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Re: [Patch] unique per-AG inode generation number initialisation

To: David Chinner <dgc@xxxxxxx>
Subject: Re: [Patch] unique per-AG inode generation number initialisation
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 7 Apr 2008 08:57:38 -0400
Cc: xfs-dev <xfs-dev@xxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <20080401231815.GW103491721@xxxxxxx>
References: <20080401231815.GW103491721@xxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.17 (2007-11-01)
I don't really like this.  The chance to hit a previously used
generation seems to high.  What about making the first few bits
of each generation number a per-ag counter that's incremented anytime
we deallocate an inode cluster?


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