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

[Olaf Hering]

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.

Olaf
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