/* 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