blockjob: add .start field
Add an explicit start field to specify the entrypoint. We already have ownership of the coroutine itself AND managing the lifetime of the coroutine, let's take control of creation of the coroutine, too. This will allow us to delay creation of the actual coroutine until we know we'll actually start a BlockJob in block_job_start. This avoids the sticky question of how to "un-create" a Coroutine that hasn't been started yet. Signed-off-by: NJohn Snow <jsnow@redhat.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Message-id: 1478587839-9834-4-git-send-email-jsnow@redhat.com Signed-off-by: NJeff Cody <jcody@redhat.com>
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