}
 
 static blk_status_t submit_compressed_bio(struct btrfs_fs_info *fs_info,
-                                         struct compressed_bio *cb,
                                          struct bio *bio, int mirror_num)
 {
        blk_status_t ret;
                                        goto finish_cb;
                        }
 
-                       ret = submit_compressed_bio(fs_info, cb, bio, 0);
+                       ret = submit_compressed_bio(fs_info, bio, 0);
                        if (ret)
                                goto finish_cb;
                        bio = NULL;
                                                  fs_info->sectorsize);
                        sums += fs_info->csum_size * nr_sectors;
 
-                       ret = submit_compressed_bio(fs_info, cb, comp_bio, mirror_num);
+                       ret = submit_compressed_bio(fs_info, comp_bio, mirror_num);
                        if (ret)
                                goto finish_cb;
                        comp_bio = NULL;