linux-kernel - Re: (resend) [PATCH [linux-4.14.y]] dm cache: submit writethrough writes in parallel to origin and cache

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Message-ID: <20200730052127.GA3860556@kroah.com>
Date:   Thu, 30 Jul 2020 07:21:27 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     John Donnelly <John.P.donnelly@...cle.com>
Cc:     Mike Snitzer <snitzer@...hat.com>, stable@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: (resend) [PATCH [linux-4.14.y]] dm cache: submit writethrough
 writes in parallel to origin and cache

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@...uxfoundation.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@...r.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!