linux-ext4 - Re: [PATCH] resize2fs: Calculate s_first_data

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Message-ID: <20120215234147.GD20023@thunk.org>
Date:	Wed, 15 Feb 2012 18:41:47 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] resize2fs: Calculate s_first_data_block into minimum
 filesystem size

On Thu, Dec 08, 2011 at 03:09:09PM +0100, Jan Kara wrote:
> calculate_minimum_resize_size() forgot to account s_first_data_block
> into minimum filesystem size. Thus in case the size of filesystem was
> such that the last group had the minimal size (50 blocks + metadata
> overhead), the code in adjust_fs_info() decided the group is unneeded,
> removed it, and in some cases the resizing then failed with ENOSPC.
> 
> Fix the issue by properly accounting for s_first_data_block in
> calculate_minimum_resize_size().
> 
> Signed-off-by: Jan Kara <jack@...e.cz>

Thanks, applied.

						- Ted
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