linux-kernel - Re: [PATCH] btrfs: remove unused pages

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Date:   Thu, 10 Aug 2023 19:20:33 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, Arnd Bergmann <arnd@...db.de>,
        kernel test robot <lkp@...el.com>,
        Johannes Thumshirn <johannes.thumshirn@....com>,
        Qu Wenruo <wqu@...e.com>, Anand Jain <anand.jain@...cle.com>,
        Filipe Manana <fdmanana@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        Arnd Bergmann <arnd@...nel.org>, linux@...mhuis.info
Subject: Re: [PATCH] btrfs: remove unused pages_processed variable

On Thu, Aug 03, 2023 at 09:45:27AM -0700, Nick Desaulniers wrote:
> On Tue, Jul 25, 2023 at 2:49 PM Nick Desaulniers
> <ndesaulniers@...gle.com> wrote:
> >
> > On Mon, Jul 24, 2023 at 02:19:15PM +0200, Arnd Bergmann wrote:
> > > From: Arnd Bergmann <arnd@...db.de>
> > >
> > > The only user of pages_processed was removed, so it's now a local write-only
> > > variable that can be eliminated as well:
> > >
> > > fs/btrfs/extent_io.c:214:16: error: variable 'pages_processed' set but not used [-Werror,-Wunused-but-set-variable]
> > >
> > > Fixes: 9480af8687200 ("btrfs: split page locking out of __process_pages_contig")
> > > Reported-by: kernel test robot <lkp@...el.com>
> > > Closes: https://lore.kernel.org/oe-kbuild-all/202307241541.8w52nEnt-lkp@intel.com/
> > > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> >
> > Thanks for the patch!
> > Reported-by: kernelci.org bot <bot@...nelci.org>
> > Link: https://lore.kernel.org/llvm/64c00cd4.630a0220.6ad79.0eac@mx.google.com/
> > Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
> 
> Friendly ping the btrfs maintainers to please pick this up.

Fix folded to the original patch, thanks.