Re: Upcoming: Notifications, FS notifications and fsinfo()

From: Karel Zak
Date: Tue Mar 31 2020 - 05:49:45 EST


On Tue, Mar 31, 2020 at 10:56:35AM +0200, Miklos Szeredi wrote:
> I think we are approaching this from the wrong end. Let's just
> ignore all of the proposed interfaces for now and only concentrate on
> what this will be used for.
>
> Start with a set of use cases by all interested parties. E.g.
>
> - systemd wants to keep track attached mounts in a namespace, as well
> as new detached mounts created by fsmount()
>
> - systemd need to keep information (such as parent, children, mount
> flags, fs options, etc) up to date on any change of topology or
> attributes.
>
> - util linux needs to display the topology and state of mounts in the
> system that corresponds to a consistent state that set of mounts

- like systemd we also need in mount/umount to query one mountpoint
rather than parse all /proc/self/mountinfo

Karel

--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com