写入和删除缓存文件时增加线程数限制

internal/utils/fs/os.go

@@ -0,0 +1,31 @@
+// Copyright 2024 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package fsutils
+
+import "os"
+
+func Remove(filename string) (err error) {
+	WriterLimiter.Ack()
+	err = os.Remove(filename)
+	WriterLimiter.Release()
+	return
+}
+
+func Rename(oldPath string, newPath string) (err error) {
+	WriterLimiter.Ack()
+	err = os.Rename(oldPath, newPath)
+	WriterLimiter.Release()
+	return
+}
+
+func ReadFile(filename string) (data []byte, err error) {
+	ReaderLimiter.Ack()
+	data, err = os.ReadFile(filename)
+	ReaderLimiter.Release()
+	return
+}
+
+func WriteFile(filename string, data []byte, perm os.FileMode) (err error) {
+	err = os.WriteFile(filename, data, perm)
+	return
+}