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Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workaro
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds? |
Date: |
Tue, 27 Oct 2015 10:30:27 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 27/10/2015 03:04, Fam Zheng wrote:
> > My plan is for
> > 2.6 to have fine-grained critical sections (patches written, will repost
> > during 2.5 hard freeze), 2.7 (unlikely 2.6) to have fine-grained locks,
> > and 2.8 or 2.9 to have multiqueue.
>
> You're talking about virtio-scsi, right? What about virtio-blk? Do you think
> we
> should resume the "fake" virtio-blk multiqueue work on QEMU side?
Even both. If you resume the "fake" virtio-blk multiqueue, converting
to real multiqueue at the same time as virtio-scsi should be trivial.
The difficult part of course is not the device models, it's the block
layer...
Paolo
- [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Andrey Korolyov, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Paolo Bonzini, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Andrey Korolyov, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Paolo Bonzini, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Andrey Korolyov, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Paolo Bonzini, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Andrey Korolyov, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Paolo Bonzini, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Andrey Korolyov, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Fam Zheng, 2015/10/26
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?,
Paolo Bonzini <=
- Re: [Qemu-devel] 4k seq read splitting for virtio-blk - possible workarounds?, Andrey Korolyov, 2015/10/30