Re: [PATCH 05/10] ext2fs: annotate superblock/inode offsets

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> On Jun 22, 2018, at 10:58 AM, Theodore Y. Ts'o <tytso@xxxxxxx> 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@xxxxxxxxx>
> 
> 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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