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    SubjectRe: [GIT PULL] Block drivers for 3.3-rc
    On 2012-01-15 13:44, Christoph Hellwig wrote:
    > On Sun, Jan 15, 2012 at 01:22:05PM +0100, Jens Axboe wrote:
    >> Good point, I had forgotten about the ordered writes, I believe the rest
    >> of the items have been handled. The driver/hw, as it stands, does not
    >> reorder writes and it doesn't have a write back cache. So it should
    >> actually be safe. Any acked write is stable. Sam, correct me if I'm
    >> wrong.
    >
    > I tried to get that out of the micron folks a while ago but don't
    > remember getting an answer. If that's actually tree please remove
    > the (misnamed) barrier argument from mtip_hw_submit_io, and maybe add
    > a comment that the current hardware can't have a volatile write cache.

    Sure, will do post pull to not mess up the current pull request.

    > Btw, does the hardware claim to have writeback caches in the ATA
    > IDENTIFY words related to it?

    I'll let Sam answer this one and the question above, it's better if it
    comes from the source.

    --
    Jens Axboe



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