tree 6021454aba3b5323981ddacdd3fe1b77c6f33f8f
parent a37244e4cc5766af68004ad6249fcd0e4694b441
author Stephen Bates <sbates@raithlin.com> 1491567843 -0600
committer Jens Axboe <axboe@fb.com> 1492723780 -0600

blk-mq: Add a polling specific stats function

Rather than bucketing IO statisics based on direction only we also
bucket based on the IO size. This leads to improved polling
performance. Update the bucket callback function and use it in the
polling latency estimation.

Signed-off-by: Stephen Bates <sbates@raithlin.com>
Signed-off-by: Jens Axboe <axboe@fb.com>