/* Fill in the rest of the superblock */
sb->s_op = &udf_sb_ops;
sb->s_export_op = &udf_export_ops;
- sb->dq_op = NULL;
+#ifdef CONFIG_QUOTA
+ sb->s_qcop = &vfs_quotactl_ops;
+ sb->dq_op = NULL; /* &dquot_operations */
+#endif
+
sb->s_dirt = 0;
sb->s_magic = UDF_SUPER_MAGIC;
sb->s_time_gran = 1000;