4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
34 * Author: Peter J. Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Robert Read <rread@clusterfs.com>
55 #include <sys/ioctl.h>
56 #include <sys/quota.h>
58 #include <sys/types.h>
60 #include <sys/param.h>
61 #include <sys/xattr.h>
68 #include <asm/byteorder.h>
69 #include "lfs_project.h"
71 #include <libcfs/util/string.h>
72 #include <libcfs/util/ioctl.h>
73 #include <libcfs/util/parser.h>
74 #include <libcfs/util/string.h>
75 #include <lustre/lustreapi.h>
76 #include <linux/lustre/lustre_ver.h>
77 #include <linux/lustre/lustre_param.h>
78 #include <linux/lnet/nidstr.h>
79 #include <lnetconfig/cyaml.h>
83 static int lfs_find(int argc, char **argv);
84 static int lfs_getstripe(int argc, char **argv);
85 static int lfs_getdirstripe(int argc, char **argv);
86 static int lfs_setdirstripe(int argc, char **argv);
87 static int lfs_rmentry(int argc, char **argv);
88 static int lfs_osts(int argc, char **argv);
89 static int lfs_mdts(int argc, char **argv);
90 static int lfs_df(int argc, char **argv);
91 static int lfs_getname(int argc, char **argv);
92 static int lfs_check(int argc, char **argv);
93 #ifdef HAVE_SYS_QUOTA_H
94 static int lfs_setquota(int argc, char **argv);
95 static int lfs_quota(int argc, char **argv);
96 static int lfs_project(int argc, char **argv);
98 static int lfs_flushctx(int argc, char **argv);
99 static int lfs_poollist(int argc, char **argv);
100 static int lfs_changelog(int argc, char **argv);
101 static int lfs_changelog_clear(int argc, char **argv);
102 static int lfs_fid2path(int argc, char **argv);
103 static int lfs_path2fid(int argc, char **argv);
104 static int lfs_rmfid(int argc, char **argv);
105 static int lfs_data_version(int argc, char **argv);
106 static int lfs_hsm_state(int argc, char **argv);
107 static int lfs_hsm_set(int argc, char **argv);
108 static int lfs_hsm_clear(int argc, char **argv);
109 static int lfs_hsm_action(int argc, char **argv);
110 static int lfs_hsm_archive(int argc, char **argv);
111 static int lfs_hsm_restore(int argc, char **argv);
112 static int lfs_hsm_release(int argc, char **argv);
113 static int lfs_hsm_remove(int argc, char **argv);
114 static int lfs_hsm_cancel(int argc, char **argv);
115 static int lfs_swap_layouts(int argc, char **argv);
116 static int lfs_mv(int argc, char **argv);
117 static int lfs_ladvise(int argc, char **argv);
118 static int lfs_getsom(int argc, char **argv);
119 static int lfs_heat_get(int argc, char **argv);
120 static int lfs_heat_set(int argc, char **argv);
121 static int lfs_mirror(int argc, char **argv);
122 static int lfs_mirror_list_commands(int argc, char **argv);
123 static int lfs_list_commands(int argc, char **argv);
124 static inline int lfs_mirror_resync(int argc, char **argv);
125 static inline int lfs_mirror_verify(int argc, char **argv);
126 static inline int lfs_mirror_read(int argc, char **argv);
127 static inline int lfs_mirror_write(int argc, char **argv);
128 static inline int lfs_mirror_copy(int argc, char **argv);
129 static int lfs_pcc_attach(int argc, char **argv);
130 static int lfs_pcc_attach_fid(int argc, char **argv);
131 static int lfs_pcc_detach(int argc, char **argv);
132 static int lfs_pcc_detach_fid(int argc, char **argv);
133 static int lfs_pcc_state(int argc, char **argv);
134 static int lfs_pcc(int argc, char **argv);
135 static int lfs_pcc_list_commands(int argc, char **argv);
136 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
137 __u64 migration_flags,
138 struct llapi_stripe_param *param,
139 struct llapi_layout *layout);
141 enum setstripe_origin {
151 static int lfs_setstripe_internal(int argc, char **argv,
152 enum setstripe_origin opc);
154 static inline int lfs_setstripe(int argc, char **argv)
156 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
159 static inline int lfs_setstripe_migrate(int argc, char **argv)
161 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);
169 static inline int lfs_mirror_extend(int argc, char **argv)
171 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
174 static inline int lfs_mirror_split(int argc, char **argv)
176 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
179 static inline int lfs_mirror_delete(int argc, char **argv)
181 return lfs_setstripe_internal(argc, argv, SO_MIRROR_DELETE);
184 /* Setstripe and migrate share mostly the same parameters */
185 #define SSM_CMD_COMMON(cmd) \
186 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
187 " [--stripe-count|-c <stripe_count>]\n" \
188 " [--overstripe-count|-C <stripe_count>]\n" \
189 " [--stripe-index|-i <start_ost_idx>]\n" \
190 " [--stripe-size|-S <stripe_size>]\n" \
191 " [--extension-size|--ext-size|-z]\n" \
192 " [--layout|-L <pattern>]\n" \
193 " [--mirror_count|-N[mirror_count]]\n" \
194 " [--ost|-o <ost_indices>]\n" \
195 " [--pool|-p <pool_name>]\n" \
196 " [--yaml|-y <yaml_template_file>]\n" \
197 " [--copy=<lustre_src>]\n"
199 #define SSM_HELP_COMMON \
200 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
201 "\t Using -C instead of -c allows overstriping, which\n" \
202 "\t will place more than one stripe per OST if\n" \
203 "\t stripe_count is greater than the number of OSTs\n" \
204 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
205 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
206 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
207 "\t respectively)\n" \
208 "\textension_size:\n" \
209 "\t Number of bytes the previous component is extended\n" \
210 "\t each time. Can be specified with K, M, G (for KB,\n" \
211 "\t MB, GB respectively)\n" \
212 "\tpool_name: Name of OST pool to use (default none)\n" \
213 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
214 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
215 "\t Indices be specified in a format of:\n" \
216 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
218 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
219 "\t If --pool is set with --ost then the OSTs\n" \
220 "\t must be the members of the pool.\n" \
221 "\tcomp_end: Extent end of component, start after previous end.\n"\
222 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
223 "\t respectively, -1 for EOF). Must be a multiple of\n"\
224 "\t stripe_size.\n" \
225 "\tyaml_template_file:\n" \
226 "\t YAML layout template file, can't be used with -c,\n" \
227 "\t -i, -S, -p, -o, or -E arguments.\n" \
228 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
229 "\t another lustre file or directory, can't used with\n" \
230 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
232 #define MIRROR_CREATE_HELP \
233 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
234 "\t setstripe layout options\n" \
235 "\t It defaults to 1 if not specified; if specified,\n" \
236 "\t it must follow the option without a space.\n" \
237 "\t The option can also be repeated multiple times to\n" \
238 "\t separate mirrors that have different layouts.\n" \
239 "\tSETSTRIPE_OPTIONS: Mirror layout as with 'setstripe'\n" \
240 "\t It can be a plain layout or a composite layout.\n" \
241 "\t If not specified, the stripe options inherited\n" \
242 "\t from the previous component will be used.\n" \
243 "\tflags: set flags to the component of the current mirror.\n" \
244 "\t Only \"prefer\" flag is supported so far.\n"
246 #define MIRROR_EXTEND_HELP \
248 "\tvictim_file: The layout of victim_file will be split and used\n" \
249 "\t as a mirror added to the mirrored file.\n" \
250 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
251 "\t from victim file(s) in case the victim file(s)\n" \
252 "\t contains the same data as the original mirrored\n" \
255 #define MIRROR_EXTEND_USAGE \
256 " {--mirror-count|-N[mirror_count]}\n" \
257 " [SETSTRIPE_OPTIONS|-f|--file <victim_file>]\n" \
260 #define SETSTRIPE_USAGE \
261 SSM_CMD_COMMON("setstripe") \
262 MIRROR_EXTEND_USAGE \
263 " <directory|filename>\n" \
267 #define MIGRATE_USAGE \
268 SSM_CMD_COMMON("migrate ") \
269 " [--block|-b] [--non-block|-n]\n" \
270 " [--non-direct|-D] [--verbose|-v]\n" \
274 "\tblock: Block file access during data migration (default)\n" \
275 "\tnon-block: Abort migrations if concurrent access is detected\n" \
276 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
277 "\tverbose: Print each filename as it is migrated\n" \
279 #define SETDIRSTRIPE_USAGE \
280 " [--mdt-count|-c stripe_count>\n" \
281 " [--mdt-hash|-H mdt_hash]\n" \
282 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
283 " [--default|-D] [--mode|-o mode] <dir>\n" \
284 "\tstripe_count: stripe count of the striped directory\n" \
285 "\tmdt_index: MDT index of first stripe\n" \
286 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
287 " crush CRUSH hash algorithm (default)\n" \
288 " fnv_1a_64 FNV-1a hash algorithm\n" \
289 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
290 "\tdefault_stripe: set default dirstripe of the directory\n" \
291 "\tmode: the file access permission of the directory (octal)\n" \
292 "To create dir with a foreign (free format) layout :\n" \
293 "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
294 "[--mode|-o mode] [--flags <hex>] <dir>\n" \
295 "\tmode: the mode of the directory\n" \
296 "\tforeign_type: none or daos\n"
299 * command_t mirror_cmdlist - lfs mirror commands.
301 command_t mirror_cmdlist[] = {
302 { .pc_name = "create", .pc_func = lfs_mirror_create,
303 .pc_help = "Create a mirrored file.\n"
304 "usage: lfs mirror create "
305 "<--mirror-count|-N[mirror_count]> "
306 "[SETSTRIPE_OPTIONS] ... <filename|directory> ...\n"
307 MIRROR_CREATE_HELP },
308 { .pc_name = "delete", .pc_func = lfs_mirror_delete,
309 .pc_help = "Delete a mirror from a file.\n"
310 "usage: lfs mirror delete {--mirror-id <mirror_id> |\n"
311 "\t --component-id|--comp-id|-I <comp_id> |\n"
312 "\t -p <pool>} <mirrored_file> ...\n"
314 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
315 .pc_help = "Extend a mirrored file.\n"
316 "usage: lfs mirror extend "
317 "<--mirror-count|-N[mirror_count]> [--no-verify] "
318 "[SETSTRIPE_OPTIONS|-f <victim_file>] ... <filename> ...\n"
319 MIRROR_EXTEND_HELP },
320 { .pc_name = "split", .pc_func = lfs_mirror_split,
321 .pc_help = "Split a mirrored file.\n"
322 "usage: lfs mirror split <--mirror-id <mirror_id> |\n"
323 "\t --component-id|-I <comp_id>|-p <pool>> [--destroy|-d]\n"
324 "\t [-f <new_file>] <mirrored_file> ...\n"
325 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
326 "\t can be fetched by lfs getstripe command.\n"
327 "\tcomp_id: Unique component ID within a mirror.\n"
328 "\tpool: Components on specified pool.\n"
329 "\tnew_file: This option indicates the layout of the split\n"
330 "\t mirror will be stored into. If not specified,\n"
331 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
332 "\t will be used.\n" },
333 { .pc_name = "read", .pc_func = lfs_mirror_read,
334 .pc_help = "Read the content of a specified mirror of a file.\n"
335 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
336 "[--outfile|-o <output_file>] <mirrored_file>\n" },
337 { .pc_name = "write", .pc_func = lfs_mirror_write,
338 .pc_help = "Write to a specified mirror of a file.\n"
339 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
340 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
341 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
342 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
343 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
344 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
345 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
346 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
347 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
348 "<mirrored file> [<mirrored file2>...]\n"},
349 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
350 .pc_help = "Verify mirrored file(s).\n"
351 "usage: lfs mirror verify "
352 "[--only <mirror_id,mirror_id2[,...]>] "
353 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
354 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
355 .pc_help = "list commands supported by lfs mirror"},
356 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
357 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
358 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
363 * command_t pcc_cmdlist - lfs pcc commands.
365 command_t pcc_cmdlist[] = {
366 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
367 .pc_help = "Attach given files to the Persistent Client Cache.\n"
368 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
369 "\t-i: archive id for RW-PCC\n" },
370 { .pc_name = "attach_fid", .pc_func = lfs_pcc_attach_fid,
371 .pc_help = "Attach given files into PCC by FID(s).\n"
372 "usage: lfs pcc attach_id <--id|-i NUM> <--mnt|-m mnt> "
374 "\t-i: archive id for RW-PCC\n"
375 "\t-m: Lustre mount point\n" },
376 { .pc_name = "state", .pc_func = lfs_pcc_state,
377 .pc_help = "Display the PCC state for given files.\n"
378 "usage: lfs pcc state <file> ...\n" },
379 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
380 .pc_help = "Detach given files from the Persistent Client Cache.\n"
381 "usage: lfs pcc detach <file> ...\n" },
382 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
383 .pc_help = "Detach given files from PCC by FID(s).\n"
384 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
385 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
386 .pc_help = "list commands supported by lfs pcc"},
387 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
388 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
389 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
393 /* all available commands */
394 command_t cmdlist[] = {
395 {"setstripe", lfs_setstripe, 0,
396 "To create a file with specified striping/composite layout, or\n"
397 "create/replace the default layout on an existing directory:\n"
398 SSM_CMD_COMMON("setstripe")
400 " <directory|filename>\n"
402 "To add component(s) to an existing composite file:\n"
403 SSM_CMD_COMMON("setstripe --component-add")
405 "To totally delete the default striping from an existing directory:\n"
406 "usage: setstripe [--delete|-d] <directory>\n"
408 "To create a mirrored file or set s default mirror layout on a directory:\n"
409 "usage: setstripe {--mirror-count|-N}[mirror_count] [SETSTRIPE_OPTIONS] <directory|filename>\n"
411 "To delete the last component(s) from an existing composite file\n"
412 "(note that this will also delete any data in those components):\n"
413 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
414 " [--component-flags|-F <comp_flags>]\n"
416 "\tcomp_id: Unique component ID to delete\n"
417 "\tcomp_flags: 'init' indicating all instantiated components\n"
418 "\t '^init' indicating all uninstantiated components\n"
419 "\t-I and -F cannot be specified at the same time\n"
420 "To create a file with a foreign (free format) layout:\n"
421 "usage: setstripe --foreign[=<foreign_type>]\n"
422 " --xattr|-x <layout_string> [--flags <hex>]\n"
423 " [--mode <mode>] <filename>\n"},
424 {"getstripe", lfs_getstripe, 0,
425 "To list the layout pattern for a given file or files in a\n"
426 "directory or recursively for all files in a directory tree.\n"
427 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
428 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
429 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
430 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
431 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
432 " [--component-id[=comp_id]|-I[comp_id]]\n"
433 " [--component-flags[=comp_flags]]\n"
434 " [--component-count]\n"
435 " [--extension-size|--ext-size|-z]\n"
436 " [--component-start[=[+-]comp_start]]\n"
437 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
438 " [[!] --mirror-index=[+-]<index> |\n"
439 " [!] --mirror-id=[+-]<id>]\n"
440 " <directory|filename> ..."},
441 {"setdirstripe", lfs_setdirstripe, 0,
442 "Create striped directory on specified MDT, same as mkdir.\n"
443 "May be restricted to root or group users, depending on settings.\n"
444 "usage: setdirstripe [OPTION] <directory>\n"
446 {"getdirstripe", lfs_getdirstripe, 0,
447 "To list the layout pattern info for a given directory\n"
448 "or recursively for all directories in a directory tree.\n"
449 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
450 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
451 " [--recursive|-r] [--yaml|-y]\n"
452 " [--verbose|-v] [--default|-D] <dir> ..."},
453 {"mkdir", lfs_setdirstripe, 0,
454 "Create striped directory on specified MDT, same as setdirstripe.\n"
455 "usage: mkdir [OPTION] <directory>\n"
457 {"rm_entry", lfs_rmentry, 0,
458 "To remove the name entry of the remote directory. Note: This\n"
459 "command will only delete the name entry, i.e. the remote directory\n"
460 "will become inaccessable after this command. This can only be done\n"
461 "by the administrator\n"
462 "usage: rm_entry <dir>\n"},
463 {"pool_list", lfs_poollist, 0,
464 "List pools or pool OSTs\n"
465 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
466 {"find", lfs_find, 0,
467 "find files matching given attributes recursively in directory tree.\n"
468 "usage: find <directory|filename> ...\n"
469 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
470 " [[!] --mtime|-M [+-]N[smhdwy]]\n"
471 " [[!] --btime|--Btime|-B [+-]N[smhdwy]]\n"
472 " [[!] --newer[XY] <reference>] [[!] --blocks|-b N]\n"
473 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
474 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
475 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
476 " [[!] --stripe-count|-c [+-]<stripes>]\n"
477 " [[!] --stripe-index|-i <index,...>]\n"
478 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
479 " [[!] --extension-size|--ext-size|-z [+-]N[kMGT]]\n"
480 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
481 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
482 " [[!] --projid <projid>]\n"
483 " [[!] --foreign[=<foreign_type>]]\n"
484 " [[!] --layout|-L released,raid0,mdt]\n"
485 " [[!] --foreign[=<foreign_type>]]\n"
486 " [[!] --component-count [+-]<comp_cnt>]\n"
487 " [[!] --component-start [+-]N[kMGTPE]]\n"
488 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
489 " [[!] --component-flags {init,stale,prefer,offline,nosync,extension}]\n"
490 " [[!] --mirror-count|-N [+-]<n>]\n"
491 " [[!] --mirror-state <[^]state>]\n"
492 " [[!] --mdt-count|-T [+-]<stripes>]\n"
493 " [[!] --mdt-hash|-H <hashtype>\n"
494 " [[!] --mdt-index|-m <uuid|index,...>]\n"
495 "\t !: used before an option indicates 'NOT' requested attribute\n"
496 "\t -: used before a value indicates less than requested value\n"
497 "\t +: used before a value indicates more than requested value\n"
498 "\thashtype: hash type of the striped directory.\n"
499 "\t fnv_1a_64 FNV-1a hash algorithm\n"
500 "\t all_char sum of characters % MDT_COUNT\n"},
501 {"check", lfs_check, 0,
502 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
503 "or all the servers (MGTs, MDTs and OSTs).\n"
504 "usage: check <mgts|osts|mdts|all>"},
505 {"osts", lfs_osts, 0, "list OSTs connected to client "
506 "[for specified path only]\n" "usage: osts [path]"},
507 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
508 "[for specified path only]\n" "usage: mdts [path]"},
510 "report filesystem disk space usage or inodes usage "
511 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
512 "Usage: df [--inodes|-i] [--human-readable|-h] [--lazy|-l]\n"
513 " [--pool|-p <fsname>[.<pool>]] [path]"},
514 {"getname", lfs_getname, 0,
515 "list instances and specified mount points [for specified path only]\n"
516 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
517 #ifdef HAVE_SYS_QUOTA_H
518 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
519 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
520 " -b <block-softlimit> -B <block-hardlimit>\n"
521 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
522 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\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 [-t] <-u|--user|-g|--group|-p|--projid>\n"
528 " [--block-grace 'notify'|<block-grace>]\n"
529 " [--inode-grace 'notify'|<inode-grace>] <filesystem>\n"
530 " setquota <-U|-G|-P>\n"
531 " -b <block-softlimit> -B <block-hardlimit>\n"
532 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
533 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
534 " [--block-softlimit <block-softlimit>]\n"
535 " [--block-hardlimit <block-hardlimit>]\n"
536 " [--inode-softlimit <inode-softlimit>]\n"
537 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
538 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
540 " -b can be used instead of --block-softlimit/--block-grace\n"
541 " -B can be used instead of --block-hardlimit\n"
542 " -i can be used instead of --inode-softlimit/--inode-grace\n"
543 " -I can be used instead of --inode-hardlimit\n"
544 " -d can be used instead of --default\n\n"
545 "Note: The total quota space will be split into many qunits and\n"
546 " balanced over all server targets, the minimal qunit size is\n"
547 " 1M bytes for block space and 1K inodes for inode space.\n\n"
548 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
549 " Quota space rebalancing process will stop when this mininum\n"
550 " value is reached. As a result, quota exceeded can be returned\n"
551 " while many targets still have 1MB or 1K inodes of spare\n"
553 " When setting the grace time, 'notify' can be used as grace to\n"
554 " be notified after the quota is over soft limit but prevents\n"
555 " the soft limit from becoming the hard limit."},
556 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
557 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
559 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
560 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
561 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
562 {"project", lfs_project, 0,
563 "Change or list project attribute for specified file or directory.\n"
564 "usage: project [-d|-r] <file|directory...>\n"
565 " list project ID and flags on file(s) or directories\n"
566 " project [-p id] [-s] [-r] <file|directory...>\n"
567 " set project ID and/or inherit flag for specified file(s) or directories\n"
568 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
569 " check project ID and flags on file(s) or directories, print outliers\n"
570 " project -C [-r] [-k] <file|directory...>\n"
571 " clear the project inherit flag and ID on the file or directory\n"
574 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
575 "usage: flushctx [-k] [mountpoint...]"},
576 {"changelog", lfs_changelog, 0,
577 "Show the metadata changes on an MDT."
578 "\nusage: changelog <mdtname> [startrec [endrec]]"},
579 {"changelog_clear", lfs_changelog_clear, 0,
580 "Indicate that old changelog records up to <endrec> are no longer of "
581 "interest to consumer <id>, allowing the system to free up space.\n"
582 "An <endrec> of 0 means all records.\n"
583 "usage: changelog_clear <mdtname> <id> <endrec>"},
584 {"fid2path", lfs_fid2path, 0,
585 "Resolve the full path(s) for given FID(s). For a specific hardlink "
586 "specify link number <linkno>.\n"
587 "usage: fid2path [-c] [--link|-l <linkno>] <fsname|root> <fid> ..."},
588 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
589 "usage: path2fid [--parents] <path> ..."},
590 {"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
591 "usage: rmfid <fsname|rootpath> <fid> ..."},
592 {"data_version", lfs_data_version, 0, "Display file data version for "
593 "a given path.\n" "usage: data_version [-n|-r|-w] <path>"},
594 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
595 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
596 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
597 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
598 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
599 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
601 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
602 "[--archived] [--lost] <file> ..."},
603 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
604 "given files.\n" "usage: hsm_action <file> ..."},
605 {"hsm_archive", lfs_hsm_archive, 0,
606 "Archive file to external storage.\n"
607 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
609 {"hsm_restore", lfs_hsm_restore, 0,
610 "Restore file from external storage.\n"
611 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
612 {"hsm_release", lfs_hsm_release, 0,
613 "Release files from Lustre.\n"
614 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
615 {"hsm_remove", lfs_hsm_remove, 0,
616 "Remove file copy from external storage.\n"
617 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
619 " (FILE [FILE ...] | "
620 "--mntpath MOUNTPATH FID [FID ...])\n"
622 "Note: To remove an archived copy of a file already deleted from a "
624 "--mntpath option and a list of FIDs must be specified"
626 {"hsm_cancel", lfs_hsm_cancel, 0,
627 "Cancel requests related to specified files.\n"
628 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
629 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
630 "usage: swap_layouts <path1> <path2>"},
631 {"migrate", lfs_setstripe_migrate, 0,
632 "migrate a directory between MDTs.\n"
633 "usage: migrate [--mdt-count|-c] <stripe_count>\n"
634 " [--mdt-hash|-H] <hash_type>\n"
635 " [--mdt-index|-m] <start_mdt_index>\n"
638 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
639 " it's the MDT index of first stripe\n"
640 "\tmdt_count: number of MDTs to stripe a directory over\n"
641 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
642 " all_char (type 1)sum of characters % MDT_COUNT\n"
643 " fnv_1a_64 (type 2)FNV-1a hash algorithm (default)\n"
644 " crush (type 3)CRUSH hash algorithm\n"
646 "migrate file objects from one OST "
647 "layout\nto another (may be not safe with concurent writes).\n"
649 "[--stripe-count|-c] <stripe_count>\n"
650 "[--overstripe-count|-C] <stripe_count>\n"
651 " [--stripe-index|-i] <start_ost_index>\n"
652 " [--stripe-size|-S] <stripe_size>\n"
653 " [--pool|-p] <pool_name>\n"
654 " [--ost|-o] <ost_indices>\n"
656 " [--non-block|-n]\n"
657 " [--non-direct|-D]\n"
658 " <file|directory>\n"
659 "\tstripe_count: number of OSTs to stripe a file over\n"
660 "\t Using -C instead of -c allows overstriping, which\n"
661 "\t will place more than one stripe per OST if\n"
662 "\t stripe_count is greater than the number of OSTs\n"
663 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
664 "\tstripe_size: number of bytes to store before moving to the next OST\n"
665 "\tpool_name: name of the predefined pool of OSTs\n"
666 "\tost_indices: OSTs to stripe over, in order\n"
667 "\tblock: Block file access during data migration (default)\n"
668 "\tnon-block: Abort migrations if concurrent access is detected\n"
669 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
671 "To move directories between MDTs. This command is deprecated, "
672 "use \"migrate\" instead.\n"
673 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
675 {"ladvise", lfs_ladvise, 0,
676 "Provide servers with advice about access patterns for a file.\n"
677 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
678 " [--background|-b] [--unset|-u]\n\n"
679 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
680 " {[--mode|-m [READ,WRITE]}\n"
682 {"mirror", lfs_mirror, mirror_cmdlist,
683 "lfs commands used to manage files with mirrored components:\n"
684 "lfs mirror create - create a mirrored file or directory\n"
685 "lfs mirror extend - add mirror(s) to an existing file\n"
686 "lfs mirror split - split a mirror from an existing mirrored file\n"
687 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
688 "lfs mirror read - read a mirror content of a mirrored file\n"
689 "lfs mirror write - write to a mirror of a mirrored file\n"
690 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
691 "lfs mirror verify - verify mirrored file(s)\n"},
692 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
693 "usage: getsom [-s] [-b] [-f] <path>\n"
694 "\t-s: Only show the size value of the SOM data for a given file\n"
695 "\t-b: Only show the blocks value of the SOM data for a given file\n"
696 "\t-f: Only show the flags value of the SOM data for a given file\n"},
697 {"heat_get", lfs_heat_get, 0,
698 "To get heat of files.\n"
699 "usage: heat_get <file> ...\n"},
700 {"heat_set", lfs_heat_set, 0,
701 "To set heat flags of files.\n"
702 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
703 "\t--clear|-c: Clear file heat for given files\n"
704 "\t--off|-o: Turn off file heat for given files\n"
705 "\t--on|-O: Turn on file heat for given files\n"},
706 {"pcc", lfs_pcc, pcc_cmdlist,
707 "lfs commands used to interact with PCC features:\n"
708 "lfs pcc attach - attach given files to Persistent Client Cache\n"
709 "lfs pcc attach_fid - attach given files into PCC by FID(s)\n"
710 "lfs pcc state - display the PCC state for given files\n"
711 "lfs pcc detach - detach given files from Persistent Client Cache\n"
712 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
713 {"help", Parser_help, 0, "help"},
714 {"exit", Parser_quit, 0, "quit"},
715 {"quit", Parser_quit, 0, "quit"},
716 {"--version", Parser_version, 0,
717 "output build version of the utility and exit"},
718 {"--list-commands", lfs_list_commands, 0,
719 "list commands supported by the utility and exit"},
723 static int check_hashtype(const char *hashtype)
725 int type_num = atoi(hashtype);
728 /* numeric hash type */
729 if (hashtype && strlen(hashtype) == 1 &&
730 (type_num > 0 && type_num < LMV_HASH_TYPE_MAX))
732 /* string hash type */
733 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
734 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
740 static uint32_t check_foreign_type_name(const char *foreign_type_name)
744 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
745 if (!lu_foreign_types[i].lft_name)
747 if (strcmp(foreign_type_name,
748 lu_foreign_types[i].lft_name) == 0)
749 return lu_foreign_types[i].lft_type;
752 return LU_FOREIGN_TYPE_UNKNOWN;
755 static const char *error_loc = "syserror";
758 MIGRATION_NONBLOCK = 0x0001,
759 MIGRATION_MIRROR = 0x0002,
760 MIGRATION_NONDIRECT = 0x0004,
761 MIGRATION_VERBOSE = 0x0008,
764 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
765 struct llapi_layout *layout);
768 migrate_open_files(const char *name, __u64 migration_flags,
769 const struct llapi_stripe_param *param,
770 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
777 char parent[PATH_MAX];
778 char volatile_file[PATH_MAX];
784 if (!param && !layout) {
785 error_loc = "layout information";
789 /* search for file directory pathname */
790 if (strlen(name) > sizeof(parent) - 1) {
791 error_loc = "source file name";
795 strncpy(parent, name, sizeof(parent));
796 ptr = strrchr(parent, '/');
798 if (!getcwd(parent, sizeof(parent))) {
799 error_loc = "getcwd";
803 if (ptr == parent) /* leading '/' */
808 /* open file, direct io */
809 /* even if the file is only read, WR mode is nedeed to allow
813 if (!(migration_flags & MIGRATION_NONDIRECT))
815 fd = open(name, rflags);
818 error_loc = "cannot open source file";
822 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
824 error_loc = "cannot get MDT index";
829 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
830 mode_t open_mode = S_IRUSR | S_IWUSR;
832 random_value = random();
833 rc = snprintf(volatile_file, sizeof(volatile_file),
834 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
835 mdt_index, random_value);
836 if (rc >= sizeof(volatile_file)) {
841 /* create, open a volatile file, use caching (ie no directio) */
843 fdv = lfs_component_create(volatile_file, open_flags,
846 fdv = llapi_file_open_param(volatile_file, open_flags,
848 } while (fdv < 0 && (rc = fdv) == -EEXIST);
851 error_loc = "cannot create volatile file";
856 * In case the MDT does not support creation of volatile files
857 * we should try to unlink it.
859 (void)unlink(volatile_file);
862 * Not-owner (root?) special case.
863 * Need to set owner/group of volatile file like original.
864 * This will allow to pass related check during layout_swap.
869 error_loc = "cannot stat source file";
873 rc = fstat(fdv, &stv);
876 error_loc = "cannot stat volatile";
880 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
881 rc = fchown(fdv, st.st_uid, st.st_gid);
884 error_loc = "cannot change ownwership of volatile";
903 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
905 struct llapi_layout *layout;
906 size_t buf_size = 4 * 1024 * 1024;
915 layout = llapi_layout_get_by_fd(fd_src, 0);
917 uint64_t stripe_size;
919 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
921 buf_size = stripe_size;
923 llapi_layout_free(layout);
926 /* Use a page-aligned buffer for direct I/O */
927 rc = posix_memalign(&buf, getpagesize(), buf_size);
933 * read new data only if we have written all
934 * previously read data
938 rc = check_file(fd_src);
943 rsize = read(fd_src, buf, buf_size);
955 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
974 static int migrate_copy_timestamps(int fd, int fdv)
978 if (fstat(fd, &st) == 0) {
979 struct timeval tv[2] = {
980 {.tv_sec = st.st_atime},
981 {.tv_sec = st.st_mtime}
984 return futimes(fdv, tv);
990 static int migrate_block(int fd, int fdv)
997 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
999 error_loc = "cannot get dataversion";
1008 * The grouplock blocks all concurrent accesses to the file.
1009 * It has to be taken after llapi_get_data_version as it would
1012 rc = llapi_group_lock(fd, gid);
1014 error_loc = "cannot get group lock";
1018 rc = migrate_copy_data(fd, fdv, NULL);
1020 error_loc = "data copy failed";
1024 /* Make sure we keep original atime/mtime values */
1025 rc = migrate_copy_timestamps(fd, fdv);
1027 error_loc = "timestamp copy failed";
1033 * for a migration we need to check data version on file did
1036 * Pass in gid=0 since we already own grouplock.
1038 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
1039 SWAP_LAYOUTS_CHECK_DV1);
1040 if (rc == -EAGAIN) {
1041 error_loc = "file changed";
1043 } else if (rc < 0) {
1044 error_loc = "cannot swap layout";
1049 rc2 = llapi_group_unlock(fd, gid);
1050 if (rc2 < 0 && rc == 0) {
1051 error_loc = "unlock group lock";
1059 * Internal helper for migrate_copy_data(). Check lease and report error if
1062 * \param[in] fd File descriptor on which to check the lease.
1064 * \retval 0 Migration can keep on going.
1065 * \retval -errno Error occurred, abort migration.
1067 static int check_lease(int fd)
1071 rc = llapi_lease_check(fd);
1073 return 0; /* llapi_check_lease returns > 0 on success. */
1078 static int migrate_nonblock(int fd, int fdv)
1084 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1086 error_loc = "cannot get data version";
1090 rc = migrate_copy_data(fd, fdv, check_lease);
1092 error_loc = "data copy failed";
1096 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1098 error_loc = "cannot get data version";
1104 error_loc = "source file changed";
1108 /* Make sure we keep original atime/mtime values */
1109 rc = migrate_copy_timestamps(fd, fdv);
1111 error_loc = "timestamp copy failed";
1118 static int lfs_component_set(char *fname, int comp_id,
1119 __u32 flags, __u32 neg_flags)
1122 __u32 flags_array[2];
1127 ids[count] = comp_id;
1128 flags_array[count] = flags;
1133 if (neg_flags & LCME_FL_STALE) {
1135 "%s: cannot clear 'stale' flags from component. Please use lfs-mirror-resync(1) instead\n",
1140 ids[count] = comp_id;
1141 flags_array[count] = neg_flags | LCME_FL_NEG;
1145 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1147 if (errno == EUCLEAN) {
1150 "%s: cannot set 'stale' flag on component '%#x' of the last non-stale mirror of '%s'\n",
1151 progname, comp_id, fname);
1154 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1155 progname, comp_id, fname, flags, neg_flags);
1162 static int lfs_component_del(char *fname, __u32 comp_id,
1163 __u32 flags, __u32 neg_flags)
1167 if (flags && neg_flags)
1170 if (!flags && neg_flags)
1171 flags = neg_flags | LCME_FL_NEG;
1173 if ((flags && comp_id) || (!flags && !comp_id))
1177 if (flags & ~LCME_KNOWN_FLAGS) {
1179 "%s setstripe: unknown flags %#x\n",
1183 } else if (comp_id > LCME_ID_MAX) {
1184 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1189 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1192 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1193 progname, comp_id, fname, strerror(errno));
1197 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1204 rc = llapi_layout_file_comp_add(fname, layout);
1206 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1207 fname, strerror(errno));
1211 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1212 struct llapi_layout *layout)
1220 fd = lstat(fname, &st);
1221 if (fd == 0 && S_ISDIR(st.st_mode))
1222 open_flags = O_DIRECTORY | O_RDONLY;
1224 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1226 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1227 S_ISDIR(st.st_mode) ?
1228 "set default composite layout for" :
1229 "create composite file",
1230 fname, strerror(errno));
1234 static int lfs_migrate(char *name, __u64 migration_flags,
1235 struct llapi_stripe_param *param,
1236 struct llapi_layout *layout)
1238 struct llapi_layout *existing;
1239 uint64_t dom_new, dom_cur;
1244 rc = migrate_open_files(name, migration_flags, param, layout,
1249 rc = llapi_layout_dom_size(layout, &dom_new);
1251 error_loc = "cannot get new layout DoM size";
1254 /* special case for migration to DOM layout*/
1255 existing = llapi_layout_get_by_fd(fd, 0);
1257 error_loc = "cannot get existing layout";
1261 rc = llapi_layout_dom_size(existing, &dom_cur);
1263 error_loc = "cannot get current layout DoM size";
1268 * if file has DoM layout already then migration is possible to
1269 * the new layout with the same DoM component via swap layout,
1270 * if new layout used bigger DOM size, then mirroring is used
1272 if (dom_new > dom_cur) {
1273 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1276 error_loc = "cannot migrate to DOM layout";
1280 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1282 * Blocking mode (forced if servers do not support file lease).
1283 * It is also the default mode, since we cannot distinguish
1284 * between a broken lease and a server that does not support
1285 * atomic swap/close (LU-6785)
1287 rc = migrate_block(fd, fdv);
1291 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1293 error_loc = "cannot get lease";
1297 rc = migrate_nonblock(fd, fdv);
1299 llapi_lease_release(fd);
1304 * Atomically put lease, swap layouts and close.
1305 * for a migration we need to check data version on file did
1308 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1310 error_loc = "cannot swap layout";
1322 fprintf(stderr, "error: %s: %s: %s: %s\n",
1323 progname, name, error_loc, strerror(-rc));
1324 else if (migration_flags & MIGRATION_VERBOSE)
1325 printf("%s\n", name);
1330 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1339 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1343 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1344 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1345 const char *comp_name = comp_flags_table[i].cfn_name;
1347 if (strcmp(name, comp_name) == 0) {
1348 *flags |= comp_flag;
1350 } else if (strncmp(name, "^", 1) == 0 &&
1351 strcmp(name + 1, comp_name) == 0) {
1352 *neg_flags |= comp_flag;
1357 llapi_printf(LLAPI_MSG_ERROR,
1358 "%s: component flag '%s' not supported\n",
1364 if (!*flags && !*neg_flags)
1367 /* don't allow to set and exclude the same flag */
1368 if (*flags & *neg_flags)
1374 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1382 if (strncmp(string, "^", 1) == 0) {
1383 *neg_state = llapi_layout_string_flags(string + 1);
1384 if (*neg_state != 0)
1387 *state = llapi_layout_string_flags(string);
1392 llapi_printf(LLAPI_MSG_ERROR,
1393 "%s: mirrored file state '%s' not supported\n",
1399 * struct mirror_args - Command-line arguments for mirror(s).
1400 * @m_count: Number of mirrors to be created with this layout.
1401 * @m_flags: Mirror level flags, only 'prefer' is supported.
1402 * @m_layout: Mirror layout.
1403 * @m_file: A victim file. Its layout will be split and used as a mirror.
1404 * @m_next: Point to the next node of the list.
1406 * Command-line arguments for mirror(s) will be parsed and stored in
1407 * a linked list that consists of this structure.
1409 struct mirror_args {
1412 struct llapi_layout *m_layout;
1414 struct mirror_args *m_next;
1419 * enum mirror_flags - Flags for extending a mirrored file.
1420 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1421 * in case the victim file(s) contains the same data as the
1422 * original mirrored file.
1423 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1424 * @MF_COMP_ID: specified component id instead of mirror id
1426 * Flags for extending a mirrored file.
1436 * mirror_create_sanity_check() - Check mirror list.
1437 * @list: A linked list that stores the mirror arguments.
1439 * This function does a sanity check on @list for creating
1442 * Return: 0 on success or a negative error code on failure.
1444 static int mirror_create_sanity_check(const char *fname,
1445 struct mirror_args *list)
1448 bool has_m_file = false;
1449 bool has_m_layout = false;
1455 struct llapi_layout *layout;
1457 layout = llapi_layout_get_by_path(fname, 0);
1460 "error: %s: file '%s' couldn't get layout\n",
1465 rc = llapi_layout_sanity(layout, false, true);
1467 llapi_layout_free(layout);
1470 llapi_layout_sanity_perror(rc);
1478 llapi_layout_free(list->m_layout);
1481 llapi_layout_get_by_path(list->m_file, 0);
1482 if (!list->m_layout) {
1484 "error: %s: file '%s' has no layout\n",
1485 progname, list->m_file);
1489 has_m_layout = true;
1490 if (!list->m_layout) {
1491 fprintf(stderr, "error: %s: no mirror layout\n",
1497 rc = llapi_layout_sanity(list->m_layout, false, true);
1499 llapi_layout_sanity_perror(rc);
1503 list = list->m_next;
1506 if (has_m_file && has_m_layout) {
1508 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1516 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1518 __u32 mirror_flags = *(__u32 *)cbdata;
1522 rc = llapi_layout_comp_flags_get(layout, &flags);
1527 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1532 return LLAPI_LAYOUT_ITER_CONT;
1536 * mirror_create() - Create a mirrored file.
1537 * @fname: The file to be created.
1538 * @mirror_list: A linked list that stores the mirror arguments.
1540 * This function creates a mirrored file @fname with the mirror(s)
1541 * from @mirror_list.
1543 * Return: 0 on success or a negative error code on failure.
1545 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1547 struct llapi_layout *layout = NULL;
1548 struct mirror_args *cur_mirror = NULL;
1549 uint16_t mirror_count = 0;
1553 rc = mirror_create_sanity_check(NULL, mirror_list);
1557 cur_mirror = mirror_list;
1558 while (cur_mirror) {
1559 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1561 &cur_mirror->m_flags);
1564 fprintf(stderr, "%s: failed to set mirror flags\n",
1569 for (i = 0; i < cur_mirror->m_count; i++) {
1570 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1574 "error: %s: merge layout failed: %s\n",
1575 progname, strerror(errno));
1579 mirror_count += cur_mirror->m_count;
1580 cur_mirror = cur_mirror->m_next;
1584 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1588 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1591 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1592 progname, strerror(errno));
1596 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1604 llapi_layout_free(layout);
1609 * Compare files and check lease on @fd.
1611 * \retval bytes number of bytes are the same
1613 static ssize_t mirror_file_compare(int fd, int fdv)
1615 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1617 ssize_t bytes_done = 0;
1618 ssize_t bytes_read = 0;
1620 buf = malloc(buflen * 2);
1625 if (!llapi_lease_check(fd)) {
1626 bytes_done = -EBUSY;
1630 bytes_read = read(fd, buf, buflen);
1631 if (bytes_read <= 0)
1634 if (bytes_read != read(fdv, buf + buflen, buflen))
1638 * XXX: should compute the checksum on each buffer and then
1639 * compare checksum to avoid cache collision
1641 if (memcmp(buf, buf + buflen, bytes_read))
1644 bytes_done += bytes_read;
1652 static int mirror_extend_file(const char *fname, const char *victim_file,
1653 enum mirror_flags mirror_flags)
1658 struct stat stbuf_v;
1659 struct ll_ioc_lease *data = NULL;
1662 fd = open(fname, O_RDWR);
1664 error_loc = "open source file";
1669 fdv = open(victim_file, O_RDWR);
1671 error_loc = "open target file";
1676 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1677 error_loc = "stat source or target file";
1682 if (stbuf.st_dev != stbuf_v.st_dev) {
1683 error_loc = "stat source and target file";
1688 /* mirrors should be of the same size */
1689 if (stbuf.st_size != stbuf_v.st_size) {
1690 error_loc = "file sizes don't match";
1695 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1697 error_loc = "cannot get lease";
1701 if (!(mirror_flags & MF_NO_VERIFY)) {
1703 /* mirrors should have the same contents */
1704 ret = mirror_file_compare(fd, fdv);
1705 if (ret != stbuf.st_size) {
1706 error_loc = "file busy or contents don't match";
1707 rc = ret < 0 ? ret : -EINVAL;
1712 /* Get rid of caching pages from clients */
1713 rc = llapi_file_flush(fd);
1715 error_loc = "cannot get data version";
1719 rc = llapi_file_flush(fdv);
1721 error_loc = "cannot get data version";
1725 /* Make sure we keep original atime/mtime values */
1726 rc = migrate_copy_timestamps(fd, fdv);
1728 error_loc = "cannot copy timestamp";
1732 /* Atomically put lease, merge layouts and close. */
1733 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1735 error_loc = "memory allocation";
1738 data->lil_mode = LL_LEASE_UNLCK;
1739 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1740 data->lil_count = 1;
1741 data->lil_ids[0] = fdv;
1742 rc = llapi_lease_set(fd, data);
1744 error_loc = "cannot merge layout";
1746 } else if (rc == 0) {
1748 error_loc = "lost lease lock";
1761 (void) unlink(victim_file);
1763 fprintf(stderr, "error: %s: %s: %s: %s\n",
1764 progname, fname, error_loc, strerror(-rc));
1768 static int mirror_extend_layout(char *name, struct llapi_layout *m_layout,
1771 struct llapi_layout *f_layout = NULL;
1772 struct ll_ioc_lease *data = NULL;
1778 f_layout = llapi_layout_get_by_path(name, 0);
1780 fprintf(stderr, "%s: cannot get layout\n", progname);
1783 rc = llapi_layout_get_last_init_comp(f_layout);
1785 fprintf(stderr, "%s: cannot get the last init comp\n",
1789 rc = llapi_layout_mirror_inherit(f_layout, m_layout);
1792 "%s: cannot inherit from the last init comp\n",
1797 rc = migrate_open_files(name, 0, NULL, m_layout, &fd, &fdv);
1801 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1803 error_loc = "cannot get lease";
1807 rc = migrate_nonblock(fd, fdv);
1809 llapi_lease_release(fd);
1813 /* Atomically put lease, merge layouts and close. */
1814 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1816 error_loc = "memory allocation";
1819 data->lil_mode = LL_LEASE_UNLCK;
1820 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1821 data->lil_count = 1;
1822 data->lil_ids[0] = fdv;
1823 rc = llapi_lease_set(fd, data);
1825 error_loc = "cannot merge layout";
1827 } else if (rc == 0) {
1829 error_loc = "lost lease lock";
1842 fprintf(stderr, "error: %s: %s: %s: %s\n",
1843 progname, name, error_loc, strerror(-rc));
1847 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1848 enum mirror_flags mirror_flags)
1852 rc = mirror_create_sanity_check(fname, mirror_list);
1856 while (mirror_list) {
1857 if (mirror_list->m_file) {
1858 rc = mirror_extend_file(fname, mirror_list->m_file,
1861 __u32 mirror_count = mirror_list->m_count;
1863 while (mirror_count > 0) {
1864 rc = mirror_extend_layout(fname,
1865 mirror_list->m_layout,
1866 mirror_list->m_inherit);
1876 mirror_list = mirror_list->m_next;
1882 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1887 rc = llapi_layout_mirror_id_get(layout, &id);
1891 if ((__u16)id == *(__u16 *)cbdata)
1892 return LLAPI_LAYOUT_ITER_STOP;
1894 return LLAPI_LAYOUT_ITER_CONT;
1897 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1902 rc = llapi_layout_comp_id_get(layout, &id);
1906 if (id == *(__u32 *)cbdata)
1907 return LLAPI_LAYOUT_ITER_STOP;
1909 return LLAPI_LAYOUT_ITER_CONT;
1912 struct pool_to_id_cbdata {
1917 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
1919 char buf[LOV_MAXPOOLNAME + 1];
1920 struct pool_to_id_cbdata *d = (void *)cbdata;
1924 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
1927 if (strcmp(d->pool, buf))
1928 return LLAPI_LAYOUT_ITER_CONT;
1930 rc = llapi_layout_mirror_id_get(layout, &id);
1935 return LLAPI_LAYOUT_ITER_STOP;
1938 struct collect_ids_data {
1944 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
1946 struct collect_ids_data *cid = cbdata;
1950 rc = llapi_layout_mirror_id_get(layout, &id);
1954 if ((__u16)id != cid->cid_exclude) {
1957 for (i = 0; i < cid->cid_count; i++) {
1958 /* already collected the mirror id */
1959 if (id == cid->cid_ids[i])
1960 return LLAPI_LAYOUT_ITER_CONT;
1962 cid->cid_ids[cid->cid_count] = id;
1966 return LLAPI_LAYOUT_ITER_CONT;
1970 * last_non_stale_mirror() - Check if a mirror is the last non-stale mirror.
1971 * @mirror_id: Mirror id to be checked.
1972 * @layout: Mirror component list.
1974 * This function checks if a mirror with specified @mirror_id is the last
1975 * non-stale mirror of a layout @layout.
1977 * Return: true or false.
1980 bool last_non_stale_mirror(__u16 mirror_id, struct llapi_layout *layout)
1982 __u16 mirror_ids[128] = { 0 };
1983 struct collect_ids_data cid = { .cid_ids = mirror_ids,
1985 .cid_exclude = mirror_id, };
1988 llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
1990 for (i = 0; i < cid.cid_count; i++) {
1991 struct llapi_resync_comp comp_array[1024] = { { 0 } };
1994 comp_size = llapi_mirror_find_stale(layout, comp_array,
1995 ARRAY_SIZE(comp_array),
2004 static int mirror_split(const char *fname, __u32 id, const char *pool,
2005 enum mirror_flags mflags, const char *victim_file)
2007 struct llapi_layout *layout;
2008 char parent[PATH_MAX];
2009 char victim[PATH_MAX];
2010 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
2012 struct ll_ioc_lease *data;
2013 uint16_t mirror_count;
2019 /* check fname contains mirror with mirror_id/comp_id */
2020 layout = llapi_layout_get_by_path(fname, 0);
2023 "error %s: file '%s' couldn't get layout\n",
2028 rc = llapi_layout_sanity(layout, false, true);
2030 llapi_layout_sanity_perror(rc);
2034 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
2037 "error %s: file '%s' couldn't get mirror count\n",
2041 if (mirror_count < 2) {
2043 "error %s: file '%s' has %d component, cannot split\n",
2044 progname, fname, mirror_count);
2048 if (mflags & MF_COMP_POOL) {
2049 struct pool_to_id_cbdata data = { .pool = pool };
2051 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool,
2053 mirror_id = data.id;
2054 } else if (mflags & MF_COMP_ID) {
2055 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
2056 mirror_id = mirror_id_of(id);
2058 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
2062 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
2065 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
2066 if (mflags & MF_COMP_POOL) {
2068 "error %s: file '%s' does not contain mirror with pool '%s'\n",
2069 progname, fname, pool);
2071 } else if (mflags & MF_COMP_ID) {
2073 "error %s: file '%s' does not contain mirror with comp-id %u\n",
2074 progname, fname, id);
2078 "error %s: file '%s' does not contain mirror with id %u\n",
2079 progname, fname, id);
2084 fd = open(fname, O_RDWR);
2087 "error %s: open file '%s' failed: %s\n",
2088 progname, fname, strerror(errno));
2092 /* get victim file directory pathname */
2093 if (strlen(fname) > sizeof(parent) - 1) {
2094 fprintf(stderr, "error %s: file name of '%s' too long\n",
2099 strncpy(parent, fname, sizeof(parent));
2100 ptr = strrchr(parent, '/');
2102 if (!getcwd(parent, sizeof(parent))) {
2103 fprintf(stderr, "error %s: getcwd failed: %s\n",
2104 progname, strerror(errno));
2114 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
2116 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
2122 /* use a temp file to store the splitted layout */
2123 if (mflags & MF_DESTROY) {
2124 if (last_non_stale_mirror(mirror_id, layout)) {
2127 "%s: cannot destroy the last non-stale mirror of file '%s'\n",
2132 fdv = llapi_create_volatile_idx(parent, mdt_index,
2133 O_LOV_DELAY_CREATE);
2135 snprintf(victim, sizeof(victim), "%s.mirror~%u",
2137 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
2140 /* user specified victim file */
2141 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
2146 "error %s: create victim file failed: %s\n",
2147 progname, strerror(errno));
2151 /* get lease lock of fname */
2152 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
2155 "error %s: cannot get lease of file '%s': %d\n",
2156 progname, fname, rc);
2160 /* Atomatically put lease, split layouts and close. */
2161 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2167 data->lil_mode = LL_LEASE_UNLCK;
2168 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2169 data->lil_count = 2;
2170 data->lil_ids[0] = fdv;
2171 data->lil_ids[1] = mirror_id;
2172 rc = llapi_lease_set(fd, data);
2174 if (rc == 0) /* lost lease lock */
2177 "error %s: cannot split '%s': %s\n",
2178 progname, fname, strerror(-rc));
2189 llapi_layout_free(layout);
2194 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2195 __u16 *mirror_ids, int ids_nr);
2197 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2198 __u64 migration_flags,
2199 struct llapi_stripe_param *param,
2200 struct llapi_layout *layout)
2202 struct ll_ioc_lease *data = NULL;
2205 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2207 error_loc = "cannot get lease";
2211 /* Atomically put lease, merge layouts, resync and close. */
2212 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2214 error_loc = "memory allocation";
2217 data->lil_mode = LL_LEASE_UNLCK;
2218 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2219 data->lil_count = 1;
2220 data->lil_ids[0] = fdv;
2221 rc = llapi_lease_set(fd, data);
2223 error_loc = "cannot merge layout";
2225 } else if (rc == 0) {
2227 error_loc = "lost lease lock";
2233 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2235 error_loc = "cannot resync file";
2239 /* delete first mirror now */
2240 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2242 error_loc = "cannot delete old layout";
2250 fprintf(stderr, "error: %s: %s: %s: %s\n",
2251 progname, name, error_loc, strerror(-rc));
2252 else if (migration_flags & MIGRATION_VERBOSE)
2253 printf("%s\n", name);
2260 * Parse a string containing an target index list into an array of integers.
2262 * The input string contains a comma delimited list of individual
2263 * indices and ranges, for example "1,2-4,7". Add the indices into the
2264 * \a tgts array and remove duplicates.
2266 * \param[out] tgts array to store indices in
2267 * \param[in] size size of \a tgts array
2268 * \param[in] offset starting index in \a tgts
2269 * \param[in] arg string containing OST index list
2270 * \param[in/out] overstriping index list may contain duplicates
2272 * \retval positive number of indices in \a tgts
2273 * \retval -EINVAL unable to parse \a arg
2275 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2276 unsigned long long *pattern)
2280 int slots = size - offset;
2282 bool overstriped = false;
2288 end_of_loop = false;
2289 while (!end_of_loop) {
2290 int start_index = 0;
2293 char *endptr = NULL;
2297 ptr = strchrnul(arg, ',');
2299 end_of_loop = *ptr == '\0';
2302 start_index = strtol(arg, &endptr, 0);
2303 if (endptr == arg) /* no data at all */
2305 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2308 end_index = start_index;
2309 if (*endptr == '-') {
2310 end_index = strtol(endptr + 1, &endptr, 0);
2311 if (*endptr != '\0')
2313 if (end_index < start_index)
2317 for (i = start_index; i <= end_index && slots > 0; i++) {
2320 /* remove duplicate */
2321 for (j = 0; j < offset; j++) {
2322 if (tgts[j] == i && pattern &&
2323 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2325 else if (tgts[j] == i)
2331 if (j == offset) { /* check complete */
2337 if (slots == 0 && i < end_index)
2345 if (!end_of_loop && ptr)
2348 if (!overstriped && pattern)
2349 *pattern = LLAPI_LAYOUT_DEFAULT;
2351 return rc < 0 ? rc : nr;
2354 struct lfs_setstripe_args {
2355 unsigned long long lsa_comp_end;
2356 unsigned long long lsa_stripe_size;
2357 unsigned long long lsa_extension_size;
2358 long long lsa_stripe_count;
2359 long long lsa_stripe_off;
2360 __u32 lsa_comp_flags;
2361 __u32 lsa_comp_neg_flags;
2362 unsigned long long lsa_pattern;
2363 unsigned int lsa_mirror_count;
2365 bool lsa_first_comp;
2366 bool lsa_extension_comp;
2368 char *lsa_pool_name;
2371 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2373 unsigned int mirror_count = lsa->lsa_mirror_count;
2374 bool first_comp = lsa->lsa_first_comp;
2376 memset(lsa, 0, sizeof(*lsa));
2378 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2379 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2380 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2381 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2382 lsa->lsa_pool_name = NULL;
2384 lsa->lsa_mirror_count = mirror_count;
2385 lsa->lsa_first_comp = first_comp;
2389 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2390 * @lsa: Stripe options to be initialized and inherited.
2392 * This function initializes stripe options in @lsa and inherit
2393 * stripe_size, stripe_count and OST pool_name options.
2397 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2399 unsigned long long stripe_size;
2400 long long stripe_count;
2401 char *pool_name = NULL;
2403 stripe_size = lsa->lsa_stripe_size;
2404 stripe_count = lsa->lsa_stripe_count;
2405 pool_name = lsa->lsa_pool_name;
2407 setstripe_args_init(lsa);
2409 lsa->lsa_stripe_size = stripe_size;
2410 lsa->lsa_stripe_count = stripe_count;
2411 lsa->lsa_pool_name = pool_name;
2414 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2416 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2417 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2418 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2419 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2420 lsa->lsa_comp_end != 0);
2424 * comp_args_to_layout() - Create or extend a composite layout.
2425 * @composite: Pointer to the composite layout.
2426 * @lsa: Stripe options for the new component.
2428 * This function creates or extends a composite layout by adding a new
2429 * component with stripe options from @lsa.
2431 * Return: 0 on success or an error code on failure.
2433 static int comp_args_to_layout(struct llapi_layout **composite,
2434 struct lfs_setstripe_args *lsa,
2437 struct llapi_layout *layout = *composite;
2438 uint64_t prev_end = 0;
2444 layout = llapi_layout_alloc();
2446 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2451 *composite = layout;
2452 lsa->lsa_first_comp = true;
2457 * Get current component extent, current component
2458 * must be the tail component.
2460 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2462 fprintf(stderr, "Get comp extent failed. %s\n",
2467 if (lsa->lsa_first_comp) {
2469 rc = llapi_layout_add_first_comp(layout);
2471 rc = llapi_layout_comp_add(layout);
2474 fprintf(stderr, "Add component failed. %s\n",
2480 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2482 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2483 lsa->lsa_comp_flags, strerror(errno));
2488 uint64_t comp_end = lsa->lsa_comp_end;
2491 * The extendable component is 0-length, so it can be removed
2492 * if there is insufficient space to extend it.
2494 if (lsa->lsa_extension_comp)
2495 comp_end = prev_end;
2497 rc = llapi_layout_comp_extent_set(layout, prev_end,
2500 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2501 prev_end, comp_end, strerror(errno));
2505 /* reset lsa_first_comp */
2506 lsa->lsa_first_comp = false;
2508 /* Data-on-MDT component setting */
2509 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2511 * In case of Data-on-MDT patterns the only extra option
2512 * applicable is stripe size option.
2514 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2516 "Option 'stripe-count' can't be specified with Data-on-MDT component: %lld\n",
2517 lsa->lsa_stripe_count);
2521 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2523 "Option 'stripe-size' can't be specified with Data-on-MDT component: %llu\n",
2524 lsa->lsa_stripe_size);
2528 if (lsa->lsa_nr_tgts != 0) {
2530 "Option 'ost-list' can't be specified with Data-on-MDT component: '%i'\n",
2535 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2537 "Option 'stripe-offset' can't be specified with Data-on-MDT component: %lld\n",
2538 lsa->lsa_stripe_off);
2542 if (lsa->lsa_pool_name != 0) {
2544 "Option 'pool' can't be specified with Data-on-MDT component: '%s'\n",
2545 lsa->lsa_pool_name);
2550 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2552 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2557 /* Data-on-MDT component has always single stripe up to end */
2558 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2559 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2560 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2562 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2569 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2570 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2572 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2573 rc = llapi_layout_extension_size_set(layout, size);
2575 rc = llapi_layout_stripe_size_set(layout, size);
2578 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2579 size, strerror(errno));
2583 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2585 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2586 lsa->lsa_stripe_count, strerror(errno));
2590 if (lsa->lsa_pool_name) {
2591 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2593 fprintf(stderr, "Set pool name: %s failed. %s\n",
2594 lsa->lsa_pool_name, strerror(errno));
2598 rc = llapi_layout_pool_name_set(layout, "");
2600 fprintf(stderr, "Clear pool name failed: %s\n",
2606 if (lsa->lsa_nr_tgts > 0) {
2607 if (lsa->lsa_stripe_count > 0 &&
2608 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2609 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2610 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2611 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2612 lsa->lsa_stripe_count,
2617 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2618 rc = llapi_layout_ost_index_set(layout, i,
2623 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2624 lsa->lsa_stripe_off != -1) {
2625 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2628 fprintf(stderr, "Set ost index %d failed. %s\n",
2629 i, strerror(errno));
2633 /* Create the second, virtual component of extension space */
2634 if (lsa->lsa_extension_comp) {
2635 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2636 lsa->lsa_extension_comp = false;
2643 static int build_component(struct llapi_layout **layout,
2644 struct lfs_setstripe_args *lsa, bool set_extent)
2648 rc = comp_args_to_layout(layout, lsa, set_extent);
2652 if (lsa->lsa_mirror_count > 0) {
2653 rc = llapi_layout_mirror_count_set(*layout,
2654 lsa->lsa_mirror_count);
2658 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2661 lsa->lsa_mirror_count = 0;
2667 static int build_prev_component(struct llapi_layout **layout,
2668 struct lfs_setstripe_args *prev,
2669 struct lfs_setstripe_args *lsa,
2672 int extension = lsa->lsa_comp_flags & LCME_FL_EXTENSION;
2675 if (prev->lsa_stripe_size) {
2677 prev->lsa_comp_end = lsa->lsa_comp_end;
2678 prev->lsa_extension_size = lsa->lsa_extension_size;
2679 prev->lsa_extension_comp = true;
2682 rc = build_component(layout, prev, true);
2688 * Copy lsa to previous lsa;
2689 * if this is an extension component, make the previous invalid;
2692 prev->lsa_stripe_size = 0;
2699 static int build_layout_from_yaml_node(struct cYAML *node,
2700 struct llapi_layout **layout,
2701 struct lfs_setstripe_args *lsa,
2702 struct lfs_setstripe_args *prevp)
2704 struct lfs_setstripe_args prev = { 0 };
2705 __u32 *osts = lsa->lsa_tgts;
2713 string = node->cy_string;
2715 if (node->cy_type == CYAML_TYPE_OBJECT) {
2716 /* go deep to sub blocks */
2717 if (string && !strncmp(string, "component", 9) &&
2718 strncmp(string, "component0", 10) &&
2719 strncmp(string, "components", 10)) {
2720 rc = build_prev_component(layout, prevp, lsa,
2725 /* initialize lsa. */
2726 setstripe_args_init(lsa);
2727 lsa->lsa_first_comp = false;
2728 lsa->lsa_tgts = osts;
2731 rc = build_layout_from_yaml_node(node->cy_child, layout,
2736 if (!node->cy_string)
2739 /* skip leading lmm_ if present, to simplify parsing */
2740 if (strncmp(string, "lmm_", 4) == 0)
2743 if (node->cy_type == CYAML_TYPE_STRING) {
2744 if (!strcmp(string, "lcme_extent.e_end")) {
2745 if (!strcmp(node->cy_valuestring, "EOF") ||
2746 !strcmp(node->cy_valuestring, "eof"))
2747 lsa->lsa_comp_end = LUSTRE_EOF;
2748 } else if (!strcmp(string, "pool")) {
2749 lsa->lsa_pool_name = node->cy_valuestring;
2750 } else if (!strcmp(string, "pattern")) {
2751 if (!strcmp(node->cy_valuestring, "mdt"))
2752 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2753 if (!strcmp(node->cy_valuestring,
2754 "raid0,overstriped"))
2756 LLAPI_LAYOUT_OVERSTRIPING;
2757 } else if (!strcmp(string, "lcme_flags")) {
2758 rc = comp_str2flags(node->cy_valuestring,
2759 &lsa->lsa_comp_flags,
2760 &lsa->lsa_comp_neg_flags);
2764 * Only template flags have meaning in
2765 * the layout for a new file
2767 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2769 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2770 if (!strcmp(string, "lcm_mirror_count")) {
2771 lsa->lsa_mirror_count = node->cy_valueint;
2772 } else if (!strcmp(string, "lcme_extent.e_start")) {
2773 if (node->cy_valueint == 0)
2774 lsa->lsa_first_comp = true;
2775 } else if (!strcmp(string, "lcme_extent.e_end")) {
2776 if (node->cy_valueint == -1)
2777 lsa->lsa_comp_end = LUSTRE_EOF;
2779 lsa->lsa_comp_end = node->cy_valueint;
2780 } else if (!strcmp(string, "stripe_count")) {
2781 lsa->lsa_stripe_count = node->cy_valueint;
2782 } else if (!strcmp(string, "stripe_size")) {
2783 lsa->lsa_stripe_size = node->cy_valueint;
2784 } else if (!strcmp(string, "extension_size")) {
2785 lsa->lsa_extension_size = node->cy_valueint;
2786 lsa->lsa_extension_comp = true;
2787 } else if (!strcmp(string, "stripe_offset")) {
2788 lsa->lsa_stripe_off = node->cy_valueint;
2789 } else if (!strcmp(string, "l_ost_idx")) {
2790 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2795 node = node->cy_next;
2798 if (prevp == &prev) {
2799 rc = build_prev_component(layout, prevp, lsa, true);
2803 if (!(lsa->lsa_comp_flags & LCME_FL_EXTENSION))
2804 rc = build_component(layout, lsa, *layout != NULL);
2810 static int lfs_comp_create_from_yaml(char *template,
2811 struct llapi_layout **layout,
2812 struct lfs_setstripe_args *lsa,
2815 struct cYAML *tree = NULL, *err_rc = NULL;
2818 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2820 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2821 progname, template);
2822 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2823 "can't parse", &err_rc);
2824 cYAML_print_tree2file(stderr, err_rc);
2825 cYAML_free_tree(err_rc);
2830 /* initialize lsa for plain file */
2831 setstripe_args_init(lsa);
2832 lsa->lsa_tgts = osts;
2834 rc = build_layout_from_yaml_node(tree, layout, lsa, NULL);
2836 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2837 progname, template);
2840 /* clean clean lsa */
2841 setstripe_args_init(lsa);
2845 cYAML_free_tree(tree);
2850 * Get the extension size from the next (SEL) component and extend the
2851 * current component on it. The start of the next component is to be
2854 * \param[in] layout the current layout
2855 * \param[in] start the start of the current component
2856 * \param[in,out] end the end of the current component
2857 * \param[in] offset the offset to adjust the end position to instead of
2860 * \retval 0 - extended successfully
2861 * \retval < 0 - error
2863 static int layout_extend_comp(struct llapi_layout *layout,
2864 uint64_t start, uint64_t *end,
2867 uint64_t size, next_start, next_end;
2870 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
2873 "%s setstripe: cannot move component cursor: %s\n",
2874 progname, strerror(errno));
2879 * Even if the @size will not be used below, this will fail if
2880 * this is not a SEL component - a good confirmation we are
2881 * working on right components.
2883 rc = llapi_layout_extension_size_get(layout, &size);
2886 "%s setstripe: cannot get component ext size: %s\n",
2887 progname, strerror(errno));
2891 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
2893 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2894 progname, strerror(errno));
2898 next_start += offset ?: size;
2899 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
2901 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2902 progname, strerror(errno));
2906 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
2909 "%s setstripe: cannot move component cursor: %s\n",
2910 progname, strerror(errno));
2914 *end += offset ?: size;
2915 rc = llapi_layout_comp_extent_set(layout, start, *end);
2917 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2918 progname, strerror(errno));
2926 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
2927 * end of the last component in the existing file, and adjust the
2928 * first extent start of the components to be added accordingly.
2930 * In the create mode, we need to check if the first component is an extendable
2931 * SEL component and extend its length to the extension size (first component
2932 * of the PFL file is initialised at the create time, cannot be 0-lenght.
2934 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
2937 struct llapi_layout *head;
2938 uint64_t start = 0, prev_end = 0;
2942 if (!layout || !(comp_add || llapi_layout_is_composite(layout)))
2947 head = llapi_layout_get_by_path(fname, 0);
2950 "%s setstripe: cannot read layout from '%s': %s\n",
2951 progname, fname, strerror(errno));
2953 } else if (errno == ENODATA) {
2955 * file without LOVEA, this component-add will be turned
2956 * into a component-create.
2958 llapi_layout_free(head);
2962 * the new layout will be added to an empty one, it
2963 * still needs to be adjusted below
2967 } else if (!llapi_layout_is_composite(head)) {
2969 "%s setstripe: '%s' not a composite file\n",
2971 llapi_layout_free(head);
2975 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2978 "%s setstripe: cannot get prev extent: %s\n",
2979 progname, strerror(errno));
2980 llapi_layout_free(head);
2984 llapi_layout_free(head);
2988 /* Make sure we use the first component of the layout to be added. */
2989 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2992 "%s setstripe: cannot move component cursor: %s\n",
2993 progname, strerror(errno));
2997 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2999 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
3000 progname, strerror(errno));
3004 if (start == 0 && end == 0) {
3005 rc = layout_extend_comp(layout, start, &end,
3006 comp_add ? prev_end : 0);
3011 if (start > prev_end || end < prev_end) {
3013 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
3014 progname, start, end, prev_end);
3018 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
3021 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
3022 progname, prev_end, end, strerror(errno));
3029 static int mirror_adjust_first_extents(struct mirror_args *list)
3037 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
3040 list = list->m_next;
3046 static inline bool arg_is_eof(char *arg)
3048 return !strncmp(arg, "-1", strlen("-1")) ||
3049 !strncmp(arg, "EOF", strlen("EOF")) ||
3050 !strncmp(arg, "eof", strlen("eof"));
3054 * lfs_mirror_alloc() - Allocate a mirror argument structure.
3056 * Return: Valid mirror_args pointer on success and
3057 * NULL if memory allocation fails.
3059 static struct mirror_args *lfs_mirror_alloc(void)
3061 struct mirror_args *mirror = NULL;
3064 mirror = calloc(1, sizeof(*mirror));
3066 mirror->m_inherit = false;
3077 * lfs_mirror_free() - Free memory allocated for a mirror argument
3079 * @mirror: Previously allocated mirror argument structure by
3080 * lfs_mirror_alloc().
3082 * Free memory allocated for @mirror.
3086 static void lfs_mirror_free(struct mirror_args *mirror)
3088 if (mirror->m_layout)
3089 llapi_layout_free(mirror->m_layout);
3094 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
3095 * @mirror_list: Previously allocated mirror list.
3097 * Free memory allocated for @mirror_list.
3101 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
3103 struct mirror_args *next_mirror = NULL;
3105 while (mirror_list) {
3106 next_mirror = mirror_list->m_next;
3107 lfs_mirror_free(mirror_list);
3108 mirror_list = next_mirror;
3120 LFS_COMP_NO_VERIFY_OPT,
3122 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
3124 LFS_MIRROR_STATE_OPT,
3126 LFS_MIRROR_INDEX_OPT,
3127 LFS_LAYOUT_FOREIGN_OPT,
3133 static int lfs_setstripe_internal(int argc, char **argv,
3134 enum setstripe_origin opc)
3136 struct lfs_setstripe_args lsa = { 0 };
3137 struct llapi_stripe_param *param = NULL;
3138 struct find_param migrate_mdt_param = {
3148 unsigned long long size_units = 1;
3149 bool migrate_mode = false;
3150 bool migrate_mdt_mode = false;
3151 bool setstripe_mode = false;
3152 bool migration_block = false;
3153 __u64 migration_flags = 0;
3154 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
3155 int comp_del = 0, comp_set = 0;
3158 struct llapi_layout *layout = NULL;
3159 struct llapi_layout **lpp = &layout;
3160 bool mirror_mode = false;
3161 bool has_m_file = false;
3162 __u32 mirror_count = 0;
3163 enum mirror_flags mirror_flags = 0;
3164 struct mirror_args *mirror_list = NULL;
3165 struct mirror_args *new_mirror = NULL;
3166 struct mirror_args *last_mirror = NULL;
3167 __u16 mirror_id = 0;
3169 bool from_yaml = false;
3170 bool from_copy = false;
3171 char *template = NULL;
3172 bool foreign_mode = false;
3174 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
3175 char *mode_opt = NULL;
3176 mode_t previous_umask = 0;
3177 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
3179 struct option long_opts[] = {
3180 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
3181 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3182 /* --block is only valid in migrate mode */
3183 { .val = 'b', .name = "block", .has_arg = no_argument },
3184 /* find { .val = 'B', .name = "btime", .has_arg = required_argument }*/
3185 { .val = LFS_COMP_ADD_OPT,
3186 .name = "comp-add", .has_arg = no_argument },
3187 { .val = LFS_COMP_ADD_OPT,
3188 .name = "component-add", .has_arg = no_argument },
3189 { .val = LFS_COMP_DEL_OPT,
3190 .name = "comp-del", .has_arg = no_argument },
3191 { .val = LFS_COMP_DEL_OPT,
3192 .name = "component-del", .has_arg = no_argument },
3193 { .val = LFS_COMP_FLAGS_OPT,
3194 .name = "comp-flags", .has_arg = required_argument },
3195 { .val = LFS_COMP_FLAGS_OPT,
3196 .name = "component-flags",
3197 .has_arg = required_argument },
3198 { .val = LFS_COMP_SET_OPT,
3199 .name = "comp-set", .has_arg = no_argument },
3200 { .val = LFS_COMP_SET_OPT,
3201 .name = "component-set",
3202 .has_arg = no_argument},
3203 { .val = LFS_COMP_NO_VERIFY_OPT,
3204 .name = "no-verify", .has_arg = no_argument},
3205 { .val = LFS_LAYOUT_FLAGS_OPT,
3206 .name = "flags", .has_arg = required_argument},
3207 { .val = LFS_LAYOUT_FOREIGN_OPT,
3208 .name = "foreign", .has_arg = optional_argument},
3209 { .val = LFS_MIRROR_ID_OPT,
3210 .name = "mirror-id", .has_arg = required_argument},
3211 { .val = LFS_MODE_OPT,
3212 .name = "mode", .has_arg = required_argument},
3213 { .val = LFS_LAYOUT_COPY,
3214 .name = "copy", .has_arg = required_argument},
3215 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
3216 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
3217 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
3218 { .val = 'C', .name = "overstripe-count",
3219 .has_arg = required_argument},
3220 { .val = 'd', .name = "delete", .has_arg = no_argument},
3221 { .val = 'd', .name = "destroy", .has_arg = no_argument},
3222 /* --non-direct is only valid in migrate mode */
3223 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
3224 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
3225 { .val = 'E', .name = "component-end",
3226 .has_arg = required_argument},
3227 { .val = 'f', .name = "file", .has_arg = required_argument },
3228 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3229 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
3230 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3231 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
3232 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
3233 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
3234 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
3235 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
3236 { .val = 'I', .name = "component-id", .has_arg = required_argument},
3237 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
3238 { .val = 'L', .name = "layout", .has_arg = required_argument },
3239 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3240 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3241 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3242 /* --non-block is only valid in migrate mode */
3243 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3244 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3245 { .val = 'o', .name = "ost", .has_arg = required_argument },
3246 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3247 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3248 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3250 { .val = 'p', .name = "pool", .has_arg = required_argument },
3251 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3252 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3253 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3254 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3255 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3256 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3257 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3258 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3259 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3260 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3261 /* --verbose is only valid in migrate mode */
3262 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3263 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3264 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3265 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3266 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3269 setstripe_args_init(&lsa);
3271 migrate_mode = (opc == SO_MIGRATE);
3272 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3273 setstripe_mode = (opc == SO_SETSTRIPE);
3274 if (opc == SO_MIRROR_DELETE) {
3276 mirror_flags = MF_DESTROY;
3279 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3281 while ((c = getopt_long(argc, argv,
3282 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3283 long_opts, NULL)) >= 0) {
3289 case LFS_COMP_ADD_OPT:
3292 case LFS_COMP_DEL_OPT:
3295 case LFS_COMP_FLAGS_OPT:
3296 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3297 &lsa.lsa_comp_neg_flags);
3300 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3302 "%s: inverted flags are not supported\n",
3307 case LFS_COMP_SET_OPT:
3310 case LFS_COMP_NO_VERIFY_OPT:
3311 mirror_flags |= MF_NO_VERIFY;
3313 case LFS_MIRROR_ID_OPT:
3314 mirror_id = strtoul(optarg, &end, 0);
3315 if (*end != '\0' || mirror_id == 0) {
3317 "%s %s: invalid mirror ID '%s'\n",
3318 progname, argv[0], optarg);
3322 case LFS_LAYOUT_FLAGS_OPT: {
3325 /* check for numeric flags (foreign and mirror cases) */
3326 if (setstripe_mode && !mirror_mode && !last_mirror) {
3327 flags = strtoul(optarg, &end, 16);
3330 "%s %s: bad flags '%s'\n",
3331 progname, argv[0], optarg);
3337 if (!mirror_mode || !last_mirror) {
3339 "error: %s: --flags must be specified with --mirror-count|-N option\n",
3344 result = comp_str2flags(optarg, &last_mirror->m_flags,
3351 "%s: inverted flags are not supported\n",
3356 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3358 "%s: unsupported mirror flags: %s\n",
3365 case LFS_LAYOUT_FOREIGN_OPT:
3367 /* check pure numeric */
3368 type = strtoul(optarg, &end, 0);
3371 type = check_foreign_type_name(optarg);
3372 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3374 "%s %s: unrecognized foreign type '%s'\n",
3381 foreign_mode = true;
3386 mode = strtoul(mode_opt, &end, 8);
3389 "%s %s: bad mode '%s'\n",
3390 progname, argv[0], mode_opt);
3393 previous_umask = umask(0);
3396 case LFS_LAYOUT_COPY:
3401 if (!migrate_mode) {
3403 "%s %s: -b|--block valid only for migrate command\n",
3407 migration_block = true;
3410 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3412 "%s %s: -C|--overstripe-count incompatible with DoM layout\n",
3416 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3419 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3422 "%s %s: invalid stripe count '%s'\n",
3423 progname, argv[0], optarg);
3427 if (lsa.lsa_stripe_count == -1)
3428 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3431 /* delete the default striping pattern */
3433 if (opc == SO_MIRROR_SPLIT) {
3436 "%s %s: -d cannot used with -f\n",
3440 mirror_flags |= MF_DESTROY;
3444 if (!migrate_mode) {
3446 "%s %s: -D|--non-direct is valid only for migrate command\n",
3450 migration_flags |= MIGRATION_NONDIRECT;
3453 if (lsa.lsa_comp_end != 0) {
3454 result = comp_args_to_layout(lpp, &lsa, true);
3456 fprintf(stderr, "%s: invalid layout\n",
3461 setstripe_args_init_inherit(&lsa);
3464 if (arg_is_eof(optarg)) {
3465 lsa.lsa_comp_end = LUSTRE_EOF;
3467 result = llapi_parse_size(optarg,
3472 "%s %s: invalid component end '%s'\n",
3473 progname, argv[0], optarg);
3479 if (!migrate_mode) {
3481 "--mdt-hash is valid only for migrate command\n");
3485 lsa.lsa_pattern = check_hashtype(optarg);
3486 if (lsa.lsa_pattern == 0) {
3488 "%s %s: bad stripe hash type '%s'\n",
3489 progname, argv[0], optarg);
3494 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3497 "%s %s: invalid stripe offset '%s'\n",
3498 progname, argv[0], optarg);
3501 if (lsa.lsa_stripe_off == -1)
3502 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3505 comp_id = strtoul(optarg, &end, 0);
3506 if (*end != '\0' || comp_id == 0 ||
3507 comp_id > LCME_ID_MAX) {
3509 "%s %s: invalid component ID '%s'\n",
3510 progname, argv[0], optarg);
3515 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3517 "error: %s: invalid option: %s\n",
3518 progname, argv[optopt + 1]);
3521 if (opc == SO_MIRROR_EXTEND) {
3524 "error: %s: '-N' must exist in front of '%s'\n",
3525 progname, argv[optopt + 1]);
3528 last_mirror->m_file = optarg;
3529 last_mirror->m_count = 1;
3533 mirror_list = lfs_mirror_alloc();
3534 mirror_list->m_file = optarg;
3539 if (strcmp(argv[optind - 1], "mdt") == 0) {
3540 /* Can be only the first component */
3544 "error: 'mdt' layout can be only the first one\n");
3547 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3550 "error: 'mdt' layout size is too big\n");
3553 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3554 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3557 "error: layout '%s' is unknown, supported layouts are: 'mdt', 'raid0'\n",
3563 if (!migrate_mode) {
3565 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3569 migrate_mdt_mode = true;
3570 lsa.lsa_nr_tgts = parse_targets(tgts,
3571 sizeof(tgts) / sizeof(__u32),
3572 lsa.lsa_nr_tgts, optarg, NULL);
3573 if (lsa.lsa_nr_tgts < 0) {
3575 "%s %s: invalid MDT target(s) '%s'\n",
3576 progname, argv[0], optarg);
3580 lsa.lsa_tgts = tgts;
3581 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3582 lsa.lsa_stripe_off = tgts[0];
3585 if (!migrate_mode) {
3587 "%s %s: -n|--non-block valid only for migrate command\n",
3591 migration_flags |= MIGRATION_NONBLOCK;
3594 if (opc == SO_SETSTRIPE) {
3595 opc = SO_MIRROR_CREATE;
3600 mirror_count = strtoul(optarg, &end, 0);
3601 if (*end != '\0' || mirror_count == 0) {
3603 "error: %s: bad mirror count: %s\n",
3610 new_mirror = lfs_mirror_alloc();
3611 new_mirror->m_count = mirror_count;
3614 mirror_list = new_mirror;
3617 /* wrap up last mirror */
3618 if (!setstripe_args_specified(&lsa))
3619 last_mirror->m_inherit = true;
3620 if (lsa.lsa_comp_end == 0)
3621 lsa.lsa_comp_end = LUSTRE_EOF;
3623 result = comp_args_to_layout(lpp, &lsa, true);
3625 lfs_mirror_free(new_mirror);
3629 setstripe_args_init_inherit(&lsa);
3631 last_mirror->m_next = new_mirror;
3634 last_mirror = new_mirror;
3635 lpp = &last_mirror->m_layout;
3638 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3639 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3641 "warning: '--ost-list' is deprecated, use '--ost' instead\n");
3643 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3645 "%s %s: -o|--ost incompatible with DoM layout\n",
3650 * -o allows overstriping, and must note it because
3651 * parse_targets is shared with MDT striping, which
3652 * does not allow duplicates
3654 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3655 lsa.lsa_nr_tgts = parse_targets(tgts,
3656 sizeof(tgts) / sizeof(__u32),
3657 lsa.lsa_nr_tgts, optarg,
3659 if (lsa.lsa_nr_tgts < 0) {
3661 "%s %s: invalid OST target(s) '%s'\n",
3662 progname, argv[0], optarg);
3666 lsa.lsa_tgts = tgts;
3667 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3668 lsa.lsa_stripe_off = tgts[0];
3673 lsa.lsa_pool_name = optarg;
3675 if (strlen(lsa.lsa_pool_name) == 0 ||
3676 strncmp(lsa.lsa_pool_name, "none",
3677 LOV_MAXPOOLNAME) == 0)
3678 lsa.lsa_pool_name = NULL;
3681 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3685 "%s %s: invalid stripe size '%s'\n",
3686 progname, argv[0], optarg);
3691 if (!migrate_mode) {
3693 "%s %s: -v|--verbose valid only for migrate command\n",
3697 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3698 migration_flags = MIGRATION_VERBOSE;
3708 result = llapi_parse_size(optarg,
3709 &lsa.lsa_extension_size,
3713 "%s %s: invalid extension size '%s'\n",
3714 progname, argv[0], optarg);
3718 lsa.lsa_extension_comp = true;
3721 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3722 progname, argv[0], argv[optind - 1]);
3727 fname = argv[optind];
3729 if (optind == argc) {
3730 fprintf(stderr, "%s %s: FILE must be specified\n",
3735 /* lfs migrate $filename should keep the file's layout by default */
3736 if (migrate_mode && !setstripe_args_specified(&lsa) && !layout &&
3740 if (xattr && !foreign_mode) {
3742 * only print a warning as this is harmless and will be ignored
3745 "%s %s: xattr has been specified for non-foreign layout\n",
3747 } else if (foreign_mode && !xattr) {
3749 "%s %s: xattr must be provided in foreign mode\n",
3754 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3755 comp_set || comp_id || delete || from_copy ||
3756 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3759 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3764 if (mirror_mode && mirror_count == 0) {
3766 "error: %s: --mirror-count|-N option is required\n",
3773 if (!setstripe_args_specified(&lsa))
3774 last_mirror->m_inherit = true;
3775 if (lsa.lsa_comp_end == 0)
3776 lsa.lsa_comp_end = LUSTRE_EOF;
3779 if (lsa.lsa_comp_end != 0) {
3780 result = comp_args_to_layout(lpp, &lsa, true);
3782 fprintf(stderr, "error: %s: invalid layout\n",
3789 if (mirror_flags & MF_NO_VERIFY) {
3790 if (opc != SO_MIRROR_EXTEND) {
3792 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3796 } else if (!has_m_file) {
3798 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3805 if (comp_set && !comp_id) {
3807 "%s %s: --component-set doesn't have component-id set\n",
3812 if ((delete + comp_set + comp_del + comp_add) > 1) {
3814 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3819 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3820 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3822 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3827 if ((comp_set || comp_del) &&
3828 (setstripe_args_specified(&lsa) || layout != NULL)) {
3830 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3835 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3837 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3842 if (comp_add || comp_del) {
3845 result = lstat(fname, &st);
3846 if (result == 0 && S_ISDIR(st.st_mode)) {
3848 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3855 "error: %s: can't use --component-add or --component-del for mirror operation\n",
3864 "%s %s: option -E must be specified with --component-add\n",
3870 if (from_yaml && from_copy) {
3872 "%s: can't specify --yaml and --copy together\n",
3877 if ((from_yaml || from_copy) &&
3878 (setstripe_args_specified(&lsa) || layout != NULL)) {
3880 "error: %s: can't specify --yaml or --copy with -c, -S, -i, -o, -p or -E options.\n",
3885 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3887 "%s %s: options --non-block and --block are mutually exclusive\n",
3892 if (!comp_del && !comp_set && opc != SO_MIRROR_SPLIT &&
3893 opc != SO_MIRROR_DELETE && comp_id != 0) {
3895 "%s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3900 if (migrate_mdt_mode) {
3901 struct lmv_user_md *lmu;
3903 /* initialize migrate mdt parameters */
3904 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3905 LMV_USER_MAGIC_SPECIFIC));
3908 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3909 progname, argv[0], strerror(ENOMEM));
3913 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3914 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3915 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3917 "%s %s: migrate should specify MDT index\n",
3922 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3923 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3924 lmu->lum_hash_type = lsa.lsa_pattern;
3926 lmu->lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
3927 if (lsa.lsa_pool_name) {
3928 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3929 sizeof(lmu->lum_pool_name) - 1);
3930 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3932 if (lsa.lsa_nr_tgts > 1) {
3935 if (lsa.lsa_stripe_count > 0 &&
3936 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3937 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3939 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3940 progname, lsa.lsa_stripe_count,
3946 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3947 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3948 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3949 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3951 lmu->lum_magic = LMV_USER_MAGIC;
3954 migrate_mdt_param.fp_lmv_md = lmu;
3955 migrate_mdt_param.fp_migrate = 1;
3956 } else if (!layout) {
3957 /* initialize stripe parameters */
3958 param = calloc(1, offsetof(typeof(*param),
3959 lsp_osts[lsa.lsa_nr_tgts]));
3962 "%s %s: cannot allocate memory for parameters: %s\n",
3963 progname, argv[0], strerror(ENOMEM));
3968 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3969 param->lsp_stripe_size = lsa.lsa_stripe_size;
3970 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3971 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3972 param->lsp_stripe_count = -1;
3974 param->lsp_stripe_count = lsa.lsa_stripe_count;
3976 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3977 param->lsp_stripe_offset = -1;
3979 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3980 param->lsp_stripe_pattern =
3981 llapi_pattern_to_lov(lsa.lsa_pattern);
3982 if (param->lsp_stripe_pattern == EINVAL) {
3983 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3988 param->lsp_pool = lsa.lsa_pool_name;
3989 param->lsp_is_specific = false;
3990 if (lsa.lsa_nr_tgts > 0) {
3991 if (lsa.lsa_stripe_count > 0 &&
3992 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3993 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3994 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3996 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3997 argv[0], lsa.lsa_stripe_count,
4003 param->lsp_is_specific = true;
4004 param->lsp_stripe_count = lsa.lsa_nr_tgts;
4005 memcpy(param->lsp_osts, tgts,
4006 sizeof(*tgts) * lsa.lsa_nr_tgts);
4011 /* generate a layout from a YAML template */
4012 result = lfs_comp_create_from_yaml(template, &layout,
4016 "error: %s: can't create composite layout from template file %s\n",
4022 if (layout != NULL || mirror_list != NULL) {
4024 result = mirror_adjust_first_extents(mirror_list);
4026 result = layout_adjust_first_extent(fname, layout,
4028 if (result == -ENODATA)
4030 else if (result != 0) {
4031 fprintf(stderr, "error: %s: invalid layout\n",
4037 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
4039 layout = llapi_layout_get_by_path(template ?: fname, 0);
4042 "%s: can't create composite layout from file %s.\n",
4043 progname, template ?: fname);
4048 if (migrate_mdt_mode) {
4049 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
4050 } else if (migrate_mode) {
4051 result = lfs_migrate(fname, migration_flags, param,
4053 } else if (comp_set != 0) {
4054 result = lfs_component_set(fname, comp_id,
4056 lsa.lsa_comp_neg_flags);
4057 } else if (comp_del != 0) {
4058 result = lfs_component_del(fname, comp_id,
4060 lsa.lsa_comp_neg_flags);
4061 } else if (comp_add != 0) {
4062 result = lfs_component_add(fname, layout);
4063 } else if (opc == SO_MIRROR_CREATE) {
4064 result = mirror_create(fname, mirror_list);
4065 } else if (opc == SO_MIRROR_EXTEND) {
4066 result = mirror_extend(fname, mirror_list,
4068 } else if (opc == SO_MIRROR_SPLIT || opc == SO_MIRROR_DELETE) {
4069 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
4071 "%s: no mirror specified to delete from '%s'\n",
4075 if (lsa.lsa_pool_name)
4076 mirror_flags |= MF_COMP_POOL;
4077 else if (mirror_id != 0)
4078 comp_id = mirror_id;
4080 mirror_flags |= MF_COMP_ID;
4081 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
4083 has_m_file ? mirror_list->m_file :
4085 } else if (layout) {
4086 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
4092 } else if (foreign_mode) {
4093 result = llapi_file_create_foreign(fname, mode, type,
4100 result = llapi_file_open_param(fname,
4109 /* Save the first error encountered. */
4117 umask(previous_umask);
4120 free(migrate_mdt_param.fp_lmv_md);
4121 llapi_layout_free(layout);
4122 lfs_mirror_list_free(mirror_list);
4127 llapi_layout_free(layout);
4128 lfs_mirror_list_free(mirror_list);
4132 static int lfs_poollist(int argc, char **argv)
4137 return llapi_poollist(argv[1]);
4140 #define FP_DEFAULT_TIME_MARGIN (24 * 60 * 60)
4141 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
4146 char *endptr = "AD";
4151 else if (str[0] == '-')
4157 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
4158 long long val = strtoll(timebuf, &endptr, 0);
4163 unit *= 52; /* 52 weeks + 1 day below */
4164 case 'w': /* fallthrough */
4166 if (param->fp_time_margin == FP_DEFAULT_TIME_MARGIN)
4167 param->fp_time_margin *= (1 + unit / 52);
4168 unit += (*endptr == 'y'); /* +1 day for 365 days/year */
4169 case '\0': /* days are default unit if none used */
4170 case 'd': /* fallthrough */
4172 case 'h': /* fallthrough */
4174 case 'm': /* fallthrough */
4176 case 's': /* fallthrough */
4178 /* don't need to multiply by 1 for seconds */
4181 "%s find: bad time string '%s': %s\n",
4182 progname, timebuf, strerror(EINVAL));
4186 if (param->fp_time_margin == 0 ||
4187 (*endptr && unit < param->fp_time_margin))
4188 param->fp_time_margin = unit;
4195 fprintf(stderr, "%s find: bad time '%s': too large\n",
4205 static int str2quotaid(__u32 *id, const char *arg)
4207 unsigned long int projid_tmp = 0;
4208 char *endptr = NULL;
4210 projid_tmp = strtoul(arg, &endptr, 10);
4211 if (*endptr != '\0')
4213 if (projid_tmp > UINT32_MAX ||
4214 (projid_tmp == ULONG_MAX && (errno == ERANGE)))
4221 static int name2uid(unsigned int *id, const char *name)
4223 struct passwd *passwd;
4225 passwd = getpwnam(name);
4228 *id = passwd->pw_uid;
4233 static int name2gid(unsigned int *id, const char *name)
4235 struct group *group;
4237 group = getgrnam(name);
4240 *id = group->gr_gid;
4245 static inline int name2projid(unsigned int *id, const char *name)
4250 static int uid2name(char **name, unsigned int id)
4252 struct passwd *passwd;
4254 passwd = getpwuid(id);
4257 *name = passwd->pw_name;
4262 static inline int gid2name(char **name, unsigned int id)
4264 struct group *group;
4266 group = getgrgid(id);
4269 *name = group->gr_name;
4274 static int name2layout(__u32 *layout, char *name)
4276 char *ptr, *layout_name;
4279 for (ptr = name; ; ptr = NULL) {
4280 layout_name = strtok(ptr, ",");
4283 if (strcmp(layout_name, "released") == 0)
4284 *layout |= LOV_PATTERN_F_RELEASED;
4285 else if (strcmp(layout_name, "raid0") == 0)
4286 *layout |= LOV_PATTERN_RAID0;
4287 else if (strcmp(layout_name, "mdt") == 0)
4288 *layout |= LOV_PATTERN_MDT;
4289 else if (strcmp(layout_name, "overstriping") == 0)
4290 *layout |= LOV_PATTERN_OVERSTRIPING;
4297 static int lfs_find(int argc, char **argv)
4302 struct find_param param = {
4305 .fp_time_margin = FP_DEFAULT_TIME_MARGIN,
4307 struct option long_opts[] = {
4308 { .val = 'A', .name = "atime", .has_arg = required_argument },
4309 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4310 { .val = 'B', .name = "btime", .has_arg = required_argument },
4311 { .val = 'B', .name = "Btime", .has_arg = required_argument },
4312 { .val = LFS_COMP_COUNT_OPT,
4313 .name = "comp-count", .has_arg = required_argument },
4314 { .val = LFS_COMP_COUNT_OPT,
4315 .name = "component-count",
4316 .has_arg = required_argument },
4317 { .val = LFS_COMP_FLAGS_OPT,
4318 .name = "comp-flags", .has_arg = required_argument },
4319 { .val = LFS_COMP_FLAGS_OPT,
4320 .name = "component-flags",
4321 .has_arg = required_argument },
4322 { .val = LFS_COMP_START_OPT,
4323 .name = "comp-start", .has_arg = required_argument },
4324 { .val = LFS_COMP_START_OPT,
4325 .name = "component-start",
4326 .has_arg = required_argument },
4327 { .val = LFS_MIRROR_STATE_OPT,
4328 .name = "mirror-state", .has_arg = required_argument },
4329 { .val = LFS_LAYOUT_FOREIGN_OPT,
4330 .name = "foreign", .has_arg = optional_argument},
4331 { .val = LFS_NEWERXY_OPT,
4332 .name = "newer", .has_arg = required_argument},
4333 { .val = LFS_NEWERXY_OPT,
4334 .name = "neweraa", .has_arg = required_argument},
4335 { .val = LFS_NEWERXY_OPT,
4336 .name = "neweram", .has_arg = required_argument},
4337 { .val = LFS_NEWERXY_OPT,
4338 .name = "newerac", .has_arg = required_argument},
4339 { .val = LFS_NEWERXY_OPT,
4340 .name = "newerab", .has_arg = required_argument},
4341 { .val = LFS_NEWERXY_OPT,
4342 .name = "newerma", .has_arg = required_argument},
4343 { .val = LFS_NEWERXY_OPT,
4344 .name = "newermm", .has_arg = required_argument},
4345 { .val = LFS_NEWERXY_OPT,
4346 .name = "newermc", .has_arg = required_argument},
4347 { .val = LFS_NEWERXY_OPT,
4348 .name = "newermb", .has_arg = required_argument},
4349 { .val = LFS_NEWERXY_OPT,
4350 .name = "newerca", .has_arg = required_argument},
4351 { .val = LFS_NEWERXY_OPT,
4352 .name = "newercm", .has_arg = required_argument},
4353 { .val = LFS_NEWERXY_OPT,
4354 .name = "newercc", .has_arg = required_argument},
4355 { .val = LFS_NEWERXY_OPT,
4356 .name = "newercb", .has_arg = required_argument},
4357 { .val = LFS_NEWERXY_OPT,
4358 .name = "newerba", .has_arg = required_argument},
4359 { .val = LFS_NEWERXY_OPT,
4360 .name = "newerbm", .has_arg = required_argument},
4361 { .val = LFS_NEWERXY_OPT,
4362 .name = "newerbc", .has_arg = required_argument},
4363 { .val = LFS_NEWERXY_OPT,
4364 .name = "newerbb", .has_arg = required_argument},
4365 { .val = LFS_NEWERXY_OPT,
4366 .name = "newerBa", .has_arg = required_argument},
4367 { .val = LFS_NEWERXY_OPT,
4368 .name = "newerBm", .has_arg = required_argument},
4369 { .val = LFS_NEWERXY_OPT,
4370 .name = "newerBc", .has_arg = required_argument},
4371 { .val = LFS_NEWERXY_OPT,
4372 .name = "newerBB", .has_arg = required_argument},
4373 { .val = LFS_NEWERXY_OPT,
4374 .name = "newerat", .has_arg = required_argument},
4375 { .val = LFS_NEWERXY_OPT,
4376 .name = "newermt", .has_arg = required_argument},
4377 { .val = LFS_NEWERXY_OPT,
4378 .name = "newerct", .has_arg = required_argument},
4379 { .val = LFS_NEWERXY_OPT,
4380 .name = "newerbt", .has_arg = required_argument},
4381 { .val = LFS_NEWERXY_OPT,
4382 .name = "newerBt", .has_arg = required_argument},
4383 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4384 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4385 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4386 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4387 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4388 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4389 { .val = 'E', .name = "component-end",
4390 .has_arg = required_argument },
4391 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4392 { .val = LFS_LAYOUT_FOREIGN_OPT,
4393 .name = "foreign", .has_arg = optional_argument},
4394 { .val = 'g', .name = "gid", .has_arg = required_argument },
4395 { .val = 'G', .name = "group", .has_arg = required_argument },
4396 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4397 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4398 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4399 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4400 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4401 { .val = 'L', .name = "layout", .has_arg = required_argument },
4402 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4403 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4404 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4405 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4406 { .val = 'n', .name = "name", .has_arg = required_argument },
4407 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4408 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4409 { .val = 'O', .name = "obd", .has_arg = required_argument },
4410 { .val = 'O', .name = "ost", .has_arg = required_argument },
4411 /* no short option for pool yet, can be 'p' after 2.18 */
4412 { .val = LFS_POOL_OPT,
4413 .name = "pool", .has_arg = required_argument },
4414 { .val = '0', .name = "print0", .has_arg = no_argument },
4415 { .val = 'P', .name = "print", .has_arg = no_argument },
4416 { .val = LFS_PROJID_OPT,
4417 .name = "projid", .has_arg = required_argument },
4418 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4419 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4420 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4421 { .val = 's', .name = "size", .has_arg = required_argument },
4422 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4423 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4424 { .val = 't', .name = "type", .has_arg = required_argument },
4425 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4426 { .val = 'u', .name = "uid", .has_arg = required_argument },
4427 { .val = 'U', .name = "user", .has_arg = required_argument },
4428 { .val = 'z', .name = "extension-size",
4429 .has_arg = required_argument },
4430 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4431 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4432 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4446 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4447 while ((c = getopt_long_only(argc, argv,
4448 "-0A:b:B:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4449 long_opts, &optidx)) >= 0) {
4454 /* '!' is part of option */
4456 * when getopt_long_only() finds a string which is not
4457 * an option nor a known option argument it returns 1
4458 * in that case if we already have found pathstart and pathend
4459 * (i.e. we have the list of pathnames),
4460 * the only supported value is "!"
4462 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4463 if (!isoption && pathend != -1) {
4465 "err: %s: filename|dirname must either precede options or follow options\n",
4470 if (!isoption && pathstart == -1)
4471 pathstart = optind - 1;
4472 if (isoption && pathstart != -1 && pathend == -1)
4473 pathend = optind - 2;
4480 * unknown; opt is "!" or path component,
4481 * checking done above.
4483 if (strcmp(optarg, "!") == 0)
4487 xtime = ¶m.fp_atime;
4488 xsign = ¶m.fp_asign;
4489 param.fp_exclude_atime = !!neg_opt;
4490 /* no break, this falls through to 'B' for btime */
4493 xtime = ¶m.fp_btime;
4494 xsign = ¶m.fp_bsign;
4495 param.fp_exclude_btime = !!neg_opt;
4497 /* no break, this falls through to 'C' for ctime */
4500 xtime = ¶m.fp_ctime;
4501 xsign = ¶m.fp_csign;
4502 param.fp_exclude_ctime = !!neg_opt;
4504 /* no break, this falls through to 'M' for mtime */
4507 xtime = ¶m.fp_mtime;
4508 xsign = ¶m.fp_msign;
4509 param.fp_exclude_mtime = !!neg_opt;
4511 rc = set_time(¶m, &t, xtime, optarg);
4512 if (rc == LONG_MAX) {
4520 if (optarg[0] == '+') {
4521 param.fp_blocks_sign = -1;
4523 } else if (optarg[0] == '-') {
4524 param.fp_blocks_sign = 1;
4528 param.fp_blocks_units = 1024;
4529 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4530 ¶m.fp_blocks_units, 0);
4532 fprintf(stderr, "error: bad blocks '%s'\n",
4536 param.fp_check_blocks = 1;
4537 param.fp_exclude_blocks = !!neg_opt;
4539 case LFS_COMP_COUNT_OPT:
4540 if (optarg[0] == '+') {
4541 param.fp_comp_count_sign = -1;
4543 } else if (optarg[0] == '-') {
4544 param.fp_comp_count_sign = 1;
4548 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4549 if (*endptr != '\0') {
4551 "error: bad component count '%s'\n",
4555 param.fp_check_comp_count = 1;
4556 param.fp_exclude_comp_count = !!neg_opt;
4558 case LFS_COMP_FLAGS_OPT:
4559 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4560 ¶m.fp_comp_neg_flags);
4563 "error: bad component flags '%s'\n",
4567 param.fp_check_comp_flags = 1;
4569 __u32 flags = param.fp_comp_neg_flags;
4571 param.fp_comp_neg_flags = param.fp_comp_flags;
4572 param.fp_comp_flags = flags;
4575 case LFS_COMP_START_OPT:
4576 if (optarg[0] == '+') {
4577 param.fp_comp_start_sign = -1;
4579 } else if (optarg[0] == '-') {
4580 param.fp_comp_start_sign = 1;
4584 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4585 ¶m.fp_comp_start_units, 0);
4588 "error: bad component start '%s'\n",
4592 param.fp_check_comp_start = 1;
4593 param.fp_exclude_comp_start = !!neg_opt;
4595 case LFS_MIRROR_STATE_OPT:
4596 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4597 ¶m.fp_mirror_neg_state);
4600 "error: bad mirrored file state '%s'\n",
4604 param.fp_check_mirror_state = 1;
4606 __u16 state = param.fp_mirror_neg_state;
4608 param.fp_mirror_neg_state =
4609 param.fp_mirror_state;
4610 param.fp_mirror_state = state;
4614 if (optarg[0] == '+') {
4615 param.fp_stripe_count_sign = -1;
4617 } else if (optarg[0] == '-') {
4618 param.fp_stripe_count_sign = 1;
4622 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4623 if (*endptr != '\0') {
4625 "error: bad stripe_count '%s'\n",
4630 param.fp_check_stripe_count = 1;
4631 param.fp_exclude_stripe_count = !!neg_opt;
4634 param.fp_max_depth = strtol(optarg, 0, 0);
4637 if (optarg[0] == '+') {
4638 param.fp_comp_end_sign = -1;
4640 } else if (optarg[0] == '-') {
4641 param.fp_comp_end_sign = 1;
4645 if (arg_is_eof(optarg)) {
4646 param.fp_comp_end = LUSTRE_EOF;
4647 param.fp_comp_end_units = 1;
4650 rc = llapi_parse_size(optarg,
4652 ¶m.fp_comp_end_units, 0);
4656 "error: bad component end '%s'\n",
4660 param.fp_check_comp_end = 1;
4661 param.fp_exclude_comp_end = !!neg_opt;
4663 case LFS_LAYOUT_FOREIGN_OPT: {
4664 /* all types by default */
4665 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4668 /* check pure numeric */
4669 type = strtoul(optarg, &endptr, 0);
4672 type = check_foreign_type_name(optarg);
4673 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4675 "%s %s: unknown foreign type '%s'\n",
4682 param.fp_foreign_type = type;
4683 param.fp_check_foreign = 1;
4684 param.fp_exclude_foreign = !!neg_opt;
4687 case LFS_NEWERXY_OPT: {
4693 time_t ref = time(NULL);
4695 /* no need to check bad options, they won't get here */
4696 if (strlen(long_opts[optidx].name) == 7) {
4697 x = long_opts[optidx].name[5];
4698 y = long_opts[optidx].name[6];
4702 static const char *const fmts[] = {
4703 "%Y-%m-%d %H:%M:%S",
4706 "%H:%M:%S", /* sometime today */
4715 for (i = 0; fmts[i] != NULL; i++) {
4718 /* Init for times relative to today */
4719 if (strncmp(fmts[i], "%H", 2) == 0)
4720 localtime_r(&ref, &tm);
4722 memset(&tm, 0, sizeof(tm));
4723 ptr = strptime(optarg, fmts[i], &tm);
4725 while (ptr && isspace(*ptr))
4727 if (ptr == optarg + strlen(optarg)) {
4735 "%s: invalid time '%s'\n",
4738 "supported formats are:\n ");
4739 for (i = 0; fmts[i] != NULL; i++)
4740 fprintf(stderr, "'%s', ",
4742 fprintf(stderr, "\n");
4748 } else if (y == 'b' || y == 'B') {
4751 rc = llapi_get_lum_file(optarg, NULL, &stx,
4753 if (rc || !(stx.stx_mask & STATX_BTIME)) {
4754 if (!(stx.stx_mask & STATX_BTIME))
4759 "%s: get btime failed '%s': %s\n",
4765 ref = stx.stx_btime.tv_sec;
4767 struct stat statbuf;
4769 if (stat(optarg, &statbuf) < 0) {
4771 "%s: cannot stat file '%s': %s\n",
4780 ref = statbuf.st_atime;
4783 ref = statbuf.st_mtime;
4786 ref = statbuf.st_ctime;
4790 "%s: invalid Y argument: '%c'\n",
4799 xidx = NEWERXY_ATIME;
4802 xidx = NEWERXY_MTIME;
4805 xidx = NEWERXY_CTIME;
4809 xidx = NEWERXY_BTIME;
4813 "%s: invalid X argument: '%c'\n",
4820 newery = ¶m.fp_newery[xidx][negidx];
4826 *newery = *newery > ref ? ref : *newery;
4828 *newery = *newery > ref ? *newery : ref;
4830 param.fp_newerxy = 1;
4835 rc = name2gid(¶m.fp_gid, optarg);
4837 if (str2quotaid(¶m.fp_gid, optarg)) {
4839 "Group/GID: %s cannot be found.\n",
4845 param.fp_exclude_gid = !!neg_opt;
4846 param.fp_check_gid = 1;
4849 param.fp_hash_type = check_hashtype(optarg);
4850 if (param.fp_hash_type == 0) {
4851 fprintf(stderr, "error: bad hash_type '%s'\n",
4856 param.fp_check_hash_type = 1;
4857 param.fp_exclude_hash_type = !!neg_opt;
4863 ret = name2layout(¶m.fp_layout, optarg);
4866 param.fp_exclude_layout = !!neg_opt;
4867 param.fp_check_layout = 1;
4871 rc = name2uid(¶m.fp_uid, optarg);
4873 if (str2quotaid(¶m.fp_uid, optarg)) {
4875 "User/UID: %s cannot be found.\n",
4881 param.fp_exclude_uid = !!neg_opt;
4882 param.fp_check_uid = 1;
4885 param.fp_pattern = (char *)optarg;
4886 param.fp_exclude_pattern = !!neg_opt;
4889 if (optarg[0] == '+') {
4890 param.fp_mirror_count_sign = -1;
4892 } else if (optarg[0] == '-') {
4893 param.fp_mirror_count_sign = 1;
4897 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4898 if (*endptr != '\0') {
4900 "error: bad mirror count '%s'\n",
4904 param.fp_check_mirror_count = 1;
4905 param.fp_exclude_mirror_count = !!neg_opt;
4910 char *buf, *token, *next, *p;
4914 buf = strdup(optarg);
4920 param.fp_exclude_obd = !!neg_opt;
4923 while (token && *token) {
4924 token = strchr(token, ',');
4931 param.fp_exclude_mdt = !!neg_opt;
4932 param.fp_num_alloc_mdts += len;
4933 tmp = realloc(param.fp_mdt_uuid,
4934 param.fp_num_alloc_mdts *
4935 sizeof(*param.fp_mdt_uuid));
4941 param.fp_mdt_uuid = tmp;
4943 param.fp_exclude_obd = !!neg_opt;
4944 param.fp_num_alloc_obds += len;
4945 tmp = realloc(param.fp_obd_uuid,
4946 param.fp_num_alloc_obds *
4947 sizeof(*param.fp_obd_uuid));
4953 param.fp_obd_uuid = tmp;
4955 for (token = buf; token && *token; token = next) {
4956 struct obd_uuid *puuid;
4960 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4963 ¶m.fp_obd_uuid[param.fp_num_obds++];
4965 p = strchr(token, ',');
4972 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4977 strncpy(puuid->uuid, token,
4978 sizeof(puuid->uuid));
4985 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4989 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4991 "Pool name %s is too long (max %d)\n",
4992 optarg, LOV_MAXPOOLNAME);
4997 * We do check for empty pool because empty pool
4998 * is used to find V1 LOV attributes
5000 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
5001 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
5002 param.fp_exclude_pool = !!neg_opt;
5003 param.fp_check_pool = 1;
5005 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
5006 case 'p': /* want this for --pool, to match getstripe/find */
5008 "warning: -p deprecated, use --print0 or -0\n");
5011 param.fp_zero_end = 1;
5013 case 'P': /* we always print, this option is a no-op */
5015 case LFS_PROJID_OPT:
5016 rc = name2projid(¶m.fp_projid, optarg);
5018 if (str2quotaid(¶m.fp_projid, optarg)) {
5020 "Invalid project ID: %s\n",
5026 param.fp_exclude_projid = !!neg_opt;
5027 param.fp_check_projid = 1;
5030 if (optarg[0] == '+') {
5031 param.fp_size_sign = -1;
5033 } else if (optarg[0] == '-') {
5034 param.fp_size_sign = 1;
5038 ret = llapi_parse_size(optarg, ¶m.fp_size,
5039 ¶m.fp_size_units, 0);
5041 fprintf(stderr, "error: bad file size '%s'\n",
5045 param.fp_check_size = 1;
5046 param.fp_exclude_size = !!neg_opt;
5049 if (optarg[0] == '+') {
5050 param.fp_stripe_size_sign = -1;
5052 } else if (optarg[0] == '-') {
5053 param.fp_stripe_size_sign = 1;
5057 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
5058 ¶m.fp_stripe_size_units, 0);
5060 fprintf(stderr, "error: bad stripe_size '%s'\n",
5064 param.fp_check_stripe_size = 1;
5065 param.fp_exclude_stripe_size = !!neg_opt;
5068 param.fp_exclude_type = !!neg_opt;
5069 switch (optarg[0]) {
5071 param.fp_type = S_IFBLK;
5074 param.fp_type = S_IFCHR;
5077 param.fp_type = S_IFDIR;
5080 param.fp_type = S_IFREG;
5083 param.fp_type = S_IFLNK;
5086 param.fp_type = S_IFIFO;
5089 param.fp_type = S_IFSOCK;
5092 fprintf(stderr, "error: %s: bad type '%s'\n",
5099 if (optarg[0] == '+') {
5100 param.fp_mdt_count_sign = -1;
5102 } else if (optarg[0] == '-') {
5103 param.fp_mdt_count_sign = 1;
5107 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
5108 if (*endptr != '\0') {
5109 fprintf(stderr, "error: bad mdt_count '%s'\n",
5114 param.fp_check_mdt_count = 1;
5115 param.fp_exclude_mdt_count = !!neg_opt;
5118 if (optarg[0] == '+') {
5119 param.fp_ext_size_sign = -1;
5121 } else if (optarg[0] == '-') {
5122 param.fp_ext_size_sign = 1;
5126 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
5127 ¶m.fp_ext_size_units, 0);
5129 fprintf(stderr, "error: bad ext-size '%s'\n",
5133 param.fp_ext_size /= SEL_UNIT_SIZE;
5134 param.fp_ext_size_units /= SEL_UNIT_SIZE;
5135 param.fp_check_ext_size = 1;
5136 param.fp_exclude_ext_size = !!neg_opt;
5144 if (pathstart == -1) {
5145 fprintf(stderr, "error: %s: no filename|pathname\n",
5149 } else if (pathend == -1) {
5155 rc = llapi_find(argv[pathstart], ¶m);
5158 pathbad = pathstart;
5160 } while (++pathstart < pathend);
5163 fprintf(stderr, "%s: failed for '%s': %s\n",
5164 progname, argv[pathbad], strerror(-rc));
5167 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
5168 free(param.fp_obd_uuid);
5170 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
5171 free(param.fp_mdt_uuid);
5176 static int lfs_getstripe_internal(int argc, char **argv,
5177 struct find_param *param)
5179 struct option long_opts[] = {
5180 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
5181 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
5182 /* find { .val = 'B', .name = "btime", .has_arg = required_argument }*/
5183 /* find { .val = 'B', .name = "Btime", .has_arg = required_argument }*/
5184 { .val = LFS_COMP_COUNT_OPT,
5185 .name = "comp-count", .has_arg = no_argument },
5186 { .val = LFS_COMP_COUNT_OPT,
5187 .name = "component-count", .has_arg = no_argument },
5188 { .val = LFS_COMP_FLAGS_OPT,
5189 .name = "comp-flags", .has_arg = optional_argument },
5190 { .val = LFS_COMP_FLAGS_OPT,
5191 .name = "component-flags", .has_arg = optional_argument },
5192 { .val = LFS_COMP_START_OPT,
5193 .name = "comp-start", .has_arg = optional_argument },
5194 { .val = LFS_COMP_START_OPT,
5195 .name = "component-start", .has_arg = optional_argument },
5196 { .val = LFS_MIRROR_INDEX_OPT,
5197 .name = "mirror-index", .has_arg = required_argument },
5198 { .val = LFS_MIRROR_ID_OPT,
5199 .name = "mirror-id", .has_arg = required_argument },
5200 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
5201 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
5202 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
5203 { .val = 'd', .name = "directory", .has_arg = no_argument },
5204 { .val = 'D', .name = "default", .has_arg = no_argument },
5205 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
5206 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
5207 { .val = 'F', .name = "fid", .has_arg = no_argument },
5208 { .val = 'g', .name = "generation", .has_arg = no_argument },
5209 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
5210 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
5211 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
5212 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
5213 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
5214 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
5215 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5216 { .val = 'L', .name = "layout", .has_arg = no_argument },
5217 { .val = 'm', .name = "mdt", .has_arg = no_argument },
5218 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5219 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
5220 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
5221 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
5222 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
5223 { .val = 'O', .name = "obd", .has_arg = required_argument },
5224 { .val = 'O', .name = "ost", .has_arg = required_argument },
5225 { .val = 'p', .name = "pool", .has_arg = no_argument },
5226 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
5227 { .val = 'q', .name = "quiet", .has_arg = no_argument },
5228 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5229 { .val = 'R', .name = "raw", .has_arg = no_argument },
5230 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
5231 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
5232 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
5233 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
5234 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
5235 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
5236 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5237 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5238 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
5239 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
5243 int pathstart = -1, pathend = -1;
5247 while ((c = getopt_long(argc, argv,
5248 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
5249 long_opts, NULL)) != -1) {
5253 /* '!' is part of option */
5254 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
5255 if (!isoption && pathend != -1) {
5257 "error: %s: filename|dirname must either precede options or follow options\n",
5261 if (!isoption && pathstart == -1)
5262 pathstart = optind - 1;
5263 if (isoption && pathstart != -1 && pathend == -1)
5264 pathend = optind - 2;
5268 /* unknown: opt is "!" */
5269 if (strcmp(optarg, "!") == 0)
5273 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5274 param->fp_verbose |= VERBOSE_COUNT;
5275 param->fp_max_depth = 0;
5278 case LFS_COMP_COUNT_OPT:
5279 param->fp_verbose |= VERBOSE_COMP_COUNT;
5280 param->fp_max_depth = 0;
5282 case LFS_COMP_FLAGS_OPT:
5284 rc = comp_str2flags(optarg,
5285 ¶m->fp_comp_flags,
5286 ¶m->fp_comp_neg_flags);
5289 "error: %s bad component flags '%s'.\n",
5293 param->fp_check_comp_flags = 1;
5295 param->fp_verbose |= VERBOSE_COMP_FLAGS;
5296 param->fp_max_depth = 0;
5299 case LFS_COMP_START_OPT:
5302 if (tmp[0] == '+') {
5303 param->fp_comp_start_sign = -1;
5305 } else if (tmp[0] == '-') {
5306 param->fp_comp_start_sign = 1;
5309 rc = llapi_parse_size(tmp,
5310 ¶m->fp_comp_start,
5311 ¶m->fp_comp_start_units, 0);
5314 "error: %s bad component start '%s'.\n",
5318 param->fp_check_comp_start = 1;
5320 param->fp_verbose |= VERBOSE_COMP_START;
5321 param->fp_max_depth = 0;
5324 case LFS_MIRROR_INDEX_OPT:
5325 if (optarg[0] == '+') {
5326 param->fp_mirror_index_sign = -1;
5328 } else if (optarg[0] == '-') {
5329 param->fp_mirror_index_sign = 1;
5333 param->fp_mirror_index = strtoul(optarg, &end, 0);
5334 if (*end != '\0' || (param->fp_mirror_index == 0 &&
5335 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
5337 "%s %s: invalid mirror index '%s'\n",
5338 progname, argv[0], optarg);
5341 if (param->fp_mirror_id != 0) {
5343 "%s %s: can't specify both mirror index and mirror ID\n",
5347 param->fp_check_mirror_index = 1;
5348 param->fp_exclude_mirror_index = !!neg_opt;
5350 case LFS_MIRROR_ID_OPT:
5351 if (optarg[0] == '+') {
5352 param->fp_mirror_id_sign = -1;
5354 } else if (optarg[0] == '-') {
5355 param->fp_mirror_id_sign = 1;
5359 param->fp_mirror_id = strtoul(optarg, &end, 0);
5360 if (*end != '\0' || (param->fp_mirror_id == 0 &&
5361 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
5363 "%s %s: invalid mirror ID '%s'\n",
5364 progname, argv[0], optarg);
5367 if (param->fp_mirror_index != 0) {
5369 "%s %s: can't specify both mirror index and mirror ID\n",
5373 param->fp_check_mirror_id = 1;
5374 param->fp_exclude_mirror_id = !!neg_opt;
5377 param->fp_max_depth = 0;
5380 param->fp_get_default_lmv = 1;
5385 if (tmp[0] == '+') {
5386 param->fp_comp_end_sign = -1;
5388 } else if (tmp[0] == '-') {
5389 param->fp_comp_end_sign = 1;
5393 if (arg_is_eof(tmp)) {
5394 param->fp_comp_end = LUSTRE_EOF;
5395 param->fp_comp_end_units = 1;
5398 rc = llapi_parse_size(tmp,
5399 ¶m->fp_comp_end,
5400 ¶m->fp_comp_end_units, 0);
5404 "error: %s bad component end '%s'.\n",
5408 param->fp_check_comp_end = 1;
5410 param->fp_verbose |= VERBOSE_COMP_END;
5411 param->fp_max_depth = 0;
5415 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5416 param->fp_verbose |= VERBOSE_DFID;
5417 param->fp_max_depth = 0;
5421 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5422 param->fp_verbose |= VERBOSE_GENERATION;
5423 param->fp_max_depth = 0;
5427 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5428 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
5429 param->fp_max_depth = 0;
5434 param->fp_comp_id = strtoul(optarg, &end, 0);
5435 if (*end != '\0' || param->fp_comp_id == 0 ||
5436 param->fp_comp_id > LCME_ID_MAX) {
5438 "error: %s bad component id '%s'\n",
5442 param->fp_check_comp_id = 1;
5444 param->fp_max_depth = 0;
5445 param->fp_verbose |= VERBOSE_COMP_ID;
5449 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5450 param->fp_verbose |= VERBOSE_PATTERN;
5451 param->fp_max_depth = 0;
5454 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5457 "warning: '-M' deprecated, use '--mdt-index' or '-m' instead\n");
5460 if (!(param->fp_verbose & VERBOSE_DETAIL))
5461 param->fp_max_depth = 0;
5462 param->fp_verbose |= VERBOSE_MDTINDEX;
5465 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5466 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
5467 param->fp_max_depth = 0;
5471 if (param->fp_obd_uuid) {
5473 "error: %s: only one obduuid allowed",
5477 param->fp_obd_uuid = (struct obd_uuid *)optarg;
5480 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5481 param->fp_verbose |= VERBOSE_POOL;
5482 param->fp_max_depth = 0;
5489 param->fp_recursive = 1;
5495 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5496 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
5497 param->fp_max_depth = 0;
5501 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
5507 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5508 param->fp_verbose |= VERBOSE_EXT_SIZE;
5509 param->fp_max_depth = 0;
5517 if (pathstart == -1) {
5518 fprintf(stderr, "error: %s: no filename|pathname\n",
5521 } else if (pathend == -1) {
5529 if (param->fp_recursive)
5530 param->fp_max_depth = -1;
5531 else if (param->fp_verbose & VERBOSE_DETAIL)
5532 param->fp_max_depth = 1;
5534 if (!param->fp_verbose)
5535 param->fp_verbose = VERBOSE_DEFAULT;
5536 if (param->fp_quiet)
5537 param->fp_verbose = VERBOSE_OBJID;
5540 rc = llapi_getstripe(argv[pathstart], param);
5541 } while (++pathstart < pathend && !rc);
5544 fprintf(stderr, "error: %s failed for %s.\n",
5545 argv[0], argv[optind - 1]);
5549 static int lfs_tgts(int argc, char **argv)
5551 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5552 struct find_param param;
5553 int index = 0, rc = 0;
5558 if (argc == 2 && !realpath(argv[1], path)) {
5560 fprintf(stderr, "error: invalid path '%s': %s\n",
5561 argv[1], strerror(-rc));
5565 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5566 /* Check if we have a mount point */
5567 if (mntdir[0] == '\0')
5570 memset(¶m, 0, sizeof(param));
5571 if (!strcmp(argv[0], "mdts"))
5572 param.fp_get_lmv = 1;
5574 rc = llapi_ostlist(mntdir, ¶m);
5576 fprintf(stderr, "error: %s: failed on %s\n",
5579 if (path[0] != '\0')
5581 memset(mntdir, 0, PATH_MAX);
5587 static int lfs_getstripe(int argc, char **argv)
5589 struct find_param param = { 0 };
5591 param.fp_max_depth = 1;
5592 return lfs_getstripe_internal(argc, argv, ¶m);
5596 static int lfs_getdirstripe(int argc, char **argv)
5598 struct find_param param = { 0 };
5599 struct option long_opts[] = {
5600 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5601 { .val = 'D', .name = "default", .has_arg = no_argument },
5602 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5603 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5604 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5605 { .val = 'O', .name = "obd", .has_arg = required_argument },
5606 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5607 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5608 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5609 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5613 param.fp_get_lmv = 1;
5615 while ((c = getopt_long(argc, argv,
5616 "cDHimO:rtTvy", long_opts, NULL)) != -1) {
5620 param.fp_verbose |= VERBOSE_COUNT;
5623 param.fp_get_default_lmv = 1;
5627 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5629 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5632 "warning: '-t' deprecated, use '--mdt-hash' or '-H' instead\n");
5635 param.fp_verbose |= VERBOSE_HASH_TYPE;
5638 if (param.fp_obd_uuid) {
5640 "error: %s: only one obduuid allowed",
5644 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5647 param.fp_recursive = 1;
5650 param.fp_verbose |= VERBOSE_DETAIL;
5656 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5657 progname, argv[0], argv[optind - 1]);
5665 if (param.fp_recursive)
5666 param.fp_max_depth = -1;
5668 if (!param.fp_verbose)
5669 param.fp_verbose = VERBOSE_DEFAULT;
5672 rc = llapi_getstripe(argv[optind], ¶m);
5673 } while (++optind < argc && !rc);
5676 fprintf(stderr, "error: %s failed for %s.\n",
5677 argv[0], argv[optind - 1]);
5682 MNTDF_INODES = 0x0001,
5683 MNTDF_COOKED = 0x0002,
5684 MNTDF_LAZY = 0x0004,
5685 MNTDF_VERBOSE = 0x0008,
5686 MNTDF_SHOW = 0x0010,
5689 #define COOK(value) \
5692 while (value > 1024) { \
5700 #define CDF "%11llu"
5701 #define HDF "%8.1f%c"
5705 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5707 double avail, used, ratio = 0;
5710 avail = st->os_ffree;
5711 used = st->os_files - st->os_ffree;
5713 avail = st->os_bavail;
5714 used = st->os_blocks - st->os_bfree;
5716 if (avail + used > 0)
5717 ratio = used / (used + avail) * 100;
5719 /* Round up to match df(1) usage percentage */
5720 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5724 * This is to identify various problem states for "lfs df" if .osn_err = true,
5725 * so only show flags reflecting those states by default. Informational states
5726 * are only shown with "-v" and use lower-case names to distinguish them.
5727 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5729 static struct obd_statfs_state_names {
5730 enum obd_statfs_state osn_state;
5731 const char osn_name;
5734 { .osn_state = OS_STATFS_DEGRADED, .osn_name = 'D', .osn_err = true },
5735 { .osn_state = OS_STATFS_READONLY, .osn_name = 'R', .osn_err = true },
5736 { .osn_state = OS_STATFS_NOPRECREATE,.osn_name = 'N', .osn_err = true },
5737 { .osn_state = OS_STATFS_UNUSED1, .osn_name = '?', .osn_err = true },
5738 { .osn_state = OS_STATFS_UNUSED2, .osn_name = '?', .osn_err = true },
5739 { .osn_state = OS_STATFS_ENOSPC, .osn_name = 'S', .osn_err = true },
5740 { .osn_state = OS_STATFS_ENOINO, .osn_name = 'I', .osn_err = true },
5741 { .osn_state = OS_STATFS_SUM, .osn_name = 'a', /* aggregate */ },
5742 { .osn_state = OS_STATFS_NONROT, .osn_name = 'f', /* flash */ },
5745 static int showdf(char *mntdir, struct obd_statfs *stat,
5746 char *uuid, enum mntdf_flags flags,
5747 char *type, int index, int rc)
5749 long long avail, used, total;
5751 char *suffix = "KMGTPEZY";
5752 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5753 char tbuf[3 * sizeof(__u64)];
5754 char ubuf[3 * sizeof(__u64)];
5755 char abuf[3 * sizeof(__u64)];
5756 char rbuf[3 * sizeof(__u64)];
5763 if (flags & MNTDF_INODES) {
5764 avail = stat->os_ffree;
5765 used = stat->os_files - stat->os_ffree;
5766 total = stat->os_files;
5768 int shift = flags & MNTDF_COOKED ? 0 : 10;
5770 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5771 used = ((stat->os_blocks - stat->os_bfree) *
5772 stat->os_bsize) >> shift;
5773 total = (stat->os_blocks * stat->os_bsize) >> shift;
5776 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5778 if (flags & MNTDF_COOKED) {
5782 cook_val = (double)total;
5785 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5788 snprintf(tbuf, sizeof(tbuf), CDF, total);
5790 cook_val = (double)used;
5793 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5796 snprintf(ubuf, sizeof(ubuf), CDF, used);
5798 cook_val = (double)avail;
5801 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5804 snprintf(abuf, sizeof(abuf), CDF, avail);
5806 snprintf(tbuf, sizeof(tbuf), CDF, total);
5807 snprintf(ubuf, sizeof(tbuf), CDF, used);
5808 snprintf(abuf, sizeof(tbuf), CDF, avail);
5811 sprintf(rbuf, RDF, ratio);
5812 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5813 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5815 printf("[%s:%d]", type, index);
5817 if (stat->os_state) {
5821 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5822 if (oss_names[i].osn_state & stat->os_state &&
5823 (oss_names[i].osn_err ||
5824 flags & MNTDF_VERBOSE))
5825 printf("%c", oss_names[i].osn_name);
5832 printf(UUF": inactive device\n", uuid);
5835 printf(UUF": %s\n", uuid, strerror(-rc));
5842 struct ll_stat_type {
5847 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5849 struct ll_statfs_data {
5851 struct obd_statfs sd_st;
5854 struct ll_statfs_buf {
5856 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5859 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5860 int ops, struct ll_statfs_buf *lsb)
5862 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5863 struct obd_uuid uuid_buf;
5864 char *poolname = NULL;
5865 struct ll_stat_type types[] = {
5866 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5867 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5868 { .st_name = NULL } };
5869 struct ll_stat_type *tp;
5870 __u64 ost_files = 0;
5871 __u64 ost_ffree = 0;
5879 poolname = strchr(pool, '.');
5881 if (strncmp(fsname, pool, strlen(fsname))) {
5882 fprintf(stderr, "filesystem name incorrect\n");
5890 fd = open(mntdir, O_RDONLY);
5893 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5898 if (flags & MNTDF_SHOW) {
5899 if (flags & MNTDF_INODES)
5900 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5901 "UUID", "Inodes", "IUsed", "IFree",
5902 "IUse%", "Mounted on");
5904 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5906 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5907 "Used", "Available", "Use%", "Mounted on");
5910 for (tp = types; tp->st_name != NULL; tp++) {
5911 bool have_ost = false;
5913 if (!(tp->st_op & ops))
5916 for (index = 0; ; index++) {
5917 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5918 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5919 type = flags & MNTDF_LAZY ?
5920 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5921 rc2 = llapi_obd_fstatfs(fd, type, index,
5922 &stat_buf, &uuid_buf);
5927 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5928 if (!(flags & MNTDF_VERBOSE))
5930 } else if (rc2 < 0 && rc == 0) {
5935 * If we have OSTs then don't report MDT block counts.
5936 * For MDT-only filesystems the expectation is that all
5937 * layouts have a DoM component. For filesystems with
5938 * OSTs, files are not necessarily going to store data
5939 * on MDTs, and MDT space is limited to a fraction of
5940 * OST space, so don't include it in the summary.
5942 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5949 if (poolname && tp->st_op == LL_STATFS_LOV &&
5950 llapi_search_ost(fsname, poolname,
5951 obd_uuid2str(&uuid_buf)) != 1)
5955 * the llapi_obd_fstatfs() call may have returned with
5956 * an error, but if it filled in uuid_buf we will at
5957 * lease use that to print out a message for that OBD.
5958 * If we didn't get anything in the uuid_buf, then fill
5959 * it in so that we can print an error message.
5961 if (uuid_buf.uuid[0] == '\0')
5962 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5963 "%s%04x", tp->st_name, index);
5965 lsb->sb_buf[lsb->sb_count].sd_index = index;
5966 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5969 if (flags & MNTDF_SHOW)
5970 showdf(mntdir, &stat_buf,
5971 obd_uuid2str(&uuid_buf), flags,
5972 tp->st_name, index, rc2);
5977 if (tp->st_op == LL_STATFS_LMV) {
5978 sum.os_ffree += stat_buf.os_ffree;
5979 sum.os_files += stat_buf.os_files;
5980 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5981 ost_files += stat_buf.os_files;
5982 ost_ffree += stat_buf.os_ffree;
5984 sum.os_blocks += stat_buf.os_blocks *
5986 sum.os_bfree += stat_buf.os_bfree *
5988 sum.os_bavail += stat_buf.os_bavail *
5996 * If we have _some_ OSTs, but don't have as many free objects on the
5997 * OST as inodes on the MDTs, reduce the reported number of inodes
5998 * to compensate, so that the "inodes in use" number is correct.
5999 * This should be kept in sync with ll_statfs_internal().
6001 if (ost_files && ost_ffree < sum.os_ffree) {
6002 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
6003 sum.os_ffree = ost_ffree;
6005 if (flags & MNTDF_SHOW) {
6007 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
6015 static int lfs_setdirstripe(int argc, char **argv)
6018 struct lfs_setstripe_args lsa = { 0 };
6019 struct llapi_stripe_param *param = NULL;
6020 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
6023 char *mode_opt = NULL;
6024 bool default_stripe = false;
6025 bool delete = false;
6026 bool foreign_mode = false;
6027 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
6028 mode_t previous_mode = 0;
6030 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
6031 struct option long_opts[] = {
6032 { .val = 'c', .name = "count", .has_arg = required_argument },
6033 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
6034 { .val = 'd', .name = "delete", .has_arg = no_argument },
6035 { .val = 'D', .name = "default", .has_arg = no_argument },
6036 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
6037 { .val = LFS_LAYOUT_FLAGS_OPT,
6038 .name = "flags", .has_arg = required_argument },
6039 { .val = LFS_LAYOUT_FOREIGN_OPT,
6040 .name = "foreign", .has_arg = optional_argument},
6041 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
6042 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
6043 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
6044 { .val = 'i', .name = "mdt", .has_arg = required_argument },
6046 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
6047 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6048 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6050 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6051 { .val = 'i', .name = "index", .has_arg = required_argument },
6053 { .val = 'o', .name = "mode", .has_arg = required_argument },
6054 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6055 { .val = 't', .name = "hash-type", .has_arg = required_argument },
6057 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
6058 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
6059 { .val = 'x', .name = "xattr", .has_arg = required_argument },
6063 setstripe_args_init(&lsa);
6065 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
6066 long_opts, NULL)) >= 0) {
6073 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
6076 "%s %s: invalid stripe count '%s'\n",
6077 progname, argv[0], optarg);
6083 default_stripe = true;
6086 default_stripe = true;
6088 case LFS_LAYOUT_FOREIGN_OPT:
6090 /* check pure numeric */
6091 type = strtoul(optarg, &end, 0);
6094 type = check_foreign_type_name(optarg);
6095 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
6097 "%s %s: unknown foreign type '%s'\n",
6104 foreign_mode = true;
6106 case LFS_LAYOUT_FLAGS_OPT:
6107 flags = strtoul(optarg, &end, 16);
6110 "%s %s: bad flags '%s'\n",
6111 progname, argv[0], optarg);
6115 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6118 "warning: '--hash-type' and '-t' deprecated, use '--mdt-hash' or '-H' instead\n");
6121 lsa.lsa_pattern = check_hashtype(optarg);
6122 if (lsa.lsa_pattern == 0) {
6124 "%s %s: bad stripe hash type '%s'\n",
6125 progname, argv[0], optarg);
6130 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
6133 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6134 if (strcmp(argv[optind - 1], "--index") == 0)
6136 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
6139 lsa.lsa_nr_tgts = parse_targets(mdts,
6140 sizeof(mdts) / sizeof(__u32),
6141 lsa.lsa_nr_tgts, optarg, NULL);
6142 if (lsa.lsa_nr_tgts < 0) {
6144 "%s %s: invalid MDT target(s) '%s'\n",
6145 progname, argv[0], optarg);
6149 lsa.lsa_tgts = mdts;
6150 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6151 lsa.lsa_stripe_off = mdts[0];
6153 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
6156 "warning: '-m' is deprecated, use '--mode' or '-o' instead\n");
6165 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
6166 progname, argv[0], argv[optind - 1]);
6171 if (optind == argc) {
6172 fprintf(stderr, "%s %s: DIR must be specified\n",
6177 if (xattr && !foreign_mode) {
6179 * only print a warning as this is armless and will be
6183 "%s %s: xattr has been specified for non-foreign layout\n",
6185 } else if (foreign_mode && !xattr) {
6187 "%s %s: xattr must be provided in foreign mode\n",
6192 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
6193 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
6195 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
6200 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
6201 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
6203 "%s %s: stripe offset and count must be specified\n",
6209 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
6210 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
6212 "%s %s: cannot specify -d with -c or -i options\n",
6218 mode = strtoul(mode_opt, &end, 8);
6221 "%s %s: bad MODE '%s'\n",
6222 progname, argv[0], mode_opt);
6225 previous_mode = umask(0);
6228 /* foreign LMV/dir case */
6230 if (argc > optind + 1) {
6232 "%s %s: cannot specify multiple foreign dirs\n",
6237 dname = argv[optind];
6238 result = llapi_dir_create_foreign(dname, mode, type, flags,
6242 "%s mkdir: can't create foreign dir '%s': %s\n",
6243 progname, dname, strerror(-result));
6248 * initialize stripe parameters, in case param is converted to specific,
6249 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
6251 param = calloc(1, offsetof(typeof(*param),
6252 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
6253 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
6256 "%s %s: cannot allocate memory for parameters: %s\n",
6257 progname, argv[0], strerror(ENOMEM));
6261 /* if "lfs setdirstripe -D -i -1" is used, assume 1-stripe directory */
6262 if (default_stripe && lsa.lsa_stripe_off == -1 &&
6263 (lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT ||
6264 lsa.lsa_stripe_count == 0))
6265 lsa.lsa_stripe_count = 1;
6266 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
6267 param->lsp_stripe_count = lsa.lsa_stripe_count;
6268 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6269 param->lsp_stripe_offset = -1;
6271 param->lsp_stripe_offset = lsa.lsa_stripe_off;
6272 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
6273 param->lsp_stripe_pattern = lsa.lsa_pattern;
6275 param->lsp_stripe_pattern = LMV_HASH_TYPE_UNKNOWN;
6276 param->lsp_pool = lsa.lsa_pool_name;
6277 param->lsp_is_specific = false;
6278 if (lsa.lsa_nr_tgts > 1) {
6279 if (lsa.lsa_stripe_count > 0 &&
6280 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
6281 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
6283 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
6284 argv[0], lsa.lsa_stripe_count,
6290 param->lsp_is_specific = true;
6291 param->lsp_stripe_count = lsa.lsa_nr_tgts;
6292 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
6295 dname = argv[optind];
6297 if (default_stripe) {
6298 result = llapi_dir_set_default_lmv(dname, param);
6301 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
6302 progname, dname, strerror(-result));
6306 result = llapi_dir_create(dname, mode, param);
6309 "%s setdirstripe: cannot create dir '%s': %s\n",
6310 progname, dname, strerror(-result));
6311 } while (!result && (dname = argv[++optind]));
6314 umask(previous_mode);
6321 static int lfs_rmentry(int argc, char **argv)
6328 fprintf(stderr, "error: %s: missing dirname\n",
6334 dname = argv[index];
6336 result = llapi_direntry_remove(dname);
6339 "error: %s: remove dir entry '%s' failed\n",
6343 dname = argv[++index];
6348 static int lfs_mv(int argc, char **argv)
6350 struct lmv_user_md lmu = { LMV_USER_MAGIC };
6351 struct find_param param = {
6358 struct option long_opts[] = {
6359 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6360 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6361 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6364 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
6366 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6369 "warning: '-M' deprecated, use '--mdt-index' or '-m' instead\n");
6372 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
6374 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
6380 param.fp_verbose = VERBOSE_DETAIL;
6383 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
6384 progname, argv[optind - 1]);
6389 if (lmu.lum_stripe_offset == LMV_OFFSET_DEFAULT) {
6390 fprintf(stderr, "%s mv: MDT index must be specified\n",
6395 if (optind >= argc) {
6396 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6400 lmu.lum_hash_type = LMV_HASH_TYPE_UNKNOWN;
6402 /* initialize migrate mdt parameters */
6403 param.fp_lmv_md = &lmu;
6404 param.fp_migrate = 1;
6405 rc = llapi_migrate_mdt(argv[optind], ¶m);
6407 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6408 progname, argv[optind], lmu.lum_stripe_offset,
6413 static int lfs_osts(int argc, char **argv)
6415 return lfs_tgts(argc, argv);
6418 static int lfs_mdts(int argc, char **argv)
6420 return lfs_tgts(argc, argv);
6423 static int lfs_df(int argc, char **argv)
6425 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6426 enum mntdf_flags flags = MNTDF_SHOW;
6427 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6428 int c, rc = 0, index = 0;
6429 char fsname[PATH_MAX] = "", *pool_name = NULL;
6430 struct option long_opts[] = {
6431 { .val = 'h', .name = "human-readable",
6432 .has_arg = no_argument },
6433 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6434 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6435 { .val = 'p', .name = "pool", .has_arg = required_argument },
6436 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6439 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6442 flags |= MNTDF_COOKED;
6445 flags |= MNTDF_INODES;
6448 flags |= MNTDF_LAZY;
6454 flags |= MNTDF_VERBOSE;
6460 if (optind < argc && !realpath(argv[optind], path)) {
6462 fprintf(stderr, "error: invalid path '%s': %s\n",
6463 argv[optind], strerror(-rc));
6467 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6468 /* Check if we have a mount point */
6469 if (mntdir[0] == '\0')
6472 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6473 if (rc || path[0] != '\0')
6475 fsname[0] = '\0'; /* avoid matching in next loop */
6476 mntdir[0] = '\0'; /* avoid matching in next loop */
6482 static int print_instance(const char *mntdir, char *buf, size_t buflen,
6483 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6487 if (opt_fsname == opt_instance) { /* both true or both false */
6488 rc = llapi_getname(mntdir, buf, buflen);
6489 } else if (opt_fsname) {
6491 * llapi_search_mounts() fills @buf with fsname, but that is not
6492 * called if explicit paths are specified on the command-line
6495 rc = llapi_get_fsname(mntdir, buf, buflen);
6496 } else /* if (opt_instance) */ {
6497 rc = llapi_get_instance(mntdir, buf, buflen);
6501 fprintf(stderr, "cannot get instance for '%s': %s\n",
6502 mntdir, strerror(-rc));
6507 printf("%s %s\n", buf, mntdir);
6509 printf("%s\n", buf);
6514 static int lfs_getname(int argc, char **argv)
6516 struct option long_opts[] = {
6517 { .val = 'h', .name = "help", .has_arg = no_argument },
6518 { .val = 'i', .name = "instance", .has_arg = no_argument },
6519 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6521 bool opt_instance = false, opt_fsname = false;
6522 char fsname[PATH_MAX] = "";
6525 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6528 opt_instance = true;
6539 if (optind == argc) { /* no paths specified, get all paths. */
6540 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6543 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6544 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6545 opt_instance, opt_fsname, true);
6548 path[0] = fsname[0] = mntdir[0] = '\0';
6550 } else { /* paths specified, only attempt to search these. */
6553 /* if only one path is given, print only requested info */
6554 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6556 for (; optind < argc; optind++) {
6557 rc2 = print_instance(argv[optind], fsname,
6558 sizeof(fsname), opt_instance,
6559 opt_fsname, opt_mntdir);
6569 static int lfs_check(int argc, char **argv)
6571 char mntdir[PATH_MAX] = {'\0'};
6580 fprintf(stderr, "%s check: server type must be specified\n",
6585 obd_types[0] = obd_type1;
6586 obd_types[1] = obd_type2;
6587 obd_types[2] = obd_type3;
6589 if (strcmp(argv[1], "osts") == 0) {
6590 strcpy(obd_types[0], "osc");
6591 } else if (strcmp(argv[1], "mdts") == 0 ||
6592 strcmp(argv[1], "mds") == 0) {
6593 strcpy(obd_types[0], "mdc");
6594 } else if (strcmp(argv[1], "mgts") == 0) {
6595 strcpy(obd_types[0], "mgc");
6596 } else if (strcmp(argv[1], "all") == 0 ||
6597 strcmp(argv[1], "servers") == 0) {
6599 strcpy(obd_types[0], "osc");
6600 strcpy(obd_types[1], "mdc");
6601 strcpy(obd_types[2], "mgc");
6603 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6608 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6609 if (rc < 0 || mntdir[0] == '\0') {
6611 "%s check: cannot find mounted Lustre filesystem: %s\n",
6612 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6616 rc = llapi_target_check(num_types, obd_types, mntdir);
6618 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6619 progname, argv[1], strerror(-rc));
6624 #ifdef HAVE_SYS_QUOTA_H
6625 #define ADD_OVERFLOW(a, b) \
6626 ((((a) + (b)) < (a)) ? \
6627 ((a) = ULONG_MAX) : ((a) = (a) + (b)))
6629 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6630 * returns the value or ULONG_MAX on integer overflow or incorrect format
6632 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6633 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6634 * 3. empty integer value is interpreted as 0
6636 static unsigned long str2sec(const char *timestr)
6638 const char spec[] = "smhdw";
6639 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6640 unsigned long val = 0;
6643 if (strpbrk(timestr, spec) == NULL) {
6645 * no specifiers inside the time string,
6646 * should treat it as an integer value
6648 val = strtoul(timestr, &tail, 10);
6649 return *tail ? ULONG_MAX : val;
6652 /* format string is XXwXXdXXhXXmXXs */
6658 v = strtoul(timestr, &tail, 10);
6659 if (v == ULONG_MAX || *tail == '\0')
6661 * value too large (ULONG_MAX or more)
6662 * or missing specifier
6666 ptr = strchr(spec, *tail);
6668 /* unknown specifier */
6673 /* check if product will overflow the type */
6674 if (!(v < ULONG_MAX / mult[ind]))
6677 ADD_OVERFLOW(val, mult[ind] * v);
6678 if (val == ULONG_MAX)
6690 #define ARG2ULL(nr, str, def_units) \
6692 unsigned long long limit, units = def_units; \
6695 rc = llapi_parse_size(str, &limit, &units, 1); \
6697 fprintf(stderr, "%s: invalid limit '%s'\n", \
6704 static inline int has_times_option(int argc, char **argv)
6708 for (i = 1; i < argc; i++)
6709 if (!strcmp(argv[i], "-t"))
6715 static inline int lfs_verify_poolarg(char *pool)
6717 if (strnlen(optarg, LOV_MAXPOOLNAME + 1) > LOV_MAXPOOLNAME) {
6719 "Pool name '%.*s' is longer than %d\n",
6720 LOV_MAXPOOLNAME, pool, LOV_MAXPOOLNAME);
6726 int lfs_setquota_times(int argc, char **argv, struct if_quotactl *qctl)
6729 char *mnt, *obd_type = (char *)qctl->obd_type;
6730 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6731 struct obd_dqinfo *dqi = &qctl->qc_dqinfo;
6732 struct option long_opts[] = {
6733 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6734 { .val = 'g', .name = "group", .has_arg = no_argument },
6735 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6736 { .val = 'p', .name = "projid", .has_arg = no_argument },
6737 { .val = 't', .name = "times", .has_arg = no_argument },
6738 { .val = 'u', .name = "user", .has_arg = no_argument },
6739 { .val = 'o', .name = "pool", .has_arg = required_argument },
6743 qctl->qc_cmd = LUSTRE_Q_SETINFO;
6744 qctl->qc_type = ALLQUOTA;
6746 while ((c = getopt_long(argc, argv, "b:gi:ptuo:",
6747 long_opts, NULL)) != -1) {
6758 if (qctl->qc_type != ALLQUOTA) {
6760 "error: -u/g/p can't be used more than once\n");
6763 qctl->qc_type = qtype;
6766 if (strncmp(optarg, NOTIFY_GRACE,
6767 strlen(NOTIFY_GRACE)) == 0) {
6768 dqi->dqi_bgrace = NOTIFY_GRACE_TIME;
6770 dqi->dqi_bgrace = str2sec(optarg);
6771 if (dqi->dqi_bgrace >= NOTIFY_GRACE_TIME) {
6773 "error: bad block-grace: %s\n",
6778 dqb->dqb_valid |= QIF_BTIME;
6781 if (strncmp(optarg, NOTIFY_GRACE,
6782 strlen(NOTIFY_GRACE)) == 0) {
6783 dqi->dqi_igrace = NOTIFY_GRACE_TIME;
6785 dqi->dqi_igrace = str2sec(optarg);
6786 if (dqi->dqi_igrace >= NOTIFY_GRACE_TIME) {
6788 "error: bad inode-grace: %s\n",
6793 dqb->dqb_valid |= QIF_ITIME;
6795 case 't': /* Yes, of course! */
6798 if (lfs_verify_poolarg(optarg))
6801 "Trying to set grace for pool %s\n", optarg);
6802 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
6803 qctl->qc_cmd = LUSTRE_Q_SETINFOPOOL;
6805 /* getopt prints error message for us when opterr != 0 */
6811 if (qctl->qc_type == ALLQUOTA) {
6812 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6816 if (optind != argc - 1) {
6817 fprintf(stderr, "error: unexpected parameters encountered\n");
6822 rc = llapi_quotactl(mnt, qctl);
6825 fprintf(stderr, "%s %s ", obd_type,
6826 obd_uuid2str(&qctl->obd_uuid));
6827 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6834 #define BSLIMIT (1 << 0)
6835 #define BHLIMIT (1 << 1)
6836 #define ISLIMIT (1 << 2)
6837 #define IHLIMIT (1 << 3)
6839 int lfs_setquota(int argc, char **argv)
6842 struct if_quotactl *qctl;
6843 char *mnt, *obd_type;
6844 struct obd_dqblk *dqb;
6845 struct option long_opts[] = {
6846 { .val = 'b', .name = "block-softlimit",
6847 .has_arg = required_argument },
6848 { .val = 'B', .name = "block-hardlimit",
6849 .has_arg = required_argument },
6850 { .val = 'd', .name = "default", .has_arg = no_argument },
6851 { .val = 'g', .name = "group", .has_arg = required_argument },
6852 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6853 { .val = 'i', .name = "inode-softlimit",
6854 .has_arg = required_argument },
6855 { .val = 'I', .name = "inode-hardlimit",
6856 .has_arg = required_argument },
6857 { .val = 'p', .name = "projid", .has_arg = required_argument },
6858 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6859 { .val = 'u', .name = "user", .has_arg = required_argument },
6860 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6861 { .val = 'o', .name = "pool", .has_arg = required_argument },
6863 unsigned int limit_mask = 0;
6864 bool use_default = false;
6865 int qtype, qctl_len;
6867 qctl_len = sizeof(*qctl) + LOV_MAXPOOLNAME + 1;
6868 qctl = malloc(qctl_len);
6872 memset(qctl, 0, qctl_len);
6873 obd_type = (char *)qctl->obd_type;
6874 dqb = &qctl->qc_dqblk;
6876 if (has_times_option(argc, argv)) {
6877 rc = lfs_setquota_times(argc, argv, qctl);
6881 qctl->qc_cmd = LUSTRE_Q_SETQUOTA;
6882 qctl->qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6883 * so it can be used as a marker that qc_type
6884 * isn't reinitialized from command line
6887 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:Uo:",
6888 long_opts, NULL)) != -1) {
6891 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6894 goto quota_type_def;
6897 rc = name2uid(&qctl->qc_id, optarg);
6900 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6903 goto quota_type_def;
6906 rc = name2gid(&qctl->qc_id, optarg);
6909 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6912 goto quota_type_def;
6915 rc = name2projid(&qctl->qc_id, optarg);
6918 if (str2quotaid(&qctl->qc_id, optarg)) {
6920 "%s setquota: invalid id '%s'\n",
6927 if (qctl->qc_id == 0) {
6929 "%s setquota: can't set quota for root usr/group/project.\n",
6936 if (qctl->qc_type != ALLQUOTA) {
6938 "%s setquota: only one of -u, -U, -g, -G, -p or -P may be specified\n",
6943 qctl->qc_type = qtype;
6946 qctl->qc_cmd = LUSTRE_Q_SETDEFAULT;
6950 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6951 dqb->dqb_bsoftlimit >>= 10;
6952 limit_mask |= BSLIMIT;
6953 if (dqb->dqb_bsoftlimit &&
6954 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6956 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\nSee '%s help setquota' or Lustre manual for details\n",
6958 (unsigned long long)dqb->dqb_bsoftlimit,
6962 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6963 dqb->dqb_bhardlimit >>= 10;
6964 limit_mask |= BHLIMIT;
6965 if (dqb->dqb_bhardlimit &&
6966 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6968 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6969 "See '%s help setquota' or Lustre manual for details\n",
6971 (unsigned long long)dqb->dqb_bhardlimit,
6975 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6976 limit_mask |= ISLIMIT;
6977 if (dqb->dqb_isoftlimit &&
6978 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6980 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\nSee '%s help setquota' or Lustre manual for details\n",
6982 (unsigned long long)dqb->dqb_isoftlimit,
6986 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6987 limit_mask |= IHLIMIT;
6988 if (dqb->dqb_ihardlimit &&
6989 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6991 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\nSee '%s help setquota' or Lustre manual for details\n",
6993 (unsigned long long)dqb->dqb_ihardlimit,
6997 if (lfs_verify_poolarg(optarg)) {
7002 "Trying to set quota for pool %s\n", optarg);
7003 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
7004 qctl->qc_cmd = LUSTRE_Q_SETQUOTAPOOL;
7008 "%s setquota: unrecognized option '%s'\n",
7009 progname, argv[optind - 1]);
7015 if (qctl->qc_type == ALLQUOTA) {
7017 "%s setquota: either -u or -g must be specified\n",
7023 if (!use_default && limit_mask == 0) {
7025 "%s setquota: at least one limit must be specified\n",
7031 if (use_default && limit_mask != 0) {
7033 "%s setquota: limits should not be specified when using default quota\n",
7039 if (use_default && qctl->qc_id == 0) {
7041 "%s setquota: can not set default quota for root user/group/project\n",
7047 if (optind != argc - 1) {
7049 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
7050 progname, argv[optind]);
7058 dqb->dqb_bhardlimit = 0;
7059 dqb->dqb_bsoftlimit = 0;
7060 dqb->dqb_ihardlimit = 0;
7061 dqb->dqb_isoftlimit = 0;
7064 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
7065 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
7066 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
7067 /* sigh, we can't just set blimits/ilimits */
7068 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
7069 .qc_type = qctl->qc_type,
7070 .qc_id = qctl->qc_id};
7072 rc = llapi_quotactl(mnt, &tmp_qctl);
7076 if (!(limit_mask & BHLIMIT))
7077 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
7078 if (!(limit_mask & BSLIMIT))
7079 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
7080 if (!(limit_mask & IHLIMIT))
7081 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
7082 if (!(limit_mask & ISLIMIT))
7083 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
7085 /* Keep grace times if we have got no softlimit arguments */
7086 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
7087 dqb->dqb_valid |= QIF_BTIME;
7088 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
7091 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
7092 dqb->dqb_valid |= QIF_ITIME;
7093 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
7097 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
7098 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
7100 rc = llapi_quotactl(mnt, qctl);
7104 "%s setquota: cannot quotactl '%s' '%s': %s",
7106 obd_uuid2str(&qctl->obd_uuid), strerror(-rc));
7113 /* Converts seconds value into format string
7114 * result is returned in buf
7116 * 1. result is in descenting order: 1w2d3h4m5s
7117 * 2. zero fields are not filled (except for p. 3): 5d1s
7118 * 3. zero seconds value is presented as "0s"
7120 static char *__sec2str(time_t seconds, char *buf)
7122 const char spec[] = "smhdw";
7123 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
7128 for (i = ARRAY_SIZE(mult) - 1 ; i >= 0; i--) {
7129 c = seconds / mult[i];
7131 if (c > 0 || (i == 0 && buf == tail))
7132 tail += scnprintf(tail, 40-(tail-buf), "%lu%c", c,
7141 static void sec2str(time_t seconds, char *buf, int rc)
7148 tail = __sec2str(seconds, tail);
7150 if (rc && tail - buf < 39) {
7156 static void diff2str(time_t seconds, char *buf, time_t now)
7161 if (seconds <= now) {
7162 strcpy(buf, "none");
7165 __sec2str(seconds - now, buf);
7168 static void print_quota_title(char *name, struct if_quotactl *qctl,
7169 bool human_readable, bool show_default)
7172 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
7173 printf("%15s %8s%8s%8s %8s%8s%8s\n",
7174 "Filesystem", "bquota", "blimit", "bgrace",
7175 "iquota", "ilimit", "igrace");
7177 printf("Disk quotas for %s %s (%cid %u):\n",
7178 qtype_name(qctl->qc_type), name,
7179 *qtype_name(qctl->qc_type), qctl->qc_id);
7180 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
7181 "Filesystem", human_readable ? "used" : "kbytes",
7182 "quota", "limit", "grace",
7183 "files", "quota", "limit", "grace");
7187 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
7190 snprintf(buf, buflen, "%ju", (uintmax_t)num);
7193 snprintf(buf, buflen, "%5.4gP",
7194 (double)num / ((__u64)1 << 40));
7196 snprintf(buf, buflen, "%5.4gT",
7197 (double)num / (1 << 30));
7199 snprintf(buf, buflen, "%5.4gG",
7200 (double)num / (1 << 20));
7202 snprintf(buf, buflen, "%5.4gM",
7203 (double)num / (1 << 10));
7205 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
7209 #define STRBUF_LEN 32
7210 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
7211 int rc, bool h, bool show_default)
7217 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
7218 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ||
7219 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
7220 int bover = 0, iover = 0;
7221 struct obd_dqblk *dqb = &qctl->qc_dqblk;
7222 char numbuf[3][STRBUF_LEN];
7224 char strbuf[STRBUF_LEN];
7226 if (dqb->dqb_bhardlimit &&
7227 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
7229 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
7230 if (dqb->dqb_btime > now)
7236 if (dqb->dqb_ihardlimit &&
7237 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
7239 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
7240 if (dqb->dqb_itime > now)
7246 if (strlen(mnt) > 15)
7247 printf("%s\n%15s", mnt, "");
7249 printf("%15s", mnt);
7252 diff2str(dqb->dqb_btime, timebuf, now);
7253 else if (show_default)
7254 snprintf(timebuf, sizeof(timebuf), "%llu",
7255 (unsigned long long)dqb->dqb_btime);
7257 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
7258 strbuf, sizeof(strbuf), h);
7259 if (rc == -EREMOTEIO)
7260 sprintf(numbuf[0], "%s*", strbuf);
7262 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
7263 "%s" : "[%s]", strbuf);
7265 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
7266 if (type == QC_GENERAL)
7267 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
7268 "%s" : "[%s]", strbuf);
7270 sprintf(numbuf[1], "%s", "-");
7272 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
7273 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
7274 "%s" : "[%s]", strbuf);
7277 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
7279 printf(" %7s%c %6s %7s %7s",
7280 numbuf[0], bover ? '*' : ' ', numbuf[1],
7281 numbuf[2], bover > 1 ? timebuf : "-");
7284 diff2str(dqb->dqb_itime, timebuf, now);
7285 else if (show_default)
7286 snprintf(timebuf, sizeof(timebuf), "%llu",
7287 (unsigned long long)dqb->dqb_itime);
7289 snprintf(numbuf[0], sizeof(numbuf),
7290 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
7291 (uintmax_t)dqb->dqb_curinodes);
7293 if (type == QC_GENERAL)
7294 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
7296 (uintmax_t)dqb->dqb_isoftlimit);
7298 sprintf(numbuf[1], "%s", "-");
7300 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
7301 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
7304 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
7305 else if (type != QC_OSTIDX)
7306 printf(" %7s%c %6s %7s %7s",
7307 numbuf[0], iover ? '*' : ' ', numbuf[1],
7308 numbuf[2], iover > 1 ? timebuf : "-");
7310 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
7312 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO || LUSTRE_Q_GETINFOPOOL ||
7313 qctl->qc_cmd == Q_GETOINFO) {
7317 if (qctl->qc_dqinfo.dqi_bgrace == NOTIFY_GRACE_TIME)
7318 strncpy(bgtimebuf, NOTIFY_GRACE, 40);
7320 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
7321 if (qctl->qc_dqinfo.dqi_igrace == NOTIFY_GRACE_TIME)
7322 strncpy(igtimebuf, NOTIFY_GRACE, 40);
7324 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
7326 printf("Block grace time: %s; Inode grace time: %s\n",
7327 bgtimebuf, igtimebuf);
7331 static int tgt_name2index(const char *tgtname, unsigned int *idx)
7335 /* format is "lustre-OST0001" */
7336 dash = memchr(tgtname, '-', LUSTRE_MAXFSNAME + 1);
7338 fprintf(stderr, "wrong tgtname format '%s'\n", tgtname);
7343 *idx = strtoul(dash, &endp, 16);
7344 if (*idx > 0xffff) {
7345 fprintf(stderr, "wrong index %s\n", tgtname);
7352 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
7353 bool h, __u64 *total)
7355 int rc = 0, rc1 = 0, count = 0, i = 0;
7356 char **list = NULL, *buffer = NULL;
7357 __u32 valid = qctl->qc_valid;
7359 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL && is_mdt)
7362 /* Is it correct for the case OST0000, OST0002, OST0003 -
7363 * we will ask OST0001 that is absent and won't ask OST0003? */
7364 rc = llapi_get_obd_count(mnt, &count, is_mdt);
7366 fprintf(stderr, "can not get %s count: %s\n",
7367 is_mdt ? "mdt" : "ost", strerror(-rc));
7371 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
7372 char fname[PATH_MAX];
7373 char fsname[LUSTRE_MAXFSNAME + 1];
7374 int bufsize = sizeof(struct obd_uuid) * count;
7376 rc = llapi_search_fsname(mnt, fsname);
7378 fprintf(stderr, "cannot get fsname for mountpoint %s\n",
7382 buffer = malloc(bufsize + sizeof(*list) * count);
7385 list = (char **)(buffer + bufsize);
7386 snprintf(fname, PATH_MAX, "%s.%s", fsname, qctl->qc_poolname);
7387 count = llapi_get_poolmembers(fname, list, count,
7393 for (i = 0; i < count; i++) {
7394 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
7397 if (tgt_name2index(list[i], &index))
7399 qctl->qc_idx = index;
7404 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
7405 rc = llapi_quotactl(mnt, qctl);
7407 /* It is remote client case. */
7408 if (rc == -EOPNOTSUPP) {
7415 fprintf(stderr, "quotactl %s%d failed.\n",
7416 is_mdt ? "mdt" : "ost", qctl->qc_idx);
7420 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
7421 qctl->qc_valid, 0, h, false);
7422 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
7423 qctl->qc_dqblk.dqb_bhardlimit;
7428 qctl->qc_valid = valid;
7432 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
7433 int verbose, int quiet, bool human_readable,
7436 int rc1 = 0, rc2 = 0, rc3 = 0;
7437 char *obd_type = (char *)qctl->obd_type;
7438 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
7439 __u64 total_ialloc = 0, total_balloc = 0;
7440 bool use_default_for_blk = false;
7441 bool use_default_for_file = false;
7444 rc1 = llapi_quotactl(mnt, qctl);
7448 fprintf(stderr, "%s quotas are not enabled.\n",
7449 qtype_name(qctl->qc_type));
7452 fprintf(stderr, "Permission denied.\n");
7455 /* We already got error message. */
7458 fprintf(stderr, "Unexpected quotactl error: %s\n",
7463 if (!show_default && qctl->qc_id == 0) {
7464 qctl->qc_dqblk.dqb_bhardlimit = 0;
7465 qctl->qc_dqblk.dqb_bsoftlimit = 0;
7466 qctl->qc_dqblk.dqb_ihardlimit = 0;
7467 qctl->qc_dqblk.dqb_isoftlimit = 0;
7468 qctl->qc_dqblk.dqb_btime = 0;
7469 qctl->qc_dqblk.dqb_itime = 0;
7470 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
7473 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
7474 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
7475 use_default_for_blk = true;
7476 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
7479 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
7480 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
7481 use_default_for_file = true;
7482 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7485 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7486 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL ||
7487 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7488 print_quota_title(name, qctl, human_readable, show_default);
7490 if (rc1 && *obd_type)
7491 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7493 if (qctl->qc_valid != QC_GENERAL)
7496 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7497 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) &&
7498 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7499 (QIF_LIMITS|QIF_USAGE));
7501 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7503 if (!show_default && verbose &&
7504 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO &&
7505 qctl->qc_cmd != LUSTRE_Q_GETINFOPOOL) {
7506 char strbuf[STRBUF_LEN];
7508 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7510 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7512 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7514 printf("Total allocated inode limit: %ju, total allocated block limit: %s\n",
7515 (uintmax_t)total_ialloc, strbuf);
7518 if (use_default_for_blk)
7519 printf("%cid %u is using default block quota setting\n",
7520 *qtype_name(qctl->qc_type), qctl->qc_id);
7522 if (use_default_for_file)
7523 printf("%cid %u is using default file quota setting\n",
7524 *qtype_name(qctl->qc_type), qctl->qc_id);
7526 if (rc1 || rc2 || rc3 || inacc)
7527 printf("Some errors happened when getting quota info. Some devices may be not working or deactivated. The data in \"[]\" is inaccurate.\n");
7541 static int lfs_project(int argc, char **argv)
7543 int ret = 0, err = 0, c, i;
7544 struct project_handle_control phc = { 0 };
7545 enum lfs_project_ops_t op;
7548 phc.assign_projid = false;
7549 /* default action */
7550 op = LFS_PROJECT_LIST;
7552 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7555 if (op != LFS_PROJECT_LIST) {
7557 "%s: cannot specify '-c' '-C' '-s' together\n",
7562 op = LFS_PROJECT_CHECK;
7565 if (op != LFS_PROJECT_LIST) {
7567 "%s: cannot specify '-c' '-C' '-s' together\n",
7572 op = LFS_PROJECT_CLEAR;
7575 if (op != LFS_PROJECT_LIST) {
7577 "%s: cannot specify '-c' '-C' '-s' together\n",
7582 phc.set_inherit = true;
7583 op = LFS_PROJECT_SET;
7589 phc.keep_projid = true;
7592 phc.recursive = true;
7595 if (str2quotaid(&phc.projid, optarg)) {
7597 "Invalid project ID: %s\n",
7602 phc.assign_projid = true;
7606 phc.newline = false;
7609 fprintf(stderr, "%s: invalid option '%c'\n",
7615 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7616 op = LFS_PROJECT_SET;
7617 phc.set_projid = true;
7618 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7619 phc.set_projid = true;
7623 case LFS_PROJECT_CHECK:
7624 if (phc.keep_projid) {
7626 "%s: '-k' is useless together with '-c'\n",
7631 case LFS_PROJECT_CLEAR:
7634 "%s: '-0' is useless together with '-C'\n",
7638 if (phc.assign_projid) {
7640 "%s: '-p' is useless together with '-C'\n",
7645 case LFS_PROJECT_SET:
7648 "%s: '-0' is useless together with '-s'\n",
7652 if (phc.keep_projid) {
7654 "%s: '-k' is useless together with '-s'\n",
7662 "%s: '-0' is useless for list operations\n",
7672 fprintf(stderr, "%s: missing file or directory target(s)\n",
7677 for (i = 0; i < argc; i++) {
7679 case LFS_PROJECT_CHECK:
7680 err = lfs_project_check(argv[i], &phc);
7682 case LFS_PROJECT_LIST:
7683 err = lfs_project_list(argv[i], &phc);
7685 case LFS_PROJECT_CLEAR:
7686 err = lfs_project_clear(argv[i], &phc);
7688 case LFS_PROJECT_SET:
7689 err = lfs_project_set(argv[i], &phc);
7701 static int lfs_quota(int argc, char **argv)
7704 char *mnt, *name = NULL;
7705 struct if_quotactl *qctl;
7707 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7708 __u32 valid = QC_GENERAL, idx = 0;
7709 bool human_readable = false;
7710 bool show_default = false;
7712 struct option long_opts[] = {
7713 { .val = 1, .name = "pool", .has_arg = required_argument },
7716 qctl = calloc(1, sizeof(*qctl) + LOV_MAXPOOLNAME + 1);
7720 qctl->qc_cmd = LUSTRE_Q_GETQUOTA;
7721 qctl->qc_type = ALLQUOTA;
7722 obd_uuid = (char *)qctl->obd_uuid.uuid;
7724 while ((c = getopt_long(argc, argv, "gGi:I:o:pPqtuUvh",
7725 long_opts, NULL)) != -1) {
7728 show_default = true;
7733 show_default = true;
7738 show_default = true;
7742 if (qctl->qc_type != ALLQUOTA) {
7744 "%s quota: only one of -u, -g, or -p may be specified\n",
7749 qctl->qc_type = qtype;
7752 qctl->qc_cmd = LUSTRE_Q_GETINFO;
7755 valid = qctl->qc_valid = QC_UUID;
7756 snprintf(obd_uuid, sizeof(*obd_uuid), "%s", optarg);
7759 valid = qctl->qc_valid = QC_MDTIDX;
7760 idx = qctl->qc_idx = atoi(optarg);
7761 if (idx == 0 && *optarg != '0') {
7763 "%s quota: invalid MDT index '%s'\n",
7770 valid = qctl->qc_valid = QC_OSTIDX;
7771 idx = qctl->qc_idx = atoi(optarg);
7772 if (idx == 0 && *optarg != '0') {
7774 "%s quota: invalid OST index '%s'\n",
7787 human_readable = true;
7790 if (lfs_verify_poolarg(optarg)) {
7794 strncpy(qctl->qc_poolname, optarg, LOV_MAXPOOLNAME);
7795 qctl->qc_cmd = qctl->qc_cmd == LUSTRE_Q_GETINFO ?
7796 LUSTRE_Q_GETINFOPOOL :
7797 LUSTRE_Q_GETQUOTAPOOL;
7800 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7801 progname, argv[optind - 1]);
7807 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7808 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7809 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) &&
7810 qctl->qc_type == ALLQUOTA &&
7811 optind == argc - 1 && !show_default) {
7814 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7815 qctl->qc_type = qtype;
7816 qctl->qc_valid = valid;
7817 if (qtype == USRQUOTA) {
7818 qctl->qc_id = geteuid();
7819 rc = uid2name(&name, qctl->qc_id);
7821 qctl->qc_id = getegid();
7822 rc = gid2name(&name, qctl->qc_id);
7823 memset(&qctl->qc_dqblk, 0,
7824 sizeof(qctl->qc_dqblk));
7829 rc1 = get_print_quota(mnt, name, qctl, verbose, quiet,
7830 human_readable, show_default);
7835 /* lfs quota -u username /path/to/lustre/mount */
7836 } else if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7837 qctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
7838 /* options should be followed by u/g-name and mntpoint */
7839 if ((!show_default && optind + 2 != argc) ||
7840 (show_default && optind + 1 != argc) ||
7841 qctl->qc_type == ALLQUOTA) {
7843 "%s quota: name and mount point must be specified\n",
7849 if (!show_default) {
7850 name = argv[optind++];
7851 switch (qctl->qc_type) {
7853 rc = name2uid(&qctl->qc_id, name);
7856 rc = name2gid(&qctl->qc_id, name);
7859 rc = name2projid(&qctl->qc_id, name);
7866 qctl->qc_valid = QC_GENERAL;
7867 qctl->qc_cmd = LUSTRE_Q_GETDEFAULT;
7872 if (str2quotaid(&qctl->qc_id, name)) {
7873 fprintf(stderr, "%s quota: invalid id '%s'\n",
7879 } else if (optind + 1 != argc || qctl->qc_type == ALLQUOTA) {
7880 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7887 rc = get_print_quota(mnt, name, qctl, verbose, quiet,
7888 human_readable, show_default);
7893 #endif /* HAVE_SYS_QUOTA_H! */
7895 static int flushctx_ioctl(char *mp)
7899 fd = open(mp, O_RDONLY);
7901 fprintf(stderr, "flushctx: error open %s: %s\n",
7902 mp, strerror(errno));
7906 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7908 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7909 mp, strerror(errno));
7915 static int lfs_flushctx(int argc, char **argv)
7917 int kdestroy = 0, c;
7918 char mntdir[PATH_MAX] = {'\0'};
7922 while ((c = getopt(argc, argv, "k")) != -1) {
7929 "error: %s: option '-%c' unrecognized\n",
7936 rc = system("kdestroy > /dev/null");
7938 rc = WEXITSTATUS(rc);
7940 "error destroying tickets: %d, continuing\n",
7945 if (optind >= argc) {
7946 /* flush for all mounted lustre fs. */
7947 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7948 /* Check if we have a mount point */
7949 if (mntdir[0] == '\0')
7952 if (flushctx_ioctl(mntdir))
7955 mntdir[0] = '\0'; /* avoid matching in next loop */
7958 /* flush fs as specified */
7959 while (optind < argc) {
7960 if (flushctx_ioctl(argv[optind++]))
7967 static int lfs_changelog(int argc, char **argv)
7969 void *changelog_priv;
7970 struct changelog_rec *rec;
7971 long long startrec = 0, endrec = 0;
7973 struct option long_opts[] = {
7974 { .val = 'f', .name = "follow", .has_arg = no_argument },
7976 char short_opts[] = "f";
7979 while ((rc = getopt_long(argc, argv, short_opts,
7980 long_opts, NULL)) != -1) {
7987 "%s changelog: unrecognized option '%s'\n",
7988 progname, argv[optind - 1]);
7992 if (optind >= argc) {
7993 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7998 mdd = argv[optind++];
8000 startrec = strtoll(argv[optind++], NULL, 10);
8002 endrec = strtoll(argv[optind++], NULL, 10);
8004 rc = llapi_changelog_start(&changelog_priv,
8005 CHANGELOG_FLAG_BLOCK |
8006 CHANGELOG_FLAG_JOBID |
8007 CHANGELOG_FLAG_EXTRA_FLAGS |
8008 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
8011 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
8012 progname, strerror(errno = -rc));
8016 rc = llapi_changelog_set_xflags(changelog_priv,
8017 CHANGELOG_EXTRA_FLAG_UIDGID |
8018 CHANGELOG_EXTRA_FLAG_NID |
8019 CHANGELOG_EXTRA_FLAG_OMODE |
8020 CHANGELOG_EXTRA_FLAG_XATTR);
8023 "%s changelog: cannot set xflags for changelog: %s\n",
8024 progname, strerror(errno = -rc));
8028 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
8032 if (endrec && rec->cr_index > endrec) {
8033 llapi_changelog_free(&rec);
8036 if (rec->cr_index < startrec) {
8037 llapi_changelog_free(&rec);
8041 secs = rec->cr_time >> 30;
8042 gmtime_r(&secs, &ts);
8043 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
8044 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
8045 changelog_type2str(rec->cr_type),
8046 ts.tm_hour, ts.tm_min, ts.tm_sec,
8047 (int)(rec->cr_time & ((1 << 30) - 1)),
8048 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
8049 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
8051 if (rec->cr_flags & CLF_JOBID) {
8052 struct changelog_ext_jobid *jid =
8053 changelog_rec_jobid(rec);
8055 if (jid->cr_jobid[0] != '\0')
8056 printf(" j=%s", jid->cr_jobid);
8059 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
8060 struct changelog_ext_extra_flags *ef =
8061 changelog_rec_extra_flags(rec);
8063 printf(" ef=0x%llx",
8064 (unsigned long long)ef->cr_extra_flags);
8066 if (ef->cr_extra_flags & CLFE_UIDGID) {
8067 struct changelog_ext_uidgid *uidgid =
8068 changelog_rec_uidgid(rec);
8070 printf(" u=%llu:%llu",
8071 (unsigned long long)uidgid->cr_uid,
8072 (unsigned long long)uidgid->cr_gid);
8074 if (ef->cr_extra_flags & CLFE_NID) {
8075 struct changelog_ext_nid *nid =
8076 changelog_rec_nid(rec);
8079 libcfs_nid2str(nid->cr_nid));
8082 if (ef->cr_extra_flags & CLFE_OPEN) {
8083 struct changelog_ext_openmode *omd =
8084 changelog_rec_openmode(rec);
8085 char mode[] = "---";
8087 /* exec mode must be exclusive */
8088 if (omd->cr_openflags & MDS_FMODE_EXEC) {
8091 if (omd->cr_openflags & MDS_FMODE_READ)
8093 if (omd->cr_openflags &
8100 if (strcmp(mode, "---") != 0)
8101 printf(" m=%s", mode);
8104 if (ef->cr_extra_flags & CLFE_XATTR) {
8105 struct changelog_ext_xattr *xattr =
8106 changelog_rec_xattr(rec);
8108 if (xattr->cr_xattr[0] != '\0')
8109 printf(" x=%s", xattr->cr_xattr);
8113 if (rec->cr_namelen)
8114 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
8115 rec->cr_namelen, changelog_rec_name(rec));
8117 if (rec->cr_flags & CLF_RENAME) {
8118 struct changelog_ext_rename *rnm =
8119 changelog_rec_rename(rec);
8121 if (!fid_is_zero(&rnm->cr_sfid))
8122 printf(" s="DFID" sp="DFID" %.*s",
8123 PFID(&rnm->cr_sfid),
8124 PFID(&rnm->cr_spfid),
8125 (int)changelog_rec_snamelen(rec),
8126 changelog_rec_sname(rec));
8130 llapi_changelog_free(&rec);
8133 llapi_changelog_fini(&changelog_priv);
8136 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
8137 progname, strerror(errno = -rc));
8139 return (rc == 1 ? 0 : rc);
8142 static int lfs_changelog_clear(int argc, char **argv)
8150 endrec = strtoll(argv[3], NULL, 10);
8152 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
8155 fprintf(stderr, "%s: record out of range: %llu\n",
8157 else if (rc == -ENOENT)
8158 fprintf(stderr, "%s: no changelog user: %s\n",
8161 fprintf(stderr, "%s error: %s\n", argv[0],
8170 static int lfs_fid2path(int argc, char **argv)
8172 struct option long_opts[] = {
8173 { .val = 'c', .name = "cur", .has_arg = no_argument },
8174 { .val = 'l', .name = "link", .has_arg = required_argument },
8175 { .val = 'r', .name = "rec", .has_arg = required_argument },
8177 char short_opts[] = "cl:r:";
8178 char mntdir[PATH_MAX];
8179 char *device, *fid, *path, *rootpath;
8180 long long recno = -1;
8185 char *endptr = NULL;
8187 while ((rc = getopt_long(argc, argv, short_opts,
8188 long_opts, NULL)) != -1) {
8194 linkno = strtol(optarg, &endptr, 10);
8195 if (*endptr != '\0') {
8197 "%s fid2path: invalid linkno '%s'\n",
8203 recno = strtoll(optarg, &endptr, 10);
8204 if (*endptr != '\0') {
8206 "%s fid2path: invalid recno '%s'\n",
8213 "%s fid2path: unrecognized option '%s'\n",
8214 progname, argv[optind - 1]);
8221 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
8226 device = argv[optind++];
8227 path = calloc(1, PATH_MAX);
8231 "%s fid2path: cannot allocate memory for path: %s\n",
8232 progname, strerror(-rc));
8237 /* in case that device is not the mountpoint */
8238 if (device[0] == '/') {
8239 rc = llapi_search_mounts(device, 0, mntdir, NULL);
8244 "%s fid2path: %s has no mountpoint: %s\n",
8245 progname, device, strerror(-rc));
8249 while (optind < argc) {
8250 fid = argv[optind++];
8252 lnktmp = (linkno >= 0) ? linkno : 0;
8254 int oldtmp = lnktmp;
8255 long long rectmp = recno;
8258 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
8262 "%s fid2path: cannot find %s %s: %s\n",
8263 progname, device, fid,
8264 strerror(errno = -rc2));
8271 fprintf(stdout, "%lld ", rectmp);
8272 if (device[0] == '/') {
8273 fprintf(stdout, "%s", rootpath);
8274 if (rootpath[strlen(rootpath) - 1] != '/')
8275 fprintf(stdout, "/");
8276 } else if (path[0] == '\0') {
8277 fprintf(stdout, "/");
8279 fprintf(stdout, "%s\n", path);
8282 /* specified linkno */
8284 if (oldtmp == lnktmp)
8294 static int lfs_path2fid(int argc, char **argv)
8296 struct option long_opts[] = {
8297 { .val = 'p', .name = "parents", .has_arg = no_argument },
8300 const char short_opts[] = "p";
8301 const char *sep = "";
8304 bool show_parents = false;
8306 while ((rc = getopt_long(argc, argv, short_opts,
8307 long_opts, NULL)) != -1) {
8310 show_parents = true;
8314 "%s path2fid: unrecognized option '%s'\n",
8315 progname, argv[optind - 1]);
8320 if (optind > argc - 1) {
8321 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
8324 } else if (optind < argc - 1) {
8329 for (path = argv + optind; *path != NULL; path++) {
8332 if (!show_parents) {
8333 err = llapi_path2fid(*path, &fid);
8335 printf("%s%s"DFID"\n",
8336 *sep != '\0' ? *path : "", sep,
8339 char name[NAME_MAX + 1];
8340 unsigned int linkno = 0;
8342 while ((err = llapi_path2parent(*path, linkno, &fid,
8343 name, sizeof(name))) == 0) {
8344 if (*sep != '\0' && linkno == 0)
8345 printf("%s%s", *path, sep);
8347 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
8352 /* err == -ENODATA is end-of-loop */
8353 if (linkno > 0 && err == -ENODATA) {
8361 "%s path2fid: cannot get %sfid for '%s': %s\n",
8362 progname, show_parents ? "parent " : "", *path,
8374 #define MAX_ERRNO 4095
8375 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
8377 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
8381 rc = llapi_rmfid(device, fa);
8383 fprintf(stderr, "rmfid(): rc = %d\n", rc);
8387 for (k = 0; k < fa->fa_nr; k++) {
8388 rc = (__s32)fa->fa_fids[k].f_ver;
8389 if (!IS_ERR_VALUE(rc))
8395 fa->fa_fids[k].f_ver = 0;
8396 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
8397 PFID(&fa->fa_fids[k]), rc);
8403 static int lfs_rmfid(int argc, char **argv)
8405 char *fidstr, *device;
8406 int rc = 0, rc2, nr;
8407 struct fid_array *fa;
8409 if (optind > argc - 1) {
8410 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
8414 device = argv[optind++];
8417 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
8423 while (optind < argc) {
8426 fidstr = argv[optind++];
8427 while (*fidstr == '[')
8429 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
8431 fprintf(stderr, "unrecognized FID: %s\n",
8436 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
8437 /* start another batch */
8438 rc2 = lfs_rmfid_and_show_errors(device, fa);
8445 rc2 = lfs_rmfid_and_show_errors(device, fa);
8453 static int lfs_data_version(int argc, char **argv)
8460 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
8463 fprintf(stderr, "%s data_version: FILE must be specified\n",
8468 while ((c = getopt(argc, argv, "nrw")) != -1) {
8471 data_version_flags = 0;
8474 data_version_flags |= LL_DV_RD_FLUSH;
8477 data_version_flags |= LL_DV_WR_FLUSH;
8481 "%s data_version: unrecognized option '%s'\n",
8482 progname, argv[optind - 1]);
8486 if (optind == argc) {
8487 fprintf(stderr, "%s data_version: FILE must be specified\n",
8492 path = argv[optind];
8493 fd = open(path, O_RDONLY);
8496 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
8497 progname, path, strerror(-rc));
8501 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
8504 "%s data_version: cannot get version for '%s': %s\n",
8505 progname, path, strerror(-rc));
8507 printf("%ju" "\n", (uintmax_t)data_version);
8513 static int lfs_hsm_state(int argc, char **argv)
8518 struct hsm_user_state hus;
8526 rc = llapi_hsm_state_get(path, &hus);
8528 fprintf(stderr, "can't get hsm state for %s: %s\n",
8529 path, strerror(errno = -rc));
8533 /* Display path name and status flags */
8534 printf("%s: (0x%08x)", path, hus.hus_states);
8536 if (hus.hus_states & HS_RELEASED)
8537 printf(" released");
8538 if (hus.hus_states & HS_EXISTS)
8540 if (hus.hus_states & HS_DIRTY)
8542 if (hus.hus_states & HS_ARCHIVED)
8543 printf(" archived");
8544 /* Display user-settable flags */
8545 if (hus.hus_states & HS_NORELEASE)
8546 printf(" never_release");
8547 if (hus.hus_states & HS_NOARCHIVE)
8548 printf(" never_archive");
8549 if (hus.hus_states & HS_LOST)
8550 printf(" lost_from_hsm");
8552 if (hus.hus_archive_id != 0)
8553 printf(", archive_id:%d", hus.hus_archive_id);
8556 } while (++i < argc);
8561 #define LFS_HSM_SET 0
8562 #define LFS_HSM_CLEAR 1
8565 * Generic function to set or clear HSM flags.
8566 * Used by hsm_set and hsm_clear.
8568 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8570 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8572 struct option long_opts[] = {
8573 { .val = 'A', .name = "archived", .has_arg = no_argument },
8574 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8575 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8576 { .val = 'e', .name = "exists", .has_arg = no_argument },
8577 { .val = 'l', .name = "lost", .has_arg = no_argument },
8578 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8579 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8581 char short_opts[] = "lraAdei:";
8585 __u32 archive_id = 0;
8591 while ((c = getopt_long(argc, argv, short_opts,
8592 long_opts, NULL)) != -1) {
8598 mask |= HS_NOARCHIVE;
8601 mask |= HS_ARCHIVED;
8604 mask |= HS_NORELEASE;
8613 archive_id = strtol(optarg, &end, 10);
8615 fprintf(stderr, "invalid archive_id: '%s'\n",
8623 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8624 argv[0], argv[optind - 1]);
8629 /* User should have specified a flag */
8633 while (optind < argc) {
8634 path = argv[optind];
8636 /* If mode == 0, this means we apply the mask. */
8637 if (mode == LFS_HSM_SET)
8638 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8640 rc = llapi_hsm_state_set(path, 0, mask, 0);
8643 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8644 path, strerror(errno = -rc));
8653 static int lfs_hsm_action(int argc, char **argv)
8658 struct hsm_current_action hca;
8659 struct hsm_extent he;
8660 enum hsm_user_action hua;
8661 enum hsm_progress_states hps;
8669 rc = llapi_hsm_current_action(path, &hca);
8671 fprintf(stderr, "can't get hsm action for %s: %s\n",
8672 path, strerror(errno = -rc));
8675 he = hca.hca_location;
8676 hua = hca.hca_action;
8677 hps = hca.hca_state;
8679 printf("%s: %s", path, hsm_user_action2name(hua));
8681 /* Skip file without action */
8682 if (hca.hca_action == HUA_NONE) {
8687 printf(" %s ", hsm_progress_state2name(hps));
8689 if ((hps == HPS_RUNNING) &&
8690 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8691 printf("(%llu bytes moved)\n",
8692 (unsigned long long)he.length);
8693 else if ((he.offset + he.length) == LUSTRE_EOF)
8694 printf("(from %llu to EOF)\n",
8695 (unsigned long long)he.offset);
8697 printf("(from %llu to %llu)\n",
8698 (unsigned long long)he.offset,
8699 (unsigned long long)(he.offset + he.length));
8701 } while (++i < argc);
8706 static int lfs_hsm_set(int argc, char **argv)
8708 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8711 static int lfs_hsm_clear(int argc, char **argv)
8713 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8717 * Check file state and return its fid, to be used by lfs_hsm_request().
8719 * \param[in] file Path to file to check
8720 * \param[in,out] fid Pointer to allocated lu_fid struct.
8721 * \param[in,out] last_dev Pointer to last device id used.
8723 * \return 0 on success.
8725 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8731 rc = lstat(file, &st);
8733 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8737 * Checking for regular file as archiving as posix copytool
8738 * rejects archiving files other than regular files
8740 if (!S_ISREG(st.st_mode)) {
8741 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8744 /* A request should be ... */
8745 if (*last_dev != st.st_dev && *last_dev != 0) {
8747 "All files should be on the same filesystem: %s\n",
8751 *last_dev = st.st_dev;
8753 rc = llapi_path2fid(file, fid);
8755 fprintf(stderr, "Cannot read FID of %s: %s\n",
8756 file, strerror(-rc));
8762 /* Fill an HSM HUR item with a given file name.
8764 * If mntpath is set, then the filename is actually a FID, and no
8765 * lookup on the filesystem will be performed.
8767 * \param[in] hur the user request to fill
8768 * \param[in] idx index of the item inside the HUR to fill
8769 * \param[in] mntpath mountpoint of Lustre
8770 * \param[in] fname filename (if mtnpath is NULL)
8771 * or FID (if mntpath is set)
8772 * \param[in] last_dev pointer to last device id used
8774 * \retval 0 on success
8775 * \retval CMD_HELP or a negative errno on error
8777 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8778 const char *mntpath, const char *fname,
8781 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8784 hui->hui_extent.length = -1;
8787 rc = llapi_fid_parse(fname, &hui->hui_fid, NULL);
8789 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8792 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8796 hur->hur_request.hr_itemcount++;
8801 static int lfs_hsm_request(int argc, char **argv, int action)
8803 struct option long_opts[] = {
8804 { .val = 'a', .name = "archive", .has_arg = required_argument },
8805 { .val = 'D', .name = "data", .has_arg = required_argument },
8806 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8807 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8810 char short_opts[] = "l:D:a:m:";
8811 struct hsm_user_request *hur, *oldhur;
8816 char *filelist = NULL;
8817 char fullpath[PATH_MAX];
8818 char *opaque = NULL;
8822 int nbfile_alloc = 0;
8823 char *some_file = NULL;
8824 char *mntpath = NULL;
8830 while ((c = getopt_long(argc, argv, short_opts,
8831 long_opts, NULL)) != -1) {
8840 if (action != HUA_ARCHIVE &&
8841 action != HUA_REMOVE) {
8843 "error: -a is supported only when archiving or removing\n");
8846 archive_id = atoi(optarg);
8851 some_file = strdup(optarg);
8857 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8858 argv[0], argv[optind - 1]);
8863 /* All remaining args are files, so we have at least nbfile */
8864 nbfile = argc - optind;
8866 if ((nbfile == 0) && (!filelist))
8870 opaque_len = strlen(opaque);
8873 * Alloc the request structure with enough place to store all files
8874 * from command line.
8876 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8878 fprintf(stderr, "Cannot create the request: %s\n",
8882 nbfile_alloc = nbfile;
8884 hur->hur_request.hr_action = action;
8885 hur->hur_request.hr_archive_id = archive_id;
8886 hur->hur_request.hr_flags = 0;
8888 /* All remaining args are files, add them */
8889 if (nbfile != 0 && some_file == NULL)
8890 some_file = strdup(argv[optind]);
8892 for (i = 0; i < nbfile; i++) {
8893 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8899 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8901 /* If a filelist was specified, read the filelist from it. */
8903 fp = fopen(filelist, "r");
8905 fprintf(stderr, "Cannot read the file list %s: %s\n",
8906 filelist, strerror(errno));
8911 while ((rc = getline(&line, &len, fp)) != -1) {
8913 * If allocated buffer was too small, get something
8916 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8919 nbfile_alloc = nbfile_alloc * 2 + 1;
8921 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8925 "hsm: cannot allocate the request: %s\n",
8932 size = hur_len(oldhur);
8935 "hsm: cannot allocate %u files + %u bytes data\n",
8936 oldhur->hur_request.hr_itemcount,
8937 oldhur->hur_request.hr_data_len);
8944 memcpy(hur, oldhur, size);
8949 if (line[strlen(line) - 1] == '\n')
8950 line[strlen(line) - 1] = '\0';
8952 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8953 mntpath, line, &last_dev);
8969 /* If a --data was used, add it to the request */
8970 hur->hur_request.hr_data_len = opaque_len;
8972 memcpy(hur_data(hur), opaque, opaque_len);
8974 /* Send the HSM request */
8975 if (realpath(some_file, fullpath) == NULL) {
8976 fprintf(stderr, "Could not find path '%s': %s\n",
8977 some_file, strerror(errno));
8979 rc = llapi_hsm_request(fullpath, hur);
8981 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8982 some_file, strerror(-rc));
8992 static int lfs_hsm_archive(int argc, char **argv)
8994 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8997 static int lfs_hsm_restore(int argc, char **argv)
8999 return lfs_hsm_request(argc, argv, HUA_RESTORE);
9002 static int lfs_hsm_release(int argc, char **argv)
9004 return lfs_hsm_request(argc, argv, HUA_RELEASE);
9007 static int lfs_hsm_remove(int argc, char **argv)
9009 return lfs_hsm_request(argc, argv, HUA_REMOVE);
9012 static int lfs_hsm_cancel(int argc, char **argv)
9014 return lfs_hsm_request(argc, argv, HUA_CANCEL);
9017 static int lfs_swap_layouts(int argc, char **argv)
9022 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
9023 SWAP_LAYOUTS_KEEP_MTIME |
9024 SWAP_LAYOUTS_KEEP_ATIME);
9027 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
9029 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
9031 int lfs_get_mode(const char *string)
9033 enum lock_mode_user mode;
9035 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
9036 if (lock_mode_names[mode] == NULL)
9038 if (strcmp(string, lock_mode_names[mode]) == 0)
9045 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
9047 enum lu_ladvise_type advice;
9050 advice < ARRAY_SIZE(ladvise_names); advice++) {
9051 if (ladvise_names[advice] == NULL)
9053 if (strcmp(string, ladvise_names[advice]) == 0)
9057 return LU_LADVISE_INVALID;
9060 static int lfs_ladvise(int argc, char **argv)
9062 struct option long_opts[] = {
9063 { .val = 'a', .name = "advice", .has_arg = required_argument },
9064 { .val = 'b', .name = "background", .has_arg = no_argument },
9065 { .val = 'e', .name = "end", .has_arg = required_argument },
9066 { .val = 'l', .name = "length", .has_arg = required_argument },
9067 { .val = 'm', .name = "mode", .has_arg = required_argument },
9068 { .val = 's', .name = "start", .has_arg = required_argument },
9069 { .val = 'u', .name = "unset", .has_arg = no_argument },
9071 char short_opts[] = "a:be:l:m:s:u";
9076 struct llapi_lu_ladvise advice;
9077 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
9078 unsigned long long start = 0;
9079 unsigned long long end = LUSTRE_EOF;
9080 unsigned long long length = 0;
9081 unsigned long long size_units;
9082 unsigned long long flags = 0;
9086 while ((c = getopt_long(argc, argv, short_opts,
9087 long_opts, NULL)) != -1) {
9090 advice_type = lfs_get_ladvice(optarg);
9091 if (advice_type == LU_LADVISE_INVALID) {
9093 "%s: invalid advice type '%s'\n",
9095 fprintf(stderr, "Valid types:");
9097 for (advice_type = 0;
9098 advice_type < ARRAY_SIZE(ladvise_names);
9100 if (ladvise_names[advice_type] == NULL)
9102 fprintf(stderr, " %s",
9103 ladvise_names[advice_type]);
9105 fprintf(stderr, "\n");
9118 rc = llapi_parse_size(optarg, &end,
9121 fprintf(stderr, "%s: bad end offset '%s'\n",
9128 rc = llapi_parse_size(optarg, &start,
9132 "%s: bad start offset '%s'\n",
9139 rc = llapi_parse_size(optarg, &length,
9142 fprintf(stderr, "%s: bad length '%s'\n",
9148 mode = lfs_get_mode(optarg);
9151 "%s: bad mode '%s', valid modes are READ or WRITE\n",
9159 fprintf(stderr, "%s: option '%s' unrecognized\n",
9160 argv[0], argv[optind - 1]);
9165 if (advice_type == LU_LADVISE_INVALID) {
9166 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
9167 fprintf(stderr, "Valid types:");
9168 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
9170 if (ladvise_names[advice_type] == NULL)
9172 fprintf(stderr, " %s", ladvise_names[advice_type]);
9174 fprintf(stderr, "\n");
9178 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
9180 "%s: Lock no expand advice is a per file descriptor advice, so when called from lfs, it does nothing.\n",
9185 if (argc <= optind) {
9186 fprintf(stderr, "%s: please give one or more file names\n",
9191 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
9192 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
9197 if (end == LUSTRE_EOF && length != 0)
9198 end = start + length;
9201 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
9202 argv[0], start, end);
9206 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
9207 fprintf(stderr, "%s: mode is only valid with lockahead\n",
9212 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
9213 fprintf(stderr, "%s: mode is required with lockahead\n",
9218 while (optind < argc) {
9221 path = argv[optind++];
9223 fd = open(path, O_RDONLY);
9225 fprintf(stderr, "%s: cannot open file '%s': %s\n",
9226 argv[0], path, strerror(errno));
9231 advice.lla_start = start;
9232 advice.lla_end = end;
9233 advice.lla_advice = advice_type;
9234 advice.lla_value1 = 0;
9235 advice.lla_value2 = 0;
9236 advice.lla_value3 = 0;
9237 advice.lla_value4 = 0;
9238 if (advice_type == LU_LADVISE_LOCKAHEAD) {
9239 advice.lla_lockahead_mode = mode;
9240 advice.lla_peradvice_flags = flags;
9243 rc2 = llapi_ladvise(fd, flags, 1, &advice);
9247 "%s: cannot give advice '%s' to file '%s': %s\n",
9248 argv[0], ladvise_names[advice_type],
9249 path, strerror(errno));
9255 if (rc == 0 && rc2 < 0)
9261 static const char *const heat_names[] = LU_HEAT_NAMES;
9263 static int lfs_heat_get(int argc, char **argv)
9265 struct lu_heat *heat;
9274 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
9276 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
9281 while (optind < argc) {
9282 path = argv[optind++];
9284 fd = open(path, O_RDONLY);
9286 fprintf(stderr, "%s: cannot open file '%s': %s\n",
9287 argv[0], path, strerror(errno));
9292 heat->lh_count = OBD_HEAT_COUNT;
9293 rc2 = llapi_heat_get(fd, heat);
9297 "%s: cannot get heat of file '%s': %s\n",
9298 argv[0], path, strerror(errno));
9302 printf("flags: %x\n", heat->lh_flags);
9303 for (i = 0; i < heat->lh_count; i++)
9304 printf("%s: %llu\n", heat_names[i],
9305 (unsigned long long)heat->lh_heat[i]);
9307 if (rc == 0 && rc2 < 0)
9315 static int lfs_heat_set(int argc, char **argv)
9317 struct option long_opts[] = {
9318 { .val = 'c', .name = "clear", .has_arg = no_argument },
9319 { .val = 'o', .name = "off", .has_arg = no_argument },
9320 { .val = 'O', .name = "on", .has_arg = no_argument },
9322 enum lu_heat_flag flags = 0;
9332 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
9335 flags |= LU_HEAT_FLAG_CLEAR;
9338 flags |= LU_HEAT_FLAG_CLEAR;
9339 flags |= LU_HEAT_FLAG_OFF;
9342 flags &= ~LU_HEAT_FLAG_OFF;
9347 fprintf(stderr, "%s: option '%s' unrecognized\n",
9348 argv[0], argv[optind - 1]);
9353 if (argc <= optind) {
9354 fprintf(stderr, "%s: please give one or more file names\n",
9359 while (optind < argc) {
9360 path = argv[optind++];
9362 fd = open(path, O_RDONLY);
9364 fprintf(stderr, "%s: cannot open file '%s': %s\n",
9365 argv[0], path, strerror(errno));
9370 rc2 = llapi_heat_set(fd, flags);
9374 "%s: cannot setflags heat of file '%s': %s\n",
9375 argv[0], path, strerror(errno));
9379 if (rc == 0 && rc2 < 0)
9386 * The input string contains a comma delimited list of component ids and
9387 * ranges, for example "1,2-4,7".
9389 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
9391 bool end_of_loop = false;
9399 while (!end_of_loop) {
9403 char *endptr = NULL;
9406 ptr = strchrnul(arg, ',');
9407 end_of_loop = *ptr == '\0';
9410 start_index = strtol(arg, &endptr, 0);
9411 if (endptr == arg) /* no data at all */
9413 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
9415 if (start_index < 0)
9418 end_index = start_index;
9419 if (*endptr == '-') {
9420 end_index = strtol(endptr + 1, &endptr, 0);
9421 if (*endptr != '\0')
9423 if (end_index < start_index)
9427 for (i = start_index; i <= end_index && size > 0; i++) {
9430 /* remove duplicate */
9431 for (j = 0; j < nr; j++) {
9435 if (j == nr) { /* no duplicate */
9441 if (size == 0 && i < end_index)
9448 if (!end_of_loop && ptr)
9451 return rc < 0 ? rc : nr;
9455 * struct verify_mirror_id - Mirror id to be verified.
9456 * @mirror_id: A specified mirror id.
9457 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
9459 struct verify_mirror_id {
9465 * compare_mirror_ids() - Compare mirror ids.
9466 * @layout: Mirror component list.
9467 * @cbdata: Callback data in verify_mirror_id structure.
9469 * This is a callback function called by llapi_layout_comp_iterate()
9470 * to compare the specified mirror id with the one in the current
9471 * component of @layout. If they are the same, then the specified
9472 * mirror id is valid.
9474 * Return: a negative error code on failure or
9475 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
9476 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
9479 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
9481 struct verify_mirror_id *mirror_id_cbdata =
9482 (struct verify_mirror_id *)cbdata;
9486 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9490 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9491 progname, strerror(errno));
9495 if (mirror_id_cbdata->mirror_id == mirror_id) {
9496 mirror_id_cbdata->is_valid_id = true;
9497 return LLAPI_LAYOUT_ITER_STOP;
9500 return LLAPI_LAYOUT_ITER_CONT;
9504 * verify_mirror_ids() - Verify specified mirror ids.
9505 * @fname: Mirrored file name.
9506 * @mirror_ids: Specified mirror ids to be verified.
9507 * @ids_nr: Number of specified mirror ids.
9509 * This function verifies that specified @mirror_ids are valid
9510 * in the mirrored file @fname.
9512 * Return: 0 on success or a negative error code on failure.
9515 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
9517 struct llapi_layout *layout = NULL;
9518 struct verify_mirror_id mirror_id_cbdata = { 0 };
9529 if (stat(fname, &stbuf) < 0) {
9530 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9531 progname, fname, strerror(errno));
9536 if (!S_ISREG(stbuf.st_mode)) {
9537 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9543 fd = open(fname, O_DIRECT | O_RDONLY);
9545 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9546 progname, fname, strerror(errno));
9551 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9553 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9554 progname, fname, strerror(errno));
9558 layout = llapi_layout_get_by_fd(fd, 0);
9560 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9561 progname, fname, strerror(errno));
9563 llapi_lease_release(fd);
9567 rc = llapi_layout_flags_get(layout, &flr_state);
9569 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9570 progname, fname, strerror(errno));
9575 flr_state &= LCM_FL_FLR_MASK;
9576 switch (flr_state) {
9579 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9580 progname, fname, llapi_layout_flags_string(flr_state));
9587 for (i = 0; i < ids_nr; i++) {
9588 mirror_id_cbdata.mirror_id = mirror_ids[i];
9589 mirror_id_cbdata.is_valid_id = false;
9591 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9596 "%s: '%s' failed to verify mirror id: %u.\n",
9597 progname, fname, mirror_ids[i]);
9601 if (!mirror_id_cbdata.is_valid_id) {
9604 "%s: '%s' invalid specified mirror id: %u.\n",
9605 progname, fname, mirror_ids[i]);
9611 llapi_layout_free(layout);
9612 llapi_lease_release(fd);
9620 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9621 __u16 *mirror_ids, int ids_nr)
9623 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9624 struct llapi_layout *layout;
9635 if (stat(fname, &stbuf) < 0) {
9636 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9637 progname, fname, strerror(errno));
9641 if (!S_ISREG(stbuf.st_mode)) {
9642 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9648 fd = open(fname, O_DIRECT | O_RDWR);
9650 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9651 progname, fname, strerror(errno));
9656 layout = llapi_layout_get_by_fd(fd, 0);
9658 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9659 progname, fname, strerror(errno));
9664 rc = llapi_layout_flags_get(layout, &flr_state);
9666 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9667 progname, fname, strerror(errno));
9672 flr_state &= LCM_FL_FLR_MASK;
9673 if (flr_state == LCM_FL_NONE) {
9675 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9680 /* get stale component info */
9681 comp_size = llapi_mirror_find_stale(layout, comp_array,
9682 ARRAY_SIZE(comp_array),
9683 mirror_ids, ids_nr);
9684 if (comp_size <= 0) {
9689 ioc->lil_mode = LL_LEASE_WRLCK;
9690 ioc->lil_flags = LL_LEASE_RESYNC;
9691 rc = llapi_lease_set(fd, ioc);
9693 if (rc == -EALREADY)
9697 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9698 progname, fname, strerror(-rc));
9702 /* get the read range [start, end) */
9703 start = comp_array[0].lrc_start;
9704 end = comp_array[0].lrc_end;
9705 for (idx = 1; idx < comp_size; idx++) {
9706 if (comp_array[idx].lrc_start < start)
9707 start = comp_array[idx].lrc_start;
9708 if (end < comp_array[idx].lrc_end)
9709 end = comp_array[idx].lrc_end;
9712 rc = llapi_lease_check(fd);
9713 if (rc != LL_LEASE_WRLCK) {
9714 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9719 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9722 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9723 progname, fname, strerror(-rc));
9725 /* need to do the lease unlock even resync fails */
9726 ioc->lil_mode = LL_LEASE_UNLCK;
9727 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9729 for (idx = 0; idx < comp_size; idx++) {
9730 if (comp_array[idx].lrc_synced) {
9731 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9736 rc2 = llapi_lease_set(fd, ioc);
9738 * llapi_lease_set returns lease mode when it request to unlock
9742 /* rc2 == 0 means lost lease lock */
9743 if (rc2 == 0 && rc == 0)
9745 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9747 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9751 llapi_layout_free(layout);
9758 static inline int lfs_mirror_resync(int argc, char **argv)
9760 struct ll_ioc_lease *ioc = NULL;
9761 __u16 mirror_ids[128] = { 0 };
9766 struct option long_opts[] = {
9767 { .val = 'o', .name = "only", .has_arg = required_argument },
9770 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9773 rc = parse_mirror_ids(mirror_ids,
9774 sizeof(mirror_ids) / sizeof(__u16),
9778 "%s: bad mirror ids '%s'.\n",
9785 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9786 argv[0], argv[optind - 1]);
9792 if (argc == optind) {
9793 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9798 if (ids_nr > 0 && argc > optind + 1) {
9800 "%s: option '--only' cannot be used upon multiple files.\n",
9807 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9812 /* set the lease on the file */
9813 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9815 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9816 argv[0], strerror(errno));
9821 for (; optind < argc; optind++) {
9822 rc = lfs_mirror_resync_file(argv[optind], ioc,
9823 mirror_ids, ids_nr);
9824 /* ignore previous file's error, continue with next file */
9827 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9835 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9837 struct llapi_layout *layout;
9840 layout = llapi_layout_get_by_fd(fd, 0);
9842 fprintf(stderr, "could not get layout.\n");
9846 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9848 fprintf(stderr, "failed to iterate layout\n");
9849 llapi_layout_free(layout);
9852 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9853 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9854 llapi_layout_free(layout);
9858 llapi_layout_free(layout);
9864 * Check whether two files are the same file
9865 * \retval 0 same file
9866 * \retval 1 not the same file
9867 * \retval <0 error code
9869 static inline int check_same_file(int fd, const char *f2)
9874 if (fstat(fd, &stbuf1) < 0)
9877 if (stat(f2, &stbuf2) < 0)
9880 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9881 stbuf1.st_ino == stbuf2.st_ino)
9887 static inline int lfs_mirror_read(int argc, char **argv)
9890 __u16 mirror_id = 0;
9891 const char *outfile = NULL;
9897 const size_t buflen = 4 << 20;
9899 struct option long_opts[] = {
9900 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9901 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9904 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9909 mirror_id = strtoul(optarg, &end, 0);
9910 if (*end != '\0' || mirror_id == 0) {
9912 "%s %s: invalid mirror ID '%s'\n",
9913 progname, argv[0], optarg);
9921 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9922 progname, argv[optind - 1]);
9927 if (argc == optind) {
9928 fprintf(stderr, "%s %s: no mirrored file provided\n",
9931 } else if (argc > optind + 1) {
9932 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9936 if (mirror_id == 0) {
9937 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9942 /* open mirror file */
9943 fname = argv[optind];
9944 fd = open(fname, O_DIRECT | O_RDONLY);
9946 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9947 progname, argv[0], fname, strerror(errno));
9951 /* verify mirror id */
9952 rc = verify_mirror_id_by_fd(fd, mirror_id);
9955 "%s %s: cannot find mirror with ID %u in '%s'\n",
9956 progname, argv[0], mirror_id, fname);
9960 /* open output file - O_EXCL ensures output is not the same as input */
9962 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9964 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9965 progname, argv[0], outfile, strerror(errno));
9970 outfd = STDOUT_FILENO;
9973 /* allocate buffer */
9974 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9976 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9977 progname, argv[0], rc);
9984 ssize_t written = 0;
9986 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9987 if (bytes_read < 0) {
9990 "%s %s: fail to read data from mirror %u: %s\n",
9991 progname, argv[0], mirror_id, strerror(-rc));
9996 if (bytes_read == 0)
9999 while (written < bytes_read) {
10002 written2 = write(outfd, buf + written,
10003 bytes_read - written);
10004 if (written2 < 0) {
10006 "%s %s: fail to write %s: %s\n",
10007 progname, argv[0], outfile ? : "STDOUT",
10012 written += written2;
10015 if (written != bytes_read) {
10017 "%s %s: written %ld bytes does not match with %ld read.\n",
10018 progname, argv[0], written, bytes_read);
10040 static inline int lfs_mirror_write(int argc, char **argv)
10043 __u16 mirror_id = 0;
10044 const char *inputfile = NULL;
10050 const size_t buflen = 4 << 20;
10052 size_t page_size = sysconf(_SC_PAGESIZE);
10053 struct ll_ioc_lease_id ioc;
10055 struct option long_opts[] = {
10056 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
10057 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
10058 { .name = NULL } };
10060 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
10065 mirror_id = strtoul(optarg, &end, 0);
10066 if (*end != '\0' || mirror_id == 0) {
10068 "%s %s: invalid mirror ID '%s'\n",
10069 progname, argv[0], optarg);
10074 inputfile = optarg;
10077 fprintf(stderr, "%s: option '%s' unrecognized\n",
10078 progname, argv[optind - 1]);
10083 if (argc == optind) {
10084 fprintf(stderr, "%s %s: no mirrored file provided\n",
10085 progname, argv[0]);
10087 } else if (argc > optind + 1) {
10088 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
10092 if (mirror_id == 0) {
10093 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
10094 progname, argv[0]);
10098 /* open mirror file */
10099 fname = argv[optind];
10100 fd = open(fname, O_DIRECT | O_WRONLY);
10102 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
10103 progname, argv[0], fname, strerror(errno));
10107 /* verify mirror id */
10108 rc = verify_mirror_id_by_fd(fd, mirror_id);
10111 "%s %s: cannot find mirror with ID %u in '%s'\n",
10112 progname, argv[0], mirror_id, fname);
10116 /* open input file */
10118 rc = check_same_file(fd, inputfile);
10121 "%s %s: input file cannot be the mirrored file\n",
10122 progname, argv[0]);
10128 inputfd = open(inputfile, O_RDONLY, 0644);
10130 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
10131 progname, argv[0], inputfile, strerror(errno));
10136 inputfd = STDIN_FILENO;
10139 /* allocate buffer */
10140 rc = posix_memalign(&buf, page_size, buflen);
10142 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
10143 progname, argv[0], rc);
10144 goto close_inputfd;
10147 /* prepare target mirror components instantiation */
10148 ioc.lil_mode = LL_LEASE_WRLCK;
10149 ioc.lil_flags = LL_LEASE_RESYNC;
10150 ioc.lil_mirror_id = mirror_id;
10151 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
10154 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
10155 progname, argv[0], fname, strerror(errno));
10161 ssize_t bytes_read;
10165 rc = llapi_lease_check(fd);
10166 if (rc != LL_LEASE_WRLCK) {
10167 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
10168 progname, argv[0], fname);
10172 bytes_read = read(inputfd, buf, buflen);
10173 if (bytes_read < 0) {
10176 "%s %s: fail to read data from '%s': %s\n",
10177 progname, argv[0], inputfile ? : "STDIN",
10184 if (bytes_read == 0)
10187 /* round up to page align to make direct IO happy. */
10188 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
10190 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
10195 "%s %s: fail to write to mirror %u: %s\n",
10196 progname, argv[0], mirror_id,
10204 if (pos & (page_size - 1)) {
10205 rc = llapi_mirror_truncate(fd, mirror_id, pos);
10210 ioc.lil_mode = LL_LEASE_UNLCK;
10211 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
10213 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
10218 "%s %s: release lease lock of '%s' failed: %s\n",
10219 progname, argv[0], fname, strerror(errno));
10236 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
10238 struct llapi_layout *layout;
10239 struct collect_ids_data cid = { .cid_ids = ids,
10241 .cid_exclude = exclude_id, };
10244 layout = llapi_layout_get_by_fd(fd, 0);
10246 fprintf(stderr, "could not get layout\n");
10250 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
10252 fprintf(stderr, "failed to iterate layout\n");
10253 llapi_layout_free(layout);
10257 llapi_layout_free(layout);
10259 return cid.cid_count;
10262 static inline int lfs_mirror_copy(int argc, char **argv)
10265 __u16 read_mirror_id = 0;
10266 __u16 ids[128] = { 0 };
10268 struct llapi_layout *layout = NULL;
10269 struct llapi_resync_comp comp_array[1024] = { { 0 } };
10276 struct ll_ioc_lease *ioc = NULL;
10277 struct ll_ioc_lease_id *resync_ioc;
10279 struct option long_opts[] = {
10280 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
10281 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
10282 { .name = NULL } };
10284 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
10289 read_mirror_id = strtoul(optarg, &end, 0);
10290 if (*end != '\0' || read_mirror_id == 0) {
10292 "%s %s: invalid read mirror ID '%s'\n",
10293 progname, argv[0], optarg);
10298 if (!strcmp(optarg, "-1")) {
10299 /* specify all other mirrors */
10300 ids[0] = (__u16)-1;
10303 count = parse_mirror_ids((__u16 *)ids,
10311 fprintf(stderr, "%s: option '%s' unrecognized\n",
10312 progname, argv[optind - 1]);
10317 if (argc == optind) {
10318 fprintf(stderr, "%s %s: no mirrored file provided\n",
10319 progname, argv[0]);
10321 } else if (argc > optind + 1) {
10322 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
10326 if (read_mirror_id == 0) {
10328 "%s %s: no valid read mirror ID %d is provided\n",
10329 progname, argv[0], read_mirror_id);
10335 "%s %s: no write mirror ID is provided\n",
10336 progname, argv[0]);
10340 for (i = 0; i < count; i++) {
10341 if (read_mirror_id == ids[i]) {
10343 "%s %s: read and write mirror ID cannot be the same\n",
10344 progname, argv[0]);
10349 /* open mirror file */
10350 fname = argv[optind];
10352 fd = open(fname, O_DIRECT | O_RDWR);
10354 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
10355 progname, argv[0], fname, strerror(errno));
10359 /* write to all other mirrors */
10360 if (ids[0] == (__u16)-1) {
10361 count = get_other_mirror_ids(fd, ids, read_mirror_id);
10365 "%s %s: failed to get other mirror ids in '%s': %d\n",
10366 progname, argv[0], fname, rc);
10371 /* verify mirror id */
10372 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
10375 "%s %s: cannot find mirror with ID %u in '%s'\n",
10376 progname, argv[0], read_mirror_id, fname);
10380 for (i = 0; i < count; i++) {
10381 rc = verify_mirror_id_by_fd(fd, ids[i]);
10384 "%s %s: cannot find mirror with ID %u in '%s'\n",
10385 progname, argv[0], ids[i], fname);
10390 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
10393 "%s %s: cannot alloc comp id array for ioc: %s\n",
10394 progname, argv[0], strerror(errno));
10399 /* get stale component info */
10400 layout = llapi_layout_get_by_fd(fd, 0);
10402 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
10403 progname, argv[0], fname, strerror(errno));
10407 comp_size = llapi_mirror_find_stale(layout, comp_array,
10408 ARRAY_SIZE(comp_array),
10410 llapi_layout_free(layout);
10411 if (comp_size < 0) {
10416 /* prepare target mirror components instantiation */
10417 resync_ioc = (struct ll_ioc_lease_id *)ioc;
10418 resync_ioc->lil_mode = LL_LEASE_WRLCK;
10419 resync_ioc->lil_flags = LL_LEASE_RESYNC;
10421 resync_ioc->lil_mirror_id = ids[0];
10423 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
10424 rc = llapi_lease_set(fd, ioc);
10427 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
10428 progname, argv[0], fname, strerror(errno));
10432 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
10435 fprintf(stderr, "%s %s: copy error: %d\n",
10436 progname, argv[0], rc);
10440 fprintf(stdout, "mirror copied successfully: ");
10441 for (i = 0; i < copied; i++)
10442 fprintf(stdout, "%d ", ids[i]);
10443 fprintf(stdout, "\n");
10445 ioc->lil_mode = LL_LEASE_UNLCK;
10446 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10447 ioc->lil_count = 0;
10448 for (i = 0; i < comp_size; i++) {
10451 for (j = 0; j < copied; j++) {
10452 if (comp_array[i].lrc_mirror_id != ids[j])
10455 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
10459 rc = llapi_lease_set(fd, ioc);
10464 "%s %s: release lease lock of '%s' failed: %s\n",
10465 progname, argv[0], fname, strerror(errno));
10480 * struct verify_chunk - Mirror chunk to be verified.
10481 * @chunk: [start, end) of the chunk.
10482 * @mirror_count: Number of mirror ids in @mirror_id array.
10483 * @mirror_id: Array of valid mirror ids that cover the chunk.
10485 struct verify_chunk {
10486 struct lu_extent chunk;
10487 unsigned int mirror_count;
10488 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
10492 * print_chunks() - Print chunk information.
10493 * @fname: Mirrored file name.
10494 * @chunks: Array of chunks.
10495 * @chunk_count: Number of chunks in @chunks array.
10497 * This function prints [start, end) of each chunk in @chunks
10498 * for mirrored file @fname, and also prints the valid mirror ids
10499 * that cover the chunk.
10504 void print_chunks(const char *fname, struct verify_chunk *chunks,
10510 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10511 for (i = 0; i < chunk_count; i++) {
10512 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10514 if (chunks[i].mirror_count == 0)
10515 fprintf(stdout, "\t[");
10517 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10518 for (j = 1; j < chunks[i].mirror_count; j++)
10519 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10521 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10523 fprintf(stdout, "\n");
10527 * print_checksums() - Print CRC-32 checksum values.
10528 * @chunk: A chunk and its corresponding valid mirror ids.
10529 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10531 * This function prints CRC-32 checksum values on @chunk for
10532 * each valid mirror that covers it.
10537 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10542 "CRC-32 checksum value for chunk "DEXT":\n",
10543 PEXT(&chunk->chunk));
10544 for (i = 0; i < chunk->mirror_count; i++)
10545 fprintf(stdout, "Mirror %u:\t%#lx\n",
10546 chunk->mirror_id[i], crc[i]);
10547 fprintf(stdout, "\n");
10551 * filter_mirror_id() - Filter specified mirror ids.
10552 * @chunks: Array of chunks.
10553 * @chunk_count: Number of chunks in @chunks array.
10554 * @mirror_ids: Specified mirror ids to be verified.
10555 * @ids_nr: Number of specified mirror ids.
10557 * This function scans valid mirror ids that cover each chunk in @chunks
10558 * and filters specified mirror ids.
10563 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10564 __u16 *mirror_ids, int ids_nr)
10569 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10570 unsigned int valid_count = 0;
10572 for (i = 0; i < chunk_count; i++) {
10573 if (chunks[i].mirror_count == 0)
10577 for (j = 0; j < ids_nr; j++) {
10578 for (k = 0; k < chunks[i].mirror_count; k++) {
10579 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10580 valid_id[valid_count] = mirror_ids[j];
10587 memcpy(chunks[i].mirror_id, valid_id,
10588 sizeof(__u16) * valid_count);
10589 chunks[i].mirror_count = valid_count;
10594 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10595 * @layout: Mirror component list.
10596 * @chunks: Array of chunks.
10597 * @chunks_size: Array size of @chunks.
10599 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10600 * to find out chunk segments and store them in @chunks array.
10602 * The @mirror_id array in each element of @chunks will store the valid
10603 * mirror ids that cover the chunk. If a mirror component covering the
10604 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10605 * will not be stored into the @mirror_id array, and the chunk for that
10606 * mirror will not be verified.
10608 * The @mirror_count in each element of @chunks will store the number of
10609 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10610 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10611 * indicates the chunk is valid in only one mirror. In both cases, the
10612 * chunk will not be verified.
10614 * Here is an example:
10616 * 0 1M 2M 3M 4M EOF
10617 * +------+-------------+--------------------+
10618 * | | | S | mirror1
10619 * +------+------+------+------+-------------+
10620 * | | S | S | | mirror2
10621 * +-------------+------+------+-------------+
10623 * prepared @chunks array will contain 5 elements:
10624 * (([0, 1M), [1, 2], 2),
10625 * ([1M, 2M), [1, 2], 2),
10626 * ([2M, 3M), [1], 1),
10627 * ([3M, 4M], [], 0),
10628 * ([4M, EOF), [2], 1))
10630 * Return: the actual array size of @chunks on success
10631 * or a negative error code on failure.
10634 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10635 struct verify_chunk *chunks,
10636 size_t chunks_size)
10640 uint32_t mirror_id;
10646 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10649 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10652 "%s: move to the first layout component: %s.\n",
10653 progname, strerror(errno));
10659 chunks[idx].chunk.e_end = LUSTRE_EOF;
10661 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10664 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10665 progname, strerror(errno));
10669 if (start > chunks[idx].chunk.e_start ||
10670 end <= chunks[idx].chunk.e_start)
10673 if (end < chunks[idx].chunk.e_end)
10674 chunks[idx].chunk.e_end = end;
10676 rc = llapi_layout_comp_flags_get(layout, &flags);
10679 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10680 progname, strerror(errno));
10684 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10687 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10690 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10691 progname, strerror(errno));
10695 chunks[idx].mirror_id[i] = mirror_id;
10697 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10699 "%s: mirror_id array is too small.\n",
10706 rc = llapi_layout_comp_use(layout,
10707 LLAPI_LAYOUT_COMP_USE_NEXT);
10710 "%s: move to the next layout component: %s.\n",
10711 progname, strerror(errno));
10714 } /* loop through all components */
10716 chunks[idx].mirror_count = i;
10718 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10722 if (idx >= chunks_size) {
10723 fprintf(stderr, "%s: chunks array is too small.\n",
10729 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10733 return rc < 0 ? rc : idx + 1;
10737 * lfs_mirror_verify_chunk() - Verify a chunk.
10738 * @fd: File descriptor of the mirrored file.
10739 * @file_size: Size of the mirrored file.
10740 * @chunk: A chunk and its corresponding valid mirror ids.
10741 * @verbose: Verbose mode.
10743 * This function verifies a @chunk contains exactly the same data
10744 * ammong the mirrors that cover it.
10746 * If @verbose is specified, then the function will print where the
10747 * differences are if the data do not match. Otherwise, it will
10748 * just return an error in that case.
10750 * Return: 0 on success or a negative error code on failure.
10753 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10754 struct verify_chunk *chunk, int verbose)
10756 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10758 size_t page_size = sysconf(_SC_PAGESIZE);
10759 ssize_t bytes_read;
10760 ssize_t bytes_done;
10764 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10768 if (file_size == 0)
10771 rc = posix_memalign(&buf, page_size, buflen);
10772 if (rc) /* error code is returned directly */
10776 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10777 PEXT(&chunk->chunk));
10778 for (i = 0; i < chunk->mirror_count; i++)
10779 fprintf(stdout, " %u", chunk->mirror_id[i]);
10780 fprintf(stdout, "\n");
10784 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10785 pos = chunk->chunk.e_start;
10786 while (bytes_done < count) {
10787 /* compute initial CRC-32 checksum */
10788 crc = crc32(0L, Z_NULL, 0);
10789 memset(crc_array, 0, sizeof(crc_array));
10792 for (i = 0; i < chunk->mirror_count; i++) {
10793 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10795 if (bytes_read < 0) {
10798 "%s: failed to read data from mirror %u: %s.\n",
10799 progname, chunk->mirror_id[i],
10804 /* compute new CRC-32 checksum */
10805 crc_array[i] = crc32(crc, buf, bytes_read);
10809 print_checksums(chunk, crc_array);
10811 /* compare CRC-32 checksum values */
10812 for (i = 1; i < chunk->mirror_count; i++) {
10813 if (crc_array[i] != crc_array[0]) {
10817 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10818 progname, PEXT(&chunk->chunk),
10819 chunk->mirror_id[0],
10820 chunk->mirror_id[i]);
10825 bytes_done += bytes_read;
10828 if (verbose > 1 && rc == 0) {
10829 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10830 PEXT(&chunk->chunk));
10831 for (i = 0; i < chunk->mirror_count; i++)
10832 fprintf(stdout, " %u", chunk->mirror_id[i]);
10833 fprintf(stdout, " PASS\n\n");
10842 * lfs_mirror_verify_file() - Verify a mirrored file.
10843 * @fname: Mirrored file name.
10844 * @mirror_ids: Specified mirror ids to be verified.
10845 * @ids_nr: Number of specified mirror ids.
10846 * @verbose: Verbose mode.
10848 * This function verifies that each SYNC mirror of a mirrored file
10849 * specified by @fname contains exactly the same data.
10851 * If @mirror_ids is specified, then the function will verify the
10852 * mirrors specified by @mirror_ids contain exactly the same data.
10854 * If @verbose is specified, then the function will print where the
10855 * differences are if the data do not match. Otherwise, it will
10856 * just return an error in that case.
10858 * Return: 0 on success or a negative error code on failure.
10861 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10864 struct verify_chunk chunks_array[1024] = { };
10865 struct llapi_layout *layout = NULL;
10867 uint32_t flr_state;
10869 int chunk_count = 0;
10875 if (stat(fname, &stbuf) < 0) {
10876 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10877 progname, fname, strerror(errno));
10882 if (!S_ISREG(stbuf.st_mode)) {
10883 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10889 if (stbuf.st_size == 0) {
10891 fprintf(stdout, "%s: '%s' file size is 0.\n",
10897 fd = open(fname, O_DIRECT | O_RDONLY);
10899 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10900 progname, fname, strerror(errno));
10905 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10907 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10908 progname, fname, strerror(errno));
10912 layout = llapi_layout_get_by_fd(fd, 0);
10914 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10915 progname, fname, strerror(errno));
10917 llapi_lease_release(fd);
10921 rc = llapi_layout_flags_get(layout, &flr_state);
10923 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10924 progname, fname, strerror(errno));
10929 flr_state &= LCM_FL_FLR_MASK;
10930 switch (flr_state) {
10933 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10934 progname, fname, llapi_layout_flags_string(flr_state));
10940 /* find out mirror chunks to be verified */
10941 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10942 ARRAY_SIZE(chunks_array));
10943 if (chunk_count < 0) {
10949 /* filter specified mirror ids */
10950 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10953 print_chunks(fname, chunks_array, chunk_count);
10955 for (idx = 0; idx < chunk_count; idx++) {
10956 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10959 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10961 PEXT(&chunks_array[idx].chunk),
10962 (unsigned long long)stbuf.st_size);
10966 if (chunks_array[idx].mirror_count == 0) {
10968 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10970 PEXT(&chunks_array[idx].chunk));
10972 fprintf(stderr, "skipped\n");
10976 fprintf(stderr, "failed\n");
10980 if (chunks_array[idx].mirror_count == 1) {
10983 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10985 PEXT(&chunks_array[idx].chunk),
10986 chunks_array[idx].mirror_id[0]);
10990 rc = llapi_lease_check(fd);
10991 if (rc != LL_LEASE_RDLCK) {
10992 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10997 /* verify one chunk */
10998 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10999 &chunks_array[idx], verbose);
11013 llapi_layout_free(layout);
11014 llapi_lease_release(fd);
11022 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
11023 * @argc: The count of lfs mirror verify command line arguments.
11024 * @argv: Array of strings for lfs mirror verify command line arguments.
11026 * This function parses lfs mirror verify command and verifies the
11027 * specified mirrored file(s).
11029 * Return: 0 on success or a negative error code on failure.
11031 static inline int lfs_mirror_verify(int argc, char **argv)
11033 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
11039 char cmd[PATH_MAX];
11041 struct option long_opts[] = {
11042 { .val = 'o', .name = "only", .has_arg = required_argument },
11043 { .val = 'v', .name = "verbose", .has_arg = no_argument },
11044 { .name = NULL } };
11046 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11048 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
11051 rc = parse_mirror_ids(mirror_ids,
11052 ARRAY_SIZE(mirror_ids),
11056 "%s: bad mirror ids '%s'.\n",
11063 "%s: at least 2 mirror ids needed with '--only' option.\n",
11073 fprintf(stderr, "%s: option '%s' unrecognized.\n",
11074 progname, argv[optind - 1]);
11080 if (argc == optind) {
11081 fprintf(stderr, "%s: no file name given.\n", progname);
11086 if (ids_nr > 0 && argc > optind + 1) {
11088 "%s: '--only' cannot be used upon multiple files.\n",
11095 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
11101 for (; optind < argc; optind++) {
11102 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
11112 * lfs_mirror() - Parse and execute lfs mirror commands.
11113 * @argc: The count of lfs mirror command line arguments.
11114 * @argv: Array of strings for lfs mirror command line arguments.
11116 * This function parses lfs mirror commands and performs the
11117 * corresponding functions specified in mirror_cmdlist[].
11119 * Return: 0 on success or an error code on failure.
11121 static int lfs_mirror(int argc, char **argv)
11123 char cmd[PATH_MAX];
11126 setlinebuf(stdout);
11128 Parser_init("lfs-mirror > ", mirror_cmdlist);
11130 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11132 program_invocation_short_name = cmd;
11134 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
11136 rc = Parser_commands();
11138 return rc < 0 ? -rc : rc;
11141 static void lustre_som_swab(struct lustre_som_attrs *attrs)
11143 #if __BYTE_ORDER == __BIG_ENDIAN
11144 __swab16s(&attrs->lsa_valid);
11145 __swab64s(&attrs->lsa_size);
11146 __swab64s(&attrs->lsa_blocks);
11150 enum lfs_som_type {
11151 LFS_SOM_SIZE = 0x1,
11152 LFS_SOM_BLOCKS = 0x2,
11153 LFS_SOM_FLAGS = 0x4,
11154 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
11158 static int lfs_getsom(int argc, char **argv)
11161 struct lustre_som_attrs *attrs;
11162 char buf[sizeof(*attrs) + 64];
11163 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
11166 while ((c = getopt(argc, argv, "sbf")) != -1) {
11169 type = LFS_SOM_SIZE;
11172 type = LFS_SOM_BLOCKS;
11175 type = LFS_SOM_FLAGS;
11178 fprintf(stderr, "%s: invalid option '%c'\n",
11188 fprintf(stderr, "%s: %s\n",
11189 progname, argc == 0 ? "miss file target" :
11190 "input more than 2 files");
11195 attrs = (void *)buf;
11196 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
11199 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
11200 argv[0], strerror(errno), errno);
11204 lustre_som_swab(attrs);
11207 case LFS_SOM_ATTR_ALL:
11208 printf("file: %s size: %llu blocks: %llu flags: %x\n",
11209 path, (unsigned long long)attrs->lsa_size,
11210 (unsigned long long)attrs->lsa_blocks,
11214 printf("%llu\n", (unsigned long long)attrs->lsa_size);
11216 case LFS_SOM_BLOCKS:
11217 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
11219 case LFS_SOM_FLAGS:
11220 printf("%x\n", attrs->lsa_valid);
11223 fprintf(stderr, "%s: unknown option\n", progname);
11231 * lfs_mirror_list_commands() - List lfs mirror commands.
11232 * @argc: The count of command line arguments.
11233 * @argv: Array of strings for command line arguments.
11235 * This function lists lfs mirror commands defined in mirror_cmdlist[].
11237 * Return: 0 on success.
11239 static int lfs_mirror_list_commands(int argc, char **argv)
11241 char buffer[81] = "";
11243 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
11249 static int lfs_pcc_attach(int argc, char **argv)
11251 struct option long_opts[] = {
11252 { .val = 'i', .name = "id", .has_arg = required_argument },
11253 { .name = NULL } };
11256 __u32 archive_id = 0;
11259 char fullpath[PATH_MAX];
11260 enum lu_pcc_type type = LU_PCC_READWRITE;
11263 while ((c = getopt_long(argc, argv, "i:",
11264 long_opts, NULL)) != -1) {
11267 archive_id = strtoul(optarg, &end, 0);
11268 if (*end != '\0' || archive_id == 0) {
11270 "error: %s: bad archive ID '%s'\n",
11278 fprintf(stderr, "%s: option '%s' unrecognized\n",
11279 argv[0], argv[optind - 1]);
11284 if (archive_id == 0) {
11285 fprintf(stderr, "%s: must specify attach ID\n", argv[0]);
11289 if (argc <= optind) {
11290 fprintf(stderr, "%s: must specify one or more file names\n",
11295 while (optind < argc) {
11298 path = argv[optind++];
11299 if (!realpath(path, fullpath)) {
11300 fprintf(stderr, "%s: could not find path '%s': %s\n",
11301 argv[0], path, strerror(errno));
11307 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
11310 "%s: cannot attach '%s' to PCC with archive ID '%u': %s\n",
11311 argv[0], path, archive_id, strerror(-rc2));
11319 static int lfs_pcc_attach_fid(int argc, char **argv)
11321 struct option long_opts[] = {
11322 { .val = 'i', .name = "id", .has_arg = required_argument },
11323 { .val = 'm', .name = "mnt", .has_arg = required_argument },
11324 { .name = NULL } };
11325 char short_opts[] = "i:m:";
11328 __u32 archive_id = 0;
11330 const char *mntpath = NULL;
11331 const char *fidstr;
11332 enum lu_pcc_type type = LU_PCC_READWRITE;
11335 while ((c = getopt_long(argc, argv, short_opts,
11336 long_opts, NULL)) != -1) {
11339 archive_id = strtoul(optarg, &end, 0);
11340 if (*end != '\0') {
11342 "error: %s: bad archive ID '%s'\n",
11353 fprintf(stderr, "%s: option '%s' unrecognized\n",
11354 argv[0], argv[optind - 1]);
11359 if (archive_id == 0) {
11360 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
11365 fprintf(stderr, "%s: must specify Lustre mount point\n",
11370 if (argc <= optind) {
11371 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
11375 while (optind < argc) {
11378 fidstr = argv[optind++];
11380 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
11384 "%s: cannot attach '%s' on '%s' to PCC with archive ID '%u': %s\n",
11385 argv[0], fidstr, mntpath, archive_id,
11388 if (rc == 0 && rc2 < 0)
11394 static int lfs_pcc_detach(int argc, char **argv)
11396 struct option long_opts[] = {
11397 { .val = 'k', .name = "keep", .has_arg = no_argument },
11398 { .name = NULL } };
11399 char short_opts[] = "k";
11403 char fullpath[PATH_MAX];
11404 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11407 while ((c = getopt_long(argc, argv, short_opts,
11408 long_opts, NULL)) != -1) {
11411 detach_opt = PCC_DETACH_OPT_NONE;
11416 fprintf(stderr, "%s: option '%s' unrecognized\n",
11417 argv[0], argv[optind - 1]);
11422 while (optind < argc) {
11425 path = argv[optind++];
11426 if (!realpath(path, fullpath)) {
11427 fprintf(stderr, "%s: could not find path '%s': %s\n",
11428 argv[0], path, strerror(errno));
11434 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
11438 "%s: cannot detach '%s' from PCC: %s\n",
11439 argv[0], path, strerror(errno));
11447 static int lfs_pcc_detach_fid(int argc, char **argv)
11449 struct option long_opts[] = {
11450 { .val = 'k', .name = "keep", .has_arg = no_argument },
11451 { .name = NULL } };
11452 char short_opts[] = "k";
11456 const char *mntpath;
11457 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11460 while ((c = getopt_long(argc, argv, short_opts,
11461 long_opts, NULL)) != -1) {
11464 detach_opt = PCC_DETACH_OPT_NONE;
11469 fprintf(stderr, "%s: option '%s' unrecognized\n",
11470 argv[0], argv[optind - 1]);
11475 mntpath = argv[optind++];
11477 while (optind < argc) {
11480 fid = argv[optind++];
11482 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
11485 "%s: cannot detach '%s' on '%s' from PCC: %s\n",
11486 argv[0], fid, mntpath, strerror(-rc2));
11494 static int lfs_pcc_state(int argc, char **argv)
11498 char fullpath[PATH_MAX];
11499 struct lu_pcc_state state;
11504 fprintf(stderr, "%s: must specify one or more file names\n",
11509 while (optind < argc) {
11512 path = argv[optind++];
11513 if (!realpath(path, fullpath)) {
11514 fprintf(stderr, "%s: could not find path '%s': %s\n",
11515 argv[0], path, strerror(errno));
11521 rc2 = llapi_pcc_state_get(fullpath, &state);
11526 "%s: cannot get PCC state of '%s': %s\n",
11527 argv[0], path, strerror(-rc2));
11531 printf("file: %s", path);
11532 printf(", type: %s", pcc_type2string(state.pccs_type));
11533 if (state.pccs_type == LU_PCC_NONE &&
11534 state.pccs_open_count == 0) {
11539 printf(", PCC file: %s", state.pccs_path);
11540 printf(", user number: %u", state.pccs_open_count);
11541 printf(", flags: %x", state.pccs_flags);
11548 * lfs_pcc_list_commands() - List lfs pcc commands.
11549 * @argc: The count of command line arguments.
11550 * @argv: Array of strings for command line arguments.
11552 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11554 * Return: 0 on success.
11556 static int lfs_pcc_list_commands(int argc, char **argv)
11558 char buffer[81] = "";
11560 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11567 * lfs_pcc() - Parse and execute lfs pcc commands.
11568 * @argc: The count of lfs pcc command line arguments.
11569 * @argv: Array of strings for lfs pcc command line arguments.
11571 * This function parses lfs pcc commands and performs the
11572 * corresponding functions specified in pcc_cmdlist[].
11574 * Return: 0 on success or an error code on failure.
11576 static int lfs_pcc(int argc, char **argv)
11578 char cmd[PATH_MAX];
11581 setlinebuf(stdout);
11583 Parser_init("lfs-pcc > ", pcc_cmdlist);
11585 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11587 program_invocation_short_name = cmd;
11589 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11591 rc = Parser_commands();
11593 return rc < 0 ? -rc : rc;
11596 static int lfs_list_commands(int argc, char **argv)
11598 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11600 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11605 int main(int argc, char **argv)
11609 /* Ensure that liblustreapi constructor has run */
11610 if (!llapi_liblustreapi_initialized())
11611 fprintf(stderr, "liblustreapi was not properly initialized\n");
11613 setlinebuf(stdout);
11616 Parser_init("lfs > ", cmdlist);
11618 progname = program_invocation_short_name; /* Used in error messages */
11620 llapi_set_command_name(argv[1]);
11621 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11622 llapi_clear_command_name();
11624 rc = Parser_commands();
11627 return rc < 0 ? -rc : rc;
11630 #ifdef _LUSTRE_IDL_H_
11631 /* Everything we need here should be included by lustreapi.h. */
11632 # error "lfs should not depend on lustre_idl.h"
11633 #endif /* _LUSTRE_IDL_H_ */