Re: [PATCH v4 38/42] virtio_scsi: v1.0 support

[Michael S. Tsirkin]

On Wed, Nov 26, 2014 at 03:51:03PM +0100, Cornelia Huck wrote:
> On Tue, 25 Nov 2014 18:44:08 +0200
> "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> 
> > Note: for consistency, and to avoid sparse errors,
> >   convert all fields, even those no longer in use
> >   for virtio v1.0.
> > 
> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > ---
> >  include/linux/virtio_scsi.h | 32 +++++++++++++++-------------
> >  drivers/scsi/virtio_scsi.c  | 51 ++++++++++++++++++++++++++++-----------------
> >  2 files changed, 49 insertions(+), 34 deletions(-)
> > 
> 
> > @@ -158,7 +158,7 @@ static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf)
> >  		sc, resp->response, resp->status, resp->sense_len);
> > 
> >  	sc->result = resp->status;
> > -	virtscsi_compute_resid(sc, resp->resid);
> > +	virtscsi_compute_resid(sc, __virtio32_to_cpu(vscsi->vdev, resp->resid));
> 
> Confused. Don't you need the non-underscore versions if you pass in a
> vdev as first parameter?

Ouch, this built because vscsi->vdev is true.
thanks!

> >  	switch (resp->response) {
> >  	case VIRTIO_SCSI_S_OK:
> >  		set_host_byte(sc, DID_OK);
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