Re: [PATCH v12 6/7] xfs: Implement ->notify_failure() for XFS

[Christoph Hellwig]

On Wed, Apr 13, 2022 at 10:09:40AM -0700, Dan Williams wrote:
> Yes, sounds like we're on the same page. I had mistakenly interpreted
> "Hence these notifications need to be delayed until after the
> filesystem is mounted" as something the producer would need to handle,
> but yes, consumer is free to drop if the notification arrives at an
> inopportune time.

A SB_BORN check might be all that we need.