Re: [PATCH] virtio_blk: add block topology support

From: Rusty Russell
Date: Mon Aug 01 2011 - 19:25:46 EST


On Sun, 31 Jul 2011 20:19:05 +0200, Christoph Hellwig <hch@xxxxxx> wrote:
> On Sat, Jul 30, 2011 at 02:22:42PM +0930, Rusty Russell wrote:
> > > I guess you could just remove VIRTIO_BLK_F_SECTOR_MAX from the spec.
> > > Linux did not implement it, and virtualbox does not have virtio block
> > > support at all. Are there any other known users, who might have
> > > implemented the VIRTIO_BLK_F_SECTOR_MAX feature?
> >
> > Did qemu implement it? If not, we'll simply kill it, and pretend it
> > never happened...
>
> It was never added to either qemu or the kernel. It would really help
> if we had a copy of the spec in a readable format (that is plain text)
> in major implementations of virtio like qemu and the kernel.

That's a really good idea. I've prepared a patch which puts the latest
version in the kernel source (Documentation/virtio/virtio-spec.txt).

Thanks!
Rusty.

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