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    SubjectRe: File systems are semantically impoverished compared to database


    On Fri, 25 Jun 1999, Albert D. Cahalan wrote:

    > For now, every app with this problem has to implement something like
    > a growable (and hopefully shrinkable) filesystem within a file.
    > Apps can add a block mapping layer complete with triple-indirect
    > blocks, or they can copy around huge amounts of data and update
    > document references as needed.

    The point being that they *do* that. Each has its own bloody format. Each
    will *have* to carry that code around, unless you will manage to push
    every blasted thing into the kernels. Yup, plural. Linux is not the only
    UNIX. Good luck doing that. If you are going to invent a new uniform
    scheme - fine, go ahead, implement it as filesystem and I will write a
    loopback-mount-on-the-fly. Oh, and don't forget to make them switch to new
    format. Deal?


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