执行文件系统日志校验和。

Checksumming the file system journal.

youdao

使用日志校验可以帮助对付数据不一致的问题，但也还存在其他技术。

Journal check summing can help with data corruption issues but there are other techniques that can help as well.

youdao

特别是Ext4利用日志校验和写屏障来减少由日志或乱序写入磁盘缓存(out - of - order write caching on hard drives)而导致的文件系统数据部一致的概率。

In particular it USES journal check summing and write barriers to help reduce the probability of data corruption from journals and out-of-order write caching on hard drives.

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