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    SubjectRe: Designing Another File System
    In article <> you wrote:
    > systems. The next release of Squashfs has considerably improved
    > indexed directories which are O(1) for large directories.

    Are you talking about time complexity based on a named lookup over the
    number of files in a directory? (you might also want to look at the
    complexity relative to the naming component length). What data structure
    which is not wasting memory allows you those lookups? Even if you consider
    hashing the name as a constant O(1) operation (which it isnt), you still can
    get collisions.

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