[PATCH v12 02/12] landlock: Allow filesystem layout changes for domains without such rule type

[Mickaël Salaün]

Please change the subject to "landlock: Allow FS topology changes for
domains without such rule type" to be consistent with the documentation.


On Wed, Sep 20, 2023 at 05:26:30PM +0800, Konstantin Meskhidze wrote:
> From: Mickaël Salaün <mic at digikod.net>
> 
> Allow mount point and root directory changes when there is no filesystem
> rule tied to the current Landlock domain.  This doesn't change anything
> for now because a domain must have at least a (filesystem) rule, but
> this will change when other rule types will come.  For instance, a
> domain only restricting the network should have no impact on filesystem
> restrictions.
> 
> Add a new get_current_fs_domain() helper to quickly check filesystem
> rule existence for all filesystem LSM hooks.
> 
> Remove unnecessary inlining.
> 
> Signed-off-by: Mickaël Salaün <mic at digikod.net>