80 /* * The following structure records disk usage for a user or group on a * filesystem. There is one allocated for each quota that exists on any * filesystem for the current user or group. A cache is kept of recently * used entries. * Field markings and the corresponding locks: * h: dqlock * d: dq_interlock * * Lock order is: dq_interlock -> dqlock * dq_interlock -> dqvp */