On Mon, 2018-01-15 at 12:29 -0500, Mike Snitzer wrote: > So you replied to v5, I emailed a v6 out for the relevant patch. Just > want to make sure you're testing with either Jens' latest tree or are > using my v6 that fixed blk_mq_unregister_dev() to require caller holds > q->sysfs_lock ? Hello Mike, In my test I was using Jens' latest for-next tree (commit 563877ae7dae). Bart.