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authorGui Jianfeng <guijianfeng@cn.fujitsu.com>2010-02-26 08:56:15 +0100
committerJens Axboe <jens.axboe@oracle.com>2010-02-26 08:56:15 +0100
commit024f9066165ffe9c8284431c78adcbcddd309831 (patch)
tree11b64dd7861985aca57bd7624cd25c804afd4b1a /block/blk-cgroup.h
parent7f03292ee16e68be96aa88904afc6152f8d37736 (diff)
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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>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 4d316df863b..84bf745fa77 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -43,9 +43,6 @@ struct blkio_group {
unsigned long sectors;
};
-extern bool blkiocg_css_tryget(struct blkio_cgroup *blkcg);
-extern void blkiocg_css_put(struct blkio_cgroup *blkcg);
-
typedef void (blkio_unlink_group_fn) (void *key, struct blkio_group *blkg);
typedef void (blkio_update_group_weight_fn) (struct blkio_group *blkg,
unsigned int weight);