diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -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 b1472bc2d49c..ed897b5ef315 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c | |||
| @@ -3741,8 +3741,10 @@ static void *cfq_init_queue(struct request_queue *q) | |||
| 3741 | * to make sure that cfq_put_cfqg() does not try to kfree root group | 3741 | * to make sure that cfq_put_cfqg() does not try to kfree root group |
| 3742 | */ | 3742 | */ |
| 3743 | atomic_set(&cfqg->ref, 1); | 3743 | atomic_set(&cfqg->ref, 1); |
| 3744 | rcu_read_lock(); | ||
| 3744 | blkiocg_add_blkio_group(&blkio_root_cgroup, &cfqg->blkg, (void *)cfqd, | 3745 | blkiocg_add_blkio_group(&blkio_root_cgroup, &cfqg->blkg, (void *)cfqd, |
| 3745 | 0); | 3746 | 0); |
| 3747 | rcu_read_unlock(); | ||
| 3746 | #endif | 3748 | #endif |
| 3747 | /* | 3749 | /* |
| 3748 | * Not strictly needed (since RB_ROOT just clears the node and we | 3750 | * Not strictly needed (since RB_ROOT just clears the node and we |