| From | David Howells <> | Subject | Re: [PATCH 13/19] vfs: Add a mount-notification facility [ver #16] | Date | Fri, 21 Feb 2020 12:24:49 +0000 |
| |
Jann Horn <jannh@google.com> wrote:
> > + * Post mount notifications to all watches going rootwards along the tree. > > + * > > + * Must be called with the mount_lock held. > > Please put such constraints into lockdep assertions instead of > comments; that way, violations can actually be detected.
What's the best way to write a lockdep assertion?
BUG_ON(!lockdep_is_held(lock));
David
|