// upload an object such as `prefix/object/xl.meta`
		// where `prefix/object` is already an object
		if isSysErrNotDir(err) && runtime.GOOS != globalWindowsOSName {
			// NOTE: On windows the error happens at
			// next line and returns appropriate error.
			return res, errFileAccessDenied
		}
		if !osIsNotExist(err) {
			return res, osErrToFileErr(err)
		}
		if formatLegacy {
			// errFileNotFound comes here.