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>
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 " [--layout|-L <pattern>]\n" \
189 " [--mirror_count|-N[mirror_count]]\n" \
190 " [--ost|-o <ost_indices>]\n" \
191 " [--pool|-p <pool_name>]\n" \
192 " [--yaml|-y <yaml_template_file>]\n" \
193 " [--copy=<lustre_src>]\n"
195 #define SSM_HELP_COMMON \
196 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
197 "\t Using -C instead of -c allows overstriping, which\n" \
198 "\t will place more than one stripe per OST if\n" \
199 "\t stripe_count is greater than the number of OSTs\n" \
200 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
201 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
202 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
203 "\t respectively)\n" \
204 "\tpool_name: Name of OST pool to use (default none)\n" \
205 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
206 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
207 "\t Indices be specified in a format of:\n" \
208 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
210 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
211 "\t If --pool is set with --ost then the OSTs\n" \
212 "\t must be the members of the pool.\n" \
213 "\tcomp_end: Extent end of component, start after previous end.\n"\
214 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
215 "\t respectively, -1 for EOF). Must be a multiple of\n"\
216 "\t stripe_size.\n" \
217 "\tyaml_template_file:\n" \
218 "\t YAML layout template file, can't be used with -c,\n" \
219 "\t -i, -S, -p, -o, or -E arguments.\n" \
220 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
221 "\t another lustre file or directory, can't used with\n" \
222 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
224 #define MIRROR_CREATE_HELP \
225 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
226 "\t setstripe layout options\n" \
227 "\t It defaults to 1 if not specified; if specified,\n" \
228 "\t it must follow the option without a space.\n" \
229 "\t The option can also be repeated multiple times to\n" \
230 "\t separate mirrors that have different layouts.\n" \
231 "\tSETSTRIPE_OPTIONS: Mirror layout as with 'setstripe'\n" \
232 "\t It can be a plain layout or a composite layout.\n" \
233 "\t If not specified, the stripe options inherited\n" \
234 "\t from the previous component will be used.\n" \
235 "\tflags: set flags to the component of the current mirror.\n" \
236 "\t Only \"prefer\" flag is supported so far.\n"
238 #define MIRROR_EXTEND_HELP \
240 "\tvictim_file: The layout of victim_file will be split and used\n" \
241 "\t as a mirror added to the mirrored file.\n" \
242 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
243 "\t from victim file(s) in case the victim file(s)\n" \
244 "\t contains the same data as the original mirrored\n" \
247 #define MIRROR_EXTEND_USAGE \
248 " {--mirror-count|-N[mirror_count]}\n" \
249 " [SETSTRIPE_OPTIONS|-f|--file <victim_file>]\n" \
252 #define SETSTRIPE_USAGE \
253 SSM_CMD_COMMON("setstripe") \
254 MIRROR_EXTEND_USAGE \
255 " <directory|filename>\n" \
259 #define MIGRATE_USAGE \
260 SSM_CMD_COMMON("migrate ") \
261 " [--block|-b] [--non-block|-n]\n" \
262 " [--non-direct|-D] [--verbose|-v]\n" \
266 "\tblock: Block file access during data migration (default)\n" \
267 "\tnon-block: Abort migrations if concurrent access is detected\n" \
268 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
269 "\tverbose: Print each filename as it is migrated\n" \
271 #define SETDIRSTRIPE_USAGE \
272 " [--mdt-count|-c stripe_count>\n" \
273 " [--mdt-hash|-H mdt_hash]\n" \
274 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
275 " [--default|-D] [--mode|-o mode] <dir>\n" \
276 "\tstripe_count: stripe count of the striped directory\n" \
277 "\tmdt_index: MDT index of first stripe\n" \
278 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
279 " crush CRUSH hash algorithm (default)\n" \
280 " fnv_1a_64 FNV-1a hash algorithm\n" \
281 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
282 "\tdefault_stripe: set default dirstripe of the directory\n" \
283 "\tmode: the file access permission of the directory (octal)\n" \
284 "To create dir with a foreign (free format) layout :\n" \
285 "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
286 "[--mode|-o mode] [--flags <hex>] <dir>\n" \
287 "\tmode: the mode of the directory\n" \
288 "\tforeign_type: none or daos\n"
291 * command_t mirror_cmdlist - lfs mirror commands.
293 command_t mirror_cmdlist[] = {
294 { .pc_name = "create", .pc_func = lfs_mirror_create,
295 .pc_help = "Create a mirrored file.\n"
296 "usage: lfs mirror create "
297 "<--mirror-count|-N[mirror_count]> "
298 "[SETSTRIPE_OPTIONS] ... <filename|directory> ...\n"
299 MIRROR_CREATE_HELP },
300 { .pc_name = "delete", .pc_func = lfs_mirror_delete,
301 .pc_help = "delete a mirror from a file.\n"
302 "usage: lfs mirror delete {--comp-id|-I <comp_id>|-p <pool>} <mirrored_file> ...\n"
304 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
305 .pc_help = "Extend a mirrored file.\n"
306 "usage: lfs mirror extend "
307 "<--mirror-count|-N[mirror_count]> [--no-verify] "
308 "[SETSTRIPE_OPTIONS|-f <victim_file>] ... <filename> ...\n"
309 MIRROR_EXTEND_HELP },
310 { .pc_name = "split", .pc_func = lfs_mirror_split,
311 .pc_help = "Split a mirrored file.\n"
312 "usage: lfs mirror split <--mirror-id <mirror_id> |\n"
313 "\t <--component-id|-I <comp_id>|-p <pool>> [--destroy|-d]\n"
314 "\t [-f <new_file>] <mirrored_file> ...\n"
315 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
316 "\t can be fetched by lfs getstripe command.\n"
317 "\tcomp_id: Unique component ID within a mirror.\n"
318 "\tpool: Components on specified pool.\n"
319 "\tnew_file: This option indicates the layout of the split\n"
320 "\t mirror will be stored into. If not specified,\n"
321 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
322 "\t will be used.\n" },
323 { .pc_name = "read", .pc_func = lfs_mirror_read,
324 .pc_help = "Read the content of a specified mirror of a file.\n"
325 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
326 "[--outfile|-o <output_file>] <mirrored_file>\n" },
327 { .pc_name = "write", .pc_func = lfs_mirror_write,
328 .pc_help = "Write to a specified mirror of a file.\n"
329 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
330 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
331 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
332 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
333 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
334 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
335 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
336 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
337 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
338 "<mirrored file> [<mirrored file2>...]\n"},
339 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
340 .pc_help = "Verify mirrored file(s).\n"
341 "usage: lfs mirror verify "
342 "[--only <mirror_id,mirror_id2[,...]>] "
343 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
344 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
345 .pc_help = "list commands supported by lfs mirror"},
346 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
347 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
348 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
353 * command_t pcc_cmdlist - lfs pcc commands.
355 command_t pcc_cmdlist[] = {
356 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
357 .pc_help = "Attach given files to the Persistent Client Cache.\n"
358 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
359 "\t-i: archive id for RW-PCC\n" },
360 { .pc_name = "attach_fid", .pc_func = lfs_pcc_attach_fid,
361 .pc_help = "Attach given files into PCC by FID(s).\n"
362 "usage: lfs pcc attach_id <--id|-i NUM> <--mnt|-m mnt> "
364 "\t-i: archive id for RW-PCC\n"
365 "\t-m: Lustre mount point\n" },
366 { .pc_name = "state", .pc_func = lfs_pcc_state,
367 .pc_help = "Display the PCC state for given files.\n"
368 "usage: lfs pcc state <file> ...\n" },
369 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
370 .pc_help = "Detach given files from the Persistent Client Cache.\n"
371 "usage: lfs pcc detach <file> ...\n" },
372 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
373 .pc_help = "Detach given files from PCC by FID(s).\n"
374 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
375 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
376 .pc_help = "list commands supported by lfs pcc"},
377 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
378 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
379 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
383 /* all available commands */
384 command_t cmdlist[] = {
385 {"setstripe", lfs_setstripe, 0,
386 "To create a file with specified striping/composite layout, or\n"
387 "create/replace the default layout on an existing directory:\n"
388 SSM_CMD_COMMON("setstripe")
390 " <directory|filename>\n"
392 "To add component(s) to an existing composite file:\n"
393 SSM_CMD_COMMON("setstripe --component-add")
395 "To totally delete the default striping from an existing directory:\n"
396 "usage: setstripe [--delete|-d] <directory>\n"
398 "To create a mirrored file or set s default mirror layout on a directory:\n"
399 "usage: setstripe {--mirror-count|-N}[mirror_count] [SETSTRIPE_OPTIONS] <directory|filename>\n"
401 "To delete the last component(s) from an existing composite file\n"
402 "(note that this will also delete any data in those components):\n"
403 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
404 " [--component-flags|-F <comp_flags>]\n"
406 "\tcomp_id: Unique component ID to delete\n"
407 "\tcomp_flags: 'init' indicating all instantiated components\n"
408 "\t '^init' indicating all uninstantiated components\n"
409 "\t-I and -F cannot be specified at the same time\n"
410 "To create a file with a foreign (free format) layout:\n"
411 "usage: setstripe --foreign[=<foreign_type>]\n"
412 " --xattr|-x <layout_string> [--flags <hex>]\n"
413 " [--mode <mode>] <filename>\n"},
414 {"getstripe", lfs_getstripe, 0,
415 "To list the layout pattern for a given file or files in a\n"
416 "directory or recursively for all files in a directory tree.\n"
417 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
418 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
419 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
420 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
421 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
422 " [--component-id[=comp_id]|-I[comp_id]]\n"
423 " [--component-flags[=comp_flags]]\n"
424 " [--component-count]\n"
425 " [--extension-size|--ext-size|-z]\n"
426 " [--component-start[=[+-]comp_start]]\n"
427 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
428 " [[!] --mirror-index=[+-]<index> |\n"
429 " [!] --mirror-id=[+-]<id>]\n"
430 " <directory|filename> ..."},
431 {"setdirstripe", lfs_setdirstripe, 0,
432 "To create a striped directory on a specified MDT. This can only\n"
433 "be done on MDT0 with the right of administrator.\n"
434 "usage: setdirstripe [OPTION] <directory>\n"
436 {"getdirstripe", lfs_getdirstripe, 0,
437 "To list the layout pattern info for a given directory\n"
438 "or recursively for all directories in a directory tree.\n"
439 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
440 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
441 " [--recursive|-r] [--yaml|-y]\n"
442 " [--verbose|-v] [--default|-D] <dir> ..."},
443 {"mkdir", lfs_setdirstripe, 0,
444 "To create a striped directory on a specified MDT. This can only\n"
445 "be done on MDT0 with the right of administrator.\n"
446 "usage: mkdir [OPTION] <directory>\n"
448 {"rm_entry", lfs_rmentry, 0,
449 "To remove the name entry of the remote directory. Note: This\n"
450 "command will only delete the name entry, i.e. the remote directory\n"
451 "will become inaccessable after this command. This can only be done\n"
452 "by the administrator\n"
453 "usage: rm_entry <dir>\n"},
454 {"pool_list", lfs_poollist, 0,
455 "List pools or pool OSTs\n"
456 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
457 {"find", lfs_find, 0,
458 "find files matching given attributes recursively in directory tree.\n"
459 "usage: find <directory|filename> ...\n"
460 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
461 " [[!] --mtime|-M [+-]N[smhdwy]] [[!] --blocks|-b N]\n"
462 " [[!] --newer[XY] <reference>]\n"
463 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
464 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
465 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
466 " [[!] --stripe-count|-c [+-]<stripes>]\n"
467 " [[!] --stripe-index|-i <index,...>]\n"
468 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
469 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
470 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
471 " [[!] --projid <projid>]\n"
472 " [[!] --foreign[=<foreign_type>]]\n"
473 " [[!] --layout|-L released,raid0,mdt]\n"
474 " [[!] --foreign[=<foreign_type>]]\n"
475 " [[!] --component-count [+-]<comp_cnt>]\n"
476 " [[!] --component-start [+-]N[kMGTPE]]\n"
477 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
478 " [[!] --component-flags {init,stale,prefer,offline,nosync,extension}]\n"
479 " [[!] --mirror-count|-N [+-]<n>]\n"
480 " [[!] --mirror-state <[^]state>]\n"
481 " [[!] --mdt-count|-T [+-]<stripes>]\n"
482 " [[!] --mdt-hash|-H <hashtype>\n"
483 " [[!] --mdt-index|-m <uuid|index,...>]\n"
484 "\t !: used before an option indicates 'NOT' requested attribute\n"
485 "\t -: used before a value indicates less than requested value\n"
486 "\t +: used before a value indicates more than requested value\n"
487 "\thashtype: hash type of the striped directory.\n"
488 "\t fnv_1a_64 FNV-1a hash algorithm\n"
489 "\t all_char sum of characters % MDT_COUNT\n"},
490 {"check", lfs_check, 0,
491 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
492 "or all the servers (MGTs, MDTs and OSTs).\n"
493 "usage: check <mgts|osts|mdts|all>"},
494 {"osts", lfs_osts, 0, "list OSTs connected to client "
495 "[for specified path only]\n" "usage: osts [path]"},
496 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
497 "[for specified path only]\n" "usage: mdts [path]"},
499 "report filesystem disk space usage or inodes usage "
500 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
501 "Usage: df [--inodes|-i] [--human-readable|-h] [--lazy|-l]\n"
502 " [--pool|-p <fsname>[.<pool>]] [path]"},
503 {"getname", lfs_getname, 0,
504 "list instances and specified mount points [for specified path only]\n"
505 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
506 #ifdef HAVE_SYS_QUOTA_H
507 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
508 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
509 " -b <block-softlimit> -B <block-hardlimit>\n"
510 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
511 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
512 " [--block-softlimit <block-softlimit>]\n"
513 " [--block-hardlimit <block-hardlimit>]\n"
514 " [--inode-softlimit <inode-softlimit>]\n"
515 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
516 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
517 " [--block-grace 'notify'|<block-grace>]\n"
518 " [--inode-grace 'notify'|<inode-grace>] <filesystem>\n"
519 " setquota <-U|-G|-P>\n"
520 " -b <block-softlimit> -B <block-hardlimit>\n"
521 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
522 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
523 " [--block-softlimit <block-softlimit>]\n"
524 " [--block-hardlimit <block-hardlimit>]\n"
525 " [--inode-softlimit <inode-softlimit>]\n"
526 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
527 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
529 " -b can be used instead of --block-softlimit/--block-grace\n"
530 " -B can be used instead of --block-hardlimit\n"
531 " -i can be used instead of --inode-softlimit/--inode-grace\n"
532 " -I can be used instead of --inode-hardlimit\n"
533 " -d can be used instead of --default\n\n"
534 "Note: The total quota space will be split into many qunits and\n"
535 " balanced over all server targets, the minimal qunit size is\n"
536 " 1M bytes for block space and 1K inodes for inode space.\n\n"
537 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
538 " Quota space rebalancing process will stop when this mininum\n"
539 " value is reached. As a result, quota exceeded can be returned\n"
540 " while many targets still have 1MB or 1K inodes of spare\n"
542 " When setting the grace time, 'notify' can be used as grace to\n"
543 " be notified after the quota is over soft limit but prevents\n"
544 " the soft limit from becoming the hard limit."},
545 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
546 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
548 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
549 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
550 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
551 {"project", lfs_project, 0,
552 "Change or list project attribute for specified file or directory.\n"
553 "usage: project [-d|-r] <file|directory...>\n"
554 " list project ID and flags on file(s) or directories\n"
555 " project [-p id] [-s] [-r] <file|directory...>\n"
556 " set project ID and/or inherit flag for specified file(s) or directories\n"
557 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
558 " check project ID and flags on file(s) or directories, print outliers\n"
559 " project -C [-r] [-k] <file|directory...>\n"
560 " clear the project inherit flag and ID on the file or directory\n"
563 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
564 "usage: flushctx [-k] [mountpoint...]"},
565 {"changelog", lfs_changelog, 0,
566 "Show the metadata changes on an MDT."
567 "\nusage: changelog <mdtname> [startrec [endrec]]"},
568 {"changelog_clear", lfs_changelog_clear, 0,
569 "Indicate that old changelog records up to <endrec> are no longer of "
570 "interest to consumer <id>, allowing the system to free up space.\n"
571 "An <endrec> of 0 means all records.\n"
572 "usage: changelog_clear <mdtname> <id> <endrec>"},
573 {"fid2path", lfs_fid2path, 0,
574 "Resolve the full path(s) for given FID(s). For a specific hardlink "
575 "specify link number <linkno>.\n"
576 "usage: fid2path [-c] [--link|-l <linkno>] <fsname|root> <fid> ..."},
577 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
578 "usage: path2fid [--parents] <path> ..."},
579 {"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
580 "usage: rmfid <fsname|rootpath> <fid> ..."},
581 {"data_version", lfs_data_version, 0, "Display file data version for "
582 "a given path.\n" "usage: data_version [-n|-r|-w] <path>"},
583 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
584 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
585 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
586 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
587 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
588 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
590 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
591 "[--archived] [--lost] <file> ..."},
592 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
593 "given files.\n" "usage: hsm_action <file> ..."},
594 {"hsm_archive", lfs_hsm_archive, 0,
595 "Archive file to external storage.\n"
596 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
598 {"hsm_restore", lfs_hsm_restore, 0,
599 "Restore file from external storage.\n"
600 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
601 {"hsm_release", lfs_hsm_release, 0,
602 "Release files from Lustre.\n"
603 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
604 {"hsm_remove", lfs_hsm_remove, 0,
605 "Remove file copy from external storage.\n"
606 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
608 " (FILE [FILE ...] | "
609 "--mntpath MOUNTPATH FID [FID ...])\n"
611 "Note: To remove an archived copy of a file already deleted from a "
613 "--mntpath option and a list of FIDs must be specified"
615 {"hsm_cancel", lfs_hsm_cancel, 0,
616 "Cancel requests related to specified files.\n"
617 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
618 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
619 "usage: swap_layouts <path1> <path2>"},
620 {"migrate", lfs_setstripe_migrate, 0,
621 "migrate a directory between MDTs.\n"
622 "usage: migrate [--mdt-count|-c] <stripe_count>\n"
623 " [--mdt-hash|-H] <hash_type>\n"
624 " [--mdt-index|-m] <start_mdt_index>\n"
627 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
628 " it's the MDT index of first stripe\n"
629 "\tmdt_count: number of MDTs to stripe a directory over\n"
630 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
631 " crush CRUSH hash algorithm (default)\n"
632 " fnv_1a_64 FNV-1a hash algorithm\n"
633 " all_char sum of characters % MDT_COUNT\n"
635 "migrate file objects from one OST "
636 "layout\nto another (may be not safe with concurent writes).\n"
638 "[--stripe-count|-c] <stripe_count>\n"
639 "[--overstripe-count|-C] <stripe_count>\n"
640 " [--stripe-index|-i] <start_ost_index>\n"
641 " [--stripe-size|-S] <stripe_size>\n"
642 " [--pool|-p] <pool_name>\n"
643 " [--ost|-o] <ost_indices>\n"
645 " [--non-block|-n]\n"
646 " [--non-direct|-D]\n"
647 " <file|directory>\n"
648 "\tstripe_count: number of OSTs to stripe a file over\n"
649 "\t Using -C instead of -c allows overstriping, which\n"
650 "\t will place more than one stripe per OST if\n"
651 "\t stripe_count is greater than the number of OSTs\n"
652 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
653 "\tstripe_size: number of bytes to store before moving to the next OST\n"
654 "\tpool_name: name of the predefined pool of OSTs\n"
655 "\tost_indices: OSTs to stripe over, in order\n"
656 "\tblock: Block file access during data migration (default)\n"
657 "\tnon-block: Abort migrations if concurrent access is detected\n"
658 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
660 "To move directories between MDTs. This command is deprecated, "
661 "use \"migrate\" instead.\n"
662 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
664 {"ladvise", lfs_ladvise, 0,
665 "Provide servers with advice about access patterns for a file.\n"
666 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
667 " [--background|-b] [--unset|-u]\n\n"
668 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
669 " {[--mode|-m [READ,WRITE]}\n"
671 {"mirror", lfs_mirror, mirror_cmdlist,
672 "lfs commands used to manage files with mirrored components:\n"
673 "lfs mirror create - create a mirrored file or directory\n"
674 "lfs mirror extend - add mirror(s) to an existing file\n"
675 "lfs mirror split - split a mirror from an existing mirrored file\n"
676 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
677 "lfs mirror read - read a mirror content of a mirrored file\n"
678 "lfs mirror write - write to a mirror of a mirrored file\n"
679 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
680 "lfs mirror verify - verify mirrored file(s)\n"},
681 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
682 "usage: getsom [-s] [-b] [-f] <path>\n"
683 "\t-s: Only show the size value of the SOM data for a given file\n"
684 "\t-b: Only show the blocks value of the SOM data for a given file\n"
685 "\t-f: Only show the flags value of the SOM data for a given file\n"},
686 {"heat_get", lfs_heat_get, 0,
687 "To get heat of files.\n"
688 "usage: heat_get <file> ...\n"},
689 {"heat_set", lfs_heat_set, 0,
690 "To set heat flags of files.\n"
691 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
692 "\t--clear|-c: Clear file heat for given files\n"
693 "\t--off|-o: Turn off file heat for given files\n"
694 "\t--on|-O: Turn on file heat for given files\n"},
695 {"pcc", lfs_pcc, pcc_cmdlist,
696 "lfs commands used to interact with PCC features:\n"
697 "lfs pcc attach - attach given files to Persistent Client Cache\n"
698 "lfs pcc attach_fid - attach given files into PCC by FID(s)\n"
699 "lfs pcc state - display the PCC state for given files\n"
700 "lfs pcc detach - detach given files from Persistent Client Cache\n"
701 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
702 {"help", Parser_help, 0, "help"},
703 {"exit", Parser_quit, 0, "quit"},
704 {"quit", Parser_quit, 0, "quit"},
705 {"--version", Parser_version, 0,
706 "output build version of the utility and exit"},
707 {"--list-commands", lfs_list_commands, 0,
708 "list commands supported by the utility and exit"},
713 static int check_hashtype(const char *hashtype)
717 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
718 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
724 static uint32_t check_foreign_type_name(const char *foreign_type_name)
728 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
729 if (lu_foreign_types[i].lft_name == NULL)
731 if (strcmp(foreign_type_name,
732 lu_foreign_types[i].lft_name) == 0)
733 return lu_foreign_types[i].lft_type;
736 return LU_FOREIGN_TYPE_UNKNOWN;
739 static const char *error_loc = "syserror";
742 MIGRATION_NONBLOCK = 0x0001,
743 MIGRATION_MIRROR = 0x0002,
744 MIGRATION_NONDIRECT = 0x0004,
745 MIGRATION_VERBOSE = 0x0008,
748 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
749 struct llapi_layout *layout);
752 migrate_open_files(const char *name, __u64 migration_flags,
753 const struct llapi_stripe_param *param,
754 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
761 char parent[PATH_MAX];
762 char volatile_file[PATH_MAX];
768 if (param == NULL && layout == NULL) {
769 error_loc = "layout information";
773 /* search for file directory pathname */
774 if (strlen(name) > sizeof(parent) - 1) {
775 error_loc = "source file name";
779 strncpy(parent, name, sizeof(parent));
780 ptr = strrchr(parent, '/');
782 if (getcwd(parent, sizeof(parent)) == NULL) {
783 error_loc = "getcwd";
787 if (ptr == parent) /* leading '/' */
792 /* open file, direct io */
793 /* even if the file is only read, WR mode is nedeed to allow
794 * layout swap on fd */
796 if (!(migration_flags & MIGRATION_NONDIRECT))
798 fd = open(name, rflags);
801 error_loc = "cannot open source file";
805 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
807 error_loc = "cannot get MDT index";
812 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
813 mode_t open_mode = S_IRUSR | S_IWUSR;
815 random_value = random();
816 rc = snprintf(volatile_file, sizeof(volatile_file),
817 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
818 mdt_index, random_value);
819 if (rc >= sizeof(volatile_file)) {
824 /* create, open a volatile file, use caching (ie no directio) */
826 fdv = lfs_component_create(volatile_file, open_flags,
829 fdv = llapi_file_open_param(volatile_file, open_flags,
831 } while (fdv < 0 && (rc = fdv) == -EEXIST);
834 error_loc = "cannot create volatile file";
838 /* In case the MDT does not support creation of volatile files
839 * we should try to unlink it. */
840 (void)unlink(volatile_file);
842 /* Not-owner (root?) special case.
843 * Need to set owner/group of volatile file like original.
844 * This will allow to pass related check during layout_swap.
849 error_loc = "cannot stat source file";
853 rc = fstat(fdv, &stv);
856 error_loc = "cannot stat volatile";
860 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
861 rc = fchown(fdv, st.st_uid, st.st_gid);
864 error_loc = "cannot change ownwership of volatile";
883 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
885 struct llapi_layout *layout;
886 size_t buf_size = 4 * 1024 * 1024;
895 layout = llapi_layout_get_by_fd(fd_src, 0);
896 if (layout != NULL) {
897 uint64_t stripe_size;
899 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
901 buf_size = stripe_size;
903 llapi_layout_free(layout);
906 /* Use a page-aligned buffer for direct I/O */
907 rc = posix_memalign(&buf, getpagesize(), buf_size);
912 /* read new data only if we have written all
913 * previously read data */
916 rc = check_file(fd_src);
921 rsize = read(fd_src, buf, buf_size);
933 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
952 static int migrate_copy_timestamps(int fd, int fdv)
956 if (fstat(fd, &st) == 0) {
957 struct timeval tv[2] = {
958 {.tv_sec = st.st_atime},
959 {.tv_sec = st.st_mtime}
962 return futimes(fdv, tv);
968 static int migrate_block(int fd, int fdv)
975 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
977 error_loc = "cannot get dataversion";
985 /* The grouplock blocks all concurrent accesses to the file.
986 * It has to be taken after llapi_get_data_version as it would
988 rc = llapi_group_lock(fd, gid);
990 error_loc = "cannot get group lock";
994 rc = migrate_copy_data(fd, fdv, NULL);
996 error_loc = "data copy failed";
1000 /* Make sure we keep original atime/mtime values */
1001 rc = migrate_copy_timestamps(fd, fdv);
1003 error_loc = "timestamp copy failed";
1008 * for a migration we need to check data version on file did
1011 * Pass in gid=0 since we already own grouplock. */
1012 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
1013 SWAP_LAYOUTS_CHECK_DV1);
1014 if (rc == -EAGAIN) {
1015 error_loc = "file changed";
1017 } else if (rc < 0) {
1018 error_loc = "cannot swap layout";
1023 rc2 = llapi_group_unlock(fd, gid);
1024 if (rc2 < 0 && rc == 0) {
1025 error_loc = "unlock group lock";
1033 * Internal helper for migrate_copy_data(). Check lease and report error if
1036 * \param[in] fd File descriptor on which to check the lease.
1038 * \retval 0 Migration can keep on going.
1039 * \retval -errno Error occurred, abort migration.
1041 static int check_lease(int fd)
1045 rc = llapi_lease_check(fd);
1047 return 0; /* llapi_check_lease returns > 0 on success. */
1052 static int migrate_nonblock(int fd, int fdv)
1058 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1060 error_loc = "cannot get data version";
1064 rc = migrate_copy_data(fd, fdv, check_lease);
1066 error_loc = "data copy failed";
1070 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1072 error_loc = "cannot get data version";
1078 error_loc = "source file changed";
1082 /* Make sure we keep original atime/mtime values */
1083 rc = migrate_copy_timestamps(fd, fdv);
1085 error_loc = "timestamp copy failed";
1092 static int lfs_component_set(char *fname, int comp_id,
1093 __u32 flags, __u32 neg_flags)
1096 __u32 flags_array[2];
1101 ids[count] = comp_id;
1102 flags_array[count] = flags;
1107 if (neg_flags & LCME_FL_STALE) {
1108 fprintf(stderr, "%s: cannot clear 'stale' flags from "
1109 "component. Please use lfs-mirror-resync(1) "
1110 "instead\n", progname);
1114 ids[count] = comp_id;
1115 flags_array[count] = neg_flags | LCME_FL_NEG;
1119 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1121 if (errno == EUCLEAN) {
1124 "%s: cannot set 'stale' flag on component '%#x' of the last non-stale mirror of '%s'\n",
1125 progname, comp_id, fname);
1128 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1129 progname, comp_id, fname, flags, neg_flags);
1136 static int lfs_component_del(char *fname, __u32 comp_id,
1137 __u32 flags, __u32 neg_flags)
1141 if (flags && neg_flags)
1144 if (!flags && neg_flags)
1145 flags = neg_flags | LCME_FL_NEG;
1147 if ((flags && comp_id) || (!flags && !comp_id))
1151 if (flags & ~LCME_KNOWN_FLAGS) {
1153 "%s setstripe: unknown flags %#x\n",
1157 } else if (comp_id > LCME_ID_MAX) {
1158 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1163 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1166 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1167 progname, comp_id, fname, strerror(errno));
1171 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1178 rc = llapi_layout_file_comp_add(fname, layout);
1180 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1181 fname, strerror(errno));
1185 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1186 struct llapi_layout *layout)
1194 fd = lstat(fname, &st);
1195 if (fd == 0 && S_ISDIR(st.st_mode))
1196 open_flags = O_DIRECTORY | O_RDONLY;
1198 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1200 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1201 S_ISDIR(st.st_mode) ?
1202 "set default composite layout for" :
1203 "create composite file",
1204 fname, strerror(errno));
1208 static int lfs_migrate(char *name, __u64 migration_flags,
1209 struct llapi_stripe_param *param,
1210 struct llapi_layout *layout)
1212 struct llapi_layout *existing;
1213 uint64_t dom_new, dom_cur;
1218 rc = migrate_open_files(name, migration_flags, param, layout,
1223 rc = llapi_layout_dom_size(layout, &dom_new);
1225 error_loc = "cannot get new layout DoM size";
1228 /* special case for migration to DOM layout*/
1229 existing = llapi_layout_get_by_fd(fd, 0);
1231 error_loc = "cannot get existing layout";
1235 rc = llapi_layout_dom_size(existing, &dom_cur);
1237 error_loc = "cannot get current layout DoM size";
1241 /* if file has DoM layout already then migration is possible to
1242 * the new layout with the same DoM component via swap layout,
1243 * if new layout used bigger DOM size, then mirroring is used
1245 if (dom_new > dom_cur) {
1246 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1249 error_loc = "cannot migrate to DOM layout";
1253 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1254 /* Blocking mode (forced if servers do not support file lease).
1255 * It is also the default mode, since we cannot distinguish
1256 * between a broken lease and a server that does not support
1257 * atomic swap/close (LU-6785) */
1258 rc = migrate_block(fd, fdv);
1262 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1264 error_loc = "cannot get lease";
1268 rc = migrate_nonblock(fd, fdv);
1270 llapi_lease_release(fd);
1274 /* Atomically put lease, swap layouts and close.
1275 * for a migration we need to check data version on file did
1277 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1279 error_loc = "cannot swap layout";
1291 fprintf(stderr, "error: %s: %s: %s: %s\n",
1292 progname, name, error_loc, strerror(-rc));
1293 else if (migration_flags & MIGRATION_VERBOSE)
1294 printf("%s\n", name);
1299 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1308 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1312 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1313 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1314 const char *comp_name = comp_flags_table[i].cfn_name;
1316 if (strcmp(name, comp_name) == 0) {
1317 *flags |= comp_flag;
1319 } else if (strncmp(name, "^", 1) == 0 &&
1320 strcmp(name + 1, comp_name) == 0) {
1321 *neg_flags |= comp_flag;
1326 llapi_printf(LLAPI_MSG_ERROR,
1327 "%s: component flag '%s' not supported\n",
1333 if (!*flags && !*neg_flags)
1336 /* don't allow to set and exclude the same flag */
1337 if (*flags & *neg_flags)
1343 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1351 if (strncmp(string, "^", 1) == 0) {
1352 *neg_state = llapi_layout_string_flags(string + 1);
1353 if (*neg_state != 0)
1356 *state = llapi_layout_string_flags(string);
1361 llapi_printf(LLAPI_MSG_ERROR,
1362 "%s: mirrored file state '%s' not supported\n",
1368 * struct mirror_args - Command-line arguments for mirror(s).
1369 * @m_count: Number of mirrors to be created with this layout.
1370 * @m_flags: Mirror level flags, only 'prefer' is supported.
1371 * @m_layout: Mirror layout.
1372 * @m_file: A victim file. Its layout will be split and used as a mirror.
1373 * @m_next: Point to the next node of the list.
1375 * Command-line arguments for mirror(s) will be parsed and stored in
1376 * a linked list that consists of this structure.
1378 struct mirror_args {
1381 struct llapi_layout *m_layout;
1383 struct mirror_args *m_next;
1387 * enum mirror_flags - Flags for extending a mirrored file.
1388 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1389 * in case the victim file(s) contains the same data as the
1390 * original mirrored file.
1391 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1392 * @MF_COMP_ID: specified component id instead of mirror id
1394 * Flags for extending a mirrored file.
1404 * mirror_create_sanity_check() - Check mirror list.
1405 * @list: A linked list that stores the mirror arguments.
1407 * This function does a sanity check on @list for creating
1410 * Return: 0 on success or a negative error code on failure.
1412 static int mirror_create_sanity_check(const char *fname,
1413 struct mirror_args *list)
1416 bool has_m_file = false;
1417 bool has_m_layout = false;
1423 struct llapi_layout *layout;
1425 layout = llapi_layout_get_by_path(fname, 0);
1428 "error: %s: file '%s' couldn't get layout\n",
1433 rc = llapi_layout_sanity(layout, false, true);
1435 llapi_layout_free(layout);
1438 llapi_layout_sanity_perror(rc);
1443 while (list != NULL) {
1444 if (list->m_file != NULL) {
1446 llapi_layout_free(list->m_layout);
1449 llapi_layout_get_by_path(list->m_file, 0);
1450 if (list->m_layout == NULL) {
1452 "error: %s: file '%s' has no layout\n",
1453 progname, list->m_file);
1457 has_m_layout = true;
1458 if (list->m_layout == NULL) {
1459 fprintf(stderr, "error: %s: no mirror layout\n",
1465 rc = llapi_layout_sanity(list->m_layout, false, true);
1467 llapi_layout_sanity_perror(rc);
1471 list = list->m_next;
1474 if (has_m_file && has_m_layout) {
1476 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1484 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1486 __u32 mirror_flags = *(__u32 *)cbdata;
1490 rc = llapi_layout_comp_flags_get(layout, &flags);
1495 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1500 return LLAPI_LAYOUT_ITER_CONT;
1504 * mirror_create() - Create a mirrored file.
1505 * @fname: The file to be created.
1506 * @mirror_list: A linked list that stores the mirror arguments.
1508 * This function creates a mirrored file @fname with the mirror(s)
1509 * from @mirror_list.
1511 * Return: 0 on success or a negative error code on failure.
1513 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1515 struct llapi_layout *layout = NULL;
1516 struct mirror_args *cur_mirror = NULL;
1517 uint16_t mirror_count = 0;
1521 rc = mirror_create_sanity_check(NULL, mirror_list);
1525 cur_mirror = mirror_list;
1526 while (cur_mirror != NULL) {
1527 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1529 &cur_mirror->m_flags);
1532 fprintf(stderr, "%s: failed to set mirror flags\n",
1537 for (i = 0; i < cur_mirror->m_count; i++) {
1538 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1541 fprintf(stderr, "error: %s: "
1542 "merge layout failed: %s\n",
1543 progname, strerror(errno));
1547 mirror_count += cur_mirror->m_count;
1548 cur_mirror = cur_mirror->m_next;
1551 if (layout == NULL) {
1552 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1556 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1559 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1560 progname, strerror(errno));
1564 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1572 llapi_layout_free(layout);
1577 * Compare files and check lease on @fd.
1579 * \retval bytes number of bytes are the same
1581 static ssize_t mirror_file_compare(int fd, int fdv)
1583 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1585 ssize_t bytes_done = 0;
1586 ssize_t bytes_read = 0;
1588 buf = malloc(buflen * 2);
1593 if (!llapi_lease_check(fd)) {
1594 bytes_done = -EBUSY;
1598 bytes_read = read(fd, buf, buflen);
1599 if (bytes_read <= 0)
1602 if (bytes_read != read(fdv, buf + buflen, buflen))
1605 /* XXX: should compute the checksum on each buffer and then
1606 * compare checksum to avoid cache collision */
1607 if (memcmp(buf, buf + buflen, bytes_read))
1610 bytes_done += bytes_read;
1618 static int mirror_extend_file(const char *fname, const char *victim_file,
1619 enum mirror_flags mirror_flags)
1624 struct stat stbuf_v;
1625 struct ll_ioc_lease *data = NULL;
1628 fd = open(fname, O_RDWR);
1630 error_loc = "open source file";
1635 fdv = open(victim_file, O_RDWR);
1637 error_loc = "open target file";
1642 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1643 error_loc = "stat source or target file";
1648 if (stbuf.st_dev != stbuf_v.st_dev) {
1649 error_loc = "stat source and target file";
1654 /* mirrors should be of the same size */
1655 if (stbuf.st_size != stbuf_v.st_size) {
1656 error_loc = "file sizes don't match";
1661 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1663 error_loc = "cannot get lease";
1667 if (!(mirror_flags & MF_NO_VERIFY)) {
1669 /* mirrors should have the same contents */
1670 ret = mirror_file_compare(fd, fdv);
1671 if (ret != stbuf.st_size) {
1672 error_loc = "file busy or contents don't match";
1673 rc = ret < 0 ? ret : -EINVAL;
1678 /* Get rid of caching pages from clients */
1679 rc = llapi_file_flush(fd);
1681 error_loc = "cannot get data version";
1685 rc = llapi_file_flush(fdv);
1687 error_loc = "cannot get data version";
1692 /* Make sure we keep original atime/mtime values */
1693 rc = migrate_copy_timestamps(fd, fdv);
1695 error_loc = "cannot copy timestamp";
1699 /* Atomically put lease, merge layouts and close. */
1700 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1702 error_loc = "memory allocation";
1705 data->lil_mode = LL_LEASE_UNLCK;
1706 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1707 data->lil_count = 1;
1708 data->lil_ids[0] = fdv;
1709 rc = llapi_lease_set(fd, data);
1711 error_loc = "cannot merge layout";
1713 } else if (rc == 0) {
1715 error_loc = "lost lease lock";
1728 (void) unlink(victim_file);
1730 fprintf(stderr, "error: %s: %s: %s: %s\n",
1731 progname, fname, error_loc, strerror(-rc));
1735 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1737 struct ll_ioc_lease *data = NULL;
1742 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1746 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1748 error_loc = "cannot get lease";
1752 rc = migrate_nonblock(fd, fdv);
1754 llapi_lease_release(fd);
1758 /* Atomically put lease, merge layouts and close. */
1759 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1761 error_loc = "memory allocation";
1764 data->lil_mode = LL_LEASE_UNLCK;
1765 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1766 data->lil_count = 1;
1767 data->lil_ids[0] = fdv;
1768 rc = llapi_lease_set(fd, data);
1770 error_loc = "cannot merge layout";
1772 } else if (rc == 0) {
1774 error_loc = "lost lease lock";
1787 fprintf(stderr, "error: %s: %s: %s: %s\n",
1788 progname, name, error_loc, strerror(-rc));
1792 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1793 enum mirror_flags mirror_flags)
1797 rc = mirror_create_sanity_check(fname, mirror_list);
1801 while (mirror_list) {
1802 if (mirror_list->m_file != NULL) {
1803 rc = mirror_extend_file(fname, mirror_list->m_file,
1806 __u32 mirror_count = mirror_list->m_count;
1808 while (mirror_count > 0) {
1809 rc = mirror_extend_layout(fname,
1810 mirror_list->m_layout);
1820 mirror_list = mirror_list->m_next;
1826 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1831 rc = llapi_layout_mirror_id_get(layout, &id);
1835 if ((__u16)id == *(__u16 *)cbdata)
1836 return LLAPI_LAYOUT_ITER_STOP;
1838 return LLAPI_LAYOUT_ITER_CONT;
1841 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1846 rc = llapi_layout_comp_id_get(layout, &id);
1850 if (id == *(__u32 *)cbdata)
1851 return LLAPI_LAYOUT_ITER_STOP;
1853 return LLAPI_LAYOUT_ITER_CONT;
1856 struct pool_to_id_cbdata {
1860 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
1862 char buf[LOV_MAXPOOLNAME + 1];
1863 struct pool_to_id_cbdata *d = (void *)cbdata;
1867 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
1870 if (strcmp(d->pool, buf))
1871 return LLAPI_LAYOUT_ITER_CONT;
1873 rc = llapi_layout_mirror_id_get(layout, &id);
1878 return LLAPI_LAYOUT_ITER_STOP;
1881 struct collect_ids_data {
1887 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
1889 struct collect_ids_data *cid = cbdata;
1893 rc = llapi_layout_mirror_id_get(layout, &id);
1897 if ((__u16)id != cid->cid_exclude) {
1900 for (i = 0; i < cid->cid_count; i++) {
1901 /* already collected the mirror id */
1902 if (id == cid->cid_ids[i])
1903 return LLAPI_LAYOUT_ITER_CONT;
1905 cid->cid_ids[cid->cid_count] = id;
1909 return LLAPI_LAYOUT_ITER_CONT;
1913 * last_non_stale_mirror() - Check if a mirror is the last non-stale mirror.
1914 * @mirror_id: Mirror id to be checked.
1915 * @layout: Mirror component list.
1917 * This function checks if a mirror with specified @mirror_id is the last
1918 * non-stale mirror of a layout @layout.
1920 * Return: true or false.
1923 bool last_non_stale_mirror(__u16 mirror_id, struct llapi_layout *layout)
1925 __u16 mirror_ids[128] = { 0 };
1926 struct collect_ids_data cid = { .cid_ids = mirror_ids,
1928 .cid_exclude = mirror_id, };
1931 llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
1933 for (i = 0; i < cid.cid_count; i++) {
1934 struct llapi_resync_comp comp_array[1024] = { { 0 } };
1937 comp_size = llapi_mirror_find_stale(layout, comp_array,
1938 ARRAY_SIZE(comp_array),
1947 static int mirror_split(const char *fname, __u32 id, const char *pool,
1948 enum mirror_flags mflags, const char *victim_file)
1950 struct llapi_layout *layout;
1951 char parent[PATH_MAX];
1952 char victim[PATH_MAX];
1953 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1955 struct ll_ioc_lease *data;
1956 uint16_t mirror_count;
1961 /* check fname contains mirror with mirror_id/comp_id */
1962 layout = llapi_layout_get_by_path(fname, 0);
1965 "error %s: file '%s' couldn't get layout\n",
1970 rc = llapi_layout_sanity(layout, false, true);
1972 llapi_layout_sanity_perror(rc);
1976 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1979 "error %s: file '%s' couldn't get mirror count\n",
1983 if (mirror_count < 2) {
1985 "error %s: file '%s' has %d component, cannot split\n",
1986 progname, fname, mirror_count);
1990 if (mflags & MF_COMP_POOL) {
1991 struct pool_to_id_cbdata data = { .pool = pool };
1993 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool,
1996 } else if (mflags & MF_COMP_ID) {
1997 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1998 id = mirror_id_of(id);
2000 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
2003 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
2006 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
2008 "error %s: file '%s' does not contain mirror with id %u\n",
2009 progname, fname, id);
2013 fd = open(fname, O_RDWR);
2016 "error %s: open file '%s' failed: %s\n",
2017 progname, fname, strerror(errno));
2021 /* get victim file directory pathname */
2022 if (strlen(fname) > sizeof(parent) - 1) {
2023 fprintf(stderr, "error %s: file name of '%s' too long\n",
2028 strncpy(parent, fname, sizeof(parent));
2029 ptr = strrchr(parent, '/');
2031 if (getcwd(parent, sizeof(parent)) == NULL) {
2032 fprintf(stderr, "error %s: getcwd failed: %s\n",
2033 progname, strerror(errno));
2043 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
2045 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
2050 if (victim_file == NULL) {
2051 /* use a temp file to store the splitted layout */
2052 if (mflags & MF_DESTROY) {
2053 if (last_non_stale_mirror(id, layout)) {
2056 "%s: cannot destroy the last non-stale mirror of file '%s'\n",
2061 fdv = llapi_create_volatile_idx(parent, mdt_index,
2062 O_LOV_DELAY_CREATE);
2064 snprintf(victim, sizeof(victim), "%s.mirror~%u",
2066 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
2069 /* user specified victim file */
2070 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
2075 "error %s: create victim file failed: %s\n",
2076 progname, strerror(errno));
2080 /* get lease lock of fname */
2081 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
2084 "error %s: cannot get lease of file '%s': %d\n",
2085 progname, fname, rc);
2089 /* Atomatically put lease, split layouts and close. */
2090 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2096 data->lil_mode = LL_LEASE_UNLCK;
2097 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2098 data->lil_count = 2;
2099 data->lil_ids[0] = fdv;
2100 data->lil_ids[1] = id;
2101 rc = llapi_lease_set(fd, data);
2103 if (rc == 0) /* lost lease lock */
2106 "error %s: cannot split '%s': %s\n",
2107 progname, fname, strerror(-rc));
2118 llapi_layout_free(layout);
2123 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2124 __u16 *mirror_ids, int ids_nr);
2126 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2127 __u64 migration_flags,
2128 struct llapi_stripe_param *param,
2129 struct llapi_layout *layout)
2131 struct ll_ioc_lease *data = NULL;
2134 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2136 error_loc = "cannot get lease";
2140 /* Atomically put lease, merge layouts, resync and close. */
2141 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2143 error_loc = "memory allocation";
2146 data->lil_mode = LL_LEASE_UNLCK;
2147 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2148 data->lil_count = 1;
2149 data->lil_ids[0] = fdv;
2150 rc = llapi_lease_set(fd, data);
2152 error_loc = "cannot merge layout";
2154 } else if (rc == 0) {
2156 error_loc = "lost lease lock";
2162 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2164 error_loc = "cannot resync file";
2168 /* delete first mirror now */
2169 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2171 error_loc = "cannot delete old layout";
2179 fprintf(stderr, "error: %s: %s: %s: %s\n",
2180 progname, name, error_loc, strerror(-rc));
2181 else if (migration_flags & MIGRATION_VERBOSE)
2182 printf("%s\n", name);
2189 * Parse a string containing an target index list into an array of integers.
2191 * The input string contains a comma delimited list of individual
2192 * indices and ranges, for example "1,2-4,7". Add the indices into the
2193 * \a tgts array and remove duplicates.
2195 * \param[out] tgts array to store indices in
2196 * \param[in] size size of \a tgts array
2197 * \param[in] offset starting index in \a tgts
2198 * \param[in] arg string containing OST index list
2199 * \param[in/out] overstriping index list may contain duplicates
2201 * \retval positive number of indices in \a tgts
2202 * \retval -EINVAL unable to parse \a arg
2204 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2205 unsigned long long *pattern)
2209 int slots = size - offset;
2211 bool overstriped = false;
2217 end_of_loop = false;
2218 while (!end_of_loop) {
2219 int start_index = 0;
2222 char *endptr = NULL;
2226 ptr = strchrnul(arg, ',');
2228 end_of_loop = *ptr == '\0';
2231 start_index = strtol(arg, &endptr, 0);
2232 if (endptr == arg) /* no data at all */
2234 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2237 end_index = start_index;
2238 if (*endptr == '-') {
2239 end_index = strtol(endptr + 1, &endptr, 0);
2240 if (*endptr != '\0')
2242 if (end_index < start_index)
2246 for (i = start_index; i <= end_index && slots > 0; i++) {
2249 /* remove duplicate */
2250 for (j = 0; j < offset; j++) {
2251 if (tgts[j] == i && pattern &&
2252 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2254 else if (tgts[j] == i)
2260 if (j == offset) { /* check complete */
2266 if (slots == 0 && i < end_index)
2274 if (!end_of_loop && ptr != NULL)
2277 if (!overstriped && pattern)
2278 *pattern = LLAPI_LAYOUT_DEFAULT;
2280 return rc < 0 ? rc : nr;
2283 struct lfs_setstripe_args {
2284 unsigned long long lsa_comp_end;
2285 unsigned long long lsa_stripe_size;
2286 unsigned long long lsa_extension_size;
2287 long long lsa_stripe_count;
2288 long long lsa_stripe_off;
2289 __u32 lsa_comp_flags;
2290 __u32 lsa_comp_neg_flags;
2291 unsigned long long lsa_pattern;
2292 unsigned int lsa_mirror_count;
2294 bool lsa_first_comp;
2295 bool lsa_extension_comp;
2297 char *lsa_pool_name;
2300 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2302 unsigned int mirror_count = lsa->lsa_mirror_count;
2303 bool first_comp = lsa->lsa_first_comp;
2305 memset(lsa, 0, sizeof(*lsa));
2307 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2308 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2309 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2310 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2311 lsa->lsa_pool_name = NULL;
2313 lsa->lsa_mirror_count = mirror_count;
2314 lsa->lsa_first_comp = first_comp;
2318 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2319 * @lsa: Stripe options to be initialized and inherited.
2321 * This function initializes stripe options in @lsa and inherit
2322 * stripe_size, stripe_count and OST pool_name options.
2326 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2328 unsigned long long stripe_size;
2329 long long stripe_count;
2330 char *pool_name = NULL;
2332 stripe_size = lsa->lsa_stripe_size;
2333 stripe_count = lsa->lsa_stripe_count;
2334 pool_name = lsa->lsa_pool_name;
2336 setstripe_args_init(lsa);
2338 lsa->lsa_stripe_size = stripe_size;
2339 lsa->lsa_stripe_count = stripe_count;
2340 lsa->lsa_pool_name = pool_name;
2343 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2345 return (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_comp_end != 0);
2353 * comp_args_to_layout() - Create or extend a composite layout.
2354 * @composite: Pointer to the composite layout.
2355 * @lsa: Stripe options for the new component.
2357 * This function creates or extends a composite layout by adding a new
2358 * component with stripe options from @lsa.
2360 * Return: 0 on success or an error code on failure.
2362 static int comp_args_to_layout(struct llapi_layout **composite,
2363 struct lfs_setstripe_args *lsa,
2366 struct llapi_layout *layout = *composite;
2367 uint64_t prev_end = 0;
2372 if (layout == NULL) {
2373 layout = llapi_layout_alloc();
2374 if (layout == NULL) {
2375 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2380 *composite = layout;
2381 lsa->lsa_first_comp = true;
2385 /* Get current component extent, current component
2386 * must be the tail component. */
2387 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2389 fprintf(stderr, "Get comp extent failed. %s\n",
2394 if (lsa->lsa_first_comp)
2397 if (lsa->lsa_first_comp)
2398 rc = llapi_layout_add_first_comp(layout);
2400 rc = llapi_layout_comp_add(layout);
2402 fprintf(stderr, "Add component failed. %s\n",
2408 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2410 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2411 lsa->lsa_comp_flags, strerror(errno));
2416 uint64_t comp_end = lsa->lsa_comp_end;
2418 /* The extendable component is 0-length, so it can be removed
2419 * if there is insufficient space to extend it. */
2420 if (lsa->lsa_extension_comp)
2421 comp_end = prev_end;
2423 rc = llapi_layout_comp_extent_set(layout, prev_end,
2426 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2427 prev_end, comp_end, strerror(errno));
2431 /* reset lsa_first_comp */
2432 lsa->lsa_first_comp = false;
2434 /* Data-on-MDT component setting */
2435 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2436 /* In case of Data-on-MDT patterns the only extra option
2437 * applicable is stripe size option. */
2438 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2439 fprintf(stderr, "Option 'stripe-count' can't be "
2440 "specified with Data-on-MDT component: %lld\n",
2441 lsa->lsa_stripe_count);
2445 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2446 fprintf(stderr, "Option 'stripe-size' can't be "
2447 "specified with Data-on-MDT component: %llu\n",
2448 lsa->lsa_stripe_size);
2452 if (lsa->lsa_nr_tgts != 0) {
2453 fprintf(stderr, "Option 'ost-list' can't be specified "
2454 "with Data-on-MDT component: '%i'\n",
2459 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2460 fprintf(stderr, "Option 'stripe-offset' can't be "
2461 "specified with Data-on-MDT component: %lld\n",
2462 lsa->lsa_stripe_off);
2466 if (lsa->lsa_pool_name != 0) {
2467 fprintf(stderr, "Option 'pool' can't be specified "
2468 "with Data-on-MDT component: '%s'\n",
2469 lsa->lsa_pool_name);
2474 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2476 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2481 /* Data-on-MDT component has always single stripe up to end */
2482 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2483 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2484 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2486 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2493 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2494 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2496 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2497 rc = llapi_layout_extension_size_set(layout, size);
2499 rc = llapi_layout_stripe_size_set(layout, size);
2502 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2503 size, strerror(errno));
2507 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2509 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2510 lsa->lsa_stripe_count, strerror(errno));
2514 if (lsa->lsa_pool_name != NULL) {
2515 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2517 fprintf(stderr, "Set pool name: %s failed. %s\n",
2518 lsa->lsa_pool_name, strerror(errno));
2522 rc = llapi_layout_pool_name_set(layout, "");
2524 fprintf(stderr, "Clear pool name failed: %s\n",
2530 if (lsa->lsa_nr_tgts > 0) {
2531 if (lsa->lsa_stripe_count > 0 &&
2532 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2533 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2534 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2535 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2536 lsa->lsa_stripe_count,
2541 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2542 rc = llapi_layout_ost_index_set(layout, i,
2547 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2548 lsa->lsa_stripe_off != -1) {
2549 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2552 fprintf(stderr, "Set ost index %d failed. %s\n",
2553 i, strerror(errno));
2557 /* Create the second, virtual component of extension space */
2558 if (lsa->lsa_extension_comp) {
2559 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2560 lsa->lsa_extension_comp = false;
2567 static int build_component(struct llapi_layout **layout,
2568 struct lfs_setstripe_args *lsa, bool set_extent)
2572 rc = comp_args_to_layout(layout, lsa, set_extent);
2576 if (lsa->lsa_mirror_count > 0) {
2577 rc = llapi_layout_mirror_count_set(*layout,
2578 lsa->lsa_mirror_count);
2582 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2585 lsa->lsa_mirror_count = 0;
2591 static int build_layout_from_yaml_node(struct cYAML *node,
2592 struct llapi_layout **layout,
2593 struct lfs_setstripe_args *lsa,
2600 if (node->cy_type == CYAML_TYPE_OBJECT) {
2601 /* go deep to sub blocks */
2602 rc = build_layout_from_yaml_node(node->cy_child, layout,
2607 if (node->cy_string == NULL)
2610 string = node->cy_string;
2611 /* skip leading lmm_ if present, to simplify parsing */
2612 if (strncmp(string, "lmm_", 4) == 0)
2615 if (node->cy_type == CYAML_TYPE_STRING) {
2616 if (!strcmp(string, "lcme_extent.e_end")) {
2617 if (!strcmp(node->cy_valuestring, "EOF") ||
2618 !strcmp(node->cy_valuestring, "eof"))
2619 lsa->lsa_comp_end = LUSTRE_EOF;
2620 } else if (!strcmp(string, "pool")) {
2621 lsa->lsa_pool_name = node->cy_valuestring;
2622 } else if (!strcmp(string, "pattern")) {
2623 if (!strcmp(node->cy_valuestring, "mdt"))
2624 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2625 if (!strcmp(node->cy_valuestring,
2626 "raid0,overstriped"))
2628 LLAPI_LAYOUT_OVERSTRIPING;
2629 } else if (!strcmp(string, "lcme_flags")) {
2630 rc = comp_str2flags(node->cy_valuestring,
2631 &lsa->lsa_comp_flags,
2632 &lsa->lsa_comp_neg_flags);
2635 /* Only template flags have meaning in
2636 * the layout for a new file
2638 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2640 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2641 if (!strcmp(string, "lcm_mirror_count")) {
2642 lsa->lsa_mirror_count = node->cy_valueint;
2643 } else if (!strcmp(string, "lcme_extent.e_start")) {
2644 if (node->cy_valueint != 0 || *layout != NULL) {
2645 rc = build_component(layout, lsa, true);
2650 if (node->cy_valueint == 0)
2651 lsa->lsa_first_comp = true;
2653 /* initialize lsa */
2654 setstripe_args_init(lsa);
2655 lsa->lsa_tgts = osts;
2656 } else if (!strcmp(string, "lcme_extent.e_end")) {
2657 if (node->cy_valueint == -1)
2658 lsa->lsa_comp_end = LUSTRE_EOF;
2660 lsa->lsa_comp_end = node->cy_valueint;
2661 } else if (!strcmp(string, "stripe_count")) {
2662 lsa->lsa_stripe_count = node->cy_valueint;
2663 } else if (!strcmp(string, "stripe_size")) {
2664 lsa->lsa_stripe_size = node->cy_valueint;
2665 } else if (!strcmp(string, "stripe_offset")) {
2666 lsa->lsa_stripe_off = node->cy_valueint;
2667 } else if (!strcmp(string, "l_ost_idx")) {
2668 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2673 node = node->cy_next;
2679 static int lfs_comp_create_from_yaml(char *template,
2680 struct llapi_layout **layout,
2681 struct lfs_setstripe_args *lsa,
2684 struct cYAML *tree = NULL, *err_rc = NULL;
2687 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2689 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2690 progname, template);
2691 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2692 "can't parse", &err_rc);
2693 cYAML_print_tree2file(stderr, err_rc);
2694 cYAML_free_tree(err_rc);
2699 /* initialize lsa for plain file */
2700 setstripe_args_init(lsa);
2701 lsa->lsa_tgts = osts;
2703 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2705 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2706 progname, template);
2709 rc = build_component(layout, lsa, *layout != NULL);
2711 /* clean clean lsa */
2712 setstripe_args_init(lsa);
2716 cYAML_free_tree(tree);
2721 * Get the extension size from the next (SEL) component and extend the
2722 * current component on it. The start of the next component is to be
2725 * \param[in] layout the current layout
2726 * \param[in] start the start of the current component
2727 * \param[in,out] end the end of the current component
2728 * \param[in] offset the offset to adjust the end position to instead of
2731 * \retval 0 - extended successfully
2732 * \retval < 0 - error
2734 static int layout_extend_comp(struct llapi_layout *layout,
2735 uint64_t start, uint64_t *end,
2738 uint64_t size, next_start, next_end;
2741 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
2743 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2744 "%s\n", progname, strerror(errno));
2748 /* Even if the @size will not be used below, this will fail if
2749 * this is not a SEL component - a good confirmation we are
2750 * working on right components. */
2751 rc = llapi_layout_extension_size_get(layout, &size);
2753 fprintf(stderr, "%s setstripe: cannot get component ext size: "
2754 "%s\n", progname, strerror(errno));
2758 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
2760 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2761 progname, strerror(errno));
2765 next_start += offset ?: size;
2766 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
2768 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2769 progname, strerror(errno));
2773 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
2775 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2776 "%s\n", progname, strerror(errno));
2780 *end += offset ?: size;
2781 rc = llapi_layout_comp_extent_set(layout, start, *end);
2783 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2784 progname, strerror(errno));
2792 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
2793 * end of the last component in the existing file, and adjust the
2794 * first extent start of the components to be added accordingly.
2796 * In the create mode, we need to check if the first component is an extendable
2797 * SEL component and extend its length to the extension size (first component
2798 * of the PFL file is initialised at the create time, cannot be 0-lenght.
2800 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
2803 struct llapi_layout *head;
2804 uint64_t start = 0, prev_end = 0;
2813 head = llapi_layout_get_by_path(fname, 0);
2816 "%s setstripe: cannot read layout from '%s': "
2817 "%s\n", progname, fname, strerror(errno));
2819 } else if (errno == ENODATA) {
2820 /* file without LOVEA, this component-add will be turned
2821 * into a component-create. */
2822 llapi_layout_free(head);
2825 /* the new layout will be added to an empty one, it
2826 * still needs to be adjusted below */
2829 } else if (!llapi_layout_is_composite(head)) {
2830 fprintf(stderr, "%s setstripe: '%s' not a composite "
2831 "file\n", progname, fname);
2832 llapi_layout_free(head);
2836 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2838 fprintf(stderr, "%s setstripe: cannot get prev "
2839 "extent: %s\n", progname, strerror(errno));
2840 llapi_layout_free(head);
2844 llapi_layout_free(head);
2848 /* Make sure we use the first component of the layout to be added. */
2849 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2852 "%s setstripe: cannot move component cursor: %s\n",
2853 progname, strerror(errno));
2857 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2859 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2860 progname, strerror(errno));
2864 if (start == 0 && end == 0) {
2865 rc = layout_extend_comp(layout, start, &end,
2866 comp_add ? prev_end : 0);
2871 if (start > prev_end || end < prev_end) {
2872 fprintf(stderr, "%s setstripe: first extent [%lu, %lu) not "
2873 "adjacent with extent end %lu\n",
2874 progname, start, end, prev_end);
2878 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2880 fprintf(stderr, "%s setstripe: cannot set component extent "
2882 progname, prev_end, end, strerror(errno));
2889 static int mirror_adjust_first_extents(struct mirror_args *list)
2896 while (list != NULL) {
2897 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
2900 list = list->m_next;
2906 static inline bool arg_is_eof(char *arg)
2908 return !strncmp(arg, "-1", strlen("-1")) ||
2909 !strncmp(arg, "EOF", strlen("EOF")) ||
2910 !strncmp(arg, "eof", strlen("eof"));
2914 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2916 * Return: Valid mirror_args pointer on success and
2917 * NULL if memory allocation fails.
2919 static struct mirror_args *lfs_mirror_alloc(void)
2921 struct mirror_args *mirror = NULL;
2924 mirror = calloc(1, sizeof(*mirror));
2935 * lfs_mirror_free() - Free memory allocated for a mirror argument
2937 * @mirror: Previously allocated mirror argument structure by
2938 * lfs_mirror_alloc().
2940 * Free memory allocated for @mirror.
2944 static void lfs_mirror_free(struct mirror_args *mirror)
2946 if (mirror->m_layout != NULL)
2947 llapi_layout_free(mirror->m_layout);
2952 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2953 * @mirror_list: Previously allocated mirror list.
2955 * Free memory allocated for @mirror_list.
2959 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2961 struct mirror_args *next_mirror = NULL;
2963 while (mirror_list != NULL) {
2964 next_mirror = mirror_list->m_next;
2965 lfs_mirror_free(mirror_list);
2966 mirror_list = next_mirror;
2978 LFS_COMP_NO_VERIFY_OPT,
2980 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
2982 LFS_MIRROR_STATE_OPT,
2984 LFS_MIRROR_INDEX_OPT,
2985 LFS_LAYOUT_FOREIGN_OPT,
2991 static int lfs_setstripe_internal(int argc, char **argv,
2992 enum setstripe_origin opc)
2994 struct lfs_setstripe_args lsa = { 0 };
2995 struct llapi_stripe_param *param = NULL;
2996 struct find_param migrate_mdt_param = {
3006 unsigned long long size_units = 1;
3007 bool migrate_mode = false;
3008 bool migrate_mdt_mode = false;
3009 bool setstripe_mode = false;
3010 bool migration_block = false;
3011 __u64 migration_flags = 0;
3012 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
3013 int comp_del = 0, comp_set = 0;
3016 struct llapi_layout *layout = NULL;
3017 struct llapi_layout **lpp = &layout;
3018 bool mirror_mode = false;
3019 bool has_m_file = false;
3020 __u32 mirror_count = 0;
3021 enum mirror_flags mirror_flags = 0;
3022 struct mirror_args *mirror_list = NULL;
3023 struct mirror_args *new_mirror = NULL;
3024 struct mirror_args *last_mirror = NULL;
3025 __u16 mirror_id = 0;
3027 bool from_yaml = false;
3028 bool from_copy = false;
3029 char *template = NULL;
3030 bool foreign_mode = false;
3032 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
3033 char *mode_opt = NULL;
3034 mode_t previous_umask = 0;
3035 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
3037 struct option long_opts[] = {
3038 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
3039 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3040 /* --block is only valid in migrate mode */
3041 { .val = 'b', .name = "block", .has_arg = no_argument },
3042 { .val = LFS_COMP_ADD_OPT,
3043 .name = "comp-add", .has_arg = no_argument },
3044 { .val = LFS_COMP_ADD_OPT,
3045 .name = "component-add", .has_arg = no_argument },
3046 { .val = LFS_COMP_DEL_OPT,
3047 .name = "comp-del", .has_arg = no_argument },
3048 { .val = LFS_COMP_DEL_OPT,
3049 .name = "component-del", .has_arg = no_argument },
3050 { .val = LFS_COMP_FLAGS_OPT,
3051 .name = "comp-flags", .has_arg = required_argument },
3052 { .val = LFS_COMP_FLAGS_OPT,
3053 .name = "component-flags",
3054 .has_arg = required_argument },
3055 { .val = LFS_COMP_SET_OPT,
3056 .name = "comp-set", .has_arg = no_argument },
3057 { .val = LFS_COMP_SET_OPT,
3058 .name = "component-set",
3059 .has_arg = no_argument},
3060 { .val = LFS_COMP_NO_VERIFY_OPT,
3061 .name = "no-verify", .has_arg = no_argument},
3062 { .val = LFS_LAYOUT_FLAGS_OPT,
3063 .name = "flags", .has_arg = required_argument},
3064 { .val = LFS_LAYOUT_FOREIGN_OPT,
3065 .name = "foreign", .has_arg = optional_argument},
3066 { .val = LFS_MIRROR_ID_OPT,
3067 .name = "mirror-id", .has_arg = required_argument},
3068 { .val = LFS_MODE_OPT,
3069 .name = "mode", .has_arg = required_argument},
3070 { .val = LFS_LAYOUT_COPY,
3071 .name = "copy", .has_arg = required_argument},
3072 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
3073 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
3074 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
3075 { .val = 'C', .name = "overstripe-count",
3076 .has_arg = required_argument},
3077 { .val = 'd', .name = "delete", .has_arg = no_argument},
3078 { .val = 'd', .name = "destroy", .has_arg = no_argument},
3079 /* --non-direct is only valid in migrate mode */
3080 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
3081 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
3082 { .val = 'E', .name = "component-end",
3083 .has_arg = required_argument},
3084 { .val = 'f', .name = "file", .has_arg = required_argument },
3085 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3086 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
3087 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3088 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
3089 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
3090 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
3091 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
3092 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
3093 { .val = 'I', .name = "component-id", .has_arg = required_argument},
3094 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
3095 { .val = 'L', .name = "layout", .has_arg = required_argument },
3096 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3097 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3098 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3099 /* --non-block is only valid in migrate mode */
3100 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3101 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3102 { .val = 'o', .name = "ost", .has_arg = required_argument },
3103 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3104 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3105 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3107 { .val = 'p', .name = "pool", .has_arg = required_argument },
3108 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3109 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3110 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3111 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3112 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3113 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3114 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3115 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3116 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3117 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3118 /* --verbose is only valid in migrate mode */
3119 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3120 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3121 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3122 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3123 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3126 setstripe_args_init(&lsa);
3128 migrate_mode = (opc == SO_MIGRATE);
3129 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3130 setstripe_mode = (opc == SO_SETSTRIPE);
3131 if (opc == SO_MIRROR_DELETE) {
3133 mirror_flags = MF_DESTROY;
3136 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3138 while ((c = getopt_long(argc, argv,
3139 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3140 long_opts, NULL)) >= 0) {
3146 case LFS_COMP_ADD_OPT:
3149 case LFS_COMP_DEL_OPT:
3152 case LFS_COMP_FLAGS_OPT:
3153 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3154 &lsa.lsa_comp_neg_flags);
3157 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3158 fprintf(stderr, "%s: inverted flags are not supported\n",
3163 case LFS_COMP_SET_OPT:
3166 case LFS_COMP_NO_VERIFY_OPT:
3167 mirror_flags |= MF_NO_VERIFY;
3169 case LFS_MIRROR_ID_OPT:
3170 mirror_id = strtoul(optarg, &end, 0);
3171 if (*end != '\0' || mirror_id == 0) {
3173 "%s %s: invalid mirror ID '%s'\n",
3174 progname, argv[0], optarg);
3178 case LFS_LAYOUT_FLAGS_OPT: {
3181 /* check for numeric flags (foreign and mirror cases) */
3182 if (setstripe_mode && !mirror_mode && !last_mirror) {
3183 flags = strtoul(optarg, &end, 16);
3186 "%s %s: bad flags '%s'\n",
3187 progname, argv[0], optarg);
3193 if (!mirror_mode || !last_mirror) {
3194 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
3199 result = comp_str2flags(optarg, &last_mirror->m_flags,
3205 fprintf(stderr, "%s: inverted flags are not supported\n",
3210 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3212 "%s: unsupported mirror flags: %s\n",
3219 case LFS_LAYOUT_FOREIGN_OPT:
3220 if (optarg != NULL) {
3221 /* check pure numeric */
3222 type = strtoul(optarg, &end, 0);
3225 type = check_foreign_type_name(optarg);
3226 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3228 "%s %s: unrecognized foreign type '%s'\n",
3235 foreign_mode = true;
3239 if (mode_opt != NULL) {
3240 mode = strtoul(mode_opt, &end, 8);
3243 "%s %s: bad mode '%s'\n",
3244 progname, argv[0], mode_opt);
3247 previous_umask = umask(0);
3250 case LFS_LAYOUT_COPY:
3255 if (!migrate_mode) {
3257 "%s %s: -b|--block valid only for migrate command\n",
3261 migration_block = true;
3264 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3266 "%s %s: -C|--overstripe-count incompatible with DoM layout\n",
3270 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3273 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3276 "%s %s: invalid stripe count '%s'\n",
3277 progname, argv[0], optarg);
3281 if (lsa.lsa_stripe_count == -1)
3282 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3285 /* delete the default striping pattern */
3287 if (opc == SO_MIRROR_SPLIT) {
3290 "%s %s: -d cannot used with -f\n",
3294 mirror_flags |= MF_DESTROY;
3298 if (!migrate_mode) {
3300 "%s %s: -D|--non-direct is valid "
3301 "only for migrate command\n",
3305 migration_flags |= MIGRATION_NONDIRECT;
3308 if (lsa.lsa_comp_end != 0) {
3309 result = comp_args_to_layout(lpp, &lsa, true);
3311 fprintf(stderr, "%s: invalid layout\n",
3316 setstripe_args_init_inherit(&lsa);
3319 if (arg_is_eof(optarg)) {
3320 lsa.lsa_comp_end = LUSTRE_EOF;
3322 result = llapi_parse_size(optarg,
3327 "%s %s: invalid component end '%s'\n",
3328 progname, argv[0], optarg);
3334 if (!migrate_mode) {
3335 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3339 lsa.lsa_pattern = check_hashtype(optarg);
3340 if (lsa.lsa_pattern == 0) {
3342 "%s %s: bad stripe hash type '%s'\n",
3343 progname, argv[0], optarg);
3348 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3351 "%s %s: invalid stripe offset '%s'\n",
3352 progname, argv[0], optarg);
3355 if (lsa.lsa_stripe_off == -1)
3356 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3359 comp_id = strtoul(optarg, &end, 0);
3360 if (*end != '\0' || comp_id == 0 ||
3361 comp_id > LCME_ID_MAX) {
3363 "%s %s: invalid component ID '%s'\n",
3364 progname, argv[0], optarg);
3369 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3371 "error: %s: invalid option: %s\n",
3372 progname, argv[optopt + 1]);
3375 if (opc == SO_MIRROR_EXTEND) {
3376 if (last_mirror == NULL) {
3378 "error: %s: '-N' must exist in front of '%s'\n",
3379 progname, argv[optopt + 1]);
3382 last_mirror->m_file = optarg;
3383 last_mirror->m_count = 1;
3386 if (mirror_list == NULL)
3387 mirror_list = lfs_mirror_alloc();
3388 mirror_list->m_file = optarg;
3393 if (strcmp(argv[optind - 1], "mdt") == 0) {
3394 /* Can be only the first component */
3395 if (layout != NULL) {
3397 fprintf(stderr, "error: 'mdt' layout "
3398 "can be only the first one\n");
3401 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3403 fprintf(stderr, "error: 'mdt' layout "
3404 "size is too big\n");
3407 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3408 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3410 fprintf(stderr, "error: layout '%s' is "
3411 "unknown, supported layouts are: "
3412 "'mdt', 'raid0'\n", argv[optind]);
3417 if (!migrate_mode) {
3419 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3423 migrate_mdt_mode = true;
3424 lsa.lsa_nr_tgts = parse_targets(tgts,
3425 sizeof(tgts) / sizeof(__u32),
3426 lsa.lsa_nr_tgts, optarg, NULL);
3427 if (lsa.lsa_nr_tgts < 0) {
3429 "%s %s: invalid MDT target(s) '%s'\n",
3430 progname, argv[0], optarg);
3434 lsa.lsa_tgts = tgts;
3435 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3436 lsa.lsa_stripe_off = tgts[0];
3439 if (!migrate_mode) {
3441 "%s %s: -n|--non-block valid only for migrate command\n",
3445 migration_flags |= MIGRATION_NONBLOCK;
3448 if (opc == SO_SETSTRIPE) {
3449 opc = SO_MIRROR_CREATE;
3453 if (optarg != NULL) {
3454 mirror_count = strtoul(optarg, &end, 0);
3455 if (*end != '\0' || mirror_count == 0) {
3457 "error: %s: bad mirror count: %s\n",
3464 new_mirror = lfs_mirror_alloc();
3465 new_mirror->m_count = mirror_count;
3467 if (mirror_list == NULL)
3468 mirror_list = new_mirror;
3470 if (last_mirror != NULL) {
3471 /* wrap up last mirror */
3472 if (lsa.lsa_comp_end == 0)
3473 lsa.lsa_comp_end = LUSTRE_EOF;
3475 result = comp_args_to_layout(lpp, &lsa, true);
3477 lfs_mirror_free(new_mirror);
3481 setstripe_args_init_inherit(&lsa);
3483 last_mirror->m_next = new_mirror;
3486 last_mirror = new_mirror;
3487 lpp = &last_mirror->m_layout;
3490 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3491 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3492 fprintf(stderr, "warning: '--ost-list' is "
3493 "deprecated, use '--ost' instead\n");
3495 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3497 "%s %s: -o|--ost incompatible with DoM layout\n",
3501 /* -o allows overstriping, and must note it because
3502 * parse_targets is shared with MDT striping, which
3503 * does not allow duplicates
3505 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3506 lsa.lsa_nr_tgts = parse_targets(tgts,
3507 sizeof(tgts) / sizeof(__u32),
3508 lsa.lsa_nr_tgts, optarg,
3510 if (lsa.lsa_nr_tgts < 0) {
3512 "%s %s: invalid OST target(s) '%s'\n",
3513 progname, argv[0], optarg);
3517 lsa.lsa_tgts = tgts;
3518 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3519 lsa.lsa_stripe_off = tgts[0];
3524 lsa.lsa_pool_name = optarg;
3526 if (strlen(lsa.lsa_pool_name) == 0 ||
3527 strncmp(lsa.lsa_pool_name, "none",
3528 LOV_MAXPOOLNAME) == 0)
3529 lsa.lsa_pool_name = NULL;
3532 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3536 "%s %s: invalid stripe size '%s'\n",
3537 progname, argv[0], optarg);
3542 if (!migrate_mode) {
3544 "%s %s: -v|--verbose valid only for migrate command\n",
3548 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3549 migration_flags = MIGRATION_VERBOSE;
3559 result = llapi_parse_size(optarg,
3560 &lsa.lsa_extension_size,
3564 "%s %s: invalid extension size '%s'\n",
3565 progname, argv[0], optarg);
3569 lsa.lsa_extension_comp = true;
3572 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3573 progname, argv[0], argv[optind - 1]);
3578 fname = argv[optind];
3580 if (optind == argc) {
3581 fprintf(stderr, "%s %s: FILE must be specified\n",
3586 /* lfs migrate $filename should keep the file's layout by default */
3587 if (migrate_mode && !setstripe_args_specified(&lsa) && !layout &&
3591 if (xattr && !foreign_mode) {
3592 /* only print a warning as this is harmless and will be ignored
3595 "%s %s: xattr has been specified for non-foreign layout\n",
3597 } else if (foreign_mode && !xattr) {
3599 "%s %s: xattr must be provided in foreign mode\n",
3604 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3605 comp_set || comp_id || delete || from_copy ||
3606 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3609 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3614 if (mirror_mode && mirror_count == 0) {
3616 "error: %s: --mirror-count|-N option is required\n",
3623 if (lsa.lsa_comp_end == 0)
3624 lsa.lsa_comp_end = LUSTRE_EOF;
3627 if (lsa.lsa_comp_end != 0) {
3628 result = comp_args_to_layout(lpp, &lsa, true);
3630 fprintf(stderr, "error: %s: invalid layout\n",
3637 if (mirror_flags & MF_NO_VERIFY) {
3638 if (opc != SO_MIRROR_EXTEND) {
3640 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3644 } else if (!has_m_file) {
3646 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3653 if (comp_set && !comp_id) {
3654 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3659 if ((delete + comp_set + comp_del + comp_add) > 1) {
3661 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3666 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3667 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3669 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3674 if ((comp_set || comp_del) &&
3675 (setstripe_args_specified(&lsa) || layout != NULL)) {
3677 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3682 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3684 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3689 if (comp_add || comp_del) {
3692 result = lstat(fname, &st);
3693 if (result == 0 && S_ISDIR(st.st_mode)) {
3695 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3701 fprintf(stderr, "error: %s: can't use --component-add "
3702 "or --component-del for mirror operation\n",
3709 if (layout == NULL) {
3711 "%s %s: option -E must be specified with --component-add\n",
3717 if (layout != NULL || mirror_list != NULL) {
3719 result = mirror_adjust_first_extents(mirror_list);
3721 result = layout_adjust_first_extent(fname, layout,
3723 if (result == -ENODATA)
3725 else if (result != 0) {
3726 fprintf(stderr, "error: %s: invalid layout\n",
3732 if (from_yaml && from_copy) {
3734 "%s: can't specify --yaml and --copy together\n",
3739 if ((from_yaml || from_copy) &&
3740 (setstripe_args_specified(&lsa) || layout != NULL)) {
3741 fprintf(stderr, "error: %s: can't specify --yaml or --copy with"
3742 " -c, -S, -i, -o, -p or -E options.\n",
3747 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3749 "%s %s: options --non-block and --block are mutually exclusive\n",
3754 if (!comp_del && !comp_set && opc != SO_MIRROR_SPLIT &&
3755 opc != SO_MIRROR_DELETE && comp_id != 0) {
3757 "%s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3762 if (migrate_mdt_mode) {
3763 struct lmv_user_md *lmu;
3765 /* initialize migrate mdt parameters */
3766 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3767 LMV_USER_MAGIC_SPECIFIC));
3770 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3771 progname, argv[0], strerror(ENOMEM));
3775 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3776 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3777 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3779 "%s %s: migrate should specify MDT index\n",
3784 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3785 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3786 lmu->lum_hash_type = lsa.lsa_pattern;
3788 lmu->lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
3789 if (lsa.lsa_pool_name) {
3790 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3791 sizeof(lmu->lum_pool_name) - 1);
3792 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3794 if (lsa.lsa_nr_tgts > 1) {
3797 if (lsa.lsa_stripe_count > 0 &&
3798 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3799 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3801 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3802 progname, lsa.lsa_stripe_count,
3808 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3809 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3810 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3811 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3813 lmu->lum_magic = LMV_USER_MAGIC;
3816 migrate_mdt_param.fp_lmv_md = lmu;
3817 migrate_mdt_param.fp_migrate = 1;
3818 } else if (layout == NULL) {
3819 /* initialize stripe parameters */
3820 param = calloc(1, offsetof(typeof(*param),
3821 lsp_osts[lsa.lsa_nr_tgts]));
3822 if (param == NULL) {
3824 "%s %s: cannot allocate memory for parameters: %s\n",
3825 progname, argv[0], strerror(ENOMEM));
3830 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3831 param->lsp_stripe_size = lsa.lsa_stripe_size;
3832 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3833 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3834 param->lsp_stripe_count = -1;
3836 param->lsp_stripe_count = lsa.lsa_stripe_count;
3838 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3839 param->lsp_stripe_offset = -1;
3841 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3842 param->lsp_stripe_pattern =
3843 llapi_pattern_to_lov(lsa.lsa_pattern);
3844 if (param->lsp_stripe_pattern == EINVAL) {
3845 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3850 param->lsp_pool = lsa.lsa_pool_name;
3851 param->lsp_is_specific = false;
3852 if (lsa.lsa_nr_tgts > 0) {
3853 if (lsa.lsa_stripe_count > 0 &&
3854 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3855 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3856 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3858 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3859 argv[0], lsa.lsa_stripe_count,
3865 param->lsp_is_specific = true;
3866 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3867 memcpy(param->lsp_osts, tgts,
3868 sizeof(*tgts) * lsa.lsa_nr_tgts);
3873 /* generate a layout from a YAML template */
3874 result = lfs_comp_create_from_yaml(template, &layout,
3877 fprintf(stderr, "error: %s: can't create composite "
3878 "layout from template file %s\n",
3884 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3886 layout = llapi_layout_get_by_path(template ?: fname, 0);
3887 if (layout == NULL) {
3888 fprintf(stderr, "%s: can't create composite "
3889 "layout from file %s.\n",
3890 progname, template ?: fname);
3895 if (migrate_mdt_mode) {
3896 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3897 } else if (migrate_mode) {
3898 result = lfs_migrate(fname, migration_flags, param,
3900 } else if (comp_set != 0) {
3901 result = lfs_component_set(fname, comp_id,
3903 lsa.lsa_comp_neg_flags);
3904 } else if (comp_del != 0) {
3905 result = lfs_component_del(fname, comp_id,
3907 lsa.lsa_comp_neg_flags);
3908 } else if (comp_add != 0) {
3909 result = lfs_component_add(fname, layout);
3910 } else if (opc == SO_MIRROR_CREATE) {
3911 result = mirror_create(fname, mirror_list);
3912 } else if (opc == SO_MIRROR_EXTEND) {
3913 result = mirror_extend(fname, mirror_list,
3915 } else if (opc == SO_MIRROR_SPLIT || opc == SO_MIRROR_DELETE) {
3916 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
3918 "%s: no mirror specified to delete from '%s'\n",
3922 if (lsa.lsa_pool_name)
3923 mirror_flags |= MF_COMP_POOL;
3924 else if (mirror_id != 0)
3925 comp_id = mirror_id;
3927 mirror_flags |= MF_COMP_ID;
3928 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
3930 has_m_file ? mirror_list->m_file :
3932 } else if (layout != NULL) {
3933 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3939 } else if (foreign_mode) {
3940 result = llapi_file_create_foreign(fname, mode, type,
3947 result = llapi_file_open_param(fname,
3956 /* Save the first error encountered. */
3963 if (mode_opt != NULL)
3964 umask(previous_umask);
3967 free(migrate_mdt_param.fp_lmv_md);
3968 llapi_layout_free(layout);
3969 lfs_mirror_list_free(mirror_list);
3974 llapi_layout_free(layout);
3975 lfs_mirror_list_free(mirror_list);
3979 static int lfs_poollist(int argc, char **argv)
3984 return llapi_poollist(argv[1]);
3987 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3992 char *endptr = "AD";
3997 else if (str[0] == '-')
4003 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
4004 long long val = strtoll(timebuf, &endptr, 0);
4009 unit *= 52; /* 52 weeks + 1 day below */
4010 case 'w': /* fallthrough */
4012 case '\0': /* days are default unit if none used */
4013 case 'd': /* fallthrough */
4014 unit = (unit + (*endptr == 'y')) * 24;
4015 case 'h': /* fallthrough */
4017 case 'm': /* fallthrough */
4019 case 's': /* fallthrough */
4021 /* don't need to multiply by 1 for seconds */
4024 "%s find: bad time string '%s': %s\n",
4025 progname, timebuf, strerror(EINVAL));
4029 if (param->fp_time_margin == 0 ||
4030 (*endptr && unit < param->fp_time_margin))
4031 param->fp_time_margin = unit;
4038 fprintf(stderr, "%s find: bad time '%s': too large\n",
4048 static int name2uid(unsigned int *id, const char *name)
4050 struct passwd *passwd;
4052 passwd = getpwnam(name);
4055 *id = passwd->pw_uid;
4060 static int name2gid(unsigned int *id, const char *name)
4062 struct group *group;
4064 group = getgrnam(name);
4067 *id = group->gr_gid;
4072 static inline int name2projid(unsigned int *id, const char *name)
4077 static int uid2name(char **name, unsigned int id)
4079 struct passwd *passwd;
4081 passwd = getpwuid(id);
4084 *name = passwd->pw_name;
4089 static inline int gid2name(char **name, unsigned int id)
4091 struct group *group;
4093 group = getgrgid(id);
4096 *name = group->gr_name;
4101 static int name2layout(__u32 *layout, char *name)
4103 char *ptr, *layout_name;
4106 for (ptr = name; ; ptr = NULL) {
4107 layout_name = strtok(ptr, ",");
4108 if (layout_name == NULL)
4110 if (strcmp(layout_name, "released") == 0)
4111 *layout |= LOV_PATTERN_F_RELEASED;
4112 else if (strcmp(layout_name, "raid0") == 0)
4113 *layout |= LOV_PATTERN_RAID0;
4114 else if (strcmp(layout_name, "mdt") == 0)
4115 *layout |= LOV_PATTERN_MDT;
4116 else if (strcmp(layout_name, "overstriping") == 0)
4117 *layout |= LOV_PATTERN_OVERSTRIPING;
4124 static int lfs_find(int argc, char **argv)
4129 struct find_param param = {
4132 .fp_time_margin = 24 * 60 * 60,
4134 struct option long_opts[] = {
4135 { .val = 'A', .name = "atime", .has_arg = required_argument },
4136 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4137 { .val = LFS_COMP_COUNT_OPT,
4138 .name = "comp-count", .has_arg = required_argument },
4139 { .val = LFS_COMP_COUNT_OPT,
4140 .name = "component-count",
4141 .has_arg = required_argument },
4142 { .val = LFS_COMP_FLAGS_OPT,
4143 .name = "comp-flags", .has_arg = required_argument },
4144 { .val = LFS_COMP_FLAGS_OPT,
4145 .name = "component-flags",
4146 .has_arg = required_argument },
4147 { .val = LFS_COMP_START_OPT,
4148 .name = "comp-start", .has_arg = required_argument },
4149 { .val = LFS_COMP_START_OPT,
4150 .name = "component-start",
4151 .has_arg = required_argument },
4152 { .val = LFS_MIRROR_STATE_OPT,
4153 .name = "mirror-state", .has_arg = required_argument },
4154 { .val = LFS_LAYOUT_FOREIGN_OPT,
4155 .name = "foreign", .has_arg = optional_argument},
4156 { .val = LFS_NEWERXY_OPT,
4157 .name = "newer", .has_arg = required_argument},
4158 { .val = LFS_NEWERXY_OPT,
4159 .name = "neweraa", .has_arg = required_argument},
4160 { .val = LFS_NEWERXY_OPT,
4161 .name = "neweram", .has_arg = required_argument},
4162 { .val = LFS_NEWERXY_OPT,
4163 .name = "newerac", .has_arg = required_argument},
4164 { .val = LFS_NEWERXY_OPT,
4165 .name = "newerma", .has_arg = required_argument},
4166 { .val = LFS_NEWERXY_OPT,
4167 .name = "newermm", .has_arg = required_argument},
4168 { .val = LFS_NEWERXY_OPT,
4169 .name = "newermc", .has_arg = required_argument},
4170 { .val = LFS_NEWERXY_OPT,
4171 .name = "newerca", .has_arg = required_argument},
4172 { .val = LFS_NEWERXY_OPT,
4173 .name = "newercm", .has_arg = required_argument},
4174 { .val = LFS_NEWERXY_OPT,
4175 .name = "newercc", .has_arg = required_argument},
4176 { .val = LFS_NEWERXY_OPT,
4177 .name = "newerat", .has_arg = required_argument},
4178 { .val = LFS_NEWERXY_OPT,
4179 .name = "newermt", .has_arg = required_argument},
4180 { .val = LFS_NEWERXY_OPT,
4181 .name = "newerct", .has_arg = required_argument},
4182 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4183 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4184 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4185 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4186 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4187 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4188 { .val = 'E', .name = "component-end",
4189 .has_arg = required_argument },
4190 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4191 { .val = LFS_LAYOUT_FOREIGN_OPT,
4192 .name = "foreign", .has_arg = optional_argument},
4193 { .val = 'g', .name = "gid", .has_arg = required_argument },
4194 { .val = 'G', .name = "group", .has_arg = required_argument },
4195 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4196 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4197 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4198 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4199 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4200 { .val = 'L', .name = "layout", .has_arg = required_argument },
4201 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4202 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4203 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4204 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4205 { .val = 'n', .name = "name", .has_arg = required_argument },
4206 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4207 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4208 { .val = 'O', .name = "obd", .has_arg = required_argument },
4209 { .val = 'O', .name = "ost", .has_arg = required_argument },
4210 /* no short option for pool yet, can be 'p' after 2.18 */
4211 { .val = LFS_POOL_OPT,
4212 .name = "pool", .has_arg = required_argument },
4213 { .val = '0', .name = "print0", .has_arg = no_argument },
4214 { .val = 'P', .name = "print", .has_arg = no_argument },
4215 { .val = LFS_PROJID_OPT,
4216 .name = "projid", .has_arg = required_argument },
4217 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4218 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4219 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4220 { .val = 's', .name = "size", .has_arg = required_argument },
4221 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4222 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4223 { .val = 't', .name = "type", .has_arg = required_argument },
4224 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4225 { .val = 'u', .name = "uid", .has_arg = required_argument },
4226 { .val = 'U', .name = "user", .has_arg = required_argument },
4227 { .val = 'z', .name = "extension-size",
4228 .has_arg = required_argument },
4229 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4230 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4231 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4245 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4246 while ((c = getopt_long_only(argc, argv,
4247 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4248 long_opts, &optidx)) >= 0) {
4253 /* '!' is part of option */
4254 /* when getopt_long_only() finds a string which is not
4255 * an option nor a known option argument it returns 1
4256 * in that case if we already have found pathstart and pathend
4257 * (i.e. we have the list of pathnames),
4258 * the only supported value is "!"
4260 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4261 if (!isoption && pathend != -1) {
4262 fprintf(stderr, "err: %s: filename|dirname must either "
4263 "precede options or follow options\n",
4268 if (!isoption && pathstart == -1)
4269 pathstart = optind - 1;
4270 if (isoption && pathstart != -1 && pathend == -1)
4271 pathend = optind - 2;
4277 /* unknown; opt is "!" or path component,
4278 * checking done above.
4280 if (strcmp(optarg, "!") == 0)
4284 xtime = ¶m.fp_atime;
4285 xsign = ¶m.fp_asign;
4286 param.fp_exclude_atime = !!neg_opt;
4287 /* no break, this falls through to 'C' for ctime */
4290 xtime = ¶m.fp_ctime;
4291 xsign = ¶m.fp_csign;
4292 param.fp_exclude_ctime = !!neg_opt;
4294 /* no break, this falls through to 'M' for mtime */
4297 xtime = ¶m.fp_mtime;
4298 xsign = ¶m.fp_msign;
4299 param.fp_exclude_mtime = !!neg_opt;
4301 rc = set_time(¶m, &t, xtime, optarg);
4302 if (rc == LONG_MAX) {
4310 if (optarg[0] == '+') {
4311 param.fp_blocks_sign = -1;
4313 } else if (optarg[0] == '-') {
4314 param.fp_blocks_sign = 1;
4318 param.fp_blocks_units = 1024;
4319 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4320 ¶m.fp_blocks_units, 0);
4322 fprintf(stderr, "error: bad blocks '%s'\n",
4326 param.fp_check_blocks = 1;
4327 param.fp_exclude_blocks = !!neg_opt;
4329 case LFS_COMP_COUNT_OPT:
4330 if (optarg[0] == '+') {
4331 param.fp_comp_count_sign = -1;
4333 } else if (optarg[0] == '-') {
4334 param.fp_comp_count_sign = 1;
4338 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4339 if (*endptr != '\0') {
4340 fprintf(stderr, "error: bad component count "
4344 param.fp_check_comp_count = 1;
4345 param.fp_exclude_comp_count = !!neg_opt;
4347 case LFS_COMP_FLAGS_OPT:
4348 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4349 ¶m.fp_comp_neg_flags);
4351 fprintf(stderr, "error: bad component flags "
4355 param.fp_check_comp_flags = 1;
4357 __u32 flags = param.fp_comp_neg_flags;
4358 param.fp_comp_neg_flags = param.fp_comp_flags;
4359 param.fp_comp_flags = flags;
4362 case LFS_COMP_START_OPT:
4363 if (optarg[0] == '+') {
4364 param.fp_comp_start_sign = -1;
4366 } else if (optarg[0] == '-') {
4367 param.fp_comp_start_sign = 1;
4371 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4372 ¶m.fp_comp_start_units, 0);
4374 fprintf(stderr, "error: bad component start "
4378 param.fp_check_comp_start = 1;
4379 param.fp_exclude_comp_start = !!neg_opt;
4381 case LFS_MIRROR_STATE_OPT:
4382 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4383 ¶m.fp_mirror_neg_state);
4386 "error: bad mirrored file state '%s'\n",
4390 param.fp_check_mirror_state = 1;
4392 __u16 state = param.fp_mirror_neg_state;
4393 param.fp_mirror_neg_state =
4394 param.fp_mirror_state;
4395 param.fp_mirror_state = state;
4399 if (optarg[0] == '+') {
4400 param.fp_stripe_count_sign = -1;
4402 } else if (optarg[0] == '-') {
4403 param.fp_stripe_count_sign = 1;
4407 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4408 if (*endptr != '\0') {
4409 fprintf(stderr,"error: bad stripe_count '%s'\n",
4414 param.fp_check_stripe_count = 1;
4415 param.fp_exclude_stripe_count = !!neg_opt;
4418 param.fp_max_depth = strtol(optarg, 0, 0);
4421 if (optarg[0] == '+') {
4422 param.fp_comp_end_sign = -1;
4424 } else if (optarg[0] == '-') {
4425 param.fp_comp_end_sign = 1;
4429 if (arg_is_eof(optarg)) {
4430 param.fp_comp_end = LUSTRE_EOF;
4431 param.fp_comp_end_units = 1;
4434 rc = llapi_parse_size(optarg,
4436 ¶m.fp_comp_end_units, 0);
4439 fprintf(stderr, "error: bad component end "
4443 param.fp_check_comp_end = 1;
4444 param.fp_exclude_comp_end = !!neg_opt;
4446 case LFS_LAYOUT_FOREIGN_OPT: {
4447 /* all types by default */
4448 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4450 if (optarg != NULL) {
4451 /* check pure numeric */
4452 type = strtoul(optarg, &endptr, 0);
4455 type = check_foreign_type_name(optarg);
4456 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4458 "%s %s: unknown foreign type '%s'\n",
4465 param.fp_foreign_type = type;
4466 param.fp_check_foreign = 1;
4467 param.fp_exclude_foreign = !!neg_opt;
4470 case LFS_NEWERXY_OPT: {
4476 time_t ref = time(NULL);
4478 /* no need to check bad options, they won't get here */
4479 if (strlen(long_opts[optidx].name) == 7) {
4480 x = long_opts[optidx].name[5];
4481 y = long_opts[optidx].name[6];
4485 static const char *const fmts[] = {
4486 "%Y-%m-%d %H:%M:%S",
4489 "%H:%M:%S", /* sometime today */
4498 for (i = 0; fmts[i] != NULL; i++) {
4501 /* Init for times relative to today */
4502 if (strncmp(fmts[i], "%H", 2) == 0)
4503 localtime_r(&ref, &tm);
4505 memset(&tm, 0, sizeof(tm));
4506 ptr = strptime(optarg, fmts[i], &tm);
4508 while (ptr && isspace(*ptr))
4510 if (ptr == optarg + strlen(optarg)) {
4518 "%s: invalid time '%s'\n",
4521 "supported formats are:\n ");
4522 for (i = 0; fmts[i] != NULL; i++)
4523 fprintf(stderr, "'%s', ",
4525 fprintf(stderr, "\n");
4532 struct stat statbuf;
4534 if (stat(optarg, &statbuf) < 0) {
4536 "%s: cannot stat file '%s': %s\n",
4545 ref = statbuf.st_atime;
4548 ref = statbuf.st_mtime;
4551 ref = statbuf.st_ctime;
4555 "%s: invalid Y argument: '%c'\n",
4564 xidx = NEWERXY_ATIME;
4567 xidx = NEWERXY_MTIME;
4570 xidx = NEWERXY_CTIME;
4574 "%s: invalid X argument: '%c'\n",
4581 newery = ¶m.fp_newery[xidx][negidx];
4587 *newery = *newery > ref ? ref : *newery;
4589 *newery = *newery > ref ? *newery : ref;
4591 param.fp_newerxy = 1;
4596 rc = name2gid(¶m.fp_gid, optarg);
4598 param.fp_gid = strtoul(optarg, &endptr, 10);
4599 if (*endptr != '\0') {
4600 fprintf(stderr, "Group/GID: %s cannot "
4601 "be found.\n", optarg);
4606 param.fp_exclude_gid = !!neg_opt;
4607 param.fp_check_gid = 1;
4610 param.fp_hash_type = check_hashtype(optarg);
4611 if (param.fp_hash_type == 0) {
4612 fprintf(stderr, "error: bad hash_type '%s'\n",
4617 param.fp_check_hash_type = 1;
4618 param.fp_exclude_hash_type = !!neg_opt;
4624 ret = name2layout(¶m.fp_layout, optarg);
4627 param.fp_exclude_layout = !!neg_opt;
4628 param.fp_check_layout = 1;
4632 rc = name2uid(¶m.fp_uid, optarg);
4634 param.fp_uid = strtoul(optarg, &endptr, 10);
4635 if (*endptr != '\0') {
4636 fprintf(stderr, "User/UID: %s cannot "
4637 "be found.\n", optarg);
4642 param.fp_exclude_uid = !!neg_opt;
4643 param.fp_check_uid = 1;
4646 param.fp_pattern = (char *)optarg;
4647 param.fp_exclude_pattern = !!neg_opt;
4650 if (optarg[0] == '+') {
4651 param.fp_mirror_count_sign = -1;
4653 } else if (optarg[0] == '-') {
4654 param.fp_mirror_count_sign = 1;
4658 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4659 if (*endptr != '\0') {
4661 "error: bad mirror count '%s'\n",
4665 param.fp_check_mirror_count = 1;
4666 param.fp_exclude_mirror_count = !!neg_opt;
4671 char *buf, *token, *next, *p;
4675 buf = strdup(optarg);
4681 param.fp_exclude_obd = !!neg_opt;
4684 while (token && *token) {
4685 token = strchr(token, ',');
4692 param.fp_exclude_mdt = !!neg_opt;
4693 param.fp_num_alloc_mdts += len;
4694 tmp = realloc(param.fp_mdt_uuid,
4695 param.fp_num_alloc_mdts *
4696 sizeof(*param.fp_mdt_uuid));
4702 param.fp_mdt_uuid = tmp;
4704 param.fp_exclude_obd = !!neg_opt;
4705 param.fp_num_alloc_obds += len;
4706 tmp = realloc(param.fp_obd_uuid,
4707 param.fp_num_alloc_obds *
4708 sizeof(*param.fp_obd_uuid));
4714 param.fp_obd_uuid = tmp;
4716 for (token = buf; token && *token; token = next) {
4717 struct obd_uuid *puuid;
4720 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4723 ¶m.fp_obd_uuid[param.fp_num_obds++];
4725 p = strchr(token, ',');
4732 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4737 strncpy(puuid->uuid, token,
4738 sizeof(puuid->uuid));
4745 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4749 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4751 "Pool name %s is too long (max %d)\n",
4752 optarg, LOV_MAXPOOLNAME);
4757 * We do check for empty pool because empty pool
4758 * is used to find V1 LOV attributes
4760 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4761 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4762 param.fp_exclude_pool = !!neg_opt;
4763 param.fp_check_pool = 1;
4765 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4766 case 'p': /* want this for --pool, to match getstripe/find */
4768 "warning: -p deprecated, use --print0 or -0\n");
4771 param.fp_zero_end = 1;
4773 case 'P': /* we always print, this option is a no-op */
4775 case LFS_PROJID_OPT:
4776 rc = name2projid(¶m.fp_projid, optarg);
4778 param.fp_projid = strtoul(optarg, &endptr, 10);
4779 if (*endptr != '\0') {
4781 "Invalid project ID: %s",
4787 param.fp_exclude_projid = !!neg_opt;
4788 param.fp_check_projid = 1;
4791 if (optarg[0] == '+') {
4792 param.fp_size_sign = -1;
4794 } else if (optarg[0] == '-') {
4795 param.fp_size_sign = 1;
4799 ret = llapi_parse_size(optarg, ¶m.fp_size,
4800 ¶m.fp_size_units, 0);
4802 fprintf(stderr, "error: bad file size '%s'\n",
4806 param.fp_check_size = 1;
4807 param.fp_exclude_size = !!neg_opt;
4810 if (optarg[0] == '+') {
4811 param.fp_stripe_size_sign = -1;
4813 } else if (optarg[0] == '-') {
4814 param.fp_stripe_size_sign = 1;
4818 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4819 ¶m.fp_stripe_size_units, 0);
4821 fprintf(stderr, "error: bad stripe_size '%s'\n",
4825 param.fp_check_stripe_size = 1;
4826 param.fp_exclude_stripe_size = !!neg_opt;
4829 param.fp_exclude_type = !!neg_opt;
4830 switch (optarg[0]) {
4832 param.fp_type = S_IFBLK;
4835 param.fp_type = S_IFCHR;
4838 param.fp_type = S_IFDIR;
4841 param.fp_type = S_IFREG;
4844 param.fp_type = S_IFLNK;
4847 param.fp_type = S_IFIFO;
4850 param.fp_type = S_IFSOCK;
4853 fprintf(stderr, "error: %s: bad type '%s'\n",
4860 if (optarg[0] == '+') {
4861 param.fp_mdt_count_sign = -1;
4863 } else if (optarg[0] == '-') {
4864 param.fp_mdt_count_sign = 1;
4868 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4869 if (*endptr != '\0') {
4870 fprintf(stderr, "error: bad mdt_count '%s'\n",
4875 param.fp_check_mdt_count = 1;
4876 param.fp_exclude_mdt_count = !!neg_opt;
4879 if (optarg[0] == '+') {
4880 param.fp_ext_size_sign = -1;
4882 } else if (optarg[0] == '-') {
4883 param.fp_ext_size_sign = 1;
4887 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
4888 ¶m.fp_ext_size_units, 0);
4890 fprintf(stderr, "error: bad ext-size '%s'\n",
4894 param.fp_ext_size /= SEL_UNIT_SIZE;
4895 param.fp_ext_size_units /= SEL_UNIT_SIZE;
4896 param.fp_check_ext_size = 1;
4897 param.fp_exclude_ext_size = !!neg_opt;
4905 if (pathstart == -1) {
4906 fprintf(stderr, "error: %s: no filename|pathname\n",
4910 } else if (pathend == -1) {
4916 rc = llapi_find(argv[pathstart], ¶m);
4919 pathbad = pathstart;
4921 } while (++pathstart < pathend);
4924 fprintf(stderr, "%s: failed for '%s': %s\n",
4925 progname, argv[pathbad], strerror(-rc));
4928 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4929 free(param.fp_obd_uuid);
4931 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4932 free(param.fp_mdt_uuid);
4937 static int lfs_getstripe_internal(int argc, char **argv,
4938 struct find_param *param)
4940 struct option long_opts[] = {
4941 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4942 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4943 { .val = LFS_COMP_COUNT_OPT,
4944 .name = "comp-count", .has_arg = no_argument },
4945 { .val = LFS_COMP_COUNT_OPT,
4946 .name = "component-count", .has_arg = no_argument },
4947 { .val = LFS_COMP_FLAGS_OPT,
4948 .name = "comp-flags", .has_arg = optional_argument },
4949 { .val = LFS_COMP_FLAGS_OPT,
4950 .name = "component-flags", .has_arg = optional_argument },
4951 { .val = LFS_COMP_START_OPT,
4952 .name = "comp-start", .has_arg = optional_argument },
4953 { .val = LFS_COMP_START_OPT,
4954 .name = "component-start", .has_arg = optional_argument },
4955 { .val = LFS_MIRROR_INDEX_OPT,
4956 .name = "mirror-index", .has_arg = required_argument },
4957 { .val = LFS_MIRROR_ID_OPT,
4958 .name = "mirror-id", .has_arg = required_argument },
4959 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4960 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4961 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4962 { .val = 'd', .name = "directory", .has_arg = no_argument },
4963 { .val = 'D', .name = "default", .has_arg = no_argument },
4964 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4965 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4966 { .val = 'F', .name = "fid", .has_arg = no_argument },
4967 { .val = 'g', .name = "generation", .has_arg = no_argument },
4968 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4969 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4970 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4971 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4972 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4973 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4974 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
4975 { .val = 'L', .name = "layout", .has_arg = no_argument },
4976 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4977 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4978 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4979 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4980 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4981 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4982 { .val = 'O', .name = "obd", .has_arg = required_argument },
4983 { .val = 'O', .name = "ost", .has_arg = required_argument },
4984 { .val = 'p', .name = "pool", .has_arg = no_argument },
4985 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4986 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4987 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4988 { .val = 'R', .name = "raw", .has_arg = no_argument },
4989 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4990 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4991 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4992 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4993 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4994 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4995 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4996 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4997 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
4998 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
5002 int pathstart = -1, pathend = -1;
5006 while ((c = getopt_long(argc, argv,
5007 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
5008 long_opts, NULL)) != -1) {
5012 /* '!' is part of option */
5013 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
5014 if (!isoption && pathend != -1) {
5016 "error: %s: filename|dirname must either precede options or follow options\n",
5020 if (!isoption && pathstart == -1)
5021 pathstart = optind - 1;
5022 if (isoption && pathstart != -1 && pathend == -1)
5023 pathend = optind - 2;
5027 /* unknown: opt is "!" */
5028 if (strcmp(optarg, "!") == 0)
5032 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5033 param->fp_verbose |= VERBOSE_COUNT;
5034 param->fp_max_depth = 0;
5037 case LFS_COMP_COUNT_OPT:
5038 param->fp_verbose |= VERBOSE_COMP_COUNT;
5039 param->fp_max_depth = 0;
5041 case LFS_COMP_FLAGS_OPT:
5042 if (optarg != NULL) {
5043 rc = comp_str2flags(optarg,
5044 ¶m->fp_comp_flags,
5045 ¶m->fp_comp_neg_flags);
5047 fprintf(stderr, "error: %s bad "
5048 "component flags '%s'.\n",
5052 param->fp_check_comp_flags = 1;
5054 param->fp_verbose |= VERBOSE_COMP_FLAGS;
5055 param->fp_max_depth = 0;
5058 case LFS_COMP_START_OPT:
5059 if (optarg != NULL) {
5061 if (tmp[0] == '+') {
5062 param->fp_comp_start_sign = -1;
5064 } else if (tmp[0] == '-') {
5065 param->fp_comp_start_sign = 1;
5068 rc = llapi_parse_size(tmp,
5069 ¶m->fp_comp_start,
5070 ¶m->fp_comp_start_units, 0);
5072 fprintf(stderr, "error: %s bad "
5073 "component start '%s'.\n",
5077 param->fp_check_comp_start = 1;
5080 param->fp_verbose |= VERBOSE_COMP_START;
5081 param->fp_max_depth = 0;
5084 case LFS_MIRROR_INDEX_OPT:
5085 if (optarg[0] == '+') {
5086 param->fp_mirror_index_sign = -1;
5088 } else if (optarg[0] == '-') {
5089 param->fp_mirror_index_sign = 1;
5093 param->fp_mirror_index = strtoul(optarg, &end, 0);
5094 if (*end != '\0' || (param->fp_mirror_index == 0 &&
5095 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
5097 "%s %s: invalid mirror index '%s'\n",
5098 progname, argv[0], optarg);
5101 if (param->fp_mirror_id != 0) {
5103 "%s %s: can't specify both mirror index and mirror ID\n",
5107 param->fp_check_mirror_index = 1;
5108 param->fp_exclude_mirror_index = !!neg_opt;
5110 case LFS_MIRROR_ID_OPT:
5111 if (optarg[0] == '+') {
5112 param->fp_mirror_id_sign = -1;
5114 } else if (optarg[0] == '-') {
5115 param->fp_mirror_id_sign = 1;
5119 param->fp_mirror_id = strtoul(optarg, &end, 0);
5120 if (*end != '\0' || (param->fp_mirror_id == 0 &&
5121 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
5123 "%s %s: invalid mirror ID '%s'\n",
5124 progname, argv[0], optarg);
5127 if (param->fp_mirror_index != 0) {
5129 "%s %s: can't specify both mirror index and mirror ID\n",
5133 param->fp_check_mirror_id = 1;
5134 param->fp_exclude_mirror_id = !!neg_opt;
5137 param->fp_max_depth = 0;
5140 param->fp_get_default_lmv = 1;
5143 if (optarg != NULL) {
5145 if (tmp[0] == '+') {
5146 param->fp_comp_end_sign = -1;
5148 } else if (tmp[0] == '-') {
5149 param->fp_comp_end_sign = 1;
5153 if (arg_is_eof(tmp)) {
5154 param->fp_comp_end = LUSTRE_EOF;
5155 param->fp_comp_end_units = 1;
5158 rc = llapi_parse_size(tmp,
5159 ¶m->fp_comp_end,
5160 ¶m->fp_comp_end_units, 0);
5163 fprintf(stderr, "error: %s bad "
5164 "component end '%s'.\n",
5168 param->fp_check_comp_end = 1;
5170 param->fp_verbose |= VERBOSE_COMP_END;
5171 param->fp_max_depth = 0;
5175 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5176 param->fp_verbose |= VERBOSE_DFID;
5177 param->fp_max_depth = 0;
5181 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5182 param->fp_verbose |= VERBOSE_GENERATION;
5183 param->fp_max_depth = 0;
5187 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5188 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
5189 param->fp_max_depth = 0;
5193 if (optarg != NULL) {
5194 param->fp_comp_id = strtoul(optarg, &end, 0);
5195 if (*end != '\0' || param->fp_comp_id == 0 ||
5196 param->fp_comp_id > LCME_ID_MAX) {
5197 fprintf(stderr, "error: %s bad "
5198 "component id '%s'\n",
5202 param->fp_check_comp_id = 1;
5205 param->fp_max_depth = 0;
5206 param->fp_verbose |= VERBOSE_COMP_ID;
5210 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5211 param->fp_verbose |= VERBOSE_PATTERN;
5212 param->fp_max_depth = 0;
5215 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5217 fprintf(stderr, "warning: '-M' deprecated"
5218 ", use '--mdt-index' or '-m' instead\n");
5221 if (!(param->fp_verbose & VERBOSE_DETAIL))
5222 param->fp_max_depth = 0;
5223 param->fp_verbose |= VERBOSE_MDTINDEX;
5226 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5227 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
5228 param->fp_max_depth = 0;
5232 if (param->fp_obd_uuid) {
5234 "error: %s: only one obduuid allowed",
5238 param->fp_obd_uuid = (struct obd_uuid *)optarg;
5241 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5242 param->fp_verbose |= VERBOSE_POOL;
5243 param->fp_max_depth = 0;
5250 param->fp_recursive = 1;
5256 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5257 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
5258 param->fp_max_depth = 0;
5262 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
5268 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5269 param->fp_verbose |= VERBOSE_EXT_SIZE;
5270 param->fp_max_depth = 0;
5278 if (pathstart == -1) {
5279 fprintf(stderr, "error: %s: no filename|pathname\n",
5282 } else if (pathend == -1) {
5290 if (param->fp_recursive)
5291 param->fp_max_depth = -1;
5292 else if (param->fp_verbose & VERBOSE_DETAIL)
5293 param->fp_max_depth = 1;
5295 if (!param->fp_verbose)
5296 param->fp_verbose = VERBOSE_DEFAULT;
5297 if (param->fp_quiet)
5298 param->fp_verbose = VERBOSE_OBJID;
5301 rc = llapi_getstripe(argv[pathstart], param);
5302 } while (++pathstart < pathend && !rc);
5305 fprintf(stderr, "error: %s failed for %s.\n",
5306 argv[0], argv[optind - 1]);
5310 static int lfs_tgts(int argc, char **argv)
5312 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5313 struct find_param param;
5314 int index = 0, rc=0;
5319 if (argc == 2 && !realpath(argv[1], path)) {
5321 fprintf(stderr, "error: invalid path '%s': %s\n",
5322 argv[1], strerror(-rc));
5326 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5327 /* Check if we have a mount point */
5328 if (mntdir[0] == '\0')
5331 memset(¶m, 0, sizeof(param));
5332 if (!strcmp(argv[0], "mdts"))
5333 param.fp_get_lmv = 1;
5335 rc = llapi_ostlist(mntdir, ¶m);
5337 fprintf(stderr, "error: %s: failed on %s\n",
5340 if (path[0] != '\0')
5342 memset(mntdir, 0, PATH_MAX);
5348 static int lfs_getstripe(int argc, char **argv)
5350 struct find_param param = { 0 };
5352 param.fp_max_depth = 1;
5353 return lfs_getstripe_internal(argc, argv, ¶m);
5357 static int lfs_getdirstripe(int argc, char **argv)
5359 struct find_param param = { 0 };
5360 struct option long_opts[] = {
5361 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5362 { .val = 'D', .name = "default", .has_arg = no_argument },
5363 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5364 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5365 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5366 { .val = 'O', .name = "obd", .has_arg = required_argument },
5367 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5368 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5369 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5370 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5374 param.fp_get_lmv = 1;
5376 while ((c = getopt_long(argc, argv,
5377 "cDHimO:rtTvy", long_opts, NULL)) != -1)
5382 param.fp_verbose |= VERBOSE_COUNT;
5385 param.fp_get_default_lmv = 1;
5389 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5391 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5393 fprintf(stderr, "warning: '-t' deprecated, "
5394 "use '--mdt-hash' or '-H' instead\n");
5397 param.fp_verbose |= VERBOSE_HASH_TYPE;
5400 if (param.fp_obd_uuid) {
5402 "error: %s: only one obduuid allowed",
5406 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5409 param.fp_recursive = 1;
5412 param.fp_verbose |= VERBOSE_DETAIL;
5418 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5419 progname, argv[0], argv[optind - 1]);
5427 if (param.fp_recursive)
5428 param.fp_max_depth = -1;
5430 if (!param.fp_verbose)
5431 param.fp_verbose = VERBOSE_DEFAULT;
5434 rc = llapi_getstripe(argv[optind], ¶m);
5435 } while (++optind < argc && !rc);
5438 fprintf(stderr, "error: %s failed for %s.\n",
5439 argv[0], argv[optind - 1]);
5444 MNTDF_INODES = 0x0001,
5445 MNTDF_COOKED = 0x0002,
5446 MNTDF_LAZY = 0x0004,
5447 MNTDF_VERBOSE = 0x0008,
5448 MNTDF_SHOW = 0x0010,
5451 #define COOK(value) \
5454 while (value > 1024) { \
5462 #define CDF "%11llu"
5463 #define HDF "%8.1f%c"
5467 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5469 double avail, used, ratio = 0;
5472 avail = st->os_ffree;
5473 used = st->os_files - st->os_ffree;
5475 avail = st->os_bavail;
5476 used = st->os_blocks - st->os_bfree;
5478 if (avail + used > 0)
5479 ratio = used / (used + avail) * 100;
5481 /* Round up to match df(1) usage percentage */
5482 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5485 /* This is to identify various problem states for "lfs df" if .osn_err = true,
5486 * so only show flags reflecting those states by default. Informational states
5487 * are only shown with "-v" and use lower-case names to distinguish them.
5488 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5490 static struct obd_statfs_state_names {
5491 enum obd_statfs_state osn_state;
5492 const char osn_name;
5495 { .osn_state = OS_STATE_DEGRADED, .osn_name = 'D', .osn_err = true },
5496 { .osn_state = OS_STATE_READONLY, .osn_name = 'R', .osn_err = true },
5497 { .osn_state = OS_STATE_NOPRECREATE, .osn_name = 'N', .osn_err = true },
5498 { .osn_state = OS_STATE_UNUSED1, .osn_name = '?', .osn_err = true },
5499 { .osn_state = OS_STATE_UNUSED2, .osn_name = '?', .osn_err = true },
5500 { .osn_state = OS_STATE_ENOSPC, .osn_name = 'S', .osn_err = true },
5501 { .osn_state = OS_STATE_ENOINO, .osn_name = 'I', .osn_err = true },
5502 { .osn_state = OS_STATE_SUM, .osn_name = 'a', /* aggregate */ },
5503 { .osn_state = OS_STATE_NONROT, .osn_name = 'f', /* flash */ },
5506 static int showdf(char *mntdir, struct obd_statfs *stat,
5507 char *uuid, enum mntdf_flags flags,
5508 char *type, int index, int rc)
5510 long long avail, used, total;
5512 char *suffix = "KMGTPEZY";
5513 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5514 char tbuf[3 * sizeof(__u64)];
5515 char ubuf[3 * sizeof(__u64)];
5516 char abuf[3 * sizeof(__u64)];
5517 char rbuf[3 * sizeof(__u64)];
5524 if (flags & MNTDF_INODES) {
5525 avail = stat->os_ffree;
5526 used = stat->os_files - stat->os_ffree;
5527 total = stat->os_files;
5529 int shift = flags & MNTDF_COOKED ? 0 : 10;
5531 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5532 used = ((stat->os_blocks - stat->os_bfree) *
5533 stat->os_bsize) >> shift;
5534 total = (stat->os_blocks * stat->os_bsize) >> shift;
5537 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5539 if (flags & MNTDF_COOKED) {
5543 cook_val = (double)total;
5546 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5549 snprintf(tbuf, sizeof(tbuf), CDF, total);
5551 cook_val = (double)used;
5554 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5557 snprintf(ubuf, sizeof(ubuf), CDF, used);
5559 cook_val = (double)avail;
5562 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5565 snprintf(abuf, sizeof(abuf), CDF, avail);
5567 snprintf(tbuf, sizeof(tbuf), CDF, total);
5568 snprintf(ubuf, sizeof(tbuf), CDF, used);
5569 snprintf(abuf, sizeof(tbuf), CDF, avail);
5572 sprintf(rbuf, RDF, ratio);
5573 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5574 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5576 printf("[%s:%d]", type, index);
5578 if (stat->os_state) {
5582 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5583 if (oss_names[i].osn_state & stat->os_state &&
5584 (oss_names[i].osn_err ||
5585 flags & MNTDF_VERBOSE))
5586 printf("%c", oss_names[i].osn_name);
5593 printf(UUF": inactive device\n", uuid);
5596 printf(UUF": %s\n", uuid, strerror(-rc));
5603 struct ll_stat_type {
5608 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5610 struct ll_statfs_data {
5612 struct obd_statfs sd_st;
5615 struct ll_statfs_buf {
5617 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5620 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5621 int ops, struct ll_statfs_buf *lsb)
5623 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5624 struct obd_uuid uuid_buf;
5625 char *poolname = NULL;
5626 struct ll_stat_type types[] = {
5627 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5628 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5629 { .st_name = NULL } };
5630 struct ll_stat_type *tp;
5631 __u64 ost_files = 0;
5632 __u64 ost_ffree = 0;
5640 poolname = strchr(pool, '.');
5641 if (poolname != NULL) {
5642 if (strncmp(fsname, pool, strlen(fsname))) {
5643 fprintf(stderr, "filesystem name incorrect\n");
5651 fd = open(mntdir, O_RDONLY);
5654 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5659 if (flags & MNTDF_SHOW) {
5660 if (flags & MNTDF_INODES)
5661 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5662 "UUID", "Inodes", "IUsed", "IFree",
5663 "IUse%", "Mounted on");
5665 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5667 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5668 "Used", "Available", "Use%", "Mounted on");
5671 for (tp = types; tp->st_name != NULL; tp++) {
5672 bool have_ost = false;
5674 if (!(tp->st_op & ops))
5677 for (index = 0; ; index++) {
5678 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5679 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5680 type = flags & MNTDF_LAZY ?
5681 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5682 rc2 = llapi_obd_fstatfs(fd, type, index,
5683 &stat_buf, &uuid_buf);
5688 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5689 if (!(flags & MNTDF_VERBOSE))
5691 } else if (rc2 < 0 && rc == 0) {
5695 /* If we have OSTs then don't report MDT block counts.
5696 * For MDT-only filesystems the expectation is that all
5697 * layouts have a DoM component. For filesystems with
5698 * OSTs, files are not necessarily going to store data
5699 * on MDTs, and MDT space is limited to a fraction of
5700 * OST space, so don't include it in the summary.
5702 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5709 if (poolname && tp->st_op == LL_STATFS_LOV &&
5710 llapi_search_ost(fsname, poolname,
5711 obd_uuid2str(&uuid_buf)) != 1)
5714 /* the llapi_obd_statfs() call may have returned with
5715 * an error, but if it filled in uuid_buf we will at
5716 * lease use that to print out a message for that OBD.
5717 * If we didn't get anything in the uuid_buf, then fill
5718 * it in so that we can print an error message. */
5719 if (uuid_buf.uuid[0] == '\0')
5720 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5721 "%s%04x", tp->st_name, index);
5723 lsb->sb_buf[lsb->sb_count].sd_index = index;
5724 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5727 if (flags & MNTDF_SHOW)
5728 showdf(mntdir, &stat_buf,
5729 obd_uuid2str(&uuid_buf), flags,
5730 tp->st_name, index, rc2);
5735 if (tp->st_op == LL_STATFS_LMV) {
5736 sum.os_ffree += stat_buf.os_ffree;
5737 sum.os_files += stat_buf.os_files;
5738 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5739 ost_files += stat_buf.os_files;
5740 ost_ffree += stat_buf.os_ffree;
5742 sum.os_blocks += stat_buf.os_blocks *
5744 sum.os_bfree += stat_buf.os_bfree *
5746 sum.os_bavail += stat_buf.os_bavail *
5753 /* If we have _some_ OSTs, but don't have as many free objects on the
5754 * OST as inodes on the MDTs, reduce the reported number of inodes
5755 * to compensate, so that the "inodes in use" number is correct.
5756 * This should be kept in sync with ll_statfs_internal().
5758 if (ost_files && ost_ffree < sum.os_ffree) {
5759 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5760 sum.os_ffree = ost_ffree;
5762 if (flags & MNTDF_SHOW) {
5764 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5772 static int lfs_setdirstripe(int argc, char **argv)
5775 struct lfs_setstripe_args lsa = { 0 };
5776 struct llapi_stripe_param *param = NULL;
5777 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5780 char *mode_opt = NULL;
5781 bool default_stripe = false;
5782 bool delete = false;
5783 bool foreign_mode = false;
5784 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5785 mode_t previous_mode = 0;
5787 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5788 struct option long_opts[] = {
5789 { .val = 'c', .name = "count", .has_arg = required_argument },
5790 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5791 { .val = 'd', .name = "delete", .has_arg = no_argument },
5792 { .val = 'D', .name = "default", .has_arg = no_argument },
5793 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5794 { .val = LFS_LAYOUT_FLAGS_OPT,
5795 .name = "flags", .has_arg = required_argument },
5796 { .val = LFS_LAYOUT_FOREIGN_OPT,
5797 .name = "foreign", .has_arg = optional_argument},
5798 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5799 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5800 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5801 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5803 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5804 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5805 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5807 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5808 { .val = 'i', .name = "index", .has_arg = required_argument },
5810 { .val = 'o', .name = "mode", .has_arg = required_argument },
5811 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5812 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5814 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5815 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5816 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5820 setstripe_args_init(&lsa);
5822 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5823 long_opts, NULL)) >= 0) {
5830 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5833 "%s %s: invalid stripe count '%s'\n",
5834 progname, argv[0], optarg);
5840 default_stripe = true;
5843 default_stripe = true;
5845 case LFS_LAYOUT_FOREIGN_OPT:
5846 if (optarg != NULL) {
5847 /* check pure numeric */
5848 type = strtoul(optarg, &end, 0);
5851 type = check_foreign_type_name(optarg);
5852 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5854 "%s %s: unknown foreign type '%s'\n",
5861 foreign_mode = true;
5863 case LFS_LAYOUT_FLAGS_OPT:
5864 flags = strtoul(optarg, &end, 16);
5867 "%s %s: bad flags '%s'\n",
5868 progname, argv[0], optarg);
5872 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5874 fprintf(stderr, "warning: '--hash-type' and '-t' "
5875 "deprecated, use '--mdt-hash' or '-H' instead\n");
5878 lsa.lsa_pattern = check_hashtype(optarg);
5879 if (lsa.lsa_pattern == 0) {
5881 "%s %s: bad stripe hash type '%s'\n",
5882 progname, argv[0], optarg);
5887 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5890 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5891 if (strcmp(argv[optind - 1], "--index") == 0)
5893 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5896 lsa.lsa_nr_tgts = parse_targets(mdts,
5897 sizeof(mdts) / sizeof(__u32),
5898 lsa.lsa_nr_tgts, optarg, NULL);
5899 if (lsa.lsa_nr_tgts < 0) {
5901 "%s %s: invalid MDT target(s) '%s'\n",
5902 progname, argv[0], optarg);
5906 lsa.lsa_tgts = mdts;
5907 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5908 lsa.lsa_stripe_off = mdts[0];
5910 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5912 fprintf(stderr, "warning: '-m' is deprecated, "
5913 "use '--mode' or '-o' instead\n");
5922 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5923 progname, argv[0], argv[optind - 1]);
5928 if (optind == argc) {
5929 fprintf(stderr, "%s %s: DIR must be specified\n",
5934 if (xattr && !foreign_mode) {
5935 /* only print a warning as this is armless and will be
5939 "%s %s: xattr has been specified for non-foreign layout\n",
5941 } else if (foreign_mode && !xattr) {
5943 "%s %s: xattr must be provided in foreign mode\n",
5948 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
5949 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
5951 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
5956 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5957 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
5959 "%s %s: stripe offset and count must be specified\n",
5965 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5966 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5968 "%s %s: cannot specify -d with -c or -i options\n",
5973 if (mode_opt != NULL) {
5974 mode = strtoul(mode_opt, &end, 8);
5977 "%s %s: bad MODE '%s'\n",
5978 progname, argv[0], mode_opt);
5981 previous_mode = umask(0);
5984 /* foreign LMV/dir case */
5986 if (argc > optind + 1) {
5988 "%s %s: cannot specify multiple foreign dirs\n",
5993 dname = argv[optind];
5994 result = llapi_dir_create_foreign(dname, mode, type, flags,
5998 "%s mkdir: can't create foreign dir '%s': %s\n",
5999 progname, dname, strerror(-result));
6004 * initialize stripe parameters, in case param is converted to specific,
6005 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
6007 param = calloc(1, offsetof(typeof(*param),
6008 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
6009 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
6010 if (param == NULL) {
6012 "%s %s: cannot allocate memory for parameters: %s\n",
6013 progname, argv[0], strerror(ENOMEM));
6017 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
6018 param->lsp_stripe_count = lsa.lsa_stripe_count;
6019 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6020 param->lsp_stripe_offset = -1;
6022 param->lsp_stripe_offset = lsa.lsa_stripe_off;
6023 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
6024 param->lsp_stripe_pattern = lsa.lsa_pattern;
6026 param->lsp_stripe_pattern = LMV_HASH_TYPE_UNKNOWN;
6027 param->lsp_pool = lsa.lsa_pool_name;
6028 param->lsp_is_specific = false;
6029 if (lsa.lsa_nr_tgts > 1) {
6030 if (lsa.lsa_stripe_count > 0 &&
6031 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
6032 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
6034 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
6035 argv[0], lsa.lsa_stripe_count,
6041 param->lsp_is_specific = true;
6042 param->lsp_stripe_count = lsa.lsa_nr_tgts;
6043 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
6046 dname = argv[optind];
6048 if (default_stripe) {
6049 result = llapi_dir_set_default_lmv(dname, param);
6052 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
6053 progname, dname, strerror(-result));
6057 result = llapi_dir_create(dname, mode, param);
6060 "%s setdirstripe: cannot create dir '%s': %s\n",
6061 progname, dname, strerror(-result));
6062 } while (!result && (dname = argv[++optind]));
6064 if (mode_opt != NULL)
6065 umask(previous_mode);
6072 static int lfs_rmentry(int argc, char **argv)
6079 fprintf(stderr, "error: %s: missing dirname\n",
6085 dname = argv[index];
6086 while (dname != NULL) {
6087 result = llapi_direntry_remove(dname);
6089 fprintf(stderr, "error: %s: remove dir entry '%s' "
6090 "failed\n", argv[0], dname);
6093 dname = argv[++index];
6098 static int lfs_mv(int argc, char **argv)
6100 struct lmv_user_md lmu = { LMV_USER_MAGIC };
6101 struct find_param param = {
6108 struct option long_opts[] = {
6109 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6110 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6111 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6114 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
6116 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6118 fprintf(stderr, "warning: '-M' deprecated"
6119 ", use '--mdt-index' or '-m' instead\n");
6122 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
6124 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
6130 param.fp_verbose = VERBOSE_DETAIL;
6133 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
6134 progname, argv[optind - 1]);
6139 if (lmu.lum_stripe_offset == LMV_OFFSET_DEFAULT) {
6140 fprintf(stderr, "%s mv: MDT index must be specified\n",
6145 if (optind >= argc) {
6146 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6150 lmu.lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
6152 /* initialize migrate mdt parameters */
6153 param.fp_lmv_md = &lmu;
6154 param.fp_migrate = 1;
6155 rc = llapi_migrate_mdt(argv[optind], ¶m);
6157 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6158 progname, argv[optind], lmu.lum_stripe_offset,
6163 static int lfs_osts(int argc, char **argv)
6165 return lfs_tgts(argc, argv);
6168 static int lfs_mdts(int argc, char **argv)
6170 return lfs_tgts(argc, argv);
6173 static int lfs_df(int argc, char **argv)
6175 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6176 enum mntdf_flags flags = MNTDF_SHOW;
6177 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6178 int c, rc = 0, index = 0;
6179 char fsname[PATH_MAX] = "", *pool_name = NULL;
6180 struct option long_opts[] = {
6181 { .val = 'h', .name = "human-readable",
6182 .has_arg = no_argument },
6183 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6184 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6185 { .val = 'p', .name = "pool", .has_arg = required_argument },
6186 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6189 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6192 flags |= MNTDF_COOKED;
6195 flags |= MNTDF_INODES;
6198 flags |= MNTDF_LAZY;
6204 flags |= MNTDF_VERBOSE;
6210 if (optind < argc && !realpath(argv[optind], path)) {
6212 fprintf(stderr, "error: invalid path '%s': %s\n",
6213 argv[optind], strerror(-rc));
6217 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6218 /* Check if we have a mount point */
6219 if (mntdir[0] == '\0')
6222 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6223 if (rc || path[0] != '\0')
6225 fsname[0] = '\0'; /* avoid matching in next loop */
6226 mntdir[0] = '\0'; /* avoid matching in next loop */
6232 static int print_instance(const char *mntdir, char *buf, size_t buflen,
6233 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6237 if (opt_fsname == opt_instance) { /* both true or both false */
6238 rc = llapi_getname(mntdir, buf, buflen);
6239 } else if (opt_fsname) {
6240 /* llapi_search_mounts() fills @buf with fsname, but that is not
6241 * called if explicit paths are specified on the command-line
6244 rc = llapi_get_fsname(mntdir, buf, buflen);
6245 } else /* if (opt_instance) */ {
6246 rc = llapi_get_instance(mntdir, buf, buflen);
6250 fprintf(stderr, "cannot get instance for '%s': %s\n",
6251 mntdir, strerror(-rc));
6256 printf("%s %s\n", buf, mntdir);
6258 printf("%s\n", buf);
6263 static int lfs_getname(int argc, char **argv)
6265 struct option long_opts[] = {
6266 { .val = 'h', .name = "help", .has_arg = no_argument },
6267 { .val = 'i', .name = "instance", .has_arg = no_argument },
6268 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6270 bool opt_instance = false, opt_fsname = false;
6271 char fsname[PATH_MAX] = "";
6274 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6277 opt_instance = true;
6288 if (optind == argc) { /* no paths specified, get all paths. */
6289 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6292 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6293 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6294 opt_instance, opt_fsname, true);
6297 path[0] = fsname[0] = mntdir[0] = '\0';
6299 } else { /* paths specified, only attempt to search these. */
6302 /* if only one path is given, print only requested info */
6303 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6305 for (; optind < argc; optind++) {
6306 rc2 = print_instance(argv[optind], fsname,
6307 sizeof(fsname), opt_instance,
6308 opt_fsname, opt_mntdir);
6318 static int lfs_check(int argc, char **argv)
6320 char mntdir[PATH_MAX] = {'\0'};
6329 fprintf(stderr, "%s check: server type must be specified\n",
6334 obd_types[0] = obd_type1;
6335 obd_types[1] = obd_type2;
6336 obd_types[2] = obd_type3;
6338 if (strcmp(argv[1], "osts") == 0) {
6339 strcpy(obd_types[0], "osc");
6340 } else if (strcmp(argv[1], "mdts") == 0 ||
6341 strcmp(argv[1], "mds") == 0) {
6342 strcpy(obd_types[0], "mdc");
6343 } else if (strcmp(argv[1], "mgts") == 0) {
6344 strcpy(obd_types[0], "mgc");
6345 } else if (strcmp(argv[1], "all") == 0 ||
6346 strcmp(argv[1], "servers") == 0) {
6348 strcpy(obd_types[0], "osc");
6349 strcpy(obd_types[1], "mdc");
6350 strcpy(obd_types[2], "mgc");
6352 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6357 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6358 if (rc < 0 || mntdir[0] == '\0') {
6360 "%s check: cannot find mounted Lustre filesystem: %s\n",
6361 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6365 rc = llapi_target_check(num_types, obd_types, mntdir);
6367 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6368 progname, argv[1], strerror(-rc));
6374 #ifdef HAVE_SYS_QUOTA_H
6375 #define ARG2INT(nr, str, msg) \
6378 nr = strtol(str, &endp, 0); \
6379 if (*endp != '\0') { \
6380 fprintf(stderr, "%s: bad %s '%s'\n", \
6381 progname, msg, str); \
6386 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
6388 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6389 * returns the value or ULONG_MAX on integer overflow or incorrect format
6391 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6392 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6393 * 3. empty integer value is interpreted as 0
6395 static unsigned long str2sec(const char* timestr)
6397 const char spec[] = "smhdw";
6398 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6399 unsigned long val = 0;
6402 if (strpbrk(timestr, spec) == NULL) {
6403 /* no specifiers inside the time string,
6404 should treat it as an integer value */
6405 val = strtoul(timestr, &tail, 10);
6406 return *tail ? ULONG_MAX : val;
6409 /* format string is XXwXXdXXhXXmXXs */
6415 v = strtoul(timestr, &tail, 10);
6416 if (v == ULONG_MAX || *tail == '\0')
6417 /* value too large (ULONG_MAX or more)
6418 or missing specifier */
6421 ptr = strchr(spec, *tail);
6423 /* unknown specifier */
6428 /* check if product will overflow the type */
6429 if (!(v < ULONG_MAX / mult[ind]))
6432 ADD_OVERFLOW(val, mult[ind] * v);
6433 if (val == ULONG_MAX)
6445 #define ARG2ULL(nr, str, def_units) \
6447 unsigned long long limit, units = def_units; \
6450 rc = llapi_parse_size(str, &limit, &units, 1); \
6452 fprintf(stderr, "%s: invalid limit '%s'\n", \
6459 static inline int has_times_option(int argc, char **argv)
6463 for (i = 1; i < argc; i++)
6464 if (!strcmp(argv[i], "-t"))
6470 int lfs_setquota_times(int argc, char **argv)
6473 struct if_quotactl qctl;
6474 char *mnt, *obd_type = (char *)qctl.obd_type;
6475 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6476 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
6477 struct option long_opts[] = {
6478 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6479 { .val = 'g', .name = "group", .has_arg = no_argument },
6480 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6481 { .val = 'p', .name = "projid", .has_arg = no_argument },
6482 { .val = 't', .name = "times", .has_arg = no_argument },
6483 { .val = 'u', .name = "user", .has_arg = no_argument },
6487 memset(&qctl, 0, sizeof(qctl));
6488 qctl.qc_cmd = LUSTRE_Q_SETINFO;
6489 qctl.qc_type = ALLQUOTA;
6491 while ((c = getopt_long(argc, argv, "b:gi:ptu",
6492 long_opts, NULL)) != -1) {
6503 if (qctl.qc_type != ALLQUOTA) {
6504 fprintf(stderr, "error: -u/g/p can't be used "
6505 "more than once\n");
6508 qctl.qc_type = qtype;
6511 if (strncmp(optarg, NOTIFY_GRACE,
6512 strlen(NOTIFY_GRACE)) == 0) {
6513 dqi->dqi_bgrace = NOTIFY_GRACE_TIME;
6515 dqi->dqi_bgrace = str2sec(optarg);
6516 if (dqi->dqi_bgrace >= NOTIFY_GRACE_TIME) {
6517 fprintf(stderr, "error: bad "
6518 "block-grace: %s\n", optarg);
6522 dqb->dqb_valid |= QIF_BTIME;
6525 if (strncmp(optarg, NOTIFY_GRACE,
6526 strlen(NOTIFY_GRACE)) == 0) {
6527 dqi->dqi_igrace = NOTIFY_GRACE_TIME;
6529 dqi->dqi_igrace = str2sec(optarg);
6530 if (dqi->dqi_igrace >= NOTIFY_GRACE_TIME) {
6531 fprintf(stderr, "error: bad "
6532 "inode-grace: %s\n", optarg);
6536 dqb->dqb_valid |= QIF_ITIME;
6538 case 't': /* Yes, of course! */
6540 /* getopt prints error message for us when opterr != 0 */
6546 if (qctl.qc_type == ALLQUOTA) {
6547 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6551 if (optind != argc - 1) {
6552 fprintf(stderr, "error: unexpected parameters encountered\n");
6557 rc = llapi_quotactl(mnt, &qctl);
6560 fprintf(stderr, "%s %s ", obd_type,
6561 obd_uuid2str(&qctl.obd_uuid));
6562 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6569 #define BSLIMIT (1 << 0)
6570 #define BHLIMIT (1 << 1)
6571 #define ISLIMIT (1 << 2)
6572 #define IHLIMIT (1 << 3)
6574 int lfs_setquota(int argc, char **argv)
6577 struct if_quotactl qctl;
6578 char *mnt, *obd_type = (char *)qctl.obd_type;
6579 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6580 struct option long_opts[] = {
6581 { .val = 'b', .name = "block-softlimit",
6582 .has_arg = required_argument },
6583 { .val = 'B', .name = "block-hardlimit",
6584 .has_arg = required_argument },
6585 { .val = 'd', .name = "default", .has_arg = no_argument },
6586 { .val = 'g', .name = "group", .has_arg = required_argument },
6587 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6588 { .val = 'i', .name = "inode-softlimit",
6589 .has_arg = required_argument },
6590 { .val = 'I', .name = "inode-hardlimit",
6591 .has_arg = required_argument },
6592 { .val = 'p', .name = "projid", .has_arg = required_argument },
6593 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6594 { .val = 'u', .name = "user", .has_arg = required_argument },
6595 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6597 unsigned limit_mask = 0;
6599 bool use_default = false;
6602 if (has_times_option(argc, argv))
6603 return lfs_setquota_times(argc, argv);
6605 memset(&qctl, 0, sizeof(qctl));
6606 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
6607 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6608 * so it can be used as a marker that qc_type
6609 * isn't reinitialized from command line */
6611 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
6612 long_opts, NULL)) != -1) {
6615 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6618 goto quota_type_def;
6621 rc = name2uid(&qctl.qc_id, optarg);
6624 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6627 goto quota_type_def;
6630 rc = name2gid(&qctl.qc_id, optarg);
6633 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6636 goto quota_type_def;
6639 rc = name2projid(&qctl.qc_id, optarg);
6642 qctl.qc_id = strtoul(optarg, &endptr, 10);
6643 if (*endptr != '\0') {
6644 fprintf(stderr, "%s setquota: invalid"
6645 " id '%s'\n", progname, optarg);
6650 if (qctl.qc_id == 0) {
6651 fprintf(stderr, "%s setquota: can't set quota"
6652 " for root usr/group/project.\n",
6658 if (qctl.qc_type != ALLQUOTA) {
6660 "%s setquota: only one of -u, -U, -g,"
6661 " -G, -p or -P may be specified\n",
6665 qctl.qc_type = qtype;
6668 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6672 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6673 dqb->dqb_bsoftlimit >>= 10;
6674 limit_mask |= BSLIMIT;
6675 if (dqb->dqb_bsoftlimit &&
6676 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6678 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6679 "See '%s help setquota' or Lustre manual for details\n",
6681 (unsigned long long)dqb->dqb_bsoftlimit,
6685 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6686 dqb->dqb_bhardlimit >>= 10;
6687 limit_mask |= BHLIMIT;
6688 if (dqb->dqb_bhardlimit &&
6689 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6691 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6692 "See '%s help setquota' or Lustre manual for details\n",
6694 (unsigned long long)dqb->dqb_bhardlimit,
6698 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6699 limit_mask |= ISLIMIT;
6700 if (dqb->dqb_isoftlimit &&
6701 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6703 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6704 "See '%s help setquota' or Lustre manual for details\n",
6706 (unsigned long long)dqb->dqb_isoftlimit,
6710 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6711 limit_mask |= IHLIMIT;
6712 if (dqb->dqb_ihardlimit &&
6713 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6715 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6716 "See '%s help setquota' or Lustre manual for details\n",
6718 (unsigned long long)dqb->dqb_ihardlimit,
6723 "%s setquota: unrecognized option '%s'\n",
6724 progname, argv[optind - 1]);
6729 if (qctl.qc_type == ALLQUOTA) {
6731 "%s setquota: either -u or -g must be specified\n",
6736 if (!use_default && limit_mask == 0) {
6738 "%s setquota: at least one limit must be specified\n",
6743 if (use_default && limit_mask != 0) {
6745 "%s setquota: limits should not be specified when"
6746 " using default quota\n",
6751 if (use_default && qctl.qc_id == 0) {
6753 "%s setquota: can not set default quota for root"
6754 " user/group/project\n",
6759 if (optind != argc - 1) {
6761 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6762 progname, argv[optind]);
6769 dqb->dqb_bhardlimit = 0;
6770 dqb->dqb_bsoftlimit = 0;
6771 dqb->dqb_ihardlimit = 0;
6772 dqb->dqb_isoftlimit = 0;
6775 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6776 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6777 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6778 /* sigh, we can't just set blimits/ilimits */
6779 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6780 .qc_type = qctl.qc_type,
6781 .qc_id = qctl.qc_id};
6783 rc = llapi_quotactl(mnt, &tmp_qctl);
6787 if (!(limit_mask & BHLIMIT))
6788 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6789 if (!(limit_mask & BSLIMIT))
6790 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6791 if (!(limit_mask & IHLIMIT))
6792 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6793 if (!(limit_mask & ISLIMIT))
6794 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6796 /* Keep grace times if we have got no softlimit arguments */
6797 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6798 dqb->dqb_valid |= QIF_BTIME;
6799 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6802 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6803 dqb->dqb_valid |= QIF_ITIME;
6804 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6808 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6809 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6811 rc = llapi_quotactl(mnt, &qctl);
6815 "%s setquota: cannot quotactl '%s' '%s': %s",
6817 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6824 /* Converts seconds value into format string
6825 * result is returned in buf
6827 * 1. result is in descenting order: 1w2d3h4m5s
6828 * 2. zero fields are not filled (except for p. 3): 5d1s
6829 * 3. zero seconds value is presented as "0s"
6831 static char * __sec2str(time_t seconds, char *buf)
6833 const char spec[] = "smhdw";
6834 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6839 for (i = ARRAY_SIZE(mult) - 1 ; i >= 0; i--) {
6840 c = seconds / mult[i];
6842 if (c > 0 || (i == 0 && buf == tail))
6843 tail += scnprintf(tail, 40-(tail-buf), "%lu%c", c,
6852 static void sec2str(time_t seconds, char *buf, int rc)
6859 tail = __sec2str(seconds, tail);
6861 if (rc && tail - buf < 39) {
6867 static void diff2str(time_t seconds, char *buf, time_t now)
6873 if (seconds <= now) {
6874 strcpy(buf, "none");
6877 __sec2str(seconds - now, buf);
6880 static void print_quota_title(char *name, struct if_quotactl *qctl,
6881 bool human_readable, bool show_default)
6884 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6885 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6886 "Filesystem", "bquota", "blimit", "bgrace",
6887 "iquota", "ilimit", "igrace");
6889 printf("Disk quotas for %s %s (%cid %u):\n",
6890 qtype_name(qctl->qc_type), name,
6891 *qtype_name(qctl->qc_type), qctl->qc_id);
6892 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6893 "Filesystem", human_readable ? "used" : "kbytes",
6894 "quota", "limit", "grace",
6895 "files", "quota", "limit", "grace");
6899 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6902 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6905 snprintf(buf, buflen, "%5.4gP",
6906 (double)num / ((__u64)1 << 40));
6908 snprintf(buf, buflen, "%5.4gT",
6909 (double)num / (1 << 30));
6911 snprintf(buf, buflen, "%5.4gG",
6912 (double)num / (1 << 20));
6914 snprintf(buf, buflen, "%5.4gM",
6915 (double)num / (1 << 10));
6917 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6921 #define STRBUF_LEN 32
6922 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6923 int rc, bool h, bool show_default)
6929 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6930 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6931 int bover = 0, iover = 0;
6932 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6933 char numbuf[3][STRBUF_LEN];
6935 char strbuf[STRBUF_LEN];
6937 if (dqb->dqb_bhardlimit &&
6938 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6940 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6941 if (dqb->dqb_btime > now) {
6948 if (dqb->dqb_ihardlimit &&
6949 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6951 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6952 if (dqb->dqb_itime > now) {
6960 if (strlen(mnt) > 15)
6961 printf("%s\n%15s", mnt, "");
6963 printf("%15s", mnt);
6966 diff2str(dqb->dqb_btime, timebuf, now);
6967 else if (show_default)
6968 snprintf(timebuf, sizeof(timebuf), "%llu",
6969 (unsigned long long)dqb->dqb_btime);
6971 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6972 strbuf, sizeof(strbuf), h);
6973 if (rc == -EREMOTEIO)
6974 sprintf(numbuf[0], "%s*", strbuf);
6976 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6977 "%s" : "[%s]", strbuf);
6979 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6980 if (type == QC_GENERAL)
6981 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6982 "%s" : "[%s]", strbuf);
6984 sprintf(numbuf[1], "%s", "-");
6986 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6987 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6988 "%s" : "[%s]", strbuf);
6991 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6993 printf(" %7s%c %6s %7s %7s",
6994 numbuf[0], bover ? '*' : ' ', numbuf[1],
6995 numbuf[2], bover > 1 ? timebuf : "-");
6999 diff2str(dqb->dqb_itime, timebuf, now);
7000 else if (show_default)
7001 snprintf(timebuf, sizeof(timebuf), "%llu",
7002 (unsigned long long)dqb->dqb_itime);
7004 snprintf(numbuf[0], sizeof(numbuf),
7005 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
7006 (uintmax_t)dqb->dqb_curinodes);
7008 if (type == QC_GENERAL)
7009 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
7011 (uintmax_t)dqb->dqb_isoftlimit);
7013 sprintf(numbuf[1], "%s", "-");
7015 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
7016 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
7019 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
7020 else if (type != QC_OSTIDX)
7021 printf(" %7s%c %6s %7s %7s",
7022 numbuf[0], iover ? '*' : ' ', numbuf[1],
7023 numbuf[2], iover > 1 ? timebuf : "-");
7025 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
7027 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
7028 qctl->qc_cmd == Q_GETOINFO) {
7032 if (qctl->qc_dqinfo.dqi_bgrace == NOTIFY_GRACE_TIME)
7033 strncpy(bgtimebuf, NOTIFY_GRACE, 40);
7035 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
7036 if (qctl->qc_dqinfo.dqi_igrace == NOTIFY_GRACE_TIME)
7037 strncpy(igtimebuf, NOTIFY_GRACE, 40);
7039 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
7041 printf("Block grace time: %s; Inode grace time: %s\n",
7042 bgtimebuf, igtimebuf);
7046 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
7047 bool h, __u64 *total)
7049 int rc = 0, rc1 = 0, count = 0;
7050 __u32 valid = qctl->qc_valid;
7052 rc = llapi_get_obd_count(mnt, &count, is_mdt);
7054 fprintf(stderr, "can not get %s count: %s\n",
7055 is_mdt ? "mdt": "ost", strerror(-rc));
7059 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
7060 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
7061 rc = llapi_quotactl(mnt, qctl);
7063 /* It is remote client case. */
7064 if (rc == -EOPNOTSUPP) {
7071 fprintf(stderr, "quotactl %s%d failed.\n",
7072 is_mdt ? "mdt": "ost", qctl->qc_idx);
7076 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
7077 qctl->qc_valid, 0, h, false);
7078 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
7079 qctl->qc_dqblk.dqb_bhardlimit;
7082 qctl->qc_valid = valid;
7086 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
7087 int verbose, int quiet, bool human_readable,
7090 int rc1 = 0, rc2 = 0, rc3 = 0;
7091 char *obd_type = (char *)qctl->obd_type;
7092 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
7093 __u64 total_ialloc = 0, total_balloc = 0;
7094 bool use_default_for_blk = false;
7095 bool use_default_for_file = false;
7098 rc1 = llapi_quotactl(mnt, qctl);
7102 fprintf(stderr, "%s quotas are not enabled.\n",
7103 qtype_name(qctl->qc_type));
7106 fprintf(stderr, "Permission denied.\n");
7109 /* We already got error message. */
7112 fprintf(stderr, "Unexpected quotactl error: %s\n",
7117 if (!show_default && qctl->qc_id == 0) {
7118 qctl->qc_dqblk.dqb_bhardlimit = 0;
7119 qctl->qc_dqblk.dqb_bsoftlimit = 0;
7120 qctl->qc_dqblk.dqb_ihardlimit = 0;
7121 qctl->qc_dqblk.dqb_isoftlimit = 0;
7122 qctl->qc_dqblk.dqb_btime = 0;
7123 qctl->qc_dqblk.dqb_itime = 0;
7124 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
7127 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
7128 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
7129 use_default_for_blk = true;
7130 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
7133 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
7134 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
7135 use_default_for_file = true;
7136 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7139 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7140 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7141 print_quota_title(name, qctl, human_readable, show_default);
7143 if (rc1 && *obd_type)
7144 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7146 if (qctl->qc_valid != QC_GENERAL)
7149 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
7150 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7151 (QIF_LIMITS|QIF_USAGE));
7153 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7155 if (!show_default && verbose &&
7156 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
7157 char strbuf[STRBUF_LEN];
7159 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7161 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7163 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7165 printf("Total allocated inode limit: %ju, total "
7166 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
7170 if (use_default_for_blk)
7171 printf("%cid %u is using default block quota setting\n",
7172 *qtype_name(qctl->qc_type), qctl->qc_id);
7174 if (use_default_for_file)
7175 printf("%cid %u is using default file quota setting\n",
7176 *qtype_name(qctl->qc_type), qctl->qc_id);
7178 if (rc1 || rc2 || rc3 || inacc)
7179 printf("Some errors happened when getting quota info. "
7180 "Some devices may be not working or deactivated. "
7181 "The data in \"[]\" is inaccurate.\n");
7195 static int lfs_project(int argc, char **argv)
7197 int ret = 0, err = 0, c, i;
7198 struct project_handle_control phc = { 0 };
7199 enum lfs_project_ops_t op;
7202 phc.assign_projid = false;
7203 /* default action */
7204 op = LFS_PROJECT_LIST;
7206 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7209 if (op != LFS_PROJECT_LIST) {
7211 "%s: cannot specify '-c' '-C' '-s' together\n",
7216 op = LFS_PROJECT_CHECK;
7219 if (op != LFS_PROJECT_LIST) {
7221 "%s: cannot specify '-c' '-C' '-s' together\n",
7226 op = LFS_PROJECT_CLEAR;
7229 if (op != LFS_PROJECT_LIST) {
7231 "%s: cannot specify '-c' '-C' '-s' together\n",
7236 phc.set_inherit = true;
7237 op = LFS_PROJECT_SET;
7243 phc.keep_projid = true;
7246 phc.recursive = true;
7249 phc.projid = strtoul(optarg, NULL, 0);
7250 phc.assign_projid = true;
7254 phc.newline = false;
7257 fprintf(stderr, "%s: invalid option '%c'\n",
7263 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7264 op = LFS_PROJECT_SET;
7265 phc.set_projid = true;
7266 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7267 phc.set_projid = true;
7271 case LFS_PROJECT_CHECK:
7272 if (phc.keep_projid) {
7274 "%s: '-k' is useless together with '-c'\n",
7279 case LFS_PROJECT_CLEAR:
7282 "%s: '-0' is useless together with '-C'\n",
7286 if (phc.assign_projid) {
7288 "%s: '-p' is useless together with '-C'\n",
7293 case LFS_PROJECT_SET:
7296 "%s: '-0' is useless together with '-s'\n",
7300 if (phc.keep_projid) {
7302 "%s: '-k' is useless together with '-s'\n",
7310 "%s: '-0' is useless for list operations\n",
7320 fprintf(stderr, "%s: missing file or directory target(s)\n",
7325 for (i = 0; i < argc; i++) {
7327 case LFS_PROJECT_CHECK:
7328 err = lfs_project_check(argv[i], &phc);
7330 case LFS_PROJECT_LIST:
7331 err = lfs_project_list(argv[i], &phc);
7333 case LFS_PROJECT_CLEAR:
7334 err = lfs_project_clear(argv[i], &phc);
7336 case LFS_PROJECT_SET:
7337 err = lfs_project_set(argv[i], &phc);
7349 static int lfs_quota(int argc, char **argv)
7352 char *mnt, *name = NULL;
7353 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
7354 .qc_type = ALLQUOTA };
7355 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
7356 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7358 __u32 valid = QC_GENERAL, idx = 0;
7359 bool human_readable = false;
7360 bool show_default = false;
7363 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
7366 show_default = true;
7371 show_default = true;
7376 show_default = true;
7380 if (qctl.qc_type != ALLQUOTA) {
7382 "%s quota: only one of -u, -g, or -p may be specified\n",
7386 qctl.qc_type = qtype;
7389 qctl.qc_cmd = LUSTRE_Q_GETINFO;
7392 valid = qctl.qc_valid = QC_UUID;
7393 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
7396 valid = qctl.qc_valid = QC_MDTIDX;
7397 idx = qctl.qc_idx = atoi(optarg);
7398 if (idx == 0 && *optarg != '0') {
7400 "%s quota: invalid MDT index '%s'\n",
7406 valid = qctl.qc_valid = QC_OSTIDX;
7407 idx = qctl.qc_idx = atoi(optarg);
7408 if (idx == 0 && *optarg != '0') {
7410 "%s quota: invalid OST index '%s'\n",
7422 human_readable = true;
7425 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7426 progname, argv[optind - 1]);
7431 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7432 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
7433 optind == argc - 1 && !show_default) {
7435 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
7438 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7439 qctl.qc_type = qtype;
7440 qctl.qc_valid = valid;
7441 if (qtype == USRQUOTA) {
7442 qctl.qc_id = geteuid();
7443 rc = uid2name(&name, qctl.qc_id);
7445 qctl.qc_id = getegid();
7446 rc = gid2name(&name, qctl.qc_id);
7447 memset(&qctl.qc_dqblk, 0,
7448 sizeof(qctl.qc_dqblk));
7453 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
7454 human_readable, show_default);
7459 /* lfs quota -u username /path/to/lustre/mount */
7460 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
7461 /* options should be followed by u/g-name and mntpoint */
7462 if ((!show_default && optind + 2 != argc) ||
7463 (show_default && optind + 1 != argc) ||
7464 qctl.qc_type == ALLQUOTA) {
7466 "%s quota: name and mount point must be specified\n",
7471 if (!show_default) {
7472 name = argv[optind++];
7473 switch (qctl.qc_type) {
7475 rc = name2uid(&qctl.qc_id, name);
7478 rc = name2gid(&qctl.qc_id, name);
7481 rc = name2projid(&qctl.qc_id, name);
7488 qctl.qc_valid = QC_GENERAL;
7489 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
7494 qctl.qc_id = strtoul(name, &endptr, 10);
7495 if (*endptr != '\0') {
7496 fprintf(stderr, "%s quota: invalid id '%s'\n",
7501 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
7502 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7508 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
7509 human_readable, show_default);
7512 #endif /* HAVE_SYS_QUOTA_H! */
7514 static int flushctx_ioctl(char *mp)
7518 fd = open(mp, O_RDONLY);
7520 fprintf(stderr, "flushctx: error open %s: %s\n",
7521 mp, strerror(errno));
7525 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7527 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7528 mp, strerror(errno));
7534 static int lfs_flushctx(int argc, char **argv)
7536 int kdestroy = 0, c;
7537 char mntdir[PATH_MAX] = {'\0'};
7541 while ((c = getopt(argc, argv, "k")) != -1) {
7547 fprintf(stderr, "error: %s: option '-%c' "
7548 "unrecognized\n", argv[0], c);
7554 if ((rc = system("kdestroy > /dev/null")) != 0) {
7555 rc = WEXITSTATUS(rc);
7556 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7560 if (optind >= argc) {
7561 /* flush for all mounted lustre fs. */
7562 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7563 /* Check if we have a mount point */
7564 if (mntdir[0] == '\0')
7567 if (flushctx_ioctl(mntdir))
7570 mntdir[0] = '\0'; /* avoid matching in next loop */
7573 /* flush fs as specified */
7574 while (optind < argc) {
7575 if (flushctx_ioctl(argv[optind++]))
7582 static int lfs_changelog(int argc, char **argv)
7584 void *changelog_priv;
7585 struct changelog_rec *rec;
7586 long long startrec = 0, endrec = 0;
7588 struct option long_opts[] = {
7589 { .val = 'f', .name = "follow", .has_arg = no_argument },
7591 char short_opts[] = "f";
7594 while ((rc = getopt_long(argc, argv, short_opts,
7595 long_opts, NULL)) != -1) {
7602 "%s changelog: unrecognized option '%s'\n",
7603 progname, argv[optind - 1]);
7607 if (optind >= argc) {
7608 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7613 mdd = argv[optind++];
7615 startrec = strtoll(argv[optind++], NULL, 10);
7617 endrec = strtoll(argv[optind++], NULL, 10);
7619 rc = llapi_changelog_start(&changelog_priv,
7620 CHANGELOG_FLAG_BLOCK |
7621 CHANGELOG_FLAG_JOBID |
7622 CHANGELOG_FLAG_EXTRA_FLAGS |
7623 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7626 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7627 progname, strerror(errno = -rc));
7631 rc = llapi_changelog_set_xflags(changelog_priv,
7632 CHANGELOG_EXTRA_FLAG_UIDGID |
7633 CHANGELOG_EXTRA_FLAG_NID |
7634 CHANGELOG_EXTRA_FLAG_OMODE |
7635 CHANGELOG_EXTRA_FLAG_XATTR);
7638 "%s changelog: cannot set xflags for changelog: %s\n",
7639 progname, strerror(errno = -rc));
7643 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7647 if (endrec && rec->cr_index > endrec) {
7648 llapi_changelog_free(&rec);
7651 if (rec->cr_index < startrec) {
7652 llapi_changelog_free(&rec);
7656 secs = rec->cr_time >> 30;
7657 gmtime_r(&secs, &ts);
7658 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7659 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7660 changelog_type2str(rec->cr_type),
7661 ts.tm_hour, ts.tm_min, ts.tm_sec,
7662 (int)(rec->cr_time & ((1 << 30) - 1)),
7663 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7664 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7666 if (rec->cr_flags & CLF_JOBID) {
7667 struct changelog_ext_jobid *jid =
7668 changelog_rec_jobid(rec);
7670 if (jid->cr_jobid[0] != '\0')
7671 printf(" j=%s", jid->cr_jobid);
7674 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7675 struct changelog_ext_extra_flags *ef =
7676 changelog_rec_extra_flags(rec);
7678 printf(" ef=0x%llx",
7679 (unsigned long long)ef->cr_extra_flags);
7681 if (ef->cr_extra_flags & CLFE_UIDGID) {
7682 struct changelog_ext_uidgid *uidgid =
7683 changelog_rec_uidgid(rec);
7685 printf(" u=%llu:%llu",
7686 (unsigned long long)uidgid->cr_uid,
7687 (unsigned long long)uidgid->cr_gid);
7689 if (ef->cr_extra_flags & CLFE_NID) {
7690 struct changelog_ext_nid *nid =
7691 changelog_rec_nid(rec);
7694 libcfs_nid2str(nid->cr_nid));
7697 if (ef->cr_extra_flags & CLFE_OPEN) {
7698 struct changelog_ext_openmode *omd =
7699 changelog_rec_openmode(rec);
7700 char mode[] = "---";
7702 /* exec mode must be exclusive */
7703 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7706 if (omd->cr_openflags & MDS_FMODE_READ)
7708 if (omd->cr_openflags &
7715 if (strcmp(mode, "---") != 0)
7716 printf(" m=%s", mode);
7720 if (ef->cr_extra_flags & CLFE_XATTR) {
7721 struct changelog_ext_xattr *xattr =
7722 changelog_rec_xattr(rec);
7724 if (xattr->cr_xattr[0] != '\0')
7725 printf(" x=%s", xattr->cr_xattr);
7729 if (rec->cr_namelen)
7730 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7731 rec->cr_namelen, changelog_rec_name(rec));
7733 if (rec->cr_flags & CLF_RENAME) {
7734 struct changelog_ext_rename *rnm =
7735 changelog_rec_rename(rec);
7737 if (!fid_is_zero(&rnm->cr_sfid))
7738 printf(" s="DFID" sp="DFID" %.*s",
7739 PFID(&rnm->cr_sfid),
7740 PFID(&rnm->cr_spfid),
7741 (int)changelog_rec_snamelen(rec),
7742 changelog_rec_sname(rec));
7746 llapi_changelog_free(&rec);
7749 llapi_changelog_fini(&changelog_priv);
7752 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7753 progname, strerror(errno = -rc));
7755 return (rc == 1 ? 0 : rc);
7758 static int lfs_changelog_clear(int argc, char **argv)
7766 endrec = strtoll(argv[3], NULL, 10);
7768 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7771 fprintf(stderr, "%s: record out of range: %llu\n",
7773 else if (rc == -ENOENT)
7774 fprintf(stderr, "%s: no changelog user: %s\n",
7777 fprintf(stderr, "%s error: %s\n", argv[0],
7786 static int lfs_fid2path(int argc, char **argv)
7788 struct option long_opts[] = {
7789 { .val = 'c', .name = "cur", .has_arg = no_argument },
7790 { .val = 'l', .name = "link", .has_arg = required_argument },
7791 { .val = 'r', .name = "rec", .has_arg = required_argument },
7793 char short_opts[] = "cl:r:";
7794 char *device, *fid, *path;
7795 long long recno = -1;
7800 char *endptr = NULL;
7802 while ((rc = getopt_long(argc, argv, short_opts,
7803 long_opts, NULL)) != -1) {
7809 linkno = strtol(optarg, &endptr, 10);
7810 if (*endptr != '\0') {
7812 "%s fid2path: invalid linkno '%s'\n",
7818 recno = strtoll(optarg, &endptr, 10);
7819 if (*endptr != '\0') {
7821 "%s fid2path: invalid recno '%s'\n",
7828 "%s fid2path: unrecognized option '%s'\n",
7829 progname, argv[optind - 1]);
7836 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7841 device = argv[optind++];
7842 path = calloc(1, PATH_MAX);
7846 "%s fid2path: cannot allocate memory for path: %s\n",
7847 progname, strerror(-rc));
7852 while (optind < argc) {
7853 fid = argv[optind++];
7855 lnktmp = (linkno >= 0) ? linkno : 0;
7857 int oldtmp = lnktmp;
7858 long long rectmp = recno;
7860 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7864 "%s fid2path: cannot find '%s': %s\n",
7865 progname, fid, strerror(errno = -rc2));
7872 fprintf(stdout, "%lld ", rectmp);
7873 if (device[0] == '/') {
7874 fprintf(stdout, "%s", device);
7875 if (device[strlen(device) - 1] != '/')
7876 fprintf(stdout, "/");
7877 } else if (path[0] == '\0') {
7878 fprintf(stdout, "/");
7880 fprintf(stdout, "%s\n", path);
7883 /* specified linkno */
7885 if (oldtmp == lnktmp)
7895 static int lfs_path2fid(int argc, char **argv)
7897 struct option long_opts[] = {
7898 { .val = 'p', .name = "parents", .has_arg = no_argument },
7901 const char short_opts[] = "p";
7902 const char *sep = "";
7905 bool show_parents = false;
7907 while ((rc = getopt_long(argc, argv, short_opts,
7908 long_opts, NULL)) != -1) {
7911 show_parents = true;
7915 "%s path2fid: unrecognized option '%s'\n",
7916 progname, argv[optind - 1]);
7921 if (optind > argc - 1) {
7922 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7926 else if (optind < argc - 1)
7930 for (path = argv + optind; *path != NULL; path++) {
7932 if (!show_parents) {
7933 err = llapi_path2fid(*path, &fid);
7935 printf("%s%s"DFID"\n",
7936 *sep != '\0' ? *path : "", sep,
7939 char name[NAME_MAX + 1];
7940 unsigned int linkno = 0;
7942 while ((err = llapi_path2parent(*path, linkno, &fid,
7943 name, sizeof(name))) == 0) {
7944 if (*sep != '\0' && linkno == 0)
7945 printf("%s%s", *path, sep);
7947 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7952 /* err == -ENODATA is end-of-loop */
7953 if (linkno > 0 && err == -ENODATA) {
7961 "%s path2fid: cannot get %sfid for '%s': %s\n",
7962 progname, show_parents ? "parent " : "", *path,
7974 #define MAX_ERRNO 4095
7975 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
7977 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
7981 rc = llapi_rmfid(device, fa);
7983 fprintf(stderr, "rmfid(): rc = %d\n", rc);
7987 for (k = 0; k < fa->fa_nr; k++) {
7988 rc = (__s32)fa->fa_fids[k].f_ver;
7989 if (!IS_ERR_VALUE(rc))
7995 fa->fa_fids[k].f_ver = 0;
7996 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
7997 PFID(&fa->fa_fids[k]), rc);
8003 static int lfs_rmfid(int argc, char **argv)
8005 char *fidstr, *device;
8006 int rc = 0, rc2, nr;
8007 struct fid_array *fa;
8009 if (optind > argc - 1) {
8010 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
8014 device = argv[optind++];
8017 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
8023 while (optind < argc) {
8026 fidstr = argv[optind++];
8027 while (*fidstr == '[')
8029 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
8031 fprintf(stderr, "unrecognized FID: %s\n",
8036 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
8037 /* start another batch */
8038 rc2 = lfs_rmfid_and_show_errors(device, fa);
8045 rc2 = lfs_rmfid_and_show_errors(device, fa);
8053 static int lfs_data_version(int argc, char **argv)
8060 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
8063 fprintf(stderr, "%s data_version: FILE must be specified\n",
8068 while ((c = getopt(argc, argv, "nrw")) != -1) {
8071 data_version_flags = 0;
8074 data_version_flags |= LL_DV_RD_FLUSH;
8077 data_version_flags |= LL_DV_WR_FLUSH;
8081 "%s data_version: unrecognized option '%s'\n",
8082 progname, argv[optind - 1]);
8086 if (optind == argc) {
8087 fprintf(stderr, "%s data_version: FILE must be specified\n",
8092 path = argv[optind];
8093 fd = open(path, O_RDONLY);
8096 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
8097 progname, path, strerror(-rc));
8101 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
8104 "%s data_version: cannot get version for '%s': %s\n",
8105 progname, path, strerror(-rc));
8107 printf("%ju" "\n", (uintmax_t)data_version);
8113 static int lfs_hsm_state(int argc, char **argv)
8118 struct hsm_user_state hus;
8126 rc = llapi_hsm_state_get(path, &hus);
8128 fprintf(stderr, "can't get hsm state for %s: %s\n",
8129 path, strerror(errno = -rc));
8133 /* Display path name and status flags */
8134 printf("%s: (0x%08x)", path, hus.hus_states);
8136 if (hus.hus_states & HS_RELEASED)
8137 printf(" released");
8138 if (hus.hus_states & HS_EXISTS)
8140 if (hus.hus_states & HS_DIRTY)
8142 if (hus.hus_states & HS_ARCHIVED)
8143 printf(" archived");
8144 /* Display user-settable flags */
8145 if (hus.hus_states & HS_NORELEASE)
8146 printf(" never_release");
8147 if (hus.hus_states & HS_NOARCHIVE)
8148 printf(" never_archive");
8149 if (hus.hus_states & HS_LOST)
8150 printf(" lost_from_hsm");
8152 if (hus.hus_archive_id != 0)
8153 printf(", archive_id:%d", hus.hus_archive_id);
8156 } while (++i < argc);
8161 #define LFS_HSM_SET 0
8162 #define LFS_HSM_CLEAR 1
8165 * Generic function to set or clear HSM flags.
8166 * Used by hsm_set and hsm_clear.
8168 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8170 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8172 struct option long_opts[] = {
8173 { .val = 'A', .name = "archived", .has_arg = no_argument },
8174 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8175 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8176 { .val = 'e', .name = "exists", .has_arg = no_argument },
8177 { .val = 'l', .name = "lost", .has_arg = no_argument },
8178 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8179 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8181 char short_opts[] = "lraAdei:";
8185 __u32 archive_id = 0;
8191 while ((c = getopt_long(argc, argv, short_opts,
8192 long_opts, NULL)) != -1) {
8198 mask |= HS_NOARCHIVE;
8201 mask |= HS_ARCHIVED;
8204 mask |= HS_NORELEASE;
8213 archive_id = strtol(optarg, &end, 10);
8215 fprintf(stderr, "invalid archive_id: '%s'\n",
8223 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8224 argv[0], argv[optind - 1]);
8229 /* User should have specified a flag */
8233 while (optind < argc) {
8235 path = argv[optind];
8237 /* If mode == 0, this means we apply the mask. */
8238 if (mode == LFS_HSM_SET)
8239 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8241 rc = llapi_hsm_state_set(path, 0, mask, 0);
8244 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8245 path, strerror(errno = -rc));
8254 static int lfs_hsm_action(int argc, char **argv)
8259 struct hsm_current_action hca;
8260 struct hsm_extent he;
8261 enum hsm_user_action hua;
8262 enum hsm_progress_states hps;
8270 rc = llapi_hsm_current_action(path, &hca);
8272 fprintf(stderr, "can't get hsm action for %s: %s\n",
8273 path, strerror(errno = -rc));
8276 he = hca.hca_location;
8277 hua = hca.hca_action;
8278 hps = hca.hca_state;
8280 printf("%s: %s", path, hsm_user_action2name(hua));
8282 /* Skip file without action */
8283 if (hca.hca_action == HUA_NONE) {
8288 printf(" %s ", hsm_progress_state2name(hps));
8290 if ((hps == HPS_RUNNING) &&
8291 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8292 printf("(%llu bytes moved)\n",
8293 (unsigned long long)he.length);
8294 else if ((he.offset + he.length) == LUSTRE_EOF)
8295 printf("(from %llu to EOF)\n",
8296 (unsigned long long)he.offset);
8298 printf("(from %llu to %llu)\n",
8299 (unsigned long long)he.offset,
8300 (unsigned long long)(he.offset + he.length));
8302 } while (++i < argc);
8307 static int lfs_hsm_set(int argc, char **argv)
8309 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8312 static int lfs_hsm_clear(int argc, char **argv)
8314 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8318 * Check file state and return its fid, to be used by lfs_hsm_request().
8320 * \param[in] file Path to file to check
8321 * \param[in,out] fid Pointer to allocated lu_fid struct.
8322 * \param[in,out] last_dev Pointer to last device id used.
8324 * \return 0 on success.
8326 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8332 rc = lstat(file, &st);
8334 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8337 /* Checking for regular file as archiving as posix copytool
8338 * rejects archiving files other than regular files
8340 if (!S_ISREG(st.st_mode)) {
8341 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8344 /* A request should be ... */
8345 if (*last_dev != st.st_dev && *last_dev != 0) {
8346 fprintf(stderr, "All files should be "
8347 "on the same filesystem: %s\n", file);
8350 *last_dev = st.st_dev;
8352 rc = llapi_path2fid(file, fid);
8354 fprintf(stderr, "Cannot read FID of %s: %s\n",
8355 file, strerror(-rc));
8361 /* Fill an HSM HUR item with a given file name.
8363 * If mntpath is set, then the filename is actually a FID, and no
8364 * lookup on the filesystem will be performed.
8366 * \param[in] hur the user request to fill
8367 * \param[in] idx index of the item inside the HUR to fill
8368 * \param[in] mntpath mountpoint of Lustre
8369 * \param[in] fname filename (if mtnpath is NULL)
8370 * or FID (if mntpath is set)
8371 * \param[in] last_dev pointer to last device id used
8373 * \retval 0 on success
8374 * \retval CMD_HELP or a negative errno on error
8376 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8377 const char *mntpath, const char *fname,
8380 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8383 hui->hui_extent.length = -1;
8385 if (mntpath != NULL) {
8386 rc = llapi_fid_parse(fname, &hui->hui_fid, NULL);
8388 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8391 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8395 hur->hur_request.hr_itemcount++;
8400 static int lfs_hsm_request(int argc, char **argv, int action)
8402 struct option long_opts[] = {
8403 { .val = 'a', .name = "archive", .has_arg = required_argument },
8404 { .val = 'D', .name = "data", .has_arg = required_argument },
8405 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8406 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8409 char short_opts[] = "l:D:a:m:";
8410 struct hsm_user_request *hur, *oldhur;
8415 char *filelist = NULL;
8416 char fullpath[PATH_MAX];
8417 char *opaque = NULL;
8421 int nbfile_alloc = 0;
8422 char *some_file = NULL;
8423 char *mntpath = NULL;
8429 while ((c = getopt_long(argc, argv, short_opts,
8430 long_opts, NULL)) != -1) {
8439 if (action != HUA_ARCHIVE &&
8440 action != HUA_REMOVE) {
8442 "error: -a is supported only "
8443 "when archiving or removing\n");
8446 archive_id = atoi(optarg);
8449 if (some_file == NULL) {
8451 some_file = strdup(optarg);
8457 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8458 argv[0], argv[optind - 1]);
8463 /* All remaining args are files, so we have at least nbfile */
8464 nbfile = argc - optind;
8466 if ((nbfile == 0) && (filelist == NULL))
8470 opaque_len = strlen(opaque);
8472 /* Alloc the request structure with enough place to store all files
8473 * from command line. */
8474 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8476 fprintf(stderr, "Cannot create the request: %s\n",
8480 nbfile_alloc = nbfile;
8482 hur->hur_request.hr_action = action;
8483 hur->hur_request.hr_archive_id = archive_id;
8484 hur->hur_request.hr_flags = 0;
8486 /* All remaining args are files, add them */
8487 if (nbfile != 0 && some_file == NULL)
8488 some_file = strdup(argv[optind]);
8490 for (i = 0; i < nbfile; i++) {
8491 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8497 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8499 /* If a filelist was specified, read the filelist from it. */
8500 if (filelist != NULL) {
8501 fp = fopen(filelist, "r");
8503 fprintf(stderr, "Cannot read the file list %s: %s\n",
8504 filelist, strerror(errno));
8509 while ((rc = getline(&line, &len, fp)) != -1) {
8510 /* If allocated buffer was too small, get something
8512 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8515 nbfile_alloc = nbfile_alloc * 2 + 1;
8517 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8520 fprintf(stderr, "hsm: cannot allocate "
8521 "the request: %s\n",
8528 size = hur_len(oldhur);
8530 fprintf(stderr, "hsm: cannot allocate "
8531 "%u files + %u bytes data\n",
8532 oldhur->hur_request.hr_itemcount,
8533 oldhur->hur_request.hr_data_len);
8540 memcpy(hur, oldhur, size);
8545 if (line[strlen(line) - 1] == '\n')
8546 line[strlen(line) - 1] = '\0';
8548 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8549 mntpath, line, &last_dev);
8555 if (some_file == NULL) {
8565 /* If a --data was used, add it to the request */
8566 hur->hur_request.hr_data_len = opaque_len;
8568 memcpy(hur_data(hur), opaque, opaque_len);
8570 /* Send the HSM request */
8571 if (realpath(some_file, fullpath) == NULL) {
8572 fprintf(stderr, "Could not find path '%s': %s\n",
8573 some_file, strerror(errno));
8575 rc = llapi_hsm_request(fullpath, hur);
8577 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8578 some_file, strerror(-rc));
8588 static int lfs_hsm_archive(int argc, char **argv)
8590 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8593 static int lfs_hsm_restore(int argc, char **argv)
8595 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8598 static int lfs_hsm_release(int argc, char **argv)
8600 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8603 static int lfs_hsm_remove(int argc, char **argv)
8605 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8608 static int lfs_hsm_cancel(int argc, char **argv)
8610 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8613 static int lfs_swap_layouts(int argc, char **argv)
8618 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8619 SWAP_LAYOUTS_KEEP_MTIME |
8620 SWAP_LAYOUTS_KEEP_ATIME);
8623 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8625 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8627 int lfs_get_mode(const char *string)
8629 enum lock_mode_user mode;
8631 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8632 if (lock_mode_names[mode] == NULL)
8634 if (strcmp(string, lock_mode_names[mode]) == 0)
8641 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8643 enum lu_ladvise_type advice;
8646 advice < ARRAY_SIZE(ladvise_names); advice++) {
8647 if (ladvise_names[advice] == NULL)
8649 if (strcmp(string, ladvise_names[advice]) == 0)
8653 return LU_LADVISE_INVALID;
8656 static int lfs_ladvise(int argc, char **argv)
8658 struct option long_opts[] = {
8659 { .val = 'a', .name = "advice", .has_arg = required_argument },
8660 { .val = 'b', .name = "background", .has_arg = no_argument },
8661 { .val = 'e', .name = "end", .has_arg = required_argument },
8662 { .val = 'l', .name = "length", .has_arg = required_argument },
8663 { .val = 'm', .name = "mode", .has_arg = required_argument },
8664 { .val = 's', .name = "start", .has_arg = required_argument },
8665 { .val = 'u', .name = "unset", .has_arg = no_argument },
8667 char short_opts[] = "a:be:l:m:s:u";
8672 struct llapi_lu_ladvise advice;
8673 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8674 unsigned long long start = 0;
8675 unsigned long long end = LUSTRE_EOF;
8676 unsigned long long length = 0;
8677 unsigned long long size_units;
8678 unsigned long long flags = 0;
8682 while ((c = getopt_long(argc, argv, short_opts,
8683 long_opts, NULL)) != -1) {
8686 advice_type = lfs_get_ladvice(optarg);
8687 if (advice_type == LU_LADVISE_INVALID) {
8688 fprintf(stderr, "%s: invalid advice type "
8689 "'%s'\n", argv[0], optarg);
8690 fprintf(stderr, "Valid types:");
8692 for (advice_type = 0;
8693 advice_type < ARRAY_SIZE(ladvise_names);
8695 if (ladvise_names[advice_type] == NULL)
8697 fprintf(stderr, " %s",
8698 ladvise_names[advice_type]);
8700 fprintf(stderr, "\n");
8713 rc = llapi_parse_size(optarg, &end,
8716 fprintf(stderr, "%s: bad end offset '%s'\n",
8723 rc = llapi_parse_size(optarg, &start,
8726 fprintf(stderr, "%s: bad start offset "
8727 "'%s'\n", argv[0], optarg);
8733 rc = llapi_parse_size(optarg, &length,
8736 fprintf(stderr, "%s: bad length '%s'\n",
8742 mode = lfs_get_mode(optarg);
8744 fprintf(stderr, "%s: bad mode '%s', valid "
8745 "modes are READ or WRITE\n",
8753 fprintf(stderr, "%s: option '%s' unrecognized\n",
8754 argv[0], argv[optind - 1]);
8759 if (advice_type == LU_LADVISE_INVALID) {
8760 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8761 fprintf(stderr, "Valid types:");
8762 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8764 if (ladvise_names[advice_type] == NULL)
8766 fprintf(stderr, " %s", ladvise_names[advice_type]);
8768 fprintf(stderr, "\n");
8772 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8773 fprintf(stderr, "%s: Lock no expand advice is a per file "
8774 "descriptor advice, so when called from lfs, "
8775 "it does nothing.\n", argv[0]);
8779 if (argc <= optind) {
8780 fprintf(stderr, "%s: please give one or more file names\n",
8785 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8786 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8791 if (end == LUSTRE_EOF && length != 0)
8792 end = start + length;
8795 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8796 argv[0], start, end);
8800 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8801 fprintf(stderr, "%s: mode is only valid with lockahead\n",
8806 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
8807 fprintf(stderr, "%s: mode is required with lockahead\n",
8812 while (optind < argc) {
8815 path = argv[optind++];
8817 fd = open(path, O_RDONLY);
8819 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8820 argv[0], path, strerror(errno));
8825 advice.lla_start = start;
8826 advice.lla_end = end;
8827 advice.lla_advice = advice_type;
8828 advice.lla_value1 = 0;
8829 advice.lla_value2 = 0;
8830 advice.lla_value3 = 0;
8831 advice.lla_value4 = 0;
8832 if (advice_type == LU_LADVISE_LOCKAHEAD) {
8833 advice.lla_lockahead_mode = mode;
8834 advice.lla_peradvice_flags = flags;
8837 rc2 = llapi_ladvise(fd, flags, 1, &advice);
8840 fprintf(stderr, "%s: cannot give advice '%s' to file "
8841 "'%s': %s\n", argv[0],
8842 ladvise_names[advice_type],
8843 path, strerror(errno));
8849 if (rc == 0 && rc2 < 0)
8855 static const char *const heat_names[] = LU_HEAT_NAMES;
8857 static int lfs_heat_get(int argc, char **argv)
8859 struct lu_heat *heat;
8868 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
8870 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8875 while (optind < argc) {
8876 path = argv[optind++];
8878 fd = open(path, O_RDONLY);
8880 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8881 argv[0], path, strerror(errno));
8886 heat->lh_count = OBD_HEAT_COUNT;
8887 rc2 = llapi_heat_get(fd, heat);
8890 fprintf(stderr, "%s: cannot get heat of file '%s'"
8891 ": %s\n", argv[0], path, strerror(errno));
8895 printf("flags: %x\n", heat->lh_flags);
8896 for (i = 0; i < heat->lh_count; i++)
8897 printf("%s: %llu\n", heat_names[i],
8898 (unsigned long long)heat->lh_heat[i]);
8900 if (rc == 0 && rc2 < 0)
8908 static int lfs_heat_set(int argc, char **argv)
8910 struct option long_opts[] = {
8911 { .val = 'c', .name = "clear", .has_arg = no_argument },
8912 { .val = 'o', .name = "off", .has_arg = no_argument },
8913 { .val = 'O', .name = "on", .has_arg = no_argument },
8915 enum lu_heat_flag flags = 0;
8925 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
8928 flags |= LU_HEAT_FLAG_CLEAR;
8931 flags |= LU_HEAT_FLAG_CLEAR;
8932 flags |= LU_HEAT_FLAG_OFF;
8935 flags &= ~LU_HEAT_FLAG_OFF;
8940 fprintf(stderr, "%s: option '%s' unrecognized\n",
8941 argv[0], argv[optind - 1]);
8946 if (argc <= optind) {
8947 fprintf(stderr, "%s: please give one or more file names\n",
8952 while (optind < argc) {
8953 path = argv[optind++];
8955 fd = open(path, O_RDONLY);
8957 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8958 argv[0], path, strerror(errno));
8963 rc2 = llapi_heat_set(fd, flags);
8966 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8967 ": %s\n", argv[0], path, strerror(errno));
8971 if (rc == 0 && rc2 < 0)
8977 /** The input string contains a comma delimited list of component ids and
8978 * ranges, for example "1,2-4,7".
8980 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8982 bool end_of_loop = false;
8990 while (!end_of_loop) {
8994 char *endptr = NULL;
8997 ptr = strchrnul(arg, ',');
8998 end_of_loop = *ptr == '\0';
9001 start_index = strtol(arg, &endptr, 0);
9002 if (endptr == arg) /* no data at all */
9004 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
9006 if (start_index < 0)
9009 end_index = start_index;
9010 if (*endptr == '-') {
9011 end_index = strtol(endptr + 1, &endptr, 0);
9012 if (*endptr != '\0')
9014 if (end_index < start_index)
9018 for (i = start_index; i <= end_index && size > 0; i++) {
9021 /* remove duplicate */
9022 for (j = 0; j < nr; j++) {
9026 if (j == nr) { /* no duplicate */
9032 if (size == 0 && i < end_index)
9039 if (!end_of_loop && ptr != NULL)
9042 return rc < 0 ? rc : nr;
9046 * struct verify_mirror_id - Mirror id to be verified.
9047 * @mirror_id: A specified mirror id.
9048 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
9050 struct verify_mirror_id {
9056 * compare_mirror_ids() - Compare mirror ids.
9057 * @layout: Mirror component list.
9058 * @cbdata: Callback data in verify_mirror_id structure.
9060 * This is a callback function called by llapi_layout_comp_iterate()
9061 * to compare the specified mirror id with the one in the current
9062 * component of @layout. If they are the same, then the specified
9063 * mirror id is valid.
9065 * Return: a negative error code on failure or
9066 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
9067 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
9070 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
9072 struct verify_mirror_id *mirror_id_cbdata =
9073 (struct verify_mirror_id *)cbdata;
9077 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9081 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9082 progname, strerror(errno));
9086 if (mirror_id_cbdata->mirror_id == mirror_id) {
9087 mirror_id_cbdata->is_valid_id = true;
9088 return LLAPI_LAYOUT_ITER_STOP;
9091 return LLAPI_LAYOUT_ITER_CONT;
9095 * verify_mirror_ids() - Verify specified mirror ids.
9096 * @fname: Mirrored file name.
9097 * @mirror_ids: Specified mirror ids to be verified.
9098 * @ids_nr: Number of specified mirror ids.
9100 * This function verifies that specified @mirror_ids are valid
9101 * in the mirrored file @fname.
9103 * Return: 0 on success or a negative error code on failure.
9106 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
9108 struct llapi_layout *layout = NULL;
9109 struct verify_mirror_id mirror_id_cbdata = { 0 };
9120 if (stat(fname, &stbuf) < 0) {
9121 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9122 progname, fname, strerror(errno));
9127 if (!S_ISREG(stbuf.st_mode)) {
9128 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9134 fd = open(fname, O_DIRECT | O_RDONLY);
9136 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9137 progname, fname, strerror(errno));
9142 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9144 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9145 progname, fname, strerror(errno));
9149 layout = llapi_layout_get_by_fd(fd, 0);
9150 if (layout == NULL) {
9151 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9152 progname, fname, strerror(errno));
9154 llapi_lease_release(fd);
9158 rc = llapi_layout_flags_get(layout, &flr_state);
9160 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9161 progname, fname, strerror(errno));
9166 flr_state &= LCM_FL_FLR_MASK;
9167 switch (flr_state) {
9170 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9171 progname, fname, llapi_layout_flags_string(flr_state));
9178 for (i = 0; i < ids_nr; i++) {
9179 mirror_id_cbdata.mirror_id = mirror_ids[i];
9180 mirror_id_cbdata.is_valid_id = false;
9182 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9187 "%s: '%s' failed to verify mirror id: %u.\n",
9188 progname, fname, mirror_ids[i]);
9192 if (!mirror_id_cbdata.is_valid_id) {
9195 "%s: '%s' invalid specified mirror id: %u.\n",
9196 progname, fname, mirror_ids[i]);
9202 llapi_layout_free(layout);
9203 llapi_lease_release(fd);
9211 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9212 __u16 *mirror_ids, int ids_nr)
9214 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9215 struct llapi_layout *layout;
9226 if (stat(fname, &stbuf) < 0) {
9227 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9228 progname, fname, strerror(errno));
9232 if (!S_ISREG(stbuf.st_mode)) {
9233 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9239 fd = open(fname, O_DIRECT | O_RDWR);
9241 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9242 progname, fname, strerror(errno));
9247 layout = llapi_layout_get_by_fd(fd, 0);
9248 if (layout == NULL) {
9249 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9250 progname, fname, strerror(errno));
9255 rc = llapi_layout_flags_get(layout, &flr_state);
9257 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9258 progname, fname, strerror(errno));
9263 flr_state &= LCM_FL_FLR_MASK;
9264 if (flr_state == LCM_FL_NONE) {
9266 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9271 /* get stale component info */
9272 comp_size = llapi_mirror_find_stale(layout, comp_array,
9273 ARRAY_SIZE(comp_array),
9274 mirror_ids, ids_nr);
9275 if (comp_size <= 0) {
9280 ioc->lil_mode = LL_LEASE_WRLCK;
9281 ioc->lil_flags = LL_LEASE_RESYNC;
9282 rc = llapi_lease_set(fd, ioc);
9284 if (rc == -EALREADY)
9288 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9289 progname, fname, strerror(-rc));
9293 /* get the read range [start, end) */
9294 start = comp_array[0].lrc_start;
9295 end = comp_array[0].lrc_end;
9296 for (idx = 1; idx < comp_size; idx++) {
9297 if (comp_array[idx].lrc_start < start)
9298 start = comp_array[idx].lrc_start;
9299 if (end < comp_array[idx].lrc_end)
9300 end = comp_array[idx].lrc_end;
9303 rc = llapi_lease_check(fd);
9304 if (rc != LL_LEASE_WRLCK) {
9305 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9310 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9313 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9314 progname, fname, strerror(-rc));
9316 /* need to do the lease unlock even resync fails */
9317 ioc->lil_mode = LL_LEASE_UNLCK;
9318 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9320 for (idx = 0; idx < comp_size; idx++) {
9321 if (comp_array[idx].lrc_synced) {
9322 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9327 rc2 = llapi_lease_set(fd, ioc);
9329 * llapi_lease_set returns lease mode when it request to unlock
9333 /* rc2 == 0 means lost lease lock */
9334 if (rc2 == 0 && rc == 0)
9336 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9338 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9342 llapi_layout_free(layout);
9349 static inline int lfs_mirror_resync(int argc, char **argv)
9351 struct ll_ioc_lease *ioc = NULL;
9352 __u16 mirror_ids[128] = { 0 };
9357 struct option long_opts[] = {
9358 { .val = 'o', .name = "only", .has_arg = required_argument },
9361 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9364 rc = parse_mirror_ids(mirror_ids,
9365 sizeof(mirror_ids) / sizeof(__u16),
9369 "%s: bad mirror ids '%s'.\n",
9376 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9377 argv[0], argv[optind - 1]);
9383 if (argc == optind) {
9384 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9389 if (ids_nr > 0 && argc > optind + 1) {
9391 "%s: option '--only' cannot be used upon multiple files.\n",
9399 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9404 /* set the lease on the file */
9405 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9407 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9408 argv[0], strerror(errno));
9413 for (; optind < argc; optind++) {
9414 rc = lfs_mirror_resync_file(argv[optind], ioc,
9415 mirror_ids, ids_nr);
9416 /* ignore previous file's error, continue with next file */
9419 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9427 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9429 struct llapi_layout *layout;
9432 layout = llapi_layout_get_by_fd(fd, 0);
9433 if (layout == NULL) {
9434 fprintf(stderr, "could not get layout.\n");
9438 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9440 fprintf(stderr, "failed to iterate layout\n");
9441 llapi_layout_free(layout);
9444 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9445 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9446 llapi_layout_free(layout);
9450 llapi_layout_free(layout);
9456 * Check whether two files are the same file
9457 * \retval 0 same file
9458 * \retval 1 not the same file
9459 * \retval <0 error code
9461 static inline int check_same_file(const char *f1, const char *f2)
9466 if (stat(f1, &stbuf1) < 0) {
9467 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9468 progname, f1, strerror(errno));
9472 if (stat(f2, &stbuf2) < 0) {
9473 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9474 progname, f2, strerror(errno));
9478 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9479 stbuf1.st_ino == stbuf2.st_ino)
9485 static inline int lfs_mirror_read(int argc, char **argv)
9488 __u16 mirror_id = 0;
9489 const char *outfile = NULL;
9495 const size_t buflen = 4 << 20;
9497 struct option long_opts[] = {
9498 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9499 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9502 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9507 mirror_id = strtoul(optarg, &end, 0);
9508 if (*end != '\0' || mirror_id == 0) {
9510 "%s %s: invalid mirror ID '%s'\n",
9511 progname, argv[0], optarg);
9519 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9520 progname, argv[optind - 1]);
9525 if (argc == optind) {
9526 fprintf(stderr, "%s %s: no mirrored file provided\n",
9529 } else if (argc > optind + 1) {
9530 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9534 if (mirror_id == 0) {
9535 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9540 /* open mirror file */
9541 fname = argv[optind];
9544 rc = check_same_file(fname, outfile);
9547 "%s %s: output file cannot be the mirrored file\n",
9555 fd = open(fname, O_DIRECT | O_RDONLY);
9557 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9558 progname, argv[0], fname, strerror(errno));
9562 /* verify mirror id */
9563 rc = verify_mirror_id_by_fd(fd, mirror_id);
9566 "%s %s: cannot find mirror with ID %u in '%s'\n",
9567 progname, argv[0], mirror_id, fname);
9571 /* open output file */
9573 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9575 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9576 progname, argv[0], outfile, strerror(errno));
9581 outfd = STDOUT_FILENO;
9584 /* allocate buffer */
9585 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9587 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9588 progname, argv[0], rc);
9595 ssize_t written = 0;
9597 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9598 if (bytes_read < 0) {
9601 "%s %s: fail to read data from mirror %u: %s\n",
9602 progname, argv[0], mirror_id, strerror(-rc));
9607 if (bytes_read == 0)
9610 while (written < bytes_read) {
9613 written2 = write(outfd, buf + written,
9614 bytes_read - written);
9617 "%s %s: fail to write %s: %s\n",
9618 progname, argv[0], outfile ? : "STDOUT",
9623 written += written2;
9626 if (written != bytes_read) {
9628 "%s %s: written %ld bytes does not match with %ld read.\n",
9629 progname, argv[0], written, bytes_read);
9651 static inline int lfs_mirror_write(int argc, char **argv)
9654 __u16 mirror_id = 0;
9655 const char *inputfile = NULL;
9661 const size_t buflen = 4 << 20;
9663 size_t page_size = sysconf(_SC_PAGESIZE);
9664 struct ll_ioc_lease_id ioc;
9666 struct option long_opts[] = {
9667 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9668 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9671 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9676 mirror_id = strtoul(optarg, &end, 0);
9677 if (*end != '\0' || mirror_id == 0) {
9679 "%s %s: invalid mirror ID '%s'\n",
9680 progname, argv[0], optarg);
9688 fprintf(stderr, "%s: option '%s' unrecognized\n",
9689 progname, argv[optind - 1]);
9694 if (argc == optind) {
9695 fprintf(stderr, "%s %s: no mirrored file provided\n",
9698 } else if (argc > optind + 1) {
9699 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9703 if (mirror_id == 0) {
9704 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9709 /* open mirror file */
9710 fname = argv[optind];
9713 rc = check_same_file(fname, inputfile);
9716 "%s %s: input file cannot be the mirrored file\n",
9724 fd = open(fname, O_DIRECT | O_WRONLY);
9726 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9727 progname, argv[0], fname, strerror(errno));
9731 /* verify mirror id */
9732 rc = verify_mirror_id_by_fd(fd, mirror_id);
9735 "%s %s: cannot find mirror with ID %u in '%s'\n",
9736 progname, argv[0], mirror_id, fname);
9740 /* open input file */
9742 inputfd = open(inputfile, O_RDONLY, 0644);
9744 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9745 progname, argv[0], inputfile, strerror(errno));
9750 inputfd = STDIN_FILENO;
9753 /* allocate buffer */
9754 rc = posix_memalign(&buf, page_size, buflen);
9756 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9757 progname, argv[0], rc);
9761 /* prepare target mirror components instantiation */
9762 ioc.lil_mode = LL_LEASE_WRLCK;
9763 ioc.lil_flags = LL_LEASE_RESYNC;
9764 ioc.lil_mirror_id = mirror_id;
9765 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9768 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9769 progname, argv[0], fname, strerror(errno));
9779 rc = llapi_lease_check(fd);
9780 if (rc != LL_LEASE_WRLCK) {
9781 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9782 progname, argv[0], fname);
9786 bytes_read = read(inputfd, buf, buflen);
9787 if (bytes_read < 0) {
9790 "%s %s: fail to read data from '%s': %s\n",
9791 progname, argv[0], inputfile ? : "STDIN",
9798 if (bytes_read == 0)
9801 /* round up to page align to make direct IO happy. */
9802 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9804 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9809 "%s %s: fail to write to mirror %u: %s\n",
9810 progname, argv[0], mirror_id,
9818 if (pos & (page_size - 1)) {
9819 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9824 ioc.lil_mode = LL_LEASE_UNLCK;
9825 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9827 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9832 "%s %s: release lease lock of '%s' failed: %s\n",
9833 progname, argv[0], fname, strerror(errno));
9850 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9852 struct llapi_layout *layout;
9853 struct collect_ids_data cid = { .cid_ids = ids,
9855 .cid_exclude = exclude_id, };
9858 layout = llapi_layout_get_by_fd(fd, 0);
9859 if (layout == NULL) {
9860 fprintf(stderr, "could not get layout\n");
9864 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9866 fprintf(stderr, "failed to iterate layout\n");
9867 llapi_layout_free(layout);
9871 llapi_layout_free(layout);
9873 return cid.cid_count;
9876 static inline int lfs_mirror_copy(int argc, char **argv)
9879 __u16 read_mirror_id = 0;
9880 __u16 ids[128] = { 0 };
9882 struct llapi_layout *layout = NULL;
9883 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9890 struct ll_ioc_lease *ioc = NULL;
9891 struct ll_ioc_lease_id *resync_ioc;
9893 struct option long_opts[] = {
9894 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9895 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9898 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9903 read_mirror_id = strtoul(optarg, &end, 0);
9904 if (*end != '\0' || read_mirror_id == 0) {
9906 "%s %s: invalid read mirror ID '%s'\n",
9907 progname, argv[0], optarg);
9912 if (!strcmp(optarg, "-1")) {
9913 /* specify all other mirrors */
9917 count = parse_mirror_ids((__u16 *)ids,
9925 fprintf(stderr, "%s: option '%s' unrecognized\n",
9926 progname, argv[optind - 1]);
9931 if (argc == optind) {
9932 fprintf(stderr, "%s %s: no mirrored file provided\n",
9935 } else if (argc > optind + 1) {
9936 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9940 if (read_mirror_id == 0) {
9942 "%s %s: no valid read mirror ID %d is provided\n",
9943 progname, argv[0], read_mirror_id);
9949 "%s %s: no write mirror ID is provided\n",
9954 for (i = 0; i < count; i++) {
9955 if (read_mirror_id == ids[i]) {
9957 "%s %s: read and write mirror ID cannot be the same\n",
9963 /* open mirror file */
9964 fname = argv[optind];
9966 fd = open(fname, O_DIRECT | O_RDWR);
9968 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9969 progname, argv[0], fname, strerror(errno));
9973 /* write to all other mirrors */
9974 if (ids[0] == (__u16)-1) {
9975 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9979 "%s %s: failed to get other mirror ids in '%s': %d\n",
9980 progname, argv[0], fname, rc);
9985 /* verify mirror id */
9986 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9989 "%s %s: cannot find mirror with ID %u in '%s'\n",
9990 progname, argv[0], read_mirror_id, fname);
9994 for (i = 0; i < count; i++) {
9995 rc = verify_mirror_id_by_fd(fd, ids[i]);
9998 "%s %s: cannot find mirror with ID %u in '%s'\n",
9999 progname, argv[0], ids[i], fname);
10004 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
10007 "%s %s: cannot alloc comp id array for ioc: %s\n",
10008 progname, argv[0], strerror(errno));
10013 /* get stale component info */
10014 layout = llapi_layout_get_by_fd(fd, 0);
10015 if (layout == NULL) {
10016 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
10017 progname, argv[0], fname, strerror(errno));
10021 comp_size = llapi_mirror_find_stale(layout, comp_array,
10022 ARRAY_SIZE(comp_array),
10024 llapi_layout_free(layout);
10025 if (comp_size < 0) {
10030 /* prepare target mirror components instantiation */
10031 resync_ioc = (struct ll_ioc_lease_id *)ioc;
10032 resync_ioc->lil_mode = LL_LEASE_WRLCK;
10033 resync_ioc->lil_flags = LL_LEASE_RESYNC;
10035 resync_ioc->lil_mirror_id = ids[0];
10037 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
10038 rc = llapi_lease_set(fd, ioc);
10041 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
10042 progname, argv[0], fname, strerror(errno));
10046 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
10049 fprintf(stderr, "%s %s: copy error: %d\n",
10050 progname, argv[0], rc);
10054 fprintf(stdout, "mirror copied successfully: ");
10055 for (i = 0; i < copied; i++)
10056 fprintf(stdout, "%d ", ids[i]);
10057 fprintf(stdout, "\n");
10059 ioc->lil_mode = LL_LEASE_UNLCK;
10060 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10061 ioc->lil_count = 0;
10062 for (i = 0; i < comp_size; i++) {
10065 for (j = 0; j < copied; j++) {
10066 if (comp_array[i].lrc_mirror_id != ids[j])
10069 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
10073 rc = llapi_lease_set(fd, ioc);
10078 "%s %s: release lease lock of '%s' failed: %s\n",
10079 progname, argv[0], fname, strerror(errno));
10093 * struct verify_chunk - Mirror chunk to be verified.
10094 * @chunk: [start, end) of the chunk.
10095 * @mirror_count: Number of mirror ids in @mirror_id array.
10096 * @mirror_id: Array of valid mirror ids that cover the chunk.
10098 struct verify_chunk {
10099 struct lu_extent chunk;
10100 unsigned int mirror_count;
10101 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
10105 * print_chunks() - Print chunk information.
10106 * @fname: Mirrored file name.
10107 * @chunks: Array of chunks.
10108 * @chunk_count: Number of chunks in @chunks array.
10110 * This function prints [start, end) of each chunk in @chunks
10111 * for mirrored file @fname, and also prints the valid mirror ids
10112 * that cover the chunk.
10117 void print_chunks(const char *fname, struct verify_chunk *chunks,
10123 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10124 for (i = 0; i < chunk_count; i++) {
10125 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10127 if (chunks[i].mirror_count == 0)
10128 fprintf(stdout, "\t[");
10130 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10131 for (j = 1; j < chunks[i].mirror_count; j++)
10132 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10134 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10136 fprintf(stdout, "\n");
10140 * print_checksums() - Print CRC-32 checksum values.
10141 * @chunk: A chunk and its corresponding valid mirror ids.
10142 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10144 * This function prints CRC-32 checksum values on @chunk for
10145 * each valid mirror that covers it.
10150 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10155 "CRC-32 checksum value for chunk "DEXT":\n",
10156 PEXT(&chunk->chunk));
10157 for (i = 0; i < chunk->mirror_count; i++)
10158 fprintf(stdout, "Mirror %u:\t%#lx\n",
10159 chunk->mirror_id[i], crc[i]);
10160 fprintf(stdout, "\n");
10164 * filter_mirror_id() - Filter specified mirror ids.
10165 * @chunks: Array of chunks.
10166 * @chunk_count: Number of chunks in @chunks array.
10167 * @mirror_ids: Specified mirror ids to be verified.
10168 * @ids_nr: Number of specified mirror ids.
10170 * This function scans valid mirror ids that cover each chunk in @chunks
10171 * and filters specified mirror ids.
10176 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10177 __u16 *mirror_ids, int ids_nr)
10182 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10183 unsigned int valid_count = 0;
10185 for (i = 0; i < chunk_count; i++) {
10186 if (chunks[i].mirror_count == 0)
10190 for (j = 0; j < ids_nr; j++) {
10191 for (k = 0; k < chunks[i].mirror_count; k++) {
10192 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10193 valid_id[valid_count] = mirror_ids[j];
10200 memcpy(chunks[i].mirror_id, valid_id,
10201 sizeof(__u16) * valid_count);
10202 chunks[i].mirror_count = valid_count;
10207 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10208 * @layout: Mirror component list.
10209 * @chunks: Array of chunks.
10210 * @chunks_size: Array size of @chunks.
10212 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10213 * to find out chunk segments and store them in @chunks array.
10215 * The @mirror_id array in each element of @chunks will store the valid
10216 * mirror ids that cover the chunk. If a mirror component covering the
10217 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10218 * will not be stored into the @mirror_id array, and the chunk for that
10219 * mirror will not be verified.
10221 * The @mirror_count in each element of @chunks will store the number of
10222 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10223 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10224 * indicates the chunk is valid in only one mirror. In both cases, the
10225 * chunk will not be verified.
10227 * Here is an example:
10229 * 0 1M 2M 3M 4M EOF
10230 * +------+-------------+--------------------+
10231 * | | | S | mirror1
10232 * +------+------+------+------+-------------+
10233 * | | S | S | | mirror2
10234 * +-------------+------+------+-------------+
10236 * prepared @chunks array will contain 5 elements:
10237 * (([0, 1M), [1, 2], 2),
10238 * ([1M, 2M), [1, 2], 2),
10239 * ([2M, 3M), [1], 1),
10240 * ([3M, 4M], [], 0),
10241 * ([4M, EOF), [2], 1))
10243 * Return: the actual array size of @chunks on success
10244 * or a negative error code on failure.
10247 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10248 struct verify_chunk *chunks,
10249 size_t chunks_size)
10253 uint32_t mirror_id;
10259 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10262 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10265 "%s: move to the first layout component: %s.\n",
10266 progname, strerror(errno));
10272 chunks[idx].chunk.e_end = LUSTRE_EOF;
10274 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10277 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10278 progname, strerror(errno));
10282 if (start > chunks[idx].chunk.e_start ||
10283 end <= chunks[idx].chunk.e_start)
10286 if (end < chunks[idx].chunk.e_end)
10287 chunks[idx].chunk.e_end = end;
10289 rc = llapi_layout_comp_flags_get(layout, &flags);
10292 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10293 progname, strerror(errno));
10297 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10300 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10303 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10304 progname, strerror(errno));
10308 chunks[idx].mirror_id[i] = mirror_id;
10310 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10312 "%s: mirror_id array is too small.\n",
10319 rc = llapi_layout_comp_use(layout,
10320 LLAPI_LAYOUT_COMP_USE_NEXT);
10323 "%s: move to the next layout component: %s.\n",
10324 progname, strerror(errno));
10327 } /* loop through all components */
10329 chunks[idx].mirror_count = i;
10331 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10335 if (idx >= chunks_size) {
10336 fprintf(stderr, "%s: chunks array is too small.\n",
10342 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10346 return rc < 0 ? rc : idx + 1;
10350 * lfs_mirror_verify_chunk() - Verify a chunk.
10351 * @fd: File descriptor of the mirrored file.
10352 * @file_size: Size of the mirrored file.
10353 * @chunk: A chunk and its corresponding valid mirror ids.
10354 * @verbose: Verbose mode.
10356 * This function verifies a @chunk contains exactly the same data
10357 * ammong the mirrors that cover it.
10359 * If @verbose is specified, then the function will print where the
10360 * differences are if the data do not match. Otherwise, it will
10361 * just return an error in that case.
10363 * Return: 0 on success or a negative error code on failure.
10366 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10367 struct verify_chunk *chunk, int verbose)
10369 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10371 size_t page_size = sysconf(_SC_PAGESIZE);
10372 ssize_t bytes_read;
10373 ssize_t bytes_done;
10377 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10381 if (file_size == 0)
10384 rc = posix_memalign(&buf, page_size, buflen);
10385 if (rc) /* error code is returned directly */
10389 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10390 PEXT(&chunk->chunk));
10391 for (i = 0; i < chunk->mirror_count; i++)
10392 fprintf(stdout, " %u", chunk->mirror_id[i]);
10393 fprintf(stdout, "\n");
10397 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10398 pos = chunk->chunk.e_start;
10399 while (bytes_done < count) {
10400 /* compute initial CRC-32 checksum */
10401 crc = crc32(0L, Z_NULL, 0);
10402 memset(crc_array, 0, sizeof(crc_array));
10405 for (i = 0; i < chunk->mirror_count; i++) {
10406 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10408 if (bytes_read < 0) {
10411 "%s: failed to read data from mirror %u: %s.\n",
10412 progname, chunk->mirror_id[i],
10417 /* compute new CRC-32 checksum */
10418 crc_array[i] = crc32(crc, buf, bytes_read);
10422 print_checksums(chunk, crc_array);
10424 /* compare CRC-32 checksum values */
10425 for (i = 1; i < chunk->mirror_count; i++) {
10426 if (crc_array[i] != crc_array[0]) {
10430 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10431 progname, PEXT(&chunk->chunk),
10432 chunk->mirror_id[0],
10433 chunk->mirror_id[i]);
10438 bytes_done += bytes_read;
10441 if (verbose > 1 && rc == 0) {
10442 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10443 PEXT(&chunk->chunk));
10444 for (i = 0; i < chunk->mirror_count; i++)
10445 fprintf(stdout, " %u", chunk->mirror_id[i]);
10446 fprintf(stdout, " PASS\n\n");
10455 * lfs_mirror_verify_file() - Verify a mirrored file.
10456 * @fname: Mirrored file name.
10457 * @mirror_ids: Specified mirror ids to be verified.
10458 * @ids_nr: Number of specified mirror ids.
10459 * @verbose: Verbose mode.
10461 * This function verifies that each SYNC mirror of a mirrored file
10462 * specified by @fname contains exactly the same data.
10464 * If @mirror_ids is specified, then the function will verify the
10465 * mirrors specified by @mirror_ids contain exactly the same data.
10467 * If @verbose is specified, then the function will print where the
10468 * differences are if the data do not match. Otherwise, it will
10469 * just return an error in that case.
10471 * Return: 0 on success or a negative error code on failure.
10474 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10477 struct verify_chunk chunks_array[1024] = { };
10478 struct llapi_layout *layout = NULL;
10480 uint32_t flr_state;
10482 int chunk_count = 0;
10488 if (stat(fname, &stbuf) < 0) {
10489 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10490 progname, fname, strerror(errno));
10495 if (!S_ISREG(stbuf.st_mode)) {
10496 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10502 if (stbuf.st_size == 0) {
10504 fprintf(stdout, "%s: '%s' file size is 0.\n",
10510 fd = open(fname, O_DIRECT | O_RDONLY);
10512 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10513 progname, fname, strerror(errno));
10518 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10520 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10521 progname, fname, strerror(errno));
10525 layout = llapi_layout_get_by_fd(fd, 0);
10526 if (layout == NULL) {
10527 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10528 progname, fname, strerror(errno));
10530 llapi_lease_release(fd);
10534 rc = llapi_layout_flags_get(layout, &flr_state);
10536 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10537 progname, fname, strerror(errno));
10542 flr_state &= LCM_FL_FLR_MASK;
10543 switch (flr_state) {
10546 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10547 progname, fname, llapi_layout_flags_string(flr_state));
10553 /* find out mirror chunks to be verified */
10554 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10555 ARRAY_SIZE(chunks_array));
10556 if (chunk_count < 0) {
10562 /* filter specified mirror ids */
10563 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10566 print_chunks(fname, chunks_array, chunk_count);
10568 for (idx = 0; idx < chunk_count; idx++) {
10569 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10572 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10574 PEXT(&chunks_array[idx].chunk),
10575 (unsigned long long)stbuf.st_size);
10579 if (chunks_array[idx].mirror_count == 0) {
10581 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10583 PEXT(&chunks_array[idx].chunk));
10585 fprintf(stderr, "skipped\n");
10589 fprintf(stderr, "failed\n");
10593 if (chunks_array[idx].mirror_count == 1) {
10596 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10598 PEXT(&chunks_array[idx].chunk),
10599 chunks_array[idx].mirror_id[0]);
10603 rc = llapi_lease_check(fd);
10604 if (rc != LL_LEASE_RDLCK) {
10605 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10610 /* verify one chunk */
10611 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10612 &chunks_array[idx], verbose);
10626 llapi_layout_free(layout);
10627 llapi_lease_release(fd);
10635 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10636 * @argc: The count of lfs mirror verify command line arguments.
10637 * @argv: Array of strings for lfs mirror verify command line arguments.
10639 * This function parses lfs mirror verify command and verifies the
10640 * specified mirrored file(s).
10642 * Return: 0 on success or a negative error code on failure.
10644 static inline int lfs_mirror_verify(int argc, char **argv)
10646 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10652 char cmd[PATH_MAX];
10654 struct option long_opts[] = {
10655 { .val = 'o', .name = "only", .has_arg = required_argument },
10656 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10657 { .name = NULL } };
10659 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10661 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10664 rc = parse_mirror_ids(mirror_ids,
10665 ARRAY_SIZE(mirror_ids),
10669 "%s: bad mirror ids '%s'.\n",
10676 "%s: at least 2 mirror ids needed with '--only' option.\n",
10686 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10687 progname, argv[optind - 1]);
10693 if (argc == optind) {
10694 fprintf(stderr, "%s: no file name given.\n", progname);
10699 if (ids_nr > 0 && argc > optind + 1) {
10701 "%s: '--only' cannot be used upon multiple files.\n",
10709 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10715 for (; optind < argc; optind++) {
10716 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10726 * lfs_mirror() - Parse and execute lfs mirror commands.
10727 * @argc: The count of lfs mirror command line arguments.
10728 * @argv: Array of strings for lfs mirror command line arguments.
10730 * This function parses lfs mirror commands and performs the
10731 * corresponding functions specified in mirror_cmdlist[].
10733 * Return: 0 on success or an error code on failure.
10735 static int lfs_mirror(int argc, char **argv)
10737 char cmd[PATH_MAX];
10740 setlinebuf(stdout);
10742 Parser_init("lfs-mirror > ", mirror_cmdlist);
10744 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10746 program_invocation_short_name = cmd;
10748 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10750 rc = Parser_commands();
10752 return rc < 0 ? -rc : rc;
10755 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10757 #if __BYTE_ORDER == __BIG_ENDIAN
10758 __swab16s(&attrs->lsa_valid);
10759 __swab64s(&attrs->lsa_size);
10760 __swab64s(&attrs->lsa_blocks);
10764 enum lfs_som_type {
10765 LFS_SOM_SIZE = 0x1,
10766 LFS_SOM_BLOCKS = 0x2,
10767 LFS_SOM_FLAGS = 0x4,
10768 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10772 static int lfs_getsom(int argc, char **argv)
10775 struct lustre_som_attrs *attrs;
10776 char buf[sizeof(*attrs) + 64];
10777 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10780 while ((c = getopt(argc, argv, "sbf")) != -1) {
10783 type = LFS_SOM_SIZE;
10786 type = LFS_SOM_BLOCKS;
10789 type = LFS_SOM_FLAGS;
10792 fprintf(stderr, "%s: invalid option '%c'\n",
10802 fprintf(stderr, "%s: %s\n",
10803 progname, argc == 0 ? "miss file target" :
10804 "input more than 2 files");
10809 attrs = (void *)buf;
10810 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10813 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10814 argv[0], strerror(errno), errno);
10818 lustre_som_swab(attrs);
10821 case LFS_SOM_ATTR_ALL:
10822 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10823 path, (unsigned long long)attrs->lsa_size,
10824 (unsigned long long)attrs->lsa_blocks,
10828 printf("%llu\n", (unsigned long long)attrs->lsa_size);
10830 case LFS_SOM_BLOCKS:
10831 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
10833 case LFS_SOM_FLAGS:
10834 printf("%x\n", attrs->lsa_valid);
10837 fprintf(stderr, "%s: unknown option\n", progname);
10845 * lfs_mirror_list_commands() - List lfs mirror commands.
10846 * @argc: The count of command line arguments.
10847 * @argv: Array of strings for command line arguments.
10849 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10851 * Return: 0 on success.
10853 static int lfs_mirror_list_commands(int argc, char **argv)
10855 char buffer[81] = "";
10857 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10863 static int lfs_pcc_attach(int argc, char **argv)
10865 struct option long_opts[] = {
10866 { .val = 'i', .name = "id", .has_arg = required_argument },
10867 { .name = NULL } };
10870 __u32 archive_id = 0;
10873 char fullpath[PATH_MAX];
10874 enum lu_pcc_type type = LU_PCC_READWRITE;
10877 while ((c = getopt_long(argc, argv, "i:",
10878 long_opts, NULL)) != -1) {
10881 archive_id = strtoul(optarg, &end, 0);
10882 if (*end != '\0' || archive_id == 0) {
10883 fprintf(stderr, "error: %s: bad archive ID "
10884 "'%s'\n", argv[0], optarg);
10891 fprintf(stderr, "%s: option '%s' unrecognized\n",
10892 argv[0], argv[optind - 1]);
10897 if (archive_id == 0) {
10898 fprintf(stderr, "%s: must specify attach ID\n", argv[0]);
10902 if (argc <= optind) {
10903 fprintf(stderr, "%s: must specify one or more file names\n",
10908 while (optind < argc) {
10911 path = argv[optind++];
10912 if (realpath(path, fullpath) == NULL) {
10913 fprintf(stderr, "%s: could not find path '%s': %s\n",
10914 argv[0], path, strerror(errno));
10920 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
10922 fprintf(stderr, "%s: cannot attach '%s' to PCC "
10923 "with archive ID '%u': %s\n", argv[0],
10924 path, archive_id, strerror(-rc2));
10932 static int lfs_pcc_attach_fid(int argc, char **argv)
10934 struct option long_opts[] = {
10935 { .val = 'i', .name = "id", .has_arg = required_argument },
10936 { .val = 'm', .name = "mnt", .has_arg = required_argument },
10937 { .name = NULL } };
10938 char short_opts[] = "i:m:";
10941 __u32 archive_id = 0;
10943 const char *mntpath = NULL;
10944 const char *fidstr;
10945 enum lu_pcc_type type = LU_PCC_READWRITE;
10948 while ((c = getopt_long(argc, argv, short_opts,
10949 long_opts, NULL)) != -1) {
10952 archive_id = strtoul(optarg, &end, 0);
10953 if (*end != '\0') {
10954 fprintf(stderr, "error: %s: bad archive ID "
10955 "'%s'\n", argv[0], optarg);
10965 fprintf(stderr, "%s: option '%s' unrecognized\n",
10966 argv[0], argv[optind - 1]);
10971 if (archive_id == 0) {
10972 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
10976 if (mntpath == NULL) {
10977 fprintf(stderr, "%s: must specify Lustre mount point\n",
10982 if (argc <= optind) {
10983 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
10987 while (optind < argc) {
10990 fidstr = argv[optind++];
10992 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
10995 fprintf(stderr, "%s: cannot attach '%s' on '%s' to PCC "
10996 "with archive ID '%u': %s\n", argv[0],
10997 fidstr, mntpath, archive_id, strerror(rc2));
10999 if (rc == 0 && rc2 < 0)
11005 static int lfs_pcc_detach(int argc, char **argv)
11007 struct option long_opts[] = {
11008 { .val = 'k', .name = "keep", .has_arg = no_argument },
11009 { .name = NULL } };
11010 char short_opts[] = "k";
11014 char fullpath[PATH_MAX];
11015 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11018 while ((c = getopt_long(argc, argv, short_opts,
11019 long_opts, NULL)) != -1) {
11022 detach_opt = PCC_DETACH_OPT_NONE;
11027 fprintf(stderr, "%s: option '%s' unrecognized\n",
11028 argv[0], argv[optind - 1]);
11033 while (optind < argc) {
11036 path = argv[optind++];
11037 if (realpath(path, fullpath) == NULL) {
11038 fprintf(stderr, "%s: could not find path '%s': %s\n",
11039 argv[0], path, strerror(errno));
11045 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
11048 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
11049 "%s\n", argv[0], path, strerror(errno));
11057 static int lfs_pcc_detach_fid(int argc, char **argv)
11059 struct option long_opts[] = {
11060 { .val = 'k', .name = "keep", .has_arg = no_argument },
11061 { .name = NULL } };
11062 char short_opts[] = "k";
11066 const char *mntpath;
11067 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11070 while ((c = getopt_long(argc, argv, short_opts,
11071 long_opts, NULL)) != -1) {
11074 detach_opt = PCC_DETACH_OPT_NONE;
11079 fprintf(stderr, "%s: option '%s' unrecognized\n",
11080 argv[0], argv[optind - 1]);
11085 mntpath = argv[optind++];
11087 while (optind < argc) {
11090 fid = argv[optind++];
11092 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
11094 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
11095 "from PCC: %s\n", argv[0], fid, mntpath,
11104 static int lfs_pcc_state(int argc, char **argv)
11108 char fullpath[PATH_MAX];
11109 struct lu_pcc_state state;
11114 fprintf(stderr, "%s: must specify one or more file names\n",
11119 while (optind < argc) {
11122 path = argv[optind++];
11123 if (realpath(path, fullpath) == NULL) {
11124 fprintf(stderr, "%s: could not find path '%s': %s\n",
11125 argv[0], path, strerror(errno));
11131 rc2 = llapi_pcc_state_get(fullpath, &state);
11135 fprintf(stderr, "%s: cannot get PCC state of '%s': "
11136 "%s\n", argv[0], path, strerror(-rc2));
11140 printf("file: %s", path);
11141 printf(", type: %s", pcc_type2string(state.pccs_type));
11142 if (state.pccs_type == LU_PCC_NONE &&
11143 state.pccs_open_count == 0) {
11148 printf(", PCC file: %s", state.pccs_path);
11149 printf(", user number: %u", state.pccs_open_count);
11150 printf(", flags: %x", state.pccs_flags);
11157 * lfs_pcc_list_commands() - List lfs pcc commands.
11158 * @argc: The count of command line arguments.
11159 * @argv: Array of strings for command line arguments.
11161 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11163 * Return: 0 on success.
11165 static int lfs_pcc_list_commands(int argc, char **argv)
11167 char buffer[81] = "";
11169 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11176 * lfs_pcc() - Parse and execute lfs pcc commands.
11177 * @argc: The count of lfs pcc command line arguments.
11178 * @argv: Array of strings for lfs pcc command line arguments.
11180 * This function parses lfs pcc commands and performs the
11181 * corresponding functions specified in pcc_cmdlist[].
11183 * Return: 0 on success or an error code on failure.
11185 static int lfs_pcc(int argc, char **argv)
11187 char cmd[PATH_MAX];
11190 setlinebuf(stdout);
11192 Parser_init("lfs-pcc > ", pcc_cmdlist);
11194 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11196 program_invocation_short_name = cmd;
11198 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11200 rc = Parser_commands();
11202 return rc < 0 ? -rc : rc;
11205 static int lfs_list_commands(int argc, char **argv)
11207 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11209 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11214 int main(int argc, char **argv)
11218 /* Ensure that liblustreapi constructor has run */
11219 if (!llapi_liblustreapi_initialized())
11220 fprintf(stderr, "liblustreapi was not properly initialized\n");
11222 setlinebuf(stdout);
11225 Parser_init("lfs > ", cmdlist);
11227 progname = program_invocation_short_name; /* Used in error messages */
11229 llapi_set_command_name(argv[1]);
11230 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11231 llapi_clear_command_name();
11233 rc = Parser_commands();
11236 return rc < 0 ? -rc : rc;
11239 #ifdef _LUSTRE_IDL_H_
11240 /* Everything we need here should be included by lustreapi.h. */
11241 # error "lfs should not depend on lustre_idl.h"
11242 #endif /* _LUSTRE_IDL_H_ */