Hi Jens, On Wed, Oct 02, 2024 at 12:38:30PM -0600, Jens Axboe wrote: > 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. > Thanks for your review! I will use refcount_t in next version. Joey Lee
