Re: [PATCHSET v6] blk-mq scheduling framework

[Bart Van Assche]

On Wed, 2017-01-11 at 14:39 -0700, Jens Axboe wrote:
> I've reworked bits of this to get rid of the shadow requests, thanks
> to Bart for the inspiration. The missing piece, for me, was the fact
> that we have the tags->rqs[] indirection array already. I've done this
> somewhat differently, though, by having the internal scheduler tag
> map be allocated/torn down when an IO scheduler is attached or
> detached. This also means that when we run without a scheduler, we
> don't have to do double tag allocations, it'll work like before.

Hello Jens,

Thanks for having done the rework! This series looks great to me. I have a
few small comments though. I will post these as replies to the individual
patches.

Bart.