root/init/do_mounts.h

INCLUDED FROM

DEFINITIONS

1. create_dev
2. bstat
3. rd_load_disk
4. rd_load_image
5. initrd_load
6. md_run_setup

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/kernel.h>
   3 #include <linux/blkdev.h>
   4 #include <linux/init.h>
   5 #include <linux/syscalls.h>
   6 #include <linux/unistd.h>
   7 #include <linux/slab.h>
   8 #include <linux/mount.h>
   9 #include <linux/major.h>
  10 #include <linux/root_dev.h>
  11 
  12 void  change_floppy(char *fmt, ...);
  13 void  mount_block_root(char *name, int flags);
  14 void  mount_root(void);
  15 extern int root_mountflags;
  16 
  17 static inline int create_dev(char *name, dev_t dev)
  18 {
  19         ksys_unlink(name);
  20         return ksys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
  21 }
  22 
  23 static inline u32 bstat(char *name)
  24 {
  25         struct kstat stat;
  26         if (vfs_stat(name, &stat) != 0)
  27                 return 0;
  28         if (!S_ISBLK(stat.mode))
  29                 return 0;
  30         return stat.rdev;
  31 }
  32 
  33 #ifdef CONFIG_BLK_DEV_RAM
  34 
  35 int __init rd_load_disk(int n);
  36 int __init rd_load_image(char *from);
  37 
  38 #else
  39 
  40 static inline int rd_load_disk(int n) { return 0; }
  41 static inline int rd_load_image(char *from) { return 0; }
  42 
  43 #endif
  44 
  45 #ifdef CONFIG_BLK_DEV_INITRD
  46 
  47 bool __init initrd_load(void);
  48 
  49 #else
  50 
  51 static inline bool initrd_load(void) { return false; }
  52 
  53 #endif
  54 
  55 #ifdef CONFIG_BLK_DEV_MD
  56 
  57 void md_run_setup(void);
  58 
  59 #else
  60 
  61 static inline void md_run_setup(void) {}
  62 
  63 #endif