linux-ext4 - Re: [RFC] ext4_bmap() may return blocks outside filesystem

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Message-ID: <87f94c370902051401s6d73d810s720f187c134f0b1e@mail.gmail.com>
Date:	Thu, 5 Feb 2009 17:01:01 -0500
From:	Greg Freemyer <greg.freemyer@...il.com>
To:	Theodore Tso <tytso@....edu>
Cc:	Ric Wheeler <rwheeler@...hat.com>,
	Thiemo Nagel <thiemo.nagel@...tum.de>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [RFC] ext4_bmap() may return blocks outside filesystem

On Thu, Feb 5, 2009 at 11:48 AM, Theodore Tso <tytso@....edu> wrote:
> On Thu, Feb 05, 2009 at 10:39:59AM -0500, Ric Wheeler wrote:
>> Greg Freemyer wrote:
>>> This is just a rant, and I doubt anyone can do anything about it, but
>>> it is still worth reading imho.
>
> It also has absolutely nothing to do with the original thread, which
> was block numbers which are far outside the range of valid block
> numbers given the size of the block device.  :-)
>

The subject was "return blocks outside filesystem".

In a thin-provisioning environment I'd argue that unmapped sectors are
"outside the filesystem". :)

Unfortunately, I can't get anyone else to see the world from my
apparently unique perspective. :(
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