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- IOScheduling/VRscheduler: an implementation of the V(R) scheduling algorithm;
- IOScheduling/FIFOscheduler: a pure FCFS scheduler.
A disk scheduler is the part of the Linux kernel that reorders, delays, and merges requests for disk I/O to achieve better throughput and lower latency than would happen if all the requests were sent straight to disk. The scheduler aims to minimize disk head movement as far as possible. You can think of the scheduler as a queue of requests waiting for service at the disk.
If you like to check the latest kernel go to kernel.org
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