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    SubjectRe: [PATCH] barrier patch set
    Bartlomiej Zolnierkiewicz wrote:
    > Yep but in your original mail you suggested that we should explicitly enable
    > FLUSH CACHE and FLUSH CACHE EXT features - there are even no subcommands
    > to do this. ;-)

    Whoops, you're right. I was thinking about the general protocol for
    features.


    > I wish it was so simple. Here is an example to make it clear:
    >
    > model: WDC WD800JB-00CRA1 firmware: 17.07W77
    > word 0x83 is 4b01, word 0x86 is 0x0801
    >
    > and drive of course supports CACHE FLUSH command.

    What ATA revision?

    Sending down opcodes because they will "probably" work isn't the best
    idea in the world...

    Jeff



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