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

From: David Howells
Date: Fri Feb 21 2020 - 12:06:32 EST

Jann Horn <jannh@xxxxxxxxxx> wrote:

> > What's the best way to write a lockdep assertion?
> >
> > BUG_ON(!lockdep_is_held(lock));
> lockdep_assert_held(lock) is the normal way, I think - that will
> WARN() if lockdep is enabled and the lock is not held.

Okay. But what's the best way with a seqlock_t? It has two dep maps in it.
Do I just ignore the one attached to the spinlock?