#include <linux/config.h>#include <linux/kernel.h>#include <linux/devfs_fs_kernel.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;extern char *root_device_name; #ifdef CONFIG_DEVFS_FS void mount_devfs(void);void umount_devfs(char *path);int  create_dev(char *name, dev_t dev, char *devfs_name); #else static inline void mount_devfs(void) {}static inline void umount_devfs(const char *path) {} static inline int create_dev(char *name, dev_t dev, char *devfs_name){	sys_unlink(name);	return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));} #endif #if BITS_PER_LONG == 32static 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;}#elsestatic 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