Alexander Viro wrote:

>All module init code is under BKL and will stay that way for a long time.
>If that ever becomes not true, we are in for much more pain that
>register_blkdev() races - you would need to do audit of all drivers to
>pull something like that.
>

I suspected that the locking in init_module was preventing bad
things from happening in {devfs_}register_blkdev, I am sure now.

Balbir