[PATCH v2 2/4] watchdog: export watchdog_mutex and lockup_detector_reconfigure

[Christoph Hellwig]

On Tue, Jun 14, 2022 at 03:54:12PM +0200, Laurent Dufour wrote:
> The watchdog_mutex is exported to allow some variable to be changed under
> its protection and prevent any conflict.
> The lockup_detector_reconfigure() function is exported and is expected to
> be called under the protection of watchdog_mutex.

Please provide an actual function accessor instead of directly touching
a global lock.