avoid Access() calls on known bucket paths (#17719)

cmd/prepare-storage.go

@@ -23,6 +23,7 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
+	"path/filepath"
 	"sync"
 	"time"
 
@@ -97,6 +98,12 @@ func bgFormatErasureCleanupTmp(diskPath string) {
 			err))
 	}
 
+	// Delete all temporary files created for DirectIO write check
+	files, _ := filepath.Glob(filepath.Join(diskPath, ".writable-check-*.tmp"))
+	for _, file := range files {
+		removeAll(file)
+	}
+
 	// Remove the entire folder in case there are leftovers that didn't get cleaned up before restart.
 	go removeAll(pathJoin(diskPath, minioMetaTmpBucket+"-old"))
 	// Renames and schedules for purging all bucket metacache.