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Message-ID: <CACOAw_weaNhBUpeR9xnkPYQCu6RO-AkUZeJGJYh9tokdUtATKg@mail.gmail.com>
Date: Wed, 4 Oct 2023 17:04:07 -0700
From: Daeho Jeong <daeho43@...il.com>
To: Jaegeuk Kim <jaegeuk@...nel.org>
Cc: linux-kernel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net, kernel-team@...roid.com,
Daeho Jeong <daehojeong@...gle.com>
Subject: Re: [PATCH] f2fs-tools: use proper address entry count for direct nodes
On Wed, Oct 4, 2023 at 4:55 PM Jaegeuk Kim <jaegeuk@...nel.org> wrote:
>
> On 10/04, Daeho Jeong wrote:
> > On Wed, Oct 4, 2023 at 4:26 PM Jaegeuk Kim <jaegeuk@...nel.org> wrote:
> > >
> > > On 10/03, Daeho Jeong wrote:
> > > > From: Daeho Jeong <daehojeong@...gle.com>
> > > >
> > > > For direct nodes, we have to use DEF_ADDRS_PER_BLOCK.
> > > >
> > > > Signed-off-by: Daeho Jeong <daehojeong@...gle.com>
> > > > ---
> > > > fsck/fsck.c | 2 +-
> > > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/fsck/fsck.c b/fsck/fsck.c
> > > > index 78ffdb6..56a7d31 100644
> > > > --- a/fsck/fsck.c
> > > > +++ b/fsck/fsck.c
> > > > @@ -2894,7 +2894,7 @@ static void fsck_failed_reconnect_file_dnode(struct f2fs_sb_info *sbi,
> > > > fsck->chk.valid_blk_cnt--;
> > > > f2fs_clear_main_bitmap(sbi, ni.blk_addr);
> > > >
> > > > - for (i = 0; i < ADDRS_PER_BLOCK(&node->i); i++) {
> > > > + for (i = 0; i < DEF_ADDRS_PER_BLOCK; i++) {
> > >
> > > It seems we need to use the inode block passing by fsck_failed_reconnect_file().
> >
> > This function is for direct nodes. Is it correct to use inode block here?
>
> 523 unsigned int addrs_per_block(struct f2fs_inode *i)
> 524 {
> 525 if (!LINUX_S_ISREG(le16_to_cpu(i->i_mode)) ||
> 526 !(le32_to_cpu(i->i_flags) & F2FS_COMPR_FL))
> 527 return DEF_ADDRS_PER_BLOCK;
> 528 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, 1 << i->i_log_cluster_size);
> 529 }
>
> If the inode is compressed, it seems it has to be aligned to cluster size.
makes sense. Thanks~!
>
> >
> > >
> > > > addr = le32_to_cpu(node->dn.addr[i]);
> > > > if (!addr)
> > > > continue;
> > >
> > > 3012 fsck->chk.valid_blk_cnt--;
> > > 3013 if (addr == NEW_ADDR)
> > >
> > > And, we also need to skip if addr == COMPRESS_ADDR here?
> > >
> > > 3014 continue;
> > > 3015 f2fs_clear_main_bitmap(sbi, addr);
> > > 3016 }
> > >
> > > > --
> > > > 2.42.0.582.g8ccd20d70d-goog
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