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
21 //kbuild:lib-$(CONFIG_FEATURE_VOLUMEID_CRAMFS) += cramfs.o
24 //config:config FEATURE_VOLUMEID_CRAMFS
25 //config: bool "cramfs filesystem"
27 //config: depends on VOLUMEID
32 #include "volume_id_internal.h"
39 uint8_t signature[16];
49 int FAST_FUNC volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/)
51 #define off ((uint64_t)0)
52 struct cramfs_super *cs;
54 dbg("probing at offset 0x%llx", (unsigned long long) off);
56 cs = volume_id_get_buffer(id, off, 0x200);
60 if (cs->magic == cpu_to_be32(0x453dcd28)) {
61 // volume_id_set_label_raw(id, cs->name, 16);
62 volume_id_set_label_string(id, cs->name, 16);
64 // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
65 IF_FEATURE_BLKID_TYPE(id->type = "cramfs";)