linux-kernel - Re: [f2fs-dev] [PATCH 1/2] f2fs: check only data or node for summary

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Date:	Wed, 6 Jul 2016 10:50:05 -0700
From:	Jaegeuk Kim <jaegeuk@...nel.org>
To:	He YunLei <heyunlei@...wei.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	Bintian <bintian.wang@...wei.com>
Subject: Re: [f2fs-dev] [PATCH 1/2] f2fs: check only data or node for summary

On Wed, Jul 06, 2016 at 12:09:12PM +0800, He YunLei wrote:
> On 2016/6/11 5:01, Jaegeuk Kim wrote:
> > We can check data or node types only for gc, since we allocate different type of
> > data/node blocks in a different logs occasionally.
> > 
> > Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
> > ---
> >   fs/f2fs/gc.c | 3 ++-
> >   1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> > index e1d274c..c2c4ac3 100644
> > --- a/fs/f2fs/gc.c
> > +++ b/fs/f2fs/gc.c
> > @@ -806,7 +806,8 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
> >   		f2fs_put_page(sum_page, 0);
> > 
> >   		sum = page_address(sum_page);
> > -		f2fs_bug_on(sbi, type != GET_SUM_TYPE((&sum->footer)));
> > +		f2fs_bug_on(sbi, IS_DATASEG(type) !=
> > +				IS_DATASEG(GET_SUM_TYPE((&sum->footer))));
> 
> Hi, Kim
> 	type has been transformed into SUM_TYPE_DATA or SUM_TYPE_NODE, so here
> no need to do this.

Oops, right. :)

Thanks,