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Date:	Sat, 24 Oct 2015 00:37:39 -0400
From:	Theodore Ts'o <>
To:	"Darrick J. Wong" <>
Cc:, Dave Chinner <>
Subject: Re: [PATCH 01/12] libext2fs: fix maximum bg overhead calculation
 with meta_bg enabled

On Mon, Oct 12, 2015 at 02:56:35PM -0700, Darrick J. Wong wrote:
> When meta_bg is enabled at mkfs time, we put at most one group
> descriptor block in each blockgroup.  Unfortunately, the calculation
> of max overhead per bg doesn't know this, so mkfs fails when it isn't
> strictly necessary.  Fix it, since Dave reported that he couldn't
> create a 500TB ext4 filesystem.
> Reported-by: Dave Chinner <>
> Signed-off-by: Darrick J. Wong <>

Applied, thanks.

					- Ted
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