Hi Chao,

On Wed, Apr 9, 2025 at 10:52 PM Chao Yu <c...@kernel.org> wrote:
>
> On 4/6/25 16:30, Juhyung Park wrote:
> > Hi all,
> >
> > I also encountered something similar a while back with resizing but
> > didn't report it and just manually migrated the files.
>
> Hi Juhyung,
>
> Did you develop an individual tool to migrate specified inode to target
> block address?

Nope. And neither did @uplinkr use any custom tools to mess around the
f2fs partition.

>
> > I assisted him to ensure using the latest kernel/f2fs-tools, but his
> > metadata seems pretty bad right now and I suggested him to ask the
> > mailing list directly.
>
> I checked the log, I guess it actually seems pretty bad... I guess we
> need to find out those file which has not been migrated correctly, and
> try to correct them, may be w/ a new tool.

Yeah, having fsck.f2fs segfault mid-way post resize won't help either.

>
> To Jaegeuk, any thoughts about this problem?
>
> >
> > The URL there should be https://arter97.com/.f2fs-20250406/fsck.log ,
> > a little typo there.
>
> Thanks, I didn't notice this previously.
>
> >
> > Can we have some sort of CI/automated testing for the resizing as well?
>
> Agreed, will work on some testcases for resize.f2fs when I get some free
> slots.

Should we mark this experimental for the time being?

Thanks.

>
> Thanks,
>
> >
> > Thanks.
> >
> > On Sun, Apr 6, 2025 at 1:26 AM uplinkr--- via Linux-f2fs-devel
> > <linux-f2fs-devel@lists.sourceforge.net> wrote:
> >>
> >> Hello everyone,
> >>
> >> I am having trouble with F2FS. Specifically, I believe metadata got
> >> corrupted when I resized it. I have a 512 GB drive. My F2FS partition
> >> was approximately located on 369-497 GB (128 GB size). Using GParted, I
> >> resized it to 0.5-497 GB. While the partition resizing went through
> >> successfully, filesystem resizing initially failed with "Mount unclean
> >> image to replay log". I have done that and retried resizing.
> >>
> >> Afterwards, however, fsck started giving out a lot of errors, at one
> >> point it asked if I wished to restore lost data, which I agreed to. Logs
> >> specified a lot of my files (which I could tell by filenames) and
> >> mid-way through the process, it segfaulted. Now, when I run fsck, no
> >> files are asked to be restored, and it completes successfully. However,
> >> when I attempt to mount it, I get an error saying "Structure needs
> >> cleaning".
> >>
> >> Could someone help me restore my metadata (at least, long enough to
> >> extract my files)? Thanks.
> >>
> >> dmesg logs:
> >>
> >> [   96.184127] F2FS-fs (nvme0n1p5): Mismatch valid blocks 769 vs. 68
> >> [   96.188050] F2FS-fs (nvme0n1p5): Failed to initialize F2FS segment
> >> manager (-117)
> >>
> >> fsck.f2fs --dry-run -d 3 logs: https://arter.com/.f2fs-20250406/fsck.log
> >>
> >>
> >> _______________________________________________
> >> Linux-f2fs-devel mailing list
> >> Linux-f2fs-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
> >
> >
> > _______________________________________________
> > Linux-f2fs-devel mailing list
> > Linux-f2fs-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
>


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