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-rw-r--r--block/blk-cgroup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index d6283b3f5..9cc48d1d7 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -387,6 +387,9 @@ static void blkg_destroy_all(struct request_queue *q)
blkg_destroy(blkg);
spin_unlock(&blkcg->lock);
}
+
+ q->root_blkg = NULL;
+ q->root_rl.blkg = NULL;
}
/*