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Subject[PATCH 01/11] blkcg: remove unnecessary request_list->blkg NULL test in blk_put_rl()
Date
Since ec13b1d6f0a0 ("blkcg: always create the blkcg_gq for the root
blkcg"), a request_list always has its blkg associated. Drop
unnecessary rl->blkg NULL test from blk_put_rl().

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
---
include/linux/blk-cgroup.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 1b62d76..9711fc2 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -394,8 +394,7 @@ static inline struct request_list *blk_get_rl(struct request_queue *q,
*/
static inline void blk_put_rl(struct request_list *rl)
{
- /* root_rl may not have blkg set */
- if (rl->blkg && rl->blkg->blkcg != &blkcg_root)
+ if (rl->blkg->blkcg != &blkcg_root)
blkg_put(rl->blkg);
}

--
2.4.3


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