cfq: Remove useless css reference get
commit024f9066165ffe9c8284431c78adcbcddd309831
authorGui Jianfeng <guijianfeng@cn.fujitsu.com>
Fri, 26 Feb 2010 07:56:15 +0000 (26 08:56 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 26 Feb 2010 07:56:15 +0000 (26 08:56 +0100)
tree11b64dd7861985aca57bd7624cd25c804afd4b1a
parent7f03292ee16e68be96aa88904afc6152f8d37736
cfq: Remove useless css reference get

There's no need to take css reference here, for the caller
has already called rcu_read_lock() to prevent cgroup from
being removed.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/blk-cgroup.c
block/blk-cgroup.h
block/cfq-iosched.c