From: Chuck Lever <chuck.lever@xxxxxxxxxx>
On Mon, 09 Sep 2024 15:06:36 +1000, NeilBrown wrote:
> The pair of bloom filtered used by delegation_blocked() was intended to
> block delegations on given filehandles for between 30 and 60 seconds. A
> new filehandle would be recorded in the "new" bit set. That would then
> be switch to the "old" bit set between 0 and 30 seconds later, and it
> would remain as the "old" bit set for 30 seconds.
>
> Unfortunately the code intended to clear the old bit set once it reached
> 30 seconds old, preparing it to be the next new bit set, instead cleared
> the *new* bit set before switching it to be the old bit set. This means
> that the "old" bit set is always empty and delegations are blocked
> between 0 and 30 seconds.
>
> [...]
Applied to nfsd-next for v6.12, thanks!
[1/1] nfsd: fix delegation_blocked() to block correctly for at least 30 seconds
commit: bd400f0ac66e0a6e1276d6455d73aed6ce6a1453
--
Chuck Lever
