+/*dir.c*/
+extern struct inode_operations smfs_dir_iops;
+extern struct file_operations smfs_dir_fops;
+extern int smfs_prepare_dentry(struct dentry *dentry,
+ struct dentry *parent,
+ struct qstr *name);
+
+void smfs_clear_dentry(struct dentry *dentry);
+/*inode.c*/
+extern void duplicate_inode(struct inode *cache_inode, struct inode *inode);
+/*file.c*/
+extern void smfs_prepare_cachefile(struct inode *inode,
+ struct file *file,
+ struct inode *cache_inode,
+ struct file *cache_file,
+ struct dentry *cache_dentry);
+extern int smfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd,
+ unsigned long arg);
+extern int smfs_fsync(struct file * file, struct dentry *dentry, int datasync);
+extern int smfs_setattr(struct dentry *dentry, struct iattr *attr);
+extern int smfs_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags);
+extern int smfs_getxattr(struct dentry *dentry, const char *name,
+ void *buffer, size_t size);
+extern ssize_t smfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
+extern int smfs_removexattr(struct dentry *dentry, const char *name);
+extern void smfs_update_file(struct file *file, struct file *cache_file);
+#endif /* __LINUX_SMFS_H */