int chunk = 0;
long long size = -1;
+ long long array_size = -1;
int level = UnSet;
int layout = UnSet;
int raiddisks = 0;
int rebuild_map = 0;
int auto_update_home = 0;
- int copies;
int print_help = 0;
FILE *outf;
}
continue;
+ case O(GROW,'Z'): /* array size */
+ if (array_size >= 0) {
+ fprintf(stderr, Name ": array-size may only be specified once. "
+ "Second value is %s.\n", optarg);
+ exit(2);
+ }
+ if (strcmp(optarg, "max") == 0)
+ array_size = 0;
+ else {
+ array_size = parse_size(optarg);
+ if (array_size <= 0) {
+ fprintf(stderr, Name ": invalid array size: %s\n",
+ optarg);
+ exit(2);
+ }
+ }
+ continue;
+
case O(GROW,'l'): /* hack - needed to understand layout */
case O(CREATE,'l'):
case O(BUILD,'l'): /* set raid level*/
break;
case 10:
- /* 'f', 'o' or 'n' followed by a number <= raid_disks */
- if ((optarg[0] != 'n' && optarg[0] != 'f' && optarg[0] != 'o') ||
- (copies = strtoul(optarg+1, &cp, 10)) < 1 ||
- copies > 200 ||
- *cp) {
+ layout = parse_layout_10(optarg);
+ if (layout < 0) {
fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg);
exit(2);
}
- if (optarg[0] == 'n')
- layout = 256 + copies;
- else if (optarg[0] == 'o')
- layout = 0x10000 + (copies<<8) + 1;
- else
- layout = 1 + (copies<<8);
break;
case -5: /* Faulty
* modeNNN
*/
-
- {
- int ln = strcspn(optarg, "0123456789");
- char *m = strdup(optarg);
- int mode;
- m[ln] = 0;
- mode = map_name(faultylayout, m);
- if (mode == UnSet) {
+ layout = parse_layout_faulty(optarg);
+ if (layout == -1) {
fprintf(stderr, Name ": layout %s not understood for faulty.\n",
optarg);
exit(2);
}
- layout = mode | (atoi(optarg+ln)<< ModeShift);
- }
+ break;
}
continue;
break;
case GROW:
+ if (array_size >= 0) {
+ /* alway impose array size first, independent of
+ * anything else
+ */
+ struct mdinfo sra;
+ int err;
+ sysfs_init(&sra, mdfd, 0);
+ if (array_size == 0)
+ err = sysfs_set_str(&sra, NULL, "array_size", "default");
+ else
+ err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2);
+ if (err < 0) {
+ if (errno == E2BIG)
+ fprintf(stderr, Name ": --array-size setting"
+ " is too large.\n");
+ else
+ fprintf(stderr, Name ": current kernel does"
+ " not support setting --array-size\n");
+ rv = 1;
+ break;
+ }
+ }
if (devs_found > 1) {
/* must be '-a'. */
if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file,
bitmap_chunk, delay, write_behind, force);
- } else
+ } else if (array_size < 0)
fprintf(stderr, Name ": no changes to --grow\n");
break;
case INCREMENTAL: