struct btrfs_io_context *bioc = NULL;
        struct btrfs_io_stripe smap;
        blk_status_t status;
-       int error;
+       int ret;
 
        if (!bbio->inode || btrfs_is_data_reloc_root(inode->root))
                smap.rst_search_commit_root = true;
                smap.rst_search_commit_root = false;
 
        btrfs_bio_counter_inc_blocked(fs_info);
-       error = btrfs_map_block(fs_info, btrfs_op(bio), logical, &map_length,
-                               &bioc, &smap, &mirror_num);
-       if (error) {
-               status = errno_to_blk_status(error);
+       ret = btrfs_map_block(fs_info, btrfs_op(bio), logical, &map_length,
+                             &bioc, &smap, &mirror_num);
+       if (ret) {
+               status = errno_to_blk_status(ret);
                btrfs_bio_counter_dec(fs_info);
                goto end_bbio;
        }
         */
        if (bio_op(bio) == REQ_OP_READ && is_data_bbio(bbio)) {
                bbio->saved_iter = bio->bi_iter;
-               error = btrfs_lookup_bio_sums(bbio);
-               status = errno_to_blk_status(error);
+               ret = btrfs_lookup_bio_sums(bbio);
+               status = errno_to_blk_status(ret);
                if (status)
                        goto fail;
        }
                            btrfs_wq_submit_bio(bbio, bioc, &smap, mirror_num))
                                goto done;
 
-                       error = btrfs_bio_csum(bbio);
-                       status = errno_to_blk_status(error);
+                       ret = btrfs_bio_csum(bbio);
+                       status = errno_to_blk_status(ret);
                        if (status)
                                goto fail;
                } else if (use_append ||