Re: [patch 2/8] allow unprivileged umount

Miklos Szeredi
2007-04-22T07:08:27Z

> I suspect we can allow MNT_FORCE for non-privileged users
> as well if we can trust the filesystem.

I don't think so. MNT_FORCE has side effects on the superblock. So a
user shouldn't be able to force an unmount on a bind mount s/he did,
but there's no problem with allowing plain/lazy unmounts.

We could possibly allow MNT_FORCE, for FS_SAFE filesystems.

Miklos