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| author | Gui Jianfeng <guijianfeng@cn.fujitsu.com> | 2010-02-26 08:56:15 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-02-26 08:56:15 +0100 |
| commit | 024f9066165ffe9c8284431c78adcbcddd309831 (patch) | |
| tree | 11b64dd7861985aca57bd7624cd25c804afd4b1a /block/blk-cgroup.h | |
| parent | 7f03292ee16e68be96aa88904afc6152f8d37736 (diff) | |
| download | lwn-024f9066165ffe9c8284431c78adcbcddd309831.tar.gz lwn-024f9066165ffe9c8284431c78adcbcddd309831.zip | |
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.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 4d316df863b4..84bf745fa775 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); |