block/mq-deadline: Add two lockdep_assert_held() statements

Document the locking strategy by adding two lockdep_assert_held()
statements.

Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Damien Le Moal <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Reviewed-by: Himanshu Madhani <[email protected]>
Cc: Damien Le Moal <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Ming Lei <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
1 file changed