> void nvmet_ns_disable(struct nvmet_ns *ns)
> @@ -324,13 +324,10 @@ void nvmet_ns_disable(struct nvmet_ns *ns)
> struct nvmet_subsys *subsys = ns->subsys;
> struct nvmet_ctrl *ctrl;
>
> - mutex_lock(&subsys->lock);
> - if (list_empty(&ns->dev_link)) {
> - mutex_unlock(&subsys->lock);
> + if (!test_and_clear_bit(NVMET_NS_ENABLED, &ns->flags))
> return;
> - }
> - list_del_init(&ns->dev_link);
> - mutex_unlock(&subsys->lock);
> +
> + list_del_rcu(&ns->dev_link);
We'll still need the lock here, don't we?
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