2 * volume_id - reads filesystem label and uuid
4 * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
35 #include <asm/types.h>
37 #include "volume_id.h"
53 } __attribute__((__packed__)) info;
55 } __attribute__((__packed__));
57 int volume_id_probe_cramfs(struct volume_id *id, __u64 off)
59 struct cramfs_super *cs;
61 dbg("probing at offset 0x%llx", (unsigned long long) off);
63 cs = (struct cramfs_super *) volume_id_get_buffer(id, off, 0x200);
67 if (memcmp(cs->magic, "\x45\x3d\xcd\x28", 4) == 0) {
68 volume_id_set_label_raw(id, cs->name, 16);
69 volume_id_set_label_string(id, cs->name, 16);
71 volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);