diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-01-29 11:33:07 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-02-06 05:29:21 +0300 |
| commit | ae3d56d81507c33024ba7c1eae2ef433aa9bc0d5 (patch) | |
| tree | 8a812d0cbc109b3c09a18fd314499d064798037c /drivers/scsi/virtio_scsi.c | |
| parent | 19fcae3d4f2dd513d472055fb694d802e9a21b91 (diff) | |
| download | linux-ae3d56d81507c33024ba7c1eae2ef433aa9bc0d5.tar.xz | |
scsi: remove bidirectional command support
No real need for bidi support once the OSD code is gone.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/virtio_scsi.c')
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 772b976e4ee4..1a6f150cd2d8 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -100,16 +100,8 @@ static inline struct Scsi_Host *virtio_scsi_host(struct virtio_device *vdev) static void virtscsi_compute_resid(struct scsi_cmnd *sc, u32 resid) { - if (!resid) - return; - - if (!scsi_bidi_cmnd(sc)) { + if (resid) scsi_set_resid(sc, resid); - return; - } - - scsi_in(sc)->resid = min(resid, scsi_in(sc)->length); - scsi_out(sc)->resid = resid - scsi_in(sc)->resid; } /** @@ -403,9 +395,9 @@ static int virtscsi_add_cmd(struct virtqueue *vq, if (sc && sc->sc_data_direction != DMA_NONE) { if (sc->sc_data_direction != DMA_FROM_DEVICE) - out = &scsi_out(sc)->table; + out = &sc->sdb.table; if (sc->sc_data_direction != DMA_TO_DEVICE) - in = &scsi_in(sc)->table; + in = &sc->sdb.table; } /* Request header. */ |