Re: [Qemu-devel] Multiqueue block layer

2018-02-19 Thread Alexandre DERUMIER
: "Kevin Wolf" , "Fam Zheng" Envoyé: Lundi 19 Février 2018 19:03:19 Objet: Re: [Qemu-devel] Multiqueue block layer On 18/02/2018 19:20, Stefan Hajnoczi wrote: > Paolo's patches have been getting us closer to multiqueue block layer > support but there is a final

Re: [Qemu-devel] Multiqueue block layer

2018-02-19 Thread Stefan Hajnoczi
By the way, one thing that makes me nervous is that we lack an explicit "request queue" or "per-queue" concept. State can either be per-BlockDriverState (shared state) or per-request, but not per-queue. So far there hasn't been a need for per-queue state but there may be opportunities to eliminat

Re: [Qemu-devel] Multiqueue block layer

2018-02-19 Thread Stefan Hajnoczi
On Mon, Feb 19, 2018 at 6:03 PM, Paolo Bonzini wrote: > On 18/02/2018 19:20, Stefan Hajnoczi wrote: >> Paolo's patches have been getting us closer to multiqueue block layer >> support but there is a final set of changes required that has become >> clearer to me just recently. I'm curious if this

Re: [Qemu-devel] Multiqueue block layer

2018-02-19 Thread Paolo Bonzini
On 18/02/2018 19:20, Stefan Hajnoczi wrote: > Paolo's patches have been getting us closer to multiqueue block layer > support but there is a final set of changes required that has become > clearer to me just recently. I'm curious if this matches Paolo's > vision and whether anyone else has comment