Re: [Xen-devel] [PATCH v2] xen-blkfront: remove type check fromblkfront_setup_discard

[Olaf Hering]

On Mon, Jan 13, Jan Beulich wrote:

> >>> On 13.01.14 at 13:01, Olaf Hering <olaf@xxxxxxxxx> wrote:
> > On Mon, Jan 13, Jan Beulich wrote:
> > 
> >> You can't do this in one go - the first two and the last one may be
> >> set independently (and are independent in their meaning), and
> >> hence need to be queried independently (xenbus_gather() fails
> >> on the first absent value).
> > 
> > Yes, thats the purpose. Since the properties are required its an all or
> > nothing thing. If they are truly optional then blkif.h should be updated
> > to say that.
> 
> They _are_ optional.

In this case my first patch is correct and should be used.

Olaf
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