| /* SPDX-License-Identifier: GPL-2.0 */ |
| #include <linux/kernel.h> |
| #include <linux/blkdev.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; |
| |
| static inline int create_dev(char *name, dev_t dev) |
| { |
| sys_unlink(name); |
| return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); |
| } |
| |
| static inline u32 bstat(char *name) |
| { |
| struct kstat stat; |
| if (vfs_stat(name, &stat) != 0) |
| return 0; |
| if (!S_ISBLK(stat.mode)) |
| return 0; |
| return stat.rdev; |
| } |
| |
| #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 |
| |
| bool __init initrd_load(void); |
| |
| #else |
| |
| static inline bool initrd_load(void) { return false; } |
| |
| #endif |
| |
| #ifdef CONFIG_BLK_DEV_MD |
| |
| void md_run_setup(void); |
| |
| #else |
| |
| static inline void md_run_setup(void) {} |
| |
| #endif |
| |
| #ifdef CONFIG_BLK_DEV_DM |
| |
| void dm_run_setup(void); |
| |
| #else |
| |
| static inline void dm_run_setup(void) {} |
| |
| #endif |