunk: [start, end) of the chunk.
11419 * @mirror_count: Number of mirror ids in @mirror_id array.
11420 * @mirror_id: Array of valid mirror ids that cover the chunk.
11422 struct verify_chunk {
11423 struct lu_extent chunk;
11424 unsigned int mirror_count;
11425 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
11429 * print_chunks() - Print chunk information.
11430 * @fname: Mirrored file name.
11431 * @chunks: Array of chunks.
11432 * @chunk_count: Number of chunks in @chunks array.
11434 * This function prints [start, end) of each chunk in @chunks
11435 * for mirrored file @fname, and also prints the valid mirror ids
11436 * that cover the chunk.
11441 void print_chunks(const char *fname, struct verify_chunk *chunks,
11447 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
11448 for (i = 0; i < chunk_count; i++) {
11449 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
11451 if (chunks[i].mirror_count == 0)
11452 fprintf(stdout, "\t[");
11454 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
11455 for (j = 1; j < chunks[i].mirror_count; j++)
11456 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
11458 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
11460 fprintf(stdout, "\n");
11464 * print_checksums() - Print CRC-32 checksum values.
11465 * @chunk: A chunk and its corresponding valid mirror ids.
11466 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
11468 * This function prints CRC-32 checksum values on @chunk for
11469 * each valid mirror that covers it.
11474 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
11479 "CRC-32 checksum value for chunk "DEXT":\n",
11480 PEXT(&chunk->chunk));
11481 for (i = 0; i < chunk->mirror_count; i++)
11482 fprintf(stdout, "Mirror %u:\t%#lx\n",
11483 chunk->mirror_id[i], crc[i]);
11484 fprintf(stdout, "\n");
11488 * filter_mirror_id() - Filter specified mirror ids.
11489 * @chunks: Array of chunks.
11490 * @chunk_count: Number of chunks in @chunks array.
11491 * @mirror_ids: Specified mirror ids to be verified.
11492 * @ids_nr: Number of specified mirror ids.
11494 * This function scans valid mirror ids that cover each chunk in @chunks
11495 * and filters specified mirror ids.
11500 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
11501 __u16 *mirror_ids, int ids_nr)
11506 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
11507 unsigned int valid_count = 0;
11509 for (i = 0; i < chunk_count; i++) {
11510 if (chunks[i].mirror_count == 0)
11514 for (j = 0; j < ids_nr; j++) {
11515 for (k = 0; k < chunks[i].mirror_count; k++) {
11516 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
11517 valid_id[valid_count] = mirror_ids[j];
11524 memcpy(chunks[i].mirror_id, valid_id,
11525 sizeof(__u16) * valid_count);
11526 chunks[i].mirror_count = valid_count;
11531 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
11532 * @layout: Mirror component list.
11533 * @chunks: Array of chunks.
11534 * @chunks_size: Array size of @chunks.
11536 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
11537 * to find out chunk segments and store them in @chunks array.
11539 * The @mirror_id array in each element of @chunks will store the valid
11540 * mirror ids that cover the chunk. If a mirror component covering the
11541 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
11542 * will not be stored into the @mirror_id array, and the chunk for that
11543 * mirror will not be verified.
11545 * The @mirror_count in each element of @chunks will store the number of
11546 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
11547 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
11548 * indicates the chunk is valid in only one mirror. In both cases, the
11549 * chunk will not be verified.
11551 * Here is an example:
11553 * 0 1M 2M 3M 4M EOF
11554 * +------+-------------+--------------------+
11555 * | | | S | mirror1
11556 * +------+------+------+------+-------------+
11557 * | | S | S | | mirror2
11558 * +-------------+------+------+-------------+
11560 * prepared @chunks array will contain 5 elements:
11561 * (([0, 1M), [1, 2], 2),
11562 * ([1M, 2M), [1, 2], 2),
11563 * ([2M, 3M), [1], 1),
11564 * ([3M, 4M], [], 0),
11565 * ([4M, EOF), [2], 1))
11567 * Return: the actual array size of @chunks on success
11568 * or a negative error code on failure.
11571 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
11572 struct verify_chunk *chunks,
11573 size_t chunks_size)
11577 uint32_t mirror_id;
11583 memset(chunks, 0, sizeof(*chunks) * chunks_size);
11586 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
11589 "%s: move to the first layout component: %s.\n",
11590 progname, strerror(errno));
11596 chunks[idx].chunk.e_end = LUSTRE_EOF;
11598 rc = llapi_layout_comp_extent_get(layout, &start, &end);
11601 "%s: llapi_layout_comp_extent_get failed: %s.\n",
11602 progname, strerror(errno));
11606 if (start > chunks[idx].chunk.e_start ||
11607 end <= chunks[idx].chunk.e_start)
11610 if (end < chunks[idx].chunk.e_end)
11611 chunks[idx].chunk.e_end = end;
11613 rc = llapi_layout_comp_flags_get(layout, &flags);
11616 "%s: llapi_layout_comp_flags_get failed: %s.\n",
11617 progname, strerror(errno));
11621 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
11624 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
11627 "%s: llapi_layout_mirror_id_get failed: %s.\n",
11628 progname, strerror(errno));
11632 chunks[idx].mirror_id[i] = mirror_id;
11634 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
11636 "%s: mirror_id array is too small.\n",
11643 rc = llapi_layout_comp_use(layout,
11644 LLAPI_LAYOUT_COMP_USE_NEXT);
11647 "%s: move to the next layout component: %s.\n",
11648 progname, strerror(errno));
11651 } /* loop through all components */
11653 chunks[idx].mirror_count = i;
11655 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
11659 if (idx >= chunks_size) {
11660 fprintf(stderr, "%s: chunks array is too small.\n",
11666 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
11670 return rc < 0 ? rc : idx + 1;
11674 * lfs_mirror_verify_chunk() - Verify a chunk.
11675 * @fd: File descriptor of the mirrored file.
11676 * @file_size: Size of the mirrored file.
11677 * @chunk: A chunk and its corresponding valid mirror ids.
11678 * @verbose: Verbose mode.
11680 * This function verifies a @chunk contains exactly the same data
11681 * ammong the mirrors that cover it.
11683 * If @verbose is specified, then the function will print where the
11684 * differences are if the data do not match. Otherwise, it will
11685 * just return an error in that case.
11687 * Return: 0 on success or a negative error code on failure.
11690 int lfs_mirror_verify_chunk(int fd, size_t file_size,
11691 struct verify_chunk *chunk, int verbose)
11693 const size_t buflen = 4 * 1024 * 1024; /* 4M */
11695 size_t page_size = sysconf(_SC_PAGESIZE);
11696 ssize_t bytes_read;
11697 ssize_t bytes_done;
11701 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
11705 if (file_size == 0)
11708 rc = posix_memalign(&buf, page_size, buflen);
11709 if (rc) /* error code is returned directly */
11713 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
11714 PEXT(&chunk->chunk));
11715 for (i = 0; i < chunk->mirror_count; i++)
11716 fprintf(stdout, " %u", chunk->mirror_id[i]);
11717 fprintf(stdout, "\n");
11721 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
11722 pos = chunk->chunk.e_start;
11723 while (bytes_done < count) {
11724 /* compute initial CRC-32 checksum */
11725 crc = crc32(0L, Z_NULL, 0);
11726 memset(crc_array, 0, sizeof(crc_array));
11729 for (i = 0; i < chunk->mirror_count; i++) {
11730 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
11732 if (bytes_read < 0) {
11735 "%s: failed to read data from mirror %u: %s.\n",
11736 progname, chunk->mirror_id[i],
11741 /* compute new CRC-32 checksum */
11742 crc_array[i] = crc32(crc, buf, bytes_read);
11746 print_checksums(chunk, crc_array);
11748 /* compare CRC-32 checksum values */
11749 for (i = 1; i < chunk->mirror_count; i++) {
11750 if (crc_array[i] != crc_array[0]) {
11754 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
11755 progname, PEXT(&chunk->chunk),
11756 chunk->mirror_id[0],
11757 chunk->mirror_id[i]);
11762 bytes_done += bytes_read;
11765 if (verbose > 1 && rc == 0) {
11766 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
11767 PEXT(&chunk->chunk));
11768 for (i = 0; i < chunk->mirror_count; i++)
11769 fprintf(stdout, " %u", chunk->mirror_id[i]);
11770 fprintf(stdout, " PASS\n\n");
11779 * lfs_mirror_verify_file() - Verify a mirrored file.
11780 * @fname: Mirrored file name.
11781 * @mirror_ids: Specified mirror ids to be verified.
11782 * @ids_nr: Number of specified mirror ids.
11783 * @verbose: Verbose mode.
11785 * This function verifies that each SYNC mirror of a mirrored file
11786 * specified by @fname contains exactly the same data.
11788 * If @mirror_ids is specified, then the function will verify the
11789 * mirrors specified by @mirror_ids contain exactly the same data.
11791 * If @verbose is specified, then the function will print where the
11792 * differences are if the data do not match. Otherwise, it will
11793 * just return an error in that case.
11795 * Return: 0 on success or a negative error code on failure.
11798 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
11801 struct verify_chunk chunks_array[1024] = { };
11802 struct llapi_layout *layout = NULL;
11804 uint32_t flr_state;
11806 int chunk_count = 0;
11812 if (stat(fname, &stbuf) < 0) {
11813 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
11814 progname, fname, strerror(errno));
11819 if (!S_ISREG(stbuf.st_mode)) {
11820 fprintf(stderr, "%s: '%s' is not a regular file.\n",
11826 if (stbuf.st_size == 0) {
11828 fprintf(stdout, "%s: '%s' file size is 0.\n",
11834 fd = open(fname, O_DIRECT | O_RDONLY);
11836 fprintf(stderr, "%s: cannot open '%s': %s.\n",
11837 progname, fname, strerror(errno));
11842 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
11844 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
11845 progname, fname, strerror(errno));
11849 layout = llapi_layout_get_by_fd(fd, 0);
11851 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
11852 progname, fname, strerror(errno));
11854 llapi_lease_release(fd);
11858 rc = llapi_layout_flags_get(layout, &flr_state);
11860 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
11861 progname, fname, strerror(errno));
11866 flr_state &= LCM_FL_FLR_MASK;
11867 switch (flr_state) {
11870 fprintf(stderr, "%s: '%s' file state error: %s.\n",
11871 progname, fname, llapi_layout_flags_string(flr_state));
11877 /* find out mirror chunks to be verified */
11878 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
11879 ARRAY_SIZE(chunks_array));
11880 if (chunk_count < 0) {
11886 /* filter specified mirror ids */
11887 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
11890 print_chunks(fname, chunks_array, chunk_count);
11892 for (idx = 0; idx < chunk_count; idx++) {
11893 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
11896 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
11898 PEXT(&chunks_array[idx].chunk),
11899 (unsigned long long)stbuf.st_size);
11903 if (chunks_array[idx].mirror_count == 0) {
11905 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
11907 PEXT(&chunks_array[idx].chunk));
11909 fprintf(stderr, "skipped\n");
11913 fprintf(stderr, "failed\n");
11917 if (chunks_array[idx].mirror_count == 1) {
11920 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
11922 PEXT(&chunks_array[idx].chunk),
11923 chunks_array[idx].mirror_id[0]);
11927 rc = llapi_lease_check(fd);
11928 if (rc != LL_LEASE_RDLCK) {
11929 fprintf(stderr, "%s: '%s' lost lease lock.\n",
11934 /* verify one chunk */
11935 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
11936 &chunks_array[idx], verbose);
11950 llapi_layout_free(layout);
11951 llapi_lease_release(fd);
11959 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
11960 * @argc: The count of lfs mirror verify command line arguments.
11961 * @argv: Array of strings for lfs mirror verify command line arguments.
11963 * This function parses lfs mirror verify command and verifies the
11964 * specified mirrored file(s).
11966 * Return: 0 on success or a negative error code on failure.
11968 static inline int lfs_mirror_verify(int argc, char **argv)
11970 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
11976 char cmd[PATH_MAX];
11978 struct option long_opts[] = {
11979 { .val = 'h', .name = "help", .has_arg = no_argument },
11980 { .val = 'o', .name = "only", .has_arg = required_argument },
11981 { .val = 'v', .name = "verbose", .has_arg = no_argument },
11982 { .name = NULL } };
11984 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11986 while ((c = getopt_long(argc, argv, "ho:v", long_opts, NULL)) >= 0) {
11989 rc = parse_mirror_ids(mirror_ids,
11990 ARRAY_SIZE(mirror_ids),
11994 "%s: bad mirror ids '%s'.\n",
12001 "%s: at least 2 mirror ids needed with '--only' option.\n",
12011 fprintf(stderr, "%s: unrecognized option '%s'\n",
12012 progname, argv[optind - 1]);
12020 if (argc == optind) {
12021 fprintf(stderr, "%s: no file name given.\n", progname);
12026 if (ids_nr > 0 && argc > optind + 1) {
12028 "%s: '--only' cannot be used upon multiple files.\n",
12035 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
12041 for (; optind < argc; optind++) {
12042 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
12052 * lfs_mirror() - Parse and execute lfs mirror commands.
12053 * @argc: The count of lfs mirror command line arguments.
12054 * @argv: Array of strings for lfs mirror command line arguments.
12056 * This function parses lfs mirror commands and performs the
12057 * corresponding functions specified in mirror_cmdlist[].
12059 * Return: 0 on success or an error code on failure.
12061 static int lfs_mirror(int argc, char **argv)
12063 char cmd[PATH_MAX];
12066 setlinebuf(stdout);
12068 Parser_init("lfs-mirror > ", mirror_cmdlist);
12070 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
12072 program_invocation_short_name = cmd;
12074 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
12076 rc = Parser_commands();
12078 return rc < 0 ? -rc : rc;
12081 static void lustre_som_swab(struct lustre_som_attrs *attrs)
12083 #if __BYTE_ORDER == __BIG_ENDIAN
12084 __swab16s(&attrs->lsa_valid);
12085 __swab64s(&attrs->lsa_size);
12086 __swab64s(&attrs->lsa_blocks);
12090 enum lfs_som_type {
12091 LFS_SOM_SIZE = 0x1,
12092 LFS_SOM_BLOCKS = 0x2,
12093 LFS_SOM_FLAGS = 0x4,
12094 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
12098 static int lfs_getsom(int argc, char **argv)
12101 struct lustre_som_attrs *attrs;
12102 char buf[sizeof(*attrs) + 64];
12103 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
12106 while ((c = getopt(argc, argv, "bfhs")) != -1) {
12109 type = LFS_SOM_BLOCKS;
12112 type = LFS_SOM_FLAGS;
12115 type = LFS_SOM_SIZE;
12118 fprintf(stderr, "%s: unrecognized option '%s'\n",
12119 progname, argv[optind - 1]);
12130 fprintf(stderr, "%s: %s\n",
12131 progname, argc == 0 ? "miss file target" :
12132 "input more than 2 files");
12137 attrs = (void *)buf;
12138 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
12141 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
12142 argv[0], strerror(errno), errno);
12146 lustre_som_swab(attrs);
12149 case LFS_SOM_ATTR_ALL:
12150 printf("file: %s size: %llu blocks: %llu flags: %x\n",
12151 path, (unsigned long long)attrs->lsa_size,
12152 (unsigned long long)attrs->lsa_blocks,
12156 printf("%llu\n", (unsigned long long)attrs->lsa_size);
12158 case LFS_SOM_BLOCKS:
12159 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
12161 case LFS_SOM_FLAGS:
12162 printf("%x\n", attrs->lsa_valid);
12165 fprintf(stderr, "%s: unknown option\n", progname);
12173 * lfs_mirror_list_commands() - List lfs mirror commands.
12174 * @argc: The count of command line arguments.
12175 * @argv: Array of strings for command line arguments.
12177 * This function lists lfs mirror commands defined in mirror_cmdlist[].
12179 * Return: 0 on success.
12181 static int lfs_mirror_list_commands(int argc, char **argv)
12183 char buffer[81] = "";
12185 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
12191 static int lfs_pcc_attach(int argc, char **argv)
12193 struct option long_opts[] = {
12194 { .val = 'h', .name = "help", .has_arg = no_argument },
12195 { .val = 'i', .name = "id", .has_arg = required_argument },
12196 { .name = NULL } };
12199 __u32 archive_id = 0;
12202 char fullpath[PATH_MAX];
12203 enum lu_pcc_type type = LU_PCC_READWRITE;
12206 while ((c = getopt_long(argc, argv, "hi:",
12207 long_opts, NULL)) != -1) {
12211 archive_id = strtoul(optarg, &end, 0);
12212 if (errno != 0 || *end != '\0' ||
12213 archive_id == 0 || archive_id > UINT32_MAX) {
12215 "error: %s: bad archive ID '%s'\n",
12221 fprintf(stderr, "%s: unrecognized option '%s'\n",
12222 progname, argv[optind - 1]);
12229 if (archive_id == 0) {
12230 fprintf(stderr, "%s: must specify attach ID\n", argv[0]);
12234 if (argc <= optind) {
12235 fprintf(stderr, "%s: must specify one or more file names\n",
12240 while (optind < argc) {
12243 path = argv[optind++];
12244 if (!realpath(path, fullpath)) {
12245 fprintf(stderr, "%s: could not find path '%s': %s\n",
12246 argv[0], path, strerror(errno));
12252 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
12255 "%s: cannot attach '%s' to PCC with archive ID '%u': %s\n",
12256 argv[0], path, archive_id, strerror(-rc2));
12264 static int lfs_pcc_attach_fid(int argc, char **argv)
12266 struct option long_opts[] = {
12267 { .val = 'h', .name = "help", .has_arg = no_argument },
12268 { .val = 'i', .name = "id", .has_arg = required_argument },
12269 { .val = 'm', .name = "mnt", .has_arg = required_argument },
12270 { .name = NULL } };
12273 __u32 archive_id = 0;
12275 const char *mntpath = NULL;
12276 const char *fidstr;
12277 enum lu_pcc_type type = LU_PCC_READWRITE;
12280 while ((c = getopt_long(argc, argv, "hi:m:",
12281 long_opts, NULL)) != -1) {
12285 archive_id = strtoul(optarg, &end, 0);
12286 if (errno != 0 || *end != '\0' ||
12287 archive_id > UINT32_MAX) {
12289 "error: %s: bad archive ID '%s'\n",
12298 fprintf(stderr, "%s: unrecognized option '%s'\n",
12299 progname, argv[optind - 1]);
12306 if (archive_id == 0) {
12307 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
12312 fprintf(stderr, "%s: must specify Lustre mount point\n",
12317 if (argc <= optind) {
12318 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
12322 while (optind < argc) {
12325 fidstr = argv[optind++];
12327 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
12331 "%s: cannot attach '%s' on '%s' to PCC with archive ID '%u': %s\n",
12332 argv[0], fidstr, mntpath, archive_id,
12335 if (rc == 0 && rc2 < 0)
12341 static int lfs_pcc_detach(int argc, char **argv)
12343 struct option long_opts[] = {
12344 { .val = 'h', .name = "help", .has_arg = no_argument },
12345 { .val = 'k', .name = "keep", .has_arg = no_argument },
12346 { .name = NULL } };
12350 char fullpath[PATH_MAX];
12351 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
12354 while ((c = getopt_long(argc, argv, "hk",
12355 long_opts, NULL)) != -1) {
12358 detach_opt = PCC_DETACH_OPT_NONE;
12361 fprintf(stderr, "%s: unrecognized option '%s'\n",
12362 progname, argv[optind - 1]);
12369 while (optind < argc) {
12372 path = argv[optind++];
12373 if (!realpath(path, fullpath)) {
12374 fprintf(stderr, "%s: could not find path '%s': %s\n",
12375 argv[0], path, strerror(errno));
12381 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
12385 "%s: cannot detach '%s' from PCC: %s\n",
12386 argv[0], path, strerror(errno));
12394 static int lfs_pcc_detach_fid(int argc, char **argv)
12396 struct option long_opts[] = {
12397 { .val = 'h', .name = "help", .has_arg = no_argument },
12398 { .val = 'k', .name = "keep", .has_arg = no_argument },
12399 { .name = NULL } };
12403 const char *mntpath;
12404 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
12407 while ((c = getopt_long(argc, argv, "hk",
12408 long_opts, NULL)) != -1) {
12411 detach_opt = PCC_DETACH_OPT_NONE;
12414 fprintf(stderr, "%s: unrecognized option '%s'\n",
12415 progname, argv[optind - 1]);
12422 mntpath = argv[optind++];
12424 while (optind < argc) {
12427 fid = argv[optind++];
12429 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
12432 "%s: cannot detach '%s' on '%s' from PCC: %s\n",
12433 argv[0], fid, mntpath, strerror(-rc2));
12441 static int lfs_pcc_state(int argc, char **argv)
12445 char fullpath[PATH_MAX];
12446 struct lu_pcc_state state;
12451 fprintf(stderr, "%s: must specify one or more file names\n",
12456 while (optind < argc) {
12459 path = argv[optind++];
12460 if (!realpath(path, fullpath)) {
12461 fprintf(stderr, "%s: could not find path '%s': %s\n",
12462 argv[0], path, strerror(errno));
12468 rc2 = llapi_pcc_state_get(fullpath, &state);
12473 "%s: cannot get PCC state of '%s': %s\n",
12474 argv[0], path, strerror(-rc2));
12478 printf("file: %s", path);
12479 printf(", type: %s", pcc_type2string(state.pccs_type));
12480 if (state.pccs_type == LU_PCC_NONE &&
12481 state.pccs_open_count == 0) {
12486 printf(", PCC file: %s", state.pccs_path);
12487 printf(", user number: %u", state.pccs_open_count);
12488 printf(", flags: %x", state.pccs_flags);
12495 * lfs_pcc_list_commands() - List lfs pcc commands.
12496 * @argc: The count of command line arguments.
12497 * @argv: Array of strings for command line arguments.
12499 * This function lists lfs pcc commands defined in pcc_cmdlist[].
12501 * Return: 0 on success.
12503 static int lfs_pcc_list_commands(int argc, char **argv)
12505 char buffer[81] = "";
12507 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
12514 * lfs_pcc() - Parse and execute lfs pcc commands.
12515 * @argc: The count of lfs pcc command line arguments.
12516 * @argv: Array of strings for lfs pcc command line arguments.
12518 * This function parses lfs pcc commands and performs the
12519 * corresponding functions specified in pcc_cmdlist[].
12521 * Return: 0 on success or an error code on failure.
12523 static int lfs_pcc(int argc, char **argv)
12525 char cmd[PATH_MAX];
12528 setlinebuf(stdout);
12530 Parser_init("lfs-pcc > ", pcc_cmdlist);
12532 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
12534 program_invocation_short_name = cmd;
12536 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
12538 rc = Parser_commands();
12540 return rc < 0 ? -rc : rc;
12543 static int lfs_list_commands(int argc, char **argv)
12545 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
12547 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
12552 int main(int argc, char **argv)
12556 /* Ensure that liblustreapi constructor has run */
12557 if (!llapi_liblustreapi_initialized())
12558 fprintf(stderr, "liblustreapi was not properly initialized\n");
12560 setlinebuf(stdout);
12563 Parser_init("lfs > ", cmdlist);
12565 progname = program_invocation_short_name; /* Used in error messages */
12567 llapi_set_command_name(argv[1]);
12568 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
12569 llapi_clear_command_name();
12571 rc = Parser_commands();
12574 return rc < 0 ? -rc : rc;
12577 #ifdef _LUSTRE_IDL_H_
12578 /* Everything we need here should be included by lustreapi.h. */
12579 # error "lfs should not depend on lustre_idl.h"
12580 #endif /* _LUSTRE_IDL_H_ */