Re: Setting mount propagation type in new mount API

From: David Howells
Date: Mon May 18 2020 - 10:30:42 EST


Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx> wrote:

> I've been looking at the new mount API (fsopen(), fsconfig(),
> fsmount(), move_mount(), etc.) and among the details that remain
> mysterious to me is this: how does one set the propagation type
> (private/shared/slave/unbindable) of a new mount and change the
> propagation type of an existing mount?

Christian said he was going to have a go at writing mount_setattr(). It's not
trivial as it has to be able to handle AT_RECURSIVE.

David