xref: /openbmc/linux/init/do_mounts.h (revision d5cb9783536a41df9f9cba5b0a1d78047ed787f7)
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 void  change_floppy(char *fmt, ...);
13 void  mount_block_root(char *name, int flags);
14 void  mount_root(void);
15 extern int root_mountflags;
16 extern char *root_device_name;
17 
18 #ifdef CONFIG_DEVFS_FS
19 
20 void mount_devfs(void);
21 void umount_devfs(char *path);
22 int  create_dev(char *name, dev_t dev, char *devfs_name);
23 
24 #else
25 
26 static inline void mount_devfs(void) {}
27 static inline void umount_devfs(const char *path) {}
28 
29 static inline int create_dev(char *name, dev_t dev, char *devfs_name)
30 {
31 	sys_unlink(name);
32 	return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
33 }
34 
35 #endif
36 
37 #if BITS_PER_LONG == 32
38 static inline u32 bstat(char *name)
39 {
40 	struct stat64 stat;
41 	if (sys_stat64(name, &stat) != 0)
42 		return 0;
43 	if (!S_ISBLK(stat.st_mode))
44 		return 0;
45 	if (stat.st_rdev != (u32)stat.st_rdev)
46 		return 0;
47 	return stat.st_rdev;
48 }
49 #else
50 static inline u32 bstat(char *name)
51 {
52 	struct stat stat;
53 	if (sys_newstat(name, &stat) != 0)
54 		return 0;
55 	if (!S_ISBLK(stat.st_mode))
56 		return 0;
57 	return stat.st_rdev;
58 }
59 #endif
60 
61 #ifdef CONFIG_BLK_DEV_RAM
62 
63 int __init rd_load_disk(int n);
64 int __init rd_load_image(char *from);
65 
66 #else
67 
68 static inline int rd_load_disk(int n) { return 0; }
69 static inline int rd_load_image(char *from) { return 0; }
70 
71 #endif
72 
73 #ifdef CONFIG_BLK_DEV_INITRD
74 
75 int __init initrd_load(void);
76 
77 #else
78 
79 static inline int initrd_load(void) { return 0; }
80 
81 #endif
82 
83 #ifdef CONFIG_BLK_DEV_MD
84 
85 void md_run_setup(void);
86 
87 #else
88 
89 static inline void md_run_setup(void) {}
90 
91 #endif
92