| /* 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) | |
| { | |
| ksys_unlink(name); | |
| return ksys_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 |