Always dump partition labels with gpart backup, but gpart restore
does restore them only when -l option is specified [1]. Make number of entries field in backup format optional. Document -l and -r options of `gpart show` action. Suggested by: pjd [1] MFC after: 1 week
This commit is contained in:
Andrey V. Elsukov
parent
1e09d6ca0e
commit
80085938d4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=215671
@ -100,10 +100,8 @@ struct g_command PUBSYM(class_commands)[] = {
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G_OPT_SENTINEL },
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"[-b start] [-s size] -t type [-i index] [-l label] [-f flags] geom"
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},
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{ "backup", 0, gpart_backup, {
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{ 'l', "backup_labels", NULL, G_TYPE_BOOL},
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G_OPT_SENTINEL },
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"[-l] geom"
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{ "backup", 0, gpart_backup, G_NULL_OPTS,
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"geom"
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},
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{ "bootcode", 0, gpart_bootcode, {
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{ 'b', GPART_PARAM_BOOTCODE, G_VAL_OPTIONAL, G_TYPE_STRING },
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@ -175,9 +173,10 @@ struct g_command PUBSYM(class_commands)[] = {
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},
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{ "restore", 0, gpart_restore, {
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{ 'F', "force", NULL, G_TYPE_BOOL },
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{ 'l', "restore_labels", NULL, G_TYPE_BOOL },
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{ 'f', "flags", GPART_FLAGS, G_TYPE_STRING },
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G_OPT_SENTINEL },
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"[-F] [-f flags] provider [...]"
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"[-lF] [-f flags] provider [...]"
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},
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{ "recover", 0, gpart_issue, {
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{ 'f', "flags", GPART_FLAGS, G_TYPE_STRING },
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@ -678,7 +677,7 @@ gpart_backup(struct gctl_req *req, unsigned int fl __unused)
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const char *s, *scheme;
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off_t sector, end;
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off_t length, secsz;
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int error, labels, i, windex, wblocks, wtype;
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int error, i, windex, wblocks, wtype;
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if (gctl_get_int(req, "nargs") != 1)
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errx(EXIT_FAILURE, "Invalid number of arguments.");
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@ -696,7 +695,6 @@ gpart_backup(struct gctl_req *req, unsigned int fl __unused)
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s = gctl_get_ascii(req, "arg0");
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if (s == NULL)
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abort();
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labels = gctl_get_int(req, "backup_labels");
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gp = find_geom(classp, s);
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if (gp == NULL)
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errx(EXIT_FAILURE, "No such geom: %s.", s);
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@ -734,14 +732,12 @@ gpart_backup(struct gctl_req *req, unsigned int fl __unused)
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length = end - sector + 1;
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}
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s = find_provcfg(pp, "label");
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printf("%-*s %*s %*jd %*jd",
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printf("%-*s %*s %*jd %*jd %s %s\n",
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windex, find_provcfg(pp, "index"),
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wtype, find_provcfg(pp, "type"),
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wblocks, (intmax_t)sector,
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wblocks, (intmax_t)length);
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if (labels && s != NULL)
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printf(" %s", s);
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printf(" %s\n", fmtattrib(pp));
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wblocks, (intmax_t)length,
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(s != NULL) ? s: "", fmtattrib(pp));
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}
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geom_deletetree(&mesh);
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}
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@ -769,7 +765,7 @@ gpart_restore(struct gctl_req *req, unsigned int fl __unused)
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struct ggeom *gp;
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const char *s, *flags, *errstr, *label;
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char **ap, *argv[6], line[BUFSIZ], *pline;
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int error, forced, i, l, nargs, created;
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int error, forced, i, l, nargs, created, rl;
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intmax_t n;
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nargs = gctl_get_int(req, "nargs");
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@ -778,6 +774,7 @@ gpart_restore(struct gctl_req *req, unsigned int fl __unused)
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forced = gctl_get_int(req, "force");
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flags = gctl_get_ascii(req, "flags");
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rl = gctl_get_int(req, "restore_labels");
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s = gctl_get_ascii(req, "class");
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if (s == NULL)
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abort();
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@ -829,19 +826,21 @@ gpart_restore(struct gctl_req *req, unsigned int fl __unused)
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break;
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l = ap - &argv[0];
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label = pline = NULL;
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if (l == 2) { /* create table */
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if (l == 1 || l == 2) { /* create table */
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if (created)
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errx(EXIT_FAILURE, "Incorrect backup format.");
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n = atoi(argv[1]);
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if (l == 2)
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n = strtoimax(argv[1], NULL, 0);
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for (i = 0; i < nargs; i++) {
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s = gctl_get_ascii(req, "arg%d", i);
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r = gctl_get_handle();
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n = strtoimax(argv[1], NULL, 0);
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gctl_ro_param(r, "class", -1,
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classp->lg_name);
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gctl_ro_param(r, "verb", -1, "create");
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gctl_ro_param(r, "scheme", -1, argv[0]);
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gctl_ro_param(r, "entries", sizeof(n), &n);
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if (l == 2)
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gctl_ro_param(r, "entries",
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sizeof(n), &n);
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gctl_ro_param(r, "flags", -1, "restore");
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gctl_ro_param(r, "arg0", -1, s);
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errstr = gctl_issue(r);
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@ -877,7 +876,7 @@ gpart_restore(struct gctl_req *req, unsigned int fl __unused)
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gctl_ro_param(r, "type", -1, argv[1]);
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gctl_ro_param(r, "start", -1, argv[2]);
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gctl_ro_param(r, "size", -1, argv[3]);
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if (label != NULL)
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if (rl != 0 && label != NULL)
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gctl_ro_param(r, "label", -1, argv[4]);
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gctl_ro_param(r, "arg0", -1, s);
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error = gpart_autofill(r);
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@ -24,7 +24,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd November 20, 2010
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.Dd November 22, 2010
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.Dt GPART 8
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.Os
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.Sh NAME
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@ -94,7 +94,6 @@ utility:
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.\" ==== BACKUP ====
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.Nm
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.Cm backup
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.Op Fl l
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.Ar geom
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.\" ==== BOOTCODE ====
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.Nm
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@ -149,7 +148,7 @@ utility:
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.\" ==== RESTORE ====
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.Nm
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.Cm restore
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.Op Fl F
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.Op Fl lF
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.Op Fl f Ar flags
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.Ar provider
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.Op Ar ...
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@ -163,6 +162,7 @@ utility:
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.\" ==== SHOW ====
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.Nm
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.Cm show
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.Op Fl lr
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.Op Ar geom ...
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.\" ==== UNDO ====
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.Nm
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@ -225,12 +225,6 @@ about its use.
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Dump a partition table to standard output in special format used by
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.Cm restore
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action.
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.Pp
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Additional options include:
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.Bl -tag -width 10n
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.It Fl l
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Dump partition labels for partitioning schemes that support them.
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.El
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.\" ==== BOOTCODE ====
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.It Cm bootcode
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Embed bootstrap code into the partitioning scheme's metadata on the
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@ -439,6 +433,8 @@ Additional options include:
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Destroy partition table on the given
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.Ar provider
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before doing restore.
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.It Fl l
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Restore partition labels for partitioning schemes that support them.
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.It Fl f Ar flags
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Additional operational flags.
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See the section entitled
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@ -466,6 +462,14 @@ about its use.
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.It Cm show
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Show the current partition information of the specified geoms
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or all geoms if none are specified.
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Additional options include:
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.Bl -tag -width 10n
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.It Fl l
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For partition schemes that support partition labels print them
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instead of partition type.
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.It Fl r
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Show raw partition type instead of symbolic name.
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.El
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.\" ==== UNDO ====
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.It Cm undo
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Revert any pending changes for geom
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@ -819,13 +823,13 @@ After having created all required partitions, embed bootstrap code into them.
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Create backup of partition table from
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.Pa da0
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.Bd -literal -offset indent
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/sbin/gpart backup -l da0 > da0.backup
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/sbin/gpart backup da0 > da0.backup
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.Ed
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.Pp
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Restore partition table from backup to
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.Pa da0
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.Bd -literal -offset indent
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/sbin/gpart restore da0 < /mnt/da0.backup
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/sbin/gpart restore -l da0 < /mnt/da0.backup
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.Ed
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.Pp
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Clone partition table from
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