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Diffstat (limited to 'block/blk-cgroup.c')
-rw-r--r--block/blk-cgroup.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 717ab38a6c67..3ba23b9bfeb9 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -349,8 +349,7 @@ static void blkg_destroy_all(struct request_queue *q)
{
struct blkcg_gq *blkg, *n;
- lockdep_assert_held(q->queue_lock);
-
+ spin_lock_irq(q->queue_lock);
list_for_each_entry_safe(blkg, n, &q->blkg_list, q_node) {
struct blkcg *blkcg = blkg->blkcg;
@@ -360,6 +359,7 @@ static void blkg_destroy_all(struct request_queue *q)
}
q->root_blkg = NULL;
+ spin_unlock_irq(q->queue_lock);
}
/*
@@ -1182,9 +1182,7 @@ int blkcg_init_queue(struct request_queue *q)
return 0;
err_destroy_all:
- spin_lock_irq(q->queue_lock);
blkg_destroy_all(q);
- spin_unlock_irq(q->queue_lock);
return ret;
err_unlock:
spin_unlock_irq(q->queue_lock);
@@ -1222,10 +1220,7 @@ void blkcg_drain_queue(struct request_queue *q)
*/
void blkcg_exit_queue(struct request_queue *q)
{
- spin_lock_irq(q->queue_lock);
blkg_destroy_all(q);
- spin_unlock_irq(q->queue_lock);
-
blk_throtl_exit(q);
}