4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
34 * Author: Peter J. Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Robert Read <rread@clusterfs.com>
55 #include <sys/ioctl.h>
56 #include <sys/quota.h>
58 #include <sys/types.h>
60 #include <sys/param.h>
61 #include <sys/xattr.h>
68 #include <asm/byteorder.h>
69 #include "lfs_project.h"
71 #include <libcfs/util/string.h>
72 #include <libcfs/util/ioctl.h>
73 #include <libcfs/util/parser.h>
74 #include <libcfs/util/string.h>
75 #include <lustre/lustreapi.h>
76 #include <linux/lustre/lustre_ver.h>
77 #include <linux/lustre/lustre_param.h>
78 #include <linux/lnet/nidstr.h>
79 #include <lnetconfig/cyaml.h>
82 # define ARRAY_SIZE(a) ((sizeof(a)) / (sizeof((a)[0])))
83 #endif /* !ARRAY_SIZE */
86 static int lfs_find(int argc, char **argv);
87 static int lfs_getstripe(int argc, char **argv);
88 static int lfs_getdirstripe(int argc, char **argv);
89 static int lfs_setdirstripe(int argc, char **argv);
90 static int lfs_rmentry(int argc, char **argv);
91 static int lfs_osts(int argc, char **argv);
92 static int lfs_mdts(int argc, char **argv);
93 static int lfs_df(int argc, char **argv);
94 static int lfs_getname(int argc, char **argv);
95 static int lfs_check(int argc, char **argv);
96 #ifdef HAVE_SYS_QUOTA_H
97 static int lfs_setquota(int argc, char **argv);
98 static int lfs_quota(int argc, char **argv);
99 static int lfs_project(int argc, char **argv);
101 static int lfs_flushctx(int argc, char **argv);
102 static int lfs_poollist(int argc, char **argv);
103 static int lfs_changelog(int argc, char **argv);
104 static int lfs_changelog_clear(int argc, char **argv);
105 static int lfs_fid2path(int argc, char **argv);
106 static int lfs_path2fid(int argc, char **argv);
107 static int lfs_rmfid(int argc, char **argv);
108 static int lfs_data_version(int argc, char **argv);
109 static int lfs_hsm_state(int argc, char **argv);
110 static int lfs_hsm_set(int argc, char **argv);
111 static int lfs_hsm_clear(int argc, char **argv);
112 static int lfs_hsm_action(int argc, char **argv);
113 static int lfs_hsm_archive(int argc, char **argv);
114 static int lfs_hsm_restore(int argc, char **argv);
115 static int lfs_hsm_release(int argc, char **argv);
116 static int lfs_hsm_remove(int argc, char **argv);
117 static int lfs_hsm_cancel(int argc, char **argv);
118 static int lfs_swap_layouts(int argc, char **argv);
119 static int lfs_mv(int argc, char **argv);
120 static int lfs_ladvise(int argc, char **argv);
121 static int lfs_getsom(int argc, char **argv);
122 static int lfs_heat_get(int argc, char **argv);
123 static int lfs_heat_set(int argc, char **argv);
124 static int lfs_mirror(int argc, char **argv);
125 static int lfs_mirror_list_commands(int argc, char **argv);
126 static int lfs_list_commands(int argc, char **argv);
127 static inline int lfs_mirror_resync(int argc, char **argv);
128 static inline int lfs_mirror_verify(int argc, char **argv);
129 static inline int lfs_mirror_read(int argc, char **argv);
130 static inline int lfs_mirror_write(int argc, char **argv);
131 static inline int lfs_mirror_copy(int argc, char **argv);
132 static int lfs_pcc_attach(int argc, char **argv);
133 static int lfs_pcc_attach_fid(int argc, char **argv);
134 static int lfs_pcc_detach(int argc, char **argv);
135 static int lfs_pcc_detach_fid(int argc, char **argv);
136 static int lfs_pcc_state(int argc, char **argv);
137 static int lfs_pcc(int argc, char **argv);
138 static int lfs_pcc_list_commands(int argc, char **argv);
139 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
140 __u64 migration_flags,
141 struct llapi_stripe_param *param,
142 struct llapi_layout *layout);
144 enum setstripe_origin {
153 static int lfs_setstripe_internal(int argc, char **argv,
154 enum setstripe_origin opc);
156 static inline int lfs_setstripe(int argc, char **argv)
158 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
160 static inline int lfs_setstripe_migrate(int argc, char **argv)
162 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
164 static inline int lfs_mirror_create(int argc, char **argv)
166 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
168 static inline int lfs_mirror_extend(int argc, char **argv)
170 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
172 static inline int lfs_mirror_split(int argc, char **argv)
174 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
176 static inline int lfs_mirror_delete(int argc, char **argv)
178 return lfs_setstripe_internal(argc, argv, SO_MIRROR_DELETE);
181 /* Setstripe and migrate share mostly the same parameters */
182 #define SSM_CMD_COMMON(cmd) \
183 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
184 " [--stripe-count|-c <stripe_count>]\n" \
185 " [--overstripe-count|-C <stripe_count>]\n" \
186 " [--stripe-index|-i <start_ost_idx>]\n" \
187 " [--stripe-size|-S <stripe_size>]\n" \
188 " [--extension-size|--ext-size|-z]\n" \
189 " [--layout|-L <pattern>]\n" \
190 " [--mirror_count|-N[mirror_count]]\n" \
191 " [--ost|-o <ost_indices>]\n" \
192 " [--pool|-p <pool_name>]\n" \
193 " [--yaml|-y <yaml_template_file>]\n" \
194 " [--copy=<lustre_src>]\n"
196 #define SSM_HELP_COMMON \
197 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
198 "\t Using -C instead of -c allows overstriping, which\n" \
199 "\t will place more than one stripe per OST if\n" \
200 "\t stripe_count is greater than the number of OSTs\n" \
201 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
202 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
203 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
204 "\t respectively)\n" \
205 "\textension_size:\n" \
206 "\t Number of bytes the previous component is extended\n" \
207 "\t each time. Can be specified with K, M, G (for KB,\n" \
208 "\t MB, GB respectively)\n" \
209 "\tpool_name: Name of OST pool to use (default none)\n" \
210 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
211 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
212 "\t Indices be specified in a format of:\n" \
213 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
215 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
216 "\t If --pool is set with --ost then the OSTs\n" \
217 "\t must be the members of the pool.\n" \
218 "\tcomp_end: Extent end of component, start after previous end.\n"\
219 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
220 "\t respectively, -1 for EOF). Must be a multiple of\n"\
221 "\t stripe_size.\n" \
222 "\tyaml_template_file:\n" \
223 "\t YAML layout template file, can't be used with -c,\n" \
224 "\t -i, -S, -p, -o, or -E arguments.\n" \
225 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
226 "\t another lustre file or directory, can't used with\n" \
227 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
229 #define MIRROR_CREATE_HELP \
230 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
231 "\t setstripe layout options\n" \
232 "\t It defaults to 1 if not specified; if specified,\n" \
233 "\t it must follow the option without a space.\n" \
234 "\t The option can also be repeated multiple times to\n" \
235 "\t separate mirrors that have different layouts.\n" \
236 "\tSETSTRIPE_OPTIONS: Mirror layout as with 'setstripe'\n" \
237 "\t It can be a plain layout or a composite layout.\n" \
238 "\t If not specified, the stripe options inherited\n" \
239 "\t from the previous component will be used.\n" \
240 "\tflags: set flags to the component of the current mirror.\n" \
241 "\t Only \"prefer\" flag is supported so far.\n"
243 #define MIRROR_EXTEND_HELP \
245 "\tvictim_file: The layout of victim_file will be split and used\n" \
246 "\t as a mirror added to the mirrored file.\n" \
247 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
248 "\t from victim file(s) in case the victim file(s)\n" \
249 "\t contains the same data as the original mirrored\n" \
252 #define MIRROR_EXTEND_USAGE \
253 " {--mirror-count|-N[mirror_count]}\n" \
254 " [SETSTRIPE_OPTIONS|-f|--file <victim_file>]\n" \
257 #define SETSTRIPE_USAGE \
258 SSM_CMD_COMMON("setstripe") \
259 MIRROR_EXTEND_USAGE \
260 " <directory|filename>\n" \
264 #define MIGRATE_USAGE \
265 SSM_CMD_COMMON("migrate ") \
266 " [--block|-b] [--non-block|-n]\n" \
267 " [--non-direct|-D] [--verbose|-v]\n" \
271 "\tblock: Block file access during data migration (default)\n" \
272 "\tnon-block: Abort migrations if concurrent access is detected\n" \
273 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
274 "\tverbose: Print each filename as it is migrated\n" \
276 #define SETDIRSTRIPE_USAGE \
277 " [--mdt-count|-c stripe_count>\n" \
278 " [--mdt-hash|-H mdt_hash]\n" \
279 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
280 " [--default|-D] [--mode|-o mode] <dir>\n" \
281 "\tstripe_count: stripe count of the striped directory\n" \
282 "\tmdt_index: MDT index of first stripe\n" \
283 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
284 " crush CRUSH hash algorithm (default)\n" \
285 " fnv_1a_64 FNV-1a hash algorithm\n" \
286 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
287 "\tdefault_stripe: set default dirstripe of the directory\n" \
288 "\tmode: the file access permission of the directory (octal)\n" \
289 "To create dir with a foreign (free format) layout :\n" \
290 "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
291 "[--mode|-o mode] [--flags <hex>] <dir>\n" \
292 "\tmode: the mode of the directory\n" \
293 "\tforeign_type: none or daos\n"
296 * command_t mirror_cmdlist - lfs mirror commands.
298 command_t mirror_cmdlist[] = {
299 { .pc_name = "create", .pc_func = lfs_mirror_create,
300 .pc_help = "Create a mirrored file.\n"
301 "usage: lfs mirror create "
302 "<--mirror-count|-N[mirror_count]> "
303 "[SETSTRIPE_OPTIONS] ... <filename|directory> ...\n"
304 MIRROR_CREATE_HELP },
305 { .pc_name = "delete", .pc_func = lfs_mirror_delete,
306 .pc_help = "Delete a mirror from a file.\n"
307 "usage: lfs mirror delete {--mirror-id <mirror_id> |\n"
308 "\t --component-id|--comp-id|-I <comp_id> |\n"
309 "\t -p <pool>} <mirrored_file> ...\n"
311 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
312 .pc_help = "Extend a mirrored file.\n"
313 "usage: lfs mirror extend "
314 "<--mirror-count|-N[mirror_count]> [--no-verify] "
315 "[SETSTRIPE_OPTIONS|-f <victim_file>] ... <filename> ...\n"
316 MIRROR_EXTEND_HELP },
317 { .pc_name = "split", .pc_func = lfs_mirror_split,
318 .pc_help = "Split a mirrored file.\n"
319 "usage: lfs mirror split <--mirror-id <mirror_id> |\n"
320 "\t --component-id|-I <comp_id>|-p <pool>> [--destroy|-d]\n"
321 "\t [-f <new_file>] <mirrored_file> ...\n"
322 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
323 "\t can be fetched by lfs getstripe command.\n"
324 "\tcomp_id: Unique component ID within a mirror.\n"
325 "\tpool: Components on specified pool.\n"
326 "\tnew_file: This option indicates the layout of the split\n"
327 "\t mirror will be stored into. If not specified,\n"
328 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
329 "\t will be used.\n" },
330 { .pc_name = "read", .pc_func = lfs_mirror_read,
331 .pc_help = "Read the content of a specified mirror of a file.\n"
332 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
333 "[--outfile|-o <output_file>] <mirrored_file>\n" },
334 { .pc_name = "write", .pc_func = lfs_mirror_write,
335 .pc_help = "Write to a specified mirror of a file.\n"
336 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
337 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
338 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
339 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
340 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
341 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
342 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
343 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
344 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
345 "<mirrored file> [<mirrored file2>...]\n"},
346 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
347 .pc_help = "Verify mirrored file(s).\n"
348 "usage: lfs mirror verify "
349 "[--only <mirror_id,mirror_id2[,...]>] "
350 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
351 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
352 .pc_help = "list commands supported by lfs mirror"},
353 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
354 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
355 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
360 * command_t pcc_cmdlist - lfs pcc commands.
362 command_t pcc_cmdlist[] = {
363 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
364 .pc_help = "Attach given files to the Persistent Client Cache.\n"
365 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
366 "\t-i: archive id for RW-PCC\n" },
367 { .pc_name = "attach_fid", .pc_func = lfs_pcc_attach_fid,
368 .pc_help = "Attach given files into PCC by FID(s).\n"
369 "usage: lfs pcc attach_id <--id|-i NUM> <--mnt|-m mnt> "
371 "\t-i: archive id for RW-PCC\n"
372 "\t-m: Lustre mount point\n" },
373 { .pc_name = "state", .pc_func = lfs_pcc_state,
374 .pc_help = "Display the PCC state for given files.\n"
375 "usage: lfs pcc state <file> ...\n" },
376 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
377 .pc_help = "Detach given files from the Persistent Client Cache.\n"
378 "usage: lfs pcc detach <file> ...\n" },
379 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
380 .pc_help = "Detach given files from PCC by FID(s).\n"
381 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
382 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
383 .pc_help = "list commands supported by lfs pcc"},
384 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
385 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
386 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
390 /* all available commands */
391 command_t cmdlist[] = {
392 {"setstripe", lfs_setstripe, 0,
393 "To create a file with specified striping/composite layout, or\n"
394 "create/replace the default layout on an existing directory:\n"
395 SSM_CMD_COMMON("setstripe")
397 " <directory|filename>\n"
399 "To add component(s) to an existing composite file:\n"
400 SSM_CMD_COMMON("setstripe --component-add")
402 "To totally delete the default striping from an existing directory:\n"
403 "usage: setstripe [--delete|-d] <directory>\n"
405 "To create a mirrored file or set s default mirror layout on a directory:\n"
406 "usage: setstripe {--mirror-count|-N}[mirror_count] [SETSTRIPE_OPTIONS] <directory|filename>\n"
408 "To delete the last component(s) from an existing composite file\n"
409 "(note that this will also delete any data in those components):\n"
410 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
411 " [--component-flags|-F <comp_flags>]\n"
413 "\tcomp_id: Unique component ID to delete\n"
414 "\tcomp_flags: 'init' indicating all instantiated components\n"
415 "\t '^init' indicating all uninstantiated components\n"
416 "\t-I and -F cannot be specified at the same time\n"
417 "To create a file with a foreign (free format) layout:\n"
418 "usage: setstripe --foreign[=<foreign_type>]\n"
419 " --xattr|-x <layout_string> [--flags <hex>]\n"
420 " [--mode <mode>] <filename>\n"},
421 {"getstripe", lfs_getstripe, 0,
422 "To list the layout pattern for a given file or files in a\n"
423 "directory or recursively for all files in a directory tree.\n"
424 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
425 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
426 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
427 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
428 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
429 " [--component-id[=comp_id]|-I[comp_id]]\n"
430 " [--component-flags[=comp_flags]]\n"
431 " [--component-count]\n"
432 " [--extension-size|--ext-size|-z]\n"
433 " [--component-start[=[+-]comp_start]]\n"
434 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
435 " [[!] --mirror-index=[+-]<index> |\n"
436 " [!] --mirror-id=[+-]<id>]\n"
437 " <directory|filename> ..."},
438 {"setdirstripe", lfs_setdirstripe, 0,
439 "Create striped directory on specified MDT, same as mkdir.\n"
440 "May be restricted to root or group users, depending on settings.\n"
441 "usage: setdirstripe [OPTION] <directory>\n"
443 {"getdirstripe", lfs_getdirstripe, 0,
444 "To list the layout pattern info for a given directory\n"
445 "or recursively for all directories in a directory tree.\n"
446 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
447 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
448 " [--recursive|-r] [--yaml|-y]\n"
449 " [--verbose|-v] [--default|-D] <dir> ..."},
450 {"mkdir", lfs_setdirstripe, 0,
451 "Create striped directory on specified MDT, same as setdirstripe.\n"
452 "usage: mkdir [OPTION] <directory>\n"
454 {"rm_entry", lfs_rmentry, 0,
455 "To remove the name entry of the remote directory. Note: This\n"
456 "command will only delete the name entry, i.e. the remote directory\n"
457 "will become inaccessable after this command. This can only be done\n"
458 "by the administrator\n"
459 "usage: rm_entry <dir>\n"},
460 {"pool_list", lfs_poollist, 0,
461 "List pools or pool OSTs\n"
462 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
463 {"find", lfs_find, 0,
464 "find files matching given attributes recursively in directory tree.\n"
465 "usage: find <directory|filename> ...\n"
466 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
467 " [[!] --mtime|-M [+-]N[smhdwy]]\n"
468 " [[!] --btime|--Btime|-B [+-]N[smhdwy]]\n"
469 " [[!] --newer[XY] <reference>] [[!] --blocks|-b N]\n"
470 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
471 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
472 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
473 " [[!] --stripe-count|-c [+-]<stripes>]\n"
474 " [[!] --stripe-index|-i <index,...>]\n"
475 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
476 " [[!] --extension-size|--ext-size|-z [+-]N[kMGT]]\n"
477 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
478 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
479 " [[!] --projid <projid>]\n"
480 " [[!] --foreign[=<foreign_type>]]\n"
481 " [[!] --layout|-L released,raid0,mdt]\n"
482 " [[!] --foreign[=<foreign_type>]]\n"
483 " [[!] --component-count [+-]<comp_cnt>]\n"
484 " [[!] --component-start [+-]N[kMGTPE]]\n"
485 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
486 " [[!] --component-flags {init,stale,prefer,offline,nosync,extension}]\n"
487 " [[!] --mirror-count|-N [+-]<n>]\n"
488 " [[!] --mirror-state <[^]state>]\n"
489 " [[!] --mdt-count|-T [+-]<stripes>]\n"
490 " [[!] --mdt-hash|-H <hashtype>\n"
491 " [[!] --mdt-index|-m <uuid|index,...>]\n"
492 "\t !: used before an option indicates 'NOT' requested attribute\n"
493 "\t -: used before a value indicates less than requested value\n"
494 "\t +: used before a value indicates more than requested value\n"
495 "\thashtype: hash type of the striped directory.\n"
496 "\t fnv_1a_64 FNV-1a hash algorithm\n"
497 "\t all_char sum of characters % MDT_COUNT\n"},
498 {"check", lfs_check, 0,
499 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
500 "or all the servers (MGTs, MDTs and OSTs).\n"
501 "usage: check <mgts|osts|mdts|all>"},
502 {"osts", lfs_osts, 0, "list OSTs connected to client "
503 "[for specified path only]\n" "usage: osts [path]"},
504 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
505 "[for specified path only]\n" "usage: mdts [path]"},
507 "report filesystem disk space usage or inodes usage "
508 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
509 "Usage: df [--inodes|-i] [--human-readable|-h] [--lazy|-l]\n"
510 " [--pool|-p <fsname>[.<pool>]] [path]"},
511 {"getname", lfs_getname, 0,
512 "list instances and specified mount points [for specified path only]\n"
513 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
514 #ifdef HAVE_SYS_QUOTA_H
515 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
516 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
517 " -b <block-softlimit> -B <block-hardlimit>\n"
518 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
519 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
520 " [--block-softlimit <block-softlimit>]\n"
521 " [--block-hardlimit <block-hardlimit>]\n"
522 " [--inode-softlimit <inode-softlimit>]\n"
523 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
524 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
525 " [--block-grace 'notify'|<block-grace>]\n"
526 " [--inode-grace 'notify'|<inode-grace>] <filesystem>\n"
527 " setquota <-U|-G|-P>\n"
528 " -b <block-softlimit> -B <block-hardlimit>\n"
529 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
530 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
531 " [--block-softlimit <block-softlimit>]\n"
532 " [--block-hardlimit <block-hardlimit>]\n"
533 " [--inode-softlimit <inode-softlimit>]\n"
534 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
535 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
537 " -b can be used instead of --block-softlimit/--block-grace\n"
538 " -B can be used instead of --block-hardlimit\n"
539 " -i can be used instead of --inode-softlimit/--inode-grace\n"
540 " -I can be used instead of --inode-hardlimit\n"
541 " -d can be used instead of --default\n\n"
542 "Note: The total quota space will be split into many qunits and\n"
543 " balanced over all server targets, the minimal qunit size is\n"
544 " 1M bytes for block space and 1K inodes for inode space.\n\n"
545 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
546 " Quota space rebalancing process will stop when this mininum\n"
547 " value is reached. As a result, quota exceeded can be returned\n"
548 " while many targets still have 1MB or 1K inodes of spare\n"
550 " When setting the grace time, 'notify' can be used as grace to\n"
551 " be notified after the quota is over soft limit but prevents\n"
552 " the soft limit from becoming the hard limit."},
553 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
554 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
556 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
557 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
558 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
559 {"project", lfs_project, 0,
560 "Change or list project attribute for specified file or directory.\n"
561 "usage: project [-d|-r] <file|directory...>\n"
562 " list project ID and flags on file(s) or directories\n"
563 " project [-p id] [-s] [-r] <file|directory...>\n"
564 " set project ID and/or inherit flag for specified file(s) or directories\n"
565 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
566 " check project ID and flags on file(s) or directories, print outliers\n"
567 " project -C [-r] [-k] <file|directory...>\n"
568 " clear the project inherit flag and ID on the file or directory\n"
571 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
572 "usage: flushctx [-k] [mountpoint...]"},
573 {"changelog", lfs_changelog, 0,
574 "Show the metadata changes on an MDT."
575 "\nusage: changelog <mdtname> [startrec [endrec]]"},
576 {"changelog_clear", lfs_changelog_clear, 0,
577 "Indicate that old changelog records up to <endrec> are no longer of "
578 "interest to consumer <id>, allowing the system to free up space.\n"
579 "An <endrec> of 0 means all records.\n"
580 "usage: changelog_clear <mdtname> <id> <endrec>"},
581 {"fid2path", lfs_fid2path, 0,
582 "Resolve the full path(s) for given FID(s). For a specific hardlink "
583 "specify link number <linkno>.\n"
584 "usage: fid2path [-c] [--link|-l <linkno>] <fsname|root> <fid> ..."},
585 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
586 "usage: path2fid [--parents] <path> ..."},
587 {"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
588 "usage: rmfid <fsname|rootpath> <fid> ..."},
589 {"data_version", lfs_data_version, 0, "Display file data version for "
590 "a given path.\n" "usage: data_version [-n|-r|-w] <path>"},
591 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
592 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
593 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
594 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
595 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
596 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
598 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
599 "[--archived] [--lost] <file> ..."},
600 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
601 "given files.\n" "usage: hsm_action <file> ..."},
602 {"hsm_archive", lfs_hsm_archive, 0,
603 "Archive file to external storage.\n"
604 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
606 {"hsm_restore", lfs_hsm_restore, 0,
607 "Restore file from external storage.\n"
608 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
609 {"hsm_release", lfs_hsm_release, 0,
610 "Release files from Lustre.\n"
611 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
612 {"hsm_remove", lfs_hsm_remove, 0,
613 "Remove file copy from external storage.\n"
614 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
616 " (FILE [FILE ...] | "
617 "--mntpath MOUNTPATH FID [FID ...])\n"
619 "Note: To remove an archived copy of a file already deleted from a "
621 "--mntpath option and a list of FIDs must be specified"
623 {"hsm_cancel", lfs_hsm_cancel, 0,
624 "Cancel requests related to specified files.\n"
625 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
626 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
627 "usage: swap_layouts <path1> <path2>"},
628 {"migrate", lfs_setstripe_migrate, 0,
629 "migrate a directory between MDTs.\n"
630 "usage: migrate [--mdt-count|-c] <stripe_count>\n"
631 " [--mdt-hash|-H] <hash_type>\n"
632 " [--mdt-index|-m] <start_mdt_index>\n"
635 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
636 " it's the MDT index of first stripe\n"
637 "\tmdt_count: number of MDTs to stripe a directory over\n"
638 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
639 " all_char (type 1)sum of characters % MDT_COUNT\n"
640 " fnv_1a_64 (type 2)FNV-1a hash algorithm (default)\n"
641 " crush (type 3)CRUSH hash algorithm\n"
643 "migrate file objects from one OST "
644 "layout\nto another (may be not safe with concurent writes).\n"
646 "[--stripe-count|-c] <stripe_count>\n"
647 "[--overstripe-count|-C] <stripe_count>\n"
648 " [--stripe-index|-i] <start_ost_index>\n"
649 " [--stripe-size|-S] <stripe_size>\n"
650 " [--pool|-p] <pool_name>\n"
651 " [--ost|-o] <ost_indices>\n"
653 " [--non-block|-n]\n"
654 " [--non-direct|-D]\n"
655 " <file|directory>\n"
656 "\tstripe_count: number of OSTs to stripe a file over\n"
657 "\t Using -C instead of -c allows overstriping, which\n"
658 "\t will place more than one stripe per OST if\n"
659 "\t stripe_count is greater than the number of OSTs\n"
660 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
661 "\tstripe_size: number of bytes to store before moving to the next OST\n"
662 "\tpool_name: name of the predefined pool of OSTs\n"
663 "\tost_indices: OSTs to stripe over, in order\n"
664 "\tblock: Block file access during data migration (default)\n"
665 "\tnon-block: Abort migrations if concurrent access is detected\n"
666 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
668 "To move directories between MDTs. This command is deprecated, "
669 "use \"migrate\" instead.\n"
670 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
672 {"ladvise", lfs_ladvise, 0,
673 "Provide servers with advice about access patterns for a file.\n"
674 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
675 " [--background|-b] [--unset|-u]\n\n"
676 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
677 " {[--mode|-m [READ,WRITE]}\n"
679 {"mirror", lfs_mirror, mirror_cmdlist,
680 "lfs commands used to manage files with mirrored components:\n"
681 "lfs mirror create - create a mirrored file or directory\n"
682 "lfs mirror extend - add mirror(s) to an existing file\n"
683 "lfs mirror split - split a mirror from an existing mirrored file\n"
684 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
685 "lfs mirror read - read a mirror content of a mirrored file\n"
686 "lfs mirror write - write to a mirror of a mirrored file\n"
687 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
688 "lfs mirror verify - verify mirrored file(s)\n"},
689 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
690 "usage: getsom [-s] [-b] [-f] <path>\n"
691 "\t-s: Only show the size value of the SOM data for a given file\n"
692 "\t-b: Only show the blocks value of the SOM data for a given file\n"
693 "\t-f: Only show the flags value of the SOM data for a given file\n"},
694 {"heat_get", lfs_heat_get, 0,
695 "To get heat of files.\n"
696 "usage: heat_get <file> ...\n"},
697 {"heat_set", lfs_heat_set, 0,
698 "To set heat flags of files.\n"
699 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
700 "\t--clear|-c: Clear file heat for given files\n"
701 "\t--off|-o: Turn off file heat for given files\n"
702 "\t--on|-O: Turn on file heat for given files\n"},
703 {"pcc", lfs_pcc, pcc_cmdlist,
704 "lfs commands used to interact with PCC features:\n"
705 "lfs pcc attach - attach given files to Persistent Client Cache\n"
706 "lfs pcc attach_fid - attach given files into PCC by FID(s)\n"
707 "lfs pcc state - display the PCC state for given files\n"
708 "lfs pcc detach - detach given files from Persistent Client Cache\n"
709 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
710 {"help", Parser_help, 0, "help"},
711 {"exit", Parser_quit, 0, "quit"},
712 {"quit", Parser_quit, 0, "quit"},
713 {"--version", Parser_version, 0,
714 "output build version of the utility and exit"},
715 {"--list-commands", lfs_list_commands, 0,
716 "list commands supported by the utility and exit"},
721 static int check_hashtype(const char *hashtype)
723 int type_num = atoi(hashtype);
726 /* numeric hash type */
727 if (hashtype && strlen(hashtype) == 1 &&
728 (type_num > 0 && type_num < LMV_HASH_TYPE_MAX))
730 /* string hash type */
731 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
732 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
738 static uint32_t check_foreign_type_name(const char *foreign_type_name)
742 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
743 if (lu_foreign_types[i].lft_name == NULL)
745 if (strcmp(foreign_type_name,
746 lu_foreign_types[i].lft_name) == 0)
747 return lu_foreign_types[i].lft_type;
750 return LU_FOREIGN_TYPE_UNKNOWN;
753 static const char *error_loc = "syserror";
756 MIGRATION_NONBLOCK = 0x0001,
757 MIGRATION_MIRROR = 0x0002,
758 MIGRATION_NONDIRECT = 0x0004,
759 MIGRATION_VERBOSE = 0x0008,
762 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
763 struct llapi_layout *layout);
766 migrate_open_files(const char *name, __u64 migration_flags,
767 const struct llapi_stripe_param *param,
768 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
775 char parent[PATH_MAX];
776 char volatile_file[PATH_MAX];
782 if (param == NULL && layout == NULL) {
783 error_loc = "layout information";
787 /* search for file directory pathname */
788 if (strlen(name) > sizeof(parent) - 1) {
789 error_loc = "source file name";
793 strncpy(parent, name, sizeof(parent));
794 ptr = strrchr(parent, '/');
796 if (getcwd(parent, sizeof(parent)) == NULL) {
797 error_loc = "getcwd";
801 if (ptr == parent) /* leading '/' */
806 /* open file, direct io */
807 /* even if the file is only read, WR mode is nedeed to allow
808 * layout swap on fd */
810 if (!(migration_flags & MIGRATION_NONDIRECT))
812 fd = open(name, rflags);
815 error_loc = "cannot open source file";
819 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
821 error_loc = "cannot get MDT index";
826 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
827 mode_t open_mode = S_IRUSR | S_IWUSR;
829 random_value = random();
830 rc = snprintf(volatile_file, sizeof(volatile_file),
831 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
832 mdt_index, random_value);
833 if (rc >= sizeof(volatile_file)) {
838 /* create, open a volatile file, use caching (ie no directio) */
840 fdv = lfs_component_create(volatile_file, open_flags,
843 fdv = llapi_file_open_param(volatile_file, open_flags,
845 } while (fdv < 0 && (rc = fdv) == -EEXIST);
848 error_loc = "cannot create volatile file";
852 /* In case the MDT does not support creation of volatile files
853 * we should try to unlink it. */
854 (void)unlink(volatile_file);
856 /* Not-owner (root?) special case.
857 * Need to set owner/group of volatile file like original.
858 * This will allow to pass related check during layout_swap.
863 error_loc = "cannot stat source file";
867 rc = fstat(fdv, &stv);
870 error_loc = "cannot stat volatile";
874 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
875 rc = fchown(fdv, st.st_uid, st.st_gid);
878 error_loc = "cannot change ownwership of volatile";
897 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
899 struct llapi_layout *layout;
900 size_t buf_size = 4 * 1024 * 1024;
909 layout = llapi_layout_get_by_fd(fd_src, 0);
910 if (layout != NULL) {
911 uint64_t stripe_size;
913 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
915 buf_size = stripe_size;
917 llapi_layout_free(layout);
920 /* Use a page-aligned buffer for direct I/O */
921 rc = posix_memalign(&buf, getpagesize(), buf_size);
926 /* read new data only if we have written all
927 * previously read data */
930 rc = check_file(fd_src);
935 rsize = read(fd_src, buf, buf_size);
947 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
966 static int migrate_copy_timestamps(int fd, int fdv)
970 if (fstat(fd, &st) == 0) {
971 struct timeval tv[2] = {
972 {.tv_sec = st.st_atime},
973 {.tv_sec = st.st_mtime}
976 return futimes(fdv, tv);
982 static int migrate_block(int fd, int fdv)
989 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
991 error_loc = "cannot get dataversion";
999 /* The grouplock blocks all concurrent accesses to the file.
1000 * It has to be taken after llapi_get_data_version as it would
1002 rc = llapi_group_lock(fd, gid);
1004 error_loc = "cannot get group lock";
1008 rc = migrate_copy_data(fd, fdv, NULL);
1010 error_loc = "data copy failed";
1014 /* Make sure we keep original atime/mtime values */
1015 rc = migrate_copy_timestamps(fd, fdv);
1017 error_loc = "timestamp copy failed";
1022 * for a migration we need to check data version on file did
1025 * Pass in gid=0 since we already own grouplock. */
1026 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
1027 SWAP_LAYOUTS_CHECK_DV1);
1028 if (rc == -EAGAIN) {
1029 error_loc = "file changed";
1031 } else if (rc < 0) {
1032 error_loc = "cannot swap layout";
1037 rc2 = llapi_group_unlock(fd, gid);
1038 if (rc2 < 0 && rc == 0) {
1039 error_loc = "unlock group lock";
1047 * Internal helper for migrate_copy_data(). Check lease and report error if
1050 * \param[in] fd File descriptor on which to check the lease.
1052 * \retval 0 Migration can keep on going.
1053 * \retval -errno Error occurred, abort migration.
1055 static int check_lease(int fd)
1059 rc = llapi_lease_check(fd);
1061 return 0; /* llapi_check_lease returns > 0 on success. */
1066 static int migrate_nonblock(int fd, int fdv)
1072 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1074 error_loc = "cannot get data version";
1078 rc = migrate_copy_data(fd, fdv, check_lease);
1080 error_loc = "data copy failed";
1084 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1086 error_loc = "cannot get data version";
1092 error_loc = "source file changed";
1096 /* Make sure we keep original atime/mtime values */
1097 rc = migrate_copy_timestamps(fd, fdv);
1099 error_loc = "timestamp copy failed";
1106 static int lfs_component_set(char *fname, int comp_id,
1107 __u32 flags, __u32 neg_flags)
1110 __u32 flags_array[2];
1115 ids[count] = comp_id;
1116 flags_array[count] = flags;
1121 if (neg_flags & LCME_FL_STALE) {
1122 fprintf(stderr, "%s: cannot clear 'stale' flags from "
1123 "component. Please use lfs-mirror-resync(1) "
1124 "instead\n", progname);
1128 ids[count] = comp_id;
1129 flags_array[count] = neg_flags | LCME_FL_NEG;
1133 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1135 if (errno == EUCLEAN) {
1138 "%s: cannot set 'stale' flag on component '%#x' of the last non-stale mirror of '%s'\n",
1139 progname, comp_id, fname);
1142 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1143 progname, comp_id, fname, flags, neg_flags);
1150 static int lfs_component_del(char *fname, __u32 comp_id,
1151 __u32 flags, __u32 neg_flags)
1155 if (flags && neg_flags)
1158 if (!flags && neg_flags)
1159 flags = neg_flags | LCME_FL_NEG;
1161 if ((flags && comp_id) || (!flags && !comp_id))
1165 if (flags & ~LCME_KNOWN_FLAGS) {
1167 "%s setstripe: unknown flags %#x\n",
1171 } else if (comp_id > LCME_ID_MAX) {
1172 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1177 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1180 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1181 progname, comp_id, fname, strerror(errno));
1185 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1192 rc = llapi_layout_file_comp_add(fname, layout);
1194 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1195 fname, strerror(errno));
1199 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1200 struct llapi_layout *layout)
1208 fd = lstat(fname, &st);
1209 if (fd == 0 && S_ISDIR(st.st_mode))
1210 open_flags = O_DIRECTORY | O_RDONLY;
1212 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1214 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1215 S_ISDIR(st.st_mode) ?
1216 "set default composite layout for" :
1217 "create composite file",
1218 fname, strerror(errno));
1222 static int lfs_migrate(char *name, __u64 migration_flags,
1223 struct llapi_stripe_param *param,
1224 struct llapi_layout *layout)
1226 struct llapi_layout *existing;
1227 uint64_t dom_new, dom_cur;
1232 rc = migrate_open_files(name, migration_flags, param, layout,
1237 rc = llapi_layout_dom_size(layout, &dom_new);
1239 error_loc = "cannot get new layout DoM size";
1242 /* special case for migration to DOM layout*/
1243 existing = llapi_layout_get_by_fd(fd, 0);
1245 error_loc = "cannot get existing layout";
1249 rc = llapi_layout_dom_size(existing, &dom_cur);
1251 error_loc = "cannot get current layout DoM size";
1255 /* if file has DoM layout already then migration is possible to
1256 * the new layout with the same DoM component via swap layout,
1257 * if new layout used bigger DOM size, then mirroring is used
1259 if (dom_new > dom_cur) {
1260 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1263 error_loc = "cannot migrate to DOM layout";
1267 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1268 /* Blocking mode (forced if servers do not support file lease).
1269 * It is also the default mode, since we cannot distinguish
1270 * between a broken lease and a server that does not support
1271 * atomic swap/close (LU-6785) */
1272 rc = migrate_block(fd, fdv);
1276 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1278 error_loc = "cannot get lease";
1282 rc = migrate_nonblock(fd, fdv);
1284 llapi_lease_release(fd);
1288 /* Atomically put lease, swap layouts and close.
1289 * for a migration we need to check data version on file did
1291 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1293 error_loc = "cannot swap layout";
1305 fprintf(stderr, "error: %s: %s: %s: %s\n",
1306 progname, name, error_loc, strerror(-rc));
1307 else if (migration_flags & MIGRATION_VERBOSE)
1308 printf("%s\n", name);
1313 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1322 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1326 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1327 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1328 const char *comp_name = comp_flags_table[i].cfn_name;
1330 if (strcmp(name, comp_name) == 0) {
1331 *flags |= comp_flag;
1333 } else if (strncmp(name, "^", 1) == 0 &&
1334 strcmp(name + 1, comp_name) == 0) {
1335 *neg_flags |= comp_flag;
1340 llapi_printf(LLAPI_MSG_ERROR,
1341 "%s: component flag '%s' not supported\n",
1347 if (!*flags && !*neg_flags)
1350 /* don't allow to set and exclude the same flag */
1351 if (*flags & *neg_flags)
1357 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1365 if (strncmp(string, "^", 1) == 0) {
1366 *neg_state = llapi_layout_string_flags(string + 1);
1367 if (*neg_state != 0)
1370 *state = llapi_layout_string_flags(string);
1375 llapi_printf(LLAPI_MSG_ERROR,
1376 "%s: mirrored file state '%s' not supported\n",
1382 * struct mirror_args - Command-line arguments for mirror(s).
1383 * @m_count: Number of mirrors to be created with this layout.
1384 * @m_flags: Mirror level flags, only 'prefer' is supported.
1385 * @m_layout: Mirror layout.
1386 * @m_file: A victim file. Its layout will be split and used as a mirror.
1387 * @m_next: Point to the next node of the list.
1389 * Command-line arguments for mirror(s) will be parsed and stored in
1390 * a linked list that consists of this structure.
1392 struct mirror_args {
1395 struct llapi_layout *m_layout;
1397 struct mirror_args *m_next;
1402 * enum mirror_flags - Flags for extending a mirrored file.
1403 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1404 * in case the victim file(s) contains the same data as the
1405 * original mirrored file.
1406 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1407 * @MF_COMP_ID: specified component id instead of mirror id
1409 * Flags for extending a mirrored file.
1419 * mirror_create_sanity_check() - Check mirror list.
1420 * @list: A linked list that stores the mirror arguments.
1422 * This function does a sanity check on @list for creating
1425 * Return: 0 on success or a negative error code on failure.
1427 static int mirror_create_sanity_check(const char *fname,
1428 struct mirror_args *list)
1431 bool has_m_file = false;
1432 bool has_m_layout = false;
1438 struct llapi_layout *layout;
1440 layout = llapi_layout_get_by_path(fname, 0);
1443 "error: %s: file '%s' couldn't get layout\n",
1448 rc = llapi_layout_sanity(layout, false, true);
1450 llapi_layout_free(layout);
1453 llapi_layout_sanity_perror(rc);
1458 while (list != NULL) {
1459 if (list->m_file != NULL) {
1461 llapi_layout_free(list->m_layout);
1464 llapi_layout_get_by_path(list->m_file, 0);
1465 if (list->m_layout == NULL) {
1467 "error: %s: file '%s' has no layout\n",
1468 progname, list->m_file);
1472 has_m_layout = true;
1473 if (list->m_layout == NULL) {
1474 fprintf(stderr, "error: %s: no mirror layout\n",
1480 rc = llapi_layout_sanity(list->m_layout, false, true);
1482 llapi_layout_sanity_perror(rc);
1486 list = list->m_next;
1489 if (has_m_file && has_m_layout) {
1491 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1499 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1501 __u32 mirror_flags = *(__u32 *)cbdata;
1505 rc = llapi_layout_comp_flags_get(layout, &flags);
1510 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1515 return LLAPI_LAYOUT_ITER_CONT;
1519 * mirror_create() - Create a mirrored file.
1520 * @fname: The file to be created.
1521 * @mirror_list: A linked list that stores the mirror arguments.
1523 * This function creates a mirrored file @fname with the mirror(s)
1524 * from @mirror_list.
1526 * Return: 0 on success or a negative error code on failure.
1528 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1530 struct llapi_layout *layout = NULL;
1531 struct mirror_args *cur_mirror = NULL;
1532 uint16_t mirror_count = 0;
1536 rc = mirror_create_sanity_check(NULL, mirror_list);
1540 cur_mirror = mirror_list;
1541 while (cur_mirror != NULL) {
1542 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1544 &cur_mirror->m_flags);
1547 fprintf(stderr, "%s: failed to set mirror flags\n",
1552 for (i = 0; i < cur_mirror->m_count; i++) {
1553 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1556 fprintf(stderr, "error: %s: "
1557 "merge layout failed: %s\n",
1558 progname, strerror(errno));
1562 mirror_count += cur_mirror->m_count;
1563 cur_mirror = cur_mirror->m_next;
1566 if (layout == NULL) {
1567 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1571 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1574 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1575 progname, strerror(errno));
1579 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1587 llapi_layout_free(layout);
1592 * Compare files and check lease on @fd.
1594 * \retval bytes number of bytes are the same
1596 static ssize_t mirror_file_compare(int fd, int fdv)
1598 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1600 ssize_t bytes_done = 0;
1601 ssize_t bytes_read = 0;
1603 buf = malloc(buflen * 2);
1608 if (!llapi_lease_check(fd)) {
1609 bytes_done = -EBUSY;
1613 bytes_read = read(fd, buf, buflen);
1614 if (bytes_read <= 0)
1617 if (bytes_read != read(fdv, buf + buflen, buflen))
1620 /* XXX: should compute the checksum on each buffer and then
1621 * compare checksum to avoid cache collision */
1622 if (memcmp(buf, buf + buflen, bytes_read))
1625 bytes_done += bytes_read;
1633 static int mirror_extend_file(const char *fname, const char *victim_file,
1634 enum mirror_flags mirror_flags)
1639 struct stat stbuf_v;
1640 struct ll_ioc_lease *data = NULL;
1643 fd = open(fname, O_RDWR);
1645 error_loc = "open source file";
1650 fdv = open(victim_file, O_RDWR);
1652 error_loc = "open target file";
1657 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1658 error_loc = "stat source or target file";
1663 if (stbuf.st_dev != stbuf_v.st_dev) {
1664 error_loc = "stat source and target file";
1669 /* mirrors should be of the same size */
1670 if (stbuf.st_size != stbuf_v.st_size) {
1671 error_loc = "file sizes don't match";
1676 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1678 error_loc = "cannot get lease";
1682 if (!(mirror_flags & MF_NO_VERIFY)) {
1684 /* mirrors should have the same contents */
1685 ret = mirror_file_compare(fd, fdv);
1686 if (ret != stbuf.st_size) {
1687 error_loc = "file busy or contents don't match";
1688 rc = ret < 0 ? ret : -EINVAL;
1693 /* Get rid of caching pages from clients */
1694 rc = llapi_file_flush(fd);
1696 error_loc = "cannot get data version";
1700 rc = llapi_file_flush(fdv);
1702 error_loc = "cannot get data version";
1707 /* Make sure we keep original atime/mtime values */
1708 rc = migrate_copy_timestamps(fd, fdv);
1710 error_loc = "cannot copy timestamp";
1714 /* Atomically put lease, merge layouts and close. */
1715 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1717 error_loc = "memory allocation";
1720 data->lil_mode = LL_LEASE_UNLCK;
1721 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1722 data->lil_count = 1;
1723 data->lil_ids[0] = fdv;
1724 rc = llapi_lease_set(fd, data);
1726 error_loc = "cannot merge layout";
1728 } else if (rc == 0) {
1730 error_loc = "lost lease lock";
1743 (void) unlink(victim_file);
1745 fprintf(stderr, "error: %s: %s: %s: %s\n",
1746 progname, fname, error_loc, strerror(-rc));
1750 static int mirror_extend_layout(char *name, struct llapi_layout *m_layout,
1753 struct llapi_layout *f_layout = NULL;
1754 struct ll_ioc_lease *data = NULL;
1760 f_layout = llapi_layout_get_by_path(name, 0);
1761 if (f_layout == NULL) {
1762 fprintf(stderr, "%s: cannot get layout\n", progname);
1765 rc = llapi_layout_get_last_init_comp(f_layout);
1767 fprintf(stderr, "%s: cannot get the last init comp\n",
1771 rc = llapi_layout_mirror_inherit(f_layout, m_layout);
1774 "%s: cannot inherit from the last init comp\n",
1779 rc = migrate_open_files(name, 0, NULL, m_layout, &fd, &fdv);
1783 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1785 error_loc = "cannot get lease";
1789 rc = migrate_nonblock(fd, fdv);
1791 llapi_lease_release(fd);
1795 /* Atomically put lease, merge layouts and close. */
1796 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1798 error_loc = "memory allocation";
1801 data->lil_mode = LL_LEASE_UNLCK;
1802 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1803 data->lil_count = 1;
1804 data->lil_ids[0] = fdv;
1805 rc = llapi_lease_set(fd, data);
1807 error_loc = "cannot merge layout";
1809 } else if (rc == 0) {
1811 error_loc = "lost lease lock";
1824 fprintf(stderr, "error: %s: %s: %s: %s\n",
1825 progname, name, error_loc, strerror(-rc));
1829 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1830 enum mirror_flags mirror_flags)
1834 rc = mirror_create_sanity_check(fname, mirror_list);
1838 while (mirror_list) {
1839 if (mirror_list->m_file != NULL) {
1840 rc = mirror_extend_file(fname, mirror_list->m_file,
1843 __u32 mirror_count = mirror_list->m_count;
1845 while (mirror_count > 0) {
1846 rc = mirror_extend_layout(fname,
1847 mirror_list->m_layout,
1848 mirror_list->m_inherit);
1858 mirror_list = mirror_list->m_next;
1864 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1869 rc = llapi_layout_mirror_id_get(layout, &id);
1873 if ((__u16)id == *(__u16 *)cbdata)
1874 return LLAPI_LAYOUT_ITER_STOP;
1876 return LLAPI_LAYOUT_ITER_CONT;
1879 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1884 rc = llapi_layout_comp_id_get(layout, &id);
1888 if (id == *(__u32 *)cbdata)
1889 return LLAPI_LAYOUT_ITER_STOP;
1891 return LLAPI_LAYOUT_ITER_CONT;
1894 struct pool_to_id_cbdata {
1898 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
1900 char buf[LOV_MAXPOOLNAME + 1];
1901 struct pool_to_id_cbdata *d = (void *)cbdata;
1905 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
1908 if (strcmp(d->pool, buf))
1909 return LLAPI_LAYOUT_ITER_CONT;
1911 rc = llapi_layout_mirror_id_get(layout, &id);
1916 return LLAPI_LAYOUT_ITER_STOP;
1919 struct collect_ids_data {
1925 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
1927 struct collect_ids_data *cid = cbdata;
1931 rc = llapi_layout_mirror_id_get(layout, &id);
1935 if ((__u16)id != cid->cid_exclude) {
1938 for (i = 0; i < cid->cid_count; i++) {
1939 /* already collected the mirror id */
1940 if (id == cid->cid_ids[i])
1941 return LLAPI_LAYOUT_ITER_CONT;
1943 cid->cid_ids[cid->cid_count] = id;
1947 return LLAPI_LAYOUT_ITER_CONT;
1951 * last_non_stale_mirror() - Check if a mirror is the last non-stale mirror.
1952 * @mirror_id: Mirror id to be checked.
1953 * @layout: Mirror component list.
1955 * This function checks if a mirror with specified @mirror_id is the last
1956 * non-stale mirror of a layout @layout.
1958 * Return: true or false.
1961 bool last_non_stale_mirror(__u16 mirror_id, struct llapi_layout *layout)
1963 __u16 mirror_ids[128] = { 0 };
1964 struct collect_ids_data cid = { .cid_ids = mirror_ids,
1966 .cid_exclude = mirror_id, };
1969 llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
1971 for (i = 0; i < cid.cid_count; i++) {
1972 struct llapi_resync_comp comp_array[1024] = { { 0 } };
1975 comp_size = llapi_mirror_find_stale(layout, comp_array,
1976 ARRAY_SIZE(comp_array),
1985 static int mirror_split(const char *fname, __u32 id, const char *pool,
1986 enum mirror_flags mflags, const char *victim_file)
1988 struct llapi_layout *layout;
1989 char parent[PATH_MAX];
1990 char victim[PATH_MAX];
1991 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1993 struct ll_ioc_lease *data;
1994 uint16_t mirror_count;
1999 /* check fname contains mirror with mirror_id/comp_id */
2000 layout = llapi_layout_get_by_path(fname, 0);
2003 "error %s: file '%s' couldn't get layout\n",
2008 rc = llapi_layout_sanity(layout, false, true);
2010 llapi_layout_sanity_perror(rc);
2014 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
2017 "error %s: file '%s' couldn't get mirror count\n",
2021 if (mirror_count < 2) {
2023 "error %s: file '%s' has %d component, cannot split\n",
2024 progname, fname, mirror_count);
2028 if (mflags & MF_COMP_POOL) {
2029 struct pool_to_id_cbdata data = { .pool = pool };
2031 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool,
2034 } else if (mflags & MF_COMP_ID) {
2035 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
2036 id = mirror_id_of(id);
2038 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
2041 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
2044 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
2046 "error %s: file '%s' does not contain mirror with id %u\n",
2047 progname, fname, id);
2051 fd = open(fname, O_RDWR);
2054 "error %s: open file '%s' failed: %s\n",
2055 progname, fname, strerror(errno));
2059 /* get victim file directory pathname */
2060 if (strlen(fname) > sizeof(parent) - 1) {
2061 fprintf(stderr, "error %s: file name of '%s' too long\n",
2066 strncpy(parent, fname, sizeof(parent));
2067 ptr = strrchr(parent, '/');
2069 if (getcwd(parent, sizeof(parent)) == NULL) {
2070 fprintf(stderr, "error %s: getcwd failed: %s\n",
2071 progname, strerror(errno));
2081 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
2083 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
2088 if (victim_file == NULL) {
2089 /* use a temp file to store the splitted layout */
2090 if (mflags & MF_DESTROY) {
2091 if (last_non_stale_mirror(id, layout)) {
2094 "%s: cannot destroy the last non-stale mirror of file '%s'\n",
2099 fdv = llapi_create_volatile_idx(parent, mdt_index,
2100 O_LOV_DELAY_CREATE);
2102 snprintf(victim, sizeof(victim), "%s.mirror~%u",
2104 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
2107 /* user specified victim file */
2108 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
2113 "error %s: create victim file failed: %s\n",
2114 progname, strerror(errno));
2118 /* get lease lock of fname */
2119 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
2122 "error %s: cannot get lease of file '%s': %d\n",
2123 progname, fname, rc);
2127 /* Atomatically put lease, split layouts and close. */
2128 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2134 data->lil_mode = LL_LEASE_UNLCK;
2135 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2136 data->lil_count = 2;
2137 data->lil_ids[0] = fdv;
2138 data->lil_ids[1] = id;
2139 rc = llapi_lease_set(fd, data);
2141 if (rc == 0) /* lost lease lock */
2144 "error %s: cannot split '%s': %s\n",
2145 progname, fname, strerror(-rc));
2156 llapi_layout_free(layout);
2161 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2162 __u16 *mirror_ids, int ids_nr);
2164 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2165 __u64 migration_flags,
2166 struct llapi_stripe_param *param,
2167 struct llapi_layout *layout)
2169 struct ll_ioc_lease *data = NULL;
2172 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2174 error_loc = "cannot get lease";
2178 /* Atomically put lease, merge layouts, resync and close. */
2179 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2181 error_loc = "memory allocation";
2184 data->lil_mode = LL_LEASE_UNLCK;
2185 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2186 data->lil_count = 1;
2187 data->lil_ids[0] = fdv;
2188 rc = llapi_lease_set(fd, data);
2190 error_loc = "cannot merge layout";
2192 } else if (rc == 0) {
2194 error_loc = "lost lease lock";
2200 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2202 error_loc = "cannot resync file";
2206 /* delete first mirror now */
2207 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2209 error_loc = "cannot delete old layout";
2217 fprintf(stderr, "error: %s: %s: %s: %s\n",
2218 progname, name, error_loc, strerror(-rc));
2219 else if (migration_flags & MIGRATION_VERBOSE)
2220 printf("%s\n", name);
2227 * Parse a string containing an target index list into an array of integers.
2229 * The input string contains a comma delimited list of individual
2230 * indices and ranges, for example "1,2-4,7". Add the indices into the
2231 * \a tgts array and remove duplicates.
2233 * \param[out] tgts array to store indices in
2234 * \param[in] size size of \a tgts array
2235 * \param[in] offset starting index in \a tgts
2236 * \param[in] arg string containing OST index list
2237 * \param[in/out] overstriping index list may contain duplicates
2239 * \retval positive number of indices in \a tgts
2240 * \retval -EINVAL unable to parse \a arg
2242 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2243 unsigned long long *pattern)
2247 int slots = size - offset;
2249 bool overstriped = false;
2255 end_of_loop = false;
2256 while (!end_of_loop) {
2257 int start_index = 0;
2260 char *endptr = NULL;
2264 ptr = strchrnul(arg, ',');
2266 end_of_loop = *ptr == '\0';
2269 start_index = strtol(arg, &endptr, 0);
2270 if (endptr == arg) /* no data at all */
2272 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2275 end_index = start_index;
2276 if (*endptr == '-') {
2277 end_index = strtol(endptr + 1, &endptr, 0);
2278 if (*endptr != '\0')
2280 if (end_index < start_index)
2284 for (i = start_index; i <= end_index && slots > 0; i++) {
2287 /* remove duplicate */
2288 for (j = 0; j < offset; j++) {
2289 if (tgts[j] == i && pattern &&
2290 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2292 else if (tgts[j] == i)
2298 if (j == offset) { /* check complete */
2304 if (slots == 0 && i < end_index)
2312 if (!end_of_loop && ptr != NULL)
2315 if (!overstriped && pattern)
2316 *pattern = LLAPI_LAYOUT_DEFAULT;
2318 return rc < 0 ? rc : nr;
2321 struct lfs_setstripe_args {
2322 unsigned long long lsa_comp_end;
2323 unsigned long long lsa_stripe_size;
2324 unsigned long long lsa_extension_size;
2325 long long lsa_stripe_count;
2326 long long lsa_stripe_off;
2327 __u32 lsa_comp_flags;
2328 __u32 lsa_comp_neg_flags;
2329 unsigned long long lsa_pattern;
2330 unsigned int lsa_mirror_count;
2332 bool lsa_first_comp;
2333 bool lsa_extension_comp;
2335 char *lsa_pool_name;
2338 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2340 unsigned int mirror_count = lsa->lsa_mirror_count;
2341 bool first_comp = lsa->lsa_first_comp;
2343 memset(lsa, 0, sizeof(*lsa));
2345 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2346 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2347 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2348 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2349 lsa->lsa_pool_name = NULL;
2351 lsa->lsa_mirror_count = mirror_count;
2352 lsa->lsa_first_comp = first_comp;
2356 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2357 * @lsa: Stripe options to be initialized and inherited.
2359 * This function initializes stripe options in @lsa and inherit
2360 * stripe_size, stripe_count and OST pool_name options.
2364 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2366 unsigned long long stripe_size;
2367 long long stripe_count;
2368 char *pool_name = NULL;
2370 stripe_size = lsa->lsa_stripe_size;
2371 stripe_count = lsa->lsa_stripe_count;
2372 pool_name = lsa->lsa_pool_name;
2374 setstripe_args_init(lsa);
2376 lsa->lsa_stripe_size = stripe_size;
2377 lsa->lsa_stripe_count = stripe_count;
2378 lsa->lsa_pool_name = pool_name;
2381 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2383 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2384 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2385 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2386 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2387 lsa->lsa_comp_end != 0);
2391 * comp_args_to_layout() - Create or extend a composite layout.
2392 * @composite: Pointer to the composite layout.
2393 * @lsa: Stripe options for the new component.
2395 * This function creates or extends a composite layout by adding a new
2396 * component with stripe options from @lsa.
2398 * Return: 0 on success or an error code on failure.
2400 static int comp_args_to_layout(struct llapi_layout **composite,
2401 struct lfs_setstripe_args *lsa,
2404 struct llapi_layout *layout = *composite;
2405 uint64_t prev_end = 0;
2410 if (layout == NULL) {
2411 layout = llapi_layout_alloc();
2412 if (layout == NULL) {
2413 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2418 *composite = layout;
2419 lsa->lsa_first_comp = true;
2423 /* Get current component extent, current component
2424 * must be the tail component. */
2425 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2427 fprintf(stderr, "Get comp extent failed. %s\n",
2432 if (lsa->lsa_first_comp) {
2434 rc = llapi_layout_add_first_comp(layout);
2436 rc = llapi_layout_comp_add(layout);
2439 fprintf(stderr, "Add component failed. %s\n",
2445 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2447 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2448 lsa->lsa_comp_flags, strerror(errno));
2453 uint64_t comp_end = lsa->lsa_comp_end;
2455 /* The extendable component is 0-length, so it can be removed
2456 * if there is insufficient space to extend it. */
2457 if (lsa->lsa_extension_comp)
2458 comp_end = prev_end;
2460 rc = llapi_layout_comp_extent_set(layout, prev_end,
2463 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2464 prev_end, comp_end, strerror(errno));
2468 /* reset lsa_first_comp */
2469 lsa->lsa_first_comp = false;
2471 /* Data-on-MDT component setting */
2472 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2473 /* In case of Data-on-MDT patterns the only extra option
2474 * applicable is stripe size option. */
2475 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2476 fprintf(stderr, "Option 'stripe-count' can't be "
2477 "specified with Data-on-MDT component: %lld\n",
2478 lsa->lsa_stripe_count);
2482 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2483 fprintf(stderr, "Option 'stripe-size' can't be "
2484 "specified with Data-on-MDT component: %llu\n",
2485 lsa->lsa_stripe_size);
2489 if (lsa->lsa_nr_tgts != 0) {
2490 fprintf(stderr, "Option 'ost-list' can't be specified "
2491 "with Data-on-MDT component: '%i'\n",
2496 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2497 fprintf(stderr, "Option 'stripe-offset' can't be "
2498 "specified with Data-on-MDT component: %lld\n",
2499 lsa->lsa_stripe_off);
2503 if (lsa->lsa_pool_name != 0) {
2504 fprintf(stderr, "Option 'pool' can't be specified "
2505 "with Data-on-MDT component: '%s'\n",
2506 lsa->lsa_pool_name);
2511 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2513 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2518 /* Data-on-MDT component has always single stripe up to end */
2519 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2520 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2521 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2523 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2530 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2531 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2533 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2534 rc = llapi_layout_extension_size_set(layout, size);
2536 rc = llapi_layout_stripe_size_set(layout, size);
2539 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2540 size, strerror(errno));
2544 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2546 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2547 lsa->lsa_stripe_count, strerror(errno));
2551 if (lsa->lsa_pool_name != NULL) {
2552 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2554 fprintf(stderr, "Set pool name: %s failed. %s\n",
2555 lsa->lsa_pool_name, strerror(errno));
2559 rc = llapi_layout_pool_name_set(layout, "");
2561 fprintf(stderr, "Clear pool name failed: %s\n",
2567 if (lsa->lsa_nr_tgts > 0) {
2568 if (lsa->lsa_stripe_count > 0 &&
2569 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2570 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2571 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2572 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2573 lsa->lsa_stripe_count,
2578 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2579 rc = llapi_layout_ost_index_set(layout, i,
2584 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2585 lsa->lsa_stripe_off != -1) {
2586 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2589 fprintf(stderr, "Set ost index %d failed. %s\n",
2590 i, strerror(errno));
2594 /* Create the second, virtual component of extension space */
2595 if (lsa->lsa_extension_comp) {
2596 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2597 lsa->lsa_extension_comp = false;
2604 static int build_component(struct llapi_layout **layout,
2605 struct lfs_setstripe_args *lsa, bool set_extent)
2609 rc = comp_args_to_layout(layout, lsa, set_extent);
2613 if (lsa->lsa_mirror_count > 0) {
2614 rc = llapi_layout_mirror_count_set(*layout,
2615 lsa->lsa_mirror_count);
2619 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2622 lsa->lsa_mirror_count = 0;
2628 static int build_layout_from_yaml_node(struct cYAML *node,
2629 struct llapi_layout **layout,
2630 struct lfs_setstripe_args *lsa,
2637 if (node->cy_type == CYAML_TYPE_OBJECT) {
2638 /* go deep to sub blocks */
2639 rc = build_layout_from_yaml_node(node->cy_child, layout,
2644 if (node->cy_string == NULL)
2647 string = node->cy_string;
2648 /* skip leading lmm_ if present, to simplify parsing */
2649 if (strncmp(string, "lmm_", 4) == 0)
2652 if (node->cy_type == CYAML_TYPE_STRING) {
2653 if (!strcmp(string, "lcme_extent.e_end")) {
2654 if (!strcmp(node->cy_valuestring, "EOF") ||
2655 !strcmp(node->cy_valuestring, "eof"))
2656 lsa->lsa_comp_end = LUSTRE_EOF;
2657 } else if (!strcmp(string, "pool")) {
2658 lsa->lsa_pool_name = node->cy_valuestring;
2659 } else if (!strcmp(string, "pattern")) {
2660 if (!strcmp(node->cy_valuestring, "mdt"))
2661 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2662 if (!strcmp(node->cy_valuestring,
2663 "raid0,overstriped"))
2665 LLAPI_LAYOUT_OVERSTRIPING;
2666 } else if (!strcmp(string, "lcme_flags")) {
2667 rc = comp_str2flags(node->cy_valuestring,
2668 &lsa->lsa_comp_flags,
2669 &lsa->lsa_comp_neg_flags);
2672 /* Only template flags have meaning in
2673 * the layout for a new file
2675 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2677 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2678 if (!strcmp(string, "lcm_mirror_count")) {
2679 lsa->lsa_mirror_count = node->cy_valueint;
2680 } else if (!strcmp(string, "lcme_extent.e_start")) {
2681 if (node->cy_valueint != 0 || *layout != NULL) {
2682 rc = build_component(layout, lsa, true);
2687 if (node->cy_valueint == 0)
2688 lsa->lsa_first_comp = true;
2690 /* initialize lsa */
2691 setstripe_args_init(lsa);
2692 lsa->lsa_tgts = osts;
2693 } else if (!strcmp(string, "lcme_extent.e_end")) {
2694 if (node->cy_valueint == -1)
2695 lsa->lsa_comp_end = LUSTRE_EOF;
2697 lsa->lsa_comp_end = node->cy_valueint;
2698 } else if (!strcmp(string, "stripe_count")) {
2699 lsa->lsa_stripe_count = node->cy_valueint;
2700 } else if (!strcmp(string, "stripe_size")) {
2701 lsa->lsa_stripe_size = node->cy_valueint;
2702 } else if (!strcmp(string, "stripe_offset")) {
2703 lsa->lsa_stripe_off = node->cy_valueint;
2704 } else if (!strcmp(string, "l_ost_idx")) {
2705 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2710 node = node->cy_next;
2716 static int lfs_comp_create_from_yaml(char *template,
2717 struct llapi_layout **layout,
2718 struct lfs_setstripe_args *lsa,
2721 struct cYAML *tree = NULL, *err_rc = NULL;
2724 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2726 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2727 progname, template);
2728 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2729 "can't parse", &err_rc);
2730 cYAML_print_tree2file(stderr, err_rc);
2731 cYAML_free_tree(err_rc);
2736 /* initialize lsa for plain file */
2737 setstripe_args_init(lsa);
2738 lsa->lsa_tgts = osts;
2740 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2742 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2743 progname, template);
2746 rc = build_component(layout, lsa, *layout != NULL);
2748 /* clean clean lsa */
2749 setstripe_args_init(lsa);
2753 cYAML_free_tree(tree);
2758 * Get the extension size from the next (SEL) component and extend the
2759 * current component on it. The start of the next component is to be
2762 * \param[in] layout the current layout
2763 * \param[in] start the start of the current component
2764 * \param[in,out] end the end of the current component
2765 * \param[in] offset the offset to adjust the end position to instead of
2768 * \retval 0 - extended successfully
2769 * \retval < 0 - error
2771 static int layout_extend_comp(struct llapi_layout *layout,
2772 uint64_t start, uint64_t *end,
2775 uint64_t size, next_start, next_end;
2778 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
2780 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2781 "%s\n", progname, strerror(errno));
2785 /* Even if the @size will not be used below, this will fail if
2786 * this is not a SEL component - a good confirmation we are
2787 * working on right components. */
2788 rc = llapi_layout_extension_size_get(layout, &size);
2790 fprintf(stderr, "%s setstripe: cannot get component ext size: "
2791 "%s\n", progname, strerror(errno));
2795 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
2797 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2798 progname, strerror(errno));
2802 next_start += offset ?: size;
2803 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
2805 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2806 progname, strerror(errno));
2810 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
2812 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2813 "%s\n", progname, strerror(errno));
2817 *end += offset ?: size;
2818 rc = llapi_layout_comp_extent_set(layout, start, *end);
2820 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2821 progname, strerror(errno));
2829 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
2830 * end of the last component in the existing file, and adjust the
2831 * first extent start of the components to be added accordingly.
2833 * In the create mode, we need to check if the first component is an extendable
2834 * SEL component and extend its length to the extension size (first component
2835 * of the PFL file is initialised at the create time, cannot be 0-lenght.
2837 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
2840 struct llapi_layout *head;
2841 uint64_t start = 0, prev_end = 0;
2850 head = llapi_layout_get_by_path(fname, 0);
2853 "%s setstripe: cannot read layout from '%s': "
2854 "%s\n", progname, fname, strerror(errno));
2856 } else if (errno == ENODATA) {
2857 /* file without LOVEA, this component-add will be turned
2858 * into a component-create. */
2859 llapi_layout_free(head);
2862 /* the new layout will be added to an empty one, it
2863 * still needs to be adjusted below */
2866 } else if (!llapi_layout_is_composite(head)) {
2867 fprintf(stderr, "%s setstripe: '%s' not a composite "
2868 "file\n", progname, fname);
2869 llapi_layout_free(head);
2873 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2875 fprintf(stderr, "%s setstripe: cannot get prev "
2876 "extent: %s\n", progname, strerror(errno));
2877 llapi_layout_free(head);
2881 llapi_layout_free(head);
2885 /* Make sure we use the first component of the layout to be added. */
2886 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2889 "%s setstripe: cannot move component cursor: %s\n",
2890 progname, strerror(errno));
2894 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2896 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2897 progname, strerror(errno));
2901 if (start == 0 && end == 0) {
2902 rc = layout_extend_comp(layout, start, &end,
2903 comp_add ? prev_end : 0);
2908 if (start > prev_end || end < prev_end) {
2909 fprintf(stderr, "%s setstripe: first extent [%lu, %lu) not "
2910 "adjacent with extent end %lu\n",
2911 progname, start, end, prev_end);
2915 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2917 fprintf(stderr, "%s setstripe: cannot set component extent "
2919 progname, prev_end, end, strerror(errno));
2926 static int mirror_adjust_first_extents(struct mirror_args *list)
2933 while (list != NULL) {
2934 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
2937 list = list->m_next;
2943 static inline bool arg_is_eof(char *arg)
2945 return !strncmp(arg, "-1", strlen("-1")) ||
2946 !strncmp(arg, "EOF", strlen("EOF")) ||
2947 !strncmp(arg, "eof", strlen("eof"));
2951 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2953 * Return: Valid mirror_args pointer on success and
2954 * NULL if memory allocation fails.
2956 static struct mirror_args *lfs_mirror_alloc(void)
2958 struct mirror_args *mirror = NULL;
2961 mirror = calloc(1, sizeof(*mirror));
2962 if (mirror != NULL) {
2963 mirror->m_inherit = false;
2974 * lfs_mirror_free() - Free memory allocated for a mirror argument
2976 * @mirror: Previously allocated mirror argument structure by
2977 * lfs_mirror_alloc().
2979 * Free memory allocated for @mirror.
2983 static void lfs_mirror_free(struct mirror_args *mirror)
2985 if (mirror->m_layout != NULL)
2986 llapi_layout_free(mirror->m_layout);
2991 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2992 * @mirror_list: Previously allocated mirror list.
2994 * Free memory allocated for @mirror_list.
2998 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
3000 struct mirror_args *next_mirror = NULL;
3002 while (mirror_list != NULL) {
3003 next_mirror = mirror_list->m_next;
3004 lfs_mirror_free(mirror_list);
3005 mirror_list = next_mirror;
3017 LFS_COMP_NO_VERIFY_OPT,
3019 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
3021 LFS_MIRROR_STATE_OPT,
3023 LFS_MIRROR_INDEX_OPT,
3024 LFS_LAYOUT_FOREIGN_OPT,
3030 static int lfs_setstripe_internal(int argc, char **argv,
3031 enum setstripe_origin opc)
3033 struct lfs_setstripe_args lsa = { 0 };
3034 struct llapi_stripe_param *param = NULL;
3035 struct find_param migrate_mdt_param = {
3045 unsigned long long size_units = 1;
3046 bool migrate_mode = false;
3047 bool migrate_mdt_mode = false;
3048 bool setstripe_mode = false;
3049 bool migration_block = false;
3050 __u64 migration_flags = 0;
3051 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
3052 int comp_del = 0, comp_set = 0;
3055 struct llapi_layout *layout = NULL;
3056 struct llapi_layout **lpp = &layout;
3057 bool mirror_mode = false;
3058 bool has_m_file = false;
3059 __u32 mirror_count = 0;
3060 enum mirror_flags mirror_flags = 0;
3061 struct mirror_args *mirror_list = NULL;
3062 struct mirror_args *new_mirror = NULL;
3063 struct mirror_args *last_mirror = NULL;
3064 __u16 mirror_id = 0;
3066 bool from_yaml = false;
3067 bool from_copy = false;
3068 char *template = NULL;
3069 bool foreign_mode = false;
3071 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
3072 char *mode_opt = NULL;
3073 mode_t previous_umask = 0;
3074 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
3076 struct option long_opts[] = {
3077 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
3078 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3079 /* --block is only valid in migrate mode */
3080 { .val = 'b', .name = "block", .has_arg = no_argument },
3081 /* find { .val = 'B', .name = "btime", .has_arg = required_argument }*/
3082 { .val = LFS_COMP_ADD_OPT,
3083 .name = "comp-add", .has_arg = no_argument },
3084 { .val = LFS_COMP_ADD_OPT,
3085 .name = "component-add", .has_arg = no_argument },
3086 { .val = LFS_COMP_DEL_OPT,
3087 .name = "comp-del", .has_arg = no_argument },
3088 { .val = LFS_COMP_DEL_OPT,
3089 .name = "component-del", .has_arg = no_argument },
3090 { .val = LFS_COMP_FLAGS_OPT,
3091 .name = "comp-flags", .has_arg = required_argument },
3092 { .val = LFS_COMP_FLAGS_OPT,
3093 .name = "component-flags",
3094 .has_arg = required_argument },
3095 { .val = LFS_COMP_SET_OPT,
3096 .name = "comp-set", .has_arg = no_argument },
3097 { .val = LFS_COMP_SET_OPT,
3098 .name = "component-set",
3099 .has_arg = no_argument},
3100 { .val = LFS_COMP_NO_VERIFY_OPT,
3101 .name = "no-verify", .has_arg = no_argument},
3102 { .val = LFS_LAYOUT_FLAGS_OPT,
3103 .name = "flags", .has_arg = required_argument},
3104 { .val = LFS_LAYOUT_FOREIGN_OPT,
3105 .name = "foreign", .has_arg = optional_argument},
3106 { .val = LFS_MIRROR_ID_OPT,
3107 .name = "mirror-id", .has_arg = required_argument},
3108 { .val = LFS_MODE_OPT,
3109 .name = "mode", .has_arg = required_argument},
3110 { .val = LFS_LAYOUT_COPY,
3111 .name = "copy", .has_arg = required_argument},
3112 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
3113 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
3114 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
3115 { .val = 'C', .name = "overstripe-count",
3116 .has_arg = required_argument},
3117 { .val = 'd', .name = "delete", .has_arg = no_argument},
3118 { .val = 'd', .name = "destroy", .has_arg = no_argument},
3119 /* --non-direct is only valid in migrate mode */
3120 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
3121 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
3122 { .val = 'E', .name = "component-end",
3123 .has_arg = required_argument},
3124 { .val = 'f', .name = "file", .has_arg = required_argument },
3125 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3126 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
3127 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3128 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
3129 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
3130 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
3131 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
3132 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
3133 { .val = 'I', .name = "component-id", .has_arg = required_argument},
3134 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
3135 { .val = 'L', .name = "layout", .has_arg = required_argument },
3136 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3137 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3138 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3139 /* --non-block is only valid in migrate mode */
3140 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3141 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3142 { .val = 'o', .name = "ost", .has_arg = required_argument },
3143 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3144 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3145 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3147 { .val = 'p', .name = "pool", .has_arg = required_argument },
3148 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3149 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3150 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3151 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3152 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3153 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3154 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3155 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3156 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3157 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3158 /* --verbose is only valid in migrate mode */
3159 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3160 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3161 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3162 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3163 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3166 setstripe_args_init(&lsa);
3168 migrate_mode = (opc == SO_MIGRATE);
3169 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3170 setstripe_mode = (opc == SO_SETSTRIPE);
3171 if (opc == SO_MIRROR_DELETE) {
3173 mirror_flags = MF_DESTROY;
3176 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3178 while ((c = getopt_long(argc, argv,
3179 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3180 long_opts, NULL)) >= 0) {
3186 case LFS_COMP_ADD_OPT:
3189 case LFS_COMP_DEL_OPT:
3192 case LFS_COMP_FLAGS_OPT:
3193 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3194 &lsa.lsa_comp_neg_flags);
3197 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3198 fprintf(stderr, "%s: inverted flags are not supported\n",
3203 case LFS_COMP_SET_OPT:
3206 case LFS_COMP_NO_VERIFY_OPT:
3207 mirror_flags |= MF_NO_VERIFY;
3209 case LFS_MIRROR_ID_OPT:
3210 mirror_id = strtoul(optarg, &end, 0);
3211 if (*end != '\0' || mirror_id == 0) {
3213 "%s %s: invalid mirror ID '%s'\n",
3214 progname, argv[0], optarg);
3218 case LFS_LAYOUT_FLAGS_OPT: {
3221 /* check for numeric flags (foreign and mirror cases) */
3222 if (setstripe_mode && !mirror_mode && !last_mirror) {
3223 flags = strtoul(optarg, &end, 16);
3226 "%s %s: bad flags '%s'\n",
3227 progname, argv[0], optarg);
3233 if (!mirror_mode || !last_mirror) {
3234 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
3239 result = comp_str2flags(optarg, &last_mirror->m_flags,
3245 fprintf(stderr, "%s: inverted flags are not supported\n",
3250 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3252 "%s: unsupported mirror flags: %s\n",
3259 case LFS_LAYOUT_FOREIGN_OPT:
3260 if (optarg != NULL) {
3261 /* check pure numeric */
3262 type = strtoul(optarg, &end, 0);
3265 type = check_foreign_type_name(optarg);
3266 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3268 "%s %s: unrecognized foreign type '%s'\n",
3275 foreign_mode = true;
3279 if (mode_opt != NULL) {
3280 mode = strtoul(mode_opt, &end, 8);
3283 "%s %s: bad mode '%s'\n",
3284 progname, argv[0], mode_opt);
3287 previous_umask = umask(0);
3290 case LFS_LAYOUT_COPY:
3295 if (!migrate_mode) {
3297 "%s %s: -b|--block valid only for migrate command\n",
3301 migration_block = true;
3304 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3306 "%s %s: -C|--overstripe-count incompatible with DoM layout\n",
3310 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3313 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3316 "%s %s: invalid stripe count '%s'\n",
3317 progname, argv[0], optarg);
3321 if (lsa.lsa_stripe_count == -1)
3322 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3325 /* delete the default striping pattern */
3327 if (opc == SO_MIRROR_SPLIT) {
3330 "%s %s: -d cannot used with -f\n",
3334 mirror_flags |= MF_DESTROY;
3338 if (!migrate_mode) {
3340 "%s %s: -D|--non-direct is valid "
3341 "only for migrate command\n",
3345 migration_flags |= MIGRATION_NONDIRECT;
3348 if (lsa.lsa_comp_end != 0) {
3349 result = comp_args_to_layout(lpp, &lsa, true);
3351 fprintf(stderr, "%s: invalid layout\n",
3356 setstripe_args_init_inherit(&lsa);
3359 if (arg_is_eof(optarg)) {
3360 lsa.lsa_comp_end = LUSTRE_EOF;
3362 result = llapi_parse_size(optarg,
3367 "%s %s: invalid component end '%s'\n",
3368 progname, argv[0], optarg);
3374 if (!migrate_mode) {
3375 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3379 lsa.lsa_pattern = check_hashtype(optarg);
3380 if (lsa.lsa_pattern == 0) {
3382 "%s %s: bad stripe hash type '%s'\n",
3383 progname, argv[0], optarg);
3388 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3391 "%s %s: invalid stripe offset '%s'\n",
3392 progname, argv[0], optarg);
3395 if (lsa.lsa_stripe_off == -1)
3396 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3399 comp_id = strtoul(optarg, &end, 0);
3400 if (*end != '\0' || comp_id == 0 ||
3401 comp_id > LCME_ID_MAX) {
3403 "%s %s: invalid component ID '%s'\n",
3404 progname, argv[0], optarg);
3409 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3411 "error: %s: invalid option: %s\n",
3412 progname, argv[optopt + 1]);
3415 if (opc == SO_MIRROR_EXTEND) {
3416 if (last_mirror == NULL) {
3418 "error: %s: '-N' must exist in front of '%s'\n",
3419 progname, argv[optopt + 1]);
3422 last_mirror->m_file = optarg;
3423 last_mirror->m_count = 1;
3426 if (mirror_list == NULL)
3427 mirror_list = lfs_mirror_alloc();
3428 mirror_list->m_file = optarg;
3433 if (strcmp(argv[optind - 1], "mdt") == 0) {
3434 /* Can be only the first component */
3435 if (layout != NULL) {
3437 fprintf(stderr, "error: 'mdt' layout "
3438 "can be only the first one\n");
3441 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3443 fprintf(stderr, "error: 'mdt' layout "
3444 "size is too big\n");
3447 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3448 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3450 fprintf(stderr, "error: layout '%s' is "
3451 "unknown, supported layouts are: "
3452 "'mdt', 'raid0'\n", argv[optind]);
3457 if (!migrate_mode) {
3459 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3463 migrate_mdt_mode = true;
3464 lsa.lsa_nr_tgts = parse_targets(tgts,
3465 sizeof(tgts) / sizeof(__u32),
3466 lsa.lsa_nr_tgts, optarg, NULL);
3467 if (lsa.lsa_nr_tgts < 0) {
3469 "%s %s: invalid MDT target(s) '%s'\n",
3470 progname, argv[0], optarg);
3474 lsa.lsa_tgts = tgts;
3475 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3476 lsa.lsa_stripe_off = tgts[0];
3479 if (!migrate_mode) {
3481 "%s %s: -n|--non-block valid only for migrate command\n",
3485 migration_flags |= MIGRATION_NONBLOCK;
3488 if (opc == SO_SETSTRIPE) {
3489 opc = SO_MIRROR_CREATE;
3493 if (optarg != NULL) {
3494 mirror_count = strtoul(optarg, &end, 0);
3495 if (*end != '\0' || mirror_count == 0) {
3497 "error: %s: bad mirror count: %s\n",
3504 new_mirror = lfs_mirror_alloc();
3505 new_mirror->m_count = mirror_count;
3507 if (mirror_list == NULL)
3508 mirror_list = new_mirror;
3510 if (last_mirror != NULL) {
3511 /* wrap up last mirror */
3512 if (!setstripe_args_specified(&lsa))
3513 last_mirror->m_inherit = true;
3514 if (lsa.lsa_comp_end == 0)
3515 lsa.lsa_comp_end = LUSTRE_EOF;
3517 result = comp_args_to_layout(lpp, &lsa, true);
3519 lfs_mirror_free(new_mirror);
3523 setstripe_args_init_inherit(&lsa);
3525 last_mirror->m_next = new_mirror;
3528 last_mirror = new_mirror;
3529 lpp = &last_mirror->m_layout;
3532 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3533 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3534 fprintf(stderr, "warning: '--ost-list' is "
3535 "deprecated, use '--ost' instead\n");
3537 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3539 "%s %s: -o|--ost incompatible with DoM layout\n",
3543 /* -o allows overstriping, and must note it because
3544 * parse_targets is shared with MDT striping, which
3545 * does not allow duplicates
3547 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3548 lsa.lsa_nr_tgts = parse_targets(tgts,
3549 sizeof(tgts) / sizeof(__u32),
3550 lsa.lsa_nr_tgts, optarg,
3552 if (lsa.lsa_nr_tgts < 0) {
3554 "%s %s: invalid OST target(s) '%s'\n",
3555 progname, argv[0], optarg);
3559 lsa.lsa_tgts = tgts;
3560 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3561 lsa.lsa_stripe_off = tgts[0];
3566 lsa.lsa_pool_name = optarg;
3568 if (strlen(lsa.lsa_pool_name) == 0 ||
3569 strncmp(lsa.lsa_pool_name, "none",
3570 LOV_MAXPOOLNAME) == 0)
3571 lsa.lsa_pool_name = NULL;
3574 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3578 "%s %s: invalid stripe size '%s'\n",
3579 progname, argv[0], optarg);
3584 if (!migrate_mode) {
3586 "%s %s: -v|--verbose valid only for migrate command\n",
3590 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3591 migration_flags = MIGRATION_VERBOSE;
3601 result = llapi_parse_size(optarg,
3602 &lsa.lsa_extension_size,
3606 "%s %s: invalid extension size '%s'\n",
3607 progname, argv[0], optarg);
3611 lsa.lsa_extension_comp = true;
3614 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3615 progname, argv[0], argv[optind - 1]);
3620 fname = argv[optind];
3622 if (optind == argc) {
3623 fprintf(stderr, "%s %s: FILE must be specified\n",
3628 /* lfs migrate $filename should keep the file's layout by default */
3629 if (migrate_mode && !setstripe_args_specified(&lsa) && !layout &&
3633 if (xattr && !foreign_mode) {
3634 /* only print a warning as this is harmless and will be ignored
3637 "%s %s: xattr has been specified for non-foreign layout\n",
3639 } else if (foreign_mode && !xattr) {
3641 "%s %s: xattr must be provided in foreign mode\n",
3646 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3647 comp_set || comp_id || delete || from_copy ||
3648 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3651 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3656 if (mirror_mode && mirror_count == 0) {
3658 "error: %s: --mirror-count|-N option is required\n",
3665 if (!setstripe_args_specified(&lsa))
3666 last_mirror->m_inherit = true;
3667 if (lsa.lsa_comp_end == 0)
3668 lsa.lsa_comp_end = LUSTRE_EOF;
3671 if (lsa.lsa_comp_end != 0) {
3672 result = comp_args_to_layout(lpp, &lsa, true);
3674 fprintf(stderr, "error: %s: invalid layout\n",
3681 if (mirror_flags & MF_NO_VERIFY) {
3682 if (opc != SO_MIRROR_EXTEND) {
3684 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3688 } else if (!has_m_file) {
3690 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3697 if (comp_set && !comp_id) {
3698 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3703 if ((delete + comp_set + comp_del + comp_add) > 1) {
3705 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3710 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3711 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3713 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3718 if ((comp_set || comp_del) &&
3719 (setstripe_args_specified(&lsa) || layout != NULL)) {
3721 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3726 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3728 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3733 if (comp_add || comp_del) {
3736 result = lstat(fname, &st);
3737 if (result == 0 && S_ISDIR(st.st_mode)) {
3739 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3745 fprintf(stderr, "error: %s: can't use --component-add "
3746 "or --component-del for mirror operation\n",
3753 if (layout == NULL) {
3755 "%s %s: option -E must be specified with --component-add\n",
3761 if (layout != NULL || mirror_list != NULL) {
3763 result = mirror_adjust_first_extents(mirror_list);
3765 result = layout_adjust_first_extent(fname, layout,
3767 if (result == -ENODATA)
3769 else if (result != 0) {
3770 fprintf(stderr, "error: %s: invalid layout\n",
3776 if (from_yaml && from_copy) {
3778 "%s: can't specify --yaml and --copy together\n",
3783 if ((from_yaml || from_copy) &&
3784 (setstripe_args_specified(&lsa) || layout != NULL)) {
3785 fprintf(stderr, "error: %s: can't specify --yaml or --copy with"
3786 " -c, -S, -i, -o, -p or -E options.\n",
3791 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3793 "%s %s: options --non-block and --block are mutually exclusive\n",
3798 if (!comp_del && !comp_set && opc != SO_MIRROR_SPLIT &&
3799 opc != SO_MIRROR_DELETE && comp_id != 0) {
3801 "%s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3806 if (migrate_mdt_mode) {
3807 struct lmv_user_md *lmu;
3809 /* initialize migrate mdt parameters */
3810 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3811 LMV_USER_MAGIC_SPECIFIC));
3814 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3815 progname, argv[0], strerror(ENOMEM));
3819 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3820 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3821 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3823 "%s %s: migrate should specify MDT index\n",
3828 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3829 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3830 lmu->lum_hash_type = lsa.lsa_pattern;
3832 lmu->lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
3833 if (lsa.lsa_pool_name) {
3834 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3835 sizeof(lmu->lum_pool_name) - 1);
3836 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3838 if (lsa.lsa_nr_tgts > 1) {
3841 if (lsa.lsa_stripe_count > 0 &&
3842 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3843 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3845 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3846 progname, lsa.lsa_stripe_count,
3852 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3853 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3854 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3855 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3857 lmu->lum_magic = LMV_USER_MAGIC;
3860 migrate_mdt_param.fp_lmv_md = lmu;
3861 migrate_mdt_param.fp_migrate = 1;
3862 } else if (layout == NULL) {
3863 /* initialize stripe parameters */
3864 param = calloc(1, offsetof(typeof(*param),
3865 lsp_osts[lsa.lsa_nr_tgts]));
3866 if (param == NULL) {
3868 "%s %s: cannot allocate memory for parameters: %s\n",
3869 progname, argv[0], strerror(ENOMEM));
3874 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3875 param->lsp_stripe_size = lsa.lsa_stripe_size;
3876 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3877 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3878 param->lsp_stripe_count = -1;
3880 param->lsp_stripe_count = lsa.lsa_stripe_count;
3882 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3883 param->lsp_stripe_offset = -1;
3885 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3886 param->lsp_stripe_pattern =
3887 llapi_pattern_to_lov(lsa.lsa_pattern);
3888 if (param->lsp_stripe_pattern == EINVAL) {
3889 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3894 param->lsp_pool = lsa.lsa_pool_name;
3895 param->lsp_is_specific = false;
3896 if (lsa.lsa_nr_tgts > 0) {
3897 if (lsa.lsa_stripe_count > 0 &&
3898 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3899 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3900 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3902 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3903 argv[0], lsa.lsa_stripe_count,
3909 param->lsp_is_specific = true;
3910 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3911 memcpy(param->lsp_osts, tgts,
3912 sizeof(*tgts) * lsa.lsa_nr_tgts);
3917 /* generate a layout from a YAML template */
3918 result = lfs_comp_create_from_yaml(template, &layout,
3921 fprintf(stderr, "error: %s: can't create composite "
3922 "layout from template file %s\n",
3928 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3930 layout = llapi_layout_get_by_path(template ?: fname, 0);
3931 if (layout == NULL) {
3932 fprintf(stderr, "%s: can't create composite "
3933 "layout from file %s.\n",
3934 progname, template ?: fname);
3939 if (migrate_mdt_mode) {
3940 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3941 } else if (migrate_mode) {
3942 result = lfs_migrate(fname, migration_flags, param,
3944 } else if (comp_set != 0) {
3945 result = lfs_component_set(fname, comp_id,
3947 lsa.lsa_comp_neg_flags);
3948 } else if (comp_del != 0) {
3949 result = lfs_component_del(fname, comp_id,
3951 lsa.lsa_comp_neg_flags);
3952 } else if (comp_add != 0) {
3953 result = lfs_component_add(fname, layout);
3954 } else if (opc == SO_MIRROR_CREATE) {
3955 result = mirror_create(fname, mirror_list);
3956 } else if (opc == SO_MIRROR_EXTEND) {
3957 result = mirror_extend(fname, mirror_list,
3959 } else if (opc == SO_MIRROR_SPLIT || opc == SO_MIRROR_DELETE) {
3960 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
3962 "%s: no mirror specified to delete from '%s'\n",
3966 if (lsa.lsa_pool_name)
3967 mirror_flags |= MF_COMP_POOL;
3968 else if (mirror_id != 0)
3969 comp_id = mirror_id;
3971 mirror_flags |= MF_COMP_ID;
3972 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
3974 has_m_file ? mirror_list->m_file :
3976 } else if (layout != NULL) {
3977 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3983 } else if (foreign_mode) {
3984 result = llapi_file_create_foreign(fname, mode, type,
3991 result = llapi_file_open_param(fname,
4000 /* Save the first error encountered. */
4007 if (mode_opt != NULL)
4008 umask(previous_umask);
4011 free(migrate_mdt_param.fp_lmv_md);
4012 llapi_layout_free(layout);
4013 lfs_mirror_list_free(mirror_list);
4018 llapi_layout_free(layout);
4019 lfs_mirror_list_free(mirror_list);
4023 static int lfs_poollist(int argc, char **argv)
4028 return llapi_poollist(argv[1]);
4031 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
4036 char *endptr = "AD";
4041 else if (str[0] == '-')
4047 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
4048 long long val = strtoll(timebuf, &endptr, 0);
4053 unit *= 52; /* 52 weeks + 1 day below */
4054 case 'w': /* fallthrough */
4056 case '\0': /* days are default unit if none used */
4057 case 'd': /* fallthrough */
4058 unit = (unit + (*endptr == 'y')) * 24;
4059 case 'h': /* fallthrough */
4061 case 'm': /* fallthrough */
4063 case 's': /* fallthrough */
4065 /* don't need to multiply by 1 for seconds */
4068 "%s find: bad time string '%s': %s\n",
4069 progname, timebuf, strerror(EINVAL));
4073 if (param->fp_time_margin == 0 ||
4074 (*endptr && unit < param->fp_time_margin))
4075 param->fp_time_margin = unit;
4082 fprintf(stderr, "%s find: bad time '%s': too large\n",
4092 static int name2uid(unsigned int *id, const char *name)
4094 struct passwd *passwd;
4096 passwd = getpwnam(name);
4099 *id = passwd->pw_uid;
4104 static int name2gid(unsigned int *id, const char *name)
4106 struct group *group;
4108 group = getgrnam(name);
4111 *id = group->gr_gid;
4116 static inline int name2projid(unsigned int *id, const char *name)
4121 static int uid2name(char **name, unsigned int id)
4123 struct passwd *passwd;
4125 passwd = getpwuid(id);
4128 *name = passwd->pw_name;
4133 static inline int gid2name(char **name, unsigned int id)
4135 struct group *group;
4137 group = getgrgid(id);
4140 *name = group->gr_name;
4145 static int name2layout(__u32 *layout, char *name)
4147 char *ptr, *layout_name;
4150 for (ptr = name; ; ptr = NULL) {
4151 layout_name = strtok(ptr, ",");
4152 if (layout_name == NULL)
4154 if (strcmp(layout_name, "released") == 0)
4155 *layout |= LOV_PATTERN_F_RELEASED;
4156 else if (strcmp(layout_name, "raid0") == 0)
4157 *layout |= LOV_PATTERN_RAID0;
4158 else if (strcmp(layout_name, "mdt") == 0)
4159 *layout |= LOV_PATTERN_MDT;
4160 else if (strcmp(layout_name, "overstriping") == 0)
4161 *layout |= LOV_PATTERN_OVERSTRIPING;
4168 static int lfs_find(int argc, char **argv)
4173 struct find_param param = {
4176 .fp_time_margin = 24 * 60 * 60,
4178 struct option long_opts[] = {
4179 { .val = 'A', .name = "atime", .has_arg = required_argument },
4180 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4181 { .val = 'B', .name = "btime", .has_arg = required_argument },
4182 { .val = 'B', .name = "Btime", .has_arg = required_argument },
4183 { .val = LFS_COMP_COUNT_OPT,
4184 .name = "comp-count", .has_arg = required_argument },
4185 { .val = LFS_COMP_COUNT_OPT,
4186 .name = "component-count",
4187 .has_arg = required_argument },
4188 { .val = LFS_COMP_FLAGS_OPT,
4189 .name = "comp-flags", .has_arg = required_argument },
4190 { .val = LFS_COMP_FLAGS_OPT,
4191 .name = "component-flags",
4192 .has_arg = required_argument },
4193 { .val = LFS_COMP_START_OPT,
4194 .name = "comp-start", .has_arg = required_argument },
4195 { .val = LFS_COMP_START_OPT,
4196 .name = "component-start",
4197 .has_arg = required_argument },
4198 { .val = LFS_MIRROR_STATE_OPT,
4199 .name = "mirror-state", .has_arg = required_argument },
4200 { .val = LFS_LAYOUT_FOREIGN_OPT,
4201 .name = "foreign", .has_arg = optional_argument},
4202 { .val = LFS_NEWERXY_OPT,
4203 .name = "newer", .has_arg = required_argument},
4204 { .val = LFS_NEWERXY_OPT,
4205 .name = "neweraa", .has_arg = required_argument},
4206 { .val = LFS_NEWERXY_OPT,
4207 .name = "neweram", .has_arg = required_argument},
4208 { .val = LFS_NEWERXY_OPT,
4209 .name = "newerac", .has_arg = required_argument},
4210 { .val = LFS_NEWERXY_OPT,
4211 .name = "newerab", .has_arg = required_argument},
4212 { .val = LFS_NEWERXY_OPT,
4213 .name = "newerma", .has_arg = required_argument},
4214 { .val = LFS_NEWERXY_OPT,
4215 .name = "newermm", .has_arg = required_argument},
4216 { .val = LFS_NEWERXY_OPT,
4217 .name = "newermc", .has_arg = required_argument},
4218 { .val = LFS_NEWERXY_OPT,
4219 .name = "newermb", .has_arg = required_argument},
4220 { .val = LFS_NEWERXY_OPT,
4221 .name = "newerca", .has_arg = required_argument},
4222 { .val = LFS_NEWERXY_OPT,
4223 .name = "newercm", .has_arg = required_argument},
4224 { .val = LFS_NEWERXY_OPT,
4225 .name = "newercc", .has_arg = required_argument},
4226 { .val = LFS_NEWERXY_OPT,
4227 .name = "newercb", .has_arg = required_argument},
4228 { .val = LFS_NEWERXY_OPT,
4229 .name = "newerba", .has_arg = required_argument},
4230 { .val = LFS_NEWERXY_OPT,
4231 .name = "newerbm", .has_arg = required_argument},
4232 { .val = LFS_NEWERXY_OPT,
4233 .name = "newerbc", .has_arg = required_argument},
4234 { .val = LFS_NEWERXY_OPT,
4235 .name = "newerbb", .has_arg = required_argument},
4236 { .val = LFS_NEWERXY_OPT,
4237 .name = "newerBa", .has_arg = required_argument},
4238 { .val = LFS_NEWERXY_OPT,
4239 .name = "newerBm", .has_arg = required_argument},
4240 { .val = LFS_NEWERXY_OPT,
4241 .name = "newerBc", .has_arg = required_argument},
4242 { .val = LFS_NEWERXY_OPT,
4243 .name = "newerBB", .has_arg = required_argument},
4244 { .val = LFS_NEWERXY_OPT,
4245 .name = "newerat", .has_arg = required_argument},
4246 { .val = LFS_NEWERXY_OPT,
4247 .name = "newermt", .has_arg = required_argument},
4248 { .val = LFS_NEWERXY_OPT,
4249 .name = "newerct", .has_arg = required_argument},
4250 { .val = LFS_NEWERXY_OPT,
4251 .name = "newerbt", .has_arg = required_argument},
4252 { .val = LFS_NEWERXY_OPT,
4253 .name = "newerBt", .has_arg = required_argument},
4254 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4255 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4256 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4257 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4258 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4259 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4260 { .val = 'E', .name = "component-end",
4261 .has_arg = required_argument },
4262 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4263 { .val = LFS_LAYOUT_FOREIGN_OPT,
4264 .name = "foreign", .has_arg = optional_argument},
4265 { .val = 'g', .name = "gid", .has_arg = required_argument },
4266 { .val = 'G', .name = "group", .has_arg = required_argument },
4267 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4268 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4269 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4270 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4271 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4272 { .val = 'L', .name = "layout", .has_arg = required_argument },
4273 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4274 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4275 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4276 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4277 { .val = 'n', .name = "name", .has_arg = required_argument },
4278 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4279 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4280 { .val = 'O', .name = "obd", .has_arg = required_argument },
4281 { .val = 'O', .name = "ost", .has_arg = required_argument },
4282 /* no short option for pool yet, can be 'p' after 2.18 */
4283 { .val = LFS_POOL_OPT,
4284 .name = "pool", .has_arg = required_argument },
4285 { .val = '0', .name = "print0", .has_arg = no_argument },
4286 { .val = 'P', .name = "print", .has_arg = no_argument },
4287 { .val = LFS_PROJID_OPT,
4288 .name = "projid", .has_arg = required_argument },
4289 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4290 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4291 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4292 { .val = 's', .name = "size", .has_arg = required_argument },
4293 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4294 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4295 { .val = 't', .name = "type", .has_arg = required_argument },
4296 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4297 { .val = 'u', .name = "uid", .has_arg = required_argument },
4298 { .val = 'U', .name = "user", .has_arg = required_argument },
4299 { .val = 'z', .name = "extension-size",
4300 .has_arg = required_argument },
4301 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4302 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4303 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4317 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4318 while ((c = getopt_long_only(argc, argv,
4319 "-0A:b:B:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4320 long_opts, &optidx)) >= 0) {
4325 /* '!' is part of option */
4326 /* when getopt_long_only() finds a string which is not
4327 * an option nor a known option argument it returns 1
4328 * in that case if we already have found pathstart and pathend
4329 * (i.e. we have the list of pathnames),
4330 * the only supported value is "!"
4332 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4333 if (!isoption && pathend != -1) {
4334 fprintf(stderr, "err: %s: filename|dirname must either "
4335 "precede options or follow options\n",
4340 if (!isoption && pathstart == -1)
4341 pathstart = optind - 1;
4342 if (isoption && pathstart != -1 && pathend == -1)
4343 pathend = optind - 2;
4349 /* unknown; opt is "!" or path component,
4350 * checking done above.
4352 if (strcmp(optarg, "!") == 0)
4356 xtime = ¶m.fp_atime;
4357 xsign = ¶m.fp_asign;
4358 param.fp_exclude_atime = !!neg_opt;
4359 /* no break, this falls through to 'B' for btime */
4362 xtime = ¶m.fp_btime;
4363 xsign = ¶m.fp_bsign;
4364 param.fp_exclude_btime = !!neg_opt;
4366 /* no break, this falls through to 'C' for ctime */
4369 xtime = ¶m.fp_ctime;
4370 xsign = ¶m.fp_csign;
4371 param.fp_exclude_ctime = !!neg_opt;
4373 /* no break, this falls through to 'M' for mtime */
4376 xtime = ¶m.fp_mtime;
4377 xsign = ¶m.fp_msign;
4378 param.fp_exclude_mtime = !!neg_opt;
4380 rc = set_time(¶m, &t, xtime, optarg);
4381 if (rc == LONG_MAX) {
4389 if (optarg[0] == '+') {
4390 param.fp_blocks_sign = -1;
4392 } else if (optarg[0] == '-') {
4393 param.fp_blocks_sign = 1;
4397 param.fp_blocks_units = 1024;
4398 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4399 ¶m.fp_blocks_units, 0);
4401 fprintf(stderr, "error: bad blocks '%s'\n",
4405 param.fp_check_blocks = 1;
4406 param.fp_exclude_blocks = !!neg_opt;
4408 case LFS_COMP_COUNT_OPT:
4409 if (optarg[0] == '+') {
4410 param.fp_comp_count_sign = -1;
4412 } else if (optarg[0] == '-') {
4413 param.fp_comp_count_sign = 1;
4417 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4418 if (*endptr != '\0') {
4419 fprintf(stderr, "error: bad component count "
4423 param.fp_check_comp_count = 1;
4424 param.fp_exclude_comp_count = !!neg_opt;
4426 case LFS_COMP_FLAGS_OPT:
4427 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4428 ¶m.fp_comp_neg_flags);
4430 fprintf(stderr, "error: bad component flags "
4434 param.fp_check_comp_flags = 1;
4436 __u32 flags = param.fp_comp_neg_flags;
4437 param.fp_comp_neg_flags = param.fp_comp_flags;
4438 param.fp_comp_flags = flags;
4441 case LFS_COMP_START_OPT:
4442 if (optarg[0] == '+') {
4443 param.fp_comp_start_sign = -1;
4445 } else if (optarg[0] == '-') {
4446 param.fp_comp_start_sign = 1;
4450 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4451 ¶m.fp_comp_start_units, 0);
4453 fprintf(stderr, "error: bad component start "
4457 param.fp_check_comp_start = 1;
4458 param.fp_exclude_comp_start = !!neg_opt;
4460 case LFS_MIRROR_STATE_OPT:
4461 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4462 ¶m.fp_mirror_neg_state);
4465 "error: bad mirrored file state '%s'\n",
4469 param.fp_check_mirror_state = 1;
4471 __u16 state = param.fp_mirror_neg_state;
4472 param.fp_mirror_neg_state =
4473 param.fp_mirror_state;
4474 param.fp_mirror_state = state;
4478 if (optarg[0] == '+') {
4479 param.fp_stripe_count_sign = -1;
4481 } else if (optarg[0] == '-') {
4482 param.fp_stripe_count_sign = 1;
4486 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4487 if (*endptr != '\0') {
4488 fprintf(stderr,"error: bad stripe_count '%s'\n",
4493 param.fp_check_stripe_count = 1;
4494 param.fp_exclude_stripe_count = !!neg_opt;
4497 param.fp_max_depth = strtol(optarg, 0, 0);
4500 if (optarg[0] == '+') {
4501 param.fp_comp_end_sign = -1;
4503 } else if (optarg[0] == '-') {
4504 param.fp_comp_end_sign = 1;
4508 if (arg_is_eof(optarg)) {
4509 param.fp_comp_end = LUSTRE_EOF;
4510 param.fp_comp_end_units = 1;
4513 rc = llapi_parse_size(optarg,
4515 ¶m.fp_comp_end_units, 0);
4518 fprintf(stderr, "error: bad component end "
4522 param.fp_check_comp_end = 1;
4523 param.fp_exclude_comp_end = !!neg_opt;
4525 case LFS_LAYOUT_FOREIGN_OPT: {
4526 /* all types by default */
4527 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4529 if (optarg != NULL) {
4530 /* check pure numeric */
4531 type = strtoul(optarg, &endptr, 0);
4534 type = check_foreign_type_name(optarg);
4535 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4537 "%s %s: unknown foreign type '%s'\n",
4544 param.fp_foreign_type = type;
4545 param.fp_check_foreign = 1;
4546 param.fp_exclude_foreign = !!neg_opt;
4549 case LFS_NEWERXY_OPT: {
4555 time_t ref = time(NULL);
4557 /* no need to check bad options, they won't get here */
4558 if (strlen(long_opts[optidx].name) == 7) {
4559 x = long_opts[optidx].name[5];
4560 y = long_opts[optidx].name[6];
4564 static const char *const fmts[] = {
4565 "%Y-%m-%d %H:%M:%S",
4568 "%H:%M:%S", /* sometime today */
4577 for (i = 0; fmts[i] != NULL; i++) {
4580 /* Init for times relative to today */
4581 if (strncmp(fmts[i], "%H", 2) == 0)
4582 localtime_r(&ref, &tm);
4584 memset(&tm, 0, sizeof(tm));
4585 ptr = strptime(optarg, fmts[i], &tm);
4587 while (ptr && isspace(*ptr))
4589 if (ptr == optarg + strlen(optarg)) {
4597 "%s: invalid time '%s'\n",
4600 "supported formats are:\n ");
4601 for (i = 0; fmts[i] != NULL; i++)
4602 fprintf(stderr, "'%s', ",
4604 fprintf(stderr, "\n");
4610 } else if (y == 'b' || y == 'B') {
4613 rc = llapi_get_lum_file(optarg, NULL, &stx,
4615 if (rc || !(stx.stx_mask & STATX_BTIME)) {
4616 if (!(stx.stx_mask & STATX_BTIME))
4621 "%s: get btime failed '%s': %s\n",
4627 ref = stx.stx_btime.tv_sec;
4629 struct stat statbuf;
4631 if (stat(optarg, &statbuf) < 0) {
4633 "%s: cannot stat file '%s': %s\n",
4642 ref = statbuf.st_atime;
4645 ref = statbuf.st_mtime;
4648 ref = statbuf.st_ctime;
4652 "%s: invalid Y argument: '%c'\n",
4661 xidx = NEWERXY_ATIME;
4664 xidx = NEWERXY_MTIME;
4667 xidx = NEWERXY_CTIME;
4671 xidx = NEWERXY_BTIME;
4675 "%s: invalid X argument: '%c'\n",
4682 newery = ¶m.fp_newery[xidx][negidx];
4688 *newery = *newery > ref ? ref : *newery;
4690 *newery = *newery > ref ? *newery : ref;
4692 param.fp_newerxy = 1;
4697 rc = name2gid(¶m.fp_gid, optarg);
4699 param.fp_gid = strtoul(optarg, &endptr, 10);
4700 if (*endptr != '\0') {
4701 fprintf(stderr, "Group/GID: %s cannot "
4702 "be found.\n", optarg);
4707 param.fp_exclude_gid = !!neg_opt;
4708 param.fp_check_gid = 1;
4711 param.fp_hash_type = check_hashtype(optarg);
4712 if (param.fp_hash_type == 0) {
4713 fprintf(stderr, "error: bad hash_type '%s'\n",
4718 param.fp_check_hash_type = 1;
4719 param.fp_exclude_hash_type = !!neg_opt;
4725 ret = name2layout(¶m.fp_layout, optarg);
4728 param.fp_exclude_layout = !!neg_opt;
4729 param.fp_check_layout = 1;
4733 rc = name2uid(¶m.fp_uid, optarg);
4735 param.fp_uid = strtoul(optarg, &endptr, 10);
4736 if (*endptr != '\0') {
4737 fprintf(stderr, "User/UID: %s cannot "
4738 "be found.\n", optarg);
4743 param.fp_exclude_uid = !!neg_opt;
4744 param.fp_check_uid = 1;
4747 param.fp_pattern = (char *)optarg;
4748 param.fp_exclude_pattern = !!neg_opt;
4751 if (optarg[0] == '+') {
4752 param.fp_mirror_count_sign = -1;
4754 } else if (optarg[0] == '-') {
4755 param.fp_mirror_count_sign = 1;
4759 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4760 if (*endptr != '\0') {
4762 "error: bad mirror count '%s'\n",
4766 param.fp_check_mirror_count = 1;
4767 param.fp_exclude_mirror_count = !!neg_opt;
4772 char *buf, *token, *next, *p;
4776 buf = strdup(optarg);
4782 param.fp_exclude_obd = !!neg_opt;
4785 while (token && *token) {
4786 token = strchr(token, ',');
4793 param.fp_exclude_mdt = !!neg_opt;
4794 param.fp_num_alloc_mdts += len;
4795 tmp = realloc(param.fp_mdt_uuid,
4796 param.fp_num_alloc_mdts *
4797 sizeof(*param.fp_mdt_uuid));
4803 param.fp_mdt_uuid = tmp;
4805 param.fp_exclude_obd = !!neg_opt;
4806 param.fp_num_alloc_obds += len;
4807 tmp = realloc(param.fp_obd_uuid,
4808 param.fp_num_alloc_obds *
4809 sizeof(*param.fp_obd_uuid));
4815 param.fp_obd_uuid = tmp;
4817 for (token = buf; token && *token; token = next) {
4818 struct obd_uuid *puuid;
4821 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4824 ¶m.fp_obd_uuid[param.fp_num_obds++];
4826 p = strchr(token, ',');
4833 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4838 strncpy(puuid->uuid, token,
4839 sizeof(puuid->uuid));
4846 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4850 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4852 "Pool name %s is too long (max %d)\n",
4853 optarg, LOV_MAXPOOLNAME);
4858 * We do check for empty pool because empty pool
4859 * is used to find V1 LOV attributes
4861 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4862 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4863 param.fp_exclude_pool = !!neg_opt;
4864 param.fp_check_pool = 1;
4866 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4867 case 'p': /* want this for --pool, to match getstripe/find */
4869 "warning: -p deprecated, use --print0 or -0\n");
4872 param.fp_zero_end = 1;
4874 case 'P': /* we always print, this option is a no-op */
4876 case LFS_PROJID_OPT:
4877 rc = name2projid(¶m.fp_projid, optarg);
4879 param.fp_projid = strtoul(optarg, &endptr, 10);
4880 if (*endptr != '\0') {
4882 "Invalid project ID: %s",
4888 param.fp_exclude_projid = !!neg_opt;
4889 param.fp_check_projid = 1;
4892 if (optarg[0] == '+') {
4893 param.fp_size_sign = -1;
4895 } else if (optarg[0] == '-') {
4896 param.fp_size_sign = 1;
4900 ret = llapi_parse_size(optarg, ¶m.fp_size,
4901 ¶m.fp_size_units, 0);
4903 fprintf(stderr, "error: bad file size '%s'\n",
4907 param.fp_check_size = 1;
4908 param.fp_exclude_size = !!neg_opt;
4911 if (optarg[0] == '+') {
4912 param.fp_stripe_size_sign = -1;
4914 } else if (optarg[0] == '-') {
4915 param.fp_stripe_size_sign = 1;
4919 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4920 ¶m.fp_stripe_size_units, 0);
4922 fprintf(stderr, "error: bad stripe_size '%s'\n",
4926 param.fp_check_stripe_size = 1;
4927 param.fp_exclude_stripe_size = !!neg_opt;
4930 param.fp_exclude_type = !!neg_opt;
4931 switch (optarg[0]) {
4933 param.fp_type = S_IFBLK;
4936 param.fp_type = S_IFCHR;
4939 param.fp_type = S_IFDIR;
4942 param.fp_type = S_IFREG;
4945 param.fp_type = S_IFLNK;
4948 param.fp_type = S_IFIFO;
4951 param.fp_type = S_IFSOCK;
4954 fprintf(stderr, "error: %s: bad type '%s'\n",
4961 if (optarg[0] == '+') {
4962 param.fp_mdt_count_sign = -1;
4964 } else if (optarg[0] == '-') {
4965 param.fp_mdt_count_sign = 1;
4969 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4970 if (*endptr != '\0') {
4971 fprintf(stderr, "error: bad mdt_count '%s'\n",
4976 param.fp_check_mdt_count = 1;
4977 param.fp_exclude_mdt_count = !!neg_opt;
4980 if (optarg[0] == '+') {
4981 param.fp_ext_size_sign = -1;
4983 } else if (optarg[0] == '-') {
4984 param.fp_ext_size_sign = 1;
4988 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
4989 ¶m.fp_ext_size_units, 0);
4991 fprintf(stderr, "error: bad ext-size '%s'\n",
4995 param.fp_ext_size /= SEL_UNIT_SIZE;
4996 param.fp_ext_size_units /= SEL_UNIT_SIZE;
4997 param.fp_check_ext_size = 1;
4998 param.fp_exclude_ext_size = !!neg_opt;
5006 if (pathstart == -1) {
5007 fprintf(stderr, "error: %s: no filename|pathname\n",
5011 } else if (pathend == -1) {
5017 rc = llapi_find(argv[pathstart], ¶m);
5020 pathbad = pathstart;
5022 } while (++pathstart < pathend);
5025 fprintf(stderr, "%s: failed for '%s': %s\n",
5026 progname, argv[pathbad], strerror(-rc));
5029 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
5030 free(param.fp_obd_uuid);
5032 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
5033 free(param.fp_mdt_uuid);
5038 static int lfs_getstripe_internal(int argc, char **argv,
5039 struct find_param *param)
5041 struct option long_opts[] = {
5042 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
5043 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
5044 /* find { .val = 'B', .name = "btime", .has_arg = required_argument }*/
5045 /* find { .val = 'B', .name = "Btime", .has_arg = required_argument }*/
5046 { .val = LFS_COMP_COUNT_OPT,
5047 .name = "comp-count", .has_arg = no_argument },
5048 { .val = LFS_COMP_COUNT_OPT,
5049 .name = "component-count", .has_arg = no_argument },
5050 { .val = LFS_COMP_FLAGS_OPT,
5051 .name = "comp-flags", .has_arg = optional_argument },
5052 { .val = LFS_COMP_FLAGS_OPT,
5053 .name = "component-flags", .has_arg = optional_argument },
5054 { .val = LFS_COMP_START_OPT,
5055 .name = "comp-start", .has_arg = optional_argument },
5056 { .val = LFS_COMP_START_OPT,
5057 .name = "component-start", .has_arg = optional_argument },
5058 { .val = LFS_MIRROR_INDEX_OPT,
5059 .name = "mirror-index", .has_arg = required_argument },
5060 { .val = LFS_MIRROR_ID_OPT,
5061 .name = "mirror-id", .has_arg = required_argument },
5062 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
5063 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
5064 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
5065 { .val = 'd', .name = "directory", .has_arg = no_argument },
5066 { .val = 'D', .name = "default", .has_arg = no_argument },
5067 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
5068 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
5069 { .val = 'F', .name = "fid", .has_arg = no_argument },
5070 { .val = 'g', .name = "generation", .has_arg = no_argument },
5071 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
5072 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
5073 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
5074 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
5075 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
5076 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
5077 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5078 { .val = 'L', .name = "layout", .has_arg = no_argument },
5079 { .val = 'm', .name = "mdt", .has_arg = no_argument },
5080 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5081 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
5082 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
5083 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
5084 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
5085 { .val = 'O', .name = "obd", .has_arg = required_argument },
5086 { .val = 'O', .name = "ost", .has_arg = required_argument },
5087 { .val = 'p', .name = "pool", .has_arg = no_argument },
5088 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
5089 { .val = 'q', .name = "quiet", .has_arg = no_argument },
5090 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5091 { .val = 'R', .name = "raw", .has_arg = no_argument },
5092 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
5093 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
5094 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
5095 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
5096 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
5097 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
5098 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5099 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5100 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
5101 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
5105 int pathstart = -1, pathend = -1;
5109 while ((c = getopt_long(argc, argv,
5110 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
5111 long_opts, NULL)) != -1) {
5115 /* '!' is part of option */
5116 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
5117 if (!isoption && pathend != -1) {
5119 "error: %s: filename|dirname must either precede options or follow options\n",
5123 if (!isoption && pathstart == -1)
5124 pathstart = optind - 1;
5125 if (isoption && pathstart != -1 && pathend == -1)
5126 pathend = optind - 2;
5130 /* unknown: opt is "!" */
5131 if (strcmp(optarg, "!") == 0)
5135 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5136 param->fp_verbose |= VERBOSE_COUNT;
5137 param->fp_max_depth = 0;
5140 case LFS_COMP_COUNT_OPT:
5141 param->fp_verbose |= VERBOSE_COMP_COUNT;
5142 param->fp_max_depth = 0;
5144 case LFS_COMP_FLAGS_OPT:
5145 if (optarg != NULL) {
5146 rc = comp_str2flags(optarg,
5147 ¶m->fp_comp_flags,
5148 ¶m->fp_comp_neg_flags);
5150 fprintf(stderr, "error: %s bad "
5151 "component flags '%s'.\n",
5155 param->fp_check_comp_flags = 1;
5157 param->fp_verbose |= VERBOSE_COMP_FLAGS;
5158 param->fp_max_depth = 0;
5161 case LFS_COMP_START_OPT:
5162 if (optarg != NULL) {
5164 if (tmp[0] == '+') {
5165 param->fp_comp_start_sign = -1;
5167 } else if (tmp[0] == '-') {
5168 param->fp_comp_start_sign = 1;
5171 rc = llapi_parse_size(tmp,
5172 ¶m->fp_comp_start,
5173 ¶m->fp_comp_start_units, 0);
5175 fprintf(stderr, "error: %s bad "
5176 "component start '%s'.\n",
5180 param->fp_check_comp_start = 1;
5183 param->fp_verbose |= VERBOSE_COMP_START;
5184 param->fp_max_depth = 0;
5187 case LFS_MIRROR_INDEX_OPT:
5188 if (optarg[0] == '+') {
5189 param->fp_mirror_index_sign = -1;
5191 } else if (optarg[0] == '-') {
5192 param->fp_mirror_index_sign = 1;
5196 param->fp_mirror_index = strtoul(optarg, &end, 0);
5197 if (*end != '\0' || (param->fp_mirror_index == 0 &&
5198 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
5200 "%s %s: invalid mirror index '%s'\n",
5201 progname, argv[0], optarg);
5204 if (param->fp_mirror_id != 0) {
5206 "%s %s: can't specify both mirror index and mirror ID\n",
5210 param->fp_check_mirror_index = 1;
5211 param->fp_exclude_mirror_index = !!neg_opt;
5213 case LFS_MIRROR_ID_OPT:
5214 if (optarg[0] == '+') {
5215 param->fp_mirror_id_sign = -1;
5217 } else if (optarg[0] == '-') {
5218 param->fp_mirror_id_sign = 1;
5222 param->fp_mirror_id = strtoul(optarg, &end, 0);
5223 if (*end != '\0' || (param->fp_mirror_id == 0 &&
5224 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
5226 "%s %s: invalid mirror ID '%s'\n",
5227 progname, argv[0], optarg);
5230 if (param->fp_mirror_index != 0) {
5232 "%s %s: can't specify both mirror index and mirror ID\n",
5236 param->fp_check_mirror_id = 1;
5237 param->fp_exclude_mirror_id = !!neg_opt;
5240 param->fp_max_depth = 0;
5243 param->fp_get_default_lmv = 1;
5246 if (optarg != NULL) {
5248 if (tmp[0] == '+') {
5249 param->fp_comp_end_sign = -1;
5251 } else if (tmp[0] == '-') {
5252 param->fp_comp_end_sign = 1;
5256 if (arg_is_eof(tmp)) {
5257 param->fp_comp_end = LUSTRE_EOF;
5258 param->fp_comp_end_units = 1;
5261 rc = llapi_parse_size(tmp,
5262 ¶m->fp_comp_end,
5263 ¶m->fp_comp_end_units, 0);
5266 fprintf(stderr, "error: %s bad "
5267 "component end '%s'.\n",
5271 param->fp_check_comp_end = 1;
5273 param->fp_verbose |= VERBOSE_COMP_END;
5274 param->fp_max_depth = 0;
5278 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5279 param->fp_verbose |= VERBOSE_DFID;
5280 param->fp_max_depth = 0;
5284 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5285 param->fp_verbose |= VERBOSE_GENERATION;
5286 param->fp_max_depth = 0;
5290 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5291 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
5292 param->fp_max_depth = 0;
5296 if (optarg != NULL) {
5297 param->fp_comp_id = strtoul(optarg, &end, 0);
5298 if (*end != '\0' || param->fp_comp_id == 0 ||
5299 param->fp_comp_id > LCME_ID_MAX) {
5300 fprintf(stderr, "error: %s bad "
5301 "component id '%s'\n",
5305 param->fp_check_comp_id = 1;
5308 param->fp_max_depth = 0;
5309 param->fp_verbose |= VERBOSE_COMP_ID;
5313 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5314 param->fp_verbose |= VERBOSE_PATTERN;
5315 param->fp_max_depth = 0;
5318 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5320 fprintf(stderr, "warning: '-M' deprecated"
5321 ", use '--mdt-index' or '-m' instead\n");
5324 if (!(param->fp_verbose & VERBOSE_DETAIL))
5325 param->fp_max_depth = 0;
5326 param->fp_verbose |= VERBOSE_MDTINDEX;
5329 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5330 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
5331 param->fp_max_depth = 0;
5335 if (param->fp_obd_uuid) {
5337 "error: %s: only one obduuid allowed",
5341 param->fp_obd_uuid = (struct obd_uuid *)optarg;
5344 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5345 param->fp_verbose |= VERBOSE_POOL;
5346 param->fp_max_depth = 0;
5353 param->fp_recursive = 1;
5359 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5360 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
5361 param->fp_max_depth = 0;
5365 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
5371 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5372 param->fp_verbose |= VERBOSE_EXT_SIZE;
5373 param->fp_max_depth = 0;
5381 if (pathstart == -1) {
5382 fprintf(stderr, "error: %s: no filename|pathname\n",
5385 } else if (pathend == -1) {
5393 if (param->fp_recursive)
5394 param->fp_max_depth = -1;
5395 else if (param->fp_verbose & VERBOSE_DETAIL)
5396 param->fp_max_depth = 1;
5398 if (!param->fp_verbose)
5399 param->fp_verbose = VERBOSE_DEFAULT;
5400 if (param->fp_quiet)
5401 param->fp_verbose = VERBOSE_OBJID;
5404 rc = llapi_getstripe(argv[pathstart], param);
5405 } while (++pathstart < pathend && !rc);
5408 fprintf(stderr, "error: %s failed for %s.\n",
5409 argv[0], argv[optind - 1]);
5413 static int lfs_tgts(int argc, char **argv)
5415 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5416 struct find_param param;
5417 int index = 0, rc=0;
5422 if (argc == 2 && !realpath(argv[1], path)) {
5424 fprintf(stderr, "error: invalid path '%s': %s\n",
5425 argv[1], strerror(-rc));
5429 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5430 /* Check if we have a mount point */
5431 if (mntdir[0] == '\0')
5434 memset(¶m, 0, sizeof(param));
5435 if (!strcmp(argv[0], "mdts"))
5436 param.fp_get_lmv = 1;
5438 rc = llapi_ostlist(mntdir, ¶m);
5440 fprintf(stderr, "error: %s: failed on %s\n",
5443 if (path[0] != '\0')
5445 memset(mntdir, 0, PATH_MAX);
5451 static int lfs_getstripe(int argc, char **argv)
5453 struct find_param param = { 0 };
5455 param.fp_max_depth = 1;
5456 return lfs_getstripe_internal(argc, argv, ¶m);
5460 static int lfs_getdirstripe(int argc, char **argv)
5462 struct find_param param = { 0 };
5463 struct option long_opts[] = {
5464 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5465 { .val = 'D', .name = "default", .has_arg = no_argument },
5466 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5467 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5468 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5469 { .val = 'O', .name = "obd", .has_arg = required_argument },
5470 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5471 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5472 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5473 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5477 param.fp_get_lmv = 1;
5479 while ((c = getopt_long(argc, argv,
5480 "cDHimO:rtTvy", long_opts, NULL)) != -1)
5485 param.fp_verbose |= VERBOSE_COUNT;
5488 param.fp_get_default_lmv = 1;
5492 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5494 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5496 fprintf(stderr, "warning: '-t' deprecated, "
5497 "use '--mdt-hash' or '-H' instead\n");
5500 param.fp_verbose |= VERBOSE_HASH_TYPE;
5503 if (param.fp_obd_uuid) {
5505 "error: %s: only one obduuid allowed",
5509 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5512 param.fp_recursive = 1;
5515 param.fp_verbose |= VERBOSE_DETAIL;
5521 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5522 progname, argv[0], argv[optind - 1]);
5530 if (param.fp_recursive)
5531 param.fp_max_depth = -1;
5533 if (!param.fp_verbose)
5534 param.fp_verbose = VERBOSE_DEFAULT;
5537 rc = llapi_getstripe(argv[optind], ¶m);
5538 } while (++optind < argc && !rc);
5541 fprintf(stderr, "error: %s failed for %s.\n",
5542 argv[0], argv[optind - 1]);
5547 MNTDF_INODES = 0x0001,
5548 MNTDF_COOKED = 0x0002,
5549 MNTDF_LAZY = 0x0004,
5550 MNTDF_VERBOSE = 0x0008,
5551 MNTDF_SHOW = 0x0010,
5554 #define COOK(value) \
5557 while (value > 1024) { \
5565 #define CDF "%11llu"
5566 #define HDF "%8.1f%c"
5570 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5572 double avail, used, ratio = 0;
5575 avail = st->os_ffree;
5576 used = st->os_files - st->os_ffree;
5578 avail = st->os_bavail;
5579 used = st->os_blocks - st->os_bfree;
5581 if (avail + used > 0)
5582 ratio = used / (used + avail) * 100;
5584 /* Round up to match df(1) usage percentage */
5585 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5588 /* This is to identify various problem states for "lfs df" if .osn_err = true,
5589 * so only show flags reflecting those states by default. Informational states
5590 * are only shown with "-v" and use lower-case names to distinguish them.
5591 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5593 static struct obd_statfs_state_names {
5594 enum obd_statfs_state osn_state;
5595 const char osn_name;
5598 { .osn_state = OS_STATE_DEGRADED, .osn_name = 'D', .osn_err = true },
5599 { .osn_state = OS_STATE_READONLY, .osn_name = 'R', .osn_err = true },
5600 { .osn_state = OS_STATE_NOPRECREATE, .osn_name = 'N', .osn_err = true },
5601 { .osn_state = OS_STATE_UNUSED1, .osn_name = '?', .osn_err = true },
5602 { .osn_state = OS_STATE_UNUSED2, .osn_name = '?', .osn_err = true },
5603 { .osn_state = OS_STATE_ENOSPC, .osn_name = 'S', .osn_err = true },
5604 { .osn_state = OS_STATE_ENOINO, .osn_name = 'I', .osn_err = true },
5605 { .osn_state = OS_STATE_SUM, .osn_name = 'a', /* aggregate */ },
5606 { .osn_state = OS_STATE_NONROT, .osn_name = 'f', /* flash */ },
5609 static int showdf(char *mntdir, struct obd_statfs *stat,
5610 char *uuid, enum mntdf_flags flags,
5611 char *type, int index, int rc)
5613 long long avail, used, total;
5615 char *suffix = "KMGTPEZY";
5616 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5617 char tbuf[3 * sizeof(__u64)];
5618 char ubuf[3 * sizeof(__u64)];
5619 char abuf[3 * sizeof(__u64)];
5620 char rbuf[3 * sizeof(__u64)];
5627 if (flags & MNTDF_INODES) {
5628 avail = stat->os_ffree;
5629 used = stat->os_files - stat->os_ffree;
5630 total = stat->os_files;
5632 int shift = flags & MNTDF_COOKED ? 0 : 10;
5634 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5635 used = ((stat->os_blocks - stat->os_bfree) *
5636 stat->os_bsize) >> shift;
5637 total = (stat->os_blocks * stat->os_bsize) >> shift;
5640 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5642 if (flags & MNTDF_COOKED) {
5646 cook_val = (double)total;
5649 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5652 snprintf(tbuf, sizeof(tbuf), CDF, total);
5654 cook_val = (double)used;
5657 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5660 snprintf(ubuf, sizeof(ubuf), CDF, used);
5662 cook_val = (double)avail;
5665 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5668 snprintf(abuf, sizeof(abuf), CDF, avail);
5670 snprintf(tbuf, sizeof(tbuf), CDF, total);
5671 snprintf(ubuf, sizeof(tbuf), CDF, used);
5672 snprintf(abuf, sizeof(tbuf), CDF, avail);
5675 sprintf(rbuf, RDF, ratio);
5676 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5677 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5679 printf("[%s:%d]", type, index);
5681 if (stat->os_state) {
5685 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5686 if (oss_names[i].osn_state & stat->os_state &&
5687 (oss_names[i].osn_err ||
5688 flags & MNTDF_VERBOSE))
5689 printf("%c", oss_names[i].osn_name);
5696 printf(UUF": inactive device\n", uuid);
5699 printf(UUF": %s\n", uuid, strerror(-rc));
5706 struct ll_stat_type {
5711 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5713 struct ll_statfs_data {
5715 struct obd_statfs sd_st;
5718 struct ll_statfs_buf {
5720 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5723 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5724 int ops, struct ll_statfs_buf *lsb)
5726 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5727 struct obd_uuid uuid_buf;
5728 char *poolname = NULL;
5729 struct ll_stat_type types[] = {
5730 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5731 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5732 { .st_name = NULL } };
5733 struct ll_stat_type *tp;
5734 __u64 ost_files = 0;
5735 __u64 ost_ffree = 0;
5743 poolname = strchr(pool, '.');
5744 if (poolname != NULL) {
5745 if (strncmp(fsname, pool, strlen(fsname))) {
5746 fprintf(stderr, "filesystem name incorrect\n");
5754 fd = open(mntdir, O_RDONLY);
5757 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5762 if (flags & MNTDF_SHOW) {
5763 if (flags & MNTDF_INODES)
5764 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5765 "UUID", "Inodes", "IUsed", "IFree",
5766 "IUse%", "Mounted on");
5768 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5770 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5771 "Used", "Available", "Use%", "Mounted on");
5774 for (tp = types; tp->st_name != NULL; tp++) {
5775 bool have_ost = false;
5777 if (!(tp->st_op & ops))
5780 for (index = 0; ; index++) {
5781 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5782 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5783 type = flags & MNTDF_LAZY ?
5784 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5785 rc2 = llapi_obd_fstatfs(fd, type, index,
5786 &stat_buf, &uuid_buf);
5791 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5792 if (!(flags & MNTDF_VERBOSE))
5794 } else if (rc2 < 0 && rc == 0) {
5798 /* If we have OSTs then don't report MDT block counts.
5799 * For MDT-only filesystems the expectation is that all
5800 * layouts have a DoM component. For filesystems with
5801 * OSTs, files are not necessarily going to store data
5802 * on MDTs, and MDT space is limited to a fraction of
5803 * OST space, so don't include it in the summary.
5805 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5812 if (poolname && tp->st_op == LL_STATFS_LOV &&
5813 llapi_search_ost(fsname, poolname,
5814 obd_uuid2str(&uuid_buf)) != 1)
5817 /* the llapi_obd_statfs() call may have returned with
5818 * an error, but if it filled in uuid_buf we will at
5819 * lease use that to print out a message for that OBD.
5820 * If we didn't get anything in the uuid_buf, then fill
5821 * it in so that we can print an error message. */
5822 if (uuid_buf.uuid[0] == '\0')
5823 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5824 "%s%04x", tp->st_name, index);
5826 lsb->sb_buf[lsb->sb_count].sd_index = index;
5827 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5830 if (flags & MNTDF_SHOW)
5831 showdf(mntdir, &stat_buf,
5832 obd_uuid2str(&uuid_buf), flags,
5833 tp->st_name, index, rc2);
5838 if (tp->st_op == LL_STATFS_LMV) {
5839 sum.os_ffree += stat_buf.os_ffree;
5840 sum.os_files += stat_buf.os_files;
5841 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5842 ost_files += stat_buf.os_files;
5843 ost_ffree += stat_buf.os_ffree;
5845 sum.os_blocks += stat_buf.os_blocks *
5847 sum.os_bfree += stat_buf.os_bfree *
5849 sum.os_bavail += stat_buf.os_bavail *
5856 /* If we have _some_ OSTs, but don't have as many free objects on the
5857 * OST as inodes on the MDTs, reduce the reported number of inodes
5858 * to compensate, so that the "inodes in use" number is correct.
5859 * This should be kept in sync with ll_statfs_internal().
5861 if (ost_files && ost_ffree < sum.os_ffree) {
5862 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5863 sum.os_ffree = ost_ffree;
5865 if (flags & MNTDF_SHOW) {
5867 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5875 static int lfs_setdirstripe(int argc, char **argv)
5878 struct lfs_setstripe_args lsa = { 0 };
5879 struct llapi_stripe_param *param = NULL;
5880 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5883 char *mode_opt = NULL;
5884 bool default_stripe = false;
5885 bool delete = false;
5886 bool foreign_mode = false;
5887 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5888 mode_t previous_mode = 0;
5890 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5891 struct option long_opts[] = {
5892 { .val = 'c', .name = "count", .has_arg = required_argument },
5893 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5894 { .val = 'd', .name = "delete", .has_arg = no_argument },
5895 { .val = 'D', .name = "default", .has_arg = no_argument },
5896 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5897 { .val = LFS_LAYOUT_FLAGS_OPT,
5898 .name = "flags", .has_arg = required_argument },
5899 { .val = LFS_LAYOUT_FOREIGN_OPT,
5900 .name = "foreign", .has_arg = optional_argument},
5901 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5902 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5903 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5904 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5906 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5907 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5908 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5910 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5911 { .val = 'i', .name = "index", .has_arg = required_argument },
5913 { .val = 'o', .name = "mode", .has_arg = required_argument },
5914 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5915 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5917 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5918 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5919 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5923 setstripe_args_init(&lsa);
5925 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5926 long_opts, NULL)) >= 0) {
5933 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5936 "%s %s: invalid stripe count '%s'\n",
5937 progname, argv[0], optarg);
5943 default_stripe = true;
5946 default_stripe = true;
5948 case LFS_LAYOUT_FOREIGN_OPT:
5949 if (optarg != NULL) {
5950 /* check pure numeric */
5951 type = strtoul(optarg, &end, 0);
5954 type = check_foreign_type_name(optarg);
5955 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5957 "%s %s: unknown foreign type '%s'\n",
5964 foreign_mode = true;
5966 case LFS_LAYOUT_FLAGS_OPT:
5967 flags = strtoul(optarg, &end, 16);
5970 "%s %s: bad flags '%s'\n",
5971 progname, argv[0], optarg);
5975 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5977 fprintf(stderr, "warning: '--hash-type' and '-t' "
5978 "deprecated, use '--mdt-hash' or '-H' instead\n");
5981 lsa.lsa_pattern = check_hashtype(optarg);
5982 if (lsa.lsa_pattern == 0) {
5984 "%s %s: bad stripe hash type '%s'\n",
5985 progname, argv[0], optarg);
5990 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5993 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5994 if (strcmp(argv[optind - 1], "--index") == 0)
5996 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5999 lsa.lsa_nr_tgts = parse_targets(mdts,
6000 sizeof(mdts) / sizeof(__u32),
6001 lsa.lsa_nr_tgts, optarg, NULL);
6002 if (lsa.lsa_nr_tgts < 0) {
6004 "%s %s: invalid MDT target(s) '%s'\n",
6005 progname, argv[0], optarg);
6009 lsa.lsa_tgts = mdts;
6010 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6011 lsa.lsa_stripe_off = mdts[0];
6013 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
6015 fprintf(stderr, "warning: '-m' is deprecated, "
6016 "use '--mode' or '-o' instead\n");
6025 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
6026 progname, argv[0], argv[optind - 1]);
6031 if (optind == argc) {
6032 fprintf(stderr, "%s %s: DIR must be specified\n",
6037 if (xattr && !foreign_mode) {
6038 /* only print a warning as this is armless and will be
6042 "%s %s: xattr has been specified for non-foreign layout\n",
6044 } else if (foreign_mode && !xattr) {
6046 "%s %s: xattr must be provided in foreign mode\n",
6051 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
6052 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
6054 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
6059 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
6060 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
6062 "%s %s: stripe offset and count must be specified\n",
6068 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
6069 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
6071 "%s %s: cannot specify -d with -c or -i options\n",
6076 if (mode_opt != NULL) {
6077 mode = strtoul(mode_opt, &end, 8);
6080 "%s %s: bad MODE '%s'\n",
6081 progname, argv[0], mode_opt);
6084 previous_mode = umask(0);
6087 /* foreign LMV/dir case */
6089 if (argc > optind + 1) {
6091 "%s %s: cannot specify multiple foreign dirs\n",
6096 dname = argv[optind];
6097 result = llapi_dir_create_foreign(dname, mode, type, flags,
6101 "%s mkdir: can't create foreign dir '%s': %s\n",
6102 progname, dname, strerror(-result));
6107 * initialize stripe parameters, in case param is converted to specific,
6108 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
6110 param = calloc(1, offsetof(typeof(*param),
6111 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
6112 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
6113 if (param == NULL) {
6115 "%s %s: cannot allocate memory for parameters: %s\n",
6116 progname, argv[0], strerror(ENOMEM));
6120 /* if "lfs setdirstripe -D -i -1" is used, assume 1-stripe directory */
6121 if (default_stripe && lsa.lsa_stripe_off == -1 &&
6122 (lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT ||
6123 lsa.lsa_stripe_count == 0))
6124 lsa.lsa_stripe_count = 1;
6125 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
6126 param->lsp_stripe_count = lsa.lsa_stripe_count;
6127 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6128 param->lsp_stripe_offset = -1;
6130 param->lsp_stripe_offset = lsa.lsa_stripe_off;
6131 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
6132 param->lsp_stripe_pattern = lsa.lsa_pattern;
6134 param->lsp_stripe_pattern = LMV_HASH_TYPE_UNKNOWN;
6135 param->lsp_pool = lsa.lsa_pool_name;
6136 param->lsp_is_specific = false;
6137 if (lsa.lsa_nr_tgts > 1) {
6138 if (lsa.lsa_stripe_count > 0 &&
6139 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
6140 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
6142 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
6143 argv[0], lsa.lsa_stripe_count,
6149 param->lsp_is_specific = true;
6150 param->lsp_stripe_count = lsa.lsa_nr_tgts;
6151 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
6154 dname = argv[optind];
6156 if (default_stripe) {
6157 result = llapi_dir_set_default_lmv(dname, param);
6160 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
6161 progname, dname, strerror(-result));
6165 result = llapi_dir_create(dname, mode, param);
6168 "%s setdirstripe: cannot create dir '%s': %s\n",
6169 progname, dname, strerror(-result));
6170 } while (!result && (dname = argv[++optind]));
6172 if (mode_opt != NULL)
6173 umask(previous_mode);
6180 static int lfs_rmentry(int argc, char **argv)
6187 fprintf(stderr, "error: %s: missing dirname\n",
6193 dname = argv[index];
6194 while (dname != NULL) {
6195 result = llapi_direntry_remove(dname);
6197 fprintf(stderr, "error: %s: remove dir entry '%s' "
6198 "failed\n", argv[0], dname);
6201 dname = argv[++index];
6206 static int lfs_mv(int argc, char **argv)
6208 struct lmv_user_md lmu = { LMV_USER_MAGIC };
6209 struct find_param param = {
6216 struct option long_opts[] = {
6217 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6218 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6219 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6222 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
6224 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6226 fprintf(stderr, "warning: '-M' deprecated"
6227 ", use '--mdt-index' or '-m' instead\n");
6230 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
6232 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
6238 param.fp_verbose = VERBOSE_DETAIL;
6241 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
6242 progname, argv[optind - 1]);
6247 if (lmu.lum_stripe_offset == LMV_OFFSET_DEFAULT) {
6248 fprintf(stderr, "%s mv: MDT index must be specified\n",
6253 if (optind >= argc) {
6254 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6258 lmu.lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
6260 /* initialize migrate mdt parameters */
6261 param.fp_lmv_md = &lmu;
6262 param.fp_migrate = 1;
6263 rc = llapi_migrate_mdt(argv[optind], ¶m);
6265 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6266 progname, argv[optind], lmu.lum_stripe_offset,
6271 static int lfs_osts(int argc, char **argv)
6273 return lfs_tgts(argc, argv);
6276 static int lfs_mdts(int argc, char **argv)
6278 return lfs_tgts(argc, argv);
6281 static int lfs_df(int argc, char **argv)
6283 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6284 enum mntdf_flags flags = MNTDF_SHOW;
6285 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6286 int c, rc = 0, index = 0;
6287 char fsname[PATH_MAX] = "", *pool_name = NULL;
6288 struct option long_opts[] = {
6289 { .val = 'h', .name = "human-readable",
6290 .has_arg = no_argument },
6291 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6292 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6293 { .val = 'p', .name = "pool", .has_arg = required_argument },
6294 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6297 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6300 flags |= MNTDF_COOKED;
6303 flags |= MNTDF_INODES;
6306 flags |= MNTDF_LAZY;
6312 flags |= MNTDF_VERBOSE;
6318 if (optind < argc && !realpath(argv[optind], path)) {
6320 fprintf(stderr, "error: invalid path '%s': %s\n",
6321 argv[optind], strerror(-rc));
6325 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6326 /* Check if we have a mount point */
6327 if (mntdir[0] == '\0')
6330 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6331 if (rc || path[0] != '\0')
6333 fsname[0] = '\0'; /* avoid matching in next loop */
6334 mntdir[0] = '\0'; /* avoid matching in next loop */
6340 static int print_instance(const char *mntdir, char *buf, size_t buflen,
6341 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6345 if (opt_fsname == opt_instance) { /* both true or both false */
6346 rc = llapi_getname(mntdir, buf, buflen);
6347 } else if (opt_fsname) {
6348 /* llapi_search_mounts() fills @buf with fsname, but that is not
6349 * called if explicit paths are specified on the command-line
6352 rc = llapi_get_fsname(mntdir, buf, buflen);
6353 } else /* if (opt_instance) */ {
6354 rc = llapi_get_instance(mntdir, buf, buflen);
6358 fprintf(stderr, "cannot get instance for '%s': %s\n",
6359 mntdir, strerror(-rc));
6364 printf("%s %s\n", buf, mntdir);
6366 printf("%s\n", buf);
6371 static int lfs_getname(int argc, char **argv)
6373 struct option long_opts[] = {
6374 { .val = 'h', .name = "help", .has_arg = no_argument },
6375 { .val = 'i', .name = "instance", .has_arg = no_argument },
6376 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6378 bool opt_instance = false, opt_fsname = false;
6379 char fsname[PATH_MAX] = "";
6382 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6385 opt_instance = true;
6396 if (optind == argc) { /* no paths specified, get all paths. */
6397 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6400 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6401 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6402 opt_instance, opt_fsname, true);
6405 path[0] = fsname[0] = mntdir[0] = '\0';
6407 } else { /* paths specified, only attempt to search these. */
6410 /* if only one path is given, print only requested info */
6411 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6413 for (; optind < argc; optind++) {
6414 rc2 = print_instance(argv[optind], fsname,
6415 sizeof(fsname), opt_instance,
6416 opt_fsname, opt_mntdir);
6426 static int lfs_check(int argc, char **argv)
6428 char mntdir[PATH_MAX] = {'\0'};
6437 fprintf(stderr, "%s check: server type must be specified\n",
6442 obd_types[0] = obd_type1;
6443 obd_types[1] = obd_type2;
6444 obd_types[2] = obd_type3;
6446 if (strcmp(argv[1], "osts") == 0) {
6447 strcpy(obd_types[0], "osc");
6448 } else if (strcmp(argv[1], "mdts") == 0 ||
6449 strcmp(argv[1], "mds") == 0) {
6450 strcpy(obd_types[0], "mdc");
6451 } else if (strcmp(argv[1], "mgts") == 0) {
6452 strcpy(obd_types[0], "mgc");
6453 } else if (strcmp(argv[1], "all") == 0 ||
6454 strcmp(argv[1], "servers") == 0) {
6456 strcpy(obd_types[0], "osc");
6457 strcpy(obd_types[1], "mdc");
6458 strcpy(obd_types[2], "mgc");
6460 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6465 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6466 if (rc < 0 || mntdir[0] == '\0') {
6468 "%s check: cannot find mounted Lustre filesystem: %s\n",
6469 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6473 rc = llapi_target_check(num_types, obd_types, mntdir);
6475 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6476 progname, argv[1], strerror(-rc));
6482 #ifdef HAVE_SYS_QUOTA_H
6483 #define ARG2INT(nr, str, msg) \
6486 nr = strtol(str, &endp, 0); \
6487 if (*endp != '\0') { \
6488 fprintf(stderr, "%s: bad %s '%s'\n", \
6489 progname, msg, str); \
6494 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
6496 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6497 * returns the value or ULONG_MAX on integer overflow or incorrect format
6499 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6500 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6501 * 3. empty integer value is interpreted as 0
6503 static unsigned long str2sec(const char* timestr)
6505 const char spec[] = "smhdw";
6506 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6507 unsigned long val = 0;
6510 if (strpbrk(timestr, spec) == NULL) {
6511 /* no specifiers inside the time string,
6512 should treat it as an integer value */
6513 val = strtoul(timestr, &tail, 10);
6514 return *tail ? ULONG_MAX : val;
6517 /* format string is XXwXXdXXhXXmXXs */
6523 v = strtoul(timestr, &tail, 10);
6524 if (v == ULONG_MAX || *tail == '\0')
6525 /* value too large (ULONG_MAX or more)
6526 or missing specifier */
6529 ptr = strchr(spec, *tail);
6531 /* unknown specifier */
6536 /* check if product will overflow the type */
6537 if (!(v < ULONG_MAX / mult[ind]))
6540 ADD_OVERFLOW(val, mult[ind] * v);
6541 if (val == ULONG_MAX)
6553 #define ARG2ULL(nr, str, def_units) \
6555 unsigned long long limit, units = def_units; \
6558 rc = llapi_parse_size(str, &limit, &units, 1); \
6560 fprintf(stderr, "%s: invalid limit '%s'\n", \
6567 static inline int has_times_option(int argc, char **argv)
6571 for (i = 1; i < argc; i++)
6572 if (!strcmp(argv[i], "-t"))
6578 static inline int lfs_verify_poolarg(char *pool)
6580 if (strnlen(optarg, LOV_MAXPOOLNAME + 1) > LOV_MAXPOOLNAME) {
6582 "Pool name '%.*s' is longer than %d\n",
6583 LOV_MAXPOOLNAME, pool, LOV_MAXPOOLNAME);
6589 int lfs_setquota_times(int argc, char **argv, struct if_quotactl *qctl)
6592 char *mnt, *obd_type = (char *)qctl->obd_type;
6593 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6594 struct obd_dqinfo *dqi = &qctl->qc_dqinfo;
6595 struct option long_opts[] = {
6596 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6597 { .val = 'g', .name = "group", .has_arg = no_argument },
6598 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6599 { .val = 'p', .name = "projid", .has_arg = no_argument },
6600 { .val = 't', .name = "times", .has_arg = no_argument },
6601 { .val = 'u', .name = "user", .has_arg = no_argument },
6602 { .val = 'o', .name = "pool", .has_arg = required_argument },
6606 qctl->qc_cmd = LUSTRE_Q_SETINFO;
6607 qctl->qc_type = ALLQUOTA;
6609 while ((c = getopt_long(argc, argv, "b:gi:ptuo:",
6610 long_opts, NULL)) != -1) {
6621 if (qctl->qc_type != ALLQUOTA) {
6622 fprintf(stderr, "error: -u/g/p can't be used "
6623 "more than once\n");
6626 qctl->qc_type = qtype;
6629 if (strncmp(optarg, NOTIFY_GRACE,
6630 strlen(NOTIFY_GRACE)) == 0) {
6631 dqi->dqi_bgrace = NOTIFY_GRACE_TIME;
6633 dqi->dqi_bgrace = str2sec(optarg);
6634 if (dqi->dqi_bgrace >= NOTIFY_GRACE_TIME) {
6635 fprintf(stderr, "error: bad "
6636 "block-grace: %s\n", optarg);
6640 dqb->dqb_valid |= QIF_BTIME;
6643 if (strncmp(optarg, NOTIFY_GRACE,
6644 strlen(NOTIFY_GRACE)) == 0) {
6645 dqi->dqi_igrace = NOTIFY_GRACE_TIME;
6647 dqi->dqi_igrace = str2sec(optarg);
6648 if (dqi->dqi_igrace >= NOTIFY_GRACE_TIME) {
6649 fprintf(stderr, "error: bad "
6650 "inode-grace: %s\n", optarg);
6654 dqb->dqb_valid |= QIF_ITIME;
6656 case 't': /* Yes, of course! */
6659 if (lfs_verify_poolarg(optarg))
6662 "Trying to set grace for pool %s\n", optarg);
6663 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
6664 qctl->qc_cmd = LUSTRE_Q_SETINFOPOOL;
6666 /* getopt prints error message for us when opterr != 0 */
6672 if (qctl->qc_type == ALLQUOTA) {
6673 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6677 if (optind != argc - 1) {
6678 fprintf(stderr, "error: unexpected parameters encountered\n");
6683 rc = llapi_quotactl(mnt, qctl);
6686 fprintf(stderr, "%s %s ", obd_type,
6687 obd_uuid2str(&qctl->obd_uuid));
6688 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6695 #define BSLIMIT (1 << 0)
6696 #define BHLIMIT (1 << 1)
6697 #define ISLIMIT (1 << 2)
6698 #define IHLIMIT (1 << 3)
6700 int lfs_setquota(int argc, char **argv)
6703 struct if_quotactl *qctl;
6704 char *mnt, *obd_type;
6705 struct obd_dqblk *dqb;
6706 struct option long_opts[] = {
6707 { .val = 'b', .name = "block-softlimit",
6708 .has_arg = required_argument },
6709 { .val = 'B', .name = "block-hardlimit",
6710 .has_arg = required_argument },
6711 { .val = 'd', .name = "default", .has_arg = no_argument },
6712 { .val = 'g', .name = "group", .has_arg = required_argument },
6713 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6714 { .val = 'i', .name = "inode-softlimit",
6715 .has_arg = required_argument },
6716 { .val = 'I', .name = "inode-hardlimit",
6717 .has_arg = required_argument },
6718 { .val = 'p', .name = "projid", .has_arg = required_argument },
6719 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6720 { .val = 'u', .name = "user", .has_arg = required_argument },
6721 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6722 { .val = 'o', .name = "pool", .has_arg = required_argument },
6724 unsigned limit_mask = 0;
6726 bool use_default = false;
6727 int qtype, qctl_len;
6729 qctl_len = sizeof(*qctl) + LOV_MAXPOOLNAME + 1;
6730 qctl = malloc(qctl_len);
6734 memset(qctl, 0, qctl_len);
6735 obd_type = (char *)qctl->obd_type;
6736 dqb = &qctl->qc_dqblk;
6738 if (has_times_option(argc, argv)) {
6739 rc = lfs_setquota_times(argc, argv, qctl);
6743 qctl->qc_cmd = LUSTRE_Q_SETQUOTA;
6744 qctl->qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6745 * so it can be used as a marker that qc_type
6746 * isn't reinitialized from command line */
6748 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:Uo:",
6749 long_opts, NULL)) != -1) {
6752 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6755 goto quota_type_def;
6758 rc = name2uid(&qctl->qc_id, optarg);
6761 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6764 goto quota_type_def;
6767 rc = name2gid(&qctl->qc_id, optarg);
6770 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6773 goto quota_type_def;
6776 rc = name2projid(&qctl->qc_id, optarg);
6779 qctl->qc_id = strtoul(optarg, &endptr, 10);
6780 if (*endptr != '\0') {
6781 fprintf(stderr, "%s setquota: invalid"
6782 " id '%s'\n", progname, optarg);
6788 if (qctl->qc_id == 0) {
6789 fprintf(stderr, "%s setquota: can't set quota"
6790 " for root usr/group/project.\n",
6797 if (qctl->qc_type != ALLQUOTA) {
6799 "%s setquota: only one of -u, -U, -g,"
6800 " -G, -p or -P may be specified\n",
6805 qctl->qc_type = qtype;
6808 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6812 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6813 dqb->dqb_bsoftlimit >>= 10;
6814 limit_mask |= BSLIMIT;
6815 if (dqb->dqb_bsoftlimit &&
6816 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6818 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6819 "See '%s help setquota' or Lustre manual for details\n",
6821 (unsigned long long)dqb->dqb_bsoftlimit,
6825 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6826 dqb->dqb_bhardlimit >>= 10;
6827 limit_mask |= BHLIMIT;
6828 if (dqb->dqb_bhardlimit &&
6829 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6831 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6832 "See '%s help setquota' or Lustre manual for details\n",
6834 (unsigned long long)dqb->dqb_bhardlimit,
6838 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6839 limit_mask |= ISLIMIT;
6840 if (dqb->dqb_isoftlimit &&
6841 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6843 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6844 "See '%s help setquota' or Lustre manual for details\n",
6846 (unsigned long long)dqb->dqb_isoftlimit,
6850 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6851 limit_mask |= IHLIMIT;
6852 if (dqb->dqb_ihardlimit &&
6853 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6855 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6856 "See '%s help setquota' or Lustre manual for details\n",
6858 (unsigned long long)dqb->dqb_ihardlimit,
6862 if (lfs_verify_poolarg(optarg)) {
6867 "Trying to set quota for pool %s\n", optarg);
6868 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
6869 qctl->qc_cmd = LUSTRE_Q_SETQUOTAPOOL;
6873 "%s setquota: unrecognized option '%s'\n",
6874 progname, argv[optind - 1]);
6880 if (qctl->qc_type == ALLQUOTA) {
6882 "%s setquota: either -u or -g must be specified\n",
6888 if (!use_default && limit_mask == 0) {
6890 "%s setquota: at least one limit must be specified\n",
6896 if (use_default && limit_mask != 0) {
6898 "%s setquota: limits should not be specified when"
6899 " using default quota\n",
6905 if (use_default && qctl->qc_id == 0) {
6907 "%s setquota: can not set default quota for root"
6908 " user/group/project\n",
6914 if (optind != argc - 1) {
6916 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6917 progname, argv[optind]);
6925 dqb->dqb_bhardlimit = 0;
6926 dqb->dqb_bsoftlimit = 0;
6927 dqb->dqb_ihardlimit = 0;
6928 dqb->dqb_isoftlimit = 0;
6931 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6932 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6933 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6934 /* sigh, we can't just set blimits/ilimits */
6935 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6936 .qc_type = qctl->qc_type,
6937 .qc_id = qctl->qc_id};
6939 rc = llapi_quotactl(mnt, &tmp_qctl);
6943 if (!(limit_mask & BHLIMIT))
6944 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6945 if (!(limit_mask & BSLIMIT))
6946 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6947 if (!(limit_mask & IHLIMIT))
6948 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6949 if (!(limit_mask & ISLIMIT))
6950 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6952 /* Keep grace times if we have got no softlimit arguments */
6953 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6954 dqb->dqb_valid |= QIF_BTIME;
6955 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6958 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6959 dqb->dqb_valid |= QIF_ITIME;
6960 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6964 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6965 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6967 rc = llapi_quotactl(mnt, qctl);
6971 "%s setquota: cannot quotactl '%s' '%s': %s",
6973 obd_uuid2str(&qctl->obd_uuid), strerror(-rc));
6980 /* Converts seconds value into format string
6981 * result is returned in buf
6983 * 1. result is in descenting order: 1w2d3h4m5s
6984 * 2. zero fields are not filled (except for p. 3): 5d1s
6985 * 3. zero seconds value is presented as "0s"
6987 static char * __sec2str(time_t seconds, char *buf)
6989 const char spec[] = "smhdw";
6990 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6995 for (i = ARRAY_SIZE(mult) - 1 ; i >= 0; i--) {
6996 c = seconds / mult[i];
6998 if (c > 0 || (i == 0 && buf == tail))
6999 tail += scnprintf(tail, 40-(tail-buf), "%lu%c", c,
7008 static void sec2str(time_t seconds, char *buf, int rc)
7015 tail = __sec2str(seconds, tail);
7017 if (rc && tail - buf < 39) {
7023 static void diff2str(time_t seconds, char *buf, time_t now)
7029 if (seconds <= now) {
7030 strcpy(buf, "none");
7033 __sec2str(seconds - now, buf);
7036 static void print_quota_title(char *name, struct if_quotactl *qctl,
7037 bool human_readable, bool show_default)
7040 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
7041 printf("%15s %8s%8s%8s %8s%8s%8s\n",
7042 "Filesystem", "bquota", "blimit", "bgrace",
7043 "iquota", "ilimit", "igrace");
7045 printf("Disk quotas for %s %s (%cid %u):\n",
7046 qtype_name(qctl->qc_type), name,
7047 *qtype_name(qctl->qc_type), qctl->qc_id);
7048 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
7049 "Filesystem", human_readable ? "used" : "kbytes",
7050 "quota", "limit", "grace",
7051 "files", "quota", "limit", "grace");
7055 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
7058 snprintf(buf, buflen, "%ju", (uintmax_t)num);
7061 snprintf(buf, buflen, "%5.4gP",
7062 (double)num / ((__u64)1 << 40));
7064 snprintf(buf, buflen, "%5.4gT",
7065 (double)num / (1 << 30));
7067 snprintf(buf, buflen, "%5.4gG",
7068 (double)num / (1 << 20));
7070 snprintf(buf, buflen, "%5.4gM",
7071 (double)num / (1 << 10));
7073 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
7077 #define STRBUF_LEN 32
7078 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
7079 int rc, bool h, bool show_default)
7085 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
7086 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ||
7087 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
7088 int bover = 0, iover = 0;
7089 struct obd_dqblk *dqb = &qctl->qc_dqblk;
7090 char numbuf[3][STRBUF_LEN];
7092 char strbuf[STRBUF_LEN];
7094 if (dqb->dqb_bhardlimit &&
7095 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
7097 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
7098 if (dqb->dqb_btime > now) {
7105 if (dqb->dqb_ihardlimit &&
7106 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
7108 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
7109 if (dqb->dqb_itime > now) {
7117 if (strlen(mnt) > 15)
7118 printf("%s\n%15s", mnt, "");
7120 printf("%15s", mnt);
7123 diff2str(dqb->dqb_btime, timebuf, now);
7124 else if (show_default)
7125 snprintf(timebuf, sizeof(timebuf), "%llu",
7126 (unsigned long long)dqb->dqb_btime);
7128 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
7129 strbuf, sizeof(strbuf), h);
7130 if (rc == -EREMOTEIO)
7131 sprintf(numbuf[0], "%s*", strbuf);
7133 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
7134 "%s" : "[%s]", strbuf);
7136 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
7137 if (type == QC_GENERAL)
7138 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
7139 "%s" : "[%s]", strbuf);
7141 sprintf(numbuf[1], "%s", "-");
7143 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
7144 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
7145 "%s" : "[%s]", strbuf);
7148 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
7150 printf(" %7s%c %6s %7s %7s",
7151 numbuf[0], bover ? '*' : ' ', numbuf[1],
7152 numbuf[2], bover > 1 ? timebuf : "-");
7156 diff2str(dqb->dqb_itime, timebuf, now);
7157 else if (show_default)
7158 snprintf(timebuf, sizeof(timebuf), "%llu",
7159 (unsigned long long)dqb->dqb_itime);
7161 snprintf(numbuf[0], sizeof(numbuf),
7162 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
7163 (uintmax_t)dqb->dqb_curinodes);
7165 if (type == QC_GENERAL)
7166 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
7168 (uintmax_t)dqb->dqb_isoftlimit);
7170 sprintf(numbuf[1], "%s", "-");
7172 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
7173 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
7176 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
7177 else if (type != QC_OSTIDX)
7178 printf(" %7s%c %6s %7s %7s",
7179 numbuf[0], iover ? '*' : ' ', numbuf[1],
7180 numbuf[2], iover > 1 ? timebuf : "-");
7182 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
7184 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO || LUSTRE_Q_GETINFOPOOL ||
7185 qctl->qc_cmd == Q_GETOINFO) {
7189 if (qctl->qc_dqinfo.dqi_bgrace == NOTIFY_GRACE_TIME)
7190 strncpy(bgtimebuf, NOTIFY_GRACE, 40);
7192 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
7193 if (qctl->qc_dqinfo.dqi_igrace == NOTIFY_GRACE_TIME)
7194 strncpy(igtimebuf, NOTIFY_GRACE, 40);
7196 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
7198 printf("Block grace time: %s; Inode grace time: %s\n",
7199 bgtimebuf, igtimebuf);
7203 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
7204 bool h, __u64 *total)
7206 int rc = 0, rc1 = 0, count = 0;
7207 __u32 valid = qctl->qc_valid;
7209 /* TODO: for commands LUSTRE_Q_"S\|G"ETQUOTAPOOL we need
7210 * to go only through OSTs that belong to requested pool. */
7211 rc = llapi_get_obd_count(mnt, &count, is_mdt);
7213 fprintf(stderr, "can not get %s count: %s\n",
7214 is_mdt ? "mdt": "ost", strerror(-rc));
7218 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
7219 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
7220 rc = llapi_quotactl(mnt, qctl);
7222 /* It is remote client case. */
7223 if (rc == -EOPNOTSUPP) {
7230 fprintf(stderr, "quotactl %s%d failed.\n",
7231 is_mdt ? "mdt": "ost", qctl->qc_idx);
7235 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
7236 qctl->qc_valid, 0, h, false);
7237 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
7238 qctl->qc_dqblk.dqb_bhardlimit;
7241 qctl->qc_valid = valid;
7245 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
7246 int verbose, int quiet, bool human_readable,
7249 int rc1 = 0, rc2 = 0, rc3 = 0;
7250 char *obd_type = (char *)qctl->obd_type;
7251 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
7252 __u64 total_ialloc = 0, total_balloc = 0;
7253 bool use_default_for_blk = false;
7254 bool use_default_for_file = false;
7257 rc1 = llapi_quotactl(mnt, qctl);
7261 fprintf(stderr, "%s quotas are not enabled.\n",
7262 qtype_name(qctl->qc_type));
7265 fprintf(stderr, "Permission denied.\n");
7268 /* We already got error message. */
7271 fprintf(stderr, "Unexpected quotactl error: %s\n",
7276 if (!show_default && qctl->qc_id == 0) {
7277 qctl->qc_dqblk.dqb_bhardlimit = 0;
7278 qctl->qc_dqblk.dqb_bsoftlimit = 0;
7279 qctl->qc_dqblk.dqb_ihardlimit = 0;
7280 qctl->qc_dqblk.dqb_isoftlimit = 0;
7281 qctl->qc_dqblk.dqb_btime = 0;
7282 qctl->qc_dqblk.dqb_itime = 0;
7283 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
7286 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
7287 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
7288 use_default_for_blk = true;
7289 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
7292 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
7293 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
7294 use_default_for_file = true;
7295 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7298 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7299 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ||
7300 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7301 print_quota_title(name, qctl, human_readable, show_default);
7303 if (rc1 && *obd_type)
7304 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7306 if (qctl->qc_valid != QC_GENERAL)
7309 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7310 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) &&
7311 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7312 (QIF_LIMITS|QIF_USAGE));
7314 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7316 if (!show_default && verbose &&
7317 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO &&
7318 qctl->qc_cmd != LUSTRE_Q_GETINFOPOOL) {
7319 char strbuf[STRBUF_LEN];
7321 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7323 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7325 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7327 printf("Total allocated inode limit: %ju, total "
7328 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
7332 if (use_default_for_blk)
7333 printf("%cid %u is using default block quota setting\n",
7334 *qtype_name(qctl->qc_type), qctl->qc_id);
7336 if (use_default_for_file)
7337 printf("%cid %u is using default file quota setting\n",
7338 *qtype_name(qctl->qc_type), qctl->qc_id);
7340 if (rc1 || rc2 || rc3 || inacc)
7341 printf("Some errors happened when getting quota info. "
7342 "Some devices may be not working or deactivated. "
7343 "The data in \"[]\" is inaccurate.\n");
7357 static int lfs_project(int argc, char **argv)
7359 int ret = 0, err = 0, c, i;
7360 struct project_handle_control phc = { 0 };
7361 enum lfs_project_ops_t op;
7364 phc.assign_projid = false;
7365 /* default action */
7366 op = LFS_PROJECT_LIST;
7368 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7371 if (op != LFS_PROJECT_LIST) {
7373 "%s: cannot specify '-c' '-C' '-s' together\n",
7378 op = LFS_PROJECT_CHECK;
7381 if (op != LFS_PROJECT_LIST) {
7383 "%s: cannot specify '-c' '-C' '-s' together\n",
7388 op = LFS_PROJECT_CLEAR;
7391 if (op != LFS_PROJECT_LIST) {
7393 "%s: cannot specify '-c' '-C' '-s' together\n",
7398 phc.set_inherit = true;
7399 op = LFS_PROJECT_SET;
7405 phc.keep_projid = true;
7408 phc.recursive = true;
7411 phc.projid = strtoul(optarg, NULL, 0);
7412 phc.assign_projid = true;
7416 phc.newline = false;
7419 fprintf(stderr, "%s: invalid option '%c'\n",
7425 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7426 op = LFS_PROJECT_SET;
7427 phc.set_projid = true;
7428 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7429 phc.set_projid = true;
7433 case LFS_PROJECT_CHECK:
7434 if (phc.keep_projid) {
7436 "%s: '-k' is useless together with '-c'\n",
7441 case LFS_PROJECT_CLEAR:
7444 "%s: '-0' is useless together with '-C'\n",
7448 if (phc.assign_projid) {
7450 "%s: '-p' is useless together with '-C'\n",
7455 case LFS_PROJECT_SET:
7458 "%s: '-0' is useless together with '-s'\n",
7462 if (phc.keep_projid) {
7464 "%s: '-k' is useless together with '-s'\n",
7472 "%s: '-0' is useless for list operations\n",
7482 fprintf(stderr, "%s: missing file or directory target(s)\n",
7487 for (i = 0; i < argc; i++) {
7489 case LFS_PROJECT_CHECK:
7490 err = lfs_project_check(argv[i], &phc);
7492 case LFS_PROJECT_LIST:
7493 err = lfs_project_list(argv[i], &phc);
7495 case LFS_PROJECT_CLEAR:
7496 err = lfs_project_clear(argv[i], &phc);
7498 case LFS_PROJECT_SET:
7499 err = lfs_project_set(argv[i], &phc);
7511 static int lfs_quota(int argc, char **argv)
7514 char *mnt, *name = NULL;
7515 struct if_quotactl *qctl;
7517 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7519 __u32 valid = QC_GENERAL, idx = 0;
7520 bool human_readable = false;
7521 bool show_default = false;
7523 struct option long_opts[] = {
7524 { .val = 1, .name = "pool", .has_arg = required_argument },
7527 qctl = calloc(1, sizeof(*qctl) + LOV_MAXPOOLNAME + 1);
7531 qctl->qc_cmd = LUSTRE_Q_GETQUOTA;
7532 qctl->qc_type = ALLQUOTA;
7533 obd_uuid = (char *)qctl->obd_uuid.uuid;
7535 while ((c = getopt_long(argc, argv, "gGi:I:o:pPqtuUvh",
7536 long_opts, NULL)) != -1) {
7539 show_default = true;
7544 show_default = true;
7549 show_default = true;
7553 if (qctl->qc_type != ALLQUOTA) {
7555 "%s quota: only one of -u, -g, or -p may be specified\n",
7560 qctl->qc_type = qtype;
7563 qctl->qc_cmd = LUSTRE_Q_GETINFO;
7566 valid = qctl->qc_valid = QC_UUID;
7567 snprintf(obd_uuid, sizeof(*obd_uuid), "%s", optarg);
7570 valid = qctl->qc_valid = QC_MDTIDX;
7571 idx = qctl->qc_idx = atoi(optarg);
7572 if (idx == 0 && *optarg != '0') {
7574 "%s quota: invalid MDT index '%s'\n",
7581 valid = qctl->qc_valid = QC_OSTIDX;
7582 idx = qctl->qc_idx = atoi(optarg);
7583 if (idx == 0 && *optarg != '0') {
7585 "%s quota: invalid OST index '%s'\n",
7598 human_readable = true;
7601 if (lfs_verify_poolarg(optarg)) {
7605 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
7606 qctl->qc_cmd = qctl->qc_cmd == LUSTRE_Q_GETINFO ?
7607 LUSTRE_Q_GETINFOPOOL :
7608 LUSTRE_Q_GETQUOTAPOOL;
7611 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7612 progname, argv[optind - 1]);
7618 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7619 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7620 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) &&
7621 qctl->qc_type == ALLQUOTA &&
7622 optind == argc - 1 && !show_default) {
7626 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7627 qctl->qc_type = qtype;
7628 qctl->qc_valid = valid;
7629 if (qtype == USRQUOTA) {
7630 qctl->qc_id = geteuid();
7631 rc = uid2name(&name, qctl->qc_id);
7633 qctl->qc_id = getegid();
7634 rc = gid2name(&name, qctl->qc_id);
7635 memset(&qctl->qc_dqblk, 0,
7636 sizeof(qctl->qc_dqblk));
7641 rc1 = get_print_quota(mnt, name, qctl, verbose, quiet,
7642 human_readable, show_default);
7647 /* lfs quota -u username /path/to/lustre/mount */
7648 } else if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7649 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
7650 /* options should be followed by u/g-name and mntpoint */
7651 if ((!show_default && optind + 2 != argc) ||
7652 (show_default && optind + 1 != argc) ||
7653 qctl->qc_type == ALLQUOTA) {
7655 "%s quota: name and mount point must be specified\n",
7661 if (!show_default) {
7662 name = argv[optind++];
7663 switch (qctl->qc_type) {
7665 rc = name2uid(&qctl->qc_id, name);
7668 rc = name2gid(&qctl->qc_id, name);
7671 rc = name2projid(&qctl->qc_id, name);
7678 qctl->qc_valid = QC_GENERAL;
7679 qctl->qc_cmd = LUSTRE_Q_GETDEFAULT;
7684 qctl->qc_id = strtoul(name, &endptr, 10);
7685 if (*endptr != '\0') {
7686 fprintf(stderr, "%s quota: invalid id '%s'\n",
7692 } else if (optind + 1 != argc || qctl->qc_type == ALLQUOTA) {
7693 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7700 rc = get_print_quota(mnt, name, qctl, verbose, quiet,
7701 human_readable, show_default);
7706 #endif /* HAVE_SYS_QUOTA_H! */
7708 static int flushctx_ioctl(char *mp)
7712 fd = open(mp, O_RDONLY);
7714 fprintf(stderr, "flushctx: error open %s: %s\n",
7715 mp, strerror(errno));
7719 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7721 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7722 mp, strerror(errno));
7728 static int lfs_flushctx(int argc, char **argv)
7730 int kdestroy = 0, c;
7731 char mntdir[PATH_MAX] = {'\0'};
7735 while ((c = getopt(argc, argv, "k")) != -1) {
7741 fprintf(stderr, "error: %s: option '-%c' "
7742 "unrecognized\n", argv[0], c);
7748 if ((rc = system("kdestroy > /dev/null")) != 0) {
7749 rc = WEXITSTATUS(rc);
7750 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7754 if (optind >= argc) {
7755 /* flush for all mounted lustre fs. */
7756 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7757 /* Check if we have a mount point */
7758 if (mntdir[0] == '\0')
7761 if (flushctx_ioctl(mntdir))
7764 mntdir[0] = '\0'; /* avoid matching in next loop */
7767 /* flush fs as specified */
7768 while (optind < argc) {
7769 if (flushctx_ioctl(argv[optind++]))
7776 static int lfs_changelog(int argc, char **argv)
7778 void *changelog_priv;
7779 struct changelog_rec *rec;
7780 long long startrec = 0, endrec = 0;
7782 struct option long_opts[] = {
7783 { .val = 'f', .name = "follow", .has_arg = no_argument },
7785 char short_opts[] = "f";
7788 while ((rc = getopt_long(argc, argv, short_opts,
7789 long_opts, NULL)) != -1) {
7796 "%s changelog: unrecognized option '%s'\n",
7797 progname, argv[optind - 1]);
7801 if (optind >= argc) {
7802 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7807 mdd = argv[optind++];
7809 startrec = strtoll(argv[optind++], NULL, 10);
7811 endrec = strtoll(argv[optind++], NULL, 10);
7813 rc = llapi_changelog_start(&changelog_priv,
7814 CHANGELOG_FLAG_BLOCK |
7815 CHANGELOG_FLAG_JOBID |
7816 CHANGELOG_FLAG_EXTRA_FLAGS |
7817 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7820 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7821 progname, strerror(errno = -rc));
7825 rc = llapi_changelog_set_xflags(changelog_priv,
7826 CHANGELOG_EXTRA_FLAG_UIDGID |
7827 CHANGELOG_EXTRA_FLAG_NID |
7828 CHANGELOG_EXTRA_FLAG_OMODE |
7829 CHANGELOG_EXTRA_FLAG_XATTR);
7832 "%s changelog: cannot set xflags for changelog: %s\n",
7833 progname, strerror(errno = -rc));
7837 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7841 if (endrec && rec->cr_index > endrec) {
7842 llapi_changelog_free(&rec);
7845 if (rec->cr_index < startrec) {
7846 llapi_changelog_free(&rec);
7850 secs = rec->cr_time >> 30;
7851 gmtime_r(&secs, &ts);
7852 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7853 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7854 changelog_type2str(rec->cr_type),
7855 ts.tm_hour, ts.tm_min, ts.tm_sec,
7856 (int)(rec->cr_time & ((1 << 30) - 1)),
7857 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7858 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7860 if (rec->cr_flags & CLF_JOBID) {
7861 struct changelog_ext_jobid *jid =
7862 changelog_rec_jobid(rec);
7864 if (jid->cr_jobid[0] != '\0')
7865 printf(" j=%s", jid->cr_jobid);
7868 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7869 struct changelog_ext_extra_flags *ef =
7870 changelog_rec_extra_flags(rec);
7872 printf(" ef=0x%llx",
7873 (unsigned long long)ef->cr_extra_flags);
7875 if (ef->cr_extra_flags & CLFE_UIDGID) {
7876 struct changelog_ext_uidgid *uidgid =
7877 changelog_rec_uidgid(rec);
7879 printf(" u=%llu:%llu",
7880 (unsigned long long)uidgid->cr_uid,
7881 (unsigned long long)uidgid->cr_gid);
7883 if (ef->cr_extra_flags & CLFE_NID) {
7884 struct changelog_ext_nid *nid =
7885 changelog_rec_nid(rec);
7888 libcfs_nid2str(nid->cr_nid));
7891 if (ef->cr_extra_flags & CLFE_OPEN) {
7892 struct changelog_ext_openmode *omd =
7893 changelog_rec_openmode(rec);
7894 char mode[] = "---";
7896 /* exec mode must be exclusive */
7897 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7900 if (omd->cr_openflags & MDS_FMODE_READ)
7902 if (omd->cr_openflags &
7909 if (strcmp(mode, "---") != 0)
7910 printf(" m=%s", mode);
7914 if (ef->cr_extra_flags & CLFE_XATTR) {
7915 struct changelog_ext_xattr *xattr =
7916 changelog_rec_xattr(rec);
7918 if (xattr->cr_xattr[0] != '\0')
7919 printf(" x=%s", xattr->cr_xattr);
7923 if (rec->cr_namelen)
7924 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7925 rec->cr_namelen, changelog_rec_name(rec));
7927 if (rec->cr_flags & CLF_RENAME) {
7928 struct changelog_ext_rename *rnm =
7929 changelog_rec_rename(rec);
7931 if (!fid_is_zero(&rnm->cr_sfid))
7932 printf(" s="DFID" sp="DFID" %.*s",
7933 PFID(&rnm->cr_sfid),
7934 PFID(&rnm->cr_spfid),
7935 (int)changelog_rec_snamelen(rec),
7936 changelog_rec_sname(rec));
7940 llapi_changelog_free(&rec);
7943 llapi_changelog_fini(&changelog_priv);
7946 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7947 progname, strerror(errno = -rc));
7949 return (rc == 1 ? 0 : rc);
7952 static int lfs_changelog_clear(int argc, char **argv)
7960 endrec = strtoll(argv[3], NULL, 10);
7962 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7965 fprintf(stderr, "%s: record out of range: %llu\n",
7967 else if (rc == -ENOENT)
7968 fprintf(stderr, "%s: no changelog user: %s\n",
7971 fprintf(stderr, "%s error: %s\n", argv[0],
7980 static int lfs_fid2path(int argc, char **argv)
7982 struct option long_opts[] = {
7983 { .val = 'c', .name = "cur", .has_arg = no_argument },
7984 { .val = 'l', .name = "link", .has_arg = required_argument },
7985 { .val = 'r', .name = "rec", .has_arg = required_argument },
7987 char short_opts[] = "cl:r:";
7988 char *device, *fid, *path;
7989 long long recno = -1;
7994 char *endptr = NULL;
7996 while ((rc = getopt_long(argc, argv, short_opts,
7997 long_opts, NULL)) != -1) {
8003 linkno = strtol(optarg, &endptr, 10);
8004 if (*endptr != '\0') {
8006 "%s fid2path: invalid linkno '%s'\n",
8012 recno = strtoll(optarg, &endptr, 10);
8013 if (*endptr != '\0') {
8015 "%s fid2path: invalid recno '%s'\n",
8022 "%s fid2path: unrecognized option '%s'\n",
8023 progname, argv[optind - 1]);
8030 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
8035 device = argv[optind++];
8036 path = calloc(1, PATH_MAX);
8040 "%s fid2path: cannot allocate memory for path: %s\n",
8041 progname, strerror(-rc));
8046 while (optind < argc) {
8047 fid = argv[optind++];
8049 lnktmp = (linkno >= 0) ? linkno : 0;
8051 int oldtmp = lnktmp;
8052 long long rectmp = recno;
8054 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
8058 "%s fid2path: cannot find '%s': %s\n",
8059 progname, fid, strerror(errno = -rc2));
8066 fprintf(stdout, "%lld ", rectmp);
8067 if (device[0] == '/') {
8068 fprintf(stdout, "%s", device);
8069 if (device[strlen(device) - 1] != '/')
8070 fprintf(stdout, "/");
8071 } else if (path[0] == '\0') {
8072 fprintf(stdout, "/");
8074 fprintf(stdout, "%s\n", path);
8077 /* specified linkno */
8079 if (oldtmp == lnktmp)
8089 static int lfs_path2fid(int argc, char **argv)
8091 struct option long_opts[] = {
8092 { .val = 'p', .name = "parents", .has_arg = no_argument },
8095 const char short_opts[] = "p";
8096 const char *sep = "";
8099 bool show_parents = false;
8101 while ((rc = getopt_long(argc, argv, short_opts,
8102 long_opts, NULL)) != -1) {
8105 show_parents = true;
8109 "%s path2fid: unrecognized option '%s'\n",
8110 progname, argv[optind - 1]);
8115 if (optind > argc - 1) {
8116 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
8120 else if (optind < argc - 1)
8124 for (path = argv + optind; *path != NULL; path++) {
8126 if (!show_parents) {
8127 err = llapi_path2fid(*path, &fid);
8129 printf("%s%s"DFID"\n",
8130 *sep != '\0' ? *path : "", sep,
8133 char name[NAME_MAX + 1];
8134 unsigned int linkno = 0;
8136 while ((err = llapi_path2parent(*path, linkno, &fid,
8137 name, sizeof(name))) == 0) {
8138 if (*sep != '\0' && linkno == 0)
8139 printf("%s%s", *path, sep);
8141 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
8146 /* err == -ENODATA is end-of-loop */
8147 if (linkno > 0 && err == -ENODATA) {
8155 "%s path2fid: cannot get %sfid for '%s': %s\n",
8156 progname, show_parents ? "parent " : "", *path,
8168 #define MAX_ERRNO 4095
8169 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
8171 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
8175 rc = llapi_rmfid(device, fa);
8177 fprintf(stderr, "rmfid(): rc = %d\n", rc);
8181 for (k = 0; k < fa->fa_nr; k++) {
8182 rc = (__s32)fa->fa_fids[k].f_ver;
8183 if (!IS_ERR_VALUE(rc))
8189 fa->fa_fids[k].f_ver = 0;
8190 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
8191 PFID(&fa->fa_fids[k]), rc);
8197 static int lfs_rmfid(int argc, char **argv)
8199 char *fidstr, *device;
8200 int rc = 0, rc2, nr;
8201 struct fid_array *fa;
8203 if (optind > argc - 1) {
8204 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
8208 device = argv[optind++];
8211 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
8217 while (optind < argc) {
8220 fidstr = argv[optind++];
8221 while (*fidstr == '[')
8223 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
8225 fprintf(stderr, "unrecognized FID: %s\n",
8230 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
8231 /* start another batch */
8232 rc2 = lfs_rmfid_and_show_errors(device, fa);
8239 rc2 = lfs_rmfid_and_show_errors(device, fa);
8247 static int lfs_data_version(int argc, char **argv)
8254 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
8257 fprintf(stderr, "%s data_version: FILE must be specified\n",
8262 while ((c = getopt(argc, argv, "nrw")) != -1) {
8265 data_version_flags = 0;
8268 data_version_flags |= LL_DV_RD_FLUSH;
8271 data_version_flags |= LL_DV_WR_FLUSH;
8275 "%s data_version: unrecognized option '%s'\n",
8276 progname, argv[optind - 1]);
8280 if (optind == argc) {
8281 fprintf(stderr, "%s data_version: FILE must be specified\n",
8286 path = argv[optind];
8287 fd = open(path, O_RDONLY);
8290 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
8291 progname, path, strerror(-rc));
8295 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
8298 "%s data_version: cannot get version for '%s': %s\n",
8299 progname, path, strerror(-rc));
8301 printf("%ju" "\n", (uintmax_t)data_version);
8307 static int lfs_hsm_state(int argc, char **argv)
8312 struct hsm_user_state hus;
8320 rc = llapi_hsm_state_get(path, &hus);
8322 fprintf(stderr, "can't get hsm state for %s: %s\n",
8323 path, strerror(errno = -rc));
8327 /* Display path name and status flags */
8328 printf("%s: (0x%08x)", path, hus.hus_states);
8330 if (hus.hus_states & HS_RELEASED)
8331 printf(" released");
8332 if (hus.hus_states & HS_EXISTS)
8334 if (hus.hus_states & HS_DIRTY)
8336 if (hus.hus_states & HS_ARCHIVED)
8337 printf(" archived");
8338 /* Display user-settable flags */
8339 if (hus.hus_states & HS_NORELEASE)
8340 printf(" never_release");
8341 if (hus.hus_states & HS_NOARCHIVE)
8342 printf(" never_archive");
8343 if (hus.hus_states & HS_LOST)
8344 printf(" lost_from_hsm");
8346 if (hus.hus_archive_id != 0)
8347 printf(", archive_id:%d", hus.hus_archive_id);
8350 } while (++i < argc);
8355 #define LFS_HSM_SET 0
8356 #define LFS_HSM_CLEAR 1
8359 * Generic function to set or clear HSM flags.
8360 * Used by hsm_set and hsm_clear.
8362 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8364 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8366 struct option long_opts[] = {
8367 { .val = 'A', .name = "archived", .has_arg = no_argument },
8368 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8369 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8370 { .val = 'e', .name = "exists", .has_arg = no_argument },
8371 { .val = 'l', .name = "lost", .has_arg = no_argument },
8372 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8373 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8375 char short_opts[] = "lraAdei:";
8379 __u32 archive_id = 0;
8385 while ((c = getopt_long(argc, argv, short_opts,
8386 long_opts, NULL)) != -1) {
8392 mask |= HS_NOARCHIVE;
8395 mask |= HS_ARCHIVED;
8398 mask |= HS_NORELEASE;
8407 archive_id = strtol(optarg, &end, 10);
8409 fprintf(stderr, "invalid archive_id: '%s'\n",
8417 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8418 argv[0], argv[optind - 1]);
8423 /* User should have specified a flag */
8427 while (optind < argc) {
8429 path = argv[optind];
8431 /* If mode == 0, this means we apply the mask. */
8432 if (mode == LFS_HSM_SET)
8433 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8435 rc = llapi_hsm_state_set(path, 0, mask, 0);
8438 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8439 path, strerror(errno = -rc));
8448 static int lfs_hsm_action(int argc, char **argv)
8453 struct hsm_current_action hca;
8454 struct hsm_extent he;
8455 enum hsm_user_action hua;
8456 enum hsm_progress_states hps;
8464 rc = llapi_hsm_current_action(path, &hca);
8466 fprintf(stderr, "can't get hsm action for %s: %s\n",
8467 path, strerror(errno = -rc));
8470 he = hca.hca_location;
8471 hua = hca.hca_action;
8472 hps = hca.hca_state;
8474 printf("%s: %s", path, hsm_user_action2name(hua));
8476 /* Skip file without action */
8477 if (hca.hca_action == HUA_NONE) {
8482 printf(" %s ", hsm_progress_state2name(hps));
8484 if ((hps == HPS_RUNNING) &&
8485 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8486 printf("(%llu bytes moved)\n",
8487 (unsigned long long)he.length);
8488 else if ((he.offset + he.length) == LUSTRE_EOF)
8489 printf("(from %llu to EOF)\n",
8490 (unsigned long long)he.offset);
8492 printf("(from %llu to %llu)\n",
8493 (unsigned long long)he.offset,
8494 (unsigned long long)(he.offset + he.length));
8496 } while (++i < argc);
8501 static int lfs_hsm_set(int argc, char **argv)
8503 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8506 static int lfs_hsm_clear(int argc, char **argv)
8508 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8512 * Check file state and return its fid, to be used by lfs_hsm_request().
8514 * \param[in] file Path to file to check
8515 * \param[in,out] fid Pointer to allocated lu_fid struct.
8516 * \param[in,out] last_dev Pointer to last device id used.
8518 * \return 0 on success.
8520 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8526 rc = lstat(file, &st);
8528 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8531 /* Checking for regular file as archiving as posix copytool
8532 * rejects archiving files other than regular files
8534 if (!S_ISREG(st.st_mode)) {
8535 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8538 /* A request should be ... */
8539 if (*last_dev != st.st_dev && *last_dev != 0) {
8540 fprintf(stderr, "All files should be "
8541 "on the same filesystem: %s\n", file);
8544 *last_dev = st.st_dev;
8546 rc = llapi_path2fid(file, fid);
8548 fprintf(stderr, "Cannot read FID of %s: %s\n",
8549 file, strerror(-rc));
8555 /* Fill an HSM HUR item with a given file name.
8557 * If mntpath is set, then the filename is actually a FID, and no
8558 * lookup on the filesystem will be performed.
8560 * \param[in] hur the user request to fill
8561 * \param[in] idx index of the item inside the HUR to fill
8562 * \param[in] mntpath mountpoint of Lustre
8563 * \param[in] fname filename (if mtnpath is NULL)
8564 * or FID (if mntpath is set)
8565 * \param[in] last_dev pointer to last device id used
8567 * \retval 0 on success
8568 * \retval CMD_HELP or a negative errno on error
8570 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8571 const char *mntpath, const char *fname,
8574 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8577 hui->hui_extent.length = -1;
8579 if (mntpath != NULL) {
8580 rc = llapi_fid_parse(fname, &hui->hui_fid, NULL);
8582 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8585 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8589 hur->hur_request.hr_itemcount++;
8594 static int lfs_hsm_request(int argc, char **argv, int action)
8596 struct option long_opts[] = {
8597 { .val = 'a', .name = "archive", .has_arg = required_argument },
8598 { .val = 'D', .name = "data", .has_arg = required_argument },
8599 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8600 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8603 char short_opts[] = "l:D:a:m:";
8604 struct hsm_user_request *hur, *oldhur;
8609 char *filelist = NULL;
8610 char fullpath[PATH_MAX];
8611 char *opaque = NULL;
8615 int nbfile_alloc = 0;
8616 char *some_file = NULL;
8617 char *mntpath = NULL;
8623 while ((c = getopt_long(argc, argv, short_opts,
8624 long_opts, NULL)) != -1) {
8633 if (action != HUA_ARCHIVE &&
8634 action != HUA_REMOVE) {
8636 "error: -a is supported only "
8637 "when archiving or removing\n");
8640 archive_id = atoi(optarg);
8643 if (some_file == NULL) {
8645 some_file = strdup(optarg);
8651 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8652 argv[0], argv[optind - 1]);
8657 /* All remaining args are files, so we have at least nbfile */
8658 nbfile = argc - optind;
8660 if ((nbfile == 0) && (filelist == NULL))
8664 opaque_len = strlen(opaque);
8666 /* Alloc the request structure with enough place to store all files
8667 * from command line. */
8668 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8670 fprintf(stderr, "Cannot create the request: %s\n",
8674 nbfile_alloc = nbfile;
8676 hur->hur_request.hr_action = action;
8677 hur->hur_request.hr_archive_id = archive_id;
8678 hur->hur_request.hr_flags = 0;
8680 /* All remaining args are files, add them */
8681 if (nbfile != 0 && some_file == NULL)
8682 some_file = strdup(argv[optind]);
8684 for (i = 0; i < nbfile; i++) {
8685 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8691 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8693 /* If a filelist was specified, read the filelist from it. */
8694 if (filelist != NULL) {
8695 fp = fopen(filelist, "r");
8697 fprintf(stderr, "Cannot read the file list %s: %s\n",
8698 filelist, strerror(errno));
8703 while ((rc = getline(&line, &len, fp)) != -1) {
8704 /* If allocated buffer was too small, get something
8706 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8709 nbfile_alloc = nbfile_alloc * 2 + 1;
8711 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8714 fprintf(stderr, "hsm: cannot allocate "
8715 "the request: %s\n",
8722 size = hur_len(oldhur);
8724 fprintf(stderr, "hsm: cannot allocate "
8725 "%u files + %u bytes data\n",
8726 oldhur->hur_request.hr_itemcount,
8727 oldhur->hur_request.hr_data_len);
8734 memcpy(hur, oldhur, size);
8739 if (line[strlen(line) - 1] == '\n')
8740 line[strlen(line) - 1] = '\0';
8742 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8743 mntpath, line, &last_dev);
8749 if (some_file == NULL) {
8759 /* If a --data was used, add it to the request */
8760 hur->hur_request.hr_data_len = opaque_len;
8762 memcpy(hur_data(hur), opaque, opaque_len);
8764 /* Send the HSM request */
8765 if (realpath(some_file, fullpath) == NULL) {
8766 fprintf(stderr, "Could not find path '%s': %s\n",
8767 some_file, strerror(errno));
8769 rc = llapi_hsm_request(fullpath, hur);
8771 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8772 some_file, strerror(-rc));
8782 static int lfs_hsm_archive(int argc, char **argv)
8784 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8787 static int lfs_hsm_restore(int argc, char **argv)
8789 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8792 static int lfs_hsm_release(int argc, char **argv)
8794 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8797 static int lfs_hsm_remove(int argc, char **argv)
8799 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8802 static int lfs_hsm_cancel(int argc, char **argv)
8804 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8807 static int lfs_swap_layouts(int argc, char **argv)
8812 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8813 SWAP_LAYOUTS_KEEP_MTIME |
8814 SWAP_LAYOUTS_KEEP_ATIME);
8817 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8819 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8821 int lfs_get_mode(const char *string)
8823 enum lock_mode_user mode;
8825 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8826 if (lock_mode_names[mode] == NULL)
8828 if (strcmp(string, lock_mode_names[mode]) == 0)
8835 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8837 enum lu_ladvise_type advice;
8840 advice < ARRAY_SIZE(ladvise_names); advice++) {
8841 if (ladvise_names[advice] == NULL)
8843 if (strcmp(string, ladvise_names[advice]) == 0)
8847 return LU_LADVISE_INVALID;
8850 static int lfs_ladvise(int argc, char **argv)
8852 struct option long_opts[] = {
8853 { .val = 'a', .name = "advice", .has_arg = required_argument },
8854 { .val = 'b', .name = "background", .has_arg = no_argument },
8855 { .val = 'e', .name = "end", .has_arg = required_argument },
8856 { .val = 'l', .name = "length", .has_arg = required_argument },
8857 { .val = 'm', .name = "mode", .has_arg = required_argument },
8858 { .val = 's', .name = "start", .has_arg = required_argument },
8859 { .val = 'u', .name = "unset", .has_arg = no_argument },
8861 char short_opts[] = "a:be:l:m:s:u";
8866 struct llapi_lu_ladvise advice;
8867 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8868 unsigned long long start = 0;
8869 unsigned long long end = LUSTRE_EOF;
8870 unsigned long long length = 0;
8871 unsigned long long size_units;
8872 unsigned long long flags = 0;
8876 while ((c = getopt_long(argc, argv, short_opts,
8877 long_opts, NULL)) != -1) {
8880 advice_type = lfs_get_ladvice(optarg);
8881 if (advice_type == LU_LADVISE_INVALID) {
8882 fprintf(stderr, "%s: invalid advice type "
8883 "'%s'\n", argv[0], optarg);
8884 fprintf(stderr, "Valid types:");
8886 for (advice_type = 0;
8887 advice_type < ARRAY_SIZE(ladvise_names);
8889 if (ladvise_names[advice_type] == NULL)
8891 fprintf(stderr, " %s",
8892 ladvise_names[advice_type]);
8894 fprintf(stderr, "\n");
8907 rc = llapi_parse_size(optarg, &end,
8910 fprintf(stderr, "%s: bad end offset '%s'\n",
8917 rc = llapi_parse_size(optarg, &start,
8920 fprintf(stderr, "%s: bad start offset "
8921 "'%s'\n", argv[0], optarg);
8927 rc = llapi_parse_size(optarg, &length,
8930 fprintf(stderr, "%s: bad length '%s'\n",
8936 mode = lfs_get_mode(optarg);
8938 fprintf(stderr, "%s: bad mode '%s', valid "
8939 "modes are READ or WRITE\n",
8947 fprintf(stderr, "%s: option '%s' unrecognized\n",
8948 argv[0], argv[optind - 1]);
8953 if (advice_type == LU_LADVISE_INVALID) {
8954 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8955 fprintf(stderr, "Valid types:");
8956 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8958 if (ladvise_names[advice_type] == NULL)
8960 fprintf(stderr, " %s", ladvise_names[advice_type]);
8962 fprintf(stderr, "\n");
8966 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8967 fprintf(stderr, "%s: Lock no expand advice is a per file "
8968 "descriptor advice, so when called from lfs, "
8969 "it does nothing.\n", argv[0]);
8973 if (argc <= optind) {
8974 fprintf(stderr, "%s: please give one or more file names\n",
8979 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8980 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8985 if (end == LUSTRE_EOF && length != 0)
8986 end = start + length;
8989 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8990 argv[0], start, end);
8994 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8995 fprintf(stderr, "%s: mode is only valid with lockahead\n",
9000 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
9001 fprintf(stderr, "%s: mode is required with lockahead\n",
9006 while (optind < argc) {
9009 path = argv[optind++];
9011 fd = open(path, O_RDONLY);
9013 fprintf(stderr, "%s: cannot open file '%s': %s\n",
9014 argv[0], path, strerror(errno));
9019 advice.lla_start = start;
9020 advice.lla_end = end;
9021 advice.lla_advice = advice_type;
9022 advice.lla_value1 = 0;
9023 advice.lla_value2 = 0;
9024 advice.lla_value3 = 0;
9025 advice.lla_value4 = 0;
9026 if (advice_type == LU_LADVISE_LOCKAHEAD) {
9027 advice.lla_lockahead_mode = mode;
9028 advice.lla_peradvice_flags = flags;
9031 rc2 = llapi_ladvise(fd, flags, 1, &advice);
9034 fprintf(stderr, "%s: cannot give advice '%s' to file "
9035 "'%s': %s\n", argv[0],
9036 ladvise_names[advice_type],
9037 path, strerror(errno));
9043 if (rc == 0 && rc2 < 0)
9049 static const char *const heat_names[] = LU_HEAT_NAMES;
9051 static int lfs_heat_get(int argc, char **argv)
9053 struct lu_heat *heat;
9062 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
9064 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
9069 while (optind < argc) {
9070 path = argv[optind++];
9072 fd = open(path, O_RDONLY);
9074 fprintf(stderr, "%s: cannot open file '%s': %s\n",
9075 argv[0], path, strerror(errno));
9080 heat->lh_count = OBD_HEAT_COUNT;
9081 rc2 = llapi_heat_get(fd, heat);
9084 fprintf(stderr, "%s: cannot get heat of file '%s'"
9085 ": %s\n", argv[0], path, strerror(errno));
9089 printf("flags: %x\n", heat->lh_flags);
9090 for (i = 0; i < heat->lh_count; i++)
9091 printf("%s: %llu\n", heat_names[i],
9092 (unsigned long long)heat->lh_heat[i]);
9094 if (rc == 0 && rc2 < 0)
9102 static int lfs_heat_set(int argc, char **argv)
9104 struct option long_opts[] = {
9105 { .val = 'c', .name = "clear", .has_arg = no_argument },
9106 { .val = 'o', .name = "off", .has_arg = no_argument },
9107 { .val = 'O', .name = "on", .has_arg = no_argument },
9109 enum lu_heat_flag flags = 0;
9119 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
9122 flags |= LU_HEAT_FLAG_CLEAR;
9125 flags |= LU_HEAT_FLAG_CLEAR;
9126 flags |= LU_HEAT_FLAG_OFF;
9129 flags &= ~LU_HEAT_FLAG_OFF;
9134 fprintf(stderr, "%s: option '%s' unrecognized\n",
9135 argv[0], argv[optind - 1]);
9140 if (argc <= optind) {
9141 fprintf(stderr, "%s: please give one or more file names\n",
9146 while (optind < argc) {
9147 path = argv[optind++];
9149 fd = open(path, O_RDONLY);
9151 fprintf(stderr, "%s: cannot open file '%s': %s\n",
9152 argv[0], path, strerror(errno));
9157 rc2 = llapi_heat_set(fd, flags);
9160 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
9161 ": %s\n", argv[0], path, strerror(errno));
9165 if (rc == 0 && rc2 < 0)
9171 /** The input string contains a comma delimited list of component ids and
9172 * ranges, for example "1,2-4,7".
9174 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
9176 bool end_of_loop = false;
9184 while (!end_of_loop) {
9188 char *endptr = NULL;
9191 ptr = strchrnul(arg, ',');
9192 end_of_loop = *ptr == '\0';
9195 start_index = strtol(arg, &endptr, 0);
9196 if (endptr == arg) /* no data at all */
9198 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
9200 if (start_index < 0)
9203 end_index = start_index;
9204 if (*endptr == '-') {
9205 end_index = strtol(endptr + 1, &endptr, 0);
9206 if (*endptr != '\0')
9208 if (end_index < start_index)
9212 for (i = start_index; i <= end_index && size > 0; i++) {
9215 /* remove duplicate */
9216 for (j = 0; j < nr; j++) {
9220 if (j == nr) { /* no duplicate */
9226 if (size == 0 && i < end_index)
9233 if (!end_of_loop && ptr != NULL)
9236 return rc < 0 ? rc : nr;
9240 * struct verify_mirror_id - Mirror id to be verified.
9241 * @mirror_id: A specified mirror id.
9242 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
9244 struct verify_mirror_id {
9250 * compare_mirror_ids() - Compare mirror ids.
9251 * @layout: Mirror component list.
9252 * @cbdata: Callback data in verify_mirror_id structure.
9254 * This is a callback function called by llapi_layout_comp_iterate()
9255 * to compare the specified mirror id with the one in the current
9256 * component of @layout. If they are the same, then the specified
9257 * mirror id is valid.
9259 * Return: a negative error code on failure or
9260 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
9261 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
9264 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
9266 struct verify_mirror_id *mirror_id_cbdata =
9267 (struct verify_mirror_id *)cbdata;
9271 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9275 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9276 progname, strerror(errno));
9280 if (mirror_id_cbdata->mirror_id == mirror_id) {
9281 mirror_id_cbdata->is_valid_id = true;
9282 return LLAPI_LAYOUT_ITER_STOP;
9285 return LLAPI_LAYOUT_ITER_CONT;
9289 * verify_mirror_ids() - Verify specified mirror ids.
9290 * @fname: Mirrored file name.
9291 * @mirror_ids: Specified mirror ids to be verified.
9292 * @ids_nr: Number of specified mirror ids.
9294 * This function verifies that specified @mirror_ids are valid
9295 * in the mirrored file @fname.
9297 * Return: 0 on success or a negative error code on failure.
9300 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
9302 struct llapi_layout *layout = NULL;
9303 struct verify_mirror_id mirror_id_cbdata = { 0 };
9314 if (stat(fname, &stbuf) < 0) {
9315 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9316 progname, fname, strerror(errno));
9321 if (!S_ISREG(stbuf.st_mode)) {
9322 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9328 fd = open(fname, O_DIRECT | O_RDONLY);
9330 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9331 progname, fname, strerror(errno));
9336 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9338 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9339 progname, fname, strerror(errno));
9343 layout = llapi_layout_get_by_fd(fd, 0);
9344 if (layout == NULL) {
9345 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9346 progname, fname, strerror(errno));
9348 llapi_lease_release(fd);
9352 rc = llapi_layout_flags_get(layout, &flr_state);
9354 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9355 progname, fname, strerror(errno));
9360 flr_state &= LCM_FL_FLR_MASK;
9361 switch (flr_state) {
9364 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9365 progname, fname, llapi_layout_flags_string(flr_state));
9372 for (i = 0; i < ids_nr; i++) {
9373 mirror_id_cbdata.mirror_id = mirror_ids[i];
9374 mirror_id_cbdata.is_valid_id = false;
9376 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9381 "%s: '%s' failed to verify mirror id: %u.\n",
9382 progname, fname, mirror_ids[i]);
9386 if (!mirror_id_cbdata.is_valid_id) {
9389 "%s: '%s' invalid specified mirror id: %u.\n",
9390 progname, fname, mirror_ids[i]);
9396 llapi_layout_free(layout);
9397 llapi_lease_release(fd);
9405 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9406 __u16 *mirror_ids, int ids_nr)
9408 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9409 struct llapi_layout *layout;
9420 if (stat(fname, &stbuf) < 0) {
9421 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9422 progname, fname, strerror(errno));
9426 if (!S_ISREG(stbuf.st_mode)) {
9427 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9433 fd = open(fname, O_DIRECT | O_RDWR);
9435 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9436 progname, fname, strerror(errno));
9441 layout = llapi_layout_get_by_fd(fd, 0);
9442 if (layout == NULL) {
9443 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9444 progname, fname, strerror(errno));
9449 rc = llapi_layout_flags_get(layout, &flr_state);
9451 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9452 progname, fname, strerror(errno));
9457 flr_state &= LCM_FL_FLR_MASK;
9458 if (flr_state == LCM_FL_NONE) {
9460 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9465 /* get stale component info */
9466 comp_size = llapi_mirror_find_stale(layout, comp_array,
9467 ARRAY_SIZE(comp_array),
9468 mirror_ids, ids_nr);
9469 if (comp_size <= 0) {
9474 ioc->lil_mode = LL_LEASE_WRLCK;
9475 ioc->lil_flags = LL_LEASE_RESYNC;
9476 rc = llapi_lease_set(fd, ioc);
9478 if (rc == -EALREADY)
9482 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9483 progname, fname, strerror(-rc));
9487 /* get the read range [start, end) */
9488 start = comp_array[0].lrc_start;
9489 end = comp_array[0].lrc_end;
9490 for (idx = 1; idx < comp_size; idx++) {
9491 if (comp_array[idx].lrc_start < start)
9492 start = comp_array[idx].lrc_start;
9493 if (end < comp_array[idx].lrc_end)
9494 end = comp_array[idx].lrc_end;
9497 rc = llapi_lease_check(fd);
9498 if (rc != LL_LEASE_WRLCK) {
9499 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9504 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9507 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9508 progname, fname, strerror(-rc));
9510 /* need to do the lease unlock even resync fails */
9511 ioc->lil_mode = LL_LEASE_UNLCK;
9512 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9514 for (idx = 0; idx < comp_size; idx++) {
9515 if (comp_array[idx].lrc_synced) {
9516 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9521 rc2 = llapi_lease_set(fd, ioc);
9523 * llapi_lease_set returns lease mode when it request to unlock
9527 /* rc2 == 0 means lost lease lock */
9528 if (rc2 == 0 && rc == 0)
9530 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9532 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9536 llapi_layout_free(layout);
9543 static inline int lfs_mirror_resync(int argc, char **argv)
9545 struct ll_ioc_lease *ioc = NULL;
9546 __u16 mirror_ids[128] = { 0 };
9551 struct option long_opts[] = {
9552 { .val = 'o', .name = "only", .has_arg = required_argument },
9555 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9558 rc = parse_mirror_ids(mirror_ids,
9559 sizeof(mirror_ids) / sizeof(__u16),
9563 "%s: bad mirror ids '%s'.\n",
9570 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9571 argv[0], argv[optind - 1]);
9577 if (argc == optind) {
9578 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9583 if (ids_nr > 0 && argc > optind + 1) {
9585 "%s: option '--only' cannot be used upon multiple files.\n",
9593 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9598 /* set the lease on the file */
9599 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9601 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9602 argv[0], strerror(errno));
9607 for (; optind < argc; optind++) {
9608 rc = lfs_mirror_resync_file(argv[optind], ioc,
9609 mirror_ids, ids_nr);
9610 /* ignore previous file's error, continue with next file */
9613 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9621 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9623 struct llapi_layout *layout;
9626 layout = llapi_layout_get_by_fd(fd, 0);
9627 if (layout == NULL) {
9628 fprintf(stderr, "could not get layout.\n");
9632 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9634 fprintf(stderr, "failed to iterate layout\n");
9635 llapi_layout_free(layout);
9638 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9639 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9640 llapi_layout_free(layout);
9644 llapi_layout_free(layout);
9650 * Check whether two files are the same file
9651 * \retval 0 same file
9652 * \retval 1 not the same file
9653 * \retval <0 error code
9655 static inline int check_same_file(int fd, const char *f2)
9660 if (fstat(fd, &stbuf1) < 0)
9663 if (stat(f2, &stbuf2) < 0)
9666 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9667 stbuf1.st_ino == stbuf2.st_ino)
9673 static inline int lfs_mirror_read(int argc, char **argv)
9676 __u16 mirror_id = 0;
9677 const char *outfile = NULL;
9683 const size_t buflen = 4 << 20;
9685 struct option long_opts[] = {
9686 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9687 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9690 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9695 mirror_id = strtoul(optarg, &end, 0);
9696 if (*end != '\0' || mirror_id == 0) {
9698 "%s %s: invalid mirror ID '%s'\n",
9699 progname, argv[0], optarg);
9707 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9708 progname, argv[optind - 1]);
9713 if (argc == optind) {
9714 fprintf(stderr, "%s %s: no mirrored file provided\n",
9717 } else if (argc > optind + 1) {
9718 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9722 if (mirror_id == 0) {
9723 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9728 /* open mirror file */
9729 fname = argv[optind];
9730 fd = open(fname, O_DIRECT | O_RDONLY);
9732 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9733 progname, argv[0], fname, strerror(errno));
9737 /* verify mirror id */
9738 rc = verify_mirror_id_by_fd(fd, mirror_id);
9741 "%s %s: cannot find mirror with ID %u in '%s'\n",
9742 progname, argv[0], mirror_id, fname);
9746 /* open output file - O_EXCL ensures output is not the same as input */
9748 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9750 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9751 progname, argv[0], outfile, strerror(errno));
9756 outfd = STDOUT_FILENO;
9759 /* allocate buffer */
9760 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9762 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9763 progname, argv[0], rc);
9770 ssize_t written = 0;
9772 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9773 if (bytes_read < 0) {
9776 "%s %s: fail to read data from mirror %u: %s\n",
9777 progname, argv[0], mirror_id, strerror(-rc));
9782 if (bytes_read == 0)
9785 while (written < bytes_read) {
9788 written2 = write(outfd, buf + written,
9789 bytes_read - written);
9792 "%s %s: fail to write %s: %s\n",
9793 progname, argv[0], outfile ? : "STDOUT",
9798 written += written2;
9801 if (written != bytes_read) {
9803 "%s %s: written %ld bytes does not match with %ld read.\n",
9804 progname, argv[0], written, bytes_read);
9826 static inline int lfs_mirror_write(int argc, char **argv)
9829 __u16 mirror_id = 0;
9830 const char *inputfile = NULL;
9836 const size_t buflen = 4 << 20;
9838 size_t page_size = sysconf(_SC_PAGESIZE);
9839 struct ll_ioc_lease_id ioc;
9841 struct option long_opts[] = {
9842 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9843 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9846 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9851 mirror_id = strtoul(optarg, &end, 0);
9852 if (*end != '\0' || mirror_id == 0) {
9854 "%s %s: invalid mirror ID '%s'\n",
9855 progname, argv[0], optarg);
9863 fprintf(stderr, "%s: option '%s' unrecognized\n",
9864 progname, argv[optind - 1]);
9869 if (argc == optind) {
9870 fprintf(stderr, "%s %s: no mirrored file provided\n",
9873 } else if (argc > optind + 1) {
9874 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9878 if (mirror_id == 0) {
9879 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9884 /* open mirror file */
9885 fname = argv[optind];
9886 fd = open(fname, O_DIRECT | O_WRONLY);
9888 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9889 progname, argv[0], fname, strerror(errno));
9893 /* verify mirror id */
9894 rc = verify_mirror_id_by_fd(fd, mirror_id);
9897 "%s %s: cannot find mirror with ID %u in '%s'\n",
9898 progname, argv[0], mirror_id, fname);
9902 /* open input file */
9904 rc = check_same_file(fd, inputfile);
9907 "%s %s: input file cannot be the mirrored file\n",
9914 inputfd = open(inputfile, O_RDONLY, 0644);
9916 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9917 progname, argv[0], inputfile, strerror(errno));
9922 inputfd = STDIN_FILENO;
9925 /* allocate buffer */
9926 rc = posix_memalign(&buf, page_size, buflen);
9928 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9929 progname, argv[0], rc);
9933 /* prepare target mirror components instantiation */
9934 ioc.lil_mode = LL_LEASE_WRLCK;
9935 ioc.lil_flags = LL_LEASE_RESYNC;
9936 ioc.lil_mirror_id = mirror_id;
9937 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9940 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9941 progname, argv[0], fname, strerror(errno));
9951 rc = llapi_lease_check(fd);
9952 if (rc != LL_LEASE_WRLCK) {
9953 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9954 progname, argv[0], fname);
9958 bytes_read = read(inputfd, buf, buflen);
9959 if (bytes_read < 0) {
9962 "%s %s: fail to read data from '%s': %s\n",
9963 progname, argv[0], inputfile ? : "STDIN",
9970 if (bytes_read == 0)
9973 /* round up to page align to make direct IO happy. */
9974 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9976 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9981 "%s %s: fail to write to mirror %u: %s\n",
9982 progname, argv[0], mirror_id,
9990 if (pos & (page_size - 1)) {
9991 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9996 ioc.lil_mode = LL_LEASE_UNLCK;
9997 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9999 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
10004 "%s %s: release lease lock of '%s' failed: %s\n",
10005 progname, argv[0], fname, strerror(errno));
10022 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
10024 struct llapi_layout *layout;
10025 struct collect_ids_data cid = { .cid_ids = ids,
10027 .cid_exclude = exclude_id, };
10030 layout = llapi_layout_get_by_fd(fd, 0);
10031 if (layout == NULL) {
10032 fprintf(stderr, "could not get layout\n");
10036 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
10038 fprintf(stderr, "failed to iterate layout\n");
10039 llapi_layout_free(layout);
10043 llapi_layout_free(layout);
10045 return cid.cid_count;
10048 static inline int lfs_mirror_copy(int argc, char **argv)
10051 __u16 read_mirror_id = 0;
10052 __u16 ids[128] = { 0 };
10054 struct llapi_layout *layout = NULL;
10055 struct llapi_resync_comp comp_array[1024] = { { 0 } };
10062 struct ll_ioc_lease *ioc = NULL;
10063 struct ll_ioc_lease_id *resync_ioc;
10065 struct option long_opts[] = {
10066 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
10067 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
10068 { .name = NULL } };
10070 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
10075 read_mirror_id = strtoul(optarg, &end, 0);
10076 if (*end != '\0' || read_mirror_id == 0) {
10078 "%s %s: invalid read mirror ID '%s'\n",
10079 progname, argv[0], optarg);
10084 if (!strcmp(optarg, "-1")) {
10085 /* specify all other mirrors */
10086 ids[0] = (__u16)-1;
10089 count = parse_mirror_ids((__u16 *)ids,
10097 fprintf(stderr, "%s: option '%s' unrecognized\n",
10098 progname, argv[optind - 1]);
10103 if (argc == optind) {
10104 fprintf(stderr, "%s %s: no mirrored file provided\n",
10105 progname, argv[0]);
10107 } else if (argc > optind + 1) {
10108 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
10112 if (read_mirror_id == 0) {
10114 "%s %s: no valid read mirror ID %d is provided\n",
10115 progname, argv[0], read_mirror_id);
10121 "%s %s: no write mirror ID is provided\n",
10122 progname, argv[0]);
10126 for (i = 0; i < count; i++) {
10127 if (read_mirror_id == ids[i]) {
10129 "%s %s: read and write mirror ID cannot be the same\n",
10130 progname, argv[0]);
10135 /* open mirror file */
10136 fname = argv[optind];
10138 fd = open(fname, O_DIRECT | O_RDWR);
10140 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
10141 progname, argv[0], fname, strerror(errno));
10145 /* write to all other mirrors */
10146 if (ids[0] == (__u16)-1) {
10147 count = get_other_mirror_ids(fd, ids, read_mirror_id);
10151 "%s %s: failed to get other mirror ids in '%s': %d\n",
10152 progname, argv[0], fname, rc);
10157 /* verify mirror id */
10158 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
10161 "%s %s: cannot find mirror with ID %u in '%s'\n",
10162 progname, argv[0], read_mirror_id, fname);
10166 for (i = 0; i < count; i++) {
10167 rc = verify_mirror_id_by_fd(fd, ids[i]);
10170 "%s %s: cannot find mirror with ID %u in '%s'\n",
10171 progname, argv[0], ids[i], fname);
10176 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
10179 "%s %s: cannot alloc comp id array for ioc: %s\n",
10180 progname, argv[0], strerror(errno));
10185 /* get stale component info */
10186 layout = llapi_layout_get_by_fd(fd, 0);
10187 if (layout == NULL) {
10188 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
10189 progname, argv[0], fname, strerror(errno));
10193 comp_size = llapi_mirror_find_stale(layout, comp_array,
10194 ARRAY_SIZE(comp_array),
10196 llapi_layout_free(layout);
10197 if (comp_size < 0) {
10202 /* prepare target mirror components instantiation */
10203 resync_ioc = (struct ll_ioc_lease_id *)ioc;
10204 resync_ioc->lil_mode = LL_LEASE_WRLCK;
10205 resync_ioc->lil_flags = LL_LEASE_RESYNC;
10207 resync_ioc->lil_mirror_id = ids[0];
10209 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
10210 rc = llapi_lease_set(fd, ioc);
10213 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
10214 progname, argv[0], fname, strerror(errno));
10218 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
10221 fprintf(stderr, "%s %s: copy error: %d\n",
10222 progname, argv[0], rc);
10226 fprintf(stdout, "mirror copied successfully: ");
10227 for (i = 0; i < copied; i++)
10228 fprintf(stdout, "%d ", ids[i]);
10229 fprintf(stdout, "\n");
10231 ioc->lil_mode = LL_LEASE_UNLCK;
10232 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10233 ioc->lil_count = 0;
10234 for (i = 0; i < comp_size; i++) {
10237 for (j = 0; j < copied; j++) {
10238 if (comp_array[i].lrc_mirror_id != ids[j])
10241 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
10245 rc = llapi_lease_set(fd, ioc);
10250 "%s %s: release lease lock of '%s' failed: %s\n",
10251 progname, argv[0], fname, strerror(errno));
10265 * struct verify_chunk - Mirror chunk to be verified.
10266 * @chunk: [start, end) of the chunk.
10267 * @mirror_count: Number of mirror ids in @mirror_id array.
10268 * @mirror_id: Array of valid mirror ids that cover the chunk.
10270 struct verify_chunk {
10271 struct lu_extent chunk;
10272 unsigned int mirror_count;
10273 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
10277 * print_chunks() - Print chunk information.
10278 * @fname: Mirrored file name.
10279 * @chunks: Array of chunks.
10280 * @chunk_count: Number of chunks in @chunks array.
10282 * This function prints [start, end) of each chunk in @chunks
10283 * for mirrored file @fname, and also prints the valid mirror ids
10284 * that cover the chunk.
10289 void print_chunks(const char *fname, struct verify_chunk *chunks,
10295 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10296 for (i = 0; i < chunk_count; i++) {
10297 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10299 if (chunks[i].mirror_count == 0)
10300 fprintf(stdout, "\t[");
10302 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10303 for (j = 1; j < chunks[i].mirror_count; j++)
10304 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10306 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10308 fprintf(stdout, "\n");
10312 * print_checksums() - Print CRC-32 checksum values.
10313 * @chunk: A chunk and its corresponding valid mirror ids.
10314 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10316 * This function prints CRC-32 checksum values on @chunk for
10317 * each valid mirror that covers it.
10322 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10327 "CRC-32 checksum value for chunk "DEXT":\n",
10328 PEXT(&chunk->chunk));
10329 for (i = 0; i < chunk->mirror_count; i++)
10330 fprintf(stdout, "Mirror %u:\t%#lx\n",
10331 chunk->mirror_id[i], crc[i]);
10332 fprintf(stdout, "\n");
10336 * filter_mirror_id() - Filter specified mirror ids.
10337 * @chunks: Array of chunks.
10338 * @chunk_count: Number of chunks in @chunks array.
10339 * @mirror_ids: Specified mirror ids to be verified.
10340 * @ids_nr: Number of specified mirror ids.
10342 * This function scans valid mirror ids that cover each chunk in @chunks
10343 * and filters specified mirror ids.
10348 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10349 __u16 *mirror_ids, int ids_nr)
10354 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10355 unsigned int valid_count = 0;
10357 for (i = 0; i < chunk_count; i++) {
10358 if (chunks[i].mirror_count == 0)
10362 for (j = 0; j < ids_nr; j++) {
10363 for (k = 0; k < chunks[i].mirror_count; k++) {
10364 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10365 valid_id[valid_count] = mirror_ids[j];
10372 memcpy(chunks[i].mirror_id, valid_id,
10373 sizeof(__u16) * valid_count);
10374 chunks[i].mirror_count = valid_count;
10379 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10380 * @layout: Mirror component list.
10381 * @chunks: Array of chunks.
10382 * @chunks_size: Array size of @chunks.
10384 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10385 * to find out chunk segments and store them in @chunks array.
10387 * The @mirror_id array in each element of @chunks will store the valid
10388 * mirror ids that cover the chunk. If a mirror component covering the
10389 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10390 * will not be stored into the @mirror_id array, and the chunk for that
10391 * mirror will not be verified.
10393 * The @mirror_count in each element of @chunks will store the number of
10394 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10395 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10396 * indicates the chunk is valid in only one mirror. In both cases, the
10397 * chunk will not be verified.
10399 * Here is an example:
10401 * 0 1M 2M 3M 4M EOF
10402 * +------+-------------+--------------------+
10403 * | | | S | mirror1
10404 * +------+------+------+------+-------------+
10405 * | | S | S | | mirror2
10406 * +-------------+------+------+-------------+
10408 * prepared @chunks array will contain 5 elements:
10409 * (([0, 1M), [1, 2], 2),
10410 * ([1M, 2M), [1, 2], 2),
10411 * ([2M, 3M), [1], 1),
10412 * ([3M, 4M], [], 0),
10413 * ([4M, EOF), [2], 1))
10415 * Return: the actual array size of @chunks on success
10416 * or a negative error code on failure.
10419 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10420 struct verify_chunk *chunks,
10421 size_t chunks_size)
10425 uint32_t mirror_id;
10431 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10434 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10437 "%s: move to the first layout component: %s.\n",
10438 progname, strerror(errno));
10444 chunks[idx].chunk.e_end = LUSTRE_EOF;
10446 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10449 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10450 progname, strerror(errno));
10454 if (start > chunks[idx].chunk.e_start ||
10455 end <= chunks[idx].chunk.e_start)
10458 if (end < chunks[idx].chunk.e_end)
10459 chunks[idx].chunk.e_end = end;
10461 rc = llapi_layout_comp_flags_get(layout, &flags);
10464 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10465 progname, strerror(errno));
10469 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10472 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10475 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10476 progname, strerror(errno));
10480 chunks[idx].mirror_id[i] = mirror_id;
10482 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10484 "%s: mirror_id array is too small.\n",
10491 rc = llapi_layout_comp_use(layout,
10492 LLAPI_LAYOUT_COMP_USE_NEXT);
10495 "%s: move to the next layout component: %s.\n",
10496 progname, strerror(errno));
10499 } /* loop through all components */
10501 chunks[idx].mirror_count = i;
10503 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10507 if (idx >= chunks_size) {
10508 fprintf(stderr, "%s: chunks array is too small.\n",
10514 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10518 return rc < 0 ? rc : idx + 1;
10522 * lfs_mirror_verify_chunk() - Verify a chunk.
10523 * @fd: File descriptor of the mirrored file.
10524 * @file_size: Size of the mirrored file.
10525 * @chunk: A chunk and its corresponding valid mirror ids.
10526 * @verbose: Verbose mode.
10528 * This function verifies a @chunk contains exactly the same data
10529 * ammong the mirrors that cover it.
10531 * If @verbose is specified, then the function will print where the
10532 * differences are if the data do not match. Otherwise, it will
10533 * just return an error in that case.
10535 * Return: 0 on success or a negative error code on failure.
10538 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10539 struct verify_chunk *chunk, int verbose)
10541 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10543 size_t page_size = sysconf(_SC_PAGESIZE);
10544 ssize_t bytes_read;
10545 ssize_t bytes_done;
10549 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10553 if (file_size == 0)
10556 rc = posix_memalign(&buf, page_size, buflen);
10557 if (rc) /* error code is returned directly */
10561 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10562 PEXT(&chunk->chunk));
10563 for (i = 0; i < chunk->mirror_count; i++)
10564 fprintf(stdout, " %u", chunk->mirror_id[i]);
10565 fprintf(stdout, "\n");
10569 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10570 pos = chunk->chunk.e_start;
10571 while (bytes_done < count) {
10572 /* compute initial CRC-32 checksum */
10573 crc = crc32(0L, Z_NULL, 0);
10574 memset(crc_array, 0, sizeof(crc_array));
10577 for (i = 0; i < chunk->mirror_count; i++) {
10578 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10580 if (bytes_read < 0) {
10583 "%s: failed to read data from mirror %u: %s.\n",
10584 progname, chunk->mirror_id[i],
10589 /* compute new CRC-32 checksum */
10590 crc_array[i] = crc32(crc, buf, bytes_read);
10594 print_checksums(chunk, crc_array);
10596 /* compare CRC-32 checksum values */
10597 for (i = 1; i < chunk->mirror_count; i++) {
10598 if (crc_array[i] != crc_array[0]) {
10602 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10603 progname, PEXT(&chunk->chunk),
10604 chunk->mirror_id[0],
10605 chunk->mirror_id[i]);
10610 bytes_done += bytes_read;
10613 if (verbose > 1 && rc == 0) {
10614 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10615 PEXT(&chunk->chunk));
10616 for (i = 0; i < chunk->mirror_count; i++)
10617 fprintf(stdout, " %u", chunk->mirror_id[i]);
10618 fprintf(stdout, " PASS\n\n");
10627 * lfs_mirror_verify_file() - Verify a mirrored file.
10628 * @fname: Mirrored file name.
10629 * @mirror_ids: Specified mirror ids to be verified.
10630 * @ids_nr: Number of specified mirror ids.
10631 * @verbose: Verbose mode.
10633 * This function verifies that each SYNC mirror of a mirrored file
10634 * specified by @fname contains exactly the same data.
10636 * If @mirror_ids is specified, then the function will verify the
10637 * mirrors specified by @mirror_ids contain exactly the same data.
10639 * If @verbose is specified, then the function will print where the
10640 * differences are if the data do not match. Otherwise, it will
10641 * just return an error in that case.
10643 * Return: 0 on success or a negative error code on failure.
10646 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10649 struct verify_chunk chunks_array[1024] = { };
10650 struct llapi_layout *layout = NULL;
10652 uint32_t flr_state;
10654 int chunk_count = 0;
10660 if (stat(fname, &stbuf) < 0) {
10661 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10662 progname, fname, strerror(errno));
10667 if (!S_ISREG(stbuf.st_mode)) {
10668 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10674 if (stbuf.st_size == 0) {
10676 fprintf(stdout, "%s: '%s' file size is 0.\n",
10682 fd = open(fname, O_DIRECT | O_RDONLY);
10684 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10685 progname, fname, strerror(errno));
10690 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10692 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10693 progname, fname, strerror(errno));
10697 layout = llapi_layout_get_by_fd(fd, 0);
10698 if (layout == NULL) {
10699 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10700 progname, fname, strerror(errno));
10702 llapi_lease_release(fd);
10706 rc = llapi_layout_flags_get(layout, &flr_state);
10708 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10709 progname, fname, strerror(errno));
10714 flr_state &= LCM_FL_FLR_MASK;
10715 switch (flr_state) {
10718 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10719 progname, fname, llapi_layout_flags_string(flr_state));
10725 /* find out mirror chunks to be verified */
10726 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10727 ARRAY_SIZE(chunks_array));
10728 if (chunk_count < 0) {
10734 /* filter specified mirror ids */
10735 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10738 print_chunks(fname, chunks_array, chunk_count);
10740 for (idx = 0; idx < chunk_count; idx++) {
10741 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10744 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10746 PEXT(&chunks_array[idx].chunk),
10747 (unsigned long long)stbuf.st_size);
10751 if (chunks_array[idx].mirror_count == 0) {
10753 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10755 PEXT(&chunks_array[idx].chunk));
10757 fprintf(stderr, "skipped\n");
10761 fprintf(stderr, "failed\n");
10765 if (chunks_array[idx].mirror_count == 1) {
10768 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10770 PEXT(&chunks_array[idx].chunk),
10771 chunks_array[idx].mirror_id[0]);
10775 rc = llapi_lease_check(fd);
10776 if (rc != LL_LEASE_RDLCK) {
10777 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10782 /* verify one chunk */
10783 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10784 &chunks_array[idx], verbose);
10798 llapi_layout_free(layout);
10799 llapi_lease_release(fd);
10807 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10808 * @argc: The count of lfs mirror verify command line arguments.
10809 * @argv: Array of strings for lfs mirror verify command line arguments.
10811 * This function parses lfs mirror verify command and verifies the
10812 * specified mirrored file(s).
10814 * Return: 0 on success or a negative error code on failure.
10816 static inline int lfs_mirror_verify(int argc, char **argv)
10818 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10824 char cmd[PATH_MAX];
10826 struct option long_opts[] = {
10827 { .val = 'o', .name = "only", .has_arg = required_argument },
10828 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10829 { .name = NULL } };
10831 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10833 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10836 rc = parse_mirror_ids(mirror_ids,
10837 ARRAY_SIZE(mirror_ids),
10841 "%s: bad mirror ids '%s'.\n",
10848 "%s: at least 2 mirror ids needed with '--only' option.\n",
10858 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10859 progname, argv[optind - 1]);
10865 if (argc == optind) {
10866 fprintf(stderr, "%s: no file name given.\n", progname);
10871 if (ids_nr > 0 && argc > optind + 1) {
10873 "%s: '--only' cannot be used upon multiple files.\n",
10881 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10887 for (; optind < argc; optind++) {
10888 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10898 * lfs_mirror() - Parse and execute lfs mirror commands.
10899 * @argc: The count of lfs mirror command line arguments.
10900 * @argv: Array of strings for lfs mirror command line arguments.
10902 * This function parses lfs mirror commands and performs the
10903 * corresponding functions specified in mirror_cmdlist[].
10905 * Return: 0 on success or an error code on failure.
10907 static int lfs_mirror(int argc, char **argv)
10909 char cmd[PATH_MAX];
10912 setlinebuf(stdout);
10914 Parser_init("lfs-mirror > ", mirror_cmdlist);
10916 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10918 program_invocation_short_name = cmd;
10920 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10922 rc = Parser_commands();
10924 return rc < 0 ? -rc : rc;
10927 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10929 #if __BYTE_ORDER == __BIG_ENDIAN
10930 __swab16s(&attrs->lsa_valid);
10931 __swab64s(&attrs->lsa_size);
10932 __swab64s(&attrs->lsa_blocks);
10936 enum lfs_som_type {
10937 LFS_SOM_SIZE = 0x1,
10938 LFS_SOM_BLOCKS = 0x2,
10939 LFS_SOM_FLAGS = 0x4,
10940 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10944 static int lfs_getsom(int argc, char **argv)
10947 struct lustre_som_attrs *attrs;
10948 char buf[sizeof(*attrs) + 64];
10949 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10952 while ((c = getopt(argc, argv, "sbf")) != -1) {
10955 type = LFS_SOM_SIZE;
10958 type = LFS_SOM_BLOCKS;
10961 type = LFS_SOM_FLAGS;
10964 fprintf(stderr, "%s: invalid option '%c'\n",
10974 fprintf(stderr, "%s: %s\n",
10975 progname, argc == 0 ? "miss file target" :
10976 "input more than 2 files");
10981 attrs = (void *)buf;
10982 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10985 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10986 argv[0], strerror(errno), errno);
10990 lustre_som_swab(attrs);
10993 case LFS_SOM_ATTR_ALL:
10994 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10995 path, (unsigned long long)attrs->lsa_size,
10996 (unsigned long long)attrs->lsa_blocks,
11000 printf("%llu\n", (unsigned long long)attrs->lsa_size);
11002 case LFS_SOM_BLOCKS:
11003 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
11005 case LFS_SOM_FLAGS:
11006 printf("%x\n", attrs->lsa_valid);
11009 fprintf(stderr, "%s: unknown option\n", progname);
11017 * lfs_mirror_list_commands() - List lfs mirror commands.
11018 * @argc: The count of command line arguments.
11019 * @argv: Array of strings for command line arguments.
11021 * This function lists lfs mirror commands defined in mirror_cmdlist[].
11023 * Return: 0 on success.
11025 static int lfs_mirror_list_commands(int argc, char **argv)
11027 char buffer[81] = "";
11029 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
11035 static int lfs_pcc_attach(int argc, char **argv)
11037 struct option long_opts[] = {
11038 { .val = 'i', .name = "id", .has_arg = required_argument },
11039 { .name = NULL } };
11042 __u32 archive_id = 0;
11045 char fullpath[PATH_MAX];
11046 enum lu_pcc_type type = LU_PCC_READWRITE;
11049 while ((c = getopt_long(argc, argv, "i:",
11050 long_opts, NULL)) != -1) {
11053 archive_id = strtoul(optarg, &end, 0);
11054 if (*end != '\0' || archive_id == 0) {
11055 fprintf(stderr, "error: %s: bad archive ID "
11056 "'%s'\n", argv[0], optarg);
11063 fprintf(stderr, "%s: option '%s' unrecognized\n",
11064 argv[0], argv[optind - 1]);
11069 if (archive_id == 0) {
11070 fprintf(stderr, "%s: must specify attach ID\n", argv[0]);
11074 if (argc <= optind) {
11075 fprintf(stderr, "%s: must specify one or more file names\n",
11080 while (optind < argc) {
11083 path = argv[optind++];
11084 if (realpath(path, fullpath) == NULL) {
11085 fprintf(stderr, "%s: could not find path '%s': %s\n",
11086 argv[0], path, strerror(errno));
11092 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
11094 fprintf(stderr, "%s: cannot attach '%s' to PCC "
11095 "with archive ID '%u': %s\n", argv[0],
11096 path, archive_id, strerror(-rc2));
11104 static int lfs_pcc_attach_fid(int argc, char **argv)
11106 struct option long_opts[] = {
11107 { .val = 'i', .name = "id", .has_arg = required_argument },
11108 { .val = 'm', .name = "mnt", .has_arg = required_argument },
11109 { .name = NULL } };
11110 char short_opts[] = "i:m:";
11113 __u32 archive_id = 0;
11115 const char *mntpath = NULL;
11116 const char *fidstr;
11117 enum lu_pcc_type type = LU_PCC_READWRITE;
11120 while ((c = getopt_long(argc, argv, short_opts,
11121 long_opts, NULL)) != -1) {
11124 archive_id = strtoul(optarg, &end, 0);
11125 if (*end != '\0') {
11126 fprintf(stderr, "error: %s: bad archive ID "
11127 "'%s'\n", argv[0], optarg);
11137 fprintf(stderr, "%s: option '%s' unrecognized\n",
11138 argv[0], argv[optind - 1]);
11143 if (archive_id == 0) {
11144 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
11148 if (mntpath == NULL) {
11149 fprintf(stderr, "%s: must specify Lustre mount point\n",
11154 if (argc <= optind) {
11155 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
11159 while (optind < argc) {
11162 fidstr = argv[optind++];
11164 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
11167 fprintf(stderr, "%s: cannot attach '%s' on '%s' to PCC "
11168 "with archive ID '%u': %s\n", argv[0],
11169 fidstr, mntpath, archive_id, strerror(rc2));
11171 if (rc == 0 && rc2 < 0)
11177 static int lfs_pcc_detach(int argc, char **argv)
11179 struct option long_opts[] = {
11180 { .val = 'k', .name = "keep", .has_arg = no_argument },
11181 { .name = NULL } };
11182 char short_opts[] = "k";
11186 char fullpath[PATH_MAX];
11187 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11190 while ((c = getopt_long(argc, argv, short_opts,
11191 long_opts, NULL)) != -1) {
11194 detach_opt = PCC_DETACH_OPT_NONE;
11199 fprintf(stderr, "%s: option '%s' unrecognized\n",
11200 argv[0], argv[optind - 1]);
11205 while (optind < argc) {
11208 path = argv[optind++];
11209 if (realpath(path, fullpath) == NULL) {
11210 fprintf(stderr, "%s: could not find path '%s': %s\n",
11211 argv[0], path, strerror(errno));
11217 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
11220 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
11221 "%s\n", argv[0], path, strerror(errno));
11229 static int lfs_pcc_detach_fid(int argc, char **argv)
11231 struct option long_opts[] = {
11232 { .val = 'k', .name = "keep", .has_arg = no_argument },
11233 { .name = NULL } };
11234 char short_opts[] = "k";
11238 const char *mntpath;
11239 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11242 while ((c = getopt_long(argc, argv, short_opts,
11243 long_opts, NULL)) != -1) {
11246 detach_opt = PCC_DETACH_OPT_NONE;
11251 fprintf(stderr, "%s: option '%s' unrecognized\n",
11252 argv[0], argv[optind - 1]);
11257 mntpath = argv[optind++];
11259 while (optind < argc) {
11262 fid = argv[optind++];
11264 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
11266 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
11267 "from PCC: %s\n", argv[0], fid, mntpath,
11276 static int lfs_pcc_state(int argc, char **argv)
11280 char fullpath[PATH_MAX];
11281 struct lu_pcc_state state;
11286 fprintf(stderr, "%s: must specify one or more file names\n",
11291 while (optind < argc) {
11294 path = argv[optind++];
11295 if (realpath(path, fullpath) == NULL) {
11296 fprintf(stderr, "%s: could not find path '%s': %s\n",
11297 argv[0], path, strerror(errno));
11303 rc2 = llapi_pcc_state_get(fullpath, &state);
11307 fprintf(stderr, "%s: cannot get PCC state of '%s': "
11308 "%s\n", argv[0], path, strerror(-rc2));
11312 printf("file: %s", path);
11313 printf(", type: %s", pcc_type2string(state.pccs_type));
11314 if (state.pccs_type == LU_PCC_NONE &&
11315 state.pccs_open_count == 0) {
11320 printf(", PCC file: %s", state.pccs_path);
11321 printf(", user number: %u", state.pccs_open_count);
11322 printf(", flags: %x", state.pccs_flags);
11329 * lfs_pcc_list_commands() - List lfs pcc commands.
11330 * @argc: The count of command line arguments.
11331 * @argv: Array of strings for command line arguments.
11333 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11335 * Return: 0 on success.
11337 static int lfs_pcc_list_commands(int argc, char **argv)
11339 char buffer[81] = "";
11341 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11348 * lfs_pcc() - Parse and execute lfs pcc commands.
11349 * @argc: The count of lfs pcc command line arguments.
11350 * @argv: Array of strings for lfs pcc command line arguments.
11352 * This function parses lfs pcc commands and performs the
11353 * corresponding functions specified in pcc_cmdlist[].
11355 * Return: 0 on success or an error code on failure.
11357 static int lfs_pcc(int argc, char **argv)
11359 char cmd[PATH_MAX];
11362 setlinebuf(stdout);
11364 Parser_init("lfs-pcc > ", pcc_cmdlist);
11366 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11368 program_invocation_short_name = cmd;
11370 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11372 rc = Parser_commands();
11374 return rc < 0 ? -rc : rc;
11377 static int lfs_list_commands(int argc, char **argv)
11379 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11381 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11386 int main(int argc, char **argv)
11390 /* Ensure that liblustreapi constructor has run */
11391 if (!llapi_liblustreapi_initialized())
11392 fprintf(stderr, "liblustreapi was not properly initialized\n");
11394 setlinebuf(stdout);
11397 Parser_init("lfs > ", cmdlist);
11399 progname = program_invocation_short_name; /* Used in error messages */
11401 llapi_set_command_name(argv[1]);
11402 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11403 llapi_clear_command_name();
11405 rc = Parser_commands();
11408 return rc < 0 ? -rc : rc;
11411 #ifdef _LUSTRE_IDL_H_
11412 /* Everything we need here should be included by lustreapi.h. */
11413 # error "lfs should not depend on lustre_idl.h"
11414 #endif /* _LUSTRE_IDL_H_ */