use renameat2 Linux extension syscall (#17757)

this is a faster and safer alternative
on newer kernel versions.

cmd/os-rename_linux.go

@@ -0,0 +1,31 @@
+//go:build linux
+// +build linux
+
+// Copyright (c) 2015-2023 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+// Rename2 captures time taken to call os.Rename
+func Rename2(src, dst string) (err error) {
+	defer updateOSMetrics(osMetricRename2, src, dst)(err)
+	return unix.Renameat2(unix.AT_FDCWD, src, unix.AT_FDCWD, dst, uint(2)) // RENAME_EXCHANGE from 'man renameat2'
+}