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

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Date:   Wed, 15 Jan 2020 13:44:40 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Shinichiro Kawasaki <shinichiro.kawasaki@....com>
Cc:     Yuehaibing <yuehaibing@...wei.com>, Chao Yu <yuchao0@...wei.com>,
        "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 01/15, 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 applied the fix in the original patch.

Thanks,

> 
> 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.
> 
> --
> Best Regards,
> Shin'ichiro Kawasaki