diff options
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 04d286934c5e..440797293235 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1390,7 +1390,8 @@ pd_prealloc: spin_lock_irq(&q->queue_lock); - list_for_each_entry(blkg, &q->blkg_list, q_node) { + /* blkg_list is pushed at the head, reverse walk to init parents first */ + list_for_each_entry_reverse(blkg, &q->blkg_list, q_node) { struct blkg_policy_data *pd; if (blkg->pd[pol->plid]) |