We should return the cfq_group for this case, not NULL. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
@@ -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