On 10/1/24 10:06 PM, Chun-Yi Lee wrote: > This is a patch for debugging. For tracking the reference count of using > net_device in aoeif, this patch adds a nd_pcpu_refcnt field in aoeif > structure. Two wrappers, nd_dev_hold() and nd_dev_put() are used to > call dev_hold(nd)/dev_put(nd) and maintain ifp->nd_pcpu_refcnt at the > same time. There's no parallel universe in which using a percpu reference over just a refcount_t for something like aoe is warranted. -- Jens Axboe
