linux-ext4 - Re: [PATCH V3] mke2fs: prevent creation of filesystem with unsupported revision

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Message-ID: <20140704193206.GC11103@thunk.org>
Date:	Fri, 4 Jul 2014 15:32:06 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	ext4 development <linux-ext4@...r.kernel.org>,
	Frank Sorenson <fsorenso@...hat.com>
Subject: Re: [PATCH V3] mke2fs: prevent creation of filesystem with
 unsupported revision

On Thu, May 01, 2014 at 05:35:00PM -0500, Eric Sandeen wrote:
> From: Frank Sorenson <fsorenso@...hat.com>
> 
> It's a bit strange to accept revision levels higher than
> the code creating the filesystem can understand, so don't
> allow it.
> 
> At least the kernel will mount the fs readonly if it's too
> high, but no other utility will touch it, so you can't
> fix the error.
> 
> Just reject anything > EXT2_MAX_SUPP_REV at mkfs time.
> 
> Signed-off-by: Frank Sorenson <fsorenso@...hat.com>
> [sandeen@...hat.com: Add more verbose commit log]
> Signed-off-by: Eric Sandeen <sandeen@...hat.com>

Thanks, applied.

					- Ted
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