-int check_quota_file(struct file *f, struct inode *inode, int type,
+extern void *lustre_quota_journal_start(struct inode *inode, int delete);
+extern void lustre_quota_journal_stop(void *handle);
+extern ssize_t lustre_read_quota(struct file *f, struct inode *inode, int type,
+ char *buf, int count, loff_t pos);
+extern ssize_t lustre_write_quota(struct file *f, char *buf, int count, loff_t pos);
+
+int check_quota_file(struct file *f, struct inode *inode, int type,