blob: 09d22862e8c38d49339a1ea09f01288eed5b60b3 (
plain)
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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/mount.h>
#include <linux/major.h>
#include <linux/root_dev.h>
void change_floppy(char *fmt, ...);
void mount_block_root(char *name, int flags);
void mount_root(void);
extern int root_mountflags;
static inline int create_dev(char *name, dev_t dev)
{
sys_unlink(name);
return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
}
#if BITS_PER_LONG == 32
static inline u32 bstat(char *name)
{
struct stat64 stat;
if (sys_stat64(name, &stat) != 0)
return 0;
if (!S_ISBLK(stat.st_mode))
return 0;
if (stat.st_rdev != (u32)stat.st_rdev)
return 0;
return stat.st_rdev;
}
#else
static inline u32 bstat(char *name)
{
struct stat stat;
if (sys_newstat(name, &stat) != 0)
return 0;
if (!S_ISBLK(stat.st_mode))
return 0;
return stat.st_rdev;
}
#endif
#ifdef CONFIG_BLK_DEV_RAM
int __init rd_load_disk(int n);
int __init rd_load_image(char *from);
#else
static inline int rd_load_disk(int n) { return 0; }
static inline int rd_load_image(char *from) { return 0; }
#endif
#ifdef CONFIG_BLK_DEV_INITRD
int __init initrd_load(void);
#else
static inline int initrd_load(void) { return 0; }
#endif
#ifdef CONFIG_BLK_DEV_MD
void md_run_setup(void);
#else
static inline void md_run_setup(void) {}
#endif
#ifdef CONFIG_BLK_DEV_DM
void dm_run_setup(void);
#else
static inline void dm_run_setup(void) {}
#endif
|