On Wed, Jun 14, 2017 at 09:45:03PM -0600, Jens Axboe wrote: > Useful to verify that things are working the way they should. > Reading the file will return number of kb written to each > stream. Writing the file will reset the statistics. No care > is taken to ensure that we don't race on updates. > > Drivers will write to q->stream_writes[] if they handle a stream. What's blk-mq specific about this? Seems like this either should be generic block or nvme specific, but probably not blk-mq. And of course the name should change with the rest of the names now.