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    SubjectRe: PATCH: Fixes for ide-disk.c
    > People using swsusp under 2.4 found that everything worked
    > fine if they rebooted after writing the image, but powering down at the
    > end of writing the image caused corruption. I got the additional check
    > from the source for hdparm, which only does the new check to determine
    > if a drive has a writeback cache.

    Did we ever establish what the best way to ensure that the write cache is
    flushed, is? An explicit cache flush and spin down are both necessary, but
    I had problems with drives spinning back up when we did the spindown first.

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