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
The "inactive" state of BDS affects whether the permissions can be granted, we must call bdrv_invalidate_cache before bdrv_set_perm to support "-incoming defer" case. Reported-by: Christian Ehrhardt <christian.ehrhardt@canonical.com> Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170815130740.31229-3-famz@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>