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Re: [Qemu-devel] 回复： 回复： someconfusion on qemu i/o pocess and the qcow
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] 回复： 回复： someconfusion on qemu i/o pocess and the qcow2format |
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Date: |
Tue, 22 Dec 2015 14:35:57 +0800 |
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User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Mon, Dec 21, 2015 at 10:48:07AM +0800, 浩樊啊 wrote:
> I want to change the queue_size of virtio-blk ring from 128 to 1024, so I
> change here:
> s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
> but the vm will not work. Are any thing i missed ?
I think 1024 should work in theory (it's the max supported virtqueue
size). You'd have to debug it to figure out why.
Stefan
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