block: cleanup REQ_SOFTBARRIER usages

blk_insert_request() doesn't need to worry about REQ_SOFTBARRIER.
Don't set it.  Combined with recent ide updates, REQ_SOFTBARRIER is
now only used in elevator proper and for discard requests.

[ Impact: cleanup ]

Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/block/blk-core.c b/block/blk-core.c
index 7e0fab5..cf10dfc 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -946,7 +946,6 @@ void blk_insert_request(struct request_queue *q, struct request *rq,
         * barrier
         */
        rq->cmd_type = REQ_TYPE_SPECIAL;
-       rq->cmd_flags |= REQ_SOFTBARRIER;
 
        rq->special = data;