if err = checkPathLength(dirPath); err != nil {
		return err
	}

	if err = reliableRemoveAll(dirPath); err != nil {
		switch {
		case isSysErrNotDir(err):
			// File path cannot be verified since one of
			// the parents is a file.
			return errFileAccessDenied
		case isSysErrPathNotFound(err):
			// This is a special case should be handled only for
			// windows, because windows API does not return "not a

	}
	return fd, nil
}

// Forked from Golang but chooses to avoid performing lookup
//
// osMkdirAll creates a directory named path,
// along with any necessary parents, and returns nil,
// or else returns an error.
// The permission bits perm (before umask) are used for all
// directories that MkdirAll creates.
// If path is already a directory, MkdirAll does nothing
// and returns nil.

		return nil, osErrToFileErr(err)
	}

	w, err := OpenFile(filePath, mode, 0o666)
	if err != nil {
		// File path cannot be verified since one of the parents is a file.
		switch {
		case isSysErrIsDir(err):
			return nil, errIsNotRegular
		case osIsPermission(err):
			return nil, errFileAccessDenied
		case isSysErrNotDir(err):