tree 58ba74a2f8e0edce59c770c74d019d4e1e3c98fd
parent ba8f5baba79da8eb502f8534c3a8ecb64aceb790
author Jens Axboe <axboe@suse.de> 1149149246 +0200
committer Jens Axboe <axboe@suse.de> 1149149246 +0200

[PATCH] cfq-iosched: check busy queues before deciding we are idle

For just one busy queue (like async write out), we often overlooked
that we could queue more io and decided we were idle instead. This causes
us quite a bit of performance loss.

Signed-off-by: Jens Axboe <axboe@suse.de>