Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #include <linux/kernel.h> |
NeilBrown | bff6197 | 2009-03-31 14:33:13 +1100 | [diff] [blame] | 3 | #include <linux/blkdev.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Christoph Hellwig | c60166f | 2020-07-21 11:12:08 +0200 | [diff] [blame] | 11 | #include <linux/init_syscalls.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | void mount_block_root(char *name, int flags); |
| 14 | void mount_root(void); |
| 15 | extern int root_mountflags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | |
Christoph Hellwig | 09cbcec | 2020-07-21 12:20:16 +0200 | [diff] [blame] | 17 | static inline __init int create_dev(char *name, dev_t dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | { |
Christoph Hellwig | 8fb9f73 | 2020-07-23 08:23:40 +0200 | [diff] [blame] | 19 | init_unlink(name); |
Christoph Hellwig | 5fee64f | 2020-07-22 11:41:20 +0200 | [diff] [blame] | 20 | return init_mknod(name, S_IFBLK | 0600, new_encode_dev(dev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | } |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #ifdef CONFIG_BLK_DEV_RAM |
| 24 | |
| 25 | int __init rd_load_disk(int n); |
| 26 | int __init rd_load_image(char *from); |
| 27 | |
| 28 | #else |
| 29 | |
| 30 | static inline int rd_load_disk(int n) { return 0; } |
| 31 | static inline int rd_load_image(char *from) { return 0; } |
| 32 | |
| 33 | #endif |
| 34 | |
| 35 | #ifdef CONFIG_BLK_DEV_INITRD |
| 36 | |
Yaowei Bai | f057f3b | 2016-01-20 14:59:29 -0800 | [diff] [blame] | 37 | bool __init initrd_load(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
| 39 | #else |
| 40 | |
Yaowei Bai | f057f3b | 2016-01-20 14:59:29 -0800 | [diff] [blame] | 41 | static inline bool initrd_load(void) { return false; } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | #endif |