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    SubjectRe: [RFC] blk-mq: support for shared tags
    On Tue, Apr 01, 2014 at 05:16:21PM -0700, Matias Bjorling wrote:
    > Hi Christoph,
    >
    > Can you rebase it on top of 3.14. I have trouble applying it for testing.

    Hi Martin,

    the series is based on top of Jens' for-next branch. I've also pushed out a
    git tree to the blk-mq-share-tags.2 branch of

    git://git.infradead.org/users/hch/scsi.git

    to make testing and reviewing easier.

    > For nvme, there's need for two separate types of queues. The admin queue
    > (before initializing blk-mq) and the actual hardware queues.
    >
    > Should we allow the driver to get/put tags before initializing blk-mq?
    > Or let drivers implement their own framework?

    What do you mean with initializing blk-mq? We need to allocate data
    structures for sure, and I don't see much else in terms of initialization
    in blk-mq.



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