diff mbox series

[f2fs-dev] fsck.f2fs: don't call dev_fill w/ null buffer

Message ID 20240808233248.323318-1-jaegeuk@kernel.org (mailing list archive)
State New
Headers show
Series [f2fs-dev] fsck.f2fs: don't call dev_fill w/ null buffer | expand

Commit Message

Jaegeuk Kim Aug. 8, 2024, 11:32 p.m. UTC
It'll crach fsck.f2fs. Even, let's keep the write pointers and just finish it.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fsck/fsck.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

Comments

Daeho Jeong Aug. 12, 2024, 6:41 p.m. UTC | #1
On Thu, Aug 8, 2024 at 4:34 PM Jaegeuk Kim <jaegeuk@kernel.org> wrote:
>
> It'll crach fsck.f2fs. Even, let's keep the write pointers and just finish it.
>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fsck/fsck.c | 20 ++++++++------------
>  1 file changed, 8 insertions(+), 12 deletions(-)
>
> diff --git a/fsck/fsck.c b/fsck/fsck.c
> index a18bee9d0c3b..5fe8ad4ef327 100644
> --- a/fsck/fsck.c
> +++ b/fsck/fsck.c
> @@ -3299,8 +3299,9 @@ static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
>                                         "segment 0x%x", zone_segno);
>                                 ret = f2fs_reset_zone(wpd->dev_index, blkz);
>                                 if (ret) {
> -                                       printf("[FSCK] Write pointer reset "
> -                                              "failed: %s\n", dev->path);
> +                                       ASSERT_MSG("Write pointer reset "
> +                                              "failed: %s, err=%d\n",
> +                                              dev->path, ret);
>                                         return ret;
>                                 }
>                                 fsck->chk.wp_fixed = 1;
> @@ -3326,18 +3327,13 @@ static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
>
>         ret = f2fs_finish_zone(wpd->dev_index, blkz);
>         if (ret) {
> -               u64 fill_sects = blk_zone_length(blkz) -
> -                       (blk_zone_wp_sector(blkz) - blk_zone_sector(blkz));
> -               printf("[FSCK] Finishing zone failed: %s\n", dev->path);
> -               ret = dev_fill(NULL, wp_block * F2FS_BLKSIZE,
> -                       (fill_sects >> log_sectors_per_block) * F2FS_BLKSIZE);

This was for zoned devices that don't support the FINISH command. If
NULL buf is the problem, how about using zero value filled buffer?

> -               if (ret)
> -                       printf("[FSCK] Fill up zone failed: %s\n", dev->path);
> +               ASSERT_MSG("Finishing zone failed: %s, err=%d\n",
> +                       dev->path, ret);
> +               return ret;
>         }
>
> -       if (!ret)
> -               fsck->chk.wp_fixed = 1;
> -       return ret;
> +       fsck->chk.wp_fixed = 1;
> +       return 0;
>  }
>
>  static void fix_wp_sit_alignment(struct f2fs_sb_info *sbi)
> --
> 2.46.0.76.ge559c4bf1a-goog
>
>
>
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
Jaegeuk Kim Aug. 12, 2024, 7:56 p.m. UTC | #2
On 08/12, Daeho Jeong wrote:
> On Thu, Aug 8, 2024 at 4:34 PM Jaegeuk Kim <jaegeuk@kernel.org> wrote:
> >
> > It'll crach fsck.f2fs. Even, let's keep the write pointers and just finish it.
> >
> > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> > ---
> >  fsck/fsck.c | 20 ++++++++------------
> >  1 file changed, 8 insertions(+), 12 deletions(-)
> >
> > diff --git a/fsck/fsck.c b/fsck/fsck.c
> > index a18bee9d0c3b..5fe8ad4ef327 100644
> > --- a/fsck/fsck.c
> > +++ b/fsck/fsck.c
> > @@ -3299,8 +3299,9 @@ static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
> >                                         "segment 0x%x", zone_segno);
> >                                 ret = f2fs_reset_zone(wpd->dev_index, blkz);
> >                                 if (ret) {
> > -                                       printf("[FSCK] Write pointer reset "
> > -                                              "failed: %s\n", dev->path);
> > +                                       ASSERT_MSG("Write pointer reset "
> > +                                              "failed: %s, err=%d\n",
> > +                                              dev->path, ret);
> >                                         return ret;
> >                                 }
> >                                 fsck->chk.wp_fixed = 1;
> > @@ -3326,18 +3327,13 @@ static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
> >
> >         ret = f2fs_finish_zone(wpd->dev_index, blkz);
> >         if (ret) {
> > -               u64 fill_sects = blk_zone_length(blkz) -
> > -                       (blk_zone_wp_sector(blkz) - blk_zone_sector(blkz));
> > -               printf("[FSCK] Finishing zone failed: %s\n", dev->path);
> > -               ret = dev_fill(NULL, wp_block * F2FS_BLKSIZE,
> > -                       (fill_sects >> log_sectors_per_block) * F2FS_BLKSIZE);
> 
> This was for zoned devices that don't support the FINISH command. If
> NULL buf is the problem, how about using zero value filled buffer?

Do we really need to fill them, if it'll be reset later before use?

> 
> > -               if (ret)
> > -                       printf("[FSCK] Fill up zone failed: %s\n", dev->path);
> > +               ASSERT_MSG("Finishing zone failed: %s, err=%d\n",
> > +                       dev->path, ret);
> > +               return ret;
> >         }
> >
> > -       if (!ret)
> > -               fsck->chk.wp_fixed = 1;
> > -       return ret;
> > +       fsck->chk.wp_fixed = 1;
> > +       return 0;
> >  }
> >
> >  static void fix_wp_sit_alignment(struct f2fs_sb_info *sbi)
> > --
> > 2.46.0.76.ge559c4bf1a-goog
> >
> >
> >
> > _______________________________________________
> > Linux-f2fs-devel mailing list
> > Linux-f2fs-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
Daeho Jeong Aug. 13, 2024, 5:36 p.m. UTC | #3
On Mon, Aug 12, 2024 at 12:56 PM Jaegeuk Kim <jaegeuk@kernel.org> wrote:
>
> On 08/12, Daeho Jeong wrote:
> > On Thu, Aug 8, 2024 at 4:34 PM Jaegeuk Kim <jaegeuk@kernel.org> wrote:
> > >
> > > It'll crach fsck.f2fs. Even, let's keep the write pointers and just finish it.
> > >
> > > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> > > ---
> > >  fsck/fsck.c | 20 ++++++++------------
> > >  1 file changed, 8 insertions(+), 12 deletions(-)
> > >
> > > diff --git a/fsck/fsck.c b/fsck/fsck.c
> > > index a18bee9d0c3b..5fe8ad4ef327 100644
> > > --- a/fsck/fsck.c
> > > +++ b/fsck/fsck.c
> > > @@ -3299,8 +3299,9 @@ static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
> > >                                         "segment 0x%x", zone_segno);
> > >                                 ret = f2fs_reset_zone(wpd->dev_index, blkz);
> > >                                 if (ret) {
> > > -                                       printf("[FSCK] Write pointer reset "
> > > -                                              "failed: %s\n", dev->path);
> > > +                                       ASSERT_MSG("Write pointer reset "
> > > +                                              "failed: %s, err=%d\n",
> > > +                                              dev->path, ret);
> > >                                         return ret;
> > >                                 }
> > >                                 fsck->chk.wp_fixed = 1;
> > > @@ -3326,18 +3327,13 @@ static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
> > >
> > >         ret = f2fs_finish_zone(wpd->dev_index, blkz);
> > >         if (ret) {
> > > -               u64 fill_sects = blk_zone_length(blkz) -
> > > -                       (blk_zone_wp_sector(blkz) - blk_zone_sector(blkz));
> > > -               printf("[FSCK] Finishing zone failed: %s\n", dev->path);
> > > -               ret = dev_fill(NULL, wp_block * F2FS_BLKSIZE,
> > > -                       (fill_sects >> log_sectors_per_block) * F2FS_BLKSIZE);
> >
> > This was for zoned devices that don't support the FINISH command. If
> > NULL buf is the problem, how about using zero value filled buffer?
>
> Do we really need to fill them, if it'll be reset later before use?

That's for devices not supporting the FINISH command. Let me make
another patch for it.

>
> >
> > > -               if (ret)
> > > -                       printf("[FSCK] Fill up zone failed: %s\n", dev->path);
> > > +               ASSERT_MSG("Finishing zone failed: %s, err=%d\n",
> > > +                       dev->path, ret);
> > > +               return ret;
> > >         }
> > >
> > > -       if (!ret)
> > > -               fsck->chk.wp_fixed = 1;
> > > -       return ret;
> > > +       fsck->chk.wp_fixed = 1;
> > > +       return 0;
> > >  }
> > >
> > >  static void fix_wp_sit_alignment(struct f2fs_sb_info *sbi)
> > > --
> > > 2.46.0.76.ge559c4bf1a-goog
> > >
> > >
> > >
> > > _______________________________________________
> > > Linux-f2fs-devel mailing list
> > > Linux-f2fs-devel@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
Chao Yu Aug. 14, 2024, 10:07 a.m. UTC | #4
On 2024/8/9 7:32, Jaegeuk Kim wrote:
> It'll crach fsck.f2fs. Even, let's keep the write pointers and just finish it.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,
diff mbox series

Patch

diff --git a/fsck/fsck.c b/fsck/fsck.c
index a18bee9d0c3b..5fe8ad4ef327 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -3299,8 +3299,9 @@  static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
 					"segment 0x%x", zone_segno);
 				ret = f2fs_reset_zone(wpd->dev_index, blkz);
 				if (ret) {
-					printf("[FSCK] Write pointer reset "
-					       "failed: %s\n", dev->path);
+					ASSERT_MSG("Write pointer reset "
+					       "failed: %s, err=%d\n",
+					       dev->path, ret);
 					return ret;
 				}
 				fsck->chk.wp_fixed = 1;
@@ -3326,18 +3327,13 @@  static int chk_and_fix_wp_with_sit(int UNUSED(i), void *blkzone, void *opaque)
 
 	ret = f2fs_finish_zone(wpd->dev_index, blkz);
 	if (ret) {
-		u64 fill_sects = blk_zone_length(blkz) -
-			(blk_zone_wp_sector(blkz) - blk_zone_sector(blkz));
-		printf("[FSCK] Finishing zone failed: %s\n", dev->path);
-		ret = dev_fill(NULL, wp_block * F2FS_BLKSIZE,
-			(fill_sects >> log_sectors_per_block) * F2FS_BLKSIZE);
-		if (ret)
-			printf("[FSCK] Fill up zone failed: %s\n", dev->path);
+		ASSERT_MSG("Finishing zone failed: %s, err=%d\n",
+			dev->path, ret);
+		return ret;
 	}
 
-	if (!ret)
-		fsck->chk.wp_fixed = 1;
-	return ret;
+	fsck->chk.wp_fixed = 1;
+	return 0;
 }
 
 static void fix_wp_sit_alignment(struct f2fs_sb_info *sbi)