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From:   Andreas Dilger <adilger@dilger.ca>
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Subject: Re: bug with large_dir in 5.12.17
Date:   Tue, 27 Jul 2021 00:22:10 -0600
In-Reply-To: <YPl/boTCfc3rlJLU@fisica.ufpr.br>
Cc:     linux-ext4@vger.kernel.org
To:     Carlos Carvalho <carlos@fisica.ufpr.br>
References: <YPl/boTCfc3rlJLU@fisica.ufpr.br>
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On Jul 22, 2021, at 8:23 AM, Carlos Carvalho <carlos@fisica.ufpr.br> =
wrote:
>=20
> There is a bug when enabling large_dir in 5.12.17. I got this during a =
backup:
>=20
> index full, reach max htree level :2
> Large directory feature is not enabled on this filesystem
>=20
> So I unmounted, ran tune2fs -O large_dir /dev/device and mounted =
again. However
> this error appeared:
>=20
> dx_probe:864: inode #576594294: block 144245: comm rsync: directory =
leaf block found instead of index block
>=20
> I unmounted, ran fsck and it "salvaged" a bunch of directories. =
However at the
> next backup run the same errors appeared again.
>=20
> This is with vanilla 5.2.17.

Hi Carlos,
are you able to reproduce this error on a new directory that did not hit
the 2-level htree limit before enabling large_dir, or did you only see =
this
with directories that hit the 2-level htree limit before the update?
Did you test on any newer kernels than 5.2.17?

Cheers, Andreas


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