}

// Input/output error
func isSysErrIO(err error) bool {
	return errors.Is(err, syscall.EIO)
}

// Check if the given error corresponds to EISDIR (is a directory).
func isSysErrIsDir(err error) bool {
	return errors.Is(err, syscall.EISDIR)
}

// Check if the given error corresponds to ENOTDIR (is not a directory).
func isSysErrNotDir(err error) bool {
	return errors.Is(err, syscall.ENOTDIR)
}

	if err == nil {
		return nil
	}
	if osIsNotExist(err) {
		return errFileNotFound
	}
	if osIsPermission(err) {
		return errFileAccessDenied
	}
	if isSysErrNotDir(err) || isSysErrIsDir(err) {
		return errFileNotFound
	}
	if isSysErrPathNotFound(err) {
		return errFileNotFound
	}
	if isSysErrTooManyFiles(err) {
		return errTooManyOpenFiles
	}
	if isSysErrHandleInvalid(err) {

				if isDirObj {
					meta.name = strings.TrimSuffix(meta.name, globalDirSuffixWithSlash) + slashSeparator
				}
				if err := send(meta); err != nil {
					return err
				}
			case osIsNotExist(err), isSysErrIsDir(err):
				if legacy {
					meta.metadata, err = xioutil.ReadFile(pathJoinBuf(sb, volumeDir, meta.name, xlStorageFormatFileV1))
					diskHealthCheckOK(ctx, err)
					if err == nil {
						// It was an object

					return nil, dmTime, errVolumeNotFound
				}
			}
			return nil, dmTime, errFileNotFound
		case osIsPermission(err):
			return nil, dmTime, errFileAccessDenied
		case isSysErrNotDir(err) || isSysErrIsDir(err):
			return nil, dmTime, errFileNotFound
		case isSysErrHandleInvalid(err):
			// This case is special and needs to be handled for windows.
			return nil, dmTime, errFileNotFound
		case isSysErrIO(err):