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.htm
23 * (C) Copyright 2012 Commissariat a l'energie atomique et aux energies
26 * Copyright (c) 2013, 2016, Intel Corporation.
28 /* HSM copytool program for POSIX filesystem-based HSM's.
30 * An HSM copytool daemon acts on action requests from Lustre to copy files
31 * to and from an HSM archive system. This one in particular makes regular
32 * POSIX filesystem calls to a given path, where an HSM is presumably mounted.
34 * This particular tool can also import an existing HSM archive.
55 #include <sys/xattr.h>
56 #include <sys/syscall.h>
57 #include <sys/types.h>
59 #include <libcfs/util/string.h>
60 #include <linux/lustre/lustre_fid.h>
61 #include <lustre/lustreapi.h>
63 /* Progress reporting period */
64 #define REPORT_INTERVAL_DEFAULT 30
65 /* HSM hash subdir permissions */
66 #define DIR_PERM S_IRWXU
67 /* HSM hash file permissions */
68 #define FILE_PERM (S_IRUSR | S_IWUSR)
70 #define ONE_MB 0x100000
73 # define NSEC_PER_SEC 1000000000UL
90 int o_archive_id_used;
94 unsigned long long o_bandwidth;
96 enum ct_action o_action;
101 char *o_src; /* for import, or rebind */
102 char *o_dst; /* for import, or rebind */
105 /* everything else is zeroed */
106 struct options opt = {
109 .o_verbose = LLAPI_MSG_INFO,
111 .o_report_int = REPORT_INTERVAL_DEFAULT,
112 .o_chunk_size = ONE_MB,
115 /* hsm_copytool_private will hold an open FD on the lustre mount point
116 * for us. Additionally open one on the archive FS root to make sure
117 * it doesn't drop out from under us (and remind the admin to shutdown
118 * the copytool before unmounting). */
120 static int arc_fd = -1;
122 static int err_major;
123 static int err_minor;
125 static char cmd_name[PATH_MAX];
126 static char fs_name[MAX_OBD_NAME + 1];
128 static struct hsm_copytool_private *ctdata;
130 static inline double ct_now(void)
134 gettimeofday(&tv, NULL);
136 return tv.tv_sec + 0.000001 * tv.tv_usec;
139 #define CT_ERROR(_rc, _format, ...) \
140 llapi_error(LLAPI_MSG_ERROR, _rc, \
141 "%f %s[%ld]: "_format, \
142 ct_now(), cmd_name, syscall(SYS_gettid), ## __VA_ARGS__)
144 #define CT_DEBUG(_format, ...) \
145 llapi_error(LLAPI_MSG_DEBUG | LLAPI_MSG_NO_ERRNO, 0, \
146 "%f %s[%ld]: "_format, \
147 ct_now(), cmd_name, syscall(SYS_gettid), ## __VA_ARGS__)
149 #define CT_WARN(_format, ...) \
150 llapi_error(LLAPI_MSG_WARN | LLAPI_MSG_NO_ERRNO, 0, \
151 "%f %s[%ld]: "_format, \
152 ct_now(), cmd_name, syscall(SYS_gettid), ## __VA_ARGS__)
154 #define CT_TRACE(_format, ...) \
155 llapi_error(LLAPI_MSG_INFO | LLAPI_MSG_NO_ERRNO, 0, \
156 "%f %s[%ld]: "_format, \
157 ct_now(), cmd_name, syscall(SYS_gettid), ## __VA_ARGS__)
159 static void usage(const char *name, int rc)
162 " Usage: %s [options]... <mode> <lustre_mount_point>\n"
163 "The Lustre HSM Posix copy tool can be used as a daemon or "
164 "as a command line tool\n"
165 "The Lustre HSM daemon acts on action requests from Lustre\n"
166 "to copy files to and from an HSM archive system.\n"
167 "This POSIX-flavored daemon makes regular POSIX filesystem calls\n"
168 "to an HSM mounted at a given hsm_root.\n"
169 " --daemon Daemon mode, run in background\n"
171 " --no-attr Don't copy file attributes\n"
172 " --no-shadow Don't create shadow namespace in archive\n"
173 " --no-xattr Don't copy file extended attributes\n"
174 "The Lustre HSM tool performs administrator-type actions\n"
175 "on a Lustre HSM archive.\n"
176 "This POSIX-flavored tool can link an existing HSM namespace\n"
177 "into a Lustre filesystem.\n"
179 " %s [options] --import <src> <dst> <lustre_mount_point>\n"
180 " import an archived subtree from\n"
181 " <src> (FID or relative path to hsm_root) into the Lustre\n"
183 " <dst> (absolute path)\n"
184 " %s [options] --rebind <old_FID> <new_FID> <lustre_mount_point>\n"
185 " rebind an entry in the HSM to a new FID\n"
186 " <old_FID> old FID the HSM entry is bound to\n"
187 " <new_FID> new FID to bind the HSM entry to\n"
188 " %s [options] --rebind <list_file> <lustre_mount_point>\n"
189 " perform the rebind operation for all FID in the list file\n"
190 " each line of <list_file> consists of <old_FID> <new_FID>\n"
191 " %s [options] --max-sequence <fsname>\n"
192 " return the max fid sequence of archived files\n"
193 " --abort-on-error Abort operation on major error\n"
194 " -A, --archive <#> Archive number (repeatable)\n"
195 " -b, --bandwidth <bw> Limit I/O bandwidth (unit can be used\n,"
197 " --dry-run Don't run, just show what would be done\n"
198 " -c, --chunk-size <sz> I/O size used during data copy\n"
199 " (unit can be used, default is MB)\n"
200 " -f, --event-fifo <path> Write events stream to fifo\n"
201 " -p, --hsm-root <path> Target HSM mount point\n"
202 " -q, --quiet Produce less verbose output\n"
203 " -u, --update-interval <s> Interval between progress reports sent\n"
205 " -v, --verbose Produce more verbose output\n",
206 cmd_name, cmd_name, cmd_name, cmd_name, cmd_name);
211 static int ct_parseopts(int argc, char * const *argv)
213 struct option long_opts[] = {
214 { .val = 1, .name = "abort-on-error",
215 .flag = &opt.o_abort_on_error, .has_arg = no_argument },
216 { .val = 1, .name = "abort_on_error",
217 .flag = &opt.o_abort_on_error, .has_arg = no_argument },
218 { .val = 'A', .name = "archive", .has_arg = required_argument },
219 { .val = 'b', .name = "bandwidth", .has_arg = required_argument },
220 { .val = 'c', .name = "chunk-size", .has_arg = required_argument },
221 { .val = 'c', .name = "chunk_size", .has_arg = required_argument },
222 { .val = 1, .name = "daemon", .has_arg = no_argument,
223 .flag = &opt.o_daemonize },
224 { .val = 'f', .name = "event-fifo", .has_arg = required_argument },
225 { .val = 'f', .name = "event_fifo", .has_arg = required_argument },
226 { .val = 1, .name = "dry-run", .has_arg = no_argument,
227 .flag = &opt.o_dry_run },
228 { .val = 'h', .name = "help", .has_arg = no_argument },
229 { .val = 'i', .name = "import", .has_arg = no_argument },
230 { .val = 'M', .name = "max-sequence", .has_arg = no_argument },
231 { .val = 'M', .name = "max_sequence", .has_arg = no_argument },
232 { .val = 0, .name = "no-attr", .has_arg = no_argument,
233 .flag = &opt.o_copy_attrs },
234 { .val = 0, .name = "no_attr", .has_arg = no_argument,
235 .flag = &opt.o_copy_attrs },
236 { .val = 0, .name = "no-shadow", .has_arg = no_argument,
237 .flag = &opt.o_shadow_tree },
238 { .val = 0, .name = "no_shadow", .has_arg = no_argument,
239 .flag = &opt.o_shadow_tree },
240 { .val = 0, .name = "no-xattr", .has_arg = no_argument,
241 .flag = &opt.o_copy_xattrs },
242 { .val = 0, .name = "no_xattr", .has_arg = no_argument,
243 .flag = &opt.o_copy_xattrs },
244 { .val = 'p', .name = "hsm-root", .has_arg = required_argument },
245 { .val = 'p', .name = "hsm_root", .has_arg = required_argument },
246 { .val = 'q', .name = "quiet", .has_arg = no_argument },
247 { .val = 'r', .name = "rebind", .has_arg = no_argument },
248 { .val = 'u', .name = "update-interval",
249 .has_arg = required_argument },
250 { .val = 'u', .name = "update_interval",
251 .has_arg = required_argument },
252 { .val = 'v', .name = "verbose", .has_arg = no_argument },
254 unsigned long long value;
255 unsigned long long unit;
262 opt.o_archive_id_cnt = LL_HSM_ORIGIN_MAX_ARCHIVE;
263 opt.o_archive_id = malloc(opt.o_archive_id_cnt *
264 sizeof(*opt.o_archive_id));
265 if (opt.o_archive_id == NULL)
268 while ((c = getopt_long(argc, argv, "A:b:c:f:hiMp:qru:v",
269 long_opts, NULL)) != -1) {
273 int val = strtol(optarg, &end, 10);
277 CT_ERROR(rc, "invalid archive-id: '%s'",
281 /* if archiveID is zero, any archiveID is accepted */
286 free(opt.o_archive_id);
287 opt.o_archive_id = NULL;
288 opt.o_archive_id_cnt = 0;
289 opt.o_archive_id_used = 0;
291 CT_WARN("archive-id = 0 is found, any backend will be served\n");
295 /* skip the duplicated id */
296 for (i = 0; i < opt.o_archive_id_used; i++) {
297 if (opt.o_archive_id[i] == val)
300 /* extend the space */
301 if (opt.o_archive_id_used >= opt.o_archive_id_cnt) {
304 opt.o_archive_id_cnt *= 2;
305 tmp = realloc(opt.o_archive_id,
306 sizeof(*opt.o_archive_id) *
307 opt.o_archive_id_cnt);
311 opt.o_archive_id = tmp;
314 opt.o_archive_id[opt.o_archive_id_used++] = val;
317 case 'b': /* -b and -c have both a number with unit as arg */
320 if (llapi_parse_size(optarg, &value, &unit, 0) < 0) {
322 CT_ERROR(rc, "bad value for -%c '%s'", c,
327 opt.o_chunk_size = value;
329 opt.o_bandwidth = value;
332 opt.o_event_fifo = optarg;
337 opt.o_action = CA_IMPORT;
340 opt.o_action = CA_MAXSEQ;
343 opt.o_hsm_root = optarg;
349 opt.o_action = CA_REBIND;
352 opt.o_report_int = atoi(optarg);
353 if (opt.o_report_int < 0) {
355 CT_ERROR(rc, "bad value for -%c '%s'", c,
370 switch (opt.o_action) {
372 /* src dst mount_point */
373 if (argc != optind + 3) {
375 CT_ERROR(rc, "--import requires 2 arguments");
378 opt.o_src = argv[optind++];
379 opt.o_dst = argv[optind++];
382 /* FID1 FID2 mount_point or FILE mount_point */
383 if (argc == optind + 2) {
384 opt.o_src = argv[optind++];
386 } else if (argc == optind + 3) {
387 opt.o_src = argv[optind++];
388 opt.o_dst = argv[optind++];
391 CT_ERROR(rc, "--rebind requires 1 or 2 arguments");
397 /* just mount point */
401 if (argc != optind + 1) {
403 CT_ERROR(rc, "no mount point specified");
407 opt.o_mnt = argv[optind];
410 CT_TRACE("action=%d src=%s dst=%s mount_point=%s",
411 opt.o_action, opt.o_src, opt.o_dst, opt.o_mnt);
413 if (opt.o_hsm_root == NULL) {
415 CT_ERROR(rc, "must specify a root directory for the backend");
419 if (opt.o_action == CA_IMPORT) {
420 if (opt.o_src && opt.o_src[0] == '/') {
423 "source path must be relative to HSM root");
427 if (opt.o_dst && opt.o_dst[0] != '/') {
429 CT_ERROR(rc, "destination path must be absolute");
438 static int ct_mkdir_p(const char *path)
451 while ((ptr = strchr(ptr, '/')) != NULL) {
453 rc = mkdir(saved, DIR_PERM);
455 if (rc < 0 && errno != EEXIST) {
457 CT_ERROR(rc, "cannot mkdir '%s'", path);
469 static int ct_save_stripe(int src_fd, const char *src, const char *dst)
471 char lov_file[PATH_MAX + 8];
472 char lov_buf[XATTR_SIZE_MAX];
473 struct lov_user_md *lum;
478 snprintf(lov_file, sizeof(lov_file), "%s.lov", dst);
479 CT_TRACE("saving stripe info of '%s' in %s", src, lov_file);
481 xattr_size = fgetxattr(src_fd, XATTR_LUSTRE_LOV, lov_buf,
483 if (xattr_size < 0) {
485 CT_ERROR(rc, "cannot get stripe info on '%s'", src);
489 lum = (struct lov_user_md *)lov_buf;
491 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
492 lum->lmm_magic == LOV_USER_MAGIC_V3) {
493 /* Set stripe_offset to -1 so that it is not interpreted as a
494 * hint on restore. */
495 lum->lmm_stripe_offset = -1;
498 fd = open(lov_file, O_TRUNC | O_CREAT | O_WRONLY, FILE_PERM);
501 CT_ERROR(rc, "cannot open '%s'", lov_file);
505 rc = write(fd, lum, xattr_size);
508 CT_ERROR(rc, "cannot write %zd bytes to '%s'",
509 xattr_size, lov_file);
517 CT_ERROR(rc, "cannot close '%s'", lov_file);
529 static int ct_load_stripe(const char *src, void *lovea, size_t *lovea_size)
531 char lov_file[PATH_MAX + 4];
535 snprintf(lov_file, sizeof(lov_file), "%s.lov", src);
536 CT_TRACE("reading stripe rules from '%s' for '%s'", lov_file, src);
538 fd = open(lov_file, O_RDONLY);
540 CT_ERROR(errno, "cannot open '%s'", lov_file);
544 rc = read(fd, lovea, *lovea_size);
546 CT_ERROR(errno, "cannot read %zu bytes from '%s'",
547 *lovea_size, lov_file);
558 static int ct_restore_stripe(const char *src, const char *dst, int dst_fd,
559 const void *lovea, size_t lovea_size)
563 rc = fsetxattr(dst_fd, XATTR_LUSTRE_LOV, lovea, lovea_size,
567 CT_ERROR(rc, "cannot set lov EA on '%s'", dst);
573 static int ct_copy_data(struct hsm_copyaction_private *hcp, const char *src,
574 const char *dst, int src_fd, int dst_fd,
575 const struct hsm_action_item *hai, long hal_flags)
577 struct hsm_extent he;
578 __u64 offset = hai->hai_extent.offset;
582 __u64 write_total = 0;
583 __u64 length = hai->hai_extent.length;
584 time_t last_report_time;
586 double start_ct_now = ct_now();
587 /* Bandwidth Control */
590 time_t last_bw_print;
592 if (fstat(src_fd, &src_st) < 0) {
594 CT_ERROR(rc, "cannot stat '%s'", src);
598 if (!S_ISREG(src_st.st_mode)) {
600 CT_ERROR(rc, "'%s' is not a regular file", src);
604 if (hai->hai_extent.offset > (__u64)src_st.st_size) {
606 CT_ERROR(rc, "Trying to start reading past end (%ju > "
607 "%jd) of '%s' source file",
608 (uintmax_t)hai->hai_extent.offset,
609 (intmax_t)src_st.st_size, src);
613 if (fstat(dst_fd, &dst_st) < 0) {
615 CT_ERROR(rc, "cannot stat '%s'", dst);
619 if (!S_ISREG(dst_st.st_mode)) {
621 CT_ERROR(rc, "'%s' is not a regular file", dst);
625 /* Don't read beyond a given extent */
626 if (length > src_st.st_size - hai->hai_extent.offset)
627 length = src_st.st_size - hai->hai_extent.offset;
629 start_time = last_bw_print = last_report_time = time(NULL);
633 rc = llapi_hsm_action_progress(hcp, &he, length, 0);
635 /* Action has been canceled or something wrong
636 * is happening. Stop copying data. */
637 CT_ERROR(rc, "progress ioctl for copy '%s'->'%s' failed",
644 buf = malloc(opt.o_chunk_size);
650 CT_TRACE("start copy of %ju bytes from '%s' to '%s'",
651 (uintmax_t)length, src, dst);
653 while (write_total < length) {
656 int chunk = (length - write_total > opt.o_chunk_size) ?
657 opt.o_chunk_size : length - write_total;
659 rsize = pread(src_fd, buf, chunk, offset);
666 CT_ERROR(rc, "cannot read from '%s'", src);
670 wsize = pwrite(dst_fd, buf, rsize, offset);
673 CT_ERROR(rc, "cannot write to '%s'", dst);
677 write_total += wsize;
681 /* sleep if needed, to honor bandwidth limits */
682 if (opt.o_bandwidth != 0) {
683 unsigned long long write_theory;
685 write_theory = (now - start_time) * opt.o_bandwidth;
687 if (write_theory < write_total) {
688 unsigned long long excess;
689 struct timespec delay;
691 excess = write_total - write_theory;
693 delay.tv_sec = excess / opt.o_bandwidth;
694 delay.tv_nsec = (excess % opt.o_bandwidth) *
695 NSEC_PER_SEC / opt.o_bandwidth;
697 if (now >= last_bw_print + opt.o_report_int) {
698 CT_TRACE("bandwith control: %lluB/s "
699 "excess=%llu sleep for "
701 (unsigned long long)opt.o_bandwidth,
702 (unsigned long long)excess,
703 (long long)delay.tv_sec,
709 rc = nanosleep(&delay, &delay);
710 } while (rc < 0 && errno == EINTR);
712 CT_ERROR(errno, "delay for bandwidth "
713 "control failed to sleep: "
714 "residual=%lld.%09lds",
715 (long long)delay.tv_sec,
723 if (now >= last_report_time + opt.o_report_int) {
724 last_report_time = now;
725 CT_TRACE("%%%ju ", (uintmax_t)(100 * write_total / length));
726 /* only give the length of the write since the last
728 he.length = offset - he.offset;
729 rc = llapi_hsm_action_progress(hcp, &he, length, 0);
731 /* Action has been canceled or something wrong
732 * is happening. Stop copying data. */
733 CT_ERROR(rc, "progress ioctl for copy"
734 " '%s'->'%s' failed", src, dst);
744 * truncate restored file
745 * size is taken from the archive this is done to support
746 * restore after a force release which leaves the file with the
747 * wrong size (can big bigger than the new size)
749 if ((hai->hai_action == HSMA_RESTORE) &&
750 (src_st.st_size < dst_st.st_size)) {
752 * make sure the file is on disk before reporting success.
754 rc = ftruncate(dst_fd, src_st.st_size);
757 CT_ERROR(rc, "cannot truncate '%s' to size %jd",
758 dst, (intmax_t)src_st.st_size);
766 CT_TRACE("copied %ju bytes in %f seconds",
767 (uintmax_t)length, ct_now() - start_ct_now);
772 /* Copy file attributes from file src to file dest */
773 static int ct_copy_attr(const char *src, const char *dst, int src_fd,
777 struct timeval times[2];
780 if (fstat(src_fd, &st) < 0) {
782 CT_ERROR(rc, "cannot stat '%s'", src);
786 times[0].tv_sec = st.st_atime;
787 times[0].tv_usec = 0;
788 times[1].tv_sec = st.st_mtime;
789 times[1].tv_usec = 0;
790 if (fchmod(dst_fd, st.st_mode) < 0 ||
791 fchown(dst_fd, st.st_uid, st.st_gid) < 0 ||
792 futimes(dst_fd, times) < 0) {
794 CT_ERROR(rc, "cannot set attributes of '%s'", src);
801 static int ct_copy_xattr(const char *src, const char *dst, int src_fd,
802 int dst_fd, bool is_restore)
804 char list[XATTR_LIST_MAX];
805 char value[XATTR_SIZE_MAX];
810 list_len = flistxattr(src_fd, list, sizeof(list));
815 while (name < list + list_len) {
816 rc = fgetxattr(src_fd, name, value, sizeof(value));
820 /* when we restore, we do not restore lustre xattr */
822 (strncmp(XATTR_TRUSTED_PREFIX, name,
823 sizeof(XATTR_TRUSTED_PREFIX) - 1) != 0)) {
824 rc = fsetxattr(dst_fd, name, value, rc, 0);
825 CT_TRACE("fsetxattr of '%s' on '%s' rc=%d (%s)",
826 name, dst, rc, strerror(errno));
827 /* lustre.* attrs aren't supported on other FS's */
828 if (rc < 0 && errno != EOPNOTSUPP) {
830 CT_ERROR(rc, "cannot set extended attribute"
836 name += strlen(name) + 1;
842 static int ct_path_lustre(char *buf, int sz, const char *mnt,
843 const struct lu_fid *fid)
845 return snprintf(buf, sz, "%s/%s/fid/"DFID_NOBRACE, mnt,
846 dot_lustre_name, PFID(fid));
849 static int ct_path_archive(char *buf, int sz, const char *archive_dir,
850 const struct lu_fid *fid)
852 return snprintf(buf, sz, "%s/%04x/%04x/%04x/%04x/%04x/%04x/"
853 DFID_NOBRACE, archive_dir,
854 (fid)->f_oid & 0xFFFF,
855 (fid)->f_oid >> 16 & 0xFFFF,
856 (unsigned int)((fid)->f_seq & 0xFFFF),
857 (unsigned int)((fid)->f_seq >> 16 & 0xFFFF),
858 (unsigned int)((fid)->f_seq >> 32 & 0xFFFF),
859 (unsigned int)((fid)->f_seq >> 48 & 0xFFFF),
863 static bool ct_is_retryable(int err)
865 return err == -ETIMEDOUT;
868 static int ct_begin_restore(struct hsm_copyaction_private **phcp,
869 const struct hsm_action_item *hai,
870 int mdt_index, int open_flags)
875 rc = llapi_hsm_action_begin(phcp, ctdata, hai, mdt_index, open_flags,
878 ct_path_lustre(src, sizeof(src), opt.o_mnt, &hai->hai_fid);
879 CT_ERROR(rc, "llapi_hsm_action_begin() on '%s' failed", src);
885 static int ct_begin(struct hsm_copyaction_private **phcp,
886 const struct hsm_action_item *hai)
888 /* Restore takes specific parameters. Call the same function w/ default
889 * values for all other operations. */
890 return ct_begin_restore(phcp, hai, -1, 0);
893 static int ct_fini(struct hsm_copyaction_private **phcp,
894 const struct hsm_action_item *hai, int hp_flags, int ct_rc)
896 struct hsm_copyaction_private *hcp;
900 CT_TRACE("Action completed, notifying coordinator "
901 "cookie=%#jx, FID="DFID", hp_flags=%d err=%d",
902 (uintmax_t)hai->hai_cookie, PFID(&hai->hai_fid),
905 ct_path_lustre(lstr, sizeof(lstr), opt.o_mnt, &hai->hai_fid);
907 if (phcp == NULL || *phcp == NULL) {
908 rc = llapi_hsm_action_begin(&hcp, ctdata, hai, -1, 0, true);
910 CT_ERROR(rc, "llapi_hsm_action_begin() on '%s' failed",
917 rc = llapi_hsm_action_end(phcp, &hai->hai_extent, hp_flags, abs(ct_rc));
918 if (rc == -ECANCELED)
919 CT_ERROR(rc, "completed action on '%s' has been canceled: "
920 "cookie=%#jx, FID="DFID, lstr,
921 (uintmax_t)hai->hai_cookie, PFID(&hai->hai_fid));
923 CT_ERROR(rc, "llapi_hsm_action_end() on '%s' failed", lstr);
925 CT_TRACE("llapi_hsm_action_end() on '%s' ok (rc=%d)",
931 static int ct_archive(const struct hsm_action_item *hai, const long hal_flags)
933 struct hsm_copyaction_private *hcp = NULL;
935 char dst[PATH_MAX + 4] = "";
936 char root[PATH_MAX] = "";
939 bool rename_needed = false;
945 rc = ct_begin(&hcp, hai);
949 /* we fill archive so:
951 * destination = lustre FID
953 ct_path_lustre(src, sizeof(src), opt.o_mnt, &hai->hai_dfid);
954 ct_path_archive(root, sizeof(root), opt.o_hsm_root, &hai->hai_fid);
955 if (hai->hai_extent.length == -1) {
956 /* whole file, write it to tmp location and atomically
957 * replace old archived file */
958 snprintf(dst, sizeof(dst), "%s_tmp", root);
959 /* we cannot rely on the same test because ct_copy_data()
960 * updates hai_extent.length */
961 rename_needed = true;
963 snprintf(dst, sizeof(dst), "%s", root);
966 CT_TRACE("archiving '%s' to '%s'", src, dst);
973 rc = ct_mkdir_p(dst);
975 CT_ERROR(rc, "mkdir_p '%s' failed", dst);
979 src_fd = llapi_hsm_action_get_fd(hcp);
982 CT_ERROR(rc, "cannot open '%s' for read", src);
986 open_flags = O_WRONLY | O_NOFOLLOW;
987 /* If extent is specified, don't truncate an old archived copy */
988 open_flags |= ((hai->hai_extent.length == -1) ? O_TRUNC : 0) | O_CREAT;
990 dst_fd = open(dst, open_flags, FILE_PERM);
993 CT_ERROR(rc, "cannot open '%s' for write", dst);
997 /* saving stripe is not critical */
998 rc = ct_save_stripe(src_fd, src, dst);
1000 CT_ERROR(rc, "cannot save file striping info of '%s' in '%s'",
1003 rc = ct_copy_data(hcp, src, dst, src_fd, dst_fd, hai, hal_flags);
1005 CT_ERROR(rc, "data copy failed from '%s' to '%s'", src, dst);
1012 CT_ERROR(rc, "cannot flush '%s' archive file '%s'", src, dst);
1016 CT_TRACE("data archiving for '%s' to '%s' done", src, dst);
1018 /* attrs will remain on the MDS; no need to copy them, except possibly
1019 for disaster recovery */
1020 if (opt.o_copy_attrs) {
1021 rc = ct_copy_attr(src, dst, src_fd, dst_fd);
1023 CT_ERROR(rc, "cannot copy attr of '%s' to '%s'",
1027 CT_TRACE("attr file for '%s' saved to archive '%s'",
1031 /* xattrs will remain on the MDS; no need to copy them, except possibly
1032 for disaster recovery */
1033 if (opt.o_copy_xattrs) {
1034 rc = ct_copy_xattr(src, dst, src_fd, dst_fd, false);
1036 CT_ERROR(rc, "cannot copy xattr of '%s' to '%s'",
1038 rcf = rcf ? rcf : rc;
1040 CT_TRACE("xattr file for '%s' saved to archive '%s'",
1044 if (rename_needed == true) {
1045 char tmp_src[PATH_MAX + 8];
1046 char tmp_dst[PATH_MAX + 8];
1048 /* atomically replace old archived file */
1049 ct_path_archive(src, sizeof(src), opt.o_hsm_root,
1051 rc = rename(dst, src);
1054 CT_ERROR(rc, "cannot rename '%s' to '%s'", dst, src);
1057 /* rename lov file */
1058 snprintf(tmp_src, sizeof(tmp_src), "%s.lov", src);
1059 snprintf(tmp_dst, sizeof(tmp_dst), "%s.lov", dst);
1060 rc = rename(tmp_dst, tmp_src);
1062 CT_ERROR(errno, "cannot rename '%s' to '%s'",
1066 if (opt.o_shadow_tree) {
1067 /* Create a namespace of softlinks that shadows the original
1068 * Lustre namespace. This will only be current at
1069 * time-of-archive (won't follow renames).
1070 * WARNING: release won't kill these links; a manual
1071 * cleanup of dead links would be required.
1074 long long recno = -1;
1080 sprintf(buf, DFID, PFID(&hai->hai_fid));
1081 sprintf(src, "%s/shadow/", opt.o_hsm_root);
1083 ptr = opt.o_hsm_root;
1085 (*ptr++ == '/') ? depth-- : 0;
1087 rc = llapi_fid2path(opt.o_mnt, buf, src + strlen(src),
1088 sizeof(src) - strlen(src), &recno, &linkno);
1090 CT_ERROR(rc, "cannot get FID of '%s'", buf);
1091 rcf = rcf ? rcf : rc;
1095 /* Figure out how many parent dirs to symlink back */
1098 (*ptr++ == '/') ? depth++ : 0;
1103 ct_path_archive(dst, sizeof(dst), buf, &hai->hai_fid);
1105 if (ct_mkdir_p(src)) {
1106 CT_ERROR(errno, "mkdir_p '%s' failed", src);
1107 rcf = rcf ? rcf : -errno;
1110 /* symlink already exists ? */
1111 sz = readlink(src, buf, sizeof(buf));
1112 /* detect truncation */
1113 if (sz == sizeof(buf)) {
1114 rcf = rcf ? rcf : -E2BIG;
1115 CT_ERROR(rcf, "readlink '%s' truncated", src);
1120 if (sz == 0 || strncmp(buf, dst, sz) != 0) {
1121 if (unlink(src) && errno != ENOENT) {
1123 "cannot unlink symlink '%s'",
1125 rcf = rcf ? rcf : -errno;
1128 /* unlink old symlink done */
1129 CT_TRACE("remove old symlink '%s' pointing"
1130 " to '%s'", src, buf);
1132 /* symlink already ok */
1133 CT_TRACE("symlink '%s' already pointing"
1134 " to '%s'", src, dst);
1139 if (symlink(dst, src)) {
1140 CT_ERROR(errno, "cannot symlink '%s' to '%s'",
1142 rcf = rcf ? rcf : -errno;
1145 CT_TRACE("symlink '%s' to '%s' done", src, dst);
1157 if (ct_is_retryable(rc))
1158 hp_flags |= HP_FLAG_RETRY;
1169 rc = ct_fini(&hcp, hai, hp_flags, rcf);
1174 static int ct_restore(const struct hsm_action_item *hai, const long hal_flags)
1176 struct hsm_copyaction_private *hcp = NULL;
1179 char lov_buf[XATTR_SIZE_MAX];
1180 size_t lov_size = sizeof(lov_buf);
1189 /* we fill lustre so:
1190 * source = lustre FID in the backend
1191 * destination = data FID = volatile file
1194 /* build backend file name from released file FID */
1195 ct_path_archive(src, sizeof(src), opt.o_hsm_root, &hai->hai_fid);
1197 rc = llapi_get_mdt_index_by_fid(opt.o_mnt_fd, &hai->hai_fid,
1200 CT_ERROR(rc, "cannot get mdt index "DFID"",
1201 PFID(&hai->hai_fid));
1204 /* restore loads and sets the LOVEA w/o interpreting it to avoid
1205 * dependency on the structure format. */
1206 rc = ct_load_stripe(src, lov_buf, &lov_size);
1208 CT_WARN("cannot get stripe rules for '%s' (%s), use default",
1209 src, strerror(-rc));
1212 open_flags |= O_LOV_DELAY_CREATE;
1216 rc = ct_begin_restore(&hcp, hai, mdt_index, open_flags);
1220 /* get the FID of the volatile file */
1221 rc = llapi_hsm_action_get_dfid(hcp, &dfid);
1223 CT_ERROR(rc, "restoring "DFID
1224 ", cannot get FID of created volatile file",
1225 PFID(&hai->hai_fid));
1229 /* build volatile "file name", for messages */
1230 snprintf(dst, sizeof(dst), "{VOLATILE}="DFID, PFID(&dfid));
1232 CT_TRACE("restoring data from '%s' to '%s'", src, dst);
1234 if (opt.o_dry_run) {
1239 src_fd = open(src, O_RDONLY | O_NOATIME | O_NOFOLLOW);
1242 CT_ERROR(rc, "cannot open '%s' for read", src);
1246 dst_fd = llapi_hsm_action_get_fd(hcp);
1249 CT_ERROR(rc, "cannot open '%s' for write", dst);
1254 /* the layout cannot be allocated through .fid so we have to
1255 * restore a layout */
1256 rc = ct_restore_stripe(src, dst, dst_fd, lov_buf, lov_size);
1258 CT_ERROR(rc, "cannot restore file striping info"
1259 " for '%s' from '%s'", dst, src);
1265 rc = ct_copy_data(hcp, src, dst, src_fd, dst_fd, hai, hal_flags);
1267 CT_ERROR(rc, "cannot copy data from '%s' to '%s'",
1270 if (ct_is_retryable(rc))
1271 hp_flags |= HP_FLAG_RETRY;
1275 CT_TRACE("data restore from '%s' to '%s' done", src, dst);
1278 rc = ct_fini(&hcp, hai, hp_flags, rc);
1280 /* object swaping is done by cdt at copy end, so close of volatile file
1281 * cannot be done before */
1291 static int ct_remove(const struct hsm_action_item *hai, const long hal_flags)
1293 struct hsm_copyaction_private *hcp = NULL;
1294 char dst[PATH_MAX], attr[PATH_MAX + 4];
1297 rc = ct_begin(&hcp, hai);
1301 ct_path_archive(dst, sizeof(dst), opt.o_hsm_root, &hai->hai_fid);
1303 CT_TRACE("removing file '%s'", dst);
1305 if (opt.o_dry_run) {
1313 CT_ERROR(rc, "cannot unlink '%s'", dst);
1318 snprintf(attr, sizeof(attr), "%s.lov", dst);
1322 CT_ERROR(rc, "cannot unlink '%s'", attr);
1325 /* ignore the error when lov file does not exist. */
1333 rc = ct_fini(&hcp, hai, 0, rc);
1338 static int ct_process_item(struct hsm_action_item *hai, const long hal_flags)
1342 if (opt.o_verbose >= LLAPI_MSG_INFO || opt.o_dry_run) {
1343 /* Print the original path */
1345 char path[PATH_MAX];
1346 long long recno = -1;
1349 sprintf(fid, DFID, PFID(&hai->hai_fid));
1350 CT_TRACE("'%s' action %s reclen %d, cookie=%#jx",
1351 fid, hsm_copytool_action2name(hai->hai_action),
1352 hai->hai_len, (uintmax_t)hai->hai_cookie);
1353 rc = llapi_fid2path(opt.o_mnt, fid, path,
1354 sizeof(path), &recno, &linkno);
1356 CT_ERROR(rc, "cannot get path of FID %s", fid);
1358 CT_TRACE("processing file '%s'", path);
1361 switch (hai->hai_action) {
1362 /* set err_major, minor inside these functions */
1364 rc = ct_archive(hai, hal_flags);
1367 rc = ct_restore(hai, hal_flags);
1370 rc = ct_remove(hai, hal_flags);
1373 CT_TRACE("cancel not implemented for file system '%s'",
1375 /* Don't report progress to coordinator for this cookie:
1376 * the copy function will get ECANCELED when reporting
1383 CT_ERROR(rc, "unknown action %d, on '%s'", hai->hai_action,
1386 ct_fini(NULL, hai, 0, rc);
1394 struct hsm_action_item *hai;
1397 static void *ct_thread(void *data)
1399 struct ct_th_data *cttd = data;
1402 rc = ct_process_item(cttd->hai, cttd->hal_flags);
1406 pthread_exit((void *)(intptr_t)rc);
1409 static int ct_process_item_async(const struct hsm_action_item *hai,
1412 pthread_attr_t attr;
1414 struct ct_th_data *data;
1417 data = malloc(sizeof(*data));
1421 data->hai = malloc(hai->hai_len);
1422 if (data->hai == NULL) {
1427 memcpy(data->hai, hai, hai->hai_len);
1428 data->hal_flags = hal_flags;
1430 rc = pthread_attr_init(&attr);
1432 CT_ERROR(rc, "pthread_attr_init failed for '%s' service",
1439 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
1441 rc = pthread_create(&thread, &attr, ct_thread, data);
1443 CT_ERROR(rc, "cannot create thread for '%s' service",
1446 pthread_attr_destroy(&attr);
1450 static int ct_import_one(const char *src, const char *dst)
1452 char newarc[PATH_MAX];
1457 CT_TRACE("importing '%s' from '%s'", dst, src);
1459 if (stat(src, &st) < 0) {
1461 CT_ERROR(rc, "cannot stat '%s'", src);
1468 rc = llapi_hsm_import(dst,
1469 opt.o_archive_id_used ?
1470 opt.o_archive_id[0] : 0,
1471 &st, 0, 0, 0, 0, NULL, &fid);
1473 CT_ERROR(rc, "cannot import '%s' from '%s'", dst, src);
1477 ct_path_archive(newarc, sizeof(newarc), opt.o_hsm_root, &fid);
1479 rc = ct_mkdir_p(newarc);
1481 CT_ERROR(rc, "mkdir_p '%s' failed", newarc);
1487 /* Lots of choices now: mv, ln, ln -s ? */
1488 rc = link(src, newarc); /* hardlink */
1491 CT_ERROR(rc, "cannot link '%s' to '%s'", newarc, src);
1495 CT_TRACE("imported '%s' from '%s'=='%s'", dst, newarc, src);
1500 static char *path_concat(const char *dirname, const char *basename)
1505 rc = asprintf(&result, "%s/%s", dirname, basename);
1512 static int ct_import_fid(const struct lu_fid *import_fid)
1514 char fid_path[PATH_MAX];
1517 ct_path_lustre(fid_path, sizeof(fid_path), opt.o_mnt, import_fid);
1518 rc = access(fid_path, F_OK);
1519 if (rc == 0 || errno != ENOENT) {
1520 rc = (errno == 0) ? -EEXIST : -errno;
1521 CT_ERROR(rc, "cannot import '"DFID"'", PFID(import_fid));
1525 ct_path_archive(fid_path, sizeof(fid_path), opt.o_hsm_root,
1528 CT_TRACE("Resolving "DFID" to %s", PFID(import_fid), fid_path);
1530 return ct_import_one(fid_path, opt.o_dst);
1533 static int ct_import_recurse(const char *relpath)
1537 char *srcpath, *newpath;
1538 struct lu_fid import_fid;
1541 if (relpath == NULL)
1544 /* Is relpath a FID? */
1545 rc = llapi_fid_parse(relpath, &import_fid, NULL);
1547 return ct_import_fid(&import_fid);
1549 srcpath = path_concat(opt.o_hsm_root, relpath);
1550 if (srcpath == NULL) {
1555 dir = opendir(srcpath);
1557 /* Not a dir, or error */
1558 if (errno == ENOTDIR) {
1559 /* Single regular file case, treat o_dst as absolute
1561 rc = ct_import_one(srcpath, opt.o_dst);
1564 CT_ERROR(rc, "cannot opendir '%s'", srcpath);
1572 while ((ent = readdir(dir)) != NULL) {
1573 if (!strcmp(ent->d_name, ".") ||
1574 !strcmp(ent->d_name, ".."))
1577 /* New relative path */
1578 newpath = path_concat(relpath, ent->d_name);
1579 if (newpath == NULL) {
1585 if (ent->d_type == DT_DIR) {
1586 rc = ct_import_recurse(newpath);
1591 sprintf(src, "%s/%s", opt.o_hsm_root, newpath);
1592 sprintf(dst, "%s/%s", opt.o_dst, newpath);
1593 /* Make the target dir in the Lustre fs */
1594 rc = ct_mkdir_p(dst);
1596 /* Import the file */
1597 rc = ct_import_one(src, dst);
1599 CT_ERROR(rc, "ct_mkdir_p '%s' failed", dst);
1605 CT_ERROR(rc, "cannot import '%s'", newpath);
1606 if (err_major && opt.o_abort_on_error) {
1620 static int ct_rebind_one(const struct lu_fid *old_fid,
1621 const struct lu_fid *new_fid)
1627 CT_TRACE("rebind "DFID" to "DFID, PFID(old_fid), PFID(new_fid));
1629 ct_path_archive(src, sizeof(src), opt.o_hsm_root, old_fid);
1630 ct_path_archive(dst, sizeof(dst), opt.o_hsm_root, new_fid);
1632 if (!opt.o_dry_run) {
1633 char src_attr[PATH_MAX + 4];
1634 char dst_attr[PATH_MAX + 4];
1637 if (rename(src, dst)) {
1639 CT_ERROR(rc, "cannot rename '%s' to '%s'", src, dst);
1642 /* rename lov file */
1643 snprintf(src_attr, sizeof(src_attr), "%s.lov", src);
1644 snprintf(dst_attr, sizeof(dst_attr), "%s.lov", dst);
1645 if (rename(src_attr, dst_attr))
1646 CT_ERROR(errno, "cannot rename '%s' to '%s'",
1647 src_attr, dst_attr);
1653 static bool fid_is_file(struct lu_fid *fid)
1655 return fid_is_norm(fid) || fid_is_igif(fid);
1658 static bool should_ignore_line(const char *line)
1662 for (i = 0; line[i] != '\0'; i++) {
1663 if (isspace(line[i]))
1665 else if (line[i] == '#')
1674 static int ct_rebind_list(const char *list)
1680 size_t line_size = 0;
1681 unsigned int nl = 0;
1682 unsigned int ok = 0;
1684 filp = fopen(list, "r");
1687 CT_ERROR(rc, "cannot open '%s'", list);
1691 /* each line consists of 2 FID */
1692 while ((r = getline(&line, &line_size, filp)) != -1) {
1693 struct lu_fid old_fid;
1694 struct lu_fid new_fid;
1697 /* Ignore empty and commented out ('#...') lines. */
1698 if (should_ignore_line(line))
1703 rc = llapi_fid_parse(line, &old_fid, &next_fid);
1706 rc = llapi_fid_parse(next_fid, &new_fid, NULL);
1709 if (!fid_is_file(&old_fid) || !fid_is_file(&new_fid))
1712 error: CT_ERROR(rc, "%s:%u: two FIDs expected in '%s'",
1718 if (ct_rebind_one(&old_fid, &new_fid))
1729 /* return 0 if all rebinds were successful */
1730 CT_TRACE("%u lines read from '%s', %u rebind successful", nl, list, ok);
1732 return ok == nl ? 0 : -1;
1735 static int ct_rebind(void)
1740 struct lu_fid old_fid;
1741 struct lu_fid new_fid;
1743 rc = llapi_fid_parse(opt.o_src, &old_fid, NULL);
1744 if (!rc && !fid_is_file(&old_fid))
1747 CT_ERROR(rc, "invalid source FID '%s'", opt.o_src);
1751 rc = llapi_fid_parse(opt.o_dst, &new_fid, NULL);
1752 if (!rc && !fid_is_file(&new_fid))
1755 CT_ERROR(rc, "invalid destination FID '%s'", opt.o_dst);
1759 rc = ct_rebind_one(&old_fid, &new_fid);
1764 /* o_src is a list file */
1765 rc = ct_rebind_list(opt.o_src);
1770 static int ct_dir_level_max(const char *dirpath, __u16 *sub_seqmax)
1779 dir = opendir(dirpath);
1782 CT_ERROR(rc, "cannot open directory '%s'", opt.o_hsm_root);
1790 /* end of directory.
1791 * rc is 0 and seqmax contains the max value. */
1794 CT_ERROR(rc, "cannot readdir '%s'", dirpath);
1798 if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, ".."))
1801 if (sscanf(ent->d_name, "%hx", &sub_seq) != 1) {
1802 CT_TRACE("'%s' has an unexpected dirname format, "
1803 "skip entry", ent->d_name);
1806 if (sub_seq > *sub_seqmax)
1807 *sub_seqmax = sub_seq;
1814 static int ct_max_sequence(void)
1817 char path[PATH_MAX];
1821 snprintf(path, sizeof(path), "%s", opt.o_hsm_root);
1822 /* FID sequence is stored in top-level directory names:
1823 * hsm_root/16bits (high weight)/16 bits/16 bits/16 bits (low weight).
1825 for (i = 0; i < 4; i++) {
1828 rc = ct_dir_level_max(path, &subseq);
1831 seq |= ((__u64)subseq << ((3 - i) * 16));
1832 path_len = strlen(path);
1833 rc = snprintf(path + path_len, sizeof(path) - path_len,
1835 if (rc >= (sizeof(path) - path_len))
1837 path[sizeof(path) - 1] = '\0';
1840 printf("max_sequence: %#jx\n", (uintmax_t)seq);
1845 static void handler(int signal)
1847 psignal(signal, "exiting");
1848 /* If we don't clean up upon interrupt, umount thinks there's a ref
1849 * and doesn't remove us from mtab (EINPROGRESS). The lustre client
1850 * does successfully unmount and the mount is actually gone, but the
1851 * mtab entry remains. So this just makes mtab happier. */
1852 llapi_hsm_copytool_unregister(&ctdata);
1854 /* Also remove fifo upon signal as during normal/error exit */
1855 if (opt.o_event_fifo != NULL)
1856 llapi_hsm_unregister_event_fifo(opt.o_event_fifo);
1860 /* Daemon waits for messages from the kernel; run it in the background. */
1861 static int ct_run(void)
1863 struct sigaction cleanup_sigaction;
1866 if (opt.o_daemonize) {
1870 CT_ERROR(rc, "cannot daemonize");
1875 setbuf(stdout, NULL);
1877 if (opt.o_event_fifo != NULL) {
1878 rc = llapi_hsm_register_event_fifo(opt.o_event_fifo);
1880 CT_ERROR(rc, "failed to register event fifo");
1883 llapi_error_callback_set(llapi_hsm_log_error);
1886 rc = llapi_hsm_copytool_register(&ctdata, opt.o_mnt,
1887 opt.o_archive_id_used,
1888 opt.o_archive_id, 0);
1890 CT_ERROR(rc, "cannot start copytool interface");
1894 memset(&cleanup_sigaction, 0, sizeof(cleanup_sigaction));
1895 cleanup_sigaction.sa_handler = handler;
1896 sigemptyset(&cleanup_sigaction.sa_mask);
1897 sigaction(SIGINT, &cleanup_sigaction, NULL);
1898 sigaction(SIGTERM, &cleanup_sigaction, NULL);
1901 struct hsm_action_list *hal;
1902 struct hsm_action_item *hai;
1906 CT_TRACE("waiting for message from kernel");
1908 rc = llapi_hsm_copytool_recv(ctdata, &hal, &msgsize);
1909 if (rc == -ESHUTDOWN) {
1910 CT_TRACE("shutting down");
1912 } else if (rc < 0) {
1913 CT_WARN("cannot receive action list: %s",
1916 if (opt.o_abort_on_error)
1922 CT_TRACE("copytool fs=%s archive#=%d item_count=%d",
1923 hal->hal_fsname, hal->hal_archive_id, hal->hal_count);
1925 if (strcmp(hal->hal_fsname, fs_name) != 0) {
1927 CT_ERROR(rc, "'%s' invalid fs name, expecting: %s",
1928 hal->hal_fsname, fs_name);
1930 if (opt.o_abort_on_error)
1936 hai = hai_first(hal);
1937 while (++i <= hal->hal_count) {
1938 if ((char *)hai - (char *)hal > msgsize) {
1941 "'%s' item %d past end of message!",
1946 rc = ct_process_item_async(hai, hal->hal_flags);
1948 CT_ERROR(rc, "'%s' item %d process",
1950 if (opt.o_abort_on_error && err_major)
1952 hai = hai_next(hai);
1955 if (opt.o_abort_on_error && err_major)
1959 llapi_hsm_copytool_unregister(&ctdata);
1960 if (opt.o_event_fifo != NULL)
1961 llapi_hsm_unregister_event_fifo(opt.o_event_fifo);
1966 static int ct_setup(void)
1970 /* set llapi message level */
1971 llapi_msg_set_level(opt.o_verbose);
1973 arc_fd = open(opt.o_hsm_root, O_RDONLY);
1976 CT_ERROR(rc, "cannot open archive at '%s'", opt.o_hsm_root);
1980 rc = llapi_search_fsname(opt.o_mnt, fs_name);
1982 CT_ERROR(rc, "cannot find a Lustre filesystem mounted at '%s'",
1987 opt.o_mnt_fd = open(opt.o_mnt, O_RDONLY);
1988 if (opt.o_mnt_fd < 0) {
1990 CT_ERROR(rc, "cannot open mount point at '%s'",
1998 static int ct_cleanup(void)
2002 if (opt.o_mnt_fd >= 0) {
2003 rc = close(opt.o_mnt_fd);
2006 CT_ERROR(rc, "cannot close mount point");
2015 CT_ERROR(rc, "cannot close archive root directory");
2020 if (opt.o_archive_id_cnt > 0) {
2021 free(opt.o_archive_id);
2022 opt.o_archive_id = NULL;
2023 opt.o_archive_id_cnt = 0;
2029 int main(int argc, char **argv)
2033 snprintf(cmd_name, sizeof(cmd_name), "%s", basename(argv[0]));
2034 rc = ct_parseopts(argc, argv);
2036 CT_WARN("try '%s --help' for more information", cmd_name);
2044 switch (opt.o_action) {
2046 rc = ct_import_recurse(opt.o_src);
2052 rc = ct_max_sequence();
2059 if (opt.o_action != CA_MAXSEQ)
2060 CT_TRACE("process finished, errs: %d major, %d minor,"
2061 " rc=%d (%s)", err_major, err_minor, rc,