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Date:   Fri, 31 Jul 2020 08:36:00 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     John Donnelly <john.p.donnelly@oracle.com>
Cc:     Mike Snitzer <snitzer@redhat.com>, stable@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: (resend) [PATCH [linux-4.14.y]] dm cache: submit writethrough
 writes in parallel to origin and cache
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On Thu, Jul 30, 2020 at 09:40:32AM -0500, John Donnelly wrote:
> 
> 
> > On Jul 30, 2020, at 12:21 AM, Greg KH <gregkh@linuxfoundation.org> wrote:
> > 
> > On Wed, Jul 29, 2020 at 06:45:46PM -0500, John Donnelly wrote:
> >> 
> >> 
> >> On 7/29/20 9:16 AM, Mike Snitzer wrote:
> >>> On Wed, Jul 29 2020 at  7:55am -0400,
> >>> Greg KH <gregkh@linuxfoundation.org> wrote:
> >>> 
> >>>> On Wed, Jul 29, 2020 at 01:51:19PM +0200, Greg KH wrote:
> >>>>> On Mon, Jul 27, 2020 at 11:00:14AM -0400, Mike Snitzer wrote:
> >>>>>> This mail needs to be saent to stable@vger.kernel.org (now cc'd).
> >>>>>> 
> >>>>>> Greg et al: please backport 2df3bae9a6543e90042291707b8db0cbfbae9ee9
> >>>>> 
> >>>>> Now backported, thanks.
> >>>> 
> >>>> Nope, it broke the build, I need something that actually works :)
> >>>> 
> >>> 
> >>> OK, I'll defer to John Donnelly to get back with you (and rest of
> >>> stable@).  He is more invested due to SUSE also having this issue.  I
> >>> can put focus to it if John cannot sort this out.
> >>> 
> >>> Mike
> >>> 
> >> 
> >> 
> >> Hi.
> >> 
> >> 
> >> Thank you for reaching out.
> >> 
> >> What specifically is broken? . If it that applying
> >> 2df3bae9a6543e90042291707b8db0cbfbae9ee9 to 4.14.y is failing?
> > 
> > yes, try it yourself and see!
> 
>  Hi . 
> 
>  Yes .  
> 
>   2df3bae9a6543e90042291707b8db0cbfbae9ee9
> 
>  Needs refactored to work in 4.14.y (now .190) as there is a conflict in arguments as noted in my original submittal ;-) . 
>  I also noticed there are warning to functions " defined but not used [-Wunused-function] “  too.
> 
>  Do you want another PATCH v2 message  in a new email thread,  or can I  append it to this this thread ?

I do not care, either should be fine.