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Date: Fri, 22 Jun 2018 15:10:34 -0600
From: Andreas Dilger <adilger@...ger.ca>
To: "Theodore Y. Ts'o" <tytso@....edu>
Cc: linux-ext4@...r.kernel.org
Subject: Re: [PATCH 05/10] ext2fs: annotate superblock/inode offsets
> On Jun 22, 2018, at 10:58 AM, Theodore Y. Ts'o <tytso@....edu> wrote:
>
> On Tue, May 01, 2018 at 10:26:01PM -0600, Andreas Dilger wrote:
>> Add byte offsets for the fields in ext2_super_block and ext2_inode
>> for convenience when debugging on-disk structures.
>>
>> Signed-off-by: Andreas Dilger <adilger@...ger.ca>
>
> Thanks, applied. By the way, the way I'pve normally get the byte
> offsets for the superblock is to use ./lib/ext2fs/tst_super_size.
>
> At the moment tst_super_size prints the offsets in decimal, and your
> patch adds offsets in hex. Right now, debugfs's hexdump and idump
> commands prints its offsets in octal, because of the precedence of od.
>
> What do people think? Should we standardize on some base in how we
> display and print offsets and hexdumps?
I used hex offsets mainly because they are more compact, and make it
more clear when a 64-bit field is properly aligned on a 64-bit boundary.
Cheers, Andreas
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