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 #ifdef CONFIG_MMU
10 static inline int
ramfs_nommu_expand_for_mapping(struct inode * inode,size_t newsize)11 ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
12 {
13 return 0;
14 }
15 #else
16 extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
17 extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
18 unsigned long addr,
19 unsigned long len,
20 unsigned long pgoff,
21 unsigned long flags);
22
23 extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
24 #endif
25
26 extern const struct file_operations ramfs_file_operations;
27 extern const struct vm_operations_struct generic_file_vm_ops;
28 extern int __init init_rootfs(void);
29
30 int ramfs_fill_super(struct super_block *sb, void *data, int silent);
31
32 #endif
33