-static int origin_merge(struct dm_target *ti, struct bvec_merge_data *bvm,
- struct bio_vec *biovec, int max_size)
-{
- struct dm_origin *o = ti->private;
- struct request_queue *q = bdev_get_queue(o->dev->bdev);
-
- if (!q->merge_bvec_fn)
- return max_size;
-
- bvm->bi_bdev = o->dev->bdev;
-
- return min(max_size, q->merge_bvec_fn(q, bvm, biovec));
-}
-