2 files changed, 4 insertions, 4 deletions
diff --git a/lib/diskio/file_blockbuf.go b/lib/diskio/file_blockbuf.go
index b7db849..0bb3156 100644
--- a/lib/diskio/file_blockbuf.go
+++ b/lib/diskio/file_blockbuf.go
@@ -99,5 +99,5 @@ func (bf *bufferedFile[A]) WriteAt(dat []byte, off A) (n int, err error) {
 		bf.blockCache.Delete(blockOffset)
 	}
 
-	return
+	return n, err
 }
diff --git a/lib/diskio/file_state_test.go b/lib/diskio/file_state_test.go
index 3f0c119..32ca705 100644
--- a/lib/diskio/file_state_test.go
+++ b/lib/diskio/file_state_test.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+// Copyright (C) 2022-2023  Luke Shumaker <lukeshu@lukeshu.com>
 //
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -21,11 +21,11 @@ func (r byteReaderWithName) Name() string {
 	return r.name
 }
 
-func (r byteReaderWithName) Close() error {
+func (byteReaderWithName) Close() error {
 	return nil
 }
 
-func (r byteReaderWithName) WriteAt([]byte, int64) (int, error) {
+func (byteReaderWithName) WriteAt([]byte, int64) (int, error) {
 	panic("not implemented")
 }