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Re: [Qemu-devel] [PATCH 2/2] virtio-blk: reject configs with logical blo
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH 2/2] virtio-blk: reject configs with logical block size > physical block size |
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Date: |
Fri, 8 Dec 2017 10:13:33 +0000 |
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User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Wed, Dec 06, 2017 at 01:54:01PM -0600, Mark Kanda wrote:
> virtio-blk logical block size should never be larger than physical block
> size because it doesn't make sense to have such configurations. QEMU doesn't
> have a way to effectively express this condition; the best it can do is
> report the physical block exponent as 0 - indicating the logical block size
> equals the physical block size.
>
> This is identical to commit 3da023b5827543ee4c022986ea2ad9d1274410b2
> but applied to virtio-blk (instead of virtio-scsi).
>
> Signed-off-by: Mark Kanda <address@hidden>
> Reviewed-by: Konrad Rzeszutek Wilk <address@hidden>
> Reviewed-by: Ameya More <address@hidden>
> ---
> hw/block/virtio-blk.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Reviewed-by: Stefan Hajnoczi <address@hidden>
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