A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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cfq: Remove useless css reference get

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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 <[email protected]>
Reviewed-by: Li Zefan <[email protected]>
Acked-by: Vivek Goyal <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Gui Jianfeng 2010-02-26 08:56:15 +01:00 • committed by Jens Axboe
commit 024f906616
3 changed files with 0 additions and 22 deletions
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3
block/blk-cgroup.h
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@ -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);