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Date: Wed, 31 Oct 2012 08:40:12 +0800
From: Liu Bo <bo.li.liu@oracle.com>
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CC: linux-btrfs <linux-btrfs@vger.kernel.org>, Jie Liu <jeff.liu@oracle.com>
Subject: Re: How to find (out if) files sharing content?
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On 10/30/2012 11:20 PM, Gábor Nyers wrote:
> Hi,
> 
> How could one find out if 2 files share any extents on a btrfs file system?
> 
> A more generic variation of the above: How to list files on the same
> file system/subvolume sharing content?
> 

Indeed ocfs2 already has the feature where you can get shared parts via 'du',
we're planning to support this in btrfs, too.

thanks,
liubo

> Thanks,
> Gábor
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