diff options
| -rw-r--r-- | block/cfq-iosched.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 838834be115b..5f127cfb2e92 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c | |||
| @@ -3694,8 +3694,10 @@ static void *cfq_init_queue(struct request_queue *q) | |||
| 3694 | * to make sure that cfq_put_cfqg() does not try to kfree root group | 3694 | * to make sure that cfq_put_cfqg() does not try to kfree root group |
| 3695 | */ | 3695 | */ |
| 3696 | atomic_set(&cfqg->ref, 1); | 3696 | atomic_set(&cfqg->ref, 1); |
| 3697 | rcu_read_lock(); | ||
| 3697 | blkiocg_add_blkio_group(&blkio_root_cgroup, &cfqg->blkg, (void *)cfqd, | 3698 | blkiocg_add_blkio_group(&blkio_root_cgroup, &cfqg->blkg, (void *)cfqd, |
| 3698 | 0); | 3699 | 0); |
| 3700 | rcu_read_unlock(); | ||
| 3699 | #endif | 3701 | #endif |
| 3700 | /* | 3702 | /* |
| 3701 | * Not strictly needed (since RB_ROOT just clears the node and we | 3703 | * Not strictly needed (since RB_ROOT just clears the node and we |