use GlobalContext whenever possible (#9280)

This change is throughout the codebase to
ensure that all codepaths honor GlobalContext

cmd/utils.go

@@ -71,7 +71,7 @@ func IsErr(err error, errs ...error) bool {
 func request2BucketObjectName(r *http.Request) (bucketName, objectName string) {
 	path, err := getResource(r.URL.Path, r.Host, globalDomainNames)
 	if err != nil {
-		logger.CriticalIf(context.Background(), err)
+		logger.CriticalIf(GlobalContext, err)
 	}
 
 	return path2BucketObject(path)