blkg_alloc() was mistakenly checking blkcg_policy_enabled() twice.
The latter test should have been on whether pol->pd_init_fn() exists.
This doesn't cause actual problems because both blkcg policies
implement pol->pd_init_fn(). Fix it.
Signed-off-by: Tejun Heo <t...@kernel.org>
Acked-by: Vivek Goyal <vgo...@redhat.com>
---
block/blk-cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index b8858fb..7ef747b 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -114,7 +114,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg,
struct request_queue *q,
pd->blkg = blkg;
/* invoke per-policy init */
- if (blkcg_policy_enabled(blkg->q, pol))
+ if (pol->pd_init_fn)
pol->pd_init_fn(blkg);
}
--
1.8.0.2
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