1 #include <linux/kernel.h> 2 #include <linux/blkdev.h> 3 #include <linux/init.h> 4 #include <linux/syscalls.h> 5 #include <linux/unistd.h> 6 #include <linux/slab.h> 7 #include <linux/mount.h> 8 #include <linux/major.h> 9 #include <linux/root_dev.h> 10 11 void change_floppy(char *fmt, ...); 12 void mount_block_root(char *name, int flags); 13 void mount_root(void); 14 extern int root_mountflags; 15 16 static 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 23 static 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 35 static 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 48 int __init rd_load_disk(int n); 49 int __init rd_load_image(char *from); 50 51 #else 52 53 static inline int rd_load_disk(int n) { return 0; } 54 static inline int rd_load_image(char *from) { return 0; } 55 56 #endif 57 58 #ifdef CONFIG_BLK_DEV_INITRD 59 60 int __init initrd_load(void); 61 62 #else 63 64 static inline int initrd_load(void) { return 0; } 65 66 #endif 67 68 #ifdef CONFIG_BLK_DEV_MD 69 70 void md_run_setup(void); 71 72 #else 73 74 static inline void md_run_setup(void) {} 75 76 #endif 77