linux-kernel - Re: [f2fs-dev] [PATCH -next] f2fs: remove set but not used variable 'cs

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Date:   Thu, 16 Jan 2020 00:25:52 +0000
From:   Shinichiro Kawasaki <shinichiro.kawasaki@....com>
To:     Chao Yu <yuchao0@...wei.com>
CC:     Yuehaibing <yuehaibing@...wei.com>,
        "jaegeuk@...nel.org" <jaegeuk@...nel.org>,
        "chao@...nel.org" <chao@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-f2fs-devel@...ts.sourceforge.net" 
        <linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [f2fs-dev] [PATCH -next] f2fs: remove set but not used variable
 'cs_block'

On Jan 15, 2020 / 17:54, Chao Yu wrote:
> On 2020/1/15 10:33, Shinichiro Kawasaki wrote:
> > On Dec 26, 2019 / 17:24, Shin'ichiro Kawasaki wrote:
> >> On Dec 26, 2019 / 14:05, Yuehaibing wrote:
> >>> On 2019/12/26 11:44, Chao Yu wrote:
> >>>> On 2019/12/24 20:43, YueHaibing wrote:
> >>>>> fs/f2fs/segment.c: In function fix_curseg_write_pointer:
> >>>>> fs/f2fs/segment.c:4485:35: warning: variable cs_block set but not used [-Wunused-but-set-variable]
> >>>>>
> >>>>> It is never used since commit 362d8a920384 ("f2fs: Check
> >>>>> write pointer consistency of open zones") , so remove it.
> >>>>
> >>>> Thanks for the fix!
> >>>>
> >>>> Do you mind merging this patch to original patch? as it's still
> >>>> pending in dev branch.
> >>>
> >>> It's ok for me.
> >>>
> >>
> >> Thank you for this catch and the fix. Appreciated.
> > 
> > I have merged YueHaibing's change to the write pointer consistency fix patch
> > and sent out as the v6 series. Thanks again for finding out the unused variable.
> > 
> > I was not sure if I should add Chao Yu's reviewed by tag to the patch from which
> > the unused variable was removed. To be strict, I didn't add the tag. Just
> > another quick review by Chao will be appreciated.
> 
> Thanks for the revision. :)
> 
> I guess Jaegeuk can merge that kind of fix into original patch, and
> meanwhile keeping old Reviewed-by tag in that patch.

Yeah, my action looks too much for this fix. I saw the fix merged to the commit
in Jaegeuk's dev branch. Thank you Jaeguek.

--
Best Regards,
Shin'ichiro Kawasaki