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1da177e4 LT |
1 | #include <linux/config.h> |
2 | #include <linux/kernel.h> | |
3 | #include <linux/devfs_fs_kernel.h> | |
4 | #include <linux/init.h> | |
5 | #include <linux/syscalls.h> | |
6 | #include <linux/unistd.h> | |
7 | #include <linux/slab.h> | |
8 | #include <linux/mount.h> | |
9 | #include <linux/major.h> | |
10 | #include <linux/root_dev.h> | |
11 | ||
12 | dev_t name_to_dev_t(char *name); | |
13 | void change_floppy(char *fmt, ...); | |
14 | void mount_block_root(char *name, int flags); | |
15 | void mount_root(void); | |
16 | extern int root_mountflags; | |
17 | extern char *root_device_name; | |
18 | ||
19 | #ifdef CONFIG_DEVFS_FS | |
20 | ||
21 | void mount_devfs(void); | |
22 | void umount_devfs(char *path); | |
23 | int create_dev(char *name, dev_t dev, char *devfs_name); | |
24 | ||
25 | #else | |
26 | ||
27 | static inline void mount_devfs(void) {} | |
28 | static inline void umount_devfs(const char *path) {} | |
29 | ||
30 | static inline int create_dev(char *name, dev_t dev, char *devfs_name) | |
31 | { | |
32 | sys_unlink(name); | |
33 | return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); | |
34 | } | |
35 | ||
36 | #endif | |
37 | ||
38 | #if BITS_PER_LONG == 32 | |
39 | static inline u32 bstat(char *name) | |
40 | { | |
41 | struct stat64 stat; | |
42 | if (sys_stat64(name, &stat) != 0) | |
43 | return 0; | |
44 | if (!S_ISBLK(stat.st_mode)) | |
45 | return 0; | |
46 | if (stat.st_rdev != (u32)stat.st_rdev) | |
47 | return 0; | |
48 | return stat.st_rdev; | |
49 | } | |
50 | #else | |
51 | static inline u32 bstat(char *name) | |
52 | { | |
53 | struct stat stat; | |
54 | if (sys_newstat(name, &stat) != 0) | |
55 | return 0; | |
56 | if (!S_ISBLK(stat.st_mode)) | |
57 | return 0; | |
58 | return stat.st_rdev; | |
59 | } | |
60 | #endif | |
61 | ||
62 | #ifdef CONFIG_BLK_DEV_RAM | |
63 | ||
64 | int __init rd_load_disk(int n); | |
65 | int __init rd_load_image(char *from); | |
66 | ||
67 | #else | |
68 | ||
69 | static inline int rd_load_disk(int n) { return 0; } | |
70 | static inline int rd_load_image(char *from) { return 0; } | |
71 | ||
72 | #endif | |
73 | ||
74 | #ifdef CONFIG_BLK_DEV_INITRD | |
75 | ||
76 | int __init initrd_load(void); | |
77 | ||
78 | #else | |
79 | ||
80 | static inline int initrd_load(void) { return 0; } | |
81 | ||
82 | #endif | |
83 | ||
84 | #ifdef CONFIG_BLK_DEV_MD | |
85 | ||
86 | void md_run_setup(void); | |
87 | ||
88 | #else | |
89 | ||
90 | static inline void md_run_setup(void) {} | |
91 | ||
92 | #endif |