if (ret) {
                        const char *errstr = btrfs_decode_error(ret);
                        btrfs_warn(fs_info,
-                                  "Discard failed while removing blockgroup: errno=%d %s\n",
+                          "discard failed while removing blockgroup: errno=%d %s",
                                   ret, errstr);
                }
        }
 
 
        if (!BTRFS_I(inode)->generation) {
                btrfs_info(fs_info,
-                          "The free space cache file (%llu) is invalid. skip it\n",
+                          "the free space cache file (%llu) is invalid, skip it",
                           offset);
                return 0;
        }
 
        bio_set_op_attrs(bio, REQ_OP_READ, read_mode);
 
        btrfs_debug(BTRFS_I(inode)->root->fs_info,
-                   "Repair DIO Read Error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d\n",
+                   "repair DIO read error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d",
                    read_mode, failrec->this_mirror, failrec->in_validation);
 
        ret = submit_dio_repair_bio(inode, bio, failrec->this_mirror);
 
        if (IS_ERR(trans)) {
                err = PTR_ERR(trans);
                btrfs_err(fs_info,
-                         "fail to start transaction for status update: %d\n",
+                         "fail to start transaction for status update: %d",
                          err);
                goto done;
        }
 
                        ro_set = 0;
                } else {
                        btrfs_warn(fs_info,
-                                  "failed setting block group ro, ret=%d\n",
-                                  ret);
+                                  "failed setting block group ro: %d", ret);
                        btrfs_put_block_group(cache);
                        break;
                }