linux-ext4 - Re: [PATCH 1/4] large-fs: fix large

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Message-ID: <20130711005454.GT3438@dastard>
Date:	Thu, 11 Jul 2013 10:54:54 +1000
From:	Dave Chinner <david@...morbit.com>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	xfs@....sgi.com, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, dchinner@...hat.com
Subject: Re: [PATCH 1/4] large-fs: fix large_fs space detection

On Tue, Jul 09, 2013 at 03:05:15PM +0400, Dmitry Monakhov wrote:
> Currenly large_fs check compare $SCRATCH_DEV_EMPTY_SPACE and $fs_size
> which is not correct because total empty size required is $SCRATCH_DEV_EMPTY_SPACE + 50Gb
> This path fix space detection, so check becomes valid for all situations.

I'm not sure what problem you're fixing from this description?

It's takenme a few minutes to work out that:

"If SCRATCH_DEV_EMPTY_SPACE + 50GB is larger than the filesystem
size being tested, then the configuration being tested is invalid
and should fail. Currently we only check that
SCRATCH_DEV_EMPTY_SPACE is greater than the the filesystem size. Fix
it to check the combined empty space fits in the filesystem being
tested."

Otherwise the change looks good.

Reviewed-by: Dave Chinner <dchinner@...hat.com>

-- 
Dave Chinner
david@...morbit.com
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