From: Ted Ts'o <tytso@mit.edu>
To: Andreas Dilger <adilger@whamcloud.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH 2/3] mke2fs: skip zeroing journal blocks
Date: Sat, 11 Jun 2011 12:21:40 -0400 [thread overview]
Message-ID: <20110611162139.GL11207@thunk.org> (raw)
In-Reply-To: <1307700019-4551-2-git-send-email-adilger@whamcloud.com>
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@whamcloud.com>
Added to the next branch, thanks.
- Ted
next prev parent reply other threads:[~2011-06-11 16:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-10 10:00 [PATCH 1/3] ext2fs: Handle internal journal over 2^32 bytes Andreas Dilger
2011-06-10 10:00 ` [PATCH 2/3] mke2fs: skip zeroing journal blocks Andreas Dilger
2011-06-11 16:21 ` Ted Ts'o [this message]
2011-06-10 10:00 ` [PATCH 3/3] mke2fs: add test for large journal with lazy init Andreas Dilger
2011-06-11 16:21 ` Ted Ts'o
2011-06-11 16:21 ` [PATCH 1/3] ext2fs: Handle internal journal over 2^32 bytes Ted Ts'o
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