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SubjectRe: [PATCH 13/19] vfs: Add a mount-notification facility [ver #16]
Date
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

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