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    Subject[OT] Re: ext3-0.0.2e released
    "Theodore Y. Ts'o" wrote:
    > In practice, though, I'm not aware of any filesystem consistency checker
    > since the days of Multics that could do this.

    Windows 95/98 scandisk 8-)

    Their implementation well documented (they need 3 lock levels), but very
    slow (scandisk restarts from scratch if someone else writes to the disk)

    The filesystem reduces metadata caching, and scandisk uses a special
    interface for atomic read-fsck-write cycles. (conditional writes,
    similar to the atomic instructions on most RISC cpus)


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