block: kill BLK_MQ_F_SG_MERGE

QUEUE_FLAG_NO_SG_MERGE has been killed, so kill BLK_MQ_F_SG_MERGE too.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index 4eb5f8c56535..b2f8eb2365ee 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -527,7 +527,7 @@ int dm_mq_init_request_queue(struct mapped_device *md, struct dm_table *t)
         md->tag_set->ops = &dm_mq_ops;
         md->tag_set->queue_depth = dm_get_blk_mq_queue_depth();
         md->tag_set->numa_node = md->numa_node_id;
-        md->tag_set->flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_SG_MERGE;
+        md->tag_set->flags = BLK_MQ_F_SHOULD_MERGE;
         md->tag_set->nr_hw_queues = dm_get_blk_mq_nr_hw_queues();
         md->tag_set->driver_data = md;