make register_disk() static
[linux-2.6.git] / block / partitions / karma.c
1 /*
2  *  fs/partitions/karma.c
3  *  Rio Karma partition info.
4  *
5  *  Copyright (C) 2006 Bob Copeland (me@bobcopeland.com)
6  *  based on osf.c
7  */
8
9 #include "check.h"
10 #include "karma.h"
11
12 int karma_partition(struct parsed_partitions *state)
13 {
14         int i;
15         int slot = 1;
16         Sector sect;
17         unsigned char *data;
18         struct disklabel {
19                 u8 d_reserved[270];
20                 struct d_partition {
21                         __le32 p_res;
22                         u8 p_fstype;
23                         u8 p_res2[3];
24                         __le32 p_offset;
25                         __le32 p_size;
26                 } d_partitions[2];
27                 u8 d_blank[208];
28                 __le16 d_magic;
29         } __attribute__((packed)) *label;
30         struct d_partition *p;
31
32         data = read_part_sector(state, 0, &sect);
33         if (!data)
34                 return -1;
35
36         label = (struct disklabel *)data;
37         if (le16_to_cpu(label->d_magic) != KARMA_LABEL_MAGIC) {
38                 put_dev_sector(sect);
39                 return 0;
40         }
41
42         p = label->d_partitions;
43         for (i = 0 ; i < 2; i++, p++) {
44                 if (slot == state->limit)
45                         break;
46
47                 if (p->p_fstype == 0x4d && le32_to_cpu(p->p_size)) {
48                         put_partition(state, slot, le32_to_cpu(p->p_offset),
49                                 le32_to_cpu(p->p_size));
50                 }
51                 slot++;
52         }
53         strlcat(state->pp_buf, "\n", PAGE_SIZE);
54         put_dev_sector(sect);
55         return 1;
56 }
57