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Re: REVIEW: Change mkfs.xfs to set primary superblock inodes in ALL seco

To: Barry Naujok <bnaujok@xxxxxxx>
Subject: Re: REVIEW: Change mkfs.xfs to set primary superblock inodes in ALL secondaries
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 3 Sep 2008 08:19:56 -0400
Cc: "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
In-reply-to: <op.ugv794p63jf8g2@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <op.ugv794p63jf8g2@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Wed, Sep 03, 2008 at 04:57:30PM +1000, Barry Naujok wrote:
> One peculiarity of mkfs.xfs that no-one has yet been able to explain
> to me is that all the secondary superblocks do not contain the
> primary superblock's root inode, realtime inodes and quota inodes.
>
> The root inode is stored in the middle and last AG as well to
> make things more unexpected.
>
> The following makes all the secondaries the same as the primary
> (other than the global counters).

Looks good to me, but I'd really love to know the original reason behind
it, too..

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