Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 | 2 | #include <linux/kernel.h> |
bff61975 | 3 | #include <linux/blkdev.h> |
1da177e4 LT |
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 | ||
1da177e4 LT |
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; | |
1da177e4 | 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 | static inline u32 bstat(char *name) |
24 | { | |
046aa126 AB |
25 | struct kstat stat; |
26 | if (vfs_stat(name, &stat) != 0) | |
1da177e4 | 27 | return 0; |
046aa126 | 28 | if (!S_ISBLK(stat.mode)) |
1da177e4 | 29 | return 0; |
046aa126 | 30 | return stat.rdev; |
1da177e4 | 31 | } |
1da177e4 LT |
32 | |
33 | #ifdef CONFIG_BLK_DEV_RAM | |
34 | ||
35 | int __init rd_load_disk(int n); | |
36 | int __init rd_load_image(char *from); | |
37 | ||
38 | #else | |
39 | ||
40 | static inline int rd_load_disk(int n) { return 0; } | |
41 | static inline int rd_load_image(char *from) { return 0; } | |
42 | ||
43 | #endif | |
44 | ||
45 | #ifdef CONFIG_BLK_DEV_INITRD | |
46 | ||
f057f3b2 | 47 | bool __init initrd_load(void); |
1da177e4 LT |
48 | |
49 | #else | |
50 | ||
f057f3b2 | 51 | static inline bool initrd_load(void) { return false; } |
1da177e4 LT |
52 | |
53 | #endif | |
54 | ||
55 | #ifdef CONFIG_BLK_DEV_MD | |
56 | ||
57 | void md_run_setup(void); | |
58 | ||
59 | #else | |
60 | ||
61 | static inline void md_run_setup(void) {} | |
62 | ||
63 | #endif | |
0cc78aab WD |
64 | |
65 | #ifdef CONFIG_BLK_DEV_DM | |
66 | ||
67 | void dm_run_setup(void); | |
68 | ||
69 | #else | |
70 | ||
71 | static inline void dm_run_setup(void) {} | |
72 | ||
73 | #endif |