linux-kernel - Re: [patch 20/20] XEN-paravirt: Add Xen virtual block device driver.

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Date:	Sun, 14 Jan 2007 12:05:13 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	virtualization@...ts.osdl.org, xen-devel@...ts.xensource.com,
	Ian Pratt <ian.pratt@...source.com>,
	Christian Limpach <Christian.Limpach@...cam.ac.uk>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [patch 20/20] XEN-paravirt: Add Xen virtual block device driver.


On Jan 12 2007 17:45, Jeremy Fitzhardinge wrote:
>
>The block device frontend driver allows the kernel to access block
>devices exported exported by a virtual machine containing a physical
>block device driver.

Is this significantly different from ubd/hostfs that it actually warrants a
reinvention?

>+	(void)xenbus_switch_state(info->xbdev, XenbusStateConnected);

Cast remove, if xenbus_switch_state does not have __must_check.
Also elsewhere.


	-`J'
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