linux-ext4 - Re: [PATCH V2] reject too-large filesystems on 32-bit kernels

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Message-ID: <20090818034724.GA27339@mit.edu>
Date:	Mon, 17 Aug 2009 23:47:24 -0400
From:	Theodore Tso <tytso@....edu>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH V2] reject too-large filesystems on 32-bit kernels

On Wed, Aug 12, 2009 at 05:30:23PM -0500, Eric Sandeen wrote:
> ext4 will happily mount a > 16T filesystem on a 32-bit box, but
> this is not safe; writes to the block device will wrap past 16T
> and the page cache can't index past 16T (232 index * 4k pages).

Applied in the ext4 patch queue, with minor changes to take into
account the use of ext4_msg().

					- Ted
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