struct dentry *simple_mknod(struct dentry *dir, char *name, int mode, int fix);
int lustre_rename(struct dentry *dir, struct vfsmount *mnt, char *oldname,
char *newname);
int lustre_fread(struct file *file, void *buf, int len, loff_t *off);
int lustre_fwrite(struct file *file, const void *buf, int len, loff_t *off);
int lustre_fsync(struct file *file);
struct dentry *simple_mknod(struct dentry *dir, char *name, int mode, int fix);
int lustre_rename(struct dentry *dir, struct vfsmount *mnt, char *oldname,
char *newname);
int lustre_fread(struct file *file, void *buf, int len, loff_t *off);
int lustre_fwrite(struct file *file, const void *buf, int len, loff_t *off);
int lustre_fsync(struct file *file);