Re: linux-next: build failure after merge of the ext4 tree

[Guan-Chun Wu]

On Mon, Jun 01, 2026 at 01:43:44PM +0100, Mark Brown wrote:
> On Fri, May 29, 2026 at 12:59:36PM +0100, Mark Brown wrote:
> > Hi all,
> > 
> > After merging the ext4 tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > ERROR: modpost: "ext4fs_dirhash" [fs/ext4/ext4-test.ko] undefined!
> > 
> > Caused by commit
> > 
> >    a4841d91a7f57 (ext4: add Kunit coverage for directory hash computation)
> > 
> > I have used the tree from next-20260528 instead.
> 
> This issue is still present today.

Hi Mark,

Thanks for reporting this.

I have sent an updated version of the patch series that should address this
issue:

Link: https://lore.kernel.org/lkml/20260531080019.3794809-1-409411716@xxxxxxxxxxxxxx/

Please let me know if anything else is needed.

Thanks,
Guan-Chun