[PATCH] remove unnecessary blk_queue_bounce in SG_IO

When I converted the original patch, I left unnecessary blk_queue_bounce in
SG_IO.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 045cabd3d4b..f322b6a441d 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -271,13 +271,6 @@ static int sg_io(struct file *file, request_queue_t *q,
 
         rq->cmd_type = REQ_TYPE_BLOCK_PC;
 
-        /*
-         * bounce this after holding a reference to the original bio, it's
-         * needed for proper unmapping
-         */
-        if (rq->bio)
-                blk_queue_bounce(q, &rq->bio);
-
         rq->timeout = jiffies_to_msecs(hdr->timeout);
         if (!rq->timeout)
                 rq->timeout = q->sg_timeout;