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Date:	Mon, 20 Sep 2010 23:15:59 -0600
From:	Andreas Dilger <>
To:	Ted Ts'o <>
Cc:	Eric Sandeen <>,
	ext4 development <>
Subject: Re: [PATCH] mke2fs: use lazy inode init on some discard-able devices

On Fri, Aug 20, 2010 at 04:41:14PM -0500, Eric Sandeen wrote:
> If a device supports discard -and- returns 0s for discarded blocks,
> then we can skip the inode table initialization -and- the inode table
> zeroing at mkfs time, and skip the lazy init as well since they are
> already zeroed out.

Eric, do you have my patch for skipping the journal zeroing?  If you are already skipping the inode table zeroing (which is my bigger of a deal) then you may as well skip zeroing the journal at the same time.

Cheers, Andreas

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