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Re: [Qemu-devel] virtio scsi host draft specification, v3
From: |
Christoph Hellwig |
Subject: |
Re: [Qemu-devel] virtio scsi host draft specification, v3 |
Date: |
Wed, 29 Jun 2011 06:03:41 -0400 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Jun 29, 2011 at 10:23:26AM +0200, Paolo Bonzini wrote:
> I agree here, in fact I misread Hannes's comment as "if a driver
> uses more than one queue it is responsibility of the driver to
> ensure strict request ordering". If you send requests to different
> queues, you know that those requests are independent. I don't think
> anything else is feasible in the virtio framework.
That doesn't really fit very well with the SAM model. If we want
to use multiple queues for a single LUN it has to be transparent to
the SCSI command stream. Then again I don't quite see the use for
that anyway.
- Re: [Qemu-devel] virtio scsi host draft specification, v3, (continued)
- Re: [Qemu-devel] virtio scsi host draft specification, v3, Paolo Bonzini, 2011/06/29
- Re: [Qemu-devel] virtio scsi host draft specification, v3, Stefan Hajnoczi, 2011/06/29
- Re: [Qemu-devel] virtio scsi host draft specification, v3, Christoph Hellwig, 2011/06/29
- Re: [Qemu-devel] virtio scsi host draft specification, v3, Hannes Reinecke, 2011/06/29
- Re: [Qemu-devel] virtio scsi host draft specification, v3, Christoph Hellwig, 2011/06/29
Re: [Qemu-devel] virtio scsi host draft specification, v3, Michael S. Tsirkin, 2011/06/12
Re: [Qemu-devel] virtio scsi host draft specification, v3, Paolo Bonzini, 2011/06/29
Re: [Qemu-devel] virtio scsi host draft specification, v3, Michael S. Tsirkin, 2011/06/29
Re: [Qemu-devel] virtio scsi host draft specification, v3,
Christoph Hellwig <=
Re: [Qemu-devel] virtio scsi host draft specification, v3, Paolo Bonzini, 2011/06/29
Re: [Qemu-devel] virtio scsi host draft specification, v3, Michael S. Tsirkin, 2011/06/29
Re: [Qemu-devel] virtio scsi host draft specification, v3, Paolo Bonzini, 2011/06/29
Re: [Qemu-devel] virtio scsi host draft specification, v3, Christoph Hellwig, 2011/06/29