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    SubjectRe: ext4 features
    Ric Wheeler <> writes:

    > Having a checksum (or even a digital signature on a file) that lets us
    > detect corruption is very useful since, in many cases, it allows us to
    > flag the file as corrupt before it gets used.

    We can't have that. Sector/block/etc. checksums - yes.

    A checksum, signature, hash etc. of the whole file would require
    actually reading the whole file. It can be done by tripwire or
    backup, and even by fsck, but not by the filesystem in normal
    Krzysztof Halasa
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      Last update: 2006-07-06 19:09    [W:0.020 / U:8.040 seconds]
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