From: Olaf Hering <olaf@aepfle.de>
To: Jan Beulich <JBeulich@suse.com>
Cc: david.vrabel@citrix.com, xen-devel@lists.xen.org,
boris.ostrovsky@oracle.com, konrad.wilk@oracle.com,
linux-kernel@vger.kernel.org
Subject: Re: [Xen-devel] [PATCH v2] xen-blkfront: remove type check from blkfront_setup_discard
Date: Mon, 13 Jan 2014 13:40:29 +0100 [thread overview]
Message-ID: <20140113124029.GA19027@aepfle.de> (raw)
In-Reply-To: <52D3EB5F02000078001130B5@nat28.tlf.novell.com>
On Mon, Jan 13, Jan Beulich wrote:
> >>> On 13.01.14 at 13:01, Olaf Hering <olaf@aepfle.de> 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
next prev parent reply other threads:[~2014-01-13 12:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-13 10:14 [PATCH v2] xen-blkfront: remove type check from blkfront_setup_discard Olaf Hering
2014-01-13 11:24 ` [Xen-devel] " Jan Beulich
2014-01-13 12:01 ` Olaf Hering
2014-01-13 12:34 ` Jan Beulich
2014-01-13 12:40 ` Olaf Hering [this message]
2014-01-13 13:00 ` Ian Campbell
2014-01-13 13:16 ` Jan Beulich
2014-01-13 13:34 ` Ian Campbell
2014-01-13 13:45 ` David Vrabel
2014-01-13 13:58 ` Jan Beulich
2014-01-13 15:57 ` Konrad Rzeszutek Wilk
2014-01-14 14:53 ` Olaf Hering
2014-01-14 15:17 ` David Vrabel
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