optimize the perf and support more features

pkg/scsi/backingstore/iouring/iouring_stub.go

@@ -0,0 +1,33 @@
+//go:build !linux
+// +build !linux
+
+/*
+Copyright 2024 The GoStor Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package iouring
+
+import (
+// io_uring is not available on non-Linux platforms
+)
+
+func init() {
+	// io_uring is not available on non-Linux platforms
+}
+
+// Available returns false on non-Linux platforms
+func Available() bool {
+	return false
+}