From c62c5544fa23378843a3383a9dcd4494e5ea33bc Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 6 Mar 2026 11:54:21 +0800
Subject: format/commitgraph: Split into ./read and ./

---
 format/commitgraph/layer_close.go | 33 ---------------------------------
 1 file changed, 33 deletions(-)
 delete mode 100644 format/commitgraph/layer_close.go

(limited to 'format/commitgraph/layer_close.go')

diff --git a/format/commitgraph/layer_close.go b/format/commitgraph/layer_close.go
deleted file mode 100644
index 9b7dfbb0..00000000
--- a/format/commitgraph/layer_close.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package commitgraph
-
-import "syscall"
-
-func closeLayers(layers []layer) {
-	for i := len(layers) - 1; i >= 0; i-- {
-		_ = layers[i].close()
-	}
-}
-
-func (layer *layer) close() error {
-	var closeErr error
-
-	if layer.data != nil {
-		err := syscall.Munmap(layer.data)
-		if err != nil {
-			closeErr = err
-		}
-
-		layer.data = nil
-	}
-
-	if layer.file != nil {
-		err := layer.file.Close()
-		if err != nil && closeErr == nil {
-			closeErr = err
-		}
-
-		layer.file = nil
-	}
-
-	return closeErr
-}
-- 
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