linux-ext4 - barriers off by default?

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Message-ID: <482868A5.1000102@redhat.com>
Date:	Mon, 12 May 2008 10:56:21 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	ext4 development <linux-ext4@...r.kernel.org>
Subject: barriers off by default?

As I look at my shiny new 500G disks with 32MB of cache, I find myself
wondering why the default for ext3 and ext4 is to have barriers disabled.

This is a pretty dangerous default w.r.t. filesystem integrity on power
loss, no?

Thanks,

-Eric
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