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SubjectRe: [PATCH net 6/6] net/sched: qdisc_destroy() old ingress and clsact Qdiscs before grafting
On Tue, 16 May 2023 15:58:46 -0700 Peilin Ye wrote:
> > Given Peilin's investigation I think fix without changing core may
> > indeed be hard. I'm not sure if returning -EBUSY when qdisc refcnt
> > is elevated will be appreciated by the users, do we already have
> > similar behavior in other parts of TC?
>
> Seems like trying to delete an "in-use" cls_u32 filter returns -EBUSY

I meant -EBUSY due to a race (another operation being in flight).
I think that's different.

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