06eed768ea64 ("dm: avoid needless dm_io access if all IO accounting is disabled") 526d10061bc2 ("dm: support turning off block-core's io stats accounting") 5f27571382ca ("block: count 'ios' and 'sectors' when io is done for bio-based device") d4d957b53d91 ("nvme-multipath: support io stats on the mpath device") 6887fc6495f2 ("nvme: introduce nvme_start_request")