tree 2ae92bc6cabfd9d2308902c3ac92f04fe6fbf1fb
parent a3b8d92d25212c5b6534ae9b347ed2858de78336
author Gui Jianfeng <guijianfeng@cn.fujitsu.com> 1260258857 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1260367863 +0100

cfq: Optimization for close cooperating queue searching

It doesn't make any sense to try to find out a close cooperating
queue if current cfqq is the only one in the group.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>