The buildbot pointed out correctly (but rather late), that the special s390/dasd export needs a _MODULE postfix, so this will have to be folded in: diff --git a/block/bdev.c b/block/bdev.c index 2a035be7f3ee90..a20263fa27a462 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -967,7 +967,7 @@ void bdev_mark_dead(struct block_device *bdev, bool surprise) invalidate_bdev(bdev); } -#ifdef CONFIG_DASD +#ifdef CONFIG_DASD_MODULE /* * Drivers should not use this directly, but the DASD driver has historically * had a shutdown to offline mode that doesn't actually remove the gendisk