On Wed, Jun 07, 2017 at 05:52:02PM +0200, Karel Zak wrote:
> On Wed, Jun 07, 2017 at 10:32:49AM +1000, NeilBrown wrote:
> >
> > The "-c" option has been supported by umount since util-linux 2.17.
> > It tells umount that the path name is "canonical", meaning no
> > symlinks or ".." etc.
> > This is appropriate for autofs to use and it always uses canonical
> > path names.
> > The advantage of "-c" is that it means umount doesn't need to
> > 'lstat()' the path so much.
>
> It would be also nice to force systemd to use "umount -c" on shutdown
> to avoid automount storm...
$ git blame -L889,+1 src/core/mount.c
83897d54 (Neil Brown 2017-06-07 22:28:23 +1000 889) r = exec_command_set(m->control_command, UMOUNT_PATH, m->where, "-c", NULL);
OK.... ;-)
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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