Hi Jens and DASD maintainers, can you take a look at this series, which stops the DASD driver from issuing ioctls from kernel space, in preparation of removing ioctl_by_bdev. I don't really like the new s390-only method, but short of forcing the dasd driver to be built into the kernel I can't think of anything better. But maybe the s390 maintainers are fine with forcing the DASD driver to be built in, in which case we could go down that route?
