Commits
Jens Axboe committed 25776e3594f
[PATCH] cfq-iosched: Detect hardware queueing If the hardware is doing real queueing, decide that it's worthless to idle the hardware. It does reasonable simultaneous io in that case anyways, and the idling hurts some work loads. Signed-off-by: Jens Axboe <axboe@suse.de>