Re: [PATCH 3/5] xfs: add XFS_ITEM_UNSAFE for log item push return result

[Christoph Hellwig <hch@infradead.org>]

On Wed, Aug 28, 2024 at 07:52:48AM +1000, Dave Chinner wrote:
> I suspect that we'd do better to have explicit shutdown processing
> of log items in the AIL (i.e. a ->iop_shutdown method) that is
> called instead of ->iop_push when the AIL detects that the
> filesystem has shut down. We can then define the exact behaviour we
> want in this case and processing does not have to be non-blocking
> for performance and latency reasons.
> 
> If we go down that route, I think we'd want to add a
> XFS_ITEM_SHUTDOWN return value after the push code calls
> xfs_force_shutdown(). The push code does not error out the item or
> remove it from the AIL, just shuts down the fs and returns
> XFS_ITEM_SHUTDOWN.

Yes, that seems even better.  But it would probably be a fair amount
of work.