On 09/10/2014 02:13 AM, Markus Armbruster wrote: > device_name[] is can become non-empty only in bdrv_new_named() and
s/is // > bdrv_move_feature_fields(). The latter is used only to undo damage > done by bdrv_swap(). The former is called only by blk_new_with_bs(). > Therefore, when a BlockDriverState's device_name[] is non-empty, then > it's owned by a BlockBackend. > > The converse is also true, because blk_attach_bs() is called only by > blk_new_with_bs() so far. > > Furthermore, blk_new_with_bs() keeps the two names equal. > > Therefore, device_name[] is redundant. Eliminate it. > > Signed-off-by: Markus Armbruster <arm...@redhat.com> > --- -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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