svn commit: r280154 - head/usr.sbin/bhyve

[Alexander Motin]

On 16.03.2015 23:13, Bryan Venteicher wrote:
> On Mon, Mar 16, 2015 at 3:13 PM, Alexander Motin <mav at freebsd.org
> <mailto:mav at freebsd.org>> wrote:
>     Author: mav
>     Date: Mon Mar 16 20:13:25 2015
>     New Revision: 280154
>     URL: https://svnweb.freebsd.org/changeset/base/280154
> 
>     Log:
>       Report that we may have write cache, and that we do support FLUSH.
> 
>       FreeBSD guest driver does not use that legacy flag, but Linux
>     seems does.
> 
> The guest driver calls it by a prior name: VIRTIO_BLK_F_WCE. The write
> cache stuff went through several iterations, and goes away in VirtIO 1.0
> specification.

Yes, I've found that in the driver after the commit. But as I can see
driver does nothing about it, except reporting via sysctl. I was
confused by not seeing any use of that flag in data path.

-- 
Alexander Motin