cfq-iosched: fix broken cfq_ref_get_cfqf() for CONFIG_BLK_CGROUP=y && CFQ_GROUP_IOSCHED=n
Dmitry Monakhov [Wed, 28 Apr 2010 17:50:33 +0000 (19:50 +0200)]
We should return the cfq_group for this case, not NULL.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

block/cfq-iosched.c

index 286008c..0f3eb70 100644 (file)
@@ -1094,7 +1094,7 @@ static struct cfq_group *cfq_get_cfqg(struct cfq_data *cfqd, int create)
 
 static inline struct cfq_group *cfq_ref_get_cfqg(struct cfq_group *cfqg)
 {
-       return NULL;
+       return cfqg;
 }
 
 static inline void