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    SubjectRe: Flames over -- Re: Which is simpler?

    > >You are ignoring the question of how the kernel can tell whether two
    > >devices are in fact the same. There is no safe way to do this,
    > >other than having the hardware verify that the device was connected
    > >the whole time.
    > >
    > >
    > If there is no better way to tell for sure that the device that is
    > now there is not the same as the one that was there, then the kernel
    > must assume the user did not do something stupid and continue to use

    Must?! Are you Linus or what?

    > the device as if it was not disconnected ( because odds are, it in
    > fact, was not ). In other words, which is more safe? ALLWAYS
    > loosing data because you can't be absolutely sure that the device is
    > the same, or only loosing data if the user does something as foolish
    > as swapping drives while suspended, and you can't tell they did?

    You are missing this. In 1st case, no data is actually lost, because of
    sync in suspend code;
    while second case is "goodbye, filesystem".
    64 bytes from icmp_seq=28 ttl=51 time=448769.1 ms

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      Last update: 2006-02-18 13:59    [W:0.034 / U:8.152 seconds]
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