linux-kernel - Re: [PATCH] f2fs: fix to check return value of f2fs_allocate_new

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Date: Tue, 21 May 2024 08:56:44 +0800
From: Zhiguo Niu <niuzhiguo84@...il.com>
To: Jaegeuk Kim <jaegeuk@...nel.org>
Cc: Zhiguo Niu <zhiguo.niu@...soc.com>, chao@...nel.org, 
	linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org, 
	ke.wang@...soc.com, Hao_hao.Wang@...soc.com
Subject: Re: [PATCH] f2fs: fix to check return value of f2fs_allocate_new_section

On Tue, May 21, 2024 at 3:52 AM Jaegeuk Kim <jaegeuk@...nel.org> wrote:
>
> On 05/17, Zhiguo Niu wrote:
> > commit 245930617c9b ("f2fs: fix to handle error paths of {new,change}_curseg()")
> > missed this allocated path, fix it.
> >
> > Signed-off-by: Zhiguo Niu <zhiguo.niu@...soc.com>
> > ---
> >  fs/f2fs/segment.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> > index a0ce3d0..71dc8042 100644
> > --- a/fs/f2fs/segment.c
> > +++ b/fs/f2fs/segment.c
> > @@ -5190,7 +5190,9 @@ static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type)
> >       if (cs->next_blkoff) {
> >               unsigned int old_segno = cs->segno, old_blkoff = cs->next_blkoff;
> >
> > -             f2fs_allocate_new_section(sbi, type, true);
> > +             err = f2fs_allocate_new_section(sbi, type, true);
> > +             if (err)
> > +                     return err;
>
> I hesitate to apply this, since this may give mount failures forever. Do you see
> a real issue with this?
Hi Jaegeuk,
No I did not have a real issue related to this, just found it by code review.
it is ok not to apply this for me .
thanks a lot.
>
> >               f2fs_notice(sbi, "Assign new section to curseg[%d]: "
> >                               "[0x%x,0x%x] -> [0x%x,0x%x]",
> >                               type, old_segno, old_blkoff,
> > --
> > 1.9.1