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 { .val = 'L', .name = "layout", .has_arg = required_argument },
3082 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3083 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3084 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3085 /* --non-block is only valid in migrate mode */
3086 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3087 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3088 { .val = 'o', .name = "ost", .has_arg = required_argument },
3089 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3090 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3091 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3093 { .val = 'p', .name = "pool", .has_arg = required_argument },
3094 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3095 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3096 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3097 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3098 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3099 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3100 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3101 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3102 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3103 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3104 /* --verbose is only valid in migrate mode */
3105 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3106 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3107 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3108 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3109 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3112 setstripe_args_init(&lsa);
3114 migrate_mode = (opc == SO_MIGRATE);
3115 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3116 setstripe_mode = (opc == SO_SETSTRIPE);
3118 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3120 while ((c = getopt_long(argc, argv,
3121 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3122 long_opts, NULL)) >= 0) {
3128 case LFS_COMP_ADD_OPT:
3131 case LFS_COMP_DEL_OPT:
3134 case LFS_COMP_FLAGS_OPT:
3135 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3136 &lsa.lsa_comp_neg_flags);
3139 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3140 fprintf(stderr, "%s: inverted flags are not supported\n",
3145 case LFS_COMP_SET_OPT:
3148 case LFS_COMP_NO_VERIFY_OPT:
3149 mirror_flags |= MF_NO_VERIFY;
3151 case LFS_MIRROR_ID_OPT:
3152 mirror_id = strtoul(optarg, &end, 0);
3153 if (*end != '\0' || mirror_id == 0) {
3155 "%s %s: invalid mirror ID '%s'\n",
3156 progname, argv[0], optarg);
3160 case LFS_LAYOUT_FLAGS_OPT: {
3163 /* check for numeric flags (foreign and mirror cases) */
3164 if (setstripe_mode && !mirror_mode && !last_mirror) {
3165 flags = strtoul(optarg, &end, 16);
3168 "%s %s: bad flags '%s'\n",
3169 progname, argv[0], optarg);
3175 if (!mirror_mode || !last_mirror) {
3176 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
3181 result = comp_str2flags(optarg, &last_mirror->m_flags,
3187 fprintf(stderr, "%s: inverted flags are not supported\n",
3192 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3194 "%s: unsupported mirror flags: %s\n",
3201 case LFS_LAYOUT_FOREIGN_OPT:
3202 if (optarg != NULL) {
3203 /* check pure numeric */
3204 type = strtoul(optarg, &end, 0);
3207 type = check_foreign_type_name(optarg);
3208 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3210 "%s %s: unrecognized foreign type '%s'\n",
3217 foreign_mode = true;
3221 if (mode_opt != NULL) {
3222 mode = strtoul(mode_opt, &end, 8);
3225 "%s %s: bad mode '%s'\n",
3226 progname, argv[0], mode_opt);
3229 previous_umask = umask(0);
3232 case LFS_LAYOUT_COPY:
3237 if (!migrate_mode) {
3239 "%s %s: -b|--block valid only for migrate command\n",
3243 migration_block = true;
3246 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3249 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3252 "%s %s: invalid stripe count '%s'\n",
3253 progname, argv[0], optarg);
3257 if (lsa.lsa_stripe_count == -1)
3258 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3261 /* delete the default striping pattern */
3263 if (opc == SO_MIRROR_SPLIT) {
3266 "%s %s: -d cannot used with -f\n",
3270 mirror_flags |= MF_DESTROY;
3274 if (!migrate_mode) {
3276 "%s %s: -D|--non-direct is valid "
3277 "only for migrate command\n",
3281 migration_flags |= MIGRATION_NONDIRECT;
3284 if (lsa.lsa_comp_end != 0) {
3285 result = comp_args_to_layout(lpp, &lsa, true);
3287 fprintf(stderr, "%s: invalid layout\n",
3292 setstripe_args_init_inherit(&lsa);
3295 if (arg_is_eof(optarg)) {
3296 lsa.lsa_comp_end = LUSTRE_EOF;
3298 result = llapi_parse_size(optarg,
3303 "%s %s: invalid component end '%s'\n",
3304 progname, argv[0], optarg);
3310 if (!migrate_mode) {
3311 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3315 lsa.lsa_pattern = check_hashtype(optarg);
3316 if (lsa.lsa_pattern == 0) {
3318 "%s %s: bad stripe hash type '%s'\n",
3319 progname, argv[0], optarg);
3324 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3327 "%s %s: invalid stripe offset '%s'\n",
3328 progname, argv[0], optarg);
3331 if (lsa.lsa_stripe_off == -1)
3332 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3335 comp_id = strtoul(optarg, &end, 0);
3336 if (*end != '\0' || comp_id == 0 ||
3337 comp_id > LCME_ID_MAX) {
3339 "%s %s: invalid component ID '%s'\n",
3340 progname, argv[0], optarg);
3345 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3347 "error: %s: invalid option: %s\n",
3348 progname, argv[optopt + 1]);
3351 if (opc == SO_MIRROR_EXTEND) {
3352 if (last_mirror == NULL) {
3354 "error: %s: '-N' must exist in front of '%s'\n",
3355 progname, argv[optopt + 1]);
3358 last_mirror->m_file = optarg;
3359 last_mirror->m_count = 1;
3362 if (mirror_list == NULL)
3363 mirror_list = lfs_mirror_alloc();
3364 mirror_list->m_file = optarg;
3369 if (strcmp(argv[optind - 1], "mdt") == 0) {
3370 /* Can be only the first component */
3371 if (layout != NULL) {
3373 fprintf(stderr, "error: 'mdt' layout "
3374 "can be only the first one\n");
3377 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3379 fprintf(stderr, "error: 'mdt' layout "
3380 "size is too big\n");
3383 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3384 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3386 fprintf(stderr, "error: layout '%s' is "
3387 "unknown, supported layouts are: "
3388 "'mdt', 'raid0'\n", argv[optind]);
3393 if (!migrate_mode) {
3395 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3399 migrate_mdt_mode = true;
3400 lsa.lsa_nr_tgts = parse_targets(tgts,
3401 sizeof(tgts) / sizeof(__u32),
3402 lsa.lsa_nr_tgts, optarg, NULL);
3403 if (lsa.lsa_nr_tgts < 0) {
3405 "%s %s: invalid MDT target(s) '%s'\n",
3406 progname, argv[0], optarg);
3410 lsa.lsa_tgts = tgts;
3411 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3412 lsa.lsa_stripe_off = tgts[0];
3415 if (!migrate_mode) {
3417 "%s %s: -n|--non-block valid only for migrate command\n",
3421 migration_flags |= MIGRATION_NONBLOCK;
3424 if (opc == SO_SETSTRIPE) {
3425 opc = SO_MIRROR_CREATE;
3429 if (optarg != NULL) {
3430 mirror_count = strtoul(optarg, &end, 0);
3431 if (*end != '\0' || mirror_count == 0) {
3433 "error: %s: bad mirror count: %s\n",
3440 new_mirror = lfs_mirror_alloc();
3441 new_mirror->m_count = mirror_count;
3443 if (mirror_list == NULL)
3444 mirror_list = new_mirror;
3446 if (last_mirror != NULL) {
3447 /* wrap up last mirror */
3448 if (lsa.lsa_comp_end == 0)
3449 lsa.lsa_comp_end = LUSTRE_EOF;
3451 result = comp_args_to_layout(lpp, &lsa, true);
3453 lfs_mirror_free(new_mirror);
3457 setstripe_args_init_inherit(&lsa);
3459 last_mirror->m_next = new_mirror;
3462 last_mirror = new_mirror;
3463 lpp = &last_mirror->m_layout;
3466 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3467 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3468 fprintf(stderr, "warning: '--ost-list' is "
3469 "deprecated, use '--ost' instead\n");
3471 /* -o allows overstriping, and must note it because
3472 * parse_targets is shared with MDT striping, which
3473 * does not allow duplicates
3475 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3476 lsa.lsa_nr_tgts = parse_targets(tgts,
3477 sizeof(tgts) / sizeof(__u32),
3478 lsa.lsa_nr_tgts, optarg,
3480 if (lsa.lsa_nr_tgts < 0) {
3482 "%s %s: invalid OST target(s) '%s'\n",
3483 progname, argv[0], optarg);
3487 lsa.lsa_tgts = tgts;
3488 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3489 lsa.lsa_stripe_off = tgts[0];
3494 lsa.lsa_pool_name = optarg;
3496 if (strlen(lsa.lsa_pool_name) == 0 ||
3497 strncmp(lsa.lsa_pool_name, "none",
3498 LOV_MAXPOOLNAME) == 0)
3499 lsa.lsa_pool_name = NULL;
3502 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3506 "%s %s: invalid stripe size '%s'\n",
3507 progname, argv[0], optarg);
3512 if (!migrate_mode) {
3514 "%s %s: -v|--verbose valid only for migrate command\n",
3518 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3519 migration_flags = MIGRATION_VERBOSE;
3529 result = llapi_parse_size(optarg,
3530 &lsa.lsa_extension_size,
3534 "%s %s: invalid extension size '%s'\n",
3535 progname, argv[0], optarg);
3539 lsa.lsa_extension_comp = true;
3542 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3543 progname, argv[0], argv[optind - 1]);
3548 fname = argv[optind];
3550 if (optind == argc) {
3551 fprintf(stderr, "%s %s: FILE must be specified\n",
3556 if (xattr && !foreign_mode) {
3557 /* only print a warning as this is harmless and will be ignored
3560 "%s %s: xattr has been specified for non-foreign layout\n",
3562 } else if (foreign_mode && !xattr) {
3564 "%s %s: xattr must be provided in foreign mode\n",
3569 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3570 comp_set || comp_id || delete || from_copy ||
3571 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3574 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3579 if (mirror_mode && mirror_count == 0) {
3581 "error: %s: --mirror-count|-N option is required\n",
3588 if (lsa.lsa_comp_end == 0)
3589 lsa.lsa_comp_end = LUSTRE_EOF;
3592 if (lsa.lsa_comp_end != 0) {
3593 result = comp_args_to_layout(lpp, &lsa, true);
3595 fprintf(stderr, "error: %s: invalid layout\n",
3602 if (mirror_flags & MF_NO_VERIFY) {
3603 if (opc != SO_MIRROR_EXTEND) {
3605 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3609 } else if (!has_m_file) {
3611 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3618 if (comp_set && !comp_id) {
3619 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3624 if ((delete + comp_set + comp_del + comp_add) > 1) {
3626 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3631 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3632 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3634 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3639 if ((comp_set || comp_del) &&
3640 (setstripe_args_specified(&lsa) || layout != NULL)) {
3642 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3647 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3649 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3654 if (comp_add || comp_del) {
3657 result = lstat(fname, &st);
3658 if (result == 0 && S_ISDIR(st.st_mode)) {
3660 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3666 fprintf(stderr, "error: %s: can't use --component-add "
3667 "or --component-del for mirror operation\n",
3674 if (layout == NULL) {
3676 "%s %s: option -E must be specified with --component-add\n",
3682 if (layout != NULL || mirror_list != NULL) {
3684 result = mirror_adjust_first_extents(mirror_list);
3686 result = layout_adjust_first_extent(fname, layout,
3688 if (result == -ENODATA)
3690 else if (result != 0) {
3691 fprintf(stderr, "error: %s: invalid layout\n",
3697 if (from_yaml && from_copy) {
3699 "%s: can't specify --yaml and --copy together\n",
3704 if ((from_yaml || from_copy) &&
3705 (setstripe_args_specified(&lsa) || layout != NULL)) {
3706 fprintf(stderr, "error: %s: can't specify --yaml with "
3707 "-c, -S, -i, -o, -p or -E options.\n",
3712 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3714 "%s %s: options --non-block and --block are mutually exclusive\n",
3719 if (!comp_del && !comp_set && (opc != SO_MIRROR_SPLIT) &&
3722 "%s %s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3727 if (migrate_mdt_mode) {
3728 struct lmv_user_md *lmu;
3730 /* initialize migrate mdt parameters */
3731 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3732 LMV_USER_MAGIC_SPECIFIC));
3735 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3736 progname, argv[0], strerror(ENOMEM));
3740 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3741 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3742 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3744 "%s %s: migrate should specify MDT index\n",
3749 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3750 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3751 lmu->lum_hash_type = lsa.lsa_pattern;
3753 lmu->lum_hash_type = LMV_HASH_TYPE_DEFAULT;
3754 if (lsa.lsa_pool_name) {
3755 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3756 sizeof(lmu->lum_pool_name) - 1);
3757 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3759 if (lsa.lsa_nr_tgts > 1) {
3762 if (lsa.lsa_stripe_count > 0 &&
3763 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3764 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3766 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3768 (long long)lsa.lsa_stripe_count,
3774 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3775 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3776 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3777 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3779 lmu->lum_magic = LMV_USER_MAGIC;
3782 migrate_mdt_param.fp_lmv_md = lmu;
3783 migrate_mdt_param.fp_migrate = 1;
3784 } else if (layout == NULL) {
3785 /* initialize stripe parameters */
3786 param = calloc(1, offsetof(typeof(*param),
3787 lsp_osts[lsa.lsa_nr_tgts]));
3788 if (param == NULL) {
3790 "%s %s: cannot allocate memory for parameters: %s\n",
3791 progname, argv[0], strerror(ENOMEM));
3796 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3797 param->lsp_stripe_size = lsa.lsa_stripe_size;
3798 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3799 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3800 param->lsp_stripe_count = -1;
3802 param->lsp_stripe_count = lsa.lsa_stripe_count;
3804 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3805 param->lsp_stripe_offset = -1;
3807 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3808 param->lsp_stripe_pattern =
3809 llapi_pattern_to_lov(lsa.lsa_pattern);
3810 if (param->lsp_stripe_pattern == EINVAL) {
3811 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3816 param->lsp_pool = lsa.lsa_pool_name;
3817 param->lsp_is_specific = false;
3818 if (lsa.lsa_nr_tgts > 0) {
3819 if (lsa.lsa_stripe_count > 0 &&
3820 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3821 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3822 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3824 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3826 (long long)lsa.lsa_stripe_count,
3832 param->lsp_is_specific = true;
3833 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3834 memcpy(param->lsp_osts, tgts,
3835 sizeof(*tgts) * lsa.lsa_nr_tgts);
3840 /* generate a layout from a YAML template */
3841 result = lfs_comp_create_from_yaml(template, &layout,
3844 fprintf(stderr, "error: %s: can't create composite "
3845 "layout from template file %s\n",
3849 } else if (from_copy) {
3850 layout = llapi_layout_get_by_path(template, 0);
3851 if (layout == NULL) {
3853 "%s: can't create composite layout from file %s.\n",
3854 progname, template);
3859 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3860 if (migrate_mdt_mode) {
3861 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3862 } else if (migrate_mode) {
3863 result = lfs_migrate(fname, migration_flags, param,
3865 } else if (comp_set != 0) {
3866 result = lfs_component_set(fname, comp_id,
3868 lsa.lsa_comp_neg_flags);
3869 } else if (comp_del != 0) {
3870 result = lfs_component_del(fname, comp_id,
3872 lsa.lsa_comp_neg_flags);
3873 } else if (comp_add != 0) {
3874 result = lfs_component_add(fname, layout);
3875 } else if (opc == SO_MIRROR_CREATE) {
3876 result = mirror_create(fname, mirror_list);
3877 } else if (opc == SO_MIRROR_EXTEND) {
3878 result = mirror_extend(fname, mirror_list,
3880 } else if (opc == SO_MIRROR_SPLIT) {
3881 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
3883 "%s %s: no mirror id or component id or pool name"
3884 " is specified\n", progname, argv[0]);
3887 if (lsa.lsa_pool_name)
3888 mirror_flags |= MF_COMP_POOL;
3889 else if (mirror_id != 0)
3890 comp_id = mirror_id;
3892 mirror_flags |= MF_COMP_ID;
3893 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
3895 has_m_file ? mirror_list->m_file :
3897 } else if (layout != NULL) {
3898 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3904 } else if (foreign_mode) {
3905 result = llapi_file_create_foreign(fname, mode, type,
3912 result = llapi_file_open_param(fname,
3921 /* Save the first error encountered. */
3928 if (mode_opt != NULL)
3929 umask(previous_umask);
3932 free(migrate_mdt_param.fp_lmv_md);
3933 llapi_layout_free(layout);
3934 lfs_mirror_list_free(mirror_list);
3939 llapi_layout_free(layout);
3940 lfs_mirror_list_free(mirror_list);
3944 static int lfs_poollist(int argc, char **argv)
3949 return llapi_poollist(argv[1]);
3952 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3957 char *endptr = "AD";
3962 else if (str[0] == '-')
3968 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
3969 long long val = strtoll(timebuf, &endptr, 0);
3974 unit *= 52; /* 52 weeks + 1 day below */
3975 case 'w': /* fallthrough */
3977 case '\0': /* days are default unit if none used */
3978 case 'd': /* fallthrough */
3979 unit = (unit + (*endptr == 'y')) * 24;
3980 case 'h': /* fallthrough */
3982 case 'm': /* fallthrough */
3984 case 's': /* fallthrough */
3986 /* don't need to multiply by 1 for seconds */
3989 "%s find: bad time string '%s': %s\n",
3990 progname, timebuf, strerror(EINVAL));
3994 if (param->fp_time_margin == 0 ||
3995 (*endptr && unit < param->fp_time_margin))
3996 param->fp_time_margin = unit;
4003 fprintf(stderr, "%s find: bad time '%s': too large\n",
4013 static int name2uid(unsigned int *id, const char *name)
4015 struct passwd *passwd;
4017 passwd = getpwnam(name);
4020 *id = passwd->pw_uid;
4025 static int name2gid(unsigned int *id, const char *name)
4027 struct group *group;
4029 group = getgrnam(name);
4032 *id = group->gr_gid;
4037 static inline int name2projid(unsigned int *id, const char *name)
4042 static int uid2name(char **name, unsigned int id)
4044 struct passwd *passwd;
4046 passwd = getpwuid(id);
4049 *name = passwd->pw_name;
4054 static inline int gid2name(char **name, unsigned int id)
4056 struct group *group;
4058 group = getgrgid(id);
4061 *name = group->gr_name;
4066 static int name2layout(__u32 *layout, char *name)
4068 char *ptr, *layout_name;
4071 for (ptr = name; ; ptr = NULL) {
4072 layout_name = strtok(ptr, ",");
4073 if (layout_name == NULL)
4075 if (strcmp(layout_name, "released") == 0)
4076 *layout |= LOV_PATTERN_F_RELEASED;
4077 else if (strcmp(layout_name, "raid0") == 0)
4078 *layout |= LOV_PATTERN_RAID0;
4079 else if (strcmp(layout_name, "mdt") == 0)
4080 *layout |= LOV_PATTERN_MDT;
4081 else if (strcmp(layout_name, "overstriping") == 0)
4082 *layout |= LOV_PATTERN_OVERSTRIPING;
4089 static int lfs_find(int argc, char **argv)
4094 struct find_param param = {
4097 .fp_time_margin = 24 * 60 * 60,
4099 struct option long_opts[] = {
4100 { .val = 'A', .name = "atime", .has_arg = required_argument },
4101 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4102 { .val = LFS_COMP_COUNT_OPT,
4103 .name = "comp-count", .has_arg = required_argument },
4104 { .val = LFS_COMP_COUNT_OPT,
4105 .name = "component-count",
4106 .has_arg = required_argument },
4107 { .val = LFS_COMP_FLAGS_OPT,
4108 .name = "comp-flags", .has_arg = required_argument },
4109 { .val = LFS_COMP_FLAGS_OPT,
4110 .name = "component-flags",
4111 .has_arg = required_argument },
4112 { .val = LFS_COMP_START_OPT,
4113 .name = "comp-start", .has_arg = required_argument },
4114 { .val = LFS_COMP_START_OPT,
4115 .name = "component-start",
4116 .has_arg = required_argument },
4117 { .val = LFS_MIRROR_STATE_OPT,
4118 .name = "mirror-state", .has_arg = required_argument },
4119 { .val = LFS_LAYOUT_FOREIGN_OPT,
4120 .name = "foreign", .has_arg = optional_argument},
4121 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4122 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4123 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4124 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4125 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4126 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4127 { .val = 'E', .name = "component-end",
4128 .has_arg = required_argument },
4129 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4130 { .val = LFS_LAYOUT_FOREIGN_OPT,
4131 .name = "foreign", .has_arg = optional_argument},
4132 { .val = 'g', .name = "gid", .has_arg = required_argument },
4133 { .val = 'G', .name = "group", .has_arg = required_argument },
4134 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4135 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4136 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4137 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4138 { .val = 'L', .name = "layout", .has_arg = required_argument },
4139 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4140 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4141 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4142 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4143 { .val = 'n', .name = "name", .has_arg = required_argument },
4144 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4145 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4146 { .val = 'O', .name = "obd", .has_arg = required_argument },
4147 { .val = 'O', .name = "ost", .has_arg = required_argument },
4148 /* no short option for pool yet, can be 'p' after 2.18 */
4149 { .val = LFS_POOL_OPT,
4150 .name = "pool", .has_arg = required_argument },
4151 { .val = '0', .name = "print0", .has_arg = no_argument },
4152 { .val = 'P', .name = "print", .has_arg = no_argument },
4153 { .val = LFS_PROJID_OPT,
4154 .name = "projid", .has_arg = required_argument },
4155 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4156 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4157 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4158 { .val = 's', .name = "size", .has_arg = required_argument },
4159 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4160 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4161 { .val = 't', .name = "type", .has_arg = required_argument },
4162 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4163 { .val = 'u', .name = "uid", .has_arg = required_argument },
4164 { .val = 'U', .name = "user", .has_arg = required_argument },
4165 { .val = 'z', .name = "extension-size",
4166 .has_arg = required_argument },
4167 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4168 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4169 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4182 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4183 while ((c = getopt_long_only(argc, argv,
4184 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4185 long_opts, NULL)) >= 0) {
4190 /* '!' is part of option */
4191 /* when getopt_long_only() finds a string which is not
4192 * an option nor a known option argument it returns 1
4193 * in that case if we already have found pathstart and pathend
4194 * (i.e. we have the list of pathnames),
4195 * the only supported value is "!"
4197 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4198 if (!isoption && pathend != -1) {
4199 fprintf(stderr, "err: %s: filename|dirname must either "
4200 "precede options or follow options\n",
4205 if (!isoption && pathstart == -1)
4206 pathstart = optind - 1;
4207 if (isoption && pathstart != -1 && pathend == -1)
4208 pathend = optind - 2;
4214 /* unknown; opt is "!" or path component,
4215 * checking done above.
4217 if (strcmp(optarg, "!") == 0)
4221 xtime = ¶m.fp_atime;
4222 xsign = ¶m.fp_asign;
4223 param.fp_exclude_atime = !!neg_opt;
4224 /* no break, this falls through to 'C' for ctime */
4227 xtime = ¶m.fp_ctime;
4228 xsign = ¶m.fp_csign;
4229 param.fp_exclude_ctime = !!neg_opt;
4231 /* no break, this falls through to 'M' for mtime */
4234 xtime = ¶m.fp_mtime;
4235 xsign = ¶m.fp_msign;
4236 param.fp_exclude_mtime = !!neg_opt;
4238 rc = set_time(¶m, &t, xtime, optarg);
4239 if (rc == LONG_MAX) {
4247 if (optarg[0] == '+') {
4248 param.fp_blocks_sign = -1;
4250 } else if (optarg[0] == '-') {
4251 param.fp_blocks_sign = 1;
4255 param.fp_blocks_units = 1024;
4256 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4257 ¶m.fp_blocks_units, 0);
4259 fprintf(stderr, "error: bad blocks '%s'\n",
4263 param.fp_check_blocks = 1;
4264 param.fp_exclude_blocks = !!neg_opt;
4266 case LFS_COMP_COUNT_OPT:
4267 if (optarg[0] == '+') {
4268 param.fp_comp_count_sign = -1;
4270 } else if (optarg[0] == '-') {
4271 param.fp_comp_count_sign = 1;
4275 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4276 if (*endptr != '\0') {
4277 fprintf(stderr, "error: bad component count "
4281 param.fp_check_comp_count = 1;
4282 param.fp_exclude_comp_count = !!neg_opt;
4284 case LFS_COMP_FLAGS_OPT:
4285 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4286 ¶m.fp_comp_neg_flags);
4288 fprintf(stderr, "error: bad component flags "
4292 param.fp_check_comp_flags = 1;
4294 __u32 flags = param.fp_comp_neg_flags;
4295 param.fp_comp_neg_flags = param.fp_comp_flags;
4296 param.fp_comp_flags = flags;
4299 case LFS_COMP_START_OPT:
4300 if (optarg[0] == '+') {
4301 param.fp_comp_start_sign = -1;
4303 } else if (optarg[0] == '-') {
4304 param.fp_comp_start_sign = 1;
4308 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4309 ¶m.fp_comp_start_units, 0);
4311 fprintf(stderr, "error: bad component start "
4315 param.fp_check_comp_start = 1;
4316 param.fp_exclude_comp_start = !!neg_opt;
4318 case LFS_MIRROR_STATE_OPT:
4319 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4320 ¶m.fp_mirror_neg_state);
4323 "error: bad mirrored file state '%s'\n",
4327 param.fp_check_mirror_state = 1;
4329 __u16 state = param.fp_mirror_neg_state;
4330 param.fp_mirror_neg_state =
4331 param.fp_mirror_state;
4332 param.fp_mirror_state = state;
4336 if (optarg[0] == '+') {
4337 param.fp_stripe_count_sign = -1;
4339 } else if (optarg[0] == '-') {
4340 param.fp_stripe_count_sign = 1;
4344 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4345 if (*endptr != '\0') {
4346 fprintf(stderr,"error: bad stripe_count '%s'\n",
4351 param.fp_check_stripe_count = 1;
4352 param.fp_exclude_stripe_count = !!neg_opt;
4355 param.fp_max_depth = strtol(optarg, 0, 0);
4358 if (optarg[0] == '+') {
4359 param.fp_comp_end_sign = -1;
4361 } else if (optarg[0] == '-') {
4362 param.fp_comp_end_sign = 1;
4366 if (arg_is_eof(optarg)) {
4367 param.fp_comp_end = LUSTRE_EOF;
4368 param.fp_comp_end_units = 1;
4371 rc = llapi_parse_size(optarg,
4373 ¶m.fp_comp_end_units, 0);
4376 fprintf(stderr, "error: bad component end "
4380 param.fp_check_comp_end = 1;
4381 param.fp_exclude_comp_end = !!neg_opt;
4383 case LFS_LAYOUT_FOREIGN_OPT: {
4384 /* all types by default */
4385 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4387 if (optarg != NULL) {
4388 /* check pure numeric */
4389 type = strtoul(optarg, &endptr, 0);
4392 type = check_foreign_type_name(optarg);
4393 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4395 "%s %s: unknown foreign type '%s'\n",
4402 param.fp_foreign_type = type;
4403 param.fp_check_foreign = 1;
4404 param.fp_exclude_foreign = !!neg_opt;
4409 rc = name2gid(¶m.fp_gid, optarg);
4411 param.fp_gid = strtoul(optarg, &endptr, 10);
4412 if (*endptr != '\0') {
4413 fprintf(stderr, "Group/GID: %s cannot "
4414 "be found.\n", optarg);
4419 param.fp_exclude_gid = !!neg_opt;
4420 param.fp_check_gid = 1;
4423 param.fp_hash_type = check_hashtype(optarg);
4424 if (param.fp_hash_type == 0) {
4425 fprintf(stderr, "error: bad hash_type '%s'\n",
4430 param.fp_check_hash_type = 1;
4431 param.fp_exclude_hash_type = !!neg_opt;
4434 ret = name2layout(¶m.fp_layout, optarg);
4437 param.fp_exclude_layout = !!neg_opt;
4438 param.fp_check_layout = 1;
4442 rc = name2uid(¶m.fp_uid, optarg);
4444 param.fp_uid = strtoul(optarg, &endptr, 10);
4445 if (*endptr != '\0') {
4446 fprintf(stderr, "User/UID: %s cannot "
4447 "be found.\n", optarg);
4452 param.fp_exclude_uid = !!neg_opt;
4453 param.fp_check_uid = 1;
4456 param.fp_pattern = (char *)optarg;
4457 param.fp_exclude_pattern = !!neg_opt;
4460 if (optarg[0] == '+') {
4461 param.fp_mirror_count_sign = -1;
4463 } else if (optarg[0] == '-') {
4464 param.fp_mirror_count_sign = 1;
4468 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4469 if (*endptr != '\0') {
4471 "error: bad mirror count '%s'\n",
4475 param.fp_check_mirror_count = 1;
4476 param.fp_exclude_mirror_count = !!neg_opt;
4481 char *buf, *token, *next, *p;
4485 buf = strdup(optarg);
4491 param.fp_exclude_obd = !!neg_opt;
4494 while (token && *token) {
4495 token = strchr(token, ',');
4502 param.fp_exclude_mdt = !!neg_opt;
4503 param.fp_num_alloc_mdts += len;
4504 tmp = realloc(param.fp_mdt_uuid,
4505 param.fp_num_alloc_mdts *
4506 sizeof(*param.fp_mdt_uuid));
4512 param.fp_mdt_uuid = tmp;
4514 param.fp_exclude_obd = !!neg_opt;
4515 param.fp_num_alloc_obds += len;
4516 tmp = realloc(param.fp_obd_uuid,
4517 param.fp_num_alloc_obds *
4518 sizeof(*param.fp_obd_uuid));
4524 param.fp_obd_uuid = tmp;
4526 for (token = buf; token && *token; token = next) {
4527 struct obd_uuid *puuid;
4530 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4533 ¶m.fp_obd_uuid[param.fp_num_obds++];
4535 p = strchr(token, ',');
4542 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4547 strncpy(puuid->uuid, token,
4548 sizeof(puuid->uuid));
4555 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4559 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4561 "Pool name %s is too long (max %d)\n",
4562 optarg, LOV_MAXPOOLNAME);
4567 * We do check for empty pool because empty pool
4568 * is used to find V1 LOV attributes
4570 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4571 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4572 param.fp_exclude_pool = !!neg_opt;
4573 param.fp_check_pool = 1;
4575 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4576 case 'p': /* want this for --pool, to match getstripe/find */
4578 "warning: -p deprecated, use --print0 or -0\n");
4581 param.fp_zero_end = 1;
4583 case 'P': /* we always print, this option is a no-op */
4585 case LFS_PROJID_OPT:
4586 rc = name2projid(¶m.fp_projid, optarg);
4588 param.fp_projid = strtoul(optarg, &endptr, 10);
4589 if (*endptr != '\0') {
4591 "Invalid project ID: %s",
4597 param.fp_exclude_projid = !!neg_opt;
4598 param.fp_check_projid = 1;
4601 if (optarg[0] == '+') {
4602 param.fp_size_sign = -1;
4604 } else if (optarg[0] == '-') {
4605 param.fp_size_sign = 1;
4609 ret = llapi_parse_size(optarg, ¶m.fp_size,
4610 ¶m.fp_size_units, 0);
4612 fprintf(stderr, "error: bad file size '%s'\n",
4616 param.fp_check_size = 1;
4617 param.fp_exclude_size = !!neg_opt;
4620 if (optarg[0] == '+') {
4621 param.fp_stripe_size_sign = -1;
4623 } else if (optarg[0] == '-') {
4624 param.fp_stripe_size_sign = 1;
4628 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4629 ¶m.fp_stripe_size_units, 0);
4631 fprintf(stderr, "error: bad stripe_size '%s'\n",
4635 param.fp_check_stripe_size = 1;
4636 param.fp_exclude_stripe_size = !!neg_opt;
4639 param.fp_exclude_type = !!neg_opt;
4640 switch (optarg[0]) {
4642 param.fp_type = S_IFBLK;
4645 param.fp_type = S_IFCHR;
4648 param.fp_type = S_IFDIR;
4651 param.fp_type = S_IFREG;
4654 param.fp_type = S_IFLNK;
4657 param.fp_type = S_IFIFO;
4660 param.fp_type = S_IFSOCK;
4663 fprintf(stderr, "error: %s: bad type '%s'\n",
4670 if (optarg[0] == '+') {
4671 param.fp_mdt_count_sign = -1;
4673 } else if (optarg[0] == '-') {
4674 param.fp_mdt_count_sign = 1;
4678 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4679 if (*endptr != '\0') {
4680 fprintf(stderr, "error: bad mdt_count '%s'\n",
4685 param.fp_check_mdt_count = 1;
4686 param.fp_exclude_mdt_count = !!neg_opt;
4689 if (optarg[0] == '+') {
4690 param.fp_ext_size_sign = -1;
4692 } else if (optarg[0] == '-') {
4693 param.fp_ext_size_sign = 1;
4697 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
4698 ¶m.fp_ext_size_units, 0);
4700 fprintf(stderr, "error: bad ext-size '%s'\n",
4704 param.fp_ext_size /= SEL_UNIT_SIZE;
4705 param.fp_ext_size_units /= SEL_UNIT_SIZE;
4706 param.fp_check_ext_size = 1;
4707 param.fp_exclude_ext_size = !!neg_opt;
4716 if (pathstart == -1) {
4717 fprintf(stderr, "error: %s: no filename|pathname\n",
4721 } else if (pathend == -1) {
4727 rc = llapi_find(argv[pathstart], ¶m);
4730 pathbad = pathstart;
4732 } while (++pathstart < pathend);
4735 fprintf(stderr, "%s: failed for '%s': %s\n",
4736 progname, argv[pathbad], strerror(-rc));
4739 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4740 free(param.fp_obd_uuid);
4742 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4743 free(param.fp_mdt_uuid);
4748 static int lfs_getstripe_internal(int argc, char **argv,
4749 struct find_param *param)
4751 struct option long_opts[] = {
4752 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4753 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4754 { .val = LFS_COMP_COUNT_OPT,
4755 .name = "comp-count", .has_arg = no_argument },
4756 { .val = LFS_COMP_COUNT_OPT,
4757 .name = "component-count", .has_arg = no_argument },
4758 { .val = LFS_COMP_FLAGS_OPT,
4759 .name = "comp-flags", .has_arg = optional_argument },
4760 { .val = LFS_COMP_FLAGS_OPT,
4761 .name = "component-flags", .has_arg = optional_argument },
4762 { .val = LFS_COMP_START_OPT,
4763 .name = "comp-start", .has_arg = optional_argument },
4764 { .val = LFS_COMP_START_OPT,
4765 .name = "component-start", .has_arg = optional_argument },
4766 { .val = LFS_MIRROR_INDEX_OPT,
4767 .name = "mirror-index", .has_arg = required_argument },
4768 { .val = LFS_MIRROR_ID_OPT,
4769 .name = "mirror-id", .has_arg = required_argument },
4770 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4771 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4772 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4773 { .val = 'd', .name = "directory", .has_arg = no_argument },
4774 { .val = 'D', .name = "default", .has_arg = no_argument },
4775 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4776 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4777 { .val = 'F', .name = "fid", .has_arg = no_argument },
4778 { .val = 'g', .name = "generation", .has_arg = no_argument },
4779 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4780 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4781 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4782 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4783 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4784 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4785 { .val = 'L', .name = "layout", .has_arg = no_argument },
4786 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4787 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4788 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4789 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4790 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4791 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4792 { .val = 'O', .name = "obd", .has_arg = required_argument },
4793 { .val = 'O', .name = "ost", .has_arg = required_argument },
4794 { .val = 'p', .name = "pool", .has_arg = no_argument },
4795 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4796 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4797 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4798 { .val = 'R', .name = "raw", .has_arg = no_argument },
4799 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4800 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4801 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4802 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4803 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4804 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4805 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4806 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4807 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
4808 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
4812 int pathstart = -1, pathend = -1;
4816 while ((c = getopt_long(argc, argv,
4817 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
4818 long_opts, NULL)) != -1) {
4822 /* '!' is part of option */
4823 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4824 if (!isoption && pathend != -1) {
4826 "error: %s: filename|dirname must either precede options or follow options\n",
4830 if (!isoption && pathstart == -1)
4831 pathstart = optind - 1;
4832 if (isoption && pathstart != -1 && pathend == -1)
4833 pathend = optind - 2;
4837 /* unknown: opt is "!" */
4838 if (strcmp(optarg, "!") == 0)
4842 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4843 param->fp_verbose |= VERBOSE_COUNT;
4844 param->fp_max_depth = 0;
4847 case LFS_COMP_COUNT_OPT:
4848 param->fp_verbose |= VERBOSE_COMP_COUNT;
4849 param->fp_max_depth = 0;
4851 case LFS_COMP_FLAGS_OPT:
4852 if (optarg != NULL) {
4853 rc = comp_str2flags(optarg,
4854 ¶m->fp_comp_flags,
4855 ¶m->fp_comp_neg_flags);
4857 fprintf(stderr, "error: %s bad "
4858 "component flags '%s'.\n",
4862 param->fp_check_comp_flags = 1;
4864 param->fp_verbose |= VERBOSE_COMP_FLAGS;
4865 param->fp_max_depth = 0;
4868 case LFS_COMP_START_OPT:
4869 if (optarg != NULL) {
4871 if (tmp[0] == '+') {
4872 param->fp_comp_start_sign = -1;
4874 } else if (tmp[0] == '-') {
4875 param->fp_comp_start_sign = 1;
4878 rc = llapi_parse_size(tmp,
4879 ¶m->fp_comp_start,
4880 ¶m->fp_comp_start_units, 0);
4882 fprintf(stderr, "error: %s bad "
4883 "component start '%s'.\n",
4887 param->fp_check_comp_start = 1;
4890 param->fp_verbose |= VERBOSE_COMP_START;
4891 param->fp_max_depth = 0;
4894 case LFS_MIRROR_INDEX_OPT:
4895 if (optarg[0] == '+') {
4896 param->fp_mirror_index_sign = -1;
4898 } else if (optarg[0] == '-') {
4899 param->fp_mirror_index_sign = 1;
4903 param->fp_mirror_index = strtoul(optarg, &end, 0);
4904 if (*end != '\0' || (param->fp_mirror_index == 0 &&
4905 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
4907 "%s %s: invalid mirror index '%s'\n",
4908 progname, argv[0], optarg);
4911 if (param->fp_mirror_id != 0) {
4913 "%s %s: can't specify both mirror index and mirror ID\n",
4917 param->fp_check_mirror_index = 1;
4918 param->fp_exclude_mirror_index = !!neg_opt;
4920 case LFS_MIRROR_ID_OPT:
4921 if (optarg[0] == '+') {
4922 param->fp_mirror_id_sign = -1;
4924 } else if (optarg[0] == '-') {
4925 param->fp_mirror_id_sign = 1;
4929 param->fp_mirror_id = strtoul(optarg, &end, 0);
4930 if (*end != '\0' || (param->fp_mirror_id == 0 &&
4931 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
4933 "%s %s: invalid mirror ID '%s'\n",
4934 progname, argv[0], optarg);
4937 if (param->fp_mirror_index != 0) {
4939 "%s %s: can't specify both mirror index and mirror ID\n",
4943 param->fp_check_mirror_id = 1;
4944 param->fp_exclude_mirror_id = !!neg_opt;
4947 param->fp_max_depth = 0;
4950 param->fp_get_default_lmv = 1;
4953 if (optarg != NULL) {
4955 if (tmp[0] == '+') {
4956 param->fp_comp_end_sign = -1;
4958 } else if (tmp[0] == '-') {
4959 param->fp_comp_end_sign = 1;
4963 if (arg_is_eof(tmp)) {
4964 param->fp_comp_end = LUSTRE_EOF;
4965 param->fp_comp_end_units = 1;
4968 rc = llapi_parse_size(tmp,
4969 ¶m->fp_comp_end,
4970 ¶m->fp_comp_end_units, 0);
4973 fprintf(stderr, "error: %s bad "
4974 "component end '%s'.\n",
4978 param->fp_check_comp_end = 1;
4980 param->fp_verbose |= VERBOSE_COMP_END;
4981 param->fp_max_depth = 0;
4985 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4986 param->fp_verbose |= VERBOSE_DFID;
4987 param->fp_max_depth = 0;
4991 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4992 param->fp_verbose |= VERBOSE_GENERATION;
4993 param->fp_max_depth = 0;
4997 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4998 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
4999 param->fp_max_depth = 0;
5003 if (optarg != NULL) {
5004 param->fp_comp_id = strtoul(optarg, &end, 0);
5005 if (*end != '\0' || param->fp_comp_id == 0 ||
5006 param->fp_comp_id > LCME_ID_MAX) {
5007 fprintf(stderr, "error: %s bad "
5008 "component id '%s'\n",
5012 param->fp_check_comp_id = 1;
5015 param->fp_max_depth = 0;
5016 param->fp_verbose |= VERBOSE_COMP_ID;
5020 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5021 param->fp_verbose |= VERBOSE_PATTERN;
5022 param->fp_max_depth = 0;
5025 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5027 fprintf(stderr, "warning: '-M' deprecated"
5028 ", use '--mdt-index' or '-m' instead\n");
5031 if (!(param->fp_verbose & VERBOSE_DETAIL))
5032 param->fp_max_depth = 0;
5033 param->fp_verbose |= VERBOSE_MDTINDEX;
5036 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5037 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
5038 param->fp_max_depth = 0;
5042 if (param->fp_obd_uuid) {
5044 "error: %s: only one obduuid allowed",
5048 param->fp_obd_uuid = (struct obd_uuid *)optarg;
5051 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5052 param->fp_verbose |= VERBOSE_POOL;
5053 param->fp_max_depth = 0;
5060 param->fp_recursive = 1;
5066 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5067 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
5068 param->fp_max_depth = 0;
5072 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
5078 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5079 param->fp_verbose |= VERBOSE_EXT_SIZE;
5080 param->fp_max_depth = 0;
5088 if (pathstart == -1) {
5089 fprintf(stderr, "error: %s: no filename|pathname\n",
5092 } else if (pathend == -1) {
5100 if (param->fp_recursive)
5101 param->fp_max_depth = -1;
5102 else if (param->fp_verbose & VERBOSE_DETAIL)
5103 param->fp_max_depth = 1;
5105 if (!param->fp_verbose)
5106 param->fp_verbose = VERBOSE_DEFAULT;
5107 if (param->fp_quiet)
5108 param->fp_verbose = VERBOSE_OBJID;
5111 rc = llapi_getstripe(argv[pathstart], param);
5112 } while (++pathstart < pathend && !rc);
5115 fprintf(stderr, "error: %s failed for %s.\n",
5116 argv[0], argv[optind - 1]);
5120 static int lfs_tgts(int argc, char **argv)
5122 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5123 struct find_param param;
5124 int index = 0, rc=0;
5129 if (argc == 2 && !realpath(argv[1], path)) {
5131 fprintf(stderr, "error: invalid path '%s': %s\n",
5132 argv[1], strerror(-rc));
5136 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5137 /* Check if we have a mount point */
5138 if (mntdir[0] == '\0')
5141 memset(¶m, 0, sizeof(param));
5142 if (!strcmp(argv[0], "mdts"))
5143 param.fp_get_lmv = 1;
5145 rc = llapi_ostlist(mntdir, ¶m);
5147 fprintf(stderr, "error: %s: failed on %s\n",
5150 if (path[0] != '\0')
5152 memset(mntdir, 0, PATH_MAX);
5158 static int lfs_getstripe(int argc, char **argv)
5160 struct find_param param = { 0 };
5162 param.fp_max_depth = 1;
5163 return lfs_getstripe_internal(argc, argv, ¶m);
5167 static int lfs_getdirstripe(int argc, char **argv)
5169 struct find_param param = { 0 };
5170 struct option long_opts[] = {
5171 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5172 { .val = 'D', .name = "default", .has_arg = no_argument },
5173 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5174 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5175 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5176 { .val = 'O', .name = "obd", .has_arg = required_argument },
5177 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5178 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5179 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5180 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5184 param.fp_get_lmv = 1;
5186 while ((c = getopt_long(argc, argv,
5187 "cDHimO:rtTvy", long_opts, NULL)) != -1)
5192 param.fp_verbose |= VERBOSE_COUNT;
5195 param.fp_get_default_lmv = 1;
5199 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5201 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5203 fprintf(stderr, "warning: '-t' deprecated, "
5204 "use '--mdt-hash' or '-H' instead\n");
5207 param.fp_verbose |= VERBOSE_HASH_TYPE;
5210 if (param.fp_obd_uuid) {
5212 "error: %s: only one obduuid allowed",
5216 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5219 param.fp_recursive = 1;
5222 param.fp_verbose |= VERBOSE_DETAIL;
5228 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5229 progname, argv[0], argv[optind - 1]);
5237 if (param.fp_recursive)
5238 param.fp_max_depth = -1;
5240 if (!param.fp_verbose)
5241 param.fp_verbose = VERBOSE_DEFAULT;
5244 rc = llapi_getstripe(argv[optind], ¶m);
5245 } while (++optind < argc && !rc);
5248 fprintf(stderr, "error: %s failed for %s.\n",
5249 argv[0], argv[optind - 1]);
5254 MNTDF_INODES = 0x0001,
5255 MNTDF_COOKED = 0x0002,
5256 MNTDF_LAZY = 0x0004,
5257 MNTDF_VERBOSE = 0x0008,
5258 MNTDF_SHOW = 0x0010,
5261 #define COOK(value) \
5264 while (value > 1024) { \
5272 #define CDF "%11llu"
5273 #define HDF "%8.1f%c"
5277 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5279 double avail, used, ratio = 0;
5282 avail = st->os_ffree;
5283 used = st->os_files - st->os_ffree;
5285 avail = st->os_bavail;
5286 used = st->os_blocks - st->os_bfree;
5288 if (avail + used > 0)
5289 ratio = used / (used + avail) * 100;
5291 /* Round up to match df(1) usage percentage */
5292 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5295 /* This is to identify various problem states for "lfs df" if .osn_err = true,
5296 * so only show flags reflecting those states by default. Informational states
5297 * are only shown with "-v" and use lower-case names to distinguish them.
5298 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5300 static struct obd_statfs_state_names {
5301 enum obd_statfs_state osn_state;
5302 const char osn_name;
5305 { .osn_state = OS_STATE_DEGRADED, .osn_name = 'D', .osn_err = true },
5306 { .osn_state = OS_STATE_READONLY, .osn_name = 'R', .osn_err = true },
5307 { .osn_state = OS_STATE_NOPRECREATE, .osn_name = 'N', .osn_err = true },
5308 { .osn_state = OS_STATE_UNUSED1, .osn_name = '?', .osn_err = true },
5309 { .osn_state = OS_STATE_UNUSED2, .osn_name = '?', .osn_err = true },
5310 { .osn_state = OS_STATE_ENOSPC, .osn_name = 'S', .osn_err = true },
5311 { .osn_state = OS_STATE_ENOINO, .osn_name = 'I', .osn_err = true },
5312 { .osn_state = OS_STATE_SUM, .osn_name = 'a', /* aggregate */ },
5313 { .osn_state = OS_STATE_NONROT, .osn_name = 'f', /* flash */ },
5316 static int showdf(char *mntdir, struct obd_statfs *stat,
5317 char *uuid, enum mntdf_flags flags,
5318 char *type, int index, int rc)
5320 long long avail, used, total;
5322 char *suffix = "KMGTPEZY";
5323 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5324 char tbuf[3 * sizeof(__u64)];
5325 char ubuf[3 * sizeof(__u64)];
5326 char abuf[3 * sizeof(__u64)];
5327 char rbuf[3 * sizeof(__u64)];
5334 if (flags & MNTDF_INODES) {
5335 avail = stat->os_ffree;
5336 used = stat->os_files - stat->os_ffree;
5337 total = stat->os_files;
5339 int shift = flags & MNTDF_COOKED ? 0 : 10;
5341 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5342 used = ((stat->os_blocks - stat->os_bfree) *
5343 stat->os_bsize) >> shift;
5344 total = (stat->os_blocks * stat->os_bsize) >> shift;
5347 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5349 if (flags & MNTDF_COOKED) {
5353 cook_val = (double)total;
5356 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5359 snprintf(tbuf, sizeof(tbuf), CDF, total);
5361 cook_val = (double)used;
5364 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5367 snprintf(ubuf, sizeof(ubuf), CDF, used);
5369 cook_val = (double)avail;
5372 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5375 snprintf(abuf, sizeof(abuf), CDF, avail);
5377 snprintf(tbuf, sizeof(tbuf), CDF, total);
5378 snprintf(ubuf, sizeof(tbuf), CDF, used);
5379 snprintf(abuf, sizeof(tbuf), CDF, avail);
5382 sprintf(rbuf, RDF, ratio);
5383 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5384 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5386 printf("[%s:%d]", type, index);
5388 if (stat->os_state) {
5392 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5393 if (oss_names[i].osn_state & stat->os_state &&
5394 (oss_names[i].osn_err ||
5395 flags & MNTDF_VERBOSE))
5396 printf("%c", oss_names[i].osn_name);
5403 printf(UUF": inactive device\n", uuid);
5406 printf(UUF": %s\n", uuid, strerror(-rc));
5413 struct ll_stat_type {
5418 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5420 struct ll_statfs_data {
5422 struct obd_statfs sd_st;
5425 struct ll_statfs_buf {
5427 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5430 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5431 int ops, struct ll_statfs_buf *lsb)
5433 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5434 struct obd_uuid uuid_buf;
5435 char *poolname = NULL;
5436 struct ll_stat_type types[] = {
5437 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5438 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5439 { .st_name = NULL } };
5440 struct ll_stat_type *tp;
5441 __u64 ost_files = 0;
5442 __u64 ost_ffree = 0;
5450 poolname = strchr(pool, '.');
5451 if (poolname != NULL) {
5452 if (strncmp(fsname, pool, strlen(fsname))) {
5453 fprintf(stderr, "filesystem name incorrect\n");
5461 fd = open(mntdir, O_RDONLY);
5464 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5469 if (flags & MNTDF_SHOW) {
5470 if (flags & MNTDF_INODES)
5471 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5472 "UUID", "Inodes", "IUsed", "IFree",
5473 "IUse%", "Mounted on");
5475 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5477 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5478 "Used", "Available", "Use%", "Mounted on");
5481 for (tp = types; tp->st_name != NULL; tp++) {
5482 bool have_ost = false;
5484 if (!(tp->st_op & ops))
5487 for (index = 0; ; index++) {
5488 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5489 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5490 type = flags & MNTDF_LAZY ?
5491 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5492 rc2 = llapi_obd_fstatfs(fd, type, index,
5493 &stat_buf, &uuid_buf);
5498 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5499 if (!(flags & MNTDF_VERBOSE))
5501 } else if (rc2 < 0 && rc == 0) {
5505 /* If we have OSTs then don't report MDT block counts.
5506 * For MDT-only filesystems the expectation is that all
5507 * layouts have a DoM component. For filesystems with
5508 * OSTs, files are not necessarily going to store data
5509 * on MDTs, and MDT space is limited to a fraction of
5510 * OST space, so don't include it in the summary.
5512 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5519 if (poolname && tp->st_op == LL_STATFS_LOV &&
5520 llapi_search_ost(fsname, poolname,
5521 obd_uuid2str(&uuid_buf)) != 1)
5524 /* the llapi_obd_statfs() call may have returned with
5525 * an error, but if it filled in uuid_buf we will at
5526 * lease use that to print out a message for that OBD.
5527 * If we didn't get anything in the uuid_buf, then fill
5528 * it in so that we can print an error message. */
5529 if (uuid_buf.uuid[0] == '\0')
5530 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5531 "%s%04x", tp->st_name, index);
5533 lsb->sb_buf[lsb->sb_count].sd_index = index;
5534 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5537 if (flags & MNTDF_SHOW)
5538 showdf(mntdir, &stat_buf,
5539 obd_uuid2str(&uuid_buf), flags,
5540 tp->st_name, index, rc2);
5545 if (tp->st_op == LL_STATFS_LMV) {
5546 sum.os_ffree += stat_buf.os_ffree;
5547 sum.os_files += stat_buf.os_files;
5548 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5549 ost_files += stat_buf.os_files;
5550 ost_ffree += stat_buf.os_ffree;
5552 sum.os_blocks += stat_buf.os_blocks *
5554 sum.os_bfree += stat_buf.os_bfree *
5556 sum.os_bavail += stat_buf.os_bavail *
5563 /* If we have _some_ OSTs, but don't have as many free objects on the
5564 * OST as inodes on the MDTs, reduce the reported number of inodes
5565 * to compensate, so that the "inodes in use" number is correct.
5566 * This should be kept in sync with ll_statfs_internal().
5568 if (ost_files && ost_ffree < sum.os_ffree) {
5569 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5570 sum.os_ffree = ost_ffree;
5572 if (flags & MNTDF_SHOW) {
5574 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5581 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
5583 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
5585 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
5587 int r1 = obd_statfs_ratio(st1, false);
5588 int r2 = obd_statfs_ratio(st2, false);
5589 int64_t result = r1 - r2;
5591 /* if both space usage are above 90, compare free inodes */
5592 if (r1 > 90 && r2 > 90)
5593 result = st2->os_ffree - st1->os_ffree;
5597 else if (result == 0)
5604 static int lfs_setdirstripe(int argc, char **argv)
5607 struct lfs_setstripe_args lsa = { 0 };
5608 struct llapi_stripe_param *param = NULL;
5609 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5612 char *mode_opt = NULL;
5613 bool default_stripe = false;
5614 bool delete = false;
5615 bool auto_distributed = false;
5616 bool foreign_mode = false;
5617 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5618 mode_t previous_mode = 0;
5619 struct ll_statfs_buf *lsb = NULL;
5620 char mntdir[PATH_MAX] = "";
5622 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5623 struct option long_opts[] = {
5624 { .val = 'c', .name = "count", .has_arg = required_argument },
5625 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5626 { .val = 'd', .name = "delete", .has_arg = no_argument },
5627 { .val = 'D', .name = "default", .has_arg = no_argument },
5628 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5629 { .val = LFS_LAYOUT_FLAGS_OPT,
5630 .name = "flags", .has_arg = required_argument },
5631 { .val = LFS_LAYOUT_FOREIGN_OPT,
5632 .name = "foreign", .has_arg = optional_argument},
5633 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5634 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5635 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5636 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5638 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5639 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5641 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5642 { .val = 'i', .name = "index", .has_arg = required_argument },
5644 { .val = 'o', .name = "mode", .has_arg = required_argument },
5645 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5646 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5648 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5649 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5650 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5654 setstripe_args_init(&lsa);
5656 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5657 long_opts, NULL)) >= 0) {
5664 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5667 "%s %s: invalid stripe count '%s'\n",
5668 progname, argv[0], optarg);
5674 default_stripe = true;
5677 default_stripe = true;
5679 case LFS_LAYOUT_FOREIGN_OPT:
5680 if (optarg != NULL) {
5681 /* check pure numeric */
5682 type = strtoul(optarg, &end, 0);
5685 type = check_foreign_type_name(optarg);
5686 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5688 "%s %s: unknown foreign type '%s'\n",
5695 foreign_mode = true;
5697 case LFS_LAYOUT_FLAGS_OPT:
5698 flags = strtoul(optarg, &end, 16);
5701 "%s %s: bad flags '%s'\n",
5702 progname, argv[0], optarg);
5706 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5708 fprintf(stderr, "warning: '--hash-type' and '-t' "
5709 "deprecated, use '--mdt-hash' or '-H' instead\n");
5712 lsa.lsa_pattern = check_hashtype(optarg);
5713 if (lsa.lsa_pattern == 0) {
5715 "%s %s: bad stripe hash type '%s'\n",
5716 progname, argv[0], optarg);
5721 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5724 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5725 if (strcmp(argv[optind - 1], "--index") == 0)
5727 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5730 lsa.lsa_nr_tgts = parse_targets(mdts,
5731 sizeof(mdts) / sizeof(__u32),
5732 lsa.lsa_nr_tgts, optarg, NULL);
5733 if (lsa.lsa_nr_tgts < 0) {
5735 "%s %s: invalid MDT target(s) '%s'\n",
5736 progname, argv[0], optarg);
5740 lsa.lsa_tgts = mdts;
5741 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5742 lsa.lsa_stripe_off = mdts[0];
5744 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5746 fprintf(stderr, "warning: '-m' is deprecated, "
5747 "use '--mode' or '-o' instead\n");
5756 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5757 progname, argv[0], argv[optind - 1]);
5762 if (optind == argc) {
5763 fprintf(stderr, "%s %s: DIR must be specified\n",
5768 if (xattr && !foreign_mode) {
5769 /* only print a warning as this is armless and will be
5773 "%s %s: xattr has been specified for non-foreign layout\n",
5775 } else if (foreign_mode && !xattr) {
5777 "%s %s: xattr must be provided in foreign mode\n",
5782 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
5783 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
5785 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
5790 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5791 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
5793 "%s %s: stripe offset and count must be specified\n",
5799 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5800 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5802 "%s %s: cannot specify -d with -c or -i options\n",
5807 if (mode_opt != NULL) {
5808 mode = strtoul(mode_opt, &end, 8);
5811 "%s %s: bad MODE '%s'\n",
5812 progname, argv[0], mode_opt);
5815 previous_mode = umask(0);
5818 /* foreign LMV/dir case */
5820 if (argc > optind + 1) {
5822 "%s %s: cannot specify multiple foreign dirs\n",
5827 dname = argv[optind];
5828 result = llapi_dir_create_foreign(dname, mode, type, flags,
5832 "%s mkdir: can't create foreign dir '%s': %s\n",
5833 progname, dname, strerror(-result));
5838 * initialize stripe parameters, in case param is converted to specific,
5839 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
5841 param = calloc(1, offsetof(typeof(*param),
5842 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
5843 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
5844 if (param == NULL) {
5846 "%s %s: cannot allocate memory for parameters: %s\n",
5847 progname, argv[0], strerror(ENOMEM));
5851 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
5852 param->lsp_stripe_count = lsa.lsa_stripe_count;
5853 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5854 param->lsp_stripe_offset = -1;
5856 param->lsp_stripe_offset = lsa.lsa_stripe_off;
5857 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
5858 param->lsp_stripe_pattern = lsa.lsa_pattern;
5860 param->lsp_stripe_pattern = LMV_HASH_TYPE_DEFAULT;
5861 param->lsp_pool = lsa.lsa_pool_name;
5862 param->lsp_is_specific = false;
5863 if (lsa.lsa_nr_tgts > 1) {
5864 if (lsa.lsa_stripe_count > 0 &&
5865 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
5866 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
5868 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
5869 argv[0], (long long)lsa.lsa_stripe_count,
5875 param->lsp_is_specific = true;
5876 param->lsp_stripe_count = lsa.lsa_nr_tgts;
5877 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
5880 if (!default_stripe && (lsa.lsa_pattern & LMV_HASH_FLAG_SPACE)) {
5881 fprintf(stderr, "%s %s: can only specify -H space with -D\n",
5887 if (param->lsp_stripe_offset != -1 &&
5888 lsa.lsa_pattern & LMV_HASH_FLAG_SPACE) {
5889 fprintf(stderr, "%s %s: can only specify -H space with -i -1\n",
5895 dname = argv[optind];
5897 if (default_stripe) {
5898 result = llapi_dir_set_default_lmv(dname, param);
5901 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
5902 progname, dname, strerror(-result));
5907 * if current \a dname isn't under the same \a mntdir as the
5908 * last one, and the last one was auto-distributed, restore
5911 if (mntdir[0] != '\0' &&
5912 strncmp(dname, mntdir, strlen(mntdir)) &&
5914 param->lsp_is_specific = false;
5915 param->lsp_stripe_offset = -1;
5916 auto_distributed = false;
5920 * TODO: when MDT can allocate object with QoS (LU-9435), below
5921 * code should be removed, instead we should let LMV to allocate
5922 * the starting MDT object, and then let LOD allocate other MDT
5925 if (!param->lsp_is_specific && param->lsp_stripe_offset == -1) {
5926 char path[PATH_MAX] = "";
5929 lsb = malloc(sizeof(*lsb));
5937 /* use mntdir for dirname() temporarily */
5938 strncpy(mntdir, dname, sizeof(mntdir) - 1);
5939 if (!realpath(dirname(mntdir), path)) {
5942 "error: invalid path '%s': %s\n",
5943 argv[optind], strerror(errno));
5948 result = llapi_search_mounts(path, 0, mntdir, NULL);
5949 if (result < 0 || mntdir[0] == '\0') {
5951 "No suitable Lustre mount found\n");
5955 result = mntdf(mntdir, NULL, NULL, 0, LL_STATFS_LMV,
5960 if (param->lsp_stripe_count > lsb->sb_count) {
5962 "error: stripe count %d is too big\n",
5963 param->lsp_stripe_count);
5968 qsort(lsb->sb_buf, lsb->sb_count,
5969 sizeof(struct ll_statfs_data),
5970 ll_statfs_data_comp);
5972 auto_distributed = true;
5975 if (auto_distributed) {
5977 int nr = MAX(param->lsp_stripe_count,
5980 /* don't use server whose usage is above 90% */
5981 while (nr != param->lsp_stripe_count &&
5982 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st, false) >
5984 nr = MAX(param->lsp_stripe_count, nr / 2);
5986 /* get \a r between [0, nr) */
5989 param->lsp_stripe_offset = lsb->sb_buf[r].sd_index;
5990 if (param->lsp_stripe_count > 1) {
5993 param->lsp_is_specific = true;
5994 for (; i < param->lsp_stripe_count; i++)
5995 param->lsp_tgts[(i + r) % nr] =
5996 lsb->sb_buf[i].sd_index;
6000 result = llapi_dir_create(dname, mode, param);
6003 "%s setdirstripe: cannot create dir '%s': %s\n",
6004 progname, dname, strerror(-result));
6005 } while (!result && (dname = argv[++optind]));
6007 if (mode_opt != NULL)
6008 umask(previous_mode);
6016 static int lfs_rmentry(int argc, char **argv)
6023 fprintf(stderr, "error: %s: missing dirname\n",
6029 dname = argv[index];
6030 while (dname != NULL) {
6031 result = llapi_direntry_remove(dname);
6033 fprintf(stderr, "error: %s: remove dir entry '%s' "
6034 "failed\n", argv[0], dname);
6037 dname = argv[++index];
6042 static int lfs_mv(int argc, char **argv)
6044 struct lmv_user_md lmu = { LMV_USER_MAGIC };
6045 struct find_param param = {
6052 struct option long_opts[] = {
6053 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6054 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6055 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6058 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
6060 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6062 fprintf(stderr, "warning: '-M' deprecated"
6063 ", use '--mdt-index' or '-m' instead\n");
6066 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
6068 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
6074 param.fp_verbose = VERBOSE_DETAIL;
6077 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
6078 progname, argv[optind - 1]);
6083 if (lmu.lum_stripe_offset == -1) {
6084 fprintf(stderr, "%s mv: MDT index must be specified\n",
6089 if (optind >= argc) {
6090 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6095 /* initialize migrate mdt parameters */
6096 param.fp_lmv_md = &lmu;
6097 param.fp_migrate = 1;
6098 rc = llapi_migrate_mdt(argv[optind], ¶m);
6100 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6101 progname, argv[optind], param.fp_mdt_index,
6106 static int lfs_osts(int argc, char **argv)
6108 return lfs_tgts(argc, argv);
6111 static int lfs_mdts(int argc, char **argv)
6113 return lfs_tgts(argc, argv);
6116 static int lfs_df(int argc, char **argv)
6118 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6119 enum mntdf_flags flags = MNTDF_SHOW;
6120 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6121 int c, rc = 0, index = 0;
6122 char fsname[PATH_MAX] = "", *pool_name = NULL;
6123 struct option long_opts[] = {
6124 { .val = 'h', .name = "human-readable",
6125 .has_arg = no_argument },
6126 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6127 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6128 { .val = 'p', .name = "pool", .has_arg = required_argument },
6129 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6132 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6135 flags |= MNTDF_COOKED;
6138 flags |= MNTDF_INODES;
6141 flags |= MNTDF_LAZY;
6147 flags |= MNTDF_VERBOSE;
6153 if (optind < argc && !realpath(argv[optind], path)) {
6155 fprintf(stderr, "error: invalid path '%s': %s\n",
6156 argv[optind], strerror(-rc));
6160 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6161 /* Check if we have a mount point */
6162 if (mntdir[0] == '\0')
6165 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6166 if (rc || path[0] != '\0')
6168 fsname[0] = '\0'; /* avoid matching in next loop */
6169 mntdir[0] = '\0'; /* avoid matching in next loop */
6175 static int print_instance(const char *mntdir, char *fsname, size_t fsnamelen,
6176 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6180 /* llapi_search_mounts() fills "fsname", but that is not called if
6181 * explicit paths are specified on the command-line
6183 if (opt_instance || (opt_fsname && fsname[0] == '\0')) {
6184 int rc = llapi_getname(mntdir, fsname, fsnamelen);
6187 fprintf(stderr, "cannot get instance for '%s': %s\n",
6188 mntdir, strerror(-rc));
6192 if (!opt_instance) {
6193 /* print only the fsname name */
6194 buf = strchr(fsname, '-');
6198 } else if (!opt_fsname) {
6199 /* print only the instance name */
6200 buf = strchr(fsname, '-');
6206 } else if (opt_fsname) {
6207 /* print only the fsname */
6211 printf("%s %s\n", buf, opt_mntdir ? mntdir : "");
6216 static int lfs_getname(int argc, char **argv)
6218 struct option long_opts[] = {
6219 { .val = 'h', .name = "help", .has_arg = no_argument },
6220 { .val = 'i', .name = "instance", .has_arg = no_argument },
6221 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6223 bool opt_instance = false, opt_fsname = false;
6224 char fsname[PATH_MAX] = "";
6227 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6230 opt_instance = true;
6241 /* If neither option is given, print both instance and fsname */
6242 if (!opt_instance && !opt_fsname)
6243 opt_instance = opt_fsname = true;
6245 if (optind == argc) { /* no paths specified, get all paths. */
6246 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6249 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6250 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6251 opt_instance, opt_fsname, true);
6254 path[0] = fsname[0] = mntdir[0] = '\0';
6256 } else { /* paths specified, only attempt to search these. */
6259 /* if only one path is given, print only requested info */
6260 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6262 for (; optind < argc; optind++) {
6263 rc2 = print_instance(argv[optind], fsname,
6264 sizeof(fsname), opt_instance,
6265 opt_fsname, opt_mntdir);
6275 static int lfs_check(int argc, char **argv)
6277 char mntdir[PATH_MAX] = {'\0'};
6286 fprintf(stderr, "%s check: server type must be specified\n",
6291 obd_types[0] = obd_type1;
6292 obd_types[1] = obd_type2;
6293 obd_types[2] = obd_type3;
6295 if (strcmp(argv[1], "osts") == 0) {
6296 strcpy(obd_types[0], "osc");
6297 } else if (strcmp(argv[1], "mdts") == 0 ||
6298 strcmp(argv[1], "mds") == 0) {
6299 strcpy(obd_types[0], "mdc");
6300 } else if (strcmp(argv[1], "mgts") == 0) {
6301 strcpy(obd_types[0], "mgc");
6302 } else if (strcmp(argv[1], "all") == 0 ||
6303 strcmp(argv[1], "servers") == 0) {
6305 strcpy(obd_types[0], "osc");
6306 strcpy(obd_types[1], "mdc");
6307 strcpy(obd_types[2], "mgc");
6309 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6314 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6315 if (rc < 0 || mntdir[0] == '\0') {
6317 "%s check: cannot find mounted Lustre filesystem: %s\n",
6318 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6322 rc = llapi_target_check(num_types, obd_types, mntdir);
6324 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6325 progname, argv[1], strerror(-rc));
6331 #ifdef HAVE_SYS_QUOTA_H
6332 #define ARG2INT(nr, str, msg) \
6335 nr = strtol(str, &endp, 0); \
6336 if (*endp != '\0') { \
6337 fprintf(stderr, "%s: bad %s '%s'\n", \
6338 progname, msg, str); \
6343 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
6345 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6346 * returns the value or ULONG_MAX on integer overflow or incorrect format
6348 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6349 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6350 * 3. empty integer value is interpreted as 0
6352 static unsigned long str2sec(const char* timestr)
6354 const char spec[] = "smhdw";
6355 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6356 unsigned long val = 0;
6359 if (strpbrk(timestr, spec) == NULL) {
6360 /* no specifiers inside the time string,
6361 should treat it as an integer value */
6362 val = strtoul(timestr, &tail, 10);
6363 return *tail ? ULONG_MAX : val;
6366 /* format string is XXwXXdXXhXXmXXs */
6372 v = strtoul(timestr, &tail, 10);
6373 if (v == ULONG_MAX || *tail == '\0')
6374 /* value too large (ULONG_MAX or more)
6375 or missing specifier */
6378 ptr = strchr(spec, *tail);
6380 /* unknown specifier */
6385 /* check if product will overflow the type */
6386 if (!(v < ULONG_MAX / mult[ind]))
6389 ADD_OVERFLOW(val, mult[ind] * v);
6390 if (val == ULONG_MAX)
6402 #define ARG2ULL(nr, str, def_units) \
6404 unsigned long long limit, units = def_units; \
6407 rc = llapi_parse_size(str, &limit, &units, 1); \
6409 fprintf(stderr, "%s: invalid limit '%s'\n", \
6416 static inline int has_times_option(int argc, char **argv)
6420 for (i = 1; i < argc; i++)
6421 if (!strcmp(argv[i], "-t"))
6427 int lfs_setquota_times(int argc, char **argv)
6430 struct if_quotactl qctl;
6431 char *mnt, *obd_type = (char *)qctl.obd_type;
6432 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6433 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
6434 struct option long_opts[] = {
6435 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6436 { .val = 'g', .name = "group", .has_arg = no_argument },
6437 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6438 { .val = 'p', .name = "projid", .has_arg = no_argument },
6439 { .val = 't', .name = "times", .has_arg = no_argument },
6440 { .val = 'u', .name = "user", .has_arg = no_argument },
6444 memset(&qctl, 0, sizeof(qctl));
6445 qctl.qc_cmd = LUSTRE_Q_SETINFO;
6446 qctl.qc_type = ALLQUOTA;
6448 while ((c = getopt_long(argc, argv, "b:gi:ptu",
6449 long_opts, NULL)) != -1) {
6460 if (qctl.qc_type != ALLQUOTA) {
6461 fprintf(stderr, "error: -u/g/p can't be used "
6462 "more than once\n");
6465 qctl.qc_type = qtype;
6468 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
6469 fprintf(stderr, "error: bad block-grace: %s\n",
6473 dqb->dqb_valid |= QIF_BTIME;
6476 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
6477 fprintf(stderr, "error: bad inode-grace: %s\n",
6481 dqb->dqb_valid |= QIF_ITIME;
6483 case 't': /* Yes, of course! */
6485 default: /* getopt prints error message for us when opterr != 0 */
6490 if (qctl.qc_type == ALLQUOTA) {
6491 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6495 if (optind != argc - 1) {
6496 fprintf(stderr, "error: unexpected parameters encountered\n");
6500 if ((dqb->dqb_valid | QIF_BTIME && dqi->dqi_bgrace >= UINT_MAX) ||
6501 (dqb->dqb_valid | QIF_ITIME && dqi->dqi_igrace >= UINT_MAX)) {
6502 fprintf(stderr, "error: grace time is too large\n");
6507 rc = llapi_quotactl(mnt, &qctl);
6510 fprintf(stderr, "%s %s ", obd_type,
6511 obd_uuid2str(&qctl.obd_uuid));
6512 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6519 #define BSLIMIT (1 << 0)
6520 #define BHLIMIT (1 << 1)
6521 #define ISLIMIT (1 << 2)
6522 #define IHLIMIT (1 << 3)
6524 int lfs_setquota(int argc, char **argv)
6527 struct if_quotactl qctl;
6528 char *mnt, *obd_type = (char *)qctl.obd_type;
6529 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6530 struct option long_opts[] = {
6531 { .val = 'b', .name = "block-softlimit",
6532 .has_arg = required_argument },
6533 { .val = 'B', .name = "block-hardlimit",
6534 .has_arg = required_argument },
6535 { .val = 'd', .name = "default", .has_arg = no_argument },
6536 { .val = 'g', .name = "group", .has_arg = required_argument },
6537 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6538 { .val = 'i', .name = "inode-softlimit",
6539 .has_arg = required_argument },
6540 { .val = 'I', .name = "inode-hardlimit",
6541 .has_arg = required_argument },
6542 { .val = 'p', .name = "projid", .has_arg = required_argument },
6543 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6544 { .val = 'u', .name = "user", .has_arg = required_argument },
6545 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6547 unsigned limit_mask = 0;
6549 bool use_default = false;
6552 if (has_times_option(argc, argv))
6553 return lfs_setquota_times(argc, argv);
6555 memset(&qctl, 0, sizeof(qctl));
6556 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
6557 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6558 * so it can be used as a marker that qc_type
6559 * isn't reinitialized from command line */
6561 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
6562 long_opts, NULL)) != -1) {
6565 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6568 goto quota_type_def;
6571 rc = name2uid(&qctl.qc_id, optarg);
6574 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6577 goto quota_type_def;
6580 rc = name2gid(&qctl.qc_id, optarg);
6583 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6586 goto quota_type_def;
6589 rc = name2projid(&qctl.qc_id, optarg);
6592 qctl.qc_id = strtoul(optarg, &endptr, 10);
6593 if (*endptr != '\0') {
6594 fprintf(stderr, "%s setquota: invalid"
6595 " id '%s'\n", progname, optarg);
6600 if (qctl.qc_id == 0) {
6601 fprintf(stderr, "%s setquota: can't set quota"
6602 " for root usr/group/project.\n",
6608 if (qctl.qc_type != ALLQUOTA) {
6610 "%s setquota: only one of -u, -U, -g,"
6611 " -G, -p or -P may be specified\n",
6615 qctl.qc_type = qtype;
6618 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6622 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6623 dqb->dqb_bsoftlimit >>= 10;
6624 limit_mask |= BSLIMIT;
6625 if (dqb->dqb_bsoftlimit &&
6626 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6628 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6629 "See '%s help setquota' or Lustre manual for details\n",
6631 (unsigned long long)dqb->dqb_bsoftlimit,
6635 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6636 dqb->dqb_bhardlimit >>= 10;
6637 limit_mask |= BHLIMIT;
6638 if (dqb->dqb_bhardlimit &&
6639 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6641 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6642 "See '%s help setquota' or Lustre manual for details\n",
6644 (unsigned long long)dqb->dqb_bhardlimit,
6648 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6649 limit_mask |= ISLIMIT;
6650 if (dqb->dqb_isoftlimit &&
6651 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6653 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6654 "See '%s help setquota' or Lustre manual for details\n",
6656 (unsigned long long)dqb->dqb_isoftlimit,
6660 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6661 limit_mask |= IHLIMIT;
6662 if (dqb->dqb_ihardlimit &&
6663 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6665 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6666 "See '%s help setquota' or Lustre manual for details\n",
6668 (unsigned long long)dqb->dqb_ihardlimit,
6673 "%s setquota: unrecognized option '%s'\n",
6674 progname, argv[optind - 1]);
6679 if (qctl.qc_type == ALLQUOTA) {
6681 "%s setquota: either -u or -g must be specified\n",
6686 if (!use_default && limit_mask == 0) {
6688 "%s setquota: at least one limit must be specified\n",
6693 if (use_default && limit_mask != 0) {
6695 "%s setquota: limits should not be specified when"
6696 " using default quota\n",
6701 if (use_default && qctl.qc_id == 0) {
6703 "%s setquota: can not set default quota for root"
6704 " user/group/project\n",
6709 if (optind != argc - 1) {
6711 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6712 progname, argv[optind]);
6719 dqb->dqb_bhardlimit = 0;
6720 dqb->dqb_bsoftlimit = 0;
6721 dqb->dqb_ihardlimit = 0;
6722 dqb->dqb_isoftlimit = 0;
6725 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6726 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6727 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6728 /* sigh, we can't just set blimits/ilimits */
6729 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6730 .qc_type = qctl.qc_type,
6731 .qc_id = qctl.qc_id};
6733 rc = llapi_quotactl(mnt, &tmp_qctl);
6737 if (!(limit_mask & BHLIMIT))
6738 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6739 if (!(limit_mask & BSLIMIT))
6740 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6741 if (!(limit_mask & IHLIMIT))
6742 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6743 if (!(limit_mask & ISLIMIT))
6744 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6746 /* Keep grace times if we have got no softlimit arguments */
6747 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6748 dqb->dqb_valid |= QIF_BTIME;
6749 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6752 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6753 dqb->dqb_valid |= QIF_ITIME;
6754 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6758 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6759 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6761 rc = llapi_quotactl(mnt, &qctl);
6765 "%s setquota: cannot quotactl '%s' '%s': %s",
6767 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6774 /* Converts seconds value into format string
6775 * result is returned in buf
6777 * 1. result is in descenting order: 1w2d3h4m5s
6778 * 2. zero fields are not filled (except for p. 3): 5d1s
6779 * 3. zero seconds value is presented as "0s"
6781 static char * __sec2str(time_t seconds, char *buf)
6783 const char spec[] = "smhdw";
6784 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6789 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
6790 c = seconds / mult[i];
6792 if (c > 0 || (i == 0 && buf == tail))
6793 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
6801 static void sec2str(time_t seconds, char *buf, int rc)
6808 tail = __sec2str(seconds, tail);
6810 if (rc && tail - buf < 39) {
6816 static void diff2str(time_t seconds, char *buf, time_t now)
6822 if (seconds <= now) {
6823 strcpy(buf, "none");
6826 __sec2str(seconds - now, buf);
6829 static void print_quota_title(char *name, struct if_quotactl *qctl,
6830 bool human_readable, bool show_default)
6833 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6834 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6835 "Filesystem", "bquota", "blimit", "bgrace",
6836 "iquota", "ilimit", "igrace");
6838 printf("Disk quotas for %s %s (%cid %u):\n",
6839 qtype_name(qctl->qc_type), name,
6840 *qtype_name(qctl->qc_type), qctl->qc_id);
6841 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6842 "Filesystem", human_readable ? "used" : "kbytes",
6843 "quota", "limit", "grace",
6844 "files", "quota", "limit", "grace");
6848 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6851 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6854 snprintf(buf, buflen, "%5.4gP",
6855 (double)num / ((__u64)1 << 40));
6857 snprintf(buf, buflen, "%5.4gT",
6858 (double)num / (1 << 30));
6860 snprintf(buf, buflen, "%5.4gG",
6861 (double)num / (1 << 20));
6863 snprintf(buf, buflen, "%5.4gM",
6864 (double)num / (1 << 10));
6866 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6870 #define STRBUF_LEN 32
6871 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6872 int rc, bool h, bool show_default)
6878 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6879 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6880 int bover = 0, iover = 0;
6881 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6882 char numbuf[3][STRBUF_LEN];
6884 char strbuf[STRBUF_LEN];
6886 if (dqb->dqb_bhardlimit &&
6887 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6889 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6890 if (dqb->dqb_btime > now) {
6897 if (dqb->dqb_ihardlimit &&
6898 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6900 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6901 if (dqb->dqb_itime > now) {
6909 if (strlen(mnt) > 15)
6910 printf("%s\n%15s", mnt, "");
6912 printf("%15s", mnt);
6915 diff2str(dqb->dqb_btime, timebuf, now);
6916 else if (show_default)
6917 snprintf(timebuf, sizeof(timebuf), "%llu",
6918 (unsigned long long)dqb->dqb_btime);
6920 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6921 strbuf, sizeof(strbuf), h);
6922 if (rc == -EREMOTEIO)
6923 sprintf(numbuf[0], "%s*", strbuf);
6925 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6926 "%s" : "[%s]", strbuf);
6928 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6929 if (type == QC_GENERAL)
6930 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6931 "%s" : "[%s]", strbuf);
6933 sprintf(numbuf[1], "%s", "-");
6935 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6936 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6937 "%s" : "[%s]", strbuf);
6940 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6942 printf(" %7s%c %6s %7s %7s",
6943 numbuf[0], bover ? '*' : ' ', numbuf[1],
6944 numbuf[2], bover > 1 ? timebuf : "-");
6948 diff2str(dqb->dqb_itime, timebuf, now);
6949 else if (show_default)
6950 snprintf(timebuf, sizeof(timebuf), "%llu",
6951 (unsigned long long)dqb->dqb_itime);
6953 snprintf(numbuf[0], sizeof(numbuf),
6954 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
6955 (uintmax_t)dqb->dqb_curinodes);
6957 if (type == QC_GENERAL)
6958 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
6960 (uintmax_t)dqb->dqb_isoftlimit);
6962 sprintf(numbuf[1], "%s", "-");
6964 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
6965 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
6968 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6969 else if (type != QC_OSTIDX)
6970 printf(" %7s%c %6s %7s %7s",
6971 numbuf[0], iover ? '*' : ' ', numbuf[1],
6972 numbuf[2], iover > 1 ? timebuf : "-");
6974 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
6977 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
6978 qctl->qc_cmd == Q_GETOINFO) {
6982 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
6983 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
6984 printf("Block grace time: %s; Inode grace time: %s\n",
6985 bgtimebuf, igtimebuf);
6989 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
6990 bool h, __u64 *total)
6992 int rc = 0, rc1 = 0, count = 0;
6993 __u32 valid = qctl->qc_valid;
6995 rc = llapi_get_obd_count(mnt, &count, is_mdt);
6997 fprintf(stderr, "can not get %s count: %s\n",
6998 is_mdt ? "mdt": "ost", strerror(-rc));
7002 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
7003 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
7004 rc = llapi_quotactl(mnt, qctl);
7006 /* It is remote client case. */
7007 if (rc == -EOPNOTSUPP) {
7014 fprintf(stderr, "quotactl %s%d failed.\n",
7015 is_mdt ? "mdt": "ost", qctl->qc_idx);
7019 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
7020 qctl->qc_valid, 0, h, false);
7021 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
7022 qctl->qc_dqblk.dqb_bhardlimit;
7025 qctl->qc_valid = valid;
7029 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
7030 int verbose, int quiet, bool human_readable,
7033 int rc1 = 0, rc2 = 0, rc3 = 0;
7034 char *obd_type = (char *)qctl->obd_type;
7035 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
7036 __u64 total_ialloc = 0, total_balloc = 0;
7037 bool use_default_for_blk = false;
7038 bool use_default_for_file = false;
7041 rc1 = llapi_quotactl(mnt, qctl);
7045 fprintf(stderr, "%s quotas are not enabled.\n",
7046 qtype_name(qctl->qc_type));
7049 fprintf(stderr, "Permission denied.\n");
7052 /* We already got error message. */
7055 fprintf(stderr, "Unexpected quotactl error: %s\n",
7060 if (!show_default && qctl->qc_id == 0) {
7061 qctl->qc_dqblk.dqb_bhardlimit = 0;
7062 qctl->qc_dqblk.dqb_bsoftlimit = 0;
7063 qctl->qc_dqblk.dqb_ihardlimit = 0;
7064 qctl->qc_dqblk.dqb_isoftlimit = 0;
7065 qctl->qc_dqblk.dqb_btime = 0;
7066 qctl->qc_dqblk.dqb_itime = 0;
7067 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
7070 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
7071 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
7072 use_default_for_blk = true;
7073 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
7076 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
7077 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
7078 use_default_for_file = true;
7079 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7082 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7083 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7084 print_quota_title(name, qctl, human_readable, show_default);
7086 if (rc1 && *obd_type)
7087 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7089 if (qctl->qc_valid != QC_GENERAL)
7092 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
7093 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7094 (QIF_LIMITS|QIF_USAGE));
7096 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7098 if (!show_default && verbose &&
7099 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
7100 char strbuf[STRBUF_LEN];
7102 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7104 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7106 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7108 printf("Total allocated inode limit: %ju, total "
7109 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
7113 if (use_default_for_blk)
7114 printf("%cid %u is using default block quota setting\n",
7115 *qtype_name(qctl->qc_type), qctl->qc_id);
7117 if (use_default_for_file)
7118 printf("%cid %u is using default file quota setting\n",
7119 *qtype_name(qctl->qc_type), qctl->qc_id);
7121 if (rc1 || rc2 || rc3 || inacc)
7122 printf("Some errors happened when getting quota info. "
7123 "Some devices may be not working or deactivated. "
7124 "The data in \"[]\" is inaccurate.\n");
7130 static int lfs_project(int argc, char **argv)
7132 int ret = 0, err = 0, c, i;
7133 struct project_handle_control phc = { 0 };
7134 enum lfs_project_ops_t op;
7137 phc.assign_projid = false;
7138 /* default action */
7139 op = LFS_PROJECT_LIST;
7141 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7144 if (op != LFS_PROJECT_LIST) {
7146 "%s: cannot specify '-c' '-C' '-s' together\n",
7151 op = LFS_PROJECT_CHECK;
7154 if (op != LFS_PROJECT_LIST) {
7156 "%s: cannot specify '-c' '-C' '-s' together\n",
7161 op = LFS_PROJECT_CLEAR;
7164 if (op != LFS_PROJECT_LIST) {
7166 "%s: cannot specify '-c' '-C' '-s' together\n",
7171 phc.set_inherit = true;
7172 op = LFS_PROJECT_SET;
7178 phc.keep_projid = true;
7181 phc.recursive = true;
7184 phc.projid = strtoul(optarg, NULL, 0);
7185 phc.assign_projid = true;
7189 phc.newline = false;
7192 fprintf(stderr, "%s: invalid option '%c'\n",
7198 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7199 op = LFS_PROJECT_SET;
7200 phc.set_projid = true;
7201 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7202 phc.set_projid = true;
7206 case LFS_PROJECT_CHECK:
7207 if (phc.keep_projid) {
7209 "%s: '-k' is useless together with '-c'\n",
7214 case LFS_PROJECT_CLEAR:
7217 "%s: '-0' is useless together with '-C'\n",
7221 if (phc.assign_projid) {
7223 "%s: '-p' is useless together with '-C'\n",
7228 case LFS_PROJECT_SET:
7231 "%s: '-0' is useless together with '-s'\n",
7235 if (phc.keep_projid) {
7237 "%s: '-k' is useless together with '-s'\n",
7245 "%s: '-0' is useless for list operations\n",
7255 fprintf(stderr, "%s: missing file or directory target(s)\n",
7260 for (i = 0; i < argc; i++) {
7262 case LFS_PROJECT_CHECK:
7263 err = lfs_project_check(argv[i], &phc);
7265 case LFS_PROJECT_LIST:
7266 err = lfs_project_list(argv[i], &phc);
7268 case LFS_PROJECT_CLEAR:
7269 err = lfs_project_clear(argv[i], &phc);
7271 case LFS_PROJECT_SET:
7272 err = lfs_project_set(argv[i], &phc);
7284 static int lfs_quota(int argc, char **argv)
7287 char *mnt, *name = NULL;
7288 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
7289 .qc_type = ALLQUOTA };
7290 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
7291 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7293 __u32 valid = QC_GENERAL, idx = 0;
7294 bool human_readable = false;
7295 bool show_default = false;
7298 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
7301 show_default = true;
7306 show_default = true;
7311 show_default = true;
7315 if (qctl.qc_type != ALLQUOTA) {
7317 "%s quota: only one of -u, -g, or -p may be specified\n",
7321 qctl.qc_type = qtype;
7324 qctl.qc_cmd = LUSTRE_Q_GETINFO;
7327 valid = qctl.qc_valid = QC_UUID;
7328 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
7331 valid = qctl.qc_valid = QC_MDTIDX;
7332 idx = qctl.qc_idx = atoi(optarg);
7333 if (idx == 0 && *optarg != '0') {
7335 "%s quota: invalid MDT index '%s'\n",
7341 valid = qctl.qc_valid = QC_OSTIDX;
7342 idx = qctl.qc_idx = atoi(optarg);
7343 if (idx == 0 && *optarg != '0') {
7345 "%s quota: invalid OST index '%s'\n",
7357 human_readable = true;
7360 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7361 progname, argv[optind - 1]);
7366 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7367 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
7368 optind == argc - 1 && !show_default) {
7370 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
7373 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7374 qctl.qc_type = qtype;
7375 qctl.qc_valid = valid;
7376 if (qtype == USRQUOTA) {
7377 qctl.qc_id = geteuid();
7378 rc = uid2name(&name, qctl.qc_id);
7380 qctl.qc_id = getegid();
7381 rc = gid2name(&name, qctl.qc_id);
7382 memset(&qctl.qc_dqblk, 0,
7383 sizeof(qctl.qc_dqblk));
7388 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
7389 human_readable, show_default);
7394 /* lfs quota -u username /path/to/lustre/mount */
7395 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
7396 /* options should be followed by u/g-name and mntpoint */
7397 if ((!show_default && optind + 2 != argc) ||
7398 (show_default && optind + 1 != argc) ||
7399 qctl.qc_type == ALLQUOTA) {
7401 "%s quota: name and mount point must be specified\n",
7406 if (!show_default) {
7407 name = argv[optind++];
7408 switch (qctl.qc_type) {
7410 rc = name2uid(&qctl.qc_id, name);
7413 rc = name2gid(&qctl.qc_id, name);
7416 rc = name2projid(&qctl.qc_id, name);
7423 qctl.qc_valid = QC_GENERAL;
7424 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
7429 qctl.qc_id = strtoul(name, &endptr, 10);
7430 if (*endptr != '\0') {
7431 fprintf(stderr, "%s quota: invalid id '%s'\n",
7436 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
7437 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7443 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
7444 human_readable, show_default);
7447 #endif /* HAVE_SYS_QUOTA_H! */
7449 static int flushctx_ioctl(char *mp)
7453 fd = open(mp, O_RDONLY);
7455 fprintf(stderr, "flushctx: error open %s: %s\n",
7456 mp, strerror(errno));
7460 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7462 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7463 mp, strerror(errno));
7469 static int lfs_flushctx(int argc, char **argv)
7471 int kdestroy = 0, c;
7472 char mntdir[PATH_MAX] = {'\0'};
7476 while ((c = getopt(argc, argv, "k")) != -1) {
7482 fprintf(stderr, "error: %s: option '-%c' "
7483 "unrecognized\n", argv[0], c);
7489 if ((rc = system("kdestroy > /dev/null")) != 0) {
7490 rc = WEXITSTATUS(rc);
7491 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7495 if (optind >= argc) {
7496 /* flush for all mounted lustre fs. */
7497 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7498 /* Check if we have a mount point */
7499 if (mntdir[0] == '\0')
7502 if (flushctx_ioctl(mntdir))
7505 mntdir[0] = '\0'; /* avoid matching in next loop */
7508 /* flush fs as specified */
7509 while (optind < argc) {
7510 if (flushctx_ioctl(argv[optind++]))
7517 static int lfs_changelog(int argc, char **argv)
7519 void *changelog_priv;
7520 struct changelog_rec *rec;
7521 long long startrec = 0, endrec = 0;
7523 struct option long_opts[] = {
7524 { .val = 'f', .name = "follow", .has_arg = no_argument },
7526 char short_opts[] = "f";
7529 while ((rc = getopt_long(argc, argv, short_opts,
7530 long_opts, NULL)) != -1) {
7537 "%s changelog: unrecognized option '%s'\n",
7538 progname, argv[optind - 1]);
7542 if (optind >= argc) {
7543 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7548 mdd = argv[optind++];
7550 startrec = strtoll(argv[optind++], NULL, 10);
7552 endrec = strtoll(argv[optind++], NULL, 10);
7554 rc = llapi_changelog_start(&changelog_priv,
7555 CHANGELOG_FLAG_BLOCK |
7556 CHANGELOG_FLAG_JOBID |
7557 CHANGELOG_FLAG_EXTRA_FLAGS |
7558 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7561 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7562 progname, strerror(errno = -rc));
7566 rc = llapi_changelog_set_xflags(changelog_priv,
7567 CHANGELOG_EXTRA_FLAG_UIDGID |
7568 CHANGELOG_EXTRA_FLAG_NID |
7569 CHANGELOG_EXTRA_FLAG_OMODE |
7570 CHANGELOG_EXTRA_FLAG_XATTR);
7573 "%s changelog: cannot set xflags for changelog: %s\n",
7574 progname, strerror(errno = -rc));
7578 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7582 if (endrec && rec->cr_index > endrec) {
7583 llapi_changelog_free(&rec);
7586 if (rec->cr_index < startrec) {
7587 llapi_changelog_free(&rec);
7591 secs = rec->cr_time >> 30;
7592 gmtime_r(&secs, &ts);
7593 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7594 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7595 changelog_type2str(rec->cr_type),
7596 ts.tm_hour, ts.tm_min, ts.tm_sec,
7597 (int)(rec->cr_time & ((1 << 30) - 1)),
7598 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7599 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7601 if (rec->cr_flags & CLF_JOBID) {
7602 struct changelog_ext_jobid *jid =
7603 changelog_rec_jobid(rec);
7605 if (jid->cr_jobid[0] != '\0')
7606 printf(" j=%s", jid->cr_jobid);
7609 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7610 struct changelog_ext_extra_flags *ef =
7611 changelog_rec_extra_flags(rec);
7613 printf(" ef=0x%llx",
7614 (unsigned long long)ef->cr_extra_flags);
7616 if (ef->cr_extra_flags & CLFE_UIDGID) {
7617 struct changelog_ext_uidgid *uidgid =
7618 changelog_rec_uidgid(rec);
7620 printf(" u=%llu:%llu",
7621 (unsigned long long)uidgid->cr_uid,
7622 (unsigned long long)uidgid->cr_gid);
7624 if (ef->cr_extra_flags & CLFE_NID) {
7625 struct changelog_ext_nid *nid =
7626 changelog_rec_nid(rec);
7629 libcfs_nid2str(nid->cr_nid));
7632 if (ef->cr_extra_flags & CLFE_OPEN) {
7633 struct changelog_ext_openmode *omd =
7634 changelog_rec_openmode(rec);
7635 char mode[] = "---";
7637 /* exec mode must be exclusive */
7638 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7641 if (omd->cr_openflags & MDS_FMODE_READ)
7643 if (omd->cr_openflags &
7650 if (strcmp(mode, "---") != 0)
7651 printf(" m=%s", mode);
7655 if (ef->cr_extra_flags & CLFE_XATTR) {
7656 struct changelog_ext_xattr *xattr =
7657 changelog_rec_xattr(rec);
7659 if (xattr->cr_xattr[0] != '\0')
7660 printf(" x=%s", xattr->cr_xattr);
7664 if (rec->cr_namelen)
7665 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7666 rec->cr_namelen, changelog_rec_name(rec));
7668 if (rec->cr_flags & CLF_RENAME) {
7669 struct changelog_ext_rename *rnm =
7670 changelog_rec_rename(rec);
7672 if (!fid_is_zero(&rnm->cr_sfid))
7673 printf(" s="DFID" sp="DFID" %.*s",
7674 PFID(&rnm->cr_sfid),
7675 PFID(&rnm->cr_spfid),
7676 (int)changelog_rec_snamelen(rec),
7677 changelog_rec_sname(rec));
7681 llapi_changelog_free(&rec);
7684 llapi_changelog_fini(&changelog_priv);
7687 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7688 progname, strerror(errno = -rc));
7690 return (rc == 1 ? 0 : rc);
7693 static int lfs_changelog_clear(int argc, char **argv)
7701 endrec = strtoll(argv[3], NULL, 10);
7703 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7706 fprintf(stderr, "%s: record out of range: %llu\n",
7708 else if (rc == -ENOENT)
7709 fprintf(stderr, "%s: no changelog user: %s\n",
7712 fprintf(stderr, "%s error: %s\n", argv[0],
7721 static int lfs_fid2path(int argc, char **argv)
7723 struct option long_opts[] = {
7724 { .val = 'c', .name = "cur", .has_arg = no_argument },
7725 { .val = 'l', .name = "link", .has_arg = required_argument },
7726 { .val = 'r', .name = "rec", .has_arg = required_argument },
7728 char short_opts[] = "cl:r:";
7729 char *device, *fid, *path;
7730 long long recno = -1;
7735 char *endptr = NULL;
7737 while ((rc = getopt_long(argc, argv, short_opts,
7738 long_opts, NULL)) != -1) {
7744 linkno = strtol(optarg, &endptr, 10);
7745 if (*endptr != '\0') {
7747 "%s fid2path: invalid linkno '%s'\n",
7753 recno = strtoll(optarg, &endptr, 10);
7754 if (*endptr != '\0') {
7756 "%s fid2path: invalid recno '%s'\n",
7763 "%s fid2path: unrecognized option '%s'\n",
7764 progname, argv[optind - 1]);
7771 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7776 device = argv[optind++];
7777 path = calloc(1, PATH_MAX);
7781 "%s fid2path: cannot allocate memory for path: %s\n",
7782 progname, strerror(-rc));
7787 while (optind < argc) {
7788 fid = argv[optind++];
7790 lnktmp = (linkno >= 0) ? linkno : 0;
7792 int oldtmp = lnktmp;
7793 long long rectmp = recno;
7795 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7799 "%s fid2path: cannot find '%s': %s\n",
7800 progname, fid, strerror(errno = -rc2));
7807 fprintf(stdout, "%lld ", rectmp);
7808 if (device[0] == '/') {
7809 fprintf(stdout, "%s", device);
7810 if (device[strlen(device) - 1] != '/')
7811 fprintf(stdout, "/");
7812 } else if (path[0] == '\0') {
7813 fprintf(stdout, "/");
7815 fprintf(stdout, "%s\n", path);
7818 /* specified linkno */
7820 if (oldtmp == lnktmp)
7830 static int lfs_path2fid(int argc, char **argv)
7832 struct option long_opts[] = {
7833 { .val = 'p', .name = "parents", .has_arg = no_argument },
7836 const char short_opts[] = "p";
7837 const char *sep = "";
7840 bool show_parents = false;
7842 while ((rc = getopt_long(argc, argv, short_opts,
7843 long_opts, NULL)) != -1) {
7846 show_parents = true;
7850 "%s path2fid: unrecognized option '%s'\n",
7851 progname, argv[optind - 1]);
7856 if (optind > argc - 1) {
7857 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7861 else if (optind < argc - 1)
7865 for (path = argv + optind; *path != NULL; path++) {
7867 if (!show_parents) {
7868 err = llapi_path2fid(*path, &fid);
7870 printf("%s%s"DFID"\n",
7871 *sep != '\0' ? *path : "", sep,
7874 char name[NAME_MAX + 1];
7875 unsigned int linkno = 0;
7877 while ((err = llapi_path2parent(*path, linkno, &fid,
7878 name, sizeof(name))) == 0) {
7879 if (*sep != '\0' && linkno == 0)
7880 printf("%s%s", *path, sep);
7882 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7887 /* err == -ENODATA is end-of-loop */
7888 if (linkno > 0 && err == -ENODATA) {
7896 "%s path2fid: cannot get %sfid for '%s': %s\n",
7897 progname, show_parents ? "parent " : "", *path,
7909 #define MAX_ERRNO 4095
7910 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
7912 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
7916 rc = llapi_rmfid(device, fa);
7918 fprintf(stderr, "rmfid(): rc = %d\n", rc);
7922 for (k = 0; k < fa->fa_nr; k++) {
7923 rc = (__s32)fa->fa_fids[k].f_ver;
7924 if (!IS_ERR_VALUE(rc))
7930 fa->fa_fids[k].f_ver = 0;
7931 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
7932 PFID(&fa->fa_fids[k]), rc);
7938 static int lfs_rmfid(int argc, char **argv)
7940 char *fidstr, *device;
7941 int rc = 0, rc2, nr;
7942 struct fid_array *fa;
7944 if (optind > argc - 1) {
7945 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
7949 device = argv[optind++];
7952 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
7958 while (optind < argc) {
7961 fidstr = argv[optind++];
7962 while (*fidstr == '[')
7964 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
7966 fprintf(stderr, "unrecognized FID: %s\n",
7971 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
7972 /* start another batch */
7973 rc2 = lfs_rmfid_and_show_errors(device, fa);
7980 rc2 = lfs_rmfid_and_show_errors(device, fa);
7988 static int lfs_data_version(int argc, char **argv)
7995 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
7998 fprintf(stderr, "%s data_version: FILE must be specified\n",
8003 while ((c = getopt(argc, argv, "nrw")) != -1) {
8006 data_version_flags = 0;
8009 data_version_flags |= LL_DV_RD_FLUSH;
8012 data_version_flags |= LL_DV_WR_FLUSH;
8016 "%s data_version: unrecognized option '%s'\n",
8017 progname, argv[optind - 1]);
8021 if (optind == argc) {
8022 fprintf(stderr, "%s data_version: FILE must be specified\n",
8027 path = argv[optind];
8028 fd = open(path, O_RDONLY);
8031 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
8032 progname, path, strerror(-rc));
8036 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
8039 "%s data_version: cannot get version for '%s': %s\n",
8040 progname, path, strerror(-rc));
8042 printf("%ju" "\n", (uintmax_t)data_version);
8048 static int lfs_hsm_state(int argc, char **argv)
8053 struct hsm_user_state hus;
8061 rc = llapi_hsm_state_get(path, &hus);
8063 fprintf(stderr, "can't get hsm state for %s: %s\n",
8064 path, strerror(errno = -rc));
8068 /* Display path name and status flags */
8069 printf("%s: (0x%08x)", path, hus.hus_states);
8071 if (hus.hus_states & HS_RELEASED)
8072 printf(" released");
8073 if (hus.hus_states & HS_EXISTS)
8075 if (hus.hus_states & HS_DIRTY)
8077 if (hus.hus_states & HS_ARCHIVED)
8078 printf(" archived");
8079 /* Display user-settable flags */
8080 if (hus.hus_states & HS_NORELEASE)
8081 printf(" never_release");
8082 if (hus.hus_states & HS_NOARCHIVE)
8083 printf(" never_archive");
8084 if (hus.hus_states & HS_LOST)
8085 printf(" lost_from_hsm");
8087 if (hus.hus_archive_id != 0)
8088 printf(", archive_id:%d", hus.hus_archive_id);
8091 } while (++i < argc);
8096 #define LFS_HSM_SET 0
8097 #define LFS_HSM_CLEAR 1
8100 * Generic function to set or clear HSM flags.
8101 * Used by hsm_set and hsm_clear.
8103 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8105 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8107 struct option long_opts[] = {
8108 { .val = 'A', .name = "archived", .has_arg = no_argument },
8109 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8110 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8111 { .val = 'e', .name = "exists", .has_arg = no_argument },
8112 { .val = 'l', .name = "lost", .has_arg = no_argument },
8113 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8114 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8116 char short_opts[] = "lraAdei:";
8120 __u32 archive_id = 0;
8126 while ((c = getopt_long(argc, argv, short_opts,
8127 long_opts, NULL)) != -1) {
8133 mask |= HS_NOARCHIVE;
8136 mask |= HS_ARCHIVED;
8139 mask |= HS_NORELEASE;
8148 archive_id = strtol(optarg, &end, 10);
8150 fprintf(stderr, "invalid archive_id: '%s'\n",
8158 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8159 argv[0], argv[optind - 1]);
8164 /* User should have specified a flag */
8168 while (optind < argc) {
8170 path = argv[optind];
8172 /* If mode == 0, this means we apply the mask. */
8173 if (mode == LFS_HSM_SET)
8174 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8176 rc = llapi_hsm_state_set(path, 0, mask, 0);
8179 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8180 path, strerror(errno = -rc));
8189 static int lfs_hsm_action(int argc, char **argv)
8194 struct hsm_current_action hca;
8195 struct hsm_extent he;
8196 enum hsm_user_action hua;
8197 enum hsm_progress_states hps;
8205 rc = llapi_hsm_current_action(path, &hca);
8207 fprintf(stderr, "can't get hsm action for %s: %s\n",
8208 path, strerror(errno = -rc));
8211 he = hca.hca_location;
8212 hua = hca.hca_action;
8213 hps = hca.hca_state;
8215 printf("%s: %s", path, hsm_user_action2name(hua));
8217 /* Skip file without action */
8218 if (hca.hca_action == HUA_NONE) {
8223 printf(" %s ", hsm_progress_state2name(hps));
8225 if ((hps == HPS_RUNNING) &&
8226 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8227 printf("(%llu bytes moved)\n",
8228 (unsigned long long)he.length);
8229 else if ((he.offset + he.length) == LUSTRE_EOF)
8230 printf("(from %llu to EOF)\n",
8231 (unsigned long long)he.offset);
8233 printf("(from %llu to %llu)\n",
8234 (unsigned long long)he.offset,
8235 (unsigned long long)(he.offset + he.length));
8237 } while (++i < argc);
8242 static int lfs_hsm_set(int argc, char **argv)
8244 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8247 static int lfs_hsm_clear(int argc, char **argv)
8249 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8253 * Check file state and return its fid, to be used by lfs_hsm_request().
8255 * \param[in] file Path to file to check
8256 * \param[in,out] fid Pointer to allocated lu_fid struct.
8257 * \param[in,out] last_dev Pointer to last device id used.
8259 * \return 0 on success.
8261 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8267 rc = lstat(file, &st);
8269 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8272 /* Checking for regular file as archiving as posix copytool
8273 * rejects archiving files other than regular files
8275 if (!S_ISREG(st.st_mode)) {
8276 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8279 /* A request should be ... */
8280 if (*last_dev != st.st_dev && *last_dev != 0) {
8281 fprintf(stderr, "All files should be "
8282 "on the same filesystem: %s\n", file);
8285 *last_dev = st.st_dev;
8287 rc = llapi_path2fid(file, fid);
8289 fprintf(stderr, "Cannot read FID of %s: %s\n",
8290 file, strerror(-rc));
8296 /* Fill an HSM HUR item with a given file name.
8298 * If mntpath is set, then the filename is actually a FID, and no
8299 * lookup on the filesystem will be performed.
8301 * \param[in] hur the user request to fill
8302 * \param[in] idx index of the item inside the HUR to fill
8303 * \param[in] mntpath mountpoint of Lustre
8304 * \param[in] fname filename (if mtnpath is NULL)
8305 * or FID (if mntpath is set)
8306 * \param[in] last_dev pointer to last device id used
8308 * \retval 0 on success
8309 * \retval CMD_HELP or a negative errno on error
8311 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8312 const char *mntpath, const char *fname,
8315 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8318 hui->hui_extent.length = -1;
8320 if (mntpath != NULL) {
8323 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
8327 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8332 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8336 hur->hur_request.hr_itemcount++;
8341 static int lfs_hsm_request(int argc, char **argv, int action)
8343 struct option long_opts[] = {
8344 { .val = 'a', .name = "archive", .has_arg = required_argument },
8345 { .val = 'D', .name = "data", .has_arg = required_argument },
8346 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8347 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8350 char short_opts[] = "l:D:a:m:";
8351 struct hsm_user_request *hur, *oldhur;
8356 char *filelist = NULL;
8357 char fullpath[PATH_MAX];
8358 char *opaque = NULL;
8362 int nbfile_alloc = 0;
8363 char *some_file = NULL;
8364 char *mntpath = NULL;
8370 while ((c = getopt_long(argc, argv, short_opts,
8371 long_opts, NULL)) != -1) {
8380 if (action != HUA_ARCHIVE &&
8381 action != HUA_REMOVE) {
8383 "error: -a is supported only "
8384 "when archiving or removing\n");
8387 archive_id = atoi(optarg);
8390 if (some_file == NULL) {
8392 some_file = strdup(optarg);
8398 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8399 argv[0], argv[optind - 1]);
8404 /* All remaining args are files, so we have at least nbfile */
8405 nbfile = argc - optind;
8407 if ((nbfile == 0) && (filelist == NULL))
8411 opaque_len = strlen(opaque);
8413 /* Alloc the request structure with enough place to store all files
8414 * from command line. */
8415 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8417 fprintf(stderr, "Cannot create the request: %s\n",
8421 nbfile_alloc = nbfile;
8423 hur->hur_request.hr_action = action;
8424 hur->hur_request.hr_archive_id = archive_id;
8425 hur->hur_request.hr_flags = 0;
8427 /* All remaining args are files, add them */
8428 if (nbfile != 0 && some_file == NULL)
8429 some_file = strdup(argv[optind]);
8431 for (i = 0; i < nbfile; i++) {
8432 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8438 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8440 /* If a filelist was specified, read the filelist from it. */
8441 if (filelist != NULL) {
8442 fp = fopen(filelist, "r");
8444 fprintf(stderr, "Cannot read the file list %s: %s\n",
8445 filelist, strerror(errno));
8450 while ((rc = getline(&line, &len, fp)) != -1) {
8451 /* If allocated buffer was too small, get something
8453 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8456 nbfile_alloc = nbfile_alloc * 2 + 1;
8458 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8461 fprintf(stderr, "hsm: cannot allocate "
8462 "the request: %s\n",
8469 size = hur_len(oldhur);
8471 fprintf(stderr, "hsm: cannot allocate "
8472 "%u files + %u bytes data\n",
8473 oldhur->hur_request.hr_itemcount,
8474 oldhur->hur_request.hr_data_len);
8481 memcpy(hur, oldhur, size);
8486 if (line[strlen(line) - 1] == '\n')
8487 line[strlen(line) - 1] = '\0';
8489 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8490 mntpath, line, &last_dev);
8496 if (some_file == NULL) {
8506 /* If a --data was used, add it to the request */
8507 hur->hur_request.hr_data_len = opaque_len;
8509 memcpy(hur_data(hur), opaque, opaque_len);
8511 /* Send the HSM request */
8512 if (realpath(some_file, fullpath) == NULL) {
8513 fprintf(stderr, "Could not find path '%s': %s\n",
8514 some_file, strerror(errno));
8516 rc = llapi_hsm_request(fullpath, hur);
8518 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8519 some_file, strerror(-rc));
8529 static int lfs_hsm_archive(int argc, char **argv)
8531 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8534 static int lfs_hsm_restore(int argc, char **argv)
8536 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8539 static int lfs_hsm_release(int argc, char **argv)
8541 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8544 static int lfs_hsm_remove(int argc, char **argv)
8546 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8549 static int lfs_hsm_cancel(int argc, char **argv)
8551 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8554 static int lfs_swap_layouts(int argc, char **argv)
8559 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8560 SWAP_LAYOUTS_KEEP_MTIME |
8561 SWAP_LAYOUTS_KEEP_ATIME);
8564 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8566 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8568 int lfs_get_mode(const char *string)
8570 enum lock_mode_user mode;
8572 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8573 if (lock_mode_names[mode] == NULL)
8575 if (strcmp(string, lock_mode_names[mode]) == 0)
8582 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8584 enum lu_ladvise_type advice;
8587 advice < ARRAY_SIZE(ladvise_names); advice++) {
8588 if (ladvise_names[advice] == NULL)
8590 if (strcmp(string, ladvise_names[advice]) == 0)
8594 return LU_LADVISE_INVALID;
8597 static int lfs_ladvise(int argc, char **argv)
8599 struct option long_opts[] = {
8600 { .val = 'a', .name = "advice", .has_arg = required_argument },
8601 { .val = 'b', .name = "background", .has_arg = no_argument },
8602 { .val = 'e', .name = "end", .has_arg = required_argument },
8603 { .val = 'l', .name = "length", .has_arg = required_argument },
8604 { .val = 'm', .name = "mode", .has_arg = required_argument },
8605 { .val = 's', .name = "start", .has_arg = required_argument },
8606 { .val = 'u', .name = "unset", .has_arg = no_argument },
8608 char short_opts[] = "a:be:l:m:s:u";
8613 struct llapi_lu_ladvise advice;
8614 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8615 unsigned long long start = 0;
8616 unsigned long long end = LUSTRE_EOF;
8617 unsigned long long length = 0;
8618 unsigned long long size_units;
8619 unsigned long long flags = 0;
8623 while ((c = getopt_long(argc, argv, short_opts,
8624 long_opts, NULL)) != -1) {
8627 advice_type = lfs_get_ladvice(optarg);
8628 if (advice_type == LU_LADVISE_INVALID) {
8629 fprintf(stderr, "%s: invalid advice type "
8630 "'%s'\n", argv[0], optarg);
8631 fprintf(stderr, "Valid types:");
8633 for (advice_type = 0;
8634 advice_type < ARRAY_SIZE(ladvise_names);
8636 if (ladvise_names[advice_type] == NULL)
8638 fprintf(stderr, " %s",
8639 ladvise_names[advice_type]);
8641 fprintf(stderr, "\n");
8654 rc = llapi_parse_size(optarg, &end,
8657 fprintf(stderr, "%s: bad end offset '%s'\n",
8664 rc = llapi_parse_size(optarg, &start,
8667 fprintf(stderr, "%s: bad start offset "
8668 "'%s'\n", argv[0], optarg);
8674 rc = llapi_parse_size(optarg, &length,
8677 fprintf(stderr, "%s: bad length '%s'\n",
8683 mode = lfs_get_mode(optarg);
8685 fprintf(stderr, "%s: bad mode '%s', valid "
8686 "modes are READ or WRITE\n",
8694 fprintf(stderr, "%s: option '%s' unrecognized\n",
8695 argv[0], argv[optind - 1]);
8700 if (advice_type == LU_LADVISE_INVALID) {
8701 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8702 fprintf(stderr, "Valid types:");
8703 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8705 if (ladvise_names[advice_type] == NULL)
8707 fprintf(stderr, " %s", ladvise_names[advice_type]);
8709 fprintf(stderr, "\n");
8713 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8714 fprintf(stderr, "%s: Lock no expand advice is a per file "
8715 "descriptor advice, so when called from lfs, "
8716 "it does nothing.\n", argv[0]);
8720 if (argc <= optind) {
8721 fprintf(stderr, "%s: please give one or more file names\n",
8726 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8727 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8732 if (end == LUSTRE_EOF && length != 0)
8733 end = start + length;
8736 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8737 argv[0], start, end);
8741 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8742 fprintf(stderr, "%s: mode is only valid with lockahead\n",
8747 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
8748 fprintf(stderr, "%s: mode is required with lockahead\n",
8753 while (optind < argc) {
8756 path = argv[optind++];
8758 fd = open(path, O_RDONLY);
8760 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8761 argv[0], path, strerror(errno));
8766 advice.lla_start = start;
8767 advice.lla_end = end;
8768 advice.lla_advice = advice_type;
8769 advice.lla_value1 = 0;
8770 advice.lla_value2 = 0;
8771 advice.lla_value3 = 0;
8772 advice.lla_value4 = 0;
8773 if (advice_type == LU_LADVISE_LOCKAHEAD) {
8774 advice.lla_lockahead_mode = mode;
8775 advice.lla_peradvice_flags = flags;
8778 rc2 = llapi_ladvise(fd, flags, 1, &advice);
8781 fprintf(stderr, "%s: cannot give advice '%s' to file "
8782 "'%s': %s\n", argv[0],
8783 ladvise_names[advice_type],
8784 path, strerror(errno));
8790 if (rc == 0 && rc2 < 0)
8796 static const char *const heat_names[] = LU_HEAT_NAMES;
8798 static int lfs_heat_get(int argc, char **argv)
8800 struct lu_heat *heat;
8809 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
8811 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8816 while (optind < argc) {
8817 path = argv[optind++];
8819 fd = open(path, O_RDONLY);
8821 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8822 argv[0], path, strerror(errno));
8827 heat->lh_count = OBD_HEAT_COUNT;
8828 rc2 = llapi_heat_get(fd, heat);
8831 fprintf(stderr, "%s: cannot get heat of file '%s'"
8832 ": %s\n", argv[0], path, strerror(errno));
8836 printf("flags: %x\n", heat->lh_flags);
8837 for (i = 0; i < heat->lh_count; i++)
8838 printf("%s: %llu\n", heat_names[i],
8839 (unsigned long long)heat->lh_heat[i]);
8841 if (rc == 0 && rc2 < 0)
8849 static int lfs_heat_set(int argc, char **argv)
8851 struct option long_opts[] = {
8852 { .val = 'c', .name = "clear", .has_arg = no_argument },
8853 { .val = 'o', .name = "off", .has_arg = no_argument },
8854 { .val = 'O', .name = "on", .has_arg = no_argument },
8856 enum lu_heat_flag flags = 0;
8866 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
8869 flags |= LU_HEAT_FLAG_CLEAR;
8872 flags |= LU_HEAT_FLAG_CLEAR;
8873 flags |= LU_HEAT_FLAG_OFF;
8876 flags &= ~LU_HEAT_FLAG_OFF;
8881 fprintf(stderr, "%s: option '%s' unrecognized\n",
8882 argv[0], argv[optind - 1]);
8887 if (argc <= optind) {
8888 fprintf(stderr, "%s: please give one or more file names\n",
8893 while (optind < argc) {
8894 path = argv[optind++];
8896 fd = open(path, O_RDONLY);
8898 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8899 argv[0], path, strerror(errno));
8904 rc2 = llapi_heat_set(fd, flags);
8907 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8908 ": %s\n", argv[0], path, strerror(errno));
8912 if (rc == 0 && rc2 < 0)
8918 /** The input string contains a comma delimited list of component ids and
8919 * ranges, for example "1,2-4,7".
8921 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8923 bool end_of_loop = false;
8931 while (!end_of_loop) {
8935 char *endptr = NULL;
8938 ptr = strchrnul(arg, ',');
8939 end_of_loop = *ptr == '\0';
8942 start_index = strtol(arg, &endptr, 0);
8943 if (endptr == arg) /* no data at all */
8945 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
8947 if (start_index < 0)
8950 end_index = start_index;
8951 if (*endptr == '-') {
8952 end_index = strtol(endptr + 1, &endptr, 0);
8953 if (*endptr != '\0')
8955 if (end_index < start_index)
8959 for (i = start_index; i <= end_index && size > 0; i++) {
8962 /* remove duplicate */
8963 for (j = 0; j < nr; j++) {
8967 if (j == nr) { /* no duplicate */
8973 if (size == 0 && i < end_index)
8980 if (!end_of_loop && ptr != NULL)
8983 return rc < 0 ? rc : nr;
8987 * struct verify_mirror_id - Mirror id to be verified.
8988 * @mirror_id: A specified mirror id.
8989 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
8991 struct verify_mirror_id {
8997 * compare_mirror_ids() - Compare mirror ids.
8998 * @layout: Mirror component list.
8999 * @cbdata: Callback data in verify_mirror_id structure.
9001 * This is a callback function called by llapi_layout_comp_iterate()
9002 * to compare the specified mirror id with the one in the current
9003 * component of @layout. If they are the same, then the specified
9004 * mirror id is valid.
9006 * Return: a negative error code on failure or
9007 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
9008 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
9011 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
9013 struct verify_mirror_id *mirror_id_cbdata =
9014 (struct verify_mirror_id *)cbdata;
9018 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9022 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9023 progname, strerror(errno));
9027 if (mirror_id_cbdata->mirror_id == mirror_id) {
9028 mirror_id_cbdata->is_valid_id = true;
9029 return LLAPI_LAYOUT_ITER_STOP;
9032 return LLAPI_LAYOUT_ITER_CONT;
9036 * verify_mirror_ids() - Verify specified mirror ids.
9037 * @fname: Mirrored file name.
9038 * @mirror_ids: Specified mirror ids to be verified.
9039 * @ids_nr: Number of specified mirror ids.
9041 * This function verifies that specified @mirror_ids are valid
9042 * in the mirrored file @fname.
9044 * Return: 0 on success or a negative error code on failure.
9047 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
9049 struct llapi_layout *layout = NULL;
9050 struct verify_mirror_id mirror_id_cbdata = { 0 };
9061 if (stat(fname, &stbuf) < 0) {
9062 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9063 progname, fname, strerror(errno));
9068 if (!S_ISREG(stbuf.st_mode)) {
9069 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9075 fd = open(fname, O_DIRECT | O_RDONLY);
9077 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9078 progname, fname, strerror(errno));
9083 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9085 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9086 progname, fname, strerror(errno));
9090 layout = llapi_layout_get_by_fd(fd, 0);
9091 if (layout == NULL) {
9092 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9093 progname, fname, strerror(errno));
9095 llapi_lease_release(fd);
9099 rc = llapi_layout_flags_get(layout, &flr_state);
9101 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9102 progname, fname, strerror(errno));
9107 flr_state &= LCM_FL_FLR_MASK;
9108 switch (flr_state) {
9111 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9112 progname, fname, llapi_layout_flags_string(flr_state));
9119 for (i = 0; i < ids_nr; i++) {
9120 mirror_id_cbdata.mirror_id = mirror_ids[i];
9121 mirror_id_cbdata.is_valid_id = false;
9123 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9128 "%s: '%s' failed to verify mirror id: %u.\n",
9129 progname, fname, mirror_ids[i]);
9133 if (!mirror_id_cbdata.is_valid_id) {
9136 "%s: '%s' invalid specified mirror id: %u.\n",
9137 progname, fname, mirror_ids[i]);
9143 llapi_layout_free(layout);
9144 llapi_lease_release(fd);
9152 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9153 __u16 *mirror_ids, int ids_nr)
9155 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9156 struct llapi_layout *layout;
9167 if (stat(fname, &stbuf) < 0) {
9168 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9169 progname, fname, strerror(errno));
9173 if (!S_ISREG(stbuf.st_mode)) {
9174 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9180 fd = open(fname, O_DIRECT | O_RDWR);
9182 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9183 progname, fname, strerror(errno));
9188 layout = llapi_layout_get_by_fd(fd, 0);
9189 if (layout == NULL) {
9190 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9191 progname, fname, strerror(errno));
9196 rc = llapi_layout_flags_get(layout, &flr_state);
9198 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9199 progname, fname, strerror(errno));
9204 flr_state &= LCM_FL_FLR_MASK;
9205 if (flr_state == LCM_FL_NONE) {
9207 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9212 /* get stale component info */
9213 comp_size = llapi_mirror_find_stale(layout, comp_array,
9214 ARRAY_SIZE(comp_array),
9215 mirror_ids, ids_nr);
9216 if (comp_size <= 0) {
9221 ioc->lil_mode = LL_LEASE_WRLCK;
9222 ioc->lil_flags = LL_LEASE_RESYNC;
9223 rc = llapi_lease_set(fd, ioc);
9225 if (rc == -EALREADY)
9229 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9230 progname, fname, strerror(-rc));
9234 /* get the read range [start, end) */
9235 start = comp_array[0].lrc_start;
9236 end = comp_array[0].lrc_end;
9237 for (idx = 1; idx < comp_size; idx++) {
9238 if (comp_array[idx].lrc_start < start)
9239 start = comp_array[idx].lrc_start;
9240 if (end < comp_array[idx].lrc_end)
9241 end = comp_array[idx].lrc_end;
9244 rc = llapi_lease_check(fd);
9245 if (rc != LL_LEASE_WRLCK) {
9246 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9251 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9254 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9255 progname, fname, strerror(-rc));
9257 /* need to do the lease unlock even resync fails */
9258 ioc->lil_mode = LL_LEASE_UNLCK;
9259 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9261 for (idx = 0; idx < comp_size; idx++) {
9262 if (comp_array[idx].lrc_synced) {
9263 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9268 rc2 = llapi_lease_set(fd, ioc);
9270 * llapi_lease_set returns lease mode when it request to unlock
9274 /* rc2 == 0 means lost lease lock */
9275 if (rc2 == 0 && rc == 0)
9277 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9279 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9283 llapi_layout_free(layout);
9290 static inline int lfs_mirror_resync(int argc, char **argv)
9292 struct ll_ioc_lease *ioc = NULL;
9293 __u16 mirror_ids[128] = { 0 };
9298 struct option long_opts[] = {
9299 { .val = 'o', .name = "only", .has_arg = required_argument },
9302 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9305 rc = parse_mirror_ids(mirror_ids,
9306 sizeof(mirror_ids) / sizeof(__u16),
9310 "%s: bad mirror ids '%s'.\n",
9317 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9318 argv[0], argv[optind - 1]);
9324 if (argc == optind) {
9325 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9330 if (ids_nr > 0 && argc > optind + 1) {
9332 "%s: option '--only' cannot be used upon multiple files.\n",
9340 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9345 /* set the lease on the file */
9346 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9348 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9349 argv[0], strerror(errno));
9354 for (; optind < argc; optind++) {
9355 rc = lfs_mirror_resync_file(argv[optind], ioc,
9356 mirror_ids, ids_nr);
9357 /* ignore previous file's error, continue with next file */
9360 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9368 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9370 struct llapi_layout *layout;
9373 layout = llapi_layout_get_by_fd(fd, 0);
9374 if (layout == NULL) {
9375 fprintf(stderr, "could not get layout.\n");
9379 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9381 fprintf(stderr, "failed to iterate layout\n");
9382 llapi_layout_free(layout);
9385 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9386 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9387 llapi_layout_free(layout);
9391 llapi_layout_free(layout);
9397 * Check whether two files are the same file
9398 * \retval 0 same file
9399 * \retval 1 not the same file
9400 * \retval <0 error code
9402 static inline int check_same_file(const char *f1, const char *f2)
9407 if (stat(f1, &stbuf1) < 0) {
9408 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9409 progname, f1, strerror(errno));
9413 if (stat(f2, &stbuf2) < 0) {
9414 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9415 progname, f2, strerror(errno));
9419 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9420 stbuf1.st_ino == stbuf2.st_ino)
9426 static inline int lfs_mirror_read(int argc, char **argv)
9429 __u16 mirror_id = 0;
9430 const char *outfile = NULL;
9436 const size_t buflen = 4 << 20;
9438 struct option long_opts[] = {
9439 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9440 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9443 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9448 mirror_id = strtoul(optarg, &end, 0);
9449 if (*end != '\0' || mirror_id == 0) {
9451 "%s %s: invalid mirror ID '%s'\n",
9452 progname, argv[0], optarg);
9460 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9461 progname, argv[optind - 1]);
9466 if (argc == optind) {
9467 fprintf(stderr, "%s %s: no mirrored file provided\n",
9470 } else if (argc > optind + 1) {
9471 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9475 if (mirror_id == 0) {
9476 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9481 /* open mirror file */
9482 fname = argv[optind];
9485 rc = check_same_file(fname, outfile);
9488 "%s %s: output file cannot be the mirrored file\n",
9496 fd = open(fname, O_DIRECT | O_RDONLY);
9498 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9499 progname, argv[0], fname, strerror(errno));
9503 /* verify mirror id */
9504 rc = verify_mirror_id_by_fd(fd, mirror_id);
9507 "%s %s: cannot find mirror with ID %u in '%s'\n",
9508 progname, argv[0], mirror_id, fname);
9512 /* open output file */
9514 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9516 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9517 progname, argv[0], outfile, strerror(errno));
9522 outfd = STDOUT_FILENO;
9525 /* allocate buffer */
9526 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9528 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9529 progname, argv[0], rc);
9536 ssize_t written = 0;
9538 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9539 if (bytes_read < 0) {
9542 "%s %s: fail to read data from mirror %u: %s\n",
9543 progname, argv[0], mirror_id, strerror(-rc));
9548 if (bytes_read == 0)
9551 while (written < bytes_read) {
9554 written2 = write(outfd, buf + written,
9555 bytes_read - written);
9558 "%s %s: fail to write %s: %s\n",
9559 progname, argv[0], outfile ? : "STDOUT",
9564 written += written2;
9567 if (written != bytes_read) {
9569 "%s %s: written %ld bytes does not match with %ld read.\n",
9570 progname, argv[0], written, bytes_read);
9592 static inline int lfs_mirror_write(int argc, char **argv)
9595 __u16 mirror_id = 0;
9596 const char *inputfile = NULL;
9602 const size_t buflen = 4 << 20;
9604 size_t page_size = sysconf(_SC_PAGESIZE);
9605 struct ll_ioc_lease_id ioc;
9607 struct option long_opts[] = {
9608 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9609 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9612 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9617 mirror_id = strtoul(optarg, &end, 0);
9618 if (*end != '\0' || mirror_id == 0) {
9620 "%s %s: invalid mirror ID '%s'\n",
9621 progname, argv[0], optarg);
9629 fprintf(stderr, "%s: option '%s' unrecognized\n",
9630 progname, argv[optind - 1]);
9635 if (argc == optind) {
9636 fprintf(stderr, "%s %s: no mirrored file provided\n",
9639 } else if (argc > optind + 1) {
9640 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9644 if (mirror_id == 0) {
9645 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9650 /* open mirror file */
9651 fname = argv[optind];
9654 rc = check_same_file(fname, inputfile);
9657 "%s %s: input file cannot be the mirrored file\n",
9665 fd = open(fname, O_DIRECT | O_WRONLY);
9667 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9668 progname, argv[0], fname, strerror(errno));
9672 /* verify mirror id */
9673 rc = verify_mirror_id_by_fd(fd, mirror_id);
9676 "%s %s: cannot find mirror with ID %u in '%s'\n",
9677 progname, argv[0], mirror_id, fname);
9681 /* open input file */
9683 inputfd = open(inputfile, O_RDONLY, 0644);
9685 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9686 progname, argv[0], inputfile, strerror(errno));
9691 inputfd = STDIN_FILENO;
9694 /* allocate buffer */
9695 rc = posix_memalign(&buf, page_size, buflen);
9697 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9698 progname, argv[0], rc);
9702 /* prepare target mirror components instantiation */
9703 ioc.lil_mode = LL_LEASE_WRLCK;
9704 ioc.lil_flags = LL_LEASE_RESYNC;
9705 ioc.lil_mirror_id = mirror_id;
9706 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9709 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9710 progname, argv[0], fname, strerror(errno));
9720 rc = llapi_lease_check(fd);
9721 if (rc != LL_LEASE_WRLCK) {
9722 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9723 progname, argv[0], fname);
9727 bytes_read = read(inputfd, buf, buflen);
9728 if (bytes_read < 0) {
9731 "%s %s: fail to read data from '%s': %s\n",
9732 progname, argv[0], inputfile ? : "STDIN",
9739 if (bytes_read == 0)
9742 /* round up to page align to make direct IO happy. */
9743 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9745 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9750 "%s %s: fail to write to mirror %u: %s\n",
9751 progname, argv[0], mirror_id,
9759 if (pos & (page_size - 1)) {
9760 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9765 ioc.lil_mode = LL_LEASE_UNLCK;
9766 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9768 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9773 "%s %s: release lease lock of '%s' failed: %s\n",
9774 progname, argv[0], fname, strerror(errno));
9791 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9793 struct llapi_layout *layout;
9794 struct collect_ids_data cid = { .cid_ids = ids,
9796 .cid_exclude = exclude_id, };
9799 layout = llapi_layout_get_by_fd(fd, 0);
9800 if (layout == NULL) {
9801 fprintf(stderr, "could not get layout\n");
9805 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9807 fprintf(stderr, "failed to iterate layout\n");
9808 llapi_layout_free(layout);
9812 llapi_layout_free(layout);
9814 return cid.cid_count;
9817 static inline int lfs_mirror_copy(int argc, char **argv)
9820 __u16 read_mirror_id = 0;
9821 __u16 ids[128] = { 0 };
9823 struct llapi_layout *layout = NULL;
9824 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9831 struct ll_ioc_lease *ioc = NULL;
9832 struct ll_ioc_lease_id *resync_ioc;
9834 struct option long_opts[] = {
9835 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9836 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9839 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9844 read_mirror_id = strtoul(optarg, &end, 0);
9845 if (*end != '\0' || read_mirror_id == 0) {
9847 "%s %s: invalid read mirror ID '%s'\n",
9848 progname, argv[0], optarg);
9853 if (!strcmp(optarg, "-1")) {
9854 /* specify all other mirrors */
9858 count = parse_mirror_ids((__u16 *)ids,
9866 fprintf(stderr, "%s: option '%s' unrecognized\n",
9867 progname, argv[optind - 1]);
9872 if (argc == optind) {
9873 fprintf(stderr, "%s %s: no mirrored file provided\n",
9876 } else if (argc > optind + 1) {
9877 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9881 if (read_mirror_id == 0) {
9883 "%s %s: no valid read mirror ID %d is provided\n",
9884 progname, argv[0], read_mirror_id);
9890 "%s %s: no write mirror ID is provided\n",
9895 for (i = 0; i < count; i++) {
9896 if (read_mirror_id == ids[i]) {
9898 "%s %s: read and write mirror ID cannot be the same\n",
9904 /* open mirror file */
9905 fname = argv[optind];
9907 fd = open(fname, O_DIRECT | O_RDWR);
9909 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9910 progname, argv[0], fname, strerror(errno));
9914 /* write to all other mirrors */
9915 if (ids[0] == (__u16)-1) {
9916 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9920 "%s %s: failed to get other mirror ids in '%s': %d\n",
9921 progname, argv[0], fname, rc);
9926 /* verify mirror id */
9927 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9930 "%s %s: cannot find mirror with ID %u in '%s'\n",
9931 progname, argv[0], read_mirror_id, fname);
9935 for (i = 0; i < count; i++) {
9936 rc = verify_mirror_id_by_fd(fd, ids[i]);
9939 "%s %s: cannot find mirror with ID %u in '%s'\n",
9940 progname, argv[0], ids[i], fname);
9945 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9948 "%s %s: cannot alloc comp id array for ioc: %s\n",
9949 progname, argv[0], strerror(errno));
9954 /* get stale component info */
9955 layout = llapi_layout_get_by_fd(fd, 0);
9956 if (layout == NULL) {
9957 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
9958 progname, argv[0], fname, strerror(errno));
9962 comp_size = llapi_mirror_find_stale(layout, comp_array,
9963 ARRAY_SIZE(comp_array),
9965 llapi_layout_free(layout);
9966 if (comp_size < 0) {
9971 /* prepare target mirror components instantiation */
9972 resync_ioc = (struct ll_ioc_lease_id *)ioc;
9973 resync_ioc->lil_mode = LL_LEASE_WRLCK;
9974 resync_ioc->lil_flags = LL_LEASE_RESYNC;
9976 resync_ioc->lil_mirror_id = ids[0];
9978 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
9979 rc = llapi_lease_set(fd, ioc);
9982 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9983 progname, argv[0], fname, strerror(errno));
9987 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
9990 fprintf(stderr, "%s %s: copy error: %d\n",
9991 progname, argv[0], rc);
9995 fprintf(stdout, "mirror copied successfully: ");
9996 for (i = 0; i < copied; i++)
9997 fprintf(stdout, "%d ", ids[i]);
9998 fprintf(stdout, "\n");
10000 ioc->lil_mode = LL_LEASE_UNLCK;
10001 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10002 ioc->lil_count = 0;
10003 for (i = 0; i < comp_size; i++) {
10006 for (j = 0; j < copied; j++) {
10007 if (comp_array[i].lrc_mirror_id != ids[j])
10010 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
10014 rc = llapi_lease_set(fd, ioc);
10019 "%s %s: release lease lock of '%s' failed: %s\n",
10020 progname, argv[0], fname, strerror(errno));
10034 * struct verify_chunk - Mirror chunk to be verified.
10035 * @chunk: [start, end) of the chunk.
10036 * @mirror_count: Number of mirror ids in @mirror_id array.
10037 * @mirror_id: Array of valid mirror ids that cover the chunk.
10039 struct verify_chunk {
10040 struct lu_extent chunk;
10041 unsigned int mirror_count;
10042 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
10046 * print_chunks() - Print chunk information.
10047 * @fname: Mirrored file name.
10048 * @chunks: Array of chunks.
10049 * @chunk_count: Number of chunks in @chunks array.
10051 * This function prints [start, end) of each chunk in @chunks
10052 * for mirrored file @fname, and also prints the valid mirror ids
10053 * that cover the chunk.
10058 void print_chunks(const char *fname, struct verify_chunk *chunks,
10064 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10065 for (i = 0; i < chunk_count; i++) {
10066 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10068 if (chunks[i].mirror_count == 0)
10069 fprintf(stdout, "\t[");
10071 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10072 for (j = 1; j < chunks[i].mirror_count; j++)
10073 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10075 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10077 fprintf(stdout, "\n");
10081 * print_checksums() - Print CRC-32 checksum values.
10082 * @chunk: A chunk and its corresponding valid mirror ids.
10083 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10085 * This function prints CRC-32 checksum values on @chunk for
10086 * each valid mirror that covers it.
10091 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10096 "CRC-32 checksum value for chunk "DEXT":\n",
10097 PEXT(&chunk->chunk));
10098 for (i = 0; i < chunk->mirror_count; i++)
10099 fprintf(stdout, "Mirror %u:\t%#lx\n",
10100 chunk->mirror_id[i], crc[i]);
10101 fprintf(stdout, "\n");
10105 * filter_mirror_id() - Filter specified mirror ids.
10106 * @chunks: Array of chunks.
10107 * @chunk_count: Number of chunks in @chunks array.
10108 * @mirror_ids: Specified mirror ids to be verified.
10109 * @ids_nr: Number of specified mirror ids.
10111 * This function scans valid mirror ids that cover each chunk in @chunks
10112 * and filters specified mirror ids.
10117 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10118 __u16 *mirror_ids, int ids_nr)
10123 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10124 unsigned int valid_count = 0;
10126 for (i = 0; i < chunk_count; i++) {
10127 if (chunks[i].mirror_count == 0)
10131 for (j = 0; j < ids_nr; j++) {
10132 for (k = 0; k < chunks[i].mirror_count; k++) {
10133 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10134 valid_id[valid_count] = mirror_ids[j];
10141 memcpy(chunks[i].mirror_id, valid_id,
10142 sizeof(__u16) * valid_count);
10143 chunks[i].mirror_count = valid_count;
10148 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10149 * @layout: Mirror component list.
10150 * @chunks: Array of chunks.
10151 * @chunks_size: Array size of @chunks.
10153 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10154 * to find out chunk segments and store them in @chunks array.
10156 * The @mirror_id array in each element of @chunks will store the valid
10157 * mirror ids that cover the chunk. If a mirror component covering the
10158 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10159 * will not be stored into the @mirror_id array, and the chunk for that
10160 * mirror will not be verified.
10162 * The @mirror_count in each element of @chunks will store the number of
10163 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10164 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10165 * indicates the chunk is valid in only one mirror. In both cases, the
10166 * chunk will not be verified.
10168 * Here is an example:
10170 * 0 1M 2M 3M 4M EOF
10171 * +------+-------------+--------------------+
10172 * | | | S | mirror1
10173 * +------+------+------+------+-------------+
10174 * | | S | S | | mirror2
10175 * +-------------+------+------+-------------+
10177 * prepared @chunks array will contain 5 elements:
10178 * (([0, 1M), [1, 2], 2),
10179 * ([1M, 2M), [1, 2], 2),
10180 * ([2M, 3M), [1], 1),
10181 * ([3M, 4M], [], 0),
10182 * ([4M, EOF), [2], 1))
10184 * Return: the actual array size of @chunks on success
10185 * or a negative error code on failure.
10188 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10189 struct verify_chunk *chunks,
10190 size_t chunks_size)
10194 uint32_t mirror_id;
10200 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10203 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10206 "%s: move to the first layout component: %s.\n",
10207 progname, strerror(errno));
10213 chunks[idx].chunk.e_end = LUSTRE_EOF;
10215 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10218 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10219 progname, strerror(errno));
10223 if (start > chunks[idx].chunk.e_start ||
10224 end <= chunks[idx].chunk.e_start)
10227 if (end < chunks[idx].chunk.e_end)
10228 chunks[idx].chunk.e_end = end;
10230 rc = llapi_layout_comp_flags_get(layout, &flags);
10233 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10234 progname, strerror(errno));
10238 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10241 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10244 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10245 progname, strerror(errno));
10249 chunks[idx].mirror_id[i] = mirror_id;
10251 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10253 "%s: mirror_id array is too small.\n",
10260 rc = llapi_layout_comp_use(layout,
10261 LLAPI_LAYOUT_COMP_USE_NEXT);
10264 "%s: move to the next layout component: %s.\n",
10265 progname, strerror(errno));
10268 } /* loop through all components */
10270 chunks[idx].mirror_count = i;
10272 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10276 if (idx >= chunks_size) {
10277 fprintf(stderr, "%s: chunks array is too small.\n",
10283 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10287 return rc < 0 ? rc : idx + 1;
10291 * lfs_mirror_verify_chunk() - Verify a chunk.
10292 * @fd: File descriptor of the mirrored file.
10293 * @file_size: Size of the mirrored file.
10294 * @chunk: A chunk and its corresponding valid mirror ids.
10295 * @verbose: Verbose mode.
10297 * This function verifies a @chunk contains exactly the same data
10298 * ammong the mirrors that cover it.
10300 * If @verbose is specified, then the function will print where the
10301 * differences are if the data do not match. Otherwise, it will
10302 * just return an error in that case.
10304 * Return: 0 on success or a negative error code on failure.
10307 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10308 struct verify_chunk *chunk, int verbose)
10310 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10312 size_t page_size = sysconf(_SC_PAGESIZE);
10313 ssize_t bytes_read;
10314 ssize_t bytes_done;
10318 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10322 if (file_size == 0)
10325 rc = posix_memalign(&buf, page_size, buflen);
10326 if (rc) /* error code is returned directly */
10330 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10331 PEXT(&chunk->chunk));
10332 for (i = 0; i < chunk->mirror_count; i++)
10333 fprintf(stdout, " %u", chunk->mirror_id[i]);
10334 fprintf(stdout, "\n");
10338 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10339 pos = chunk->chunk.e_start;
10340 while (bytes_done < count) {
10341 /* compute initial CRC-32 checksum */
10342 crc = crc32(0L, Z_NULL, 0);
10343 memset(crc_array, 0, sizeof(crc_array));
10346 for (i = 0; i < chunk->mirror_count; i++) {
10347 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10349 if (bytes_read < 0) {
10352 "%s: failed to read data from mirror %u: %s.\n",
10353 progname, chunk->mirror_id[i],
10358 /* compute new CRC-32 checksum */
10359 crc_array[i] = crc32(crc, buf, bytes_read);
10363 print_checksums(chunk, crc_array);
10365 /* compare CRC-32 checksum values */
10366 for (i = 1; i < chunk->mirror_count; i++) {
10367 if (crc_array[i] != crc_array[0]) {
10371 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10372 progname, PEXT(&chunk->chunk),
10373 chunk->mirror_id[0],
10374 chunk->mirror_id[i]);
10379 bytes_done += bytes_read;
10382 if (verbose > 1 && rc == 0) {
10383 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10384 PEXT(&chunk->chunk));
10385 for (i = 0; i < chunk->mirror_count; i++)
10386 fprintf(stdout, " %u", chunk->mirror_id[i]);
10387 fprintf(stdout, " PASS\n\n");
10396 * lfs_mirror_verify_file() - Verify a mirrored file.
10397 * @fname: Mirrored file name.
10398 * @mirror_ids: Specified mirror ids to be verified.
10399 * @ids_nr: Number of specified mirror ids.
10400 * @verbose: Verbose mode.
10402 * This function verifies that each SYNC mirror of a mirrored file
10403 * specified by @fname contains exactly the same data.
10405 * If @mirror_ids is specified, then the function will verify the
10406 * mirrors specified by @mirror_ids contain exactly the same data.
10408 * If @verbose is specified, then the function will print where the
10409 * differences are if the data do not match. Otherwise, it will
10410 * just return an error in that case.
10412 * Return: 0 on success or a negative error code on failure.
10415 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10418 struct verify_chunk chunks_array[1024] = { };
10419 struct llapi_layout *layout = NULL;
10421 uint32_t flr_state;
10423 int chunk_count = 0;
10429 if (stat(fname, &stbuf) < 0) {
10430 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10431 progname, fname, strerror(errno));
10436 if (!S_ISREG(stbuf.st_mode)) {
10437 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10443 if (stbuf.st_size == 0) {
10445 fprintf(stdout, "%s: '%s' file size is 0.\n",
10451 fd = open(fname, O_DIRECT | O_RDONLY);
10453 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10454 progname, fname, strerror(errno));
10459 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10461 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10462 progname, fname, strerror(errno));
10466 layout = llapi_layout_get_by_fd(fd, 0);
10467 if (layout == NULL) {
10468 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10469 progname, fname, strerror(errno));
10471 llapi_lease_release(fd);
10475 rc = llapi_layout_flags_get(layout, &flr_state);
10477 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10478 progname, fname, strerror(errno));
10483 flr_state &= LCM_FL_FLR_MASK;
10484 switch (flr_state) {
10487 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10488 progname, fname, llapi_layout_flags_string(flr_state));
10494 /* find out mirror chunks to be verified */
10495 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10496 ARRAY_SIZE(chunks_array));
10497 if (chunk_count < 0) {
10503 /* filter specified mirror ids */
10504 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10507 print_chunks(fname, chunks_array, chunk_count);
10509 for (idx = 0; idx < chunk_count; idx++) {
10510 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10513 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10515 PEXT(&chunks_array[idx].chunk),
10516 (unsigned long long)stbuf.st_size);
10520 if (chunks_array[idx].mirror_count == 0) {
10522 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10524 PEXT(&chunks_array[idx].chunk));
10526 fprintf(stderr, "skipped\n");
10530 fprintf(stderr, "failed\n");
10534 if (chunks_array[idx].mirror_count == 1) {
10537 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10539 PEXT(&chunks_array[idx].chunk),
10540 chunks_array[idx].mirror_id[0]);
10544 rc = llapi_lease_check(fd);
10545 if (rc != LL_LEASE_RDLCK) {
10546 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10551 /* verify one chunk */
10552 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10553 &chunks_array[idx], verbose);
10567 llapi_layout_free(layout);
10568 llapi_lease_release(fd);
10576 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10577 * @argc: The count of lfs mirror verify command line arguments.
10578 * @argv: Array of strings for lfs mirror verify command line arguments.
10580 * This function parses lfs mirror verify command and verifies the
10581 * specified mirrored file(s).
10583 * Return: 0 on success or a negative error code on failure.
10585 static inline int lfs_mirror_verify(int argc, char **argv)
10587 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10593 char cmd[PATH_MAX];
10595 struct option long_opts[] = {
10596 { .val = 'o', .name = "only", .has_arg = required_argument },
10597 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10598 { .name = NULL } };
10600 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10602 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10605 rc = parse_mirror_ids(mirror_ids,
10606 ARRAY_SIZE(mirror_ids),
10610 "%s: bad mirror ids '%s'.\n",
10617 "%s: at least 2 mirror ids needed with '--only' option.\n",
10627 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10628 progname, argv[optind - 1]);
10634 if (argc == optind) {
10635 fprintf(stderr, "%s: no file name given.\n", progname);
10640 if (ids_nr > 0 && argc > optind + 1) {
10642 "%s: '--only' cannot be used upon multiple files.\n",
10650 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10656 for (; optind < argc; optind++) {
10657 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10667 * lfs_mirror() - Parse and execute lfs mirror commands.
10668 * @argc: The count of lfs mirror command line arguments.
10669 * @argv: Array of strings for lfs mirror command line arguments.
10671 * This function parses lfs mirror commands and performs the
10672 * corresponding functions specified in mirror_cmdlist[].
10674 * Return: 0 on success or an error code on failure.
10676 static int lfs_mirror(int argc, char **argv)
10678 char cmd[PATH_MAX];
10681 setlinebuf(stdout);
10683 Parser_init("lfs-mirror > ", mirror_cmdlist);
10685 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10687 program_invocation_short_name = cmd;
10689 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10691 rc = Parser_commands();
10693 return rc < 0 ? -rc : rc;
10696 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10698 #if __BYTE_ORDER == __BIG_ENDIAN
10699 __swab16s(&attrs->lsa_valid);
10700 __swab64s(&attrs->lsa_size);
10701 __swab64s(&attrs->lsa_blocks);
10705 enum lfs_som_type {
10706 LFS_SOM_SIZE = 0x1,
10707 LFS_SOM_BLOCKS = 0x2,
10708 LFS_SOM_FLAGS = 0x4,
10709 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10713 static int lfs_getsom(int argc, char **argv)
10716 struct lustre_som_attrs *attrs;
10717 char buf[sizeof(*attrs) + 64];
10718 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10721 while ((c = getopt(argc, argv, "sbf")) != -1) {
10724 type = LFS_SOM_SIZE;
10727 type = LFS_SOM_BLOCKS;
10730 type = LFS_SOM_FLAGS;
10733 fprintf(stderr, "%s: invalid option '%c'\n",
10743 fprintf(stderr, "%s: %s\n",
10744 progname, argc == 0 ? "miss file target" :
10745 "input more than 2 files");
10750 attrs = (void *)buf;
10751 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10754 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10755 argv[0], strerror(errno), errno);
10759 lustre_som_swab(attrs);
10762 case LFS_SOM_ATTR_ALL:
10763 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10764 path, (unsigned long long)attrs->lsa_size,
10765 (unsigned long long)attrs->lsa_blocks,
10769 printf("%llu\n", (unsigned long long)attrs->lsa_size);
10771 case LFS_SOM_BLOCKS:
10772 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
10774 case LFS_SOM_FLAGS:
10775 printf("%x\n", attrs->lsa_valid);
10778 fprintf(stderr, "%s: unknown option\n", progname);
10786 * lfs_mirror_list_commands() - List lfs mirror commands.
10787 * @argc: The count of command line arguments.
10788 * @argv: Array of strings for command line arguments.
10790 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10792 * Return: 0 on success.
10794 static int lfs_mirror_list_commands(int argc, char **argv)
10796 char buffer[81] = "";
10798 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10804 static int lfs_pcc_attach(int argc, char **argv)
10806 struct option long_opts[] = {
10807 { .val = 'i', .name = "id", .has_arg = required_argument },
10808 { .name = NULL } };
10811 __u32 archive_id = 0;
10814 char fullpath[PATH_MAX];
10815 enum lu_pcc_type type = LU_PCC_READWRITE;
10818 while ((c = getopt_long(argc, argv, "i:",
10819 long_opts, NULL)) != -1) {
10822 archive_id = strtoul(optarg, &end, 0);
10823 if (*end != '\0' || archive_id == 0) {
10824 fprintf(stderr, "error: %s: bad archive ID "
10825 "'%s'\n", argv[0], optarg);
10832 fprintf(stderr, "%s: option '%s' unrecognized\n",
10833 argv[0], argv[optind - 1]);
10838 if (argc <= optind) {
10839 fprintf(stderr, "%s: must specify one or more file names\n",
10844 while (optind < argc) {
10847 path = argv[optind++];
10848 if (realpath(path, fullpath) == NULL) {
10849 fprintf(stderr, "%s: could not find path '%s': %s\n",
10850 argv[0], path, strerror(errno));
10856 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
10858 fprintf(stderr, "%s: cannot attach '%s' to PCC "
10859 "with archive ID '%u': %s\n", argv[0],
10860 path, archive_id, strerror(-rc2));
10868 static int lfs_pcc_attach_fid(int argc, char **argv)
10870 struct option long_opts[] = {
10871 { .val = 'i', .name = "id", .has_arg = required_argument },
10872 { .val = 'm', .name = "mnt", .has_arg = required_argument },
10873 { .name = NULL } };
10874 char short_opts[] = "i:m:";
10877 __u32 archive_id = 0;
10879 const char *mntpath = NULL;
10880 const char *fidstr;
10881 enum lu_pcc_type type = LU_PCC_READWRITE;
10884 while ((c = getopt_long(argc, argv, short_opts,
10885 long_opts, NULL)) != -1) {
10888 archive_id = strtoul(optarg, &end, 0);
10889 if (*end != '\0') {
10890 fprintf(stderr, "error: %s: bad archive ID "
10891 "'%s'\n", argv[0], optarg);
10901 fprintf(stderr, "%s: option '%s' unrecognized\n",
10902 argv[0], argv[optind - 1]);
10907 if (archive_id == 0) {
10908 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
10912 if (mntpath == NULL) {
10913 fprintf(stderr, "%s: must specify Lustre mount point\n",
10918 if (argc <= optind) {
10919 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
10923 while (optind < argc) {
10926 fidstr = argv[optind++];
10928 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
10931 fprintf(stderr, "%s: cannot attach '%s' on '%s' to PCC "
10932 "with archive ID '%u': %s\n", argv[0],
10933 fidstr, mntpath, archive_id, strerror(rc2));
10935 if (rc == 0 && rc2 < 0)
10941 static int lfs_pcc_detach(int argc, char **argv)
10943 struct option long_opts[] = {
10944 { .val = 'k', .name = "keep", .has_arg = no_argument },
10945 { .name = NULL } };
10946 char short_opts[] = "k";
10950 char fullpath[PATH_MAX];
10951 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
10954 while ((c = getopt_long(argc, argv, short_opts,
10955 long_opts, NULL)) != -1) {
10958 detach_opt = PCC_DETACH_OPT_NONE;
10963 fprintf(stderr, "%s: option '%s' unrecognized\n",
10964 argv[0], argv[optind - 1]);
10969 while (optind < argc) {
10972 path = argv[optind++];
10973 if (realpath(path, fullpath) == NULL) {
10974 fprintf(stderr, "%s: could not find path '%s': %s\n",
10975 argv[0], path, strerror(errno));
10981 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
10984 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
10985 "%s\n", argv[0], path, strerror(errno));
10993 static int lfs_pcc_detach_fid(int argc, char **argv)
10995 struct option long_opts[] = {
10996 { .val = 'k', .name = "keep", .has_arg = no_argument },
10997 { .name = NULL } };
10998 char short_opts[] = "k";
11002 const char *mntpath;
11003 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11006 while ((c = getopt_long(argc, argv, short_opts,
11007 long_opts, NULL)) != -1) {
11010 detach_opt = PCC_DETACH_OPT_NONE;
11015 fprintf(stderr, "%s: option '%s' unrecognized\n",
11016 argv[0], argv[optind - 1]);
11021 mntpath = argv[optind++];
11023 while (optind < argc) {
11026 fid = argv[optind++];
11028 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
11030 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
11031 "from PCC: %s\n", argv[0], fid, mntpath,
11040 static int lfs_pcc_state(int argc, char **argv)
11044 char fullpath[PATH_MAX];
11045 struct lu_pcc_state state;
11050 fprintf(stderr, "%s: must specify one or more file names\n",
11055 while (optind < argc) {
11058 path = argv[optind++];
11059 if (realpath(path, fullpath) == NULL) {
11060 fprintf(stderr, "%s: could not find path '%s': %s\n",
11061 argv[0], path, strerror(errno));
11067 rc2 = llapi_pcc_state_get(fullpath, &state);
11071 fprintf(stderr, "%s: cannot get PCC state of '%s': "
11072 "%s\n", argv[0], path, strerror(-rc2));
11076 printf("file: %s", path);
11077 printf(", type: %s", pcc_type2string(state.pccs_type));
11078 if (state.pccs_type == LU_PCC_NONE &&
11079 state.pccs_open_count == 0) {
11084 printf(", PCC file: %s", state.pccs_path);
11085 printf(", user number: %u", state.pccs_open_count);
11086 printf(", flags: %x", state.pccs_flags);
11093 * lfs_pcc_list_commands() - List lfs pcc commands.
11094 * @argc: The count of command line arguments.
11095 * @argv: Array of strings for command line arguments.
11097 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11099 * Return: 0 on success.
11101 static int lfs_pcc_list_commands(int argc, char **argv)
11103 char buffer[81] = "";
11105 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11112 * lfs_pcc() - Parse and execute lfs pcc commands.
11113 * @argc: The count of lfs pcc command line arguments.
11114 * @argv: Array of strings for lfs pcc command line arguments.
11116 * This function parses lfs pcc commands and performs the
11117 * corresponding functions specified in pcc_cmdlist[].
11119 * Return: 0 on success or an error code on failure.
11121 static int lfs_pcc(int argc, char **argv)
11123 char cmd[PATH_MAX];
11126 setlinebuf(stdout);
11128 Parser_init("lfs-pcc > ", pcc_cmdlist);
11130 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11132 program_invocation_short_name = cmd;
11134 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11136 rc = Parser_commands();
11138 return rc < 0 ? -rc : rc;
11141 static int lfs_list_commands(int argc, char **argv)
11143 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11145 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11150 int main(int argc, char **argv)
11154 /* Ensure that liblustreapi constructor has run */
11155 if (!llapi_liblustreapi_initialized())
11156 fprintf(stderr, "liblustreapi was not properly initialized\n");
11158 setlinebuf(stdout);
11161 Parser_init("lfs > ", cmdlist);
11163 progname = program_invocation_short_name; /* Used in error messages */
11165 llapi_set_command_name(argv[1]);
11166 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11167 llapi_clear_command_name();
11169 rc = Parser_commands();
11172 return rc < 0 ? -rc : rc;
11175 #ifdef _LUSTRE_IDL_H_
11176 /* Everything we need here should be included by lustreapi.h. */
11177 # error "lfs should not depend on lustre_idl.h"
11178 #endif /* _LUSTRE_IDL_H_ */