diff options
Diffstat (limited to 'block/scsi_ioctl.c')
| -rw-r--r-- | block/scsi_ioctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index bda1497add4c..51bf5155ee75 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -290,6 +290,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, unsigned long start_time; ssize_t ret = 0; int writing = 0; + int at_head = 0; struct request *rq; char sense[SCSI_SENSE_BUFFERSIZE]; struct bio *bio; @@ -313,6 +314,8 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, case SG_DXFER_FROM_DEV: break; } + if (hdr->flags & SG_FLAG_Q_AT_HEAD) + at_head = 1; rq = blk_get_request(q, writing ? WRITE : READ, GFP_KERNEL); if (!rq) @@ -369,7 +372,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, * (if he doesn't check that is his problem). * N.B. a non-zero SCSI status is _not_ necessarily an error. */ - blk_execute_rq(q, bd_disk, rq, 0); + blk_execute_rq(q, bd_disk, rq, at_head); hdr->duration = jiffies_to_msecs(jiffies - start_time); |