Re: [PATCH 2/4] target: Drop lun_sep_lock for se_lun->lun_se_dev RCU usage

[Christoph Hellwig]

> @@ -683,7 +679,7 @@ void core_tpg_remove_lun(
>  		dev->export_count--;
>  		spin_unlock(&dev->se_port_lock);
>  
> -		lun->lun_se_dev = NULL;
> +		rcu_assign_pointer(lun->lun_se_dev, NULL);
>  	}

What guarantees that the se_device stays around for at least a RCU
grace period after this assignment?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/