Re: [PATCH 2/9] libxfs: don't UAF a requeued EFI

Christoph Hellwig
2023-11-28T05:37:15Z

On Mon, Nov 27, 2023 at 10:10:24AM -0800, Darrick J. Wong wrote:
> > It might be time to move this code into shared files?
>
> I think Chandan started looking into what it would take to port the log
> code from the kernel into userspace. Then xfs_trans_commit in userspace
> could actually write transactions to the log and write them back
> atomically; and xfs_repair could finally lose the -L switch.

While that does sound like a really good idea, it's now what I meant
here. I think if we moved the actual defer ops instances out of the
_item.c files into libxfs, I think we could reuse them for the current
way of operating in userspace quite easily with strategic stubs for
some functionality.