Re: [PATCH net 6/6] net/sched: qdisc_destroy() old ingress and clsact Qdiscs before grafting

[Peilin Ye]

On Wed, May 17, 2023 at 11:48:05AM -0700, Jakub Kicinski wrote:
> On Wed, 17 May 2023 11:49:10 +0300 Vlad Buslov wrote:
> > I wonder if somehow leveraging existing tc_modify_qdisc() 'replay'
> > functionality instead of returning error to the user would be a better
> > approach? Currently the function is replayed when qdisc_create() returns
> > EAGAIN. It should be trivial to do the same for qdisc_graft() result.
>
> Sounds better than returning -EBUSY to the user and expecting them
> to retry, yes.

Thanks for the suggestion, Vlad!  I'll try this in tc_modify_qdisc() and
tc_get_qdisc() (for Qdisc deletion) in v2.

Thanks,
Peilin Ye