linux-ext4 - Re: [PATCH] mke2fs: use lazy inode init on some discard-able devices

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Date:	Tue, 21 Sep 2010 11:01:47 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Andreas Dilger <adilger@...ger.ca>
CC:	"Ted Ts'o" <tytso@....edu>,
	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] mke2fs: use lazy inode init on some discard-able devices

On 09/21/2010 12:15 AM, Andreas Dilger wrote:
> 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.

Hm good point.  Might be in my ext4 folder somewhere ;)

-Eric

> Cheers, Andreas

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