1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Copyright (C) 2008 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#include <stdio.h>
#include "superblocks.h"
struct vxfs_super_block {
uint32_t vs_magic;
int32_t vs_version;
uint32_t vs_ctime;
uint32_t vs_cutime;
uint32_t __unused1;
uint32_t __unused2;
uint32_t vs_old_logstart;
uint32_t vs_old_logend;
uint32_t vs_bsize;
uint32_t vs_size;
uint32_t vs_dsize;
};
static int probe_vxfs(blkid_probe pr, const struct blkid_idmag *mag)
{
struct vxfs_super_block *vxs;
vxs = blkid_probe_get_sb(pr, mag, struct vxfs_super_block);
if (!vxs)
return errno ? -errno : 1;
if (le32_to_cpu(vxs->vs_magic) == 0xa501fcf5) {
blkid_probe_sprintf_version(pr, "%u", (unsigned int)le32_to_cpu(vxs->vs_version));
blkid_probe_set_block_size(pr, le32_to_cpu(vxs->vs_bsize));
} else if (be32_to_cpu(vxs->vs_magic) == 0xa501fcf5) {
blkid_probe_sprintf_version(pr, "%u", (unsigned int)be32_to_cpu(vxs->vs_version));
blkid_probe_set_block_size(pr, be32_to_cpu(vxs->vs_bsize));
}
return 0;
}
const struct blkid_idinfo vxfs_idinfo =
{
.name = "vxfs",
.usage = BLKID_USAGE_FILESYSTEM,
.probefunc = probe_vxfs,
.magics =
{
{ .magic = "\365\374\001\245", .len = 4, .kboff = 1 },
{ .magic = "\245\001\374\365", .len = 4, .kboff = 8 },
{ NULL }
}
};
|
