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_data_version(int argc, char **argv);
107 static int lfs_hsm_state(int argc, char **argv);
108 static int lfs_hsm_set(int argc, char **argv);
109 static int lfs_hsm_clear(int argc, char **argv);
110 static int lfs_hsm_action(int argc, char **argv);
111 static int lfs_hsm_archive(int argc, char **argv);
112 static int lfs_hsm_restore(int argc, char **argv);
113 static int lfs_hsm_release(int argc, char **argv);
114 static int lfs_hsm_remove(int argc, char **argv);
115 static int lfs_hsm_cancel(int argc, char **argv);
116 static int lfs_swap_layouts(int argc, char **argv);
117 static int lfs_mv(int argc, char **argv);
118 static int lfs_ladvise(int argc, char **argv);
119 static int lfs_getsom(int argc, char **argv);
120 static int lfs_heat_get(int argc, char **argv);
121 static int lfs_heat_set(int argc, char **argv);
122 static int lfs_mirror(int argc, char **argv);
123 static int lfs_mirror_list_commands(int argc, char **argv);
124 static int lfs_list_commands(int argc, char **argv);
125 static inline int lfs_mirror_resync(int argc, char **argv);
126 static inline int lfs_mirror_verify(int argc, char **argv);
127 static inline int lfs_mirror_read(int argc, char **argv);
128 static inline int lfs_mirror_write(int argc, char **argv);
129 static inline int lfs_mirror_copy(int argc, char **argv);
130 static int lfs_pcc_attach(int argc, char **argv);
131 static int lfs_pcc_detach(int argc, char **argv);
132 static int lfs_pcc_detach_fid(int argc, char **argv);
133 static int lfs_pcc_state(int argc, char **argv);
134 static int lfs_pcc(int argc, char **argv);
135 static int lfs_pcc_list_commands(int argc, char **argv);
137 enum setstripe_origin {
145 static int lfs_setstripe_internal(int argc, char **argv,
146 enum setstripe_origin opc);
148 static inline int lfs_setstripe(int argc, char **argv)
150 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
152 static inline int lfs_setstripe_migrate(int argc, char **argv)
154 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
156 static inline int lfs_mirror_create(int argc, char **argv)
158 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
160 static inline int lfs_mirror_extend(int argc, char **argv)
162 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
164 static inline int lfs_mirror_split(int argc, char **argv)
166 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
169 /* Setstripe and migrate share mostly the same parameters */
170 #define SSM_CMD_COMMON(cmd) \
171 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
172 " [--stripe-count|-c <stripe_count>]\n" \
173 " [--overstripe-count|-C <stripe_count>]\n" \
174 " [--stripe-index|-i <start_ost_idx>]\n" \
175 " [--stripe-size|-S <stripe_size>]\n" \
176 " [--layout|-L <pattern>]\n" \
177 " [--pool|-p <pool_name>]\n" \
178 " [--ost|-o <ost_indices>]\n" \
179 " [--yaml|-y <yaml_template_file>]\n" \
180 " [--copy=<lustre_src>]\n"
182 #define SSM_HELP_COMMON \
183 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
184 "\t Using -C instead of -c allows overstriping, which\n" \
185 "\t will place more than one stripe per OST if\n" \
186 "\t stripe_count is greater than the number of OSTs\n" \
187 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
188 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
189 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
190 "\t respectively)\n" \
191 "\tpool_name: Name of OST pool to use (default none)\n" \
192 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
193 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
194 "\t Indices be specified in a format of:\n" \
195 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
197 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
198 "\t If --pool is set with --ost, then the OSTs\n" \
199 "\t must be the members of the pool.\n" \
200 "\tcomp_end: Extent end of component, start after previous end.\n"\
201 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
202 "\t respectively, -1 for EOF). Must be a multiple of\n"\
203 "\t stripe_size.\n" \
204 "\tyaml_template_file:\n" \
205 "\t YAML layout template file, can't be used with -c,\n" \
206 "\t -i, -S, -p, -o, or -E arguments.\n" \
207 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
208 "\t another lustre file or directory, can't used with\n" \
209 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
211 #define MIRROR_CREATE_HELP \
212 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
213 "\t setstripe layout options\n" \
214 "\t It defaults to 1 if not specified; if specified,\n" \
215 "\t it must follow the option without a space.\n" \
216 "\t The option can also be repeated multiple times to\n" \
217 "\t separate mirrors that have different layouts.\n" \
218 "\tsetstripe options: Mirror layout\n" \
219 "\t It can be a plain layout or a composite layout.\n" \
220 "\t If not specified, the stripe options inherited\n" \
221 "\t from the previous component will be used.\n" \
222 "\tflags: set flags to the component of the current mirror.\n" \
223 "\t Only \"prefer\" flag is supported so far.\n"
225 #define MIRROR_EXTEND_HELP \
227 "\tvictim_file: The layout of victim_file will be split and used\n" \
228 "\t as a mirror added to the mirrored file.\n" \
229 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
230 "\t from victim file(s) in case the victim file(s)\n" \
231 "\t contains the same data as the original mirrored\n" \
234 #define MIRROR_EXTEND_USAGE \
235 " <--mirror-count|-N[mirror_count]>\n" \
236 " [setstripe options|-f <victim_file>]\n" \
239 #define SETSTRIPE_USAGE \
240 SSM_CMD_COMMON("setstripe") \
241 MIRROR_EXTEND_USAGE \
242 " <directory|filename>\n" \
246 #define MIGRATE_USAGE \
247 SSM_CMD_COMMON("migrate ") \
248 " [--block|-b] [--non-block|-n]\n" \
249 " [--non-direct|-D] [--verbose|-v]\n" \
253 "\tblock: Block file access during data migration (default)\n" \
254 "\tnon-block: Abort migrations if concurrent access is detected\n" \
255 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
256 "\tverbose: Print each filename as it is migrated\n" \
258 #define SETDIRSTRIPE_USAGE \
259 " [--mdt-count|-c stripe_count>\n" \
260 " [--mdt-hash|-H mdt_hash]\n" \
261 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
262 " [--default|-D] [--mode|-o mode] <dir>\n" \
263 "\tstripe_count: stripe count of the striped directory\n" \
264 "\tmdt_index: MDT index of first stripe\n" \
265 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
266 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
267 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
268 " space create subdirectories with balanced space usage\n" \
269 "\tdefault_stripe: set default dirstripe of the directory\n" \
270 "\tmode: the file access permission of the directory (octal)\n" \
271 "To create dir with a foreign (free format) layout :\n" \
272 "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
273 "[--mode|-m mode] [--flags <hex>] <dir>\n" \
274 "\tmode: the mode of the directory\n" \
275 "\tforeign_type: none or daos\n"
278 * command_t mirror_cmdlist - lfs mirror commands.
280 command_t mirror_cmdlist[] = {
281 { .pc_name = "create", .pc_func = lfs_mirror_create,
282 .pc_help = "Create a mirrored file.\n"
283 "usage: lfs mirror create "
284 "<--mirror-count|-N[mirror_count]> "
285 "[setstripe options] ... <filename|directory>\n"
286 MIRROR_CREATE_HELP },
287 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
288 .pc_help = "Extend a mirrored file.\n"
289 "usage: lfs mirror extend "
290 "<--mirror-count|-N[mirror_count]> [--no-verify] "
291 "[setstripe options|-f <victim_file>] ... <filename>\n"
292 MIRROR_EXTEND_HELP },
293 { .pc_name = "split", .pc_func = lfs_mirror_split,
294 .pc_help = "Split a mirrored file.\n"
295 "usage: lfs mirror split <--mirror-id <mirror_id> | \n"
296 "\t <--component-id|-I <comp_id>> [--destroy|-d] \n"
297 "\t [-f <new_file>] <mirrored file>\n"
298 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
299 "\t can be fetched by lfs getstripe command.\n"
300 "\tcomp_id: Unique component ID within a mirror.\n"
301 "\tnew_file: This option indicates the layout of the split\n"
302 "\t mirror will be stored into. If not specified,\n"
303 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
304 "\t will be used.\n" },
305 { .pc_name = "read", .pc_func = lfs_mirror_read,
306 .pc_help = "Read the content of a specified mirror of a file.\n"
307 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
308 "[--outfile|-o <output_file>] <mirrored_file>\n" },
309 { .pc_name = "write", .pc_func = lfs_mirror_write,
310 .pc_help = "Write to a specified mirror of a file.\n"
311 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
312 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
313 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
314 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
315 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
316 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
317 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
318 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
319 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
320 "<mirrored file> [<mirrored file2>...]\n"},
321 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
322 .pc_help = "Verify mirrored file(s).\n"
323 "usage: lfs mirror verify "
324 "[--only <mirror_id,mirror_id2[,...]>] "
325 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
326 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
327 .pc_help = "list commands supported by lfs mirror"},
328 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
329 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
330 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
335 * command_t pcc_cmdlist - lfs pcc commands.
337 command_t pcc_cmdlist[] = {
338 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
339 .pc_help = "Attach given files to the Persistent Client Cache.\n"
340 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
341 "\t-i: archive id for RW-PCC\n" },
342 { .pc_name = "state", .pc_func = lfs_pcc_state,
343 .pc_help = "Display the PCC state for given files.\n"
344 "usage: lfs pcc state <file> ...\n" },
345 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
346 .pc_help = "Detach given files from the Persistent Client Cache.\n"
347 "usage: lfs pcc detach <file> ...\n" },
348 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
349 .pc_help = "Detach given files from PCC by FID(s).\n"
350 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
351 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
352 .pc_help = "list commands supported by lfs pcc"},
353 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
354 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
355 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
359 /* all available commands */
360 command_t cmdlist[] = {
361 {"setstripe", lfs_setstripe, 0,
362 "To create a file with specified striping/composite layout, or\n"
363 "create/replace the default layout on an existing directory:\n"
364 SSM_CMD_COMMON("setstripe")
366 " <directory|filename>\n"
368 "To add component(s) to an existing composite file:\n"
369 SSM_CMD_COMMON("setstripe --component-add")
371 "To totally delete the default striping from an existing directory:\n"
372 "usage: setstripe -d <directory>\n"
374 "To create a mirrored file or set s default mirror layout on a directory:\n"
375 "usage: setstripe -N[mirror_count] [STRIPE_OPTIONS] <directory|filename>\n"
377 "To delete the last component(s) from an existing composite file\n"
378 "(note that this will also delete any data in those components):\n"
379 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
380 " [--component-flags|-F <comp_flags>]\n"
382 "\tcomp_id: Unique component ID to delete\n"
383 "\tcomp_flags: 'init' indicating all instantiated components\n"
384 "\t '^init' indicating all uninstantiated components\n"
385 "\t-I and -F cannot be specified at the same time\n"
386 "To create a file with a foreign (free format) layout:\n"
387 "usage: setstripe --foreign[=<foreign_type>]\n"
388 " --xattr|-x <layout_string> [--flags <hex>]\n"
389 " [--mode <mode>] <filename>\n"},
390 {"getstripe", lfs_getstripe, 0,
391 "To list the layout pattern for a given file or files in a\n"
392 "directory or recursively for all files in a directory tree.\n"
393 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
394 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
395 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
396 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
397 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
398 " [--component-id[=comp_id]|-I[comp_id]]\n"
399 " [--component-flags[=comp_flags]]\n"
400 " [--component-count]\n"
401 " [--component-start[=[+-]comp_start]]\n"
402 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
403 " [[!] --mirror-index=[+-]<index> |\n"
404 " [!] --mirror-id=[+-]<id>]\n"
405 " <directory|filename> ..."},
406 {"setdirstripe", lfs_setdirstripe, 0,
407 "To create a striped directory on a specified MDT. This can only\n"
408 "be done on MDT0 with the right of administrator.\n"
409 "usage: setdirstripe [OPTION] <directory>\n"
411 {"getdirstripe", lfs_getdirstripe, 0,
412 "To list the layout pattern info for a given directory\n"
413 "or recursively for all directories in a directory tree.\n"
414 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
415 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
416 " [--recursive|-r] [--yaml|-y]\n"
417 " [--verbose|-v] [--default|-D] <dir> ..."},
418 {"mkdir", lfs_setdirstripe, 0,
419 "To create a striped directory on a specified MDT. This can only\n"
420 "be done on MDT0 with the right of administrator.\n"
421 "usage: mkdir [OPTION] <directory>\n"
423 {"rm_entry", lfs_rmentry, 0,
424 "To remove the name entry of the remote directory. Note: This\n"
425 "command will only delete the name entry, i.e. the remote directory\n"
426 "will become inaccessable after this command. This can only be done\n"
427 "by the administrator\n"
428 "usage: rm_entry <dir>\n"},
429 {"pool_list", lfs_poollist, 0,
430 "List pools or pool OSTs\n"
431 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
432 {"find", lfs_find, 0,
433 "find files matching given attributes recursively in directory tree.\n"
434 "usage: find <directory|filename> ...\n"
435 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
436 " [[!] --mtime|-M [+-]N[smhdwy]] [[!] --blocks|-b N]\n"
437 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
438 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
439 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
440 " [[!] --stripe-count|-c [+-]<stripes>]\n"
441 " [[!] --stripe-index|-i <index,...>]\n"
442 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
443 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
444 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
445 " [[!] --projid <projid>]\n"
446 " [[!] --foreign[=<foreign_type>]]\n"
447 " [[!] --layout|-L released,raid0,mdt]\n"
448 " [[!] --foreign[=<foreign_type>]]\n"
449 " [[!] --component-count [+-]<comp_cnt>]\n"
450 " [[!] --component-start [+-]N[kMGTPE]]\n"
451 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
452 " [[!] --component-flags <comp_flags>]\n"
453 " [[!] --mirror-count|-N [+-]<n>]\n"
454 " [[!] --mirror-state <[^]state>]\n"
455 " [[!] --mdt-count|-T [+-]<stripes>]\n"
456 " [[!] --mdt-hash|-H <hashtype>\n"
457 " [[!] --mdt-index|-m <uuid|index,...>]\n"
458 "\t !: used before an option indicates 'NOT' requested attribute\n"
459 "\t -: used before a value indicates less than requested value\n"
460 "\t +: used before a value indicates more than requested value\n"
461 "\thashtype: hash type of the striped directory.\n"
462 "\t fnv_1a_64 FNV-1a hash algorithm\n"
463 "\t all_char sum of characters % MDT_COUNT\n"},
464 {"check", lfs_check, 0,
465 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
466 "or all the servers (MGTs, MDTs and OSTs).\n"
467 "usage: check <mgts|osts|mdts|all>"},
468 {"osts", lfs_osts, 0, "list OSTs connected to client "
469 "[for specified path only]\n" "usage: osts [path]"},
470 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
471 "[for specified path only]\n" "usage: mdts [path]"},
473 "report filesystem disk space usage or inodes usage "
474 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
475 "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
476 {"getname", lfs_getname, 0,
477 "list instances and specified mount points [for specified path only]\n"
478 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
479 #ifdef HAVE_SYS_QUOTA_H
480 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
481 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
482 " -b <block-softlimit> -B <block-hardlimit>\n"
483 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
484 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
485 " [--block-softlimit <block-softlimit>]\n"
486 " [--block-hardlimit <block-hardlimit>]\n"
487 " [--inode-softlimit <inode-softlimit>]\n"
488 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
489 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
490 " [--block-grace <block-grace>]\n"
491 " [--inode-grace <inode-grace>] <filesystem>\n"
492 " setquota <-U|-G|-P>\n"
493 " -b <block-softlimit> -B <block-hardlimit>\n"
494 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
495 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
496 " [--block-softlimit <block-softlimit>]\n"
497 " [--block-hardlimit <block-hardlimit>]\n"
498 " [--inode-softlimit <inode-softlimit>]\n"
499 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
500 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
502 " -b can be used instead of --block-softlimit/--block-grace\n"
503 " -B can be used instead of --block-hardlimit\n"
504 " -i can be used instead of --inode-softlimit/--inode-grace\n"
505 " -I can be used instead of --inode-hardlimit\n"
506 " -d can be used instead of --default\n\n"
507 "Note: The total quota space will be split into many qunits and\n"
508 " balanced over all server targets, the minimal qunit size is\n"
509 " 1M bytes for block space and 1K inodes for inode space.\n\n"
510 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
511 " Quota space rebalancing process will stop when this mininum\n"
512 " value is reached. As a result, quota exceeded can be returned\n"
513 " while many targets still have 1MB or 1K inodes of spare\n"
515 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
516 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
518 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
519 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
520 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
521 {"project", lfs_project, 0,
522 "Change or list project attribute for specified file or directory.\n"
523 "usage: project [-d|-r] <file|directory...>\n"
524 " list project ID and flags on file(s) or directories\n"
525 " project [-p id] [-s] [-r] <file|directory...>\n"
526 " set project ID and/or inherit flag for specified file(s) or directories\n"
527 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
528 " check project ID and flags on file(s) or directories, print outliers\n"
529 " project -C [-r] [-k] <file|directory...>\n"
530 " clear the project inherit flag and ID on the file or directory\n"
533 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
534 "usage: flushctx [-k] [mountpoint...]"},
535 {"changelog", lfs_changelog, 0,
536 "Show the metadata changes on an MDT."
537 "\nusage: changelog <mdtname> [startrec [endrec]]"},
538 {"changelog_clear", lfs_changelog_clear, 0,
539 "Indicate that old changelog records up to <endrec> are no longer of "
540 "interest to consumer <id>, allowing the system to free up space.\n"
541 "An <endrec> of 0 means all records.\n"
542 "usage: changelog_clear <mdtname> <id> <endrec>"},
543 {"fid2path", lfs_fid2path, 0,
544 "Resolve the full path(s) for given FID(s). For a specific hardlink "
545 "specify link number <linkno>.\n"
546 /* "For a historical link name, specify changelog record <recno>.\n" */
547 "usage: fid2path [--link <linkno>] <fsname|rootpath> <fid> ..."
548 /* [ --rec <recno> ] */ },
549 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
550 "usage: path2fid [--parents] <path> ..."},
551 {"data_version", lfs_data_version, 0, "Display file data version for "
552 "a given path.\n" "usage: data_version -[n|r|w] <path>"},
553 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
554 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
555 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
556 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
557 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
558 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
560 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
561 "[--archived] [--lost] <file> ..."},
562 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
563 "given files.\n" "usage: hsm_action <file> ..."},
564 {"hsm_archive", lfs_hsm_archive, 0,
565 "Archive file to external storage.\n"
566 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
568 {"hsm_restore", lfs_hsm_restore, 0,
569 "Restore file from external storage.\n"
570 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
571 {"hsm_release", lfs_hsm_release, 0,
572 "Release files from Lustre.\n"
573 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
574 {"hsm_remove", lfs_hsm_remove, 0,
575 "Remove file copy from external storage.\n"
576 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
578 " (FILE [FILE ...] | "
579 "--mntpath MOUNTPATH FID [FID ...])\n"
581 "Note: To remove an archived copy of a file already deleted from a "
583 "--mntpath option and a list of FIDs must be specified"
585 {"hsm_cancel", lfs_hsm_cancel, 0,
586 "Cancel requests related to specified files.\n"
587 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
588 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
589 "usage: swap_layouts <path1> <path2>"},
590 {"migrate", lfs_setstripe_migrate, 0,
591 "migrate a directory between MDTs.\n"
592 "usage: migrate [--mdt-count|-c] <stripe_count>\n"
593 " [--mdt-hash|-H] <hash_type>\n"
594 " [--mdt-index|-m] <start_mdt_index>\n"
597 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
598 " it's the MDT index of first stripe\n"
599 "\tmdt_count: number of MDTs to stripe a directory over\n"
600 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
601 " fnv_1a_64 FNV-1a hash algorithm (default)\n"
602 " all_char sum of characters % MDT_COUNT\n"
604 "migrate file objects from one OST "
605 "layout\nto another (may be not safe with concurent writes).\n"
607 "[--stripe-count|-c] <stripe_count>\n"
608 "[--overstripe-count|-C] <stripe_count>\n"
609 " [--stripe-index|-i] <start_ost_index>\n"
610 " [--stripe-size|-S] <stripe_size>\n"
611 " [--pool|-p] <pool_name>\n"
612 " [--ost|-o] <ost_indices>\n"
614 " [--non-block|-n]\n"
615 " [--non-direct|-D]\n"
616 " <file|directory>\n"
617 "\tstripe_count: number of OSTs to stripe a file over\n"
618 "\t Using -C instead of -c allows overstriping, which\n"
619 "\t will place more than one stripe per OST if\n"
620 "\t stripe_count is greater than the number of OSTs\n"
621 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
622 "\tstripe_size: number of bytes to store before moving to the next OST\n"
623 "\tpool_name: name of the predefined pool of OSTs\n"
624 "\tost_indices: OSTs to stripe over, in order\n"
625 "\tblock: Block file access during data migration (default)\n"
626 "\tnon-block: Abort migrations if concurrent access is detected\n"
627 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
629 "To move directories between MDTs. This command is deprecated, "
630 "use \"migrate\" instead.\n"
631 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
633 {"ladvise", lfs_ladvise, 0,
634 "Provide servers with advice about access patterns for a file.\n"
635 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
636 " [--background|-b] [--unset|-u]\n\n"
637 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
638 " {[--mode|-m [READ,WRITE]}\n"
640 {"mirror", lfs_mirror, mirror_cmdlist,
641 "lfs commands used to manage files with mirrored components:\n"
642 "lfs mirror create - create a mirrored file or directory\n"
643 "lfs mirror extend - add mirror(s) to an existing file\n"
644 "lfs mirror split - split a mirror from an existing mirrored file\n"
645 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
646 "lfs mirror read - read a mirror content of a mirrored file\n"
647 "lfs mirror write - write to a mirror of a mirrored file\n"
648 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
649 "lfs mirror verify - verify mirrored file(s)\n"},
650 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
651 "usage: getsom [-s] [-b] [-f] <path>\n"
652 "\t-s: Only show the size value of the SOM data for a given file\n"
653 "\t-b: Only show the blocks value of the SOM data for a given file\n"
654 "\t-f: Only show the flags value of the SOM data for a given file\n"},
655 {"heat_get", lfs_heat_get, 0,
656 "To get heat of files.\n"
657 "usage: heat_get <file> ...\n"},
658 {"heat_set", lfs_heat_set, 0,
659 "To set heat flags of files.\n"
660 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
661 "\t--clear|-c: Clear file heat for given files\n"
662 "\t--off|-o: Turn off file heat for given files\n"
663 "\t--on|-O: Turn on file heat for given files\n"},
664 {"pcc", lfs_pcc, pcc_cmdlist,
665 "lfs commands used to interact with PCC features:\n"
666 "lfs pcc attach - attach given files to Persistent Client Cache\n"
667 "lfs pcc state - display the PCC state for given files\n"
668 "lfs pcc detach - detach given files from Persistent Client Cache\n"
669 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
670 {"help", Parser_help, 0, "help"},
671 {"exit", Parser_quit, 0, "quit"},
672 {"quit", Parser_quit, 0, "quit"},
673 {"--version", Parser_version, 0,
674 "output build version of the utility and exit"},
675 {"--list-commands", lfs_list_commands, 0,
676 "list commands supported by the utility and exit"},
681 static int check_hashtype(const char *hashtype)
685 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
686 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
692 static uint32_t check_foreign_type_name(const char *foreign_type_name)
696 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
697 if (lu_foreign_types[i].lft_name == NULL)
699 if (strcmp(foreign_type_name,
700 lu_foreign_types[i].lft_name) == 0)
701 return lu_foreign_types[i].lft_type;
704 return LU_FOREIGN_TYPE_UNKNOWN;
707 static const char *error_loc = "syserror";
710 MIGRATION_NONBLOCK = 0x0001,
711 MIGRATION_MIRROR = 0x0002,
712 MIGRATION_NONDIRECT = 0x0004,
713 MIGRATION_VERBOSE = 0x0008,
716 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
717 struct llapi_layout *layout);
720 migrate_open_files(const char *name, __u64 migration_flags,
721 const struct llapi_stripe_param *param,
722 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
729 char parent[PATH_MAX];
730 char volatile_file[PATH_MAX];
736 if (param == NULL && layout == NULL) {
737 error_loc = "layout information";
741 /* search for file directory pathname */
742 if (strlen(name) > sizeof(parent) - 1) {
743 error_loc = "source file name";
747 strncpy(parent, name, sizeof(parent));
748 ptr = strrchr(parent, '/');
750 if (getcwd(parent, sizeof(parent)) == NULL) {
751 error_loc = "getcwd";
755 if (ptr == parent) /* leading '/' */
760 /* open file, direct io */
761 /* even if the file is only read, WR mode is nedeed to allow
762 * layout swap on fd */
764 if (!(migration_flags & MIGRATION_NONDIRECT))
766 fd = open(name, rflags);
769 error_loc = "cannot open source file";
773 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
775 error_loc = "cannot get MDT index";
780 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
781 mode_t open_mode = S_IRUSR | S_IWUSR;
783 random_value = random();
784 rc = snprintf(volatile_file, sizeof(volatile_file),
785 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
786 mdt_index, random_value);
787 if (rc >= sizeof(volatile_file)) {
792 /* create, open a volatile file, use caching (ie no directio) */
794 fdv = llapi_file_open_param(volatile_file, open_flags,
797 fdv = lfs_component_create(volatile_file, open_flags,
799 } while (fdv < 0 && (rc = fdv) == -EEXIST);
802 error_loc = "cannot create volatile file";
806 /* In case the MDT does not support creation of volatile files
807 * we should try to unlink it. */
808 (void)unlink(volatile_file);
810 /* Not-owner (root?) special case.
811 * Need to set owner/group of volatile file like original.
812 * This will allow to pass related check during layout_swap.
817 error_loc = "cannot stat source file";
821 rc = fstat(fdv, &stv);
824 error_loc = "cannot stat volatile";
828 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
829 rc = fchown(fdv, st.st_uid, st.st_gid);
832 error_loc = "cannot change ownwership of volatile";
851 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
853 struct llapi_layout *layout;
854 size_t buf_size = 4 * 1024 * 1024;
863 layout = llapi_layout_get_by_fd(fd_src, 0);
864 if (layout != NULL) {
865 uint64_t stripe_size;
867 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
869 buf_size = stripe_size;
871 llapi_layout_free(layout);
874 /* Use a page-aligned buffer for direct I/O */
875 rc = posix_memalign(&buf, getpagesize(), buf_size);
880 /* read new data only if we have written all
881 * previously read data */
884 rc = check_file(fd_src);
889 rsize = read(fd_src, buf, buf_size);
901 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
920 static int migrate_copy_timestamps(int fd, int fdv)
924 if (fstat(fd, &st) == 0) {
925 struct timeval tv[2] = {
926 {.tv_sec = st.st_atime},
927 {.tv_sec = st.st_mtime}
930 return futimes(fdv, tv);
936 static int migrate_block(int fd, int fdv)
943 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
945 error_loc = "cannot get dataversion";
953 /* The grouplock blocks all concurrent accesses to the file.
954 * It has to be taken after llapi_get_data_version as it would
956 rc = llapi_group_lock(fd, gid);
958 error_loc = "cannot get group lock";
962 rc = migrate_copy_data(fd, fdv, NULL);
964 error_loc = "data copy failed";
968 /* Make sure we keep original atime/mtime values */
969 rc = migrate_copy_timestamps(fd, fdv);
971 error_loc = "timestamp copy failed";
976 * for a migration we need to check data version on file did
979 * Pass in gid=0 since we already own grouplock. */
980 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
981 SWAP_LAYOUTS_CHECK_DV1);
983 error_loc = "file changed";
986 error_loc = "cannot swap layout";
991 rc2 = llapi_group_unlock(fd, gid);
992 if (rc2 < 0 && rc == 0) {
993 error_loc = "unlock group lock";
1001 * Internal helper for migrate_copy_data(). Check lease and report error if
1004 * \param[in] fd File descriptor on which to check the lease.
1006 * \retval 0 Migration can keep on going.
1007 * \retval -errno Error occurred, abort migration.
1009 static int check_lease(int fd)
1013 rc = llapi_lease_check(fd);
1015 return 0; /* llapi_check_lease returns > 0 on success. */
1020 static int migrate_nonblock(int fd, int fdv)
1026 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1028 error_loc = "cannot get data version";
1032 rc = migrate_copy_data(fd, fdv, check_lease);
1034 error_loc = "data copy failed";
1038 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1040 error_loc = "cannot get data version";
1046 error_loc = "source file changed";
1050 /* Make sure we keep original atime/mtime values */
1051 rc = migrate_copy_timestamps(fd, fdv);
1053 error_loc = "timestamp copy failed";
1060 static int lfs_component_set(char *fname, int comp_id,
1061 __u32 flags, __u32 neg_flags)
1064 __u32 flags_array[2];
1069 ids[count] = comp_id;
1070 flags_array[count] = flags;
1075 ids[count] = comp_id;
1076 flags_array[count] = neg_flags | LCME_FL_NEG;
1080 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1083 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1084 progname, comp_id, fname, flags, neg_flags);
1089 static int lfs_component_del(char *fname, __u32 comp_id,
1090 __u32 flags, __u32 neg_flags)
1094 if (flags && neg_flags)
1097 if (!flags && neg_flags)
1098 flags = neg_flags | LCME_FL_NEG;
1100 if ((flags && comp_id) || (!flags && !comp_id))
1103 /* LCME_FL_INIT is the only supported flag in PFL */
1105 if (flags & ~LCME_KNOWN_FLAGS) {
1107 "%s setstripe: unknown flags %#x\n",
1111 } else if (comp_id > LCME_ID_MAX) {
1112 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1117 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1120 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1121 progname, comp_id, fname, strerror(errno));
1125 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1132 rc = llapi_layout_file_comp_add(fname, layout);
1134 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1135 fname, strerror(errno));
1139 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1140 struct llapi_layout *layout)
1148 fd = lstat(fname, &st);
1149 if (fd == 0 && S_ISDIR(st.st_mode))
1150 open_flags = O_DIRECTORY | O_RDONLY;
1152 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1154 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1155 S_ISDIR(st.st_mode) ?
1156 "set default composite layout for" :
1157 "create composite file",
1158 fname, strerror(errno));
1162 static int lfs_migrate(char *name, __u64 migration_flags,
1163 struct llapi_stripe_param *param,
1164 struct llapi_layout *layout)
1170 rc = migrate_open_files(name, migration_flags, param, layout,
1175 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1176 /* Blocking mode (forced if servers do not support file lease).
1177 * It is also the default mode, since we cannot distinguish
1178 * between a broken lease and a server that does not support
1179 * atomic swap/close (LU-6785) */
1180 rc = migrate_block(fd, fdv);
1184 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1186 error_loc = "cannot get lease";
1190 rc = migrate_nonblock(fd, fdv);
1192 llapi_lease_release(fd);
1196 /* Atomically put lease, swap layouts and close.
1197 * for a migration we need to check data version on file did
1199 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1201 error_loc = "cannot swap layout";
1213 fprintf(stderr, "error: %s: %s: %s: %s\n",
1214 progname, name, error_loc, strerror(-rc));
1215 else if (migration_flags & MIGRATION_VERBOSE)
1216 printf("%s\n", name);
1221 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1230 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1234 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1235 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1236 const char *comp_name = comp_flags_table[i].cfn_name;
1238 if (strcmp(name, comp_name) == 0) {
1239 *flags |= comp_flag;
1241 } else if (strncmp(name, "^", 1) == 0 &&
1242 strcmp(name + 1, comp_name) == 0) {
1243 *neg_flags |= comp_flag;
1248 llapi_printf(LLAPI_MSG_ERROR,
1249 "%s: component flag '%s' not supported\n",
1255 if (!*flags && !*neg_flags)
1258 /* don't allow to set and exclude the same flag */
1259 if (*flags & *neg_flags)
1265 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1273 if (strncmp(string, "^", 1) == 0) {
1274 *neg_state = llapi_layout_string_flags(string + 1);
1275 if (*neg_state != 0)
1278 *state = llapi_layout_string_flags(string);
1283 llapi_printf(LLAPI_MSG_ERROR,
1284 "%s: mirrored file state '%s' not supported\n",
1290 * struct mirror_args - Command-line arguments for mirror(s).
1291 * @m_count: Number of mirrors to be created with this layout.
1292 * @m_flags: Mirror level flags, only 'prefer' is supported.
1293 * @m_layout: Mirror layout.
1294 * @m_file: A victim file. Its layout will be split and used as a mirror.
1295 * @m_next: Point to the next node of the list.
1297 * Command-line arguments for mirror(s) will be parsed and stored in
1298 * a linked list that consists of this structure.
1300 struct mirror_args {
1303 struct llapi_layout *m_layout;
1305 struct mirror_args *m_next;
1308 static int mirror_sanity_check_flags(struct llapi_layout *layout, void *unused)
1313 rc = llapi_layout_comp_flags_get(layout, &flags);
1317 if (flags & LCME_FL_NEG) {
1318 fprintf(stderr, "error: %s: negative flags are not supported\n",
1323 if (flags & LCME_FL_STALE) {
1324 fprintf(stderr, "error: %s: setting '%s' is not supported\n",
1325 progname, comp_flags_table[LCME_FL_STALE].cfn_name);
1329 return LLAPI_LAYOUT_ITER_CONT;
1332 static inline int mirror_sanity_check_one(struct llapi_layout *layout)
1334 uint64_t start, end;
1338 /* LU-10112: do not support dom+flr in phase 1 */
1339 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
1343 rc = llapi_layout_pattern_get(layout, &pattern);
1347 if (pattern == LOV_PATTERN_MDT || pattern == LLAPI_LAYOUT_MDT) {
1348 fprintf(stderr, "error: %s: doesn't support dom+flr for now\n",
1353 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_LAST);
1357 rc = llapi_layout_comp_extent_get(layout, &start, &end);
1361 if (end != LUSTRE_EOF) {
1362 fprintf(stderr, "error: %s: mirror layout doesn't reach eof\n",
1367 rc = llapi_layout_comp_iterate(layout, mirror_sanity_check_flags, NULL);
1372 * enum mirror_flags - Flags for extending a mirrored file.
1373 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1374 * in case the victim file(s) contains the same data as the
1375 * original mirrored file.
1376 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1377 * @MF_COMP_ID: specified component id instead of mirror id
1379 * Flags for extending a mirrored file.
1388 * mirror_create_sanity_check() - Check mirror list.
1389 * @list: A linked list that stores the mirror arguments.
1391 * This function does a sanity check on @list for creating
1394 * Return: 0 on success or a negative error code on failure.
1396 static int mirror_create_sanity_check(const char *fname,
1397 struct mirror_args *list)
1400 bool has_m_file = false;
1401 bool has_m_layout = false;
1407 struct llapi_layout *layout;
1409 layout = llapi_layout_get_by_path(fname, 0);
1412 "error: %s: file '%s' couldn't get layout\n",
1417 rc = mirror_sanity_check_one(layout);
1418 llapi_layout_free(layout);
1424 while (list != NULL) {
1425 if (list->m_file != NULL) {
1427 llapi_layout_free(list->m_layout);
1430 llapi_layout_get_by_path(list->m_file, 0);
1431 if (list->m_layout == NULL) {
1433 "error: %s: file '%s' has no layout\n",
1434 progname, list->m_file);
1438 has_m_layout = true;
1439 if (list->m_layout == NULL) {
1440 fprintf(stderr, "error: %s: no mirror layout\n",
1446 rc = mirror_sanity_check_one(list->m_layout);
1450 list = list->m_next;
1453 if (has_m_file && has_m_layout) {
1455 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1463 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1465 __u32 mirror_flags = *(__u32 *)cbdata;
1469 rc = llapi_layout_comp_flags_get(layout, &flags);
1474 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1479 return LLAPI_LAYOUT_ITER_CONT;
1483 * mirror_create() - Create a mirrored file.
1484 * @fname: The file to be created.
1485 * @mirror_list: A linked list that stores the mirror arguments.
1487 * This function creates a mirrored file @fname with the mirror(s)
1488 * from @mirror_list.
1490 * Return: 0 on success or a negative error code on failure.
1492 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1494 struct llapi_layout *layout = NULL;
1495 struct mirror_args *cur_mirror = NULL;
1496 uint16_t mirror_count = 0;
1500 rc = mirror_create_sanity_check(NULL, mirror_list);
1504 cur_mirror = mirror_list;
1505 while (cur_mirror != NULL) {
1506 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1508 &cur_mirror->m_flags);
1511 fprintf(stderr, "%s: failed to set mirror flags\n",
1516 for (i = 0; i < cur_mirror->m_count; i++) {
1517 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1520 fprintf(stderr, "error: %s: "
1521 "merge layout failed: %s\n",
1522 progname, strerror(errno));
1526 mirror_count += cur_mirror->m_count;
1527 cur_mirror = cur_mirror->m_next;
1530 if (layout == NULL) {
1531 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1535 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1538 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1539 progname, strerror(errno));
1543 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1551 llapi_layout_free(layout);
1556 * Compare files and check lease on @fd.
1558 * \retval bytes number of bytes are the same
1560 static ssize_t mirror_file_compare(int fd, int fdv)
1562 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1564 ssize_t bytes_done = 0;
1565 ssize_t bytes_read = 0;
1567 buf = malloc(buflen * 2);
1572 if (!llapi_lease_check(fd)) {
1573 bytes_done = -EBUSY;
1577 bytes_read = read(fd, buf, buflen);
1578 if (bytes_read <= 0)
1581 if (bytes_read != read(fdv, buf + buflen, buflen))
1584 /* XXX: should compute the checksum on each buffer and then
1585 * compare checksum to avoid cache collision */
1586 if (memcmp(buf, buf + buflen, bytes_read))
1589 bytes_done += bytes_read;
1597 static int mirror_extend_file(const char *fname, const char *victim_file,
1598 enum mirror_flags mirror_flags)
1603 struct stat stbuf_v;
1604 struct ll_ioc_lease *data = NULL;
1607 fd = open(fname, O_RDWR);
1609 error_loc = "open source file";
1614 fdv = open(victim_file, O_RDWR);
1616 error_loc = "open target file";
1621 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1622 error_loc = "stat source or target file";
1627 if (stbuf.st_dev != stbuf_v.st_dev) {
1628 error_loc = "stat source and target file";
1633 /* mirrors should be of the same size */
1634 if (stbuf.st_size != stbuf_v.st_size) {
1635 error_loc = "file sizes don't match";
1640 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1642 error_loc = "cannot get lease";
1646 if (!(mirror_flags & MF_NO_VERIFY)) {
1648 /* mirrors should have the same contents */
1649 ret = mirror_file_compare(fd, fdv);
1650 if (ret != stbuf.st_size) {
1651 error_loc = "file busy or contents don't match";
1652 rc = ret < 0 ? ret : -EINVAL;
1657 /* Get rid of caching pages from clients */
1658 rc = llapi_file_flush(fd);
1660 error_loc = "cannot get data version";
1664 rc = llapi_file_flush(fdv);
1666 error_loc = "cannot get data version";
1671 /* Make sure we keep original atime/mtime values */
1672 rc = migrate_copy_timestamps(fd, fdv);
1674 error_loc = "cannot copy timestamp";
1678 /* Atomically put lease, merge layouts and close. */
1679 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1681 error_loc = "memory allocation";
1684 data->lil_mode = LL_LEASE_UNLCK;
1685 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1686 data->lil_count = 1;
1687 data->lil_ids[0] = fdv;
1688 rc = llapi_lease_set(fd, data);
1690 error_loc = "cannot merge layout";
1692 } else if (rc == 0) {
1694 error_loc = "lost lease lock";
1707 (void) unlink(victim_file);
1709 fprintf(stderr, "error: %s: %s: %s: %s\n",
1710 progname, fname, error_loc, strerror(-rc));
1714 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1716 struct ll_ioc_lease *data = NULL;
1721 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1725 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1727 error_loc = "cannot get lease";
1731 rc = migrate_nonblock(fd, fdv);
1733 llapi_lease_release(fd);
1737 /* Atomically put lease, merge layouts and close. */
1738 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1740 error_loc = "memory allocation";
1743 data->lil_mode = LL_LEASE_UNLCK;
1744 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1745 data->lil_count = 1;
1746 data->lil_ids[0] = fdv;
1747 rc = llapi_lease_set(fd, data);
1749 error_loc = "cannot merge layout";
1751 } else if (rc == 0) {
1753 error_loc = "lost lease lock";
1766 fprintf(stderr, "error: %s: %s: %s: %s\n",
1767 progname, name, error_loc, strerror(-rc));
1771 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1772 enum mirror_flags mirror_flags)
1776 rc = mirror_create_sanity_check(fname, mirror_list);
1780 while (mirror_list) {
1781 if (mirror_list->m_file != NULL) {
1782 rc = mirror_extend_file(fname, mirror_list->m_file,
1785 __u32 mirror_count = mirror_list->m_count;
1787 while (mirror_count > 0) {
1788 rc = mirror_extend_layout(fname,
1789 mirror_list->m_layout);
1799 mirror_list = mirror_list->m_next;
1805 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1810 rc = llapi_layout_mirror_id_get(layout, &id);
1814 if ((__u16)id == *(__u16 *)cbdata)
1815 return LLAPI_LAYOUT_ITER_STOP;
1817 return LLAPI_LAYOUT_ITER_CONT;
1820 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1825 rc = llapi_layout_comp_id_get(layout, &id);
1829 if (id == *(__u32 *)cbdata)
1830 return LLAPI_LAYOUT_ITER_STOP;
1832 return LLAPI_LAYOUT_ITER_CONT;
1834 static int mirror_split(const char *fname, __u32 id,
1835 enum mirror_flags mflags, const char *victim_file)
1837 struct llapi_layout *layout;
1838 char parent[PATH_MAX];
1839 char victim[PATH_MAX];
1840 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1842 struct ll_ioc_lease *data;
1843 uint16_t mirror_count;
1848 /* check fname contains mirror with mirror_id/comp_id */
1849 layout = llapi_layout_get_by_path(fname, 0);
1852 "error %s: file '%s' couldn't get layout\n",
1857 rc = mirror_sanity_check_one(layout);
1861 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1864 "error %s: file '%s' couldn't get mirror count\n",
1868 if (mirror_count < 2) {
1870 "error %s: file '%s' has %d component, cannot split\n",
1871 progname, fname, mirror_count);
1875 if (mflags & MF_COMP_ID) {
1876 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1877 id = mirror_id_of(id);
1879 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
1882 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
1885 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
1887 "error %s: file '%s' does not contain mirror with id %u\n",
1888 progname, fname, id);
1892 fd = open(fname, O_RDWR);
1895 "error %s: open file '%s' failed: %s\n",
1896 progname, fname, strerror(errno));
1900 /* get victim file directory pathname */
1901 if (strlen(fname) > sizeof(parent) - 1) {
1902 fprintf(stderr, "error %s: file name of '%s' too long\n",
1907 strncpy(parent, fname, sizeof(parent));
1908 ptr = strrchr(parent, '/');
1910 if (getcwd(parent, sizeof(parent)) == NULL) {
1911 fprintf(stderr, "error %s: getcwd failed: %s\n",
1912 progname, strerror(errno));
1922 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
1924 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
1929 if (victim_file == NULL) {
1930 /* use a temp file to store the splitted layout */
1931 if (mflags & MF_DESTROY) {
1932 fdv = llapi_create_volatile_idx(parent, mdt_index,
1933 O_LOV_DELAY_CREATE);
1935 snprintf(victim, sizeof(victim), "%s.mirror~%u",
1937 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
1940 /* user specified victim file */
1941 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
1946 "error %s: create victim file failed: %s\n",
1947 progname, strerror(errno));
1951 /* get lease lock of fname */
1952 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
1955 "error %s: cannot get lease of file '%s': %d\n",
1956 progname, fname, rc);
1960 /* Atomatically put lease, split layouts and close. */
1961 data = malloc(offsetof(typeof(*data), lil_ids[2]));
1967 data->lil_mode = LL_LEASE_UNLCK;
1968 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
1969 data->lil_count = 2;
1970 data->lil_ids[0] = fdv;
1971 data->lil_ids[1] = id;
1972 rc = llapi_lease_set(fd, data);
1974 if (rc == 0) /* lost lease lock */
1977 "error %s: cannot split '%s': %s\n",
1978 progname, fname, strerror(-rc));
1989 llapi_layout_free(layout);
1994 * Parse a string containing an target index list into an array of integers.
1996 * The input string contains a comma delimited list of individual
1997 * indices and ranges, for example "1,2-4,7". Add the indices into the
1998 * \a tgts array and remove duplicates.
2000 * \param[out] tgts array to store indices in
2001 * \param[in] size size of \a tgts array
2002 * \param[in] offset starting index in \a tgts
2003 * \param[in] arg string containing OST index list
2004 * \param[in/out] overstriping index list may contain duplicates
2006 * \retval positive number of indices in \a tgts
2007 * \retval -EINVAL unable to parse \a arg
2009 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2010 unsigned long long *pattern)
2014 int slots = size - offset;
2016 bool overstriped = false;
2022 end_of_loop = false;
2023 while (!end_of_loop) {
2024 int start_index = 0;
2027 char *endptr = NULL;
2031 ptr = strchrnul(arg, ',');
2033 end_of_loop = *ptr == '\0';
2036 start_index = strtol(arg, &endptr, 0);
2037 if (endptr == arg) /* no data at all */
2039 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2042 end_index = start_index;
2043 if (*endptr == '-') {
2044 end_index = strtol(endptr + 1, &endptr, 0);
2045 if (*endptr != '\0')
2047 if (end_index < start_index)
2051 for (i = start_index; i <= end_index && slots > 0; i++) {
2054 /* remove duplicate */
2055 for (j = 0; j < offset; j++) {
2056 if (tgts[j] == i && pattern &&
2057 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2059 else if (tgts[j] == i)
2065 if (j == offset) { /* check complete */
2071 if (slots == 0 && i < end_index)
2079 if (!end_of_loop && ptr != NULL)
2082 if (!overstriped && pattern)
2083 *pattern = LLAPI_LAYOUT_DEFAULT;
2085 return rc < 0 ? rc : nr;
2088 struct lfs_setstripe_args {
2089 unsigned long long lsa_comp_end;
2090 unsigned long long lsa_stripe_size;
2091 long long lsa_stripe_count;
2092 long long lsa_stripe_off;
2093 __u32 lsa_comp_flags;
2094 __u32 lsa_comp_neg_flags;
2095 unsigned long long lsa_pattern;
2096 unsigned int lsa_mirror_count;
2098 bool lsa_first_comp;
2100 char *lsa_pool_name;
2103 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2105 unsigned int mirror_count = lsa->lsa_mirror_count;
2106 bool first_comp = lsa->lsa_first_comp;
2108 memset(lsa, 0, sizeof(*lsa));
2110 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2111 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2112 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2113 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2114 lsa->lsa_pool_name = NULL;
2116 lsa->lsa_mirror_count = mirror_count;
2117 lsa->lsa_first_comp = first_comp;
2121 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2122 * @lsa: Stripe options to be initialized and inherited.
2124 * This function initializes stripe options in @lsa and inherit
2125 * stripe_size, stripe_count and OST pool_name options.
2129 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2131 unsigned long long stripe_size;
2132 long long stripe_count;
2133 char *pool_name = NULL;
2135 stripe_size = lsa->lsa_stripe_size;
2136 stripe_count = lsa->lsa_stripe_count;
2137 pool_name = lsa->lsa_pool_name;
2139 setstripe_args_init(lsa);
2141 lsa->lsa_stripe_size = stripe_size;
2142 lsa->lsa_stripe_count = stripe_count;
2143 lsa->lsa_pool_name = pool_name;
2146 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2148 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2149 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2150 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2151 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2152 lsa->lsa_pool_name != NULL ||
2153 lsa->lsa_comp_end != 0);
2157 * comp_args_to_layout() - Create or extend a composite layout.
2158 * @composite: Pointer to the composite layout.
2159 * @lsa: Stripe options for the new component.
2161 * This function creates or extends a composite layout by adding a new
2162 * component with stripe options from @lsa.
2164 * Return: 0 on success or an error code on failure.
2166 static int comp_args_to_layout(struct llapi_layout **composite,
2167 struct lfs_setstripe_args *lsa,
2170 struct llapi_layout *layout = *composite;
2171 uint64_t prev_end = 0;
2174 if (layout == NULL) {
2175 layout = llapi_layout_alloc();
2176 if (layout == NULL) {
2177 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2181 *composite = layout;
2185 /* Get current component extent, current component
2186 * must be the tail component. */
2187 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2189 fprintf(stderr, "Get comp extent failed. %s\n",
2194 if (lsa->lsa_first_comp)
2197 if (lsa->lsa_first_comp)
2198 rc = llapi_layout_add_first_comp(layout);
2200 rc = llapi_layout_comp_add(layout);
2202 fprintf(stderr, "Add component failed. %s\n",
2207 /* reset lsa_first_comp */
2208 lsa->lsa_first_comp = false;
2211 rc = llapi_layout_comp_extent_set(layout, prev_end,
2214 fprintf(stderr, "Set extent [%lu, %llu) failed. %s\n",
2215 prev_end, lsa->lsa_comp_end, strerror(errno));
2220 /* Data-on-MDT component setting */
2221 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2222 /* In case of Data-on-MDT patterns the only extra option
2223 * applicable is stripe size option. */
2224 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2225 fprintf(stderr, "Option 'stripe-count' can't be "
2226 "specified with Data-on-MDT component: %lld\n",
2227 lsa->lsa_stripe_count);
2230 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2231 fprintf(stderr, "Option 'stripe-size' can't be "
2232 "specified with Data-on-MDT component: %llu\n",
2233 lsa->lsa_stripe_size);
2236 if (lsa->lsa_nr_tgts != 0) {
2237 fprintf(stderr, "Option 'ost-list' can't be specified "
2238 "with Data-on-MDT component: '%i'\n",
2242 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2243 fprintf(stderr, "Option 'stripe-offset' can't be "
2244 "specified with Data-on-MDT component: %lld\n",
2245 lsa->lsa_stripe_off);
2248 if (lsa->lsa_pool_name != 0) {
2249 fprintf(stderr, "Option 'pool' can't be specified "
2250 "with Data-on-MDT component: '%s'\n",
2251 lsa->lsa_pool_name);
2255 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2257 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2258 lsa->lsa_pattern, strerror(errno));
2261 /* Data-on-MDT component has always single stripe up to end */
2262 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2263 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2264 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2266 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2267 lsa->lsa_pattern, strerror(errno));
2272 rc = llapi_layout_stripe_size_set(layout, lsa->lsa_stripe_size);
2274 fprintf(stderr, "Set stripe size %llu failed: %s\n",
2275 lsa->lsa_stripe_size, strerror(errno));
2279 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2281 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2282 lsa->lsa_stripe_count, strerror(errno));
2286 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2288 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2289 lsa->lsa_comp_flags, strerror(errno));
2293 if (lsa->lsa_pool_name != NULL) {
2294 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2296 fprintf(stderr, "Set pool name: %s failed. %s\n",
2297 lsa->lsa_pool_name, strerror(errno));
2301 rc = llapi_layout_pool_name_set(layout, "");
2303 fprintf(stderr, "Clear pool name failed: %s\n",
2309 if (lsa->lsa_nr_tgts > 0) {
2310 if (lsa->lsa_stripe_count > 0 &&
2311 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2312 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2313 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2314 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2315 lsa->lsa_stripe_count, lsa->lsa_nr_tgts);
2318 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2319 rc = llapi_layout_ost_index_set(layout, i,
2324 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2325 lsa->lsa_stripe_off != -1) {
2326 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2329 fprintf(stderr, "Set ost index %d failed. %s\n",
2330 i, strerror(errno));
2337 static int build_component(struct llapi_layout **layout,
2338 struct lfs_setstripe_args *lsa, bool set_extent)
2342 rc = comp_args_to_layout(layout, lsa, set_extent);
2346 if (lsa->lsa_mirror_count > 0) {
2347 rc = llapi_layout_mirror_count_set(*layout,
2348 lsa->lsa_mirror_count);
2352 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2355 lsa->lsa_mirror_count = 0;
2361 static int build_layout_from_yaml_node(struct cYAML *node,
2362 struct llapi_layout **layout,
2363 struct lfs_setstripe_args *lsa,
2370 if (node->cy_type == CYAML_TYPE_OBJECT) {
2371 /* go deep to sub blocks */
2372 rc = build_layout_from_yaml_node(node->cy_child, layout,
2377 if (node->cy_string == NULL)
2380 string = node->cy_string;
2381 /* skip leading lmm_ if present, to simplify parsing */
2382 if (strncmp(string, "lmm_", 4) == 0)
2385 if (node->cy_type == CYAML_TYPE_STRING) {
2386 if (!strcmp(string, "lcme_extent.e_end")) {
2387 if (!strcmp(node->cy_valuestring, "EOF") ||
2388 !strcmp(node->cy_valuestring, "eof"))
2389 lsa->lsa_comp_end = LUSTRE_EOF;
2390 } else if (!strcmp(string, "pool")) {
2391 lsa->lsa_pool_name = node->cy_valuestring;
2392 } else if (!strcmp(string, "pattern")) {
2393 if (!strcmp(node->cy_valuestring, "mdt"))
2394 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2395 if (!strcmp(node->cy_valuestring,
2396 "raid0,overstriped"))
2398 LLAPI_LAYOUT_OVERSTRIPING;
2399 } else if (!strcmp(string, "lcme_flags")) {
2400 rc = comp_str2flags(node->cy_valuestring,
2401 &lsa->lsa_comp_flags,
2402 &lsa->lsa_comp_neg_flags);
2405 /* Only template flags have meaning in
2406 * the layout for a new file
2408 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2410 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2411 if (!strcmp(string, "lcm_mirror_count")) {
2412 lsa->lsa_mirror_count = node->cy_valueint;
2413 } else if (!strcmp(string, "lcme_extent.e_start")) {
2414 if (node->cy_valueint != 0 || *layout != NULL) {
2415 rc = build_component(layout, lsa, true);
2420 if (node->cy_valueint == 0)
2421 lsa->lsa_first_comp = true;
2423 /* initialize lsa */
2424 setstripe_args_init(lsa);
2425 lsa->lsa_tgts = osts;
2426 } else if (!strcmp(string, "lcme_extent.e_end")) {
2427 if (node->cy_valueint == -1)
2428 lsa->lsa_comp_end = LUSTRE_EOF;
2430 lsa->lsa_comp_end = node->cy_valueint;
2431 } else if (!strcmp(string, "stripe_count")) {
2432 lsa->lsa_stripe_count = node->cy_valueint;
2433 } else if (!strcmp(string, "stripe_size")) {
2434 lsa->lsa_stripe_size = node->cy_valueint;
2435 } else if (!strcmp(string, "stripe_offset")) {
2436 lsa->lsa_stripe_off = node->cy_valueint;
2437 } else if (!strcmp(string, "l_ost_idx")) {
2438 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2443 node = node->cy_next;
2449 static int lfs_comp_create_from_yaml(char *template,
2450 struct llapi_layout **layout,
2451 struct lfs_setstripe_args *lsa,
2454 struct cYAML *tree = NULL, *err_rc = NULL;
2457 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2459 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2460 progname, template);
2461 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2462 "can't parse", &err_rc);
2463 cYAML_print_tree2file(stderr, err_rc);
2464 cYAML_free_tree(err_rc);
2469 /* initialize lsa for plain file */
2470 setstripe_args_init(lsa);
2471 lsa->lsa_tgts = osts;
2473 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2475 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2476 progname, template);
2479 rc = build_component(layout, lsa, *layout != NULL);
2481 /* clean clean lsa */
2482 setstripe_args_init(lsa);
2486 cYAML_free_tree(tree);
2490 /* In 'lfs setstripe --component-add' mode, we need to fetch the extent
2491 * end of the last component in the existing file, and adjust the
2492 * first extent start of the components to be added accordingly. */
2493 static int adjust_first_extent(char *fname, struct llapi_layout *layout)
2495 struct llapi_layout *head;
2496 uint64_t start, end, stripe_size, prev_end = 0;
2499 if (layout == NULL) {
2501 "%s setstripe: layout must be specified\n",
2507 head = llapi_layout_get_by_path(fname, 0);
2510 "%s setstripe: cannot read layout from '%s': %s\n",
2511 progname, fname, strerror(errno));
2513 } else if (errno == ENODATA) {
2514 /* file without LOVEA, this component-add will be turned
2515 * into a component-create. */
2516 llapi_layout_free(head);
2518 } else if (!llapi_layout_is_composite(head)) {
2519 fprintf(stderr, "%s setstripe: '%s' not a composite file\n",
2521 llapi_layout_free(head);
2525 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2527 fprintf(stderr, "%s setstripe: cannot get prev extent: %s\n",
2528 progname, strerror(errno));
2529 llapi_layout_free(head);
2533 llapi_layout_free(head);
2535 /* Make sure we use the first component of the layout to be added. */
2536 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2539 "%s setstripe: cannot move component cursor: %s\n",
2540 progname, strerror(errno));
2544 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2546 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2547 progname, strerror(errno));
2551 if (start > prev_end || end <= prev_end) {
2553 "%s setstripe: first extent [%lu, %lu) not adjacent with extent end %lu\n",
2554 progname, start, end, prev_end);
2558 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
2560 fprintf(stderr, "%s setstripe: cannot get stripe size: %s\n",
2561 progname, strerror(errno));
2565 if (stripe_size != LLAPI_LAYOUT_DEFAULT &&
2566 (prev_end & (stripe_size - 1))) {
2568 "%s setstripe: stripe size %lu not aligned with %lu\n",
2569 progname, stripe_size, prev_end);
2573 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2576 "%s setstripe: cannot set component extent [%lu, %lu): %s\n",
2577 progname, prev_end, end, strerror(errno));
2584 static inline bool arg_is_eof(char *arg)
2586 return !strncmp(arg, "-1", strlen("-1")) ||
2587 !strncmp(arg, "EOF", strlen("EOF")) ||
2588 !strncmp(arg, "eof", strlen("eof"));
2592 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2594 * Return: Valid mirror_args pointer on success and
2595 * NULL if memory allocation fails.
2597 static struct mirror_args *lfs_mirror_alloc(void)
2599 struct mirror_args *mirror = NULL;
2602 mirror = calloc(1, sizeof(*mirror));
2613 * lfs_mirror_free() - Free memory allocated for a mirror argument
2615 * @mirror: Previously allocated mirror argument structure by
2616 * lfs_mirror_alloc().
2618 * Free memory allocated for @mirror.
2622 static void lfs_mirror_free(struct mirror_args *mirror)
2624 if (mirror->m_layout != NULL)
2625 llapi_layout_free(mirror->m_layout);
2630 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2631 * @mirror_list: Previously allocated mirror list.
2633 * Free memory allocated for @mirror_list.
2637 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2639 struct mirror_args *next_mirror = NULL;
2641 while (mirror_list != NULL) {
2642 next_mirror = mirror_list->m_next;
2643 lfs_mirror_free(mirror_list);
2644 mirror_list = next_mirror;
2656 LFS_COMP_NO_VERIFY_OPT,
2658 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
2660 LFS_MIRROR_STATE_OPT,
2662 LFS_MIRROR_INDEX_OPT,
2663 LFS_LAYOUT_FOREIGN_OPT,
2668 static int lfs_setstripe_internal(int argc, char **argv,
2669 enum setstripe_origin opc)
2671 struct lfs_setstripe_args lsa = { 0 };
2672 struct llapi_stripe_param *param = NULL;
2673 struct find_param migrate_mdt_param = {
2683 unsigned long long size_units = 1;
2684 bool migrate_mode = false;
2685 bool migrate_mdt_mode = false;
2686 bool setstripe_mode = false;
2687 bool migration_block = false;
2688 __u64 migration_flags = 0;
2689 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
2690 int comp_del = 0, comp_set = 0;
2693 struct llapi_layout *layout = NULL;
2694 struct llapi_layout **lpp = &layout;
2695 bool mirror_mode = false;
2696 bool has_m_file = false;
2697 __u32 mirror_count = 0;
2698 enum mirror_flags mirror_flags = 0;
2699 struct mirror_args *mirror_list = NULL;
2700 struct mirror_args *new_mirror = NULL;
2701 struct mirror_args *last_mirror = NULL;
2702 __u16 mirror_id = 0;
2704 bool from_yaml = false;
2705 bool from_copy = false;
2706 char *template = NULL;
2707 bool foreign_mode = false;
2709 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
2710 char *mode_opt = NULL;
2711 mode_t previous_umask = 0;
2712 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
2714 struct option long_opts[] = {
2715 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
2716 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
2717 /* --block is only valid in migrate mode */
2718 { .val = 'b', .name = "block", .has_arg = no_argument },
2719 { .val = LFS_COMP_ADD_OPT,
2720 .name = "comp-add", .has_arg = no_argument },
2721 { .val = LFS_COMP_ADD_OPT,
2722 .name = "component-add", .has_arg = no_argument },
2723 { .val = LFS_COMP_DEL_OPT,
2724 .name = "comp-del", .has_arg = no_argument },
2725 { .val = LFS_COMP_DEL_OPT,
2726 .name = "component-del", .has_arg = no_argument },
2727 { .val = LFS_COMP_FLAGS_OPT,
2728 .name = "comp-flags", .has_arg = required_argument },
2729 { .val = LFS_COMP_FLAGS_OPT,
2730 .name = "component-flags",
2731 .has_arg = required_argument },
2732 { .val = LFS_COMP_SET_OPT,
2733 .name = "comp-set", .has_arg = no_argument },
2734 { .val = LFS_COMP_SET_OPT,
2735 .name = "component-set",
2736 .has_arg = no_argument},
2737 { .val = LFS_COMP_NO_VERIFY_OPT,
2738 .name = "no-verify", .has_arg = no_argument},
2739 { .val = LFS_LAYOUT_FLAGS_OPT,
2740 .name = "flags", .has_arg = required_argument},
2741 { .val = LFS_LAYOUT_FOREIGN_OPT,
2742 .name = "foreign", .has_arg = optional_argument},
2743 { .val = LFS_MIRROR_ID_OPT,
2744 .name = "mirror-id", .has_arg = required_argument},
2745 { .val = LFS_MODE_OPT,
2746 .name = "mode", .has_arg = required_argument},
2747 { .val = LFS_LAYOUT_COPY,
2748 .name = "copy", .has_arg = required_argument},
2749 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
2750 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
2751 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
2752 { .val = 'C', .name = "overstripe-count",
2753 .has_arg = required_argument},
2754 { .val = 'd', .name = "delete", .has_arg = no_argument},
2755 { .val = 'd', .name = "destroy", .has_arg = no_argument},
2756 /* --non-direct is only valid in migrate mode */
2757 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
2758 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
2759 { .val = 'E', .name = "component-end",
2760 .has_arg = required_argument},
2761 { .val = 'f', .name = "file", .has_arg = required_argument },
2762 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
2763 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
2764 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
2765 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
2766 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
2767 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
2768 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
2769 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
2770 { .val = 'I', .name = "component-id", .has_arg = required_argument},
2771 { .val = 'L', .name = "layout", .has_arg = required_argument },
2772 { .val = 'm', .name = "mdt", .has_arg = required_argument},
2773 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
2774 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
2775 /* --non-block is only valid in migrate mode */
2776 { .val = 'n', .name = "non-block", .has_arg = no_argument },
2777 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
2778 { .val = 'o', .name = "ost", .has_arg = required_argument },
2779 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
2780 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
2781 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
2783 { .val = 'p', .name = "pool", .has_arg = required_argument },
2784 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
2785 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
2786 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
2787 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
2788 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
2789 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
2790 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
2791 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
2792 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
2793 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
2794 /* --verbose is only valid in migrate mode */
2795 { .val = 'v', .name = "verbose", .has_arg = no_argument},
2796 { .val = 'x', .name = "xattr", .has_arg = required_argument },
2797 { .val = 'y', .name = "yaml", .has_arg = required_argument },
2800 setstripe_args_init(&lsa);
2802 migrate_mode = (opc == SO_MIGRATE);
2803 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
2804 setstripe_mode = (opc == SO_SETSTRIPE);
2806 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
2808 while ((c = getopt_long(argc, argv,
2809 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:",
2810 long_opts, NULL)) >= 0) {
2815 case LFS_COMP_ADD_OPT:
2818 case LFS_COMP_DEL_OPT:
2821 case LFS_COMP_FLAGS_OPT:
2822 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
2823 &lsa.lsa_comp_neg_flags);
2826 if (mirror_mode && lsa.lsa_comp_neg_flags) {
2827 fprintf(stderr, "%s: inverted flags are not supported\n",
2831 if (lsa.lsa_comp_neg_flags & LCME_FL_STALE) {
2833 "%s: cannot clear 'stale' flags from component. Please use lfs-mirror-resync(1) instead\n",
2840 case LFS_COMP_SET_OPT:
2843 case LFS_COMP_NO_VERIFY_OPT:
2844 mirror_flags |= MF_NO_VERIFY;
2846 case LFS_MIRROR_ID_OPT:
2847 mirror_id = strtoul(optarg, &end, 0);
2848 if (*end != '\0' || mirror_id == 0) {
2850 "%s %s: invalid mirror ID '%s'\n",
2851 progname, argv[0], optarg);
2855 case LFS_LAYOUT_FLAGS_OPT: {
2858 /* check for numeric flags (foreign and mirror cases) */
2859 if (setstripe_mode && !mirror_mode && !last_mirror) {
2860 flags = strtoul(optarg, &end, 16);
2863 "%s %s: bad flags '%s'\n",
2864 progname, argv[0], optarg);
2870 if (!mirror_mode || !last_mirror) {
2871 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
2876 result = comp_str2flags(optarg, &last_mirror->m_flags,
2882 fprintf(stderr, "%s: inverted flags are not supported\n",
2887 if (last_mirror->m_flags & ~LCME_USER_FLAGS) {
2889 "%s: unsupported mirror flags: %s\n",
2896 case LFS_LAYOUT_FOREIGN_OPT:
2897 if (optarg != NULL) {
2898 /* check pure numeric */
2899 type = strtoul(optarg, &end, 0);
2902 type = check_foreign_type_name(optarg);
2903 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
2905 "%s %s: unrecognized foreign type '%s'\n",
2912 foreign_mode = true;
2916 if (mode_opt != NULL) {
2917 mode = strtoul(mode_opt, &end, 8);
2920 "%s %s: bad mode '%s'\n",
2921 progname, argv[0], mode_opt);
2924 previous_umask = umask(0);
2927 case LFS_LAYOUT_COPY:
2932 if (!migrate_mode) {
2934 "%s %s: -b|--block valid only for migrate command\n",
2938 migration_block = true;
2941 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
2944 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
2947 "%s %s: invalid stripe count '%s'\n",
2948 progname, argv[0], optarg);
2952 if (lsa.lsa_stripe_count == -1)
2953 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
2956 /* delete the default striping pattern */
2958 if (opc == SO_MIRROR_SPLIT) {
2961 "%s %s: -d cannot used with -f\n",
2965 mirror_flags |= MF_DESTROY;
2969 if (!migrate_mode) {
2971 "%s %s: -D|--non-direct is valid "
2972 "only for migrate command\n",
2976 migration_flags |= MIGRATION_NONDIRECT;
2979 if (lsa.lsa_comp_end != 0) {
2980 result = comp_args_to_layout(lpp, &lsa, true);
2983 "%s %s: invalid layout\n",
2988 setstripe_args_init_inherit(&lsa);
2991 if (arg_is_eof(optarg)) {
2992 lsa.lsa_comp_end = LUSTRE_EOF;
2994 result = llapi_parse_size(optarg,
2999 "%s %s: invalid component end '%s'\n",
3000 progname, argv[0], optarg);
3006 if (!migrate_mode) {
3007 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3011 lsa.lsa_pattern = check_hashtype(optarg);
3012 if (lsa.lsa_pattern == 0) {
3014 "%s %s: bad stripe hash type '%s'\n",
3015 progname, argv[0], optarg);
3020 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3023 "%s %s: invalid stripe offset '%s'\n",
3024 progname, argv[0], optarg);
3027 if (lsa.lsa_stripe_off == -1)
3028 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3031 comp_id = strtoul(optarg, &end, 0);
3032 if (*end != '\0' || comp_id == 0 ||
3033 comp_id > LCME_ID_MAX) {
3035 "%s %s: invalid component ID '%s'\n",
3036 progname, argv[0], optarg);
3041 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3043 "error: %s: invalid option: %s\n",
3044 progname, argv[optopt + 1]);
3047 if (opc == SO_MIRROR_EXTEND) {
3048 if (last_mirror == NULL) {
3050 "error: %s: '-N' must exist in front of '%s'\n",
3051 progname, argv[optopt + 1]);
3054 last_mirror->m_file = optarg;
3055 last_mirror->m_count = 1;
3058 if (mirror_list == NULL)
3059 mirror_list = lfs_mirror_alloc();
3060 mirror_list->m_file = optarg;
3065 if (strcmp(argv[optind - 1], "mdt") == 0) {
3066 /* Can be only the first component */
3067 if (layout != NULL) {
3069 fprintf(stderr, "error: 'mdt' layout "
3070 "can be only the first one\n");
3073 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3075 fprintf(stderr, "error: 'mdt' layout "
3076 "size is too big\n");
3079 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3080 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3082 fprintf(stderr, "error: layout '%s' is "
3083 "unknown, supported layouts are: "
3084 "'mdt', 'raid0'\n", argv[optind]);
3089 if (!migrate_mode) {
3091 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3095 migrate_mdt_mode = true;
3096 lsa.lsa_nr_tgts = parse_targets(tgts,
3097 sizeof(tgts) / sizeof(__u32),
3098 lsa.lsa_nr_tgts, optarg, NULL);
3099 if (lsa.lsa_nr_tgts < 0) {
3101 "%s %s: invalid MDT target(s) '%s'\n",
3102 progname, argv[0], optarg);
3106 lsa.lsa_tgts = tgts;
3107 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3108 lsa.lsa_stripe_off = tgts[0];
3111 if (!migrate_mode) {
3113 "%s %s: -n|--non-block valid only for migrate command\n",
3117 migration_flags |= MIGRATION_NONBLOCK;
3120 if (opc == SO_SETSTRIPE) {
3121 opc = SO_MIRROR_CREATE;
3125 if (optarg != NULL) {
3126 mirror_count = strtoul(optarg, &end, 0);
3127 if (*end != '\0' || mirror_count == 0) {
3129 "error: %s: bad mirror count: %s\n",
3136 new_mirror = lfs_mirror_alloc();
3137 new_mirror->m_count = mirror_count;
3139 if (mirror_list == NULL)
3140 mirror_list = new_mirror;
3142 if (last_mirror != NULL) {
3143 /* wrap up last mirror */
3144 if (lsa.lsa_comp_end == 0)
3145 lsa.lsa_comp_end = LUSTRE_EOF;
3147 result = comp_args_to_layout(lpp, &lsa, true);
3149 lfs_mirror_free(new_mirror);
3153 setstripe_args_init_inherit(&lsa);
3155 last_mirror->m_next = new_mirror;
3158 last_mirror = new_mirror;
3159 lpp = &last_mirror->m_layout;
3162 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3163 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3164 fprintf(stderr, "warning: '--ost-list' is "
3165 "deprecated, use '--ost' instead\n");
3167 /* -o allows overstriping, and must note it because
3168 * parse_targets is shared with MDT striping, which
3169 * does not allow duplicates
3171 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3172 lsa.lsa_nr_tgts = parse_targets(tgts,
3173 sizeof(tgts) / sizeof(__u32),
3174 lsa.lsa_nr_tgts, optarg,
3176 if (lsa.lsa_nr_tgts < 0) {
3178 "%s %s: invalid OST target(s) '%s'\n",
3179 progname, argv[0], optarg);
3183 lsa.lsa_tgts = tgts;
3184 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3185 lsa.lsa_stripe_off = tgts[0];
3190 lsa.lsa_pool_name = optarg;
3192 if (strlen(lsa.lsa_pool_name) == 0 ||
3193 strncmp(lsa.lsa_pool_name, "none",
3194 LOV_MAXPOOLNAME) == 0)
3195 lsa.lsa_pool_name = NULL;
3198 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3202 "%s %s: invalid stripe size '%s'\n",
3203 progname, argv[0], optarg);
3208 if (!migrate_mode) {
3210 "%s %s: -v|--verbose valid only for migrate command\n",
3214 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3215 migration_flags = MIGRATION_VERBOSE;
3225 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3226 progname, argv[0], argv[optind - 1]);
3231 fname = argv[optind];
3233 if (optind == argc) {
3234 fprintf(stderr, "%s %s: FILE must be specified\n",
3239 if (xattr && !foreign_mode) {
3240 /* only print a warning as this is harmless and will be ignored
3243 "%s %s: xattr has been specified for non-foreign layout\n",
3245 } else if (foreign_mode && !xattr) {
3247 "%s %s: xattr must be provided in foreign mode\n",
3252 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3253 comp_set || comp_id || delete || from_copy ||
3254 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3257 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3262 if (mirror_mode && mirror_count == 0) {
3264 "error: %s: --mirror-count|-N option is required\n",
3271 if (lsa.lsa_comp_end == 0)
3272 lsa.lsa_comp_end = LUSTRE_EOF;
3275 if (lsa.lsa_comp_end != 0) {
3276 result = comp_args_to_layout(lpp, &lsa, true);
3281 if (mirror_flags & MF_NO_VERIFY) {
3282 if (opc != SO_MIRROR_EXTEND) {
3284 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3288 } else if (!has_m_file) {
3290 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3297 /* Only LCME_FL_INIT flags is used in PFL, and it shouldn't be
3298 * altered by user space tool, so we don't need to support the
3299 * --component-set for this moment. */
3300 if (comp_set && !comp_id) {
3301 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3306 if ((delete + comp_set + comp_del + comp_add) > 1) {
3308 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3313 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3314 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3316 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3321 if ((comp_set || comp_del) &&
3322 (setstripe_args_specified(&lsa) || layout != NULL)) {
3324 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3329 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3331 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3336 if (comp_add || comp_del) {
3339 result = lstat(fname, &st);
3340 if (result == 0 && S_ISDIR(st.st_mode)) {
3342 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3348 fprintf(stderr, "error: %s: can't use --component-add "
3349 "or --component-del for mirror operation\n",
3356 if (layout == NULL) {
3358 "%s %s: option -E must be specified with --component-add\n",
3363 result = adjust_first_extent(fname, layout);
3364 if (result == -ENODATA)
3366 else if (result != 0)
3370 if (from_yaml && from_copy) {
3372 "%s: can't specify --yaml and --copy together\n",
3377 if ((from_yaml || from_copy) &&
3378 (setstripe_args_specified(&lsa) || layout != NULL)) {
3379 fprintf(stderr, "error: %s: can't specify --yaml with "
3380 "-c, -S, -i, -o, -p or -E options.\n",
3385 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3387 "%s %s: options --non-block and --block are mutually exclusive\n",
3392 if (!comp_del && !comp_set && (opc != SO_MIRROR_SPLIT) &&
3395 "%s %s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3400 if (migrate_mdt_mode) {
3401 struct lmv_user_md *lmu;
3403 /* initialize migrate mdt parameters */
3404 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3405 LMV_USER_MAGIC_SPECIFIC));
3408 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3409 progname, argv[0], strerror(ENOMEM));
3413 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3414 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3415 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3417 "%s %s: migrate should specify MDT index\n",
3422 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3423 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3424 lmu->lum_hash_type = lsa.lsa_pattern;
3426 lmu->lum_hash_type = LMV_HASH_TYPE_FNV_1A_64;
3427 if (lsa.lsa_pool_name)
3428 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3429 sizeof(lmu->lum_pool_name) - 1);
3430 if (lsa.lsa_nr_tgts > 1) {
3433 if (lsa.lsa_stripe_count > 0 &&
3434 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3435 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3437 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3438 progname, lsa.lsa_stripe_count,
3444 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3445 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3446 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3447 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3449 lmu->lum_magic = LMV_USER_MAGIC;
3452 migrate_mdt_param.fp_lmv_md = lmu;
3453 migrate_mdt_param.fp_migrate = 1;
3454 } else if (layout == NULL) {
3455 /* initialize stripe parameters */
3456 param = calloc(1, offsetof(typeof(*param),
3457 lsp_osts[lsa.lsa_nr_tgts]));
3458 if (param == NULL) {
3460 "%s %s: cannot allocate memory for parameters: %s\n",
3461 progname, argv[0], strerror(ENOMEM));
3466 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3467 param->lsp_stripe_size = lsa.lsa_stripe_size;
3468 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3469 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3470 param->lsp_stripe_count = -1;
3472 param->lsp_stripe_count = lsa.lsa_stripe_count;
3474 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3475 param->lsp_stripe_offset = -1;
3477 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3478 param->lsp_stripe_pattern =
3479 llapi_pattern_to_lov(lsa.lsa_pattern);
3480 if (param->lsp_stripe_pattern == EINVAL) {
3481 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3486 param->lsp_pool = lsa.lsa_pool_name;
3487 param->lsp_is_specific = false;
3488 if (lsa.lsa_nr_tgts > 0) {
3489 if (lsa.lsa_stripe_count > 0 &&
3490 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3491 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3492 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3493 fprintf(stderr, "error: %s: stripe count %lld "
3494 "doesn't match the number of OSTs: %d\n"
3495 , argv[0], lsa.lsa_stripe_count,
3501 param->lsp_is_specific = true;
3502 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3503 memcpy(param->lsp_osts, tgts,
3504 sizeof(*tgts) * lsa.lsa_nr_tgts);
3509 /* generate a layout from a YAML template */
3510 result = lfs_comp_create_from_yaml(template, &layout,
3513 fprintf(stderr, "error: %s: can't create composite "
3514 "layout from template file %s\n",
3518 } else if (from_copy) {
3519 layout = llapi_layout_get_by_path(template, 0);
3520 if (layout == NULL) {
3522 "%s: can't create composite layout from file %s.\n",
3523 progname, template);
3528 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3529 if (migrate_mdt_mode) {
3530 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3531 } else if (migrate_mode) {
3532 result = lfs_migrate(fname, migration_flags, param,
3534 } else if (comp_set != 0) {
3535 result = lfs_component_set(fname, comp_id,
3537 lsa.lsa_comp_neg_flags);
3538 } else if (comp_del != 0) {
3539 result = lfs_component_del(fname, comp_id,
3541 lsa.lsa_comp_neg_flags);
3542 } else if (comp_add != 0) {
3543 result = lfs_component_add(fname, layout);
3544 } else if (opc == SO_MIRROR_CREATE) {
3545 result = mirror_create(fname, mirror_list);
3546 } else if (opc == SO_MIRROR_EXTEND) {
3547 result = mirror_extend(fname, mirror_list,
3549 } else if (opc == SO_MIRROR_SPLIT) {
3550 if (mirror_id == 0 && comp_id == 0) {
3552 "%s %s: no mirror id or component id is specified\n",
3557 comp_id = mirror_id;
3559 mirror_flags |= MF_COMP_ID;
3560 result = mirror_split(fname, comp_id, mirror_flags,
3561 has_m_file ? mirror_list->m_file :
3563 } else if (layout != NULL) {
3564 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3570 } else if (foreign_mode) {
3571 result = llapi_file_create_foreign(fname, mode, type,
3578 result = llapi_file_open_param(fname,
3587 /* Save the first error encountered. */
3594 if (mode_opt != NULL)
3595 umask(previous_umask);
3598 free(migrate_mdt_param.fp_lmv_md);
3599 llapi_layout_free(layout);
3600 lfs_mirror_list_free(mirror_list);
3605 llapi_layout_free(layout);
3606 lfs_mirror_list_free(mirror_list);
3610 static int lfs_poollist(int argc, char **argv)
3615 return llapi_poollist(argv[1]);
3618 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3623 char *endptr = "AD";
3628 else if (str[0] == '-')
3634 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
3635 long long val = strtoll(timebuf, &endptr, 0);
3640 unit *= 52; /* 52 weeks + 1 day below */
3641 case 'w': /* fallthrough */
3643 case '\0': /* days are default unit if none used */
3644 case 'd': /* fallthrough */
3645 unit = (unit + (*endptr == 'y')) * 24;
3646 case 'h': /* fallthrough */
3648 case 'm': /* fallthrough */
3650 case 's': /* fallthrough */
3652 /* don't need to multiply by 1 for seconds */
3655 "%s find: bad time string '%s': %s\n",
3656 progname, timebuf, strerror(EINVAL));
3660 if (param->fp_time_margin == 0 ||
3661 (*endptr && unit < param->fp_time_margin))
3662 param->fp_time_margin = unit;
3669 fprintf(stderr, "%s find: bad time '%s': too large\n",
3679 static int name2uid(unsigned int *id, const char *name)
3681 struct passwd *passwd;
3683 passwd = getpwnam(name);
3686 *id = passwd->pw_uid;
3691 static int name2gid(unsigned int *id, const char *name)
3693 struct group *group;
3695 group = getgrnam(name);
3698 *id = group->gr_gid;
3703 static inline int name2projid(unsigned int *id, const char *name)
3708 static int uid2name(char **name, unsigned int id)
3710 struct passwd *passwd;
3712 passwd = getpwuid(id);
3715 *name = passwd->pw_name;
3720 static inline int gid2name(char **name, unsigned int id)
3722 struct group *group;
3724 group = getgrgid(id);
3727 *name = group->gr_name;
3732 static int name2layout(__u32 *layout, char *name)
3734 char *ptr, *layout_name;
3737 for (ptr = name; ; ptr = NULL) {
3738 layout_name = strtok(ptr, ",");
3739 if (layout_name == NULL)
3741 if (strcmp(layout_name, "released") == 0)
3742 *layout |= LOV_PATTERN_F_RELEASED;
3743 else if (strcmp(layout_name, "raid0") == 0)
3744 *layout |= LOV_PATTERN_RAID0;
3745 else if (strcmp(layout_name, "mdt") == 0)
3746 *layout |= LOV_PATTERN_MDT;
3747 else if (strcmp(layout_name, "overstriping") == 0)
3748 *layout |= LOV_PATTERN_OVERSTRIPING;
3755 static int lfs_find(int argc, char **argv)
3760 struct find_param param = {
3763 .fp_time_margin = 24 * 60 * 60,
3765 struct option long_opts[] = {
3766 { .val = 'A', .name = "atime", .has_arg = required_argument },
3767 { .val = 'b', .name = "blocks", .has_arg = required_argument },
3768 { .val = LFS_COMP_COUNT_OPT,
3769 .name = "comp-count", .has_arg = required_argument },
3770 { .val = LFS_COMP_COUNT_OPT,
3771 .name = "component-count",
3772 .has_arg = required_argument },
3773 { .val = LFS_COMP_FLAGS_OPT,
3774 .name = "comp-flags", .has_arg = required_argument },
3775 { .val = LFS_COMP_FLAGS_OPT,
3776 .name = "component-flags",
3777 .has_arg = required_argument },
3778 { .val = LFS_COMP_START_OPT,
3779 .name = "comp-start", .has_arg = required_argument },
3780 { .val = LFS_COMP_START_OPT,
3781 .name = "component-start",
3782 .has_arg = required_argument },
3783 { .val = LFS_MIRROR_STATE_OPT,
3784 .name = "mirror-state", .has_arg = required_argument },
3785 { .val = LFS_LAYOUT_FOREIGN_OPT,
3786 .name = "foreign", .has_arg = optional_argument},
3787 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
3788 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
3789 { .val = 'C', .name = "ctime", .has_arg = required_argument },
3790 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
3791 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
3792 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
3793 { .val = 'E', .name = "component-end",
3794 .has_arg = required_argument },
3795 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3796 { .val = LFS_LAYOUT_FOREIGN_OPT,
3797 .name = "foreign", .has_arg = optional_argument},
3798 { .val = 'g', .name = "gid", .has_arg = required_argument },
3799 { .val = 'G', .name = "group", .has_arg = required_argument },
3800 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
3801 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
3802 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
3803 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
3804 { .val = 'L', .name = "layout", .has_arg = required_argument },
3805 { .val = 'm', .name = "mdt", .has_arg = required_argument },
3806 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
3807 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
3808 { .val = 'M', .name = "mtime", .has_arg = required_argument },
3809 { .val = 'n', .name = "name", .has_arg = required_argument },
3810 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
3811 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
3812 { .val = 'O', .name = "obd", .has_arg = required_argument },
3813 { .val = 'O', .name = "ost", .has_arg = required_argument },
3814 /* no short option for pool yet, can be 'p' after 2.18 */
3815 { .val = LFS_POOL_OPT,
3816 .name = "pool", .has_arg = required_argument },
3817 { .val = '0', .name = "print0", .has_arg = no_argument },
3818 { .val = 'P', .name = "print", .has_arg = no_argument },
3819 { .val = LFS_PROJID_OPT,
3820 .name = "projid", .has_arg = required_argument },
3821 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3822 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3823 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3824 { .val = 's', .name = "size", .has_arg = required_argument },
3825 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3826 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3827 { .val = 't', .name = "type", .has_arg = required_argument },
3828 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
3829 { .val = 'u', .name = "uid", .has_arg = required_argument },
3830 { .val = 'U', .name = "user", .has_arg = required_argument },
3831 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
3832 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
3844 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
3845 while ((c = getopt_long_only(argc, argv,
3846 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:v",
3847 long_opts, NULL)) >= 0) {
3852 /* '!' is part of option */
3853 /* when getopt_long_only() finds a string which is not
3854 * an option nor a known option argument it returns 1
3855 * in that case if we already have found pathstart and pathend
3856 * (i.e. we have the list of pathnames),
3857 * the only supported value is "!"
3859 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
3860 if (!isoption && pathend != -1) {
3861 fprintf(stderr, "err: %s: filename|dirname must either "
3862 "precede options or follow options\n",
3867 if (!isoption && pathstart == -1)
3868 pathstart = optind - 1;
3869 if (isoption && pathstart != -1 && pathend == -1)
3870 pathend = optind - 2;
3876 /* unknown; opt is "!" or path component,
3877 * checking done above.
3879 if (strcmp(optarg, "!") == 0)
3883 xtime = ¶m.fp_atime;
3884 xsign = ¶m.fp_asign;
3885 param.fp_exclude_atime = !!neg_opt;
3886 /* no break, this falls through to 'C' for ctime */
3889 xtime = ¶m.fp_ctime;
3890 xsign = ¶m.fp_csign;
3891 param.fp_exclude_ctime = !!neg_opt;
3893 /* no break, this falls through to 'M' for mtime */
3896 xtime = ¶m.fp_mtime;
3897 xsign = ¶m.fp_msign;
3898 param.fp_exclude_mtime = !!neg_opt;
3900 rc = set_time(¶m, &t, xtime, optarg);
3901 if (rc == LONG_MAX) {
3909 if (optarg[0] == '+') {
3910 param.fp_blocks_sign = -1;
3912 } else if (optarg[0] == '-') {
3913 param.fp_blocks_sign = 1;
3917 param.fp_blocks_units = 1024;
3918 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
3919 ¶m.fp_blocks_units, 0);
3921 fprintf(stderr, "error: bad blocks '%s'\n",
3925 param.fp_check_blocks = 1;
3926 param.fp_exclude_blocks = !!neg_opt;
3928 case LFS_COMP_COUNT_OPT:
3929 if (optarg[0] == '+') {
3930 param.fp_comp_count_sign = -1;
3932 } else if (optarg[0] == '-') {
3933 param.fp_comp_count_sign = 1;
3937 param.fp_comp_count = strtoul(optarg, &endptr, 0);
3938 if (*endptr != '\0') {
3939 fprintf(stderr, "error: bad component count "
3943 param.fp_check_comp_count = 1;
3944 param.fp_exclude_comp_count = !!neg_opt;
3946 case LFS_COMP_FLAGS_OPT:
3947 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
3948 ¶m.fp_comp_neg_flags);
3950 fprintf(stderr, "error: bad component flags "
3954 param.fp_check_comp_flags = 1;
3956 __u32 flags = param.fp_comp_neg_flags;
3957 param.fp_comp_neg_flags = param.fp_comp_flags;
3958 param.fp_comp_flags = flags;
3961 case LFS_COMP_START_OPT:
3962 if (optarg[0] == '+') {
3963 param.fp_comp_start_sign = -1;
3965 } else if (optarg[0] == '-') {
3966 param.fp_comp_start_sign = 1;
3970 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
3971 ¶m.fp_comp_start_units, 0);
3973 fprintf(stderr, "error: bad component start "
3977 param.fp_check_comp_start = 1;
3978 param.fp_exclude_comp_start = !!neg_opt;
3980 case LFS_MIRROR_STATE_OPT:
3981 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
3982 ¶m.fp_mirror_neg_state);
3985 "error: bad mirrored file state '%s'\n",
3989 param.fp_check_mirror_state = 1;
3991 __u16 state = param.fp_mirror_neg_state;
3992 param.fp_mirror_neg_state =
3993 param.fp_mirror_state;
3994 param.fp_mirror_state = state;
3998 if (optarg[0] == '+') {
3999 param.fp_stripe_count_sign = -1;
4001 } else if (optarg[0] == '-') {
4002 param.fp_stripe_count_sign = 1;
4006 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4007 if (*endptr != '\0') {
4008 fprintf(stderr,"error: bad stripe_count '%s'\n",
4013 param.fp_check_stripe_count = 1;
4014 param.fp_exclude_stripe_count = !!neg_opt;
4017 param.fp_max_depth = strtol(optarg, 0, 0);
4020 if (optarg[0] == '+') {
4021 param.fp_comp_end_sign = -1;
4023 } else if (optarg[0] == '-') {
4024 param.fp_comp_end_sign = 1;
4028 if (arg_is_eof(optarg)) {
4029 param.fp_comp_end = LUSTRE_EOF;
4030 param.fp_comp_end_units = 1;
4033 rc = llapi_parse_size(optarg,
4035 ¶m.fp_comp_end_units, 0);
4038 fprintf(stderr, "error: bad component end "
4042 param.fp_check_comp_end = 1;
4043 param.fp_exclude_comp_end = !!neg_opt;
4045 case LFS_LAYOUT_FOREIGN_OPT: {
4046 /* all types by default */
4047 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4049 if (optarg != NULL) {
4050 /* check pure numeric */
4051 type = strtoul(optarg, &endptr, 0);
4054 type = check_foreign_type_name(optarg);
4055 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4057 "%s %s: unknown foreign type '%s'\n",
4064 param.fp_foreign_type = type;
4065 param.fp_check_foreign = 1;
4066 param.fp_exclude_foreign = !!neg_opt;
4071 rc = name2gid(¶m.fp_gid, optarg);
4073 param.fp_gid = strtoul(optarg, &endptr, 10);
4074 if (*endptr != '\0') {
4075 fprintf(stderr, "Group/GID: %s cannot "
4076 "be found.\n", optarg);
4081 param.fp_exclude_gid = !!neg_opt;
4082 param.fp_check_gid = 1;
4085 param.fp_hash_type = check_hashtype(optarg);
4086 if (param.fp_hash_type == 0) {
4087 fprintf(stderr, "error: bad hash_type '%s'\n",
4092 param.fp_check_hash_type = 1;
4093 param.fp_exclude_hash_type = !!neg_opt;
4096 ret = name2layout(¶m.fp_layout, optarg);
4099 param.fp_exclude_layout = !!neg_opt;
4100 param.fp_check_layout = 1;
4104 rc = name2uid(¶m.fp_uid, optarg);
4106 param.fp_uid = strtoul(optarg, &endptr, 10);
4107 if (*endptr != '\0') {
4108 fprintf(stderr, "User/UID: %s cannot "
4109 "be found.\n", optarg);
4114 param.fp_exclude_uid = !!neg_opt;
4115 param.fp_check_uid = 1;
4118 param.fp_pattern = (char *)optarg;
4119 param.fp_exclude_pattern = !!neg_opt;
4122 if (optarg[0] == '+') {
4123 param.fp_mirror_count_sign = -1;
4125 } else if (optarg[0] == '-') {
4126 param.fp_mirror_count_sign = 1;
4130 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4131 if (*endptr != '\0') {
4133 "error: bad mirror count '%s'\n",
4137 param.fp_check_mirror_count = 1;
4138 param.fp_exclude_mirror_count = !!neg_opt;
4143 char *buf, *token, *next, *p;
4147 buf = strdup(optarg);
4153 param.fp_exclude_obd = !!neg_opt;
4156 while (token && *token) {
4157 token = strchr(token, ',');
4164 param.fp_exclude_mdt = !!neg_opt;
4165 param.fp_num_alloc_mdts += len;
4166 tmp = realloc(param.fp_mdt_uuid,
4167 param.fp_num_alloc_mdts *
4168 sizeof(*param.fp_mdt_uuid));
4174 param.fp_mdt_uuid = tmp;
4176 param.fp_exclude_obd = !!neg_opt;
4177 param.fp_num_alloc_obds += len;
4178 tmp = realloc(param.fp_obd_uuid,
4179 param.fp_num_alloc_obds *
4180 sizeof(*param.fp_obd_uuid));
4186 param.fp_obd_uuid = tmp;
4188 for (token = buf; token && *token; token = next) {
4189 struct obd_uuid *puuid;
4192 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4195 ¶m.fp_obd_uuid[param.fp_num_obds++];
4197 p = strchr(token, ',');
4204 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4209 strncpy(puuid->uuid, token,
4210 sizeof(puuid->uuid));
4217 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4221 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4223 "Pool name %s is too long (max %d)\n",
4224 optarg, LOV_MAXPOOLNAME);
4229 * We do check for empty pool because empty pool
4230 * is used to find V1 LOV attributes
4232 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4233 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4234 param.fp_exclude_pool = !!neg_opt;
4235 param.fp_check_pool = 1;
4237 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4238 case 'p': /* want this for --pool, to match getstripe/find */
4240 "warning: -p deprecated, use --print0 or -0\n");
4243 param.fp_zero_end = 1;
4245 case 'P': /* we always print, this option is a no-op */
4247 case LFS_PROJID_OPT:
4248 rc = name2projid(¶m.fp_projid, optarg);
4250 param.fp_projid = strtoul(optarg, &endptr, 10);
4251 if (*endptr != '\0') {
4253 "Invalid project ID: %s",
4259 param.fp_exclude_projid = !!neg_opt;
4260 param.fp_check_projid = 1;
4263 if (optarg[0] == '+') {
4264 param.fp_size_sign = -1;
4266 } else if (optarg[0] == '-') {
4267 param.fp_size_sign = 1;
4271 ret = llapi_parse_size(optarg, ¶m.fp_size,
4272 ¶m.fp_size_units, 0);
4274 fprintf(stderr, "error: bad file size '%s'\n",
4278 param.fp_check_size = 1;
4279 param.fp_exclude_size = !!neg_opt;
4282 if (optarg[0] == '+') {
4283 param.fp_stripe_size_sign = -1;
4285 } else if (optarg[0] == '-') {
4286 param.fp_stripe_size_sign = 1;
4290 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4291 ¶m.fp_stripe_size_units, 0);
4293 fprintf(stderr, "error: bad stripe_size '%s'\n",
4297 param.fp_check_stripe_size = 1;
4298 param.fp_exclude_stripe_size = !!neg_opt;
4301 param.fp_exclude_type = !!neg_opt;
4302 switch (optarg[0]) {
4304 param.fp_type = S_IFBLK;
4307 param.fp_type = S_IFCHR;
4310 param.fp_type = S_IFDIR;
4313 param.fp_type = S_IFREG;
4316 param.fp_type = S_IFLNK;
4319 param.fp_type = S_IFIFO;
4322 param.fp_type = S_IFSOCK;
4325 fprintf(stderr, "error: %s: bad type '%s'\n",
4332 if (optarg[0] == '+') {
4333 param.fp_mdt_count_sign = -1;
4335 } else if (optarg[0] == '-') {
4336 param.fp_mdt_count_sign = 1;
4340 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4341 if (*endptr != '\0') {
4342 fprintf(stderr, "error: bad mdt_count '%s'\n",
4347 param.fp_check_mdt_count = 1;
4348 param.fp_exclude_mdt_count = !!neg_opt;
4356 if (pathstart == -1) {
4357 fprintf(stderr, "error: %s: no filename|pathname\n",
4361 } else if (pathend == -1) {
4367 rc = llapi_find(argv[pathstart], ¶m);
4368 if (rc != 0 && ret == 0)
4370 } while (++pathstart < pathend);
4373 fprintf(stderr, "error: %s failed for %s.\n",
4374 argv[0], argv[optind - 1]);
4376 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4377 free(param.fp_obd_uuid);
4379 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4380 free(param.fp_mdt_uuid);
4385 static int lfs_getstripe_internal(int argc, char **argv,
4386 struct find_param *param)
4388 struct option long_opts[] = {
4389 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4390 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4391 { .val = LFS_COMP_COUNT_OPT,
4392 .name = "comp-count", .has_arg = no_argument },
4393 { .val = LFS_COMP_COUNT_OPT,
4394 .name = "component-count", .has_arg = no_argument },
4395 { .val = LFS_COMP_FLAGS_OPT,
4396 .name = "comp-flags", .has_arg = optional_argument },
4397 { .val = LFS_COMP_FLAGS_OPT,
4398 .name = "component-flags", .has_arg = optional_argument },
4399 { .val = LFS_COMP_START_OPT,
4400 .name = "comp-start", .has_arg = optional_argument },
4401 { .val = LFS_COMP_START_OPT,
4402 .name = "component-start", .has_arg = optional_argument },
4403 { .val = LFS_MIRROR_INDEX_OPT,
4404 .name = "mirror-index", .has_arg = required_argument },
4405 { .val = LFS_MIRROR_ID_OPT,
4406 .name = "mirror-id", .has_arg = required_argument },
4407 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4408 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4409 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4410 { .val = 'd', .name = "directory", .has_arg = no_argument },
4411 { .val = 'D', .name = "default", .has_arg = no_argument },
4412 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4413 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4414 { .val = 'F', .name = "fid", .has_arg = no_argument },
4415 { .val = 'g', .name = "generation", .has_arg = no_argument },
4416 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4417 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4418 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4419 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4420 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4421 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4422 { .val = 'L', .name = "layout", .has_arg = no_argument },
4423 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4424 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4425 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4426 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4427 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4428 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4429 { .val = 'O', .name = "obd", .has_arg = required_argument },
4430 { .val = 'O', .name = "ost", .has_arg = required_argument },
4431 { .val = 'p', .name = "pool", .has_arg = no_argument },
4432 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4433 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4434 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4435 { .val = 'R', .name = "raw", .has_arg = no_argument },
4436 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4437 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4438 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4439 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4440 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4441 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4442 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4443 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4447 int pathstart = -1, pathend = -1;
4451 while ((c = getopt_long(argc, argv,
4452 "-cdDE::FghiI::LmMNoO:pqrRsSvy",
4453 long_opts, NULL)) != -1) {
4457 /* '!' is part of option */
4458 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4459 if (!isoption && pathend != -1) {
4461 "error: %s: filename|dirname must either precede options or follow options\n",
4465 if (!isoption && pathstart == -1)
4466 pathstart = optind - 1;
4467 if (isoption && pathstart != -1 && pathend == -1)
4468 pathend = optind - 2;
4472 /* unknown: opt is "!" */
4473 if (strcmp(optarg, "!") == 0)
4477 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4478 param->fp_verbose |= VERBOSE_COUNT;
4479 param->fp_max_depth = 0;
4482 case LFS_COMP_COUNT_OPT:
4483 param->fp_verbose |= VERBOSE_COMP_COUNT;
4484 param->fp_max_depth = 0;
4486 case LFS_COMP_FLAGS_OPT:
4487 if (optarg != NULL) {
4488 rc = comp_str2flags(optarg,
4489 ¶m->fp_comp_flags,
4490 ¶m->fp_comp_neg_flags);
4492 fprintf(stderr, "error: %s bad "
4493 "component flags '%s'.\n",
4497 param->fp_check_comp_flags = 1;
4499 param->fp_verbose |= VERBOSE_COMP_FLAGS;
4500 param->fp_max_depth = 0;
4503 case LFS_COMP_START_OPT:
4504 if (optarg != NULL) {
4506 if (tmp[0] == '+') {
4507 param->fp_comp_start_sign = -1;
4509 } else if (tmp[0] == '-') {
4510 param->fp_comp_start_sign = 1;
4513 rc = llapi_parse_size(tmp,
4514 ¶m->fp_comp_start,
4515 ¶m->fp_comp_start_units, 0);
4517 fprintf(stderr, "error: %s bad "
4518 "component start '%s'.\n",
4522 param->fp_check_comp_start = 1;
4525 param->fp_verbose |= VERBOSE_COMP_START;
4526 param->fp_max_depth = 0;
4529 case LFS_MIRROR_INDEX_OPT:
4530 if (optarg[0] == '+') {
4531 param->fp_mirror_index_sign = -1;
4533 } else if (optarg[0] == '-') {
4534 param->fp_mirror_index_sign = 1;
4538 param->fp_mirror_index = strtoul(optarg, &end, 0);
4539 if (*end != '\0' || (param->fp_mirror_index == 0 &&
4540 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
4542 "%s %s: invalid mirror index '%s'\n",
4543 progname, argv[0], optarg);
4546 if (param->fp_mirror_id != 0) {
4548 "%s %s: can't specify both mirror index and mirror ID\n",
4552 param->fp_check_mirror_index = 1;
4553 param->fp_exclude_mirror_index = !!neg_opt;
4555 case LFS_MIRROR_ID_OPT:
4556 if (optarg[0] == '+') {
4557 param->fp_mirror_id_sign = -1;
4559 } else if (optarg[0] == '-') {
4560 param->fp_mirror_id_sign = 1;
4564 param->fp_mirror_id = strtoul(optarg, &end, 0);
4565 if (*end != '\0' || (param->fp_mirror_id == 0 &&
4566 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
4568 "%s %s: invalid mirror ID '%s'\n",
4569 progname, argv[0], optarg);
4572 if (param->fp_mirror_index != 0) {
4574 "%s %s: can't specify both mirror index and mirror ID\n",
4578 param->fp_check_mirror_id = 1;
4579 param->fp_exclude_mirror_id = !!neg_opt;
4582 param->fp_max_depth = 0;
4585 param->fp_get_default_lmv = 1;
4588 if (optarg != NULL) {
4590 if (tmp[0] == '+') {
4591 param->fp_comp_end_sign = -1;
4593 } else if (tmp[0] == '-') {
4594 param->fp_comp_end_sign = 1;
4598 if (arg_is_eof(tmp)) {
4599 param->fp_comp_end = LUSTRE_EOF;
4600 param->fp_comp_end_units = 1;
4603 rc = llapi_parse_size(tmp,
4604 ¶m->fp_comp_end,
4605 ¶m->fp_comp_end_units, 0);
4608 fprintf(stderr, "error: %s bad "
4609 "component end '%s'.\n",
4613 param->fp_check_comp_end = 1;
4615 param->fp_verbose |= VERBOSE_COMP_END;
4616 param->fp_max_depth = 0;
4620 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4621 param->fp_verbose |= VERBOSE_DFID;
4622 param->fp_max_depth = 0;
4626 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4627 param->fp_verbose |= VERBOSE_GENERATION;
4628 param->fp_max_depth = 0;
4632 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4633 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
4634 param->fp_max_depth = 0;
4638 if (optarg != NULL) {
4639 param->fp_comp_id = strtoul(optarg, &end, 0);
4640 if (*end != '\0' || param->fp_comp_id == 0 ||
4641 param->fp_comp_id > LCME_ID_MAX) {
4642 fprintf(stderr, "error: %s bad "
4643 "component id '%s'\n",
4647 param->fp_check_comp_id = 1;
4650 param->fp_max_depth = 0;
4651 param->fp_verbose |= VERBOSE_COMP_ID;
4655 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4656 param->fp_verbose |= VERBOSE_PATTERN;
4657 param->fp_max_depth = 0;
4660 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4662 fprintf(stderr, "warning: '-M' deprecated"
4663 ", use '--mdt-index' or '-m' instead\n");
4666 if (!(param->fp_verbose & VERBOSE_DETAIL))
4667 param->fp_max_depth = 0;
4668 param->fp_verbose |= VERBOSE_MDTINDEX;
4671 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4672 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
4673 param->fp_max_depth = 0;
4677 if (param->fp_obd_uuid) {
4679 "error: %s: only one obduuid allowed",
4683 param->fp_obd_uuid = (struct obd_uuid *)optarg;
4686 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4687 param->fp_verbose |= VERBOSE_POOL;
4688 param->fp_max_depth = 0;
4695 param->fp_recursive = 1;
4701 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
4702 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
4703 param->fp_max_depth = 0;
4707 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
4717 if (pathstart == -1) {
4718 fprintf(stderr, "error: %s: no filename|pathname\n",
4721 } else if (pathend == -1) {
4729 if (param->fp_recursive)
4730 param->fp_max_depth = -1;
4731 else if (param->fp_verbose & VERBOSE_DETAIL)
4732 param->fp_max_depth = 1;
4734 if (!param->fp_verbose)
4735 param->fp_verbose = VERBOSE_DEFAULT;
4736 if (param->fp_quiet)
4737 param->fp_verbose = VERBOSE_OBJID;
4740 rc = llapi_getstripe(argv[pathstart], param);
4741 } while (++pathstart < pathend && !rc);
4744 fprintf(stderr, "error: %s failed for %s.\n",
4745 argv[0], argv[optind - 1]);
4749 static int lfs_tgts(int argc, char **argv)
4751 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
4752 struct find_param param;
4753 int index = 0, rc=0;
4758 if (argc == 2 && !realpath(argv[1], path)) {
4760 fprintf(stderr, "error: invalid path '%s': %s\n",
4761 argv[1], strerror(-rc));
4765 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
4766 /* Check if we have a mount point */
4767 if (mntdir[0] == '\0')
4770 memset(¶m, 0, sizeof(param));
4771 if (!strcmp(argv[0], "mdts"))
4772 param.fp_get_lmv = 1;
4774 rc = llapi_ostlist(mntdir, ¶m);
4776 fprintf(stderr, "error: %s: failed on %s\n",
4779 if (path[0] != '\0')
4781 memset(mntdir, 0, PATH_MAX);
4787 static int lfs_getstripe(int argc, char **argv)
4789 struct find_param param = { 0 };
4791 param.fp_max_depth = 1;
4792 return lfs_getstripe_internal(argc, argv, ¶m);
4796 static int lfs_getdirstripe(int argc, char **argv)
4798 struct find_param param = { 0 };
4799 struct option long_opts[] = {
4800 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
4801 { .val = 'D', .name = "default", .has_arg = no_argument },
4802 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
4803 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
4804 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4805 { .val = 'O', .name = "obd", .has_arg = required_argument },
4806 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4807 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
4808 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4809 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4813 param.fp_get_lmv = 1;
4815 while ((c = getopt_long(argc, argv,
4816 "cDHimO:rtTvy", long_opts, NULL)) != -1)
4821 param.fp_verbose |= VERBOSE_COUNT;
4824 param.fp_get_default_lmv = 1;
4828 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
4830 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
4832 fprintf(stderr, "warning: '-t' deprecated, "
4833 "use '--mdt-hash' or '-H' instead\n");
4836 param.fp_verbose |= VERBOSE_HASH_TYPE;
4839 if (param.fp_obd_uuid) {
4841 "error: %s: only one obduuid allowed",
4845 param.fp_obd_uuid = (struct obd_uuid *)optarg;
4848 param.fp_recursive = 1;
4851 param.fp_verbose |= VERBOSE_DETAIL;
4857 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
4858 progname, argv[0], argv[optind - 1]);
4866 if (param.fp_recursive)
4867 param.fp_max_depth = -1;
4869 if (!param.fp_verbose)
4870 param.fp_verbose = VERBOSE_DEFAULT;
4873 rc = llapi_getstripe(argv[optind], ¶m);
4874 } while (++optind < argc && !rc);
4877 fprintf(stderr, "error: %s failed for %s.\n",
4878 argv[0], argv[optind - 1]);
4883 MNTDF_INODES = 0x0001,
4884 MNTDF_COOKED = 0x0002,
4885 MNTDF_LAZY = 0x0004,
4886 MNTDF_VERBOSE = 0x0008,
4887 MNTDF_SHOW = 0x0010,
4890 #define COOK(value) \
4893 while (value > 1024) { \
4901 #define CDF "%11llu"
4902 #define HDF "%8.1f%c"
4906 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
4908 double avail, used, ratio = 0;
4911 avail = st->os_ffree;
4912 used = st->os_files - st->os_ffree;
4914 avail = st->os_bavail;
4915 used = st->os_blocks - st->os_bfree;
4917 if (avail + used > 0)
4918 ratio = used / (used + avail) * 100;
4920 /* Round up to match df(1) usage percentage */
4921 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
4924 /* This is only used to reflect various problem states for lfs df, so we only
4925 * translate the flags reflecting those states.
4927 static char obd_statfs_state_names[] = {
4928 [OS_STATE_DEGRADED] = 'D',
4929 [OS_STATE_READONLY] = 'R',
4930 [OS_STATE_NOPRECREATE] = 'N',
4931 [OS_STATE_ENOSPC] = 'S',
4932 [OS_STATE_ENOINO] = 'I',
4935 static char obd_statfs_state2char(int s)
4937 /* Not an error state, do not print here */
4938 if (s == OS_STATE_NONROT)
4941 if (s > ARRAY_SIZE(obd_statfs_state_names)/sizeof(char) ||
4942 obd_statfs_state_names[s] == 0)
4945 return obd_statfs_state_names[s];
4948 static int showdf(char *mntdir, struct obd_statfs *stat,
4949 char *uuid, enum mntdf_flags flags,
4950 char *type, int index, int rc)
4952 long long avail, used, total;
4954 char *suffix = "KMGTPEZY";
4955 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
4956 char tbuf[3 * sizeof(__u64)];
4957 char ubuf[3 * sizeof(__u64)];
4958 char abuf[3 * sizeof(__u64)];
4959 char rbuf[3 * sizeof(__u64)];
4966 if (flags & MNTDF_INODES) {
4967 avail = stat->os_ffree;
4968 used = stat->os_files - stat->os_ffree;
4969 total = stat->os_files;
4971 int shift = flags & MNTDF_COOKED ? 0 : 10;
4973 avail = (stat->os_bavail * stat->os_bsize) >> shift;
4974 used = ((stat->os_blocks - stat->os_bfree) *
4975 stat->os_bsize) >> shift;
4976 total = (stat->os_blocks * stat->os_bsize) >> shift;
4979 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
4981 if (flags & MNTDF_COOKED) {
4985 cook_val = (double)total;
4988 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
4991 snprintf(tbuf, sizeof(tbuf), CDF, total);
4993 cook_val = (double)used;
4996 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
4999 snprintf(ubuf, sizeof(ubuf), CDF, used);
5001 cook_val = (double)avail;
5004 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5007 snprintf(abuf, sizeof(abuf), CDF, avail);
5009 snprintf(tbuf, sizeof(tbuf), CDF, total);
5010 snprintf(ubuf, sizeof(tbuf), CDF, used);
5011 snprintf(abuf, sizeof(tbuf), CDF, avail);
5014 sprintf(rbuf, RDF, ratio);
5015 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5016 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5018 printf("[%s:%d]", type, index);
5020 if (stat->os_state) {
5025 for (i = 0, state = stat->os_state; state != 0; i++) {
5026 uint32_t mask = 1 << i;
5027 if (!(state & mask))
5029 printf("%c", obd_statfs_state2char(mask));
5037 printf(UUF": inactive device\n", uuid);
5040 printf(UUF": %s\n", uuid, strerror(-rc));
5047 struct ll_stat_type {
5052 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5054 struct ll_statfs_data {
5056 struct obd_statfs sd_st;
5059 struct ll_statfs_buf {
5061 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5064 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5065 int ops, struct ll_statfs_buf *lsb)
5067 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5068 struct obd_uuid uuid_buf;
5069 char *poolname = NULL;
5070 struct ll_stat_type types[] = {
5071 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5072 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5073 { .st_name = NULL } };
5074 struct ll_stat_type *tp;
5075 __u64 ost_files = 0;
5076 __u64 ost_ffree = 0;
5084 poolname = strchr(pool, '.');
5085 if (poolname != NULL) {
5086 if (strncmp(fsname, pool, strlen(fsname))) {
5087 fprintf(stderr, "filesystem name incorrect\n");
5095 fd = open(mntdir, O_RDONLY);
5098 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5103 if (flags & MNTDF_SHOW) {
5104 if (flags & MNTDF_INODES)
5105 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5106 "UUID", "Inodes", "IUsed", "IFree",
5107 "IUse%", "Mounted on");
5109 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5111 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5112 "Used", "Available", "Use%", "Mounted on");
5115 for (tp = types; tp->st_name != NULL; tp++) {
5116 bool have_ost = false;
5118 if (!(tp->st_op & ops))
5121 for (index = 0; ; index++) {
5122 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5123 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5124 type = flags & MNTDF_LAZY ?
5125 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5126 rc2 = llapi_obd_fstatfs(fd, type, index,
5127 &stat_buf, &uuid_buf);
5132 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5133 if (!(flags & MNTDF_VERBOSE))
5135 } else if (rc2 < 0 && rc == 0) {
5139 /* If we have OSTs then don't report MDT block counts.
5140 * For MDT-only filesystems the expectation is that all
5141 * layouts have a DoM component. For filesystems with
5142 * OSTs, files are not necessarily going to store data
5143 * on MDTs, and MDT space is limited to a fraction of
5144 * OST space, so don't include it in the summary.
5146 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5153 if (poolname && tp->st_op == LL_STATFS_LOV &&
5154 llapi_search_ost(fsname, poolname,
5155 obd_uuid2str(&uuid_buf)) != 1)
5158 /* the llapi_obd_statfs() call may have returned with
5159 * an error, but if it filled in uuid_buf we will at
5160 * lease use that to print out a message for that OBD.
5161 * If we didn't get anything in the uuid_buf, then fill
5162 * it in so that we can print an error message. */
5163 if (uuid_buf.uuid[0] == '\0')
5164 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5165 "%s%04x", tp->st_name, index);
5167 lsb->sb_buf[lsb->sb_count].sd_index = index;
5168 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5171 if (flags & MNTDF_SHOW)
5172 showdf(mntdir, &stat_buf,
5173 obd_uuid2str(&uuid_buf), flags,
5174 tp->st_name, index, rc2);
5179 if (tp->st_op == LL_STATFS_LMV) {
5180 sum.os_ffree += stat_buf.os_ffree;
5181 sum.os_files += stat_buf.os_files;
5182 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5183 ost_files += stat_buf.os_files;
5184 ost_ffree += stat_buf.os_ffree;
5186 sum.os_blocks += stat_buf.os_blocks *
5188 sum.os_bfree += stat_buf.os_bfree *
5190 sum.os_bavail += stat_buf.os_bavail *
5197 /* If we have _some_ OSTs, but don't have as many free objects on the
5198 * OST as inodes on the MDTs, reduce the reported number of inodes
5199 * to compensate, so that the "inodes in use" number is correct.
5200 * This should be kept in sync with ll_statfs_internal().
5202 if (ost_files && ost_ffree < sum.os_ffree) {
5203 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5204 sum.os_ffree = ost_ffree;
5206 if (flags & MNTDF_SHOW) {
5208 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5215 static int ll_statfs_data_comp(const void *sd1, const void *sd2)
5217 const struct obd_statfs *st1 = &((const struct ll_statfs_data *)sd1)->
5219 const struct obd_statfs *st2 = &((const struct ll_statfs_data *)sd2)->
5221 int r1 = obd_statfs_ratio(st1, false);
5222 int r2 = obd_statfs_ratio(st2, false);
5223 int64_t result = r1 - r2;
5225 /* if both space usage are above 90, compare free inodes */
5226 if (r1 > 90 && r2 > 90)
5227 result = st2->os_ffree - st1->os_ffree;
5231 else if (result == 0)
5238 static int lfs_setdirstripe(int argc, char **argv)
5241 struct lfs_setstripe_args lsa = { 0 };
5242 struct llapi_stripe_param *param = NULL;
5243 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5246 char *mode_opt = NULL;
5247 bool default_stripe = false;
5248 bool delete = false;
5249 bool auto_distributed = false;
5250 bool foreign_mode = false;
5251 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5252 mode_t previous_mode = 0;
5253 struct ll_statfs_buf *lsb = NULL;
5254 char mntdir[PATH_MAX] = "";
5256 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5257 struct option long_opts[] = {
5258 { .val = 'c', .name = "count", .has_arg = required_argument },
5259 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5260 { .val = 'd', .name = "delete", .has_arg = no_argument },
5261 { .val = 'D', .name = "default", .has_arg = no_argument },
5262 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5263 { .val = LFS_LAYOUT_FLAGS_OPT,
5264 .name = "flags", .has_arg = required_argument },
5265 { .val = LFS_LAYOUT_FOREIGN_OPT,
5266 .name = "foreign", .has_arg = optional_argument},
5267 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5268 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5269 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5270 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5272 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5273 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5275 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5276 { .val = 'i', .name = "index", .has_arg = required_argument },
5278 { .val = 'o', .name = "mode", .has_arg = required_argument },
5279 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5280 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5282 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5283 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5284 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5288 setstripe_args_init(&lsa);
5290 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5291 long_opts, NULL)) >= 0) {
5298 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5301 "%s %s: invalid stripe count '%s'\n",
5302 progname, argv[0], optarg);
5308 default_stripe = true;
5311 default_stripe = true;
5313 case LFS_LAYOUT_FOREIGN_OPT:
5314 if (optarg != NULL) {
5315 /* check pure numeric */
5316 type = strtoul(optarg, &end, 0);
5319 type = check_foreign_type_name(optarg);
5320 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5322 "%s %s: unknown foreign type '%s'\n",
5329 foreign_mode = true;
5331 case LFS_LAYOUT_FLAGS_OPT:
5332 flags = strtoul(optarg, &end, 16);
5335 "%s %s: bad flags '%s'\n",
5336 progname, argv[0], optarg);
5340 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5342 fprintf(stderr, "warning: '--hash-type' and '-t' "
5343 "deprecated, use '--mdt-hash' or '-H' instead\n");
5346 lsa.lsa_pattern = check_hashtype(optarg);
5347 if (lsa.lsa_pattern == 0) {
5349 "%s %s: bad stripe hash type '%s'\n",
5350 progname, argv[0], optarg);
5355 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5358 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5359 if (strcmp(argv[optind - 1], "--index") == 0)
5361 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5364 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
5365 lsa.lsa_nr_tgts = parse_targets(mdts,
5366 sizeof(mdts) / sizeof(__u32),
5367 lsa.lsa_nr_tgts, optarg, NULL);
5368 if (lsa.lsa_nr_tgts < 0) {
5370 "%s %s: invalid MDT target(s) '%s'\n",
5371 progname, argv[0], optarg);
5374 lsa.lsa_pattern = 0;
5376 lsa.lsa_tgts = mdts;
5377 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5378 lsa.lsa_stripe_off = mdts[0];
5380 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5382 fprintf(stderr, "warning: '-m' is deprecated, "
5383 "use '--mode' or '-o' instead\n");
5392 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5393 progname, argv[0], argv[optind - 1]);
5398 if (optind == argc) {
5399 fprintf(stderr, "%s %s: DIR must be specified\n",
5404 if (xattr && !foreign_mode) {
5405 /* only print a warning as this is armless and will be
5409 "%s %s: xattr has been specified for non-foreign layout\n",
5411 } else if (foreign_mode && !xattr) {
5413 "%s %s: xattr must be provided in foreign mode\n",
5418 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
5419 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
5421 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
5426 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5427 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
5429 "%s %s: stripe offset and count must be specified\n",
5435 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5436 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5438 "%s %s: cannot specify -d with -c or -i options\n",
5443 if (mode_opt != NULL) {
5444 mode = strtoul(mode_opt, &end, 8);
5447 "%s %s: bad MODE '%s'\n",
5448 progname, argv[0], mode_opt);
5451 previous_mode = umask(0);
5454 /* foreign LMV/dir case */
5456 if (argc > optind + 1) {
5458 "%s %s: cannot specify multiple foreign dirs\n",
5463 dname = argv[optind];
5464 result = llapi_dir_create_foreign(dname, mode, type, flags,
5468 "%s mkdir: can't create foreign dir '%s': %s\n",
5469 progname, dname, strerror(-result));
5474 * initialize stripe parameters, in case param is converted to specific,
5475 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
5477 param = calloc(1, offsetof(typeof(*param),
5478 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
5479 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
5480 if (param == NULL) {
5482 "%s %s: cannot allocate memory for parameters: %s\n",
5483 progname, argv[0], strerror(ENOMEM));
5487 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
5488 param->lsp_stripe_count = lsa.lsa_stripe_count;
5489 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5490 param->lsp_stripe_offset = -1;
5492 param->lsp_stripe_offset = lsa.lsa_stripe_off;
5493 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
5494 param->lsp_stripe_pattern = lsa.lsa_pattern;
5496 param->lsp_stripe_pattern = LMV_HASH_TYPE_FNV_1A_64;
5497 param->lsp_pool = lsa.lsa_pool_name;
5498 param->lsp_is_specific = false;
5499 if (lsa.lsa_nr_tgts > 1) {
5500 if (lsa.lsa_stripe_count > 0 &&
5501 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
5502 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
5503 fprintf(stderr, "error: %s: stripe count %lld doesn't "
5504 "match the number of MDTs: %d\n",
5505 argv[0], lsa.lsa_stripe_count, lsa.lsa_nr_tgts);
5510 param->lsp_is_specific = true;
5511 param->lsp_stripe_count = lsa.lsa_nr_tgts;
5512 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
5515 if (!default_stripe && lsa.lsa_pattern == LMV_HASH_TYPE_SPACE) {
5516 fprintf(stderr, "%s %s: can only specify -H space with -D\n",
5522 dname = argv[optind];
5524 if (default_stripe) {
5525 result = llapi_dir_set_default_lmv(dname, param);
5528 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
5529 progname, dname, strerror(-result));
5534 * if current \a dname isn't under the same \a mntdir as the
5535 * last one, and the last one was auto-distributed, restore
5538 if (mntdir[0] != '\0' &&
5539 strncmp(dname, mntdir, strlen(mntdir)) &&
5541 param->lsp_is_specific = false;
5542 param->lsp_stripe_offset = -1;
5543 auto_distributed = false;
5547 * TODO: when MDT can allocate object with QoS (LU-9435), below
5548 * code should be removed, instead we should let LMV to allocate
5549 * the starting MDT object, and then let LOD allocate other MDT
5552 if (!param->lsp_is_specific && param->lsp_stripe_offset == -1) {
5553 char path[PATH_MAX] = "";
5556 lsb = malloc(sizeof(*lsb));
5564 /* use mntdir for dirname() temporarily */
5565 strncpy(mntdir, dname, sizeof(mntdir));
5566 if (!realpath(dirname(mntdir), path)) {
5569 "error: invalid path '%s': %s\n",
5570 argv[optind], strerror(errno));
5575 result = llapi_search_mounts(path, 0, mntdir, NULL);
5576 if (result < 0 || mntdir[0] == '\0') {
5578 "No suitable Lustre mount found\n");
5582 result = mntdf(mntdir, NULL, NULL, 0, LL_STATFS_LMV,
5587 if (param->lsp_stripe_count > lsb->sb_count) {
5589 "error: stripe count %d is too big\n",
5590 param->lsp_stripe_count);
5595 qsort(lsb->sb_buf, lsb->sb_count,
5596 sizeof(struct ll_statfs_data),
5597 ll_statfs_data_comp);
5599 auto_distributed = true;
5602 if (auto_distributed) {
5604 int nr = MAX(param->lsp_stripe_count,
5607 /* don't use server whose usage is above 90% */
5608 while (nr != param->lsp_stripe_count &&
5609 obd_statfs_ratio(&lsb->sb_buf[nr].sd_st, false) >
5611 nr = MAX(param->lsp_stripe_count, nr / 2);
5613 /* get \a r between [0, nr) */
5616 param->lsp_stripe_offset = lsb->sb_buf[r].sd_index;
5617 if (param->lsp_stripe_count > 1) {
5620 param->lsp_is_specific = true;
5621 for (; i < param->lsp_stripe_count; i++)
5622 param->lsp_tgts[(i + r) % nr] =
5623 lsb->sb_buf[i].sd_index;
5627 result = llapi_dir_create(dname, mode, param);
5630 "%s setdirstripe: cannot create dir '%s': %s\n",
5631 progname, dname, strerror(-result));
5632 } while (!result && (dname = argv[++optind]));
5634 if (mode_opt != NULL)
5635 umask(previous_mode);
5643 static int lfs_rmentry(int argc, char **argv)
5650 fprintf(stderr, "error: %s: missing dirname\n",
5656 dname = argv[index];
5657 while (dname != NULL) {
5658 result = llapi_direntry_remove(dname);
5660 fprintf(stderr, "error: %s: remove dir entry '%s' "
5661 "failed\n", argv[0], dname);
5664 dname = argv[++index];
5669 static int lfs_mv(int argc, char **argv)
5671 struct lmv_user_md lmu = { LMV_USER_MAGIC };
5672 struct find_param param = {
5679 struct option long_opts[] = {
5680 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5681 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5682 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5685 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
5687 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5689 fprintf(stderr, "warning: '-M' deprecated"
5690 ", use '--mdt-index' or '-m' instead\n");
5693 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
5695 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
5701 param.fp_verbose = VERBOSE_DETAIL;
5704 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
5705 progname, argv[optind - 1]);
5710 if (lmu.lum_stripe_offset == -1) {
5711 fprintf(stderr, "%s mv: MDT index must be specified\n",
5716 if (optind >= argc) {
5717 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
5722 /* initialize migrate mdt parameters */
5723 param.fp_lmv_md = &lmu;
5724 param.fp_migrate = 1;
5725 rc = llapi_migrate_mdt(argv[optind], ¶m);
5727 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
5728 progname, argv[optind], param.fp_mdt_index,
5733 static int lfs_osts(int argc, char **argv)
5735 return lfs_tgts(argc, argv);
5738 static int lfs_mdts(int argc, char **argv)
5740 return lfs_tgts(argc, argv);
5743 static int lfs_df(int argc, char **argv)
5745 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5746 enum mntdf_flags flags = MNTDF_SHOW;
5747 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
5748 int c, rc = 0, index = 0;
5749 char fsname[PATH_MAX] = "", *pool_name = NULL;
5750 struct option long_opts[] = {
5751 { .val = 'h', .name = "human-readable",
5752 .has_arg = no_argument },
5753 { .val = 'i', .name = "inodes", .has_arg = no_argument },
5754 { .val = 'l', .name = "lazy", .has_arg = no_argument },
5755 { .val = 'p', .name = "pool", .has_arg = required_argument },
5756 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5759 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
5762 flags |= MNTDF_COOKED;
5765 flags |= MNTDF_INODES;
5768 flags |= MNTDF_LAZY;
5774 flags |= MNTDF_VERBOSE;
5780 if (optind < argc && !realpath(argv[optind], path)) {
5782 fprintf(stderr, "error: invalid path '%s': %s\n",
5783 argv[optind], strerror(-rc));
5787 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5788 /* Check if we have a mount point */
5789 if (mntdir[0] == '\0')
5792 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
5793 if (rc || path[0] != '\0')
5795 fsname[0] = '\0'; /* avoid matching in next loop */
5796 mntdir[0] = '\0'; /* avoid matching in next loop */
5802 static int print_instance(const char *mntdir, char *fsname, size_t fsnamelen,
5803 bool opt_instance, bool opt_fsname, bool opt_mntdir)
5807 /* llapi_search_mounts() fills "fsname", but that is not called if
5808 * explicit paths are specified on the command-line
5810 if (opt_instance || (opt_fsname && fsname[0] == '\0')) {
5811 int rc = llapi_getname(mntdir, fsname, fsnamelen);
5814 fprintf(stderr, "cannot get instance for '%s': %s\n",
5815 mntdir, strerror(-rc));
5819 if (!opt_instance) {
5820 /* print only the fsname name */
5821 buf = strchr(fsname, '-');
5825 } else if (!opt_fsname) {
5826 /* print only the instance name */
5827 buf = strchr(fsname, '-');
5833 } else if (opt_fsname) {
5834 /* print only the fsname */
5838 printf("%s %s\n", buf, opt_mntdir ? mntdir : "");
5843 static int lfs_getname(int argc, char **argv)
5845 struct option long_opts[] = {
5846 { .val = 'h', .name = "help", .has_arg = no_argument },
5847 { .val = 'i', .name = "instance", .has_arg = no_argument },
5848 { .val = 'n', .name = "fsname", .has_arg = no_argument },
5850 bool opt_instance = false, opt_fsname = false;
5851 char fsname[PATH_MAX] = "";
5854 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
5857 opt_instance = true;
5868 /* If neither option is given, print both instance and fsname */
5869 if (!opt_instance && !opt_fsname)
5870 opt_instance = opt_fsname = true;
5872 if (optind == argc) { /* no paths specified, get all paths. */
5873 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
5876 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
5877 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
5878 opt_instance, opt_fsname, true);
5881 path[0] = fsname[0] = mntdir[0] = '\0';
5883 } else { /* paths specified, only attempt to search these. */
5886 /* if only one path is given, print only requested info */
5887 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
5889 for (; optind < argc; optind++) {
5890 rc2 = print_instance(argv[optind], fsname,
5891 sizeof(fsname), opt_instance,
5892 opt_fsname, opt_mntdir);
5902 static int lfs_check(int argc, char **argv)
5904 char mntdir[PATH_MAX] = {'\0'};
5913 fprintf(stderr, "%s check: server type must be specified\n",
5918 obd_types[0] = obd_type1;
5919 obd_types[1] = obd_type2;
5920 obd_types[2] = obd_type3;
5922 if (strcmp(argv[1], "osts") == 0) {
5923 strcpy(obd_types[0], "osc");
5924 } else if (strcmp(argv[1], "mdts") == 0 ||
5925 strcmp(argv[1], "mds") == 0) {
5926 strcpy(obd_types[0], "mdc");
5927 } else if (strcmp(argv[1], "mgts") == 0) {
5928 strcpy(obd_types[0], "mgc");
5929 } else if (strcmp(argv[1], "all") == 0 ||
5930 strcmp(argv[1], "servers") == 0) {
5932 strcpy(obd_types[0], "osc");
5933 strcpy(obd_types[1], "mdc");
5934 strcpy(obd_types[2], "mgc");
5936 fprintf(stderr, "%s check: unrecognized option '%s'\n",
5941 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
5942 if (rc < 0 || mntdir[0] == '\0') {
5944 "%s check: cannot find mounted Lustre filesystem: %s\n",
5945 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
5949 rc = llapi_target_check(num_types, obd_types, mntdir);
5951 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
5952 progname, argv[1], strerror(-rc));
5958 #ifdef HAVE_SYS_QUOTA_H
5959 #define ARG2INT(nr, str, msg) \
5962 nr = strtol(str, &endp, 0); \
5963 if (*endp != '\0') { \
5964 fprintf(stderr, "%s: bad %s '%s'\n", \
5965 progname, msg, str); \
5970 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
5972 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
5973 * returns the value or ULONG_MAX on integer overflow or incorrect format
5975 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
5976 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
5977 * 3. empty integer value is interpreted as 0
5979 static unsigned long str2sec(const char* timestr)
5981 const char spec[] = "smhdw";
5982 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
5983 unsigned long val = 0;
5986 if (strpbrk(timestr, spec) == NULL) {
5987 /* no specifiers inside the time string,
5988 should treat it as an integer value */
5989 val = strtoul(timestr, &tail, 10);
5990 return *tail ? ULONG_MAX : val;
5993 /* format string is XXwXXdXXhXXmXXs */
5999 v = strtoul(timestr, &tail, 10);
6000 if (v == ULONG_MAX || *tail == '\0')
6001 /* value too large (ULONG_MAX or more)
6002 or missing specifier */
6005 ptr = strchr(spec, *tail);
6007 /* unknown specifier */
6012 /* check if product will overflow the type */
6013 if (!(v < ULONG_MAX / mult[ind]))
6016 ADD_OVERFLOW(val, mult[ind] * v);
6017 if (val == ULONG_MAX)
6029 #define ARG2ULL(nr, str, def_units) \
6031 unsigned long long limit, units = def_units; \
6034 rc = llapi_parse_size(str, &limit, &units, 1); \
6036 fprintf(stderr, "%s: invalid limit '%s'\n", \
6043 static inline int has_times_option(int argc, char **argv)
6047 for (i = 1; i < argc; i++)
6048 if (!strcmp(argv[i], "-t"))
6054 int lfs_setquota_times(int argc, char **argv)
6057 struct if_quotactl qctl;
6058 char *mnt, *obd_type = (char *)qctl.obd_type;
6059 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6060 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
6061 struct option long_opts[] = {
6062 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6063 { .val = 'g', .name = "group", .has_arg = no_argument },
6064 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6065 { .val = 'p', .name = "projid", .has_arg = no_argument },
6066 { .val = 't', .name = "times", .has_arg = no_argument },
6067 { .val = 'u', .name = "user", .has_arg = no_argument },
6071 memset(&qctl, 0, sizeof(qctl));
6072 qctl.qc_cmd = LUSTRE_Q_SETINFO;
6073 qctl.qc_type = ALLQUOTA;
6075 while ((c = getopt_long(argc, argv, "b:gi:ptu",
6076 long_opts, NULL)) != -1) {
6087 if (qctl.qc_type != ALLQUOTA) {
6088 fprintf(stderr, "error: -u/g/p can't be used "
6089 "more than once\n");
6092 qctl.qc_type = qtype;
6095 if ((dqi->dqi_bgrace = str2sec(optarg)) == ULONG_MAX) {
6096 fprintf(stderr, "error: bad block-grace: %s\n",
6100 dqb->dqb_valid |= QIF_BTIME;
6103 if ((dqi->dqi_igrace = str2sec(optarg)) == ULONG_MAX) {
6104 fprintf(stderr, "error: bad inode-grace: %s\n",
6108 dqb->dqb_valid |= QIF_ITIME;
6110 case 't': /* Yes, of course! */
6112 default: /* getopt prints error message for us when opterr != 0 */
6117 if (qctl.qc_type == ALLQUOTA) {
6118 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6122 if (optind != argc - 1) {
6123 fprintf(stderr, "error: unexpected parameters encountered\n");
6127 if ((dqb->dqb_valid | QIF_BTIME && dqi->dqi_bgrace >= UINT_MAX) ||
6128 (dqb->dqb_valid | QIF_ITIME && dqi->dqi_igrace >= UINT_MAX)) {
6129 fprintf(stderr, "error: grace time is too large\n");
6134 rc = llapi_quotactl(mnt, &qctl);
6137 fprintf(stderr, "%s %s ", obd_type,
6138 obd_uuid2str(&qctl.obd_uuid));
6139 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6146 #define BSLIMIT (1 << 0)
6147 #define BHLIMIT (1 << 1)
6148 #define ISLIMIT (1 << 2)
6149 #define IHLIMIT (1 << 3)
6151 int lfs_setquota(int argc, char **argv)
6154 struct if_quotactl qctl;
6155 char *mnt, *obd_type = (char *)qctl.obd_type;
6156 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6157 struct option long_opts[] = {
6158 { .val = 'b', .name = "block-softlimit",
6159 .has_arg = required_argument },
6160 { .val = 'B', .name = "block-hardlimit",
6161 .has_arg = required_argument },
6162 { .val = 'd', .name = "default", .has_arg = no_argument },
6163 { .val = 'g', .name = "group", .has_arg = required_argument },
6164 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6165 { .val = 'i', .name = "inode-softlimit",
6166 .has_arg = required_argument },
6167 { .val = 'I', .name = "inode-hardlimit",
6168 .has_arg = required_argument },
6169 { .val = 'p', .name = "projid", .has_arg = required_argument },
6170 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6171 { .val = 'u', .name = "user", .has_arg = required_argument },
6172 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6174 unsigned limit_mask = 0;
6176 bool use_default = false;
6179 if (has_times_option(argc, argv))
6180 return lfs_setquota_times(argc, argv);
6182 memset(&qctl, 0, sizeof(qctl));
6183 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
6184 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6185 * so it can be used as a marker that qc_type
6186 * isn't reinitialized from command line */
6188 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
6189 long_opts, NULL)) != -1) {
6192 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6195 goto quota_type_def;
6198 rc = name2uid(&qctl.qc_id, optarg);
6201 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6204 goto quota_type_def;
6207 rc = name2gid(&qctl.qc_id, optarg);
6210 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6213 goto quota_type_def;
6216 rc = name2projid(&qctl.qc_id, optarg);
6219 qctl.qc_id = strtoul(optarg, &endptr, 10);
6220 if (*endptr != '\0') {
6221 fprintf(stderr, "%s setquota: invalid"
6222 " id '%s'\n", progname, optarg);
6227 if (qctl.qc_id == 0) {
6228 fprintf(stderr, "%s setquota: can't set quota"
6229 " for root usr/group/project.\n",
6235 if (qctl.qc_type != ALLQUOTA) {
6237 "%s setquota: only one of -u, -U, -g,"
6238 " -G, -p or -P may be specified\n",
6242 qctl.qc_type = qtype;
6245 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6249 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6250 dqb->dqb_bsoftlimit >>= 10;
6251 limit_mask |= BSLIMIT;
6252 if (dqb->dqb_bsoftlimit &&
6253 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6255 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6256 "See '%s help setquota' or Lustre manual for details\n",
6257 progname, dqb->dqb_bsoftlimit,
6261 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6262 dqb->dqb_bhardlimit >>= 10;
6263 limit_mask |= BHLIMIT;
6264 if (dqb->dqb_bhardlimit &&
6265 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6267 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6268 "See '%s help setquota' or Lustre manual for details\n",
6269 progname, dqb->dqb_bhardlimit,
6273 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6274 limit_mask |= ISLIMIT;
6275 if (dqb->dqb_isoftlimit &&
6276 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6278 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6279 "See '%s help setquota' or Lustre manual for details\n",
6280 progname, dqb->dqb_isoftlimit,
6284 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6285 limit_mask |= IHLIMIT;
6286 if (dqb->dqb_ihardlimit &&
6287 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6289 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6290 "See '%s help setquota' or Lustre manual for details\n",
6291 progname, dqb->dqb_ihardlimit,
6296 "%s setquota: unrecognized option '%s'\n",
6297 progname, argv[optind - 1]);
6302 if (qctl.qc_type == ALLQUOTA) {
6304 "%s setquota: either -u or -g must be specified\n",
6309 if (!use_default && limit_mask == 0) {
6311 "%s setquota: at least one limit must be specified\n",
6316 if (use_default && limit_mask != 0) {
6318 "%s setquota: limits should not be specified when"
6319 " using default quota\n",
6324 if (use_default && qctl.qc_id == 0) {
6326 "%s setquota: can not set default quota for root"
6327 " user/group/project\n",
6332 if (optind != argc - 1) {
6334 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6335 progname, argv[optind]);
6342 dqb->dqb_bhardlimit = 0;
6343 dqb->dqb_bsoftlimit = 0;
6344 dqb->dqb_ihardlimit = 0;
6345 dqb->dqb_isoftlimit = 0;
6348 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6349 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6350 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6351 /* sigh, we can't just set blimits/ilimits */
6352 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6353 .qc_type = qctl.qc_type,
6354 .qc_id = qctl.qc_id};
6356 rc = llapi_quotactl(mnt, &tmp_qctl);
6360 if (!(limit_mask & BHLIMIT))
6361 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6362 if (!(limit_mask & BSLIMIT))
6363 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6364 if (!(limit_mask & IHLIMIT))
6365 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6366 if (!(limit_mask & ISLIMIT))
6367 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6369 /* Keep grace times if we have got no softlimit arguments */
6370 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6371 dqb->dqb_valid |= QIF_BTIME;
6372 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6375 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6376 dqb->dqb_valid |= QIF_ITIME;
6377 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6381 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6382 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6384 rc = llapi_quotactl(mnt, &qctl);
6388 "%s setquota: cannot quotactl '%s' '%s': %s",
6390 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6397 /* Converts seconds value into format string
6398 * result is returned in buf
6400 * 1. result is in descenting order: 1w2d3h4m5s
6401 * 2. zero fields are not filled (except for p. 3): 5d1s
6402 * 3. zero seconds value is presented as "0s"
6404 static char * __sec2str(time_t seconds, char *buf)
6406 const char spec[] = "smhdw";
6407 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6412 for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
6413 c = seconds / mult[i];
6415 if (c > 0 || (i == 0 && buf == tail))
6416 tail += snprintf(tail, 40-(tail-buf), "%lu%c", c, spec[i]);
6424 static void sec2str(time_t seconds, char *buf, int rc)
6431 tail = __sec2str(seconds, tail);
6433 if (rc && tail - buf < 39) {
6439 static void diff2str(time_t seconds, char *buf, time_t now)
6445 if (seconds <= now) {
6446 strcpy(buf, "none");
6449 __sec2str(seconds - now, buf);
6452 static void print_quota_title(char *name, struct if_quotactl *qctl,
6453 bool human_readable, bool show_default)
6456 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6457 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6458 "Filesystem", "bquota", "blimit", "bgrace",
6459 "iquota", "ilimit", "igrace");
6461 printf("Disk quotas for %s %s (%cid %u):\n",
6462 qtype_name(qctl->qc_type), name,
6463 *qtype_name(qctl->qc_type), qctl->qc_id);
6464 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6465 "Filesystem", human_readable ? "used" : "kbytes",
6466 "quota", "limit", "grace",
6467 "files", "quota", "limit", "grace");
6471 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6474 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6477 snprintf(buf, buflen, "%5.4gP",
6478 (double)num / ((__u64)1 << 40));
6480 snprintf(buf, buflen, "%5.4gT",
6481 (double)num / (1 << 30));
6483 snprintf(buf, buflen, "%5.4gG",
6484 (double)num / (1 << 20));
6486 snprintf(buf, buflen, "%5.4gM",
6487 (double)num / (1 << 10));
6489 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6493 #define STRBUF_LEN 32
6494 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6495 int rc, bool h, bool show_default)
6501 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6502 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6503 int bover = 0, iover = 0;
6504 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6505 char numbuf[3][STRBUF_LEN];
6507 char strbuf[STRBUF_LEN];
6509 if (dqb->dqb_bhardlimit &&
6510 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6512 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6513 if (dqb->dqb_btime > now) {
6520 if (dqb->dqb_ihardlimit &&
6521 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6523 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6524 if (dqb->dqb_itime > now) {
6532 if (strlen(mnt) > 15)
6533 printf("%s\n%15s", mnt, "");
6535 printf("%15s", mnt);
6538 diff2str(dqb->dqb_btime, timebuf, now);
6539 else if (show_default)
6540 snprintf(timebuf, sizeof(timebuf), "%llu",
6543 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6544 strbuf, sizeof(strbuf), h);
6545 if (rc == -EREMOTEIO)
6546 sprintf(numbuf[0], "%s*", strbuf);
6548 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6549 "%s" : "[%s]", strbuf);
6551 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6552 if (type == QC_GENERAL)
6553 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6554 "%s" : "[%s]", strbuf);
6556 sprintf(numbuf[1], "%s", "-");
6558 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6559 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6560 "%s" : "[%s]", strbuf);
6563 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6565 printf(" %7s%c %6s %7s %7s",
6566 numbuf[0], bover ? '*' : ' ', numbuf[1],
6567 numbuf[2], bover > 1 ? timebuf : "-");
6571 diff2str(dqb->dqb_itime, timebuf, now);
6572 else if (show_default)
6573 snprintf(timebuf, sizeof(timebuf), "%llu",
6576 snprintf(numbuf[0], sizeof(numbuf),
6577 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
6578 (uintmax_t)dqb->dqb_curinodes);
6580 if (type == QC_GENERAL)
6581 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
6583 (uintmax_t)dqb->dqb_isoftlimit);
6585 sprintf(numbuf[1], "%s", "-");
6587 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
6588 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
6591 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6592 else if (type != QC_OSTIDX)
6593 printf(" %7s%c %6s %7s %7s",
6594 numbuf[0], iover ? '*' : ' ', numbuf[1],
6595 numbuf[2], iover > 1 ? timebuf : "-");
6597 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
6600 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
6601 qctl->qc_cmd == Q_GETOINFO) {
6605 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
6606 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
6607 printf("Block grace time: %s; Inode grace time: %s\n",
6608 bgtimebuf, igtimebuf);
6612 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
6613 bool h, __u64 *total)
6615 int rc = 0, rc1 = 0, count = 0;
6616 __u32 valid = qctl->qc_valid;
6618 rc = llapi_get_obd_count(mnt, &count, is_mdt);
6620 fprintf(stderr, "can not get %s count: %s\n",
6621 is_mdt ? "mdt": "ost", strerror(-rc));
6625 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
6626 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
6627 rc = llapi_quotactl(mnt, qctl);
6629 /* It is remote client case. */
6630 if (rc == -EOPNOTSUPP) {
6637 fprintf(stderr, "quotactl %s%d failed.\n",
6638 is_mdt ? "mdt": "ost", qctl->qc_idx);
6642 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
6643 qctl->qc_valid, 0, h, false);
6644 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
6645 qctl->qc_dqblk.dqb_bhardlimit;
6648 qctl->qc_valid = valid;
6652 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
6653 int verbose, int quiet, bool human_readable,
6656 int rc1 = 0, rc2 = 0, rc3 = 0;
6657 char *obd_type = (char *)qctl->obd_type;
6658 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
6659 __u64 total_ialloc = 0, total_balloc = 0;
6660 bool use_default_for_blk = false;
6661 bool use_default_for_file = false;
6664 rc1 = llapi_quotactl(mnt, qctl);
6668 fprintf(stderr, "%s quotas are not enabled.\n",
6669 qtype_name(qctl->qc_type));
6672 fprintf(stderr, "Permission denied.\n");
6675 /* We already got error message. */
6678 fprintf(stderr, "Unexpected quotactl error: %s\n",
6683 if (!show_default && qctl->qc_id == 0) {
6684 qctl->qc_dqblk.dqb_bhardlimit = 0;
6685 qctl->qc_dqblk.dqb_bsoftlimit = 0;
6686 qctl->qc_dqblk.dqb_ihardlimit = 0;
6687 qctl->qc_dqblk.dqb_isoftlimit = 0;
6688 qctl->qc_dqblk.dqb_btime = 0;
6689 qctl->qc_dqblk.dqb_itime = 0;
6690 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
6693 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
6694 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
6695 use_default_for_blk = true;
6696 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
6699 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
6700 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
6701 use_default_for_file = true;
6702 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
6705 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
6706 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
6707 print_quota_title(name, qctl, human_readable, show_default);
6709 if (rc1 && *obd_type)
6710 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
6712 if (qctl->qc_valid != QC_GENERAL)
6715 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
6716 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
6717 (QIF_LIMITS|QIF_USAGE));
6719 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
6721 if (!show_default && verbose &&
6722 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
6723 char strbuf[STRBUF_LEN];
6725 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
6727 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
6729 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
6731 printf("Total allocated inode limit: %ju, total "
6732 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
6736 if (use_default_for_blk)
6737 printf("%cid %u is using default block quota setting\n",
6738 *qtype_name(qctl->qc_type), qctl->qc_id);
6740 if (use_default_for_file)
6741 printf("%cid %u is using default file quota setting\n",
6742 *qtype_name(qctl->qc_type), qctl->qc_id);
6744 if (rc1 || rc2 || rc3 || inacc)
6745 printf("Some errors happened when getting quota info. "
6746 "Some devices may be not working or deactivated. "
6747 "The data in \"[]\" is inaccurate.\n");
6753 static int lfs_project(int argc, char **argv)
6755 int ret = 0, err = 0, c, i;
6756 struct project_handle_control phc = { 0 };
6757 enum lfs_project_ops_t op;
6760 phc.assign_projid = false;
6761 /* default action */
6762 op = LFS_PROJECT_LIST;
6764 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
6767 if (op != LFS_PROJECT_LIST) {
6769 "%s: cannot specify '-c' '-C' '-s' together\n",
6774 op = LFS_PROJECT_CHECK;
6777 if (op != LFS_PROJECT_LIST) {
6779 "%s: cannot specify '-c' '-C' '-s' together\n",
6784 op = LFS_PROJECT_CLEAR;
6787 if (op != LFS_PROJECT_LIST) {
6789 "%s: cannot specify '-c' '-C' '-s' together\n",
6794 phc.set_inherit = true;
6795 op = LFS_PROJECT_SET;
6801 phc.keep_projid = true;
6804 phc.recursive = true;
6807 phc.projid = strtoul(optarg, NULL, 0);
6808 phc.assign_projid = true;
6812 phc.newline = false;
6815 fprintf(stderr, "%s: invalid option '%c'\n",
6821 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
6822 op = LFS_PROJECT_SET;
6823 phc.set_projid = true;
6824 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
6825 phc.set_projid = true;
6829 case LFS_PROJECT_CHECK:
6830 if (phc.keep_projid) {
6832 "%s: '-k' is useless together with '-c'\n",
6837 case LFS_PROJECT_CLEAR:
6840 "%s: '-0' is useless together with '-C'\n",
6844 if (phc.assign_projid) {
6846 "%s: '-p' is useless together with '-C'\n",
6851 case LFS_PROJECT_SET:
6854 "%s: '-0' is useless together with '-s'\n",
6858 if (phc.keep_projid) {
6860 "%s: '-k' is useless together with '-s'\n",
6868 "%s: '-0' is useless for list operations\n",
6878 fprintf(stderr, "%s: missing file or directory target(s)\n",
6883 for (i = 0; i < argc; i++) {
6885 case LFS_PROJECT_CHECK:
6886 err = lfs_project_check(argv[i], &phc);
6888 case LFS_PROJECT_LIST:
6889 err = lfs_project_list(argv[i], &phc);
6891 case LFS_PROJECT_CLEAR:
6892 err = lfs_project_clear(argv[i], &phc);
6894 case LFS_PROJECT_SET:
6895 err = lfs_project_set(argv[i], &phc);
6907 static int lfs_quota(int argc, char **argv)
6910 char *mnt, *name = NULL;
6911 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
6912 .qc_type = ALLQUOTA };
6913 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
6914 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
6916 __u32 valid = QC_GENERAL, idx = 0;
6917 bool human_readable = false;
6918 bool show_default = false;
6921 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
6924 show_default = true;
6929 show_default = true;
6934 show_default = true;
6938 if (qctl.qc_type != ALLQUOTA) {
6940 "%s quota: only one of -u, -g, or -p may be specified\n",
6944 qctl.qc_type = qtype;
6947 qctl.qc_cmd = LUSTRE_Q_GETINFO;
6950 valid = qctl.qc_valid = QC_UUID;
6951 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
6954 valid = qctl.qc_valid = QC_MDTIDX;
6955 idx = qctl.qc_idx = atoi(optarg);
6956 if (idx == 0 && *optarg != '0') {
6958 "%s quota: invalid MDT index '%s'\n",
6964 valid = qctl.qc_valid = QC_OSTIDX;
6965 idx = qctl.qc_idx = atoi(optarg);
6966 if (idx == 0 && *optarg != '0') {
6968 "%s quota: invalid OST index '%s'\n",
6980 human_readable = true;
6983 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
6984 progname, argv[optind - 1]);
6989 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
6990 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
6991 optind == argc - 1 && !show_default) {
6993 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
6994 qctl.qc_valid = valid;
6997 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
6998 qctl.qc_type = qtype;
6999 if (qtype == USRQUOTA) {
7000 qctl.qc_id = geteuid();
7001 rc = uid2name(&name, qctl.qc_id);
7003 qctl.qc_id = getegid();
7004 rc = gid2name(&name, qctl.qc_id);
7009 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
7010 human_readable, show_default);
7015 /* lfs quota -u username /path/to/lustre/mount */
7016 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
7017 /* options should be followed by u/g-name and mntpoint */
7018 if ((!show_default && optind + 2 != argc) ||
7019 (show_default && optind + 1 != argc) ||
7020 qctl.qc_type == ALLQUOTA) {
7022 "%s quota: name and mount point must be specified\n",
7027 if (!show_default) {
7028 name = argv[optind++];
7029 switch (qctl.qc_type) {
7031 rc = name2uid(&qctl.qc_id, name);
7034 rc = name2gid(&qctl.qc_id, name);
7037 rc = name2projid(&qctl.qc_id, name);
7044 qctl.qc_valid = QC_GENERAL;
7045 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
7050 qctl.qc_id = strtoul(name, &endptr, 10);
7051 if (*endptr != '\0') {
7052 fprintf(stderr, "%s quota: invalid id '%s'\n",
7057 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
7058 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7064 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
7065 human_readable, show_default);
7068 #endif /* HAVE_SYS_QUOTA_H! */
7070 static int flushctx_ioctl(char *mp)
7074 fd = open(mp, O_RDONLY);
7076 fprintf(stderr, "flushctx: error open %s: %s\n",
7077 mp, strerror(errno));
7081 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7083 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7084 mp, strerror(errno));
7090 static int lfs_flushctx(int argc, char **argv)
7092 int kdestroy = 0, c;
7093 char mntdir[PATH_MAX] = {'\0'};
7097 while ((c = getopt(argc, argv, "k")) != -1) {
7103 fprintf(stderr, "error: %s: option '-%c' "
7104 "unrecognized\n", argv[0], c);
7110 if ((rc = system("kdestroy > /dev/null")) != 0) {
7111 rc = WEXITSTATUS(rc);
7112 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7116 if (optind >= argc) {
7117 /* flush for all mounted lustre fs. */
7118 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7119 /* Check if we have a mount point */
7120 if (mntdir[0] == '\0')
7123 if (flushctx_ioctl(mntdir))
7126 mntdir[0] = '\0'; /* avoid matching in next loop */
7129 /* flush fs as specified */
7130 while (optind < argc) {
7131 if (flushctx_ioctl(argv[optind++]))
7138 static int lfs_changelog(int argc, char **argv)
7140 void *changelog_priv;
7141 struct changelog_rec *rec;
7142 long long startrec = 0, endrec = 0;
7144 struct option long_opts[] = {
7145 { .val = 'f', .name = "follow", .has_arg = no_argument },
7147 char short_opts[] = "f";
7150 while ((rc = getopt_long(argc, argv, short_opts,
7151 long_opts, NULL)) != -1) {
7158 "%s changelog: unrecognized option '%s'\n",
7159 progname, argv[optind - 1]);
7163 if (optind >= argc) {
7164 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7169 mdd = argv[optind++];
7171 startrec = strtoll(argv[optind++], NULL, 10);
7173 endrec = strtoll(argv[optind++], NULL, 10);
7175 rc = llapi_changelog_start(&changelog_priv,
7176 CHANGELOG_FLAG_BLOCK |
7177 CHANGELOG_FLAG_JOBID |
7178 CHANGELOG_FLAG_EXTRA_FLAGS |
7179 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7182 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7183 progname, strerror(errno = -rc));
7187 rc = llapi_changelog_set_xflags(changelog_priv,
7188 CHANGELOG_EXTRA_FLAG_UIDGID |
7189 CHANGELOG_EXTRA_FLAG_NID |
7190 CHANGELOG_EXTRA_FLAG_OMODE |
7191 CHANGELOG_EXTRA_FLAG_XATTR);
7194 "%s changelog: cannot set xflags for changelog: %s\n",
7195 progname, strerror(errno = -rc));
7199 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7203 if (endrec && rec->cr_index > endrec) {
7204 llapi_changelog_free(&rec);
7207 if (rec->cr_index < startrec) {
7208 llapi_changelog_free(&rec);
7212 secs = rec->cr_time >> 30;
7213 gmtime_r(&secs, &ts);
7214 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7215 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7216 changelog_type2str(rec->cr_type),
7217 ts.tm_hour, ts.tm_min, ts.tm_sec,
7218 (int)(rec->cr_time & ((1 << 30) - 1)),
7219 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7220 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7222 if (rec->cr_flags & CLF_JOBID) {
7223 struct changelog_ext_jobid *jid =
7224 changelog_rec_jobid(rec);
7226 if (jid->cr_jobid[0] != '\0')
7227 printf(" j=%s", jid->cr_jobid);
7230 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7231 struct changelog_ext_extra_flags *ef =
7232 changelog_rec_extra_flags(rec);
7234 printf(" ef=0x%llx", ef->cr_extra_flags);
7236 if (ef->cr_extra_flags & CLFE_UIDGID) {
7237 struct changelog_ext_uidgid *uidgid =
7238 changelog_rec_uidgid(rec);
7240 printf(" u=%llu:%llu",
7241 uidgid->cr_uid, uidgid->cr_gid);
7243 if (ef->cr_extra_flags & CLFE_NID) {
7244 struct changelog_ext_nid *nid =
7245 changelog_rec_nid(rec);
7248 libcfs_nid2str(nid->cr_nid));
7251 if (ef->cr_extra_flags & CLFE_OPEN) {
7252 struct changelog_ext_openmode *omd =
7253 changelog_rec_openmode(rec);
7254 char mode[] = "---";
7256 /* exec mode must be exclusive */
7257 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7260 if (omd->cr_openflags & MDS_FMODE_READ)
7262 if (omd->cr_openflags &
7269 if (strcmp(mode, "---") != 0)
7270 printf(" m=%s", mode);
7274 if (ef->cr_extra_flags & CLFE_XATTR) {
7275 struct changelog_ext_xattr *xattr =
7276 changelog_rec_xattr(rec);
7278 if (xattr->cr_xattr[0] != '\0')
7279 printf(" x=%s", xattr->cr_xattr);
7283 if (rec->cr_namelen)
7284 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7285 rec->cr_namelen, changelog_rec_name(rec));
7287 if (rec->cr_flags & CLF_RENAME) {
7288 struct changelog_ext_rename *rnm =
7289 changelog_rec_rename(rec);
7291 if (!fid_is_zero(&rnm->cr_sfid))
7292 printf(" s="DFID" sp="DFID" %.*s",
7293 PFID(&rnm->cr_sfid),
7294 PFID(&rnm->cr_spfid),
7295 (int)changelog_rec_snamelen(rec),
7296 changelog_rec_sname(rec));
7300 llapi_changelog_free(&rec);
7303 llapi_changelog_fini(&changelog_priv);
7306 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7307 progname, strerror(errno = -rc));
7309 return (rc == 1 ? 0 : rc);
7312 static int lfs_changelog_clear(int argc, char **argv)
7320 endrec = strtoll(argv[3], NULL, 10);
7322 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7325 fprintf(stderr, "%s: record out of range: %llu\n",
7327 else if (rc == -ENOENT)
7328 fprintf(stderr, "%s: no changelog user: %s\n",
7331 fprintf(stderr, "%s error: %s\n", argv[0],
7340 static int lfs_fid2path(int argc, char **argv)
7342 struct option long_opts[] = {
7343 { .val = 'c', .name = "cur", .has_arg = no_argument },
7344 { .val = 'l', .name = "link", .has_arg = required_argument },
7345 { .val = 'r', .name = "rec", .has_arg = required_argument },
7347 char short_opts[] = "cl:r:";
7348 char *device, *fid, *path;
7349 long long recno = -1;
7354 char *endptr = NULL;
7356 while ((rc = getopt_long(argc, argv, short_opts,
7357 long_opts, NULL)) != -1) {
7363 linkno = strtol(optarg, &endptr, 10);
7364 if (*endptr != '\0') {
7366 "%s fid2path: invalid linkno '%s'\n",
7372 recno = strtoll(optarg, &endptr, 10);
7373 if (*endptr != '\0') {
7375 "%s fid2path: invalid recno '%s'\n",
7382 "%s fid2path: unrecognized option '%s'\n",
7383 progname, argv[optind - 1]);
7390 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7395 device = argv[optind++];
7396 path = calloc(1, PATH_MAX);
7400 "%s fid2path: cannot allocate memory for path: %s\n",
7401 progname, strerror(-rc));
7406 while (optind < argc) {
7407 fid = argv[optind++];
7409 lnktmp = (linkno >= 0) ? linkno : 0;
7411 int oldtmp = lnktmp;
7412 long long rectmp = recno;
7414 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7418 "%s fid2path: cannot find '%s': %s\n",
7419 progname, fid, strerror(errno = -rc2));
7426 fprintf(stdout, "%lld ", rectmp);
7427 if (device[0] == '/') {
7428 fprintf(stdout, "%s", device);
7429 if (device[strlen(device) - 1] != '/')
7430 fprintf(stdout, "/");
7431 } else if (path[0] == '\0') {
7432 fprintf(stdout, "/");
7434 fprintf(stdout, "%s\n", path);
7437 /* specified linkno */
7439 if (oldtmp == lnktmp)
7449 static int lfs_path2fid(int argc, char **argv)
7451 struct option long_opts[] = {
7452 { .val = 'p', .name = "parents", .has_arg = no_argument },
7455 const char short_opts[] = "p";
7456 const char *sep = "";
7459 bool show_parents = false;
7461 while ((rc = getopt_long(argc, argv, short_opts,
7462 long_opts, NULL)) != -1) {
7465 show_parents = true;
7469 "%s path2fid: unrecognized option '%s'\n",
7470 progname, argv[optind - 1]);
7475 if (optind > argc - 1) {
7476 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7480 else if (optind < argc - 1)
7484 for (path = argv + optind; *path != NULL; path++) {
7486 if (!show_parents) {
7487 err = llapi_path2fid(*path, &fid);
7489 printf("%s%s"DFID"\n",
7490 *sep != '\0' ? *path : "", sep,
7493 char name[NAME_MAX + 1];
7494 unsigned int linkno = 0;
7496 while ((err = llapi_path2parent(*path, linkno, &fid,
7497 name, sizeof(name))) == 0) {
7498 if (*sep != '\0' && linkno == 0)
7499 printf("%s%s", *path, sep);
7501 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7506 /* err == -ENODATA is end-of-loop */
7507 if (linkno > 0 && err == -ENODATA) {
7515 "%s path2fid: cannot get %sfid for '%s': %s\n",
7516 progname, show_parents ? "parent " : "", *path,
7528 static int lfs_data_version(int argc, char **argv)
7535 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
7538 fprintf(stderr, "%s data_version: FILE must be specified\n",
7543 while ((c = getopt(argc, argv, "nrw")) != -1) {
7546 data_version_flags = 0;
7549 data_version_flags |= LL_DV_RD_FLUSH;
7552 data_version_flags |= LL_DV_WR_FLUSH;
7556 "%s data_version: unrecognized option '%s'\n",
7557 progname, argv[optind - 1]);
7561 if (optind == argc) {
7562 fprintf(stderr, "%s data_version: FILE must be specified\n",
7567 path = argv[optind];
7568 fd = open(path, O_RDONLY);
7571 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
7572 progname, path, strerror(-rc));
7576 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
7579 "%s data_version: cannot get version for '%s': %s\n",
7580 progname, path, strerror(-rc));
7582 printf("%ju" "\n", (uintmax_t)data_version);
7588 static int lfs_hsm_state(int argc, char **argv)
7593 struct hsm_user_state hus;
7601 rc = llapi_hsm_state_get(path, &hus);
7603 fprintf(stderr, "can't get hsm state for %s: %s\n",
7604 path, strerror(errno = -rc));
7608 /* Display path name and status flags */
7609 printf("%s: (0x%08x)", path, hus.hus_states);
7611 if (hus.hus_states & HS_RELEASED)
7612 printf(" released");
7613 if (hus.hus_states & HS_EXISTS)
7615 if (hus.hus_states & HS_DIRTY)
7617 if (hus.hus_states & HS_ARCHIVED)
7618 printf(" archived");
7619 /* Display user-settable flags */
7620 if (hus.hus_states & HS_NORELEASE)
7621 printf(" never_release");
7622 if (hus.hus_states & HS_NOARCHIVE)
7623 printf(" never_archive");
7624 if (hus.hus_states & HS_LOST)
7625 printf(" lost_from_hsm");
7627 if (hus.hus_archive_id != 0)
7628 printf(", archive_id:%d", hus.hus_archive_id);
7631 } while (++i < argc);
7636 #define LFS_HSM_SET 0
7637 #define LFS_HSM_CLEAR 1
7640 * Generic function to set or clear HSM flags.
7641 * Used by hsm_set and hsm_clear.
7643 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
7645 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
7647 struct option long_opts[] = {
7648 { .val = 'A', .name = "archived", .has_arg = no_argument },
7649 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
7650 { .val = 'd', .name = "dirty", .has_arg = no_argument },
7651 { .val = 'e', .name = "exists", .has_arg = no_argument },
7652 { .val = 'l', .name = "lost", .has_arg = no_argument },
7653 { .val = 'r', .name = "norelease", .has_arg = no_argument },
7654 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
7656 char short_opts[] = "lraAdei:";
7660 __u32 archive_id = 0;
7666 while ((c = getopt_long(argc, argv, short_opts,
7667 long_opts, NULL)) != -1) {
7673 mask |= HS_NOARCHIVE;
7676 mask |= HS_ARCHIVED;
7679 mask |= HS_NORELEASE;
7688 archive_id = strtol(optarg, &end, 10);
7690 fprintf(stderr, "invalid archive_id: '%s'\n",
7698 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
7699 argv[0], argv[optind - 1]);
7704 /* User should have specified a flag */
7708 while (optind < argc) {
7710 path = argv[optind];
7712 /* If mode == 0, this means we apply the mask. */
7713 if (mode == LFS_HSM_SET)
7714 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
7716 rc = llapi_hsm_state_set(path, 0, mask, 0);
7719 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
7720 path, strerror(errno = -rc));
7729 static int lfs_hsm_action(int argc, char **argv)
7734 struct hsm_current_action hca;
7735 struct hsm_extent he;
7736 enum hsm_user_action hua;
7737 enum hsm_progress_states hps;
7745 rc = llapi_hsm_current_action(path, &hca);
7747 fprintf(stderr, "can't get hsm action for %s: %s\n",
7748 path, strerror(errno = -rc));
7751 he = hca.hca_location;
7752 hua = hca.hca_action;
7753 hps = hca.hca_state;
7755 printf("%s: %s", path, hsm_user_action2name(hua));
7757 /* Skip file without action */
7758 if (hca.hca_action == HUA_NONE) {
7763 printf(" %s ", hsm_progress_state2name(hps));
7765 if ((hps == HPS_RUNNING) &&
7766 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
7767 printf("(%llu bytes moved)\n",
7768 (unsigned long long)he.length);
7769 else if ((he.offset + he.length) == LUSTRE_EOF)
7770 printf("(from %llu to EOF)\n",
7771 (unsigned long long)he.offset);
7773 printf("(from %llu to %llu)\n",
7774 (unsigned long long)he.offset,
7775 (unsigned long long)(he.offset + he.length));
7777 } while (++i < argc);
7782 static int lfs_hsm_set(int argc, char **argv)
7784 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
7787 static int lfs_hsm_clear(int argc, char **argv)
7789 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
7793 * Check file state and return its fid, to be used by lfs_hsm_request().
7795 * \param[in] file Path to file to check
7796 * \param[in,out] fid Pointer to allocated lu_fid struct.
7797 * \param[in,out] last_dev Pointer to last device id used.
7799 * \return 0 on success.
7801 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
7807 rc = lstat(file, &st);
7809 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
7812 /* Checking for regular file as archiving as posix copytool
7813 * rejects archiving files other than regular files
7815 if (!S_ISREG(st.st_mode)) {
7816 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
7819 /* A request should be ... */
7820 if (*last_dev != st.st_dev && *last_dev != 0) {
7821 fprintf(stderr, "All files should be "
7822 "on the same filesystem: %s\n", file);
7825 *last_dev = st.st_dev;
7827 rc = llapi_path2fid(file, fid);
7829 fprintf(stderr, "Cannot read FID of %s: %s\n",
7830 file, strerror(-rc));
7836 /* Fill an HSM HUR item with a given file name.
7838 * If mntpath is set, then the filename is actually a FID, and no
7839 * lookup on the filesystem will be performed.
7841 * \param[in] hur the user request to fill
7842 * \param[in] idx index of the item inside the HUR to fill
7843 * \param[in] mntpath mountpoint of Lustre
7844 * \param[in] fname filename (if mtnpath is NULL)
7845 * or FID (if mntpath is set)
7846 * \param[in] last_dev pointer to last device id used
7848 * \retval 0 on success
7849 * \retval CMD_HELP or a negative errno on error
7851 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
7852 const char *mntpath, const char *fname,
7855 struct hsm_user_item *hui = &hur->hur_user_item[idx];
7858 hui->hui_extent.length = -1;
7860 if (mntpath != NULL) {
7863 rc = sscanf(fname, SFID, RFID(&hui->hui_fid));
7867 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
7872 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
7876 hur->hur_request.hr_itemcount++;
7881 static int lfs_hsm_request(int argc, char **argv, int action)
7883 struct option long_opts[] = {
7884 { .val = 'a', .name = "archive", .has_arg = required_argument },
7885 { .val = 'D', .name = "data", .has_arg = required_argument },
7886 { .val = 'l', .name = "filelist", .has_arg = required_argument },
7887 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
7890 char short_opts[] = "l:D:a:m:";
7891 struct hsm_user_request *hur, *oldhur;
7896 char *filelist = NULL;
7897 char fullpath[PATH_MAX];
7898 char *opaque = NULL;
7902 int nbfile_alloc = 0;
7903 char *some_file = NULL;
7904 char *mntpath = NULL;
7910 while ((c = getopt_long(argc, argv, short_opts,
7911 long_opts, NULL)) != -1) {
7920 if (action != HUA_ARCHIVE &&
7921 action != HUA_REMOVE) {
7923 "error: -a is supported only "
7924 "when archiving or removing\n");
7927 archive_id = atoi(optarg);
7930 if (some_file == NULL) {
7932 some_file = strdup(optarg);
7938 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
7939 argv[0], argv[optind - 1]);
7944 /* All remaining args are files, so we have at least nbfile */
7945 nbfile = argc - optind;
7947 if ((nbfile == 0) && (filelist == NULL))
7951 opaque_len = strlen(opaque);
7953 /* Alloc the request structure with enough place to store all files
7954 * from command line. */
7955 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
7957 fprintf(stderr, "Cannot create the request: %s\n",
7961 nbfile_alloc = nbfile;
7963 hur->hur_request.hr_action = action;
7964 hur->hur_request.hr_archive_id = archive_id;
7965 hur->hur_request.hr_flags = 0;
7967 /* All remaining args are files, add them */
7968 if (nbfile != 0 && some_file == NULL)
7969 some_file = strdup(argv[optind]);
7971 for (i = 0; i < nbfile; i++) {
7972 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
7978 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
7980 /* If a filelist was specified, read the filelist from it. */
7981 if (filelist != NULL) {
7982 fp = fopen(filelist, "r");
7984 fprintf(stderr, "Cannot read the file list %s: %s\n",
7985 filelist, strerror(errno));
7990 while ((rc = getline(&line, &len, fp)) != -1) {
7991 /* If allocated buffer was too small, get something
7993 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
7996 nbfile_alloc = nbfile_alloc * 2 + 1;
7998 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8001 fprintf(stderr, "hsm: cannot allocate "
8002 "the request: %s\n",
8009 size = hur_len(oldhur);
8011 fprintf(stderr, "hsm: cannot allocate "
8012 "%u files + %u bytes data\n",
8013 oldhur->hur_request.hr_itemcount,
8014 oldhur->hur_request.hr_data_len);
8021 memcpy(hur, oldhur, size);
8026 if (line[strlen(line) - 1] == '\n')
8027 line[strlen(line) - 1] = '\0';
8029 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8030 mntpath, line, &last_dev);
8036 if (some_file == NULL) {
8046 /* If a --data was used, add it to the request */
8047 hur->hur_request.hr_data_len = opaque_len;
8049 memcpy(hur_data(hur), opaque, opaque_len);
8051 /* Send the HSM request */
8052 if (realpath(some_file, fullpath) == NULL) {
8053 fprintf(stderr, "Could not find path '%s': %s\n",
8054 some_file, strerror(errno));
8056 rc = llapi_hsm_request(fullpath, hur);
8058 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8059 some_file, strerror(-rc));
8069 static int lfs_hsm_archive(int argc, char **argv)
8071 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8074 static int lfs_hsm_restore(int argc, char **argv)
8076 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8079 static int lfs_hsm_release(int argc, char **argv)
8081 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8084 static int lfs_hsm_remove(int argc, char **argv)
8086 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8089 static int lfs_hsm_cancel(int argc, char **argv)
8091 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8094 static int lfs_swap_layouts(int argc, char **argv)
8099 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8100 SWAP_LAYOUTS_KEEP_MTIME |
8101 SWAP_LAYOUTS_KEEP_ATIME);
8104 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8106 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8108 int lfs_get_mode(const char *string)
8110 enum lock_mode_user mode;
8112 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8113 if (lock_mode_names[mode] == NULL)
8115 if (strcmp(string, lock_mode_names[mode]) == 0)
8122 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8124 enum lu_ladvise_type advice;
8127 advice < ARRAY_SIZE(ladvise_names); advice++) {
8128 if (ladvise_names[advice] == NULL)
8130 if (strcmp(string, ladvise_names[advice]) == 0)
8134 return LU_LADVISE_INVALID;
8137 static int lfs_ladvise(int argc, char **argv)
8139 struct option long_opts[] = {
8140 { .val = 'a', .name = "advice", .has_arg = required_argument },
8141 { .val = 'b', .name = "background", .has_arg = no_argument },
8142 { .val = 'e', .name = "end", .has_arg = required_argument },
8143 { .val = 'l', .name = "length", .has_arg = required_argument },
8144 { .val = 'm', .name = "mode", .has_arg = required_argument },
8145 { .val = 's', .name = "start", .has_arg = required_argument },
8146 { .val = 'u', .name = "unset", .has_arg = no_argument },
8148 char short_opts[] = "a:be:l:m:s:u";
8153 struct llapi_lu_ladvise advice;
8154 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8155 unsigned long long start = 0;
8156 unsigned long long end = LUSTRE_EOF;
8157 unsigned long long length = 0;
8158 unsigned long long size_units;
8159 unsigned long long flags = 0;
8163 while ((c = getopt_long(argc, argv, short_opts,
8164 long_opts, NULL)) != -1) {
8167 advice_type = lfs_get_ladvice(optarg);
8168 if (advice_type == LU_LADVISE_INVALID) {
8169 fprintf(stderr, "%s: invalid advice type "
8170 "'%s'\n", argv[0], optarg);
8171 fprintf(stderr, "Valid types:");
8173 for (advice_type = 0;
8174 advice_type < ARRAY_SIZE(ladvise_names);
8176 if (ladvise_names[advice_type] == NULL)
8178 fprintf(stderr, " %s",
8179 ladvise_names[advice_type]);
8181 fprintf(stderr, "\n");
8194 rc = llapi_parse_size(optarg, &end,
8197 fprintf(stderr, "%s: bad end offset '%s'\n",
8204 rc = llapi_parse_size(optarg, &start,
8207 fprintf(stderr, "%s: bad start offset "
8208 "'%s'\n", argv[0], optarg);
8214 rc = llapi_parse_size(optarg, &length,
8217 fprintf(stderr, "%s: bad length '%s'\n",
8223 mode = lfs_get_mode(optarg);
8225 fprintf(stderr, "%s: bad mode '%s', valid "
8226 "modes are READ or WRITE\n",
8234 fprintf(stderr, "%s: option '%s' unrecognized\n",
8235 argv[0], argv[optind - 1]);
8240 if (advice_type == LU_LADVISE_INVALID) {
8241 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8242 fprintf(stderr, "Valid types:");
8243 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8245 if (ladvise_names[advice_type] == NULL)
8247 fprintf(stderr, " %s", ladvise_names[advice_type]);
8249 fprintf(stderr, "\n");
8253 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8254 fprintf(stderr, "%s: Lock no expand advice is a per file "
8255 "descriptor advice, so when called from lfs, "
8256 "it does nothing.\n", argv[0]);
8260 if (argc <= optind) {
8261 fprintf(stderr, "%s: please give one or more file names\n",
8266 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8267 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8272 if (end == LUSTRE_EOF && length != 0)
8273 end = start + length;
8276 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8277 argv[0], start, end);
8281 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8282 fprintf(stderr, "%s: mode is only valid with lockahead\n",
8287 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
8288 fprintf(stderr, "%s: mode is required with lockahead\n",
8293 while (optind < argc) {
8296 path = argv[optind++];
8298 fd = open(path, O_RDONLY);
8300 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8301 argv[0], path, strerror(errno));
8306 advice.lla_start = start;
8307 advice.lla_end = end;
8308 advice.lla_advice = advice_type;
8309 advice.lla_value1 = 0;
8310 advice.lla_value2 = 0;
8311 advice.lla_value3 = 0;
8312 advice.lla_value4 = 0;
8313 if (advice_type == LU_LADVISE_LOCKAHEAD) {
8314 advice.lla_lockahead_mode = mode;
8315 advice.lla_peradvice_flags = flags;
8318 rc2 = llapi_ladvise(fd, flags, 1, &advice);
8321 fprintf(stderr, "%s: cannot give advice '%s' to file "
8322 "'%s': %s\n", argv[0],
8323 ladvise_names[advice_type],
8324 path, strerror(errno));
8330 if (rc == 0 && rc2 < 0)
8336 static const char *const heat_names[] = LU_HEAT_NAMES;
8338 static int lfs_heat_get(int argc, char **argv)
8340 struct lu_heat *heat;
8349 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
8351 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8356 while (optind < argc) {
8357 path = argv[optind++];
8359 fd = open(path, O_RDONLY);
8361 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8362 argv[0], path, strerror(errno));
8367 heat->lh_count = OBD_HEAT_COUNT;
8368 rc2 = llapi_heat_get(fd, heat);
8371 fprintf(stderr, "%s: cannot get heat of file '%s'"
8372 ": %s\n", argv[0], path, strerror(errno));
8376 printf("flags: %x\n", heat->lh_flags);
8377 for (i = 0; i < heat->lh_count; i++)
8378 printf("%s: %llu\n", heat_names[i], heat->lh_heat[i]);
8380 if (rc == 0 && rc2 < 0)
8388 static int lfs_heat_set(int argc, char **argv)
8390 struct option long_opts[] = {
8391 { .val = 'c', .name = "clear", .has_arg = no_argument },
8392 { .val = 'o', .name = "off", .has_arg = no_argument },
8393 { .val = 'O', .name = "on", .has_arg = no_argument },
8395 enum lu_heat_flag flags = 0;
8405 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
8408 flags |= LU_HEAT_FLAG_CLEAR;
8411 flags |= LU_HEAT_FLAG_CLEAR;
8412 flags |= LU_HEAT_FLAG_OFF;
8415 flags &= ~LU_HEAT_FLAG_OFF;
8420 fprintf(stderr, "%s: option '%s' unrecognized\n",
8421 argv[0], argv[optind - 1]);
8426 if (argc <= optind) {
8427 fprintf(stderr, "%s: please give one or more file names\n",
8432 while (optind < argc) {
8433 path = argv[optind++];
8435 fd = open(path, O_RDONLY);
8437 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8438 argv[0], path, strerror(errno));
8443 rc2 = llapi_heat_set(fd, flags);
8446 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8447 ": %s\n", argv[0], path, strerror(errno));
8451 if (rc == 0 && rc2 < 0)
8457 /** The input string contains a comma delimited list of component ids and
8458 * ranges, for example "1,2-4,7".
8460 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8462 bool end_of_loop = false;
8470 while (!end_of_loop) {
8474 char *endptr = NULL;
8477 ptr = strchrnul(arg, ',');
8478 end_of_loop = *ptr == '\0';
8481 start_index = strtol(arg, &endptr, 0);
8482 if (endptr == arg) /* no data at all */
8484 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
8486 if (start_index < 0)
8489 end_index = start_index;
8490 if (*endptr == '-') {
8491 end_index = strtol(endptr + 1, &endptr, 0);
8492 if (*endptr != '\0')
8494 if (end_index < start_index)
8498 for (i = start_index; i <= end_index && size > 0; i++) {
8501 /* remove duplicate */
8502 for (j = 0; j < nr; j++) {
8506 if (j == nr) { /* no duplicate */
8512 if (size == 0 && i < end_index)
8519 if (!end_of_loop && ptr != NULL)
8522 return rc < 0 ? rc : nr;
8526 * struct verify_mirror_id - Mirror id to be verified.
8527 * @mirror_id: A specified mirror id.
8528 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
8530 struct verify_mirror_id {
8536 * compare_mirror_ids() - Compare mirror ids.
8537 * @layout: Mirror component list.
8538 * @cbdata: Callback data in verify_mirror_id structure.
8540 * This is a callback function called by llapi_layout_comp_iterate()
8541 * to compare the specified mirror id with the one in the current
8542 * component of @layout. If they are the same, then the specified
8543 * mirror id is valid.
8545 * Return: a negative error code on failure or
8546 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
8547 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
8550 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
8552 struct verify_mirror_id *mirror_id_cbdata =
8553 (struct verify_mirror_id *)cbdata;
8557 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
8561 "%s: llapi_layout_mirror_id_get failed: %s.\n",
8562 progname, strerror(errno));
8566 if (mirror_id_cbdata->mirror_id == mirror_id) {
8567 mirror_id_cbdata->is_valid_id = true;
8568 return LLAPI_LAYOUT_ITER_STOP;
8571 return LLAPI_LAYOUT_ITER_CONT;
8575 * verify_mirror_ids() - Verify specified mirror ids.
8576 * @fname: Mirrored file name.
8577 * @mirror_ids: Specified mirror ids to be verified.
8578 * @ids_nr: Number of specified mirror ids.
8580 * This function verifies that specified @mirror_ids are valid
8581 * in the mirrored file @fname.
8583 * Return: 0 on success or a negative error code on failure.
8586 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
8588 struct llapi_layout *layout = NULL;
8589 struct verify_mirror_id mirror_id_cbdata = { 0 };
8600 if (stat(fname, &stbuf) < 0) {
8601 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8602 progname, fname, strerror(errno));
8607 if (!S_ISREG(stbuf.st_mode)) {
8608 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8614 fd = open(fname, O_DIRECT | O_RDONLY);
8616 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8617 progname, fname, strerror(errno));
8622 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
8624 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
8625 progname, fname, strerror(errno));
8629 layout = llapi_layout_get_by_fd(fd, 0);
8630 if (layout == NULL) {
8631 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8632 progname, fname, strerror(errno));
8634 llapi_lease_release(fd);
8638 rc = llapi_layout_flags_get(layout, &flr_state);
8640 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8641 progname, fname, strerror(errno));
8646 flr_state &= LCM_FL_FLR_MASK;
8647 switch (flr_state) {
8650 fprintf(stderr, "%s: '%s' file state error: %s.\n",
8651 progname, fname, llapi_layout_flags_string(flr_state));
8658 for (i = 0; i < ids_nr; i++) {
8659 mirror_id_cbdata.mirror_id = mirror_ids[i];
8660 mirror_id_cbdata.is_valid_id = false;
8662 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
8667 "%s: '%s' failed to verify mirror id: %u.\n",
8668 progname, fname, mirror_ids[i]);
8672 if (!mirror_id_cbdata.is_valid_id) {
8675 "%s: '%s' invalid specified mirror id: %u.\n",
8676 progname, fname, mirror_ids[i]);
8682 llapi_layout_free(layout);
8683 llapi_lease_release(fd);
8691 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
8692 __u16 *mirror_ids, int ids_nr)
8694 struct llapi_resync_comp comp_array[1024] = { { 0 } };
8695 struct llapi_layout *layout;
8705 if (stat(fname, &stbuf) < 0) {
8706 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
8707 progname, fname, strerror(errno));
8711 if (!S_ISREG(stbuf.st_mode)) {
8712 fprintf(stderr, "%s: '%s' is not a regular file.\n",
8718 fd = open(fname, O_DIRECT | O_RDWR);
8720 fprintf(stderr, "%s: cannot open '%s': %s.\n",
8721 progname, fname, strerror(errno));
8726 layout = llapi_layout_get_by_fd(fd, 0);
8727 if (layout == NULL) {
8728 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
8729 progname, fname, strerror(errno));
8734 rc = llapi_layout_flags_get(layout, &flr_state);
8736 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
8737 progname, fname, strerror(errno));
8742 flr_state &= LCM_FL_FLR_MASK;
8743 if (flr_state == LCM_FL_NONE) {
8745 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
8750 /* get stale component info */
8751 comp_size = llapi_mirror_find_stale(layout, comp_array,
8752 ARRAY_SIZE(comp_array),
8753 mirror_ids, ids_nr);
8754 if (comp_size <= 0) {
8759 ioc->lil_mode = LL_LEASE_WRLCK;
8760 ioc->lil_flags = LL_LEASE_RESYNC;
8761 rc = llapi_lease_set(fd, ioc);
8763 if (rc == -EALREADY)
8767 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
8768 progname, fname, strerror(errno));
8772 /* get the read range [start, end) */
8773 start = comp_array[0].lrc_start;
8774 end = comp_array[0].lrc_end;
8775 for (idx = 1; idx < comp_size; idx++) {
8776 if (comp_array[idx].lrc_start < start)
8777 start = comp_array[idx].lrc_start;
8778 if (end < comp_array[idx].lrc_end)
8779 end = comp_array[idx].lrc_end;
8782 rc = llapi_lease_check(fd);
8783 if (rc != LL_LEASE_WRLCK) {
8784 fprintf(stderr, "%s: '%s' lost lease lock.\n",
8789 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
8792 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %d.\n",
8793 progname, fname, rc);
8795 /* prepare ioc for lease put */
8796 ioc->lil_mode = LL_LEASE_UNLCK;
8797 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
8799 for (idx = 0; idx < comp_size; idx++) {
8800 if (comp_array[idx].lrc_synced) {
8801 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
8806 rc = llapi_lease_set(fd, ioc);
8808 if (rc == 0) /* lost lease lock */
8810 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
8811 progname, fname, strerror(errno));
8815 * llapi_lease_set returns lease mode when it request to unlock
8821 llapi_layout_free(layout);
8828 static inline int lfs_mirror_resync(int argc, char **argv)
8830 struct ll_ioc_lease *ioc = NULL;
8831 __u16 mirror_ids[128] = { 0 };
8836 struct option long_opts[] = {
8837 { .val = 'o', .name = "only", .has_arg = required_argument },
8840 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
8843 rc = parse_mirror_ids(mirror_ids,
8844 sizeof(mirror_ids) / sizeof(__u16),
8848 "%s: bad mirror ids '%s'.\n",
8855 fprintf(stderr, "%s: options '%s' unrecognized.\n",
8856 argv[0], argv[optind - 1]);
8862 if (argc == optind) {
8863 fprintf(stderr, "%s: no file name given.\n", argv[0]);
8868 if (ids_nr > 0 && argc > optind + 1) {
8870 "%s: option '--only' cannot be used upon multiple files.\n",
8878 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
8883 /* set the lease on the file */
8884 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
8886 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
8887 argv[0], strerror(errno));
8892 for (; optind < argc; optind++) {
8893 rc = lfs_mirror_resync_file(argv[optind], ioc,
8894 mirror_ids, ids_nr);
8895 /* ignore previous file's error, continue with next file */
8898 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
8906 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
8908 struct llapi_layout *layout;
8911 layout = llapi_layout_get_by_fd(fd, 0);
8912 if (layout == NULL) {
8913 fprintf(stderr, "could not get layout.\n");
8917 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
8919 fprintf(stderr, "failed to iterate layout\n");
8920 llapi_layout_free(layout);
8923 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
8924 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
8925 llapi_layout_free(layout);
8929 llapi_layout_free(layout);
8935 * Check whether two files are the same file
8936 * \retval 0 same file
8937 * \retval 1 not the same file
8938 * \retval <0 error code
8940 static inline int check_same_file(const char *f1, const char *f2)
8945 if (stat(f1, &stbuf1) < 0) {
8946 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
8947 progname, f1, strerror(errno));
8951 if (stat(f2, &stbuf2) < 0) {
8952 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
8953 progname, f2, strerror(errno));
8957 if (stbuf1.st_rdev == stbuf2.st_rdev &&
8958 stbuf1.st_ino == stbuf2.st_ino)
8964 static inline int lfs_mirror_read(int argc, char **argv)
8967 __u16 mirror_id = 0;
8968 const char *outfile = NULL;
8974 const size_t buflen = 4 << 20;
8976 struct option long_opts[] = {
8977 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
8978 { .val = 'o', .name = "outfile", .has_arg = required_argument },
8981 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
8986 mirror_id = strtoul(optarg, &end, 0);
8987 if (*end != '\0' || mirror_id == 0) {
8989 "%s %s: invalid mirror ID '%s'\n",
8990 progname, argv[0], optarg);
8998 fprintf(stderr, "%s: option '%s' unrecognized.\n",
8999 progname, argv[optind - 1]);
9004 if (argc == optind) {
9005 fprintf(stderr, "%s %s: no mirrored file provided\n",
9008 } else if (argc > optind + 1) {
9009 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9013 if (mirror_id == 0) {
9014 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9019 /* open mirror file */
9020 fname = argv[optind];
9023 rc = check_same_file(fname, outfile);
9026 "%s %s: output file cannot be the mirrored file\n",
9034 fd = open(fname, O_DIRECT | O_RDONLY);
9036 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9037 progname, argv[0], fname, strerror(errno));
9041 /* verify mirror id */
9042 rc = verify_mirror_id_by_fd(fd, mirror_id);
9045 "%s %s: cannot find mirror with ID %u in '%s'\n",
9046 progname, argv[0], mirror_id, fname);
9050 /* open output file */
9052 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9054 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9055 progname, argv[0], outfile, strerror(errno));
9060 outfd = STDOUT_FILENO;
9063 /* allocate buffer */
9064 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9066 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9067 progname, argv[0], rc);
9074 ssize_t written = 0;
9076 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9077 if (bytes_read < 0) {
9080 "%s %s: fail to read data from mirror %u: %s\n",
9081 progname, argv[0], mirror_id, strerror(-rc));
9086 if (bytes_read == 0)
9089 while (written < bytes_read) {
9092 written2 = write(outfd, buf + written,
9093 bytes_read - written);
9096 "%s %s: fail to write %s: %s\n",
9097 progname, argv[0], outfile ? : "STDOUT",
9102 written += written2;
9105 if (written != bytes_read) {
9107 "%s %s: written %ld bytes does not match with %ld read.\n",
9108 progname, argv[0], written, bytes_read);
9130 static inline int lfs_mirror_write(int argc, char **argv)
9133 __u16 mirror_id = 0;
9134 const char *inputfile = NULL;
9140 const size_t buflen = 4 << 20;
9142 size_t page_size = sysconf(_SC_PAGESIZE);
9143 struct ll_ioc_lease_id ioc;
9145 struct option long_opts[] = {
9146 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9147 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9150 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9155 mirror_id = strtoul(optarg, &end, 0);
9156 if (*end != '\0' || mirror_id == 0) {
9158 "%s %s: invalid mirror ID '%s'\n",
9159 progname, argv[0], optarg);
9167 fprintf(stderr, "%s: option '%s' unrecognized\n",
9168 progname, argv[optind - 1]);
9173 if (argc == optind) {
9174 fprintf(stderr, "%s %s: no mirrored file provided\n",
9177 } else if (argc > optind + 1) {
9178 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9182 if (mirror_id == 0) {
9183 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9188 /* open mirror file */
9189 fname = argv[optind];
9192 rc = check_same_file(fname, inputfile);
9195 "%s %s: input file cannot be the mirrored file\n",
9203 fd = open(fname, O_DIRECT | O_WRONLY);
9205 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9206 progname, argv[0], fname, strerror(errno));
9210 /* verify mirror id */
9211 rc = verify_mirror_id_by_fd(fd, mirror_id);
9214 "%s %s: cannot find mirror with ID %u in '%s'\n",
9215 progname, argv[0], mirror_id, fname);
9219 /* open input file */
9221 inputfd = open(inputfile, O_RDONLY, 0644);
9223 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9224 progname, argv[0], inputfile, strerror(errno));
9229 inputfd = STDIN_FILENO;
9232 /* allocate buffer */
9233 rc = posix_memalign(&buf, page_size, buflen);
9235 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9236 progname, argv[0], rc);
9240 /* prepare target mirror components instantiation */
9241 ioc.lil_mode = LL_LEASE_WRLCK;
9242 ioc.lil_flags = LL_LEASE_RESYNC;
9243 ioc.lil_mirror_id = mirror_id;
9244 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9247 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9248 progname, argv[0], fname, strerror(errno));
9258 rc = llapi_lease_check(fd);
9259 if (rc != LL_LEASE_WRLCK) {
9260 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9261 progname, argv[0], fname);
9265 bytes_read = read(inputfd, buf, buflen);
9266 if (bytes_read < 0) {
9269 "%s %s: fail to read data from '%s': %s\n",
9270 progname, argv[0], inputfile ? : "STDIN",
9277 if (bytes_read == 0)
9280 /* round up to page align to make direct IO happy. */
9281 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9283 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9288 "%s %s: fail to write to mirror %u: %s\n",
9289 progname, argv[0], mirror_id,
9297 if (pos & (page_size - 1)) {
9298 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9303 ioc.lil_mode = LL_LEASE_UNLCK;
9304 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9306 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9311 "%s %s: release lease lock of '%s' failed: %s\n",
9312 progname, argv[0], fname, strerror(errno));
9329 struct collect_ids_data {
9335 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
9337 struct collect_ids_data *cid = cbdata;
9341 rc = llapi_layout_mirror_id_get(layout, &id);
9345 if ((__u16)id != cid->cid_exclude) {
9348 for (i = 0; i < cid->cid_count; i++) {
9349 /* already collected the mirror id */
9350 if (id == cid->cid_ids[i])
9351 return LLAPI_LAYOUT_ITER_CONT;
9353 cid->cid_ids[cid->cid_count] = id;
9357 return LLAPI_LAYOUT_ITER_CONT;
9360 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9362 struct llapi_layout *layout;
9363 struct collect_ids_data cid = { .cid_ids = ids,
9365 .cid_exclude = exclude_id, };
9368 layout = llapi_layout_get_by_fd(fd, 0);
9369 if (layout == NULL) {
9370 fprintf(stderr, "could not get layout\n");
9374 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9376 fprintf(stderr, "failed to iterate layout\n");
9377 llapi_layout_free(layout);
9381 llapi_layout_free(layout);
9383 return cid.cid_count;
9386 static inline int lfs_mirror_copy(int argc, char **argv)
9389 __u16 read_mirror_id = 0;
9390 __u16 ids[128] = { 0 };
9392 struct llapi_layout *layout = NULL;
9393 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9400 struct ll_ioc_lease *ioc = NULL;
9401 struct ll_ioc_lease_id *resync_ioc;
9403 struct option long_opts[] = {
9404 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9405 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9408 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9413 read_mirror_id = strtoul(optarg, &end, 0);
9414 if (*end != '\0' || read_mirror_id == 0) {
9416 "%s %s: invalid read mirror ID '%s'\n",
9417 progname, argv[0], optarg);
9422 if (!strcmp(optarg, "-1")) {
9423 /* specify all other mirrors */
9427 count = parse_mirror_ids((__u16 *)ids,
9435 fprintf(stderr, "%s: option '%s' unrecognized\n",
9436 progname, argv[optind - 1]);
9441 if (argc == optind) {
9442 fprintf(stderr, "%s %s: no mirrored file provided\n",
9445 } else if (argc > optind + 1) {
9446 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9450 if (read_mirror_id == 0) {
9452 "%s %s: no valid read mirror ID %d is provided\n",
9453 progname, argv[0], read_mirror_id);
9459 "%s %s: no write mirror ID is provided\n",
9464 for (i = 0; i < count; i++) {
9465 if (read_mirror_id == ids[i]) {
9467 "%s %s: read and write mirror ID cannot be the same\n",
9473 /* open mirror file */
9474 fname = argv[optind];
9476 fd = open(fname, O_DIRECT | O_RDWR);
9478 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9479 progname, argv[0], fname, strerror(errno));
9483 /* write to all other mirrors */
9484 if (ids[0] == (__u16)-1) {
9485 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9489 "%s %s: failed to get other mirror ids in '%s': %d\n",
9490 progname, argv[0], fname, rc);
9495 /* verify mirror id */
9496 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9499 "%s %s: cannot find mirror with ID %u in '%s'\n",
9500 progname, argv[0], read_mirror_id, fname);
9504 for (i = 0; i < count; i++) {
9505 rc = verify_mirror_id_by_fd(fd, ids[i]);
9508 "%s %s: cannot find mirror with ID %u in '%s'\n",
9509 progname, argv[0], ids[i], fname);
9514 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9517 "%s %s: cannot alloc comp id array for ioc: %s\n",
9518 progname, argv[0], strerror(errno));
9523 /* get stale component info */
9524 layout = llapi_layout_get_by_fd(fd, 0);
9525 if (layout == NULL) {
9526 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
9527 progname, argv[0], fname, strerror(errno));
9531 comp_size = llapi_mirror_find_stale(layout, comp_array,
9532 ARRAY_SIZE(comp_array),
9534 llapi_layout_free(layout);
9535 if (comp_size < 0) {
9540 /* prepare target mirror components instantiation */
9541 resync_ioc = (struct ll_ioc_lease_id *)ioc;
9542 resync_ioc->lil_mode = LL_LEASE_WRLCK;
9543 resync_ioc->lil_flags = LL_LEASE_RESYNC;
9545 resync_ioc->lil_mirror_id = ids[0];
9547 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
9548 rc = llapi_lease_set(fd, ioc);
9551 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9552 progname, argv[0], fname, strerror(errno));
9556 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
9559 fprintf(stderr, "%s %s: copy error: %d\n",
9560 progname, argv[0], rc);
9564 fprintf(stdout, "mirror copied successfully: ");
9565 for (i = 0; i < copied; i++)
9566 fprintf(stdout, "%d ", ids[i]);
9567 fprintf(stdout, "\n");
9569 ioc->lil_mode = LL_LEASE_UNLCK;
9570 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9572 for (i = 0; i < comp_size; i++) {
9575 for (j = 0; j < copied; j++) {
9576 if (comp_array[i].lrc_mirror_id != ids[j])
9579 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
9583 rc = llapi_lease_set(fd, ioc);
9588 "%s %s: release lease lock of '%s' failed: %s\n",
9589 progname, argv[0], fname, strerror(errno));
9603 * struct verify_chunk - Mirror chunk to be verified.
9604 * @chunk: [start, end) of the chunk.
9605 * @mirror_count: Number of mirror ids in @mirror_id array.
9606 * @mirror_id: Array of valid mirror ids that cover the chunk.
9608 struct verify_chunk {
9609 struct lu_extent chunk;
9610 unsigned int mirror_count;
9611 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
9615 * print_chunks() - Print chunk information.
9616 * @fname: Mirrored file name.
9617 * @chunks: Array of chunks.
9618 * @chunk_count: Number of chunks in @chunks array.
9620 * This function prints [start, end) of each chunk in @chunks
9621 * for mirrored file @fname, and also prints the valid mirror ids
9622 * that cover the chunk.
9627 void print_chunks(const char *fname, struct verify_chunk *chunks,
9633 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
9634 for (i = 0; i < chunk_count; i++) {
9635 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
9637 if (chunks[i].mirror_count == 0)
9638 fprintf(stdout, "\t[");
9640 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
9641 for (j = 1; j < chunks[i].mirror_count; j++)
9642 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
9644 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
9646 fprintf(stdout, "\n");
9650 * print_checksums() - Print CRC-32 checksum values.
9651 * @chunk: A chunk and its corresponding valid mirror ids.
9652 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
9654 * This function prints CRC-32 checksum values on @chunk for
9655 * each valid mirror that covers it.
9660 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
9665 "CRC-32 checksum value for chunk "DEXT":\n",
9666 PEXT(&chunk->chunk));
9667 for (i = 0; i < chunk->mirror_count; i++)
9668 fprintf(stdout, "Mirror %u:\t%#lx\n",
9669 chunk->mirror_id[i], crc[i]);
9670 fprintf(stdout, "\n");
9674 * filter_mirror_id() - Filter specified mirror ids.
9675 * @chunks: Array of chunks.
9676 * @chunk_count: Number of chunks in @chunks array.
9677 * @mirror_ids: Specified mirror ids to be verified.
9678 * @ids_nr: Number of specified mirror ids.
9680 * This function scans valid mirror ids that cover each chunk in @chunks
9681 * and filters specified mirror ids.
9686 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
9687 __u16 *mirror_ids, int ids_nr)
9692 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9693 unsigned int valid_count = 0;
9695 for (i = 0; i < chunk_count; i++) {
9696 if (chunks[i].mirror_count == 0)
9700 for (j = 0; j < ids_nr; j++) {
9701 for (k = 0; k < chunks[i].mirror_count; k++) {
9702 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
9703 valid_id[valid_count] = mirror_ids[j];
9710 memcpy(chunks[i].mirror_id, valid_id,
9711 sizeof(__u16) * valid_count);
9712 chunks[i].mirror_count = valid_count;
9717 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
9718 * @layout: Mirror component list.
9719 * @chunks: Array of chunks.
9720 * @chunks_size: Array size of @chunks.
9722 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
9723 * to find out chunk segments and store them in @chunks array.
9725 * The @mirror_id array in each element of @chunks will store the valid
9726 * mirror ids that cover the chunk. If a mirror component covering the
9727 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
9728 * will not be stored into the @mirror_id array, and the chunk for that
9729 * mirror will not be verified.
9731 * The @mirror_count in each element of @chunks will store the number of
9732 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
9733 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
9734 * indicates the chunk is valid in only one mirror. In both cases, the
9735 * chunk will not be verified.
9737 * Here is an example:
9740 * +------+-------------+--------------------+
9742 * +------+------+------+------+-------------+
9743 * | | S | S | | mirror2
9744 * +-------------+------+------+-------------+
9746 * prepared @chunks array will contain 5 elements:
9747 * (([0, 1M), [1, 2], 2),
9748 * ([1M, 2M), [1, 2], 2),
9749 * ([2M, 3M), [1], 1),
9750 * ([3M, 4M], [], 0),
9751 * ([4M, EOF), [2], 1))
9753 * Return: the actual array size of @chunks on success
9754 * or a negative error code on failure.
9757 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
9758 struct verify_chunk *chunks,
9769 memset(chunks, 0, sizeof(*chunks) * chunks_size);
9772 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
9775 "%s: move to the first layout component: %s.\n",
9776 progname, strerror(errno));
9782 chunks[idx].chunk.e_end = LUSTRE_EOF;
9784 rc = llapi_layout_comp_extent_get(layout, &start, &end);
9787 "%s: llapi_layout_comp_extent_get failed: %s.\n",
9788 progname, strerror(errno));
9792 if (start > chunks[idx].chunk.e_start ||
9793 end <= chunks[idx].chunk.e_start)
9796 if (end < chunks[idx].chunk.e_end)
9797 chunks[idx].chunk.e_end = end;
9799 rc = llapi_layout_comp_flags_get(layout, &flags);
9802 "%s: llapi_layout_comp_flags_get failed: %s.\n",
9803 progname, strerror(errno));
9807 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
9810 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9813 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9814 progname, strerror(errno));
9818 chunks[idx].mirror_id[i] = mirror_id;
9820 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
9822 "%s: mirror_id array is too small.\n",
9829 rc = llapi_layout_comp_use(layout,
9830 LLAPI_LAYOUT_COMP_USE_NEXT);
9833 "%s: move to the next layout component: %s.\n",
9834 progname, strerror(errno));
9837 } /* loop through all components */
9839 chunks[idx].mirror_count = i;
9841 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
9845 if (idx >= chunks_size) {
9846 fprintf(stderr, "%s: chunks array is too small.\n",
9852 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
9856 return rc < 0 ? rc : idx + 1;
9860 * lfs_mirror_verify_chunk() - Verify a chunk.
9861 * @fd: File descriptor of the mirrored file.
9862 * @file_size: Size of the mirrored file.
9863 * @chunk: A chunk and its corresponding valid mirror ids.
9864 * @verbose: Verbose mode.
9866 * This function verifies a @chunk contains exactly the same data
9867 * ammong the mirrors that cover it.
9869 * If @verbose is specified, then the function will print where the
9870 * differences are if the data do not match. Otherwise, it will
9871 * just return an error in that case.
9873 * Return: 0 on success or a negative error code on failure.
9876 int lfs_mirror_verify_chunk(int fd, size_t file_size,
9877 struct verify_chunk *chunk, int verbose)
9879 const size_t buflen = 4 * 1024 * 1024; /* 4M */
9881 size_t page_size = sysconf(_SC_PAGESIZE);
9887 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
9894 rc = posix_memalign(&buf, page_size, buflen);
9895 if (rc) /* error code is returned directly */
9899 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
9900 PEXT(&chunk->chunk));
9901 for (i = 0; i < chunk->mirror_count; i++)
9902 fprintf(stdout, " %u", chunk->mirror_id[i]);
9903 fprintf(stdout, "\n");
9907 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
9908 pos = chunk->chunk.e_start;
9909 while (bytes_done < count) {
9910 /* compute initial CRC-32 checksum */
9911 crc = crc32(0L, Z_NULL, 0);
9912 memset(crc_array, 0, sizeof(crc_array));
9915 for (i = 0; i < chunk->mirror_count; i++) {
9916 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
9918 if (bytes_read < 0) {
9921 "%s: failed to read data from mirror %u: %s.\n",
9922 progname, chunk->mirror_id[i],
9927 /* compute new CRC-32 checksum */
9928 crc_array[i] = crc32(crc, buf, bytes_read);
9932 print_checksums(chunk, crc_array);
9934 /* compare CRC-32 checksum values */
9935 for (i = 1; i < chunk->mirror_count; i++) {
9936 if (crc_array[i] != crc_array[0]) {
9940 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
9941 progname, PEXT(&chunk->chunk),
9942 chunk->mirror_id[0],
9943 chunk->mirror_id[i]);
9948 bytes_done += bytes_read;
9951 if (verbose > 1 && rc == 0) {
9952 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
9953 PEXT(&chunk->chunk));
9954 for (i = 0; i < chunk->mirror_count; i++)
9955 fprintf(stdout, " %u", chunk->mirror_id[i]);
9956 fprintf(stdout, " PASS\n\n");
9965 * lfs_mirror_verify_file() - Verify a mirrored file.
9966 * @fname: Mirrored file name.
9967 * @mirror_ids: Specified mirror ids to be verified.
9968 * @ids_nr: Number of specified mirror ids.
9969 * @verbose: Verbose mode.
9971 * This function verifies that each SYNC mirror of a mirrored file
9972 * specified by @fname contains exactly the same data.
9974 * If @mirror_ids is specified, then the function will verify the
9975 * mirrors specified by @mirror_ids contain exactly the same data.
9977 * If @verbose is specified, then the function will print where the
9978 * differences are if the data do not match. Otherwise, it will
9979 * just return an error in that case.
9981 * Return: 0 on success or a negative error code on failure.
9984 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
9987 struct verify_chunk chunks_array[1024] = { };
9988 struct llapi_layout *layout = NULL;
9992 int chunk_count = 0;
9998 if (stat(fname, &stbuf) < 0) {
9999 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10000 progname, fname, strerror(errno));
10005 if (!S_ISREG(stbuf.st_mode)) {
10006 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10012 if (stbuf.st_size == 0) {
10014 fprintf(stdout, "%s: '%s' file size is 0.\n",
10020 fd = open(fname, O_DIRECT | O_RDONLY);
10022 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10023 progname, fname, strerror(errno));
10028 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10030 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10031 progname, fname, strerror(errno));
10035 layout = llapi_layout_get_by_fd(fd, 0);
10036 if (layout == NULL) {
10037 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10038 progname, fname, strerror(errno));
10040 llapi_lease_release(fd);
10044 rc = llapi_layout_flags_get(layout, &flr_state);
10046 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10047 progname, fname, strerror(errno));
10052 flr_state &= LCM_FL_FLR_MASK;
10053 switch (flr_state) {
10056 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10057 progname, fname, llapi_layout_flags_string(flr_state));
10063 /* find out mirror chunks to be verified */
10064 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10065 ARRAY_SIZE(chunks_array));
10066 if (chunk_count < 0) {
10072 /* filter specified mirror ids */
10073 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10076 print_chunks(fname, chunks_array, chunk_count);
10078 for (idx = 0; idx < chunk_count; idx++) {
10079 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10082 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10084 PEXT(&chunks_array[idx].chunk),
10085 (unsigned long long)stbuf.st_size);
10089 if (chunks_array[idx].mirror_count == 0) {
10091 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10093 PEXT(&chunks_array[idx].chunk));
10095 fprintf(stderr, "skipped\n");
10099 fprintf(stderr, "failed\n");
10103 if (chunks_array[idx].mirror_count == 1) {
10106 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10108 PEXT(&chunks_array[idx].chunk),
10109 chunks_array[idx].mirror_id[0]);
10113 rc = llapi_lease_check(fd);
10114 if (rc != LL_LEASE_RDLCK) {
10115 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10120 /* verify one chunk */
10121 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10122 &chunks_array[idx], verbose);
10136 llapi_layout_free(layout);
10137 llapi_lease_release(fd);
10145 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10146 * @argc: The count of lfs mirror verify command line arguments.
10147 * @argv: Array of strings for lfs mirror verify command line arguments.
10149 * This function parses lfs mirror verify command and verifies the
10150 * specified mirrored file(s).
10152 * Return: 0 on success or a negative error code on failure.
10154 static inline int lfs_mirror_verify(int argc, char **argv)
10156 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10162 char cmd[PATH_MAX];
10164 struct option long_opts[] = {
10165 { .val = 'o', .name = "only", .has_arg = required_argument },
10166 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10167 { .name = NULL } };
10169 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10171 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10174 rc = parse_mirror_ids(mirror_ids,
10175 ARRAY_SIZE(mirror_ids),
10179 "%s: bad mirror ids '%s'.\n",
10186 "%s: at least 2 mirror ids needed with '--only' option.\n",
10196 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10197 progname, argv[optind - 1]);
10203 if (argc == optind) {
10204 fprintf(stderr, "%s: no file name given.\n", progname);
10209 if (ids_nr > 0 && argc > optind + 1) {
10211 "%s: '--only' cannot be used upon multiple files.\n",
10219 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10225 for (; optind < argc; optind++) {
10226 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10236 * lfs_mirror() - Parse and execute lfs mirror commands.
10237 * @argc: The count of lfs mirror command line arguments.
10238 * @argv: Array of strings for lfs mirror command line arguments.
10240 * This function parses lfs mirror commands and performs the
10241 * corresponding functions specified in mirror_cmdlist[].
10243 * Return: 0 on success or an error code on failure.
10245 static int lfs_mirror(int argc, char **argv)
10247 char cmd[PATH_MAX];
10250 setlinebuf(stdout);
10252 Parser_init("lfs-mirror > ", mirror_cmdlist);
10254 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10256 program_invocation_short_name = cmd;
10258 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10260 rc = Parser_commands();
10262 return rc < 0 ? -rc : rc;
10265 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10267 #if __BYTE_ORDER == __BIG_ENDIAN
10268 __swab16s(&attrs->lsa_valid);
10269 __swab64s(&attrs->lsa_size);
10270 __swab64s(&attrs->lsa_blocks);
10274 enum lfs_som_type {
10275 LFS_SOM_SIZE = 0x1,
10276 LFS_SOM_BLOCKS = 0x2,
10277 LFS_SOM_FLAGS = 0x4,
10278 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10282 static int lfs_getsom(int argc, char **argv)
10285 struct lustre_som_attrs *attrs;
10286 char buf[sizeof(*attrs) + 64];
10287 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10290 while ((c = getopt(argc, argv, "sbf")) != -1) {
10293 type = LFS_SOM_SIZE;
10296 type = LFS_SOM_BLOCKS;
10299 type = LFS_SOM_FLAGS;
10302 fprintf(stderr, "%s: invalid option '%c'\n",
10312 fprintf(stderr, "%s: %s\n",
10313 progname, argc == 0 ? "miss file target" :
10314 "input more than 2 files");
10319 attrs = (void *)buf;
10320 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10323 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10324 argv[0], strerror(errno), errno);
10328 lustre_som_swab(attrs);
10331 case LFS_SOM_ATTR_ALL:
10332 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10333 path, attrs->lsa_size, attrs->lsa_blocks,
10337 printf("%llu\n", attrs->lsa_size);
10339 case LFS_SOM_BLOCKS:
10340 printf("%llu\n", attrs->lsa_blocks);
10342 case LFS_SOM_FLAGS:
10343 printf("%x\n", attrs->lsa_valid);
10346 fprintf(stderr, "%s: unknown option\n", progname);
10354 * lfs_mirror_list_commands() - List lfs mirror commands.
10355 * @argc: The count of command line arguments.
10356 * @argv: Array of strings for command line arguments.
10358 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10360 * Return: 0 on success.
10362 static int lfs_mirror_list_commands(int argc, char **argv)
10364 char buffer[81] = "";
10366 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10372 static int lfs_pcc_attach(int argc, char **argv)
10374 struct option long_opts[] = {
10375 { .val = 'i', .name = "id", .has_arg = required_argument },
10376 { .name = NULL } };
10379 __u32 archive_id = 0;
10382 char fullpath[PATH_MAX];
10383 enum lu_pcc_type type = LU_PCC_READWRITE;
10386 while ((c = getopt_long(argc, argv, "i:",
10387 long_opts, NULL)) != -1) {
10390 archive_id = strtoul(optarg, &end, 0);
10391 if (*end != '\0' || archive_id == 0) {
10392 fprintf(stderr, "error: %s: bad archive ID "
10393 "'%s'\n", argv[0], optarg);
10400 fprintf(stderr, "%s: option '%s' unrecognized\n",
10401 argv[0], argv[optind - 1]);
10406 if (argc <= optind) {
10407 fprintf(stderr, "%s: must specify one or more file names\n",
10412 while (optind < argc) {
10415 path = argv[optind++];
10416 if (realpath(path, fullpath) == NULL) {
10417 fprintf(stderr, "%s: could not find path '%s': %s\n",
10418 argv[0], path, strerror(errno));
10424 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
10426 fprintf(stderr, "%s: cannot attach '%s' to PCC "
10427 "with archive ID '%u': %s\n", argv[0],
10428 path, archive_id, strerror(-rc2));
10436 static int lfs_pcc_detach(int argc, char **argv)
10440 char fullpath[PATH_MAX];
10445 fprintf(stderr, "%s: must specify one or more file names\n",
10450 while (optind < argc) {
10453 path = argv[optind++];
10454 if (realpath(path, fullpath) == NULL) {
10455 fprintf(stderr, "%s: could not find path '%s': %s\n",
10456 argv[0], path, strerror(errno));
10462 rc2 = llapi_pcc_detach_file(fullpath);
10464 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
10465 "%s\n", argv[0], path, strerror(-rc2));
10473 static int lfs_pcc_detach_fid(int argc, char **argv)
10477 const char *mntpath;
10482 fprintf(stderr, "%s: not enough argument\n",
10487 mntpath = argv[optind++];
10489 while (optind < argc) {
10492 fid = argv[optind++];
10494 rc2 = llapi_pcc_detach_fid_str(mntpath, fid);
10496 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
10497 "from PCC: %s\n", argv[0], fid, mntpath,
10506 static int lfs_pcc_state(int argc, char **argv)
10510 char fullpath[PATH_MAX];
10511 struct lu_pcc_state state;
10516 fprintf(stderr, "%s: must specify one or more file names\n",
10521 while (optind < argc) {
10524 path = argv[optind++];
10525 if (realpath(path, fullpath) == NULL) {
10526 fprintf(stderr, "%s: could not find path '%s': %s\n",
10527 argv[0], path, strerror(errno));
10533 rc2 = llapi_pcc_state_get(fullpath, &state);
10537 fprintf(stderr, "%s: cannot get PCC state of '%s': "
10538 "%s\n", argv[0], path, strerror(-rc2));
10542 printf("file: %s", path);
10543 printf(", type: %s", pcc_type2string(state.pccs_type));
10544 if (state.pccs_type == LU_PCC_NONE &&
10545 state.pccs_open_count == 0) {
10550 printf(", PCC file: %s", state.pccs_path);
10551 printf(", user number: %u", state.pccs_open_count);
10552 printf(", attr cached: %s",
10553 state.pccs_flags & PCC_STATE_FLAG_ATTR_VALID ?
10561 * lfs_pcc_list_commands() - List lfs pcc commands.
10562 * @argc: The count of command line arguments.
10563 * @argv: Array of strings for command line arguments.
10565 * This function lists lfs pcc commands defined in pcc_cmdlist[].
10567 * Return: 0 on success.
10569 static int lfs_pcc_list_commands(int argc, char **argv)
10571 char buffer[81] = "";
10573 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
10580 * lfs_pcc() - Parse and execute lfs pcc commands.
10581 * @argc: The count of lfs pcc command line arguments.
10582 * @argv: Array of strings for lfs pcc command line arguments.
10584 * This function parses lfs pcc commands and performs the
10585 * corresponding functions specified in pcc_cmdlist[].
10587 * Return: 0 on success or an error code on failure.
10589 static int lfs_pcc(int argc, char **argv)
10591 char cmd[PATH_MAX];
10594 setlinebuf(stdout);
10596 Parser_init("lfs-pcc > ", pcc_cmdlist);
10598 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10600 program_invocation_short_name = cmd;
10602 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
10604 rc = Parser_commands();
10606 return rc < 0 ? -rc : rc;
10609 static int lfs_list_commands(int argc, char **argv)
10611 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
10613 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
10618 int main(int argc, char **argv)
10622 /* Ensure that liblustreapi constructor has run */
10623 if (!llapi_liblustreapi_initialized())
10624 fprintf(stderr, "liblustreapi was not properly initialized\n");
10626 setlinebuf(stdout);
10629 Parser_init("lfs > ", cmdlist);
10631 progname = program_invocation_short_name; /* Used in error messages */
10633 llapi_set_command_name(argv[1]);
10634 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
10635 llapi_clear_command_name();
10637 rc = Parser_commands();
10640 return rc < 0 ? -rc : rc;
10643 #ifdef _LUSTRE_IDL_H_
10644 /* Everything we need here should be included by lustreapi.h. */
10645 # error "lfs should not depend on lustre_idl.h"
10646 #endif /* _LUSTRE_IDL_H_ */