linux-ext4 - Re: [PATCH 4/4] ext4: Fix overflow when counting used blocks on 32-bit architectures

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Message-ID: <20130531234224.GB23048@thunk.org>
Date:	Fri, 31 May 2013 19:42:24 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 4/4] ext4: Fix overflow when counting used blocks on
 32-bit architectures

On Wed, May 29, 2013 at 02:05:33PM +0200, Jan Kara wrote:
> The arithmetics adding delalloc blocks to the number of used blocks in
> ext4_getattr() can easily overflow on 32-bit archs as we first multiply
> number of blocks by blocksize and then divide back by 512. Make the
> arithmetics more clever and also use proper type (unsigned long long
> instead of unsigned long).
> 
> Signed-off-by: Jan Kara <jack@...e.cz>

I've applied these four patches to the ext4 tree, thanks!!

     	     	   		       - Ted
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