On Tue, Jan 11, 2022 at 07:40:13PM +0100, Guillaume Morin wrote:
> 41d2d848e5c0 ("md: improve io stats accounting") was added during the
> 5.9 cycle and therefore is present in the 5.10 branch. This patch was
> then reverted in mainline during the 5.14 cycle (ad3fc798800f) due to
> report of double faults [1].
>
> However the revert was not picked up for the 5.10 branch. I believe it
> should be queued up.
>
> Unfortunately, 41d2d848e5c0 in 5.10 cannot be reverted cleanly because
> of the later changes in 00fe60eae94. The mainline 5.14 revert commit
> also does not apply cleanly on 5.10 because 99dfc43ecbf6 is not in 5.10.
> Manually merging the revert is trivial though (I could provide the patch
> I've been testing if that's helpful).
Please provide a working revert and we will be glad to queue it up.
thanks,
greg k-h
