From a17ff9e9db5ecf20542a69654ade63d9f3aa7220 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Sun, 31 Dec 2023 21:40:55 -0700
Subject: file_blockbuf.go: Ensure the cache is flushed before closing

---
 lib/diskio/file_blockbuf.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/diskio/file_blockbuf.go b/lib/diskio/file_blockbuf.go
index 8c0fec2..002b40a 100644
--- a/lib/diskio/file_blockbuf.go
+++ b/lib/diskio/file_blockbuf.go
@@ -68,12 +68,16 @@ func (src bufferedBlockSource[A]) Load(ctx context.Context, blockAddr A, block *
 
 func (bf *bufferedFile[A]) Name() string { return bf.inner.Name() }
 func (bf *bufferedFile[A]) Size() A      { return bf.inner.Size() }
-func (bf *bufferedFile[A]) Close() error { return bf.inner.Close() }
 
 func (bf *bufferedFile[A]) Flush() {
 	bf.blockCache.Flush(bf.ctx)
 }
 
+func (bf *bufferedFile[A]) Close() error {
+	bf.Flush()
+	return bf.inner.Close()
+}
+
 func (bf *bufferedFile[A]) ReadAt(dat []byte, off A) (n int, err error) {
 	done := 0
 	for done < len(dat) {
-- 
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