On Wed, Dec 18, 2024 at 10:09:24AM +0800, Ming Lei wrote: > This way looks good, just commit af2814149883 ("block: freeze the queue in > queue_attr_store") needs to be reverted, and freeze/unfreeze has to be > added to each queue attribute .store() handler. Actually the sysfs handlers need a lot more work, including sorting out the sysfs_lock mess. Gimme a little time to work on it.