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1da177e4 LT |
1 | #include <linux/config.h> |
2 | #include <linux/kernel.h> | |
1da177e4 LT |
3 | #include <linux/init.h> |
4 | #include <linux/syscalls.h> | |
5 | #include <linux/unistd.h> | |
6 | #include <linux/slab.h> | |
7 | #include <linux/mount.h> | |
8 | #include <linux/major.h> | |
9 | #include <linux/root_dev.h> | |
10 | ||
1da177e4 LT |
11 | void change_floppy(char *fmt, ...); |
12 | void mount_block_root(char *name, int flags); | |
13 | void mount_root(void); | |
14 | extern int root_mountflags; | |
15 | extern char *root_device_name; | |
16 | ||
bdaf8529 | 17 | static inline int create_dev(char *name, dev_t dev) |
1da177e4 LT |
18 | { |
19 | sys_unlink(name); | |
20 | return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); | |
21 | } | |
22 | ||
1da177e4 LT |
23 | #if BITS_PER_LONG == 32 |
24 | static inline u32 bstat(char *name) | |
25 | { | |
26 | struct stat64 stat; | |
27 | if (sys_stat64(name, &stat) != 0) | |
28 | return 0; | |
29 | if (!S_ISBLK(stat.st_mode)) | |
30 | return 0; | |
31 | if (stat.st_rdev != (u32)stat.st_rdev) | |
32 | return 0; | |
33 | return stat.st_rdev; | |
34 | } | |
35 | #else | |
36 | static inline u32 bstat(char *name) | |
37 | { | |
38 | struct stat stat; | |
39 | if (sys_newstat(name, &stat) != 0) | |
40 | return 0; | |
41 | if (!S_ISBLK(stat.st_mode)) | |
42 | return 0; | |
43 | return stat.st_rdev; | |
44 | } | |
45 | #endif | |
46 | ||
47 | #ifdef CONFIG_BLK_DEV_RAM | |
48 | ||
49 | int __init rd_load_disk(int n); | |
50 | int __init rd_load_image(char *from); | |
51 | ||
52 | #else | |
53 | ||
54 | static inline int rd_load_disk(int n) { return 0; } | |
55 | static inline int rd_load_image(char *from) { return 0; } | |
56 | ||
57 | #endif | |
58 | ||
59 | #ifdef CONFIG_BLK_DEV_INITRD | |
60 | ||
61 | int __init initrd_load(void); | |
62 | ||
63 | #else | |
64 | ||
65 | static inline int initrd_load(void) { return 0; } | |
66 | ||
67 | #endif | |
68 | ||
69 | #ifdef CONFIG_BLK_DEV_MD | |
70 | ||
71 | void md_run_setup(void); | |
72 | ||
73 | #else | |
74 | ||
75 | static inline void md_run_setup(void) {} | |
76 | ||
77 | #endif |