linux-ext4 - Re: [PATCH 2/3] mke2fs: skip zeroing journal blocks

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Date:	Sat, 11 Jun 2011 12:21:40 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Andreas Dilger <adilger@...mcloud.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 2/3] mke2fs: skip zeroing journal blocks

On Fri, Jun 10, 2011 at 04:00:18AM -0600, Andreas Dilger wrote:
> Add the ability to skip zeroing journal blocks on disk.  This can
> significantly speed up mke2fs with large journals.  At worst the
> uninitialized journal is only a very short-term risk (if at all),
> because the journal will be overwritten on any new filesystem as
> soon as any significant amount of data is written to disk, and
> the new journal TID would need to match the offset/TID of an old
> commit block still left on disk.
> 
> Signed-off-by: Andreas Dilger <adilger@...mcloud.com>

Added to the next branch, thanks.

						- Ted
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