On 05/23/2016 06:54 AM, Paolo Bonzini wrote:
> Using pread/pwrite or io_submit has the advantage of eliminating the
> bounce buffer, but drops the SCSI status. This keeps the guest from
> seeing unit attention codes, as well as statuses such as RESERVATION
> CONFLICT. Because we know scsi-block o
Using pread/pwrite or io_submit has the advantage of eliminating the
bounce buffer, but drops the SCSI status. This keeps the guest from
seeing unit attention codes, as well as statuses such as RESERVATION
CONFLICT. Because we know scsi-block operates on an SBC device we can
still use the DMA hel
