文件系统服务质量的新方法

Proceedings of 7th International Workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV '97) Pub Date : 1997-05-19 DOI:10.1109/NOSDAV.1997.629372

Paul Barham

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引用次数: 44

摘要

本文描述了一种支持服务质量(QoS)保证的文件系统。设备驱动模型清楚地分离了控制和数据路径操作，并提供了一个低级的抽象。数据路径模块提供I/O请求的转换和保护，使文件系统层可以作为共享库中的非特权代码执行。设备驱动程序内的低级操作调度用于提供客户机之间的隔离和服务质量保证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A fresh approach to file system quality of service

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.

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Proceedings of 7th International Workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV '97)

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