1 #ifndef _LINUX_RAMFS_H
2 #define _LINUX_RAMFS_H
3 
4 struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
5 	 umode_t mode, dev_t dev);
6 extern struct dentry *ramfs_mount(struct file_system_type *fs_type,
7 	 int flags, const char *dev_name, void *data);
8 
9 #ifndef CONFIG_MMU
10 extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
11 extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
12 						   unsigned long addr,
13 						   unsigned long len,
14 						   unsigned long pgoff,
15 						   unsigned long flags);
16 
17 extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
18 #endif
19 
20 extern const struct file_operations ramfs_file_operations;
21 extern const struct vm_operations_struct generic_file_vm_ops;
22 extern int __init init_rootfs(void);
23 
24 int ramfs_fill_super(struct super_block *sb, void *data, int silent);
25 
26 #endif
27