diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 37fb44b0074b..32425ac61096 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -741,7 +741,7 @@ static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking) { - int k, data_dir; + int k, data_dir, at_head; Sg_device *sdp = sfp->parentdp; sg_io_hdr_t *hp = &srp->header; @@ -785,11 +785,16 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, break; } hp->duration = jiffies_to_msecs(jiffies); + if (hp->interface_id != '\0' && /* v3 (or later) interface */ + (SG_FLAG_Q_AT_TAIL & hp->flags)) + at_head = 0; + else + at_head = 1; srp->rq->timeout = timeout; kref_get(&sfp->f_ref); /* sg_rq_end_io() does kref_put(). */ blk_execute_rq_nowait(sdp->device->request_queue, sdp->disk, - srp->rq, 1, sg_rq_end_io); + srp->rq, at_head, sg_rq_end_io); return 0; } |