Re: [PATCH 0/5] RFC: ->make_request support for virtio-blk

From: Vivek Goyal
Date: Wed Oct 05 2011 - 16:31:35 EST

On Wed, Oct 05, 2011 at 03:54:03PM -0400, Christoph Hellwig wrote:
> This patchset allows the virtio-blk driver to support much higher IOP
> rates which can be driven out of modern PCI-e flash devices. At this
> point it really is just a RFC due to various issues.

So you no longer believe that request queue overhead can be brought
down to mangeable levels for these fast devices. And instead go for
bio based drivers and give up on merging and implement own FLUSH/FUA

Not that I am advocating for continuing with request based driver. Just

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