A fresh approach to file system quality of service
- 23 November 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
This paper describes a file system for supporting quality of service (QoS) guarantees. The device driver model clearly separates control- and data-path operations and presents a low-level of abstraction. The data-path module provides translation and protection of I/O requests enabling the file system layers to be executed as unprivileged code within shared libraries. Scheduling of low-level operations within the device driver is used to provide isolation between clients and quality of service guarantees.Keywords
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