Re: [Xen-devel] [PATCH v2 2/2] xen/scsiback: avoid warnings when adding multiple LUNs to a domain

From: David Vrabel
Date: Mon Feb 08 2016 - 11:46:29 EST


On 08/02/16 14:30, Juergen Gross wrote:
> When adding more than one LUN to a frontend a warning for a failed
> assignment is issued in dom0 for each already existing LUN. Avoid this
> warning by checking for a LUN already existing when existence is
> allowed (scsiback_do_add_lun() called with try == 1).
>
> As the LUN existence check is needed now for a third time, factor it
> out into a function. This in turn leads to a more or less complete
> rewrite of scsiback_del_translation_entry() which will now return a
> proper error code in case of failure.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Avoiding warnings doesn't seem like a viable candidate for stable. Is
there more to this patch than the description suggests?

David