Re: [PATCH] f2fs: fix to check return value of f2fs_allocate_new_section

From: Zhiguo Niu
Date: Mon May 20 2024 - 20:57:04 EST


On Tue, May 21, 2024 at 3:52 AM Jaegeuk Kim <jaegeuk@xxxxxxxxxx> 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@xxxxxxxxxx>
> > ---
> > 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