On 4/18/25 10:06 PM, Ming Lei wrote:
> Move debugfs/sysfs register out of freezing queue in
> __blk_mq_update_nr_hw_queues(), so that the following lockdep dependency
> can be killed:
>
> #2 (&q->q_usage_counter(io)#16){++++}-{0:0}:
> #1 (fs_reclaim){+.+.}-{0:0}:
> #0 (&sb->s_type->i_mutex_key#3){+.+.}-{4:4}: //debugfs
>
> And registering/un-registering debugfs/sysfs does not require queue to be
> frozen.
>
> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
Looks good to me:
Reviewed-by: Nilay Shroff <nilay@xxxxxxxxxxxxx>
