Re: [PATCH 0/6] blk-mq: initialize pdu of flush req explicitly

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On Mon, Sep 8, 2014 at 2:49 AM, Christoph Hellwig <hch@xxxxxx> wrote:
> This works fine for me, although I still don't really like it very much.
>
> If you really want to go down the path of major surgery in this area we
> should probably allocate a flush request per hw_ctx, and initialize it
> using the normal init/exit functions.  If we want to have proper multiqueue
> performance on devices needing flushes we'll need something like that anyway.

Yes, that should be the final solution for the problem, and looks the whole
flush machinery need to move into hctx, I will try to figure out one patch to
do that.

Thanks,
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