-/*
- * unmap a request that was previously mapped to this sg_io_hdr. handles
- * both sg and non-sg sg_io_hdr.
- */
-static int blk_unmap_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr)
-{
- blk_rq_unmap_user(rq->bio);
- blk_put_request(rq);
- return 0;
-}
-