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    • 39. 发明授权
    • Method for managing directories of large-scale file system
    • 管理大型文件系统目录的方法
    • US06961739B2
    • 2005-11-01
    • US10190588
    • 2002-07-09
    • Yong Ju LeeGyoung Bae KimBum Joo Shin
    • Yong Ju LeeGyoung Bae KimBum Joo Shin
    • G06F17/30
    • G06F17/30091Y10S707/99953Y10S707/99956
    • The present invention relates to the method for managing directories of a large-scale file system. The present invention the steps of creating root blocks which have a fixed global depth, calculating an index value which shows the location information on how many bits will be referenced for root blocks from the global depth through a hash function when root blocks are completely filled with directories, calculating the block numbers of leaf blocks consisted of extent blocks based on a plurality fixed length platform which are logical and successive objects using the index value and storing the block numbers sequentially to the root blocks, and storing the directory entries of root blocks separately in leaf blocks.As a result, the present invention can improve the search performance by minimizing the cause of frequently change of data storage structure of the file system and flexibly preventing creation of indirect blocks.
    • 本发明涉及用于管理大规模文件系统的目录的方法。 本发明创建具有固定全局深度的根块的步骤,计算索引值,该索引值示出了当根块完全填充时通过散列函数显示根据块从全局深度引用的根块的位置信息的位置信息 目录,计算基于多个固定长度平台的扩展块的块号,该多个固定长度平台是使用索引值的逻辑和连续对象,并且将块号顺序存储到根块,并分别存储根块的目录条目 在叶块。 结果,本发明可以通过最小化文件系统的数据存储结构的频繁变化的原因并灵活地防止创建间接块来提高搜索性能。