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);
1110 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1111 progname, comp_id, fname, flags, neg_flags);
1116 static int lfs_component_del(char *fname, __u32 comp_id,
1117 __u32 flags, __u32 neg_flags)
1121 if (flags && neg_flags)
1124 if (!flags && neg_flags)
1125 flags = neg_flags | LCME_FL_NEG;
1127 if ((flags && comp_id) || (!flags && !comp_id))
1131 if (flags & ~LCME_KNOWN_FLAGS) {
1133 "%s setstripe: unknown flags %#x\n",
1137 } else if (comp_id > LCME_ID_MAX) {
1138 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1143 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1146 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1147 progname, comp_id, fname, strerror(errno));
1151 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1158 rc = llapi_layout_file_comp_add(fname, layout);
1160 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1161 fname, strerror(errno));
1165 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1166 struct llapi_layout *layout)
1174 fd = lstat(fname, &st);
1175 if (fd == 0 && S_ISDIR(st.st_mode))
1176 open_flags = O_DIRECTORY | O_RDONLY;
1178 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1180 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1181 S_ISDIR(st.st_mode) ?
1182 "set default composite layout for" :
1183 "create composite file",
1184 fname, strerror(errno));
1188 static int lfs_migrate(char *name, __u64 migration_flags,
1189 struct llapi_stripe_param *param,
1190 struct llapi_layout *layout)
1192 struct llapi_layout *existing;
1193 uint64_t dom_new, dom_cur;
1198 rc = migrate_open_files(name, migration_flags, param, layout,
1203 rc = llapi_layout_dom_size(layout, &dom_new);
1205 error_loc = "cannot get new layout DoM size";
1208 /* special case for migration to DOM layout*/
1209 existing = llapi_layout_get_by_fd(fd, 0);
1211 error_loc = "cannot get existing layout";
1215 rc = llapi_layout_dom_size(existing, &dom_cur);
1217 error_loc = "cannot get current layout DoM size";
1221 /* if file has DoM layout already then migration is possible to
1222 * the new layout with the same DoM component via swap layout,
1223 * if new layout used bigger DOM size, then mirroring is used
1225 if (dom_new > dom_cur) {
1226 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1229 error_loc = "cannot migrate to DOM layout";
1233 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1234 /* Blocking mode (forced if servers do not support file lease).
1235 * It is also the default mode, since we cannot distinguish
1236 * between a broken lease and a server that does not support
1237 * atomic swap/close (LU-6785) */
1238 rc = migrate_block(fd, fdv);
1242 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1244 error_loc = "cannot get lease";
1248 rc = migrate_nonblock(fd, fdv);
1250 llapi_lease_release(fd);
1254 /* Atomically put lease, swap layouts and close.
1255 * for a migration we need to check data version on file did
1257 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1259 error_loc = "cannot swap layout";
1271 fprintf(stderr, "error: %s: %s: %s: %s\n",
1272 progname, name, error_loc, strerror(-rc));
1273 else if (migration_flags & MIGRATION_VERBOSE)
1274 printf("%s\n", name);
1279 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1288 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1292 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1293 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1294 const char *comp_name = comp_flags_table[i].cfn_name;
1296 if (strcmp(name, comp_name) == 0) {
1297 *flags |= comp_flag;
1299 } else if (strncmp(name, "^", 1) == 0 &&
1300 strcmp(name + 1, comp_name) == 0) {
1301 *neg_flags |= comp_flag;
1306 llapi_printf(LLAPI_MSG_ERROR,
1307 "%s: component flag '%s' not supported\n",
1313 if (!*flags && !*neg_flags)
1316 /* don't allow to set and exclude the same flag */
1317 if (*flags & *neg_flags)
1323 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1331 if (strncmp(string, "^", 1) == 0) {
1332 *neg_state = llapi_layout_string_flags(string + 1);
1333 if (*neg_state != 0)
1336 *state = llapi_layout_string_flags(string);
1341 llapi_printf(LLAPI_MSG_ERROR,
1342 "%s: mirrored file state '%s' not supported\n",
1348 * struct mirror_args - Command-line arguments for mirror(s).
1349 * @m_count: Number of mirrors to be created with this layout.
1350 * @m_flags: Mirror level flags, only 'prefer' is supported.
1351 * @m_layout: Mirror layout.
1352 * @m_file: A victim file. Its layout will be split and used as a mirror.
1353 * @m_next: Point to the next node of the list.
1355 * Command-line arguments for mirror(s) will be parsed and stored in
1356 * a linked list that consists of this structure.
1358 struct mirror_args {
1361 struct llapi_layout *m_layout;
1363 struct mirror_args *m_next;
1367 * enum mirror_flags - Flags for extending a mirrored file.
1368 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1369 * in case the victim file(s) contains the same data as the
1370 * original mirrored file.
1371 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1372 * @MF_COMP_ID: specified component id instead of mirror id
1374 * Flags for extending a mirrored file.
1384 * mirror_create_sanity_check() - Check mirror list.
1385 * @list: A linked list that stores the mirror arguments.
1387 * This function does a sanity check on @list for creating
1390 * Return: 0 on success or a negative error code on failure.
1392 static int mirror_create_sanity_check(const char *fname,
1393 struct mirror_args *list)
1396 bool has_m_file = false;
1397 bool has_m_layout = false;
1403 struct llapi_layout *layout;
1405 layout = llapi_layout_get_by_path(fname, 0);
1408 "error: %s: file '%s' couldn't get layout\n",
1413 rc = llapi_layout_sanity(layout, false, true);
1415 llapi_layout_free(layout);
1418 llapi_layout_sanity_perror(rc);
1423 while (list != NULL) {
1424 if (list->m_file != NULL) {
1426 llapi_layout_free(list->m_layout);
1429 llapi_layout_get_by_path(list->m_file, 0);
1430 if (list->m_layout == NULL) {
1432 "error: %s: file '%s' has no layout\n",
1433 progname, list->m_file);
1437 has_m_layout = true;
1438 if (list->m_layout == NULL) {
1439 fprintf(stderr, "error: %s: no mirror layout\n",
1445 rc = llapi_layout_sanity(list->m_layout, false, true);
1447 llapi_layout_sanity_perror(rc);
1451 list = list->m_next;
1454 if (has_m_file && has_m_layout) {
1456 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1464 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1466 __u32 mirror_flags = *(__u32 *)cbdata;
1470 rc = llapi_layout_comp_flags_get(layout, &flags);
1475 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1480 return LLAPI_LAYOUT_ITER_CONT;
1484 * mirror_create() - Create a mirrored file.
1485 * @fname: The file to be created.
1486 * @mirror_list: A linked list that stores the mirror arguments.
1488 * This function creates a mirrored file @fname with the mirror(s)
1489 * from @mirror_list.
1491 * Return: 0 on success or a negative error code on failure.
1493 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1495 struct llapi_layout *layout = NULL;
1496 struct mirror_args *cur_mirror = NULL;
1497 uint16_t mirror_count = 0;
1501 rc = mirror_create_sanity_check(NULL, mirror_list);
1505 cur_mirror = mirror_list;
1506 while (cur_mirror != NULL) {
1507 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1509 &cur_mirror->m_flags);
1512 fprintf(stderr, "%s: failed to set mirror flags\n",
1517 for (i = 0; i < cur_mirror->m_count; i++) {
1518 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1521 fprintf(stderr, "error: %s: "
1522 "merge layout failed: %s\n",
1523 progname, strerror(errno));
1527 mirror_count += cur_mirror->m_count;
1528 cur_mirror = cur_mirror->m_next;
1531 if (layout == NULL) {
1532 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1536 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1539 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1540 progname, strerror(errno));
1544 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1552 llapi_layout_free(layout);
1557 * Compare files and check lease on @fd.
1559 * \retval bytes number of bytes are the same
1561 static ssize_t mirror_file_compare(int fd, int fdv)
1563 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1565 ssize_t bytes_done = 0;
1566 ssize_t bytes_read = 0;
1568 buf = malloc(buflen * 2);
1573 if (!llapi_lease_check(fd)) {
1574 bytes_done = -EBUSY;
1578 bytes_read = read(fd, buf, buflen);
1579 if (bytes_read <= 0)
1582 if (bytes_read != read(fdv, buf + buflen, buflen))
1585 /* XXX: should compute the checksum on each buffer and then
1586 * compare checksum to avoid cache collision */
1587 if (memcmp(buf, buf + buflen, bytes_read))
1590 bytes_done += bytes_read;
1598 static int mirror_extend_file(const char *fname, const char *victim_file,
1599 enum mirror_flags mirror_flags)
1604 struct stat stbuf_v;
1605 struct ll_ioc_lease *data = NULL;
1608 fd = open(fname, O_RDWR);
1610 error_loc = "open source file";
1615 fdv = open(victim_file, O_RDWR);
1617 error_loc = "open target file";
1622 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1623 error_loc = "stat source or target file";
1628 if (stbuf.st_dev != stbuf_v.st_dev) {
1629 error_loc = "stat source and target file";
1634 /* mirrors should be of the same size */
1635 if (stbuf.st_size != stbuf_v.st_size) {
1636 error_loc = "file sizes don't match";
1641 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1643 error_loc = "cannot get lease";
1647 if (!(mirror_flags & MF_NO_VERIFY)) {
1649 /* mirrors should have the same contents */
1650 ret = mirror_file_compare(fd, fdv);
1651 if (ret != stbuf.st_size) {
1652 error_loc = "file busy or contents don't match";
1653 rc = ret < 0 ? ret : -EINVAL;
1658 /* Get rid of caching pages from clients */
1659 rc = llapi_file_flush(fd);
1661 error_loc = "cannot get data version";
1665 rc = llapi_file_flush(fdv);
1667 error_loc = "cannot get data version";
1672 /* Make sure we keep original atime/mtime values */
1673 rc = migrate_copy_timestamps(fd, fdv);
1675 error_loc = "cannot copy timestamp";
1679 /* Atomically put lease, merge layouts and close. */
1680 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1682 error_loc = "memory allocation";
1685 data->lil_mode = LL_LEASE_UNLCK;
1686 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1687 data->lil_count = 1;
1688 data->lil_ids[0] = fdv;
1689 rc = llapi_lease_set(fd, data);
1691 error_loc = "cannot merge layout";
1693 } else if (rc == 0) {
1695 error_loc = "lost lease lock";
1708 (void) unlink(victim_file);
1710 fprintf(stderr, "error: %s: %s: %s: %s\n",
1711 progname, fname, error_loc, strerror(-rc));
1715 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1717 struct ll_ioc_lease *data = NULL;
1722 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1726 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1728 error_loc = "cannot get lease";
1732 rc = migrate_nonblock(fd, fdv);
1734 llapi_lease_release(fd);
1738 /* Atomically put lease, merge layouts and close. */
1739 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1741 error_loc = "memory allocation";
1744 data->lil_mode = LL_LEASE_UNLCK;
1745 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1746 data->lil_count = 1;
1747 data->lil_ids[0] = fdv;
1748 rc = llapi_lease_set(fd, data);
1750 error_loc = "cannot merge layout";
1752 } else if (rc == 0) {
1754 error_loc = "lost lease lock";
1767 fprintf(stderr, "error: %s: %s: %s: %s\n",
1768 progname, name, error_loc, strerror(-rc));
1772 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1773 enum mirror_flags mirror_flags)
1777 rc = mirror_create_sanity_check(fname, mirror_list);
1781 while (mirror_list) {
1782 if (mirror_list->m_file != NULL) {
1783 rc = mirror_extend_file(fname, mirror_list->m_file,
1786 __u32 mirror_count = mirror_list->m_count;
1788 while (mirror_count > 0) {
1789 rc = mirror_extend_layout(fname,
1790 mirror_list->m_layout);
1800 mirror_list = mirror_list->m_next;
1806 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1811 rc = llapi_layout_mirror_id_get(layout, &id);
1815 if ((__u16)id == *(__u16 *)cbdata)
1816 return LLAPI_LAYOUT_ITER_STOP;
1818 return LLAPI_LAYOUT_ITER_CONT;
1821 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1826 rc = llapi_layout_comp_id_get(layout, &id);
1830 if (id == *(__u32 *)cbdata)
1831 return LLAPI_LAYOUT_ITER_STOP;
1833 return LLAPI_LAYOUT_ITER_CONT;
1836 struct pool_to_id_cbdata {
1840 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
1842 char buf[LOV_MAXPOOLNAME + 1];
1843 struct pool_to_id_cbdata *d = (void *)cbdata;
1847 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
1850 if (strcmp(d->pool, buf))
1851 return LLAPI_LAYOUT_ITER_CONT;
1853 rc = llapi_layout_mirror_id_get(layout, &id);
1858 return LLAPI_LAYOUT_ITER_STOP;
1861 static int mirror_split(const char *fname, __u32 id, const char *pool,
1862 enum mirror_flags mflags, const char *victim_file)
1864 struct llapi_layout *layout;
1865 char parent[PATH_MAX];
1866 char victim[PATH_MAX];
1867 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1869 struct ll_ioc_lease *data;
1870 uint16_t mirror_count;
1875 /* check fname contains mirror with mirror_id/comp_id */
1876 layout = llapi_layout_get_by_path(fname, 0);
1879 "error %s: file '%s' couldn't get layout\n",
1884 rc = llapi_layout_sanity(layout, false, true);
1886 llapi_layout_sanity_perror(rc);
1890 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1893 "error %s: file '%s' couldn't get mirror count\n",
1897 if (mirror_count < 2) {
1899 "error %s: file '%s' has %d component, cannot split\n",
1900 progname, fname, mirror_count);
1904 if (mflags & MF_COMP_POOL) {
1905 struct pool_to_id_cbdata data = { .pool = pool };
1907 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool,
1910 } else if (mflags & MF_COMP_ID) {
1911 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1912 id = mirror_id_of(id);
1914 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
1917 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
1920 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
1922 "error %s: file '%s' does not contain mirror with id %u\n",
1923 progname, fname, id);
1927 fd = open(fname, O_RDWR);
1930 "error %s: open file '%s' failed: %s\n",
1931 progname, fname, strerror(errno));
1935 /* get victim file directory pathname */
1936 if (strlen(fname) > sizeof(parent) - 1) {
1937 fprintf(stderr, "error %s: file name of '%s' too long\n",
1942 strncpy(parent, fname, sizeof(parent));
1943 ptr = strrchr(parent, '/');
1945 if (getcwd(parent, sizeof(parent)) == NULL) {
1946 fprintf(stderr, "error %s: getcwd failed: %s\n",
1947 progname, strerror(errno));
1957 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
1959 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
1964 if (victim_file == NULL) {
1965 /* use a temp file to store the splitted layout */
1966 if (mflags & MF_DESTROY) {
1967 fdv = llapi_create_volatile_idx(parent, mdt_index,
1968 O_LOV_DELAY_CREATE);
1970 snprintf(victim, sizeof(victim), "%s.mirror~%u",
1972 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
1975 /* user specified victim file */
1976 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
1981 "error %s: create victim file failed: %s\n",
1982 progname, strerror(errno));
1986 /* get lease lock of fname */
1987 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
1990 "error %s: cannot get lease of file '%s': %d\n",
1991 progname, fname, rc);
1995 /* Atomatically put lease, split layouts and close. */
1996 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2002 data->lil_mode = LL_LEASE_UNLCK;
2003 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2004 data->lil_count = 2;
2005 data->lil_ids[0] = fdv;
2006 data->lil_ids[1] = id;
2007 rc = llapi_lease_set(fd, data);
2009 if (rc == 0) /* lost lease lock */
2012 "error %s: cannot split '%s': %s\n",
2013 progname, fname, strerror(-rc));
2024 llapi_layout_free(layout);
2029 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2030 __u16 *mirror_ids, int ids_nr);
2032 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2033 __u64 migration_flags,
2034 struct llapi_stripe_param *param,
2035 struct llapi_layout *layout)
2037 struct ll_ioc_lease *data = NULL;
2040 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2042 error_loc = "cannot get lease";
2046 /* Atomically put lease, merge layouts, resync and close. */
2047 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2049 error_loc = "memory allocation";
2052 data->lil_mode = LL_LEASE_UNLCK;
2053 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2054 data->lil_count = 1;
2055 data->lil_ids[0] = fdv;
2056 rc = llapi_lease_set(fd, data);
2058 error_loc = "cannot merge layout";
2060 } else if (rc == 0) {
2062 error_loc = "lost lease lock";
2068 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2070 error_loc = "cannot resync file";
2074 /* delete first mirror now */
2075 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2077 error_loc = "cannot delete old layout";
2085 fprintf(stderr, "error: %s: %s: %s: %s\n",
2086 progname, name, error_loc, strerror(-rc));
2087 else if (migration_flags & MIGRATION_VERBOSE)
2088 printf("%s\n", name);
2095 * Parse a string containing an target index list into an array of integers.
2097 * The input string contains a comma delimited list of individual
2098 * indices and ranges, for example "1,2-4,7". Add the indices into the
2099 * \a tgts array and remove duplicates.
2101 * \param[out] tgts array to store indices in
2102 * \param[in] size size of \a tgts array
2103 * \param[in] offset starting index in \a tgts
2104 * \param[in] arg string containing OST index list
2105 * \param[in/out] overstriping index list may contain duplicates
2107 * \retval positive number of indices in \a tgts
2108 * \retval -EINVAL unable to parse \a arg
2110 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2111 unsigned long long *pattern)
2115 int slots = size - offset;
2117 bool overstriped = false;
2123 end_of_loop = false;
2124 while (!end_of_loop) {
2125 int start_index = 0;
2128 char *endptr = NULL;
2132 ptr = strchrnul(arg, ',');
2134 end_of_loop = *ptr == '\0';
2137 start_index = strtol(arg, &endptr, 0);
2138 if (endptr == arg) /* no data at all */
2140 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2143 end_index = start_index;
2144 if (*endptr == '-') {
2145 end_index = strtol(endptr + 1, &endptr, 0);
2146 if (*endptr != '\0')
2148 if (end_index < start_index)
2152 for (i = start_index; i <= end_index && slots > 0; i++) {
2155 /* remove duplicate */
2156 for (j = 0; j < offset; j++) {
2157 if (tgts[j] == i && pattern &&
2158 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2160 else if (tgts[j] == i)
2166 if (j == offset) { /* check complete */
2172 if (slots == 0 && i < end_index)
2180 if (!end_of_loop && ptr != NULL)
2183 if (!overstriped && pattern)
2184 *pattern = LLAPI_LAYOUT_DEFAULT;
2186 return rc < 0 ? rc : nr;
2189 struct lfs_setstripe_args {
2190 unsigned long long lsa_comp_end;
2191 unsigned long long lsa_stripe_size;
2192 unsigned long long lsa_extension_size;
2193 long long lsa_stripe_count;
2194 long long lsa_stripe_off;
2195 __u32 lsa_comp_flags;
2196 __u32 lsa_comp_neg_flags;
2197 unsigned long long lsa_pattern;
2198 unsigned int lsa_mirror_count;
2200 bool lsa_first_comp;
2201 bool lsa_extension_comp;
2203 char *lsa_pool_name;
2206 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2208 unsigned int mirror_count = lsa->lsa_mirror_count;
2209 bool first_comp = lsa->lsa_first_comp;
2211 memset(lsa, 0, sizeof(*lsa));
2213 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2214 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2215 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2216 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2217 lsa->lsa_pool_name = NULL;
2219 lsa->lsa_mirror_count = mirror_count;
2220 lsa->lsa_first_comp = first_comp;
2224 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2225 * @lsa: Stripe options to be initialized and inherited.
2227 * This function initializes stripe options in @lsa and inherit
2228 * stripe_size, stripe_count and OST pool_name options.
2232 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2234 unsigned long long stripe_size;
2235 long long stripe_count;
2236 char *pool_name = NULL;
2238 stripe_size = lsa->lsa_stripe_size;
2239 stripe_count = lsa->lsa_stripe_count;
2240 pool_name = lsa->lsa_pool_name;
2242 setstripe_args_init(lsa);
2244 lsa->lsa_stripe_size = stripe_size;
2245 lsa->lsa_stripe_count = stripe_count;
2246 lsa->lsa_pool_name = pool_name;
2249 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2251 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2252 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2253 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2254 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2255 lsa->lsa_comp_end != 0);
2259 * comp_args_to_layout() - Create or extend a composite layout.
2260 * @composite: Pointer to the composite layout.
2261 * @lsa: Stripe options for the new component.
2263 * This function creates or extends a composite layout by adding a new
2264 * component with stripe options from @lsa.
2266 * Return: 0 on success or an error code on failure.
2268 static int comp_args_to_layout(struct llapi_layout **composite,
2269 struct lfs_setstripe_args *lsa,
2272 struct llapi_layout *layout = *composite;
2273 uint64_t prev_end = 0;
2278 if (layout == NULL) {
2279 layout = llapi_layout_alloc();
2280 if (layout == NULL) {
2281 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2286 *composite = layout;
2287 lsa->lsa_first_comp = true;
2291 /* Get current component extent, current component
2292 * must be the tail component. */
2293 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2295 fprintf(stderr, "Get comp extent failed. %s\n",
2300 if (lsa->lsa_first_comp)
2303 if (lsa->lsa_first_comp)
2304 rc = llapi_layout_add_first_comp(layout);
2306 rc = llapi_layout_comp_add(layout);
2308 fprintf(stderr, "Add component failed. %s\n",
2314 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2316 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2317 lsa->lsa_comp_flags, strerror(errno));
2322 uint64_t comp_end = lsa->lsa_comp_end;
2324 /* The extendable component is 0-length, so it can be removed
2325 * if there is insufficient space to extend it. */
2326 if (lsa->lsa_extension_comp)
2327 comp_end = prev_end;
2329 rc = llapi_layout_comp_extent_set(layout, prev_end,
2332 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2333 prev_end, comp_end, strerror(errno));
2337 /* reset lsa_first_comp */
2338 lsa->lsa_first_comp = false;
2340 /* Data-on-MDT component setting */
2341 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2342 /* In case of Data-on-MDT patterns the only extra option
2343 * applicable is stripe size option. */
2344 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2345 fprintf(stderr, "Option 'stripe-count' can't be "
2346 "specified with Data-on-MDT component: %lld\n",
2347 (long long)lsa->lsa_stripe_count);
2351 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2352 fprintf(stderr, "Option 'stripe-size' can't be "
2353 "specified with Data-on-MDT component: %llu\n",
2354 (unsigned long long)lsa->lsa_stripe_size);
2358 if (lsa->lsa_nr_tgts != 0) {
2359 fprintf(stderr, "Option 'ost-list' can't be specified "
2360 "with Data-on-MDT component: '%i'\n",
2365 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2366 fprintf(stderr, "Option 'stripe-offset' can't be "
2367 "specified with Data-on-MDT component: %lld\n",
2368 (long long)lsa->lsa_stripe_off);
2372 if (lsa->lsa_pool_name != 0) {
2373 fprintf(stderr, "Option 'pool' can't be specified "
2374 "with Data-on-MDT component: '%s'\n",
2375 lsa->lsa_pool_name);
2380 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2382 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2383 (unsigned long long)lsa->lsa_pattern,
2387 /* Data-on-MDT component has always single stripe up to end */
2388 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2389 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2390 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2392 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2393 (unsigned long long)lsa->lsa_pattern,
2399 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2400 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2402 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2403 rc = llapi_layout_extension_size_set(layout, size);
2405 rc = llapi_layout_stripe_size_set(layout, size);
2408 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2409 size, strerror(errno));
2413 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2415 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2416 (long long)lsa->lsa_stripe_count, strerror(errno));
2420 if (lsa->lsa_pool_name != NULL) {
2421 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2423 fprintf(stderr, "Set pool name: %s failed. %s\n",
2424 lsa->lsa_pool_name, strerror(errno));
2428 rc = llapi_layout_pool_name_set(layout, "");
2430 fprintf(stderr, "Clear pool name failed: %s\n",
2436 if (lsa->lsa_nr_tgts > 0) {
2437 if (lsa->lsa_stripe_count > 0 &&
2438 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2439 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2440 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2441 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2442 (long long)lsa->lsa_stripe_count,
2447 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2448 rc = llapi_layout_ost_index_set(layout, i,
2453 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2454 lsa->lsa_stripe_off != -1) {
2455 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2458 fprintf(stderr, "Set ost index %d failed. %s\n",
2459 i, strerror(errno));
2463 /* Create the second, virtual component of extension space */
2464 if (lsa->lsa_extension_comp) {
2465 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2466 lsa->lsa_extension_comp = false;
2473 static int build_component(struct llapi_layout **layout,
2474 struct lfs_setstripe_args *lsa, bool set_extent)
2478 rc = comp_args_to_layout(layout, lsa, set_extent);
2482 if (lsa->lsa_mirror_count > 0) {
2483 rc = llapi_layout_mirror_count_set(*layout,
2484 lsa->lsa_mirror_count);
2488 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2491 lsa->lsa_mirror_count = 0;
2497 static int build_layout_from_yaml_node(struct cYAML *node,
2498 struct llapi_layout **layout,
2499 struct lfs_setstripe_args *lsa,
2506 if (node->cy_type == CYAML_TYPE_OBJECT) {
2507 /* go deep to sub blocks */
2508 rc = build_layout_from_yaml_node(node->cy_child, layout,
2513 if (node->cy_string == NULL)
2516 string = node->cy_string;
2517 /* skip leading lmm_ if present, to simplify parsing */
2518 if (strncmp(string, "lmm_", 4) == 0)
2521 if (node->cy_type == CYAML_TYPE_STRING) {
2522 if (!strcmp(string, "lcme_extent.e_end")) {
2523 if (!strcmp(node->cy_valuestring, "EOF") ||
2524 !strcmp(node->cy_valuestring, "eof"))
2525 lsa->lsa_comp_end = LUSTRE_EOF;
2526 } else if (!strcmp(string, "pool")) {
2527 lsa->lsa_pool_name = node->cy_valuestring;
2528 } else if (!strcmp(string, "pattern")) {
2529 if (!strcmp(node->cy_valuestring, "mdt"))
2530 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2531 if (!strcmp(node->cy_valuestring,
2532 "raid0,overstriped"))
2534 LLAPI_LAYOUT_OVERSTRIPING;
2535 } else if (!strcmp(string, "lcme_flags")) {
2536 rc = comp_str2flags(node->cy_valuestring,
2537 &lsa->lsa_comp_flags,
2538 &lsa->lsa_comp_neg_flags);
2541 /* Only template flags have meaning in
2542 * the layout for a new file
2544 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2546 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2547 if (!strcmp(string, "lcm_mirror_count")) {
2548 lsa->lsa_mirror_count = node->cy_valueint;
2549 } else if (!strcmp(string, "lcme_extent.e_start")) {
2550 if (node->cy_valueint != 0 || *layout != NULL) {
2551 rc = build_component(layout, lsa, true);
2556 if (node->cy_valueint == 0)
2557 lsa->lsa_first_comp = true;
2559 /* initialize lsa */
2560 setstripe_args_init(lsa);
2561 lsa->lsa_tgts = osts;
2562 } else if (!strcmp(string, "lcme_extent.e_end")) {
2563 if (node->cy_valueint == -1)
2564 lsa->lsa_comp_end = LUSTRE_EOF;
2566 lsa->lsa_comp_end = node->cy_valueint;
2567 } else if (!strcmp(string, "stripe_count")) {
2568 lsa->lsa_stripe_count = node->cy_valueint;
2569 } else if (!strcmp(string, "stripe_size")) {
2570 lsa->lsa_stripe_size = node->cy_valueint;
2571 } else if (!strcmp(string, "stripe_offset")) {
2572 lsa->lsa_stripe_off = node->cy_valueint;
2573 } else if (!strcmp(string, "l_ost_idx")) {
2574 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2579 node = node->cy_next;
2585 static int lfs_comp_create_from_yaml(char *template,
2586 struct llapi_layout **layout,
2587 struct lfs_setstripe_args *lsa,
2590 struct cYAML *tree = NULL, *err_rc = NULL;
2593 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2595 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2596 progname, template);
2597 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2598 "can't parse", &err_rc);
2599 cYAML_print_tree2file(stderr, err_rc);
2600 cYAML_free_tree(err_rc);
2605 /* initialize lsa for plain file */
2606 setstripe_args_init(lsa);
2607 lsa->lsa_tgts = osts;
2609 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2611 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2612 progname, template);
2615 rc = build_component(layout, lsa, *layout != NULL);
2617 /* clean clean lsa */
2618 setstripe_args_init(lsa);
2622 cYAML_free_tree(tree);
2627 * Get the extension size from the next (SEL) component and extend the
2628 * current component on it. The start of the next component is to be
2631 * \param[in] layout the current layout
2632 * \param[in] start the start of the current component
2633 * \param[in,out] end the end of the current component
2634 * \param[in] offset the offset to adjust the end position to instead of
2637 * \retval 0 - extended successfully
2638 * \retval < 0 - error
2640 static int layout_extend_comp(struct llapi_layout *layout,
2641 uint64_t start, uint64_t *end,
2644 uint64_t size, next_start, next_end;
2647 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
2649 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2650 "%s\n", progname, strerror(errno));
2654 /* Even if the @size will not be used below, this will fail if
2655 * this is not a SEL component - a good confirmation we are
2656 * working on right components. */
2657 rc = llapi_layout_extension_size_get(layout, &size);
2659 fprintf(stderr, "%s setstripe: cannot get component ext size: "
2660 "%s\n", progname, strerror(errno));
2664 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
2666 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2667 progname, strerror(errno));
2671 next_start += offset ?: size;
2672 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
2674 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2675 progname, strerror(errno));
2679 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
2681 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2682 "%s\n", progname, strerror(errno));
2686 *end += offset ?: size;
2687 rc = llapi_layout_comp_extent_set(layout, start, *end);
2689 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2690 progname, strerror(errno));
2698 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
2699 * end of the last component in the existing file, and adjust the
2700 * first extent start of the components to be added accordingly.
2702 * In the create mode, we need to check if the first component is an extendable
2703 * SEL component and extend its length to the extension size (first component
2704 * of the PFL file is initialised at the create time, cannot be 0-lenght.
2706 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
2709 struct llapi_layout *head;
2710 uint64_t start = 0, prev_end = 0;
2719 head = llapi_layout_get_by_path(fname, 0);
2722 "%s setstripe: cannot read layout from '%s': "
2723 "%s\n", progname, fname, strerror(errno));
2725 } else if (errno == ENODATA) {
2726 /* file without LOVEA, this component-add will be turned
2727 * into a component-create. */
2728 llapi_layout_free(head);
2731 /* the new layout will be added to an empty one, it
2732 * still needs to be adjusted below */
2735 } else if (!llapi_layout_is_composite(head)) {
2736 fprintf(stderr, "%s setstripe: '%s' not a composite "
2737 "file\n", progname, fname);
2738 llapi_layout_free(head);
2742 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2744 fprintf(stderr, "%s setstripe: cannot get prev "
2745 "extent: %s\n", progname, strerror(errno));
2746 llapi_layout_free(head);
2750 llapi_layout_free(head);
2754 /* Make sure we use the first component of the layout to be added. */
2755 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2758 "%s setstripe: cannot move component cursor: %s\n",
2759 progname, strerror(errno));
2763 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2765 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2766 progname, strerror(errno));
2770 if (start == 0 && end == 0) {
2771 rc = layout_extend_comp(layout, start, &end,
2772 comp_add ? prev_end : 0);
2777 if (start > prev_end || end < prev_end) {
2778 fprintf(stderr, "%s setstripe: first extent [%lu, %lu) not "
2779 "adjacent with extent end %lu\n",
2780 progname, start, end, prev_end);
2784 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2786 fprintf(stderr, "%s setstripe: cannot set component extent "
2788 progname, prev_end, end, strerror(errno));
2795 static int mirror_adjust_first_extents(struct mirror_args *list)
2802 while (list != NULL) {
2803 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
2806 list = list->m_next;
2812 static inline bool arg_is_eof(char *arg)
2814 return !strncmp(arg, "-1", strlen("-1")) ||
2815 !strncmp(arg, "EOF", strlen("EOF")) ||
2816 !strncmp(arg, "eof", strlen("eof"));
2820 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2822 * Return: Valid mirror_args pointer on success and
2823 * NULL if memory allocation fails.
2825 static struct mirror_args *lfs_mirror_alloc(void)
2827 struct mirror_args *mirror = NULL;
2830 mirror = calloc(1, sizeof(*mirror));
2841 * lfs_mirror_free() - Free memory allocated for a mirror argument
2843 * @mirror: Previously allocated mirror argument structure by
2844 * lfs_mirror_alloc().
2846 * Free memory allocated for @mirror.
2850 static void lfs_mirror_free(struct mirror_args *mirror)
2852 if (mirror->m_layout != NULL)
2853 llapi_layout_free(mirror->m_layout);
2858 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2859 * @mirror_list: Previously allocated mirror list.
2861 * Free memory allocated for @mirror_list.
2865 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2867 struct mirror_args *next_mirror = NULL;
2869 while (mirror_list != NULL) {
2870 next_mirror = mirror_list->m_next;
2871 lfs_mirror_free(mirror_list);
2872 mirror_list = next_mirror;
2884 LFS_COMP_NO_VERIFY_OPT,
2886 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
2888 LFS_MIRROR_STATE_OPT,
2890 LFS_MIRROR_INDEX_OPT,
2891 LFS_LAYOUT_FOREIGN_OPT,
2896 static int lfs_setstripe_internal(int argc, char **argv,
2897 enum setstripe_origin opc)
2899 struct lfs_setstripe_args lsa = { 0 };
2900 struct llapi_stripe_param *param = NULL;
2901 struct find_param migrate_mdt_param = {
2911 unsigned long long size_units = 1;
2912 bool migrate_mode = false;
2913 bool migrate_mdt_mode = false;
2914 bool setstripe_mode = false;
2915 bool migration_block = false;
2916 __u64 migration_flags = 0;
2917 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
2918 int comp_del = 0, comp_set = 0;
2921 struct llapi_layout *layout = NULL;
2922 struct llapi_layout **lpp = &layout;
2923 bool mirror_mode = false;
2924 bool has_m_file = false;
2925 __u32 mirror_count = 0;
2926 enum mirror_flags mirror_flags = 0;
2927 struct mirror_args *mirror_list = NULL;
2928 struct mirror_args *new_mirror = NULL;
2929 struct mirror_args *last_mirror = NULL;
2930 __u16 mirror_id = 0;
2932 bool from_yaml = false;
2933 bool from_copy = false;
2934 char *template = NULL;
2935 bool foreign_mode = false;
2937 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
2938 char *mode_opt = NULL;
2939 mode_t previous_umask = 0;
2940 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
2942 struct option long_opts[] = {
2943 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
2944 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
2945 /* --block is only valid in migrate mode */
2946 { .val = 'b', .name = "block", .has_arg = no_argument },
2947 { .val = LFS_COMP_ADD_OPT,
2948 .name = "comp-add", .has_arg = no_argument },
2949 { .val = LFS_COMP_ADD_OPT,
2950 .name = "component-add", .has_arg = no_argument },
2951 { .val = LFS_COMP_DEL_OPT,
2952 .name = "comp-del", .has_arg = no_argument },
2953 { .val = LFS_COMP_DEL_OPT,
2954 .name = "component-del", .has_arg = no_argument },
2955 { .val = LFS_COMP_FLAGS_OPT,
2956 .name = "comp-flags", .has_arg = required_argument },
2957 { .val = LFS_COMP_FLAGS_OPT,
2958 .name = "component-flags",
2959 .has_arg = required_argument },
2960 { .val = LFS_COMP_SET_OPT,
2961 .name = "comp-set", .has_arg = no_argument },
2962 { .val = LFS_COMP_SET_OPT,
2963 .name = "component-set",
2964 .has_arg = no_argument},
2965 { .val = LFS_COMP_NO_VERIFY_OPT,
2966 .name = "no-verify", .has_arg = no_argument},
2967 { .val = LFS_LAYOUT_FLAGS_OPT,
2968 .name = "flags", .has_arg = required_argument},
2969 { .val = LFS_LAYOUT_FOREIGN_OPT,
2970 .name = "foreign", .has_arg = optional_argument},
2971 { .val = LFS_MIRROR_ID_OPT,
2972 .name = "mirror-id", .has_arg = required_argument},
2973 { .val = LFS_MODE_OPT,
2974 .name = "mode", .has_arg = required_argument},
2975 { .val = LFS_LAYOUT_COPY,
2976 .name = "copy", .has_arg = required_argument},
2977 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
2978 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
2979 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
2980 { .val = 'C', .name = "overstripe-count",
2981 .has_arg = required_argument},
2982 { .val = 'd', .name = "delete", .has_arg = no_argument},
2983 { .val = 'd', .name = "destroy", .has_arg = no_argument},
2984 /* --non-direct is only valid in migrate mode */
2985 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
2986 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
2987 { .val = 'E', .name = "component-end",
2988 .has_arg = required_argument},
2989 { .val = 'f', .name = "file", .has_arg = required_argument },
2990 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
2991 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
2992 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
2993 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
2994 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
2995 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
2996 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
2997 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
2998 { .val = 'I', .name = "component-id", .has_arg = required_argument},
2999 { .val = 'L', .name = "layout", .has_arg = required_argument },
3000 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3001 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3002 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3003 /* --non-block is only valid in migrate mode */
3004 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3005 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3006 { .val = 'o', .name = "ost", .has_arg = required_argument },
3007 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3008 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3009 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3011 { .val = 'p', .name = "pool", .has_arg = required_argument },
3012 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3013 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3014 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3015 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3016 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3017 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3018 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3019 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3020 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3021 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3022 /* --verbose is only valid in migrate mode */
3023 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3024 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3025 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3026 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3027 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3030 setstripe_args_init(&lsa);
3032 migrate_mode = (opc == SO_MIGRATE);
3033 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3034 setstripe_mode = (opc == SO_SETSTRIPE);
3036 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3038 while ((c = getopt_long(argc, argv,
3039 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3040 long_opts, NULL)) >= 0) {
3046 case LFS_COMP_ADD_OPT:
3049 case LFS_COMP_DEL_OPT:
3052 case LFS_COMP_FLAGS_OPT:
3053 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3054 &lsa.lsa_comp_neg_flags);
3057 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3058 fprintf(stderr, "%s: inverted flags are not supported\n",
3063 case LFS_COMP_SET_OPT:
3066 case LFS_COMP_NO_VERIFY_OPT:
3067 mirror_flags |= MF_NO_VERIFY;
3069 case LFS_MIRROR_ID_OPT:
3070 mirror_id = strtoul(optarg, &end, 0);
3071 if (*end != '\0' || mirror_id == 0) {
3073 "%s %s: invalid mirror ID '%s'\n",
3074 progname, argv[0], optarg);
3078 case LFS_LAYOUT_FLAGS_OPT: {
3081 /* check for numeric flags (foreign and mirror cases) */
3082 if (setstripe_mode && !mirror_mode && !last_mirror) {
3083 flags = strtoul(optarg, &end, 16);
3086 "%s %s: bad flags '%s'\n",
3087 progname, argv[0], optarg);
3093 if (!mirror_mode || !last_mirror) {
3094 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
3099 result = comp_str2flags(optarg, &last_mirror->m_flags,
3105 fprintf(stderr, "%s: inverted flags are not supported\n",
3110 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3112 "%s: unsupported mirror flags: %s\n",
3119 case LFS_LAYOUT_FOREIGN_OPT:
3120 if (optarg != NULL) {
3121 /* check pure numeric */
3122 type = strtoul(optarg, &end, 0);
3125 type = check_foreign_type_name(optarg);
3126 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3128 "%s %s: unrecognized foreign type '%s'\n",
3135 foreign_mode = true;
3139 if (mode_opt != NULL) {
3140 mode = strtoul(mode_opt, &end, 8);
3143 "%s %s: bad mode '%s'\n",
3144 progname, argv[0], mode_opt);
3147 previous_umask = umask(0);
3150 case LFS_LAYOUT_COPY:
3155 if (!migrate_mode) {
3157 "%s %s: -b|--block valid only for migrate command\n",
3161 migration_block = true;
3164 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3167 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3170 "%s %s: invalid stripe count '%s'\n",
3171 progname, argv[0], optarg);
3175 if (lsa.lsa_stripe_count == -1)
3176 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3179 /* delete the default striping pattern */
3181 if (opc == SO_MIRROR_SPLIT) {
3184 "%s %s: -d cannot used with -f\n",
3188 mirror_flags |= MF_DESTROY;
3192 if (!migrate_mode) {
3194 "%s %s: -D|--non-direct is valid "
3195 "only for migrate command\n",
3199 migration_flags |= MIGRATION_NONDIRECT;
3202 if (lsa.lsa_comp_end != 0) {
3203 result = comp_args_to_layout(lpp, &lsa, true);
3205 fprintf(stderr, "%s: invalid layout\n",
3210 setstripe_args_init_inherit(&lsa);
3213 if (arg_is_eof(optarg)) {
3214 lsa.lsa_comp_end = LUSTRE_EOF;
3216 result = llapi_parse_size(optarg,
3221 "%s %s: invalid component end '%s'\n",
3222 progname, argv[0], optarg);
3228 if (!migrate_mode) {
3229 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3233 lsa.lsa_pattern = check_hashtype(optarg);
3234 if (lsa.lsa_pattern == 0) {
3236 "%s %s: bad stripe hash type '%s'\n",
3237 progname, argv[0], optarg);
3242 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3245 "%s %s: invalid stripe offset '%s'\n",
3246 progname, argv[0], optarg);
3249 if (lsa.lsa_stripe_off == -1)
3250 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3253 comp_id = strtoul(optarg, &end, 0);
3254 if (*end != '\0' || comp_id == 0 ||
3255 comp_id > LCME_ID_MAX) {
3257 "%s %s: invalid component ID '%s'\n",
3258 progname, argv[0], optarg);
3263 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3265 "error: %s: invalid option: %s\n",
3266 progname, argv[optopt + 1]);
3269 if (opc == SO_MIRROR_EXTEND) {
3270 if (last_mirror == NULL) {
3272 "error: %s: '-N' must exist in front of '%s'\n",
3273 progname, argv[optopt + 1]);
3276 last_mirror->m_file = optarg;
3277 last_mirror->m_count = 1;
3280 if (mirror_list == NULL)
3281 mirror_list = lfs_mirror_alloc();
3282 mirror_list->m_file = optarg;
3287 if (strcmp(argv[optind - 1], "mdt") == 0) {
3288 /* Can be only the first component */
3289 if (layout != NULL) {
3291 fprintf(stderr, "error: 'mdt' layout "
3292 "can be only the first one\n");
3295 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3297 fprintf(stderr, "error: 'mdt' layout "
3298 "size is too big\n");
3301 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3302 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3304 fprintf(stderr, "error: layout '%s' is "
3305 "unknown, supported layouts are: "
3306 "'mdt', 'raid0'\n", argv[optind]);
3311 if (!migrate_mode) {
3313 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3317 migrate_mdt_mode = true;
3318 lsa.lsa_nr_tgts = parse_targets(tgts,
3319 sizeof(tgts) / sizeof(__u32),
3320 lsa.lsa_nr_tgts, optarg, NULL);
3321 if (lsa.lsa_nr_tgts < 0) {
3323 "%s %s: invalid MDT target(s) '%s'\n",
3324 progname, argv[0], optarg);
3328 lsa.lsa_tgts = tgts;
3329 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3330 lsa.lsa_stripe_off = tgts[0];
3333 if (!migrate_mode) {
3335 "%s %s: -n|--non-block valid only for migrate command\n",
3339 migration_flags |= MIGRATION_NONBLOCK;
3342 if (opc == SO_SETSTRIPE) {
3343 opc = SO_MIRROR_CREATE;
3347 if (optarg != NULL) {
3348 mirror_count = strtoul(optarg, &end, 0);
3349 if (*end != '\0' || mirror_count == 0) {
3351 "error: %s: bad mirror count: %s\n",
3358 new_mirror = lfs_mirror_alloc();
3359 new_mirror->m_count = mirror_count;
3361 if (mirror_list == NULL)
3362 mirror_list = new_mirror;
3364 if (last_mirror != NULL) {
3365 /* wrap up last mirror */
3366 if (lsa.lsa_comp_end == 0)
3367 lsa.lsa_comp_end = LUSTRE_EOF;
3369 result = comp_args_to_layout(lpp, &lsa, true);
3371 lfs_mirror_free(new_mirror);
3375 setstripe_args_init_inherit(&lsa);
3377 last_mirror->m_next = new_mirror;
3380 last_mirror = new_mirror;
3381 lpp = &last_mirror->m_layout;
3384 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3385 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3386 fprintf(stderr, "warning: '--ost-list' is "
3387 "deprecated, use '--ost' instead\n");
3389 /* -o allows overstriping, and must note it because
3390 * parse_targets is shared with MDT striping, which
3391 * does not allow duplicates
3393 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3394 lsa.lsa_nr_tgts = parse_targets(tgts,
3395 sizeof(tgts) / sizeof(__u32),
3396 lsa.lsa_nr_tgts, optarg,
3398 if (lsa.lsa_nr_tgts < 0) {
3400 "%s %s: invalid OST target(s) '%s'\n",
3401 progname, argv[0], optarg);
3405 lsa.lsa_tgts = tgts;
3406 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3407 lsa.lsa_stripe_off = tgts[0];
3412 lsa.lsa_pool_name = optarg;
3414 if (strlen(lsa.lsa_pool_name) == 0 ||
3415 strncmp(lsa.lsa_pool_name, "none",
3416 LOV_MAXPOOLNAME) == 0)
3417 lsa.lsa_pool_name = NULL;
3420 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3424 "%s %s: invalid stripe size '%s'\n",
3425 progname, argv[0], optarg);
3430 if (!migrate_mode) {
3432 "%s %s: -v|--verbose valid only for migrate command\n",
3436 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3437 migration_flags = MIGRATION_VERBOSE;
3447 result = llapi_parse_size(optarg,
3448 &lsa.lsa_extension_size,
3452 "%s %s: invalid extension size '%s'\n",
3453 progname, argv[0], optarg);
3457 lsa.lsa_extension_comp = true;
3460 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3461 progname, argv[0], argv[optind - 1]);
3466 fname = argv[optind];
3468 if (optind == argc) {
3469 fprintf(stderr, "%s %s: FILE must be specified\n",
3474 if (xattr && !foreign_mode) {
3475 /* only print a warning as this is harmless and will be ignored
3478 "%s %s: xattr has been specified for non-foreign layout\n",
3480 } else if (foreign_mode && !xattr) {
3482 "%s %s: xattr must be provided in foreign mode\n",
3487 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3488 comp_set || comp_id || delete || from_copy ||
3489 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3492 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3497 if (mirror_mode && mirror_count == 0) {
3499 "error: %s: --mirror-count|-N option is required\n",
3506 if (lsa.lsa_comp_end == 0)
3507 lsa.lsa_comp_end = LUSTRE_EOF;
3510 if (lsa.lsa_comp_end != 0) {
3511 result = comp_args_to_layout(lpp, &lsa, true);
3513 fprintf(stderr, "error: %s: invalid layout\n",
3520 if (mirror_flags & MF_NO_VERIFY) {
3521 if (opc != SO_MIRROR_EXTEND) {
3523 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3527 } else if (!has_m_file) {
3529 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3536 if (comp_set && !comp_id) {
3537 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3542 if ((delete + comp_set + comp_del + comp_add) > 1) {
3544 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3549 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3550 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3552 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3557 if ((comp_set || comp_del) &&
3558 (setstripe_args_specified(&lsa) || layout != NULL)) {
3560 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3565 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3567 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3572 if (comp_add || comp_del) {
3575 result = lstat(fname, &st);
3576 if (result == 0 && S_ISDIR(st.st_mode)) {
3578 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3584 fprintf(stderr, "error: %s: can't use --component-add "
3585 "or --component-del for mirror operation\n",
3592 if (layout == NULL) {
3594 "%s %s: option -E must be specified with --component-add\n",
3600 if (layout != NULL || mirror_list != NULL) {
3602 result = mirror_adjust_first_extents(mirror_list);
3604 result = layout_adjust_first_extent(fname, layout,
3606 if (result == -ENODATA)
3608 else if (result != 0) {
3609 fprintf(stderr, "error: %s: invalid layout\n",
3615 if (from_yaml && from_copy) {
3617 "%s: can't specify --yaml and --copy together\n",
3622 if ((from_yaml || from_copy) &&
3623 (setstripe_args_specified(&lsa) || layout != NULL)) {
3624 fprintf(stderr, "error: %s: can't specify --yaml with "
3625 "-c, -S, -i, -o, -p or -E options.\n",
3630 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3632 "%s %s: options --non-block and --block are mutually exclusive\n",
3637 if (!comp_del && !comp_set && (opc != SO_MIRROR_SPLIT) &&
3640 "%s %s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3645 if (migrate_mdt_mode) {
3646 struct lmv_user_md *lmu;
3648 /* initialize migrate mdt parameters */
3649 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3650 LMV_USER_MAGIC_SPECIFIC));
3653 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3654 progname, argv[0], strerror(ENOMEM));
3658 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3659 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3660 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3662 "%s %s: migrate should specify MDT index\n",
3667 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3668 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3669 lmu->lum_hash_type = lsa.lsa_pattern;
3671 lmu->lum_hash_type = LMV_HASH_TYPE_DEFAULT;
3672 if (lsa.lsa_pool_name) {
3673 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3674 sizeof(lmu->lum_pool_name) - 1);
3675 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3677 if (lsa.lsa_nr_tgts > 1) {
3680 if (lsa.lsa_stripe_count > 0 &&
3681 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3682 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3684 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3686 (long long)lsa.lsa_stripe_count,
3692 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3693 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3694 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3695 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3697 lmu->lum_magic = LMV_USER_MAGIC;
3700 migrate_mdt_param.fp_lmv_md = lmu;
3701 migrate_mdt_param.fp_migrate = 1;
3702 } else if (layout == NULL) {
3703 /* initialize stripe parameters */
3704 param = calloc(1, offsetof(typeof(*param),
3705 lsp_osts[lsa.lsa_nr_tgts]));
3706 if (param == NULL) {
3708 "%s %s: cannot allocate memory for parameters: %s\n",
3709 progname, argv[0], strerror(ENOMEM));
3714 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3715 param->lsp_stripe_size = lsa.lsa_stripe_size;
3716 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3717 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3718 param->lsp_stripe_count = -1;
3720 param->lsp_stripe_count = lsa.lsa_stripe_count;
3722 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3723 param->lsp_stripe_offset = -1;
3725 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3726 param->lsp_stripe_pattern =
3727 llapi_pattern_to_lov(lsa.lsa_pattern);
3728 if (param->lsp_stripe_pattern == EINVAL) {
3729 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3734 param->lsp_pool = lsa.lsa_pool_name;
3735 param->lsp_is_specific = false;
3736 if (lsa.lsa_nr_tgts > 0) {
3737 if (lsa.lsa_stripe_count > 0 &&
3738 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3739 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3740 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3742 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3744 (long long)lsa.lsa_stripe_count,
3750 param->lsp_is_specific = true;
3751 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3752 memcpy(param->lsp_osts, tgts,
3753 sizeof(*tgts) * lsa.lsa_nr_tgts);
3758 /* generate a layout from a YAML template */
3759 result = lfs_comp_create_from_yaml(template, &layout,
3762 fprintf(stderr, "error: %s: can't create composite "
3763 "layout from template file %s\n",
3767 } else if (from_copy) {
3768 layout = llapi_layout_get_by_path(template, 0);
3769 if (layout == NULL) {
3771 "%s: can't create composite layout from file %s.\n",
3772 progname, template);
3777 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3778 if (migrate_mdt_mode) {
3779 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3780 } else if (migrate_mode) {
3781 result = lfs_migrate(fname, migration_flags, param,
3783 } else if (comp_set != 0) {
3784 result = lfs_component_set(fname, comp_id,
3786 lsa.lsa_comp_neg_flags);
3787 } else if (comp_del != 0) {
3788 result = lfs_component_del(fname, comp_id,
3790 lsa.lsa_comp_neg_flags);
3791 } else if (comp_add != 0) {
3792 result = lfs_component_add(fname, layout);
3793 } else if (opc == SO_MIRROR_CREATE) {
3794 result = mirror_create(fname, mirror_list);
3795 } else if (opc == SO_MIRROR_EXTEND) {
3796 result = mirror_extend(fname, mirror_list,
3798 } else if (opc == SO_MIRROR_SPLIT) {
3799 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
3801 "%s %s: no mirror id or component id or pool name"
3802 " is specified\n", progname, argv[0]);
3805 if (lsa.lsa_pool_name)
3806 mirror_flags |= MF_COMP_POOL;
3807 else if (mirror_id != 0)
3808 comp_id = mirror_id;
3810 mirror_flags |= MF_COMP_ID;
3811 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
3813 has_m_file ? mirror_list->m_file :
3815 } else if (layout != NULL) {
3816 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3822 } else if (foreign_mode) {
3823 result = llapi_file_create_foreign(fname, mode, type,
3830 result = llapi_file_open_param(fname,
3839 /* Save the first error encountered. */
3846 if (mode_opt != NULL)
3847 umask(previous_umask);
3850 free(migrate_mdt_param.fp_lmv_md);
3851 llapi_layout_free(layout);
3852 lfs_mirror_list_free(mirror_list);
3857 llapi_layout_free(layout);
3858 lfs_mirror_list_free(mirror_list);
3862 static int lfs_poollist(int argc, char **argv)
3867 return llapi_poollist(argv[1]);
3870 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3875 char *endptr = "AD";
3880 else if (str[0] == '-')
3886 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
3887 long long val = strtoll(timebuf, &endptr, 0);
3892 unit *= 52; /* 52 weeks + 1 day below */
3893 case 'w': /* fallthrough */
3895 case '\0': /* days are default unit if none used */
3896 case 'd': /* fallthrough */
3897 unit = (unit + (*endptr == 'y')) * 24;
3898 case 'h': /* fallthrough */
3900 case 'm': /* fallthrough */
3902 case 's': /* fallthrough */
3904 /* don't need to multiply by 1 for seconds */
3907 "%s find: bad time string '%s': %s\n",
3908 progname, timebuf, strerror(EINVAL));
3912 if (param->fp_time_margin == 0 ||
3913 (*endptr && unit < param->fp_time_margin))
3914 param->fp_time_margin = unit;
3921 fprintf(stderr, "%s find: bad time '%s': too large\n",
3931 static int name2uid(unsigned int *id, const char *name)
3933 struct passwd *passwd;
3935 passwd = getpwnam(name);
3938 *id = passwd->pw_uid;
3943 static int name2gid(unsigned int *id, const char *name)
3945 struct group *group;
3947 group = getgrnam(name);
3950 *id = group->gr_gid;
3955 static inline int name2projid(unsigned int *id, const char *name)
3960 static int uid2name(char **name, unsigned int id)
3962 struct passwd *passwd;
3964 passwd = getpwuid(id);
3967 *name = passwd->pw_name;
3972 static inline int gid2name(char **name, unsigned int id)
3974 struct group *group;
3976 group = getgrgid(id);
3979 *name = group->gr_name;
3984 static int name2layout(__u32 *layout, char *name)
3986 char *ptr, *layout_name;
3989 for (ptr = name; ; ptr = NULL) {
3990 layout_name = strtok(ptr, ",");
3991 if (layout_name == NULL)
3993 if (strcmp(layout_name, "released") == 0)
3994 *layout |= LOV_PATTERN_F_RELEASED;
3995 else if (strcmp(layout_name, "raid0") == 0)
3996 *layout |= LOV_PATTERN_RAID0;
3997 else if (strcmp(layout_name, "mdt") == 0)
3998 *layout |= LOV_PATTERN_MDT;
3999 else if (strcmp(layout_name, "overstriping") == 0)
4000 *layout |= LOV_PATTERN_OVERSTRIPING;
4007 static int lfs_find(int argc, char **argv)
4012 struct find_param param = {
4015 .fp_time_margin = 24 * 60 * 60,
4017 struct option long_opts[] = {
4018 { .val = 'A', .name = "atime", .has_arg = required_argument },
4019 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4020 { .val = LFS_COMP_COUNT_OPT,
4021 .name = "comp-count", .has_arg = required_argument },
4022 { .val = LFS_COMP_COUNT_OPT,
4023 .name = "component-count",
4024 .has_arg = required_argument },
4025 { .val = LFS_COMP_FLAGS_OPT,
4026 .name = "comp-flags", .has_arg = required_argument },
4027 { .val = LFS_COMP_FLAGS_OPT,
4028 .name = "component-flags",
4029 .has_arg = required_argument },
4030 { .val = LFS_COMP_START_OPT,
4031 .name = "comp-start", .has_arg = required_argument },
4032 { .val = LFS_COMP_START_OPT,
4033 .name = "component-start",
4034 .has_arg = required_argument },
4035 { .val = LFS_MIRROR_STATE_OPT,
4036 .name = "mirror-state", .has_arg = required_argument },
4037 { .val = LFS_LAYOUT_FOREIGN_OPT,
4038 .name = "foreign", .has_arg = optional_argument},
4039 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4040 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4041 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4042 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4043 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4044 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4045 { .val = 'E', .name = "component-end",
4046 .has_arg = required_argument },
4047 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4048 { .val = LFS_LAYOUT_FOREIGN_OPT,
4049 .name = "foreign", .has_arg = optional_argument},
4050 { .val = 'g', .name = "gid", .has_arg = required_argument },
4051 { .val = 'G', .name = "group", .has_arg = required_argument },
4052 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4053 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4054 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4055 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4056 { .val = 'L', .name = "layout", .has_arg = required_argument },
4057 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4058 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4059 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4060 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4061 { .val = 'n', .name = "name", .has_arg = required_argument },
4062 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4063 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4064 { .val = 'O', .name = "obd", .has_arg = required_argument },
4065 { .val = 'O', .name = "ost", .has_arg = required_argument },
4066 /* no short option for pool yet, can be 'p' after 2.18 */
4067 { .val = LFS_POOL_OPT,
4068 .name = "pool", .has_arg = required_argument },
4069 { .val = '0', .name = "print0", .has_arg = no_argument },
4070 { .val = 'P', .name = "print", .has_arg = no_argument },
4071 { .val = LFS_PROJID_OPT,
4072 .name = "projid", .has_arg = required_argument },
4073 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4074 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4075 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4076 { .val = 's', .name = "size", .has_arg = required_argument },
4077 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4078 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4079 { .val = 't', .name = "type", .has_arg = required_argument },
4080 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4081 { .val = 'u', .name = "uid", .has_arg = required_argument },
4082 { .val = 'U', .name = "user", .has_arg = required_argument },
4083 { .val = 'z', .name = "extension-size",
4084 .has_arg = required_argument },
4085 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4086 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4087 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4100 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4101 while ((c = getopt_long_only(argc, argv,
4102 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4103 long_opts, NULL)) >= 0) {
4108 /* '!' is part of option */
4109 /* when getopt_long_only() finds a string which is not
4110 * an option nor a known option argument it returns 1
4111 * in that case if we already have found pathstart and pathend
4112 * (i.e. we have the list of pathnames),
4113 * the only supported value is "!"
4115 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4116 if (!isoption && pathend != -1) {
4117 fprintf(stderr, "err: %s: filename|dirname must either "
4118 "precede options or follow options\n",
4123 if (!isoption && pathstart == -1)
4124 pathstart = optind - 1;
4125 if (isoption && pathstart != -1 && pathend == -1)
4126 pathend = optind - 2;
4132 /* unknown; opt is "!" or path component,
4133 * checking done above.
4135 if (strcmp(optarg, "!") == 0)
4139 xtime = ¶m.fp_atime;
4140 xsign = ¶m.fp_asign;
4141 param.fp_exclude_atime = !!neg_opt;
4142 /* no break, this falls through to 'C' for ctime */
4145 xtime = ¶m.fp_ctime;
4146 xsign = ¶m.fp_csign;
4147 param.fp_exclude_ctime = !!neg_opt;
4149 /* no break, this falls through to 'M' for mtime */
4152 xtime = ¶m.fp_mtime;
4153 xsign = ¶m.fp_msign;
4154 param.fp_exclude_mtime = !!neg_opt;
4156 rc = set_time(¶m, &t, xtime, optarg);
4157 if (rc == LONG_MAX) {
4165 if (optarg[0] == '+') {
4166 param.fp_blocks_sign = -1;
4168 } else if (optarg[0] == '-') {
4169 param.fp_blocks_sign = 1;
4173 param.fp_blocks_units = 1024;
4174 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4175 ¶m.fp_blocks_units, 0);
4177 fprintf(stderr, "error: bad blocks '%s'\n",
4181 param.fp_check_blocks = 1;
4182 param.fp_exclude_blocks = !!neg_opt;
4184 case LFS_COMP_COUNT_OPT:
4185 if (optarg[0] == '+') {
4186 param.fp_comp_count_sign = -1;
4188 } else if (optarg[0] == '-') {
4189 param.fp_comp_count_sign = 1;
4193 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4194 if (*endptr != '\0') {
4195 fprintf(stderr, "error: bad component count "
4199 param.fp_check_comp_count = 1;
4200 param.fp_exclude_comp_count = !!neg_opt;
4202 case LFS_COMP_FLAGS_OPT:
4203 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4204 ¶m.fp_comp_neg_flags);
4206 fprintf(stderr, "error: bad component flags "
4210 param.fp_check_comp_flags = 1;
4212 __u32 flags = param.fp_comp_neg_flags;
4213 param.fp_comp_neg_flags = param.fp_comp_flags;
4214 param.fp_comp_flags = flags;
4217 case LFS_COMP_START_OPT:
4218 if (optarg[0] == '+') {
4219 param.fp_comp_start_sign = -1;
4221 } else if (optarg[0] == '-') {
4222 param.fp_comp_start_sign = 1;
4226 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4227 ¶m.fp_comp_start_units, 0);
4229 fprintf(stderr, "error: bad component start "
4233 param.fp_check_comp_start = 1;
4234 param.fp_exclude_comp_start = !!neg_opt;
4236 case LFS_MIRROR_STATE_OPT:
4237 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4238 ¶m.fp_mirror_neg_state);
4241 "error: bad mirrored file state '%s'\n",
4245 param.fp_check_mirror_state = 1;
4247 __u16 state = param.fp_mirror_neg_state;
4248 param.fp_mirror_neg_state =
4249 param.fp_mirror_state;
4250 param.fp_mirror_state = state;
4254 if (optarg[0] == '+') {
4255 param.fp_stripe_count_sign = -1;
4257 } else if (optarg[0] == '-') {
4258 param.fp_stripe_count_sign = 1;
4262 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4263 if (*endptr != '\0') {
4264 fprintf(stderr,"error: bad stripe_count '%s'\n",
4269 param.fp_check_stripe_count = 1;
4270 param.fp_exclude_stripe_count = !!neg_opt;
4273 param.fp_max_depth = strtol(optarg, 0, 0);
4276 if (optarg[0] == '+') {
4277 param.fp_comp_end_sign = -1;
4279 } else if (optarg[0] == '-') {
4280 param.fp_comp_end_sign = 1;
4284 if (arg_is_eof(optarg)) {
4285 param.fp_comp_end = LUSTRE_EOF;
4286 param.fp_comp_end_units = 1;
4289 rc = llapi_parse_size(optarg,
4291 ¶m.fp_comp_end_units, 0);
4294 fprintf(stderr, "error: bad component end "
4298 param.fp_check_comp_end = 1;
4299 param.fp_exclude_comp_end = !!neg_opt;
4301 case LFS_LAYOUT_FOREIGN_OPT: {
4302 /* all types by default */
4303 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4305 if (optarg != NULL) {
4306 /* check pure numeric */
4307 type = strtoul(optarg, &endptr, 0);
4310 type = check_foreign_type_name(optarg);
4311 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4313 "%s %s: unknown foreign type '%s'\n",
4320 param.fp_foreign_type = type;
4321 param.fp_check_foreign = 1;
4322 param.fp_exclude_foreign = !!neg_opt;
4327 rc = name2gid(¶m.fp_gid, optarg);
4329 param.fp_gid = strtoul(optarg, &endptr, 10);
4330 if (*endptr != '\0') {
4331 fprintf(stderr, "Group/GID: %s cannot "
4332 "be found.\n", optarg);
4337 param.fp_exclude_gid = !!neg_opt;
4338 param.fp_check_gid = 1;
4341 param.fp_hash_type = check_hashtype(optarg);
4342 if (param.fp_hash_type == 0) {
4343 fprintf(stderr, "error: bad hash_type '%s'\n",
4348 param.fp_check_hash_type = 1;
4349 param.fp_exclude_hash_type = !!neg_opt;
4352 ret = name2layout(¶m.fp_layout, optarg);
4355 param.fp_exclude_layout = !!neg_opt;
4356 param.fp_check_layout = 1;
4360 rc = name2uid(¶m.fp_uid, optarg);
4362 param.fp_uid = strtoul(optarg, &endptr, 10);
4363 if (*endptr != '\0') {
4364 fprintf(stderr, "User/UID: %s cannot "
4365 "be found.\n", optarg);
4370 param.fp_exclude_uid = !!neg_opt;
4371 param.fp_check_uid = 1;
4374 param.fp_pattern = (char *)optarg;
4375 param.fp_exclude_pattern = !!neg_opt;
4378 if (optarg[0] == '+') {
4379 param.fp_mirror_count_sign = -1;
4381 } else if (optarg[0] == '-') {
4382 param.fp_mirror_count_sign = 1;
4386 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4387 if (*endptr != '\0') {
4389 "error: bad mirror count '%s'\n",
4393 param.fp_check_mirror_count = 1;
4394 param.fp_exclude_mirror_count = !!neg_opt;
4399 char *buf, *token, *next, *p;
4403 buf = strdup(optarg);
4409 param.fp_exclude_obd = !!neg_opt;
4412 while (token && *token) {
4413 token = strchr(token, ',');
4420 param.fp_exclude_mdt = !!neg_opt;
4421 param.fp_num_alloc_mdts += len;
4422 tmp = realloc(param.fp_mdt_uuid,
4423 param.fp_num_alloc_mdts *
4424 sizeof(*param.fp_mdt_uuid));
4430 param.fp_mdt_uuid = tmp;
4432 param.fp_exclude_obd = !!neg_opt;
4433 param.fp_num_alloc_obds += len;
4434 tmp = realloc(param.fp_obd_uuid,
4435 param.fp_num_alloc_obds *
4436 sizeof(*param.fp_obd_uuid));
4442 param.fp_obd_uuid = tmp;
4444 for (token = buf; token && *token; token = next) {
4445 struct obd_uuid *puuid;
4448 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4451 ¶m.fp_obd_uuid[param.fp_num_obds++];
4453 p = strchr(token, ',');
4460 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4465 strncpy(puuid->uuid, token,
4466 sizeof(puuid->uuid));
4473 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4477 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4479 "Pool name %s is too long (max %d)\n",
4480 optarg, LOV_MAXPOOLNAME);
4485 * We do check for empty pool because empty pool
4486 * is used to find V1 LOV attributes
4488 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4489 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4490 param.fp_exclude_pool = !!neg_opt;
4491 param.fp_check_pool = 1;
4493 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4494 case 'p': /* want this for --pool, to match getstripe/find */
4496 "warning: -p deprecated, use --print0 or -0\n");
4499 param.fp_zero_end = 1;
4501 case 'P': /* we always print, this option is a no-op */
4503 case LFS_PROJID_OPT:
4504 rc = name2projid(¶m.fp_projid, optarg);
4506 param.fp_projid = strtoul(optarg, &endptr, 10);
4507 if (*endptr != '\0') {
4509 "Invalid project ID: %s",
4515 param.fp_exclude_projid = !!neg_opt;
4516 param.fp_check_projid = 1;
4519 if (optarg[0] == '+') {
4520 param.fp_size_sign = -1;
4522 } else if (optarg[0] == '-') {
4523 param.fp_size_sign = 1;
4527 ret = llapi_parse_size(optarg, ¶m.fp_size,
4528 ¶m.fp_size_units, 0);
4530 fprintf(stderr, "error: bad file size '%s'\n",
4534 param.fp_check_size = 1;
4535 param.fp_exclude_size = !!neg_opt;
4538 if (optarg[0] == '+') {
4539 param.fp_stripe_size_sign = -1;
4541 } else if (optarg[0] == '-') {
4542 param.fp_stripe_size_sign = 1;
4546 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4547 ¶m.fp_stripe_size_units, 0);
4549 fprintf(stderr, "error: bad stripe_size '%s'\n",
4553 param.fp_check_stripe_size = 1;
4554 param.fp_exclude_stripe_size = !!neg_opt;
4557 param.fp_exclude_type = !!neg_opt;
4558 switch (optarg[0]) {
4560 param.fp_type = S_IFBLK;
4563 param.fp_type = S_IFCHR;
4566 param.fp_type = S_IFDIR;
4569 param.fp_type = S_IFREG;
4572 param.fp_type = S_IFLNK;
4575 param.fp_type = S_IFIFO;
4578 param.fp_type = S_IFSOCK;
4581 fprintf(stderr, "error: %s: bad type '%s'\n",
4588 if (optarg[0] == '+') {
4589 param.fp_mdt_count_sign = -1;
4591 } else if (optarg[0] == '-') {
4592 param.fp_mdt_count_sign = 1;
4596 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4597 if (*endptr != '\0') {
4598 fprintf(stderr, "error: bad mdt_count '%s'\n",
4603 param.fp_check_mdt_count = 1;
4604 param.fp_exclude_mdt_count = !!neg_opt;
4607 if (optarg[0] == '+') {
4608 param.fp_ext_size_sign = -1;
4610 } else if (optarg[0] == '-') {
4611 param.fp_ext_size_sign = 1;
4615 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
4616 ¶m.fp_ext_size_units, 0);
4618 fprintf(stderr, "error: bad ext-size '%s'\n",
4622 param.fp_ext_size /= SEL_UNIT_SIZE;
4623 param.fp_ext_size_units /= SEL_UNIT_SIZE;
4624 param.fp_check_ext_size = 1;
4625 param.fp_exclude_ext_size = !!neg_opt;
4634 if (pathstart == -1) {
4635 fprintf(stderr, "error: %s: no filename|pathname\n",
4639 } else if (pathend == -1) {
4645 rc = llapi_find(argv[pathstart], ¶m);
4648 pathbad = pathstart;
4650 } while (++pathstart < pathend);
4653 fprintf(stderr, "%s: failed for '%s': %s\n",
4654 progname, argv[pathbad], strerror(-rc));
4657 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4658 free(param.fp_obd_uuid);
4660 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4661 free(param.fp_mdt_uuid);
4666 static int lfs_getstripe_internal(int argc, char **argv,
4667 struct find_param *param)
4669 struct option long_opts[] = {
4670 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4671 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4672 { .val = LFS_COMP_COUNT_OPT,
4673 .name = "comp-count", .has_arg = no_argument },
4674 { .val = LFS_COMP_COUNT_OPT,
4675 .name = "component-count", .has_arg = no_argument },
4676 { .val = LFS_COMP_FLAGS_OPT,
4677 .name = "comp-flags", .has_arg = optional_argument },
4678 { .val = LFS_COMP_FLAGS_OPT,
4679 .name = "component-flags", .has_arg = optional_argument },
4680 { .val = LFS_COMP_START_OPT,
4681 .name = "comp-start", .has_arg = optional_argument },
4682 { .val = LFS_COMP_START_OPT,
4683 .name = "component-start", .has_arg = optional_argument },
4684 { .val = LFS_MIRROR_INDEX_OPT,
4685 .name = "mirror-index", .has_arg = required_argument },
4686 { .val = LFS_MIRROR_ID_OPT,
4687 .name = "mirror-id", .has_arg = required_argument },
4688 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4689 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4690 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4691 { .val = 'd', .name = "directory", .has_arg = no_argument },
4692 { .val = 'D', .name = "default", .has_arg = no_argument },
4693 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4694 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4695 { .val = 'F', .name = "fid", .has_arg = no_argument },
4696 { .val = 'g', .name = "generation", .has_arg = no_argument },
4697 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4698 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4699 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4700 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4701 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4702 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4703 { .val = 'L', .name = "layout", .has_arg = no_argument },
4704 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4705 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4706 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4707 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4708 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4709 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4710 { .val = 'O', .name = "obd", .has_arg = required_argument },
4711 { .val = 'O', .name = "ost", .has_arg = required_argument },
4712 { .val = 'p', .name = "pool", .has_arg = no_argument },
4713 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4714 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4715 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4716 { .val = 'R', .name = "raw", .has_arg = no_argument },
4717 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4718 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4719 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4720 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4721 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4722 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4723 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4724 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4725 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
4726 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
4730 int pathstart = -1, pathend = -1;
4734 while ((c = getopt_long(argc, argv,
4735 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
4736 long_opts, NULL)) != -1) {
4740 /* '!' is part of option */
4741 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4742 if (!isoption && pathend != -1) {
4744 "error: %s: filename|dirname must either precede options or follow options\n",
4748 if (!isoption && pathstart == -1)
4749 pathstart = optind - 1;
4750 if (isoption && pathstart != -1 && pathend == -1)
4751 pathend = optind - 2;
4755 /* unknown: opt is "!" */
4756 if (strcmp(optarg, "!") == 0)
4760 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4761 param->fp_verbose |= VERBOSE_COUNT;
4762 param->fp_max_depth = 0;
4765 case LFS_COMP_COUNT_OPT:
4766 param->fp_verbose |= VERBOSE_COMP_COUNT;
4767 param->fp_max_depth = 0;
4769 case LFS_COMP_FLAGS_OPT:
4770 if (optarg != NULL) {
4771 rc = comp_str2flags(optarg,
4772 ¶m->fp_comp_flags,
4773 ¶m->fp_comp_neg_flags);
4775 fprintf(stderr, "error: %s bad "
4776 "component flags '%s'.\n",
4780 param->fp_check_comp_flags = 1;
4782 param->fp_verbose |= VERBOSE_COMP_FLAGS;
4783 param->fp_max_depth = 0;
4786 case LFS_COMP_START_OPT:
4787 if (optarg != NULL) {
4789 if (tmp[0] == '+') {
4790 param->fp_comp_start_sign = -1;
4792 } else if (tmp[0] == '-') {
4793 param->fp_comp_start_sign = 1;
4796 rc = llapi_parse_size(tmp,
4797 ¶m->fp_comp_start,
4798 ¶m->fp_comp_start_units, 0);
4800 fprintf(stderr, "error: %s bad "
4801 "component start '%s'.\n",
4805 param->fp_check_comp_start = 1;
4808 param->fp_verbose |= VERBOSE_COMP_START;
4809 param->fp_max_depth = 0;
4812 case LFS_MIRROR_INDEX_OPT:
4813 if (optarg[0] == '+') {
4814 param->fp_mirror_index_sign = -1;
4816 } else if (optarg[0] == '-') {
4817 param->fp_mirror_index_sign = 1;
4821 param->fp_mirror_index = strtoul(optarg, &end, 0);
4822 if (*end != '\0' || (param->fp_mirror_index == 0 &&
4823 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
4825 "%s %s: invalid mirror index '%s'\n",
4826 progname, argv[0], optarg);
4829 if (param->fp_mirror_id != 0) {
4831 "%s %s: can't specify both mirror index and mirror ID\n",
4835 param->fp_check_mirror_index = 1;
4836 param->fp_exclude_mirror_index = !!neg_opt;
4838 case LFS_MIRROR_ID_OPT:
4839 if (optarg[0] == '+') {
4840 param->fp_mirror_id_sign = -1;
4842 } else if (optarg[0] == '-') {
4843 param->fp_mirror_id_sign = 1;
4847 param->fp_mirror_id = strtoul(optarg, &end, 0);
4848 if (*end != '\0' || (param->fp_mirror_id == 0 &&
4849 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
4851 "%s %s: invalid mirror ID '%s'\n",
4852 progname, argv[0], optarg);
4855 if (param->fp_mirror_index != 0) {
4857 "%s %s: can't specify both mirror index and mirror ID\n",
4861 param->fp_check_mirror_id = 1;
4862 param->fp_exclude_mirror_id = !!neg_opt;
4865 param->fp_max_depth = 0;
4868 param->fp_get_default_lmv = 1;
4871 if (optarg != NULL) {
4873 if (tmp[0] == '+') {
4874 param->fp_comp_end_sign = -1;
4876 } else if (tmp[0] == '-') {
4877 param->fp_comp_end_sign = 1;
4881 if (arg_is_eof(tmp)) {
4882 param->fp_comp_end = LUSTRE_EOF;
4883 param->fp_comp_end_units = 1;
4886 rc = llapi_parse_size(tmp,
4887 ¶m->fp_comp_end,
4888 ¶m->fp_comp_end_units, 0);
4891 fprintf(stderr, "error: %s bad "
4892 "component end '%s'.\n",
4896 param->fp_check_comp_end = 1;
4898 param->fp_verbose |= VERBOSE_COMP_END;
4899 param->fp_max_depth = 0;
4903 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4904 param->fp_verbose |= VERBOSE_DFID;
4905 param->fp_max_depth = 0;
4909 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4910 param->fp_verbose |= VERBOSE_GENERATION;
4911 param->fp_max_depth = 0;
4915 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4916 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
4917 param->fp_max_depth = 0;
4921 if (optarg != NULL) {
4922 param->fp_comp_id = strtoul(optarg, &end, 0);
4923 if (*end != '\0' || param->fp_comp_id == 0 ||
4924 param->fp_comp_id > LCME_ID_MAX) {
4925 fprintf(stderr, "error: %s bad "
4926 "component id '%s'\n",
4930 param->fp_check_comp_id = 1;
4933 param->fp_max_depth = 0;
4934 param->fp_verbose |= VERBOSE_COMP_ID;
4938 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4939 param->fp_verbose |= VERBOSE_PATTERN;
4940 param->fp_max_depth = 0;
4943 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4945 fprintf(stderr, "warning: '-M' deprecated"
4946 ", use '--mdt-index' or '-m' instead\n");
4949 if (!(param->fp_verbose & VERBOSE_DETAIL))
4950 param->fp_max_depth = 0;
4951 param->fp_verbose |= VERBOSE_MDTINDEX;
4954 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4955 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
4956 param->fp_max_depth = 0;
4960 if (param->fp_obd_uuid) {
4962 "error: %s: only one obduuid allowed",
4966 param->fp_obd_uuid = (struct obd_uuid *)optarg;
4969 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4970 param->fp_verbose |= VERBOSE_POOL;
4971 param->fp_max_depth = 0;
4978 param->fp_recursive = 1;
4984 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4985 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
4986 param->fp_max_depth = 0;
4990 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
4996 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4997 param->fp_verbose |= VERBOSE_EXT_SIZE;
4998 param->fp_max_depth = 0;
5006 if (pathstart == -1) {
5007 fprintf(stderr, "error: %s: no filename|pathname\n",
5010 } else if (pathend == -1) {
5018 if (param->fp_recursive)
5019 param->fp_max_depth = -1;
5020 else if (param->fp_verbose & VERBOSE_DETAIL)
5021 param->fp_max_depth = 1;
5023 if (!param->fp_verbose)
5024 param->fp_verbose = VERBOSE_DEFAULT;
5025 if (param->fp_quiet)
5026 param->fp_verbose = VERBOSE_OBJID;
5029 rc = llapi_getstripe(argv[pathstart], param);
5030 } while (++pathstart < pathend && !rc);
5033 fprintf(stderr, "error: %s failed for %s.\n",
5034 argv[0], argv[optind - 1]);
5038 static int lfs_tgts(int argc, char **argv)
5040 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5041 struct find_param param;
5042 int index = 0, rc=0;
5047 if (argc == 2 && !realpath(argv[1], path)) {
5049 fprintf(stderr, "error: invalid path '%s': %s\n",
5050 argv[1], strerror(-rc));
5054 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5055 /* Check if we have a mount point */
5056 if (mntdir[0] == '\0')
5059 memset(¶m, 0, sizeof(param));
5060 if (!strcmp(argv[0], "mdts"))
5061 param.fp_get_lmv = 1;
5063 rc = llapi_ostlist(mntdir, ¶m);
5065 fprintf(stderr, "error: %s: failed on %s\n",
5068 if (path[0] != '\0')
5070 memset(mntdir, 0, PATH_MAX);
5076 static int lfs_getstripe(int argc, char **argv)
5078 struct find_param param = { 0 };
5080 param.fp_max_depth = 1;
5081 return lfs_getstripe_internal(argc, argv, ¶m);
5085 static int lfs_getdirstripe(int argc, char **argv)
5087 struct find_param param = { 0 };
5088 struct option long_opts[] = {
5089 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5090 { .val = 'D', .name = "default", .has_arg = no_argument },
5091 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5092 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5093 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5094 { .val = 'O', .name = "obd", .has_arg = required_argument },
5095 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5096 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5097 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5098 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5102 param.fp_get_lmv = 1;
5104 while ((c = getopt_long(argc, argv,
5105 "cDHimO:rtTvy", long_opts, NULL)) != -1)
5110 param.fp_verbose |= VERBOSE_COUNT;
5113 param.fp_get_default_lmv = 1;
5117 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5119 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5121 fprintf(stderr, "warning: '-t' deprecated, "
5122 "use '--mdt-hash' or '-H' instead\n");
5125 param.fp_verbose |= VERBOSE_HASH_TYPE;
5128 if (param.fp_obd_uuid) {
5130 "error: %s: only one obduuid allowed",
5134 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5137 param.fp_recursive = 1;
5140 param.fp_verbose |= VERBOSE_DETAIL;
5146 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5147 progname, argv[0], argv[optind - 1]);
5155 if (param.fp_recursive)
5156 param.fp_max_depth = -1;
5158 if (!param.fp_verbose)
5159 param.fp_verbose = VERBOSE_DEFAULT;
5162 rc = llapi_getstripe(argv[optind], ¶m);
5163 } while (++optind < argc && !rc);
5166 fprintf(stderr, "error: %s failed for %s.\n",
5167 argv[0], argv[optind - 1]);
5172 MNTDF_INODES = 0x0001,
5173 MNTDF_COOKED = 0x0002,
5174 MNTDF_LAZY = 0x0004,
5175 MNTDF_VERBOSE = 0x0008,
5176 MNTDF_SHOW = 0x0010,
5179 #define COOK(value) \
5182 while (value > 1024) { \
5190 #define CDF "%11llu"
5191 #define HDF "%8.1f%c"
5195 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5197 double avail, used, ratio = 0;
5200 avail = st->os_ffree;
5201 used = st->os_files - st->os_ffree;
5203 avail = st->os_bavail;
5204 used = st->os_blocks - st->os_bfree;
5206 if (avail + used > 0)
5207 ratio = used / (used + avail) * 100;
5209 /* Round up to match df(1) usage percentage */
5210 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5213 /* This is to identify various problem states for "lfs df" if .osn_err = true,
5214 * so only show flags reflecting those states by default. Informational states
5215 * are only shown with "-v" and use lower-case names to distinguish them.
5216 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5218 static struct obd_statfs_state_names {
5219 enum obd_statfs_state osn_state;
5220 const char osn_name;
5223 { .osn_state = OS_STATE_DEGRADED, .osn_name = 'D', .osn_err = true },
5224 { .osn_state = OS_STATE_READONLY, .osn_name = 'R', .osn_err = true },
5225 { .osn_state = OS_STATE_NOPRECREATE, .osn_name = 'N', .osn_err = true },
5226 { .osn_state = OS_STATE_UNUSED1, .osn_name = '?', .osn_err = true },
5227 { .osn_state = OS_STATE_UNUSED2, .osn_name = '?', .osn_err = true },
5228 { .osn_state = OS_STATE_ENOSPC, .osn_name = 'S', .osn_err = true },
5229 { .osn_state = OS_STATE_ENOINO, .osn_name = 'I', .osn_err = true },
5230 { .osn_state = OS_STATE_SUM, .osn_name = 'a', /* aggregate */ },
5231 { .osn_state = OS_STATE_NONROT, .osn_name = 'f', /* flash */ },
5234 static int showdf(char *mntdir, struct obd_statfs *stat,
5235 char *uuid, enum mntdf_flags flags,
5236 char *type, int index, int rc)
5238 long long avail, used, total;
5240 char *suffix = "KMGTPEZY";
5241 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5242 char tbuf[3 * sizeof(__u64)];
5243 char ubuf[3 * sizeof(__u64)];
5244 char abuf[3 * sizeof(__u64)];
5245 char rbuf[3 * sizeof(__u64)];
5252 if (flags & MNTDF_INODES) {
5253 avail = stat->os_ffree;
5254 used = stat->os_files - stat->os_ffree;
5255 total = stat->os_files;
5257 int shift = flags & MNTDF_COOKED ? 0 : 10;
5259 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5260 used = ((stat->os_blocks - stat->os_bfree) *
5261 stat->os_bsize) >> shift;
5262 total = (stat->os_blocks * stat->os_bsize) >> shift;
5265 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5267 if (flags & MNTDF_COOKED) {
5271 cook_val = (double)total;
5274 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5277 snprintf(tbuf, sizeof(tbuf), CDF, total);
5279 cook_val = (double)used;
5282 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5285 snprintf(ubuf, sizeof(ubuf), CDF, used);
5287 cook_val = (double)avail;
5290 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5293 snprintf(abuf, sizeof(abuf), CDF, avail);
5295 snprintf(tbuf, sizeof(tbuf), CDF, total);
5296 snprintf(ubuf, sizeof(tbuf), CDF, used);
5297 snprintf(abuf, sizeof(tbuf), CDF, avail);
5300 sprintf(rbuf, RDF, ratio);
5301 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5302 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5304 printf("[%s:%d]", type, index);
5306 if (stat->os_state) {
5310 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5311 if (oss_names[i].osn_state & stat->os_state &&
5312 (oss_names[i].osn_err ||
5313 flags & MNTDF_VERBOSE))
5314 printf("%c", oss_names[i].osn_name);
5321 printf(UUF": inactive device\n", uuid);
5324 printf(UUF": %s\n", uuid, strerror(-rc));
5331 struct ll_stat_type {
5336 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5338 struct ll_statfs_data {
5340 struct obd_statfs sd_st;
5343 struct ll_statfs_buf {
5345 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5348 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5349 int ops, struct ll_statfs_buf *lsb)
5351 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5352 struct obd_uuid uuid_buf;
5353 char *poolname = NULL;
5354 struct ll_stat_type types[] = {
5355 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5356 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5357 { .st_name = NULL } };
5358 struct ll_stat_type *tp;
5359 __u64 ost_files = 0;
5360 __u64 ost_ffree = 0;
5368 poolname = strchr(pool, '.');
5369 if (poolname != NULL) {
5370 if (strncmp(fsname, pool, strlen(fsname))) {
5371 fprintf(stderr, "filesystem name incorrect\n");
5379 fd = open(mntdir, O_RDONLY);
5382 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5387 if (flags & MNTDF_SHOW) {
5388 if (flags & MNTDF_INODES)
5389 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5390 "UUID", "Inodes", "IUsed", "IFree",
5391 "IUse%", "Mounted on");
5393 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5395 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5396 "Used", "Available", "Use%", "Mounted on");
5399 for (tp = types; tp->st_name != NULL; tp++) {
5400 bool have_ost = false;
5402 if (!(tp->st_op & ops))
5405 for (index = 0; ; index++) {
5406 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5407 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5408 type = flags & MNTDF_LAZY ?
5409 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5410 rc2 = llapi_obd_fstatfs(fd, type, index,
5411 &stat_buf, &uuid_buf);
5416 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5417 if (!(flags & MNTDF_VERBOSE))
5419 } else if (rc2 < 0 && rc == 0) {
5423 /* If we have OSTs then don't report MDT block counts.
5424 * For MDT-only filesystems the expectation is that all
5425 * layouts have a DoM component. For filesystems with
5426 * OSTs, files are not necessarily going to store data
5427 * on MDTs, and MDT space is limited to a fraction of
5428 * OST space, so don't include it in the summary.
5430 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5437 if (poolname && tp->st_op == LL_STATFS_LOV &&
5438 llapi_search_ost(fsname, poolname,
5439 obd_uuid2str(&uuid_buf)) != 1)
5442 /* the llapi_obd_statfs() call may have returned with
5443 * an error, but if it filled in uuid_buf we will at
5444 * lease use that to print out a message for that OBD.
5445 * If we didn't get anything in the uuid_buf, then fill
5446 * it in so that we can print an error message. */
5447 if (uuid_buf.uuid[0] == '\0')
5448 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5449 "%s%04x", tp->st_name, index);
5451 lsb->sb_buf[lsb->sb_count].sd_index = index;
5452 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5455 if (flags & MNTDF_SHOW)
5456 showdf(mntdir, &stat_buf,
5457 obd_uuid2str(&uuid_buf), flags,
5458 tp->st_name, index, rc2);
5463 if (tp->st_op == LL_STATFS_LMV) {
5464 sum.os_ffree += stat_buf.os_ffree;
5465 sum.os_files += stat_buf.os_files;
5466 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5467 ost_files += stat_buf.os_files;
5468 ost_ffree += stat_buf.os_ffree;
5470 sum.os_blocks += stat_buf.os_blocks *
5472 sum.os_bfree += stat_buf.os_bfree *
5474 sum.os_bavail += stat_buf.os_bavail *
5481 /* If we have _some_ OSTs, but don't have as many free objects on the
5482 * OST as inodes on the MDTs, reduce the reported number of inodes
5483 * to compensate, so that the "inodes in use" number is correct.
5484 * This should be kept in sync with ll_statfs_internal().
5486 if (ost_files && ost_ffree < sum.os_ffree) {
5487 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5488 sum.os_ffree = ost_ffree;
5490 if (flags & MNTDF_SHOW) {
5492 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5499 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
5501 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
5503 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
5505 int r1 = obd_statfs_ratio(st1, false);
5506 int r2 = obd_statfs_ratio(st2, false);
5507 int64_t result = r1 - r2;
5509 /* if both space usage are above 90, compare free inodes */
5510 if (r1 > 90 && r2 > 90)
5511 result = st2->os_ffree - st1->os_ffree;
5515 else if (result == 0)
5522 static int lfs_setdirstripe(int argc, char **argv)
5525 struct lfs_setstripe_args lsa = { 0 };
5526 struct llapi_stripe_param *param = NULL;
5527 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5530 char *mode_opt = NULL;
5531 bool default_stripe = false;
5532 bool delete = false;
5533 bool auto_distributed = false;
5534 bool foreign_mode = false;
5535 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5536 mode_t previous_mode = 0;
5537 struct ll_statfs_buf *lsb = NULL;
5538 char mntdir[PATH_MAX] = "";
5540 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5541 struct option long_opts[] = {
5542 { .val = 'c', .name = "count", .has_arg = required_argument },
5543 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5544 { .val = 'd', .name = "delete", .has_arg = no_argument },
5545 { .val = 'D', .name = "default", .has_arg = no_argument },
5546 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5547 { .val = LFS_LAYOUT_FLAGS_OPT,
5548 .name = "flags", .has_arg = required_argument },
5549 { .val = LFS_LAYOUT_FOREIGN_OPT,
5550 .name = "foreign", .has_arg = optional_argument},
5551 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5552 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5553 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5554 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5556 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5557 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5559 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5560 { .val = 'i', .name = "index", .has_arg = required_argument },
5562 { .val = 'o', .name = "mode", .has_arg = required_argument },
5563 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5564 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5566 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5567 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5568 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5572 setstripe_args_init(&lsa);
5574 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5575 long_opts, NULL)) >= 0) {
5582 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5585 "%s %s: invalid stripe count '%s'\n",
5586 progname, argv[0], optarg);
5592 default_stripe = true;
5595 default_stripe = true;
5597 case LFS_LAYOUT_FOREIGN_OPT:
5598 if (optarg != NULL) {
5599 /* check pure numeric */
5600 type = strtoul(optarg, &end, 0);
5603 type = check_foreign_type_name(optarg);
5604 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5606 "%s %s: unknown foreign type '%s'\n",
5613 foreign_mode = true;
5615 case LFS_LAYOUT_FLAGS_OPT:
5616 flags = strtoul(optarg, &end, 16);
5619 "%s %s: bad flags '%s'\n",
5620 progname, argv[0], optarg);
5624 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5626 fprintf(stderr, "warning: '--hash-type' and '-t' "
5627 "deprecated, use '--mdt-hash' or '-H' instead\n");
5630 lsa.lsa_pattern = check_hashtype(optarg);
5631 if (lsa.lsa_pattern == 0) {
5633 "%s %s: bad stripe hash type '%s'\n",
5634 progname, argv[0], optarg);
5639 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5642 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5643 if (strcmp(argv[optind - 1], "--index") == 0)
5645 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5648 lsa.lsa_nr_tgts = parse_targets(mdts,
5649 sizeof(mdts) / sizeof(__u32),
5650 lsa.lsa_nr_tgts, optarg, NULL);
5651 if (lsa.lsa_nr_tgts < 0) {
5653 "%s %s: invalid MDT target(s) '%s'\n",
5654 progname, argv[0], optarg);
5658 lsa.lsa_tgts = mdts;
5659 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5660 lsa.lsa_stripe_off = mdts[0];
5662 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5664 fprintf(stderr, "warning: '-m' is deprecated, "
5665 "use '--mode' or '-o' instead\n");
5674 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5675 progname, argv[0], argv[optind - 1]);
5680 if (optind == argc) {
5681 fprintf(stderr, "%s %s: DIR must be specified\n",
5686 if (xattr && !foreign_mode) {
5687 /* only print a warning as this is armless and will be
5691 "%s %s: xattr has been specified for non-foreign layout\n",
5693 } else if (foreign_mode && !xattr) {
5695 "%s %s: xattr must be provided in foreign mode\n",
5700 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
5701 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
5703 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
5708 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5709 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
5711 "%s %s: stripe offset and count must be specified\n",
5717 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5718 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5720 "%s %s: cannot specify -d with -c or -i options\n",
5725 if (mode_opt != NULL) {
5726 mode = strtoul(mode_opt, &end, 8);
5729 "%s %s: bad MODE '%s'\n",
5730 progname, argv[0], mode_opt);
5733 previous_mode = umask(0);
5736 /* foreign LMV/dir case */
5738 if (argc > optind + 1) {
5740 "%s %s: cannot specify multiple foreign dirs\n",
5745 dname = argv[optind];
5746 result = llapi_dir_create_foreign(dname, mode, type, flags,
5750 "%s mkdir: can't create foreign dir '%s': %s\n",
5751 progname, dname, strerror(-result));
5756 * initialize stripe parameters, in case param is converted to specific,
5757 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
5759 param = calloc(1, offsetof(typeof(*param),
5760 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
5761 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
5762 if (param == NULL) {
5764 "%s %s: cannot allocate memory for parameters: %s\n",
5765 progname, argv[0], strerror(ENOMEM));
5769 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
5770 param->lsp_stripe_count = lsa.lsa_stripe_count;
5771 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5772 param->lsp_stripe_offset = -1;
5774 param->lsp_stripe_offset = lsa.lsa_stripe_off;
5775 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
5776 param->lsp_stripe_pattern = lsa.lsa_pattern;
5778 param->lsp_stripe_pattern = LMV_HASH_TYPE_DEFAULT;
5779 param->lsp_pool = lsa.lsa_pool_name;
5780 param->lsp_is_specific = false;
5781 if (lsa.lsa_nr_tgts > 1) {
5782 if (lsa.lsa_stripe_count > 0 &&
5783 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
5784 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
5786 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
5787 argv[0], (long long)lsa.lsa_stripe_count,
5793 param->lsp_is_specific = true;
5794 param->lsp_stripe_count = lsa.lsa_nr_tgts;
5795 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
5798 if (!default_stripe && (lsa.lsa_pattern & LMV_HASH_FLAG_SPACE)) {
5799 fprintf(stderr, "%s %s: can only specify -H space with -D\n",
5805 if (param->lsp_stripe_offset != -1 &&
5806 lsa.lsa_pattern & LMV_HASH_FLAG_SPACE) {
5807 fprintf(stderr, "%s %s: can only specify -H space with -i -1\n",
5813 dname = argv[optind];
5815 if (default_stripe) {
5816 result = llapi_dir_set_default_lmv(dname, param);
5819 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
5820 progname, dname, strerror(-result));
5825 * if current \a dname isn't under the same \a mntdir as the
5826 * last one, and the last one was auto-distributed, restore
5829 if (mntdir[0] != '\0' &&
5830 strncmp(dname, mntdir, strlen(mntdir)) &&
5832 param->lsp_is_specific = false;
5833 param->lsp_stripe_offset = -1;
5834 auto_distributed = false;
5838 * TODO: when MDT can allocate object with QoS (LU-9435), below
5839 * code should be removed, instead we should let LMV to allocate
5840 * the starting MDT object, and then let LOD allocate other MDT
5843 if (!param->lsp_is_specific && param->lsp_stripe_offset == -1) {
5844 char path[PATH_MAX] = "";
5847 lsb = malloc(sizeof(*lsb));
5855 /* use mntdir for dirname() temporarily */
5856 strncpy(mntdir, dname, sizeof(mntdir) - 1);
5857 if (!realpath(dirname(mntdir), path)) {
5860 "error: invalid path '%s': %s\n",
5861 argv[optind], strerror(errno));
5866 result = llapi_search_mounts(path, 0, mntdir, NULL);
5867 if (result < 0 || mntdir[0] == '\0') {
5869 "No suitable Lustre mount found\n");
5873 result = mntdf(mntdir, NULL, NULL, 0, LL_STATFS_LMV,
5878 if (param->lsp_stripe_count > lsb->sb_count) {
5880 "error: stripe count %d is too big\n",
5881 param->lsp_stripe_count);
5886 qsort(lsb->sb_buf, lsb->sb_count,
5887 sizeof(struct ll_statfs_data),
5888 ll_statfs_data_comp);
5890 auto_distributed = true;
5893 if (auto_distributed) {
5895 int nr = MAX(param->lsp_stripe_count,
5898 /* don't use server whose usage is above 90% */
5899 while (nr != param->lsp_stripe_count &&
5900 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st, false) >
5902 nr = MAX(param->lsp_stripe_count, nr / 2);
5904 /* get \a r between [0, nr) */
5907 param->lsp_stripe_offset = lsb->sb_buf[r].sd_index;
5908 if (param->lsp_stripe_count > 1) {
5911 param->lsp_is_specific = true;
5912 for (; i < param->lsp_stripe_count; i++)
5913 param->lsp_tgts[(i + r) % nr] =
5914 lsb->sb_buf[i].sd_index;
5918 result = llapi_dir_create(dname, mode, param);
5921 "%s setdirstripe: cannot create dir '%s': %s\n",
5922 progname, dname, strerror(-result));
5923 } while (!result && (dname = argv[++optind]));
5925 if (mode_opt != NULL)
5926 umask(previous_mode);
5934 static int lfs_rmentry(int argc, char **argv)
5941 fprintf(stderr, "error: %s: missing dirname\n",
5947 dname = argv[index];
5948 while (dname != NULL) {
5949 result = llapi_direntry_remove(dname);
5951 fprintf(stderr, "error: %s: remove dir entry '%s' "
5952 "failed\n", argv[0], dname);
5955 dname = argv[++index];
5960 static int lfs_mv(int argc, char **argv)
5962 struct lmv_user_md lmu = { LMV_USER_MAGIC };
5963 struct find_param param = {
5970 struct option long_opts[] = {
5971 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5972 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5973 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5976 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
5978 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5980 fprintf(stderr, "warning: '-M' deprecated"
5981 ", use '--mdt-index' or '-m' instead\n");
5984 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
5986 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
5992 param.fp_verbose = VERBOSE_DETAIL;
5995 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
5996 progname, argv[optind - 1]);
6001 if (lmu.lum_stripe_offset == -1) {
6002 fprintf(stderr, "%s mv: MDT index must be specified\n",
6007 if (optind >= argc) {
6008 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6013 /* initialize migrate mdt parameters */
6014 param.fp_lmv_md = &lmu;
6015 param.fp_migrate = 1;
6016 rc = llapi_migrate_mdt(argv[optind], ¶m);
6018 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6019 progname, argv[optind], param.fp_mdt_index,
6024 static int lfs_osts(int argc, char **argv)
6026 return lfs_tgts(argc, argv);
6029 static int lfs_mdts(int argc, char **argv)
6031 return lfs_tgts(argc, argv);
6034 static int lfs_df(int argc, char **argv)
6036 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6037 enum mntdf_flags flags = MNTDF_SHOW;
6038 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6039 int c, rc = 0, index = 0;
6040 char fsname[PATH_MAX] = "", *pool_name = NULL;
6041 struct option long_opts[] = {
6042 { .val = 'h', .name = "human-readable",
6043 .has_arg = no_argument },
6044 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6045 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6046 { .val = 'p', .name = "pool", .has_arg = required_argument },
6047 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6050 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6053 flags |= MNTDF_COOKED;
6056 flags |= MNTDF_INODES;
6059 flags |= MNTDF_LAZY;
6065 flags |= MNTDF_VERBOSE;
6071 if (optind < argc && !realpath(argv[optind], path)) {
6073 fprintf(stderr, "error: invalid path '%s': %s\n",
6074 argv[optind], strerror(-rc));
6078 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6079 /* Check if we have a mount point */
6080 if (mntdir[0] == '\0')
6083 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6084 if (rc || path[0] != '\0')
6086 fsname[0] = '\0'; /* avoid matching in next loop */
6087 mntdir[0] = '\0'; /* avoid matching in next loop */
6093 static int print_instance(const char *mntdir, char *fsname, size_t fsnamelen,
6094 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6098 /* llapi_search_mounts() fills "fsname", but that is not called if
6099 * explicit paths are specified on the command-line
6101 if (opt_instance || (opt_fsname && fsname[0] == '\0')) {
6102 int rc = llapi_getname(mntdir, fsname, fsnamelen);
6105 fprintf(stderr, "cannot get instance for '%s': %s\n",
6106 mntdir, strerror(-rc));
6110 if (!opt_instance) {
6111 /* print only the fsname name */
6112 buf = strchr(fsname, '-');
6116 } else if (!opt_fsname) {
6117 /* print only the instance name */
6118 buf = strchr(fsname, '-');
6124 } else if (opt_fsname) {
6125 /* print only the fsname */
6129 printf("%s %s\n", buf, opt_mntdir ? mntdir : "");
6134 static int lfs_getname(int argc, char **argv)
6136 struct option long_opts[] = {
6137 { .val = 'h', .name = "help", .has_arg = no_argument },
6138 { .val = 'i', .name = "instance", .has_arg = no_argument },
6139 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6141 bool opt_instance = false, opt_fsname = false;
6142 char fsname[PATH_MAX] = "";
6145 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6148 opt_instance = true;
6159 /* If neither option is given, print both instance and fsname */
6160 if (!opt_instance && !opt_fsname)
6161 opt_instance = opt_fsname = true;
6163 if (optind == argc) { /* no paths specified, get all paths. */
6164 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6167 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6168 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6169 opt_instance, opt_fsname, true);
6172 path[0] = fsname[0] = mntdir[0] = '\0';
6174 } else { /* paths specified, only attempt to search these. */
6177 /* if only one path is given, print only requested info */
6178 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6180 for (; optind < argc; optind++) {
6181 rc2 = print_instance(argv[optind], fsname,
6182 sizeof(fsname), opt_instance,
6183 opt_fsname, opt_mntdir);
6193 static int lfs_check(int argc, char **argv)
6195 char mntdir[PATH_MAX] = {'\0'};
6204 fprintf(stderr, "%s check: server type must be specified\n",
6209 obd_types[0] = obd_type1;
6210 obd_types[1] = obd_type2;
6211 obd_types[2] = obd_type3;
6213 if (strcmp(argv[1], "osts") == 0) {
6214 strcpy(obd_types[0], "osc");
6215 } else if (strcmp(argv[1], "mdts") == 0 ||
6216 strcmp(argv[1], "mds") == 0) {
6217 strcpy(obd_types[0], "mdc");
6218 } else if (strcmp(argv[1], "mgts") == 0) {
6219 strcpy(obd_types[0], "mgc");
6220 } else if (strcmp(argv[1], "all") == 0 ||
6221 strcmp(argv[1], "servers") == 0) {
6223 strcpy(obd_types[0], "osc");
6224 strcpy(obd_types[1], "mdc");
6225 strcpy(obd_types[2], "mgc");
6227 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6232 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6233 if (rc < 0 || mntdir[0] == '\0') {
6235 "%s check: cannot find mounted Lustre filesystem: %s\n",
6236 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6240 rc = llapi_target_check(num_types, obd_types, mntdir);
6242 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6243 progname, argv[1], strerror(-rc));
6249 #ifdef HAVE_SYS_QUOTA_H
6250 #define ARG2INT(nr, str, msg) \
6253 nr = strtol(str, &endp, 0); \
6254 if (*endp != '\0') { \
6255 fprintf(stderr, "%s: bad %s '%s'\n", \
6256 progname, msg, str); \
6261 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
6263 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6264 * returns the value or ULONG_MAX on integer overflow or incorrect format
6266 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6267 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6268 * 3. empty integer value is interpreted as 0
6270 static unsigned long str2sec(const char* timestr)
6272 const char spec[] = "smhdw";
6273 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6274 unsigned long val = 0;
6277 if (strpbrk(timestr, spec) == NULL) {
6278 /* no specifiers inside the time string,
6279 should treat it as an integer value */
6280 val = strtoul(timestr, &tail, 10);
6281 return *tail ? ULONG_MAX : val;
6284 /* format string is XXwXXdXXhXXmXXs */
6290 v = strtoul(timestr, &tail, 10);
6291 if (v == ULONG_MAX || *tail == '\0')
6292 /* value too large (ULONG_MAX or more)
6293 or missing specifier */
6296 ptr = strchr(spec, *tail);
6298 /* unknown specifier */
6303 /* check if product will overflow the type */
6304 if (!(v < ULONG_MAX / mult[ind]))
6307 ADD_OVERFLOW(val, mult[ind] * v);
6308 if (val == ULONG_MAX)
6320 #define ARG2ULL(nr, str, def_units) \
6322 unsigned long long limit, units = def_units; \
6325 rc = llapi_parse_size(str, &limit, &units, 1); \
6327 fprintf(stderr, "%s: invalid limit '%s'\n", \
6334 static inline int has_times_option(int argc, char **argv)
6338 for (i = 1; i < argc; i++)
6339 if (!strcmp(argv[i], "-t"))
6345 int lfs_setquota_times(int argc, char **argv)
6348 struct if_quotactl qctl;
6349 char *mnt, *obd_type = (char *)qctl.obd_type;
6350 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6351 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
6352 struct option long_opts[] = {
6353 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6354 { .val = 'g', .name = "group", .has_arg = no_argument },
6355 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6356 { .val = 'p', .name = "projid", .has_arg = no_argument },
6357 { .val = 't', .name = "times", .has_arg = no_argument },
6358 { .val = 'u', .name = "user", .has_arg = no_argument },
6362 memset(&qctl, 0, sizeof(qctl));
6363 qctl.qc_cmd = LUSTRE_Q_SETINFO;
6364 qctl.qc_type = ALLQUOTA;
6366 while ((c = getopt_long(argc, argv, "b:gi:ptu",
6367 long_opts, NULL)) != -1) {
6378 if (qctl.qc_type != ALLQUOTA) {
6379 fprintf(stderr, "error: -u/g/p can't be used "
6380 "more than once\n");
6383 qctl.qc_type = qtype;
6386 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
6387 fprintf(stderr, "error: bad block-grace: %s\n",
6391 dqb->dqb_valid |= QIF_BTIME;
6394 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
6395 fprintf(stderr, "error: bad inode-grace: %s\n",
6399 dqb->dqb_valid |= QIF_ITIME;
6401 case 't': /* Yes, of course! */
6403 default: /* getopt prints error message for us when opterr != 0 */
6408 if (qctl.qc_type == ALLQUOTA) {
6409 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6413 if (optind != argc - 1) {
6414 fprintf(stderr, "error: unexpected parameters encountered\n");
6418 if ((dqb->dqb_valid | QIF_BTIME && dqi->dqi_bgrace >= UINT_MAX) ||
6419 (dqb->dqb_valid | QIF_ITIME && dqi->dqi_igrace >= UINT_MAX)) {
6420 fprintf(stderr, "error: grace time is too large\n");
6425 rc = llapi_quotactl(mnt, &qctl);
6428 fprintf(stderr, "%s %s ", obd_type,
6429 obd_uuid2str(&qctl.obd_uuid));
6430 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6437 #define BSLIMIT (1 << 0)
6438 #define BHLIMIT (1 << 1)
6439 #define ISLIMIT (1 << 2)
6440 #define IHLIMIT (1 << 3)
6442 int lfs_setquota(int argc, char **argv)
6445 struct if_quotactl qctl;
6446 char *mnt, *obd_type = (char *)qctl.obd_type;
6447 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6448 struct option long_opts[] = {
6449 { .val = 'b', .name = "block-softlimit",
6450 .has_arg = required_argument },
6451 { .val = 'B', .name = "block-hardlimit",
6452 .has_arg = required_argument },
6453 { .val = 'd', .name = "default", .has_arg = no_argument },
6454 { .val = 'g', .name = "group", .has_arg = required_argument },
6455 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6456 { .val = 'i', .name = "inode-softlimit",
6457 .has_arg = required_argument },
6458 { .val = 'I', .name = "inode-hardlimit",
6459 .has_arg = required_argument },
6460 { .val = 'p', .name = "projid", .has_arg = required_argument },
6461 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6462 { .val = 'u', .name = "user", .has_arg = required_argument },
6463 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6465 unsigned limit_mask = 0;
6467 bool use_default = false;
6470 if (has_times_option(argc, argv))
6471 return lfs_setquota_times(argc, argv);
6473 memset(&qctl, 0, sizeof(qctl));
6474 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
6475 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6476 * so it can be used as a marker that qc_type
6477 * isn't reinitialized from command line */
6479 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
6480 long_opts, NULL)) != -1) {
6483 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6486 goto quota_type_def;
6489 rc = name2uid(&qctl.qc_id, optarg);
6492 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6495 goto quota_type_def;
6498 rc = name2gid(&qctl.qc_id, optarg);
6501 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6504 goto quota_type_def;
6507 rc = name2projid(&qctl.qc_id, optarg);
6510 qctl.qc_id = strtoul(optarg, &endptr, 10);
6511 if (*endptr != '\0') {
6512 fprintf(stderr, "%s setquota: invalid"
6513 " id '%s'\n", progname, optarg);
6518 if (qctl.qc_id == 0) {
6519 fprintf(stderr, "%s setquota: can't set quota"
6520 " for root usr/group/project.\n",
6526 if (qctl.qc_type != ALLQUOTA) {
6528 "%s setquota: only one of -u, -U, -g,"
6529 " -G, -p or -P may be specified\n",
6533 qctl.qc_type = qtype;
6536 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6540 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6541 dqb->dqb_bsoftlimit >>= 10;
6542 limit_mask |= BSLIMIT;
6543 if (dqb->dqb_bsoftlimit &&
6544 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6546 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6547 "See '%s help setquota' or Lustre manual for details\n",
6549 (unsigned long long)dqb->dqb_bsoftlimit,
6553 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6554 dqb->dqb_bhardlimit >>= 10;
6555 limit_mask |= BHLIMIT;
6556 if (dqb->dqb_bhardlimit &&
6557 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6559 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6560 "See '%s help setquota' or Lustre manual for details\n",
6562 (unsigned long long)dqb->dqb_bhardlimit,
6566 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6567 limit_mask |= ISLIMIT;
6568 if (dqb->dqb_isoftlimit &&
6569 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6571 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6572 "See '%s help setquota' or Lustre manual for details\n",
6574 (unsigned long long)dqb->dqb_isoftlimit,
6578 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6579 limit_mask |= IHLIMIT;
6580 if (dqb->dqb_ihardlimit &&
6581 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6583 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6584 "See '%s help setquota' or Lustre manual for details\n",
6586 (unsigned long long)dqb->dqb_ihardlimit,
6591 "%s setquota: unrecognized option '%s'\n",
6592 progname, argv[optind - 1]);
6597 if (qctl.qc_type == ALLQUOTA) {
6599 "%s setquota: either -u or -g must be specified\n",
6604 if (!use_default && limit_mask == 0) {
6606 "%s setquota: at least one limit must be specified\n",
6611 if (use_default && limit_mask != 0) {
6613 "%s setquota: limits should not be specified when"
6614 " using default quota\n",
6619 if (use_default && qctl.qc_id == 0) {
6621 "%s setquota: can not set default quota for root"
6622 " user/group/project\n",
6627 if (optind != argc - 1) {
6629 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6630 progname, argv[optind]);
6637 dqb->dqb_bhardlimit = 0;
6638 dqb->dqb_bsoftlimit = 0;
6639 dqb->dqb_ihardlimit = 0;
6640 dqb->dqb_isoftlimit = 0;
6643 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6644 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6645 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6646 /* sigh, we can't just set blimits/ilimits */
6647 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6648 .qc_type = qctl.qc_type,
6649 .qc_id = qctl.qc_id};
6651 rc = llapi_quotactl(mnt, &tmp_qctl);
6655 if (!(limit_mask & BHLIMIT))
6656 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6657 if (!(limit_mask & BSLIMIT))
6658 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6659 if (!(limit_mask & IHLIMIT))
6660 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6661 if (!(limit_mask & ISLIMIT))
6662 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6664 /* Keep grace times if we have got no softlimit arguments */
6665 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6666 dqb->dqb_valid |= QIF_BTIME;
6667 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6670 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6671 dqb->dqb_valid |= QIF_ITIME;
6672 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6676 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6677 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6679 rc = llapi_quotactl(mnt, &qctl);
6683 "%s setquota: cannot quotactl '%s' '%s': %s",
6685 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6692 /* Converts seconds value into format string
6693 * result is returned in buf
6695 * 1. result is in descenting order: 1w2d3h4m5s
6696 * 2. zero fields are not filled (except for p. 3): 5d1s
6697 * 3. zero seconds value is presented as "0s"
6699 static char * __sec2str(time_t seconds, char *buf)
6701 const char spec[] = "smhdw";
6702 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6707 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
6708 c = seconds / mult[i];
6710 if (c > 0 || (i == 0 && buf == tail))
6711 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
6719 static void sec2str(time_t seconds, char *buf, int rc)
6726 tail = __sec2str(seconds, tail);
6728 if (rc && tail - buf < 39) {
6734 static void diff2str(time_t seconds, char *buf, time_t now)
6740 if (seconds <= now) {
6741 strcpy(buf, "none");
6744 __sec2str(seconds - now, buf);
6747 static void print_quota_title(char *name, struct if_quotactl *qctl,
6748 bool human_readable, bool show_default)
6751 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6752 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6753 "Filesystem", "bquota", "blimit", "bgrace",
6754 "iquota", "ilimit", "igrace");
6756 printf("Disk quotas for %s %s (%cid %u):\n",
6757 qtype_name(qctl->qc_type), name,
6758 *qtype_name(qctl->qc_type), qctl->qc_id);
6759 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6760 "Filesystem", human_readable ? "used" : "kbytes",
6761 "quota", "limit", "grace",
6762 "files", "quota", "limit", "grace");
6766 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6769 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6772 snprintf(buf, buflen, "%5.4gP",
6773 (double)num / ((__u64)1 << 40));
6775 snprintf(buf, buflen, "%5.4gT",
6776 (double)num / (1 << 30));
6778 snprintf(buf, buflen, "%5.4gG",
6779 (double)num / (1 << 20));
6781 snprintf(buf, buflen, "%5.4gM",
6782 (double)num / (1 << 10));
6784 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6788 #define STRBUF_LEN 32
6789 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6790 int rc, bool h, bool show_default)
6796 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6797 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6798 int bover = 0, iover = 0;
6799 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6800 char numbuf[3][STRBUF_LEN];
6802 char strbuf[STRBUF_LEN];
6804 if (dqb->dqb_bhardlimit &&
6805 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6807 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6808 if (dqb->dqb_btime > now) {
6815 if (dqb->dqb_ihardlimit &&
6816 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6818 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6819 if (dqb->dqb_itime > now) {
6827 if (strlen(mnt) > 15)
6828 printf("%s\n%15s", mnt, "");
6830 printf("%15s", mnt);
6833 diff2str(dqb->dqb_btime, timebuf, now);
6834 else if (show_default)
6835 snprintf(timebuf, sizeof(timebuf), "%llu",
6836 (unsigned long long)dqb->dqb_btime);
6838 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6839 strbuf, sizeof(strbuf), h);
6840 if (rc == -EREMOTEIO)
6841 sprintf(numbuf[0], "%s*", strbuf);
6843 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6844 "%s" : "[%s]", strbuf);
6846 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6847 if (type == QC_GENERAL)
6848 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6849 "%s" : "[%s]", strbuf);
6851 sprintf(numbuf[1], "%s", "-");
6853 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6854 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6855 "%s" : "[%s]", strbuf);
6858 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6860 printf(" %7s%c %6s %7s %7s",
6861 numbuf[0], bover ? '*' : ' ', numbuf[1],
6862 numbuf[2], bover > 1 ? timebuf : "-");
6866 diff2str(dqb->dqb_itime, timebuf, now);
6867 else if (show_default)
6868 snprintf(timebuf, sizeof(timebuf), "%llu",
6869 (unsigned long long)dqb->dqb_itime);
6871 snprintf(numbuf[0], sizeof(numbuf),
6872 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
6873 (uintmax_t)dqb->dqb_curinodes);
6875 if (type == QC_GENERAL)
6876 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
6878 (uintmax_t)dqb->dqb_isoftlimit);
6880 sprintf(numbuf[1], "%s", "-");
6882 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
6883 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
6886 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6887 else if (type != QC_OSTIDX)
6888 printf(" %7s%c %6s %7s %7s",
6889 numbuf[0], iover ? '*' : ' ', numbuf[1],
6890 numbuf[2], iover > 1 ? timebuf : "-");
6892 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
6895 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
6896 qctl->qc_cmd == Q_GETOINFO) {
6900 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
6901 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
6902 printf("Block grace time: %s; Inode grace time: %s\n",
6903 bgtimebuf, igtimebuf);
6907 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
6908 bool h, __u64 *total)
6910 int rc = 0, rc1 = 0, count = 0;
6911 __u32 valid = qctl->qc_valid;
6913 rc = llapi_get_obd_count(mnt, &count, is_mdt);
6915 fprintf(stderr, "can not get %s count: %s\n",
6916 is_mdt ? "mdt": "ost", strerror(-rc));
6920 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
6921 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
6922 rc = llapi_quotactl(mnt, qctl);
6924 /* It is remote client case. */
6925 if (rc == -EOPNOTSUPP) {
6932 fprintf(stderr, "quotactl %s%d failed.\n",
6933 is_mdt ? "mdt": "ost", qctl->qc_idx);
6937 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
6938 qctl->qc_valid, 0, h, false);
6939 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
6940 qctl->qc_dqblk.dqb_bhardlimit;
6943 qctl->qc_valid = valid;
6947 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
6948 int verbose, int quiet, bool human_readable,
6951 int rc1 = 0, rc2 = 0, rc3 = 0;
6952 char *obd_type = (char *)qctl->obd_type;
6953 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
6954 __u64 total_ialloc = 0, total_balloc = 0;
6955 bool use_default_for_blk = false;
6956 bool use_default_for_file = false;
6959 rc1 = llapi_quotactl(mnt, qctl);
6963 fprintf(stderr, "%s quotas are not enabled.\n",
6964 qtype_name(qctl->qc_type));
6967 fprintf(stderr, "Permission denied.\n");
6970 /* We already got error message. */
6973 fprintf(stderr, "Unexpected quotactl error: %s\n",
6978 if (!show_default && qctl->qc_id == 0) {
6979 qctl->qc_dqblk.dqb_bhardlimit = 0;
6980 qctl->qc_dqblk.dqb_bsoftlimit = 0;
6981 qctl->qc_dqblk.dqb_ihardlimit = 0;
6982 qctl->qc_dqblk.dqb_isoftlimit = 0;
6983 qctl->qc_dqblk.dqb_btime = 0;
6984 qctl->qc_dqblk.dqb_itime = 0;
6985 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
6988 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
6989 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
6990 use_default_for_blk = true;
6991 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
6994 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
6995 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
6996 use_default_for_file = true;
6997 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7000 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7001 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7002 print_quota_title(name, qctl, human_readable, show_default);
7004 if (rc1 && *obd_type)
7005 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7007 if (qctl->qc_valid != QC_GENERAL)
7010 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
7011 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7012 (QIF_LIMITS|QIF_USAGE));
7014 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7016 if (!show_default && verbose &&
7017 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
7018 char strbuf[STRBUF_LEN];
7020 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7022 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7024 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7026 printf("Total allocated inode limit: %ju, total "
7027 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
7031 if (use_default_for_blk)
7032 printf("%cid %u is using default block quota setting\n",
7033 *qtype_name(qctl->qc_type), qctl->qc_id);
7035 if (use_default_for_file)
7036 printf("%cid %u is using default file quota setting\n",
7037 *qtype_name(qctl->qc_type), qctl->qc_id);
7039 if (rc1 || rc2 || rc3 || inacc)
7040 printf("Some errors happened when getting quota info. "
7041 "Some devices may be not working or deactivated. "
7042 "The data in \"[]\" is inaccurate.\n");
7048 static int lfs_project(int argc, char **argv)
7050 int ret = 0, err = 0, c, i;
7051 struct project_handle_control phc = { 0 };
7052 enum lfs_project_ops_t op;
7055 phc.assign_projid = false;
7056 /* default action */
7057 op = LFS_PROJECT_LIST;
7059 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7062 if (op != LFS_PROJECT_LIST) {
7064 "%s: cannot specify '-c' '-C' '-s' together\n",
7069 op = LFS_PROJECT_CHECK;
7072 if (op != LFS_PROJECT_LIST) {
7074 "%s: cannot specify '-c' '-C' '-s' together\n",
7079 op = LFS_PROJECT_CLEAR;
7082 if (op != LFS_PROJECT_LIST) {
7084 "%s: cannot specify '-c' '-C' '-s' together\n",
7089 phc.set_inherit = true;
7090 op = LFS_PROJECT_SET;
7096 phc.keep_projid = true;
7099 phc.recursive = true;
7102 phc.projid = strtoul(optarg, NULL, 0);
7103 phc.assign_projid = true;
7107 phc.newline = false;
7110 fprintf(stderr, "%s: invalid option '%c'\n",
7116 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7117 op = LFS_PROJECT_SET;
7118 phc.set_projid = true;
7119 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7120 phc.set_projid = true;
7124 case LFS_PROJECT_CHECK:
7125 if (phc.keep_projid) {
7127 "%s: '-k' is useless together with '-c'\n",
7132 case LFS_PROJECT_CLEAR:
7135 "%s: '-0' is useless together with '-C'\n",
7139 if (phc.assign_projid) {
7141 "%s: '-p' is useless together with '-C'\n",
7146 case LFS_PROJECT_SET:
7149 "%s: '-0' is useless together with '-s'\n",
7153 if (phc.keep_projid) {
7155 "%s: '-k' is useless together with '-s'\n",
7163 "%s: '-0' is useless for list operations\n",
7173 fprintf(stderr, "%s: missing file or directory target(s)\n",
7178 for (i = 0; i < argc; i++) {
7180 case LFS_PROJECT_CHECK:
7181 err = lfs_project_check(argv[i], &phc);
7183 case LFS_PROJECT_LIST:
7184 err = lfs_project_list(argv[i], &phc);
7186 case LFS_PROJECT_CLEAR:
7187 err = lfs_project_clear(argv[i], &phc);
7189 case LFS_PROJECT_SET:
7190 err = lfs_project_set(argv[i], &phc);
7202 static int lfs_quota(int argc, char **argv)
7205 char *mnt, *name = NULL;
7206 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
7207 .qc_type = ALLQUOTA };
7208 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
7209 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7211 __u32 valid = QC_GENERAL, idx = 0;
7212 bool human_readable = false;
7213 bool show_default = false;
7216 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
7219 show_default = true;
7224 show_default = true;
7229 show_default = true;
7233 if (qctl.qc_type != ALLQUOTA) {
7235 "%s quota: only one of -u, -g, or -p may be specified\n",
7239 qctl.qc_type = qtype;
7242 qctl.qc_cmd = LUSTRE_Q_GETINFO;
7245 valid = qctl.qc_valid = QC_UUID;
7246 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
7249 valid = qctl.qc_valid = QC_MDTIDX;
7250 idx = qctl.qc_idx = atoi(optarg);
7251 if (idx == 0 && *optarg != '0') {
7253 "%s quota: invalid MDT index '%s'\n",
7259 valid = qctl.qc_valid = QC_OSTIDX;
7260 idx = qctl.qc_idx = atoi(optarg);
7261 if (idx == 0 && *optarg != '0') {
7263 "%s quota: invalid OST index '%s'\n",
7275 human_readable = true;
7278 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7279 progname, argv[optind - 1]);
7284 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7285 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
7286 optind == argc - 1 && !show_default) {
7288 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
7291 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7292 qctl.qc_type = qtype;
7293 qctl.qc_valid = valid;
7294 if (qtype == USRQUOTA) {
7295 qctl.qc_id = geteuid();
7296 rc = uid2name(&name, qctl.qc_id);
7298 qctl.qc_id = getegid();
7299 rc = gid2name(&name, qctl.qc_id);
7300 memset(&qctl.qc_dqblk, 0,
7301 sizeof(qctl.qc_dqblk));
7306 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
7307 human_readable, show_default);
7312 /* lfs quota -u username /path/to/lustre/mount */
7313 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
7314 /* options should be followed by u/g-name and mntpoint */
7315 if ((!show_default && optind + 2 != argc) ||
7316 (show_default && optind + 1 != argc) ||
7317 qctl.qc_type == ALLQUOTA) {
7319 "%s quota: name and mount point must be specified\n",
7324 if (!show_default) {
7325 name = argv[optind++];
7326 switch (qctl.qc_type) {
7328 rc = name2uid(&qctl.qc_id, name);
7331 rc = name2gid(&qctl.qc_id, name);
7334 rc = name2projid(&qctl.qc_id, name);
7341 qctl.qc_valid = QC_GENERAL;
7342 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
7347 qctl.qc_id = strtoul(name, &endptr, 10);
7348 if (*endptr != '\0') {
7349 fprintf(stderr, "%s quota: invalid id '%s'\n",
7354 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
7355 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7361 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
7362 human_readable, show_default);
7365 #endif /* HAVE_SYS_QUOTA_H! */
7367 static int flushctx_ioctl(char *mp)
7371 fd = open(mp, O_RDONLY);
7373 fprintf(stderr, "flushctx: error open %s: %s\n",
7374 mp, strerror(errno));
7378 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7380 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7381 mp, strerror(errno));
7387 static int lfs_flushctx(int argc, char **argv)
7389 int kdestroy = 0, c;
7390 char mntdir[PATH_MAX] = {'\0'};
7394 while ((c = getopt(argc, argv, "k")) != -1) {
7400 fprintf(stderr, "error: %s: option '-%c' "
7401 "unrecognized\n", argv[0], c);
7407 if ((rc = system("kdestroy > /dev/null")) != 0) {
7408 rc = WEXITSTATUS(rc);
7409 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7413 if (optind >= argc) {
7414 /* flush for all mounted lustre fs. */
7415 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7416 /* Check if we have a mount point */
7417 if (mntdir[0] == '\0')
7420 if (flushctx_ioctl(mntdir))
7423 mntdir[0] = '\0'; /* avoid matching in next loop */
7426 /* flush fs as specified */
7427 while (optind < argc) {
7428 if (flushctx_ioctl(argv[optind++]))
7435 static int lfs_changelog(int argc, char **argv)
7437 void *changelog_priv;
7438 struct changelog_rec *rec;
7439 long long startrec = 0, endrec = 0;
7441 struct option long_opts[] = {
7442 { .val = 'f', .name = "follow", .has_arg = no_argument },
7444 char short_opts[] = "f";
7447 while ((rc = getopt_long(argc, argv, short_opts,
7448 long_opts, NULL)) != -1) {
7455 "%s changelog: unrecognized option '%s'\n",
7456 progname, argv[optind - 1]);
7460 if (optind >= argc) {
7461 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7466 mdd = argv[optind++];
7468 startrec = strtoll(argv[optind++], NULL, 10);
7470 endrec = strtoll(argv[optind++], NULL, 10);
7472 rc = llapi_changelog_start(&changelog_priv,
7473 CHANGELOG_FLAG_BLOCK |
7474 CHANGELOG_FLAG_JOBID |
7475 CHANGELOG_FLAG_EXTRA_FLAGS |
7476 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7479 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7480 progname, strerror(errno = -rc));
7484 rc = llapi_changelog_set_xflags(changelog_priv,
7485 CHANGELOG_EXTRA_FLAG_UIDGID |
7486 CHANGELOG_EXTRA_FLAG_NID |
7487 CHANGELOG_EXTRA_FLAG_OMODE |
7488 CHANGELOG_EXTRA_FLAG_XATTR);
7491 "%s changelog: cannot set xflags for changelog: %s\n",
7492 progname, strerror(errno = -rc));
7496 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7500 if (endrec && rec->cr_index > endrec) {
7501 llapi_changelog_free(&rec);
7504 if (rec->cr_index < startrec) {
7505 llapi_changelog_free(&rec);
7509 secs = rec->cr_time >> 30;
7510 gmtime_r(&secs, &ts);
7511 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7512 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7513 changelog_type2str(rec->cr_type),
7514 ts.tm_hour, ts.tm_min, ts.tm_sec,
7515 (int)(rec->cr_time & ((1 << 30) - 1)),
7516 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7517 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7519 if (rec->cr_flags & CLF_JOBID) {
7520 struct changelog_ext_jobid *jid =
7521 changelog_rec_jobid(rec);
7523 if (jid->cr_jobid[0] != '\0')
7524 printf(" j=%s", jid->cr_jobid);
7527 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7528 struct changelog_ext_extra_flags *ef =
7529 changelog_rec_extra_flags(rec);
7531 printf(" ef=0x%llx",
7532 (unsigned long long)ef->cr_extra_flags);
7534 if (ef->cr_extra_flags & CLFE_UIDGID) {
7535 struct changelog_ext_uidgid *uidgid =
7536 changelog_rec_uidgid(rec);
7538 printf(" u=%llu:%llu",
7539 (unsigned long long)uidgid->cr_uid,
7540 (unsigned long long)uidgid->cr_gid);
7542 if (ef->cr_extra_flags & CLFE_NID) {
7543 struct changelog_ext_nid *nid =
7544 changelog_rec_nid(rec);
7547 libcfs_nid2str(nid->cr_nid));
7550 if (ef->cr_extra_flags & CLFE_OPEN) {
7551 struct changelog_ext_openmode *omd =
7552 changelog_rec_openmode(rec);
7553 char mode[] = "---";
7555 /* exec mode must be exclusive */
7556 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7559 if (omd->cr_openflags & MDS_FMODE_READ)
7561 if (omd->cr_openflags &
7568 if (strcmp(mode, "---") != 0)
7569 printf(" m=%s", mode);
7573 if (ef->cr_extra_flags & CLFE_XATTR) {
7574 struct changelog_ext_xattr *xattr =
7575 changelog_rec_xattr(rec);
7577 if (xattr->cr_xattr[0] != '\0')
7578 printf(" x=%s", xattr->cr_xattr);
7582 if (rec->cr_namelen)
7583 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7584 rec->cr_namelen, changelog_rec_name(rec));
7586 if (rec->cr_flags & CLF_RENAME) {
7587 struct changelog_ext_rename *rnm =
7588 changelog_rec_rename(rec);
7590 if (!fid_is_zero(&rnm->cr_sfid))
7591 printf(" s="DFID" sp="DFID" %.*s",
7592 PFID(&rnm->cr_sfid),
7593 PFID(&rnm->cr_spfid),
7594 (int)changelog_rec_snamelen(rec),
7595 changelog_rec_sname(rec));
7599 llapi_changelog_free(&rec);
7602 llapi_changelog_fini(&changelog_priv);
7605 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7606 progname, strerror(errno = -rc));
7608 return (rc == 1 ? 0 : rc);
7611 static int lfs_changelog_clear(int argc, char **argv)
7619 endrec = strtoll(argv[3], NULL, 10);
7621 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7624 fprintf(stderr, "%s: record out of range: %llu\n",
7626 else if (rc == -ENOENT)
7627 fprintf(stderr, "%s: no changelog user: %s\n",
7630 fprintf(stderr, "%s error: %s\n", argv[0],
7639 static int lfs_fid2path(int argc, char **argv)
7641 struct option long_opts[] = {
7642 { .val = 'c', .name = "cur", .has_arg = no_argument },
7643 { .val = 'l', .name = "link", .has_arg = required_argument },
7644 { .val = 'r', .name = "rec", .has_arg = required_argument },
7646 char short_opts[] = "cl:r:";
7647 char *device, *fid, *path;
7648 long long recno = -1;
7653 char *endptr = NULL;
7655 while ((rc = getopt_long(argc, argv, short_opts,
7656 long_opts, NULL)) != -1) {
7662 linkno = strtol(optarg, &endptr, 10);
7663 if (*endptr != '\0') {
7665 "%s fid2path: invalid linkno '%s'\n",
7671 recno = strtoll(optarg, &endptr, 10);
7672 if (*endptr != '\0') {
7674 "%s fid2path: invalid recno '%s'\n",
7681 "%s fid2path: unrecognized option '%s'\n",
7682 progname, argv[optind - 1]);
7689 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7694 device = argv[optind++];
7695 path = calloc(1, PATH_MAX);
7699 "%s fid2path: cannot allocate memory for path: %s\n",
7700 progname, strerror(-rc));
7705 while (optind < argc) {
7706 fid = argv[optind++];
7708 lnktmp = (linkno >= 0) ? linkno : 0;
7710 int oldtmp = lnktmp;
7711 long long rectmp = recno;
7713 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7717 "%s fid2path: cannot find '%s': %s\n",
7718 progname, fid, strerror(errno = -rc2));
7725 fprintf(stdout, "%lld ", rectmp);
7726 if (device[0] == '/') {
7727 fprintf(stdout, "%s", device);
7728 if (device[strlen(device) - 1] != '/')
7729 fprintf(stdout, "/");
7730 } else if (path[0] == '\0') {
7731 fprintf(stdout, "/");
7733 fprintf(stdout, "%s\n", path);
7736 /* specified linkno */
7738 if (oldtmp == lnktmp)
7748 static int lfs_path2fid(int argc, char **argv)
7750 struct option long_opts[] = {
7751 { .val = 'p', .name = "parents", .has_arg = no_argument },
7754 const char short_opts[] = "p";
7755 const char *sep = "";
7758 bool show_parents = false;
7760 while ((rc = getopt_long(argc, argv, short_opts,
7761 long_opts, NULL)) != -1) {
7764 show_parents = true;
7768 "%s path2fid: unrecognized option '%s'\n",
7769 progname, argv[optind - 1]);
7774 if (optind > argc - 1) {
7775 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7779 else if (optind < argc - 1)
7783 for (path = argv + optind; *path != NULL; path++) {
7785 if (!show_parents) {
7786 err = llapi_path2fid(*path, &fid);
7788 printf("%s%s"DFID"\n",
7789 *sep != '\0' ? *path : "", sep,
7792 char name[NAME_MAX + 1];
7793 unsigned int linkno = 0;
7795 while ((err = llapi_path2parent(*path, linkno, &fid,
7796 name, sizeof(name))) == 0) {
7797 if (*sep != '\0' && linkno == 0)
7798 printf("%s%s", *path, sep);
7800 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7805 /* err == -ENODATA is end-of-loop */
7806 if (linkno > 0 && err == -ENODATA) {
7814 "%s path2fid: cannot get %sfid for '%s': %s\n",
7815 progname, show_parents ? "parent " : "", *path,
7827 #define MAX_ERRNO 4095
7828 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
7830 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
7834 rc = llapi_rmfid(device, fa);
7836 fprintf(stderr, "rmfid(): rc = %d\n", rc);
7840 for (k = 0; k < fa->fa_nr; k++) {
7841 rc = (__s32)fa->fa_fids[k].f_ver;
7842 if (!IS_ERR_VALUE(rc))
7848 fa->fa_fids[k].f_ver = 0;
7849 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
7850 PFID(&fa->fa_fids[k]), rc);
7856 static int lfs_rmfid(int argc, char **argv)
7858 char *fidstr, *device;
7859 int rc = 0, rc2, nr;
7860 struct fid_array *fa;
7862 if (optind > argc - 1) {
7863 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
7867 device = argv[optind++];
7870 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
7876 while (optind < argc) {
7879 fidstr = argv[optind++];
7880 while (*fidstr == '[')
7882 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
7884 fprintf(stderr, "unrecognized FID: %s\n",
7889 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
7890 /* start another batch */
7891 rc2 = lfs_rmfid_and_show_errors(device, fa);
7898 rc2 = lfs_rmfid_and_show_errors(device, fa);
7906 static int lfs_data_version(int argc, char **argv)
7913 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
7916 fprintf(stderr, "%s data_version: FILE must be specified\n",
7921 while ((c = getopt(argc, argv, "nrw")) != -1) {
7924 data_version_flags = 0;
7927 data_version_flags |= LL_DV_RD_FLUSH;
7930 data_version_flags |= LL_DV_WR_FLUSH;
7934 "%s data_version: unrecognized option '%s'\n",
7935 progname, argv[optind - 1]);
7939 if (optind == argc) {
7940 fprintf(stderr, "%s data_version: FILE must be specified\n",
7945 path = argv[optind];
7946 fd = open(path, O_RDONLY);
7949 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
7950 progname, path, strerror(-rc));
7954 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
7957 "%s data_version: cannot get version for '%s': %s\n",
7958 progname, path, strerror(-rc));
7960 printf("%ju" "\n", (uintmax_t)data_version);
7966 static int lfs_hsm_state(int argc, char **argv)
7971 struct hsm_user_state hus;
7979 rc = llapi_hsm_state_get(path, &hus);
7981 fprintf(stderr, "can't get hsm state for %s: %s\n",
7982 path, strerror(errno = -rc));
7986 /* Display path name and status flags */
7987 printf("%s: (0x%08x)", path, hus.hus_states);
7989 if (hus.hus_states & HS_RELEASED)
7990 printf(" released");
7991 if (hus.hus_states & HS_EXISTS)
7993 if (hus.hus_states & HS_DIRTY)
7995 if (hus.hus_states & HS_ARCHIVED)
7996 printf(" archived");
7997 /* Display user-settable flags */
7998 if (hus.hus_states & HS_NORELEASE)
7999 printf(" never_release");
8000 if (hus.hus_states & HS_NOARCHIVE)
8001 printf(" never_archive");
8002 if (hus.hus_states & HS_LOST)
8003 printf(" lost_from_hsm");
8005 if (hus.hus_archive_id != 0)
8006 printf(", archive_id:%d", hus.hus_archive_id);
8009 } while (++i < argc);
8014 #define LFS_HSM_SET 0
8015 #define LFS_HSM_CLEAR 1
8018 * Generic function to set or clear HSM flags.
8019 * Used by hsm_set and hsm_clear.
8021 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8023 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8025 struct option long_opts[] = {
8026 { .val = 'A', .name = "archived", .has_arg = no_argument },
8027 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8028 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8029 { .val = 'e', .name = "exists", .has_arg = no_argument },
8030 { .val = 'l', .name = "lost", .has_arg = no_argument },
8031 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8032 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8034 char short_opts[] = "lraAdei:";
8038 __u32 archive_id = 0;
8044 while ((c = getopt_long(argc, argv, short_opts,
8045 long_opts, NULL)) != -1) {
8051 mask |= HS_NOARCHIVE;
8054 mask |= HS_ARCHIVED;
8057 mask |= HS_NORELEASE;
8066 archive_id = strtol(optarg, &end, 10);
8068 fprintf(stderr, "invalid archive_id: '%s'\n",
8076 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8077 argv[0], argv[optind - 1]);
8082 /* User should have specified a flag */
8086 while (optind < argc) {
8088 path = argv[optind];
8090 /* If mode == 0, this means we apply the mask. */
8091 if (mode == LFS_HSM_SET)
8092 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8094 rc = llapi_hsm_state_set(path, 0, mask, 0);
8097 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8098 path, strerror(errno = -rc));
8107 static int lfs_hsm_action(int argc, char **argv)
8112 struct hsm_current_action hca;
8113 struct hsm_extent he;
8114 enum hsm_user_action hua;
8115 enum hsm_progress_states hps;
8123 rc = llapi_hsm_current_action(path, &hca);
8125 fprintf(stderr, "can't get hsm action for %s: %s\n",
8126 path, strerror(errno = -rc));
8129 he = hca.hca_location;
8130 hua = hca.hca_action;
8131 hps = hca.hca_state;
8133 printf("%s: %s", path, hsm_user_action2name(hua));
8135 /* Skip file without action */
8136 if (hca.hca_action == HUA_NONE) {
8141 printf(" %s ", hsm_progress_state2name(hps));
8143 if ((hps == HPS_RUNNING) &&
8144 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8145 printf("(%llu bytes moved)\n",
8146 (unsigned long long)he.length);
8147 else if ((he.offset + he.length) == LUSTRE_EOF)
8148 printf("(from %llu to EOF)\n",
8149 (unsigned long long)he.offset);
8151 printf("(from %llu to %llu)\n",
8152 (unsigned long long)he.offset,
8153 (unsigned long long)(he.offset + he.length));
8155 } while (++i < argc);
8160 static int lfs_hsm_set(int argc, char **argv)
8162 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8165 static int lfs_hsm_clear(int argc, char **argv)
8167 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8171 * Check file state and return its fid, to be used by lfs_hsm_request().
8173 * \param[in] file Path to file to check
8174 * \param[in,out] fid Pointer to allocated lu_fid struct.
8175 * \param[in,out] last_dev Pointer to last device id used.
8177 * \return 0 on success.
8179 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8185 rc = lstat(file, &st);
8187 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8190 /* Checking for regular file as archiving as posix copytool
8191 * rejects archiving files other than regular files
8193 if (!S_ISREG(st.st_mode)) {
8194 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8197 /* A request should be ... */
8198 if (*last_dev != st.st_dev && *last_dev != 0) {
8199 fprintf(stderr, "All files should be "
8200 "on the same filesystem: %s\n", file);
8203 *last_dev = st.st_dev;
8205 rc = llapi_path2fid(file, fid);
8207 fprintf(stderr, "Cannot read FID of %s: %s\n",
8208 file, strerror(-rc));
8214 /* Fill an HSM HUR item with a given file name.
8216 * If mntpath is set, then the filename is actually a FID, and no
8217 * lookup on the filesystem will be performed.
8219 * \param[in] hur the user request to fill
8220 * \param[in] idx index of the item inside the HUR to fill
8221 * \param[in] mntpath mountpoint of Lustre
8222 * \param[in] fname filename (if mtnpath is NULL)
8223 * or FID (if mntpath is set)
8224 * \param[in] last_dev pointer to last device id used
8226 * \retval 0 on success
8227 * \retval CMD_HELP or a negative errno on error
8229 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8230 const char *mntpath, const char *fname,
8233 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8236 hui->hui_extent.length = -1;
8238 if (mntpath != NULL) {
8241 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
8245 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8250 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8254 hur->hur_request.hr_itemcount++;
8259 static int lfs_hsm_request(int argc, char **argv, int action)
8261 struct option long_opts[] = {
8262 { .val = 'a', .name = "archive", .has_arg = required_argument },
8263 { .val = 'D', .name = "data", .has_arg = required_argument },
8264 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8265 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8268 char short_opts[] = "l:D:a:m:";
8269 struct hsm_user_request *hur, *oldhur;
8274 char *filelist = NULL;
8275 char fullpath[PATH_MAX];
8276 char *opaque = NULL;
8280 int nbfile_alloc = 0;
8281 char *some_file = NULL;
8282 char *mntpath = NULL;
8288 while ((c = getopt_long(argc, argv, short_opts,
8289 long_opts, NULL)) != -1) {
8298 if (action != HUA_ARCHIVE &&
8299 action != HUA_REMOVE) {
8301 "error: -a is supported only "
8302 "when archiving or removing\n");
8305 archive_id = atoi(optarg);
8308 if (some_file == NULL) {
8310 some_file = strdup(optarg);
8316 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8317 argv[0], argv[optind - 1]);
8322 /* All remaining args are files, so we have at least nbfile */
8323 nbfile = argc - optind;
8325 if ((nbfile == 0) && (filelist == NULL))
8329 opaque_len = strlen(opaque);
8331 /* Alloc the request structure with enough place to store all files
8332 * from command line. */
8333 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8335 fprintf(stderr, "Cannot create the request: %s\n",
8339 nbfile_alloc = nbfile;
8341 hur->hur_request.hr_action = action;
8342 hur->hur_request.hr_archive_id = archive_id;
8343 hur->hur_request.hr_flags = 0;
8345 /* All remaining args are files, add them */
8346 if (nbfile != 0 && some_file == NULL)
8347 some_file = strdup(argv[optind]);
8349 for (i = 0; i < nbfile; i++) {
8350 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8356 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8358 /* If a filelist was specified, read the filelist from it. */
8359 if (filelist != NULL) {
8360 fp = fopen(filelist, "r");
8362 fprintf(stderr, "Cannot read the file list %s: %s\n",
8363 filelist, strerror(errno));
8368 while ((rc = getline(&line, &len, fp)) != -1) {
8369 /* If allocated buffer was too small, get something
8371 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8374 nbfile_alloc = nbfile_alloc * 2 + 1;
8376 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8379 fprintf(stderr, "hsm: cannot allocate "
8380 "the request: %s\n",
8387 size = hur_len(oldhur);
8389 fprintf(stderr, "hsm: cannot allocate "
8390 "%u files + %u bytes data\n",
8391 oldhur->hur_request.hr_itemcount,
8392 oldhur->hur_request.hr_data_len);
8399 memcpy(hur, oldhur, size);
8404 if (line[strlen(line) - 1] == '\n')
8405 line[strlen(line) - 1] = '\0';
8407 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8408 mntpath, line, &last_dev);
8414 if (some_file == NULL) {
8424 /* If a --data was used, add it to the request */
8425 hur->hur_request.hr_data_len = opaque_len;
8427 memcpy(hur_data(hur), opaque, opaque_len);
8429 /* Send the HSM request */
8430 if (realpath(some_file, fullpath) == NULL) {
8431 fprintf(stderr, "Could not find path '%s': %s\n",
8432 some_file, strerror(errno));
8434 rc = llapi_hsm_request(fullpath, hur);
8436 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8437 some_file, strerror(-rc));
8447 static int lfs_hsm_archive(int argc, char **argv)
8449 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8452 static int lfs_hsm_restore(int argc, char **argv)
8454 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8457 static int lfs_hsm_release(int argc, char **argv)
8459 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8462 static int lfs_hsm_remove(int argc, char **argv)
8464 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8467 static int lfs_hsm_cancel(int argc, char **argv)
8469 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8472 static int lfs_swap_layouts(int argc, char **argv)
8477 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8478 SWAP_LAYOUTS_KEEP_MTIME |
8479 SWAP_LAYOUTS_KEEP_ATIME);
8482 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8484 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8486 int lfs_get_mode(const char *string)
8488 enum lock_mode_user mode;
8490 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8491 if (lock_mode_names[mode] == NULL)
8493 if (strcmp(string, lock_mode_names[mode]) == 0)
8500 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8502 enum lu_ladvise_type advice;
8505 advice < ARRAY_SIZE(ladvise_names); advice++) {
8506 if (ladvise_names[advice] == NULL)
8508 if (strcmp(string, ladvise_names[advice]) == 0)
8512 return LU_LADVISE_INVALID;
8515 static int lfs_ladvise(int argc, char **argv)
8517 struct option long_opts[] = {
8518 { .val = 'a', .name = "advice", .has_arg = required_argument },
8519 { .val = 'b', .name = "background", .has_arg = no_argument },
8520 { .val = 'e', .name = "end", .has_arg = required_argument },
8521 { .val = 'l', .name = "length", .has_arg = required_argument },
8522 { .val = 'm', .name = "mode", .has_arg = required_argument },
8523 { .val = 's', .name = "start", .has_arg = required_argument },
8524 { .val = 'u', .name = "unset", .has_arg = no_argument },
8526 char short_opts[] = "a:be:l:m:s:u";
8531 struct llapi_lu_ladvise advice;
8532 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8533 unsigned long long start = 0;
8534 unsigned long long end = LUSTRE_EOF;
8535 unsigned long long length = 0;
8536 unsigned long long size_units;
8537 unsigned long long flags = 0;
8541 while ((c = getopt_long(argc, argv, short_opts,
8542 long_opts, NULL)) != -1) {
8545 advice_type = lfs_get_ladvice(optarg);
8546 if (advice_type == LU_LADVISE_INVALID) {
8547 fprintf(stderr, "%s: invalid advice type "
8548 "'%s'\n", argv[0], optarg);
8549 fprintf(stderr, "Valid types:");
8551 for (advice_type = 0;
8552 advice_type < ARRAY_SIZE(ladvise_names);
8554 if (ladvise_names[advice_type] == NULL)
8556 fprintf(stderr, " %s",
8557 ladvise_names[advice_type]);
8559 fprintf(stderr, "\n");
8572 rc = llapi_parse_size(optarg, &end,
8575 fprintf(stderr, "%s: bad end offset '%s'\n",
8582 rc = llapi_parse_size(optarg, &start,
8585 fprintf(stderr, "%s: bad start offset "
8586 "'%s'\n", argv[0], optarg);
8592 rc = llapi_parse_size(optarg, &length,
8595 fprintf(stderr, "%s: bad length '%s'\n",
8601 mode = lfs_get_mode(optarg);
8603 fprintf(stderr, "%s: bad mode '%s', valid "
8604 "modes are READ or WRITE\n",
8612 fprintf(stderr, "%s: option '%s' unrecognized\n",
8613 argv[0], argv[optind - 1]);
8618 if (advice_type == LU_LADVISE_INVALID) {
8619 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8620 fprintf(stderr, "Valid types:");
8621 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8623 if (ladvise_names[advice_type] == NULL)
8625 fprintf(stderr, " %s", ladvise_names[advice_type]);
8627 fprintf(stderr, "\n");
8631 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8632 fprintf(stderr, "%s: Lock no expand advice is a per file "
8633 "descriptor advice, so when called from lfs, "
8634 "it does nothing.\n", argv[0]);
8638 if (argc <= optind) {
8639 fprintf(stderr, "%s: please give one or more file names\n",
8644 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8645 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8650 if (end == LUSTRE_EOF && length != 0)
8651 end = start + length;
8654 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8655 argv[0], start, end);
8659 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8660 fprintf(stderr, "%s: mode is only valid with lockahead\n",
8665 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
8666 fprintf(stderr, "%s: mode is required with lockahead\n",
8671 while (optind < argc) {
8674 path = argv[optind++];
8676 fd = open(path, O_RDONLY);
8678 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8679 argv[0], path, strerror(errno));
8684 advice.lla_start = start;
8685 advice.lla_end = end;
8686 advice.lla_advice = advice_type;
8687 advice.lla_value1 = 0;
8688 advice.lla_value2 = 0;
8689 advice.lla_value3 = 0;
8690 advice.lla_value4 = 0;
8691 if (advice_type == LU_LADVISE_LOCKAHEAD) {
8692 advice.lla_lockahead_mode = mode;
8693 advice.lla_peradvice_flags = flags;
8696 rc2 = llapi_ladvise(fd, flags, 1, &advice);
8699 fprintf(stderr, "%s: cannot give advice '%s' to file "
8700 "'%s': %s\n", argv[0],
8701 ladvise_names[advice_type],
8702 path, strerror(errno));
8708 if (rc == 0 && rc2 < 0)
8714 static const char *const heat_names[] = LU_HEAT_NAMES;
8716 static int lfs_heat_get(int argc, char **argv)
8718 struct lu_heat *heat;
8727 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
8729 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8734 while (optind < argc) {
8735 path = argv[optind++];
8737 fd = open(path, O_RDONLY);
8739 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8740 argv[0], path, strerror(errno));
8745 heat->lh_count = OBD_HEAT_COUNT;
8746 rc2 = llapi_heat_get(fd, heat);
8749 fprintf(stderr, "%s: cannot get heat of file '%s'"
8750 ": %s\n", argv[0], path, strerror(errno));
8754 printf("flags: %x\n", heat->lh_flags);
8755 for (i = 0; i < heat->lh_count; i++)
8756 printf("%s: %llu\n", heat_names[i],
8757 (unsigned long long)heat->lh_heat[i]);
8759 if (rc == 0 && rc2 < 0)
8767 static int lfs_heat_set(int argc, char **argv)
8769 struct option long_opts[] = {
8770 { .val = 'c', .name = "clear", .has_arg = no_argument },
8771 { .val = 'o', .name = "off", .has_arg = no_argument },
8772 { .val = 'O', .name = "on", .has_arg = no_argument },
8774 enum lu_heat_flag flags = 0;
8784 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
8787 flags |= LU_HEAT_FLAG_CLEAR;
8790 flags |= LU_HEAT_FLAG_CLEAR;
8791 flags |= LU_HEAT_FLAG_OFF;
8794 flags &= ~LU_HEAT_FLAG_OFF;
8799 fprintf(stderr, "%s: option '%s' unrecognized\n",
8800 argv[0], argv[optind - 1]);
8805 if (argc <= optind) {
8806 fprintf(stderr, "%s: please give one or more file names\n",
8811 while (optind < argc) {
8812 path = argv[optind++];
8814 fd = open(path, O_RDONLY);
8816 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8817 argv[0], path, strerror(errno));
8822 rc2 = llapi_heat_set(fd, flags);
8825 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8826 ": %s\n", argv[0], path, strerror(errno));
8830 if (rc == 0 && rc2 < 0)
8836 /** The input string contains a comma delimited list of component ids and
8837 * ranges, for example "1,2-4,7".
8839 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8841 bool end_of_loop = false;
8849 while (!end_of_loop) {
8853 char *endptr = NULL;
8856 ptr = strchrnul(arg, ',');
8857 end_of_loop = *ptr == '\0';
8860 start_index = strtol(arg, &endptr, 0);
8861 if (endptr == arg) /* no data at all */
8863 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
8865 if (start_index < 0)
8868 end_index = start_index;
8869 if (*endptr == '-') {
8870 end_index = strtol(endptr + 1, &endptr, 0);
8871 if (*endptr != '\0')
8873 if (end_index < start_index)
8877 for (i = start_index; i <= end_index && size > 0; i++) {
8880 /* remove duplicate */
8881 for (j = 0; j < nr; j++) {
8885 if (j == nr) { /* no duplicate */
8891 if (size == 0 && i < end_index)
8898 if (!end_of_loop && ptr != NULL)
8901 return rc < 0 ? rc : nr;
8905 * struct verify_mirror_id - Mirror id to be verified.
8906 * @mirror_id: A specified mirror id.
8907 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
8909 struct verify_mirror_id {
8915 * compare_mirror_ids() - Compare mirror ids.
8916 * @layout: Mirror component list.
8917 * @cbdata: Callback data in verify_mirror_id structure.
8919 * This is a callback function called by llapi_layout_comp_iterate()
8920 * to compare the specified mirror id with the one in the current
8921 * component of @layout. If they are the same, then the specified
8922 * mirror id is valid.
8924 * Return: a negative error code on failure or
8925 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
8926 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
8929 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
8931 struct verify_mirror_id *mirror_id_cbdata =
8932 (struct verify_mirror_id *)cbdata;
8936 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
8940 "%s: llapi_layout_mirror_id_get failed: %s.\n",
8941 progname, strerror(errno));
8945 if (mirror_id_cbdata->mirror_id == mirror_id) {
8946 mirror_id_cbdata->is_valid_id = true;
8947 return LLAPI_LAYOUT_ITER_STOP;
8950 return LLAPI_LAYOUT_ITER_CONT;
8954 * verify_mirror_ids() - Verify specified mirror ids.
8955 * @fname: Mirrored file name.
8956 * @mirror_ids: Specified mirror ids to be verified.
8957 * @ids_nr: Number of specified mirror ids.
8959 * This function verifies that specified @mirror_ids are valid
8960 * in the mirrored file @fname.
8962 * Return: 0 on success or a negative error code on failure.
8965 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
8967 struct llapi_layout *layout = NULL;
8968 struct verify_mirror_id mirror_id_cbdata = { 0 };
8979 if (stat(fname, &stbuf) < 0) {
8980 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8981 progname, fname, strerror(errno));
8986 if (!S_ISREG(stbuf.st_mode)) {
8987 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8993 fd = open(fname, O_DIRECT | O_RDONLY);
8995 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8996 progname, fname, strerror(errno));
9001 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9003 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9004 progname, fname, strerror(errno));
9008 layout = llapi_layout_get_by_fd(fd, 0);
9009 if (layout == NULL) {
9010 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9011 progname, fname, strerror(errno));
9013 llapi_lease_release(fd);
9017 rc = llapi_layout_flags_get(layout, &flr_state);
9019 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9020 progname, fname, strerror(errno));
9025 flr_state &= LCM_FL_FLR_MASK;
9026 switch (flr_state) {
9029 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9030 progname, fname, llapi_layout_flags_string(flr_state));
9037 for (i = 0; i < ids_nr; i++) {
9038 mirror_id_cbdata.mirror_id = mirror_ids[i];
9039 mirror_id_cbdata.is_valid_id = false;
9041 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9046 "%s: '%s' failed to verify mirror id: %u.\n",
9047 progname, fname, mirror_ids[i]);
9051 if (!mirror_id_cbdata.is_valid_id) {
9054 "%s: '%s' invalid specified mirror id: %u.\n",
9055 progname, fname, mirror_ids[i]);
9061 llapi_layout_free(layout);
9062 llapi_lease_release(fd);
9070 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9071 __u16 *mirror_ids, int ids_nr)
9073 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9074 struct llapi_layout *layout;
9085 if (stat(fname, &stbuf) < 0) {
9086 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9087 progname, fname, strerror(errno));
9091 if (!S_ISREG(stbuf.st_mode)) {
9092 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9098 fd = open(fname, O_DIRECT | O_RDWR);
9100 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9101 progname, fname, strerror(errno));
9106 layout = llapi_layout_get_by_fd(fd, 0);
9107 if (layout == NULL) {
9108 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9109 progname, fname, strerror(errno));
9114 rc = llapi_layout_flags_get(layout, &flr_state);
9116 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9117 progname, fname, strerror(errno));
9122 flr_state &= LCM_FL_FLR_MASK;
9123 if (flr_state == LCM_FL_NONE) {
9125 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9130 /* get stale component info */
9131 comp_size = llapi_mirror_find_stale(layout, comp_array,
9132 ARRAY_SIZE(comp_array),
9133 mirror_ids, ids_nr);
9134 if (comp_size <= 0) {
9139 ioc->lil_mode = LL_LEASE_WRLCK;
9140 ioc->lil_flags = LL_LEASE_RESYNC;
9141 rc = llapi_lease_set(fd, ioc);
9143 if (rc == -EALREADY)
9147 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9148 progname, fname, strerror(-rc));
9152 /* get the read range [start, end) */
9153 start = comp_array[0].lrc_start;
9154 end = comp_array[0].lrc_end;
9155 for (idx = 1; idx < comp_size; idx++) {
9156 if (comp_array[idx].lrc_start < start)
9157 start = comp_array[idx].lrc_start;
9158 if (end < comp_array[idx].lrc_end)
9159 end = comp_array[idx].lrc_end;
9162 rc = llapi_lease_check(fd);
9163 if (rc != LL_LEASE_WRLCK) {
9164 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9169 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9172 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9173 progname, fname, strerror(-rc));
9175 /* need to do the lease unlock even resync fails */
9176 ioc->lil_mode = LL_LEASE_UNLCK;
9177 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9179 for (idx = 0; idx < comp_size; idx++) {
9180 if (comp_array[idx].lrc_synced) {
9181 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9186 rc2 = llapi_lease_set(fd, ioc);
9188 * llapi_lease_set returns lease mode when it request to unlock
9192 /* rc2 == 0 means lost lease lock */
9193 if (rc2 == 0 && rc == 0)
9195 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9197 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9201 llapi_layout_free(layout);
9208 static inline int lfs_mirror_resync(int argc, char **argv)
9210 struct ll_ioc_lease *ioc = NULL;
9211 __u16 mirror_ids[128] = { 0 };
9216 struct option long_opts[] = {
9217 { .val = 'o', .name = "only", .has_arg = required_argument },
9220 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9223 rc = parse_mirror_ids(mirror_ids,
9224 sizeof(mirror_ids) / sizeof(__u16),
9228 "%s: bad mirror ids '%s'.\n",
9235 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9236 argv[0], argv[optind - 1]);
9242 if (argc == optind) {
9243 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9248 if (ids_nr > 0 && argc > optind + 1) {
9250 "%s: option '--only' cannot be used upon multiple files.\n",
9258 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9263 /* set the lease on the file */
9264 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9266 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9267 argv[0], strerror(errno));
9272 for (; optind < argc; optind++) {
9273 rc = lfs_mirror_resync_file(argv[optind], ioc,
9274 mirror_ids, ids_nr);
9275 /* ignore previous file's error, continue with next file */
9278 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9286 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9288 struct llapi_layout *layout;
9291 layout = llapi_layout_get_by_fd(fd, 0);
9292 if (layout == NULL) {
9293 fprintf(stderr, "could not get layout.\n");
9297 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9299 fprintf(stderr, "failed to iterate layout\n");
9300 llapi_layout_free(layout);
9303 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9304 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9305 llapi_layout_free(layout);
9309 llapi_layout_free(layout);
9315 * Check whether two files are the same file
9316 * \retval 0 same file
9317 * \retval 1 not the same file
9318 * \retval <0 error code
9320 static inline int check_same_file(const char *f1, const char *f2)
9325 if (stat(f1, &stbuf1) < 0) {
9326 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9327 progname, f1, strerror(errno));
9331 if (stat(f2, &stbuf2) < 0) {
9332 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9333 progname, f2, strerror(errno));
9337 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9338 stbuf1.st_ino == stbuf2.st_ino)
9344 static inline int lfs_mirror_read(int argc, char **argv)
9347 __u16 mirror_id = 0;
9348 const char *outfile = NULL;
9354 const size_t buflen = 4 << 20;
9356 struct option long_opts[] = {
9357 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9358 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9361 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9366 mirror_id = strtoul(optarg, &end, 0);
9367 if (*end != '\0' || mirror_id == 0) {
9369 "%s %s: invalid mirror ID '%s'\n",
9370 progname, argv[0], optarg);
9378 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9379 progname, argv[optind - 1]);
9384 if (argc == optind) {
9385 fprintf(stderr, "%s %s: no mirrored file provided\n",
9388 } else if (argc > optind + 1) {
9389 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9393 if (mirror_id == 0) {
9394 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9399 /* open mirror file */
9400 fname = argv[optind];
9403 rc = check_same_file(fname, outfile);
9406 "%s %s: output file cannot be the mirrored file\n",
9414 fd = open(fname, O_DIRECT | O_RDONLY);
9416 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9417 progname, argv[0], fname, strerror(errno));
9421 /* verify mirror id */
9422 rc = verify_mirror_id_by_fd(fd, mirror_id);
9425 "%s %s: cannot find mirror with ID %u in '%s'\n",
9426 progname, argv[0], mirror_id, fname);
9430 /* open output file */
9432 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9434 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9435 progname, argv[0], outfile, strerror(errno));
9440 outfd = STDOUT_FILENO;
9443 /* allocate buffer */
9444 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9446 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9447 progname, argv[0], rc);
9454 ssize_t written = 0;
9456 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9457 if (bytes_read < 0) {
9460 "%s %s: fail to read data from mirror %u: %s\n",
9461 progname, argv[0], mirror_id, strerror(-rc));
9466 if (bytes_read == 0)
9469 while (written < bytes_read) {
9472 written2 = write(outfd, buf + written,
9473 bytes_read - written);
9476 "%s %s: fail to write %s: %s\n",
9477 progname, argv[0], outfile ? : "STDOUT",
9482 written += written2;
9485 if (written != bytes_read) {
9487 "%s %s: written %ld bytes does not match with %ld read.\n",
9488 progname, argv[0], written, bytes_read);
9510 static inline int lfs_mirror_write(int argc, char **argv)
9513 __u16 mirror_id = 0;
9514 const char *inputfile = NULL;
9520 const size_t buflen = 4 << 20;
9522 size_t page_size = sysconf(_SC_PAGESIZE);
9523 struct ll_ioc_lease_id ioc;
9525 struct option long_opts[] = {
9526 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9527 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9530 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9535 mirror_id = strtoul(optarg, &end, 0);
9536 if (*end != '\0' || mirror_id == 0) {
9538 "%s %s: invalid mirror ID '%s'\n",
9539 progname, argv[0], optarg);
9547 fprintf(stderr, "%s: option '%s' unrecognized\n",
9548 progname, argv[optind - 1]);
9553 if (argc == optind) {
9554 fprintf(stderr, "%s %s: no mirrored file provided\n",
9557 } else if (argc > optind + 1) {
9558 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9562 if (mirror_id == 0) {
9563 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9568 /* open mirror file */
9569 fname = argv[optind];
9572 rc = check_same_file(fname, inputfile);
9575 "%s %s: input file cannot be the mirrored file\n",
9583 fd = open(fname, O_DIRECT | O_WRONLY);
9585 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9586 progname, argv[0], fname, strerror(errno));
9590 /* verify mirror id */
9591 rc = verify_mirror_id_by_fd(fd, mirror_id);
9594 "%s %s: cannot find mirror with ID %u in '%s'\n",
9595 progname, argv[0], mirror_id, fname);
9599 /* open input file */
9601 inputfd = open(inputfile, O_RDONLY, 0644);
9603 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9604 progname, argv[0], inputfile, strerror(errno));
9609 inputfd = STDIN_FILENO;
9612 /* allocate buffer */
9613 rc = posix_memalign(&buf, page_size, buflen);
9615 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9616 progname, argv[0], rc);
9620 /* prepare target mirror components instantiation */
9621 ioc.lil_mode = LL_LEASE_WRLCK;
9622 ioc.lil_flags = LL_LEASE_RESYNC;
9623 ioc.lil_mirror_id = mirror_id;
9624 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9627 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9628 progname, argv[0], fname, strerror(errno));
9638 rc = llapi_lease_check(fd);
9639 if (rc != LL_LEASE_WRLCK) {
9640 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9641 progname, argv[0], fname);
9645 bytes_read = read(inputfd, buf, buflen);
9646 if (bytes_read < 0) {
9649 "%s %s: fail to read data from '%s': %s\n",
9650 progname, argv[0], inputfile ? : "STDIN",
9657 if (bytes_read == 0)
9660 /* round up to page align to make direct IO happy. */
9661 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9663 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9668 "%s %s: fail to write to mirror %u: %s\n",
9669 progname, argv[0], mirror_id,
9677 if (pos & (page_size - 1)) {
9678 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9683 ioc.lil_mode = LL_LEASE_UNLCK;
9684 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9686 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9691 "%s %s: release lease lock of '%s' failed: %s\n",
9692 progname, argv[0], fname, strerror(errno));
9709 struct collect_ids_data {
9715 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
9717 struct collect_ids_data *cid = cbdata;
9721 rc = llapi_layout_mirror_id_get(layout, &id);
9725 if ((__u16)id != cid->cid_exclude) {
9728 for (i = 0; i < cid->cid_count; i++) {
9729 /* already collected the mirror id */
9730 if (id == cid->cid_ids[i])
9731 return LLAPI_LAYOUT_ITER_CONT;
9733 cid->cid_ids[cid->cid_count] = id;
9737 return LLAPI_LAYOUT_ITER_CONT;
9740 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9742 struct llapi_layout *layout;
9743 struct collect_ids_data cid = { .cid_ids = ids,
9745 .cid_exclude = exclude_id, };
9748 layout = llapi_layout_get_by_fd(fd, 0);
9749 if (layout == NULL) {
9750 fprintf(stderr, "could not get layout\n");
9754 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9756 fprintf(stderr, "failed to iterate layout\n");
9757 llapi_layout_free(layout);
9761 llapi_layout_free(layout);
9763 return cid.cid_count;
9766 static inline int lfs_mirror_copy(int argc, char **argv)
9769 __u16 read_mirror_id = 0;
9770 __u16 ids[128] = { 0 };
9772 struct llapi_layout *layout = NULL;
9773 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9780 struct ll_ioc_lease *ioc = NULL;
9781 struct ll_ioc_lease_id *resync_ioc;
9783 struct option long_opts[] = {
9784 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9785 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9788 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9793 read_mirror_id = strtoul(optarg, &end, 0);
9794 if (*end != '\0' || read_mirror_id == 0) {
9796 "%s %s: invalid read mirror ID '%s'\n",
9797 progname, argv[0], optarg);
9802 if (!strcmp(optarg, "-1")) {
9803 /* specify all other mirrors */
9807 count = parse_mirror_ids((__u16 *)ids,
9815 fprintf(stderr, "%s: option '%s' unrecognized\n",
9816 progname, argv[optind - 1]);
9821 if (argc == optind) {
9822 fprintf(stderr, "%s %s: no mirrored file provided\n",
9825 } else if (argc > optind + 1) {
9826 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9830 if (read_mirror_id == 0) {
9832 "%s %s: no valid read mirror ID %d is provided\n",
9833 progname, argv[0], read_mirror_id);
9839 "%s %s: no write mirror ID is provided\n",
9844 for (i = 0; i < count; i++) {
9845 if (read_mirror_id == ids[i]) {
9847 "%s %s: read and write mirror ID cannot be the same\n",
9853 /* open mirror file */
9854 fname = argv[optind];
9856 fd = open(fname, O_DIRECT | O_RDWR);
9858 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9859 progname, argv[0], fname, strerror(errno));
9863 /* write to all other mirrors */
9864 if (ids[0] == (__u16)-1) {
9865 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9869 "%s %s: failed to get other mirror ids in '%s': %d\n",
9870 progname, argv[0], fname, rc);
9875 /* verify mirror id */
9876 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9879 "%s %s: cannot find mirror with ID %u in '%s'\n",
9880 progname, argv[0], read_mirror_id, fname);
9884 for (i = 0; i < count; i++) {
9885 rc = verify_mirror_id_by_fd(fd, ids[i]);
9888 "%s %s: cannot find mirror with ID %u in '%s'\n",
9889 progname, argv[0], ids[i], fname);
9894 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9897 "%s %s: cannot alloc comp id array for ioc: %s\n",
9898 progname, argv[0], strerror(errno));
9903 /* get stale component info */
9904 layout = llapi_layout_get_by_fd(fd, 0);
9905 if (layout == NULL) {
9906 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
9907 progname, argv[0], fname, strerror(errno));
9911 comp_size = llapi_mirror_find_stale(layout, comp_array,
9912 ARRAY_SIZE(comp_array),
9914 llapi_layout_free(layout);
9915 if (comp_size < 0) {
9920 /* prepare target mirror components instantiation */
9921 resync_ioc = (struct ll_ioc_lease_id *)ioc;
9922 resync_ioc->lil_mode = LL_LEASE_WRLCK;
9923 resync_ioc->lil_flags = LL_LEASE_RESYNC;
9925 resync_ioc->lil_mirror_id = ids[0];
9927 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
9928 rc = llapi_lease_set(fd, ioc);
9931 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9932 progname, argv[0], fname, strerror(errno));
9936 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
9939 fprintf(stderr, "%s %s: copy error: %d\n",
9940 progname, argv[0], rc);
9944 fprintf(stdout, "mirror copied successfully: ");
9945 for (i = 0; i < copied; i++)
9946 fprintf(stdout, "%d ", ids[i]);
9947 fprintf(stdout, "\n");
9949 ioc->lil_mode = LL_LEASE_UNLCK;
9950 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9952 for (i = 0; i < comp_size; i++) {
9955 for (j = 0; j < copied; j++) {
9956 if (comp_array[i].lrc_mirror_id != ids[j])
9959 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
9963 rc = llapi_lease_set(fd, ioc);
9968 "%s %s: release lease lock of '%s' failed: %s\n",
9969 progname, argv[0], fname, strerror(errno));
9983 * struct verify_chunk - Mirror chunk to be verified.
9984 * @chunk: [start, end) of the chunk.
9985 * @mirror_count: Number of mirror ids in @mirror_id array.
9986 * @mirror_id: Array of valid mirror ids that cover the chunk.
9988 struct verify_chunk {
9989 struct lu_extent chunk;
9990 unsigned int mirror_count;
9991 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
9995 * print_chunks() - Print chunk information.
9996 * @fname: Mirrored file name.
9997 * @chunks: Array of chunks.
9998 * @chunk_count: Number of chunks in @chunks array.
10000 * This function prints [start, end) of each chunk in @chunks
10001 * for mirrored file @fname, and also prints the valid mirror ids
10002 * that cover the chunk.
10007 void print_chunks(const char *fname, struct verify_chunk *chunks,
10013 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10014 for (i = 0; i < chunk_count; i++) {
10015 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10017 if (chunks[i].mirror_count == 0)
10018 fprintf(stdout, "\t[");
10020 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10021 for (j = 1; j < chunks[i].mirror_count; j++)
10022 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10024 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10026 fprintf(stdout, "\n");
10030 * print_checksums() - Print CRC-32 checksum values.
10031 * @chunk: A chunk and its corresponding valid mirror ids.
10032 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10034 * This function prints CRC-32 checksum values on @chunk for
10035 * each valid mirror that covers it.
10040 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10045 "CRC-32 checksum value for chunk "DEXT":\n",
10046 PEXT(&chunk->chunk));
10047 for (i = 0; i < chunk->mirror_count; i++)
10048 fprintf(stdout, "Mirror %u:\t%#lx\n",
10049 chunk->mirror_id[i], crc[i]);
10050 fprintf(stdout, "\n");
10054 * filter_mirror_id() - Filter specified mirror ids.
10055 * @chunks: Array of chunks.
10056 * @chunk_count: Number of chunks in @chunks array.
10057 * @mirror_ids: Specified mirror ids to be verified.
10058 * @ids_nr: Number of specified mirror ids.
10060 * This function scans valid mirror ids that cover each chunk in @chunks
10061 * and filters specified mirror ids.
10066 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10067 __u16 *mirror_ids, int ids_nr)
10072 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10073 unsigned int valid_count = 0;
10075 for (i = 0; i < chunk_count; i++) {
10076 if (chunks[i].mirror_count == 0)
10080 for (j = 0; j < ids_nr; j++) {
10081 for (k = 0; k < chunks[i].mirror_count; k++) {
10082 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10083 valid_id[valid_count] = mirror_ids[j];
10090 memcpy(chunks[i].mirror_id, valid_id,
10091 sizeof(__u16) * valid_count);
10092 chunks[i].mirror_count = valid_count;
10097 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10098 * @layout: Mirror component list.
10099 * @chunks: Array of chunks.
10100 * @chunks_size: Array size of @chunks.
10102 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10103 * to find out chunk segments and store them in @chunks array.
10105 * The @mirror_id array in each element of @chunks will store the valid
10106 * mirror ids that cover the chunk. If a mirror component covering the
10107 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10108 * will not be stored into the @mirror_id array, and the chunk for that
10109 * mirror will not be verified.
10111 * The @mirror_count in each element of @chunks will store the number of
10112 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10113 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10114 * indicates the chunk is valid in only one mirror. In both cases, the
10115 * chunk will not be verified.
10117 * Here is an example:
10119 * 0 1M 2M 3M 4M EOF
10120 * +------+-------------+--------------------+
10121 * | | | S | mirror1
10122 * +------+------+------+------+-------------+
10123 * | | S | S | | mirror2
10124 * +-------------+------+------+-------------+
10126 * prepared @chunks array will contain 5 elements:
10127 * (([0, 1M), [1, 2], 2),
10128 * ([1M, 2M), [1, 2], 2),
10129 * ([2M, 3M), [1], 1),
10130 * ([3M, 4M], [], 0),
10131 * ([4M, EOF), [2], 1))
10133 * Return: the actual array size of @chunks on success
10134 * or a negative error code on failure.
10137 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10138 struct verify_chunk *chunks,
10139 size_t chunks_size)
10143 uint32_t mirror_id;
10149 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10152 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10155 "%s: move to the first layout component: %s.\n",
10156 progname, strerror(errno));
10162 chunks[idx].chunk.e_end = LUSTRE_EOF;
10164 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10167 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10168 progname, strerror(errno));
10172 if (start > chunks[idx].chunk.e_start ||
10173 end <= chunks[idx].chunk.e_start)
10176 if (end < chunks[idx].chunk.e_end)
10177 chunks[idx].chunk.e_end = end;
10179 rc = llapi_layout_comp_flags_get(layout, &flags);
10182 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10183 progname, strerror(errno));
10187 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10190 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10193 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10194 progname, strerror(errno));
10198 chunks[idx].mirror_id[i] = mirror_id;
10200 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10202 "%s: mirror_id array is too small.\n",
10209 rc = llapi_layout_comp_use(layout,
10210 LLAPI_LAYOUT_COMP_USE_NEXT);
10213 "%s: move to the next layout component: %s.\n",
10214 progname, strerror(errno));
10217 } /* loop through all components */
10219 chunks[idx].mirror_count = i;
10221 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10225 if (idx >= chunks_size) {
10226 fprintf(stderr, "%s: chunks array is too small.\n",
10232 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10236 return rc < 0 ? rc : idx + 1;
10240 * lfs_mirror_verify_chunk() - Verify a chunk.
10241 * @fd: File descriptor of the mirrored file.
10242 * @file_size: Size of the mirrored file.
10243 * @chunk: A chunk and its corresponding valid mirror ids.
10244 * @verbose: Verbose mode.
10246 * This function verifies a @chunk contains exactly the same data
10247 * ammong the mirrors that cover it.
10249 * If @verbose is specified, then the function will print where the
10250 * differences are if the data do not match. Otherwise, it will
10251 * just return an error in that case.
10253 * Return: 0 on success or a negative error code on failure.
10256 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10257 struct verify_chunk *chunk, int verbose)
10259 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10261 size_t page_size = sysconf(_SC_PAGESIZE);
10262 ssize_t bytes_read;
10263 ssize_t bytes_done;
10267 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10271 if (file_size == 0)
10274 rc = posix_memalign(&buf, page_size, buflen);
10275 if (rc) /* error code is returned directly */
10279 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10280 PEXT(&chunk->chunk));
10281 for (i = 0; i < chunk->mirror_count; i++)
10282 fprintf(stdout, " %u", chunk->mirror_id[i]);
10283 fprintf(stdout, "\n");
10287 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10288 pos = chunk->chunk.e_start;
10289 while (bytes_done < count) {
10290 /* compute initial CRC-32 checksum */
10291 crc = crc32(0L, Z_NULL, 0);
10292 memset(crc_array, 0, sizeof(crc_array));
10295 for (i = 0; i < chunk->mirror_count; i++) {
10296 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10298 if (bytes_read < 0) {
10301 "%s: failed to read data from mirror %u: %s.\n",
10302 progname, chunk->mirror_id[i],
10307 /* compute new CRC-32 checksum */
10308 crc_array[i] = crc32(crc, buf, bytes_read);
10312 print_checksums(chunk, crc_array);
10314 /* compare CRC-32 checksum values */
10315 for (i = 1; i < chunk->mirror_count; i++) {
10316 if (crc_array[i] != crc_array[0]) {
10320 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10321 progname, PEXT(&chunk->chunk),
10322 chunk->mirror_id[0],
10323 chunk->mirror_id[i]);
10328 bytes_done += bytes_read;
10331 if (verbose > 1 && rc == 0) {
10332 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10333 PEXT(&chunk->chunk));
10334 for (i = 0; i < chunk->mirror_count; i++)
10335 fprintf(stdout, " %u", chunk->mirror_id[i]);
10336 fprintf(stdout, " PASS\n\n");
10345 * lfs_mirror_verify_file() - Verify a mirrored file.
10346 * @fname: Mirrored file name.
10347 * @mirror_ids: Specified mirror ids to be verified.
10348 * @ids_nr: Number of specified mirror ids.
10349 * @verbose: Verbose mode.
10351 * This function verifies that each SYNC mirror of a mirrored file
10352 * specified by @fname contains exactly the same data.
10354 * If @mirror_ids is specified, then the function will verify the
10355 * mirrors specified by @mirror_ids contain exactly the same data.
10357 * If @verbose is specified, then the function will print where the
10358 * differences are if the data do not match. Otherwise, it will
10359 * just return an error in that case.
10361 * Return: 0 on success or a negative error code on failure.
10364 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10367 struct verify_chunk chunks_array[1024] = { };
10368 struct llapi_layout *layout = NULL;
10370 uint32_t flr_state;
10372 int chunk_count = 0;
10378 if (stat(fname, &stbuf) < 0) {
10379 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10380 progname, fname, strerror(errno));
10385 if (!S_ISREG(stbuf.st_mode)) {
10386 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10392 if (stbuf.st_size == 0) {
10394 fprintf(stdout, "%s: '%s' file size is 0.\n",
10400 fd = open(fname, O_DIRECT | O_RDONLY);
10402 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10403 progname, fname, strerror(errno));
10408 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10410 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10411 progname, fname, strerror(errno));
10415 layout = llapi_layout_get_by_fd(fd, 0);
10416 if (layout == NULL) {
10417 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10418 progname, fname, strerror(errno));
10420 llapi_lease_release(fd);
10424 rc = llapi_layout_flags_get(layout, &flr_state);
10426 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10427 progname, fname, strerror(errno));
10432 flr_state &= LCM_FL_FLR_MASK;
10433 switch (flr_state) {
10436 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10437 progname, fname, llapi_layout_flags_string(flr_state));
10443 /* find out mirror chunks to be verified */
10444 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10445 ARRAY_SIZE(chunks_array));
10446 if (chunk_count < 0) {
10452 /* filter specified mirror ids */
10453 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10456 print_chunks(fname, chunks_array, chunk_count);
10458 for (idx = 0; idx < chunk_count; idx++) {
10459 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10462 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10464 PEXT(&chunks_array[idx].chunk),
10465 (unsigned long long)stbuf.st_size);
10469 if (chunks_array[idx].mirror_count == 0) {
10471 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10473 PEXT(&chunks_array[idx].chunk));
10475 fprintf(stderr, "skipped\n");
10479 fprintf(stderr, "failed\n");
10483 if (chunks_array[idx].mirror_count == 1) {
10486 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10488 PEXT(&chunks_array[idx].chunk),
10489 chunks_array[idx].mirror_id[0]);
10493 rc = llapi_lease_check(fd);
10494 if (rc != LL_LEASE_RDLCK) {
10495 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10500 /* verify one chunk */
10501 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10502 &chunks_array[idx], verbose);
10516 llapi_layout_free(layout);
10517 llapi_lease_release(fd);
10525 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10526 * @argc: The count of lfs mirror verify command line arguments.
10527 * @argv: Array of strings for lfs mirror verify command line arguments.
10529 * This function parses lfs mirror verify command and verifies the
10530 * specified mirrored file(s).
10532 * Return: 0 on success or a negative error code on failure.
10534 static inline int lfs_mirror_verify(int argc, char **argv)
10536 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10542 char cmd[PATH_MAX];
10544 struct option long_opts[] = {
10545 { .val = 'o', .name = "only", .has_arg = required_argument },
10546 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10547 { .name = NULL } };
10549 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10551 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10554 rc = parse_mirror_ids(mirror_ids,
10555 ARRAY_SIZE(mirror_ids),
10559 "%s: bad mirror ids '%s'.\n",
10566 "%s: at least 2 mirror ids needed with '--only' option.\n",
10576 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10577 progname, argv[optind - 1]);
10583 if (argc == optind) {
10584 fprintf(stderr, "%s: no file name given.\n", progname);
10589 if (ids_nr > 0 && argc > optind + 1) {
10591 "%s: '--only' cannot be used upon multiple files.\n",
10599 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10605 for (; optind < argc; optind++) {
10606 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10616 * lfs_mirror() - Parse and execute lfs mirror commands.
10617 * @argc: The count of lfs mirror command line arguments.
10618 * @argv: Array of strings for lfs mirror command line arguments.
10620 * This function parses lfs mirror commands and performs the
10621 * corresponding functions specified in mirror_cmdlist[].
10623 * Return: 0 on success or an error code on failure.
10625 static int lfs_mirror(int argc, char **argv)
10627 char cmd[PATH_MAX];
10630 setlinebuf(stdout);
10632 Parser_init("lfs-mirror > ", mirror_cmdlist);
10634 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10636 program_invocation_short_name = cmd;
10638 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10640 rc = Parser_commands();
10642 return rc < 0 ? -rc : rc;
10645 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10647 #if __BYTE_ORDER == __BIG_ENDIAN
10648 __swab16s(&attrs->lsa_valid);
10649 __swab64s(&attrs->lsa_size);
10650 __swab64s(&attrs->lsa_blocks);
10654 enum lfs_som_type {
10655 LFS_SOM_SIZE = 0x1,
10656 LFS_SOM_BLOCKS = 0x2,
10657 LFS_SOM_FLAGS = 0x4,
10658 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10662 static int lfs_getsom(int argc, char **argv)
10665 struct lustre_som_attrs *attrs;
10666 char buf[sizeof(*attrs) + 64];
10667 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10670 while ((c = getopt(argc, argv, "sbf")) != -1) {
10673 type = LFS_SOM_SIZE;
10676 type = LFS_SOM_BLOCKS;
10679 type = LFS_SOM_FLAGS;
10682 fprintf(stderr, "%s: invalid option '%c'\n",
10692 fprintf(stderr, "%s: %s\n",
10693 progname, argc == 0 ? "miss file target" :
10694 "input more than 2 files");
10699 attrs = (void *)buf;
10700 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10703 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10704 argv[0], strerror(errno), errno);
10708 lustre_som_swab(attrs);
10711 case LFS_SOM_ATTR_ALL:
10712 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10713 path, (unsigned long long)attrs->lsa_size,
10714 (unsigned long long)attrs->lsa_blocks,
10718 printf("%llu\n", (unsigned long long)attrs->lsa_size);
10720 case LFS_SOM_BLOCKS:
10721 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
10723 case LFS_SOM_FLAGS:
10724 printf("%x\n", attrs->lsa_valid);
10727 fprintf(stderr, "%s: unknown option\n", progname);
10735 * lfs_mirror_list_commands() - List lfs mirror commands.
10736 * @argc: The count of command line arguments.
10737 * @argv: Array of strings for command line arguments.
10739 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10741 * Return: 0 on success.
10743 static int lfs_mirror_list_commands(int argc, char **argv)
10745 char buffer[81] = "";
10747 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10753 static int lfs_pcc_attach(int argc, char **argv)
10755 struct option long_opts[] = {
10756 { .val = 'i', .name = "id", .has_arg = required_argument },
10757 { .name = NULL } };
10760 __u32 archive_id = 0;
10763 char fullpath[PATH_MAX];
10764 enum lu_pcc_type type = LU_PCC_READWRITE;
10767 while ((c = getopt_long(argc, argv, "i:",
10768 long_opts, NULL)) != -1) {
10771 archive_id = strtoul(optarg, &end, 0);
10772 if (*end != '\0' || archive_id == 0) {
10773 fprintf(stderr, "error: %s: bad archive ID "
10774 "'%s'\n", argv[0], optarg);
10781 fprintf(stderr, "%s: option '%s' unrecognized\n",
10782 argv[0], argv[optind - 1]);
10787 if (argc <= optind) {
10788 fprintf(stderr, "%s: must specify one or more file names\n",
10793 while (optind < argc) {
10796 path = argv[optind++];
10797 if (realpath(path, fullpath) == NULL) {
10798 fprintf(stderr, "%s: could not find path '%s': %s\n",
10799 argv[0], path, strerror(errno));
10805 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
10807 fprintf(stderr, "%s: cannot attach '%s' to PCC "
10808 "with archive ID '%u': %s\n", argv[0],
10809 path, archive_id, strerror(-rc2));
10817 static int lfs_pcc_attach_fid(int argc, char **argv)
10819 struct option long_opts[] = {
10820 { .val = 'i', .name = "id", .has_arg = required_argument },
10821 { .val = 'm', .name = "mnt", .has_arg = required_argument },
10822 { .name = NULL } };
10823 char short_opts[] = "i:m:";
10826 __u32 archive_id = 0;
10828 const char *mntpath = NULL;
10829 const char *fidstr;
10830 enum lu_pcc_type type = LU_PCC_READWRITE;
10833 while ((c = getopt_long(argc, argv, short_opts,
10834 long_opts, NULL)) != -1) {
10837 archive_id = strtoul(optarg, &end, 0);
10838 if (*end != '\0') {
10839 fprintf(stderr, "error: %s: bad archive ID "
10840 "'%s'\n", argv[0], optarg);
10850 fprintf(stderr, "%s: option '%s' unrecognized\n",
10851 argv[0], argv[optind - 1]);
10856 if (archive_id == 0) {
10857 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
10861 if (mntpath == NULL) {
10862 fprintf(stderr, "%s: must specify Lustre mount point\n",
10867 if (argc <= optind) {
10868 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
10872 while (optind < argc) {
10875 fidstr = argv[optind++];
10877 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
10880 fprintf(stderr, "%s: cannot attach '%s' on '%s' to PCC "
10881 "with archive ID '%u': %s\n", argv[0],
10882 fidstr, mntpath, archive_id, strerror(rc2));
10884 if (rc == 0 && rc2 < 0)
10890 static int lfs_pcc_detach(int argc, char **argv)
10892 struct option long_opts[] = {
10893 { .val = 'k', .name = "keep", .has_arg = no_argument },
10894 { .name = NULL } };
10895 char short_opts[] = "k";
10899 char fullpath[PATH_MAX];
10900 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
10903 while ((c = getopt_long(argc, argv, short_opts,
10904 long_opts, NULL)) != -1) {
10907 detach_opt = PCC_DETACH_OPT_NONE;
10912 fprintf(stderr, "%s: option '%s' unrecognized\n",
10913 argv[0], argv[optind - 1]);
10918 while (optind < argc) {
10921 path = argv[optind++];
10922 if (realpath(path, fullpath) == NULL) {
10923 fprintf(stderr, "%s: could not find path '%s': %s\n",
10924 argv[0], path, strerror(errno));
10930 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
10933 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
10934 "%s\n", argv[0], path, strerror(errno));
10942 static int lfs_pcc_detach_fid(int argc, char **argv)
10944 struct option long_opts[] = {
10945 { .val = 'k', .name = "keep", .has_arg = no_argument },
10946 { .name = NULL } };
10947 char short_opts[] = "k";
10951 const char *mntpath;
10952 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
10955 while ((c = getopt_long(argc, argv, short_opts,
10956 long_opts, NULL)) != -1) {
10959 detach_opt = PCC_DETACH_OPT_NONE;
10964 fprintf(stderr, "%s: option '%s' unrecognized\n",
10965 argv[0], argv[optind - 1]);
10970 mntpath = argv[optind++];
10972 while (optind < argc) {
10975 fid = argv[optind++];
10977 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
10979 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
10980 "from PCC: %s\n", argv[0], fid, mntpath,
10989 static int lfs_pcc_state(int argc, char **argv)
10993 char fullpath[PATH_MAX];
10994 struct lu_pcc_state state;
10999 fprintf(stderr, "%s: must specify one or more file names\n",
11004 while (optind < argc) {
11007 path = argv[optind++];
11008 if (realpath(path, fullpath) == NULL) {
11009 fprintf(stderr, "%s: could not find path '%s': %s\n",
11010 argv[0], path, strerror(errno));
11016 rc2 = llapi_pcc_state_get(fullpath, &state);
11020 fprintf(stderr, "%s: cannot get PCC state of '%s': "
11021 "%s\n", argv[0], path, strerror(-rc2));
11025 printf("file: %s", path);
11026 printf(", type: %s", pcc_type2string(state.pccs_type));
11027 if (state.pccs_type == LU_PCC_NONE &&
11028 state.pccs_open_count == 0) {
11033 printf(", PCC file: %s", state.pccs_path);
11034 printf(", user number: %u", state.pccs_open_count);
11035 printf(", flags: %x", state.pccs_flags);
11042 * lfs_pcc_list_commands() - List lfs pcc commands.
11043 * @argc: The count of command line arguments.
11044 * @argv: Array of strings for command line arguments.
11046 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11048 * Return: 0 on success.
11050 static int lfs_pcc_list_commands(int argc, char **argv)
11052 char buffer[81] = "";
11054 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11061 * lfs_pcc() - Parse and execute lfs pcc commands.
11062 * @argc: The count of lfs pcc command line arguments.
11063 * @argv: Array of strings for lfs pcc command line arguments.
11065 * This function parses lfs pcc commands and performs the
11066 * corresponding functions specified in pcc_cmdlist[].
11068 * Return: 0 on success or an error code on failure.
11070 static int lfs_pcc(int argc, char **argv)
11072 char cmd[PATH_MAX];
11075 setlinebuf(stdout);
11077 Parser_init("lfs-pcc > ", pcc_cmdlist);
11079 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11081 program_invocation_short_name = cmd;
11083 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11085 rc = Parser_commands();
11087 return rc < 0 ? -rc : rc;
11090 static int lfs_list_commands(int argc, char **argv)
11092 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11094 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11099 int main(int argc, char **argv)
11103 /* Ensure that liblustreapi constructor has run */
11104 if (!llapi_liblustreapi_initialized())
11105 fprintf(stderr, "liblustreapi was not properly initialized\n");
11107 setlinebuf(stdout);
11110 Parser_init("lfs > ", cmdlist);
11112 progname = program_invocation_short_name; /* Used in error messages */
11114 llapi_set_command_name(argv[1]);
11115 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11116 llapi_clear_command_name();
11118 rc = Parser_commands();
11121 return rc < 0 ? -rc : rc;
11124 #ifdef _LUSTRE_IDL_H_
11125 /* Everything we need here should be included by lustreapi.h. */
11126 # error "lfs should not depend on lustre_idl.h"
11127 #endif /* _LUSTRE_IDL_H_ */