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SubjectRe: [PATCH RFC 0/2] Convert from bio-based to blk-mq
On Tue, Oct 08, 2013 at 11:34:20AM +0200, Matias Bjørling wrote:
> The nvme driver implements itself as a bio-based driver. This primarily because
> of high lock congestion for high-performance nvm devices. To remove the
> congestion, a multi-queue block layer is being implemented.

Um, no. You'll crater performance by adding another memory allocation
(of the struct request). multi-queue is not the solution.
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