[systemd-devel] Unit configuration for S3QL filesystem

[Lennart Poettering]

On Wed, 23.04.14 20:39, Nikolaus Rath (Nikolaus at rath.org) wrote:

> Lennart Poettering <lennart at poettering.net> writes:
> >>> systemd will invoke /bin/mount when mounting a file system, and
> >>> /bin/umount when unmountin it. fuse file systems may fork off background
> >>> processes from there, that will be kept around while the file system is
> >>> mounted, and terminated atfer the file system is unmounted again.
> >> 
> >> Is there any way to avoid that, and give the background process some
> >> time to terminate on its own?
> >
> > It has that. We always send SIGTERM first, and after a timeout of 90s
> > (by default) this is followed by SIGKILL if the process didn't exit on
> > its own by then.
> 
> Apologies, I couldn't deduce that from your above statement, nor was I
> able to find this in systemd.mount(5). The latter only talks about
> processes being killed when the mount command did not return after
> TimeoutSec seconds. Does this mean (hypothetically, I know it wouldn't
> be helpful) that I could also use the other options from
> systemd.kill(5), so that if e.g. I set KillMode=process any child
> processes of the mount helper will actually be left alive?

Yes, the system.mount(5) man page is actually pretty clear that the
options from system.kill(5) apply too. It references that man page at
least four times...

Lennart

-- 
Lennart Poettering, Red Hat