[systemd-devel] Hotplug auto mounting and masked mount units

[Lennart Poettering]

On Do, 09.01.20 23:27, Mantas Mikulėnas (grawity at gmail.com) wrote:

> On Thu, Jan 9, 2020 at 11:03 PM Phillip Susi <phill at thesusis.net> wrote:
>
> > Someone in #debian mentioned to me that they were getting some odd
> > errors in their logs when running gparted.  It seems that several years
> > ago there was someone with a problem caused by systemd auto mounting
> > filesystems in response to udev events triggered by gparted, and so as a
> > workaround, gparted masks all mount units.  Curtis Gedeck and I can't
> > seem to figure out now, why this was needed because we can't seen to get
> > systemd to automatically mount a filesystem just because it's device is
> > hot plugged.  Are there any circumstances under which systemd will mount
> > a filesystem when it's device is hotplugged?
> >
>
> Yes, in nearly all older systemd versions, if a fstab entry had 'auto' then
> its generated .mount unit was automatically inserted into the corresponding
> .device's Wants= list. (Which IMHO was quite useful with 'auto,nofail'
> combined.) This was removed in systemd v242.

Not removed, just changed to be conditioned by the
x-systemd.device-bound fstab option (see other mail)

Lennart

--
Lennart Poettering, Berlin