4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
34 * Author: Peter J. Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Robert Read <rread@clusterfs.com>
55 #include <sys/ioctl.h>
56 #include <sys/quota.h>
58 #include <sys/types.h>
60 #include <sys/param.h>
61 #include <sys/xattr.h>
68 #include <asm/byteorder.h>
69 #include "lfs_project.h"
71 #include <libcfs/util/string.h>
72 #include <libcfs/util/ioctl.h>
73 #include <libcfs/util/parser.h>
74 #include <lustre/lustreapi.h>
75 #include <linux/lustre/lustre_ver.h>
76 #include <linux/lustre/lustre_param.h>
77 #include <linux/lnet/nidstr.h>
81 # define ARRAY_SIZE(a) ((sizeof(a)) / (sizeof((a)[0])))
82 #endif /* !ARRAY_SIZE */
85 static int lfs_find(int argc, char **argv);
86 static int lfs_getstripe(int argc, char **argv);
87 static int lfs_getdirstripe(int argc, char **argv);
88 static int lfs_setdirstripe(int argc, char **argv);
89 static int lfs_rmentry(int argc, char **argv);
90 static int lfs_osts(int argc, char **argv);
91 static int lfs_mdts(int argc, char **argv);
92 static int lfs_df(int argc, char **argv);
93 static int lfs_getname(int argc, char **argv);
94 static int lfs_check(int argc, char **argv);
95 #ifdef HAVE_SYS_QUOTA_H
96 static int lfs_setquota(int argc, char **argv);
97 static int lfs_quota(int argc, char **argv);
98 static int lfs_project(int argc, char **argv);
100 static int lfs_flushctx(int argc, char **argv);
101 static int lfs_poollist(int argc, char **argv);
102 static int lfs_changelog(int argc, char **argv);
103 static int lfs_changelog_clear(int argc, char **argv);
104 static int lfs_fid2path(int argc, char **argv);
105 static int lfs_path2fid(int argc, char **argv);
106 static int lfs_rmfid(int argc, char **argv);
107 static int lfs_data_version(int argc, char **argv);
108 static int lfs_hsm_state(int argc, char **argv);
109 static int lfs_hsm_set(int argc, char **argv);
110 static int lfs_hsm_clear(int argc, char **argv);
111 static int lfs_hsm_action(int argc, char **argv);
112 static int lfs_hsm_archive(int argc, char **argv);
113 static int lfs_hsm_restore(int argc, char **argv);
114 static int lfs_hsm_release(int argc, char **argv);
115 static int lfs_hsm_remove(int argc, char **argv);
116 static int lfs_hsm_cancel(int argc, char **argv);
117 static int lfs_swap_layouts(int argc, char **argv);
118 static int lfs_mv(int argc, char **argv);
119 static int lfs_ladvise(int argc, char **argv);
120 static int lfs_getsom(int argc, char **argv);
121 static int lfs_heat_get(int argc, char **argv);
122 static int lfs_heat_set(int argc, char **argv);
123 static int lfs_mirror(int argc, char **argv);
124 static int lfs_mirror_list_commands(int argc, char **argv);
125 static int lfs_list_commands(int argc, char **argv);
126 static inline int lfs_mirror_resync(int argc, char **argv);
127 static inline int lfs_mirror_verify(int argc, char **argv);
128 static inline int lfs_mirror_read(int argc, char **argv);
129 static inline int lfs_mirror_write(int argc, char **argv);
130 static inline int lfs_mirror_copy(int argc, char **argv);
131 static int lfs_pcc_attach(int argc, char **argv);
132 static int lfs_pcc_attach_fid(int argc, char **argv);
133 static int lfs_pcc_detach(int argc, char **argv);
134 static int lfs_pcc_detach_fid(int argc, char **argv);
135 static int lfs_pcc_state(int argc, char **argv);
136 static int lfs_pcc(int argc, char **argv);
137 static int lfs_pcc_list_commands(int argc, char **argv);
138 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
139 __u64 migration_flags,
140 struct llapi_stripe_param *param,
141 struct llapi_layout *layout);
143 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);
158 static inline int lfs_setstripe_migrate(int argc, char **argv)
160 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
162 static inline int lfs_mirror_create(int argc, char **argv)
164 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
166 static inline int lfs_mirror_extend(int argc, char **argv)
168 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
170 static inline int lfs_mirror_split(int argc, char **argv)
172 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
175 /* Setstripe and migrate share mostly the same parameters */
176 #define SSM_CMD_COMMON(cmd) \
177 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
178 " [--stripe-count|-c <stripe_count>]\n" \
179 " [--overstripe-count|-C <stripe_count>]\n" \
180 " [--stripe-index|-i <start_ost_idx>]\n" \
181 " [--stripe-size|-S <stripe_size>]\n" \
182 " [--layout|-L <pattern>]\n" \
183 " [--pool|-p <pool_name>]\n" \
184 " [--ost|-o <ost_indices>]\n" \
185 " [--yaml|-y <yaml_template_file>]\n" \
186 " [--copy=<lustre_src>]\n"
188 #define SSM_HELP_COMMON \
189 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
190 "\t Using -C instead of -c allows overstriping, which\n" \
191 "\t will place more than one stripe per OST if\n" \
192 "\t stripe_count is greater than the number of OSTs\n" \
193 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
194 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
195 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
196 "\t respectively)\n" \
197 "\tpool_name: Name of OST pool to use (default none)\n" \
198 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
199 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
200 "\t Indices be specified in a format of:\n" \
201 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
203 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
204 "\t If --pool is set with --ost, then the OSTs\n" \
205 "\t must be the members of the pool.\n" \
206 "\tcomp_end: Extent end of component, start after previous end.\n"\
207 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
208 "\t respectively, -1 for EOF). Must be a multiple of\n"\
209 "\t stripe_size.\n" \
210 "\tyaml_template_file:\n" \
211 "\t YAML layout template file, can't be used with -c,\n" \
212 "\t -i, -S, -p, -o, or -E arguments.\n" \
213 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
214 "\t another lustre file or directory, can't used with\n" \
215 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
217 #define MIRROR_CREATE_HELP \
218 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
219 "\t setstripe layout options\n" \
220 "\t It defaults to 1 if not specified; if specified,\n" \
221 "\t it must follow the option without a space.\n" \
222 "\t The option can also be repeated multiple times to\n" \
223 "\t separate mirrors that have different layouts.\n" \
224 "\tsetstripe options: Mirror layout\n" \
225 "\t It can be a plain layout or a composite layout.\n" \
226 "\t If not specified, the stripe options inherited\n" \
227 "\t from the previous component will be used.\n" \
228 "\tflags: set flags to the component of the current mirror.\n" \
229 "\t Only \"prefer\" flag is supported so far.\n"
231 #define MIRROR_EXTEND_HELP \
233 "\tvictim_file: The layout of victim_file will be split and used\n" \
234 "\t as a mirror added to the mirrored file.\n" \
235 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
236 "\t from victim file(s) in case the victim file(s)\n" \
237 "\t contains the same data as the original mirrored\n" \
240 #define MIRROR_EXTEND_USAGE \
241 " <--mirror-count|-N[mirror_count]>\n" \
242 " [setstripe options|-f <victim_file>]\n" \
245 #define SETSTRIPE_USAGE \
246 SSM_CMD_COMMON("setstripe") \
247 MIRROR_EXTEND_USAGE \
248 " <directory|filename>\n" \
252 #define MIGRATE_USAGE \
253 SSM_CMD_COMMON("migrate ") \
254 " [--block|-b] [--non-block|-n]\n" \
255 " [--non-direct|-D] [--verbose|-v]\n" \
259 "\tblock: Block file access during data migration (default)\n" \
260 "\tnon-block: Abort migrations if concurrent access is detected\n" \
261 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
262 "\tverbose: Print each filename as it is migrated\n" \
264 #define SETDIRSTRIPE_USAGE \
265 " [--mdt-count|-c stripe_count>\n" \
266 " [--mdt-hash|-H mdt_hash]\n" \
267 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
268 " [--default|-D] [--mode|-o mode] <dir>\n" \
269 "\tstripe_count: stripe count of the striped directory\n" \
270 "\tmdt_index: MDT index of first stripe\n" \
271 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
272 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
273 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
274 " space create subdirectories with balanced space usage\n" \
275 "\tdefault_stripe: set default dirstripe of the directory\n" \
276 "\tmode: the file access permission of the directory (octal)\n" \
277 "To create dir with a foreign (free format) layout :\n" \
278 "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
279 "[--mode|-m mode] [--flags <hex>] <dir>\n" \
280 "\tmode: the mode of the directory\n" \
281 "\tforeign_type: none or daos\n"
284 * command_t mirror_cmdlist - lfs mirror commands.
286 command_t mirror_cmdlist[] = {
287 { .pc_name = "create", .pc_func = lfs_mirror_create,
288 .pc_help = "Create a mirrored file.\n"
289 "usage: lfs mirror create "
290 "<--mirror-count|-N[mirror_count]> "
291 "[setstripe options] ... <filename|directory>\n"
292 MIRROR_CREATE_HELP },
293 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
294 .pc_help = "Extend a mirrored file.\n"
295 "usage: lfs mirror extend "
296 "<--mirror-count|-N[mirror_count]> [--no-verify] "
297 "[setstripe options|-f <victim_file>] ... <filename>\n"
298 MIRROR_EXTEND_HELP },
299 { .pc_name = "split", .pc_func = lfs_mirror_split,
300 .pc_help = "Split a mirrored file.\n"
301 "usage: lfs mirror split <--mirror-id <mirror_id> |\n"
302 "\t <--component-id|-I <comp_id>|-p <pool>> [--destroy|-d]\n"
303 "\t [-f <new_file>] <mirrored file>\n"
304 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
305 "\t can be fetched by lfs getstripe command.\n"
306 "\tcomp_id: Unique component ID within a mirror.\n"
307 "\tpool: Components on specified pool.\n"
308 "\tnew_file: This option indicates the layout of the split\n"
309 "\t mirror will be stored into. If not specified,\n"
310 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
311 "\t will be used.\n" },
312 { .pc_name = "read", .pc_func = lfs_mirror_read,
313 .pc_help = "Read the content of a specified mirror of a file.\n"
314 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
315 "[--outfile|-o <output_file>] <mirrored_file>\n" },
316 { .pc_name = "write", .pc_func = lfs_mirror_write,
317 .pc_help = "Write to a specified mirror of a file.\n"
318 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
319 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
320 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
321 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
322 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
323 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
324 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
325 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
326 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
327 "<mirrored file> [<mirrored file2>...]\n"},
328 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
329 .pc_help = "Verify mirrored file(s).\n"
330 "usage: lfs mirror verify "
331 "[--only <mirror_id,mirror_id2[,...]>] "
332 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
333 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
334 .pc_help = "list commands supported by lfs mirror"},
335 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
336 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
337 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
342 * command_t pcc_cmdlist - lfs pcc commands.
344 command_t pcc_cmdlist[] = {
345 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
346 .pc_help = "Attach given files to the Persistent Client Cache.\n"
347 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
348 "\t-i: archive id for RW-PCC\n" },
349 { .pc_name = "attach_fid", .pc_func = lfs_pcc_attach_fid,
350 .pc_help = "Attach given files into PCC by FID(s).\n"
351 "usage: lfs pcc attach_id <--id|-i NUM> <--mnt|-m mnt> "
353 "\t-i: archive id for RW-PCC\n"
354 "\t-m: Lustre mount point\n" },
355 { .pc_name = "state", .pc_func = lfs_pcc_state,
356 .pc_help = "Display the PCC state for given files.\n"
357 "usage: lfs pcc state <file> ...\n" },
358 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
359 .pc_help = "Detach given files from the Persistent Client Cache.\n"
360 "usage: lfs pcc detach <file> ...\n" },
361 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
362 .pc_help = "Detach given files from PCC by FID(s).\n"
363 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
364 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
365 .pc_help = "list commands supported by lfs pcc"},
366 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
367 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
368 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
372 /* all available commands */
373 command_t cmdlist[] = {
374 {"setstripe", lfs_setstripe, 0,
375 "To create a file with specified striping/composite layout, or\n"
376 "create/replace the default layout on an existing directory:\n"
377 SSM_CMD_COMMON("setstripe")
379 " <directory|filename>\n"
381 "To add component(s) to an existing composite file:\n"
382 SSM_CMD_COMMON("setstripe --component-add")
384 "To totally delete the default striping from an existing directory:\n"
385 "usage: setstripe -d <directory>\n"
387 "To create a mirrored file or set s default mirror layout on a directory:\n"
388 "usage: setstripe -N[mirror_count] [STRIPE_OPTIONS] <directory|filename>\n"
390 "To delete the last component(s) from an existing composite file\n"
391 "(note that this will also delete any data in those components):\n"
392 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
393 " [--component-flags|-F <comp_flags>]\n"
395 "\tcomp_id: Unique component ID to delete\n"
396 "\tcomp_flags: 'init' indicating all instantiated components\n"
397 "\t '^init' indicating all uninstantiated components\n"
398 "\t-I and -F cannot be specified at the same time\n"
399 "To create a file with a foreign (free format) layout:\n"
400 "usage: setstripe --foreign[=<foreign_type>]\n"
401 " --xattr|-x <layout_string> [--flags <hex>]\n"
402 " [--mode <mode>] <filename>\n"},
403 {"getstripe", lfs_getstripe, 0,
404 "To list the layout pattern for a given file or files in a\n"
405 "directory or recursively for all files in a directory tree.\n"
406 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
407 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
408 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
409 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
410 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
411 " [--component-id[=comp_id]|-I[comp_id]]\n"
412 " [--component-flags[=comp_flags]]\n"
413 " [--component-count]\n"
414 " [--extension-size|--ext-size|-z]\n"
415 " [--component-start[=[+-]comp_start]]\n"
416 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
417 " [[!] --mirror-index=[+-]<index> |\n"
418 " [!] --mirror-id=[+-]<id>]\n"
419 " <directory|filename> ..."},
420 {"setdirstripe", lfs_setdirstripe, 0,
421 "To create a striped directory on a specified MDT. This can only\n"
422 "be done on MDT0 with the right of administrator.\n"
423 "usage: setdirstripe [OPTION] <directory>\n"
425 {"getdirstripe", lfs_getdirstripe, 0,
426 "To list the layout pattern info for a given directory\n"
427 "or recursively for all directories in a directory tree.\n"
428 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
429 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
430 " [--recursive|-r] [--yaml|-y]\n"
431 " [--verbose|-v] [--default|-D] <dir> ..."},
432 {"mkdir", lfs_setdirstripe, 0,
433 "To create a striped directory on a specified MDT. This can only\n"
434 "be done on MDT0 with the right of administrator.\n"
435 "usage: mkdir [OPTION] <directory>\n"
437 {"rm_entry", lfs_rmentry, 0,
438 "To remove the name entry of the remote directory. Note: This\n"
439 "command will only delete the name entry, i.e. the remote directory\n"
440 "will become inaccessable after this command. This can only be done\n"
441 "by the administrator\n"
442 "usage: rm_entry <dir>\n"},
443 {"pool_list", lfs_poollist, 0,
444 "List pools or pool OSTs\n"
445 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
446 {"find", lfs_find, 0,
447 "find files matching given attributes recursively in directory tree.\n"
448 "usage: find <directory|filename> ...\n"
449 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
450 " [[!] --mtime|-M [+-]N[smhdwy]] [[!] --blocks|-b N]\n"
451 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
452 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
453 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
454 " [[!] --stripe-count|-c [+-]<stripes>]\n"
455 " [[!] --stripe-index|-i <index,...>]\n"
456 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
457 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
458 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
459 " [[!] --projid <projid>]\n"
460 " [[!] --foreign[=<foreign_type>]]\n"
461 " [[!] --layout|-L released,raid0,mdt]\n"
462 " [[!] --foreign[=<foreign_type>]]\n"
463 " [[!] --component-count [+-]<comp_cnt>]\n"
464 " [[!] --component-start [+-]N[kMGTPE]]\n"
465 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
466 " [[!] --component-flags <comp_flags>]\n"
467 " [[!] --mirror-count|-N [+-]<n>]\n"
468 " [[!] --mirror-state <[^]state>]\n"
469 " [[!] --mdt-count|-T [+-]<stripes>]\n"
470 " [[!] --mdt-hash|-H <hashtype>\n"
471 " [[!] --mdt-index|-m <uuid|index,...>]\n"
472 "\t !: used before an option indicates 'NOT' requested attribute\n"
473 "\t -: used before a value indicates less than requested value\n"
474 "\t +: used before a value indicates more than requested value\n"
475 "\thashtype: hash type of the striped directory.\n"
476 "\t fnv_1a_64 FNV-1a hash algorithm\n"
477 "\t all_char sum of characters % MDT_COUNT\n"},
478 {"check", lfs_check, 0,
479 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
480 "or all the servers (MGTs, MDTs and OSTs).\n"
481 "usage: check <mgts|osts|mdts|all>"},
482 {"osts", lfs_osts, 0, "list OSTs connected to client "
483 "[for specified path only]\n" "usage: osts [path]"},
484 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
485 "[for specified path only]\n" "usage: mdts [path]"},
487 "report filesystem disk space usage or inodes usage "
488 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
489 "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
490 {"getname", lfs_getname, 0,
491 "list instances and specified mount points [for specified path only]\n"
492 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
493 #ifdef HAVE_SYS_QUOTA_H
494 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
495 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
496 " -b <block-softlimit> -B <block-hardlimit>\n"
497 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
498 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
499 " [--block-softlimit <block-softlimit>]\n"
500 " [--block-hardlimit <block-hardlimit>]\n"
501 " [--inode-softlimit <inode-softlimit>]\n"
502 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
503 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
504 " [--block-grace <block-grace>]\n"
505 " [--inode-grace <inode-grace>] <filesystem>\n"
506 " setquota <-U|-G|-P>\n"
507 " -b <block-softlimit> -B <block-hardlimit>\n"
508 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
509 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
510 " [--block-softlimit <block-softlimit>]\n"
511 " [--block-hardlimit <block-hardlimit>]\n"
512 " [--inode-softlimit <inode-softlimit>]\n"
513 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
514 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
516 " -b can be used instead of --block-softlimit/--block-grace\n"
517 " -B can be used instead of --block-hardlimit\n"
518 " -i can be used instead of --inode-softlimit/--inode-grace\n"
519 " -I can be used instead of --inode-hardlimit\n"
520 " -d can be used instead of --default\n\n"
521 "Note: The total quota space will be split into many qunits and\n"
522 " balanced over all server targets, the minimal qunit size is\n"
523 " 1M bytes for block space and 1K inodes for inode space.\n\n"
524 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
525 " Quota space rebalancing process will stop when this mininum\n"
526 " value is reached. As a result, quota exceeded can be returned\n"
527 " while many targets still have 1MB or 1K inodes of spare\n"
529 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
530 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
532 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
533 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
534 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
535 {"project", lfs_project, 0,
536 "Change or list project attribute for specified file or directory.\n"
537 "usage: project [-d|-r] <file|directory...>\n"
538 " list project ID and flags on file(s) or directories\n"
539 " project [-p id] [-s] [-r] <file|directory...>\n"
540 " set project ID and/or inherit flag for specified file(s) or directories\n"
541 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
542 " check project ID and flags on file(s) or directories, print outliers\n"
543 " project -C [-r] [-k] <file|directory...>\n"
544 " clear the project inherit flag and ID on the file or directory\n"
547 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
548 "usage: flushctx [-k] [mountpoint...]"},
549 {"changelog", lfs_changelog, 0,
550 "Show the metadata changes on an MDT."
551 "\nusage: changelog <mdtname> [startrec [endrec]]"},
552 {"changelog_clear", lfs_changelog_clear, 0,
553 "Indicate that old changelog records up to <endrec> are no longer of "
554 "interest to consumer <id>, allowing the system to free up space.\n"
555 "An <endrec> of 0 means all records.\n"
556 "usage: changelog_clear <mdtname> <id> <endrec>"},
557 {"fid2path", lfs_fid2path, 0,
558 "Resolve the full path(s) for given FID(s). For a specific hardlink "
559 "specify link number <linkno>.\n"
560 /* "For a historical link name, specify changelog record <recno>.\n" */
561 "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
562 /* [ --rec <recno> ] */ },
563 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
564 "usage: path2fid [--parents] <path> ..."},
565 {"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
566 "usage: rmfid <fsname|rootpath> <fid> ..."},
567 {"data_version", lfs_data_version, 0, "Display file data version for "
568 "a given path.\n" "usage: data_version -[n|r|w] <path>"},
569 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
570 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
571 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
572 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
573 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
574 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
576 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
577 "[--archived] [--lost] <file> ..."},
578 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
579 "given files.\n" "usage: hsm_action <file> ..."},
580 {"hsm_archive", lfs_hsm_archive, 0,
581 "Archive file to external storage.\n"
582 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
584 {"hsm_restore", lfs_hsm_restore, 0,
585 "Restore file from external storage.\n"
586 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
587 {"hsm_release", lfs_hsm_release, 0,
588 "Release files from Lustre.\n"
589 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
590 {"hsm_remove", lfs_hsm_remove, 0,
591 "Remove file copy from external storage.\n"
592 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
594 " (FILE [FILE ...] | "
595 "--mntpath MOUNTPATH FID [FID ...])\n"
597 "Note: To remove an archived copy of a file already deleted from a "
599 "--mntpath option and a list of FIDs must be specified"
601 {"hsm_cancel", lfs_hsm_cancel, 0,
602 "Cancel requests related to specified files.\n"
603 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
604 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
605 "usage: swap_layouts <path1> <path2>"},
606 {"migrate", lfs_setstripe_migrate, 0,
607 "migrate a directory between MDTs.\n"
608 "usage: migrate [--mdt-count|-c] <stripe_count>\n"
609 " [--mdt-hash|-H] <hash_type>\n"
610 " [--mdt-index|-m] <start_mdt_index>\n"
613 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
614 " it's the MDT index of first stripe\n"
615 "\tmdt_count: number of MDTs to stripe a directory over\n"
616 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
617 " fnv_1a_64 FNV-1a hash algorithm (default)\n"
618 " all_char sum of characters % MDT_COUNT\n"
620 "migrate file objects from one OST "
621 "layout\nto another (may be not safe with concurent writes).\n"
623 "[--stripe-count|-c] <stripe_count>\n"
624 "[--overstripe-count|-C] <stripe_count>\n"
625 " [--stripe-index|-i] <start_ost_index>\n"
626 " [--stripe-size|-S] <stripe_size>\n"
627 " [--pool|-p] <pool_name>\n"
628 " [--ost|-o] <ost_indices>\n"
630 " [--non-block|-n]\n"
631 " [--non-direct|-D]\n"
632 " <file|directory>\n"
633 "\tstripe_count: number of OSTs to stripe a file over\n"
634 "\t Using -C instead of -c allows overstriping, which\n"
635 "\t will place more than one stripe per OST if\n"
636 "\t stripe_count is greater than the number of OSTs\n"
637 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
638 "\tstripe_size: number of bytes to store before moving to the next OST\n"
639 "\tpool_name: name of the predefined pool of OSTs\n"
640 "\tost_indices: OSTs to stripe over, in order\n"
641 "\tblock: Block file access during data migration (default)\n"
642 "\tnon-block: Abort migrations if concurrent access is detected\n"
643 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
645 "To move directories between MDTs. This command is deprecated, "
646 "use \"migrate\" instead.\n"
647 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
649 {"ladvise", lfs_ladvise, 0,
650 "Provide servers with advice about access patterns for a file.\n"
651 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
652 " [--background|-b] [--unset|-u]\n\n"
653 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
654 " {[--mode|-m [READ,WRITE]}\n"
656 {"mirror", lfs_mirror, mirror_cmdlist,
657 "lfs commands used to manage files with mirrored components:\n"
658 "lfs mirror create - create a mirrored file or directory\n"
659 "lfs mirror extend - add mirror(s) to an existing file\n"
660 "lfs mirror split - split a mirror from an existing mirrored file\n"
661 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
662 "lfs mirror read - read a mirror content of a mirrored file\n"
663 "lfs mirror write - write to a mirror of a mirrored file\n"
664 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
665 "lfs mirror verify - verify mirrored file(s)\n"},
666 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
667 "usage: getsom [-s] [-b] [-f] <path>\n"
668 "\t-s: Only show the size value of the SOM data for a given file\n"
669 "\t-b: Only show the blocks value of the SOM data for a given file\n"
670 "\t-f: Only show the flags value of the SOM data for a given file\n"},
671 {"heat_get", lfs_heat_get, 0,
672 "To get heat of files.\n"
673 "usage: heat_get <file> ...\n"},
674 {"heat_set", lfs_heat_set, 0,
675 "To set heat flags of files.\n"
676 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
677 "\t--clear|-c: Clear file heat for given files\n"
678 "\t--off|-o: Turn off file heat for given files\n"
679 "\t--on|-O: Turn on file heat for given files\n"},
680 {"pcc", lfs_pcc, pcc_cmdlist,
681 "lfs commands used to interact with PCC features:\n"
682 "lfs pcc attach - attach given files to Persistent Client Cache\n"
683 "lfs pcc attach_fid - attach given files into PCC by FID(s)\n"
684 "lfs pcc state - display the PCC state for given files\n"
685 "lfs pcc detach - detach given files from Persistent Client Cache\n"
686 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
687 {"help", Parser_help, 0, "help"},
688 {"exit", Parser_quit, 0, "quit"},
689 {"quit", Parser_quit, 0, "quit"},
690 {"--version", Parser_version, 0,
691 "output build version of the utility and exit"},
692 {"--list-commands", lfs_list_commands, 0,
693 "list commands supported by the utility and exit"},
698 static int check_hashtype(const char *hashtype)
702 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
703 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
706 if (!strcmp(hashtype, LMV_HASH_NAME_SPACE))
707 return LMV_HASH_TYPE_DEFAULT | LMV_HASH_FLAG_SPACE;
712 static uint32_t check_foreign_type_name(const char *foreign_type_name)
716 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
717 if (lu_foreign_types[i].lft_name == NULL)
719 if (strcmp(foreign_type_name,
720 lu_foreign_types[i].lft_name) == 0)
721 return lu_foreign_types[i].lft_type;
724 return LU_FOREIGN_TYPE_UNKNOWN;
727 static const char *error_loc = "syserror";
730 MIGRATION_NONBLOCK = 0x0001,
731 MIGRATION_MIRROR = 0x0002,
732 MIGRATION_NONDIRECT = 0x0004,
733 MIGRATION_VERBOSE = 0x0008,
736 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
737 struct llapi_layout *layout);
740 migrate_open_files(const char *name, __u64 migration_flags,
741 const struct llapi_stripe_param *param,
742 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
749 char parent[PATH_MAX];
750 char volatile_file[PATH_MAX];
756 if (param == NULL && layout == NULL) {
757 error_loc = "layout information";
761 /* search for file directory pathname */
762 if (strlen(name) > sizeof(parent) - 1) {
763 error_loc = "source file name";
767 strncpy(parent, name, sizeof(parent));
768 ptr = strrchr(parent, '/');
770 if (getcwd(parent, sizeof(parent)) == NULL) {
771 error_loc = "getcwd";
775 if (ptr == parent) /* leading '/' */
780 /* open file, direct io */
781 /* even if the file is only read, WR mode is nedeed to allow
782 * layout swap on fd */
784 if (!(migration_flags & MIGRATION_NONDIRECT))
786 fd = open(name, rflags);
789 error_loc = "cannot open source file";
793 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
795 error_loc = "cannot get MDT index";
800 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
801 mode_t open_mode = S_IRUSR | S_IWUSR;
803 random_value = random();
804 rc = snprintf(volatile_file, sizeof(volatile_file),
805 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
806 mdt_index, random_value);
807 if (rc >= sizeof(volatile_file)) {
812 /* create, open a volatile file, use caching (ie no directio) */
814 fdv = llapi_file_open_param(volatile_file, open_flags,
817 fdv = lfs_component_create(volatile_file, open_flags,
819 } while (fdv < 0 && (rc = fdv) == -EEXIST);
822 error_loc = "cannot create volatile file";
826 /* In case the MDT does not support creation of volatile files
827 * we should try to unlink it. */
828 (void)unlink(volatile_file);
830 /* Not-owner (root?) special case.
831 * Need to set owner/group of volatile file like original.
832 * This will allow to pass related check during layout_swap.
837 error_loc = "cannot stat source file";
841 rc = fstat(fdv, &stv);
844 error_loc = "cannot stat volatile";
848 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
849 rc = fchown(fdv, st.st_uid, st.st_gid);
852 error_loc = "cannot change ownwership of volatile";
871 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
873 struct llapi_layout *layout;
874 size_t buf_size = 4 * 1024 * 1024;
883 layout = llapi_layout_get_by_fd(fd_src, 0);
884 if (layout != NULL) {
885 uint64_t stripe_size;
887 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
889 buf_size = stripe_size;
891 llapi_layout_free(layout);
894 /* Use a page-aligned buffer for direct I/O */
895 rc = posix_memalign(&buf, getpagesize(), buf_size);
900 /* read new data only if we have written all
901 * previously read data */
904 rc = check_file(fd_src);
909 rsize = read(fd_src, buf, buf_size);
921 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
940 static int migrate_copy_timestamps(int fd, int fdv)
944 if (fstat(fd, &st) == 0) {
945 struct timeval tv[2] = {
946 {.tv_sec = st.st_atime},
947 {.tv_sec = st.st_mtime}
950 return futimes(fdv, tv);
956 static int migrate_block(int fd, int fdv)
963 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
965 error_loc = "cannot get dataversion";
973 /* The grouplock blocks all concurrent accesses to the file.
974 * It has to be taken after llapi_get_data_version as it would
976 rc = llapi_group_lock(fd, gid);
978 error_loc = "cannot get group lock";
982 rc = migrate_copy_data(fd, fdv, NULL);
984 error_loc = "data copy failed";
988 /* Make sure we keep original atime/mtime values */
989 rc = migrate_copy_timestamps(fd, fdv);
991 error_loc = "timestamp copy failed";
996 * for a migration we need to check data version on file did
999 * Pass in gid=0 since we already own grouplock. */
1000 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
1001 SWAP_LAYOUTS_CHECK_DV1);
1002 if (rc == -EAGAIN) {
1003 error_loc = "file changed";
1005 } else if (rc < 0) {
1006 error_loc = "cannot swap layout";
1011 rc2 = llapi_group_unlock(fd, gid);
1012 if (rc2 < 0 && rc == 0) {
1013 error_loc = "unlock group lock";
1021 * Internal helper for migrate_copy_data(). Check lease and report error if
1024 * \param[in] fd File descriptor on which to check the lease.
1026 * \retval 0 Migration can keep on going.
1027 * \retval -errno Error occurred, abort migration.
1029 static int check_lease(int fd)
1033 rc = llapi_lease_check(fd);
1035 return 0; /* llapi_check_lease returns > 0 on success. */
1040 static int migrate_nonblock(int fd, int fdv)
1046 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1048 error_loc = "cannot get data version";
1052 rc = migrate_copy_data(fd, fdv, check_lease);
1054 error_loc = "data copy failed";
1058 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1060 error_loc = "cannot get data version";
1066 error_loc = "source file changed";
1070 /* Make sure we keep original atime/mtime values */
1071 rc = migrate_copy_timestamps(fd, fdv);
1073 error_loc = "timestamp copy failed";
1080 static int lfs_component_set(char *fname, int comp_id,
1081 __u32 flags, __u32 neg_flags)
1084 __u32 flags_array[2];
1089 ids[count] = comp_id;
1090 flags_array[count] = flags;
1095 if (neg_flags & LCME_FL_STALE) {
1096 fprintf(stderr, "%s: cannot clear 'stale' flags from "
1097 "component. Please use lfs-mirror-resync(1) "
1098 "instead\n", progname);
1102 ids[count] = comp_id;
1103 flags_array[count] = neg_flags | LCME_FL_NEG;
1107 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1109 if (errno == EUCLEAN) {
1112 "%s: cannot set 'stale' flag on component '%#x' of the last non-stale mirror of '%s'\n",
1113 progname, comp_id, fname);
1116 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1117 progname, comp_id, fname, flags, neg_flags);
1124 static int lfs_component_del(char *fname, __u32 comp_id,
1125 __u32 flags, __u32 neg_flags)
1129 if (flags && neg_flags)
1132 if (!flags && neg_flags)
1133 flags = neg_flags | LCME_FL_NEG;
1135 if ((flags && comp_id) || (!flags && !comp_id))
1139 if (flags & ~LCME_KNOWN_FLAGS) {
1141 "%s setstripe: unknown flags %#x\n",
1145 } else if (comp_id > LCME_ID_MAX) {
1146 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1151 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1154 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1155 progname, comp_id, fname, strerror(errno));
1159 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1166 rc = llapi_layout_file_comp_add(fname, layout);
1168 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1169 fname, strerror(errno));
1173 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1174 struct llapi_layout *layout)
1182 fd = lstat(fname, &st);
1183 if (fd == 0 && S_ISDIR(st.st_mode))
1184 open_flags = O_DIRECTORY | O_RDONLY;
1186 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1188 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1189 S_ISDIR(st.st_mode) ?
1190 "set default composite layout for" :
1191 "create composite file",
1192 fname, strerror(errno));
1196 static int lfs_migrate(char *name, __u64 migration_flags,
1197 struct llapi_stripe_param *param,
1198 struct llapi_layout *layout)
1200 struct llapi_layout *existing;
1201 uint64_t dom_new, dom_cur;
1206 rc = migrate_open_files(name, migration_flags, param, layout,
1211 rc = llapi_layout_dom_size(layout, &dom_new);
1213 error_loc = "cannot get new layout DoM size";
1216 /* special case for migration to DOM layout*/
1217 existing = llapi_layout_get_by_fd(fd, 0);
1219 error_loc = "cannot get existing layout";
1223 rc = llapi_layout_dom_size(existing, &dom_cur);
1225 error_loc = "cannot get current layout DoM size";
1229 /* if file has DoM layout already then migration is possible to
1230 * the new layout with the same DoM component via swap layout,
1231 * if new layout used bigger DOM size, then mirroring is used
1233 if (dom_new > dom_cur) {
1234 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1237 error_loc = "cannot migrate to DOM layout";
1241 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1242 /* Blocking mode (forced if servers do not support file lease).
1243 * It is also the default mode, since we cannot distinguish
1244 * between a broken lease and a server that does not support
1245 * atomic swap/close (LU-6785) */
1246 rc = migrate_block(fd, fdv);
1250 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1252 error_loc = "cannot get lease";
1256 rc = migrate_nonblock(fd, fdv);
1258 llapi_lease_release(fd);
1262 /* Atomically put lease, swap layouts and close.
1263 * for a migration we need to check data version on file did
1265 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1267 error_loc = "cannot swap layout";
1279 fprintf(stderr, "error: %s: %s: %s: %s\n",
1280 progname, name, error_loc, strerror(-rc));
1281 else if (migration_flags & MIGRATION_VERBOSE)
1282 printf("%s\n", name);
1287 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1296 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1300 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1301 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1302 const char *comp_name = comp_flags_table[i].cfn_name;
1304 if (strcmp(name, comp_name) == 0) {
1305 *flags |= comp_flag;
1307 } else if (strncmp(name, "^", 1) == 0 &&
1308 strcmp(name + 1, comp_name) == 0) {
1309 *neg_flags |= comp_flag;
1314 llapi_printf(LLAPI_MSG_ERROR,
1315 "%s: component flag '%s' not supported\n",
1321 if (!*flags && !*neg_flags)
1324 /* don't allow to set and exclude the same flag */
1325 if (*flags & *neg_flags)
1331 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1339 if (strncmp(string, "^", 1) == 0) {
1340 *neg_state = llapi_layout_string_flags(string + 1);
1341 if (*neg_state != 0)
1344 *state = llapi_layout_string_flags(string);
1349 llapi_printf(LLAPI_MSG_ERROR,
1350 "%s: mirrored file state '%s' not supported\n",
1356 * struct mirror_args - Command-line arguments for mirror(s).
1357 * @m_count: Number of mirrors to be created with this layout.
1358 * @m_flags: Mirror level flags, only 'prefer' is supported.
1359 * @m_layout: Mirror layout.
1360 * @m_file: A victim file. Its layout will be split and used as a mirror.
1361 * @m_next: Point to the next node of the list.
1363 * Command-line arguments for mirror(s) will be parsed and stored in
1364 * a linked list that consists of this structure.
1366 struct mirror_args {
1369 struct llapi_layout *m_layout;
1371 struct mirror_args *m_next;
1375 * enum mirror_flags - Flags for extending a mirrored file.
1376 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1377 * in case the victim file(s) contains the same data as the
1378 * original mirrored file.
1379 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1380 * @MF_COMP_ID: specified component id instead of mirror id
1382 * Flags for extending a mirrored file.
1392 * mirror_create_sanity_check() - Check mirror list.
1393 * @list: A linked list that stores the mirror arguments.
1395 * This function does a sanity check on @list for creating
1398 * Return: 0 on success or a negative error code on failure.
1400 static int mirror_create_sanity_check(const char *fname,
1401 struct mirror_args *list)
1404 bool has_m_file = false;
1405 bool has_m_layout = false;
1411 struct llapi_layout *layout;
1413 layout = llapi_layout_get_by_path(fname, 0);
1416 "error: %s: file '%s' couldn't get layout\n",
1421 rc = llapi_layout_sanity(layout, false, true);
1423 llapi_layout_free(layout);
1426 llapi_layout_sanity_perror(rc);
1431 while (list != NULL) {
1432 if (list->m_file != NULL) {
1434 llapi_layout_free(list->m_layout);
1437 llapi_layout_get_by_path(list->m_file, 0);
1438 if (list->m_layout == NULL) {
1440 "error: %s: file '%s' has no layout\n",
1441 progname, list->m_file);
1445 has_m_layout = true;
1446 if (list->m_layout == NULL) {
1447 fprintf(stderr, "error: %s: no mirror layout\n",
1453 rc = llapi_layout_sanity(list->m_layout, false, true);
1455 llapi_layout_sanity_perror(rc);
1459 list = list->m_next;
1462 if (has_m_file && has_m_layout) {
1464 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1472 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1474 __u32 mirror_flags = *(__u32 *)cbdata;
1478 rc = llapi_layout_comp_flags_get(layout, &flags);
1483 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1488 return LLAPI_LAYOUT_ITER_CONT;
1492 * mirror_create() - Create a mirrored file.
1493 * @fname: The file to be created.
1494 * @mirror_list: A linked list that stores the mirror arguments.
1496 * This function creates a mirrored file @fname with the mirror(s)
1497 * from @mirror_list.
1499 * Return: 0 on success or a negative error code on failure.
1501 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1503 struct llapi_layout *layout = NULL;
1504 struct mirror_args *cur_mirror = NULL;
1505 uint16_t mirror_count = 0;
1509 rc = mirror_create_sanity_check(NULL, mirror_list);
1513 cur_mirror = mirror_list;
1514 while (cur_mirror != NULL) {
1515 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1517 &cur_mirror->m_flags);
1520 fprintf(stderr, "%s: failed to set mirror flags\n",
1525 for (i = 0; i < cur_mirror->m_count; i++) {
1526 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1529 fprintf(stderr, "error: %s: "
1530 "merge layout failed: %s\n",
1531 progname, strerror(errno));
1535 mirror_count += cur_mirror->m_count;
1536 cur_mirror = cur_mirror->m_next;
1539 if (layout == NULL) {
1540 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1544 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1547 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1548 progname, strerror(errno));
1552 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1560 llapi_layout_free(layout);
1565 * Compare files and check lease on @fd.
1567 * \retval bytes number of bytes are the same
1569 static ssize_t mirror_file_compare(int fd, int fdv)
1571 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1573 ssize_t bytes_done = 0;
1574 ssize_t bytes_read = 0;
1576 buf = malloc(buflen * 2);
1581 if (!llapi_lease_check(fd)) {
1582 bytes_done = -EBUSY;
1586 bytes_read = read(fd, buf, buflen);
1587 if (bytes_read <= 0)
1590 if (bytes_read != read(fdv, buf + buflen, buflen))
1593 /* XXX: should compute the checksum on each buffer and then
1594 * compare checksum to avoid cache collision */
1595 if (memcmp(buf, buf + buflen, bytes_read))
1598 bytes_done += bytes_read;
1606 static int mirror_extend_file(const char *fname, const char *victim_file,
1607 enum mirror_flags mirror_flags)
1612 struct stat stbuf_v;
1613 struct ll_ioc_lease *data = NULL;
1616 fd = open(fname, O_RDWR);
1618 error_loc = "open source file";
1623 fdv = open(victim_file, O_RDWR);
1625 error_loc = "open target file";
1630 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1631 error_loc = "stat source or target file";
1636 if (stbuf.st_dev != stbuf_v.st_dev) {
1637 error_loc = "stat source and target file";
1642 /* mirrors should be of the same size */
1643 if (stbuf.st_size != stbuf_v.st_size) {
1644 error_loc = "file sizes don't match";
1649 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1651 error_loc = "cannot get lease";
1655 if (!(mirror_flags & MF_NO_VERIFY)) {
1657 /* mirrors should have the same contents */
1658 ret = mirror_file_compare(fd, fdv);
1659 if (ret != stbuf.st_size) {
1660 error_loc = "file busy or contents don't match";
1661 rc = ret < 0 ? ret : -EINVAL;
1666 /* Get rid of caching pages from clients */
1667 rc = llapi_file_flush(fd);
1669 error_loc = "cannot get data version";
1673 rc = llapi_file_flush(fdv);
1675 error_loc = "cannot get data version";
1680 /* Make sure we keep original atime/mtime values */
1681 rc = migrate_copy_timestamps(fd, fdv);
1683 error_loc = "cannot copy timestamp";
1687 /* Atomically put lease, merge layouts and close. */
1688 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1690 error_loc = "memory allocation";
1693 data->lil_mode = LL_LEASE_UNLCK;
1694 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1695 data->lil_count = 1;
1696 data->lil_ids[0] = fdv;
1697 rc = llapi_lease_set(fd, data);
1699 error_loc = "cannot merge layout";
1701 } else if (rc == 0) {
1703 error_loc = "lost lease lock";
1716 (void) unlink(victim_file);
1718 fprintf(stderr, "error: %s: %s: %s: %s\n",
1719 progname, fname, error_loc, strerror(-rc));
1723 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1725 struct ll_ioc_lease *data = NULL;
1730 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1734 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1736 error_loc = "cannot get lease";
1740 rc = migrate_nonblock(fd, fdv);
1742 llapi_lease_release(fd);
1746 /* Atomically put lease, merge layouts and close. */
1747 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1749 error_loc = "memory allocation";
1752 data->lil_mode = LL_LEASE_UNLCK;
1753 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1754 data->lil_count = 1;
1755 data->lil_ids[0] = fdv;
1756 rc = llapi_lease_set(fd, data);
1758 error_loc = "cannot merge layout";
1760 } else if (rc == 0) {
1762 error_loc = "lost lease lock";
1775 fprintf(stderr, "error: %s: %s: %s: %s\n",
1776 progname, name, error_loc, strerror(-rc));
1780 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1781 enum mirror_flags mirror_flags)
1785 rc = mirror_create_sanity_check(fname, mirror_list);
1789 while (mirror_list) {
1790 if (mirror_list->m_file != NULL) {
1791 rc = mirror_extend_file(fname, mirror_list->m_file,
1794 __u32 mirror_count = mirror_list->m_count;
1796 while (mirror_count > 0) {
1797 rc = mirror_extend_layout(fname,
1798 mirror_list->m_layout);
1808 mirror_list = mirror_list->m_next;
1814 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1819 rc = llapi_layout_mirror_id_get(layout, &id);
1823 if ((__u16)id == *(__u16 *)cbdata)
1824 return LLAPI_LAYOUT_ITER_STOP;
1826 return LLAPI_LAYOUT_ITER_CONT;
1829 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1834 rc = llapi_layout_comp_id_get(layout, &id);
1838 if (id == *(__u32 *)cbdata)
1839 return LLAPI_LAYOUT_ITER_STOP;
1841 return LLAPI_LAYOUT_ITER_CONT;
1844 struct pool_to_id_cbdata {
1848 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
1850 char buf[LOV_MAXPOOLNAME + 1];
1851 struct pool_to_id_cbdata *d = (void *)cbdata;
1855 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
1858 if (strcmp(d->pool, buf))
1859 return LLAPI_LAYOUT_ITER_CONT;
1861 rc = llapi_layout_mirror_id_get(layout, &id);
1866 return LLAPI_LAYOUT_ITER_STOP;
1869 struct collect_ids_data {
1875 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
1877 struct collect_ids_data *cid = cbdata;
1881 rc = llapi_layout_mirror_id_get(layout, &id);
1885 if ((__u16)id != cid->cid_exclude) {
1888 for (i = 0; i < cid->cid_count; i++) {
1889 /* already collected the mirror id */
1890 if (id == cid->cid_ids[i])
1891 return LLAPI_LAYOUT_ITER_CONT;
1893 cid->cid_ids[cid->cid_count] = id;
1897 return LLAPI_LAYOUT_ITER_CONT;
1901 * last_non_stale_mirror() - Check if a mirror is the last non-stale mirror.
1902 * @mirror_id: Mirror id to be checked.
1903 * @layout: Mirror component list.
1905 * This function checks if a mirror with specified @mirror_id is the last
1906 * non-stale mirror of a layout @layout.
1908 * Return: true or false.
1911 bool last_non_stale_mirror(__u16 mirror_id, struct llapi_layout *layout)
1913 __u16 mirror_ids[128] = { 0 };
1914 struct collect_ids_data cid = { .cid_ids = mirror_ids,
1916 .cid_exclude = mirror_id, };
1919 llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
1921 for (i = 0; i < cid.cid_count; i++) {
1922 struct llapi_resync_comp comp_array[1024] = { { 0 } };
1925 comp_size = llapi_mirror_find_stale(layout, comp_array,
1926 ARRAY_SIZE(comp_array),
1935 static int mirror_split(const char *fname, __u32 id, const char *pool,
1936 enum mirror_flags mflags, const char *victim_file)
1938 struct llapi_layout *layout;
1939 char parent[PATH_MAX];
1940 char victim[PATH_MAX];
1941 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1943 struct ll_ioc_lease *data;
1944 uint16_t mirror_count;
1949 /* check fname contains mirror with mirror_id/comp_id */
1950 layout = llapi_layout_get_by_path(fname, 0);
1953 "error %s: file '%s' couldn't get layout\n",
1958 rc = llapi_layout_sanity(layout, false, true);
1960 llapi_layout_sanity_perror(rc);
1964 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1967 "error %s: file '%s' couldn't get mirror count\n",
1971 if (mirror_count < 2) {
1973 "error %s: file '%s' has %d component, cannot split\n",
1974 progname, fname, mirror_count);
1978 if (mflags & MF_COMP_POOL) {
1979 struct pool_to_id_cbdata data = { .pool = pool };
1981 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool,
1984 } else if (mflags & MF_COMP_ID) {
1985 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1986 id = mirror_id_of(id);
1988 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
1991 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
1994 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
1996 "error %s: file '%s' does not contain mirror with id %u\n",
1997 progname, fname, id);
2001 fd = open(fname, O_RDWR);
2004 "error %s: open file '%s' failed: %s\n",
2005 progname, fname, strerror(errno));
2009 /* get victim file directory pathname */
2010 if (strlen(fname) > sizeof(parent) - 1) {
2011 fprintf(stderr, "error %s: file name of '%s' too long\n",
2016 strncpy(parent, fname, sizeof(parent));
2017 ptr = strrchr(parent, '/');
2019 if (getcwd(parent, sizeof(parent)) == NULL) {
2020 fprintf(stderr, "error %s: getcwd failed: %s\n",
2021 progname, strerror(errno));
2031 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
2033 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
2038 if (victim_file == NULL) {
2039 /* use a temp file to store the splitted layout */
2040 if (mflags & MF_DESTROY) {
2041 if (last_non_stale_mirror(id, layout)) {
2044 "%s: cannot destroy the last non-stale mirror of file '%s'\n",
2049 fdv = llapi_create_volatile_idx(parent, mdt_index,
2050 O_LOV_DELAY_CREATE);
2052 snprintf(victim, sizeof(victim), "%s.mirror~%u",
2054 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
2057 /* user specified victim file */
2058 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
2063 "error %s: create victim file failed: %s\n",
2064 progname, strerror(errno));
2068 /* get lease lock of fname */
2069 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
2072 "error %s: cannot get lease of file '%s': %d\n",
2073 progname, fname, rc);
2077 /* Atomatically put lease, split layouts and close. */
2078 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2084 data->lil_mode = LL_LEASE_UNLCK;
2085 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2086 data->lil_count = 2;
2087 data->lil_ids[0] = fdv;
2088 data->lil_ids[1] = id;
2089 rc = llapi_lease_set(fd, data);
2091 if (rc == 0) /* lost lease lock */
2094 "error %s: cannot split '%s': %s\n",
2095 progname, fname, strerror(-rc));
2106 llapi_layout_free(layout);
2111 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2112 __u16 *mirror_ids, int ids_nr);
2114 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2115 __u64 migration_flags,
2116 struct llapi_stripe_param *param,
2117 struct llapi_layout *layout)
2119 struct ll_ioc_lease *data = NULL;
2122 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2124 error_loc = "cannot get lease";
2128 /* Atomically put lease, merge layouts, resync and close. */
2129 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2131 error_loc = "memory allocation";
2134 data->lil_mode = LL_LEASE_UNLCK;
2135 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2136 data->lil_count = 1;
2137 data->lil_ids[0] = fdv;
2138 rc = llapi_lease_set(fd, data);
2140 error_loc = "cannot merge layout";
2142 } else if (rc == 0) {
2144 error_loc = "lost lease lock";
2150 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2152 error_loc = "cannot resync file";
2156 /* delete first mirror now */
2157 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2159 error_loc = "cannot delete old layout";
2167 fprintf(stderr, "error: %s: %s: %s: %s\n",
2168 progname, name, error_loc, strerror(-rc));
2169 else if (migration_flags & MIGRATION_VERBOSE)
2170 printf("%s\n", name);
2177 * Parse a string containing an target index list into an array of integers.
2179 * The input string contains a comma delimited list of individual
2180 * indices and ranges, for example "1,2-4,7". Add the indices into the
2181 * \a tgts array and remove duplicates.
2183 * \param[out] tgts array to store indices in
2184 * \param[in] size size of \a tgts array
2185 * \param[in] offset starting index in \a tgts
2186 * \param[in] arg string containing OST index list
2187 * \param[in/out] overstriping index list may contain duplicates
2189 * \retval positive number of indices in \a tgts
2190 * \retval -EINVAL unable to parse \a arg
2192 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2193 unsigned long long *pattern)
2197 int slots = size - offset;
2199 bool overstriped = false;
2205 end_of_loop = false;
2206 while (!end_of_loop) {
2207 int start_index = 0;
2210 char *endptr = NULL;
2214 ptr = strchrnul(arg, ',');
2216 end_of_loop = *ptr == '\0';
2219 start_index = strtol(arg, &endptr, 0);
2220 if (endptr == arg) /* no data at all */
2222 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2225 end_index = start_index;
2226 if (*endptr == '-') {
2227 end_index = strtol(endptr + 1, &endptr, 0);
2228 if (*endptr != '\0')
2230 if (end_index < start_index)
2234 for (i = start_index; i <= end_index && slots > 0; i++) {
2237 /* remove duplicate */
2238 for (j = 0; j < offset; j++) {
2239 if (tgts[j] == i && pattern &&
2240 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2242 else if (tgts[j] == i)
2248 if (j == offset) { /* check complete */
2254 if (slots == 0 && i < end_index)
2262 if (!end_of_loop && ptr != NULL)
2265 if (!overstriped && pattern)
2266 *pattern = LLAPI_LAYOUT_DEFAULT;
2268 return rc < 0 ? rc : nr;
2271 struct lfs_setstripe_args {
2272 unsigned long long lsa_comp_end;
2273 unsigned long long lsa_stripe_size;
2274 unsigned long long lsa_extension_size;
2275 long long lsa_stripe_count;
2276 long long lsa_stripe_off;
2277 __u32 lsa_comp_flags;
2278 __u32 lsa_comp_neg_flags;
2279 unsigned long long lsa_pattern;
2280 unsigned int lsa_mirror_count;
2282 bool lsa_first_comp;
2283 bool lsa_extension_comp;
2285 char *lsa_pool_name;
2288 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2290 unsigned int mirror_count = lsa->lsa_mirror_count;
2291 bool first_comp = lsa->lsa_first_comp;
2293 memset(lsa, 0, sizeof(*lsa));
2295 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2296 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2297 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2298 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2299 lsa->lsa_pool_name = NULL;
2301 lsa->lsa_mirror_count = mirror_count;
2302 lsa->lsa_first_comp = first_comp;
2306 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2307 * @lsa: Stripe options to be initialized and inherited.
2309 * This function initializes stripe options in @lsa and inherit
2310 * stripe_size, stripe_count and OST pool_name options.
2314 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2316 unsigned long long stripe_size;
2317 long long stripe_count;
2318 char *pool_name = NULL;
2320 stripe_size = lsa->lsa_stripe_size;
2321 stripe_count = lsa->lsa_stripe_count;
2322 pool_name = lsa->lsa_pool_name;
2324 setstripe_args_init(lsa);
2326 lsa->lsa_stripe_size = stripe_size;
2327 lsa->lsa_stripe_count = stripe_count;
2328 lsa->lsa_pool_name = pool_name;
2331 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2333 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2334 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2335 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2336 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2337 lsa->lsa_comp_end != 0);
2341 * comp_args_to_layout() - Create or extend a composite layout.
2342 * @composite: Pointer to the composite layout.
2343 * @lsa: Stripe options for the new component.
2345 * This function creates or extends a composite layout by adding a new
2346 * component with stripe options from @lsa.
2348 * Return: 0 on success or an error code on failure.
2350 static int comp_args_to_layout(struct llapi_layout **composite,
2351 struct lfs_setstripe_args *lsa,
2354 struct llapi_layout *layout = *composite;
2355 uint64_t prev_end = 0;
2360 if (layout == NULL) {
2361 layout = llapi_layout_alloc();
2362 if (layout == NULL) {
2363 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2368 *composite = layout;
2369 lsa->lsa_first_comp = true;
2373 /* Get current component extent, current component
2374 * must be the tail component. */
2375 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2377 fprintf(stderr, "Get comp extent failed. %s\n",
2382 if (lsa->lsa_first_comp)
2385 if (lsa->lsa_first_comp)
2386 rc = llapi_layout_add_first_comp(layout);
2388 rc = llapi_layout_comp_add(layout);
2390 fprintf(stderr, "Add component failed. %s\n",
2396 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2398 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2399 lsa->lsa_comp_flags, strerror(errno));
2404 uint64_t comp_end = lsa->lsa_comp_end;
2406 /* The extendable component is 0-length, so it can be removed
2407 * if there is insufficient space to extend it. */
2408 if (lsa->lsa_extension_comp)
2409 comp_end = prev_end;
2411 rc = llapi_layout_comp_extent_set(layout, prev_end,
2414 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2415 prev_end, comp_end, strerror(errno));
2419 /* reset lsa_first_comp */
2420 lsa->lsa_first_comp = false;
2422 /* Data-on-MDT component setting */
2423 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2424 /* In case of Data-on-MDT patterns the only extra option
2425 * applicable is stripe size option. */
2426 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2427 fprintf(stderr, "Option 'stripe-count' can't be "
2428 "specified with Data-on-MDT component: %lld\n",
2429 (long long)lsa->lsa_stripe_count);
2433 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2434 fprintf(stderr, "Option 'stripe-size' can't be "
2435 "specified with Data-on-MDT component: %llu\n",
2436 (unsigned long long)lsa->lsa_stripe_size);
2440 if (lsa->lsa_nr_tgts != 0) {
2441 fprintf(stderr, "Option 'ost-list' can't be specified "
2442 "with Data-on-MDT component: '%i'\n",
2447 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2448 fprintf(stderr, "Option 'stripe-offset' can't be "
2449 "specified with Data-on-MDT component: %lld\n",
2450 (long long)lsa->lsa_stripe_off);
2454 if (lsa->lsa_pool_name != 0) {
2455 fprintf(stderr, "Option 'pool' can't be specified "
2456 "with Data-on-MDT component: '%s'\n",
2457 lsa->lsa_pool_name);
2462 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2464 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2465 (unsigned long long)lsa->lsa_pattern,
2469 /* Data-on-MDT component has always single stripe up to end */
2470 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2471 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2472 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2474 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2475 (unsigned long long)lsa->lsa_pattern,
2481 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2482 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2484 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2485 rc = llapi_layout_extension_size_set(layout, size);
2487 rc = llapi_layout_stripe_size_set(layout, size);
2490 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2491 size, strerror(errno));
2495 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2497 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2498 (long long)lsa->lsa_stripe_count, strerror(errno));
2502 if (lsa->lsa_pool_name != NULL) {
2503 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2505 fprintf(stderr, "Set pool name: %s failed. %s\n",
2506 lsa->lsa_pool_name, strerror(errno));
2510 rc = llapi_layout_pool_name_set(layout, "");
2512 fprintf(stderr, "Clear pool name failed: %s\n",
2518 if (lsa->lsa_nr_tgts > 0) {
2519 if (lsa->lsa_stripe_count > 0 &&
2520 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2521 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2522 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2523 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2524 (long long)lsa->lsa_stripe_count,
2529 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2530 rc = llapi_layout_ost_index_set(layout, i,
2535 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2536 lsa->lsa_stripe_off != -1) {
2537 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2540 fprintf(stderr, "Set ost index %d failed. %s\n",
2541 i, strerror(errno));
2545 /* Create the second, virtual component of extension space */
2546 if (lsa->lsa_extension_comp) {
2547 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2548 lsa->lsa_extension_comp = false;
2555 static int build_component(struct llapi_layout **layout,
2556 struct lfs_setstripe_args *lsa, bool set_extent)
2560 rc = comp_args_to_layout(layout, lsa, set_extent);
2564 if (lsa->lsa_mirror_count > 0) {
2565 rc = llapi_layout_mirror_count_set(*layout,
2566 lsa->lsa_mirror_count);
2570 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2573 lsa->lsa_mirror_count = 0;
2579 static int build_layout_from_yaml_node(struct cYAML *node,
2580 struct llapi_layout **layout,
2581 struct lfs_setstripe_args *lsa,
2588 if (node->cy_type == CYAML_TYPE_OBJECT) {
2589 /* go deep to sub blocks */
2590 rc = build_layout_from_yaml_node(node->cy_child, layout,
2595 if (node->cy_string == NULL)
2598 string = node->cy_string;
2599 /* skip leading lmm_ if present, to simplify parsing */
2600 if (strncmp(string, "lmm_", 4) == 0)
2603 if (node->cy_type == CYAML_TYPE_STRING) {
2604 if (!strcmp(string, "lcme_extent.e_end")) {
2605 if (!strcmp(node->cy_valuestring, "EOF") ||
2606 !strcmp(node->cy_valuestring, "eof"))
2607 lsa->lsa_comp_end = LUSTRE_EOF;
2608 } else if (!strcmp(string, "pool")) {
2609 lsa->lsa_pool_name = node->cy_valuestring;
2610 } else if (!strcmp(string, "pattern")) {
2611 if (!strcmp(node->cy_valuestring, "mdt"))
2612 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2613 if (!strcmp(node->cy_valuestring,
2614 "raid0,overstriped"))
2616 LLAPI_LAYOUT_OVERSTRIPING;
2617 } else if (!strcmp(string, "lcme_flags")) {
2618 rc = comp_str2flags(node->cy_valuestring,
2619 &lsa->lsa_comp_flags,
2620 &lsa->lsa_comp_neg_flags);
2623 /* Only template flags have meaning in
2624 * the layout for a new file
2626 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2628 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2629 if (!strcmp(string, "lcm_mirror_count")) {
2630 lsa->lsa_mirror_count = node->cy_valueint;
2631 } else if (!strcmp(string, "lcme_extent.e_start")) {
2632 if (node->cy_valueint != 0 || *layout != NULL) {
2633 rc = build_component(layout, lsa, true);
2638 if (node->cy_valueint == 0)
2639 lsa->lsa_first_comp = true;
2641 /* initialize lsa */
2642 setstripe_args_init(lsa);
2643 lsa->lsa_tgts = osts;
2644 } else if (!strcmp(string, "lcme_extent.e_end")) {
2645 if (node->cy_valueint == -1)
2646 lsa->lsa_comp_end = LUSTRE_EOF;
2648 lsa->lsa_comp_end = node->cy_valueint;
2649 } else if (!strcmp(string, "stripe_count")) {
2650 lsa->lsa_stripe_count = node->cy_valueint;
2651 } else if (!strcmp(string, "stripe_size")) {
2652 lsa->lsa_stripe_size = node->cy_valueint;
2653 } else if (!strcmp(string, "stripe_offset")) {
2654 lsa->lsa_stripe_off = node->cy_valueint;
2655 } else if (!strcmp(string, "l_ost_idx")) {
2656 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2661 node = node->cy_next;
2667 static int lfs_comp_create_from_yaml(char *template,
2668 struct llapi_layout **layout,
2669 struct lfs_setstripe_args *lsa,
2672 struct cYAML *tree = NULL, *err_rc = NULL;
2675 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2677 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2678 progname, template);
2679 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2680 "can't parse", &err_rc);
2681 cYAML_print_tree2file(stderr, err_rc);
2682 cYAML_free_tree(err_rc);
2687 /* initialize lsa for plain file */
2688 setstripe_args_init(lsa);
2689 lsa->lsa_tgts = osts;
2691 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2693 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2694 progname, template);
2697 rc = build_component(layout, lsa, *layout != NULL);
2699 /* clean clean lsa */
2700 setstripe_args_init(lsa);
2704 cYAML_free_tree(tree);
2709 * Get the extension size from the next (SEL) component and extend the
2710 * current component on it. The start of the next component is to be
2713 * \param[in] layout the current layout
2714 * \param[in] start the start of the current component
2715 * \param[in,out] end the end of the current component
2716 * \param[in] offset the offset to adjust the end position to instead of
2719 * \retval 0 - extended successfully
2720 * \retval < 0 - error
2722 static int layout_extend_comp(struct llapi_layout *layout,
2723 uint64_t start, uint64_t *end,
2726 uint64_t size, next_start, next_end;
2729 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
2731 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2732 "%s\n", progname, strerror(errno));
2736 /* Even if the @size will not be used below, this will fail if
2737 * this is not a SEL component - a good confirmation we are
2738 * working on right components. */
2739 rc = llapi_layout_extension_size_get(layout, &size);
2741 fprintf(stderr, "%s setstripe: cannot get component ext size: "
2742 "%s\n", progname, strerror(errno));
2746 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
2748 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2749 progname, strerror(errno));
2753 next_start += offset ?: size;
2754 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
2756 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2757 progname, strerror(errno));
2761 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
2763 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2764 "%s\n", progname, strerror(errno));
2768 *end += offset ?: size;
2769 rc = llapi_layout_comp_extent_set(layout, start, *end);
2771 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2772 progname, strerror(errno));
2780 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
2781 * end of the last component in the existing file, and adjust the
2782 * first extent start of the components to be added accordingly.
2784 * In the create mode, we need to check if the first component is an extendable
2785 * SEL component and extend its length to the extension size (first component
2786 * of the PFL file is initialised at the create time, cannot be 0-lenght.
2788 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
2791 struct llapi_layout *head;
2792 uint64_t start = 0, prev_end = 0;
2801 head = llapi_layout_get_by_path(fname, 0);
2804 "%s setstripe: cannot read layout from '%s': "
2805 "%s\n", progname, fname, strerror(errno));
2807 } else if (errno == ENODATA) {
2808 /* file without LOVEA, this component-add will be turned
2809 * into a component-create. */
2810 llapi_layout_free(head);
2813 /* the new layout will be added to an empty one, it
2814 * still needs to be adjusted below */
2817 } else if (!llapi_layout_is_composite(head)) {
2818 fprintf(stderr, "%s setstripe: '%s' not a composite "
2819 "file\n", progname, fname);
2820 llapi_layout_free(head);
2824 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2826 fprintf(stderr, "%s setstripe: cannot get prev "
2827 "extent: %s\n", progname, strerror(errno));
2828 llapi_layout_free(head);
2832 llapi_layout_free(head);
2836 /* Make sure we use the first component of the layout to be added. */
2837 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2840 "%s setstripe: cannot move component cursor: %s\n",
2841 progname, strerror(errno));
2845 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2847 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2848 progname, strerror(errno));
2852 if (start == 0 && end == 0) {
2853 rc = layout_extend_comp(layout, start, &end,
2854 comp_add ? prev_end : 0);
2859 if (start > prev_end || end < prev_end) {
2860 fprintf(stderr, "%s setstripe: first extent [%lu, %lu) not "
2861 "adjacent with extent end %lu\n",
2862 progname, start, end, prev_end);
2866 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2868 fprintf(stderr, "%s setstripe: cannot set component extent "
2870 progname, prev_end, end, strerror(errno));
2877 static int mirror_adjust_first_extents(struct mirror_args *list)
2884 while (list != NULL) {
2885 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
2888 list = list->m_next;
2894 static inline bool arg_is_eof(char *arg)
2896 return !strncmp(arg, "-1", strlen("-1")) ||
2897 !strncmp(arg, "EOF", strlen("EOF")) ||
2898 !strncmp(arg, "eof", strlen("eof"));
2902 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2904 * Return: Valid mirror_args pointer on success and
2905 * NULL if memory allocation fails.
2907 static struct mirror_args *lfs_mirror_alloc(void)
2909 struct mirror_args *mirror = NULL;
2912 mirror = calloc(1, sizeof(*mirror));
2923 * lfs_mirror_free() - Free memory allocated for a mirror argument
2925 * @mirror: Previously allocated mirror argument structure by
2926 * lfs_mirror_alloc().
2928 * Free memory allocated for @mirror.
2932 static void lfs_mirror_free(struct mirror_args *mirror)
2934 if (mirror->m_layout != NULL)
2935 llapi_layout_free(mirror->m_layout);
2940 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2941 * @mirror_list: Previously allocated mirror list.
2943 * Free memory allocated for @mirror_list.
2947 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2949 struct mirror_args *next_mirror = NULL;
2951 while (mirror_list != NULL) {
2952 next_mirror = mirror_list->m_next;
2953 lfs_mirror_free(mirror_list);
2954 mirror_list = next_mirror;
2966 LFS_COMP_NO_VERIFY_OPT,
2968 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
2970 LFS_MIRROR_STATE_OPT,
2972 LFS_MIRROR_INDEX_OPT,
2973 LFS_LAYOUT_FOREIGN_OPT,
2978 static int lfs_setstripe_internal(int argc, char **argv,
2979 enum setstripe_origin opc)
2981 struct lfs_setstripe_args lsa = { 0 };
2982 struct llapi_stripe_param *param = NULL;
2983 struct find_param migrate_mdt_param = {
2993 unsigned long long size_units = 1;
2994 bool migrate_mode = false;
2995 bool migrate_mdt_mode = false;
2996 bool setstripe_mode = false;
2997 bool migration_block = false;
2998 __u64 migration_flags = 0;
2999 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
3000 int comp_del = 0, comp_set = 0;
3003 struct llapi_layout *layout = NULL;
3004 struct llapi_layout **lpp = &layout;
3005 bool mirror_mode = false;
3006 bool has_m_file = false;
3007 __u32 mirror_count = 0;
3008 enum mirror_flags mirror_flags = 0;
3009 struct mirror_args *mirror_list = NULL;
3010 struct mirror_args *new_mirror = NULL;
3011 struct mirror_args *last_mirror = NULL;
3012 __u16 mirror_id = 0;
3014 bool from_yaml = false;
3015 bool from_copy = false;
3016 char *template = NULL;
3017 bool foreign_mode = false;
3019 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
3020 char *mode_opt = NULL;
3021 mode_t previous_umask = 0;
3022 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
3024 struct option long_opts[] = {
3025 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
3026 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3027 /* --block is only valid in migrate mode */
3028 { .val = 'b', .name = "block", .has_arg = no_argument },
3029 { .val = LFS_COMP_ADD_OPT,
3030 .name = "comp-add", .has_arg = no_argument },
3031 { .val = LFS_COMP_ADD_OPT,
3032 .name = "component-add", .has_arg = no_argument },
3033 { .val = LFS_COMP_DEL_OPT,
3034 .name = "comp-del", .has_arg = no_argument },
3035 { .val = LFS_COMP_DEL_OPT,
3036 .name = "component-del", .has_arg = no_argument },
3037 { .val = LFS_COMP_FLAGS_OPT,
3038 .name = "comp-flags", .has_arg = required_argument },
3039 { .val = LFS_COMP_FLAGS_OPT,
3040 .name = "component-flags",
3041 .has_arg = required_argument },
3042 { .val = LFS_COMP_SET_OPT,
3043 .name = "comp-set", .has_arg = no_argument },
3044 { .val = LFS_COMP_SET_OPT,
3045 .name = "component-set",
3046 .has_arg = no_argument},
3047 { .val = LFS_COMP_NO_VERIFY_OPT,
3048 .name = "no-verify", .has_arg = no_argument},
3049 { .val = LFS_LAYOUT_FLAGS_OPT,
3050 .name = "flags", .has_arg = required_argument},
3051 { .val = LFS_LAYOUT_FOREIGN_OPT,
3052 .name = "foreign", .has_arg = optional_argument},
3053 { .val = LFS_MIRROR_ID_OPT,
3054 .name = "mirror-id", .has_arg = required_argument},
3055 { .val = LFS_MODE_OPT,
3056 .name = "mode", .has_arg = required_argument},
3057 { .val = LFS_LAYOUT_COPY,
3058 .name = "copy", .has_arg = required_argument},
3059 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
3060 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
3061 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
3062 { .val = 'C', .name = "overstripe-count",
3063 .has_arg = required_argument},
3064 { .val = 'd', .name = "delete", .has_arg = no_argument},
3065 { .val = 'd', .name = "destroy", .has_arg = no_argument},
3066 /* --non-direct is only valid in migrate mode */
3067 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
3068 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
3069 { .val = 'E', .name = "component-end",
3070 .has_arg = required_argument},
3071 { .val = 'f', .name = "file", .has_arg = required_argument },
3072 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3073 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
3074 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3075 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
3076 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
3077 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
3078 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
3079 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
3080 { .val = 'I', .name = "component-id", .has_arg = required_argument},
3081 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
3082 { .val = 'L', .name = "layout", .has_arg = required_argument },
3083 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3084 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3085 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3086 /* --non-block is only valid in migrate mode */
3087 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3088 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3089 { .val = 'o', .name = "ost", .has_arg = required_argument },
3090 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3091 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3092 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3094 { .val = 'p', .name = "pool", .has_arg = required_argument },
3095 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3096 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3097 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3098 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3099 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3100 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3101 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3102 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3103 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3104 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3105 /* --verbose is only valid in migrate mode */
3106 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3107 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3108 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3109 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3110 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3113 setstripe_args_init(&lsa);
3115 migrate_mode = (opc == SO_MIGRATE);
3116 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3117 setstripe_mode = (opc == SO_SETSTRIPE);
3119 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3121 while ((c = getopt_long(argc, argv,
3122 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3123 long_opts, NULL)) >= 0) {
3129 case LFS_COMP_ADD_OPT:
3132 case LFS_COMP_DEL_OPT:
3135 case LFS_COMP_FLAGS_OPT:
3136 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3137 &lsa.lsa_comp_neg_flags);
3140 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3141 fprintf(stderr, "%s: inverted flags are not supported\n",
3146 case LFS_COMP_SET_OPT:
3149 case LFS_COMP_NO_VERIFY_OPT:
3150 mirror_flags |= MF_NO_VERIFY;
3152 case LFS_MIRROR_ID_OPT:
3153 mirror_id = strtoul(optarg, &end, 0);
3154 if (*end != '\0' || mirror_id == 0) {
3156 "%s %s: invalid mirror ID '%s'\n",
3157 progname, argv[0], optarg);
3161 case LFS_LAYOUT_FLAGS_OPT: {
3164 /* check for numeric flags (foreign and mirror cases) */
3165 if (setstripe_mode && !mirror_mode && !last_mirror) {
3166 flags = strtoul(optarg, &end, 16);
3169 "%s %s: bad flags '%s'\n",
3170 progname, argv[0], optarg);
3176 if (!mirror_mode || !last_mirror) {
3177 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
3182 result = comp_str2flags(optarg, &last_mirror->m_flags,
3188 fprintf(stderr, "%s: inverted flags are not supported\n",
3193 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3195 "%s: unsupported mirror flags: %s\n",
3202 case LFS_LAYOUT_FOREIGN_OPT:
3203 if (optarg != NULL) {
3204 /* check pure numeric */
3205 type = strtoul(optarg, &end, 0);
3208 type = check_foreign_type_name(optarg);
3209 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3211 "%s %s: unrecognized foreign type '%s'\n",
3218 foreign_mode = true;
3222 if (mode_opt != NULL) {
3223 mode = strtoul(mode_opt, &end, 8);
3226 "%s %s: bad mode '%s'\n",
3227 progname, argv[0], mode_opt);
3230 previous_umask = umask(0);
3233 case LFS_LAYOUT_COPY:
3238 if (!migrate_mode) {
3240 "%s %s: -b|--block valid only for migrate command\n",
3244 migration_block = true;
3247 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3250 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3253 "%s %s: invalid stripe count '%s'\n",
3254 progname, argv[0], optarg);
3258 if (lsa.lsa_stripe_count == -1)
3259 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3262 /* delete the default striping pattern */
3264 if (opc == SO_MIRROR_SPLIT) {
3267 "%s %s: -d cannot used with -f\n",
3271 mirror_flags |= MF_DESTROY;
3275 if (!migrate_mode) {
3277 "%s %s: -D|--non-direct is valid "
3278 "only for migrate command\n",
3282 migration_flags |= MIGRATION_NONDIRECT;
3285 if (lsa.lsa_comp_end != 0) {
3286 result = comp_args_to_layout(lpp, &lsa, true);
3288 fprintf(stderr, "%s: invalid layout\n",
3293 setstripe_args_init_inherit(&lsa);
3296 if (arg_is_eof(optarg)) {
3297 lsa.lsa_comp_end = LUSTRE_EOF;
3299 result = llapi_parse_size(optarg,
3304 "%s %s: invalid component end '%s'\n",
3305 progname, argv[0], optarg);
3311 if (!migrate_mode) {
3312 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3316 lsa.lsa_pattern = check_hashtype(optarg);
3317 if (lsa.lsa_pattern == 0) {
3319 "%s %s: bad stripe hash type '%s'\n",
3320 progname, argv[0], optarg);
3325 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3328 "%s %s: invalid stripe offset '%s'\n",
3329 progname, argv[0], optarg);
3332 if (lsa.lsa_stripe_off == -1)
3333 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3336 comp_id = strtoul(optarg, &end, 0);
3337 if (*end != '\0' || comp_id == 0 ||
3338 comp_id > LCME_ID_MAX) {
3340 "%s %s: invalid component ID '%s'\n",
3341 progname, argv[0], optarg);
3346 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3348 "error: %s: invalid option: %s\n",
3349 progname, argv[optopt + 1]);
3352 if (opc == SO_MIRROR_EXTEND) {
3353 if (last_mirror == NULL) {
3355 "error: %s: '-N' must exist in front of '%s'\n",
3356 progname, argv[optopt + 1]);
3359 last_mirror->m_file = optarg;
3360 last_mirror->m_count = 1;
3363 if (mirror_list == NULL)
3364 mirror_list = lfs_mirror_alloc();
3365 mirror_list->m_file = optarg;
3370 if (strcmp(argv[optind - 1], "mdt") == 0) {
3371 /* Can be only the first component */
3372 if (layout != NULL) {
3374 fprintf(stderr, "error: 'mdt' layout "
3375 "can be only the first one\n");
3378 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3380 fprintf(stderr, "error: 'mdt' layout "
3381 "size is too big\n");
3384 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3385 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3387 fprintf(stderr, "error: layout '%s' is "
3388 "unknown, supported layouts are: "
3389 "'mdt', 'raid0'\n", argv[optind]);
3394 if (!migrate_mode) {
3396 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3400 migrate_mdt_mode = true;
3401 lsa.lsa_nr_tgts = parse_targets(tgts,
3402 sizeof(tgts) / sizeof(__u32),
3403 lsa.lsa_nr_tgts, optarg, NULL);
3404 if (lsa.lsa_nr_tgts < 0) {
3406 "%s %s: invalid MDT target(s) '%s'\n",
3407 progname, argv[0], optarg);
3411 lsa.lsa_tgts = tgts;
3412 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3413 lsa.lsa_stripe_off = tgts[0];
3416 if (!migrate_mode) {
3418 "%s %s: -n|--non-block valid only for migrate command\n",
3422 migration_flags |= MIGRATION_NONBLOCK;
3425 if (opc == SO_SETSTRIPE) {
3426 opc = SO_MIRROR_CREATE;
3430 if (optarg != NULL) {
3431 mirror_count = strtoul(optarg, &end, 0);
3432 if (*end != '\0' || mirror_count == 0) {
3434 "error: %s: bad mirror count: %s\n",
3441 new_mirror = lfs_mirror_alloc();
3442 new_mirror->m_count = mirror_count;
3444 if (mirror_list == NULL)
3445 mirror_list = new_mirror;
3447 if (last_mirror != NULL) {
3448 /* wrap up last mirror */
3449 if (lsa.lsa_comp_end == 0)
3450 lsa.lsa_comp_end = LUSTRE_EOF;
3452 result = comp_args_to_layout(lpp, &lsa, true);
3454 lfs_mirror_free(new_mirror);
3458 setstripe_args_init_inherit(&lsa);
3460 last_mirror->m_next = new_mirror;
3463 last_mirror = new_mirror;
3464 lpp = &last_mirror->m_layout;
3467 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3468 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3469 fprintf(stderr, "warning: '--ost-list' is "
3470 "deprecated, use '--ost' instead\n");
3472 /* -o allows overstriping, and must note it because
3473 * parse_targets is shared with MDT striping, which
3474 * does not allow duplicates
3476 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3477 lsa.lsa_nr_tgts = parse_targets(tgts,
3478 sizeof(tgts) / sizeof(__u32),
3479 lsa.lsa_nr_tgts, optarg,
3481 if (lsa.lsa_nr_tgts < 0) {
3483 "%s %s: invalid OST target(s) '%s'\n",
3484 progname, argv[0], optarg);
3488 lsa.lsa_tgts = tgts;
3489 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3490 lsa.lsa_stripe_off = tgts[0];
3495 lsa.lsa_pool_name = optarg;
3497 if (strlen(lsa.lsa_pool_name) == 0 ||
3498 strncmp(lsa.lsa_pool_name, "none",
3499 LOV_MAXPOOLNAME) == 0)
3500 lsa.lsa_pool_name = NULL;
3503 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3507 "%s %s: invalid stripe size '%s'\n",
3508 progname, argv[0], optarg);
3513 if (!migrate_mode) {
3515 "%s %s: -v|--verbose valid only for migrate command\n",
3519 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3520 migration_flags = MIGRATION_VERBOSE;
3530 result = llapi_parse_size(optarg,
3531 &lsa.lsa_extension_size,
3535 "%s %s: invalid extension size '%s'\n",
3536 progname, argv[0], optarg);
3540 lsa.lsa_extension_comp = true;
3543 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3544 progname, argv[0], argv[optind - 1]);
3549 fname = argv[optind];
3551 if (optind == argc) {
3552 fprintf(stderr, "%s %s: FILE must be specified\n",
3557 if (xattr && !foreign_mode) {
3558 /* only print a warning as this is harmless and will be ignored
3561 "%s %s: xattr has been specified for non-foreign layout\n",
3563 } else if (foreign_mode && !xattr) {
3565 "%s %s: xattr must be provided in foreign mode\n",
3570 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3571 comp_set || comp_id || delete || from_copy ||
3572 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3575 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3580 if (mirror_mode && mirror_count == 0) {
3582 "error: %s: --mirror-count|-N option is required\n",
3589 if (lsa.lsa_comp_end == 0)
3590 lsa.lsa_comp_end = LUSTRE_EOF;
3593 if (lsa.lsa_comp_end != 0) {
3594 result = comp_args_to_layout(lpp, &lsa, true);
3596 fprintf(stderr, "error: %s: invalid layout\n",
3603 if (mirror_flags & MF_NO_VERIFY) {
3604 if (opc != SO_MIRROR_EXTEND) {
3606 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3610 } else if (!has_m_file) {
3612 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3619 if (comp_set && !comp_id) {
3620 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3625 if ((delete + comp_set + comp_del + comp_add) > 1) {
3627 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3632 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3633 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3635 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3640 if ((comp_set || comp_del) &&
3641 (setstripe_args_specified(&lsa) || layout != NULL)) {
3643 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3648 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3650 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3655 if (comp_add || comp_del) {
3658 result = lstat(fname, &st);
3659 if (result == 0 && S_ISDIR(st.st_mode)) {
3661 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3667 fprintf(stderr, "error: %s: can't use --component-add "
3668 "or --component-del for mirror operation\n",
3675 if (layout == NULL) {
3677 "%s %s: option -E must be specified with --component-add\n",
3683 if (layout != NULL || mirror_list != NULL) {
3685 result = mirror_adjust_first_extents(mirror_list);
3687 result = layout_adjust_first_extent(fname, layout,
3689 if (result == -ENODATA)
3691 else if (result != 0) {
3692 fprintf(stderr, "error: %s: invalid layout\n",
3698 if (from_yaml && from_copy) {
3700 "%s: can't specify --yaml and --copy together\n",
3705 if ((from_yaml || from_copy) &&
3706 (setstripe_args_specified(&lsa) || layout != NULL)) {
3707 fprintf(stderr, "error: %s: can't specify --yaml with "
3708 "-c, -S, -i, -o, -p or -E options.\n",
3713 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3715 "%s %s: options --non-block and --block are mutually exclusive\n",
3720 if (!comp_del && !comp_set && (opc != SO_MIRROR_SPLIT) &&
3723 "%s %s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3728 if (migrate_mdt_mode) {
3729 struct lmv_user_md *lmu;
3731 /* initialize migrate mdt parameters */
3732 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3733 LMV_USER_MAGIC_SPECIFIC));
3736 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3737 progname, argv[0], strerror(ENOMEM));
3741 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3742 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3743 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3745 "%s %s: migrate should specify MDT index\n",
3750 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3751 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3752 lmu->lum_hash_type = lsa.lsa_pattern;
3754 lmu->lum_hash_type = LMV_HASH_TYPE_DEFAULT;
3755 if (lsa.lsa_pool_name) {
3756 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3757 sizeof(lmu->lum_pool_name) - 1);
3758 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3760 if (lsa.lsa_nr_tgts > 1) {
3763 if (lsa.lsa_stripe_count > 0 &&
3764 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3765 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3767 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3769 (long long)lsa.lsa_stripe_count,
3775 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3776 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3777 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3778 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3780 lmu->lum_magic = LMV_USER_MAGIC;
3783 migrate_mdt_param.fp_lmv_md = lmu;
3784 migrate_mdt_param.fp_migrate = 1;
3785 } else if (layout == NULL) {
3786 /* initialize stripe parameters */
3787 param = calloc(1, offsetof(typeof(*param),
3788 lsp_osts[lsa.lsa_nr_tgts]));
3789 if (param == NULL) {
3791 "%s %s: cannot allocate memory for parameters: %s\n",
3792 progname, argv[0], strerror(ENOMEM));
3797 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3798 param->lsp_stripe_size = lsa.lsa_stripe_size;
3799 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3800 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3801 param->lsp_stripe_count = -1;
3803 param->lsp_stripe_count = lsa.lsa_stripe_count;
3805 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3806 param->lsp_stripe_offset = -1;
3808 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3809 param->lsp_stripe_pattern =
3810 llapi_pattern_to_lov(lsa.lsa_pattern);
3811 if (param->lsp_stripe_pattern == EINVAL) {
3812 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3817 param->lsp_pool = lsa.lsa_pool_name;
3818 param->lsp_is_specific = false;
3819 if (lsa.lsa_nr_tgts > 0) {
3820 if (lsa.lsa_stripe_count > 0 &&
3821 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3822 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3823 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3825 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3827 (long long)lsa.lsa_stripe_count,
3833 param->lsp_is_specific = true;
3834 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3835 memcpy(param->lsp_osts, tgts,
3836 sizeof(*tgts) * lsa.lsa_nr_tgts);
3841 /* generate a layout from a YAML template */
3842 result = lfs_comp_create_from_yaml(template, &layout,
3845 fprintf(stderr, "error: %s: can't create composite "
3846 "layout from template file %s\n",
3850 } else if (from_copy) {
3851 layout = llapi_layout_get_by_path(template, 0);
3852 if (layout == NULL) {
3854 "%s: can't create composite layout from file %s.\n",
3855 progname, template);
3860 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3861 if (migrate_mdt_mode) {
3862 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3863 } else if (migrate_mode) {
3864 result = lfs_migrate(fname, migration_flags, param,
3866 } else if (comp_set != 0) {
3867 result = lfs_component_set(fname, comp_id,
3869 lsa.lsa_comp_neg_flags);
3870 } else if (comp_del != 0) {
3871 result = lfs_component_del(fname, comp_id,
3873 lsa.lsa_comp_neg_flags);
3874 } else if (comp_add != 0) {
3875 result = lfs_component_add(fname, layout);
3876 } else if (opc == SO_MIRROR_CREATE) {
3877 result = mirror_create(fname, mirror_list);
3878 } else if (opc == SO_MIRROR_EXTEND) {
3879 result = mirror_extend(fname, mirror_list,
3881 } else if (opc == SO_MIRROR_SPLIT) {
3882 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
3884 "%s %s: no mirror id or component id or pool name"
3885 " is specified\n", progname, argv[0]);
3888 if (lsa.lsa_pool_name)
3889 mirror_flags |= MF_COMP_POOL;
3890 else if (mirror_id != 0)
3891 comp_id = mirror_id;
3893 mirror_flags |= MF_COMP_ID;
3894 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
3896 has_m_file ? mirror_list->m_file :
3898 } else if (layout != NULL) {
3899 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3905 } else if (foreign_mode) {
3906 result = llapi_file_create_foreign(fname, mode, type,
3913 result = llapi_file_open_param(fname,
3922 /* Save the first error encountered. */
3929 if (mode_opt != NULL)
3930 umask(previous_umask);
3933 free(migrate_mdt_param.fp_lmv_md);
3934 llapi_layout_free(layout);
3935 lfs_mirror_list_free(mirror_list);
3940 llapi_layout_free(layout);
3941 lfs_mirror_list_free(mirror_list);
3945 static int lfs_poollist(int argc, char **argv)
3950 return llapi_poollist(argv[1]);
3953 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3958 char *endptr = "AD";
3963 else if (str[0] == '-')
3969 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
3970 long long val = strtoll(timebuf, &endptr, 0);
3975 unit *= 52; /* 52 weeks + 1 day below */
3976 case 'w': /* fallthrough */
3978 case '\0': /* days are default unit if none used */
3979 case 'd': /* fallthrough */
3980 unit = (unit + (*endptr == 'y')) * 24;
3981 case 'h': /* fallthrough */
3983 case 'm': /* fallthrough */
3985 case 's': /* fallthrough */
3987 /* don't need to multiply by 1 for seconds */
3990 "%s find: bad time string '%s': %s\n",
3991 progname, timebuf, strerror(EINVAL));
3995 if (param->fp_time_margin == 0 ||
3996 (*endptr && unit < param->fp_time_margin))
3997 param->fp_time_margin = unit;
4004 fprintf(stderr, "%s find: bad time '%s': too large\n",
4014 static int name2uid(unsigned int *id, const char *name)
4016 struct passwd *passwd;
4018 passwd = getpwnam(name);
4021 *id = passwd->pw_uid;
4026 static int name2gid(unsigned int *id, const char *name)
4028 struct group *group;
4030 group = getgrnam(name);
4033 *id = group->gr_gid;
4038 static inline int name2projid(unsigned int *id, const char *name)
4043 static int uid2name(char **name, unsigned int id)
4045 struct passwd *passwd;
4047 passwd = getpwuid(id);
4050 *name = passwd->pw_name;
4055 static inline int gid2name(char **name, unsigned int id)
4057 struct group *group;
4059 group = getgrgid(id);
4062 *name = group->gr_name;
4067 static int name2layout(__u32 *layout, char *name)
4069 char *ptr, *layout_name;
4072 for (ptr = name; ; ptr = NULL) {
4073 layout_name = strtok(ptr, ",");
4074 if (layout_name == NULL)
4076 if (strcmp(layout_name, "released") == 0)
4077 *layout |= LOV_PATTERN_F_RELEASED;
4078 else if (strcmp(layout_name, "raid0") == 0)
4079 *layout |= LOV_PATTERN_RAID0;
4080 else if (strcmp(layout_name, "mdt") == 0)
4081 *layout |= LOV_PATTERN_MDT;
4082 else if (strcmp(layout_name, "overstriping") == 0)
4083 *layout |= LOV_PATTERN_OVERSTRIPING;
4090 static int lfs_find(int argc, char **argv)
4095 struct find_param param = {
4098 .fp_time_margin = 24 * 60 * 60,
4100 struct option long_opts[] = {
4101 { .val = 'A', .name = "atime", .has_arg = required_argument },
4102 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4103 { .val = LFS_COMP_COUNT_OPT,
4104 .name = "comp-count", .has_arg = required_argument },
4105 { .val = LFS_COMP_COUNT_OPT,
4106 .name = "component-count",
4107 .has_arg = required_argument },
4108 { .val = LFS_COMP_FLAGS_OPT,
4109 .name = "comp-flags", .has_arg = required_argument },
4110 { .val = LFS_COMP_FLAGS_OPT,
4111 .name = "component-flags",
4112 .has_arg = required_argument },
4113 { .val = LFS_COMP_START_OPT,
4114 .name = "comp-start", .has_arg = required_argument },
4115 { .val = LFS_COMP_START_OPT,
4116 .name = "component-start",
4117 .has_arg = required_argument },
4118 { .val = LFS_MIRROR_STATE_OPT,
4119 .name = "mirror-state", .has_arg = required_argument },
4120 { .val = LFS_LAYOUT_FOREIGN_OPT,
4121 .name = "foreign", .has_arg = optional_argument},
4122 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4123 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4124 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4125 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4126 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4127 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4128 { .val = 'E', .name = "component-end",
4129 .has_arg = required_argument },
4130 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4131 { .val = LFS_LAYOUT_FOREIGN_OPT,
4132 .name = "foreign", .has_arg = optional_argument},
4133 { .val = 'g', .name = "gid", .has_arg = required_argument },
4134 { .val = 'G', .name = "group", .has_arg = required_argument },
4135 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4136 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4137 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4138 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4139 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4140 { .val = 'L', .name = "layout", .has_arg = required_argument },
4141 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4142 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4143 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4144 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4145 { .val = 'n', .name = "name", .has_arg = required_argument },
4146 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4147 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4148 { .val = 'O', .name = "obd", .has_arg = required_argument },
4149 { .val = 'O', .name = "ost", .has_arg = required_argument },
4150 /* no short option for pool yet, can be 'p' after 2.18 */
4151 { .val = LFS_POOL_OPT,
4152 .name = "pool", .has_arg = required_argument },
4153 { .val = '0', .name = "print0", .has_arg = no_argument },
4154 { .val = 'P', .name = "print", .has_arg = no_argument },
4155 { .val = LFS_PROJID_OPT,
4156 .name = "projid", .has_arg = required_argument },
4157 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4158 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4159 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4160 { .val = 's', .name = "size", .has_arg = required_argument },
4161 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4162 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4163 { .val = 't', .name = "type", .has_arg = required_argument },
4164 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4165 { .val = 'u', .name = "uid", .has_arg = required_argument },
4166 { .val = 'U', .name = "user", .has_arg = required_argument },
4167 { .val = 'z', .name = "extension-size",
4168 .has_arg = required_argument },
4169 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4170 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4171 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4184 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4185 while ((c = getopt_long_only(argc, argv,
4186 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4187 long_opts, NULL)) >= 0) {
4192 /* '!' is part of option */
4193 /* when getopt_long_only() finds a string which is not
4194 * an option nor a known option argument it returns 1
4195 * in that case if we already have found pathstart and pathend
4196 * (i.e. we have the list of pathnames),
4197 * the only supported value is "!"
4199 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4200 if (!isoption && pathend != -1) {
4201 fprintf(stderr, "err: %s: filename|dirname must either "
4202 "precede options or follow options\n",
4207 if (!isoption && pathstart == -1)
4208 pathstart = optind - 1;
4209 if (isoption && pathstart != -1 && pathend == -1)
4210 pathend = optind - 2;
4216 /* unknown; opt is "!" or path component,
4217 * checking done above.
4219 if (strcmp(optarg, "!") == 0)
4223 xtime = ¶m.fp_atime;
4224 xsign = ¶m.fp_asign;
4225 param.fp_exclude_atime = !!neg_opt;
4226 /* no break, this falls through to 'C' for ctime */
4229 xtime = ¶m.fp_ctime;
4230 xsign = ¶m.fp_csign;
4231 param.fp_exclude_ctime = !!neg_opt;
4233 /* no break, this falls through to 'M' for mtime */
4236 xtime = ¶m.fp_mtime;
4237 xsign = ¶m.fp_msign;
4238 param.fp_exclude_mtime = !!neg_opt;
4240 rc = set_time(¶m, &t, xtime, optarg);
4241 if (rc == LONG_MAX) {
4249 if (optarg[0] == '+') {
4250 param.fp_blocks_sign = -1;
4252 } else if (optarg[0] == '-') {
4253 param.fp_blocks_sign = 1;
4257 param.fp_blocks_units = 1024;
4258 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4259 ¶m.fp_blocks_units, 0);
4261 fprintf(stderr, "error: bad blocks '%s'\n",
4265 param.fp_check_blocks = 1;
4266 param.fp_exclude_blocks = !!neg_opt;
4268 case LFS_COMP_COUNT_OPT:
4269 if (optarg[0] == '+') {
4270 param.fp_comp_count_sign = -1;
4272 } else if (optarg[0] == '-') {
4273 param.fp_comp_count_sign = 1;
4277 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4278 if (*endptr != '\0') {
4279 fprintf(stderr, "error: bad component count "
4283 param.fp_check_comp_count = 1;
4284 param.fp_exclude_comp_count = !!neg_opt;
4286 case LFS_COMP_FLAGS_OPT:
4287 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4288 ¶m.fp_comp_neg_flags);
4290 fprintf(stderr, "error: bad component flags "
4294 param.fp_check_comp_flags = 1;
4296 __u32 flags = param.fp_comp_neg_flags;
4297 param.fp_comp_neg_flags = param.fp_comp_flags;
4298 param.fp_comp_flags = flags;
4301 case LFS_COMP_START_OPT:
4302 if (optarg[0] == '+') {
4303 param.fp_comp_start_sign = -1;
4305 } else if (optarg[0] == '-') {
4306 param.fp_comp_start_sign = 1;
4310 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4311 ¶m.fp_comp_start_units, 0);
4313 fprintf(stderr, "error: bad component start "
4317 param.fp_check_comp_start = 1;
4318 param.fp_exclude_comp_start = !!neg_opt;
4320 case LFS_MIRROR_STATE_OPT:
4321 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4322 ¶m.fp_mirror_neg_state);
4325 "error: bad mirrored file state '%s'\n",
4329 param.fp_check_mirror_state = 1;
4331 __u16 state = param.fp_mirror_neg_state;
4332 param.fp_mirror_neg_state =
4333 param.fp_mirror_state;
4334 param.fp_mirror_state = state;
4338 if (optarg[0] == '+') {
4339 param.fp_stripe_count_sign = -1;
4341 } else if (optarg[0] == '-') {
4342 param.fp_stripe_count_sign = 1;
4346 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4347 if (*endptr != '\0') {
4348 fprintf(stderr,"error: bad stripe_count '%s'\n",
4353 param.fp_check_stripe_count = 1;
4354 param.fp_exclude_stripe_count = !!neg_opt;
4357 param.fp_max_depth = strtol(optarg, 0, 0);
4360 if (optarg[0] == '+') {
4361 param.fp_comp_end_sign = -1;
4363 } else if (optarg[0] == '-') {
4364 param.fp_comp_end_sign = 1;
4368 if (arg_is_eof(optarg)) {
4369 param.fp_comp_end = LUSTRE_EOF;
4370 param.fp_comp_end_units = 1;
4373 rc = llapi_parse_size(optarg,
4375 ¶m.fp_comp_end_units, 0);
4378 fprintf(stderr, "error: bad component end "
4382 param.fp_check_comp_end = 1;
4383 param.fp_exclude_comp_end = !!neg_opt;
4385 case LFS_LAYOUT_FOREIGN_OPT: {
4386 /* all types by default */
4387 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4389 if (optarg != NULL) {
4390 /* check pure numeric */
4391 type = strtoul(optarg, &endptr, 0);
4394 type = check_foreign_type_name(optarg);
4395 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4397 "%s %s: unknown foreign type '%s'\n",
4404 param.fp_foreign_type = type;
4405 param.fp_check_foreign = 1;
4406 param.fp_exclude_foreign = !!neg_opt;
4411 rc = name2gid(¶m.fp_gid, optarg);
4413 param.fp_gid = strtoul(optarg, &endptr, 10);
4414 if (*endptr != '\0') {
4415 fprintf(stderr, "Group/GID: %s cannot "
4416 "be found.\n", optarg);
4421 param.fp_exclude_gid = !!neg_opt;
4422 param.fp_check_gid = 1;
4425 param.fp_hash_type = check_hashtype(optarg);
4426 if (param.fp_hash_type == 0) {
4427 fprintf(stderr, "error: bad hash_type '%s'\n",
4432 param.fp_check_hash_type = 1;
4433 param.fp_exclude_hash_type = !!neg_opt;
4439 ret = name2layout(¶m.fp_layout, optarg);
4442 param.fp_exclude_layout = !!neg_opt;
4443 param.fp_check_layout = 1;
4447 rc = name2uid(¶m.fp_uid, optarg);
4449 param.fp_uid = strtoul(optarg, &endptr, 10);
4450 if (*endptr != '\0') {
4451 fprintf(stderr, "User/UID: %s cannot "
4452 "be found.\n", optarg);
4457 param.fp_exclude_uid = !!neg_opt;
4458 param.fp_check_uid = 1;
4461 param.fp_pattern = (char *)optarg;
4462 param.fp_exclude_pattern = !!neg_opt;
4465 if (optarg[0] == '+') {
4466 param.fp_mirror_count_sign = -1;
4468 } else if (optarg[0] == '-') {
4469 param.fp_mirror_count_sign = 1;
4473 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4474 if (*endptr != '\0') {
4476 "error: bad mirror count '%s'\n",
4480 param.fp_check_mirror_count = 1;
4481 param.fp_exclude_mirror_count = !!neg_opt;
4486 char *buf, *token, *next, *p;
4490 buf = strdup(optarg);
4496 param.fp_exclude_obd = !!neg_opt;
4499 while (token && *token) {
4500 token = strchr(token, ',');
4507 param.fp_exclude_mdt = !!neg_opt;
4508 param.fp_num_alloc_mdts += len;
4509 tmp = realloc(param.fp_mdt_uuid,
4510 param.fp_num_alloc_mdts *
4511 sizeof(*param.fp_mdt_uuid));
4517 param.fp_mdt_uuid = tmp;
4519 param.fp_exclude_obd = !!neg_opt;
4520 param.fp_num_alloc_obds += len;
4521 tmp = realloc(param.fp_obd_uuid,
4522 param.fp_num_alloc_obds *
4523 sizeof(*param.fp_obd_uuid));
4529 param.fp_obd_uuid = tmp;
4531 for (token = buf; token && *token; token = next) {
4532 struct obd_uuid *puuid;
4535 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4538 ¶m.fp_obd_uuid[param.fp_num_obds++];
4540 p = strchr(token, ',');
4547 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4552 strncpy(puuid->uuid, token,
4553 sizeof(puuid->uuid));
4560 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4564 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4566 "Pool name %s is too long (max %d)\n",
4567 optarg, LOV_MAXPOOLNAME);
4572 * We do check for empty pool because empty pool
4573 * is used to find V1 LOV attributes
4575 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4576 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4577 param.fp_exclude_pool = !!neg_opt;
4578 param.fp_check_pool = 1;
4580 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4581 case 'p': /* want this for --pool, to match getstripe/find */
4583 "warning: -p deprecated, use --print0 or -0\n");
4586 param.fp_zero_end = 1;
4588 case 'P': /* we always print, this option is a no-op */
4590 case LFS_PROJID_OPT:
4591 rc = name2projid(¶m.fp_projid, optarg);
4593 param.fp_projid = strtoul(optarg, &endptr, 10);
4594 if (*endptr != '\0') {
4596 "Invalid project ID: %s",
4602 param.fp_exclude_projid = !!neg_opt;
4603 param.fp_check_projid = 1;
4606 if (optarg[0] == '+') {
4607 param.fp_size_sign = -1;
4609 } else if (optarg[0] == '-') {
4610 param.fp_size_sign = 1;
4614 ret = llapi_parse_size(optarg, ¶m.fp_size,
4615 ¶m.fp_size_units, 0);
4617 fprintf(stderr, "error: bad file size '%s'\n",
4621 param.fp_check_size = 1;
4622 param.fp_exclude_size = !!neg_opt;
4625 if (optarg[0] == '+') {
4626 param.fp_stripe_size_sign = -1;
4628 } else if (optarg[0] == '-') {
4629 param.fp_stripe_size_sign = 1;
4633 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4634 ¶m.fp_stripe_size_units, 0);
4636 fprintf(stderr, "error: bad stripe_size '%s'\n",
4640 param.fp_check_stripe_size = 1;
4641 param.fp_exclude_stripe_size = !!neg_opt;
4644 param.fp_exclude_type = !!neg_opt;
4645 switch (optarg[0]) {
4647 param.fp_type = S_IFBLK;
4650 param.fp_type = S_IFCHR;
4653 param.fp_type = S_IFDIR;
4656 param.fp_type = S_IFREG;
4659 param.fp_type = S_IFLNK;
4662 param.fp_type = S_IFIFO;
4665 param.fp_type = S_IFSOCK;
4668 fprintf(stderr, "error: %s: bad type '%s'\n",
4675 if (optarg[0] == '+') {
4676 param.fp_mdt_count_sign = -1;
4678 } else if (optarg[0] == '-') {
4679 param.fp_mdt_count_sign = 1;
4683 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4684 if (*endptr != '\0') {
4685 fprintf(stderr, "error: bad mdt_count '%s'\n",
4690 param.fp_check_mdt_count = 1;
4691 param.fp_exclude_mdt_count = !!neg_opt;
4694 if (optarg[0] == '+') {
4695 param.fp_ext_size_sign = -1;
4697 } else if (optarg[0] == '-') {
4698 param.fp_ext_size_sign = 1;
4702 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
4703 ¶m.fp_ext_size_units, 0);
4705 fprintf(stderr, "error: bad ext-size '%s'\n",
4709 param.fp_ext_size /= SEL_UNIT_SIZE;
4710 param.fp_ext_size_units /= SEL_UNIT_SIZE;
4711 param.fp_check_ext_size = 1;
4712 param.fp_exclude_ext_size = !!neg_opt;
4720 if (pathstart == -1) {
4721 fprintf(stderr, "error: %s: no filename|pathname\n",
4725 } else if (pathend == -1) {
4731 rc = llapi_find(argv[pathstart], ¶m);
4734 pathbad = pathstart;
4736 } while (++pathstart < pathend);
4739 fprintf(stderr, "%s: failed for '%s': %s\n",
4740 progname, argv[pathbad], strerror(-rc));
4743 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4744 free(param.fp_obd_uuid);
4746 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4747 free(param.fp_mdt_uuid);
4752 static int lfs_getstripe_internal(int argc, char **argv,
4753 struct find_param *param)
4755 struct option long_opts[] = {
4756 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4757 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4758 { .val = LFS_COMP_COUNT_OPT,
4759 .name = "comp-count", .has_arg = no_argument },
4760 { .val = LFS_COMP_COUNT_OPT,
4761 .name = "component-count", .has_arg = no_argument },
4762 { .val = LFS_COMP_FLAGS_OPT,
4763 .name = "comp-flags", .has_arg = optional_argument },
4764 { .val = LFS_COMP_FLAGS_OPT,
4765 .name = "component-flags", .has_arg = optional_argument },
4766 { .val = LFS_COMP_START_OPT,
4767 .name = "comp-start", .has_arg = optional_argument },
4768 { .val = LFS_COMP_START_OPT,
4769 .name = "component-start", .has_arg = optional_argument },
4770 { .val = LFS_MIRROR_INDEX_OPT,
4771 .name = "mirror-index", .has_arg = required_argument },
4772 { .val = LFS_MIRROR_ID_OPT,
4773 .name = "mirror-id", .has_arg = required_argument },
4774 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4775 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4776 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4777 { .val = 'd', .name = "directory", .has_arg = no_argument },
4778 { .val = 'D', .name = "default", .has_arg = no_argument },
4779 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4780 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4781 { .val = 'F', .name = "fid", .has_arg = no_argument },
4782 { .val = 'g', .name = "generation", .has_arg = no_argument },
4783 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4784 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4785 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4786 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4787 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4788 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4789 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
4790 { .val = 'L', .name = "layout", .has_arg = no_argument },
4791 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4792 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4793 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4794 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4795 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4796 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4797 { .val = 'O', .name = "obd", .has_arg = required_argument },
4798 { .val = 'O', .name = "ost", .has_arg = required_argument },
4799 { .val = 'p', .name = "pool", .has_arg = no_argument },
4800 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4801 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4802 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4803 { .val = 'R', .name = "raw", .has_arg = no_argument },
4804 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4805 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4806 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4807 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4808 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4809 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4810 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4811 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4812 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
4813 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
4817 int pathstart = -1, pathend = -1;
4821 while ((c = getopt_long(argc, argv,
4822 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
4823 long_opts, NULL)) != -1) {
4827 /* '!' is part of option */
4828 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4829 if (!isoption && pathend != -1) {
4831 "error: %s: filename|dirname must either precede options or follow options\n",
4835 if (!isoption && pathstart == -1)
4836 pathstart = optind - 1;
4837 if (isoption && pathstart != -1 && pathend == -1)
4838 pathend = optind - 2;
4842 /* unknown: opt is "!" */
4843 if (strcmp(optarg, "!") == 0)
4847 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4848 param->fp_verbose |= VERBOSE_COUNT;
4849 param->fp_max_depth = 0;
4852 case LFS_COMP_COUNT_OPT:
4853 param->fp_verbose |= VERBOSE_COMP_COUNT;
4854 param->fp_max_depth = 0;
4856 case LFS_COMP_FLAGS_OPT:
4857 if (optarg != NULL) {
4858 rc = comp_str2flags(optarg,
4859 ¶m->fp_comp_flags,
4860 ¶m->fp_comp_neg_flags);
4862 fprintf(stderr, "error: %s bad "
4863 "component flags '%s'.\n",
4867 param->fp_check_comp_flags = 1;
4869 param->fp_verbose |= VERBOSE_COMP_FLAGS;
4870 param->fp_max_depth = 0;
4873 case LFS_COMP_START_OPT:
4874 if (optarg != NULL) {
4876 if (tmp[0] == '+') {
4877 param->fp_comp_start_sign = -1;
4879 } else if (tmp[0] == '-') {
4880 param->fp_comp_start_sign = 1;
4883 rc = llapi_parse_size(tmp,
4884 ¶m->fp_comp_start,
4885 ¶m->fp_comp_start_units, 0);
4887 fprintf(stderr, "error: %s bad "
4888 "component start '%s'.\n",
4892 param->fp_check_comp_start = 1;
4895 param->fp_verbose |= VERBOSE_COMP_START;
4896 param->fp_max_depth = 0;
4899 case LFS_MIRROR_INDEX_OPT:
4900 if (optarg[0] == '+') {
4901 param->fp_mirror_index_sign = -1;
4903 } else if (optarg[0] == '-') {
4904 param->fp_mirror_index_sign = 1;
4908 param->fp_mirror_index = strtoul(optarg, &end, 0);
4909 if (*end != '\0' || (param->fp_mirror_index == 0 &&
4910 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
4912 "%s %s: invalid mirror index '%s'\n",
4913 progname, argv[0], optarg);
4916 if (param->fp_mirror_id != 0) {
4918 "%s %s: can't specify both mirror index and mirror ID\n",
4922 param->fp_check_mirror_index = 1;
4923 param->fp_exclude_mirror_index = !!neg_opt;
4925 case LFS_MIRROR_ID_OPT:
4926 if (optarg[0] == '+') {
4927 param->fp_mirror_id_sign = -1;
4929 } else if (optarg[0] == '-') {
4930 param->fp_mirror_id_sign = 1;
4934 param->fp_mirror_id = strtoul(optarg, &end, 0);
4935 if (*end != '\0' || (param->fp_mirror_id == 0 &&
4936 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
4938 "%s %s: invalid mirror ID '%s'\n",
4939 progname, argv[0], optarg);
4942 if (param->fp_mirror_index != 0) {
4944 "%s %s: can't specify both mirror index and mirror ID\n",
4948 param->fp_check_mirror_id = 1;
4949 param->fp_exclude_mirror_id = !!neg_opt;
4952 param->fp_max_depth = 0;
4955 param->fp_get_default_lmv = 1;
4958 if (optarg != NULL) {
4960 if (tmp[0] == '+') {
4961 param->fp_comp_end_sign = -1;
4963 } else if (tmp[0] == '-') {
4964 param->fp_comp_end_sign = 1;
4968 if (arg_is_eof(tmp)) {
4969 param->fp_comp_end = LUSTRE_EOF;
4970 param->fp_comp_end_units = 1;
4973 rc = llapi_parse_size(tmp,
4974 ¶m->fp_comp_end,
4975 ¶m->fp_comp_end_units, 0);
4978 fprintf(stderr, "error: %s bad "
4979 "component end '%s'.\n",
4983 param->fp_check_comp_end = 1;
4985 param->fp_verbose |= VERBOSE_COMP_END;
4986 param->fp_max_depth = 0;
4990 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4991 param->fp_verbose |= VERBOSE_DFID;
4992 param->fp_max_depth = 0;
4996 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4997 param->fp_verbose |= VERBOSE_GENERATION;
4998 param->fp_max_depth = 0;
5002 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5003 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
5004 param->fp_max_depth = 0;
5008 if (optarg != NULL) {
5009 param->fp_comp_id = strtoul(optarg, &end, 0);
5010 if (*end != '\0' || param->fp_comp_id == 0 ||
5011 param->fp_comp_id > LCME_ID_MAX) {
5012 fprintf(stderr, "error: %s bad "
5013 "component id '%s'\n",
5017 param->fp_check_comp_id = 1;
5020 param->fp_max_depth = 0;
5021 param->fp_verbose |= VERBOSE_COMP_ID;
5025 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5026 param->fp_verbose |= VERBOSE_PATTERN;
5027 param->fp_max_depth = 0;
5030 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5032 fprintf(stderr, "warning: '-M' deprecated"
5033 ", use '--mdt-index' or '-m' instead\n");
5036 if (!(param->fp_verbose & VERBOSE_DETAIL))
5037 param->fp_max_depth = 0;
5038 param->fp_verbose |= VERBOSE_MDTINDEX;
5041 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5042 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
5043 param->fp_max_depth = 0;
5047 if (param->fp_obd_uuid) {
5049 "error: %s: only one obduuid allowed",
5053 param->fp_obd_uuid = (struct obd_uuid *)optarg;
5056 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5057 param->fp_verbose |= VERBOSE_POOL;
5058 param->fp_max_depth = 0;
5065 param->fp_recursive = 1;
5071 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5072 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
5073 param->fp_max_depth = 0;
5077 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
5083 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5084 param->fp_verbose |= VERBOSE_EXT_SIZE;
5085 param->fp_max_depth = 0;
5093 if (pathstart == -1) {
5094 fprintf(stderr, "error: %s: no filename|pathname\n",
5097 } else if (pathend == -1) {
5105 if (param->fp_recursive)
5106 param->fp_max_depth = -1;
5107 else if (param->fp_verbose & VERBOSE_DETAIL)
5108 param->fp_max_depth = 1;
5110 if (!param->fp_verbose)
5111 param->fp_verbose = VERBOSE_DEFAULT;
5112 if (param->fp_quiet)
5113 param->fp_verbose = VERBOSE_OBJID;
5116 rc = llapi_getstripe(argv[pathstart], param);
5117 } while (++pathstart < pathend && !rc);
5120 fprintf(stderr, "error: %s failed for %s.\n",
5121 argv[0], argv[optind - 1]);
5125 static int lfs_tgts(int argc, char **argv)
5127 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5128 struct find_param param;
5129 int index = 0, rc=0;
5134 if (argc == 2 && !realpath(argv[1], path)) {
5136 fprintf(stderr, "error: invalid path '%s': %s\n",
5137 argv[1], strerror(-rc));
5141 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5142 /* Check if we have a mount point */
5143 if (mntdir[0] == '\0')
5146 memset(¶m, 0, sizeof(param));
5147 if (!strcmp(argv[0], "mdts"))
5148 param.fp_get_lmv = 1;
5150 rc = llapi_ostlist(mntdir, ¶m);
5152 fprintf(stderr, "error: %s: failed on %s\n",
5155 if (path[0] != '\0')
5157 memset(mntdir, 0, PATH_MAX);
5163 static int lfs_getstripe(int argc, char **argv)
5165 struct find_param param = { 0 };
5167 param.fp_max_depth = 1;
5168 return lfs_getstripe_internal(argc, argv, ¶m);
5172 static int lfs_getdirstripe(int argc, char **argv)
5174 struct find_param param = { 0 };
5175 struct option long_opts[] = {
5176 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5177 { .val = 'D', .name = "default", .has_arg = no_argument },
5178 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5179 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5180 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5181 { .val = 'O', .name = "obd", .has_arg = required_argument },
5182 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5183 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5184 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5185 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5189 param.fp_get_lmv = 1;
5191 while ((c = getopt_long(argc, argv,
5192 "cDHimO:rtTvy", long_opts, NULL)) != -1)
5197 param.fp_verbose |= VERBOSE_COUNT;
5200 param.fp_get_default_lmv = 1;
5204 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5206 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5208 fprintf(stderr, "warning: '-t' deprecated, "
5209 "use '--mdt-hash' or '-H' instead\n");
5212 param.fp_verbose |= VERBOSE_HASH_TYPE;
5215 if (param.fp_obd_uuid) {
5217 "error: %s: only one obduuid allowed",
5221 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5224 param.fp_recursive = 1;
5227 param.fp_verbose |= VERBOSE_DETAIL;
5233 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5234 progname, argv[0], argv[optind - 1]);
5242 if (param.fp_recursive)
5243 param.fp_max_depth = -1;
5245 if (!param.fp_verbose)
5246 param.fp_verbose = VERBOSE_DEFAULT;
5249 rc = llapi_getstripe(argv[optind], ¶m);
5250 } while (++optind < argc && !rc);
5253 fprintf(stderr, "error: %s failed for %s.\n",
5254 argv[0], argv[optind - 1]);
5259 MNTDF_INODES = 0x0001,
5260 MNTDF_COOKED = 0x0002,
5261 MNTDF_LAZY = 0x0004,
5262 MNTDF_VERBOSE = 0x0008,
5263 MNTDF_SHOW = 0x0010,
5266 #define COOK(value) \
5269 while (value > 1024) { \
5277 #define CDF "%11llu"
5278 #define HDF "%8.1f%c"
5282 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5284 double avail, used, ratio = 0;
5287 avail = st->os_ffree;
5288 used = st->os_files - st->os_ffree;
5290 avail = st->os_bavail;
5291 used = st->os_blocks - st->os_bfree;
5293 if (avail + used > 0)
5294 ratio = used / (used + avail) * 100;
5296 /* Round up to match df(1) usage percentage */
5297 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5300 /* This is to identify various problem states for "lfs df" if .osn_err = true,
5301 * so only show flags reflecting those states by default. Informational states
5302 * are only shown with "-v" and use lower-case names to distinguish them.
5303 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5305 static struct obd_statfs_state_names {
5306 enum obd_statfs_state osn_state;
5307 const char osn_name;
5310 { .osn_state = OS_STATE_DEGRADED, .osn_name = 'D', .osn_err = true },
5311 { .osn_state = OS_STATE_READONLY, .osn_name = 'R', .osn_err = true },
5312 { .osn_state = OS_STATE_NOPRECREATE, .osn_name = 'N', .osn_err = true },
5313 { .osn_state = OS_STATE_UNUSED1, .osn_name = '?', .osn_err = true },
5314 { .osn_state = OS_STATE_UNUSED2, .osn_name = '?', .osn_err = true },
5315 { .osn_state = OS_STATE_ENOSPC, .osn_name = 'S', .osn_err = true },
5316 { .osn_state = OS_STATE_ENOINO, .osn_name = 'I', .osn_err = true },
5317 { .osn_state = OS_STATE_SUM, .osn_name = 'a', /* aggregate */ },
5318 { .osn_state = OS_STATE_NONROT, .osn_name = 'f', /* flash */ },
5321 static int showdf(char *mntdir, struct obd_statfs *stat,
5322 char *uuid, enum mntdf_flags flags,
5323 char *type, int index, int rc)
5325 long long avail, used, total;
5327 char *suffix = "KMGTPEZY";
5328 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5329 char tbuf[3 * sizeof(__u64)];
5330 char ubuf[3 * sizeof(__u64)];
5331 char abuf[3 * sizeof(__u64)];
5332 char rbuf[3 * sizeof(__u64)];
5339 if (flags & MNTDF_INODES) {
5340 avail = stat->os_ffree;
5341 used = stat->os_files - stat->os_ffree;
5342 total = stat->os_files;
5344 int shift = flags & MNTDF_COOKED ? 0 : 10;
5346 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5347 used = ((stat->os_blocks - stat->os_bfree) *
5348 stat->os_bsize) >> shift;
5349 total = (stat->os_blocks * stat->os_bsize) >> shift;
5352 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5354 if (flags & MNTDF_COOKED) {
5358 cook_val = (double)total;
5361 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5364 snprintf(tbuf, sizeof(tbuf), CDF, total);
5366 cook_val = (double)used;
5369 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5372 snprintf(ubuf, sizeof(ubuf), CDF, used);
5374 cook_val = (double)avail;
5377 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5380 snprintf(abuf, sizeof(abuf), CDF, avail);
5382 snprintf(tbuf, sizeof(tbuf), CDF, total);
5383 snprintf(ubuf, sizeof(tbuf), CDF, used);
5384 snprintf(abuf, sizeof(tbuf), CDF, avail);
5387 sprintf(rbuf, RDF, ratio);
5388 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5389 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5391 printf("[%s:%d]", type, index);
5393 if (stat->os_state) {
5397 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5398 if (oss_names[i].osn_state & stat->os_state &&
5399 (oss_names[i].osn_err ||
5400 flags & MNTDF_VERBOSE))
5401 printf("%c", oss_names[i].osn_name);
5408 printf(UUF": inactive device\n", uuid);
5411 printf(UUF": %s\n", uuid, strerror(-rc));
5418 struct ll_stat_type {
5423 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5425 struct ll_statfs_data {
5427 struct obd_statfs sd_st;
5430 struct ll_statfs_buf {
5432 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5435 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5436 int ops, struct ll_statfs_buf *lsb)
5438 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5439 struct obd_uuid uuid_buf;
5440 char *poolname = NULL;
5441 struct ll_stat_type types[] = {
5442 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5443 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5444 { .st_name = NULL } };
5445 struct ll_stat_type *tp;
5446 __u64 ost_files = 0;
5447 __u64 ost_ffree = 0;
5455 poolname = strchr(pool, '.');
5456 if (poolname != NULL) {
5457 if (strncmp(fsname, pool, strlen(fsname))) {
5458 fprintf(stderr, "filesystem name incorrect\n");
5466 fd = open(mntdir, O_RDONLY);
5469 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5474 if (flags & MNTDF_SHOW) {
5475 if (flags & MNTDF_INODES)
5476 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5477 "UUID", "Inodes", "IUsed", "IFree",
5478 "IUse%", "Mounted on");
5480 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5482 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5483 "Used", "Available", "Use%", "Mounted on");
5486 for (tp = types; tp->st_name != NULL; tp++) {
5487 bool have_ost = false;
5489 if (!(tp->st_op & ops))
5492 for (index = 0; ; index++) {
5493 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5494 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5495 type = flags & MNTDF_LAZY ?
5496 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5497 rc2 = llapi_obd_fstatfs(fd, type, index,
5498 &stat_buf, &uuid_buf);
5503 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5504 if (!(flags & MNTDF_VERBOSE))
5506 } else if (rc2 < 0 && rc == 0) {
5510 /* If we have OSTs then don't report MDT block counts.
5511 * For MDT-only filesystems the expectation is that all
5512 * layouts have a DoM component. For filesystems with
5513 * OSTs, files are not necessarily going to store data
5514 * on MDTs, and MDT space is limited to a fraction of
5515 * OST space, so don't include it in the summary.
5517 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5524 if (poolname && tp->st_op == LL_STATFS_LOV &&
5525 llapi_search_ost(fsname, poolname,
5526 obd_uuid2str(&uuid_buf)) != 1)
5529 /* the llapi_obd_statfs() call may have returned with
5530 * an error, but if it filled in uuid_buf we will at
5531 * lease use that to print out a message for that OBD.
5532 * If we didn't get anything in the uuid_buf, then fill
5533 * it in so that we can print an error message. */
5534 if (uuid_buf.uuid[0] == '\0')
5535 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5536 "%s%04x", tp->st_name, index);
5538 lsb->sb_buf[lsb->sb_count].sd_index = index;
5539 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5542 if (flags & MNTDF_SHOW)
5543 showdf(mntdir, &stat_buf,
5544 obd_uuid2str(&uuid_buf), flags,
5545 tp->st_name, index, rc2);
5550 if (tp->st_op == LL_STATFS_LMV) {
5551 sum.os_ffree += stat_buf.os_ffree;
5552 sum.os_files += stat_buf.os_files;
5553 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5554 ost_files += stat_buf.os_files;
5555 ost_ffree += stat_buf.os_ffree;
5557 sum.os_blocks += stat_buf.os_blocks *
5559 sum.os_bfree += stat_buf.os_bfree *
5561 sum.os_bavail += stat_buf.os_bavail *
5568 /* If we have _some_ OSTs, but don't have as many free objects on the
5569 * OST as inodes on the MDTs, reduce the reported number of inodes
5570 * to compensate, so that the "inodes in use" number is correct.
5571 * This should be kept in sync with ll_statfs_internal().
5573 if (ost_files && ost_ffree < sum.os_ffree) {
5574 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5575 sum.os_ffree = ost_ffree;
5577 if (flags & MNTDF_SHOW) {
5579 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5586 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
5588 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
5590 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
5592 int r1 = obd_statfs_ratio(st1, false);
5593 int r2 = obd_statfs_ratio(st2, false);
5594 int64_t result = r1 - r2;
5596 /* if both space usage are above 90, compare free inodes */
5597 if (r1 > 90 && r2 > 90)
5598 result = st2->os_ffree - st1->os_ffree;
5602 else if (result == 0)
5609 static int lfs_setdirstripe(int argc, char **argv)
5612 struct lfs_setstripe_args lsa = { 0 };
5613 struct llapi_stripe_param *param = NULL;
5614 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5617 char *mode_opt = NULL;
5618 bool default_stripe = false;
5619 bool delete = false;
5620 bool auto_distributed = false;
5621 bool foreign_mode = false;
5622 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5623 mode_t previous_mode = 0;
5624 struct ll_statfs_buf *lsb = NULL;
5625 char mntdir[PATH_MAX] = "";
5627 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5628 struct option long_opts[] = {
5629 { .val = 'c', .name = "count", .has_arg = required_argument },
5630 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5631 { .val = 'd', .name = "delete", .has_arg = no_argument },
5632 { .val = 'D', .name = "default", .has_arg = no_argument },
5633 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5634 { .val = LFS_LAYOUT_FLAGS_OPT,
5635 .name = "flags", .has_arg = required_argument },
5636 { .val = LFS_LAYOUT_FOREIGN_OPT,
5637 .name = "foreign", .has_arg = optional_argument},
5638 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5639 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5640 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5641 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5643 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5644 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5645 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5647 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5648 { .val = 'i', .name = "index", .has_arg = required_argument },
5650 { .val = 'o', .name = "mode", .has_arg = required_argument },
5651 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5652 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5654 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5655 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5656 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5660 setstripe_args_init(&lsa);
5662 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5663 long_opts, NULL)) >= 0) {
5670 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5673 "%s %s: invalid stripe count '%s'\n",
5674 progname, argv[0], optarg);
5680 default_stripe = true;
5683 default_stripe = true;
5685 case LFS_LAYOUT_FOREIGN_OPT:
5686 if (optarg != NULL) {
5687 /* check pure numeric */
5688 type = strtoul(optarg, &end, 0);
5691 type = check_foreign_type_name(optarg);
5692 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5694 "%s %s: unknown foreign type '%s'\n",
5701 foreign_mode = true;
5703 case LFS_LAYOUT_FLAGS_OPT:
5704 flags = strtoul(optarg, &end, 16);
5707 "%s %s: bad flags '%s'\n",
5708 progname, argv[0], optarg);
5712 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5714 fprintf(stderr, "warning: '--hash-type' and '-t' "
5715 "deprecated, use '--mdt-hash' or '-H' instead\n");
5718 lsa.lsa_pattern = check_hashtype(optarg);
5719 if (lsa.lsa_pattern == 0) {
5721 "%s %s: bad stripe hash type '%s'\n",
5722 progname, argv[0], optarg);
5727 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5730 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5731 if (strcmp(argv[optind - 1], "--index") == 0)
5733 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5736 lsa.lsa_nr_tgts = parse_targets(mdts,
5737 sizeof(mdts) / sizeof(__u32),
5738 lsa.lsa_nr_tgts, optarg, NULL);
5739 if (lsa.lsa_nr_tgts < 0) {
5741 "%s %s: invalid MDT target(s) '%s'\n",
5742 progname, argv[0], optarg);
5746 lsa.lsa_tgts = mdts;
5747 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5748 lsa.lsa_stripe_off = mdts[0];
5750 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5752 fprintf(stderr, "warning: '-m' is deprecated, "
5753 "use '--mode' or '-o' instead\n");
5762 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5763 progname, argv[0], argv[optind - 1]);
5768 if (optind == argc) {
5769 fprintf(stderr, "%s %s: DIR must be specified\n",
5774 if (xattr && !foreign_mode) {
5775 /* only print a warning as this is armless and will be
5779 "%s %s: xattr has been specified for non-foreign layout\n",
5781 } else if (foreign_mode && !xattr) {
5783 "%s %s: xattr must be provided in foreign mode\n",
5788 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
5789 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
5791 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
5796 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5797 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
5799 "%s %s: stripe offset and count must be specified\n",
5805 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5806 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5808 "%s %s: cannot specify -d with -c or -i options\n",
5813 if (mode_opt != NULL) {
5814 mode = strtoul(mode_opt, &end, 8);
5817 "%s %s: bad MODE '%s'\n",
5818 progname, argv[0], mode_opt);
5821 previous_mode = umask(0);
5824 /* foreign LMV/dir case */
5826 if (argc > optind + 1) {
5828 "%s %s: cannot specify multiple foreign dirs\n",
5833 dname = argv[optind];
5834 result = llapi_dir_create_foreign(dname, mode, type, flags,
5838 "%s mkdir: can't create foreign dir '%s': %s\n",
5839 progname, dname, strerror(-result));
5844 * initialize stripe parameters, in case param is converted to specific,
5845 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
5847 param = calloc(1, offsetof(typeof(*param),
5848 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
5849 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
5850 if (param == NULL) {
5852 "%s %s: cannot allocate memory for parameters: %s\n",
5853 progname, argv[0], strerror(ENOMEM));
5857 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
5858 param->lsp_stripe_count = lsa.lsa_stripe_count;
5859 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5860 param->lsp_stripe_offset = -1;
5862 param->lsp_stripe_offset = lsa.lsa_stripe_off;
5863 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
5864 param->lsp_stripe_pattern = lsa.lsa_pattern;
5866 param->lsp_stripe_pattern = LMV_HASH_TYPE_DEFAULT;
5867 param->lsp_pool = lsa.lsa_pool_name;
5868 param->lsp_is_specific = false;
5869 if (lsa.lsa_nr_tgts > 1) {
5870 if (lsa.lsa_stripe_count > 0 &&
5871 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
5872 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
5874 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
5875 argv[0], (long long)lsa.lsa_stripe_count,
5881 param->lsp_is_specific = true;
5882 param->lsp_stripe_count = lsa.lsa_nr_tgts;
5883 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
5886 if (!default_stripe && (lsa.lsa_pattern & LMV_HASH_FLAG_SPACE)) {
5887 fprintf(stderr, "%s %s: can only specify -H space with -D\n",
5893 if (param->lsp_stripe_offset != -1 &&
5894 lsa.lsa_pattern & LMV_HASH_FLAG_SPACE) {
5895 fprintf(stderr, "%s %s: can only specify -H space with -i -1\n",
5901 dname = argv[optind];
5903 if (default_stripe) {
5904 result = llapi_dir_set_default_lmv(dname, param);
5907 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
5908 progname, dname, strerror(-result));
5913 * if current \a dname isn't under the same \a mntdir as the
5914 * last one, and the last one was auto-distributed, restore
5917 if (mntdir[0] != '\0' &&
5918 strncmp(dname, mntdir, strlen(mntdir)) &&
5920 param->lsp_is_specific = false;
5921 param->lsp_stripe_offset = -1;
5922 auto_distributed = false;
5926 * TODO: when MDT can allocate object with QoS (LU-9435), below
5927 * code should be removed, instead we should let LMV to allocate
5928 * the starting MDT object, and then let LOD allocate other MDT
5931 if (!param->lsp_is_specific && param->lsp_stripe_offset == -1) {
5932 char path[PATH_MAX] = "";
5935 lsb = malloc(sizeof(*lsb));
5943 /* use mntdir for dirname() temporarily */
5944 strncpy(mntdir, dname, sizeof(mntdir) - 1);
5945 if (!realpath(dirname(mntdir), path)) {
5948 "error: invalid path '%s': %s\n",
5949 argv[optind], strerror(errno));
5954 result = llapi_search_mounts(path, 0, mntdir, NULL);
5955 if (result < 0 || mntdir[0] == '\0') {
5957 "No suitable Lustre mount found\n");
5961 result = mntdf(mntdir, NULL, NULL, 0, LL_STATFS_LMV,
5966 if (param->lsp_stripe_count > lsb->sb_count) {
5968 "error: stripe count %d is too big\n",
5969 param->lsp_stripe_count);
5974 qsort(lsb->sb_buf, lsb->sb_count,
5975 sizeof(struct ll_statfs_data),
5976 ll_statfs_data_comp);
5978 auto_distributed = true;
5981 if (auto_distributed) {
5983 int nr = MAX(param->lsp_stripe_count,
5986 /* don't use server whose usage is above 90% */
5987 while (nr != param->lsp_stripe_count &&
5988 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st, false) >
5990 nr = MAX(param->lsp_stripe_count, nr / 2);
5992 /* get \a r between [0, nr) */
5995 param->lsp_stripe_offset = lsb->sb_buf[r].sd_index;
5996 if (param->lsp_stripe_count > 1) {
5999 param->lsp_is_specific = true;
6000 for (; i < param->lsp_stripe_count; i++)
6001 param->lsp_tgts[(i + r) % nr] =
6002 lsb->sb_buf[i].sd_index;
6006 result = llapi_dir_create(dname, mode, param);
6009 "%s setdirstripe: cannot create dir '%s': %s\n",
6010 progname, dname, strerror(-result));
6011 } while (!result && (dname = argv[++optind]));
6013 if (mode_opt != NULL)
6014 umask(previous_mode);
6022 static int lfs_rmentry(int argc, char **argv)
6029 fprintf(stderr, "error: %s: missing dirname\n",
6035 dname = argv[index];
6036 while (dname != NULL) {
6037 result = llapi_direntry_remove(dname);
6039 fprintf(stderr, "error: %s: remove dir entry '%s' "
6040 "failed\n", argv[0], dname);
6043 dname = argv[++index];
6048 static int lfs_mv(int argc, char **argv)
6050 struct lmv_user_md lmu = { LMV_USER_MAGIC };
6051 struct find_param param = {
6058 struct option long_opts[] = {
6059 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6060 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6061 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6064 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
6066 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6068 fprintf(stderr, "warning: '-M' deprecated"
6069 ", use '--mdt-index' or '-m' instead\n");
6072 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
6074 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
6080 param.fp_verbose = VERBOSE_DETAIL;
6083 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
6084 progname, argv[optind - 1]);
6089 if (lmu.lum_stripe_offset == -1) {
6090 fprintf(stderr, "%s mv: MDT index must be specified\n",
6095 if (optind >= argc) {
6096 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6101 /* initialize migrate mdt parameters */
6102 param.fp_lmv_md = &lmu;
6103 param.fp_migrate = 1;
6104 rc = llapi_migrate_mdt(argv[optind], ¶m);
6106 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6107 progname, argv[optind], param.fp_mdt_index,
6112 static int lfs_osts(int argc, char **argv)
6114 return lfs_tgts(argc, argv);
6117 static int lfs_mdts(int argc, char **argv)
6119 return lfs_tgts(argc, argv);
6122 static int lfs_df(int argc, char **argv)
6124 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6125 enum mntdf_flags flags = MNTDF_SHOW;
6126 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6127 int c, rc = 0, index = 0;
6128 char fsname[PATH_MAX] = "", *pool_name = NULL;
6129 struct option long_opts[] = {
6130 { .val = 'h', .name = "human-readable",
6131 .has_arg = no_argument },
6132 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6133 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6134 { .val = 'p', .name = "pool", .has_arg = required_argument },
6135 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6138 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6141 flags |= MNTDF_COOKED;
6144 flags |= MNTDF_INODES;
6147 flags |= MNTDF_LAZY;
6153 flags |= MNTDF_VERBOSE;
6159 if (optind < argc && !realpath(argv[optind], path)) {
6161 fprintf(stderr, "error: invalid path '%s': %s\n",
6162 argv[optind], strerror(-rc));
6166 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6167 /* Check if we have a mount point */
6168 if (mntdir[0] == '\0')
6171 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6172 if (rc || path[0] != '\0')
6174 fsname[0] = '\0'; /* avoid matching in next loop */
6175 mntdir[0] = '\0'; /* avoid matching in next loop */
6181 static int print_instance(const char *mntdir, char *fsname, size_t fsnamelen,
6182 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6186 /* llapi_search_mounts() fills "fsname", but that is not called if
6187 * explicit paths are specified on the command-line
6189 if (opt_instance || (opt_fsname && fsname[0] == '\0')) {
6190 int rc = llapi_getname(mntdir, fsname, fsnamelen);
6193 fprintf(stderr, "cannot get instance for '%s': %s\n",
6194 mntdir, strerror(-rc));
6198 if (!opt_instance) {
6199 /* print only the fsname name */
6200 buf = strchr(fsname, '-');
6204 } else if (!opt_fsname) {
6205 /* print only the instance name */
6206 buf = strchr(fsname, '-');
6212 } else if (opt_fsname) {
6213 /* print only the fsname */
6217 printf("%s %s\n", buf, opt_mntdir ? mntdir : "");
6222 static int lfs_getname(int argc, char **argv)
6224 struct option long_opts[] = {
6225 { .val = 'h', .name = "help", .has_arg = no_argument },
6226 { .val = 'i', .name = "instance", .has_arg = no_argument },
6227 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6229 bool opt_instance = false, opt_fsname = false;
6230 char fsname[PATH_MAX] = "";
6233 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6236 opt_instance = true;
6247 /* If neither option is given, print both instance and fsname */
6248 if (!opt_instance && !opt_fsname)
6249 opt_instance = opt_fsname = true;
6251 if (optind == argc) { /* no paths specified, get all paths. */
6252 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6255 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6256 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6257 opt_instance, opt_fsname, true);
6260 path[0] = fsname[0] = mntdir[0] = '\0';
6262 } else { /* paths specified, only attempt to search these. */
6265 /* if only one path is given, print only requested info */
6266 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6268 for (; optind < argc; optind++) {
6269 rc2 = print_instance(argv[optind], fsname,
6270 sizeof(fsname), opt_instance,
6271 opt_fsname, opt_mntdir);
6281 static int lfs_check(int argc, char **argv)
6283 char mntdir[PATH_MAX] = {'\0'};
6292 fprintf(stderr, "%s check: server type must be specified\n",
6297 obd_types[0] = obd_type1;
6298 obd_types[1] = obd_type2;
6299 obd_types[2] = obd_type3;
6301 if (strcmp(argv[1], "osts") == 0) {
6302 strcpy(obd_types[0], "osc");
6303 } else if (strcmp(argv[1], "mdts") == 0 ||
6304 strcmp(argv[1], "mds") == 0) {
6305 strcpy(obd_types[0], "mdc");
6306 } else if (strcmp(argv[1], "mgts") == 0) {
6307 strcpy(obd_types[0], "mgc");
6308 } else if (strcmp(argv[1], "all") == 0 ||
6309 strcmp(argv[1], "servers") == 0) {
6311 strcpy(obd_types[0], "osc");
6312 strcpy(obd_types[1], "mdc");
6313 strcpy(obd_types[2], "mgc");
6315 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6320 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6321 if (rc < 0 || mntdir[0] == '\0') {
6323 "%s check: cannot find mounted Lustre filesystem: %s\n",
6324 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6328 rc = llapi_target_check(num_types, obd_types, mntdir);
6330 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6331 progname, argv[1], strerror(-rc));
6337 #ifdef HAVE_SYS_QUOTA_H
6338 #define ARG2INT(nr, str, msg) \
6341 nr = strtol(str, &endp, 0); \
6342 if (*endp != '\0') { \
6343 fprintf(stderr, "%s: bad %s '%s'\n", \
6344 progname, msg, str); \
6349 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
6351 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6352 * returns the value or ULONG_MAX on integer overflow or incorrect format
6354 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6355 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6356 * 3. empty integer value is interpreted as 0
6358 static unsigned long str2sec(const char* timestr)
6360 const char spec[] = "smhdw";
6361 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6362 unsigned long val = 0;
6365 if (strpbrk(timestr, spec) == NULL) {
6366 /* no specifiers inside the time string,
6367 should treat it as an integer value */
6368 val = strtoul(timestr, &tail, 10);
6369 return *tail ? ULONG_MAX : val;
6372 /* format string is XXwXXdXXhXXmXXs */
6378 v = strtoul(timestr, &tail, 10);
6379 if (v == ULONG_MAX || *tail == '\0')
6380 /* value too large (ULONG_MAX or more)
6381 or missing specifier */
6384 ptr = strchr(spec, *tail);
6386 /* unknown specifier */
6391 /* check if product will overflow the type */
6392 if (!(v < ULONG_MAX / mult[ind]))
6395 ADD_OVERFLOW(val, mult[ind] * v);
6396 if (val == ULONG_MAX)
6408 #define ARG2ULL(nr, str, def_units) \
6410 unsigned long long limit, units = def_units; \
6413 rc = llapi_parse_size(str, &limit, &units, 1); \
6415 fprintf(stderr, "%s: invalid limit '%s'\n", \
6422 static inline int has_times_option(int argc, char **argv)
6426 for (i = 1; i < argc; i++)
6427 if (!strcmp(argv[i], "-t"))
6433 int lfs_setquota_times(int argc, char **argv)
6436 struct if_quotactl qctl;
6437 char *mnt, *obd_type = (char *)qctl.obd_type;
6438 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6439 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
6440 struct option long_opts[] = {
6441 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6442 { .val = 'g', .name = "group", .has_arg = no_argument },
6443 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6444 { .val = 'p', .name = "projid", .has_arg = no_argument },
6445 { .val = 't', .name = "times", .has_arg = no_argument },
6446 { .val = 'u', .name = "user", .has_arg = no_argument },
6450 memset(&qctl, 0, sizeof(qctl));
6451 qctl.qc_cmd = LUSTRE_Q_SETINFO;
6452 qctl.qc_type = ALLQUOTA;
6454 while ((c = getopt_long(argc, argv, "b:gi:ptu",
6455 long_opts, NULL)) != -1) {
6466 if (qctl.qc_type != ALLQUOTA) {
6467 fprintf(stderr, "error: -u/g/p can't be used "
6468 "more than once\n");
6471 qctl.qc_type = qtype;
6474 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
6475 fprintf(stderr, "error: bad block-grace: %s\n",
6479 dqb->dqb_valid |= QIF_BTIME;
6482 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
6483 fprintf(stderr, "error: bad inode-grace: %s\n",
6487 dqb->dqb_valid |= QIF_ITIME;
6489 case 't': /* Yes, of course! */
6491 default: /* getopt prints error message for us when opterr != 0 */
6496 if (qctl.qc_type == ALLQUOTA) {
6497 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6501 if (optind != argc - 1) {
6502 fprintf(stderr, "error: unexpected parameters encountered\n");
6506 if ((dqb->dqb_valid | QIF_BTIME && dqi->dqi_bgrace >= UINT_MAX) ||
6507 (dqb->dqb_valid | QIF_ITIME && dqi->dqi_igrace >= UINT_MAX)) {
6508 fprintf(stderr, "error: grace time is too large\n");
6513 rc = llapi_quotactl(mnt, &qctl);
6516 fprintf(stderr, "%s %s ", obd_type,
6517 obd_uuid2str(&qctl.obd_uuid));
6518 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6525 #define BSLIMIT (1 << 0)
6526 #define BHLIMIT (1 << 1)
6527 #define ISLIMIT (1 << 2)
6528 #define IHLIMIT (1 << 3)
6530 int lfs_setquota(int argc, char **argv)
6533 struct if_quotactl qctl;
6534 char *mnt, *obd_type = (char *)qctl.obd_type;
6535 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6536 struct option long_opts[] = {
6537 { .val = 'b', .name = "block-softlimit",
6538 .has_arg = required_argument },
6539 { .val = 'B', .name = "block-hardlimit",
6540 .has_arg = required_argument },
6541 { .val = 'd', .name = "default", .has_arg = no_argument },
6542 { .val = 'g', .name = "group", .has_arg = required_argument },
6543 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6544 { .val = 'i', .name = "inode-softlimit",
6545 .has_arg = required_argument },
6546 { .val = 'I', .name = "inode-hardlimit",
6547 .has_arg = required_argument },
6548 { .val = 'p', .name = "projid", .has_arg = required_argument },
6549 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6550 { .val = 'u', .name = "user", .has_arg = required_argument },
6551 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6553 unsigned limit_mask = 0;
6555 bool use_default = false;
6558 if (has_times_option(argc, argv))
6559 return lfs_setquota_times(argc, argv);
6561 memset(&qctl, 0, sizeof(qctl));
6562 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
6563 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6564 * so it can be used as a marker that qc_type
6565 * isn't reinitialized from command line */
6567 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
6568 long_opts, NULL)) != -1) {
6571 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6574 goto quota_type_def;
6577 rc = name2uid(&qctl.qc_id, optarg);
6580 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6583 goto quota_type_def;
6586 rc = name2gid(&qctl.qc_id, optarg);
6589 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6592 goto quota_type_def;
6595 rc = name2projid(&qctl.qc_id, optarg);
6598 qctl.qc_id = strtoul(optarg, &endptr, 10);
6599 if (*endptr != '\0') {
6600 fprintf(stderr, "%s setquota: invalid"
6601 " id '%s'\n", progname, optarg);
6606 if (qctl.qc_id == 0) {
6607 fprintf(stderr, "%s setquota: can't set quota"
6608 " for root usr/group/project.\n",
6614 if (qctl.qc_type != ALLQUOTA) {
6616 "%s setquota: only one of -u, -U, -g,"
6617 " -G, -p or -P may be specified\n",
6621 qctl.qc_type = qtype;
6624 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6628 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6629 dqb->dqb_bsoftlimit >>= 10;
6630 limit_mask |= BSLIMIT;
6631 if (dqb->dqb_bsoftlimit &&
6632 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6634 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6635 "See '%s help setquota' or Lustre manual for details\n",
6637 (unsigned long long)dqb->dqb_bsoftlimit,
6641 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6642 dqb->dqb_bhardlimit >>= 10;
6643 limit_mask |= BHLIMIT;
6644 if (dqb->dqb_bhardlimit &&
6645 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6647 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6648 "See '%s help setquota' or Lustre manual for details\n",
6650 (unsigned long long)dqb->dqb_bhardlimit,
6654 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6655 limit_mask |= ISLIMIT;
6656 if (dqb->dqb_isoftlimit &&
6657 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6659 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6660 "See '%s help setquota' or Lustre manual for details\n",
6662 (unsigned long long)dqb->dqb_isoftlimit,
6666 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6667 limit_mask |= IHLIMIT;
6668 if (dqb->dqb_ihardlimit &&
6669 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6671 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6672 "See '%s help setquota' or Lustre manual for details\n",
6674 (unsigned long long)dqb->dqb_ihardlimit,
6679 "%s setquota: unrecognized option '%s'\n",
6680 progname, argv[optind - 1]);
6685 if (qctl.qc_type == ALLQUOTA) {
6687 "%s setquota: either -u or -g must be specified\n",
6692 if (!use_default && limit_mask == 0) {
6694 "%s setquota: at least one limit must be specified\n",
6699 if (use_default && limit_mask != 0) {
6701 "%s setquota: limits should not be specified when"
6702 " using default quota\n",
6707 if (use_default && qctl.qc_id == 0) {
6709 "%s setquota: can not set default quota for root"
6710 " user/group/project\n",
6715 if (optind != argc - 1) {
6717 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6718 progname, argv[optind]);
6725 dqb->dqb_bhardlimit = 0;
6726 dqb->dqb_bsoftlimit = 0;
6727 dqb->dqb_ihardlimit = 0;
6728 dqb->dqb_isoftlimit = 0;
6731 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6732 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6733 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6734 /* sigh, we can't just set blimits/ilimits */
6735 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6736 .qc_type = qctl.qc_type,
6737 .qc_id = qctl.qc_id};
6739 rc = llapi_quotactl(mnt, &tmp_qctl);
6743 if (!(limit_mask & BHLIMIT))
6744 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6745 if (!(limit_mask & BSLIMIT))
6746 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6747 if (!(limit_mask & IHLIMIT))
6748 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6749 if (!(limit_mask & ISLIMIT))
6750 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6752 /* Keep grace times if we have got no softlimit arguments */
6753 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6754 dqb->dqb_valid |= QIF_BTIME;
6755 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6758 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6759 dqb->dqb_valid |= QIF_ITIME;
6760 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6764 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6765 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6767 rc = llapi_quotactl(mnt, &qctl);
6771 "%s setquota: cannot quotactl '%s' '%s': %s",
6773 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6780 /* Converts seconds value into format string
6781 * result is returned in buf
6783 * 1. result is in descenting order: 1w2d3h4m5s
6784 * 2. zero fields are not filled (except for p. 3): 5d1s
6785 * 3. zero seconds value is presented as "0s"
6787 static char * __sec2str(time_t seconds, char *buf)
6789 const char spec[] = "smhdw";
6790 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6795 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
6796 c = seconds / mult[i];
6798 if (c > 0 || (i == 0 && buf == tail))
6799 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
6807 static void sec2str(time_t seconds, char *buf, int rc)
6814 tail = __sec2str(seconds, tail);
6816 if (rc && tail - buf < 39) {
6822 static void diff2str(time_t seconds, char *buf, time_t now)
6828 if (seconds <= now) {
6829 strcpy(buf, "none");
6832 __sec2str(seconds - now, buf);
6835 static void print_quota_title(char *name, struct if_quotactl *qctl,
6836 bool human_readable, bool show_default)
6839 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6840 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6841 "Filesystem", "bquota", "blimit", "bgrace",
6842 "iquota", "ilimit", "igrace");
6844 printf("Disk quotas for %s %s (%cid %u):\n",
6845 qtype_name(qctl->qc_type), name,
6846 *qtype_name(qctl->qc_type), qctl->qc_id);
6847 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6848 "Filesystem", human_readable ? "used" : "kbytes",
6849 "quota", "limit", "grace",
6850 "files", "quota", "limit", "grace");
6854 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6857 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6860 snprintf(buf, buflen, "%5.4gP",
6861 (double)num / ((__u64)1 << 40));
6863 snprintf(buf, buflen, "%5.4gT",
6864 (double)num / (1 << 30));
6866 snprintf(buf, buflen, "%5.4gG",
6867 (double)num / (1 << 20));
6869 snprintf(buf, buflen, "%5.4gM",
6870 (double)num / (1 << 10));
6872 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6876 #define STRBUF_LEN 32
6877 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6878 int rc, bool h, bool show_default)
6884 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6885 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6886 int bover = 0, iover = 0;
6887 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6888 char numbuf[3][STRBUF_LEN];
6890 char strbuf[STRBUF_LEN];
6892 if (dqb->dqb_bhardlimit &&
6893 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6895 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6896 if (dqb->dqb_btime > now) {
6903 if (dqb->dqb_ihardlimit &&
6904 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6906 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6907 if (dqb->dqb_itime > now) {
6915 if (strlen(mnt) > 15)
6916 printf("%s\n%15s", mnt, "");
6918 printf("%15s", mnt);
6921 diff2str(dqb->dqb_btime, timebuf, now);
6922 else if (show_default)
6923 snprintf(timebuf, sizeof(timebuf), "%llu",
6924 (unsigned long long)dqb->dqb_btime);
6926 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6927 strbuf, sizeof(strbuf), h);
6928 if (rc == -EREMOTEIO)
6929 sprintf(numbuf[0], "%s*", strbuf);
6931 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6932 "%s" : "[%s]", strbuf);
6934 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6935 if (type == QC_GENERAL)
6936 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6937 "%s" : "[%s]", strbuf);
6939 sprintf(numbuf[1], "%s", "-");
6941 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6942 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6943 "%s" : "[%s]", strbuf);
6946 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6948 printf(" %7s%c %6s %7s %7s",
6949 numbuf[0], bover ? '*' : ' ', numbuf[1],
6950 numbuf[2], bover > 1 ? timebuf : "-");
6954 diff2str(dqb->dqb_itime, timebuf, now);
6955 else if (show_default)
6956 snprintf(timebuf, sizeof(timebuf), "%llu",
6957 (unsigned long long)dqb->dqb_itime);
6959 snprintf(numbuf[0], sizeof(numbuf),
6960 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
6961 (uintmax_t)dqb->dqb_curinodes);
6963 if (type == QC_GENERAL)
6964 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
6966 (uintmax_t)dqb->dqb_isoftlimit);
6968 sprintf(numbuf[1], "%s", "-");
6970 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
6971 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
6974 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6975 else if (type != QC_OSTIDX)
6976 printf(" %7s%c %6s %7s %7s",
6977 numbuf[0], iover ? '*' : ' ', numbuf[1],
6978 numbuf[2], iover > 1 ? timebuf : "-");
6980 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
6983 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
6984 qctl->qc_cmd == Q_GETOINFO) {
6988 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
6989 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
6990 printf("Block grace time: %s; Inode grace time: %s\n",
6991 bgtimebuf, igtimebuf);
6995 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
6996 bool h, __u64 *total)
6998 int rc = 0, rc1 = 0, count = 0;
6999 __u32 valid = qctl->qc_valid;
7001 rc = llapi_get_obd_count(mnt, &count, is_mdt);
7003 fprintf(stderr, "can not get %s count: %s\n",
7004 is_mdt ? "mdt": "ost", strerror(-rc));
7008 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
7009 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
7010 rc = llapi_quotactl(mnt, qctl);
7012 /* It is remote client case. */
7013 if (rc == -EOPNOTSUPP) {
7020 fprintf(stderr, "quotactl %s%d failed.\n",
7021 is_mdt ? "mdt": "ost", qctl->qc_idx);
7025 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
7026 qctl->qc_valid, 0, h, false);
7027 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
7028 qctl->qc_dqblk.dqb_bhardlimit;
7031 qctl->qc_valid = valid;
7035 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
7036 int verbose, int quiet, bool human_readable,
7039 int rc1 = 0, rc2 = 0, rc3 = 0;
7040 char *obd_type = (char *)qctl->obd_type;
7041 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
7042 __u64 total_ialloc = 0, total_balloc = 0;
7043 bool use_default_for_blk = false;
7044 bool use_default_for_file = false;
7047 rc1 = llapi_quotactl(mnt, qctl);
7051 fprintf(stderr, "%s quotas are not enabled.\n",
7052 qtype_name(qctl->qc_type));
7055 fprintf(stderr, "Permission denied.\n");
7058 /* We already got error message. */
7061 fprintf(stderr, "Unexpected quotactl error: %s\n",
7066 if (!show_default && qctl->qc_id == 0) {
7067 qctl->qc_dqblk.dqb_bhardlimit = 0;
7068 qctl->qc_dqblk.dqb_bsoftlimit = 0;
7069 qctl->qc_dqblk.dqb_ihardlimit = 0;
7070 qctl->qc_dqblk.dqb_isoftlimit = 0;
7071 qctl->qc_dqblk.dqb_btime = 0;
7072 qctl->qc_dqblk.dqb_itime = 0;
7073 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
7076 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
7077 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
7078 use_default_for_blk = true;
7079 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
7082 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
7083 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
7084 use_default_for_file = true;
7085 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7088 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7089 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7090 print_quota_title(name, qctl, human_readable, show_default);
7092 if (rc1 && *obd_type)
7093 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7095 if (qctl->qc_valid != QC_GENERAL)
7098 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
7099 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7100 (QIF_LIMITS|QIF_USAGE));
7102 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7104 if (!show_default && verbose &&
7105 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
7106 char strbuf[STRBUF_LEN];
7108 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7110 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7112 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7114 printf("Total allocated inode limit: %ju, total "
7115 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
7119 if (use_default_for_blk)
7120 printf("%cid %u is using default block quota setting\n",
7121 *qtype_name(qctl->qc_type), qctl->qc_id);
7123 if (use_default_for_file)
7124 printf("%cid %u is using default file quota setting\n",
7125 *qtype_name(qctl->qc_type), qctl->qc_id);
7127 if (rc1 || rc2 || rc3 || inacc)
7128 printf("Some errors happened when getting quota info. "
7129 "Some devices may be not working or deactivated. "
7130 "The data in \"[]\" is inaccurate.\n");
7136 static int lfs_project(int argc, char **argv)
7138 int ret = 0, err = 0, c, i;
7139 struct project_handle_control phc = { 0 };
7140 enum lfs_project_ops_t op;
7143 phc.assign_projid = false;
7144 /* default action */
7145 op = LFS_PROJECT_LIST;
7147 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7150 if (op != LFS_PROJECT_LIST) {
7152 "%s: cannot specify '-c' '-C' '-s' together\n",
7157 op = LFS_PROJECT_CHECK;
7160 if (op != LFS_PROJECT_LIST) {
7162 "%s: cannot specify '-c' '-C' '-s' together\n",
7167 op = LFS_PROJECT_CLEAR;
7170 if (op != LFS_PROJECT_LIST) {
7172 "%s: cannot specify '-c' '-C' '-s' together\n",
7177 phc.set_inherit = true;
7178 op = LFS_PROJECT_SET;
7184 phc.keep_projid = true;
7187 phc.recursive = true;
7190 phc.projid = strtoul(optarg, NULL, 0);
7191 phc.assign_projid = true;
7195 phc.newline = false;
7198 fprintf(stderr, "%s: invalid option '%c'\n",
7204 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7205 op = LFS_PROJECT_SET;
7206 phc.set_projid = true;
7207 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7208 phc.set_projid = true;
7212 case LFS_PROJECT_CHECK:
7213 if (phc.keep_projid) {
7215 "%s: '-k' is useless together with '-c'\n",
7220 case LFS_PROJECT_CLEAR:
7223 "%s: '-0' is useless together with '-C'\n",
7227 if (phc.assign_projid) {
7229 "%s: '-p' is useless together with '-C'\n",
7234 case LFS_PROJECT_SET:
7237 "%s: '-0' is useless together with '-s'\n",
7241 if (phc.keep_projid) {
7243 "%s: '-k' is useless together with '-s'\n",
7251 "%s: '-0' is useless for list operations\n",
7261 fprintf(stderr, "%s: missing file or directory target(s)\n",
7266 for (i = 0; i < argc; i++) {
7268 case LFS_PROJECT_CHECK:
7269 err = lfs_project_check(argv[i], &phc);
7271 case LFS_PROJECT_LIST:
7272 err = lfs_project_list(argv[i], &phc);
7274 case LFS_PROJECT_CLEAR:
7275 err = lfs_project_clear(argv[i], &phc);
7277 case LFS_PROJECT_SET:
7278 err = lfs_project_set(argv[i], &phc);
7290 static int lfs_quota(int argc, char **argv)
7293 char *mnt, *name = NULL;
7294 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
7295 .qc_type = ALLQUOTA };
7296 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
7297 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7299 __u32 valid = QC_GENERAL, idx = 0;
7300 bool human_readable = false;
7301 bool show_default = false;
7304 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
7307 show_default = true;
7312 show_default = true;
7317 show_default = true;
7321 if (qctl.qc_type != ALLQUOTA) {
7323 "%s quota: only one of -u, -g, or -p may be specified\n",
7327 qctl.qc_type = qtype;
7330 qctl.qc_cmd = LUSTRE_Q_GETINFO;
7333 valid = qctl.qc_valid = QC_UUID;
7334 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
7337 valid = qctl.qc_valid = QC_MDTIDX;
7338 idx = qctl.qc_idx = atoi(optarg);
7339 if (idx == 0 && *optarg != '0') {
7341 "%s quota: invalid MDT index '%s'\n",
7347 valid = qctl.qc_valid = QC_OSTIDX;
7348 idx = qctl.qc_idx = atoi(optarg);
7349 if (idx == 0 && *optarg != '0') {
7351 "%s quota: invalid OST index '%s'\n",
7363 human_readable = true;
7366 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7367 progname, argv[optind - 1]);
7372 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7373 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
7374 optind == argc - 1 && !show_default) {
7376 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
7379 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7380 qctl.qc_type = qtype;
7381 qctl.qc_valid = valid;
7382 if (qtype == USRQUOTA) {
7383 qctl.qc_id = geteuid();
7384 rc = uid2name(&name, qctl.qc_id);
7386 qctl.qc_id = getegid();
7387 rc = gid2name(&name, qctl.qc_id);
7388 memset(&qctl.qc_dqblk, 0,
7389 sizeof(qctl.qc_dqblk));
7394 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
7395 human_readable, show_default);
7400 /* lfs quota -u username /path/to/lustre/mount */
7401 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
7402 /* options should be followed by u/g-name and mntpoint */
7403 if ((!show_default && optind + 2 != argc) ||
7404 (show_default && optind + 1 != argc) ||
7405 qctl.qc_type == ALLQUOTA) {
7407 "%s quota: name and mount point must be specified\n",
7412 if (!show_default) {
7413 name = argv[optind++];
7414 switch (qctl.qc_type) {
7416 rc = name2uid(&qctl.qc_id, name);
7419 rc = name2gid(&qctl.qc_id, name);
7422 rc = name2projid(&qctl.qc_id, name);
7429 qctl.qc_valid = QC_GENERAL;
7430 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
7435 qctl.qc_id = strtoul(name, &endptr, 10);
7436 if (*endptr != '\0') {
7437 fprintf(stderr, "%s quota: invalid id '%s'\n",
7442 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
7443 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7449 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
7450 human_readable, show_default);
7453 #endif /* HAVE_SYS_QUOTA_H! */
7455 static int flushctx_ioctl(char *mp)
7459 fd = open(mp, O_RDONLY);
7461 fprintf(stderr, "flushctx: error open %s: %s\n",
7462 mp, strerror(errno));
7466 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7468 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7469 mp, strerror(errno));
7475 static int lfs_flushctx(int argc, char **argv)
7477 int kdestroy = 0, c;
7478 char mntdir[PATH_MAX] = {'\0'};
7482 while ((c = getopt(argc, argv, "k")) != -1) {
7488 fprintf(stderr, "error: %s: option '-%c' "
7489 "unrecognized\n", argv[0], c);
7495 if ((rc = system("kdestroy > /dev/null")) != 0) {
7496 rc = WEXITSTATUS(rc);
7497 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7501 if (optind >= argc) {
7502 /* flush for all mounted lustre fs. */
7503 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7504 /* Check if we have a mount point */
7505 if (mntdir[0] == '\0')
7508 if (flushctx_ioctl(mntdir))
7511 mntdir[0] = '\0'; /* avoid matching in next loop */
7514 /* flush fs as specified */
7515 while (optind < argc) {
7516 if (flushctx_ioctl(argv[optind++]))
7523 static int lfs_changelog(int argc, char **argv)
7525 void *changelog_priv;
7526 struct changelog_rec *rec;
7527 long long startrec = 0, endrec = 0;
7529 struct option long_opts[] = {
7530 { .val = 'f', .name = "follow", .has_arg = no_argument },
7532 char short_opts[] = "f";
7535 while ((rc = getopt_long(argc, argv, short_opts,
7536 long_opts, NULL)) != -1) {
7543 "%s changelog: unrecognized option '%s'\n",
7544 progname, argv[optind - 1]);
7548 if (optind >= argc) {
7549 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7554 mdd = argv[optind++];
7556 startrec = strtoll(argv[optind++], NULL, 10);
7558 endrec = strtoll(argv[optind++], NULL, 10);
7560 rc = llapi_changelog_start(&changelog_priv,
7561 CHANGELOG_FLAG_BLOCK |
7562 CHANGELOG_FLAG_JOBID |
7563 CHANGELOG_FLAG_EXTRA_FLAGS |
7564 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7567 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7568 progname, strerror(errno = -rc));
7572 rc = llapi_changelog_set_xflags(changelog_priv,
7573 CHANGELOG_EXTRA_FLAG_UIDGID |
7574 CHANGELOG_EXTRA_FLAG_NID |
7575 CHANGELOG_EXTRA_FLAG_OMODE |
7576 CHANGELOG_EXTRA_FLAG_XATTR);
7579 "%s changelog: cannot set xflags for changelog: %s\n",
7580 progname, strerror(errno = -rc));
7584 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7588 if (endrec && rec->cr_index > endrec) {
7589 llapi_changelog_free(&rec);
7592 if (rec->cr_index < startrec) {
7593 llapi_changelog_free(&rec);
7597 secs = rec->cr_time >> 30;
7598 gmtime_r(&secs, &ts);
7599 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7600 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7601 changelog_type2str(rec->cr_type),
7602 ts.tm_hour, ts.tm_min, ts.tm_sec,
7603 (int)(rec->cr_time & ((1 << 30) - 1)),
7604 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7605 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7607 if (rec->cr_flags & CLF_JOBID) {
7608 struct changelog_ext_jobid *jid =
7609 changelog_rec_jobid(rec);
7611 if (jid->cr_jobid[0] != '\0')
7612 printf(" j=%s", jid->cr_jobid);
7615 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7616 struct changelog_ext_extra_flags *ef =
7617 changelog_rec_extra_flags(rec);
7619 printf(" ef=0x%llx",
7620 (unsigned long long)ef->cr_extra_flags);
7622 if (ef->cr_extra_flags & CLFE_UIDGID) {
7623 struct changelog_ext_uidgid *uidgid =
7624 changelog_rec_uidgid(rec);
7626 printf(" u=%llu:%llu",
7627 (unsigned long long)uidgid->cr_uid,
7628 (unsigned long long)uidgid->cr_gid);
7630 if (ef->cr_extra_flags & CLFE_NID) {
7631 struct changelog_ext_nid *nid =
7632 changelog_rec_nid(rec);
7635 libcfs_nid2str(nid->cr_nid));
7638 if (ef->cr_extra_flags & CLFE_OPEN) {
7639 struct changelog_ext_openmode *omd =
7640 changelog_rec_openmode(rec);
7641 char mode[] = "---";
7643 /* exec mode must be exclusive */
7644 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7647 if (omd->cr_openflags & MDS_FMODE_READ)
7649 if (omd->cr_openflags &
7656 if (strcmp(mode, "---") != 0)
7657 printf(" m=%s", mode);
7661 if (ef->cr_extra_flags & CLFE_XATTR) {
7662 struct changelog_ext_xattr *xattr =
7663 changelog_rec_xattr(rec);
7665 if (xattr->cr_xattr[0] != '\0')
7666 printf(" x=%s", xattr->cr_xattr);
7670 if (rec->cr_namelen)
7671 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7672 rec->cr_namelen, changelog_rec_name(rec));
7674 if (rec->cr_flags & CLF_RENAME) {
7675 struct changelog_ext_rename *rnm =
7676 changelog_rec_rename(rec);
7678 if (!fid_is_zero(&rnm->cr_sfid))
7679 printf(" s="DFID" sp="DFID" %.*s",
7680 PFID(&rnm->cr_sfid),
7681 PFID(&rnm->cr_spfid),
7682 (int)changelog_rec_snamelen(rec),
7683 changelog_rec_sname(rec));
7687 llapi_changelog_free(&rec);
7690 llapi_changelog_fini(&changelog_priv);
7693 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7694 progname, strerror(errno = -rc));
7696 return (rc == 1 ? 0 : rc);
7699 static int lfs_changelog_clear(int argc, char **argv)
7707 endrec = strtoll(argv[3], NULL, 10);
7709 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7712 fprintf(stderr, "%s: record out of range: %llu\n",
7714 else if (rc == -ENOENT)
7715 fprintf(stderr, "%s: no changelog user: %s\n",
7718 fprintf(stderr, "%s error: %s\n", argv[0],
7727 static int lfs_fid2path(int argc, char **argv)
7729 struct option long_opts[] = {
7730 { .val = 'c', .name = "cur", .has_arg = no_argument },
7731 { .val = 'l', .name = "link", .has_arg = required_argument },
7732 { .val = 'r', .name = "rec", .has_arg = required_argument },
7734 char short_opts[] = "cl:r:";
7735 char *device, *fid, *path;
7736 long long recno = -1;
7741 char *endptr = NULL;
7743 while ((rc = getopt_long(argc, argv, short_opts,
7744 long_opts, NULL)) != -1) {
7750 linkno = strtol(optarg, &endptr, 10);
7751 if (*endptr != '\0') {
7753 "%s fid2path: invalid linkno '%s'\n",
7759 recno = strtoll(optarg, &endptr, 10);
7760 if (*endptr != '\0') {
7762 "%s fid2path: invalid recno '%s'\n",
7769 "%s fid2path: unrecognized option '%s'\n",
7770 progname, argv[optind - 1]);
7777 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7782 device = argv[optind++];
7783 path = calloc(1, PATH_MAX);
7787 "%s fid2path: cannot allocate memory for path: %s\n",
7788 progname, strerror(-rc));
7793 while (optind < argc) {
7794 fid = argv[optind++];
7796 lnktmp = (linkno >= 0) ? linkno : 0;
7798 int oldtmp = lnktmp;
7799 long long rectmp = recno;
7801 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7805 "%s fid2path: cannot find '%s': %s\n",
7806 progname, fid, strerror(errno = -rc2));
7813 fprintf(stdout, "%lld ", rectmp);
7814 if (device[0] == '/') {
7815 fprintf(stdout, "%s", device);
7816 if (device[strlen(device) - 1] != '/')
7817 fprintf(stdout, "/");
7818 } else if (path[0] == '\0') {
7819 fprintf(stdout, "/");
7821 fprintf(stdout, "%s\n", path);
7824 /* specified linkno */
7826 if (oldtmp == lnktmp)
7836 static int lfs_path2fid(int argc, char **argv)
7838 struct option long_opts[] = {
7839 { .val = 'p', .name = "parents", .has_arg = no_argument },
7842 const char short_opts[] = "p";
7843 const char *sep = "";
7846 bool show_parents = false;
7848 while ((rc = getopt_long(argc, argv, short_opts,
7849 long_opts, NULL)) != -1) {
7852 show_parents = true;
7856 "%s path2fid: unrecognized option '%s'\n",
7857 progname, argv[optind - 1]);
7862 if (optind > argc - 1) {
7863 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7867 else if (optind < argc - 1)
7871 for (path = argv + optind; *path != NULL; path++) {
7873 if (!show_parents) {
7874 err = llapi_path2fid(*path, &fid);
7876 printf("%s%s"DFID"\n",
7877 *sep != '\0' ? *path : "", sep,
7880 char name[NAME_MAX + 1];
7881 unsigned int linkno = 0;
7883 while ((err = llapi_path2parent(*path, linkno, &fid,
7884 name, sizeof(name))) == 0) {
7885 if (*sep != '\0' && linkno == 0)
7886 printf("%s%s", *path, sep);
7888 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7893 /* err == -ENODATA is end-of-loop */
7894 if (linkno > 0 && err == -ENODATA) {
7902 "%s path2fid: cannot get %sfid for '%s': %s\n",
7903 progname, show_parents ? "parent " : "", *path,
7915 #define MAX_ERRNO 4095
7916 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
7918 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
7922 rc = llapi_rmfid(device, fa);
7924 fprintf(stderr, "rmfid(): rc = %d\n", rc);
7928 for (k = 0; k < fa->fa_nr; k++) {
7929 rc = (__s32)fa->fa_fids[k].f_ver;
7930 if (!IS_ERR_VALUE(rc))
7936 fa->fa_fids[k].f_ver = 0;
7937 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
7938 PFID(&fa->fa_fids[k]), rc);
7944 static int lfs_rmfid(int argc, char **argv)
7946 char *fidstr, *device;
7947 int rc = 0, rc2, nr;
7948 struct fid_array *fa;
7950 if (optind > argc - 1) {
7951 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
7955 device = argv[optind++];
7958 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
7964 while (optind < argc) {
7967 fidstr = argv[optind++];
7968 while (*fidstr == '[')
7970 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
7972 fprintf(stderr, "unrecognized FID: %s\n",
7977 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
7978 /* start another batch */
7979 rc2 = lfs_rmfid_and_show_errors(device, fa);
7986 rc2 = lfs_rmfid_and_show_errors(device, fa);
7994 static int lfs_data_version(int argc, char **argv)
8001 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
8004 fprintf(stderr, "%s data_version: FILE must be specified\n",
8009 while ((c = getopt(argc, argv, "nrw")) != -1) {
8012 data_version_flags = 0;
8015 data_version_flags |= LL_DV_RD_FLUSH;
8018 data_version_flags |= LL_DV_WR_FLUSH;
8022 "%s data_version: unrecognized option '%s'\n",
8023 progname, argv[optind - 1]);
8027 if (optind == argc) {
8028 fprintf(stderr, "%s data_version: FILE must be specified\n",
8033 path = argv[optind];
8034 fd = open(path, O_RDONLY);
8037 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
8038 progname, path, strerror(-rc));
8042 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
8045 "%s data_version: cannot get version for '%s': %s\n",
8046 progname, path, strerror(-rc));
8048 printf("%ju" "\n", (uintmax_t)data_version);
8054 static int lfs_hsm_state(int argc, char **argv)
8059 struct hsm_user_state hus;
8067 rc = llapi_hsm_state_get(path, &hus);
8069 fprintf(stderr, "can't get hsm state for %s: %s\n",
8070 path, strerror(errno = -rc));
8074 /* Display path name and status flags */
8075 printf("%s: (0x%08x)", path, hus.hus_states);
8077 if (hus.hus_states & HS_RELEASED)
8078 printf(" released");
8079 if (hus.hus_states & HS_EXISTS)
8081 if (hus.hus_states & HS_DIRTY)
8083 if (hus.hus_states & HS_ARCHIVED)
8084 printf(" archived");
8085 /* Display user-settable flags */
8086 if (hus.hus_states & HS_NORELEASE)
8087 printf(" never_release");
8088 if (hus.hus_states & HS_NOARCHIVE)
8089 printf(" never_archive");
8090 if (hus.hus_states & HS_LOST)
8091 printf(" lost_from_hsm");
8093 if (hus.hus_archive_id != 0)
8094 printf(", archive_id:%d", hus.hus_archive_id);
8097 } while (++i < argc);
8102 #define LFS_HSM_SET 0
8103 #define LFS_HSM_CLEAR 1
8106 * Generic function to set or clear HSM flags.
8107 * Used by hsm_set and hsm_clear.
8109 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8111 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8113 struct option long_opts[] = {
8114 { .val = 'A', .name = "archived", .has_arg = no_argument },
8115 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8116 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8117 { .val = 'e', .name = "exists", .has_arg = no_argument },
8118 { .val = 'l', .name = "lost", .has_arg = no_argument },
8119 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8120 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8122 char short_opts[] = "lraAdei:";
8126 __u32 archive_id = 0;
8132 while ((c = getopt_long(argc, argv, short_opts,
8133 long_opts, NULL)) != -1) {
8139 mask |= HS_NOARCHIVE;
8142 mask |= HS_ARCHIVED;
8145 mask |= HS_NORELEASE;
8154 archive_id = strtol(optarg, &end, 10);
8156 fprintf(stderr, "invalid archive_id: '%s'\n",
8164 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8165 argv[0], argv[optind - 1]);
8170 /* User should have specified a flag */
8174 while (optind < argc) {
8176 path = argv[optind];
8178 /* If mode == 0, this means we apply the mask. */
8179 if (mode == LFS_HSM_SET)
8180 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8182 rc = llapi_hsm_state_set(path, 0, mask, 0);
8185 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8186 path, strerror(errno = -rc));
8195 static int lfs_hsm_action(int argc, char **argv)
8200 struct hsm_current_action hca;
8201 struct hsm_extent he;
8202 enum hsm_user_action hua;
8203 enum hsm_progress_states hps;
8211 rc = llapi_hsm_current_action(path, &hca);
8213 fprintf(stderr, "can't get hsm action for %s: %s\n",
8214 path, strerror(errno = -rc));
8217 he = hca.hca_location;
8218 hua = hca.hca_action;
8219 hps = hca.hca_state;
8221 printf("%s: %s", path, hsm_user_action2name(hua));
8223 /* Skip file without action */
8224 if (hca.hca_action == HUA_NONE) {
8229 printf(" %s ", hsm_progress_state2name(hps));
8231 if ((hps == HPS_RUNNING) &&
8232 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8233 printf("(%llu bytes moved)\n",
8234 (unsigned long long)he.length);
8235 else if ((he.offset + he.length) == LUSTRE_EOF)
8236 printf("(from %llu to EOF)\n",
8237 (unsigned long long)he.offset);
8239 printf("(from %llu to %llu)\n",
8240 (unsigned long long)he.offset,
8241 (unsigned long long)(he.offset + he.length));
8243 } while (++i < argc);
8248 static int lfs_hsm_set(int argc, char **argv)
8250 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8253 static int lfs_hsm_clear(int argc, char **argv)
8255 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8259 * Check file state and return its fid, to be used by lfs_hsm_request().
8261 * \param[in] file Path to file to check
8262 * \param[in,out] fid Pointer to allocated lu_fid struct.
8263 * \param[in,out] last_dev Pointer to last device id used.
8265 * \return 0 on success.
8267 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8273 rc = lstat(file, &st);
8275 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8278 /* Checking for regular file as archiving as posix copytool
8279 * rejects archiving files other than regular files
8281 if (!S_ISREG(st.st_mode)) {
8282 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8285 /* A request should be ... */
8286 if (*last_dev != st.st_dev && *last_dev != 0) {
8287 fprintf(stderr, "All files should be "
8288 "on the same filesystem: %s\n", file);
8291 *last_dev = st.st_dev;
8293 rc = llapi_path2fid(file, fid);
8295 fprintf(stderr, "Cannot read FID of %s: %s\n",
8296 file, strerror(-rc));
8302 /* Fill an HSM HUR item with a given file name.
8304 * If mntpath is set, then the filename is actually a FID, and no
8305 * lookup on the filesystem will be performed.
8307 * \param[in] hur the user request to fill
8308 * \param[in] idx index of the item inside the HUR to fill
8309 * \param[in] mntpath mountpoint of Lustre
8310 * \param[in] fname filename (if mtnpath is NULL)
8311 * or FID (if mntpath is set)
8312 * \param[in] last_dev pointer to last device id used
8314 * \retval 0 on success
8315 * \retval CMD_HELP or a negative errno on error
8317 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8318 const char *mntpath, const char *fname,
8321 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8324 hui->hui_extent.length = -1;
8326 if (mntpath != NULL) {
8329 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
8333 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8338 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8342 hur->hur_request.hr_itemcount++;
8347 static int lfs_hsm_request(int argc, char **argv, int action)
8349 struct option long_opts[] = {
8350 { .val = 'a', .name = "archive", .has_arg = required_argument },
8351 { .val = 'D', .name = "data", .has_arg = required_argument },
8352 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8353 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8356 char short_opts[] = "l:D:a:m:";
8357 struct hsm_user_request *hur, *oldhur;
8362 char *filelist = NULL;
8363 char fullpath[PATH_MAX];
8364 char *opaque = NULL;
8368 int nbfile_alloc = 0;
8369 char *some_file = NULL;
8370 char *mntpath = NULL;
8376 while ((c = getopt_long(argc, argv, short_opts,
8377 long_opts, NULL)) != -1) {
8386 if (action != HUA_ARCHIVE &&
8387 action != HUA_REMOVE) {
8389 "error: -a is supported only "
8390 "when archiving or removing\n");
8393 archive_id = atoi(optarg);
8396 if (some_file == NULL) {
8398 some_file = strdup(optarg);
8404 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8405 argv[0], argv[optind - 1]);
8410 /* All remaining args are files, so we have at least nbfile */
8411 nbfile = argc - optind;
8413 if ((nbfile == 0) && (filelist == NULL))
8417 opaque_len = strlen(opaque);
8419 /* Alloc the request structure with enough place to store all files
8420 * from command line. */
8421 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8423 fprintf(stderr, "Cannot create the request: %s\n",
8427 nbfile_alloc = nbfile;
8429 hur->hur_request.hr_action = action;
8430 hur->hur_request.hr_archive_id = archive_id;
8431 hur->hur_request.hr_flags = 0;
8433 /* All remaining args are files, add them */
8434 if (nbfile != 0 && some_file == NULL)
8435 some_file = strdup(argv[optind]);
8437 for (i = 0; i < nbfile; i++) {
8438 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8444 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8446 /* If a filelist was specified, read the filelist from it. */
8447 if (filelist != NULL) {
8448 fp = fopen(filelist, "r");
8450 fprintf(stderr, "Cannot read the file list %s: %s\n",
8451 filelist, strerror(errno));
8456 while ((rc = getline(&line, &len, fp)) != -1) {
8457 /* If allocated buffer was too small, get something
8459 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8462 nbfile_alloc = nbfile_alloc * 2 + 1;
8464 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8467 fprintf(stderr, "hsm: cannot allocate "
8468 "the request: %s\n",
8475 size = hur_len(oldhur);
8477 fprintf(stderr, "hsm: cannot allocate "
8478 "%u files + %u bytes data\n",
8479 oldhur->hur_request.hr_itemcount,
8480 oldhur->hur_request.hr_data_len);
8487 memcpy(hur, oldhur, size);
8492 if (line[strlen(line) - 1] == '\n')
8493 line[strlen(line) - 1] = '\0';
8495 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8496 mntpath, line, &last_dev);
8502 if (some_file == NULL) {
8512 /* If a --data was used, add it to the request */
8513 hur->hur_request.hr_data_len = opaque_len;
8515 memcpy(hur_data(hur), opaque, opaque_len);
8517 /* Send the HSM request */
8518 if (realpath(some_file, fullpath) == NULL) {
8519 fprintf(stderr, "Could not find path '%s': %s\n",
8520 some_file, strerror(errno));
8522 rc = llapi_hsm_request(fullpath, hur);
8524 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8525 some_file, strerror(-rc));
8535 static int lfs_hsm_archive(int argc, char **argv)
8537 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8540 static int lfs_hsm_restore(int argc, char **argv)
8542 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8545 static int lfs_hsm_release(int argc, char **argv)
8547 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8550 static int lfs_hsm_remove(int argc, char **argv)
8552 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8555 static int lfs_hsm_cancel(int argc, char **argv)
8557 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8560 static int lfs_swap_layouts(int argc, char **argv)
8565 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8566 SWAP_LAYOUTS_KEEP_MTIME |
8567 SWAP_LAYOUTS_KEEP_ATIME);
8570 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8572 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8574 int lfs_get_mode(const char *string)
8576 enum lock_mode_user mode;
8578 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8579 if (lock_mode_names[mode] == NULL)
8581 if (strcmp(string, lock_mode_names[mode]) == 0)
8588 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8590 enum lu_ladvise_type advice;
8593 advice < ARRAY_SIZE(ladvise_names); advice++) {
8594 if (ladvise_names[advice] == NULL)
8596 if (strcmp(string, ladvise_names[advice]) == 0)
8600 return LU_LADVISE_INVALID;
8603 static int lfs_ladvise(int argc, char **argv)
8605 struct option long_opts[] = {
8606 { .val = 'a', .name = "advice", .has_arg = required_argument },
8607 { .val = 'b', .name = "background", .has_arg = no_argument },
8608 { .val = 'e', .name = "end", .has_arg = required_argument },
8609 { .val = 'l', .name = "length", .has_arg = required_argument },
8610 { .val = 'm', .name = "mode", .has_arg = required_argument },
8611 { .val = 's', .name = "start", .has_arg = required_argument },
8612 { .val = 'u', .name = "unset", .has_arg = no_argument },
8614 char short_opts[] = "a:be:l:m:s:u";
8619 struct llapi_lu_ladvise advice;
8620 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8621 unsigned long long start = 0;
8622 unsigned long long end = LUSTRE_EOF;
8623 unsigned long long length = 0;
8624 unsigned long long size_units;
8625 unsigned long long flags = 0;
8629 while ((c = getopt_long(argc, argv, short_opts,
8630 long_opts, NULL)) != -1) {
8633 advice_type = lfs_get_ladvice(optarg);
8634 if (advice_type == LU_LADVISE_INVALID) {
8635 fprintf(stderr, "%s: invalid advice type "
8636 "'%s'\n", argv[0], optarg);
8637 fprintf(stderr, "Valid types:");
8639 for (advice_type = 0;
8640 advice_type < ARRAY_SIZE(ladvise_names);
8642 if (ladvise_names[advice_type] == NULL)
8644 fprintf(stderr, " %s",
8645 ladvise_names[advice_type]);
8647 fprintf(stderr, "\n");
8660 rc = llapi_parse_size(optarg, &end,
8663 fprintf(stderr, "%s: bad end offset '%s'\n",
8670 rc = llapi_parse_size(optarg, &start,
8673 fprintf(stderr, "%s: bad start offset "
8674 "'%s'\n", argv[0], optarg);
8680 rc = llapi_parse_size(optarg, &length,
8683 fprintf(stderr, "%s: bad length '%s'\n",
8689 mode = lfs_get_mode(optarg);
8691 fprintf(stderr, "%s: bad mode '%s', valid "
8692 "modes are READ or WRITE\n",
8700 fprintf(stderr, "%s: option '%s' unrecognized\n",
8701 argv[0], argv[optind - 1]);
8706 if (advice_type == LU_LADVISE_INVALID) {
8707 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8708 fprintf(stderr, "Valid types:");
8709 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8711 if (ladvise_names[advice_type] == NULL)
8713 fprintf(stderr, " %s", ladvise_names[advice_type]);
8715 fprintf(stderr, "\n");
8719 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8720 fprintf(stderr, "%s: Lock no expand advice is a per file "
8721 "descriptor advice, so when called from lfs, "
8722 "it does nothing.\n", argv[0]);
8726 if (argc <= optind) {
8727 fprintf(stderr, "%s: please give one or more file names\n",
8732 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8733 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8738 if (end == LUSTRE_EOF && length != 0)
8739 end = start + length;
8742 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8743 argv[0], start, end);
8747 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8748 fprintf(stderr, "%s: mode is only valid with lockahead\n",
8753 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
8754 fprintf(stderr, "%s: mode is required with lockahead\n",
8759 while (optind < argc) {
8762 path = argv[optind++];
8764 fd = open(path, O_RDONLY);
8766 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8767 argv[0], path, strerror(errno));
8772 advice.lla_start = start;
8773 advice.lla_end = end;
8774 advice.lla_advice = advice_type;
8775 advice.lla_value1 = 0;
8776 advice.lla_value2 = 0;
8777 advice.lla_value3 = 0;
8778 advice.lla_value4 = 0;
8779 if (advice_type == LU_LADVISE_LOCKAHEAD) {
8780 advice.lla_lockahead_mode = mode;
8781 advice.lla_peradvice_flags = flags;
8784 rc2 = llapi_ladvise(fd, flags, 1, &advice);
8787 fprintf(stderr, "%s: cannot give advice '%s' to file "
8788 "'%s': %s\n", argv[0],
8789 ladvise_names[advice_type],
8790 path, strerror(errno));
8796 if (rc == 0 && rc2 < 0)
8802 static const char *const heat_names[] = LU_HEAT_NAMES;
8804 static int lfs_heat_get(int argc, char **argv)
8806 struct lu_heat *heat;
8815 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
8817 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8822 while (optind < argc) {
8823 path = argv[optind++];
8825 fd = open(path, O_RDONLY);
8827 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8828 argv[0], path, strerror(errno));
8833 heat->lh_count = OBD_HEAT_COUNT;
8834 rc2 = llapi_heat_get(fd, heat);
8837 fprintf(stderr, "%s: cannot get heat of file '%s'"
8838 ": %s\n", argv[0], path, strerror(errno));
8842 printf("flags: %x\n", heat->lh_flags);
8843 for (i = 0; i < heat->lh_count; i++)
8844 printf("%s: %llu\n", heat_names[i],
8845 (unsigned long long)heat->lh_heat[i]);
8847 if (rc == 0 && rc2 < 0)
8855 static int lfs_heat_set(int argc, char **argv)
8857 struct option long_opts[] = {
8858 { .val = 'c', .name = "clear", .has_arg = no_argument },
8859 { .val = 'o', .name = "off", .has_arg = no_argument },
8860 { .val = 'O', .name = "on", .has_arg = no_argument },
8862 enum lu_heat_flag flags = 0;
8872 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
8875 flags |= LU_HEAT_FLAG_CLEAR;
8878 flags |= LU_HEAT_FLAG_CLEAR;
8879 flags |= LU_HEAT_FLAG_OFF;
8882 flags &= ~LU_HEAT_FLAG_OFF;
8887 fprintf(stderr, "%s: option '%s' unrecognized\n",
8888 argv[0], argv[optind - 1]);
8893 if (argc <= optind) {
8894 fprintf(stderr, "%s: please give one or more file names\n",
8899 while (optind < argc) {
8900 path = argv[optind++];
8902 fd = open(path, O_RDONLY);
8904 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8905 argv[0], path, strerror(errno));
8910 rc2 = llapi_heat_set(fd, flags);
8913 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8914 ": %s\n", argv[0], path, strerror(errno));
8918 if (rc == 0 && rc2 < 0)
8924 /** The input string contains a comma delimited list of component ids and
8925 * ranges, for example "1,2-4,7".
8927 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8929 bool end_of_loop = false;
8937 while (!end_of_loop) {
8941 char *endptr = NULL;
8944 ptr = strchrnul(arg, ',');
8945 end_of_loop = *ptr == '\0';
8948 start_index = strtol(arg, &endptr, 0);
8949 if (endptr == arg) /* no data at all */
8951 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
8953 if (start_index < 0)
8956 end_index = start_index;
8957 if (*endptr == '-') {
8958 end_index = strtol(endptr + 1, &endptr, 0);
8959 if (*endptr != '\0')
8961 if (end_index < start_index)
8965 for (i = start_index; i <= end_index && size > 0; i++) {
8968 /* remove duplicate */
8969 for (j = 0; j < nr; j++) {
8973 if (j == nr) { /* no duplicate */
8979 if (size == 0 && i < end_index)
8986 if (!end_of_loop && ptr != NULL)
8989 return rc < 0 ? rc : nr;
8993 * struct verify_mirror_id - Mirror id to be verified.
8994 * @mirror_id: A specified mirror id.
8995 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
8997 struct verify_mirror_id {
9003 * compare_mirror_ids() - Compare mirror ids.
9004 * @layout: Mirror component list.
9005 * @cbdata: Callback data in verify_mirror_id structure.
9007 * This is a callback function called by llapi_layout_comp_iterate()
9008 * to compare the specified mirror id with the one in the current
9009 * component of @layout. If they are the same, then the specified
9010 * mirror id is valid.
9012 * Return: a negative error code on failure or
9013 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
9014 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
9017 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
9019 struct verify_mirror_id *mirror_id_cbdata =
9020 (struct verify_mirror_id *)cbdata;
9024 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9028 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9029 progname, strerror(errno));
9033 if (mirror_id_cbdata->mirror_id == mirror_id) {
9034 mirror_id_cbdata->is_valid_id = true;
9035 return LLAPI_LAYOUT_ITER_STOP;
9038 return LLAPI_LAYOUT_ITER_CONT;
9042 * verify_mirror_ids() - Verify specified mirror ids.
9043 * @fname: Mirrored file name.
9044 * @mirror_ids: Specified mirror ids to be verified.
9045 * @ids_nr: Number of specified mirror ids.
9047 * This function verifies that specified @mirror_ids are valid
9048 * in the mirrored file @fname.
9050 * Return: 0 on success or a negative error code on failure.
9053 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
9055 struct llapi_layout *layout = NULL;
9056 struct verify_mirror_id mirror_id_cbdata = { 0 };
9067 if (stat(fname, &stbuf) < 0) {
9068 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9069 progname, fname, strerror(errno));
9074 if (!S_ISREG(stbuf.st_mode)) {
9075 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9081 fd = open(fname, O_DIRECT | O_RDONLY);
9083 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9084 progname, fname, strerror(errno));
9089 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9091 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9092 progname, fname, strerror(errno));
9096 layout = llapi_layout_get_by_fd(fd, 0);
9097 if (layout == NULL) {
9098 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9099 progname, fname, strerror(errno));
9101 llapi_lease_release(fd);
9105 rc = llapi_layout_flags_get(layout, &flr_state);
9107 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9108 progname, fname, strerror(errno));
9113 flr_state &= LCM_FL_FLR_MASK;
9114 switch (flr_state) {
9117 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9118 progname, fname, llapi_layout_flags_string(flr_state));
9125 for (i = 0; i < ids_nr; i++) {
9126 mirror_id_cbdata.mirror_id = mirror_ids[i];
9127 mirror_id_cbdata.is_valid_id = false;
9129 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9134 "%s: '%s' failed to verify mirror id: %u.\n",
9135 progname, fname, mirror_ids[i]);
9139 if (!mirror_id_cbdata.is_valid_id) {
9142 "%s: '%s' invalid specified mirror id: %u.\n",
9143 progname, fname, mirror_ids[i]);
9149 llapi_layout_free(layout);
9150 llapi_lease_release(fd);
9158 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9159 __u16 *mirror_ids, int ids_nr)
9161 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9162 struct llapi_layout *layout;
9173 if (stat(fname, &stbuf) < 0) {
9174 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9175 progname, fname, strerror(errno));
9179 if (!S_ISREG(stbuf.st_mode)) {
9180 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9186 fd = open(fname, O_DIRECT | O_RDWR);
9188 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9189 progname, fname, strerror(errno));
9194 layout = llapi_layout_get_by_fd(fd, 0);
9195 if (layout == NULL) {
9196 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9197 progname, fname, strerror(errno));
9202 rc = llapi_layout_flags_get(layout, &flr_state);
9204 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9205 progname, fname, strerror(errno));
9210 flr_state &= LCM_FL_FLR_MASK;
9211 if (flr_state == LCM_FL_NONE) {
9213 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9218 /* get stale component info */
9219 comp_size = llapi_mirror_find_stale(layout, comp_array,
9220 ARRAY_SIZE(comp_array),
9221 mirror_ids, ids_nr);
9222 if (comp_size <= 0) {
9227 ioc->lil_mode = LL_LEASE_WRLCK;
9228 ioc->lil_flags = LL_LEASE_RESYNC;
9229 rc = llapi_lease_set(fd, ioc);
9231 if (rc == -EALREADY)
9235 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9236 progname, fname, strerror(-rc));
9240 /* get the read range [start, end) */
9241 start = comp_array[0].lrc_start;
9242 end = comp_array[0].lrc_end;
9243 for (idx = 1; idx < comp_size; idx++) {
9244 if (comp_array[idx].lrc_start < start)
9245 start = comp_array[idx].lrc_start;
9246 if (end < comp_array[idx].lrc_end)
9247 end = comp_array[idx].lrc_end;
9250 rc = llapi_lease_check(fd);
9251 if (rc != LL_LEASE_WRLCK) {
9252 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9257 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9260 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9261 progname, fname, strerror(-rc));
9263 /* need to do the lease unlock even resync fails */
9264 ioc->lil_mode = LL_LEASE_UNLCK;
9265 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9267 for (idx = 0; idx < comp_size; idx++) {
9268 if (comp_array[idx].lrc_synced) {
9269 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9274 rc2 = llapi_lease_set(fd, ioc);
9276 * llapi_lease_set returns lease mode when it request to unlock
9280 /* rc2 == 0 means lost lease lock */
9281 if (rc2 == 0 && rc == 0)
9283 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9285 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9289 llapi_layout_free(layout);
9296 static inline int lfs_mirror_resync(int argc, char **argv)
9298 struct ll_ioc_lease *ioc = NULL;
9299 __u16 mirror_ids[128] = { 0 };
9304 struct option long_opts[] = {
9305 { .val = 'o', .name = "only", .has_arg = required_argument },
9308 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9311 rc = parse_mirror_ids(mirror_ids,
9312 sizeof(mirror_ids) / sizeof(__u16),
9316 "%s: bad mirror ids '%s'.\n",
9323 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9324 argv[0], argv[optind - 1]);
9330 if (argc == optind) {
9331 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9336 if (ids_nr > 0 && argc > optind + 1) {
9338 "%s: option '--only' cannot be used upon multiple files.\n",
9346 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9351 /* set the lease on the file */
9352 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9354 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9355 argv[0], strerror(errno));
9360 for (; optind < argc; optind++) {
9361 rc = lfs_mirror_resync_file(argv[optind], ioc,
9362 mirror_ids, ids_nr);
9363 /* ignore previous file's error, continue with next file */
9366 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9374 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9376 struct llapi_layout *layout;
9379 layout = llapi_layout_get_by_fd(fd, 0);
9380 if (layout == NULL) {
9381 fprintf(stderr, "could not get layout.\n");
9385 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9387 fprintf(stderr, "failed to iterate layout\n");
9388 llapi_layout_free(layout);
9391 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9392 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9393 llapi_layout_free(layout);
9397 llapi_layout_free(layout);
9403 * Check whether two files are the same file
9404 * \retval 0 same file
9405 * \retval 1 not the same file
9406 * \retval <0 error code
9408 static inline int check_same_file(const char *f1, const char *f2)
9413 if (stat(f1, &stbuf1) < 0) {
9414 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9415 progname, f1, strerror(errno));
9419 if (stat(f2, &stbuf2) < 0) {
9420 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9421 progname, f2, strerror(errno));
9425 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9426 stbuf1.st_ino == stbuf2.st_ino)
9432 static inline int lfs_mirror_read(int argc, char **argv)
9435 __u16 mirror_id = 0;
9436 const char *outfile = NULL;
9442 const size_t buflen = 4 << 20;
9444 struct option long_opts[] = {
9445 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9446 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9449 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9454 mirror_id = strtoul(optarg, &end, 0);
9455 if (*end != '\0' || mirror_id == 0) {
9457 "%s %s: invalid mirror ID '%s'\n",
9458 progname, argv[0], optarg);
9466 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9467 progname, argv[optind - 1]);
9472 if (argc == optind) {
9473 fprintf(stderr, "%s %s: no mirrored file provided\n",
9476 } else if (argc > optind + 1) {
9477 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9481 if (mirror_id == 0) {
9482 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9487 /* open mirror file */
9488 fname = argv[optind];
9491 rc = check_same_file(fname, outfile);
9494 "%s %s: output file cannot be the mirrored file\n",
9502 fd = open(fname, O_DIRECT | O_RDONLY);
9504 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9505 progname, argv[0], fname, strerror(errno));
9509 /* verify mirror id */
9510 rc = verify_mirror_id_by_fd(fd, mirror_id);
9513 "%s %s: cannot find mirror with ID %u in '%s'\n",
9514 progname, argv[0], mirror_id, fname);
9518 /* open output file */
9520 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9522 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9523 progname, argv[0], outfile, strerror(errno));
9528 outfd = STDOUT_FILENO;
9531 /* allocate buffer */
9532 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9534 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9535 progname, argv[0], rc);
9542 ssize_t written = 0;
9544 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9545 if (bytes_read < 0) {
9548 "%s %s: fail to read data from mirror %u: %s\n",
9549 progname, argv[0], mirror_id, strerror(-rc));
9554 if (bytes_read == 0)
9557 while (written < bytes_read) {
9560 written2 = write(outfd, buf + written,
9561 bytes_read - written);
9564 "%s %s: fail to write %s: %s\n",
9565 progname, argv[0], outfile ? : "STDOUT",
9570 written += written2;
9573 if (written != bytes_read) {
9575 "%s %s: written %ld bytes does not match with %ld read.\n",
9576 progname, argv[0], written, bytes_read);
9598 static inline int lfs_mirror_write(int argc, char **argv)
9601 __u16 mirror_id = 0;
9602 const char *inputfile = NULL;
9608 const size_t buflen = 4 << 20;
9610 size_t page_size = sysconf(_SC_PAGESIZE);
9611 struct ll_ioc_lease_id ioc;
9613 struct option long_opts[] = {
9614 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9615 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9618 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9623 mirror_id = strtoul(optarg, &end, 0);
9624 if (*end != '\0' || mirror_id == 0) {
9626 "%s %s: invalid mirror ID '%s'\n",
9627 progname, argv[0], optarg);
9635 fprintf(stderr, "%s: option '%s' unrecognized\n",
9636 progname, argv[optind - 1]);
9641 if (argc == optind) {
9642 fprintf(stderr, "%s %s: no mirrored file provided\n",
9645 } else if (argc > optind + 1) {
9646 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9650 if (mirror_id == 0) {
9651 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9656 /* open mirror file */
9657 fname = argv[optind];
9660 rc = check_same_file(fname, inputfile);
9663 "%s %s: input file cannot be the mirrored file\n",
9671 fd = open(fname, O_DIRECT | O_WRONLY);
9673 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9674 progname, argv[0], fname, strerror(errno));
9678 /* verify mirror id */
9679 rc = verify_mirror_id_by_fd(fd, mirror_id);
9682 "%s %s: cannot find mirror with ID %u in '%s'\n",
9683 progname, argv[0], mirror_id, fname);
9687 /* open input file */
9689 inputfd = open(inputfile, O_RDONLY, 0644);
9691 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9692 progname, argv[0], inputfile, strerror(errno));
9697 inputfd = STDIN_FILENO;
9700 /* allocate buffer */
9701 rc = posix_memalign(&buf, page_size, buflen);
9703 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9704 progname, argv[0], rc);
9708 /* prepare target mirror components instantiation */
9709 ioc.lil_mode = LL_LEASE_WRLCK;
9710 ioc.lil_flags = LL_LEASE_RESYNC;
9711 ioc.lil_mirror_id = mirror_id;
9712 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9715 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9716 progname, argv[0], fname, strerror(errno));
9726 rc = llapi_lease_check(fd);
9727 if (rc != LL_LEASE_WRLCK) {
9728 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9729 progname, argv[0], fname);
9733 bytes_read = read(inputfd, buf, buflen);
9734 if (bytes_read < 0) {
9737 "%s %s: fail to read data from '%s': %s\n",
9738 progname, argv[0], inputfile ? : "STDIN",
9745 if (bytes_read == 0)
9748 /* round up to page align to make direct IO happy. */
9749 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9751 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9756 "%s %s: fail to write to mirror %u: %s\n",
9757 progname, argv[0], mirror_id,
9765 if (pos & (page_size - 1)) {
9766 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9771 ioc.lil_mode = LL_LEASE_UNLCK;
9772 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9774 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9779 "%s %s: release lease lock of '%s' failed: %s\n",
9780 progname, argv[0], fname, strerror(errno));
9797 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9799 struct llapi_layout *layout;
9800 struct collect_ids_data cid = { .cid_ids = ids,
9802 .cid_exclude = exclude_id, };
9805 layout = llapi_layout_get_by_fd(fd, 0);
9806 if (layout == NULL) {
9807 fprintf(stderr, "could not get layout\n");
9811 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9813 fprintf(stderr, "failed to iterate layout\n");
9814 llapi_layout_free(layout);
9818 llapi_layout_free(layout);
9820 return cid.cid_count;
9823 static inline int lfs_mirror_copy(int argc, char **argv)
9826 __u16 read_mirror_id = 0;
9827 __u16 ids[128] = { 0 };
9829 struct llapi_layout *layout = NULL;
9830 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9837 struct ll_ioc_lease *ioc = NULL;
9838 struct ll_ioc_lease_id *resync_ioc;
9840 struct option long_opts[] = {
9841 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9842 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9845 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9850 read_mirror_id = strtoul(optarg, &end, 0);
9851 if (*end != '\0' || read_mirror_id == 0) {
9853 "%s %s: invalid read mirror ID '%s'\n",
9854 progname, argv[0], optarg);
9859 if (!strcmp(optarg, "-1")) {
9860 /* specify all other mirrors */
9864 count = parse_mirror_ids((__u16 *)ids,
9872 fprintf(stderr, "%s: option '%s' unrecognized\n",
9873 progname, argv[optind - 1]);
9878 if (argc == optind) {
9879 fprintf(stderr, "%s %s: no mirrored file provided\n",
9882 } else if (argc > optind + 1) {
9883 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9887 if (read_mirror_id == 0) {
9889 "%s %s: no valid read mirror ID %d is provided\n",
9890 progname, argv[0], read_mirror_id);
9896 "%s %s: no write mirror ID is provided\n",
9901 for (i = 0; i < count; i++) {
9902 if (read_mirror_id == ids[i]) {
9904 "%s %s: read and write mirror ID cannot be the same\n",
9910 /* open mirror file */
9911 fname = argv[optind];
9913 fd = open(fname, O_DIRECT | O_RDWR);
9915 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9916 progname, argv[0], fname, strerror(errno));
9920 /* write to all other mirrors */
9921 if (ids[0] == (__u16)-1) {
9922 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9926 "%s %s: failed to get other mirror ids in '%s': %d\n",
9927 progname, argv[0], fname, rc);
9932 /* verify mirror id */
9933 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9936 "%s %s: cannot find mirror with ID %u in '%s'\n",
9937 progname, argv[0], read_mirror_id, fname);
9941 for (i = 0; i < count; i++) {
9942 rc = verify_mirror_id_by_fd(fd, ids[i]);
9945 "%s %s: cannot find mirror with ID %u in '%s'\n",
9946 progname, argv[0], ids[i], fname);
9951 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9954 "%s %s: cannot alloc comp id array for ioc: %s\n",
9955 progname, argv[0], strerror(errno));
9960 /* get stale component info */
9961 layout = llapi_layout_get_by_fd(fd, 0);
9962 if (layout == NULL) {
9963 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
9964 progname, argv[0], fname, strerror(errno));
9968 comp_size = llapi_mirror_find_stale(layout, comp_array,
9969 ARRAY_SIZE(comp_array),
9971 llapi_layout_free(layout);
9972 if (comp_size < 0) {
9977 /* prepare target mirror components instantiation */
9978 resync_ioc = (struct ll_ioc_lease_id *)ioc;
9979 resync_ioc->lil_mode = LL_LEASE_WRLCK;
9980 resync_ioc->lil_flags = LL_LEASE_RESYNC;
9982 resync_ioc->lil_mirror_id = ids[0];
9984 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
9985 rc = llapi_lease_set(fd, ioc);
9988 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9989 progname, argv[0], fname, strerror(errno));
9993 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
9996 fprintf(stderr, "%s %s: copy error: %d\n",
9997 progname, argv[0], rc);
10001 fprintf(stdout, "mirror copied successfully: ");
10002 for (i = 0; i < copied; i++)
10003 fprintf(stdout, "%d ", ids[i]);
10004 fprintf(stdout, "\n");
10006 ioc->lil_mode = LL_LEASE_UNLCK;
10007 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10008 ioc->lil_count = 0;
10009 for (i = 0; i < comp_size; i++) {
10012 for (j = 0; j < copied; j++) {
10013 if (comp_array[i].lrc_mirror_id != ids[j])
10016 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
10020 rc = llapi_lease_set(fd, ioc);
10025 "%s %s: release lease lock of '%s' failed: %s\n",
10026 progname, argv[0], fname, strerror(errno));
10040 * struct verify_chunk - Mirror chunk to be verified.
10041 * @chunk: [start, end) of the chunk.
10042 * @mirror_count: Number of mirror ids in @mirror_id array.
10043 * @mirror_id: Array of valid mirror ids that cover the chunk.
10045 struct verify_chunk {
10046 struct lu_extent chunk;
10047 unsigned int mirror_count;
10048 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
10052 * print_chunks() - Print chunk information.
10053 * @fname: Mirrored file name.
10054 * @chunks: Array of chunks.
10055 * @chunk_count: Number of chunks in @chunks array.
10057 * This function prints [start, end) of each chunk in @chunks
10058 * for mirrored file @fname, and also prints the valid mirror ids
10059 * that cover the chunk.
10064 void print_chunks(const char *fname, struct verify_chunk *chunks,
10070 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10071 for (i = 0; i < chunk_count; i++) {
10072 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10074 if (chunks[i].mirror_count == 0)
10075 fprintf(stdout, "\t[");
10077 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10078 for (j = 1; j < chunks[i].mirror_count; j++)
10079 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10081 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10083 fprintf(stdout, "\n");
10087 * print_checksums() - Print CRC-32 checksum values.
10088 * @chunk: A chunk and its corresponding valid mirror ids.
10089 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10091 * This function prints CRC-32 checksum values on @chunk for
10092 * each valid mirror that covers it.
10097 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10102 "CRC-32 checksum value for chunk "DEXT":\n",
10103 PEXT(&chunk->chunk));
10104 for (i = 0; i < chunk->mirror_count; i++)
10105 fprintf(stdout, "Mirror %u:\t%#lx\n",
10106 chunk->mirror_id[i], crc[i]);
10107 fprintf(stdout, "\n");
10111 * filter_mirror_id() - Filter specified mirror ids.
10112 * @chunks: Array of chunks.
10113 * @chunk_count: Number of chunks in @chunks array.
10114 * @mirror_ids: Specified mirror ids to be verified.
10115 * @ids_nr: Number of specified mirror ids.
10117 * This function scans valid mirror ids that cover each chunk in @chunks
10118 * and filters specified mirror ids.
10123 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10124 __u16 *mirror_ids, int ids_nr)
10129 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10130 unsigned int valid_count = 0;
10132 for (i = 0; i < chunk_count; i++) {
10133 if (chunks[i].mirror_count == 0)
10137 for (j = 0; j < ids_nr; j++) {
10138 for (k = 0; k < chunks[i].mirror_count; k++) {
10139 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10140 valid_id[valid_count] = mirror_ids[j];
10147 memcpy(chunks[i].mirror_id, valid_id,
10148 sizeof(__u16) * valid_count);
10149 chunks[i].mirror_count = valid_count;
10154 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10155 * @layout: Mirror component list.
10156 * @chunks: Array of chunks.
10157 * @chunks_size: Array size of @chunks.
10159 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10160 * to find out chunk segments and store them in @chunks array.
10162 * The @mirror_id array in each element of @chunks will store the valid
10163 * mirror ids that cover the chunk. If a mirror component covering the
10164 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10165 * will not be stored into the @mirror_id array, and the chunk for that
10166 * mirror will not be verified.
10168 * The @mirror_count in each element of @chunks will store the number of
10169 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10170 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10171 * indicates the chunk is valid in only one mirror. In both cases, the
10172 * chunk will not be verified.
10174 * Here is an example:
10176 * 0 1M 2M 3M 4M EOF
10177 * +------+-------------+--------------------+
10178 * | | | S | mirror1
10179 * +------+------+------+------+-------------+
10180 * | | S | S | | mirror2
10181 * +-------------+------+------+-------------+
10183 * prepared @chunks array will contain 5 elements:
10184 * (([0, 1M), [1, 2], 2),
10185 * ([1M, 2M), [1, 2], 2),
10186 * ([2M, 3M), [1], 1),
10187 * ([3M, 4M], [], 0),
10188 * ([4M, EOF), [2], 1))
10190 * Return: the actual array size of @chunks on success
10191 * or a negative error code on failure.
10194 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10195 struct verify_chunk *chunks,
10196 size_t chunks_size)
10200 uint32_t mirror_id;
10206 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10209 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10212 "%s: move to the first layout component: %s.\n",
10213 progname, strerror(errno));
10219 chunks[idx].chunk.e_end = LUSTRE_EOF;
10221 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10224 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10225 progname, strerror(errno));
10229 if (start > chunks[idx].chunk.e_start ||
10230 end <= chunks[idx].chunk.e_start)
10233 if (end < chunks[idx].chunk.e_end)
10234 chunks[idx].chunk.e_end = end;
10236 rc = llapi_layout_comp_flags_get(layout, &flags);
10239 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10240 progname, strerror(errno));
10244 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10247 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10250 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10251 progname, strerror(errno));
10255 chunks[idx].mirror_id[i] = mirror_id;
10257 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10259 "%s: mirror_id array is too small.\n",
10266 rc = llapi_layout_comp_use(layout,
10267 LLAPI_LAYOUT_COMP_USE_NEXT);
10270 "%s: move to the next layout component: %s.\n",
10271 progname, strerror(errno));
10274 } /* loop through all components */
10276 chunks[idx].mirror_count = i;
10278 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10282 if (idx >= chunks_size) {
10283 fprintf(stderr, "%s: chunks array is too small.\n",
10289 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10293 return rc < 0 ? rc : idx + 1;
10297 * lfs_mirror_verify_chunk() - Verify a chunk.
10298 * @fd: File descriptor of the mirrored file.
10299 * @file_size: Size of the mirrored file.
10300 * @chunk: A chunk and its corresponding valid mirror ids.
10301 * @verbose: Verbose mode.
10303 * This function verifies a @chunk contains exactly the same data
10304 * ammong the mirrors that cover it.
10306 * If @verbose is specified, then the function will print where the
10307 * differences are if the data do not match. Otherwise, it will
10308 * just return an error in that case.
10310 * Return: 0 on success or a negative error code on failure.
10313 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10314 struct verify_chunk *chunk, int verbose)
10316 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10318 size_t page_size = sysconf(_SC_PAGESIZE);
10319 ssize_t bytes_read;
10320 ssize_t bytes_done;
10324 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10328 if (file_size == 0)
10331 rc = posix_memalign(&buf, page_size, buflen);
10332 if (rc) /* error code is returned directly */
10336 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10337 PEXT(&chunk->chunk));
10338 for (i = 0; i < chunk->mirror_count; i++)
10339 fprintf(stdout, " %u", chunk->mirror_id[i]);
10340 fprintf(stdout, "\n");
10344 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10345 pos = chunk->chunk.e_start;
10346 while (bytes_done < count) {
10347 /* compute initial CRC-32 checksum */
10348 crc = crc32(0L, Z_NULL, 0);
10349 memset(crc_array, 0, sizeof(crc_array));
10352 for (i = 0; i < chunk->mirror_count; i++) {
10353 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10355 if (bytes_read < 0) {
10358 "%s: failed to read data from mirror %u: %s.\n",
10359 progname, chunk->mirror_id[i],
10364 /* compute new CRC-32 checksum */
10365 crc_array[i] = crc32(crc, buf, bytes_read);
10369 print_checksums(chunk, crc_array);
10371 /* compare CRC-32 checksum values */
10372 for (i = 1; i < chunk->mirror_count; i++) {
10373 if (crc_array[i] != crc_array[0]) {
10377 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10378 progname, PEXT(&chunk->chunk),
10379 chunk->mirror_id[0],
10380 chunk->mirror_id[i]);
10385 bytes_done += bytes_read;
10388 if (verbose > 1 && rc == 0) {
10389 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10390 PEXT(&chunk->chunk));
10391 for (i = 0; i < chunk->mirror_count; i++)
10392 fprintf(stdout, " %u", chunk->mirror_id[i]);
10393 fprintf(stdout, " PASS\n\n");
10402 * lfs_mirror_verify_file() - Verify a mirrored file.
10403 * @fname: Mirrored file name.
10404 * @mirror_ids: Specified mirror ids to be verified.
10405 * @ids_nr: Number of specified mirror ids.
10406 * @verbose: Verbose mode.
10408 * This function verifies that each SYNC mirror of a mirrored file
10409 * specified by @fname contains exactly the same data.
10411 * If @mirror_ids is specified, then the function will verify the
10412 * mirrors specified by @mirror_ids contain exactly the same data.
10414 * If @verbose is specified, then the function will print where the
10415 * differences are if the data do not match. Otherwise, it will
10416 * just return an error in that case.
10418 * Return: 0 on success or a negative error code on failure.
10421 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10424 struct verify_chunk chunks_array[1024] = { };
10425 struct llapi_layout *layout = NULL;
10427 uint32_t flr_state;
10429 int chunk_count = 0;
10435 if (stat(fname, &stbuf) < 0) {
10436 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10437 progname, fname, strerror(errno));
10442 if (!S_ISREG(stbuf.st_mode)) {
10443 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10449 if (stbuf.st_size == 0) {
10451 fprintf(stdout, "%s: '%s' file size is 0.\n",
10457 fd = open(fname, O_DIRECT | O_RDONLY);
10459 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10460 progname, fname, strerror(errno));
10465 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10467 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10468 progname, fname, strerror(errno));
10472 layout = llapi_layout_get_by_fd(fd, 0);
10473 if (layout == NULL) {
10474 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10475 progname, fname, strerror(errno));
10477 llapi_lease_release(fd);
10481 rc = llapi_layout_flags_get(layout, &flr_state);
10483 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10484 progname, fname, strerror(errno));
10489 flr_state &= LCM_FL_FLR_MASK;
10490 switch (flr_state) {
10493 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10494 progname, fname, llapi_layout_flags_string(flr_state));
10500 /* find out mirror chunks to be verified */
10501 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10502 ARRAY_SIZE(chunks_array));
10503 if (chunk_count < 0) {
10509 /* filter specified mirror ids */
10510 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10513 print_chunks(fname, chunks_array, chunk_count);
10515 for (idx = 0; idx < chunk_count; idx++) {
10516 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10519 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10521 PEXT(&chunks_array[idx].chunk),
10522 (unsigned long long)stbuf.st_size);
10526 if (chunks_array[idx].mirror_count == 0) {
10528 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10530 PEXT(&chunks_array[idx].chunk));
10532 fprintf(stderr, "skipped\n");
10536 fprintf(stderr, "failed\n");
10540 if (chunks_array[idx].mirror_count == 1) {
10543 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10545 PEXT(&chunks_array[idx].chunk),
10546 chunks_array[idx].mirror_id[0]);
10550 rc = llapi_lease_check(fd);
10551 if (rc != LL_LEASE_RDLCK) {
10552 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10557 /* verify one chunk */
10558 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10559 &chunks_array[idx], verbose);
10573 llapi_layout_free(layout);
10574 llapi_lease_release(fd);
10582 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10583 * @argc: The count of lfs mirror verify command line arguments.
10584 * @argv: Array of strings for lfs mirror verify command line arguments.
10586 * This function parses lfs mirror verify command and verifies the
10587 * specified mirrored file(s).
10589 * Return: 0 on success or a negative error code on failure.
10591 static inline int lfs_mirror_verify(int argc, char **argv)
10593 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10599 char cmd[PATH_MAX];
10601 struct option long_opts[] = {
10602 { .val = 'o', .name = "only", .has_arg = required_argument },
10603 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10604 { .name = NULL } };
10606 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10608 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10611 rc = parse_mirror_ids(mirror_ids,
10612 ARRAY_SIZE(mirror_ids),
10616 "%s: bad mirror ids '%s'.\n",
10623 "%s: at least 2 mirror ids needed with '--only' option.\n",
10633 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10634 progname, argv[optind - 1]);
10640 if (argc == optind) {
10641 fprintf(stderr, "%s: no file name given.\n", progname);
10646 if (ids_nr > 0 && argc > optind + 1) {
10648 "%s: '--only' cannot be used upon multiple files.\n",
10656 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10662 for (; optind < argc; optind++) {
10663 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10673 * lfs_mirror() - Parse and execute lfs mirror commands.
10674 * @argc: The count of lfs mirror command line arguments.
10675 * @argv: Array of strings for lfs mirror command line arguments.
10677 * This function parses lfs mirror commands and performs the
10678 * corresponding functions specified in mirror_cmdlist[].
10680 * Return: 0 on success or an error code on failure.
10682 static int lfs_mirror(int argc, char **argv)
10684 char cmd[PATH_MAX];
10687 setlinebuf(stdout);
10689 Parser_init("lfs-mirror > ", mirror_cmdlist);
10691 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10693 program_invocation_short_name = cmd;
10695 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10697 rc = Parser_commands();
10699 return rc < 0 ? -rc : rc;
10702 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10704 #if __BYTE_ORDER == __BIG_ENDIAN
10705 __swab16s(&attrs->lsa_valid);
10706 __swab64s(&attrs->lsa_size);
10707 __swab64s(&attrs->lsa_blocks);
10711 enum lfs_som_type {
10712 LFS_SOM_SIZE = 0x1,
10713 LFS_SOM_BLOCKS = 0x2,
10714 LFS_SOM_FLAGS = 0x4,
10715 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10719 static int lfs_getsom(int argc, char **argv)
10722 struct lustre_som_attrs *attrs;
10723 char buf[sizeof(*attrs) + 64];
10724 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10727 while ((c = getopt(argc, argv, "sbf")) != -1) {
10730 type = LFS_SOM_SIZE;
10733 type = LFS_SOM_BLOCKS;
10736 type = LFS_SOM_FLAGS;
10739 fprintf(stderr, "%s: invalid option '%c'\n",
10749 fprintf(stderr, "%s: %s\n",
10750 progname, argc == 0 ? "miss file target" :
10751 "input more than 2 files");
10756 attrs = (void *)buf;
10757 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10760 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10761 argv[0], strerror(errno), errno);
10765 lustre_som_swab(attrs);
10768 case LFS_SOM_ATTR_ALL:
10769 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10770 path, (unsigned long long)attrs->lsa_size,
10771 (unsigned long long)attrs->lsa_blocks,
10775 printf("%llu\n", (unsigned long long)attrs->lsa_size);
10777 case LFS_SOM_BLOCKS:
10778 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
10780 case LFS_SOM_FLAGS:
10781 printf("%x\n", attrs->lsa_valid);
10784 fprintf(stderr, "%s: unknown option\n", progname);
10792 * lfs_mirror_list_commands() - List lfs mirror commands.
10793 * @argc: The count of command line arguments.
10794 * @argv: Array of strings for command line arguments.
10796 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10798 * Return: 0 on success.
10800 static int lfs_mirror_list_commands(int argc, char **argv)
10802 char buffer[81] = "";
10804 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10810 static int lfs_pcc_attach(int argc, char **argv)
10812 struct option long_opts[] = {
10813 { .val = 'i', .name = "id", .has_arg = required_argument },
10814 { .name = NULL } };
10817 __u32 archive_id = 0;
10820 char fullpath[PATH_MAX];
10821 enum lu_pcc_type type = LU_PCC_READWRITE;
10824 while ((c = getopt_long(argc, argv, "i:",
10825 long_opts, NULL)) != -1) {
10828 archive_id = strtoul(optarg, &end, 0);
10829 if (*end != '\0' || archive_id == 0) {
10830 fprintf(stderr, "error: %s: bad archive ID "
10831 "'%s'\n", argv[0], optarg);
10838 fprintf(stderr, "%s: option '%s' unrecognized\n",
10839 argv[0], argv[optind - 1]);
10844 if (argc <= optind) {
10845 fprintf(stderr, "%s: must specify one or more file names\n",
10850 while (optind < argc) {
10853 path = argv[optind++];
10854 if (realpath(path, fullpath) == NULL) {
10855 fprintf(stderr, "%s: could not find path '%s': %s\n",
10856 argv[0], path, strerror(errno));
10862 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
10864 fprintf(stderr, "%s: cannot attach '%s' to PCC "
10865 "with archive ID '%u': %s\n", argv[0],
10866 path, archive_id, strerror(-rc2));
10874 static int lfs_pcc_attach_fid(int argc, char **argv)
10876 struct option long_opts[] = {
10877 { .val = 'i', .name = "id", .has_arg = required_argument },
10878 { .val = 'm', .name = "mnt", .has_arg = required_argument },
10879 { .name = NULL } };
10880 char short_opts[] = "i:m:";
10883 __u32 archive_id = 0;
10885 const char *mntpath = NULL;
10886 const char *fidstr;
10887 enum lu_pcc_type type = LU_PCC_READWRITE;
10890 while ((c = getopt_long(argc, argv, short_opts,
10891 long_opts, NULL)) != -1) {
10894 archive_id = strtoul(optarg, &end, 0);
10895 if (*end != '\0') {
10896 fprintf(stderr, "error: %s: bad archive ID "
10897 "'%s'\n", argv[0], optarg);
10907 fprintf(stderr, "%s: option '%s' unrecognized\n",
10908 argv[0], argv[optind - 1]);
10913 if (archive_id == 0) {
10914 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
10918 if (mntpath == NULL) {
10919 fprintf(stderr, "%s: must specify Lustre mount point\n",
10924 if (argc <= optind) {
10925 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
10929 while (optind < argc) {
10932 fidstr = argv[optind++];
10934 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
10937 fprintf(stderr, "%s: cannot attach '%s' on '%s' to PCC "
10938 "with archive ID '%u': %s\n", argv[0],
10939 fidstr, mntpath, archive_id, strerror(rc2));
10941 if (rc == 0 && rc2 < 0)
10947 static int lfs_pcc_detach(int argc, char **argv)
10949 struct option long_opts[] = {
10950 { .val = 'k', .name = "keep", .has_arg = no_argument },
10951 { .name = NULL } };
10952 char short_opts[] = "k";
10956 char fullpath[PATH_MAX];
10957 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
10960 while ((c = getopt_long(argc, argv, short_opts,
10961 long_opts, NULL)) != -1) {
10964 detach_opt = PCC_DETACH_OPT_NONE;
10969 fprintf(stderr, "%s: option '%s' unrecognized\n",
10970 argv[0], argv[optind - 1]);
10975 while (optind < argc) {
10978 path = argv[optind++];
10979 if (realpath(path, fullpath) == NULL) {
10980 fprintf(stderr, "%s: could not find path '%s': %s\n",
10981 argv[0], path, strerror(errno));
10987 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
10990 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
10991 "%s\n", argv[0], path, strerror(errno));
10999 static int lfs_pcc_detach_fid(int argc, char **argv)
11001 struct option long_opts[] = {
11002 { .val = 'k', .name = "keep", .has_arg = no_argument },
11003 { .name = NULL } };
11004 char short_opts[] = "k";
11008 const char *mntpath;
11009 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11012 while ((c = getopt_long(argc, argv, short_opts,
11013 long_opts, NULL)) != -1) {
11016 detach_opt = PCC_DETACH_OPT_NONE;
11021 fprintf(stderr, "%s: option '%s' unrecognized\n",
11022 argv[0], argv[optind - 1]);
11027 mntpath = argv[optind++];
11029 while (optind < argc) {
11032 fid = argv[optind++];
11034 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
11036 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
11037 "from PCC: %s\n", argv[0], fid, mntpath,
11046 static int lfs_pcc_state(int argc, char **argv)
11050 char fullpath[PATH_MAX];
11051 struct lu_pcc_state state;
11056 fprintf(stderr, "%s: must specify one or more file names\n",
11061 while (optind < argc) {
11064 path = argv[optind++];
11065 if (realpath(path, fullpath) == NULL) {
11066 fprintf(stderr, "%s: could not find path '%s': %s\n",
11067 argv[0], path, strerror(errno));
11073 rc2 = llapi_pcc_state_get(fullpath, &state);
11077 fprintf(stderr, "%s: cannot get PCC state of '%s': "
11078 "%s\n", argv[0], path, strerror(-rc2));
11082 printf("file: %s", path);
11083 printf(", type: %s", pcc_type2string(state.pccs_type));
11084 if (state.pccs_type == LU_PCC_NONE &&
11085 state.pccs_open_count == 0) {
11090 printf(", PCC file: %s", state.pccs_path);
11091 printf(", user number: %u", state.pccs_open_count);
11092 printf(", flags: %x", state.pccs_flags);
11099 * lfs_pcc_list_commands() - List lfs pcc commands.
11100 * @argc: The count of command line arguments.
11101 * @argv: Array of strings for command line arguments.
11103 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11105 * Return: 0 on success.
11107 static int lfs_pcc_list_commands(int argc, char **argv)
11109 char buffer[81] = "";
11111 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11118 * lfs_pcc() - Parse and execute lfs pcc commands.
11119 * @argc: The count of lfs pcc command line arguments.
11120 * @argv: Array of strings for lfs pcc command line arguments.
11122 * This function parses lfs pcc commands and performs the
11123 * corresponding functions specified in pcc_cmdlist[].
11125 * Return: 0 on success or an error code on failure.
11127 static int lfs_pcc(int argc, char **argv)
11129 char cmd[PATH_MAX];
11132 setlinebuf(stdout);
11134 Parser_init("lfs-pcc > ", pcc_cmdlist);
11136 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11138 program_invocation_short_name = cmd;
11140 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11142 rc = Parser_commands();
11144 return rc < 0 ? -rc : rc;
11147 static int lfs_list_commands(int argc, char **argv)
11149 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11151 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11156 int main(int argc, char **argv)
11160 /* Ensure that liblustreapi constructor has run */
11161 if (!llapi_liblustreapi_initialized())
11162 fprintf(stderr, "liblustreapi was not properly initialized\n");
11164 setlinebuf(stdout);
11167 Parser_init("lfs > ", cmdlist);
11169 progname = program_invocation_short_name; /* Used in error messages */
11171 llapi_set_command_name(argv[1]);
11172 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11173 llapi_clear_command_name();
11175 rc = Parser_commands();
11178 return rc < 0 ? -rc : rc;
11181 #ifdef _LUSTRE_IDL_H_
11182 /* Everything we need here should be included by lustreapi.h. */
11183 # error "lfs should not depend on lustre_idl.h"
11184 #endif /* _LUSTRE_IDL_H_ */