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#include <linux/init_syscalls.h>
12#include <linux/task_work.h>
13#include <linux/file.h>
14
15void mount_root_generic(char *name, char *pretty_name, int flags);
16void mount_root(char *root_device_name);
17extern int root_mountflags;
18
19static inline __init int create_dev(char *name, dev_t dev)
20{
21 init_unlink(pathname: name);
22 return init_mknod(filename: name, S_IFBLK | 0600, dev: new_encode_dev(dev));
23}
24
25#ifdef CONFIG_BLK_DEV_RAM
26
27int __init rd_load_disk(int n);
28int __init rd_load_image(char *from);
29
30#else
31
32static inline int rd_load_disk(int n) { return 0; }
33static inline int rd_load_image(char *from) { return 0; }
34
35#endif
36
37#ifdef CONFIG_BLK_DEV_INITRD
38bool __init initrd_load(char *root_device_name);
39#else
40static inline bool initrd_load(char *root_device_name)
41{
42 return false;
43 }
44
45#endif
46
47/* Ensure that async file closing finished to prevent spurious errors. */
48static inline void init_flush_fput(void)
49{
50 flush_delayed_fput();
51 task_work_run();
52}
53