Re: proposed libc interface and man page for statmount(2)

Christian Brauner
2023-11-22T10:18:18Z

On Tue, Nov 21, 2023 at 08:42:17PM +0100, Miklos Szeredi wrote:
> On Tue, 21 Nov 2023 at 02:33, Ian Kent <raven@themaw.net> wrote:
>
> > I've completely lost what we are talking about.
>
> I started thinking about a good userspace API, and I'm skeptical about
> the proposed kernel API being good for userspace as well.
>
> Maybe something like this would be the simplest and least likely to be
> misused (and also very similar to opendir/readdir/closedir):

I want batch retrieval to be possible with the kernel interface. That's
important for userspace and was requested in the LSFMM discussion.

I would like to grab the proposal to return the last mount id in struct
mnt_id_req. In userspace it can then easily be implemented the way you
proposed below.