← Back to branch summary

~ubuntu-branches/ubuntu/trusty/util-linux/trusty-proposed

« back to all changes in this revision

Viewing changes to libblkid/src/superblocks/xfs.c

  • Committer: Package Import Robot
  • Author(s): LaMont Jones
  • Date: 2011-11-03 15:38:23 UTC
  • mto: (4.5.5 sid) (1.6.4)
  • mto: This revision was merged to the branch mainline in revision 85.
  • Revision ID: package-import@ubuntu.com-20111103153823-10sx16jprzxlhkqf
Import upstream version 2.20.1

Show diffs side-by-side

added added

removed removed

Lines of Context:
libblkid/src/superblocks/xfs.c
 
1
/*
 
2
 * Copyright (C) 1999 by Andries Brouwer
 
3
 * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o
 
4
 * Copyright (C) 2001 by Andreas Dilger
 
5
 * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
 
6
 * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
 
7
 *
 
8
 * This file may be redistributed under the terms of the
 
9
 * GNU Lesser General Public License.
 
10
 */
 
11
 
 
12
#include <stdio.h>
 
13
#include <stdlib.h>
 
14
#include <unistd.h>
 
15
#include <string.h>
 
16
#include <errno.h>
 
17
#include <ctype.h>
 
18
#include <stdint.h>
 
19
 
 
20
#include "superblocks.h"
 
21
 
 
22
struct xfs_super_block {
 
23
        unsigned char   xs_magic[4];
 
24
        uint32_t        xs_blocksize;
 
25
        uint64_t        xs_dblocks;
 
26
        uint64_t        xs_rblocks;
 
27
        uint32_t        xs_dummy1[2];
 
28
        unsigned char   xs_uuid[16];
 
29
        uint32_t        xs_dummy2[15];
 
30
        char            xs_fname[12];
 
31
        uint32_t        xs_dummy3[2];
 
32
        uint64_t        xs_icount;
 
33
        uint64_t        xs_ifree;
 
34
        uint64_t        xs_fdblocks;
 
35
} __attribute__((packed));
 
36
 
 
37
static int probe_xfs(blkid_probe pr, const struct blkid_idmag *mag)
 
38
{
 
39
        struct xfs_super_block *xs;
 
40
 
 
41
        xs = blkid_probe_get_sb(pr, mag, struct xfs_super_block);
 
42
        if (!xs)
 
43
                return -1;
 
44
 
 
45
        if (strlen(xs->xs_fname))
 
46
                blkid_probe_set_label(pr, (unsigned char *) xs->xs_fname,
 
47
                                sizeof(xs->xs_fname));
 
48
        blkid_probe_set_uuid(pr, xs->xs_uuid);
 
49
        return 0;
 
50
}
 
51
 
 
52
const struct blkid_idinfo xfs_idinfo =
 
53
{
 
54
        .name           = "xfs",
 
55
        .usage          = BLKID_USAGE_FILESYSTEM,
 
56
        .probefunc      = probe_xfs,
 
57
        .magics         =
 
58
        {
 
59
                { .magic = "XFSB", .len = 4 },
 
60
                { NULL }
 
61
        }
 
62
};
 
63