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