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Date:   Tue, 11 Feb 2020 18:09:20 -0700
From:   Andreas Dilger <>
To:     Ted Tso <>
Cc:     linux-ext4 <>
Subject: Re: [PATCH] misc: handle very large files with filefrag

On Feb 11, 2020, at 5:58 PM, Andreas Dilger <> wrote:
> Avoid overflowing the column-width calc printing files over 4B blocks.
> Document the [KMG] suffixes for the "-b <blocksize>" option.
> The blocksize is limited to at most 1GiB blocksize to avoid shifting
> all extents down to zero GB in size.  Even the use of 1GB blocksize
> is unlikely, but non-ext4 filesystems may use multi-GB extents.
> Signed-off-by: Andreas Dilger <>
> Lustre-bug-id:

this one was a repeat.  I actually meant to actually send the other patch
"e2fsck: avoid overflow with very large dirs", which was accidentally
dropped from my previous patch series.

Cheers, Andreas

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