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List:       linux-ext4
Subject:    Re: First stab at ea inode disk format doc updates
From:       Andreas Dilger <adilger () dilger ! ca>
Date:       2017-06-29 23:50:04
Message-ID: E25342D9-DF52-460C-9260-7EF7D19A7774 () dilger ! ca
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On Jun 22, 2017, at 12:18 PM, Darrick J. Wong <darrick.wong@oracle.com> wrote:
> 
> I've taken a first stab at capturing the on-disk format updates for ea
> inodes.  Let me know about any inaccuracies (though being a wiki, you
> can fix them yourself if you're so inclined).
> 
> Also -- what is the value of i_mtime (ea inode parent pointer) when the
> refcount > 1?

Thanks for the update Darrick.  I clarified that i_mtime/i_generation is
only for refcount == 1.  I don't know if the current code will clear these
values if refcount > 1 or not, or if they are just unused in that case?

> [1] https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout


Cheers, Andreas






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