- raid_disks = getnum(argv[1], &err);
- chunk_size = getnum(argv[2], &err);
- layout = getnum(argv[3], &err);
- start = getnum(argv[4], &err);
- length = getnum(argv[5], &err);
+ mdfd = open(argv[1], O_RDONLY);
+ if(mdfd < 0) {
+ perror(argv[1]);
+ fprintf(stderr,"%s: cannot open %s\n", prg, argv[1]);
+ exit(4);
+ }
+
+ info = sysfs_read(mdfd, -1,
+ GET_LEVEL|
+ GET_LAYOUT|
+ GET_DISKS|
+ GET_COMPONENT|
+ GET_CHUNK|
+ GET_DEVS|
+ GET_OFFSET|
+ GET_SIZE);
+
+ if(info->array.level != level) {
+ fprintf(stderr, "%s: %s not a RAID-6\n", prg, argv[1]);
+ exit(5);
+ }
+
+ printf("layout: %d\n", info->array.layout);
+ printf("disks: %d\n", info->array.raid_disks);
+ printf("component size: %llu\n", info->component_size*512);
+ printf("chunk size: %d\n", info->array.chunk_size);
+ printf("\n");
+
+ comp = info->devs;
+ for(i = 0; i < info->array.raid_disks; i++) {
+ printf("disk: %d - offset: %llu - size: %llu - name: %s - slot: %d\n",
+ i, comp->data_offset, comp->component_size*512,
+ map_dev(comp->disk.major, comp->disk.minor, 0),
+ comp->disk.raid_disk);
+
+ comp = comp->next;
+ }
+ printf("\n");
+
+ close(mdfd);
+
+ raid_disks = info->array.raid_disks;
+ chunk_size = info->array.chunk_size;
+ layout = info->array.layout;
+ start = getnum(argv[2], &err);
+ length = getnum(argv[3], &err);
+