磁盘调度算法，采用MFC界面，FCFS(先来先服务):SSTF(最短寻道时间优先)：SCAN 电梯调度算法 CSCAN循环扫描算法-Disk scheduling algorithm, using MFC interface, FCFS (first come first served): SSTF (shortest seek time priority): SCAN elevator scheduling algorithm CSCAN loop scanning algorithm