Re: [Xen-devel] [PATCH v2 16/18] xen: automatically create XenBlockDevice-s

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Thu, Dec 06, 2018 at 03:08:42PM +0000, Paul Durrant wrote:
> This patch adds a creator function for XenBlockDevice-s so that they can
> be created automatically when the Xen toolstack instantiates a new
> PV backend. When the XenBlockDevice is created this way it is also
> necessary to create a drive which matches the configuration that the Xen
> toolstack has written into xenstore. This drive is marked 'auto_del' so
> that it will be removed when the XenBlockDevice is destroyed. Also, for
> compatibility with the legacy 'xen_disk' implementation, an iothread
> is automatically created for the new XenBlockDevice. This will also be
> removed when the XenBlockDevice is destroyed.
> 
> Correspondingly the legacy backend scan for 'qdisk' is removed.
> 
> After this patch is applied the legacy 'xen_disk' code is redundant. It
> will be removed by a subsequent patch.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Thanks,

-- 
Anthony PERARD

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