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);