On Wed, Aug 16, 2023 at 05:14:39PM +1000, Stephen Rothwell wrote:
> Hi Randy,
>
> On Tue, 15 Aug 2023 22:34:19 -0700 Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
> >
> > I have spent some time on this but I don't see where the problem is.
> >
> > ERROR: modpost: "bdev_mark_dead" [drivers/s390/block/dasd_mod.ko] undefined!
> >
> > CONFIG_BLOCK=y, bdev.o is built and contains the missing symbol.
> >
> > Full randconfig file is attached.
> >
> > Hopefully I'm just overlooking something.
>
> In your config, CONFIG_DASD=m which means "#ifdef CONFIG_DASD" will
> fail since CONFIG_DASD_MODULE is defined instead ... so maybe it should
> be "#if IS_ENABLED(CONFIG_DASD)" in block/bdev.c. This also fails an
> s390 allmodconfig build (obviously).
>
> So this is caused by commit
>
> 381f678306ce ("block: consolidate __invalidate_device and fsync_bdev")
>
> from the vfs-brauner branch in linux-next.
Thanks for reporting this everyone. Fixed in-tree.
