tree 689dcf37ba781ad627ae01be4fcb6f5414f67c1b
parent 12e9fddd6eb827937fcaac8ac7712c7303898b1f
author Jens Axboe <axboe@suse.de> 1149149546 +0200
committer Jens Axboe <axboe@suse.de> 1149149546 +0200

[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>