This paper compares journal file systems with traditional file systems and presents the improvement of XFS in journal file system.

对日志文件系统和传统文件系统进行了比较，介绍了XFS在日志文件系统上的改进。

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Recall that a journaled file system keeps a log (journal) of the file operations.

日志式文件系统通常维护一份关于文件操作的日志。

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The difference between these two is a result of the drive cache and can have implications for the file system journal.

这两种定义是由于磁盘缓存而存在而产生的，对文件系统的日志有重大影响。

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