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 15 void mount_root_generic(char *name, char *pretty_name, int flags); 16 void mount_root(char *root_device_name); 17 extern int root_mountflags; 18 19 static inline __init int create_dev(char *name, dev_t dev) 20 { 21 init_unlink(name); 22 return init_mknod(name, S_IFBLK | 0600, new_encode_dev(dev)); 23 } 24 25 #ifdef CONFIG_BLK_DEV_RAM 26 27 int __init rd_load_disk(int n); 28 int __init rd_load_image(char *from); 29 30 #else 31 32 static inline int rd_load_disk(int n) { return 0; } 33 static inline int rd_load_image(char *from) { return 0; } 34 35 #endif 36 37 #ifdef CONFIG_BLK_DEV_INITRD 38 bool __init initrd_load(char *root_device_name); 39 #else 40 static 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. */ 48 static inline void init_flush_fput(void) 49 { 50 flush_delayed_fput(); 51 task_work_run(); 52 } 53